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