diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 352 |
1 files changed, 125 insertions, 227 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 67874b82a4ed..d423d58f938d 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) @@ -14,6 +15,7 @@ config ARM select GENERIC_IRQ_SHOW select GENERIC_PCI_IOMAP select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_POLL_SETUP select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select HARDIRQS_SW_RESEND @@ -36,7 +38,6 @@ 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 @@ -56,6 +57,9 @@ config ARM select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND select MODULES_USE_ELF_REL select CLONE_BACKWARDS + select OLD_SIGSUSPEND3 + select OLD_SIGACTION + select HAVE_CONTEXT_TRACKING help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -75,6 +79,27 @@ config ARM_DMA_USE_IOMMU select ARM_HAS_SG_CHAIN select NEED_SG_DMA_LENGTH +if ARM_DMA_USE_IOMMU + +config ARM_DMA_IOMMU_ALIGNMENT + int "Maximum PAGE_SIZE order of alignment for DMA IOMMU buffers" + range 4 9 + default 8 + help + DMA mapping framework by default aligns all buffers to the smallest + PAGE_SIZE order which is greater than or equal to the requested buffer + size. This works well for buffers up to a few hundreds kilobytes, but + for larger buffers it just a waste of address space. Drivers which has + relatively small addressing window (like 64Mib) might run out of + virtual space with just a few allocations. + + With this parameter you can specify the maximum PAGE_SIZE order for + DMA IOMMU buffers. Larger buffers will be aligned only to this + specified order. The order is expressed as a power of two multiplied + by the PAGE_SIZE. + +endif + config HAVE_PWM bool @@ -84,9 +109,6 @@ config MIGHT_HAVE_PCI config SYS_SUPPORTS_APM_EMULATION bool -config GENERIC_GPIO - bool - config HAVE_TCM bool select GENERIC_ALLOCATOR @@ -261,7 +283,8 @@ 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" @@ -337,37 +360,6 @@ config ARCH_AT91 This enables support for systems based on Atmel AT91RM9200 and AT91SAM9* processors. -config ARCH_BCM2835 - bool "Broadcom BCM2835 family" - select ARCH_REQUIRE_GPIOLIB - select ARM_AMBA - select ARM_ERRATA_411920 - select ARM_TIMER_SP804 - select CLKDEV_LOOKUP - select COMMON_CLK - select CPU_V6 - select GENERIC_CLOCKEVENTS - select GENERIC_GPIO - select MULTI_IRQ_HANDLER - select PINCTRL - select PINCTRL_BCM2835 - select SPARSE_IRQ - select USE_OF - help - This enables support for the Broadcom BCM2835 SoC. This SoC is - use in the Raspberry Pi, and Roku 2 devices. - -config ARCH_CNS3XXX - bool "Cavium Networks CNS3XXX family" - select ARM_GIC - select CPU_V6K - select GENERIC_CLOCKEVENTS - select MIGHT_HAVE_CACHE_L2X0 - select MIGHT_HAVE_PCI - select PCI_DOMAINS if PCI - help - Support for Cavium Networks CNS3XXX platform. - config ARCH_CLPS711X bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" select ARCH_REQUIRE_GPIOLIB @@ -386,24 +378,11 @@ config ARCH_GEMINI bool "Cortina Systems Gemini" select ARCH_REQUIRE_GPIOLIB select ARCH_USES_GETTIMEOFFSET + select NEED_MACH_GPIO_H select CPU_FA526 help Support for the Cortina Systems Gemini family SoCs -config ARCH_SIRF - bool "CSR SiRF" - select ARCH_REQUIRE_GPIOLIB - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_CHIP - select MIGHT_HAVE_CACHE_L2X0 - select NO_IOPORT - select PINCTRL - select PINCTRL_SIRF - select USE_OF - help - Support for CSR SiRFprimaII/Marco/Polo platforms - config ARCH_EBSA110 bool "EBSA-110" select ARCH_USES_GETTIMEOFFSET @@ -443,21 +422,6 @@ config ARCH_FOOTBRIDGE Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. -config ARCH_MXS - bool "Freescale MXS-based" - select ARCH_REQUIRE_GPIOLIB - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select HAVE_CLK_PREPARE - select MULTI_IRQ_HANDLER - select PINCTRL - select SPARSE_IRQ - select USE_OF - help - Support for Freescale MXS-based family of processors - config ARCH_NETX bool "Hilscher NetX based" select ARM_VIC @@ -467,14 +431,6 @@ config ARCH_NETX help This enables support for systems based on the Hilscher NetX Soc -config ARCH_H720X - bool "Hynix HMS720x-based" - select ARCH_USES_GETTIMEOFFSET - select CPU_ARM720T - select ISA_DMA_API - help - This enables support for systems based on the Hynix HMS720x - config ARCH_IOP13XX bool "IOP13xx-based" depends on MMU @@ -524,13 +480,14 @@ config ARCH_IXP4XX select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI select NEED_MACH_IO_H + select USB_EHCI_BIG_ENDIAN_MMIO + select USB_EHCI_BIG_ENDIAN_DESC help Support for Intel's IXP4XX (XScale) family of processors. config ARCH_DOVE bool "Marvell Dove" select ARCH_REQUIRE_GPIOLIB - select COMMON_CLK_DOVE select CPU_V7 select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI @@ -538,6 +495,7 @@ config ARCH_DOVE select PINCTRL_DOVE select PLAT_ORION_LEGACY select USB_ARCH_HAS_EHCI + select MVEBU_MBUS help Support for the Marvell Dove SoC 88AP510 @@ -551,6 +509,7 @@ config ARCH_KIRKWOOD select PINCTRL select PINCTRL_KIRKWOOD select PLAT_ORION_LEGACY + select MVEBU_MBUS help Support for the following Marvell Kirkwood series SoCs: 88F6180, 88F6192 and 88F6281. @@ -562,6 +521,7 @@ config ARCH_MV78XX0 select GENERIC_CLOCKEVENTS select PCI select PLAT_ORION_LEGACY + select MVEBU_MBUS help Support for the following Marvell MV78xx0 series SoCs: MV781x0, MV782x0. @@ -574,6 +534,7 @@ config ARCH_ORION5X select GENERIC_CLOCKEVENTS select PCI select PLAT_ORION_LEGACY + select MVEBU_MBUS help Support for the following Marvell Orion 5x series SoCs: Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), @@ -637,23 +598,6 @@ config ARCH_LPC32XX help Support for the NXP LPC32XX family of processors -config ARCH_TEGRA - bool "NVIDIA Tegra" - select ARCH_HAS_CPUFREQ - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select GENERIC_GPIO - select HAVE_CLK - select HAVE_SMP - select MIGHT_HAVE_CACHE_L2X0 - select SPARSE_IRQ - select USE_OF - help - This enables support for NVIDIA Tegra based systems (Tegra APX, - Tegra 6xx and Tegra 2 series). - config ARCH_PXA bool "PXA2xx/PXA3xx-based" depends on MMU @@ -691,6 +635,8 @@ config ARCH_SHMOBILE bool "Renesas SH-Mobile / R-Mobile" select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS + select HAVE_ARM_SCU if SMP + select HAVE_ARM_TWD if LOCAL_TIMERS select HAVE_CLK select HAVE_MACH_CLKDEV select HAVE_SMP @@ -698,6 +644,7 @@ config ARCH_SHMOBILE select MULTI_IRQ_HANDLER select NEED_MACH_MEMORY_H select NO_IOPORT + select PINCTRL if ARCH_WANT_OPTIONAL_GPIOLIB select PM_GENERIC_DOMAINS if PM select SPARSE_IRQ help @@ -716,6 +663,7 @@ config ARCH_RPC select NEED_MACH_IO_H select NEED_MACH_MEMORY_H select NO_IOPORT + select VIRT_TO_BUS help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. @@ -742,13 +690,15 @@ config ARCH_SA1100 config ARCH_S3C24XX bool "Samsung S3C24XX SoCs" select ARCH_HAS_CPUFREQ - select ARCH_USES_GETTIMEOFFSET + select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP - select GENERIC_GPIO + select CLKSRC_MMIO + select GENERIC_CLOCKEVENTS select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG select HAVE_S3C_RTC if RTC_CLASS + select MULTI_IRQ_HANDLER select NEED_MACH_GPIO_H select NEED_MACH_IO_H help @@ -761,10 +711,11 @@ config ARCH_S3C64XX bool "Samsung S3C64XX" select ARCH_HAS_CPUFREQ select ARCH_REQUIRE_GPIOLIB - select ARCH_USES_GETTIMEOFFSET select ARM_VIC select CLKDEV_LOOKUP + select CLKSRC_MMIO select CPU_V6 + select GENERIC_CLOCKEVENTS select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -787,7 +738,6 @@ 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 @@ -799,10 +749,11 @@ config ARCH_S5P64X0 config ARCH_S5PC100 bool "Samsung S5PC100" - select ARCH_USES_GETTIMEOFFSET + select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP + select CLKSRC_MMIO select CPU_V7 - select GENERIC_GPIO + select GENERIC_CLOCKEVENTS select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -820,7 +771,6 @@ 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 @@ -836,9 +786,9 @@ config ARCH_EXYNOS select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_SPARSEMEM_ENABLE select CLKDEV_LOOKUP + select COMMON_CLK select CPU_V7 select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_CLK select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG @@ -856,6 +806,7 @@ config ARCH_SHARK select ISA_DMA select NEED_MACH_MEMORY_H select PCI + select VIRT_TO_BUS select ZONE_DMA help Support for the StrongARM based Digital DNARD machine, also known @@ -873,55 +824,11 @@ config ARCH_U300 select COMMON_CLK select CPU_ARM926T select GENERIC_CLOCKEVENTS - select GENERIC_GPIO select HAVE_TCM select SPARSE_IRQ help Support for ST-Ericsson U300 series mobile platforms. -config ARCH_U8500 - bool "ST-Ericsson U8500 Series" - depends on MMU - select ARCH_HAS_CPUFREQ - select ARCH_REQUIRE_GPIOLIB - select ARM_AMBA - select CLKDEV_LOOKUP - select CPU_V7 - select GENERIC_CLOCKEVENTS - select HAVE_SMP - select MIGHT_HAVE_CACHE_L2X0 - select SPARSE_IRQ - help - Support for ST-Ericsson's Ux500 architecture - -config ARCH_NOMADIK - bool "STMicroelectronics Nomadik" - select ARCH_REQUIRE_GPIOLIB - select ARM_AMBA - select ARM_VIC - select COMMON_CLK - select CPU_ARM926T - select GENERIC_CLOCKEVENTS - select MIGHT_HAVE_CACHE_L2X0 - select PINCTRL - select PINCTRL_STN8815 - select SPARSE_IRQ - help - Support for the Nomadik platform by ST-Ericsson - -config PLAT_SPEAR - bool "ST SPEAr" - select ARCH_HAS_CPUFREQ - select ARCH_REQUIRE_GPIOLIB - select ARM_AMBA - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select HAVE_CLK - help - Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx). - config ARCH_DAVINCI bool "TI DaVinci" select ARCH_HAS_HOLES_MEMORYMODEL @@ -937,33 +844,24 @@ 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 @@ -991,15 +889,14 @@ config ARCH_MULTI_V4_V5 bool config ARCH_MULTI_V6 - bool "ARMv6 based platforms (ARM11, Scorpion, ...)" + bool "ARMv6 based platforms (ARM11)" select ARCH_MULTI_V6_V7 select CPU_V6 config ARCH_MULTI_V7 - bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)" + bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)" default y select ARCH_MULTI_V6_V7 - select ARCH_VEXPRESS select CPU_V7 config ARCH_MULTI_V6_V7 @@ -1022,6 +919,8 @@ source "arch/arm/mach-at91/Kconfig" source "arch/arm/mach-bcm/Kconfig" +source "arch/arm/mach-bcm2835/Kconfig" + source "arch/arm/mach-clps711x/Kconfig" source "arch/arm/mach-cns3xxx/Kconfig" @@ -1036,8 +935,6 @@ source "arch/arm/mach-footbridge/Kconfig" source "arch/arm/mach-gemini/Kconfig" -source "arch/arm/mach-h720x/Kconfig" - source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-integrator/Kconfig" @@ -1086,17 +983,12 @@ 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-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" @@ -1127,6 +1019,8 @@ 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" @@ -1161,7 +1055,7 @@ config PLAT_VERSATILE config ARM_TIMER_SP804 bool select CLKSRC_MMIO - select HAVE_SCHED_CLOCK + select CLKSRC_OF if OF source arch/arm/mm/Kconfig @@ -1171,9 +1065,9 @@ config ARM_NR_BANKS default 8 config IWMMXT - bool "Enable iWMMXt support" + bool "Enable iWMMXt support" if !CPU_PJ4 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 - default y if PXA27x || PXA3xx || ARCH_MMP + default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 help Enable support for iWMMXt context switching at run time if running on a CPU that supports it. @@ -1427,6 +1321,16 @@ config ARM_ERRATA_775420 to deadlock. This workaround puts DSB before executing ISB if an abort may occur on cache maintenance. +config ARM_ERRATA_798181 + bool "ARM errata: TLBI/DSB failure on Cortex-A15" + depends on CPU_V7 && SMP + help + On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not + adequately shooting down all use of the old entries. This + option enables the Linux kernel workaround for this erratum + which sends an IPI to the CPUs that are running the same ASID + as the one being invalidated. + endmenu source "arch/arm/common/Kconfig" @@ -1510,7 +1414,6 @@ config SMP depends on GENERIC_CLOCKEVENTS depends on HAVE_SMP depends on MMU - select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have @@ -1531,7 +1434,6 @@ 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 @@ -1572,18 +1474,28 @@ 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 config HAVE_ARM_TWD bool depends on SMP + select CLKSRC_OF if OF help This options enables support for the ARM timer and watchdog unit +config MCPM + bool "Multi-Cluster Power Management" + depends on CPU_V7 && SMP + help + This option provides the common power management infrastructure + for (multi-)cluster based systems, such as big.LITTLE based + systems. + choice prompt "Memory split" default VMSPLIT_3G @@ -1620,24 +1532,37 @@ 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 default y - select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT) help Enable support for local timers on SMP platforms, rather then the legacy IPI broadcast method. Local timers allows the system accounting to be spread across the timer interval, preventing a "thundering herd" at every timer tick. +# The GPIO number here must be sorted by descending number. In case of +# a multiplatform kernel, we just want the highest value required by the +# selected platforms. config ARCH_NR_GPIO int default 1024 if ARCH_SHMOBILE || ARCH_TEGRA - default 355 if ARCH_U8500 - default 264 if MACH_H4700 default 512 if SOC_OMAP5 - default 288 if ARCH_VT8500 + default 392 if ARCH_U8500 + default 352 if ARCH_VT8500 + default 288 if ARCH_SUNXI + default 264 if MACH_H4700 default 0 help Maximum number of GPIOs in the system. @@ -1650,14 +1575,17 @@ config HZ int default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \ 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 default 100 +config SCHED_HRTICK + def_bool HIGH_RES_TIMERS + config THUMB2_KERNEL - bool "Compile the kernel in Thumb-2 mode" + bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY depends on CPU_V7 && !CPU_V6 && !CPU_V6K + default y if CPU_THUMBONLY select AEABI select ARM_ASM_UNIFIED select ARM_UNWIND @@ -1719,7 +1647,7 @@ 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 @@ -1843,7 +1771,6 @@ 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 @@ -1860,8 +1787,10 @@ config XEN_DOM0 config XEN bool "Xen guest support on ARM (EXPERIMENTAL)" - depends on EXPERIMENTAL && ARM && OF + depends on ARM && AEABI && OF depends on CPU_V7 && !CPU_V6 + depends on !GENERIC_ATOMIC64 + select ARM_PSCI help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. @@ -1929,7 +1858,7 @@ 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. @@ -1958,7 +1887,7 @@ 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 @@ -2076,7 +2005,7 @@ 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 @@ -2098,7 +2027,6 @@ 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 @@ -2124,40 +2052,8 @@ endmenu menu "CPU Power Management" if ARCH_HAS_CPUFREQ - source "drivers/cpufreq/Kconfig" -config CPU_FREQ_IMX - tristate "CPUfreq driver for i.MX CPUs" - depends on ARCH_MXC && CPU_FREQ - select CPU_FREQ_TABLE - help - This enables the CPUfreq driver for i.MX CPUs. - -config CPU_FREQ_SA1100 - bool - -config CPU_FREQ_SA1110 - bool - -config CPU_FREQ_INTEGRATOR - tristate "CPUfreq driver for ARM Integrator CPUs" - depends on ARCH_INTEGRATOR && CPU_FREQ - default y - help - This enables the CPUfreq driver for ARM Integrator CPUs. - - For details, take a look at <file:Documentation/cpu-freq>. - - If in doubt, say Y. - -config CPU_FREQ_PXA - bool - depends on CPU_FREQ && ARCH_PXA && PXA25x - default y - select CPU_FREQ_DEFAULT_GOV_USERSPACE - select CPU_FREQ_TABLE - config CPU_FREQ_S3C bool help @@ -2165,7 +2061,7 @@ 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 @@ -2177,7 +2073,7 @@ 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 @@ -2240,7 +2136,7 @@ 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 @@ -2322,3 +2218,5 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +source "arch/arm/kvm/Kconfig" |