diff options
Diffstat (limited to 'arch/arm')
482 files changed, 14070 insertions, 5693 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 83e85134df64..e34bf0272da4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -7,7 +7,7 @@ config ARM select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) + select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) @@ -24,7 +24,7 @@ config ARM select HAVE_PERF_EVENTS select PERF_USE_VMALLOC select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) + select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) select HAVE_C_RECORDMCOUNT select HAVE_GENERIC_HARDIRQS select HAVE_SPARSE_IRQ @@ -63,6 +63,10 @@ config GENERIC_CLOCKEVENTS_BROADCAST depends on GENERIC_CLOCKEVENTS default y if SMP +config KTIME_SCALAR + bool + default y + config HAVE_TCM bool select GENERIC_ALLOCATOR @@ -178,11 +182,6 @@ config FIQ config ARCH_MTD_XIP bool -config ARM_L1_CACHE_SHIFT_6 - bool - help - Setting ARM L1 cache line size to 64 Bytes. - config VECTORS_BASE hex default 0xffff0000 if MMU || CPU_HIGH_VECTOR @@ -191,6 +190,22 @@ config VECTORS_BASE help The base address of exception vectors. +config ARM_PATCH_PHYS_VIRT + bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)" + depends on EXPERIMENTAL + depends on !XIP_KERNEL && MMU + depends on !ARCH_REALVIEW || !SPARSEMEM + help + Patch phys-to-virt translation functions at runtime according to + the position of the kernel in system memory. + + This can only be used with non-XIP with MMU kernels where + the base of physical memory is at a 16MB boundary. + +config ARM_PATCH_PHYS_VIRT_16BIT + def_bool y + depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -337,7 +352,7 @@ config ARCH_FOOTBRIDGE bool "FootBridge" select CPU_SA110 select FOOTBRIDGE - select ARCH_USES_GETTIMEOFFSET + select GENERIC_CLOCKEVENTS help Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. @@ -448,6 +463,7 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" + select CPU_V6K select PCI select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS @@ -855,6 +871,16 @@ config PLAT_SPEAR help Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx). +config ARCH_VT8500 + bool "VIA/WonderMedia 85xx" + select CPU_ARM926T + select GENERIC_GPIO + select ARCH_HAS_CPUFREQ + select GENERIC_CLOCKEVENTS + select ARCH_REQUIRE_GPIOLIB + select HAVE_PWM + help + Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip. endchoice # @@ -983,6 +1009,8 @@ source "arch/arm/mach-versatile/Kconfig" source "arch/arm/mach-vexpress/Kconfig" +source "arch/arm/mach-vt8500/Kconfig" + source "arch/arm/mach-w90x900/Kconfig" # Definitions to make life easier @@ -1024,7 +1052,7 @@ config XSCALE_PMU default y config CPU_HAS_PMU - depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \ + depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \ (!ARCH_OMAP3 || OMAP3_EMU) default y bool @@ -1040,7 +1068,7 @@ endif config ARM_ERRATA_411920 bool "ARM errata: Invalidation of the Instruction Cache operation can fail" - depends on CPU_V6 + depends on CPU_V6 || CPU_V6K help Invalidation of the Instruction Cache operation can fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. @@ -1116,7 +1144,7 @@ config ARM_ERRATA_742231 config PL310_ERRATA_588369 bool "Clean & Invalidate maintenance operations do not invalidate clean lines" - depends on CACHE_L2X0 && ARCH_OMAP4 + depends on CACHE_L2X0 help The PL310 L2 cache controller implements three types of Clean & Invalidate maintenance operations: by Physical Address @@ -1125,8 +1153,7 @@ config PL310_ERRATA_588369 clean operation followed immediately by an invalidate operation, both performing to the same memory location. This functionality is not correctly implemented in PL310 as clean lines are not - invalidated as a result of these operations. Note that this errata - uses Texas Instrument's secure monitor api. + invalidated as a result of these operations. config ARM_ERRATA_720789 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID" @@ -1140,6 +1167,17 @@ config ARM_ERRATA_720789 tables. The workaround changes the TLB flushing routines to invalidate entries regardless of the ASID. +config PL310_ERRATA_727915 + bool "Background Clean & Invalidate by Way operation can cause data corruption" + depends on CACHE_L2X0 + help + PL310 implements the Clean & Invalidate by Way L2 cache maintenance + operation (offset 0x7FC). This operation runs in background so that + PL310 can handle normal accesses while it is in progress. Under very + rare circumstances, due to this erratum, write data can be lost when + PL310 treats a cacheable write transaction during a Clean & + Invalidate by Way operation. + config ARM_ERRATA_743622 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" depends on CPU_V7 @@ -1153,6 +1191,53 @@ config ARM_ERRATA_743622 visible impact on the overall performance or power consumption of the processor. +config ARM_ERRATA_751472 + bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" + depends on CPU_V7 && SMP + help + This option enables the workaround for the 751472 Cortex-A9 (prior + to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the + completion of a following broadcasted operation if the second + operation is received by a CPU before the ICIALLUIS has completed, + potentially leading to corrupted entries in the cache or TLB. + +config ARM_ERRATA_753970 + bool "ARM errata: cache sync operation may be faulty" + depends on CACHE_PL310 + help + This option enables the workaround for the 753970 PL310 (r3p0) erratum. + + Under some condition the effect of cache sync operation on + the store buffer still remains when the operation completes. + This means that the store buffer is always asked to drain and + this prevents it from merging any further writes. The workaround + is to replace the normal offset of cache sync operation (0x730) + by another offset targeting an unmapped PL310 register 0x740. + This has the same effect as the cache sync operation: store buffer + drain and waiting for all buffers empty. + +config ARM_ERRATA_754322 + bool "ARM errata: possible faulty MMU translations following an ASID switch" + depends on CPU_V7 + help + This option enables the workaround for the 754322 Cortex-A9 (r2p*, + r3p*) erratum. A speculative memory access may cause a page table walk + which starts prior to an ASID switch but completes afterwards. This + can populate the micro-TLB with a stale entry which may be hit with + the new ASID. This workaround places two dsb instructions in the mm + switching code so that no page table walks can cross the ASID switch. + +config ARM_ERRATA_754327 + bool "ARM errata: no automatic Store Buffer drain" + depends on CPU_V7 && SMP + help + This option enables the workaround for the 754327 Cortex-A9 (prior to + r2p0) erratum. The Store Buffer does not have any automatic draining + mechanism and therefore a livelock may occur if an external agent + continuously polls a memory location waiting to observe an update. + This workaround defines cpu_relax() as smp_mb(), preventing correctly + written polling loops from denying visibility of updates to memory. + endmenu source "arch/arm/common/Kconfig" @@ -1226,6 +1311,7 @@ source "kernel/time/Kconfig" config SMP bool "Symmetric Multi-Processing (EXPERIMENTAL)" depends on EXPERIMENTAL + depends on CPU_V6K || CPU_V7 depends on GENERIC_CLOCKEVENTS depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ @@ -1337,7 +1423,7 @@ config HZ config THUMB2_KERNEL bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)" - depends on CPU_V7 && !CPU_V6 && EXPERIMENTAL + depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL select AEABI select ARM_ASM_UNIFIED help @@ -1347,6 +1433,37 @@ config THUMB2_KERNEL If unsure, say N. +config THUMB2_AVOID_R_ARM_THM_JUMP11 + bool "Work around buggy Thumb-2 short branch relocations in gas" + depends on THUMB2_KERNEL && MODULES + default y + help + Various binutils versions can resolve Thumb-2 branches to + locally-defined, preemptible global symbols as short-range "b.n" + branch instructions. + + This is a problem, because there's no guarantee the final + destination of the symbol, or any candidate locations for a + trampoline, are within range of the branch. For this reason, the + kernel does not support fixing up the R_ARM_THM_JUMP11 (102) + relocation in modules at all, and it makes little sense to add + support. + + The symptom is that the kernel fails with an "unsupported + relocation" error when loading some modules. + + Until fixed tools are available, passing + -fno-optimize-sibling-calls to gcc should prevent gcc generating + code which hits this problem, at the cost of a bit of extra runtime + stack usage in some cases. + + The problem is described in more detail at: + https://bugs.launchpad.net/binutils-linaro/+bug/725126 + + Only Thumb-2 kernels are affected. + + Unless you are sure your tools don't have this problem, say Y. + config ARM_ASM_UNIFIED bool @@ -1367,7 +1484,7 @@ config AEABI config OABI_COMPAT bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" - depends on AEABI && EXPERIMENTAL + depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL default y help This option preserves the old syscall interface along with the @@ -1595,6 +1712,18 @@ config ZBOOT_ROM Say Y here if you intend to execute your compressed kernel image (zImage) directly from ROM or flash. If unsure, say N. +config ZBOOT_ROM_MMCIF + bool "Include MMCIF loader in zImage (EXPERIMENTAL)" + depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL + help + Say Y here to include experimental MMCIF loading code in the + ROM-able zImage. With this enabled it is possible to write the + the ROM-able zImage kernel image to an MMC card and boot the + kernel straight from the reset vector. At reset the processor + Mask ROM will load the first part of the the ROM-able zImage + which in turn loads the rest the kernel image to RAM using the + MMCIF hardware block. + config CMDLINE string "Default kernel command string" default "" @@ -1828,7 +1957,7 @@ config FPE_FASTFPE config VFP bool "VFP-format floating point maths" - depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON + depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON help Say Y to include VFP support code in the kernel. This is needed if your hardware includes a VFP unit. diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 16d16cd6c286..5c7114bb8a25 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -15,7 +15,7 @@ ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) LDFLAGS_vmlinux += --be8 endif -OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S +OBJCOPYFLAGS :=-O binary -R .comment -S GZFLAGS :=-9 #KBUILD_CFLAGS +=-pipe # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: @@ -89,6 +89,7 @@ tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) +tune-$(CONFIG_CPU_V6K) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) ifeq ($(CONFIG_AEABI),y) CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork @@ -105,6 +106,10 @@ AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mau AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb +# Work around buggy relocation from gas if requested: +ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y) +CFLAGS_MODULE +=-fno-optimize-sibling-calls +endif endif # Need -Uarm for gcc < 3.x @@ -188,6 +193,7 @@ machine-$(CONFIG_ARCH_U300) := u300 machine-$(CONFIG_ARCH_U8500) := ux500 machine-$(CONFIG_ARCH_VERSATILE) := versatile machine-$(CONFIG_ARCH_VEXPRESS) := vexpress +machine-$(CONFIG_ARCH_VT8500) := vt8500 machine-$(CONFIG_ARCH_W90X900) := w90x900 machine-$(CONFIG_ARCH_NUC93X) := nuc93x machine-$(CONFIG_FOOTBRIDGE) := footbridge @@ -278,7 +284,7 @@ bzImage: zImage zImage Image xipImage bootpImage uImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ -zinstall install: vmlinux +zinstall uinstall install: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ # We use MRPROPER_FILES and CLEAN_FILES now @@ -299,6 +305,7 @@ define archhelp echo ' (supply initrd image via make variable INITRD=<path>)' echo ' install - Install uncompressed kernel' echo ' zinstall - Install compressed kernel' + echo ' uinstall - Install U-Boot wrapped compressed kernel' echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' echo ' (distribution) /sbin/$(INSTALLKERNEL) or' echo ' install to $$(INSTALL_PATH) and run lilo' diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 4d26f2c52a75..9128fddf1109 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -99,6 +99,10 @@ zinstall: $(obj)/zImage $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ $(obj)/zImage System.map "$(INSTALL_PATH)" +uinstall: $(obj)/uImage + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ + $(obj)/uImage System.map "$(INSTALL_PATH)" + zi: $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ $(obj)/zImage System.map "$(INSTALL_PATH)" diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore index ab204db594d3..c6028967d336 100644 --- a/arch/arm/boot/compressed/.gitignore +++ b/arch/arm/boot/compressed/.gitignore @@ -1,3 +1,7 @@ font.c -piggy.gz +lib1funcs.S +piggy.gzip +piggy.lzo +piggy.lzma +vmlinux vmlinux.lds diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 0a8f748e506a..f9f77c65dff3 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -4,9 +4,20 @@ # create a compressed vmlinuz image from the original vmlinux # +OBJS = + +# Ensure that mmcif loader code appears early in the image +# to minimise that number of bocks that have to be read in +# order to load it. +ifeq ($(CONFIG_ZBOOT_ROM_MMCIF),y) +ifeq ($(CONFIG_ARCH_SH7372),y) +OBJS += mmcif-sh7372.o +endif +endif + AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) HEAD = head.o -OBJS = misc.o decompress.o +OBJS += misc.o decompress.o FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c # @@ -29,6 +40,10 @@ ifeq ($(CONFIG_ARCH_SA1100),y) OBJS += head-sa1100.o endif +ifeq ($(CONFIG_ARCH_VT8500),y) +OBJS += head-vt8500.o +endif + ifeq ($(CONFIG_CPU_XSCALE),y) OBJS += head-xscale.o endif @@ -83,9 +98,11 @@ endif EXTRA_CFLAGS := -fpic -fno-builtin EXTRA_AFLAGS := -Wa,-march=all +# Provide size of uncompressed kernel to the decompressor via a linker symbol. +LDFLAGS_vmlinux = --defsym _image_size=$(shell stat -c "%s" $(obj)/../Image) # Supply ZRELADDR to the decompressor via a linker symbol. ifneq ($(CONFIG_AUTO_ZRELADDR),y) -LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR) +LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) endif ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) LDFLAGS_vmlinux += --be8 diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S index 30973b76e6ae..c943d2e7da9d 100644 --- a/arch/arm/boot/compressed/head-shmobile.S +++ b/arch/arm/boot/compressed/head-shmobile.S @@ -25,6 +25,36 @@ /* load board-specific initialization code */ #include <mach/zboot.h> +#ifdef CONFIG_ZBOOT_ROM_MMCIF + /* Load image from MMC */ + adr sp, __tmp_stack + 128 + ldr r0, __image_start + ldr r1, __image_end + subs r1, r1, r0 + ldr r0, __load_base + bl mmcif_loader + + /* Jump to loaded code */ + ldr r0, __loaded + ldr r1, __image_start + sub r0, r0, r1 + ldr r1, __load_base + add pc, r0, r1 + +__image_start: + .long _start +__image_end: + .long _got_end +__load_base: + .long CONFIG_MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM +__loaded: + .long __continue + .align +__tmp_stack: + .space 128 +__continue: +#endif /* CONFIG_ZBOOT_ROM_MMCIF */ + b 1f __atags:@ tag #1 .long 12 @ tag->hdr.size = tag_size(tag_core); diff --git a/arch/arm/boot/compressed/head-vt8500.S b/arch/arm/boot/compressed/head-vt8500.S new file mode 100644 index 000000000000..1dc1e21a3be3 --- /dev/null +++ b/arch/arm/boot/compressed/head-vt8500.S @@ -0,0 +1,46 @@ +/* + * linux/arch/arm/boot/compressed/head-vt8500.S + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * VIA VT8500 specific tweaks. This is merged into head.S by the linker. + * + */ + +#include <linux/linkage.h> +#include <asm/mach-types.h> + + .section ".start", "ax" + +__VT8500_start: + @ Compare the SCC ID register against a list of known values + ldr r1, .SCCID + ldr r3, [r1] + + @ VT8500 override + ldr r4, .VT8500SCC + cmp r3, r4 + ldreq r7, .ID_BV07 + beq .Lendvt8500 + + @ WM8505 override + ldr r4, .WM8505SCC + cmp r3, r4 + ldreq r7, .ID_8505 + beq .Lendvt8500 + + @ Otherwise, leave the bootloader's machine id untouched + +.SCCID: + .word 0xd8120000 +.VT8500SCC: + .word 0x34000102 +.WM8505SCC: + .word 0x34260103 + +.ID_BV07: + .word MACH_TYPE_BV07 +.ID_8505: + .word MACH_TYPE_WM8505_7IN_NETBOOK + +.Lendvt8500: diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 7193884ed8b0..84ac4d656310 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -21,7 +21,7 @@ #if defined(CONFIG_DEBUG_ICEDCC) -#ifdef CONFIG_CPU_V6 +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) .macro loadsp, rb, tmp .endm .macro writeb, ch, rb @@ -128,14 +128,14 @@ wait: mrc p14, 0, pc, c0, c1, 0 .arm @ Always enter in ARM state start: .type start,#function - THUMB( adr r12, BSYM(1f) ) - THUMB( bx r12 ) - THUMB( .rept 6 ) - ARM( .rept 8 ) + .rept 7 mov r0, r0 .endr + ARM( mov r0, r0 ) + ARM( b 1f ) + THUMB( adr r12, BSYM(1f) ) + THUMB( bx r12 ) - b 1f .word 0x016f2818 @ Magic numbers to help the loader .word start @ absolute load/run zImage address .word _edata @ zImage end address @@ -174,9 +174,7 @@ not_angel: */ .text - adr r0, LC0 - ldmia r0, {r1, r2, r3, r5, r6, r11, ip} - ldr sp, [r0, #28] + #ifdef CONFIG_AUTO_ZRELADDR @ determine final kernel image address mov r4, pc @@ -185,35 +183,108 @@ not_angel: #else ldr r4, =zreladdr #endif - subs r0, r0, r1 @ calculate the delta offset - @ if delta is zero, we are - beq not_relocated @ running at the address we - @ were linked at. + bl cache_on + +restart: adr r0, LC0 + ldmia r0, {r1, r2, r3, r5, r6, r9, r11, r12} + ldr sp, [r0, #32] + + /* + * We might be running at a different address. We need + * to fix up various pointers. + */ + sub r0, r0, r1 @ calculate the delta offset + add r5, r5, r0 @ _start + add r6, r6, r0 @ _edata +#ifndef CONFIG_ZBOOT_ROM + /* malloc space is above the relocated stack (64k max) */ + add sp, sp, r0 + add r10, sp, #0x10000 +#else /* - * We're running at a different address. We need to fix - * up various pointers: - * r5 - zImage base address (_start) - * r6 - size of decompressed image - * r11 - GOT start - * ip - GOT end + * With ZBOOT_ROM the bss/stack is non relocatable, + * but someone could still run this code from RAM, + * in which case our reference is _edata. */ - add r5, r5, r0 + mov r10, r6 +#endif + +/* + * Check to see if we will overwrite ourselves. + * r4 = final kernel address + * r5 = start of this image + * r9 = size of decompressed image + * r10 = end of this image, including bss/stack/malloc space if non XIP + * We basically want: + * r4 >= r10 -> OK + * r4 + image length <= r5 -> OK + */ + cmp r4, r10 + bhs wont_overwrite + add r10, r4, r9 + cmp r10, r5 + bls wont_overwrite + +/* + * Relocate ourselves past the end of the decompressed kernel. + * r5 = start of this image + * r6 = _edata + * r10 = end of the decompressed kernel + * Because we always copy ahead, we need to do it from the end and go + * backward in case the source and destination overlap. + */ + /* Round up to next 256-byte boundary. */ + add r10, r10, #256 + bic r10, r10, #255 + + sub r9, r6, r5 @ size to copy + add r9, r9, #31 @ rounded up to a multiple + bic r9, r9, #31 @ ... of 32 bytes + add r6, r9, r5 + add r9, r9, r10 + +1: ldmdb r6!, {r0 - r3, r10 - r12, lr} + cmp r6, r5 + stmdb r9!, {r0 - r3, r10 - r12, lr} + bhi 1b + + /* Preserve offset to relocated code. */ + sub r6, r9, r6 + + bl cache_clean_flush + + adr r0, BSYM(restart) + add r0, r0, r6 + mov pc, r0 + +wont_overwrite: +/* + * If delta is zero, we are running at the address we were linked at. + * r0 = delta + * r2 = BSS start + * r3 = BSS end + * r4 = kernel execution address + * r7 = architecture ID + * r8 = atags pointer + * r11 = GOT start + * r12 = GOT end + * sp = stack pointer + */ + teq r0, #0 + beq not_relocated add r11, r11, r0 - add ip, ip, r0 + add r12, r12, r0 #ifndef CONFIG_ZBOOT_ROM /* * If we're running fully PIC === CONFIG_ZBOOT_ROM = n, * we need to fix up pointers into the BSS region. - * r2 - BSS start - * r3 - BSS end - * sp - stack pointer + * Note that the stack pointer has already been fixed up. */ add r2, r2, r0 add r3, r3, r0 - add sp, sp, r0 /* * Relocate all entries in the GOT table. @@ -221,7 +292,7 @@ not_angel: 1: ldr r1, [r11, #0] @ relocate entries in the GOT add r1, r1, r0 @ table. This fixes up the str r1, [r11], #4 @ C references. - cmp r11, ip + cmp r11, r12 blo 1b #else @@ -234,7 +305,7 @@ not_angel: cmphs r3, r1 @ _end < entry addlo r1, r1, r0 @ table. This fixes up the str r1, [r11], #4 @ C references. - cmp r11, ip + cmp r11, r12 blo 1b #endif @@ -246,76 +317,24 @@ not_relocated: mov r0, #0 cmp r2, r3 blo 1b - /* - * The C runtime environment should now be setup - * sufficiently. Turn the cache on, set up some - * pointers, and start decompressing. - */ - bl cache_on - - mov r1, sp @ malloc space above stack - add r2, sp, #0x10000 @ 64k max - /* - * Check to see if we will overwrite ourselves. - * r4 = final kernel address - * r5 = start of this image - * r6 = size of decompressed image - * r2 = end of malloc space (and therefore this image) - * We basically want: - * r4 >= r2 -> OK - * r4 + image length <= r5 -> OK + * The C runtime environment should now be setup sufficiently. + * Set up some pointers, and start decompressing. + * r4 = kernel execution address + * r7 = architecture ID + * r8 = atags pointer */ - cmp r4, r2 - bhs wont_overwrite - add r0, r4, r6 - cmp r0, r5 - bls wont_overwrite - - mov r5, r2 @ decompress after malloc space - mov r0, r5 + mov r0, r4 + mov r1, sp @ malloc space above stack + add r2, sp, #0x10000 @ 64k max mov r3, r7 bl decompress_kernel - - add r0, r0, #127 + 128 @ alignment + stack - bic r0, r0, #127 @ align the kernel length -/* - * r0 = decompressed kernel length - * r1-r3 = unused - * r4 = kernel execution address - * r5 = decompressed kernel start - * r7 = architecture ID - * r8 = atags pointer - * r9-r12,r14 = corrupted - */ - add r1, r5, r0 @ end of decompressed kernel - adr r2, reloc_start - ldr r3, LC1 - add r3, r2, r3 -1: ldmia r2!, {r9 - r12, r14} @ copy relocation code - stmia r1!, {r9 - r12, r14} - ldmia r2!, {r9 - r12, r14} - stmia r1!, {r9 - r12, r14} - cmp r2, r3 - blo 1b - mov sp, r1 - add sp, sp, #128 @ relocate the stack - bl cache_clean_flush - ARM( add pc, r5, r0 ) @ call relocation code - THUMB( add r12, r5, r0 ) - THUMB( mov pc, r12 ) @ call relocation code - -/* - * We're not in danger of overwriting ourselves. Do this the simple way. - * - * r4 = kernel execution address - * r7 = architecture ID - */ -wont_overwrite: mov r0, r4 - mov r3, r7 - bl decompress_kernel - b call_kernel + bl cache_off + mov r0, #0 @ must be zero + mov r1, r7 @ restore architecture number + mov r2, r8 @ restore atags pointer + mov pc, r4 @ call kernel .align 2 .type LC0, #object @@ -323,11 +342,11 @@ LC0: .word LC0 @ r1 .word __bss_start @ r2 .word _end @ r3 .word _start @ r5 - .word _image_size @ r6 + .word _edata @ r6 + .word _image_size @ r9 .word _got_start @ r11 .word _got_end @ ip .word user_stack_end @ sp -LC1: .word reloc_end - reloc_start .size LC0, . - LC0 #ifdef CONFIG_ARCH_RPC @@ -353,7 +372,7 @@ params: ldr r0, =0x10000100 @ params_phys for RPC * On exit, * r0, r1, r2, r3, r9, r10, r12 corrupted * This routine must preserve: - * r4, r5, r6, r7, r8 + * r4, r7, r8 */ .align 5 cache_on: mov r3, #8 @ cache_on function @@ -551,43 +570,6 @@ __common_mmu_cache_on: #endif /* - * All code following this line is relocatable. It is relocated by - * the above code to the end of the decompressed kernel image and - * executed there. During this time, we have no stacks. - * - * r0 = decompressed kernel length - * r1-r3 = unused - * r4 = kernel execution address - * r5 = decompressed kernel start - * r7 = architecture ID - * r8 = atags pointer - * r9-r12,r14 = corrupted - */ - .align 5 -reloc_start: add r9, r5, r0 - sub r9, r9, #128 @ do not copy the stack - debug_reloc_start - mov r1, r4 -1: - .rept 4 - ldmia r5!, {r0, r2, r3, r10 - r12, r14} @ relocate kernel - stmia r1!, {r0, r2, r3, r10 - r12, r14} - .endr - - cmp r5, r9 - blo 1b - mov sp, r1 - add sp, sp, #128 @ relocate the stack - debug_reloc_end - -call_kernel: bl cache_clean_flush - bl cache_off - mov r0, #0 @ must be zero - mov r1, r7 @ restore architecture number - mov r2, r8 @ restore atags pointer - mov pc, r4 @ call kernel - -/* * Here follow the relocatable cache support functions for the * various processors. This is a generic hook for locating an * entry and jumping to an instruction at the specified offset @@ -791,7 +773,7 @@ proc_types: * On exit, * r0, r1, r2, r3, r9, r12 corrupted * This routine must preserve: - * r4, r6, r7 + * r4, r7, r8 */ .align 5 cache_off: mov r3, #12 @ cache_off function @@ -866,7 +848,7 @@ __armv3_mmu_cache_off: * On exit, * r1, r2, r3, r9, r10, r11, r12 corrupted * This routine must preserve: - * r0, r4, r5, r6, r7 + * r4, r6, r7, r8 */ .align 5 cache_clean_flush: @@ -1088,7 +1070,6 @@ memdump: mov r12, r0 #endif .ltorg -reloc_end: .align .section ".stack", "aw", %nobits diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index e653a6d3c8d9..4657e877bf8f 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -36,7 +36,7 @@ extern void error(char *x); #ifdef CONFIG_DEBUG_ICEDCC -#ifdef CONFIG_CPU_V6 +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) static void icedcc_putc(int ch) { diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c new file mode 100644 index 000000000000..e6180af241f6 --- /dev/null +++ b/arch/arm/boot/compressed/mmcif-sh7372.c @@ -0,0 +1,87 @@ +/* + * sh7372 MMCIF loader + * + * Copyright (C) 2010 Magnus Damm + * Copyright (C) 2010 Simon Horman + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/mmc/sh_mmcif.h> +#include <mach/mmcif.h> + +#define MMCIF_BASE (void __iomem *)0xe6bd0000 + +#define PORT84CR (void __iomem *)0xe6050054 +#define PORT85CR (void __iomem *)0xe6050055 +#define PORT86CR (void __iomem *)0xe6050056 +#define PORT87CR (void __iomem *)0xe6050057 +#define PORT88CR (void __iomem *)0xe6050058 +#define PORT89CR (void __iomem *)0xe6050059 +#define PORT90CR (void __iomem *)0xe605005a +#define PORT91CR (void __iomem *)0xe605005b +#define PORT92CR (void __iomem *)0xe605005c +#define PORT99CR (void __iomem *)0xe6050063 + +#define SMSTPCR3 (void __iomem *)0xe615013c + +/* SH7372 specific MMCIF loader + * + * loads the zImage from an MMC card starting from block 1. + * + * The image must be start with a vrl4 header and + * the zImage must start at offset 512 of the image. That is, + * at block 2 (=byte 1024) on the media + * + * Use the following line to write the vrl4 formated zImage + * to an MMC card + * # dd if=vrl4.out of=/dev/sdx bs=512 seek=1 + */ +asmlinkage void mmcif_loader(unsigned char *buf, unsigned long len) +{ + mmcif_init_progress(); + mmcif_update_progress(MMCIF_PROGRESS_ENTER); + + /* Initialise MMC + * registers: PORT84CR-PORT92CR + * (MMCD0_0-MMCD0_7,MMCCMD0 Control) + * value: 0x04 - select function 4 + */ + __raw_writeb(0x04, PORT84CR); + __raw_writeb(0x04, PORT85CR); + __raw_writeb(0x04, PORT86CR); + __raw_writeb(0x04, PORT87CR); + __raw_writeb(0x04, PORT88CR); + __raw_writeb(0x04, PORT89CR); + __raw_writeb(0x04, PORT90CR); + __raw_writeb(0x04, PORT91CR); + __raw_writeb(0x04, PORT92CR); + + /* Initialise MMC + * registers: PORT99CR (MMCCLK0 Control) + * value: 0x10 | 0x04 - enable output | select function 4 + */ + __raw_writeb(0x14, PORT99CR); + + /* Enable clock to MMC hardware block */ + __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 12), SMSTPCR3); + + mmcif_update_progress(MMCIF_PROGRESS_INIT); + + /* setup MMCIF hardware */ + sh_mmcif_boot_init(MMCIF_BASE); + + mmcif_update_progress(MMCIF_PROGRESS_LOAD); + + /* load kernel via MMCIF interface */ + sh_mmcif_boot_do_read(MMCIF_BASE, 2, /* Kernel is at block 2 */ + (len + SH_MMCIF_BBS - 1) / SH_MMCIF_BBS, buf); + + + /* Disable clock to MMC hardware block */ + __raw_writel(__raw_readl(SMSTPCR3) & (1 << 12), SMSTPCR3); + + mmcif_update_progress(MMCIF_PROGRESS_DONE); +} diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index 366a924019ac..5309909d7282 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -43,9 +43,6 @@ SECTIONS _etext = .; - /* Assume size of decompressed image is 4x the compressed image */ - _image_size = (_etext - _text) * 4; - _got_start = .; .got : { *(.got) } _got_end = .; diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 778655f0257a..ea5ee4d067f3 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -6,6 +6,8 @@ config ARM_VIC config ARM_VIC_NR int + default 4 if ARCH_S5PV210 + default 3 if ARCH_S5P6442 || ARCH_S5PC100 default 2 depends on ARM_VIC help diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 224377211151..cb6b041c39d2 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -44,6 +44,19 @@ struct gic_chip_data { void __iomem *cpu_base; }; +/* + * Supported arch specific GIC irq extension. + * Default make them NULL. + */ +struct irq_chip gic_arch_extn = { + .irq_ack = NULL, + .irq_mask = NULL, + .irq_unmask = NULL, + .irq_retrigger = NULL, + .irq_set_type = NULL, + .irq_set_wake = NULL, +}; + #ifndef MAX_GIC_NR #define MAX_GIC_NR 1 #endif @@ -74,6 +87,8 @@ static inline unsigned int gic_irq(struct irq_data *d) static void gic_ack_irq(struct irq_data *d) { spin_lock(&irq_controller_lock); + if (gic_arch_extn.irq_ack) + gic_arch_extn.irq_ack(d); writel(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI); spin_unlock(&irq_controller_lock); } @@ -84,6 +99,8 @@ static void gic_mask_irq(struct irq_data *d) spin_lock(&irq_controller_lock); writel(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4); + if (gic_arch_extn.irq_mask) + gic_arch_extn.irq_mask(d); spin_unlock(&irq_controller_lock); } @@ -92,6 +109,8 @@ static void gic_unmask_irq(struct irq_data *d) u32 mask = 1 << (d->irq % 32); spin_lock(&irq_controller_lock); + if (gic_arch_extn.irq_unmask) + gic_arch_extn.irq_unmask(d); writel(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4); spin_unlock(&irq_controller_lock); } @@ -116,6 +135,9 @@ static int gic_set_type(struct irq_data *d, unsigned int type) spin_lock(&irq_controller_lock); + if (gic_arch_extn.irq_set_type) + gic_arch_extn.irq_set_type(d, type); + val = readl(base + GIC_DIST_CONFIG + confoff); if (type == IRQ_TYPE_LEVEL_HIGH) val &= ~confmask; @@ -141,32 +163,54 @@ static int gic_set_type(struct irq_data *d, unsigned int type) return 0; } +static int gic_retrigger(struct irq_data *d) +{ + if (gic_arch_extn.irq_retrigger) + return gic_arch_extn.irq_retrigger(d); + + return -ENXIO; +} + #ifdef CONFIG_SMP -static int -gic_set_cpu(struct irq_data *d, const struct cpumask *mask_val, bool force) +static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, + bool force) { void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); unsigned int shift = (d->irq % 4) * 8; unsigned int cpu = cpumask_first(mask_val); - u32 val; - struct irq_desc *desc; + u32 val, mask, bit; - spin_lock(&irq_controller_lock); - desc = irq_to_desc(d->irq); - if (desc == NULL) { - spin_unlock(&irq_controller_lock); + if (cpu >= 8) return -EINVAL; - } + + mask = 0xff << shift; + bit = 1 << (cpu + shift); + + spin_lock(&irq_controller_lock); d->node = cpu; - val = readl(reg) & ~(0xff << shift); - val |= 1 << (cpu + shift); - writel(val, reg); + val = readl(reg) & ~mask; + writel(val | bit, reg); spin_unlock(&irq_controller_lock); return 0; } #endif +#ifdef CONFIG_PM +static int gic_set_wake(struct irq_data *d, unsigned int on) +{ + int ret = -ENXIO; + + if (gic_arch_extn.irq_set_wake) + ret = gic_arch_extn.irq_set_wake(d, on); + + return ret; +} + +#else +#define gic_set_wake NULL +#endif + static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) { struct gic_chip_data *chip_data = get_irq_data(irq); @@ -202,9 +246,11 @@ static struct irq_chip gic_chip = { .irq_mask = gic_mask_irq, .irq_unmask = gic_unmask_irq, .irq_set_type = gic_set_type, + .irq_retrigger = gic_retrigger, #ifdef CONFIG_SMP - .irq_set_affinity = gic_set_cpu, + .irq_set_affinity = gic_set_affinity, #endif + .irq_set_wake = gic_set_wake, }; void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig new file mode 100644 index 000000000000..7a9267e5da55 --- /dev/null +++ b/arch/arm/configs/tegra_defconfig @@ -0,0 +1,123 @@ +CONFIG_EXPERIMENTAL=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_CGROUPS=y +CONFIG_CGROUP_DEBUG=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_CGROUP_SCHED=y +CONFIG_RT_GROUP_SCHED=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EMBEDDED=y +# CONFIG_SYSCTL_SYSCALL is not set +# CONFIG_ELF_CORE is not set +CONFIG_SLAB=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_ARCH_TEGRA=y +CONFIG_MACH_HARMONY=y +CONFIG_TEGRA_DEBUG_UARTD=y +CONFIG_ARM_ERRATA_742230=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_SMP=y +CONFIG_NR_CPUS=2 +CONFIG_PREEMPT=y +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +CONFIG_HIGHMEM=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_VFP=y +CONFIG_PM=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_NET_KEY=y +CONFIG_INET=y +CONFIG_INET_ESP=y +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +CONFIG_IPV6=y +CONFIG_IPV6_PRIVACY=y +CONFIG_IPV6_ROUTER_PREF=y +CONFIG_IPV6_OPTIMISTIC_DAD=y +CONFIG_INET6_AH=y +CONFIG_INET6_ESP=y +CONFIG_INET6_IPCOMP=y +CONFIG_IPV6_MIP6=y +CONFIG_IPV6_TUNNEL=y +CONFIG_IPV6_MULTIPLE_TABLES=y +# CONFIG_WIRELESS is not set +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_MISC_DEVICES=y +CONFIG_AD525X_DPOT=y +CONFIG_AD525X_DPOT_I2C=y +CONFIG_ICS932S401=y +CONFIG_APDS9802ALS=y +CONFIG_ISL29003=y +CONFIG_NETDEVICES=y +CONFIG_DUMMY=y +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +# CONFIG_WLAN is not set +# CONFIG_INPUT is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_HW_RANDOM is not set +CONFIG_I2C=y +# CONFIG_HWMON is not set +# CONFIG_MFD_SUPPORT is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_MMC=y +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_DNOTIFY is not set +CONFIG_VFAT_FS=y +CONFIG_TMPFS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ISO8859_1=y +CONFIG_PRINTK_TIME=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_FS=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +CONFIG_DEBUG_SLAB=y +# CONFIG_DEBUG_PREEMPT is not set +CONFIG_DEBUG_MUTEXES=y +CONFIG_DEBUG_SPINLOCK_SLEEP=y +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_VM=y +CONFIG_DEBUG_SG=y +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +CONFIG_DEBUG_LL=y +CONFIG_EARLY_PRINTK=y +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_AES=y +CONFIG_CRYPTO_ARC4=y +CONFIG_CRYPTO_TWOFISH=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRC_CCITT=y +CONFIG_CRC16=y diff --git a/arch/arm/include/asm/a.out-core.h b/arch/arm/include/asm/a.out-core.h index 93d04acaa31f..92f10cb5c70c 100644 --- a/arch/arm/include/asm/a.out-core.h +++ b/arch/arm/include/asm/a.out-core.h @@ -32,11 +32,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) dump->u_dsize = (tsk->mm->brk - tsk->mm->start_data + PAGE_SIZE - 1) >> PAGE_SHIFT; dump->u_ssize = 0; - dump->u_debugreg[0] = tsk->thread.debug.bp[0].address; - dump->u_debugreg[1] = tsk->thread.debug.bp[1].address; - dump->u_debugreg[2] = tsk->thread.debug.bp[0].insn.arm; - dump->u_debugreg[3] = tsk->thread.debug.bp[1].insn.arm; - dump->u_debugreg[4] = tsk->thread.debug.nsaved; + memset(dump->u_debugreg, 0, sizeof(dump->u_debugreg)); if (dump->start_stack < 0x04000000) dump->u_ssize = (0x04000000 - dump->start_stack) >> PAGE_SHIFT; diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index 7b1bb2bbaf88..af54ed102f5f 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -149,14 +149,18 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) */ /* + * Native endian assembly bitops. nr = 0 -> word 0 bit 0. + */ +extern void _set_bit(int nr, volatile unsigned long * p); +extern void _clear_bit(int nr, volatile unsigned long * p); +extern void _change_bit(int nr, volatile unsigned long * p); +extern int _test_and_set_bit(int nr, volatile unsigned long * p); +extern int _test_and_clear_bit(int nr, volatile unsigned long * p); +extern int _test_and_change_bit(int nr, volatile unsigned long * p); + +/* * Little endian assembly bitops. nr = 0 -> byte 0 bit 0. */ -extern void _set_bit_le(int nr, volatile unsigned long * p); -extern void _clear_bit_le(int nr, volatile unsigned long * p); -extern void _change_bit_le(int nr, volatile unsigned long * p); -extern int _test_and_set_bit_le(int nr, volatile unsigned long * p); -extern int _test_and_clear_bit_le(int nr, volatile unsigned long * p); -extern int _test_and_change_bit_le(int nr, volatile unsigned long * p); extern int _find_first_zero_bit_le(const void * p, unsigned size); extern int _find_next_zero_bit_le(const void * p, int size, int offset); extern int _find_first_bit_le(const unsigned long *p, unsigned size); @@ -165,12 +169,6 @@ extern int _find_next_bit_le(const unsigned long *p, int size, int offset); /* * Big endian assembly bitops. nr = 0 -> byte 3 bit 0. */ -extern void _set_bit_be(int nr, volatile unsigned long * p); -extern void _clear_bit_be(int nr, volatile unsigned long * p); -extern void _change_bit_be(int nr, volatile unsigned long * p); -extern int _test_and_set_bit_be(int nr, volatile unsigned long * p); -extern int _test_and_clear_bit_be(int nr, volatile unsigned long * p); -extern int _test_and_change_bit_be(int nr, volatile unsigned long * p); extern int _find_first_zero_bit_be(const void * p, unsigned size); extern int _find_next_zero_bit_be(const void * p, int size, int offset); extern int _find_first_bit_be(const unsigned long *p, unsigned size); @@ -180,33 +178,26 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); /* * The __* form of bitops are non-atomic and may be reordered. */ -#define ATOMIC_BITOP_LE(name,nr,p) \ - (__builtin_constant_p(nr) ? \ - ____atomic_##name(nr, p) : \ - _##name##_le(nr,p)) - -#define ATOMIC_BITOP_BE(name,nr,p) \ - (__builtin_constant_p(nr) ? \ - ____atomic_##name(nr, p) : \ - _##name##_be(nr,p)) +#define ATOMIC_BITOP(name,nr,p) \ + (__builtin_constant_p(nr) ? ____atomic_##name(nr, p) : _##name(nr,p)) #else -#define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p) -#define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p) +#define ATOMIC_BITOP(name,nr,p) _##name(nr,p) #endif -#define NONATOMIC_BITOP(name,nr,p) \ - (____nonatomic_##name(nr, p)) +/* + * Native endian atomic definitions. + */ +#define set_bit(nr,p) ATOMIC_BITOP(set_bit,nr,p) +#define clear_bit(nr,p) ATOMIC_BITOP(clear_bit,nr,p) +#define change_bit(nr,p) ATOMIC_BITOP(change_bit,nr,p) +#define test_and_set_bit(nr,p) ATOMIC_BITOP(test_and_set_bit,nr,p) +#define test_and_clear_bit(nr,p) ATOMIC_BITOP(test_and_clear_bit,nr,p) +#define test_and_change_bit(nr,p) ATOMIC_BITOP(test_and_change_bit,nr,p) #ifndef __ARMEB__ /* * These are the little endian, atomic definitions. */ -#define set_bit(nr,p) ATOMIC_BITOP_LE(set_bit,nr,p) -#define clear_bit(nr,p) ATOMIC_BITOP_LE(clear_bit,nr,p) -#define change_bit(nr,p) ATOMIC_BITOP_LE(change_bit,nr,p) -#define test_and_set_bit(nr,p) ATOMIC_BITOP_LE(test_and_set_bit,nr,p) -#define test_and_clear_bit(nr,p) ATOMIC_BITOP_LE(test_and_clear_bit,nr,p) -#define test_and_change_bit(nr,p) ATOMIC_BITOP_LE(test_and_change_bit,nr,p) #define find_first_zero_bit(p,sz) _find_first_zero_bit_le(p,sz) #define find_next_zero_bit(p,sz,off) _find_next_zero_bit_le(p,sz,off) #define find_first_bit(p,sz) _find_first_bit_le(p,sz) @@ -215,16 +206,9 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); #define WORD_BITOFF_TO_LE(x) ((x)) #else - /* * These are the big endian, atomic definitions. */ -#define set_bit(nr,p) ATOMIC_BITOP_BE(set_bit,nr,p) -#define clear_bit(nr,p) ATOMIC_BITOP_BE(clear_bit,nr,p) -#define change_bit(nr,p) ATOMIC_BITOP_BE(change_bit,nr,p) -#define test_and_set_bit(nr,p) ATOMIC_BITOP_BE(test_and_set_bit,nr,p) -#define test_and_clear_bit(nr,p) ATOMIC_BITOP_BE(test_and_clear_bit,nr,p) -#define test_and_change_bit(nr,p) ATOMIC_BITOP_BE(test_and_change_bit,nr,p) #define find_first_zero_bit(p,sz) _find_first_zero_bit_be(p,sz) #define find_next_zero_bit(p,sz,off) _find_next_zero_bit_be(p,sz,off) #define find_first_bit(p,sz) _find_first_bit_be(p,sz) diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 3acd8fa25e34..d5d8d5c72682 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -12,7 +12,7 @@ #include <linux/mm.h> -#include <asm/glue.h> +#include <asm/glue-cache.h> #include <asm/shmparam.h> #include <asm/cachetype.h> #include <asm/outercache.h> @@ -20,123 +20,6 @@ #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) /* - * Cache Model - * =========== - */ -#undef _CACHE -#undef MULTI_CACHE - -#if defined(CONFIG_CPU_CACHE_V3) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE v3 -# endif -#endif - -#if defined(CONFIG_CPU_CACHE_V4) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE v4 -# endif -#endif - -#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \ - defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \ - defined(CONFIG_CPU_ARM1026) -# define MULTI_CACHE 1 -#endif - -#if defined(CONFIG_CPU_FA526) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE fa -# endif -#endif - -#if defined(CONFIG_CPU_ARM926T) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE arm926 -# endif -#endif - -#if defined(CONFIG_CPU_ARM940T) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE arm940 -# endif -#endif - -#if defined(CONFIG_CPU_ARM946E) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE arm946 -# endif -#endif - -#if defined(CONFIG_CPU_CACHE_V4WB) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE v4wb -# endif -#endif - -#if defined(CONFIG_CPU_XSCALE) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE xscale -# endif -#endif - -#if defined(CONFIG_CPU_XSC3) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE xsc3 -# endif -#endif - -#if defined(CONFIG_CPU_MOHAWK) -# ifdef _CACHE -# define MULTI_CACHE 1 -# else -# define _CACHE mohawk -# endif -#endif - -#if defined(CONFIG_CPU_FEROCEON) -# define MULTI_CACHE 1 -#endif - -#if defined(CONFIG_CPU_V6) -//# ifdef _CACHE -# define MULTI_CACHE 1 -//# else -//# define _CACHE v6 -//# endif -#endif - -#if defined(CONFIG_CPU_V7) -//# ifdef _CACHE -# define MULTI_CACHE 1 -//# else -//# define _CACHE v7 -//# endif -#endif - -#if !defined(_CACHE) && !defined(MULTI_CACHE) -#error Unknown cache maintainence model -#endif - -/* * This flag is used to indicate that the page pointed to by a pte is clean * and does not require cleaning before returning it to the user. */ @@ -249,19 +132,11 @@ extern struct cpu_cache_fns cpu_cache; * visible to the CPU. */ #define dmac_map_area cpu_cache.dma_map_area -#define dmac_unmap_area cpu_cache.dma_unmap_area +#define dmac_unmap_area cpu_cache.dma_unmap_area #define dmac_flush_range cpu_cache.dma_flush_range #else -#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) -#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) -#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) -#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) -#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) -#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) -#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area) - extern void __cpuc_flush_icache_all(void); extern void __cpuc_flush_kern_all(void); extern void __cpuc_flush_user_all(void); @@ -276,10 +151,6 @@ extern void __cpuc_flush_dcache_area(void *, size_t); * is visible to DMA, or data written by DMA to system memory is * visible to the CPU. */ -#define dmac_map_area __glue(_CACHE,_dma_map_area) -#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area) -#define dmac_flush_range __glue(_CACHE,_dma_flush_range) - extern void dmac_map_area(const void *, size_t, int); extern void dmac_unmap_area(const void *, size_t, int); extern void dmac_flush_range(const void *, const void *); @@ -316,7 +187,8 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *, * Optimized __flush_icache_all for the common cases. Note that UP ARMv7 * will fall through to use __flush_icache_all_generic. */ -#if (defined(CONFIG_CPU_V7) && defined(CONFIG_CPU_V6)) || \ +#if (defined(CONFIG_CPU_V7) && \ + (defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K))) || \ defined(CONFIG_SMP_ON_UP) #define __flush_icache_preferred __cpuc_flush_icache_all #elif __LINUX_ARM_ARCH__ >= 7 && defined(CONFIG_SMP) diff --git a/arch/arm/include/asm/cpu-multi32.h b/arch/arm/include/asm/cpu-multi32.h deleted file mode 100644 index e2b5b0b2116a..000000000000 --- a/arch/arm/include/asm/cpu-multi32.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * arch/arm/include/asm/cpu-multi32.h - * - * Copyright (C) 2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <asm/page.h> - -struct mm_struct; - -/* - * Don't change this structure - ASM code - * relies on it. - */ -extern struct processor { - /* MISC - * get data abort address/flags - */ - void (*_data_abort)(unsigned long pc); - /* - * Retrieve prefetch fault address - */ - unsigned long (*_prefetch_abort)(unsigned long lr); - /* - * Set up any processor specifics - */ - void (*_proc_init)(void); - /* - * Disable any processor specifics - */ - void (*_proc_fin)(void); - /* - * Special stuff for a reset - */ - void (*reset)(unsigned long addr) __attribute__((noreturn)); - /* - * Idle the processor - */ - int (*_do_idle)(void); - /* - * Processor architecture specific - */ - /* - * clean a virtual address range from the - * D-cache without flushing the cache. - */ - void (*dcache_clean_area)(void *addr, int size); - - /* - * Set the page table - */ - void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm); - /* - * Set a possibly extended PTE. Non-extended PTEs should - * ignore 'ext'. - */ - void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); -} processor; - -#define cpu_proc_init() processor._proc_init() -#define cpu_proc_fin() processor._proc_fin() -#define cpu_reset(addr) processor.reset(addr) -#define cpu_do_idle() processor._do_idle() -#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz) -#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) -#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) diff --git a/arch/arm/include/asm/cpu-single.h b/arch/arm/include/asm/cpu-single.h deleted file mode 100644 index f073a6d2a406..000000000000 --- a/arch/arm/include/asm/cpu-single.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * arch/arm/include/asm/cpu-single.h - * - * Copyright (C) 2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -/* - * Single CPU - */ -#ifdef __STDC__ -#define __catify_fn(name,x) name##x -#else -#define __catify_fn(name,x) name/**/x -#endif -#define __cpu_fn(name,x) __catify_fn(name,x) - -/* - * If we are supporting multiple CPUs, then we must use a table of - * function pointers for this lot. Otherwise, we can optimise the - * table away. - */ -#define cpu_proc_init __cpu_fn(CPU_NAME,_proc_init) -#define cpu_proc_fin __cpu_fn(CPU_NAME,_proc_fin) -#define cpu_reset __cpu_fn(CPU_NAME,_reset) -#define cpu_do_idle __cpu_fn(CPU_NAME,_do_idle) -#define cpu_dcache_clean_area __cpu_fn(CPU_NAME,_dcache_clean_area) -#define cpu_do_switch_mm __cpu_fn(CPU_NAME,_switch_mm) -#define cpu_set_pte_ext __cpu_fn(CPU_NAME,_set_pte_ext) - -#include <asm/page.h> - -struct mm_struct; - -/* declare all the functions as extern */ -extern void cpu_proc_init(void); -extern void cpu_proc_fin(void); -extern int cpu_do_idle(void); -extern void cpu_dcache_clean_area(void *, int); -extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); -extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); -extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 20ae96cc0020..ed5bc9e05a4e 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -23,6 +23,8 @@ #define CPUID_EXT_ISAR4 "c2, 4" #define CPUID_EXT_ISAR5 "c2, 5" +extern unsigned int processor_id; + #ifdef CONFIG_CPU_CP15 #define read_cpuid(reg) \ ({ \ @@ -43,7 +45,6 @@ __val; \ }) #else -extern unsigned int processor_id; #define read_cpuid(reg) (processor_id) #define read_cpuid_ext(reg) 0 #endif diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h new file mode 100644 index 000000000000..de5354746924 --- /dev/null +++ b/arch/arm/include/asm/fncpy.h @@ -0,0 +1,94 @@ +/* + * arch/arm/include/asm/fncpy.h - helper macros for function body copying + * + * Copyright (C) 2011 Linaro Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * These macros are intended for use when there is a need to copy a low-level + * function body into special memory. + * + * For example, when reconfiguring the SDRAM controller, the code doing the + * reconfiguration may need to run from SRAM. + * + * NOTE: that the copied function body must be entirely self-contained and + * position-independent in order for this to work properly. + * + * NOTE: in order for embedded literals and data to get referenced correctly, + * the alignment of functions must be preserved when copying. To ensure this, + * the source and destination addresses for fncpy() must be aligned to a + * multiple of 8 bytes: you will be get a BUG() if this condition is not met. + * You will typically need a ".align 3" directive in the assembler where the + * function to be copied is defined, and ensure that your allocator for the + * destination buffer returns 8-byte-aligned pointers. + * + * Typical usage example: + * + * extern int f(args); + * extern uint32_t size_of_f; + * int (*copied_f)(args); + * void *sram_buffer; + * + * copied_f = fncpy(sram_buffer, &f, size_of_f); + * + * ... later, call the function: ... + * + * copied_f(args); + * + * The size of the function to be copied can't be determined from C: + * this must be determined by other means, such as adding assmbler directives + * in the file where f is defined. + */ + +#ifndef __ASM_FNCPY_H +#define __ASM_FNCPY_H + +#include <linux/types.h> +#include <linux/string.h> + +#include <asm/bug.h> +#include <asm/cacheflush.h> + +/* + * Minimum alignment requirement for the source and destination addresses + * for function copying. + */ +#define FNCPY_ALIGN 8 + +#define fncpy(dest_buf, funcp, size) ({ \ + uintptr_t __funcp_address; \ + typeof(funcp) __result; \ + \ + asm("" : "=r" (__funcp_address) : "0" (funcp)); \ + \ + /* \ + * Ensure alignment of source and destination addresses, \ + * disregarding the function's Thumb bit: \ + */ \ + BUG_ON((uintptr_t)(dest_buf) & (FNCPY_ALIGN - 1) || \ + (__funcp_address & ~(uintptr_t)1 & (FNCPY_ALIGN - 1))); \ + \ + memcpy(dest_buf, (void const *)(__funcp_address & ~1), size); \ + flush_icache_range((unsigned long)(dest_buf), \ + (unsigned long)(dest_buf) + (size)); \ + \ + asm("" : "=r" (__result) \ + : "0" ((uintptr_t)(dest_buf) | (__funcp_address & 1))); \ + \ + __result; \ +}) + +#endif /* !__ASM_FNCPY_H */ diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h index b33fe7065b38..199a6b6de7f4 100644 --- a/arch/arm/include/asm/futex.h +++ b/arch/arm/include/asm/futex.h @@ -35,7 +35,7 @@ : "cc", "memory") static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -46,7 +46,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); /* implies preempt_disable() */ @@ -88,36 +88,35 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int val; + int ret = 0; + u32 val; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; - pagefault_disable(); /* implies preempt_disable() */ - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " T(ldr) " %0, [%3]\n" - " teq %0, %1\n" + "1: " T(ldr) " %1, [%4]\n" + " teq %1, %2\n" " it eq @ explicit IT needed for the 2b label\n" - "2: " T(streq) " %2, [%3]\n" + "2: " T(streq) " %3, [%4]\n" "3:\n" " .pushsection __ex_table,\"a\"\n" " .align 3\n" " .long 1b, 4f, 2b, 4f\n" " .popsection\n" " .pushsection .fixup,\"ax\"\n" - "4: mov %0, %4\n" + "4: mov %0, %5\n" " b 3b\n" " .popsection" - : "=&r" (val) + : "+r" (ret), "=&r" (val) : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) : "cc", "memory"); - pagefault_enable(); /* subsumes preempt_enable() */ - - return val; + *uval = val; + return ret; } #endif /* !SMP */ diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h new file mode 100644 index 000000000000..c7afbc552c7f --- /dev/null +++ b/arch/arm/include/asm/glue-cache.h @@ -0,0 +1,146 @@ +/* + * arch/arm/include/asm/glue-cache.h + * + * Copyright (C) 1999-2002 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef ASM_GLUE_CACHE_H +#define ASM_GLUE_CACHE_H + +#include <asm/glue.h> + +/* + * Cache Model + * =========== + */ +#undef _CACHE +#undef MULTI_CACHE + +#if defined(CONFIG_CPU_CACHE_V3) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v3 +# endif +#endif + +#if defined(CONFIG_CPU_CACHE_V4) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v4 +# endif +#endif + +#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \ + defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \ + defined(CONFIG_CPU_ARM1026) +# define MULTI_CACHE 1 +#endif + +#if defined(CONFIG_CPU_FA526) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE fa +# endif +#endif + +#if defined(CONFIG_CPU_ARM926T) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm926 +# endif +#endif + +#if defined(CONFIG_CPU_ARM940T) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm940 +# endif +#endif + +#if defined(CONFIG_CPU_ARM946E) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm946 +# endif +#endif + +#if defined(CONFIG_CPU_CACHE_V4WB) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v4wb +# endif +#endif + +#if defined(CONFIG_CPU_XSCALE) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE xscale +# endif +#endif + +#if defined(CONFIG_CPU_XSC3) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE xsc3 +# endif +#endif + +#if defined(CONFIG_CPU_MOHAWK) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE mohawk +# endif +#endif + +#if defined(CONFIG_CPU_FEROCEON) +# define MULTI_CACHE 1 +#endif + +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) +//# ifdef _CACHE +# define MULTI_CACHE 1 +//# else +//# define _CACHE v6 +//# endif +#endif + +#if defined(CONFIG_CPU_V7) +//# ifdef _CACHE +# define MULTI_CACHE 1 +//# else +//# define _CACHE v7 +//# endif +#endif + +#if !defined(_CACHE) && !defined(MULTI_CACHE) +#error Unknown cache maintainence model +#endif + +#ifndef MULTI_CACHE +#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) +#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) +#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) +#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) +#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) +#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) +#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area) + +#define dmac_map_area __glue(_CACHE,_dma_map_area) +#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area) +#define dmac_flush_range __glue(_CACHE,_dma_flush_range) +#endif + +#endif diff --git a/arch/arm/include/asm/glue-df.h b/arch/arm/include/asm/glue-df.h new file mode 100644 index 000000000000..354d571e8bcc --- /dev/null +++ b/arch/arm/include/asm/glue-df.h @@ -0,0 +1,110 @@ +/* + * arch/arm/include/asm/glue-df.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef ASM_GLUE_DF_H +#define ASM_GLUE_DF_H + +#include <asm/glue.h> + +/* + * Data Abort Model + * ================ + * + * We have the following to choose from: + * arm6 - ARM6 style + * arm7 - ARM7 style + * v4_early - ARMv4 without Thumb early abort handler + * v4t_late - ARMv4 with Thumb late abort handler + * v4t_early - ARMv4 with Thumb early abort handler + * v5tej_early - ARMv5 with Thumb and Java early abort handler + * xscale - ARMv5 with Thumb with Xscale extensions + * v6_early - ARMv6 generic early abort handler + * v7_early - ARMv7 generic early abort handler + */ +#undef CPU_DABORT_HANDLER +#undef MULTI_DABORT + +#if defined(CONFIG_CPU_ARM610) +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER cpu_arm6_data_abort +# endif +#endif + +#if defined(CONFIG_CPU_ARM710) +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER cpu_arm7_data_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_LV4T +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v4t_late_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV4 +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v4_early_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV4T +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v4t_early_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV5TJ +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v5tj_early_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV5T +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v5t_early_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV6 +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v6_early_abort +# endif +#endif + +#ifdef CONFIG_CPU_ABRT_EV7 +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER v7_early_abort +# endif +#endif + +#ifndef CPU_DABORT_HANDLER +#error Unknown data abort handler type +#endif + +#endif diff --git a/arch/arm/include/asm/glue-pf.h b/arch/arm/include/asm/glue-pf.h new file mode 100644 index 000000000000..d385f37c13f0 --- /dev/null +++ b/arch/arm/include/asm/glue-pf.h @@ -0,0 +1,57 @@ +/* + * arch/arm/include/asm/glue-pf.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef ASM_GLUE_PF_H +#define ASM_GLUE_PF_H + +#include <asm/glue.h> + +/* + * Prefetch Abort Model + * ================ + * + * We have the following to choose from: + * legacy - no IFSR, no IFAR + * v6 - ARMv6: IFSR, no IFAR + * v7 - ARMv7: IFSR and IFAR + */ + +#undef CPU_PABORT_HANDLER +#undef MULTI_PABORT + +#ifdef CONFIG_CPU_PABRT_LEGACY +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER legacy_pabort +# endif +#endif + +#ifdef CONFIG_CPU_PABRT_V6 +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER v6_pabort +# endif +#endif + +#ifdef CONFIG_CPU_PABRT_V7 +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER v7_pabort +# endif +#endif + +#ifndef CPU_PABORT_HANDLER +#error Unknown prefetch abort handler type +#endif + +#endif diff --git a/arch/arm/include/asm/glue-proc.h b/arch/arm/include/asm/glue-proc.h new file mode 100644 index 000000000000..e2be7f142668 --- /dev/null +++ b/arch/arm/include/asm/glue-proc.h @@ -0,0 +1,264 @@ +/* + * arch/arm/include/asm/glue-proc.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef ASM_GLUE_PROC_H +#define ASM_GLUE_PROC_H + +#include <asm/glue.h> + +/* + * Work out if we need multiple CPU support + */ +#undef MULTI_CPU +#undef CPU_NAME + +/* + * CPU_NAME - the prefix for CPU related functions + */ + +#ifdef CONFIG_CPU_ARM610 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm6 +# endif +#endif + +#ifdef CONFIG_CPU_ARM7TDMI +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm7tdmi +# endif +#endif + +#ifdef CONFIG_CPU_ARM710 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm7 +# endif +#endif + +#ifdef CONFIG_CPU_ARM720T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm720 +# endif +#endif + +#ifdef CONFIG_CPU_ARM740T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm740 +# endif +#endif + +#ifdef CONFIG_CPU_ARM9TDMI +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm9tdmi +# endif +#endif + +#ifdef CONFIG_CPU_ARM920T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm920 +# endif +#endif + +#ifdef CONFIG_CPU_ARM922T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm922 +# endif +#endif + +#ifdef CONFIG_CPU_FA526 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_fa526 +# endif +#endif + +#ifdef CONFIG_CPU_ARM925T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm925 +# endif +#endif + +#ifdef CONFIG_CPU_ARM926T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm926 +# endif +#endif + +#ifdef CONFIG_CPU_ARM940T +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm940 +# endif +#endif + +#ifdef CONFIG_CPU_ARM946E +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm946 +# endif +#endif + +#ifdef CONFIG_CPU_SA110 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_sa110 +# endif +#endif + +#ifdef CONFIG_CPU_SA1100 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_sa1100 +# endif +#endif + +#ifdef CONFIG_CPU_ARM1020 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm1020 +# endif +#endif + +#ifdef CONFIG_CPU_ARM1020E +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm1020e +# endif +#endif + +#ifdef CONFIG_CPU_ARM1022 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm1022 +# endif +#endif + +#ifdef CONFIG_CPU_ARM1026 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_arm1026 +# endif +#endif + +#ifdef CONFIG_CPU_XSCALE +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_xscale +# endif +#endif + +#ifdef CONFIG_CPU_XSC3 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_xsc3 +# endif +#endif + +#ifdef CONFIG_CPU_MOHAWK +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_mohawk +# endif +#endif + +#ifdef CONFIG_CPU_FEROCEON +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_feroceon +# endif +#endif + +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_v6 +# endif +#endif + +#ifdef CONFIG_CPU_V7 +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_v7 +# endif +#endif + +#ifndef MULTI_CPU +#define cpu_proc_init __glue(CPU_NAME,_proc_init) +#define cpu_proc_fin __glue(CPU_NAME,_proc_fin) +#define cpu_reset __glue(CPU_NAME,_reset) +#define cpu_do_idle __glue(CPU_NAME,_do_idle) +#define cpu_dcache_clean_area __glue(CPU_NAME,_dcache_clean_area) +#define cpu_do_switch_mm __glue(CPU_NAME,_switch_mm) +#define cpu_set_pte_ext __glue(CPU_NAME,_set_pte_ext) +#define cpu_suspend_size __glue(CPU_NAME,_suspend_size) +#define cpu_do_suspend __glue(CPU_NAME,_do_suspend) +#define cpu_do_resume __glue(CPU_NAME,_do_resume) +#endif + +#endif diff --git a/arch/arm/include/asm/glue.h b/arch/arm/include/asm/glue.h index 234a3fc1c78e..0ec35d1698aa 100644 --- a/arch/arm/include/asm/glue.h +++ b/arch/arm/include/asm/glue.h @@ -15,7 +15,6 @@ */ #ifdef __KERNEL__ - #ifdef __STDC__ #define ____glue(name,fn) name##fn #else @@ -23,141 +22,4 @@ #endif #define __glue(name,fn) ____glue(name,fn) - - -/* - * Data Abort Model - * ================ - * - * We have the following to choose from: - * arm6 - ARM6 style - * arm7 - ARM7 style - * v4_early - ARMv4 without Thumb early abort handler - * v4t_late - ARMv4 with Thumb late abort handler - * v4t_early - ARMv4 with Thumb early abort handler - * v5tej_early - ARMv5 with Thumb and Java early abort handler - * xscale - ARMv5 with Thumb with Xscale extensions - * v6_early - ARMv6 generic early abort handler - * v7_early - ARMv7 generic early abort handler - */ -#undef CPU_DABORT_HANDLER -#undef MULTI_DABORT - -#if defined(CONFIG_CPU_ARM610) -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER cpu_arm6_data_abort -# endif -#endif - -#if defined(CONFIG_CPU_ARM710) -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER cpu_arm7_data_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_LV4T -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v4t_late_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV4 -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v4_early_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV4T -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v4t_early_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV5TJ -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v5tj_early_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV5T -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v5t_early_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV6 -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v6_early_abort -# endif -#endif - -#ifdef CONFIG_CPU_ABRT_EV7 -# ifdef CPU_DABORT_HANDLER -# define MULTI_DABORT 1 -# else -# define CPU_DABORT_HANDLER v7_early_abort -# endif -#endif - -#ifndef CPU_DABORT_HANDLER -#error Unknown data abort handler type -#endif - -/* - * Prefetch Abort Model - * ================ - * - * We have the following to choose from: - * legacy - no IFSR, no IFAR - * v6 - ARMv6: IFSR, no IFAR - * v7 - ARMv7: IFSR and IFAR - */ - -#undef CPU_PABORT_HANDLER -#undef MULTI_PABORT - -#ifdef CONFIG_CPU_PABRT_LEGACY -# ifdef CPU_PABORT_HANDLER -# define MULTI_PABORT 1 -# else -# define CPU_PABORT_HANDLER legacy_pabort -# endif -#endif - -#ifdef CONFIG_CPU_PABRT_V6 -# ifdef CPU_PABORT_HANDLER -# define MULTI_PABORT 1 -# else -# define CPU_PABORT_HANDLER v6_pabort -# endif -#endif - -#ifdef CONFIG_CPU_PABRT_V7 -# ifdef CPU_PABORT_HANDLER -# define MULTI_PABORT 1 -# else -# define CPU_PABORT_HANDLER v7_pabort -# endif -#endif - -#ifndef CPU_PABORT_HANDLER -#error Unknown prefetch abort handler type -#endif - #endif diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 5aeec1e1735c..16bd48031583 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -36,6 +36,7 @@ #define L2X0_RAW_INTR_STAT 0x21C #define L2X0_INTR_CLEAR 0x220 #define L2X0_CACHE_SYNC 0x730 +#define L2X0_DUMMY_REG 0x740 #define L2X0_INV_LINE_PA 0x770 #define L2X0_INV_WAY 0x77C #define L2X0_CLEAN_LINE_PA 0x7B0 diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h index 84557d321001..0691f9dcc500 100644 --- a/arch/arm/include/asm/hardware/gic.h +++ b/arch/arm/include/asm/hardware/gic.h @@ -34,6 +34,7 @@ #ifndef __ASSEMBLY__ extern void __iomem *gic_cpu_base_addr; +extern struct irq_chip gic_arch_extn; void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *); void gic_secondary_init(unsigned int); diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h index a101f10bb5b1..e0d1c0cfa548 100644 --- a/arch/arm/include/asm/hardware/sp810.h +++ b/arch/arm/include/asm/hardware/sp810.h @@ -50,8 +50,17 @@ #define SCPCELLID2 0xFF8 #define SCPCELLID3 0xFFC +#define SCCTRL_TIMEREN0SEL_REFCLK (0 << 15) +#define SCCTRL_TIMEREN0SEL_TIMCLK (1 << 15) + +#define SCCTRL_TIMEREN1SEL_REFCLK (0 << 17) +#define SCCTRL_TIMEREN1SEL_TIMCLK (1 << 17) + static inline void sysctl_soft_reset(void __iomem *base) { + /* switch to slow mode */ + writel(0x2, base + SCCTRL); + /* writing any value to SCSYSSTAT reg will reset system */ writel(0, base + SCSYSSTAT); } diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h index 7080e2c8fa62..a4edd19dd3d6 100644 --- a/arch/arm/include/asm/highmem.h +++ b/arch/arm/include/asm/highmem.h @@ -19,11 +19,36 @@ extern pte_t *pkmap_page_table; +extern void *kmap_high(struct page *page); +extern void kunmap_high(struct page *page); + +/* + * The reason for kmap_high_get() is to ensure that the currently kmap'd + * page usage count does not decrease to zero while we're using its + * existing virtual mapping in an atomic context. With a VIVT cache this + * is essential to do, but with a VIPT cache this is only an optimization + * so not to pay the price of establishing a second mapping if an existing + * one can be used. However, on platforms without hardware TLB maintenance + * broadcast, we simply cannot use ARCH_NEEDS_KMAP_HIGH_GET at all since + * the locking involved must also disable IRQs which is incompatible with + * the IPI mechanism used by global TLB operations. + */ #define ARCH_NEEDS_KMAP_HIGH_GET +#if defined(CONFIG_SMP) && defined(CONFIG_CPU_TLB_V6) +#undef ARCH_NEEDS_KMAP_HIGH_GET +#if defined(CONFIG_HIGHMEM) && defined(CONFIG_CPU_CACHE_VIVT) +#error "The sum of features in your kernel config cannot be supported together" +#endif +#endif -extern void *kmap_high(struct page *page); +#ifdef ARCH_NEEDS_KMAP_HIGH_GET extern void *kmap_high_get(struct page *page); -extern void kunmap_high(struct page *page); +#else +static inline void *kmap_high_get(struct page *page) +{ + return NULL; +} +#endif /* * The following functions are already defined by <linux/highmem.h> diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 20e0f7c9e03e..d66605dea55a 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -95,6 +95,15 @@ static inline void __iomem *__typesafe_io(unsigned long addr) return (void __iomem *)addr; } +/* IO barriers */ +#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE +#define __iormb() rmb() +#define __iowmb() wmb() +#else +#define __iormb() do { } while (0) +#define __iowmb() do { } while (0) +#endif + /* * Now, pick up the machine-defined IO definitions */ @@ -125,17 +134,17 @@ static inline void __iomem *__typesafe_io(unsigned long addr) * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. */ #ifdef __io -#define outb(v,p) __raw_writeb(v,__io(p)) -#define outw(v,p) __raw_writew((__force __u16) \ - cpu_to_le16(v),__io(p)) -#define outl(v,p) __raw_writel((__force __u32) \ - cpu_to_le32(v),__io(p)) +#define outb(v,p) ({ __iowmb(); __raw_writeb(v,__io(p)); }) +#define outw(v,p) ({ __iowmb(); __raw_writew((__force __u16) \ + cpu_to_le16(v),__io(p)); }) +#define outl(v,p) ({ __iowmb(); __raw_writel((__force __u32) \ + cpu_to_le32(v),__io(p)); }) -#define inb(p) ({ __u8 __v = __raw_readb(__io(p)); __v; }) +#define inb(p) ({ __u8 __v = __raw_readb(__io(p)); __iormb(); __v; }) #define inw(p) ({ __u16 __v = le16_to_cpu((__force __le16) \ - __raw_readw(__io(p))); __v; }) + __raw_readw(__io(p))); __iormb(); __v; }) #define inl(p) ({ __u32 __v = le32_to_cpu((__force __le32) \ - __raw_readl(__io(p))); __v; }) + __raw_readl(__io(p))); __iormb(); __v; }) #define outsb(p,d,l) __raw_writesb(__io(p),d,l) #define outsw(p,d,l) __raw_writesw(__io(p),d,l) @@ -192,14 +201,6 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ cpu_to_le32(v),__mem_pci(c))) -#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE -#define __iormb() rmb() -#define __iowmb() wmb() -#else -#define __iormb() do { } while (0) -#define __iowmb() do { } while (0) -#endif - #define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) #define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; }) diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 3a0893a76a3b..bf13b814c1b8 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -15,10 +15,6 @@ struct meminfo; struct sys_timer; struct machine_desc { - /* - * Note! The first two elements are used - * by assembler code in head.S, head-common.S - */ unsigned int nr; /* architecture number */ const char *name; /* architecture name */ unsigned long boot_params; /* tagged list */ diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h index 22ac140edd9e..febe495d0c6e 100644 --- a/arch/arm/include/asm/mach/irq.h +++ b/arch/arm/include/asm/mach/irq.h @@ -34,4 +34,35 @@ do { \ raw_spin_unlock(&desc->lock); \ } while(0) +#ifndef __ASSEMBLY__ +/* + * Entry/exit functions for chained handlers where the primary IRQ chip + * may implement either fasteoi or level-trigger flow control. + */ +static inline void chained_irq_enter(struct irq_chip *chip, + struct irq_desc *desc) +{ + /* FastEOI controllers require no action on entry. */ + if (chip->irq_eoi) + return; + + if (chip->irq_mask_ack) { + chip->irq_mask_ack(&desc->irq_data); + } else { + chip->irq_mask(&desc->irq_data); + if (chip->irq_ack) + chip->irq_ack(&desc->irq_data); + } +} + +static inline void chained_irq_exit(struct irq_chip *chip, + struct irq_desc *desc) +{ + if (chip->irq_eoi) + chip->irq_eoi(&desc->irq_data); + else + chip->irq_unmask(&desc->irq_data); +} +#endif + #endif diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 23c2e8e5c0fa..431077c5a867 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -15,6 +15,7 @@ #include <linux/compiler.h> #include <linux/const.h> +#include <linux/types.h> #include <mach/memory.h> #include <asm/sizes.h> @@ -133,20 +134,10 @@ #endif /* - * Physical vs virtual RAM address space conversion. These are - * private definitions which should NOT be used outside memory.h - * files. Use virt_to_phys/phys_to_virt/__pa/__va instead. - */ -#ifndef __virt_to_phys -#define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET) -#define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET) -#endif - -/* * Convert a physical address to a Page Frame Number and back */ -#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT) -#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT) +#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) +#define __pfn_to_phys(pfn) ((phys_addr_t)(pfn) << PAGE_SHIFT) /* * Convert a page to/from a physical address @@ -157,6 +148,62 @@ #ifndef __ASSEMBLY__ /* + * Physical vs virtual RAM address space conversion. These are + * private definitions which should NOT be used outside memory.h + * files. Use virt_to_phys/phys_to_virt/__pa/__va instead. + */ +#ifndef __virt_to_phys +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT + +/* + * Constants used to force the right instruction encodings and shifts + * so that all we need to do is modify the 8-bit constant field. + */ +#define __PV_BITS_31_24 0x81000000 +#define __PV_BITS_23_16 0x00810000 + +extern unsigned long __pv_phys_offset; +#define PHYS_OFFSET __pv_phys_offset + +#define __pv_stub(from,to,instr,type) \ + __asm__("@ __pv_stub\n" \ + "1: " instr " %0, %1, %2\n" \ + " .pushsection .pv_table,\"a\"\n" \ + " .long 1b\n" \ + " .popsection\n" \ + : "=r" (to) \ + : "r" (from), "I" (type)) + +static inline unsigned long __virt_to_phys(unsigned long x) +{ + unsigned long t; + __pv_stub(x, t, "add", __PV_BITS_31_24); +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + __pv_stub(t, t, "add", __PV_BITS_23_16); +#endif + return t; +} + +static inline unsigned long __phys_to_virt(unsigned long x) +{ + unsigned long t; + __pv_stub(x, t, "sub", __PV_BITS_31_24); +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + __pv_stub(t, t, "sub", __PV_BITS_23_16); +#endif + return t; +} +#else +#define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET) +#define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET) +#endif +#endif + +#ifndef PHYS_OFFSET +#define PHYS_OFFSET PLAT_PHYS_OFFSET +#endif + +/* * The DMA mask corresponding to the maximum bus address allocatable * using GFP_DMA. The default here places no restriction on DMA * allocations. This must be the smallest DMA mask in the system, @@ -188,12 +235,12 @@ * translation for translating DMA addresses. Use the driver * DMA support - see dma-mapping.h. */ -static inline unsigned long virt_to_phys(void *x) +static inline phys_addr_t virt_to_phys(const volatile void *x) { return __virt_to_phys((unsigned long)(x)); } -static inline void *phys_to_virt(unsigned long x) +static inline void *phys_to_virt(phys_addr_t x) { return (void *)(__phys_to_virt((unsigned long)(x))); } diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 12c8e680cbff..543b44916d2c 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -25,8 +25,31 @@ struct mod_arch_specific { }; /* - * Include the ARM architecture version. + * Add the ARM architecture version to the version magic string */ -#define MODULE_ARCH_VERMAGIC "ARMv" __stringify(__LINUX_ARM_ARCH__) " " +#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " " + +/* Add __virt_to_phys patching state as well */ +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT +#define MODULE_ARCH_VERMAGIC_P2V "p2v16 " +#else +#define MODULE_ARCH_VERMAGIC_P2V "p2v8 " +#endif +#else +#define MODULE_ARCH_VERMAGIC_P2V "" +#endif + +/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */ +#ifdef CONFIG_THUMB2_KERNEL +#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 " +#else +#define MODULE_ARCH_VERMAGIC_ARMTHUMB "" +#endif + +#define MODULE_ARCH_VERMAGIC \ + MODULE_ARCH_VERMAGIC_ARMVSN \ + MODULE_ARCH_VERMAGIC_ARMTHUMB \ + MODULE_ARCH_VERMAGIC_P2V #endif /* _ASM_ARM_MODULE_H */ diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h index fc1900925275..348d513afa92 100644 --- a/arch/arm/include/asm/outercache.h +++ b/arch/arm/include/asm/outercache.h @@ -31,6 +31,7 @@ struct outer_cache_fns { #ifdef CONFIG_OUTER_CACHE_SYNC void (*sync)(void); #endif + void (*set_debug)(unsigned long); }; #ifdef CONFIG_OUTER_CACHE diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index 9763be04f77e..22de005f159c 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -10,6 +10,8 @@ #ifndef _ASMARM_PGALLOC_H #define _ASMARM_PGALLOC_H +#include <linux/pagemap.h> + #include <asm/domain.h> #include <asm/pgtable-hwdef.h> #include <asm/processor.h> diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 8fdae9bc9abb..8ec535e11fd7 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -13,250 +13,86 @@ #ifdef __KERNEL__ +#include <asm/glue-proc.h> +#include <asm/page.h> -/* - * Work out if we need multiple CPU support - */ -#undef MULTI_CPU -#undef CPU_NAME +#ifndef __ASSEMBLY__ + +struct mm_struct; /* - * CPU_NAME - the prefix for CPU related functions + * Don't change this structure - ASM code relies on it. */ - -#ifdef CONFIG_CPU_ARM610 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm6 -# endif -#endif - -#ifdef CONFIG_CPU_ARM7TDMI -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm7tdmi -# endif -#endif - -#ifdef CONFIG_CPU_ARM710 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm7 -# endif -#endif - -#ifdef CONFIG_CPU_ARM720T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm720 -# endif -#endif - -#ifdef CONFIG_CPU_ARM740T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm740 -# endif -#endif - -#ifdef CONFIG_CPU_ARM9TDMI -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm9tdmi -# endif -#endif - -#ifdef CONFIG_CPU_ARM920T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm920 -# endif -#endif - -#ifdef CONFIG_CPU_ARM922T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm922 -# endif -#endif - -#ifdef CONFIG_CPU_FA526 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_fa526 -# endif -#endif - -#ifdef CONFIG_CPU_ARM925T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm925 -# endif -#endif - -#ifdef CONFIG_CPU_ARM926T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm926 -# endif -#endif - -#ifdef CONFIG_CPU_ARM940T -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm940 -# endif -#endif - -#ifdef CONFIG_CPU_ARM946E -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm946 -# endif -#endif - -#ifdef CONFIG_CPU_SA110 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_sa110 -# endif -#endif - -#ifdef CONFIG_CPU_SA1100 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_sa1100 -# endif -#endif - -#ifdef CONFIG_CPU_ARM1020 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm1020 -# endif -#endif - -#ifdef CONFIG_CPU_ARM1020E -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm1020e -# endif -#endif - -#ifdef CONFIG_CPU_ARM1022 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm1022 -# endif -#endif - -#ifdef CONFIG_CPU_ARM1026 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_arm1026 -# endif -#endif - -#ifdef CONFIG_CPU_XSCALE -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_xscale -# endif -#endif - -#ifdef CONFIG_CPU_XSC3 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_xsc3 -# endif -#endif - -#ifdef CONFIG_CPU_MOHAWK -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_mohawk -# endif -#endif - -#ifdef CONFIG_CPU_FEROCEON -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_feroceon -# endif -#endif - -#ifdef CONFIG_CPU_V6 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_v6 -# endif -#endif - -#ifdef CONFIG_CPU_V7 -# ifdef CPU_NAME -# undef MULTI_CPU -# define MULTI_CPU -# else -# define CPU_NAME cpu_v7 -# endif -#endif - -#ifndef __ASSEMBLY__ +extern struct processor { + /* MISC + * get data abort address/flags + */ + void (*_data_abort)(unsigned long pc); + /* + * Retrieve prefetch fault address + */ + unsigned long (*_prefetch_abort)(unsigned long lr); + /* + * Set up any processor specifics + */ + void (*_proc_init)(void); + /* + * Disable any processor specifics + */ + void (*_proc_fin)(void); + /* + * Special stuff for a reset + */ + void (*reset)(unsigned long addr) __attribute__((noreturn)); + /* + * Idle the processor + */ + int (*_do_idle)(void); + /* + * Processor architecture specific + */ + /* + * clean a virtual address range from the + * D-cache without flushing the cache. + */ + void (*dcache_clean_area)(void *addr, int size); + + /* + * Set the page table + */ + void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm); + /* + * Set a possibly extended PTE. Non-extended PTEs should + * ignore 'ext'. + */ + void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); + + /* Suspend/resume */ + unsigned int suspend_size; + void (*do_suspend)(void *); + void (*do_resume)(void *); +} processor; #ifndef MULTI_CPU -#include <asm/cpu-single.h> +extern void cpu_proc_init(void); +extern void cpu_proc_fin(void); +extern int cpu_do_idle(void); +extern void cpu_dcache_clean_area(void *, int); +extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); +extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext); +extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); #else -#include <asm/cpu-multi32.h> +#define cpu_proc_init() processor._proc_init() +#define cpu_proc_fin() processor._proc_fin() +#define cpu_reset(addr) processor.reset(addr) +#define cpu_do_idle() processor._do_idle() +#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz) +#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext) +#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) #endif +extern void cpu_resume(void); + #include <asm/memory.h> #ifdef CONFIG_MMU diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 67357baaeeeb..b2d9df5667af 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -29,19 +29,7 @@ #define STACK_TOP_MAX TASK_SIZE #endif -union debug_insn { - u32 arm; - u16 thumb; -}; - -struct debug_entry { - u32 address; - union debug_insn insn; -}; - struct debug_info { - int nsaved; - struct debug_entry bp[2]; #ifdef CONFIG_HAVE_HW_BREAKPOINT struct perf_event *hbp[ARM_MAX_HBP_SLOTS]; #endif @@ -95,7 +83,7 @@ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); -#if __LINUX_ARM_ARCH__ == 6 +#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) #define cpu_relax() smp_mb() #else #define cpu_relax() barrier() diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 783d50f32618..a8ff22b2a391 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -130,8 +130,6 @@ struct pt_regs { #ifdef __KERNEL__ -#define arch_has_single_step() (1) - #define user_mode(regs) \ (((regs)->ARM_cpsr & 0xf) == 0) diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h index 2376835015d6..4eb6d005ffaa 100644 --- a/arch/arm/include/asm/smp_scu.h +++ b/arch/arm/include/asm/smp_scu.h @@ -1,7 +1,14 @@ #ifndef __ASMARM_ARCH_SCU_H #define __ASMARM_ARCH_SCU_H +#define SCU_PM_NORMAL 0 +#define SCU_PM_DORMANT 2 +#define SCU_PM_POWEROFF 3 + +#ifndef __ASSEMBLER__ unsigned int scu_get_core_count(void __iomem *); void scu_enable(void __iomem *); +int scu_power_mode(void __iomem *, unsigned int); +#endif #endif diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h index 17eb355707dd..fdd3820edff8 100644 --- a/arch/arm/include/asm/spinlock.h +++ b/arch/arm/include/asm/spinlock.h @@ -5,17 +5,52 @@ #error SMP not supported on pre-ARMv6 CPUs #endif +/* + * sev and wfe are ARMv6K extensions. Uniprocessor ARMv6 may not have the K + * extensions, so when running on UP, we have to patch these instructions away. + */ +#define ALT_SMP(smp, up) \ + "9998: " smp "\n" \ + " .pushsection \".alt.smp.init\", \"a\"\n" \ + " .long 9998b\n" \ + " " up "\n" \ + " .popsection\n" + +#ifdef CONFIG_THUMB2_KERNEL +#define SEV ALT_SMP("sev.w", "nop.w") +/* + * For Thumb-2, special care is needed to ensure that the conditional WFE + * instruction really does assemble to exactly 4 bytes (as required by + * the SMP_ON_UP fixup code). By itself "wfene" might cause the + * assembler to insert a extra (16-bit) IT instruction, depending on the + * presence or absence of neighbouring conditional instructions. + * + * To avoid this unpredictableness, an approprite IT is inserted explicitly: + * the assembler won't change IT instructions which are explicitly present + * in the input. + */ +#define WFE(cond) ALT_SMP( \ + "it " cond "\n\t" \ + "wfe" cond ".n", \ + \ + "nop.w" \ +) +#else +#define SEV ALT_SMP("sev", "nop") +#define WFE(cond) ALT_SMP("wfe" cond, "nop") +#endif + static inline void dsb_sev(void) { #if __LINUX_ARM_ARCH__ >= 7 __asm__ __volatile__ ( "dsb\n" - "sev" + SEV ); -#elif defined(CONFIG_CPU_32v6K) +#else __asm__ __volatile__ ( "mcr p15, 0, %0, c7, c10, 4\n" - "sev" + SEV : : "r" (0) ); #endif @@ -46,9 +81,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) __asm__ __volatile__( "1: ldrex %0, [%1]\n" " teq %0, #0\n" -#ifdef CONFIG_CPU_32v6K -" wfene\n" -#endif + WFE("ne") " strexeq %0, %2, [%1]\n" " teqeq %0, #0\n" " bne 1b" @@ -107,9 +140,7 @@ static inline void arch_write_lock(arch_rwlock_t *rw) __asm__ __volatile__( "1: ldrex %0, [%1]\n" " teq %0, #0\n" -#ifdef CONFIG_CPU_32v6K -" wfene\n" -#endif + WFE("ne") " strexeq %0, %2, [%1]\n" " teq %0, #0\n" " bne 1b" @@ -176,9 +207,7 @@ static inline void arch_read_lock(arch_rwlock_t *rw) "1: ldrex %0, [%2]\n" " adds %0, %0, #1\n" " strexpl %1, %0, [%2]\n" -#ifdef CONFIG_CPU_32v6K -" wfemi\n" -#endif + WFE("mi") " rsbpls %0, %1, #0\n" " bmi 1b" : "=&r" (tmp), "=&r" (tmp2) diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 97f6d60297d5..9a87823642d0 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -347,6 +347,7 @@ void cpu_idle_wait(void); #include <asm-generic/cmpxchg-local.h> #if __LINUX_ARM_ARCH__ < 6 +/* min ARCH < ARMv6 */ #ifdef CONFIG_SMP #error "SMP is not supported on this platform" @@ -365,7 +366,7 @@ void cpu_idle_wait(void); #include <asm-generic/cmpxchg.h> #endif -#else /* __LINUX_ARM_ARCH__ >= 6 */ +#else /* min ARCH >= ARMv6 */ extern void __bad_cmpxchg(volatile void *ptr, int size); @@ -379,7 +380,7 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long oldval, res; switch (size) { -#ifdef CONFIG_CPU_32v6K +#ifndef CONFIG_CPU_V6 /* min ARCH >= ARMv6K */ case 1: do { asm volatile("@ __cmpxchg1\n" @@ -404,7 +405,7 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, : "memory", "cc"); } while (res); break; -#endif /* CONFIG_CPU_32v6K */ +#endif case 4: do { asm volatile("@ __cmpxchg4\n" @@ -450,12 +451,12 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, unsigned long ret; switch (size) { -#ifndef CONFIG_CPU_32v6K +#ifdef CONFIG_CPU_V6 /* min ARCH == ARMv6 */ case 1: case 2: ret = __cmpxchg_local_generic(ptr, old, new, size); break; -#endif /* !CONFIG_CPU_32v6K */ +#endif default: ret = __cmpxchg(ptr, old, new, size); } @@ -469,7 +470,7 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, (unsigned long)(n), \ sizeof(*(ptr)))) -#ifdef CONFIG_CPU_32v6K +#ifndef CONFIG_CPU_V6 /* min ARCH >= ARMv6K */ /* * Note : ARMv7-M (currently unsupported by Linux) does not support @@ -524,11 +525,11 @@ static inline unsigned long long __cmpxchg64_mb(volatile void *ptr, (unsigned long long)(o), \ (unsigned long long)(n))) -#else /* !CONFIG_CPU_32v6K */ +#else /* min ARCH = ARMv6 */ #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#endif /* CONFIG_CPU_32v6K */ +#endif #endif /* __LINUX_ARM_ARCH__ >= 6 */ diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index f41a6f57cd12..82dfe5d0c41e 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -18,16 +18,34 @@ #define __ASMARM_TLB_H #include <asm/cacheflush.h> -#include <asm/tlbflush.h> #ifndef CONFIG_MMU #include <linux/pagemap.h> + +#define tlb_flush(tlb) ((void) tlb) + #include <asm-generic/tlb.h> #else /* !CONFIG_MMU */ +#include <linux/swap.h> #include <asm/pgalloc.h> +#include <asm/tlbflush.h> + +/* + * We need to delay page freeing for SMP as other CPUs can access pages + * which have been removed but not yet had their TLB entries invalidated. + * Also, as ARMv7 speculative prefetch can drag new entries into the TLB, + * we need to apply this same delaying tactic to ensure correct operation. + */ +#if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7) +#define tlb_fast_mode(tlb) 0 +#define FREE_PTE_NR 500 +#else +#define tlb_fast_mode(tlb) 1 +#define FREE_PTE_NR 0 +#endif /* * TLB handling. This allows us to remove pages from the page @@ -36,12 +54,58 @@ struct mmu_gather { struct mm_struct *mm; unsigned int fullmm; + struct vm_area_struct *vma; unsigned long range_start; unsigned long range_end; + unsigned int nr; + struct page *pages[FREE_PTE_NR]; }; DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); +/* + * This is unnecessarily complex. There's three ways the TLB shootdown + * code is used: + * 1. Unmapping a range of vmas. See zap_page_range(), unmap_region(). + * tlb->fullmm = 0, and tlb_start_vma/tlb_end_vma will be called. + * tlb->vma will be non-NULL. + * 2. Unmapping all vmas. See exit_mmap(). + * tlb->fullmm = 1, and tlb_start_vma/tlb_end_vma will be called. + * tlb->vma will be non-NULL. Additionally, page tables will be freed. + * 3. Unmapping argument pages. See shift_arg_pages(). + * tlb->fullmm = 0, but tlb_start_vma/tlb_end_vma will not be called. + * tlb->vma will be NULL. + */ +static inline void tlb_flush(struct mmu_gather *tlb) +{ + if (tlb->fullmm || !tlb->vma) + flush_tlb_mm(tlb->mm); + else if (tlb->range_end > 0) { + flush_tlb_range(tlb->vma, tlb->range_start, tlb->range_end); + tlb->range_start = TASK_SIZE; + tlb->range_end = 0; + } +} + +static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr) +{ + if (!tlb->fullmm) { + if (addr < tlb->range_start) + tlb->range_start = addr; + if (addr + PAGE_SIZE > tlb->range_end) + tlb->range_end = addr + PAGE_SIZE; + } +} + +static inline void tlb_flush_mmu(struct mmu_gather *tlb) +{ + tlb_flush(tlb); + if (!tlb_fast_mode(tlb)) { + free_pages_and_swap_cache(tlb->pages, tlb->nr); + tlb->nr = 0; + } +} + static inline struct mmu_gather * tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) { @@ -49,6 +113,8 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) tlb->mm = mm; tlb->fullmm = full_mm_flush; + tlb->vma = NULL; + tlb->nr = 0; return tlb; } @@ -56,8 +122,7 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { - if (tlb->fullmm) - flush_tlb_mm(tlb->mm); + tlb_flush_mmu(tlb); /* keep the page table cache within bounds */ check_pgt_cache(); @@ -71,12 +136,7 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) static inline void tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addr) { - if (!tlb->fullmm) { - if (addr < tlb->range_start) - tlb->range_start = addr; - if (addr + PAGE_SIZE > tlb->range_end) - tlb->range_end = addr + PAGE_SIZE; - } + tlb_add_flush(tlb, addr); } /* @@ -89,6 +149,7 @@ tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) { if (!tlb->fullmm) { flush_cache_range(vma, vma->vm_start, vma->vm_end); + tlb->vma = vma; tlb->range_start = TASK_SIZE; tlb->range_end = 0; } @@ -97,12 +158,30 @@ tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) { - if (!tlb->fullmm && tlb->range_end > 0) - flush_tlb_range(vma, tlb->range_start, tlb->range_end); + if (!tlb->fullmm) + tlb_flush(tlb); +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + if (tlb_fast_mode(tlb)) { + free_page_and_swap_cache(page); + } else { + tlb->pages[tlb->nr++] = page; + if (tlb->nr >= FREE_PTE_NR) + tlb_flush_mmu(tlb); + } +} + +static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, + unsigned long addr) +{ + pgtable_page_dtor(pte); + tlb_add_flush(tlb, addr); + tlb_remove_page(tlb, pte); } -#define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) -#define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep) +#define pte_free_tlb(tlb, ptep, addr) __pte_free_tlb(tlb, ptep, addr) #define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) #define tlb_migrate_finish(mm) do { } while (0) diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index ce7378ea15a2..d2005de383b8 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -10,12 +10,7 @@ #ifndef _ASMARM_TLBFLUSH_H #define _ASMARM_TLBFLUSH_H - -#ifndef CONFIG_MMU - -#define tlb_flush(tlb) ((void) tlb) - -#else /* CONFIG_MMU */ +#ifdef CONFIG_MMU #include <asm/glue.h> diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h index e71d6ff8d104..60843eb0f61c 100644 --- a/arch/arm/include/asm/tls.h +++ b/arch/arm/include/asm/tls.h @@ -28,15 +28,14 @@ #define tls_emu 1 #define has_tls_reg 1 #define set_tls set_tls_none -#elif __LINUX_ARM_ARCH__ >= 7 || \ - (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K)) -#define tls_emu 0 -#define has_tls_reg 1 -#define set_tls set_tls_v6k -#elif __LINUX_ARM_ARCH__ == 6 +#elif defined(CONFIG_CPU_V6) #define tls_emu 0 #define has_tls_reg (elf_hwcap & HWCAP_TLS) #define set_tls set_tls_v6 +#elif defined(CONFIG_CPU_32v6K) +#define tls_emu 0 +#define has_tls_reg 1 +#define set_tls set_tls_v6k #else #define tls_emu 0 #define has_tls_reg 0 diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h index 1b960d5ef6a5..f90756dc16dc 100644 --- a/arch/arm/include/asm/traps.h +++ b/arch/arm/include/asm/traps.h @@ -45,6 +45,7 @@ static inline int in_exception_text(unsigned long ptr) extern void __init early_trap_init(void); extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); +extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs); extern void *vectors_page; diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h index 05ac4b06876a..35917b3a97f9 100644 --- a/arch/arm/include/asm/user.h +++ b/arch/arm/include/asm/user.h @@ -71,7 +71,7 @@ struct user{ /* the registers. */ unsigned long magic; /* To uniquely identify a core file */ char u_comm[32]; /* User command that was responsible */ - int u_debugreg[8]; + int u_debugreg[8]; /* No longer used */ struct user_fp u_fp; /* FP state */ struct user_fp_struct * u_fp0;/* Used by gdb to help find the values for */ /* the FP registers. */ diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 185ee822c935..74554f1742d7 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_MODULES) += armksyms.o module.o obj-$(CONFIG_ARTHUR) += arthur.o obj-$(CONFIG_ISA_DMA) += dma-isa.o obj-$(CONFIG_PCI) += bios32.o isa.o +obj-$(CONFIG_PM) += sleep.o obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o obj-$(CONFIG_SMP) += smp.o smp_tlb.o obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index e5e1e5387678..acca35aebe28 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -140,24 +140,18 @@ EXPORT_SYMBOL(__aeabi_ulcmp); #endif /* bitops */ -EXPORT_SYMBOL(_set_bit_le); -EXPORT_SYMBOL(_test_and_set_bit_le); -EXPORT_SYMBOL(_clear_bit_le); -EXPORT_SYMBOL(_test_and_clear_bit_le); -EXPORT_SYMBOL(_change_bit_le); -EXPORT_SYMBOL(_test_and_change_bit_le); +EXPORT_SYMBOL(_set_bit); +EXPORT_SYMBOL(_test_and_set_bit); +EXPORT_SYMBOL(_clear_bit); +EXPORT_SYMBOL(_test_and_clear_bit); +EXPORT_SYMBOL(_change_bit); +EXPORT_SYMBOL(_test_and_change_bit); EXPORT_SYMBOL(_find_first_zero_bit_le); EXPORT_SYMBOL(_find_next_zero_bit_le); EXPORT_SYMBOL(_find_first_bit_le); EXPORT_SYMBOL(_find_next_bit_le); #ifdef __ARMEB__ -EXPORT_SYMBOL(_set_bit_be); -EXPORT_SYMBOL(_test_and_set_bit_be); -EXPORT_SYMBOL(_clear_bit_be); -EXPORT_SYMBOL(_test_and_clear_bit_be); -EXPORT_SYMBOL(_change_bit_be); -EXPORT_SYMBOL(_test_and_change_bit_be); EXPORT_SYMBOL(_find_first_zero_bit_be); EXPORT_SYMBOL(_find_next_zero_bit_be); EXPORT_SYMBOL(_find_first_bit_be); @@ -170,3 +164,7 @@ EXPORT_SYMBOL(mcount); #endif EXPORT_SYMBOL(__gnu_mcount_nc); #endif + +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT +EXPORT_SYMBOL(__pv_phys_offset); +#endif diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 82da66172132..927522cfc12e 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -13,6 +13,9 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/dma-mapping.h> +#include <asm/cacheflush.h> +#include <asm/glue-df.h> +#include <asm/glue-pf.h> #include <asm/mach/arch.h> #include <asm/thread_info.h> #include <asm/memory.h> @@ -114,6 +117,14 @@ int main(void) #ifdef MULTI_PABORT DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); #endif +#ifdef MULTI_CPU + DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size)); + DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend)); + DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume)); +#endif +#ifdef MULTI_CACHE + DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all)); +#endif BLANK(); DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index c6273a3bfc25..d86fcd44b220 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -583,6 +583,11 @@ void __init pci_common_init(struct hw_pci *hw) * Assign resources. */ pci_bus_assign_resources(bus); + + /* + * Enable bridges + */ + pci_enable_bridges(bus); } /* diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index a0f07521ca8a..d2d983be096d 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -25,7 +25,7 @@ .macro addruart, rp, rv .endm -#if defined(CONFIG_CPU_V6) +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) .macro senduart, rd, rx mcr p14, 0, \rd, c0, c5, 0 diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 2b46fea36c9f..e8d885676807 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -16,7 +16,8 @@ */ #include <asm/memory.h> -#include <asm/glue.h> +#include <asm/glue-df.h> +#include <asm/glue-pf.h> #include <asm/vfpmacros.h> #include <mach/entry-macro.S> #include <asm/thread_notify.h> diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index ae9464900168..051166c2a932 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -76,13 +76,13 @@ #ifndef CONFIG_THUMB2_KERNEL .macro svc_exit, rpsr msr spsr_cxsf, \rpsr -#if defined(CONFIG_CPU_32v6K) - clrex @ clear the exclusive monitor - ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr -#elif defined (CONFIG_CPU_V6) +#if defined(CONFIG_CPU_V6) ldr r0, [sp] strex r1, r2, [sp] @ clear the exclusive monitor ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr +#elif defined(CONFIG_CPU_32v6K) + clrex @ clear the exclusive monitor + ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr #else ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr #endif @@ -92,10 +92,10 @@ ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr ldr lr, [sp, #\offset + S_PC]! @ get pc msr spsr_cxsf, r1 @ save in spsr_svc -#if defined(CONFIG_CPU_32v6K) - clrex @ clear the exclusive monitor -#elif defined (CONFIG_CPU_V6) +#if defined(CONFIG_CPU_V6) strex r1, r2, [sp] @ clear the exclusive monitor +#elif defined(CONFIG_CPU_32v6K) + clrex @ clear the exclusive monitor #endif .if \fast ldmdb sp, {r1 - lr}^ @ get calling r1 - lr diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index 8f57515bbdb0..c84b57d27d07 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -25,83 +25,6 @@ * machine ID for example). */ __HEAD -__error_a: -#ifdef CONFIG_DEBUG_LL - mov r4, r1 @ preserve machine ID - adr r0, str_a1 - bl printascii - mov r0, r4 - bl printhex8 - adr r0, str_a2 - bl printascii - adr r3, __lookup_machine_type_data - ldmia r3, {r4, r5, r6} @ get machine desc list - sub r4, r3, r4 @ get offset between virt&phys - add r5, r5, r4 @ convert virt addresses to - add r6, r6, r4 @ physical address space -1: ldr r0, [r5, #MACHINFO_TYPE] @ get machine type - bl printhex8 - mov r0, #'\t' - bl printch - ldr r0, [r5, #MACHINFO_NAME] @ get machine name - add r0, r0, r4 - bl printascii - mov r0, #'\n' - bl printch - add r5, r5, #SIZEOF_MACHINE_DESC @ next machine_desc - cmp r5, r6 - blo 1b - adr r0, str_a3 - bl printascii - b __error -ENDPROC(__error_a) - -str_a1: .asciz "\nError: unrecognized/unsupported machine ID (r1 = 0x" -str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n" -str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" - .align -#else - b __error -#endif - -/* - * Lookup machine architecture in the linker-build list of architectures. - * Note that we can't use the absolute addresses for the __arch_info - * lists since we aren't running with the MMU on (and therefore, we are - * not in the correct address space). We have to calculate the offset. - * - * r1 = machine architecture number - * Returns: - * r3, r4, r6 corrupted - * r5 = mach_info pointer in physical address space - */ -__lookup_machine_type: - adr r3, __lookup_machine_type_data - ldmia r3, {r4, r5, r6} - sub r3, r3, r4 @ get offset between virt&phys - add r5, r5, r3 @ convert virt addresses to - add r6, r6, r3 @ physical address space -1: ldr r3, [r5, #MACHINFO_TYPE] @ get machine type - teq r3, r1 @ matches loader number? - beq 2f @ found - add r5, r5, #SIZEOF_MACHINE_DESC @ next machine_desc - cmp r5, r6 - blo 1b - mov r5, #0 @ unknown machine -2: mov pc, lr -ENDPROC(__lookup_machine_type) - -/* - * Look in arch/arm/kernel/arch.[ch] for information about the - * __arch_info structures. - */ - .align 2 - .type __lookup_machine_type_data, %object -__lookup_machine_type_data: - .long . - .long __arch_info_begin - .long __arch_info_end - .size __lookup_machine_type_data, . - __lookup_machine_type_data /* Determine validity of the r2 atags pointer. The heuristic requires * that the pointer be aligned, in the first 16k of physical RAM and @@ -109,8 +32,6 @@ __lookup_machine_type_data: * of this function may be more lenient with the physical address and * may also be able to move the ATAGS block if necessary. * - * r8 = machinfo - * * Returns: * r2 either valid atags pointer, or zero * r5, r6 corrupted @@ -185,17 +106,6 @@ __mmap_switched_data: .size __mmap_switched_data, . - __mmap_switched_data /* - * This provides a C-API version of __lookup_machine_type - */ -ENTRY(lookup_machine_type) - stmfd sp!, {r4 - r6, lr} - mov r1, r0 - bl __lookup_machine_type - mov r0, r5 - ldmfd sp!, {r4 - r6, pc} -ENDPROC(lookup_machine_type) - -/* * This provides a C-API version of __lookup_processor_type */ ENTRY(lookup_processor_type) diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 814ce1a73270..6b1e0ad9ec3b 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -44,9 +44,6 @@ ENTRY(stext) bl __lookup_processor_type @ r5=procinfo r9=cpuid movs r10, r5 @ invalid processor (r5=0)? beq __error_p @ yes, error 'p' - bl __lookup_machine_type @ r5=machinfo - movs r8, r5 @ invalid machine (r5=0)? - beq __error_a @ yes, error 'a' adr lr, BSYM(__after_proc_init) @ return (PIC) address ARM( add pc, r10, #PROCINFO_INITFUNC ) diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index f17d9a09e8fb..c9173cfbbc74 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -26,14 +26,6 @@ #include <mach/debug-macro.S> #endif -#if (PHYS_OFFSET & 0x001fffff) -#error "PHYS_OFFSET must be at an even 2MiB boundary!" -#endif - -#define KERNEL_RAM_VADDR (PAGE_OFFSET + TEXT_OFFSET) -#define KERNEL_RAM_PADDR (PHYS_OFFSET + TEXT_OFFSET) - - /* * swapper_pg_dir is the virtual address of the initial page table. * We place the page tables 16K below KERNEL_RAM_VADDR. Therefore, we must @@ -41,6 +33,7 @@ * the least significant 16 bits to be 0x8000, but we could probably * relax this restriction to KERNEL_RAM_VADDR >= PAGE_OFFSET + 0x4000. */ +#define KERNEL_RAM_VADDR (PAGE_OFFSET + TEXT_OFFSET) #if (KERNEL_RAM_VADDR & 0xffff) != 0x8000 #error KERNEL_RAM_VADDR must start at 0xXXXX8000 #endif @@ -48,8 +41,8 @@ .globl swapper_pg_dir .equ swapper_pg_dir, KERNEL_RAM_VADDR - 0x4000 - .macro pgtbl, rd - ldr \rd, =(KERNEL_RAM_PADDR - 0x4000) + .macro pgtbl, rd, phys + add \rd, \phys, #TEXT_OFFSET - 0x4000 .endm #ifdef CONFIG_XIP_KERNEL @@ -87,25 +80,33 @@ ENTRY(stext) movs r10, r5 @ invalid processor (r5=0)? THUMB( it eq ) @ force fixup-able long branch encoding beq __error_p @ yes, error 'p' - bl __lookup_machine_type @ r5=machinfo - movs r8, r5 @ invalid machine (r5=0)? - THUMB( it eq ) @ force fixup-able long branch encoding - beq __error_a @ yes, error 'a' + +#ifndef CONFIG_XIP_KERNEL + adr r3, 2f + ldmia r3, {r4, r8} + sub r4, r3, r4 @ (PHYS_OFFSET - PAGE_OFFSET) + add r8, r8, r4 @ PHYS_OFFSET +#else + ldr r8, =PLAT_PHYS_OFFSET +#endif /* * r1 = machine no, r2 = atags, - * r8 = machinfo, r9 = cpuid, r10 = procinfo + * r8 = phys_offset, r9 = cpuid, r10 = procinfo */ bl __vet_atags #ifdef CONFIG_SMP_ON_UP bl __fixup_smp #endif +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT + bl __fixup_pv_table +#endif bl __create_page_tables /* * The following calls CPU specific code in a position independent * manner. See arch/arm/mm/proc-*.S for details. r10 = base of - * xxx_proc_info structure selected by __lookup_machine_type + * xxx_proc_info structure selected by __lookup_processor_type * above. On return, the CPU will be ready for the MMU to be * turned on, and r0 will hold the CPU control register value. */ @@ -118,22 +119,24 @@ ENTRY(stext) 1: b __enable_mmu ENDPROC(stext) .ltorg +#ifndef CONFIG_XIP_KERNEL +2: .long . + .long PAGE_OFFSET +#endif /* * Setup the initial page tables. We only setup the barest * amount which are required to get the kernel running, which * generally means mapping in the kernel code. * - * r8 = machinfo - * r9 = cpuid - * r10 = procinfo + * r8 = phys_offset, r9 = cpuid, r10 = procinfo * * Returns: * r0, r3, r5-r7 corrupted * r4 = physical page table address */ __create_page_tables: - pgtbl r4 @ page table address + pgtbl r4, r8 @ page table address /* * Clear the 16K level 1 swapper page table @@ -189,10 +192,8 @@ __create_page_tables: /* * Map some ram to cover our .data and .bss areas. */ - orr r3, r7, #(KERNEL_RAM_PADDR & 0xff000000) - .if (KERNEL_RAM_PADDR & 0x00f00000) - orr r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000) - .endif + add r3, r8, #TEXT_OFFSET + orr r3, r3, r7 add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> 18 str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]! ldr r6, =(_end - 1) @@ -205,14 +206,17 @@ __create_page_tables: #endif /* - * Then map first 1MB of ram in case it contains our boot params. + * Then map boot params address in r2 or + * the first 1MB of ram if boot params address is not specified. */ - add r0, r4, #PAGE_OFFSET >> 18 - orr r6, r7, #(PHYS_OFFSET & 0xff000000) - .if (PHYS_OFFSET & 0x00f00000) - orr r6, r6, #(PHYS_OFFSET & 0x00f00000) - .endif - str r6, [r0] + mov r0, r2, lsr #20 + movs r0, r0, lsl #20 + moveq r0, r8 + sub r3, r0, r8 + add r3, r3, #PAGE_OFFSET + add r3, r4, r3, lsr #18 + orr r6, r7, r0 + str r6, [r3] #ifdef CONFIG_DEBUG_LL #ifndef CONFIG_DEBUG_ICEDCC @@ -391,25 +395,24 @@ ENDPROC(__turn_mmu_on) #ifdef CONFIG_SMP_ON_UP + __INIT __fixup_smp: - mov r4, #0x00070000 - orr r3, r4, #0xff000000 @ mask 0xff070000 - orr r4, r4, #0x41000000 @ val 0x41070000 - and r0, r9, r3 - teq r0, r4 @ ARM CPU and ARMv6/v7? + and r3, r9, #0x000f0000 @ architecture version + teq r3, #0x000f0000 @ CPU ID supported? bne __fixup_smp_on_up @ no, assume UP - orr r3, r3, #0x0000ff00 - orr r3, r3, #0x000000f0 @ mask 0xff07fff0 + bic r3, r9, #0x00ff0000 + bic r3, r3, #0x0000000f @ mask 0xff00fff0 + mov r4, #0x41000000 orr r4, r4, #0x0000b000 - orr r4, r4, #0x00000020 @ val 0x4107b020 - and r0, r9, r3 - teq r0, r4 @ ARM 11MPCore? + orr r4, r4, #0x00000020 @ val 0x4100b020 + teq r3, r4 @ ARM 11MPCore? moveq pc, lr @ yes, assume SMP mrc p15, 0, r0, c0, c0, 5 @ read MPIDR - tst r0, #1 << 31 - movne pc, lr @ bit 31 => SMP + and r0, r0, #0xc0000000 @ multiprocessing extensions and + teq r0, #0x80000000 @ not part of a uniprocessor system? + moveq pc, lr @ yes, assume SMP __fixup_smp_on_up: adr r0, 1f @@ -417,18 +420,7 @@ __fixup_smp_on_up: sub r3, r0, r3 add r4, r4, r3 add r5, r5, r3 -2: cmp r4, r5 - movhs pc, lr - ldmia r4!, {r0, r6} - ARM( str r6, [r0, r3] ) - THUMB( add r0, r0, r3 ) -#ifdef __ARMEB__ - THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian. -#endif - THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords - THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3. - THUMB( strh r6, [r0] ) - b 2b + b __do_fixup_smp_on_up ENDPROC(__fixup_smp) .align @@ -442,7 +434,156 @@ smp_on_up: ALT_SMP(.long 1) ALT_UP(.long 0) .popsection +#endif + + .text +__do_fixup_smp_on_up: + cmp r4, r5 + movhs pc, lr + ldmia r4!, {r0, r6} + ARM( str r6, [r0, r3] ) + THUMB( add r0, r0, r3 ) +#ifdef __ARMEB__ + THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian. +#endif + THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords + THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3. + THUMB( strh r6, [r0] ) + b __do_fixup_smp_on_up +ENDPROC(__do_fixup_smp_on_up) + +ENTRY(fixup_smp) + stmfd sp!, {r4 - r6, lr} + mov r4, r0 + add r5, r0, r1 + mov r3, #0 + bl __do_fixup_smp_on_up + ldmfd sp!, {r4 - r6, pc} +ENDPROC(fixup_smp) + +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT +/* __fixup_pv_table - patch the stub instructions with the delta between + * PHYS_OFFSET and PAGE_OFFSET, which is assumed to be 16MiB aligned and + * can be expressed by an immediate shifter operand. The stub instruction + * has a form of '(add|sub) rd, rn, #imm'. + */ + __HEAD +__fixup_pv_table: + adr r0, 1f + ldmia r0, {r3-r5, r7} + sub r3, r0, r3 @ PHYS_OFFSET - PAGE_OFFSET + add r4, r4, r3 @ adjust table start address + add r5, r5, r3 @ adjust table end address + add r7, r7, r3 @ adjust __pv_phys_offset address + str r8, [r7] @ save computed PHYS_OFFSET to __pv_phys_offset +#ifndef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + mov r6, r3, lsr #24 @ constant for add/sub instructions + teq r3, r6, lsl #24 @ must be 16MiB aligned +#else + mov r6, r3, lsr #16 @ constant for add/sub instructions + teq r3, r6, lsl #16 @ must be 64kiB aligned +#endif +THUMB( it ne @ cross section branch ) + bne __error + str r6, [r7, #4] @ save to __pv_offset + b __fixup_a_pv_table +ENDPROC(__fixup_pv_table) + + .align +1: .long . + .long __pv_table_begin + .long __pv_table_end +2: .long __pv_phys_offset + + .text +__fixup_a_pv_table: +#ifdef CONFIG_THUMB2_KERNEL +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + lsls r0, r6, #24 + lsr r6, #8 + beq 1f + clz r7, r0 + lsr r0, #24 + lsl r0, r7 + bic r0, 0x0080 + lsrs r7, #1 + orrcs r0, #0x0080 + orr r0, r0, r7, lsl #12 +#endif +1: lsls r6, #24 + beq 4f + clz r7, r6 + lsr r6, #24 + lsl r6, r7 + bic r6, #0x0080 + lsrs r7, #1 + orrcs r6, #0x0080 + orr r6, r6, r7, lsl #12 + orr r6, #0x4000 + b 4f +2: @ at this point the C flag is always clear + add r7, r3 +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + ldrh ip, [r7] + tst ip, 0x0400 @ the i bit tells us LS or MS byte + beq 3f + cmp r0, #0 @ set C flag, and ... + biceq ip, 0x0400 @ immediate zero value has a special encoding + streqh ip, [r7] @ that requires the i bit cleared +#endif +3: ldrh ip, [r7, #2] + and ip, 0x8f00 + orrcc ip, r6 @ mask in offset bits 31-24 + orrcs ip, r0 @ mask in offset bits 23-16 + strh ip, [r7, #2] +4: cmp r4, r5 + ldrcc r7, [r4], #4 @ use branch for delay slot + bcc 2b + bx lr +#else +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT + and r0, r6, #255 @ offset bits 23-16 + mov r6, r6, lsr #8 @ offset bits 31-24 +#else + mov r0, #0 @ just in case... +#endif + b 3f +2: ldr ip, [r7, r3] + bic ip, ip, #0x000000ff + tst ip, #0x400 @ rotate shift tells us LS or MS byte + orrne ip, ip, r6 @ mask in offset bits 31-24 + orreq ip, ip, r0 @ mask in offset bits 23-16 + str ip, [r7, r3] +3: cmp r4, r5 + ldrcc r7, [r4], #4 @ use branch for delay slot + bcc 2b + mov pc, lr +#endif +ENDPROC(__fixup_a_pv_table) + +ENTRY(fixup_pv_table) + stmfd sp!, {r4 - r7, lr} + ldr r2, 2f @ get address of __pv_phys_offset + mov r3, #0 @ no offset + mov r4, r0 @ r0 = table start + add r5, r0, r1 @ r1 = table size + ldr r6, [r2, #4] @ get __pv_offset + bl __fixup_a_pv_table + ldmfd sp!, {r4 - r7, pc} +ENDPROC(fixup_pv_table) + + .align +2: .long __pv_phys_offset + + .data + .globl __pv_phys_offset + .type __pv_phys_offset, %object +__pv_phys_offset: + .long 0 + .size __pv_phys_offset, . - __pv_phys_offset +__pv_offset: + .long 0 #endif #include "head-common.S" diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index c9f3f0467570..44b84fe6e1b0 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -137,11 +137,10 @@ static u8 get_debug_arch(void) u32 didr; /* Do we implement the extended CPUID interface? */ - if (((read_cpuid_id() >> 16) & 0xf) != 0xf) { - pr_warning("CPUID feature registers not supported. " - "Assuming v6 debug is present.\n"); + if (WARN_ONCE((((read_cpuid_id() >> 16) & 0xf) != 0xf), + "CPUID feature registers not supported. " + "Assuming v6 debug is present.\n")) return ARM_DEBUG_ARCH_V6; - } ARM_DBG_READ(c0, 0, didr); return (didr >> 16) & 0xf; @@ -152,6 +151,12 @@ u8 arch_get_debug_arch(void) return debug_arch; } +static int debug_arch_supported(void) +{ + u8 arch = get_debug_arch(); + return arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14; +} + /* Determine number of BRP register available. */ static int get_num_brp_resources(void) { @@ -268,6 +273,9 @@ out: int hw_breakpoint_slots(int type) { + if (!debug_arch_supported()) + return 0; + /* * We can be called early, so don't rely on * our static variables being initialised. @@ -828,20 +836,33 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, /* * One-time initialisation. */ -static void reset_ctrl_regs(void *unused) +static void reset_ctrl_regs(void *info) { - int i; + int i, cpu = smp_processor_id(); + u32 dbg_power; + cpumask_t *cpumask = info; /* * v7 debug contains save and restore registers so that debug state - * can be maintained across low-power modes without leaving - * the debug logic powered up. It is IMPLEMENTATION DEFINED whether - * we can write to the debug registers out of reset, so we must - * unlock the OS Lock Access Register to avoid taking undefined - * instruction exceptions later on. + * can be maintained across low-power modes without leaving the debug + * logic powered up. It is IMPLEMENTATION DEFINED whether we can access + * the debug registers out of reset, so we must unlock the OS Lock + * Access Register to avoid taking undefined instruction exceptions + * later on. */ if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) { /* + * Ensure sticky power-down is clear (i.e. debug logic is + * powered up). + */ + asm volatile("mrc p14, 0, %0, c1, c5, 4" : "=r" (dbg_power)); + if ((dbg_power & 0x1) == 0) { + pr_warning("CPU %d debug is powered down!\n", cpu); + cpumask_or(cpumask, cpumask, cpumask_of(cpu)); + return; + } + + /* * Unconditionally clear the lock by writing a value * other than 0xC5ACCE55 to the access register. */ @@ -879,10 +900,11 @@ static struct notifier_block __cpuinitdata dbg_reset_nb = { static int __init arch_hw_breakpoint_init(void) { u32 dscr; + cpumask_t cpumask = { CPU_BITS_NONE }; debug_arch = get_debug_arch(); - if (debug_arch > ARM_DEBUG_ARCH_V7_ECP14) { + if (!debug_arch_supported()) { pr_info("debug architecture 0x%x unsupported.\n", debug_arch); return 0; } @@ -899,18 +921,24 @@ static int __init arch_hw_breakpoint_init(void) pr_info("%d breakpoint(s) reserved for watchpoint " "single-step.\n", core_num_reserved_brps); + /* + * Reset the breakpoint resources. We assume that a halting + * debugger will leave the world in a nice state for us. + */ + on_each_cpu(reset_ctrl_regs, &cpumask, 1); + if (!cpumask_empty(&cpumask)) { + core_num_brps = 0; + core_num_reserved_brps = 0; + core_num_wrps = 0; + return 0; + } + ARM_DBG_READ(c1, 0, dscr); if (dscr & ARM_DSCR_HDBGEN) { + max_watchpoint_len = 4; pr_warning("halting debug mode enabled. Assuming maximum " - "watchpoint size of 4 bytes."); + "watchpoint size of %u bytes.", max_watchpoint_len); } else { - /* - * Reset the breakpoint resources. We assume that a halting - * debugger will leave the world in a nice state for us. - */ - smp_call_function(reset_ctrl_regs, NULL, 1); - reset_ctrl_regs(NULL); - /* Work out the maximum supported watchpoint length. */ max_watchpoint_len = get_max_wp_len(); pr_info("maximum watchpoint size is %u bytes.\n", diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 28536e352deb..3535d3793e65 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -179,14 +179,21 @@ int __init arch_probe_nr_irqs(void) #ifdef CONFIG_HOTPLUG_CPU -static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu) +static bool migrate_one_irq(struct irq_data *d) { - pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->irq_data.node, cpu); + unsigned int cpu = cpumask_any_and(d->affinity, cpu_online_mask); + bool ret = false; - raw_spin_lock_irq(&desc->lock); - desc->irq_data.chip->irq_set_affinity(&desc->irq_data, - cpumask_of(cpu), false); - raw_spin_unlock_irq(&desc->lock); + if (cpu >= nr_cpu_ids) { + cpu = cpumask_any(cpu_online_mask); + ret = true; + } + + pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", d->irq, d->node, cpu); + + d->chip->irq_set_affinity(d, cpumask_of(cpu), true); + + return ret; } /* @@ -198,25 +205,30 @@ void migrate_irqs(void) { unsigned int i, cpu = smp_processor_id(); struct irq_desc *desc; + unsigned long flags; + + local_irq_save(flags); for_each_irq_desc(i, desc) { struct irq_data *d = &desc->irq_data; + bool affinity_broken = false; - if (d->node == cpu) { - unsigned int newcpu = cpumask_any_and(d->affinity, - cpu_online_mask); - if (newcpu >= nr_cpu_ids) { - if (printk_ratelimit()) - printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n", - i, cpu); + raw_spin_lock(&desc->lock); + do { + if (desc->action == NULL) + break; - cpumask_setall(d->affinity); - newcpu = cpumask_any_and(d->affinity, - cpu_online_mask); - } + if (d->node != cpu) + break; - route_irq(desc, i, newcpu); - } + affinity_broken = migrate_one_irq(d); + } while (0); + raw_spin_unlock(&desc->lock); + + if (affinity_broken && printk_ratelimit()) + pr_warning("IRQ%u no longer affine to CPU%u\n", i, cpu); } + + local_irq_restore(flags); } #endif /* CONFIG_HOTPLUG_CPU */ diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c index 2c1f0050c9c4..8f6ed43861f1 100644 --- a/arch/arm/kernel/kprobes-decode.c +++ b/arch/arm/kernel/kprobes-decode.c @@ -1437,7 +1437,7 @@ arm_kprobe_decode_insn(kprobe_opcode_t insn, struct arch_specific_insn *asi) return space_cccc_1100_010x(insn, asi); - } else if ((insn & 0x0e000000) == 0x0c400000) { + } else if ((insn & 0x0e000000) == 0x0c000000) { return space_cccc_110x(insn, asi); diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 2cfe8161b478..fee7c36349eb 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -22,6 +22,7 @@ #include <asm/pgtable.h> #include <asm/sections.h> +#include <asm/smp_plat.h> #include <asm/unwind.h> #ifdef CONFIG_XIP_KERNEL @@ -75,6 +76,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) { unsigned long loc; Elf32_Sym *sym; + const char *symname; s32 offset; #ifdef CONFIG_THUMB2_KERNEL u32 upper, lower, sign, j1, j2; @@ -82,18 +84,18 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, offset = ELF32_R_SYM(rel->r_info); if (offset < 0 || offset > (symsec->sh_size / sizeof(Elf32_Sym))) { - printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n", + pr_err("%s: section %u reloc %u: bad relocation sym offset\n", module->name, relindex, i); return -ENOEXEC; } sym = ((Elf32_Sym *)symsec->sh_addr) + offset; + symname = strtab + sym->st_name; if (rel->r_offset < 0 || rel->r_offset > dstsec->sh_size - sizeof(u32)) { - printk(KERN_ERR "%s: out of bounds relocation, " - "section %d reloc %d offset %d size %d\n", - module->name, relindex, i, rel->r_offset, - dstsec->sh_size); + pr_err("%s: section %u reloc %u sym '%s': out of bounds relocation, offset %d size %u\n", + module->name, relindex, i, symname, + rel->r_offset, dstsec->sh_size); return -ENOEXEC; } @@ -119,10 +121,10 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, if (offset & 3 || offset <= (s32)0xfe000000 || offset >= (s32)0x02000000) { - printk(KERN_ERR - "%s: relocation out of range, section " - "%d reloc %d sym '%s'\n", module->name, - relindex, i, strtab + sym->st_name); + pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n", + module->name, relindex, i, symname, + ELF32_R_TYPE(rel->r_info), loc, + sym->st_value); return -ENOEXEC; } @@ -195,10 +197,10 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, if (!(offset & 1) || offset <= (s32)0xff000000 || offset >= (s32)0x01000000) { - printk(KERN_ERR - "%s: relocation out of range, section " - "%d reloc %d sym '%s'\n", module->name, - relindex, i, strtab + sym->st_name); + pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n", + module->name, relindex, i, symname, + ELF32_R_TYPE(rel->r_info), loc, + sym->st_value); return -ENOEXEC; } @@ -268,12 +270,29 @@ struct mod_unwind_map { const Elf_Shdr *txt_sec; }; +static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr, + const Elf_Shdr *sechdrs, const char *name) +{ + const Elf_Shdr *s, *se; + const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + + for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) + if (strcmp(name, secstrs + s->sh_name) == 0) + return s; + + return NULL; +} + +extern void fixup_pv_table(const void *, unsigned long); +extern void fixup_smp(const void *, unsigned long); + int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mod) { + const Elf_Shdr *s = NULL; #ifdef CONFIG_ARM_UNWIND const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; - const Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum; + const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum; struct mod_unwind_map maps[ARM_SEC_MAX]; int i; @@ -315,6 +334,14 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, maps[i].txt_sec->sh_addr, maps[i].txt_sec->sh_size); #endif +#ifdef CONFIG_ARM_PATCH_PHYS_VIRT + s = find_mod_section(hdr, sechdrs, ".pv_table"); + if (s) + fixup_pv_table((void *)s->sh_addr, s->sh_size); +#endif + s = find_mod_section(hdr, sechdrs, ".alt.smp.init"); + if (s && !is_smp()) + fixup_smp((void *)s->sh_addr, s->sh_size); return 0; } diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 5efa2647a2fb..d150ad1ccb5d 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -700,7 +700,7 @@ user_backtrace(struct frame_tail __user *tail, * Frame pointers should strictly progress back up the stack * (towards higher addresses). */ - if (tail >= buftail.fp) + if (tail + 1 >= buftail.fp) return NULL; return buftail.fp - 1; diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c index c058bfc8532b..6fc2d228db55 100644 --- a/arch/arm/kernel/perf_event_v6.c +++ b/arch/arm/kernel/perf_event_v6.c @@ -30,7 +30,7 @@ * enable the interrupt. */ -#ifdef CONFIG_CPU_V6 +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) enum armv6_perf_types { ARMV6_PERFCTR_ICACHE_MISS = 0x0, ARMV6_PERFCTR_IBUF_STALL = 0x1, @@ -669,4 +669,4 @@ static const struct arm_pmu *__init armv6mpcore_pmu_init(void) { return NULL; } -#endif /* CONFIG_CPU_V6 */ +#endif /* CONFIG_CPU_V6 || CONFIG_CPU_V6K */ diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c index b8af96ea62e6..2c79eec19262 100644 --- a/arch/arm/kernel/pmu.c +++ b/arch/arm/kernel/pmu.c @@ -97,28 +97,34 @@ set_irq_affinity(int irq, irq, cpu); return err; #else - return 0; + return -EINVAL; #endif } static int init_cpu_pmu(void) { - int i, err = 0; + int i, irqs, err = 0; struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU]; - if (!pdev) { - err = -ENODEV; - goto out; - } + if (!pdev) + return -ENODEV; + + irqs = pdev->num_resources; + + /* + * If we have a single PMU interrupt that we can't shift, assume that + * we're running on a uniprocessor machine and continue. + */ + if (irqs == 1 && !irq_can_set_affinity(platform_get_irq(pdev, 0))) + return 0; - for (i = 0; i < pdev->num_resources; ++i) { + for (i = 0; i < irqs; ++i) { err = set_irq_affinity(platform_get_irq(pdev, i), i); if (err) break; } -out: return err; } diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 19c6816db61e..2bf27f364d09 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -26,8 +26,6 @@ #include <asm/system.h> #include <asm/traps.h> -#include "ptrace.h" - #define REG_PC 15 #define REG_PSR 16 /* @@ -184,389 +182,12 @@ put_user_reg(struct task_struct *task, int offset, long data) return ret; } -static inline int -read_u32(struct task_struct *task, unsigned long addr, u32 *res) -{ - int ret; - - ret = access_process_vm(task, addr, res, sizeof(*res), 0); - - return ret == sizeof(*res) ? 0 : -EIO; -} - -static inline int -read_instr(struct task_struct *task, unsigned long addr, u32 *res) -{ - int ret; - - if (addr & 1) { - u16 val; - ret = access_process_vm(task, addr & ~1, &val, sizeof(val), 0); - ret = ret == sizeof(val) ? 0 : -EIO; - *res = val; - } else { - u32 val; - ret = access_process_vm(task, addr & ~3, &val, sizeof(val), 0); - ret = ret == sizeof(val) ? 0 : -EIO; - *res = val; - } - return ret; -} - -/* - * Get value of register `rn' (in the instruction) - */ -static unsigned long -ptrace_getrn(struct task_struct *child, unsigned long insn) -{ - unsigned int reg = (insn >> 16) & 15; - unsigned long val; - - val = get_user_reg(child, reg); - if (reg == 15) - val += 8; - - return val; -} - -/* - * Get value of operand 2 (in an ALU instruction) - */ -static unsigned long -ptrace_getaluop2(struct task_struct *child, unsigned long insn) -{ - unsigned long val; - int shift; - int type; - - if (insn & 1 << 25) { - val = insn & 255; - shift = (insn >> 8) & 15; - type = 3; - } else { - val = get_user_reg (child, insn & 15); - - if (insn & (1 << 4)) - shift = (int)get_user_reg (child, (insn >> 8) & 15); - else - shift = (insn >> 7) & 31; - - type = (insn >> 5) & 3; - } - - switch (type) { - case 0: val <<= shift; break; - case 1: val >>= shift; break; - case 2: - val = (((signed long)val) >> shift); - break; - case 3: - val = (val >> shift) | (val << (32 - shift)); - break; - } - return val; -} - -/* - * Get value of operand 2 (in a LDR instruction) - */ -static unsigned long -ptrace_getldrop2(struct task_struct *child, unsigned long insn) -{ - unsigned long val; - int shift; - int type; - - val = get_user_reg(child, insn & 15); - shift = (insn >> 7) & 31; - type = (insn >> 5) & 3; - - switch (type) { - case 0: val <<= shift; break; - case 1: val >>= shift; break; - case 2: - val = (((signed long)val) >> shift); - break; - case 3: - val = (val >> shift) | (val << (32 - shift)); - break; - } - return val; -} - -#define OP_MASK 0x01e00000 -#define OP_AND 0x00000000 -#define OP_EOR 0x00200000 -#define OP_SUB 0x00400000 -#define OP_RSB 0x00600000 -#define OP_ADD 0x00800000 -#define OP_ADC 0x00a00000 -#define OP_SBC 0x00c00000 -#define OP_RSC 0x00e00000 -#define OP_ORR 0x01800000 -#define OP_MOV 0x01a00000 -#define OP_BIC 0x01c00000 -#define OP_MVN 0x01e00000 - -static unsigned long -get_branch_address(struct task_struct *child, unsigned long pc, unsigned long insn) -{ - u32 alt = 0; - - switch (insn & 0x0e000000) { - case 0x00000000: - case 0x02000000: { - /* - * data processing - */ - long aluop1, aluop2, ccbit; - - if ((insn & 0x0fffffd0) == 0x012fff10) { - /* - * bx or blx - */ - alt = get_user_reg(child, insn & 15); - break; - } - - - if ((insn & 0xf000) != 0xf000) - break; - - aluop1 = ptrace_getrn(child, insn); - aluop2 = ptrace_getaluop2(child, insn); - ccbit = get_user_reg(child, REG_PSR) & PSR_C_BIT ? 1 : 0; - - switch (insn & OP_MASK) { - case OP_AND: alt = aluop1 & aluop2; break; - case OP_EOR: alt = aluop1 ^ aluop2; break; - case OP_SUB: alt = aluop1 - aluop2; break; - case OP_RSB: alt = aluop2 - aluop1; break; - case OP_ADD: alt = aluop1 + aluop2; break; - case OP_ADC: alt = aluop1 + aluop2 + ccbit; break; - case OP_SBC: alt = aluop1 - aluop2 + ccbit; break; - case OP_RSC: alt = aluop2 - aluop1 + ccbit; break; - case OP_ORR: alt = aluop1 | aluop2; break; - case OP_MOV: alt = aluop2; break; - case OP_BIC: alt = aluop1 & ~aluop2; break; - case OP_MVN: alt = ~aluop2; break; - } - break; - } - - case 0x04000000: - case 0x06000000: - /* - * ldr - */ - if ((insn & 0x0010f000) == 0x0010f000) { - unsigned long base; - - base = ptrace_getrn(child, insn); - if (insn & 1 << 24) { - long aluop2; - - if (insn & 0x02000000) - aluop2 = ptrace_getldrop2(child, insn); - else - aluop2 = insn & 0xfff; - - if (insn & 1 << 23) - base += aluop2; - else - base -= aluop2; - } - read_u32(child, base, &alt); - } - break; - - case 0x08000000: - /* - * ldm - */ - if ((insn & 0x00108000) == 0x00108000) { - unsigned long base; - unsigned int nr_regs; - - if (insn & (1 << 23)) { - nr_regs = hweight16(insn & 65535) << 2; - - if (!(insn & (1 << 24))) - nr_regs -= 4; - } else { - if (insn & (1 << 24)) - nr_regs = -4; - else - nr_regs = 0; - } - - base = ptrace_getrn(child, insn); - - read_u32(child, base + nr_regs, &alt); - break; - } - break; - - case 0x0a000000: { - /* - * bl or b - */ - signed long displ; - /* It's a branch/branch link: instead of trying to - * figure out whether the branch will be taken or not, - * we'll put a breakpoint at both locations. This is - * simpler, more reliable, and probably not a whole lot - * slower than the alternative approach of emulating the - * branch. - */ - displ = (insn & 0x00ffffff) << 8; - displ = (displ >> 6) + 8; - if (displ != 0 && displ != 4) - alt = pc + displ; - } - break; - } - - return alt; -} - -static int -swap_insn(struct task_struct *task, unsigned long addr, - void *old_insn, void *new_insn, int size) -{ - int ret; - - ret = access_process_vm(task, addr, old_insn, size, 0); - if (ret == size) - ret = access_process_vm(task, addr, new_insn, size, 1); - return ret; -} - -static void -add_breakpoint(struct task_struct *task, struct debug_info *dbg, unsigned long addr) -{ - int nr = dbg->nsaved; - - if (nr < 2) { - u32 new_insn = BREAKINST_ARM; - int res; - - res = swap_insn(task, addr, &dbg->bp[nr].insn, &new_insn, 4); - - if (res == 4) { - dbg->bp[nr].address = addr; - dbg->nsaved += 1; - } - } else - printk(KERN_ERR "ptrace: too many breakpoints\n"); -} - -/* - * Clear one breakpoint in the user program. We copy what the hardware - * does and use bit 0 of the address to indicate whether this is a Thumb - * breakpoint or an ARM breakpoint. - */ -static void clear_breakpoint(struct task_struct *task, struct debug_entry *bp) -{ - unsigned long addr = bp->address; - union debug_insn old_insn; - int ret; - - if (addr & 1) { - ret = swap_insn(task, addr & ~1, &old_insn.thumb, - &bp->insn.thumb, 2); - - if (ret != 2 || old_insn.thumb != BREAKINST_THUMB) - printk(KERN_ERR "%s:%d: corrupted Thumb breakpoint at " - "0x%08lx (0x%04x)\n", task->comm, - task_pid_nr(task), addr, old_insn.thumb); - } else { - ret = swap_insn(task, addr & ~3, &old_insn.arm, - &bp->insn.arm, 4); - - if (ret != 4 || old_insn.arm != BREAKINST_ARM) - printk(KERN_ERR "%s:%d: corrupted ARM breakpoint at " - "0x%08lx (0x%08x)\n", task->comm, - task_pid_nr(task), addr, old_insn.arm); - } -} - -void ptrace_set_bpt(struct task_struct *child) -{ - struct pt_regs *regs; - unsigned long pc; - u32 insn; - int res; - - regs = task_pt_regs(child); - pc = instruction_pointer(regs); - - if (thumb_mode(regs)) { - printk(KERN_WARNING "ptrace: can't handle thumb mode\n"); - return; - } - - res = read_instr(child, pc, &insn); - if (!res) { - struct debug_info *dbg = &child->thread.debug; - unsigned long alt; - - dbg->nsaved = 0; - - alt = get_branch_address(child, pc, insn); - if (alt) - add_breakpoint(child, dbg, alt); - - /* - * Note that we ignore the result of setting the above - * breakpoint since it may fail. When it does, this is - * not so much an error, but a forewarning that we may - * be receiving a prefetch abort shortly. - * - * If we don't set this breakpoint here, then we can - * lose control of the thread during single stepping. - */ - if (!alt || predicate(insn) != PREDICATE_ALWAYS) - add_breakpoint(child, dbg, pc + 4); - } -} - -/* - * Ensure no single-step breakpoint is pending. Returns non-zero - * value if child was being single-stepped. - */ -void ptrace_cancel_bpt(struct task_struct *child) -{ - int i, nsaved = child->thread.debug.nsaved; - - child->thread.debug.nsaved = 0; - - if (nsaved > 2) { - printk("ptrace_cancel_bpt: bogus nsaved: %d!\n", nsaved); - nsaved = 2; - } - - for (i = 0; i < nsaved; i++) - clear_breakpoint(child, &child->thread.debug.bp[i]); -} - -void user_disable_single_step(struct task_struct *task) -{ - task->ptrace &= ~PT_SINGLESTEP; - ptrace_cancel_bpt(task); -} - -void user_enable_single_step(struct task_struct *task) -{ - task->ptrace |= PT_SINGLESTEP; -} - /* * Called by kernel/ptrace.c when detaching.. */ void ptrace_disable(struct task_struct *child) { - user_disable_single_step(child); + /* Nothing to do. */ } /* @@ -576,8 +197,6 @@ void ptrace_break(struct task_struct *tsk, struct pt_regs *regs) { siginfo_t info; - ptrace_cancel_bpt(tsk); - info.si_signo = SIGTRAP; info.si_errno = 0; info.si_code = TRAP_BRKPT; @@ -996,10 +615,10 @@ static int ptrace_gethbpregs(struct task_struct *tsk, long num, while (!(arch_ctrl.len & 0x1)) arch_ctrl.len >>= 1; - if (idx & 0x1) - reg = encode_ctrl_reg(arch_ctrl); - else + if (num & 0x1) reg = bp->attr.bp_addr; + else + reg = encode_ctrl_reg(arch_ctrl); } put: diff --git a/arch/arm/kernel/ptrace.h b/arch/arm/kernel/ptrace.h deleted file mode 100644 index 3926605b82ea..000000000000 --- a/arch/arm/kernel/ptrace.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * linux/arch/arm/kernel/ptrace.h - * - * Copyright (C) 2000-2003 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/ptrace.h> - -extern void ptrace_cancel_bpt(struct task_struct *); -extern void ptrace_set_bpt(struct task_struct *); -extern void ptrace_break(struct task_struct *, struct pt_regs *); - -/* - * Send SIGTRAP if we're single-stepping - */ -static inline void single_step_trap(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) { - ptrace_cancel_bpt(task); - send_sig(SIGTRAP, task, 1); - } -} - -static inline void single_step_clear(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) - ptrace_cancel_bpt(task); -} - -static inline void single_step_set(struct task_struct *task) -{ - if (task->ptrace & PT_SINGLESTEP) - ptrace_set_bpt(task); -} diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index df246da4ceca..0b13a72f855d 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -9,6 +9,7 @@ * the Free Software Foundation. */ #include <linux/module.h> +#include <linux/ftrace.h> #if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) #include <linux/sched.h> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 420b8d6485d6..d1da92174277 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -226,8 +226,8 @@ int cpu_architecture(void) * Register 0 and check for VMSAv7 or PMSAv7 */ asm("mrc p15, 0, %0, c0, c1, 4" : "=r" (mmfr0)); - if ((mmfr0 & 0x0000000f) == 0x00000003 || - (mmfr0 & 0x000000f0) == 0x00000030) + if ((mmfr0 & 0x0000000f) >= 0x00000003 || + (mmfr0 & 0x000000f0) >= 0x00000030) cpu_arch = CPU_ARCH_ARMv7; else if ((mmfr0 & 0x0000000f) == 0x00000002 || (mmfr0 & 0x000000f0) == 0x00000020) @@ -308,7 +308,22 @@ static void __init cacheid_init(void) * already provide the required functionality. */ extern struct proc_info_list *lookup_processor_type(unsigned int); -extern struct machine_desc *lookup_machine_type(unsigned int); + +static void __init early_print(const char *str, ...) +{ + extern void printascii(const char *); + char buf[256]; + va_list ap; + + va_start(ap, str); + vsnprintf(buf, sizeof(buf), str, ap); + va_end(ap); + +#ifdef CONFIG_DEBUG_LL + printascii(buf); +#endif + printk("%s", buf); +} static void __init feat_v6_fixup(void) { @@ -426,21 +441,29 @@ void cpu_init(void) static struct machine_desc * __init setup_machine(unsigned int nr) { - struct machine_desc *list; + extern struct machine_desc __arch_info_begin[], __arch_info_end[]; + struct machine_desc *p; /* * locate machine in the list of supported machines. */ - list = lookup_machine_type(nr); - if (!list) { - printk("Machine configuration botched (nr %d), unable " - "to continue.\n", nr); - while (1); - } + for (p = __arch_info_begin; p < __arch_info_end; p++) + if (nr == p->nr) { + printk("Machine: %s\n", p->name); + return p; + } - printk("Machine: %s\n", list->name); + early_print("\n" + "Error: unrecognized/unsupported machine ID (r1 = 0x%08x).\n\n" + "Available machine support:\n\nID (hex)\tNAME\n", nr); - return list; + for (p = __arch_info_begin; p < __arch_info_end; p++) + early_print("%08x\t%s\n", p->nr, p->name); + + early_print("\nPlease check your kernel config and/or bootloader.\n"); + + while (true) + /* can't use cpu_relax() here as it may require MMU setup */; } static int __init arm_add_memory(unsigned long start, unsigned long size) @@ -703,7 +726,7 @@ static struct init_tags { { tag_size(tag_core), ATAG_CORE }, { 1, PAGE_SIZE, 0xff }, { tag_size(tag_mem32), ATAG_MEM }, - { MEM_SIZE, PHYS_OFFSET }, + { MEM_SIZE }, { 0, ATAG_NONE } }; @@ -802,6 +825,8 @@ void __init setup_arch(char **cmdline_p) struct machine_desc *mdesc; char *from = default_command_line; + init_tags.mem.start = PHYS_OFFSET; + unwind_init(); setup_processor(); @@ -814,8 +839,25 @@ void __init setup_arch(char **cmdline_p) if (__atags_pointer) tags = phys_to_virt(__atags_pointer); - else if (mdesc->boot_params) - tags = phys_to_virt(mdesc->boot_params); + else if (mdesc->boot_params) { +#ifdef CONFIG_MMU + /* + * We still are executing with a minimal MMU mapping created + * with the presumption that the machine default for this + * is located in the first MB of RAM. Anything else will + * fault and silently hang the kernel at this point. + */ + if (mdesc->boot_params < PHYS_OFFSET || + mdesc->boot_params >= PHYS_OFFSET + SZ_1M) { + printk(KERN_WARNING + "Default boot params at physical 0x%08lx out of reach\n", + mdesc->boot_params); + } else +#endif + { + tags = phys_to_virt(mdesc->boot_params); + } + } #if defined(CONFIG_DEPRECATED_PARAM_STRUCT) /* diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 907d5a620bca..cb8398317644 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -20,7 +20,6 @@ #include <asm/unistd.h> #include <asm/vfp.h> -#include "ptrace.h" #include "signal.h" #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) @@ -348,8 +347,6 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs) if (restore_sigframe(regs, frame)) goto badframe; - single_step_trap(current); - return regs->ARM_r0; badframe: @@ -383,8 +380,6 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) goto badframe; - single_step_trap(current); - return regs->ARM_r0; badframe: @@ -474,7 +469,9 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka, unsigned long handler = (unsigned long)ka->sa.sa_handler; unsigned long retcode; int thumb = 0; - unsigned long cpsr = regs->ARM_cpsr & ~PSR_f; + unsigned long cpsr = regs->ARM_cpsr & ~(PSR_f | PSR_E_BIT); + + cpsr |= PSR_ENDSTATE; /* * Maybe we need to deliver a 32-bit signal to a 26-bit task. @@ -704,8 +701,6 @@ static void do_signal(struct pt_regs *regs, int syscall) if (try_to_freeze()) goto no_signal; - single_step_clear(current); - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { sigset_t *oldset; @@ -724,7 +719,6 @@ static void do_signal(struct pt_regs *regs, int syscall) if (test_thread_flag(TIF_RESTORE_SIGMASK)) clear_thread_flag(TIF_RESTORE_SIGMASK); } - single_step_set(current); return; } @@ -770,7 +764,6 @@ static void do_signal(struct pt_regs *regs, int syscall) sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } - single_step_set(current); } asmlinkage void diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S new file mode 100644 index 000000000000..bfad698a02e7 --- /dev/null +++ b/arch/arm/kernel/sleep.S @@ -0,0 +1,134 @@ +#include <linux/linkage.h> +#include <linux/threads.h> +#include <asm/asm-offsets.h> +#include <asm/assembler.h> +#include <asm/glue-cache.h> +#include <asm/glue-proc.h> +#include <asm/system.h> + .text + +/* + * Save CPU state for a suspend + * r1 = v:p offset + * r3 = virtual return function + * Note: sp is decremented to allocate space for CPU state on stack + * r0-r3,r9,r10,lr corrupted + */ +ENTRY(cpu_suspend) + mov r9, lr +#ifdef MULTI_CPU + ldr r10, =processor + mov r2, sp @ current virtual SP + ldr r0, [r10, #CPU_SLEEP_SIZE] @ size of CPU sleep state + ldr ip, [r10, #CPU_DO_RESUME] @ virtual resume function + sub sp, sp, r0 @ allocate CPU state on stack + mov r0, sp @ save pointer + add ip, ip, r1 @ convert resume fn to phys + stmfd sp!, {r1, r2, r3, ip} @ save v:p, virt SP, retfn, phys resume fn + ldr r3, =sleep_save_sp + add r2, sp, r1 @ convert SP to phys +#ifdef CONFIG_SMP + ALT_SMP(mrc p15, 0, lr, c0, c0, 5) + ALT_UP(mov lr, #0) + and lr, lr, #15 + str r2, [r3, lr, lsl #2] @ save phys SP +#else + str r2, [r3] @ save phys SP +#endif + mov lr, pc + ldr pc, [r10, #CPU_DO_SUSPEND] @ save CPU state +#else + mov r2, sp @ current virtual SP + ldr r0, =cpu_suspend_size + sub sp, sp, r0 @ allocate CPU state on stack + mov r0, sp @ save pointer + stmfd sp!, {r1, r2, r3} @ save v:p, virt SP, return fn + ldr r3, =sleep_save_sp + add r2, sp, r1 @ convert SP to phys +#ifdef CONFIG_SMP + ALT_SMP(mrc p15, 0, lr, c0, c0, 5) + ALT_UP(mov lr, #0) + and lr, lr, #15 + str r2, [r3, lr, lsl #2] @ save phys SP +#else + str r2, [r3] @ save phys SP +#endif + bl cpu_do_suspend +#endif + + @ flush data cache +#ifdef MULTI_CACHE + ldr r10, =cpu_cache + mov lr, r9 + ldr pc, [r10, #CACHE_FLUSH_KERN_ALL] +#else + mov lr, r9 + b __cpuc_flush_kern_all +#endif +ENDPROC(cpu_suspend) + .ltorg + +/* + * r0 = control register value + * r1 = v:p offset (preserved by cpu_do_resume) + * r2 = phys page table base + * r3 = L1 section flags + */ +ENTRY(cpu_resume_mmu) + adr r4, cpu_resume_turn_mmu_on + mov r4, r4, lsr #20 + orr r3, r3, r4, lsl #20 + ldr r5, [r2, r4, lsl #2] @ save old mapping + str r3, [r2, r4, lsl #2] @ setup 1:1 mapping for mmu code + sub r2, r2, r1 + ldr r3, =cpu_resume_after_mmu + bic r1, r0, #CR_C @ ensure D-cache is disabled + b cpu_resume_turn_mmu_on +ENDPROC(cpu_resume_mmu) + .ltorg + .align 5 +cpu_resume_turn_mmu_on: + mcr p15, 0, r1, c1, c0, 0 @ turn on MMU, I-cache, etc + mrc p15, 0, r1, c0, c0, 0 @ read id reg + mov r1, r1 + mov r1, r1 + mov pc, r3 @ jump to virtual address +ENDPROC(cpu_resume_turn_mmu_on) +cpu_resume_after_mmu: + str r5, [r2, r4, lsl #2] @ restore old mapping + mcr p15, 0, r0, c1, c0, 0 @ turn on D-cache + mov pc, lr +ENDPROC(cpu_resume_after_mmu) + +/* + * Note: Yes, part of the following code is located into the .data section. + * This is to allow sleep_save_sp to be accessed with a relative load + * while we can't rely on any MMU translation. We could have put + * sleep_save_sp in the .text section as well, but some setups might + * insist on it to be truly read-only. + */ + .data + .align +ENTRY(cpu_resume) +#ifdef CONFIG_SMP + adr r0, sleep_save_sp + ALT_SMP(mrc p15, 0, r1, c0, c0, 5) + ALT_UP(mov r1, #0) + and r1, r1, #15 + ldr r0, [r0, r1, lsl #2] @ stack phys addr +#else + ldr r0, sleep_save_sp @ stack phys addr +#endif + msr cpsr_c, #PSR_I_BIT | PSR_F_BIT | SVC_MODE @ set SVC, irqs off +#ifdef MULTI_CPU + ldmia r0!, {r1, sp, lr, pc} @ load v:p, stack, return fn, resume fn +#else + ldmia r0!, {r1, sp, lr} @ load v:p, stack, return fn + b cpu_do_resume +#endif +ENDPROC(cpu_resume) + +sleep_save_sp: + .rept CONFIG_NR_CPUS + .long 0 @ preserve stack phys ptr here + .endr diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 9ab4149bd983..a1e757c3439b 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -50,3 +50,26 @@ void __init scu_enable(void __iomem *scu_base) */ flush_cache_all(); } + +/* + * Set the executing CPUs power mode as defined. This will be in + * preparation for it executing a WFI instruction. + * + * This function must be called with preemption disabled, and as it + * has the side effect of disabling coherency, caches must have been + * flushed. Interrupts must also have been disabled. + */ +int scu_power_mode(void __iomem *scu_base, unsigned int mode) +{ + unsigned int val; + int cpu = smp_processor_id(); + + if (mode > 3 || mode == 1 || cpu > 3) + return -EINVAL; + + val = __raw_readb(scu_base + SCU_CPU_STATUS + cpu) & ~0x03; + val |= mode; + __raw_writeb(val, scu_base + SCU_CPU_STATUS + cpu); + + return 0; +} diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index fd9156698ab9..60636f499cb3 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -36,6 +36,7 @@ static void twd_set_mode(enum clock_event_mode mode, /* timer load already set up */ ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE | TWD_TIMER_CONTROL_PERIODIC; + __raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD); break; case CLOCK_EVT_MODE_ONESHOT: /* period set, and timer enabled in 'next_event' hook */ @@ -81,7 +82,7 @@ int twd_timer_ack(void) static void __cpuinit twd_calibrate_rate(void) { - unsigned long load, count; + unsigned long count; u64 waitjiffies; /* @@ -116,10 +117,6 @@ static void __cpuinit twd_calibrate_rate(void) printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000, (twd_timer_rate / 1000000) % 100); } - - load = twd_timer_rate / HZ; - - __raw_writel(load, twd_base + TWD_TIMER_LOAD); } /* diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c index 26685c2f7a49..f5cf660eefcc 100644 --- a/arch/arm/kernel/tcm.c +++ b/arch/arm/kernel/tcm.c @@ -15,7 +15,7 @@ #include <linux/string.h> /* memcpy */ #include <asm/cputype.h> #include <asm/mach/map.h> -#include <mach/memory.h> +#include <asm/memory.h> #include "tcm.h" static struct gen_pool *tcm_pool; diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 3d76bf233734..1ff46cabc7ef 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -107,9 +107,7 @@ void timer_tick(void) { profile_tick(CPU_PROFILING); do_leds(); - write_seqlock(&xtime_lock); - do_timer(1); - write_sequnlock(&xtime_lock); + xtime_update(1); #ifndef CONFIG_SMP update_process_times(user_mode(get_irq_regs())); #endif diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index ee57640ba2bb..21ac43f1c2d0 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -23,6 +23,7 @@ #include <linux/kexec.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/sched.h> #include <asm/atomic.h> #include <asm/cacheflush.h> @@ -32,7 +33,6 @@ #include <asm/unwind.h> #include <asm/tls.h> -#include "ptrace.h" #include "signal.h" static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; @@ -256,7 +256,7 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt return ret; } -DEFINE_SPINLOCK(die_lock); +static DEFINE_SPINLOCK(die_lock); /* * This function is protected against re-entrancy. diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 86b66f3f2031..b4348e62ef06 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -21,6 +21,12 @@ #define ARM_CPU_KEEP(x) #endif +#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) +#define ARM_EXIT_KEEP(x) x +#else +#define ARM_EXIT_KEEP(x) +#endif + OUTPUT_ARCH(arm) ENTRY(stext) @@ -43,6 +49,7 @@ SECTIONS _sinittext = .; HEAD_TEXT INIT_TEXT + ARM_EXIT_KEEP(EXIT_TEXT) _einittext = .; ARM_CPU_DISCARD(PROC_INFO) __arch_info_begin = .; @@ -57,6 +64,10 @@ SECTIONS __smpalt_end = .; #endif + __pv_table_begin = .; + *(.pv_table) + __pv_table_end = .; + INIT_SETUP(16) INIT_CALLS @@ -67,10 +78,11 @@ SECTIONS #ifndef CONFIG_XIP_KERNEL __init_begin = _stext; INIT_DATA + ARM_EXIT_KEEP(EXIT_DATA) #endif } - PERCPU(PAGE_SIZE) + PERCPU(32, PAGE_SIZE) #ifndef CONFIG_XIP_KERNEL . = ALIGN(PAGE_SIZE); @@ -162,6 +174,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); __init_begin = .; INIT_DATA + ARM_EXIT_KEEP(EXIT_DATA) . = ALIGN(PAGE_SIZE); __init_end = .; #endif @@ -247,6 +260,8 @@ SECTIONS } #endif + NOTES + BSS_SECTION(0, 0, 0) _end = .; diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index d42252918bfb..10d868a5a481 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -1,44 +1,52 @@ - -#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_CPU_32v6K) +#if __LINUX_ARM_ARCH__ >= 6 .macro bitop, instr + ands ip, r1, #3 + strneb r1, [ip] @ assert word-aligned mov r2, #1 - and r3, r0, #7 @ Get bit offset - add r1, r1, r0, lsr #3 @ Get byte offset + and r3, r0, #31 @ Get bit offset + mov r0, r0, lsr #5 + add r1, r1, r0, lsl #2 @ Get word offset mov r3, r2, lsl r3 -1: ldrexb r2, [r1] +1: ldrex r2, [r1] \instr r2, r2, r3 - strexb r0, r2, [r1] + strex r0, r2, [r1] cmp r0, #0 bne 1b - mov pc, lr + bx lr .endm .macro testop, instr, store - and r3, r0, #7 @ Get bit offset + ands ip, r1, #3 + strneb r1, [ip] @ assert word-aligned mov r2, #1 - add r1, r1, r0, lsr #3 @ Get byte offset + and r3, r0, #31 @ Get bit offset + mov r0, r0, lsr #5 + add r1, r1, r0, lsl #2 @ Get word offset mov r3, r2, lsl r3 @ create mask smp_dmb -1: ldrexb r2, [r1] +1: ldrex r2, [r1] ands r0, r2, r3 @ save old value of bit - \instr r2, r2, r3 @ toggle bit - strexb ip, r2, [r1] + \instr r2, r2, r3 @ toggle bit + strex ip, r2, [r1] cmp ip, #0 bne 1b smp_dmb cmp r0, #0 movne r0, #1 -2: mov pc, lr +2: bx lr .endm #else .macro bitop, instr - and r2, r0, #7 + ands ip, r1, #3 + strneb r1, [ip] @ assert word-aligned + and r2, r0, #31 + mov r0, r0, lsr #5 mov r3, #1 mov r3, r3, lsl r2 save_and_disable_irqs ip - ldrb r2, [r1, r0, lsr #3] + ldr r2, [r1, r0, lsl #2] \instr r2, r2, r3 - strb r2, [r1, r0, lsr #3] + str r2, [r1, r0, lsl #2] restore_irqs ip mov pc, lr .endm @@ -52,11 +60,13 @@ * to avoid dirtying the data cache. */ .macro testop, instr, store - add r1, r1, r0, lsr #3 - and r3, r0, #7 - mov r0, #1 + ands ip, r1, #3 + strneb r1, [ip] @ assert word-aligned + and r3, r0, #31 + mov r0, r0, lsr #5 save_and_disable_irqs ip - ldrb r2, [r1] + ldr r2, [r1, r0, lsl #2]! + mov r0, #1 tst r2, r0, lsl r3 \instr r2, r2, r0, lsl r3 \store r2, [r1] diff --git a/arch/arm/lib/changebit.S b/arch/arm/lib/changebit.S index 80f3115cbee2..68ed5b62e839 100644 --- a/arch/arm/lib/changebit.S +++ b/arch/arm/lib/changebit.S @@ -12,12 +12,6 @@ #include "bitops.h" .text -/* Purpose : Function to change a bit - * Prototype: int change_bit(int bit, void *addr) - */ -ENTRY(_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_change_bit_le) +ENTRY(_change_bit) bitop eor -ENDPROC(_change_bit_be) -ENDPROC(_change_bit_le) +ENDPROC(_change_bit) diff --git a/arch/arm/lib/clearbit.S b/arch/arm/lib/clearbit.S index 1a63e43a1df0..4c04c3b51eeb 100644 --- a/arch/arm/lib/clearbit.S +++ b/arch/arm/lib/clearbit.S @@ -12,13 +12,6 @@ #include "bitops.h" .text -/* - * Purpose : Function to clear a bit - * Prototype: int clear_bit(int bit, void *addr) - */ -ENTRY(_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_clear_bit_le) +ENTRY(_clear_bit) bitop bic -ENDPROC(_clear_bit_be) -ENDPROC(_clear_bit_le) +ENDPROC(_clear_bit) diff --git a/arch/arm/lib/setbit.S b/arch/arm/lib/setbit.S index 1dd7176c4b2b..bbee5c66a23e 100644 --- a/arch/arm/lib/setbit.S +++ b/arch/arm/lib/setbit.S @@ -12,13 +12,6 @@ #include "bitops.h" .text -/* - * Purpose : Function to set a bit - * Prototype: int set_bit(int bit, void *addr) - */ -ENTRY(_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_set_bit_le) +ENTRY(_set_bit) bitop orr -ENDPROC(_set_bit_be) -ENDPROC(_set_bit_le) +ENDPROC(_set_bit) diff --git a/arch/arm/lib/testchangebit.S b/arch/arm/lib/testchangebit.S index 5c98dc567f0f..15a4d431f229 100644 --- a/arch/arm/lib/testchangebit.S +++ b/arch/arm/lib/testchangebit.S @@ -12,9 +12,6 @@ #include "bitops.h" .text -ENTRY(_test_and_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_change_bit_le) - testop eor, strb -ENDPROC(_test_and_change_bit_be) -ENDPROC(_test_and_change_bit_le) +ENTRY(_test_and_change_bit) + testop eor, str +ENDPROC(_test_and_change_bit) diff --git a/arch/arm/lib/testclearbit.S b/arch/arm/lib/testclearbit.S index 543d7094d18e..521b66b5b95d 100644 --- a/arch/arm/lib/testclearbit.S +++ b/arch/arm/lib/testclearbit.S @@ -12,9 +12,6 @@ #include "bitops.h" .text -ENTRY(_test_and_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_clear_bit_le) - testop bicne, strneb -ENDPROC(_test_and_clear_bit_be) -ENDPROC(_test_and_clear_bit_le) +ENTRY(_test_and_clear_bit) + testop bicne, strne +ENDPROC(_test_and_clear_bit) diff --git a/arch/arm/lib/testsetbit.S b/arch/arm/lib/testsetbit.S index 0b3f390401ce..1c98cc2185bb 100644 --- a/arch/arm/lib/testsetbit.S +++ b/arch/arm/lib/testsetbit.S @@ -12,9 +12,6 @@ #include "bitops.h" .text -ENTRY(_test_and_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_set_bit_le) - testop orreq, streqb -ENDPROC(_test_and_set_bit_be) -ENDPROC(_test_and_set_bit_le) +ENTRY(_test_and_set_bit) + testop orreq, streq +ENDPROC(_test_and_set_bit) diff --git a/arch/arm/mach-at91/board-snapper9260.c b/arch/arm/mach-at91/board-snapper9260.c index 0a99b3cedd7a..17f7d9b32142 100644 --- a/arch/arm/mach-at91/board-snapper9260.c +++ b/arch/arm/mach-at91/board-snapper9260.c @@ -153,6 +153,7 @@ static struct i2c_board_info __initdata snapper9260_i2c_devices[] = { { /* RTC */ I2C_BOARD_INFO("isl1208", 0x6f), + .irq = gpio_to_irq(AT91_PIN_PA31), }, }; diff --git a/arch/arm/mach-at91/include/mach/gpio.h b/arch/arm/mach-at91/include/mach/gpio.h index bfdd8ab26dc8..ddeb64536756 100644 --- a/arch/arm/mach-at91/include/mach/gpio.h +++ b/arch/arm/mach-at91/include/mach/gpio.h @@ -220,15 +220,8 @@ extern void at91_gpio_resume(void); #define gpio_set_value __gpio_set_value #define gpio_cansleep __gpio_cansleep -static inline int gpio_to_irq(unsigned gpio) -{ - return gpio; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return irq; -} +#define gpio_to_irq(gpio) (gpio) +#define irq_to_gpio(irq) (irq) #endif /* __ASSEMBLY__ */ diff --git a/arch/arm/mach-at91/include/mach/memory.h b/arch/arm/mach-at91/include/mach/memory.h index 14f4ef4b6a9e..c2cfe5040642 100644 --- a/arch/arm/mach-at91/include/mach/memory.h +++ b/arch/arm/mach-at91/include/mach/memory.h @@ -23,6 +23,6 @@ #include <mach/hardware.h> -#define PHYS_OFFSET (AT91_SDRAM_BASE) +#define PLAT_PHYS_OFFSET (AT91_SDRAM_BASE) #endif diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h index 447eb340c611..8bf3564fba50 100644 --- a/arch/arm/mach-bcmring/include/mach/hardware.h +++ b/arch/arm/mach-bcmring/include/mach/hardware.h @@ -31,7 +31,7 @@ * *_SIZE is the size of the region * *_BASE is the virtual address */ -#define RAM_START PHYS_OFFSET +#define RAM_START PLAT_PHYS_OFFSET #define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED) #define RAM_BASE PAGE_OFFSET diff --git a/arch/arm/mach-bcmring/include/mach/memory.h b/arch/arm/mach-bcmring/include/mach/memory.h index 114f942bb4f3..15162e4c75f9 100644 --- a/arch/arm/mach-bcmring/include/mach/memory.h +++ b/arch/arm/mach-bcmring/include/mach/memory.h @@ -23,7 +23,7 @@ * files. Use virt_to_phys/phys_to_virt/__pa/__va instead. */ -#define PHYS_OFFSET CFG_GLOBAL_RAM_BASE +#define PLAT_PHYS_OFFSET CFG_GLOBAL_RAM_BASE /* * Maximum DMA memory allowed is 14M diff --git a/arch/arm/mach-clps711x/include/mach/memory.h b/arch/arm/mach-clps711x/include/mach/memory.h index f45c8e892cb5..3a032a67725c 100644 --- a/arch/arm/mach-clps711x/include/mach/memory.h +++ b/arch/arm/mach-clps711x/include/mach/memory.h @@ -23,7 +23,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0xc0000000) +#define PLAT_PHYS_OFFSET UL(0xc0000000) #if !defined(CONFIG_ARCH_CDB89712) && !defined (CONFIG_ARCH_AUTCPU12) diff --git a/arch/arm/mach-clps711x/include/mach/time.h b/arch/arm/mach-clps711x/include/mach/time.h index 8fe283ccd1f3..61fef9129c6a 100644 --- a/arch/arm/mach-clps711x/include/mach/time.h +++ b/arch/arm/mach-clps711x/include/mach/time.h @@ -30,7 +30,7 @@ p720t_timer_interrupt(int irq, void *dev_id) { struct pt_regs *regs = get_irq_regs(); do_leds(); - do_timer(1); + xtime_update(1); #ifndef CONFIG_SMP update_process_times(user_mode(regs)); #endif diff --git a/arch/arm/mach-cns3xxx/include/mach/memory.h b/arch/arm/mach-cns3xxx/include/mach/memory.h index 3b6b769b7a27..dc16c5c5d86b 100644 --- a/arch/arm/mach-cns3xxx/include/mach/memory.h +++ b/arch/arm/mach-cns3xxx/include/mach/memory.h @@ -13,7 +13,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #define __phys_to_bus(x) ((x) + PHYS_OFFSET) #define __bus_to_phys(x) ((x) - PHYS_OFFSET) diff --git a/arch/arm/mach-davinci/cpufreq.c b/arch/arm/mach-davinci/cpufreq.c index 343de73161fa..4a68c2b1ec11 100644 --- a/arch/arm/mach-davinci/cpufreq.c +++ b/arch/arm/mach-davinci/cpufreq.c @@ -132,7 +132,7 @@ out: return ret; } -static int __init davinci_cpu_init(struct cpufreq_policy *policy) +static int davinci_cpu_init(struct cpufreq_policy *policy) { int result = 0; struct davinci_cpufreq_config *pdata = cpufreq.dev->platform_data; diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 9eec63070e0c..beda8a4133a0 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -480,8 +480,15 @@ static struct platform_device da850_mcasp_device = { .resource = da850_mcasp_resources, }; +struct platform_device davinci_pcm_device = { + .name = "davinci-pcm-audio", + .id = -1, +}; + void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) { + platform_device_register(&davinci_pcm_device); + /* DA830/OMAP-L137 has 3 instances of McASP */ if (cpu_is_davinci_da830() && id == 1) { da830_mcasp1_device.dev.platform_data = pdata; diff --git a/arch/arm/mach-davinci/gpio-tnetv107x.c b/arch/arm/mach-davinci/gpio-tnetv107x.c index d10298620e2c..3fa3e2867e19 100644 --- a/arch/arm/mach-davinci/gpio-tnetv107x.c +++ b/arch/arm/mach-davinci/gpio-tnetv107x.c @@ -58,7 +58,7 @@ static int tnetv107x_gpio_request(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_set_bit(®s->enable, gpio); + gpio_reg_set_bit(regs->enable, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -74,7 +74,7 @@ static void tnetv107x_gpio_free(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_clear_bit(®s->enable, gpio); + gpio_reg_clear_bit(regs->enable, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); } @@ -88,7 +88,7 @@ static int tnetv107x_gpio_dir_in(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_set_bit(®s->direction, gpio); + gpio_reg_set_bit(regs->direction, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -106,11 +106,11 @@ static int tnetv107x_gpio_dir_out(struct gpio_chip *chip, spin_lock_irqsave(&ctlr->lock, flags); if (value) - gpio_reg_set_bit(®s->data_out, gpio); + gpio_reg_set_bit(regs->data_out, gpio); else - gpio_reg_clear_bit(®s->data_out, gpio); + gpio_reg_clear_bit(regs->data_out, gpio); - gpio_reg_clear_bit(®s->direction, gpio); + gpio_reg_clear_bit(regs->direction, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -124,7 +124,7 @@ static int tnetv107x_gpio_get(struct gpio_chip *chip, unsigned offset) unsigned gpio = chip->base + offset; int ret; - ret = gpio_reg_get_bit(®s->data_in, gpio); + ret = gpio_reg_get_bit(regs->data_in, gpio); return ret ? 1 : 0; } @@ -140,9 +140,9 @@ static void tnetv107x_gpio_set(struct gpio_chip *chip, spin_lock_irqsave(&ctlr->lock, flags); if (value) - gpio_reg_set_bit(®s->data_out, gpio); + gpio_reg_set_bit(regs->data_out, gpio); else - gpio_reg_clear_bit(®s->data_out, gpio); + gpio_reg_clear_bit(regs->data_out, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); } diff --git a/arch/arm/mach-davinci/include/mach/clkdev.h b/arch/arm/mach-davinci/include/mach/clkdev.h index 730c49d1ebd8..14a504887189 100644 --- a/arch/arm/mach-davinci/include/mach/clkdev.h +++ b/arch/arm/mach-davinci/include/mach/clkdev.h @@ -1,6 +1,8 @@ #ifndef __MACH_CLKDEV_H #define __MACH_CLKDEV_H +struct clk; + static inline int __clk_get(struct clk *clk) { return 1; diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h index 22eb97c1c30b..78822723f382 100644 --- a/arch/arm/mach-davinci/include/mach/memory.h +++ b/arch/arm/mach-davinci/include/mach/memory.h @@ -26,9 +26,9 @@ #if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx) #error Cannot enable DaVinci and DA8XX platforms concurrently #elif defined(CONFIG_ARCH_DAVINCI_DA8XX) -#define PHYS_OFFSET DA8XX_DDR_BASE +#define PLAT_PHYS_OFFSET DA8XX_DDR_BASE #else -#define PHYS_OFFSET DAVINCI_DDR_BASE +#define PLAT_PHYS_OFFSET DAVINCI_DDR_BASE #endif #define DDR2_SDRCR_OFFSET 0xc diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig index a4ed3900912a..dd937c526a45 100644 --- a/arch/arm/mach-dove/Kconfig +++ b/arch/arm/mach-dove/Kconfig @@ -9,7 +9,7 @@ config MACH_DOVE_DB Say 'Y' here if you want your kernel to support the Marvell DB-MV88AP510 Development Board. - config MACH_CM_A510 +config MACH_CM_A510 bool "CompuLab CM-A510 Board" help Say 'Y' here if you want your kernel to support the diff --git a/arch/arm/mach-dove/include/mach/memory.h b/arch/arm/mach-dove/include/mach/memory.h index d66872074946..bbc93fee6c75 100644 --- a/arch/arm/mach-dove/include/mach/memory.h +++ b/arch/arm/mach-dove/include/mach/memory.h @@ -5,6 +5,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-ebsa110/include/mach/memory.h b/arch/arm/mach-ebsa110/include/mach/memory.h index 0ca66d080c69..8e49066ad850 100644 --- a/arch/arm/mach-ebsa110/include/mach/memory.h +++ b/arch/arm/mach-ebsa110/include/mach/memory.h @@ -19,7 +19,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) /* * Cache flushing area - SRAM diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index ffdf87be2958..82079545adc4 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -838,7 +838,7 @@ EXPORT_SYMBOL(ep93xx_i2s_release); static struct resource ep93xx_ac97_resources[] = { { .start = EP93XX_AAC_PHYS_BASE, - .end = EP93XX_AAC_PHYS_BASE + 0xb0 - 1, + .end = EP93XX_AAC_PHYS_BASE + 0xac - 1, .flags = IORESOURCE_MEM, }, { diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c index 4b0431652131..9969bb115f60 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c +++ b/arch/arm/mach-ep93xx/edb93xx.c @@ -30,8 +30,13 @@ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/i2c-gpio.h> +#include <linux/spi/spi.h> + +#include <sound/cs4271.h> #include <mach/hardware.h> +#include <mach/fb.h> +#include <mach/ep93xx_spi.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -93,6 +98,83 @@ static void __init edb93xx_register_i2c(void) /************************************************************************* + * EDB93xx SPI peripheral handling + *************************************************************************/ +static struct cs4271_platform_data edb93xx_cs4271_data = { + .gpio_nreset = -EINVAL, /* filled in later */ +}; + +static int edb93xx_cs4271_hw_setup(struct spi_device *spi) +{ + return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6, + GPIOF_OUT_INIT_HIGH, spi->modalias); +} + +static void edb93xx_cs4271_hw_cleanup(struct spi_device *spi) +{ + gpio_free(EP93XX_GPIO_LINE_EGPIO6); +} + +static void edb93xx_cs4271_hw_cs_control(struct spi_device *spi, int value) +{ + gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value); +} + +static struct ep93xx_spi_chip_ops edb93xx_cs4271_hw = { + .setup = edb93xx_cs4271_hw_setup, + .cleanup = edb93xx_cs4271_hw_cleanup, + .cs_control = edb93xx_cs4271_hw_cs_control, +}; + +static struct spi_board_info edb93xx_spi_board_info[] __initdata = { + { + .modalias = "cs4271", + .platform_data = &edb93xx_cs4271_data, + .controller_data = &edb93xx_cs4271_hw, + .max_speed_hz = 6000000, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_3, + }, +}; + +static struct ep93xx_spi_info edb93xx_spi_info __initdata = { + .num_chipselect = ARRAY_SIZE(edb93xx_spi_board_info), +}; + +static void __init edb93xx_register_spi(void) +{ + if (machine_is_edb9301() || machine_is_edb9302()) + edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1; + else if (machine_is_edb9302a() || machine_is_edb9307a()) + edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2); + else if (machine_is_edb9315a()) + edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14; + + ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info, + ARRAY_SIZE(edb93xx_spi_board_info)); +} + + +/************************************************************************* + * EDB93xx I2S + *************************************************************************/ +static int __init edb93xx_has_audio(void) +{ + return (machine_is_edb9301() || machine_is_edb9302() || + machine_is_edb9302a() || machine_is_edb9307a() || + machine_is_edb9315a()); +} + +static void __init edb93xx_register_i2s(void) +{ + if (edb93xx_has_audio()) { + ep93xx_register_i2s(); + } +} + + +/************************************************************************* * EDB93xx pwm *************************************************************************/ static void __init edb93xx_register_pwm(void) @@ -111,13 +193,47 @@ static void __init edb93xx_register_pwm(void) } +/************************************************************************* + * EDB93xx framebuffer + *************************************************************************/ +static struct ep93xxfb_mach_info __initdata edb93xxfb_info = { + .num_modes = EP93XXFB_USE_MODEDB, + .bpp = 16, + .flags = 0, +}; + +static int __init edb93xx_has_fb(void) +{ + /* These platforms have an ep93xx with video capability */ + return machine_is_edb9307() || machine_is_edb9307a() || + machine_is_edb9312() || machine_is_edb9315() || + machine_is_edb9315a(); +} + +static void __init edb93xx_register_fb(void) +{ + if (!edb93xx_has_fb()) + return; + + if (machine_is_edb9307a() || machine_is_edb9315a()) + edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0; + else + edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3; + + ep93xx_register_fb(&edb93xxfb_info); +} + + static void __init edb93xx_init_machine(void) { ep93xx_init_devices(); edb93xx_register_flash(); ep93xx_register_eth(&edb93xx_eth_data, 1); edb93xx_register_i2c(); + edb93xx_register_spi(); + edb93xx_register_i2s(); edb93xx_register_pwm(); + edb93xx_register_fb(); } diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c index f3dc76fdcea8..a889fa7c3ba1 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/arch/arm/mach-ep93xx/gpio.c @@ -61,7 +61,7 @@ static inline void ep93xx_gpio_int_mask(unsigned line) gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7)); } -void ep93xx_gpio_int_debounce(unsigned int irq, int enable) +static void ep93xx_gpio_int_debounce(unsigned int irq, bool enable) { int line = irq_to_gpio(irq); int port = line >> 3; @@ -75,7 +75,6 @@ void ep93xx_gpio_int_debounce(unsigned int irq, int enable) __raw_writeb(gpio_int_debounce[port], EP93XX_GPIO_REG(int_debounce_register_offset[port])); } -EXPORT_SYMBOL(ep93xx_gpio_int_debounce); static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) { @@ -335,6 +334,20 @@ static void ep93xx_gpio_set(struct gpio_chip *chip, unsigned offset, int val) local_irq_restore(flags); } +static int ep93xx_gpio_set_debounce(struct gpio_chip *chip, + unsigned offset, unsigned debounce) +{ + int gpio = chip->base + offset; + int irq = gpio_to_irq(gpio); + + if (irq < 0) + return -EINVAL; + + ep93xx_gpio_int_debounce(irq, debounce ? true : false); + + return 0; +} + static void ep93xx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); @@ -427,6 +440,25 @@ void __init ep93xx_gpio_init(void) { int i; - for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) - gpiochip_add(&ep93xx_gpio_banks[i].chip); + /* Set Ports C, D, E, G, and H for GPIO use */ + ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS | + EP93XX_SYSCON_DEVCFG_GONK | + EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); + + for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) { + struct gpio_chip *chip = &ep93xx_gpio_banks[i].chip; + + /* + * Ports A, B, and F support input debouncing when + * used as interrupts. + */ + if (!strcmp(chip->label, "A") || + !strcmp(chip->label, "B") || + !strcmp(chip->label, "F")) + chip->set_debounce = ep93xx_gpio_set_debounce; + + gpiochip_add(chip); + } } diff --git a/arch/arm/mach-ep93xx/include/mach/gpio.h b/arch/arm/mach-ep93xx/include/mach/gpio.h index c991b149bdf2..c57152c231f1 100644 --- a/arch/arm/mach-ep93xx/include/mach/gpio.h +++ b/arch/arm/mach-ep93xx/include/mach/gpio.h @@ -99,8 +99,6 @@ /* maximum value for irq capable line identifiers */ #define EP93XX_GPIO_LINE_MAX_IRQ EP93XX_GPIO_LINE_F(7) -extern void ep93xx_gpio_int_debounce(unsigned int irq, int enable); - /* new generic GPIO API - see Documentation/gpio.txt */ #include <asm-generic/gpio.h> diff --git a/arch/arm/mach-ep93xx/include/mach/memory.h b/arch/arm/mach-ep93xx/include/mach/memory.h index 554064e90307..c9400cf0051c 100644 --- a/arch/arm/mach-ep93xx/include/mach/memory.h +++ b/arch/arm/mach-ep93xx/include/mach/memory.h @@ -6,15 +6,15 @@ #define __ASM_ARCH_MEMORY_H #if defined(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #elif defined(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) -#define PHYS_OFFSET UL(0xc0000000) +#define PLAT_PHYS_OFFSET UL(0xc0000000) #elif defined(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) -#define PHYS_OFFSET UL(0xd0000000) +#define PLAT_PHYS_OFFSET UL(0xd0000000) #elif defined(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) -#define PHYS_OFFSET UL(0xe0000000) +#define PLAT_PHYS_OFFSET UL(0xe0000000) #elif defined(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) -#define PHYS_OFFSET UL(0xf0000000) +#define PLAT_PHYS_OFFSET UL(0xf0000000) #else #error "Kconfig bug: No EP93xx PHYS_OFFSET set" #endif diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index bc5e83fb5819..a921fe92b858 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -4,10 +4,11 @@ * Copyright (C) 1998 Russell King. * Copyright (C) 1998 Phil Blundell */ +#include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/spinlock.h> #include <asm/irq.h> @@ -16,32 +17,76 @@ #include "common.h" -/* - * Footbridge timer 1 support. - */ -static unsigned long timer1_latch; +static cycle_t cksrc_dc21285_read(struct clocksource *cs) +{ + return cs->mask - *CSR_TIMER2_VALUE; +} -static unsigned long timer1_gettimeoffset (void) +static int cksrc_dc21285_enable(struct clocksource *cs) { - unsigned long value = timer1_latch - *CSR_TIMER1_VALUE; + *CSR_TIMER2_LOAD = cs->mask; + *CSR_TIMER2_CLR = 0; + *CSR_TIMER2_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_DIV16; + return 0; +} - return ((tick_nsec / 1000) * value) / timer1_latch; +static int cksrc_dc21285_disable(struct clocksource *cs) +{ + *CSR_TIMER2_CNTL = 0; } -static irqreturn_t -timer1_interrupt(int irq, void *dev_id) +static struct clocksource cksrc_dc21285 = { + .name = "dc21285_timer2", + .rating = 200, + .read = cksrc_dc21285_read, + .enable = cksrc_dc21285_enable, + .disable = cksrc_dc21285_disable, + .mask = CLOCKSOURCE_MASK(24), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static void ckevt_dc21285_set_mode(enum clock_event_mode mode, + struct clock_event_device *c) { + switch (mode) { + case CLOCK_EVT_MODE_RESUME: + case CLOCK_EVT_MODE_PERIODIC: + *CSR_TIMER1_CLR = 0; + *CSR_TIMER1_LOAD = (mem_fclk_21285 + 8 * HZ) / (16 * HZ); + *CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD | + TIMER_CNTL_DIV16; + break; + + default: + *CSR_TIMER1_CNTL = 0; + break; + } +} + +static struct clock_event_device ckevt_dc21285 = { + .name = "dc21285_timer1", + .features = CLOCK_EVT_FEAT_PERIODIC, + .rating = 200, + .irq = IRQ_TIMER1, + .set_mode = ckevt_dc21285_set_mode, +}; + +static irqreturn_t timer1_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *ce = dev_id; + *CSR_TIMER1_CLR = 0; - timer_tick(); + ce->event_handler(ce); return IRQ_HANDLED; } static struct irqaction footbridge_timer_irq = { - .name = "Timer1 timer tick", + .name = "dc21285_timer1", .handler = timer1_interrupt, .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .dev_id = &ckevt_dc21285, }; /* @@ -49,16 +94,19 @@ static struct irqaction footbridge_timer_irq = { */ static void __init footbridge_timer_init(void) { - timer1_latch = (mem_fclk_21285 + 8 * HZ) / (16 * HZ); + struct clock_event_device *ce = &ckevt_dc21285; + + clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16); + + setup_irq(ce->irq, &footbridge_timer_irq); - *CSR_TIMER1_CLR = 0; - *CSR_TIMER1_LOAD = timer1_latch; - *CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD | TIMER_CNTL_DIV16; + clockevents_calc_mult_shift(ce, mem_fclk_21285, 5); + ce->max_delta_ns = clockevent_delta2ns(0xffffff, ce); + ce->min_delta_ns = clockevent_delta2ns(0x000004, ce); - setup_irq(IRQ_TIMER1, &footbridge_timer_irq); + clockevents_register_device(ce); } struct sys_timer footbridge_timer = { .init = footbridge_timer_init, - .offset = timer1_gettimeoffset, }; diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S index 3c9e0c40c679..30b971d65815 100644 --- a/arch/arm/mach-footbridge/include/mach/debug-macro.S +++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S @@ -17,8 +17,8 @@ /* For NetWinder debugging */ .macro addruart, rp, rv mov \rp, #0x000003f8 - orr \rv, \rp, #0x7c000000 @ physical - orr \rp, \rp, #0xff000000 @ virtual + orr \rv, \rp, #0xff000000 @ virtual + orr \rp, \rp, #0x7c000000 @ physical .endm #define UART_SHIFT 0 diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h index 51dd902043ad..b6fdf23ecf6c 100644 --- a/arch/arm/mach-footbridge/include/mach/hardware.h +++ b/arch/arm/mach-footbridge/include/mach/hardware.h @@ -23,26 +23,33 @@ * 0xf9000000 0x50000000 1MB Cache flush * 0xf0000000 0x80000000 16MB ISA memory */ + +#ifdef CONFIG_MMU +#define MMU_IO(a, b) (a) +#else +#define MMU_IO(a, b) (b) +#endif + #define XBUS_SIZE 0x00100000 -#define XBUS_BASE 0xff800000 +#define XBUS_BASE MMU_IO(0xff800000, 0x40000000) #define ARMCSR_SIZE 0x00100000 -#define ARMCSR_BASE 0xfe000000 +#define ARMCSR_BASE MMU_IO(0xfe000000, 0x42000000) #define WFLUSH_SIZE 0x00100000 -#define WFLUSH_BASE 0xfd000000 +#define WFLUSH_BASE MMU_IO(0xfd000000, 0x78000000) #define PCIIACK_SIZE 0x00100000 -#define PCIIACK_BASE 0xfc000000 +#define PCIIACK_BASE MMU_IO(0xfc000000, 0x79000000) #define PCICFG1_SIZE 0x01000000 -#define PCICFG1_BASE 0xfb000000 +#define PCICFG1_BASE MMU_IO(0xfb000000, 0x7a000000) #define PCICFG0_SIZE 0x01000000 -#define PCICFG0_BASE 0xfa000000 +#define PCICFG0_BASE MMU_IO(0xfa000000, 0x7b000000) #define PCIMEM_SIZE 0x01000000 -#define PCIMEM_BASE 0xf0000000 +#define PCIMEM_BASE MMU_IO(0xf0000000, 0x80000000) #define XBUS_LEDS ((volatile unsigned char *)(XBUS_BASE + 0x12000)) #define XBUS_LED_AMBER (1 << 0) diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h index 101a4fe90bde..32e4cc397c28 100644 --- a/arch/arm/mach-footbridge/include/mach/io.h +++ b/arch/arm/mach-footbridge/include/mach/io.h @@ -14,8 +14,14 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define PCIO_SIZE 0x00100000 -#define PCIO_BASE 0xff000000 +#ifdef CONFIG_MMU +#define MMU_IO(a, b) (a) +#else +#define MMU_IO(a, b) (b) +#endif + +#define PCIO_SIZE 0x00100000 +#define PCIO_BASE MMU_IO(0xff000000, 0x7c000000) #define IO_SPACE_LIMIT 0xffff diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h index 8d64f4574087..5c6df377f969 100644 --- a/arch/arm/mach-footbridge/include/mach/memory.h +++ b/arch/arm/mach-footbridge/include/mach/memory.h @@ -62,7 +62,7 @@ extern unsigned long __bus_to_pfn(unsigned long); /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #define FLUSH_BASE_PHYS 0x50000000 diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c index f488fa2082d7..441c6ce0d555 100644 --- a/arch/arm/mach-footbridge/isa-timer.c +++ b/arch/arm/mach-footbridge/isa-timer.c @@ -4,10 +4,13 @@ * Copyright (C) 1998 Russell King. * Copyright (C) 1998 Phil Blundell */ +#include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/timex.h> #include <asm/irq.h> @@ -15,77 +18,115 @@ #include "common.h" -/* - * ISA timer tick support - */ -#define mSEC_10_from_14 ((14318180 + 100) / 200) +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 + +#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) -static unsigned long isa_gettimeoffset(void) +static cycle_t pit_read(struct clocksource *cs) { + unsigned long flags; + static int old_count; + static u32 old_jifs; int count; + u32 jifs; - static int count_p = (mSEC_10_from_14/6); /* for the first call after boot */ - static unsigned long jiffies_p = 0; + raw_local_irq_save(flags); - /* - * cache volatile jiffies temporarily; we have IRQs turned off. - */ - unsigned long jiffies_t; + jifs = jiffies; + outb_p(0x00, PIT_MODE); /* latch the count */ + count = inb_p(PIT_CH0); /* read the latched count */ + count |= inb_p(PIT_CH0) << 8; - /* timer count may underflow right here */ - outb_p(0x00, 0x43); /* latch the count ASAP */ + if (count > old_count && jifs == old_jifs) + count = old_count; - count = inb_p(0x40); /* read the latched count */ + old_count = count; + old_jifs = jifs; - /* - * We do this guaranteed double memory access instead of a _p - * postfix in the previous port access. Wheee, hackady hack - */ - jiffies_t = jiffies; + raw_local_irq_restore(flags); - count |= inb_p(0x40) << 8; + count = (PIT_LATCH - 1) - count; - /* Detect timer underflows. If we haven't had a timer tick since - the last time we were called, and time is apparently going - backwards, the counter must have wrapped during this routine. */ - if ((jiffies_t == jiffies_p) && (count > count_p)) - count -= (mSEC_10_from_14/6); - else - jiffies_p = jiffies_t; + return (cycle_t)(jifs * PIT_LATCH) + count; +} - count_p = count; +static struct clocksource pit_cs = { + .name = "pit", + .rating = 110, + .read = pit_read, + .mask = CLOCKSOURCE_MASK(32), +}; - count = (((mSEC_10_from_14/6)-1) - count) * (tick_nsec / 1000); - count = (count + (mSEC_10_from_14/6)/2) / (mSEC_10_from_14/6); +static void pit_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + unsigned long flags; + + raw_local_irq_save(flags); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + outb_p(0x34, PIT_MODE); + outb_p(PIT_LATCH & 0xff, PIT_CH0); + outb_p(PIT_LATCH >> 8, PIT_CH0); + break; + + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + outb_p(0x30, PIT_MODE); + outb_p(0, PIT_CH0); + outb_p(0, PIT_CH0); + break; + + case CLOCK_EVT_MODE_ONESHOT: + case CLOCK_EVT_MODE_RESUME: + break; + } + local_irq_restore(flags); +} - return count; +static int pit_set_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + return 0; } -static irqreturn_t -isa_timer_interrupt(int irq, void *dev_id) +static struct clock_event_device pit_ce = { + .name = "pit", + .features = CLOCK_EVT_FEAT_PERIODIC, + .set_mode = pit_set_mode, + .set_next_event = pit_set_next_event, + .shift = 32, +}; + +static irqreturn_t pit_timer_interrupt(int irq, void *dev_id) { - timer_tick(); + struct clock_event_device *ce = dev_id; + ce->event_handler(ce); return IRQ_HANDLED; } -static struct irqaction isa_timer_irq = { - .name = "ISA timer tick", - .handler = isa_timer_interrupt, +static struct irqaction pit_timer_irq = { + .name = "pit", + .handler = pit_timer_interrupt, .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .dev_id = &pit_ce, }; static void __init isa_timer_init(void) { - /* enable PIT timer */ - /* set for periodic (4) and LSB/MSB write (0x30) */ - outb(0x34, 0x43); - outb((mSEC_10_from_14/6) & 0xFF, 0x40); - outb((mSEC_10_from_14/6) >> 8, 0x40); + pit_ce.cpumask = cpumask_of(smp_processor_id()); + pit_ce.mult = div_sc(PIT_TICK_RATE, NSEC_PER_SEC, pit_ce.shift); + pit_ce.max_delta_ns = clockevent_delta2ns(0x7fff, &pit_ce); + pit_ce.min_delta_ns = clockevent_delta2ns(0x000f, &pit_ce); + + clocksource_register_hz(&pit_cs, PIT_TICK_RATE); - setup_irq(IRQ_ISA_TIMER, &isa_timer_irq); + setup_irq(pit_ce.irq, &pit_timer_irq); + clockevents_register_device(&pit_ce); } struct sys_timer isa_timer = { .init = isa_timer_init, - .offset = isa_gettimeoffset, }; diff --git a/arch/arm/mach-gemini/board-nas4220b.c b/arch/arm/mach-gemini/board-nas4220b.c index 2ba096de0034..0cf7a07c3f3f 100644 --- a/arch/arm/mach-gemini/board-nas4220b.c +++ b/arch/arm/mach-gemini/board-nas4220b.c @@ -98,6 +98,7 @@ static void __init ib4220b_init(void) platform_register_pflash(SZ_16M, NULL, 0); platform_device_register(&ib4220b_led_device); platform_device_register(&ib4220b_key_device); + platform_register_rtc(); } MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") diff --git a/arch/arm/mach-gemini/board-rut1xx.c b/arch/arm/mach-gemini/board-rut1xx.c index a9a0d8b01942..4fa09af99495 100644 --- a/arch/arm/mach-gemini/board-rut1xx.c +++ b/arch/arm/mach-gemini/board-rut1xx.c @@ -82,6 +82,7 @@ static void __init rut1xx_init(void) platform_register_pflash(SZ_8M, NULL, 0); platform_device_register(&rut1xx_leds); platform_device_register(&rut1xx_keys_device); + platform_register_rtc(); } MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/arch/arm/mach-gemini/board-wbd111.c b/arch/arm/mach-gemini/board-wbd111.c index 8b88d50d4337..af7b68a6b258 100644 --- a/arch/arm/mach-gemini/board-wbd111.c +++ b/arch/arm/mach-gemini/board-wbd111.c @@ -130,6 +130,7 @@ static void __init wbd111_init(void) wbd111_num_partitions); platform_device_register(&wbd111_leds_device); platform_device_register(&wbd111_keys_device); + platform_register_rtc(); } MACHINE_START(WBD111, "Wiliboard WBD-111") diff --git a/arch/arm/mach-gemini/board-wbd222.c b/arch/arm/mach-gemini/board-wbd222.c index 1eebcecd1c33..99e5bbecf923 100644 --- a/arch/arm/mach-gemini/board-wbd222.c +++ b/arch/arm/mach-gemini/board-wbd222.c @@ -130,6 +130,7 @@ static void __init wbd222_init(void) wbd222_num_partitions); platform_device_register(&wbd222_leds_device); platform_device_register(&wbd222_keys_device); + platform_register_rtc(); } MACHINE_START(WBD222, "Wiliboard WBD-222") diff --git a/arch/arm/mach-gemini/common.h b/arch/arm/mach-gemini/common.h index 9392834a214f..7670c39acb2f 100644 --- a/arch/arm/mach-gemini/common.h +++ b/arch/arm/mach-gemini/common.h @@ -18,6 +18,7 @@ extern void gemini_map_io(void); extern void gemini_init_irq(void); extern void gemini_timer_init(void); extern void gemini_gpio_init(void); +extern void platform_register_rtc(void); /* Common platform devices registration functions */ extern int platform_register_uart(void); diff --git a/arch/arm/mach-gemini/devices.c b/arch/arm/mach-gemini/devices.c index 6b525253d027..5cff29818b73 100644 --- a/arch/arm/mach-gemini/devices.c +++ b/arch/arm/mach-gemini/devices.c @@ -90,3 +90,29 @@ int platform_register_pflash(unsigned int size, struct mtd_partition *parts, return platform_device_register(&pflash_device); } + +static struct resource gemini_rtc_resources[] = { + [0] = { + .start = GEMINI_RTC_BASE, + .end = GEMINI_RTC_BASE + 0x24, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_RTC, + .end = IRQ_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device gemini_rtc_device = { + .name = "rtc-gemini", + .id = 0, + .num_resources = ARRAY_SIZE(gemini_rtc_resources), + .resource = gemini_rtc_resources, +}; + +int __init platform_register_rtc(void) +{ + return platform_device_register(&gemini_rtc_device); +} + diff --git a/arch/arm/mach-gemini/include/mach/memory.h b/arch/arm/mach-gemini/include/mach/memory.h index 2d14d5bf1f9f..a50915f764d8 100644 --- a/arch/arm/mach-gemini/include/mach/memory.h +++ b/arch/arm/mach-gemini/include/mach/memory.h @@ -11,9 +11,9 @@ #define __MACH_MEMORY_H #ifdef CONFIG_GEMINI_MEM_SWAP -# define PHYS_OFFSET UL(0x00000000) +# define PLAT_PHYS_OFFSET UL(0x00000000) #else -# define PHYS_OFFSET UL(0x10000000) +# define PLAT_PHYS_OFFSET UL(0x10000000) #endif #endif /* __MACH_MEMORY_H */ diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h index ef4c1e26f18e..9d3687651462 100644 --- a/arch/arm/mach-h720x/include/mach/memory.h +++ b/arch/arm/mach-h720x/include/mach/memory.h @@ -7,7 +7,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x40000000) +#define PLAT_PHYS_OFFSET UL(0x40000000) /* * This is the maximum DMA address that can be DMAd to. * There should not be more than (0xd0000000 - 0xc0000000) diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index aa76cfd9f348..8382e7902078 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -180,7 +180,7 @@ static const uint32_t mx25pdk_keymap[] = { KEY(3, 3, KEY_POWER), }; -static const struct matrix_keymap_data mx25pdk_keymap_data __initdata = { +static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = { .keymap = mx25pdk_keymap, .keymap_size = ARRAY_SIZE(mx25pdk_keymap), }; diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h index 991f24d2c115..334d5e271889 100644 --- a/arch/arm/mach-integrator/include/mach/memory.h +++ b/arch/arm/mach-integrator/include/mach/memory.h @@ -23,7 +23,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #define BUS_OFFSET UL(0x80000000) #define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET) diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index 3ad455318868..1afa99ef97fa 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h @@ -6,7 +6,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #ifndef __ASSEMBLY__ diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h index c30f6450ad50..169cc239f76c 100644 --- a/arch/arm/mach-iop32x/include/mach/memory.h +++ b/arch/arm/mach-iop32x/include/mach/memory.h @@ -8,6 +8,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0xa0000000) +#define PLAT_PHYS_OFFSET UL(0xa0000000) #endif diff --git a/arch/arm/mach-iop33x/include/mach/memory.h b/arch/arm/mach-iop33x/include/mach/memory.h index a30a96aa6d2d..8e1daf7006b6 100644 --- a/arch/arm/mach-iop33x/include/mach/memory.h +++ b/arch/arm/mach-iop33x/include/mach/memory.h @@ -8,6 +8,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-ixp2000/include/mach/memory.h b/arch/arm/mach-ixp2000/include/mach/memory.h index 98e3471be15b..5f0c4fd4076a 100644 --- a/arch/arm/mach-ixp2000/include/mach/memory.h +++ b/arch/arm/mach-ixp2000/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #include <mach/ixp2000-regs.h> diff --git a/arch/arm/mach-ixp23xx/include/mach/memory.h b/arch/arm/mach-ixp23xx/include/mach/memory.h index 6ef65d813f16..6cf0704e946a 100644 --- a/arch/arm/mach-ixp23xx/include/mach/memory.h +++ b/arch/arm/mach-ixp23xx/include/mach/memory.h @@ -17,7 +17,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET (0x00000000) +#define PLAT_PHYS_OFFSET (0x00000000) #define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0) diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 4dc68d6bb6be..9fd894271d5d 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -432,7 +432,7 @@ static struct clocksource clocksource_ixp4xx = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -unsigned long ixp4xx_timer_freq = FREQ; +unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ; EXPORT_SYMBOL(ixp4xx_timer_freq); static void __init ixp4xx_clocksource_init(void) { @@ -496,7 +496,7 @@ static struct clock_event_device clockevent_ixp4xx = { static void __init ixp4xx_clockevent_init(void) { - clockevent_ixp4xx.mult = div_sc(FREQ, NSEC_PER_SEC, + clockevent_ixp4xx.mult = div_sc(IXP4XX_TIMER_FREQ, NSEC_PER_SEC, clockevent_ixp4xx.shift); clockevent_ixp4xx.max_delta_ns = clockevent_delta2ns(0xfffffffe, &clockevent_ixp4xx); diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h index 0136eaa29224..6d388c9d0e20 100644 --- a/arch/arm/mach-ixp4xx/include/mach/memory.h +++ b/arch/arm/mach-ixp4xx/include/mach/memory.h @@ -12,7 +12,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h index 2c3f93c3eb79..c9e930f29339 100644 --- a/arch/arm/mach-ixp4xx/include/mach/timex.h +++ b/arch/arm/mach-ixp4xx/include/mach/timex.h @@ -10,6 +10,7 @@ * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the * timer register ignores the bottom 2 bits of the LATCH value. */ -#define FREQ 66666000 -#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) +#define IXP4XX_TIMER_FREQ 66666000 +#define CLOCK_TICK_RATE \ + (((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) diff --git a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c b/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c index bfdbe4b5a3cc..852f7c9f87d0 100644 --- a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c +++ b/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c @@ -265,6 +265,11 @@ void qmgr_release_queue(unsigned int queue) qmgr_queue_descs[queue], queue); qmgr_queue_descs[queue][0] = '\x0'; #endif + + while ((addr = qmgr_get_entry(queue))) + printk(KERN_ERR "qmgr: released queue %i not empty: 0x%08X\n", + queue, addr); + __raw_writel(0, &qmgr_regs->sram[queue]); used_sram_bitmap[0] &= ~mask[0]; @@ -275,10 +280,6 @@ void qmgr_release_queue(unsigned int queue) spin_unlock_irq(&qmgr_lock); module_put(THIS_MODULE); - - while ((addr = qmgr_get_entry(queue))) - printk(KERN_ERR "qmgr: released queue %i not empty: 0x%08X\n", - queue, addr); } static int qmgr_init(void) diff --git a/arch/arm/mach-kirkwood/include/mach/memory.h b/arch/arm/mach-kirkwood/include/mach/memory.h index 45431e131465..4600b44e3ad3 100644 --- a/arch/arm/mach-kirkwood/include/mach/memory.h +++ b/arch/arm/mach-kirkwood/include/mach/memory.h @@ -5,6 +5,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h index bace9a681adc..f7e1b9bce345 100644 --- a/arch/arm/mach-ks8695/include/mach/memory.h +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -18,7 +18,7 @@ /* * Physical SRAM offset. */ -#define PHYS_OFFSET KS8695_SDRAM_PA +#define PLAT_PHYS_OFFSET KS8695_SDRAM_PA #ifndef __ASSEMBLY__ diff --git a/arch/arm/mach-loki/include/mach/memory.h b/arch/arm/mach-loki/include/mach/memory.h index 2ed7e6e732c2..66366657a875 100644 --- a/arch/arm/mach-loki/include/mach/memory.h +++ b/arch/arm/mach-loki/include/mach/memory.h @@ -5,6 +5,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-lpc32xx/include/mach/memory.h b/arch/arm/mach-lpc32xx/include/mach/memory.h index 044e1acecbe6..a647dd624afa 100644 --- a/arch/arm/mach-lpc32xx/include/mach/memory.h +++ b/arch/arm/mach-lpc32xx/include/mach/memory.h @@ -22,6 +22,6 @@ /* * Physical DRAM offset of bank 0 */ -#define PHYS_OFFSET UL(0x80000000) +#define PLAT_PHYS_OFFSET UL(0x80000000) #endif diff --git a/arch/arm/mach-mmp/include/mach/memory.h b/arch/arm/mach-mmp/include/mach/memory.h index bdb21d70714c..d68b50a2d6a0 100644 --- a/arch/arm/mach-mmp/include/mach/memory.h +++ b/arch/arm/mach-mmp/include/mach/memory.h @@ -9,6 +9,6 @@ #ifndef __ASM_MACH_MEMORY_H #define __ASM_MACH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif /* __ASM_MACH_MEMORY_H */ diff --git a/arch/arm/mach-msm/board-msm7x27.c b/arch/arm/mach-msm/board-msm7x27.c index e7a76eff57d9..08fcd40a8cbd 100644 --- a/arch/arm/mach-msm/board-msm7x27.c +++ b/arch/arm/mach-msm/board-msm7x27.c @@ -132,7 +132,7 @@ static void __init msm7x2x_map_io(void) MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x2x_map_io, .init_irq = msm7x2x_init_irq, .init_machine = msm7x2x_init, @@ -142,7 +142,7 @@ MACHINE_END MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x2x_map_io, .init_irq = msm7x2x_init_irq, .init_machine = msm7x2x_init, @@ -152,7 +152,7 @@ MACHINE_END MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x2x_map_io, .init_irq = msm7x2x_init_irq, .init_machine = msm7x2x_init, @@ -162,7 +162,7 @@ MACHINE_END MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x2x_map_io, .init_irq = msm7x2x_init_irq, .init_machine = msm7x2x_init, diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index 6f3b9735e970..25db8fd71a70 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -26,11 +26,11 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <asm/memory.h> #include <asm/setup.h> #include <mach/gpio.h> #include <mach/board.h> -#include <mach/memory.h> #include <mach/msm_iomap.h> #include <mach/dma.h> @@ -85,7 +85,7 @@ static void __init msm7x30_map_io(void) MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, @@ -95,7 +95,7 @@ MACHINE_END MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, @@ -105,7 +105,7 @@ MACHINE_END MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index 6dde8185205f..15c2bbd2ef81 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -118,7 +118,7 @@ static void __init qsd8x50_init(void) MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = qsd8x50_map_io, .init_irq = qsd8x50_init_irq, .init_machine = qsd8x50_init, @@ -128,7 +128,7 @@ MACHINE_END MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = qsd8x50_map_io, .init_irq = qsd8x50_init_irq, .init_machine = qsd8x50_init, diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c index 8919ffb17196..83604f526f0f 100644 --- a/arch/arm/mach-msm/board-sapphire.c +++ b/arch/arm/mach-msm/board-sapphire.c @@ -107,7 +107,7 @@ MACHINE_START(SAPPHIRE, "sapphire") /* Maintainer: Brian Swetland <swetland@google.com> */ #ifdef CONFIG_MSM_DEBUG_UART #endif - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, .fixup = sapphire_fixup, .map_io = sapphire_map_io, .init_irq = sapphire_init_irq, diff --git a/arch/arm/mach-msm/include/mach/memory.h b/arch/arm/mach-msm/include/mach/memory.h index 070e17d237f1..176875df241f 100644 --- a/arch/arm/mach-msm/include/mach/memory.h +++ b/arch/arm/mach-msm/include/mach/memory.h @@ -18,15 +18,15 @@ /* physical offset of RAM */ #if defined(CONFIG_ARCH_QSD8X50) && defined(CONFIG_MSM_SOC_REV_A) -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #elif defined(CONFIG_ARCH_QSD8X50) -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #elif defined(CONFIG_ARCH_MSM7X30) -#define PHYS_OFFSET UL(0x00200000) +#define PLAT_PHYS_OFFSET UL(0x00200000) #elif defined(CONFIG_ARCH_MSM8X60) -#define PHYS_OFFSET UL(0x40200000) +#define PLAT_PHYS_OFFSET UL(0x40200000) #else -#define PHYS_OFFSET UL(0x10000000) +#define PLAT_PHYS_OFFSET UL(0x10000000) #endif #endif diff --git a/arch/arm/mach-mv78xx0/include/mach/memory.h b/arch/arm/mach-mv78xx0/include/mach/memory.h index e663042d307f..a648c51f2e42 100644 --- a/arch/arm/mach-mv78xx0/include/mach/memory.h +++ b/arch/arm/mach-mv78xx0/include/mach/memory.h @@ -5,6 +5,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-mx3/mach-kzm_arm11_01.c b/arch/arm/mach-mx3/mach-kzm_arm11_01.c index a5f3eb24e4d5..df1a6ce8e3e1 100644 --- a/arch/arm/mach-mx3/mach-kzm_arm11_01.c +++ b/arch/arm/mach-mx3/mach-kzm_arm11_01.c @@ -27,6 +27,7 @@ #include <asm/irq.h> #include <asm/mach-types.h> +#include <asm/memory.h> #include <asm/setup.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> @@ -36,7 +37,6 @@ #include <mach/clock.h> #include <mach/common.h> #include <mach/iomux-mx3.h> -#include <mach/memory.h> #include "devices-imx31.h" #include "devices.h" diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index b1a362ebfded..ca72a05ed9c1 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -304,7 +304,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ reg &= ~BM_CLKCTRL_##dr##_DIV; \ reg |= div << BP_CLKCTRL_##dr##_DIV; \ - if (reg | (1 << clk->enable_shift)) { \ + if (reg & (1 << clk->enable_shift)) { \ pr_err("%s: clock is gated\n", __func__); \ return -EINVAL; \ } \ @@ -347,7 +347,7 @@ static int name##_set_parent(struct clk *clk, struct clk *parent) \ { \ if (parent != clk->parent) { \ __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ - HW_CLKCTRL_CLKSEQ_TOG); \ + CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ clk->parent = parent; \ } \ \ diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 56312c092a9e..fd1c4c54b8e5 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -355,12 +355,12 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ } else { \ reg &= ~BM_CLKCTRL_##dr##_DIV; \ reg |= div << BP_CLKCTRL_##dr##_DIV; \ - if (reg | (1 << clk->enable_shift)) { \ + if (reg & (1 << clk->enable_shift)) { \ pr_err("%s: clock is gated\n", __func__); \ return -EINVAL; \ } \ } \ - __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU); \ + __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ \ for (i = 10000; i; i--) \ if (!(__raw_readl(CLKCTRL_BASE_ADDR + \ @@ -483,7 +483,7 @@ static int name##_set_parent(struct clk *clk, struct clk *parent) \ { \ if (parent != clk->parent) { \ __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ - HW_CLKCTRL_CLKSEQ_TOG); \ + CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ clk->parent = parent; \ } \ \ @@ -609,7 +609,6 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("duart", NULL, uart_clk) _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) - _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK("rtc", NULL, rtc_clk) _REGISTER_CLOCK("pll2", NULL, pll2_clk) _REGISTER_CLOCK(NULL, "hclk", hbus_clk) diff --git a/arch/arm/mach-mxs/clock.c b/arch/arm/mach-mxs/clock.c index e7d2269cf70e..a7093c88e6a6 100644 --- a/arch/arm/mach-mxs/clock.c +++ b/arch/arm/mach-mxs/clock.c @@ -57,7 +57,6 @@ static void __clk_disable(struct clk *clk) if (clk->disable) clk->disable(clk); __clk_disable(clk->parent); - __clk_disable(clk->secondary); } } @@ -68,7 +67,6 @@ static int __clk_enable(struct clk *clk) if (clk->usecount++ == 0) { __clk_enable(clk->parent); - __clk_enable(clk->secondary); if (clk->enable) clk->enable(clk); diff --git a/arch/arm/mach-mxs/gpio.c b/arch/arm/mach-mxs/gpio.c index d7ad7a61366d..61991e4dde44 100644 --- a/arch/arm/mach-mxs/gpio.c +++ b/arch/arm/mach-mxs/gpio.c @@ -68,29 +68,29 @@ static void set_gpio_irqenable(struct mxs_gpio_port *port, u32 index, } } -static void mxs_gpio_ack_irq(u32 irq) +static void mxs_gpio_ack_irq(struct irq_data *d) { - u32 gpio = irq_to_gpio(irq); + u32 gpio = irq_to_gpio(d->irq); clear_gpio_irqstatus(&mxs_gpio_ports[gpio / 32], gpio & 0x1f); } -static void mxs_gpio_mask_irq(u32 irq) +static void mxs_gpio_mask_irq(struct irq_data *d) { - u32 gpio = irq_to_gpio(irq); + u32 gpio = irq_to_gpio(d->irq); set_gpio_irqenable(&mxs_gpio_ports[gpio / 32], gpio & 0x1f, 0); } -static void mxs_gpio_unmask_irq(u32 irq) +static void mxs_gpio_unmask_irq(struct irq_data *d) { - u32 gpio = irq_to_gpio(irq); + u32 gpio = irq_to_gpio(d->irq); set_gpio_irqenable(&mxs_gpio_ports[gpio / 32], gpio & 0x1f, 1); } static int mxs_gpio_get(struct gpio_chip *chip, unsigned offset); -static int mxs_gpio_set_irq_type(u32 irq, u32 type) +static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type) { - u32 gpio = irq_to_gpio(irq); + u32 gpio = irq_to_gpio(d->irq); u32 pin_mask = 1 << (gpio & 31); struct mxs_gpio_port *port = &mxs_gpio_ports[gpio / 32]; void __iomem *pin_addr; @@ -139,6 +139,8 @@ static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) struct mxs_gpio_port *port = (struct mxs_gpio_port *)get_irq_data(irq); u32 gpio_irq_no_base = port->virtual_irq_start; + desc->irq_data.chip->irq_ack(&desc->irq_data); + irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) & __raw_readl(port->base + PINCTRL_IRQEN(port->id)); @@ -158,9 +160,9 @@ static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) * @param enable enable as wake-up if equal to non-zero * @return This function returns 0 on success. */ -static int mxs_gpio_set_wake_irq(u32 irq, u32 enable) +static int mxs_gpio_set_wake_irq(struct irq_data *d, unsigned int enable) { - u32 gpio = irq_to_gpio(irq); + u32 gpio = irq_to_gpio(d->irq); u32 gpio_idx = gpio & 0x1f; struct mxs_gpio_port *port = &mxs_gpio_ports[gpio / 32]; @@ -180,11 +182,11 @@ static int mxs_gpio_set_wake_irq(u32 irq, u32 enable) } static struct irq_chip gpio_irq_chip = { - .ack = mxs_gpio_ack_irq, - .mask = mxs_gpio_mask_irq, - .unmask = mxs_gpio_unmask_irq, - .set_type = mxs_gpio_set_irq_type, - .set_wake = mxs_gpio_set_wake_irq, + .irq_ack = mxs_gpio_ack_irq, + .irq_mask = mxs_gpio_mask_irq, + .irq_unmask = mxs_gpio_unmask_irq, + .irq_set_type = mxs_gpio_set_irq_type, + .irq_set_wake = mxs_gpio_set_wake_irq, }; static void mxs_set_gpio_direction(struct gpio_chip *chip, unsigned offset, diff --git a/arch/arm/mach-mxs/icoll.c b/arch/arm/mach-mxs/icoll.c index 5dd43ba70058..0f4c120fc169 100644 --- a/arch/arm/mach-mxs/icoll.c +++ b/arch/arm/mach-mxs/icoll.c @@ -34,7 +34,7 @@ static void __iomem *icoll_base = MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR); -static void icoll_ack_irq(unsigned int irq) +static void icoll_ack_irq(struct irq_data *d) { /* * The Interrupt Collector is able to prioritize irqs. @@ -45,22 +45,22 @@ static void icoll_ack_irq(unsigned int irq) icoll_base + HW_ICOLL_LEVELACK); } -static void icoll_mask_irq(unsigned int irq) +static void icoll_mask_irq(struct irq_data *d) { __raw_writel(BM_ICOLL_INTERRUPTn_ENABLE, - icoll_base + HW_ICOLL_INTERRUPTn_CLR(irq)); + icoll_base + HW_ICOLL_INTERRUPTn_CLR(d->irq)); } -static void icoll_unmask_irq(unsigned int irq) +static void icoll_unmask_irq(struct irq_data *d) { __raw_writel(BM_ICOLL_INTERRUPTn_ENABLE, - icoll_base + HW_ICOLL_INTERRUPTn_SET(irq)); + icoll_base + HW_ICOLL_INTERRUPTn_SET(d->irq)); } static struct irq_chip mxs_icoll_chip = { - .ack = icoll_ack_irq, - .mask = icoll_mask_irq, - .unmask = icoll_unmask_irq, + .irq_ack = icoll_ack_irq, + .irq_mask = icoll_mask_irq, + .irq_unmask = icoll_unmask_irq, }; void __init icoll_init_irq(void) diff --git a/arch/arm/mach-mxs/include/mach/clock.h b/arch/arm/mach-mxs/include/mach/clock.h index 041e276d8a32..592c9ab5d760 100644 --- a/arch/arm/mach-mxs/include/mach/clock.h +++ b/arch/arm/mach-mxs/include/mach/clock.h @@ -29,8 +29,6 @@ struct clk { int id; /* Source clock this clk depends on */ struct clk *parent; - /* Secondary clock to enable/disable with this clock */ - struct clk *secondary; /* Reference count of clock enable/disable */ __s8 usecount; /* Register bit position for clock's enable/disable control. */ diff --git a/arch/arm/mach-netx/include/mach/memory.h b/arch/arm/mach-netx/include/mach/memory.h index 9a363f297f90..59561496c36e 100644 --- a/arch/arm/mach-netx/include/mach/memory.h +++ b/arch/arm/mach-netx/include/mach/memory.h @@ -20,7 +20,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x80000000) +#define PLAT_PHYS_OFFSET UL(0x80000000) #endif diff --git a/arch/arm/mach-nomadik/include/mach/memory.h b/arch/arm/mach-nomadik/include/mach/memory.h index 1e5689d98ecd..d3325211ba6a 100644 --- a/arch/arm/mach-nomadik/include/mach/memory.h +++ b/arch/arm/mach-nomadik/include/mach/memory.h @@ -23,6 +23,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-ns9xxx/include/mach/memory.h b/arch/arm/mach-ns9xxx/include/mach/memory.h index 6107193adbfe..5c65aee6e7a9 100644 --- a/arch/arm/mach-ns9xxx/include/mach/memory.h +++ b/arch/arm/mach-ns9xxx/include/mach/memory.h @@ -19,6 +19,6 @@ #define NS9XXX_CS2STAT_LENGTH UL(0x1000) #define NS9XXX_CS3STAT_LENGTH UL(0x1000) -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-nuc93x/include/mach/memory.h b/arch/arm/mach-nuc93x/include/mach/memory.h index 323ab0db3f7d..ef9864b002a6 100644 --- a/arch/arm/mach-nuc93x/include/mach/memory.h +++ b/arch/arm/mach-nuc93x/include/mach/memory.h @@ -16,6 +16,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 8d2f2daba0c0..e0a028161dde 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -9,6 +9,7 @@ config ARCH_OMAP730 depends on ARCH_OMAP1 bool "OMAP730 Based System" select CPU_ARM926T + select OMAP_MPU_TIMER select ARCH_OMAP_OTG config ARCH_OMAP850 @@ -22,6 +23,7 @@ config ARCH_OMAP15XX default y bool "OMAP15xx Based System" select CPU_ARM925T + select OMAP_MPU_TIMER config ARCH_OMAP16XX depends on ARCH_OMAP1 diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index 6ee19504845f..ba6009f27677 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -3,12 +3,11 @@ # # Common support -obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o +obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o obj-y += clock.o clock_data.o opp_data.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o -obj-$(CONFIG_OMAP_MPU_TIMER) += time.o obj-$(CONFIG_OMAP_32K_TIMER) += timer32k.o # Power Management diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S index 6a0fa0462365..62856044eb63 100644 --- a/arch/arm/mach-omap1/include/mach/debug-macro.S +++ b/arch/arm/mach-omap1/include/mach/debug-macro.S @@ -17,6 +17,9 @@ #include <plat/serial.h> +#define omap_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET) +#define omap_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET) + .pushsection .data omap_uart_phys: .word 0x0 omap_uart_virt: .word 0x0 @@ -33,7 +36,7 @@ omap_uart_virt: .word 0x0 /* Use omap_uart_phys/virt if already configured */ 9: mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? - ldreq \rp, =__virt_to_phys(omap_uart_phys) @ MMU not enabled + ldreq \rp, =omap_uart_v2p(omap_uart_phys) @ MMU disabled ldrne \rp, =omap_uart_phys @ MMU enabled add \rv, \rp, #4 @ omap_uart_virt ldr \rp, [\rp, #0] @@ -46,7 +49,7 @@ omap_uart_virt: .word 0x0 mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? ldreq \rp, =OMAP_UART_INFO @ MMU not enabled - ldrne \rp, =__phys_to_virt(OMAP_UART_INFO) @ MMU enabled + ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled ldr \rp, [\rp, #0] /* Select the UART to use based on the UART1 scratchpad value */ @@ -73,7 +76,7 @@ omap_uart_virt: .word 0x0 98: add \rp, \rp, #0xff000000 @ phys base mrc p15, 0, \rv, c1, c0 tst \rv, #1 @ MMU enabled? - ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled + ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled ldrne \rv, =omap_uart_phys @ MMU enabled str \rp, [\rv, #0] sub \rp, \rp, #0xff000000 @ phys base diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S b/arch/arm/mach-omap1/include/mach/entry-macro.S index c9be6d4d83e2..bfb4fb1d7382 100644 --- a/arch/arm/mach-omap1/include/mach/entry-macro.S +++ b/arch/arm/mach-omap1/include/mach/entry-macro.S @@ -14,19 +14,6 @@ #include <mach/irqs.h> #include <asm/hardware/gic.h> -/* - * We use __glue to avoid errors with multiple definitions of - * .globl omap_irq_flags as it's included from entry-armv.S but not - * from entry-common.S. - */ -#ifdef __glue - .pushsection .data - .globl omap_irq_flags -omap_irq_flags: - .word 0 - .popsection -#endif - .macro disable_fiq .endm diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c index 47701584df35..731dd33bff51 100644 --- a/arch/arm/mach-omap1/irq.c +++ b/arch/arm/mach-omap1/irq.c @@ -57,6 +57,7 @@ struct omap_irq_bank { unsigned long wake_enable; }; +u32 omap_irq_flags; static unsigned int irq_bank_count; static struct omap_irq_bank *irq_banks; @@ -176,7 +177,6 @@ static struct irq_chip omap_irq_chip = { void __init omap_init_irq(void) { - extern unsigned int omap_irq_flags; int i, j; #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) diff --git a/arch/arm/mach-omap1/lcd_dma.c b/arch/arm/mach-omap1/lcd_dma.c index c9088d85da04..453809359ba6 100644 --- a/arch/arm/mach-omap1/lcd_dma.c +++ b/arch/arm/mach-omap1/lcd_dma.c @@ -37,7 +37,7 @@ int omap_lcd_dma_running(void) * On OMAP1510, internal LCD controller will start the transfer * when it gets enabled, so assume DMA running if LCD enabled. */ - if (cpu_is_omap1510()) + if (cpu_is_omap15xx()) if (omap_readw(OMAP_LCDC_CONTROL) & OMAP_LCDC_CTRL_LCD_EN) return 1; @@ -95,7 +95,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_single_transfer); void omap_set_lcd_dma_b1_rotation(int rotate) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA rotation is not supported in 1510 mode\n"); BUG(); return; @@ -106,7 +106,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_rotation); void omap_set_lcd_dma_b1_mirror(int mirror) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA mirror is not supported in 1510 mode\n"); BUG(); } @@ -116,7 +116,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_mirror); void omap_set_lcd_dma_b1_vxres(unsigned long vxres) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA virtual resulotion is not supported " "in 1510 mode\n"); BUG(); @@ -127,7 +127,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_vxres); void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA scale is not supported in 1510 mode\n"); BUG(); } @@ -177,7 +177,7 @@ static void set_b1_regs(void) bottom = PIXADDR(lcd_dma.xres - 1, lcd_dma.yres - 1); /* 1510 DMA requires the bottom address to be 2 more * than the actual last memory access location. */ - if (cpu_is_omap1510() && + if (cpu_is_omap15xx() && lcd_dma.data_type == OMAP_DMA_DATA_TYPE_S32) bottom += 2; ei = PIXSTEP(0, 0, 1, 0); @@ -241,7 +241,7 @@ static void set_b1_regs(void) return; /* Suppress warning about uninitialized vars */ } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { omap_writew(top >> 16, OMAP1510_DMA_LCD_TOP_F1_U); omap_writew(top, OMAP1510_DMA_LCD_TOP_F1_L); omap_writew(bottom >> 16, OMAP1510_DMA_LCD_BOT_F1_U); @@ -343,7 +343,7 @@ void omap_free_lcd_dma(void) BUG(); return; } - if (!cpu_is_omap1510()) + if (!cpu_is_omap15xx()) omap_writew(omap_readw(OMAP1610_DMA_LCD_CCR) & ~1, OMAP1610_DMA_LCD_CCR); lcd_dma.reserved = 0; @@ -360,7 +360,7 @@ void omap_enable_lcd_dma(void) * connected. Otherwise the OMAP internal controller will * start the transfer when it gets enabled. */ - if (cpu_is_omap1510() || !lcd_dma.ext_ctrl) + if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl) return; w = omap_readw(OMAP1610_DMA_LCD_CTRL); @@ -378,14 +378,14 @@ EXPORT_SYMBOL(omap_enable_lcd_dma); void omap_setup_lcd_dma(void) { BUG_ON(lcd_dma.active); - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { /* Set some reasonable defaults */ omap_writew(0x5440, OMAP1610_DMA_LCD_CCR); omap_writew(0x9102, OMAP1610_DMA_LCD_CSDP); omap_writew(0x0004, OMAP1610_DMA_LCD_LCH_CTRL); } set_b1_regs(); - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { u16 w; w = omap_readw(OMAP1610_DMA_LCD_CCR); @@ -407,7 +407,7 @@ void omap_stop_lcd_dma(void) u16 w; lcd_dma.active = 0; - if (cpu_is_omap1510() || !lcd_dma.ext_ctrl) + if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl) return; w = omap_readw(OMAP1610_DMA_LCD_CCR); diff --git a/arch/arm/mach-omap1/pm.h b/arch/arm/mach-omap1/pm.h index 56a647986ae9..cd926dcb5e7f 100644 --- a/arch/arm/mach-omap1/pm.h +++ b/arch/arm/mach-omap1/pm.h @@ -123,9 +123,9 @@ extern void allow_idle_sleep(void); extern void omap1_pm_idle(void); extern void omap1_pm_suspend(void); -extern void omap7xx_cpu_suspend(unsigned short, unsigned short); -extern void omap1510_cpu_suspend(unsigned short, unsigned short); -extern void omap1610_cpu_suspend(unsigned short, unsigned short); +extern void omap7xx_cpu_suspend(unsigned long, unsigned long); +extern void omap1510_cpu_suspend(unsigned long, unsigned long); +extern void omap1610_cpu_suspend(unsigned long, unsigned long); extern void omap7xx_idle_loop_suspend(void); extern void omap1510_idle_loop_suspend(void); extern void omap1610_idle_loop_suspend(void); diff --git a/arch/arm/mach-omap1/sleep.S b/arch/arm/mach-omap1/sleep.S index ef771ce8b030..c875bdc902c5 100644 --- a/arch/arm/mach-omap1/sleep.S +++ b/arch/arm/mach-omap1/sleep.S @@ -58,6 +58,7 @@ */ #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) + .align 3 ENTRY(omap7xx_cpu_suspend) @ save registers on stack @@ -137,6 +138,7 @@ ENTRY(omap7xx_cpu_suspend_sz) #endif /* CONFIG_ARCH_OMAP730 || CONFIG_ARCH_OMAP850 */ #ifdef CONFIG_ARCH_OMAP15XX + .align 3 ENTRY(omap1510_cpu_suspend) @ save registers on stack @@ -211,6 +213,7 @@ ENTRY(omap1510_cpu_suspend_sz) #endif /* CONFIG_ARCH_OMAP15XX */ #if defined(CONFIG_ARCH_OMAP16XX) + .align 3 ENTRY(omap1610_cpu_suspend) @ save registers on stack diff --git a/arch/arm/mach-omap1/sram.S b/arch/arm/mach-omap1/sram.S index 7724e520d07c..692587d07ea5 100644 --- a/arch/arm/mach-omap1/sram.S +++ b/arch/arm/mach-omap1/sram.S @@ -18,6 +18,7 @@ /* * Reprograms ULPD and CKCTL. */ + .align 3 ENTRY(omap1_sram_reprogram_clock) stmfd sp!, {r0 - r12, lr} @ save registers on stack diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index ed7a61ff916a..6885d2fac183 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -49,11 +49,15 @@ #include <mach/hardware.h> #include <asm/leds.h> #include <asm/irq.h> +#include <asm/sched_clock.h> + #include <asm/mach/irq.h> #include <asm/mach/time.h> #include <plat/common.h> +#ifdef CONFIG_OMAP_MPU_TIMER + #define OMAP_MPU_TIMER_BASE OMAP_MPU_TIMER1_BASE #define OMAP_MPU_TIMER_OFFSET 0x100 @@ -67,7 +71,7 @@ typedef struct { ((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \ (n)*OMAP_MPU_TIMER_OFFSET)) -static inline unsigned long omap_mpu_timer_read(int nr) +static inline unsigned long notrace omap_mpu_timer_read(int nr) { volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); return timer->read_tim; @@ -212,6 +216,32 @@ static struct clocksource clocksource_mpu = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static DEFINE_CLOCK_DATA(cd); + +static inline unsigned long long notrace _omap_mpu_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + return cyc_to_sched_clock(&cd, cyc, (u32)~0); +} + +#ifndef CONFIG_OMAP_32K_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#else +static unsigned long long notrace omap_mpu_sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#endif + +static void notrace mpu_update_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + update_sched_clock(&cd, cyc, (u32)~0); +} + static void __init omap_init_clocksource(unsigned long rate) { static char err[] __initdata = KERN_ERR @@ -219,17 +249,13 @@ static void __init omap_init_clocksource(unsigned long rate) setup_irq(INT_TIMER2, &omap_mpu_timer2_irq); omap_mpu_timer_start(1, ~0, 1); + init_sched_clock(&cd, mpu_update_sched_clock, 32, rate); if (clocksource_register_hz(&clocksource_mpu, rate)) printk(err, clocksource_mpu.name); } -/* - * --------------------------------------------------------------------------- - * Timer initialization - * --------------------------------------------------------------------------- - */ -static void __init omap_timer_init(void) +static void __init omap_mpu_timer_init(void) { struct clk *ck_ref = clk_get(NULL, "ck_ref"); unsigned long rate; @@ -246,6 +272,66 @@ static void __init omap_timer_init(void) omap_init_clocksource(rate); } +#else +static inline void omap_mpu_timer_init(void) +{ + pr_err("Bogus timer, should not happen\n"); +} +#endif /* CONFIG_OMAP_MPU_TIMER */ + +#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER) +static unsigned long long (*preferred_sched_clock)(void); + +unsigned long long notrace sched_clock(void) +{ + if (!preferred_sched_clock) + return 0; + + return preferred_sched_clock(); +} + +static inline void preferred_sched_clock_init(bool use_32k_sched_clock) +{ + if (use_32k_sched_clock) + preferred_sched_clock = omap_32k_sched_clock; + else + preferred_sched_clock = omap_mpu_sched_clock; +} +#else +static inline void preferred_sched_clock_init(bool use_32k_sched_clcok) +{ +} +#endif + +static inline int omap_32k_timer_usable(void) +{ + int res = false; + + if (cpu_is_omap730() || cpu_is_omap15xx()) + return res; + +#ifdef CONFIG_OMAP_32K_TIMER + res = omap_32k_timer_init(); +#endif + + return res; +} + +/* + * --------------------------------------------------------------------------- + * Timer initialization + * --------------------------------------------------------------------------- + */ +static void __init omap_timer_init(void) +{ + if (omap_32k_timer_usable()) { + preferred_sched_clock_init(1); + } else { + omap_mpu_timer_init(); + preferred_sched_clock_init(0); + } +} + struct sys_timer omap_timer = { .init = omap_timer_init, }; diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 20cfbcc6c60c..13d7b8f145bd 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -52,10 +52,9 @@ #include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> +#include <plat/common.h> #include <plat/dmtimer.h> -struct sys_timer omap_timer; - /* * --------------------------------------------------------------------------- * 32KHz OS timer @@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void) * Timer initialization * --------------------------------------------------------------------------- */ -static void __init omap_timer_init(void) +bool __init omap_32k_timer_init(void) { + omap_init_clocksource_32k(); + #ifdef CONFIG_OMAP_DM_TIMER omap_dm_timer_init(); #endif omap_init_32k_timer(); -} -struct sys_timer omap_timer = { - .init = omap_timer_init, -}; + return true; +} diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 1a2cf6226a55..b69fa0a0299e 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -45,6 +45,7 @@ config ARCH_OMAP4 select CPU_V7 select ARM_GIC select PL310_ERRATA_588369 + select PL310_ERRATA_727915 select ARM_ERRATA_720789 select ARCH_HAS_OPP select PM_OPP if PM diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 1c0c2b02d870..64dc4176407b 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -229,7 +229,7 @@ usbfs-$(CONFIG_ARCH_OMAP_OTG) := usb-fs.o obj-y += $(usbfs-m) $(usbfs-y) obj-y += usb-musb.o obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o -obj-y += usb-ehci.o +obj-y += usb-host.o onenand-$(CONFIG_MTD_ONENAND_OMAP2) := gpmc-onenand.o obj-y += $(onenand-m) $(onenand-y) diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index d4e41ef86aa5..7542ba59f2b8 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -653,11 +653,11 @@ static void enable_board_wakeup_source(void) OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP); } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = 57, @@ -816,7 +816,7 @@ static void __init omap_3430sdp_init(void) board_flash_init(sdp_flash_partitions, chip_sel_3430); sdp3430_display_init(); enable_board_wakeup_source(); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); } MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board") diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c index 62645640f5e4..deed2db32c53 100644 --- a/arch/arm/mach-omap2/board-3630sdp.c +++ b/arch/arm/mach-omap2/board-3630sdp.c @@ -54,11 +54,11 @@ static void enable_board_wakeup_source(void) OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP); } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = 126, @@ -211,7 +211,7 @@ static void __init omap_sdp_init(void) board_smc91x_init(); board_flash_init(sdp_flash_partitions, chip_sel_sdp); enable_board_wakeup_source(); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); } MACHINE_START(OMAP_3630SDP, "OMAP 3630SDP board") diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 07d1b20b1148..f603f3b04cb8 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -44,7 +44,6 @@ #define ETH_KS8851_IRQ 34 #define ETH_KS8851_POWER_ON 48 #define ETH_KS8851_QUART 138 -#define OMAP4SDP_MDM_PWR_EN_GPIO 157 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184 #define OMAP4_SFH7741_ENABLE_GPIO 188 @@ -251,16 +250,6 @@ static void __init omap_4430sdp_init_irq(void) gic_init_irq(); } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .phy_reset = false, - .reset_gpio_port[0] = -EINVAL, - .reset_gpio_port[1] = -EINVAL, - .reset_gpio_port[2] = -EINVAL, -}; - static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_UTMI, .mode = MUSB_OTG, @@ -272,6 +261,7 @@ static struct twl4030_usb_data omap4_usbphy_data = { .phy_exit = omap4430_phy_exit, .phy_power = omap4430_phy_power, .phy_set_clock = omap4430_phy_set_clk, + .phy_suspend = omap4430_phy_suspend, }; static struct omap2_hsmmc_info mmc[] = { @@ -576,14 +566,6 @@ static void __init omap_4430sdp_init(void) omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); - /* Power on the ULPI PHY */ - status = gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3"); - if (status) - pr_err("%s: Could not get USBB1 PHY GPIO\n", __func__); - else - gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1); - - usb_ehci_init(&ehci_pdata); usb_musb_init(&musb_board_data); status = omap_ethernet_init(); diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c index 71acb5ab281c..e3a194f6b13f 100644 --- a/arch/arm/mach-omap2/board-am3517crane.c +++ b/arch/arm/mach-omap2/board-am3517crane.c @@ -59,10 +59,10 @@ static void __init am3517_crane_init_irq(void) omap_init_irq(); } -static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static struct usbhs_omap_board_data usbhs_bdata __initdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = GPIO_USB_NRESET, @@ -103,7 +103,7 @@ static void __init am3517_crane_init(void) return; } - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); } MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD") diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 10d60b7743cf..913538ad17d8 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -430,15 +430,15 @@ static __init void am3517_evm_musb_init(void) usb_musb_init(&musb_board_data); } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, #else - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, #endif - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = 57, @@ -502,7 +502,7 @@ static void __init am3517_evm_init(void) /* Configure GPIO for EHCI port */ omap_mux_init_gpio(57, OMAP_PIN_OUTPUT); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); am3517_evm_hecc_init(&am3517_evm_hecc_pdata); /* DSS */ am3517_evm_display_init(); diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index dac141610666..9be7289cbb56 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -605,10 +605,10 @@ static struct omap2_hsmmc_info mmc[] = { {} /* Terminator */ }; -static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static struct usbhs_omap_board_data usbhs_bdata __initdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = OMAP_MAX_GPIO_LINES + 6, @@ -810,7 +810,7 @@ static void __init cm_t35_init(void) cm_t35_init_display(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); } MACHINE_START(CM_T35, "Compulab CM-T35") diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 5b0c77732dfc..8e18dc76b11e 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {} #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) #define RTC_IO_GPIO (153) #define RTC_WR_GPIO (154) -#define RTC_RD_GPIO (160) +#define RTC_RD_GPIO (53) #define RTC_CS_GPIO (163) +#define RTC_CS_EN_GPIO (160) struct v3020_platform_data cm_t3517_v3020_pdata = { .use_gpio = 1, @@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = { static void __init cm_t3517_init_rtc(void) { + int err; + + err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en"); + if (err) { + pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err); + return; + } + + gpio_direction_output(RTC_CS_EN_GPIO, 1); + platform_device_register(&cm_t3517_rtc_device); } #else @@ -156,10 +167,10 @@ static inline void cm_t3517_init_rtc(void) {} #define HSUSB2_RESET_GPIO (147) #define USB_HUB_RESET_GPIO (152) -static struct ehci_hcd_omap_platform_data cm_t3517_ehci_pdata __initdata = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = HSUSB1_RESET_GPIO, @@ -181,7 +192,7 @@ static int cm_t3517_init_usbh(void) msleep(1); } - usb_ehci_init(&cm_t3517_ehci_pdata); + usbhs_init(&cm_t3517_ehci_pdata); return 0; } @@ -214,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = { }, { .name = "linux", - .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */ .size = 32 * NAND_BLOCK_SIZE, }, { .name = "rootfs", - .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */ .size = MTDPART_SIZ_FULL, }, }; @@ -256,11 +267,19 @@ static void __init cm_t3517_init_irq(void) static struct omap_board_mux board_mux[] __initdata = { /* GPIO186 - Green LED */ OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), - /* RTC GPIOs: IO, WR#, RD#, CS# */ + + /* RTC GPIOs: */ + /* IO - GPIO153 */ OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* WR# - GPIO154 */ OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), - OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* RD# - GPIO53 */ + OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* CS# - GPIO163 */ OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* CS EN - GPIO160 */ + OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), + /* HSUSB1 RESET */ OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), /* HSUSB2 RESET */ diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 00bb1fc5e017..bc0141b98694 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -115,9 +115,6 @@ static struct omap2_hsmmc_info mmc[] = { static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev) { - twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1); - twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0); - if (gpio_is_valid(dssdev->reset_gpio)) gpio_set_value_cansleep(dssdev->reset_gpio, 1); return 0; @@ -247,6 +244,8 @@ static struct gpio_led gpio_leds[]; static int devkit8000_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + int ret; + omap_mux_init_gpio(29, OMAP_PIN_INPUT); /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; @@ -255,17 +254,23 @@ static int devkit8000_twl_gpio_setup(struct device *dev, /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; - /* gpio + 1 is "LCD_PWREN" (out, active high) */ - devkit8000_lcd_device.reset_gpio = gpio + 1; - gpio_request(devkit8000_lcd_device.reset_gpio, "LCD_PWREN"); - /* Disable until needed */ - gpio_direction_output(devkit8000_lcd_device.reset_gpio, 0); + /* TWL4030_GPIO_MAX + 0 is "LCD_PWREN" (out, active high) */ + devkit8000_lcd_device.reset_gpio = gpio + TWL4030_GPIO_MAX + 0; + ret = gpio_request_one(devkit8000_lcd_device.reset_gpio, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, "LCD_PWREN"); + if (ret < 0) { + devkit8000_lcd_device.reset_gpio = -EINVAL; + printk(KERN_ERR "Failed to request GPIO for LCD_PWRN\n"); + } /* gpio + 7 is "DVI_PD" (out, active low) */ devkit8000_dvi_device.reset_gpio = gpio + 7; - gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown"); - /* Disable until needed */ - gpio_direction_output(devkit8000_dvi_device.reset_gpio, 0); + ret = gpio_request_one(devkit8000_dvi_device.reset_gpio, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, "DVI PowerDown"); + if (ret < 0) { + devkit8000_dvi_device.reset_gpio = -EINVAL; + printk(KERN_ERR "Failed to request GPIO for DVI PowerDown\n"); + } return 0; } @@ -275,8 +280,7 @@ static struct twl4030_gpio_platform_data devkit8000_gpio_data = { .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .use_leds = true, - .pullups = BIT(1), - .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) + .pulldowns = BIT(1) | BIT(2) | BIT(6) | BIT(8) | BIT(13) | BIT(15) | BIT(16) | BIT(17), .setup = devkit8000_twl_gpio_setup, }; @@ -616,11 +620,11 @@ static struct omap_musb_board_data musb_board_data = { .power = 100, }; -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -799,7 +803,7 @@ static void __init devkit8000_init(void) devkit8000_ads7846_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); devkit8000_flash_init(); /* Ensure SDRC pins are mux'd for self-refresh */ diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 3be85a1f55f4..f9f534419311 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -627,10 +627,10 @@ static struct omap_musb_board_data musb_board_data = { .power = 100, }; -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET, @@ -699,7 +699,7 @@ static void __init igep2_init(void) platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices)); omap_serial_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); igep2_flash_init(); igep2_leds_init(); diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c index 4dc62a9b9cb2..579fc2d2525f 100644 --- a/arch/arm/mach-omap2/board-igep0030.c +++ b/arch/arm/mach-omap2/board-igep0030.c @@ -408,10 +408,10 @@ static void __init igep3_wifi_bt_init(void) void __init igep3_wifi_bt_init(void) {} #endif -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -435,7 +435,7 @@ static void __init igep3_init(void) platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices)); omap_serial_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); igep3_flash_init(); igep3_leds_init(); diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 46d814ab5656..f0963b6e4627 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -586,11 +586,11 @@ static void __init omap3beagle_flash_init(void) } } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -625,7 +625,7 @@ static void __init omap3_beagle_init(void) gpio_direction_output(170, true); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); omap3beagle_flash_init(); /* Ensure SDRC pins are mux'd for self-refresh */ diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 323c3809ce39..38a2d91790c0 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -638,11 +638,11 @@ static struct platform_device *omap3_evm_devices[] __initdata = { &omap3_evm_dss_device, }; -static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { +static struct usbhs_omap_board_data usbhs_bdata __initdata = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, /* PHY reset GPIO will be runtime programmed based on EVM version */ @@ -700,7 +700,7 @@ static void __init omap3_evm_init(void) /* setup EHCI phy reset config */ omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP); - ehci_pdata.reset_gpio_port[1] = 21; + usbhs_bdata.reset_gpio_port[1] = 21; /* EVM REV >= E can supply 500mA with EXTVBUS programming */ musb_board_data.power = 500; @@ -708,10 +708,10 @@ static void __init omap3_evm_init(void) } else { /* setup EHCI phy reset on MDC */ omap_mux_init_gpio(135, OMAP_PIN_OUTPUT); - ehci_pdata.reset_gpio_port[1] = 135; + usbhs_bdata.reset_gpio_port[1] = 135; } usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); ads7846_dev_init(); omap3evm_init_smsc911x(); omap3_evm_display_init(); diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 0b34beded11f..aa05f2e46a61 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -681,11 +681,11 @@ static struct platform_device *omap3pandora_devices[] __initdata = { &pandora_vwlan_device, }; -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = 16, @@ -716,7 +716,7 @@ static void __init omap3pandora_init(void) spi_register_board_info(omap3pandora_spi_board_info, ARRAY_SIZE(omap3pandora_spi_board_info)); omap3pandora_ads7846_init(); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); usb_musb_init(&musb_board_data); gpmc_nand_init(&pandora_nand_data); diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index 2a2dad447e86..f6c87787cd4f 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -608,10 +608,10 @@ static struct platform_device *omap3_stalker_devices[] __initdata = { &keys_gpio, }; -static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -649,7 +649,7 @@ static void __init omap3_stalker_init(void) omap_serial_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); ads7846_dev_init(); omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index db1f74fe6c4f..84cfddb19a74 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -468,11 +468,11 @@ static void __init omap3touchbook_flash_init(void) } } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -527,7 +527,7 @@ static void __init omap3_touchbook_init(void) ARRAY_SIZE(omap3_ads7846_spi_board_info)); omap3_ads7846_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); omap3touchbook_flash_init(); /* Ensure SDRC pins are mux'd for self-refresh */ diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index e001a048dc0c..ed61c1f5d5e6 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -83,10 +83,10 @@ static void __init omap4_panda_init_irq(void) gic_init_irq(); } -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = false, .reset_gpio_port[0] = -EINVAL, .reset_gpio_port[1] = -EINVAL, @@ -128,7 +128,7 @@ static void __init omap4_ehci_init(void) gpio_set_value(GPIO_HUB_NRESET, 0); gpio_set_value(GPIO_HUB_NRESET, 1); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); /* enable power to hub */ gpio_set_value(GPIO_HUB_POWER, 1); @@ -153,6 +153,7 @@ static struct twl4030_usb_data omap4_usbphy_data = { .phy_exit = omap4430_phy_exit, .phy_power = omap4430_phy_power, .phy_set_clock = omap4430_phy_set_clk, + .phy_suspend = omap4430_phy_suspend, }; static struct omap2_hsmmc_info mmc[] = { @@ -409,8 +410,6 @@ static void __init omap4_panda_init(void) platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); - /* OMAP4 Panda uses internal transceiver so register nop transceiver */ - usb_nop_xceiv_register(); omap4_ehci_init(); usb_musb_init(&musb_board_data); } diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index cb26e5d8268d..08770ccec0f3 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -423,10 +423,10 @@ static struct platform_device *overo_devices[] __initdata = { &overo_lcd_device, }; -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, @@ -454,7 +454,7 @@ static void __init overo_init(void) omap_serial_init(); overo_flash_init(); usb_musb_init(&musb_board_data); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); overo_ads7846_init(); overo_init_smsc911x(); diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c index cb77be7ac44f..39a71bb8a308 100644 --- a/arch/arm/mach-omap2/board-rm680.c +++ b/arch/arm/mach-omap2/board-rm680.c @@ -40,9 +40,6 @@ static struct regulator_consumer_supply rm680_vemmc_consumers[] = { static struct regulator_init_data rm680_vemmc = { .constraints = { .name = "rm680_vemmc", - .min_uV = 2900000, - .max_uV = 2900000, - .apply_uV = 1, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_STATUS diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c index e26754c24ee8..1dd195afa396 100644 --- a/arch/arm/mach-omap2/board-zoom.c +++ b/arch/arm/mach-omap2/board-zoom.c @@ -106,10 +106,10 @@ static struct mtd_partition zoom_nand_partitions[] = { }, }; -static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { - .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, - .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, - .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, +static const struct usbhs_omap_board_data usbhs_bdata __initconst = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, .phy_reset = true, .reset_gpio_port[0] = -EINVAL, .reset_gpio_port[1] = ZOOM3_EHCI_RESET_GPIO, @@ -123,7 +123,7 @@ static void __init omap_zoom_init(void) } else if (machine_is_omap_zoom3()) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBP); omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT); - usb_ehci_init(&ehci_pdata); + usbhs_init(&usbhs_bdata); } board_nand_init(zoom_nand_partitions, diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 337392c3f549..acb7ae5b0a25 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -77,7 +77,7 @@ static int _dpll_test_fint(struct clk *clk, u8 n) dd = clk->dpll_data; /* DPLL divider must result in a valid jitter correction val */ - fint = clk->parent->rate / (n + 1); + fint = clk->parent->rate / n; if (fint < DPLL_FINT_BAND1_MIN) { pr_debug("rejecting n=%d due to Fint failure, " diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index 403a4a1d3f9c..fbb1e30a73dc 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -3286,7 +3286,7 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "cpefuse_fck", &cpefuse_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK(NULL, "ts_fck", &ts_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK(NULL, "usbtll_fck", &usbtll_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), - CLK("ehci-omap.0", "usbtll_fck", &usbtll_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "usbtll_fck", &usbtll_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK("omap-mcbsp.1", "prcm_fck", &core_96m_fck, CK_3XXX), CLK("omap-mcbsp.5", "prcm_fck", &core_96m_fck, CK_3XXX), CLK(NULL, "core_96m_fck", &core_96m_fck, CK_3XXX), @@ -3322,7 +3322,7 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "pka_ick", &pka_ick, CK_34XX | CK_36XX), CLK(NULL, "core_l4_ick", &core_l4_ick, CK_3XXX), CLK(NULL, "usbtll_ick", &usbtll_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), - CLK("ehci-omap.0", "usbtll_ick", &usbtll_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "usbtll_ick", &usbtll_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK("mmci-omap-hs.2", "ick", &mmchs3_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK(NULL, "icr_ick", &icr_ick, CK_34XX | CK_36XX), CLK("omap-aes", "ick", &aes2_ick, CK_34XX | CK_36XX), @@ -3368,11 +3368,20 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "cam_ick", &cam_ick, CK_34XX | CK_36XX), CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_34XX | CK_36XX), CLK(NULL, "usbhost_120m_fck", &usbhost_120m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), - CLK("ehci-omap.0", "hs_fck", &usbhost_120m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "hs_fck", &usbhost_120m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK(NULL, "usbhost_48m_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), - CLK("ehci-omap.0", "fs_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "fs_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), CLK(NULL, "usbhost_ick", &usbhost_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), - CLK("ehci-omap.0", "usbhost_ick", &usbhost_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "usbhost_ick", &usbhost_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX), + CLK("usbhs-omap.0", "utmi_p1_gfclk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "utmi_p2_gfclk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "xclk60mhsp1_ck", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "xclk60mhsp2_ck", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "usb_host_hs_utmi_p1_clk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "usb_host_hs_utmi_p2_clk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "usb_tll_hs_usb_ch0_clk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "usb_tll_hs_usb_ch1_clk", &dummy_ck, CK_3XXX), + CLK("usbhs-omap.0", "init_60m_fclk", &dummy_ck, CK_3XXX), CLK(NULL, "usim_fck", &usim_fck, CK_3430ES2PLUS | CK_36XX), CLK(NULL, "gpt1_fck", &gpt1_fck, CK_3XXX), CLK(NULL, "wkup_32k_fck", &wkup_32k_fck, CK_3XXX), diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index e8cb32fd7f13..46fd3f674cac 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -34,7 +34,6 @@ #include "cm2_44xx.h" #include "cm-regbits-44xx.h" #include "prm44xx.h" -#include "prm44xx.h" #include "prm-regbits-44xx.h" #include "control.h" #include "scrm44xx.h" @@ -3198,7 +3197,7 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "uart3_fck", &uart3_fck, CK_443X), CLK(NULL, "uart4_fck", &uart4_fck, CK_443X), CLK(NULL, "usb_host_fs_fck", &usb_host_fs_fck, CK_443X), - CLK("ehci-omap.0", "fs_fck", &usb_host_fs_fck, CK_443X), + CLK("usbhs-omap.0", "fs_fck", &usb_host_fs_fck, CK_443X), CLK(NULL, "utmi_p1_gfclk", &utmi_p1_gfclk, CK_443X), CLK(NULL, "usb_host_hs_utmi_p1_clk", &usb_host_hs_utmi_p1_clk, CK_443X), CLK(NULL, "utmi_p2_gfclk", &utmi_p2_gfclk, CK_443X), @@ -3210,8 +3209,8 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "usb_host_hs_hsic480m_p2_clk", &usb_host_hs_hsic480m_p2_clk, CK_443X), CLK(NULL, "usb_host_hs_func48mclk", &usb_host_hs_func48mclk, CK_443X), CLK(NULL, "usb_host_hs_fck", &usb_host_hs_fck, CK_443X), - CLK("ehci-omap.0", "hs_fck", &usb_host_hs_fck, CK_443X), - CLK("ehci-omap.0", "usbhost_ick", &dummy_ck, CK_443X), + CLK("usbhs-omap.0", "hs_fck", &usb_host_hs_fck, CK_443X), + CLK("usbhs-omap.0", "usbhost_ick", &dummy_ck, CK_443X), CLK(NULL, "otg_60m_gfclk", &otg_60m_gfclk, CK_443X), CLK(NULL, "usb_otg_hs_xclk", &usb_otg_hs_xclk, CK_443X), CLK("musb-omap2430", "ick", &usb_otg_hs_ick, CK_443X), @@ -3220,8 +3219,8 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "usb_tll_hs_usb_ch0_clk", &usb_tll_hs_usb_ch0_clk, CK_443X), CLK(NULL, "usb_tll_hs_usb_ch1_clk", &usb_tll_hs_usb_ch1_clk, CK_443X), CLK(NULL, "usb_tll_hs_ick", &usb_tll_hs_ick, CK_443X), - CLK("ehci-omap.0", "usbtll_ick", &usb_tll_hs_ick, CK_443X), - CLK("ehci-omap.0", "usbtll_fck", &dummy_ck, CK_443X), + CLK("usbhs-omap.0", "usbtll_ick", &usb_tll_hs_ick, CK_443X), + CLK("usbhs-omap.0", "usbtll_fck", &dummy_ck, CK_443X), CLK(NULL, "usim_ck", &usim_ck, CK_443X), CLK(NULL, "usim_fclk", &usim_fclk, CK_443X), CLK(NULL, "usim_fck", &usim_fck, CK_443X), diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index e20b98636ab4..58e42f76603f 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -423,6 +423,12 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + if (!clkdm1 || !clkdm2) return -EINVAL; @@ -458,6 +464,12 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + if (!clkdm1 || !clkdm2) return -EINVAL; @@ -500,6 +512,12 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) if (!clkdm1 || !clkdm2) return -EINVAL; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s/%s: %s: not yet implemented\n", + clkdm1->name, clkdm2->name, __func__); + return -EINVAL; + } + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) { pr_debug("clockdomain: hardware cannot set/clear wake up of " @@ -527,6 +545,12 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm) struct clkdm_dep *cd; u32 mask = 0; + if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) { + pr_err("clockdomain: %s: %s: not yet implemented\n", + clkdm->name, __func__); + return -EINVAL; + } + if (!clkdm) return -EINVAL; @@ -830,8 +854,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) * dependency code and data for OMAP4. */ if (cpu_is_omap44xx()) { - WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency " - "support is not yet implemented\n"); + pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name); } else { if (atomic_read(&clkdm->usecount) > 0) _clkdm_add_autodeps(clkdm); @@ -872,8 +895,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) * dependency code and data for OMAP4. */ if (cpu_is_omap44xx()) { - WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency " - "support is not yet implemented\n"); + pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name); } else { if (atomic_read(&clkdm->usecount) > 0) _clkdm_del_autodeps(clkdm); diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 51920fc7fc52..10622c914abc 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -30,8 +30,6 @@ #include "cm1_44xx.h" #include "cm2_44xx.h" -#include "cm1_44xx.h" -#include "cm2_44xx.h" #include "cm-regbits-44xx.h" #include "prm44xx.h" #include "prcm44xx.h" diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index d2f15f5cfd36..34922b2d2e3f 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -264,7 +264,7 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) if (IS_ERR(od)) { pr_err("%s: Cant build omap_device for %s:%s.\n", __func__, name, oh->name); - return IS_ERR(od); + return PTR_ERR(od); } mem = platform_get_resource(&od->pdev, IORESOURCE_MEM, 0); diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S index 6a4d4136002e..6049f465ec84 100644 --- a/arch/arm/mach-omap2/include/mach/debug-macro.S +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S @@ -19,6 +19,9 @@ #define UART_OFFSET(addr) ((addr) & 0x00ffffff) +#define omap_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET) +#define omap_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET) + .pushsection .data omap_uart_phys: .word 0 omap_uart_virt: .word 0 @@ -36,7 +39,7 @@ omap_uart_lsr: .word 0 /* Use omap_uart_phys/virt if already configured */ 10: mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? - ldreq \rp, =__virt_to_phys(omap_uart_phys) @ MMU not enabled + ldreq \rp, =omap_uart_v2p(omap_uart_phys) @ MMU disabled ldrne \rp, =omap_uart_phys @ MMU enabled add \rv, \rp, #4 @ omap_uart_virt ldr \rp, [\rp, #0] @@ -49,7 +52,7 @@ omap_uart_lsr: .word 0 mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? ldreq \rp, =OMAP_UART_INFO @ MMU not enabled - ldrne \rp, =__phys_to_virt(OMAP_UART_INFO) @ MMU enabled + ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled ldr \rp, [\rp, #0] /* Select the UART to use based on the UART1 scratchpad value */ @@ -94,7 +97,7 @@ omap_uart_lsr: .word 0 95: ldr \rp, =ZOOM_UART_BASE mrc p15, 0, \rv, c1, c0 tst \rv, #1 @ MMU enabled? - ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled + ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled ldrne \rv, =omap_uart_phys @ MMU enabled str \rp, [\rv, #0] ldr \rp, =ZOOM_UART_VIRT @@ -109,7 +112,7 @@ omap_uart_lsr: .word 0 98: add \rp, \rp, #0x48000000 @ phys base mrc p15, 0, \rv, c1, c0 tst \rv, #1 @ MMU enabled? - ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled + ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled ldrne \rv, =omap_uart_phys @ MMU enabled str \rp, [\rv, #0] sub \rp, \rp, #0x48000000 @ phys base @@ -131,7 +134,7 @@ omap_uart_lsr: .word 0 .macro busyuart,rd,rx 1001: mrc p15, 0, \rd, c1, c0 tst \rd, #1 @ MMU enabled? - ldreq \rd, =__virt_to_phys(omap_uart_lsr) @ MMU not enabled + ldreq \rd, =omap_uart_v2p(omap_uart_lsr) @ MMU disabled ldrne \rd, =omap_uart_lsr @ MMU enabled ldr \rd, [\rd, #0] ldrb \rd, [\rx, \rd] diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S index befa321c4c13..81985a665cb3 100644 --- a/arch/arm/mach-omap2/include/mach/entry-macro.S +++ b/arch/arm/mach-omap2/include/mach/entry-macro.S @@ -38,20 +38,6 @@ */ #ifdef MULTI_OMAP2 - -/* - * We use __glue to avoid errors with multiple definitions of - * .globl omap_irq_base as it's included from entry-armv.S but not - * from entry-common.S. - */ -#ifdef __glue - .pushsection .data - .globl omap_irq_base -omap_irq_base: - .word 0 - .popsection -#endif - /* * Configure the interrupt base on the first interrupt. * See also omap_irq_base_init for setting omap_irq_base. diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index e66687b0b9de..c2032041d26f 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -314,14 +314,13 @@ static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); } +void __iomem *omap_irq_base; + /* * Initialize asm_irq_base for entry-macro.S */ static inline void omap_irq_base_init(void) { - extern void __iomem *omap_irq_base; - -#ifdef MULTI_OMAP2 if (cpu_is_omap24xx()) omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE); else if (cpu_is_omap34xx()) @@ -330,7 +329,6 @@ static inline void omap_irq_base_init(void) omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE); else pr_err("Could not initialize omap_irq_base\n"); -#endif } void __init omap2_init_common_infrastructure(void) diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c index 394413dc7deb..24b88504df0f 100644 --- a/arch/arm/mach-omap2/mailbox.c +++ b/arch/arm/mach-omap2/mailbox.c @@ -193,10 +193,12 @@ static void omap2_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq) { struct omap_mbox2_priv *p = mbox->priv; - u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; - l = mbox_read_reg(p->irqdisable); - l &= ~bit; - mbox_write_reg(l, p->irqdisable); + u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + + if (!cpu_is_omap44xx()) + bit = mbox_read_reg(p->irqdisable) & ~bit; + + mbox_write_reg(bit, p->irqdisable); } static void omap2_mbox_ack_irq(struct omap_mbox *mbox, @@ -334,7 +336,7 @@ static struct omap_mbox mbox_iva_info = { .priv = &omap2_mbox_iva_priv, }; -struct omap_mbox *omap2_mboxes[] = { &mbox_iva_info, &mbox_dsp_info, NULL }; +struct omap_mbox *omap2_mboxes[] = { &mbox_dsp_info, &mbox_iva_info, NULL }; #endif #if defined(CONFIG_ARCH_OMAP4) diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index df8d2f2872c6..6c84659cf846 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -160,7 +160,7 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition, struct omap_mux *mux = NULL; struct omap_mux_entry *e; const char *mode_name; - int found = 0, found_mode, mode0_len = 0; + int found = 0, found_mode = 0, mode0_len = 0; struct list_head *muxmodes = &partition->muxmodes; mode_name = strchr(muxname, '.'); @@ -605,7 +605,7 @@ static void __init omap_mux_dbg_create_entry( list_for_each_entry(e, &partition->muxmodes, node) { struct omap_mux *m = &e->mux; - (void)debugfs_create_file(m->muxnames[0], S_IWUGO, mux_dbg_dir, + (void)debugfs_create_file(m->muxnames[0], S_IWUSR, mux_dbg_dir, m, &omap_mux_dbg_signal_fops); } } @@ -1000,6 +1000,7 @@ int __init omap_mux_init(const char *name, u32 flags, if (!partition->base) { pr_err("%s: Could not ioremap mux partition at 0x%08x\n", __func__, partition->phys); + kfree(partition); return -ENODEV; } diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 19268647ce36..9ef8c29dd817 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -52,6 +52,12 @@ static void omap4_l2x0_disable(void) omap_smc1(0x102, 0x0); } +static void omap4_l2x0_set_debug(unsigned long val) +{ + /* Program PL310 L2 Cache controller debug register */ + omap_smc1(0x100, val); +} + static int __init omap_l2_cache_init(void) { u32 aux_ctrl = 0; @@ -99,6 +105,7 @@ static int __init omap_l2_cache_init(void) * specific one */ outer_cache.disable = omap4_l2x0_disable; + outer_cache.set_debug = omap4_l2x0_set_debug; return 0; } diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 745252c60e32..ebe33df708bd 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -43,6 +43,7 @@ static struct clk *phyclk, *clk48m, *clk32k; static void __iomem *ctrl_base; +static int usbotghs_control; int omap4430_phy_init(struct device *dev) { @@ -103,13 +104,6 @@ int omap4430_phy_set_clk(struct device *dev, int on) int omap4430_phy_power(struct device *dev, int ID, int on) { if (on) { - /* enabled the clocks */ - omap4430_phy_set_clk(dev, 1); - /* power on the phy */ - if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) { - __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF); - mdelay(200); - } if (ID) /* enable VBUS valid, IDDIG groung */ __raw_writel(AVALID | VBUSVALID, ctrl_base + @@ -125,10 +119,31 @@ int omap4430_phy_power(struct device *dev, int ID, int on) /* Enable session END and IDIG to high impedence. */ __raw_writel(SESSEND | IDDIG, ctrl_base + USBOTGHS_CONTROL); + } + return 0; +} + +int omap4430_phy_suspend(struct device *dev, int suspend) +{ + if (suspend) { /* Disable the clocks */ omap4430_phy_set_clk(dev, 0); /* Power down the phy */ __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); + + /* save the context */ + usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL); + } else { + /* Enable the internel phy clcoks */ + omap4430_phy_set_clk(dev, 1); + /* power on the phy */ + if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) { + __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF); + mdelay(200); + } + + /* restore the context */ + __raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL); } return 0; diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 125f56591fb5..a5a83b358ddd 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -637,14 +637,14 @@ static int __init pm_dbg_init(void) } - (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUGO, d, + (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d, &enable_off_mode, &pm_dbg_option_fops); - (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUGO, d, + (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUSR, d, &sleep_while_idle, &pm_dbg_option_fops); - (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d, + (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUSR, d, &wakeup_timer_seconds, &pm_dbg_option_fops); (void) debugfs_create_file("wakeup_timer_milliseconds", - S_IRUGO | S_IWUGO, d, &wakeup_timer_milliseconds, + S_IRUGO | S_IWUSR, d, &wakeup_timer_milliseconds, &pm_dbg_option_fops); pm_dbg_init_done = 1; diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 1c1b0ab5b978..39580e6060e8 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -92,7 +92,7 @@ extern void omap24xx_idle_loop_suspend(void); extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, void __iomem *sdrc_power); extern void omap34xx_cpu_suspend(u32 *addr, int save_state); -extern void save_secure_ram_context(u32 *addr); +extern int save_secure_ram_context(u32 *addr); extern void omap3_save_scratchpad_contents(void); extern unsigned int omap24xx_idle_loop_suspend_sz; diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index 9e5dc8ed51e9..97feb3ab6a69 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -134,7 +134,7 @@ static void omap2_enter_full_retention(void) /* Block console output in case it is on one of the OMAP UARTs */ if (!is_suspending()) - if (try_acquire_console_sem()) + if (!console_trylock()) goto no_sleep; omap_uart_prepare_idle(0); @@ -151,7 +151,7 @@ static void omap2_enter_full_retention(void) omap_uart_resume_idle(0); if (!is_suspending()) - release_console_sem(); + console_unlock(); no_sleep: if (omap2_pm_debug) { diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 8cbbeade4b8a..2f864e4b085d 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -168,9 +168,10 @@ static void omap3_core_restore_context(void) * once during boot sequence, but this works as we are not using secure * services. */ -static void omap3_save_secure_ram_context(u32 target_mpu_state) +static void omap3_save_secure_ram_context(void) { u32 ret; + int mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm); if (omap_type() != OMAP2_DEVICE_TYPE_GP) { /* @@ -181,7 +182,7 @@ static void omap3_save_secure_ram_context(u32 target_mpu_state) pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); ret = _omap_save_secure_sram((u32 *) __pa(omap3_secure_ram_storage)); - pwrdm_set_next_pwrst(mpu_pwrdm, target_mpu_state); + pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state); /* Following is for error tracking, it should not happen */ if (ret) { printk(KERN_ERR "save_secure_sram() returns %08x\n", @@ -398,7 +399,7 @@ void omap_sram_idle(void) if (!is_suspending()) if (per_next_state < PWRDM_POWER_ON || core_next_state < PWRDM_POWER_ON) - if (try_acquire_console_sem()) + if (!console_trylock()) goto console_still_active; /* PER */ @@ -481,7 +482,7 @@ void omap_sram_idle(void) } if (!is_suspending()) - release_console_sem(); + console_unlock(); console_still_active: /* Disable IO-PAD and IO-CHAIN wakeup */ @@ -1094,7 +1095,7 @@ static int __init omap3_pm_init(void) local_fiq_disable(); omap_dma_global_context_save(); - omap3_save_secure_ram_context(PWRDM_POWER_ON); + omap3_save_secure_ram_context(); omap_dma_global_context_restore(); local_irq_enable(); diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c index d5233890370c..cf600e22bf8e 100644 --- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c +++ b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c @@ -19,7 +19,6 @@ #include <plat/prcm.h> #include "powerdomain.h" -#include "prm-regbits-34xx.h" #include "prm.h" #include "prm-regbits-24xx.h" #include "prm-regbits-34xx.h" diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.h b/arch/arm/mach-omap2/prcm_mpu44xx.h index 729a644ce852..3300ff6e3cfe 100644 --- a/arch/arm/mach-omap2/prcm_mpu44xx.h +++ b/arch/arm/mach-omap2/prcm_mpu44xx.h @@ -38,8 +38,8 @@ #define OMAP4430_PRCM_MPU_CPU1_INST 0x0800 /* PRCM_MPU clockdomain register offsets (from instance start) */ -#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS 0x0000 -#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS 0x0000 +#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS 0x0018 +#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS 0x0018 /* diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 302da7403a10..32e91a9c8b6b 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -812,7 +812,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) oh->dev_attr = uart; - acquire_console_sem(); /* in case the earlycon is on the UART */ + console_lock(); /* in case the earlycon is on the UART */ /* * Because of early UART probing, UART did not get idled @@ -838,7 +838,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) omap_uart_block_sleep(uart); uart->timeout = DEFAULT_TIMEOUT; - release_console_sem(); + console_unlock(); if ((cpu_is_omap34xx() && uart->padconf) || (uart->wk_en && uart->wk_mask)) { diff --git a/arch/arm/mach-omap2/sleep24xx.S b/arch/arm/mach-omap2/sleep24xx.S index c7780cc8d919..b5071a47ec39 100644 --- a/arch/arm/mach-omap2/sleep24xx.S +++ b/arch/arm/mach-omap2/sleep24xx.S @@ -47,6 +47,7 @@ * Note: This code get's copied to internal SRAM at boot. When the OMAP * wakes up it continues execution at the point it went to sleep. */ + .align 3 ENTRY(omap24xx_idle_loop_suspend) stmfd sp!, {r0, lr} @ save registers on stack mov r0, #0 @ clear for mcr setup @@ -82,6 +83,7 @@ ENTRY(omap24xx_idle_loop_suspend_sz) * The DLL load value is not kept in RETENTION or OFF. It needs to be restored * at wake */ + .align 3 ENTRY(omap24xx_cpu_suspend) stmfd sp!, {r0 - r12, lr} @ save registers on stack mov r3, #0x0 @ clear for mcr call diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index 98d8232808b8..951a0be66cf7 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -118,6 +118,7 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) .text /* Function to call rom code to save secure ram context */ + .align 3 ENTRY(save_secure_ram_context) stmfd sp!, {r1-r12, lr} @ save registers on stack adr r3, api_params @ r3 points to parameters @@ -169,6 +170,7 @@ ENTRY(save_secure_ram_context_sz) * depending on the low power mode (non-OFF vs OFF modes), * cf. 'Resume path for xxx mode' comments. */ + .align 3 ENTRY(omap34xx_cpu_suspend) stmfd sp!, {r0-r12, lr} @ save registers on stack diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 77ecebf3fae2..1a777e34d0c2 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -282,6 +282,7 @@ error: dev_err(&sr_info->pdev->dev, "%s: ERROR in registering" "interrupt handler. Smartreflex will" "not function as desired\n", __func__); + kfree(name); kfree(sr_info); return ret; } @@ -780,8 +781,7 @@ static int omap_sr_autocomp_show(void *data, u64 *val) struct omap_sr *sr_info = (struct omap_sr *) data; if (!sr_info) { - pr_warning("%s: omap_sr struct for sr_%s not found\n", - __func__, sr_info->voltdm->name); + pr_warning("%s: omap_sr struct not found\n", __func__); return -EINVAL; } @@ -795,8 +795,7 @@ static int omap_sr_autocomp_store(void *data, u64 val) struct omap_sr *sr_info = (struct omap_sr *) data; if (!sr_info) { - pr_warning("%s: omap_sr struct for sr_%s not found\n", - __func__, sr_info->voltdm->name); + pr_warning("%s: omap_sr struct not found\n", __func__); return -EINVAL; } @@ -834,7 +833,8 @@ static int __init omap_sr_probe(struct platform_device *pdev) if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto err_free_devinfo; } mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -880,7 +880,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) ret = sr_late_init(sr_info); if (ret) { pr_warning("%s: Error in SR late init\n", __func__); - return ret; + goto err_release_region; } } @@ -891,17 +891,20 @@ static int __init omap_sr_probe(struct platform_device *pdev) * not try to create rest of the debugfs entries. */ vdd_dbg_dir = omap_voltage_get_dbgdir(sr_info->voltdm); - if (!vdd_dbg_dir) - return -EINVAL; + if (!vdd_dbg_dir) { + ret = -EINVAL; + goto err_release_region; + } dbg_dir = debugfs_create_dir("smartreflex", vdd_dbg_dir); if (IS_ERR(dbg_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n", __func__); - return PTR_ERR(dbg_dir); + ret = PTR_ERR(dbg_dir); + goto err_release_region; } - (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUGO, dbg_dir, + (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, dbg_dir, (void *)sr_info, &pm_sr_fops); (void) debugfs_create_x32("errweight", S_IRUGO, dbg_dir, &sr_info->err_weight); @@ -914,7 +917,8 @@ static int __init omap_sr_probe(struct platform_device *pdev) if (IS_ERR(nvalue_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory" "for n-values\n", __func__); - return PTR_ERR(nvalue_dir); + ret = PTR_ERR(nvalue_dir); + goto err_release_region; } omap_voltage_get_volttable(sr_info->voltdm, &volt_data); @@ -923,24 +927,16 @@ static int __init omap_sr_probe(struct platform_device *pdev) " corresponding vdd vdd_%s. Cannot create debugfs" "entries for n-values\n", __func__, sr_info->voltdm->name); - return -ENODATA; + ret = -ENODATA; + goto err_release_region; } for (i = 0; i < sr_info->nvalue_count; i++) { - char *name; - char volt_name[32]; - - name = kzalloc(NVALUE_NAME_LEN + 1, GFP_KERNEL); - if (!name) { - dev_err(&pdev->dev, "%s: Unable to allocate memory" - " for n-value directory name\n", __func__); - return -ENOMEM; - } + char name[NVALUE_NAME_LEN + 1]; - strcpy(name, "volt_"); - sprintf(volt_name, "%d", volt_data[i].volt_nominal); - strcat(name, volt_name); - (void) debugfs_create_x32(name, S_IRUGO | S_IWUGO, nvalue_dir, + snprintf(name, sizeof(name), "volt_%d", + volt_data[i].volt_nominal); + (void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, &(sr_info->nvalue_table[i].nvalue)); } @@ -966,7 +962,7 @@ static int __devexit omap_sr_remove(struct platform_device *pdev) } sr_info = _sr_lookup(pdata->voltdm); - if (!sr_info) { + if (IS_ERR(sr_info)) { dev_warn(&pdev->dev, "%s: omap_sr struct not found\n", __func__); return -EINVAL; diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S index 055310cc77de..ff9b9dbcb30e 100644 --- a/arch/arm/mach-omap2/sram242x.S +++ b/arch/arm/mach-omap2/sram242x.S @@ -39,6 +39,7 @@ .text + .align 3 ENTRY(omap242x_sram_ddr_init) stmfd sp!, {r0 - r12, lr} @ save registers on stack @@ -143,6 +144,7 @@ ENTRY(omap242x_sram_ddr_init_sz) * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR] * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0 */ + .align 3 ENTRY(omap242x_sram_reprogram_sdrc) stmfd sp!, {r0 - r10, lr} @ save registers on stack mov r3, #0x0 @ clear for mrc call @@ -238,6 +240,7 @@ ENTRY(omap242x_sram_reprogram_sdrc_sz) /* * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode. */ + .align 3 ENTRY(omap242x_sram_set_prcm) stmfd sp!, {r0-r12, lr} @ regs to stack adr r4, pbegin @ addr of preload start diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S index f9007580aea3..76730209fa0e 100644 --- a/arch/arm/mach-omap2/sram243x.S +++ b/arch/arm/mach-omap2/sram243x.S @@ -39,6 +39,7 @@ .text + .align 3 ENTRY(omap243x_sram_ddr_init) stmfd sp!, {r0 - r12, lr} @ save registers on stack @@ -143,6 +144,7 @@ ENTRY(omap243x_sram_ddr_init_sz) * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR] * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0 */ + .align 3 ENTRY(omap243x_sram_reprogram_sdrc) stmfd sp!, {r0 - r10, lr} @ save registers on stack mov r3, #0x0 @ clear for mrc call @@ -238,6 +240,7 @@ ENTRY(omap243x_sram_reprogram_sdrc_sz) /* * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode. */ + .align 3 ENTRY(omap243x_sram_set_prcm) stmfd sp!, {r0-r12, lr} @ regs to stack adr r4, pbegin @ addr of preload start diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S index 7f893a29d500..25011ca2145d 100644 --- a/arch/arm/mach-omap2/sram34xx.S +++ b/arch/arm/mach-omap2/sram34xx.S @@ -111,6 +111,7 @@ * since it will cause the ARM MMU to attempt to walk the page tables. * These crashes may be intermittent. */ + .align 3 ENTRY(omap3_sram_configure_core_dpll) stmfd sp!, {r1-r12, lr} @ store regs to stack diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 4e48e786bec7..0fc550e7e482 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -39,9 +39,12 @@ #include <asm/mach/time.h> #include <plat/dmtimer.h> #include <asm/localtimer.h> +#include <asm/sched_clock.h> #include "timer-gp.h" +#include <plat/common.h> + /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */ #define MAX_GPTIMER_ID 12 @@ -176,14 +179,19 @@ static void __init omap2_gp_clockevent_init(void) /* * When 32k-timer is enabled, don't use GPTimer for clocksource * instead, just leave default clocksource which uses the 32k - * sync counter. See clocksource setup in see plat-omap/common.c. + * sync counter. See clocksource setup in plat-omap/counter_32k.c */ -static inline void __init omap2_gp_clocksource_init(void) {} +static void __init omap2_gp_clocksource_init(void) +{ + omap_init_clocksource_32k(); +} + #else /* * clocksource */ +static DEFINE_CLOCK_DATA(cd); static struct omap_dm_timer *gpt_clocksource; static cycle_t clocksource_read_cycles(struct clocksource *cs) { @@ -198,6 +206,15 @@ static struct clocksource clocksource_gpt = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static void notrace dmtimer_update_sched_clock(void) +{ + u32 cyc; + + cyc = omap_dm_timer_read_counter(gpt_clocksource); + + update_sched_clock(&cd, cyc, (u32)~0); +} + /* Setup free-running counter for clocksource */ static void __init omap2_gp_clocksource_init(void) { @@ -218,6 +235,8 @@ static void __init omap2_gp_clocksource_init(void) omap_dm_timer_set_load_start(gpt, 1, 0); + init_sched_clock(&cd, dmtimer_update_sched_clock, 32, tick_rate); + if (clocksource_register_hz(&clocksource_gpt, tick_rate)) printk(err2, clocksource_gpt.name); } diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-host.c index 25eeadabc39b..89ae29847c59 100644 --- a/arch/arm/mach-omap2/usb-ehci.c +++ b/arch/arm/mach-omap2/usb-host.c @@ -1,14 +1,15 @@ /* - * linux/arch/arm/mach-omap2/usb-ehci.c + * usb-host.c - OMAP USB Host * * This file will contain the board specific details for the - * Synopsys EHCI host controller on OMAP3430 + * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards * - * Copyright (C) 2007 Texas Instruments + * Copyright (C) 2007-2011 Texas Instruments * Author: Vikram Pandita <vikram.pandita@ti.com> + * Author: Keshava Munegowda <keshava_mgowda@ti.com> * * Generalization by: - * Felipe Balbi <felipe.balbi@nokia.com> + * Felipe Balbi <balbi@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -19,7 +20,7 @@ #include <linux/errno.h> #include <linux/delay.h> #include <linux/platform_device.h> -#include <linux/clk.h> +#include <linux/slab.h> #include <linux/dma-mapping.h> #include <asm/io.h> @@ -30,44 +31,56 @@ #include "mux.h" -#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) +#ifdef CONFIG_MFD_OMAP_USB_HOST -static struct resource ehci_resources[] = { +#define OMAP_USBHS_DEVICE "usbhs-omap" + +static struct resource usbhs_resources[] = { + { + .name = "uhh", + .flags = IORESOURCE_MEM, + }, { + .name = "tll", .flags = IORESOURCE_MEM, }, { + .name = "ehci", .flags = IORESOURCE_MEM, }, { + .name = "ehci-irq", + .flags = IORESOURCE_IRQ, + }, + { + .name = "ohci", .flags = IORESOURCE_MEM, }, - { /* general IRQ */ - .flags = IORESOURCE_IRQ, + { + .name = "ohci-irq", + .flags = IORESOURCE_IRQ, } }; -static u64 ehci_dmamask = ~(u32)0; -static struct platform_device ehci_device = { - .name = "ehci-omap", - .id = 0, - .dev = { - .dma_mask = &ehci_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = NULL, - }, - .num_resources = ARRAY_SIZE(ehci_resources), - .resource = ehci_resources, +static struct platform_device usbhs_device = { + .name = OMAP_USBHS_DEVICE, + .id = 0, + .num_resources = ARRAY_SIZE(usbhs_resources), + .resource = usbhs_resources, }; +static struct usbhs_omap_platform_data usbhs_data; +static struct ehci_hcd_omap_platform_data ehci_data; +static struct ohci_hcd_omap_platform_data ohci_data; + /* MUX settings for EHCI pins */ /* * setup_ehci_io_mux - initialize IO pad mux for USBHOST */ -static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) +static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { - case EHCI_HCD_OMAP_MODE_PHY: + case OMAP_EHCI_PORT_MODE_PHY: omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT); omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT); omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN); @@ -81,7 +94,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN); omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_TLL: + case OMAP_EHCI_PORT_MODE_TLL: omap_mux_init_signal("hsusb1_tll_stp", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("hsusb1_tll_clk", @@ -107,14 +120,14 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("hsusb1_tll_data7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_UNKNOWN: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; } switch (port_mode[1]) { - case EHCI_HCD_OMAP_MODE_PHY: + case OMAP_EHCI_PORT_MODE_PHY: omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT); omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT); omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN); @@ -136,7 +149,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("hsusb2_data7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_TLL: + case OMAP_EHCI_PORT_MODE_TLL: omap_mux_init_signal("hsusb2_tll_stp", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("hsusb2_tll_clk", @@ -162,17 +175,17 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("hsusb2_tll_data7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_UNKNOWN: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; } switch (port_mode[2]) { - case EHCI_HCD_OMAP_MODE_PHY: + case OMAP_EHCI_PORT_MODE_PHY: printk(KERN_WARNING "Port3 can't be used in PHY mode\n"); break; - case EHCI_HCD_OMAP_MODE_TLL: + case OMAP_EHCI_PORT_MODE_TLL: omap_mux_init_signal("hsusb3_tll_stp", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("hsusb3_tll_clk", @@ -198,7 +211,7 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("hsusb3_tll_data7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_UNKNOWN: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; @@ -207,10 +220,10 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) return; } -static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) +static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { - case EHCI_HCD_OMAP_MODE_PHY: + case OMAP_EHCI_PORT_MODE_PHY: omap_mux_init_signal("usbb1_ulpiphy_stp", OMAP_PIN_OUTPUT); omap_mux_init_signal("usbb1_ulpiphy_clk", @@ -236,7 +249,7 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("usbb1_ulpiphy_dat7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_TLL: + case OMAP_EHCI_PORT_MODE_TLL: omap_mux_init_signal("usbb1_ulpitll_stp", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("usbb1_ulpitll_clk", @@ -262,12 +275,12 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("usbb1_ulpitll_dat7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_UNKNOWN: + case OMAP_USBHS_PORT_MODE_UNUSED: default: break; } switch (port_mode[1]) { - case EHCI_HCD_OMAP_MODE_PHY: + case OMAP_EHCI_PORT_MODE_PHY: omap_mux_init_signal("usbb2_ulpiphy_stp", OMAP_PIN_OUTPUT); omap_mux_init_signal("usbb2_ulpiphy_clk", @@ -293,7 +306,7 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("usbb2_ulpiphy_dat7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_TLL: + case OMAP_EHCI_PORT_MODE_TLL: omap_mux_init_signal("usbb2_ulpitll_stp", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("usbb2_ulpitll_clk", @@ -319,90 +332,13 @@ static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode) omap_mux_init_signal("usbb2_ulpitll_dat7", OMAP_PIN_INPUT_PULLDOWN); break; - case EHCI_HCD_OMAP_MODE_UNKNOWN: + case OMAP_USBHS_PORT_MODE_UNUSED: default: break; } } -void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) -{ - platform_device_add_data(&ehci_device, pdata, sizeof(*pdata)); - - /* Setup Pin IO MUX for EHCI */ - if (cpu_is_omap34xx()) { - ehci_resources[0].start = OMAP34XX_EHCI_BASE; - ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1; - ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE; - ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1; - ehci_resources[2].start = OMAP34XX_USBTLL_BASE; - ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1; - ehci_resources[3].start = INT_34XX_EHCI_IRQ; - setup_ehci_io_mux(pdata->port_mode); - } else if (cpu_is_omap44xx()) { - ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE; - ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1; - ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE; - ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1; - ehci_resources[2].start = OMAP44XX_USBTLL_BASE; - ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1; - ehci_resources[3].start = OMAP44XX_IRQ_EHCI; - setup_4430ehci_io_mux(pdata->port_mode); - } - - if (platform_device_register(&ehci_device) < 0) { - printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n"); - return; - } -} - -#else - -void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata) - -{ -} - -#endif /* CONFIG_USB_EHCI_HCD */ - -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - -static struct resource ohci_resources[] = { - { - .start = OMAP34XX_OHCI_BASE, - .end = OMAP34XX_OHCI_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP34XX_UHH_CONFIG_BASE, - .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP34XX_USBTLL_BASE, - .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { /* general IRQ */ - .start = INT_34XX_OHCI_IRQ, - .flags = IORESOURCE_IRQ, - } -}; - -static u64 ohci_dmamask = DMA_BIT_MASK(32); - -static struct platform_device ohci_device = { - .name = "ohci-omap3", - .id = 0, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = 0xffffffff, - }, - .num_resources = ARRAY_SIZE(ohci_resources), - .resource = ohci_resources, -}; - -static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) +static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: @@ -430,7 +366,7 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) omap_mux_init_signal("mm1_txdat", OMAP_PIN_INPUT_PULLDOWN); break; - case OMAP_OHCI_PORT_MODE_UNUSED: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; @@ -461,7 +397,7 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) omap_mux_init_signal("mm2_txdat", OMAP_PIN_INPUT_PULLDOWN); break; - case OMAP_OHCI_PORT_MODE_UNUSED: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; @@ -492,31 +428,147 @@ static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode) omap_mux_init_signal("mm3_txdat", OMAP_PIN_INPUT_PULLDOWN); break; - case OMAP_OHCI_PORT_MODE_UNUSED: + case OMAP_USBHS_PORT_MODE_UNUSED: /* FALLTHROUGH */ default: break; } } -void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) +static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) { - platform_device_add_data(&ohci_device, pdata, sizeof(*pdata)); + switch (port_mode[0]) { + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: + omap_mux_init_signal("usbb1_mm_rxdp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usbb1_mm_rxdm", + OMAP_PIN_INPUT_PULLDOWN); - /* Setup Pin IO MUX for OHCI */ - if (cpu_is_omap34xx()) + case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: + omap_mux_init_signal("usbb1_mm_rxrcv", + OMAP_PIN_INPUT_PULLDOWN); + + case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: + omap_mux_init_signal("usbb1_mm_txen", + OMAP_PIN_INPUT_PULLDOWN); + + + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: + omap_mux_init_signal("usbb1_mm_txdat", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usbb1_mm_txse0", + OMAP_PIN_INPUT_PULLDOWN); + break; + + case OMAP_USBHS_PORT_MODE_UNUSED: + default: + break; + } + + switch (port_mode[1]) { + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM: + omap_mux_init_signal("usbb2_mm_rxdp", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usbb2_mm_rxdm", + OMAP_PIN_INPUT_PULLDOWN); + + case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM: + case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM: + omap_mux_init_signal("usbb2_mm_rxrcv", + OMAP_PIN_INPUT_PULLDOWN); + + case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0: + omap_mux_init_signal("usbb2_mm_txen", + OMAP_PIN_INPUT_PULLDOWN); + + + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0: + case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM: + omap_mux_init_signal("usbb2_mm_txdat", + OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_signal("usbb2_mm_txse0", + OMAP_PIN_INPUT_PULLDOWN); + break; + + case OMAP_USBHS_PORT_MODE_UNUSED: + default: + break; + } +} + +void __init usbhs_init(const struct usbhs_omap_board_data *pdata) +{ + int i; + + for (i = 0; i < OMAP3_HS_USB_PORTS; i++) { + usbhs_data.port_mode[i] = pdata->port_mode[i]; + ohci_data.port_mode[i] = pdata->port_mode[i]; + ehci_data.port_mode[i] = pdata->port_mode[i]; + ehci_data.reset_gpio_port[i] = pdata->reset_gpio_port[i]; + ehci_data.regulator[i] = pdata->regulator[i]; + } + ehci_data.phy_reset = pdata->phy_reset; + ohci_data.es2_compatibility = pdata->es2_compatibility; + usbhs_data.ehci_data = &ehci_data; + usbhs_data.ohci_data = &ohci_data; + + if (cpu_is_omap34xx()) { + usbhs_resources[0].start = OMAP34XX_UHH_CONFIG_BASE; + usbhs_resources[0].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1; + usbhs_resources[1].start = OMAP34XX_USBTLL_BASE; + usbhs_resources[1].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1; + usbhs_resources[2].start = OMAP34XX_EHCI_BASE; + usbhs_resources[2].end = OMAP34XX_EHCI_BASE + SZ_1K - 1; + usbhs_resources[3].start = INT_34XX_EHCI_IRQ; + usbhs_resources[4].start = OMAP34XX_OHCI_BASE; + usbhs_resources[4].end = OMAP34XX_OHCI_BASE + SZ_1K - 1; + usbhs_resources[5].start = INT_34XX_OHCI_IRQ; + setup_ehci_io_mux(pdata->port_mode); setup_ohci_io_mux(pdata->port_mode); + } else if (cpu_is_omap44xx()) { + usbhs_resources[0].start = OMAP44XX_UHH_CONFIG_BASE; + usbhs_resources[0].end = OMAP44XX_UHH_CONFIG_BASE + SZ_1K - 1; + usbhs_resources[1].start = OMAP44XX_USBTLL_BASE; + usbhs_resources[1].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1; + usbhs_resources[2].start = OMAP44XX_HSUSB_EHCI_BASE; + usbhs_resources[2].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1; + usbhs_resources[3].start = OMAP44XX_IRQ_EHCI; + usbhs_resources[4].start = OMAP44XX_HSUSB_OHCI_BASE; + usbhs_resources[4].end = OMAP44XX_HSUSB_OHCI_BASE + SZ_1K - 1; + usbhs_resources[5].start = OMAP44XX_IRQ_OHCI; + setup_4430ehci_io_mux(pdata->port_mode); + setup_4430ohci_io_mux(pdata->port_mode); + } - if (platform_device_register(&ohci_device) < 0) { - pr_err("Unable to register FS-USB (OHCI) device\n"); - return; + if (platform_device_add_data(&usbhs_device, + &usbhs_data, sizeof(usbhs_data)) < 0) { + printk(KERN_ERR "USBHS platform_device_add_data failed\n"); + goto init_end; } + + if (platform_device_register(&usbhs_device) < 0) + printk(KERN_ERR "USBHS platform_device_register failed\n"); + +init_end: + return; } #else -void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata) +void __init usbhs_init(const struct usbhs_omap_board_data *pdata) { } -#endif /* CONFIG_USB_OHCI_HCD */ +#endif + + diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 5298949d4b11..241fc94b4116 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -214,6 +214,10 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data) if (platform_device_register(&musb_device) < 0) printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n"); + + if (cpu_is_omap44xx()) + omap4430_phy_init(dev); + } #else diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index ed6079c94c57..12be525b8df4 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -471,6 +471,7 @@ static void __init vdd_debugfs_init(struct omap_vdd_info *vdd) strcat(name, vdd->voltdm.name); vdd->debug_dir = debugfs_create_dir(name, voltage_dir); + kfree(name); if (IS_ERR(vdd->debug_dir)) { pr_warning("%s: Unable to create debugfs directory for" " vdd_%s\n", __func__, vdd->voltdm.name); diff --git a/arch/arm/mach-orion5x/include/mach/memory.h b/arch/arm/mach-orion5x/include/mach/memory.h index 52a2955d0f87..6769917882fe 100644 --- a/arch/arm/mach-orion5x/include/mach/memory.h +++ b/arch/arm/mach-orion5x/include/mach/memory.h @@ -7,6 +7,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-pnx4008/include/mach/memory.h b/arch/arm/mach-pnx4008/include/mach/memory.h index 0e8770081058..1275db61cee5 100644 --- a/arch/arm/mach-pnx4008/include/mach/memory.h +++ b/arch/arm/mach-pnx4008/include/mach/memory.h @@ -16,6 +16,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x80000000) +#define PLAT_PHYS_OFFSET UL(0x80000000) #endif diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index a134a1413e01..e194d928cdaa 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -829,5 +829,5 @@ MACHINE_START(BALLOON3, "Balloon3") .init_irq = balloon3_init_irq, .timer = &pxa_timer, .init_machine = balloon3_init, - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = PLAT_PHYS_OFFSET + 0x100, MACHINE_END diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c index 6b2c800a1133..28f667e52ef9 100644 --- a/arch/arm/mach-pxa/colibri-evalboard.c +++ b/arch/arm/mach-pxa/colibri-evalboard.c @@ -50,7 +50,7 @@ static void __init colibri_mmc_init(void) GPIO0_COLIBRI_PXA270_SD_DETECT; if (machine_is_colibri300()) /* PXA300 Colibri */ colibri_mci_platform_data.gpio_card_detect = - GPIO39_COLIBRI_PXA300_SD_DETECT; + GPIO13_COLIBRI_PXA300_SD_DETECT; else /* PXA320 Colibri */ colibri_mci_platform_data.gpio_card_detect = GPIO28_COLIBRI_PXA320_SD_DETECT; diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c index fddb16d07eb0..66dd81cbc8a0 100644 --- a/arch/arm/mach-pxa/colibri-pxa300.c +++ b/arch/arm/mach-pxa/colibri-pxa300.c @@ -41,7 +41,7 @@ static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = { GPIO4_MMC1_DAT1, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, - GPIO39_GPIO, /* SD detect */ + GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */ /* UHC */ GPIO0_2_USBH_PEN, diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h index 388a96f1ef93..cb4236e98a0f 100644 --- a/arch/arm/mach-pxa/include/mach/colibri.h +++ b/arch/arm/mach-pxa/include/mach/colibri.h @@ -60,7 +60,7 @@ static inline void colibri_pxa3xx_init_nand(void) {} #define GPIO113_COLIBRI_PXA270_TS_IRQ 113 /* GPIO definitions for Colibri PXA300/310 */ -#define GPIO39_COLIBRI_PXA300_SD_DETECT 39 +#define GPIO13_COLIBRI_PXA300_SD_DETECT 13 /* GPIO definitions for Colibri PXA320 */ #define GPIO28_COLIBRI_PXA320_SD_DETECT 28 diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h index 92361a66b223..7f68724dcc27 100644 --- a/arch/arm/mach-pxa/include/mach/memory.h +++ b/arch/arm/mach-pxa/include/mach/memory.h @@ -15,7 +15,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0xa0000000) +#define PLAT_PHYS_OFFSET UL(0xa0000000) #if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI) void cmx2xx_pci_adjust_zones(unsigned long *size, unsigned long *holes); diff --git a/arch/arm/mach-pxa/include/mach/pm.h b/arch/arm/mach-pxa/include/mach/pm.h index fd8360c6839d..f15afe012995 100644 --- a/arch/arm/mach-pxa/include/mach/pm.h +++ b/arch/arm/mach-pxa/include/mach/pm.h @@ -22,9 +22,8 @@ struct pxa_cpu_pm_fns { extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; /* sleep.S */ -extern void pxa25x_cpu_suspend(unsigned int); -extern void pxa27x_cpu_suspend(unsigned int); -extern void pxa_cpu_resume(void); +extern void pxa25x_cpu_suspend(unsigned int, long); +extern void pxa27x_cpu_suspend(unsigned int, long); extern int pxa_pm_enter(suspend_state_t state); extern int pxa_pm_prepare(void); diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 405b92a29793..35572c427fa8 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -323,7 +323,7 @@ static struct platform_pwm_backlight_data palm27x_backlight_data = { .pwm_id = 0, .max_brightness = 0xfe, .dft_brightness = 0x7e, - .pwm_period_ns = 3500, + .pwm_period_ns = 3500 * 1024, .init = palm27x_backlight_init, .notify = palm27x_backlight_notify, .exit = palm27x_backlight_exit, diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c index 7bf4017326e3..3010193b081e 100644 --- a/arch/arm/mach-pxa/palmz72.c +++ b/arch/arm/mach-pxa/palmz72.c @@ -212,7 +212,7 @@ static unsigned long store_ptr; static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) { /* setup the resume_info struct for the original bootloader */ - palmz72_resume_info.resume_addr = (u32) pxa_cpu_resume; + palmz72_resume_info.resume_addr = (u32) cpu_resume; /* Storing memory touched by ROM */ store_ptr = *PALMZ72_SAVE_DWORD; diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 978e1b289544..51e1583265b2 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -33,7 +33,7 @@ int pxa_pm_enter(suspend_state_t state) #endif /* skip registers saving for standby */ - if (state != PM_SUSPEND_STANDBY) { + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->save) { pxa_cpu_pm_fns->save(sleep_save); /* before sleeping, calculate and save a checksum */ for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) @@ -44,7 +44,7 @@ int pxa_pm_enter(suspend_state_t state) pxa_cpu_pm_fns->enter(state); cpu_init(); - if (state != PM_SUSPEND_STANDBY) { + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->restore) { /* after sleeping, validate the checksum */ for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) checksum += sleep_save[i]; @@ -67,11 +67,6 @@ int pxa_pm_enter(suspend_state_t state) EXPORT_SYMBOL_GPL(pxa_pm_enter); -unsigned long sleep_phys_sp(void *sp) -{ - return virt_to_phys(sp); -} - static int pxa_pm_valid(suspend_state_t state) { if (pxa_cpu_pm_fns) diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index fbc5b775f895..6bde5956358d 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -244,7 +244,7 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state) switch (state) { case PM_SUSPEND_MEM: - pxa25x_cpu_suspend(PWRMODE_SLEEP); + pxa25x_cpu_suspend(PWRMODE_SLEEP, PLAT_PHYS_OFFSET - PAGE_OFFSET); break; } } @@ -252,7 +252,7 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state) static int pxa25x_cpu_pm_prepare(void) { /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); + PSPR = virt_to_phys(cpu_resume); return 0; } @@ -347,6 +347,7 @@ static struct platform_device *pxa25x_devices[] __initdata = { &pxa25x_device_assp, &pxa25x_device_pwm0, &pxa25x_device_pwm1, + &pxa_device_asoc_platform, }; static struct sys_device pxa25x_sysdev[] = { diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 987301ff4c33..28b11be00b3f 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -300,7 +300,7 @@ void pxa27x_cpu_pm_enter(suspend_state_t state) pxa_cpu_standby(); break; case PM_SUSPEND_MEM: - pxa27x_cpu_suspend(pwrmode); + pxa27x_cpu_suspend(pwrmode, PLAT_PHYS_OFFSET - PAGE_OFFSET); break; } } @@ -313,7 +313,7 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state) static int pxa27x_cpu_pm_prepare(void) { /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); + PSPR = virt_to_phys(cpu_resume); return 0; } diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index a7a19e1cd640..1230343d9c70 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -142,8 +142,7 @@ static void pxa3xx_cpu_pm_suspend(void) volatile unsigned long *p = (volatile void *)0xc0000000; unsigned long saved_data = *p; - extern void pxa3xx_cpu_suspend(void); - extern void pxa3xx_cpu_resume(void); + extern void pxa3xx_cpu_suspend(long); /* resuming from D2 requires the HSIO2/BOOT/TPM clocks enabled */ CKENA |= (1 << CKEN_BOOT) | (1 << CKEN_TPM); @@ -161,9 +160,9 @@ static void pxa3xx_cpu_pm_suspend(void) PSPR = 0x5c014000; /* overwrite with the resume address */ - *p = virt_to_phys(pxa3xx_cpu_resume); + *p = virt_to_phys(cpu_resume); - pxa3xx_cpu_suspend(); + pxa3xx_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET); *p = saved_data; diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S index c551da86baf6..6f5368899d84 100644 --- a/arch/arm/mach-pxa/sleep.S +++ b/arch/arm/mach-pxa/sleep.S @@ -22,133 +22,26 @@ .text -pxa_cpu_save_cp: - @ get coprocessor registers - mrc p14, 0, r3, c6, c0, 0 @ clock configuration, for turbo mode - mrc p15, 0, r4, c15, c1, 0 @ CP access reg - mrc p15, 0, r5, c13, c0, 0 @ PID - mrc p15, 0, r6, c3, c0, 0 @ domain ID - mrc p15, 0, r7, c2, c0, 0 @ translation table base addr - mrc p15, 0, r8, c1, c1, 0 @ auxiliary control reg - mrc p15, 0, r9, c1, c0, 0 @ control reg - - bic r3, r3, #2 @ clear frequency change bit - - @ store them plus current virtual stack ptr on stack - mov r10, sp - stmfd sp!, {r3 - r10} - - mov pc, lr - -pxa_cpu_save_sp: - @ preserve phys address of stack - mov r0, sp - str lr, [sp, #-4]! - bl sleep_phys_sp - ldr r1, =sleep_save_sp - str r0, [r1] - ldr pc, [sp], #4 - #ifdef CONFIG_PXA3xx /* * pxa3xx_cpu_suspend() - forces CPU into sleep state (S2D3C4) * - * NOTE: unfortunately, pxa_cpu_save_cp can not be reused here since - * the auxiliary control register address is different between pxa3xx - * and pxa{25x,27x} + * r0 = v:p offset */ - ENTRY(pxa3xx_cpu_suspend) #ifndef CONFIG_IWMMXT mra r2, r3, acc0 #endif stmfd sp!, {r2 - r12, lr} @ save registers on stack - - mrc p14, 0, r3, c6, c0, 0 @ clock configuration, for turbo mode - mrc p15, 0, r4, c15, c1, 0 @ CP access reg - mrc p15, 0, r5, c13, c0, 0 @ PID - mrc p15, 0, r6, c3, c0, 0 @ domain ID - mrc p15, 0, r7, c2, c0, 0 @ translation table base addr - mrc p15, 0, r8, c1, c0, 1 @ auxiliary control reg - mrc p15, 0, r9, c1, c0, 0 @ control reg - - bic r3, r3, #2 @ clear frequency change bit - - @ store them plus current virtual stack ptr on stack - mov r10, sp - stmfd sp!, {r3 - r10} - - @ store physical address of stack pointer - mov r0, sp - bl sleep_phys_sp - ldr r1, =sleep_save_sp - str r0, [r1] - - @ clean data cache - bl xsc3_flush_kern_cache_all + mov r1, r0 + ldr r3, =pxa_cpu_resume @ resume function + bl cpu_suspend mov r0, #0x06 @ S2D3C4 mode mcr p14, 0, r0, c7, c0, 0 @ enter sleep 20: b 20b @ waiting for sleep - - .data - .align 5 -/* - * pxa3xx_cpu_resume - */ - -ENTRY(pxa3xx_cpu_resume) - - mov r0, #PSR_I_BIT | PSR_F_BIT | SVC_MODE @ set SVC, irqs off - msr cpsr_c, r0 - - ldr r0, sleep_save_sp @ stack phys addr - ldmfd r0, {r3 - r9, sp} @ CP regs + virt stack ptr - - mov r1, #0 - mcr p15, 0, r1, c7, c7, 0 @ invalidate I & D caches, BTB - mcr p15, 0, r1, c7, c10, 4 @ drain write (&fill) buffer - mcr p15, 0, r1, c7, c5, 4 @ flush prefetch buffer - mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs - - mcr p14, 0, r3, c6, c0, 0 @ clock configuration, turbo mode. - mcr p15, 0, r4, c15, c1, 0 @ CP access reg - mcr p15, 0, r5, c13, c0, 0 @ PID - mcr p15, 0, r6, c3, c0, 0 @ domain ID - mcr p15, 0, r7, c2, c0, 0 @ translation table base addr - mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg - - @ temporarily map resume_turn_on_mmu into the page table, - @ otherwise prefetch abort occurs after MMU is turned on - mov r1, r7 - bic r1, r1, #0x00ff - bic r1, r1, #0x3f00 - ldr r2, =0x542e - - adr r3, resume_turn_on_mmu - mov r3, r3, lsr #20 - orr r4, r2, r3, lsl #20 - ldr r5, [r1, r3, lsl #2] - str r4, [r1, r3, lsl #2] - - @ Mapping page table address in the page table - mov r6, r1, lsr #20 - orr r7, r2, r6, lsl #20 - ldr r8, [r1, r6, lsl #2] - str r7, [r1, r6, lsl #2] - - ldr r2, =pxa3xx_resume_after_mmu @ absolute virtual address - b resume_turn_on_mmu @ cache align execution - - .text -pxa3xx_resume_after_mmu: - /* restore the temporary mapping */ - str r5, [r1, r3, lsl #2] - str r8, [r1, r6, lsl #2] - b resume_after_mmu - #endif /* CONFIG_PXA3xx */ #ifdef CONFIG_PXA27x @@ -158,28 +51,23 @@ pxa3xx_resume_after_mmu: * Forces CPU into sleep state. * * r0 = value for PWRMODE M field for desired sleep state + * r1 = v:p offset */ - ENTRY(pxa27x_cpu_suspend) #ifndef CONFIG_IWMMXT mra r2, r3, acc0 #endif stmfd sp!, {r2 - r12, lr} @ save registers on stack - - bl pxa_cpu_save_cp - - mov r5, r0 @ save sleep mode - bl pxa_cpu_save_sp - - @ clean data cache - bl xscale_flush_kern_cache_all + mov r4, r0 @ save sleep mode + ldr r3, =pxa_cpu_resume @ resume function + bl cpu_suspend @ Put the processor to sleep @ (also workaround for sighting 28071) @ prepare value for sleep mode - mov r1, r5 @ sleep mode + mov r1, r4 @ sleep mode @ prepare pointer to physical address 0 (virtual mapping in generic.c) mov r2, #UNCACHED_PHYS_0 @@ -216,21 +104,16 @@ ENTRY(pxa27x_cpu_suspend) * Forces CPU into sleep state. * * r0 = value for PWRMODE M field for desired sleep state + * r1 = v:p offset */ ENTRY(pxa25x_cpu_suspend) stmfd sp!, {r2 - r12, lr} @ save registers on stack - - bl pxa_cpu_save_cp - - mov r5, r0 @ save sleep mode - bl pxa_cpu_save_sp - - @ clean data cache - bl xscale_flush_kern_cache_all - + mov r4, r0 @ save sleep mode + ldr r3, =pxa_cpu_resume @ resume function + bl cpu_suspend @ prepare value for sleep mode - mov r1, r5 @ sleep mode + mov r1, r4 @ sleep mode @ prepare pointer to physical address 0 (virtual mapping in generic.c) mov r2, #UNCACHED_PHYS_0 @@ -317,53 +200,9 @@ pxa_cpu_do_suspend: * pxa_cpu_resume() * * entry point from bootloader into kernel during resume - * - * Note: Yes, part of the following code is located into the .data section. - * This is to allow sleep_save_sp to be accessed with a relative load - * while we can't rely on any MMU translation. We could have put - * sleep_save_sp in the .text section as well, but some setups might - * insist on it to be truly read-only. */ - - .data - .align 5 -ENTRY(pxa_cpu_resume) - mov r0, #PSR_I_BIT | PSR_F_BIT | SVC_MODE @ set SVC, irqs off - msr cpsr_c, r0 - - ldr r0, sleep_save_sp @ stack phys addr - ldr r2, =resume_after_mmu @ its absolute virtual address - ldmfd r0, {r3 - r9, sp} @ CP regs + virt stack ptr - - mov r1, #0 - mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs - mcr p15, 0, r1, c7, c7, 0 @ invalidate I & D caches, BTB - - mcr p14, 0, r3, c6, c0, 0 @ clock configuration, turbo mode. - mcr p15, 0, r4, c15, c1, 0 @ CP access reg - mcr p15, 0, r5, c13, c0, 0 @ PID - mcr p15, 0, r6, c3, c0, 0 @ domain ID - mcr p15, 0, r7, c2, c0, 0 @ translation table base addr - mcr p15, 0, r8, c1, c1, 0 @ auxiliary control reg - b resume_turn_on_mmu @ cache align execution - .align 5 -resume_turn_on_mmu: - mcr p15, 0, r9, c1, c0, 0 @ turn on MMU, caches, etc. - - @ Let us ensure we jump to resume_after_mmu only when the mcr above - @ actually took effect. They call it the "cpwait" operation. - mrc p15, 0, r0, c2, c0, 0 @ queue a dependency on CP15 - sub pc, r2, r0, lsr #32 @ jump to virtual addr - nop - nop - nop - -sleep_save_sp: - .word 0 @ preserve stack phys ptr here - - .text -resume_after_mmu: +pxa_cpu_resume: ldmfd sp!, {r2, r3} #ifndef CONFIG_IWMMXT mar acc0, r2, r3 diff --git a/arch/arm/mach-pxa/tosa-bt.c b/arch/arm/mach-pxa/tosa-bt.c index c31e601eb49c..b9b1e5c2b290 100644 --- a/arch/arm/mach-pxa/tosa-bt.c +++ b/arch/arm/mach-pxa/tosa-bt.c @@ -81,8 +81,6 @@ static int tosa_bt_probe(struct platform_device *dev) goto err_rfk_alloc; } - rfkill_set_led_trigger_name(rfk, "tosa-bt"); - rc = rfkill_register(rfk); if (rc) goto err_rfkill; diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index af152e70cfcf..f2582ec300d9 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -875,6 +875,11 @@ static struct platform_device sharpsl_rom_device = { .dev.platform_data = &sharpsl_rom_data, }; +static struct platform_device wm9712_device = { + .name = "wm9712-codec", + .id = -1, +}; + static struct platform_device *devices[] __initdata = { &tosascoop_device, &tosascoop_jc_device, @@ -885,6 +890,7 @@ static struct platform_device *devices[] __initdata = { &tosaled_device, &tosa_bt_device, &sharpsl_rom_device, + &wm9712_device, }; static void tosa_poweroff(void) diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c index f4b053b35815..b92aa3b8c4f7 100644 --- a/arch/arm/mach-pxa/zeus.c +++ b/arch/arm/mach-pxa/zeus.c @@ -676,7 +676,7 @@ static struct pxa2xx_udc_mach_info zeus_udc_info = { static void zeus_power_off(void) { local_irq_disable(); - pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP); + pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP, PLAT_PHYS_OFFSET - PAGE_OFFSET); } #else #define zeus_power_off NULL diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index b4575ae9648e..b9a9805e4828 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -2,52 +2,57 @@ menu "RealView platform type" depends on ARCH_REALVIEW config MACH_REALVIEW_EB - bool "Support RealView/EB platform" + bool "Support RealView(R) Emulation Baseboard" select ARM_GIC help - Include support for the ARM(R) RealView Emulation Baseboard platform. + Include support for the ARM(R) RealView(R) Emulation Baseboard + platform. config REALVIEW_EB_A9MP - bool "Support Multicore Cortex-A9" + bool "Support Multicore Cortex-A9 Tile" depends on MACH_REALVIEW_EB select CPU_V7 help - Enable support for the Cortex-A9MPCore tile on the Realview platform. + Enable support for the Cortex-A9MPCore tile fitted to the + Realview(R) Emulation Baseboard platform. config REALVIEW_EB_ARM11MP - bool "Support ARM11MPCore tile" + bool "Support ARM11MPCore Tile" depends on MACH_REALVIEW_EB - select CPU_V6 + select CPU_V6K select ARCH_HAS_BARRIERS if SMP help - Enable support for the ARM11MPCore tile on the Realview platform. + Enable support for the ARM11MPCore tile fitted to the Realview(R) + Emulation Baseboard platform. config REALVIEW_EB_ARM11MP_REVB - bool "Support ARM11MPCore RevB tile" + bool "Support ARM11MPCore RevB Tile" depends on REALVIEW_EB_ARM11MP help - Enable support for the ARM11MPCore RevB tile on the Realview - platform. Since there are device address differences, a - kernel built with this option enabled is not compatible with - other revisions of the ARM11MPCore tile. + Enable support for the ARM11MPCore Revision B tile on the + Realview(R) Emulation Baseboard platform. Since there are device + address differences, a kernel built with this option enabled is + not compatible with other revisions of the ARM11MPCore tile. config MACH_REALVIEW_PB11MP - bool "Support RealView/PB11MPCore platform" - select CPU_V6 + bool "Support RealView(R) Platform Baseboard for ARM11MPCore" + select CPU_V6K select ARM_GIC select HAVE_PATA_PLATFORM select ARCH_HAS_BARRIERS if SMP help - Include support for the ARM(R) RealView MPCore Platform Baseboard. - PB11MPCore is a platform with an on-board ARM11MPCore and has + Include support for the ARM(R) RealView(R) Platform Baseboard for + the ARM11MPCore. This platform has an on-board ARM11MPCore and has support for PCI-E and Compact Flash. +# ARMv6 CPU without K extensions, but does have the new exclusive ops config MACH_REALVIEW_PB1176 - bool "Support RealView/PB1176 platform" + bool "Support RealView(R) Platform Baseboard for ARM1176JZF-S" select CPU_V6 select ARM_GIC help - Include support for the ARM(R) RealView ARM1176 Platform Baseboard. + Include support for the ARM(R) RealView(R) Platform Baseboard for + ARM1176JZF-S. config REALVIEW_PB1176_SECURE_FLASH bool "Allow access to the secure flash memory block" @@ -59,23 +64,24 @@ config REALVIEW_PB1176_SECURE_FLASH block (64MB @ 0x3c000000) is required. config MACH_REALVIEW_PBA8 - bool "Support RealView/PB-A8 platform" + bool "Support RealView(R) Platform Baseboard for Cortex(tm)-A8 platform" select CPU_V7 select ARM_GIC select HAVE_PATA_PLATFORM help - Include support for the ARM(R) RealView Cortex-A8 Platform Baseboard. - PB-A8 is a platform with an on-board Cortex-A8 and has support for - PCI-E and Compact Flash. + Include support for the ARM(R) RealView Platform Baseboard for + Cortex(tm)-A8. This platform has an on-board Cortex-A8 and has + support for PCI-E and Compact Flash. config MACH_REALVIEW_PBX - bool "Support RealView/PBX platform" + bool "Support RealView(R) Platform Baseboard Explore" select ARM_GIC select HAVE_PATA_PLATFORM select ARCH_SPARSEMEM_ENABLE if CPU_V7 && !REALVIEW_HIGH_PHYS_OFFSET select ZONE_DMA if SPARSEMEM help - Include support for the ARM(R) RealView PBX platform. + Include support for the ARM(R) RealView(R) Platform Baseboard + Explore. config REALVIEW_HIGH_PHYS_OFFSET bool "High physical base address for the RealView platform" diff --git a/arch/arm/mach-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h index 5dafc157b276..e05fc2c4c080 100644 --- a/arch/arm/mach-realview/include/mach/memory.h +++ b/arch/arm/mach-realview/include/mach/memory.h @@ -24,9 +24,9 @@ * Physical DRAM offset. */ #ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET -#define PHYS_OFFSET UL(0x70000000) +#define PLAT_PHYS_OFFSET UL(0x70000000) #else -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif #if !defined(__ASSEMBLY__) && defined(CONFIG_ZONE_DMA) diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index a22bf67f2f78..6959d13d908a 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -41,7 +41,7 @@ volatile int __cpuinitdata pen_release = -1; * observers, irrespective of whether they're taking part in coherency * or not. This is necessary for the hotplug code to work reliably. */ -static void write_pen_release(int val) +static void __cpuinit write_pen_release(int val) { pen_release = val; smp_wmb(); diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 6ef5c5e528b2..8ede983b861c 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -484,7 +484,7 @@ static void __init realview_eb_init(void) MACHINE_START(REALVIEW_EB, "ARM-RealView EB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, .map_io = realview_eb_map_io, .init_irq = gic_init_irq, diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index cbdc97a5685f..9f26369555c7 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -379,7 +379,7 @@ static void __init realview_pb1176_init(void) MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .fixup = realview_pb1176_fixup, .map_io = realview_pb1176_map_io, .init_irq = gic_init_irq, diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index 8e8ab7d29a6a..dea06b2da3a2 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -381,7 +381,7 @@ static void __init realview_pb11mp_init(void) MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, .map_io = realview_pb11mp_map_io, .init_irq = gic_init_irq, diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index 841118e3e118..7d0f1734a217 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -331,7 +331,7 @@ static void __init realview_pba8_init(void) MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, .map_io = realview_pba8_map_io, .init_irq = gic_init_irq, diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index 02b755b009db..b89e28f8853e 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -414,7 +414,7 @@ static void __init realview_pbx_init(void) MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .fixup = realview_pbx_fixup, .map_io = realview_pbx_map_io, .init_irq = gic_init_irq, diff --git a/arch/arm/mach-rpc/include/mach/memory.h b/arch/arm/mach-rpc/include/mach/memory.h index 78191bf25192..18a221093bf5 100644 --- a/arch/arm/mach-rpc/include/mach/memory.h +++ b/arch/arm/mach-rpc/include/mach/memory.h @@ -21,7 +21,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x10000000) +#define PLAT_PHYS_OFFSET UL(0x10000000) /* * Cache flushing area - ROM diff --git a/arch/arm/mach-s3c2400/include/mach/memory.h b/arch/arm/mach-s3c2400/include/mach/memory.h index cf5901ffd385..3f33670dd012 100644 --- a/arch/arm/mach-s3c2400/include/mach/memory.h +++ b/arch/arm/mach-s3c2400/include/mach/memory.h @@ -15,6 +15,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x0C000000) +#define PLAT_PHYS_OFFSET UL(0x0C000000) #endif diff --git a/arch/arm/mach-s3c2410/include/mach/memory.h b/arch/arm/mach-s3c2410/include/mach/memory.h index 6f1e5871ae4b..f92b97b89c0c 100644 --- a/arch/arm/mach-s3c2410/include/mach/memory.h +++ b/arch/arm/mach-s3c2410/include/mach/memory.h @@ -11,6 +11,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x30000000) +#define PLAT_PHYS_OFFSET UL(0x30000000) #endif diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 1a81fe12ccd7..1e93f176c1de 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -162,29 +162,10 @@ struct gpio_chip h1940_latch_gpiochip = { .get = h1940_gpiolib_latch_get, }; -static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) -{ - printk(KERN_DEBUG "udc: pullup(%d)\n",cmd); - - switch (cmd) - { - case S3C2410_UDC_P_ENABLE : - gpio_set_value(H1940_LATCH_USB_DP, 1); - break; - case S3C2410_UDC_P_DISABLE : - gpio_set_value(H1940_LATCH_USB_DP, 0); - break; - case S3C2410_UDC_P_RESET : - break; - default: - break; - } -} - static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { - .udc_command = h1940_udc_pullup, .vbus_pin = S3C2410_GPG(5), .vbus_pin_inverted = 1, + .pullup_pin = H1940_LATCH_USB_DP, }; static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { @@ -475,9 +456,6 @@ static void __init h1940_init(void) gpio_direction_output(H1940_LATCH_LCD_P4, 0); gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); - gpio_request(H1940_LATCH_USB_DP, "USB pullup"); - gpio_direction_output(H1940_LATCH_USB_DP, 0); - gpio_request(H1940_LATCH_SD_POWER, "SD power"); gpio_direction_output(H1940_LATCH_SD_POWER, 0); diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 271b9aa6d40a..66f44440d5d3 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -84,26 +84,10 @@ static struct s3c2410_uartcfg n30_uartcfgs[] = { }, }; -static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd) -{ - switch (cmd) { - case S3C2410_UDC_P_ENABLE : - gpio_set_value(S3C2410_GPB(3), 1); - break; - case S3C2410_UDC_P_DISABLE : - gpio_set_value(S3C2410_GPB(3), 0); - break; - case S3C2410_UDC_P_RESET : - break; - default: - break; - } -} - static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = { - .udc_command = n30_udc_pullup, .vbus_pin = S3C2410_GPG(1), .vbus_pin_inverted = 0, + .pullup_pin = S3C2410_GPB(3), }; static struct gpio_keys_button n30_buttons[] = { @@ -596,9 +580,6 @@ static void __init n30_init(void) platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices)); } - - WARN_ON(gpio_request(S3C2410_GPB(3), "udc pup")); - gpio_direction_output(S3C2410_GPB(3), 0); } MACHINE_START(N30, "Acer-N30") diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index 8e5758bdd666..834cfb61bcfe 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -78,28 +78,9 @@ static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = { } }; -static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd) -{ - printk(KERN_DEBUG "udc: pullup(%d)\n",cmd); - - switch (cmd) - { - case S3C2410_UDC_P_ENABLE : - gpio_set_value(S3C2410_GPF(2), 1); - break; - case S3C2410_UDC_P_DISABLE : - gpio_set_value(S3C2410_GPF(2), 0); - break; - case S3C2410_UDC_P_RESET : - break; - default: - break; - } -} - static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = { - .udc_command = smdk2413_udc_pullup, + .pullup_pin = S3C2410_GPF(2), }; @@ -133,9 +114,6 @@ static void __init smdk2413_machine_init(void) { /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ - WARN_ON(gpio_request(S3C2410_GPF(2), "udc pull")); - gpio_direction_output(S3C2410_GPF(2), 0); - s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | S3C2410_MISCCR_USBSUSPND0 | S3C2410_MISCCR_USBSUSPND1, 0x0); diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index a0cb2581894f..50825a3f91cc 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -99,6 +99,7 @@ config MACH_NEO1973_GTA02 select POWER_SUPPLY select MACH_NEO1973 select S3C2410_PWM + select S3C_DEV_USB_HOST help Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone diff --git a/arch/arm/mach-s3c2440/include/mach/gta02.h b/arch/arm/mach-s3c2440/include/mach/gta02.h index 953331d8d56a..3a56a229cac6 100644 --- a/arch/arm/mach-s3c2440/include/mach/gta02.h +++ b/arch/arm/mach-s3c2440/include/mach/gta02.h @@ -44,19 +44,19 @@ #define GTA02v3_GPIO_nUSB_FLT S3C2410_GPG(10) /* v3 + v4 only */ #define GTA02v3_GPIO_nGSM_OC S3C2410_GPG(11) /* v3 + v4 only */ -#define GTA02_GPIO_AMP_SHUT S3C2440_GPJ1 /* v2 + v3 + v4 only */ -#define GTA02v1_GPIO_WLAN_GPIO10 S3C2440_GPJ2 -#define GTA02_GPIO_HP_IN S3C2440_GPJ2 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_INT0 S3C2440_GPJ3 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_nGSM_EN S3C2440_GPJ4 -#define GTA02_GPIO_3D_RESET S3C2440_GPJ5 -#define GTA02_GPIO_nDL_GSM S3C2440_GPJ6 /* v4 + v5 only */ -#define GTA02_GPIO_WLAN_GPIO0 S3C2440_GPJ7 -#define GTA02v1_GPIO_BAT_ID S3C2440_GPJ8 -#define GTA02_GPIO_KEEPACT S3C2440_GPJ8 -#define GTA02v1_GPIO_HP_IN S3C2440_GPJ10 -#define GTA02_CHIP_PWD S3C2440_GPJ11 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_nWLAN_RESET S3C2440_GPJ12 /* v2 + v3 + v4 only */ +#define GTA02_GPIO_AMP_SHUT S3C2410_GPJ(1) /* v2 + v3 + v4 only */ +#define GTA02v1_GPIO_WLAN_GPIO10 S3C2410_GPJ(2) +#define GTA02_GPIO_HP_IN S3C2410_GPJ(2) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_INT0 S3C2410_GPJ(3) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_nGSM_EN S3C2410_GPJ(4) +#define GTA02_GPIO_3D_RESET S3C2410_GPJ(5) +#define GTA02_GPIO_nDL_GSM S3C2410_GPJ(6) /* v4 + v5 only */ +#define GTA02_GPIO_WLAN_GPIO0 S3C2410_GPJ(7) +#define GTA02v1_GPIO_BAT_ID S3C2410_GPJ(8) +#define GTA02_GPIO_KEEPACT S3C2410_GPJ(8) +#define GTA02v1_GPIO_HP_IN S3C2410_GPJ(10) +#define GTA02_CHIP_PWD S3C2410_GPJ(11) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_nWLAN_RESET S3C2410_GPJ(12) /* v2 + v3 + v4 only */ #define GTA02_IRQ_GSENSOR_1 IRQ_EINT0 #define GTA02_IRQ_MODEM IRQ_EINT1 diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index 9f2c14ec7181..37405d9abe32 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -455,28 +455,10 @@ static struct s3c2410_platform_nand __initdata gta02_nand_info = { }; -static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd) -{ - switch (cmd) { - case S3C2410_UDC_P_ENABLE: - pr_debug("%s S3C2410_UDC_P_ENABLE\n", __func__); - gpio_direction_output(GTA02_GPIO_USB_PULLUP, 1); - break; - case S3C2410_UDC_P_DISABLE: - pr_debug("%s S3C2410_UDC_P_DISABLE\n", __func__); - gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0); - break; - case S3C2410_UDC_P_RESET: - pr_debug("%s S3C2410_UDC_P_RESET\n", __func__); - /* FIXME: Do something here. */ - } -} - /* Get PMU to set USB current limit accordingly. */ -static struct s3c2410_udc_mach_info gta02_udc_cfg = { +static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = { .vbus_draw = gta02_udc_vbus_draw, - .udc_command = gta02_udc_command, - + .pullup_pin = GTA02_GPIO_USB_PULLUP, }; /* USB */ diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index f62bb4c793bd..d80f129bca94 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -97,26 +97,8 @@ static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { /* USB device UDC support */ -static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd) -{ - pr_debug("udc: pullup(%d)\n", cmd); - - switch (cmd) { - case S3C2410_UDC_P_ENABLE : - gpio_set_value(S3C2410_GPC(5), 1); - break; - case S3C2410_UDC_P_DISABLE : - gpio_set_value(S3C2410_GPC(5), 0); - break; - case S3C2410_UDC_P_RESET : - break; - default: - break; - } -} - static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { - .udc_command = mini2440_udc_pullup, + .pullup_pin = S3C2410_GPC(5), }; @@ -644,10 +626,6 @@ static void __init mini2440_init(void) s3c2410_gpio_setpin(S3C2410_GPB(1), 0); s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); - /* Make sure the D+ pullup pin is output */ - WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup")); - gpio_direction_output(S3C2410_GPC(5), 0); - /* mark the key as input, without pullups (there is one on the board) */ for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c index eab6ae50683c..86bbc233b31c 100644 --- a/arch/arm/mach-s3c2440/mach-rx1950.c +++ b/arch/arm/mach-s3c2440/mach-rx1950.c @@ -566,26 +566,10 @@ static struct s3c2410_platform_nand rx1950_nand_info = { .sets = rx1950_nand_sets, }; -static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd) -{ - switch (cmd) { - case S3C2410_UDC_P_ENABLE: - gpio_direction_output(S3C2410_GPJ(5), 1); - break; - case S3C2410_UDC_P_DISABLE: - gpio_direction_output(S3C2410_GPJ(5), 0); - break; - case S3C2410_UDC_P_RESET: - break; - default: - break; - } -} - static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = { - .udc_command = rx1950_udc_pullup, .vbus_pin = S3C2410_GPG(5), .vbus_pin_inverted = 1, + .pullup_pin = S3C2410_GPJ(5), }; static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = { @@ -750,9 +734,6 @@ static void __init rx1950_init_machine(void) S3C2410_MISCCR_USBSUSPND0 | S3C2410_MISCCR_USBSUSPND1, 0x0); - WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup")); - gpio_direction_output(S3C2410_GPJ(5), 0); - /* mmc power is disabled by default */ WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power")); gpio_direction_output(S3C2410_GPJ(1), 0); diff --git a/arch/arm/mach-s3c24a0/include/mach/memory.h b/arch/arm/mach-s3c24a0/include/mach/memory.h index 7d74fd5c8d66..7d208a71b172 100644 --- a/arch/arm/mach-s3c24a0/include/mach/memory.h +++ b/arch/arm/mach-s3c24a0/include/mach/memory.h @@ -11,7 +11,7 @@ #ifndef __ASM_ARCH_24A0_MEMORY_H #define __ASM_ARCH_24A0_MEMORY_H __FILE__ -#define PHYS_OFFSET UL(0x10000000) +#define PLAT_PHYS_OFFSET UL(0x10000000) #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index dd3782064508..fdfc4d5e37a1 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -151,6 +151,12 @@ static struct clk init_clocks_off[] = { .enable = s3c64xx_pclk_ctrl, .ctrlbit = S3C_CLKCON_PCLK_IIC, }, { + .name = "i2c", + .id = 1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, + }, { .name = "iis", .id = 0, .parent = &clk_p, diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 135db1b41252..c35585cf8c4f 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -690,12 +690,12 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, regptr = regs + PL080_Cx_BASE(0); - for (ch = 0; ch < 8; ch++, chno++, chptr++) { - printk(KERN_INFO "%s: registering DMA %d (%p)\n", - __func__, chno, regptr); + for (ch = 0; ch < 8; ch++, chptr++) { + pr_debug("%s: registering DMA %d (%p)\n", + __func__, chno + ch, regptr); chptr->bit = 1 << ch; - chptr->number = chno; + chptr->number = chno + ch; chptr->dmac = dmac; chptr->regs = regptr; regptr += PL080_Cx_STRIDE; @@ -704,7 +704,8 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, /* for the moment, permanently enable the controller */ writel(PL080_CONFIG_ENABLE, regs + PL080_CONFIG); - printk(KERN_INFO "PL080: IRQ %d, at %p\n", irq, regs); + printk(KERN_INFO "PL080: IRQ %d, at %p, channels %d..%d\n", + irq, regs, chno, chno+8); return 0; diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c index fd99a82e82c4..92b09085caaa 100644 --- a/arch/arm/mach-s3c64xx/gpiolib.c +++ b/arch/arm/mach-s3c64xx/gpiolib.c @@ -72,7 +72,7 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { .get_pull = s3c_gpio_getpull_updown, }; -int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) +static int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) { return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; } @@ -138,7 +138,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }; -int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) +static int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) { return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; } diff --git a/arch/arm/mach-s3c64xx/include/mach/memory.h b/arch/arm/mach-s3c64xx/include/mach/memory.h index 42cc54e2ee30..4760cdae1eb6 100644 --- a/arch/arm/mach-s3c64xx/include/mach/memory.h +++ b/arch/arm/mach-s3c64xx/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x50000000) +#define PLAT_PHYS_OFFSET UL(0x50000000) #define CONSISTENT_DMA_SIZE SZ_8M diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index e85192a86fbe..a80a3163dd30 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -28,6 +28,7 @@ #include <linux/delay.h> #include <linux/smsc911x.h> #include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #ifdef CONFIG_SMDK6410_WM1190_EV1 #include <linux/mfd/wm8350/core.h> @@ -351,7 +352,7 @@ static struct regulator_init_data smdk6410_vddpll = { /* VDD_UH_MMC, LDO5 on J5 */ static struct regulator_init_data smdk6410_vdduh_mmc = { .constraints = { - .name = "PVDD_UH/PVDD_MMC", + .name = "PVDD_UH+PVDD_MMC", .always_on = 1, }, }; @@ -417,7 +418,7 @@ static struct regulator_init_data smdk6410_vddaudio = { /* S3C64xx internal logic & PLL */ static struct regulator_init_data wm8350_dcdc1_data = { .constraints = { - .name = "PVDD_INT/PVDD_PLL", + .name = "PVDD_INT+PVDD_PLL", .min_uV = 1200000, .max_uV = 1200000, .always_on = 1, @@ -452,7 +453,7 @@ static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = { static struct regulator_init_data wm8350_dcdc4_data = { .constraints = { - .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV", + .name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV", .min_uV = 3000000, .max_uV = 3000000, .always_on = 1, @@ -464,7 +465,7 @@ static struct regulator_init_data wm8350_dcdc4_data = { /* OTGi/1190-EV1 HPVDD & AVDD */ static struct regulator_init_data wm8350_ldo4_data = { .constraints = { - .name = "PVDD_OTGI/HPVDD/AVDD", + .name = "PVDD_OTGI+HPVDD+AVDD", .min_uV = 1200000, .max_uV = 1200000, .apply_uV = 1, @@ -552,7 +553,7 @@ static struct wm831x_backlight_pdata wm1192_backlight_pdata = { static struct regulator_init_data wm1192_dcdc3 = { .constraints = { - .name = "PVDD_MEM/PVDD_GPS", + .name = "PVDD_MEM+PVDD_GPS", .always_on = 1, }, }; @@ -563,7 +564,7 @@ static struct regulator_consumer_supply wm1192_ldo1_consumers[] = { static struct regulator_init_data wm1192_ldo1 = { .constraints = { - .name = "PVDD_LCD/PVDD_EXT", + .name = "PVDD_LCD+PVDD_EXT", .always_on = 1, }, .consumer_supplies = wm1192_ldo1_consumers, diff --git a/arch/arm/mach-s3c64xx/setup-keypad.c b/arch/arm/mach-s3c64xx/setup-keypad.c index f8ed0d22db70..1d4d0ee9e870 100644 --- a/arch/arm/mach-s3c64xx/setup-keypad.c +++ b/arch/arm/mach-s3c64xx/setup-keypad.c @@ -17,7 +17,7 @@ void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) { /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ - s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), 8 + rows, S3C_GPIO_SFN(3)); + s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); diff --git a/arch/arm/mach-s3c64xx/setup-sdhci.c b/arch/arm/mach-s3c64xx/setup-sdhci.c index 1a942037c4ef..f344a222bc84 100644 --- a/arch/arm/mach-s3c64xx/setup-sdhci.c +++ b/arch/arm/mach-s3c64xx/setup-sdhci.c @@ -56,7 +56,7 @@ void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, else ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); - printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3); + pr_debug("%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3); writel(ctrl2, r + S3C_SDHCI_CONTROL2); writel(ctrl3, r + S3C_SDHCI_CONTROL3); } diff --git a/arch/arm/mach-s3c64xx/sleep.S b/arch/arm/mach-s3c64xx/sleep.S index b2ef44317368..afe5a762f46e 100644 --- a/arch/arm/mach-s3c64xx/sleep.S +++ b/arch/arm/mach-s3c64xx/sleep.S @@ -32,25 +32,13 @@ * code after resume. * * entry: - * r0 = pointer to the save block + * r1 = v:p offset */ ENTRY(s3c_cpu_save) stmfd sp!, { r4 - r12, lr } - - mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID - mrc p15, 0, r5, c3, c0, 0 @ Domain ID - mrc p15, 0, r6, c2, c0, 0 @ Translation Table BASE0 - mrc p15, 0, r7, c2, c0, 1 @ Translation Table BASE1 - mrc p15, 0, r8, c2, c0, 2 @ Translation Table Control - mrc p15, 0, r9, c1, c0, 0 @ Control register - mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register - mrc p15, 0, r11, c1, c0, 2 @ Co-processor access controls - - stmia r0, { r4 - r13 } @ Save CP registers and SP - - @@ save our state to ram - bl s3c_pm_cb_flushcache + ldr r3, =resume_with_mmu + bl cpu_suspend @@ call final suspend code ldr r0, =pm_cpu_sleep @@ -61,18 +49,6 @@ ENTRY(s3c_cpu_save) resume_with_mmu: ldmfd sp!, { r4 - r12, pc } @ return, from sp from s3c_cpu_save - .data - - /* the next bit is code, but it requires easy access to the - * s3c_sleep_save_phys data before the MMU is switched on, so - * we store the code that needs this variable in the .data where - * the value can be written to (the .text segment is RO). - */ - - .global s3c_sleep_save_phys -s3c_sleep_save_phys: - .word 0 - /* Sleep magic, the word before the resume entry point so that the * bootloader can check for a resumeable image. */ @@ -110,35 +86,4 @@ ENTRY(s3c_cpu_resume) orr r0, r0, #1 << 15 @ GPN15 str r0, [ r3, #S3C64XX_GPNDAT ] #endif - - /* __v6_setup from arch/arm/mm/proc-v6.S, ensure that the caches - * are thoroughly cleaned just in case the bootloader didn't do it - * for us. */ - mov r0, #0 - mcr p15, 0, r0, c7, c14, 0 @ clean+invalidate D cache - mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache - mcr p15, 0, r0, c7, c15, 0 @ clean+invalidate cache - mcr p15, 0, r0, c7, c10, 4 @ drain write buffer - @@mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs - @@mcr p15, 0, r0, c7, c7, 0 @ Invalidate I + D caches - - ldr r0, s3c_sleep_save_phys - ldmia r0, { r4 - r13 } - - mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID - mcr p15, 0, r5, c3, c0, 0 @ Domain ID - mcr p15, 0, r6, c2, c0, 0 @ Translation Table BASE0 - mcr p15, 0, r7, c2, c0, 1 @ Translation Table BASE1 - mcr p15, 0, r8, c2, c0, 2 @ Translation Table Control - mcr p15, 0, r10, c1, c0, 1 @ Auxiliary control register - - mov r0, #0 @ restore copro access controls - mcr p15, 0, r11, c1, c0, 2 @ Co-processor access controls - mcr p15, 0, r0, c7, c5, 4 - - ldr r2, =resume_with_mmu - mcr p15, 0, r9, c1, c0, 0 /* turn mmu back on */ - nop - mov pc, r2 /* jump back */ - - .end + b cpu_resume diff --git a/arch/arm/mach-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h index 203dd5a18bd5..058dab4482a1 100644 --- a/arch/arm/mach-s5p6442/include/mach/map.h +++ b/arch/arm/mach-s5p6442/include/mach/map.h @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s5p6442/include/mach/map.h * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5P6442 - Memory map definitions @@ -16,56 +16,61 @@ #include <plat/map-base.h> #include <plat/map-s5p.h> -#define S5P6442_PA_CHIPID (0xE0000000) -#define S5P_PA_CHIPID S5P6442_PA_CHIPID +#define S5P6442_PA_SDRAM 0x20000000 -#define S5P6442_PA_SYSCON (0xE0100000) -#define S5P_PA_SYSCON S5P6442_PA_SYSCON +#define S5P6442_PA_I2S0 0xC0B00000 +#define S5P6442_PA_I2S1 0xF2200000 -#define S5P6442_PA_GPIO (0xE0200000) +#define S5P6442_PA_CHIPID 0xE0000000 -#define S5P6442_PA_VIC0 (0xE4000000) -#define S5P6442_PA_VIC1 (0xE4100000) -#define S5P6442_PA_VIC2 (0xE4200000) +#define S5P6442_PA_SYSCON 0xE0100000 -#define S5P6442_PA_SROMC (0xE7000000) -#define S5P_PA_SROMC S5P6442_PA_SROMC +#define S5P6442_PA_GPIO 0xE0200000 -#define S5P6442_PA_MDMA 0xE8000000 -#define S5P6442_PA_PDMA 0xE9000000 +#define S5P6442_PA_VIC0 0xE4000000 +#define S5P6442_PA_VIC1 0xE4100000 +#define S5P6442_PA_VIC2 0xE4200000 -#define S5P6442_PA_TIMER (0xEA000000) -#define S5P_PA_TIMER S5P6442_PA_TIMER +#define S5P6442_PA_SROMC 0xE7000000 -#define S5P6442_PA_SYSTIMER (0xEA100000) +#define S5P6442_PA_MDMA 0xE8000000 +#define S5P6442_PA_PDMA 0xE9000000 -#define S5P6442_PA_WATCHDOG (0xEA200000) +#define S5P6442_PA_TIMER 0xEA000000 -#define S5P6442_PA_UART (0xEC000000) +#define S5P6442_PA_SYSTIMER 0xEA100000 -#define S5P_PA_UART0 (S5P6442_PA_UART + 0x0) -#define S5P_PA_UART1 (S5P6442_PA_UART + 0x400) -#define S5P_PA_UART2 (S5P6442_PA_UART + 0x800) -#define S5P_SZ_UART SZ_256 +#define S5P6442_PA_WATCHDOG 0xEA200000 -#define S5P6442_PA_IIC0 (0xEC100000) +#define S5P6442_PA_UART 0xEC000000 -#define S5P6442_PA_SDRAM (0x20000000) -#define S5P_PA_SDRAM S5P6442_PA_SDRAM +#define S5P6442_PA_IIC0 0xEC100000 #define S5P6442_PA_SPI 0xEC300000 -/* I2S */ -#define S5P6442_PA_I2S0 0xC0B00000 -#define S5P6442_PA_I2S1 0xF2200000 - -/* PCM */ #define S5P6442_PA_PCM0 0xF2400000 #define S5P6442_PA_PCM1 0xF2500000 -/* compatibiltiy defines. */ +/* Compatibiltiy Defines */ + +#define S3C_PA_IIC S5P6442_PA_IIC0 #define S3C_PA_WDT S5P6442_PA_WATCHDOG + +#define S5P_PA_CHIPID S5P6442_PA_CHIPID +#define S5P_PA_SDRAM S5P6442_PA_SDRAM +#define S5P_PA_SROMC S5P6442_PA_SROMC +#define S5P_PA_SYSCON S5P6442_PA_SYSCON +#define S5P_PA_TIMER S5P6442_PA_TIMER + +/* UART */ + #define S3C_PA_UART S5P6442_PA_UART -#define S3C_PA_IIC S5P6442_PA_IIC0 + +#define S5P_PA_UART(x) (S3C_PA_UART + ((x) * S3C_UART_OFFSET)) +#define S5P_PA_UART0 S5P_PA_UART(0) +#define S5P_PA_UART1 S5P_PA_UART(1) +#define S5P_PA_UART2 S5P_PA_UART(2) + +#define S5P_SZ_UART SZ_256 #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5p6442/include/mach/memory.h b/arch/arm/mach-s5p6442/include/mach/memory.h index 9ddd877ba2ea..cfe259dded33 100644 --- a/arch/arm/mach-s5p6442/include/mach/memory.h +++ b/arch/arm/mach-s5p6442/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #define CONSISTENT_DMA_SIZE SZ_8M #endif /* __ASM_ARCH_MEMORY_H */ diff --git a/arch/arm/mach-s5p64x0/include/mach/gpio.h b/arch/arm/mach-s5p64x0/include/mach/gpio.h index 5486c8f01f1d..adb5f298ead8 100644 --- a/arch/arm/mach-s5p64x0/include/mach/gpio.h +++ b/arch/arm/mach-s5p64x0/include/mach/gpio.h @@ -23,7 +23,7 @@ #define S5P6440_GPIO_A_NR (6) #define S5P6440_GPIO_B_NR (7) #define S5P6440_GPIO_C_NR (8) -#define S5P6440_GPIO_F_NR (2) +#define S5P6440_GPIO_F_NR (16) #define S5P6440_GPIO_G_NR (7) #define S5P6440_GPIO_H_NR (10) #define S5P6440_GPIO_I_NR (16) @@ -36,7 +36,7 @@ #define S5P6450_GPIO_B_NR (7) #define S5P6450_GPIO_C_NR (8) #define S5P6450_GPIO_D_NR (8) -#define S5P6450_GPIO_F_NR (2) +#define S5P6450_GPIO_F_NR (16) #define S5P6450_GPIO_G_NR (14) #define S5P6450_GPIO_H_NR (10) #define S5P6450_GPIO_I_NR (16) diff --git a/arch/arm/mach-s5p64x0/include/mach/map.h b/arch/arm/mach-s5p64x0/include/mach/map.h index a9365e5ba614..95c91257c7ca 100644 --- a/arch/arm/mach-s5p64x0/include/mach/map.h +++ b/arch/arm/mach-s5p64x0/include/mach/map.h @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s5p64x0/include/mach/map.h * - * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com * * S5P64X0 - Memory map definitions @@ -16,64 +16,46 @@ #include <plat/map-base.h> #include <plat/map-s5p.h> -#define S5P64X0_PA_SDRAM (0x20000000) +#define S5P64X0_PA_SDRAM 0x20000000 -#define S5P64X0_PA_CHIPID (0xE0000000) -#define S5P_PA_CHIPID S5P64X0_PA_CHIPID - -#define S5P64X0_PA_SYSCON (0xE0100000) -#define S5P_PA_SYSCON S5P64X0_PA_SYSCON - -#define S5P64X0_PA_GPIO (0xE0308000) - -#define S5P64X0_PA_VIC0 (0xE4000000) -#define S5P64X0_PA_VIC1 (0xE4100000) +#define S5P64X0_PA_CHIPID 0xE0000000 -#define S5P64X0_PA_SROMC (0xE7000000) -#define S5P_PA_SROMC S5P64X0_PA_SROMC - -#define S5P64X0_PA_PDMA (0xE9000000) - -#define S5P64X0_PA_TIMER (0xEA000000) -#define S5P_PA_TIMER S5P64X0_PA_TIMER +#define S5P64X0_PA_SYSCON 0xE0100000 -#define S5P64X0_PA_RTC (0xEA100000) +#define S5P64X0_PA_GPIO 0xE0308000 -#define S5P64X0_PA_WDT (0xEA200000) +#define S5P64X0_PA_VIC0 0xE4000000 +#define S5P64X0_PA_VIC1 0xE4100000 -#define S5P6440_PA_UART(x) (0xEC000000 + ((x) * S3C_UART_OFFSET)) -#define S5P6450_PA_UART(x) ((x < 5) ? (0xEC800000 + ((x) * S3C_UART_OFFSET)) : (0xEC000000)) +#define S5P64X0_PA_SROMC 0xE7000000 -#define S5P_PA_UART0 S5P6450_PA_UART(0) -#define S5P_PA_UART1 S5P6450_PA_UART(1) -#define S5P_PA_UART2 S5P6450_PA_UART(2) -#define S5P_PA_UART3 S5P6450_PA_UART(3) -#define S5P_PA_UART4 S5P6450_PA_UART(4) -#define S5P_PA_UART5 S5P6450_PA_UART(5) +#define S5P64X0_PA_PDMA 0xE9000000 -#define S5P_SZ_UART SZ_256 +#define S5P64X0_PA_TIMER 0xEA000000 +#define S5P64X0_PA_RTC 0xEA100000 +#define S5P64X0_PA_WDT 0xEA200000 -#define S5P6440_PA_IIC0 (0xEC104000) -#define S5P6440_PA_IIC1 (0xEC20F000) -#define S5P6450_PA_IIC0 (0xEC100000) -#define S5P6450_PA_IIC1 (0xEC200000) +#define S5P6440_PA_IIC0 0xEC104000 +#define S5P6440_PA_IIC1 0xEC20F000 +#define S5P6450_PA_IIC0 0xEC100000 +#define S5P6450_PA_IIC1 0xEC200000 -#define S5P64X0_PA_SPI0 (0xEC400000) -#define S5P64X0_PA_SPI1 (0xEC500000) +#define S5P64X0_PA_SPI0 0xEC400000 +#define S5P64X0_PA_SPI1 0xEC500000 -#define S5P64X0_PA_HSOTG (0xED100000) +#define S5P64X0_PA_HSOTG 0xED100000 #define S5P64X0_PA_HSMMC(x) (0xED800000 + ((x) * 0x100000)) -#define S5P64X0_PA_I2S (0xF2000000) +#define S5P64X0_PA_I2S 0xF2000000 #define S5P6450_PA_I2S1 0xF2800000 #define S5P6450_PA_I2S2 0xF2900000 -#define S5P64X0_PA_PCM (0xF2100000) +#define S5P64X0_PA_PCM 0xF2100000 -#define S5P64X0_PA_ADC (0xF3000000) +#define S5P64X0_PA_ADC 0xF3000000 -/* compatibiltiy defines. */ +/* Compatibiltiy Defines */ #define S3C_PA_HSMMC0 S5P64X0_PA_HSMMC(0) #define S3C_PA_HSMMC1 S5P64X0_PA_HSMMC(1) @@ -83,6 +65,25 @@ #define S3C_PA_RTC S5P64X0_PA_RTC #define S3C_PA_WDT S5P64X0_PA_WDT +#define S5P_PA_CHIPID S5P64X0_PA_CHIPID +#define S5P_PA_SROMC S5P64X0_PA_SROMC +#define S5P_PA_SYSCON S5P64X0_PA_SYSCON +#define S5P_PA_TIMER S5P64X0_PA_TIMER + #define SAMSUNG_PA_ADC S5P64X0_PA_ADC +/* UART */ + +#define S5P6440_PA_UART(x) (0xEC000000 + ((x) * S3C_UART_OFFSET)) +#define S5P6450_PA_UART(x) ((x < 5) ? (0xEC800000 + ((x) * S3C_UART_OFFSET)) : (0xEC000000)) + +#define S5P_PA_UART0 S5P6450_PA_UART(0) +#define S5P_PA_UART1 S5P6450_PA_UART(1) +#define S5P_PA_UART2 S5P6450_PA_UART(2) +#define S5P_PA_UART3 S5P6450_PA_UART(3) +#define S5P_PA_UART4 S5P6450_PA_UART(4) +#define S5P_PA_UART5 S5P6450_PA_UART(5) + +#define S5P_SZ_UART SZ_256 + #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5p64x0/include/mach/memory.h b/arch/arm/mach-s5p64x0/include/mach/memory.h index 1b036b0a24ce..365a6eb4b88f 100644 --- a/arch/arm/mach-s5p64x0/include/mach/memory.h +++ b/arch/arm/mach-s5p64x0/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H __FILE__ -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #define CONSISTENT_DMA_SIZE SZ_8M #endif /* __ASM_ARCH_MEMORY_H */ diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h index 328467b346aa..ccbe6b767f7d 100644 --- a/arch/arm/mach-s5pc100/include/mach/map.h +++ b/arch/arm/mach-s5pc100/include/mach/map.h @@ -1,5 +1,8 @@ /* linux/arch/arm/mach-s5pc100/include/mach/map.h * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * * Copyright 2009 Samsung Electronics Co. * Byungho Min <bhmin@samsung.com> * @@ -16,145 +19,115 @@ #include <plat/map-base.h> #include <plat/map-s5p.h> -/* - * map-base.h has already defined virtual memory address - * S3C_VA_IRQ S3C_ADDR(0x00000000) irq controller(s) - * S3C_VA_SYS S3C_ADDR(0x00100000) system control - * S3C_VA_MEM S3C_ADDR(0x00200000) system control (not used) - * S3C_VA_TIMER S3C_ADDR(0x00300000) timer block - * S3C_VA_WATCHDOG S3C_ADDR(0x00400000) watchdog - * S3C_VA_UART S3C_ADDR(0x01000000) UART - * - * S5PC100 specific virtual memory address can be defined here - * S5PC1XX_VA_GPIO S3C_ADDR(0x00500000) GPIO - * - */ +#define S5PC100_PA_SDRAM 0x20000000 + +#define S5PC100_PA_ONENAND 0xE7100000 +#define S5PC100_PA_ONENAND_BUF 0xB0000000 + +#define S5PC100_PA_CHIPID 0xE0000000 -#define S5PC100_PA_ONENAND_BUF (0xB0000000) -#define S5PC100_SZ_ONENAND_BUF (SZ_256M - SZ_32M) +#define S5PC100_PA_SYSCON 0xE0100000 -/* Chip ID */ +#define S5PC100_PA_OTHERS 0xE0200000 -#define S5PC100_PA_CHIPID (0xE0000000) -#define S5P_PA_CHIPID S5PC100_PA_CHIPID +#define S5PC100_PA_GPIO 0xE0300000 -#define S5PC100_PA_SYSCON (0xE0100000) -#define S5P_PA_SYSCON S5PC100_PA_SYSCON +#define S5PC100_PA_VIC0 0xE4000000 +#define S5PC100_PA_VIC1 0xE4100000 +#define S5PC100_PA_VIC2 0xE4200000 -#define S5PC100_PA_OTHERS (0xE0200000) -#define S5PC100_VA_OTHERS (S3C_VA_SYS + 0x10000) +#define S5PC100_PA_SROMC 0xE7000000 -#define S5PC100_PA_GPIO (0xE0300000) -#define S5PC1XX_VA_GPIO S3C_ADDR(0x00500000) +#define S5PC100_PA_CFCON 0xE7800000 -/* Interrupt */ -#define S5PC100_PA_VIC0 (0xE4000000) -#define S5PC100_PA_VIC1 (0xE4100000) -#define S5PC100_PA_VIC2 (0xE4200000) -#define S5PC100_VA_VIC S3C_VA_IRQ -#define S5PC100_VA_VIC_OFFSET 0x10000 -#define S5PC1XX_VA_VIC(x) (S5PC100_VA_VIC + ((x) * S5PC100_VA_VIC_OFFSET)) +#define S5PC100_PA_MDMA 0xE8100000 +#define S5PC100_PA_PDMA0 0xE9000000 +#define S5PC100_PA_PDMA1 0xE9200000 -#define S5PC100_PA_SROMC (0xE7000000) -#define S5P_PA_SROMC S5PC100_PA_SROMC +#define S5PC100_PA_TIMER 0xEA000000 +#define S5PC100_PA_SYSTIMER 0xEA100000 +#define S5PC100_PA_WATCHDOG 0xEA200000 +#define S5PC100_PA_RTC 0xEA300000 -#define S5PC100_PA_ONENAND (0xE7100000) +#define S5PC100_PA_UART 0xEC000000 -#define S5PC100_PA_CFCON (0xE7800000) +#define S5PC100_PA_IIC0 0xEC100000 +#define S5PC100_PA_IIC1 0xEC200000 -/* DMA */ -#define S5PC100_PA_MDMA (0xE8100000) -#define S5PC100_PA_PDMA0 (0xE9000000) -#define S5PC100_PA_PDMA1 (0xE9200000) +#define S5PC100_PA_SPI0 0xEC300000 +#define S5PC100_PA_SPI1 0xEC400000 +#define S5PC100_PA_SPI2 0xEC500000 -/* Timer */ -#define S5PC100_PA_TIMER (0xEA000000) -#define S5P_PA_TIMER S5PC100_PA_TIMER +#define S5PC100_PA_USB_HSOTG 0xED200000 +#define S5PC100_PA_USB_HSPHY 0xED300000 -#define S5PC100_PA_SYSTIMER (0xEA100000) +#define S5PC100_PA_HSMMC(x) (0xED800000 + ((x) * 0x100000)) -#define S5PC100_PA_WATCHDOG (0xEA200000) -#define S5PC100_PA_RTC (0xEA300000) +#define S5PC100_PA_FB 0xEE000000 -#define S5PC100_PA_UART (0xEC000000) +#define S5PC100_PA_FIMC0 0xEE200000 +#define S5PC100_PA_FIMC1 0xEE300000 +#define S5PC100_PA_FIMC2 0xEE400000 -#define S5P_PA_UART0 (S5PC100_PA_UART + 0x0) -#define S5P_PA_UART1 (S5PC100_PA_UART + 0x400) -#define S5P_PA_UART2 (S5PC100_PA_UART + 0x800) -#define S5P_PA_UART3 (S5PC100_PA_UART + 0xC00) -#define S5P_SZ_UART SZ_256 +#define S5PC100_PA_I2S0 0xF2000000 +#define S5PC100_PA_I2S1 0xF2100000 +#define S5PC100_PA_I2S2 0xF2200000 -#define S5PC100_PA_IIC0 (0xEC100000) -#define S5PC100_PA_IIC1 (0xEC200000) +#define S5PC100_PA_AC97 0xF2300000 -/* SPI */ -#define S5PC100_PA_SPI0 0xEC300000 -#define S5PC100_PA_SPI1 0xEC400000 -#define S5PC100_PA_SPI2 0xEC500000 +#define S5PC100_PA_PCM0 0xF2400000 +#define S5PC100_PA_PCM1 0xF2500000 -/* USB HS OTG */ -#define S5PC100_PA_USB_HSOTG (0xED200000) -#define S5PC100_PA_USB_HSPHY (0xED300000) +#define S5PC100_PA_SPDIF 0xF2600000 -#define S5PC100_PA_FB (0xEE000000) +#define S5PC100_PA_TSADC 0xF3000000 -#define S5PC100_PA_FIMC0 (0xEE200000) -#define S5PC100_PA_FIMC1 (0xEE300000) -#define S5PC100_PA_FIMC2 (0xEE400000) +#define S5PC100_PA_KEYPAD 0xF3100000 -#define S5PC100_PA_I2S0 (0xF2000000) -#define S5PC100_PA_I2S1 (0xF2100000) -#define S5PC100_PA_I2S2 (0xF2200000) +/* Compatibiltiy Defines */ -#define S5PC100_PA_AC97 0xF2300000 +#define S3C_PA_FB S5PC100_PA_FB +#define S3C_PA_HSMMC0 S5PC100_PA_HSMMC(0) +#define S3C_PA_HSMMC1 S5PC100_PA_HSMMC(1) +#define S3C_PA_HSMMC2 S5PC100_PA_HSMMC(2) +#define S3C_PA_IIC S5PC100_PA_IIC0 +#define S3C_PA_IIC1 S5PC100_PA_IIC1 +#define S3C_PA_KEYPAD S5PC100_PA_KEYPAD +#define S3C_PA_ONENAND S5PC100_PA_ONENAND +#define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF +#define S3C_PA_RTC S5PC100_PA_RTC +#define S3C_PA_TSADC S5PC100_PA_TSADC +#define S3C_PA_USB_HSOTG S5PC100_PA_USB_HSOTG +#define S3C_PA_USB_HSPHY S5PC100_PA_USB_HSPHY +#define S3C_PA_WDT S5PC100_PA_WATCHDOG -/* PCM */ -#define S5PC100_PA_PCM0 0xF2400000 -#define S5PC100_PA_PCM1 0xF2500000 +#define S5P_PA_CHIPID S5PC100_PA_CHIPID +#define S5P_PA_FIMC0 S5PC100_PA_FIMC0 +#define S5P_PA_FIMC1 S5PC100_PA_FIMC1 +#define S5P_PA_FIMC2 S5PC100_PA_FIMC2 +#define S5P_PA_SDRAM S5PC100_PA_SDRAM +#define S5P_PA_SROMC S5PC100_PA_SROMC +#define S5P_PA_SYSCON S5PC100_PA_SYSCON +#define S5P_PA_TIMER S5PC100_PA_TIMER -#define S5PC100_PA_SPDIF 0xF2600000 +#define SAMSUNG_PA_ADC S5PC100_PA_TSADC +#define SAMSUNG_PA_CFCON S5PC100_PA_CFCON +#define SAMSUNG_PA_KEYPAD S5PC100_PA_KEYPAD -#define S5PC100_PA_TSADC (0xF3000000) +#define S5PC100_VA_OTHERS (S3C_VA_SYS + 0x10000) -/* KEYPAD */ -#define S5PC100_PA_KEYPAD (0xF3100000) +#define S3C_SZ_ONENAND_BUF (SZ_256M - SZ_32M) -#define S5PC100_PA_HSMMC(x) (0xED800000 + ((x) * 0x100000)) +/* UART */ -#define S5PC100_PA_SDRAM (0x20000000) -#define S5P_PA_SDRAM S5PC100_PA_SDRAM +#define S3C_PA_UART S5PC100_PA_UART -/* compatibiltiy defines. */ -#define S3C_PA_UART S5PC100_PA_UART -#define S3C_PA_IIC S5PC100_PA_IIC0 -#define S3C_PA_IIC1 S5PC100_PA_IIC1 -#define S3C_PA_FB S5PC100_PA_FB -#define S3C_PA_G2D S5PC100_PA_G2D -#define S3C_PA_G3D S5PC100_PA_G3D -#define S3C_PA_JPEG S5PC100_PA_JPEG -#define S3C_PA_ROTATOR S5PC100_PA_ROTATOR -#define S5P_VA_VIC0 S5PC1XX_VA_VIC(0) -#define S5P_VA_VIC1 S5PC1XX_VA_VIC(1) -#define S5P_VA_VIC2 S5PC1XX_VA_VIC(2) -#define S3C_PA_USB_HSOTG S5PC100_PA_USB_HSOTG -#define S3C_PA_USB_HSPHY S5PC100_PA_USB_HSPHY -#define S3C_PA_HSMMC0 S5PC100_PA_HSMMC(0) -#define S3C_PA_HSMMC1 S5PC100_PA_HSMMC(1) -#define S3C_PA_HSMMC2 S5PC100_PA_HSMMC(2) -#define S3C_PA_KEYPAD S5PC100_PA_KEYPAD -#define S3C_PA_WDT S5PC100_PA_WATCHDOG -#define S3C_PA_TSADC S5PC100_PA_TSADC -#define S3C_PA_ONENAND S5PC100_PA_ONENAND -#define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF -#define S3C_SZ_ONENAND_BUF S5PC100_SZ_ONENAND_BUF -#define S3C_PA_RTC S5PC100_PA_RTC - -#define SAMSUNG_PA_ADC S5PC100_PA_TSADC -#define SAMSUNG_PA_CFCON S5PC100_PA_CFCON -#define SAMSUNG_PA_KEYPAD S5PC100_PA_KEYPAD +#define S5P_PA_UART(x) (S3C_PA_UART + ((x) * S3C_UART_OFFSET)) +#define S5P_PA_UART0 S5P_PA_UART(0) +#define S5P_PA_UART1 S5P_PA_UART(1) +#define S5P_PA_UART2 S5P_PA_UART(2) +#define S5P_PA_UART3 S5P_PA_UART(3) -#define S5P_PA_FIMC0 S5PC100_PA_FIMC0 -#define S5P_PA_FIMC1 S5PC100_PA_FIMC1 -#define S5P_PA_FIMC2 S5PC100_PA_FIMC2 +#define S5P_SZ_UART SZ_256 -#endif /* __ASM_ARCH_C100_MAP_H */ +#endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5pc100/include/mach/memory.h b/arch/arm/mach-s5pc100/include/mach/memory.h index 4b60d18179f7..bda4e79fd5fc 100644 --- a/arch/arm/mach-s5pc100/include/mach/memory.h +++ b/arch/arm/mach-s5pc100/include/mach/memory.h @@ -13,6 +13,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #endif diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h index 3611492ad681..1dd58836fd4f 100644 --- a/arch/arm/mach-s5pv210/include/mach/map.h +++ b/arch/arm/mach-s5pv210/include/mach/map.h @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s5pv210/include/mach/map.h * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5PV210 - Memory map definitions @@ -16,122 +16,120 @@ #include <plat/map-base.h> #include <plat/map-s5p.h> -#define S5PV210_PA_SROM_BANK5 (0xA8000000) +#define S5PV210_PA_SDRAM 0x20000000 -#define S5PC110_PA_ONENAND (0xB0000000) -#define S5P_PA_ONENAND S5PC110_PA_ONENAND +#define S5PV210_PA_SROM_BANK5 0xA8000000 -#define S5PC110_PA_ONENAND_DMA (0xB0600000) -#define S5P_PA_ONENAND_DMA S5PC110_PA_ONENAND_DMA +#define S5PC110_PA_ONENAND 0xB0000000 +#define S5PC110_PA_ONENAND_DMA 0xB0600000 -#define S5PV210_PA_CHIPID (0xE0000000) -#define S5P_PA_CHIPID S5PV210_PA_CHIPID +#define S5PV210_PA_CHIPID 0xE0000000 -#define S5PV210_PA_SYSCON (0xE0100000) -#define S5P_PA_SYSCON S5PV210_PA_SYSCON +#define S5PV210_PA_SYSCON 0xE0100000 -#define S5PV210_PA_GPIO (0xE0200000) +#define S5PV210_PA_GPIO 0xE0200000 -/* SPI */ -#define S5PV210_PA_SPI0 0xE1300000 -#define S5PV210_PA_SPI1 0xE1400000 +#define S5PV210_PA_SPDIF 0xE1100000 -#define S5PV210_PA_KEYPAD (0xE1600000) +#define S5PV210_PA_SPI0 0xE1300000 +#define S5PV210_PA_SPI1 0xE1400000 -#define S5PV210_PA_IIC0 (0xE1800000) -#define S5PV210_PA_IIC1 (0xFAB00000) -#define S5PV210_PA_IIC2 (0xE1A00000) +#define S5PV210_PA_KEYPAD 0xE1600000 -#define S5PV210_PA_TIMER (0xE2500000) -#define S5P_PA_TIMER S5PV210_PA_TIMER +#define S5PV210_PA_ADC 0xE1700000 -#define S5PV210_PA_SYSTIMER (0xE2600000) +#define S5PV210_PA_IIC0 0xE1800000 +#define S5PV210_PA_IIC1 0xFAB00000 +#define S5PV210_PA_IIC2 0xE1A00000 -#define S5PV210_PA_WATCHDOG (0xE2700000) +#define S5PV210_PA_AC97 0xE2200000 -#define S5PV210_PA_RTC (0xE2800000) -#define S5PV210_PA_UART (0xE2900000) +#define S5PV210_PA_PCM0 0xE2300000 +#define S5PV210_PA_PCM1 0xE1200000 +#define S5PV210_PA_PCM2 0xE2B00000 -#define S5P_PA_UART0 (S5PV210_PA_UART + 0x0) -#define S5P_PA_UART1 (S5PV210_PA_UART + 0x400) -#define S5P_PA_UART2 (S5PV210_PA_UART + 0x800) -#define S5P_PA_UART3 (S5PV210_PA_UART + 0xC00) +#define S5PV210_PA_TIMER 0xE2500000 +#define S5PV210_PA_SYSTIMER 0xE2600000 +#define S5PV210_PA_WATCHDOG 0xE2700000 +#define S5PV210_PA_RTC 0xE2800000 -#define S5P_SZ_UART SZ_256 +#define S5PV210_PA_UART 0xE2900000 -#define S3C_VA_UARTx(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET)) +#define S5PV210_PA_SROMC 0xE8000000 -#define S5PV210_PA_SROMC (0xE8000000) -#define S5P_PA_SROMC S5PV210_PA_SROMC +#define S5PV210_PA_CFCON 0xE8200000 -#define S5PV210_PA_CFCON (0xE8200000) +#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000)) -#define S5PV210_PA_MDMA 0xFA200000 -#define S5PV210_PA_PDMA0 0xE0900000 -#define S5PV210_PA_PDMA1 0xE0A00000 +#define S5PV210_PA_HSOTG 0xEC000000 +#define S5PV210_PA_HSPHY 0xEC100000 -#define S5PV210_PA_FB (0xF8000000) +#define S5PV210_PA_IIS0 0xEEE30000 +#define S5PV210_PA_IIS1 0xE2100000 +#define S5PV210_PA_IIS2 0xE2A00000 -#define S5PV210_PA_FIMC0 (0xFB200000) -#define S5PV210_PA_FIMC1 (0xFB300000) -#define S5PV210_PA_FIMC2 (0xFB400000) +#define S5PV210_PA_DMC0 0xF0000000 +#define S5PV210_PA_DMC1 0xF1400000 -#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000)) +#define S5PV210_PA_VIC0 0xF2000000 +#define S5PV210_PA_VIC1 0xF2100000 +#define S5PV210_PA_VIC2 0xF2200000 +#define S5PV210_PA_VIC3 0xF2300000 -#define S5PV210_PA_HSOTG (0xEC000000) -#define S5PV210_PA_HSPHY (0xEC100000) +#define S5PV210_PA_FB 0xF8000000 -#define S5PV210_PA_VIC0 (0xF2000000) -#define S5PV210_PA_VIC1 (0xF2100000) -#define S5PV210_PA_VIC2 (0xF2200000) -#define S5PV210_PA_VIC3 (0xF2300000) +#define S5PV210_PA_MDMA 0xFA200000 +#define S5PV210_PA_PDMA0 0xE0900000 +#define S5PV210_PA_PDMA1 0xE0A00000 -#define S5PV210_PA_SDRAM (0x20000000) -#define S5P_PA_SDRAM S5PV210_PA_SDRAM +#define S5PV210_PA_MIPI_CSIS 0xFA600000 -/* S/PDIF */ -#define S5PV210_PA_SPDIF 0xE1100000 +#define S5PV210_PA_FIMC0 0xFB200000 +#define S5PV210_PA_FIMC1 0xFB300000 +#define S5PV210_PA_FIMC2 0xFB400000 -/* I2S */ -#define S5PV210_PA_IIS0 0xEEE30000 -#define S5PV210_PA_IIS1 0xE2100000 -#define S5PV210_PA_IIS2 0xE2A00000 +/* Compatibiltiy Defines */ -/* PCM */ -#define S5PV210_PA_PCM0 0xE2300000 -#define S5PV210_PA_PCM1 0xE1200000 -#define S5PV210_PA_PCM2 0xE2B00000 +#define S3C_PA_FB S5PV210_PA_FB +#define S3C_PA_HSMMC0 S5PV210_PA_HSMMC(0) +#define S3C_PA_HSMMC1 S5PV210_PA_HSMMC(1) +#define S3C_PA_HSMMC2 S5PV210_PA_HSMMC(2) +#define S3C_PA_HSMMC3 S5PV210_PA_HSMMC(3) +#define S3C_PA_IIC S5PV210_PA_IIC0 +#define S3C_PA_IIC1 S5PV210_PA_IIC1 +#define S3C_PA_IIC2 S5PV210_PA_IIC2 +#define S3C_PA_RTC S5PV210_PA_RTC +#define S3C_PA_USB_HSOTG S5PV210_PA_HSOTG +#define S3C_PA_WDT S5PV210_PA_WATCHDOG -/* AC97 */ -#define S5PV210_PA_AC97 0xE2200000 +#define S5P_PA_CHIPID S5PV210_PA_CHIPID +#define S5P_PA_FIMC0 S5PV210_PA_FIMC0 +#define S5P_PA_FIMC1 S5PV210_PA_FIMC1 +#define S5P_PA_FIMC2 S5PV210_PA_FIMC2 +#define S5P_PA_MIPI_CSIS0 S5PV210_PA_MIPI_CSIS +#define S5P_PA_ONENAND S5PC110_PA_ONENAND +#define S5P_PA_ONENAND_DMA S5PC110_PA_ONENAND_DMA +#define S5P_PA_SDRAM S5PV210_PA_SDRAM +#define S5P_PA_SROMC S5PV210_PA_SROMC +#define S5P_PA_SYSCON S5PV210_PA_SYSCON +#define S5P_PA_TIMER S5PV210_PA_TIMER -#define S5PV210_PA_ADC (0xE1700000) +#define SAMSUNG_PA_ADC S5PV210_PA_ADC +#define SAMSUNG_PA_CFCON S5PV210_PA_CFCON +#define SAMSUNG_PA_KEYPAD S5PV210_PA_KEYPAD -#define S5PV210_PA_DMC0 (0xF0000000) -#define S5PV210_PA_DMC1 (0xF1400000) +/* UART */ -#define S5PV210_PA_MIPI_CSIS 0xFA600000 +#define S3C_VA_UARTx(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET)) -/* compatibiltiy defines. */ -#define S3C_PA_UART S5PV210_PA_UART -#define S3C_PA_HSMMC0 S5PV210_PA_HSMMC(0) -#define S3C_PA_HSMMC1 S5PV210_PA_HSMMC(1) -#define S3C_PA_HSMMC2 S5PV210_PA_HSMMC(2) -#define S3C_PA_HSMMC3 S5PV210_PA_HSMMC(3) -#define S3C_PA_IIC S5PV210_PA_IIC0 -#define S3C_PA_IIC1 S5PV210_PA_IIC1 -#define S3C_PA_IIC2 S5PV210_PA_IIC2 -#define S3C_PA_FB S5PV210_PA_FB -#define S3C_PA_RTC S5PV210_PA_RTC -#define S3C_PA_WDT S5PV210_PA_WATCHDOG -#define S3C_PA_USB_HSOTG S5PV210_PA_HSOTG -#define S5P_PA_FIMC0 S5PV210_PA_FIMC0 -#define S5P_PA_FIMC1 S5PV210_PA_FIMC1 -#define S5P_PA_FIMC2 S5PV210_PA_FIMC2 -#define S5P_PA_MIPI_CSIS0 S5PV210_PA_MIPI_CSIS +#define S3C_PA_UART S5PV210_PA_UART -#define SAMSUNG_PA_ADC S5PV210_PA_ADC -#define SAMSUNG_PA_CFCON S5PV210_PA_CFCON -#define SAMSUNG_PA_KEYPAD S5PV210_PA_KEYPAD +#define S5P_PA_UART(x) (S3C_PA_UART + ((x) * S3C_UART_OFFSET)) +#define S5P_PA_UART0 S5P_PA_UART(0) +#define S5P_PA_UART1 S5P_PA_UART(1) +#define S5P_PA_UART2 S5P_PA_UART(2) +#define S5P_PA_UART3 S5P_PA_UART(3) + +#define S5P_SZ_UART SZ_256 #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5pv210/include/mach/memory.h b/arch/arm/mach-s5pv210/include/mach/memory.h index d503e0c4ce4f..7b5fcf0da0c4 100644 --- a/arch/arm/mach-s5pv210/include/mach/memory.h +++ b/arch/arm/mach-s5pv210/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #define CONSISTENT_DMA_SIZE (SZ_8M + SZ_4M + SZ_2M) /* diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index 461aa035afc0..557add4fc56c 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c @@ -149,7 +149,7 @@ static struct regulator_init_data aquila_ldo2_data = { static struct regulator_init_data aquila_ldo3_data = { .constraints = { - .name = "VUSB/MIPI_1.1V", + .name = "VUSB+MIPI_1.1V", .min_uV = 1100000, .max_uV = 1100000, .apply_uV = 1, @@ -197,7 +197,7 @@ static struct regulator_init_data aquila_ldo7_data = { static struct regulator_init_data aquila_ldo8_data = { .constraints = { - .name = "VUSB/VADC_3.3V", + .name = "VUSB+VADC_3.3V", .min_uV = 3300000, .max_uV = 3300000, .apply_uV = 1, @@ -207,7 +207,7 @@ static struct regulator_init_data aquila_ldo8_data = { static struct regulator_init_data aquila_ldo9_data = { .constraints = { - .name = "VCC/VCAM_2.8V", + .name = "VCC+VCAM_2.8V", .min_uV = 2800000, .max_uV = 2800000, .apply_uV = 1, @@ -381,9 +381,12 @@ static struct max8998_platform_data aquila_max8998_pdata = { .buck1_set1 = S5PV210_GPH0(3), .buck1_set2 = S5PV210_GPH0(4), .buck2_set3 = S5PV210_GPH0(5), - .buck1_max_voltage1 = 1200000, - .buck1_max_voltage2 = 1200000, - .buck2_max_voltage = 1200000, + .buck1_voltage1 = 1200000, + .buck1_voltage2 = 1200000, + .buck1_voltage3 = 1200000, + .buck1_voltage4 = 1200000, + .buck2_voltage1 = 1200000, + .buck2_voltage2 = 1200000, }; #endif diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index e22d5112fd44..056f5c769b0a 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -288,7 +288,7 @@ static struct regulator_init_data goni_ldo2_data = { static struct regulator_init_data goni_ldo3_data = { .constraints = { - .name = "VUSB/MIPI_1.1V", + .name = "VUSB+MIPI_1.1V", .min_uV = 1100000, .max_uV = 1100000, .apply_uV = 1, @@ -337,7 +337,7 @@ static struct regulator_init_data goni_ldo7_data = { static struct regulator_init_data goni_ldo8_data = { .constraints = { - .name = "VUSB/VADC_3.3V", + .name = "VUSB+VADC_3.3V", .min_uV = 3300000, .max_uV = 3300000, .apply_uV = 1, @@ -347,7 +347,7 @@ static struct regulator_init_data goni_ldo8_data = { static struct regulator_init_data goni_ldo9_data = { .constraints = { - .name = "VCC/VCAM_2.8V", + .name = "VCC+VCAM_2.8V", .min_uV = 2800000, .max_uV = 2800000, .apply_uV = 1, @@ -521,9 +521,12 @@ static struct max8998_platform_data goni_max8998_pdata = { .buck1_set1 = S5PV210_GPH0(3), .buck1_set2 = S5PV210_GPH0(4), .buck2_set3 = S5PV210_GPH0(5), - .buck1_max_voltage1 = 1200000, - .buck1_max_voltage2 = 1200000, - .buck2_max_voltage = 1200000, + .buck1_voltage1 = 1200000, + .buck1_voltage2 = 1200000, + .buck1_voltage3 = 1200000, + .buck1_voltage4 = 1200000, + .buck2_voltage1 = 1200000, + .buck2_voltage2 = 1200000, }; #endif diff --git a/arch/arm/mach-s5pv210/sleep.S b/arch/arm/mach-s5pv210/sleep.S index d4d222b716b4..a3d649466fb1 100644 --- a/arch/arm/mach-s5pv210/sleep.S +++ b/arch/arm/mach-s5pv210/sleep.S @@ -35,50 +35,24 @@ /* s3c_cpu_save * * entry: - * r0 = save address (virtual addr of s3c_sleep_save_phys) + * r1 = v:p offset */ ENTRY(s3c_cpu_save) stmfd sp!, { r3 - r12, lr } - - mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID - mrc p15, 0, r5, c3, c0, 0 @ Domain ID - mrc p15, 0, r6, c2, c0, 0 @ Translation Table BASE0 - mrc p15, 0, r7, c2, c0, 1 @ Translation Table BASE1 - mrc p15, 0, r8, c2, c0, 2 @ Translation Table Control - mrc p15, 0, r9, c1, c0, 0 @ Control register - mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register - mrc p15, 0, r11, c1, c0, 2 @ Co-processor access controls - mrc p15, 0, r12, c10, c2, 0 @ Read PRRR - mrc p15, 0, r3, c10, c2, 1 @ READ NMRR - - stmia r0, { r3 - r13 } - - bl s3c_pm_cb_flushcache + ldr r3, =resume_with_mmu + bl cpu_suspend ldr r0, =pm_cpu_sleep ldr r0, [ r0 ] mov pc, r0 resume_with_mmu: - /* - * After MMU is turned on, restore the previous MMU table. - */ - ldr r9 , =(PAGE_OFFSET - PHYS_OFFSET) - add r4, r4, r9 - str r12, [r4] - ldmfd sp!, { r3 - r12, pc } .ltorg - .data - - .global s3c_sleep_save_phys -s3c_sleep_save_phys: - .word 0 - /* sleep magic, to allow the bootloader to check for an valid * image to resume to. Must be the first word before the * s3c_cpu_resume entry. @@ -96,75 +70,4 @@ s3c_sleep_save_phys: */ ENTRY(s3c_cpu_resume) - mov r0, #PSR_I_BIT | PSR_F_BIT | SVC_MODE - msr cpsr_c, r0 - - mov r1, #0 - mcr p15, 0, r1, c8, c7, 0 @ invalidate TLBs - mcr p15, 0, r1, c7, c5, 0 @ invalidate I Cache - - ldr r0, s3c_sleep_save_phys @ address of restore block - ldmia r0, { r3 - r13 } - - mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID - mcr p15, 0, r5, c3, c0, 0 @ Domain ID - - mcr p15, 0, r8, c2, c0, 2 @ Translation Table Control - mcr p15, 0, r7, c2, c0, 1 @ Translation Table BASE1 - mcr p15, 0, r6, c2, c0, 0 @ Translation Table BASE0 - - mcr p15, 0, r10, c1, c0, 1 @ Auxiliary control register - - mov r0, #0 - mcr p15, 0, r0, c8, c7, 0 @ Invalidate I & D TLB - - mov r0, #0 @ restore copro access - mcr p15, 0, r11, c1, c0, 2 @ Co-processor access - mcr p15, 0, r0, c7, c5, 4 - - mcr p15, 0, r12, c10, c2, 0 @ write PRRR - mcr p15, 0, r3, c10, c2, 1 @ write NMRR - - /* - * In Cortex-A8, when MMU is turned on, the pipeline is flushed. - * And there are no valid entries in the MMU table at this point. - * So before turning on the MMU, the MMU entry for the DRAM address - * range is added. After the MMU is turned on, the other entries - * in the MMU table will be restored. - */ - - /* r6 = Translation Table BASE0 */ - mov r4, r6 - mov r4, r4, LSR #14 - mov r4, r4, LSL #14 - - /* Load address for adding to MMU table list */ - ldr r11, =0xE010F000 @ INFORM0 reg. - ldr r10, [r11, #0] - mov r10, r10, LSR #18 - bic r10, r10, #0x3 - orr r4, r4, r10 - - /* Calculate MMU table entry */ - mov r10, r10, LSL #18 - ldr r5, =0x40E - orr r10, r10, r5 - - /* Back up originally data */ - ldr r12, [r4] - - /* Add calculated MMU table entry into MMU table list */ - str r10, [r4] - - ldr r2, =resume_with_mmu - mcr p15, 0, r9, c1, c0, 0 @ turn on MMU, etc - - nop - nop - nop - nop - nop @ second-to-last before mmu - - mov pc, r2 @ go back to virtual address - - .ltorg + b cpu_resume diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig index 09c4c21b70cc..b2a9acc5185f 100644 --- a/arch/arm/mach-s5pv310/Kconfig +++ b/arch/arm/mach-s5pv310/Kconfig @@ -122,6 +122,7 @@ config MACH_SMDKV310 select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 select S5PV310_DEV_PD + select S5PV310_DEV_SYSMMU select S5PV310_SETUP_I2C1 select S5PV310_SETUP_SDHCI help diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h index 74d400625a23..901657fa7a12 100644 --- a/arch/arm/mach-s5pv310/include/mach/map.h +++ b/arch/arm/mach-s5pv310/include/mach/map.h @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s5pv310/include/mach/map.h * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5PV310 - Memory map definitions @@ -23,90 +23,43 @@ #include <plat/map-s5p.h> -#define S5PV310_PA_SYSRAM (0x02025000) +#define S5PV310_PA_SYSRAM 0x02025000 -#define S5PV310_PA_SROM_BANK(x) (0x04000000 + ((x) * 0x01000000)) - -#define S5PC210_PA_ONENAND (0x0C000000) -#define S5P_PA_ONENAND S5PC210_PA_ONENAND - -#define S5PC210_PA_ONENAND_DMA (0x0C600000) -#define S5P_PA_ONENAND_DMA S5PC210_PA_ONENAND_DMA - -#define S5PV310_PA_CHIPID (0x10000000) -#define S5P_PA_CHIPID S5PV310_PA_CHIPID - -#define S5PV310_PA_SYSCON (0x10010000) -#define S5P_PA_SYSCON S5PV310_PA_SYSCON +#define S5PV310_PA_I2S0 0x03830000 +#define S5PV310_PA_I2S1 0xE3100000 +#define S5PV310_PA_I2S2 0xE2A00000 -#define S5PV310_PA_PMU (0x10020000) +#define S5PV310_PA_PCM0 0x03840000 +#define S5PV310_PA_PCM1 0x13980000 +#define S5PV310_PA_PCM2 0x13990000 -#define S5PV310_PA_CMU (0x10030000) - -#define S5PV310_PA_WATCHDOG (0x10060000) -#define S5PV310_PA_RTC (0x10070000) - -#define S5PV310_PA_DMC0 (0x10400000) - -#define S5PV310_PA_COMBINER (0x10448000) - -#define S5PV310_PA_COREPERI (0x10500000) -#define S5PV310_PA_GIC_CPU (0x10500100) -#define S5PV310_PA_TWD (0x10500600) -#define S5PV310_PA_GIC_DIST (0x10501000) -#define S5PV310_PA_L2CC (0x10502000) - -/* DMA */ -#define S5PV310_PA_MDMA 0x10810000 -#define S5PV310_PA_PDMA0 0x12680000 -#define S5PV310_PA_PDMA1 0x12690000 - -#define S5PV310_PA_GPIO1 (0x11400000) -#define S5PV310_PA_GPIO2 (0x11000000) -#define S5PV310_PA_GPIO3 (0x03860000) - -#define S5PV310_PA_MIPI_CSIS0 0x11880000 -#define S5PV310_PA_MIPI_CSIS1 0x11890000 +#define S5PV310_PA_SROM_BANK(x) (0x04000000 + ((x) * 0x01000000)) -#define S5PV310_PA_HSMMC(x) (0x12510000 + ((x) * 0x10000)) +#define S5PC210_PA_ONENAND 0x0C000000 +#define S5PC210_PA_ONENAND_DMA 0x0C600000 -#define S5PV310_PA_SROMC (0x12570000) -#define S5P_PA_SROMC S5PV310_PA_SROMC +#define S5PV310_PA_CHIPID 0x10000000 -/* S/PDIF */ -#define S5PV310_PA_SPDIF 0xE1100000 +#define S5PV310_PA_SYSCON 0x10010000 +#define S5PV310_PA_PMU 0x10020000 +#define S5PV310_PA_CMU 0x10030000 -/* I2S */ -#define S5PV310_PA_I2S0 0x03830000 -#define S5PV310_PA_I2S1 0xE3100000 -#define S5PV310_PA_I2S2 0xE2A00000 +#define S5PV310_PA_WATCHDOG 0x10060000 +#define S5PV310_PA_RTC 0x10070000 -/* PCM */ -#define S5PV310_PA_PCM0 0x03840000 -#define S5PV310_PA_PCM1 0x13980000 -#define S5PV310_PA_PCM2 0x13990000 +#define S5PV310_PA_DMC0 0x10400000 -/* AC97 */ -#define S5PV310_PA_AC97 0x139A0000 +#define S5PV310_PA_COMBINER 0x10448000 -#define S5PV310_PA_UART (0x13800000) +#define S5PV310_PA_COREPERI 0x10500000 +#define S5PV310_PA_GIC_CPU 0x10500100 +#define S5PV310_PA_TWD 0x10500600 +#define S5PV310_PA_GIC_DIST 0x10501000 +#define S5PV310_PA_L2CC 0x10502000 -#define S5P_PA_UART(x) (S5PV310_PA_UART + ((x) * S3C_UART_OFFSET)) -#define S5P_PA_UART0 S5P_PA_UART(0) -#define S5P_PA_UART1 S5P_PA_UART(1) -#define S5P_PA_UART2 S5P_PA_UART(2) -#define S5P_PA_UART3 S5P_PA_UART(3) -#define S5P_PA_UART4 S5P_PA_UART(4) - -#define S5P_SZ_UART SZ_256 - -#define S5PV310_PA_IIC(x) (0x13860000 + ((x) * 0x10000)) - -#define S5PV310_PA_TIMER (0x139D0000) -#define S5P_PA_TIMER S5PV310_PA_TIMER - -#define S5PV310_PA_SDRAM (0x40000000) -#define S5P_PA_SDRAM S5PV310_PA_SDRAM +#define S5PV310_PA_MDMA 0x10810000 +#define S5PV310_PA_PDMA0 0x12680000 +#define S5PV310_PA_PDMA1 0x12690000 #define S5PV310_PA_SYSMMU_MDMA 0x10A40000 #define S5PV310_PA_SYSMMU_SSS 0x10A50000 @@ -124,11 +77,32 @@ #define S5PV310_PA_SYSMMU_TV 0x12E20000 #define S5PV310_PA_SYSMMU_MFC_L 0x13620000 #define S5PV310_PA_SYSMMU_MFC_R 0x13630000 -#define S5PV310_SYSMMU_TOTAL_IPNUM 16 -#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM -/* compatibiltiy defines. */ -#define S3C_PA_UART S5PV310_PA_UART +#define S5PV310_PA_GPIO1 0x11400000 +#define S5PV310_PA_GPIO2 0x11000000 +#define S5PV310_PA_GPIO3 0x03860000 + +#define S5PV310_PA_MIPI_CSIS0 0x11880000 +#define S5PV310_PA_MIPI_CSIS1 0x11890000 + +#define S5PV310_PA_HSMMC(x) (0x12510000 + ((x) * 0x10000)) + +#define S5PV310_PA_SROMC 0x12570000 + +#define S5PV310_PA_UART 0x13800000 + +#define S5PV310_PA_IIC(x) (0x13860000 + ((x) * 0x10000)) + +#define S5PV310_PA_AC97 0x139A0000 + +#define S5PV310_PA_TIMER 0x139D0000 + +#define S5PV310_PA_SDRAM 0x40000000 + +#define S5PV310_PA_SPDIF 0xE1100000 + +/* Compatibiltiy Defines */ + #define S3C_PA_HSMMC0 S5PV310_PA_HSMMC(0) #define S3C_PA_HSMMC1 S5PV310_PA_HSMMC(1) #define S3C_PA_HSMMC2 S5PV310_PA_HSMMC(2) @@ -143,7 +117,28 @@ #define S3C_PA_IIC7 S5PV310_PA_IIC(7) #define S3C_PA_RTC S5PV310_PA_RTC #define S3C_PA_WDT S5PV310_PA_WATCHDOG + +#define S5P_PA_CHIPID S5PV310_PA_CHIPID #define S5P_PA_MIPI_CSIS0 S5PV310_PA_MIPI_CSIS0 #define S5P_PA_MIPI_CSIS1 S5PV310_PA_MIPI_CSIS1 +#define S5P_PA_ONENAND S5PC210_PA_ONENAND +#define S5P_PA_ONENAND_DMA S5PC210_PA_ONENAND_DMA +#define S5P_PA_SDRAM S5PV310_PA_SDRAM +#define S5P_PA_SROMC S5PV310_PA_SROMC +#define S5P_PA_SYSCON S5PV310_PA_SYSCON +#define S5P_PA_TIMER S5PV310_PA_TIMER + +/* UART */ + +#define S3C_PA_UART S5PV310_PA_UART + +#define S5P_PA_UART(x) (S3C_PA_UART + ((x) * S3C_UART_OFFSET)) +#define S5P_PA_UART0 S5P_PA_UART(0) +#define S5P_PA_UART1 S5P_PA_UART(1) +#define S5P_PA_UART2 S5P_PA_UART(2) +#define S5P_PA_UART3 S5P_PA_UART(3) +#define S5P_PA_UART4 S5P_PA_UART(4) + +#define S5P_SZ_UART SZ_256 #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5pv310/include/mach/memory.h b/arch/arm/mach-s5pv310/include/mach/memory.h index 1dffb4823245..470b01bf8614 100644 --- a/arch/arm/mach-s5pv310/include/mach/memory.h +++ b/arch/arm/mach-s5pv310/include/mach/memory.h @@ -13,7 +13,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H __FILE__ -#define PHYS_OFFSET UL(0x40000000) +#define PLAT_PHYS_OFFSET UL(0x40000000) /* Maximum of 256MiB in one bank */ #define MAX_PHYSMEM_BITS 32 diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h index 662fe85ff4d5..598fc5c9211b 100644 --- a/arch/arm/mach-s5pv310/include/mach/sysmmu.h +++ b/arch/arm/mach-s5pv310/include/mach/sysmmu.h @@ -13,6 +13,9 @@ #ifndef __ASM_ARM_ARCH_SYSMMU_H #define __ASM_ARM_ARCH_SYSMMU_H __FILE__ +#define S5PV310_SYSMMU_TOTAL_IPNUM 16 +#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM + enum s5pv310_sysmmu_ips { SYSMMU_MDMA, SYSMMU_SSS, @@ -32,7 +35,7 @@ enum s5pv310_sysmmu_ips { SYSMMU_MFC_R, }; -static char *sysmmu_ips_name[S5P_SYSMMU_TOTAL_IPNUM] = { +static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = { "SYSMMU_MDMA" , "SYSMMU_SSS" , "SYSMMU_FIMC0" , diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index d43c5ef58eb6..bd3e1bfdd6aa 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -241,6 +241,9 @@ static struct locomo_platform_data locomo_info = { struct platform_device collie_locomo_device = { .name = "locomo", .id = 0, + .dev = { + .platform_data = &locomo_info, + }, .num_resources = ARRAY_SIZE(locomo_resources), .resource = locomo_resources, }; diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h index 128a1dfa96b9..a44da6a2916c 100644 --- a/arch/arm/mach-sa1100/include/mach/memory.h +++ b/arch/arm/mach-sa1100/include/mach/memory.h @@ -12,7 +12,7 @@ /* * Physical DRAM offset is 0xc0000000 on the SA1100 */ -#define PHYS_OFFSET UL(0xc0000000) +#define PLAT_PHYS_OFFSET UL(0xc0000000) #ifndef __ASSEMBLY__ diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c index ab9fc4470d36..c4661aab22fb 100644 --- a/arch/arm/mach-sa1100/pm.c +++ b/arch/arm/mach-sa1100/pm.c @@ -32,8 +32,7 @@ #include <asm/system.h> #include <asm/mach/time.h> -extern void sa1100_cpu_suspend(void); -extern void sa1100_cpu_resume(void); +extern void sa1100_cpu_suspend(long); #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] @@ -73,10 +72,10 @@ static int sa11x0_pm_enter(suspend_state_t state) RCSR = RCSR_HWR | RCSR_SWR | RCSR_WDR | RCSR_SMR; /* set resume return address */ - PSPR = virt_to_phys(sa1100_cpu_resume); + PSPR = virt_to_phys(cpu_resume); /* go zzz */ - sa1100_cpu_suspend(); + sa1100_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET); cpu_init(); @@ -115,11 +114,6 @@ static int sa11x0_pm_enter(suspend_state_t state) return 0; } -unsigned long sleep_phys_sp(void *sp) -{ - return virt_to_phys(sp); -} - static const struct platform_suspend_ops sa11x0_pm_ops = { .enter = sa11x0_pm_enter, .valid = suspend_valid_only_mem, diff --git a/arch/arm/mach-sa1100/sleep.S b/arch/arm/mach-sa1100/sleep.S index 80f31bad707c..04f2a618d4ef 100644 --- a/arch/arm/mach-sa1100/sleep.S +++ b/arch/arm/mach-sa1100/sleep.S @@ -20,12 +20,7 @@ #include <asm/assembler.h> #include <mach/hardware.h> - - .text - - - /* * sa1100_cpu_suspend() * @@ -34,27 +29,10 @@ */ ENTRY(sa1100_cpu_suspend) - stmfd sp!, {r4 - r12, lr} @ save registers on stack - - @ get coprocessor registers - mrc p15, 0, r4, c3, c0, 0 @ domain ID - mrc p15, 0, r5, c2, c0, 0 @ translation table base addr - mrc p15, 0, r6, c13, c0, 0 @ PID - mrc p15, 0, r7, c1, c0, 0 @ control reg - - @ store them plus current virtual stack ptr on stack - mov r8, sp - stmfd sp!, {r4 - r8} - - @ preserve phys address of stack - mov r0, sp - bl sleep_phys_sp - ldr r1, =sleep_save_sp - str r0, [r1] - - @ clean data cache and invalidate WB - bl v4wb_flush_kern_cache_all + mov r1, r0 + ldr r3, =sa1100_cpu_resume @ return function + bl cpu_suspend @ disable clock switching mcr p15, 0, r1, c15, c2, 2 @@ -166,50 +144,8 @@ sa1110_sdram_controller_fix: * cpu_sa1100_resume() * * entry point from bootloader into kernel during resume - * - * Note: Yes, part of the following code is located into the .data section. - * This is to allow sleep_save_sp to be accessed with a relative load - * while we can't rely on any MMU translation. We could have put - * sleep_save_sp in the .text section as well, but some setups might - * insist on it to be truly read-only. */ - - .data - .align 5 -ENTRY(sa1100_cpu_resume) - mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE - msr cpsr_c, r0 @ set SVC, irqs off - - ldr r0, sleep_save_sp @ stack phys addr - ldr r2, =resume_after_mmu @ its absolute virtual address - ldmfd r0, {r4 - r7, sp} @ CP regs + virt stack ptr - - mov r1, #0 - mcr p15, 0, r1, c8, c7, 0 @ flush I+D TLBs - mcr p15, 0, r1, c7, c7, 0 @ flush I&D cache - mcr p15, 0, r1, c9, c0, 0 @ invalidate RB - mcr p15, 0, r1, c9, c0, 5 @ allow user space to use RB - - mcr p15, 0, r4, c3, c0, 0 @ domain ID - mcr p15, 0, r5, c2, c0, 0 @ translation table base addr - mcr p15, 0, r6, c13, c0, 0 @ PID - b resume_turn_on_mmu @ cache align execution - .align 5 -resume_turn_on_mmu: - mcr p15, 0, r7, c1, c0, 0 @ turn on MMU, caches, etc. - nop - mov pc, r2 @ jump to virtual addr - nop - nop - nop - -sleep_save_sp: - .word 0 @ preserve stack phys ptr here - - .text -resume_after_mmu: +sa1100_cpu_resume: mcr p15, 0, r1, c15, c1, 2 @ enable clock switching ldmfd sp!, {r4 - r12, pc} @ return to caller - - diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h index d9c4812f1c31..9afb17000008 100644 --- a/arch/arm/mach-shark/include/mach/memory.h +++ b/arch/arm/mach-shark/include/mach/memory.h @@ -15,7 +15,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x08000000) +#define PLAT_PHYS_OFFSET UL(0x08000000) #ifndef __ASSEMBLY__ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 4d1b4c5c9389..0c8f6cf3e948 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -60,6 +60,8 @@ endchoice config MACH_AG5EVM bool "AG5EVM board" + select ARCH_REQUIRE_GPIOLIB + select SH_LCD_MIPI_DSI depends on ARCH_SH73A0 config MACH_MACKEREL diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index c18a740a4159..4303a86e6e38 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -34,9 +34,10 @@ #include <linux/input/sh_keysc.h> #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> - +#include <linux/sh_clk.h> +#include <video/sh_mobile_lcdc.h> +#include <video/sh_mipi_dsi.h> #include <sound/sh_fsi.h> - #include <mach/hardware.h> #include <mach/sh73a0.h> #include <mach/common.h> @@ -183,11 +184,165 @@ static struct platform_device mmc_device = { .resource = sh_mmcif_resources, }; +/* IrDA */ +static struct resource irda_resources[] = { + [0] = { + .start = 0xE6D00000, + .end = 0xE6D01FD4 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(95), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device irda_device = { + .name = "sh_irda", + .id = 0, + .resource = irda_resources, + .num_resources = ARRAY_SIZE(irda_resources), +}; + +static unsigned char lcd_backlight_seq[3][2] = { + { 0x04, 0x07 }, + { 0x23, 0x80 }, + { 0x03, 0x01 }, +}; + +static void lcd_backlight_on(void) +{ + struct i2c_adapter *a; + struct i2c_msg msg; + int k; + + a = i2c_get_adapter(1); + for (k = 0; a && k < 3; k++) { + msg.addr = 0x6d; + msg.buf = &lcd_backlight_seq[k][0]; + msg.len = 2; + msg.flags = 0; + if (i2c_transfer(a, &msg, 1) != 1) + break; + } +} + +static void lcd_backlight_reset(void) +{ + gpio_set_value(GPIO_PORT235, 0); + mdelay(24); + gpio_set_value(GPIO_PORT235, 1); +} + +static void lcd_on(void *board_data, struct fb_info *info) +{ + lcd_backlight_on(); +} + +static void lcd_off(void *board_data) +{ + lcd_backlight_reset(); +} + +/* LCDC0 */ +static const struct fb_videomode lcdc0_modes[] = { + { + .name = "R63302(QHD)", + .xres = 544, + .yres = 961, + .left_margin = 72, + .right_margin = 600, + .hsync_len = 16, + .upper_margin = 8, + .lower_margin = 8, + .vsync_len = 2, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, + }, +}; + +static struct sh_mobile_lcdc_info lcdc0_info = { + .clock_source = LCDC_CLK_PERIPHERAL, + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .interface_type = RGB24, + .clock_divider = 1, + .flags = LCDC_FLAGS_DWPOL, + .lcd_size_cfg.width = 44, + .lcd_size_cfg.height = 79, + .bpp = 16, + .lcd_cfg = lcdc0_modes, + .num_cfg = ARRAY_SIZE(lcdc0_modes), + .board_cfg = { + .display_on = lcd_on, + .display_off = lcd_off, + }, + } +}; + +static struct resource lcdc0_resources[] = { + [0] = { + .name = "LCDC0", + .start = 0xfe940000, /* P4-only space */ + .end = 0xfe943fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x580), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device lcdc0_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(lcdc0_resources), + .resource = lcdc0_resources, + .id = 0, + .dev = { + .platform_data = &lcdc0_info, + .coherent_dma_mask = ~0, + }, +}; + +/* MIPI-DSI */ +static struct resource mipidsi0_resources[] = { + [0] = { + .start = 0xfeab0000, + .end = 0xfeab3fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 0xfeab4000, + .end = 0xfeab7fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct sh_mipi_dsi_info mipidsi0_info = { + .data_format = MIPI_RGB888, + .lcd_chan = &lcdc0_info.ch[0], + .vsynw_offset = 20, + .clksrc = 1, + .flags = SH_MIPI_DSI_HSABM, +}; + +static struct platform_device mipidsi0_device = { + .name = "sh-mipi-dsi", + .num_resources = ARRAY_SIZE(mipidsi0_resources), + .resource = mipidsi0_resources, + .id = 0, + .dev = { + .platform_data = &mipidsi0_info, + }, +}; + static struct platform_device *ag5evm_devices[] __initdata = { ð_device, &keysc_device, &fsi_device, &mmc_device, + &irda_device, + &lcdc0_device, + &mipidsi0_device, }; static struct map_desc ag5evm_io_desc[] __initdata = { @@ -224,6 +379,8 @@ void __init ag5evm_init_irq(void) __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A); } +#define DSI0PHYCR 0xe615006c + static void __init ag5evm_init(void) { sh73a0_pinmux_init(); @@ -287,6 +444,26 @@ static void __init ag5evm_init(void) gpio_request(GPIO_FN_FSIAISLD, NULL); gpio_request(GPIO_FN_FSIAOSLD, NULL); + /* IrDA */ + gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL); + gpio_request(GPIO_FN_PORT242_IRDA_IN, NULL); + gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL); + + /* LCD panel */ + gpio_request(GPIO_PORT217, NULL); /* RESET */ + gpio_direction_output(GPIO_PORT217, 0); + mdelay(1); + gpio_set_value(GPIO_PORT217, 1); + mdelay(100); + + /* LCD backlight controller */ + gpio_request(GPIO_PORT235, NULL); /* RESET */ + gpio_direction_output(GPIO_PORT235, 0); + lcd_backlight_reset(); + + /* MIPI-DSI clock setup */ + __raw_writel(0x2a809010, DSI0PHYCR); + #ifdef CONFIG_CACHE_L2X0 /* Shared attribute override enable, 64K*8way */ l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 3cf0951caa2d..81d6536552a9 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -1303,7 +1303,7 @@ static void __init ap4evb_init(void) lcdc_info.clock_source = LCDC_CLK_BUS; lcdc_info.ch[0].interface_type = RGB18; - lcdc_info.ch[0].clock_divider = 2; + lcdc_info.ch[0].clock_divider = 3; lcdc_info.ch[0].flags = 0; lcdc_info.ch[0].lcd_size_cfg.width = 152; lcdc_info.ch[0].lcd_size_cfg.height = 91; diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c index 686b304a7708..ef4613b993a2 100644 --- a/arch/arm/mach-shmobile/board-g3evm.c +++ b/arch/arm/mach-shmobile/board-g3evm.c @@ -347,7 +347,6 @@ static void __init g3evm_init(void) gpio_request(GPIO_FN_IRDA_OUT, NULL); gpio_request(GPIO_FN_IRDA_IN, NULL); gpio_request(GPIO_FN_IRDA_FIRSEL, NULL); - set_irq_type(evt2irq(0x480), IRQ_TYPE_LEVEL_LOW); sh7367_add_standard_devices(); diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 7b15d21f0f68..1657eac5dde2 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -169,9 +169,8 @@ * SW1 | SW33 * | bit1 | bit2 | bit3 | bit4 * -------------+------+------+------+------- - * MMC0 OFF | OFF | ON | ON | X - * MMC1 ON | OFF | ON | X | ON - * SDHI1 OFF | ON | X | OFF | ON + * MMC0 OFF | OFF | X | ON | X (Use MMCIF) + * SDHI1 OFF | ON | X | OFF | X (Use MFD_SH_MOBILE_SDHI) * */ @@ -304,7 +303,7 @@ static struct sh_mobile_lcdc_info lcdc_info = { .lcd_cfg = mackerel_lcdc_modes, .num_cfg = ARRAY_SIZE(mackerel_lcdc_modes), .interface_type = RGB24, - .clock_divider = 2, + .clock_divider = 3, .flags = 0, .lcd_size_cfg.width = 152, .lcd_size_cfg.height = 91, diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 9aa8d68d1a9c..e9731b5a73ed 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -234,7 +234,9 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate) value = __raw_readl(PLLC2CR) & ~(0x3f << 24); - __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR); + __raw_writel(value | ((idx + 19) << 24), PLLC2CR); + + clk->rate = clk->freq_table[idx].frequency; return 0; } diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 720a71433be6..7e58904c1c8c 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -118,8 +118,16 @@ static unsigned long pll_recalc(struct clk *clk) { unsigned long mult = 1; - if (__raw_readl(PLLECR) & (1 << clk->enable_bit)) + if (__raw_readl(PLLECR) & (1 << clk->enable_bit)) { mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1); + /* handle CFG bit for PLL1 and PLL2 */ + switch (clk->enable_bit) { + case 1: + case 2: + if (__raw_readl(clk->enable_reg) & (1 << 20)) + mult *= 2; + } + } return clk->parent->rate * mult; } @@ -212,7 +220,7 @@ enum { DIV4_I, DIV4_ZG, DIV4_M3, DIV4_B, DIV4_M1, DIV4_M2, static struct clk div4_clks[DIV4_NR] = { [DIV4_I] = DIV4(FRQCRA, 20, 0xfff, CLK_ENABLE_ON_INIT), [DIV4_ZG] = DIV4(FRQCRA, 16, 0xbff, CLK_ENABLE_ON_INIT), - [DIV4_M3] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT), + [DIV4_M3] = DIV4(FRQCRA, 12, 0xfff, CLK_ENABLE_ON_INIT), [DIV4_B] = DIV4(FRQCRA, 8, 0xfff, CLK_ENABLE_ON_INIT), [DIV4_M1] = DIV4(FRQCRA, 4, 0xfff, 0), [DIV4_M2] = DIV4(FRQCRA, 0, 0xfff, 0), @@ -255,10 +263,10 @@ static struct clk div6_clks[DIV6_NR] = { }; enum { MSTP001, - MSTP125, MSTP116, + MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP323, MSTP312, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP312, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -267,8 +275,14 @@ enum { MSTP001, static struct clk mstp_clks[MSTP_NR] = { [MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */ + [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* CEU1 */ + [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* CSI2-RX1 */ + [MSTP127] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 27, 0), /* CEU0 */ + [MSTP126] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 26, 0), /* CSI2-RX0 */ [MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ + [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX0 */ [MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */ + [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ [MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */ [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ @@ -279,6 +293,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */ [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ + [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ @@ -288,16 +303,32 @@ static struct clk mstp_clks[MSTP_NR] = { #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk } +#define CLKDEV_ICK_ID(_cid, _did, _clk) { .con_id = _cid, .dev_id = _did, .clk = _clk } static struct clk_lookup lookups[] = { /* main clocks */ CLKDEV_CON_ID("r_clk", &r_clk), + /* DIV6 clocks */ + CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), + CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), + CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), + CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), + CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), + CLKDEV_ICK_ID("dsi1p_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]), + /* MSTP32 clocks */ CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */ + CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP129]), /* CEU1 */ + CLKDEV_DEV_ID("sh-mobile-csi2.1", &mstp_clks[MSTP128]), /* CSI2-RX1 */ + CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), /* CEU0 */ + CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2-RX0 */ CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */ CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */ + CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */ CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */ + CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ @@ -308,6 +339,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */ CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ + CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ diff --git a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt index efd3687ba190..3029aba38688 100644 --- a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt +++ b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt @@ -6,13 +6,10 @@ LIST "RWT Setting" EW 0xE6020004, 0xA500 EW 0xE6030004, 0xA500 -DD 0x01001000, 0x01001000 - LIST "GPIO Setting" EB 0xE6051013, 0xA2 LIST "CPG" -ED 0xE6150080, 0x00000180 ED 0xE61500C0, 0x00000002 WAIT 1, 0xFE40009C @@ -37,6 +34,9 @@ ED 0xE615002C, 0x93000040 WAIT 1, 0xFE40009C +LIST "SUB/USBClk" +ED 0xE6150080, 0x00000180 + LIST "BSC" ED 0xFEC10000, 0x00E0001B @@ -53,7 +53,7 @@ ED 0xFE400048, 0x20C18505 ED 0xFE40004C, 0x00110209 ED 0xFE400010, 0x00000087 -WAIT 10, 0xFE40009C +WAIT 30, 0xFE40009C ED 0xFE400084, 0x0000003F EB 0xFE500000, 0x00 @@ -84,7 +84,7 @@ ED 0xE6150004, 0x80331050 WAIT 1, 0xFE40009C -ED 0xE6150354, 0x00000002 +ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" EB 0xE6053098, 0x11 diff --git a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt index efd3687ba190..3029aba38688 100644 --- a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt +++ b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt @@ -6,13 +6,10 @@ LIST "RWT Setting" EW 0xE6020004, 0xA500 EW 0xE6030004, 0xA500 -DD 0x01001000, 0x01001000 - LIST "GPIO Setting" EB 0xE6051013, 0xA2 LIST "CPG" -ED 0xE6150080, 0x00000180 ED 0xE61500C0, 0x00000002 WAIT 1, 0xFE40009C @@ -37,6 +34,9 @@ ED 0xE615002C, 0x93000040 WAIT 1, 0xFE40009C +LIST "SUB/USBClk" +ED 0xE6150080, 0x00000180 + LIST "BSC" ED 0xFEC10000, 0x00E0001B @@ -53,7 +53,7 @@ ED 0xFE400048, 0x20C18505 ED 0xFE40004C, 0x00110209 ED 0xFE400010, 0x00000087 -WAIT 10, 0xFE40009C +WAIT 30, 0xFE40009C ED 0xFE400084, 0x0000003F EB 0xFE500000, 0x00 @@ -84,7 +84,7 @@ ED 0xE6150004, 0x80331050 WAIT 1, 0xFE40009C -ED 0xE6150354, 0x00000002 +ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" EB 0xE6053098, 0x11 diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h index 377584e57e03..ad00c3c258f4 100644 --- a/arch/arm/mach-shmobile/include/mach/memory.h +++ b/arch/arm/mach-shmobile/include/mach/memory.h @@ -1,7 +1,7 @@ #ifndef __ASM_MACH_MEMORY_H #define __ASM_MACH_MEMORY_H -#define PHYS_OFFSET UL(CONFIG_MEMORY_START) +#define PLAT_PHYS_OFFSET UL(CONFIG_MEMORY_START) #define MEM_SIZE UL(CONFIG_MEMORY_SIZE) /* DMA memory at 0xf6000000 - 0xffdfffff */ diff --git a/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h b/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h new file mode 100644 index 000000000000..a8d02be8d2b6 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h @@ -0,0 +1,29 @@ +#ifndef MMCIF_AP4EB_H +#define MMCIF_AP4EB_H + +#define PORT185CR (void __iomem *)0xe60520b9 +#define PORT186CR (void __iomem *)0xe60520ba +#define PORT187CR (void __iomem *)0xe60520bb +#define PORT188CR (void __iomem *)0xe60520bc + +#define PORTR191_160DR (void __iomem *)0xe6056014 + +static inline void mmcif_init_progress(void) +{ + /* Initialise LEDS1-4 + * registers: PORT185CR-PORT188CR (LED1-LED4 Control) + * value: 0x10 - enable output + */ + __raw_writeb(0x10, PORT185CR); + __raw_writeb(0x10, PORT186CR); + __raw_writeb(0x10, PORT187CR); + __raw_writeb(0x10, PORT188CR); +} + +static inline void mmcif_update_progress(int n) +{ + __raw_writel((__raw_readl(PORTR191_160DR) & ~(0xf << 25)) | + (1 << (25 + n)), PORTR191_160DR); +} + +#endif /* MMCIF_AP4EB_H */ diff --git a/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h b/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h new file mode 100644 index 000000000000..4b4f6949a868 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/mmcif-mackerel.h @@ -0,0 +1,39 @@ +#ifndef MMCIF_MACKEREL_H +#define MMCIF_MACKEREL_H + +#define PORT0CR (void __iomem *)0xe6051000 +#define PORT1CR (void __iomem *)0xe6051001 +#define PORT2CR (void __iomem *)0xe6051002 +#define PORT159CR (void __iomem *)0xe605009f + +#define PORTR031_000DR (void __iomem *)0xe6055000 +#define PORTL159_128DR (void __iomem *)0xe6054010 + +static inline void mmcif_init_progress(void) +{ + /* Initialise LEDS0-3 + * registers: PORT0CR-PORT2CR,PORT159CR (LED0-LED3 Control) + * value: 0x10 - enable output + */ + __raw_writeb(0x10, PORT0CR); + __raw_writeb(0x10, PORT1CR); + __raw_writeb(0x10, PORT2CR); + __raw_writeb(0x10, PORT159CR); +} + +static inline void mmcif_update_progress(int n) +{ + unsigned a = 0, b = 0; + + if (n < 3) + a = 1 << n; + else + b = 1 << 31; + + __raw_writel((__raw_readl(PORTR031_000DR) & ~0x7) | a, + PORTR031_000DR); + __raw_writel((__raw_readl(PORTL159_128DR) & ~(1 << 31)) | b, + PORTL159_128DR); +} + +#endif /* MMCIF_MACKEREL_H */ diff --git a/arch/arm/mach-shmobile/include/mach/mmcif.h b/arch/arm/mach-shmobile/include/mach/mmcif.h new file mode 100644 index 000000000000..f4dc3279cf03 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/mmcif.h @@ -0,0 +1,18 @@ +#ifndef MMCIF_H +#define MMCIF_H + +/************************************************** + * + * board specific settings + * + **************************************************/ + +#ifdef CONFIG_MACH_AP4EVB +#include "mach/mmcif-ap4eb.h" +#elif CONFIG_MACH_MACKEREL +#include "mach/mmcif-mackerel.h" +#else +#error "unsupported board." +#endif + +#endif /* MMCIF_H */ diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index f78a1ead71a5..ca5f9d17b39a 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -365,6 +365,7 @@ static struct intc_desc intca_desc __initdata = { enum { UNUSED_INTCS = 0, + ENABLED_INTCS, INTCS, @@ -413,7 +414,7 @@ enum { CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, - /* MFIS2 */ + MFIS2_INTCS, /* Priority always enabled using ENABLED_INTCS */ CPORTS2R, /* CEC */ JPU6E, @@ -477,7 +478,7 @@ static struct intc_vect intcs_vectors[] = { INTCS_VECT(CMT4, 0x1980), INTCS_VECT(DSITX1_DSITX1_0, 0x19a0), INTCS_VECT(DSITX1_DSITX1_1, 0x19c0), - /* MFIS2 */ + INTCS_VECT(MFIS2_INTCS, 0x1a00), INTCS_VECT(CPORTS2R, 0x1a20), /* CEC */ INTCS_VECT(JPU6E, 0x1a80), @@ -543,7 +544,7 @@ static struct intc_mask_reg intcs_mask_registers[] = { { 0, TMU1_TUNI2, TMU1_TUNI1, TMU1_TUNI0, CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, 0 } }, { 0xffd5019c, 0xffd501dc, 8, /* IMR7SA3 / IMCR7SA3 */ - { 0, CPORTS2R, 0, 0, + { MFIS2_INTCS, CPORTS2R, 0, 0, JPU6E, 0, 0, 0 } }, { 0xffd20104, 0, 16, /* INTAMASK */ { 0, 0, 0, 0, 0, 0, 0, 0, @@ -571,7 +572,8 @@ static struct intc_prio_reg intcs_prio_registers[] = { { 0xffd50030, 0, 16, 4, /* IPRMS3 */ { TMU1, 0, 0, 0 } }, { 0xffd50034, 0, 16, 4, /* IPRNS3 */ { CMT4, DSITX1_DSITX1_0, DSITX1_DSITX1_1, 0 } }, - { 0xffd50038, 0, 16, 4, /* IPROS3 */ { 0, CPORTS2R, 0, 0 } }, + { 0xffd50038, 0, 16, 4, /* IPROS3 */ { ENABLED_INTCS, CPORTS2R, + 0, 0 } }, { 0xffd5003c, 0, 16, 4, /* IPRPS3 */ { JPU6E, 0, 0, 0 } }, }; @@ -590,6 +592,7 @@ static struct resource intcs_resources[] __initdata = { static struct intc_desc intcs_desc __initdata = { .name = "sh7372-intcs", + .force_enable = ENABLED_INTCS, .resource = intcs_resources, .num_resources = ARRAY_SIZE(intcs_resources), .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers, diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c index 322d8d57cbcf..5d0e1503ece6 100644 --- a/arch/arm/mach-shmobile/intc-sh73a0.c +++ b/arch/arm/mach-shmobile/intc-sh73a0.c @@ -252,10 +252,11 @@ static irqreturn_t sh73a0_intcs_demux(int irq, void *dev_id) void __init sh73a0_init_irq(void) { - void __iomem *gic_base = __io(0xf0001000); + void __iomem *gic_dist_base = __io(0xf0001000); + void __iomem *gic_cpu_base = __io(0xf0000100); void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); - gic_init(0, 29, gic_base, gic_base); + gic_init(0, 29, gic_dist_base, gic_cpu_base); register_intc_controller(&intcs_desc); diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c index 18febf92f20a..98bc7edc95a6 100644 --- a/arch/arm/mach-spear3xx/clock.c +++ b/arch/arm/mach-spear3xx/clock.c @@ -13,8 +13,8 @@ #include <linux/init.h> #include <linux/kernel.h> -#include <mach/misc_regs.h> #include <plat/clock.h> +#include <mach/misc_regs.h> /* root clks */ /* 32 KHz oscillator clock */ @@ -39,18 +39,43 @@ static struct clk rtc_clk = { }; /* clock derived from 24 MHz osc clk */ +/* pll masks structure */ +static struct pll_clk_masks pll1_masks = { + .mode_mask = PLL_MODE_MASK, + .mode_shift = PLL_MODE_SHIFT, + .norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK, + .norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT, + .dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK, + .dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT, + .div_p_mask = PLL_DIV_P_MASK, + .div_p_shift = PLL_DIV_P_SHIFT, + .div_n_mask = PLL_DIV_N_MASK, + .div_n_shift = PLL_DIV_N_SHIFT, +}; + /* pll1 configuration structure */ static struct pll_clk_config pll1_config = { .mode_reg = PLL1_CTR, .cfg_reg = PLL1_FRQ, + .masks = &pll1_masks, +}; + +/* pll rate configuration table, in ascending order of rates */ +struct pll_rate_tbl pll_rtbl[] = { + {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */ + {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */ }; /* PLL1 clock */ static struct clk pll1_clk = { + .flags = ENABLED_ON_INIT, .pclk = &osc_24m_clk, .en_reg = PLL1_CTR, .en_reg_bit = PLL_ENABLE, - .recalc = &pll1_clk_recalc, + .calc_rate = &pll_calc_rate, + .recalc = &pll_clk_recalc, + .set_rate = &pll_clk_set_rate, + .rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1}, .private_data = &pll1_config, }; @@ -76,36 +101,83 @@ static struct clk cpu_clk = { .recalc = &follow_parent, }; +/* ahb masks structure */ +static struct bus_clk_masks ahb_masks = { + .mask = PLL_HCLK_RATIO_MASK, + .shift = PLL_HCLK_RATIO_SHIFT, +}; + /* ahb configuration structure */ static struct bus_clk_config ahb_config = { .reg = CORE_CLK_CFG, - .mask = PLL_HCLK_RATIO_MASK, - .shift = PLL_HCLK_RATIO_SHIFT, + .masks = &ahb_masks, +}; + +/* ahb rate configuration table, in ascending order of rates */ +struct bus_rate_tbl bus_rtbl[] = { + {.div = 3}, /* == parent divided by 4 */ + {.div = 2}, /* == parent divided by 3 */ + {.div = 1}, /* == parent divided by 2 */ + {.div = 0}, /* == parent divided by 1 */ }; /* ahb clock */ static struct clk ahb_clk = { .flags = ALWAYS_ENABLED, .pclk = &pll1_clk, + .calc_rate = &bus_calc_rate, .recalc = &bus_clk_recalc, + .set_rate = &bus_clk_set_rate, + .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, .private_data = &ahb_config, }; -/* uart configurations */ -static struct aux_clk_config uart_config = { +/* auxiliary synthesizers masks */ +static struct aux_clk_masks aux_masks = { + .eq_sel_mask = AUX_EQ_SEL_MASK, + .eq_sel_shift = AUX_EQ_SEL_SHIFT, + .eq1_mask = AUX_EQ1_SEL, + .eq2_mask = AUX_EQ2_SEL, + .xscale_sel_mask = AUX_XSCALE_MASK, + .xscale_sel_shift = AUX_XSCALE_SHIFT, + .yscale_sel_mask = AUX_YSCALE_MASK, + .yscale_sel_shift = AUX_YSCALE_SHIFT, +}; + +/* uart synth configurations */ +static struct aux_clk_config uart_synth_config = { .synth_reg = UART_CLK_SYNT, + .masks = &aux_masks, +}; + +/* aux rate configuration table, in ascending order of rates */ +struct aux_rate_tbl aux_rtbl[] = { + /* For PLL1 = 332 MHz */ + {.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */ + {.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */ + {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ +}; + +/* uart synth clock */ +static struct clk uart_synth_clk = { + .en_reg = UART_CLK_SYNT, + .en_reg_bit = AUX_SYNT_ENB, + .pclk = &pll1_clk, + .calc_rate = &aux_calc_rate, + .recalc = &aux_clk_recalc, + .set_rate = &aux_clk_set_rate, + .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1}, + .private_data = &uart_synth_config, }; /* uart parents */ static struct pclk_info uart_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &uart_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; @@ -123,25 +195,35 @@ static struct clk uart_clk = { .en_reg_bit = UART_CLK_ENB, .pclk_sel = &uart_pclk_sel, .pclk_sel_shift = UART_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &uart_config, + .recalc = &follow_parent, }; /* firda configurations */ -static struct aux_clk_config firda_config = { +static struct aux_clk_config firda_synth_config = { .synth_reg = FIRDA_CLK_SYNT, + .masks = &aux_masks, +}; + +/* firda synth clock */ +static struct clk firda_synth_clk = { + .en_reg = FIRDA_CLK_SYNT, + .en_reg_bit = AUX_SYNT_ENB, + .pclk = &pll1_clk, + .calc_rate = &aux_calc_rate, + .recalc = &aux_clk_recalc, + .set_rate = &aux_clk_set_rate, + .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1}, + .private_data = &firda_synth_config, }; /* firda parents */ static struct pclk_info firda_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &firda_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; @@ -159,73 +241,155 @@ static struct clk firda_clk = { .en_reg_bit = FIRDA_CLK_ENB, .pclk_sel = &firda_pclk_sel, .pclk_sel_shift = FIRDA_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &firda_config, + .recalc = &follow_parent, +}; + +/* gpt synthesizer masks */ +static struct gpt_clk_masks gpt_masks = { + .mscale_sel_mask = GPT_MSCALE_MASK, + .mscale_sel_shift = GPT_MSCALE_SHIFT, + .nscale_sel_mask = GPT_NSCALE_MASK, + .nscale_sel_shift = GPT_NSCALE_SHIFT, +}; + +/* gpt rate configuration table, in ascending order of rates */ +struct gpt_rate_tbl gpt_rtbl[] = { + /* For pll1 = 332 MHz */ + {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ + {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ + {.mscale = 1, .nscale = 0}, /* 83 MHz */ +}; + +/* gpt0 synth clk config*/ +static struct gpt_clk_config gpt0_synth_config = { + .synth_reg = PRSC1_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt synth clock */ +static struct clk gpt0_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt0_synth_config, }; /* gpt parents */ -static struct pclk_info gpt_pclk_info[] = { +static struct pclk_info gpt0_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &gpt0_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; /* gpt parent select structure */ -static struct pclk_sel gpt_pclk_sel = { - .pclk_info = gpt_pclk_info, - .pclk_count = ARRAY_SIZE(gpt_pclk_info), +static struct pclk_sel gpt0_pclk_sel = { + .pclk_info = gpt0_pclk_info, + .pclk_count = ARRAY_SIZE(gpt0_pclk_info), .pclk_sel_reg = PERIP_CLK_CFG, .pclk_sel_mask = GPT_CLK_MASK, }; -/* gpt0 configurations */ -static struct aux_clk_config gpt0_config = { - .synth_reg = PRSC1_CLK_CFG, -}; - /* gpt0 timer clock */ static struct clk gpt0_clk = { .flags = ALWAYS_ENABLED, - .pclk_sel = &gpt_pclk_sel, + .pclk_sel = &gpt0_pclk_sel, .pclk_sel_shift = GPT0_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt0_config, + .recalc = &follow_parent, }; -/* gpt1 configurations */ -static struct aux_clk_config gpt1_config = { +/* gpt1 synth clk configurations */ +static struct gpt_clk_config gpt1_synth_config = { .synth_reg = PRSC2_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt1 synth clock */ +static struct clk gpt1_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt1_synth_config, +}; + +static struct pclk_info gpt1_pclk_info[] = { + { + .pclk = &gpt1_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, + }, { + .pclk = &pll3_48m_clk, + .pclk_val = AUX_CLK_PLL3_VAL, + }, +}; + +/* gpt parent select structure */ +static struct pclk_sel gpt1_pclk_sel = { + .pclk_info = gpt1_pclk_info, + .pclk_count = ARRAY_SIZE(gpt1_pclk_info), + .pclk_sel_reg = PERIP_CLK_CFG, + .pclk_sel_mask = GPT_CLK_MASK, }; /* gpt1 timer clock */ static struct clk gpt1_clk = { .en_reg = PERIP1_CLK_ENB, .en_reg_bit = GPT1_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, + .pclk_sel = &gpt1_pclk_sel, .pclk_sel_shift = GPT1_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt1_config, + .recalc = &follow_parent, }; -/* gpt2 configurations */ -static struct aux_clk_config gpt2_config = { +/* gpt2 synth clk configurations */ +static struct gpt_clk_config gpt2_synth_config = { .synth_reg = PRSC3_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt1 synth clock */ +static struct clk gpt2_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt2_synth_config, +}; + +static struct pclk_info gpt2_pclk_info[] = { + { + .pclk = &gpt2_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, + }, { + .pclk = &pll3_48m_clk, + .pclk_val = AUX_CLK_PLL3_VAL, + }, +}; + +/* gpt parent select structure */ +static struct pclk_sel gpt2_pclk_sel = { + .pclk_info = gpt2_pclk_info, + .pclk_count = ARRAY_SIZE(gpt2_pclk_info), + .pclk_sel_reg = PERIP_CLK_CFG, + .pclk_sel_mask = GPT_CLK_MASK, }; /* gpt2 timer clock */ static struct clk gpt2_clk = { .en_reg = PERIP1_CLK_ENB, .en_reg_bit = GPT2_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, + .pclk_sel = &gpt2_pclk_sel, .pclk_sel_shift = GPT2_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt2_config, + .recalc = &follow_parent, }; /* clock derived from pll3 clk */ @@ -245,26 +409,27 @@ static struct clk usbd_clk = { .recalc = &follow_parent, }; -/* clcd clock */ -static struct clk clcd_clk = { - .flags = ALWAYS_ENABLED, - .pclk = &pll3_48m_clk, - .recalc = &follow_parent, +/* clock derived from ahb clk */ +/* apb masks structure */ +static struct bus_clk_masks apb_masks = { + .mask = HCLK_PCLK_RATIO_MASK, + .shift = HCLK_PCLK_RATIO_SHIFT, }; -/* clock derived from ahb clk */ /* apb configuration structure */ static struct bus_clk_config apb_config = { .reg = CORE_CLK_CFG, - .mask = HCLK_PCLK_RATIO_MASK, - .shift = HCLK_PCLK_RATIO_SHIFT, + .masks = &apb_masks, }; /* apb clock */ static struct clk apb_clk = { .flags = ALWAYS_ENABLED, .pclk = &ahb_clk, + .calc_rate = &bus_calc_rate, .recalc = &bus_clk_recalc, + .set_rate = &bus_clk_set_rate, + .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, .private_data = &apb_config, }; @@ -325,8 +490,17 @@ static struct clk adc_clk = { .recalc = &follow_parent, }; +#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) +/* emi clock */ +static struct clk emi_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &ahb_clk, + .recalc = &follow_parent, +}; +#endif + /* ssp clock */ -static struct clk ssp_clk = { +static struct clk ssp0_clk = { .pclk = &apb_clk, .en_reg = PERIP1_CLK_ENB, .en_reg_bit = SSP_CLK_ENB, @@ -343,14 +517,145 @@ static struct clk gpio_clk = { static struct clk dummy_apb_pclk; +#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \ + defined(CONFIG_MACH_SPEAR320) +/* fsmc clock */ +static struct clk fsmc_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &ahb_clk, + .recalc = &follow_parent, +}; +#endif + +/* common clocks to spear310 and spear320 */ +#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) +/* uart1 clock */ +static struct clk uart1_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* uart2 clock */ +static struct clk uart2_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; +#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */ + +/* common clocks to spear300 and spear320 */ +#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320) +/* clcd clock */ +static struct clk clcd_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll3_48m_clk, + .recalc = &follow_parent, +}; + +/* sdhci clock */ +static struct clk sdhci_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &ahb_clk, + .recalc = &follow_parent, +}; +#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */ + +/* spear300 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR300 +/* gpio1 clock */ +static struct clk gpio1_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* keyboard clock */ +static struct clk kbd_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +#endif + +/* spear310 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR310 +/* uart3 clock */ +static struct clk uart3_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* uart4 clock */ +static struct clk uart4_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* uart5 clock */ +static struct clk uart5_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; +#endif + +/* spear320 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR320 +/* can0 clock */ +static struct clk can0_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* can1 clock */ +static struct clk can1_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* i2c1 clock */ +static struct clk i2c1_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &ahb_clk, + .recalc = &follow_parent, +}; + +/* ssp1 clock */ +static struct clk ssp1_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* ssp2 clock */ +static struct clk ssp2_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; + +/* pwm clock */ +static struct clk pwm_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &apb_clk, + .recalc = &follow_parent, +}; +#endif + /* array of all spear 3xx clock lookups */ static struct clk_lookup spear_clk_lookups[] = { - { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, + { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, /* root clks */ { .con_id = "osc_32k_clk", .clk = &osc_32k_clk}, { .con_id = "osc_24m_clk", .clk = &osc_24m_clk}, /* clock derived from 32 KHz osc clk */ - { .dev_id = "rtc", .clk = &rtc_clk}, + { .dev_id = "rtc-spear", .clk = &rtc_clk}, /* clock derived from 24 MHz osc clk */ { .con_id = "pll1_clk", .clk = &pll1_clk}, { .con_id = "pll3_48m_clk", .clk = &pll3_48m_clk}, @@ -358,18 +663,22 @@ static struct clk_lookup spear_clk_lookups[] = { /* clock derived from pll1 clk */ { .con_id = "cpu_clk", .clk = &cpu_clk}, { .con_id = "ahb_clk", .clk = &ahb_clk}, + { .con_id = "uart_synth_clk", .clk = &uart_synth_clk}, + { .con_id = "firda_synth_clk", .clk = &firda_synth_clk}, + { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk}, + { .con_id = "gpt1_synth_clk", .clk = &gpt1_synth_clk}, + { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk}, { .dev_id = "uart", .clk = &uart_clk}, { .dev_id = "firda", .clk = &firda_clk}, { .dev_id = "gpt0", .clk = &gpt0_clk}, { .dev_id = "gpt1", .clk = &gpt1_clk}, { .dev_id = "gpt2", .clk = &gpt2_clk}, /* clock derived from pll3 clk */ - { .dev_id = "usbh", .clk = &usbh_clk}, - { .dev_id = "usbd", .clk = &usbd_clk}, - { .dev_id = "clcd", .clk = &clcd_clk}, + { .dev_id = "designware_udc", .clk = &usbd_clk}, + { .con_id = "usbh_clk", .clk = &usbh_clk}, /* clock derived from ahb clk */ { .con_id = "apb_clk", .clk = &apb_clk}, - { .dev_id = "i2c", .clk = &i2c_clk}, + { .dev_id = "i2c_designware.0", .clk = &i2c_clk}, { .dev_id = "dma", .clk = &dma_clk}, { .dev_id = "jpeg", .clk = &jpeg_clk}, { .dev_id = "gmac", .clk = &gmac_clk}, @@ -377,8 +686,50 @@ static struct clk_lookup spear_clk_lookups[] = { { .dev_id = "c3", .clk = &c3_clk}, /* clock derived from apb clk */ { .dev_id = "adc", .clk = &adc_clk}, - { .dev_id = "ssp", .clk = &ssp_clk}, + { .dev_id = "ssp-pl022.0", .clk = &ssp0_clk}, { .dev_id = "gpio", .clk = &gpio_clk}, +#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) + { .dev_id = "physmap-flash", .clk = &emi_clk}, +#endif +#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \ + defined(CONFIG_MACH_SPEAR320) + { .con_id = "fsmc", .clk = &fsmc_clk}, +#endif + +/* common clocks to spear310 and spear320 */ +#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) + { .dev_id = "uart1", .clk = &uart1_clk}, + { .dev_id = "uart2", .clk = &uart2_clk}, +#endif + + /* common clock to spear300 and spear320 */ +#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320) + { .dev_id = "clcd", .clk = &clcd_clk}, + { .dev_id = "sdhci", .clk = &sdhci_clk}, +#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */ + + /* spear300 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR300 + { .dev_id = "gpio1", .clk = &gpio1_clk}, + { .dev_id = "keyboard", .clk = &kbd_clk}, +#endif + + /* spear310 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR310 + { .dev_id = "uart3", .clk = &uart3_clk}, + { .dev_id = "uart4", .clk = &uart4_clk}, + { .dev_id = "uart5", .clk = &uart5_clk}, + +#endif + /* spear320 machine specific clock structures */ +#ifdef CONFIG_MACH_SPEAR320 + { .dev_id = "c_can_platform.0", .clk = &can0_clk}, + { .dev_id = "c_can_platform.1", .clk = &can1_clk}, + { .dev_id = "i2c_designware.1", .clk = &i2c1_clk}, + { .dev_id = "ssp-pl022.1", .clk = &ssp1_clk}, + { .dev_id = "ssp-pl022.2", .clk = &ssp2_clk}, + { .dev_id = "pwm", .clk = &pwm_clk}, +#endif }; void __init clk_init(void) diff --git a/arch/arm/mach-spear3xx/include/mach/entry-macro.S b/arch/arm/mach-spear3xx/include/mach/entry-macro.S index 947625d6b48d..53da4224ba3d 100644 --- a/arch/arm/mach-spear3xx/include/mach/entry-macro.S +++ b/arch/arm/mach-spear3xx/include/mach/entry-macro.S @@ -11,9 +11,8 @@ * warranty of any kind, whether express or implied. */ -#include <mach/hardware.h> -#include <mach/spear.h> #include <asm/hardware/vic.h> +#include <mach/hardware.h> .macro disable_fiq .endm diff --git a/arch/arm/mach-spear3xx/include/mach/generic.h b/arch/arm/mach-spear3xx/include/mach/generic.h index af7e02c909a3..8e30636909ef 100644 --- a/arch/arm/mach-spear3xx/include/mach/generic.h +++ b/arch/arm/mach-spear3xx/include/mach/generic.h @@ -14,11 +14,11 @@ #ifndef __MACH_GENERIC_H #define __MACH_GENERIC_H -#include <asm/mach/time.h> -#include <asm/mach/map.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/amba/bus.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> #include <plat/padmux.h> /* spear3xx declarations */ @@ -33,14 +33,14 @@ /* Add spear3xx family device structure declarations here */ extern struct amba_device gpio_device; extern struct amba_device uart_device; -extern struct sys_timer spear_sys_timer; +extern struct sys_timer spear3xx_timer; /* Add spear3xx family function declarations here */ void __init clk_init(void); +void __init spear_setup_timer(void); void __init spear3xx_map_io(void); void __init spear3xx_init_irq(void); void __init spear3xx_init(void); -void spear_pmx_init(struct pmx_driver *pmx_driver, uint base, uint size); /* pad mux declarations */ #define PMX_FIRDA_MASK (1 << 14) @@ -129,12 +129,10 @@ extern struct pmx_dev pmx_telecom_camera; extern struct pmx_dev pmx_telecom_dac; extern struct pmx_dev pmx_telecom_i2s; extern struct pmx_dev pmx_telecom_boot_pins; -extern struct pmx_dev pmx_telecom_sdio_4bit; -extern struct pmx_dev pmx_telecom_sdio_8bit; +extern struct pmx_dev pmx_telecom_sdhci_4bit; +extern struct pmx_dev pmx_telecom_sdhci_8bit; extern struct pmx_dev pmx_gpio1; -void spear300_pmx_init(void); - /* Add spear300 machine function declarations here */ void __init spear300_init(void); @@ -154,8 +152,6 @@ extern struct pmx_dev pmx_fsmc; extern struct pmx_dev pmx_rs485_0_1; extern struct pmx_dev pmx_tdm0; -void spear310_pmx_init(void); - /* Add spear310 machine function declarations here */ void __init spear310_init(void); @@ -176,14 +172,14 @@ extern struct pmx_dev pmx_clcd; extern struct pmx_dev pmx_emi; extern struct pmx_dev pmx_fsmc; extern struct pmx_dev pmx_spp; -extern struct pmx_dev pmx_sdio; +extern struct pmx_dev pmx_sdhci; extern struct pmx_dev pmx_i2s; extern struct pmx_dev pmx_uart1; extern struct pmx_dev pmx_uart1_modem; extern struct pmx_dev pmx_uart2; extern struct pmx_dev pmx_touchscreen; extern struct pmx_dev pmx_can; -extern struct pmx_dev pmx_sdio_led; +extern struct pmx_dev pmx_sdhci_led; extern struct pmx_dev pmx_pwm0; extern struct pmx_dev pmx_pwm1; extern struct pmx_dev pmx_pwm2; @@ -195,8 +191,6 @@ extern struct pmx_dev pmx_smii0; extern struct pmx_dev pmx_smii1; extern struct pmx_dev pmx_i2c1; -void spear320_pmx_init(void); - /* Add spear320 machine function declarations here */ void __init spear320_init(void); diff --git a/arch/arm/mach-spear3xx/include/mach/hardware.h b/arch/arm/mach-spear3xx/include/mach/hardware.h index 4a86e6a3c444..4660c0d8ec0d 100644 --- a/arch/arm/mach-spear3xx/include/mach/hardware.h +++ b/arch/arm/mach-spear3xx/include/mach/hardware.h @@ -14,6 +14,9 @@ #ifndef __MACH_HARDWARE_H #define __MACH_HARDWARE_H +#include <plat/hardware.h> +#include <mach/spear.h> + /* Vitual to physical translation of statically mapped space */ #define IO_ADDRESS(x) (x | 0xF0000000) diff --git a/arch/arm/mach-spear3xx/include/mach/irqs.h b/arch/arm/mach-spear3xx/include/mach/irqs.h index 7f940b818473..a1a7f481866d 100644 --- a/arch/arm/mach-spear3xx/include/mach/irqs.h +++ b/arch/arm/mach-spear3xx/include/mach/irqs.h @@ -69,7 +69,7 @@ #define IRQ_CLCD IRQ_GEN_RAS_3 /* IRQs sharing IRQ_INTRCOMM_RAS_ARM */ -#define IRQ_SDIO IRQ_INTRCOMM_RAS_ARM +#define IRQ_SDHCI IRQ_INTRCOMM_RAS_ARM /* GPIO pins virtual irqs */ #define SPEAR_GPIO_INT_BASE (VIRQ_START + 9) @@ -115,7 +115,7 @@ #define VIRQ_SPP (VIRQ_START + 2) /* IRQs sharing IRQ_GEN_RAS_2 */ -#define IRQ_SDIO IRQ_GEN_RAS_2 +#define IRQ_SDHCI IRQ_GEN_RAS_2 /* IRQs sharing IRQ_GEN_RAS_3 */ #define VIRQ_PLGPIO (VIRQ_START + 3) diff --git a/arch/arm/mach-spear3xx/include/mach/misc_regs.h b/arch/arm/mach-spear3xx/include/mach/misc_regs.h index 38d767a1aba0..5bd8cd8d4852 100644 --- a/arch/arm/mach-spear3xx/include/mach/misc_regs.h +++ b/arch/arm/mach-spear3xx/include/mach/misc_regs.h @@ -14,16 +14,16 @@ #ifndef __MACH_MISC_REGS_H #define __MACH_MISC_REGS_H -#include <mach/spear.h> +#include <mach/hardware.h> -#define MISC_BASE VA_SPEAR3XX_ICM3_MISC_REG_BASE +#define MISC_BASE IOMEM(VA_SPEAR3XX_ICM3_MISC_REG_BASE) -#define SOC_CFG_CTR ((unsigned int *)(MISC_BASE + 0x000)) -#define DIAG_CFG_CTR ((unsigned int *)(MISC_BASE + 0x004)) -#define PLL1_CTR ((unsigned int *)(MISC_BASE + 0x008)) -#define PLL1_FRQ ((unsigned int *)(MISC_BASE + 0x00C)) -#define PLL1_MOD ((unsigned int *)(MISC_BASE + 0x010)) -#define PLL2_CTR ((unsigned int *)(MISC_BASE + 0x014)) +#define SOC_CFG_CTR (MISC_BASE + 0x000) +#define DIAG_CFG_CTR (MISC_BASE + 0x004) +#define PLL1_CTR (MISC_BASE + 0x008) +#define PLL1_FRQ (MISC_BASE + 0x00C) +#define PLL1_MOD (MISC_BASE + 0x010) +#define PLL2_CTR (MISC_BASE + 0x014) /* PLL_CTR register masks */ #define PLL_ENABLE 2 #define PLL_MODE_SHIFT 4 @@ -33,7 +33,7 @@ #define PLL_MODE_DITH_DSB 2 #define PLL_MODE_DITH_SSB 3 -#define PLL2_FRQ ((unsigned int *)(MISC_BASE + 0x018)) +#define PLL2_FRQ (MISC_BASE + 0x018) /* PLL FRQ register masks */ #define PLL_DIV_N_SHIFT 0 #define PLL_DIV_N_MASK 0xFF @@ -44,16 +44,16 @@ #define PLL_DITH_FDBK_M_SHIFT 16 #define PLL_DITH_FDBK_M_MASK 0xFFFF -#define PLL2_MOD ((unsigned int *)(MISC_BASE + 0x01C)) -#define PLL_CLK_CFG ((unsigned int *)(MISC_BASE + 0x020)) -#define CORE_CLK_CFG ((unsigned int *)(MISC_BASE + 0x024)) +#define PLL2_MOD (MISC_BASE + 0x01C) +#define PLL_CLK_CFG (MISC_BASE + 0x020) +#define CORE_CLK_CFG (MISC_BASE + 0x024) /* CORE CLK CFG register masks */ #define PLL_HCLK_RATIO_SHIFT 10 #define PLL_HCLK_RATIO_MASK 0x3 #define HCLK_PCLK_RATIO_SHIFT 8 #define HCLK_PCLK_RATIO_MASK 0x3 -#define PERIP_CLK_CFG ((unsigned int *)(MISC_BASE + 0x028)) +#define PERIP_CLK_CFG (MISC_BASE + 0x028) /* PERIP_CLK_CFG register masks */ #define UART_CLK_SHIFT 4 #define UART_CLK_MASK 0x1 @@ -63,10 +63,10 @@ #define GPT1_CLK_SHIFT 11 #define GPT2_CLK_SHIFT 12 #define GPT_CLK_MASK 0x1 -#define AUX_CLK_PLL3_MASK 0 -#define AUX_CLK_PLL1_MASK 1 +#define AUX_CLK_PLL3_VAL 0 +#define AUX_CLK_PLL1_VAL 1 -#define PERIP1_CLK_ENB ((unsigned int *)(MISC_BASE + 0x02C)) +#define PERIP1_CLK_ENB (MISC_BASE + 0x02C) /* PERIP1_CLK_ENB register masks */ #define UART_CLK_ENB 3 #define SSP_CLK_ENB 5 @@ -85,34 +85,35 @@ #define USBH_CLK_ENB 25 #define C3_CLK_ENB 31 -#define SOC_CORE_ID ((unsigned int *)(MISC_BASE + 0x030)) -#define RAS_CLK_ENB ((unsigned int *)(MISC_BASE + 0x034)) -#define PERIP1_SOF_RST ((unsigned int *)(MISC_BASE + 0x038)) +#define SOC_CORE_ID (MISC_BASE + 0x030) +#define RAS_CLK_ENB (MISC_BASE + 0x034) +#define PERIP1_SOF_RST (MISC_BASE + 0x038) /* PERIP1_SOF_RST register masks */ #define JPEG_SOF_RST 8 -#define SOC_USER_ID ((unsigned int *)(MISC_BASE + 0x03C)) -#define RAS_SOF_RST ((unsigned int *)(MISC_BASE + 0x040)) -#define PRSC1_CLK_CFG ((unsigned int *)(MISC_BASE + 0x044)) -#define PRSC2_CLK_CFG ((unsigned int *)(MISC_BASE + 0x048)) -#define PRSC3_CLK_CFG ((unsigned int *)(MISC_BASE + 0x04C)) +#define SOC_USER_ID (MISC_BASE + 0x03C) +#define RAS_SOF_RST (MISC_BASE + 0x040) +#define PRSC1_CLK_CFG (MISC_BASE + 0x044) +#define PRSC2_CLK_CFG (MISC_BASE + 0x048) +#define PRSC3_CLK_CFG (MISC_BASE + 0x04C) /* gpt synthesizer register masks */ #define GPT_MSCALE_SHIFT 0 #define GPT_MSCALE_MASK 0xFFF #define GPT_NSCALE_SHIFT 12 #define GPT_NSCALE_MASK 0xF -#define AMEM_CLK_CFG ((unsigned int *)(MISC_BASE + 0x050)) -#define EXPI_CLK_CFG ((unsigned int *)(MISC_BASE + 0x054)) -#define CLCD_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x05C)) -#define FIRDA_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x060)) -#define UART_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x064)) -#define GMAC_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x068)) -#define RAS1_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x06C)) -#define RAS2_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x070)) -#define RAS3_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x074)) -#define RAS4_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x078)) +#define AMEM_CLK_CFG (MISC_BASE + 0x050) +#define EXPI_CLK_CFG (MISC_BASE + 0x054) +#define CLCD_CLK_SYNT (MISC_BASE + 0x05C) +#define FIRDA_CLK_SYNT (MISC_BASE + 0x060) +#define UART_CLK_SYNT (MISC_BASE + 0x064) +#define GMAC_CLK_SYNT (MISC_BASE + 0x068) +#define RAS1_CLK_SYNT (MISC_BASE + 0x06C) +#define RAS2_CLK_SYNT (MISC_BASE + 0x070) +#define RAS3_CLK_SYNT (MISC_BASE + 0x074) +#define RAS4_CLK_SYNT (MISC_BASE + 0x078) /* aux clk synthesiser register masks for irda to ras4 */ +#define AUX_SYNT_ENB 31 #define AUX_EQ_SEL_SHIFT 30 #define AUX_EQ_SEL_MASK 1 #define AUX_EQ1_SEL 0 @@ -122,42 +123,42 @@ #define AUX_YSCALE_SHIFT 0 #define AUX_YSCALE_MASK 0xFFF -#define ICM1_ARB_CFG ((unsigned int *)(MISC_BASE + 0x07C)) -#define ICM2_ARB_CFG ((unsigned int *)(MISC_BASE + 0x080)) -#define ICM3_ARB_CFG ((unsigned int *)(MISC_BASE + 0x084)) -#define ICM4_ARB_CFG ((unsigned int *)(MISC_BASE + 0x088)) -#define ICM5_ARB_CFG ((unsigned int *)(MISC_BASE + 0x08C)) -#define ICM6_ARB_CFG ((unsigned int *)(MISC_BASE + 0x090)) -#define ICM7_ARB_CFG ((unsigned int *)(MISC_BASE + 0x094)) -#define ICM8_ARB_CFG ((unsigned int *)(MISC_BASE + 0x098)) -#define ICM9_ARB_CFG ((unsigned int *)(MISC_BASE + 0x09C)) -#define DMA_CHN_CFG ((unsigned int *)(MISC_BASE + 0x0A0)) -#define USB2_PHY_CFG ((unsigned int *)(MISC_BASE + 0x0A4)) -#define GMAC_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0A8)) -#define EXPI_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0AC)) -#define PRC1_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C0)) -#define PRC2_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C4)) -#define PRC3_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C8)) -#define PRC4_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0CC)) -#define PRC1_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D0)) -#define PRC2_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D4)) -#define PRC3_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D8)) -#define PRC4_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0DC)) -#define PWRDOWN_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0E0)) -#define COMPSSTL_1V8_CFG ((unsigned int *)(MISC_BASE + 0x0E4)) -#define COMPSSTL_2V5_CFG ((unsigned int *)(MISC_BASE + 0x0E8)) -#define COMPCOR_3V3_CFG ((unsigned int *)(MISC_BASE + 0x0EC)) -#define SSTLPAD_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F0)) -#define BIST1_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F4)) -#define BIST2_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F8)) -#define BIST3_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0FC)) -#define BIST4_CFG_CTR ((unsigned int *)(MISC_BASE + 0x100)) -#define BIST5_CFG_CTR ((unsigned int *)(MISC_BASE + 0x104)) -#define BIST1_STS_RES ((unsigned int *)(MISC_BASE + 0x108)) -#define BIST2_STS_RES ((unsigned int *)(MISC_BASE + 0x10C)) -#define BIST3_STS_RES ((unsigned int *)(MISC_BASE + 0x110)) -#define BIST4_STS_RES ((unsigned int *)(MISC_BASE + 0x114)) -#define BIST5_STS_RES ((unsigned int *)(MISC_BASE + 0x118)) -#define SYSERR_CFG_CTR ((unsigned int *)(MISC_BASE + 0x11C)) +#define ICM1_ARB_CFG (MISC_BASE + 0x07C) +#define ICM2_ARB_CFG (MISC_BASE + 0x080) +#define ICM3_ARB_CFG (MISC_BASE + 0x084) +#define ICM4_ARB_CFG (MISC_BASE + 0x088) +#define ICM5_ARB_CFG (MISC_BASE + 0x08C) +#define ICM6_ARB_CFG (MISC_BASE + 0x090) +#define ICM7_ARB_CFG (MISC_BASE + 0x094) +#define ICM8_ARB_CFG (MISC_BASE + 0x098) +#define ICM9_ARB_CFG (MISC_BASE + 0x09C) +#define DMA_CHN_CFG (MISC_BASE + 0x0A0) +#define USB2_PHY_CFG (MISC_BASE + 0x0A4) +#define GMAC_CFG_CTR (MISC_BASE + 0x0A8) +#define EXPI_CFG_CTR (MISC_BASE + 0x0AC) +#define PRC1_LOCK_CTR (MISC_BASE + 0x0C0) +#define PRC2_LOCK_CTR (MISC_BASE + 0x0C4) +#define PRC3_LOCK_CTR (MISC_BASE + 0x0C8) +#define PRC4_LOCK_CTR (MISC_BASE + 0x0CC) +#define PRC1_IRQ_CTR (MISC_BASE + 0x0D0) +#define PRC2_IRQ_CTR (MISC_BASE + 0x0D4) +#define PRC3_IRQ_CTR (MISC_BASE + 0x0D8) +#define PRC4_IRQ_CTR (MISC_BASE + 0x0DC) +#define PWRDOWN_CFG_CTR (MISC_BASE + 0x0E0) +#define COMPSSTL_1V8_CFG (MISC_BASE + 0x0E4) +#define COMPSSTL_2V5_CFG (MISC_BASE + 0x0E8) +#define COMPCOR_3V3_CFG (MISC_BASE + 0x0EC) +#define SSTLPAD_CFG_CTR (MISC_BASE + 0x0F0) +#define BIST1_CFG_CTR (MISC_BASE + 0x0F4) +#define BIST2_CFG_CTR (MISC_BASE + 0x0F8) +#define BIST3_CFG_CTR (MISC_BASE + 0x0FC) +#define BIST4_CFG_CTR (MISC_BASE + 0x100) +#define BIST5_CFG_CTR (MISC_BASE + 0x104) +#define BIST1_STS_RES (MISC_BASE + 0x108) +#define BIST2_STS_RES (MISC_BASE + 0x10C) +#define BIST3_STS_RES (MISC_BASE + 0x110) +#define BIST4_STS_RES (MISC_BASE + 0x114) +#define BIST5_STS_RES (MISC_BASE + 0x118) +#define SYSERR_CFG_CTR (MISC_BASE + 0x11C) #endif /* __MACH_MISC_REGS_H */ diff --git a/arch/arm/mach-spear3xx/include/mach/spear.h b/arch/arm/mach-spear3xx/include/mach/spear.h index dcca8568a486..63fd98356919 100644 --- a/arch/arm/mach-spear3xx/include/mach/spear.h +++ b/arch/arm/mach-spear3xx/include/mach/spear.h @@ -14,124 +14,61 @@ #ifndef __MACH_SPEAR3XX_H #define __MACH_SPEAR3XX_H -#include <mach/hardware.h> +#include <asm/memory.h> #include <mach/spear300.h> #include <mach/spear310.h> #include <mach/spear320.h> -#define SPEAR3XX_ML_SDRAM_BASE 0x00000000 -#define SPEAR3XX_ML_SDRAM_SIZE 0x40000000 +#define SPEAR3XX_ML_SDRAM_BASE UL(0x00000000) -#define SPEAR3XX_ICM9_BASE 0xC0000000 -#define SPEAR3XX_ICM9_SIZE 0x10000000 +#define SPEAR3XX_ICM9_BASE UL(0xC0000000) /* ICM1 - Low speed connection */ -#define SPEAR3XX_ICM1_2_BASE 0xD0000000 -#define SPEAR3XX_ICM1_2_SIZE 0x10000000 - -#define SPEAR3XX_ICM1_UART_BASE 0xD0000000 +#define SPEAR3XX_ICM1_2_BASE UL(0xD0000000) +#define SPEAR3XX_ICM1_UART_BASE UL(0xD0000000) #define VA_SPEAR3XX_ICM1_UART_BASE IO_ADDRESS(SPEAR3XX_ICM1_UART_BASE) -#define SPEAR3XX_ICM1_UART_SIZE 0x00080000 - -#define SPEAR3XX_ICM1_ADC_BASE 0xD0080000 -#define SPEAR3XX_ICM1_ADC_SIZE 0x00080000 - -#define SPEAR3XX_ICM1_SSP_BASE 0xD0100000 -#define SPEAR3XX_ICM1_SSP_SIZE 0x00080000 - -#define SPEAR3XX_ICM1_I2C_BASE 0xD0180000 -#define SPEAR3XX_ICM1_I2C_SIZE 0x00080000 - -#define SPEAR3XX_ICM1_JPEG_BASE 0xD0800000 -#define SPEAR3XX_ICM1_JPEG_SIZE 0x00800000 - -#define SPEAR3XX_ICM1_IRDA_BASE 0xD1000000 -#define SPEAR3XX_ICM1_IRDA_SIZE 0x00080000 - -#define SPEAR3XX_ICM1_SRAM_BASE 0xD2800000 -#define SPEAR3XX_ICM1_SRAM_SIZE 0x05800000 +#define SPEAR3XX_ICM1_ADC_BASE UL(0xD0080000) +#define SPEAR3XX_ICM1_SSP_BASE UL(0xD0100000) +#define SPEAR3XX_ICM1_I2C_BASE UL(0xD0180000) +#define SPEAR3XX_ICM1_JPEG_BASE UL(0xD0800000) +#define SPEAR3XX_ICM1_IRDA_BASE UL(0xD1000000) +#define SPEAR3XX_ICM1_SRAM_BASE UL(0xD2800000) /* ICM2 - Application Subsystem */ -#define SPEAR3XX_ICM2_HWACCEL0_BASE 0xD8800000 -#define SPEAR3XX_ICM2_HWACCEL0_SIZE 0x00800000 - -#define SPEAR3XX_ICM2_HWACCEL1_BASE 0xD9000000 -#define SPEAR3XX_ICM2_HWACCEL1_SIZE 0x00800000 +#define SPEAR3XX_ICM2_HWACCEL0_BASE UL(0xD8800000) +#define SPEAR3XX_ICM2_HWACCEL1_BASE UL(0xD9000000) /* ICM4 - High Speed Connection */ -#define SPEAR3XX_ICM4_BASE 0xE0000000 -#define SPEAR3XX_ICM4_SIZE 0x08000000 - -#define SPEAR3XX_ICM4_MII_BASE 0xE0800000 -#define SPEAR3XX_ICM4_MII_SIZE 0x00800000 - -#define SPEAR3XX_ICM4_USBD_FIFO_BASE 0xE1000000 -#define SPEAR3XX_ICM4_USBD_FIFO_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USBD_CSR_BASE 0xE1100000 -#define SPEAR3XX_ICM4_USBD_CSR_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USBD_PLDT_BASE 0xE1200000 -#define SPEAR3XX_ICM4_USBD_PLDT_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USB_EHCI0_1_BASE 0xE1800000 -#define SPEAR3XX_ICM4_USB_EHCI0_1_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USB_OHCI0_BASE 0xE1900000 -#define SPEAR3XX_ICM4_USB_OHCI0_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USB_OHCI1_BASE 0xE2100000 -#define SPEAR3XX_ICM4_USB_OHCI1_SIZE 0x00100000 - -#define SPEAR3XX_ICM4_USB_ARB_BASE 0xE2800000 -#define SPEAR3XX_ICM4_USB_ARB_SIZE 0x00010000 +#define SPEAR3XX_ICM4_BASE UL(0xE0000000) +#define SPEAR3XX_ICM4_MII_BASE UL(0xE0800000) +#define SPEAR3XX_ICM4_USBD_FIFO_BASE UL(0xE1000000) +#define SPEAR3XX_ICM4_USBD_CSR_BASE UL(0xE1100000) +#define SPEAR3XX_ICM4_USBD_PLDT_BASE UL(0xE1200000) +#define SPEAR3XX_ICM4_USB_EHCI0_1_BASE UL(0xE1800000) +#define SPEAR3XX_ICM4_USB_OHCI0_BASE UL(0xE1900000) +#define SPEAR3XX_ICM4_USB_OHCI1_BASE UL(0xE2100000) +#define SPEAR3XX_ICM4_USB_ARB_BASE UL(0xE2800000) /* ML1 - Multi Layer CPU Subsystem */ -#define SPEAR3XX_ICM3_ML1_2_BASE 0xF0000000 -#define SPEAR3XX_ICM3_ML1_2_SIZE 0x0F000000 - -#define SPEAR3XX_ML1_TMR_BASE 0xF0000000 -#define SPEAR3XX_ML1_TMR_SIZE 0x00100000 - -#define SPEAR3XX_ML1_VIC_BASE 0xF1100000 +#define SPEAR3XX_ICM3_ML1_2_BASE UL(0xF0000000) +#define SPEAR3XX_ML1_TMR_BASE UL(0xF0000000) +#define SPEAR3XX_ML1_VIC_BASE UL(0xF1100000) #define VA_SPEAR3XX_ML1_VIC_BASE IO_ADDRESS(SPEAR3XX_ML1_VIC_BASE) -#define SPEAR3XX_ML1_VIC_SIZE 0x00100000 /* ICM3 - Basic Subsystem */ -#define SPEAR3XX_ICM3_SMEM_BASE 0xF8000000 -#define SPEAR3XX_ICM3_SMEM_SIZE 0x04000000 - -#define SPEAR3XX_ICM3_SMI_CTRL_BASE 0xFC000000 -#define SPEAR3XX_ICM3_SMI_CTRL_SIZE 0x00200000 - -#define SPEAR3XX_ICM3_DMA_BASE 0xFC400000 -#define SPEAR3XX_ICM3_DMA_SIZE 0x00200000 - -#define SPEAR3XX_ICM3_SDRAM_CTRL_BASE 0xFC600000 -#define SPEAR3XX_ICM3_SDRAM_CTRL_SIZE 0x00200000 - -#define SPEAR3XX_ICM3_TMR0_BASE 0xFC800000 -#define SPEAR3XX_ICM3_TMR0_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_WDT_BASE 0xFC880000 -#define SPEAR3XX_ICM3_WDT_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_RTC_BASE 0xFC900000 -#define SPEAR3XX_ICM3_RTC_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_GPIO_BASE 0xFC980000 -#define SPEAR3XX_ICM3_GPIO_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_SYS_CTRL_BASE 0xFCA00000 +#define SPEAR3XX_ICM3_SMEM_BASE UL(0xF8000000) +#define SPEAR3XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) +#define SPEAR3XX_ICM3_DMA_BASE UL(0xFC400000) +#define SPEAR3XX_ICM3_SDRAM_CTRL_BASE UL(0xFC600000) +#define SPEAR3XX_ICM3_TMR0_BASE UL(0xFC800000) +#define SPEAR3XX_ICM3_WDT_BASE UL(0xFC880000) +#define SPEAR3XX_ICM3_RTC_BASE UL(0xFC900000) +#define SPEAR3XX_ICM3_GPIO_BASE UL(0xFC980000) +#define SPEAR3XX_ICM3_SYS_CTRL_BASE UL(0xFCA00000) #define VA_SPEAR3XX_ICM3_SYS_CTRL_BASE IO_ADDRESS(SPEAR3XX_ICM3_SYS_CTRL_BASE) -#define SPEAR3XX_ICM3_SYS_CTRL_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_MISC_REG_BASE 0xFCA80000 +#define SPEAR3XX_ICM3_MISC_REG_BASE UL(0xFCA80000) #define VA_SPEAR3XX_ICM3_MISC_REG_BASE IO_ADDRESS(SPEAR3XX_ICM3_MISC_REG_BASE) -#define SPEAR3XX_ICM3_MISC_REG_SIZE 0x00080000 - -#define SPEAR3XX_ICM3_TMR1_BASE 0xFCB00000 -#define SPEAR3XX_ICM3_TMR1_SIZE 0x00080000 +#define SPEAR3XX_ICM3_TMR1_BASE UL(0xFCB00000) /* Debug uart for linux, will be used for debug and uncompress messages */ #define SPEAR_DBG_UART_BASE SPEAR3XX_ICM1_UART_BASE diff --git a/arch/arm/mach-spear3xx/include/mach/spear300.h b/arch/arm/mach-spear3xx/include/mach/spear300.h index ccaa76522ee2..c723515f8853 100644 --- a/arch/arm/mach-spear3xx/include/mach/spear300.h +++ b/arch/arm/mach-spear3xx/include/mach/spear300.h @@ -17,11 +17,9 @@ #define __MACH_SPEAR300_H /* Base address of various IPs */ -#define SPEAR300_TELECOM_BASE 0x50000000 -#define SPEAR300_TELECOM_SIZE 0x10000000 +#define SPEAR300_TELECOM_BASE UL(0x50000000) /* Interrupt registers offsets and masks */ -#define SPEAR300_TELECOM_REG_SIZE 0x00010000 #define INT_ENB_MASK_REG 0x54 #define INT_STS_MASK_REG 0x58 #define IT_PERS_S_IRQ_MASK (1 << 0) @@ -36,47 +34,20 @@ #define SHIRQ_RAS1_MASK 0x1FF -#define SPEAR300_CLCD_BASE 0x60000000 -#define SPEAR300_CLCD_SIZE 0x10000000 - -#define SPEAR300_SDIO_BASE 0x70000000 -#define SPEAR300_SDIO_SIZE 0x10000000 - -#define SPEAR300_NAND_0_BASE 0x80000000 -#define SPEAR300_NAND_0_SIZE 0x04000000 - -#define SPEAR300_NAND_1_BASE 0x84000000 -#define SPEAR300_NAND_1_SIZE 0x04000000 - -#define SPEAR300_NAND_2_BASE 0x88000000 -#define SPEAR300_NAND_2_SIZE 0x04000000 - -#define SPEAR300_NAND_3_BASE 0x8c000000 -#define SPEAR300_NAND_3_SIZE 0x04000000 - -#define SPEAR300_NOR_0_BASE 0x90000000 -#define SPEAR300_NOR_0_SIZE 0x01000000 - -#define SPEAR300_NOR_1_BASE 0x91000000 -#define SPEAR300_NOR_1_SIZE 0x01000000 - -#define SPEAR300_NOR_2_BASE 0x92000000 -#define SPEAR300_NOR_2_SIZE 0x01000000 - -#define SPEAR300_NOR_3_BASE 0x93000000 -#define SPEAR300_NOR_3_SIZE 0x01000000 - -#define SPEAR300_FSMC_BASE 0x94000000 -#define SPEAR300_FSMC_SIZE 0x05000000 - -#define SPEAR300_SOC_CONFIG_BASE 0x99000000 -#define SPEAR300_SOC_CONFIG_SIZE 0x00000008 - -#define SPEAR300_KEYBOARD_BASE 0xA0000000 -#define SPEAR300_KEYBOARD_SIZE 0x09000000 - -#define SPEAR300_GPIO_BASE 0xA9000000 -#define SPEAR300_GPIO_SIZE 0x07000000 +#define SPEAR300_CLCD_BASE UL(0x60000000) +#define SPEAR300_SDHCI_BASE UL(0x70000000) +#define SPEAR300_NAND_0_BASE UL(0x80000000) +#define SPEAR300_NAND_1_BASE UL(0x84000000) +#define SPEAR300_NAND_2_BASE UL(0x88000000) +#define SPEAR300_NAND_3_BASE UL(0x8c000000) +#define SPEAR300_NOR_0_BASE UL(0x90000000) +#define SPEAR300_NOR_1_BASE UL(0x91000000) +#define SPEAR300_NOR_2_BASE UL(0x92000000) +#define SPEAR300_NOR_3_BASE UL(0x93000000) +#define SPEAR300_FSMC_BASE UL(0x94000000) +#define SPEAR300_SOC_CONFIG_BASE UL(0x99000000) +#define SPEAR300_KEYBOARD_BASE UL(0xA0000000) +#define SPEAR300_GPIO_BASE UL(0xA9000000) #endif /* __MACH_SPEAR300_H */ diff --git a/arch/arm/mach-spear3xx/include/mach/spear310.h b/arch/arm/mach-spear3xx/include/mach/spear310.h index b27bb8af3309..1e853479b8cd 100644 --- a/arch/arm/mach-spear3xx/include/mach/spear310.h +++ b/arch/arm/mach-spear3xx/include/mach/spear310.h @@ -16,30 +16,18 @@ #ifndef __MACH_SPEAR310_H #define __MACH_SPEAR310_H -#define SPEAR310_NAND_BASE 0x40000000 -#define SPEAR310_NAND_SIZE 0x04000000 +#define SPEAR310_NAND_BASE UL(0x40000000) +#define SPEAR310_FSMC_BASE UL(0x44000000) +#define SPEAR310_UART1_BASE UL(0xB2000000) +#define SPEAR310_UART2_BASE UL(0xB2080000) +#define SPEAR310_UART3_BASE UL(0xB2100000) +#define SPEAR310_UART4_BASE UL(0xB2180000) +#define SPEAR310_UART5_BASE UL(0xB2200000) +#define SPEAR310_HDLC_BASE UL(0xB2800000) +#define SPEAR310_RS485_0_BASE UL(0xB3000000) +#define SPEAR310_RS485_1_BASE UL(0xB3800000) +#define SPEAR310_SOC_CONFIG_BASE UL(0xB4000000) -#define SPEAR310_FSMC_BASE 0x44000000 -#define SPEAR310_FSMC_SIZE 0x01000000 - -#define SPEAR310_UART1_BASE 0xB2000000 -#define SPEAR310_UART2_BASE 0xB2080000 -#define SPEAR310_UART3_BASE 0xB2100000 -#define SPEAR310_UART4_BASE 0xB2180000 -#define SPEAR310_UART5_BASE 0xB2200000 -#define SPEAR310_UART_SIZE 0x00080000 - -#define SPEAR310_HDLC_BASE 0xB2800000 -#define SPEAR310_HDLC_SIZE 0x00800000 - -#define SPEAR310_RS485_0_BASE 0xB3000000 -#define SPEAR310_RS485_0_SIZE 0x00800000 - -#define SPEAR310_RS485_1_BASE 0xB3800000 -#define SPEAR310_RS485_1_SIZE 0x00800000 - -#define SPEAR310_SOC_CONFIG_BASE 0xB4000000 -#define SPEAR310_SOC_CONFIG_SIZE 0x00000070 /* Interrupt registers offsets and masks */ #define INT_STS_MASK_REG 0x04 #define SMII0_IRQ_MASK (1 << 0) diff --git a/arch/arm/mach-spear3xx/include/mach/spear320.h b/arch/arm/mach-spear3xx/include/mach/spear320.h index cacf17a958cd..940f0d85d959 100644 --- a/arch/arm/mach-spear3xx/include/mach/spear320.h +++ b/arch/arm/mach-spear3xx/include/mach/spear320.h @@ -16,54 +16,25 @@ #ifndef __MACH_SPEAR320_H #define __MACH_SPEAR320_H -#define SPEAR320_EMI_CTRL_BASE 0x40000000 -#define SPEAR320_EMI_CTRL_SIZE 0x08000000 +#define SPEAR320_EMI_CTRL_BASE UL(0x40000000) +#define SPEAR320_FSMC_BASE UL(0x4C000000) +#define SPEAR320_NAND_BASE UL(0x50000000) +#define SPEAR320_I2S_BASE UL(0x60000000) +#define SPEAR320_SDHCI_BASE UL(0x70000000) +#define SPEAR320_CLCD_BASE UL(0x90000000) +#define SPEAR320_PAR_PORT_BASE UL(0xA0000000) +#define SPEAR320_CAN0_BASE UL(0xA1000000) +#define SPEAR320_CAN1_BASE UL(0xA2000000) +#define SPEAR320_UART1_BASE UL(0xA3000000) +#define SPEAR320_UART2_BASE UL(0xA4000000) +#define SPEAR320_SSP0_BASE UL(0xA5000000) +#define SPEAR320_SSP1_BASE UL(0xA6000000) +#define SPEAR320_I2C_BASE UL(0xA7000000) +#define SPEAR320_PWM_BASE UL(0xA8000000) +#define SPEAR320_SMII0_BASE UL(0xAA000000) +#define SPEAR320_SMII1_BASE UL(0xAB000000) +#define SPEAR320_SOC_CONFIG_BASE UL(0xB3000000) -#define SPEAR320_FSMC_BASE 0x4C000000 -#define SPEAR320_FSMC_SIZE 0x01000000 - -#define SPEAR320_I2S_BASE 0x60000000 -#define SPEAR320_I2S_SIZE 0x10000000 - -#define SPEAR320_SDIO_BASE 0x70000000 -#define SPEAR320_SDIO_SIZE 0x10000000 - -#define SPEAR320_CLCD_BASE 0x90000000 -#define SPEAR320_CLCD_SIZE 0x10000000 - -#define SPEAR320_PAR_PORT_BASE 0xA0000000 -#define SPEAR320_PAR_PORT_SIZE 0x01000000 - -#define SPEAR320_CAN0_BASE 0xA1000000 -#define SPEAR320_CAN0_SIZE 0x01000000 - -#define SPEAR320_CAN1_BASE 0xA2000000 -#define SPEAR320_CAN1_SIZE 0x01000000 - -#define SPEAR320_UART1_BASE 0xA3000000 -#define SPEAR320_UART2_BASE 0xA4000000 -#define SPEAR320_UART_SIZE 0x01000000 - -#define SPEAR320_SSP0_BASE 0xA5000000 -#define SPEAR320_SSP0_SIZE 0x01000000 - -#define SPEAR320_SSP1_BASE 0xA6000000 -#define SPEAR320_SSP1_SIZE 0x01000000 - -#define SPEAR320_I2C_BASE 0xA7000000 -#define SPEAR320_I2C_SIZE 0x01000000 - -#define SPEAR320_PWM_BASE 0xA8000000 -#define SPEAR320_PWM_SIZE 0x01000000 - -#define SPEAR320_SMII0_BASE 0xAA000000 -#define SPEAR320_SMII0_SIZE 0x01000000 - -#define SPEAR320_SMII1_BASE 0xAB000000 -#define SPEAR320_SMII1_SIZE 0x01000000 - -#define SPEAR320_SOC_CONFIG_BASE 0xB4000000 -#define SPEAR320_SOC_CONFIG_SIZE 0x00000070 /* Interrupt registers offsets and masks */ #define INT_STS_MASK_REG 0x04 #define INT_CLR_MASK_REG 0x04 @@ -74,7 +45,7 @@ #define EMI_IRQ_MASK (1 << 7) #define CLCD_IRQ_MASK (1 << 8) #define SPP_IRQ_MASK (1 << 9) -#define SDIO_IRQ_MASK (1 << 10) +#define SDHCI_IRQ_MASK (1 << 10) #define CAN_U_IRQ_MASK (1 << 11) #define CAN_L_IRQ_MASK (1 << 12) #define UART1_IRQ_MASK (1 << 13) diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index 5aa2d54ebfaa..2697e65adf86 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c @@ -15,9 +15,9 @@ #include <linux/amba/pl061.h> #include <linux/ptrace.h> #include <asm/irq.h> -#include <mach/generic.h> -#include <mach/spear.h> #include <plat/shirq.h> +#include <mach/generic.h> +#include <mach/hardware.h> /* pad multiplexing support */ /* muxing registers */ @@ -310,7 +310,7 @@ struct pmx_dev pmx_telecom_boot_pins = { .enb_on_reset = 1, }; -struct pmx_dev_mode pmx_telecom_sdio_4bit_modes[] = { +struct pmx_dev_mode pmx_telecom_sdhci_4bit_modes[] = { { .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | @@ -323,14 +323,14 @@ struct pmx_dev_mode pmx_telecom_sdio_4bit_modes[] = { }, }; -struct pmx_dev pmx_telecom_sdio_4bit = { - .name = "telecom_sdio_4bit", - .modes = pmx_telecom_sdio_4bit_modes, - .mode_count = ARRAY_SIZE(pmx_telecom_sdio_4bit_modes), +struct pmx_dev pmx_telecom_sdhci_4bit = { + .name = "telecom_sdhci_4bit", + .modes = pmx_telecom_sdhci_4bit_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_4bit_modes), .enb_on_reset = 1, }; -struct pmx_dev_mode pmx_telecom_sdio_8bit_modes[] = { +struct pmx_dev_mode pmx_telecom_sdhci_8bit_modes[] = { { .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | @@ -342,10 +342,10 @@ struct pmx_dev_mode pmx_telecom_sdio_8bit_modes[] = { }, }; -struct pmx_dev pmx_telecom_sdio_8bit = { - .name = "telecom_sdio_8bit", - .modes = pmx_telecom_sdio_8bit_modes, - .mode_count = ARRAY_SIZE(pmx_telecom_sdio_8bit_modes), +struct pmx_dev pmx_telecom_sdhci_8bit = { + .name = "telecom_sdhci_8bit", + .modes = pmx_telecom_sdhci_8bit_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_8bit_modes), .enb_on_reset = 1, }; @@ -370,26 +370,6 @@ struct pmx_driver pmx_driver = { .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, }; -/* Add spear300 specific devices here */ -/* arm gpio1 device registration */ -static struct pl061_platform_data gpio1_plat_data = { - .gpio_base = 8, - .irq_base = SPEAR_GPIO1_INT_BASE, -}; - -struct amba_device gpio1_device = { - .dev = { - .init_name = "gpio1", - .platform_data = &gpio1_plat_data, - }, - .res = { - .start = SPEAR300_GPIO_BASE, - .end = SPEAR300_GPIO_BASE + SPEAR300_GPIO_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - .irq = {VIRQ_GPIO1, NO_IRQ}, -}; - /* spear3xx shared irq */ struct shirq_dev_config shirq_ras1_config[] = { { @@ -443,6 +423,26 @@ struct spear_shirq shirq_ras1 = { }, }; +/* Add spear300 specific devices here */ +/* arm gpio1 device registration */ +static struct pl061_platform_data gpio1_plat_data = { + .gpio_base = 8, + .irq_base = SPEAR_GPIO1_INT_BASE, +}; + +struct amba_device gpio1_device = { + .dev = { + .init_name = "gpio1", + .platform_data = &gpio1_plat_data, + }, + .res = { + .start = SPEAR300_GPIO_BASE, + .end = SPEAR300_GPIO_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + .irq = {VIRQ_GPIO1, NO_IRQ}, +}; + /* spear300 routines */ void __init spear300_init(void) { @@ -452,17 +452,21 @@ void __init spear300_init(void) spear3xx_init(); /* shared irq registration */ - shirq_ras1.regs.base = - ioremap(SPEAR300_TELECOM_BASE, SPEAR300_TELECOM_REG_SIZE); + shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K); if (shirq_ras1.regs.base) { ret = spear_shirq_register(&shirq_ras1); if (ret) printk(KERN_ERR "Error registering Shared IRQ\n"); } -} -void spear300_pmx_init(void) -{ - spear_pmx_init(&pmx_driver, SPEAR300_SOC_CONFIG_BASE, - SPEAR300_SOC_CONFIG_SIZE); + /* pmx initialization */ + pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K); + if (pmx_driver.base) { + ret = pmx_register(&pmx_driver); + if (ret) + printk(KERN_ERR "padmux: registeration failed. err no" + ": %d\n", ret); + /* Free Mapping, device selection already done */ + iounmap(pmx_driver.base); + } } diff --git a/arch/arm/mach-spear3xx/spear300_evb.c b/arch/arm/mach-spear3xx/spear300_evb.c index bb21db152a23..42d2253ef540 100644 --- a/arch/arm/mach-spear3xx/spear300_evb.c +++ b/arch/arm/mach-spear3xx/spear300_evb.c @@ -14,7 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> /* padmux devices to enable */ static struct pmx_dev *pmx_devs[] = { @@ -28,7 +28,7 @@ static struct pmx_dev *pmx_devs[] = { /* spear300 specific devices */ &pmx_fsmc_2_chips, &pmx_clcd, - &pmx_telecom_sdio_4bit, + &pmx_telecom_sdhci_4bit, &pmx_gpio1, }; @@ -51,14 +51,13 @@ static void __init spear300_evb_init(void) { unsigned int i; - /* call spear300 machine init function */ - spear300_init(); - - /* padmux initialization */ + /* padmux initialization, must be done before spear300_init */ pmx_driver.mode = &photo_frame_mode; pmx_driver.devs = pmx_devs; pmx_driver.devs_count = ARRAY_SIZE(pmx_devs); - spear300_pmx_init(); + + /* call spear300 machine init function */ + spear300_init(); /* Add Platform Devices */ platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs)); @@ -72,6 +71,6 @@ MACHINE_START(SPEAR300, "ST-SPEAR300-EVB") .boot_params = 0x00000100, .map_io = spear3xx_map_io, .init_irq = spear3xx_init_irq, - .timer = &spear_sys_timer, + .timer = &spear3xx_timer, .init_machine = spear300_evb_init, MACHINE_END diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c index 53b41b52d7ee..5c0a67b60c2a 100644 --- a/arch/arm/mach-spear3xx/spear310.c +++ b/arch/arm/mach-spear3xx/spear310.c @@ -13,9 +13,9 @@ #include <linux/ptrace.h> #include <asm/irq.h> -#include <mach/generic.h> -#include <mach/spear.h> #include <plat/shirq.h> +#include <mach/generic.h> +#include <mach/hardware.h> /* pad multiplexing support */ /* muxing registers */ @@ -139,8 +139,6 @@ struct pmx_driver pmx_driver = { .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, }; -/* Add spear310 specific devices here */ - /* spear3xx shared irq */ struct shirq_dev_config shirq_ras1_config[] = { { @@ -257,6 +255,8 @@ struct spear_shirq shirq_intrcomm_ras = { }, }; +/* Add spear310 specific devices here */ + /* spear310 routines */ void __init spear310_init(void) { @@ -267,7 +267,7 @@ void __init spear310_init(void) spear3xx_init(); /* shared irq registration */ - base = ioremap(SPEAR310_SOC_CONFIG_BASE, SPEAR310_SOC_CONFIG_SIZE); + base = ioremap(SPEAR310_SOC_CONFIG_BASE, SZ_4K); if (base) { /* shirq 1 */ shirq_ras1.regs.base = base; @@ -293,10 +293,11 @@ void __init spear310_init(void) if (ret) printk(KERN_ERR "Error registering Shared IRQ 4\n"); } -} -void spear310_pmx_init(void) -{ - spear_pmx_init(&pmx_driver, SPEAR310_SOC_CONFIG_BASE, - SPEAR310_SOC_CONFIG_SIZE); + /* pmx initialization */ + pmx_driver.base = base; + ret = pmx_register(&pmx_driver); + if (ret) + printk(KERN_ERR "padmux: registeration failed. err no: %d\n", + ret); } diff --git a/arch/arm/mach-spear3xx/spear310_evb.c b/arch/arm/mach-spear3xx/spear310_evb.c index 7facf6643199..2d7f333bd67b 100644 --- a/arch/arm/mach-spear3xx/spear310_evb.c +++ b/arch/arm/mach-spear3xx/spear310_evb.c @@ -14,7 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> /* padmux devices to enable */ static struct pmx_dev *pmx_devs[] = { @@ -58,14 +58,13 @@ static void __init spear310_evb_init(void) { unsigned int i; - /* call spear310 machine init function */ - spear310_init(); - - /* padmux initialization */ + /* padmux initialization, must be done before spear310_init */ pmx_driver.mode = NULL; pmx_driver.devs = pmx_devs; pmx_driver.devs_count = ARRAY_SIZE(pmx_devs); - spear310_pmx_init(); + + /* call spear310 machine init function */ + spear310_init(); /* Add Platform Devices */ platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs)); @@ -79,6 +78,6 @@ MACHINE_START(SPEAR310, "ST-SPEAR310-EVB") .boot_params = 0x00000100, .map_io = spear3xx_map_io, .init_irq = spear3xx_init_irq, - .timer = &spear_sys_timer, + .timer = &spear3xx_timer, .init_machine = spear310_evb_init, MACHINE_END diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c index 88b465284c36..741c1f414cbd 100644 --- a/arch/arm/mach-spear3xx/spear320.c +++ b/arch/arm/mach-spear3xx/spear320.c @@ -13,9 +13,9 @@ #include <linux/ptrace.h> #include <asm/irq.h> -#include <mach/generic.h> -#include <mach/spear.h> #include <plat/shirq.h> +#include <mach/generic.h> +#include <mach/hardware.h> /* pad multiplexing support */ /* muxing registers */ @@ -110,7 +110,7 @@ struct pmx_dev pmx_spp = { .enb_on_reset = 1, }; -struct pmx_dev_mode pmx_sdio_modes[] = { +struct pmx_dev_mode pmx_sdhci_modes[] = { { .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | SMALL_PRINTERS_MODE, @@ -118,10 +118,10 @@ struct pmx_dev_mode pmx_sdio_modes[] = { }, }; -struct pmx_dev pmx_sdio = { - .name = "sdio", - .modes = pmx_sdio_modes, - .mode_count = ARRAY_SIZE(pmx_sdio_modes), +struct pmx_dev pmx_sdhci = { + .name = "sdhci", + .modes = pmx_sdhci_modes, + .mode_count = ARRAY_SIZE(pmx_sdhci_modes), .enb_on_reset = 1, }; @@ -215,17 +215,17 @@ struct pmx_dev pmx_can = { .enb_on_reset = 1, }; -struct pmx_dev_mode pmx_sdio_led_modes[] = { +struct pmx_dev_mode pmx_sdhci_led_modes[] = { { .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, .mask = PMX_SSP_CS_MASK, }, }; -struct pmx_dev pmx_sdio_led = { - .name = "sdio_led", - .modes = pmx_sdio_led_modes, - .mode_count = ARRAY_SIZE(pmx_sdio_led_modes), +struct pmx_dev pmx_sdhci_led = { + .name = "sdhci_led", + .modes = pmx_sdhci_led_modes, + .mode_count = ARRAY_SIZE(pmx_sdhci_led_modes), .enb_on_reset = 1, }; @@ -384,8 +384,6 @@ struct pmx_driver pmx_driver = { .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, }; -/* Add spear320 specific devices here */ - /* spear3xx shared irq */ struct shirq_dev_config shirq_ras1_config[] = { { @@ -510,6 +508,8 @@ struct spear_shirq shirq_intrcomm_ras = { }, }; +/* Add spear320 specific devices here */ + /* spear320 routines */ void __init spear320_init(void) { @@ -520,7 +520,7 @@ void __init spear320_init(void) spear3xx_init(); /* shared irq registration */ - base = ioremap(SPEAR320_SOC_CONFIG_BASE, SPEAR320_SOC_CONFIG_SIZE); + base = ioremap(SPEAR320_SOC_CONFIG_BASE, SZ_4K); if (base) { /* shirq 1 */ shirq_ras1.regs.base = base; @@ -540,10 +540,11 @@ void __init spear320_init(void) if (ret) printk(KERN_ERR "Error registering Shared IRQ 4\n"); } -} -void spear320_pmx_init(void) -{ - spear_pmx_init(&pmx_driver, SPEAR320_SOC_CONFIG_BASE, - SPEAR320_SOC_CONFIG_SIZE); + /* pmx initialization */ + pmx_driver.base = base; + ret = pmx_register(&pmx_driver); + if (ret) + printk(KERN_ERR "padmux: registeration failed. err no: %d\n", + ret); } diff --git a/arch/arm/mach-spear3xx/spear320_evb.c b/arch/arm/mach-spear3xx/spear320_evb.c index 62ac685a4135..8213e4b66c14 100644 --- a/arch/arm/mach-spear3xx/spear320_evb.c +++ b/arch/arm/mach-spear3xx/spear320_evb.c @@ -14,7 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> /* padmux devices to enable */ static struct pmx_dev *pmx_devs[] = { @@ -26,7 +26,7 @@ static struct pmx_dev *pmx_devs[] = { /* spear320 specific devices */ &pmx_fsmc, - &pmx_sdio, + &pmx_sdhci, &pmx_i2s, &pmx_uart1, &pmx_uart2, @@ -55,14 +55,13 @@ static void __init spear320_evb_init(void) { unsigned int i; - /* call spear320 machine init function */ - spear320_init(); - - /* padmux initialization */ + /* padmux initialization, must be done before spear320_init */ pmx_driver.mode = &auto_net_mii_mode; pmx_driver.devs = pmx_devs; pmx_driver.devs_count = ARRAY_SIZE(pmx_devs); - spear320_pmx_init(); + + /* call spear320 machine init function */ + spear320_init(); /* Add Platform Devices */ platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs)); @@ -76,6 +75,6 @@ MACHINE_START(SPEAR320, "ST-SPEAR320-EVB") .boot_params = 0x00000100, .map_io = spear3xx_map_io, .init_irq = spear3xx_init_irq, - .timer = &spear_sys_timer, + .timer = &spear3xx_timer, .init_machine = spear320_evb_init, MACHINE_END diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index 52f553c8c46d..d3ba8ca1bc59 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c @@ -19,7 +19,7 @@ #include <asm/irq.h> #include <asm/mach/arch.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> /* Add spear3xx machines common devices here */ /* gpio device registration */ @@ -35,7 +35,7 @@ struct amba_device gpio_device = { }, .res = { .start = SPEAR3XX_ICM3_GPIO_BASE, - .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1, + .end = SPEAR3XX_ICM3_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_BASIC_GPIO, NO_IRQ}, @@ -48,7 +48,7 @@ struct amba_device uart_device = { }, .res = { .start = SPEAR3XX_ICM1_UART_BASE, - .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1, + .end = SPEAR3XX_ICM1_UART_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_UART, NO_IRQ}, @@ -71,22 +71,22 @@ struct map_desc spear3xx_io_desc[] __initdata = { { .virtual = VA_SPEAR3XX_ICM1_UART_BASE, .pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE), - .length = SPEAR3XX_ICM1_UART_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR3XX_ML1_VIC_BASE, .pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE), - .length = SPEAR3XX_ML1_VIC_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE, .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE), - .length = SPEAR3XX_ICM3_SYS_CTRL_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE, .pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE), - .length = SPEAR3XX_ICM3_MISC_REG_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, }; @@ -523,26 +523,35 @@ struct pmx_dev pmx_plgpio_45_46_49_50 = { .mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes), .enb_on_reset = 1, }; +#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */ -#endif - -/* spear padmux initialization function */ -void spear_pmx_init(struct pmx_driver *pmx_driver, uint base, uint size) +static void __init spear3xx_timer_init(void) { - int ret = 0; + char pclk_name[] = "pll3_48m_clk"; + struct clk *gpt_clk, *pclk; + + /* get the system timer clock */ + gpt_clk = clk_get_sys("gpt0", NULL); + if (IS_ERR(gpt_clk)) { + pr_err("%s:couldn't get clk for gpt\n", __func__); + BUG(); + } - /* pad mux initialization */ - pmx_driver->base = ioremap(base, size); - if (!pmx_driver->base) { - ret = -ENOMEM; - goto pmx_fail; + /* get the suitable parent clock for timer*/ + pclk = clk_get(NULL, pclk_name); + if (IS_ERR(pclk)) { + pr_err("%s:couldn't get %s as parent for gpt\n", + __func__, pclk_name); + BUG(); } - ret = pmx_register(pmx_driver); - iounmap(pmx_driver->base); + clk_set_parent(gpt_clk, pclk); + clk_put(gpt_clk); + clk_put(pclk); -pmx_fail: - if (ret) - printk(KERN_ERR "padmux: registration failed. err no: %d\n", - ret); + spear_setup_timer(); } + +struct sys_timer spear3xx_timer = { + .init = spear3xx_timer_init, +}; diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c index 36ff056b7321..88b748b5be80 100644 --- a/arch/arm/mach-spear6xx/clock.c +++ b/arch/arm/mach-spear6xx/clock.c @@ -13,8 +13,8 @@ #include <linux/init.h> #include <linux/kernel.h> -#include <mach/misc_regs.h> #include <plat/clock.h> +#include <mach/misc_regs.h> /* root clks */ /* 32 KHz oscillator clock */ @@ -39,18 +39,43 @@ static struct clk rtc_clk = { }; /* clock derived from 30 MHz osc clk */ +/* pll masks structure */ +static struct pll_clk_masks pll1_masks = { + .mode_mask = PLL_MODE_MASK, + .mode_shift = PLL_MODE_SHIFT, + .norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK, + .norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT, + .dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK, + .dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT, + .div_p_mask = PLL_DIV_P_MASK, + .div_p_shift = PLL_DIV_P_SHIFT, + .div_n_mask = PLL_DIV_N_MASK, + .div_n_shift = PLL_DIV_N_SHIFT, +}; + /* pll1 configuration structure */ static struct pll_clk_config pll1_config = { .mode_reg = PLL1_CTR, .cfg_reg = PLL1_FRQ, + .masks = &pll1_masks, +}; + +/* pll rate configuration table, in ascending order of rates */ +struct pll_rate_tbl pll_rtbl[] = { + {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */ + {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */ }; /* PLL1 clock */ static struct clk pll1_clk = { + .flags = ENABLED_ON_INIT, .pclk = &osc_30m_clk, .en_reg = PLL1_CTR, .en_reg_bit = PLL_ENABLE, - .recalc = &pll1_clk_recalc, + .calc_rate = &pll_calc_rate, + .recalc = &pll_clk_recalc, + .set_rate = &pll_clk_set_rate, + .rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1}, .private_data = &pll1_config, }; @@ -76,31 +101,83 @@ static struct clk cpu_clk = { .recalc = &follow_parent, }; +/* ahb masks structure */ +static struct bus_clk_masks ahb_masks = { + .mask = PLL_HCLK_RATIO_MASK, + .shift = PLL_HCLK_RATIO_SHIFT, +}; + /* ahb configuration structure */ static struct bus_clk_config ahb_config = { .reg = CORE_CLK_CFG, - .mask = PLL_HCLK_RATIO_MASK, - .shift = PLL_HCLK_RATIO_SHIFT, + .masks = &ahb_masks, +}; + +/* ahb rate configuration table, in ascending order of rates */ +struct bus_rate_tbl bus_rtbl[] = { + {.div = 3}, /* == parent divided by 4 */ + {.div = 2}, /* == parent divided by 3 */ + {.div = 1}, /* == parent divided by 2 */ + {.div = 0}, /* == parent divided by 1 */ }; /* ahb clock */ static struct clk ahb_clk = { .flags = ALWAYS_ENABLED, .pclk = &pll1_clk, + .calc_rate = &bus_calc_rate, .recalc = &bus_clk_recalc, + .set_rate = &bus_clk_set_rate, + .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, .private_data = &ahb_config, }; +/* auxiliary synthesizers masks */ +static struct aux_clk_masks aux_masks = { + .eq_sel_mask = AUX_EQ_SEL_MASK, + .eq_sel_shift = AUX_EQ_SEL_SHIFT, + .eq1_mask = AUX_EQ1_SEL, + .eq2_mask = AUX_EQ2_SEL, + .xscale_sel_mask = AUX_XSCALE_MASK, + .xscale_sel_shift = AUX_XSCALE_SHIFT, + .yscale_sel_mask = AUX_YSCALE_MASK, + .yscale_sel_shift = AUX_YSCALE_SHIFT, +}; + +/* uart configurations */ +static struct aux_clk_config uart_synth_config = { + .synth_reg = UART_CLK_SYNT, + .masks = &aux_masks, +}; + +/* aux rate configuration table, in ascending order of rates */ +struct aux_rate_tbl aux_rtbl[] = { + /* For PLL1 = 332 MHz */ + {.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */ + {.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */ + {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ +}; + +/* uart synth clock */ +static struct clk uart_synth_clk = { + .en_reg = UART_CLK_SYNT, + .en_reg_bit = AUX_SYNT_ENB, + .pclk = &pll1_clk, + .calc_rate = &aux_calc_rate, + .recalc = &aux_clk_recalc, + .set_rate = &aux_clk_set_rate, + .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, + .private_data = &uart_synth_config, +}; + /* uart parents */ static struct pclk_info uart_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &uart_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; @@ -112,19 +189,13 @@ static struct pclk_sel uart_pclk_sel = { .pclk_sel_mask = UART_CLK_MASK, }; -/* uart configurations */ -static struct aux_clk_config uart_config = { - .synth_reg = UART_CLK_SYNT, -}; - /* uart0 clock */ static struct clk uart0_clk = { .en_reg = PERIP1_CLK_ENB, .en_reg_bit = UART0_CLK_ENB, .pclk_sel = &uart_pclk_sel, .pclk_sel_shift = UART_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &uart_config, + .recalc = &follow_parent, }; /* uart1 clock */ @@ -133,25 +204,35 @@ static struct clk uart1_clk = { .en_reg_bit = UART1_CLK_ENB, .pclk_sel = &uart_pclk_sel, .pclk_sel_shift = UART_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &uart_config, + .recalc = &follow_parent, }; /* firda configurations */ -static struct aux_clk_config firda_config = { +static struct aux_clk_config firda_synth_config = { .synth_reg = FIRDA_CLK_SYNT, + .masks = &aux_masks, +}; + +/* firda synth clock */ +static struct clk firda_synth_clk = { + .en_reg = FIRDA_CLK_SYNT, + .en_reg_bit = AUX_SYNT_ENB, + .pclk = &pll1_clk, + .calc_rate = &aux_calc_rate, + .recalc = &aux_clk_recalc, + .set_rate = &aux_clk_set_rate, + .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, + .private_data = &firda_synth_config, }; /* firda parents */ static struct pclk_info firda_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &firda_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; @@ -169,25 +250,35 @@ static struct clk firda_clk = { .en_reg_bit = FIRDA_CLK_ENB, .pclk_sel = &firda_pclk_sel, .pclk_sel_shift = FIRDA_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &firda_config, + .recalc = &follow_parent, }; /* clcd configurations */ -static struct aux_clk_config clcd_config = { +static struct aux_clk_config clcd_synth_config = { .synth_reg = CLCD_CLK_SYNT, + .masks = &aux_masks, +}; + +/* firda synth clock */ +static struct clk clcd_synth_clk = { + .en_reg = CLCD_CLK_SYNT, + .en_reg_bit = AUX_SYNT_ENB, + .pclk = &pll1_clk, + .calc_rate = &aux_calc_rate, + .recalc = &aux_clk_recalc, + .set_rate = &aux_clk_set_rate, + .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, + .private_data = &clcd_synth_config, }; /* clcd parents */ static struct pclk_info clcd_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &clcd_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; @@ -205,82 +296,173 @@ static struct clk clcd_clk = { .en_reg_bit = CLCD_CLK_ENB, .pclk_sel = &clcd_pclk_sel, .pclk_sel_shift = CLCD_CLK_SHIFT, - .recalc = &aux_clk_recalc, - .private_data = &clcd_config, + .recalc = &follow_parent, +}; + +/* gpt synthesizer masks */ +static struct gpt_clk_masks gpt_masks = { + .mscale_sel_mask = GPT_MSCALE_MASK, + .mscale_sel_shift = GPT_MSCALE_SHIFT, + .nscale_sel_mask = GPT_NSCALE_MASK, + .nscale_sel_shift = GPT_NSCALE_SHIFT, +}; + +/* gpt rate configuration table, in ascending order of rates */ +struct gpt_rate_tbl gpt_rtbl[] = { + /* For pll1 = 332 MHz */ + {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ + {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ + {.mscale = 1, .nscale = 0}, /* 83 MHz */ +}; + +/* gpt0 synth clk config*/ +static struct gpt_clk_config gpt0_synth_config = { + .synth_reg = PRSC1_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt synth clock */ +static struct clk gpt0_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt0_synth_config, }; /* gpt parents */ -static struct pclk_info gpt_pclk_info[] = { +static struct pclk_info gpt0_pclk_info[] = { { - .pclk = &pll1_clk, - .pclk_mask = AUX_CLK_PLL1_MASK, - .scalable = 1, + .pclk = &gpt0_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, }, { .pclk = &pll3_48m_clk, - .pclk_mask = AUX_CLK_PLL3_MASK, - .scalable = 0, + .pclk_val = AUX_CLK_PLL3_VAL, }, }; /* gpt parent select structure */ -static struct pclk_sel gpt_pclk_sel = { - .pclk_info = gpt_pclk_info, - .pclk_count = ARRAY_SIZE(gpt_pclk_info), +static struct pclk_sel gpt0_pclk_sel = { + .pclk_info = gpt0_pclk_info, + .pclk_count = ARRAY_SIZE(gpt0_pclk_info), .pclk_sel_reg = PERIP_CLK_CFG, .pclk_sel_mask = GPT_CLK_MASK, }; -/* gpt0_1 configurations */ -static struct aux_clk_config gpt0_1_config = { - .synth_reg = PRSC1_CLK_CFG, -}; - /* gpt0 ARM1 subsystem timer clock */ static struct clk gpt0_clk = { .flags = ALWAYS_ENABLED, - .pclk_sel = &gpt_pclk_sel, + .pclk_sel = &gpt0_pclk_sel, .pclk_sel_shift = GPT0_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt0_1_config, + .recalc = &follow_parent, +}; + + +/* Note: gpt0 and gpt1 share same parent clocks */ +/* gpt parent select structure */ +static struct pclk_sel gpt1_pclk_sel = { + .pclk_info = gpt0_pclk_info, + .pclk_count = ARRAY_SIZE(gpt0_pclk_info), + .pclk_sel_reg = PERIP_CLK_CFG, + .pclk_sel_mask = GPT_CLK_MASK, }; /* gpt1 timer clock */ static struct clk gpt1_clk = { .flags = ALWAYS_ENABLED, - .pclk_sel = &gpt_pclk_sel, + .pclk_sel = &gpt1_pclk_sel, .pclk_sel_shift = GPT1_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt0_1_config, + .recalc = &follow_parent, }; -/* gpt2 configurations */ -static struct aux_clk_config gpt2_config = { +/* gpt2 synth clk config*/ +static struct gpt_clk_config gpt2_synth_config = { .synth_reg = PRSC2_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt synth clock */ +static struct clk gpt2_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt2_synth_config, +}; + +/* gpt parents */ +static struct pclk_info gpt2_pclk_info[] = { + { + .pclk = &gpt2_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, + }, { + .pclk = &pll3_48m_clk, + .pclk_val = AUX_CLK_PLL3_VAL, + }, +}; + +/* gpt parent select structure */ +static struct pclk_sel gpt2_pclk_sel = { + .pclk_info = gpt2_pclk_info, + .pclk_count = ARRAY_SIZE(gpt2_pclk_info), + .pclk_sel_reg = PERIP_CLK_CFG, + .pclk_sel_mask = GPT_CLK_MASK, }; /* gpt2 timer clock */ static struct clk gpt2_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GPT2_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, + .flags = ALWAYS_ENABLED, + .pclk_sel = &gpt2_pclk_sel, .pclk_sel_shift = GPT2_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt2_config, + .recalc = &follow_parent, }; -/* gpt3 configurations */ -static struct aux_clk_config gpt3_config = { +/* gpt3 synth clk config*/ +static struct gpt_clk_config gpt3_synth_config = { .synth_reg = PRSC3_CLK_CFG, + .masks = &gpt_masks, +}; + +/* gpt synth clock */ +static struct clk gpt3_synth_clk = { + .flags = ALWAYS_ENABLED, + .pclk = &pll1_clk, + .calc_rate = &gpt_calc_rate, + .recalc = &gpt_clk_recalc, + .set_rate = &gpt_clk_set_rate, + .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, + .private_data = &gpt3_synth_config, +}; + +/* gpt parents */ +static struct pclk_info gpt3_pclk_info[] = { + { + .pclk = &gpt3_synth_clk, + .pclk_val = AUX_CLK_PLL1_VAL, + }, { + .pclk = &pll3_48m_clk, + .pclk_val = AUX_CLK_PLL3_VAL, + }, +}; + +/* gpt parent select structure */ +static struct pclk_sel gpt3_pclk_sel = { + .pclk_info = gpt3_pclk_info, + .pclk_count = ARRAY_SIZE(gpt3_pclk_info), + .pclk_sel_reg = PERIP_CLK_CFG, + .pclk_sel_mask = GPT_CLK_MASK, }; /* gpt3 timer clock */ static struct clk gpt3_clk = { - .en_reg = PERIP1_CLK_ENB, - .en_reg_bit = GPT3_CLK_ENB, - .pclk_sel = &gpt_pclk_sel, + .flags = ALWAYS_ENABLED, + .pclk_sel = &gpt3_pclk_sel, .pclk_sel_shift = GPT3_CLK_SHIFT, - .recalc = &gpt_clk_recalc, - .private_data = &gpt3_config, + .recalc = &follow_parent, }; /* clock derived from pll3 clk */ @@ -309,18 +491,26 @@ static struct clk usbd_clk = { }; /* clock derived from ahb clk */ +/* apb masks structure */ +static struct bus_clk_masks apb_masks = { + .mask = HCLK_PCLK_RATIO_MASK, + .shift = HCLK_PCLK_RATIO_SHIFT, +}; + /* apb configuration structure */ static struct bus_clk_config apb_config = { .reg = CORE_CLK_CFG, - .mask = HCLK_PCLK_RATIO_MASK, - .shift = HCLK_PCLK_RATIO_SHIFT, + .masks = &apb_masks, }; /* apb clock */ static struct clk apb_clk = { .flags = ALWAYS_ENABLED, .pclk = &ahb_clk, + .calc_rate = &bus_calc_rate, .recalc = &bus_clk_recalc, + .set_rate = &bus_clk_set_rate, + .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, .private_data = &apb_config, }; @@ -432,12 +622,12 @@ static struct clk dummy_apb_pclk; /* array of all spear 6xx clock lookups */ static struct clk_lookup spear_clk_lookups[] = { - { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, + { .con_id = "apb_pclk", .clk = &dummy_apb_pclk}, /* root clks */ { .con_id = "osc_32k_clk", .clk = &osc_32k_clk}, { .con_id = "osc_30m_clk", .clk = &osc_30m_clk}, /* clock derived from 32 KHz os clk */ - { .dev_id = "rtc", .clk = &rtc_clk}, + { .dev_id = "rtc-spear", .clk = &rtc_clk}, /* clock derived from 30 MHz os clk */ { .con_id = "pll1_clk", .clk = &pll1_clk}, { .con_id = "pll3_48m_clk", .clk = &pll3_48m_clk}, @@ -445,6 +635,12 @@ static struct clk_lookup spear_clk_lookups[] = { /* clock derived from pll1 clk */ { .con_id = "cpu_clk", .clk = &cpu_clk}, { .con_id = "ahb_clk", .clk = &ahb_clk}, + { .con_id = "uart_synth_clk", .clk = &uart_synth_clk}, + { .con_id = "firda_synth_clk", .clk = &firda_synth_clk}, + { .con_id = "clcd_synth_clk", .clk = &clcd_synth_clk}, + { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk}, + { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk}, + { .con_id = "gpt3_synth_clk", .clk = &gpt3_synth_clk}, { .dev_id = "uart0", .clk = &uart0_clk}, { .dev_id = "uart1", .clk = &uart1_clk}, { .dev_id = "firda", .clk = &firda_clk}, @@ -454,22 +650,22 @@ static struct clk_lookup spear_clk_lookups[] = { { .dev_id = "gpt2", .clk = &gpt2_clk}, { .dev_id = "gpt3", .clk = &gpt3_clk}, /* clock derived from pll3 clk */ - { .dev_id = "usbh0", .clk = &usbh0_clk}, - { .dev_id = "usbh1", .clk = &usbh1_clk}, - { .dev_id = "usbd", .clk = &usbd_clk}, + { .dev_id = "designware_udc", .clk = &usbd_clk}, + { .con_id = "usbh.0_clk", .clk = &usbh0_clk}, + { .con_id = "usbh.1_clk", .clk = &usbh1_clk}, /* clock derived from ahb clk */ { .con_id = "apb_clk", .clk = &apb_clk}, - { .dev_id = "i2c", .clk = &i2c_clk}, + { .dev_id = "i2c_designware.0", .clk = &i2c_clk}, { .dev_id = "dma", .clk = &dma_clk}, { .dev_id = "jpeg", .clk = &jpeg_clk}, { .dev_id = "gmac", .clk = &gmac_clk}, { .dev_id = "smi", .clk = &smi_clk}, - { .dev_id = "fsmc", .clk = &fsmc_clk}, + { .con_id = "fsmc", .clk = &fsmc_clk}, /* clock derived from apb clk */ { .dev_id = "adc", .clk = &adc_clk}, - { .dev_id = "ssp0", .clk = &ssp0_clk}, - { .dev_id = "ssp1", .clk = &ssp1_clk}, - { .dev_id = "ssp2", .clk = &ssp2_clk}, + { .dev_id = "ssp-pl022.0", .clk = &ssp0_clk}, + { .dev_id = "ssp-pl022.1", .clk = &ssp1_clk}, + { .dev_id = "ssp-pl022.2", .clk = &ssp2_clk}, { .dev_id = "gpio0", .clk = &gpio0_clk}, { .dev_id = "gpio1", .clk = &gpio1_clk}, { .dev_id = "gpio2", .clk = &gpio2_clk}, diff --git a/arch/arm/mach-spear6xx/include/mach/entry-macro.S b/arch/arm/mach-spear6xx/include/mach/entry-macro.S index 9eaecaeafcf0..8a0b0ed7b203 100644 --- a/arch/arm/mach-spear6xx/include/mach/entry-macro.S +++ b/arch/arm/mach-spear6xx/include/mach/entry-macro.S @@ -11,9 +11,8 @@ * warranty of any kind, whether express or implied. */ -#include <mach/hardware.h> -#include <mach/spear.h> #include <asm/hardware/vic.h> +#include <mach/hardware.h> .macro disable_fiq .endm diff --git a/arch/arm/mach-spear6xx/include/mach/generic.h b/arch/arm/mach-spear6xx/include/mach/generic.h index 16205a538756..94cf4a648b57 100644 --- a/arch/arm/mach-spear6xx/include/mach/generic.h +++ b/arch/arm/mach-spear6xx/include/mach/generic.h @@ -14,11 +14,11 @@ #ifndef __MACH_GENERIC_H #define __MACH_GENERIC_H -#include <asm/mach/time.h> -#include <asm/mach/map.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/amba/bus.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> /* * Each GPT has 2 timer channels @@ -31,9 +31,10 @@ /* Add spear6xx family device structure declarations here */ extern struct amba_device gpio_device[]; extern struct amba_device uart_device[]; -extern struct sys_timer spear_sys_timer; +extern struct sys_timer spear6xx_timer; /* Add spear6xx family function declarations here */ +void __init spear_setup_timer(void); void __init spear6xx_map_io(void); void __init spear6xx_init_irq(void); void __init spear6xx_init(void); diff --git a/arch/arm/mach-spear6xx/include/mach/hardware.h b/arch/arm/mach-spear6xx/include/mach/hardware.h index 7545116deca9..0b3f96ae2848 100644 --- a/arch/arm/mach-spear6xx/include/mach/hardware.h +++ b/arch/arm/mach-spear6xx/include/mach/hardware.h @@ -14,8 +14,10 @@ #ifndef __MACH_HARDWARE_H #define __MACH_HARDWARE_H +#include <plat/hardware.h> +#include <mach/spear.h> + /* Vitual to physical translation of statically mapped space */ #define IO_ADDRESS(x) (x | 0xF0000000) #endif /* __MACH_HARDWARE_H */ - diff --git a/arch/arm/mach-spear6xx/include/mach/misc_regs.h b/arch/arm/mach-spear6xx/include/mach/misc_regs.h index 03908036b0d0..68c20a007b0d 100644 --- a/arch/arm/mach-spear6xx/include/mach/misc_regs.h +++ b/arch/arm/mach-spear6xx/include/mach/misc_regs.h @@ -14,16 +14,16 @@ #ifndef __MACH_MISC_REGS_H #define __MACH_MISC_REGS_H -#include <mach/spear.h> +#include <mach/hardware.h> -#define MISC_BASE VA_SPEAR6XX_ICM3_MISC_REG_BASE +#define MISC_BASE IOMEM(VA_SPEAR6XX_ICM3_MISC_REG_BASE) -#define SOC_CFG_CTR ((unsigned int *)(MISC_BASE + 0x000)) -#define DIAG_CFG_CTR ((unsigned int *)(MISC_BASE + 0x004)) -#define PLL1_CTR ((unsigned int *)(MISC_BASE + 0x008)) -#define PLL1_FRQ ((unsigned int *)(MISC_BASE + 0x00C)) -#define PLL1_MOD ((unsigned int *)(MISC_BASE + 0x010)) -#define PLL2_CTR ((unsigned int *)(MISC_BASE + 0x014)) +#define SOC_CFG_CTR (MISC_BASE + 0x000) +#define DIAG_CFG_CTR (MISC_BASE + 0x004) +#define PLL1_CTR (MISC_BASE + 0x008) +#define PLL1_FRQ (MISC_BASE + 0x00C) +#define PLL1_MOD (MISC_BASE + 0x010) +#define PLL2_CTR (MISC_BASE + 0x014) /* PLL_CTR register masks */ #define PLL_ENABLE 2 #define PLL_MODE_SHIFT 4 @@ -33,7 +33,7 @@ #define PLL_MODE_DITH_DSB 2 #define PLL_MODE_DITH_SSB 3 -#define PLL2_FRQ ((unsigned int *)(MISC_BASE + 0x018)) +#define PLL2_FRQ (MISC_BASE + 0x018) /* PLL FRQ register masks */ #define PLL_DIV_N_SHIFT 0 #define PLL_DIV_N_MASK 0xFF @@ -44,16 +44,16 @@ #define PLL_DITH_FDBK_M_SHIFT 16 #define PLL_DITH_FDBK_M_MASK 0xFFFF -#define PLL2_MOD ((unsigned int *)(MISC_BASE + 0x01C)) -#define PLL_CLK_CFG ((unsigned int *)(MISC_BASE + 0x020)) -#define CORE_CLK_CFG ((unsigned int *)(MISC_BASE + 0x024)) +#define PLL2_MOD (MISC_BASE + 0x01C) +#define PLL_CLK_CFG (MISC_BASE + 0x020) +#define CORE_CLK_CFG (MISC_BASE + 0x024) /* CORE CLK CFG register masks */ #define PLL_HCLK_RATIO_SHIFT 10 #define PLL_HCLK_RATIO_MASK 0x3 #define HCLK_PCLK_RATIO_SHIFT 8 #define HCLK_PCLK_RATIO_MASK 0x3 -#define PERIP_CLK_CFG ((unsigned int *)(MISC_BASE + 0x028)) +#define PERIP_CLK_CFG (MISC_BASE + 0x028) /* PERIP_CLK_CFG register masks */ #define CLCD_CLK_SHIFT 2 #define CLCD_CLK_MASK 0x3 @@ -66,10 +66,10 @@ #define GPT2_CLK_SHIFT 11 #define GPT3_CLK_SHIFT 12 #define GPT_CLK_MASK 0x1 -#define AUX_CLK_PLL3_MASK 0 -#define AUX_CLK_PLL1_MASK 1 +#define AUX_CLK_PLL3_VAL 0 +#define AUX_CLK_PLL1_VAL 1 -#define PERIP1_CLK_ENB ((unsigned int *)(MISC_BASE + 0x02C)) +#define PERIP1_CLK_ENB (MISC_BASE + 0x02C) /* PERIP1_CLK_ENB register masks */ #define UART0_CLK_ENB 3 #define UART1_CLK_ENB 4 @@ -95,34 +95,35 @@ #define USBH0_CLK_ENB 25 #define USBH1_CLK_ENB 26 -#define SOC_CORE_ID ((unsigned int *)(MISC_BASE + 0x030)) -#define RAS_CLK_ENB ((unsigned int *)(MISC_BASE + 0x034)) -#define PERIP1_SOF_RST ((unsigned int *)(MISC_BASE + 0x038)) +#define SOC_CORE_ID (MISC_BASE + 0x030) +#define RAS_CLK_ENB (MISC_BASE + 0x034) +#define PERIP1_SOF_RST (MISC_BASE + 0x038) /* PERIP1_SOF_RST register masks */ #define JPEG_SOF_RST 8 -#define SOC_USER_ID ((unsigned int *)(MISC_BASE + 0x03C)) -#define RAS_SOF_RST ((unsigned int *)(MISC_BASE + 0x040)) -#define PRSC1_CLK_CFG ((unsigned int *)(MISC_BASE + 0x044)) -#define PRSC2_CLK_CFG ((unsigned int *)(MISC_BASE + 0x048)) -#define PRSC3_CLK_CFG ((unsigned int *)(MISC_BASE + 0x04C)) +#define SOC_USER_ID (MISC_BASE + 0x03C) +#define RAS_SOF_RST (MISC_BASE + 0x040) +#define PRSC1_CLK_CFG (MISC_BASE + 0x044) +#define PRSC2_CLK_CFG (MISC_BASE + 0x048) +#define PRSC3_CLK_CFG (MISC_BASE + 0x04C) /* gpt synthesizer register masks */ #define GPT_MSCALE_SHIFT 0 #define GPT_MSCALE_MASK 0xFFF #define GPT_NSCALE_SHIFT 12 #define GPT_NSCALE_MASK 0xF -#define AMEM_CLK_CFG ((unsigned int *)(MISC_BASE + 0x050)) -#define EXPI_CLK_CFG ((unsigned int *)(MISC_BASE + 0x054)) -#define CLCD_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x05C)) -#define FIRDA_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x060)) -#define UART_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x064)) -#define GMAC_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x068)) -#define RAS1_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x06C)) -#define RAS2_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x070)) -#define RAS3_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x074)) -#define RAS4_CLK_SYNT ((unsigned int *)(MISC_BASE + 0x078)) +#define AMEM_CLK_CFG (MISC_BASE + 0x050) +#define EXPI_CLK_CFG (MISC_BASE + 0x054) +#define CLCD_CLK_SYNT (MISC_BASE + 0x05C) +#define FIRDA_CLK_SYNT (MISC_BASE + 0x060) +#define UART_CLK_SYNT (MISC_BASE + 0x064) +#define GMAC_CLK_SYNT (MISC_BASE + 0x068) +#define RAS1_CLK_SYNT (MISC_BASE + 0x06C) +#define RAS2_CLK_SYNT (MISC_BASE + 0x070) +#define RAS3_CLK_SYNT (MISC_BASE + 0x074) +#define RAS4_CLK_SYNT (MISC_BASE + 0x078) /* aux clk synthesiser register masks for irda to ras4 */ +#define AUX_SYNT_ENB 31 #define AUX_EQ_SEL_SHIFT 30 #define AUX_EQ_SEL_MASK 1 #define AUX_EQ1_SEL 0 @@ -132,42 +133,42 @@ #define AUX_YSCALE_SHIFT 0 #define AUX_YSCALE_MASK 0xFFF -#define ICM1_ARB_CFG ((unsigned int *)(MISC_BASE + 0x07C)) -#define ICM2_ARB_CFG ((unsigned int *)(MISC_BASE + 0x080)) -#define ICM3_ARB_CFG ((unsigned int *)(MISC_BASE + 0x084)) -#define ICM4_ARB_CFG ((unsigned int *)(MISC_BASE + 0x088)) -#define ICM5_ARB_CFG ((unsigned int *)(MISC_BASE + 0x08C)) -#define ICM6_ARB_CFG ((unsigned int *)(MISC_BASE + 0x090)) -#define ICM7_ARB_CFG ((unsigned int *)(MISC_BASE + 0x094)) -#define ICM8_ARB_CFG ((unsigned int *)(MISC_BASE + 0x098)) -#define ICM9_ARB_CFG ((unsigned int *)(MISC_BASE + 0x09C)) -#define DMA_CHN_CFG ((unsigned int *)(MISC_BASE + 0x0A0)) -#define USB2_PHY_CFG ((unsigned int *)(MISC_BASE + 0x0A4)) -#define GMAC_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0A8)) -#define EXPI_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0AC)) -#define PRC1_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C0)) -#define PRC2_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C4)) -#define PRC3_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0C8)) -#define PRC4_LOCK_CTR ((unsigned int *)(MISC_BASE + 0x0CC)) -#define PRC1_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D0)) -#define PRC2_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D4)) -#define PRC3_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0D8)) -#define PRC4_IRQ_CTR ((unsigned int *)(MISC_BASE + 0x0DC)) -#define PWRDOWN_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0E0)) -#define COMPSSTL_1V8_CFG ((unsigned int *)(MISC_BASE + 0x0E4)) -#define COMPSSTL_2V5_CFG ((unsigned int *)(MISC_BASE + 0x0E8)) -#define COMPCOR_3V3_CFG ((unsigned int *)(MISC_BASE + 0x0EC)) -#define SSTLPAD_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F0)) -#define BIST1_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F4)) -#define BIST2_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0F8)) -#define BIST3_CFG_CTR ((unsigned int *)(MISC_BASE + 0x0FC)) -#define BIST4_CFG_CTR ((unsigned int *)(MISC_BASE + 0x100)) -#define BIST5_CFG_CTR ((unsigned int *)(MISC_BASE + 0x104)) -#define BIST1_STS_RES ((unsigned int *)(MISC_BASE + 0x108)) -#define BIST2_STS_RES ((unsigned int *)(MISC_BASE + 0x10C)) -#define BIST3_STS_RES ((unsigned int *)(MISC_BASE + 0x110)) -#define BIST4_STS_RES ((unsigned int *)(MISC_BASE + 0x114)) -#define BIST5_STS_RES ((unsigned int *)(MISC_BASE + 0x118)) -#define SYSERR_CFG_CTR ((unsigned int *)(MISC_BASE + 0x11C)) +#define ICM1_ARB_CFG (MISC_BASE + 0x07C) +#define ICM2_ARB_CFG (MISC_BASE + 0x080) +#define ICM3_ARB_CFG (MISC_BASE + 0x084) +#define ICM4_ARB_CFG (MISC_BASE + 0x088) +#define ICM5_ARB_CFG (MISC_BASE + 0x08C) +#define ICM6_ARB_CFG (MISC_BASE + 0x090) +#define ICM7_ARB_CFG (MISC_BASE + 0x094) +#define ICM8_ARB_CFG (MISC_BASE + 0x098) +#define ICM9_ARB_CFG (MISC_BASE + 0x09C) +#define DMA_CHN_CFG (MISC_BASE + 0x0A0) +#define USB2_PHY_CFG (MISC_BASE + 0x0A4) +#define GMAC_CFG_CTR (MISC_BASE + 0x0A8) +#define EXPI_CFG_CTR (MISC_BASE + 0x0AC) +#define PRC1_LOCK_CTR (MISC_BASE + 0x0C0) +#define PRC2_LOCK_CTR (MISC_BASE + 0x0C4) +#define PRC3_LOCK_CTR (MISC_BASE + 0x0C8) +#define PRC4_LOCK_CTR (MISC_BASE + 0x0CC) +#define PRC1_IRQ_CTR (MISC_BASE + 0x0D0) +#define PRC2_IRQ_CTR (MISC_BASE + 0x0D4) +#define PRC3_IRQ_CTR (MISC_BASE + 0x0D8) +#define PRC4_IRQ_CTR (MISC_BASE + 0x0DC) +#define PWRDOWN_CFG_CTR (MISC_BASE + 0x0E0) +#define COMPSSTL_1V8_CFG (MISC_BASE + 0x0E4) +#define COMPSSTL_2V5_CFG (MISC_BASE + 0x0E8) +#define COMPCOR_3V3_CFG (MISC_BASE + 0x0EC) +#define SSTLPAD_CFG_CTR (MISC_BASE + 0x0F0) +#define BIST1_CFG_CTR (MISC_BASE + 0x0F4) +#define BIST2_CFG_CTR (MISC_BASE + 0x0F8) +#define BIST3_CFG_CTR (MISC_BASE + 0x0FC) +#define BIST4_CFG_CTR (MISC_BASE + 0x100) +#define BIST5_CFG_CTR (MISC_BASE + 0x104) +#define BIST1_STS_RES (MISC_BASE + 0x108) +#define BIST2_STS_RES (MISC_BASE + 0x10C) +#define BIST3_STS_RES (MISC_BASE + 0x110) +#define BIST4_STS_RES (MISC_BASE + 0x114) +#define BIST5_STS_RES (MISC_BASE + 0x118) +#define SYSERR_CFG_CTR (MISC_BASE + 0x11C) #endif /* __MACH_MISC_REGS_H */ diff --git a/arch/arm/mach-spear6xx/include/mach/spear.h b/arch/arm/mach-spear6xx/include/mach/spear.h index a835f5b6b182..7fd621532def 100644 --- a/arch/arm/mach-spear6xx/include/mach/spear.h +++ b/arch/arm/mach-spear6xx/include/mach/spear.h @@ -14,153 +14,70 @@ #ifndef __MACH_SPEAR6XX_H #define __MACH_SPEAR6XX_H -#include <mach/hardware.h> +#include <asm/memory.h> #include <mach/spear600.h> -#define SPEAR6XX_ML_SDRAM_BASE 0x00000000 -#define SPEAR6XX_ML_SDRAM_SIZE 0x40000000 - +#define SPEAR6XX_ML_SDRAM_BASE UL(0x00000000) /* ICM1 - Low speed connection */ -#define SPEAR6XX_ICM1_BASE 0xD0000000 -#define SPEAR6XX_ICM1_SIZE 0x08000000 +#define SPEAR6XX_ICM1_BASE UL(0xD0000000) -#define SPEAR6XX_ICM1_UART0_BASE 0xD0000000 +#define SPEAR6XX_ICM1_UART0_BASE UL(0xD0000000) #define VA_SPEAR6XX_ICM1_UART0_BASE IO_ADDRESS(SPEAR6XX_ICM1_UART0_BASE) -#define SPEAR6XX_ICM1_UART0_SIZE 0x00080000 - -#define SPEAR6XX_ICM1_UART1_BASE 0xD0080000 -#define SPEAR6XX_ICM1_UART1_SIZE 0x00080000 - -#define SPEAR6XX_ICM1_SSP0_BASE 0xD0100000 -#define SPEAR6XX_ICM1_SSP0_SIZE 0x00080000 - -#define SPEAR6XX_ICM1_SSP1_BASE 0xD0180000 -#define SPEAR6XX_ICM1_SSP1_SIZE 0x00080000 - -#define SPEAR6XX_ICM1_I2C_BASE 0xD0200000 -#define SPEAR6XX_ICM1_I2C_SIZE 0x00080000 -#define SPEAR6XX_ICM1_JPEG_BASE 0xD0800000 -#define SPEAR6XX_ICM1_JPEG_SIZE 0x00800000 - -#define SPEAR6XX_ICM1_IRDA_BASE 0xD1000000 -#define SPEAR6XX_ICM1_IRDA_SIZE 0x00800000 - -#define SPEAR6XX_ICM1_FSMC_BASE 0xD1800000 -#define SPEAR6XX_ICM1_FSMC_SIZE 0x00800000 - -#define SPEAR6XX_ICM1_NAND_BASE 0xD2000000 -#define SPEAR6XX_ICM1_NAND_SIZE 0x00800000 - -#define SPEAR6XX_ICM1_SRAM_BASE 0xD2800000 -#define SPEAR6XX_ICM1_SRAM_SIZE 0x00800000 +#define SPEAR6XX_ICM1_UART1_BASE UL(0xD0080000) +#define SPEAR6XX_ICM1_SSP0_BASE UL(0xD0100000) +#define SPEAR6XX_ICM1_SSP1_BASE UL(0xD0180000) +#define SPEAR6XX_ICM1_I2C_BASE UL(0xD0200000) +#define SPEAR6XX_ICM1_JPEG_BASE UL(0xD0800000) +#define SPEAR6XX_ICM1_IRDA_BASE UL(0xD1000000) +#define SPEAR6XX_ICM1_FSMC_BASE UL(0xD1800000) +#define SPEAR6XX_ICM1_NAND_BASE UL(0xD2000000) +#define SPEAR6XX_ICM1_SRAM_BASE UL(0xD2800000) /* ICM2 - Application Subsystem */ -#define SPEAR6XX_ICM2_BASE 0xD8000000 -#define SPEAR6XX_ICM2_SIZE 0x08000000 - -#define SPEAR6XX_ICM2_TMR0_BASE 0xD8000000 -#define SPEAR6XX_ICM2_TMR0_SIZE 0x00080000 - -#define SPEAR6XX_ICM2_TMR1_BASE 0xD8080000 -#define SPEAR6XX_ICM2_TMR1_SIZE 0x00080000 - -#define SPEAR6XX_ICM2_GPIO_BASE 0xD8100000 -#define SPEAR6XX_ICM2_GPIO_SIZE 0x00080000 - -#define SPEAR6XX_ICM2_SPI2_BASE 0xD8180000 -#define SPEAR6XX_ICM2_SPI2_SIZE 0x00080000 - -#define SPEAR6XX_ICM2_ADC_BASE 0xD8200000 -#define SPEAR6XX_ICM2_ADC_SIZE 0x00080000 +#define SPEAR6XX_ICM2_BASE UL(0xD8000000) +#define SPEAR6XX_ICM2_TMR0_BASE UL(0xD8000000) +#define SPEAR6XX_ICM2_TMR1_BASE UL(0xD8080000) +#define SPEAR6XX_ICM2_GPIO_BASE UL(0xD8100000) +#define SPEAR6XX_ICM2_SSP2_BASE UL(0xD8180000) +#define SPEAR6XX_ICM2_ADC_BASE UL(0xD8200000) /* ML-1, 2 - Multi Layer CPU Subsystem */ -#define SPEAR6XX_ML_CPU_BASE 0xF0000000 -#define SPEAR6XX_ML_CPU_SIZE 0x08000000 - -#define SPEAR6XX_CPU_TMR_BASE 0xF0000000 -#define SPEAR6XX_CPU_TMR_SIZE 0x00100000 - -#define SPEAR6XX_CPU_GPIO_BASE 0xF0100000 -#define SPEAR6XX_CPU_GPIO_SIZE 0x00100000 - -#define SPEAR6XX_CPU_VIC_SEC_BASE 0xF1000000 +#define SPEAR6XX_ML_CPU_BASE UL(0xF0000000) +#define SPEAR6XX_CPU_TMR_BASE UL(0xF0000000) +#define SPEAR6XX_CPU_GPIO_BASE UL(0xF0100000) +#define SPEAR6XX_CPU_VIC_SEC_BASE UL(0xF1000000) #define VA_SPEAR6XX_CPU_VIC_SEC_BASE IO_ADDRESS(SPEAR6XX_CPU_VIC_SEC_BASE) -#define SPEAR6XX_CPU_VIC_SEC_SIZE 0x00100000 - -#define SPEAR6XX_CPU_VIC_PRI_BASE 0xF1100000 +#define SPEAR6XX_CPU_VIC_PRI_BASE UL(0xF1100000) #define VA_SPEAR6XX_CPU_VIC_PRI_BASE IO_ADDRESS(SPEAR6XX_CPU_VIC_PRI_BASE) -#define SPEAR6XX_CPU_VIC_PRI_SIZE 0x00100000 /* ICM3 - Basic Subsystem */ -#define SPEAR6XX_ICM3_BASE 0xF8000000 -#define SPEAR6XX_ICM3_SIZE 0x08000000 - -#define SPEAR6XX_ICM3_SMEM_BASE 0xF8000000 -#define SPEAR6XX_ICM3_SMEM_SIZE 0x04000000 - -#define SPEAR6XX_ICM3_SMI_CTRL_BASE 0xFC000000 -#define SPEAR6XX_ICM3_SMI_CTRL_SIZE 0x00200000 - -#define SPEAR6XX_ICM3_CLCD_BASE 0xFC200000 -#define SPEAR6XX_ICM3_CLCD_SIZE 0x00200000 - -#define SPEAR6XX_ICM3_DMA_BASE 0xFC400000 -#define SPEAR6XX_ICM3_DMA_SIZE 0x00200000 - -#define SPEAR6XX_ICM3_SDRAM_CTRL_BASE 0xFC600000 -#define SPEAR6XX_ICM3_SDRAM_CTRL_SIZE 0x00200000 - -#define SPEAR6XX_ICM3_TMR_BASE 0xFC800000 -#define SPEAR6XX_ICM3_TMR_SIZE 0x00080000 - -#define SPEAR6XX_ICM3_WDT_BASE 0xFC880000 -#define SPEAR6XX_ICM3_WDT_SIZE 0x00080000 - -#define SPEAR6XX_ICM3_RTC_BASE 0xFC900000 -#define SPEAR6XX_ICM3_RTC_SIZE 0x00080000 - -#define SPEAR6XX_ICM3_GPIO_BASE 0xFC980000 -#define SPEAR6XX_ICM3_GPIO_SIZE 0x00080000 - -#define SPEAR6XX_ICM3_SYS_CTRL_BASE 0xFCA00000 +#define SPEAR6XX_ICM3_BASE UL(0xF8000000) +#define SPEAR6XX_ICM3_SMEM_BASE UL(0xF8000000) +#define SPEAR6XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) +#define SPEAR6XX_ICM3_CLCD_BASE UL(0xFC200000) +#define SPEAR6XX_ICM3_DMA_BASE UL(0xFC400000) +#define SPEAR6XX_ICM3_SDRAM_CTRL_BASE UL(0xFC600000) +#define SPEAR6XX_ICM3_TMR_BASE UL(0xFC800000) +#define SPEAR6XX_ICM3_WDT_BASE UL(0xFC880000) +#define SPEAR6XX_ICM3_RTC_BASE UL(0xFC900000) +#define SPEAR6XX_ICM3_GPIO_BASE UL(0xFC980000) +#define SPEAR6XX_ICM3_SYS_CTRL_BASE UL(0xFCA00000) #define VA_SPEAR6XX_ICM3_SYS_CTRL_BASE IO_ADDRESS(SPEAR6XX_ICM3_SYS_CTRL_BASE) -#define SPEAR6XX_ICM3_SYS_CTRL_SIZE 0x00080000 - -#define SPEAR6XX_ICM3_MISC_REG_BASE 0xFCA80000 +#define SPEAR6XX_ICM3_MISC_REG_BASE UL(0xFCA80000) #define VA_SPEAR6XX_ICM3_MISC_REG_BASE IO_ADDRESS(SPEAR6XX_ICM3_MISC_REG_BASE) -#define SPEAR6XX_ICM3_MISC_REG_SIZE 0x00080000 /* ICM4 - High Speed Connection */ -#define SPEAR6XX_ICM4_BASE 0xE0000000 -#define SPEAR6XX_ICM4_SIZE 0x08000000 - -#define SPEAR6XX_ICM4_GMAC_BASE 0xE0800000 -#define SPEAR6XX_ICM4_GMAC_SIZE 0x00800000 - -#define SPEAR6XX_ICM4_USBD_FIFO_BASE 0xE1000000 -#define SPEAR6XX_ICM4_USBD_FIFO_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USBD_CSR_BASE 0xE1100000 -#define SPEAR6XX_ICM4_USBD_CSR_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USBD_PLDT_BASE 0xE1200000 -#define SPEAR6XX_ICM4_USBD_PLDT_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USB_EHCI0_BASE 0xE1800000 -#define SPEAR6XX_ICM4_USB_EHCI0_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USB_OHCI0_BASE 0xE1900000 -#define SPEAR6XX_ICM4_USB_OHCI0_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USB_EHCI1_BASE 0xE2000000 -#define SPEAR6XX_ICM4_USB_EHCI1_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USB_OHCI1_BASE 0xE2100000 -#define SPEAR6XX_ICM4_USB_OHCI1_SIZE 0x00100000 - -#define SPEAR6XX_ICM4_USB_ARB_BASE 0xE2800000 -#define SPEAR6XX_ICM4_USB_ARB_SIZE 0x00010000 +#define SPEAR6XX_ICM4_BASE UL(0xE0000000) +#define SPEAR6XX_ICM4_GMAC_BASE UL(0xE0800000) +#define SPEAR6XX_ICM4_USBD_FIFO_BASE UL(0xE1000000) +#define SPEAR6XX_ICM4_USBD_CSR_BASE UL(0xE1100000) +#define SPEAR6XX_ICM4_USBD_PLDT_BASE UL(0xE1200000) +#define SPEAR6XX_ICM4_USB_EHCI0_BASE UL(0xE1800000) +#define SPEAR6XX_ICM4_USB_OHCI0_BASE UL(0xE1900000) +#define SPEAR6XX_ICM4_USB_EHCI1_BASE UL(0xE2000000) +#define SPEAR6XX_ICM4_USB_OHCI1_BASE UL(0xE2100000) +#define SPEAR6XX_ICM4_USB_ARB_BASE UL(0xE2800000) /* Debug uart for linux, will be used for debug and uncompress messages */ #define SPEAR_DBG_UART_BASE SPEAR6XX_ICM1_UART0_BASE diff --git a/arch/arm/mach-spear6xx/spear600.c b/arch/arm/mach-spear6xx/spear600.c index 5c484c433dc1..d0e6eeae9b04 100644 --- a/arch/arm/mach-spear6xx/spear600.c +++ b/arch/arm/mach-spear6xx/spear600.c @@ -14,7 +14,7 @@ #include <linux/ptrace.h> #include <asm/irq.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> /* Add spear600 specific devices here */ diff --git a/arch/arm/mach-spear6xx/spear600_evb.c b/arch/arm/mach-spear6xx/spear600_evb.c index daff8d04f7b6..f19cefe91a2b 100644 --- a/arch/arm/mach-spear6xx/spear600_evb.c +++ b/arch/arm/mach-spear6xx/spear600_evb.c @@ -14,7 +14,7 @@ #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> static struct amba_device *amba_devs[] __initdata = { &gpio_device[0], @@ -46,6 +46,6 @@ MACHINE_START(SPEAR600, "ST-SPEAR600-EVB") .boot_params = 0x00000100, .map_io = spear6xx_map_io, .init_irq = spear6xx_init_irq, - .timer = &spear_sys_timer, + .timer = &spear6xx_timer, .init_machine = spear600_evb_init, MACHINE_END diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index f2fe14e8471d..981812961ac7 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c @@ -18,9 +18,9 @@ #include <asm/hardware/vic.h> #include <asm/irq.h> #include <asm/mach/arch.h> -#include <mach/irqs.h> #include <mach/generic.h> -#include <mach/spear.h> +#include <mach/hardware.h> +#include <mach/irqs.h> /* Add spear6xx machines common devices here */ /* uart device registration */ @@ -31,8 +31,7 @@ struct amba_device uart_device[] = { }, .res = { .start = SPEAR6XX_ICM1_UART0_BASE, - .end = SPEAR6XX_ICM1_UART0_BASE + - SPEAR6XX_ICM1_UART0_SIZE - 1, + .end = SPEAR6XX_ICM1_UART0_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_UART_0, NO_IRQ}, @@ -42,8 +41,7 @@ struct amba_device uart_device[] = { }, .res = { .start = SPEAR6XX_ICM1_UART1_BASE, - .end = SPEAR6XX_ICM1_UART1_BASE + - SPEAR6XX_ICM1_UART1_SIZE - 1, + .end = SPEAR6XX_ICM1_UART1_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_UART_1, NO_IRQ}, @@ -72,8 +70,7 @@ struct amba_device gpio_device[] = { }, .res = { .start = SPEAR6XX_CPU_GPIO_BASE, - .end = SPEAR6XX_CPU_GPIO_BASE + - SPEAR6XX_CPU_GPIO_SIZE - 1, + .end = SPEAR6XX_CPU_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_LOCAL_GPIO, NO_IRQ}, @@ -84,8 +81,7 @@ struct amba_device gpio_device[] = { }, .res = { .start = SPEAR6XX_ICM3_GPIO_BASE, - .end = SPEAR6XX_ICM3_GPIO_BASE + - SPEAR6XX_ICM3_GPIO_SIZE - 1, + .end = SPEAR6XX_ICM3_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_BASIC_GPIO, NO_IRQ}, @@ -96,8 +92,7 @@ struct amba_device gpio_device[] = { }, .res = { .start = SPEAR6XX_ICM2_GPIO_BASE, - .end = SPEAR6XX_ICM2_GPIO_BASE + - SPEAR6XX_ICM2_GPIO_SIZE - 1, + .end = SPEAR6XX_ICM2_GPIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, .irq = {IRQ_APPL_GPIO, NO_IRQ}, @@ -122,27 +117,27 @@ static struct map_desc spear6xx_io_desc[] __initdata = { { .virtual = VA_SPEAR6XX_ICM1_UART0_BASE, .pfn = __phys_to_pfn(SPEAR6XX_ICM1_UART0_BASE), - .length = SPEAR6XX_ICM1_UART0_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR6XX_CPU_VIC_PRI_BASE, .pfn = __phys_to_pfn(SPEAR6XX_CPU_VIC_PRI_BASE), - .length = SPEAR6XX_CPU_VIC_PRI_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR6XX_CPU_VIC_SEC_BASE, .pfn = __phys_to_pfn(SPEAR6XX_CPU_VIC_SEC_BASE), - .length = SPEAR6XX_CPU_VIC_SEC_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR6XX_ICM3_SYS_CTRL_BASE, .pfn = __phys_to_pfn(SPEAR6XX_ICM3_SYS_CTRL_BASE), - .length = SPEAR6XX_ICM3_MISC_REG_BASE, + .length = SZ_4K, .type = MT_DEVICE }, { .virtual = VA_SPEAR6XX_ICM3_MISC_REG_BASE, .pfn = __phys_to_pfn(SPEAR6XX_ICM3_MISC_REG_BASE), - .length = SPEAR6XX_ICM3_MISC_REG_SIZE, + .length = SZ_4K, .type = MT_DEVICE }, }; @@ -155,3 +150,34 @@ void __init spear6xx_map_io(void) /* This will initialize clock framework */ clk_init(); } + +static void __init spear6xx_timer_init(void) +{ + char pclk_name[] = "pll3_48m_clk"; + struct clk *gpt_clk, *pclk; + + /* get the system timer clock */ + gpt_clk = clk_get_sys("gpt0", NULL); + if (IS_ERR(gpt_clk)) { + pr_err("%s:couldn't get clk for gpt\n", __func__); + BUG(); + } + + /* get the suitable parent clock for timer*/ + pclk = clk_get(NULL, pclk_name); + if (IS_ERR(pclk)) { + pr_err("%s:couldn't get %s as parent for gpt\n", + __func__, pclk_name); + BUG(); + } + + clk_set_parent(gpt_clk, pclk); + clk_put(gpt_clk); + clk_put(pclk); + + spear_setup_timer(); +} + +struct sys_timer spear6xx_timer = { + .init = spear6xx_timer_init, +}; diff --git a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c index 7991415e666b..fb6426ddeb77 100644 --- a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c +++ b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c @@ -54,7 +54,7 @@ static void __init tcc8k_map_io(void) } MACHINE_START(TCC8000_SDK, "Telechips TCC8000-SDK Demo Board") - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .map_io = tcc8k_map_io, .init_irq = tcc8k_init_irq, .init_machine = tcc8k_init, diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index acd9552f8ada..622a9ec1ff08 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -10,6 +10,9 @@ config ARCH_TEGRA_2x_SOC select CPU_V7 select ARM_GIC select ARCH_REQUIRE_GPIOLIB + select USB_ARCH_HAS_EHCI if USB_SUPPORT + select USB_ULPI if USB_SUPPORT + select USB_ULPI_VIEWPORT if USB_SUPPORT help Support for NVIDIA Tegra AP20 and T20 processors, based on the ARM CortexA9MP CPU and the ARM PL310 L2 cache controller @@ -27,6 +30,31 @@ config MACH_HARMONY help Support for nVidia Harmony development platform +config MACH_KAEN + bool "Kaen board" + select MACH_SEABOARD + help + Support for the Kaen version of Seaboard + +config MACH_SEABOARD + bool "Seaboard board" + help + Support for nVidia Seaboard development platform. It will + also be included for some of the derivative boards that + have large similarities with the seaboard design. + +config MACH_TRIMSLICE + bool "TrimSlice board" + select TEGRA_PCI + help + Support for CompuLab TrimSlice platform + +config MACH_WARIO + bool "Wario board" + select MACH_SEABOARD + help + Support for the Wario version of Seaboard + choice prompt "Low-level debug console UART" default TEGRA_DEBUG_UART_NONE @@ -58,4 +86,7 @@ config TEGRA_SYSTEM_DMA Adds system DMA functionality for NVIDIA Tegra SoCs, used by several Tegra device drivers +config TEGRA_EMC_SCALING_ENABLE + bool "Enable scaling the memory frequency" + endif diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index cdbc68e4c0ca..9f7a7e1e0c38 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -1,21 +1,30 @@ obj-y += common.o +obj-y += devices.o obj-y += io.o obj-y += irq.o legacy_irq.o obj-y += clock.o obj-y += timer.o obj-y += gpio.o obj-y += pinmux.o +obj-y += powergate.o obj-y += fuse.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clock.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o -obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_dvfs.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += pinmux-t2-tables.o obj-$(CONFIG_SMP) += platsmp.o localtimer.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o obj-$(CONFIG_CPU_FREQ) += cpu-tegra.o obj-$(CONFIG_TEGRA_PCI) += pcie.o +obj-$(CONFIG_USB_SUPPORT) += usb_phy.o obj-${CONFIG_MACH_HARMONY} += board-harmony.o obj-${CONFIG_MACH_HARMONY} += board-harmony-pinmux.o obj-${CONFIG_MACH_HARMONY} += board-harmony-pcie.o + +obj-${CONFIG_MACH_SEABOARD} += board-seaboard.o +obj-${CONFIG_MACH_SEABOARD} += board-seaboard-pinmux.o + +obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice.o +obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice-pinmux.o diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c index 50b15d500cac..98368d947be3 100644 --- a/arch/arm/mach-tegra/board-harmony-pinmux.c +++ b/arch/arm/mach-tegra/board-harmony-pinmux.c @@ -15,8 +15,10 @@ */ #include <linux/kernel.h> +#include <linux/gpio.h> #include <mach/pinmux.h> +#include "gpio-names.h" #include "board-harmony.h" static struct tegra_pingroup_config harmony_pinmux[] = { @@ -34,10 +36,10 @@ static struct tegra_pingroup_config harmony_pinmux[] = { {TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_DDC, TEGRA_MUX_I2C2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, - {TEGRA_PINGROUP_DTA, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, - {TEGRA_PINGROUP_DTB, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTA, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTB, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTC, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, - {TEGRA_PINGROUP_DTD, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTD, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTE, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_GMA, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, @@ -138,7 +140,18 @@ static struct tegra_pingroup_config harmony_pinmux[] = { {TEGRA_PINGROUP_XM2D, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, }; +static struct tegra_gpio_table gpio_table[] = { + { .gpio = TEGRA_GPIO_PI5, .enable = true }, /* mmc2 cd */ + { .gpio = TEGRA_GPIO_PH1, .enable = true }, /* mmc2 wp */ + { .gpio = TEGRA_GPIO_PT3, .enable = true }, /* mmc2 pwr */ + { .gpio = TEGRA_GPIO_PH2, .enable = true }, /* mmc4 cd */ + { .gpio = TEGRA_GPIO_PH3, .enable = true }, /* mmc4 wp */ + { .gpio = TEGRA_GPIO_PI6, .enable = true }, /* mmc4 pwr */ +}; + void harmony_pinmux_init(void) { tegra_pinmux_config_table(harmony_pinmux, ARRAY_SIZE(harmony_pinmux)); + + tegra_gpio_config(gpio_table, ARRAY_SIZE(gpio_table)); } diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index b9dbdb1289d0..49224e936eb4 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -30,35 +30,13 @@ #include <mach/iomap.h> #include <mach/irqs.h> +#include <mach/sdhci.h> #include "board.h" #include "board-harmony.h" #include "clock.h" - -/* NVidia bootloader tags */ -#define ATAG_NVIDIA 0x41000801 - -#define ATAG_NVIDIA_RM 0x1 -#define ATAG_NVIDIA_DISPLAY 0x2 -#define ATAG_NVIDIA_FRAMEBUFFER 0x3 -#define ATAG_NVIDIA_CHIPSHMOO 0x4 -#define ATAG_NVIDIA_CHIPSHMOOPHYS 0x5 -#define ATAG_NVIDIA_PRESERVED_MEM_0 0x10000 -#define ATAG_NVIDIA_PRESERVED_MEM_N 2 -#define ATAG_NVIDIA_FORCE_32 0x7fffffff - -struct tag_tegra { - __u32 bootarg_key; - __u32 bootarg_len; - char bootarg[1]; -}; - -static int __init parse_tag_nvidia(const struct tag *tag) -{ - - return 0; -} -__tagtable(ATAG_NVIDIA, parse_tag_nvidia); +#include "devices.h" +#include "gpio-names.h" static struct plat_serial8250_port debug_uart_platform_data[] = { { @@ -84,6 +62,9 @@ static struct platform_device debug_uart = { static struct platform_device *harmony_devices[] __initdata = { &debug_uart, + &tegra_sdhci_device1, + &tegra_sdhci_device2, + &tegra_sdhci_device4, }; static void __init tegra_harmony_fixup(struct machine_desc *desc, @@ -102,22 +83,45 @@ static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = { { NULL, NULL, 0, 0}, }; + +static struct tegra_sdhci_platform_data sdhci_pdata1 = { + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = -1, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata2 = { + .cd_gpio = TEGRA_GPIO_PI5, + .wp_gpio = TEGRA_GPIO_PH1, + .power_gpio = TEGRA_GPIO_PT3, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata4 = { + .cd_gpio = TEGRA_GPIO_PH2, + .wp_gpio = TEGRA_GPIO_PH3, + .power_gpio = TEGRA_GPIO_PI6, + .is_8bit = 1, +}; + static void __init tegra_harmony_init(void) { - tegra_common_init(); - tegra_clk_init_from_table(harmony_clk_init_table); harmony_pinmux_init(); + tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; + tegra_sdhci_device2.dev.platform_data = &sdhci_pdata2; + tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; + platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices)); } MACHINE_START(HARMONY, "harmony") .boot_params = 0x00000100, .fixup = tegra_harmony_fixup, - .init_irq = tegra_init_irq, - .init_machine = tegra_harmony_init, .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, .timer = &tegra_timer, + .init_machine = tegra_harmony_init, MACHINE_END diff --git a/arch/arm/mach-tegra/board-seaboard-pinmux.c b/arch/arm/mach-tegra/board-seaboard-pinmux.c new file mode 100644 index 000000000000..2d6ad83ed4b2 --- /dev/null +++ b/arch/arm/mach-tegra/board-seaboard-pinmux.c @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2010 NVIDIA Corporation + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/gpio.h> + +#include <mach/pinmux.h> +#include <mach/pinmux-t2.h> + +#include "gpio-names.h" +#include "board-seaboard.h" + +#define DEFAULT_DRIVE(_name) \ + { \ + .pingroup = TEGRA_DRIVE_PINGROUP_##_name, \ + .hsm = TEGRA_HSM_DISABLE, \ + .schmitt = TEGRA_SCHMITT_ENABLE, \ + .drive = TEGRA_DRIVE_DIV_1, \ + .pull_down = TEGRA_PULL_31, \ + .pull_up = TEGRA_PULL_31, \ + .slew_rising = TEGRA_SLEW_SLOWEST, \ + .slew_falling = TEGRA_SLEW_SLOWEST, \ + } + +static __initdata struct tegra_drive_pingroup_config seaboard_drive_pinmux[] = { + DEFAULT_DRIVE(SDIO1), +}; + +static __initdata struct tegra_pingroup_config seaboard_pinmux[] = { + {TEGRA_PINGROUP_ATA, TEGRA_MUX_IDE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_ATB, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_ATC, TEGRA_MUX_NAND, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_ATD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_ATE, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CDEV1, TEGRA_MUX_PLLA_OUT, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_CDEV2, TEGRA_MUX_PLLP_OUT4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_CRTP, TEGRA_MUX_CRT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CSUS, TEGRA_MUX_VI_SENSOR_CLK, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DAP1, TEGRA_MUX_DAP1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DAP2, TEGRA_MUX_DAP2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DDC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTA, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTB, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTC, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTD, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTE, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMA, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMB, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_GMC, TEGRA_MUX_UARTD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMD, TEGRA_MUX_SFLASH, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GME, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GPU, TEGRA_MUX_PWM, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_IRRX, TEGRA_MUX_UARTB, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_IRTX, TEGRA_MUX_UARTB, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCA, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCB, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCC, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCD, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCE, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_KBCF, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LCSN, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LD0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD10, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD11, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD12, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD13, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD14, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD15, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD16, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD17, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD3, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD4, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD5, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD6, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD7, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD8, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD9, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LDC, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LDI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LM0, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LM1, TEGRA_MUX_CRT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LPP, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LPW0, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LPW1, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LPW2, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LSC0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LSC1, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSCK, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSDA, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSDI, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSPI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LVP0, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LVP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LVS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_OWC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_PMC, TEGRA_MUX_PWR_ON, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PTA, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_RM, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDB, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDC, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDD, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SLXC, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SLXD, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SPDO, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIB, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIC, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPID, TEGRA_MUX_SPI1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIE, TEGRA_MUX_SPI1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIF, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIH, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UAA, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UAB, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UAC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UAD, TEGRA_MUX_IRDA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UCA, TEGRA_MUX_UARTC, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UCB, TEGRA_MUX_UARTC, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_UDA, TEGRA_MUX_ULPI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_CK32, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DDRC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCA, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCB, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCD, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCE, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_XM2C, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_XM2D, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, +}; + + + + +static struct tegra_gpio_table gpio_table[] = { + { .gpio = TEGRA_GPIO_PI5, .enable = true }, /* mmc2 cd */ + { .gpio = TEGRA_GPIO_PH1, .enable = true }, /* mmc2 wp */ + { .gpio = TEGRA_GPIO_PI6, .enable = true }, /* mmc2 pwr */ + { .gpio = TEGRA_GPIO_LIDSWITCH, .enable = true }, /* lid switch */ + { .gpio = TEGRA_GPIO_POWERKEY, .enable = true }, /* power key */ +}; + +void __init seaboard_pinmux_init(void) +{ + tegra_pinmux_config_table(seaboard_pinmux, ARRAY_SIZE(seaboard_pinmux)); + + tegra_drive_pinmux_config_table(seaboard_drive_pinmux, + ARRAY_SIZE(seaboard_drive_pinmux)); + + tegra_gpio_config(gpio_table, ARRAY_SIZE(gpio_table)); +} diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c new file mode 100644 index 000000000000..6ca9e61f6cd0 --- /dev/null +++ b/arch/arm/mach-tegra/board-seaboard.c @@ -0,0 +1,196 @@ +/* + * Copyright (c) 2010, 2011 NVIDIA Corporation. + * Copyright (C) 2010, 2011 Google, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/gpio_keys.h> + +#include <mach/iomap.h> +#include <mach/irqs.h> +#include <mach/sdhci.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "board.h" +#include "board-seaboard.h" +#include "clock.h" +#include "devices.h" +#include "gpio-names.h" + +static struct plat_serial8250_port debug_uart_platform_data[] = { + { + /* Memory and IRQ filled in before registration */ + .flags = UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 216000000, + }, { + .flags = 0, + } +}; + +static struct platform_device debug_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = debug_uart_platform_data, + }, +}; + +static __initdata struct tegra_clk_init_table seaboard_clk_init_table[] = { + /* name parent rate enabled */ + { "uartb", "pll_p", 216000000, true}, + { "uartd", "pll_p", 216000000, true}, + { NULL, NULL, 0, 0}, +}; + +static struct gpio_keys_button seaboard_gpio_keys_buttons[] = { + { + .code = SW_LID, + .gpio = TEGRA_GPIO_LIDSWITCH, + .active_low = 0, + .desc = "Lid", + .type = EV_SW, + .wakeup = 1, + .debounce_interval = 1, + }, + { + .code = KEY_POWER, + .gpio = TEGRA_GPIO_POWERKEY, + .active_low = 1, + .desc = "Power", + .type = EV_KEY, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data seaboard_gpio_keys = { + .buttons = seaboard_gpio_keys_buttons, + .nbuttons = ARRAY_SIZE(seaboard_gpio_keys_buttons), +}; + +static struct platform_device seaboard_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &seaboard_gpio_keys, + } +}; + +static struct tegra_sdhci_platform_data sdhci_pdata1 = { + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = -1, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata3 = { + .cd_gpio = TEGRA_GPIO_PI5, + .wp_gpio = TEGRA_GPIO_PH1, + .power_gpio = TEGRA_GPIO_PI6, +}; + +static struct tegra_sdhci_platform_data sdhci_pdata4 = { + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = -1, + .is_8bit = 1, +}; + +static struct platform_device *seaboard_devices[] __initdata = { + &debug_uart, + &tegra_pmu_device, + &tegra_sdhci_device1, + &tegra_sdhci_device3, + &tegra_sdhci_device4, + &seaboard_gpio_keys_device, +}; + +static void __init __tegra_seaboard_init(void) +{ + seaboard_pinmux_init(); + + tegra_clk_init_from_table(seaboard_clk_init_table); + + tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1; + tegra_sdhci_device3.dev.platform_data = &sdhci_pdata3; + tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4; + + platform_add_devices(seaboard_devices, ARRAY_SIZE(seaboard_devices)); +} + +static void __init tegra_seaboard_init(void) +{ + /* Seaboard uses UARTD for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTD_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTD_BASE; + debug_uart_platform_data[0].irq = INT_UARTD; + + __tegra_seaboard_init(); +} + +static void __init tegra_kaen_init(void) +{ + /* Kaen uses UARTB for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; + debug_uart_platform_data[0].irq = INT_UARTB; + + __tegra_seaboard_init(); +} + +static void __init tegra_wario_init(void) +{ + /* Wario uses UARTB for the debug port. */ + debug_uart_platform_data[0].membase = IO_ADDRESS(TEGRA_UARTB_BASE); + debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; + debug_uart_platform_data[0].irq = INT_UARTB; + + __tegra_seaboard_init(); +} + + +MACHINE_START(SEABOARD, "seaboard") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_seaboard_init, +MACHINE_END + +MACHINE_START(KAEN, "kaen") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_kaen_init, +MACHINE_END + +MACHINE_START(WARIO, "wario") + .boot_params = 0x00000100, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_wario_init, +MACHINE_END diff --git a/arch/arm/mach-tegra/board-seaboard.h b/arch/arm/mach-tegra/board-seaboard.h new file mode 100644 index 000000000000..a098e3599731 --- /dev/null +++ b/arch/arm/mach-tegra/board-seaboard.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-tegra/board-seaboard.h + * + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _MACH_TEGRA_BOARD_SEABOARD_H +#define _MACH_TEGRA_BOARD_SEABOARD_H + +#define TEGRA_GPIO_LIDSWITCH TEGRA_GPIO_PC7 +#define TEGRA_GPIO_USB1 TEGRA_GPIO_PD0 +#define TEGRA_GPIO_POWERKEY TEGRA_GPIO_PV2 +#define TEGRA_GPIO_BACKLIGHT TEGRA_GPIO_PD4 +#define TEGRA_GPIO_LVDS_SHUTDOWN TEGRA_GPIO_PB2 +#define TEGRA_GPIO_BACKLIGHT_PWM TEGRA_GPIO_PU5 +#define TEGRA_GPIO_BACKLIGHT_VDD TEGRA_GPIO_PW0 +#define TEGRA_GPIO_EN_VDD_PNL TEGRA_GPIO_PC6 +#define TEGRA_GPIO_MAGNETOMETER TEGRA_GPIO_PN5 +#define TEGRA_GPIO_ISL29018_IRQ TEGRA_GPIO_PZ2 +#define TEGRA_GPIO_AC_ONLINE TEGRA_GPIO_PV3 + +#define TPS_GPIO_BASE TEGRA_NR_GPIOS + +#define TPS_GPIO_WWAN_PWR (TPS_GPIO_BASE + 2) + +void seaboard_pinmux_init(void); + +#endif diff --git a/arch/arm/mach-tegra/board-trimslice-pinmux.c b/arch/arm/mach-tegra/board-trimslice-pinmux.c new file mode 100644 index 000000000000..6d4fc9f7f1fb --- /dev/null +++ b/arch/arm/mach-tegra/board-trimslice-pinmux.c @@ -0,0 +1,145 @@ +/* + * arch/arm/mach-tegra/board-trimslice-pinmux.c + * + * Copyright (C) 2011 CompuLab, Ltd. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <mach/pinmux.h> + +#include "board-trimslice.h" + +static __initdata struct tegra_pingroup_config trimslice_pinmux[] = { + {TEGRA_PINGROUP_ATA, TEGRA_MUX_IDE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_ATB, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_ATC, TEGRA_MUX_NAND, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_ATD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_ATE, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CDEV1, TEGRA_MUX_OSC, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_CDEV2, TEGRA_MUX_PLLP_OUT4, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CRTP, TEGRA_MUX_CRT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CSUS, TEGRA_MUX_VI_SENSOR_CLK, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DAP1, TEGRA_MUX_DAP1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DAP2, TEGRA_MUX_DAP2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DDC, TEGRA_MUX_I2C2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTA, TEGRA_MUX_VI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTB, TEGRA_MUX_VI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTC, TEGRA_MUX_VI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTD, TEGRA_MUX_VI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTE, TEGRA_MUX_VI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMA, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMB, TEGRA_MUX_NAND, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_GMC, TEGRA_MUX_SFLASH, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GMD, TEGRA_MUX_SFLASH, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GME, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_GPU, TEGRA_MUX_UARTA, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_IRRX, TEGRA_MUX_UARTB, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_IRTX, TEGRA_MUX_UARTB, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCA, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCB, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCC, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCD, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCE, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_KBCF, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LCSN, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LD0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD3, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD4, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD5, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD6, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD7, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD8, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD9, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD10, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD11, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD12, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD13, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD14, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD15, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD16, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LD17, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LDC, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LDI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHP2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LHS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LM0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LM1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LPP, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LPW0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LPW1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LPW2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LSC0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LSC1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSCK, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSDA, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSDI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LSPI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LVP0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_LVP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_LVS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_OWC, TEGRA_MUX_RSVD2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_PMC, TEGRA_MUX_PWR_ON, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_PTA, TEGRA_MUX_RSVD3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_RM, TEGRA_MUX_I2C, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDB, TEGRA_MUX_PWM, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDC, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDD, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SLXC, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SLXD, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_SPDI, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPDO, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIA, TEGRA_MUX_SPI2, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIB, TEGRA_MUX_SPI2, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIC, TEGRA_MUX_SPI2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPID, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIE, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIF, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_SPIH, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UAA, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UAB, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UAC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UAD, TEGRA_MUX_IRDA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UCA, TEGRA_MUX_UARTC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UCB, TEGRA_MUX_UARTC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_UDA, TEGRA_MUX_ULPI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, + {TEGRA_PINGROUP_CK32, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DDRC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCA, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCB, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCD, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_PMCE, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_XM2C, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_XM2D, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, +}; + +void __init trimslice_pinmux_init(void) +{ + tegra_pinmux_config_table(trimslice_pinmux, ARRAY_SIZE(trimslice_pinmux)); +} diff --git a/arch/arm/mach-tegra/board-trimslice.c b/arch/arm/mach-tegra/board-trimslice.c new file mode 100644 index 000000000000..7be7d4acd02f --- /dev/null +++ b/arch/arm/mach-tegra/board-trimslice.c @@ -0,0 +1,106 @@ +/* + * arch/arm/mach-tegra/board-trimslice.c + * + * Copyright (C) 2011 CompuLab, Ltd. + * Author: Mike Rapoport <mike@compulab.co.il> + * + * Based on board-harmony.c + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/io.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/setup.h> + +#include <mach/iomap.h> + +#include "board.h" +#include "clock.h" + +#include "board-trimslice.h" + +static struct plat_serial8250_port debug_uart_platform_data[] = { + { + .membase = IO_ADDRESS(TEGRA_UARTA_BASE), + .mapbase = TEGRA_UARTA_BASE, + .irq = INT_UARTA, + .flags = UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = 216000000, + }, { + .flags = 0 + } +}; + +static struct platform_device debug_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = debug_uart_platform_data, + }, +}; + +static struct platform_device *trimslice_devices[] __initdata = { + &debug_uart, +}; + +static void __init tegra_trimslice_fixup(struct machine_desc *desc, + struct tag *tags, char **cmdline, struct meminfo *mi) +{ + mi->nr_banks = 2; + mi->bank[0].start = PHYS_OFFSET; + mi->bank[0].size = 448 * SZ_1M; + mi->bank[1].start = SZ_512M; + mi->bank[1].size = SZ_512M; +} + +static __initdata struct tegra_clk_init_table trimslice_clk_init_table[] = { + /* name parent rate enabled */ + { "uarta", "pll_p", 216000000, true }, + { NULL, NULL, 0, 0}, +}; + +static int __init tegra_trimslice_pci_init(void) +{ + if (!machine_is_trimslice()) + return 0; + + return tegra_pcie_init(true, true); +} +subsys_initcall(tegra_trimslice_pci_init); + +static void __init tegra_trimslice_init(void) +{ + tegra_clk_init_from_table(trimslice_clk_init_table); + + trimslice_pinmux_init(); + + platform_add_devices(trimslice_devices, ARRAY_SIZE(trimslice_devices)); +} + +MACHINE_START(TRIMSLICE, "trimslice") + .boot_params = 0x00000100, + .fixup = tegra_trimslice_fixup, + .map_io = tegra_map_common_io, + .init_early = tegra_init_early, + .init_irq = tegra_init_irq, + .timer = &tegra_timer, + .init_machine = tegra_trimslice_init, +MACHINE_END diff --git a/arch/arm/mach-tegra/board-trimslice.h b/arch/arm/mach-tegra/board-trimslice.h new file mode 100644 index 000000000000..16ec0f0d3bb1 --- /dev/null +++ b/arch/arm/mach-tegra/board-trimslice.h @@ -0,0 +1,22 @@ +/* + * arch/arm/mach-tegra/board-trimslice.h + * + * Copyright (C) 2011 CompuLab, Ltd. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _MACH_TEGRA_BOARD_TRIMSLICE_H +#define _MACH_TEGRA_BOARD_TRIMSLICE_H + +void trimslice_pinmux_init(void); + +#endif diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h index 0de565ca37c5..1d14df7eb7de 100644 --- a/arch/arm/mach-tegra/board.h +++ b/arch/arm/mach-tegra/board.h @@ -23,7 +23,9 @@ #include <linux/types.h> -void __init tegra_common_init(void); +void tegra_assert_system_reset(char mode, const char *cmd); + +void __init tegra_init_early(void); void __init tegra_map_common_io(void); void __init tegra_init_irq(void); void __init tegra_init_clock(void); diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 77948e0f4909..e028320ab423 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -18,238 +18,177 @@ #include <linux/kernel.h> #include <linux/clk.h> -#include <linux/list.h> +#include <linux/clkdev.h> +#include <linux/debugfs.h> +#include <linux/delay.h> #include <linux/init.h> +#include <linux/list.h> #include <linux/module.h> -#include <linux/debugfs.h> -#include <linux/slab.h> +#include <linux/sched.h> #include <linux/seq_file.h> -#include <linux/regulator/consumer.h> -#include <linux/clkdev.h> +#include <linux/slab.h> + +#include <mach/clk.h> -#include "clock.h" #include "board.h" -#include "fuse.h" +#include "clock.h" +/* + * Locking: + * + * Each struct clk has a spinlock. + * + * To avoid AB-BA locking problems, locks must always be traversed from child + * clock to parent clock. For example, when enabling a clock, the clock's lock + * is taken, and then clk_enable is called on the parent, which take's the + * parent clock's lock. There is one exceptions to this ordering: When dumping + * the clock tree through debugfs. In this case, clk_lock_all is called, + * which attemps to iterate through the entire list of clocks and take every + * clock lock. If any call to spin_trylock fails, all locked clocks are + * unlocked, and the process is retried. When all the locks are held, + * the only clock operation that can be called is clk_get_rate_all_locked. + * + * Within a single clock, no clock operation can call another clock operation + * on itself, except for clk_get_rate_locked and clk_set_rate_locked. Any + * clock operation can call any other clock operation on any of it's possible + * parents. + * + * An additional mutex, clock_list_lock, is used to protect the list of all + * clocks. + * + * The clock operations must lock internally to protect against + * read-modify-write on registers that are shared by multiple clocks + */ +static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); -static DEFINE_SPINLOCK(clock_lock); -static DEFINE_MUTEX(dvfs_lock); - -static int clk_is_dvfs(struct clk *c) -{ - return (c->dvfs != NULL); -}; - -static int dvfs_set_rate(struct dvfs *d, unsigned long rate) -{ - struct dvfs_table *t; - - if (d->table == NULL) - return -ENODEV; - - for (t = d->table; t->rate != 0; t++) { - if (rate <= t->rate) { - if (!d->reg) - return 0; - - return regulator_set_voltage(d->reg, - t->millivolts * 1000, - d->max_millivolts * 1000); - } - } - - return -EINVAL; -} - -static void dvfs_init(struct clk *c) -{ - int process_id; - int i; - struct dvfs_table *table; - - process_id = c->dvfs->cpu ? tegra_core_process_id() : - tegra_cpu_process_id(); - - for (i = 0; i < c->dvfs->process_id_table_length; i++) - if (process_id == c->dvfs->process_id_table[i].process_id) - c->dvfs->table = c->dvfs->process_id_table[i].table; - - if (c->dvfs->table == NULL) { - pr_err("Failed to find dvfs table for clock %s process %d\n", - c->name, process_id); - return; - } - - c->dvfs->max_millivolts = 0; - for (table = c->dvfs->table; table->rate != 0; table++) - if (c->dvfs->max_millivolts < table->millivolts) - c->dvfs->max_millivolts = table->millivolts; - - c->dvfs->reg = regulator_get(NULL, c->dvfs->reg_id); - - if (IS_ERR(c->dvfs->reg)) { - pr_err("Failed to get regulator %s for clock %s\n", - c->dvfs->reg_id, c->name); - c->dvfs->reg = NULL; - return; - } - - if (c->refcnt > 0) - dvfs_set_rate(c->dvfs, c->rate); -} - struct clk *tegra_get_clock_by_name(const char *name) { struct clk *c; struct clk *ret = NULL; - unsigned long flags; - spin_lock_irqsave(&clock_lock, flags); + mutex_lock(&clock_list_lock); list_for_each_entry(c, &clocks, node) { if (strcmp(c->name, name) == 0) { ret = c; break; } } - spin_unlock_irqrestore(&clock_lock, flags); + mutex_unlock(&clock_list_lock); return ret; } -static void clk_recalculate_rate(struct clk *c) +/* Must be called with c->spinlock held */ +static unsigned long clk_predict_rate_from_parent(struct clk *c, struct clk *p) { u64 rate; - if (!c->parent) - return; - - rate = c->parent->rate; + rate = clk_get_rate(p); if (c->mul != 0 && c->div != 0) { - rate = rate * c->mul; + rate *= c->mul; + rate += c->div - 1; /* round up */ do_div(rate, c->div); } - if (rate > c->max_rate) - pr_warn("clocks: Set clock %s to rate %llu, max is %lu\n", - c->name, rate, c->max_rate); - - c->rate = rate; + return rate; } -int clk_reparent(struct clk *c, struct clk *parent) +/* Must be called with c->spinlock held */ +unsigned long clk_get_rate_locked(struct clk *c) { - pr_debug("%s: %s\n", __func__, c->name); - c->parent = parent; - list_del(&c->sibling); - list_add_tail(&c->sibling, &parent->children); - return 0; -} + unsigned long rate; -static void propagate_rate(struct clk *c) -{ - struct clk *clkp; - pr_debug("%s: %s\n", __func__, c->name); - list_for_each_entry(clkp, &c->children, sibling) { - pr_debug(" %s\n", clkp->name); - clk_recalculate_rate(clkp); - propagate_rate(clkp); - } + if (c->parent) + rate = clk_predict_rate_from_parent(c, c->parent); + else + rate = c->rate; + + return rate; } -void clk_init(struct clk *c) +unsigned long clk_get_rate(struct clk *c) { unsigned long flags; + unsigned long rate; + + spin_lock_irqsave(&c->spinlock, flags); - pr_debug("%s: %s\n", __func__, c->name); + rate = clk_get_rate_locked(c); - spin_lock_irqsave(&clock_lock, flags); + spin_unlock_irqrestore(&c->spinlock, flags); - INIT_LIST_HEAD(&c->children); - INIT_LIST_HEAD(&c->sibling); + return rate; +} +EXPORT_SYMBOL(clk_get_rate); + +int clk_reparent(struct clk *c, struct clk *parent) +{ + c->parent = parent; + return 0; +} + +void clk_init(struct clk *c) +{ + spin_lock_init(&c->spinlock); if (c->ops && c->ops->init) c->ops->init(c); - clk_recalculate_rate(c); + if (!c->ops || !c->ops->enable) { + c->refcnt++; + c->set = true; + if (c->parent) + c->state = c->parent->state; + else + c->state = ON; + } + mutex_lock(&clock_list_lock); list_add(&c->node, &clocks); - - if (c->parent) - list_add_tail(&c->sibling, &c->parent->children); - - spin_unlock_irqrestore(&clock_lock, flags); + mutex_unlock(&clock_list_lock); } -int clk_enable_locked(struct clk *c) +int clk_enable(struct clk *c) { - int ret; - pr_debug("%s: %s\n", __func__, c->name); + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&c->spinlock, flags); + if (c->refcnt == 0) { if (c->parent) { - ret = clk_enable_locked(c->parent); + ret = clk_enable(c->parent); if (ret) - return ret; + goto out; } if (c->ops && c->ops->enable) { ret = c->ops->enable(c); if (ret) { if (c->parent) - clk_disable_locked(c->parent); - return ret; + clk_disable(c->parent); + goto out; } c->state = ON; -#ifdef CONFIG_DEBUG_FS - c->set = 1; -#endif + c->set = true; } } c->refcnt++; - - return 0; -} - -int clk_enable_cansleep(struct clk *c) -{ - int ret; - unsigned long flags; - - mutex_lock(&dvfs_lock); - - if (clk_is_dvfs(c) && c->refcnt > 0) - dvfs_set_rate(c->dvfs, c->rate); - - spin_lock_irqsave(&clock_lock, flags); - ret = clk_enable_locked(c); - spin_unlock_irqrestore(&clock_lock, flags); - - mutex_unlock(&dvfs_lock); - +out: + spin_unlock_irqrestore(&c->spinlock, flags); return ret; } -EXPORT_SYMBOL(clk_enable_cansleep); +EXPORT_SYMBOL(clk_enable); -int clk_enable(struct clk *c) +void clk_disable(struct clk *c) { - int ret; unsigned long flags; - if (clk_is_dvfs(c)) - BUG(); - - spin_lock_irqsave(&clock_lock, flags); - ret = clk_enable_locked(c); - spin_unlock_irqrestore(&clock_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_enable); + spin_lock_irqsave(&c->spinlock, flags); -void clk_disable_locked(struct clk *c) -{ - pr_debug("%s: %s\n", __func__, c->name); if (c->refcnt == 0) { WARN(1, "Attempting to disable clock %s with refcnt 0", c->name); + spin_unlock_irqrestore(&c->spinlock, flags); return; } if (c->refcnt == 1) { @@ -257,71 +196,39 @@ void clk_disable_locked(struct clk *c) c->ops->disable(c); if (c->parent) - clk_disable_locked(c->parent); + clk_disable(c->parent); c->state = OFF; } c->refcnt--; -} - -void clk_disable_cansleep(struct clk *c) -{ - unsigned long flags; - - mutex_lock(&dvfs_lock); - - spin_lock_irqsave(&clock_lock, flags); - clk_disable_locked(c); - spin_unlock_irqrestore(&clock_lock, flags); - if (clk_is_dvfs(c) && c->refcnt == 0) - dvfs_set_rate(c->dvfs, c->rate); - - mutex_unlock(&dvfs_lock); -} -EXPORT_SYMBOL(clk_disable_cansleep); - -void clk_disable(struct clk *c) -{ - unsigned long flags; - - if (clk_is_dvfs(c)) - BUG(); - - spin_lock_irqsave(&clock_lock, flags); - clk_disable_locked(c); - spin_unlock_irqrestore(&clock_lock, flags); + spin_unlock_irqrestore(&c->spinlock, flags); } EXPORT_SYMBOL(clk_disable); -int clk_set_parent_locked(struct clk *c, struct clk *parent) +int clk_set_parent(struct clk *c, struct clk *parent) { int ret; + unsigned long flags; + unsigned long new_rate; + unsigned long old_rate; - pr_debug("%s: %s\n", __func__, c->name); + spin_lock_irqsave(&c->spinlock, flags); - if (!c->ops || !c->ops->set_parent) - return -ENOSYS; + if (!c->ops || !c->ops->set_parent) { + ret = -ENOSYS; + goto out; + } - ret = c->ops->set_parent(c, parent); + new_rate = clk_predict_rate_from_parent(c, parent); + old_rate = clk_get_rate_locked(c); + ret = c->ops->set_parent(c, parent); if (ret) - return ret; - - clk_recalculate_rate(c); - - propagate_rate(c); - - return 0; -} + goto out; -int clk_set_parent(struct clk *c, struct clk *parent) -{ - int ret; - unsigned long flags; - spin_lock_irqsave(&clock_lock, flags); - ret = clk_set_parent_locked(c, parent); - spin_unlock_irqrestore(&clock_lock, flags); +out: + spin_unlock_irqrestore(&c->spinlock, flags); return ret; } EXPORT_SYMBOL(clk_set_parent); @@ -334,100 +241,86 @@ EXPORT_SYMBOL(clk_get_parent); int clk_set_rate_locked(struct clk *c, unsigned long rate) { - int ret; - - if (rate > c->max_rate) - rate = c->max_rate; + long new_rate; if (!c->ops || !c->ops->set_rate) return -ENOSYS; - ret = c->ops->set_rate(c, rate); - - if (ret) - return ret; - - clk_recalculate_rate(c); - - propagate_rate(c); - - return 0; -} - -int clk_set_rate_cansleep(struct clk *c, unsigned long rate) -{ - int ret = 0; - unsigned long flags; - - pr_debug("%s: %s\n", __func__, c->name); - - mutex_lock(&dvfs_lock); - - if (rate > c->rate) - ret = dvfs_set_rate(c->dvfs, rate); - if (ret) - goto out; + if (rate > c->max_rate) + rate = c->max_rate; - spin_lock_irqsave(&clock_lock, flags); - ret = clk_set_rate_locked(c, rate); - spin_unlock_irqrestore(&clock_lock, flags); + if (c->ops && c->ops->round_rate) { + new_rate = c->ops->round_rate(c, rate); - if (ret) - goto out; + if (new_rate < 0) + return new_rate; - ret = dvfs_set_rate(c->dvfs, rate); + rate = new_rate; + } -out: - mutex_unlock(&dvfs_lock); - return ret; + return c->ops->set_rate(c, rate); } -EXPORT_SYMBOL(clk_set_rate_cansleep); int clk_set_rate(struct clk *c, unsigned long rate) { - int ret = 0; + int ret; unsigned long flags; - pr_debug("%s: %s\n", __func__, c->name); - - if (clk_is_dvfs(c)) - BUG(); + spin_lock_irqsave(&c->spinlock, flags); - spin_lock_irqsave(&clock_lock, flags); ret = clk_set_rate_locked(c, rate); - spin_unlock_irqrestore(&clock_lock, flags); + + spin_unlock_irqrestore(&c->spinlock, flags); return ret; } EXPORT_SYMBOL(clk_set_rate); -unsigned long clk_get_rate(struct clk *c) -{ - unsigned long flags; - unsigned long ret; - - spin_lock_irqsave(&clock_lock, flags); - pr_debug("%s: %s\n", __func__, c->name); +/* Must be called with clocks lock and all indvidual clock locks held */ +unsigned long clk_get_rate_all_locked(struct clk *c) +{ + u64 rate; + int mul = 1; + int div = 1; + struct clk *p = c; + + while (p) { + c = p; + if (c->mul != 0 && c->div != 0) { + mul *= c->mul; + div *= c->div; + } + p = c->parent; + } - ret = c->rate; + rate = c->rate; + rate *= mul; + do_div(rate, div); - spin_unlock_irqrestore(&clock_lock, flags); - return ret; + return rate; } -EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *c, unsigned long rate) { - pr_debug("%s: %s\n", __func__, c->name); + unsigned long flags; + long ret; - if (!c->ops || !c->ops->round_rate) - return -ENOSYS; + spin_lock_irqsave(&c->spinlock, flags); + + if (!c->ops || !c->ops->round_rate) { + ret = -ENOSYS; + goto out; + } if (rate > c->max_rate) rate = c->max_rate; - return c->ops->round_rate(c, rate); + ret = c->ops->round_rate(c, rate); + +out: + spin_unlock_irqrestore(&c->spinlock, flags); + return ret; } EXPORT_SYMBOL(clk_round_rate); @@ -509,31 +402,90 @@ void __init tegra_init_clock(void) tegra2_init_clocks(); } -int __init tegra_init_dvfs(void) +/* + * The SDMMC controllers have extra bits in the clock source register that + * adjust the delay between the clock and data to compenstate for delays + * on the PCB. + */ +void tegra_sdmmc_tap_delay(struct clk *c, int delay) { - struct clk *c, *safe; + unsigned long flags; + + spin_lock_irqsave(&c->spinlock, flags); + tegra2_sdmmc_tap_delay(c, delay); + spin_unlock_irqrestore(&c->spinlock, flags); +} - mutex_lock(&dvfs_lock); +#ifdef CONFIG_DEBUG_FS - list_for_each_entry_safe(c, safe, &clocks, node) - if (c->dvfs) - dvfs_init(c); +static int __clk_lock_all_spinlocks(void) +{ + struct clk *c; - mutex_unlock(&dvfs_lock); + list_for_each_entry(c, &clocks, node) + if (!spin_trylock(&c->spinlock)) + goto unlock_spinlocks; return 0; + +unlock_spinlocks: + list_for_each_entry_continue_reverse(c, &clocks, node) + spin_unlock(&c->spinlock); + + return -EAGAIN; } -late_initcall(tegra_init_dvfs); +static void __clk_unlock_all_spinlocks(void) +{ + struct clk *c; + + list_for_each_entry_reverse(c, &clocks, node) + spin_unlock(&c->spinlock); +} + +/* + * This function retries until it can take all locks, and may take + * an arbitrarily long time to complete. + * Must be called with irqs enabled, returns with irqs disabled + * Must be called with clock_list_lock held + */ +static void clk_lock_all(void) +{ + int ret; +retry: + local_irq_disable(); + + ret = __clk_lock_all_spinlocks(); + if (ret) + goto failed_spinlocks; + + /* All locks taken successfully, return */ + return; + +failed_spinlocks: + local_irq_enable(); + yield(); + goto retry; +} + +/* + * Unlocks all clocks after a clk_lock_all + * Must be called with irqs disabled, returns with irqs enabled + * Must be called with clock_list_lock held + */ +static void clk_unlock_all(void) +{ + __clk_unlock_all_spinlocks(); + + local_irq_enable(); +} -#ifdef CONFIG_DEBUG_FS static struct dentry *clk_debugfs_root; static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) { struct clk *child; - struct clk *safe; const char *state = "uninit"; char div[8] = {0}; @@ -564,8 +516,12 @@ static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) c->rate > c->max_rate ? '!' : ' ', !c->set ? '*' : ' ', 30 - level * 3, c->name, - state, c->refcnt, div, c->rate); - list_for_each_entry_safe(child, safe, &c->children, sibling) { + state, c->refcnt, div, clk_get_rate_all_locked(c)); + + list_for_each_entry(child, &clocks, node) { + if (child->parent != c) + continue; + clock_tree_show_one(s, child, level + 1); } } @@ -573,14 +529,20 @@ static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) static int clock_tree_show(struct seq_file *s, void *data) { struct clk *c; - unsigned long flags; seq_printf(s, " clock state ref div rate\n"); seq_printf(s, "--------------------------------------------------------------\n"); - spin_lock_irqsave(&clock_lock, flags); + + mutex_lock(&clock_list_lock); + + clk_lock_all(); + list_for_each_entry(c, &clocks, node) if (c->parent == NULL) clock_tree_show_one(s, c, 0); - spin_unlock_irqrestore(&clock_lock, flags); + + clk_unlock_all(); + + mutex_unlock(&clock_list_lock); return 0; } diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index 083a4cfc6cf0..688316abc64e 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -20,8 +20,9 @@ #ifndef __MACH_TEGRA_CLOCK_H #define __MACH_TEGRA_CLOCK_H -#include <linux/list.h> #include <linux/clkdev.h> +#include <linux/list.h> +#include <linux/spinlock.h> #define DIV_BUS (1 << 0) #define DIV_U71 (1 << 1) @@ -41,36 +42,13 @@ #define ENABLE_ON_INIT (1 << 28) struct clk; -struct regulator; - -struct dvfs_table { - unsigned long rate; - int millivolts; -}; - -struct dvfs_process_id_table { - int process_id; - struct dvfs_table *table; -}; - - -struct dvfs { - struct regulator *reg; - struct dvfs_table *table; - int max_millivolts; - - int process_id_table_length; - const char *reg_id; - bool cpu; - struct dvfs_process_id_table process_id_table[]; -}; struct clk_mux_sel { struct clk *input; u32 value; }; -struct clk_pll_table { +struct clk_pll_freq_table { unsigned long input_rate; unsigned long output_rate; u16 n; @@ -86,6 +64,7 @@ struct clk_ops { int (*set_parent)(struct clk *, struct clk *); int (*set_rate)(struct clk *, unsigned long); long (*round_rate)(struct clk *, unsigned long); + void (*reset)(struct clk *, bool); }; enum clk_state { @@ -96,55 +75,64 @@ enum clk_state { struct clk { /* node for master clocks list */ - struct list_head node; - struct list_head children; /* list of children */ - struct list_head sibling; /* node for children */ -#ifdef CONFIG_DEBUG_FS - struct dentry *dent; - struct dentry *parent_dent; -#endif - struct clk_ops *ops; - struct clk *parent; - struct clk_lookup lookup; - unsigned long rate; - unsigned long max_rate; - u32 flags; - u32 refcnt; - const char *name; - u32 reg; - u32 reg_shift; - unsigned int clk_num; - enum clk_state state; + struct list_head node; /* node for list of all clocks */ + struct clk_lookup lookup; + #ifdef CONFIG_DEBUG_FS - bool set; + struct dentry *dent; #endif + bool set; + struct clk_ops *ops; + unsigned long rate; + unsigned long max_rate; + unsigned long min_rate; + u32 flags; + const char *name; + + u32 refcnt; + enum clk_state state; + struct clk *parent; + u32 div; + u32 mul; - /* PLL */ - unsigned long input_min; - unsigned long input_max; - unsigned long cf_min; - unsigned long cf_max; - unsigned long vco_min; - unsigned long vco_max; - const struct clk_pll_table *pll_table; - - /* DIV */ - u32 div; - u32 mul; - - /* MUX */ const struct clk_mux_sel *inputs; - u32 sel; - u32 reg_mask; - - /* Virtual cpu clock */ - struct clk *main; - struct clk *backup; + u32 reg; + u32 reg_shift; - struct dvfs *dvfs; + struct list_head shared_bus_list; + + union { + struct { + unsigned int clk_num; + } periph; + struct { + unsigned long input_min; + unsigned long input_max; + unsigned long cf_min; + unsigned long cf_max; + unsigned long vco_min; + unsigned long vco_max; + const struct clk_pll_freq_table *freq_table; + int lock_delay; + } pll; + struct { + u32 sel; + u32 reg_mask; + } mux; + struct { + struct clk *main; + struct clk *backup; + } cpu; + struct { + struct list_head node; + bool enabled; + unsigned long rate; + } shared_bus_user; + } u; + + spinlock_t spinlock; }; - struct clk_duplicate { const char *name; struct clk_lookup lookup; @@ -163,11 +151,10 @@ void tegra2_periph_reset_assert(struct clk *c); void clk_init(struct clk *clk); struct clk *tegra_get_clock_by_name(const char *name); unsigned long clk_measure_input_freq(void); -void clk_disable_locked(struct clk *c); -int clk_enable_locked(struct clk *c); -int clk_set_parent_locked(struct clk *c, struct clk *parent); -int clk_set_rate_locked(struct clk *c, unsigned long rate); int clk_reparent(struct clk *c, struct clk *parent); void tegra_clk_init_from_table(struct tegra_clk_init_table *table); +unsigned long clk_get_rate_locked(struct clk *c); +int clk_set_rate_locked(struct clk *c, unsigned long rate); +void tegra2_sdmmc_tap_delay(struct clk *c, int delay); #endif diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 7c91e2b9d643..d5e3f89b05af 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -25,12 +25,25 @@ #include <asm/hardware/cache-l2x0.h> #include <mach/iomap.h> -#include <mach/dma.h> +#include <mach/system.h> #include "board.h" #include "clock.h" #include "fuse.h" +void (*arch_reset)(char mode, const char *cmd) = tegra_assert_system_reset; + +void tegra_assert_system_reset(char mode, const char *cmd) +{ + void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04); + u32 reg; + + /* use *_related to avoid spinlock since caches are off */ + reg = readl_relaxed(reset); + reg |= 0x04; + writel_relaxed(reg, reset); +} + static __initdata struct tegra_clk_init_table common_clk_init_table[] = { /* name parent rate enabled */ { "clk_m", NULL, 0, true }, @@ -42,6 +55,9 @@ static __initdata struct tegra_clk_init_table common_clk_init_table[] = { { "sclk", "pll_p_out4", 108000000, true }, { "hclk", "sclk", 108000000, true }, { "pclk", "hclk", 54000000, true }, + { "csite", NULL, 0, true }, + { "emc", NULL, 0, true }, + { "cpu", NULL, 0, true }, { NULL, NULL, 0, 0}, }; @@ -50,21 +66,18 @@ void __init tegra_init_cache(void) #ifdef CONFIG_CACHE_L2X0 void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; - writel(0x331, p + L2X0_TAG_LATENCY_CTRL); - writel(0x441, p + L2X0_DATA_LATENCY_CTRL); + writel_relaxed(0x331, p + L2X0_TAG_LATENCY_CTRL); + writel_relaxed(0x441, p + L2X0_DATA_LATENCY_CTRL); l2x0_init(p, 0x6C080001, 0x8200c3fe); #endif } -void __init tegra_common_init(void) +void __init tegra_init_early(void) { tegra_init_fuse(); tegra_init_clock(); tegra_clk_init_from_table(common_clk_init_table); tegra_init_cache(); -#ifdef CONFIG_TEGRA_SYSTEM_DMA - tegra_dma_init(); -#endif } diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c index fea5719c7072..0e1016a827ac 100644 --- a/arch/arm/mach-tegra/cpu-tegra.c +++ b/arch/arm/mach-tegra/cpu-tegra.c @@ -28,6 +28,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/suspend.h> #include <asm/system.h> @@ -36,21 +37,25 @@ /* Frequency table index must be sequential starting at 0 */ static struct cpufreq_frequency_table freq_table[] = { - { 0, 312000 }, - { 1, 456000 }, - { 2, 608000 }, - { 3, 760000 }, - { 4, 816000 }, - { 5, 912000 }, - { 6, 1000000 }, - { 7, CPUFREQ_TABLE_END }, + { 0, 216000 }, + { 1, 312000 }, + { 2, 456000 }, + { 3, 608000 }, + { 4, 760000 }, + { 5, 816000 }, + { 6, 912000 }, + { 7, 1000000 }, + { 8, CPUFREQ_TABLE_END }, }; #define NUM_CPUS 2 static struct clk *cpu_clk; +static struct clk *emc_clk; static unsigned long target_cpu_speed[NUM_CPUS]; +static DEFINE_MUTEX(tegra_cpu_lock); +static bool is_suspended; int tegra_verify_speed(struct cpufreq_policy *policy) { @@ -68,22 +73,28 @@ unsigned int tegra_getspeed(unsigned int cpu) return rate; } -static int tegra_update_cpu_speed(void) +static int tegra_update_cpu_speed(unsigned long rate) { - int i; - unsigned long rate = 0; int ret = 0; struct cpufreq_freqs freqs; - for_each_online_cpu(i) - rate = max(rate, target_cpu_speed[i]); - freqs.old = tegra_getspeed(0); freqs.new = rate; if (freqs.old == freqs.new) return ret; + /* + * Vote on memory bus frequency based on cpu frequency + * This sets the minimum frequency, display or avp may request higher + */ + if (rate >= 816000) + clk_set_rate(emc_clk, 600000000); /* cpu 816 MHz, emc max */ + else if (rate >= 456000) + clk_set_rate(emc_clk, 300000000); /* cpu 456 MHz, emc 150Mhz */ + else + clk_set_rate(emc_clk, 100000000); /* emc 50Mhz */ + for_each_online_cpu(freqs.cpu) cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); @@ -92,7 +103,7 @@ static int tegra_update_cpu_speed(void) freqs.old, freqs.new); #endif - ret = clk_set_rate_cansleep(cpu_clk, freqs.new * 1000); + ret = clk_set_rate(cpu_clk, freqs.new * 1000); if (ret) { pr_err("cpu-tegra: Failed to set cpu frequency to %d kHz\n", freqs.new); @@ -105,12 +116,30 @@ static int tegra_update_cpu_speed(void) return 0; } +static unsigned long tegra_cpu_highest_speed(void) +{ + unsigned long rate = 0; + int i; + + for_each_online_cpu(i) + rate = max(rate, target_cpu_speed[i]); + return rate; +} + static int tegra_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { int idx; unsigned int freq; + int ret = 0; + + mutex_lock(&tegra_cpu_lock); + + if (is_suspended) { + ret = -EBUSY; + goto out; + } cpufreq_frequency_table_target(policy, freq_table, target_freq, relation, &idx); @@ -119,9 +148,34 @@ static int tegra_target(struct cpufreq_policy *policy, target_cpu_speed[policy->cpu] = freq; - return tegra_update_cpu_speed(); + ret = tegra_update_cpu_speed(tegra_cpu_highest_speed()); + +out: + mutex_unlock(&tegra_cpu_lock); + return ret; } +static int tegra_pm_notify(struct notifier_block *nb, unsigned long event, + void *dummy) +{ + mutex_lock(&tegra_cpu_lock); + if (event == PM_SUSPEND_PREPARE) { + is_suspended = true; + pr_info("Tegra cpufreq suspend: setting frequency to %d kHz\n", + freq_table[0].frequency); + tegra_update_cpu_speed(freq_table[0].frequency); + } else if (event == PM_POST_SUSPEND) { + is_suspended = false; + } + mutex_unlock(&tegra_cpu_lock); + + return NOTIFY_OK; +} + +static struct notifier_block tegra_cpu_pm_notifier = { + .notifier_call = tegra_pm_notify, +}; + static int tegra_cpu_init(struct cpufreq_policy *policy) { if (policy->cpu >= NUM_CPUS) @@ -131,6 +185,15 @@ static int tegra_cpu_init(struct cpufreq_policy *policy) if (IS_ERR(cpu_clk)) return PTR_ERR(cpu_clk); + emc_clk = clk_get_sys("cpu", "emc"); + if (IS_ERR(emc_clk)) { + clk_put(cpu_clk); + return PTR_ERR(emc_clk); + } + + clk_enable(emc_clk); + clk_enable(cpu_clk); + cpufreq_frequency_table_cpuinfo(policy, freq_table); cpufreq_frequency_table_get_attr(freq_table, policy->cpu); policy->cur = tegra_getspeed(policy->cpu); @@ -142,12 +205,17 @@ static int tegra_cpu_init(struct cpufreq_policy *policy) policy->shared_type = CPUFREQ_SHARED_TYPE_ALL; cpumask_copy(policy->related_cpus, cpu_possible_mask); + if (policy->cpu == 0) + register_pm_notifier(&tegra_cpu_pm_notifier); + return 0; } static int tegra_cpu_exit(struct cpufreq_policy *policy) { cpufreq_frequency_table_cpuinfo(policy, freq_table); + clk_disable(emc_clk); + clk_put(emc_clk); clk_put(cpu_clk); return 0; } diff --git a/arch/arm/mach-tegra/devices.c b/arch/arm/mach-tegra/devices.c new file mode 100644 index 000000000000..682e6d33108c --- /dev/null +++ b/arch/arm/mach-tegra/devices.c @@ -0,0 +1,505 @@ +/* + * Copyright (C) 2010,2011 Google, Inc. + * + * Author: + * Colin Cross <ccross@android.com> + * Erik Gilling <ccross@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + + +#include <linux/resource.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/fsl_devices.h> +#include <linux/serial_8250.h> +#include <asm/pmu.h> +#include <mach/irqs.h> +#include <mach/iomap.h> +#include <mach/dma.h> + +static struct resource i2c_resource1[] = { + [0] = { + .start = INT_I2C, + .end = INT_I2C, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_I2C_BASE, + .end = TEGRA_I2C_BASE + TEGRA_I2C_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource i2c_resource2[] = { + [0] = { + .start = INT_I2C2, + .end = INT_I2C2, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_I2C2_BASE, + .end = TEGRA_I2C2_BASE + TEGRA_I2C2_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource i2c_resource3[] = { + [0] = { + .start = INT_I2C3, + .end = INT_I2C3, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_I2C3_BASE, + .end = TEGRA_I2C3_BASE + TEGRA_I2C3_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource i2c_resource4[] = { + [0] = { + .start = INT_DVC, + .end = INT_DVC, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_DVC_BASE, + .end = TEGRA_DVC_BASE + TEGRA_DVC_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device tegra_i2c_device1 = { + .name = "tegra-i2c", + .id = 0, + .resource = i2c_resource1, + .num_resources = ARRAY_SIZE(i2c_resource1), + .dev = { + .platform_data = 0, + }, +}; + +struct platform_device tegra_i2c_device2 = { + .name = "tegra-i2c", + .id = 1, + .resource = i2c_resource2, + .num_resources = ARRAY_SIZE(i2c_resource2), + .dev = { + .platform_data = 0, + }, +}; + +struct platform_device tegra_i2c_device3 = { + .name = "tegra-i2c", + .id = 2, + .resource = i2c_resource3, + .num_resources = ARRAY_SIZE(i2c_resource3), + .dev = { + .platform_data = 0, + }, +}; + +struct platform_device tegra_i2c_device4 = { + .name = "tegra-i2c", + .id = 3, + .resource = i2c_resource4, + .num_resources = ARRAY_SIZE(i2c_resource4), + .dev = { + .platform_data = 0, + }, +}; + +static struct resource spi_resource1[] = { + [0] = { + .start = INT_S_LINK1, + .end = INT_S_LINK1, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SPI1_BASE, + .end = TEGRA_SPI1_BASE + TEGRA_SPI1_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource spi_resource2[] = { + [0] = { + .start = INT_SPI_2, + .end = INT_SPI_2, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SPI2_BASE, + .end = TEGRA_SPI2_BASE + TEGRA_SPI2_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource spi_resource3[] = { + [0] = { + .start = INT_SPI_3, + .end = INT_SPI_3, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SPI3_BASE, + .end = TEGRA_SPI3_BASE + TEGRA_SPI3_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource spi_resource4[] = { + [0] = { + .start = INT_SPI_4, + .end = INT_SPI_4, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SPI4_BASE, + .end = TEGRA_SPI4_BASE + TEGRA_SPI4_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device tegra_spi_device1 = { + .name = "spi_tegra", + .id = 0, + .resource = spi_resource1, + .num_resources = ARRAY_SIZE(spi_resource1), + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +struct platform_device tegra_spi_device2 = { + .name = "spi_tegra", + .id = 1, + .resource = spi_resource2, + .num_resources = ARRAY_SIZE(spi_resource2), + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +struct platform_device tegra_spi_device3 = { + .name = "spi_tegra", + .id = 2, + .resource = spi_resource3, + .num_resources = ARRAY_SIZE(spi_resource3), + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +struct platform_device tegra_spi_device4 = { + .name = "spi_tegra", + .id = 3, + .resource = spi_resource4, + .num_resources = ARRAY_SIZE(spi_resource4), + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + + +static struct resource sdhci_resource1[] = { + [0] = { + .start = INT_SDMMC1, + .end = INT_SDMMC1, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SDMMC1_BASE, + .end = TEGRA_SDMMC1_BASE + TEGRA_SDMMC1_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource sdhci_resource2[] = { + [0] = { + .start = INT_SDMMC2, + .end = INT_SDMMC2, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SDMMC2_BASE, + .end = TEGRA_SDMMC2_BASE + TEGRA_SDMMC2_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource sdhci_resource3[] = { + [0] = { + .start = INT_SDMMC3, + .end = INT_SDMMC3, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SDMMC3_BASE, + .end = TEGRA_SDMMC3_BASE + TEGRA_SDMMC3_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource sdhci_resource4[] = { + [0] = { + .start = INT_SDMMC4, + .end = INT_SDMMC4, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SDMMC4_BASE, + .end = TEGRA_SDMMC4_BASE + TEGRA_SDMMC4_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +/* board files should fill in platform_data register the devices themselvs. + * See board-harmony.c for an example + */ +struct platform_device tegra_sdhci_device1 = { + .name = "sdhci-tegra", + .id = 0, + .resource = sdhci_resource1, + .num_resources = ARRAY_SIZE(sdhci_resource1), +}; + +struct platform_device tegra_sdhci_device2 = { + .name = "sdhci-tegra", + .id = 1, + .resource = sdhci_resource2, + .num_resources = ARRAY_SIZE(sdhci_resource2), +}; + +struct platform_device tegra_sdhci_device3 = { + .name = "sdhci-tegra", + .id = 2, + .resource = sdhci_resource3, + .num_resources = ARRAY_SIZE(sdhci_resource3), +}; + +struct platform_device tegra_sdhci_device4 = { + .name = "sdhci-tegra", + .id = 3, + .resource = sdhci_resource4, + .num_resources = ARRAY_SIZE(sdhci_resource4), +}; + +static struct resource tegra_usb1_resources[] = { + [0] = { + .start = TEGRA_USB_BASE, + .end = TEGRA_USB_BASE + TEGRA_USB_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_USB, + .end = INT_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_usb2_resources[] = { + [0] = { + .start = TEGRA_USB2_BASE, + .end = TEGRA_USB2_BASE + TEGRA_USB2_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_USB2, + .end = INT_USB2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_usb3_resources[] = { + [0] = { + .start = TEGRA_USB3_BASE, + .end = TEGRA_USB3_BASE + TEGRA_USB3_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_USB3, + .end = INT_USB3, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 tegra_ehci_dmamask = DMA_BIT_MASK(32); + +struct platform_device tegra_ehci1_device = { + .name = "tegra-ehci", + .id = 0, + .dev = { + .dma_mask = &tegra_ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = tegra_usb1_resources, + .num_resources = ARRAY_SIZE(tegra_usb1_resources), +}; + +struct platform_device tegra_ehci2_device = { + .name = "tegra-ehci", + .id = 1, + .dev = { + .dma_mask = &tegra_ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = tegra_usb2_resources, + .num_resources = ARRAY_SIZE(tegra_usb2_resources), +}; + +struct platform_device tegra_ehci3_device = { + .name = "tegra-ehci", + .id = 2, + .dev = { + .dma_mask = &tegra_ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = tegra_usb3_resources, + .num_resources = ARRAY_SIZE(tegra_usb3_resources), +}; + +static struct resource tegra_pmu_resources[] = { + [0] = { + .start = INT_CPU0_PMU_INTR, + .end = INT_CPU0_PMU_INTR, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = INT_CPU1_PMU_INTR, + .end = INT_CPU1_PMU_INTR, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device tegra_pmu_device = { + .name = "arm-pmu", + .id = ARM_PMU_DEVICE_CPU, + .num_resources = ARRAY_SIZE(tegra_pmu_resources), + .resource = tegra_pmu_resources, +}; + +static struct resource tegra_uarta_resources[] = { + [0] = { + .start = TEGRA_UARTA_BASE, + .end = TEGRA_UARTA_BASE + TEGRA_UARTA_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_UARTA, + .end = INT_UARTA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_uartb_resources[] = { + [0] = { + .start = TEGRA_UARTB_BASE, + .end = TEGRA_UARTB_BASE + TEGRA_UARTB_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_UARTB, + .end = INT_UARTB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_uartc_resources[] = { + [0] = { + .start = TEGRA_UARTC_BASE, + .end = TEGRA_UARTC_BASE + TEGRA_UARTC_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_UARTC, + .end = INT_UARTC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_uartd_resources[] = { + [0] = { + .start = TEGRA_UARTD_BASE, + .end = TEGRA_UARTD_BASE + TEGRA_UARTD_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_UARTD, + .end = INT_UARTD, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource tegra_uarte_resources[] = { + [0] = { + .start = TEGRA_UARTE_BASE, + .end = TEGRA_UARTE_BASE + TEGRA_UARTE_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_UARTE, + .end = INT_UARTE, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device tegra_uarta_device = { + .name = "tegra_uart", + .id = 0, + .num_resources = ARRAY_SIZE(tegra_uarta_resources), + .resource = tegra_uarta_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device tegra_uartb_device = { + .name = "tegra_uart", + .id = 1, + .num_resources = ARRAY_SIZE(tegra_uartb_resources), + .resource = tegra_uartb_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device tegra_uartc_device = { + .name = "tegra_uart", + .id = 2, + .num_resources = ARRAY_SIZE(tegra_uartc_resources), + .resource = tegra_uartc_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device tegra_uartd_device = { + .name = "tegra_uart", + .id = 3, + .num_resources = ARRAY_SIZE(tegra_uartd_resources), + .resource = tegra_uartd_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device tegra_uarte_device = { + .name = "tegra_uart", + .id = 4, + .num_resources = ARRAY_SIZE(tegra_uarte_resources), + .resource = tegra_uarte_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; diff --git a/arch/arm/mach-tegra/devices.h b/arch/arm/mach-tegra/devices.h new file mode 100644 index 000000000000..888810c37ee9 --- /dev/null +++ b/arch/arm/mach-tegra/devices.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2010,2011 Google, Inc. + * + * Author: + * Colin Cross <ccross@android.com> + * Erik Gilling <ccross@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MACH_TEGRA_DEVICES_H +#define __MACH_TEGRA_DEVICES_H + +#include <linux/platform_device.h> + +extern struct platform_device tegra_sdhci_device1; +extern struct platform_device tegra_sdhci_device2; +extern struct platform_device tegra_sdhci_device3; +extern struct platform_device tegra_sdhci_device4; +extern struct platform_device tegra_i2c_device1; +extern struct platform_device tegra_i2c_device2; +extern struct platform_device tegra_i2c_device3; +extern struct platform_device tegra_i2c_device4; +extern struct platform_device tegra_spi_device1; +extern struct platform_device tegra_spi_device2; +extern struct platform_device tegra_spi_device3; +extern struct platform_device tegra_spi_device4; +extern struct platform_device tegra_ehci1_device; +extern struct platform_device tegra_ehci2_device; +extern struct platform_device tegra_ehci3_device; +extern struct platform_device tegra_uarta_device; +extern struct platform_device tegra_uartb_device; +extern struct platform_device tegra_uartc_device; +extern struct platform_device tegra_uartd_device; +extern struct platform_device tegra_uarte_device; +extern struct platform_device tegra_pmu_device; + +#endif diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index edda6ec5e925..e945ae28ee77 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -27,9 +27,11 @@ #include <linux/err.h> #include <linux/irq.h> #include <linux/delay.h> +#include <linux/clk.h> #include <mach/dma.h> #include <mach/irqs.h> #include <mach/iomap.h> +#include <mach/suspend.h> #define APB_DMA_GEN 0x000 #define GEN_ENABLE (1<<31) @@ -120,17 +122,14 @@ struct tegra_dma_channel { void __iomem *addr; int mode; int irq; - - /* Register shadow */ - u32 csr; - u32 ahb_seq; - u32 ahb_ptr; - u32 apb_seq; - u32 apb_ptr; + int req_transfer_count; }; #define NV_DMA_MAX_CHANNELS 32 +static bool tegra_dma_initialized; +static DEFINE_MUTEX(tegra_dma_lock); + static DECLARE_BITMAP(channel_usage, NV_DMA_MAX_CHANNELS); static struct tegra_dma_channel dma_channels[NV_DMA_MAX_CHANNELS]; @@ -138,7 +137,6 @@ static void tegra_dma_update_hw(struct tegra_dma_channel *ch, struct tegra_dma_req *req); static void tegra_dma_update_hw_partial(struct tegra_dma_channel *ch, struct tegra_dma_req *req); -static void tegra_dma_init_hw(struct tegra_dma_channel *ch); static void tegra_dma_stop(struct tegra_dma_channel *ch); void tegra_dma_flush(struct tegra_dma_channel *ch) @@ -150,6 +148,9 @@ void tegra_dma_dequeue(struct tegra_dma_channel *ch) { struct tegra_dma_req *req; + if (tegra_dma_is_empty(ch)) + return; + req = list_entry(ch->list.next, typeof(*req), node); tegra_dma_dequeue_req(ch, req); @@ -158,10 +159,10 @@ void tegra_dma_dequeue(struct tegra_dma_channel *ch) void tegra_dma_stop(struct tegra_dma_channel *ch) { - unsigned int csr; - unsigned int status; + u32 csr; + u32 status; - csr = ch->csr; + csr = readl(ch->addr + APB_DMA_CHAN_CSR); csr &= ~CSR_IE_EOC; writel(csr, ch->addr + APB_DMA_CHAN_CSR); @@ -175,19 +176,16 @@ void tegra_dma_stop(struct tegra_dma_channel *ch) int tegra_dma_cancel(struct tegra_dma_channel *ch) { - unsigned int csr; + u32 csr; unsigned long irq_flags; spin_lock_irqsave(&ch->lock, irq_flags); while (!list_empty(&ch->list)) list_del(ch->list.next); - csr = ch->csr; + csr = readl(ch->addr + APB_DMA_CHAN_CSR); csr &= ~CSR_REQ_SEL_MASK; csr |= CSR_REQ_SEL_INVALID; - - /* Set the enable as that is not shadowed */ - csr |= CSR_ENB; writel(csr, ch->addr + APB_DMA_CHAN_CSR); tegra_dma_stop(ch); @@ -229,18 +227,15 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, * - Finally stop or program the DMA to the next buffer in the * list. */ - csr = ch->csr; + csr = readl(ch->addr + APB_DMA_CHAN_CSR); csr &= ~CSR_REQ_SEL_MASK; csr |= CSR_REQ_SEL_INVALID; - - /* Set the enable as that is not shadowed */ - csr |= CSR_ENB; writel(csr, ch->addr + APB_DMA_CHAN_CSR); /* Get the transfer count */ status = readl(ch->addr + APB_DMA_CHAN_STA); to_transfer = (status & STA_COUNT_MASK) >> STA_COUNT_SHIFT; - req_transfer_count = (ch->csr & CSR_WCOUNT_MASK) >> CSR_WCOUNT_SHIFT; + req_transfer_count = ch->req_transfer_count; req_transfer_count += 1; to_transfer += 1; @@ -318,6 +313,7 @@ int tegra_dma_enqueue_req(struct tegra_dma_channel *ch, struct tegra_dma_req *req) { unsigned long irq_flags; + struct tegra_dma_req *_req; int start_dma = 0; if (req->size > NV_DMA_MAX_TRASFER_SIZE || @@ -328,6 +324,13 @@ int tegra_dma_enqueue_req(struct tegra_dma_channel *ch, spin_lock_irqsave(&ch->lock, irq_flags); + list_for_each_entry(_req, &ch->list, node) { + if (req == _req) { + spin_unlock_irqrestore(&ch->lock, irq_flags); + return -EEXIST; + } + } + req->bytes_transferred = 0; req->status = 0; req->buffer_status = 0; @@ -348,7 +351,12 @@ EXPORT_SYMBOL(tegra_dma_enqueue_req); struct tegra_dma_channel *tegra_dma_allocate_channel(int mode) { int channel; - struct tegra_dma_channel *ch; + struct tegra_dma_channel *ch = NULL; + + if (WARN_ON(!tegra_dma_initialized)) + return NULL; + + mutex_lock(&tegra_dma_lock); /* first channel is the shared channel */ if (mode & TEGRA_DMA_SHARED) { @@ -357,11 +365,14 @@ struct tegra_dma_channel *tegra_dma_allocate_channel(int mode) channel = find_first_zero_bit(channel_usage, ARRAY_SIZE(dma_channels)); if (channel >= ARRAY_SIZE(dma_channels)) - return NULL; + goto out; } __set_bit(channel, channel_usage); ch = &dma_channels[channel]; ch->mode = mode; + +out: + mutex_unlock(&tegra_dma_lock); return ch; } EXPORT_SYMBOL(tegra_dma_allocate_channel); @@ -371,22 +382,27 @@ void tegra_dma_free_channel(struct tegra_dma_channel *ch) if (ch->mode & TEGRA_DMA_SHARED) return; tegra_dma_cancel(ch); + mutex_lock(&tegra_dma_lock); __clear_bit(ch->id, channel_usage); + mutex_unlock(&tegra_dma_lock); } EXPORT_SYMBOL(tegra_dma_free_channel); static void tegra_dma_update_hw_partial(struct tegra_dma_channel *ch, struct tegra_dma_req *req) { + u32 apb_ptr; + u32 ahb_ptr; + if (req->to_memory) { - ch->apb_ptr = req->source_addr; - ch->ahb_ptr = req->dest_addr; + apb_ptr = req->source_addr; + ahb_ptr = req->dest_addr; } else { - ch->apb_ptr = req->dest_addr; - ch->ahb_ptr = req->source_addr; + apb_ptr = req->dest_addr; + ahb_ptr = req->source_addr; } - writel(ch->apb_ptr, ch->addr + APB_DMA_CHAN_APB_PTR); - writel(ch->ahb_ptr, ch->addr + APB_DMA_CHAN_AHB_PTR); + writel(apb_ptr, ch->addr + APB_DMA_CHAN_APB_PTR); + writel(ahb_ptr, ch->addr + APB_DMA_CHAN_AHB_PTR); req->status = TEGRA_DMA_REQ_INFLIGHT; return; @@ -400,38 +416,39 @@ static void tegra_dma_update_hw(struct tegra_dma_channel *ch, int ahb_bus_width; int apb_bus_width; int index; - unsigned long csr; + u32 ahb_seq; + u32 apb_seq; + u32 ahb_ptr; + u32 apb_ptr; + u32 csr; + + csr = CSR_IE_EOC | CSR_FLOW; + ahb_seq = AHB_SEQ_INTR_ENB | AHB_SEQ_BURST_1; + apb_seq = 0; - ch->csr |= CSR_FLOW; - ch->csr &= ~CSR_REQ_SEL_MASK; - ch->csr |= req->req_sel << CSR_REQ_SEL_SHIFT; - ch->ahb_seq &= ~AHB_SEQ_BURST_MASK; - ch->ahb_seq |= AHB_SEQ_BURST_1; + csr |= req->req_sel << CSR_REQ_SEL_SHIFT; /* One shot mode is always single buffered, * continuous mode is always double buffered * */ if (ch->mode & TEGRA_DMA_MODE_ONESHOT) { - ch->csr |= CSR_ONCE; - ch->ahb_seq &= ~AHB_SEQ_DBL_BUF; - ch->csr &= ~CSR_WCOUNT_MASK; - ch->csr |= ((req->size>>2) - 1) << CSR_WCOUNT_SHIFT; + csr |= CSR_ONCE; + ch->req_transfer_count = (req->size >> 2) - 1; } else { - ch->csr &= ~CSR_ONCE; - ch->ahb_seq |= AHB_SEQ_DBL_BUF; + ahb_seq |= AHB_SEQ_DBL_BUF; /* In double buffered mode, we set the size to half the * requested size and interrupt when half the buffer * is full */ - ch->csr &= ~CSR_WCOUNT_MASK; - ch->csr |= ((req->size>>3) - 1) << CSR_WCOUNT_SHIFT; + ch->req_transfer_count = (req->size >> 3) - 1; } + csr |= ch->req_transfer_count << CSR_WCOUNT_SHIFT; + if (req->to_memory) { - ch->csr &= ~CSR_DIR; - ch->apb_ptr = req->source_addr; - ch->ahb_ptr = req->dest_addr; + apb_ptr = req->source_addr; + ahb_ptr = req->dest_addr; apb_addr_wrap = req->source_wrap; ahb_addr_wrap = req->dest_wrap; @@ -439,9 +456,9 @@ static void tegra_dma_update_hw(struct tegra_dma_channel *ch, ahb_bus_width = req->dest_bus_width; } else { - ch->csr |= CSR_DIR; - ch->apb_ptr = req->dest_addr; - ch->ahb_ptr = req->source_addr; + csr |= CSR_DIR; + apb_ptr = req->dest_addr; + ahb_ptr = req->source_addr; apb_addr_wrap = req->dest_wrap; ahb_addr_wrap = req->source_wrap; @@ -460,8 +477,7 @@ static void tegra_dma_update_hw(struct tegra_dma_channel *ch, index++; } while (index < ARRAY_SIZE(apb_addr_wrap_table)); BUG_ON(index == ARRAY_SIZE(apb_addr_wrap_table)); - ch->apb_seq &= ~APB_SEQ_WRAP_MASK; - ch->apb_seq |= index << APB_SEQ_WRAP_SHIFT; + apb_seq |= index << APB_SEQ_WRAP_SHIFT; /* set address wrap for AHB size */ index = 0; @@ -471,55 +487,42 @@ static void tegra_dma_update_hw(struct tegra_dma_channel *ch, index++; } while (index < ARRAY_SIZE(ahb_addr_wrap_table)); BUG_ON(index == ARRAY_SIZE(ahb_addr_wrap_table)); - ch->ahb_seq &= ~AHB_SEQ_WRAP_MASK; - ch->ahb_seq |= index << AHB_SEQ_WRAP_SHIFT; + ahb_seq |= index << AHB_SEQ_WRAP_SHIFT; for (index = 0; index < ARRAY_SIZE(bus_width_table); index++) { if (bus_width_table[index] == ahb_bus_width) break; } BUG_ON(index == ARRAY_SIZE(bus_width_table)); - ch->ahb_seq &= ~AHB_SEQ_BUS_WIDTH_MASK; - ch->ahb_seq |= index << AHB_SEQ_BUS_WIDTH_SHIFT; + ahb_seq |= index << AHB_SEQ_BUS_WIDTH_SHIFT; for (index = 0; index < ARRAY_SIZE(bus_width_table); index++) { if (bus_width_table[index] == apb_bus_width) break; } BUG_ON(index == ARRAY_SIZE(bus_width_table)); - ch->apb_seq &= ~APB_SEQ_BUS_WIDTH_MASK; - ch->apb_seq |= index << APB_SEQ_BUS_WIDTH_SHIFT; - - ch->csr |= CSR_IE_EOC; + apb_seq |= index << APB_SEQ_BUS_WIDTH_SHIFT; - /* update hw registers with the shadow */ - writel(ch->csr, ch->addr + APB_DMA_CHAN_CSR); - writel(ch->apb_seq, ch->addr + APB_DMA_CHAN_APB_SEQ); - writel(ch->apb_ptr, ch->addr + APB_DMA_CHAN_APB_PTR); - writel(ch->ahb_seq, ch->addr + APB_DMA_CHAN_AHB_SEQ); - writel(ch->ahb_ptr, ch->addr + APB_DMA_CHAN_AHB_PTR); + writel(csr, ch->addr + APB_DMA_CHAN_CSR); + writel(apb_seq, ch->addr + APB_DMA_CHAN_APB_SEQ); + writel(apb_ptr, ch->addr + APB_DMA_CHAN_APB_PTR); + writel(ahb_seq, ch->addr + APB_DMA_CHAN_AHB_SEQ); + writel(ahb_ptr, ch->addr + APB_DMA_CHAN_AHB_PTR); - csr = ch->csr | CSR_ENB; + csr |= CSR_ENB; writel(csr, ch->addr + APB_DMA_CHAN_CSR); req->status = TEGRA_DMA_REQ_INFLIGHT; } -static void tegra_dma_init_hw(struct tegra_dma_channel *ch) -{ - /* One shot with an interrupt to CPU after transfer */ - ch->csr = CSR_ONCE | CSR_IE_EOC; - ch->ahb_seq = AHB_SEQ_BUS_WIDTH_32 | AHB_SEQ_INTR_ENB; - ch->apb_seq = APB_SEQ_BUS_WIDTH_32 | 1 << APB_SEQ_WRAP_SHIFT; -} - static void handle_oneshot_dma(struct tegra_dma_channel *ch) { struct tegra_dma_req *req; + unsigned long irq_flags; - spin_lock(&ch->lock); + spin_lock_irqsave(&ch->lock, irq_flags); if (list_empty(&ch->list)) { - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); return; } @@ -527,8 +530,7 @@ static void handle_oneshot_dma(struct tegra_dma_channel *ch) if (req) { int bytes_transferred; - bytes_transferred = - (ch->csr & CSR_WCOUNT_MASK) >> CSR_WCOUNT_SHIFT; + bytes_transferred = ch->req_transfer_count; bytes_transferred += 1; bytes_transferred <<= 2; @@ -536,12 +538,12 @@ static void handle_oneshot_dma(struct tegra_dma_channel *ch) req->bytes_transferred = bytes_transferred; req->status = TEGRA_DMA_REQ_SUCCESS; - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); /* Callback should be called without any lock */ pr_debug("%s: transferred %d bytes\n", __func__, req->bytes_transferred); req->complete(req); - spin_lock(&ch->lock); + spin_lock_irqsave(&ch->lock, irq_flags); } if (!list_empty(&ch->list)) { @@ -551,22 +553,55 @@ static void handle_oneshot_dma(struct tegra_dma_channel *ch) if (req->status != TEGRA_DMA_REQ_INFLIGHT) tegra_dma_update_hw(ch, req); } - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); } static void handle_continuous_dma(struct tegra_dma_channel *ch) { struct tegra_dma_req *req; + unsigned long irq_flags; - spin_lock(&ch->lock); + spin_lock_irqsave(&ch->lock, irq_flags); if (list_empty(&ch->list)) { - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); return; } req = list_entry(ch->list.next, typeof(*req), node); if (req) { if (req->buffer_status == TEGRA_DMA_REQ_BUF_STATUS_EMPTY) { + bool is_dma_ping_complete; + is_dma_ping_complete = (readl(ch->addr + APB_DMA_CHAN_STA) + & STA_PING_PONG) ? true : false; + if (req->to_memory) + is_dma_ping_complete = !is_dma_ping_complete; + /* Out of sync - Release current buffer */ + if (!is_dma_ping_complete) { + int bytes_transferred; + + bytes_transferred = ch->req_transfer_count; + bytes_transferred += 1; + bytes_transferred <<= 3; + req->buffer_status = TEGRA_DMA_REQ_BUF_STATUS_FULL; + req->bytes_transferred = bytes_transferred; + req->status = TEGRA_DMA_REQ_SUCCESS; + tegra_dma_stop(ch); + + if (!list_is_last(&req->node, &ch->list)) { + struct tegra_dma_req *next_req; + + next_req = list_entry(req->node.next, + typeof(*next_req), node); + tegra_dma_update_hw(ch, next_req); + } + + list_del(&req->node); + + /* DMA lock is NOT held when callbak is called */ + spin_unlock_irqrestore(&ch->lock, irq_flags); + req->complete(req); + return; + } /* Load the next request into the hardware, if available * */ if (!list_is_last(&req->node, &ch->list)) { @@ -579,7 +614,7 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch) req->buffer_status = TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL; req->status = TEGRA_DMA_REQ_SUCCESS; /* DMA lock is NOT held when callback is called */ - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); if (likely(req->threshold)) req->threshold(req); return; @@ -590,8 +625,7 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch) * the second interrupt */ int bytes_transferred; - bytes_transferred = - (ch->csr & CSR_WCOUNT_MASK) >> CSR_WCOUNT_SHIFT; + bytes_transferred = ch->req_transfer_count; bytes_transferred += 1; bytes_transferred <<= 3; @@ -601,7 +635,7 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch) list_del(&req->node); /* DMA lock is NOT held when callbak is called */ - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); req->complete(req); return; @@ -609,7 +643,7 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch) BUG(); } } - spin_unlock(&ch->lock); + spin_unlock_irqrestore(&ch->lock, irq_flags); } static irqreturn_t dma_isr(int irq, void *data) @@ -646,6 +680,21 @@ int __init tegra_dma_init(void) int i; unsigned int irq; void __iomem *addr; + struct clk *c; + + bitmap_fill(channel_usage, NV_DMA_MAX_CHANNELS); + + c = clk_get_sys("tegra-dma", NULL); + if (IS_ERR(c)) { + pr_err("Unable to get clock for APB DMA\n"); + ret = PTR_ERR(c); + goto fail; + } + ret = clk_enable(c); + if (ret != 0) { + pr_err("Unable to enable clock for APB DMA\n"); + goto fail; + } addr = IO_ADDRESS(TEGRA_APB_DMA_BASE); writel(GEN_ENABLE, addr + APB_DMA_GEN); @@ -653,18 +702,9 @@ int __init tegra_dma_init(void) writel(0xFFFFFFFFul >> (31 - TEGRA_SYSTEM_DMA_CH_MAX), addr + APB_DMA_IRQ_MASK_SET); - memset(channel_usage, 0, sizeof(channel_usage)); - memset(dma_channels, 0, sizeof(dma_channels)); - - /* Reserve all the channels we are not supposed to touch */ - for (i = 0; i < TEGRA_SYSTEM_DMA_CH_MIN; i++) - __set_bit(i, channel_usage); - for (i = TEGRA_SYSTEM_DMA_CH_MIN; i <= TEGRA_SYSTEM_DMA_CH_MAX; i++) { struct tegra_dma_channel *ch = &dma_channels[i]; - __clear_bit(i, channel_usage); - ch->id = i; snprintf(ch->name, TEGRA_DMA_NAME_SIZE, "dma_channel_%d", i); @@ -673,7 +713,6 @@ int __init tegra_dma_init(void) spin_lock_init(&ch->lock); INIT_LIST_HEAD(&ch->list); - tegra_dma_init_hw(ch); irq = INT_APB_DMA_CH0 + i; ret = request_threaded_irq(irq, dma_isr, dma_thread_fn, 0, @@ -684,14 +723,15 @@ int __init tegra_dma_init(void) goto fail; } ch->irq = irq; + + __clear_bit(i, channel_usage); } /* mark the shared channel allocated */ __set_bit(TEGRA_SYSTEM_DMA_CH_MIN, channel_usage); - for (i = TEGRA_SYSTEM_DMA_CH_MAX+1; i < NV_DMA_MAX_CHANNELS; i++) - __set_bit(i, channel_usage); + tegra_dma_initialized = true; - return ret; + return 0; fail: writel(0, addr + APB_DMA_GEN); for (i = TEGRA_SYSTEM_DMA_CH_MIN; i <= TEGRA_SYSTEM_DMA_CH_MAX; i++) { @@ -701,6 +741,7 @@ fail: } return ret; } +postcore_initcall(tegra_dma_init); #ifdef CONFIG_PM static u32 apb_dma[5*TEGRA_SYSTEM_DMA_CH_NR + 3]; diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c index bd066206e110..12090a2cf3e0 100644 --- a/arch/arm/mach-tegra/gpio.c +++ b/arch/arm/mach-tegra/gpio.c @@ -25,6 +25,7 @@ #include <linux/gpio.h> #include <mach/iomap.h> +#include <mach/suspend.h> #define GPIO_BANK(x) ((x) >> 5) #define GPIO_PORT(x) (((x) >> 3) & 0x3) @@ -207,9 +208,9 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) spin_unlock_irqrestore(&bank->lvl_lock[port], flags); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __set_irq_handler_unlocked(irq, handle_level_irq); + __set_irq_handler_unlocked(d->irq, handle_level_irq); else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __set_irq_handler_unlocked(irq, handle_edge_irq); + __set_irq_handler_unlocked(d->irq, handle_edge_irq); return 0; } @@ -380,6 +381,20 @@ static int __init tegra_gpio_init(void) postcore_initcall(tegra_gpio_init); +void __init tegra_gpio_config(struct tegra_gpio_table *table, int num) +{ + int i; + + for (i = 0; i < num; i++) { + int gpio = table[i].gpio; + + if (table[i].enable) + tegra_gpio_enable(gpio); + else + tegra_gpio_disable(gpio); + } +} + #ifdef CONFIG_DEBUG_FS #include <linux/debugfs.h> diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h index d7723955dac7..c8baf8f80d23 100644 --- a/arch/arm/mach-tegra/include/mach/clk.h +++ b/arch/arm/mach-tegra/include/mach/clk.h @@ -20,12 +20,12 @@ #ifndef __MACH_CLK_H #define __MACH_CLK_H +struct clk; + void tegra_periph_reset_deassert(struct clk *c); void tegra_periph_reset_assert(struct clk *c); -int clk_enable_cansleep(struct clk *clk); -void clk_disable_cansleep(struct clk *clk); -int clk_set_rate_cansleep(struct clk *clk, unsigned long rate); -int clk_set_parent_cansleep(struct clk *clk, struct clk *parent); +unsigned long clk_get_rate_all_locked(struct clk *c); +void tegra_sdmmc_tap_delay(struct clk *c, int delay); #endif diff --git a/arch/arm/mach-tegra/include/mach/clkdev.h b/arch/arm/mach-tegra/include/mach/clkdev.h index 412f5c63e65a..66cd3f4fc896 100644 --- a/arch/arm/mach-tegra/include/mach/clkdev.h +++ b/arch/arm/mach-tegra/include/mach/clkdev.h @@ -20,6 +20,8 @@ #ifndef __MACH_CLKDEV_H #define __MACH_CLKDEV_H +struct clk; + static inline int __clk_get(struct clk *clk) { return 1; diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S index a0e7c12868bd..e0ebe65c1657 100644 --- a/arch/arm/mach-tegra/include/mach/debug-macro.S +++ b/arch/arm/mach-tegra/include/mach/debug-macro.S @@ -19,30 +19,15 @@ */ #include <mach/io.h> +#include <mach/iomap.h> .macro addruart, rp, rv ldr \rp, =IO_APB_PHYS @ physical ldr \rv, =IO_APB_VIRT @ virtual -#if defined(CONFIG_TEGRA_DEBUG_UART_NONE) -#error "A debug UART must be selected in the kernel config to use DEBUG_LL" -#elif defined(CONFIG_TEGRA_DEBUG_UARTA) - orr \rp, \rp, #0x6000 - orr \rv, \rv, #0x6000 -#elif defined(CONFIG_TEGRA_DEBUG_UARTB) - orr \rp, \rp, #0x6000 - orr \rp, \rp, #0x40 - orr \rv, \rv, #0x6000 - orr \rv, \rv, #0x40 -#elif defined(CONFIG_TEGRA_DEBUG_UARTC) - orr \rp, \rp, #0x6200 - orr \rv, \rv, #0x6200 -#elif defined(CONFIG_TEGRA_DEBUG_UARTD) - orr \rp, \rp, #0x6300 - orr \rv, \rv, #0x6300 -#elif defined(CONFIG_TEGRA_DEBUG_UARTE) - orr \rp, \rp, #0x6400 - orr \rv, \rv, #0x6400 -#endif + orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF) + orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF00) + orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF) + orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF00) .endm #define UART_SHIFT 2 diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h index e31f486d69a2..196f114dc241 100644 --- a/arch/arm/mach-tegra/include/mach/gpio.h +++ b/arch/arm/mach-tegra/include/mach/gpio.h @@ -20,6 +20,7 @@ #ifndef __MACH_TEGRA_GPIO_H #define __MACH_TEGRA_GPIO_H +#include <linux/init.h> #include <mach/irqs.h> #define TEGRA_NR_GPIOS INT_GPIO_NR @@ -31,7 +32,7 @@ #define gpio_cansleep __gpio_cansleep #define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio)) -#define TEGRA_IRQ_TO_GPIO(irq) ((gpio) - INT_GPIO_BASE) +#define TEGRA_IRQ_TO_GPIO(irq) ((irq) - INT_GPIO_BASE) static inline int gpio_to_irq(unsigned int gpio) { @@ -47,6 +48,12 @@ static inline int irq_to_gpio(unsigned int irq) return -EINVAL; } +struct tegra_gpio_table { + int gpio; /* GPIO number */ + bool enable; /* Enable for GPIO at init? */ +}; + +void tegra_gpio_config(struct tegra_gpio_table *table, int num); void tegra_gpio_enable(int gpio); void tegra_gpio_disable(int gpio); diff --git a/arch/arm/mach-tegra/include/mach/harmony_audio.h b/arch/arm/mach-tegra/include/mach/harmony_audio.h new file mode 100644 index 000000000000..af086500ab7d --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/harmony_audio.h @@ -0,0 +1,22 @@ +/* + * arch/arm/mach-tegra/include/mach/harmony_audio.h + * + * Copyright 2011 NVIDIA, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +struct harmony_audio_platform_data { + int gpio_spkr_en; + int gpio_hp_det; + int gpio_int_mic_en; + int gpio_ext_mic_en; +}; diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h index 44a4f4bcf91f..691cdabd69cf 100644 --- a/arch/arm/mach-tegra/include/mach/iomap.h +++ b/arch/arm/mach-tegra/include/mach/iomap.h @@ -26,6 +26,9 @@ #define TEGRA_IRAM_BASE 0x40000000 #define TEGRA_IRAM_SIZE SZ_256K +#define TEGRA_HOST1X_BASE 0x50000000 +#define TEGRA_HOST1X_SIZE 0x24000 + #define TEGRA_ARM_PERIF_BASE 0x50040000 #define TEGRA_ARM_PERIF_SIZE SZ_8K @@ -35,12 +38,30 @@ #define TEGRA_ARM_INT_DIST_BASE 0x50041000 #define TEGRA_ARM_INT_DIST_SIZE SZ_4K +#define TEGRA_MPE_BASE 0x54040000 +#define TEGRA_MPE_SIZE SZ_256K + +#define TEGRA_VI_BASE 0x54080000 +#define TEGRA_VI_SIZE SZ_256K + +#define TEGRA_ISP_BASE 0x54100000 +#define TEGRA_ISP_SIZE SZ_256K + #define TEGRA_DISPLAY_BASE 0x54200000 #define TEGRA_DISPLAY_SIZE SZ_256K #define TEGRA_DISPLAY2_BASE 0x54240000 #define TEGRA_DISPLAY2_SIZE SZ_256K +#define TEGRA_HDMI_BASE 0x54280000 +#define TEGRA_HDMI_SIZE SZ_256K + +#define TEGRA_GART_BASE 0x58000000 +#define TEGRA_GART_SIZE SZ_32M + +#define TEGRA_RES_SEMA_BASE 0x60001000 +#define TEGRA_RES_SEMA_SIZE SZ_4K + #define TEGRA_PRIMARY_ICTLR_BASE 0x60004000 #define TEGRA_PRIMARY_ICTLR_SIZE SZ_64 @@ -140,6 +161,18 @@ #define TEGRA_PWFM_BASE 0x7000A000 #define TEGRA_PWFM_SIZE SZ_256 +#define TEGRA_PWFM0_BASE 0x7000A000 +#define TEGRA_PWFM0_SIZE 4 + +#define TEGRA_PWFM1_BASE 0x7000A010 +#define TEGRA_PWFM1_SIZE 4 + +#define TEGRA_PWFM2_BASE 0x7000A020 +#define TEGRA_PWFM2_SIZE 4 + +#define TEGRA_PWFM3_BASE 0x7000A030 +#define TEGRA_PWFM3_SIZE 4 + #define TEGRA_MIPI_BASE 0x7000B000 #define TEGRA_MIPI_SIZE SZ_256 @@ -221,4 +254,18 @@ #define TEGRA_SDMMC4_BASE 0xC8000600 #define TEGRA_SDMMC4_SIZE SZ_512 +#if defined(CONFIG_TEGRA_DEBUG_UART_NONE) +# define TEGRA_DEBUG_UART_BASE 0 +#elif defined(CONFIG_TEGRA_DEBUG_UARTA) +# define TEGRA_DEBUG_UART_BASE TEGRA_UARTA_BASE +#elif defined(CONFIG_TEGRA_DEBUG_UARTB) +# define TEGRA_DEBUG_UART_BASE TEGRA_UARTB_BASE +#elif defined(CONFIG_TEGRA_DEBUG_UARTC) +# define TEGRA_DEBUG_UART_BASE TEGRA_UARTC_BASE +#elif defined(CONFIG_TEGRA_DEBUG_UARTD) +# define TEGRA_DEBUG_UART_BASE TEGRA_UARTD_BASE +#elif defined(CONFIG_TEGRA_DEBUG_UARTE) +# define TEGRA_DEBUG_UART_BASE TEGRA_UARTE_BASE +#endif + #endif diff --git a/arch/arm/mach-tegra/include/mach/irqs.h b/arch/arm/mach-tegra/include/mach/irqs.h index 71bbf3422953..73265af4dda3 100644 --- a/arch/arm/mach-tegra/include/mach/irqs.h +++ b/arch/arm/mach-tegra/include/mach/irqs.h @@ -88,7 +88,7 @@ #define INT_SYS_STATS_MON (INT_SEC_BASE + 22) #define INT_GPIO5 (INT_SEC_BASE + 23) #define INT_CPU0_PMU_INTR (INT_SEC_BASE + 24) -#define INT_CPU2_PMU_INTR (INT_SEC_BASE + 25) +#define INT_CPU1_PMU_INTR (INT_SEC_BASE + 25) #define INT_SEC_RES_26 (INT_SEC_BASE + 26) #define INT_S_LINK1 (INT_SEC_BASE + 27) #define INT_APB_DMA_COP (INT_SEC_BASE + 28) @@ -166,10 +166,18 @@ #define INT_QUAD_RES_30 (INT_QUAD_BASE + 30) #define INT_QUAD_RES_31 (INT_QUAD_BASE + 31) -#define INT_GPIO_BASE (INT_QUAD_BASE + 32) +#define INT_MAIN_NR (INT_QUAD_BASE + 32 - INT_PRI_BASE) + +#define INT_GPIO_BASE (INT_PRI_BASE + INT_MAIN_NR) + #define INT_GPIO_NR (28 * 8) -#define NR_IRQS (INT_GPIO_BASE + INT_GPIO_NR) +#define TEGRA_NR_IRQS (INT_GPIO_BASE + INT_GPIO_NR) + +#define INT_BOARD_BASE TEGRA_NR_IRQS +#define NR_BOARD_IRQS 32 + +#define NR_IRQS (INT_BOARD_BASE + NR_BOARD_IRQS) #endif #endif diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h new file mode 100644 index 000000000000..04c779832c78 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/kbc.h @@ -0,0 +1,62 @@ +/* + * Platform definitions for tegra-kbc keyboard input driver + * + * Copyright (c) 2010-2011, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef ASMARM_ARCH_TEGRA_KBC_H +#define ASMARM_ARCH_TEGRA_KBC_H + +#include <linux/types.h> +#include <linux/input/matrix_keypad.h> + +#ifdef CONFIG_ARCH_TEGRA_2x_SOC +#define KBC_MAX_GPIO 24 +#define KBC_MAX_KPENT 8 +#else +#define KBC_MAX_GPIO 20 +#define KBC_MAX_KPENT 7 +#endif + +#define KBC_MAX_ROW 16 +#define KBC_MAX_COL 8 +#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL) + +struct tegra_kbc_pin_cfg { + bool is_row; + unsigned char num; +}; + +struct tegra_kbc_wake_key { + u8 row:4; + u8 col:4; +}; + +struct tegra_kbc_platform_data { + unsigned int debounce_cnt; + unsigned int repeat_cnt; + + unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */ + const struct tegra_kbc_wake_key *wake_cfg; + + struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO]; + const struct matrix_keymap_data *keymap_data; + + bool wakeup; + bool use_fn_map; +}; +#endif diff --git a/arch/arm/mach-tegra/include/mach/legacy_irq.h b/arch/arm/mach-tegra/include/mach/legacy_irq.h index db1eb3dd04c8..d898c0e3d905 100644 --- a/arch/arm/mach-tegra/include/mach/legacy_irq.h +++ b/arch/arm/mach-tegra/include/mach/legacy_irq.h @@ -27,5 +27,9 @@ int tegra_legacy_force_irq_status(unsigned int irq); void tegra_legacy_select_fiq(unsigned int irq, bool fiq); unsigned long tegra_legacy_vfiq(int nr); unsigned long tegra_legacy_class(int nr); +int tegra_legacy_irq_set_wake(int irq, int enable); +void tegra_legacy_irq_set_lp1_wake_mask(void); +void tegra_legacy_irq_restore_mask(void); +void tegra_init_legacy_irq(void); #endif diff --git a/arch/arm/mach-tegra/include/mach/memory.h b/arch/arm/mach-tegra/include/mach/memory.h index 6151bab62af2..537db3aa81a7 100644 --- a/arch/arm/mach-tegra/include/mach/memory.h +++ b/arch/arm/mach-tegra/include/mach/memory.h @@ -22,7 +22,7 @@ #define __MACH_TEGRA_MEMORY_H /* physical offset of RAM */ -#define PHYS_OFFSET UL(0) +#define PLAT_PHYS_OFFSET UL(0) #endif diff --git a/arch/arm/mach-tegra/include/mach/pinmux-t2.h b/arch/arm/mach-tegra/include/mach/pinmux-t2.h index e5b9d740f973..4c2626347263 100644 --- a/arch/arm/mach-tegra/include/mach/pinmux-t2.h +++ b/arch/arm/mach-tegra/include/mach/pinmux-t2.h @@ -167,6 +167,16 @@ enum tegra_drive_pingroup { TEGRA_DRIVE_PINGROUP_XM2D, TEGRA_DRIVE_PINGROUP_XM2CLK, TEGRA_DRIVE_PINGROUP_MEMCOMP, + TEGRA_DRIVE_PINGROUP_SDIO1, + TEGRA_DRIVE_PINGROUP_CRT, + TEGRA_DRIVE_PINGROUP_DDC, + TEGRA_DRIVE_PINGROUP_GMA, + TEGRA_DRIVE_PINGROUP_GMB, + TEGRA_DRIVE_PINGROUP_GMC, + TEGRA_DRIVE_PINGROUP_GMD, + TEGRA_DRIVE_PINGROUP_GME, + TEGRA_DRIVE_PINGROUP_OWR, + TEGRA_DRIVE_PINGROUP_UAD, TEGRA_MAX_DRIVE_PINGROUP, }; diff --git a/arch/arm/mach-tegra/include/mach/powergate.h b/arch/arm/mach-tegra/include/mach/powergate.h new file mode 100644 index 000000000000..401d1b725291 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/powergate.h @@ -0,0 +1,40 @@ +/* + * drivers/regulator/tegra-regulator.c + * + * Copyright (c) 2010 Google, Inc + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _MACH_TEGRA_POWERGATE_H_ +#define _MACH_TEGRA_POWERGATE_H_ + +#define TEGRA_POWERGATE_CPU 0 +#define TEGRA_POWERGATE_3D 1 +#define TEGRA_POWERGATE_VENC 2 +#define TEGRA_POWERGATE_PCIE 3 +#define TEGRA_POWERGATE_VDEC 4 +#define TEGRA_POWERGATE_L2 5 +#define TEGRA_POWERGATE_MPE 6 +#define TEGRA_NUM_POWERGATE 7 + +int tegra_powergate_power_on(int id); +int tegra_powergate_power_off(int id); +bool tegra_powergate_is_powered(int id); +int tegra_powergate_remove_clamping(int id); + +/* Must be called with clk disabled, and returns with clk enabled */ +int tegra_powergate_sequence_power_up(int id, struct clk *clk); + +#endif /* _MACH_TEGRA_POWERGATE_H_ */ diff --git a/arch/arm/mach-tegra/include/mach/suspend.h b/arch/arm/mach-tegra/include/mach/suspend.h new file mode 100644 index 000000000000..5af8715d2e1e --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/suspend.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-tegra/include/mach/suspend.h + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + + +#ifndef _MACH_TEGRA_SUSPEND_H_ +#define _MACH_TEGRA_SUSPEND_H_ + +void tegra_pinmux_suspend(void); +void tegra_irq_suspend(void); +void tegra_gpio_suspend(void); +void tegra_clk_suspend(void); +void tegra_dma_suspend(void); +void tegra_timer_suspend(void); + +void tegra_pinmux_resume(void); +void tegra_irq_resume(void); +void tegra_gpio_resume(void); +void tegra_clk_resume(void); +void tegra_dma_resume(void); +void tegra_timer_resume(void); + +#endif /* _MACH_TEGRA_SUSPEND_H_ */ diff --git a/arch/arm/mach-tegra/include/mach/system.h b/arch/arm/mach-tegra/include/mach/system.h index 84d5d46113f7..d0183d876c3b 100644 --- a/arch/arm/mach-tegra/include/mach/system.h +++ b/arch/arm/mach-tegra/include/mach/system.h @@ -24,16 +24,10 @@ #include <mach/hardware.h> #include <mach/iomap.h> -static inline void arch_idle(void) -{ -} +extern void (*arch_reset)(char mode, const char *cmd); -static inline void arch_reset(char mode, const char *cmd) +static inline void arch_idle(void) { - void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04); - u32 reg = readl(reset); - reg |= 0x04; - writel(reg, reset); } #endif diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h index 6c4dd815abd7..4e8323770c79 100644 --- a/arch/arm/mach-tegra/include/mach/uncompress.h +++ b/arch/arm/mach-tegra/include/mach/uncompress.h @@ -26,23 +26,9 @@ #include <mach/iomap.h> -#if defined(CONFIG_TEGRA_DEBUG_UARTA) -#define DEBUG_UART_BASE TEGRA_UARTA_BASE -#elif defined(CONFIG_TEGRA_DEBUG_UARTB) -#define DEBUG_UART_BASE TEGRA_UARTB_BASE -#elif defined(CONFIG_TEGRA_DEBUG_UARTC) -#define DEBUG_UART_BASE TEGRA_UARTC_BASE -#elif defined(CONFIG_TEGRA_DEBUG_UARTD) -#define DEBUG_UART_BASE TEGRA_UARTD_BASE -#elif defined(CONFIG_TEGRA_DEBUG_UARTE) -#define DEBUG_UART_BASE TEGRA_UARTE_BASE -#else -#define DEBUG_UART_BASE NULL -#endif - static void putc(int c) { - volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE; + volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; int shift = 2; if (uart == NULL) @@ -59,7 +45,7 @@ static inline void flush(void) static inline void arch_decomp_setup(void) { - volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE; + volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; int shift = 2; if (uart == NULL) diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h new file mode 100644 index 000000000000..d4b8f9e298a8 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/usb_phy.h @@ -0,0 +1,86 @@ +/* + * arch/arm/mach-tegra/include/mach/usb_phy.h + * + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MACH_USB_PHY_H +#define __MACH_USB_PHY_H + +#include <linux/clk.h> +#include <linux/usb/otg.h> + +struct tegra_utmip_config { + u8 hssync_start_delay; + u8 elastic_limit; + u8 idle_wait_delay; + u8 term_range_adj; + u8 xcvr_setup; + u8 xcvr_lsfslew; + u8 xcvr_lsrslew; +}; + +struct tegra_ulpi_config { + int reset_gpio; + const char *clk; +}; + +enum tegra_usb_phy_port_speed { + TEGRA_USB_PHY_PORT_SPEED_FULL = 0, + TEGRA_USB_PHY_PORT_SPEED_LOW, + TEGRA_USB_PHY_PORT_SPEED_HIGH, +}; + +enum tegra_usb_phy_mode { + TEGRA_USB_PHY_MODE_DEVICE, + TEGRA_USB_PHY_MODE_HOST, +}; + +struct tegra_xtal_freq; + +struct tegra_usb_phy { + int instance; + const struct tegra_xtal_freq *freq; + void __iomem *regs; + void __iomem *pad_regs; + struct clk *clk; + struct clk *pll_u; + struct clk *pad_clk; + enum tegra_usb_phy_mode mode; + void *config; + struct otg_transceiver *ulpi; +}; + +struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, + void *config, enum tegra_usb_phy_mode phy_mode); + +int tegra_usb_phy_power_on(struct tegra_usb_phy *phy); + +void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy); + +void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy); + +void tegra_usb_phy_power_off(struct tegra_usb_phy *phy); + +void tegra_usb_phy_preresume(struct tegra_usb_phy *phy); + +void tegra_usb_phy_postresume(struct tegra_usb_phy *phy); + +void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy, + enum tegra_usb_phy_port_speed port_speed); + +void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy); + +void tegra_usb_phy_close(struct tegra_usb_phy *phy); + +#endif /* __MACH_USB_PHY_H */ diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c index de7dfad6f769..dfbc219ea492 100644 --- a/arch/arm/mach-tegra/irq.c +++ b/arch/arm/mach-tegra/irq.c @@ -18,6 +18,7 @@ */ #include <linux/kernel.h> +#include <linux/delay.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -26,146 +27,135 @@ #include <asm/hardware/gic.h> #include <mach/iomap.h> +#include <mach/legacy_irq.h> +#include <mach/suspend.h> #include "board.h" -#define INT_SYS_NR (INT_GPIO_BASE - INT_PRI_BASE) -#define INT_SYS_SZ (INT_SEC_BASE - INT_PRI_BASE) -#define PPI_NR ((INT_SYS_NR+INT_SYS_SZ-1)/INT_SYS_SZ) +#define PMC_CTRL 0x0 +#define PMC_CTRL_LATCH_WAKEUPS (1 << 5) +#define PMC_WAKE_MASK 0xc +#define PMC_WAKE_LEVEL 0x10 +#define PMC_WAKE_STATUS 0x14 +#define PMC_SW_WAKE_STATUS 0x18 +#define PMC_DPD_SAMPLE 0x20 -#define APBDMA_IRQ_STA_CPU 0x14 -#define APBDMA_IRQ_MASK_SET 0x20 -#define APBDMA_IRQ_MASK_CLR 0x24 +static void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); -#define ICTLR_CPU_IER 0x20 -#define ICTLR_CPU_IER_SET 0x24 -#define ICTLR_CPU_IER_CLR 0x28 -#define ICTLR_CPU_IEP_CLASS 0x2c -#define ICTLR_COP_IER 0x30 -#define ICTLR_COP_IER_SET 0x34 -#define ICTLR_COP_IER_CLR 0x38 -#define ICTLR_COP_IEP_CLASS 0x3c +static u32 tegra_lp0_wake_enb; +static u32 tegra_lp0_wake_level; +static u32 tegra_lp0_wake_level_any; -static void (*gic_mask_irq)(struct irq_data *d); -static void (*gic_unmask_irq)(struct irq_data *d); +static void (*tegra_gic_mask_irq)(struct irq_data *d); +static void (*tegra_gic_unmask_irq)(struct irq_data *d); +static void (*tegra_gic_ack_irq)(struct irq_data *d); -#define irq_to_ictlr(irq) (((irq)-32) >> 5) -static void __iomem *tegra_ictlr_base = IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE); -#define ictlr_to_virt(ictlr) (tegra_ictlr_base + (ictlr)*0x100) +/* ensures that sufficient time is passed for a register write to + * serialize into the 32KHz domain */ +static void pmc_32kwritel(u32 val, unsigned long offs) +{ + writel(val, pmc + offs); + udelay(130); +} + +int tegra_set_lp1_wake(int irq, int enable) +{ + return tegra_legacy_irq_set_wake(irq, enable); +} + +void tegra_set_lp0_wake_pads(u32 wake_enb, u32 wake_level, u32 wake_any) +{ + u32 temp; + u32 status; + u32 lvl; + + wake_level &= wake_enb; + wake_any &= wake_enb; + + wake_level |= (tegra_lp0_wake_level & tegra_lp0_wake_enb); + wake_any |= (tegra_lp0_wake_level_any & tegra_lp0_wake_enb); + + wake_enb |= tegra_lp0_wake_enb; + + pmc_32kwritel(0, PMC_SW_WAKE_STATUS); + temp = readl(pmc + PMC_CTRL); + temp |= PMC_CTRL_LATCH_WAKEUPS; + pmc_32kwritel(temp, PMC_CTRL); + temp &= ~PMC_CTRL_LATCH_WAKEUPS; + pmc_32kwritel(temp, PMC_CTRL); + status = readl(pmc + PMC_SW_WAKE_STATUS); + lvl = readl(pmc + PMC_WAKE_LEVEL); + + /* flip the wakeup trigger for any-edge triggered pads + * which are currently asserting as wakeups */ + lvl ^= status; + lvl &= wake_any; + + wake_level |= lvl; + + writel(wake_level, pmc + PMC_WAKE_LEVEL); + /* Enable DPD sample to trigger sampling pads data and direction + * in which pad will be driven during lp0 mode*/ + writel(0x1, pmc + PMC_DPD_SAMPLE); + + writel(wake_enb, pmc + PMC_WAKE_MASK); +} static void tegra_mask(struct irq_data *d) { - void __iomem *addr = ictlr_to_virt(irq_to_ictlr(d->irq)); - gic_mask_irq(d); - writel(1<<(d->irq&31), addr+ICTLR_CPU_IER_CLR); + tegra_gic_mask_irq(d); + tegra_legacy_mask_irq(d->irq); } static void tegra_unmask(struct irq_data *d) { - void __iomem *addr = ictlr_to_virt(irq_to_ictlr(d->irq)); - gic_unmask_irq(d); - writel(1<<(d->irq&31), addr+ICTLR_CPU_IER_SET); + tegra_gic_unmask_irq(d); + tegra_legacy_unmask_irq(d->irq); } -#ifdef CONFIG_PM +static void tegra_ack(struct irq_data *d) +{ + tegra_legacy_force_irq_clr(d->irq); + tegra_gic_ack_irq(d); +} -static int tegra_set_wake(struct irq_data *d, unsigned int on) +static int tegra_retrigger(struct irq_data *d) { - return 0; + tegra_legacy_force_irq_set(d->irq); + return 1; } -#endif static struct irq_chip tegra_irq = { - .name = "PPI", - .irq_mask = tegra_mask, - .irq_unmask = tegra_unmask, -#ifdef CONFIG_PM - .irq_set_wake = tegra_set_wake, -#endif + .name = "PPI", + .irq_ack = tegra_ack, + .irq_mask = tegra_mask, + .irq_unmask = tegra_unmask, + .irq_retrigger = tegra_retrigger, }; void __init tegra_init_irq(void) { struct irq_chip *gic; unsigned int i; + int irq; - for (i = 0; i < PPI_NR; i++) { - writel(~0, ictlr_to_virt(i) + ICTLR_CPU_IER_CLR); - writel(0, ictlr_to_virt(i) + ICTLR_CPU_IEP_CLASS); - } + tegra_init_legacy_irq(); gic_init(0, 29, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE), IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100)); gic = get_irq_chip(29); - gic_unmask_irq = gic->irq_unmask; - gic_mask_irq = gic->irq_mask; - tegra_irq.irq_ack = gic->irq_ack; + tegra_gic_unmask_irq = gic->irq_unmask; + tegra_gic_mask_irq = gic->irq_mask; + tegra_gic_ack_irq = gic->irq_ack; #ifdef CONFIG_SMP tegra_irq.irq_set_affinity = gic->irq_set_affinity; #endif - for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) { - set_irq_chip(i, &tegra_irq); - set_irq_handler(i, handle_level_irq); - set_irq_flags(i, IRQF_VALID); + for (i = 0; i < INT_MAIN_NR; i++) { + irq = INT_PRI_BASE + i; + set_irq_chip(irq, &tegra_irq); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); } } - -#ifdef CONFIG_PM -static u32 cop_ier[PPI_NR]; -static u32 cpu_ier[PPI_NR]; -static u32 cpu_iep[PPI_NR]; - -void tegra_irq_suspend(void) -{ - unsigned long flags; - int i; - - for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) { - struct irq_desc *desc = irq_to_desc(i); - if (!desc) - continue; - if (desc->status & IRQ_WAKEUP) { - pr_debug("irq %d is wakeup\n", i); - continue; - } - disable_irq(i); - } - - local_irq_save(flags); - for (i = 0; i < PPI_NR; i++) { - void __iomem *ictlr = ictlr_to_virt(i); - cpu_ier[i] = readl(ictlr + ICTLR_CPU_IER); - cpu_iep[i] = readl(ictlr + ICTLR_CPU_IEP_CLASS); - cop_ier[i] = readl(ictlr + ICTLR_COP_IER); - writel(~0, ictlr + ICTLR_COP_IER_CLR); - } - local_irq_restore(flags); -} - -void tegra_irq_resume(void) -{ - unsigned long flags; - int i; - - local_irq_save(flags); - for (i = 0; i < PPI_NR; i++) { - void __iomem *ictlr = ictlr_to_virt(i); - writel(cpu_iep[i], ictlr + ICTLR_CPU_IEP_CLASS); - writel(~0ul, ictlr + ICTLR_CPU_IER_CLR); - writel(cpu_ier[i], ictlr + ICTLR_CPU_IER_SET); - writel(0, ictlr + ICTLR_COP_IEP_CLASS); - writel(~0ul, ictlr + ICTLR_COP_IER_CLR); - writel(cop_ier[i], ictlr + ICTLR_COP_IER_SET); - } - local_irq_restore(flags); - - for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) { - struct irq_desc *desc = irq_to_desc(i); - if (!desc || (desc->status & IRQ_WAKEUP)) - continue; - enable_irq(i); - } -} -#endif diff --git a/arch/arm/mach-tegra/legacy_irq.c b/arch/arm/mach-tegra/legacy_irq.c index 7cc8601c19ff..38eb719a4f53 100644 --- a/arch/arm/mach-tegra/legacy_irq.c +++ b/arch/arm/mach-tegra/legacy_irq.c @@ -18,17 +18,30 @@ #include <linux/io.h> #include <linux/kernel.h> #include <mach/iomap.h> +#include <mach/irqs.h> #include <mach/legacy_irq.h> -#define ICTLR_CPU_IER 0x20 -#define ICTLR_CPU_IER_SET 0x24 -#define ICTLR_CPU_IER_CLR 0x28 -#define ICTLR_CPU_IEP_CLASS 0x2C +#define INT_SYS_NR (INT_GPIO_BASE - INT_PRI_BASE) +#define INT_SYS_SZ (INT_SEC_BASE - INT_PRI_BASE) +#define PPI_NR ((INT_SYS_NR+INT_SYS_SZ-1)/INT_SYS_SZ) + #define ICTLR_CPU_IEP_VFIQ 0x08 #define ICTLR_CPU_IEP_FIR 0x14 #define ICTLR_CPU_IEP_FIR_SET 0x18 #define ICTLR_CPU_IEP_FIR_CLR 0x1c +#define ICTLR_CPU_IER 0x20 +#define ICTLR_CPU_IER_SET 0x24 +#define ICTLR_CPU_IER_CLR 0x28 +#define ICTLR_CPU_IEP_CLASS 0x2C + +#define ICTLR_COP_IER 0x30 +#define ICTLR_COP_IER_SET 0x34 +#define ICTLR_COP_IER_CLR 0x38 +#define ICTLR_COP_IEP_CLASS 0x3c + +#define NUM_ICTLRS 4 + static void __iomem *ictlr_reg_base[] = { IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE), IO_ADDRESS(TEGRA_SECONDARY_ICTLR_BASE), @@ -36,6 +49,9 @@ static void __iomem *ictlr_reg_base[] = { IO_ADDRESS(TEGRA_QUATERNARY_ICTLR_BASE), }; +static u32 tegra_legacy_wake_mask[4]; +static u32 tegra_legacy_saved_mask[4]; + /* When going into deep sleep, the CPU is powered down, taking the GIC with it In order to wake, the wake interrupts need to be enabled in the legacy interrupt controller. */ @@ -112,3 +128,88 @@ unsigned long tegra_legacy_class(int nr) base = ictlr_reg_base[nr]; return readl(base + ICTLR_CPU_IEP_CLASS); } + +int tegra_legacy_irq_set_wake(int irq, int enable) +{ + irq -= 32; + if (enable) + tegra_legacy_wake_mask[irq >> 5] |= 1 << (irq & 31); + else + tegra_legacy_wake_mask[irq >> 5] &= ~(1 << (irq & 31)); + + return 0; +} + +void tegra_legacy_irq_set_lp1_wake_mask(void) +{ + void __iomem *base; + int i; + + for (i = 0; i < NUM_ICTLRS; i++) { + base = ictlr_reg_base[i]; + tegra_legacy_saved_mask[i] = readl(base + ICTLR_CPU_IER); + writel(tegra_legacy_wake_mask[i], base + ICTLR_CPU_IER); + } +} + +void tegra_legacy_irq_restore_mask(void) +{ + void __iomem *base; + int i; + + for (i = 0; i < NUM_ICTLRS; i++) { + base = ictlr_reg_base[i]; + writel(tegra_legacy_saved_mask[i], base + ICTLR_CPU_IER); + } +} + +void tegra_init_legacy_irq(void) +{ + int i; + + for (i = 0; i < NUM_ICTLRS; i++) { + void __iomem *ictlr = ictlr_reg_base[i]; + writel(~0, ictlr + ICTLR_CPU_IER_CLR); + writel(0, ictlr + ICTLR_CPU_IEP_CLASS); + } +} + +#ifdef CONFIG_PM +static u32 cop_ier[NUM_ICTLRS]; +static u32 cpu_ier[NUM_ICTLRS]; +static u32 cpu_iep[NUM_ICTLRS]; + +void tegra_irq_suspend(void) +{ + unsigned long flags; + int i; + + local_irq_save(flags); + for (i = 0; i < NUM_ICTLRS; i++) { + void __iomem *ictlr = ictlr_reg_base[i]; + cpu_ier[i] = readl(ictlr + ICTLR_CPU_IER); + cpu_iep[i] = readl(ictlr + ICTLR_CPU_IEP_CLASS); + cop_ier[i] = readl(ictlr + ICTLR_COP_IER); + writel(~0, ictlr + ICTLR_COP_IER_CLR); + } + local_irq_restore(flags); +} + +void tegra_irq_resume(void) +{ + unsigned long flags; + int i; + + local_irq_save(flags); + for (i = 0; i < NUM_ICTLRS; i++) { + void __iomem *ictlr = ictlr_reg_base[i]; + writel(cpu_iep[i], ictlr + ICTLR_CPU_IEP_CLASS); + writel(~0ul, ictlr + ICTLR_CPU_IER_CLR); + writel(cpu_ier[i], ictlr + ICTLR_CPU_IER_SET); + writel(0, ictlr + ICTLR_COP_IEP_CLASS); + writel(~0ul, ictlr + ICTLR_COP_IER_CLR); + writel(cop_ier[i], ictlr + ICTLR_COP_IER_SET); + } + local_irq_restore(flags); +} +#endif diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index 53f5fa37014a..2941212b853c 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -39,6 +39,7 @@ #include <mach/pinmux.h> #include <mach/iomap.h> #include <mach/clk.h> +#include <mach/powergate.h> /* register definitions */ #define AFI_OFFSET 0x3800 @@ -682,24 +683,41 @@ static void tegra_pcie_xclk_clamp(bool clamp) pmc_writel(reg, PMC_SCRATCH42); } -static int tegra_pcie_power_on(void) +static void tegra_pcie_power_off(void) { - tegra_pcie_xclk_clamp(true); tegra_periph_reset_assert(tegra_pcie.pcie_xclk); - tegra_pcie_xclk_clamp(false); + tegra_periph_reset_assert(tegra_pcie.afi_clk); + tegra_periph_reset_assert(tegra_pcie.pex_clk); - clk_enable(tegra_pcie.afi_clk); - clk_enable(tegra_pcie.pex_clk); - return clk_enable(tegra_pcie.pll_e); + tegra_powergate_power_off(TEGRA_POWERGATE_PCIE); + tegra_pcie_xclk_clamp(true); } -static void tegra_pcie_power_off(void) +static int tegra_pcie_power_regate(void) { + int err; + + tegra_pcie_power_off(); + + tegra_pcie_xclk_clamp(true); + tegra_periph_reset_assert(tegra_pcie.pcie_xclk); tegra_periph_reset_assert(tegra_pcie.afi_clk); - tegra_periph_reset_assert(tegra_pcie.pex_clk); - tegra_pcie_xclk_clamp(true); + err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_PCIE, + tegra_pcie.pex_clk); + if (err) { + pr_err("PCIE: powerup sequence failed: %d\n", err); + return err; + } + + tegra_periph_reset_deassert(tegra_pcie.afi_clk); + + tegra_pcie_xclk_clamp(false); + + clk_enable(tegra_pcie.afi_clk); + clk_enable(tegra_pcie.pex_clk); + return clk_enable(tegra_pcie.pll_e); } static int tegra_pcie_clocks_get(void) @@ -759,7 +777,7 @@ static int __init tegra_pcie_get_resources(void) return err; } - err = tegra_pcie_power_on(); + err = tegra_pcie_power_regate(); if (err) { pr_err("PCIE: failed to power up: %d\n", err); goto err_pwr_on; diff --git a/arch/arm/mach-tegra/pinmux-t2-tables.c b/arch/arm/mach-tegra/pinmux-t2-tables.c index a6ea34e782dc..a475367befa3 100644 --- a/arch/arm/mach-tegra/pinmux-t2-tables.c +++ b/arch/arm/mach-tegra/pinmux-t2-tables.c @@ -29,6 +29,7 @@ #include <mach/iomap.h> #include <mach/pinmux.h> +#include <mach/suspend.h> #define DRIVE_PINGROUP(pg_name, r) \ [TEGRA_DRIVE_PINGROUP_ ## pg_name] = { \ @@ -65,6 +66,16 @@ const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[TEGRA_MAX_DRIVE DRIVE_PINGROUP(XM2D, 0x8cc), DRIVE_PINGROUP(XM2CLK, 0x8d0), DRIVE_PINGROUP(MEMCOMP, 0x8d4), + DRIVE_PINGROUP(SDIO1, 0x8e0), + DRIVE_PINGROUP(CRT, 0x8ec), + DRIVE_PINGROUP(DDC, 0x8f0), + DRIVE_PINGROUP(GMA, 0x8f4), + DRIVE_PINGROUP(GMB, 0x8f8), + DRIVE_PINGROUP(GMC, 0x8fc), + DRIVE_PINGROUP(GMD, 0x900), + DRIVE_PINGROUP(GME, 0x904), + DRIVE_PINGROUP(OWR, 0x908), + DRIVE_PINGROUP(UAD, 0x90c), }; #define PINGROUP(pg_name, vdd, f0, f1, f2, f3, f_safe, \ @@ -216,7 +227,8 @@ const struct tegra_pingroup_desc tegra_soc_pingroups[TEGRA_MAX_PINGROUP] = { #define PULLUPDOWN_REG_NUM 5 static u32 pinmux_reg[TRISTATE_REG_NUM + PIN_MUX_CTL_REG_NUM + - PULLUPDOWN_REG_NUM]; + PULLUPDOWN_REG_NUM + + ARRAY_SIZE(tegra_soc_drive_pingroups)]; static inline unsigned long pg_readl(unsigned long offset) { @@ -233,14 +245,17 @@ void tegra_pinmux_suspend(void) unsigned int i; u32 *ctx = pinmux_reg; - for (i = 0; i < TRISTATE_REG_NUM; i++) - *ctx++ = pg_readl(TRISTATE_REG_A + i*4); - for (i = 0; i < PIN_MUX_CTL_REG_NUM; i++) *ctx++ = pg_readl(PIN_MUX_CTL_REG_A + i*4); for (i = 0; i < PULLUPDOWN_REG_NUM; i++) *ctx++ = pg_readl(PULLUPDOWN_REG_A + i*4); + + for (i = 0; i < TRISTATE_REG_NUM; i++) + *ctx++ = pg_readl(TRISTATE_REG_A + i*4); + + for (i = 0; i < ARRAY_SIZE(tegra_soc_drive_pingroups); i++) + *ctx++ = pg_readl(tegra_soc_drive_pingroups[i].reg); } void tegra_pinmux_resume(void) @@ -256,5 +271,8 @@ void tegra_pinmux_resume(void) for (i = 0; i < TRISTATE_REG_NUM; i++) pg_writel(*ctx++, TRISTATE_REG_A + i*4); + + for (i = 0; i < ARRAY_SIZE(tegra_soc_drive_pingroups); i++) + pg_writel(*ctx++, tegra_soc_drive_pingroups[i].reg); } #endif diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c new file mode 100644 index 000000000000..3cee9aa1f2c8 --- /dev/null +++ b/arch/arm/mach-tegra/powergate.c @@ -0,0 +1,212 @@ +/* + * drivers/powergate/tegra-powergate.c + * + * Copyright (c) 2010 Google, Inc + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/debugfs.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/seq_file.h> +#include <linux/spinlock.h> + +#include <mach/clk.h> +#include <mach/iomap.h> +#include <mach/powergate.h> + +#define PWRGATE_TOGGLE 0x30 +#define PWRGATE_TOGGLE_START (1 << 8) + +#define REMOVE_CLAMPING 0x34 + +#define PWRGATE_STATUS 0x38 + +static DEFINE_SPINLOCK(tegra_powergate_lock); + +static void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); + +static u32 pmc_read(unsigned long reg) +{ + return readl(pmc + reg); +} + +static void pmc_write(u32 val, unsigned long reg) +{ + writel(val, pmc + reg); +} + +static int tegra_powergate_set(int id, bool new_state) +{ + bool status; + unsigned long flags; + + spin_lock_irqsave(&tegra_powergate_lock, flags); + + status = pmc_read(PWRGATE_STATUS) & (1 << id); + + if (status == new_state) { + spin_unlock_irqrestore(&tegra_powergate_lock, flags); + return -EINVAL; + } + + pmc_write(PWRGATE_TOGGLE_START | id, PWRGATE_TOGGLE); + + spin_unlock_irqrestore(&tegra_powergate_lock, flags); + + return 0; +} + +int tegra_powergate_power_on(int id) +{ + if (id < 0 || id >= TEGRA_NUM_POWERGATE) + return -EINVAL; + + return tegra_powergate_set(id, true); +} + +int tegra_powergate_power_off(int id) +{ + if (id < 0 || id >= TEGRA_NUM_POWERGATE) + return -EINVAL; + + return tegra_powergate_set(id, false); +} + +bool tegra_powergate_is_powered(int id) +{ + u32 status; + + if (id < 0 || id >= TEGRA_NUM_POWERGATE) + return -EINVAL; + + status = pmc_read(PWRGATE_STATUS) & (1 << id); + return !!status; +} + +int tegra_powergate_remove_clamping(int id) +{ + u32 mask; + + if (id < 0 || id >= TEGRA_NUM_POWERGATE) + return -EINVAL; + + /* + * Tegra 2 has a bug where PCIE and VDE clamping masks are + * swapped relatively to the partition ids + */ + if (id == TEGRA_POWERGATE_VDEC) + mask = (1 << TEGRA_POWERGATE_PCIE); + else if (id == TEGRA_POWERGATE_PCIE) + mask = (1 << TEGRA_POWERGATE_VDEC); + else + mask = (1 << id); + + pmc_write(mask, REMOVE_CLAMPING); + + return 0; +} + +/* Must be called with clk disabled, and returns with clk enabled */ +int tegra_powergate_sequence_power_up(int id, struct clk *clk) +{ + int ret; + + tegra_periph_reset_assert(clk); + + ret = tegra_powergate_power_on(id); + if (ret) + goto err_power; + + ret = clk_enable(clk); + if (ret) + goto err_clk; + + udelay(10); + + ret = tegra_powergate_remove_clamping(id); + if (ret) + goto err_clamp; + + udelay(10); + tegra_periph_reset_deassert(clk); + + return 0; + +err_clamp: + clk_disable(clk); +err_clk: + tegra_powergate_power_off(id); +err_power: + return ret; +} + +#ifdef CONFIG_DEBUG_FS + +static const char * const powergate_name[] = { + [TEGRA_POWERGATE_CPU] = "cpu", + [TEGRA_POWERGATE_3D] = "3d", + [TEGRA_POWERGATE_VENC] = "venc", + [TEGRA_POWERGATE_VDEC] = "vdec", + [TEGRA_POWERGATE_PCIE] = "pcie", + [TEGRA_POWERGATE_L2] = "l2", + [TEGRA_POWERGATE_MPE] = "mpe", +}; + +static int powergate_show(struct seq_file *s, void *data) +{ + int i; + + seq_printf(s, " powergate powered\n"); + seq_printf(s, "------------------\n"); + + for (i = 0; i < TEGRA_NUM_POWERGATE; i++) + seq_printf(s, " %9s %7s\n", powergate_name[i], + tegra_powergate_is_powered(i) ? "yes" : "no"); + return 0; +} + +static int powergate_open(struct inode *inode, struct file *file) +{ + return single_open(file, powergate_show, inode->i_private); +} + +static const struct file_operations powergate_fops = { + .open = powergate_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int __init powergate_debugfs_init(void) +{ + struct dentry *d; + int err = -ENOMEM; + + d = debugfs_create_file("powergate", S_IRUGO, NULL, NULL, + &powergate_fops); + if (!d) + return -ENOMEM; + + return err; +} + +late_initcall(powergate_debugfs_init); + +#endif diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index f0dae6d8ba52..6d7c4eea4dcb 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -23,14 +23,15 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/hrtimer.h> #include <linux/clkdev.h> +#include <linux/clk.h> #include <mach/iomap.h> +#include <mach/suspend.h> #include "clock.h" #include "fuse.h" -#include "tegra2_dvfs.h" +#include "tegra2_emc.h" #define RST_DEVICES 0x004 #define RST_DEVICES_SET 0x300 @@ -51,7 +52,7 @@ #define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30) #define OSC_CTRL_OSC_FREQ_12MHZ (2<<30) #define OSC_CTRL_OSC_FREQ_26MHZ (3<<30) -#define OSC_CTRL_MASK 0x3f2 +#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) #define OSC_FREQ_DET 0x58 #define OSC_FREQ_DET_TRIG (1<<31) @@ -73,12 +74,15 @@ #define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF #define PERIPH_CLK_SOURCE_DIV_SHIFT 0 +#define SDMMC_CLK_INT_FB_SEL (1 << 23) +#define SDMMC_CLK_INT_FB_DLY_SHIFT 16 +#define SDMMC_CLK_INT_FB_DLY_MASK (0xF << SDMMC_CLK_INT_FB_DLY_SHIFT) + #define PLL_BASE 0x0 #define PLL_BASE_BYPASS (1<<31) #define PLL_BASE_ENABLE (1<<30) #define PLL_BASE_REF_ENABLE (1<<29) #define PLL_BASE_OVERRIDE (1<<28) -#define PLL_BASE_LOCK (1<<27) #define PLL_BASE_DIVP_MASK (0x7<<20) #define PLL_BASE_DIVP_SHIFT 20 #define PLL_BASE_DIVN_MASK (0x3FF<<8) @@ -93,7 +97,6 @@ #define PLL_OUT_RESET_DISABLE (1<<0) #define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) -#define PLL_MISC_LOCK_ENABLE(c) (((c)->flags & PLLU) ? (1<<22) : (1<<18)) #define PLL_MISC_DCCON_SHIFT 20 #define PLL_MISC_CPCON_SHIFT 8 @@ -111,9 +114,9 @@ #define PLLE_MISC_READY (1 << 15) -#define PERIPH_CLK_TO_ENB_REG(c) ((c->clk_num / 32) * 4) -#define PERIPH_CLK_TO_ENB_SET_REG(c) ((c->clk_num / 32) * 8) -#define PERIPH_CLK_TO_ENB_BIT(c) (1 << (c->clk_num % 32)) +#define PERIPH_CLK_TO_ENB_REG(c) ((c->u.periph.clk_num / 32) * 4) +#define PERIPH_CLK_TO_ENB_SET_REG(c) ((c->u.periph.clk_num / 32) * 8) +#define PERIPH_CLK_TO_ENB_BIT(c) (1 << (c->u.periph.clk_num % 32)) #define SUPER_CLK_MUX 0x00 #define SUPER_STATE_SHIFT 28 @@ -134,12 +137,42 @@ #define BUS_CLK_DISABLE (1<<3) #define BUS_CLK_DIV_MASK 0x3 +#define PMC_CTRL 0x0 + #define PMC_CTRL_BLINK_ENB (1 << 7) + +#define PMC_DPD_PADS_ORIDE 0x1c + #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20) + +#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0 +#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff +#define PMC_BLINK_TIMER_ENB (1 << 15) +#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16 +#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff + static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE); +static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE); + +/* + * Some clocks share a register with other clocks. Any clock op that + * non-atomically modifies a register used by another clock must lock + * clock_register_lock first. + */ +static DEFINE_SPINLOCK(clock_register_lock); + +/* + * Some peripheral clocks share an enable bit, so refcount the enable bits + * in registers CLK_ENABLE_L, CLK_ENABLE_H, and CLK_ENABLE_U + */ +static int tegra_periph_clk_enable_refcount[3 * 32]; #define clk_writel(value, reg) \ __raw_writel(value, (u32)reg_clk_base + (reg)) #define clk_readl(reg) \ __raw_readl((u32)reg_clk_base + (reg)) +#define pmc_writel(value, reg) \ + __raw_writel(value, (u32)reg_pmc_base + (reg)) +#define pmc_readl(reg) \ + __raw_readl((u32)reg_pmc_base + (reg)) unsigned long clk_measure_input_freq(void) { @@ -245,6 +278,18 @@ static struct clk_ops tegra_clk_m_ops = { .disable = tegra2_clk_m_disable, }; +void tegra2_periph_reset_assert(struct clk *c) +{ + BUG_ON(!c->ops->reset); + c->ops->reset(c, true); +} + +void tegra2_periph_reset_deassert(struct clk *c) +{ + BUG_ON(!c->ops->reset); + c->ops->reset(c, false); +} + /* super clock functions */ /* "super clocks" on tegra have two-stage muxes and a clock skipping * super divider. We will ignore the clock skipping divider, since we @@ -303,12 +348,12 @@ static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p) val |= sel->value << shift; if (c->refcnt) - clk_enable_locked(p); + clk_enable(p); clk_writel(val, c->reg); if (c->refcnt && c->parent) - clk_disable_locked(c->parent); + clk_disable(c->parent); clk_reparent(c, p); return 0; @@ -317,11 +362,24 @@ static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } +/* + * Super clocks have "clock skippers" instead of dividers. Dividing using + * a clock skipper does not allow the voltage to be scaled down, so instead + * adjust the rate of the parent clock. This requires that the parent of a + * super clock have no other children, otherwise the rate will change + * underneath the other children. + */ +static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) +{ + return clk_set_rate(c->parent, rate); +} + static struct clk_ops tegra_super_ops = { .init = tegra2_super_clk_init, .enable = tegra2_super_clk_enable, .disable = tegra2_super_clk_disable, .set_parent = tegra2_super_clk_set_parent, + .set_rate = tegra2_super_clk_set_rate, }; /* virtual cpu clock functions */ @@ -351,25 +409,36 @@ static void tegra2_cpu_clk_disable(struct clk *c) static int tegra2_cpu_clk_set_rate(struct clk *c, unsigned long rate) { int ret; - ret = clk_set_parent_locked(c->parent, c->backup); + /* + * Take an extra reference to the main pll so it doesn't turn + * off when we move the cpu off of it + */ + clk_enable(c->u.cpu.main); + + ret = clk_set_parent(c->parent, c->u.cpu.backup); if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->backup->name); - return ret; + pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.backup->name); + goto out; } - ret = clk_set_rate_locked(c->main, rate); + if (rate == clk_get_rate(c->u.cpu.backup)) + goto out; + + ret = clk_set_rate(c->u.cpu.main, rate); if (ret) { pr_err("Failed to change cpu pll to %lu\n", rate); - return ret; + goto out; } - ret = clk_set_parent_locked(c->parent, c->main); + ret = clk_set_parent(c->parent, c->u.cpu.main); if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->main->name); - return ret; + pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.main->name); + goto out; } - return 0; +out: + clk_disable(c->u.cpu.main); + return ret; } static struct clk_ops tegra_cpu_ops = { @@ -379,6 +448,20 @@ static struct clk_ops tegra_cpu_ops = { .set_rate = tegra2_cpu_clk_set_rate, }; +/* virtual cop clock functions. Used to acquire the fake 'cop' clock to + * reset the COP block (i.e. AVP) */ +static void tegra2_cop_clk_reset(struct clk *c, bool assert) +{ + unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; + + pr_debug("%s %s\n", __func__, assert ? "assert" : "deassert"); + clk_writel(1 << 1, reg); +} + +static struct clk_ops tegra_cop_ops = { + .reset = tegra2_cop_clk_reset, +}; + /* bus clock functions */ static void tegra2_bus_clk_init(struct clk *c) { @@ -390,24 +473,45 @@ static void tegra2_bus_clk_init(struct clk *c) static int tegra2_bus_clk_enable(struct clk *c) { - u32 val = clk_readl(c->reg); + u32 val; + unsigned long flags; + + spin_lock_irqsave(&clock_register_lock, flags); + + val = clk_readl(c->reg); val &= ~(BUS_CLK_DISABLE << c->reg_shift); clk_writel(val, c->reg); + + spin_unlock_irqrestore(&clock_register_lock, flags); + return 0; } static void tegra2_bus_clk_disable(struct clk *c) { - u32 val = clk_readl(c->reg); + u32 val; + unsigned long flags; + + spin_lock_irqsave(&clock_register_lock, flags); + + val = clk_readl(c->reg); val |= BUS_CLK_DISABLE << c->reg_shift; clk_writel(val, c->reg); + + spin_unlock_irqrestore(&clock_register_lock, flags); } static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) { - u32 val = clk_readl(c->reg); - unsigned long parent_rate = c->parent->rate; + u32 val; + unsigned long parent_rate = clk_get_rate(c->parent); + unsigned long flags; + int ret = -EINVAL; int i; + + spin_lock_irqsave(&clock_register_lock, flags); + + val = clk_readl(c->reg); for (i = 1; i <= 4; i++) { if (rate == parent_rate / i) { val &= ~(BUS_CLK_DIV_MASK << c->reg_shift); @@ -415,10 +519,14 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) clk_writel(val, c->reg); c->div = i; c->mul = 1; - return 0; + ret = 0; + break; } } - return -EINVAL; + + spin_unlock_irqrestore(&clock_register_lock, flags); + + return ret; } static struct clk_ops tegra_bus_ops = { @@ -428,24 +536,96 @@ static struct clk_ops tegra_bus_ops = { .set_rate = tegra2_bus_clk_set_rate, }; -/* PLL Functions */ -static int tegra2_pll_clk_wait_for_lock(struct clk *c) +/* Blink output functions */ + +static void tegra2_blink_clk_init(struct clk *c) { - ktime_t before; + u32 val; - before = ktime_get(); + val = pmc_readl(PMC_CTRL); + c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; + c->mul = 1; + val = pmc_readl(c->reg); + + if (val & PMC_BLINK_TIMER_ENB) { + unsigned int on_off; + + on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & + PMC_BLINK_TIMER_DATA_ON_MASK; + val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; + val &= PMC_BLINK_TIMER_DATA_OFF_MASK; + on_off += val; + /* each tick in the blink timer is 4 32KHz clocks */ + c->div = on_off * 4; + } else { + c->div = 1; + } +} - while (!(clk_readl(c->reg + PLL_BASE) & PLL_BASE_LOCK)) { - if (ktime_us_delta(ktime_get(), before) > 5000) { - pr_err("Timed out waiting for lock bit on pll %s", - c->name); - return -1; - } +static int tegra2_blink_clk_enable(struct clk *c) +{ + u32 val; + + val = pmc_readl(PMC_DPD_PADS_ORIDE); + pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); + + val = pmc_readl(PMC_CTRL); + pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL); + + return 0; +} + +static void tegra2_blink_clk_disable(struct clk *c) +{ + u32 val; + + val = pmc_readl(PMC_CTRL); + pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL); + + val = pmc_readl(PMC_DPD_PADS_ORIDE); + pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); +} + +static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(c->parent); + if (rate >= parent_rate) { + c->div = 1; + pmc_writel(0, c->reg); + } else { + unsigned int on_off; + u32 val; + + on_off = DIV_ROUND_UP(parent_rate / 8, rate); + c->div = on_off * 8; + + val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) << + PMC_BLINK_TIMER_DATA_ON_SHIFT; + on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK; + on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT; + val |= on_off; + val |= PMC_BLINK_TIMER_ENB; + pmc_writel(val, c->reg); } return 0; } +static struct clk_ops tegra_blink_clk_ops = { + .init = &tegra2_blink_clk_init, + .enable = &tegra2_blink_clk_enable, + .disable = &tegra2_blink_clk_disable, + .set_rate = &tegra2_blink_clk_set_rate, +}; + +/* PLL Functions */ +static int tegra2_pll_clk_wait_for_lock(struct clk *c) +{ + udelay(c->u.pll.lock_delay); + + return 0; +} + static void tegra2_pll_clk_init(struct clk *c) { u32 val = clk_readl(c->reg + PLL_BASE); @@ -479,10 +659,6 @@ static int tegra2_pll_clk_enable(struct clk *c) val |= PLL_BASE_ENABLE; clk_writel(val, c->reg + PLL_BASE); - val = clk_readl(c->reg + PLL_MISC(c)); - val |= PLL_MISC_LOCK_ENABLE(c); - clk_writel(val, c->reg + PLL_MISC(c)); - tegra2_pll_clk_wait_for_lock(c); return 0; @@ -502,13 +678,12 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) { u32 val; unsigned long input_rate; - const struct clk_pll_table *sel; + const struct clk_pll_freq_table *sel; pr_debug("%s: %s %lu\n", __func__, c->name, rate); - BUG_ON(c->refcnt != 0); - input_rate = c->parent->rate; - for (sel = c->pll_table; sel->input_rate != 0; sel++) { + input_rate = clk_get_rate(c->parent); + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) { c->mul = sel->n; c->div = sel->m * sel->p; @@ -620,9 +795,11 @@ static int tegra2_pll_div_clk_enable(struct clk *c) { u32 val; u32 new_val; + unsigned long flags; pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { + spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); new_val = val >> c->reg_shift; new_val &= 0xFFFF; @@ -632,12 +809,15 @@ static int tegra2_pll_div_clk_enable(struct clk *c) val &= ~(0xFFFF << c->reg_shift); val |= new_val << c->reg_shift; clk_writel(val, c->reg); + spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } else if (c->flags & DIV_2) { BUG_ON(!(c->flags & PLLD)); + spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); val &= ~PLLD_MISC_DIV_RST; clk_writel(val, c->reg); + spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } return -EINVAL; @@ -647,9 +827,11 @@ static void tegra2_pll_div_clk_disable(struct clk *c) { u32 val; u32 new_val; + unsigned long flags; pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { + spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); new_val = val >> c->reg_shift; new_val &= 0xFFFF; @@ -659,11 +841,14 @@ static void tegra2_pll_div_clk_disable(struct clk *c) val &= ~(0xFFFF << c->reg_shift); val |= new_val << c->reg_shift; clk_writel(val, c->reg); + spin_unlock_irqrestore(&clock_register_lock, flags); } else if (c->flags & DIV_2) { BUG_ON(!(c->flags & PLLD)); + spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); val |= PLLD_MISC_DIV_RST; clk_writel(val, c->reg); + spin_unlock_irqrestore(&clock_register_lock, flags); } } @@ -672,10 +857,14 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) u32 val; u32 new_val; int divider_u71; + unsigned long parent_rate = clk_get_rate(c->parent); + unsigned long flags; + pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { - divider_u71 = clk_div71_get_divider(c->parent->rate, rate); + divider_u71 = clk_div71_get_divider(parent_rate, rate); if (divider_u71 >= 0) { + spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); new_val = val >> c->reg_shift; new_val &= 0xFFFF; @@ -689,10 +878,11 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) clk_writel(val, c->reg); c->div = divider_u71 + 2; c->mul = 2; + spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } } else if (c->flags & DIV_2) { - if (c->parent->rate == rate * 2) + if (parent_rate == rate * 2) return 0; } return -EINVAL; @@ -701,15 +891,16 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) { int divider; + unsigned long parent_rate = clk_get_rate(c->parent); pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { - divider = clk_div71_get_divider(c->parent->rate, rate); + divider = clk_div71_get_divider(parent_rate, rate); if (divider < 0) return divider; - return c->parent->rate * 2 / (divider + 2); + return DIV_ROUND_UP(parent_rate * 2, divider + 2); } else if (c->flags & DIV_2) { - return c->parent->rate / 2; + return DIV_ROUND_UP(parent_rate, 2); } return -EINVAL; } @@ -755,9 +946,14 @@ static void tegra2_periph_clk_init(struct clk *c) } c->state = ON; + + if (!c->u.periph.clk_num) + return; + if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + if (!(c->flags & PERIPH_NO_RESET)) if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c)) @@ -767,8 +963,20 @@ static void tegra2_periph_clk_init(struct clk *c) static int tegra2_periph_clk_enable(struct clk *c) { u32 val; + unsigned long flags; + int refcount; pr_debug("%s on clock %s\n", __func__, c->name); + if (!c->u.periph.clk_num) + return 0; + + spin_lock_irqsave(&clock_register_lock, flags); + + refcount = tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + + if (refcount > 1) + goto out; + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); if (!(c->flags & PERIPH_NO_RESET) && !(c->flags & PERIPH_MANUAL_RESET)) @@ -781,34 +989,48 @@ static int tegra2_periph_clk_enable(struct clk *c) val |= 0x3 << 24; clk_writel(val, c->reg); } + +out: + spin_unlock_irqrestore(&clock_register_lock, flags); + return 0; } static void tegra2_periph_clk_disable(struct clk *c) { + unsigned long flags; + pr_debug("%s on clock %s\n", __func__, c->name); - clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); -} + if (!c->u.periph.clk_num) + return; -void tegra2_periph_reset_deassert(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - if (!(c->flags & PERIPH_NO_RESET)) + spin_lock_irqsave(&clock_register_lock, flags); + + if (c->refcnt) + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - RST_DEVICES_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); + CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); + + spin_unlock_irqrestore(&clock_register_lock, flags); } -void tegra2_periph_reset_assert(struct clk *c) +static void tegra2_periph_clk_reset(struct clk *c, bool assert) { - pr_debug("%s on clock %s\n", __func__, c->name); + unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; + + pr_debug("%s %s on clock %s\n", __func__, + assert ? "assert" : "deassert", c->name); + + BUG_ON(!c->u.periph.clk_num); + if (!(c->flags & PERIPH_NO_RESET)) clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - RST_DEVICES_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); + base + PERIPH_CLK_TO_ENB_SET_REG(c)); } - static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p) { u32 val; @@ -821,12 +1043,12 @@ static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p) val |= (sel->value) << PERIPH_CLK_SOURCE_SHIFT; if (c->refcnt) - clk_enable_locked(p); + clk_enable(p); clk_writel(val, c->reg); if (c->refcnt && c->parent) - clk_disable_locked(c->parent); + clk_disable(c->parent); clk_reparent(c, p); return 0; @@ -840,9 +1062,10 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) { u32 val; int divider; - pr_debug("%s: %lu\n", __func__, rate); + unsigned long parent_rate = clk_get_rate(c->parent); + if (c->flags & DIV_U71) { - divider = clk_div71_get_divider(c->parent->rate, rate); + divider = clk_div71_get_divider(parent_rate, rate); if (divider >= 0) { val = clk_readl(c->reg); val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; @@ -853,7 +1076,7 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) return 0; } } else if (c->flags & DIV_U16) { - divider = clk_div16_get_divider(c->parent->rate, rate); + divider = clk_div16_get_divider(parent_rate, rate); if (divider >= 0) { val = clk_readl(c->reg); val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK; @@ -863,7 +1086,7 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 1; return 0; } - } else if (c->parent->rate <= rate) { + } else if (parent_rate <= rate) { c->div = 1; c->mul = 1; return 0; @@ -875,19 +1098,20 @@ static long tegra2_periph_clk_round_rate(struct clk *c, unsigned long rate) { int divider; + unsigned long parent_rate = clk_get_rate(c->parent); pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { - divider = clk_div71_get_divider(c->parent->rate, rate); + divider = clk_div71_get_divider(parent_rate, rate); if (divider < 0) return divider; - return c->parent->rate * 2 / (divider + 2); + return DIV_ROUND_UP(parent_rate * 2, divider + 2); } else if (c->flags & DIV_U16) { - divider = clk_div16_get_divider(c->parent->rate, rate); + divider = clk_div16_get_divider(parent_rate, rate); if (divider < 0) return divider; - return c->parent->rate / (divider + 1); + return DIV_ROUND_UP(parent_rate, divider + 1); } return -EINVAL; } @@ -899,6 +1123,71 @@ static struct clk_ops tegra_periph_clk_ops = { .set_parent = &tegra2_periph_clk_set_parent, .set_rate = &tegra2_periph_clk_set_rate, .round_rate = &tegra2_periph_clk_round_rate, + .reset = &tegra2_periph_clk_reset, +}; + +/* The SDMMC controllers have extra bits in the clock source register that + * adjust the delay between the clock and data to compenstate for delays + * on the PCB. */ +void tegra2_sdmmc_tap_delay(struct clk *c, int delay) +{ + u32 reg; + + delay = clamp(delay, 0, 15); + reg = clk_readl(c->reg); + reg &= ~SDMMC_CLK_INT_FB_DLY_MASK; + reg |= SDMMC_CLK_INT_FB_SEL; + reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT; + clk_writel(reg, c->reg); +} + +/* External memory controller clock ops */ +static void tegra2_emc_clk_init(struct clk *c) +{ + tegra2_periph_clk_init(c); + c->max_rate = clk_get_rate_locked(c); +} + +static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) +{ + long new_rate = rate; + + new_rate = tegra_emc_round_rate(new_rate); + if (new_rate < 0) + return c->max_rate; + + BUG_ON(new_rate != tegra2_periph_clk_round_rate(c, new_rate)); + + return new_rate; +} + +static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) +{ + int ret; + /* + * The Tegra2 memory controller has an interlock with the clock + * block that allows memory shadowed registers to be updated, + * and then transfer them to the main registers at the same + * time as the clock update without glitches. + */ + ret = tegra_emc_set_rate(rate); + if (ret < 0) + return ret; + + ret = tegra2_periph_clk_set_rate(c, rate); + udelay(1); + + return ret; +} + +static struct clk_ops tegra_emc_clk_ops = { + .init = &tegra2_emc_clk_init, + .enable = &tegra2_periph_clk_enable, + .disable = &tegra2_periph_clk_disable, + .set_parent = &tegra2_periph_clk_set_parent, + .set_rate = &tegra2_emc_clk_set_rate, + .round_rate = &tegra2_emc_clk_round_rate, + .reset = &tegra2_periph_clk_reset, }; /* Clock doubler ops */ @@ -907,6 +1196,10 @@ static void tegra2_clk_double_init(struct clk *c) c->mul = 2; c->div = 1; c->state = ON; + + if (!c->u.periph.clk_num) + return; + if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; @@ -914,7 +1207,7 @@ static void tegra2_clk_double_init(struct clk *c) static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) { - if (rate != 2 * c->parent->rate) + if (rate != 2 * clk_get_rate(c->parent)) return -EINVAL; c->mul = 2; c->div = 1; @@ -928,6 +1221,7 @@ static struct clk_ops tegra_clk_double_ops = { .set_rate = &tegra2_clk_double_set_rate, }; +/* Audio sync clock ops */ static void tegra2_audio_sync_clk_init(struct clk *c) { int source; @@ -964,12 +1258,12 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) val |= sel->value; if (c->refcnt) - clk_enable_locked(p); + clk_enable(p); clk_writel(val, c->reg); if (c->refcnt && c->parent) - clk_disable_locked(c->parent); + clk_disable(c->parent); clk_reparent(c, p); return 0; @@ -979,33 +1273,153 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static int tegra2_audio_sync_clk_set_rate(struct clk *c, unsigned long rate) -{ - unsigned long parent_rate; - if (!c->parent) { - pr_err("%s: clock has no parent\n", __func__); - return -EINVAL; - } - parent_rate = c->parent->rate; - if (rate != parent_rate) { - pr_err("%s: %s/%ld differs from parent %s/%ld\n", - __func__, - c->name, rate, - c->parent->name, parent_rate); - return -EINVAL; - } - c->rate = parent_rate; - return 0; -} - static struct clk_ops tegra_audio_sync_clk_ops = { .init = tegra2_audio_sync_clk_init, .enable = tegra2_audio_sync_clk_enable, .disable = tegra2_audio_sync_clk_disable, - .set_rate = tegra2_audio_sync_clk_set_rate, .set_parent = tegra2_audio_sync_clk_set_parent, }; +/* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */ + +static void tegra2_cdev_clk_init(struct clk *c) +{ + /* We could un-tristate the cdev1 or cdev2 pingroup here; this is + * currently done in the pinmux code. */ + c->state = ON; + + BUG_ON(!c->u.periph.clk_num); + + if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & + PERIPH_CLK_TO_ENB_BIT(c))) + c->state = OFF; +} + +static int tegra2_cdev_clk_enable(struct clk *c) +{ + BUG_ON(!c->u.periph.clk_num); + + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), + CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); + return 0; +} + +static void tegra2_cdev_clk_disable(struct clk *c) +{ + BUG_ON(!c->u.periph.clk_num); + + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), + CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); +} + +static struct clk_ops tegra_cdev_clk_ops = { + .init = &tegra2_cdev_clk_init, + .enable = &tegra2_cdev_clk_enable, + .disable = &tegra2_cdev_clk_disable, +}; + +/* shared bus ops */ +/* + * Some clocks may have multiple downstream users that need to request a + * higher clock rate. Shared bus clocks provide a unique shared_bus_user + * clock to each user. The frequency of the bus is set to the highest + * enabled shared_bus_user clock, with a minimum value set by the + * shared bus. + */ +static int tegra_clk_shared_bus_update(struct clk *bus) +{ + struct clk *c; + unsigned long rate = bus->min_rate; + + list_for_each_entry(c, &bus->shared_bus_list, u.shared_bus_user.node) + if (c->u.shared_bus_user.enabled) + rate = max(c->u.shared_bus_user.rate, rate); + + if (rate == clk_get_rate_locked(bus)) + return 0; + + return clk_set_rate_locked(bus, rate); +}; + +static void tegra_clk_shared_bus_init(struct clk *c) +{ + unsigned long flags; + + c->max_rate = c->parent->max_rate; + c->u.shared_bus_user.rate = c->parent->max_rate; + c->state = OFF; + c->set = true; + + spin_lock_irqsave(&c->parent->spinlock, flags); + + list_add_tail(&c->u.shared_bus_user.node, + &c->parent->shared_bus_list); + + spin_unlock_irqrestore(&c->parent->spinlock, flags); +} + +static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate) +{ + unsigned long flags; + int ret; + + rate = clk_round_rate(c->parent, rate); + if (rate < 0) + return rate; + + spin_lock_irqsave(&c->parent->spinlock, flags); + + c->u.shared_bus_user.rate = rate; + ret = tegra_clk_shared_bus_update(c->parent); + + spin_unlock_irqrestore(&c->parent->spinlock, flags); + + return ret; +} + +static long tegra_clk_shared_bus_round_rate(struct clk *c, unsigned long rate) +{ + return clk_round_rate(c->parent, rate); +} + +static int tegra_clk_shared_bus_enable(struct clk *c) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&c->parent->spinlock, flags); + + c->u.shared_bus_user.enabled = true; + ret = tegra_clk_shared_bus_update(c->parent); + + spin_unlock_irqrestore(&c->parent->spinlock, flags); + + return ret; +} + +static void tegra_clk_shared_bus_disable(struct clk *c) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&c->parent->spinlock, flags); + + c->u.shared_bus_user.enabled = false; + ret = tegra_clk_shared_bus_update(c->parent); + WARN_ON_ONCE(ret); + + spin_unlock_irqrestore(&c->parent->spinlock, flags); +} + +static struct clk_ops tegra_clk_shared_bus_ops = { + .init = tegra_clk_shared_bus_init, + .enable = tegra_clk_shared_bus_enable, + .disable = tegra_clk_shared_bus_disable, + .set_rate = tegra_clk_shared_bus_set_rate, + .round_rate = tegra_clk_shared_bus_round_rate, +}; + + /* Clock definitions */ static struct clk tegra_clk_32k = { .name = "clk_32k", @@ -1014,7 +1428,7 @@ static struct clk tegra_clk_32k = { .max_rate = 32768, }; -static struct clk_pll_table tegra_pll_s_table[] = { +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { {32768, 12000000, 366, 1, 1, 0}, {32768, 13000000, 397, 1, 1, 0}, {32768, 19200000, 586, 1, 1, 0}, @@ -1026,16 +1440,19 @@ static struct clk tegra_pll_s = { .name = "pll_s", .flags = PLL_ALT_MISC_REG, .ops = &tegra_pll_ops, - .reg = 0xf0, - .input_min = 32768, - .input_max = 32768, .parent = &tegra_clk_32k, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .pll_table = tegra_pll_s_table, .max_rate = 26000000, + .reg = 0xf0, + .u.pll = { + .input_min = 32768, + .input_max = 32768, + .cf_min = 0, /* FIXME */ + .cf_max = 0, /* FIXME */ + .vco_min = 12000000, + .vco_max = 26000000, + .freq_table = tegra_pll_s_freq_table, + .lock_delay = 300, + }, }; static struct clk_mux_sel tegra_clk_m_sel[] = { @@ -1043,18 +1460,18 @@ static struct clk_mux_sel tegra_clk_m_sel[] = { { .input = &tegra_pll_s, .value = 1}, { 0, 0}, }; + static struct clk tegra_clk_m = { .name = "clk_m", .flags = ENABLE_ON_INIT, .ops = &tegra_clk_m_ops, .inputs = tegra_clk_m_sel, .reg = 0x1fc, - .reg_mask = (1<<28), .reg_shift = 28, .max_rate = 26000000, }; -static struct clk_pll_table tegra_pll_c_table[] = { +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; @@ -1063,15 +1480,18 @@ static struct clk tegra_pll_c = { .flags = PLL_HAS_CPCON, .ops = &tegra_pll_ops, .reg = 0x80, - .input_min = 2000000, - .input_max = 31000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .pll_table = tegra_pll_c_table, .max_rate = 600000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, }; static struct clk tegra_pll_c_out1 = { @@ -1084,7 +1504,7 @@ static struct clk tegra_pll_c_out1 = { .max_rate = 600000000, }; -static struct clk_pll_table tegra_pll_m_table[] = { +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, { 13000000, 666000000, 666, 13, 1, 8}, { 19200000, 666000000, 555, 16, 1, 8}, @@ -1101,15 +1521,18 @@ static struct clk tegra_pll_m = { .flags = PLL_HAS_CPCON, .ops = &tegra_pll_ops, .reg = 0x90, - .input_min = 2000000, - .input_max = 31000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .pll_table = tegra_pll_m_table, .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, }; static struct clk tegra_pll_m_out1 = { @@ -1122,7 +1545,7 @@ static struct clk tegra_pll_m_out1 = { .max_rate = 600000000, }; -static struct clk_pll_table tegra_pll_p_table[] = { +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, { 13000000, 216000000, 432, 13, 2, 8}, { 19200000, 216000000, 90, 4, 2, 1}, @@ -1139,15 +1562,18 @@ static struct clk tegra_pll_p = { .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, .ops = &tegra_pll_ops, .reg = 0xa0, - .input_min = 2000000, - .input_max = 31000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .pll_table = tegra_pll_p_table, .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + }, }; static struct clk tegra_pll_p_out1 = { @@ -1190,11 +1616,9 @@ static struct clk tegra_pll_p_out4 = { .max_rate = 432000000, }; -static struct clk_pll_table tegra_pll_a_table[] = { +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 28800000, 56448000, 49, 25, 1, 1}, { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 11289600, 49, 25, 1, 1}, - { 28800000, 12288000, 64, 25, 1, 1}, { 28800000, 24000000, 5, 6, 1, 1}, { 0, 0, 0, 0, 0, 0 }, }; @@ -1204,15 +1628,18 @@ static struct clk tegra_pll_a = { .flags = PLL_HAS_CPCON, .ops = &tegra_pll_ops, .reg = 0xb0, - .input_min = 2000000, - .input_max = 31000000, .parent = &tegra_pll_p_out1, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .pll_table = tegra_pll_a_table, - .max_rate = 56448000, + .max_rate = 73728000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, }; static struct clk tegra_pll_a_out0 = { @@ -1222,14 +1649,25 @@ static struct clk tegra_pll_a_out0 = { .parent = &tegra_pll_a, .reg = 0xb4, .reg_shift = 0, - .max_rate = 56448000, + .max_rate = 73728000, }; -static struct clk_pll_table tegra_pll_d_table[] = { +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 19200000, 216000000, 135, 12, 1, 3}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + { 12000000, 1000000000, 1000, 12, 1, 12}, { 13000000, 1000000000, 1000, 13, 1, 12}, { 19200000, 1000000000, 625, 12, 1, 8}, { 26000000, 1000000000, 1000, 26, 1, 12}, + { 0, 0, 0, 0, 0, 0 }, }; @@ -1238,15 +1676,18 @@ static struct clk tegra_pll_d = { .flags = PLL_HAS_CPCON | PLLD, .ops = &tegra_pll_ops, .reg = 0xd0, - .input_min = 2000000, - .input_max = 40000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .pll_table = tegra_pll_d_table, .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, }; static struct clk tegra_pll_d_out0 = { @@ -1257,7 +1698,7 @@ static struct clk tegra_pll_d_out0 = { .max_rate = 500000000, }; -static struct clk_pll_table tegra_pll_u_table[] = { +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 0}, { 13000000, 480000000, 960, 13, 2, 0}, { 19200000, 480000000, 200, 4, 2, 0}, @@ -1270,18 +1711,21 @@ static struct clk tegra_pll_u = { .flags = PLLU, .ops = &tegra_pll_ops, .reg = 0xc0, - .input_min = 2000000, - .input_max = 40000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .pll_table = tegra_pll_u_table, .max_rate = 480000000, -}; - -static struct clk_pll_table tegra_pll_x_table[] = { + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1 GHz */ { 12000000, 1000000000, 1000, 12, 1, 12}, { 13000000, 1000000000, 1000, 13, 1, 12}, @@ -1307,10 +1751,10 @@ static struct clk_pll_table tegra_pll_x_table[] = { { 26000000, 760000000, 760, 26, 1, 12}, /* 608 MHz */ - { 12000000, 608000000, 760, 12, 1, 12}, - { 13000000, 608000000, 760, 13, 1, 12}, + { 12000000, 608000000, 608, 12, 1, 12}, + { 13000000, 608000000, 608, 13, 1, 12}, { 19200000, 608000000, 380, 12, 1, 8}, - { 26000000, 608000000, 760, 26, 1, 12}, + { 26000000, 608000000, 608, 26, 1, 12}, /* 456 MHz */ { 12000000, 456000000, 456, 12, 1, 12}, @@ -1332,18 +1776,21 @@ static struct clk tegra_pll_x = { .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, .ops = &tegra_pllx_ops, .reg = 0xe0, - .input_min = 2000000, - .input_max = 31000000, .parent = &tegra_clk_m, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .pll_table = tegra_pll_x_table, .max_rate = 1000000000, -}; - -static struct clk_pll_table tegra_pll_e_table[] = { + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 12000000, 100000000, 200, 24, 1, 0 }, { 0, 0, 0, 0, 0, 0 }, }; @@ -1352,23 +1799,49 @@ static struct clk tegra_pll_e = { .name = "pll_e", .flags = PLL_ALT_MISC_REG, .ops = &tegra_plle_ops, - .input_min = 12000000, - .input_max = 12000000, - .max_rate = 100000000, .parent = &tegra_clk_m, .reg = 0xe8, - .pll_table = tegra_pll_e_table, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 12000000, + .freq_table = tegra_pll_e_freq_table, + }, }; static struct clk tegra_clk_d = { .name = "clk_d", .flags = PERIPH_NO_RESET, .ops = &tegra_clk_double_ops, - .clk_num = 90, .reg = 0x34, .reg_shift = 12, .parent = &tegra_clk_m, .max_rate = 52000000, + .u.periph = { + .clk_num = 90, + }, +}; + +/* dap_mclk1, belongs to the cdev1 pingroup. */ +static struct clk tegra_clk_cdev1 = { + .name = "cdev1", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 94, + }, +}; + +/* dap_mclk2, belongs to the cdev2 pingroup. */ +static struct clk tegra_clk_cdev2 = { + .name = "cdev2", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, + }, }; /* initialized before peripheral clocks */ @@ -1394,7 +1867,7 @@ static struct clk tegra_clk_audio = { .name = "audio", .inputs = mux_audio_sync_clk, .reg = 0x38, - .max_rate = 24000000, + .max_rate = 73728000, .ops = &tegra_audio_sync_clk_ops }; @@ -1403,10 +1876,12 @@ static struct clk tegra_clk_audio_2x = { .flags = PERIPH_NO_RESET, .max_rate = 48000000, .ops = &tegra_clk_double_ops, - .clk_num = 89, .reg = 0x34, .reg_shift = 8, .parent = &tegra_clk_audio, + .u.periph = { + .clk_num = 89, + }, }; struct clk_lookup tegra_audio_clk_lookups[] = { @@ -1478,17 +1953,26 @@ static struct clk tegra_clk_sclk = { .inputs = mux_sclk, .reg = 0x28, .ops = &tegra_super_ops, - .max_rate = 600000000, + .max_rate = 240000000, + .min_rate = 120000000, }; static struct clk tegra_clk_virtual_cpu = { .name = "cpu", .parent = &tegra_clk_cclk, - .main = &tegra_pll_x, - .backup = &tegra_clk_m, .ops = &tegra_cpu_ops, .max_rate = 1000000000, - .dvfs = &tegra_dvfs_virtual_cpu_dvfs, + .u.cpu = { + .main = &tegra_pll_x, + .backup = &tegra_pll_p, + }, +}; + +static struct clk tegra_clk_cop = { + .name = "cop", + .parent = &tegra_clk_sclk, + .ops = &tegra_cop_ops, + .max_rate = 240000000, }; static struct clk tegra_clk_hclk = { @@ -1508,7 +1992,15 @@ static struct clk tegra_clk_pclk = { .reg = 0x30, .reg_shift = 0, .ops = &tegra_bus_ops, - .max_rate = 108000000, + .max_rate = 120000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra_blink_clk_ops, + .max_rate = 32768, }; static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { @@ -1587,6 +2079,23 @@ static struct clk_mux_sel mux_clk_32k[] = { { 0, 0}, }; +static struct clk_mux_sel mux_pclk[] = { + { .input = &tegra_clk_pclk, .value = 0}, + { 0, 0}, +}; + +static struct clk tegra_clk_emc = { + .name = "emc", + .ops = &tegra_emc_clk_ops, + .reg = 0x19c, + .max_rate = 800000000, + .inputs = mux_pllm_pllc_pllp_clkm, + .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .u.periph = { + .clk_num = 57, + }, +}; + #define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ { \ .name = _name, \ @@ -1595,19 +2104,32 @@ static struct clk_mux_sel mux_clk_32k[] = { .con_id = _con, \ }, \ .ops = &tegra_periph_clk_ops, \ - .clk_num = _clk_num, \ .reg = _reg, \ .inputs = _inputs, \ .flags = _flags, \ .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ } -struct clk tegra_periph_clks[] = { +struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-dma", NULL, 34, 0, 108000000, mux_pclk, 0), PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - /* FIXME: spdif has 2 clocks but 1 enable */ + PERIPH_CLK("i2s1", "tegra-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("i2s2", "tegra-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), @@ -1620,13 +2142,15 @@ struct clk tegra_periph_clks[] = { PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - /* FIXME: vfir shares an enable with uartb */ PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x160, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ /* FIXME: what is la? */ PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), @@ -1641,37 +2165,46 @@ struct clk tegra_periph_clks[] = { PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "uart.0", NULL, 6, 0x178, 216000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "uart.1", NULL, 7, 0x17c, 216000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "uart.2", NULL, 55, 0x1a0, 216000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "uart.3", NULL, 65, 0x1c0, 216000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "uart.4", NULL, 66, 0x1c4, 216000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarta", "uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartb", "uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartc", "uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartd", "uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarte", "uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - /* FIXME: vi and vi_sensor share an enable */ - PERIPH_CLK("vi", "vi", NULL, 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "vi_sensor", NULL, 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - /* FIXME: cve and tvo share an enable */ PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegrafb.0", NULL, 27, 0x138, 190000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegrafb.1", NULL, 26, 0x13c, 190000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("emc", "emc", NULL, 57, 0x19c, 800000000, mux_pllm_pllc_pllp_clkm, MUX | DIV_U71 | PERIPH_EMC_ENB), PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "csi", NULL, 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "isp", NULL, 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "csus", NULL, 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + + SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), + SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), + SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), + SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), + SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), + SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), + SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), + SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), + SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), + SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), + SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), }; #define CLK_DUPLICATE(_name, _dev, _con) \ @@ -1693,9 +2226,22 @@ struct clk_duplicate tegra_clk_duplicates[] = { CLK_DUPLICATE("uartc", "tegra_uart.2", NULL), CLK_DUPLICATE("uartd", "tegra_uart.3", NULL), CLK_DUPLICATE("uarte", "tegra_uart.4", NULL), - CLK_DUPLICATE("host1x", "tegrafb.0", "host1x"), - CLK_DUPLICATE("host1x", "tegrafb.1", "host1x"), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), }; #define CLK(dev, con, ck) \ @@ -1705,68 +2251,70 @@ struct clk_duplicate tegra_clk_duplicates[] = { .clk = ck, \ } -struct clk_lookup tegra_clk_lookups[] = { - /* external root sources */ - CLK(NULL, "32k_clk", &tegra_clk_32k), - CLK(NULL, "pll_s", &tegra_pll_s), - CLK(NULL, "clk_m", &tegra_clk_m), - CLK(NULL, "pll_m", &tegra_pll_m), - CLK(NULL, "pll_m_out1", &tegra_pll_m_out1), - CLK(NULL, "pll_c", &tegra_pll_c), - CLK(NULL, "pll_c_out1", &tegra_pll_c_out1), - CLK(NULL, "pll_p", &tegra_pll_p), - CLK(NULL, "pll_p_out1", &tegra_pll_p_out1), - CLK(NULL, "pll_p_out2", &tegra_pll_p_out2), - CLK(NULL, "pll_p_out3", &tegra_pll_p_out3), - CLK(NULL, "pll_p_out4", &tegra_pll_p_out4), - CLK(NULL, "pll_a", &tegra_pll_a), - CLK(NULL, "pll_a_out0", &tegra_pll_a_out0), - CLK(NULL, "pll_d", &tegra_pll_d), - CLK(NULL, "pll_d_out0", &tegra_pll_d_out0), - CLK(NULL, "pll_u", &tegra_pll_u), - CLK(NULL, "pll_x", &tegra_pll_x), - CLK(NULL, "pll_e", &tegra_pll_e), - CLK(NULL, "cclk", &tegra_clk_cclk), - CLK(NULL, "sclk", &tegra_clk_sclk), - CLK(NULL, "hclk", &tegra_clk_hclk), - CLK(NULL, "pclk", &tegra_clk_pclk), - CLK(NULL, "clk_d", &tegra_clk_d), - CLK(NULL, "cpu", &tegra_clk_virtual_cpu), -}; +struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_pll_s, + &tegra_clk_m, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_e, + &tegra_clk_cclk, + &tegra_clk_sclk, + &tegra_clk_hclk, + &tegra_clk_pclk, + &tegra_clk_d, + &tegra_clk_cdev1, + &tegra_clk_cdev2, + &tegra_clk_virtual_cpu, + &tegra_clk_blink, + &tegra_clk_cop, + &tegra_clk_emc, +}; + +static void tegra2_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} void __init tegra2_init_clocks(void) { int i; - struct clk_lookup *cl; struct clk *c; - struct clk_duplicate *cd; - - for (i = 0; i < ARRAY_SIZE(tegra_clk_lookups); i++) { - cl = &tegra_clk_lookups[i]; - clk_init(cl->clk); - clkdev_add(cl); - } - for (i = 0; i < ARRAY_SIZE(tegra_periph_clks); i++) { - c = &tegra_periph_clks[i]; - cl = &c->lookup; - cl->clk = c; + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra2_init_one_clock(tegra_ptr_clks[i]); - clk_init(cl->clk); - clkdev_add(cl); - } + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra2_init_one_clock(&tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - cd = &tegra_clk_duplicates[i]; - c = tegra_get_clock_by_name(cd->name); - if (c) { - cl = &cd->lookup; - cl->clk = c; - clkdev_add(cl); - } else { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { pr_err("%s: Unknown duplicate clock %s\n", __func__, - cd->name); + tegra_clk_duplicates[i].name); + continue; } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); } init_audio_sync_clock_mux(); @@ -1774,7 +2322,7 @@ void __init tegra2_init_clocks(void) #ifdef CONFIG_PM static u32 clk_rst_suspend[RST_DEVICES_NUM + CLK_OUT_ENB_NUM + - PERIPH_CLK_SOURCE_NUM + 3]; + PERIPH_CLK_SOURCE_NUM + 22]; void tegra_clk_suspend(void) { @@ -1782,6 +2330,29 @@ void tegra_clk_suspend(void) u32 *ctx = clk_rst_suspend; *ctx++ = clk_readl(OSC_CTRL) & OSC_CTRL_MASK; + *ctx++ = clk_readl(tegra_pll_c.reg + PLL_BASE); + *ctx++ = clk_readl(tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); + *ctx++ = clk_readl(tegra_pll_a.reg + PLL_BASE); + *ctx++ = clk_readl(tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); + *ctx++ = clk_readl(tegra_pll_s.reg + PLL_BASE); + *ctx++ = clk_readl(tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); + *ctx++ = clk_readl(tegra_pll_d.reg + PLL_BASE); + *ctx++ = clk_readl(tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); + *ctx++ = clk_readl(tegra_pll_u.reg + PLL_BASE); + *ctx++ = clk_readl(tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); + + *ctx++ = clk_readl(tegra_pll_m_out1.reg); + *ctx++ = clk_readl(tegra_pll_a_out0.reg); + *ctx++ = clk_readl(tegra_pll_c_out1.reg); + + *ctx++ = clk_readl(tegra_clk_cclk.reg); + *ctx++ = clk_readl(tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); + + *ctx++ = clk_readl(tegra_clk_sclk.reg); + *ctx++ = clk_readl(tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); + *ctx++ = clk_readl(tegra_clk_pclk.reg); + + *ctx++ = clk_readl(tegra_clk_audio.reg); for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; off += 4) { @@ -1800,6 +2371,8 @@ void tegra_clk_suspend(void) *ctx++ = clk_readl(MISC_CLK_ENB); *ctx++ = clk_readl(CLK_MASK_ARM); + + BUG_ON(ctx - clk_rst_suspend != ARRAY_SIZE(clk_rst_suspend)); } void tegra_clk_resume(void) @@ -1812,6 +2385,31 @@ void tegra_clk_resume(void) val |= *ctx++; clk_writel(val, OSC_CTRL); + clk_writel(*ctx++, tegra_pll_c.reg + PLL_BASE); + clk_writel(*ctx++, tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); + clk_writel(*ctx++, tegra_pll_a.reg + PLL_BASE); + clk_writel(*ctx++, tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); + clk_writel(*ctx++, tegra_pll_s.reg + PLL_BASE); + clk_writel(*ctx++, tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); + clk_writel(*ctx++, tegra_pll_d.reg + PLL_BASE); + clk_writel(*ctx++, tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); + clk_writel(*ctx++, tegra_pll_u.reg + PLL_BASE); + clk_writel(*ctx++, tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); + udelay(1000); + + clk_writel(*ctx++, tegra_pll_m_out1.reg); + clk_writel(*ctx++, tegra_pll_a_out0.reg); + clk_writel(*ctx++, tegra_pll_c_out1.reg); + + clk_writel(*ctx++, tegra_clk_cclk.reg); + clk_writel(*ctx++, tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); + + clk_writel(*ctx++, tegra_clk_sclk.reg); + clk_writel(*ctx++, tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); + clk_writel(*ctx++, tegra_clk_pclk.reg); + + clk_writel(*ctx++, tegra_clk_audio.reg); + /* enable all clocks before configuring clock sources */ clk_writel(0xbffffff9ul, CLK_OUT_ENB); clk_writel(0xfefffff7ul, CLK_OUT_ENB + 4); diff --git a/arch/arm/mach-tegra/tegra2_dvfs.c b/arch/arm/mach-tegra/tegra2_dvfs.c deleted file mode 100644 index 5529c238dd77..000000000000 --- a/arch/arm/mach-tegra/tegra2_dvfs.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * arch/arm/mach-tegra/tegra2_dvfs.c - * - * Copyright (C) 2010 Google, Inc. - * - * Author: - * Colin Cross <ccross@google.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> - -#include "clock.h" -#include "tegra2_dvfs.h" - -static struct dvfs_table virtual_cpu_process_0[] = { - {314000000, 750}, - {456000000, 825}, - {608000000, 900}, - {760000000, 975}, - {817000000, 1000}, - {912000000, 1050}, - {1000000000, 1100}, - {0, 0}, -}; - -static struct dvfs_table virtual_cpu_process_1[] = { - {314000000, 750}, - {456000000, 825}, - {618000000, 900}, - {770000000, 975}, - {827000000, 1000}, - {922000000, 1050}, - {1000000000, 1100}, - {0, 0}, -}; - -static struct dvfs_table virtual_cpu_process_2[] = { - {494000000, 750}, - {675000000, 825}, - {817000000, 875}, - {922000000, 925}, - {1000000000, 975}, - {0, 0}, -}; - -static struct dvfs_table virtual_cpu_process_3[] = { - {730000000, 750}, - {760000000, 775}, - {845000000, 800}, - {1000000000, 875}, - {0, 0}, -}; - -struct dvfs tegra_dvfs_virtual_cpu_dvfs = { - .reg_id = "vdd_cpu", - .process_id_table = { - { - .process_id = 0, - .table = virtual_cpu_process_0, - }, - { - .process_id = 1, - .table = virtual_cpu_process_1, - }, - { - .process_id = 2, - .table = virtual_cpu_process_2, - }, - { - .process_id = 3, - .table = virtual_cpu_process_3, - }, - }, - .process_id_table_length = 4, - .cpu = 1, -}; diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c new file mode 100644 index 000000000000..0f7ae6e90b55 --- /dev/null +++ b/arch/arm/mach-tegra/tegra2_emc.c @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2011 Google, Inc. + * + * Author: + * Colin Cross <ccross@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/module.h> + +#include <mach/iomap.h> + +#include "tegra2_emc.h" + +#ifdef CONFIG_TEGRA_EMC_SCALING_ENABLE +static bool emc_enable = true; +#else +static bool emc_enable; +#endif +module_param(emc_enable, bool, 0644); + +static void __iomem *emc = IO_ADDRESS(TEGRA_EMC_BASE); +static const struct tegra_emc_table *tegra_emc_table; +static int tegra_emc_table_size; + +static inline void emc_writel(u32 val, unsigned long addr) +{ + writel(val, emc + addr); +} + +static inline u32 emc_readl(unsigned long addr) +{ + return readl(emc + addr); +} + +static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = { + 0x2c, /* RC */ + 0x30, /* RFC */ + 0x34, /* RAS */ + 0x38, /* RP */ + 0x3c, /* R2W */ + 0x40, /* W2R */ + 0x44, /* R2P */ + 0x48, /* W2P */ + 0x4c, /* RD_RCD */ + 0x50, /* WR_RCD */ + 0x54, /* RRD */ + 0x58, /* REXT */ + 0x5c, /* WDV */ + 0x60, /* QUSE */ + 0x64, /* QRST */ + 0x68, /* QSAFE */ + 0x6c, /* RDV */ + 0x70, /* REFRESH */ + 0x74, /* BURST_REFRESH_NUM */ + 0x78, /* PDEX2WR */ + 0x7c, /* PDEX2RD */ + 0x80, /* PCHG2PDEN */ + 0x84, /* ACT2PDEN */ + 0x88, /* AR2PDEN */ + 0x8c, /* RW2PDEN */ + 0x90, /* TXSR */ + 0x94, /* TCKE */ + 0x98, /* TFAW */ + 0x9c, /* TRPAB */ + 0xa0, /* TCLKSTABLE */ + 0xa4, /* TCLKSTOP */ + 0xa8, /* TREFBW */ + 0xac, /* QUSE_EXTRA */ + 0x114, /* FBIO_CFG6 */ + 0xb0, /* ODT_WRITE */ + 0xb4, /* ODT_READ */ + 0x104, /* FBIO_CFG5 */ + 0x2bc, /* CFG_DIG_DLL */ + 0x2c0, /* DLL_XFORM_DQS */ + 0x2c4, /* DLL_XFORM_QUSE */ + 0x2e0, /* ZCAL_REF_CNT */ + 0x2e4, /* ZCAL_WAIT_CNT */ + 0x2a8, /* AUTO_CAL_INTERVAL */ + 0x2d0, /* CFG_CLKTRIM_0 */ + 0x2d4, /* CFG_CLKTRIM_1 */ + 0x2d8, /* CFG_CLKTRIM_2 */ +}; + +/* Select the closest EMC rate that is higher than the requested rate */ +long tegra_emc_round_rate(unsigned long rate) +{ + int i; + int best = -1; + unsigned long distance = ULONG_MAX; + + if (!tegra_emc_table) + return -EINVAL; + + if (!emc_enable) + return -EINVAL; + + pr_debug("%s: %lu\n", __func__, rate); + + /* + * The EMC clock rate is twice the bus rate, and the bus rate is + * measured in kHz + */ + rate = rate / 2 / 1000; + + for (i = 0; i < tegra_emc_table_size; i++) { + if (tegra_emc_table[i].rate >= rate && + (tegra_emc_table[i].rate - rate) < distance) { + distance = tegra_emc_table[i].rate - rate; + best = i; + } + } + + if (best < 0) + return -EINVAL; + + pr_debug("%s: using %lu\n", __func__, tegra_emc_table[best].rate); + + return tegra_emc_table[best].rate * 2 * 1000; +} + +/* + * The EMC registers have shadow registers. When the EMC clock is updated + * in the clock controller, the shadow registers are copied to the active + * registers, allowing glitchless memory bus frequency changes. + * This function updates the shadow registers for a new clock frequency, + * and relies on the clock lock on the emc clock to avoid races between + * multiple frequency changes + */ +int tegra_emc_set_rate(unsigned long rate) +{ + int i; + int j; + + if (!tegra_emc_table) + return -EINVAL; + + /* + * The EMC clock rate is twice the bus rate, and the bus rate is + * measured in kHz + */ + rate = rate / 2 / 1000; + + for (i = 0; i < tegra_emc_table_size; i++) + if (tegra_emc_table[i].rate == rate) + break; + + if (i >= tegra_emc_table_size) + return -EINVAL; + + pr_debug("%s: setting to %lu\n", __func__, rate); + + for (j = 0; j < TEGRA_EMC_NUM_REGS; j++) + emc_writel(tegra_emc_table[i].regs[j], emc_reg_addr[j]); + + emc_readl(tegra_emc_table[i].regs[TEGRA_EMC_NUM_REGS - 1]); + + return 0; +} + +void tegra_init_emc(const struct tegra_emc_table *table, int table_size) +{ + tegra_emc_table = table; + tegra_emc_table_size = table_size; +} diff --git a/arch/arm/mach-tegra/tegra2_emc.h b/arch/arm/mach-tegra/tegra2_emc.h new file mode 100644 index 000000000000..19f08cb31603 --- /dev/null +++ b/arch/arm/mach-tegra/tegra2_emc.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2011 Google, Inc. + * + * Author: + * Colin Cross <ccross@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#define TEGRA_EMC_NUM_REGS 46 + +struct tegra_emc_table { + unsigned long rate; + u32 regs[TEGRA_EMC_NUM_REGS]; +}; + +int tegra_emc_set_rate(unsigned long rate); +long tegra_emc_round_rate(unsigned long rate); +void tegra_init_emc(const struct tegra_emc_table *table, int table_size); diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c index 7b8ad1f98f44..0fcb1eb4214d 100644 --- a/arch/arm/mach-tegra/timer.c +++ b/arch/arm/mach-tegra/timer.c @@ -18,6 +18,7 @@ */ #include <linux/init.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/time.h> #include <linux/interrupt.h> @@ -33,10 +34,15 @@ #include <mach/iomap.h> #include <mach/irqs.h> +#include <mach/suspend.h> #include "board.h" #include "clock.h" +#define RTC_SECONDS 0x08 +#define RTC_SHADOW_SECONDS 0x0c +#define RTC_MILLISECONDS 0x10 + #define TIMERUS_CNTR_1US 0x10 #define TIMERUS_USEC_CFG 0x14 #define TIMERUS_CNTR_FREEZE 0x4c @@ -49,9 +55,11 @@ #define TIMER_PTV 0x0 #define TIMER_PCR 0x4 -struct tegra_timer; - static void __iomem *timer_reg_base = IO_ADDRESS(TEGRA_TMR1_BASE); +static void __iomem *rtc_base = IO_ADDRESS(TEGRA_RTC_BASE); + +static struct timespec persistent_ts; +static u64 persistent_ms, last_persistent_ms; #define timer_writel(value, reg) \ __raw_writel(value, (u32)timer_reg_base + (reg)) @@ -132,6 +140,42 @@ static void notrace tegra_update_sched_clock(void) update_sched_clock(&cd, cyc, (u32)~0); } +/* + * tegra_rtc_read - Reads the Tegra RTC registers + * Care must be taken that this funciton is not called while the + * tegra_rtc driver could be executing to avoid race conditions + * on the RTC shadow register + */ +u64 tegra_rtc_read_ms(void) +{ + u32 ms = readl(rtc_base + RTC_MILLISECONDS); + u32 s = readl(rtc_base + RTC_SHADOW_SECONDS); + return (u64)s * MSEC_PER_SEC + ms; +} + +/* + * read_persistent_clock - Return time from a persistent clock. + * + * Reads the time from a source which isn't disabled during PM, the + * 32k sync timer. Convert the cycles elapsed since last read into + * nsecs and adds to a monotonically increasing timespec. + * Care must be taken that this funciton is not called while the + * tegra_rtc driver could be executing to avoid race conditions + * on the RTC shadow register + */ +void read_persistent_clock(struct timespec *ts) +{ + u64 delta; + struct timespec *tsp = &persistent_ts; + + last_persistent_ms = persistent_ms; + persistent_ms = tegra_rtc_read_ms(); + delta = persistent_ms - last_persistent_ms; + + timespec_add_ns(tsp, delta * NSEC_PER_MSEC); + *ts = *tsp; +} + static irqreturn_t tegra_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = (struct clock_event_device *)dev_id; @@ -150,9 +194,22 @@ static struct irqaction tegra_timer_irq = { static void __init tegra_init_timer(void) { + struct clk *clk; unsigned long rate = clk_measure_input_freq(); int ret; + clk = clk_get_sys("timer", NULL); + BUG_ON(IS_ERR(clk)); + clk_enable(clk); + + /* + * rtc registers are used by read_persistent_clock, keep the rtc clock + * enabled + */ + clk = clk_get_sys("rtc-tegra", NULL); + BUG_ON(IS_ERR(clk)); + clk_enable(clk); + #ifdef CONFIG_HAVE_ARM_TWD twd_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x600); #endif @@ -196,10 +253,22 @@ static void __init tegra_init_timer(void) tegra_clockevent.cpumask = cpu_all_mask; tegra_clockevent.irq = tegra_timer_irq.irq; clockevents_register_device(&tegra_clockevent); - - return; } struct sys_timer tegra_timer = { .init = tegra_init_timer, }; + +#ifdef CONFIG_PM +static u32 usec_config; + +void tegra_timer_suspend(void) +{ + usec_config = timer_readl(TIMERUS_USEC_CFG); +} + +void tegra_timer_resume(void) +{ + timer_writel(usec_config, TIMERUS_USEC_CFG); +} +#endif diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c new file mode 100644 index 000000000000..88081bb3ec52 --- /dev/null +++ b/arch/arm/mach-tegra/usb_phy.c @@ -0,0 +1,795 @@ +/* + * arch/arm/mach-tegra/usb_phy.c + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Erik Gilling <konkers@google.com> + * Benoit Goby <benoit@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/resource.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <asm/mach-types.h> +#include <mach/usb_phy.h> +#include <mach/iomap.h> + +#define ULPI_VIEWPORT 0x170 + +#define USB_PORTSC1 0x184 +#define USB_PORTSC1_PTS(x) (((x) & 0x3) << 30) +#define USB_PORTSC1_PSPD(x) (((x) & 0x3) << 26) +#define USB_PORTSC1_PHCD (1 << 23) +#define USB_PORTSC1_WKOC (1 << 22) +#define USB_PORTSC1_WKDS (1 << 21) +#define USB_PORTSC1_WKCN (1 << 20) +#define USB_PORTSC1_PTC(x) (((x) & 0xf) << 16) +#define USB_PORTSC1_PP (1 << 12) +#define USB_PORTSC1_SUSP (1 << 7) +#define USB_PORTSC1_PE (1 << 2) +#define USB_PORTSC1_CCS (1 << 0) + +#define USB_SUSP_CTRL 0x400 +#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3) +#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4) +#define USB_SUSP_CLR (1 << 5) +#define USB_PHY_CLK_VALID (1 << 7) +#define UTMIP_RESET (1 << 11) +#define UHSIC_RESET (1 << 11) +#define UTMIP_PHY_ENABLE (1 << 12) +#define ULPI_PHY_ENABLE (1 << 13) +#define USB_SUSP_SET (1 << 14) +#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16) + +#define USB1_LEGACY_CTRL 0x410 +#define USB1_NO_LEGACY_MODE (1 << 0) +#define USB1_VBUS_SENSE_CTL_MASK (3 << 1) +#define USB1_VBUS_SENSE_CTL_VBUS_WAKEUP (0 << 1) +#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP \ + (1 << 1) +#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD (2 << 1) +#define USB1_VBUS_SENSE_CTL_A_SESS_VLD (3 << 1) + +#define ULPI_TIMING_CTRL_0 0x424 +#define ULPI_OUTPUT_PINMUX_BYP (1 << 10) +#define ULPI_CLKOUT_PINMUX_BYP (1 << 11) + +#define ULPI_TIMING_CTRL_1 0x428 +#define ULPI_DATA_TRIMMER_LOAD (1 << 0) +#define ULPI_DATA_TRIMMER_SEL(x) (((x) & 0x7) << 1) +#define ULPI_STPDIRNXT_TRIMMER_LOAD (1 << 16) +#define ULPI_STPDIRNXT_TRIMMER_SEL(x) (((x) & 0x7) << 17) +#define ULPI_DIR_TRIMMER_LOAD (1 << 24) +#define ULPI_DIR_TRIMMER_SEL(x) (((x) & 0x7) << 25) + +#define UTMIP_PLL_CFG1 0x804 +#define UTMIP_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) +#define UTMIP_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) + +#define UTMIP_XCVR_CFG0 0x808 +#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0) +#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8) +#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10) +#define UTMIP_FORCE_PD_POWERDOWN (1 << 14) +#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16) +#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18) +#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25) + +#define UTMIP_BIAS_CFG0 0x80c +#define UTMIP_OTGPD (1 << 11) +#define UTMIP_BIASPD (1 << 10) + +#define UTMIP_HSRX_CFG0 0x810 +#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10) +#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15) + +#define UTMIP_HSRX_CFG1 0x814 +#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1) + +#define UTMIP_TX_CFG0 0x820 +#define UTMIP_FS_PREABMLE_J (1 << 19) +#define UTMIP_HS_DISCON_DISABLE (1 << 8) + +#define UTMIP_MISC_CFG0 0x824 +#define UTMIP_DPDM_OBSERVE (1 << 26) +#define UTMIP_DPDM_OBSERVE_SEL(x) (((x) & 0xf) << 27) +#define UTMIP_DPDM_OBSERVE_SEL_FS_J UTMIP_DPDM_OBSERVE_SEL(0xf) +#define UTMIP_DPDM_OBSERVE_SEL_FS_K UTMIP_DPDM_OBSERVE_SEL(0xe) +#define UTMIP_DPDM_OBSERVE_SEL_FS_SE1 UTMIP_DPDM_OBSERVE_SEL(0xd) +#define UTMIP_DPDM_OBSERVE_SEL_FS_SE0 UTMIP_DPDM_OBSERVE_SEL(0xc) +#define UTMIP_SUSPEND_EXIT_ON_EDGE (1 << 22) + +#define UTMIP_MISC_CFG1 0x828 +#define UTMIP_PLL_ACTIVE_DLY_COUNT(x) (((x) & 0x1f) << 18) +#define UTMIP_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 6) + +#define UTMIP_DEBOUNCE_CFG0 0x82c +#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0) + +#define UTMIP_BAT_CHRG_CFG0 0x830 +#define UTMIP_PD_CHRG (1 << 0) + +#define UTMIP_SPARE_CFG0 0x834 +#define FUSE_SETUP_SEL (1 << 3) + +#define UTMIP_XCVR_CFG1 0x838 +#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0) +#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2) +#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4) +#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18) + +#define UTMIP_BIAS_CFG1 0x83c +#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3) + +static DEFINE_SPINLOCK(utmip_pad_lock); +static int utmip_pad_count; + +struct tegra_xtal_freq { + int freq; + u8 enable_delay; + u8 stable_count; + u8 active_delay; + u8 xtal_freq_count; + u16 debounce; +}; + +static const struct tegra_xtal_freq tegra_freq_table[] = { + { + .freq = 12000000, + .enable_delay = 0x02, + .stable_count = 0x2F, + .active_delay = 0x04, + .xtal_freq_count = 0x76, + .debounce = 0x7530, + }, + { + .freq = 13000000, + .enable_delay = 0x02, + .stable_count = 0x33, + .active_delay = 0x05, + .xtal_freq_count = 0x7F, + .debounce = 0x7EF4, + }, + { + .freq = 19200000, + .enable_delay = 0x03, + .stable_count = 0x4B, + .active_delay = 0x06, + .xtal_freq_count = 0xBB, + .debounce = 0xBB80, + }, + { + .freq = 26000000, + .enable_delay = 0x04, + .stable_count = 0x66, + .active_delay = 0x09, + .xtal_freq_count = 0xFE, + .debounce = 0xFDE8, + }, +}; + +static struct tegra_utmip_config utmip_default[] = { + [0] = { + .hssync_start_delay = 9, + .idle_wait_delay = 17, + .elastic_limit = 16, + .term_range_adj = 6, + .xcvr_setup = 9, + .xcvr_lsfslew = 1, + .xcvr_lsrslew = 1, + }, + [2] = { + .hssync_start_delay = 9, + .idle_wait_delay = 17, + .elastic_limit = 16, + .term_range_adj = 6, + .xcvr_setup = 9, + .xcvr_lsfslew = 2, + .xcvr_lsrslew = 2, + }, +}; + +static inline bool phy_is_ulpi(struct tegra_usb_phy *phy) +{ + return (phy->instance == 1); +} + +static int utmip_pad_open(struct tegra_usb_phy *phy) +{ + phy->pad_clk = clk_get_sys("utmip-pad", NULL); + if (IS_ERR(phy->pad_clk)) { + pr_err("%s: can't get utmip pad clock\n", __func__); + return PTR_ERR(phy->pad_clk); + } + + if (phy->instance == 0) { + phy->pad_regs = phy->regs; + } else { + phy->pad_regs = ioremap(TEGRA_USB_BASE, TEGRA_USB_SIZE); + if (!phy->pad_regs) { + pr_err("%s: can't remap usb registers\n", __func__); + clk_put(phy->pad_clk); + return -ENOMEM; + } + } + return 0; +} + +static void utmip_pad_close(struct tegra_usb_phy *phy) +{ + if (phy->instance != 0) + iounmap(phy->pad_regs); + clk_put(phy->pad_clk); +} + +static void utmip_pad_power_on(struct tegra_usb_phy *phy) +{ + unsigned long val, flags; + void __iomem *base = phy->pad_regs; + + clk_enable(phy->pad_clk); + + spin_lock_irqsave(&utmip_pad_lock, flags); + + if (utmip_pad_count++ == 0) { + val = readl(base + UTMIP_BIAS_CFG0); + val &= ~(UTMIP_OTGPD | UTMIP_BIASPD); + writel(val, base + UTMIP_BIAS_CFG0); + } + + spin_unlock_irqrestore(&utmip_pad_lock, flags); + + clk_disable(phy->pad_clk); +} + +static int utmip_pad_power_off(struct tegra_usb_phy *phy) +{ + unsigned long val, flags; + void __iomem *base = phy->pad_regs; + + if (!utmip_pad_count) { + pr_err("%s: utmip pad already powered off\n", __func__); + return -EINVAL; + } + + clk_enable(phy->pad_clk); + + spin_lock_irqsave(&utmip_pad_lock, flags); + + if (--utmip_pad_count == 0) { + val = readl(base + UTMIP_BIAS_CFG0); + val |= UTMIP_OTGPD | UTMIP_BIASPD; + writel(val, base + UTMIP_BIAS_CFG0); + } + + spin_unlock_irqrestore(&utmip_pad_lock, flags); + + clk_disable(phy->pad_clk); + + return 0; +} + +static int utmi_wait_register(void __iomem *reg, u32 mask, u32 result) +{ + unsigned long timeout = 2000; + do { + if ((readl(reg) & mask) == result) + return 0; + udelay(1); + timeout--; + } while (timeout); + return -1; +} + +static void utmi_phy_clk_disable(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + if (phy->instance == 0) { + val = readl(base + USB_SUSP_CTRL); + val |= USB_SUSP_SET; + writel(val, base + USB_SUSP_CTRL); + + udelay(10); + + val = readl(base + USB_SUSP_CTRL); + val &= ~USB_SUSP_SET; + writel(val, base + USB_SUSP_CTRL); + } + + if (phy->instance == 2) { + val = readl(base + USB_PORTSC1); + val |= USB_PORTSC1_PHCD; + writel(val, base + USB_PORTSC1); + } + + if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, 0) < 0) + pr_err("%s: timeout waiting for phy to stabilize\n", __func__); +} + +static void utmi_phy_clk_enable(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + if (phy->instance == 0) { + val = readl(base + USB_SUSP_CTRL); + val |= USB_SUSP_CLR; + writel(val, base + USB_SUSP_CTRL); + + udelay(10); + + val = readl(base + USB_SUSP_CTRL); + val &= ~USB_SUSP_CLR; + writel(val, base + USB_SUSP_CTRL); + } + + if (phy->instance == 2) { + val = readl(base + USB_PORTSC1); + val &= ~USB_PORTSC1_PHCD; + writel(val, base + USB_PORTSC1); + } + + if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, + USB_PHY_CLK_VALID)) + pr_err("%s: timeout waiting for phy to stabilize\n", __func__); +} + +static int utmi_phy_power_on(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + struct tegra_utmip_config *config = phy->config; + + val = readl(base + USB_SUSP_CTRL); + val |= UTMIP_RESET; + writel(val, base + USB_SUSP_CTRL); + + if (phy->instance == 0) { + val = readl(base + USB1_LEGACY_CTRL); + val |= USB1_NO_LEGACY_MODE; + writel(val, base + USB1_LEGACY_CTRL); + } + + val = readl(base + UTMIP_TX_CFG0); + val &= ~UTMIP_FS_PREABMLE_J; + writel(val, base + UTMIP_TX_CFG0); + + val = readl(base + UTMIP_HSRX_CFG0); + val &= ~(UTMIP_IDLE_WAIT(~0) | UTMIP_ELASTIC_LIMIT(~0)); + val |= UTMIP_IDLE_WAIT(config->idle_wait_delay); + val |= UTMIP_ELASTIC_LIMIT(config->elastic_limit); + writel(val, base + UTMIP_HSRX_CFG0); + + val = readl(base + UTMIP_HSRX_CFG1); + val &= ~UTMIP_HS_SYNC_START_DLY(~0); + val |= UTMIP_HS_SYNC_START_DLY(config->hssync_start_delay); + writel(val, base + UTMIP_HSRX_CFG1); + + val = readl(base + UTMIP_DEBOUNCE_CFG0); + val &= ~UTMIP_BIAS_DEBOUNCE_A(~0); + val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce); + writel(val, base + UTMIP_DEBOUNCE_CFG0); + + val = readl(base + UTMIP_MISC_CFG0); + val &= ~UTMIP_SUSPEND_EXIT_ON_EDGE; + writel(val, base + UTMIP_MISC_CFG0); + + val = readl(base + UTMIP_MISC_CFG1); + val &= ~(UTMIP_PLL_ACTIVE_DLY_COUNT(~0) | UTMIP_PLLU_STABLE_COUNT(~0)); + val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) | + UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count); + writel(val, base + UTMIP_MISC_CFG1); + + val = readl(base + UTMIP_PLL_CFG1); + val &= ~(UTMIP_XTAL_FREQ_COUNT(~0) | UTMIP_PLLU_ENABLE_DLY_COUNT(~0)); + val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) | + UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay); + writel(val, base + UTMIP_PLL_CFG1); + + if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) { + val = readl(base + USB_SUSP_CTRL); + val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV); + writel(val, base + USB_SUSP_CTRL); + } + + utmip_pad_power_on(phy); + + val = readl(base + UTMIP_XCVR_CFG0); + val &= ~(UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN | + UTMIP_FORCE_PDZI_POWERDOWN | UTMIP_XCVR_SETUP(~0) | + UTMIP_XCVR_LSFSLEW(~0) | UTMIP_XCVR_LSRSLEW(~0) | + UTMIP_XCVR_HSSLEW_MSB(~0)); + val |= UTMIP_XCVR_SETUP(config->xcvr_setup); + val |= UTMIP_XCVR_LSFSLEW(config->xcvr_lsfslew); + val |= UTMIP_XCVR_LSRSLEW(config->xcvr_lsrslew); + writel(val, base + UTMIP_XCVR_CFG0); + + val = readl(base + UTMIP_XCVR_CFG1); + val &= ~(UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN | + UTMIP_FORCE_PDDR_POWERDOWN | UTMIP_XCVR_TERM_RANGE_ADJ(~0)); + val |= UTMIP_XCVR_TERM_RANGE_ADJ(config->term_range_adj); + writel(val, base + UTMIP_XCVR_CFG1); + + val = readl(base + UTMIP_BAT_CHRG_CFG0); + val &= ~UTMIP_PD_CHRG; + writel(val, base + UTMIP_BAT_CHRG_CFG0); + + val = readl(base + UTMIP_BIAS_CFG1); + val &= ~UTMIP_BIAS_PDTRK_COUNT(~0); + val |= UTMIP_BIAS_PDTRK_COUNT(0x5); + writel(val, base + UTMIP_BIAS_CFG1); + + if (phy->instance == 0) { + val = readl(base + UTMIP_SPARE_CFG0); + if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) + val &= ~FUSE_SETUP_SEL; + else + val |= FUSE_SETUP_SEL; + writel(val, base + UTMIP_SPARE_CFG0); + } + + if (phy->instance == 2) { + val = readl(base + USB_SUSP_CTRL); + val |= UTMIP_PHY_ENABLE; + writel(val, base + USB_SUSP_CTRL); + } + + val = readl(base + USB_SUSP_CTRL); + val &= ~UTMIP_RESET; + writel(val, base + USB_SUSP_CTRL); + + if (phy->instance == 0) { + val = readl(base + USB1_LEGACY_CTRL); + val &= ~USB1_VBUS_SENSE_CTL_MASK; + val |= USB1_VBUS_SENSE_CTL_A_SESS_VLD; + writel(val, base + USB1_LEGACY_CTRL); + + val = readl(base + USB_SUSP_CTRL); + val &= ~USB_SUSP_SET; + writel(val, base + USB_SUSP_CTRL); + } + + utmi_phy_clk_enable(phy); + + if (phy->instance == 2) { + val = readl(base + USB_PORTSC1); + val &= ~USB_PORTSC1_PTS(~0); + writel(val, base + USB_PORTSC1); + } + + return 0; +} + +static void utmi_phy_power_off(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + utmi_phy_clk_disable(phy); + + if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) { + val = readl(base + USB_SUSP_CTRL); + val &= ~USB_WAKEUP_DEBOUNCE_COUNT(~0); + val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5); + writel(val, base + USB_SUSP_CTRL); + } + + val = readl(base + USB_SUSP_CTRL); + val |= UTMIP_RESET; + writel(val, base + USB_SUSP_CTRL); + + val = readl(base + UTMIP_BAT_CHRG_CFG0); + val |= UTMIP_PD_CHRG; + writel(val, base + UTMIP_BAT_CHRG_CFG0); + + val = readl(base + UTMIP_XCVR_CFG0); + val |= UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN | + UTMIP_FORCE_PDZI_POWERDOWN; + writel(val, base + UTMIP_XCVR_CFG0); + + val = readl(base + UTMIP_XCVR_CFG1); + val |= UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN | + UTMIP_FORCE_PDDR_POWERDOWN; + writel(val, base + UTMIP_XCVR_CFG1); + + utmip_pad_power_off(phy); +} + +static void utmi_phy_preresume(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + val = readl(base + UTMIP_TX_CFG0); + val |= UTMIP_HS_DISCON_DISABLE; + writel(val, base + UTMIP_TX_CFG0); +} + +static void utmi_phy_postresume(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + val = readl(base + UTMIP_TX_CFG0); + val &= ~UTMIP_HS_DISCON_DISABLE; + writel(val, base + UTMIP_TX_CFG0); +} + +static void utmi_phy_restore_start(struct tegra_usb_phy *phy, + enum tegra_usb_phy_port_speed port_speed) +{ + unsigned long val; + void __iomem *base = phy->regs; + + val = readl(base + UTMIP_MISC_CFG0); + val &= ~UTMIP_DPDM_OBSERVE_SEL(~0); + if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW) + val |= UTMIP_DPDM_OBSERVE_SEL_FS_K; + else + val |= UTMIP_DPDM_OBSERVE_SEL_FS_J; + writel(val, base + UTMIP_MISC_CFG0); + udelay(1); + + val = readl(base + UTMIP_MISC_CFG0); + val |= UTMIP_DPDM_OBSERVE; + writel(val, base + UTMIP_MISC_CFG0); + udelay(10); +} + +static void utmi_phy_restore_end(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + + val = readl(base + UTMIP_MISC_CFG0); + val &= ~UTMIP_DPDM_OBSERVE; + writel(val, base + UTMIP_MISC_CFG0); + udelay(10); +} + +static int ulpi_phy_power_on(struct tegra_usb_phy *phy) +{ + int ret; + unsigned long val; + void __iomem *base = phy->regs; + struct tegra_ulpi_config *config = phy->config; + + gpio_direction_output(config->reset_gpio, 0); + msleep(5); + gpio_direction_output(config->reset_gpio, 1); + + clk_enable(phy->clk); + msleep(1); + + val = readl(base + USB_SUSP_CTRL); + val |= UHSIC_RESET; + writel(val, base + USB_SUSP_CTRL); + + val = readl(base + ULPI_TIMING_CTRL_0); + val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP; + writel(val, base + ULPI_TIMING_CTRL_0); + + val = readl(base + USB_SUSP_CTRL); + val |= ULPI_PHY_ENABLE; + writel(val, base + USB_SUSP_CTRL); + + val = 0; + writel(val, base + ULPI_TIMING_CTRL_1); + + val |= ULPI_DATA_TRIMMER_SEL(4); + val |= ULPI_STPDIRNXT_TRIMMER_SEL(4); + val |= ULPI_DIR_TRIMMER_SEL(4); + writel(val, base + ULPI_TIMING_CTRL_1); + udelay(10); + + val |= ULPI_DATA_TRIMMER_LOAD; + val |= ULPI_STPDIRNXT_TRIMMER_LOAD; + val |= ULPI_DIR_TRIMMER_LOAD; + writel(val, base + ULPI_TIMING_CTRL_1); + + /* Fix VbusInvalid due to floating VBUS */ + ret = otg_io_write(phy->ulpi, 0x40, 0x08); + if (ret) { + pr_err("%s: ulpi write failed\n", __func__); + return ret; + } + + ret = otg_io_write(phy->ulpi, 0x80, 0x0B); + if (ret) { + pr_err("%s: ulpi write failed\n", __func__); + return ret; + } + + val = readl(base + USB_PORTSC1); + val |= USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN; + writel(val, base + USB_PORTSC1); + + val = readl(base + USB_SUSP_CTRL); + val |= USB_SUSP_CLR; + writel(val, base + USB_SUSP_CTRL); + udelay(100); + + val = readl(base + USB_SUSP_CTRL); + val &= ~USB_SUSP_CLR; + writel(val, base + USB_SUSP_CTRL); + + return 0; +} + +static void ulpi_phy_power_off(struct tegra_usb_phy *phy) +{ + unsigned long val; + void __iomem *base = phy->regs; + struct tegra_ulpi_config *config = phy->config; + + /* Clear WKCN/WKDS/WKOC wake-on events that can cause the USB + * Controller to immediately bring the ULPI PHY out of low power + */ + val = readl(base + USB_PORTSC1); + val &= ~(USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN); + writel(val, base + USB_PORTSC1); + + gpio_direction_output(config->reset_gpio, 0); + clk_disable(phy->clk); +} + +struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, + void *config, enum tegra_usb_phy_mode phy_mode) +{ + struct tegra_usb_phy *phy; + struct tegra_ulpi_config *ulpi_config; + unsigned long parent_rate; + int i; + int err; + + phy = kmalloc(sizeof(struct tegra_usb_phy), GFP_KERNEL); + if (!phy) + return ERR_PTR(-ENOMEM); + + phy->instance = instance; + phy->regs = regs; + phy->config = config; + phy->mode = phy_mode; + + if (!phy->config) { + if (phy_is_ulpi(phy)) { + pr_err("%s: ulpi phy configuration missing", __func__); + err = -EINVAL; + goto err0; + } else { + phy->config = &utmip_default[instance]; + } + } + + phy->pll_u = clk_get_sys(NULL, "pll_u"); + if (IS_ERR(phy->pll_u)) { + pr_err("Can't get pll_u clock\n"); + err = PTR_ERR(phy->pll_u); + goto err0; + } + clk_enable(phy->pll_u); + + parent_rate = clk_get_rate(clk_get_parent(phy->pll_u)); + for (i = 0; i < ARRAY_SIZE(tegra_freq_table); i++) { + if (tegra_freq_table[i].freq == parent_rate) { + phy->freq = &tegra_freq_table[i]; + break; + } + } + if (!phy->freq) { + pr_err("invalid pll_u parent rate %ld\n", parent_rate); + err = -EINVAL; + goto err1; + } + + if (phy_is_ulpi(phy)) { + ulpi_config = config; + phy->clk = clk_get_sys(NULL, ulpi_config->clk); + if (IS_ERR(phy->clk)) { + pr_err("%s: can't get ulpi clock\n", __func__); + err = -ENXIO; + goto err1; + } + tegra_gpio_enable(ulpi_config->reset_gpio); + gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b"); + gpio_direction_output(ulpi_config->reset_gpio, 0); + phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0); + phy->ulpi->io_priv = regs + ULPI_VIEWPORT; + } else { + err = utmip_pad_open(phy); + if (err < 0) + goto err1; + } + + return phy; + +err1: + clk_disable(phy->pll_u); + clk_put(phy->pll_u); +err0: + kfree(phy); + return ERR_PTR(err); +} + +int tegra_usb_phy_power_on(struct tegra_usb_phy *phy) +{ + if (phy_is_ulpi(phy)) + return ulpi_phy_power_on(phy); + else + return utmi_phy_power_on(phy); +} + +void tegra_usb_phy_power_off(struct tegra_usb_phy *phy) +{ + if (phy_is_ulpi(phy)) + ulpi_phy_power_off(phy); + else + utmi_phy_power_off(phy); +} + +void tegra_usb_phy_preresume(struct tegra_usb_phy *phy) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_preresume(phy); +} + +void tegra_usb_phy_postresume(struct tegra_usb_phy *phy) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_postresume(phy); +} + +void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy, + enum tegra_usb_phy_port_speed port_speed) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_restore_start(phy, port_speed); +} + +void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_restore_end(phy); +} + +void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_clk_disable(phy); +} + +void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy) +{ + if (!phy_is_ulpi(phy)) + utmi_phy_clk_enable(phy); +} + +void tegra_usb_phy_close(struct tegra_usb_phy *phy) +{ + if (phy_is_ulpi(phy)) + clk_put(phy->clk); + else + utmip_pad_close(phy); + clk_disable(phy->pll_u); + clk_put(phy->pll_u); + kfree(phy); +} diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h index bf134bcc129d..888e2e351ee1 100644 --- a/arch/arm/mach-u300/include/mach/memory.h +++ b/arch/arm/mach-u300/include/mach/memory.h @@ -15,17 +15,17 @@ #ifdef CONFIG_MACH_U300_DUAL_RAM -#define PHYS_OFFSET UL(0x48000000) +#define PLAT_PHYS_OFFSET UL(0x48000000) #define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100) #else #ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX -#define PHYS_OFFSET (0x28000000 + \ +#define PLAT_PHYS_OFFSET (0x28000000 + \ (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \ (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024) #else -#define PHYS_OFFSET (0x28000000 + \ +#define PLAT_PHYS_OFFSET (0x28000000 + \ (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \ (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024) #endif diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c index 07c35a846424..48b3b7f39966 100644 --- a/arch/arm/mach-u300/u300.c +++ b/arch/arm/mach-u300/u300.c @@ -19,9 +19,9 @@ #include <linux/io.h> #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/memory.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <asm/memory.h> static void __init u300_reserve(void) { diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 247caa3400d0..203b986280f5 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -6,6 +6,7 @@ config UX500_SOC_COMMON select ARM_GIC select HAS_MTU select NOMADIK_GPIO + select ARM_ERRATA_753970 menu "Ux500 SoC" diff --git a/arch/arm/mach-ux500/include/mach/memory.h b/arch/arm/mach-ux500/include/mach/memory.h index 510571a59e25..2ef697a67006 100644 --- a/arch/arm/mach-ux500/include/mach/memory.h +++ b/arch/arm/mach-ux500/include/mach/memory.h @@ -12,7 +12,7 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #define BUS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig index 3f7b5e9d83c5..9cdec5aa04a0 100644 --- a/arch/arm/mach-versatile/Kconfig +++ b/arch/arm/mach-versatile/Kconfig @@ -2,17 +2,19 @@ menu "Versatile platform type" depends on ARCH_VERSATILE config ARCH_VERSATILE_PB - bool "Support Versatile/PB platform" + bool "Support Versatile Platform Baseboard for ARM926EJ-S" select CPU_ARM926T select MIGHT_HAVE_PCI default y help - Include support for the ARM(R) Versatile/PB platform. + Include support for the ARM(R) Versatile Platform Baseboard + for the ARM926EJ-S. config MACH_VERSATILE_AB - bool "Support Versatile/AB platform" + bool "Support Versatile Application Baseboard for ARM926EJ-S" select CPU_ARM926T help - Include support for the ARM(R) Versatile/AP platform. + Include support for the ARM(R) Versatile Application Baseboard + for the ARM926EJ-S. endmenu diff --git a/arch/arm/mach-versatile/include/mach/memory.h b/arch/arm/mach-versatile/include/mach/memory.h index 79aeab86b903..dacc9d8e4e6a 100644 --- a/arch/arm/mach-versatile/include/mach/memory.h +++ b/arch/arm/mach-versatile/include/mach/memory.h @@ -23,6 +23,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index e628402b754c..e9bccc5230c9 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -243,7 +243,7 @@ static void __init ct_ca9x4_init(void) } MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4") - .boot_params = PHYS_OFFSET + 0x00000100, + .boot_params = PLAT_PHYS_OFFSET + 0x00000100, .map_io = ct_ca9x4_map_io, .init_irq = ct_ca9x4_init_irq, #if 0 diff --git a/arch/arm/mach-vexpress/include/mach/memory.h b/arch/arm/mach-vexpress/include/mach/memory.h index be28232ae639..5b7fcd439d87 100644 --- a/arch/arm/mach-vexpress/include/mach/memory.h +++ b/arch/arm/mach-vexpress/include/mach/memory.h @@ -20,6 +20,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x60000000) +#define PLAT_PHYS_OFFSET UL(0x60000000) #endif diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c index b1687b6abe63..634bf1d3a311 100644 --- a/arch/arm/mach-vexpress/platsmp.c +++ b/arch/arm/mach-vexpress/platsmp.c @@ -39,7 +39,7 @@ volatile int __cpuinitdata pen_release = -1; * observers, irrespective of whether they're taking part in coherency * or not. This is necessary for the hotplug code to work reliably. */ -static void write_pen_release(int val) +static void __cpuinit write_pen_release(int val) { pen_release = val; smp_wmb(); diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index a9ed3428a2fa..1edae65a0e72 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -19,6 +19,7 @@ #include <asm/mach/time.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/timer-sp.h> +#include <asm/hardware/sp810.h> #include <mach/motherboard.h> @@ -50,8 +51,16 @@ void __init v2m_map_io(struct map_desc *tile, size_t num) static void __init v2m_timer_init(void) { + u32 scctrl; + versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000); + /* Select 1MHz TIMCLK as the reference clock for SP804 timers */ + scctrl = readl(MMIO_P2V(V2M_SYSCTL + SCCTRL)); + scctrl |= SCCTRL_TIMEREN0SEL_TIMCLK; + scctrl |= SCCTRL_TIMEREN1SEL_TIMCLK; + writel(scctrl, MMIO_P2V(V2M_SYSCTL + SCCTRL)); + writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL); writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL); diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig new file mode 100644 index 000000000000..2c20a341c11a --- /dev/null +++ b/arch/arm/mach-vt8500/Kconfig @@ -0,0 +1,73 @@ +if ARCH_VT8500 + +config VTWM_VERSION_VT8500 + bool + +config VTWM_VERSION_WM8505 + bool + +config MACH_BV07 + bool "Benign BV07-8500 Mini Netbook" + depends on ARCH_VT8500 + select VTWM_VERSION_VT8500 + help + Add support for the inexpensive 7-inch netbooks sold by many + Chinese distributors under various names. Note that there are + many hardware implementations in identical exterior, make sure + that yours is indeed based on a VIA VT8500 chip. + +config MACH_WM8505_7IN_NETBOOK + bool "WM8505 7-inch generic netbook" + depends on ARCH_VT8500 + select VTWM_VERSION_WM8505 + help + Add support for the inexpensive 7-inch netbooks sold by many + Chinese distributors under various names. Note that there are + many hardware implementations in identical exterior, make sure + that yours is indeed based on a WonderMedia WM8505 chip. + +comment "LCD panel size" + +config WMT_PANEL_800X480 + bool "7-inch with 800x480 resolution" + depends on (FB_VT8500 || FB_WM8505) + default y + help + These are found in most of the netbooks in generic cases, as + well as in Eken M001 tablets and possibly elsewhere. + + To select this panel at runtime, say y here and append + 'panel=800x480' to your kernel command line. Otherwise, the + largest one available will be used. + +config WMT_PANEL_800X600 + bool "8-inch with 800x600 resolution" + depends on (FB_VT8500 || FB_WM8505) + help + These are found in Eken M003 tablets and possibly elsewhere. + + To select this panel at runtime, say y here and append + 'panel=800x600' to your kernel command line. Otherwise, the + largest one available will be used. + +config WMT_PANEL_1024X576 + bool "10-inch with 1024x576 resolution" + depends on (FB_VT8500 || FB_WM8505) + help + These are found in CherryPal netbooks and possibly elsewhere. + + To select this panel at runtime, say y here and append + 'panel=1024x576' to your kernel command line. Otherwise, the + largest one available will be used. + +config WMT_PANEL_1024X600 + bool "10-inch with 1024x600 resolution" + depends on (FB_VT8500 || FB_WM8505) + help + These are found in Eken M006 tablets and possibly elsewhere. + + To select this panel at runtime, say y here and append + 'panel=1024x600' to your kernel command line. Otherwise, the + largest one available will be used. + +endif diff --git a/arch/arm/mach-vt8500/Makefile b/arch/arm/mach-vt8500/Makefile new file mode 100644 index 000000000000..81aedb7c893c --- /dev/null +++ b/arch/arm/mach-vt8500/Makefile @@ -0,0 +1,9 @@ +obj-y += devices.o gpio.o irq.o timer.o + +obj-$(CONFIG_VTWM_VERSION_VT8500) += devices-vt8500.o +obj-$(CONFIG_VTWM_VERSION_WM8505) += devices-wm8505.o + +obj-$(CONFIG_MACH_BV07) += bv07.o +obj-$(CONFIG_MACH_WM8505_7IN_NETBOOK) += wm8505_7in.o + +obj-$(CONFIG_HAVE_PWM) += pwm.o diff --git a/arch/arm/mach-vt8500/Makefile.boot b/arch/arm/mach-vt8500/Makefile.boot new file mode 100644 index 000000000000..a8acc4e24902 --- /dev/null +++ b/arch/arm/mach-vt8500/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x01000000 diff --git a/arch/arm/mach-vt8500/bv07.c b/arch/arm/mach-vt8500/bv07.c new file mode 100644 index 000000000000..94a261d86bf0 --- /dev/null +++ b/arch/arm/mach-vt8500/bv07.c @@ -0,0 +1,77 @@ +/* + * arch/arm/mach-vt8500/bv07.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/pm.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "devices.h" + +static void __iomem *pmc_hiber; + +static struct platform_device *devices[] __initdata = { + &vt8500_device_uart0, + &vt8500_device_lcdc, + &vt8500_device_ehci, + &vt8500_device_ge_rops, + &vt8500_device_pwm, + &vt8500_device_pwmbl, + &vt8500_device_rtc, +}; + +static void vt8500_power_off(void) +{ + local_irq_disable(); + writew(5, pmc_hiber); + asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); +} + +void __init bv07_init(void) +{ +#ifdef CONFIG_FB_VT8500 + void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4); + if (gpio_mux_reg) { + writel(readl(gpio_mux_reg) | 1, gpio_mux_reg); + iounmap(gpio_mux_reg); + } else { + printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n"); + } +#endif + pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2); + if (pmc_hiber) + pm_power_off = &vt8500_power_off; + else + printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n"); + + vt8500_set_resources(); + platform_add_devices(devices, ARRAY_SIZE(devices)); + vt8500_gpio_init(); +} + +MACHINE_START(BV07, "Benign BV07 Mini Netbook") + .boot_params = 0x00000100, + .reserve = vt8500_reserve_mem, + .map_io = vt8500_map_io, + .init_irq = vt8500_init_irq, + .timer = &vt8500_timer, + .init_machine = bv07_init, +MACHINE_END diff --git a/arch/arm/mach-vt8500/devices-vt8500.c b/arch/arm/mach-vt8500/devices-vt8500.c new file mode 100644 index 000000000000..19519aeecf37 --- /dev/null +++ b/arch/arm/mach-vt8500/devices-vt8500.c @@ -0,0 +1,91 @@ +/* linux/arch/arm/mach-vt8500/devices-vt8500.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/platform_device.h> + +#include <mach/vt8500_regs.h> +#include <mach/vt8500_irqs.h> +#include <mach/i8042.h> +#include "devices.h" + +void __init vt8500_set_resources(void) +{ + struct resource tmp[3]; + + tmp[0] = wmt_mmio_res(VT8500_LCDC_BASE, SZ_1K); + tmp[1] = wmt_irq_res(IRQ_LCDC); + wmt_res_add(&vt8500_device_lcdc, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_UART0_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART0); + wmt_res_add(&vt8500_device_uart0, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_UART1_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART1); + wmt_res_add(&vt8500_device_uart1, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_UART2_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART2); + wmt_res_add(&vt8500_device_uart2, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_UART3_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART3); + wmt_res_add(&vt8500_device_uart3, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_EHCI_BASE, SZ_512); + tmp[1] = wmt_irq_res(IRQ_EHCI); + wmt_res_add(&vt8500_device_ehci, tmp, 2); + + tmp[0] = wmt_mmio_res(VT8500_GEGEA_BASE, SZ_256); + wmt_res_add(&vt8500_device_ge_rops, tmp, 1); + + tmp[0] = wmt_mmio_res(VT8500_PWM_BASE, 0x44); + wmt_res_add(&vt8500_device_pwm, tmp, 1); + + tmp[0] = wmt_mmio_res(VT8500_RTC_BASE, 0x2c); + tmp[1] = wmt_irq_res(IRQ_RTC); + tmp[2] = wmt_irq_res(IRQ_RTCSM); + wmt_res_add(&vt8500_device_rtc, tmp, 3); +} + +static void __init vt8500_set_externs(void) +{ + /* Non-resource-aware stuff */ + wmt_ic_base = VT8500_IC_BASE; + wmt_gpio_base = VT8500_GPIO_BASE; + wmt_pmc_base = VT8500_PMC_BASE; + wmt_i8042_base = VT8500_PS2_BASE; + + wmt_nr_irqs = VT8500_NR_IRQS; + wmt_timer_irq = IRQ_PMCOS0; + wmt_gpio_ext_irq[0] = IRQ_EXT0; + wmt_gpio_ext_irq[1] = IRQ_EXT1; + wmt_gpio_ext_irq[2] = IRQ_EXT2; + wmt_gpio_ext_irq[3] = IRQ_EXT3; + wmt_gpio_ext_irq[4] = IRQ_EXT4; + wmt_gpio_ext_irq[5] = IRQ_EXT5; + wmt_gpio_ext_irq[6] = IRQ_EXT6; + wmt_gpio_ext_irq[7] = IRQ_EXT7; + wmt_i8042_kbd_irq = IRQ_PS2KBD; + wmt_i8042_aux_irq = IRQ_PS2MOUSE; +} + +void __init vt8500_map_io(void) +{ + iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc)); + + /* Should be done before interrupts and timers are initialized */ + vt8500_set_externs(); +} diff --git a/arch/arm/mach-vt8500/devices-wm8505.c b/arch/arm/mach-vt8500/devices-wm8505.c new file mode 100644 index 000000000000..db4594e029f4 --- /dev/null +++ b/arch/arm/mach-vt8500/devices-wm8505.c @@ -0,0 +1,99 @@ +/* linux/arch/arm/mach-vt8500/devices-wm8505.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/platform_device.h> + +#include <mach/wm8505_regs.h> +#include <mach/wm8505_irqs.h> +#include <mach/i8042.h> +#include "devices.h" + +void __init wm8505_set_resources(void) +{ + struct resource tmp[3]; + + tmp[0] = wmt_mmio_res(WM8505_GOVR_BASE, SZ_512); + wmt_res_add(&vt8500_device_wm8505_fb, tmp, 1); + + tmp[0] = wmt_mmio_res(WM8505_UART0_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART0); + wmt_res_add(&vt8500_device_uart0, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_UART1_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART1); + wmt_res_add(&vt8500_device_uart1, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_UART2_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART2); + wmt_res_add(&vt8500_device_uart2, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_UART3_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART3); + wmt_res_add(&vt8500_device_uart3, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_UART4_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART4); + wmt_res_add(&vt8500_device_uart4, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_UART5_BASE, 0x1040); + tmp[1] = wmt_irq_res(IRQ_UART5); + wmt_res_add(&vt8500_device_uart5, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_EHCI_BASE, SZ_512); + tmp[1] = wmt_irq_res(IRQ_EHCI); + wmt_res_add(&vt8500_device_ehci, tmp, 2); + + tmp[0] = wmt_mmio_res(WM8505_GEGEA_BASE, SZ_256); + wmt_res_add(&vt8500_device_ge_rops, tmp, 1); + + tmp[0] = wmt_mmio_res(WM8505_PWM_BASE, 0x44); + wmt_res_add(&vt8500_device_pwm, tmp, 1); + + tmp[0] = wmt_mmio_res(WM8505_RTC_BASE, 0x2c); + tmp[1] = wmt_irq_res(IRQ_RTC); + tmp[2] = wmt_irq_res(IRQ_RTCSM); + wmt_res_add(&vt8500_device_rtc, tmp, 3); +} + +static void __init wm8505_set_externs(void) +{ + /* Non-resource-aware stuff */ + wmt_ic_base = WM8505_IC_BASE; + wmt_sic_base = WM8505_SIC_BASE; + wmt_gpio_base = WM8505_GPIO_BASE; + wmt_pmc_base = WM8505_PMC_BASE; + wmt_i8042_base = WM8505_PS2_BASE; + + wmt_nr_irqs = WM8505_NR_IRQS; + wmt_timer_irq = IRQ_PMCOS0; + wmt_gpio_ext_irq[0] = IRQ_EXT0; + wmt_gpio_ext_irq[1] = IRQ_EXT1; + wmt_gpio_ext_irq[2] = IRQ_EXT2; + wmt_gpio_ext_irq[3] = IRQ_EXT3; + wmt_gpio_ext_irq[4] = IRQ_EXT4; + wmt_gpio_ext_irq[5] = IRQ_EXT5; + wmt_gpio_ext_irq[6] = IRQ_EXT6; + wmt_gpio_ext_irq[7] = IRQ_EXT7; + wmt_i8042_kbd_irq = IRQ_PS2KBD; + wmt_i8042_aux_irq = IRQ_PS2MOUSE; +} + +void __init wm8505_map_io(void) +{ + iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc)); + + /* Should be done before interrupts and timers are initialized */ + wm8505_set_externs(); +} diff --git a/arch/arm/mach-vt8500/devices.c b/arch/arm/mach-vt8500/devices.c new file mode 100644 index 000000000000..1fcdc36b358d --- /dev/null +++ b/arch/arm/mach-vt8500/devices.c @@ -0,0 +1,270 @@ +/* linux/arch/arm/mach-vt8500/devices.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/pwm_backlight.h> +#include <linux/memblock.h> + +#include <asm/mach/arch.h> + +#include <mach/vt8500fb.h> +#include <mach/i8042.h> +#include "devices.h" + +/* These can't use resources currently */ +unsigned long wmt_ic_base __initdata; +unsigned long wmt_sic_base __initdata; +unsigned long wmt_gpio_base __initdata; +unsigned long wmt_pmc_base __initdata; +unsigned long wmt_i8042_base __initdata; + +int wmt_nr_irqs __initdata; +int wmt_timer_irq __initdata; +int wmt_gpio_ext_irq[8] __initdata; + +/* Should remain accessible after init. + * i8042 driver desperately calls for attention... + */ +int wmt_i8042_kbd_irq; +int wmt_i8042_aux_irq; + +static u64 fb_dma_mask = DMA_BIT_MASK(32); + +struct platform_device vt8500_device_lcdc = { + .name = "vt8500-lcd", + .id = 0, + .dev = { + .dma_mask = &fb_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device vt8500_device_wm8505_fb = { + .name = "wm8505-fb", + .id = 0, +}; + +/* Smallest to largest */ +static struct vt8500fb_platform_data panels[] = { +#ifdef CONFIG_WMT_PANEL_800X480 +{ + .xres_virtual = 800, + .yres_virtual = 480 * 2, + .mode = { + .name = "800x480", + .xres = 800, + .yres = 480, + .left_margin = 88, + .right_margin = 40, + .upper_margin = 32, + .lower_margin = 11, + .hsync_len = 0, + .vsync_len = 1, + .vmode = FB_VMODE_NONINTERLACED, + }, +}, +#endif +#ifdef CONFIG_WMT_PANEL_800X600 +{ + .xres_virtual = 800, + .yres_virtual = 600 * 2, + .mode = { + .name = "800x600", + .xres = 800, + .yres = 600, + .left_margin = 88, + .right_margin = 40, + .upper_margin = 32, + .lower_margin = 11, + .hsync_len = 0, + .vsync_len = 1, + .vmode = FB_VMODE_NONINTERLACED, + }, +}, +#endif +#ifdef CONFIG_WMT_PANEL_1024X576 +{ + .xres_virtual = 1024, + .yres_virtual = 576 * 2, + .mode = { + .name = "1024x576", + .xres = 1024, + .yres = 576, + .left_margin = 40, + .right_margin = 24, + .upper_margin = 32, + .lower_margin = 11, + .hsync_len = 96, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + }, +}, +#endif +#ifdef CONFIG_WMT_PANEL_1024X600 +{ + .xres_virtual = 1024, + .yres_virtual = 600 * 2, + .mode = { + .name = "1024x600", + .xres = 1024, + .yres = 600, + .left_margin = 66, + .right_margin = 2, + .upper_margin = 19, + .lower_margin = 1, + .hsync_len = 23, + .vsync_len = 8, + .vmode = FB_VMODE_NONINTERLACED, + }, +}, +#endif +}; + +static int current_panel_idx __initdata = ARRAY_SIZE(panels) - 1; + +static int __init panel_setup(char *str) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(panels); i++) { + if (strcmp(panels[i].mode.name, str) == 0) { + current_panel_idx = i; + break; + } + } + return 0; +} + +early_param("panel", panel_setup); + +static inline void preallocate_fb(struct vt8500fb_platform_data *p, + unsigned long align) { + p->video_mem_len = (p->xres_virtual * p->yres_virtual * 4) >> + (p->bpp > 16 ? 0 : (p->bpp > 8 ? 1 : + (8 / p->bpp) + 1)); + p->video_mem_phys = (unsigned long)memblock_alloc(p->video_mem_len, + align); + p->video_mem_virt = phys_to_virt(p->video_mem_phys); +} + +struct platform_device vt8500_device_uart0 = { + .name = "vt8500_serial", + .id = 0, +}; + +struct platform_device vt8500_device_uart1 = { + .name = "vt8500_serial", + .id = 1, +}; + +struct platform_device vt8500_device_uart2 = { + .name = "vt8500_serial", + .id = 2, +}; + +struct platform_device vt8500_device_uart3 = { + .name = "vt8500_serial", + .id = 3, +}; + +struct platform_device vt8500_device_uart4 = { + .name = "vt8500_serial", + .id = 4, +}; + +struct platform_device vt8500_device_uart5 = { + .name = "vt8500_serial", + .id = 5, +}; + +static u64 ehci_dma_mask = DMA_BIT_MASK(32); + +struct platform_device vt8500_device_ehci = { + .name = "vt8500-ehci", + .id = 0, + .dev = { + .dma_mask = &ehci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct platform_device vt8500_device_ge_rops = { + .name = "wmt_ge_rops", + .id = -1, +}; + +struct platform_device vt8500_device_pwm = { + .name = "vt8500-pwm", + .id = 0, +}; + +static struct platform_pwm_backlight_data vt8500_pwmbl_data = { + .pwm_id = 0, + .max_brightness = 128, + .dft_brightness = 70, + .pwm_period_ns = 250000, /* revisit when clocks are implemented */ +}; + +struct platform_device vt8500_device_pwmbl = { + .name = "pwm-backlight", + .id = 0, + .dev = { + .platform_data = &vt8500_pwmbl_data, + }, +}; + +struct platform_device vt8500_device_rtc = { + .name = "vt8500-rtc", + .id = 0, +}; + +struct map_desc wmt_io_desc[] __initdata = { + /* SoC MMIO registers */ + [0] = { + .virtual = 0xf8000000, + .pfn = __phys_to_pfn(0xd8000000), + .length = 0x00390000, /* max of all chip variants */ + .type = MT_DEVICE + }, + /* PCI I/O space, numbers tied to those in <mach/io.h> */ + [1] = { + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(0xc0000000), + .length = SZ_64K, + .type = MT_DEVICE + }, +}; + +void __init vt8500_reserve_mem(void) +{ +#ifdef CONFIG_FB_VT8500 + panels[current_panel_idx].bpp = 16; /* Always use RGB565 */ + preallocate_fb(&panels[current_panel_idx], SZ_4M); + vt8500_device_lcdc.dev.platform_data = &panels[current_panel_idx]; +#endif +} + +void __init wm8505_reserve_mem(void) +{ +#if defined CONFIG_FB_WM8505 + panels[current_panel_idx].bpp = 32; /* Always use RGB888 */ + preallocate_fb(&panels[current_panel_idx], 32); + vt8500_device_wm8505_fb.dev.platform_data = &panels[current_panel_idx]; +#endif +} diff --git a/arch/arm/mach-vt8500/devices.h b/arch/arm/mach-vt8500/devices.h new file mode 100644 index 000000000000..188d4e17f35c --- /dev/null +++ b/arch/arm/mach-vt8500/devices.h @@ -0,0 +1,88 @@ +/* linux/arch/arm/mach-vt8500/devices.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __ARCH_ARM_MACH_VT8500_DEVICES_H +#define __ARCH_ARM_MACH_VT8500_DEVICES_H + +#include <linux/platform_device.h> +#include <asm/mach/map.h> + +void __init vt8500_init_irq(void); +void __init wm8505_init_irq(void); +void __init vt8500_map_io(void); +void __init wm8505_map_io(void); +void __init vt8500_reserve_mem(void); +void __init wm8505_reserve_mem(void); +void __init vt8500_gpio_init(void); +void __init vt8500_set_resources(void); +void __init wm8505_set_resources(void); + +extern unsigned long wmt_ic_base __initdata; +extern unsigned long wmt_sic_base __initdata; +extern unsigned long wmt_gpio_base __initdata; +extern unsigned long wmt_pmc_base __initdata; + +extern int wmt_nr_irqs __initdata; +extern int wmt_timer_irq __initdata; +extern int wmt_gpio_ext_irq[8] __initdata; + +extern struct map_desc wmt_io_desc[2] __initdata; + +static inline struct resource wmt_mmio_res(u32 start, u32 size) +{ + struct resource tmp = { + .flags = IORESOURCE_MEM, + .start = start, + .end = start + size - 1, + }; + + return tmp; +} + +static inline struct resource wmt_irq_res(int irq) +{ + struct resource tmp = { + .flags = IORESOURCE_IRQ, + .start = irq, + .end = irq, + }; + + return tmp; +} + +static inline void wmt_res_add(struct platform_device *pdev, + const struct resource *res, unsigned int num) +{ + if (unlikely(platform_device_add_resources(pdev, res, num))) + pr_err("Failed to assign resources\n"); +} + +extern struct sys_timer vt8500_timer; + +extern struct platform_device vt8500_device_uart0; +extern struct platform_device vt8500_device_uart1; +extern struct platform_device vt8500_device_uart2; +extern struct platform_device vt8500_device_uart3; +extern struct platform_device vt8500_device_uart4; +extern struct platform_device vt8500_device_uart5; + +extern struct platform_device vt8500_device_lcdc; +extern struct platform_device vt8500_device_wm8505_fb; +extern struct platform_device vt8500_device_ehci; +extern struct platform_device vt8500_device_ge_rops; +extern struct platform_device vt8500_device_pwm; +extern struct platform_device vt8500_device_pwmbl; +extern struct platform_device vt8500_device_rtc; +#endif diff --git a/arch/arm/mach-vt8500/gpio.c b/arch/arm/mach-vt8500/gpio.c new file mode 100644 index 000000000000..2bcc0ec783df --- /dev/null +++ b/arch/arm/mach-vt8500/gpio.c @@ -0,0 +1,240 @@ +/* linux/arch/arm/mach-vt8500/gpio.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include "devices.h" + +#define to_vt8500(__chip) container_of(__chip, struct vt8500_gpio_chip, chip) + +#define ENABLE_REGS 0x0 +#define DIRECTION_REGS 0x20 +#define OUTVALUE_REGS 0x40 +#define INVALUE_REGS 0x60 + +#define EXT_REGOFF 0x1c + +static void __iomem *regbase; + +struct vt8500_gpio_chip { + struct gpio_chip chip; + unsigned int shift; + unsigned int regoff; +}; + +static int gpio_to_irq_map[8]; + +static int vt8500_muxed_gpio_request(struct gpio_chip *chip, + unsigned offset) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff); + + val |= (1 << vt8500_chip->shift << offset); + writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff); + + return 0; +} + +static void vt8500_muxed_gpio_free(struct gpio_chip *chip, + unsigned offset) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff); + + val &= ~(1 << vt8500_chip->shift << offset); + writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff); +} + +static int vt8500_muxed_gpio_direction_input(struct gpio_chip *chip, + unsigned offset) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff); + + val &= ~(1 << vt8500_chip->shift << offset); + writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff); + + return 0; +} + +static int vt8500_muxed_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff); + + val |= (1 << vt8500_chip->shift << offset); + writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff); + + if (value) { + val = readl(regbase + OUTVALUE_REGS + vt8500_chip->regoff); + val |= (1 << vt8500_chip->shift << offset); + writel(val, regbase + OUTVALUE_REGS + vt8500_chip->regoff); + } + return 0; +} + +static int vt8500_muxed_gpio_get_value(struct gpio_chip *chip, + unsigned offset) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + + return (readl(regbase + INVALUE_REGS + vt8500_chip->regoff) + >> vt8500_chip->shift >> offset) & 1; +} + +static void vt8500_muxed_gpio_set_value(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + unsigned val = readl(regbase + INVALUE_REGS + vt8500_chip->regoff); + + if (value) + val |= (1 << vt8500_chip->shift << offset); + else + val &= ~(1 << vt8500_chip->shift << offset); + + writel(val, regbase + INVALUE_REGS + vt8500_chip->regoff); +} + +#define VT8500_GPIO_BANK(__name, __shift, __off, __base, __num) \ +{ \ + .chip = { \ + .label = __name, \ + .request = vt8500_muxed_gpio_request, \ + .free = vt8500_muxed_gpio_free, \ + .direction_input = vt8500_muxed_gpio_direction_input, \ + .direction_output = vt8500_muxed_gpio_direction_output, \ + .get = vt8500_muxed_gpio_get_value, \ + .set = vt8500_muxed_gpio_set_value, \ + .can_sleep = 0, \ + .base = __base, \ + .ngpio = __num, \ + }, \ + .shift = __shift, \ + .regoff = __off, \ +} + +static struct vt8500_gpio_chip vt8500_muxed_gpios[] = { + VT8500_GPIO_BANK("uart0", 0, 0x0, 8, 4), + VT8500_GPIO_BANK("uart1", 4, 0x0, 12, 4), + VT8500_GPIO_BANK("spi0", 8, 0x0, 16, 4), + VT8500_GPIO_BANK("spi1", 12, 0x0, 20, 4), + VT8500_GPIO_BANK("spi2", 16, 0x0, 24, 4), + VT8500_GPIO_BANK("pwmout", 24, 0x0, 28, 2), + + VT8500_GPIO_BANK("sdmmc", 0, 0x4, 30, 11), + VT8500_GPIO_BANK("ms", 16, 0x4, 41, 7), + VT8500_GPIO_BANK("i2c0", 24, 0x4, 48, 2), + VT8500_GPIO_BANK("i2c1", 26, 0x4, 50, 2), + + VT8500_GPIO_BANK("mii", 0, 0x8, 52, 20), + VT8500_GPIO_BANK("see", 20, 0x8, 72, 4), + VT8500_GPIO_BANK("ide", 24, 0x8, 76, 7), + + VT8500_GPIO_BANK("ccir", 0, 0xc, 83, 19), + + VT8500_GPIO_BANK("ts", 8, 0x10, 102, 11), + + VT8500_GPIO_BANK("lcd", 0, 0x14, 113, 23), +}; + +static int vt8500_gpio_direction_input(struct gpio_chip *chip, + unsigned offset) +{ + unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF); + + val &= ~(1 << offset); + writel(val, regbase + DIRECTION_REGS + EXT_REGOFF); + return 0; +} + +static int vt8500_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF); + + val |= (1 << offset); + writel(val, regbase + DIRECTION_REGS + EXT_REGOFF); + + if (value) { + val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF); + val |= (1 << offset); + writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF); + } + return 0; +} + +static int vt8500_gpio_get_value(struct gpio_chip *chip, + unsigned offset) +{ + return (readl(regbase + INVALUE_REGS + EXT_REGOFF) >> offset) & 1; +} + +static void vt8500_gpio_set_value(struct gpio_chip *chip, + unsigned offset, int value) +{ + unsigned val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF); + + if (value) + val |= (1 << offset); + else + val &= ~(1 << offset); + + writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF); +} + +static int vt8500_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + if (offset > 7) + return -EINVAL; + + return gpio_to_irq_map[offset]; +} + +static struct gpio_chip vt8500_external_gpios = { + .label = "extgpio", + .direction_input = vt8500_gpio_direction_input, + .direction_output = vt8500_gpio_direction_output, + .get = vt8500_gpio_get_value, + .set = vt8500_gpio_set_value, + .to_irq = vt8500_gpio_to_irq, + .can_sleep = 0, + .base = 0, + .ngpio = 8, +}; + +void __init vt8500_gpio_init(void) +{ + int i; + + for (i = 0; i < 8; i++) + gpio_to_irq_map[i] = wmt_gpio_ext_irq[i]; + + regbase = ioremap(wmt_gpio_base, SZ_64K); + if (!regbase) { + printk(KERN_ERR "Failed to map MMIO registers for GPIO\n"); + return; + } + + gpiochip_add(&vt8500_external_gpios); + + for (i = 0; i < ARRAY_SIZE(vt8500_muxed_gpios); i++) + gpiochip_add(&vt8500_muxed_gpios[i].chip); +} diff --git a/arch/arm/mach-vt8500/include/mach/debug-macro.S b/arch/arm/mach-vt8500/include/mach/debug-macro.S new file mode 100644 index 000000000000..f1191626ad51 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/debug-macro.S @@ -0,0 +1,31 @@ +/* + * arch/arm/mach-vt8500/include/mach/debug-macro.S + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * Debugging macro include header + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + + .macro addruart, rp, rv + mov \rp, #0x00200000 + orr \rv, \rp, #0xf8000000 + orr \rp, \rp, #0xd8000000 + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #0] + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x1c] + ands \rd, \rd, #0x2 + bne 1001b + .endm + + .macro waituart,rd,rx + .endm diff --git a/arch/arm/mach-vt8500/include/mach/entry-macro.S b/arch/arm/mach-vt8500/include/mach/entry-macro.S new file mode 100644 index 000000000000..92684c7eaed3 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/entry-macro.S @@ -0,0 +1,32 @@ +/* + * arch/arm/mach-vt8500/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for VIA VT8500 + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + @ physical 0xd8140000 is virtual 0xf8140000 + mov \base, #0xf8000000 + orr \base, \base, #0x00140000 + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, [\base] + cmp \irqnr, #63 @ may be false positive, check interrupt status + bne 1001f + ldr \irqstat, [\base, #0x84] + ands \irqstat, #0x80000000 + moveq \irqnr, #0 +1001: + .endm + diff --git a/arch/arm/mach-vt8500/include/mach/gpio.h b/arch/arm/mach-vt8500/include/mach/gpio.h new file mode 100644 index 000000000000..94ff27678a46 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/gpio.h @@ -0,0 +1,6 @@ +#include <asm-generic/gpio.h> + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep +#define gpio_to_irq __gpio_to_irq diff --git a/arch/arm/mach-tegra/tegra2_dvfs.h b/arch/arm/mach-vt8500/include/mach/hardware.h index f8c1adba96a6..db4163f72c39 100644 --- a/arch/arm/mach-tegra/tegra2_dvfs.h +++ b/arch/arm/mach-vt8500/include/mach/hardware.h @@ -1,10 +1,4 @@ -/* - * arch/arm/mach-tegra/tegra2_dvfs.h - * - * Copyright (C) 2010 Google, Inc. - * - * Author: - * Colin Cross <ccross@google.com> +/* arch/arm/mach-vt8500/include/mach/hardware.h * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -16,5 +10,3 @@ * GNU General Public License for more details. * */ - -extern struct dvfs tegra_dvfs_virtual_cpu_dvfs; diff --git a/arch/arm/mach-vt8500/include/mach/i8042.h b/arch/arm/mach-vt8500/include/mach/i8042.h new file mode 100644 index 000000000000..cd7143cad6f3 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/i8042.h @@ -0,0 +1,18 @@ +/* arch/arm/mach-vt8500/include/mach/i8042.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +extern unsigned long wmt_i8042_base __initdata; +extern int wmt_i8042_kbd_irq; +extern int wmt_i8042_aux_irq; diff --git a/arch/arm/mach-vt8500/include/mach/io.h b/arch/arm/mach-vt8500/include/mach/io.h new file mode 100644 index 000000000000..9077239f78c9 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/io.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-vt8500/include/mach/io.h + * + * Copyright (C) 2010 Alexey Charkov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffff + +#define __io(a) __typesafe_io((a) + 0xf0000000) +#define __mem_pci(a) (a) + +#endif diff --git a/arch/arm/mach-vt8500/include/mach/irqs.h b/arch/arm/mach-vt8500/include/mach/irqs.h new file mode 100644 index 000000000000..a129fd1222fb --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/irqs.h @@ -0,0 +1,22 @@ +/* + * arch/arm/mach-vt8500/include/mach/irqs.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* This value is just to make the core happy, never used otherwise */ +#define NR_IRQS 128 diff --git a/arch/arm/mach-vt8500/include/mach/memory.h b/arch/arm/mach-vt8500/include/mach/memory.h new file mode 100644 index 000000000000..175f914eff93 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/memory.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-vt8500/include/mach/memory.h + * + * Copyright (C) 2003 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0x00000000) + +#endif diff --git a/arch/arm/mach-vt8500/include/mach/system.h b/arch/arm/mach-vt8500/include/mach/system.h new file mode 100644 index 000000000000..d6c757eaf26b --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/system.h @@ -0,0 +1,18 @@ +/* + * arch/arm/mach-vt8500/include/mach/system.h + * + */ +#include <asm/io.h> + +/* PM Software Reset request register */ +#define VT8500_PMSR_VIRT 0xf8130060 + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + writel(1, VT8500_PMSR_VIRT); +} diff --git a/arch/arm/mach-vt8500/include/mach/timex.h b/arch/arm/mach-vt8500/include/mach/timex.h new file mode 100644 index 000000000000..8487e4c690b7 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/timex.h @@ -0,0 +1,26 @@ +/* + * arch/arm/mach-vt8500/include/mach/timex.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef MACH_TIMEX_H +#define MACH_TIMEX_H + +#define CLOCK_TICK_RATE (3000000) + +#endif /* MACH_TIMEX_H */ diff --git a/arch/arm/mach-vt8500/include/mach/uncompress.h b/arch/arm/mach-vt8500/include/mach/uncompress.h new file mode 100644 index 000000000000..bb9e2d23fee3 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/uncompress.h @@ -0,0 +1,37 @@ +/* arch/arm/mach-vt8500/include/mach/uncompress.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * Based on arch/arm/mach-dove/include/mach/uncompress.h + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#define UART0_PHYS 0xd8200000 +#include <asm/io.h> + +static void putc(const char c) +{ + while (readb(UART0_PHYS + 0x1c) & 0x2) + /* Tx busy, wait and poll */; + + writeb(c, UART0_PHYS); +} + +static void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/arch/arm/mach-vt8500/include/mach/vmalloc.h b/arch/arm/mach-vt8500/include/mach/vmalloc.h new file mode 100644 index 000000000000..4642290ce416 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-vt8500/include/mach/vmalloc.h + * + * Copyright (C) 2000 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define VMALLOC_END 0xd0000000UL diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h b/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h new file mode 100644 index 000000000000..ecfee9124711 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h @@ -0,0 +1,88 @@ +/* + * arch/arm/mach-vt8500/include/mach/vt8500_irqs.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* VT8500 Interrupt Sources */ + +#define IRQ_JPEGENC 0 /* JPEG Encoder */ +#define IRQ_JPEGDEC 1 /* JPEG Decoder */ + /* Reserved */ +#define IRQ_PATA 3 /* PATA Controller */ + /* Reserved */ +#define IRQ_DMA 5 /* DMA Controller */ +#define IRQ_EXT0 6 /* External Interrupt 0 */ +#define IRQ_EXT1 7 /* External Interrupt 1 */ +#define IRQ_GE 8 /* Graphic Engine */ +#define IRQ_GOV 9 /* Graphic Overlay Engine */ +#define IRQ_ETHER 10 /* Ethernet MAC */ +#define IRQ_MPEGTS 11 /* Transport Stream Interface */ +#define IRQ_LCDC 12 /* LCD Controller */ +#define IRQ_EXT2 13 /* External Interrupt 2 */ +#define IRQ_EXT3 14 /* External Interrupt 3 */ +#define IRQ_EXT4 15 /* External Interrupt 4 */ +#define IRQ_CIPHER 16 /* Cipher */ +#define IRQ_VPP 17 /* Video Post-Processor */ +#define IRQ_I2C1 18 /* I2C 1 */ +#define IRQ_I2C0 19 /* I2C 0 */ +#define IRQ_SDMMC 20 /* SD/MMC Controller */ +#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */ +#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */ + /* Reserved */ +#define IRQ_SPI0 24 /* SPI 0 */ +#define IRQ_SPI1 25 /* SPI 1 */ +#define IRQ_SPI2 26 /* SPI 2 */ +#define IRQ_LCDDF 27 /* LCD Data Formatter */ +#define IRQ_NAND 28 /* NAND Flash Controller */ +#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */ +#define IRQ_MS 30 /* MemoryStick Controller */ +#define IRQ_MS_DMA 31 /* MemoryStick Controller DMA */ +#define IRQ_UART0 32 /* UART 0 */ +#define IRQ_UART1 33 /* UART 1 */ +#define IRQ_I2S 34 /* I2S */ +#define IRQ_PCM 35 /* PCM */ +#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */ +#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */ +#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */ +#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */ +#define IRQ_VPU 40 /* Video Processing Unit */ +#define IRQ_VID 41 /* Video Digital Input Interface */ +#define IRQ_AC97 42 /* AC97 Interface */ +#define IRQ_EHCI 43 /* USB */ +#define IRQ_NOR 44 /* NOR Flash Controller */ +#define IRQ_PS2MOUSE 45 /* PS/2 Mouse */ +#define IRQ_PS2KBD 46 /* PS/2 Keyboard */ +#define IRQ_UART2 47 /* UART 2 */ +#define IRQ_RTC 48 /* RTC Interrupt */ +#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */ +#define IRQ_UART3 50 /* UART 3 */ +#define IRQ_ADC 51 /* ADC */ +#define IRQ_EXT5 52 /* External Interrupt 5 */ +#define IRQ_EXT6 53 /* External Interrupt 6 */ +#define IRQ_EXT7 54 /* External Interrupt 7 */ +#define IRQ_CIR 55 /* CIR */ +#define IRQ_DMA0 56 /* DMA Channel 0 */ +#define IRQ_DMA1 57 /* DMA Channel 1 */ +#define IRQ_DMA2 58 /* DMA Channel 2 */ +#define IRQ_DMA3 59 /* DMA Channel 3 */ +#define IRQ_DMA4 60 /* DMA Channel 4 */ +#define IRQ_DMA5 61 /* DMA Channel 5 */ +#define IRQ_DMA6 62 /* DMA Channel 6 */ +#define IRQ_DMA7 63 /* DMA Channel 7 */ + +#define VT8500_NR_IRQS 64 diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_regs.h b/arch/arm/mach-vt8500/include/mach/vt8500_regs.h new file mode 100644 index 000000000000..29c63ecb2383 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/vt8500_regs.h @@ -0,0 +1,79 @@ +/* + * arch/arm/mach-vt8500/include/mach/vt8500_regs.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_VT8500_REGS_H +#define __ASM_ARM_ARCH_VT8500_REGS_H + +/* VT8500 Registers Map */ + +#define VT8500_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */ +#define VT8500_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */ + +#define VT8500_DDR_BASE 0xd8000000 /* 1k DDR/DDR2 Memory + Controller */ +#define VT8500_DMA_BASE 0xd8001000 /* 1k DMA Controller */ +#define VT8500_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory + Controller */ +#define VT8500_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */ +#define VT8500_CIPHER_BASE 0xd8006000 /* 4k Cipher */ +#define VT8500_USB_BASE 0xd8007800 /* 2k USB OTG */ +# define VT8500_EHCI_BASE 0xd8007900 /* EHCI */ +# define VT8500_UHCI_BASE 0xd8007b01 /* UHCI */ +#define VT8500_PATA_BASE 0xd8008000 /* 512 PATA */ +#define VT8500_PS2_BASE 0xd8008800 /* 1k PS/2 */ +#define VT8500_NAND_BASE 0xd8009000 /* 1k NAND Controller */ +#define VT8500_NOR_BASE 0xd8009400 /* 1k NOR Controller */ +#define VT8500_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */ +#define VT8500_MS_BASE 0xd800b000 /* 1k MS/MSPRO Controller */ +#define VT8500_LCDC_BASE 0xd800e400 /* 1k LCD Controller */ +#define VT8500_VPU_BASE 0xd8050000 /* 256 VPU */ +#define VT8500_GOV_BASE 0xd8050300 /* 256 GOV */ +#define VT8500_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */ +#define VT8500_LCDF_BASE 0xd8050900 /* 256 LCD Formatter */ +#define VT8500_VID_BASE 0xd8050a00 /* 256 VID */ +#define VT8500_VPP_BASE 0xd8050b00 /* 256 VPP */ +#define VT8500_TSBK_BASE 0xd80f4000 /* 4k TSBK */ +#define VT8500_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */ +#define VT8500_JPEGENC_BASE 0xd80ff000 /* 4k JPEG Encoder */ +#define VT8500_RTC_BASE 0xd8100000 /* 64k RTC */ +#define VT8500_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */ +#define VT8500_SCC_BASE 0xd8120000 /* 64k System Configuration*/ +#define VT8500_PMC_BASE 0xd8130000 /* 64k PMC Configuration */ +#define VT8500_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/ +#define VT8500_UART0_BASE 0xd8200000 /* 64k UART 0 */ +#define VT8500_UART2_BASE 0xd8210000 /* 64k UART 2 */ +#define VT8500_PWM_BASE 0xd8220000 /* 64k PWM Configuration */ +#define VT8500_SPI0_BASE 0xd8240000 /* 64k SPI 0 */ +#define VT8500_SPI1_BASE 0xd8250000 /* 64k SPI 1 */ +#define VT8500_CIR_BASE 0xd8270000 /* 64k CIR */ +#define VT8500_I2C0_BASE 0xd8280000 /* 64k I2C 0 */ +#define VT8500_AC97_BASE 0xd8290000 /* 64k AC97 */ +#define VT8500_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */ +#define VT8500_UART1_BASE 0xd82b0000 /* 64k UART 1 */ +#define VT8500_UART3_BASE 0xd82c0000 /* 64k UART 3 */ +#define VT8500_PCM_BASE 0xd82d0000 /* 64k PCM */ +#define VT8500_I2C1_BASE 0xd8320000 /* 64k I2C 1 */ +#define VT8500_I2S_BASE 0xd8330000 /* 64k I2S */ +#define VT8500_ADC_BASE 0xd8340000 /* 64k ADC */ + +#define VT8500_REGS_END_PHYS 0xd834ffff /* End of MMIO registers */ +#define VT8500_REGS_LENGTH (VT8500_REGS_END_PHYS \ + - VT8500_REGS_START_PHYS + 1) + +#endif diff --git a/arch/arm/mach-vt8500/include/mach/vt8500fb.h b/arch/arm/mach-vt8500/include/mach/vt8500fb.h new file mode 100644 index 000000000000..7f399c370fe0 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/vt8500fb.h @@ -0,0 +1,31 @@ +/* + * VT8500/WM8505 Frame Buffer platform data definitions + * + * Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _VT8500FB_H +#define _VT8500FB_H + +#include <linux/fb.h> + +struct vt8500fb_platform_data { + struct fb_videomode mode; + u32 xres_virtual; + u32 yres_virtual; + u32 bpp; + unsigned long video_mem_phys; + void *video_mem_virt; + unsigned long video_mem_len; +}; + +#endif /* _VT8500FB_H */ diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h b/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h new file mode 100644 index 000000000000..6128627ac753 --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h @@ -0,0 +1,115 @@ +/* + * arch/arm/mach-vt8500/include/mach/wm8505_irqs.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* WM8505 Interrupt Sources */ + +#define IRQ_UHCI 0 /* UHC FS (UHCI?) */ +#define IRQ_EHCI 1 /* UHC HS */ +#define IRQ_UDCDMA 2 /* UDC DMA */ + /* Reserved */ +#define IRQ_PS2MOUSE 4 /* PS/2 Mouse */ +#define IRQ_UDC 5 /* UDC */ +#define IRQ_EXT0 6 /* External Interrupt 0 */ +#define IRQ_EXT1 7 /* External Interrupt 1 */ +#define IRQ_KEYPAD 8 /* Keypad */ +#define IRQ_DMA 9 /* DMA Controller */ +#define IRQ_ETHER 10 /* Ethernet MAC */ + /* Reserved */ + /* Reserved */ +#define IRQ_EXT2 13 /* External Interrupt 2 */ +#define IRQ_EXT3 14 /* External Interrupt 3 */ +#define IRQ_EXT4 15 /* External Interrupt 4 */ +#define IRQ_APB 16 /* APB Bridge */ +#define IRQ_DMA0 17 /* DMA Channel 0 */ +#define IRQ_I2C1 18 /* I2C 1 */ +#define IRQ_I2C0 19 /* I2C 0 */ +#define IRQ_SDMMC 20 /* SD/MMC Controller */ +#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */ +#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */ +#define IRQ_PS2KBD 23 /* PS/2 Keyboard */ +#define IRQ_SPI0 24 /* SPI 0 */ +#define IRQ_SPI1 25 /* SPI 1 */ +#define IRQ_SPI2 26 /* SPI 2 */ +#define IRQ_DMA1 27 /* DMA Channel 1 */ +#define IRQ_NAND 28 /* NAND Flash Controller */ +#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */ +#define IRQ_UART5 30 /* UART 5 */ +#define IRQ_UART4 31 /* UART 4 */ +#define IRQ_UART0 32 /* UART 0 */ +#define IRQ_UART1 33 /* UART 1 */ +#define IRQ_DMA2 34 /* DMA Channel 2 */ +#define IRQ_I2S 35 /* I2S */ +#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */ +#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */ +#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */ +#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */ +#define IRQ_DMA3 40 /* DMA Channel 3 */ +#define IRQ_DMA4 41 /* DMA Channel 4 */ +#define IRQ_AC97 42 /* AC97 Interface */ + /* Reserved */ +#define IRQ_NOR 44 /* NOR Flash Controller */ +#define IRQ_DMA5 45 /* DMA Channel 5 */ +#define IRQ_DMA6 46 /* DMA Channel 6 */ +#define IRQ_UART2 47 /* UART 2 */ +#define IRQ_RTC 48 /* RTC Interrupt */ +#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */ +#define IRQ_UART3 50 /* UART 3 */ +#define IRQ_DMA7 51 /* DMA Channel 7 */ +#define IRQ_EXT5 52 /* External Interrupt 5 */ +#define IRQ_EXT6 53 /* External Interrupt 6 */ +#define IRQ_EXT7 54 /* External Interrupt 7 */ +#define IRQ_CIR 55 /* CIR */ +#define IRQ_SIC0 56 /* SIC IRQ0 */ +#define IRQ_SIC1 57 /* SIC IRQ1 */ +#define IRQ_SIC2 58 /* SIC IRQ2 */ +#define IRQ_SIC3 59 /* SIC IRQ3 */ +#define IRQ_SIC4 60 /* SIC IRQ4 */ +#define IRQ_SIC5 61 /* SIC IRQ5 */ +#define IRQ_SIC6 62 /* SIC IRQ6 */ +#define IRQ_SIC7 63 /* SIC IRQ7 */ + /* Reserved */ +#define IRQ_JPEGDEC 65 /* JPEG Decoder */ +#define IRQ_SAE 66 /* SAE (?) */ + /* Reserved */ +#define IRQ_VPU 79 /* Video Processing Unit */ +#define IRQ_VPP 80 /* Video Post-Processor */ +#define IRQ_VID 81 /* Video Digital Input Interface */ +#define IRQ_SPU 82 /* SPU (?) */ +#define IRQ_PIP 83 /* PIP Error */ +#define IRQ_GE 84 /* Graphic Engine */ +#define IRQ_GOV 85 /* Graphic Overlay Engine */ +#define IRQ_DVO 86 /* Digital Video Output */ + /* Reserved */ +#define IRQ_DMA8 92 /* DMA Channel 8 */ +#define IRQ_DMA9 93 /* DMA Channel 9 */ +#define IRQ_DMA10 94 /* DMA Channel 10 */ +#define IRQ_DMA11 95 /* DMA Channel 11 */ +#define IRQ_DMA12 96 /* DMA Channel 12 */ +#define IRQ_DMA13 97 /* DMA Channel 13 */ +#define IRQ_DMA14 98 /* DMA Channel 14 */ +#define IRQ_DMA15 99 /* DMA Channel 15 */ + /* Reserved */ +#define IRQ_GOVW 111 /* GOVW (?) */ +#define IRQ_GOVRSDSCD 112 /* GOVR SDSCD (?) */ +#define IRQ_GOVRSDMIF 113 /* GOVR SDMIF (?) */ +#define IRQ_GOVRHDSCD 114 /* GOVR HDSCD (?) */ +#define IRQ_GOVRHDMIF 115 /* GOVR HDMIF (?) */ + +#define WM8505_NR_IRQS 116 diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_regs.h b/arch/arm/mach-vt8500/include/mach/wm8505_regs.h new file mode 100644 index 000000000000..df1550941efb --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/wm8505_regs.h @@ -0,0 +1,78 @@ +/* + * arch/arm/mach-vt8500/include/mach/wm8505_regs.h + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_WM8505_REGS_H +#define __ASM_ARM_ARCH_WM8505_REGS_H + +/* WM8505 Registers Map */ + +#define WM8505_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */ +#define WM8505_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */ + +#define WM8505_DDR_BASE 0xd8000400 /* 1k DDR/DDR2 Memory + Controller */ +#define WM8505_DMA_BASE 0xd8001800 /* 1k DMA Controller */ +#define WM8505_VDMA_BASE 0xd8001c00 /* 1k VDMA */ +#define WM8505_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory + Controller */ +#define WM8505_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */ +#define WM8505_CIPHER_BASE 0xd8006000 /* 4k Cipher */ +#define WM8505_USB_BASE 0xd8007000 /* 2k USB 2.0 Host */ +# define WM8505_EHCI_BASE 0xd8007100 /* EHCI */ +# define WM8505_UHCI_BASE 0xd8007301 /* UHCI */ +#define WM8505_PS2_BASE 0xd8008800 /* 1k PS/2 */ +#define WM8505_NAND_BASE 0xd8009000 /* 1k NAND Controller */ +#define WM8505_NOR_BASE 0xd8009400 /* 1k NOR Controller */ +#define WM8505_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */ +#define WM8505_VPU_BASE 0xd8050000 /* 256 VPU */ +#define WM8505_GOV_BASE 0xd8050300 /* 256 GOV */ +#define WM8505_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */ +#define WM8505_GOVR_BASE 0xd8050800 /* 512 GOVR (frambuffer) */ +#define WM8505_VID_BASE 0xd8050a00 /* 256 VID */ +#define WM8505_SCL_BASE 0xd8050d00 /* 256 SCL */ +#define WM8505_VPP_BASE 0xd8050f00 /* 256 VPP */ +#define WM8505_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */ +#define WM8505_RTC_BASE 0xd8100000 /* 64k RTC */ +#define WM8505_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */ +#define WM8505_SCC_BASE 0xd8120000 /* 64k System Configuration*/ +#define WM8505_PMC_BASE 0xd8130000 /* 64k PMC Configuration */ +#define WM8505_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/ +#define WM8505_SIC_BASE 0xd8150000 /* 64k Secondary IC */ +#define WM8505_UART0_BASE 0xd8200000 /* 64k UART 0 */ +#define WM8505_UART2_BASE 0xd8210000 /* 64k UART 2 */ +#define WM8505_PWM_BASE 0xd8220000 /* 64k PWM Configuration */ +#define WM8505_SPI0_BASE 0xd8240000 /* 64k SPI 0 */ +#define WM8505_SPI1_BASE 0xd8250000 /* 64k SPI 1 */ +#define WM8505_KEYPAD_BASE 0xd8260000 /* 64k Keypad control */ +#define WM8505_CIR_BASE 0xd8270000 /* 64k CIR */ +#define WM8505_I2C0_BASE 0xd8280000 /* 64k I2C 0 */ +#define WM8505_AC97_BASE 0xd8290000 /* 64k AC97 */ +#define WM8505_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */ +#define WM8505_UART1_BASE 0xd82b0000 /* 64k UART 1 */ +#define WM8505_UART3_BASE 0xd82c0000 /* 64k UART 3 */ +#define WM8505_I2C1_BASE 0xd8320000 /* 64k I2C 1 */ +#define WM8505_I2S_BASE 0xd8330000 /* 64k I2S */ +#define WM8505_UART4_BASE 0xd8370000 /* 64k UART 4 */ +#define WM8505_UART5_BASE 0xd8380000 /* 64k UART 5 */ + +#define WM8505_REGS_END_PHYS 0xd838ffff /* End of MMIO registers */ +#define WM8505_REGS_LENGTH (WM8505_REGS_END_PHYS \ + - WM8505_REGS_START_PHYS + 1) + +#endif diff --git a/arch/arm/mach-vt8500/irq.c b/arch/arm/mach-vt8500/irq.c new file mode 100644 index 000000000000..5f4ddde4f02a --- /dev/null +++ b/arch/arm/mach-vt8500/irq.c @@ -0,0 +1,177 @@ +/* + * arch/arm/mach-vt8500/irq.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include <asm/irq.h> + +#include "devices.h" + +#define VT8500_IC_DCTR 0x40 /* Destination control + register, 64*u8 */ +#define VT8500_INT_ENABLE (1 << 3) +#define VT8500_TRIGGER_HIGH (0 << 4) +#define VT8500_TRIGGER_RISING (1 << 4) +#define VT8500_TRIGGER_FALLING (2 << 4) +#define VT8500_EDGE ( VT8500_TRIGGER_RISING \ + | VT8500_TRIGGER_FALLING) +#define VT8500_IC_STATUS 0x80 /* Interrupt status, 2*u32 */ + +static void __iomem *ic_regbase; +static void __iomem *sic_regbase; + +static void vt8500_irq_mask(unsigned int irq) +{ + void __iomem *base = ic_regbase; + u8 edge; + + if (irq >= 64) { + base = sic_regbase; + irq -= 64; + } + edge = readb(base + VT8500_IC_DCTR + irq) & VT8500_EDGE; + if (edge) { + void __iomem *stat_reg = base + VT8500_IC_STATUS + + (irq < 32 ? 0 : 4); + unsigned status = readl(stat_reg); + + status |= (1 << (irq & 0x1f)); + writel(status, stat_reg); + } else { + u8 dctr = readb(base + VT8500_IC_DCTR + irq); + + dctr &= ~VT8500_INT_ENABLE; + writeb(dctr, base + VT8500_IC_DCTR + irq); + } +} + +static void vt8500_irq_unmask(unsigned int irq) +{ + void __iomem *base = ic_regbase; + u8 dctr; + + if (irq >= 64) { + base = sic_regbase; + irq -= 64; + } + dctr = readb(base + VT8500_IC_DCTR + irq); + dctr |= VT8500_INT_ENABLE; + writeb(dctr, base + VT8500_IC_DCTR + irq); +} + +static int vt8500_irq_set_type(unsigned int irq, unsigned int flow_type) +{ + void __iomem *base = ic_regbase; + unsigned int orig_irq = irq; + u8 dctr; + + if (irq >= 64) { + base = sic_regbase; + irq -= 64; + } + + dctr = readb(base + VT8500_IC_DCTR + irq); + dctr &= ~VT8500_EDGE; + + switch (flow_type) { + case IRQF_TRIGGER_LOW: + return -EINVAL; + case IRQF_TRIGGER_HIGH: + dctr |= VT8500_TRIGGER_HIGH; + irq_desc[orig_irq].handle_irq = handle_level_irq; + break; + case IRQF_TRIGGER_FALLING: + dctr |= VT8500_TRIGGER_FALLING; + irq_desc[orig_irq].handle_irq = handle_edge_irq; + break; + case IRQF_TRIGGER_RISING: + dctr |= VT8500_TRIGGER_RISING; + irq_desc[orig_irq].handle_irq = handle_edge_irq; + break; + } + writeb(dctr, base + VT8500_IC_DCTR + irq); + + return 0; +} + +static struct irq_chip vt8500_irq_chip = { + .name = "vt8500", + .ack = vt8500_irq_mask, + .mask = vt8500_irq_mask, + .unmask = vt8500_irq_unmask, + .set_type = vt8500_irq_set_type, +}; + +void __init vt8500_init_irq(void) +{ + unsigned int i; + + ic_regbase = ioremap(wmt_ic_base, SZ_64K); + + if (ic_regbase) { + /* Enable rotating priority for IRQ */ + writel((1 << 6), ic_regbase + 0x20); + writel(0, ic_regbase + 0x24); + + for (i = 0; i < wmt_nr_irqs; i++) { + /* Disable all interrupts and route them to IRQ */ + writeb(0x00, ic_regbase + VT8500_IC_DCTR + i); + + set_irq_chip(i, &vt8500_irq_chip); + set_irq_handler(i, handle_level_irq); + set_irq_flags(i, IRQF_VALID); + } + } else { + printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n"); + } +} + +void __init wm8505_init_irq(void) +{ + unsigned int i; + + ic_regbase = ioremap(wmt_ic_base, SZ_64K); + sic_regbase = ioremap(wmt_sic_base, SZ_64K); + + if (ic_regbase && sic_regbase) { + /* Enable rotating priority for IRQ */ + writel((1 << 6), ic_regbase + 0x20); + writel(0, ic_regbase + 0x24); + writel((1 << 6), sic_regbase + 0x20); + writel(0, sic_regbase + 0x24); + + for (i = 0; i < wmt_nr_irqs; i++) { + /* Disable all interrupts and route them to IRQ */ + if (i < 64) + writeb(0x00, ic_regbase + VT8500_IC_DCTR + i); + else + writeb(0x00, sic_regbase + VT8500_IC_DCTR + + i - 64); + + set_irq_chip(i, &vt8500_irq_chip); + set_irq_handler(i, handle_level_irq); + set_irq_flags(i, IRQF_VALID); + } + } else { + printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n"); + } +} diff --git a/arch/arm/mach-vt8500/pwm.c b/arch/arm/mach-vt8500/pwm.c new file mode 100644 index 000000000000..8ad825e93592 --- /dev/null +++ b/arch/arm/mach-vt8500/pwm.c @@ -0,0 +1,265 @@ +/* + * arch/arm/mach-vt8500/pwm.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/pwm.h> +#include <linux/delay.h> + +#include <asm/div64.h> + +#define VT8500_NR_PWMS 4 + +static DEFINE_MUTEX(pwm_lock); +static LIST_HEAD(pwm_list); + +struct pwm_device { + struct list_head node; + struct platform_device *pdev; + + const char *label; + + void __iomem *regbase; + + unsigned int use_count; + unsigned int pwm_id; +}; + +#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) +static inline void pwm_busy_wait(void __iomem *reg, u8 bitmask) +{ + int loops = msecs_to_loops(10); + while ((readb(reg) & bitmask) && --loops) + cpu_relax(); + + if (unlikely(!loops)) + pr_warning("Waiting for status bits 0x%x to clear timed out\n", + bitmask); +} + +int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) +{ + unsigned long long c; + unsigned long period_cycles, prescale, pv, dc; + + if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) + return -EINVAL; + + c = 25000000/2; /* wild guess --- need to implement clocks */ + c = c * period_ns; + do_div(c, 1000000000); + period_cycles = c; + + if (period_cycles < 1) + period_cycles = 1; + prescale = (period_cycles - 1) / 4096; + pv = period_cycles / (prescale + 1) - 1; + if (pv > 4095) + pv = 4095; + + if (prescale > 1023) + return -EINVAL; + + c = (unsigned long long)pv * duty_ns; + do_div(c, period_ns); + dc = c; + + pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 1)); + writel(prescale, pwm->regbase + 0x4 + (pwm->pwm_id << 4)); + + pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 2)); + writel(pv, pwm->regbase + 0x8 + (pwm->pwm_id << 4)); + + pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 3)); + writel(dc, pwm->regbase + 0xc + (pwm->pwm_id << 4)); + + return 0; +} +EXPORT_SYMBOL(pwm_config); + +int pwm_enable(struct pwm_device *pwm) +{ + pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0)); + writel(5, pwm->regbase + (pwm->pwm_id << 4)); + return 0; +} +EXPORT_SYMBOL(pwm_enable); + +void pwm_disable(struct pwm_device *pwm) +{ + pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0)); + writel(0, pwm->regbase + (pwm->pwm_id << 4)); +} +EXPORT_SYMBOL(pwm_disable); + +struct pwm_device *pwm_request(int pwm_id, const char *label) +{ + struct pwm_device *pwm; + int found = 0; + + mutex_lock(&pwm_lock); + + list_for_each_entry(pwm, &pwm_list, node) { + if (pwm->pwm_id == pwm_id) { + found = 1; + break; + } + } + + if (found) { + if (pwm->use_count == 0) { + pwm->use_count++; + pwm->label = label; + } else { + pwm = ERR_PTR(-EBUSY); + } + } else { + pwm = ERR_PTR(-ENOENT); + } + + mutex_unlock(&pwm_lock); + return pwm; +} +EXPORT_SYMBOL(pwm_request); + +void pwm_free(struct pwm_device *pwm) +{ + mutex_lock(&pwm_lock); + + if (pwm->use_count) { + pwm->use_count--; + pwm->label = NULL; + } else { + pr_warning("PWM device already freed\n"); + } + + mutex_unlock(&pwm_lock); +} +EXPORT_SYMBOL(pwm_free); + +static inline void __add_pwm(struct pwm_device *pwm) +{ + mutex_lock(&pwm_lock); + list_add_tail(&pwm->node, &pwm_list); + mutex_unlock(&pwm_lock); +} + +static int __devinit pwm_probe(struct platform_device *pdev) +{ + struct pwm_device *pwms; + struct resource *r; + int ret = 0; + int i; + + pwms = kzalloc(sizeof(struct pwm_device) * VT8500_NR_PWMS, GFP_KERNEL); + if (pwms == NULL) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + + for (i = 0; i < VT8500_NR_PWMS; i++) { + pwms[i].use_count = 0; + pwms[i].pwm_id = i; + pwms[i].pdev = pdev; + } + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (r == NULL) { + dev_err(&pdev->dev, "no memory resource defined\n"); + ret = -ENODEV; + goto err_free; + } + + r = request_mem_region(r->start, resource_size(r), pdev->name); + if (r == NULL) { + dev_err(&pdev->dev, "failed to request memory resource\n"); + ret = -EBUSY; + goto err_free; + } + + pwms[0].regbase = ioremap(r->start, resource_size(r)); + if (pwms[0].regbase == NULL) { + dev_err(&pdev->dev, "failed to ioremap() registers\n"); + ret = -ENODEV; + goto err_free_mem; + } + + for (i = 1; i < VT8500_NR_PWMS; i++) + pwms[i].regbase = pwms[0].regbase; + + for (i = 0; i < VT8500_NR_PWMS; i++) + __add_pwm(&pwms[i]); + + platform_set_drvdata(pdev, pwms); + return 0; + +err_free_mem: + release_mem_region(r->start, resource_size(r)); +err_free: + kfree(pwms); + return ret; +} + +static int __devexit pwm_remove(struct platform_device *pdev) +{ + struct pwm_device *pwms; + struct resource *r; + int i; + + pwms = platform_get_drvdata(pdev); + if (pwms == NULL) + return -ENODEV; + + mutex_lock(&pwm_lock); + + for (i = 0; i < VT8500_NR_PWMS; i++) + list_del(&pwms[i].node); + mutex_unlock(&pwm_lock); + + iounmap(pwms[0].regbase); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(r->start, resource_size(r)); + + kfree(pwms); + return 0; +} + +static struct platform_driver pwm_driver = { + .driver = { + .name = "vt8500-pwm", + .owner = THIS_MODULE, + }, + .probe = pwm_probe, + .remove = __devexit_p(pwm_remove), +}; + +static int __init pwm_init(void) +{ + return platform_driver_register(&pwm_driver); +} +arch_initcall(pwm_init); + +static void __exit pwm_exit(void) +{ + platform_driver_unregister(&pwm_driver); +} +module_exit(pwm_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-vt8500/timer.c b/arch/arm/mach-vt8500/timer.c new file mode 100644 index 000000000000..d5376c592ab6 --- /dev/null +++ b/arch/arm/mach-vt8500/timer.c @@ -0,0 +1,155 @@ +/* + * arch/arm/mach-vt8500/timer.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> +#include <linux/delay.h> + +#include <asm/mach/time.h> + +#include "devices.h" + +#define VT8500_TIMER_OFFSET 0x0100 +#define TIMER_MATCH_VAL 0x0000 +#define TIMER_COUNT_VAL 0x0010 +#define TIMER_STATUS_VAL 0x0014 +#define TIMER_IER_VAL 0x001c /* interrupt enable */ +#define TIMER_CTRL_VAL 0x0020 +#define TIMER_AS_VAL 0x0024 /* access status */ +#define TIMER_COUNT_R_ACTIVE (1 << 5) /* not ready for read */ +#define TIMER_COUNT_W_ACTIVE (1 << 4) /* not ready for write */ +#define TIMER_MATCH_W_ACTIVE (1 << 0) /* not ready for write */ +#define VT8500_TIMER_HZ 3000000 + +#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) + +static void __iomem *regbase; + +static cycle_t vt8500_timer_read(struct clocksource *cs) +{ + int loops = msecs_to_loops(10); + writel(3, regbase + TIMER_CTRL_VAL); + while ((readl((regbase + TIMER_AS_VAL)) & TIMER_COUNT_R_ACTIVE) + && --loops) + cpu_relax(); + return readl(regbase + TIMER_COUNT_VAL); +} + +struct clocksource clocksource = { + .name = "vt8500_timer", + .rating = 200, + .read = vt8500_timer_read, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static int vt8500_timer_set_next_event(unsigned long cycles, + struct clock_event_device *evt) +{ + int loops = msecs_to_loops(10); + cycle_t alarm = clocksource.read(&clocksource) + cycles; + while ((readl(regbase + TIMER_AS_VAL) & TIMER_MATCH_W_ACTIVE) + && --loops) + cpu_relax(); + writel((unsigned long)alarm, regbase + TIMER_MATCH_VAL); + + if ((signed)(alarm - clocksource.read(&clocksource)) <= 16) + return -ETIME; + + writel(1, regbase + TIMER_IER_VAL); + + return 0; +} + +static void vt8500_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + switch (mode) { + case CLOCK_EVT_MODE_RESUME: + case CLOCK_EVT_MODE_PERIODIC: + break; + case CLOCK_EVT_MODE_ONESHOT: + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + writel(readl(regbase + TIMER_CTRL_VAL) | 1, + regbase + TIMER_CTRL_VAL); + writel(0, regbase + TIMER_IER_VAL); + break; + } +} + +struct clock_event_device clockevent = { + .name = "vt8500_timer", + .features = CLOCK_EVT_FEAT_ONESHOT, + .rating = 200, + .set_next_event = vt8500_timer_set_next_event, + .set_mode = vt8500_timer_set_mode, +}; + +static irqreturn_t vt8500_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = dev_id; + writel(0xf, regbase + TIMER_STATUS_VAL); + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +struct irqaction irq = { + .name = "vt8500_timer", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = vt8500_timer_interrupt, + .dev_id = &clockevent, +}; + +static void __init vt8500_timer_init(void) +{ + regbase = ioremap(wmt_pmc_base + VT8500_TIMER_OFFSET, 0x28); + if (!regbase) + printk(KERN_ERR "vt8500_timer_init: failed to map MMIO registers\n"); + + writel(1, regbase + TIMER_CTRL_VAL); + writel(0xf, regbase + TIMER_STATUS_VAL); + writel(~0, regbase + TIMER_MATCH_VAL); + + if (clocksource_register_hz(&clocksource, VT8500_TIMER_HZ)) + printk(KERN_ERR "vt8500_timer_init: clocksource_register failed for %s\n", + clocksource.name); + + clockevents_calc_mult_shift(&clockevent, VT8500_TIMER_HZ, 4); + + /* copy-pasted from mach-msm; no idea */ + clockevent.max_delta_ns = + clockevent_delta2ns(0xf0000000, &clockevent); + clockevent.min_delta_ns = clockevent_delta2ns(4, &clockevent); + clockevent.cpumask = cpumask_of(0); + + if (setup_irq(wmt_timer_irq, &irq)) + printk(KERN_ERR "vt8500_timer_init: setup_irq failed for %s\n", + clockevent.name); + clockevents_register_device(&clockevent); +} + +struct sys_timer vt8500_timer = { + .init = vt8500_timer_init +}; diff --git a/arch/arm/mach-vt8500/wm8505_7in.c b/arch/arm/mach-vt8500/wm8505_7in.c new file mode 100644 index 000000000000..e73aadbcafd6 --- /dev/null +++ b/arch/arm/mach-vt8500/wm8505_7in.c @@ -0,0 +1,77 @@ +/* + * arch/arm/mach-vt8500/wm8505_7in.c + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/pm.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "devices.h" + +static void __iomem *pmc_hiber; + +static struct platform_device *devices[] __initdata = { + &vt8500_device_uart0, + &vt8500_device_ehci, + &vt8500_device_wm8505_fb, + &vt8500_device_ge_rops, + &vt8500_device_pwm, + &vt8500_device_pwmbl, + &vt8500_device_rtc, +}; + +static void vt8500_power_off(void) +{ + local_irq_disable(); + writew(5, pmc_hiber); + asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); +} + +void __init wm8505_7in_init(void) +{ +#ifdef CONFIG_FB_WM8505 + void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4); + if (gpio_mux_reg) { + writel(readl(gpio_mux_reg) | 0x80000000, gpio_mux_reg); + iounmap(gpio_mux_reg); + } else { + printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n"); + } +#endif + pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2); + if (pmc_hiber) + pm_power_off = &vt8500_power_off; + else + printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n"); + + wm8505_set_resources(); + platform_add_devices(devices, ARRAY_SIZE(devices)); + vt8500_gpio_init(); +} + +MACHINE_START(WM8505_7IN_NETBOOK, "WM8505 7-inch generic netbook") + .boot_params = 0x00000100, + .reserve = wm8505_reserve_mem, + .map_io = wm8505_map_io, + .init_irq = wm8505_init_irq, + .timer = &vt8500_timer, + .init_machine = wm8505_7in_init, +MACHINE_END diff --git a/arch/arm/mach-w90x900/include/mach/memory.h b/arch/arm/mach-w90x900/include/mach/memory.h index 971b80702c27..f02905ba7746 100644 --- a/arch/arm/mach-w90x900/include/mach/memory.h +++ b/arch/arm/mach-w90x900/include/mach/memory.h @@ -18,6 +18,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 9d30c6f804b9..89266382b536 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -390,7 +390,7 @@ config CPU_PJ4 # ARMv6 config CPU_V6 - bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || ARCH_DOVE + bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX select CPU_32v6 select CPU_ABRT_EV6 select CPU_PABRT_V6 @@ -402,21 +402,23 @@ config CPU_V6 select CPU_TLB_V6 if MMU # ARMv6k -config CPU_32v6K - bool "Support ARM V6K processor extensions" if !SMP - depends on CPU_V6 || CPU_V7 - default y if SMP && !(ARCH_MX3 || ARCH_OMAP2) - help - Say Y here if your ARMv6 processor supports the 'K' extension. - This enables the kernel to use some instructions not present - on previous processors, and as such a kernel build with this - enabled will not boot on processors with do not support these - instructions. +config CPU_V6K + bool "Support ARM V6K processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX + select CPU_32v6 + select CPU_32v6K + select CPU_ABRT_EV6 + select CPU_PABRT_V6 + select CPU_CACHE_V6 + select CPU_CACHE_VIPT + select CPU_CP15_MMU + select CPU_HAS_ASID if MMU + select CPU_COPY_V6 if MMU + select CPU_TLB_V6 if MMU # ARMv7 config CPU_V7 bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX - select CPU_32v6K if !ARCH_OMAP2 + select CPU_32v6K select CPU_32v7 select CPU_ABRT_EV7 select CPU_PABRT_V7 @@ -433,25 +435,33 @@ config CPU_32v3 bool select TLS_REG_EMUL if SMP || !MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select CPU_USE_DOMAINS if MMU config CPU_32v4 bool select TLS_REG_EMUL if SMP || !MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select CPU_USE_DOMAINS if MMU config CPU_32v4T bool select TLS_REG_EMUL if SMP || !MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select CPU_USE_DOMAINS if MMU config CPU_32v5 bool select TLS_REG_EMUL if SMP || !MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select CPU_USE_DOMAINS if MMU config CPU_32v6 bool select TLS_REG_EMUL if !CPU_32v6K && !MMU + select CPU_USE_DOMAINS if CPU_V6 && MMU + +config CPU_32v6K + bool config CPU_32v7 bool @@ -607,8 +617,6 @@ config CPU_CP15_MPU config CPU_USE_DOMAINS bool - depends on MMU - default y if !CPU_32v6K help This option enables or disables the use of domain switching via the set_fs() function. @@ -623,7 +631,7 @@ comment "Processor Features" config ARM_THUMB bool "Support Thumb user binaries" - depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V7 || CPU_FEROCEON + depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || CPU_V7 || CPU_FEROCEON default y help Say Y if you want to include kernel support for running user space @@ -644,7 +652,7 @@ config ARM_THUMBEE config SWP_EMULATE bool "Emulate SWP/SWPB instructions" - depends on CPU_V7 && !CPU_V6 + depends on !CPU_USE_DOMAINS && CPU_V7 select HAVE_PROC_CPU if PROC_FS default y if SMP help @@ -681,7 +689,7 @@ config CPU_BIG_ENDIAN config CPU_ENDIAN_BE8 bool depends on CPU_BIG_ENDIAN - default CPU_V6 || CPU_V7 + default CPU_V6 || CPU_V6K || CPU_V7 help Support for the BE-8 (big-endian) mode on ARMv6 and ARMv7 processors. @@ -747,7 +755,7 @@ config CPU_CACHE_ROUND_ROBIN config CPU_BPREDICT_DISABLE bool "Disable branch prediction" - depends on CPU_ARM1020 || CPU_V6 || CPU_MOHAWK || CPU_XSC3 || CPU_V7 || CPU_FA526 + depends on CPU_ARM1020 || CPU_V6 || CPU_V6K || CPU_MOHAWK || CPU_XSC3 || CPU_V7 || CPU_FA526 help Say Y here to disable branch prediction. If unsure, say N. @@ -767,7 +775,7 @@ config NEEDS_SYSCALL_FOR_CMPXCHG config DMA_CACHE_RWFO bool "Enable read/write for ownership DMA cache maintenance" - depends on CPU_V6 && SMP + depends on CPU_V6K && SMP default y help The Snoop Control Unit on ARM11MPCore does not detect the @@ -823,7 +831,7 @@ config CACHE_L2X0 config CACHE_PL310 bool depends on CACHE_L2X0 - default y if CPU_V7 && !CPU_V6 + default y if CPU_V7 && !(CPU_V6 || CPU_V6K) help This option enables optimisations for the PL310 cache controller. @@ -845,16 +853,21 @@ config CACHE_XSC3L2 help This option enables the L2 cache on XScale3. +config ARM_L1_CACHE_SHIFT_6 + bool + help + Setting ARM L1 cache line size to 64 Bytes. + config ARM_L1_CACHE_SHIFT int default 6 if ARM_L1_CACHE_SHIFT_6 default 5 config ARM_DMA_MEM_BUFFERABLE - bool "Use non-cacheable memory for DMA" if CPU_V6 && !CPU_V7 + bool "Use non-cacheable memory for DMA" if (CPU_V6 || CPU_V6K) && !CPU_V7 depends on !(MACH_REALVIEW_PB1176 || REALVIEW_EB_ARM11MP || \ MACH_REALVIEW_PB11MP) - default y if CPU_V6 || CPU_V7 + default y if CPU_V6 || CPU_V6K || CPU_V7 help Historically, the kernel has used strongly ordered mappings to provide DMA coherent memory. With the advent of ARMv7, mapping diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 00d74a04af3a..bca7e61928c7 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -90,6 +90,7 @@ obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o obj-$(CONFIG_CPU_MOHAWK) += proc-mohawk.o obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o obj-$(CONFIG_CPU_V6) += proc-v6.o +obj-$(CONFIG_CPU_V6K) += proc-v6.o obj-$(CONFIG_CPU_V7) += proc-v7.o AFLAGS_proc-v6.o :=-Wa,-march=armv6 diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index f332df7f0d37..1478aa522144 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -20,11 +20,11 @@ */ .align 5 ENTRY(v6_early_abort) -#ifdef CONFIG_CPU_32v6K - clrex -#else +#ifdef CONFIG_CPU_V6 sub r1, sp, #4 @ Get unused stack location strex r0, r1, [r1] @ Clear the exclusive monitor +#elif defined(CONFIG_CPU_32v6K) + clrex #endif mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 170c9bb95866..ef59099a5463 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -49,7 +49,13 @@ static inline void cache_wait(void __iomem *reg, unsigned long mask) static inline void cache_sync(void) { void __iomem *base = l2x0_base; + +#ifdef CONFIG_ARM_ERRATA_753970 + /* write to an unmmapped register */ + writel_relaxed(0, base + L2X0_DUMMY_REG); +#else writel_relaxed(0, base + L2X0_CACHE_SYNC); +#endif cache_wait(base + L2X0_CACHE_SYNC, 1); } @@ -67,18 +73,24 @@ static inline void l2x0_inv_line(unsigned long addr) writel_relaxed(addr, base + L2X0_INV_LINE_PA); } -#ifdef CONFIG_PL310_ERRATA_588369 -static void debug_writel(unsigned long val) -{ - extern void omap_smc1(u32 fn, u32 arg); +#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) - /* - * Texas Instrument secure monitor api to modify the - * PL310 Debug Control Register. - */ - omap_smc1(0x100, val); +#define debug_writel(val) outer_cache.set_debug(val) + +static void l2x0_set_debug(unsigned long val) +{ + writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL); +} +#else +/* Optimised out for non-errata case */ +static inline void debug_writel(unsigned long val) +{ } +#define l2x0_set_debug NULL +#endif + +#ifdef CONFIG_PL310_ERRATA_588369 static inline void l2x0_flush_line(unsigned long addr) { void __iomem *base = l2x0_base; @@ -91,11 +103,6 @@ static inline void l2x0_flush_line(unsigned long addr) } #else -/* Optimised out for non-errata case */ -static inline void debug_writel(unsigned long val) -{ -} - static inline void l2x0_flush_line(unsigned long addr) { void __iomem *base = l2x0_base; @@ -119,9 +126,11 @@ static void l2x0_flush_all(void) /* clean all ways */ spin_lock_irqsave(&l2x0_lock, flags); + debug_writel(0x03); writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); cache_sync(); + debug_writel(0x00); spin_unlock_irqrestore(&l2x0_lock, flags); } @@ -329,6 +338,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) outer_cache.flush_all = l2x0_flush_all; outer_cache.inv_all = l2x0_inv_all; outer_cache.disable = l2x0_disable; + outer_cache.set_debug = l2x0_set_debug; printk(KERN_INFO "%s cache controller enabled\n", type); printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 5164069ced42..cddd684364da 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -297,6 +297,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) memblock_reserve(__pa(_stext), _end - _stext); #endif #ifdef CONFIG_BLK_DEV_INITRD + if (phys_initrd_size && + memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) { + pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n", + phys_initrd_start, phys_initrd_size); + phys_initrd_start = phys_initrd_size = 0; + } if (phys_initrd_size) { memblock_reserve(phys_initrd_start, phys_initrd_size); diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index b0a98305055c..afe209e1e1f8 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -31,7 +31,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, struct mm_struct *mm = current->mm; struct vm_area_struct *vma; unsigned long start_addr; -#ifdef CONFIG_CPU_V6 +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) unsigned int cache_type; int do_align = 0, aliasing = 0; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 3c67e92f7d59..ff7b43b5885a 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -827,16 +827,6 @@ static void __init sanity_check_meminfo(void) * rather difficult. */ reason = "with VIPT aliasing cache"; - } else if (is_smp() && tlb_ops_need_broadcast()) { - /* - * kmap_high needs to occasionally flush TLB entries, - * however, if the TLB entries need to be broadcast - * we may deadlock: - * kmap_high(irqs off)->flush_all_zero_pkmaps-> - * flush_tlb_kernel_range->smp_call_function_many - * (must not be called with irqs off) - */ - reason = "without hardware TLB ops broadcasting"; } if (reason) { printk(KERN_CRIT "HIGHMEM is not supported %s, ignoring high memory\n", diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index bcf748d9f4e2..226e3d8351c2 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -493,6 +493,9 @@ arm1020_processor_functions: .word cpu_arm1020_dcache_clean_area .word cpu_arm1020_switch_mm .word cpu_arm1020_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm1020_processor_functions, . - arm1020_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index ab7ec26657ea..86d9c2cf0bce 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -474,6 +474,9 @@ arm1020e_processor_functions: .word cpu_arm1020e_dcache_clean_area .word cpu_arm1020e_switch_mm .word cpu_arm1020e_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm1020e_processor_functions, . - arm1020e_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index 831c5e54e22f..83d3dd34f846 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -457,6 +457,9 @@ arm1022_processor_functions: .word cpu_arm1022_dcache_clean_area .word cpu_arm1022_switch_mm .word cpu_arm1022_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm1022_processor_functions, . - arm1022_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index e3f7e9a166bf..686043ee7281 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -452,6 +452,9 @@ arm1026_processor_functions: .word cpu_arm1026_dcache_clean_area .word cpu_arm1026_switch_mm .word cpu_arm1026_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm1026_processor_functions, . - arm1026_processor_functions .section .rodata diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index 6a7be1863edd..5f79dc4ce3fb 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -284,6 +284,9 @@ ENTRY(arm6_processor_functions) .word cpu_arm6_dcache_clean_area .word cpu_arm6_switch_mm .word cpu_arm6_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm6_processor_functions, . - arm6_processor_functions /* @@ -301,6 +304,9 @@ ENTRY(arm7_processor_functions) .word cpu_arm7_dcache_clean_area .word cpu_arm7_switch_mm .word cpu_arm7_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm7_processor_functions, . - arm7_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S index c285395f44b2..665266da143c 100644 --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -185,6 +185,9 @@ ENTRY(arm720_processor_functions) .word cpu_arm720_dcache_clean_area .word cpu_arm720_switch_mm .word cpu_arm720_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm720_processor_functions, . - arm720_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S index 38b27dcba727..6f9d12effee1 100644 --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S @@ -130,6 +130,9 @@ ENTRY(arm740_processor_functions) .word cpu_arm740_dcache_clean_area .word cpu_arm740_switch_mm .word 0 @ cpu_*_set_pte + .word 0 + .word 0 + .word 0 .size arm740_processor_functions, . - arm740_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S index 0c9786de20af..e4c165ca6696 100644 --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -70,6 +70,9 @@ ENTRY(arm7tdmi_processor_functions) .word cpu_arm7tdmi_dcache_clean_area .word cpu_arm7tdmi_switch_mm .word 0 @ cpu_*_set_pte + .word 0 + .word 0 + .word 0 .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 6109f278a904..219980ec8b6e 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -387,6 +387,40 @@ ENTRY(cpu_arm920_set_pte_ext) #endif mov pc, lr +/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */ +.globl cpu_arm920_suspend_size +.equ cpu_arm920_suspend_size, 4 * 3 +#ifdef CONFIG_PM +ENTRY(cpu_arm920_do_suspend) + stmfd sp!, {r4 - r7, lr} + mrc p15, 0, r4, c13, c0, 0 @ PID + mrc p15, 0, r5, c3, c0, 0 @ Domain ID + mrc p15, 0, r6, c2, c0, 0 @ TTB address + mrc p15, 0, r7, c1, c0, 0 @ Control register + stmia r0, {r4 - r7} + ldmfd sp!, {r4 - r7, pc} +ENDPROC(cpu_arm920_do_suspend) + +ENTRY(cpu_arm920_do_resume) + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ invalidate I+D TLBs + mcr p15, 0, ip, c7, c7, 0 @ invalidate I+D caches + ldmia r0, {r4 - r7} + mcr p15, 0, r4, c13, c0, 0 @ PID + mcr p15, 0, r5, c3, c0, 0 @ Domain ID + mcr p15, 0, r6, c2, c0, 0 @ TTB address + mov r0, r7 @ control register + mov r2, r6, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =PMD_TYPE_SECT | PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | PMD_BIT4 | PMD_SECT_AP_WRITE + b cpu_resume_mmu +ENDPROC(cpu_arm920_do_resume) +#else +#define cpu_arm920_do_suspend 0 +#define cpu_arm920_do_resume 0 +#endif + __CPUINIT .type __arm920_setup, #function @@ -432,6 +466,9 @@ arm920_processor_functions: .word cpu_arm920_dcache_clean_area .word cpu_arm920_switch_mm .word cpu_arm920_set_pte_ext + .word cpu_arm920_suspend_size + .word cpu_arm920_do_suspend + .word cpu_arm920_do_resume .size arm920_processor_functions, . - arm920_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index bb2f0f46a5e6..36154b1e792a 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -436,6 +436,9 @@ arm922_processor_functions: .word cpu_arm922_dcache_clean_area .word cpu_arm922_switch_mm .word cpu_arm922_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm922_processor_functions, . - arm922_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index c13e01accfe2..89c5e0009c4c 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -503,6 +503,9 @@ arm925_processor_functions: .word cpu_arm925_dcache_clean_area .word cpu_arm925_switch_mm .word cpu_arm925_set_pte_ext + .word 0 + .word 0 + .word 0 .size arm925_processor_functions, . - arm925_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 42eb4315740b..6a4bdb2c94a7 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -401,6 +401,40 @@ ENTRY(cpu_arm926_set_pte_ext) #endif mov pc, lr +/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */ +.globl cpu_arm926_suspend_size +.equ cpu_arm926_suspend_size, 4 * 3 +#ifdef CONFIG_PM +ENTRY(cpu_arm926_do_suspend) + stmfd sp!, {r4 - r7, lr} + mrc p15, 0, r4, c13, c0, 0 @ PID + mrc p15, 0, r5, c3, c0, 0 @ Domain ID + mrc p15, 0, r6, c2, c0, 0 @ TTB address + mrc p15, 0, r7, c1, c0, 0 @ Control register + stmia r0, {r4 - r7} + ldmfd sp!, {r4 - r7, pc} +ENDPROC(cpu_arm926_do_suspend) + +ENTRY(cpu_arm926_do_resume) + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ invalidate I+D TLBs + mcr p15, 0, ip, c7, c7, 0 @ invalidate I+D caches + ldmia r0, {r4 - r7} + mcr p15, 0, r4, c13, c0, 0 @ PID + mcr p15, 0, r5, c3, c0, 0 @ Domain ID + mcr p15, 0, r6, c2, c0, 0 @ TTB address + mov r0, r7 @ control register + mov r2, r6, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =PMD_TYPE_SECT | PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | PMD_BIT4 | PMD_SECT_AP_WRITE + b cpu_resume_mmu +ENDPROC(cpu_arm926_do_resume) +#else +#define cpu_arm926_do_suspend 0 +#define cpu_arm926_do_resume 0 +#endif + __CPUINIT .type __arm926_setup, #function @@ -456,6 +490,9 @@ arm926_processor_functions: .word cpu_arm926_dcache_clean_area .word cpu_arm926_switch_mm .word cpu_arm926_set_pte_ext + .word cpu_arm926_suspend_size + .word cpu_arm926_do_suspend + .word cpu_arm926_do_resume .size arm926_processor_functions, . - arm926_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index 7b11cdb9935f..26aea3f71c26 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -363,6 +363,9 @@ ENTRY(arm940_processor_functions) .word cpu_arm940_dcache_clean_area .word cpu_arm940_switch_mm .word 0 @ cpu_*_set_pte + .word 0 + .word 0 + .word 0 .size arm940_processor_functions, . - arm940_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index 1a5bbf080342..8063345406fe 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -419,6 +419,9 @@ ENTRY(arm946_processor_functions) .word cpu_arm946_dcache_clean_area .word cpu_arm946_switch_mm .word 0 @ cpu_*_set_pte + .word 0 + .word 0 + .word 0 .size arm946_processor_functions, . - arm946_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S index db67e3134d7a..7b7ebd4d096d 100644 --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -70,6 +70,9 @@ ENTRY(arm9tdmi_processor_functions) .word cpu_arm9tdmi_dcache_clean_area .word cpu_arm9tdmi_switch_mm .word 0 @ cpu_*_set_pte + .word 0 + .word 0 + .word 0 .size arm9tdmi_processor_functions, . - arm9tdmi_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-fa526.S b/arch/arm/mm/proc-fa526.S index 7c9ad621f0e6..fc2a4ae15cf4 100644 --- a/arch/arm/mm/proc-fa526.S +++ b/arch/arm/mm/proc-fa526.S @@ -195,6 +195,9 @@ fa526_processor_functions: .word cpu_fa526_dcache_clean_area .word cpu_fa526_switch_mm .word cpu_fa526_set_pte_ext + .word 0 + .word 0 + .word 0 .size fa526_processor_functions, . - fa526_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index b4597edbff97..d3883eed7a4a 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -554,6 +554,9 @@ feroceon_processor_functions: .word cpu_feroceon_dcache_clean_area .word cpu_feroceon_switch_mm .word cpu_feroceon_set_pte_ext + .word 0 + .word 0 + .word 0 .size feroceon_processor_functions, . - feroceon_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index 4458ee6aa713..9d4f2ae63370 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -388,6 +388,9 @@ mohawk_processor_functions: .word cpu_mohawk_dcache_clean_area .word cpu_mohawk_switch_mm .word cpu_mohawk_set_pte_ext + .word 0 + .word 0 + .word 0 .size mohawk_processor_functions, . - mohawk_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index 5aa8d59c2e85..46f09ed16b98 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -203,6 +203,9 @@ ENTRY(sa110_processor_functions) .word cpu_sa110_dcache_clean_area .word cpu_sa110_switch_mm .word cpu_sa110_set_pte_ext + .word 0 + .word 0 + .word 0 .size sa110_processor_functions, . - sa110_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index 2ac4e6f10713..74483d1977fe 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -169,6 +169,42 @@ ENTRY(cpu_sa1100_set_pte_ext) #endif mov pc, lr +.globl cpu_sa1100_suspend_size +.equ cpu_sa1100_suspend_size, 4*4 +#ifdef CONFIG_PM +ENTRY(cpu_sa1100_do_suspend) + stmfd sp!, {r4 - r7, lr} + mrc p15, 0, r4, c3, c0, 0 @ domain ID + mrc p15, 0, r5, c2, c0, 0 @ translation table base addr + mrc p15, 0, r6, c13, c0, 0 @ PID + mrc p15, 0, r7, c1, c0, 0 @ control reg + stmia r0, {r4 - r7} @ store cp regs + ldmfd sp!, {r4 - r7, pc} +ENDPROC(cpu_sa1100_do_suspend) + +ENTRY(cpu_sa1100_do_resume) + ldmia r0, {r4 - r7} @ load cp regs + mov r1, #0 + mcr p15, 0, r1, c8, c7, 0 @ flush I+D TLBs + mcr p15, 0, r1, c7, c7, 0 @ flush I&D cache + mcr p15, 0, r1, c9, c0, 0 @ invalidate RB + mcr p15, 0, r1, c9, c0, 5 @ allow user space to use RB + + mcr p15, 0, r4, c3, c0, 0 @ domain ID + mcr p15, 0, r5, c2, c0, 0 @ translation table base addr + mcr p15, 0, r6, c13, c0, 0 @ PID + mov r0, r7 @ control register + mov r2, r5, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =PMD_TYPE_SECT | PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | PMD_SECT_AP_WRITE + b cpu_resume_mmu +ENDPROC(cpu_sa1100_do_resume) +#else +#define cpu_sa1100_do_suspend 0 +#define cpu_sa1100_do_resume 0 +#endif + __CPUINIT .type __sa1100_setup, #function @@ -218,6 +254,9 @@ ENTRY(sa1100_processor_functions) .word cpu_sa1100_dcache_clean_area .word cpu_sa1100_switch_mm .word cpu_sa1100_set_pte_ext + .word cpu_sa1100_suspend_size + .word cpu_sa1100_do_suspend + .word cpu_sa1100_do_resume .size sa1100_processor_functions, . - sa1100_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 59a7e1ffe7bc..832b6bdc192c 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -121,6 +121,53 @@ ENTRY(cpu_v6_set_pte_ext) #endif mov pc, lr +/* Suspend/resume support: taken from arch/arm/mach-s3c64xx/sleep.S */ +.globl cpu_v6_suspend_size +.equ cpu_v6_suspend_size, 4 * 8 +#ifdef CONFIG_PM +ENTRY(cpu_v6_do_suspend) + stmfd sp!, {r4 - r11, lr} + mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID + mrc p15, 0, r5, c13, c0, 1 @ Context ID + mrc p15, 0, r6, c3, c0, 0 @ Domain ID + mrc p15, 0, r7, c2, c0, 0 @ Translation table base 0 + mrc p15, 0, r8, c2, c0, 1 @ Translation table base 1 + mrc p15, 0, r9, c1, c0, 1 @ auxillary control register + mrc p15, 0, r10, c1, c0, 2 @ co-processor access control + mrc p15, 0, r11, c1, c0, 0 @ control register + stmia r0, {r4 - r11} + ldmfd sp!, {r4- r11, pc} +ENDPROC(cpu_v6_do_suspend) + +ENTRY(cpu_v6_do_resume) + mov ip, #0 + mcr p15, 0, ip, c7, c14, 0 @ clean+invalidate D cache + mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache + mcr p15, 0, ip, c7, c15, 0 @ clean+invalidate cache + mcr p15, 0, ip, c7, c10, 4 @ drain write buffer + ldmia r0, {r4 - r11} + mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID + mcr p15, 0, r5, c13, c0, 1 @ Context ID + mcr p15, 0, r6, c3, c0, 0 @ Domain ID + mcr p15, 0, r7, c2, c0, 0 @ Translation table base 0 + mcr p15, 0, r8, c2, c0, 1 @ Translation table base 1 + mcr p15, 0, r9, c1, c0, 1 @ auxillary control register + mcr p15, 0, r10, c1, c0, 2 @ co-processor access control + mcr p15, 0, ip, c2, c0, 2 @ TTB control register + mcr p15, 0, ip, c7, c5, 4 @ ISB + mov r0, r11 @ control register + mov r2, r7, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, cpu_resume_l1_flags + b cpu_resume_mmu +ENDPROC(cpu_v6_do_resume) +cpu_resume_l1_flags: + ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_FLAGS_SMP) + ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_FLAGS_UP) +#else +#define cpu_v6_do_suspend 0 +#define cpu_v6_do_resume 0 +#endif .type cpu_v6_name, #object @@ -206,6 +253,9 @@ ENTRY(v6_processor_functions) .word cpu_v6_dcache_clean_area .word cpu_v6_switch_mm .word cpu_v6_set_pte_ext + .word cpu_v6_suspend_size + .word cpu_v6_do_suspend + .word cpu_v6_do_resume .size v6_processor_functions, . - v6_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0c1172b56b4e..262fa88a7439 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -108,10 +108,16 @@ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_ARM_ERRATA_430973 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB #endif +#ifdef CONFIG_ARM_ERRATA_754322 + dsb +#endif mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID isb 1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 isb +#ifdef CONFIG_ARM_ERRATA_754322 + dsb +#endif mcr p15, 0, r1, c13, c0, 1 @ set context ID isb #endif @@ -171,6 +177,87 @@ cpu_v7_name: .ascii "ARMv7 Processor" .align + /* + * Memory region attributes with SCTLR.TRE=1 + * + * n = TEX[0],C,B + * TR = PRRR[2n+1:2n] - memory type + * IR = NMRR[2n+1:2n] - inner cacheable property + * OR = NMRR[2n+17:2n+16] - outer cacheable property + * + * n TR IR OR + * UNCACHED 000 00 + * BUFFERABLE 001 10 00 00 + * WRITETHROUGH 010 10 10 10 + * WRITEBACK 011 10 11 11 + * reserved 110 + * WRITEALLOC 111 10 01 01 + * DEV_SHARED 100 01 + * DEV_NONSHARED 100 01 + * DEV_WC 001 10 + * DEV_CACHED 011 10 + * + * Other attributes: + * + * DS0 = PRRR[16] = 0 - device shareable property + * DS1 = PRRR[17] = 1 - device shareable property + * NS0 = PRRR[18] = 0 - normal shareable property + * NS1 = PRRR[19] = 1 - normal shareable property + * NOS = PRRR[24+n] = 1 - not outer shareable + */ +.equ PRRR, 0xff0a81a8 +.equ NMRR, 0x40e040e0 + +/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */ +.globl cpu_v7_suspend_size +.equ cpu_v7_suspend_size, 4 * 8 +#ifdef CONFIG_PM +ENTRY(cpu_v7_do_suspend) + stmfd sp!, {r4 - r11, lr} + mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID + mrc p15, 0, r5, c13, c0, 1 @ Context ID + mrc p15, 0, r6, c3, c0, 0 @ Domain ID + mrc p15, 0, r7, c2, c0, 0 @ TTB 0 + mrc p15, 0, r8, c2, c0, 1 @ TTB 1 + mrc p15, 0, r9, c1, c0, 0 @ Control register + mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register + mrc p15, 0, r11, c1, c0, 2 @ Co-processor access control + stmia r0, {r4 - r11} + ldmfd sp!, {r4 - r11, pc} +ENDPROC(cpu_v7_do_suspend) + +ENTRY(cpu_v7_do_resume) + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs + mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache + ldmia r0, {r4 - r11} + mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID + mcr p15, 0, r5, c13, c0, 1 @ Context ID + mcr p15, 0, r6, c3, c0, 0 @ Domain ID + mcr p15, 0, r7, c2, c0, 0 @ TTB 0 + mcr p15, 0, r8, c2, c0, 1 @ TTB 1 + mcr p15, 0, ip, c2, c0, 2 @ TTB control register + mcr p15, 0, r10, c1, c0, 1 @ Auxillary control register + mcr p15, 0, r11, c1, c0, 2 @ Co-processor access control + ldr r4, =PRRR @ PRRR + ldr r5, =NMRR @ NMRR + mcr p15, 0, r4, c10, c2, 0 @ write PRRR + mcr p15, 0, r5, c10, c2, 1 @ write NMRR + isb + mov r0, r9 @ control register + mov r2, r7, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, cpu_resume_l1_flags + b cpu_resume_mmu +ENDPROC(cpu_v7_do_resume) +cpu_resume_l1_flags: + ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_FLAGS_SMP) + ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_FLAGS_UP) +#else +#define cpu_v7_do_suspend 0 +#define cpu_v7_do_resume 0 +#endif + __CPUINIT /* @@ -264,6 +351,12 @@ __v7_setup: orreq r10, r10, #1 << 6 @ set bit #6 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register #endif +#ifdef CONFIG_ARM_ERRATA_751472 + cmp r6, #0x30 @ present prior to r3p0 + mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register + orrlt r10, r10, #1 << 11 @ set bit #11 + mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register +#endif 3: mov r10, #0 #ifdef HARVARD_CACHE @@ -276,36 +369,8 @@ __v7_setup: ALT_SMP(orr r4, r4, #TTB_FLAGS_SMP) ALT_UP(orr r4, r4, #TTB_FLAGS_UP) mcr p15, 0, r4, c2, c0, 1 @ load TTB1 - /* - * Memory region attributes with SCTLR.TRE=1 - * - * n = TEX[0],C,B - * TR = PRRR[2n+1:2n] - memory type - * IR = NMRR[2n+1:2n] - inner cacheable property - * OR = NMRR[2n+17:2n+16] - outer cacheable property - * - * n TR IR OR - * UNCACHED 000 00 - * BUFFERABLE 001 10 00 00 - * WRITETHROUGH 010 10 10 10 - * WRITEBACK 011 10 11 11 - * reserved 110 - * WRITEALLOC 111 10 01 01 - * DEV_SHARED 100 01 - * DEV_NONSHARED 100 01 - * DEV_WC 001 10 - * DEV_CACHED 011 10 - * - * Other attributes: - * - * DS0 = PRRR[16] = 0 - device shareable property - * DS1 = PRRR[17] = 1 - device shareable property - * NS0 = PRRR[18] = 0 - normal shareable property - * NS1 = PRRR[19] = 1 - normal shareable property - * NOS = PRRR[24+n] = 1 - not outer shareable - */ - ldr r5, =0xff0a81a8 @ PRRR - ldr r6, =0x40e040e0 @ NMRR + ldr r5, =PRRR @ PRRR + ldr r6, =NMRR @ NMRR mcr p15, 0, r5, c10, c2, 0 @ write PRRR mcr p15, 0, r6, c10, c2, 1 @ write NMRR #endif @@ -351,6 +416,9 @@ ENTRY(v7_processor_functions) .word cpu_v7_dcache_clean_area .word cpu_v7_switch_mm .word cpu_v7_set_pte_ext + .word 0 + .word 0 + .word 0 .size v7_processor_functions, . - v7_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index ec26355cb7c2..63d8b2044e84 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -413,9 +413,52 @@ ENTRY(cpu_xsc3_set_pte_ext) mov pc, lr .ltorg - .align +.globl cpu_xsc3_suspend_size +.equ cpu_xsc3_suspend_size, 4 * 8 +#ifdef CONFIG_PM +ENTRY(cpu_xsc3_do_suspend) + stmfd sp!, {r4 - r10, lr} + mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode + mrc p15, 0, r5, c15, c1, 0 @ CP access reg + mrc p15, 0, r6, c13, c0, 0 @ PID + mrc p15, 0, r7, c3, c0, 0 @ domain ID + mrc p15, 0, r8, c2, c0, 0 @ translation table base addr + mrc p15, 0, r9, c1, c0, 1 @ auxiliary control reg + mrc p15, 0, r10, c1, c0, 0 @ control reg + bic r4, r4, #2 @ clear frequency change bit + stmia r0, {r1, r4 - r10} @ store v:p offset + cp regs + ldmia sp!, {r4 - r10, pc} +ENDPROC(cpu_xsc3_do_suspend) + +ENTRY(cpu_xsc3_do_resume) + ldmia r0, {r1, r4 - r10} @ load v:p offset + cp regs + mov ip, #0 + mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB + mcr p15, 0, ip, c7, c10, 4 @ drain write (&fill) buffer + mcr p15, 0, ip, c7, c5, 4 @ flush prefetch buffer + mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs + mcr p14, 0, r4, c6, c0, 0 @ clock configuration, turbo mode. + mcr p15, 0, r5, c15, c1, 0 @ CP access reg + mcr p15, 0, r6, c13, c0, 0 @ PID + mcr p15, 0, r7, c3, c0, 0 @ domain ID + mcr p15, 0, r8, c2, c0, 0 @ translation table base addr + mcr p15, 0, r9, c1, c0, 1 @ auxiliary control reg + + @ temporarily map resume_turn_on_mmu into the page table, + @ otherwise prefetch abort occurs after MMU is turned on + mov r0, r10 @ control register + mov r2, r8, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =0x542e @ section flags + b cpu_resume_mmu +ENDPROC(cpu_xsc3_do_resume) +#else +#define cpu_xsc3_do_suspend 0 +#define cpu_xsc3_do_resume 0 +#endif + __CPUINIT .type __xsc3_setup, #function @@ -476,6 +519,9 @@ ENTRY(xsc3_processor_functions) .word cpu_xsc3_dcache_clean_area .word cpu_xsc3_switch_mm .word cpu_xsc3_set_pte_ext + .word cpu_xsc3_suspend_size + .word cpu_xsc3_do_suspend + .word cpu_xsc3_do_resume .size xsc3_processor_functions, . - xsc3_processor_functions .section ".rodata" diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 5a37c5e45c41..086038cd86ab 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -513,11 +513,49 @@ ENTRY(cpu_xscale_set_pte_ext) xscale_set_pte_ext_epilogue mov pc, lr - .ltorg - .align +.globl cpu_xscale_suspend_size +.equ cpu_xscale_suspend_size, 4 * 7 +#ifdef CONFIG_PM +ENTRY(cpu_xscale_do_suspend) + stmfd sp!, {r4 - r10, lr} + mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode + mrc p15, 0, r5, c15, c1, 0 @ CP access reg + mrc p15, 0, r6, c13, c0, 0 @ PID + mrc p15, 0, r7, c3, c0, 0 @ domain ID + mrc p15, 0, r8, c2, c0, 0 @ translation table base addr + mrc p15, 0, r9, c1, c1, 0 @ auxiliary control reg + mrc p15, 0, r10, c1, c0, 0 @ control reg + bic r4, r4, #2 @ clear frequency change bit + stmia r0, {r4 - r10} @ store cp regs + ldmfd sp!, {r4 - r10, pc} +ENDPROC(cpu_xscale_do_suspend) + +ENTRY(cpu_xscale_do_resume) + ldmia r0, {r4 - r10} @ load cp regs + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs + mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB + mcr p14, 0, r4, c6, c0, 0 @ clock configuration, turbo mode. + mcr p15, 0, r5, c15, c1, 0 @ CP access reg + mcr p15, 0, r6, c13, c0, 0 @ PID + mcr p15, 0, r7, c3, c0, 0 @ domain ID + mcr p15, 0, r8, c2, c0, 0 @ translation table base addr + mcr p15, 0, r9, c1, c1, 0 @ auxiliary control reg + mov r0, r10 @ control register + mov r2, r8, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =PMD_TYPE_SECT | PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | PMD_SECT_AP_WRITE + b cpu_resume_mmu +ENDPROC(cpu_xscale_do_resume) +#else +#define cpu_xscale_do_suspend 0 +#define cpu_xscale_do_resume 0 +#endif + __CPUINIT .type __xscale_setup, #function @@ -565,6 +603,9 @@ ENTRY(xscale_processor_functions) .word cpu_xscale_dcache_clean_area .word cpu_xscale_switch_mm .word cpu_xscale_set_pte_ext + .word cpu_xscale_suspend_size + .word cpu_xscale_do_suspend + .word cpu_xscale_do_resume .size xscale_processor_functions, . - xscale_processor_functions .section ".rodata" diff --git a/arch/arm/mm/vmregion.c b/arch/arm/mm/vmregion.c index 935993e1b1ef..036fdbfdd62f 100644 --- a/arch/arm/mm/vmregion.c +++ b/arch/arm/mm/vmregion.c @@ -38,7 +38,7 @@ struct arm_vmregion * arm_vmregion_alloc(struct arm_vmregion_head *head, size_t align, size_t size, gfp_t gfp) { - unsigned long addr = head->vm_start, end = head->vm_end - size; + unsigned long start = head->vm_start, addr = head->vm_end; unsigned long flags; struct arm_vmregion *c, *new; @@ -54,21 +54,20 @@ arm_vmregion_alloc(struct arm_vmregion_head *head, size_t align, spin_lock_irqsave(&head->vm_lock, flags); - list_for_each_entry(c, &head->vm_list, vm_list) { - if ((addr + size) < addr) - goto nospc; - if ((addr + size) <= c->vm_start) + addr = rounddown(addr - size, align); + list_for_each_entry_reverse(c, &head->vm_list, vm_list) { + if (addr >= c->vm_end) goto found; - addr = ALIGN(c->vm_end, align); - if (addr > end) + addr = rounddown(c->vm_start - size, align); + if (addr < start) goto nospc; } found: /* - * Insert this entry _before_ the one we found. + * Insert this entry after the one we found. */ - list_add_tail(&new->vm_list, &c->vm_list); + list_add(&new->vm_list, &c->vm_list); new->vm_start = addr; new->vm_end = addr + size; new->vm_active = 1; diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 8aa974491dfc..c074e66ad224 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -10,8 +10,6 @@ */ #include <linux/cpumask.h> -#include <linux/err.h> -#include <linux/errno.h> #include <linux/init.h> #include <linux/mutex.h> #include <linux/oprofile.h> @@ -46,6 +44,7 @@ char *op_name_from_perf_id(void) return NULL; } } +#endif static int report_trace(struct stackframe *frame, void *d) { @@ -85,7 +84,7 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail) /* frame pointers should strictly progress back up the stack * (towards higher addresses) */ - if (tail >= buftail[0].fp) + if (tail + 1 >= buftail[0].fp) return NULL; return buftail[0].fp-1; @@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth) int __init oprofile_arch_init(struct oprofile_operations *ops) { + /* provide backtrace support also in timer mode: */ ops->backtrace = arm_backtrace; return oprofile_perf_init(ops); @@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void) { oprofile_perf_exit(); } -#else -int __init oprofile_arch_init(struct oprofile_operations *ops) -{ - pr_info("oprofile: hardware counters not available\n"); - return -ENODEV; -} -void __exit oprofile_arch_exit(void) {} -#endif /* CONFIG_HW_PERF_EVENTS */ diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h index 83861408133f..5d51cbb98893 100644 --- a/arch/arm/plat-mxc/include/mach/memory.h +++ b/arch/arm/plat-mxc/include/mach/memory.h @@ -23,23 +23,23 @@ #if !defined(CONFIG_RUNTIME_PHYS_OFFSET) # if defined CONFIG_ARCH_MX1 -# define PHYS_OFFSET MX1_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX1_PHYS_OFFSET # elif defined CONFIG_MACH_MX21 -# define PHYS_OFFSET MX21_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX21_PHYS_OFFSET # elif defined CONFIG_ARCH_MX25 -# define PHYS_OFFSET MX25_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX25_PHYS_OFFSET # elif defined CONFIG_MACH_MX27 -# define PHYS_OFFSET MX27_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX27_PHYS_OFFSET # elif defined CONFIG_ARCH_MX3 -# define PHYS_OFFSET MX3x_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX3x_PHYS_OFFSET # elif defined CONFIG_ARCH_MXC91231 -# define PHYS_OFFSET MXC91231_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MXC91231_PHYS_OFFSET # elif defined CONFIG_ARCH_MX50 -# define PHYS_OFFSET MX50_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX50_PHYS_OFFSET # elif defined CONFIG_ARCH_MX51 -# define PHYS_OFFSET MX51_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX51_PHYS_OFFSET # elif defined CONFIG_ARCH_MX53 -# define PHYS_OFFSET MX53_PHYS_OFFSET +# define PLAT_PHYS_OFFSET MX53_PHYS_OFFSET # endif #endif diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index 3a70ebf0477f..ff469c4f1d76 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -95,6 +95,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) case MACH_TYPE_MX35_3DS: case MACH_TYPE_PCM043: case MACH_TYPE_LILLY1131: + case MACH_TYPE_VPR200: uart_base = MX3X_UART1_BASE_ADDR; break; case MACH_TYPE_MAGX_ZN5: @@ -102,6 +103,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) break; case MACH_TYPE_MX51_BABBAGE: case MACH_TYPE_EUKREA_CPUIMX51SD: + case MACH_TYPE_MX51_3DS: uart_base = MX51_UART1_BASE_ADDR; break; case MACH_TYPE_MX50_RDP: diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 18fe3cb195dc..b6333ae3f92a 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG config OMAP_IOMMU_IVA2 bool -choice - prompt "System timer" - default OMAP_32K_TIMER if !ARCH_OMAP15XX - config OMAP_MPU_TIMER bool "Use mpu timer" + depends on ARCH_OMAP1 help Select this option if you want to use the OMAP mpu timer. This timer provides more intra-tick resolution than the 32KHz timer, @@ -158,6 +155,7 @@ config OMAP_MPU_TIMER config OMAP_32K_TIMER bool "Use 32KHz timer" depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS + default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS) help Select this option if you want to enable the OMAP 32KHz timer. This timer saves power compared to the OMAP_MPU_TIMER, and has @@ -165,8 +163,6 @@ config OMAP_32K_TIMER intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is currently only available for OMAP16XX, 24XX, 34XX and OMAP4. -endchoice - config OMAP3_L2_AUX_SECURE_SAVE_RESTORE bool "OMAP3 HS/EMU save and restore for L2 AUX control register" depends on ARCH_OMAP3 && PM diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index ea4644021fb9..862dda95d61d 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -36,8 +36,6 @@ #define OMAP16XX_TIMER_32K_SYNCHRONIZED 0xfffbc410 -#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) - #include <linux/clocksource.h> /* @@ -122,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd); #define SC_MULT 4000000000u #define SC_SHIFT 17 -unsigned long long notrace sched_clock(void) +static inline unsigned long long notrace _omap_32k_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); } +#ifndef CONFIG_OMAP_MPU_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#else +unsigned long long notrace omap_32k_sched_clock(void) +{ + return _omap_32k_sched_clock(); +} +#endif + static void notrace omap_update_sched_clock(void) { u32 cyc = clocksource_32k.read(&clocksource_32k); @@ -160,7 +170,7 @@ void read_persistent_clock(struct timespec *ts) *ts = *tsp; } -static int __init omap_init_clocksource_32k(void) +int __init omap_init_clocksource_32k(void) { static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; @@ -195,7 +205,3 @@ static int __init omap_init_clocksource_32k(void) } return 0; } -arch_initcall(omap_init_clocksource_32k); - -#endif /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */ - diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index c4b2b478b1a5..85363084cc1a 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -53,7 +53,7 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; #endif #define OMAP_DMA_ACTIVE 0x01 -#define OMAP2_DMA_CSR_CLEAR_MASK 0xffe +#define OMAP2_DMA_CSR_CLEAR_MASK 0xffffffff #define OMAP_FUNC_MUX_ARM_BASE (0xfffe1000 + 0xec) @@ -1873,7 +1873,7 @@ static int omap2_dma_handle_ch(int ch) printk(KERN_INFO "DMA misaligned error with device %d\n", dma_chan[ch].dev_id); - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, ch); + p->dma_write(status, CSR, ch); p->dma_write(1 << ch, IRQSTATUS_L0, ch); /* read back the register to flush the write */ p->dma_read(IRQSTATUS_L0, ch); @@ -1893,10 +1893,9 @@ static int omap2_dma_handle_ch(int ch) OMAP_DMA_CHAIN_INCQHEAD(chain_id); status = p->dma_read(CSR, ch); + p->dma_write(status, CSR, ch); } - p->dma_write(status, CSR, ch); - if (likely(dma_chan[ch].callback != NULL)) dma_chan[ch].callback(ch, status, dma_chan[ch].data); diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 6b8088ec74af..29b2afb4288f 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -35,6 +35,9 @@ struct sys_timer; extern void omap_map_common_io(void); extern struct sys_timer omap_timer; +extern bool omap_32k_timer_init(void); +extern int __init omap_init_clocksource_32k(void); +extern unsigned long long notrace omap_32k_sched_clock(void); extern void omap_reserve(void); diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h index f8d922fb5584..e6720aa2d553 100644 --- a/arch/arm/plat-omap/include/plat/memory.h +++ b/arch/arm/plat-omap/include/plat/memory.h @@ -37,9 +37,9 @@ * Physical DRAM offset. */ #if defined(CONFIG_ARCH_OMAP1) -#define PHYS_OFFSET UL(0x10000000) +#define PLAT_PHYS_OFFSET UL(0x10000000) #else -#define PHYS_OFFSET UL(0x80000000) +#define PLAT_PHYS_OFFSET UL(0x80000000) #endif /* diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index cec5d56db2eb..8ff605c83aca 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -27,7 +27,7 @@ * 2. We assume printascii is called at least once before paging_init, * and addruart has a chance to read OMAP_UART_INFO */ -#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc) +#define OMAP_UART_INFO (PLAT_PHYS_OFFSET + 0x3ffc) /* OMAP1 serial ports */ #define OMAP1_UART1_BASE 0xfffb0000 diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h index 9967d5e855c7..f500fc34d065 100644 --- a/arch/arm/plat-omap/include/plat/sram.h +++ b/arch/arm/plat-omap/include/plat/sram.h @@ -12,7 +12,19 @@ #define __ARCH_ARM_OMAP_SRAM_H #ifndef __ASSEMBLY__ -extern void * omap_sram_push(void * start, unsigned long size); +#include <asm/fncpy.h> + +extern void *omap_sram_push_address(unsigned long size); + +/* Macro to push a function to the internal SRAM, using the fncpy API */ +#define omap_sram_push(funcp, size) ({ \ + typeof(&(funcp)) _res = NULL; \ + void *_sram_address = omap_sram_push_address(size); \ + if (_sram_address) \ + _res = fncpy(_sram_address, &(funcp), size); \ + _res; \ +}) + extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl); extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 450a332f1009..fe449f1a1c14 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -7,15 +7,12 @@ #include <plat/board.h> #define OMAP3_HS_USB_PORTS 3 -enum ehci_hcd_omap_mode { - EHCI_HCD_OMAP_MODE_UNKNOWN, - EHCI_HCD_OMAP_MODE_PHY, - EHCI_HCD_OMAP_MODE_TLL, - EHCI_HCD_OMAP_MODE_HSIC, -}; -enum ohci_omap3_port_mode { - OMAP_OHCI_PORT_MODE_UNUSED, +enum usbhs_omap_port_mode { + OMAP_USBHS_PORT_MODE_UNUSED, + OMAP_EHCI_PORT_MODE_PHY, + OMAP_EHCI_PORT_MODE_TLL, + OMAP_EHCI_PORT_MODE_HSIC, OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0, OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM, OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0, @@ -25,24 +22,45 @@ enum ohci_omap3_port_mode { OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0, OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM, OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0, - OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM, + OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM }; -struct ehci_hcd_omap_platform_data { - enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS]; - unsigned phy_reset:1; +struct usbhs_omap_board_data { + enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS]; /* have to be valid if phy_reset is true and portx is in phy mode */ int reset_gpio_port[OMAP3_HS_USB_PORTS]; + + /* Set this to true for ES2.x silicon */ + unsigned es2_compatibility:1; + + unsigned phy_reset:1; + + /* + * Regulators for USB PHYs. + * Each PHY can have a separate regulator. + */ + struct regulator *regulator[OMAP3_HS_USB_PORTS]; }; -struct ohci_hcd_omap_platform_data { - enum ohci_omap3_port_mode port_mode[OMAP3_HS_USB_PORTS]; +struct ehci_hcd_omap_platform_data { + enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS]; + int reset_gpio_port[OMAP3_HS_USB_PORTS]; + struct regulator *regulator[OMAP3_HS_USB_PORTS]; + unsigned phy_reset:1; +}; - /* Set this to true for ES2.x silicon */ +struct ohci_hcd_omap_platform_data { + enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS]; unsigned es2_compatibility:1; }; +struct usbhs_omap_platform_data { + enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS]; + + struct ehci_hcd_omap_platform_data *ehci_data; + struct ohci_hcd_omap_platform_data *ohci_data; +}; /*-------------------------------------------------------------------------*/ #define OMAP1_OTG_BASE 0xfffb0400 @@ -80,18 +98,18 @@ enum musb_interface {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI}; extern void usb_musb_init(struct omap_musb_board_data *board_data); -extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata); +extern void usbhs_init(const struct usbhs_omap_board_data *pdata); -extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata); +extern int omap_usbhs_enable(struct device *dev); +extern void omap_usbhs_disable(struct device *dev); extern int omap4430_phy_power(struct device *dev, int ID, int on); extern int omap4430_phy_set_clk(struct device *dev, int on); extern int omap4430_phy_init(struct device *dev); extern int omap4430_phy_exit(struct device *dev); - +extern int omap4430_phy_suspend(struct device *dev, int suspend); #endif - /* * FIXME correct answer depends on hmc_mode, * as does (on omap1) any nonzero value for config->otg port number diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 459b319a9fad..69ddc9f76c13 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -32,7 +32,6 @@ #include <plat/mailbox.h> -static struct workqueue_struct *mboxd; static struct omap_mbox **mboxes; static int mbox_configured; @@ -197,7 +196,7 @@ static void __mbox_rx_interrupt(struct omap_mbox *mbox) /* no more messages in the fifo. clear IRQ source. */ ack_mbox_irq(mbox, IRQ_RX); nomem: - queue_work(mboxd, &mbox->rxq->work); + schedule_work(&mbox->rxq->work); } static irqreturn_t mbox_interrupt(int irq, void *p) @@ -307,7 +306,7 @@ static void omap_mbox_fini(struct omap_mbox *mbox) if (!--mbox->use_count) { free_irq(mbox->irq, mbox); tasklet_kill(&mbox->txq->tasklet); - flush_work(&mbox->rxq->work); + flush_work_sync(&mbox->rxq->work); mbox_queue_free(mbox->txq); mbox_queue_free(mbox->rxq); } @@ -322,15 +321,18 @@ static void omap_mbox_fini(struct omap_mbox *mbox) struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb) { - struct omap_mbox *mbox; - int ret; + struct omap_mbox *_mbox, *mbox = NULL; + int i, ret; if (!mboxes) return ERR_PTR(-EINVAL); - for (mbox = *mboxes; mbox; mbox++) - if (!strcmp(mbox->name, name)) + for (i = 0; (_mbox = mboxes[i]); i++) { + if (!strcmp(_mbox->name, name)) { + mbox = _mbox; break; + } + } if (!mbox) return ERR_PTR(-ENOENT); @@ -406,10 +408,6 @@ static int __init omap_mbox_init(void) if (err) return err; - mboxd = create_workqueue("mboxd"); - if (!mboxd) - return -ENOMEM; - /* kfifo size sanity check: alignment and minimal size */ mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(mbox_msg_t)); mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size, @@ -421,7 +419,6 @@ subsys_initcall(omap_mbox_init); static void __exit omap_mbox_exit(void) { - destroy_workqueue(mboxd); class_unregister(&omap_mbox_class); } module_exit(omap_mbox_exit); diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index e26e50487d60..68fcc7dc56e7 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -242,7 +242,14 @@ static void __init omap_map_sram(void) omap_sram_size - SRAM_BOOTLOADER_SZ); } -void * omap_sram_push(void * start, unsigned long size) +/* + * Memory allocator for SRAM: calculates the new ceiling address + * for pushing a function using the fncpy API. + * + * Note that fncpy requires the returned address to be aligned + * to an 8-byte boundary. + */ +void *omap_sram_push_address(unsigned long size) { if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { printk(KERN_ERR "Not enough space in SRAM\n"); @@ -250,10 +257,7 @@ void * omap_sram_push(void * start, unsigned long size) } omap_sram_ceil -= size; - omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *)); - memcpy((void *)omap_sram_ceil, start, size); - flush_icache_range((unsigned long)omap_sram_ceil, - (unsigned long)(omap_sram_ceil + size)); + omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, FNCPY_ALIGN); return (void *)omap_sram_ceil; } diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c index b77e018d36c1..a9aa5ad3f4eb 100644 --- a/arch/arm/plat-pxa/mfp.c +++ b/arch/arm/plat-pxa/mfp.c @@ -139,10 +139,11 @@ static const unsigned long mfpr_edge[] = { #define mfp_configured(p) ((p)->config != -1) /* - * perform a read-back of any MFPR register to make sure the + * perform a read-back of any valid MFPR register to make sure the * previous writings are finished */ -#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + 0) +static unsigned long mfpr_off_readback; +#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + mfpr_off_readback) static inline void __mfp_config_run(struct mfp_pin *p) { @@ -248,6 +249,9 @@ void __init mfp_init_addr(struct mfp_addr_map *map) spin_lock_irqsave(&mfp_spin_lock, flags); + /* mfp offset for readback */ + mfpr_off_readback = map[0].offset; + for (p = map; p->start != MFP_PIN_INVALID; p++) { offset = p->offset; i = p->start; diff --git a/arch/arm/plat-s3c24xx/include/plat/udc.h b/arch/arm/plat-s3c24xx/include/plat/udc.h index 546bb4008f49..80457c6414aa 100644 --- a/arch/arm/plat-s3c24xx/include/plat/udc.h +++ b/arch/arm/plat-s3c24xx/include/plat/udc.h @@ -27,6 +27,10 @@ enum s3c2410_udc_cmd_e { struct s3c2410_udc_mach_info { void (*udc_command)(enum s3c2410_udc_cmd_e); void (*vbus_draw)(unsigned int ma); + + unsigned int pullup_pin; + unsigned int pullup_pin_inverted; + unsigned int vbus_pin; unsigned char vbus_pin_inverted; }; diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S index e73e3b6e88d2..fd7032f84ae7 100644 --- a/arch/arm/plat-s3c24xx/sleep.S +++ b/arch/arm/plat-s3c24xx/sleep.S @@ -44,23 +44,13 @@ /* s3c_cpu_save * * entry: - * r0 = save address (virtual addr of s3c_sleep_save_phys) + * r1 = v:p offset */ ENTRY(s3c_cpu_save) stmfd sp!, { r4 - r12, lr } - - @@ store co-processor registers - - mrc p15, 0, r4, c13, c0, 0 @ PID - mrc p15, 0, r5, c3, c0, 0 @ Domain ID - mrc p15, 0, r6, c2, c0, 0 @ translation table base address - mrc p15, 0, r7, c1, c0, 0 @ control register - - stmia r0, { r4 - r13 } - - @@ write our state back to RAM - bl s3c_pm_cb_flushcache + ldr r3, =resume_with_mmu + bl cpu_suspend @@ jump to final code to send system to sleep ldr r0, =pm_cpu_sleep @@ -76,20 +66,6 @@ resume_with_mmu: .ltorg - @@ the next bits sit in the .data segment, even though they - @@ happen to be code... the s3c_sleep_save_phys needs to be - @@ accessed by the resume code before it can restore the MMU. - @@ This means that the variable has to be close enough for the - @@ code to read it... since the .text segment needs to be RO, - @@ the data segment can be the only place to put this code. - - .data - - .global s3c_sleep_save_phys -s3c_sleep_save_phys: - .word 0 - - /* sleep magic, to allow the bootloader to check for an valid * image to resume to. Must be the first word before the * s3c_cpu_resume entry. @@ -100,10 +76,6 @@ s3c_sleep_save_phys: /* s3c_cpu_resume * * resume code entry for bootloader to call - * - * we must put this code here in the data segment as we have no - * other way of restoring the stack pointer after sleep, and we - * must not write to the code segment (code is read-only) */ ENTRY(s3c_cpu_resume) @@ -134,25 +106,4 @@ ENTRY(s3c_cpu_resume) beq 1001b #endif /* CONFIG_DEBUG_RESUME */ - mov r1, #0 - mcr p15, 0, r1, c8, c7, 0 @@ invalidate I & D TLBs - mcr p15, 0, r1, c7, c7, 0 @@ invalidate I & D caches - - ldr r0, s3c_sleep_save_phys @ address of restore block - ldmia r0, { r4 - r13 } - - mcr p15, 0, r4, c13, c0, 0 @ PID - mcr p15, 0, r5, c3, c0, 0 @ Domain ID - mcr p15, 0, r6, c2, c0, 0 @ translation table base - -#ifdef CONFIG_DEBUG_RESUME - mov r3, #'R' - strb r3, [ r2, #S3C2410_UTXH ] -#endif - - ldr r2, =resume_with_mmu - mcr p15, 0, r7, c1, c0, 0 @ turn on MMU, etc - nop @ second-to-last before mmu - mov pc, r2 @ go back to virtual address - - .ltorg + b cpu_resume diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index deb39951a22e..557f8c507f6d 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -37,6 +37,14 @@ config S5P_GPIO_INT help Common code for the GPIO interrupts (other than external interrupts.) +comment "System MMU" + +config S5P_SYSTEM_MMU + bool "S5P SYSTEM MMU" + depends on ARCH_S5PV310 + help + Say Y here if you want to enable System MMU + config S5P_DEV_FIMC0 bool help @@ -66,19 +74,3 @@ config S5P_DEV_CSIS1 bool help Compile in platform device definitions for MIPI-CSIS channel 1 - -menuconfig S5P_SYSMMU - bool "SYSMMU support" - depends on ARCH_S5PV310 - help - This is a System MMU driver for Samsung ARM based Soc. - -if S5P_SYSMMU - -config S5P_SYSMMU_DEBUG - bool "Enables debug messages" - depends on S5P_SYSMMU - help - This enables SYSMMU driver debug massages. - -endif diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile index 92efe1adcfd6..4bd5cf908977 100644 --- a/arch/arm/plat-s5p/Makefile +++ b/arch/arm/plat-s5p/Makefile @@ -19,6 +19,7 @@ obj-y += clock.o obj-y += irq.o obj-$(CONFIG_S5P_EXT_INT) += irq-eint.o obj-$(CONFIG_S5P_GPIO_INT) += irq-gpioint.o +obj-$(CONFIG_S5P_SYSTEM_MMU) += sysmmu.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_PM) += irq-pm.o @@ -30,4 +31,3 @@ obj-$(CONFIG_S5P_DEV_FIMC2) += dev-fimc2.o obj-$(CONFIG_S5P_DEV_ONENAND) += dev-onenand.o obj-$(CONFIG_S5P_DEV_CSIS0) += dev-csis0.o obj-$(CONFIG_S5P_DEV_CSIS1) += dev-csis1.o -obj-$(CONFIG_S5P_SYSMMU) += sysmmu.o diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c index 6a7342886171..afaf87fdb93e 100644 --- a/arch/arm/plat-s5p/dev-uart.c +++ b/arch/arm/plat-s5p/dev-uart.c @@ -28,7 +28,7 @@ static struct resource s5p_uart0_resource[] = { [0] = { .start = S5P_PA_UART0, - .end = S5P_PA_UART0 + S5P_SZ_UART, + .end = S5P_PA_UART0 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -51,7 +51,7 @@ static struct resource s5p_uart0_resource[] = { static struct resource s5p_uart1_resource[] = { [0] = { .start = S5P_PA_UART1, - .end = S5P_PA_UART1 + S5P_SZ_UART, + .end = S5P_PA_UART1 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -74,7 +74,7 @@ static struct resource s5p_uart1_resource[] = { static struct resource s5p_uart2_resource[] = { [0] = { .start = S5P_PA_UART2, - .end = S5P_PA_UART2 + S5P_SZ_UART, + .end = S5P_PA_UART2 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -98,7 +98,7 @@ static struct resource s5p_uart3_resource[] = { #if CONFIG_SERIAL_SAMSUNG_UARTS > 3 [0] = { .start = S5P_PA_UART3, - .end = S5P_PA_UART3 + S5P_SZ_UART, + .end = S5P_PA_UART3 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -123,7 +123,7 @@ static struct resource s5p_uart4_resource[] = { #if CONFIG_SERIAL_SAMSUNG_UARTS > 4 [0] = { .start = S5P_PA_UART4, - .end = S5P_PA_UART4 + S5P_SZ_UART, + .end = S5P_PA_UART4 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -148,7 +148,7 @@ static struct resource s5p_uart5_resource[] = { #if CONFIG_SERIAL_SAMSUNG_UARTS > 5 [0] = { .start = S5P_PA_UART5, - .end = S5P_PA_UART5 + S5P_SZ_UART, + .end = S5P_PA_UART5 + S5P_SZ_UART - 1, .flags = IORESOURCE_MEM, }, [1] = { diff --git a/arch/arm/plat-s5p/include/plat/sysmmu.h b/arch/arm/plat-s5p/include/plat/sysmmu.h deleted file mode 100644 index db298fc5438a..000000000000 --- a/arch/arm/plat-s5p/include/plat/sysmmu.h +++ /dev/null @@ -1,23 +0,0 @@ -/* linux/arch/arm/plat-s5p/include/plat/sysmmu.h - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * Samsung sysmmu driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_PLAT_S5P_SYSMMU_H -#define __ASM_PLAT_S5P_SYSMMU_H __FILE__ - -/* debug macro */ -#ifdef CONFIG_S5P_SYSMMU_DEBUG -#define sysmmu_debug(fmt, arg...) printk(KERN_INFO "[%s] " fmt, __func__, ## arg) -#else -#define sysmmu_debug(fmt, arg...) do { } while (0) -#endif - -#endif /* __ASM_PLAT_S5P_SYSMMU_H */ diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c index d804914dc2e2..ffe8a48bc3c1 100644 --- a/arch/arm/plat-s5p/sysmmu.c +++ b/arch/arm/plat-s5p/sysmmu.c @@ -16,8 +16,6 @@ #include <mach/regs-sysmmu.h> #include <mach/sysmmu.h> -#include <plat/sysmmu.h> - struct sysmmu_controller s5p_sysmmu_cntlrs[S5P_SYSMMU_TOTAL_IPNUM]; void s5p_sysmmu_register(struct sysmmu_controller *sysmmuconp) @@ -123,7 +121,7 @@ static int s5p_sysmmu_set_tablebase(sysmmu_ips ips) : "=r" (pg) : : "cc"); \ pg &= ~0x3fff; - sysmmu_debug("CP15 TTBR0 : 0x%x\n", pg); + printk(KERN_INFO "%s: CP15 TTBR0 : 0x%x\n", __func__, pg); /* Set sysmmu page table base address */ __raw_writel(pg, sysmmuconp->regs + S5P_PT_BASE_ADDR); diff --git a/arch/arm/plat-samsung/dev-ts.c b/arch/arm/plat-samsung/dev-ts.c index 236ef8427d7d..3e4bd8147bf4 100644 --- a/arch/arm/plat-samsung/dev-ts.c +++ b/arch/arm/plat-samsung/dev-ts.c @@ -58,4 +58,3 @@ void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd) s3c_device_ts.dev.platform_data = npd; } -EXPORT_SYMBOL(s3c24xx_ts_set_platdata); diff --git a/arch/arm/plat-samsung/dev-uart.c b/arch/arm/plat-samsung/dev-uart.c index 3776cd952450..5928105490fa 100644 --- a/arch/arm/plat-samsung/dev-uart.c +++ b/arch/arm/plat-samsung/dev-uart.c @@ -15,6 +15,8 @@ #include <linux/kernel.h> #include <linux/platform_device.h> +#include <plat/devs.h> + /* uart devices */ static struct platform_device s3c24xx_uart_device0 = { diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index d9025e377675..937cc2ace517 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -17,6 +17,8 @@ #include <linux/irq.h> +struct sys_device; + #ifdef CONFIG_PM extern __init int s3c_pm_init(void); @@ -50,13 +52,11 @@ extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */ /* from sleep.S */ -extern int s3c_cpu_save(unsigned long *saveblk); +extern int s3c_cpu_save(unsigned long *saveblk, long); extern void s3c_cpu_resume(void); extern void s3c2410_cpu_suspend(void); -extern unsigned long s3c_sleep_save_phys; - /* sleep save info */ /** @@ -179,13 +179,5 @@ extern void s3c_pm_restore_gpios(void); */ extern void s3c_pm_save_gpios(void); -/** - * s3c_pm_cb_flushcache - callback for assembly code - * - * Callback to issue flush_cache_all() as this call is - * not a directly callable object. - */ -extern void s3c_pm_cb_flushcache(void); - extern void s3c_pm_save_core(void); extern void s3c_pm_restore_core(void); diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index 02d531fb3f81..d5b58d31903c 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -241,8 +241,6 @@ void (*pm_cpu_sleep)(void); static int s3c_pm_enter(suspend_state_t state) { - static unsigned long regs_save[16]; - /* ensure the debug is initialised (if enabled) */ s3c_pm_debug_init(); @@ -266,12 +264,6 @@ static int s3c_pm_enter(suspend_state_t state) return -EINVAL; } - /* store the physical address of the register recovery block */ - - s3c_sleep_save_phys = virt_to_phys(regs_save); - - S3C_PMDBG("s3c_sleep_save_phys=0x%08lx\n", s3c_sleep_save_phys); - /* save all necessary core registers not covered by the drivers */ s3c_pm_save_gpios(); @@ -305,7 +297,7 @@ static int s3c_pm_enter(suspend_state_t state) * we resume as it saves its own register state and restores it * during the resume. */ - s3c_cpu_save(regs_save); + s3c_cpu_save(0, PLAT_PHYS_OFFSET - PAGE_OFFSET); /* restore the cpu state using the kernel's cpu init code. */ @@ -336,12 +328,6 @@ static int s3c_pm_enter(suspend_state_t state) return 0; } -/* callback from assembly code */ -void s3c_pm_cb_flushcache(void) -{ - flush_cache_all(); -} - static int s3c_pm_prepare(void) { /* prepare check area if configured */ diff --git a/arch/arm/plat-spear/Makefile b/arch/arm/plat-spear/Makefile index eb89540aeda9..b4f340b8f1f1 100644 --- a/arch/arm/plat-spear/Makefile +++ b/arch/arm/plat-spear/Makefile @@ -3,6 +3,6 @@ # # Common support -obj-y := clock.o padmux.o time.o +obj-y := clock.o time.o -obj-$(CONFIG_ARCH_SPEAR3XX) += shirq.o +obj-$(CONFIG_ARCH_SPEAR3XX) += shirq.o padmux.o diff --git a/arch/arm/plat-spear/clock.c b/arch/arm/plat-spear/clock.c index ee4f90e534d8..bdbd7ec9cb6b 100644 --- a/arch/arm/plat-spear/clock.c +++ b/arch/arm/plat-spear/clock.c @@ -12,18 +12,25 @@ */ #include <linux/bug.h> +#include <linux/clk.h> +#include <linux/debugfs.h> #include <linux/err.h> #include <linux/io.h> #include <linux/list.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <mach/misc_regs.h> #include <plat/clock.h> static DEFINE_SPINLOCK(clocks_lock); static LIST_HEAD(root_clks); +#ifdef CONFIG_DEBUG_FS +static LIST_HEAD(clocks); +#endif -static void propagate_rate(struct list_head *); +static void propagate_rate(struct clk *, int on_init); +#ifdef CONFIG_DEBUG_FS +static int clk_debugfs_reparent(struct clk *); +#endif static int generic_clk_enable(struct clk *clk) { @@ -65,6 +72,104 @@ static struct clkops generic_clkops = { .disable = generic_clk_disable, }; +/* returns current programmed clocks clock info structure */ +static struct pclk_info *pclk_info_get(struct clk *clk) +{ + unsigned int val, i; + struct pclk_info *info = NULL; + + val = (readl(clk->pclk_sel->pclk_sel_reg) >> clk->pclk_sel_shift) + & clk->pclk_sel->pclk_sel_mask; + + for (i = 0; i < clk->pclk_sel->pclk_count; i++) { + if (clk->pclk_sel->pclk_info[i].pclk_val == val) + info = &clk->pclk_sel->pclk_info[i]; + } + + return info; +} + +/* + * Set Update pclk, and pclk_info of clk and add clock sibling node to current + * parents children list + */ +static void clk_reparent(struct clk *clk, struct pclk_info *pclk_info) +{ + unsigned long flags; + + spin_lock_irqsave(&clocks_lock, flags); + list_del(&clk->sibling); + list_add(&clk->sibling, &pclk_info->pclk->children); + + clk->pclk = pclk_info->pclk; + spin_unlock_irqrestore(&clocks_lock, flags); + +#ifdef CONFIG_DEBUG_FS + clk_debugfs_reparent(clk); +#endif +} + +static void do_clk_disable(struct clk *clk) +{ + if (!clk) + return; + + if (!clk->usage_count) { + WARN_ON(1); + return; + } + + clk->usage_count--; + + if (clk->usage_count == 0) { + /* + * Surely, there are no active childrens or direct users + * of this clock + */ + if (clk->pclk) + do_clk_disable(clk->pclk); + + if (clk->ops && clk->ops->disable) + clk->ops->disable(clk); + } +} + +static int do_clk_enable(struct clk *clk) +{ + int ret = 0; + + if (!clk) + return -EFAULT; + + if (clk->usage_count == 0) { + if (clk->pclk) { + ret = do_clk_enable(clk->pclk); + if (ret) + goto err; + } + if (clk->ops && clk->ops->enable) { + ret = clk->ops->enable(clk); + if (ret) { + if (clk->pclk) + do_clk_disable(clk->pclk); + goto err; + } + } + /* + * Since the clock is going to be used for the first + * time please reclac + */ + if (clk->recalc) { + ret = clk->recalc(clk); + if (ret) + goto err; + } + } + clk->usage_count++; +err: + return ret; +} + /* * clk_enable - inform the system when the clock source should be running. * @clk: clock source @@ -78,17 +183,9 @@ int clk_enable(struct clk *clk) unsigned long flags; int ret = 0; - if (!clk || IS_ERR(clk)) - return -EFAULT; - spin_lock_irqsave(&clocks_lock, flags); - if (clk->usage_count == 0) { - if (clk->ops && clk->ops->enable) - ret = clk->ops->enable(clk); - } - clk->usage_count++; + ret = do_clk_enable(clk); spin_unlock_irqrestore(&clocks_lock, flags); - return ret; } EXPORT_SYMBOL(clk_enable); @@ -109,17 +206,8 @@ void clk_disable(struct clk *clk) { unsigned long flags; - if (!clk || IS_ERR(clk)) - return; - - WARN_ON(clk->usage_count == 0); - spin_lock_irqsave(&clocks_lock, flags); - clk->usage_count--; - if (clk->usage_count == 0) { - if (clk->ops && clk->ops->disable) - clk->ops->disable(clk); - } + do_clk_disable(clk); spin_unlock_irqrestore(&clocks_lock, flags); } EXPORT_SYMBOL(clk_disable); @@ -153,15 +241,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent) int i, found = 0, val = 0; unsigned long flags; - if (!clk || IS_ERR(clk) || !parent || IS_ERR(parent)) + if (!clk || !parent) return -EFAULT; - if (clk->usage_count) - return -EBUSY; - if (!clk->pclk_sel) - return -EPERM; if (clk->pclk == parent) return 0; + if (!clk->pclk_sel) + return -EPERM; + /* check if requested parent is in clk parent list */ for (i = 0; i < clk->pclk_sel->pclk_count; i++) { if (clk->pclk_sel->pclk_info[i].pclk == parent) { found = 1; @@ -176,25 +263,58 @@ int clk_set_parent(struct clk *clk, struct clk *parent) /* reflect parent change in hardware */ val = readl(clk->pclk_sel->pclk_sel_reg); val &= ~(clk->pclk_sel->pclk_sel_mask << clk->pclk_sel_shift); - val |= clk->pclk_sel->pclk_info[i].pclk_mask << clk->pclk_sel_shift; + val |= clk->pclk_sel->pclk_info[i].pclk_val << clk->pclk_sel_shift; writel(val, clk->pclk_sel->pclk_sel_reg); spin_unlock_irqrestore(&clocks_lock, flags); /* reflect parent change in software */ - clk->recalc(clk); - propagate_rate(&clk->children); + clk_reparent(clk, &clk->pclk_sel->pclk_info[i]); + + propagate_rate(clk, 0); return 0; } EXPORT_SYMBOL(clk_set_parent); +/** + * clk_set_rate - set the clock rate for a clock source + * @clk: clock source + * @rate: desired clock rate in Hz + * + * Returns success (0) or negative errno. + */ +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long flags; + int ret = -EINVAL; + + if (!clk || !rate) + return -EFAULT; + + if (clk->set_rate) { + spin_lock_irqsave(&clocks_lock, flags); + ret = clk->set_rate(clk, rate); + if (!ret) + /* if successful -> propagate */ + propagate_rate(clk, 0); + spin_unlock_irqrestore(&clocks_lock, flags); + } else if (clk->pclk) { + u32 mult = clk->div_factor ? clk->div_factor : 1; + ret = clk_set_rate(clk->pclk, mult * rate); + } + + return ret; +} +EXPORT_SYMBOL(clk_set_rate); + /* registers clock in platform clock framework */ void clk_register(struct clk_lookup *cl) { - struct clk *clk = cl->clk; + struct clk *clk; unsigned long flags; - if (!clk || IS_ERR(clk)) + if (!cl || !cl->clk) return; + clk = cl->clk; spin_lock_irqsave(&clocks_lock, flags); @@ -207,71 +327,173 @@ void clk_register(struct clk_lookup *cl) /* root clock don't have any parents */ if (!clk->pclk && !clk->pclk_sel) { list_add(&clk->sibling, &root_clks); - /* add clocks with only one parent to parent's children list */ } else if (clk->pclk && !clk->pclk_sel) { + /* add clocks with only one parent to parent's children list */ list_add(&clk->sibling, &clk->pclk->children); } else { - /* add clocks with > 1 parent to 1st parent's children list */ - list_add(&clk->sibling, - &clk->pclk_sel->pclk_info[0].pclk->children); + /* clocks with more than one parent */ + struct pclk_info *pclk_info; + + pclk_info = pclk_info_get(clk); + if (!pclk_info) { + pr_err("CLKDEV: invalid pclk info of clk with" + " %s dev_id and %s con_id\n", + cl->dev_id, cl->con_id); + } else { + clk->pclk = pclk_info->pclk; + list_add(&clk->sibling, &pclk_info->pclk->children); + } } + spin_unlock_irqrestore(&clocks_lock, flags); + /* debugfs specific */ +#ifdef CONFIG_DEBUG_FS + list_add(&clk->node, &clocks); + clk->cl = cl; +#endif + /* add clock to arm clockdev framework */ clkdev_add(cl); } /** - * propagate_rate - recalculate and propagate all clocks in list head + * propagate_rate - recalculate and propagate all clocks to children + * @pclk: parent clock required to be propogated + * @on_init: flag for enabling clocks which are ENABLED_ON_INIT. * - * Recalculates all root clocks in list head, which if the clock's .recalc is - * set correctly, should also propagate their rates. + * Recalculates all children clocks */ -static void propagate_rate(struct list_head *lhead) +void propagate_rate(struct clk *pclk, int on_init) { - struct clk *clkp, *_temp; + struct clk *clk, *_temp; + int ret = 0; - list_for_each_entry_safe(clkp, _temp, lhead, sibling) { - if (clkp->recalc) - clkp->recalc(clkp); - propagate_rate(&clkp->children); + list_for_each_entry_safe(clk, _temp, &pclk->children, sibling) { + if (clk->recalc) { + ret = clk->recalc(clk); + /* + * recalc will return error if clk out is not programmed + * In this case configure default rate. + */ + if (ret && clk->set_rate) + clk->set_rate(clk, 0); + } + propagate_rate(clk, on_init); + + if (!on_init) + continue; + + /* Enable clks enabled on init, in software view */ + if (clk->flags & ENABLED_ON_INIT) + do_clk_enable(clk); } } -/* returns current programmed clocks clock info structure */ -static struct pclk_info *pclk_info_get(struct clk *clk) +/** + * round_rate_index - return closest programmable rate index in rate_config tbl + * @clk: ptr to clock structure + * @drate: desired rate + * @rate: final rate will be returned in this variable only. + * + * Finds index in rate_config for highest clk rate which is less than + * requested rate. If there is no clk rate lesser than requested rate then + * -EINVAL is returned. This routine assumes that rate_config is written + * in incrementing order of clk rates. + * If drate passed is zero then default rate is programmed. + */ +static int +round_rate_index(struct clk *clk, unsigned long drate, unsigned long *rate) { - unsigned int mask, i; - unsigned long flags; - struct pclk_info *info = NULL; + unsigned long tmp = 0, prev_rate = 0; + int index; - spin_lock_irqsave(&clocks_lock, flags); - mask = (readl(clk->pclk_sel->pclk_sel_reg) >> clk->pclk_sel_shift) - & clk->pclk_sel->pclk_sel_mask; + if (!clk->calc_rate) + return -EFAULT; - for (i = 0; i < clk->pclk_sel->pclk_count; i++) { - if (clk->pclk_sel->pclk_info[i].pclk_mask == mask) - info = &clk->pclk_sel->pclk_info[i]; + if (!drate) + return -EINVAL; + + /* + * This loops ends on two conditions: + * - as soon as clk is found with rate greater than requested rate. + * - if all clks in rate_config are smaller than requested rate. + */ + for (index = 0; index < clk->rate_config.count; index++) { + prev_rate = tmp; + tmp = clk->calc_rate(clk, index); + if (drate < tmp) { + index--; + break; + } } - spin_unlock_irqrestore(&clocks_lock, flags); + /* return if can't find suitable clock */ + if (index < 0) { + index = -EINVAL; + *rate = 0; + } else if (index == clk->rate_config.count) { + /* program with highest clk rate possible */ + index = clk->rate_config.count - 1; + *rate = tmp; + } else + *rate = prev_rate; - return info; + return index; } -/* - * Set pclk as cclk's parent and add clock sibling node to current parents - * children list +/** + * clk_round_rate - adjust a rate to the exact rate a clock can provide + * @clk: clock source + * @rate: desired clock rate in Hz + * + * Returns rounded clock rate in Hz, or negative errno. */ -static void change_parent(struct clk *cclk, struct clk *pclk) +long clk_round_rate(struct clk *clk, unsigned long drate) { - unsigned long flags; + long rate = 0; + int index; + + /* + * propagate call to parent who supports calc_rate. Similar approach is + * used in clk_set_rate. + */ + if (!clk->calc_rate) { + u32 mult; + if (!clk->pclk) + return clk->rate; + + mult = clk->div_factor ? clk->div_factor : 1; + return clk_round_rate(clk->pclk, mult * drate) / mult; + } - spin_lock_irqsave(&clocks_lock, flags); - list_del(&cclk->sibling); - list_add(&cclk->sibling, &pclk->children); + index = round_rate_index(clk, drate, &rate); + if (index >= 0) + return rate; + else + return index; +} +EXPORT_SYMBOL(clk_round_rate); - cclk->pclk = pclk; - spin_unlock_irqrestore(&clocks_lock, flags); +/*All below functions are called with lock held */ + +/* + * Calculates pll clk rate for specific value of mode, m, n and p + * + * In normal mode + * rate = (2 * M[15:8] * Fin)/(N * 2^P) + * + * In Dithered mode + * rate = (2 * M[15:0] * Fin)/(256 * N * 2^P) + */ +unsigned long pll_calc_rate(struct clk *clk, int index) +{ + unsigned long rate = clk->pclk->rate; + struct pll_rate_tbl *tbls = clk->rate_config.tbls; + unsigned int mode; + + mode = tbls[index].mode ? 256 : 1; + return (((2 * rate / 10000) * tbls[index].m) / + (mode * tbls[index].n * (1 << tbls[index].p))) * 10000; } /* @@ -283,47 +505,146 @@ static void change_parent(struct clk *cclk, struct clk *pclk) * In Dithered mode * rate = (2 * M[15:0] * Fin)/(256 * N * 2^P) */ -void pll1_clk_recalc(struct clk *clk) +int pll_clk_recalc(struct clk *clk) { struct pll_clk_config *config = clk->private_data; unsigned int num = 2, den = 0, val, mode = 0; - unsigned long flags; - spin_lock_irqsave(&clocks_lock, flags); - mode = (readl(config->mode_reg) >> PLL_MODE_SHIFT) & - PLL_MODE_MASK; + mode = (readl(config->mode_reg) >> config->masks->mode_shift) & + config->masks->mode_mask; val = readl(config->cfg_reg); /* calculate denominator */ - den = (val >> PLL_DIV_P_SHIFT) & PLL_DIV_P_MASK; + den = (val >> config->masks->div_p_shift) & config->masks->div_p_mask; den = 1 << den; - den *= (val >> PLL_DIV_N_SHIFT) & PLL_DIV_N_MASK; + den *= (val >> config->masks->div_n_shift) & config->masks->div_n_mask; /* calculate numerator & denominator */ if (!mode) { /* Normal mode */ - num *= (val >> PLL_NORM_FDBK_M_SHIFT) & PLL_NORM_FDBK_M_MASK; + num *= (val >> config->masks->norm_fdbk_m_shift) & + config->masks->norm_fdbk_m_mask; } else { /* Dithered mode */ - num *= (val >> PLL_DITH_FDBK_M_SHIFT) & PLL_DITH_FDBK_M_MASK; + num *= (val >> config->masks->dith_fdbk_m_shift) & + config->masks->dith_fdbk_m_mask; den *= 256; } + if (!den) + return -EINVAL; + clk->rate = (((clk->pclk->rate/10000) * num) / den) * 10000; - spin_unlock_irqrestore(&clocks_lock, flags); + return 0; +} + +/* + * Configures new clock rate of pll + */ +int pll_clk_set_rate(struct clk *clk, unsigned long desired_rate) +{ + struct pll_rate_tbl *tbls = clk->rate_config.tbls; + struct pll_clk_config *config = clk->private_data; + unsigned long val, rate; + int i; + + i = round_rate_index(clk, desired_rate, &rate); + if (i < 0) + return i; + + val = readl(config->mode_reg) & + ~(config->masks->mode_mask << config->masks->mode_shift); + val |= (tbls[i].mode & config->masks->mode_mask) << + config->masks->mode_shift; + writel(val, config->mode_reg); + + val = readl(config->cfg_reg) & + ~(config->masks->div_p_mask << config->masks->div_p_shift); + val |= (tbls[i].p & config->masks->div_p_mask) << + config->masks->div_p_shift; + val &= ~(config->masks->div_n_mask << config->masks->div_n_shift); + val |= (tbls[i].n & config->masks->div_n_mask) << + config->masks->div_n_shift; + val &= ~(config->masks->dith_fdbk_m_mask << + config->masks->dith_fdbk_m_shift); + if (tbls[i].mode) + val |= (tbls[i].m & config->masks->dith_fdbk_m_mask) << + config->masks->dith_fdbk_m_shift; + else + val |= (tbls[i].m & config->masks->norm_fdbk_m_mask) << + config->masks->norm_fdbk_m_shift; + + writel(val, config->cfg_reg); + + clk->rate = rate; + + return 0; +} + +/* + * Calculates ahb, apb clk rate for specific value of div + */ +unsigned long bus_calc_rate(struct clk *clk, int index) +{ + unsigned long rate = clk->pclk->rate; + struct bus_rate_tbl *tbls = clk->rate_config.tbls; + + return rate / (tbls[index].div + 1); } /* calculates current programmed rate of ahb or apb bus */ -void bus_clk_recalc(struct clk *clk) +int bus_clk_recalc(struct clk *clk) { struct bus_clk_config *config = clk->private_data; unsigned int div; - unsigned long flags; - spin_lock_irqsave(&clocks_lock, flags); - div = ((readl(config->reg) >> config->shift) & config->mask) + 1; + div = ((readl(config->reg) >> config->masks->shift) & + config->masks->mask) + 1; + + if (!div) + return -EINVAL; + clk->rate = (unsigned long)clk->pclk->rate / div; - spin_unlock_irqrestore(&clocks_lock, flags); + return 0; +} + +/* Configures new clock rate of AHB OR APB bus */ +int bus_clk_set_rate(struct clk *clk, unsigned long desired_rate) +{ + struct bus_rate_tbl *tbls = clk->rate_config.tbls; + struct bus_clk_config *config = clk->private_data; + unsigned long val, rate; + int i; + + i = round_rate_index(clk, desired_rate, &rate); + if (i < 0) + return i; + + val = readl(config->reg) & + ~(config->masks->mask << config->masks->shift); + val |= (tbls[i].div & config->masks->mask) << config->masks->shift; + writel(val, config->reg); + + clk->rate = rate; + + return 0; +} + +/* + * gives rate for different values of eq, x and y + * + * Fout from synthesizer can be given from two equations: + * Fout1 = (Fin * X/Y)/2 EQ1 + * Fout2 = Fin * X/Y EQ2 + */ +unsigned long aux_calc_rate(struct clk *clk, int index) +{ + unsigned long rate = clk->pclk->rate; + struct aux_rate_tbl *tbls = clk->rate_config.tbls; + u8 eq = tbls[index].eq ? 1 : 2; + + return (((rate/10000) * tbls[index].xscale) / + (tbls[index].yscale * eq)) * 10000; } /* @@ -336,44 +657,76 @@ void bus_clk_recalc(struct clk *clk) * * Selection of eqn 1 or 2 is programmed in register */ -void aux_clk_recalc(struct clk *clk) +int aux_clk_recalc(struct clk *clk) { struct aux_clk_config *config = clk->private_data; - struct pclk_info *pclk_info = NULL; unsigned int num = 1, den = 1, val, eqn; - unsigned long flags; - /* get current programmed parent */ - pclk_info = pclk_info_get(clk); - if (!pclk_info) { - spin_lock_irqsave(&clocks_lock, flags); - clk->pclk = NULL; - clk->rate = 0; - spin_unlock_irqrestore(&clocks_lock, flags); - return; - } + val = readl(config->synth_reg); - change_parent(clk, pclk_info->pclk); + eqn = (val >> config->masks->eq_sel_shift) & + config->masks->eq_sel_mask; + if (eqn == config->masks->eq1_mask) + den *= 2; - spin_lock_irqsave(&clocks_lock, flags); - if (pclk_info->scalable) { - val = readl(config->synth_reg); + /* calculate numerator */ + num = (val >> config->masks->xscale_sel_shift) & + config->masks->xscale_sel_mask; - eqn = (val >> AUX_EQ_SEL_SHIFT) & AUX_EQ_SEL_MASK; - if (eqn == AUX_EQ1_SEL) - den *= 2; + /* calculate denominator */ + den *= (val >> config->masks->yscale_sel_shift) & + config->masks->yscale_sel_mask; - /* calculate numerator */ - num = (val >> AUX_XSCALE_SHIFT) & AUX_XSCALE_MASK; + if (!den) + return -EINVAL; - /* calculate denominator */ - den *= (val >> AUX_YSCALE_SHIFT) & AUX_YSCALE_MASK; - val = (((clk->pclk->rate/10000) * num) / den) * 10000; - } else - val = clk->pclk->rate; + clk->rate = (((clk->pclk->rate/10000) * num) / den) * 10000; + return 0; +} - clk->rate = val; - spin_unlock_irqrestore(&clocks_lock, flags); +/* Configures new clock rate of auxiliary synthesizers used by: UART, FIRDA*/ +int aux_clk_set_rate(struct clk *clk, unsigned long desired_rate) +{ + struct aux_rate_tbl *tbls = clk->rate_config.tbls; + struct aux_clk_config *config = clk->private_data; + unsigned long val, rate; + int i; + + i = round_rate_index(clk, desired_rate, &rate); + if (i < 0) + return i; + + val = readl(config->synth_reg) & + ~(config->masks->eq_sel_mask << config->masks->eq_sel_shift); + val |= (tbls[i].eq & config->masks->eq_sel_mask) << + config->masks->eq_sel_shift; + val &= ~(config->masks->xscale_sel_mask << + config->masks->xscale_sel_shift); + val |= (tbls[i].xscale & config->masks->xscale_sel_mask) << + config->masks->xscale_sel_shift; + val &= ~(config->masks->yscale_sel_mask << + config->masks->yscale_sel_shift); + val |= (tbls[i].yscale & config->masks->yscale_sel_mask) << + config->masks->yscale_sel_shift; + writel(val, config->synth_reg); + + clk->rate = rate; + + return 0; +} + +/* + * Calculates gpt clk rate for different values of mscale and nscale + * + * Fout= Fin/((2 ^ (N+1)) * (M+1)) + */ +unsigned long gpt_calc_rate(struct clk *clk, int index) +{ + unsigned long rate = clk->pclk->rate; + struct gpt_rate_tbl *tbls = clk->rate_config.tbls; + + return rate / ((1 << (tbls[index].nscale + 1)) * + (tbls[index].mscale + 1)); } /* @@ -381,46 +734,142 @@ void aux_clk_recalc(struct clk *clk) * Fout from synthesizer can be given from below equations: * Fout= Fin/((2 ^ (N+1)) * (M+1)) */ -void gpt_clk_recalc(struct clk *clk) +int gpt_clk_recalc(struct clk *clk) { - struct aux_clk_config *config = clk->private_data; - struct pclk_info *pclk_info = NULL; + struct gpt_clk_config *config = clk->private_data; unsigned int div = 1, val; - unsigned long flags; - pclk_info = pclk_info_get(clk); - if (!pclk_info) { - spin_lock_irqsave(&clocks_lock, flags); - clk->pclk = NULL; - clk->rate = 0; - spin_unlock_irqrestore(&clocks_lock, flags); - return; - } - - change_parent(clk, pclk_info->pclk); + val = readl(config->synth_reg); + div += (val >> config->masks->mscale_sel_shift) & + config->masks->mscale_sel_mask; + div *= 1 << (((val >> config->masks->nscale_sel_shift) & + config->masks->nscale_sel_mask) + 1); - spin_lock_irqsave(&clocks_lock, flags); - if (pclk_info->scalable) { - val = readl(config->synth_reg); - div += (val >> GPT_MSCALE_SHIFT) & GPT_MSCALE_MASK; - div *= 1 << (((val >> GPT_NSCALE_SHIFT) & GPT_NSCALE_MASK) + 1); - } + if (!div) + return -EINVAL; clk->rate = (unsigned long)clk->pclk->rate / div; - spin_unlock_irqrestore(&clocks_lock, flags); + return 0; +} + +/* Configures new clock rate of gptiliary synthesizers used by: UART, FIRDA*/ +int gpt_clk_set_rate(struct clk *clk, unsigned long desired_rate) +{ + struct gpt_rate_tbl *tbls = clk->rate_config.tbls; + struct gpt_clk_config *config = clk->private_data; + unsigned long val, rate; + int i; + + i = round_rate_index(clk, desired_rate, &rate); + if (i < 0) + return i; + + val = readl(config->synth_reg) & ~(config->masks->mscale_sel_mask << + config->masks->mscale_sel_shift); + val |= (tbls[i].mscale & config->masks->mscale_sel_mask) << + config->masks->mscale_sel_shift; + val &= ~(config->masks->nscale_sel_mask << + config->masks->nscale_sel_shift); + val |= (tbls[i].nscale & config->masks->nscale_sel_mask) << + config->masks->nscale_sel_shift; + writel(val, config->synth_reg); + + clk->rate = rate; + + return 0; } /* - * Used for clocks that always have same value as the parent clock divided by a + * Calculates clcd clk rate for different values of div + * + * Fout from synthesizer can be given from below equation: + * Fout= Fin/2*div (division factor) + * div is 17 bits:- + * 0-13 (fractional part) + * 14-16 (integer part) + * To calculate Fout we left shift val by 14 bits and divide Fin by + * complete div (including fractional part) and then right shift the + * result by 14 places. + */ +unsigned long clcd_calc_rate(struct clk *clk, int index) +{ + unsigned long rate = clk->pclk->rate; + struct clcd_rate_tbl *tbls = clk->rate_config.tbls; + + rate /= 1000; + rate <<= 12; + rate /= (2 * tbls[index].div); + rate >>= 12; + rate *= 1000; + + return rate; +} + +/* + * calculates current programmed rate of clcd synthesizer + * Fout from synthesizer can be given from below equation: + * Fout= Fin/2*div (division factor) + * div is 17 bits:- + * 0-13 (fractional part) + * 14-16 (integer part) + * To calculate Fout we left shift val by 14 bits and divide Fin by + * complete div (including fractional part) and then right shift the + * result by 14 places. + */ +int clcd_clk_recalc(struct clk *clk) +{ + struct clcd_clk_config *config = clk->private_data; + unsigned int div = 1; + unsigned long prate; + unsigned int val; + + val = readl(config->synth_reg); + div = (val >> config->masks->div_factor_shift) & + config->masks->div_factor_mask; + + if (!div) + return -EINVAL; + + prate = clk->pclk->rate / 1000; /* first level division, make it KHz */ + + clk->rate = (((unsigned long)prate << 12) / (2 * div)) >> 12; + clk->rate *= 1000; + return 0; +} + +/* Configures new clock rate of auxiliary synthesizers used by: UART, FIRDA*/ +int clcd_clk_set_rate(struct clk *clk, unsigned long desired_rate) +{ + struct clcd_rate_tbl *tbls = clk->rate_config.tbls; + struct clcd_clk_config *config = clk->private_data; + unsigned long val, rate; + int i; + + i = round_rate_index(clk, desired_rate, &rate); + if (i < 0) + return i; + + val = readl(config->synth_reg) & ~(config->masks->div_factor_mask << + config->masks->div_factor_shift); + val |= (tbls[i].div & config->masks->div_factor_mask) << + config->masks->div_factor_shift; + writel(val, config->synth_reg); + + clk->rate = rate; + + return 0; +} + +/* + * Used for clocks that always have value as the parent clock divided by a * fixed divisor */ -void follow_parent(struct clk *clk) +int follow_parent(struct clk *clk) { - unsigned long flags; + unsigned int div_factor = (clk->div_factor < 1) ? 1 : clk->div_factor; - spin_lock_irqsave(&clocks_lock, flags); - clk->rate = clk->pclk->rate; - spin_unlock_irqrestore(&clocks_lock, flags); + clk->rate = clk->pclk->rate/div_factor; + return 0; } /** @@ -431,5 +880,124 @@ void follow_parent(struct clk *clk) */ void recalc_root_clocks(void) { - propagate_rate(&root_clks); + struct clk *pclk; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&clocks_lock, flags); + list_for_each_entry(pclk, &root_clks, sibling) { + if (pclk->recalc) { + ret = pclk->recalc(pclk); + /* + * recalc will return error if clk out is not programmed + * In this case configure default clock. + */ + if (ret && pclk->set_rate) + pclk->set_rate(pclk, 0); + } + propagate_rate(pclk, 1); + /* Enable clks enabled on init, in software view */ + if (pclk->flags & ENABLED_ON_INIT) + do_clk_enable(pclk); + } + spin_unlock_irqrestore(&clocks_lock, flags); +} + +#ifdef CONFIG_DEBUG_FS +/* + * debugfs support to trace clock tree hierarchy and attributes + */ +static struct dentry *clk_debugfs_root; +static int clk_debugfs_register_one(struct clk *c) +{ + int err; + struct dentry *d, *child; + struct clk *pa = c->pclk; + char s[255]; + char *p = s; + + if (c) { + if (c->cl->con_id) + p += sprintf(p, "%s", c->cl->con_id); + if (c->cl->dev_id) + p += sprintf(p, "%s", c->cl->dev_id); + } + d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root); + if (!d) + return -ENOMEM; + c->dent = d; + + d = debugfs_create_u32("usage_count", S_IRUGO, c->dent, + (u32 *)&c->usage_count); + if (!d) { + err = -ENOMEM; + goto err_out; + } + d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); + if (!d) { + err = -ENOMEM; + goto err_out; + } + d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); + if (!d) { + err = -ENOMEM; + goto err_out; + } + return 0; + +err_out: + d = c->dent; + list_for_each_entry(child, &d->d_subdirs, d_u.d_child) + debugfs_remove(child); + debugfs_remove(c->dent); + return err; +} + +static int clk_debugfs_register(struct clk *c) +{ + int err; + struct clk *pa = c->pclk; + + if (pa && !pa->dent) { + err = clk_debugfs_register(pa); + if (err) + return err; + } + + if (!c->dent) { + err = clk_debugfs_register_one(c); + if (err) + return err; + } + return 0; +} + +static int __init clk_debugfs_init(void) +{ + struct clk *c; + struct dentry *d; + int err; + + d = debugfs_create_dir("clock", NULL); + if (!d) + return -ENOMEM; + clk_debugfs_root = d; + + list_for_each_entry(c, &clocks, node) { + err = clk_debugfs_register(c); + if (err) + goto err_out; + } + return 0; +err_out: + debugfs_remove_recursive(clk_debugfs_root); + return err; +} +late_initcall(clk_debugfs_init); + +static int clk_debugfs_reparent(struct clk *c) +{ + debugfs_remove(c->dent); + return clk_debugfs_register_one(c); } +#endif /* CONFIG_DEBUG_FS */ diff --git a/arch/arm/plat-spear/include/plat/clock.h b/arch/arm/plat-spear/include/plat/clock.h index 2572260f990f..2ae6606930a6 100644 --- a/arch/arm/plat-spear/include/plat/clock.h +++ b/arch/arm/plat-spear/include/plat/clock.h @@ -21,6 +21,7 @@ /* clk structure flags */ #define ALWAYS_ENABLED (1 << 0) /* clock always enabled */ #define RESET_TO_ENABLE (1 << 1) /* reset register bit to enable clk */ +#define ENABLED_ON_INIT (1 << 2) /* clocks enabled at init */ /** * struct clkops - clock operations @@ -35,13 +36,11 @@ struct clkops { /** * struct pclk_info - parents info * @pclk: pointer to parent clk - * @pclk_mask: value to be written for selecting this parent - * @scalable: Is parent scalable (1 - YES, 0 - NO) + * @pclk_val: value to be written for selecting this parent */ struct pclk_info { struct clk *pclk; - u8 pclk_mask; - u8 scalable; + u8 pclk_val; }; /** @@ -54,11 +53,23 @@ struct pclk_info { struct pclk_sel { struct pclk_info *pclk_info; u8 pclk_count; - unsigned int *pclk_sel_reg; + void __iomem *pclk_sel_reg; unsigned int pclk_sel_mask; }; /** + * struct rate_config - clk rate configurations + * @tbls: array of device specific clk rate tables, in ascending order of rates + * @count: size of tbls array + * @default_index: default setting when originally disabled + */ +struct rate_config { + void *tbls; + u8 count; + u8 default_index; +}; + +/** * struct clk - clock structure * @usage_count: num of users who enabled this clock * @flags: flags for clock properties @@ -67,21 +78,32 @@ struct pclk_sel { * @en_reg_bit: clk enable/disable bit * @ops: clk enable/disable ops - generic_clkops selected if NULL * @recalc: pointer to clock rate recalculate function + * @set_rate: pointer to clock set rate function + * @calc_rate: pointer to clock get rate function for index + * @rate_config: rate configuration information, used by set_rate + * @div_factor: division factor to parent clock. * @pclk: current parent clk * @pclk_sel: pointer to parent selection structure * @pclk_sel_shift: register shift for selecting parent of this clock * @children: list for childrens or this clock * @sibling: node for list of clocks having same parents * @private_data: clock specific private data + * @node: list to maintain clocks linearly + * @cl: clocklook up assoicated with this clock + * @dent: object for debugfs */ struct clk { unsigned int usage_count; unsigned int flags; unsigned long rate; - unsigned int *en_reg; + void __iomem *en_reg; u8 en_reg_bit; const struct clkops *ops; - void (*recalc) (struct clk *); + int (*recalc) (struct clk *); + int (*set_rate) (struct clk *, unsigned long rate); + unsigned long (*calc_rate)(struct clk *, int index); + struct rate_config rate_config; + unsigned int div_factor; struct clk *pclk; struct pclk_sel *pclk_sel; @@ -90,37 +112,137 @@ struct clk { struct list_head children; struct list_head sibling; void *private_data; +#ifdef CONFIG_DEBUG_FS + struct list_head node; + struct clk_lookup *cl; + struct dentry *dent; +#endif }; /* pll configuration structure */ +struct pll_clk_masks { + u32 mode_mask; + u32 mode_shift; + + u32 norm_fdbk_m_mask; + u32 norm_fdbk_m_shift; + u32 dith_fdbk_m_mask; + u32 dith_fdbk_m_shift; + u32 div_p_mask; + u32 div_p_shift; + u32 div_n_mask; + u32 div_n_shift; +}; + struct pll_clk_config { - unsigned int *mode_reg; - unsigned int *cfg_reg; + void __iomem *mode_reg; + void __iomem *cfg_reg; + struct pll_clk_masks *masks; +}; + +/* pll clk rate config structure */ +struct pll_rate_tbl { + u8 mode; + u16 m; + u8 n; + u8 p; }; /* ahb and apb bus configuration structure */ +struct bus_clk_masks { + u32 mask; + u32 shift; +}; + struct bus_clk_config { - unsigned int *reg; - unsigned int mask; - unsigned int shift; + void __iomem *reg; + struct bus_clk_masks *masks; +}; + +/* ahb and apb clk bus rate config structure */ +struct bus_rate_tbl { + u8 div; +}; + +/* Aux clk configuration structure: applicable to UART and FIRDA */ +struct aux_clk_masks { + u32 eq_sel_mask; + u32 eq_sel_shift; + u32 eq1_mask; + u32 eq2_mask; + u32 xscale_sel_mask; + u32 xscale_sel_shift; + u32 yscale_sel_mask; + u32 yscale_sel_shift; }; -/* - * Aux clk configuration structure: applicable to GPT, UART and FIRDA - */ struct aux_clk_config { - unsigned int *synth_reg; + void __iomem *synth_reg; + struct aux_clk_masks *masks; +}; + +/* aux clk rate config structure */ +struct aux_rate_tbl { + u16 xscale; + u16 yscale; + u8 eq; +}; + +/* GPT clk configuration structure */ +struct gpt_clk_masks { + u32 mscale_sel_mask; + u32 mscale_sel_shift; + u32 nscale_sel_mask; + u32 nscale_sel_shift; +}; + +struct gpt_clk_config { + void __iomem *synth_reg; + struct gpt_clk_masks *masks; +}; + +/* gpt clk rate config structure */ +struct gpt_rate_tbl { + u16 mscale; + u16 nscale; +}; + +/* clcd clk configuration structure */ +struct clcd_synth_masks { + u32 div_factor_mask; + u32 div_factor_shift; +}; + +struct clcd_clk_config { + void __iomem *synth_reg; + struct clcd_synth_masks *masks; +}; + +/* clcd clk rate config structure */ +struct clcd_rate_tbl { + u16 div; }; /* platform specific clock functions */ void clk_register(struct clk_lookup *cl); void recalc_root_clocks(void); -/* clock recalc functions */ -void follow_parent(struct clk *clk); -void pll1_clk_recalc(struct clk *clk); -void bus_clk_recalc(struct clk *clk); -void gpt_clk_recalc(struct clk *clk); -void aux_clk_recalc(struct clk *clk); +/* clock recalc & set rate functions */ +int follow_parent(struct clk *clk); +unsigned long pll_calc_rate(struct clk *clk, int index); +int pll_clk_recalc(struct clk *clk); +int pll_clk_set_rate(struct clk *clk, unsigned long desired_rate); +unsigned long bus_calc_rate(struct clk *clk, int index); +int bus_clk_recalc(struct clk *clk); +int bus_clk_set_rate(struct clk *clk, unsigned long desired_rate); +unsigned long gpt_calc_rate(struct clk *clk, int index); +int gpt_clk_recalc(struct clk *clk); +int gpt_clk_set_rate(struct clk *clk, unsigned long desired_rate); +unsigned long aux_calc_rate(struct clk *clk, int index); +int aux_clk_recalc(struct clk *clk); +int aux_clk_set_rate(struct clk *clk, unsigned long desired_rate); +unsigned long clcd_calc_rate(struct clk *clk, int index); +int clcd_clk_recalc(struct clk *clk); +int clcd_clk_set_rate(struct clk *clk, unsigned long desired_rate); #endif /* __PLAT_CLOCK_H */ diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S index e91270e4f640..8501bbf2c092 100644 --- a/arch/arm/plat-spear/include/plat/debug-macro.S +++ b/arch/arm/plat-spear/include/plat/debug-macro.S @@ -12,7 +12,7 @@ */ #include <linux/amba/serial.h> -#include <mach/spear.h> +#include <mach/hardware.h> .macro addruart, rp, rv mov \rp, #SPEAR_DBG_UART_BASE @ Physical base diff --git a/arch/arm/plat-spear/include/plat/hardware.h b/arch/arm/plat-spear/include/plat/hardware.h new file mode 100644 index 000000000000..66d677225d15 --- /dev/null +++ b/arch/arm/plat-spear/include/plat/hardware.h @@ -0,0 +1,23 @@ +/* + * arch/arm/plat-spear/include/plat/hardware.h + * + * Hardware definitions for SPEAr + * + * Copyright (C) 2010 ST Microelectronics + * Viresh Kumar<viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __PLAT_HARDWARE_H +#define __PLAT_HARDWARE_H + +#ifndef __ASSEMBLY__ +#define IOMEM(x) ((void __iomem __force *)(x)) +#else +#define IOMEM(x) (x) +#endif + +#endif /* __PLAT_HARDWARE_H */ diff --git a/arch/arm/plat-spear/include/plat/memory.h b/arch/arm/plat-spear/include/plat/memory.h index 27a4aba77343..7e3599e1104e 100644 --- a/arch/arm/plat-spear/include/plat/memory.h +++ b/arch/arm/plat-spear/include/plat/memory.h @@ -15,6 +15,6 @@ #define __PLAT_MEMORY_H /* Physical DRAM offset */ -#define PHYS_OFFSET UL(0x00000000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #endif /* __PLAT_MEMORY_H */ diff --git a/arch/arm/plat-spear/include/plat/system.h b/arch/arm/plat-spear/include/plat/system.h index 55a4e405d578..a235fa0ca777 100644 --- a/arch/arm/plat-spear/include/plat/system.h +++ b/arch/arm/plat-spear/include/plat/system.h @@ -14,9 +14,9 @@ #ifndef __PLAT_SYSTEM_H #define __PLAT_SYSTEM_H -#include <asm/hardware/sp810.h> #include <linux/io.h> -#include <mach/spear.h> +#include <asm/hardware/sp810.h> +#include <mach/hardware.h> static inline void arch_idle(void) { diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h index 99ba6789cc97..1bf84527aee4 100644 --- a/arch/arm/plat-spear/include/plat/uncompress.h +++ b/arch/arm/plat-spear/include/plat/uncompress.h @@ -13,7 +13,7 @@ #include <linux/io.h> #include <linux/amba/serial.h> -#include <mach/spear.h> +#include <mach/hardware.h> #ifndef __PLAT_UNCOMPRESS_H #define __PLAT_UNCOMPRESS_H @@ -24,10 +24,10 @@ static inline void putc(int c) { void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE; - while (readl(base + UART01x_FR) & UART01x_FR_TXFF) + while (readl_relaxed(base + UART01x_FR) & UART01x_FR_TXFF) barrier(); - writel(c, base + UART01x_DR); + writel_relaxed(c, base + UART01x_DR); } static inline void flush(void) diff --git a/arch/arm/plat-spear/include/plat/vmalloc.h b/arch/arm/plat-spear/include/plat/vmalloc.h index 09e9372aea21..8c8b24d07046 100644 --- a/arch/arm/plat-spear/include/plat/vmalloc.h +++ b/arch/arm/plat-spear/include/plat/vmalloc.h @@ -14,6 +14,6 @@ #ifndef __PLAT_VMALLOC_H #define __PLAT_VMALLOC_H -#define VMALLOC_END 0xF0000000 +#define VMALLOC_END 0xF0000000UL #endif /* __PLAT_VMALLOC_H */ diff --git a/arch/arm/plat-spear/time.c b/arch/arm/plat-spear/time.c index 839c88df9994..dbb6e4fff79d 100644 --- a/arch/arm/plat-spear/time.c +++ b/arch/arm/plat-spear/time.c @@ -1,7 +1,7 @@ /* * arch/arm/plat-spear/time.c * - * Copyright (C) 2009 ST Microelectronics + * Copyright (C) 2010 ST Microelectronics * Shiraz Hashim<shiraz.hashim@st.com> * * This file is licensed under the terms of the GNU General Public @@ -20,10 +20,9 @@ #include <linux/time.h> #include <linux/irq.h> #include <asm/mach/time.h> -#include <mach/irqs.h> -#include <mach/hardware.h> -#include <mach/spear.h> #include <mach/generic.h> +#include <mach/hardware.h> +#include <mach/irqs.h> /* * We would use TIMER0 and TIMER1 as clockevent and clocksource. @@ -211,7 +210,7 @@ static void __init spear_clockevent_init(void) void __init spear_setup_timer(void) { - struct clk *pll3_clk; + int ret; if (!request_mem_region(SPEAR_GPT0_BASE, SZ_1K, "gpt0")) { pr_err("%s:cannot get IO addr\n", __func__); @@ -230,26 +229,21 @@ void __init spear_setup_timer(void) goto err_iomap; } - pll3_clk = clk_get(NULL, "pll3_48m_clk"); - if (!pll3_clk) { - pr_err("%s:couldn't get PLL3 as parent for gpt\n", __func__); - goto err_iomap; + ret = clk_enable(gpt_clk); + if (ret < 0) { + pr_err("%s:couldn't enable gpt clock\n", __func__); + goto err_clk; } - clk_set_parent(gpt_clk, pll3_clk); - spear_clockevent_init(); spear_clocksource_init(); return; +err_clk: + clk_put(gpt_clk); err_iomap: iounmap(gpt_base); - err_mem: release_mem_region(SPEAR_GPT0_BASE, SZ_1K); } - -struct sys_timer spear_sys_timer = { - .init = spear_setup_timer, -}; diff --git a/arch/arm/plat-stmp3xxx/include/mach/memory.h b/arch/arm/plat-stmp3xxx/include/mach/memory.h index 7b875a07a1a7..61fa54882e12 100644 --- a/arch/arm/plat-stmp3xxx/include/mach/memory.h +++ b/arch/arm/plat-stmp3xxx/include/mach/memory.h @@ -17,6 +17,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x40000000) +#define PLAT_PHYS_OFFSET UL(0x40000000) #endif diff --git a/arch/arm/plat-tcc/include/mach/memory.h b/arch/arm/plat-tcc/include/mach/memory.h index cd91ba8a670b..28a6e0cd13b3 100644 --- a/arch/arm/plat-tcc/include/mach/memory.h +++ b/arch/arm/plat-tcc/include/mach/memory.h @@ -13,6 +13,6 @@ /* * Physical DRAM offset. */ -#define PHYS_OFFSET UL(0x20000000) +#define PLAT_PHYS_OFFSET UL(0x20000000) #endif diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 2fea897ebeb1..9d6feaabbe7d 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,7 +12,7 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# Last update: Sun Dec 12 23:24:27 2010 +# Last update: Mon Feb 7 08:59:27 2011 # # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number # @@ -2240,7 +2240,7 @@ arm_ultimator2 MACH_ARM_ULTIMATOR2 ARM_ULTIMATOR2 2250 vs_v210 MACH_VS_V210 VS_V210 2252 vs_v212 MACH_VS_V212 VS_V212 2253 hmt MACH_HMT HMT 2254 -suen3 MACH_SUEN3 SUEN3 2255 +km_kirkwood MACH_KM_KIRKWOOD KM_KIRKWOOD 2255 vesper MACH_VESPER VESPER 2256 str9 MACH_STR9 STR9 2257 omap3_wl_ff MACH_OMAP3_WL_FF OMAP3_WL_FF 2258 @@ -2987,7 +2987,7 @@ pxwnas_500_1000 MACH_PXWNAS_500_1000 PXWNAS_500_1000 3001 ea20 MACH_EA20 EA20 3002 awm2 MACH_AWM2 AWM2 3003 ti8148evm MACH_TI8148EVM TI8148EVM 3004 -tegra_seaboard MACH_TEGRA_SEABOARD TEGRA_SEABOARD 3005 +seaboard MACH_SEABOARD SEABOARD 3005 linkstation_chlv2 MACH_LINKSTATION_CHLV2 LINKSTATION_CHLV2 3006 tera_pro2_rack MACH_TERA_PRO2_RACK TERA_PRO2_RACK 3007 rubys MACH_RUBYS RUBYS 3008 @@ -3190,7 +3190,7 @@ synergy MACH_SYNERGY SYNERGY 3205 ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206 wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207 punica MACH_PUNICA PUNICA 3208 -sbc_nt250 MACH_SBC_NT250 SBC_NT250 3209 +trimslice MACH_TRIMSLICE TRIMSLICE 3209 mx27_wmultra MACH_MX27_WMULTRA MX27_WMULTRA 3210 mackerel MACH_MACKEREL MACKEREL 3211 fa9x27 MACH_FA9X27 FA9X27 3213 @@ -3219,3 +3219,100 @@ pivicc MACH_PIVICC PIVICC 3235 pcm048 MACH_PCM048 PCM048 3236 dds MACH_DDS DDS 3237 chalten_xa1 MACH_CHALTEN_XA1 CHALTEN_XA1 3238 +ts48xx MACH_TS48XX TS48XX 3239 +tonga2_tfttimer MACH_TONGA2_TFTTIMER TONGA2_TFTTIMER 3240 +whistler MACH_WHISTLER WHISTLER 3241 +asl_phoenix MACH_ASL_PHOENIX ASL_PHOENIX 3242 +at91sam9263otlite MACH_AT91SAM9263OTLITE AT91SAM9263OTLITE 3243 +ddplug MACH_DDPLUG DDPLUG 3244 +d2plug MACH_D2PLUG D2PLUG 3245 +kzm9d MACH_KZM9D KZM9D 3246 +verdi_lte MACH_VERDI_LTE VERDI_LTE 3247 +nanozoom MACH_NANOZOOM NANOZOOM 3248 +dm3730_som_lv MACH_DM3730_SOM_LV DM3730_SOM_LV 3249 +dm3730_torpedo MACH_DM3730_TORPEDO DM3730_TORPEDO 3250 +anchovy MACH_ANCHOVY ANCHOVY 3251 +re2rev20 MACH_RE2REV20 RE2REV20 3253 +re2rev21 MACH_RE2REV21 RE2REV21 3254 +cns21xx MACH_CNS21XX CNS21XX 3255 +rider MACH_RIDER RIDER 3257 +nsk330 MACH_NSK330 NSK330 3258 +cns2133evb MACH_CNS2133EVB CNS2133EVB 3259 +z3_816x_mod MACH_Z3_816X_MOD Z3_816X_MOD 3260 +z3_814x_mod MACH_Z3_814X_MOD Z3_814X_MOD 3261 +beect MACH_BEECT BEECT 3262 +dma_thunderbug MACH_DMA_THUNDERBUG DMA_THUNDERBUG 3263 +omn_at91sam9g20 MACH_OMN_AT91SAM9G20 OMN_AT91SAM9G20 3264 +mx25_e2s_uc MACH_MX25_E2S_UC MX25_E2S_UC 3265 +mione MACH_MIONE MIONE 3266 +top9000_tcu MACH_TOP9000_TCU TOP9000_TCU 3267 +top9000_bsl MACH_TOP9000_BSL TOP9000_BSL 3268 +kingdom MACH_KINGDOM KINGDOM 3269 +armadillo460 MACH_ARMADILLO460 ARMADILLO460 3270 +lq2 MACH_LQ2 LQ2 3271 +sweda_tms2 MACH_SWEDA_TMS2 SWEDA_TMS2 3272 +mx53_loco MACH_MX53_LOCO MX53_LOCO 3273 +acer_a8 MACH_ACER_A8 ACER_A8 3275 +acer_gauguin MACH_ACER_GAUGUIN ACER_GAUGUIN 3276 +guppy MACH_GUPPY GUPPY 3277 +mx61_ard MACH_MX61_ARD MX61_ARD 3278 +tx53 MACH_TX53 TX53 3279 +omapl138_case_a3 MACH_OMAPL138_CASE_A3 OMAPL138_CASE_A3 3280 +uemd MACH_UEMD UEMD 3281 +ccwmx51mut MACH_CCWMX51MUT CCWMX51MUT 3282 +rockhopper MACH_ROCKHOPPER ROCKHOPPER 3283 +nookcolor MACH_NOOKCOLOR NOOKCOLOR 3284 +hkdkc100 MACH_HKDKC100 HKDKC100 3285 +ts42xx MACH_TS42XX TS42XX 3286 +aebl MACH_AEBL AEBL 3287 +wario MACH_WARIO WARIO 3288 +gfs_spm MACH_GFS_SPM GFS_SPM 3289 +cm_t3730 MACH_CM_T3730 CM_T3730 3290 +isc3 MACH_ISC3 ISC3 3291 +rascal MACH_RASCAL RASCAL 3292 +hrefv60 MACH_HREFV60 HREFV60 3293 +tpt_2_0 MACH_TPT_2_0 TPT_2_0 3294 +pyramid_td MACH_PYRAMID_TD PYRAMID_TD 3295 +splendor MACH_SPLENDOR SPLENDOR 3296 +guf_planet MACH_GUF_PLANET GUF_PLANET 3297 +msm8x60_qt MACH_MSM8X60_QT MSM8X60_QT 3298 +htc_hd_mini MACH_HTC_HD_MINI HTC_HD_MINI 3299 +athene MACH_ATHENE ATHENE 3300 +deep_r_ek_1 MACH_DEEP_R_EK_1 DEEP_R_EK_1 3301 +vivow_ct MACH_VIVOW_CT VIVOW_CT 3302 +nery_1000 MACH_NERY_1000 NERY_1000 3303 +rfl109145_ssrv MACH_RFL109145_SSRV RFL109145_SSRV 3304 +nmh MACH_NMH NMH 3305 +wn802t MACH_WN802T WN802T 3306 +dragonet MACH_DRAGONET DRAGONET 3307 +geneva_b MACH_GENEVA_B GENEVA_B 3308 +at91sam9263desk16l MACH_AT91SAM9263DESK16L AT91SAM9263DESK16L 3309 +bcmhana_sv MACH_BCMHANA_SV BCMHANA_SV 3310 +bcmhana_tablet MACH_BCMHANA_TABLET BCMHANA_TABLET 3311 +koi MACH_KOI KOI 3312 +ts4800 MACH_TS4800 TS4800 3313 +tqma9263 MACH_TQMA9263 TQMA9263 3314 +holiday MACH_HOLIDAY HOLIDAY 3315 +dma_6410 MACH_DMA6410 DMA6410 3316 +pcats_overlay MACH_PCATS_OVERLAY PCATS_OVERLAY 3317 +hwgw6410 MACH_HWGW6410 HWGW6410 3318 +shenzhou MACH_SHENZHOU SHENZHOU 3319 +cwme9210 MACH_CWME9210 CWME9210 3320 +cwme9210js MACH_CWME9210JS CWME9210JS 3321 +pgs_v1 MACH_PGS_SITARA PGS_SITARA 3322 +colibri_tegra2 MACH_COLIBRI_TEGRA2 COLIBRI_TEGRA2 3323 +w21 MACH_W21 W21 3324 +polysat1 MACH_POLYSAT1 POLYSAT1 3325 +dataway MACH_DATAWAY DATAWAY 3326 +cobral138 MACH_COBRAL138 COBRAL138 3327 +roverpcs8 MACH_ROVERPCS8 ROVERPCS8 3328 +marvelc MACH_MARVELC MARVELC 3329 +navefihid MACH_NAVEFIHID NAVEFIHID 3330 +dm365_cv100 MACH_DM365_CV100 DM365_CV100 3331 +able MACH_ABLE ABLE 3332 +legacy MACH_LEGACY LEGACY 3333 +icong MACH_ICONG ICONG 3334 +rover_g8 MACH_ROVER_G8 ROVER_G8 3335 +t5388p MACH_T5388P T5388P 3336 +dingo MACH_DINGO DINGO 3337 +goflexhome MACH_GOFLEXHOME GOFLEXHOME 3338 diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 0797cb528b46..bbf3da012afd 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -153,7 +153,7 @@ static struct notifier_block vfp_notifier_block = { * Raise a SIGFPE for the current process. * sicode describes the signal being raised. */ -void vfp_raise_sigfpe(unsigned int sicode, struct pt_regs *regs) +static void vfp_raise_sigfpe(unsigned int sicode, struct pt_regs *regs) { siginfo_t info; @@ -489,8 +489,11 @@ void vfp_flush_hwstate(struct thread_info *thread) /* * VFP hardware can lose all context when a CPU goes offline. - * Safely clear our held state when a CPU has been killed, and - * re-enable access to VFP when the CPU comes back online. + * As we will be running in SMP mode with CPU hotplug, we will save the + * hardware state at every thread switch. We clear our held state when + * a CPU has been killed, indicating that the VFP hardware doesn't contain + * a threads VFP state. When a CPU starts up, we re-enable access to the + * VFP hardware. * * Both CPU_DYING and CPU_STARTING are called on the CPU which * is being offlined/onlined. |