include/spl.h

   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