1 /* 2 * (C) Copyright 2012 3 * Texas Instruments, <www.ti.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 #ifndef _SPL_H_ 8 #define _SPL_H_ 9 10 /* Platform-specific defines */ 11 #include <linux/compiler.h> 12 #include <asm/spl.h> 13 14 15 /* Boot type */ 16 #define MMCSD_MODE_UNDEFINED 0 17 #define MMCSD_MODE_RAW 1 18 #define MMCSD_MODE_FS 2 19 #define MMCSD_MODE_EMMCBOOT 3 20 21 struct spl_image_info { 22 const char *name; 23 u8 os; 24 u32 load_addr; 25 u32 entry_point; 26 u32 size; 27 u32 flags; 28 }; 29 30 #define SPL_COPY_PAYLOAD_ONLY 1 31 32 extern struct spl_image_info spl_image; 33 34 /* SPL common functions */ 35 void preloader_console_init(void); 36 u32 spl_boot_device(void); 37 u32 spl_boot_mode(void); 38 void spl_set_header_raw_uboot(void); 39 void spl_parse_image_header(const struct image_header *header); 40 void spl_board_prepare_for_linux(void); 41 void __noreturn jump_to_image_linux(void *arg); 42 int spl_start_uboot(void); 43 void spl_display_print(void); 44 45 /* NAND SPL functions */ 46 void spl_nand_load_image(void); 47 48 /* OneNAND SPL functions */ 49 void spl_onenand_load_image(void); 50 51 /* NOR SPL functions */ 52 void spl_nor_load_image(void); 53 54 /* MMC SPL functions */ 55 void spl_mmc_load_image(void); 56 57 /* YMODEM SPL functions */ 58 void spl_ymodem_load_image(void); 59 60 /* SPI SPL functions */ 61 void spl_spi_load_image(void); 62 63 /* Ethernet SPL functions */ 64 void spl_net_load_image(const char *device); 65 66 /* USB SPL functions */ 67 void spl_usb_load_image(void); 68 69 /* SATA SPL functions */ 70 void spl_sata_load_image(void); 71 72 /* SPL FAT image functions */ 73 int spl_load_image_fat(block_dev_desc_t *block_dev, int partition, const char *filename); 74 int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition); 75 76 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image); 77 78 /* SPL EXT image functions */ 79 int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename); 80 int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition); 81 82 #ifdef CONFIG_SPL_BOARD_INIT 83 void spl_board_init(void); 84 #endif 85 #endif 86