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drivers: hwinfo: modification into hwinfo_get_reset_cause()

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add retrieve flag SB into hwinfo_get_reset_cause()
add Clear flag SB into clear_reset_cause()

Signed-off-by: Marc Desvaux <marc.desvaux-ext@st.com>
This commit is contained in:
Marc Desvaux 2023-03-29 15:25:23 +02:00 • committed by Carles Cufí
commit b523e33c48
1 changed files with 9 additions and 1 deletions
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10
drivers/hwinfo/hwinfo_stm32.c
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@ -10,6 +10,7 @@
#if defined(CONFIG_SOC_SERIES_STM32H5X)
#include <stm32_ll_icache.h>
#endif /* CONFIG_SOC_SERIES_STM32H5X */
#include <stm32_ll_pwr.h>
#include <zephyr/drivers/hwinfo.h>
#include <string.h>
#include <zephyr/sys/byteorder.h>
@ -112,6 +113,11 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
flags |= RESET_LOW_POWER_WAKE;
}
#endif
#if defined(PWR_FLAG_SB)
if (LL_PWR_IsActiveFlag_SB()) {
flags |= RESET_LOW_POWER_WAKE;
}
#endif
*cause = flags;
@ -121,7 +127,9 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
int z_impl_hwinfo_clear_reset_cause(void)
{
LL_RCC_ClearResetFlags();
#if defined(PWR_FLAG_SB)
LL_PWR_ClearFlag_SB();
#endif
return 0;
}