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

Wolfgang Denk wd at denx.de
Mon Apr 12 16:51:46 CEST 2004

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 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 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:

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
There's no honorable way to kill, no gentle way to destroy.  There is
nothing good in war.  Except its ending.
	-- Abraham Lincoln, "The Savage Curtain", stardate 5906.5

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