linux-old/include/asm-arm/arch-omaha/io.h
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   1/*
   2 *  linux/include/asm-arm/arch-omaha/io.h
   3 *
   4 *  Copyright (C) 1999-2002 ARM Limited
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20#ifndef __ASM_ARM_ARCH_IO_H
  21#define __ASM_ARM_ARCH_IO_H
  22
  23#define IO_SPACE_LIMIT 0xffffffff
  24
  25#define __io(a)                 ((a))
  26#define __mem_pci(a)            ((unsigned long)(a))
  27#define __mem_isa(a)            ((unsigned long)(a))
  28
  29/*
  30 * Generic virtual read/write
  31 */
  32#define __arch_getw(a)          (*(volatile unsigned short *)(a))
  33#define __arch_putw(v,a)        (*(volatile unsigned short *)(a) = (v))
  34
  35// Validate io memory...
  36#define iomem_valid_addr(iomem,size)    (1)
  37
  38/*
  39 * Convert PCI memory space to a CPU physical address
  40 */
  41#define iomem_to_phys(iomem)    (iomem)
  42
  43#endif
  44
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