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, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index d1fbf29d561c..71dbee42edf9 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <linux/sysdev.h>
 
+#include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <mach/irqs.h>
@@ -370,6 +371,27 @@ void __init pxa27x_init_irq(void)
         pxa_init_gpio(IRQ_GPIO_2_x, 2, 120, pxa27x_set_wake);
 }
 
+static struct map_desc pxa27x_io_desc[] __initdata = {
+        {       /* Mem Ctl */
+                .virtual        =  0xf6000000,
+                .pfn            = __phys_to_pfn(0x48000000),
+                .length         = 0x00200000,
+                .type           = MT_DEVICE
+        }, {    /* IMem ctl */
+                .virtual        =  0xfe000000,
+                .pfn            = __phys_to_pfn(0x58000000),
+                .length         = 0x00100000,
+                .type           = MT_DEVICE
+        },
+};
+
+void __init pxa27x_map_io(void)
+{
+        pxa_map_io();
+        iotable_init(ARRAY_AND_SIZE(pxa27x_io_desc));
+        pxa27x_get_clk_frequency_khz(1);
+}
+
 /*
  * device registration specific to PXA27x.
  */