File: [Development] / linux-2.6-xfs / drivers / mtd / maps / omap-toto-flash.c (download)
Revision 1.17, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.16: +0 -0
lines
Update 2.6.x-xfs to 2.6.23-rc4.
Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:
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commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
xfs ioctl __user annotations
commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
mm: Remove slab destructors from kmem_cache_create().
commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
mm: fault feedback #1
commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
mm: merge populate and nopage into fault (fixes nonlinear)
commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
mm: fix fault vs invalidate race for linear mappings
commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
knfsd: exportfs: add exportfs.h header
commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
Freezer: make kernel threads nonfreezable by default
commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
mm: clean up and kernelify shrinker registration
commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
Add suspend-related notifications for CPU hotplug
commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
Fix occurrences of "the the "
commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
mm: move common segment checks to separate helper function
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Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.
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/*
* NOR Flash memory access on TI Toto board
*
* jzhang@ti.com (C) 2003 Texas Instruments.
*
* (C) 2002 MontVista Software, Inc.
*
* $Id: omap-toto-flash.c,v 1.17 2007/09/12 17:09:56 tes.longdrop.melbourne.sgi.com Exp $
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <asm/hardware.h>
#include <asm/io.h>
#ifndef CONFIG_ARCH_OMAP
#error This is for OMAP architecture only
#endif
//these lines need be moved to a hardware header file
#define OMAP_TOTO_FLASH_BASE 0xd8000000
#define OMAP_TOTO_FLASH_SIZE 0x80000
static struct map_info omap_toto_map_flash = {
.name = "OMAP Toto flash",
.bankwidth = 2,
.virt = (void __iomem *)OMAP_TOTO_FLASH_BASE,
};
static struct mtd_partition toto_flash_partitions[] = {
{
.name = "BootLoader",
.size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/
.offset = 0,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "ReservedSpace",
.size = 0x00030000,
.offset = MTDPART_OFS_APPEND,
//mask_flags: MTD_WRITEABLE, /* force read-only */
}, {
.name = "EnvArea", /* bottom 64KiB for env vars */
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
}
};
static struct mtd_partition *parsed_parts;
static struct mtd_info *flash_mtd;
static int __init init_flash (void)
{
struct mtd_partition *parts;
int nb_parts = 0;
int parsed_nr_parts = 0;
const char *part_type;
/*
* Static partition definition selection
*/
part_type = "static";
parts = toto_flash_partitions;
nb_parts = ARRAY_SIZE(toto_flash_partitions);
omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE;
omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE);
simple_map_init(&omap_toto_map_flash);
/*
* Now let's probe for the actual flash. Do it here since
* specific machine settings might have been set above.
*/
printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n",
omap_toto_map_flash.bankwidth*8);
flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash);
if (!flash_mtd)
return -ENXIO;
if (parsed_nr_parts > 0) {
parts = parsed_parts;
nb_parts = parsed_nr_parts;
}
if (nb_parts == 0) {
printk(KERN_NOTICE "OMAP toto flash: no partition info available,"
"registering whole flash at once\n");
if (add_mtd_device(flash_mtd)){
return -ENXIO;
}
} else {
printk(KERN_NOTICE "Using %s partition definition\n",
part_type);
return add_mtd_partitions(flash_mtd, parts, nb_parts);
}
return 0;
}
int __init omap_toto_mtd_init(void)
{
int status;
if (status = init_flash()) {
printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n");
}
return status;
}
static void __exit omap_toto_mtd_cleanup(void)
{
if (flash_mtd) {
del_mtd_partitions(flash_mtd);
map_destroy(flash_mtd);
kfree(parsed_parts);
}
}
module_init(omap_toto_mtd_init);
module_exit(omap_toto_mtd_cleanup);
MODULE_AUTHOR("Jian Zhang");
MODULE_DESCRIPTION("OMAP Toto board map driver");
MODULE_LICENSE("GPL");