From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>,
Linus Walleij
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
Subject: Re: [PATCH 1/3] irqchip: gic/realview: support more RealView DCC variants
Date: Thu, 18 Feb 2016 15:40:34 +0100 [thread overview]
Message-ID: <5028476.WAQS3ylXOd@wuerfel> (raw)
In-Reply-To: <56C5D304.5010708-5wv7dgnIgG8@public.gmane.org>
On Thursday 18 February 2016 14:19:48 Marc Zyngier wrote:
> On 18/02/16 13:46, Linus Walleij wrote:
> > In the add-on file for the GIC dealing with the RealView family
> > we currently only handle the PB11MPCore, let's extend this to
> > manage the RealView EB ARM11MPCore as well. The Revision B of the
> > ARM11MPCore core tile is a bit special and needs special handling
> > as it moves a system control register around at random.
>
> Ah, 11MPCore RevB. That thing. Tried to locate one in the magic
> cupboard, and failed. Oh well...
What surprised me though is that it's enabled by default:
$ grep REVB arch/arm/configs/realview*
arch/arm/configs/realview_defconfig:CONFIG_REALVIEW_EB_ARM11MP_REVB=y
arch/arm/configs/realview-smp_defconfig:CONFIG_REALVIEW_EB_ARM11MP_REVB=y
With that option set, the defconfig kernel should not be able
to boot on RevC machines. Do you have a RevC machine that works
with the defconfig?
Arnd
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next prev parent reply other threads:[~2016-02-18 14:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 13:46 [PATCH 1/3] irqchip: gic/realview: support more RealView DCC variants Linus Walleij
[not found] ` <1455803172-22747-1-git-send-email-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-02-18 14:16 ` Arnd Bergmann
2016-02-18 14:19 ` Marc Zyngier
[not found] ` <56C5D304.5010708-5wv7dgnIgG8@public.gmane.org>
2016-02-18 14:40 ` Arnd Bergmann [this message]
2016-02-18 14:47 ` Marc Zyngier
2016-02-18 18:30 ` Linus Walleij
[not found] ` <CACRpkdZD_qg0p8spr9HnFBSzXidi59J_kR8XBo-s8z-tSqKs5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-19 11:14 ` Arnd Bergmann
2016-02-22 2:54 ` Rob Herring
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