include/spl.h

   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 /* NOR SPL functions */
  63 void spl_nor_load_image(void);
  64
  65 /* MMC SPL functions */
  66 void spl_mmc_load_image(void);
  67
  68 /* YMODEM SPL functions */
  69 void spl_ymodem_load_image(void);
  70
  71 /* SPI SPL functions */
  72 void spl_spi_load_image(void);
  73
  74 /* Ethernet SPL functions */
  75 void spl_net_load_image(const char *device);
  76
  77 #ifdef CONFIG_SPL_BOARD_INIT
  78 void spl_board_init(void);
  79 #endif
  80 #endif