/* * Flash device on Lasat 100 and 200 boards * * (C) 2002 Brian Murphy <brian@murphy.dk> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * $Id: lasat.c,v 1.2 2007/09/21 03:09:24 quy Exp $ * */#include <linux/module.h>#include <linux/types.h>#include <linux/kernel.h>#include <linux/init.h>#include <asm/io.h>#include <linux/mtd/mtd.h>#include <linux/mtd/map.h>#include <linux/mtd/partitions.h>#include <linux/config.h>#include <asm/lasat/lasat.h>static struct mtd_info *lasat_mtd;static struct mtd_partition partition_info[LASAT_MTD_LAST];static char *lasat_mtd_partnames[] = {"Bootloader", "Service", "Normal", "Filesystem", "Config"};static void lasat_set_vpp(struct map_info *map, int vpp){	if (vpp)	    *lasat_misc->flash_wp_reg |= 1 << lasat_misc->flash_wp_bit;	else	    *lasat_misc->flash_wp_reg &= ~(1 << lasat_misc->flash_wp_bit);}static struct map_info lasat_map = {	.name = "LASAT flash",	.bankwidth = 4,	.set_vpp = lasat_set_vpp};static int __init init_lasat(void){	int i;	/* since we use AMD chips and set_vpp is not implimented	 * for these (yet) we still have to permanently enable flash write */	printk(KERN_NOTICE "Unprotecting flash\n");	ENABLE_VPP((&lasat_map));	lasat_map.phys = lasat_flash_partition_start(LASAT_MTD_BOOTLOADER);	lasat_map.virt = (unsigned long)ioremap_nocache(		        lasat_map.phys, lasat_board_info.li_flash_size);	lasat_map.size = lasat_board_info.li_flash_size;	simple_map_init(&lasat_map);	for (i=0; i < LASAT_MTD_LAST; i++)		partition_info[i].name = lasat_mtd_partnames[i];	lasat_mtd = do_map_probe("cfi_probe", &lasat_map);	if (!lasat_mtd)	    lasat_mtd = do_map_probe("jedec_probe", &lasat_map);	if (lasat_mtd) {		u32 size, offset = 0;		lasat_mtd->owner = THIS_MODULE;		for (i=0; i < LASAT_MTD_LAST; i++) {			size = lasat_flash_partition_size(i);			partition_info[i].size = size;			partition_info[i].offset = offset;			offset += size;		}		add_mtd_partitions( lasat_mtd, partition_info, LASAT_MTD_LAST );		return 0;	}	return -ENXIO;}static void __exit cleanup_lasat(void){	if (lasat_mtd) {		del_mtd_partitions(lasat_mtd);		map_destroy(lasat_mtd);	}	if (lasat_map.virt) {		lasat_map.virt = 0;	}}module_init(init_lasat);module_exit(cleanup_lasat);MODULE_LICENSE("GPL");MODULE_AUTHOR("Brian Murphy <brian@murphy.dk>");MODULE_DESCRIPTION("Lasat Safepipe/Masquerade MTD map driver");