arch/arm/mach-orion5x/include/mach/io.h

   1 /*
   2  * arch/arm/mach-orion5x/include/mach/io.h
   3  *
   4  * Tzachi Perelstein <tzachi@marvell.com>
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #ifndef __ASM_ARCH_IO_H
  12 #define __ASM_ARCH_IO_H
  13
  14 #include "orion5x.h"
  15
  16 #define IO_SPACE_LIMIT          0xffffffff
  17
  18 #define __io(a)                 __typesafe_io(a)
  19 #define __mem_pci(a)            (a)
  20
  21
  22 /*****************************************************************************
  23  * Helpers to access Orion registers
  24  ****************************************************************************/
  25 /*
  26  * These are not preempt-safe.  Locks, if needed, must be taken
  27  * care of by the caller.
  28  */
  29 #define orion5x_setbits(r, mask)        writel(readl(r) | (mask), (r))
  30 #define orion5x_clrbits(r, mask)        writel(readl(r) & ~(mask), (r))
  31
  32
  33 #endif