/* * sharpsl-flash.c * * Copyright (C) 2001 Lineo Japan, Inc. * Copyright (C) 2002  SHARP * * $Id: sharpsl-flash.c,v 1.7 2005/11/07 11:14:28 gleixner Exp $ * * based on rpxlite.c,v 1.15 2001/10/02 15:05:14 dwmw2 Exp *          Handle mapping of the flash on the RPX Lite and CLLF boards * * 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. * */#include <linux/module.h>#include <linux/types.h>#include <linux/kernel.h>#include <linux/mtd/mtd.h>#include <linux/mtd/map.h>#include <linux/mtd/partitions.h>#include <asm/io.h>#include <asm/mach-types.h>#define WINDOW_ADDR 0x00000000#define WINDOW_SIZE 0x00800000#define BANK_WIDTH 2static struct mtd_info *mymtd;struct map_info sharpsl_map = {	.name = "sharpsl-flash",	.size = WINDOW_SIZE,	.bankwidth = BANK_WIDTH,	.phys = WINDOW_ADDR};static struct mtd_partition sharpsl_partitions[1] = {	{		name:		"Boot PROM Filesystem",	}};#define NB_OF(x)  (sizeof(x)/sizeof(x[0]))int __init init_sharpsl(void){	struct mtd_partition *parts;	int nb_parts = 0;	char *part_type = "static";	printk(KERN_NOTICE "Sharp SL series flash device: %x at %x\n",		WINDOW_SIZE, WINDOW_ADDR);	sharpsl_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);	if (!sharpsl_map.virt) {		printk("Failed to ioremap\n");		return -EIO;	}	simple_map_init(&sharpsl_map);	mymtd = do_map_probe("map_rom", &sharpsl_map);	if (!mymtd) {		iounmap(sharpsl_map.virt);		return -ENXIO;	}	mymtd->owner = THIS_MODULE;	if (machine_is_corgi() || machine_is_shepherd() || machine_is_husky()		|| machine_is_poodle()) {		sharpsl_partitions[0].size=0x006d0000;		sharpsl_partitions[0].offset=0x00120000;	} else if (machine_is_tosa()) {		sharpsl_partitions[0].size=0x006a0000;		sharpsl_partitions[0].offset=0x00160000;	} else if (machine_is_spitz() || machine_is_akita() || machine_is_borzoi()) {		sharpsl_partitions[0].size=0x006b0000;		sharpsl_partitions[0].offset=0x00140000;	} else {		map_destroy(mymtd);		iounmap(sharpsl_map.virt);		return -ENODEV;	}	parts = sharpsl_partitions;	nb_parts = NB_OF(sharpsl_partitions);	printk(KERN_NOTICE "Using %s partision definition\n", part_type);	add_mtd_partitions(mymtd, parts, nb_parts);	return 0;}static void __exit cleanup_sharpsl(void){	if (mymtd) {		del_mtd_partitions(mymtd);		map_destroy(mymtd);	}	if (sharpsl_map.virt) {		iounmap(sharpsl_map.virt);		sharpsl_map.virt = 0;	}}module_init(init_sharpsl);module_exit(cleanup_sharpsl);MODULE_LICENSE("GPL");MODULE_AUTHOR("SHARP (Original: Arnold Christensen <AKC@pel.dk>)");MODULE_DESCRIPTION("MTD map driver for SHARP SL series");