board/freescale/imx8mq_evk/imx8mq_evk.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2018 NXP
 */

#include <asm/arch/clock.h>
#include <asm/arch/imx8mq_pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/iomux-v3.h>
#include <efi_loader.h>
#include <env.h>

#define UART_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_FSEL1)

#define WDOG_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)

static iomux_v3_cfg_t const wdog_pads[] = {
	IMX8MQ_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};

static iomux_v3_cfg_t const uart_pads[] = {
	IMX8MQ_PAD_UART1_RXD__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
	IMX8MQ_PAD_UART1_TXD__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

#if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
#define IMX_BOOT_IMAGE_GUID \
	EFI_GUID(0x296119cf, 0xdd70, 0x43de, 0x8a, 0xc8, \
		 0xa7, 0x05, 0x1f, 0x31, 0x25, 0x77)

struct efi_fw_image fw_images[] = {
	{
		.image_type_id = IMX_BOOT_IMAGE_GUID,
		.fw_name = u"IMX8MQ-EVK-RAW",
		.image_index = 1,
	},
};

struct efi_capsule_update_info update_info = {
	.dfu_string = "mmc 0=flash-bin raw 0x42 0x2000 mmcpart 1",
	.num_images = ARRAY_SIZE(fw_images),
	.images = fw_images,
};
#endif /* EFI_HAVE_CAPSULE_SUPPORT */

int board_early_init_f(void)
{
	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;

	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
	set_wdog_reset(wdog);

	imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));

	return 0;
}

int board_init(void)
{
#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_DWC3)
	init_usb_clk();
#endif

	return 0;
}

int board_mmc_get_env_dev(int devno)
{
	return devno;
}

int board_late_init(void)
{
#if CONFIG_IS_ENABLED(ENV_IS_IN_MMC)
	board_late_mmc_env_init();
#endif

#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	env_set("board_name", "EVK");
	env_set("board_rev", "iMX8MQ");
#endif

	return 0;
}