board/freescale/imx8qm_mek/imx8qm_mek.c - uboot-imx - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2017-2018 NXP
  */
 #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 <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/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 "../common/tcpc.h"
 #include <cdns3-uboot.h>
 #include <asm/arch/lpcg.h>
 #include <bootm.h>

 DECLARE_GLOBAL_DATA_PTR;

 #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 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 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)
 {
 	int ret;

 	/* When start u-boot in XEN VM, directly return */
 	if (IS_ENABLED(CONFIG_XEN)) {
 		writel(0xF53535F5, (void __iomem *)0x80000000);
 		return 0;
 	}

 	/* Set UART0 clock root to 80 MHz */
 	sc_pm_clock_rate_t rate = 80000000;

 	/* Power up UART0 */
 	ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
 	if (ret)
 		return ret;

 	ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
 	if (ret)
 		return ret;

 	/* Enable UART0 clock root */
 	ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
 	if (ret)
 		return ret;

 	lpcg_all_clock_on(LPUART_0_LPCG);

 	setup_iomux_uart();

 	return 0;
 }

 #if IS_ENABLED(CONFIG_FEC_MXC)
 #include <miiphy.h>

 #ifndef CONFIG_DM_ETH
 static iomux_cfg_t pad_enet1[] = {
 	SC_P_ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET1_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET1_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET1_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET1_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

 	/* Shared MDIO */
 	SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 };

 static iomux_cfg_t pad_enet0[] = {
 	SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
 	SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

 	/* Shared MDIO */
 	SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 	SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
 };

 static void setup_iomux_fec(void)
 {
 	if (0 == CONFIG_FEC_ENET_DEV)
 		imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
 	else
 		imx8_iomux_setup_multiple_pads(pad_enet1, ARRAY_SIZE(pad_enet1));
 }

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

 	printf("[%s] %d\n", __func__, __LINE__);

 	if (CONFIG_FEC_ENET_DEV) {
 		if (!power_domain_lookup_name("conn_enet1", &pd))
 			power_domain_on(&pd);
 	} else {
 		if (!power_domain_lookup_name("conn_enet0", &pd))
 			power_domain_on(&pd);
 	}

 	setup_iomux_fec();

 	ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
 		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
 	if (ret)
 		printf("FEC1 MXC: %s:failed\n", __func__);

 	return ret;
 }
 #endif

 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

 #define LVDS_ENABLE IMX_GPIO_NR(1, 6)
 #define MIPI_ENABLE IMX_GPIO_NR(1, 7)

 #define BB_GPIO_3V3_1 IMX_GPIO_NR(4, 20)
 #define BB_GPIO_3V3_2 IMX_GPIO_NR(4, 24)
 #define BB_GPIO_3V3_3 IMX_GPIO_NR(4, 23)

 static void board_gpio_init(void)
 {
 	/* Enable BB 3V3 */
 	gpio_request(BB_GPIO_3V3_1, "bb_3v3_1");
 	gpio_direction_output(BB_GPIO_3V3_1, 1);
 	gpio_request(BB_GPIO_3V3_2, "bb_3v3_2");
 	gpio_direction_output(BB_GPIO_3V3_2, 1);
 	gpio_request(BB_GPIO_3V3_3, "bb_3v3_3");
 	gpio_direction_output(BB_GPIO_3V3_3, 1);

 	/* enable LVDS SAS boards */
 	gpio_request(LVDS_ENABLE, "lvds_enable");
 	gpio_direction_output(LVDS_ENABLE, 1);

 	/* enable MIPI SAS boards */
 	gpio_request(MIPI_ENABLE, "mipi_enable");
 	gpio_direction_output(MIPI_ENABLE, 1);
 }

 int checkboard(void)
 {
 	puts("Board: iMX8QM MEK\n");

 	print_bootinfo();

 	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 imx8qm_hsio_initialize(void)
 {
 	struct power_domain pd;
 	int ret;

 	if (!power_domain_lookup_name("hsio_sata0", &pd)) {
 		ret = power_domain_on(&pd);
 		if (ret)
 			printf("hsio_sata0 Power up failed! (error = %d)\n", ret);
 	}

 	if (!power_domain_lookup_name("hsio_pcie0", &pd)) {
 		ret = power_domain_on(&pd);
 		if (ret)
 			printf("hsio_pcie0 Power up failed! (error = %d)\n", 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_all_clock_on(HSIO_PCIE_X2_LPCG);
 	lpcg_all_clock_on(HSIO_PCIE_X1_LPCG);
 	lpcg_all_clock_on(HSIO_SATA_LPCG);
 	lpcg_all_clock_on(HSIO_PHY_X2_LPCG);
 	lpcg_all_clock_on(HSIO_PHY_X1_LPCG);
 	lpcg_all_clock_on(HSIO_PHY_X2_CRR0_LPCG);
 	lpcg_all_clock_on(HSIO_PHY_X1_CRR1_LPCG);
 	lpcg_all_clock_on(HSIO_PCIE_X2_CRR2_LPCG);
 	lpcg_all_clock_on(HSIO_PCIE_X1_CRR3_LPCG);
 	lpcg_all_clock_on(HSIO_SATA_CRR4_LPCG);
 	lpcg_all_clock_on(HSIO_MISC_LPCG);
 	lpcg_all_clock_on(HSIO_GPIO_LPCG);

 	imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins));
 }

 void pci_init_board(void)
 {
 	/* test the 1 lane mode of the PCIe A controller */
 	mx8qm_pcie_init();
 }
 #endif

 #ifdef CONFIG_USB

 #ifdef CONFIG_USB_TCPC
 #define USB_TYPEC_SEL IMX_GPIO_NR(4, 6)
 #define USB_TYPEC_EN IMX_GPIO_NR(4, 19)

 static iomux_cfg_t ss_mux_gpio[] = {
 	SC_P_USB_SS3_TC3 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
 	SC_P_QSPI1A_SS0_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
 };

 struct tcpc_port port;
 struct tcpc_port_config port_config = {
 	.i2c_bus = 0,
 	.addr = 0x51,
 	.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)
 {
 	imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
 	gpio_request(USB_TYPEC_SEL, "typec_sel");
 	gpio_request(USB_TYPEC_EN, "typec_en");

 	gpio_direction_output(USB_TYPEC_EN, 1);

 	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
 			ret = sc_pm_set_resource_power_mode(-1, 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(-1, 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;

 			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);
 			}

 			/* 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);
 			}
 #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
 			ret = sc_pm_set_resource_power_mode(-1, 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(-1, 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_phy", &pd)) {
 				ret = power_domain_off(&pd);
 				if (ret)
 					printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
 			}

 			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);
 			}
 #endif
 #endif
 		}
 	}

 	return ret;
 }
 #endif

 int board_init(void)
 {
 	board_gpio_init();

 #ifdef CONFIG_FSL_HSIO
 	imx8qm_hsio_initialize();
 #ifdef CONFIG_SCSI_AHCI_PLAT
 	sata_init();
 #endif
 #endif

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

 	return 0;
 }

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

 	if (IS_ENABLED(CONFIG_XEN)) {
 		/* Clear magic number to let xen know uboot is over */
 		writel(0x0, (void __iomem *)0x80000000);
 		return;
 	}

 	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)
 {
 	/* TODO */
 }

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

 int board_late_init(void)
 {
 	char *fdt_file;
 	bool m4_boot;

 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 	env_set("board_name", "MEK");
 	env_set("board_rev", "iMX8QM");
 #endif

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

 	fdt_file = env_get("fdt_file");
 	m4_boot = check_m4_parts_boot();

 	if (fdt_file && !strcmp(fdt_file, "undefined")) {
 		if (m4_boot)
 			env_set("fdt_file", "fsl-imx8qm-mek-rpmsg.dtb");
 		else
 			env_set("fdt_file", "fsl-imx8qm-mek.dtb");
 	}

 #ifdef CONFIG_ENV_IS_IN_MMC
 	board_late_mmc_env_init();
 #endif
 	return 0;
 }

 #if defined(CONFIG_VIDEO_IMXDPUV1)
 static void enable_lvds(struct display_info_t const *dev)
 {
 	display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000));
 	lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000));
 	lvds_configure(dev->bus);
 	lvds2hdmi_setup(6);
 }

 struct display_info_t const displays[] = {{
 	.bus	= 0, /* LVDS0 */
 	.addr	= 0, /* Unused */
 	.pixfmt	= IMXDPUV1_PIX_FMT_BGRA32,
 	.detect	= NULL,
 	.enable	= enable_lvds,
 	.mode	= {
 		.name           = "IT6263", /* 720P60 */
 		.refresh        = 60,
 		.xres           = 1280,
 		.yres           = 720,
 		.pixclock       = 13468, /* 74250000 */
 		.left_margin    = 110,
 		.right_margin   = 220,
 		.upper_margin   = 5,
 		.lower_margin   = 20,
 		.hsync_len      = 40,
 		.vsync_len      = 5,
 		.sync           = FB_SYNC_EXT,
 		.vmode          = FB_VMODE_NONINTERLACED
 } } };
 size_t display_count = ARRAY_SIZE(displays);

 #endif /* CONFIG_VIDEO_IMXDPUV1 */
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2017-2018 NXP
	*/
	#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 <asm/io.h>
	#include <asm/gpio.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/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 "../common/tcpc.h"
	#include <cdns3-uboot.h>
	#include <asm/arch/lpcg.h>
	#include <bootm.h>

	DECLARE_GLOBAL_DATA_PTR;

	#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 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 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)
	{
	int ret;

	/* When start u-boot in XEN VM, directly return */
	if (IS_ENABLED(CONFIG_XEN)) {
	writel(0xF53535F5, (void __iomem *)0x80000000);
	return 0;
	}

	/* Set UART0 clock root to 80 MHz */
	sc_pm_clock_rate_t rate = 80000000;

	/* Power up UART0 */
	ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
	if (ret)
	return ret;

	ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
	if (ret)
	return ret;

	/* Enable UART0 clock root */
	ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
	if (ret)
	return ret;

	lpcg_all_clock_on(LPUART_0_LPCG);

	setup_iomux_uart();

	return 0;
	}

	#if IS_ENABLED(CONFIG_FEC_MXC)
	#include <miiphy.h>

	#ifndef CONFIG_DM_ETH
	static iomux_cfg_t pad_enet1[] = {
	SC_P_ENET1_RGMII_RX_CTL \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD0 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD1 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD2 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD3 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXC \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_TX_CTL \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD0 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD1 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD2 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD3 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXC \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

	/* Shared MDIO */
	SC_P_ENET0_MDC \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_MDIO \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	};

	static iomux_cfg_t pad_enet0[] = {
	SC_P_ENET0_RGMII_RX_CTL \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD0 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD1 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD2 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD3 \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXC \| MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_TX_CTL \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD0 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD1 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD2 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD3 \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXC \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

	/* Shared MDIO */
	SC_P_ENET0_MDC \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_MDIO \| MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	};

	static void setup_iomux_fec(void)
	{
	if (0 == CONFIG_FEC_ENET_DEV)
	imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
	else
	imx8_iomux_setup_multiple_pads(pad_enet1, ARRAY_SIZE(pad_enet1));
	}

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

	printf("[%s] %d\n", __func__, __LINE__);

	if (CONFIG_FEC_ENET_DEV) {
	if (!power_domain_lookup_name("conn_enet1", &pd))
	power_domain_on(&pd);
	} else {
	if (!power_domain_lookup_name("conn_enet0", &pd))
	power_domain_on(&pd);
	}

	setup_iomux_fec();

	ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
	CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
	if (ret)
	printf("FEC1 MXC: %s:failed\n", __func__);

	return ret;
	}
	#endif

	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

	#define LVDS_ENABLE IMX_GPIO_NR(1, 6)
	#define MIPI_ENABLE IMX_GPIO_NR(1, 7)

	#define BB_GPIO_3V3_1 IMX_GPIO_NR(4, 20)
	#define BB_GPIO_3V3_2 IMX_GPIO_NR(4, 24)
	#define BB_GPIO_3V3_3 IMX_GPIO_NR(4, 23)

	static void board_gpio_init(void)
	{
	/* Enable BB 3V3 */
	gpio_request(BB_GPIO_3V3_1, "bb_3v3_1");
	gpio_direction_output(BB_GPIO_3V3_1, 1);
	gpio_request(BB_GPIO_3V3_2, "bb_3v3_2");
	gpio_direction_output(BB_GPIO_3V3_2, 1);
	gpio_request(BB_GPIO_3V3_3, "bb_3v3_3");
	gpio_direction_output(BB_GPIO_3V3_3, 1);

	/* enable LVDS SAS boards */
	gpio_request(LVDS_ENABLE, "lvds_enable");
	gpio_direction_output(LVDS_ENABLE, 1);

	/* enable MIPI SAS boards */
	gpio_request(MIPI_ENABLE, "mipi_enable");
	gpio_direction_output(MIPI_ENABLE, 1);
	}

	int checkboard(void)
	{
	puts("Board: iMX8QM MEK\n");

	print_bootinfo();

	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 imx8qm_hsio_initialize(void)
	{
	struct power_domain pd;
	int ret;

	if (!power_domain_lookup_name("hsio_sata0", &pd)) {
	ret = power_domain_on(&pd);
	if (ret)
	printf("hsio_sata0 Power up failed! (error = %d)\n", ret);
	}

	if (!power_domain_lookup_name("hsio_pcie0", &pd)) {
	ret = power_domain_on(&pd);
	if (ret)
	printf("hsio_pcie0 Power up failed! (error = %d)\n", 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_all_clock_on(HSIO_PCIE_X2_LPCG);
	lpcg_all_clock_on(HSIO_PCIE_X1_LPCG);
	lpcg_all_clock_on(HSIO_SATA_LPCG);
	lpcg_all_clock_on(HSIO_PHY_X2_LPCG);
	lpcg_all_clock_on(HSIO_PHY_X1_LPCG);
	lpcg_all_clock_on(HSIO_PHY_X2_CRR0_LPCG);
	lpcg_all_clock_on(HSIO_PHY_X1_CRR1_LPCG);
	lpcg_all_clock_on(HSIO_PCIE_X2_CRR2_LPCG);
	lpcg_all_clock_on(HSIO_PCIE_X1_CRR3_LPCG);
	lpcg_all_clock_on(HSIO_SATA_CRR4_LPCG);
	lpcg_all_clock_on(HSIO_MISC_LPCG);
	lpcg_all_clock_on(HSIO_GPIO_LPCG);

	imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins));
	}

	void pci_init_board(void)
	{
	/* test the 1 lane mode of the PCIe A controller */
	mx8qm_pcie_init();
	}
	#endif

	#ifdef CONFIG_USB

	#ifdef CONFIG_USB_TCPC
	#define USB_TYPEC_SEL IMX_GPIO_NR(4, 6)
	#define USB_TYPEC_EN IMX_GPIO_NR(4, 19)

	static iomux_cfg_t ss_mux_gpio[] = {
	SC_P_USB_SS3_TC3 \| MUX_MODE_ALT(3) \| MUX_PAD_CTRL(GPIO_PAD_CTRL),
	SC_P_QSPI1A_SS0_B \| MUX_MODE_ALT(3) \| MUX_PAD_CTRL(GPIO_PAD_CTRL),
	};

	struct tcpc_port port;
	struct tcpc_port_config port_config = {
	.i2c_bus = 0,
	.addr = 0x51,
	.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)
	{
	imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
	gpio_request(USB_TYPEC_SEL, "typec_sel");
	gpio_request(USB_TYPEC_EN, "typec_en");

	gpio_direction_output(USB_TYPEC_EN, 1);

	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
	ret = sc_pm_set_resource_power_mode(-1, 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(-1, 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;

	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);
	}

	/* 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);
	}
	#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
	ret = sc_pm_set_resource_power_mode(-1, 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(-1, 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_phy", &pd)) {
	ret = power_domain_off(&pd);
	if (ret)
	printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
	}

	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);
	}
	#endif
	#endif
	}
	}

	return ret;
	}
	#endif

	int board_init(void)
	{
	board_gpio_init();

	#ifdef CONFIG_FSL_HSIO
	imx8qm_hsio_initialize();
	#ifdef CONFIG_SCSI_AHCI_PLAT
	sata_init();
	#endif
	#endif

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

	return 0;
	}

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

	if (IS_ENABLED(CONFIG_XEN)) {
	/* Clear magic number to let xen know uboot is over */
	writel(0x0, (void __iomem *)0x80000000);
	return;
	}

	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)
	{
	/* TODO */
	}

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

	int board_late_init(void)
	{
	char *fdt_file;
	bool m4_boot;

	#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	env_set("board_name", "MEK");
	env_set("board_rev", "iMX8QM");
	#endif

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

	fdt_file = env_get("fdt_file");
	m4_boot = check_m4_parts_boot();

	if (fdt_file && !strcmp(fdt_file, "undefined")) {
	if (m4_boot)
	env_set("fdt_file", "fsl-imx8qm-mek-rpmsg.dtb");
	else
	env_set("fdt_file", "fsl-imx8qm-mek.dtb");
	}

	#ifdef CONFIG_ENV_IS_IN_MMC
	board_late_mmc_env_init();
	#endif
	return 0;
	}

	#if defined(CONFIG_VIDEO_IMXDPUV1)
	static void enable_lvds(struct display_info_t const *dev)
	{
	display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000));
	lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000));
	lvds_configure(dev->bus);
	lvds2hdmi_setup(6);
	}

	struct display_info_t const displays[] = {{
	.bus = 0, /* LVDS0 */
	.addr = 0, /* Unused */
	.pixfmt = IMXDPUV1_PIX_FMT_BGRA32,
	.detect = NULL,
	.enable = enable_lvds,
	.mode = {
	.name = "IT6263", /* 720P60 */
	.refresh = 60,
	.xres = 1280,
	.yres = 720,
	.pixclock = 13468, /* 74250000 */
	.left_margin = 110,
	.right_margin = 220,
	.upper_margin = 5,
	.lower_margin = 20,
	.hsync_len = 40,
	.vsync_len = 5,
	.sync = FB_SYNC_EXT,
	.vmode = FB_VMODE_NONINTERLACED
	} } };
	size_t display_count = ARRAY_SIZE(displays);

	#endif /* CONFIG_VIDEO_IMXDPUV1 */