[U-Boot] UBI on NAND flash again

Daniel Mack daniel at caiaq.de
Thu Jun 4 08:50:21 CEST 2009


On Thu, Jun 04, 2009 at 08:42:40AM +0200, Stefan Roese wrote:
> > defaults:
> > mtdids  : nand0=nand0
> > mtdparts:
> > mtdparts=nand0:512k(u-boot),128k(env),384k(splash),3M(kernel),-(ubilayer) $
> > ubi part ubilayer
> > Creating 1 MTD partitions on "nand0":
> > 0x00400000-0x08000000 : "mtd=4"
> > UBI: attaching mtd1 to ubi0
> > UBI: physical eraseblock size:   131072 bytes (128 KiB)
> > UBI: logical eraseblock size:    126976 bytes
> > UBI: smallest flash I/O unit:    2048
> > UBI: VID header offset:          2048 (aligned 2048)
> > UBI: data offset:                4096
> > UBI error: ubi_init: cannot attach mtd1
> > UBI error: ubi_init: UBI error: cannot initialize UBI, error -12
> > UBI init error -12
> > exit not allowed from main input shell.
> 
> Did you erase the FLASH partition? If not please try again after erasing.

I used ubiformat from Linux using /dev/ubi0 which is attached to
/dev/mtd4 which again points to the same area in the flash than
'ubilayer' does in U-Boot. So I should be able to access that same
volume from the bootloader, right? Or do I miss some important point?

Thanks,
Daniel


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