New MTD map drivers.

- Technology Systems TS-5500 board
- Simtec BAST
- IBM 440GX Ocotea
Signed-Off-By: David Woodhouse <dwmw2@infradead.org>

drivers/mtd/maps/Kconfig

 # drivers/mtd/maps/Kconfig
-# $Id: Kconfig,v 1.30 2004/07/21 00:16:14 jwboyer Exp $
+# $Id: Kconfig,v 1.37 2004/10/20 22:57:18 dwmw2 Exp $
 
 menu "Mapping drivers for chip access"
 	depends on MTD!=n
@@ -92,6 +92,25 @@ config MTD_NETSC520
 	  demonstration board. If you have one of these boards and would like 
 	  to use the flash chips on it, say 'Y'.
 
+config MTD_TS5500
+	tristate "JEDEC Flash device mapped on Technologic Systems TS-5500"
+	depends on X86 && MTD_JEDECPROBE && MTD_PARTITIONS
+	help
+	  This provides a driver for the on-board flash of the Technologic
+	  System's TS-5500 board. The flash is split into 3 partitions
+	  which are accessed as separate MTD devices.
+
+	  mtd0 and mtd2 are the two BIOS drives. Unfortunately the BIOS
+	  uses a proprietary flash translation layer from General Software,
+	  which is not supported (the drives cannot be mounted). You can
+	  create your own file system (jffs for example), but the BIOS
+	  won't be able to boot from it.
+
+	  mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL.
+
+	  Note that jumper 3 ("Write Enable Drive A") must be set
+	  otherwise detection won't succeeed.
+
 config MTD_SBC_GXX
 	tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
 	depends on X86 && MTD_CFI_INTELEXT && MTD_PARTITIONS && MTD_COMPLEX_MAPPINGS
@@ -160,7 +179,7 @@ config MTD_AMD76XROM
 
 config MTD_ICHXROM
 	tristate "BIOS flash chip on Intel Controller Hub 2/3/4/5"
-	depends on X86 && MTD_JEDECPROBE && MTD_COMPLEX_MAPPINGS
+	depends on X86 && MTD_JEDECPROBE
 	help
 	  Support for treating the BIOS flash chip on ICHX motherboards
 	  as an MTD device - with this you can reprogram your BIOS.
@@ -355,13 +374,21 @@ config MTD_ARCTIC
 	  use the flash chips on it, say 'Y'.
 
 config MTD_EBONY
-	tristate "CFI Flash device mapped on IBM 440GP Ebony"
-	depends on MTD_CFI && PPC32 && 440 && EBONY
+	tristate "Flash devices mapped on IBM 440GP Ebony"
+	depends on MTD_CFI && PPC32 && 44x && EBONY
 	help
 	  This enables access routines for the flash chips on the IBM 440GP
 	  Ebony board. If you have one of these boards and would like to
 	  use the flash chips on it, say 'Y'.
 
+config MTD_OCOTEA
+	tristate "Flash devices mapped on IBM 440GX Ocotea"
+	depends on MTD_CFI && PPC32 && 44x && OCOTEA
+	help
+	  This enables access routines for the flash chips on the IBM 440GX
+	  Ocotea board. If you have one of these boards and would like to
+	  use the flash chips on it, say 'Y'.
+
 config MTD_REDWOOD
 	tristate "CFI Flash devices mapped on IBM Redwood"
 	depends on MTD_CFI && PPC32 && 4xx && 40x && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 )
@@ -448,6 +475,12 @@ config MTD_SA1100
 	  the SA1100 and SA1110, including the Assabet and the Compaq iPAQ.
 	  If you have such a board, say 'Y'.
 
+config MTD_IPAQ
+	tristate "CFI Flash device mapped on Compaq/HP iPAQ"
+	depends on ARM && IPAQ_HANDHELD && MTD_CFI
+	help
+	  This provides a driver for the on-board flash of the iPAQ.
+
 config MTD_DC21285
 	tristate "CFI Flash device mapped on DC21285 Footbridge"
 	depends on ARM && MTD_CFI && ARCH_FOOTBRIDGE && MTD_COMPLEX_MAPPINGS
@@ -468,7 +501,7 @@ config MTD_IXP4XX
 	tristate "CFI Flash device mapped on Intel IXP4xx based systems"
 	depends on ARM && MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX
 	help
-	  This eables MTD access to flash devices on platforms based 
+	  This enables MTD access to flash devices on platforms based 
 	  on Intel's IXP4xx family of network processors such as the
 	  IXDP425 and Coyote. If you have an IXP4xx based board and
 	  would like to use the flash chips on it, say 'Y'.
@@ -477,9 +510,9 @@ config MTD_IXP2000
 	tristate "CFI Flash device mapped on Intel IXP2000 based systems"
 	depends on ARM && MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP2000
 	help
-	  This enables MTD access to flash devices on platforms based
+	  This enables MTD access to flash devices on platforms based 
 	  on Intel's IXP2000 family of network processors such as the
-	  IXDP2400 and IXDP2401. If you have an IXP2000 based board and
+	  IXDP425 and Coyote. If you have an IXP2000 based board and
 	  would like to use the flash chips on it, say 'Y'.
 
 config MTD_EPXA10DB
@@ -595,5 +628,22 @@ config MTD_DMV182
         help
           Map driver for Dy-4 SVME/DMV-182 board.
 
+config MTD_BAST
+	tristate "Map driver for Simtec BAST (EB2410ITX)"
+	depends on ARCH_BAST
+	select MTD_PARTITIONS
+	select MTD_MAP_BANK_WIDTH_16
+	select MTD_JEDECPROBE
+	help
+	  Map driver for NOR flash on the Simtec BAST (EB2410ITX).
+
+	  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"
+
 endmenu
 

drivers/mtd/maps/Makefile

 #
 # linux/drivers/maps/Makefile
 #
-# $Id: Makefile.common,v 1.14 2004/07/12 16:07:31 dwmw2 Exp $
+# $Id: Makefile.common,v 1.19 2004/09/21 14:27:16 bjd Exp $
 
 ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)
 obj-$(CONFIG_MTD)		+= map_funcs.o
@@ -10,6 +10,7 @@ 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-$(CONFIG_MTD_CSTM_MIPS_IXX)	+= cstm_mips_ixx.o
 obj-$(CONFIG_MTD_DC21285)	+= dc21285.o
@@ -31,9 +32,11 @@ obj-$(CONFIG_MTD_PCMCIA)	+= pcmciamtd.o
 obj-$(CONFIG_MTD_RPXLITE)	+= rpxlite.o
 obj-$(CONFIG_MTD_TQM8XXL)	+= tqm8xxl.o
 obj-$(CONFIG_MTD_SA1100)	+= sa1100-flash.o
+obj-$(CONFIG_MTD_IPAQ)		+= ipaq-flash.o
 obj-$(CONFIG_MTD_SBC_GXX)	+= sbc_gxx.o
 obj-$(CONFIG_MTD_SC520CDP)	+= sc520cdp.o
 obj-$(CONFIG_MTD_NETSC520)	+= netsc520.o
+obj-$(CONFIG_MTD_TS5500)	+= ts5500_flash.o
 obj-$(CONFIG_MTD_SUN_UFLASH)	+= sun_uflash.o
 obj-$(CONFIG_MTD_VMAX)		+= vmax301.o
 obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o
@@ -55,6 +58,7 @@ obj-$(CONFIG_MTD_UCLINUX)	+= uclinux.o
 obj-$(CONFIG_MTD_NETtel)	+= nettel.o
 obj-$(CONFIG_MTD_SCB2_FLASH)	+= scb2_flash.o
 obj-$(CONFIG_MTD_EBONY)		+= ebony.o
+obj-$(CONFIG_MTD_OCOTEA)	+= ocotea.o
 obj-$(CONFIG_MTD_BEECH)		+= beech-mtd.o
 obj-$(CONFIG_MTD_ARCTIC)	+= arctic-mtd.o
 obj-$(CONFIG_MTD_H720X)		+= h720x-flash.o

drivers/mtd/maps/bast-flash.c

+/* linux/drivers/mtd/maps/bast_flash.c
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Simtec Bast (EB2410ITX) NOR MTD Mapping driver
+ *
+ * Changelog:
+ *	20-Sep-2004  BJD  Initial version
+ *
+ * $Id: bast-flash.c,v 1.1 2004/09/21 14:29:04 bjd Exp $
+ *
+ * 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/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+#include <asm/mach-types.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 * (1024*1024))
+#else
+#define AREA_MAXSIZE (32*1024*1024)
+#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 struct bast_flash_info *to_bast_info(struct device *dev)
+{
+	return (struct bast_flash_info *)dev_get_drvdata(dev);
+}
+
+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 device *dev)
+{
+	struct bast_flash_info *info = to_bast_info(dev);
+
+	dev_set_drvdata(dev, 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);
+	}
+
+	if (info->partitions)
+		kfree(info->partitions);
+
+	if (info->area) {
+		release_resource(info->area);
+		kfree(info->area);
+	}
+	
+	kfree(info);
+
+	return 0;
+}
+
+static int bast_flash_probe(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	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));
+	dev_set_drvdata(dev, 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 = 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", __FUNCTION__,
+		 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", __FUNCTION__, (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");
+	}
+
+	if (err == 0)
+		return 0;
+
+	/* fall through to exit error */
+
+ exit_error:
+	bast_flash_remove(dev);
+	return err;
+}
+
+static struct device_driver bast_flash_driver = {
+	.name		= "bast-nor",
+	.bus		= &platform_bus_type,
+	.probe		= bast_flash_probe,
+	.remove		= bast_flash_remove,
+};
+
+static int __init bast_flash_init(void)
+{
+	printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");
+	return driver_register(&bast_flash_driver);
+}
+
+static void __exit bast_flash_exit(void)
+{
+	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");

drivers/mtd/maps/ocotea.c

+/*
+ * Mapping for Ocotea user flash
+ *
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * Copyright 2002-2004 MontaVista Software Inc.
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/config.h>
+#include <linux/version.h>
+#include <asm/io.h>
+#include <asm/ibm44x.h>
+#include <platforms/4xx/ocotea.h>
+
+static struct mtd_info *flash;
+
+static struct map_info ocotea_small_map = {
+	.name =		"Ocotea small flash",
+	.size =		OCOTEA_SMALL_FLASH_SIZE,
+	.buswidth =	1,
+};
+
+static struct map_info ocotea_large_map = {
+	.name =		"Ocotea large flash",
+	.size =		OCOTEA_LARGE_FLASH_SIZE,
+	.buswidth =	1,
+};
+
+static struct mtd_partition ocotea_small_partitions[] = {
+	{
+		.name =   "pibs",
+		.offset = 0x0,
+		.size =   0x100000,
+	}
+};
+
+static struct mtd_partition ocotea_large_partitions[] = {
+	{
+		.name =   "fs",
+		.offset = 0,
+		.size =   0x300000,
+	},
+	{
+		.name =   "firmware",
+		.offset = 0x300000,
+		.size =   0x100000,
+	}
+};
+
+#define NB_OF(x)  (sizeof(x)/sizeof(x[0]))
+
+int __init init_ocotea(void)
+{
+	u8 fpga0_reg;
+	u8 *fpga0_adr;
+	unsigned long long small_flash_base, large_flash_base;
+
+	fpga0_adr = ioremap64(OCOTEA_FPGA_ADDR, 16);
+	if (!fpga0_adr)
+		return -ENOMEM;
+
+	fpga0_reg = readb((unsigned long)fpga0_adr);
+	iounmap(fpga0_adr);
+
+	if (OCOTEA_BOOT_LARGE_FLASH(fpga0_reg)) {
+		small_flash_base = OCOTEA_SMALL_FLASH_HIGH;
+		large_flash_base = OCOTEA_LARGE_FLASH_LOW;
+	}
+	else {
+		small_flash_base = OCOTEA_SMALL_FLASH_LOW;
+		large_flash_base = OCOTEA_LARGE_FLASH_HIGH;
+	}
+
+	ocotea_small_map.phys = small_flash_base;
+	ocotea_small_map.virt =
+		(void __iomem *)ioremap64(small_flash_base,
+					 ocotea_small_map.size);
+
+	if (!ocotea_small_map.virt) {
+		printk("Failed to ioremap flash\n");
+		return -EIO;
+	}
+
+	simple_map_init(&ocotea_small_map);
+
+	flash = do_map_probe("map_rom", &ocotea_small_map);
+	if (flash) {
+		flash->owner = THIS_MODULE;
+		add_mtd_partitions(flash, ocotea_small_partitions,
+					NB_OF(ocotea_small_partitions));
+	} else {
+		printk("map probe failed for flash\n");
+		return -ENXIO;
+	}
+
+	ocotea_large_map.phys = large_flash_base;
+	ocotea_large_map.virt =
+		(void __iomem *)ioremap64(large_flash_base,
+					 ocotea_large_map.size);
+
+	if (!ocotea_large_map.virt) {
+		printk("Failed to ioremap flash\n");
+		return -EIO;
+	}
+
+	simple_map_init(&ocotea_large_map);
+
+	flash = do_map_probe("cfi_probe", &ocotea_large_map);
+	if (flash) {
+		flash->owner = THIS_MODULE;
+		add_mtd_partitions(flash, ocotea_large_partitions,
+					NB_OF(ocotea_large_partitions));
+	} else {
+		printk("map probe failed for flash\n");
+		return -ENXIO;
+	}
+
+	return 0;
+}
+
+static void __exit cleanup_ocotea(void)
+{
+	if (flash) {
+		del_mtd_partitions(flash);
+		map_destroy(flash);
+	}
+
+	if (ocotea_small_map.virt) {
+		iounmap((void *)ocotea_small_map.virt);
+		ocotea_small_map.virt = 0;
+	}
+
+	if (ocotea_large_map.virt) {
+		iounmap((void *)ocotea_large_map.virt);
+		ocotea_large_map.virt = 0;
+	}
+}
+
+module_init(init_ocotea);
+module_exit(cleanup_ocotea);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>");
+MODULE_DESCRIPTION("MTD map and partitions for IBM 440GX Ocotea boards");

drivers/mtd/maps/ts5500_flash.c

+/*
+ * ts5500_flash.c -- MTD map driver for Technology Systems TS-5500 board
+ *
+ * Copyright (C) 2004 Sean Young <sean@mess.org>
+ *
+ * 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
+ *
+ * Note:
+ * - In order for detection to work, jumper 3 must be set.
+ * - Drive A and B use a proprietary FTL from General Software which isn't 
+ *   supported as of yet so standard drives can't be mounted; you can create 
+ *   your own (e.g. jffs) file system.
+ * - If you have created your own jffs file system and the bios overwrites 
+ *   it during boot, try disabling Drive A: and B: in the boot order.
+ *
+ * $Id: ts5500_flash.c,v 1.1 2004/09/20 15:33:26 sean Exp $
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+
+#ifdef CONFIG_MTD_PARTITIONS
+#include <linux/mtd/partitions.h>
+#endif
+
+#define WINDOW_ADDR	0x09400000
+#define WINDOW_SIZE	0x00200000
+
+static struct map_info ts5500_map = {
+	.name = "TS-5500 Flash",
+	.size = WINDOW_SIZE,
+	.bankwidth = 1,
+	.phys = WINDOW_ADDR
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition ts5500_partitions[] = {
+	{
+		.name = "Drive A",
+		.offset = 0,
+		.size = 0x0e0000
+	},
+	{
+		.name = "BIOS",
+		.offset = 0x0e0000,
+		.size = 0x020000,
+	},
+	{
+		.name = "Drive B",
+		.offset = 0x100000,
+		.size = 0x100000
+	}
+};
+
+#define NUM_PARTITIONS (sizeof(ts5500_partitions)/sizeof(struct mtd_partition))
+
+#endif
+
+static struct mtd_info *mymtd;
+
+static int __init init_ts5500_map(void)
+{
+	int rc = 0;
+
+	ts5500_map.virt = (void*)ioremap_nocache(ts5500_map.phys, ts5500_map.size);
+
+	if(!ts5500_map.virt) {
+		printk(KERN_ERR "Failed to ioremap_nocache\n");
+		rc = -EIO;
+		goto err_out_ioremap;
+	}
+
+	simple_map_init(&ts5500_map);
+
+	mymtd = do_map_probe("jedec_probe", &ts5500_map);
+	if(!mymtd)
+		mymtd = do_map_probe("map_rom", &ts5500_map);
+
+	if(!mymtd) {
+		rc = -ENXIO;
+		goto err_out_map;
+	}
+
+	mymtd->owner = THIS_MODULE;
+#ifdef CONFIG_MTD_PARTITIONS
+	add_mtd_partitions(mymtd, ts5500_partitions, NUM_PARTITIONS);
+#else	
+	add_mtd_device(mymtd);
+#endif
+
+	return 0;
+
+err_out_map:
+	map_destroy(mymtd);
+err_out_ioremap:
+	iounmap((void *)ts5500_map.virt);
+
+	return rc;
+}
+
+static void __exit cleanup_ts5500_map(void)
+{
+	if (mymtd) {
+#ifdef CONFIG_MTD_PARTITIONS
+		del_mtd_partitions(mymtd);
+#else
+		del_mtd_device(mymtd);
+#endif
+		map_destroy(mymtd);
+	}
+
+	if (ts5500_map.virt) {
+		iounmap((void *)ts5500_map.virt);
+		ts5500_map.virt = 0;
+	}
+}
+
+module_init(init_ts5500_map);
+module_exit(cleanup_ts5500_map);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sean Young <sean@mess.org>");
+MODULE_DESCRIPTION("MTD map driver for Techology Systems TS-5500 board");
+