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author | Jens Axboe <jens.axboe@oracle.com> | 2009-05-22 20:25:34 +0200 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2009-05-22 20:25:34 +0200 |
commit | e4b636366c00738b9609cda307014d71b1225b7f (patch) | |
tree | 760b67b3624eda62e943e48ce93635c30a5b47bf /arch/arm/Kconfig | |
parent | b9ed7252d219c1c663944bf03846eabb515dbe75 (diff) | |
parent | 279e677faa775ad16e75c32e1bf4a37f8158bc61 (diff) | |
download | linux-e4b636366c00738b9609cda307014d71b1225b7f.tar.bz2 |
Merge branch 'master' into for-2.6.31
Conflicts:
drivers/block/hd.c
drivers/block/mg_disk.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r-- | arch/arm/Kconfig | 61 |
1 files changed, 53 insertions, 8 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e02b893fb909..e60ec54df334 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -454,6 +454,7 @@ 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 @@ -486,8 +487,6 @@ 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 @@ -585,6 +584,8 @@ 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. @@ -740,6 +741,56 @@ 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" @@ -1171,12 +1222,6 @@ config CPU_FREQ_IMX If in doubt, say N. -config CPU_FREQ_PXA - bool - depends on CPU_FREQ && ARCH_PXA && PXA25x - default y - select CPU_FREQ_DEFAULT_GOV_USERSPACE - endif source "drivers/cpuidle/Kconfig" |