diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 678f98cd5e64..a2ed3422fa3d 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S | |||
@@ -768,12 +768,12 @@ start_here: | |||
768 | */ | 768 | */ |
769 | initial_mmu: | 769 | initial_mmu: |
770 | tlbia /* Invalidate all TLB entries */ | 770 | tlbia /* Invalidate all TLB entries */ |
771 | #ifdef CONFIG_PIN_TLB | 771 | /* Always pin the first 8 MB ITLB to prevent ITLB |
772 | misses while mucking around with SRR0/SRR1 in asm | ||
773 | */ | ||
772 | lis r8, MI_RSV4I@h | 774 | lis r8, MI_RSV4I@h |
773 | ori r8, r8, 0x1c00 | 775 | ori r8, r8, 0x1c00 |
774 | #else | 776 | |
775 | li r8, 0 | ||
776 | #endif | ||
777 | mtspr SPRN_MI_CTR, r8 /* Set instruction MMU control */ | 777 | mtspr SPRN_MI_CTR, r8 /* Set instruction MMU control */ |
778 | 778 | ||
779 | #ifdef CONFIG_PIN_TLB | 779 | #ifdef CONFIG_PIN_TLB |