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