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/*
* drivers/mtd/maps/pq2fads.c
*
* Mapping for the flash SIMM on 8272ADS and PQ2FADS board
*
* Author: Vitaly Bordug <vbordug@ru.mvista.com>
*
* 2005 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/ppcboot.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
/*
NOTE: bank width and interleave relative to the installed flash
should have been chosen within MTD_CFI_GEOMETRY options.
*/
#define PQ2FADS_BANK_WIDTH 4
static struct mtd_partition pq2fads_partitions[] = {
{
#ifdef CONFIG_ADS8272
.name = "HRCW",
.size = 0x40000,
.offset = 0,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "User FS",
.size = 0x5c0000,
.offset = 0x40000,
#else
.name = "User FS",
.size = 0x600000,
.offset = 0,
#endif
}, {
.name = "uImage",
.size = 0x100000,
.offset = 0x600000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "bootloader",
.size = 0x40000,
.offset = 0x700000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "bootloader env",
.size = 0x40000,
.offset = 0x740000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}
};
/* pointer to MPC885ADS board info data */
extern unsigned char __res[];
static int __init init_pq2fads_mtd(void)
{
bd_t *bd = (bd_t *)__res;
physmap_configure(bd->bi_flashstart, bd->bi_flashsize, PQ2FADS_BANK_WIDTH, NULL);
physmap_set_partitions(pq2fads_partitions,
sizeof (pq2fads_partitions) /
sizeof (pq2fads_partitions[0]));
return 0;
}
static void __exit cleanup_pq2fads_mtd(void)
{
}
module_init(init_pq2fads_mtd);
module_exit(cleanup_pq2fads_mtd);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MTD map and partitions for MPC8272ADS boards");
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