linux-kernel - Re: [PATCH V3] arm64: amd-seattle: Adding device tree for AMD Seattle platform

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Message-ID: <546F36D3.4090008@arm.com>
Date:	Fri, 21 Nov 2014 12:57:55 +0000
From:	Marc Zyngier <marc.zyngier@....com>
To:	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	Will Deacon <Will.Deacon@....com>,
	Catalin Marinas <Catalin.Marinas@....com>
CC:	Liviu Dudau <Liviu.Dudau@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Lendacky <Thomas.Lendacky@....com>,
	Joel Schopp <Joel.Schopp@....com>
Subject: Re: [PATCH V3] arm64: amd-seattle: Adding device tree for AMD Seattle
 platform

Hi Suravee,

On 28/10/14 13:36, suravee.suthikulpanit@....com wrote:
> From: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
> 
> Initial revision of device tree for AMD Seattle platform
> 
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
> Signed-off-by: Thomas Lendacky <Thomas.Lendacky@....com>
> Signed-off-by: Joel Schopp <Joel.Schopp@....com>
> ---
> Change in V3:
> 	* Change sata compatible-id to "snps,dwc-ahci"
> 
>  arch/arm64/Kconfig                          |   5 +
>  arch/arm64/boot/dts/Makefile                |   1 +
>  arch/arm64/boot/dts/amd-seattle-periph.dtsi | 164 ++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/amd-seattle.dts         | 122 +++++++++++++++++++++
>  4 files changed, 292 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amd-seattle-periph.dtsi
>  create mode 100644 arch/arm64/boot/dts/amd-seattle.dts
> 

[...]

> diff --git a/arch/arm64/boot/dts/amd-seattle.dts b/arch/arm64/boot/dts/amd-seattle.dts
> new file mode 100644
> index 0000000..726e444
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amd-seattle.dts
> @@ -0,0 +1,122 @@
> +/*
> + * DTS file for AMD Seattle
> + *
> + * Copyright (C) 2014 Advanced Micro Devices, Inc.
> + */
> +
> +/dts-v1/;
> +
> +/ {
> +	compatible = "amd,seattle";
> +	interrupt-parent = <&gic>;
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	chosen {
> +		stdout-path = &serial0;
> +		linux,pci-probe-only;
> +	};
> +
> +	gic: interrupt-controller@...01000 {
> +		compatible = "arm,gic-400", "arm,cortex-a15-gic";
> +		interrupt-controller;
> +		#interrupt-cells = <3>;
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		reg = <0x0 0xe1110000 0 0x1000>,
> +		      <0x0 0xe112f000 0 0x2000>,
> +		      <0x0 0xe1140000 0 0x10000>,
> +		      <0x0 0xe1160000 0 0x10000>;
> +		interrupts = <1 8 0xf04>;

Are you sure about this one? ARM systems usually have this wired on PPI9
(interrupt 25)...

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...
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