release/src-rt-6.x/linux/linux-2.6/arch/sh64/mach-cayman/iomap.c

   1 /*
   2  * arch/sh64/mach-cayman/iomap.c
   3  *
   4  * Cayman iomap interface
   5  *
   6  * Copyright (C) 2004  Paul Mundt
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  */
  12 #include <asm/io.h>
  13 #include <asm/cayman.h>
  14
  15 void __iomem *ioport_map(unsigned long port, unsigned int len)
  16 {
  17         if (port < 0x400)
  18                 return (void __iomem *)((port << 2) | smsc_superio_virt);
  19
  20         return (void __iomem *)port;
  21 }
  22