diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index c334f53453f7..b5061abbd2e0 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S | |||
| @@ -1210,10 +1210,12 @@ clear_utlb_entry: | |||
| 1210 | 1210 | ||
| 1211 | /* We configure icbi to invalidate 128 bytes at a time since the | 1211 | /* We configure icbi to invalidate 128 bytes at a time since the |
| 1212 | * current 32-bit kernel code isn't too happy with icache != dcache | 1212 | * current 32-bit kernel code isn't too happy with icache != dcache |
| 1213 | * block size | 1213 | * block size. We also disable the BTAC as this can cause errors |
| 1214 | * in some circumstances (see IBM Erratum 47). | ||
| 1214 | */ | 1215 | */ |
| 1215 | mfspr r3,SPRN_CCR0 | 1216 | mfspr r3,SPRN_CCR0 |
| 1216 | oris r3,r3,0x0020 | 1217 | oris r3,r3,0x0020 |
| 1218 | ori r3,r3,0x0040 | ||
| 1217 | mtspr SPRN_CCR0,r3 | 1219 | mtspr SPRN_CCR0,r3 |
| 1218 | isync | 1220 | isync |
| 1219 | 1221 | ||