diff options
Diffstat (limited to 'arch/arm/mm')
28 files changed, 183 insertions, 72 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 76348f060f27..33ed048502a3 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -18,6 +18,7 @@ config CPU_ARM610 select CPU_CP15_MMU select CPU_COPY_V3 if MMU select CPU_TLB_V3 if MMU + select CPU_PABRT_NOIFAR help The ARM610 is the successor to the ARM3 processor and was produced by VLSI Technology Inc. @@ -31,6 +32,7 @@ config CPU_ARM7TDMI depends on !MMU select CPU_32v4T select CPU_ABRT_LV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4 help A 32-bit RISC microprocessor based on the ARM7 processor core @@ -49,6 +51,7 @@ config CPU_ARM710 select CPU_CP15_MMU select CPU_COPY_V3 if MMU select CPU_TLB_V3 if MMU + select CPU_PABRT_NOIFAR help A 32-bit RISC microprocessor based on the ARM7 processor core designed by Advanced RISC Machines Ltd. The ARM710 is the @@ -64,6 +67,7 @@ config CPU_ARM720T default y if ARCH_CLPS711X || ARCH_L7200 || ARCH_CDB89712 || ARCH_H720X select CPU_32v4T select CPU_ABRT_LV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4 select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -82,6 +86,7 @@ config CPU_ARM740T depends on !MMU select CPU_32v4T select CPU_ABRT_LV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V3 # although the core is v4t select CPU_CP15_MPU help @@ -98,6 +103,7 @@ config CPU_ARM9TDMI depends on !MMU select CPU_32v4T select CPU_ABRT_NOMMU + select CPU_PABRT_NOIFAR select CPU_CACHE_V4 help A 32-bit RISC microprocessor based on the ARM9 processor core @@ -113,6 +119,7 @@ config CPU_ARM920T default y if CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_AT91RM9200 select CPU_32v4T select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WT select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -135,6 +142,7 @@ config CPU_ARM922T default y if ARCH_LH7A40X || ARCH_KS8695 select CPU_32v4T select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WT select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -155,6 +163,7 @@ config CPU_ARM925T default y if ARCH_OMAP15XX select CPU_32v4T select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WT select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -175,6 +184,7 @@ config CPU_ARM926T default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI select CPU_32v5 select CPU_ABRT_EV5TJ + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_COPY_V4WB if MMU @@ -193,6 +203,7 @@ config CPU_ARM940T depends on !MMU select CPU_32v4T select CPU_ABRT_NOMMU + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MPU help @@ -210,6 +221,7 @@ config CPU_ARM946E depends on !MMU select CPU_32v5 select CPU_ABRT_NOMMU + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MPU help @@ -226,6 +238,7 @@ config CPU_ARM1020 depends on ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WT select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -244,6 +257,7 @@ config CPU_ARM1020E depends on ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WT select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -257,6 +271,7 @@ config CPU_ARM1022 depends on ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV4T + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_COPY_V4WB if MMU # can probably do better @@ -275,6 +290,7 @@ config CPU_ARM1026 depends on ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV5T # But need Jazelle, but EV5TJ ignores bit 10 + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_COPY_V4WB if MMU # can probably do better @@ -293,6 +309,7 @@ config CPU_SA110 select CPU_32v3 if ARCH_RPC select CPU_32v4 if !ARCH_RPC select CPU_ABRT_EV4 + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WB select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -314,6 +331,7 @@ config CPU_SA1100 default y select CPU_32v4 select CPU_ABRT_EV4 + select CPU_PABRT_NOIFAR select CPU_CACHE_V4WB select CPU_CACHE_VIVT select CPU_CP15_MMU @@ -326,6 +344,7 @@ config CPU_XSCALE default y select CPU_32v5 select CPU_ABRT_EV5T + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_TLB_V4WBI if MMU @@ -337,6 +356,7 @@ config CPU_XSC3 default y select CPU_32v5 select CPU_ABRT_EV5T + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_TLB_V4WBI if MMU @@ -345,13 +365,14 @@ config CPU_XSC3 # Feroceon config CPU_FEROCEON bool - depends on ARCH_ORION + depends on ARCH_ORION5X default y select CPU_32v5 select CPU_ABRT_EV5T + select CPU_PABRT_NOIFAR select CPU_CACHE_VIVT select CPU_CP15_MMU - select CPU_COPY_V4WB if MMU + select CPU_COPY_FEROCEON if MMU select CPU_TLB_V4WBI if MMU config CPU_FEROCEON_OLD_ID @@ -366,11 +387,12 @@ config CPU_FEROCEON_OLD_ID # ARMv6 config CPU_V6 bool "Support ARM V6 processor" - depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM7X00A + depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM7X00A || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 default y if ARCH_MX3 default y if ARCH_MSM7X00A select CPU_32v6 select CPU_ABRT_EV6 + select CPU_PABRT_NOIFAR select CPU_CACHE_V6 select CPU_CACHE_VIPT select CPU_CP15_MMU @@ -393,10 +415,11 @@ config CPU_32v6K # ARMv7 config CPU_V7 bool "Support ARM V7 processor" - depends on ARCH_INTEGRATOR + depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB select CPU_32v6K select CPU_32v7 select CPU_ABRT_EV7 + select CPU_PABRT_IFAR select CPU_CACHE_V7 select CPU_CACHE_VIPT select CPU_CP15_MMU @@ -458,6 +481,12 @@ config CPU_ABRT_EV6 config CPU_ABRT_EV7 bool +config CPU_PABRT_IFAR + bool + +config CPU_PABRT_NOIFAR + bool + # The cache model config CPU_CACHE_V3 bool @@ -494,6 +523,9 @@ config CPU_COPY_V4WT config CPU_COPY_V4WB bool +config CPU_COPY_FEROCEON + bool + config CPU_COPY_V6 bool @@ -572,6 +604,13 @@ config ARM_THUMB If you don't know what this all is, saying Y is a safe choice. +config ARM_THUMBEE + bool "Enable ThumbEE CPU extension" + depends on CPU_V7 + help + Say Y here if you have a CPU with the ThumbEE extension and code to + make use of it. Say N for code that can run on CPUs without ThumbEE. + config CPU_BIG_ENDIAN bool "Build big-endian kernel" depends on ARCH_SUPPORTS_BIG_ENDIAN @@ -622,7 +661,7 @@ config CPU_DCACHE_SIZE config CPU_DCACHE_WRITETHROUGH bool "Force write through D-cache" - depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_FEROCEON) && !CPU_DCACHE_DISABLE + depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020) && !CPU_DCACHE_DISABLE default y if CPU_ARM925T help Say Y here to use the data cache in writethrough mode. Unless you @@ -671,5 +710,9 @@ config OUTER_CACHE default n config CACHE_L2X0 - bool + bool "Enable the L2x0 outer cache controller" + depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 + default y select OUTER_CACHE + help + This option enables the L2x0 PrimeCell. diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 44536a0b995a..32b2d2d213a6 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o obj-$(CONFIG_CPU_COPY_V3) += copypage-v3.o obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o +obj-$(CONFIG_CPU_COPY_FEROCEON) += copypage-feroceon.o obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o context.o obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o diff --git a/arch/arm/mm/copypage-feroceon.S b/arch/arm/mm/copypage-feroceon.S new file mode 100644 index 000000000000..7eb0d320d240 --- /dev/null +++ b/arch/arm/mm/copypage-feroceon.S @@ -0,0 +1,95 @@ +/* + * linux/arch/arm/lib/copypage-feroceon.S + * + * Copyright (C) 2008 Marvell Semiconductors + * + * 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 handles copy_user_page and clear_user_page on Feroceon + * more optimally than the generic implementations. + */ +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/asm-offsets.h> + + .text + .align 5 + +ENTRY(feroceon_copy_user_page) + stmfd sp!, {r4-r9, lr} + mov ip, #PAGE_SZ +1: mov lr, r1 + ldmia r1!, {r2 - r9} + pld [lr, #32] + pld [lr, #64] + pld [lr, #96] + pld [lr, #128] + pld [lr, #160] + pld [lr, #192] + pld [lr, #224] + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + ldmia r1!, {r2 - r9} + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + stmia r0, {r2 - r9} + subs ip, ip, #(32 * 8) + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + bne 1b + mcr p15, 0, ip, c7, c10, 4 @ drain WB + ldmfd sp!, {r4-r9, pc} + + .align 5 + +ENTRY(feroceon_clear_user_page) + stmfd sp!, {r4-r7, lr} + mov r1, #PAGE_SZ/32 + mov r2, #0 + mov r3, #0 + mov r4, #0 + mov r5, #0 + mov r6, #0 + mov r7, #0 + mov ip, #0 + mov lr, #0 +1: stmia r0, {r2-r7, ip, lr} + subs r1, r1, #1 + mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line + add r0, r0, #32 + bne 1b + mcr p15, 0, r1, c7, c10, 4 @ drain WB + ldmfd sp!, {r4-r7, pc} + + __INITDATA + + .type feroceon_user_fns, #object +ENTRY(feroceon_user_fns) + .long feroceon_clear_user_page + .long feroceon_copy_user_page + .size feroceon_user_fns, . - feroceon_user_fns diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ec00f26bffa4..b657f1719af0 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -48,8 +48,6 @@ void show_mem(void) printk("Mem-info:\n"); show_free_areas(); - printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); - for_each_online_node(node) { pg_data_t *n = NODE_DATA(node); struct page *map = n->node_mem_map - n->node_start_pfn; diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c index 62066f3020c8..7429f8c01015 100644 --- a/arch/arm/mm/iomap.c +++ b/arch/arm/mm/iomap.c @@ -26,8 +26,8 @@ EXPORT_SYMBOL(ioport_unmap); #ifdef CONFIG_PCI void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index d41a75ed3dce..2d6d682c206a 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -35,6 +35,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; * zero-initialized data and COW. */ struct page *empty_zero_page; +EXPORT_SYMBOL(empty_zero_page); /* * The pmd table for the upper-most set of pages. diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 700c04d6996e..5673f4d6113b 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -471,6 +471,7 @@ arm1020_crval: .type arm1020_processor_functions, #object arm1020_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm1020_proc_init .word cpu_arm1020_proc_fin .word cpu_arm1020_reset diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 1cc206ab5eae..4343fdb0e9e5 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -452,6 +452,7 @@ arm1020e_crval: .type arm1020e_processor_functions, #object arm1020e_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm1020e_proc_init .word cpu_arm1020e_proc_fin .word cpu_arm1020e_reset diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index aff0ea08e2f8..2a4ea1659e96 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -435,6 +435,7 @@ arm1022_crval: .type arm1022_processor_functions, #object arm1022_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm1022_proc_init .word cpu_arm1022_proc_fin .word cpu_arm1022_reset diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index 65e43a109085..77a1babd421c 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -430,6 +430,7 @@ arm1026_crval: .type arm1026_processor_functions, #object arm1026_processor_functions: .word v5t_early_abort + .word pabort_noifar .word cpu_arm1026_proc_init .word cpu_arm1026_proc_fin .word cpu_arm1026_reset diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index 123a7dc7a433..c371fc87776e 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -293,6 +293,7 @@ __arm7_setup: mov r0, #0 .type arm6_processor_functions, #object ENTRY(arm6_processor_functions) .word cpu_arm6_data_abort + .word pabort_noifar .word cpu_arm6_proc_init .word cpu_arm6_proc_fin .word cpu_arm6_reset @@ -309,6 +310,7 @@ ENTRY(arm6_processor_functions) .type arm7_processor_functions, #object ENTRY(arm7_processor_functions) .word cpu_arm7_data_abort + .word pabort_noifar .word cpu_arm7_proc_init .word cpu_arm7_proc_fin .word cpu_arm7_reset diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S index dc763be43362..d64f8e6f75ab 100644 --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -198,6 +198,7 @@ arm720_crval: .type arm720_processor_functions, #object ENTRY(arm720_processor_functions) .word v4t_late_abort + .word pabort_noifar .word cpu_arm720_proc_init .word cpu_arm720_proc_fin .word cpu_arm720_reset diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S index 7069f495cf9b..3a57376c8bc9 100644 --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S @@ -126,6 +126,7 @@ __arm740_setup: .type arm740_processor_functions, #object ENTRY(arm740_processor_functions) .word v4t_late_abort + .word pabort_noifar .word cpu_arm740_proc_init .word cpu_arm740_proc_fin .word cpu_arm740_reset diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S index d091c2571823..7b3ecdeb5370 100644 --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -64,6 +64,7 @@ __arm7tdmi_setup: .type arm7tdmi_processor_functions, #object ENTRY(arm7tdmi_processor_functions) .word v4t_late_abort + .word pabort_noifar .word cpu_arm7tdmi_proc_init .word cpu_arm7tdmi_proc_fin .word cpu_arm7tdmi_reset diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 75c945ed6c4d..28cdb060df45 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -417,6 +417,7 @@ arm920_crval: .type arm920_processor_functions, #object arm920_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm920_proc_init .word cpu_arm920_proc_fin .word cpu_arm920_reset diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index ffb751b877ff..94ddcb4a4b76 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -421,6 +421,7 @@ arm922_crval: .type arm922_processor_functions, #object arm922_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm922_proc_init .word cpu_arm922_proc_fin .word cpu_arm922_reset diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index 44c2c997819f..065087afb772 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -484,6 +484,7 @@ arm925_crval: .type arm925_processor_functions, #object arm925_processor_functions: .word v4t_early_abort + .word pabort_noifar .word cpu_arm925_proc_init .word cpu_arm925_proc_fin .word cpu_arm925_reset diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 194ef48968e6..997db8472b5c 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -437,6 +437,7 @@ arm926_crval: .type arm926_processor_functions, #object arm926_processor_functions: .word v5tj_early_abort + .word pabort_noifar .word cpu_arm926_proc_init .word cpu_arm926_proc_fin .word cpu_arm926_reset diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index 786c593778f0..44ead902bd54 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -321,6 +321,7 @@ __arm940_setup: .type arm940_processor_functions, #object ENTRY(arm940_processor_functions) .word nommu_early_abort + .word pabort_noifar .word cpu_arm940_proc_init .word cpu_arm940_proc_fin .word cpu_arm940_reset diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index a60c1421d450..2218b0c01330 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -376,6 +376,7 @@ __arm946_setup: .type arm946_processor_functions, #object ENTRY(arm946_processor_functions) .word nommu_early_abort + .word pabort_noifar .word cpu_arm946_proc_init .word cpu_arm946_proc_fin .word cpu_arm946_reset diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S index 4848eeac86b6..c85c1f50e396 100644 --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -64,6 +64,7 @@ __arm9tdmi_setup: .type arm9tdmi_processor_functions, #object ENTRY(arm9tdmi_processor_functions) .word nommu_early_abort + .word pabort_noifar .word cpu_arm9tdmi_proc_init .word cpu_arm9tdmi_proc_fin .word cpu_arm9tdmi_reset diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index fa0dc7e6f0ea..a02c1712b52d 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -93,7 +93,7 @@ ENTRY(cpu_feroceon_reset) * * Called with IRQs disabled */ - .align 10 + .align 5 ENTRY(cpu_feroceon_do_idle) mov r0, #0 mcr p15, 0, r0, c7, c10, 4 @ Drain write buffer @@ -106,6 +106,7 @@ ENTRY(cpu_feroceon_do_idle) * Clean and invalidate all cache entries in a particular * address space. */ + .align 5 ENTRY(feroceon_flush_user_cache_all) /* FALLTHROUGH */ @@ -118,12 +119,8 @@ ENTRY(feroceon_flush_kern_cache_all) mov r2, #VM_EXEC mov ip, #0 __flush_whole_cache: -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - mcr p15, 0, ip, c7, c6, 0 @ invalidate D cache -#else 1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate bne 1b -#endif tst r2, #VM_EXEC mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache mcrne p15, 0, ip, c7, c10, 4 @ drain WB @@ -139,27 +136,19 @@ __flush_whole_cache: * - end - end address (exclusive) * - flags - vm_flags describing address space */ + .align 5 ENTRY(feroceon_flush_user_cache_range) mov ip, #0 sub r3, r1, r0 @ calculate total size cmp r3, #CACHE_DLIMIT bgt __flush_whole_cache 1: tst r2, #VM_EXEC -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry - mcrne p15, 0, r0, c7, c5, 1 @ invalidate I entry - add r0, r0, #CACHE_DLINESIZE - mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry - mcrne p15, 0, r0, c7, c5, 1 @ invalidate I entry - add r0, r0, #CACHE_DLINESIZE -#else mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcrne p15, 0, r0, c7, c5, 1 @ invalidate I entry add r0, r0, #CACHE_DLINESIZE mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D entry mcrne p15, 0, r0, c7, c5, 1 @ invalidate I entry add r0, r0, #CACHE_DLINESIZE -#endif cmp r0, r1 blo 1b tst r2, #VM_EXEC @@ -176,6 +165,7 @@ ENTRY(feroceon_flush_user_cache_range) * - start - virtual start address * - end - virtual end address */ + .align 5 ENTRY(feroceon_coherent_kern_range) /* FALLTHROUGH */ @@ -207,6 +197,7 @@ ENTRY(feroceon_coherent_user_range) * * - addr - page aligned address */ + .align 5 ENTRY(feroceon_flush_kern_dcache_page) add r1, r0, #PAGE_SZ 1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry @@ -231,13 +222,12 @@ ENTRY(feroceon_flush_kern_dcache_page) * * (same as v4wb) */ + .align 5 ENTRY(feroceon_dma_inv_range) -#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry tst r1, #CACHE_DLINESIZE - 1 mcrne p15, 0, r1, c7, c10, 1 @ clean D entry -#endif bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHE_DLINESIZE @@ -256,14 +246,13 @@ ENTRY(feroceon_dma_inv_range) * * (same as v4wb) */ + .align 5 ENTRY(feroceon_dma_clean_range) -#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 blo 1b -#endif mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr @@ -275,14 +264,10 @@ ENTRY(feroceon_dma_clean_range) * - start - virtual start address * - end - virtual end address */ + .align 5 ENTRY(feroceon_dma_flush_range) bic r0, r0, #CACHE_DLINESIZE - 1 -1: -#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH - mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry -#else - mcr p15, 0, r0, c7, c10, 1 @ clean D entry -#endif +1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 blo 1b @@ -300,13 +285,12 @@ ENTRY(feroceon_cache_fns) .long feroceon_dma_clean_range .long feroceon_dma_flush_range + .align 5 ENTRY(cpu_feroceon_dcache_clean_area) -#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE subs r1, r1, #CACHE_DLINESIZE bhi 1b -#endif mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr @@ -323,13 +307,9 @@ ENTRY(cpu_feroceon_dcache_clean_area) ENTRY(cpu_feroceon_switch_mm) #ifdef CONFIG_MMU mov ip, #0 -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - mcr p15, 0, ip, c7, c6, 0 @ invalidate D cache -#else @ && 'Clean & Invalidate whole DCache' 1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate bne 1b -#endif mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache mcr p15, 0, ip, c7, c10, 4 @ drain WB mcr p15, 0, r0, c2, c0, 0 @ load page table pointer @@ -362,16 +342,9 @@ ENTRY(cpu_feroceon_set_pte_ext) tst r1, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young? movne r2, #0 -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - eor r3, r2, #0x0a @ C & small page? - tst r3, #0x0b - biceq r2, r2, #4 -#endif str r2, [r0] @ hardware version mov r0, r0 -#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH mcr p15, 0, r0, c7, c10, 1 @ clean D entry -#endif mcr p15, 0, r0, c7, c10, 4 @ drain WB #endif mov pc, lr @@ -387,20 +360,11 @@ __feroceon_setup: mcr p15, 0, r0, c8, c7 @ invalidate I,D TLBs on v4 #endif - -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - mov r0, #4 @ disable write-back on caches explicitly - mcr p15, 7, r0, c15, c0, 0 -#endif - adr r5, feroceon_crval ldmia r5, {r5, r6} mrc p15, 0, r0, c1, c0 @ get control register v4 bic r0, r0, r5 orr r0, r0, r6 -#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN - orr r0, r0, #0x4000 @ .1.. .... .... .... -#endif mov pc, lr .size __feroceon_setup, . - __feroceon_setup @@ -423,6 +387,7 @@ feroceon_crval: .type feroceon_processor_functions, #object feroceon_processor_functions: .word v5t_early_abort + .word pabort_noifar .word cpu_feroceon_proc_init .word cpu_feroceon_proc_fin .word cpu_feroceon_reset @@ -475,7 +440,7 @@ __feroceon_old_id_proc_info: .long cpu_feroceon_name .long feroceon_processor_functions .long v4wbi_tlb_fns - .long v4wb_user_fns + .long feroceon_user_fns .long feroceon_cache_fns .size __feroceon_old_id_proc_info, . - __feroceon_old_id_proc_info #endif @@ -501,6 +466,6 @@ __feroceon_proc_info: .long cpu_feroceon_name .long feroceon_processor_functions .long v4wbi_tlb_fns - .long v4wb_user_fns + .long feroceon_user_fns .long feroceon_cache_fns .size __feroceon_proc_info, . - __feroceon_proc_info diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index 6e226e12989f..9818195dbf11 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -216,6 +216,7 @@ sa110_crval: .type sa110_processor_functions, #object ENTRY(sa110_processor_functions) .word v4_early_abort + .word pabort_noifar .word cpu_sa110_proc_init .word cpu_sa110_proc_fin .word cpu_sa110_reset diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index 9afb11d089fe..c5fe27ad2892 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -231,6 +231,7 @@ sa1100_crval: .type sa1100_processor_functions, #object ENTRY(sa1100_processor_functions) .word v4_early_abort + .word pabort_noifar .word cpu_sa1100_proc_init .word cpu_sa1100_proc_fin .word cpu_sa1100_reset diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index eb42e5b94863..5702ec58b2a2 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -17,10 +17,6 @@ #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#ifdef CONFIG_SMP -#include <asm/hardware/arm_scu.h> -#endif - #include "proc-macros.S" #define D_CACHE_LINE_SIZE 32 @@ -187,20 +183,10 @@ cpu_v6_name: */ __v6_setup: #ifdef CONFIG_SMP - /* Set up the SCU on core 0 only */ - mrc p15, 0, r0, c0, c0, 5 @ CPU core number - ands r0, r0, #15 - ldreq r0, =SCU_BASE - ldreq r5, [r0, #SCU_CTRL] - orreq r5, r5, #1 - streq r5, [r0, #SCU_CTRL] - -#ifndef CONFIG_CPU_DCACHE_DISABLE mrc p15, 0, r0, c1, c0, 1 @ Enable SMP/nAMP mode orr r0, r0, #0x20 mcr p15, 0, r0, c1, c0, 1 #endif -#endif mov r0, #0 mcr p15, 0, r0, c7, c14, 0 @ clean+invalidate D cache @@ -233,6 +219,7 @@ v6_crval: .type v6_processor_functions, #object ENTRY(v6_processor_functions) .word v6_early_abort + .word pabort_noifar .word cpu_v6_proc_init .word cpu_v6_proc_fin .word cpu_v6_reset diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index e0acc5ae6f6f..b49f9a4c82c8 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -205,6 +205,7 @@ __v7_setup_stack: .type v7_processor_functions, #object ENTRY(v7_processor_functions) .word v7_early_abort + .word pabort_ifar .word cpu_v7_proc_init .word cpu_v7_proc_fin .word cpu_v7_reset diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index d95921a2ab99..3533741a76f6 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -450,6 +450,7 @@ xsc3_crval: .type xsc3_processor_functions, #object ENTRY(xsc3_processor_functions) .word v5t_early_abort + .word pabort_noifar .word cpu_xsc3_proc_init .word cpu_xsc3_proc_fin .word cpu_xsc3_reset diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 016690b9d564..2dd85273976f 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -527,6 +527,7 @@ xscale_crval: .type xscale_processor_functions, #object ENTRY(xscale_processor_functions) .word v5t_early_abort + .word pabort_noifar .word cpu_xscale_proc_init .word cpu_xscale_proc_fin .word cpu_xscale_reset |