[U-Boot] Writing a YAFFS image to NAND

Mike Frysinger vapier at gentoo.org
Wed May 20 01:29:53 CEST 2009


On Friday 03 April 2009 14:54:06 Scott Wood wrote:
> Peter Barada wrote:
> > Is there support in the 2009.03 version of U-boot to allow writing a
> > YAFFS image created by mkyaffs2image to NAND, including the meta-data in
> > the OOB?
>
> Not that I know of (unless something in cmd_yaffs2.c can do it).
>
> > Looking over the nand write/read commands, they look to ignore the OOB
> > data interleaved in the image (i.e. 2048+16 bytes per page for
> > large-block NAND).  I did see a patch from fmandarino on the list, but
> > that doesn't look to be in the 2009.03 codebase.
>
> That was several years ago; if someone wants to submit a proper patch
> against current u-boot (without the pre-2.6.18 support, or at least with
> the newer format being the default), I'll apply it.  Better yet would be
> a more general mechanism whereby the user specifies how many OOB bytes
> are interleaved in the supplied image, without any specific knowledege
> of yaffs.

here's an updated patch for 2009.03, but i dont think it'll work with latest
master due to all the oob stuff being dropped ?
http://git.denx.de/?p=u-boot/u-boot-blackfin.git;a=commitdiff;h=44f07de8cc94836cd3b0fd2fb0cf8b8651461087
-mike
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