Re: [Yaffs] Is mkyaffs util avaible in CVS?

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Author: Bryan Wu
Date:  
To: Nobin Mathew
CC: linux-mtd, yaffs
Subject: Re: [Yaffs] Is mkyaffs util avaible in CVS?
On Wed, 2007-07-11 at 16:00 +0530, Nobin Mathew wrote:
> On 7/11/07, Bryan Wu <> wrote:
> > On Wed, 2007-07-11 at 14:36 +0530, Nobin Mathew wrote:
> > > For using jffs2 following are the instructions,
> > >
> > > for creating jffs2 image
> > >
> > > mkfs.jffs2 --eraseblock=blocksize --pad=pagesize --no-cleanmarkers -d
> > > rootdirectory -o imagename
> > >
> > > example
> > > mkfs.jffs2 --eraseblock=0x20000 --pad=2048 --no-cleanmarkers -d
> > > $HOME/work -o jffs2_nand
> > >
> > >
> >
> > Oh, I think it should be
> > mkfs.jffs2 --pagesize=2048 --eraseblock=0x20000 --pad=0x200000 --no-cleanmarkers -d rootfs/ -o rootfs.jffs2
>
> I think you are changing the Jffs2 page size, it is not the NAND page size
> Whatever I gave you should work.
> >

Oh, my NAND chip's page size is 2048 (2K bytes).

---
roc@roc-desktop:/opt/uclinux-dist/linux-2.6.x$ mkfs.jffs2
mkfs.jffs2: Usage: mkfs.jffs2 [OPTIONS]
Make a JFFS2 file system image from an existing directory tree 

Options:
  -p, --pad[=SIZE]        Pad output to SIZE bytes with 0xFF. If SIZE is
                          not specified, the output is padded to the end of
                          the final erase block
  -r, -d, --root=DIR      Build file system from directory DIR (default: cwd)
  -s, --pagesize=SIZE     Use page size (max data node size) SIZE (default: 4KiB)
  -e, --eraseblock=SIZE   Use erase block size SIZE (default: 64KiB)
  -c, --cleanmarker=SIZE  Size of cleanmarker (default 12)
  -m, --compr-mode=MODE   Select compression mode (default: priortiry)
  -x, --disable-compressor=COMPRESSOR_NAME
                          Disable a compressor
  -X, --enable-compressor=COMPRESSOR_NAME
                          Enable a compressor
  -y, --compressor-priority=PRIORITY:COMPRESSOR_NAME
                          Set the priority of a compressor
  -L, --list-compressors  Show the list of the avaiable compressors
  -t, --test-compression  Call decompress and compare with the original (for test)
  -n, --no-cleanmarkers   Don't add a cleanmarker to every eraseblock
  -o, --output=FILE       Output to FILE (default: stdout)
  -l, --little-endian     Create a little-endian filesystem
  -b, --big-endian        Create a big-endian filesystem
  -D, --devtable=FILE     Use the named FILE as a device table file
  -f, --faketime          Change all file times to '0' for regression testing
  -q, --squash            Squash permissions and owners making all files be owned by root
  -U, --squash-uids       Squash owners making all files be owned by root
  -P, --squash-perms      Squash permissions on all files
  -h, --help              Display this help text
  -v, --verbose           Verbose operation
  -V, --version           Display version information
  -i, --incremental=FILE  Parse FILE and generate appendage output for it
---


So I choose pagesize for 2048 and pad the whole image to 2M which aligned by 2K.

And thanks anyway, I think there are some bugs in my NAND driver, -:)

- Bryan Wu

> > This will produce a 2Mbytes jffs2 image which is aligned with 2048
> > pagesize. Then the nandwrite can write it to NAND chip.
> >
> > > Erasing flash partition use
> > > #flash_eraseall -j /dev/mtdX
> > >
> > > Burning the image
> > >
> > > #nandwrite /dev/mtdX jffs2_nand
> > >
> > > And mount the partition using
> > > mount -t jffs2 /dev/mtdblockX /mnt
> > >
> > >
> >
> > root:~> mount -t jffs2 /dev/mtdblock2 /mnt/
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> > jffs_check_nand_cleanmarker returned 1
> > jffs2_check_oob_empty returned 0
> >
> > Endless message and finally system hang.
> > Here is my JFFS2 configuration:
> >
> > CONFIG_JFFS2_FS=y
> > CONFIG_JFFS2_FS_DEBUG=2
> > CONFIG_JFFS2_FS_WRITEBUFFER=y
> > # CONFIG_JFFS2_SUMMARY is not set
> > # CONFIG_JFFS2_FS_XATTR is not set
> > # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
> > CONFIG_JFFS2_ZLIB=y
> > CONFIG_JFFS2_RTIME=y
> > # CONFIG_JFFS2_RUBIN is not set
> >
> > Sorry for asking this JFFS2 question on YAFFS2 maillist.
> >
> > Thanks
> > - Bryan Wu
> > > So there is difference in procedure for jffs2 and yaffs2
> > >
> > > Nobin Mathew
> > >
> > > On 7/11/07, Bryan Wu <> wrote:
> > > > On Wed, 2007-07-11 at 13:42 +0530, Nobin Mathew wrote:
> > > > > What all YAFFS2 options are enabled in the kernel.
> > > > > Can you try disabling the autoselect.
> > > > >
> > > >
> > > > Here is my config
> > > >
> > > > ---
> > > > CONFIG_YAFFS_FS=y
> > > > CONFIG_YAFFS_YAFFS1=y
> > > > # CONFIG_YAFFS_DOES_ECC is not set
> > > > CONFIG_YAFFS_YAFFS2=y
> > > > # CONFIG_YAFFS_AUTO_YAFFS2 is not set
> > > > # CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
> > > > CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS=10
> > > > # CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
> > > > # CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
> > > > # CONFIG_YAFFS_SHORT_NAMES_IN_RAM is not set
> > > > ---
> > > >
> > > > > Can you check the page size the driver returns.
> > > > >
> > > > > If you are developing a new driver then you first try jffs2.
> > > > >
> > > >
> > > > can I use nandwrite to program the jffs2 image to nand flash chip?
> > > > nandwrite -a -o /dev/mtdX jffs2_image
> > > >
> > > > Could you please help me to use the mkfs.jffs2 for make a jffs2 image?
> > > >
> > > > #mkfs.jffs2 -s 2KiB -e 128KiB -n -d rootfs -o rootfs.jffs2
> > > > the file size of rootfs.jffs2 will be 88Mbytes, while
> > > >
> > > > #mkfs.jffs2 -e 128KiB -n -d rootfs -o rootfs.jffs2
> > > > file size is 1.6Mbytes
> > > >
> > > > Did I miss something?
> > > >
> > > > Thanks a lot for your help.
> > > >
> > > > - Bryan Wu
> > > > > That is much more stable, and then we will come back to YAFFS2.
> > > > >
> > > > > In my case i also developed a nand controller driver. and it was
> > > > > working perfectly with above mentioned options with YAFFS2.
> > > > >
> > > > > Nobin Mathew
> > > > >
> > > > > On 7/11/07, Bryan Wu <> wrote:
> > > > > > On Wed, 2007-07-11 at 12:29 +0530, Nobin Mathew wrote:
> > > > > > > Which is your NAND chip?
> > > > > > >
> > > > > > NAND device: Manufacturer ID: 0x20, Chip ID: 0xda (ST Micro NAND 256MiB
> > > > > > 3,3V 8-bit)
> > > > > >
> > > > > > > Is it 2k page chip?
> > > > > >
> > > > > > yes, it is.
> > > > > > >
> > > > > > > Then use
> > > > > > > #flash_eraseall /dev/mtdX
> > > > > > > #nandwrite -a -o /dev/mtdX yaffs2_image
> > > > > > > #mount -t yaffs2 /dev/mtdblockX /mnt
> > > > > > >
> > > > > >
> > > > > > Here is the command log on my board:
> > > > > > ---
> > > > > > root:~> flash_eraseall /dev/mtd2
> > > > > > Erasing 128 Kibyte @ fbe0000 -- 99 % complete.
> > > > > > root:~>
> > > > > > root:~>
> > > > > > root:~> nandwrite -a -o /dev/mtd2 rootfs.yaffs2
> > > > > > Writing data to block 0
> > > > > > Writing data to block 20000
> > > > > > Writing data to block 40000
> > > > > > Writing data to block 60000
> > > > > > Writing data to block 80000
> > > > > > Writing data to block a0000
> > > > > > Writing data to block c0000
> > > > > > Writing data to block e0000
> > > > > > Writing data to block 100000
> > > > > > Writing data to block 120000
> > > > > > Writing data to block 140000
> > > > > > Writing data to block 160000
> > > > > > Writing data to block 180000
> > > > > > Writing data to block 1a0000
> > > > > > Writing data to block 1c0000
> > > > > > Writing data to block 1e0000
> > > > > > Writing data to block 200000
> > > > > > Writing data to block 220000
> > > > > > Writing data to block 240000
> > > > > > Writing data to block 260000
> > > > > > Writing data to block 280000
> > > > > > Writing data to block 2a0000
> > > > > > Writing data to block 2c0000
> > > > > > Writing data to block 2e0000
> > > > > > root:~> mount -t yaffs /dev/mtdblock2 /mnt/
> > > > > > yaffs: dev is 32505858 name is "mtdblock2"
> > > > > > yaffs: Attempting MTD mount on 31.2, "mtdblock2"
> > > > > > yaffs: auto selecting yaffs2
> > > > > > root:~> cd /mnt/
> > > > > > root:/mnt> ls
> > > > > > lost+found
> > > > > > root:/mnt>
> > > > > > root:/mnt> cat /proc/yaffs
> > > > > > YAFFS built:Jul 11 2007 15:32:43
> > > > > > $Id: yaffs_fs.c 2682 2007-01-22 03:19:29Z aubrey $
> > > > > > $Id: yaffs_guts.c 2682 2007-01-22 03:19:29Z aubrey $
> > > > > >
> > > > > > Device 0 "File System"
> > > > > > startBlock......... 0
> > > > > > endBlock........... 2015
> > > > > > chunkGroupBits..... 1
> > > > > > chunkGroupSize..... 2
> > > > > > nErasedBlocks...... 1992
> > > > > > nTnodesCreated..... 300
> > > > > > nFreeTnodes........ 35
> > > > > > nObjectsCreated.... 600
> > > > > > nFreeObjects....... 29
> > > > > > nFreeChunks........ 127542
> > > > > > nPageWrites........ 0
> > > > > > nPageReads......... 0
> > > > > > nBlockErasures..... 0
> > > > > > nGCCopies.......... 0
> > > > > > garbageCollections. 0
> > > > > > passiveGCs......... 0
> > > > > > nRetriedWrites..... 0
> > > > > > nRetireBlocks...... 0
> > > > > > eccFixed........... 0
> > > > > > eccUnfixed......... 0
> > > > > > tagsEccFixed....... 0
> > > > > > tagsEccUnfixed..... 0
> > > > > > cacheHits.......... 0
> > > > > > nDeletedFiles...... 0
> > > > > > nUnlinkedFiles..... 0
> > > > > > nBackgroudDeletions 0
> > > > > > useNANDECC......... 1
> > > > > > isYaffs2........... 1
> > > > > > ---
> > > > > >
> > > > > > The rootfs.yaffs2 is made by mkyaffs2image tool from a rootfs dir.
> > > > > > Why there is no rootfs subdirs such as bin/ lib/ etc/ ...?
> > > > > >
> > > > > > Thanks
> > > > > > - Bryan Wu
> > > > > >
> > > > > > > Nobin Mathew
> > > > > > >
> > > > > > > On 7/11/07, Bryan Wu <> wrote:
> > > > > > > > On Wed, 2007-07-11 at 12:07 +0530, Nobin Mathew wrote:
> > > > > > > > > This is the link to yaffs2 source
> > > > > > > > > http://www.aleph1.co.uk/cgi-bin/viewcvs.cgi/yaffs2/
> > > > > > > >
> > > > > > > > Yeah, I got this source. But there is no mkyaffs
> > > > > > > > >
> > > > > > > > > You can use flash_eraseall and nandwrite tools from mtd_utils
> > > > > > > >
> > > > > > > > I am not sure my method, please help me to point out some wrong:
> > > > > > > > $ flash_eraseall /dev/mtd2
> > > > > > > > $ nandwrite -y -p /dev/mtd2 rootfs.yaffs2
> > > > > > > >
> > > > > > > > right?
> > > > > > > >
> > > > > > > > I use mkyaffs as this:
> > > > > > > >
> > > > > > > > $ eraseall /dev/mtd2    /* old mtd-utils provide eraseall */
> > > > > > > > $ mkyaffs -e /dev/mtd2
> > > > > > > > $ mount -t yaffs /dev/mtdblock2 /mnt
> > > > > > > > $ cp "necessary files" /mnt
> > > > > > > > $ umount /mnt

> > > > > > > >
> > > > > > > > Then I can reboot my board mounting /dev/mtdblock2 yaffs2 as rootfs.
> > > > > > > >
> > > > > > > > Thanks
> > > > > > > > - Bryan Wu
> > > > > > > >
> > > > > > > > >
> > > > > > > > > On 7/11/07, Bryan Wu <> wrote:
> > > > > > > > > > Hi folks,
> > > > > > > > > >
> > > > > > > > > > I am developing Blackfin NAND Flash Controller driver.
> > > > > > > > > >
> > > > > > > > > > YAFFS2 should be OK on our platform. I can't found the mkyaffs tool in
> > > > > > > > > > the CVS now, how can I format a NAND partition as YAFFS2 without mkyaffs
> > > > > > > > > > tool?
> > > > > > > > > >
> > > > > > > > > > Thanks
> > > > > > > > > > - Bryan Wu
> > > > > > > > > >
> > > > > > > > > > _______________________________________________
> > > > > > > > > > yaffs mailing list
> > > > > > > > > >
> > > > > > > > > > http://lists.aleph1.co.uk/cgi-bin/mailman/listinfo/yaffs
> > > > > > > > > >
> > > > > > > >
> > > > > >
> > > >
> >


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