ARM: pxa: Access SMEMC via virtual addresses

[pandora-kernel.git] / arch / arm / mach-pxa / pxa25x.c

diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index de53f2e..23136b6 100644 (file)
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/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>
@@ -30,6 +31,7 @@
 #include <mach/reset.h>
 #include <mach/pm.h>
 #include <mach/dma.h>
+#include <mach/smemc.h>
 
 #include "generic.h"
 #include "devices.h"
@@ -320,6 +322,22 @@ void __init pxa26x_init_irq(void)
 }
 #endif
 
+static struct map_desc pxa25x_io_desc[] __initdata = {
+       {       /* Mem Ctl */
+               .virtual        = SMEMC_VIRT,
+               .pfn            = __phys_to_pfn(PXA2XX_SMEMC_BASE),
+               .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,