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 <asm/spl.h> 28 29 /* Boot type */ 30 #define MMCSD_MODE_UNDEFINED 0 31 #define MMCSD_MODE_RAW 1 32 #define MMCSD_MODE_FAT 2 33 34 struct spl_image_info { 35 const char *name; 36 u8 os; 37 u32 load_addr; 38 u32 entry_point; 39 u32 size; 40 }; 41 42 extern struct spl_image_info spl_image; 43 extern u32 *boot_params_ptr; 44 45 /* SPL common functions */ 46 void preloader_console_init(void); 47 u32 spl_boot_device(void); 48 u32 spl_boot_mode(void); 49 void spl_parse_image_header(const struct image_header *header); 50 void spl_board_prepare_for_linux(void); 51 int spl_start_uboot(void); 52 void spl_display_print(void); 53 54 /* NAND SPL functions */ 55 void spl_nand_load_image(void); 56 57 /* MMC SPL functions */ 58 void spl_mmc_load_image(void); 59 60 /* YMODEM SPL functions */ 61 void spl_ymodem_load_image(void); 62 63 /* SPI SPL functions */ 64 void spi_boot(void); 65 66 #ifdef CONFIG_SPL_BOARD_INIT 67 void spl_board_init(void); 68 #endif 69 #endif 70