diff options
Diffstat (limited to 'os/hal/platforms')
| -rw-r--r-- | os/hal/platforms/AT91SAM7/hal_lld.c | 4 | ||||
| -rw-r--r-- | os/hal/platforms/AT91SAM7/hal_lld.h | 9 |
2 files changed, 9 insertions, 4 deletions
diff --git a/os/hal/platforms/AT91SAM7/hal_lld.c b/os/hal/platforms/AT91SAM7/hal_lld.c index 7c788ca9e..876e60e78 100644 --- a/os/hal/platforms/AT91SAM7/hal_lld.c +++ b/os/hal/platforms/AT91SAM7/hal_lld.c @@ -100,9 +100,6 @@ void at91sam7_clock_init(void) { /* 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;
- /* Watchdog disabled.*/
- AT91C_BASE_WDTC->WDTC_WDMR = AT91C_WDTC_WDDIS;
-
/* Enables the main oscillator and waits 56 slow cycles as startup time.*/
AT91C_BASE_PMC->PMC_MOR = (AT91C_CKGR_OSCOUNT & (7 << 8)) | AT91C_CKGR_MOSCEN;
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCS))
@@ -112,6 +109,7 @@ void at91sam7_clock_init(void) { PLLfreq = 96109714 Hz (rounded).*/
AT91C_BASE_PMC->PMC_PLLR = (AT91C_CKGR_DIV & 14) |
(AT91C_CKGR_PLLCOUNT & (10 << 8)) |
+ (AT91SAM7_USBDIV) |
(AT91C_CKGR_MUL & (72 << 16));
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK))
;
diff --git a/os/hal/platforms/AT91SAM7/hal_lld.h b/os/hal/platforms/AT91SAM7/hal_lld.h index 741062679..733ef9a51 100644 --- a/os/hal/platforms/AT91SAM7/hal_lld.h +++ b/os/hal/platforms/AT91SAM7/hal_lld.h @@ -35,12 +35,19 @@ /*===========================================================================*/
/**
- * @brief Default action for the spurious handler, nothing. + * @brief Default action for the spurious handler, nothing.
*/
#if !defined(AT91SAM7_SPURIOUS_HANDLER_HOOK) || defined(__DOXYGEN__)
#define AT91SAM7_SPURIOUS_HANDLER_HOOK()
#endif
+/**
+ * @brief Default divider for the USB clock - half the PLL clock.
+ */
+#if !defined(AT91SAM7_USBDIV) || defined(__DOXYGEN__)
+#define AT91SAM7_USBDIV AT91C_CKGR_USBDIV_1
+#endif
+
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
|