-#
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
-#
-
-mainmenu "Linux Kernel Configuration"
-
config ARM
bool
default y
select HAVE_AOUT
+ select HAVE_DMA_API_DEBUG
select HAVE_IDE
select HAVE_MEMBLOCK
select RTC_LIB
select SYS_SUPPORTS_APM_EMULATION
- select GENERIC_ATOMIC64 if (!CPU_32v6K)
+ select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
select HAVE_ARCH_KGDB
- select HAVE_KPROBES if (!XIP_KERNEL)
+ select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL)
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
+ select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
+ select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
+ select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
+ select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
select PERF_USE_VMALLOC
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
+ select HAVE_C_RECORDMCOUNT
+ select HAVE_GENERIC_HARDIRQS
+ select HAVE_SPARSE_IRQ
+ select GENERIC_IRQ_SHOW
+ select CPU_PM if (SUSPEND || CPU_IDLE)
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
config HAVE_PWM
bool
+config MIGHT_HAVE_PCI
+ bool
+
config SYS_SUPPORTS_APM_EMULATION
bool
depends on GENERIC_CLOCKEVENTS
default y if SMP
+config KTIME_SCALAR
+ bool
+ default y
+
config HAVE_TCM
bool
select GENERIC_ALLOCATOR
<file:Documentation/mca.txt> (and especially the web page given
there) before attempting to build an MCA bus kernel.
-config GENERIC_HARDIRQS
- bool
- default y
-
config STACKTRACE_SUPPORT
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
-config ARCH_HAS_CPU_IDLE_WAIT
- bool
- default y
-
-config ARCH_HAS_DEFAULT_IDLE
- bool
- default y
-
config ARCH_HAS_ILOG2_U32
bool
and that the relevant menu configurations are displayed for
it.
+config ARCH_HAS_CPU_IDLE_WAIT
+ def_bool y
+
config GENERIC_HWEIGHT
bool
default y
config ARCH_MTD_XIP
bool
-config GENERIC_HARDIRQS_NO__DO_IRQ
- def_bool y
-
-config ARM_L1_CACHE_SHIFT_6
- bool
- help
- Setting ARM L1 cache line size to 64 Bytes.
-
-config ARCH_PROVIDES_UDELAY
- bool
-
config VECTORS_BASE
hex
default 0xffff0000 if MMU || CPU_HIGH_VECTOR
help
The base address of exception vectors.
+config ARM_PATCH_PHYS_VIRT
+ bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ 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, or theoretically 64K
+ for the MSM machine class.
+
+config ARM_PATCH_PHYS_VIRT_16BIT
+ def_bool y
+ depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
+ help
+ This option extends the physical to virtual translation patching
+ to allow physical memory down to a theoretical minimum of 64K
+ boundaries.
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
prompt "ARM system type"
default ARCH_VERSATILE
-config ARCH_AAEC2000
- bool "Agilent AAEC-2000 based"
- select CPU_ARM920T
- select ARM_AMBA
- select HAVE_CLK
- select ARCH_USES_GETTIMEOFFSET
- help
- This enables support for systems based on the Agilent AAEC-2000
-
config ARCH_INTEGRATOR
bool "ARM Ltd. Integrator family"
select ARM_AMBA
select ARCH_HAS_CPUFREQ
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select PLAT_VERSATILE
+ select PLAT_VERSATILE_FPGA_IRQ
help
Support for ARM's Integrator platform.
config ARCH_REALVIEW
bool "ARM Ltd. RealView family"
select ARM_AMBA
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
select PLAT_VERSATILE
+ select PLAT_VERSATILE_CLCD
select ARM_TIMER_SP804
select GPIO_PL061 if GPIOLIB
help
bool "ARM Ltd. Versatile family"
select ARM_AMBA
select ARM_VIC
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
select PLAT_VERSATILE
+ select PLAT_VERSATILE_CLCD
+ select PLAT_VERSATILE_FPGA_IRQ
select ARM_TIMER_SP804
help
This enables support for ARM Ltd Versatile board.
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_TIMER_SP804
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select HAVE_CLK
+ select HAVE_PATA_PLATFORM
select ICST
select PLAT_VERSATILE
+ select PLAT_VERSATILE_CLCD
help
This enables support for the ARM Ltd Versatile Express boards.
bool "Atmel AT91"
select ARCH_REQUIRE_GPIOLIB
select HAVE_CLK
+ select CLKDEV_LOOKUP
+ select ARM_PATCH_PHYS_VIRT if MMU
help
This enables support for systems based on the Atmel AT91RM9200,
AT91SAM9 and AT91CAP9 processors.
depends on MMU
select CPU_V6
select ARM_AMBA
- select COMMON_CLKDEV
+ select ARM_TIMER_SP804
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
help
select CPU_V6
select GENERIC_CLOCKEVENTS
select ARM_GIC
+ select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
help
Support for Cavium Networks CNS3XXX platform.
select CPU_ARM920T
select ARM_AMBA
select ARM_VIC
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_USES_GETTIMEOFFSET
bool "FootBridge"
select CPU_SA110
select FOOTBRIDGE
- select ARCH_USES_GETTIMEOFFSET
+ select GENERIC_CLOCKEVENTS
help
Support for systems based on the DC21285 companion chip
("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
bool "Freescale MXC/iMX-based"
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
+ select HAVE_SCHED_CLOCK
help
Support for Freescale MXC/iMX-based family of processors
-config ARCH_STMP3XXX
- bool "Freescale STMP3xxx"
- select CPU_ARM926T
- select COMMON_CLKDEV
- select ARCH_REQUIRE_GPIOLIB
+config ARCH_MXS
+ bool "Freescale MXS-based"
select GENERIC_CLOCKEVENTS
- select USB_ARCH_HAS_EHCI
+ select ARCH_REQUIRE_GPIOLIB
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
help
- Support for systems based on the Freescale 3xxx CPUs.
+ Support for Freescale MXS-based family of processors
config ARCH_NETX
bool "Hilscher NetX based"
+ select CLKSRC_MMIO
select CPU_ARM926T
select ARM_VIC
select GENERIC_CLOCKEVENTS
config ARCH_IXP4XX
bool "IXP4xx-based"
depends on MMU
+ select CLKSRC_MMIO
select CPU_XSCALE
select GENERIC_GPIO
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
+ select MIGHT_HAVE_PCI
select DMABOUNCE if PCI
help
Support for Intel's IXP4XX (XScale) family of processors.
config ARCH_DOVE
bool "Marvell Dove"
+ select CPU_V7
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
config ARCH_LPC32XX
bool "NXP LPC32XX"
+ select CLKSRC_MMIO
select CPU_ARM926T
select ARCH_REQUIRE_GPIOLIB
select HAVE_IDE
select ARM_AMBA
select USB_ARCH_HAS_OHCI
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
bool "Marvell PXA168/910/MMP2"
depends on MMU
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
+ select SPARSE_IRQ
help
Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
System-on-Chip devices.
-config ARCH_NS9XXX
- bool "NetSilicon NS9xxx"
- select CPU_ARM926T
- select GENERIC_GPIO
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK
- help
- Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
- System.
-
- <http://www.digi.com/products/microprocessors/index.jsp>
-
config ARCH_W90X900
bool "Nuvoton W90X900 CPU"
select CPU_ARM926T
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
help
Support for Nuvoton (Winbond logic dept.) ARM9 processor,
config ARCH_NUC93X
bool "Nuvoton NUC93X CPU"
select CPU_ARM926T
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
help
Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
low-power and high performance MPEG-4/JPEG multimedia controller chip.
config ARCH_TEGRA
bool "NVIDIA Tegra"
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
- select COMMON_CLKDEV
+ select HAVE_SCHED_CLOCK
select ARCH_HAS_BARRIERS if CACHE_L2X0
select ARCH_HAS_CPUFREQ
- select ARCH_PROVIDES_UDELAY
- select FIQ
help
This enables support for NVIDIA Tegra based systems (Tegra APX,
Tegra 6xx and Tegra 2 series).
config ARCH_PNX4008
bool "Philips Nexperia PNX4008 Mobile"
select CPU_ARM926T
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ARCH_USES_GETTIMEOFFSET
help
This enables support for Philips PNX4008 mobile platform.
depends on MMU
select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
+ select SPARSE_IRQ
help
Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
select HAVE_CLK
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
+ select CLKDEV_LOOKUP
help
Support for Qualcomm MSM/QSD based systems. This runs on the
apps processor of the MSM/QSD and depends on a shared memory
(clock and power control, etc).
config ARCH_SHMOBILE
- bool "Renesas SH-Mobile"
+ bool "Renesas SH-Mobile / R-Mobile"
+ select HAVE_CLK
+ select CLKDEV_LOOKUP
+ select GENERIC_CLOCKEVENTS
+ select NO_IOPORT
+ select SPARSE_IRQ
+ select MULTI_IRQ_HANDLER
help
- Support for Renesas's SH-Mobile ARM platforms
+ Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
config ARCH_RPC
bool "RiscPC"
config ARCH_SA1100
bool "SA1100-based"
+ select CLKSRC_MMIO
select CPU_SA1100
select ISA
select ARCH_SPARSEMEM_ENABLE
select CPU_FREQ
select GENERIC_CLOCKEVENTS
select HAVE_CLK
+ select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select ARCH_REQUIRE_GPIOLIB
help
select ARCH_HAS_CPUFREQ
select HAVE_CLK
select ARCH_USES_GETTIMEOFFSET
- select HAVE_S3C2410_I2C
+ select HAVE_S3C2410_I2C if I2C
help
Samsung S3C2410X CPU 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).
Note, the S3C2416 and the S3C2450 are so close that they even share
- the same SoC ID code. This means that there is no seperate machine
+ the same SoC ID code. This means that there is no separate machine
directory (no arch/arm/mach-s3c2450) as the S3C2416 was first.
config ARCH_S3C64XX
select S3C_DEV_NAND
select USB_ARCH_HAS_OHCI
select SAMSUNG_GPIOLIB_4BIT
- select HAVE_S3C2410_I2C
- select HAVE_S3C2410_WATCHDOG
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S3C64XX series based systems
-config ARCH_S5P6440
- bool "Samsung S5P6440"
- select CPU_V6
- select GENERIC_GPIO
- select HAVE_CLK
- select HAVE_S3C2410_WATCHDOG
- select ARCH_USES_GETTIMEOFFSET
- select HAVE_S3C2410_I2C
- select HAVE_S3C_RTC
- help
- Samsung S5P6440 CPU based systems
-
-config ARCH_S5P6442
- bool "Samsung S5P6442"
+config ARCH_S5P64X0
+ bool "Samsung S5P6440 S5P6450"
select CPU_V6
select GENERIC_GPIO
select HAVE_CLK
- select ARCH_USES_GETTIMEOFFSET
- select HAVE_S3C2410_WATCHDOG
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C_RTC if RTC_CLASS
help
- Samsung S5P6442 CPU based systems
+ Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
+ SMDK6450.
config ARCH_S5PC100
bool "Samsung S5PC100"
select CPU_V7
select ARM_L1_CACHE_SHIFT_6
select ARCH_USES_GETTIMEOFFSET
- select HAVE_S3C2410_I2C
- select HAVE_S3C_RTC
- select HAVE_S3C2410_WATCHDOG
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C_RTC if RTC_CLASS
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5PC100 series based systems
config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
select CPU_V7
+ select ARCH_SPARSEMEM_ENABLE
select GENERIC_GPIO
select HAVE_CLK
select ARM_L1_CACHE_SHIFT_6
- select ARCH_USES_GETTIMEOFFSET
- select HAVE_S3C2410_I2C
- select HAVE_S3C_RTC
- select HAVE_S3C2410_WATCHDOG
+ select ARCH_HAS_CPUFREQ
+ select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C_RTC if RTC_CLASS
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5PV210/S5PC110 series based systems
-config ARCH_S5PV310
- bool "Samsung S5PV310/S5PC210"
+config ARCH_EXYNOS4
+ bool "Samsung EXYNOS4"
select CPU_V7
+ select ARCH_SPARSEMEM_ENABLE
select GENERIC_GPIO
select HAVE_CLK
+ select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
+ select HAVE_S3C_RTC if RTC_CLASS
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
- Samsung S5PV310 series based systems
+ Samsung EXYNOS4 series based systems
config ARCH_SHARK
bool "Shark"
Support for the StrongARM based Digital DNARD machine, also known
as "Shark" (<http://www.shark-linux.de/shark.html>).
-config ARCH_LH7A40X
- bool "Sharp LH7A40X"
- select CPU_ARM922T
- select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
- select ARCH_USES_GETTIMEOFFSET
+config ARCH_TCC_926
+ bool "Telechips TCC ARM926-based systems"
+ select CLKSRC_MMIO
+ select CPU_ARM926T
+ select HAVE_CLK
+ select CLKDEV_LOOKUP
+ select GENERIC_CLOCKEVENTS
help
- Say Y here for systems based on one of the Sharp LH7A40X
- System on a Chip processors. These CPUs include an ARM922T
- core with a wide array of integrated devices for
- hand-held and low-power applications.
+ Support for Telechips TCC ARM926-based systems.
config ARCH_U300
bool "ST-Ericsson U300 Series"
depends on MMU
+ select CLKSRC_MMIO
select CPU_ARM926T
+ select HAVE_SCHED_CLOCK
select HAVE_TCM
select ARM_AMBA
select ARM_VIC
select GENERIC_CLOCKEVENTS
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_GPIO
help
Support for ST-Ericsson U300 series mobile platforms.
select CPU_V7
select ARM_AMBA
select GENERIC_CLOCKEVENTS
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
+ select ARCH_HAS_CPUFREQ
help
Support for ST-Ericsson's Ux500 architecture
select ARM_AMBA
select ARM_VIC
select CPU_ARM926T
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
help
select ARCH_REQUIRE_GPIOLIB
select ZONE_DMA
select HAVE_IDE
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_ALLOCATOR
+ select GENERIC_IRQ_CHIP
select ARCH_HAS_HOLES_MEMORYMODEL
help
Support for TI's DaVinci platform.
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
select ARCH_HAS_HOLES_MEMORYMODEL
help
- Support for TI's OMAP platform (OMAP1 and OMAP2).
+ Support for TI's OMAP platform (OMAP1/2/3/4).
config ARCH_RK29
- bool "Rockchip Soc Rk29"
+ bool "Rockchip RK29xx"
+ select PLAT_RK
select CPU_V7
- select HAVE_CLK
- select COMMON_CLKDEV
- select HAVE_SCHED_CLOCK
- select ARCH_HAS_CPUFREQ
- select GENERIC_TIME
- select GENERIC_CLOCKEVENTS
- select ARCH_REQUIRE_GPIOLIB
select ARM_GIC
select PL330
select HIGHMEM
select ZONE_DMA
select ARM_L1_CACHE_SHIFT_6
help
- Support for Rockchip RK29 soc.
+ Support for Rockchip's RK29xx SoCs.
+
+config ARCH_RK30
+ bool "Rockchip RK30xx"
+ select PLAT_RK
+ select CPU_V7
+ select ARM_GIC
+ select RK_PL330_DMA
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
+ select ARM_ERRATA_764369
+ select ARM_ERRATA_754322
+ help
+ Support for Rockchip's RK30xx SoCs.
config PLAT_SPEAR
bool "ST SPEAr"
select ARM_AMBA
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select HAVE_CLK
help
Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
+config ARCH_VT8500
+ bool "VIA/WonderMedia 85xx"
+ select CPU_ARM926T
+ select GENERIC_GPIO
+ select ARCH_HAS_CPUFREQ
+ select GENERIC_CLOCKEVENTS
+ select ARCH_REQUIRE_GPIOLIB
+ select HAVE_PWM
+ help
+ Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
endchoice
#
# Kconfigs may be included either alphabetically (according to the
# plat- suffix) or along side the corresponding mach-* source.
#
-source "arch/arm/mach-aaec2000/Kconfig"
-
source "arch/arm/mach-at91/Kconfig"
source "arch/arm/mach-bcmring/Kconfig"
source "arch/arm/mach-ks8695/Kconfig"
-source "arch/arm/mach-lh7a40x/Kconfig"
-
source "arch/arm/mach-loki/Kconfig"
source "arch/arm/mach-lpc32xx/Kconfig"
source "arch/arm/plat-mxc/Kconfig"
+source "arch/arm/mach-mxs/Kconfig"
+
source "arch/arm/mach-netx/Kconfig"
source "arch/arm/mach-nomadik/Kconfig"
source "arch/arm/plat-nomadik/Kconfig"
-source "arch/arm/mach-ns9xxx/Kconfig"
-
source "arch/arm/mach-nuc93x/Kconfig"
source "arch/arm/plat-omap/Kconfig"
source "arch/arm/mach-realview/Kconfig"
+source "arch/arm/plat-rk/Kconfig"
source "arch/arm/mach-rk29/Kconfig"
+source "arch/arm/mach-rk30/Kconfig"
source "arch/arm/mach-sa1100/Kconfig"
source "arch/arm/plat-spear/Kconfig"
+source "arch/arm/plat-tcc/Kconfig"
+
if ARCH_S3C2410
source "arch/arm/mach-s3c2400/Kconfig"
source "arch/arm/mach-s3c2410/Kconfig"
source "arch/arm/mach-s3c64xx/Kconfig"
endif
-source "arch/arm/mach-s5p6440/Kconfig"
-
-source "arch/arm/mach-s5p6442/Kconfig"
+source "arch/arm/mach-s5p64x0/Kconfig"
source "arch/arm/mach-s5pc100/Kconfig"
source "arch/arm/mach-s5pv210/Kconfig"
-source "arch/arm/mach-s5pv310/Kconfig"
+source "arch/arm/mach-exynos4/Kconfig"
source "arch/arm/mach-shmobile/Kconfig"
-source "arch/arm/plat-stmp3xxx/Kconfig"
-
source "arch/arm/mach-tegra/Kconfig"
source "arch/arm/mach-u300/Kconfig"
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"
config PLAT_IOP
bool
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
config PLAT_ORION
bool
+ select CLKSRC_MMIO
+ select GENERIC_IRQ_CHIP
+ select HAVE_SCHED_CLOCK
config PLAT_PXA
bool
+config PLAT_RK
+ bool
+ select CLKDEV_LOOKUP
+ select HAVE_SCHED_CLOCK
+ select ARCH_HAS_CPUFREQ
+ select GENERIC_CLOCKEVENTS
+ select ARCH_REQUIRE_GPIOLIB
+
config PLAT_VERSATILE
bool
config ARM_TIMER_SP804
bool
+ select CLKSRC_MMIO
source arch/arm/mm/Kconfig
config IWMMXT
bool "Enable iWMMXt support"
- depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK
- default y if PXA27x || PXA3xx || ARCH_MMP
+ depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
+ default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
help
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
default y
config CPU_HAS_PMU
- depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \
+ depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \
(!ARCH_OMAP3 || OMAP3_EMU)
default y
bool
+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 ARM_ERRATA_411920
bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
- depends on CPU_V6 && !SMP
+ 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.
config PL310_ERRATA_588369
bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
- depends on CACHE_L2X0 && ARCH_OMAP4
+ depends on CACHE_L2X0
help
The PL310 L2 cache controller implements three types of Clean &
Invalidate maintenance operations: by Physical Address
clean operation followed immediately by an invalidate operation,
both performing to the same memory location. This functionality
is not correctly implemented in PL310 as clean lines are not
- invalidated as a result of these operations. Note that this errata
- uses Texas Instrument's secure monitor api.
+ invalidated as a result of these operations.
config ARM_ERRATA_720789
bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
tables. The workaround changes the TLB flushing routines to invalidate
entries regardless of the ASID.
+config PL310_ERRATA_727915
+ bool "Background Clean & Invalidate by Way operation can cause data corruption"
+ depends on CACHE_L2X0
+ help
+ PL310 implements the Clean & Invalidate by Way L2 cache maintenance
+ operation (offset 0x7FC). This operation runs in background so that
+ PL310 can handle normal accesses while it is in progress. Under very
+ rare circumstances, due to this erratum, write data can be lost when
+ PL310 treats a cacheable write transaction during a Clean &
+ Invalidate by Way operation.
+
config ARM_ERRATA_743622
bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
depends on CPU_V7
help
This option enables the workaround for the 743622 Cortex-A9
- (r2p0..r2p2) erratum. Under very rare conditions, a faulty
+ (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
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 && SMP
+ 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_753970
+ bool "ARM errata: cache sync operation may be faulty"
+ depends on CACHE_PL310
+ help
+ This option enables the workaround for the 753970 PL310 (r3p0) erratum.
+
+ Under some condition the effect of cache sync operation on
+ the store buffer still remains when the operation completes.
+ This means that the store buffer is always asked to drain and
+ this prevents it from merging any further writes. The workaround
+ is to replace the normal offset of cache sync operation (0x730)
+ by another offset targeting an unmapped PL310 register 0x740.
+ This has the same effect as the cache sync operation: store buffer
+ drain and waiting for all buffers empty.
+
+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.
+
endmenu
source "arch/arm/common/Kconfig"
bool
config PCI
- bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
+ 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
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
source "drivers/pcmcia/Kconfig"
+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 PL310_ERRATA_769419
+ bool "PL310 errata: no automatic Store Buffer drain"
+ depends on CACHE_L2X0
+ help
+ On revisions of the PL310 prior to r3p2, the Store Buffer does
+ not automatically drain. This can cause normal, non-cacheable
+ writes to be retained when the memory system is idle, leading
+ to suboptimal I/O performance for drivers using coherent DMA.
+ This option adds a write barrier to the cpu_idle loop so that,
+ on systems with an outer cache, the store buffer is drained
+ explicitly.
+
endmenu
menu "Kernel Features"
source "kernel/time/Kconfig"
+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 (EXPERIMENTAL)"
- depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
- MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\
- ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+ bool "Symmetric Multi-Processing"
+ depends on CPU_V6K || CPU_V7
depends on GENERIC_CLOCKEVENTS
+ depends on HAVE_SMP
+ depends on MMU
select USE_GENERIC_SMP_HELPERS
- select HAVE_ARM_SCU if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 ||\
- ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4
+ select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
See also <file:Documentation/i386/IO-APIC.txt>,
<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
- <http://www.linuxdoc.org/docs.html#howto>.
+ <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 EXPERIMENTAL
+ depends on SMP && !XIP_KERNEL
+ 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 HAVE_ARM_SCU
bool
depends on SMP
config HAVE_ARM_TWD
bool
depends on SMP
+ select TICK_ONESHOT
help
This options enables support for the ARM timer and watchdog unit
config LOCAL_TIMERS
bool "Use local timer interrupts"
- depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
- REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
- ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+ depends on SMP
default y
- select HAVE_ARM_TWD if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 || \
- ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS
+ 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
config HZ
int
- default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || \
- ARCH_S5P6442 || ARCH_S5PV210 || ARCH_S5PV310
+ default 200 if ARCH_EBSA110 || ARCH_S3C2410 || 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 THUMB2_KERNEL
- bool "Compile the kernel in Thumb-2 mode"
- depends on CPU_V7 && EXPERIMENTAL
+ bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
+ depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
select AEABI
select ARM_ASM_UNIFIED
help
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 OABI_COMPAT
bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
- depends on AEABI && EXPERIMENTAL
+ depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
default y
help
This option preserves the old syscall interface along with the
config ARCH_SELECT_MEMORY_MODEL
def_bool ARCH_SPARSEMEM_ENABLE
+config HAVE_ARCH_PFN_VALID
+ def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
+
config HIGHMEM
- bool "High Memory Support (EXPERIMENTAL)"
- depends on MMU && EXPERIMENTAL
+ bool "High Memory Support"
+ depends on MMU
help
The address space of ARM processors is only 4 Gigabytes large
and it has to accommodate user address space, kernel address
config HIGHPTE
bool "Allocate 2nd-level pagetables from highmem"
depends on HIGHMEM
- depends on !OUTER_CACHE
config HW_PERF_EVENTS
bool "Enable hardware performance counter support for perf events"
Enable hardware performance counter support for perf events. If
disabled, perf events will use software events only.
-config SPARSE_IRQ
- def_bool n
- help
- This enables support for sparse irqs. This is useful in general
- as most CPUs have a fairly sparse array of IRQ vectors, which
- the irq_desc then maps directly on to. Systems with a high
- number of off-chip IRQs will want to treat this as
- experimental until they have been independently verified.
-
source "mm/Kconfig"
config FORCE_MAX_ZONEORDER
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 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
This was deprecated in 2001 and announced to live on for 5 years.
Some old boot loaders still use this way.
+config ARM_FLUSH_CONSOLE_ON_RESTART
+ bool "Force flush the console on restart"
+ help
+ If the console is locked while the system is rebooted, the messages
+ in the temporary logbuffer would not have propogated to all the
+ console drivers. This option forces the console lock to be
+ released if it failed to be acquired, which will cause all the
+ pending messages to be flushed.
+
endmenu
menu "Boot options"
+config USE_OF
+ bool "Flattened Device Tree support"
+ select OF
+ select OF_EARLY_FLATTREE
+ help
+ Include support for flattened device tree machine descriptions.
+
# Compressed boot loader in ROM. Yes, we really want to ask about
# TEXT and BSS so we preserve their values in the config files.
config ZBOOT_ROM_TEXT
Say Y here if you intend to execute your compressed kernel image
(zImage) directly from ROM or flash. If unsure, say N.
+config ZBOOT_ROM_MMCIF
+ bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
+ depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL
+ help
+ Say Y here to include experimental MMCIF loading code in the
+ ROM-able zImage. With this enabled it is possible to write the
+ the ROM-able zImage kernel image to an MMC card and boot the
+ kernel straight from the reset vector. At reset the processor
+ Mask ROM will load the first part of the the ROM-able zImage
+ which in turn loads the rest the kernel image to RAM using the
+ MMCIF hardware block.
+
config CMDLINE
string "Default kernel command string"
default ""
time by entering them here. As a minimum, you should specify the
memory size and the root device (e.g., mem=64M root=/dev/nfs).
+choice
+ prompt "Kernel command line type" if CMDLINE != ""
+ default CMDLINE_FROM_BOOTLOADER
+
+config CMDLINE_FROM_BOOTLOADER
+ bool "Use bootloader kernel arguments if available"
+ help
+ Uses the command-line options passed by the boot loader. If
+ the boot loader doesn't provide any, the default kernel command
+ string provided in CMDLINE will be used.
+
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to the default kernel command string.
+
config CMDLINE_FORCE
bool "Always use the default kernel command string"
- depends on CMDLINE != ""
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
-
- If unsure, say N.
+endchoice
config XIP_KERNEL
bool "Kernel Execute-In-Place from ROM"
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)"
+ 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
+ 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"
depends on !ZBOOT_ROM && !ARCH_U300
source "drivers/cpufreq/Kconfig"
+config CPU_FREQ_IMX
+ tristate "CPUfreq driver for i.MX CPUs"
+ depends on ARCH_MXC && CPU_FREQ
+ help
+ This enables the CPUfreq driver for i.MX CPUs.
+
config CPU_FREQ_SA1100
bool
Internal configuration node for common cpufreq on Samsung SoC
config CPU_FREQ_S3C24XX
- bool "CPUfreq driver for Samsung S3C24XX series CPUs"
+ bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
select CPU_FREQ_S3C
help
If in doubt, say N.
config CPU_FREQ_S3C24XX_PLL
- bool "Support CPUfreq changing of PLL frequency"
+ bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
help
Compile in support for changing the PLL frequency from the
config FPE_NWFPE
bool "NWFPE math emulation"
- depends on !AEABI || OABI_COMPAT
+ 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
config VFP
bool "VFP-format floating point maths"
- depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
+ 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.
source "kernel/power/Kconfig"
config ARCH_SUSPEND_POSSIBLE
+ depends on !ARCH_S5P64X0 && !ARCH_S5PC100
+ depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
+ CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
def_bool y
endmenu
projects / firefly-linux-kernel-4.4.55.git / blobdiff