diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-vexpress/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 3 |
3 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f95ba14ae3d0..432921ecfec8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1230,6 +1230,7 @@ config ARM_ERRATA_430973 config ARM_ERRATA_458693 bool "ARM errata: Processor deadlock when a false hazard is created" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 458693 Cortex-A8 (r2p0) erratum. For very specific sequences of memory operations, it is @@ -1243,6 +1244,7 @@ config ARM_ERRATA_458693 config ARM_ERRATA_460075 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 460075 Cortex-A8 (r2p0) erratum. Any asynchronous access to the L2 cache may encounter a @@ -1255,6 +1257,7 @@ config ARM_ERRATA_460075 config ARM_ERRATA_742230 bool "ARM errata: DMB operation may be faulty" depends on CPU_V7 && SMP + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 742230 Cortex-A9 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction @@ -1267,6 +1270,7 @@ config ARM_ERRATA_742230 config ARM_ERRATA_742231 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" depends on CPU_V7 && SMP + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 742231 Cortex-A9 (r2p0..r2p2) erratum. Under certain conditions, specific to the @@ -1317,6 +1321,7 @@ config PL310_ERRATA_727915 config ARM_ERRATA_743622 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 743622 Cortex-A9 (r2p*) erratum. Under very rare conditions, a faulty @@ -1330,6 +1335,7 @@ config ARM_ERRATA_743622 config ARM_ERRATA_751472 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" depends on CPU_V7 + depends on !ARCH_MULTIPLATFORM help This option enables the workaround for the 751472 Cortex-A9 (prior to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig index 99e63f5f99d1..52d315b792c8 100644 --- a/arch/arm/mach-vexpress/Kconfig +++ b/arch/arm/mach-vexpress/Kconfig @@ -42,7 +42,6 @@ config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA bool "Enable A5 and A9 only errata work-arounds" default y select ARM_ERRATA_720789 - select ARM_ERRATA_751472 select PL310_ERRATA_753970 if CACHE_PL310 help Provides common dependencies for Versatile Express platforms diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 350f6a74992b..26a62054f0c3 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -245,7 +245,8 @@ __v7_setup: ldr r10, =0x00000c08 @ Cortex-A8 primary part number teq r0, r10 bne 2f -#ifdef CONFIG_ARM_ERRATA_430973 +#if defined(CONFIG_ARM_ERRATA_430973) && !defined(CONFIG_ARCH_MULTIPLATFORM) + teq r5, #0x00100000 @ only present in r1p* mrceq p15, 0, r10, c1, c0, 1 @ read aux control register orreq r10, r10, #(1 << 6) @ set IBE to 1 |