linux-kernel - Re: [PATCH 07/12] riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree

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Message-ID: <87o7vuzyr8.fsf@dell.be.48ers.dk>
Date:   Sun, 04 Sep 2022 22:10:51 +0200
From:   Peter Korsgaard <peter@...sgaard.com>
To:     <Conor.Dooley@...rochip.com>
Cc:     <samuel@...lland.org>, <wens@...e.org>, <jernej.skrabec@...il.com>,
        <linux-sunxi@...ts.linux.dev>, <palmer@...belt.com>,
        <paul.walmsley@...ive.com>, <aou@...s.berkeley.edu>,
        <linux-riscv@...ts.infradead.org>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <heiko@...ech.de>
Subject: Re: [PATCH 07/12] riscv: dts: allwinner: Add Allwinner D1 Nezha
 devicetree

>>>>>   <Conor.Dooley@...rochip.com> writes:

 > Hey Samuel,
 > Finally got around to giving this a go with the fix for loading
 > modules which is mostly what was blocking me before..

 > On 15/08/2022 06:08, Samuel Holland wrote:
 >> "D1 Nezha" is Allwinner's first-party development board for the D1 SoC.
 >> It was shipped with 512M, 1G, or 2G of DDR3. It supports onboard audio,

 > I am really not keen on the way you have things, with the memory
 > nodes removed from the device tree. I know your preferred flow
 > for booting these things might be to pass the dtb up from U-Boot,
 > but I think the devicetree in the kernel should be usable in a
 > standalone manner, even if that is the barest-minimum memory
 > config.

Yes, this also confused me. Part of the reason seems to be that u-boot
on RISC-V doesn't fixup the memory node of a provided device tree like
it is done on E.G. ARM for some reason.

-- 
Bye, Peter Korsgaard