blob: f30deaeca7d3cd5f3e3fef067e994f57a5208f57 [file] [log] [blame]
Kyungmin Park751b9b52008-01-17 16:43:25 +09001/*
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
32int print_info(void)
33{
34 printf(XLOADER_VERSION);
35
36 return 0;
37}
38#endif
39
40typedef int (init_fnc_t)(void);
41
42init_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
51void 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
76void hang(void)
77{
78 /* if board_hang() returns, hange here */
79 printf("X-Loader hangs\n");
80 for (;;);
81}