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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 1.17 2004/11/16 18:29:02 dwmw2 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");
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