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-rw-r--r--arch/blackfin/mach-bf537/boards/eth_mac.c51
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diff --git a/arch/blackfin/mach-bf537/boards/eth_mac.c b/arch/blackfin/mach-bf537/boards/eth_mac.c
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+++ b/arch/blackfin/mach-bf537/boards/eth_mac.c
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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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