From: "Stephan Linke" <Stephan.Linke@epygi.de>
To: "Linux-Mtd" <linux-mtd@lists.infradead.org>
Subject: FW: Re: mapping of boot loader offset
Date: Fri, 12 Apr 2002 11:47:48 +0200 [thread overview]
Message-ID: <FCEAKDJJAPHPLJFINDAJOECDCEAA.Stephan.Linke@epygi.de> (raw)
> -----Original Message-----
> From: Stephan Linke [mailto:Stephan.Linke@epygi.de]
> Sent: Donnerstag, 11. April 2002 18:50
> To: Tino Keitel
> Cc: Linux-Mtd-Admin <---------- :o) oops
> Subject: RE: mapping of boot loader offset
>
>
> Hi!
>
> You may probably fix it by using the mapping file for your mtd
> driver. I mean the stuff placed in drivers/mtd/maps.
>
> Here you have the chance to manipulate the addresses of the flash
> access. You have to call the real access function of the actual
> flash driver. So you could simply check the offset of the access
> and if its above the "magic" address of your boot loader you
> could add an additional offset. That's it. I didn't do that yet
> and I think it's not the basic intantion of that mapping files.
> (I think they should be used to split up flash areas, not to
> connect them.) But I think it could work.
>
> Maybe someone else has an "official" idea ;-). If not...
>
> Regards, Stephan
>
> > -----Original Message-----
> > From: linux-mtd-admin@lists.infradead.org
> > [mailto:linux-mtd-admin@lists.infradead.org]On Behalf Of Tino Keitel
> > Sent: Donnerstag, 11. April 2002 16:30
> > To: linux-mtd@lists.infradead.org
> > Subject: mapping of boot loader offset
> >
> >
> > Hi folks,
> >
> > I wonder what to do if a processor looks for its BIOS/loader at a
> > specified
> > address that is somewhere in the middle of a flash chip. The same
> > chip will
> > contain one JFFS2. The boot loader area will have to be mapped
> out of the
> > file system. Is there already something that MTD can do for me?
> >
> > Regards,
> > Tino
> >
> > --
> > tino.keitel@innominate.com
> > dipl.-inf. Innominate Security Technologies AG
> > software engineer networking people
> > tel: +49.30.6392-3308 http://www.innominate.com/
> >
> > ______________________________________________________
> > Linux MTD discussion mailing list
> > http://lists.infradead.org/mailman/listinfo/linux-mtd/
> >
reply other threads:[~2002-04-12 9:47 UTC|newest]
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