From: David Gibson <dwg@au1.ibm.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Stefan Roese <sr@denx.de>
Subject: Re: [patch 3/4] 4xx: Convert Walnut flash mappings to new binding
Date: Mon, 17 Sep 2007 12:03:08 +1000 [thread overview]
Message-ID: <20070917020308.GF32725@localhost.localdomain> (raw)
In-Reply-To: <addcdbe0ab5b83aa58fc4e7df37b0925@kernel.crashing.org>
On Sat, Sep 15, 2007 at 09:20:10PM +0200, Segher Boessenkool wrote:
> >> Maybe we can have U-Boot add the partition information if it's
> >> missing in the device tree, and extend the mtdparts command in U-Boot
> >> to add / adjust settings so they match what is defined in U-Boot.
> >
> > That would be great for newer U-Boots. For existing older ones, it
> > doesn't really solve the problem. But then again, there's no way to
> > possibly define all the partitioning schemes people may have adopted to
> > their needs on their boards. And I believe that is why David has
> > RedBoot and command line partitioning override what is in the DTS
> > today.
>
> Yeah, partitioning information really doesn't belong in the device
> tree -- with the possible exception of the partitions that the
> firmware (uboot in this case) needs to know about anyway.
Indeed - but we had just the same problem, only worse, with the old
approach of hardcoded, configured-in flash maps.
> You *can* put all partitioning info in the device tree, but that
> doesn't mean you *should* :-)
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2007-09-17 2:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 18:54 [patch 0/4] Small 4xx updates for 2.6.24 Josh Boyer
2007-09-14 18:54 ` [patch 1/4] cuimage for Bamboo board Josh Boyer
2007-09-15 2:19 ` David Gibson
2007-09-15 14:26 ` Josh Boyer
2007-09-14 18:54 ` [patch 2/4] Make partitions optional in physmap_of Josh Boyer
2007-09-15 2:21 ` David Gibson
2007-09-14 18:54 ` [patch 3/4] 4xx: Convert Walnut flash mappings to new binding Josh Boyer
2007-09-15 2:22 ` David Gibson
2007-09-15 14:25 ` Josh Boyer
2007-09-15 3:23 ` Stefan Roese
2007-09-15 14:26 ` Josh Boyer
2007-09-15 15:09 ` Wolfgang Denk
2007-09-15 17:35 ` Josh Boyer
2007-09-15 19:20 ` Segher Boessenkool
2007-09-17 2:03 ` David Gibson [this message]
2007-09-17 2:02 ` David Gibson
2007-09-14 18:54 ` [patch 4/4] 4xx: Convert Seqouia " Josh Boyer
2007-09-15 2:23 ` David Gibson
2007-09-15 3:32 ` Stefan Roese
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