mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/*
|
|
* (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 CONFIG_SYS_HWINFO_OFFSET
|
|
* - size CONFIG_SYS_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[CONFIG_SYS_HWINFO_SIZE];
|
|
char *p;
|
|
|
|
hwi = (unsigned char *) (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_HWINFO_OFFSET);
|
|
if (*((unsigned long *) hwi) != (unsigned long) CONFIG_SYS_HWINFO_MAGIC) {
|
|
printf ("HardwareInfo not found!\n");
|
|
return;
|
|
}
|
|
memcpy (hwi_stack, hwi, CONFIG_SYS_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 + CONFIG_SYS_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 + CONFIG_SYS_HWINFO_SIZE) {
|
|
*p = '\0';
|
|
setenv ("lcd", var);
|
|
*p = '\r';
|
|
}
|
|
}
|
|
}
|