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/*
* arch/blackfin/mach-bf537/board/eth_mac.c
*
* Copyright (C) 2007 Analog Devices, Inc.
*
* 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 <linux/module.h>
#include <asm/blackfin.h>
#if defined(CONFIG_GENERIC_BOARD) \
|| defined(CONFIG_BFIN537_STAMP)
/*
* Currently the MAC address is saved in Flash by U-Boot
*/
#define FLASH_MAC 0x203f0000
void get_bf537_ether_addr(char *addr)
{
unsigned int flash_mac = (unsigned int) FLASH_MAC;
*(u32 *)(&(addr[0])) = bfin_read32(flash_mac);
flash_mac += 4;
*(u16 *)(&(addr[4])) = bfin_read16(flash_mac);
}
#else
/*
* Provide MAC address function for other specific board setting
*/
void get_bf537_ether_addr(char *addr)
{
printk(KERN_WARNING "%s: No valid Ethernet MAC address found\n",__FILE__);
}
#endif
EXPORT_SYMBOL(get_bf537_ether_addr);
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