LXR linux/arch/arm/mach-clps711x/autcpu12.c

   1/*
   2 *  linux/arch/arm/mach-clps711x/autcpu12.c
   3 *
   4 * (c) 2001 Thomas Gleixner, autronix automation <gleixner@autronix.de>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20#include <linux/kernel.h>
  21#include <linux/init.h>
  22#include <linux/types.h>
  23#include <linux/string.h>
  24#include <linux/mm.h>
  25#include <linux/io.h>
  26
  27#include <mach/hardware.h>
  28#include <asm/sizes.h>
  29#include <asm/setup.h>
  30#include <asm/mach-types.h>
  31#include <asm/mach/arch.h>
  32#include <asm/pgtable.h>
  33#include <asm/page.h>
  34
  35#include <asm/mach/map.h>
  36#include <mach/autcpu12.h>
  37
  38#include "common.h"
  39
  40/*
  41 * The on-chip registers are given a size of 1MB so that a section can
  42 * be used to map them; this saves a page table.  This is the place to
  43 * add mappings for ROM, expansion memory, PCMCIA, etc.  (if static
  44 * mappings are chosen for those areas).
  45 *
  46*/
  47
  48static struct map_desc autcpu12_io_desc[] __initdata = {
  49        /* memory-mapped extra io and CS8900A Ethernet chip */
  50        /* ethernet chip */
  51        {
  52                .virtual        = AUTCPU12_VIRT_CS8900A,
  53                .pfn            = __phys_to_pfn(AUTCPU12_PHYS_CS8900A),
  54                .length         = SZ_1M,
  55                .type           = MT_DEVICE
  56        }
  57};
  58
  59void __init autcpu12_map_io(void)
  60{
  61        clps711x_map_io();
  62        iotable_init(autcpu12_io_desc, ARRAY_SIZE(autcpu12_io_desc));
  63}
  64
  65MACHINE_START(AUTCPU12, "autronix autcpu12")
  66        /* Maintainer: Thomas Gleixner */
  67        .phys_io        = 0x80000000,
  68        .io_pg_offst    = ((0xff000000) >> 18) & 0xfffc,
  69        .boot_params    = 0xc0020000,
  70        .map_io         = autcpu12_map_io,
  71        .init_irq       = clps711x_init_irq,
  72        .timer          = &clps711x_timer,
  73MACHINE_END
  74
  75