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| author | liamstask <liamstask@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-08 01:11:29 +0000 |
|---|---|---|
| committer | liamstask <liamstask@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-08 01:11:29 +0000 |
| commit | 348922bb1cf72c4812256ee4b0317ac492d78ddb (patch) | |
| tree | f422d97c01ab85442cde04e0b8d47fa9c417a5fd /os/hal | |
| parent | 0b8fd860fa71b35bfe0a242471d3bc4b56c93089 (diff) | |
| download | ChibiOS-348922bb1cf72c4812256ee4b0317ac492d78ddb.tar.gz ChibiOS-348922bb1cf72c4812256ee4b0317ac492d78ddb.tar.bz2 ChibiOS-348922bb1cf72c4812256ee4b0317ac492d78ddb.zip | |
* [AT91SAM7] wait for hardware reset before setting up the clock, otherwise USB doesn't come up successfully
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1382 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal')
| -rw-r--r-- | os/hal/platforms/AT91SAM7/hal_lld.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/os/hal/platforms/AT91SAM7/hal_lld.c b/os/hal/platforms/AT91SAM7/hal_lld.c index 876e60e78..6da681fcd 100644 --- a/os/hal/platforms/AT91SAM7/hal_lld.c +++ b/os/hal/platforms/AT91SAM7/hal_lld.c @@ -97,6 +97,12 @@ void hal_lld_init(void) { */
void at91sam7_clock_init(void) {
+ /* wait for reset */
+ while((AT91C_BASE_RSTC->RSTC_RSR & (AT91C_RSTC_SRCMP | AT91C_RSTC_NRSTL)) != AT91C_RSTC_NRSTL)
+ ;
+ /* enable reset */
+ AT91C_BASE_RSTC->RSTC_RMR = ((0xA5 << 24) | AT91C_RSTC_URSTEN);
+
/* Flash Memory: 1 wait state, about 50 cycles in a microsecond.*/
AT91C_BASE_MC->MC_FMR = (AT91C_MC_FMCN & (50 << 16)) | AT91C_MC_FWS_1FWS;
|