1 files changed, 50 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf527/boards/eth_mac.c b/arch/blackfin/mach-bf527/boards/eth_mac.c
new file mode 100644
index 000000000000..a725cc8a9290
--- /dev/null
+++ b/arch/blackfin/mach-bf527/boards/eth_mac.c
@@ -0,0 +1,50 @@
+/*
+ *  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);