Re: [PATCH 1/2] ARM: berlin: add scu and chipctrl device nodes for BG2/BG2Q

[Alexandre Belloni]

On 20/03/2014 at 21:39:45 +0100, Sebastian Hesselbarth wrote :
> This adds scu and general purpose registers device nodes required for
> SMP on Berlin BG2 and BG2Q SoCs. The secondary CPUs will pick their jump
> address from general purpose (SW generic) register 1.
> 
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>

Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

> ---
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Pawel Moll <pawel.moll@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  arch/arm/boot/dts/berlin2.dtsi  | 10 ++++++++++
>  arch/arm/boot/dts/berlin2q.dtsi | 10 ++++++++++
>  2 files changed, 20 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/berlin2.dtsi b/arch/arm/boot/dts/berlin2.dtsi
> index 56a1af2f1052..4d85312dc17a 100644
> --- a/arch/arm/boot/dts/berlin2.dtsi
> +++ b/arch/arm/boot/dts/berlin2.dtsi
> @@ -72,6 +72,11 @@
>  			cache-level = <2>;
>  		};
>  
> +		scu: snoop-control-unit@ad0000 {
> +			compatible = "arm,cortex-a9-scu";
> +			reg = <0xad0000 0x58>;
> +		};
> +
>  		gic: interrupt-controller@ad1000 {
>  			compatible = "arm,cortex-a9-gic";
>  			reg = <0xad1000 0x1000>, <0xad0100 0x0100>;
> @@ -176,6 +181,11 @@
>  			};
>  		};
>  
> +		generic-regs@ea0184 {
> +			compatible = "marvell,berlin-generic-regs", "syscon";
> +			reg = <0xea0184 0x10>;
> +		};
> +
>  		apb@fc0000 {
>  			compatible = "simple-bus";
>  			#address-cells = <1>;
> diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
> index 07452a7483fa..86d8a2c49f38 100644
> --- a/arch/arm/boot/dts/berlin2q.dtsi
> +++ b/arch/arm/boot/dts/berlin2q.dtsi
> @@ -87,6 +87,11 @@
>  			cache-level = <2>;
>  		};
>  
> +		scu: snoop-control-unit@ad0000 {
> +			compatible = "arm,cortex-a9-scu";
> +			reg = <0xad0000 0x58>;
> +		};
> +
>  		local-timer@ad0600 {
>  			compatible = "arm,cortex-a9-twd-timer";
>  			reg = <0xad0600 0x20>;
> @@ -183,6 +188,11 @@
>  			};
>  		};
>  
> +		generic-regs@ea0110 {
> +			compatible = "marvell,berlin-generic-regs", "syscon";
> +			reg = <0xea0110 0x10>;
> +		};
> +
>  		apb@fc0000 {
>  			compatible = "simple-bus";
>  			#address-cells = <1>;
> -- 
> 1.9.0
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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