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fortunet.c

/*
 *  linux/arch/arm/mach-clps711x/fortunet.c
 *
 *  Derived from linux/arch/arm/mach-integrator/arch.c
 *
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <linux/types.h>
#include <linux/init.h>
#include <linux/initrd.h>

#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/memory.h>

#include "common.h"

struct meminfo memmap = {
      .nr_banks   = 1,
      .bank       = {
            {
                  .start      = 0xC0000000,
                  .size = 0x01000000,
                  .node = 0
            },
      },
};

typedef struct tag_IMAGE_PARAMS
{
      int   ramdisk_ok;
      int   ramdisk_address;
      int   ramdisk_size;
      int   ram_size;
      int   extra_param_type;
      int   extra_param_ptr;
      int   command_line;
} IMAGE_PARAMS;

#define IMAGE_PARAMS_PHYS     0xC01F0000

static void __init
fortunet_fixup(struct machine_desc *desc, struct tag *tags,
             char **cmdline, struct meminfo *mi)
{
      IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
      *cmdline = phys_to_virt(ip->command_line);
#ifdef CONFIG_BLK_DEV_INITRD
      if(ip->ramdisk_ok)
      {
            initrd_start = __phys_to_virt(ip->ramdisk_address);
            initrd_end = initrd_start + ip->ramdisk_size;
      }
#endif
      memmap.bank[0].size = ip->ram_size;
      *mi = memmap;
}

MACHINE_START(FORTUNET, "ARM-FortuNet")
      /* Maintainer: FortuNet Inc. */
      .phys_io    = 0x80000000,
      .io_pg_offst      = ((0xf0000000) >> 18) & 0xfffc,
      .boot_params      = 0x00000000,
      .fixup            = fortunet_fixup,
      .map_io           = clps711x_map_io,
      .init_irq   = clps711x_init_irq,
      .timer            = &clps711x_timer,
MACHINE_END

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