| /* |
| * (C) Copyright 2016 Rockchip Electronics Co., Ltd |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/boot_mode.h> |
| |
| int setup_boot_mode(void) |
| { |
| void *reg = (void *)CONFIG_ROCKCHIP_BOOT_MODE_REG; |
| int boot_mode = readl(reg); |
| |
| debug("boot mode %x.\n", boot_mode); |
| |
| /* Clear boot mode */ |
| writel(BOOT_NORMAL, reg); |
| |
| switch (boot_mode) { |
| case BOOT_FASTBOOT: |
| printf("enter fastboot!\n"); |
| env_set("preboot", "setenv preboot; fastboot usb0"); |
| break; |
| case BOOT_UMS: |
| printf("enter UMS!\n"); |
| env_set("preboot", "setenv preboot; ums mmc 0"); |
| break; |
| } |
| |
| return 0; |
| } |