LXR uboot/arch/arm/mach-imx/mmc

   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
  17int 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