[PATCH v6 0/3] Updated Cortex-M3 series

[u.kleine-koenig@pengutronix.de (Uwe Kleine-König)]

Hi Will,

On Wed, Sep 26, 2012 at 07:03:49PM +0100, Will Deacon wrote:
> On Tue, Sep 25, 2012 at 04:00:26PM +0100, Uwe Kleine-K?nig wrote:
> > On Tue, Sep 25, 2012 at 03:47:26PM +0100, Jonathan Austin wrote:
> > > Looking at the patch series at a very superficial level, I wonder why
> > > you've chosen not to include any Kconfig/NVIC support at this stage,
> > > especially as you've posted some before and there appears to be
> > > something (presumably) working in your efm32 branch...
> > >
> > > It would be a shame to spend time on merging the basic support if there
> > > are issues that mean the interrupt support won't follow.
> > I plan to expand common/gic.c for interrupt support. Currently I don't
> > do much though because getting feedback and the changes into mainline is
> > quite hard and I don't want to spend time now and hear later that I did
> > it wrong or something. So I put my efforts on hold and only ping from
> > time to time.  :-(
> 
> My personal view is that merging the code without support for interrupts is
> fairly pointless, so the nvic code should certainly be included. I
> wouldn't worry too much about merging it with gic.c initially. That can come
That would be ok for me, too.
> later, especially as we'll need to prise the gic into drivers/ at some point
> (it should be shared with arm64).
> 
> I think one reason for the lack of feedback is the inability for people to
> run this code themselves. I believe Jonny was trying to get started with an
> FPGA / simulation, but some hardware would be great if there's any available...
I think you can order the efm32 devboard[1] via the usual channels.
I don't know if Energymicro has interest to give out some boards into
the community at an reduced price. I will ask.

Best regards
Uwe

[1] http://www.energymicro.com/tools/efm32-giant-gecko-development-kit

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