ARM: picoxcell: move io mappings to common.c

Now that we have lost our machine specific ioremap() we just have one
mapping that covers all peripherals.  Move this to common.c to simplify
things a little.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
diff --git a/arch/arm/mach-picoxcell/common.c b/arch/arm/mach-picoxcell/common.c
index d34b333..febee47 100644
--- a/arch/arm/mach-picoxcell/common.c
+++ b/arch/arm/mach-picoxcell/common.c
@@ -16,12 +16,25 @@
 
 #include <asm/mach/arch.h>
 #include <asm/hardware/vic.h>
+#include <asm/mach/map.h>
 
 #include <mach/map.h>
 #include <mach/picoxcell_soc.h>
 
 #include "common.h"
 
+static struct map_desc io_map __initdata = {
+	.virtual	= PHYS_TO_IO(PICOXCELL_PERIPH_BASE),
+	.pfn		= __phys_to_pfn(PICOXCELL_PERIPH_BASE),
+	.length		= PICOXCELL_PERIPH_LENGTH,
+	.type		= MT_DEVICE,
+};
+
+static void __init picoxcell_map_io(void)
+{
+	iotable_init(&io_map, 1);
+}
+
 static void __init picoxcell_init_machine(void)
 {
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);