[BACK]Return to omap-toto-flash.c CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / drivers / mtd / maps

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:

--------
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
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

/*
 * 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");