drivers: hwinfo: add TI MSPM0 support (7e5434f2) · Commits · Wenxi XU / zephyr

drivers/hwinfo/Kconfig

+7 −0

Changes for drivers/hwinfo/Kconfig: 7 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -297,4 +297,11 @@ config HWINFO_RENESAS_RA
		help
		Enable RENESAS RA hwinfo driver

		config HWINFO_MSPM0
		bool "TI MSPM0 hwinfo"
		default y
		depends on SOC_FAMILY_TI_MSPM0
		help
		Enable TI MSPM0 hwinfo driver

		endif

drivers/hwinfo/hwinfo_mspm0.c

0 → 100644

+134 −0

Changes for drivers/hwinfo/hwinfo_mspm0.c: 134 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2025 Linumiz GmbH
		*
		* SPDX-License-Identifier: Apache-2.0
		*/

		#include <zephyr/device.h>
		#include <zephyr/drivers/hwinfo.h>
		#include <ti/driverlib/driverlib.h>
		#include <string.h>

		static uint32_t reset_cause;
		ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
		{
		struct mspm0_device_id {
		uint16_t manufacturer;
		uint16_t partnum;
		uint8_t version;
		uint32_t traceid;
		uint16_t user_partnum;
		uint8_t user_var;
		};

		struct mspm0_device_id info = {0};

		info.manufacturer = DL_FactoryRegion_getManufacturerCode();
		info.partnum = DL_FactoryRegion_getPartNumber();
		info.version = DL_FactoryRegion_getVersion();
		info.traceid = DL_FactoryRegion_getTraceID();
		info.user_partnum = DL_FactoryRegion_getUserIDPart();
		info.user_var = DL_FactoryRegion_getUserIDVariant();

		if (length > sizeof(info)) {
		length = sizeof(info);
		}
		memcpy(buffer, &info, length);

		return length;
		}

		int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
		{
		uint32_t reason;

		if (reset_cause != 0) {
		*cause = reset_cause;
		return 0;
		}

		reason = DL_SYSCTL_getResetCause();
		switch (reason) {
		case DL_SYSCTL_RESET_CAUSE_POR_HW_FAILURE:
		*cause = RESET_POR;
		break;
		case DL_SYSCTL_RESET_CAUSE_POR_EXTERNAL_NRST:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_BOOTRST_EXTERNAL_NRST:
		*cause = RESET_PIN;
		break;
		case DL_SYSCTL_RESET_CAUSE_POR_SW_TRIGGERED:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_BOOTRST_SW_TRIGGERED:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_SW_TRIGGERED:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_CPURST_SW_TRIGGERED:
		*cause = RESET_SOFTWARE;
		break;
		case DL_SYSCTL_RESET_CAUSE_BOR_SUPPLY_FAILURE:
		*cause = RESET_BROWNOUT;
		break;
		case DL_SYSCTL_RESET_CAUSE_BOR_WAKE_FROM_SHUTDOWN:
		*cause = RESET_LOW_POWER_WAKE;
		break;
		case DL_SYSCTL_RESET_CAUSE_BOOTRST_NON_PMU_PARITY_FAULT:
		*cause = RESET_PARITY;
		break;
		case DL_SYSCTL_RESET_CAUSE_BOOTRST_CLOCK_FAULT:
		*cause = RESET_CLOCK;
		break;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_BSL_EXIT:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_BSL_ENTRY:
		*cause = RESET_BOOTLOADER;
		break;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_WWDT0_VIOLATION:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_WWDT1_VIOLATION:
		*cause = RESET_WATCHDOG;
		break;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_FLASH_ECC_ERROR:
		*cause = RESET_FLASH;
		break;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_CPU_LOCKUP_VIOLATION:
		*cause = RESET_CPU_LOCKUP;
		break;
		case DL_SYSCTL_RESET_CAUSE_SYSRST_DEBUG_TRIGGERED:
		__fallthrough;
		case DL_SYSCTL_RESET_CAUSE_CPURST_DEBUG_TRIGGERED:
		*cause = RESET_DEBUG;
		break;
		default:
		break;
		}

		reset_cause = *cause;

		return 0;
		}

		int z_impl_hwinfo_clear_reset_cause(void)
		{
		reset_cause = 0;

		return 0;
		}

		int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported)
		{
		*supported = RESET_POR
		\| RESET_PIN
		\| RESET_SOFTWARE
		\| RESET_BROWNOUT
		\| RESET_LOW_POWER_WAKE
		\| RESET_PARITY
		\| RESET_CLOCK
		\| RESET_BOOTLOADER
		\| RESET_WATCHDOG
		\| RESET_FLASH
		\| RESET_CPU_LOCKUP
		\| RESET_DEBUG;

		return 0;
		}

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