]> git.ipfire.org Git - people/ms/u-boot.git/blob - onenand_ipl/onenand_boot.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / onenand_ipl / onenand_boot.c
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 CONFIG_SYS_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 CONFIG_SYS_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 *) CONFIG_SYS_LOAD_ADDR;
62
63 if (!onenand_read_block0(buf))
64 buf += ONENAND_BLOCK_SIZE;
65
66 if (buf == (uchar *)CONFIG_SYS_LOAD_ADDR)
67 hang();
68
69 /* go run U-Boot and never return */
70 printf("Starting OS Bootloader...\n");
71 ((init_fnc_t *)CONFIG_SYS_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 }