/* * (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 *argv[]){	u8 chip;	u8 *buf;	int cpu_freq;	if (argc < 3) {		printf("Usage:\n%s\n", cmdtp->usage);		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(CFG_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,	"bootstrap - program the I2C bootstrap EEPROM\n",	"<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM\n"	);