xref: /openbmc/u-boot/include/spl.h (revision 8342cc37)
1 /*
2  * (C) Copyright 2012
3  * Texas Instruments, <www.ti.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 #ifndef	_SPL_H_
24 #define	_SPL_H_
25 
26 /* Platform-specific defines */
27 #include <linux/compiler.h>
28 #include <asm/spl.h>
29 
30 /* Boot type */
31 #define MMCSD_MODE_UNDEFINED	0
32 #define MMCSD_MODE_RAW		1
33 #define MMCSD_MODE_FAT		2
34 
35 struct spl_image_info {
36 	const char *name;
37 	u8 os;
38 	u32 load_addr;
39 	u32 entry_point;
40 	u32 size;
41 	u32 flags;
42 };
43 
44 #define SPL_COPY_PAYLOAD_ONLY	1
45 
46 extern struct spl_image_info spl_image;
47 extern u32 *boot_params_ptr;
48 
49 /* SPL common functions */
50 void preloader_console_init(void);
51 u32 spl_boot_device(void);
52 u32 spl_boot_mode(void);
53 void spl_parse_image_header(const struct image_header *header);
54 void spl_board_prepare_for_linux(void);
55 void __noreturn jump_to_image_linux(void *arg);
56 int spl_start_uboot(void);
57 void spl_display_print(void);
58 
59 /* NAND SPL functions */
60 void spl_nand_load_image(void);
61 
62 /* OneNAND SPL functions */
63 void spl_onenand_load_image(void);
64 
65 /* NOR SPL functions */
66 void spl_nor_load_image(void);
67 
68 /* MMC SPL functions */
69 void spl_mmc_load_image(void);
70 
71 /* YMODEM SPL functions */
72 void spl_ymodem_load_image(void);
73 
74 /* SPI SPL functions */
75 void spl_spi_load_image(void);
76 
77 /* Ethernet SPL functions */
78 void spl_net_load_image(const char *device);
79 
80 #ifdef CONFIG_SPL_BOARD_INIT
81 void spl_board_init(void);
82 #endif
83 #endif
84