diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/cpu_setup_power.S | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 7b44a6e3e0f0..1b853f744f8b 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -249,6 +249,8 @@ #define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */ #define LPCR_RMLS_SH (63-37) #define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */ +#define LPCR_AIL_0 0x00000000 /* MMU off exception offset 0x0 */ +#define LPCR_AIL_3 0x01800000 /* MMU on exception offset 0xc00...4xxx */ #define LPCR_PECE 0x00007000 /* powersave exit cause enable */ #define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */ #define LPCR_PECE1 0x00002000 /* decrementer can cause exit */ diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S index 52dd03396c5d..57cf14065aec 100644 --- a/arch/powerpc/kernel/cpu_setup_power.S +++ b/arch/powerpc/kernel/cpu_setup_power.S @@ -54,6 +54,7 @@ _GLOBAL(__setup_cpu_power8) li r0,0 mtspr SPRN_LPID,r0 mfspr r3,SPRN_LPCR + oris r3, r3, LPCR_AIL_3@h bl __init_LPCR bl __init_TLB mtlr r11 @@ -67,6 +68,7 @@ _GLOBAL(__restore_cpu_power8) li r0,0 mtspr SPRN_LPID,r0 mfspr r3,SPRN_LPCR + oris r3, r3, LPCR_AIL_3@h bl __init_LPCR bl __init_TLB mtlr r11 |