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Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig193
1 files changed, 150 insertions, 43 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9adc278a22ab..e91cec43f2c0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -3,14 +3,14 @@ config ARM
default y
select HAVE_AOUT
select HAVE_DMA_API_DEBUG
- select HAVE_IDE
+ select HAVE_IDE if PCI || ISA || PCMCIA
select HAVE_MEMBLOCK
select RTC_LIB
select SYS_SUPPORTS_APM_EMULATION
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 && !THUMB2_KERNEL)
+ select HAVE_KPROBES if !XIP_KERNEL
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
@@ -37,6 +37,9 @@ config ARM
Europe. There is an ARM Linux project with a web page at
<http://www.arm.linux.org.uk/>.
+config ARM_HAS_SG_CHAIN
+ bool
+
config HAVE_PWM
bool
@@ -192,8 +195,8 @@ config VECTORS_BASE
The base address of exception vectors.
config ARM_PATCH_PHYS_VIRT
- bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ bool "Patch physical to virtual translations at runtime" if EMBEDDED
+ default y
depends on !XIP_KERNEL && MMU
depends on !ARCH_REALVIEW || !SPARSEMEM
help
@@ -202,16 +205,16 @@ config ARM_PATCH_PHYS_VIRT
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.
+ of physical memory is at a 16MB boundary.
-config ARM_PATCH_PHYS_VIRT_16BIT
+ 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 GENERIC_BUG
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.
+ depends on BUG
source "init/Kconfig"
@@ -239,6 +242,7 @@ config ARCH_INTEGRATOR
select ARM_AMBA
select ARCH_HAS_CPUFREQ
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select ICST
select GENERIC_CLOCKEVENTS
select PLAT_VERSATILE
@@ -250,6 +254,7 @@ config ARCH_REALVIEW
bool "ARM Ltd. RealView family"
select ARM_AMBA
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -265,6 +270,7 @@ config ARCH_VERSATILE
select ARM_AMBA
select ARM_VIC
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -281,6 +287,7 @@ config ARCH_VEXPRESS
select ARM_AMBA
select ARM_TIMER_SP804
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select HAVE_PATA_PLATFORM
@@ -295,7 +302,6 @@ config ARCH_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.
@@ -321,7 +327,7 @@ config ARCH_CLPS711X
config ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family"
- select CPU_V6
+ select CPU_V6K
select GENERIC_CLOCKEVENTS
select ARM_GIC
select MIGHT_HAVE_PCI
@@ -337,6 +343,18 @@ config ARCH_GEMINI
help
Support for the Cortina Systems Gemini family SoCs
+config ARCH_PRIMA2
+ bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
+ select CPU_V7
+ select NO_IOPORT
+ select GENERIC_CLOCKEVENTS
+ select CLKDEV_LOOKUP
+ select GENERIC_IRQ_CHIP
+ select USE_OF
+ select ZONE_DMA
+ help
+ Support for CSR SiRFSoC ARM Cortex A9 Platform
+
config ARCH_EBSA110
bool "EBSA-110"
select CPU_SA110
@@ -366,6 +384,7 @@ config ARCH_FOOTBRIDGE
select CPU_SA110
select FOOTBRIDGE
select GENERIC_CLOCKEVENTS
+ select HAVE_IDE
help
Support for systems based on the DC21285 companion chip
("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
@@ -376,6 +395,7 @@ config ARCH_MXC
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
select CLKSRC_MMIO
+ select GENERIC_IRQ_CHIP
select HAVE_SCHED_CLOCK
help
Support for Freescale MXC/iMX-based family of processors
@@ -490,14 +510,6 @@ config ARCH_KIRKWOOD
Support for the following Marvell Kirkwood series SoCs:
88F6180, 88F6192 and 88F6281.
-config ARCH_LOKI
- bool "Marvell Loki (88RC8480)"
- select CPU_FEROCEON
- select GENERIC_CLOCKEVENTS
- select PLAT_ORION
- help
- Support for the Marvell Loki (88RC8480) SoC.
-
config ARCH_LPC32XX
bool "NXP LPC32XX"
select CLKSRC_MMIO
@@ -507,7 +519,6 @@ config ARCH_LPC32XX
select ARM_AMBA
select USB_ARCH_HAS_OHCI
select CLKDEV_LOOKUP
- select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
Support for the NXP LPC32XX family of processors
@@ -586,12 +597,10 @@ 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 HAVE_SCHED_CLOCK
- select ARCH_HAS_BARRIERS if CACHE_L2X0
select ARCH_HAS_CPUFREQ
help
This enables support for NVIDIA Tegra based systems (Tegra APX,
@@ -618,6 +627,10 @@ config ARCH_PXA
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
+ select AUTO_ZRELADDR
+ select MULTI_IRQ_HANDLER
+ select ARM_CPU_SUSPEND if PM
+ select HAVE_IDE
help
Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
@@ -638,10 +651,12 @@ config ARCH_SHMOBILE
bool "Renesas SH-Mobile / R-Mobile"
select HAVE_CLK
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select GENERIC_CLOCKEVENTS
select NO_IOPORT
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
+ select PM_GENERIC_DOMAINS if PM
help
Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
@@ -656,6 +671,7 @@ config ARCH_RPC
select NO_IOPORT
select ARCH_SPARSEMEM_ENABLE
select ARCH_USES_GETTIMEOFFSET
+ select HAVE_IDE
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.
@@ -674,6 +690,7 @@ config ARCH_SA1100
select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select ARCH_REQUIRE_GPIOLIB
+ select HAVE_IDE
help
Support for StrongARM 11x0 based boards.
@@ -682,6 +699,7 @@ config ARCH_S3C2410
select GENERIC_GPIO
select ARCH_HAS_CPUFREQ
select HAVE_CLK
+ select CLKDEV_LOOKUP
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_I2C if I2C
help
@@ -699,13 +717,13 @@ config ARCH_S3C64XX
select CPU_V6
select ARM_VIC
select HAVE_CLK
+ select CLKDEV_LOOKUP
select NO_IOPORT
select ARCH_USES_GETTIMEOFFSET
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
select SAMSUNG_CLKSRC
select SAMSUNG_IRQ_VIC_TIMER
- select SAMSUNG_IRQ_UART
select S3C_GPIO_TRACK
select S3C_GPIO_PULL_UPDOWN
select S3C_GPIO_CFG_S3C24XX
@@ -723,6 +741,8 @@ config ARCH_S5P64X0
select CPU_V6
select GENERIC_GPIO
select HAVE_CLK
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
@@ -736,6 +756,7 @@ config ARCH_S5PC100
bool "Samsung S5PC100"
select GENERIC_GPIO
select HAVE_CLK
+ select CLKDEV_LOOKUP
select CPU_V7
select ARM_L1_CACHE_SHIFT_6
select ARCH_USES_GETTIMEOFFSET
@@ -749,8 +770,11 @@ config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
select CPU_V7
select ARCH_SPARSEMEM_ENABLE
+ select ARCH_HAS_HOLES_MEMORYMODEL
select GENERIC_GPIO
select HAVE_CLK
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select ARM_L1_CACHE_SHIFT_6
select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
@@ -765,8 +789,10 @@ config ARCH_EXYNOS4
bool "Samsung EXYNOS4"
select CPU_V7
select ARCH_SPARSEMEM_ENABLE
+ select ARCH_HAS_HOLES_MEMORYMODEL
select GENERIC_GPIO
select HAVE_CLK
+ select CLKDEV_LOOKUP
select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
select HAVE_S3C_RTC if RTC_CLASS
@@ -808,7 +834,9 @@ config ARCH_U300
select ARM_VIC
select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
+ select HAVE_MACH_CLKDEV
select GENERIC_GPIO
+ select ARCH_REQUIRE_GPIOLIB
help
Support for ST-Ericsson U300 series mobile platforms.
@@ -852,6 +880,7 @@ config ARCH_OMAP
select HAVE_CLK
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
+ select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select ARCH_HAS_HOLES_MEMORYMODEL
@@ -879,6 +908,18 @@ config ARCH_VT8500
select HAVE_PWM
help
Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
+config ARCH_ZYNQ
+ bool "Xilinx Zynq ARM Cortex A9 Platform"
+ select CPU_V7
+ select GENERIC_CLOCKEVENTS
+ select CLKDEV_LOOKUP
+ select ARM_GIC
+ select ARM_AMBA
+ select ICST
+ select USE_OF
+ help
+ Support for Xilinx Zynq ARM Cortex A9 Platform
endchoice
#
@@ -924,8 +965,6 @@ source "arch/arm/mach-kirkwood/Kconfig"
source "arch/arm/mach-ks8695/Kconfig"
-source "arch/arm/mach-loki/Kconfig"
-
source "arch/arm/mach-lpc32xx/Kconfig"
source "arch/arm/mach-msm/Kconfig"
@@ -969,7 +1008,6 @@ 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-s3c2412/Kconfig"
source "arch/arm/mach-s3c2416/Kconfig"
@@ -1234,6 +1272,32 @@ config ARM_ERRATA_754327
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 && !SMP
+ 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.
+
endmenu
source "arch/arm/common/Kconfig"
@@ -1312,6 +1376,7 @@ config SMP
MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE
+ depends on MMU
select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
help
@@ -1325,7 +1390,7 @@ config SMP
processor machines. On a single processor machine, the kernel will
run faster if you say N here.
- See also <file:Documentation/i386/IO-APIC.txt>,
+ 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>.
@@ -1344,9 +1409,33 @@ config SMP_ON_UP
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
- depends on SMP
help
This option enables support for the ARM system coherency unit
@@ -1420,6 +1509,7 @@ config THUMB2_KERNEL
depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
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
@@ -1679,6 +1769,7 @@ config USE_OF
bool "Flattened Device Tree support"
select OF
select OF_EARLY_FLATTREE
+ select IRQ_DOMAIN
help
Include support for flattened device tree machine descriptions.
@@ -1715,17 +1806,34 @@ config ZBOOT_ROM
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 && EXPERIMENTAL
+ 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 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 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)"
- 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.
+ 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 CMDLINE
string "Default kernel command string"
@@ -1875,10 +1983,6 @@ config CPU_FREQ_PXA
default y
select CPU_FREQ_DEFAULT_GOV_USERSPACE
-config CPU_FREQ_S3C64XX
- bool "CPUfreq support for Samsung S3C64XX CPUs"
- depends on CPU_FREQ && CPU_S3C6410
-
config CPU_FREQ_S3C
bool
help
@@ -2025,6 +2129,9 @@ config ARCH_SUSPEND_POSSIBLE
CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
def_bool y
+config ARM_CPU_SUSPEND
+ def_bool PM_SLEEP
+
endmenu
source "net/Kconfig"