/* * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@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 <mpc8xx.h>/*----------------------------------------------------------------------- * Process Hardware Information Block: * * If we boot on a system fresh from factory, check if the Hardware * Information Block exists and save the information it contains. * * The KUP Hardware Information Block is defined as * follows: * - located in first flash bank * - starts at offset CFG_HWINFO_OFFSET * - size CFG_HWINFO_SIZE * * Internal structure: * - sequence of ASCII character lines * - fields separated by <CR><LF> * - last field terminated by NUL character (0x00) * * Fields in Hardware Information Block: * 1) Module Type * 2) MAC Address * 3) .... */#define ETHADDR_TOKEN "ethaddr="#define LCD_TOKEN "lcd="void load_sernum_ethaddr (void){	unsigned char *hwi;	char *var;	unsigned char hwi_stack[CFG_HWINFO_SIZE];	char *p;	hwi = (unsigned char *) (CFG_FLASH_BASE + CFG_HWINFO_OFFSET);	if (*((unsigned long *) hwi) != (unsigned long) CFG_HWINFO_MAGIC) {		printf ("HardwareInfo not found!\n");		return;	}	memcpy (hwi_stack, hwi, CFG_HWINFO_SIZE);	/*	 ** ethaddr	 */	var = strstr ((char *)hwi_stack, ETHADDR_TOKEN);	if (var) {		var += sizeof (ETHADDR_TOKEN) - 1;		p = strchr (var, '\r');		if ((unsigned char *)p < hwi + CFG_HWINFO_SIZE) {			*p = '\0';			setenv ("ethaddr", var);			*p = '\r';		}	}	/*	 ** lcd	 */	var = strstr ((char *)hwi_stack, LCD_TOKEN);	if (var) {		var += sizeof (LCD_TOKEN) - 1;		p = strchr (var, '\r');		if ((unsigned char *)p < hwi + CFG_HWINFO_SIZE) {			*p = '\0';			setenv ("lcd", var);			*p = '\r';		}	}}