From mboxrd@z Thu Jan  1 00:00:00 1970
From: jason@lakedaemon.net (Jason Cooper)
Date: Tue, 2 Jul 2013 10:24:16 -0400
Subject: [RFC] Add .dts file for Netgear ReadyNAS 102
In-Reply-To: <20130702134947.GC6740@1wt.eu>
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 <20130702134947.GC6740@1wt.eu>
Message-ID: <20130702142416.GD17110@titan.lakedaemon.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, Jul 02, 2013 at 03:49:47PM +0200, Willy Tarreau wrote:
> On Tue, Jul 02, 2013 at 09:44:21AM -0400, Jason Cooper wrote:
> > On Tue, Jul 02, 2013 at 03:38:25PM +0200, Thomas Petazzoni wrote:
> > > Dear Jason Cooper,
> > > 
> > > On Tue, 2 Jul 2013 09:33:37 -0400, Jason Cooper wrote:
> > > 
> > > > > The big blocker is that no-one has written  the driver for it. It is
> > > > > still on our (Free Electrons) TODO-list, but not as a top-priority item
> > > > > for the moment.
> > > > 
> > > > Ok.
> > > > 
> > > > > Ezequiel had started to do some preliminary cleanup work on the
> > > > > pxa3xx-nand driver, with the ultimate goal of making it support Armada
> > > > > 370/XP (because the IP in the Armada 370/XP is apparently an evolution
> > > > > of the PXA3xx NAND controller), but our priorities shifted to those
> > > > > other topics. We will back on it some day, but I can't say when at the
> > > > > moment.
> > > > 
> > > > Is this under contract?  If so, I don't want to take it from you.  If it
> > > > isn't, perhaps Ezequiel and Arnaud could mind-meld?
> > > 
> > > The big problem is that the Armada 370 and Armada XP datasheets are
> > > still only available under NDA, so it's quite hard for someone to step
> > > up and do this, without access to those datasheets.
> > 
> > bummer.
> > 
> > > It used to be on our TODO-list, but isn't any longer, and I have no
> > > informations about when it will re-appear on our TODO-list at this
> > > point.
> > 
> > So, Arnaud, how do you feel about tackling the nand driver based on the
> > sources you have and the pointers above?
> 
> BTW if that can help, I already have a working port of the driver that is
> present in Marvell's kernel. The port is absolutely ugly, it's plain copy
> paste of the HAL parts that I needed until it built and booted. It worked
> on my mirabox with 3.8. I know it doesn't work since recently (I believe
> since introduction of the mbus driver) though I haven't had time to check
> why yet. The advantage of such an ugly work is that I'm sure that it will
> never be merged into mainline :-)

Could you post a branch somewhere for us to look at?  Or, just post it
RFC in all it's ugly glory :)  Hopefully, there's enough hints in there
to give us a good idea of what needs changed in pxa33xx-nand.

thx,

Jason.
> 
> Regards,
> Willy
>