linux-kernel - Re: [PATCH] ARM64: ZynqMP: DT: Fix GIC's 'reg' property

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Date:	Mon, 14 Dec 2015 16:46:14 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Soren Brinkmann <soren.brinkmann@...inx.com>, marc.zyngier@....com
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Michal Simek <michal.simek@...inx.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	Alistair Francis <alistair.francis@...inx.com>
Subject: Re: [PATCH] ARM64: ZynqMP: DT: Fix GIC's 'reg' property

On Mon, Dec 14, 2015 at 08:31:40AM -0800, Soren Brinkmann wrote:
> Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
> ---
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 857eda5c7217..b5d1facadf16 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -80,10 +80,10 @@
>  		gic: interrupt-controller@...10000 {
>  			compatible = "arm,gic-400", "arm,cortex-a15-gic";
>  			#interrupt-cells = <3>;
> -			reg = <0x0 0xf9010000 0x10000>,
> -			      <0x0 0xf902f000 0x2000>,
> +			reg = <0x0 0xf9010000 0x1000>,
> +			      <0x0 0xf9020000 0x20000>,
>  			      <0x0 0xf9040000 0x20000>,
> -			      <0x0 0xf906f000 0x2000>;
> +			      <0x0 0xf9060000 0x20000>;

I'm confused. These sizes don't look right for GIC-400. Is this a custom
GIC?

Did this ever work wit hteh old offsets and sizes?

Mark.
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