diff options
Diffstat (limited to 'arch/arm/mach-rockchip/boot_mode.c')
-rw-r--r-- | arch/arm/mach-rockchip/boot_mode.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/boot_mode.c b/arch/arm/mach-rockchip/boot_mode.c new file mode 100644 index 0000000000..46524900de --- /dev/null +++ b/arch/arm/mach-rockchip/boot_mode.c @@ -0,0 +1,33 @@ +/* + * (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; +} |