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-rw-r--r--arch/arm/Kconfig856
1 files changed, 452 insertions, 404 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a91009c..67874b8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1,50 +1,61 @@
config ARM
bool
default y
+ select ARCH_BINFMT_ELF_RANDOMIZE_PIE
+ select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAVE_CUSTOM_GPIO_H
- select HAVE_AOUT
- select HAVE_DMA_API_DEBUG
- select HAVE_IDE if PCI || ISA || PCMCIA
- select HAVE_DMA_ATTRS
- select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7)
- select HAVE_MEMBLOCK
- select RTC_LIB
- select SYS_SUPPORTS_APM_EMULATION
+ select ARCH_WANT_IPC_PARSE_VERSION
+ select BUILDTIME_EXTABLE_SORT if MMU
+ select CPU_PM if (SUSPEND || CPU_IDLE)
+ select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU
select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
- select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select GENERIC_IRQ_PROBE
+ select GENERIC_IRQ_SHOW
+ select GENERIC_PCI_IOMAP
+ select GENERIC_SMP_IDLE_THREAD
+ select GENERIC_STRNCPY_FROM_USER
+ select GENERIC_STRNLEN_USER
+ select HARDIRQS_SW_RESEND
+ select HAVE_AOUT
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
select HAVE_ARCH_KGDB
+ select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
- 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)
+ select HAVE_BPF_JIT
+ select HAVE_C_RECORDMCOUNT
+ select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DMA_API_DEBUG
+ select HAVE_DMA_ATTRS
+ select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
+ select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
- select ARCH_BINFMT_ELF_RANDOMIZE_PIE
+ select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
select HAVE_GENERIC_DMA_COHERENT
+ 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_LZO
select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
select HAVE_KERNEL_XZ
- select HAVE_IRQ_WORK
+ select HAVE_KPROBES if !XIP_KERNEL
+ select HAVE_KRETPROBES if (HAVE_KPROBES)
+ select HAVE_MEMBLOCK
+ select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
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 HARDIRQS_SW_RESEND
- select GENERIC_IRQ_PROBE
- select GENERIC_IRQ_SHOW
- select GENERIC_IRQ_PROBE
- select HARDIRQS_SW_RESEND
- select CPU_PM if (SUSPEND || CPU_IDLE)
- select GENERIC_PCI_IOMAP
- select HAVE_BPF_JIT
- select GENERIC_SMP_IDLE_THREAD
+ select HAVE_SYSCALL_TRACEPOINTS
+ select HAVE_UID16
select KTIME_SCALAR
- select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select PERF_USE_VMALLOC
+ select RTC_LIB
+ select SYS_SUPPORTS_APM_EMULATION
+ select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
+ select MODULES_USE_ELF_REL
+ select CLONE_BACKWARDS
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
@@ -60,9 +71,9 @@ config NEED_SG_DMA_LENGTH
bool
config ARM_DMA_USE_IOMMU
- select NEED_SG_DMA_LENGTH
- select ARM_HAS_SG_CHAIN
bool
+ select ARM_HAS_SG_CHAIN
+ select NEED_SG_DMA_LENGTH
config HAVE_PWM
bool
@@ -121,11 +132,6 @@ config TRACE_IRQFLAGS_SUPPORT
bool
default y
-config GENERIC_LOCKBREAK
- bool
- default y
- depends on SMP && PREEMPT
-
config RWSEM_GENERIC_SPINLOCK
bool
default y
@@ -203,6 +209,13 @@ config ARM_PATCH_PHYS_VIRT
this feature (eg, building a kernel for a single machine) and
you need to shrink the kernel to the minimal size.
+config NEED_MACH_GPIO_H
+ bool
+ help
+ Select this when mach/gpio.h is required to provide special
+ definitions for this platform. The need for mach/gpio.h should
+ be avoided when possible.
+
config NEED_MACH_IO_H
bool
help
@@ -248,166 +261,157 @@ config MMU
#
choice
prompt "ARM system type"
- default ARCH_VERSATILE
+ default ARCH_MULTIPLATFORM
+
+config ARCH_MULTIPLATFORM
+ bool "Allow multiple platforms to be selected"
+ depends on MMU
+ select ARM_PATCH_PHYS_VIRT
+ select AUTO_ZRELADDR
+ select COMMON_CLK
+ select MULTI_IRQ_HANDLER
+ select SPARSE_IRQ
+ select USE_OF
config ARCH_INTEGRATOR
bool "ARM Ltd. Integrator family"
- select ARM_AMBA
select ARCH_HAS_CPUFREQ
- select CLKDEV_LOOKUP
- select HAVE_MACH_CLKDEV
+ select ARM_AMBA
+ select COMMON_CLK
+ select COMMON_CLK_VERSATILE
+ select GENERIC_CLOCKEVENTS
select HAVE_TCM
select ICST
- select GENERIC_CLOCKEVENTS
- select PLAT_VERSATILE
- select PLAT_VERSATILE_FPGA_IRQ
- select NEED_MACH_IO_H
+ select MULTI_IRQ_HANDLER
select NEED_MACH_MEMORY_H
+ select PLAT_VERSATILE
select SPARSE_IRQ
- select MULTI_IRQ_HANDLER
+ select VERSATILE_FPGA_IRQ
help
Support for ARM's Integrator platform.
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
- select PLAT_VERSATILE
- select PLAT_VERSATILE_CLCD
+ select ARM_AMBA
select ARM_TIMER_SP804
+ select COMMON_CLK
+ select COMMON_CLK_VERSATILE
+ select GENERIC_CLOCKEVENTS
select GPIO_PL061 if GPIOLIB
+ select ICST
select NEED_MACH_MEMORY_H
+ select PLAT_VERSATILE
+ select PLAT_VERSATILE_CLCD
help
This enables support for ARM Ltd RealView boards.
config ARCH_VERSATILE
bool "ARM Ltd. Versatile family"
- select ARM_AMBA
- select ARM_VIC
- select CLKDEV_LOOKUP
- select HAVE_MACH_CLKDEV
- select ICST
- select GENERIC_CLOCKEVENTS
- select ARCH_WANT_OPTIONAL_GPIOLIB
- select NEED_MACH_IO_H if PCI
- 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.
-
-config ARCH_VEXPRESS
- bool "ARM Ltd. Versatile Express family"
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_TIMER_SP804
+ select ARM_VIC
select CLKDEV_LOOKUP
- select HAVE_MACH_CLKDEV
select GENERIC_CLOCKEVENTS
- select HAVE_CLK
- select HAVE_PATA_PLATFORM
+ select HAVE_MACH_CLKDEV
select ICST
- select NO_IOPORT
select PLAT_VERSATILE
select PLAT_VERSATILE_CLCD
+ select PLAT_VERSATILE_CLOCK
+ select VERSATILE_FPGA_IRQ
help
- This enables support for the ARM Ltd Versatile Express boards.
+ This enables support for ARM Ltd Versatile board.
config ARCH_AT91
bool "Atmel AT91"
select ARCH_REQUIRE_GPIOLIB
- select HAVE_CLK
select CLKDEV_LOOKUP
+ select HAVE_CLK
select IRQ_DOMAIN
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H if PCCARD
+ select PINCTRL
+ select PINCTRL_AT91 if USE_OF
help
This enables support for systems based on Atmel
AT91RM9200 and AT91SAM9* processors.
-config ARCH_BCMRING
- bool "Broadcom BCMRING"
- depends on MMU
- select CPU_V6
- select ARM_AMBA
- select ARM_TIMER_SP804
- select CLKDEV_LOOKUP
- select GENERIC_CLOCKEVENTS
- select ARCH_WANT_OPTIONAL_GPIOLIB
- help
- Support for Broadcom's BCMRing platform.
-
-config ARCH_HIGHBANK
- bool "Calxeda Highbank-based"
- select ARCH_WANT_OPTIONAL_GPIOLIB
+config ARCH_BCM2835
+ bool "Broadcom BCM2835 family"
+ select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
- select ARM_GIC
+ select ARM_ERRATA_411920
select ARM_TIMER_SP804
- select CACHE_L2X0
select CLKDEV_LOOKUP
- select CPU_V7
+ select COMMON_CLK
+ select CPU_V6
select GENERIC_CLOCKEVENTS
- select HAVE_ARM_SCU
- select HAVE_SMP
+ select GENERIC_GPIO
+ select MULTI_IRQ_HANDLER
+ select PINCTRL
+ select PINCTRL_BCM2835
select SPARSE_IRQ
select USE_OF
help
- Support for the Calxeda Highbank SoC based boards.
-
-config ARCH_CLPS711X
- bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
- select CPU_ARM720T
- select ARCH_USES_GETTIMEOFFSET
- select NEED_MACH_MEMORY_H
- help
- Support for Cirrus Logic 711x/721x/731x based boards.
+ This enables support for the Broadcom BCM2835 SoC. This SoC is
+ use in the Raspberry Pi, and Roku 2 devices.
config ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family"
+ select ARM_GIC
select CPU_V6K
select GENERIC_CLOCKEVENTS
- select ARM_GIC
select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
help
Support for Cavium Networks CNS3XXX platform.
+config ARCH_CLPS711X
+ bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
+ select ARCH_REQUIRE_GPIOLIB
+ select AUTO_ZRELADDR
+ select CLKDEV_LOOKUP
+ select COMMON_CLK
+ select CPU_ARM720T
+ select GENERIC_CLOCKEVENTS
+ select MULTI_IRQ_HANDLER
+ select NEED_MACH_MEMORY_H
+ select SPARSE_IRQ
+ help
+ Support for Cirrus Logic 711x/721x/731x based boards.
+
config ARCH_GEMINI
bool "Cortina Systems Gemini"
- select CPU_FA526
select ARCH_REQUIRE_GPIOLIB
select ARCH_USES_GETTIMEOFFSET
+ select CPU_FA526
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
+config ARCH_SIRF
+ bool "CSR SiRF"
+ select ARCH_REQUIRE_GPIOLIB
+ select COMMON_CLK
select GENERIC_CLOCKEVENTS
- select CLKDEV_LOOKUP
select GENERIC_IRQ_CHIP
select MIGHT_HAVE_CACHE_L2X0
+ select NO_IOPORT
select PINCTRL
select PINCTRL_SIRF
select USE_OF
- select ZONE_DMA
help
- Support for CSR SiRFSoC ARM Cortex A9 Platform
+ Support for CSR SiRFprimaII/Marco/Polo platforms
config ARCH_EBSA110
bool "EBSA-110"
+ select ARCH_USES_GETTIMEOFFSET
select CPU_SA110
select ISA
- select NO_IOPORT
- select ARCH_USES_GETTIMEOFFSET
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
+ select NO_IOPORT
help
This is an evaluation board for the StrongARM processor available
from Digital. It has limited hardware on-board, including an
@@ -416,13 +420,13 @@ config ARCH_EBSA110
config ARCH_EP93XX
bool "EP93xx-based"
- select CPU_ARM920T
+ select ARCH_HAS_HOLES_MEMORYMODEL
+ select ARCH_REQUIRE_GPIOLIB
+ select ARCH_USES_GETTIMEOFFSET
select ARM_AMBA
select ARM_VIC
select CLKDEV_LOOKUP
- select ARCH_REQUIRE_GPIOLIB
- select ARCH_HAS_HOLES_MEMORYMODEL
- select ARCH_USES_GETTIMEOFFSET
+ select CPU_ARM920T
select NEED_MACH_MEMORY_H
help
This enables support for the Cirrus EP93xx series of CPUs.
@@ -433,76 +437,66 @@ config ARCH_FOOTBRIDGE
select FOOTBRIDGE
select GENERIC_CLOCKEVENTS
select HAVE_IDE
- select NEED_MACH_IO_H
+ select NEED_MACH_IO_H if !MMU
select NEED_MACH_MEMORY_H
help
Support for systems based on the DC21285 companion chip
("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
-config ARCH_MXC
- bool "Freescale MXC/iMX-based"
- select GENERIC_CLOCKEVENTS
- select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
- select CLKSRC_MMIO
- select GENERIC_IRQ_CHIP
- select MULTI_IRQ_HANDLER
- help
- Support for Freescale MXC/iMX-based family of processors
-
config ARCH_MXS
bool "Freescale MXS-based"
- select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
select CLKSRC_MMIO
select COMMON_CLK
+ select GENERIC_CLOCKEVENTS
select HAVE_CLK_PREPARE
+ select MULTI_IRQ_HANDLER
select PINCTRL
+ select SPARSE_IRQ
select USE_OF
help
Support for Freescale MXS-based family of processors
config ARCH_NETX
bool "Hilscher NetX based"
+ select ARM_VIC
select CLKSRC_MMIO
select CPU_ARM926T
- select ARM_VIC
select GENERIC_CLOCKEVENTS
help
This enables support for systems based on the Hilscher NetX Soc
config ARCH_H720X
bool "Hynix HMS720x-based"
+ select ARCH_USES_GETTIMEOFFSET
select CPU_ARM720T
select ISA_DMA_API
- select ARCH_USES_GETTIMEOFFSET
help
This enables support for systems based on the Hynix HMS720x
config ARCH_IOP13XX
bool "IOP13xx-based"
depends on MMU
- select CPU_XSC3
- select PLAT_IOP
- select PCI
select ARCH_SUPPORTS_MSI
- select VMSPLIT_1G
- select NEED_MACH_IO_H
+ select CPU_XSC3
select NEED_MACH_MEMORY_H
select NEED_RET_TO_USER
+ select PCI
+ select PLAT_IOP
+ select VMSPLIT_1G
help
Support for Intel's IOP13XX (XScale) family of processors.
config ARCH_IOP32X
bool "IOP32x-based"
depends on MMU
+ select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_IO_H
+ select NEED_MACH_GPIO_H
select NEED_RET_TO_USER
- select PLAT_IOP
select PCI
- select ARCH_REQUIRE_GPIOLIB
+ select PLAT_IOP
help
Support for Intel's 80219 and IOP32X (XScale) family of
processors.
@@ -510,12 +504,12 @@ config ARCH_IOP32X
config ARCH_IOP33X
bool "IOP33x-based"
depends on MMU
+ select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_IO_H
+ select NEED_MACH_GPIO_H
select NEED_RET_TO_USER
- select PLAT_IOP
select PCI
- select ARCH_REQUIRE_GPIOLIB
+ select PLAT_IOP
help
Support for Intel's IOP33X (XScale) family of processors.
@@ -523,61 +517,51 @@ config ARCH_IXP4XX
bool "IXP4xx-based"
depends on MMU
select ARCH_HAS_DMA_SET_COHERENT_MASK
+ select ARCH_REQUIRE_GPIOLIB
select CLKSRC_MMIO
select CPU_XSCALE
- select ARCH_REQUIRE_GPIOLIB
+ select DMABOUNCE if PCI
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
select NEED_MACH_IO_H
- 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 COMMON_CLK_DOVE
+ select CPU_V7
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select MIGHT_HAVE_PCI
+ select PINCTRL
+ select PINCTRL_DOVE
+ select PLAT_ORION_LEGACY
+ select USB_ARCH_HAS_EHCI
help
Support for the Marvell Dove SoC 88AP510
config ARCH_KIRKWOOD
bool "Marvell Kirkwood"
- select CPU_FEROCEON
- select PCI
select ARCH_REQUIRE_GPIOLIB
+ select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PCI
+ select PCI_QUIRKS
+ select PINCTRL
+ select PINCTRL_KIRKWOOD
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell Kirkwood series SoCs:
88F6180, 88F6192 and 88F6281.
-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 CLKDEV_LOOKUP
- select GENERIC_CLOCKEVENTS
- select USE_OF
- help
- Support for the NXP LPC32XX family of processors
-
config ARCH_MV78XX0
bool "Marvell MV78xx0"
- select CPU_FEROCEON
- select PCI
select ARCH_REQUIRE_GPIOLIB
+ select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PCI
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell MV78xx0 series SoCs:
MV781x0, MV782x0.
@@ -585,12 +569,11 @@ config ARCH_MV78XX0
config ARCH_ORION5X
bool "Marvell Orion"
depends on MMU
- select CPU_FEROCEON
- select PCI
select ARCH_REQUIRE_GPIOLIB
+ select CPU_FEROCEON
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PCI
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell Orion 5x series SoCs:
Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
@@ -601,20 +584,23 @@ config ARCH_MMP
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
+ select GENERIC_ALLOCATOR
select GENERIC_CLOCKEVENTS
select GPIO_PXA
select IRQ_DOMAIN
+ select NEED_MACH_GPIO_H
+ select PINCTRL
select PLAT_PXA
select SPARSE_IRQ
- select GENERIC_ALLOCATOR
help
Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
config ARCH_KS8695
bool "Micrel/Kendin KS8695"
- select CPU_ARM922T
select ARCH_REQUIRE_GPIOLIB
- select ARCH_USES_GETTIMEOFFSET
+ select CLKSRC_MMIO
+ select CPU_ARM922T
+ select GENERIC_CLOCKEVENTS
select NEED_MACH_MEMORY_H
help
Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
@@ -622,10 +608,10 @@ config ARCH_KS8695
config ARCH_W90X900
bool "Nuvoton W90X900 CPU"
- select CPU_ARM926T
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
select CLKSRC_MMIO
+ select CPU_ARM926T
select GENERIC_CLOCKEVENTS
help
Support for Nuvoton (Winbond logic dept.) ARM9 processor,
@@ -636,72 +622,64 @@ config ARCH_W90X900
<http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
+config ARCH_LPC32XX
+ bool "NXP LPC32XX"
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
+ select CPU_ARM926T
+ select GENERIC_CLOCKEVENTS
+ select HAVE_IDE
+ select HAVE_PWM
+ select USB_ARCH_HAS_OHCI
+ select USE_OF
+ help
+ Support for the NXP LPC32XX family of processors
+
config ARCH_TEGRA
bool "NVIDIA Tegra"
+ select ARCH_HAS_CPUFREQ
select CLKDEV_LOOKUP
select CLKSRC_MMIO
+ select COMMON_CLK
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
- select NEED_MACH_IO_H if PCI
- select ARCH_HAS_CPUFREQ
- help
- This enables support for NVIDIA Tegra based systems (Tegra APX,
- Tegra 6xx and Tegra 2 series).
-
-config ARCH_PICOXCELL
- bool "Picochip picoXcell"
- select ARCH_REQUIRE_GPIOLIB
- select ARM_PATCH_PHYS_VIRT
- select ARM_VIC
- select CPU_V6K
- select DW_APB_TIMER
- select GENERIC_CLOCKEVENTS
- select GENERIC_GPIO
- select HAVE_TCM
- select NO_IOPORT
select SPARSE_IRQ
select USE_OF
help
- This enables support for systems based on the Picochip picoXcell
- family of Femtocell devices. The picoxcell support requires device tree
- for all boards.
-
-config ARCH_PNX4008
- bool "Philips Nexperia PNX4008 Mobile"
- select CPU_ARM926T
- select CLKDEV_LOOKUP
- select ARCH_USES_GETTIMEOFFSET
- help
- This enables support for Philips PNX4008 mobile platform.
+ This enables support for NVIDIA Tegra based systems (Tegra APX,
+ Tegra 6xx and Tegra 2 series).
config ARCH_PXA
bool "PXA2xx/PXA3xx-based"
depends on MMU
- select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
+ select ARCH_MTD_XIP
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_CPU_SUSPEND if PM
+ select AUTO_ZRELADDR
select CLKDEV_LOOKUP
select CLKSRC_MMIO
- select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select GPIO_PXA
+ select HAVE_IDE
+ select MULTI_IRQ_HANDLER
+ select NEED_MACH_GPIO_H
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.
config ARCH_MSM
bool "Qualcomm MSM"
- select HAVE_CLK
- select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CLK
help
Support for Qualcomm MSM/QSD based systems. This runs on the
apps processor of the MSM/QSD and depends on a shared memory
@@ -711,50 +689,51 @@ config ARCH_MSM
config ARCH_SHMOBILE
bool "Renesas SH-Mobile / R-Mobile"
- select HAVE_CLK
select CLKDEV_LOOKUP
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CLK
select HAVE_MACH_CLKDEV
select HAVE_SMP
- select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_CACHE_L2X0
- select NO_IOPORT
- select SPARSE_IRQ
select MULTI_IRQ_HANDLER
- select PM_GENERIC_DOMAINS if PM
select NEED_MACH_MEMORY_H
+ select NO_IOPORT
+ select PM_GENERIC_DOMAINS if PM
+ select SPARSE_IRQ
help
Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
config ARCH_RPC
bool "RiscPC"
select ARCH_ACORN
- select FIQ
select ARCH_MAY_HAVE_PC_FDC
- select HAVE_PATA_PLATFORM
- select ISA_DMA_API
- select NO_IOPORT
select ARCH_SPARSEMEM_ENABLE
select ARCH_USES_GETTIMEOFFSET
+ select FIQ
select HAVE_IDE
+ select HAVE_PATA_PLATFORM
+ select ISA_DMA_API
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
+ select NO_IOPORT
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.
config ARCH_SA1100
bool "SA1100-based"
- select CLKSRC_MMIO
- select CPU_SA1100
- select ISA
- select ARCH_SPARSEMEM_ENABLE
- select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
+ select ARCH_MTD_XIP
+ select ARCH_REQUIRE_GPIOLIB
+ select ARCH_SPARSEMEM_ENABLE
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select CPU_FREQ
+ select CPU_SA1100
select GENERIC_CLOCKEVENTS
- select CLKDEV_LOOKUP
- select ARCH_REQUIRE_GPIOLIB
select HAVE_IDE
+ select ISA
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
help
@@ -762,14 +741,15 @@ config ARCH_SA1100
config ARCH_S3C24XX
bool "Samsung S3C24XX SoCs"
- select GENERIC_GPIO
select ARCH_HAS_CPUFREQ
- select HAVE_CLK
- select CLKDEV_LOOKUP
select ARCH_USES_GETTIMEOFFSET
+ select CLKDEV_LOOKUP
+ select GENERIC_GPIO
+ select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
- select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
help
Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
@@ -779,100 +759,104 @@ config ARCH_S3C24XX
config ARCH_S3C64XX
bool "Samsung S3C64XX"
- select PLAT_SAMSUNG
- select CPU_V6
+ select ARCH_HAS_CPUFREQ
+ select ARCH_REQUIRE_GPIOLIB
+ select ARCH_USES_GETTIMEOFFSET
select ARM_VIC
+ select CLKDEV_LOOKUP
+ select CPU_V6
select HAVE_CLK
+ select HAVE_S3C2410_I2C if I2C
+ select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_TCM
- select CLKDEV_LOOKUP
+ select NEED_MACH_GPIO_H
select NO_IOPORT
- select ARCH_USES_GETTIMEOFFSET
- select ARCH_HAS_CPUFREQ
- select ARCH_REQUIRE_GPIOLIB
+ select PLAT_SAMSUNG
+ select S3C_DEV_NAND
+ select S3C_GPIO_TRACK
select SAMSUNG_CLKSRC
+ select SAMSUNG_GPIOLIB_4BIT
select SAMSUNG_IRQ_VIC_TIMER
- select S3C_GPIO_TRACK
- select S3C_DEV_NAND
select USB_ARCH_HAS_OHCI
- select SAMSUNG_GPIOLIB_4BIT
- select HAVE_S3C2410_I2C if I2C
- select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S3C64XX series based systems
config ARCH_S5P64X0
bool "Samsung S5P6440 S5P6450"
- select CPU_V6
- select GENERIC_GPIO
- select HAVE_CLK
select CLKDEV_LOOKUP
select CLKSRC_MMIO
- select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ 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 HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
help
Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
SMDK6450.
config ARCH_S5PC100
bool "Samsung S5PC100"
- select GENERIC_GPIO
- select HAVE_CLK
+ select ARCH_USES_GETTIMEOFFSET
select CLKDEV_LOOKUP
select CPU_V7
- select ARCH_USES_GETTIMEOFFSET
+ select GENERIC_GPIO
+ select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
- select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
help
Samsung S5PC100 series based systems
config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
- select CPU_V7
- select ARCH_SPARSEMEM_ENABLE
+ select ARCH_HAS_CPUFREQ
select ARCH_HAS_HOLES_MEMORYMODEL
- select GENERIC_GPIO
- select HAVE_CLK
+ select ARCH_SPARSEMEM_ENABLE
select CLKDEV_LOOKUP
select CLKSRC_MMIO
- select ARCH_HAS_CPUFREQ
+ select CPU_V7
select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
+ select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
- select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
help
Samsung S5PV210/S5PC110 series based systems
config ARCH_EXYNOS
- bool "SAMSUNG EXYNOS"
- select CPU_V7
- select ARCH_SPARSEMEM_ENABLE
+ bool "Samsung EXYNOS"
+ select ARCH_HAS_CPUFREQ
select ARCH_HAS_HOLES_MEMORYMODEL
- select GENERIC_GPIO
- select HAVE_CLK
+ select ARCH_SPARSEMEM_ENABLE
select CLKDEV_LOOKUP
- select ARCH_HAS_CPUFREQ
+ select CPU_V7
select GENERIC_CLOCKEVENTS
- select HAVE_S3C_RTC if RTC_CLASS
+ select GENERIC_GPIO
+ select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
help
Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
config ARCH_SHARK
bool "Shark"
+ select ARCH_USES_GETTIMEOFFSET
select CPU_SA110
select ISA
select ISA_DMA
- select ZONE_DMA
- select PCI
- select ARCH_USES_GETTIMEOFFSET
select NEED_MACH_MEMORY_H
- select NEED_MACH_IO_H
+ select PCI
+ select ZONE_DMA
help
Support for the StrongARM based Digital DNARD machine, also known
as "Shark" (<http://www.shark-linux.de/shark.html>).
@@ -880,116 +864,163 @@ config ARCH_SHARK
config ARCH_U300
bool "ST-Ericsson U300 Series"
depends on MMU
- select CLKSRC_MMIO
- select CPU_ARM926T
- select HAVE_TCM
+ select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_PATCH_PHYS_VIRT
select ARM_VIC
- select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
- select HAVE_MACH_CLKDEV
+ select CLKSRC_MMIO
+ select COMMON_CLK
+ select CPU_ARM926T
+ select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
- select ARCH_REQUIRE_GPIOLIB
+ select HAVE_TCM
+ select SPARSE_IRQ
help
Support for ST-Ericsson U300 series mobile platforms.
config ARCH_U8500
bool "ST-Ericsson U8500 Series"
depends on MMU
- select CPU_V7
+ select ARCH_HAS_CPUFREQ
+ select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
- select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
- select ARCH_REQUIRE_GPIOLIB
- select ARCH_HAS_CPUFREQ
+ select CPU_V7
+ select GENERIC_CLOCKEVENTS
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
+ select SPARSE_IRQ
help
Support for ST-Ericsson's Ux500 architecture
config ARCH_NOMADIK
bool "STMicroelectronics Nomadik"
+ select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_VIC
+ select COMMON_CLK
select CPU_ARM926T
- select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
- select PINCTRL
select MIGHT_HAVE_CACHE_L2X0
- select ARCH_REQUIRE_GPIOLIB
+ select PINCTRL
+ select PINCTRL_STN8815
+ select SPARSE_IRQ
help
Support for the Nomadik platform by ST-Ericsson
+config PLAT_SPEAR
+ bool "ST SPEAr"
+ select ARCH_HAS_CPUFREQ
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
+ select COMMON_CLK
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CLK
+ help
+ Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
+
config ARCH_DAVINCI
bool "TI DaVinci"
- select GENERIC_CLOCKEVENTS
+ select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_REQUIRE_GPIOLIB
- select ZONE_DMA
- select HAVE_IDE
select CLKDEV_LOOKUP
select GENERIC_ALLOCATOR
+ select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
- select ARCH_HAS_HOLES_MEMORYMODEL
+ select HAVE_IDE
+ select NEED_MACH_GPIO_H
+ select USE_OF
+ select ZONE_DMA
help
Support for TI's DaVinci platform.
config ARCH_OMAP
bool "TI OMAP"
- select HAVE_CLK
- select ARCH_REQUIRE_GPIOLIB
+ depends on MMU
select ARCH_HAS_CPUFREQ
- select CLKSRC_MMIO
- select GENERIC_CLOCKEVENTS
select ARCH_HAS_HOLES_MEMORYMODEL
- help
- Support for TI's OMAP platform (OMAP1/2/3/4).
-
-config PLAT_SPEAR
- bool "ST SPEAr"
- select ARM_AMBA
select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
- select COMMON_CLK
select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select HAVE_CLK
help
- Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
+ Support for TI's OMAP platform (OMAP1/2/3/4).
-config ARCH_VT8500
+config ARCH_VT8500_SINGLE
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.
-
-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 MIGHT_HAVE_CACHE_L2X0
+ select COMMON_CLK
+ select CPU_ARM926T
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
+ select HAVE_CLK
+ select MULTI_IRQ_HANDLER
+ select SPARSE_IRQ
select USE_OF
help
- Support for Xilinx Zynq ARM Cortex A9 Platform
+ Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
endchoice
+menu "Multiple platform selection"
+ depends on ARCH_MULTIPLATFORM
+
+comment "CPU Core family selection"
+
+config ARCH_MULTI_V4
+ bool "ARMv4 based platforms (FA526, StrongARM)"
+ depends on !ARCH_MULTI_V6_V7
+ select ARCH_MULTI_V4_V5
+
+config ARCH_MULTI_V4T
+ bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
+ depends on !ARCH_MULTI_V6_V7
+ select ARCH_MULTI_V4_V5
+
+config ARCH_MULTI_V5
+ bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
+ depends on !ARCH_MULTI_V6_V7
+ select ARCH_MULTI_V4_V5
+
+config ARCH_MULTI_V4_V5
+ bool
+
+config ARCH_MULTI_V6
+ bool "ARMv6 based platforms (ARM11, Scorpion, ...)"
+ select ARCH_MULTI_V6_V7
+ select CPU_V6
+
+config ARCH_MULTI_V7
+ bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)"
+ default y
+ select ARCH_MULTI_V6_V7
+ select ARCH_VEXPRESS
+ select CPU_V7
+
+config ARCH_MULTI_V6_V7
+ bool
+
+config ARCH_MULTI_CPU_AUTO
+ def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7)
+ select ARCH_MULTI_V5
+
+endmenu
+
#
# This is sorted alphabetically by mach-* pathname. However, plat-*
# Kconfigs may be included either alphabetically (according to the
# plat- suffix) or along side the corresponding mach-* source.
#
+source "arch/arm/mach-mvebu/Kconfig"
+
source "arch/arm/mach-at91/Kconfig"
-source "arch/arm/mach-bcmring/Kconfig"
+source "arch/arm/mach-bcm/Kconfig"
source "arch/arm/mach-clps711x/Kconfig"
@@ -1007,6 +1038,8 @@ source "arch/arm/mach-gemini/Kconfig"
source "arch/arm/mach-h720x/Kconfig"
+source "arch/arm/mach-highbank/Kconfig"
+
source "arch/arm/mach-integrator/Kconfig"
source "arch/arm/mach-iop32x/Kconfig"
@@ -1021,20 +1054,17 @@ source "arch/arm/mach-kirkwood/Kconfig"
source "arch/arm/mach-ks8695/Kconfig"
-source "arch/arm/mach-lpc32xx/Kconfig"
-
source "arch/arm/mach-msm/Kconfig"
source "arch/arm/mach-mv78xx0/Kconfig"
-source "arch/arm/plat-mxc/Kconfig"
+source "arch/arm/mach-imx/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/plat-omap/Kconfig"
@@ -1044,6 +1074,8 @@ source "arch/arm/mach-omap2/Kconfig"
source "arch/arm/mach-orion5x/Kconfig"
+source "arch/arm/mach-picoxcell/Kconfig"
+
source "arch/arm/mach-pxa/Kconfig"
source "arch/arm/plat-pxa/Kconfig"
@@ -1056,6 +1088,8 @@ 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"
@@ -1078,6 +1112,10 @@ source "arch/arm/mach-exynos/Kconfig"
source "arch/arm/mach-shmobile/Kconfig"
+source "arch/arm/mach-sunxi/Kconfig"
+
+source "arch/arm/mach-prima2/Kconfig"
+
source "arch/arm/mach-tegra/Kconfig"
source "arch/arm/mach-u300/Kconfig"
@@ -1093,6 +1131,8 @@ source "arch/arm/mach-vt8500/Kconfig"
source "arch/arm/mach-w90x900/Kconfig"
+source "arch/arm/mach-zynq/Kconfig"
+
# Definitions to make life easier
config ARCH_ACORN
bool
@@ -1104,8 +1144,13 @@ config PLAT_IOP
config PLAT_ORION
bool
select CLKSRC_MMIO
- select GENERIC_IRQ_CHIP
select COMMON_CLK
+ select GENERIC_IRQ_CHIP
+ select IRQ_DOMAIN
+
+config PLAT_ORION_LEGACY
+ bool
+ select PLAT_ORION
config PLAT_PXA
bool
@@ -1128,7 +1173,7 @@ config ARM_NR_BANKS
config IWMMXT
bool "Enable iWMMXt support"
depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
- default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
+ default y if PXA27x || PXA3xx || ARCH_MMP
help
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
@@ -1138,12 +1183,6 @@ config XSCALE_PMU
depends on CPU_XSCALE
default y
-config CPU_HAS_PMU
- depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \
- (!ARCH_OMAP3 || OMAP3_EMU)
- default y
- bool
-
config MULTI_IRQ_HANDLER
bool
help
@@ -1190,6 +1229,7 @@ config ARM_ERRATA_430973
config ARM_ERRATA_458693
bool "ARM errata: Processor deadlock when a false hazard is created"
depends on CPU_V7
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 458693 Cortex-A8 (r2p0)
erratum. For very specific sequences of memory operations, it is
@@ -1203,6 +1243,7 @@ config ARM_ERRATA_458693
config ARM_ERRATA_460075
bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
depends on CPU_V7
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 460075 Cortex-A8 (r2p0)
erratum. Any asynchronous access to the L2 cache may encounter a
@@ -1215,6 +1256,7 @@ config ARM_ERRATA_460075
config ARM_ERRATA_742230
bool "ARM errata: DMB operation may be faulty"
depends on CPU_V7 && SMP
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 742230 Cortex-A9
(r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
@@ -1227,6 +1269,7 @@ config ARM_ERRATA_742230
config ARM_ERRATA_742231
bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
depends on CPU_V7 && SMP
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 742231 Cortex-A9
(r2p0..r2p2) erratum. Under certain conditions, specific to the
@@ -1277,6 +1320,7 @@ config PL310_ERRATA_727915
config ARM_ERRATA_743622
bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
depends on CPU_V7
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 743622 Cortex-A9
(r2p*) erratum. Under very rare conditions, a faulty
@@ -1290,6 +1334,7 @@ config ARM_ERRATA_743622
config ARM_ERRATA_751472
bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
depends on CPU_V7
+ depends on !ARCH_MULTIPLATFORM
help
This option enables the workaround for the 751472 Cortex-A9 (prior
to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
@@ -1372,6 +1417,16 @@ config PL310_ERRATA_769419
on systems with an outer cache, the store buffer is drained
explicitly.
+config ARM_ERRATA_775420
+ bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock"
+ depends on CPU_V7
+ help
+ This option enables the workaround for the 775420 Cortex-A9 (r2p2,
+ r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance
+ operation aborts with MMU exception, it might cause the processor
+ to deadlock. This workaround puts DSB before executing ISB if
+ an abort may occur on cache maintenance.
+
endmenu
source "arch/arm/common/Kconfig"
@@ -1455,8 +1510,8 @@ config SMP
depends on GENERIC_CLOCKEVENTS
depends on HAVE_SMP
depends on MMU
- select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
+ 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
@@ -1559,8 +1614,8 @@ config NR_CPUS
default "4"
config HOTPLUG_CPU
- bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
- depends on SMP && HOTPLUG && EXPERIMENTAL
+ bool "Support for hot-pluggable CPUs"
+ depends on SMP && HOTPLUG
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
@@ -1581,6 +1636,8 @@ config ARCH_NR_GPIO
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
default 355 if ARCH_U8500
default 264 if MACH_H4700
+ default 512 if SOC_OMAP5
+ default 288 if ARCH_VT8500
default 0
help
Maximum number of GPIOs in the system.
@@ -1599,8 +1656,8 @@ config HZ
default 100
config THUMB2_KERNEL
- bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
- depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
+ bool "Compile the kernel in Thumb-2 mode"
+ depends on CPU_V7 && !CPU_V6 && !CPU_V6K
select AEABI
select ARM_ASM_UNIFIED
select ARM_UNWIND
@@ -1715,7 +1772,7 @@ config HIGHPTE
config HW_PERF_EVENTS
bool "Enable hardware performance counter support for perf events"
- depends on PERF_EVENTS && CPU_HAS_PMU
+ depends on PERF_EVENTS
default y
help
Enable hardware performance counter support for perf events. If
@@ -1726,6 +1783,7 @@ source "mm/Kconfig"
config FORCE_MAX_ZONEORDER
int "Maximum zone order" if ARCH_SHMOBILE
range 11 64 if ARCH_SHMOBILE
+ default "12" if SOC_AM33XX
default "9" if SA1111
default "11"
help
@@ -1739,59 +1797,6 @@ config FORCE_MAX_ZONEORDER
This config option is actually maximum order plus one. For example,
a value of 11 means that the largest free memory block is 2^10 pages.
-config LEDS
- bool "Timer and CPU usage LEDs"
- depends on ARCH_CDB89712 || ARCH_EBSA110 || \
- ARCH_EBSA285 || ARCH_INTEGRATOR || \
- ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
- ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
- ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
- ARCH_AT91 || ARCH_DAVINCI || \
- ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
- help
- If you say Y here, the LEDs on your machine will be used
- to provide useful information about your current system status.
-
- If you are compiling a kernel for a NetWinder or EBSA-285, you will
- be able to select which LEDs are active using the options below. If
- you are compiling a kernel for the EBSA-110 or the LART however, the
- red LED will simply flash regularly to indicate that the system is
- still functional. It is safe to say Y here if you have a CATS
- system, but the driver will do nothing.
-
-config LEDS_TIMER
- bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
- OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
- || MACH_OMAP_PERSEUS2
- depends on LEDS
- depends on !GENERIC_CLOCKEVENTS
- default y if ARCH_EBSA110
- help
- If you say Y here, one of the system LEDs (the green one on the
- NetWinder, the amber one on the EBSA285, or the red one on the LART)
- will flash regularly to indicate that the system is still
- operational. This is mainly useful to kernel hackers who are
- debugging unstable kernels.
-
- The LART uses the same LED for both Timer LED and CPU usage LED
- functions. You may choose to use both, but the Timer LED function
- will overrule the CPU usage LED.
-
-config LEDS_CPU
- bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
- !ARCH_OMAP) \
- || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
- || MACH_OMAP_PERSEUS2
- depends on LEDS
- help
- If you say Y here, the red LED will be used to give a good real
- time indication of CPU usage, by lighting whenever the idle task
- is not currently executing.
-
- The LART uses the same LED for both Timer LED and CPU usage LED
- functions. You may choose to use both, but the Timer LED function
- will overrule the CPU usage LED.
-
config ALIGNMENT_TRAP
bool
depends on CPU_CP15_MMU
@@ -1807,8 +1812,8 @@ config ALIGNMENT_TRAP
configuration it is safe to say N, otherwise say Y.
config UACCESS_WITH_MEMCPY
- bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
- depends on MMU && EXPERIMENTAL
+ bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()"
+ depends on MMU
default y if CPU_FEROCEON
help
Implement faster copy_to_user and clear_user methods for CPU
@@ -1849,11 +1854,16 @@ config CC_STACKPROTECTOR
neutralized via a kernel panic.
This feature requires gcc version 4.2 or above.
-config DEPRECATED_PARAM_STRUCT
- bool "Provide old way to pass kernel parameters"
+config XEN_DOM0
+ def_bool y
+ depends on XEN
+
+config XEN
+ bool "Xen guest support on ARM (EXPERIMENTAL)"
+ depends on EXPERIMENTAL && ARM && OF
+ depends on CPU_V7 && !CPU_V6
help
- This was deprecated in 2001 and announced to live on for 5 years.
- Some old boot loaders still use this way.
+ Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
endmenu
@@ -1861,12 +1871,29 @@ menu "Boot options"
config USE_OF
bool "Flattened Device Tree support"
+ select IRQ_DOMAIN
select OF
select OF_EARLY_FLATTREE
- select IRQ_DOMAIN
help
Include support for flattened device tree machine descriptions.
+config ATAGS
+ bool "Support for the traditional ATAGS boot data passing" if USE_OF
+ default y
+ help
+ This is the traditional way of passing data to the kernel at boot
+ time. If you are solely relying on the flattened device tree (or
+ the ARM_ATAG_DTB_COMPAT option) then you may unselect this option
+ to remove ATAGS support from your kernel binary. If unsure,
+ leave this to y.
+
+config DEPRECATED_PARAM_STRUCT
+ bool "Provide old way to pass kernel parameters"
+ depends on ATAGS
+ help
+ This was deprecated in 2001 and announced to live on for 5 years.
+ Some old boot loaders still use this way.
+
# 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
@@ -1961,6 +1988,25 @@ config ARM_ATAG_DTB_COMPAT
bootloaders, this option allows zImage to extract the information
from the ATAG list and store it at run time into the appended DTB.
+choice
+ prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT
+ default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
+
+config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
+ bool "Use bootloader kernel arguments if available"
+ help
+ Uses the command-line options passed by the boot loader instead of
+ the device tree bootargs property. If the boot loader doesn't provide
+ any, the device tree bootargs property will be used.
+
+config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND
+ bool "Extend with bootloader kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to the the device tree bootargs property.
+
+endchoice
+
config CMDLINE
string "Default kernel command string"
default ""
@@ -1974,6 +2020,7 @@ config CMDLINE
choice
prompt "Kernel command line type" if CMDLINE != ""
default CMDLINE_FROM_BOOTLOADER
+ depends on ATAGS
config CMDLINE_FROM_BOOTLOADER
bool "Use bootloader kernel arguments if available"
@@ -1999,7 +2046,7 @@ endchoice
config XIP_KERNEL
bool "Kernel Execute-In-Place from ROM"
- depends on !ZBOOT_ROM && !ARM_LPAE
+ depends on !ZBOOT_ROM && !ARM_LPAE && !ARCH_MULTIPLATFORM
help
Execute-In-Place allows the kernel to run from non-volatile storage
directly addressable by the CPU, such as NOR flash. This saves RAM
@@ -2043,7 +2090,7 @@ config KEXEC
config ATAGS_PROC
bool "Export atags in procfs"
- depends on KEXEC
+ depends on ATAGS && KEXEC
default y
help
Should the atags used to boot the kernel be exported in an "atags"
@@ -2083,6 +2130,7 @@ source "drivers/cpufreq/Kconfig"
config CPU_FREQ_IMX
tristate "CPUfreq driver for i.MX CPUs"
depends on ARCH_MXC && CPU_FREQ
+ select CPU_FREQ_TABLE
help
This enables the CPUfreq driver for i.MX CPUs.
@@ -2107,8 +2155,8 @@ config CPU_FREQ_PXA
bool
depends on CPU_FREQ && ARCH_PXA && PXA25x
default y
- select CPU_FREQ_TABLE
select CPU_FREQ_DEFAULT_GOV_USERSPACE
+ select CPU_FREQ_TABLE
config CPU_FREQ_S3C
bool
@@ -2251,7 +2299,7 @@ menu "Power management options"
source "kernel/power/Kconfig"
config ARCH_SUSPEND_POSSIBLE
- depends on !ARCH_S5PC100 && !ARCH_TEGRA
+ depends on !ARCH_S5PC100
depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK
def_bool y