From: David Woodhouse <dwmw2@infradead.org>
To: Vitaly Wool <vwool@ru.mvista.com>
Cc: linuxppc-dev@ozlabs.org, linuxppc-embedded@ozlabs.org
Subject: Re: [PATCH] powerpc: Add of_platform support for ROM devices
Date: Tue, 21 Nov 2006 17:22:39 +0000 [thread overview]
Message-ID: <1164129759.19448.68.camel@pmac.infradead.org> (raw)
In-Reply-To: <20061120163239.f9a38fc1.vwool@ru.mvista.com>
On Mon, 2006-11-20 at 16:32 +0300, Vitaly Wool wrote:
> +
> + - device_type : has to be "rom"
> + - compatible : Should specify what this ROM device is compatible with
> + (i.e. "onenand"). Currently, this is most likely to be "direct-mapped"
> + (which corresponds to the MTD physmap mapping driver).
I don't think 'direct-mapped' is particularly necessary -- I think we
have to assume that any NOR flash device is going to be direct-mapped if
we're going to be able to represent it with this scheme.
On the other hand, we _do_ want to specify the type of chip, or at least
the type of _probe_ which should be done for it (jedec vs. cfi). And
optionally also the chip idents.
--
dwmw2
prev parent reply other threads:[~2006-11-21 17:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-20 13:32 [PATCH] powerpc: Add of_platform support for ROM devices Vitaly Wool
2006-11-20 15:48 ` Hollis Blanchard
2006-11-21 17:22 ` David Woodhouse [this message]
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