diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 116 |
1 files changed, 63 insertions, 53 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 377a7a595b08..9adc278a22ab 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -197,15 +197,21 @@ config ARM_PATCH_PHYS_VIRT 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. + Patch phys-to-virt and virt-to-phys translation functions at + boot and module load time 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. + This can only be used with non-XIP MMU kernels where the base + of physical memory is at a 16MB boundary, or theoretically 64K + for the MSM machine class. config ARM_PATCH_PHYS_VIRT_16BIT def_bool y depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM + help + This option extends the physical to virtual translation patching + to allow physical memory down to a theoretical minimum of 64K + boundaries. source "init/Kconfig" @@ -288,6 +294,8 @@ config ARCH_AT91 bool "Atmel AT91" select ARCH_REQUIRE_GPIOLIB select HAVE_CLK + select CLKDEV_LOOKUP + select ARM_PATCH_PHYS_VIRT if MMU help This enables support for systems based on the Atmel AT91RM9200, AT91SAM9 and AT91CAP9 processors. @@ -297,6 +305,7 @@ config ARCH_BCMRING depends on MMU select CPU_V6 select ARM_AMBA + select ARM_TIMER_SP804 select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB @@ -366,6 +375,7 @@ config ARCH_MXC select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO select HAVE_SCHED_CLOCK help Support for Freescale MXC/iMX-based family of processors @@ -375,21 +385,13 @@ config ARCH_MXS select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO help Support for Freescale MXS-based family of processors -config ARCH_STMP3XXX - bool "Freescale STMP3xxx" - select CPU_ARM926T - select CLKDEV_LOOKUP - select ARCH_REQUIRE_GPIOLIB - select GENERIC_CLOCKEVENTS - select USB_ARCH_HAS_EHCI - help - Support for systems based on the Freescale 3xxx CPUs. - config ARCH_NETX bool "Hilscher NetX based" + select CLKSRC_MMIO select CPU_ARM926T select ARM_VIC select GENERIC_CLOCKEVENTS @@ -457,6 +459,7 @@ config ARCH_IXP2000 config ARCH_IXP4XX bool "IXP4xx-based" depends on MMU + select CLKSRC_MMIO select CPU_XSCALE select GENERIC_GPIO select GENERIC_CLOCKEVENTS @@ -468,7 +471,7 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" - select CPU_V6K + select CPU_V7 select PCI select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS @@ -497,6 +500,7 @@ config ARCH_LOKI config ARCH_LPC32XX bool "NXP LPC32XX" + select CLKSRC_MMIO select CPU_ARM926T select ARCH_REQUIRE_GPIOLIB select HAVE_IDE @@ -554,23 +558,12 @@ config ARCH_KS8695 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based System-on-Chip devices. -config ARCH_NS9XXX - bool "NetSilicon NS9xxx" - select CPU_ARM926T - select GENERIC_GPIO - select GENERIC_CLOCKEVENTS - select HAVE_CLK - help - Say Y here if you intend to run this kernel on a NetSilicon NS9xxx - System. - - <http://www.digi.com/products/microprocessors/index.jsp> - config ARCH_W90X900 bool "Nuvoton W90X900 CPU" select CPU_ARM926T select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO select GENERIC_CLOCKEVENTS help Support for Nuvoton (Winbond logic dept.) ARM9 processor, @@ -592,6 +585,7 @@ config ARCH_NUC93X config ARCH_TEGRA bool "NVIDIA Tegra" select CLKDEV_LOOKUP + select CLKSRC_MMIO select GENERIC_TIME select GENERIC_CLOCKEVENTS select GENERIC_GPIO @@ -617,6 +611,7 @@ config ARCH_PXA select ARCH_MTD_XIP select ARCH_HAS_CPUFREQ select CLKDEV_LOOKUP + select CLKSRC_MMIO select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS select HAVE_SCHED_CLOCK @@ -667,6 +662,7 @@ config ARCH_RPC config ARCH_SA1100 bool "SA1100-based" + select CLKSRC_MMIO select CPU_SA1100 select ISA select ARCH_SPARSEMEM_ENABLE @@ -736,16 +732,6 @@ config ARCH_S5P64X0 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, SMDK6450. -config ARCH_S5P6442 - bool "Samsung S5P6442" - select CPU_V6 - select GENERIC_GPIO - select HAVE_CLK - select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_WATCHDOG if WATCHDOG - help - Samsung S5P6442 CPU based systems - config ARCH_S5PC100 bool "Samsung S5PC100" select GENERIC_GPIO @@ -803,6 +789,7 @@ config ARCH_SHARK config ARCH_TCC_926 bool "Telechips TCC ARM926-based systems" + select CLKSRC_MMIO select CPU_ARM926T select HAVE_CLK select CLKDEV_LOOKUP @@ -813,6 +800,7 @@ config ARCH_TCC_926 config ARCH_U300 bool "ST-Ericsson U300 Series" depends on MMU + select CLKSRC_MMIO select CPU_ARM926T select HAVE_SCHED_CLOCK select HAVE_TCM @@ -854,6 +842,7 @@ config ARCH_DAVINCI select HAVE_IDE select CLKDEV_LOOKUP select GENERIC_ALLOCATOR + select GENERIC_IRQ_CHIP select ARCH_HAS_HOLES_MEMORYMODEL help Support for TI's DaVinci platform. @@ -874,6 +863,7 @@ config PLAT_SPEAR select ARM_AMBA select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO select GENERIC_CLOCKEVENTS select HAVE_CLK help @@ -951,8 +941,6 @@ source "arch/arm/mach-netx/Kconfig" source "arch/arm/mach-nomadik/Kconfig" source "arch/arm/plat-nomadik/Kconfig" -source "arch/arm/mach-ns9xxx/Kconfig" - source "arch/arm/mach-nuc93x/Kconfig" source "arch/arm/plat-omap/Kconfig" @@ -995,8 +983,6 @@ endif source "arch/arm/mach-s5p64x0/Kconfig" -source "arch/arm/mach-s5p6442/Kconfig" - source "arch/arm/mach-s5pc100/Kconfig" source "arch/arm/mach-s5pv210/Kconfig" @@ -1005,8 +991,6 @@ source "arch/arm/mach-exynos4/Kconfig" source "arch/arm/mach-shmobile/Kconfig" -source "arch/arm/plat-stmp3xxx/Kconfig" - source "arch/arm/mach-tegra/Kconfig" source "arch/arm/mach-u300/Kconfig" @@ -1033,6 +1017,8 @@ config PLAT_IOP config PLAT_ORION bool + select CLKSRC_MMIO + select GENERIC_IRQ_CHIP select HAVE_SCHED_CLOCK config PLAT_PXA @@ -1043,6 +1029,7 @@ config PLAT_VERSATILE config ARM_TIMER_SP804 bool + select CLKSRC_MMIO source arch/arm/mm/Kconfig @@ -1318,8 +1305,7 @@ menu "Kernel Features" source "kernel/time/Kconfig" config SMP - bool "Symmetric Multi-Processing (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Symmetric Multi-Processing" depends on CPU_V6K || CPU_V7 depends on GENERIC_CLOCKEVENTS depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ @@ -1403,7 +1389,6 @@ config NR_CPUS config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL - depends on !ARCH_MSM help Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. @@ -1424,7 +1409,7 @@ source kernel/Kconfig.preempt config HZ int default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P64X0 || \ - ARCH_S5P6442 || ARCH_S5PV210 || ARCH_EXYNOS4 + ARCH_S5PV210 || ARCH_EXYNOS4 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER default AT91_TIMER_HZ if ARCH_AT91 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE @@ -1520,9 +1505,12 @@ config ARCH_SPARSEMEM_DEFAULT config ARCH_SELECT_MEMORY_MODEL def_bool ARCH_SPARSEMEM_ENABLE +config HAVE_ARCH_PFN_VALID + def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM + config HIGHMEM - bool "High Memory Support (EXPERIMENTAL)" - depends on MMU && EXPERIMENTAL + bool "High Memory Support" + depends on MMU help The address space of ARM processors is only 4 Gigabytes large and it has to accommodate user address space, kernel address @@ -1687,6 +1675,13 @@ endmenu menu "Boot options" +config USE_OF + bool "Flattened Device Tree support" + select OF + select OF_EARLY_FLATTREE + help + Include support for flattened device tree machine descriptions. + # Compressed boot loader in ROM. Yes, we really want to ask about # TEXT and BSS so we preserve their values in the config files. config ZBOOT_ROM_TEXT @@ -1742,16 +1737,31 @@ config CMDLINE time by entering them here. As a minimum, you should specify the memory size and the root device (e.g., mem=64M root=/dev/nfs). +choice + prompt "Kernel command line type" if CMDLINE != "" + default CMDLINE_FROM_BOOTLOADER + +config CMDLINE_FROM_BOOTLOADER + bool "Use bootloader kernel arguments if available" + help + Uses the command-line options passed by the boot loader. If + the boot loader doesn't provide any, the default kernel command + string provided in CMDLINE will be used. + +config CMDLINE_EXTEND + bool "Extend bootloader kernel arguments" + help + The command-line arguments provided by the boot loader will be + appended to the default kernel command string. + config CMDLINE_FORCE bool "Always use the default kernel command string" - depends on CMDLINE != "" help Always use the default kernel command string, even if the boot loader passes other arguments to the kernel. This is useful if you cannot or don't want to change the command-line options your boot loader passes to the kernel. - - If unsure, say N. +endchoice config XIP_KERNEL bool "Kernel Execute-In-Place from ROM" @@ -2010,7 +2020,7 @@ menu "Power management options" source "kernel/power/Kconfig" config ARCH_SUSPEND_POSSIBLE - depends on !ARCH_S5P64X0 && !ARCH_S5P6442 + depends on !ARCH_S5P64X0 && !ARCH_S5PC100 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \ CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE def_bool y |