Open Menu / board / phytec / phycore_imx8mp / phycore-imx8mp.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2020 PHYTEC Messtechnik GmbH
 * Author: Teresa Remmet <t.remmet@phytec.de>
 */

#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 <init.h>
#include <fdt_support.h>
#include <jffs2/load_kernel.h>
#include <miiphy.h>
#include <mtd_node.h>

#include "../common/imx8m_som_detection.h"

DECLARE_GLOBAL_DATA_PTR;

#define EEPROM_ADDR		0x51
#define EEPROM_ADDR_FALLBACK	0x59

int ft_board_setup(void *blob, struct bd_info *bd)
{
	u8 spi = phytec_get_imx8m_spi(NULL);
	/* Do nothing if no SPI is populated */
	if (!spi)
		return 0;

	static const struct node_info nodes[] = {
		{ "jedec,spi-nor", MTD_DEV_TYPE_NOR, },
	};

	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));

	return 0;
}

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)
{
	int ret = phytec_eeprom_data_setup_fallback(NULL, 0,
			EEPROM_ADDR, EEPROM_ADDR_FALLBACK);
	if (ret)
		printf("%s: EEPROM data init failed\n", __func__);

	setup_fec();

	return 0;
}

int board_mmc_get_env_dev(int devno)
{
	return devno;
}

int board_late_init(void)
{
	u8 spi = phytec_get_imx8m_spi(NULL);

	if (spi != 0 && spi != PHYTEC_EEPROM_INVAL)
		env_set("spiprobe", "sf probe");

	switch (get_boot_device()) {
	case SD2_BOOT:
		env_set_ulong("mmcdev", 1);
		break;
	case MMC3_BOOT:
		env_set_ulong("mmcdev", 2);
		break;
	case USB_BOOT:
		printf("Detect USB boot. Will enter fastboot mode!\n");
		env_set_ulong("dofastboot", 1);
		break;
	default:
		break;
	}

	return 0;
}

int board_phys_sdram_size(phys_size_t *size)
{
	if (!size)
		return -EINVAL;

	*size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE + PHYS_SDRAM_2_SIZE);

	return 0;
}