diff --git a/arch/arm/mach-clps711x/autcpu12.c b/arch/arm/mach-clps711x/autcpu12.c
index 3287191..214547b 100644
--- a/arch/arm/mach-clps711x/autcpu12.c
+++ b/arch/arm/mach-clps711x/autcpu12.c
@@ -39,19 +39,10 @@
 
 #include "common.h"
 
-/*
- * The on-chip registers are given a size of 1MB so that a section can
- * be used to map them; this saves a page table.  This is the place to
- * add mappings for ROM, expansion memory, PCMCIA, etc.  (if static
- * mappings are chosen for those areas).
- *
-*/
-
 static struct map_desc autcpu12_io_desc[] __initdata = {
-	/* memory-mapped extra io and CS8900A Ethernet chip */
- 	/* ethernet chip */
- 	{
-		.virtual	= AUTCPU12_VIRT_CS8900A,
+	/* Memory-mapped extra io and CS8900A Ethernet chip */
+	{
+		.virtual	= IO_ADDRESS(AUTCPU12_PHYS_CS8900A),
 		.pfn		= __phys_to_pfn(AUTCPU12_PHYS_CS8900A),
 		.length		= SZ_1M,
 		.type		= MT_DEVICE
diff --git a/arch/arm/mach-clps711x/cdb89712.c b/arch/arm/mach-clps711x/cdb89712.c
index c314f49..d90d25c 100644
--- a/arch/arm/mach-clps711x/cdb89712.c
+++ b/arch/arm/mach-clps711x/cdb89712.c
@@ -40,8 +40,8 @@
  */
 static struct map_desc cdb89712_io_desc[] __initdata = {
 	{
-		.virtual	= ETHER_BASE,
-		.pfn		=__phys_to_pfn(ETHER_START),
+		.virtual	= IO_ADDRESS(ETHER_PHYS_BASE),
+		.pfn		= __phys_to_pfn(ETHER_PHYS_BASE),
 		.length		= ETHER_SIZE,
 		.type		= MT_DEVICE
 	}
diff --git a/arch/arm/mach-clps711x/common.c b/arch/arm/mach-clps711x/common.c
index 38a18ee..0918591 100644
--- a/arch/arm/mach-clps711x/common.c
+++ b/arch/arm/mach-clps711x/common.c
@@ -45,7 +45,7 @@ static struct map_desc clps711x_io_desc[] __initdata = {
 	{
 		.virtual	= (unsigned long)CLPS711X_VIRT_BASE,
 		.pfn		= __phys_to_pfn(CLPS711X_PHYS_BASE),
-		.length		= SZ_1M,
+		.length		= SZ_64K,
 		.type		= MT_DEVICE
 	}
 };
diff --git a/arch/arm/mach-clps711x/edb7211-mm.c b/arch/arm/mach-clps711x/edb7211-mm.c
index 4372f06..054eaa0 100644
--- a/arch/arm/mach-clps711x/edb7211-mm.c
+++ b/arch/arm/mach-clps711x/edb7211-mm.c
@@ -51,23 +51,23 @@ extern void clps711x_map_io(void);
  *     happens).
  */
 static struct map_desc edb7211_io_desc[] __initdata = {
- 	{	/* memory-mapped extra keyboard row */
-	 	.virtual 	= EP7211_VIRT_EXTKBD,
+	{	/* Memory-mapped extra keyboard row */
+		.virtual 	= IO_ADDRESS(EP7211_PHYS_EXTKBD),
 		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),
 		.length		= SZ_1M,
 		.type		= MT_DEVICE,
-	}, {	/* and CS8900A Ethernet chip */
-		.virtual	= EP7211_VIRT_CS8900A,
+	}, {	/* CS8900A Ethernet chip */
+		.virtual	= IO_ADDRESS(EP7211_PHYS_CS8900A),
 		.pfn		= __phys_to_pfn(EP7211_PHYS_CS8900A),
 		.length		= SZ_1M,
 		.type		= MT_DEVICE,
-	}, { 	/* flash banks */
-		.virtual	= EP7211_VIRT_FLASH1,
+	}, {	/* Flash bank 0 */
+		.virtual	= IO_ADDRESS(EP7211_PHYS_FLASH1),
 		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH1),
 		.length		= SZ_8M,
 		.type		= MT_DEVICE,
-	}, {
-		.virtual	= EP7211_VIRT_FLASH2,
+	}, {	/* Flash bank 1 */
+		.virtual	= IO_ADDRESS(EP7211_PHYS_FLASH2),
 		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH2),
 		.length		= SZ_8M,
 		.type		= MT_DEVICE,
diff --git a/arch/arm/mach-clps711x/include/mach/autcpu12.h b/arch/arm/mach-clps711x/include/mach/autcpu12.h
index 1588a36..f95ce6f 100644
--- a/arch/arm/mach-clps711x/include/mach/autcpu12.h
+++ b/arch/arm/mach-clps711x/include/mach/autcpu12.h
@@ -20,12 +20,8 @@
 #ifndef __ASM_ARCH_AUTCPU12_H
 #define __ASM_ARCH_AUTCPU12_H
 
-/*
- * The CS8900A ethernet chip has its I/O registers wired to chip select 2
- * (nCS2). This is the mapping for it.
- */
-#define AUTCPU12_PHYS_CS8900A		CS2_PHYS_BASE		/* physical */
-#define AUTCPU12_VIRT_CS8900A		(0xfe000000)		/* virtual */
+/* The CS8900A ethernet chip has its I/O registers wired to chip select 2 */
+#define AUTCPU12_PHYS_CS8900A		CS2_PHYS_BASE
 
 /*
  * The flash bank is wired to chip select 0
@@ -34,11 +30,9 @@
 
 /* offset for device specific information structure */
 #define AUTCPU12_LCDINFO_OFFS		(0x00010000)	
-/*
-* Videomemory is the internal SRAM (CS 6)	
-*/
+
+/* Videomemory in the internal SRAM (CS 6) */
 #define AUTCPU12_PHYS_VIDEO		CS6_PHYS_BASE
-#define AUTCPU12_VIRT_VIDEO		(0xfd000000)
 
 /*
 * All special IO's are tied to CS1
diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h
index 8497775..0a3df25 100644
--- a/arch/arm/mach-clps711x/include/mach/hardware.h
+++ b/arch/arm/mach-clps711x/include/mach/hardware.h
@@ -24,7 +24,10 @@
 
 #include <mach/clps711x.h>
 
-#define CLPS711X_VIRT_BASE	IOMEM(0xff000000)
+#define IO_ADDRESS(x)		(0xdc000000 + (((x) & 0x03ffffff) | \
+				(((x) >> 2) & 0x3c000000)))
+
+#define CLPS711X_VIRT_BASE	IOMEM(IO_ADDRESS(CLPS711X_PHYS_BASE))
 
 #ifndef __ASSEMBLY__
 #define clps_readb(off)		readb(CLPS711X_VIRT_BASE + (off))
@@ -61,58 +64,25 @@
 #define CS7_PHYS_BASE		(0x00000000)
 #endif
 
-#define SYSPLD_VIRT_BASE	0xfe000000
-#define SYSPLD_BASE		SYSPLD_VIRT_BASE
-
 #if defined (CONFIG_ARCH_CDB89712)
 
-#define ETHER_START      0x20000000
-#define ETHER_SIZE       0x1000
-#define ETHER_BASE       0xfe000000
+#define ETHER_PHYS_BASE		CS2_PHYS_BASE
+#define ETHER_SIZE		0x1000
 
 #endif
 
 
 #if defined (CONFIG_ARCH_EDB7211)
 
-/*
- * The extra 8 lines of the keyboard matrix are wired to chip select 3 (nCS3) 
- * and repeat across it. This is the mapping for it.
- *
- * In jumpered boot mode, nCS3 is mapped to 0x4000000, not 0x3000000. This 
- * was cause for much consternation and headscratching. This should probably
- * be made a compile/run time kernel option.
- */
-#define EP7211_PHYS_EXTKBD		CS3_PHYS_BASE	/* physical */
-
-#define EP7211_VIRT_EXTKBD		(0xfd000000)	/* virtual */
-
-
-/*
- * The CS8900A ethernet chip has its I/O registers wired to chip select 2 
- * (nCS2). This is the mapping for it.
- *
- * In jumpered boot mode, nCS2 is mapped to 0x5000000, not 0x2000000. This 
- * was cause for much consternation and headscratching. This should probably
- * be made a compile/run time kernel option.
- */
-#define EP7211_PHYS_CS8900A		CS2_PHYS_BASE	/* physical */
-
-#define EP7211_VIRT_CS8900A		(0xfc000000)	/* virtual */
+/* The extra 8 lines of the keyboard matrix are wired to chip select 3 */
+#define EP7211_PHYS_EXTKBD	CS3_PHYS_BASE
 
+/* The CS8900A ethernet chip has its I/O registers wired to chip select 2 */
+#define EP7211_PHYS_CS8900A	CS2_PHYS_BASE
 
-/*
- * The two flash banks are wired to chip selects 0 and 1. This is the mapping
- * for them.
- *
- * nCS0 and nCS1 are at 0x70000000 and 0x60000000, respectively, when running
- * in jumpered boot mode.
- */
-#define EP7211_PHYS_FLASH1		CS0_PHYS_BASE	/* physical */
-#define EP7211_PHYS_FLASH2		CS1_PHYS_BASE	/* physical */
-
-#define EP7211_VIRT_FLASH1		(0xfa000000)	/* virtual */
-#define EP7211_VIRT_FLASH2		(0xfb000000)	/* virtual */
+/* The two flash banks are wired to chip selects 0 and 1 */
+#define EP7211_PHYS_FLASH1	CS0_PHYS_BASE
+#define EP7211_PHYS_FLASH2	CS1_PHYS_BASE
 
 #endif /* CONFIG_ARCH_EDB7211 */
 
diff --git a/arch/arm/mach-clps711x/include/mach/syspld.h b/arch/arm/mach-clps711x/include/mach/syspld.h
index f7f4c12..9a43315 100644
--- a/arch/arm/mach-clps711x/include/mach/syspld.h
+++ b/arch/arm/mach-clps711x/include/mach/syspld.h
@@ -23,14 +23,9 @@
 #define __ASM_ARCH_SYSPLD_H
 
 #define SYSPLD_PHYS_BASE	(0x10000000)
+#define SYSPLD_VIRT_BASE	IO_ADDRESS(SYSPLD_PHYS_BASE)
 
-#ifndef __ASSEMBLY__
-#include <asm/types.h>
-
-#define SYSPLD_REG(type,off)	(*(volatile type *)(SYSPLD_BASE + off))
-#else
-#define SYSPLD_REG(type,off)	(off)
-#endif
+#define SYSPLD_REG(type, off)	(*(volatile type *)(SYSPLD_VIRT_BASE + (off)))
 
 #define PLD_INT		SYSPLD_REG(u32, 0x000000)
 #define PLD_INT_PENIRQ		(1 << 5)
diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c
index 7680bea..dd89950 100644
--- a/arch/arm/mach-clps711x/p720t.c
+++ b/arch/arm/mach-clps711x/p720t.c
@@ -39,22 +39,16 @@
 #include "common.h"
 
 /*
- * Map the P720T system PLD.  It occupies two address spaces:
- *  SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000
- * We map both here.
+ * Map the P720T system PLD. It occupies two address spaces:
+ * 0x10000000 and 0x10400000. We map both regions as one.
  */
 static struct map_desc p720t_io_desc[] __initdata = {
 	{
 		.virtual	= SYSPLD_VIRT_BASE,
 		.pfn		= __phys_to_pfn(SYSPLD_PHYS_BASE),
-		.length		= SZ_1M,
-		.type		= MT_DEVICE
-	}, {
-		.virtual	= 0xfe400000,
-		.pfn		= __phys_to_pfn(0x10400000),
-		.length		= SZ_1M,
-		.type		= MT_DEVICE
-	}
+		.length		= SZ_8M,
+		.type		= MT_DEVICE,
+	},
 };
 
 static void __init
