# modprobe mtdblock

# modprobe ubi

# modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte=0x15

# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 10000000 00020000 "NAND simulator partition 0"

# ls -la /dev/mtd*
brw-r--r-- 1 root root 31, 0 2009-12-01 18:50 /dev/mtd0
brw-rw---- 1 root disk 31, 0 2009-12-01 19:06 /dev/mtdblock0

# dd if=rootfs.jffs2 of=/dev/mtdblock0 bs=2048
74688+0 records in
74688+0 records out
152961024 bytes (153 MB) copied, 5.87334 s, 26.0 MB/s

# ubiattach /dev/ubi_ctrl -m 0
UBI device number 0, total 2048 LEBs (264241152 bytes, 252.0 MiB), available 0 LEBs (0 bytes), LEB size 129024 bytes (126.0 KiB)

# ls -la /dev/ubi*
crw-rw---- 1 root root 252,  0 2009-12-01 19:06 /dev/ubi0
crw-rw---- 1 root root 252,  1 2009-12-01 19:06 /dev/ubi0_0
crw-rw---- 1 root root  10, 58 2009-12-01 19:05 /dev/ubi_ctrl
# mount -t ubifs ubi0_0 /mnt/n900/

# ls -la /mnt/n900 | head
total 4
drwxr-xr-x 22 root root 1504 2009-10-30 14:36 .
drwxr-xr-x  9 root root 4096 2009-10-25 20:02 ..
drwxr-xr-x  2 root root 3920 2009-10-30 14:31 bin
drwxr-xr-x  2 root root  232 2009-10-30 14:48 boot
drwxr-xr-x  2 root root  160 2009-10-30 14:28 cdrom
drwxr-xr-x  3 root root 3808 2009-10-30 14:37 dev
drwxr-xr-x  2 root root  160 2009-10-30 14:28 .dev
drwxr-xr-x 72 root root 7488 2009-10-30 14:48 etc
drwxr-xr-x  2 root root  160 2009-10-30 14:28 floppy

#

# mkfs.ubifs -m 2048 -e 129024 -c 2047 -r /mnt/n900/ rootfs_ubifs.jffs2

# cat > cfg.ini
[rootfs]
mode=ubi
image=rootfs_ubifs.jffs2
vol_id=0
vol_size=160MiB
vol_type=dynamic
vol_name=rootfs
vol_flags=autoresize
vol_alignment=1

# ubinize -o rootfs_new.jffs2 -p 128KiB -m 2048 -s 512 cfg.ini

# ./flasher-3.5 -f -R -r rootfs_new.jffs2