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

   1/*
   2 *  linux/arch/arm/mach-clps711x/fortunet.c
   3 *
   4 *  Derived from linux/arch/arm/mach-integrator/arch.c
   5 *
   6 *  Copyright (C) 2000 Deep Blue Solutions Ltd
   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/types.h>
  23#include <linux/init.h>
  24#include <linux/initrd.h>
  25
  26#include <mach/hardware.h>
  27#include <asm/setup.h>
  28#include <asm/mach-types.h>
  29
  30#include <asm/mach/arch.h>
  31
  32#include <asm/memory.h>
  33
  34#include "common.h"
  35
  36struct meminfo memmap = {
  37        .nr_banks       = 1,
  38        .bank           = {
  39                {
  40                        .start  = 0xC0000000,
  41                        .size   = 0x01000000,
  42                        .node   = 0
  43                },
  44        },
  45};
  46
  47typedef struct tag_IMAGE_PARAMS
  48{
  49        int     ramdisk_ok;
  50        int     ramdisk_address;
  51        int     ramdisk_size;
  52        int     ram_size;
  53        int     extra_param_type;
  54        int     extra_param_ptr;
  55        int     command_line;
  56} IMAGE_PARAMS;
  57
  58#define IMAGE_PARAMS_PHYS       0xC01F0000
  59
  60static void __init
  61fortunet_fixup(struct machine_desc *desc, struct tag *tags,
  62                 char **cmdline, struct meminfo *mi)
  63{
  64        IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
  65        *cmdline = phys_to_virt(ip->command_line);
  66#ifdef CONFIG_BLK_DEV_INITRD
  67        if(ip->ramdisk_ok)
  68        {
  69                initrd_start = __phys_to_virt(ip->ramdisk_address);
  70                initrd_end = initrd_start + ip->ramdisk_size;
  71        }
  72#endif
  73        memmap.bank[0].size = ip->ram_size;
  74        *mi = memmap;
  75}
  76
  77MACHINE_START(FORTUNET, "ARM-FortuNet")
  78        /* Maintainer: FortuNet Inc. */
  79        .phys_io        = 0x80000000,
  80        .io_pg_offst    = ((0xf0000000) >> 18) & 0xfffc,
  81        .boot_params    = 0x00000000,
  82        .fixup          = fortunet_fixup,
  83        .map_io         = clps711x_map_io,
  84        .init_irq       = clps711x_init_irq,
  85        .timer          = &clps711x_timer,
  86MACHINE_END
  87