select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
+ select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CLONE_BACKWARDS
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_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
select IRQ_FORCED_THREADING
select KTIME_SCALAR
select MODULES_USE_ELF_REL
select NEED_MACH_MEMORY_H
select PLAT_VERSATILE
select SPARSE_IRQ
+ select USE_OF
select VERSATILE_FPGA_IRQ
help
Support for ARM's Integrator platform.
select CLKSRC_MMIO
select CPU_FA526
select GENERIC_CLOCKEVENTS
- select NEED_MACH_GPIO_H
help
Support for the Cortina Systems Gemini family SoCs
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
bool "IXP4xx-based"
depends on MMU
select ARCH_HAS_DMA_SET_COHERENT_MASK
+ select ARCH_SUPPORTS_BIG_ENDIAN
select ARCH_REQUIRE_GPIOLIB
select CLKSRC_MMIO
select CPU_XSCALE
select GPIO_PXA
select IRQ_DOMAIN
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PINCTRL
select PLAT_PXA
select SPARSE_IRQ
select GPIO_PXA
select HAVE_IDE
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PLAT_PXA
select SPARSE_IRQ
help
select GENERIC_CLOCKEVENTS
select HAVE_IDE
select ISA
- select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
help
select ARM_VIC
select CLKDEV_LOOKUP
select CLKSRC_SAMSUNG_PWM
+ select COMMON_CLK
select CPU_V6
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
select S3C_DEV_NAND
select S3C_GPIO_TRACK
select SAMSUNG_ATAGS
- select SAMSUNG_CLKSRC
select SAMSUNG_GPIOLIB_4BIT
select SAMSUNG_WAKEMASK
select SAMSUNG_WDT_RESET
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
select HAVE_IDE
- select NEED_MACH_GPIO_H
select TI_PRIV_EDMA
select USE_OF
select ZONE_DMA
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
-config XSCALE_PMU
- bool
- depends on CPU_XSCALE
- default y
-
config MULTI_IRQ_HANDLER
bool
help
depends on GENERIC_CLOCKEVENTS
depends on HAVE_SMP
depends on MMU || ARM_MPU
- select USE_GENERIC_SMP_HELPERS
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
for (multi-)cluster based systems, such as big.LITTLE based
systems.
+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 CPU_PM
+ select ARM_CPU_SUSPEND
+ 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"
default VMSPLIT_3G
neutralized via a kernel panic.
This feature requires gcc version 4.2 or above.
+config SWIOTLB
+ def_bool y
+
+config IOMMU_HELPER
+ def_bool SWIOTLB
+
config XEN_DOM0
def_bool y
depends on XEN
depends on CPU_V7 && !CPU_V6
depends on !GENERIC_ATOMIC64
select ARM_PSCI
+ select SWIOTLB_XEN
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
projects / linux-block.git / blobdiff