u-boot/arch/arm/include/asm/arch-meson/boot.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
#ifndef __MESON_BOOT_H__
#define __MESON_BOOT_H__
#include <linux/types.h>
/* Boot device */
#define BOOT_DEVICE_RESERVED 0
#define BOOT_DEVICE_EMMC 1
#define BOOT_DEVICE_NAND 2
#define BOOT_DEVICE_SPI 3
#define BOOT_DEVICE_SD 4
#define BOOT_DEVICE_USB 5
int meson_get_boot_device(void);
int meson_get_soc_rev(char *buff, size_t buff_len);
#endif /* __MESON_BOOT_H__ */