diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc83xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/start.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S index 515be4c87..460ac9aab 100644 --- a/arch/powerpc/cpu/mpc83xx/start.S +++ b/arch/powerpc/cpu/mpc83xx/start.S @@ -1158,6 +1158,10 @@ map_flash_by_law1: bne 1b stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */ + /* Wait for HW to catch up */ + lwz r4, LBLAWAR1(r3) + twi 0,r4,0 + isync blr /* Though all the LBIU Local Access Windows and LBC Banks will be @@ -1196,5 +1200,9 @@ remap_flash_by_law0: xor r4, r4, r4 stw r4, LBLAWBAR1(r3) stw r4, LBLAWAR1(r3) /* Off LBIU LAW1 */ + /* Wait for HW to catch up */ + lwz r4, LBLAWAR1(r3) + twi 0,r4,0 + isync blr #endif /* CONFIG_SYS_FLASHBOOT */ |