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'.
@@ -479,7 +512,7 @@ config MTD_IXP2000
 	help
 	  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/ipaq-flash.c

+/*
+ * Flash memory access on iPAQ Handhelds (either SA1100 or PXA250 based)
+ * 
+ * (C) 2000 Nicolas Pitre <nico@cam.org>
+ * (C) 2002 Hewlett-Packard Company <jamey.hicks@hp.com>
+ * (C) 2003 Christian Pellegrin <chri@ascensit.com>, <chri@infis.univ.ts.it>: concatenation of multiple flashes
+ * 
+ * $Id: ipaq-flash.c,v 1.2 2004/09/16 23:27:13 gleixner Exp $
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <asm/page.h>
+#include <asm/mach-types.h>
+#include <asm/system.h>
+#include <asm/errno.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#ifdef CONFIG_MTD_CONCAT
+#include <linux/mtd/concat.h>
+#endif
+
+#include <asm/hardware.h>
+#include <asm/arch-sa1100/h3600.h>
+#include <asm/io.h>
+
+
+#ifndef CONFIG_IPAQ_HANDHELD
+#error This is for iPAQ Handhelds only
+#endif
+#ifdef CONFIG_SA1100_JORNADA56X
+
+static void jornada56x_set_vpp(struct map_info *map, int vpp)
+{
+	if (vpp)
+		GPSR = GPIO_GPIO26;
+	else
+		GPCR = GPIO_GPIO26;
+	GPDR |= GPIO_GPIO26;
+}
+
+#endif
+
+#ifdef CONFIG_SA1100_JORNADA720
+
+static void jornada720_set_vpp(struct map_info *map, int vpp)
+{
+	if (vpp)
+		PPSR |= 0x80;
+	else
+		PPSR &= ~0x80;
+	PPDR |= 0x80;
+}
+
+#endif
+
+#define MAX_IPAQ_CS 2		/* Number of CS we are going to test */
+
+#define IPAQ_MAP_INIT(X) \
+	{ \
+		name:		"IPAQ flash " X, \
+	}
+
+
+static struct map_info ipaq_map[MAX_IPAQ_CS] = {
+	IPAQ_MAP_INIT("bank 1"),
+	IPAQ_MAP_INIT("bank 2")
+};
+
+static struct mtd_info *my_sub_mtd[MAX_IPAQ_CS] = {
+	NULL,
+	NULL
+};
+
+/*
+ * Here are partition information for all known IPAQ-based devices.
+ * See include/linux/mtd/partitions.h for definition of the mtd_partition
+ * structure.
+ *
+ * The *_max_flash_size is the maximum possible mapped flash size which
+ * is not necessarily the actual flash size.  It must be no more than
+ * the value specified in the "struct map_desc *_io_desc" mapping
+ * definition for the corresponding machine.
+ *
+ * Please keep these in alphabetical order, and formatted as per existing
+ * entries.  Thanks.
+ */
+
+#ifdef CONFIG_IPAQ_HANDHELD
+static unsigned long h3xxx_max_flash_size = 0x04000000;
+static struct mtd_partition h3xxx_partitions[] = {
+	{
+		name:		"H3XXX boot firmware",
+#ifndef CONFIG_LAB
+		size:		0x00040000,
+#else
+		size:		0x00080000,
+#endif
+		offset:		0,
+#ifndef CONFIG_LAB
+		mask_flags:	MTD_WRITEABLE,  /* force read-only */
+#endif
+	}, 
+	{
+		name:		"H3XXX root jffs2",
+#ifndef CONFIG_LAB
+		size:		0x2000000 - 2*0x40000, /* Warning, this is fixed later */
+		offset:		0x00040000,
+#else
+		size:		0x2000000 - 0x40000 - 0x80000, /* Warning, this is fixed later */
+		offset:		0x00080000,
+#endif
+	},
+	{
+		name:		"asset",
+		size:		0x40000,
+		offset:		0x2000000 - 0x40000, /* Warning, this is fixed later */
+		mask_flags:	MTD_WRITEABLE,  /* force read-only */
+	}
+};
+
+#ifndef CONFIG_MTD_CONCAT
+static struct mtd_partition h3xxx_partitions_bank2[] = {
+	/* this is used only on 2 CS machines when concat is not present */
+	{
+		name:		"second H3XXX root jffs2",
+		size:		0x1000000 - 0x40000, /* Warning, this is fixed later */
+		offset:		0x00000000,
+	},
+	{
+		name:		"second asset",
+		size:		0x40000,
+		offset:		0x1000000 - 0x40000, /* Warning, this is fixed later */
+		mask_flags:	MTD_WRITEABLE,  /* force read-only */
+	}
+};
+#endif
+
+static spinlock_t ipaq_vpp_lock = SPIN_LOCK_UNLOCKED;
+
+static void h3xxx_set_vpp(struct map_info *map, int vpp)
+{
+	static int nest = 0;
+	
+	spin_lock(&ipaq_vpp_lock);
+	if (vpp)
+		nest++;
+	else
+		nest--;
+	if (nest)
+		assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 1);
+	else
+		assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, 0);
+	spin_unlock(&ipaq_vpp_lock);
+}
+
+#endif
+
+#if defined(CONFIG_SA1100_JORNADA56X) || defined(CONFIG_SA1100_JORNADA720)
+static unsigned long jornada_max_flash_size = 0x02000000;
+static struct mtd_partition jornada_partitions[] = {
+	{
+		name:		"Jornada boot firmware",
+		size:		0x00040000,
+		offset:		0,
+		mask_flags:	MTD_WRITEABLE,  /* force read-only */
+	}, {
+		name:		"Jornada root jffs2",
+		size:		MTDPART_SIZ_FULL,
+		offset:		0x00040000,
+	}
+};
+#endif
+
+
+static struct mtd_partition *parsed_parts;
+static struct mtd_info *mymtd;
+
+static unsigned long cs_phys[] = {
+#ifdef CONFIG_ARCH_SA1100
+	SA1100_CS0_PHYS,
+	SA1100_CS1_PHYS,
+	SA1100_CS2_PHYS,
+	SA1100_CS3_PHYS,
+	SA1100_CS4_PHYS,
+	SA1100_CS5_PHYS,
+#else 
+	PXA_CS0_PHYS,
+	PXA_CS1_PHYS,
+	PXA_CS2_PHYS,
+	PXA_CS3_PHYS,
+	PXA_CS4_PHYS,
+	PXA_CS5_PHYS,
+#endif
+};
+
+static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
+
+static int __init h1900_special_case(void);
+
+int __init ipaq_mtd_init(void)
+{
+	struct mtd_partition *parts = NULL;
+	int nb_parts = 0;
+	int parsed_nr_parts = 0;
+	const char *part_type;
+	int i; /* used when we have >1 flash chips */
+	unsigned long tot_flashsize = 0; /* used when we have >1 flash chips */
+
+	/* Default flash bankwidth */
+	// ipaq_map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4;
+	
+	if (machine_is_h1900())
+	{
+		/* For our intents, the h1900 is not a real iPAQ, so we special-case it. */
+		return h1900_special_case();
+	}
+
+	if (machine_is_h3100() || machine_is_h1900())
+		for(i=0; i<MAX_IPAQ_CS; i++)
+			ipaq_map[i].bankwidth = 2;
+	else
+		for(i=0; i<MAX_IPAQ_CS; i++)
+			ipaq_map[i].bankwidth = 4;
+			
+	/*
+	 * Static partition definition selection
+	 */
+	part_type = "static";
+
+	simple_map_init(&ipaq_map[0]);
+	simple_map_init(&ipaq_map[1]);
+
+#ifdef CONFIG_IPAQ_HANDHELD
+	if (machine_is_ipaq()) {
+		parts = h3xxx_partitions;
+		nb_parts = ARRAY_SIZE(h3xxx_partitions);
+		for(i=0; i<MAX_IPAQ_CS; i++) {
+			ipaq_map[i].size = h3xxx_max_flash_size;
+			ipaq_map[i].set_vpp = h3xxx_set_vpp;
+			ipaq_map[i].phys = cs_phys[i];
+			ipaq_map[i].virt = (void __iomem *)__ioremap(cs_phys[i], 0x04000000, 0, 1);
+			if (machine_is_h3100 () || machine_is_h1900())
+				ipaq_map[i].bankwidth = 2;
+		}
+		if (machine_is_h3600()) {
+			/* No asset partition here */
+			h3xxx_partitions[1].size += 0x40000;
+			nb_parts--;
+		}
+	}
+#endif
+#ifdef CONFIG_ARCH_H5400
+	if (machine_is_h5400()) {
+		ipaq_map[0].size = 0x02000000;
+		ipaq_map[1].size = 0x02000000;
+		ipaq_map[1].phys = 0x02000000;
+		ipaq_map[1].virt = ipaq_map[0].virt + 0x02000000;
+	}
+#endif
+#ifdef CONFIG_ARCH_H1900
+	if (machine_is_h1900()) {
+		ipaq_map[0].size = 0x00400000;
+		ipaq_map[1].size = 0x02000000;
+		ipaq_map[1].phys = 0x00080000;
+		ipaq_map[1].virt = ipaq_map[0].virt + 0x00080000;
+	}
+#endif
+
+#ifdef CONFIG_SA1100_JORNADA56X
+	if (machine_is_jornada56x()) {
+		parts = jornada_partitions;
+		nb_parts = ARRAY_SIZE(jornada_partitions);
+		ipaq_map[0].size = jornada_max_flash_size;
+		ipaq_map[0].set_vpp = jornada56x_set_vpp;
+		ipaq_map[0].virt = (__u32)__ioremap(0x0, 0x04000000, 0, 1);
+	}
+#endif
+#ifdef CONFIG_SA1100_JORNADA720
+	if (machine_is_jornada720()) {
+		parts = jornada_partitions;
+		nb_parts = ARRAY_SIZE(jornada_partitions);
+		ipaq_map[0].size = jornada_max_flash_size;
+		ipaq_map[0].set_vpp = jornada720_set_vpp;
+	}
+#endif
+
+
+	if (machine_is_ipaq()) { /* for iPAQs only */
+		for(i=0; i<MAX_IPAQ_CS; i++) {
+			printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with CFI.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt);
+			my_sub_mtd[i] = do_map_probe("cfi_probe", &ipaq_map[i]);
+			if (!my_sub_mtd[i]) {
+				printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[i].bankwidth*8, ipaq_map[i].virt);
+				my_sub_mtd[i] = do_map_probe("jedec_probe", &ipaq_map[i]);
+			}
+			if (!my_sub_mtd[i]) {
+				printk(KERN_NOTICE "iPAQ flash: failed to find flash.\n");
+				if (i)
+					break;
+				else
+					return -ENXIO;
+			} else
+				printk(KERN_NOTICE "iPAQ flash: found %d bytes\n", my_sub_mtd[i]->size);
+			
+			/* do we really need this debugging? --joshua 20030703 */
+			// printk("my_sub_mtd[%d]=%p\n", i, my_sub_mtd[i]);
+			my_sub_mtd[i]->owner = THIS_MODULE;
+			tot_flashsize += my_sub_mtd[i]->size;
+		}
+#ifdef CONFIG_MTD_CONCAT
+		/* fix the asset location */
+#	ifdef CONFIG_LAB
+		h3xxx_partitions[1].size = tot_flashsize - 0x40000 - 0x80000 /* extra big boot block */;
+#	else
+		h3xxx_partitions[1].size = tot_flashsize - 2 * 0x40000;
+#	endif
+		h3xxx_partitions[2].offset = tot_flashsize - 0x40000;
+		/* and concat the devices */
+		mymtd = mtd_concat_create(&my_sub_mtd[0], i,
+					  "ipaq");
+		if (!mymtd) {
+			printk("Cannot create iPAQ concat device\n");
+			return -ENXIO;
+		}
+#else
+		mymtd = my_sub_mtd[0];
+
+		/* 
+		 *In the very near future, command line partition parsing
+		 * will use the device name as 'mtd-id' instead of a value
+		 * passed to the parse_cmdline_partitions() routine. Since
+		 * the bootldr says 'ipaq', make sure it continues to work. 
+		 */
+		mymtd->name = "ipaq";
+
+		if ((machine_is_h3600())) {
+#	ifdef CONFIG_LAB
+			h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x80000;
+#	else
+			h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000;
+#	endif
+			nb_parts = 2;
+		} else {
+#	ifdef CONFIG_LAB
+			h3xxx_partitions[1].size = my_sub_mtd[0]->size - 0x40000 - 0x80000; /* extra big boot block */
+#	else
+			h3xxx_partitions[1].size = my_sub_mtd[0]->size - 2*0x40000;
+#	endif
+			h3xxx_partitions[2].offset = my_sub_mtd[0]->size - 0x40000;
+		}
+
+		if (my_sub_mtd[1]) {
+#	ifdef CONFIG_LAB
+			h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x80000;
+#	else
+			h3xxx_partitions_bank2[0].size = my_sub_mtd[1]->size - 0x40000;
+#	endif
+			h3xxx_partitions_bank2[1].offset = my_sub_mtd[1]->size - 0x40000;
+		}
+#endif
+	}
+	else {
+		/*
+		 * Now let's probe for the actual flash.  Do it here since
+		 * specific machine settings might have been set above.
+		 */
+		printk(KERN_NOTICE "IPAQ flash: probing %d-bit flash bus, window=%lx\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt);
+		mymtd = do_map_probe("cfi_probe", &ipaq_map[0]);
+		if (!mymtd)
+			return -ENXIO;
+		mymtd->owner = THIS_MODULE;
+	}
+
+
+	/*
+	 * Dynamic partition selection stuff (might override the static ones)
+	 */
+
+	 i = parse_mtd_partitions(mymtd, part_probes, &parsed_parts, 0);
+			
+	 if (i > 0) {
+		 nb_parts = parsed_nr_parts = i;
+		 parts = parsed_parts;
+		 part_type = "dynamic";
+	 }
+
+	 if (!parts) {
+		 printk(KERN_NOTICE "IPAQ flash: no partition info available, registering whole flash at once\n");
+		 add_mtd_device(mymtd);
+#ifndef CONFIG_MTD_CONCAT
+		 if (my_sub_mtd[1])
+			 add_mtd_device(my_sub_mtd[1]);
+#endif
+	 } else {
+		 printk(KERN_NOTICE "Using %s partition definition\n", part_type);
+		 add_mtd_partitions(mymtd, parts, nb_parts);
+#ifndef CONFIG_MTD_CONCAT
+		 if (my_sub_mtd[1])
+			 add_mtd_partitions(my_sub_mtd[1], h3xxx_partitions_bank2, ARRAY_SIZE(h3xxx_partitions_bank2));
+#endif
+	 }
+
+	 return 0;
+}
+
+static void __exit ipaq_mtd_cleanup(void)
+{
+	int i;
+
+	if (mymtd) {
+		del_mtd_partitions(mymtd);
+#ifndef CONFIG_MTD_CONCAT
+		if (my_sub_mtd[1])
+			del_mtd_partitions(my_sub_mtd[1]);
+#endif
+		map_destroy(mymtd);
+#ifdef CONFIG_MTD_CONCAT
+		for(i=0; i<MAX_IPAQ_CS; i++) 
+#else
+			for(i=1; i<MAX_IPAQ_CS; i++) 
+#endif		  
+			{
+				if (my_sub_mtd[i])
+					map_destroy(my_sub_mtd[i]);
+			}
+		if (parsed_parts)
+			kfree(parsed_parts);
+	}
+}
+
+static int __init h1900_special_case(void)
+{
+	/* The iPAQ h1900 is a special case - it has weird ROM. */
+	simple_map_init(&ipaq_map[0]);
+	ipaq_map[0].size = 0x80000;
+	ipaq_map[0].set_vpp = h3xxx_set_vpp;
+	ipaq_map[0].phys = 0x0;
+	ipaq_map[0].virt = (void __iomem *)__ioremap(0x0, 0x04000000, 0, 1);
+	ipaq_map[0].bankwidth = 2;
+	
+	printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt);
+	mymtd = do_map_probe("jedec_probe", &ipaq_map[0]);
+	if (!mymtd)
+		return -ENODEV;
+	add_mtd_device(mymtd);
+	printk(KERN_NOTICE "iPAQ flash: registered h1910 flash\n");
+	
+	return 0;
+}
+
+module_init(ipaq_mtd_init);
+module_exit(ipaq_mtd_cleanup);
+
+MODULE_AUTHOR("Jamey Hicks");
+MODULE_DESCRIPTION("IPAQ CFI map driver");
+MODULE_LICENSE("MIT");

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");
+