source: SVN/rincon/u-boot/board/amcc/taishan/update.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.7 KB
Line 
1/*
2 * (C) Copyright 2007
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
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
24#include <config.h>
25#include <common.h>
26#include <command.h>
27#include <asm/processor.h>
28#include <i2c.h>
29
30#if defined(CONFIG_TAISHAN)
31
32const uchar bootstrap_buf[16] = {
33        0x86,
34        0x78,
35        0xc1,
36        0xa6,
37        0x09,
38        0x67,
39        0x04,
40        0x63,
41        0x00,
42        0x00,
43        0x00,
44        0x00,
45        0x00,
46        0x00,
47        0x00,
48        0x00
49};
50
51static int update_boot_eeprom(void)
52{
53        ulong len = 0x10;
54        uchar chip = CFG_BOOTSTRAP_IIC_ADDR;
55        uchar *pbuf = (uchar *)bootstrap_buf;
56        int ii, jj;
57
58        for (ii = 0; ii < len; ii++) {
59                if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) {
60                        printf("i2c_write failed\n");
61                        return -1;
62                }
63
64                /* wait 10ms */
65                for (jj = 0; jj < 10; jj++)
66                        udelay(1000);
67        }
68        return 0;
69}
70
71int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
72{
73        return update_boot_eeprom();
74}
75
76U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom,
77           "update_boot_eeprom  - update bootstrap eeprom content\n", NULL);
78#endif
Note: See TracBrowser for help on using the repository browser.