1 files changed, 23 insertions, 12 deletions

diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 5f60b4220906..1d3caa42a386 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
 
@@ -250,9 +259,11 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr);
 #define BIOVEC_MERGEABLE(vec1, vec2)    \
         ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
 
+#ifdef CONFIG_MMU
 #define ARCH_HAS_VALID_PHYS_ADDR_RANGE
 extern int valid_phys_addr_range(unsigned long addr, size_t size);
 extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
+#endif
 
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem