1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright 2016 Freescale Semiconductor, Inc.
4 * Copyright 2018-2022 NXP
5 */
6
7#include <common.h>
8#include <command.h>
9#include <asm/arch/sys_proto.h>
10#include <linux/errno.h>
11#include <asm/io.h>
12#include <stdbool.h>
13#include <mmc.h>
14#include <env.h>
15
16static int check_mmc_autodetect(void)
17{
18	char *autodetect_str = env_get("mmcautodetect");
19
20	if (autodetect_str && !strcmp(autodetect_str, "yes"))
21		return 1;
22
23	return 0;
24}
25
26/* This should be defined for each board */
27__weak int mmc_map_to_kernel_blk(int dev_no)
28{
29	return dev_no;
30}
31
32void board_late_mmc_env_init(void)
33{
34	char cmd[32];
35	char mmcblk[32];
36	u32 dev_no = mmc_get_env_dev();
37
38	if (!check_mmc_autodetect())
39		return;
40
41	env_set_ulong("mmcdev", dev_no);
42
43	/* Set mmcblk env */
44	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", mmc_map_to_kernel_blk(dev_no));
45	env_set("mmcroot", mmcblk);
46
47	sprintf(cmd, "mmc dev %d", dev_no);
48	run_command(cmd, 0);
49}
50