Diffstat (limited to 'arch/arm/Kconfig')
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b3fc1fd2334..61746a2f441 100644
@@ -1087,6 +1087,20 @@ if !MMU
+ bool "PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation"
+ depends on CPU_PJ4B && MACH_ARMADA_370
+ default y
+ When coming out of either a Wait for Interrupt (WFI) or a Wait for
+ Event (WFE) IDLE states, a specific timing sensitivity exists between
+ the retiring WFI/WFE instructions and the newly issued subsequent
+ instructions. This sensitivity can result in a CPU hang scenario.
+ The software must insert either a Data Synchronization Barrier (DSB)
+ or Data Memory Barrier (DMB) command immediately after the WFI/WFE
bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
depends on CPU_V6
@@ -1189,6 +1203,16 @@ config PL310_ERRATA_588369
is not correctly implemented in PL310 as clean lines are not
invalidated as a result of these operations.
+ bool "ARM errata: LoUIS bit field in CLIDR register is incorrect"
+ depends on CPU_V7 && SMP
+ This option enables the workaround for the 643719 Cortex-A9 (prior to
+ r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR
+ register returns zero when it should return one. The workaround
+ corrects this value, ensuring cache maintenance operations which use
+ it behave as intended and avoiding data corruption.
bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
depends on CPU_V7
@@ -2031,7 +2055,7 @@ config XIP_PHYS_ADDR
bool "Kexec system call (EXPERIMENTAL)"
- depends on (!SMP || HOTPLUG_CPU)
+ depends on (!SMP || PM_SLEEP_SMP)
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot