1 /* 2 * Copyright (C) 2017 NXP 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/arch/imx-regs.h> 9 #include <asm/arch/sys_proto.h> 10 #include <asm/io.h> 11 #include <asm/mach-imx/boot_mode.h> 12 13 __weak int board_mmc_get_env_dev(int devno) 14 { 15 return CONFIG_SYS_MMC_ENV_DEV; 16 } 17 18 int mmc_get_env_dev(void) 19 { 20 struct bootrom_sw_info **p = 21 (struct bootrom_sw_info **)(ulong)ROM_SW_INFO_ADDR; 22 int devno = (*p)->boot_dev_instance; 23 u8 boot_type = (*p)->boot_dev_type; 24 25 /* If not boot from sd/mmc, use default value */ 26 if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC)) 27 return CONFIG_SYS_MMC_ENV_DEV; 28 29 return board_mmc_get_env_dev(devno); 30 } 31