arch/arm/mach-epxa10db/mm.c

   1 /*
   2  *  linux/arch/arm/mach-epxa10db/mm.c
   3  *
   4  *  MM routines for Altera'a Epxa10db board
   5  *
   6  *  Copyright (C) 2001 Altera Corporation
   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 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24
  25 #include <asm/hardware.h>
  26 #include <asm/io.h>
  27 #include <asm/sizes.h>
  28
  29 #include <asm/mach/map.h>
  30
  31 /* Page table mapping for I/O region */
  32
  33 static struct map_desc epxa10db_io_desc[] __initdata = {
  34  { IO_ADDRESS(EXC_REGISTERS_BASE),   EXC_REGISTERS_BASE,    SZ_16K, MT_DEVICE },
  35  { IO_ADDRESS(EXC_PLD_BLOCK0_BASE),  EXC_PLD_BLOCK0_BASE,   SZ_16K, MT_DEVICE },
  36  { IO_ADDRESS(EXC_PLD_BLOCK1_BASE),  EXC_PLD_BLOCK1_BASE,   SZ_16K, MT_DEVICE },
  37  { IO_ADDRESS(EXC_PLD_BLOCK2_BASE),  EXC_PLD_BLOCK2_BASE,   SZ_16K, MT_DEVICE },
  38  { IO_ADDRESS(EXC_PLD_BLOCK3_BASE),  EXC_PLD_BLOCK3_BASE,   SZ_16K, MT_DEVICE },
  39  { FLASH_VADDR(EXC_EBI_BLOCK0_BASE), EXC_EBI_BLOCK0_BASE,   SZ_16M, MT_DEVICE }
  40 };
  41
  42 void __init epxa10db_map_io(void)
  43 {
  44         iotable_init(epxa10db_io_desc, ARRAY_SIZE(epxa10db_io_desc));
  45 }