drivers: hwinfo: Add support for Apollo510 hwinfo

This commit adds support for Apollo510 SoC in ambiq hwinfo driver

Signed-off-by: Hao Luo <[email protected]>

Author: AlessandroLuo

boards/ambiq/apollo510_evb/apollo510_evb.yaml

@@ -16,6 +16,7 @@ supported:
   - spi
   - i2c
   - rtc
+  - hwinfo
   - clock_control
   - mspi
 testing:

drivers/hwinfo/Kconfig

@@ -247,7 +247,7 @@ config HWINFO_RW61X
 config HWINFO_AMBIQ
 	bool "AMBIQ hwinfo"
 	default y
-	depends on SOC_SERIES_APOLLO4X
+	depends on SOC_SERIES_APOLLO4X || SOC_SERIES_APOLLO5X
 	select HWINFO_HAS_DRIVER
 	select AMBIQ_HAL
 	select AMBIQ_HAL_USE_HWINFO

drivers/hwinfo/hwinfo_ambiq.c

@@ -11,7 +11,6 @@
 
 ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
 {
-
 	struct ambiq_hwinfo {
 		/* Ambiq Chip ID0 */
 		uint32_t chip_id_0;
@@ -27,7 +26,12 @@ ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
 	/* Contains the HAL hardware information about the device. */
 	am_hal_mcuctrl_device_t mcu_ctrl_device;
 
+#if (CONFIG_SOC_SERIES_APOLLO5X)
+	am_hal_info1_read(AM_HAL_INFO_INFOSPACE_CURRENT_INFO1, AM_REG_OTP_INFO1_TRIM_REV_O / 4, 1,
+			  &dev_hw_info.factory_trim_version);
+#else
 	am_hal_mram_info_read(1, AM_REG_INFO1_TRIM_REV_O / 4, 1, &dev_hw_info.factory_trim_version);
+#endif
 	am_hal_mcuctrl_info_get(AM_HAL_MCUCTRL_INFO_DEVICEID, &mcu_ctrl_device);
 
 	dev_hw_info.chip_id_0 = mcu_ctrl_device.ui32ChipID0;
@@ -61,9 +65,15 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
 	}
 
 	/* POWER CYCLE */
+#if (CONFIG_SOC_SERIES_APOLLO5X)
+	if (reset_status & AM_HAL_RESET_STATUS_POA) {
+		flags |= RESET_POR;
+	}
+#else
 	if (reset_status & AM_HAL_RESET_STATUS_POR) {
 		flags |= RESET_POR;
 	}
+#endif
 
 	/* BROWNOUT DETECTOR */
 	if (reset_status & AM_HAL_RESET_STATUS_BOD) {
@@ -110,6 +120,13 @@ int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
 		flags |= RESET_HARDWARE;
 	}
 
+#if (CONFIG_SOC_SERIES_APOLLO5X)
+	/* AIRCR */
+	if (reset_status & AM_HAL_RESET_STATUS_AIRCR) {
+		flags |= RESET_SOFTWARE;
+	}
+#endif
+
 	*cause = flags;
 	return 0;
 }