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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2023 PHYTEC Messtechnik GmbH
* Author: Christoph Stoidner <c.stoidner@phytec.de>
* Copyright (C) 2024 Mathieu Othacehe <m.othacehe@gmail.com>
* Copyright (C) 2024 PHYTEC Messtechnik GmbH
*/
#include <asm/arch-imx9/ccm_regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-imx9/imx93_pins.h>
#include <asm/arch/clock.h>
#include <asm/global_data.h>
#include <asm/mach-imx/boot_mode.h>
#include <env.h>
#include <fdt_support.h>
#include "../common/imx93_som_detection.h"
DECLARE_GLOBAL_DATA_PTR;
#define EEPROM_ADDR 0x50
int board_init(void)
{
int ret = phytec_eeprom_data_setup(NULL, 2, EEPROM_ADDR);
if (ret)
printf("%s: EEPROM data init failed\n", __func__);
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 MMC1_BOOT:
env_set_ulong("mmcdev", 0);
break;
default:
break;
}
return 0;
}
static void emmc_fixup(void *blob, struct phytec_eeprom_data *data)
{
enum phytec_imx93_voltage voltage = phytec_imx93_get_voltage(data);
int offset;
if (voltage == PHYTEC_IMX93_VOLTAGE_INVALID)
goto err;
if (voltage == PHYTEC_IMX93_VOLTAGE_1V8) {
offset = fdt_node_offset_by_compat_reg(blob, "fsl,imx93-usdhc",
0x42850000);
if (offset)
fdt_delprop(blob, offset, "no-1-8-v");
else
goto err;
}
return;
err:
printf("Could not detect eMMC VDD-IO. Fall back to default.\n");
}
int board_fix_fdt(void *blob)
{
struct phytec_eeprom_data data;
phytec_eeprom_data_setup(&data, 2, EEPROM_ADDR);
emmc_fixup(blob, &data);
return 0;
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
emmc_fixup(blob, NULL);
return 0;
}
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