u-boot/board/cloos/imx8mm_phg/imx8mm_phg.c

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

#include <common.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;

static int setup_fec(void)
{
	struct iomuxc_gpr_base_regs *gpr =
		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;

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

	return 0;
}

int board_init(void)
{
	setup_fec();

	return 0;
}

int board_late_init(void)
{
	if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
		env_set("board_name", "PHG");
		env_set("board_rev", "iMX8MM");
	}

	if (is_usb_boot()) {
		env_set("bootcmd", "ums 0 mmc 0");
		env_set("bootdelay", "0");
	}

	return 0;
}