From: Michal Simek <michal.simek@xilinx.com>
To: Alexander Graf <agraf@suse.de>, linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org, Michal Simek <michal.simek@xilinx.com>
Subject: Re: [PATCH] ZynqMP: Align gic ranges for 64k in device tree
Date: Mon, 16 May 2016 09:17:32 +0200 [thread overview]
Message-ID: <5739740C.10901@xilinx.com> (raw)
In-Reply-To: <1463053441-57572-1-git-send-email-agraf@suse.de>
On 12.5.2016 13:44, Alexander Graf wrote:
> The GIC ranges in the zynqmp device tree are only 4kb aligned. Since
> commit 12e14066f we automatically deal with aliases GIC regions though,
> so we can map them transparently into guests even on 64kb page size
> systems.
>
> This patch makes use of that features and sets GICC and GICV to 64kb
> aligned and sized regions.
>
> Signed-off-by: Alexander Graf <agraf@suse.de>
> ---
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index e595f22..38c4310 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -81,9 +81,9 @@
> compatible = "arm,gic-400", "arm,cortex-a15-gic";
> #interrupt-cells = <3>;
> reg = <0x0 0xf9010000 0x10000>,
> - <0x0 0xf902f000 0x2000>,
> + <0x0 0xf9020000 0x20000>,
> <0x0 0xf9040000 0x20000>,
> - <0x0 0xf906f000 0x2000>;
> + <0x0 0xf9060000 0x20000>;
> interrupt-controller;
> interrupt-parent = <&gic>;
> interrupts = <1 9 0xf04>;
>
Applied to zynqmp/dt with changed subject prefix ARM64: zynqmp:
Thanks,
Michal
prev parent reply other threads:[~2016-05-16 7:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 11:44 [PATCH] ZynqMP: Align gic ranges for 64k in device tree Alexander Graf
2016-05-16 7:17 ` Michal Simek [this message]
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