diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 79 |
1 files changed, 55 insertions, 24 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a930e5c5672c..c52f6909f65d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -299,6 +299,7 @@ config ARCH_MXC select ARCH_MTD_XIP select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB + select HAVE_CLK help Support for Freescale MXC/iMX-based family of processors @@ -318,15 +319,6 @@ 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 @@ -507,8 +499,6 @@ 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 @@ -603,6 +593,8 @@ config ARCH_DAVINCI select ARCH_REQUIRE_GPIOLIB select HAVE_CLK select ZONE_DMA + select HAVE_IDE + select COMMON_CLKDEV help Support for TI's DaVinci platform. @@ -681,8 +673,6 @@ 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 +730,56 @@ 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" @@ -971,7 +1011,7 @@ 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 +1177,7 @@ 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 +1202,6 @@ 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 |