linux-kernel - Re: [PATCH v4 0/7] Add TI EMIF SDRAM controller driver

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Message-ID: <1334326531.4033.12.camel@deneb.redhat.com>
Date:	Fri, 13 Apr 2012 10:15:30 -0400
From:	Mark Salter <msalter@...hat.com>
To:	Paul Walmsley <paul@...an.com>
Cc:	Aneesh V <aneesh@...com>, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-omap@...r.kernel.org, mgreer@...malcreek.com
Subject: Re: [PATCH v4 0/7] Add TI EMIF SDRAM controller driver

On Wed, 2012-04-11 at 20:44 -0600, Paul Walmsley wrote:
> This is useful not only for OMAP4 and AM3517/3505, but also will probably 
> be useful for the C6x chips that Mark Salter is working on.

I have been keeping an occasional eye on these patches but I don't see
any usefulness for the currently supported C6X chips. The current set
of supported chips use a completely different DDR controller. There is
an EMIF controller on some which provides a parallel bus for connecting
to external devices (NOR flash, etc) but it looks completely different
from the OMAP EMIF. I think the TI DaVinci chips have EMIF (and other IO
blocks) similar to C6X which could use common drivers.

--Mark

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