ARM: AM43xx: Add Board files

Add board specific information for AM43xx.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/board/ti/am43xx/mux.c b/board/ti/am43xx/mux.c
new file mode 100644
index 0000000..700e9a7
--- /dev/null
+++ b/board/ti/am43xx/mux.c
@@ -0,0 +1,27 @@
+/*
+ * mux.c
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mux.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | RXACTIVE)},	/* UART0_RXD */
+	{OFFSET(uart0_txd), (MODE(0))},			/* UART0_TXD */
+	{-1},
+};
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_board_pin_mux(void)
+{
+}