blob: c76519f094fb28724fb056c7fc464e44cd469dc5 [file] [log] [blame]
Stefan Roese779e9752007-08-14 14:44:41 +02001/*
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 <asm/io.h>
29#include <asm/gpio.h>
30#include <i2c.h>
31
32#if defined(CONFIG_ZEUS)
33
34u8 buf_zeus_ce[] = {
35/*00 01 02 03 04 05 06 07 */
36 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
37/*08 09 0a 0b 0c 0d 0e 0f */
38 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
39/*10 11 12 13 14 15 16 17 */
40 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
41/*18 19 1a 1b 1c 1d 1e 1f */
42 0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 };
43
44u8 buf_zeus_pe[] = {
45
46/* CPU_CLOCK_DIV 1 = 00
47 CPU_PLB_FREQ_DIV 3 = 10
48 OPB_PLB_FREQ_DIV 2 = 01
49 EBC_PLB_FREQ_DIV 2 = 00
50 MAL_PLB_FREQ_DIV 1 = 00
51 PCI_PLB_FRQ_DIV 3 = 10
52 PLL_PLLOUTA = IS SET
53 PLL_OPERATING = IS NOT SET
54 PLL_FDB_MUL 10 = 1010
55 PLL_FWD_DIV_A 3 = 101
56 PLL_FWD_DIV_B 3 = 101
57 TUNE = 0x2be */
58/*00 01 02 03 04 05 06 07 */
59 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
60/*08 09 0a 0b 0c 0d 0e 0f */
61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
62/*10 11 12 13 14 15 16 17 */
63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
64/*18 19 1a 1b 1c 1d 1e 1f */
65 0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 };
66
67static int update_boot_eeprom(void)
68{
69 u32 len = 0x20;
70 u8 chip = CFG_I2C_EEPROM_ADDR;
71 u8 *pbuf;
72 u8 base;
73 int i;
74
75 if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) {
76 pbuf = buf_zeus_pe;
77 base = 0x40;
78 } else {
79 pbuf = buf_zeus_ce;
80 base = 0x00;
81 }
82
83 for (i = 0; i < len; i++, base++) {
84 if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) {
85 printf("i2c_write fail\n");
86 return 1;
87 }
88 udelay(11000);
89 }
90
91 return 0;
92}
93
94int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[])
95{
96 return update_boot_eeprom();
97}
98
99U_BOOT_CMD (
100 update_boot_eeprom, 1, 1, do_update_boot_eeprom,
101 "update_boot_eeprom - update boot eeprom content\n",
102 NULL
103);
104
105#endif