/*
* boot_mode.c
*
* Boot media related.
*
* Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
#include
#include
#include
int get_boot_media(void)
{
unsigned int reg_val, boot_mode, spi_device_mode;
int boot_media;
reg_val = readl(SYS_CTRL_REG_BASE + REG_SYSSTAT);
boot_mode = get_sys_boot_mode(reg_val);
switch (boot_mode) {
case BOOT_FROM_SPI:
spi_device_mode = get_spi_device_type(reg_val);
if (spi_device_mode)
boot_media = BOOT_MEDIA_NAND;
else
boot_media = BOOT_MEDIA_SPIFLASH;
break;
case BOOT_FROM_EMMC:
boot_media = BOOT_MEDIA_EMMC;
break;
default:
boot_media = BOOT_MEDIA_UNKNOWN;
break;
}
return boot_media;
}