board/freescale/imx8mm_evk/imx8mm_evk.c

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

#include <config.h>
#include <efi_loader.h>
#include <env.h>
#include <init.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/global_data.h>

#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>

DECLARE_GLOBAL_DATA_PTR;

#if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
#define IMX_BOOT_IMAGE_GUID \
	EFI_GUID(0xead2005e, 0x7780, 0x400b, 0x93, 0x48, \
		 0xa2, 0x82, 0xeb, 0x85, 0x8b, 0x6b)

struct efi_fw_image fw_images[] = {
	{
		.image_type_id = IMX_BOOT_IMAGE_GUID,
		.fw_name = u"IMX8MM-EVK-RAW",
		.image_index = 1,
	},
};

struct efi_capsule_update_info update_info = {
	.dfu_string = "mmc 2=flash-bin raw 0x42 0x2000 mmcpart 1",
	.num_images = ARRAY_SIZE(fw_images),
	.images = fw_images,
};
#endif /* EFI_HAVE_CAPSULE_SUPPORT */

#if IS_ENABLED(CONFIG_FEC_MXC)
static int setup_fec(void)
{
	struct iomuxc_gpr_base_regs *gpr =
		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;

	/* Use 125M anatop REF_CLK1 for ENET1, not from external */
	clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);

	return 0;
}

int board_phy_config(struct phy_device *phydev)
{
	/* enable rgmii rxc skew and phy mode select to RGMII copper */
	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

int board_init(void)
{
	if (IS_ENABLED(CONFIG_FEC_MXC))
		setup_fec();

	return 0;
}

int board_mmc_get_env_dev(int devno)
{
	return devno;
}

int board_late_init(void)
{
	if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC))
		board_late_mmc_env_init();

	if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
		env_set("board_name", "EVK");
		env_set("board_rev", "iMX8MM");
	}

	return 0;
}