mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-20 10:06:00 +03:00
97d83df815
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6777 3c298f89-4303-0410-b956-a3cf2f4a3e73
116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/*
|
|
* $Id$
|
|
* Copyright (C) 2005 Gemtek Corporation, Dante Su (dante_su@gemtek.com.tw)
|
|
* Copyright (C) 2006 Florian Fainelli <florian@openwrt.org>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <asm/io.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/vmalloc.h>
|
|
|
|
#define WINDOW_ADDR 0xFFC00000
|
|
#define WINDOW_SIZE 0x00400000
|
|
#define BUSWIDTH 2
|
|
|
|
extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long fis_origin);
|
|
|
|
static struct mtd_partition *parsed_parts;
|
|
static struct mtd_info *rdc3210_mtd_info;
|
|
|
|
static struct map_info rdc3210_map = {
|
|
.name = "rdc3210",
|
|
.size = WINDOW_SIZE,
|
|
.bankwidth = BUSWIDTH,
|
|
.phys = WINDOW_ADDR,
|
|
};
|
|
|
|
static struct mtd_partition rdc3210_parts[] = {
|
|
{ name: "linux", offset: 0, size: 0x003C0000 }, /* 3840 KB = (Kernel + ROMFS) = (768 KB + 3072 KB) */
|
|
{ name: "romfs", offset: 0x000C0000, size: 0x00300000 }, /* 3072 KB */
|
|
{ name: "nvram", offset: 0x003C0000, size: 0x00010000 }, /* 64 KB */
|
|
{ name: "factory", offset: 0x003D0000, size: 0x00010000 }, /* 64 KB */
|
|
{ name: "bootldr", offset: 0x003E0000, size: 0x00020000, mask_flags: MTD_WRITEABLE },/* 128 KB */
|
|
};
|
|
|
|
static int __init rdc3210_mtd_init(void)
|
|
{
|
|
printk(KERN_INFO "rdc3210: 0x%08x at 0x%08x\n", WINDOW_SIZE, WINDOW_ADDR);
|
|
rdc3210_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
|
|
|
|
if (!rdc3210_map.virt) {
|
|
printk(KERN_ERR "rdc3210: failed to ioremap\n");
|
|
return -EIO;
|
|
}
|
|
|
|
simple_map_init(&rdc3210_map);
|
|
|
|
rdc3210_mtd_info = do_map_probe("cfi_probe", &rdc3210_map);
|
|
|
|
if (rdc3210_mtd_info)
|
|
{
|
|
rdc3210_mtd_info->owner = THIS_MODULE;
|
|
int parsed_nr_parts = 0;
|
|
char * part_type;
|
|
|
|
#ifdef CONFIG_MTD_REDBOOT_PARTS
|
|
if (parsed_nr_parts == 0)
|
|
{
|
|
int ret = parse_redboot_partitions(rdc3210_mtd_info, &parsed_parts, 0);
|
|
if (ret > 0)
|
|
{
|
|
part_type = "RedBoot";
|
|
parsed_nr_parts = ret;
|
|
} else {
|
|
printk(KERN_ERR "rdc3210: failed to parse RedBoot partitions, using static mapping\n");
|
|
add_mtd_partitions(rdc3210_mtd_info, rdc3210_parts, sizeof(rdc3210_parts)/sizeof(rdc3210_parts[0]));
|
|
return -ENXIO;
|
|
}
|
|
}
|
|
|
|
add_mtd_partitions(rdc3210_mtd_info, parsed_parts, parsed_nr_parts);
|
|
return 0;
|
|
}
|
|
#endif
|
|
iounmap(rdc3210_map.virt);
|
|
return -ENXIO;
|
|
}
|
|
|
|
static void __exit rdc3210_mtd_cleanup(void)
|
|
{
|
|
if (rdc3210_mtd_info)
|
|
{
|
|
del_mtd_partitions(rdc3210_mtd_info);
|
|
map_destroy(rdc3210_mtd_info);
|
|
}
|
|
|
|
if (rdc3210_map.virt) {
|
|
iounmap(rdc3210_map.virt);
|
|
rdc3210_map.virt = 0;
|
|
}
|
|
}
|
|
|
|
module_init(rdc3210_mtd_init);
|
|
module_exit(rdc3210_mtd_cleanup);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("RDC3210 flash map driver");
|
|
MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
|