2 * arch/blackfin/mach-bf537/board/eth_mac.c
4 * Copyright (C) 2007 Analog Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/module.h>
21 #include <asm/blackfin.h>
23 #if defined(CONFIG_GENERIC_BOARD) \
24 || defined(CONFIG_BFIN537_STAMP)
27 * Currently the MAC address is saved in Flash by U-Boot
29 #define FLASH_MAC 0x203f0000
31 void get_bf537_ether_addr(char *addr)
33 unsigned int flash_mac = (unsigned int) FLASH_MAC;
34 *(u32 *)(&(addr[0])) = bfin_read32(flash_mac);
36 *(u16 *)(&(addr[4])) = bfin_read16(flash_mac);
42 * Provide MAC address function for other specific board setting
44 void get_bf537_ether_addr(char *addr)
46 printk(KERN_WARNING "%s: No valid Ethernet MAC address found\n",__FILE__);
51 EXPORT_SYMBOL(get_bf537_ether_addr);