LXR linux/arch/arm/mach-clps711x/board-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                },
  43        },
  44};
  45
  46typedef struct tag_IMAGE_PARAMS
  47{
  48        int     ramdisk_ok;
  49        int     ramdisk_address;
  50        int     ramdisk_size;
  51        int     ram_size;
  52        int     extra_param_type;
  53        int     extra_param_ptr;
  54        int     command_line;
  55} IMAGE_PARAMS;
  56
  57#define IMAGE_PARAMS_PHYS       0xC01F0000
  58
  59static void __init
  60fortunet_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
  61{
  62        IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
  63        *cmdline = phys_to_virt(ip->command_line);
  64#ifdef CONFIG_BLK_DEV_INITRD
  65        if(ip->ramdisk_ok)
  66        {
  67                initrd_start = __phys_to_virt(ip->ramdisk_address);
  68                initrd_end = initrd_start + ip->ramdisk_size;
  69        }
  70#endif
  71        memmap.bank[0].size = ip->ram_size;
  72        *mi = memmap;
  73}
  74
  75MACHINE_START(FORTUNET, "ARM-FortuNet")
  76        /* Maintainer: FortuNet Inc. */
  77        .nr_irqs        = CLPS711X_NR_IRQS,
  78        .fixup          = fortunet_fixup,
  79        .map_io         = clps711x_map_io,
  80        .init_irq       = clps711x_init_irq,
  81        .init_time      = clps711x_timer_init,
  82        .handle_irq     = clps711x_handle_irq,
  83        .restart        = clps711x_restart,
  84MACHINE_END
  85