2 * $Id: iq80310.c,v 1.20 2004/11/04 13:24:15 gleixner Exp $
4 * Mapping for the Intel XScale IQ80310 evaluation board
6 * Author: Nicolas Pitre
7 * Copyright: (C) 2001 MontaVista Software Inc.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/module.h>
15 #include <linux/types.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/slab.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/map.h>
22 #include <linux/mtd/partitions.h>
26 #define WINDOW_SIZE 8*1024*1024
29 static struct mtd_info
*mymtd
;
31 static struct map_info iq80310_map
= {
32 .name
= "IQ80310 flash",
34 .bankwidth
= BUSWIDTH
,
38 static struct mtd_partition iq80310_partitions
[4] = {
43 .mask_flags
= MTD_WRITEABLE
/* force read-only */
56 .mask_flags
= MTD_WRITEABLE
60 static struct mtd_info
*mymtd
;
61 static struct mtd_partition
*parsed_parts
;
62 static const char *probes
[] = { "RedBoot", "cmdlinepart", NULL
};
64 static int __init
init_iq80310(void)
66 struct mtd_partition
*parts
;
68 int parsed_nr_parts
= 0;
71 iq80310_map
.virt
= ioremap(WINDOW_ADDR
, WINDOW_SIZE
);
72 if (!iq80310_map
.virt
) {
73 printk("Failed to ioremap\n");
76 simple_map_init(&iq80310_map
);
78 mymtd
= do_map_probe("cfi_probe", &iq80310_map
);
80 iounmap((void *)iq80310_map
.virt
);
83 mymtd
->owner
= THIS_MODULE
;
85 ret
= parse_mtd_partitions(mymtd
, probes
, &parsed_parts
, 0);
88 parsed_nr_parts
= ret
;
90 if (parsed_nr_parts
> 0) {
92 nb_parts
= parsed_nr_parts
;
94 parts
= iq80310_partitions
;
95 nb_parts
= ARRAY_SIZE(iq80310_partitions
);
97 add_mtd_partitions(mymtd
, parts
, nb_parts
);
101 static void __exit
cleanup_iq80310(void)
104 del_mtd_partitions(mymtd
);
109 if (iq80310_map
.virt
)
110 iounmap((void *)iq80310_map
.virt
);
113 module_init(init_iq80310
);
114 module_exit(cleanup_iq80310
);
117 MODULE_LICENSE("GPL");
118 MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
119 MODULE_DESCRIPTION("MTD map driver for Intel XScale IQ80310 evaluation board");