xref: /openbmc/u-boot/arch/arm/include/asm/spl.h (revision 14cec061)
1 /*
2  * (C) Copyright 2012
3  * Texas Instruments, <www.ti.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #ifndef	_ASM_SPL_H_
8 #define	_ASM_SPL_H_
9 
10 #if defined(CONFIG_OMAP) \
11 	|| defined(CONFIG_EXYNOS4) || defined(CONFIG_EXYNOS5) \
12 	|| defined(CONFIG_EXYNOS4210)
13 /* Platform-specific defines */
14 #include <asm/arch/spl.h>
15 
16 #else
17 enum {
18 	BOOT_DEVICE_RAM,
19 	BOOT_DEVICE_MMC1,
20 	BOOT_DEVICE_MMC2,
21 	BOOT_DEVICE_MMC2_2,
22 	BOOT_DEVICE_NAND,
23 	BOOT_DEVICE_ONENAND,
24 	BOOT_DEVICE_NOR,
25 	BOOT_DEVICE_UART,
26 	BOOT_DEVICE_SPI,
27 	BOOT_DEVICE_USB,
28 	BOOT_DEVICE_SATA,
29 	BOOT_DEVICE_I2C,
30 	BOOT_DEVICE_BOARD,
31 	BOOT_DEVICE_NONE
32 };
33 #endif
34 
35 /**
36  * Board specific load method for boards that have a special way of loading
37  * U-Boot, which does not fit with the existing SPL code.
38  *
39  * @return 0 on success, negative errno value on failure.
40  */
41 
42 int spl_board_load_image(void);
43 
44 /* Linker symbols. */
45 extern char __bss_start[], __bss_end[];
46 
47 #ifndef CONFIG_DM
48 extern gd_t gdata;
49 #endif
50 
51 #endif
52