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Viewing changes to arch/arm/mach-ixp23xx/include/mach/memory.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/arm/mach-ixp23xx/include/mach/memory.h
 
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/*
 
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 * arch/arm/mach-ixp23xx/include/mach/memory.h
 
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 *
 
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 * Copyright (c) 2003-2004 Intel Corp.
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify it
 
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 * under the terms of the GNU General Public License as published by the
 
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 * Free Software Foundation; either version 2 of the License, or (at your
 
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 * option) any later version.
 
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 */
 
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#ifndef __ASM_ARCH_MEMORY_H
 
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#define __ASM_ARCH_MEMORY_H
 
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#include <mach/hardware.h>
 
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/*
 
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 * Physical DRAM offset.
 
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 */
 
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#define PLAT_PHYS_OFFSET                (0x00000000)
 
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#define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)
 
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#define __phys_to_bus(x)        ((x) + (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
 
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#define __bus_to_phys(x)        ((x) - (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
 
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#define __virt_to_bus(v)        __phys_to_bus(__virt_to_phys(v))
 
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#define __bus_to_virt(b)        __phys_to_virt(__bus_to_phys(b))
 
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#define __pfn_to_bus(p)         __phys_to_bus(__pfn_to_phys(p))
 
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#define __bus_to_pfn(b)         __phys_to_pfn(__bus_to_phys(b))
 
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#define arch_is_coherent()      1
 
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#endif