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/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <common.h>
#include <command.h>
#include <i2c.h>
static u8 boot_267_nor[] = {
0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00,
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
static u8 boot_267_nand[] = {
0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00,
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
u8 chip;
u8 *buf;
int cpu_freq;
if (argc < 3) {
cmd_usage(cmdtp);
return 1;
}
cpu_freq = simple_strtol(argv[1], NULL, 10);
if (cpu_freq != 267) {
printf("Unsupported cpu-frequency - only 267 supported\n");
return 1;
}
/* use 0x50 as I2C EEPROM address for now */
chip = 0x50;
if ((strcmp(argv[2], "nor") != 0) &&
(strcmp(argv[2], "nand") != 0)) {
printf("Unsupported boot-device - only nor|nand support\n");
return 1;
}
if (strcmp(argv[2], "nand") == 0) {
switch (cpu_freq) {
case 267:
buf = boot_267_nand;
break;
default:
break;
}
} else {
switch (cpu_freq) {
case 267:
buf = boot_267_nor;
break;
default:
break;
}
}
if (i2c_write(chip, 0, 1, buf, 16) != 0)
printf("Error writing to EEPROM at address 0x%x\n", chip);
udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0)
printf("Error2 writing to EEPROM at address 0x%x\n", chip);
printf("Done\n");
printf("Please power-cycle the board for the changes to take effect\n");
return 0;
}
U_BOOT_CMD(
bootstrap, 3, 0, do_bootstrap,
"program the I2C bootstrap EEPROM",
"<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM"
);
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