arch/arm/mach-integrator/include/mach/hardware.h

   1 /*
   2  *  arch/arm/mach-integrator/include/mach/hardware.h
   3  *
   4  *  This file contains the hardware definitions of the Integrator.
   5  *
   6  *  Copyright (C) 1999 ARM Limited.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22 #ifndef __ASM_ARCH_HARDWARE_H
  23 #define __ASM_ARCH_HARDWARE_H
  24
  25 #include <asm/sizes.h>
  26
  27 /*
  28  * Where in virtual memory the IO devices (timers, system controllers
  29  * and so on)
  30  */
  31 #define IO_BASE                 0xF0000000                 // VA of IO
  32 #define IO_SIZE                 0x0B000000                 // How much?
  33 #define IO_START                INTEGRATOR_HDR_BASE        // PA of IO
  34
  35 /* macro to get at IO space when running virtually */
  36 #ifdef CONFIG_MMU
  37 #define IO_ADDRESS(x)   (((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)
  38 #else
  39 #define IO_ADDRESS(x)   (x)
  40 #endif
  41
  42 #define __io_address(n)         ((void __iomem *)IO_ADDRESS(n))
  43
  44 #endif
  45