1 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 88c97bc7a6f5..9c26ba7244fb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1101,6 +1101,20 @@ config ARM_ERRATA_720789
           invalidated are not, resulting in an incoherency in the system page
           tables. The workaround changes the TLB flushing routines to invalidate
           entries regardless of the ASID.
+
+config ARM_ERRATA_743622
+        bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
+        depends on CPU_V7
+        help
+          This option enables the workaround for the 743622 Cortex-A9
+          (r2p0..r2p2) erratum. Under very rare conditions, a faulty
+          optimisation in the Cortex-A9 Store Buffer may lead to data
+          corruption. This workaround sets a specific bit in the diagnostic
+          register of the Cortex-A9 which disables the Store Buffer
+          optimisation, preventing the defect from occurring. This has no
+          visible impact on the overall performance or power consumption of the
+          processor.
+
 endmenu
 
 source "arch/arm/common/Kconfig"