diff options
Diffstat (limited to 'cpu/mpc85xx')
| -rw-r--r-- | cpu/mpc85xx/start.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index b769ef8..b489d2f 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -268,7 +268,10 @@ _start_e500: */ lis r3,CFG_INIT_RAM_ADDR@h ori r3,r3,CFG_INIT_RAM_ADDR@l - li r2,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) + mfspr r2, L1CFG0 + andi. r2, r2, 0x1ff + /* cache size * 1024 / (2 * L1 line size) */ + slwi r2, r2, (10 - 1 - L1_CACHE_SHIFT) mtctr r2 li r0,0 1: @@ -1061,7 +1064,9 @@ unlock_ram_in_cache: /* invalidate the INIT_RAM section */ lis r3,(CFG_INIT_RAM_ADDR & ~31)@h ori r3,r3,(CFG_INIT_RAM_ADDR & ~31)@l - li r4,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) + mfspr r4,L1CFG0 + andi. r4,r4,0x1ff + slwi r4,r4,(10 - 1 - L1_CACHE_SHIFT) mtctr r4 1: icbi r0,r3 dcbi r0,r3 |