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 * Copyright 2003 ARM Limited
 * Copyright 2008 Cavium Networks
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, Version 2, as
 * published by the Free Software Foundation.

#ifndef __MACH_MEMORY_H
#define __MACH_MEMORY_H

 * Physical DRAM offset.
#define PHYS_OFFSET           UL(0x00000000)

#define __phys_to_bus(x)      ((x) + PHYS_OFFSET)
#define __bus_to_phys(x)      ((x) - PHYS_OFFSET)

#define __virt_to_bus(v)      __phys_to_bus(__virt_to_phys(v))
#define __bus_to_virt(b)      __phys_to_virt(__bus_to_phys(b))
#define __pfn_to_bus(p)       __phys_to_bus(__pfn_to_phys(p))
#define __bus_to_pfn(b)       __phys_to_pfn(__bus_to_phys(b))


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