diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 111 |
1 files changed, 61 insertions, 50 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2277f9530b0..a955d89ed83 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -4,6 +4,7 @@ config ARM select ARCH_BINFMT_ELF_RANDOMIZE_PIE select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT if MMU select CPU_PM if (SUSPEND || CPU_IDLE) @@ -12,8 +13,6 @@ config ARM select GENERIC_CLOCKEVENTS_BROADCAST if SMP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW - select GENERIC_KERNEL_THREAD - select GENERIC_KERNEL_EXECVE select GENERIC_PCI_IOMAP select GENERIC_SMP_IDLE_THREAD select GENERIC_STRNCPY_FROM_USER @@ -38,7 +37,6 @@ config ARM select HAVE_GENERIC_HARDIRQS select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) select HAVE_IDE if PCI || ISA || PCMCIA - select HAVE_IRQ_WORK select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO @@ -58,6 +56,8 @@ config ARM select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND select MODULES_USE_ELF_REL select CLONE_BACKWARDS + select OLD_SIGSUSPEND3 + select OLD_SIGACTION help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -263,7 +263,8 @@ config MMU # choice prompt "ARM system type" - default ARCH_MULTIPLATFORM + default ARCH_VERSATILE if !MMU + default ARCH_MULTIPLATFORM if MMU config ARCH_MULTIPLATFORM bool "Allow multiple platforms to be selected" @@ -346,10 +347,10 @@ config ARCH_BCM2835 select ARM_ERRATA_411920 select ARM_TIMER_SP804 select CLKDEV_LOOKUP + select CLKSRC_OF select COMMON_CLK select CPU_V6 select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select MULTI_IRQ_HANDLER select PINCTRL select PINCTRL_BCM2835 @@ -373,7 +374,6 @@ config ARCH_CNS3XXX config ARCH_CLPS711X bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" select ARCH_REQUIRE_GPIOLIB - select ARCH_USES_GETTIMEOFFSET select AUTO_ZRELADDR select CLKDEV_LOOKUP select COMMON_CLK @@ -396,6 +396,7 @@ config ARCH_GEMINI config ARCH_SIRF bool "CSR SiRF" select ARCH_REQUIRE_GPIOLIB + select AUTO_ZRELADDR select COMMON_CLK select GENERIC_CLOCKEVENTS select GENERIC_IRQ_CHIP @@ -533,6 +534,7 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" select ARCH_REQUIRE_GPIOLIB + select COMMON_CLK_DOVE select CPU_V7 select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI @@ -642,11 +644,12 @@ config ARCH_LPC32XX config ARCH_TEGRA bool "NVIDIA Tegra" select ARCH_HAS_CPUFREQ + select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP select CLKSRC_MMIO + select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_CLK select HAVE_SMP select MIGHT_HAVE_CACHE_L2X0 @@ -700,6 +703,7 @@ config ARCH_SHMOBILE select MULTI_IRQ_HANDLER select NEED_MACH_MEMORY_H select NO_IOPORT + select PINCTRL select PM_GENERIC_DOMAINS if PM select SPARSE_IRQ help @@ -746,7 +750,6 @@ config ARCH_S3C24XX select ARCH_HAS_CPUFREQ select ARCH_USES_GETTIMEOFFSET select CLKDEV_LOOKUP - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -789,7 +792,6 @@ config ARCH_S5P64X0 select CLKSRC_MMIO select CPU_V6 select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -804,7 +806,6 @@ config ARCH_S5PC100 select ARCH_USES_GETTIMEOFFSET select CLKDEV_LOOKUP select CPU_V7 - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -822,7 +823,6 @@ config ARCH_S5PV210 select CLKSRC_MMIO select CPU_V7 select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -840,7 +840,6 @@ config ARCH_EXYNOS select CLKDEV_LOOKUP select CPU_V7 select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -875,7 +874,6 @@ config ARCH_U300 select COMMON_CLK select CPU_ARM926T select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_TCM select SPARSE_IRQ help @@ -901,10 +899,12 @@ config ARCH_NOMADIK select ARCH_REQUIRE_GPIOLIB select ARM_AMBA select ARM_VIC + select CLKSRC_NOMADIK_MTU select COMMON_CLK select CPU_ARM926T select GENERIC_CLOCKEVENTS select MIGHT_HAVE_CACHE_L2X0 + select USE_OF select PINCTRL select PINCTRL_STN8815 select SPARSE_IRQ @@ -939,33 +939,24 @@ config ARCH_DAVINCI help Support for TI's DaVinci platform. -config ARCH_OMAP - bool "TI OMAP" +config ARCH_OMAP1 + bool "TI OMAP1" depends on MMU select ARCH_HAS_CPUFREQ select ARCH_HAS_HOLES_MEMORYMODEL - select ARCH_REQUIRE_GPIOLIB - select CLKSRC_MMIO - select GENERIC_CLOCKEVENTS - select HAVE_CLK - help - Support for TI's OMAP platform (OMAP1/2/3/4). - -config ARCH_VT8500_SINGLE - bool "VIA/WonderMedia 85xx" - select ARCH_HAS_CPUFREQ + select ARCH_OMAP select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP - select COMMON_CLK - select CPU_ARM926T + select CLKSRC_MMIO select GENERIC_CLOCKEVENTS - select GENERIC_GPIO + select GENERIC_IRQ_CHIP select HAVE_CLK - select MULTI_IRQ_HANDLER - select SPARSE_IRQ - select USE_OF + select HAVE_IDE + select IRQ_DOMAIN + select NEED_MACH_IO_H if PCCARD + select NEED_MACH_MEMORY_H help - Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip. + Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) endchoice @@ -1088,17 +1079,12 @@ source "arch/arm/mach-realview/Kconfig" source "arch/arm/mach-sa1100/Kconfig" source "arch/arm/plat-samsung/Kconfig" -source "arch/arm/plat-s3c24xx/Kconfig" source "arch/arm/mach-socfpga/Kconfig" source "arch/arm/plat-spear/Kconfig" source "arch/arm/mach-s3c24xx/Kconfig" -if ARCH_S3C24XX -source "arch/arm/mach-s3c2412/Kconfig" -source "arch/arm/mach-s3c2440/Kconfig" -endif if ARCH_S3C64XX source "arch/arm/mach-s3c64xx/Kconfig" @@ -1129,6 +1115,8 @@ source "arch/arm/mach-versatile/Kconfig" source "arch/arm/mach-vexpress/Kconfig" source "arch/arm/plat-versatile/Kconfig" +source "arch/arm/mach-virt/Kconfig" + source "arch/arm/mach-vt8500/Kconfig" source "arch/arm/mach-w90x900/Kconfig" @@ -1231,6 +1219,7 @@ config ARM_ERRATA_430973 config ARM_ERRATA_458693 bool "ARM errata: Processor deadlock when a false hazard is created" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 458693 Cortex-A8 (r2p0) erratum. For very specific sequences of memory operations, it is @@ -1244,6 +1233,7 @@ config ARM_ERRATA_458693 config ARM_ERRATA_460075 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 460075 Cortex-A8 (r2p0) erratum. Any asynchronous access to the L2 cache may encounter a @@ -1256,6 +1246,7 @@ config ARM_ERRATA_460075 config ARM_ERRATA_742230 bool "ARM errata: DMB operation may be faulty" depends on CPU_V7 && SMP + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 742230 Cortex-A9 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction @@ -1268,6 +1259,7 @@ config ARM_ERRATA_742230 config ARM_ERRATA_742231 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" depends on CPU_V7 && SMP + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 742231 Cortex-A9 (r2p0..r2p2) erratum. Under certain conditions, specific to the @@ -1318,6 +1310,7 @@ config PL310_ERRATA_727915 config ARM_ERRATA_743622 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 743622 Cortex-A9 (r2p*) erratum. Under very rare conditions, a faulty @@ -1331,6 +1324,7 @@ config ARM_ERRATA_743622 config ARM_ERRATA_751472 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 751472 Cortex-A9 (prior to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the @@ -1446,6 +1440,10 @@ config ISA_DMA bool select ISA_DMA_API +config ARCH_NO_VIRT_TO_BUS + def_bool y + depends on !ARCH_RPC && !ARCH_NETWINDER && !ARCH_SHARK + # Select ISA DMA interface config ISA_DMA_API bool @@ -1527,7 +1525,6 @@ config SMP config SMP_ON_UP bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" - depends on EXPERIMENTAL depends on SMP && !XIP_KERNEL default y help @@ -1568,9 +1565,10 @@ config HAVE_ARM_SCU help This option enables support for the ARM system coherency unit -config ARM_ARCH_TIMER +config HAVE_ARM_ARCH_TIMER bool "Architected timer support" depends on CPU_V7 + select ARM_ARCH_TIMER help This option enables support for the ARM architected timer @@ -1616,6 +1614,16 @@ config HOTPLUG_CPU Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. +config ARM_PSCI + bool "Support for the ARM Power State Coordination Interface (PSCI)" + depends on CPU_V7 + help + Say Y here if you want Linux to communicate with system firmware + implementing the PSCI specification for CPU-centric power + management operations described in ARM document number ARM DEN + 0022A ("Power State Coordination Interface System Software on + ARM processors"). + config LOCAL_TIMERS bool "Use local timer interrupts" depends on SMP @@ -1633,7 +1641,7 @@ config ARCH_NR_GPIO default 355 if ARCH_U8500 default 264 if MACH_H4700 default 512 if SOC_OMAP5 - default 288 if ARCH_VT8500 + default 288 if ARCH_VT8500 || ARCH_SUNXI default 0 help Maximum number of GPIOs in the system. @@ -1651,6 +1659,9 @@ config HZ default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE default 100 +config SCHED_HRTICK + def_bool HIGH_RES_TIMERS + config THUMB2_KERNEL bool "Compile the kernel in Thumb-2 mode" depends on CPU_V7 && !CPU_V6 && !CPU_V6K @@ -1715,7 +1726,7 @@ config AEABI config OABI_COMPAT bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" - depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL + depends on AEABI && !THUMB2_KERNEL default y help This option preserves the old syscall interface along with the @@ -1839,7 +1850,6 @@ config SECCOMP config CC_STACKPROTECTOR bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" - depends on EXPERIMENTAL help This option turns on the -fstack-protector GCC feature. This feature puts, at the beginning of functions, a canary value on @@ -1856,7 +1866,7 @@ config XEN_DOM0 config XEN bool "Xen guest support on ARM (EXPERIMENTAL)" - depends on EXPERIMENTAL && ARM && OF + depends on ARM && OF depends on CPU_V7 && !CPU_V6 help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. @@ -1925,7 +1935,7 @@ config ZBOOT_ROM choice prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)" - depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL + depends on ZBOOT_ROM && ARCH_SH7372 default ZBOOT_ROM_NONE help Include experimental SD/MMC loading code in the ROM-able zImage. @@ -1954,7 +1964,7 @@ endchoice config ARM_APPENDED_DTB bool "Use appended device tree blob to zImage (EXPERIMENTAL)" - depends on OF && !ZBOOT_ROM && EXPERIMENTAL + depends on OF && !ZBOOT_ROM help With this option, the boot code will look for a device tree binary (DTB) appended to zImage @@ -2072,7 +2082,7 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU) + depends on (!SMP || HOTPLUG_CPU) help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -2094,7 +2104,6 @@ config ATAGS_PROC config CRASH_DUMP bool "Build kdump crash kernel (EXPERIMENTAL)" - depends on EXPERIMENTAL help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels which are @@ -2161,7 +2170,7 @@ config CPU_FREQ_S3C config CPU_FREQ_S3C24XX bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" - depends on ARCH_S3C24XX && CPU_FREQ && EXPERIMENTAL + depends on ARCH_S3C24XX && CPU_FREQ select CPU_FREQ_S3C help This enables the CPUfreq driver for the Samsung S3C24XX family @@ -2173,7 +2182,7 @@ config CPU_FREQ_S3C24XX config CPU_FREQ_S3C24XX_PLL bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" - depends on CPU_FREQ_S3C24XX && EXPERIMENTAL + depends on CPU_FREQ_S3C24XX help Compile in support for changing the PLL frequency from the S3C24XX series CPUfreq driver. The PLL takes time to settle @@ -2236,7 +2245,7 @@ config FPE_NWFPE_XP config FPE_FASTFPE bool "FastFPE math emulation (EXPERIMENTAL)" - depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL + depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 ---help--- Say Y here to include the FAST floating point emulator in the kernel. This is an experimental much faster emulator which now also has full @@ -2318,3 +2327,5 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +source "arch/arm/kvm/Kconfig" |