diff options
Diffstat (limited to 'arch/arm/mm/proc-v7.S')
-rw-r--r-- | arch/arm/mm/proc-v7.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index a5187ddfb267..262fa88a7439 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -108,10 +108,16 @@ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_ARM_ERRATA_430973 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB #endif +#ifdef CONFIG_ARM_ERRATA_754322 + dsb +#endif mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID isb 1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 isb +#ifdef CONFIG_ARM_ERRATA_754322 + dsb +#endif mcr p15, 0, r1, c13, c0, 1 @ set context ID isb #endif @@ -345,6 +351,12 @@ __v7_setup: orreq r10, r10, #1 << 6 @ set bit #6 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register #endif +#ifdef CONFIG_ARM_ERRATA_751472 + cmp r6, #0x30 @ present prior to r3p0 + mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register + orrlt r10, r10, #1 << 11 @ set bit #11 + mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register +#endif 3: mov r10, #0 #ifdef HARVARD_CACHE |