include/asm-arm/arch-mxc/io.h

   1 /*
   2  *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   3  */
   4
   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 version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 /*!
  12  * @file io.h
  13  * @brief This file contains some memory mapping macros.
  14  * @note There is no real ISA or PCI buses. But have to define these macros
  15  * for some drivers to compile.
  16  *
  17  * @ingroup System
  18  */
  19
  20 #ifndef __ASM_ARCH_MXC_IO_H__
  21 #define __ASM_ARCH_MXC_IO_H__
  22
  23 /*! Allow IO space to be anywhere in the memory */
  24 #define IO_SPACE_LIMIT 0xffffffff
  25
  26 /*!
  27  * io address mapping macro
  28  */
  29 #define __io(a)                 ((void __iomem *)(a))
  30
  31 #define __mem_pci(a)            (a)
  32
  33 #endif