projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 751b9b51 KP |
1 | /* |
| 2 | * (C) Copyright 2005-2008 Samsung Electronics | |
| 3 | * Kyungmin Park <kyungmin.park@samsung.com> | |
| 4 | * | |
| 5 | * Derived from x-loader | |
| 6 | * | |
| 7 | * See file CREDITS for list of people who contributed to this | |
| 8 | * project. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or | |
| 11 | * modify it under the terms of the GNU General Public License as | |
| 12 | * published by the Free Software Foundation; either version 2 of | |
| 13 | * the License, or (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU General Public License for more details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU General Public License | |
| 21 | * along with this program; if not, write to the Free Software | |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 23 | * MA 02111-1307 USA | |
| 24 | */ | |
| 25 | ||
| 26 | #include <common.h> | |
| 27 | #include <version.h> | |
| 28 | ||
| 29 | #include "onenand_ipl.h" | |
| 30 | ||
| 31 | #ifdef CFG_PRINTF | |
| 32 | int print_info(void) | |
| 33 | { | |
| 34 | printf(XLOADER_VERSION); | |
| 35 | ||
| 36 | return 0; | |
| 37 | } | |
| 38 | #endif | |
| 39 | ||
| 40 | typedef int (init_fnc_t)(void); | |
| 41 | ||
| 42 | init_fnc_t *init_sequence[] = { | |
| 43 | board_init, /* basic board dependent setup */ | |
| 44 | #ifdef CFG_PRINTF | |
| 45 | serial_init, /* serial communications setup */ | |
| 46 | print_info, | |
| 47 | #endif | |
| 48 | NULL, | |
| 49 | }; | |
| 50 | ||
| 51 | void start_oneboot(void) | |
| 52 | { | |
| 53 | init_fnc_t **init_fnc_ptr; | |
| 54 | uchar *buf; | |
| 55 | ||
| 56 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { | |
| 57 | if ((*init_fnc_ptr)() != 0) | |
| 58 | hang(); | |
| 59 | } | |
| 60 | ||
| 61 | buf = (uchar *) CFG_LOAD_ADDR; | |
| 62 | ||
| 63 | if (!onenand_read_block(buf, ONENAND_START_BLOCK)) | |
| 64 | buf += ONENAND_BLOCK_SIZE; | |
| 65 | ||
| 66 | if (buf == (uchar *)CFG_LOAD_ADDR) | |
| 67 | hang(); | |
| 68 | ||
| 69 | /* go run U-Boot and never return */ | |
| 70 | printf("Starting OS Bootloader...\n"); | |
| 71 | ((init_fnc_t *)CFG_LOAD_ADDR)(); | |
| 72 | ||
| 73 | /* should never come here */ | |
| 74 | } | |
| 75 | ||
| 76 | void hang(void) | |
| 77 | { | |
| 78 | /* if board_hang() returns, hange here */ | |
| 79 | printf("X-Loader hangs\n"); | |
| 80 | for (;;); | |
| 81 | } |