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)
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16
+ select HAVE_VIRT_TO_BUS
select KTIME_SCALAR
select PERF_USE_VMALLOC
select RTC_LIB
select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
select MODULES_USE_ELF_REL
select CLONE_BACKWARDS
+ select OLD_SIGSUSPEND3
+ select OLD_SIGACTION
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
select ARM_HAS_SG_CHAIN
select NEED_SG_DMA_LENGTH
+if ARM_DMA_USE_IOMMU
+
+config ARM_DMA_IOMMU_ALIGNMENT
+ int "Maximum PAGE_SIZE order of alignment for DMA IOMMU buffers"
+ range 4 9
+ default 8
+ help
+ DMA mapping framework by default aligns all buffers to the smallest
+ PAGE_SIZE order which is greater than or equal to the requested buffer
+ size. This works well for buffers up to a few hundreds kilobytes, but
+ for larger buffers it just a waste of address space. Drivers which has
+ relatively small addressing window (like 64Mib) might run out of
+ virtual space with just a few allocations.
+
+ With this parameter you can specify the maximum PAGE_SIZE order for
+ DMA IOMMU buffers. Larger buffers will be aligned only to this
+ specified order. The order is expressed as a power of two multiplied
+ by the PAGE_SIZE.
+
+endif
+
config HAVE_PWM
bool
#
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"
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
config ARCH_SIRF
bool "CSR SiRF"
select ARCH_REQUIRE_GPIOLIB
+ select AUTO_ZRELADDR
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
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
select MULTI_IRQ_HANDLER
select NEED_MACH_MEMORY_H
select NO_IOPORT
+ select PINCTRL
select PM_GENERIC_DOMAINS if PM
select SPARSE_IRQ
help
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
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
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
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
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
select COMMON_CLK
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
select HAVE_TCM
select SPARSE_IRQ
help
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
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
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"
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"
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
config SMP_ON_UP
bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
- depends on EXPERIMENTAL
depends on SMP && !XIP_KERNEL
default y
help
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
accounting to be spread across the timer interval, preventing a
"thundering herd" at every timer tick.
+# The GPIO number here must be sorted by descending number. In case of
+# a multiplatform kernel, we just want the highest value required by the
+# selected platforms.
config ARCH_NR_GPIO
int
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
- default 355 if ARCH_U8500
- default 264 if MACH_H4700
default 512 if SOC_OMAP5
+ default 355 if ARCH_U8500
default 288 if ARCH_VT8500 || ARCH_SUNXI
+ default 264 if MACH_H4700
default 0
help
Maximum number of GPIOs in the system.
int
default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \
ARCH_S5PV210 || ARCH_EXYNOS4
- default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
default AT91_TIMER_HZ if ARCH_AT91
default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
default 100
config 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
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
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.
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.
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
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
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
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
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
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
projects / linux-imx.git / blobdiff