diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index e79a1b62600f..5b22fdeca52c 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -41,7 +41,7 @@ void * __iomem __iop13xx_io(unsigned long io_addr)
 EXPORT_SYMBOL(__iop13xx_io);
 
 void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
-	unsigned long flags)
+	unsigned int mtype)
 {
 	void __iomem * retval;
 
@@ -61,9 +61,9 @@ void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
 			         (cookie - IOP13XX_PCIE_LOWER_MEM_RA));
 		break;
 	case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA:
-		retval = __ioremap(IOP13XX_PBI_LOWER_MEM_PA +
-				  (cookie - IOP13XX_PBI_LOWER_MEM_RA),
-				  size, flags);
+		retval = __arm_ioremap(IOP13XX_PBI_LOWER_MEM_PA +
+				       (cookie - IOP13XX_PBI_LOWER_MEM_RA),
+				       size, mtype);
 		break;
 	case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
 		retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie);
@@ -75,7 +75,7 @@ void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
 		retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie);
 		break;
 	default:
-		retval = __ioremap(cookie, size, flags);
+		retval = __arm_ioremap(cookie, size, mtype);
 	}
 
 	return retval;
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index 89ec70ea3187..d85b88fcb7e8 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -88,9 +88,9 @@ void iop13xx_map_pci_memory(void)
 
 				if (end) {
 					iop13xx_atux_mem_base =
-					(u32) __ioremap_pfn(
+					(u32) __arm_ioremap_pfn(
 					__phys_to_pfn(IOP13XX_PCIX_LOWER_MEM_PA)
-					, 0, iop13xx_atux_mem_size, 0);
+					, 0, iop13xx_atux_mem_size, MT_DEVICE);
 					if (!iop13xx_atux_mem_base) {
 						printk("%s: atux allocation "
 						       "failed\n", __FUNCTION__);
@@ -114,9 +114,9 @@ void iop13xx_map_pci_memory(void)
 
 				if (end) {
 					iop13xx_atue_mem_base =
-					(u32) __ioremap_pfn(
+					(u32) __arm_ioremap_pfn(
 					__phys_to_pfn(IOP13XX_PCIE_LOWER_MEM_PA)
-					, 0, iop13xx_atue_mem_size, 0);
+					, 0, iop13xx_atue_mem_size, MT_DEVICE);
 					if (!iop13xx_atue_mem_base) {
 						printk("%s: atue allocation "
 						       "failed\n", __FUNCTION__);
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 216623eece35..d6167ad4e011 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -262,11 +262,10 @@ remap_area_supersections(unsigned long virt, unsigned long pfn,
  * mapping.  See include/asm-arm/proc-armv/pgtable.h for more information.
  */
 void __iomem *
-__ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
-	      unsigned long flags)
+__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
+		  unsigned int mtype)
 {
 	const struct mem_type *type;
-	struct mem_type t;
 	int err;
 	unsigned long addr;
  	struct vm_struct * area;
@@ -277,10 +276,9 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
 	if (pfn >= 0x100000 && (__pfn_to_phys(pfn) & ~SUPERSECTION_MASK))
 		return NULL;
 
-	t = *get_mem_type(MT_DEVICE);
-	t.prot_sect |= flags;
-	t.prot_pte |= flags;
-	type = &t;
+	type = get_mem_type(mtype);
+	if (!type)
+		return NULL;
 
 	size = PAGE_ALIGN(size);
 
@@ -311,10 +309,10 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
 	flush_cache_vmap(addr, addr + size);
 	return (void __iomem *) (offset + addr);
 }
-EXPORT_SYMBOL(__ioremap_pfn);
+EXPORT_SYMBOL(__arm_ioremap_pfn);
 
 void __iomem *
-__ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
+__arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 {
 	unsigned long last_addr;
  	unsigned long offset = phys_addr & ~PAGE_MASK;
@@ -332,9 +330,9 @@ __ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
 	 */
 	size = PAGE_ALIGN(last_addr + 1) - phys_addr;
 
- 	return __ioremap_pfn(pfn, offset, size, flags);
+ 	return __arm_ioremap_pfn(pfn, offset, size, mtype);
 }
-EXPORT_SYMBOL(__ioremap);
+EXPORT_SYMBOL(__arm_ioremap);
 
 void __iounmap(volatile void __iomem *addr)
 {
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 05818fc0c705..8cd3a60954f0 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -62,21 +62,21 @@ void flush_dcache_page(struct page *page)
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
-void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
-			    size_t size, unsigned long flags)
+void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
+				size_t size, unsigned int mtype)
 {
 	if (pfn >= (0x100000000ULL >> PAGE_SHIFT))
 		return NULL;
 	return (void __iomem *) (offset + (pfn << PAGE_SHIFT));
 }
-EXPORT_SYMBOL(__ioremap_pfn);
+EXPORT_SYMBOL(__arm_ioremap_pfn);
 
-void __iomem *__ioremap(unsigned long phys_addr, size_t size,
-			unsigned long flags)
+void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
+			    unsigned int mtype)
 {
 	return (void __iomem *)phys_addr;
 }
-EXPORT_SYMBOL(__ioremap);
+EXPORT_SYMBOL(__arm_ioremap);
 
 void __iounmap(volatile void __iomem *addr)
 {
diff --git a/arch/arm/plat-iop/io.c b/arch/arm/plat-iop/io.c
index f7eccecf2e47..498675d028d0 100644
--- a/arch/arm/plat-iop/io.c
+++ b/arch/arm/plat-iop/io.c
@@ -22,7 +22,7 @@
 #include <asm/io.h>
 
 void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
-	unsigned long flags)
+	unsigned int mtype)
 {
 	void __iomem * retval;
 
@@ -34,7 +34,7 @@ void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
 		retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie);
 		break;
 	default:
-		retval = __ioremap(cookie, size, flags);
+		retval = __arm_ioremap(cookie, size, mtype);
 	}
 
 	return retval;
diff --git a/include/asm-arm/arch-ixp23xx/io.h b/include/asm-arm/arch-ixp23xx/io.h
index 18415a81ac74..66f5bafc315c 100644
--- a/include/asm-arm/arch-ixp23xx/io.h
+++ b/include/asm-arm/arch-ixp23xx/io.h
@@ -23,7 +23,7 @@
 #include <linux/kernel.h>	/* For BUG */
 
 static inline void __iomem *
-ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned long flags)
+ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned int mtype)
 {
 	if (addr >= IXP23XX_PCI_MEM_START &&
 		addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) {
@@ -34,7 +34,7 @@ ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned long flags)
  			((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT);
 	}
 
-	return __ioremap(addr, size, flags);
+	return __arm_ioremap(addr, size, mtype);
 }
 
 static inline void
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index a41ba229c564..b27c910adf9d 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -59,10 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * fallback to the default.
  */
 static inline void __iomem *
-__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags)
+__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned int mtype)
 {
 	if((addr < 0x48000000) || (addr > 0x4fffffff))
-		return __ioremap(addr, size, flags);
+		return __arm_ioremap(addr, size, mtype);
 
 	return (void *)addr;
 }
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 5f60b4220906..8261ff9e7955 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -56,13 +56,22 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
 
 /*
  * Architecture ioremap implementation.
- *
- * __ioremap takes CPU physical address.
- *
- * __ioremap_pfn takes a Page Frame Number and an offset into that page
  */
-extern void __iomem * __ioremap_pfn(unsigned long, unsigned long, size_t, unsigned long);
-extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
+#define MT_DEVICE		0
+#define MT_DEVICE_NONSHARED	1
+#define MT_DEVICE_CACHED	2
+#define MT_DEVICE_IXP2000	3
+/*
+ * types 4 onwards can be found in asm/mach/map.h and are undefined
+ * for ioremap
+ */
+
+/*
+ * __arm_ioremap takes CPU physical address.
+ * __arm_ioremap_pfn takes a Page Frame Number and an offset into that page
+ */
+extern void __iomem * __arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int);
+extern void __iomem * __arm_ioremap(unsigned long, size_t, unsigned int);
 extern void __iounmap(volatile void __iomem *addr);
 
 /*
@@ -203,14 +212,14 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
  *
  */
 #ifndef __arch_ioremap
-#define ioremap(cookie,size)		__ioremap(cookie,size,0)
-#define ioremap_nocache(cookie,size)	__ioremap(cookie,size,0)
-#define ioremap_cached(cookie,size)	__ioremap(cookie,size,L_PTE_CACHEABLE)
+#define ioremap(cookie,size)		__arm_ioremap(cookie, size, MT_DEVICE)
+#define ioremap_nocache(cookie,size)	__arm_ioremap(cookie, size, MT_DEVICE)
+#define ioremap_cached(cookie,size)	__arm_ioremap(cookie, size, MT_DEVICE_CACHED)
 #define iounmap(cookie)			__iounmap(cookie)
 #else
-#define ioremap(cookie,size)		__arch_ioremap((cookie),(size),0)
-#define ioremap_nocache(cookie,size)	__arch_ioremap((cookie),(size),0)
-#define ioremap_cached(cookie,size)	__arch_ioremap((cookie),(size),L_PTE_CACHEABLE)
+#define ioremap(cookie,size)		__arch_ioremap((cookie), (size), MT_DEVICE)
+#define ioremap_nocache(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE)
+#define ioremap_cached(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE_CACHED)
 #define iounmap(cookie)			__arch_iounmap(cookie)
 #endif
 
diff --git a/include/asm-arm/mach/map.h b/include/asm-arm/mach/map.h
index 8afef40730af..7ef3c8390180 100644
--- a/include/asm-arm/mach/map.h
+++ b/include/asm-arm/mach/map.h
@@ -9,6 +9,8 @@
  *
  *  Page table mapping constructs and function prototypes
  */
+#include <asm/io.h>
+
 struct map_desc {
 	unsigned long virtual;
 	unsigned long pfn;
@@ -16,10 +18,7 @@ struct map_desc {
 	unsigned int type;
 };
 
-#define MT_DEVICE		0
-#define MT_DEVICE_NONSHARED	1
-#define MT_DEVICE_CACHED	2
-#define MT_DEVICE_IXP2000	3
+/* types 0-3 are defined in asm/io.h */
 #define MT_CACHECLEAN		4
 #define MT_MINICLEAN		5
 #define MT_LOW_VECTORS		6