arch/arm/mach-zynq/include/mach/io.h

   1 /* arch/arm/mach-zynq/include/mach/io.h
   2  *
   3  *  Copyright (C) 2011 Xilinx
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __MACH_IO_H__
  16 #define __MACH_IO_H__
  17
  18 /* Allow IO space to be anywhere in the memory */
  19
  20 #define IO_SPACE_LIMIT 0xffff
  21
  22 /* IO address mapping macros, nothing special at this time but required */
  23
  24 #ifdef __ASSEMBLER__
  25 #define IOMEM(x)                (x)
  26 #else
  27 #define IOMEM(x)                ((void __force __iomem *)(x))
  28 #endif
  29
  30 #define __io(a)                 __typesafe_io(a)
  31 #define __mem_pci(a)            (a)
  32
  33 #endif