JFFS2 on the Host

JFFS2 on the Host

[Cedric Aubert]

Hi,

I have read some documentation about jffs2 but I don't
find what I want (may be I am to difficult !! :-).

I found how configure my flash on the target and by
the
target.

Kernel configuration OK -> Next Eraseall
-> mount or make a jffs2 image and cp it before mount

it's ok. But How can I make a full Binary Image of my
flash partition (good size) on my host and after
transfer it on the target at the right
place with my loader (u-boot for example) ??

Thanks a lot

Cedric

=====
AUBERT Cedric
SDEL Controle Commande
rue Nungesser & Coli
44860 St Aignan de Grand Lieu

E-mail : cedric_aubert@yahoo.fr
Http : http://www.controle-commande.sdel.fr/


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Re: JFFS2 on the Host

[Steven Scholz]

Cedric,

> it's ok. But How can I make a full Binary Image of my
> flash partition (good size) on my host and after
> transfer it on the target at the right
> place with my loader (u-boot for example) ??

I am not sure if I understand your question. But if you want to know
how to create a flash image that you can burn onto your target then my
answer will be:

1. Create a root file system directory structure on your host.
    (e.g. use SELF from www.denx.de)
2. Run mkfs.jffs2 on this directory (make sure you use the correct
endianess) to create the flash image
3. Burn the resulting image onto your target using BDI2000 or U-Boot...

Hope this helps!

Steven


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Re: JFFS2 on the Host

[Thomas Gleixner]

On Thursday 17 April 2003 15:15, Cedric Aubert wrote:
> Hi,
>
> I have read some documentation about jffs2 but I don't
> find what I want (may be I am to difficult !! :-).
>
> I found how configure my flash on the target and by
> the
> target.
>
> Kernel configuration OK -> Next Eraseall
> -> mount or make a jffs2 image and cp it before mount
>
> it's ok. But How can I make a full Binary Image of my
> flash partition (good size) on my host and after
> transfer it on the target at the right
> place with my loader (u-boot for example) ??

The mtd tool you need is mkfs.jffs2, which is available in the MTD source code
from http://linux-mtd.infradead.org. It's in directory utils. There is a man
page too. Be aware of endianess switches for mkfs.jffs2!

--
Thomas
________________________________________________________________________
linutronix - competence in embedded & realtime linux
http://www.linutronix.de
mail: tglx@linutronix.de


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