From: Thierry Reding <thierry.reding@gmail.com>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: "Rob Herring" <robh+dt@kernel.org>,
"Pawel Moll" <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
"Kumar Gala" <galak@codeaurora.org>,
"Russell King" <linux@arm.linux.org.uk>,
"Ben Dooks" <ben-linux@fluff.org>,
"Kukjin Kim" <kgene.kim@samsung.com>,
"Benoît Cousson" <bcousson@baylibre.com>,
"Tony Lindgren" <tony@atomide.com>,
"Maxime Ripard" <maxime.ripard@free-electrons.com>,
"Stephen Warren" <swarren@wwwdotorg.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will.deacon@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-omap@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH] arm/arm64: DT: Fix GICv2 CPU interface size
Date: Wed, 25 Jun 2014 13:11:20 +0200 [thread overview]
Message-ID: <20140625111119.GA21208@ulmo> (raw)
In-Reply-To: <1403692675-26503-1-git-send-email-marc.zyngier@arm.com>
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On Wed, Jun 25, 2014 at 11:37:54AM +0100, Marc Zyngier wrote:
> All the Cortex-{A7,A15} implementations are using a GICv2. Same for
> the current arm64 platforms.
>
> Turns out that most of these platforms have described their GIC CPU
> interface size as being 4kB. while it is actually 8kB (the GICC_DIR
> register lives at offset 0x1000).
>
> This was found when converting the GIC driver to use EOImode==1 on
> GICv2-based systems. It uses the GICC_DIR register, and the result
> is a very early firework...
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> arch/arm/boot/dts/axm55xx.dtsi | 2 +-
> arch/arm/boot/dts/dra7.dtsi | 2 +-
> arch/arm/boot/dts/ecx-2000.dts | 2 +-
> arch/arm/boot/dts/exynos3250.dtsi | 2 +-
> arch/arm/boot/dts/exynos5.dtsi | 2 +-
> arch/arm/boot/dts/exynos5260.dtsi | 2 +-
> arch/arm/boot/dts/exynos5410.dtsi | 2 +-
> arch/arm/boot/dts/exynos5440.dtsi | 2 +-
> arch/arm/boot/dts/omap5.dtsi | 2 +-
> arch/arm/boot/dts/r8a73a4.dtsi | 2 +-
> arch/arm/boot/dts/r8a7790.dtsi | 2 +-
> arch/arm/boot/dts/r8a7791.dtsi | 2 +-
> arch/arm/boot/dts/sun6i-a31.dtsi | 2 +-
> arch/arm/boot/dts/sun7i-a20.dtsi | 2 +-
> arch/arm/boot/dts/tegra114.dtsi | 2 +-
> arch/arm/boot/dts/tegra124.dtsi | 2 +-
> arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts | 2 +-
> arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 2 +-
> arch/arm64/boot/dts/apm-storm.dtsi | 2 +-
> arch/arm64/boot/dts/foundation-v8.dts | 2 +-
> arch/arm64/boot/dts/rtsm_ve-aemv8a.dts | 2 +-
> 21 files changed, 21 insertions(+), 21 deletions(-)
For the Tegra114 and Tegra124 patches:
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
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next prev parent reply other threads:[~2014-06-25 11:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 10:37 [PATCH] arm/arm64: DT: Fix GICv2 CPU interface size Marc Zyngier
2014-06-25 11:11 ` Thierry Reding [this message]
2014-06-25 12:21 ` Rob Herring
2014-06-25 12:32 ` Marc Zyngier
2014-06-25 13:31 ` Maxime Ripard
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