From 851982c1b6ca18cedf6d01e4529a0c1ddb30771e Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Mon, 11 Oct 2010 02:20:19 +0200
Subject: 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/pxa3xx.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'arch/arm/mach-pxa/pxa3xx.c')

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.
  */
-- 
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