CRIS v32: Update and improve axisflashmap (5fc1f312) · Commits · 戴 / test

arch/cris/arch-v32/drivers/axisflashmap.c

+345 −143

Original line number	Diff line number	Diff line
		/*
		* Physical mapping layer for MTD using the Axis partitiontable format
		*
		* Copyright (c) 2001, 2002, 2003 Axis Communications AB
		* Copyright (c) 2001-2007 Axis Communications AB
		*
		* This file is under the GPL.
		*
		@@ -10,9 +10,6 @@
		* tells us what other partitions to define. If there isn't, we use a default
		* partition split defined below.
		*
		* Copy of os/lx25/arch/cris/arch-v10/drivers/axisflashmap.c 1.5
		* with minor changes.
		*
		*/

		#include <linux/module.h>
		@@ -27,7 +24,8 @@
		#include <linux/mtd/mtdram.h>
		#include <linux/mtd/partitions.h>

		#include <asm/arch/hwregs/config_defs.h>
		#include <linux/cramfs_fs.h>

		#include <asm/axisflashmap.h>
		#include <asm/mmu.h>

		@@ -37,16 +35,24 @@
		#define FLASH_UNCACHED_ADDR KSEG_E
		#define FLASH_CACHED_ADDR KSEG_F

		#define PAGESIZE (512)

		#if CONFIG_ETRAX_FLASH_BUSWIDTH==1
		#define flash_data __u8
		#elif CONFIG_ETRAX_FLASH_BUSWIDTH==2
		#define flash_data __u16
		#elif CONFIG_ETRAX_FLASH_BUSWIDTH==4
		#define flash_data __u16
		#define flash_data __u32
		#endif

		/* From head.S */
		extern unsigned long romfs_start, romfs_length, romfs_in_flash;
		extern unsigned long romfs_in_flash; /* 1 when romfs_start, _length in flash */
		extern unsigned long romfs_start, romfs_length;
		extern unsigned long nand_boot; /* 1 when booted from nand flash */

		struct partition_name {
		char name[6];
		};

		/* The master mtd for the entire flash. */
		struct mtd_info* axisflash_mtd = NULL;
		@@ -112,32 +118,20 @@ static struct map_info map_cse1 = {
		.map_priv_1 = FLASH_UNCACHED_ADDR + MEM_CSE0_SIZE
		};

		/* If no partition-table was found, we use this default-set. */
		#define MAX_PARTITIONS 7
		#ifdef CONFIG_ETRAX_NANDBOOT
		#define NUM_DEFAULT_PARTITIONS 4
		#define DEFAULT_ROOTFS_PARTITION_NO 2
		#define DEFAULT_MEDIA_SIZE 0x2000000 /* 32 megs */
		#else
		#define NUM_DEFAULT_PARTITIONS 3
		#define DEFAULT_ROOTFS_PARTITION_NO (-1)
		#define DEFAULT_MEDIA_SIZE 0x800000 /* 8 megs */
		#endif

		/*
		* Default flash size is 2MB. CONFIG_ETRAX_PTABLE_SECTOR is most likely the
		* size of one flash block and "filesystem"-partition needs 5 blocks to be able
		* to use JFFS.
		*/
		static struct mtd_partition axis_default_partitions[NUM_DEFAULT_PARTITIONS] = {
		{
		.name = "boot firmware",
		.size = CONFIG_ETRAX_PTABLE_SECTOR,
		.offset = 0
		},
		{
		.name = "kernel",
		.size = 0x200000 - (6 * CONFIG_ETRAX_PTABLE_SECTOR),
		.offset = CONFIG_ETRAX_PTABLE_SECTOR
		},
		{
		.name = "filesystem",
		.size = 5 * CONFIG_ETRAX_PTABLE_SECTOR,
		.offset = 0x200000 - (5 * CONFIG_ETRAX_PTABLE_SECTOR)
		}
		};
		#if (MAX_PARTITIONS < NUM_DEFAULT_PARTITIONS)
		#error MAX_PARTITIONS must be >= than NUM_DEFAULT_PARTITIONS
		#endif

		/* Initialize the ones normally used. */
		static struct mtd_partition axis_partitions[MAX_PARTITIONS] = {
		@@ -178,6 +172,56 @@ static struct mtd_partition axis_partitions[MAX_PARTITIONS] = {
		},
		};


		/* If no partition-table was found, we use this default-set.
		* Default flash size is 8MB (NOR). CONFIG_ETRAX_PTABLE_SECTOR is most
		* likely the size of one flash block and "filesystem"-partition needs
		* to be >=5 blocks to be able to use JFFS.
		*/
		static struct mtd_partition axis_default_partitions[NUM_DEFAULT_PARTITIONS] = {
		{
		.name = "boot firmware",
		.size = CONFIG_ETRAX_PTABLE_SECTOR,
		.offset = 0
		},
		{
		.name = "kernel",
		.size = 10 * CONFIG_ETRAX_PTABLE_SECTOR,
		.offset = CONFIG_ETRAX_PTABLE_SECTOR
		},
		#define FILESYSTEM_SECTOR (11 * CONFIG_ETRAX_PTABLE_SECTOR)
		#ifdef CONFIG_ETRAX_NANDBOOT
		{
		.name = "rootfs",
		.size = 10 * CONFIG_ETRAX_PTABLE_SECTOR,
		.offset = FILESYSTEM_SECTOR
		},
		#undef FILESYSTEM_SECTOR
		#define FILESYSTEM_SECTOR (21 * CONFIG_ETRAX_PTABLE_SECTOR)
		#endif
		{
		.name = "rwfs",
		.size = DEFAULT_MEDIA_SIZE - FILESYSTEM_SECTOR,
		.offset = FILESYSTEM_SECTOR
		}
		};

		#ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
		/* Main flash device */
		static struct mtd_partition main_partition = {
		.name = "main",
		.size = 0,
		.offset = 0
		};
		#endif

		/* Auxilliary partition if we find another flash */
		static struct mtd_partition aux_partition = {
		.name = "aux",
		.size = 0,
		.offset = 0
		};

		/*
		* Probe a chip select for AMD-compatible (JEDEC) or CFI-compatible flash
		* chips in that order (because the amd_flash-driver is faster).
		@@ -204,7 +248,7 @@ static struct mtd_info probe_cs(struct map_info map_cs)
		/*
		* Probe each chip select individually for flash chips. If there are chips on
		* both cse0 and cse1, the mtd_info structs will be concatenated to one struct
		* so that MTD partitions can cross chip boundaries.
		* so that MTD partitions can cross chip boundries.
		*
		* The only known restriction to how you can mount your chips is that each
		* chip select must hold similar flash chips. But you need external hardware
		@@ -216,9 +260,8 @@ static struct mtd_info *flash_probe(void)
		{
		struct mtd_info *mtd_cse0;
		struct mtd_info *mtd_cse1;
		struct mtd_info *mtd_nand = NULL;
		struct mtd_info *mtd_total;
		struct mtd_info *mtds[3];
		struct mtd_info *mtds[2];
		int count = 0;

		if ((mtd_cse0 = probe_cs(&map_cse0)) != NULL)
		@@ -226,12 +269,7 @@ static struct mtd_info *flash_probe(void)
		if ((mtd_cse1 = probe_cs(&map_cse1)) != NULL)
		mtds[count++] = mtd_cse1;

		#ifdef CONFIG_ETRAX_NANDFLASH
		if ((mtd_nand = crisv32_nand_flash_probe()) != NULL)
		mtds[count++] = mtd_nand;
		#endif

		if (!mtd_cse0 && !mtd_cse1 && !mtd_nand) {
		if (!mtd_cse0 && !mtd_cse1) {
		/* No chip found. */
		return NULL;
		}
		@@ -245,9 +283,7 @@ static struct mtd_info *flash_probe(void)
		* So we use the MTD concatenation layer instead of further
		* complicating the probing procedure.
		*/
		mtd_total = mtd_concat_create(mtds,
		count,
		"cse0+cse1+nand");
		mtd_total = mtd_concat_create(mtds, count, "cse0+cse1");
		#else
		printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel "
		"(mis)configuration!\n", map_cse0.name, map_cse1.name);
		@@ -258,58 +294,159 @@ static struct mtd_info *flash_probe(void)
		map_cse0.name, map_cse1.name);

		/* The best we can do now is to only use what we found
		* at cse0.
		*/
		* at cse0. */
		mtd_total = mtd_cse0;
		map_destroy(mtd_cse1);
		}
		} else {
		mtd_total = mtd_cse0? mtd_cse0 : mtd_cse1 ? mtd_cse1 : mtd_nand;

		}
		} else
		mtd_total = mtd_cse0 ? mtd_cse0 : mtd_cse1;

		return mtd_total;
		}

		extern unsigned long crisv32_nand_boot;
		extern unsigned long crisv32_nand_cramfs_offset;

		/*
		* Probe the flash chip(s) and, if it succeeds, read the partition-table
		* and register the partitions with MTD.
		*/
		static int __init init_axis_flash(void)
		{
		struct mtd_info *mymtd;
		struct mtd_info *main_mtd;
		struct mtd_info *aux_mtd = NULL;
		int err = 0;
		int pidx = 0;
		struct partitiontable_head *ptable_head = NULL;
		struct partitiontable_entry *ptable;
		int use_default_ptable = 1; /* Until proven otherwise. */
		const char *pmsg = KERN_INFO " /dev/flash%d at 0x%08x, size 0x%08x\n";
		static char page[512];
		int ptable_ok = 0;
		static char page[PAGESIZE];
		size_t len;
		int ram_rootfs_partition = -1; /* -1 => no RAM rootfs partition */
		int part;

		/* We need a root fs. If it resides in RAM, we need to use an
		* MTDRAM device, so it must be enabled in the kernel config,
		* but its size must be configured as 0 so as not to conflict
		* with our usage.
		*/
		#if !defined(CONFIG_MTD_MTDRAM) \|\| (CONFIG_MTDRAM_TOTAL_SIZE != 0) \|\| (CONFIG_MTDRAM_ABS_POS != 0)
		if (!romfs_in_flash && !nand_boot) {
		printk(KERN_EMERG "axisflashmap: Cannot create an MTD RAM "
		"device; configure CONFIG_MTD_MTDRAM with size = 0!\n");
		panic("This kernel cannot boot from RAM!\n");
		}
		#endif

		#ifndef CONFIG_ETRAX_VCS_SIM
		main_mtd = flash_probe();
		if (main_mtd)
		printk(KERN_INFO "%s: 0x%08x bytes of NOR flash memory.\n",
		main_mtd->name, main_mtd->size);

		#ifdef CONFIG_ETRAX_NANDFLASH
		aux_mtd = crisv32_nand_flash_probe();
		if (aux_mtd)
		printk(KERN_INFO "%s: 0x%08x bytes of NAND flash memory.\n",
		aux_mtd->name, aux_mtd->size);

		#ifndef CONFIG_ETRAXFS_SIM
		mymtd = flash_probe();
		mymtd->read(mymtd, CONFIG_ETRAX_PTABLE_SECTOR, 512, &len, page);
		ptable_head = (struct partitiontable_head *)(page + PARTITION_TABLE_OFFSET);
		#ifdef CONFIG_ETRAX_NANDBOOT
		{
		struct mtd_info *tmp_mtd;

		printk(KERN_INFO "axisflashmap: Set to boot from NAND flash, "
		"making NAND flash primary device.\n");
		tmp_mtd = main_mtd;
		main_mtd = aux_mtd;
		aux_mtd = tmp_mtd;
		}
		#endif /* CONFIG_ETRAX_NANDBOOT */
		#endif /* CONFIG_ETRAX_NANDFLASH */

		if (!mymtd) {
		if (!main_mtd && !aux_mtd) {
		/* There's no reason to use this module if no flash chip can
		* be identified. Make sure that's understood.
		*/
		printk(KERN_INFO "axisflashmap: Found no flash chip.\n");
		} else {
		printk(KERN_INFO "%s: 0x%08x bytes of flash memory.\n",
		mymtd->name, mymtd->size);
		axisflash_mtd = mymtd;
		}

		if (mymtd) {
		mymtd->owner = THIS_MODULE;
		#if 0 /* Dump flash memory so we can see what is going on */
		if (main_mtd) {
		int sectoraddr, i;
		for (sectoraddr = 0; sectoraddr < 2*65536+4096;
		sectoraddr += PAGESIZE) {
		main_mtd->read(main_mtd, sectoraddr, PAGESIZE, &len,
		page);
		printk(KERN_INFO
		"Sector at %d (length %d):\n",
		sectoraddr, len);
		for (i = 0; i < PAGESIZE; i += 16) {
		printk(KERN_INFO
		"%02x %02x %02x %02x "
		"%02x %02x %02x %02x "
		"%02x %02x %02x %02x "
		"%02x %02x %02x %02x\n",
		page[i] & 255, page[i+1] & 255,
		page[i+2] & 255, page[i+3] & 255,
		page[i+4] & 255, page[i+5] & 255,
		page[i+6] & 255, page[i+7] & 255,
		page[i+8] & 255, page[i+9] & 255,
		page[i+10] & 255, page[i+11] & 255,
		page[i+12] & 255, page[i+13] & 255,
		page[i+14] & 255, page[i+15] & 255);
		}
		}
		}
		#endif

		if (main_mtd) {
		main_mtd->owner = THIS_MODULE;
		axisflash_mtd = main_mtd;

		loff_t ptable_sector = CONFIG_ETRAX_PTABLE_SECTOR;

		/* First partition (rescue) is always set to the default. */
		pidx++;
		#ifdef CONFIG_ETRAX_NANDBOOT
		/* We know where the partition table should be located,
		* it will be in first good block after that.
		*/
		int blockstat;
		do {
		blockstat = main_mtd->block_isbad(main_mtd,
		ptable_sector);
		if (blockstat < 0)
		ptable_sector = 0; /* read error */
		else if (blockstat)
		ptable_sector += main_mtd->erasesize;
		} while (blockstat && ptable_sector);
		#endif
		if (ptable_sector) {
		main_mtd->read(main_mtd, ptable_sector, PAGESIZE,
		&len, page);
		ptable_head = &((struct partitiontable *) page)->head;
		}

		#if 0 /* Dump partition table so we can see what is going on */
		printk(KERN_INFO
		"axisflashmap: flash read %d bytes at 0x%08x, data: "
		"%02x %02x %02x %02x %02x %02x %02x %02x\n",
		len, CONFIG_ETRAX_PTABLE_SECTOR,
		page[0] & 255, page[1] & 255,
		page[2] & 255, page[3] & 255,
		page[4] & 255, page[5] & 255,
		page[6] & 255, page[7] & 255);
		printk(KERN_INFO
		"axisflashmap: partition table offset %d, data: "
		"%02x %02x %02x %02x %02x %02x %02x %02x\n",
		PARTITION_TABLE_OFFSET,
		page[PARTITION_TABLE_OFFSET+0] & 255,
		page[PARTITION_TABLE_OFFSET+1] & 255,
		page[PARTITION_TABLE_OFFSET+2] & 255,
		page[PARTITION_TABLE_OFFSET+3] & 255,
		page[PARTITION_TABLE_OFFSET+4] & 255,
		page[PARTITION_TABLE_OFFSET+5] & 255,
		page[PARTITION_TABLE_OFFSET+6] & 255,
		page[PARTITION_TABLE_OFFSET+7] & 255);
		#endif
		}
		pidx++; /* First partition is always set to the default. */

		if (ptable_head && (ptable_head->magic == PARTITION_TABLE_MAGIC)
		&& (ptable_head->size <
		@@ -322,7 +459,6 @@ static int __init init_axis_flash(void)
		/* Looks like a start, sane length and end of a
		* partition table, lets check csum etc.
		*/
		int ptable_ok = 0;
		struct partitiontable_entry *max_addr =
		(struct partitiontable_entry *)
		((unsigned long)ptable_head + sizeof(*ptable_head) +
		@@ -346,104 +482,170 @@ static int __init init_axis_flash(void)
		ptable_ok = (csum == ptable_head->checksum);

		/* Read the entries and use/show the info. */
		printk(KERN_INFO " Found a%s partition table at 0x%p-0x%p.\n",
		printk(KERN_INFO "axisflashmap: "
		"Found a%s partition table at 0x%p-0x%p.\n",
		(ptable_ok ? " valid" : "n invalid"), ptable_head,
		max_addr);

		/* We have found a working bootblock. Now read the
		* partition table. Scan the table. It ends when
		* there is 0xffffffff, that is, empty flash.
		* partition table. Scan the table. It ends with 0xffffffff.
		*/
		while (ptable_ok
		&& ptable->offset != 0xffffffff
		&& ptable->offset != PARTITIONTABLE_END_MARKER
		&& ptable < max_addr
		&& pidx < MAX_PARTITIONS) {
		&& pidx < MAX_PARTITIONS - 1) {

		axis_partitions[pidx].offset = offset + ptable->offset + (crisv32_nand_boot ? 16384 : 0);
		axis_partitions[pidx].offset = offset + ptable->offset;
		#ifdef CONFIG_ETRAX_NANDFLASH
		if (main_mtd->type == MTD_NANDFLASH) {
		axis_partitions[pidx].size =
		(((ptable+1)->offset ==
		PARTITIONTABLE_END_MARKER) ?
		main_mtd->size :
		((ptable+1)->offset + offset)) -
		(ptable->offset + offset);

		} else
		#endif /* CONFIG_ETRAX_NANDFLASH */
		axis_partitions[pidx].size = ptable->size;

		printk(pmsg, pidx, axis_partitions[pidx].offset,
		axis_partitions[pidx].size);
		#ifdef CONFIG_ETRAX_NANDBOOT
		/* Save partition number of jffs2 ro partition.
		* Needed if RAM booting or root file system in RAM.
		*/
		if (!nand_boot &&
		ram_rootfs_partition < 0 && /* not already set */
		ptable->type == PARTITION_TYPE_JFFS2 &&
		(ptable->flags & PARTITION_FLAGS_READONLY_MASK) ==
		PARTITION_FLAGS_READONLY)
		ram_rootfs_partition = pidx;
		#endif /* CONFIG_ETRAX_NANDBOOT */
		pidx++;
		ptable++;
		}
		use_default_ptable = !ptable_ok;
		}

		if (romfs_in_flash) {
		/* Add an overlapping device for the root partition (romfs). */
		/* Decide whether to use default partition table. */
		/* Only use default table if we actually have a device (main_mtd) */

		axis_partitions[pidx].name = "romfs";
		if (crisv32_nand_boot) {
		char* data = kmalloc(1024, GFP_KERNEL);
		int len;
		int offset = crisv32_nand_cramfs_offset & ~(1024-1);
		char* tmp;

		mymtd->read(mymtd, offset, 1024, &len, data);
		tmp = &data[crisv32_nand_cramfs_offset % 512];
		axis_partitions[pidx].size = (unsigned)(tmp + 4);
		axis_partitions[pidx].offset = crisv32_nand_cramfs_offset;
		kfree(data);
		} else {
		axis_partitions[pidx].size = romfs_length;
		axis_partitions[pidx].offset = romfs_start - FLASH_CACHED_ADDR;
		struct mtd_partition *partition = &axis_partitions[0];
		if (main_mtd && !ptable_ok) {
		memcpy(axis_partitions, axis_default_partitions,
		sizeof(axis_default_partitions));
		pidx = NUM_DEFAULT_PARTITIONS;
		ram_rootfs_partition = DEFAULT_ROOTFS_PARTITION_NO;
		}

		/* Add artificial partitions for rootfs if necessary */
		if (romfs_in_flash) {
		/* rootfs is in directly accessible flash memory = NOR flash.
		Add an overlapping device for the rootfs partition. */
		printk(KERN_INFO "axisflashmap: Adding partition for "
		"overlapping root file system image\n");
		axis_partitions[pidx].size = romfs_length;
		axis_partitions[pidx].offset = romfs_start - FLASH_CACHED_ADDR;
		axis_partitions[pidx].name = "romfs";
		axis_partitions[pidx].mask_flags \|= MTD_WRITEABLE;

		printk(KERN_INFO
		" Adding readonly flash partition for romfs image:\n");
		printk(pmsg, pidx, axis_partitions[pidx].offset,
		axis_partitions[pidx].size);
		ram_rootfs_partition = -1;
		pidx++;
		} else if (romfs_length && !nand_boot) {
		/* romfs exists in memory, but not in flash, so must be in RAM.
		* Configure an MTDRAM partition. */
		if (ram_rootfs_partition < 0) {
		/* None set yet, put it at the end */
		ram_rootfs_partition = pidx;
		pidx++;
		}

		if (mymtd) {
		if (use_default_ptable) {
		printk(KERN_INFO " Using default partition table.\n");
		err = add_mtd_partitions(mymtd, axis_default_partitions,
		NUM_DEFAULT_PARTITIONS);
		} else {
		err = add_mtd_partitions(mymtd, axis_partitions, pidx);
		printk(KERN_INFO "axisflashmap: Adding partition for "
		"root file system image in RAM\n");
		axis_partitions[ram_rootfs_partition].size = romfs_length;
		axis_partitions[ram_rootfs_partition].offset = romfs_start;
		axis_partitions[ram_rootfs_partition].name = "romfs";
		axis_partitions[ram_rootfs_partition].mask_flags \|=
		MTD_WRITEABLE;
		}

		if (err) {
		panic("axisflashmap could not add MTD partitions!\n");
		#ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
		if (main_mtd) {
		main_partition.size = main_mtd->size;
		err = add_mtd_partitions(main_mtd, &main_partition, 1);
		if (err)
		panic("axisflashmap: Could not initialize "
		"partition for whole main mtd device!\n");
		}
		}
		/* CONFIG_EXTRAXFS_SIM */
		#endif

		if (!romfs_in_flash) {
		/* Create an RAM device for the root partition (romfs). */
		/* Now, register all partitions with mtd.
		* We do this one at a time so we can slip in an MTDRAM device
		* in the proper place if required. */

		#if !defined(CONFIG_MTD_MTDRAM) \|\| (CONFIG_MTDRAM_TOTAL_SIZE != 0) \|\| (CONFIG_MTDRAM_ABS_POS != 0)
		/* No use trying to boot this kernel from RAM. Panic! */
		printk(KERN_EMERG "axisflashmap: Cannot create an MTD RAM "
		"device due to kernel (mis)configuration!\n");
		panic("This kernel cannot boot from RAM!\n");
		#else
		for (part = 0; part < pidx; part++) {
		if (part == ram_rootfs_partition) {
		/* add MTDRAM partition here */
		struct mtd_info *mtd_ram;

		mtd_ram = kmalloc(sizeof(struct mtd_info),
		GFP_KERNEL);
		mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL);
		if (!mtd_ram)
		panic("axisflashmap: Couldn't allocate memory "
		"for mtd_info!\n");
		printk(KERN_INFO "axisflashmap: Adding RAM partition "
		"for rootfs image.\n");
		err = mtdram_init_device(mtd_ram,
		(void *)partition[part].offset,
		partition[part].size,
		partition[part].name);
		if (err)
		panic("axisflashmap: Could not initialize "
		"MTD RAM device!\n");
		/* JFFS2 likes to have an erasesize. Keep potential
		* JFFS2 rootfs happy by providing one. Since image
		* was most likely created for main mtd, use that
		* erasesize, if available. Otherwise, make a guess. */
		mtd_ram->erasesize = (main_mtd ? main_mtd->erasesize :
		CONFIG_ETRAX_PTABLE_SECTOR);
		} else {
		err = add_mtd_partitions(main_mtd, &partition[part], 1);
		if (err)
		panic("axisflashmap: Could not add mtd "
		"partition %d\n", part);
		}
		}
		#endif /* CONFIG_EXTRAX_VCS_SIM */

		#ifdef CONFIG_ETRAX_VCS_SIM
		/* For simulator, always use a RAM partition.
		* The rootfs will be found after the kernel in RAM,
		* with romfs_start and romfs_end indicating location and size.
		*/
		struct mtd_info *mtd_ram;

		mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL);
		if (!mtd_ram) {
		panic("axisflashmap couldn't allocate memory for "
		panic("axisflashmap: Couldn't allocate memory for "
		"mtd_info!\n");
		}

		printk(KERN_INFO " Adding RAM partition for romfs image:\n");
		printk(pmsg, pidx, romfs_start, romfs_length);
		printk(KERN_INFO "axisflashmap: Adding RAM partition for romfs, "
		"at %u, size %u\n",
		(unsigned) romfs_start, (unsigned) romfs_length);

		err = mtdram_init_device(mtd_ram, (void *)romfs_start,
		romfs_length, "romfs");
		if (err) {
		panic("axisflashmap could not initialize MTD RAM "
		panic("axisflashmap: Could not initialize MTD RAM "
		"device!\n");
		}
		#endif
		#endif /* CONFIG_EXTRAX_VCS_SIM */

		#ifndef CONFIG_ETRAX_VCS_SIM
		if (aux_mtd) {
		aux_partition.size = aux_mtd->size;
		err = add_mtd_partitions(aux_mtd, &aux_partition, 1);
		if (err)
		panic("axisflashmap: Could not initialize "
		"aux mtd device!\n");

		}
		#endif /* CONFIG_EXTRAX_VCS_SIM */

		return err;
		}

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