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-rw-r--r--arch/arm/Kconfig99
1 files changed, 52 insertions, 47 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 67874b82a4e..38ec1f8df5a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,7 @@ config ARM
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAVE_CUSTOM_GPIO_H
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CPU_PM if (SUSPEND || CPU_IDLE)
@@ -36,7 +37,6 @@ config ARM
select HAVE_GENERIC_HARDIRQS
select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
select HAVE_IDE if PCI || ISA || PCMCIA
- select HAVE_IRQ_WORK
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
@@ -261,7 +261,8 @@ config MMU
#
choice
prompt "ARM system type"
- default ARCH_MULTIPLATFORM
+ default ARCH_VERSATILE if !MMU
+ default ARCH_MULTIPLATFORM if MMU
config ARCH_MULTIPLATFORM
bool "Allow multiple platforms to be selected"
@@ -344,10 +345,10 @@ config ARCH_BCM2835
select ARM_ERRATA_411920
select ARM_TIMER_SP804
select CLKDEV_LOOKUP
+ select CLKSRC_OF
select COMMON_CLK
select CPU_V6
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select MULTI_IRQ_HANDLER
select PINCTRL
select PINCTRL_BCM2835
@@ -393,6 +394,7 @@ config ARCH_GEMINI
config ARCH_SIRF
bool "CSR SiRF"
select ARCH_REQUIRE_GPIOLIB
+ select AUTO_ZRELADDR
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
@@ -640,11 +642,12 @@ config ARCH_LPC32XX
config ARCH_TEGRA
bool "NVIDIA Tegra"
select ARCH_HAS_CPUFREQ
+ select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
select CLKSRC_MMIO
+ select CLKSRC_OF
select COMMON_CLK
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
@@ -698,6 +701,7 @@ config ARCH_SHMOBILE
select MULTI_IRQ_HANDLER
select NEED_MACH_MEMORY_H
select NO_IOPORT
+ select PINCTRL
select PM_GENERIC_DOMAINS if PM
select SPARSE_IRQ
help
@@ -744,7 +748,6 @@ config ARCH_S3C24XX
select ARCH_HAS_CPUFREQ
select ARCH_USES_GETTIMEOFFSET
select CLKDEV_LOOKUP
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
@@ -787,7 +790,6 @@ config ARCH_S5P64X0
select CLKSRC_MMIO
select CPU_V6
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
@@ -802,7 +804,6 @@ config ARCH_S5PC100
select ARCH_USES_GETTIMEOFFSET
select CLKDEV_LOOKUP
select CPU_V7
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
@@ -820,7 +821,6 @@ config ARCH_S5PV210
select CLKSRC_MMIO
select CPU_V7
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
@@ -838,7 +838,6 @@ config ARCH_EXYNOS
select CLKDEV_LOOKUP
select CPU_V7
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
@@ -873,7 +872,6 @@ config ARCH_U300
select COMMON_CLK
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_TCM
select SPARSE_IRQ
help
@@ -899,10 +897,12 @@ config ARCH_NOMADIK
select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_VIC
+ select CLKSRC_NOMADIK_MTU
select COMMON_CLK
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_CACHE_L2X0
+ select USE_OF
select PINCTRL
select PINCTRL_STN8815
select SPARSE_IRQ
@@ -937,33 +937,24 @@ config ARCH_DAVINCI
help
Support for TI's DaVinci platform.
-config ARCH_OMAP
- bool "TI OMAP"
+config ARCH_OMAP1
+ bool "TI OMAP1"
depends on MMU
select ARCH_HAS_CPUFREQ
select ARCH_HAS_HOLES_MEMORYMODEL
- select ARCH_REQUIRE_GPIOLIB
- select CLKSRC_MMIO
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK
- help
- Support for TI's OMAP platform (OMAP1/2/3/4).
-
-config ARCH_VT8500_SINGLE
- bool "VIA/WonderMedia 85xx"
- select ARCH_HAS_CPUFREQ
+ select ARCH_OMAP
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
- select COMMON_CLK
- select CPU_ARM926T
+ select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
+ select GENERIC_IRQ_CHIP
select HAVE_CLK
- select MULTI_IRQ_HANDLER
- select SPARSE_IRQ
- select USE_OF
+ select HAVE_IDE
+ select IRQ_DOMAIN
+ select NEED_MACH_IO_H if PCCARD
+ select NEED_MACH_MEMORY_H
help
- Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+ Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
endchoice
@@ -1086,17 +1077,12 @@ source "arch/arm/mach-realview/Kconfig"
source "arch/arm/mach-sa1100/Kconfig"
source "arch/arm/plat-samsung/Kconfig"
-source "arch/arm/plat-s3c24xx/Kconfig"
source "arch/arm/mach-socfpga/Kconfig"
source "arch/arm/plat-spear/Kconfig"
source "arch/arm/mach-s3c24xx/Kconfig"
-if ARCH_S3C24XX
-source "arch/arm/mach-s3c2412/Kconfig"
-source "arch/arm/mach-s3c2440/Kconfig"
-endif
if ARCH_S3C64XX
source "arch/arm/mach-s3c64xx/Kconfig"
@@ -1127,6 +1113,8 @@ source "arch/arm/mach-versatile/Kconfig"
source "arch/arm/mach-vexpress/Kconfig"
source "arch/arm/plat-versatile/Kconfig"
+source "arch/arm/mach-virt/Kconfig"
+
source "arch/arm/mach-vt8500/Kconfig"
source "arch/arm/mach-w90x900/Kconfig"
@@ -1450,6 +1438,10 @@ config ISA_DMA
bool
select ISA_DMA_API
+config ARCH_NO_VIRT_TO_BUS
+ def_bool y
+ depends on !ARCH_RPC && !ARCH_NETWINDER && !ARCH_SHARK
+
# Select ISA DMA interface
config ISA_DMA_API
bool
@@ -1531,7 +1523,6 @@ config SMP
config SMP_ON_UP
bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
- depends on EXPERIMENTAL
depends on SMP && !XIP_KERNEL
default y
help
@@ -1572,9 +1563,10 @@ config HAVE_ARM_SCU
help
This option enables support for the ARM system coherency unit
-config ARM_ARCH_TIMER
+config HAVE_ARM_ARCH_TIMER
bool "Architected timer support"
depends on CPU_V7
+ select ARM_ARCH_TIMER
help
This option enables support for the ARM architected timer
@@ -1620,6 +1612,16 @@ config HOTPLUG_CPU
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
+config ARM_PSCI
+ bool "Support for the ARM Power State Coordination Interface (PSCI)"
+ depends on CPU_V7
+ help
+ Say Y here if you want Linux to communicate with system firmware
+ implementing the PSCI specification for CPU-centric power
+ management operations described in ARM document number ARM DEN
+ 0022A ("Power State Coordination Interface System Software on
+ ARM processors").
+
config LOCAL_TIMERS
bool "Use local timer interrupts"
depends on SMP
@@ -1637,7 +1639,7 @@ config ARCH_NR_GPIO
default 355 if ARCH_U8500
default 264 if MACH_H4700
default 512 if SOC_OMAP5
- default 288 if ARCH_VT8500
+ default 288 if ARCH_VT8500 || ARCH_SUNXI
default 0
help
Maximum number of GPIOs in the system.
@@ -1655,6 +1657,9 @@ config HZ
default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
default 100
+config SCHED_HRTICK
+ def_bool HIGH_RES_TIMERS
+
config THUMB2_KERNEL
bool "Compile the kernel in Thumb-2 mode"
depends on CPU_V7 && !CPU_V6 && !CPU_V6K
@@ -1719,7 +1724,7 @@ config AEABI
config OABI_COMPAT
bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
- depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
+ depends on AEABI && !THUMB2_KERNEL
default y
help
This option preserves the old syscall interface along with the
@@ -1843,7 +1848,6 @@ config SECCOMP
config CC_STACKPROTECTOR
bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- depends on EXPERIMENTAL
help
This option turns on the -fstack-protector GCC feature. This
feature puts, at the beginning of functions, a canary value on
@@ -1860,7 +1864,7 @@ config XEN_DOM0
config XEN
bool "Xen guest support on ARM (EXPERIMENTAL)"
- depends on EXPERIMENTAL && ARM && OF
+ depends on ARM && OF
depends on CPU_V7 && !CPU_V6
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
@@ -1929,7 +1933,7 @@ config ZBOOT_ROM
choice
prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
- depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL
+ depends on ZBOOT_ROM && ARCH_SH7372
default ZBOOT_ROM_NONE
help
Include experimental SD/MMC loading code in the ROM-able zImage.
@@ -1958,7 +1962,7 @@ endchoice
config ARM_APPENDED_DTB
bool "Use appended device tree blob to zImage (EXPERIMENTAL)"
- depends on OF && !ZBOOT_ROM && EXPERIMENTAL
+ depends on OF && !ZBOOT_ROM
help
With this option, the boot code will look for a device tree binary
(DTB) appended to zImage
@@ -2076,7 +2080,7 @@ config XIP_PHYS_ADDR
config KEXEC
bool "Kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU)
+ depends on (!SMP || HOTPLUG_CPU)
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
@@ -2098,7 +2102,6 @@ config ATAGS_PROC
config CRASH_DUMP
bool "Build kdump crash kernel (EXPERIMENTAL)"
- depends on EXPERIMENTAL
help
Generate crash dump after being started by kexec. This should
be normally only set in special crash dump kernels which are
@@ -2165,7 +2168,7 @@ config CPU_FREQ_S3C
config CPU_FREQ_S3C24XX
bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
- depends on ARCH_S3C24XX && CPU_FREQ && EXPERIMENTAL
+ depends on ARCH_S3C24XX && CPU_FREQ
select CPU_FREQ_S3C
help
This enables the CPUfreq driver for the Samsung S3C24XX family
@@ -2177,7 +2180,7 @@ config CPU_FREQ_S3C24XX
config CPU_FREQ_S3C24XX_PLL
bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
- depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
+ depends on CPU_FREQ_S3C24XX
help
Compile in support for changing the PLL frequency from the
S3C24XX series CPUfreq driver. The PLL takes time to settle
@@ -2240,7 +2243,7 @@ config FPE_NWFPE_XP
config FPE_FASTFPE
bool "FastFPE math emulation (EXPERIMENTAL)"
- depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
+ depends on (!AEABI || OABI_COMPAT) && !CPU_32v3
---help---
Say Y here to include the FAST floating point emulator in the kernel.
This is an experimental much faster emulator which now also has full
@@ -2322,3 +2325,5 @@ source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
+
+source "arch/arm/kvm/Kconfig"