diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 249 |
1 files changed, 146 insertions, 103 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e02b893fb909..8381bd793146 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -34,15 +34,12 @@ config SYS_SUPPORTS_APM_EMULATION config GENERIC_GPIO bool - default n config GENERIC_TIME bool - default n config GENERIC_CLOCKEVENTS bool - default n config GENERIC_CLOCKEVENTS_BROADCAST bool @@ -55,7 +52,6 @@ config MMU config NO_IOPORT bool - default n config EISA bool @@ -126,11 +122,9 @@ config RWSEM_XCHGADD_ALGORITHM config ARCH_HAS_ILOG2_U32 bool - default n config ARCH_HAS_ILOG2_U64 bool - default n config GENERIC_HWEIGHT bool @@ -253,6 +247,14 @@ config ARCH_CLPS711X help Support for Cirrus Logic 711x/721x based boards. +config ARCH_GEMINI + bool "Cortina Systems Gemini" + select CPU_FA526 + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + Support for the Cortina Systems Gemini family SoCs + config ARCH_EBSA110 bool "EBSA-110" select CPU_SA110 @@ -273,17 +275,10 @@ config ARCH_EP93XX select HAVE_CLK select COMMON_CLKDEV select ARCH_REQUIRE_GPIOLIB + select ARCH_HAS_HOLES_MEMORYMODEL help This enables support for the Cirrus EP93xx series of CPUs. -config ARCH_GEMINI - bool "Cortina Systems Gemini" - select CPU_FA526 - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - help - Support for the Cortina Systems Gemini family SoCs - config ARCH_FOOTBRIDGE bool "FootBridge" select CPU_SA110 @@ -292,6 +287,17 @@ config ARCH_FOOTBRIDGE 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_TIME + select GENERIC_CLOCKEVENTS + select ARCH_MTD_XIP + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + select HAVE_CLK + help + Support for Freescale MXC/iMX-based family of processors + config ARCH_NETX bool "Hilscher NetX based" select CPU_ARM926T @@ -308,15 +314,6 @@ config ARCH_H720X help This enables support for systems based on the Hynix HMS720x -config ARCH_IMX - bool "IMX" - select CPU_ARM920T - select GENERIC_GPIO - select GENERIC_TIME - select GENERIC_CLOCKEVENTS - help - Support for Motorola's i.MX family of processors (MX1, MXL). - config ARCH_IOP13XX bool "IOP13xx-based" depends on MMU @@ -397,6 +394,7 @@ config ARCH_KIRKWOOD select CPU_FEROCEON select PCI select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select GENERIC_TIME select GENERIC_CLOCKEVENTS select PLAT_ORION @@ -404,28 +402,6 @@ config ARCH_KIRKWOOD Support for the following Marvell Kirkwood series SoCs: 88F6180, 88F6192 and 88F6281. -config ARCH_KS8695 - bool "Micrel/Kendin KS8695" - select CPU_ARM922T - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - help - Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based - System-on-Chip devices. - -config ARCH_NS9XXX - bool "NetSilicon NS9xxx" - select CPU_ARM926T - select GENERIC_GPIO - select GENERIC_TIME - select GENERIC_CLOCKEVENTS - select HAVE_CLK - help - Say Y here if you intend to run this kernel on a NetSilicon NS9xxx - System. - - <http://www.digi.com/products/microprocessors/index.jsp> - config ARCH_LOKI bool "Marvell Loki (88RC8480)" select CPU_FEROCEON @@ -440,6 +416,7 @@ config ARCH_MV78XX0 select CPU_FEROCEON select PCI select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select GENERIC_TIME select GENERIC_CLOCKEVENTS select PLAT_ORION @@ -447,22 +424,13 @@ config ARCH_MV78XX0 Support for the following Marvell MV78xx0 series SoCs: MV781x0, MV782x0. -config ARCH_MXC - bool "Freescale MXC/iMX-based" - select GENERIC_TIME - select GENERIC_CLOCKEVENTS - select ARCH_MTD_XIP - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - help - Support for Freescale MXC/iMX-based family of processors - config ARCH_ORION5X bool "Marvell Orion" depends on MMU select CPU_FEROCEON select PCI select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select GENERIC_TIME select GENERIC_CLOCKEVENTS select PLAT_ORION @@ -471,6 +439,49 @@ config ARCH_ORION5X Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182), Orion-2 (5281), Orion-1-90 (6183). +config ARCH_MMP + bool "Marvell PXA168/910" + depends on MMU + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + select HAVE_CLK + select COMMON_CLKDEV + select GENERIC_TIME + select GENERIC_CLOCKEVENTS + select TICK_ONESHOT + select PLAT_PXA + help + Support for Marvell's PXA168/910 processor line. + +config ARCH_KS8695 + bool "Micrel/Kendin KS8695" + select CPU_ARM922T + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based + System-on-Chip devices. + +config ARCH_NS9XXX + bool "NetSilicon NS9xxx" + select CPU_ARM926T + select GENERIC_GPIO + select GENERIC_TIME + select GENERIC_CLOCKEVENTS + select HAVE_CLK + help + Say Y here if you intend to run this kernel on a NetSilicon NS9xxx + System. + + <http://www.digi.com/products/microprocessors/index.jsp> + +config ARCH_W90X900 + bool "Nuvoton W90X900 CPU" + select CPU_ARM926T + help + Support for Nuvoton (Winbond logic dept.) ARM9 processor,You + can login www.mcuos.com or www.nuvoton.com to know more. + config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" select CPU_ARM926T @@ -486,8 +497,6 @@ config ARCH_PXA select HAVE_CLK select COMMON_CLKDEV select ARCH_REQUIRE_GPIOLIB - select HAVE_CLK - select COMMON_CLKDEV select GENERIC_TIME select GENERIC_CLOCKEVENTS select TICK_ONESHOT @@ -495,19 +504,16 @@ config ARCH_PXA help Support for Intel/Marvell's PXA2xx/PXA3xx processor line. -config ARCH_MMP - bool "Marvell PXA168/910" - depends on MMU - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - select HAVE_CLK - select COMMON_CLKDEV +config ARCH_MSM + bool "Qualcomm MSM" + select CPU_V6 select GENERIC_TIME select GENERIC_CLOCKEVENTS - select TICK_ONESHOT - select PLAT_PXA help - Support for Marvell's PXA168/910 processor line. + Support for Qualcomm MSM7K based systems. This runs on the ARM11 + apps processor of the MSM7K and depends on a shared memory + interface to the ARM9 modem processor which runs the baseband stack + and controls some vital subsystems (clock and power control, etc). config ARCH_RPC bool "RiscPC" @@ -585,6 +591,9 @@ config ARCH_DAVINCI select ARCH_REQUIRE_GPIOLIB select HAVE_CLK select ZONE_DMA + select HAVE_IDE + select COMMON_CLKDEV + select GENERIC_ALLOCATOR help Support for TI's DaVinci platform. @@ -598,24 +607,6 @@ config ARCH_OMAP help Support for TI's OMAP platform (OMAP1 and OMAP2). -config ARCH_MSM - bool "Qualcomm MSM" - select CPU_V6 - select GENERIC_TIME - select GENERIC_CLOCKEVENTS - help - Support for Qualcomm MSM7K based systems. This runs on the ARM11 - apps processor of the MSM7K and depends on a shared memory - interface to the ARM9 modem processor which runs the baseband stack - and controls some vital subsystems (clock and power control, etc). - -config ARCH_W90X900 - bool "Nuvoton W90X900 CPU" - select CPU_ARM926T - help - Support for Nuvoton (Winbond logic dept.) ARM9 processor,You - can login www.mcuos.com or www.nuvoton.com to know more. - endchoice source "arch/arm/mach-clps711x/Kconfig" @@ -681,8 +672,6 @@ endif source "arch/arm/mach-lh7a40x/Kconfig" -source "arch/arm/mach-imx/Kconfig" - source "arch/arm/mach-h720x/Kconfig" source "arch/arm/mach-versatile/Kconfig" @@ -740,6 +729,56 @@ if !MMU source "arch/arm/Kconfig-nommu" endif +config ARM_ERRATA_411920 + bool "ARM errata: Invalidation of the Instruction Cache operation can fail" + depends on CPU_V6 && !SMP + help + Invalidation of the Instruction Cache operation can + fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. + It does not affect the MPCore. This option enables the ARM Ltd. + recommended workaround. + +config ARM_ERRATA_430973 + bool "ARM errata: Stale prediction on replaced interworking branch" + depends on CPU_V7 + help + This option enables the workaround for the 430973 Cortex-A8 + (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb + interworking branch is replaced with another code sequence at the + same virtual address, whether due to self-modifying code or virtual + to physical address re-mapping, Cortex-A8 does not recover from the + stale interworking branch prediction. This results in Cortex-A8 + executing the new code sequence in the incorrect ARM or Thumb state. + The workaround enables the BTB/BTAC operations by setting ACTLR.IBE + and also flushes the branch target cache at every context switch. + Note that setting specific bits in the ACTLR register may not be + available in non-secure mode. + +config ARM_ERRATA_458693 + bool "ARM errata: Processor deadlock when a false hazard is created" + depends on CPU_V7 + help + This option enables the workaround for the 458693 Cortex-A8 (r2p0) + erratum. For very specific sequences of memory operations, it is + possible for a hazard condition intended for a cache line to instead + be incorrectly associated with a different cache line. This false + hazard might then cause a processor deadlock. The workaround enables + the L1 caching of the NEON accesses and disables the PLD instruction + in the ACTLR register. Note that setting specific bits in the ACTLR + register may not be available in non-secure mode. + +config ARM_ERRATA_460075 + bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" + depends on CPU_V7 + help + This option enables the workaround for the 460075 Cortex-A8 (r2p0) + erratum. Any asynchronous access to the L2 cache may encounter a + situation in which recent store transactions to the L2 cache are lost + and overwritten with stale memory contents from external memory. The + workaround disables the write-allocate mode for the L2 cache via the + ACTLR register. Note that setting specific bits in the ACTLR register + may not be available in non-secure mode. + endmenu source "arch/arm/common/Kconfig" @@ -807,8 +846,10 @@ source "kernel/time/Kconfig" config SMP bool "Symmetric Multi-Processing (EXPERIMENTAL)" - depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP) + depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP ||ARCH_OMAP4) + depends on GENERIC_CLOCKEVENTS select USE_GENERIC_SMP_HELPERS + select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4) 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 @@ -826,6 +867,18 @@ config SMP If you don't know what to do here, say N. +config HAVE_ARM_SCU + bool + depends on SMP + help + This option enables support for the ARM system coherency unit + +config HAVE_ARM_TWD + bool + depends on SMP + help + This options enables support for the ARM timer and watchdog unit + choice prompt "Memory split" default VMSPLIT_3G @@ -864,8 +917,9 @@ config HOTPLUG_CPU config LOCAL_TIMERS bool "Use local timer interrupts" - depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP) + depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP || ARCH_OMAP4) default y + select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4) help Enable support for local timers on SMP platforms, rather then the legacy IPI broadcast method. Local timers allows the system @@ -925,10 +979,8 @@ config OABI_COMPAT UNPREDICTABLE (in fact it can be predicted that it won't work at all). If in doubt say Y. -config ARCH_FLATMEM_HAS_HOLES +config ARCH_HAS_HOLES_MEMORYMODEL bool - default y - depends on FLATMEM # Discontigmem is deprecated config ARCH_DISCONTIGMEM_ENABLE @@ -971,7 +1023,7 @@ source "mm/Kconfig" config LEDS bool "Timer and CPU usage LEDs" depends on ARCH_CDB89712 || ARCH_EBSA110 || \ - ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \ + ARCH_EBSA285 || ARCH_INTEGRATOR || \ ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ @@ -1137,7 +1189,7 @@ endmenu menu "CPU Power Management" -if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA) +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_PXA) source "drivers/cpufreq/Kconfig" @@ -1162,15 +1214,6 @@ config CPU_FREQ_INTEGRATOR If in doubt, say Y. -config CPU_FREQ_IMX - tristate "CPUfreq driver for i.MX CPUs" - depends on ARCH_IMX && CPU_FREQ - default n - help - This enables the CPUfreq driver for i.MX CPUs. - - If in doubt, say N. - config CPU_FREQ_PXA bool depends on CPU_FREQ && ARCH_PXA && PXA25x |