Hi Amol S:
Have you solved the problem you post?
I encounter a similar one, and I need your advice, Thanks very much!
I use:
board: DM6446 DVEVM
NAND device: Manufacturer ID: 0xec, Chip ID: 0x36 (K9F1208R0B)
MV Linux: Linux version 2.6.10_mvl401-davinci_evm gcc version 3.4.3
Best regards!
YuHuanhuan
Error while mounting JFFS2 from NAND as root file system
Amol S amol.shrotri at einfochips.com
Tue Nov 20 02:12:10 CST 2007
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Hello All,
For the first time I am working on NAND flash file system.
I have Davinci base board with NAND flash with 2K page size and 128K erase
block size.
I am trying to boot the board with root file system on NAND.
I am setting MTD partitions as follows.
Creating 5 MTD partitions on "nand_davinci.0":
0x00000000-0x00040000 : "bootloader"
0x00040000-0x00060000 : "params"
0x00060000-0x00460000 : "kernel"
0x00460000-0x04000000 : "filesystem"
0x04000000-0x08000000 : "application_partition"
I created JFFS2 image with following command.
mkfs.jffs2 -s 2048 -e 128 --no-cleanmarkers -o nand_jffs2.img -d
nand_jffs2
Then I am writing the same image with following commands on NAND.
#> flash_eraseall -j /dev/mtd3
#> nandwrite -jp /dev/mtd3 nana_jffs2.img
I am not getting any error for above any operation.
Then I am rebooting the board with bootarga as
setenv bootargs 'mem=128M console=ttyS0,115200n8 noinitrd
root=/dev/mtdblock3 rootfstype=jffs2 rw video=dm64xxfb:output=ntsc ip=dhcp
But getting error after getting root FS mounted as
jffs2_scan_dirent_node(): Name CRC failed on node at 0x001a8fe0: Read
0x6d4d9a65, calculated 0x6d499a65
mtd->read(0x1f98c bytes from 0x1c0674) returned ECC error
jffs2_scan_eraseblock(): Node at 0x0025800c {0x1985, 0xe001, 0x0000002f)
has
invalid CRC 0xf244f931 (calculated 0xf244f9b1)
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00258010:
0x002f instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00258014:
0xf931 instead
..........................................
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