diff options
| -rw-r--r-- | arch/powerpc/kernel/cpu_setup_power7.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_power7.S b/arch/powerpc/kernel/cpu_setup_power7.S index 2390f6f7c478..4f9a93fcfe07 100644 --- a/arch/powerpc/kernel/cpu_setup_power7.S +++ b/arch/powerpc/kernel/cpu_setup_power7.S @@ -25,7 +25,10 @@ _GLOBAL(__setup_cpu_power7) bl __init_hvmode_206 mtlr r11 beqlr + li r0,0 + mtspr SPRN_LPID,r0 bl __init_LPCR + bl __init_TLB mtlr r11 blr @@ -34,7 +37,10 @@ _GLOBAL(__restore_cpu_power7) mfmsr r3 rldicl. r0,r3,4,63 beqlr + li r0,0 + mtspr SPRN_LPID,r0 bl __init_LPCR + bl __init_TLB mtlr r11 blr @@ -71,3 +77,15 @@ __init_LPCR: mtspr SPRN_LPCR,r3 isync blr + +__init_TLB: + /* Clear the TLB */ + li r6,128 + mtctr r6 + li r7,0xc00 /* IS field = 0b11 */ + ptesync +2: tlbiel r7 + addi r7,r7,0x1000 + bdnz 2b + ptesync +1: blr |