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Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig354
1 files changed, 162 insertions, 192 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2f88d8d97701..6d2f7f5c0036 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -16,6 +16,7 @@ config ARM
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
+ select HAVE_SYSCALL_TRACEPOINTS
select HAVE_KPROBES if !XIP_KERNEL
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
@@ -202,6 +203,13 @@ 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
@@ -247,39 +255,29 @@ config MMU
#
choice
prompt "ARM system type"
- default ARCH_VERSATILE
+ default ARCH_MULTIPLATFORM
-config ARCH_SOCFPGA
- bool "Altera SOCFPGA family"
- select ARCH_WANT_OPTIONAL_GPIOLIB
- select ARM_AMBA
- select ARM_GIC
- select CACHE_L2X0
- select CLKDEV_LOOKUP
+config ARCH_MULTIPLATFORM
+ bool "Allow multiple platforms to be selected"
+ select ARM_PATCH_PHYS_VIRT
+ select AUTO_ZRELADDR
select COMMON_CLK
- select CPU_V7
- select DW_APB_TIMER
- select DW_APB_TIMER_OF
- select GENERIC_CLOCKEVENTS
- select GPIO_PL061 if GPIOLIB
- select HAVE_ARM_SCU
+ select MULTI_IRQ_HANDLER
select SPARSE_IRQ
select USE_OF
- help
- This enables support for Altera SOCFPGA Cyclone V platform
+ depends on MMU
config ARCH_INTEGRATOR
bool "ARM Ltd. Integrator family"
select ARM_AMBA
select ARCH_HAS_CPUFREQ
select COMMON_CLK
- select CLK_VERSATILE
+ select COMMON_CLK_VERSATILE
select HAVE_TCM
select ICST
select GENERIC_CLOCKEVENTS
select PLAT_VERSATILE
select PLAT_VERSATILE_FPGA_IRQ
- select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
@@ -289,13 +287,12 @@ config ARCH_INTEGRATOR
config ARCH_REALVIEW
bool "ARM Ltd. RealView family"
select ARM_AMBA
- select CLKDEV_LOOKUP
- select HAVE_MACH_CLKDEV
+ select COMMON_CLK
+ select COMMON_CLK_VERSATILE
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
select PLAT_VERSATILE
- select PLAT_VERSATILE_CLOCK
select PLAT_VERSATILE_CLCD
select ARM_TIMER_SP804
select GPIO_PL061 if GPIOLIB
@@ -312,7 +309,6 @@ config ARCH_VERSATILE
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
- select NEED_MACH_IO_H if PCI
select PLAT_VERSATILE
select PLAT_VERSATILE_CLOCK
select PLAT_VERSATILE_CLCD
@@ -321,69 +317,41 @@ config ARCH_VERSATILE
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 CLKDEV_LOOKUP
- select COMMON_CLK
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK
- select HAVE_PATA_PLATFORM
- select ICST
- select NO_IOPORT
- select PLAT_VERSATILE
- select PLAT_VERSATILE_CLCD
- select REGULATOR_FIXED_VOLTAGE if REGULATOR
- help
- This enables support for the ARM Ltd Versatile Express boards.
-
config ARCH_AT91
bool "Atmel AT91"
select ARCH_REQUIRE_GPIOLIB
select HAVE_CLK
select CLKDEV_LOOKUP
select IRQ_DOMAIN
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H if PCCARD
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"
+config ARCH_BCM2835
+ bool "Broadcom BCM2835 family"
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
- select ARM_GIC
+ select ARM_ERRATA_411920
select ARM_TIMER_SP804
- select CACHE_L2X0
select CLKDEV_LOOKUP
select COMMON_CLK
- select CPU_V7
+ select CPU_V6
select GENERIC_CLOCKEVENTS
- select HAVE_ARM_SCU
- select HAVE_SMP
+ select MULTI_IRQ_HANDLER
select SPARSE_IRQ
select USE_OF
help
- Support for the Calxeda Highbank SoC based boards.
+ This enables support for the Broadcom BCM2835 SoC. This SoC is
+ use in the Raspberry Pi, and Roku 2 devices.
config ARCH_CLPS711X
bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
select CPU_ARM720T
select ARCH_USES_GETTIMEOFFSET
+ select COMMON_CLK
+ select CLKDEV_LOOKUP
select NEED_MACH_MEMORY_H
help
Support for Cirrus Logic 711x/721x/731x based boards.
@@ -407,21 +375,19 @@ 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
+config ARCH_SIRF
+ bool "CSR SiRF"
select NO_IOPORT
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select CLKDEV_LOOKUP
+ select COMMON_CLK
select GENERIC_IRQ_CHIP
select MIGHT_HAVE_CACHE_L2X0
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"
@@ -456,7 +422,7 @@ 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
@@ -483,7 +449,9 @@ config ARCH_MXS
select CLKSRC_MMIO
select COMMON_CLK
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
@@ -513,7 +481,6 @@ config ARCH_IOP13XX
select PCI
select ARCH_SUPPORTS_MSI
select VMSPLIT_1G
- select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select NEED_RET_TO_USER
help
@@ -523,6 +490,7 @@ config ARCH_IOP32X
bool "IOP32x-based"
depends on MMU
select CPU_XSCALE
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
select NEED_RET_TO_USER
select PLAT_IOP
@@ -536,6 +504,7 @@ config ARCH_IOP33X
bool "IOP33x-based"
depends on MMU
select CPU_XSCALE
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
select NEED_RET_TO_USER
select PLAT_IOP
@@ -558,26 +527,14 @@ config ARCH_IXP4XX
help
Support for Intel's IXP4XX (XScale) family of processors.
-config ARCH_MVEBU
- bool "Marvell SOCs with Device Tree support"
- select GENERIC_CLOCKEVENTS
- select MULTI_IRQ_HANDLER
- select SPARSE_IRQ
- select CLKSRC_MMIO
- select GENERIC_IRQ_CHIP
- select IRQ_DOMAIN
- select COMMON_CLK
- help
- Support for the Marvell SoC Family with device tree support
-
config ARCH_DOVE
bool "Marvell Dove"
select CPU_V7
- select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select MIGHT_HAVE_PCI
+ select PLAT_ORION_LEGACY
+ select USB_ARCH_HAS_EHCI
help
Support for the Marvell Dove SoC 88AP510
@@ -587,8 +544,7 @@ config ARCH_KIRKWOOD
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell Kirkwood series SoCs:
88F6180, 88F6192 and 88F6281.
@@ -614,8 +570,7 @@ config ARCH_MV78XX0
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell MV78xx0 series SoCs:
MV781x0, MV782x0.
@@ -627,8 +582,7 @@ config ARCH_ORION5X
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
- select PLAT_ORION
+ select PLAT_ORION_LEGACY
help
Support for the following Marvell Orion 5x series SoCs:
Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
@@ -645,6 +599,7 @@ config ARCH_MMP
select PLAT_PXA
select SPARSE_IRQ
select GENERIC_ALLOCATOR
+ select NEED_MACH_GPIO_H
help
Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
@@ -652,8 +607,9 @@ config ARCH_KS8695
bool "Micrel/Kendin KS8695"
select CPU_ARM922T
select ARCH_REQUIRE_GPIOLIB
- select ARCH_USES_GETTIMEOFFSET
select NEED_MACH_MEMORY_H
+ select CLKSRC_MMIO
+ select GENERIC_CLOCKEVENTS
help
Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
System-on-Chip devices.
@@ -683,40 +639,13 @@ config ARCH_TEGRA
select HAVE_CLK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
- select NEED_MACH_IO_H if PCI
select ARCH_HAS_CPUFREQ
select USE_OF
+ select COMMON_CLK
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 DW_APB_TIMER_OF
- 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.
-
config ARCH_PXA
bool "PXA2xx/PXA3xx-based"
depends on MMU
@@ -733,6 +662,7 @@ config ARCH_PXA
select MULTI_IRQ_HANDLER
select ARM_CPU_SUSPEND if PM
select HAVE_IDE
+ select NEED_MACH_GPIO_H
help
Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
@@ -795,6 +725,7 @@ config ARCH_SA1100
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select HAVE_IDE
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
help
@@ -810,6 +741,7 @@ config ARCH_S3C24XX
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
help
Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
@@ -837,6 +769,7 @@ config ARCH_S3C64XX
select SAMSUNG_GPIOLIB_4BIT
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select NEED_MACH_GPIO_H
help
Samsung S3C64XX series based systems
@@ -851,6 +784,7 @@ config ARCH_S5P64X0
select GENERIC_CLOCKEVENTS
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
+ select NEED_MACH_GPIO_H
help
Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
SMDK6450.
@@ -865,6 +799,7 @@ config ARCH_S5PC100
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select NEED_MACH_GPIO_H
help
Samsung S5PC100 series based systems
@@ -882,6 +817,7 @@ config ARCH_S5PV210
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
help
Samsung S5PV210/S5PC110 series based systems
@@ -899,6 +835,7 @@ config ARCH_EXYNOS
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
+ select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
help
Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
@@ -912,7 +849,6 @@ config ARCH_SHARK
select PCI
select ARCH_USES_GETTIMEOFFSET
select NEED_MACH_MEMORY_H
- select NEED_MACH_IO_H
help
Support for the StrongARM based Digital DNARD machine, also known
as "Shark" (<http://www.shark-linux.de/shark.html>).
@@ -931,6 +867,7 @@ config ARCH_U300
select COMMON_CLK
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
+ select SPARSE_IRQ
help
Support for ST-Ericsson U300 series mobile platforms.
@@ -956,6 +893,7 @@ config ARCH_NOMADIK
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select PINCTRL
+ select PINCTRL_STN8815
select MIGHT_HAVE_CACHE_L2X0
select ARCH_REQUIRE_GPIOLIB
help
@@ -971,6 +909,7 @@ config ARCH_DAVINCI
select GENERIC_ALLOCATOR
select GENERIC_IRQ_CHIP
select ARCH_HAS_HOLES_MEMORYMODEL
+ select NEED_MACH_GPIO_H
help
Support for TI's DaVinci platform.
@@ -983,6 +922,7 @@ config ARCH_OMAP
select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select ARCH_HAS_HOLES_MEMORYMODEL
+ select NEED_MACH_GPIO_H
help
Support for TI's OMAP platform (OMAP1/2/3/4).
@@ -1005,6 +945,10 @@ config ARCH_VT8500
select ARCH_HAS_CPUFREQ
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
+ select USE_OF
+ select COMMON_CLK
+ select HAVE_CLK
+ select CLKDEV_LOOKUP
help
Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
@@ -1022,6 +966,50 @@ config ARCH_ZYNQ
Support for Xilinx Zynq ARM Cortex A9 Platform
endchoice
+menu "Multiple platform selection"
+ depends on ARCH_MULTIPLATFORM
+
+comment "CPU Core family selection"
+
+config ARCH_MULTI_V4
+ bool "ARMv4 based platforms (FA526, StrongARM)"
+ select ARCH_MULTI_V4_V5
+ depends on !ARCH_MULTI_V6_V7
+
+config ARCH_MULTI_V4T
+ bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
+ select ARCH_MULTI_V4_V5
+ depends on !ARCH_MULTI_V6_V7
+
+config ARCH_MULTI_V5
+ bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
+ select ARCH_MULTI_V4_V5
+ depends on !ARCH_MULTI_V6_V7
+
+config ARCH_MULTI_V4_V5
+ bool
+
+config ARCH_MULTI_V6
+ bool "ARMv6 based platforms (ARM11, Scorpion, ...)"
+ select CPU_V6
+ select ARCH_MULTI_V6_V7
+
+config ARCH_MULTI_V7
+ bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)"
+ select CPU_V7
+ select ARCH_VEXPRESS
+ default y
+ select ARCH_MULTI_V6_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
@@ -1031,8 +1019,6 @@ source "arch/arm/mach-mvebu/Kconfig"
source "arch/arm/mach-at91/Kconfig"
-source "arch/arm/mach-bcmring/Kconfig"
-
source "arch/arm/mach-clps711x/Kconfig"
source "arch/arm/mach-cns3xxx/Kconfig"
@@ -1049,6 +1035,8 @@ 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"
@@ -1084,6 +1072,8 @@ 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"
@@ -1096,6 +1086,8 @@ 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"
@@ -1118,6 +1110,8 @@ source "arch/arm/mach-exynos/Kconfig"
source "arch/arm/mach-shmobile/Kconfig"
+source "arch/arm/mach-prima2/Kconfig"
+
source "arch/arm/mach-tegra/Kconfig"
source "arch/arm/mach-u300/Kconfig"
@@ -1129,8 +1123,6 @@ source "arch/arm/mach-versatile/Kconfig"
source "arch/arm/mach-vexpress/Kconfig"
source "arch/arm/plat-versatile/Kconfig"
-source "arch/arm/mach-vt8500/Kconfig"
-
source "arch/arm/mach-w90x900/Kconfig"
# Definitions to make life easier
@@ -1148,6 +1140,10 @@ config PLAT_ORION
select IRQ_DOMAIN
select COMMON_CLK
+config PLAT_ORION_LEGACY
+ bool
+ select PLAT_ORION
+
config PLAT_PXA
bool
@@ -1179,12 +1175,6 @@ 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
@@ -1413,6 +1403,16 @@ 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"
@@ -1623,6 +1623,7 @@ 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 0
help
Maximum number of GPIOs in the system.
@@ -1757,7 +1758,7 @@ 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
@@ -1781,59 +1782,6 @@ 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
@@ -1849,8 +1797,8 @@ 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
@@ -1891,11 +1839,15 @@ 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
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
@@ -1909,6 +1861,23 @@ config USE_OF
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
@@ -2035,6 +2004,7 @@ 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"
@@ -2060,7 +2030,7 @@ 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
@@ -2104,7 +2074,7 @@ 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"
@@ -2313,7 +2283,7 @@ 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