diff options
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r-- | arch/arm/Kconfig | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 13b739469c51..1cacda426a0e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -1183,9 +1183,9 @@ config ARM_NR_BANKS | |||
1183 | default 8 | 1183 | default 8 |
1184 | 1184 | ||
1185 | config IWMMXT | 1185 | config IWMMXT |
1186 | bool "Enable iWMMXt support" | 1186 | bool "Enable iWMMXt support" if !CPU_PJ4 |
1187 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 | 1187 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 |
1188 | default y if PXA27x || PXA3xx || ARCH_MMP | 1188 | default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 |
1189 | help | 1189 | help |
1190 | Enable support for iWMMXt context switching at run time if | 1190 | Enable support for iWMMXt context switching at run time if |
1191 | running on a CPU that supports it. | 1191 | running on a CPU that supports it. |
@@ -1439,6 +1439,16 @@ config ARM_ERRATA_775420 | |||
1439 | to deadlock. This workaround puts DSB before executing ISB if | 1439 | to deadlock. This workaround puts DSB before executing ISB if |
1440 | an abort may occur on cache maintenance. | 1440 | an abort may occur on cache maintenance. |
1441 | 1441 | ||
1442 | config ARM_ERRATA_798181 | ||
1443 | bool "ARM errata: TLBI/DSB failure on Cortex-A15" | ||
1444 | depends on CPU_V7 && SMP | ||
1445 | help | ||
1446 | On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not | ||
1447 | adequately shooting down all use of the old entries. This | ||
1448 | option enables the Linux kernel workaround for this erratum | ||
1449 | which sends an IPI to the CPUs that are running the same ASID | ||
1450 | as the one being invalidated. | ||
1451 | |||
1442 | endmenu | 1452 | endmenu |
1443 | 1453 | ||
1444 | source "arch/arm/common/Kconfig" | 1454 | source "arch/arm/common/Kconfig" |