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From: gregory.clement@free-electrons.com (Gregory CLEMENT)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH 3/6] ARM: dts: sunxi: Add Allwinner A80 dtsi
Date: Wed, 24 Sep 2014 09:18:16 +0200	[thread overview]
Message-ID: <54227038.2020805@free-electrons.com> (raw)
In-Reply-To: <CAGb2v64voZpK_82wtkErRowR0vjEUALNUwvCx_sd8Q5wb4Hq-g@mail.gmail.com>

Hi Chen-Yu,


>>> +
>>> +     memory {
>>> +             reg = <0x20000000 0x40000000>;
>>
>> Usually, what we put there was the maximum amount of RAM that can be
>> handled by the SoC. I think that it can go above 1GB
> 
> With LPAE, it can handle 8GB. But the DT won't take 64bit values.
> I'm not sure how to get it in. I'll look around for examples.

You can have a look on what we did for Armada XP:

arch/arm/boot/dts/armada-370-xp.dtsi
arch/arm/boot/dts/armada-xp.dtsi
arch/arm/boot/dts/armada-xp-gp.dts

I created a skeleton64.dtsi for this case

Gregory


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2014-09-24  7:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-21 14:58 [PATCH 0/6] ARM: sunxi: Add basic support for Allwinner A80 SoC Chen-Yu Tsai
2014-09-21 14:58 ` [PATCH 1/6] ARM: sunxi: Introduce Allwinner A80 support Chen-Yu Tsai
2014-09-21 14:58 ` [PATCH 2/6] ARM: sunxi: Add debug uart used by sun9i (Allwinner A80) Chen-Yu Tsai
2014-09-24  6:39   ` Maxime Ripard
2014-09-21 14:58 ` [PATCH 3/6] ARM: dts: sunxi: Add Allwinner A80 dtsi Chen-Yu Tsai
2014-09-24  6:37   ` Maxime Ripard
2014-09-24  7:14     ` [linux-sunxi] " Chen-Yu Tsai
2014-09-24  7:18       ` Gregory CLEMENT [this message]
2014-09-24  7:27         ` Chen-Yu Tsai
2014-09-24 11:53         ` Chen-Yu Tsai
2014-09-24 12:36           ` Gregory CLEMENT
2014-09-21 14:58 ` [PATCH 4/6] ARM: dts: sun9i: Add A80 Optimus Board support Chen-Yu Tsai
2014-09-21 14:58 ` [PATCH 5/6] devicetree: bindings: Add vendor prefix for Merrii Technology Co., Ltd Chen-Yu Tsai
2014-09-21 14:58 ` [PATCH 6/6] devicetree: bindings: Document supported Allwinner sunxi SoCs Chen-Yu Tsai
2014-09-24  6:41 ` [PATCH 0/6] ARM: sunxi: Add basic support for Allwinner A80 SoC Maxime Ripard
2014-09-24 10:40   ` Chen-Yu Tsai
2014-09-24 13:28     ` Maxime Ripard

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