Re: [microblaze-uclinux] Jffs2 flash protection

[Guillaume.Gastebois@xxxxxxxxxxxxxxxxxxx]

Hello,

Thank you for answer. I take source
(flash-unlock.c and  mtd-user.h) from linux-mtd compiled them and
that works.

Regards

ZODIAC DATA SYSTEMS SAS AEROSAFETY & TECHNOLOGY
Guillaume Gastebois Hardware/Firmware Engineer
2 rue de Caen - 14740 Bretteville l'orgueilleuse - France Tel: +33 2 31 29 4888  - Fax: +33 2 31 80 6549 guillaume.gastebois@xxxxxxxxxxxxxxxxxxx http://www.zodiacaerospace.com

"Steve Magnani" <steve@xxxxxxxxxxxxxxx>
Envoyé par : owner-microblaze-uclinux@xxxxxxxxxxxxxx

13/03/2009 15:09

Veuillez répondre à
microblaze-uclinux@xxxxxxxxxxxxxx

A	microblaze-uclinux@xxxxxxxxxxxxxx, Guillaume.Gastebois@xxxxxxxxxxxxxxxxxxx
cc
Objet	Re: [microblaze-uclinux] Jffs2 flash protection

There is a flash_unlock in the mtd-utils package,
but I don't see it in
the PetaLinux version of mtd-utils. It might need to be ported from the
master source:

http://www.linux-mtd.infradead.org/

Steve
------------------------------------------------------------------------
Steven J. Magnani          
    "I claim this network for MARS!
www.digidescorp.com              Earthling,
return my space modulator!"

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-----Original Message-----
From: Guillaume.Gastebois@xxxxxxxxxxxxxxxxxxx
To: microblaze-uclinux@xxxxxxxxxxxxxx
Date: Fri, 13 Mar 2009 10:00:25 +0100
Subject: [microblaze-uclinux] Jffs2 flash protection

> Hello,
>
> I'm trying to use a jffs2 filesystem on mtd5 using ml505 ll temac
> reference design with these commands :
>
> cd /tmp
> mkdir J
> mkfs.jffs2 -d J -o J.img
> erase /dev/mtd5
> cp J.img /dev/mtd5
> mount -t jffs2 /dev/mtdblock5 /tmp/J
>
> All works fine when I unprotect flash area in U-boot.
>
> My question is : is there a command to protect/unprotect Intel flash
> when
> petalinux image is launched ?
>
> Regards
>
> G.Gastebois


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