linux-kernel - Re: [PATCH v4 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135

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Date:	Fri, 25 Sep 2015 13:46:25 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	Matthias Brugger <matthias.bgg@...il.com>,
	<devicetree@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
	Stephen Boyd <sboyd@...eaurora.org>,
	<linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
	<linux-mediatek@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Olof Johansson <olof@...om.net>, <srv_heupstream@...iatek.com>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 4/5] ARM: dts: mt8135: enable basic SMP bringup for
 mt8135

On Thu, 2015-09-24 at 23:38 +0800, Yingjoe Chen wrote:
> Add arch timer node to enable arch-timer support. MT8135 firmware
> doesn't correctly setup arch-timer frequency and CNTVOFF, add
> properties to workaround this.
> 
> This also set cpu enable-method to enable SMP.
> 
> Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> ---
>  arch/arm/boot/dts/mt8135.dtsi | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/mt8135.dtsi b/arch/arm/boot/dts/mt8135.dtsi
> index 08371db..c3c90f2 100644
> --- a/arch/arm/boot/dts/mt8135.dtsi
> +++ b/arch/arm/boot/dts/mt8135.dtsi
> @@ -46,6 +46,7 @@
>  	cpus {
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> +		enable-method = "mediatek,mt81xx-tz-smp";
>  
>  		cpu0: cpu@0 {
>  			device_type = "cpu";
> @@ -72,6 +73,17 @@
>  		};
>  	};
>  
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		trustzone-bootinfo: trustzone-bootinfo@...02000 {


Sorry, this should be

+		trustzone-bootinfo@...02000 {

I'll fix this in next version.

Joe.C


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