u-boot/board/netmodule/imx8_nmhw23/imx8_nmhw23.c

/*
 * Copyright 2017-2018 NXP
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <fsl_ifc.h>
#include <fdt_support.h>
#include <linux/libfdt.h>
#include <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include "pca953x.h"

#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/mach-imx/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <dm.h>
#include <imx8_hsio.h>
#include <usb.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/video.h>
#include <asm/arch/video_common.h>
#include <power-domain.h>
#include "../../freescale/common/tcpc.h"
#include <cdns3-uboot.h>
#include <asm/arch/lpcg.h>
#include "../nm-common/board_descriptor.h"
#include "../nm-common/da9063.h"
#include "../nm-common/reset_reason.h"

DECLARE_GLOBAL_DATA_PTR;


#define BD_EEPROM_ADDR   (0x50)
#define BD_ADDRESS       (0x0000)
#define PD_ADDRESS       (0x0200)

#define RESET_REASON_SHM_LOCATION 0x95000000

static uint32_t sys_start_event = 0x0;
static BD_Context  bdctx[3];

#define ESDHC_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define ESDHC_CLK_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))


#define ENET_INPUT_PAD_CTRL	((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define ENET_NORMAL_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define FSPI_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define GPIO_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define I2C_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define UART_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

static iomux_cfg_t uart0_pads[] = {
	SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
	SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static void setup_iomux_uart(void)
{
	imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
}

int board_early_init_f(void)
{
	sc_ipc_t ipcHndl = 0;
	sc_err_t sciErr = 0;

	ipcHndl = gd->arch.ipc_channel_handle;

	/* Power up UART0 */
	sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_0, SC_PM_PW_MODE_ON);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Set UART0 clock root to 80 MHz */
	sc_pm_clock_rate_t rate = 80000000;
	sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_0, 2, &rate);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Enable UART0 clock root */
	sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_0, 2, true, false);
	if (sciErr != SC_ERR_NONE)
		return 0;

	LPCG_AllClockOn(LPUART_0_LPCG);

	setup_iomux_uart();

	return 0;
}

#ifdef CONFIG_FSL_ESDHC
#ifndef CONFIG_SPL_BUILD

static struct fsl_esdhc_cfg usdhc_cfg = { USDHC1_BASE_ADDR, 0, 8 };

static iomux_cfg_t emmc0[] = {
	SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
	SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};

int board_mmc_init(bd_t *bis)
{
	int ret;
	struct power_domain pd;

	if (!power_domain_lookup_name("conn_sdhc0", &pd))
	{
		power_domain_on(&pd);
	}
	imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
	init_clk_usdhc(0);
	usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);

	ret = fsl_esdhc_initialize(bis, &usdhc_cfg);
	if (ret)
	{
		printf("Warning: failed to initialize mmc\n");
		return ret;
	}

	return 0;
}

int board_mmc_getcd(struct mmc *mmc)
{
	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
	int ret = 0;

	/* eMMC */
	if (cfg->esdhc_base == USDHC1_BASE_ADDR)
	{
		ret = 1;
	}

	return ret;
}

#endif /* CONFIG_SPL_BUILD */
#endif /* CONFIG_FSL_ESDHC */

#ifdef CONFIG_BOOTP_VENDOREX
u8 *dhcp_vendorex_prep(u8 *e)
{
	return NULL;
}

u8 *dhcp_vendorex_proc(u8 *e)
{
	/* Suppress NETBIOS related unhandled option warnings */
	if (*e == 46)
	{
		return e;
	}

	return NULL;
}
#endif

#ifdef CONFIG_FEC_MXC
#include <miiphy.h>
int board_phy_config(struct phy_device *phydev)
{
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);

	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);

	if (phydev->drv->config)
		phydev->drv->config(phydev);

	return 0;
}
#endif

static void set_mac_address(int index, uchar mac[6])
{
	/* Then take mac from bd */
	if (is_valid_ethaddr(mac)) {
		eth_env_set_enetaddr_by_index("eth", index, mac);
	}
	else {
		printf("Trying to set invalid MAC address");
	}
}

int board_eth_init(bd_t *bis)
{
	uint8_t mac_addr0[6] = {02,00,00,00,00,01};

	bd_get_mac(0, mac_addr0, sizeof(mac_addr0));
	set_mac_address(0, mac_addr0);

	return 0;
}

int checkboard(void)
{
	puts("Board: iMX8QXP MEK\n");

	print_bootinfo();

	/* Note:  After reloc, ipcHndl will no longer be valid.  If handle
	 *        returned by sc_ipc_open matches SC_IPC_CH, use this
	 *        macro (valid after reloc) for subsequent SCI calls.
	 */
	if (gd->arch.ipc_channel_handle != SC_IPC_CH)
		printf("\nSCI error! Invalid handle\n");

	return 0;
}

#ifdef CONFIG_FSL_HSIO

#define PCIE_PAD_CTRL	((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT))
static iomux_cfg_t board_pcie_pins[] = {
	SC_P_PCIE_CTRL0_CLKREQ_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
	SC_P_PCIE_CTRL0_WAKE_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
	SC_P_PCIE_CTRL0_PERST_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
};

static void imx8qxp_hsio_initialize(void)
{
	struct power_domain pd;
	int ret;

	if (!power_domain_lookup_name("hsio_pcie1", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("hsio_pcie1 Power up failed! (error = %d)\n", ret);
	}

	if (!power_domain_lookup_name("hsio_gpio", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			 printf("hsio_gpio Power up failed! (error = %d)\n", ret);
	}

	LPCG_AllClockOn(HSIO_PCIE_X1_LPCG);
	LPCG_AllClockOn(HSIO_PHY_X1_LPCG);
	LPCG_AllClockOn(HSIO_PHY_X1_CRR1_LPCG);
	LPCG_AllClockOn(HSIO_PCIE_X1_CRR3_LPCG);
	LPCG_AllClockOn(HSIO_MISC_LPCG);
	LPCG_AllClockOn(HSIO_GPIO_LPCG);

	imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins));
}

void pci_init_board(void)
{
	imx8qxp_hsio_initialize();

	/* test the 1 lane mode of the PCIe A controller */
	mx8qxp_pcie_init();
}

#endif

#ifdef CONFIG_USB

#ifdef CONFIG_USB_TCPC
#define USB_TYPEC_SEL IMX_GPIO_NR(5, 9)
static iomux_cfg_t ss_mux_gpio[] = {
	SC_P_ENET0_REFCLK_125M_25M | MUX_MODE_ALT(4) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};

struct tcpc_port port;
struct tcpc_port_config port_config = {
	.i2c_bus = 1,
	.addr = 0x50,
	.port_type = TYPEC_PORT_DFP,
};

void ss_mux_select(enum typec_cc_polarity pol)
{
	if (pol == TYPEC_POLARITY_CC1)
		gpio_direction_output(USB_TYPEC_SEL, 0);
	else
		gpio_direction_output(USB_TYPEC_SEL, 1);
}

static void setup_typec(void)
{
	int ret;
	struct gpio_desc typec_en_desc;

	imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
	gpio_request(USB_TYPEC_SEL, "typec_sel");

	ret = dm_gpio_lookup_name("gpio@1a_7", &typec_en_desc);
	if (ret) {
		printf("%s lookup gpio@1a_7 failed ret = %d\n", __func__, ret);
		return;
	}

	ret = dm_gpio_request(&typec_en_desc, "typec_en");
	if (ret) {
		printf("%s request typec_en failed ret = %d\n", __func__, ret);
		return;
	}

	/* Enable SS MUX */
	dm_gpio_set_dir_flags(&typec_en_desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);

	tcpc_init(&port, port_config, &ss_mux_select);
}
#endif

#ifdef CONFIG_USB_CDNS3_GADGET
static struct cdns3_device cdns3_device_data = {
	.none_core_base = 0x5B110000,
	.xhci_base = 0x5B130000,
	.dev_base = 0x5B140000,
	.phy_base = 0x5B160000,
	.otg_base = 0x5B120000,
	.dr_mode = USB_DR_MODE_PERIPHERAL,
	.index = 1,
};

int usb_gadget_handle_interrupts(int index)
{
	cdns3_uboot_handle_interrupt(index);
	return 0;
}
#endif

int board_usb_init(int index, enum usb_init_type init)
{
	int ret = 0;

	if (index == 1) {
		if (init == USB_INIT_HOST) {
#ifdef CONFIG_USB_TCPC
			ret = tcpc_setup_dfp_mode(&port);
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
		} else {
#ifdef CONFIG_SPL_BUILD
			sc_ipc_t ipcHndl = 0;

			ipcHndl = gd->arch.ipc_channel_handle;

			ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_USB_2, SC_PM_PW_MODE_ON);
			if (ret != SC_ERR_NONE)
				printf("conn_usb2 Power up failed! (error = %d)\n", ret);

			ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_USB_2_PHY, SC_PM_PW_MODE_ON);
			if (ret != SC_ERR_NONE)
				printf("conn_usb2_phy Power up failed! (error = %d)\n", ret);
#else
			struct power_domain pd;
			int ret;

			/* Power on usb */
			if (!power_domain_lookup_name("conn_usb2", &pd)) {
				ret = power_domain_on(&pd);
				if (ret)
					printf("conn_usb2 Power up failed! (error = %d)\n", ret);
			}

			if (!power_domain_lookup_name("conn_usb2_phy", &pd)) {
				ret = power_domain_on(&pd);
				if (ret)
					printf("conn_usb2_phy Power up failed! (error = %d)\n", ret);
			}
#endif

#ifdef CONFIG_USB_TCPC
			ret = tcpc_setup_ufp_mode(&port);
			printf("%d setufp mode %d\n", index, ret);
#endif

			ret = cdns3_uboot_init(&cdns3_device_data);
			printf("%d cdns3_uboot_initmode %d\n", index, ret);
#endif
		}
	}

	return ret;

}

int board_usb_cleanup(int index, enum usb_init_type init)
{
	int ret = 0;

	if (index == 1) {
		if (init == USB_INIT_HOST) {
#ifdef CONFIG_USB_TCPC
			ret = tcpc_disable_src_vbus(&port);
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
		} else {
			cdns3_uboot_exit(1);

#ifdef CONFIG_SPL_BUILD
			sc_ipc_t ipcHndl = 0;

			ipcHndl = gd->arch.ipc_channel_handle;

			ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_USB_2, SC_PM_PW_MODE_OFF);
			if (ret != SC_ERR_NONE)
				printf("conn_usb2 Power down failed! (error = %d)\n", ret);

			ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_USB_2_PHY, SC_PM_PW_MODE_OFF);
			if (ret != SC_ERR_NONE)
				printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
#else
			struct power_domain pd;
			int ret;

			/* Power off usb */
			if (!power_domain_lookup_name("conn_usb2", &pd)) {
				ret = power_domain_off(&pd);
				if (ret)
					printf("conn_usb2 Power down failed! (error = %d)\n", ret);
			}

			if (!power_domain_lookup_name("conn_usb2_phy", &pd)) {
				ret = power_domain_off(&pd);
				if (ret)
					printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
			}
#endif
#endif
		}
	}

	return ret;
}
#endif

int board_init(void)
{
	struct udevice *sja1105;
	int ret;

	ret = uclass_get_device_by_name(UCLASS_MISC, "sja1105", &sja1105);
	if (ret)
	{
		printf("Net:   No switch found.\n");
	}
	else
	{
		printf("Net:   SJA1105 switch found.\n");
	}

#if defined(CONFIG_USB) && defined(CONFIG_USB_TCPC)
	setup_typec();
#endif

	return 0;
}

void board_quiesce_devices()
{
	const char *power_on_devices[] = {
		"dma_lpuart0",

		/* HIFI DSP boot */
		"audio_sai0",
		"audio_ocram",
	};

	power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices));
}

void detail_board_ddr_info(void)
{
	puts("\nDDR    ");
}

/*
 * Board specific reset that is system reset.
 */
void reset_cpu(ulong addr)
{
	puts("SCI reboot request");
	sc_pm_reboot(SC_IPC_CH, SC_PM_RESET_TYPE_COLD);
	while (1)
		putc('.');
}

static void ft_start_event(void *blob, uint64_t reset_reason_shm_location)
{
	volatile struct reset_registers* reset_regs = (struct reset_registers*)reset_reason_shm_location;
	if (rr_is_start_reason_valid(reset_regs)) {
		int node_offset;

		node_offset = fdt_path_offset(blob, "/sysstate-start/");
		if (node_offset != -1) {

			fdt_setprop_u32(blob, node_offset, "start-reason", reset_regs->sr_events);
		}
	}
}

#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
	ft_start_event(blob, RESET_REASON_SHM_LOCATION);
	return 0;
}
#endif

static void get_variant_name(void)
{
	char hw_variant_name[64];
	bd_get_variantname(hw_variant_name, sizeof(hw_variant_name));
	printf("SYS:   %s\n", hw_variant_name);
}

static void get_hw_version(void)
{
	int hw_ver = -1;
	int hw_rev = -1;

	bd_get_hw_version(&hw_ver, &hw_rev);

	printf("MB:    V%d.%d\n", hw_ver, hw_rev);
}
int board_mmc_get_env_dev(int devno)
{
	return devno;
}

static void powerdown(void)
{
	/* Final call, will not return */
	(void)da9063_set_reg(PMIC_REG_CONTROL_A, 0x00);

	puts("ERROR: PMIC power down failed\n");
	for (;;) {}
}

static void stop_if_ignition_is_off(void)
{
	uint8_t state = 0x00;
	int ret;

	ret = da9063_get_reg(PMIC_REG_STATUS_A, &state);
	if (ret == 0) {
		if ((state & PMIC_REG_STATUS_A_COMP1V2_MASK) == PMIC_REG_STATUS_A_COMP1V2_MASK) {
			puts("Ignition    : On\n");
		}
		else {
			puts("Ignition    : Off\n");
			/*
			 * Ignition is off, if this is a power-on start, power down
			 * as this is considered an unwanted system start.
			 */

			/*
			 * There is a chance for a race condition, when ignition is enabled
			 * between the check above and here. In this case we should just reset
			 * not power down.
			 * Although the risk is minimal here due to the very short time interval
			 * we do the check. The same logic will have to be added in other
			 * components.
			 */
			ret = da9063_get_reg(PMIC_REG_EVENT_B, &state);
			if ((ret == 0) && ((state & PMIC_REG_EVENT_COMP1V2_MASK) == 0)) {
				powerdown();
			}
			else {
				reset_cpu(0);
			}
		}
	}
}

static void check_reset_reason(uint64_t reset_reason_shm_location)
{
	volatile struct reset_registers* reset_regs = (struct reset_registers*)reset_reason_shm_location;
	uint32_t start_reason = 0;
	uint32_t reset_reason = 0;
	uint8_t state = 0x00;
	uint8_t gpId1 = 0x00;
	uint8_t eventA = 0x00;
	int ret;
	char strbuf[256];

	uint32_t scu_init_cnt = da9063_get_init_count();
	printf("SCU init count = 0x%X\n", scu_init_cnt);

	/*
	 * Check/write boot marker to PMIC register GP_ID_1
	 * If this marker is not present, we have a power on reset
	 */
	ret = da9063_get_reg(PMIC_GP_ID_1, &gpId1);
	if ((ret == 0) && (gpId1 != 0xC5)) {
		(void)da9063_set_reg(PMIC_GP_ID_1, 0xC5);
		start_reason |= SR_POR;
	}
	printf("PMIC_GP_ID_1 = 0x%X (return code = %d)\n", gpId1, ret);

	/*
	 * Check Fault Log register for
	 * - Power On Reset: No Power, RTC Delivery -> requires removal of RTC battery
	 * - Watchdog
	 */
	ret = da9063_get_reg(PMIC_REG_FAULT_LOG, &state);
	printf("PMIC_REG_FAULT_LOG = 0x%X (return code = %d)\n", state, ret);
	if ((ret == 0) && (state != 0)) {
		/* clear pmic fault log by writing back all bits currently set */
		(void)da9063_set_reg(PMIC_REG_FAULT_LOG, state);

		/* PMIC Power On Reset (only when RTC battery is removed) */
		if (state & PMIC_FAULT_POR_MASK) {
			start_reason |= SR_POR;
		}

		/* PMIC Watchdog */
		if (state & PMIC_FAULT_TWD_ERROR_MASK) {
			start_reason |= SR_WATCHDOG;
		}
	}

	/*
	 * Check Wakeup Events
	 * Event Register A holds:
	 * - Event B, C Activity
	 * - nONKEY: Button
	 * - RTC Alarm
	 * - RTC Tick
	 * Event Register B
	 * - COMP 1V2: Ignition
	 */
	ret = da9063_get_reg(PMIC_REG_EVENT_A, &eventA);
	printf("EVENT_A = 0x%X (return code = %d)\n", eventA, ret);
	if ((ret == 0) && (eventA != 0)) {
		(void)da9063_set_reg(PMIC_REG_EVENT_A, eventA);

		if (eventA & PMIC_REG_EVENT_ONKEY_MASK) {
			start_reason |= (SR_WAKEUP | SR_EVT_BUTTON);
		}

		if (eventA & PMIC_REG_EVENT_RTC_ALARM_MASK) {
			start_reason |= (SR_WAKEUP | SR_EVT_RTC_ALARM);
		}

		if (eventA & PMIC_REG_EVENT_RTC_TICK_MASK) {
			start_reason |= (SR_WAKEUP | SR_EVT_RTC_TICK);
		}

		if (eventA & PMIC_REG_EVENT_EVENTS_B_MASK) {
			uint8_t state_b;

			ret = da9063_get_reg(PMIC_REG_EVENT_B, &state_b);
			if ((ret == 0) && (state_b != 0)) {
				(void)da9063_set_reg(PMIC_REG_EVENT_B, state_b);

				if (state_b & PMIC_REG_EVENT_COMP1V2_MASK) {
					start_reason |= (SR_WAKEUP | SR_EVT_IGNITION);
				}
			}
		}
	}

	/*
	 * Check for software reboot indicated by OS via shared memory
	 * - checksum valid?
	 * - Reason == 'REBO' or 'OOPS'
	 */
	if (rr_is_reset_reason_valid(reset_regs))
	{
		if (reset_regs->rr_value == RR_REBOOT_PATTERN) {
			start_reason |= SR_REBOOT;
		}
		else if (reset_regs->rr_value == RR_OOPS_PATTERN) {
			/* Treat kernel oops as reboot */
			start_reason |= SR_REBOOT;
		}
		else if (reset_regs->rr_value == RR_WAKE_PATTERN) {
			start_reason |= SR_WAKEUP;
		}
		else {
		    /* Unknown reset reason */
		}
	}

	/*
	 * Priority decoder for start and reset reason
	 */
	if (start_reason & SR_WATCHDOG) {
		/* Watchdog has highest priority as it also sets POR and other events */
		start_reason = SR_WATCHDOG;
		reset_reason = RR_EXTERNAL_WATCHDOG_PATTERN;
	}
	else if (start_reason & SR_POR) {
		start_reason = SR_POR;
		reset_reason = RR_POWEROFF_PATTERN;
	}
	else if (start_reason & SR_WAKEUP) {
		/* Include start events when wakeup is detected */
		start_reason = SR_WAKEUP | (start_reason & SR_EVT_WAKE_MASK);
		reset_reason = RR_WAKE_PATTERN;
	}
	else if (start_reason & SR_REBOOT) {
		start_reason = SR_REBOOT;
		reset_reason = reset_regs->rr_value;
	}
	else {
		/* Unknown start reason, assume reboot */
		start_reason = SR_REBOOT;
		reset_reason = reset_regs->rr_value;
	}

	sys_start_event = start_reason;

	rr_set_reset_reason(reset_regs, reset_reason);
	rr_set_start_reason(reset_regs, start_reason);

	rr_start_reason_to_str(reset_regs->sr_events, strbuf, sizeof(strbuf));
	printf("\nStart Events: %s\n", strbuf);

	if (sys_start_event & SR_POR) {
		stop_if_ignition_is_off();
	}
}

static int _bd_init(void)
{
	if (bd_get_context(&bdctx[0], BD_EEPROM_ADDR, BD_ADDRESS) != 0) {
		printf("%s() no valid bd found\n", __func__);
		return -1;
	}

	if (bd_get_context(&bdctx[1], BD_EEPROM_ADDR, PD_ADDRESS) != 0) {
		printf("%s() no valid pd found\n", __func__);
		return -1;
	}

	bd_register_context_list(bdctx, ARRAY_SIZE(bdctx));
	return 0;
}

static inline int read_eeprom(void)
{
	return _bd_init();
}

int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	env_set("board_name", "NMHW23");
	env_set("board_rev", "iMX8DX");
#endif

	env_set("sec_boot", "no");
#ifdef CONFIG_AHAB_BOOT
	env_set("sec_boot", "yes");
#endif

#ifdef CONFIG_ENV_IS_IN_MMC
	board_late_mmc_env_init();
#endif

	if (read_eeprom() < 0) {
		puts("Could no get board ID.\n");
	}

	get_variant_name();
	get_hw_version();

	board_eth_init(NULL);
	da9063_init();
	check_reset_reason(RESET_REASON_SHM_LOCATION);

	return 0;
}