drivers: hwinfo: Support for reset reasons in nRF54H20 (f551b2dc) · Commits · Wenxi XU / zephyr

drivers/hwinfo/hwinfo_nrf.c

+38 −11

Original line number	Diff line number	Diff line
		@@ -8,8 +8,13 @@
		#include <zephyr/drivers/hwinfo.h>
		#include <string.h>
		#include <zephyr/sys/byteorder.h>
		#if !defined(CONFIG_SOC_SERIES_NRF54HX) && !defined(CONFIG_BOARD_QEMU_CORTEX_M0)
		#if defined(CONFIG_BOARD_QEMU_CORTEX_M0) \|\| \
		(defined(CONFIG_NRF_PLATFORM_HALTIUM) && \
		defined(CONFIG_RISCV_CORE_NORDIC_VPR))
		#define RESET_CAUSE_AVAILABLE 0
		#else
		#include <helpers/nrfx_reset_reason.h>
		#define RESET_CAUSE_AVAILABLE 1
		#endif

		#if defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) && defined(NRF_FICR_S)
		@@ -63,7 +68,30 @@ ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
		return length;
		}

		#if !defined(CONFIG_SOC_SERIES_NRF54HX) && !defined(CONFIG_BOARD_QEMU_CORTEX_M0)
		#if RESET_CAUSE_AVAILABLE

		#if defined(NRF_RESETINFO)

		#define REASON_LOCKUP (NRFX_RESET_REASON_LOCKUP_MASK \| NRFX_RESET_REASON_LOCAL_LOCKUP_MASK)
		#define REASON_SOFTWARE (NRFX_RESET_REASON_SREQ_MASK \| NRFX_RESET_REASON_LOCAL_SREQ_MASK)
		#define REASON_WATCHDOG \
		(NRFX_RESET_REASON_DOG_MASK \| \
		NRFX_RESET_REASON_LOCAL_DOG1_MASK \| \
		NRFX_RESET_REASON_LOCAL_DOG0_MASK)

		#else /* NRF_RESETINFO */

		#define REASON_LOCKUP NRFX_RESET_REASON_LOCKUP_MASK
		#define REASON_SOFTWARE NRFX_RESET_REASON_SREQ_MASK

		#if NRF_POWER_HAS_RESETREAS
		#define REASON_WATCHDOG NRFX_RESET_REASON_DOG_MASK
		#else
		#define REASON_WATCHDOG (NRFX_RESET_REASON_DOG0_MASK \| NRFX_RESET_REASON_DOG1_MASK)
		#endif /* NRF_POWER_HAS_RESETREAS */

		#endif /* NRF_RESETINFO */

		int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
		{
		uint32_t flags = 0;
		@@ -73,19 +101,21 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
		if (reason & NRFX_RESET_REASON_RESETPIN_MASK) {
		flags \|= RESET_PIN;
		}
		if (reason & NRFX_RESET_REASON_DOG_MASK) {
		if (reason & REASON_WATCHDOG) {
		flags \|= RESET_WATCHDOG;
		}
		if (reason & NRFX_RESET_REASON_LOCKUP_MASK) {

		if (reason & REASON_LOCKUP) {
		flags \|= RESET_CPU_LOCKUP;
		}

		if (reason & NRFX_RESET_REASON_OFF_MASK) {
		flags \|= RESET_LOW_POWER_WAKE;
		}
		if (reason & NRFX_RESET_REASON_DIF_MASK) {
		flags \|= RESET_DEBUG;
		}
		if (reason & NRFX_RESET_REASON_SREQ_MASK) {
		if (reason & REASON_SOFTWARE) {
		flags \|= RESET_SOFTWARE;
		}

		@@ -124,11 +154,7 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
		flags \|= RESET_DEBUG;
		}
		#endif
		#if !NRF_POWER_HAS_RESETREAS
		if (reason & NRFX_RESET_REASON_DOG1_MASK) {
		flags \|= RESET_WATCHDOG;
		}
		#endif

		#if NRFX_RESET_REASON_HAS_GRTC
		if (reason & NRFX_RESET_REASON_GRTC_MASK) {
		flags \|= RESET_CLOCK;
		@@ -147,6 +173,7 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
		if (reason & NRFX_RESET_REASON_LCTRLAP_MASK) {
		flags \|= RESET_DEBUG;
		}

		#endif
		#if defined(NRFX_RESET_REASON_TAMPC_MASK)
		if (reason & NRFX_RESET_REASON_TAMPC_MASK) {
		@@ -184,4 +211,4 @@ int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported)

		return 0;
		}
		#endif
		#endif /* RESET_CAUSE_AVAILABLE */

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