arch/arm/mach-ixp2000/include/mach/memory.h

   1 /*
   2  * arch/arm/mach-ixp2000/include/mach/memory.h
   3  *
   4  * Copyright (c) 2002 Intel Corp.
   5  * Copyright (c) 2003-2004 MontaVista Software, Inc.
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #ifndef __ASM_ARCH_MEMORY_H
  14 #define __ASM_ARCH_MEMORY_H
  15
  16 #define PHYS_OFFSET     UL(0x00000000)
  17
  18 #include <mach/ixp2000-regs.h>
  19
  20 #define __virt_to_bus(v) \
  21         (((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)))
  22
  23 #define __bus_to_virt(b) \
  24         __phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0)))
  25
  26 #endif
  27