linux-kernel - Re: [PATCH 1/2] ARM: dts: sun8i: Specify memblock for Nano Pi M1

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Message-ID: <20161205080932.xaqyl2httgxgso67@lukather>
Date:   Mon, 5 Dec 2016 09:09:32 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Milo Kim <woogyom.kim@...il.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: sun8i: Specify memblock for Nano Pi M1

On Mon, Dec 05, 2016 at 11:00:31AM +0900, Milo Kim wrote:
> The board has DDR3 512MB. This patch helps scanning the memory and
> adding memblock through the DT.
> 
> Signed-off-by: Milo Kim <woogyom.kim@...il.com>
> ---
>  arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts
> index ec63d10..be3668f 100644
> --- a/arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts
> @@ -45,6 +45,11 @@
>  / {
>  	model = "FriendlyArm NanoPi M1";
>  	compatible = "friendlyarm,nanopi-m1", "allwinner,sun8i-h3";
> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x40000000 0x20000000>;
> +	};

U-boot will fill that up, so there's no need to put it there.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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