ARM: pxa: Introduce pxa{25x,27x,3xx}_map_io()

This patch introduces pxa2xx_map_io() and pxa3xx_map_io() to distinguish
between PXA25x/PXA27x and PXA3xx memory mapping.

Also, fixup for platforms broken after introducing pxa{25x,27x}_map_io()
and pxa3xx_map_io() is included.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/pxa25x.c

@@ -23,6 +23,7 @@
 #include <linux/suspend.h>
 #include <linux/sysdev.h>
 
+#include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/gpio.h>
@@ -320,6 +321,22 @@ void __init pxa26x_init_irq(void)
 }
 #endif
 
+static struct map_desc pxa25x_io_desc[] __initdata = {
+	{	/* Mem Ctl */
+		.virtual	=  0xf6000000,
+		.pfn		= __phys_to_pfn(0x48000000),
+		.length		= 0x00200000,
+		.type		= MT_DEVICE
+	},
+};
+
+void __init pxa25x_map_io(void)
+{
+	pxa_map_io();
+	iotable_init(ARRAY_AND_SIZE(pxa25x_io_desc));
+	pxa25x_get_clk_frequency_khz(1);
+}
+
 static struct platform_device *pxa25x_devices[] __initdata = {
 	&pxa25x_device_udc,
 	&pxa_device_pmu,