u-boot/board/mediatek/mt7623/mt7623_rfb.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018 MediaTek Inc.
*/
#include <common.h>
#include <mmc.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
#ifdef CONFIG_MMC
int mmc_get_boot_dev(void)
{
int g_mmc_devid = -1;
char *uflag = (char *)0x81DFFFF0;
if (!find_mmc_device(1))
return 0;
if (strncmp(uflag,"eMMC",4)==0) {
g_mmc_devid = 0;
printf("Boot From Emmc(id:%d)\n\n", g_mmc_devid);
} else {
g_mmc_devid = 1;
printf("Boot From SD(id:%d)\n\n", g_mmc_devid);
}
return g_mmc_devid;
}
int mmc_get_env_dev(void)
{
return mmc_get_boot_dev();
}
#endif