mtd support for large NAND
Jörn Engel
joern at logfs.org
Tue Oct 16 15:55:22 EDT 2007
On Wed, 17 October 2007 08:47:46 +1300, Charles Manning wrote:
> On Tuesday 16 October 2007 23:47:27 Jörn Engel wrote:
> > On Fri, 12 October 2007 16:36:09 +0800, falls huang wrote:
> > > How can I simulate a large nandflash(>4G) in linux PC ? I want to
> > > take a look at it, but I don't have any develop-board that has 4G
> >
> > Something like this would work:
> >
> > $ truncate 5GiB foo
> > $ qemu -s -no-kqemu -hda rootfs -hdb foo -kernel arch/i386/boot/bzImage \
> > -append "ro root=/dev/hda block2mtd.block2mtd=/dev/hdb"
> >
> > Instead of truncate you can also use dd:
> > $ dd if=/dev/zero of=foo bs=1 seek=5368709119
>
> Plus modifying mtd to handle partitions greater than the u32 size limit.
I believe Falls Huang wanted to do just that and needed a test setup.
But I may be wrong.
Jörn
--
Linux [...] existed just for discussion between people who wanted
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