diff options
| -rw-r--r-- | bsps/arm/atsam/start/power-rtc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/bsps/arm/atsam/start/power-rtc.c b/bsps/arm/atsam/start/power-rtc.c index 313efff220..0b4a80073f 100644 --- a/bsps/arm/atsam/start/power-rtc.c +++ b/bsps/arm/atsam/start/power-rtc.c @@ -96,6 +96,7 @@ void atsam_power_handler_rtc_driver( ) { atsam_power_data_rtc_driver *rtc_data; + rtems_interrupt_level level; Rtc *rtc = RTC; rtc_data = (atsam_power_data_rtc_driver *)control->data.arg; @@ -109,6 +110,11 @@ void atsam_power_handler_rtc_driver( set_rtc_alarm_interrupt(rtc_data->interval); break; case ATSAM_POWER_INIT: + /* Enable fast startup via RTC alarm */ + rtems_interrupt_disable(level); + PMC->PMC_FSMR |= PMC_FSMR_RTCAL; + rtems_interrupt_enable(level); + rtc_alarm_handler(rtc_data); break; default: |