diff options
Diffstat (limited to 'chip/g/system.c')
| -rw-r--r-- | chip/g/system.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/chip/g/system.c b/chip/g/system.c index 8054a11bc0..6b52f7d2cd 100644 --- a/chip/g/system.c +++ b/chip/g/system.c @@ -23,8 +23,22 @@ static void check_reset_cause(void) } /* Low-power exit (ie, wake from deep sleep) */ - if (g_rstsrc & GC_PMU_RSTSRC_EXIT_MASK) - flags |= RESET_FLAG_WAKE_PIN; + if (g_rstsrc & GC_PMU_RSTSRC_EXIT_MASK) { + /* This register is cleared by reading it */ + uint32_t g_exitpd = GR_PMU_EXITPD_SRC; + + if (g_exitpd & GC_PMU_EXITPD_SRC_PIN_PD_EXIT_MASK) + flags |= RESET_FLAG_WAKE_PIN; + if (g_exitpd & GC_PMU_EXITPD_SRC_UTMI_SUSPEND_N_MASK) + flags |= RESET_FLAG_USB_RESUME; + if (g_exitpd & (GC_PMU_EXITPD_SRC_TIMELS0_PD_EXIT_TIMER0_MASK | + GC_PMU_EXITPD_SRC_TIMELS0_PD_EXIT_TIMER1_MASK)) + flags |= RESET_FLAG_RTC_ALARM; + /* Not yet sure what to do with these */ + if (g_exitpd & (GC_PMU_EXITPD_SRC_RDD0_PD_EXIT_TIMER_MASK | + GC_PMU_EXITPD_SRC_RBOX_WAKEUP_MASK)) + flags |= RESET_FLAG_OTHER; + } /* TODO(crosbug.com/p/47289): This bit doesn't work */ if (g_rstsrc & GC_PMU_RSTSRC_WDOG_MASK) |