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/*

 *      pnc2000.c - mapper for Photron PNC-2000 board.

 *

 * Copyright (C) 2000 Crossnet Co. <info@crossnet.co.jp>

 *

 * This code is GPL

 *

 * $Id: pnc2000.c,v 1.18 2005/11/07 11:14:28 gleixner Exp $

 */

#include <linux/module.h>

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/map.h>

#include <linux/mtd/partitions.h>

#define WINDOW_ADDR 0xbf000000

#define WINDOW_SIZE 0x00400000

/*

 * MAP DRIVER STUFF

 */

static struct map_info pnc_map = {

        .name = "PNC-2000",

        .size = WINDOW_SIZE,

        .bankwidth = 4,

        .phys = 0xFFFFFFFF,

        .virt = (void __iomem *)WINDOW_ADDR,

};

/*

 * MTD 'PARTITIONING' STUFF

 */

static struct mtd_partition pnc_partitions[3] = {

        {

                .name = "PNC-2000 boot firmware",

                .size = 0x20000,

                .offset = 0

        },

        {

                .name = "PNC-2000 kernel",

                .size = 0x1a0000,

                .offset = 0x20000

        },

        {

                .name = "PNC-2000 filesystem",

                .size = 0x240000,

                .offset = 0x1c0000

        }

};

/*

 * This is the master MTD device for which all the others are just

 * auto-relocating aliases.

 */

static struct mtd_info *mymtd;

static int __init init_pnc2000(void)

{

        printk(KERN_NOTICE "Photron PNC-2000 flash mapping: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);

        simple_map_init(&pnc_map);

        mymtd = do_map_probe("cfi_probe", &pnc_map);

        if (mymtd) {

                mymtd->owner = THIS_MODULE;

                return add_mtd_partitions(mymtd, pnc_partitions, 3);

        }

        return -ENXIO;

}

static void __exit cleanup_pnc2000(void)

{

        if (mymtd) {

                del_mtd_partitions(mymtd);

                map_destroy(mymtd);

        }

}

module_init(init_pnc2000);

module_exit(cleanup_pnc2000);

MODULE_LICENSE("GPL");

MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp>");

MODULE_DESCRIPTION("MTD map driver for Photron PNC-2000 board");