X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2FKconfig;h=aa46e6fa36e4bdffd51cf5a934a43fee47651bf7;hb=df80442d1ee2902c2e39f90f18160f2e08d14c06;hp=b7f7510658d6e08ee88edda0bb0aeb172077a263;hpb=0cdc8b921d68817b687755b4f6ae20cd8ff1d026;p=pandora-kernel.git diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b7f7510658d6..aa46e6fa36e4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1297,6 +1297,32 @@ config ARM_ERRATA_754327 This workaround defines cpu_relax() as smp_mb(), preventing correctly written polling loops from denying visibility of updates to memory. +config ARM_ERRATA_364296 + bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" + depends on CPU_V6 && !SMP + help + This options enables the workaround for the 364296 ARM1136 + r0p2 erratum (possible cache data corruption with + hit-under-miss enabled). It sets the undocumented bit 31 in + the auxiliary control register and the FI bit in the control + register, thus disabling hit-under-miss without putting the + 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"