[PATCH] ARM: arm64: dts: Add expansion bus to VExpress and Juno

Liviu Dudau liviu.dudau at arm.com
Mon Apr 4 09:54:17 PDT 2016


On Mon, Apr 04, 2016 at 05:20:50PM +0100, Brian Starkey wrote:
> The VExpress and Juno development platforms have an external expansion
> bus which can be used for additional hardware (e.g. LogicTile Express
> daughterboards).
> Add this bus to all VExpress CoreTile and Juno device-trees.
> 
> On VExpress, the bus is described for a CoreTile located on site 1.

s/located on/occupying/

You're trying to say that the CPU for which one of these DTs apply is running
on SITE1 so the expansion bus described here is available on SITE2.

> 
> Signed-off-by: Brian Starkey <brian.starkey at arm.com>

Otherwise, looks good to me.

With that change:

Acked-by: Liviu Dudau <Liviu.Dudau at arm.com>

Best regards,
Liviu

> ---
>  arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts |   13 +++++++++++++
>  arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts  |   13 +++++++++++++
>  arch/arm/boot/dts/vexpress-v2p-ca5s.dts     |   13 +++++++++++++
>  arch/arm/boot/dts/vexpress-v2p-ca9.dts      |   13 +++++++++++++
>  arch/arm64/boot/dts/arm/juno-base.dtsi      |   10 ++++++++++
>  5 files changed, 62 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
> index 9420053..ec7539b 100644
> --- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
> +++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
> @@ -280,4 +280,17 @@
>  
>  		/include/ "vexpress-v2m-rs1.dtsi"
>  	};
> +
> +	site2: hsb at 40000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0 0x40000000 0x3fef0000>;
> +		#interrupt-cells = <1>;
> +		interrupt-map-mask = <0 3>;
> +		interrupt-map = <0 0 &gic 0 36 4>,
> +				<0 1 &gic 0 37 4>,
> +				<0 2 &gic 0 38 4>,
> +				<0 3 &gic 0 39 4>;
> +	};
>  };
> diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
> index 17f63f7..a339b0c 100644
> --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
> +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
> @@ -638,4 +638,17 @@
>  
>  		/include/ "vexpress-v2m-rs1.dtsi"
>  	};
> +
> +	site2: hsb at 40000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0 0x40000000 0x3fef0000>;
> +		#interrupt-cells = <1>;
> +		interrupt-map-mask = <0 3>;
> +		interrupt-map = <0 0 &gic 0 36 4>,
> +				<0 1 &gic 0 37 4>,
> +				<0 2 &gic 0 38 4>,
> +				<0 3 &gic 0 39 4>;
> +	};
>  };
> diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
> index d2709b7..76a9ccb 100644
> --- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
> +++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
> @@ -250,4 +250,17 @@
>  
>  		/include/ "vexpress-v2m-rs1.dtsi"
>  	};
> +
> +	site2: hsb at 40000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0x40000000 0x40000000>;
> +		#interrupt-cells = <1>;
> +		interrupt-map-mask = <0 3>;
> +		interrupt-map = <0 0 &gic 0 36 4>,
> +				<0 1 &gic 0 37 4>,
> +				<0 2 &gic 0 38 4>,
> +				<0 3 &gic 0 39 4>;
> +	};
>  };
> diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
> index d949fac..edac212 100644
> --- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts
> +++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
> @@ -359,4 +359,17 @@
>  
>  		/include/ "vexpress-v2m.dtsi"
>  	};
> +
> +	site2: hsb at e0000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0xe0000000 0x20000000>;
> +		#interrupt-cells = <1>;
> +		interrupt-map-mask = <0 3>;
> +		interrupt-map = <0 0 &gic 0 36 4>,
> +				<0 1 &gic 0 37 4>,
> +				<0 2 &gic 0 38 4>,
> +				<0 3 &gic 0 39 4>;
> +	};
>  };
> diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
> index 68ccc39..dee2386 100644
> --- a/arch/arm64/boot/dts/arm/juno-base.dtsi
> +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
> @@ -272,3 +272,13 @@
>  
>  		/include/ "juno-motherboard.dtsi"
>  	};
> +
> +	site2: tlx at 60000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0 0 0x60000000 0x10000000>;
> +		#interrupt-cells = <1>;
> +		interrupt-map-mask = <0 0>;
> +		interrupt-map = <0 0 &gic 0 0 0 168 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> -- 
> 1.7.9.5
> 

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