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>

1 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index d1c747cdacf8..5480a94e6469 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -22,6 +22,7 @@
 #include <linux/io.h>
 #include <linux/sysdev.h>
 
+#include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <mach/gpio.h>
 #include <mach/pxa3xx-regs.h>
@@ -580,6 +581,22 @@ void __init pxa3xx_init_irq(void)
         pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL);
 }
 
+static struct map_desc pxa3xx_io_desc[] __initdata = {
+        {       /* Mem Ctl */
+                .virtual        =  0xf6000000,
+                .pfn            = __phys_to_pfn(0x4a000000),
+                .length         = 0x00200000,
+                .type           = MT_DEVICE
+        }
+};
+
+void __init pxa3xx_map_io(void)
+{
+        pxa_map_io();
+        iotable_init(ARRAY_AND_SIZE(pxa3xx_io_desc));
+        pxa3xx_get_clk_frequency_khz(1);
+}
+
 /*
  * device registration specific to PXA3xx.
  */