am33xx: move generic parts of pinmux handling out from board/ti/am335x

So they are available for other boards.

Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile
index 7768912..74875b3 100644
--- a/arch/arm/cpu/armv7/am33xx/Makefile
+++ b/arch/arm/cpu/armv7/am33xx/Makefile
@@ -21,6 +21,7 @@
 COBJS	+= ddr.o
 COBJS	+= emif4.o
 COBJS	+= board.o
+COBJS	+= mux.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
diff --git a/arch/arm/cpu/armv7/am33xx/mux.c b/arch/arm/cpu/armv7/am33xx/mux.c
new file mode 100644
index 0000000..2ded472
--- /dev/null
+++ b/arch/arm/cpu/armv7/am33xx/mux.c
@@ -0,0 +1,33 @@
+/*
+ * mux.c
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+/*
+ * Configure the pin mux for the module
+ */
+void configure_module_pin_mux(struct module_pin_mux *mod_pin_mux)
+{
+	int i;
+
+	if (!mod_pin_mux)
+		return;
+
+	for (i = 0; mod_pin_mux[i].reg_offset != -1; i++)
+		MUX_CFG(mod_pin_mux[i].val, mod_pin_mux[i].reg_offset);
+}