diff options
| author | Wolfgang Denk | 2005-10-05 02:02:25 +0200 |
|---|---|---|
| committer | Wolfgang Denk | 2005-10-05 02:02:25 +0200 |
| commit | 3b9dfddfd8fc7d6639e6d746774ca7af77dfd881 (patch) | |
| tree | a2552b0b24135f17e0110d7d74823b6db2e71018 /cpu | |
| parent | 645da510979b839196567506e8b2f33ba4cc8140 (diff) | |
Set the AT91RM9200 clock to synchronous mode
Patch by Anders Larsen, 29 Apr 2005
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/arm920t/at91rm9200/lowlevel_init.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cpu/arm920t/at91rm9200/lowlevel_init.S b/cpu/arm920t/at91rm9200/lowlevel_init.S index 05887adc0c4..6941d42dff0 100644 --- a/cpu/arm920t/at91rm9200/lowlevel_init.S +++ b/cpu/arm920t/at91rm9200/lowlevel_init.S @@ -123,6 +123,11 @@ LoopOsc: cmp r2, r0 bne 2b + /* switch from FastBus to Synchronous clock mode */ + mrc p15, 0, r0, c1, c0, 0 + orr r0, r0, #0x40000000 @ set bit 30 (nF) notFastBus + mcr p15, 0, r0, c1, c0, 0 + /* everything is fine now */ mov pc, lr |