From: jamie@jamieiles.com (Jamie Iles)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 8/8] macb: support data bus widths > 32 bits
Date: Fri, 11 Mar 2011 13:15:20 +0000 [thread overview]
Message-ID: <20110311131520.GC7357@pulham.picochip.com> (raw)
In-Reply-To: <20110311125523.GN9351@game.jcrosoft.org>
On Fri, Mar 11, 2011 at 01:55:23PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 10:10 Thu 10 Mar , Jamie Iles wrote:
> > Some GEM implementations may support data bus widths up to 128 bits.
> > Allow the platform data to specify the data bus width and let the driver
> > program it up.
> >
> can we detect it?
Well, the first design configuration register will tell you what the
maximum data bus width is so we could probably always go with that. I
can't think of a good reason why you wouldn't want to do that.
Jamie
WARNING: multiple messages have this Message-ID (diff)
From: Jamie Iles <jamie@jamieiles.com>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Jamie Iles <jamie@jamieiles.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
nicolas.ferre@atmel.com
Subject: Re: [PATCH 8/8] macb: support data bus widths > 32 bits
Date: Fri, 11 Mar 2011 13:15:20 +0000 [thread overview]
Message-ID: <20110311131520.GC7357@pulham.picochip.com> (raw)
In-Reply-To: <20110311125523.GN9351@game.jcrosoft.org>
On Fri, Mar 11, 2011 at 01:55:23PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 10:10 Thu 10 Mar , Jamie Iles wrote:
> > Some GEM implementations may support data bus widths up to 128 bits.
> > Allow the platform data to specify the data bus width and let the driver
> > program it up.
> >
> can we detect it?
Well, the first design configuration register will tell you what the
maximum data bus width is so we could probably always go with that. I
can't think of a good reason why you wouldn't want to do that.
Jamie
next prev parent reply other threads:[~2011-03-11 13:15 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-10 10:10 [PATCH 0/8] macb: add support for Cadence GEM Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 1/8] macb: unify at91 and avr32 platform data Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 13:06 ` Nicolas Ferre
2011-03-10 13:06 ` Nicolas Ferre
2011-03-10 13:17 ` Jamie Iles
2011-03-10 13:17 ` Jamie Iles
2011-03-11 1:41 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 1:41 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 8:56 ` Jamie Iles
2011-03-11 8:56 ` Jamie Iles
2011-03-11 12:52 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 12:52 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:25 ` Jamie Iles
2011-03-11 13:25 ` Jamie Iles
2011-03-11 13:37 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:37 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:53 ` Jamie Iles
2011-03-11 13:53 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 2/8] macb: detect hclk presence from " Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 10:15 ` Russell King - ARM Linux
2011-03-10 10:15 ` Russell King - ARM Linux
2011-03-10 11:41 ` Jamie Iles
2011-03-10 11:41 ` Jamie Iles
2011-03-10 11:45 ` Jamie Iles
2011-03-10 11:45 ` Jamie Iles
2011-03-11 1:44 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 1:44 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 8:54 ` Jamie Iles
2011-03-11 8:54 ` Jamie Iles
2011-03-11 12:47 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 12:47 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:08 ` Jamie Iles
2011-03-11 13:08 ` Jamie Iles
2011-03-11 13:39 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:39 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-10 10:10 ` [PATCH 3/8] macb: convert printk to pr_ and friends Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 22:48 ` Joe Perches
2011-03-10 22:48 ` Joe Perches
2011-03-11 0:09 ` Jamie Iles
2011-03-11 0:09 ` Jamie Iles
2011-03-11 12:53 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 12:53 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-10 10:10 ` [PATCH 4/8] macb: initial support for Cadence GEM Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-11 13:14 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:14 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:30 ` Jamie Iles
2011-03-11 13:30 ` Jamie Iles
2011-03-11 13:34 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:34 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 14:08 ` Jamie Iles
2011-03-11 14:08 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 5/8] macb: handle HW address registers for GEM devices Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 6/8] macb: support higher rate GEM MDIO clock divisors Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 7/8] macb: support statistics for GEM devices Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-10 10:10 ` [PATCH 8/8] macb: support data bus widths > 32 bits Jamie Iles
2011-03-10 10:10 ` Jamie Iles
2011-03-11 12:55 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 12:55 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-11 13:15 ` Jamie Iles [this message]
2011-03-11 13:15 ` Jamie Iles
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