board/phytec/phycore_imx8mm/phycore-imx8mm.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2019-2020 PHYTEC Messtechnik GmbH
 * Author: Teresa Remmet <t.remmet@phytec.de>
 */

#include <common.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/mach-imx/boot_mode.h>
#include <env.h>
#include <miiphy.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 125M 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_mmc_get_env_dev(int devno)
{
	return devno;
}

int board_late_init(void)
{
	switch (get_boot_device()) {
	case SD2_BOOT:
		env_set_ulong("mmcdev", 1);
		break;
	case MMC3_BOOT:
		env_set_ulong("mmcdev", 2);
		break;
	default:
		break;
	}

	return 0;
}