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-rw-r--r--arch/arm/cpu/armv7/start.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 27be451..aec92b3 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -227,6 +227,11 @@ ENTRY(cpu_init_cp15)
orr r0, r0, #1 << 21 @ set bit #21
mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
#endif
+#ifdef CONFIG_ARM_ERRATA_845369
+ mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register
+ orr r0, r0, #1 << 22 @ set bit #22
+ mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
+#endif
mov pc, lr @ back to my caller
ENDPROC(cpu_init_cp15)