diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3269576dbfa..4792d2928fa 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -835,6 +835,7 @@ config ARCH_U300 select CLKDEV_LOOKUP select HAVE_MACH_CLKDEV select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB help Support for ST-Ericsson U300 series mobile platforms. @@ -1283,6 +1284,20 @@ config ARM_ERRATA_364296 processor into full low interrupt latency mode. ARM11MPCore is not affected. +config ARM_ERRATA_764369 + bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" + depends on CPU_V7 && SMP + help + This option enables the workaround for erratum 764369 + affecting Cortex-A9 MPCore with two or more processors (all + current revisions). Under certain timing circumstances, a data + cache line maintenance operation by MVA targeting an Inner + Shareable memory region may fail to proceed up to either the + Point of Coherency or to the Point of Unification of the + system. This workaround adds a DSB instruction before the + relevant cache maintenance functions and sets a specific bit + in the diagnostic control register of the SCU. + endmenu source "arch/arm/common/Kconfig" |