X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Farm%2Fmm%2Fproc-v7.S;h=b3b566ec83d397c1074c1dcbee0d5e33542e7d9c;hb=6715a52a581c891e9a2034abe1c81ddb482d70b3;hp=babfba09c89ff390deb7ddfd0496e813f442e047;hpb=4d429480352c63db2228489f0db9fd381cdc3c9c;p=karo-tx-linux.git diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index babfba09c89f..b3b566ec83d3 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -108,18 +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 + mrc p15, 0, r2, c2, c0, 1 @ load TTB 1 + mcr p15, 0, r2, c2, c0, 0 @ into TTB 0 isb #ifdef CONFIG_ARM_ERRATA_754322 dsb #endif mcr p15, 0, r1, c13, c0, 1 @ set context ID isb + mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 + isb #endif mov pc, lr ENDPROC(cpu_v7_switch_mm) @@ -368,7 +366,9 @@ __v7_setup: mcr p15, 0, r10, c2, c0, 2 @ TTB control register ALT_SMP(orr r4, r4, #TTB_FLAGS_SMP) ALT_UP(orr r4, r4, #TTB_FLAGS_UP) - mcr p15, 0, r4, c2, c0, 1 @ load TTB1 + ALT_SMP(orr r8, r8, #TTB_FLAGS_SMP) + ALT_UP(orr r8, r8, #TTB_FLAGS_UP) + mcr p15, 0, r8, c2, c0, 1 @ load TTB1 ldr r5, =PRRR @ PRRR ldr r6, =NMRR @ NMRR mcr p15, 0, r5, c10, c2, 0 @ write PRRR