ARM: Add workaround for Cortex-A9 errata 794072

[u-boot] / arch / arm / cpu / armv7 / start.S

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index ac1e55a708d7edb8a9e3d65202867b472aaf5096..f3830c847161a0dc891cd3ef1fc0a6226347be18 100644 (file)
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -205,7 +205,7 @@ ENTRY(cpu_init_cp15)
        mcr     p15, 0, r0, c1, c0, 0   @ write system control register
 #endif
 
-#ifdef CONFIG_ARM_ERRATA_742230
+#if (defined(CONFIG_ARM_ERRATA_742230) || defined(CONFIG_ARM_ERRATA_794072))
        mrc     p15, 0, r0, c15, c0, 1  @ read diagnostic register
        orr     r0, r0, #1 << 4         @ set bit #4
        mcr     p15, 0, r0, c15, c0, 1  @ write diagnostic register