From: Pantelis Antoniou <panto@intracom•gr>
To: "Robert P. J. Day" <rpjday@mindspring•com>
Cc: Embedded PPC Linux list <linuxppc-embedded@ozlabs•org>
Subject: Re: looking for a model for building CRAMFS(?)-based system
Date: Thu, 17 Mar 2005 16:12:06 +0200 [thread overview]
Message-ID: <42399036.3010609@intracom.gr> (raw)
In-Reply-To: <Pine.LNX.4.61.0503161125560.5095@localhost.localdomain>
Robert P. J. Day wrote:
> i'm hoping someone has an example of the following that they're
> willing to share.
>
> currently, the system i've built for our 850 board incorporates
>
> - boot loader (sadly, not u-boot, but i'm working on it)
> - standard zImage.initrd.bin kernel+initrd image
> ... mountable JFFS2 filesystem with persistent stuff ...
>
> obviously, with this layout, it's kind of a nuisance to update
> anything individually in the initrd portion of the system, so i'd like
> to at least experiment with a layout that has separate
>
> - boot loader (ideally, u-boot)
> - kernel image
> - updateable (normally mounted read-only?) root filesystem
> ... rest of stuff the same ...
>
> i'm going to start over at DENX with their docs since that seems to
> be the canonical place to get the scoop on this but, in the meantime,
> if anyone has built something like this and is willing to share, say,
> their makefile so i can see how it goes together, i'd be thrilled.
>
> if your example happens to *require* u-boot, well, perhaps so much
> the better since that will give me the incentive to switch. :-)
We use a scheme on NAND with redundant cramfs rootfs partitions
that also contain the proper kernel image(s).
It is u-boot specific since it depends on u-boot loading the
cramfs kernel image.
For persistent storage we use a small JFFS2 partition.
>
> thanks.
>
> rday
Regards
Pantelis
next prev parent reply other threads:[~2005-03-17 14:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-16 16:33 looking for a model for building CRAMFS(?)-based system Robert P. J. Day
2005-03-17 14:12 ` Pantelis Antoniou [this message]
2005-03-17 14:59 ` Patrick Huesmann
2005-03-17 15:14 ` Robert P. J. Day
2005-03-17 15:42 ` Patrick Huesmann
2005-03-17 16:32 ` Wolfgang Denk
2005-03-17 16:35 ` Robert P. J. Day
2005-03-17 22:52 ` Wolfgang Denk
-- strict thread matches above, loose matches on Subject: below --
2005-03-17 16:17 Fillod Stephane
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