diff options
Diffstat (limited to 'cpu/xscale/start.S')
| -rw-r--r-- | cpu/xscale/start.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cpu/xscale/start.S b/cpu/xscale/start.S index cc24c30bf..e63fece8b 100644 --- a/cpu/xscale/start.S +++ b/cpu/xscale/start.S @@ -175,10 +175,11 @@ OSTIMER_BASE: .word 0x40a00000 #define OIER 0x1C /* Clock Manager Registers */ +#ifdef CFG_CPUSPEED CC_BASE: .word 0x41300000 #define CCCR 0x00 cpuspeed: .word CFG_CPUSPEED - +#endif /* RS: ??? */ .macro CPWAIT mrc p15,0,r0,c2,c0,0 @@ -194,10 +195,14 @@ cpu_init_crit: mov r1, #0x00 str r1, [r0, #ICMR] +#ifdef CFG_CPUSPEED /* set clock speed */ ldr r0, CC_BASE ldr r1, cpuspeed str r1, [r0, #CCCR] + mov r0, #3 + mcr p14, 0, r0, c6, c0, 0 +#endif /* * before relocating, we have to setup RAM timing |