From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 17 Apr 2015 01:13:23 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Message-ID: <20150416231323.GL1589@hermes.click-hack.org>
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Subject: Re: [Xenomai] [PATCH] Add support for SUNXI boards
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To: GP Orcullo <kinsamanka@gmail.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>, "xenomai@xenomai.org" <xenomai@xenomai.org>

On Fri, Apr 17, 2015 at 06:29:52AM +0800, GP Orcullo wrote:
> On Fri, Apr 17, 2015 at 12:37 AM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
> > On 2015-04-16 18:16, Gilles Chanteperdrix wrote:
> >> On Fri, Apr 17, 2015 at 12:04:22AM +0800, GP Orcullo wrote:
> >>> On Thu, Apr 16, 2015 at 9:19 PM, Gilles Chanteperdrix
> >>> <gilles.chanteperdrix@xenomai.org> wrote:
> >>>> On Thu, Apr 16, 2015 at 04:05:05PM +0800, GP Orcullo wrote:
> >>>>> Tested on a Cubieboard2 with v3.16.7-ckt9 kernel.
> >>>>
> >>>> Does not sunxi have GPIO ?
> >>>>
> >>>> --
> >>>>                                             Gilles.
> >>>
> >>> There's no GPIO driver in the mainline kernel. The original sunxi
> >>> kernel has incomplete support for GPIOs.
> >>
> >> Ok, what about timer and tsc? Basically, you should run through the
> >> ARM porting guide and check every modification to be made. And if
> >> you have done so, the commit message should mention it.
> >
> > sunxi is pretty generic ARMv7-class in that regard, but double-checking
> > is surely better.
> >
> > If time permits, I will give things a try on our Banana Pi - provided it
> > is fine with such an old kernel (I only started with 3.19 on it).
> >
> > Jan
> >
> > --
> > Siemens AG, Corporate Technology, CT RTC ITP SES-DE
> > Corporate Competence Center Embedded Linux
> 
> Use the kernel provided by Debian:
> https://packages.debian.org/jessie/linux-image-3.16.0-4-armmp-lpae, as
> most of the sunxi patches were backported.

Be careful when using non-mainline kernel, some additional I-pipe
changes may be needed on top of the kernel differences with
mainline.

-- 
					    Gilles.