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Commit | Line | Data |
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47f7bcae TR |
1 | /* |
2 | * (C) Copyright 2012 | |
3 | * Texas Instruments, <www.ti.com> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
47f7bcae TR |
6 | */ |
7 | #ifndef _SPL_H_ | |
8 | #define _SPL_H_ | |
9 | ||
10 | /* Platform-specific defines */ | |
6507f133 | 11 | #include <linux/compiler.h> |
47f7bcae TR |
12 | #include <asm/spl.h> |
13 | ||
32ba8952 SG |
14 | /* Value in r0 indicates we booted from U-Boot */ |
15 | #define UBOOT_NOT_LOADED_FROM_SPL 0x13578642 | |
773b5940 | 16 | |
47f7bcae TR |
17 | /* Boot type */ |
18 | #define MMCSD_MODE_UNDEFINED 0 | |
19 | #define MMCSD_MODE_RAW 1 | |
205b4f33 | 20 | #define MMCSD_MODE_FS 2 |
7dbe63bc | 21 | #define MMCSD_MODE_EMMCBOOT 3 |
47f7bcae TR |
22 | |
23 | struct spl_image_info { | |
24 | const char *name; | |
25 | u8 os; | |
26 | u32 load_addr; | |
27 | u32 entry_point; | |
28 | u32 size; | |
022b4975 | 29 | u32 flags; |
47f7bcae TR |
30 | }; |
31 | ||
022b4975 SR |
32 | #define SPL_COPY_PAYLOAD_ONLY 1 |
33 | ||
47f7bcae | 34 | extern struct spl_image_info spl_image; |
47f7bcae TR |
35 | |
36 | /* SPL common functions */ | |
37 | void preloader_console_init(void); | |
38 | u32 spl_boot_device(void); | |
39 | u32 spl_boot_mode(void); | |
0c3117b1 | 40 | void spl_set_header_raw_uboot(void); |
47f7bcae TR |
41 | void spl_parse_image_header(const struct image_header *header); |
42 | void spl_board_prepare_for_linux(void); | |
6507f133 | 43 | void __noreturn jump_to_image_linux(void *arg); |
47f7bcae TR |
44 | int spl_start_uboot(void); |
45 | void spl_display_print(void); | |
46 | ||
47 | /* NAND SPL functions */ | |
36afd451 | 48 | int spl_nand_load_image(void); |
47f7bcae | 49 | |
6000992e | 50 | /* OneNAND SPL functions */ |
36afd451 | 51 | int spl_onenand_load_image(void); |
6000992e | 52 | |
33d34646 | 53 | /* NOR SPL functions */ |
36afd451 | 54 | int spl_nor_load_image(void); |
33d34646 | 55 | |
47f7bcae | 56 | /* MMC SPL functions */ |
a1e56cf6 | 57 | int spl_mmc_load_image(u32 boot_device); |
47f7bcae TR |
58 | |
59 | /* YMODEM SPL functions */ | |
36afd451 | 60 | int spl_ymodem_load_image(void); |
47f7bcae TR |
61 | |
62 | /* SPI SPL functions */ | |
36afd451 | 63 | int spl_spi_load_image(void); |
47f7bcae | 64 | |
7ac2fe2d | 65 | /* Ethernet SPL functions */ |
36afd451 | 66 | int spl_net_load_image(const char *device); |
7ac2fe2d | 67 | |
8cffe5bd | 68 | /* USB SPL functions */ |
36afd451 | 69 | int spl_usb_load_image(void); |
8cffe5bd | 70 | |
fff40a7e | 71 | /* SATA SPL functions */ |
36afd451 | 72 | int spl_sata_load_image(void); |
fff40a7e | 73 | |
773b5940 | 74 | /* SPL FAT image functions */ |
4101f687 SG |
75 | int spl_load_image_fat(struct blk_desc *block_dev, int partition, |
76 | const char *filename); | |
77 | int spl_load_image_fat_os(struct blk_desc *block_dev, int partition); | |
773b5940 | 78 | |
ce048224 JH |
79 | void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image); |
80 | ||
592f9222 | 81 | /* SPL EXT image functions */ |
4101f687 SG |
82 | int spl_load_image_ext(struct blk_desc *block_dev, int partition, |
83 | const char *filename); | |
84 | int spl_load_image_ext_os(struct blk_desc *block_dev, int partition); | |
592f9222 | 85 | |
070d00b8 SG |
86 | /** |
87 | * spl_init() - Set up device tree and driver model in SPL if enabled | |
88 | * | |
89 | * Call this function in board_init_f() if you want to use device tree and | |
90 | * driver model early, before board_init_r() is called. This function will | |
91 | * be called from board_init_r() if not called earlier. | |
92 | * | |
93 | * If this is not called, then driver model will be inactive in SPL's | |
94 | * board_init_f(), and no device tree will be available. | |
95 | */ | |
96 | int spl_init(void); | |
97 | ||
47f7bcae TR |
98 | #ifdef CONFIG_SPL_BOARD_INIT |
99 | void spl_board_init(void); | |
100 | #endif | |
32ba8952 SG |
101 | |
102 | /** | |
103 | * spl_was_boot_source() - check if U-Boot booted from SPL | |
104 | * | |
105 | * This will normally be true, but if U-Boot jumps to second U-Boot, it will | |
106 | * be false. This should be implemented by board-specific code. | |
107 | * | |
108 | * @return true if U-Boot booted from SPL, else false | |
109 | */ | |
110 | bool spl_was_boot_source(void); | |
111 | ||
47f7bcae | 112 | #endif |