diff options
Diffstat (limited to 'arch/ppc/kernel/head_8xx.S')
| -rw-r--r-- | arch/ppc/kernel/head_8xx.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index 86bc7271fc326b..402158d9e4b96e 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -443,6 +443,10 @@ DataStoreTLBMiss: * above. */ rlwimi r21, r20, 0, 27, 27 + /* Insert the WriteThru flag into the TWC from the Linux PTE. + * It is bit 25 in the Linux PTE and bit 30 in the TWC + */ + rlwimi r21, r20, 32-5, 30, 30 DO_8xx_CPU6(0x3b80, r3) mtspr MD_TWC, r21 @@ -579,6 +583,10 @@ DARFixed: * It is bit 27 of both the Linux PTE and the TWC */ rlwimi r21, r20, 0, 27, 27 + /* Insert the WriteThru flag into the TWC from the Linux PTE. + * It is bit 25 in the Linux PTE and bit 30 in the TWC + */ + rlwimi r21, r20, 32-5, 30, 30 DO_8xx_CPU6(0x3b80, r3) mtspr MD_TWC, r21 mfspr r21, MD_TWC /* get the pte address again */ |