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authorDeepak Saxena <dsaxena@plexity.net>2005-10-28 15:19:11 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-28 15:19:11 +0100
commit9769c2468d423a1562dd59a5db250bd0a5533ec9 (patch)
treed584ad444ed8bd5d1abfc197c918dfc6a9af7ddb /include/asm-arm/mach
parentc8d2729858d76de4ef7522c8171004fc1959cc44 (diff)
[ARM] 3016/1: Replace map_desc.physical with map_desc.pfn
Patch from Deepak Saxena Convert map_desc.physical to map_desc.pfn. This allows us to add support for 36-bit addressed physical devices in the static maps without having to resort to u64 variables. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/mach')
-rw-r--r--include/asm-arm/mach/map.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-arm/mach/map.h b/include/asm-arm/mach/map.h
index 9ac47cf8d2e4..0619522bd926 100644
--- a/include/asm-arm/mach/map.h
+++ b/include/asm-arm/mach/map.h
@@ -11,7 +11,7 @@
*/
struct map_desc {
unsigned long virtual;
- unsigned long physical;
+ unsigned long pfn;
unsigned long length;
unsigned int type;
};
@@ -27,6 +27,9 @@ struct meminfo;
#define MT_ROM 6
#define MT_IXP2000_DEVICE 7
+#define __phys_to_pfn(paddr) (paddr >> PAGE_SHIFT)
+#define __pfn_to_phys(pfn) (pfn << PAGE_SHIFT)
+
extern void create_memmap_holes(struct meminfo *);
extern void memtable_init(struct meminfo *);
extern void iotable_init(struct map_desc *, int);