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Viewing changes to arch/arm/mach-integrator/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-integrator/include/mach/memory.h
 
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/*
 
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 *  arch/arm/mach-integrator/include/mach/memory.h
 
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 *
 
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 *  Copyright (C) 1999 ARM Limited
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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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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/*
 
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 * Physical DRAM offset.
 
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 */
 
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#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
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#define BUS_OFFSET      UL(0x80000000)
 
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#define __virt_to_bus(x)        ((x) - PAGE_OFFSET + BUS_OFFSET)
 
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#define __bus_to_virt(x)        ((x) - BUS_OFFSET + PAGE_OFFSET)
 
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#define __pfn_to_bus(x)         (__pfn_to_phys(x) + (BUS_OFFSET - PHYS_OFFSET))
 
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#define __bus_to_pfn(x)         __phys_to_pfn((x) - (BUS_OFFSET - PHYS_OFFSET))
 
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#endif