[linux-sunxi] Re: [PATCH 3/6] ARM: dts: sunxi: Add Allwinner A80 dtsi

Gregory CLEMENT gregory.clement at free-electrons.com
Wed Sep 24 00:18:16 PDT 2014

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:


I created a skeleton64.dtsi for this case


Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.

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