Blackfin: br4: new board port

This adds support for the BR4 Appliance.  It is a quad channel ISDN BRI
board based on Blackfin BF537 CPU.

Signed-off-by: Dimitar Penev <dpn@switchfin.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/br4/br4.c b/board/br4/br4.c
new file mode 100644
index 0000000..bc034e3
--- /dev/null
+++ b/board/br4/br4.c
@@ -0,0 +1,30 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) Switchfin Org. <dpn@switchfin.org>
+ *
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <net.h>
+#include <netdev.h>
+
+int checkboard(void)
+{
+	printf("Board: Switchvoice BR4 Appliance\n");
+	printf("       Support: http://www.switchvoice.com/\n");
+	return 0;
+}
+
+#ifdef CONFIG_BFIN_MAC
+int board_eth_init(bd_t *bis)
+{
+	return bfin_EMAC_initialize(bis);
+}
+#endif