| config ARM | 
 | 	bool | 
 | 	default y | 
 | 	select ARCH_BINFMT_ELF_RANDOMIZE_PIE | 
 | 	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | 
 | 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST | 
 | 	select ARCH_HAVE_CUSTOM_GPIO_H | 
 | 	select ARCH_MIGHT_HAVE_PC_PARPORT | 
 | 	select ARCH_SUPPORTS_ATOMIC_RMW | 
 | 	select ARCH_USE_BUILTIN_BSWAP | 
 | 	select ARCH_USE_CMPXCHG_LOCKREF | 
 | 	select ARCH_WANT_IPC_PARSE_VERSION | 
 | 	select BUILDTIME_EXTABLE_SORT if MMU | 
 | 	select CLONE_BACKWARDS | 
 | 	select CPU_PM if (SUSPEND || CPU_IDLE) | 
 | 	select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS | 
 | 	select GENERIC_ALLOCATOR | 
 | 	select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI) | 
 | 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP | 
 | 	select GENERIC_IDLE_POLL_SETUP | 
 | 	select GENERIC_IRQ_PROBE | 
 | 	select GENERIC_IRQ_SHOW | 
 | 	select GENERIC_PCI_IOMAP | 
 | 	select GENERIC_SCHED_CLOCK | 
 | 	select GENERIC_SMP_IDLE_THREAD | 
 | 	select GENERIC_STRNCPY_FROM_USER | 
 | 	select GENERIC_STRNLEN_USER | 
 | 	select HANDLE_DOMAIN_IRQ | 
 | 	select HARDIRQS_SW_RESEND | 
 | 	select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT) | 
 | 	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL | 
 | 	select HAVE_ARCH_KGDB | 
 | 	select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT) | 
 | 	select HAVE_ARCH_TRACEHOOK | 
 | 	select HAVE_BPF_JIT | 
 | 	select HAVE_CC_STACKPROTECTOR | 
 | 	select HAVE_CONTEXT_TRACKING | 
 | 	select HAVE_C_RECORDMCOUNT | 
 | 	select HAVE_DEBUG_KMEMLEAK | 
 | 	select HAVE_DMA_API_DEBUG | 
 | 	select HAVE_DMA_ATTRS | 
 | 	select HAVE_DMA_CONTIGUOUS if MMU | 
 | 	select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) | 
 | 	select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU | 
 | 	select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) | 
 | 	select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) | 
 | 	select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) | 
 | 	select HAVE_GENERIC_DMA_COHERENT | 
 | 	select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) | 
 | 	select HAVE_IDE if PCI || ISA || PCMCIA | 
 | 	select HAVE_IRQ_TIME_ACCOUNTING | 
 | 	select HAVE_KERNEL_GZIP | 
 | 	select HAVE_KERNEL_LZ4 | 
 | 	select HAVE_KERNEL_LZMA | 
 | 	select HAVE_KERNEL_LZO | 
 | 	select HAVE_KERNEL_XZ | 
 | 	select HAVE_KPROBES if !XIP_KERNEL | 
 | 	select HAVE_KRETPROBES if (HAVE_KPROBES) | 
 | 	select HAVE_MEMBLOCK | 
 | 	select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND | 
 | 	select HAVE_OPROFILE if (HAVE_PERF_EVENTS) | 
 | 	select HAVE_PERF_EVENTS | 
 | 	select HAVE_PERF_REGS | 
 | 	select HAVE_PERF_USER_STACK_DUMP | 
 | 	select HAVE_RCU_TABLE_FREE if (SMP && ARM_LPAE) | 
 | 	select HAVE_REGS_AND_STACK_ACCESS_API | 
 | 	select HAVE_SYSCALL_TRACEPOINTS | 
 | 	select HAVE_UID16 | 
 | 	select HAVE_VIRT_CPU_ACCOUNTING_GEN | 
 | 	select IRQ_FORCED_THREADING | 
 | 	select MODULES_USE_ELF_REL | 
 | 	select NO_BOOTMEM | 
 | 	select OLD_SIGACTION | 
 | 	select OLD_SIGSUSPEND3 | 
 | 	select PERF_USE_VMALLOC | 
 | 	select RTC_LIB | 
 | 	select SYS_SUPPORTS_APM_EMULATION | 
 | 	# Above selects are sorted alphabetically; please add new ones | 
 | 	# according to that.  Thanks. | 
 | 	help | 
 | 	  The ARM series is a line of low-power-consumption RISC chip designs | 
 | 	  licensed by ARM Ltd and targeted at embedded applications and | 
 | 	  handhelds such as the Compaq IPAQ.  ARM-based PCs are no longer | 
 | 	  manufactured, but legacy ARM-based PC hardware remains popular in | 
 | 	  Europe.  There is an ARM Linux project with a web page at | 
 | 	  <http://www.arm.linux.org.uk/>. | 
 |  | 
 | config ARM_HAS_SG_CHAIN | 
 | 	select ARCH_HAS_SG_CHAIN | 
 | 	bool | 
 |  | 
 | config NEED_SG_DMA_LENGTH | 
 | 	bool | 
 |  | 
 | config ARM_DMA_USE_IOMMU | 
 | 	bool | 
 | 	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 MIGHT_HAVE_PCI | 
 | 	bool | 
 |  | 
 | config SYS_SUPPORTS_APM_EMULATION | 
 | 	bool | 
 |  | 
 | config HAVE_TCM | 
 | 	bool | 
 | 	select GENERIC_ALLOCATOR | 
 |  | 
 | config HAVE_PROC_CPU | 
 | 	bool | 
 |  | 
 | config NO_IOPORT_MAP | 
 | 	bool | 
 |  | 
 | config EISA | 
 | 	bool | 
 | 	---help--- | 
 | 	  The Extended Industry Standard Architecture (EISA) bus was | 
 | 	  developed as an open alternative to the IBM MicroChannel bus. | 
 |  | 
 | 	  The EISA bus provided some of the features of the IBM MicroChannel | 
 | 	  bus while maintaining backward compatibility with cards made for | 
 | 	  the older ISA bus.  The EISA bus saw limited use between 1988 and | 
 | 	  1995 when it was made obsolete by the PCI bus. | 
 |  | 
 | 	  Say Y here if you are building a kernel for an EISA-based machine. | 
 |  | 
 | 	  Otherwise, say N. | 
 |  | 
 | config SBUS | 
 | 	bool | 
 |  | 
 | config STACKTRACE_SUPPORT | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config HAVE_LATENCYTOP_SUPPORT | 
 | 	bool | 
 | 	depends on !SMP | 
 | 	default y | 
 |  | 
 | config LOCKDEP_SUPPORT | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config TRACE_IRQFLAGS_SUPPORT | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config RWSEM_XCHGADD_ALGORITHM | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config ARCH_HAS_ILOG2_U32 | 
 | 	bool | 
 |  | 
 | config ARCH_HAS_ILOG2_U64 | 
 | 	bool | 
 |  | 
 | config ARCH_HAS_BANDGAP | 
 | 	bool | 
 |  | 
 | config GENERIC_HWEIGHT | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config GENERIC_CALIBRATE_DELAY | 
 | 	bool | 
 | 	default y | 
 |  | 
 | config ARCH_MAY_HAVE_PC_FDC | 
 | 	bool | 
 |  | 
 | config ZONE_DMA | 
 | 	bool | 
 |  | 
 | config NEED_DMA_MAP_STATE | 
 |        def_bool y | 
 |  | 
 | config ARCH_SUPPORTS_UPROBES | 
 | 	def_bool y | 
 |  | 
 | config ARCH_HAS_DMA_SET_COHERENT_MASK | 
 | 	bool | 
 |  | 
 | config GENERIC_ISA_DMA | 
 | 	bool | 
 |  | 
 | config FIQ | 
 | 	bool | 
 |  | 
 | config NEED_RET_TO_USER | 
 | 	bool | 
 |  | 
 | config ARCH_MTD_XIP | 
 | 	bool | 
 |  | 
 | config VECTORS_BASE | 
 | 	hex | 
 | 	default 0xffff0000 if MMU || CPU_HIGH_VECTOR | 
 | 	default DRAM_BASE if REMAP_VECTORS_TO_RAM | 
 | 	default 0x00000000 | 
 | 	help | 
 | 	  The base address of exception vectors.  This must be two pages | 
 | 	  in size. | 
 |  | 
 | config ARM_PATCH_PHYS_VIRT | 
 | 	bool "Patch physical to virtual translations at runtime" if EMBEDDED | 
 | 	default y | 
 | 	depends on !XIP_KERNEL && MMU | 
 | 	depends on !ARCH_REALVIEW || !SPARSEMEM | 
 | 	help | 
 | 	  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 MMU kernels where the base | 
 | 	  of physical memory is at a 16MB boundary. | 
 |  | 
 | 	  Only disable this option if you know that you do not require | 
 | 	  this feature (eg, building a kernel for a single machine) and | 
 | 	  you need to shrink the kernel to the minimal size. | 
 |  | 
 | config NEED_MACH_IO_H | 
 | 	bool | 
 | 	help | 
 | 	  Select this when mach/io.h is required to provide special | 
 | 	  definitions for this platform.  The need for mach/io.h should | 
 | 	  be avoided when possible. | 
 |  | 
 | config NEED_MACH_MEMORY_H | 
 | 	bool | 
 | 	help | 
 | 	  Select this when mach/memory.h is required to provide special | 
 | 	  definitions for this platform.  The need for mach/memory.h should | 
 | 	  be avoided when possible. | 
 |  | 
 | config PHYS_OFFSET | 
 | 	hex "Physical address of main memory" if MMU | 
 | 	depends on !ARM_PATCH_PHYS_VIRT | 
 | 	default DRAM_BASE if !MMU | 
 | 	default 0x00000000 if ARCH_EBSA110 || \ | 
 | 			EP93XX_SDCE3_SYNC_PHYS_OFFSET || \ | 
 | 			ARCH_FOOTBRIDGE || \ | 
 | 			ARCH_INTEGRATOR || \ | 
 | 			ARCH_IOP13XX || \ | 
 | 			ARCH_KS8695 || \ | 
 | 			(ARCH_REALVIEW && !REALVIEW_HIGH_PHYS_OFFSET) | 
 | 	default 0x10000000 if ARCH_OMAP1 || ARCH_RPC | 
 | 	default 0x20000000 if ARCH_S5PV210 | 
 | 	default 0x70000000 if REALVIEW_HIGH_PHYS_OFFSET | 
 | 	default 0xc0000000 if EP93XX_SDCE0_PHYS_OFFSET || ARCH_SA1100 | 
 | 	default 0xd0000000 if EP93XX_SDCE1_PHYS_OFFSET | 
 | 	default 0xe0000000 if EP93XX_SDCE2_PHYS_OFFSET | 
 | 	default 0xf0000000 if EP93XX_SDCE3_ASYNC_PHYS_OFFSET | 
 | 	help | 
 | 	  Please provide the physical address corresponding to the | 
 | 	  location of main memory in your system. | 
 |  | 
 | config GENERIC_BUG | 
 | 	def_bool y | 
 | 	depends on BUG | 
 |  | 
 | source "init/Kconfig" | 
 |  | 
 | source "kernel/Kconfig.freezer" | 
 |  | 
 | menu "System Type" | 
 |  | 
 | config MMU | 
 | 	bool "MMU-based Paged Memory Management Support" | 
 | 	default y | 
 | 	help | 
 | 	  Select if you want MMU-based virtualised addressing space | 
 | 	  support by paged memory management. If unsure, say 'Y'. | 
 |  | 
 | # | 
 | # The "ARM system type" choice list is ordered alphabetically by option | 
 | # text.  Please add new entries in the option alphabetic order. | 
 | # | 
 | choice | 
 | 	prompt "ARM system type" | 
 | 	default ARCH_VERSATILE if !MMU | 
 | 	default ARCH_MULTIPLATFORM if MMU | 
 |  | 
 | config ARCH_MULTIPLATFORM | 
 | 	bool "Allow multiple platforms to be selected" | 
 | 	depends on MMU | 
 | 	select ARCH_WANT_OPTIONAL_GPIOLIB | 
 | 	select ARM_HAS_SG_CHAIN | 
 | 	select ARM_PATCH_PHYS_VIRT | 
 | 	select AUTO_ZRELADDR | 
 | 	select CLKSRC_OF | 
 | 	select COMMON_CLK | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MIGHT_HAVE_PCI | 
 | 	select MULTI_IRQ_HANDLER | 
 | 	select SPARSE_IRQ | 
 | 	select USE_OF | 
 |  | 
 | config ARCH_INTEGRATOR | 
 | 	bool "ARM Ltd. Integrator family" | 
 | 	select ARM_AMBA | 
 | 	select ARM_PATCH_PHYS_VIRT if MMU | 
 | 	select AUTO_ZRELADDR | 
 | 	select COMMON_CLK | 
 | 	select COMMON_CLK_VERSATILE | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_TCM | 
 | 	select ICST | 
 | 	select MULTI_IRQ_HANDLER | 
 | 	select PLAT_VERSATILE | 
 | 	select SPARSE_IRQ | 
 | 	select USE_OF | 
 | 	select VERSATILE_FPGA_IRQ | 
 | 	help | 
 | 	  Support for ARM's Integrator platform. | 
 |  | 
 | config ARCH_REALVIEW | 
 | 	bool "ARM Ltd. RealView family" | 
 | 	select ARCH_WANT_OPTIONAL_GPIOLIB | 
 | 	select ARM_AMBA | 
 | 	select ARM_TIMER_SP804 | 
 | 	select COMMON_CLK | 
 | 	select COMMON_CLK_VERSATILE | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GPIO_PL061 if GPIOLIB | 
 | 	select ICST | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	select PLAT_VERSATILE | 
 | 	help | 
 | 	  This enables support for ARM Ltd RealView boards. | 
 |  | 
 | config ARCH_VERSATILE | 
 | 	bool "ARM Ltd. Versatile family" | 
 | 	select ARCH_WANT_OPTIONAL_GPIOLIB | 
 | 	select ARM_AMBA | 
 | 	select ARM_TIMER_SP804 | 
 | 	select ARM_VIC | 
 | 	select CLKDEV_LOOKUP | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_MACH_CLKDEV | 
 | 	select ICST | 
 | 	select PLAT_VERSATILE | 
 | 	select PLAT_VERSATILE_CLOCK | 
 | 	select VERSATILE_FPGA_IRQ | 
 | 	help | 
 | 	  This enables support for ARM Ltd Versatile board. | 
 |  | 
 | config ARCH_AT91 | 
 | 	bool "Atmel AT91" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKDEV_LOOKUP | 
 | 	select IRQ_DOMAIN | 
 | 	select NEED_MACH_IO_H if PCCARD | 
 | 	select PINCTRL | 
 | 	select PINCTRL_AT91 if USE_OF | 
 | 	help | 
 | 	  This enables support for systems based on Atmel | 
 | 	  AT91RM9200 and AT91SAM9* processors. | 
 |  | 
 | config ARCH_CLPS711X | 
 | 	bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select AUTO_ZRELADDR | 
 | 	select CLKSRC_MMIO | 
 | 	select COMMON_CLK | 
 | 	select CPU_ARM720T | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MFD_SYSCON | 
 | 	select SOC_BUS | 
 | 	help | 
 | 	  Support for Cirrus Logic 711x/721x/731x based boards. | 
 |  | 
 | config ARCH_GEMINI | 
 | 	bool "Cortina Systems Gemini" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_FA526 | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	help | 
 | 	  Support for the Cortina Systems Gemini family SoCs | 
 |  | 
 | config ARCH_EBSA110 | 
 | 	bool "EBSA-110" | 
 | 	select ARCH_USES_GETTIMEOFFSET | 
 | 	select CPU_SA110 | 
 | 	select ISA | 
 | 	select NEED_MACH_IO_H | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	select NO_IOPORT_MAP | 
 | 	help | 
 | 	  This is an evaluation board for the StrongARM processor available | 
 | 	  from Digital. It has limited hardware on-board, including an | 
 | 	  Ethernet interface, two PCMCIA sockets, two serial ports and a | 
 | 	  parallel port. | 
 |  | 
 | config ARCH_EFM32 | 
 | 	bool "Energy Micro efm32" | 
 | 	depends on !MMU | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARM_NVIC | 
 | 	select AUTO_ZRELADDR | 
 | 	select CLKSRC_OF | 
 | 	select COMMON_CLK | 
 | 	select CPU_V7M | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select NO_DMA | 
 | 	select NO_IOPORT_MAP | 
 | 	select SPARSE_IRQ | 
 | 	select USE_OF | 
 | 	help | 
 | 	  Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko | 
 | 	  processors. | 
 |  | 
 | config ARCH_EP93XX | 
 | 	bool "EP93xx-based" | 
 | 	select ARCH_HAS_HOLES_MEMORYMODEL | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARCH_USES_GETTIMEOFFSET | 
 | 	select ARM_AMBA | 
 | 	select ARM_VIC | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CPU_ARM920T | 
 | 	help | 
 | 	  This enables support for the Cirrus EP93xx series of CPUs. | 
 |  | 
 | config ARCH_FOOTBRIDGE | 
 | 	bool "FootBridge" | 
 | 	select CPU_SA110 | 
 | 	select FOOTBRIDGE | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_IDE | 
 | 	select NEED_MACH_IO_H if !MMU | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	help | 
 | 	  Support for systems based on the DC21285 companion chip | 
 | 	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. | 
 |  | 
 | config ARCH_NETX | 
 | 	bool "Hilscher NetX based" | 
 | 	select ARM_VIC | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_ARM926T | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	help | 
 | 	  This enables support for systems based on the Hilscher NetX Soc | 
 |  | 
 | config ARCH_IOP13XX | 
 | 	bool "IOP13xx-based" | 
 | 	depends on MMU | 
 | 	select CPU_XSC3 | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	select NEED_RET_TO_USER | 
 | 	select PCI | 
 | 	select PLAT_IOP | 
 | 	select VMSPLIT_1G | 
 | 	select SPARSE_IRQ | 
 | 	help | 
 | 	  Support for Intel's IOP13XX (XScale) family of processors. | 
 |  | 
 | config ARCH_IOP32X | 
 | 	bool "IOP32x-based" | 
 | 	depends on MMU | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CPU_XSCALE | 
 | 	select GPIO_IOP | 
 | 	select NEED_RET_TO_USER | 
 | 	select PCI | 
 | 	select PLAT_IOP | 
 | 	help | 
 | 	  Support for Intel's 80219 and IOP32X (XScale) family of | 
 | 	  processors. | 
 |  | 
 | config ARCH_IOP33X | 
 | 	bool "IOP33x-based" | 
 | 	depends on MMU | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CPU_XSCALE | 
 | 	select GPIO_IOP | 
 | 	select NEED_RET_TO_USER | 
 | 	select PCI | 
 | 	select PLAT_IOP | 
 | 	help | 
 | 	  Support for Intel's IOP33X (XScale) family of processors. | 
 |  | 
 | config ARCH_IXP4XX | 
 | 	bool "IXP4xx-based" | 
 | 	depends on MMU | 
 | 	select ARCH_HAS_DMA_SET_COHERENT_MASK | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARCH_SUPPORTS_BIG_ENDIAN | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_XSCALE | 
 | 	select DMABOUNCE if PCI | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MIGHT_HAVE_PCI | 
 | 	select NEED_MACH_IO_H | 
 | 	select USB_EHCI_BIG_ENDIAN_DESC | 
 | 	select USB_EHCI_BIG_ENDIAN_MMIO | 
 | 	help | 
 | 	  Support for Intel's IXP4XX (XScale) family of processors. | 
 |  | 
 | config ARCH_DOVE | 
 | 	bool "Marvell Dove" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CPU_PJ4 | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MIGHT_HAVE_PCI | 
 | 	select MVEBU_MBUS | 
 | 	select PINCTRL | 
 | 	select PINCTRL_DOVE | 
 | 	select PLAT_ORION_LEGACY | 
 | 	help | 
 | 	  Support for the Marvell Dove SoC 88AP510 | 
 |  | 
 | config ARCH_MV78XX0 | 
 | 	bool "Marvell MV78xx0" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CPU_FEROCEON | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MVEBU_MBUS | 
 | 	select PCI | 
 | 	select PLAT_ORION_LEGACY | 
 | 	help | 
 | 	  Support for the following Marvell MV78xx0 series SoCs: | 
 | 	  MV781x0, MV782x0. | 
 |  | 
 | config ARCH_ORION5X | 
 | 	bool "Marvell Orion" | 
 | 	depends on MMU | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CPU_FEROCEON | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select MVEBU_MBUS | 
 | 	select PCI | 
 | 	select PLAT_ORION_LEGACY | 
 | 	help | 
 | 	  Support for the following Marvell Orion 5x series SoCs: | 
 | 	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), | 
 | 	  Orion-2 (5281), Orion-1-90 (6183). | 
 |  | 
 | config ARCH_MMP | 
 | 	bool "Marvell PXA168/910/MMP2" | 
 | 	depends on MMU | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKDEV_LOOKUP | 
 | 	select GENERIC_ALLOCATOR | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GPIO_PXA | 
 | 	select IRQ_DOMAIN | 
 | 	select MULTI_IRQ_HANDLER | 
 | 	select PINCTRL | 
 | 	select PLAT_PXA | 
 | 	select SPARSE_IRQ | 
 | 	help | 
 | 	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. | 
 |  | 
 | config ARCH_KS8695 | 
 | 	bool "Micrel/Kendin KS8695" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_ARM922T | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	help | 
 | 	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based | 
 | 	  System-on-Chip devices. | 
 |  | 
 | config ARCH_W90X900 | 
 | 	bool "Nuvoton W90X900 CPU" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_ARM926T | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	help | 
 | 	  Support for Nuvoton (Winbond logic dept.) ARM9 processor, | 
 | 	  At present, the w90x900 has been renamed nuc900, regarding | 
 | 	  the ARM series product line, you can login the following | 
 | 	  link address to know more. | 
 |  | 
 | 	  <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ | 
 | 		ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> | 
 |  | 
 | config ARCH_LPC32XX | 
 | 	bool "NXP LPC32XX" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARM_AMBA | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_ARM926T | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_IDE | 
 | 	select USE_OF | 
 | 	help | 
 | 	  Support for the NXP LPC32XX family of processors | 
 |  | 
 | config ARCH_PXA | 
 | 	bool "PXA2xx/PXA3xx-based" | 
 | 	depends on MMU | 
 | 	select ARCH_MTD_XIP | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARM_CPU_SUSPEND if PM | 
 | 	select AUTO_ZRELADDR | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_MMIO | 
 | 	select CLKSRC_OF | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GPIO_PXA | 
 | 	select HAVE_IDE | 
 | 	select MULTI_IRQ_HANDLER | 
 | 	select PLAT_PXA | 
 | 	select SPARSE_IRQ | 
 | 	help | 
 | 	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line. | 
 |  | 
 | config ARCH_MSM | 
 | 	bool "Qualcomm MSM (non-multiplatform)" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select COMMON_CLK | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	help | 
 | 	  Support for Qualcomm MSM/QSD based systems.  This runs on the | 
 | 	  apps processor of the MSM/QSD and depends on a shared memory | 
 | 	  interface to the modem processor which runs the baseband | 
 | 	  stack and controls some vital subsystems | 
 | 	  (clock and power control, etc). | 
 |  | 
 | config ARCH_SHMOBILE_LEGACY | 
 | 	bool "Renesas ARM SoCs (non-multiplatform)" | 
 | 	select ARCH_SHMOBILE | 
 | 	select ARM_PATCH_PHYS_VIRT if MMU | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CPU_V7 | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_ARM_SCU if SMP | 
 | 	select HAVE_ARM_TWD if SMP | 
 | 	select HAVE_MACH_CLKDEV | 
 | 	select HAVE_SMP | 
 | 	select MIGHT_HAVE_CACHE_L2X0 | 
 | 	select MULTI_IRQ_HANDLER | 
 | 	select NO_IOPORT_MAP | 
 | 	select PINCTRL | 
 | 	select PM_GENERIC_DOMAINS if PM | 
 | 	select SH_CLK_CPG | 
 | 	select SPARSE_IRQ | 
 | 	help | 
 | 	  Support for Renesas ARM SoC platforms using a non-multiplatform | 
 | 	  kernel. This includes the SH-Mobile, R-Mobile, EMMA-Mobile, R-Car | 
 | 	  and RZ families. | 
 |  | 
 | config ARCH_RPC | 
 | 	bool "RiscPC" | 
 | 	select ARCH_ACORN | 
 | 	select ARCH_MAY_HAVE_PC_FDC | 
 | 	select ARCH_SPARSEMEM_ENABLE | 
 | 	select ARCH_USES_GETTIMEOFFSET | 
 | 	select CPU_SA110 | 
 | 	select FIQ | 
 | 	select HAVE_IDE | 
 | 	select HAVE_PATA_PLATFORM | 
 | 	select ISA_DMA_API | 
 | 	select NEED_MACH_IO_H | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	select NO_IOPORT_MAP | 
 | 	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. | 
 |  | 
 | config ARCH_SA1100 | 
 | 	bool "SA1100-based" | 
 | 	select ARCH_MTD_XIP | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARCH_SPARSEMEM_ENABLE | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_MMIO | 
 | 	select CPU_FREQ | 
 | 	select CPU_SA1100 | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select HAVE_IDE | 
 | 	select ISA | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	select SPARSE_IRQ | 
 | 	help | 
 | 	  Support for StrongARM 11x0 based boards. | 
 |  | 
 | config ARCH_S3C24XX | 
 | 	bool "Samsung S3C24XX SoCs" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ATAGS | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_SAMSUNG_PWM | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GPIO_SAMSUNG | 
 | 	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_IO_H | 
 | 	select SAMSUNG_ATAGS | 
 | 	help | 
 | 	  Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443 | 
 | 	  and S3C2450 SoCs based systems, such as the Simtec Electronics BAST | 
 | 	  (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the | 
 | 	  Samsung SMDK2410 development board (and derivatives). | 
 |  | 
 | config ARCH_S3C64XX | 
 | 	bool "Samsung S3C64XX" | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select ARM_AMBA | 
 | 	select ARM_VIC | 
 | 	select ATAGS | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_SAMSUNG_PWM | 
 | 	select COMMON_CLK_SAMSUNG | 
 | 	select CPU_V6K | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GPIO_SAMSUNG | 
 | 	select HAVE_S3C2410_I2C if I2C | 
 | 	select HAVE_S3C2410_WATCHDOG if WATCHDOG | 
 | 	select HAVE_TCM | 
 | 	select NO_IOPORT_MAP | 
 | 	select PLAT_SAMSUNG | 
 | 	select PM_GENERIC_DOMAINS if PM | 
 | 	select S3C_DEV_NAND | 
 | 	select S3C_GPIO_TRACK | 
 | 	select SAMSUNG_ATAGS | 
 | 	select SAMSUNG_WAKEMASK | 
 | 	select SAMSUNG_WDT_RESET | 
 | 	help | 
 | 	  Samsung S3C64XX series based systems | 
 |  | 
 | config ARCH_DAVINCI | 
 | 	bool "TI DaVinci" | 
 | 	select ARCH_HAS_HOLES_MEMORYMODEL | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKDEV_LOOKUP | 
 | 	select GENERIC_ALLOCATOR | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	select HAVE_IDE | 
 | 	select TI_PRIV_EDMA | 
 | 	select USE_OF | 
 | 	select ZONE_DMA | 
 | 	help | 
 | 	  Support for TI's DaVinci platform. | 
 |  | 
 | config ARCH_OMAP1 | 
 | 	bool "TI OMAP1" | 
 | 	depends on MMU | 
 | 	select ARCH_HAS_HOLES_MEMORYMODEL | 
 | 	select ARCH_OMAP | 
 | 	select ARCH_REQUIRE_GPIOLIB | 
 | 	select CLKDEV_LOOKUP | 
 | 	select CLKSRC_MMIO | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	select HAVE_IDE | 
 | 	select IRQ_DOMAIN | 
 | 	select NEED_MACH_IO_H if PCCARD | 
 | 	select NEED_MACH_MEMORY_H | 
 | 	help | 
 | 	  Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) | 
 |  | 
 | endchoice | 
 |  | 
 | menu "Multiple platform selection" | 
 | 	depends on ARCH_MULTIPLATFORM | 
 |  | 
 | comment "CPU Core family selection" | 
 |  | 
 | config ARCH_MULTI_V4 | 
 | 	bool "ARMv4 based platforms (FA526)" | 
 | 	depends on !ARCH_MULTI_V6_V7 | 
 | 	select ARCH_MULTI_V4_V5 | 
 | 	select CPU_FA526 | 
 |  | 
 | config ARCH_MULTI_V4T | 
 | 	bool "ARMv4T based platforms (ARM720T, ARM920T, ...)" | 
 | 	depends on !ARCH_MULTI_V6_V7 | 
 | 	select ARCH_MULTI_V4_V5 | 
 | 	select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \ | 
 | 		CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \ | 
 | 		CPU_ARM925T || CPU_ARM940T) | 
 |  | 
 | config ARCH_MULTI_V5 | 
 | 	bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)" | 
 | 	depends on !ARCH_MULTI_V6_V7 | 
 | 	select ARCH_MULTI_V4_V5 | 
 | 	select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \ | 
 | 		CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \ | 
 | 		CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON) | 
 |  | 
 | config ARCH_MULTI_V4_V5 | 
 | 	bool | 
 |  | 
 | config ARCH_MULTI_V6 | 
 | 	bool "ARMv6 based platforms (ARM11)" | 
 | 	select ARCH_MULTI_V6_V7 | 
 | 	select CPU_V6K | 
 |  | 
 | config ARCH_MULTI_V7 | 
 | 	bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)" | 
 | 	default y | 
 | 	select ARCH_MULTI_V6_V7 | 
 | 	select CPU_V7 | 
 | 	select HAVE_SMP | 
 |  | 
 | config ARCH_MULTI_V6_V7 | 
 | 	bool | 
 | 	select MIGHT_HAVE_CACHE_L2X0 | 
 |  | 
 | config ARCH_MULTI_CPU_AUTO | 
 | 	def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7) | 
 | 	select ARCH_MULTI_V5 | 
 |  | 
 | endmenu | 
 |  | 
 | config ARCH_VIRT | 
 | 	bool "Dummy Virtual Machine" if ARCH_MULTI_V7 | 
 | 	select ARM_AMBA | 
 | 	select ARM_GIC | 
 | 	select ARM_PSCI | 
 | 	select HAVE_ARM_ARCH_TIMER | 
 |  | 
 | # | 
 | # This is sorted alphabetically by mach-* pathname.  However, plat-* | 
 | # Kconfigs may be included either alphabetically (according to the | 
 | # plat- suffix) or along side the corresponding mach-* source. | 
 | # | 
 | source "arch/arm/mach-mvebu/Kconfig" | 
 |  | 
 | source "arch/arm/mach-at91/Kconfig" | 
 |  | 
 | source "arch/arm/mach-axxia/Kconfig" | 
 |  | 
 | source "arch/arm/mach-bcm/Kconfig" | 
 |  | 
 | source "arch/arm/mach-berlin/Kconfig" | 
 |  | 
 | source "arch/arm/mach-clps711x/Kconfig" | 
 |  | 
 | source "arch/arm/mach-cns3xxx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-davinci/Kconfig" | 
 |  | 
 | source "arch/arm/mach-dove/Kconfig" | 
 |  | 
 | source "arch/arm/mach-ep93xx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-footbridge/Kconfig" | 
 |  | 
 | source "arch/arm/mach-gemini/Kconfig" | 
 |  | 
 | source "arch/arm/mach-highbank/Kconfig" | 
 |  | 
 | source "arch/arm/mach-hisi/Kconfig" | 
 |  | 
 | source "arch/arm/mach-integrator/Kconfig" | 
 |  | 
 | source "arch/arm/mach-iop32x/Kconfig" | 
 |  | 
 | source "arch/arm/mach-iop33x/Kconfig" | 
 |  | 
 | source "arch/arm/mach-iop13xx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-ixp4xx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-keystone/Kconfig" | 
 |  | 
 | source "arch/arm/mach-ks8695/Kconfig" | 
 |  | 
 | source "arch/arm/mach-meson/Kconfig" | 
 |  | 
 | source "arch/arm/mach-msm/Kconfig" | 
 |  | 
 | source "arch/arm/mach-moxart/Kconfig" | 
 |  | 
 | source "arch/arm/mach-mv78xx0/Kconfig" | 
 |  | 
 | source "arch/arm/mach-imx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-mediatek/Kconfig" | 
 |  | 
 | source "arch/arm/mach-mxs/Kconfig" | 
 |  | 
 | source "arch/arm/mach-netx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-nomadik/Kconfig" | 
 |  | 
 | source "arch/arm/mach-nspire/Kconfig" | 
 |  | 
 | source "arch/arm/plat-omap/Kconfig" | 
 |  | 
 | source "arch/arm/mach-omap1/Kconfig" | 
 |  | 
 | source "arch/arm/mach-omap2/Kconfig" | 
 |  | 
 | source "arch/arm/mach-orion5x/Kconfig" | 
 |  | 
 | source "arch/arm/mach-picoxcell/Kconfig" | 
 |  | 
 | source "arch/arm/mach-pxa/Kconfig" | 
 | source "arch/arm/plat-pxa/Kconfig" | 
 |  | 
 | source "arch/arm/mach-mmp/Kconfig" | 
 |  | 
 | source "arch/arm/mach-qcom/Kconfig" | 
 |  | 
 | source "arch/arm/mach-realview/Kconfig" | 
 |  | 
 | source "arch/arm/mach-rockchip/Kconfig" | 
 |  | 
 | source "arch/arm/mach-sa1100/Kconfig" | 
 |  | 
 | source "arch/arm/mach-socfpga/Kconfig" | 
 |  | 
 | source "arch/arm/mach-spear/Kconfig" | 
 |  | 
 | source "arch/arm/mach-sti/Kconfig" | 
 |  | 
 | source "arch/arm/mach-s3c24xx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-s3c64xx/Kconfig" | 
 |  | 
 | source "arch/arm/mach-s5pv210/Kconfig" | 
 |  | 
 | source "arch/arm/mach-exynos/Kconfig" | 
 | source "arch/arm/plat-samsung/Kconfig" | 
 |  | 
 | source "arch/arm/mach-shmobile/Kconfig" | 
 |  | 
 | source "arch/arm/mach-sunxi/Kconfig" | 
 |  | 
 | source "arch/arm/mach-prima2/Kconfig" | 
 |  | 
 | source "arch/arm/mach-tegra/Kconfig" | 
 |  | 
 | source "arch/arm/mach-u300/Kconfig" | 
 |  | 
 | source "arch/arm/mach-ux500/Kconfig" | 
 |  | 
 | source "arch/arm/mach-versatile/Kconfig" | 
 |  | 
 | source "arch/arm/mach-vexpress/Kconfig" | 
 | source "arch/arm/plat-versatile/Kconfig" | 
 |  | 
 | source "arch/arm/mach-vt8500/Kconfig" | 
 |  | 
 | source "arch/arm/mach-w90x900/Kconfig" | 
 |  | 
 | source "arch/arm/mach-zynq/Kconfig" | 
 |  | 
 | # Definitions to make life easier | 
 | config ARCH_ACORN | 
 | 	bool | 
 |  | 
 | config PLAT_IOP | 
 | 	bool | 
 | 	select GENERIC_CLOCKEVENTS | 
 |  | 
 | config PLAT_ORION | 
 | 	bool | 
 | 	select CLKSRC_MMIO | 
 | 	select COMMON_CLK | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	select IRQ_DOMAIN | 
 |  | 
 | config PLAT_ORION_LEGACY | 
 | 	bool | 
 | 	select PLAT_ORION | 
 |  | 
 | config PLAT_PXA | 
 | 	bool | 
 |  | 
 | config PLAT_VERSATILE | 
 | 	bool | 
 |  | 
 | config ARM_TIMER_SP804 | 
 | 	bool | 
 | 	select CLKSRC_MMIO | 
 | 	select CLKSRC_OF if OF | 
 |  | 
 | source "arch/arm/firmware/Kconfig" | 
 |  | 
 | source arch/arm/mm/Kconfig | 
 |  | 
 | config IWMMXT | 
 | 	bool "Enable iWMMXt support" | 
 | 	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B | 
 | 	default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B | 
 | 	help | 
 | 	  Enable support for iWMMXt context switching at run time if | 
 | 	  running on a CPU that supports it. | 
 |  | 
 | config MULTI_IRQ_HANDLER | 
 | 	bool | 
 | 	help | 
 | 	  Allow each machine to specify it's own IRQ handler at run time. | 
 |  | 
 | if !MMU | 
 | source "arch/arm/Kconfig-nommu" | 
 | endif | 
 |  | 
 | config PJ4B_ERRATA_4742 | 
 | 	bool "PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation" | 
 | 	depends on CPU_PJ4B && MACH_ARMADA_370 | 
 | 	default y | 
 | 	help | 
 | 	  When coming out of either a Wait for Interrupt (WFI) or a Wait for | 
 | 	  Event (WFE) IDLE states, a specific timing sensitivity exists between | 
 | 	  the retiring WFI/WFE instructions and the newly issued subsequent | 
 | 	  instructions.  This sensitivity can result in a CPU hang scenario. | 
 | 	  Workaround: | 
 | 	  The software must insert either a Data Synchronization Barrier (DSB) | 
 | 	  or Data Memory Barrier (DMB) command immediately after the WFI/WFE | 
 | 	  instruction | 
 |  | 
 | config ARM_ERRATA_326103 | 
 | 	bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory" | 
 | 	depends on CPU_V6 | 
 | 	help | 
 | 	  Executing a SWP instruction to read-only memory does not set bit 11 | 
 | 	  of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to | 
 | 	  treat the access as a read, preventing a COW from occurring and | 
 | 	  causing the faulting task to livelock. | 
 |  | 
 | config ARM_ERRATA_411920 | 
 | 	bool "ARM errata: Invalidation of the Instruction Cache operation can fail" | 
 | 	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. | 
 | 	  It does not affect the MPCore. This option enables the ARM Ltd. | 
 | 	  recommended workaround. | 
 |  | 
 | config ARM_ERRATA_430973 | 
 | 	bool "ARM errata: Stale prediction on replaced interworking branch" | 
 | 	depends on CPU_V7 | 
 | 	help | 
 | 	  This option enables the workaround for the 430973 Cortex-A8 | 
 | 	  (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb | 
 | 	  interworking branch is replaced with another code sequence at the | 
 | 	  same virtual address, whether due to self-modifying code or virtual | 
 | 	  to physical address re-mapping, Cortex-A8 does not recover from the | 
 | 	  stale interworking branch prediction. This results in Cortex-A8 | 
 | 	  executing the new code sequence in the incorrect ARM or Thumb state. | 
 | 	  The workaround enables the BTB/BTAC operations by setting ACTLR.IBE | 
 | 	  and also flushes the branch target cache at every context switch. | 
 | 	  Note that setting specific bits in the ACTLR register may not be | 
 | 	  available in non-secure mode. | 
 |  | 
 | 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 | 
 | 	  possible for a hazard condition intended for a cache line to instead | 
 | 	  be incorrectly associated with a different cache line. This false | 
 | 	  hazard might then cause a processor deadlock. The workaround enables | 
 | 	  the L1 caching of the NEON accesses and disables the PLD instruction | 
 | 	  in the ACTLR register. Note that setting specific bits in the ACTLR | 
 | 	  register may not be available in non-secure mode. | 
 |  | 
 | 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 | 
 | 	  situation in which recent store transactions to the L2 cache are lost | 
 | 	  and overwritten with stale memory contents from external memory. The | 
 | 	  workaround disables the write-allocate mode for the L2 cache via the | 
 | 	  ACTLR register. Note that setting specific bits in the ACTLR register | 
 | 	  may not be available in non-secure mode. | 
 |  | 
 | 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 | 
 | 	  between two write operations may not ensure the correct visibility | 
 | 	  ordering of the two writes. This workaround sets a specific bit in | 
 | 	  the diagnostic register of the Cortex-A9 which causes the DMB | 
 | 	  instruction to behave as a DSB, ensuring the correct behaviour of | 
 | 	  the two writes. | 
 |  | 
 | 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 | 
 | 	  Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode, | 
 | 	  accessing some data located in the same cache line, may get corrupted | 
 | 	  data due to bad handling of the address hazard when the line gets | 
 | 	  replaced from one of the CPUs at the same time as another CPU is | 
 | 	  accessing it. This workaround sets specific bits in the diagnostic | 
 | 	  register of the Cortex-A9 which reduces the linefill issuing | 
 | 	  capabilities of the processor. | 
 |  | 
 | config ARM_ERRATA_643719 | 
 | 	bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" | 
 | 	depends on CPU_V7 && SMP | 
 | 	help | 
 | 	  This option enables the workaround for the 643719 Cortex-A9 (prior to | 
 | 	  r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR | 
 | 	  register returns zero when it should return one. The workaround | 
 | 	  corrects this value, ensuring cache maintenance operations which use | 
 | 	  it behave as intended and avoiding data corruption. | 
 |  | 
 | config ARM_ERRATA_720789 | 
 | 	bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID" | 
 | 	depends on CPU_V7 | 
 | 	help | 
 | 	  This option enables the workaround for the 720789 Cortex-A9 (prior to | 
 | 	  r2p0) erratum. A faulty ASID can be sent to the other CPUs for the | 
 | 	  broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS. | 
 | 	  As a consequence of this erratum, some TLB entries which should be | 
 | 	  invalidated are not, resulting in an incoherency in the system page | 
 | 	  tables. The workaround changes the TLB flushing routines to invalidate | 
 | 	  entries regardless of the ASID. | 
 |  | 
 | 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 | 
 | 	  optimisation in the Cortex-A9 Store Buffer may lead to data | 
 | 	  corruption. This workaround sets a specific bit in the diagnostic | 
 | 	  register of the Cortex-A9 which disables the Store Buffer | 
 | 	  optimisation, preventing the defect from occurring. This has no | 
 | 	  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 | 
 | 	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 | 
 | 	  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_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. | 
 |  | 
 | config ARM_ERRATA_364296 | 
 | 	bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" | 
 | 	depends on CPU_V6 | 
 | 	help | 
 | 	  This options enables the workaround for the 364296 ARM1136 | 
 | 	  r0p2 erratum (possible cache data corruption with | 
 | 	  hit-under-miss enabled). It sets the undocumented bit 31 in | 
 | 	  the auxiliary control register and the FI bit in the control | 
 | 	  register, thus disabling hit-under-miss without putting the | 
 | 	  processor into full low interrupt latency mode. ARM11MPCore | 
 | 	  is not affected. | 
 |  | 
 | config ARM_ERRATA_764369 | 
 | 	bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" | 
 | 	depends on CPU_V7 && SMP | 
 | 	help | 
 | 	  This option enables the workaround for erratum 764369 | 
 | 	  affecting Cortex-A9 MPCore with two or more processors (all | 
 | 	  current revisions). Under certain timing circumstances, a data | 
 | 	  cache line maintenance operation by MVA targeting an Inner | 
 | 	  Shareable memory region may fail to proceed up to either the | 
 | 	  Point of Coherency or to the Point of Unification of the | 
 | 	  system. This workaround adds a DSB instruction before the | 
 | 	  relevant cache maintenance functions and sets a specific bit | 
 | 	  in the diagnostic control register of the SCU. | 
 |  | 
 | config ARM_ERRATA_775420 | 
 |        bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" | 
 |        depends on CPU_V7 | 
 |        help | 
 | 	 This option enables the workaround for the 775420 Cortex-A9 (r2p2, | 
 | 	 r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance | 
 | 	 operation aborts with MMU exception, it might cause the processor | 
 | 	 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. | 
 |  | 
 | config ARM_ERRATA_773022 | 
 | 	bool "ARM errata: incorrect instructions may be executed from loop buffer" | 
 | 	depends on CPU_V7 | 
 | 	help | 
 | 	  This option enables the workaround for the 773022 Cortex-A15 | 
 | 	  (up to r0p4) erratum. In certain rare sequences of code, the | 
 | 	  loop buffer may deliver incorrect instructions. This | 
 | 	  workaround disables the loop buffer to avoid the erratum. | 
 |  | 
 | endmenu | 
 |  | 
 | source "arch/arm/common/Kconfig" | 
 |  | 
 | menu "Bus support" | 
 |  | 
 | config ARM_AMBA | 
 | 	bool | 
 |  | 
 | config ISA | 
 | 	bool | 
 | 	help | 
 | 	  Find out whether you have ISA slots on your motherboard.  ISA is the | 
 | 	  name of a bus system, i.e. the way the CPU talks to the other stuff | 
 | 	  inside your box.  Other bus systems are PCI, EISA, MicroChannel | 
 | 	  (MCA) or VESA.  ISA is an older system, now being displaced by PCI; | 
 | 	  newer boards don't support it.  If you have ISA, say Y, otherwise N. | 
 |  | 
 | # Select ISA DMA controller support | 
 | config ISA_DMA | 
 | 	bool | 
 | 	select ISA_DMA_API | 
 |  | 
 | # Select ISA DMA interface | 
 | config ISA_DMA_API | 
 | 	bool | 
 |  | 
 | config PCI | 
 | 	bool "PCI support" if MIGHT_HAVE_PCI | 
 | 	help | 
 | 	  Find out whether you have a PCI motherboard. PCI is the name of a | 
 | 	  bus system, i.e. the way the CPU talks to the other stuff inside | 
 | 	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or | 
 | 	  VESA. If you have PCI, say Y, otherwise N. | 
 |  | 
 | config PCI_DOMAINS | 
 | 	bool | 
 | 	depends on PCI | 
 |  | 
 | config PCI_NANOENGINE | 
 | 	bool "BSE nanoEngine PCI support" | 
 | 	depends on SA1100_NANOENGINE | 
 | 	help | 
 | 	  Enable PCI on the BSE nanoEngine board. | 
 |  | 
 | config PCI_SYSCALL | 
 | 	def_bool PCI | 
 |  | 
 | config PCI_HOST_ITE8152 | 
 | 	bool | 
 | 	depends on PCI && MACH_ARMCORE | 
 | 	default y | 
 | 	select DMABOUNCE | 
 |  | 
 | source "drivers/pci/Kconfig" | 
 | source "drivers/pci/pcie/Kconfig" | 
 |  | 
 | source "drivers/pcmcia/Kconfig" | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Kernel Features" | 
 |  | 
 | config HAVE_SMP | 
 | 	bool | 
 | 	help | 
 | 	  This option should be selected by machines which have an SMP- | 
 | 	  capable CPU. | 
 |  | 
 | 	  The only effect of this option is to make the SMP-related | 
 | 	  options available to the user for configuration. | 
 |  | 
 | config SMP | 
 | 	bool "Symmetric Multi-Processing" | 
 | 	depends on CPU_V6K || CPU_V7 | 
 | 	depends on GENERIC_CLOCKEVENTS | 
 | 	depends on HAVE_SMP | 
 | 	depends on MMU || ARM_MPU | 
 | 	help | 
 | 	  This enables support for systems with more than one CPU. If you have | 
 | 	  a system with only one CPU, say N. If you have a system with more | 
 | 	  than one CPU, say Y. | 
 |  | 
 | 	  If you say N here, the kernel will run on uni- and multiprocessor | 
 | 	  machines, but will use only one CPU of a multiprocessor machine. If | 
 | 	  you say Y here, the kernel will run on many, but not all, | 
 | 	  uniprocessor machines. On a uniprocessor machine, the kernel | 
 | 	  will run faster if you say N here. | 
 |  | 
 | 	  See also <file:Documentation/x86/i386/IO-APIC.txt>, | 
 | 	  <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at | 
 | 	  <http://tldp.org/HOWTO/SMP-HOWTO.html>. | 
 |  | 
 | 	  If you don't know what to do here, say N. | 
 |  | 
 | config SMP_ON_UP | 
 | 	bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" | 
 | 	depends on SMP && !XIP_KERNEL && MMU | 
 | 	default y | 
 | 	help | 
 | 	  SMP kernels contain instructions which fail on non-SMP processors. | 
 | 	  Enabling this option allows the kernel to modify itself to make | 
 | 	  these instructions safe.  Disabling it allows about 1K of space | 
 | 	  savings. | 
 |  | 
 | 	  If you don't know what to do here, say Y. | 
 |  | 
 | config ARM_CPU_TOPOLOGY | 
 | 	bool "Support cpu topology definition" | 
 | 	depends on SMP && CPU_V7 | 
 | 	default y | 
 | 	help | 
 | 	  Support ARM cpu topology definition. The MPIDR register defines | 
 | 	  affinity between processors which is then used to describe the cpu | 
 | 	  topology of an ARM System. | 
 |  | 
 | config SCHED_MC | 
 | 	bool "Multi-core scheduler support" | 
 | 	depends on ARM_CPU_TOPOLOGY | 
 | 	help | 
 | 	  Multi-core scheduler support improves the CPU scheduler's decision | 
 | 	  making when dealing with multi-core CPU chips at a cost of slightly | 
 | 	  increased overhead in some places. If unsure say N here. | 
 |  | 
 | config SCHED_SMT | 
 | 	bool "SMT scheduler support" | 
 | 	depends on ARM_CPU_TOPOLOGY | 
 | 	help | 
 | 	  Improves the CPU scheduler's decision making when dealing with | 
 | 	  MultiThreading at a cost of slightly increased overhead in some | 
 | 	  places. If unsure say N here. | 
 |  | 
 | config HAVE_ARM_SCU | 
 | 	bool | 
 | 	help | 
 | 	  This option enables support for the ARM system coherency unit | 
 |  | 
 | config HAVE_ARM_ARCH_TIMER | 
 | 	bool "Architected timer support" | 
 | 	depends on CPU_V7 | 
 | 	select ARM_ARCH_TIMER | 
 | 	select GENERIC_CLOCKEVENTS | 
 | 	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. | 
 |  | 
 | config MCPM_QUAD_CLUSTER | 
 | 	bool | 
 | 	depends on MCPM | 
 | 	help | 
 | 	  To avoid wasting resources unnecessarily, MCPM only supports up | 
 | 	  to 2 clusters by default. | 
 | 	  Platforms with 3 or 4 clusters that use MCPM must select this | 
 | 	  option to allow the additional clusters to be managed. | 
 |  | 
 | config BIG_LITTLE | 
 | 	bool "big.LITTLE support (Experimental)" | 
 | 	depends on CPU_V7 && SMP | 
 | 	select MCPM | 
 | 	help | 
 | 	  This option enables support selections for the big.LITTLE | 
 | 	  system architecture. | 
 |  | 
 | config BL_SWITCHER | 
 | 	bool "big.LITTLE switcher support" | 
 | 	depends on BIG_LITTLE && MCPM && HOTPLUG_CPU | 
 | 	select ARM_CPU_SUSPEND | 
 | 	select CPU_PM | 
 | 	help | 
 | 	  The big.LITTLE "switcher" provides the core functionality to | 
 | 	  transparently handle transition between a cluster of A15's | 
 | 	  and a cluster of A7's in a big.LITTLE system. | 
 |  | 
 | config BL_SWITCHER_DUMMY_IF | 
 | 	tristate "Simple big.LITTLE switcher user interface" | 
 | 	depends on BL_SWITCHER && DEBUG_KERNEL | 
 | 	help | 
 | 	  This is a simple and dummy char dev interface to control | 
 | 	  the big.LITTLE switcher core code.  It is meant for | 
 | 	  debugging purposes only. | 
 |  | 
 | choice | 
 | 	prompt "Memory split" | 
 | 	depends on MMU | 
 | 	default VMSPLIT_3G | 
 | 	help | 
 | 	  Select the desired split between kernel and user memory. | 
 |  | 
 | 	  If you are not absolutely sure what you are doing, leave this | 
 | 	  option alone! | 
 |  | 
 | 	config VMSPLIT_3G | 
 | 		bool "3G/1G user/kernel split" | 
 | 	config VMSPLIT_2G | 
 | 		bool "2G/2G user/kernel split" | 
 | 	config VMSPLIT_1G | 
 | 		bool "1G/3G user/kernel split" | 
 | endchoice | 
 |  | 
 | config PAGE_OFFSET | 
 | 	hex | 
 | 	default PHYS_OFFSET if !MMU | 
 | 	default 0x40000000 if VMSPLIT_1G | 
 | 	default 0x80000000 if VMSPLIT_2G | 
 | 	default 0xC0000000 | 
 |  | 
 | config NR_CPUS | 
 | 	int "Maximum number of CPUs (2-32)" | 
 | 	range 2 32 | 
 | 	depends on SMP | 
 | 	default "4" | 
 |  | 
 | config HOTPLUG_CPU | 
 | 	bool "Support for hot-pluggable CPUs" | 
 | 	depends on SMP | 
 | 	help | 
 | 	  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"). | 
 |  | 
 | # 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 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \ | 
 | 		SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 | 
 | 	default 416 if ARCH_SUNXI | 
 | 	default 392 if ARCH_U8500 | 
 | 	default 352 if ARCH_VT8500 | 
 | 	default 288 if ARCH_ROCKCHIP | 
 | 	default 264 if MACH_H4700 | 
 | 	default 0 | 
 | 	help | 
 | 	  Maximum number of GPIOs in the system. | 
 |  | 
 | 	  If unsure, leave the default value. | 
 |  | 
 | source kernel/Kconfig.preempt | 
 |  | 
 | config HZ_FIXED | 
 | 	int | 
 | 	default 200 if ARCH_EBSA110 || ARCH_S3C24XX || \ | 
 | 		ARCH_S5PV210 || ARCH_EXYNOS4 | 
 | 	default AT91_TIMER_HZ if ARCH_AT91 | 
 | 	default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE_LEGACY | 
 | 	default 0 | 
 |  | 
 | choice | 
 | 	depends on HZ_FIXED = 0 | 
 | 	prompt "Timer frequency" | 
 |  | 
 | config HZ_100 | 
 | 	bool "100 Hz" | 
 |  | 
 | config HZ_200 | 
 | 	bool "200 Hz" | 
 |  | 
 | config HZ_250 | 
 | 	bool "250 Hz" | 
 |  | 
 | config HZ_300 | 
 | 	bool "300 Hz" | 
 |  | 
 | config HZ_500 | 
 | 	bool "500 Hz" | 
 |  | 
 | config HZ_1000 | 
 | 	bool "1000 Hz" | 
 |  | 
 | endchoice | 
 |  | 
 | config HZ | 
 | 	int | 
 | 	default HZ_FIXED if HZ_FIXED != 0 | 
 | 	default 100 if HZ_100 | 
 | 	default 200 if HZ_200 | 
 | 	default 250 if HZ_250 | 
 | 	default 300 if HZ_300 | 
 | 	default 500 if HZ_500 | 
 | 	default 1000 | 
 |  | 
 | config SCHED_HRTICK | 
 | 	def_bool HIGH_RES_TIMERS | 
 |  | 
 | config THUMB2_KERNEL | 
 | 	bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY | 
 | 	depends on (CPU_V7 || CPU_V7M) && !CPU_V6 && !CPU_V6K | 
 | 	default y if CPU_THUMBONLY | 
 | 	select AEABI | 
 | 	select ARM_ASM_UNIFIED | 
 | 	select ARM_UNWIND | 
 | 	help | 
 | 	  By enabling this option, the kernel will be compiled in | 
 | 	  Thumb-2 mode. A compiler/assembler that understand the unified | 
 | 	  ARM-Thumb syntax is needed. | 
 |  | 
 | 	  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 | 
 |  | 
 | config AEABI | 
 | 	bool "Use the ARM EABI to compile the kernel" | 
 | 	help | 
 | 	  This option allows for the kernel to be compiled using the latest | 
 | 	  ARM ABI (aka EABI).  This is only useful if you are using a user | 
 | 	  space environment that is also compiled with EABI. | 
 |  | 
 | 	  Since there are major incompatibilities between the legacy ABI and | 
 | 	  EABI, especially with regard to structure member alignment, this | 
 | 	  option also changes the kernel syscall calling convention to | 
 | 	  disambiguate both ABIs and allow for backward compatibility support | 
 | 	  (selected with CONFIG_OABI_COMPAT). | 
 |  | 
 | 	  To use this you need GCC version 4.0.0 or later. | 
 |  | 
 | config OABI_COMPAT | 
 | 	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" | 
 | 	depends on AEABI && !THUMB2_KERNEL | 
 | 	help | 
 | 	  This option preserves the old syscall interface along with the | 
 | 	  new (ARM EABI) one. It also provides a compatibility layer to | 
 | 	  intercept syscalls that have structure arguments which layout | 
 | 	  in memory differs between the legacy ABI and the new ARM EABI | 
 | 	  (only for non "thumb" binaries). This option adds a tiny | 
 | 	  overhead to all syscalls and produces a slightly larger kernel. | 
 |  | 
 | 	  The seccomp filter system will not be available when this is | 
 | 	  selected, since there is no way yet to sensibly distinguish | 
 | 	  between calling conventions during filtering. | 
 |  | 
 | 	  If you know you'll be using only pure EABI user space then you | 
 | 	  can say N here. If this option is not selected and you attempt | 
 | 	  to execute a legacy ABI binary then the result will be | 
 | 	  UNPREDICTABLE (in fact it can be predicted that it won't work | 
 | 	  at all). If in doubt say N. | 
 |  | 
 | config ARCH_HAS_HOLES_MEMORYMODEL | 
 | 	bool | 
 |  | 
 | config ARCH_SPARSEMEM_ENABLE | 
 | 	bool | 
 |  | 
 | config ARCH_SPARSEMEM_DEFAULT | 
 | 	def_bool ARCH_SPARSEMEM_ENABLE | 
 |  | 
 | config ARCH_SELECT_MEMORY_MODEL | 
 | 	def_bool ARCH_SPARSEMEM_ENABLE | 
 |  | 
 | config HAVE_ARCH_PFN_VALID | 
 | 	def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | 
 |  | 
 | config HAVE_GENERIC_RCU_GUP | 
 | 	def_bool y | 
 | 	depends on ARM_LPAE | 
 |  | 
 | config HIGHMEM | 
 | 	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 | 
 | 	  space as well as some memory mapped IO. That means that, if you | 
 | 	  have a large amount of physical memory and/or IO, not all of the | 
 | 	  memory can be "permanently mapped" by the kernel. The physical | 
 | 	  memory that is not permanently mapped is called "high memory". | 
 |  | 
 | 	  Depending on the selected kernel/user memory split, minimum | 
 | 	  vmalloc space and actual amount of RAM, you may not need this | 
 | 	  option which should result in a slightly faster kernel. | 
 |  | 
 | 	  If unsure, say n. | 
 |  | 
 | config HIGHPTE | 
 | 	bool "Allocate 2nd-level pagetables from highmem" | 
 | 	depends on HIGHMEM | 
 |  | 
 | config HW_PERF_EVENTS | 
 | 	bool "Enable hardware performance counter support for perf events" | 
 | 	depends on PERF_EVENTS | 
 | 	default y | 
 | 	help | 
 | 	  Enable hardware performance counter support for perf events. If | 
 | 	  disabled, perf events will use software events only. | 
 |  | 
 | config SYS_SUPPORTS_HUGETLBFS | 
 |        def_bool y | 
 |        depends on ARM_LPAE | 
 |  | 
 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE | 
 |        def_bool y | 
 |        depends on ARM_LPAE | 
 |  | 
 | config ARCH_WANT_GENERAL_HUGETLB | 
 | 	def_bool y | 
 |  | 
 | source "mm/Kconfig" | 
 |  | 
 | config FORCE_MAX_ZONEORDER | 
 | 	int "Maximum zone order" if ARCH_SHMOBILE_LEGACY | 
 | 	range 11 64 if ARCH_SHMOBILE_LEGACY | 
 | 	default "12" if SOC_AM33XX | 
 | 	default "9" if SA1111 || ARCH_EFM32 | 
 | 	default "11" | 
 | 	help | 
 | 	  The kernel memory allocator divides physically contiguous memory | 
 | 	  blocks into "zones", where each zone is a power of two number of | 
 | 	  pages.  This option selects the largest power of two that the kernel | 
 | 	  keeps in the memory allocator.  If you need to allocate very large | 
 | 	  blocks of physically contiguous memory, then you may need to | 
 | 	  increase this value. | 
 |  | 
 | 	  This config option is actually maximum order plus one. For example, | 
 | 	  a value of 11 means that the largest free memory block is 2^10 pages. | 
 |  | 
 | config ALIGNMENT_TRAP | 
 | 	bool | 
 | 	depends on CPU_CP15_MMU | 
 | 	default y if !ARCH_EBSA110 | 
 | 	select HAVE_PROC_CPU if PROC_FS | 
 | 	help | 
 | 	  ARM processors cannot fetch/store information which is not | 
 | 	  naturally aligned on the bus, i.e., a 4 byte fetch must start at an | 
 | 	  address divisible by 4. On 32-bit ARM processors, these non-aligned | 
 | 	  fetch/store instructions will be emulated in software if you say | 
 | 	  here, which has a severe performance impact. This is necessary for | 
 | 	  correct operation of some network protocols. With an IP-only | 
 | 	  configuration it is safe to say N, otherwise say Y. | 
 |  | 
 | config UACCESS_WITH_MEMCPY | 
 | 	bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()" | 
 | 	depends on MMU | 
 | 	default y if CPU_FEROCEON | 
 | 	help | 
 | 	  Implement faster copy_to_user and clear_user methods for CPU | 
 | 	  cores where a 8-word STM instruction give significantly higher | 
 | 	  memory write throughput than a sequence of individual 32bit stores. | 
 |  | 
 | 	  A possible side effect is a slight increase in scheduling latency | 
 | 	  between threads sharing the same address space if they invoke | 
 | 	  such copy operations with large buffers. | 
 |  | 
 | 	  However, if the CPU data cache is using a write-allocate mode, | 
 | 	  this option is unlikely to provide any performance gain. | 
 |  | 
 | config SECCOMP | 
 | 	bool | 
 | 	prompt "Enable seccomp to safely compute untrusted bytecode" | 
 | 	---help--- | 
 | 	  This kernel feature is useful for number crunching applications | 
 | 	  that may need to compute untrusted bytecode during their | 
 | 	  execution. By using pipes or other transports made available to | 
 | 	  the process as file descriptors supporting the read/write | 
 | 	  syscalls, it's possible to isolate those applications in | 
 | 	  their own address space using seccomp. Once seccomp is | 
 | 	  enabled via prctl(PR_SET_SECCOMP), it cannot be disabled | 
 | 	  and the task is only allowed to execute a few safe syscalls | 
 | 	  defined by each seccomp mode. | 
 |  | 
 | config SWIOTLB | 
 | 	def_bool y | 
 |  | 
 | config IOMMU_HELPER | 
 | 	def_bool SWIOTLB | 
 |  | 
 | config XEN_DOM0 | 
 | 	def_bool y | 
 | 	depends on XEN | 
 |  | 
 | config XEN | 
 | 	bool "Xen guest support on ARM" | 
 | 	depends on ARM && AEABI && OF | 
 | 	depends on CPU_V7 && !CPU_V6 | 
 | 	depends on !GENERIC_ATOMIC64 | 
 | 	depends on MMU | 
 | 	select ARCH_DMA_ADDR_T_64BIT | 
 | 	select ARM_PSCI | 
 | 	select SWIOTLB_XEN | 
 | 	help | 
 | 	  Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Boot options" | 
 |  | 
 | config USE_OF | 
 | 	bool "Flattened Device Tree support" | 
 | 	select IRQ_DOMAIN | 
 | 	select OF | 
 | 	select OF_EARLY_FLATTREE | 
 | 	select OF_RESERVED_MEM | 
 | 	help | 
 | 	  Include support for flattened device tree machine descriptions. | 
 |  | 
 | config ATAGS | 
 | 	bool "Support for the traditional ATAGS boot data passing" if USE_OF | 
 | 	default y | 
 | 	help | 
 | 	  This is the traditional way of passing data to the kernel at boot | 
 | 	  time. If you are solely relying on the flattened device tree (or | 
 | 	  the ARM_ATAG_DTB_COMPAT option) then you may unselect this option | 
 | 	  to remove ATAGS support from your kernel binary.  If unsure, | 
 | 	  leave this to y. | 
 |  | 
 | config DEPRECATED_PARAM_STRUCT | 
 | 	bool "Provide old way to pass kernel parameters" | 
 | 	depends on ATAGS | 
 | 	help | 
 | 	  This was deprecated in 2001 and announced to live on for 5 years. | 
 | 	  Some old boot loaders still use this way. | 
 |  | 
 | # 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 | 
 | 	hex "Compressed ROM boot loader base address" | 
 | 	default "0" | 
 | 	help | 
 | 	  The physical address at which the ROM-able zImage is to be | 
 | 	  placed in the target.  Platforms which normally make use of | 
 | 	  ROM-able zImage formats normally set this to a suitable | 
 | 	  value in their defconfig file. | 
 |  | 
 | 	  If ZBOOT_ROM is not enabled, this has no effect. | 
 |  | 
 | config ZBOOT_ROM_BSS | 
 | 	hex "Compressed ROM boot loader BSS address" | 
 | 	default "0" | 
 | 	help | 
 | 	  The base address of an area of read/write memory in the target | 
 | 	  for the ROM-able zImage which must be available while the | 
 | 	  decompressor is running. It must be large enough to hold the | 
 | 	  entire decompressed kernel plus an additional 128 KiB. | 
 | 	  Platforms which normally make use of ROM-able zImage formats | 
 | 	  normally set this to a suitable value in their defconfig file. | 
 |  | 
 | 	  If ZBOOT_ROM is not enabled, this has no effect. | 
 |  | 
 | config ZBOOT_ROM | 
 | 	bool "Compressed boot loader in ROM/flash" | 
 | 	depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS | 
 | 	depends on !ARM_APPENDED_DTB && !XIP_KERNEL && !AUTO_ZRELADDR | 
 | 	help | 
 | 	  Say Y here if you intend to execute your compressed kernel image | 
 | 	  (zImage) directly from ROM or flash.  If unsure, say N. | 
 |  | 
 | choice | 
 | 	prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)" | 
 | 	depends on ZBOOT_ROM && ARCH_SH7372 | 
 | 	default ZBOOT_ROM_NONE | 
 | 	help | 
 | 	  Include experimental SD/MMC loading code in the ROM-able zImage. | 
 | 	  With this enabled it is possible to write the ROM-able zImage | 
 | 	  kernel image to an MMC or SD card and boot the kernel straight | 
 | 	  from the reset vector. At reset the processor Mask ROM will load | 
 | 	  the first part of the ROM-able zImage which in turn loads the | 
 | 	  rest the kernel image to RAM. | 
 |  | 
 | config ZBOOT_ROM_NONE | 
 | 	bool "No SD/MMC loader in zImage (EXPERIMENTAL)" | 
 | 	help | 
 | 	  Do not load image from SD or MMC | 
 |  | 
 | config ZBOOT_ROM_MMCIF | 
 | 	bool "Include MMCIF loader in zImage (EXPERIMENTAL)" | 
 | 	help | 
 | 	  Load image from MMCIF hardware block. | 
 |  | 
 | config ZBOOT_ROM_SH_MOBILE_SDHI | 
 | 	bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)" | 
 | 	help | 
 | 	  Load image from SDHI hardware block | 
 |  | 
 | endchoice | 
 |  | 
 | config ARM_APPENDED_DTB | 
 | 	bool "Use appended device tree blob to zImage (EXPERIMENTAL)" | 
 | 	depends on OF | 
 | 	help | 
 | 	  With this option, the boot code will look for a device tree binary | 
 | 	  (DTB) appended to zImage | 
 | 	  (e.g. cat zImage <filename>.dtb > zImage_w_dtb). | 
 |  | 
 | 	  This is meant as a backward compatibility convenience for those | 
 | 	  systems with a bootloader that can't be upgraded to accommodate | 
 | 	  the documented boot protocol using a device tree. | 
 |  | 
 | 	  Beware that there is very little in terms of protection against | 
 | 	  this option being confused by leftover garbage in memory that might | 
 | 	  look like a DTB header after a reboot if no actual DTB is appended | 
 | 	  to zImage.  Do not leave this option active in a production kernel | 
 | 	  if you don't intend to always append a DTB.  Proper passing of the | 
 | 	  location into r2 of a bootloader provided DTB is always preferable | 
 | 	  to this option. | 
 |  | 
 | config ARM_ATAG_DTB_COMPAT | 
 | 	bool "Supplement the appended DTB with traditional ATAG information" | 
 | 	depends on ARM_APPENDED_DTB | 
 | 	help | 
 | 	  Some old bootloaders can't be updated to a DTB capable one, yet | 
 | 	  they provide ATAGs with memory configuration, the ramdisk address, | 
 | 	  the kernel cmdline string, etc.  Such information is dynamically | 
 | 	  provided by the bootloader and can't always be stored in a static | 
 | 	  DTB.  To allow a device tree enabled kernel to be used with such | 
 | 	  bootloaders, this option allows zImage to extract the information | 
 | 	  from the ATAG list and store it at run time into the appended DTB. | 
 |  | 
 | choice | 
 | 	prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT | 
 | 	default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER | 
 |  | 
 | config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER | 
 | 	bool "Use bootloader kernel arguments if available" | 
 | 	help | 
 | 	  Uses the command-line options passed by the boot loader instead of | 
 | 	  the device tree bootargs property. If the boot loader doesn't provide | 
 | 	  any, the device tree bootargs property will be used. | 
 |  | 
 | config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND | 
 | 	bool "Extend with bootloader kernel arguments" | 
 | 	help | 
 | 	  The command-line arguments provided by the boot loader will be | 
 | 	  appended to the the device tree bootargs property. | 
 |  | 
 | endchoice | 
 |  | 
 | config CMDLINE | 
 | 	string "Default kernel command string" | 
 | 	default "" | 
 | 	help | 
 | 	  On some architectures (EBSA110 and CATS), there is currently no way | 
 | 	  for the boot loader to pass arguments to the kernel. For these | 
 | 	  architectures, you should supply some command-line options at build | 
 | 	  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 | 
 | 	depends on ATAGS | 
 |  | 
 | 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" | 
 | 	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. | 
 | endchoice | 
 |  | 
 | config XIP_KERNEL | 
 | 	bool "Kernel Execute-In-Place from ROM" | 
 | 	depends on !ARM_LPAE && !ARCH_MULTIPLATFORM | 
 | 	help | 
 | 	  Execute-In-Place allows the kernel to run from non-volatile storage | 
 | 	  directly addressable by the CPU, such as NOR flash. This saves RAM | 
 | 	  space since the text section of the kernel is not loaded from flash | 
 | 	  to RAM.  Read-write sections, such as the data section and stack, | 
 | 	  are still copied to RAM.  The XIP kernel is not compressed since | 
 | 	  it has to run directly from flash, so it will take more space to | 
 | 	  store it.  The flash address used to link the kernel object files, | 
 | 	  and for storing it, is configuration dependent. Therefore, if you | 
 | 	  say Y here, you must know the proper physical address where to | 
 | 	  store the kernel image depending on your own flash memory usage. | 
 |  | 
 | 	  Also note that the make target becomes "make xipImage" rather than | 
 | 	  "make zImage" or "make Image".  The final kernel binary to put in | 
 | 	  ROM memory will be arch/arm/boot/xipImage. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config XIP_PHYS_ADDR | 
 | 	hex "XIP Kernel Physical Location" | 
 | 	depends on XIP_KERNEL | 
 | 	default "0x00080000" | 
 | 	help | 
 | 	  This is the physical address in your flash memory the kernel will | 
 | 	  be linked for and stored to.  This address is dependent on your | 
 | 	  own flash usage. | 
 |  | 
 | config KEXEC | 
 | 	bool "Kexec system call (EXPERIMENTAL)" | 
 | 	depends on (!SMP || PM_SLEEP_SMP) | 
 | 	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 | 
 | 	  but it is independent of the system firmware.   And like a reboot | 
 | 	  you can start any kernel with it, not just Linux. | 
 |  | 
 | 	  It is an ongoing process to be certain the hardware in a machine | 
 | 	  is properly shutdown, so do not be surprised if this code does not | 
 | 	  initially work for you. | 
 |  | 
 | config ATAGS_PROC | 
 | 	bool "Export atags in procfs" | 
 | 	depends on ATAGS && KEXEC | 
 | 	default y | 
 | 	help | 
 | 	  Should the atags used to boot the kernel be exported in an "atags" | 
 | 	  file in procfs. Useful with kexec. | 
 |  | 
 | config CRASH_DUMP | 
 | 	bool "Build kdump crash kernel (EXPERIMENTAL)" | 
 | 	help | 
 | 	  Generate crash dump after being started by kexec. This should | 
 | 	  be normally only set in special crash dump kernels which are | 
 | 	  loaded in the main kernel with kexec-tools into a specially | 
 | 	  reserved region and then later executed after a crash by | 
 | 	  kdump/kexec. The crash dump kernel must be compiled to a | 
 | 	  memory address not used by the main kernel | 
 |  | 
 | 	  For more details see Documentation/kdump/kdump.txt | 
 |  | 
 | config AUTO_ZRELADDR | 
 | 	bool "Auto calculation of the decompressed kernel image address" | 
 | 	help | 
 | 	  ZRELADDR is the physical address where the decompressed kernel | 
 | 	  image will be placed. If AUTO_ZRELADDR is selected, the address | 
 | 	  will be determined at run-time by masking the current IP with | 
 | 	  0xf8000000. This assumes the zImage being placed in the first 128MB | 
 | 	  from start of memory. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "CPU Power Management" | 
 |  | 
 | source "drivers/cpufreq/Kconfig" | 
 |  | 
 | source "drivers/cpuidle/Kconfig" | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Floating point emulation" | 
 |  | 
 | comment "At least one emulation must be selected" | 
 |  | 
 | config FPE_NWFPE | 
 | 	bool "NWFPE math emulation" | 
 | 	depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL | 
 | 	---help--- | 
 | 	  Say Y to include the NWFPE floating point emulator in the kernel. | 
 | 	  This is necessary to run most binaries. Linux does not currently | 
 | 	  support floating point hardware so you need to say Y here even if | 
 | 	  your machine has an FPA or floating point co-processor podule. | 
 |  | 
 | 	  You may say N here if you are going to load the Acorn FPEmulator | 
 | 	  early in the bootup. | 
 |  | 
 | config FPE_NWFPE_XP | 
 | 	bool "Support extended precision" | 
 | 	depends on FPE_NWFPE | 
 | 	help | 
 | 	  Say Y to include 80-bit support in the kernel floating-point | 
 | 	  emulator.  Otherwise, only 32 and 64-bit support is compiled in. | 
 | 	  Note that gcc does not generate 80-bit operations by default, | 
 | 	  so in most cases this option only enlarges the size of the | 
 | 	  floating point emulator without any good reason. | 
 |  | 
 | 	  You almost surely want to say N here. | 
 |  | 
 | config FPE_FASTFPE | 
 | 	bool "FastFPE math emulation (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 | 
 | 	  precision for the mantissa.  It does not support any exceptions. | 
 | 	  It is very simple, and approximately 3-6 times faster than NWFPE. | 
 |  | 
 | 	  It should be sufficient for most programs.  It may be not suitable | 
 | 	  for scientific calculations, but you have to check this for yourself. | 
 | 	  If you do not feel you need a faster FP emulation you should better | 
 | 	  choose NWFPE. | 
 |  | 
 | config VFP | 
 | 	bool "VFP-format floating point maths" | 
 | 	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. | 
 |  | 
 | 	  Please see <file:Documentation/arm/VFP/release-notes.txt> for | 
 | 	  release notes and additional status information. | 
 |  | 
 | 	  Say N if your target does not have VFP hardware. | 
 |  | 
 | config VFPv3 | 
 | 	bool | 
 | 	depends on VFP | 
 | 	default y if CPU_V7 | 
 |  | 
 | config NEON | 
 | 	bool "Advanced SIMD (NEON) Extension support" | 
 | 	depends on VFPv3 && CPU_V7 | 
 | 	help | 
 | 	  Say Y to include support code for NEON, the ARMv7 Advanced SIMD | 
 | 	  Extension. | 
 |  | 
 | config KERNEL_MODE_NEON | 
 | 	bool "Support for NEON in kernel mode" | 
 | 	depends on NEON && AEABI | 
 | 	help | 
 | 	  Say Y to include support for NEON in kernel mode. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Userspace binary formats" | 
 |  | 
 | source "fs/Kconfig.binfmt" | 
 |  | 
 | config ARTHUR | 
 | 	tristate "RISC OS personality" | 
 | 	depends on !AEABI | 
 | 	help | 
 | 	  Say Y here to include the kernel code necessary if you want to run | 
 | 	  Acorn RISC OS/Arthur binaries under Linux. This code is still very | 
 | 	  experimental; if this sounds frightening, say N and sleep in peace. | 
 | 	  You can also say M here to compile this support as a module (which | 
 | 	  will be called arthur). | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Power management options" | 
 |  | 
 | source "kernel/power/Kconfig" | 
 |  | 
 | config ARCH_SUSPEND_POSSIBLE | 
 | 	depends on CPU_ARM920T || CPU_ARM926T || CPU_FEROCEON || CPU_SA1100 || \ | 
 | 		CPU_V6 || CPU_V6K || CPU_V7 || CPU_V7M || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK | 
 | 	def_bool y | 
 |  | 
 | config ARM_CPU_SUSPEND | 
 | 	def_bool PM_SLEEP | 
 |  | 
 | config ARCH_HIBERNATION_POSSIBLE | 
 | 	bool | 
 | 	depends on MMU | 
 | 	default y if ARCH_SUSPEND_POSSIBLE | 
 |  | 
 | endmenu | 
 |  | 
 | source "net/Kconfig" | 
 |  | 
 | source "drivers/Kconfig" | 
 |  | 
 | source "fs/Kconfig" | 
 |  | 
 | source "arch/arm/Kconfig.debug" | 
 |  | 
 | source "security/Kconfig" | 
 |  | 
 | source "crypto/Kconfig" | 
 |  | 
 | source "lib/Kconfig" | 
 |  | 
 | source "arch/arm/kvm/Kconfig" |