arch/arm/mach-ks8695/mm.c

   1 /*
   2  *  linux/arch/arm/mach-ks8695/mm.c
   3  *
   4  *  Copyright (C) 1999,2000 Arm Limited
   5  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <linux/mm.h>
  23 #include <linux/init.h>
  24 #include <asm/io.h>
  25 #include <asm/page.h>
  26 #include <asm/sizes.h>
  27 #include <asm/mach/map.h>
  28
  29 /*
  30  * The only fixed mapping we setup is for the internal register block.
  31  * This contains the all the device peripheral registers.
  32  *
  33  * Logical      Physical        Comment
  34  * -----------------------------------------
  35  * FF000000     03FF0000        IO registers
  36  */
  37 static struct map_desc ks8695_io_desc[] __initdata = {
  38         {
  39                 .virtual        = KS8695_IO_VIRT,
  40                 .pfn            = __phys_to_pfn(KS8695_IO_BASE),
  41                 .length         = SZ_64K,
  42                 .type           = MT_DEVICE
  43         },
  44 };
  45
  46 void __init ks8695_map_io(void)
  47 {
  48         iotable_init(ks8695_io_desc, ARRAY_SIZE(ks8695_io_desc));
  49 }
  50