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Commit 6f40470e authored by Ben Dooks's avatar Ben Dooks Committed by David Woodhouse
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[MTD] [MAPS] Remove the bast-flash driver. 



Remove the Simtec BAST flash driver as this has been replaced by using
the platform flash driver.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 0acf944c

drivers/mtd/maps/Kconfig

+0 −18
Original line number Diff line number Diff line
@@ -556,24 +556,6 @@ config MTD_DMV182 
        help

          Map driver for Dy-4 SVME/DMV-182 board.



config MTD_BAST

	tristate "Map driver for Simtec BAST (EB2410ITX) or Thorcom VR1000"

	depends on ARCH_BAST || MACH_VR1000

	select MTD_PARTITIONS

	select MTD_MAP_BANK_WIDTH_16

	select MTD_JEDECPROBE

	help

	  Map driver for NOR flash on the Simtec BAST (EB2410ITX), or the

	  Thorcom VR1000



	  Note, this driver *cannot* over-ride the WP link on the

	  board, or currently detect the state of the link.



config MTD_BAST_MAXSIZE

	int "Maximum size for BAST flash area (MiB)"

	depends on MTD_BAST

	default "4"



config MTD_SHARP_SL

	tristate "ROM mapped on Sharp SL Series"

	depends on ARCH_PXA

drivers/mtd/maps/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -9,7 +9,6 @@ endif 
# Chip mappings

obj-$(CONFIG_MTD_CDB89712)	+= cdb89712.o

obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o

obj-$(CONFIG_MTD_BAST)		+= bast-flash.o

obj-$(CONFIG_MTD_CFI_FLAGADM)	+= cfi_flagadm.o

obj-$(CONFIG_MTD_DC21285)	+= dc21285.o

obj-$(CONFIG_MTD_DILNETPC)	+= dilnetpc.o

drivers/mtd/maps/bast-flash.c

deleted100644 → 0
+0 −224
Original line number Diff line number Diff line 
/* linux/drivers/mtd/maps/bast-flash.c

 *

 * Copyright (c) 2004-2005 Simtec Electronics

 *	Ben Dooks <ben@simtec.co.uk>

 *

 * Simtec Bast (EB2410ITX) NOR MTD Mapping driver

 *

 * Changelog:

 *	20-Sep-2004  BJD  Initial version

 *	17-Jan-2005  BJD  Add whole device if no partitions found

 *

 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/



#include <linux/module.h>

#include <linux/types.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/string.h>

#include <linux/ioport.h>

#include <linux/device.h>

#include <linux/slab.h>

#include <linux/platform_device.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/map.h>

#include <linux/mtd/partitions.h>



#include <asm/io.h>

#include <asm/mach/flash.h>



#include <asm/arch/map.h>

#include <asm/arch/bast-map.h>

#include <asm/arch/bast-cpld.h>



#ifdef CONFIG_MTD_BAST_MAXSIZE

#define AREA_MAXSIZE (CONFIG_MTD_BAST_MAXSIZE * SZ_1M)

#else

#define AREA_MAXSIZE (32 * SZ_1M)

#endif



#define PFX "bast-flash: "



struct bast_flash_info {

	struct mtd_info		*mtd;

	struct map_info		 map;

	struct mtd_partition	*partitions;

	struct resource		*area;

};



static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };



static void bast_flash_setrw(int to)

{

	unsigned int val;

	unsigned long flags;



	local_irq_save(flags);

	val = __raw_readb(BAST_VA_CTRL3);



	if (to)

		val |= BAST_CPLD_CTRL3_ROMWEN;

	else

		val &= ~BAST_CPLD_CTRL3_ROMWEN;



	pr_debug("new cpld ctrl3=%02x\n", val);



	__raw_writeb(val, BAST_VA_CTRL3);

	local_irq_restore(flags);

}



static int bast_flash_remove(struct platform_device *pdev)

{

	struct bast_flash_info *info = platform_get_drvdata(pdev);



	platform_set_drvdata(pdev, NULL);



	if (info == NULL)

		return 0;



	if (info->map.virt != NULL)

		iounmap(info->map.virt);



	if (info->mtd) {

		del_mtd_partitions(info->mtd);

		map_destroy(info->mtd);

	}



	kfree(info->partitions);



	if (info->area) {

		release_resource(info->area);

		kfree(info->area);

	}



	kfree(info);



	return 0;

}



static int bast_flash_probe(struct platform_device *pdev)

{

	struct bast_flash_info *info;

	struct resource *res;

	int err = 0;



	info = kmalloc(sizeof(*info), GFP_KERNEL);

	if (info == NULL) {

		printk(KERN_ERR PFX "no memory for flash info\n");

		err = -ENOMEM;

		goto exit_error;

	}



	memzero(info, sizeof(*info));

	platform_set_drvdata(pdev, info);



	res = pdev->resource;  /* assume that the flash has one resource */



	info->map.phys = res->start;

	info->map.size = res->end - res->start + 1;

	info->map.name = pdev->dev.bus_id;

	info->map.bankwidth = 2;



	if (info->map.size > AREA_MAXSIZE)

		info->map.size = AREA_MAXSIZE;



	pr_debug("%s: area %08lx, size %ld\n", __func__,

		 info->map.phys, info->map.size);



	info->area = request_mem_region(res->start, info->map.size,

					pdev->name);

	if (info->area == NULL) {

		printk(KERN_ERR PFX "cannot reserve flash memory region\n");

		err = -ENOENT;

		goto exit_error;

	}



	info->map.virt = ioremap(res->start, info->map.size);

	pr_debug("%s: virt at %08x\n", __func__, (int)info->map.virt);



	if (info->map.virt == 0) {

		printk(KERN_ERR PFX "failed to ioremap() region\n");

		err = -EIO;

		goto exit_error;

	}



	simple_map_init(&info->map);



	/* enable the write to the flash area */



	bast_flash_setrw(1);



	/* probe for the device(s) */



	info->mtd = do_map_probe("jedec_probe", &info->map);

	if (info->mtd == NULL)

		info->mtd = do_map_probe("cfi_probe", &info->map);



	if (info->mtd == NULL) {

		printk(KERN_ERR PFX "map_probe() failed\n");

		err = -ENXIO;

		goto exit_error;

	}



	/* mark ourselves as the owner */

	info->mtd->owner = THIS_MODULE;



	err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0);

	if (err > 0) {

		err = add_mtd_partitions(info->mtd, info->partitions, err);

		if (err)

			printk(KERN_ERR PFX "cannot add/parse partitions\n");

	} else {

		err = add_mtd_device(info->mtd);

	}



	if (err == 0)

		return 0;



	/* fall through to exit error */



 exit_error:

	bast_flash_remove(pdev);

	return err;

}



static struct platform_driver bast_flash_driver = {

	.probe		= bast_flash_probe,

	.remove		= bast_flash_remove,

	.driver		= {

		.name	= "bast-nor",

		.owner	= THIS_MODULE,

	},

};



static int __init bast_flash_init(void)

{

	printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");

	return platform_driver_register(&bast_flash_driver);

}



static void __exit bast_flash_exit(void)

{

	platform_driver_unregister(&bast_flash_driver);

}



module_init(bast_flash_init);

module_exit(bast_flash_exit);



MODULE_LICENSE("GPL");

MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");

MODULE_DESCRIPTION("BAST MTD Map driver");

MODULE_ALIAS("platform:bast-nor");