diff options
| author | Wolfgang Denk <wd@pollux.denx.de> | 2005-10-05 02:06:08 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2005-10-05 02:06:08 +0200 |
| commit | c0e82d5016924b446bd5542045854aa0e109fe80 (patch) | |
| tree | 25f32c44a0d9c90ec0c6ece523e81e68fcb99a65 | |
| parent | 3b9dfddfd8fc7d6639e6d746774ca7af77dfd881 (diff) | |
Set the AT91RM9200 clock to asynchronous mode
Patch by Anders Larsen, 03 May 2005
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/lowlevel_init.S | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/CHANGELOG b/CHANGELOG index 8c63cdeb4c7..48049dad928 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,9 @@ Changes for U-Boot 1.1.4: ====================================================================== +* Set the AT91RM9200 clock to asynchronous mode + Patch by Anders Larsen, 03 May 2005 + * Set the AT91RM9200 clock to synchronous mode Patch by Anders Larsen, 29 Apr 2005 diff --git a/cpu/arm920t/at91rm9200/lowlevel_init.S b/cpu/arm920t/at91rm9200/lowlevel_init.S index 6941d42dff0..1902bd02c5d 100644 --- a/cpu/arm920t/at91rm9200/lowlevel_init.S +++ b/cpu/arm920t/at91rm9200/lowlevel_init.S @@ -123,9 +123,9 @@ LoopOsc: cmp r2, r0 bne 2b - /* switch from FastBus to Synchronous clock mode */ + /* switch from FastBus to Asynchronous clock mode */ mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #0x40000000 @ set bit 30 (nF) notFastBus + orr r0, r0, #0xC0000000 @ set bit 31 (iA) and 30 (nF) mcr p15, 0, r0, c1, c0, 0 /* everything is fine now */ |