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diff --git a/include/asm-arm/arch-cl7500/memory.h b/include/asm-arm/arch-cl7500/memory.h
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+/*
+ * linux/include/asm-arm/arch-cl7500/memory.h
+ *
+ * Copyright (c) 1996,1997,1998 Russell King.
+ *
+ * Changelog:
+ * 20-Oct-1996 RMK Created
+ * 31-Dec-1997 RMK Fixed definitions to reduce warnings
+ * 11-Jan-1998 RMK Uninlined to reduce hits on cache
+ * 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt
+ * 21-Mar-1999 RMK Renamed to memory.h
+ * RMK Added TASK_SIZE and PAGE_OFFSET
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET (0x10000000UL)
+
+/*
+ * These are exactly the same on the RiscPC as the
+ * physical memory view.
+ */
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+#endif