linux-kernel - Re: [PATCH v4 7/8] arm64: dts: add CPU topology on Juno

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Message-ID: <20150722133136.GH14923@e106497-lin.cambridge.arm.com>
Date:	Wed, 22 Jul 2015 14:31:36 +0100
From:	Liviu Dudau <Liviu.Dudau@....com>
To:	Sudeep Holla <sudeep.holla@....com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	"Jon Medhurst (Tixy)" <tixy@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Kevin Hilman <khilman@...nel.org>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v4 7/8] arm64: dts: add CPU topology on Juno

On Mon, Jun 08, 2015 at 11:40:01AM +0100, Sudeep Holla wrote:
> This patch adds CPU topology on Juno. It will be useful for ther other
> IP blocks depending on this topology.
> 
> Cc: Liviu Dudau <Liviu.Dudau@....com>
> Cc: Jon Medhurst (Tixy) <tixy@...aro.org>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> ---
>  arch/arm64/boot/dts/arm/juno-r1.dts | 26 ++++++++++++++++++++++++++
>  arch/arm64/boot/dts/arm/juno.dts    | 26 ++++++++++++++++++++++++++
>  2 files changed, 52 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/arm/juno-r1.dts b/arch/arm64/boot/dts/arm/juno-r1.dts
> index c62751153a4f..69130840c6cd 100644
> --- a/arch/arm64/boot/dts/arm/juno-r1.dts
> +++ b/arch/arm64/boot/dts/arm/juno-r1.dts
> @@ -34,6 +34,32 @@
>  		#address-cells = <2>;
>  		#size-cells = <0>;
>  
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&A57_0>;
> +				};
> +				core1 {
> +					cpu = <&A57_1>;
> +				};
> +			};
> +
> +			cluster1 {
> +				core0 {
> +					cpu = <&A53_0>;
> +				};
> +				core1 {
> +					cpu = <&A53_1>;
> +				};
> +				core2 {
> +					cpu = <&A53_2>;
> +				};
> +				core3 {
> +					cpu = <&A53_3>;
> +				};
> +			};
> +		};
> +
>  		A57_0: cpu@0 {
>  			compatible = "arm,cortex-a57","arm,armv8";
>  			reg = <0x0 0x0>;
> diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
> index d7cbdd482a61..ce1128a54c8d 100644
> --- a/arch/arm64/boot/dts/arm/juno.dts
> +++ b/arch/arm64/boot/dts/arm/juno.dts
> @@ -34,6 +34,32 @@
>  		#address-cells = <2>;
>  		#size-cells = <0>;
>  
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&A57_0>;
> +				};
> +				core1 {
> +					cpu = <&A57_1>;
> +				};
> +			};
> +
> +			cluster1 {
> +				core0 {
> +					cpu = <&A53_0>;
> +				};
> +				core1 {
> +					cpu = <&A53_1>;
> +				};
> +				core2 {
> +					cpu = <&A53_2>;
> +				};
> +				core3 {
> +					cpu = <&A53_3>;
> +				};
> +			};
> +		};
> +

Acked-by: Liviu Dudau <Liviu.Dudau@....com>

>  		A57_0: cpu@0 {
>  			compatible = "arm,cortex-a57","arm,armv8";
>  			reg = <0x0 0x0>;
> -- 
> 1.9.1
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

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