diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 148 |
1 files changed, 96 insertions, 52 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e348db16a9e2..5711c8160e75 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2,6 +2,7 @@ config ARM bool default y select HAVE_AOUT + select HAVE_DMA_API_DEBUG select HAVE_IDE select HAVE_MEMBLOCK select RTC_LIB @@ -14,6 +15,7 @@ config ARM select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) + select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) select HAVE_GENERIC_DMA_COHERENT select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO @@ -23,6 +25,9 @@ config ARM select PERF_USE_VMALLOC select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) + select HAVE_C_RECORDMCOUNT + select HAVE_GENERIC_HARDIRQS + select HAVE_SPARSE_IRQ help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -34,9 +39,15 @@ config ARM config HAVE_PWM bool +config MIGHT_HAVE_PCI + bool + config SYS_SUPPORTS_APM_EMULATION bool +config HAVE_SCHED_CLOCK + bool + config GENERIC_GPIO bool @@ -88,10 +99,6 @@ config MCA <file:Documentation/mca.txt> (and especially the web page given there) before attempting to build an MCA bus kernel. -config GENERIC_HARDIRQS - bool - default y - config STACKTRACE_SUPPORT bool default y @@ -171,9 +178,6 @@ config FIQ config ARCH_MTD_XIP bool -config GENERIC_HARDIRQS_NO__DO_IRQ - def_bool y - config ARM_L1_CACHE_SHIFT_6 bool help @@ -221,7 +225,7 @@ config ARCH_INTEGRATOR bool "ARM Ltd. Integrator family" select ARM_AMBA select ARCH_HAS_CPUFREQ - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ICST select GENERIC_CLOCKEVENTS select PLAT_VERSATILE @@ -231,7 +235,8 @@ config ARCH_INTEGRATOR config ARCH_REALVIEW bool "ARM Ltd. RealView family" select ARM_AMBA - select COMMON_CLKDEV + select CLKDEV_LOOKUP + select HAVE_SCHED_CLOCK select ICST select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB @@ -245,7 +250,8 @@ config ARCH_VERSATILE bool "ARM Ltd. Versatile family" select ARM_AMBA select ARM_VIC - select COMMON_CLKDEV + select CLKDEV_LOOKUP + select HAVE_SCHED_CLOCK select ICST select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB @@ -259,9 +265,10 @@ config ARCH_VEXPRESS select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_AMBA select ARM_TIMER_SP804 - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS select HAVE_CLK + select HAVE_SCHED_CLOCK select ICST select PLAT_VERSATILE help @@ -280,7 +287,7 @@ config ARCH_BCMRING depends on MMU select CPU_V6 select ARM_AMBA - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB help @@ -298,6 +305,7 @@ config ARCH_CNS3XXX select CPU_V6 select GENERIC_CLOCKEVENTS select ARM_GIC + select MIGHT_HAVE_PCI select PCI_DOMAINS if PCI help Support for Cavium Networks CNS3XXX platform. @@ -327,7 +335,7 @@ config ARCH_EP93XX select CPU_ARM920T select ARM_AMBA select ARM_VIC - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ARCH_REQUIRE_GPIOLIB select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_USES_GETTIMEOFFSET @@ -347,7 +355,7 @@ config ARCH_MXC bool "Freescale MXC/iMX-based" select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB - select COMMON_CLKDEV + select CLKDEV_LOOKUP help Support for Freescale MXC/iMX-based family of processors @@ -362,7 +370,7 @@ config ARCH_MXS config ARCH_STMP3XXX bool "Freescale STMP3xxx" select CPU_ARM926T - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS select USB_ARCH_HAS_EHCI @@ -441,6 +449,8 @@ config ARCH_IXP4XX select CPU_XSCALE select GENERIC_GPIO select GENERIC_CLOCKEVENTS + select HAVE_SCHED_CLOCK + select MIGHT_HAVE_PCI select DMABOUNCE if PCI help Support for Intel's IXP4XX (XScale) family of processors. @@ -480,7 +490,7 @@ config ARCH_LPC32XX select HAVE_IDE select ARM_AMBA select USB_ARCH_HAS_OHCI - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_TIME select GENERIC_CLOCKEVENTS help @@ -514,8 +524,9 @@ config ARCH_MMP bool "Marvell PXA168/910/MMP2" depends on MMU select ARCH_REQUIRE_GPIOLIB - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS + select HAVE_SCHED_CLOCK select TICK_ONESHOT select PLAT_PXA select SPARSE_IRQ @@ -547,7 +558,7 @@ config ARCH_W90X900 bool "Nuvoton W90X900 CPU" select CPU_ARM926T select ARCH_REQUIRE_GPIOLIB - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS help Support for Nuvoton (Winbond logic dept.) ARM9 processor, @@ -561,18 +572,19 @@ config ARCH_W90X900 config ARCH_NUC93X bool "Nuvoton NUC93X CPU" select CPU_ARM926T - select COMMON_CLKDEV + select CLKDEV_LOOKUP help Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a low-power and high performance MPEG-4/JPEG multimedia controller chip. config ARCH_TEGRA bool "NVIDIA Tegra" + select CLKDEV_LOOKUP select GENERIC_TIME select GENERIC_CLOCKEVENTS select GENERIC_GPIO select HAVE_CLK - select COMMON_CLKDEV + select HAVE_SCHED_CLOCK select ARCH_HAS_BARRIERS if CACHE_L2X0 select ARCH_HAS_CPUFREQ help @@ -582,7 +594,7 @@ config ARCH_TEGRA config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" select CPU_ARM926T - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ARCH_USES_GETTIMEOFFSET help This enables support for Philips PNX4008 mobile platform. @@ -592,9 +604,10 @@ config ARCH_PXA depends on MMU select ARCH_MTD_XIP select ARCH_HAS_CPUFREQ - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS + select HAVE_SCHED_CLOCK select TICK_ONESHOT select PLAT_PXA select SPARSE_IRQ @@ -614,9 +627,15 @@ config ARCH_MSM (clock and power control, etc). config ARCH_SHMOBILE - bool "Renesas SH-Mobile" + bool "Renesas SH-Mobile / R-Mobile" + select HAVE_CLK + select CLKDEV_LOOKUP + select GENERIC_CLOCKEVENTS + select NO_IOPORT + select SPARSE_IRQ + select MULTI_IRQ_HANDLER help - Support for Renesas's SH-Mobile ARM platforms + Support for Renesas's SH-Mobile and R-Mobile ARM platforms. config ARCH_RPC bool "RiscPC" @@ -643,6 +662,7 @@ config ARCH_SA1100 select CPU_FREQ select GENERIC_CLOCKEVENTS select HAVE_CLK + select HAVE_SCHED_CLOCK select TICK_ONESHOT select ARCH_REQUIRE_GPIOLIB help @@ -769,7 +789,7 @@ config ARCH_TCC_926 bool "Telechips TCC ARM926-based systems" select CPU_ARM926T select HAVE_CLK - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS help Support for Telechips TCC ARM926-based systems. @@ -789,11 +809,12 @@ config ARCH_U300 bool "ST-Ericsson U300 Series" depends on MMU select CPU_ARM926T + select HAVE_SCHED_CLOCK select HAVE_TCM select ARM_AMBA select ARM_VIC select GENERIC_CLOCKEVENTS - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_GPIO help Support for ST-Ericsson U300 series mobile platforms. @@ -803,8 +824,9 @@ config ARCH_U8500 select CPU_V7 select ARM_AMBA select GENERIC_CLOCKEVENTS - select COMMON_CLKDEV + select CLKDEV_LOOKUP select ARCH_REQUIRE_GPIOLIB + select ARCH_HAS_CPUFREQ help Support for ST-Ericsson's Ux500 architecture @@ -813,7 +835,7 @@ config ARCH_NOMADIK select ARM_AMBA select ARM_VIC select CPU_ARM926T - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB help @@ -825,7 +847,7 @@ config ARCH_DAVINCI select ARCH_REQUIRE_GPIOLIB select ZONE_DMA select HAVE_IDE - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_ALLOCATOR select ARCH_HAS_HOLES_MEMORYMODEL help @@ -837,6 +859,7 @@ config ARCH_OMAP select ARCH_REQUIRE_GPIOLIB select ARCH_HAS_CPUFREQ select GENERIC_CLOCKEVENTS + select HAVE_SCHED_CLOCK select ARCH_HAS_HOLES_MEMORYMODEL help Support for TI's OMAP platform (OMAP1/2/3/4). @@ -845,7 +868,7 @@ config PLAT_SPEAR bool "ST SPEAr" select ARM_AMBA select ARCH_REQUIRE_GPIOLIB - select COMMON_CLKDEV + select CLKDEV_LOOKUP select GENERIC_CLOCKEVENTS select HAVE_CLK help @@ -992,9 +1015,11 @@ config ARCH_ACORN config PLAT_IOP bool select GENERIC_CLOCKEVENTS + select HAVE_SCHED_CLOCK config PLAT_ORION bool + select HAVE_SCHED_CLOCK config PLAT_PXA bool @@ -1009,8 +1034,8 @@ source arch/arm/mm/Kconfig config IWMMXT bool "Enable iWMMXt support" - depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK - default y if PXA27x || PXA3xx || ARCH_MMP + depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 + default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP help Enable support for iWMMXt context switching at run time if running on a CPU that supports it. @@ -1027,6 +1052,11 @@ config CPU_HAS_PMU default y bool +config MULTI_IRQ_HANDLER + bool + help + Allow each machine to specify it's own IRQ handler at run time. + if !MMU source "arch/arm/Kconfig-nommu" endif @@ -1174,7 +1204,7 @@ config ISA_DMA_API bool config PCI - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX + bool "PCI support" if MIGHT_HAVE_PCI help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside @@ -1185,6 +1215,12 @@ config PCI_DOMAINS bool depends on PCI +config PCI_NANOENGINE + bool "BSE nanoEngine PCI support" + depends on SA1100_NANOENGINE + help + Enable PCI on the BSE nanoEngine board. + config PCI_SYSCALL def_bool PCI @@ -1215,10 +1251,11 @@ config SMP depends on EXPERIMENTAL depends on GENERIC_CLOCKEVENTS depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ - MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\ - ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 + MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ + ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ + ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE select USE_GENERIC_SMP_HELPERS - select HAVE_ARM_SCU + select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP 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 @@ -1239,7 +1276,7 @@ config SMP config SMP_ON_UP bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" depends on EXPERIMENTAL - depends on SMP && !XIP && !THUMB2_KERNEL + depends on SMP && !XIP default y help SMP kernels contain instructions which fail on non-SMP processors. @@ -1258,6 +1295,7 @@ config HAVE_ARM_SCU config HAVE_ARM_TWD bool depends on SMP + select TICK_ONESHOT help This options enables support for the ARM timer and watchdog unit @@ -1293,6 +1331,7 @@ config NR_CPUS config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL + depends on !ARCH_MSM help Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. @@ -1301,7 +1340,7 @@ config LOCAL_TIMERS bool "Use local timer interrupts" depends on SMP default y - select HAVE_ARM_TWD + select HAVE_ARM_TWD if !ARCH_MSM_SCORPIONMP help Enable support for local timers on SMP platforms, rather then the legacy IPI broadcast method. Local timers allows the system @@ -1320,8 +1359,8 @@ config HZ default 100 config THUMB2_KERNEL - bool "Compile the kernel in Thumb-2 mode" - depends on CPU_V7 && EXPERIMENTAL + bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)" + depends on CPU_V7 && !CPU_V6 && EXPERIMENTAL select AEABI select ARM_ASM_UNIFIED help @@ -1408,15 +1447,6 @@ config HW_PERF_EVENTS Enable hardware performance counter support for perf events. If disabled, perf events will use software events only. -config SPARSE_IRQ - def_bool n - help - This enables support for sparse irqs. This is useful in general - as most CPUs have a fairly sparse array of IRQ vectors, which - the irq_desc then maps directly on to. Systems with a high - number of off-chip IRQs will want to treat this as - experimental until they have been independently verified. - source "mm/Kconfig" config FORCE_MAX_ZONEORDER @@ -1534,6 +1564,7 @@ config SECCOMP 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 @@ -1660,6 +1691,19 @@ config ATAGS_PROC Should the atags used to boot the kernel be exported in an "atags" file in procfs. Useful with kexec. +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 + loaded in the main kernel with kexec-tools into a specially + reserved region and then later executed after a crash by + kdump/kexec. The crash dump kernel must be compiled to a + memory address not used by the main kernel + + For more details see Documentation/kdump/kdump.txt + config AUTO_ZRELADDR bool "Auto calculation of the decompressed kernel image address" depends on !ZBOOT_ROM && !ARCH_U300 @@ -1717,7 +1761,7 @@ config CPU_FREQ_S3C Internal configuration node for common cpufreq on Samsung SoC config CPU_FREQ_S3C24XX - bool "CPUfreq driver for Samsung S3C24XX series CPUs" + bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL select CPU_FREQ_S3C help @@ -1729,7 +1773,7 @@ config CPU_FREQ_S3C24XX If in doubt, say N. config CPU_FREQ_S3C24XX_PLL - bool "Support CPUfreq changing of PLL frequency" + bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" depends on CPU_FREQ_S3C24XX && EXPERIMENTAL help Compile in support for changing the PLL frequency from the @@ -1769,7 +1813,7 @@ comment "At least one emulation must be selected" config FPE_NWFPE bool "NWFPE math emulation" - depends on !AEABI || OABI_COMPAT + depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL ---help--- Say Y to include the NWFPE floating point emulator in the kernel. This is necessary to run most binaries. Linux does not currently |
