diff options
Diffstat (limited to 'cpu/mpc85xx/release.S')
| -rw-r--r-- | cpu/mpc85xx/release.S | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S index 00c4c547fd..dab784efa4 100644 --- a/cpu/mpc85xx/release.S +++ b/cpu/mpc85xx/release.S @@ -70,18 +70,40 @@ __secondary_start_page: mttbu r3 /* Enable/invalidate the I-Cache */ - mfspr r0,SPRN_L1CSR1 - ori r0,r0,(L1CSR1_ICFI|L1CSR1_ICE) - mtspr SPRN_L1CSR1,r0 + lis r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@h + ori r2,r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@l + mtspr SPRN_L1CSR1,r2 +1: + mfspr r3,SPRN_L1CSR1 + and. r1,r3,r2 + bne 1b + + lis r3,(L1CSR1_CPE|L1CSR1_ICE)@h + ori r3,r3,(L1CSR1_CPE|L1CSR1_ICE)@l + mtspr SPRN_L1CSR1,r3 isync +2: + mfspr r3,SPRN_L1CSR1 + andi. r1,r3,L1CSR1_ICE@l + beq 2b /* Enable/invalidate the D-Cache */ - mfspr r0,SPRN_L1CSR0 - ori r0,r0,(L1CSR0_DCFI|L1CSR0_DCE) - msync - isync - mtspr SPRN_L1CSR0,r0 + lis r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@h + ori r2,r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@l + mtspr SPRN_L1CSR0,r2 +1: + mfspr r3,SPRN_L1CSR0 + and. r1,r3,r2 + bne 1b + + lis r3,(L1CSR0_CPE|L1CSR0_DCE)@h + ori r3,r3,(L1CSR0_CPE|L1CSR0_DCE)@l + mtspr SPRN_L1CSR0,r3 isync +2: + mfspr r3,SPRN_L1CSR0 + andi. r1,r3,L1CSR0_DCE@l + beq 2b #define toreset(x) (x - __secondary_start_page + 0xfffff000) |