[U-Boot-Users] Re: How to create the JFFS2?

[Wolfgang Denk]

In message <BAY9-F29iP3ih1oVNkE000114ad at hotmail.com> you wrote:
> The embedded system i will use is JFFS2, I followed the steps of DULG,
> run net_nfs, at first,I suppose the uRamdisk is in /tmp/flashtools
> but the wrong message is following :
> root at 172.16.115.7:/# mkfs.jffs2 --pad=4194304 --eraseblock=262144 \
> > --root=/tmp/flashtools/ --output image.jffs2

does this really match your system parameters?

> eraseall /dev/mtd4
> eraseall: /dev/mtd4: No such device
> root at 172.16.115.7:/# dd if=image.jffs2 of=/dev/mtd4 bs=256k
> dd: opening `/dev/mtd4': No such device

Did you enable MTD in your Linux kernel?

> but there has /dev/mtd4 ,this is why? what is the following steps for 
> creating JFFS2?

Go back in the DULG to read the section about MTD:
http://www.denx.de/twiki/bin/view/DULG/FlashFilesystemsMTD

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
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