linux-kernel - Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2

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Message-Id: <20250720134005.215346-1-amadeus@jmu.edu.cn>
Date: Sun, 20 Jul 2025 21:40:05 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: knaerzche@...il.com
Cc: amadeus@....edu.cn,
	devicetree@...r.kernel.org,
	heiko@...ech.de,
	jonas@...boo.se,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	ziyao@...root.org
Subject: Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2

Hi,

> Just for the record: There actually is a non-A version of the
> RK3528, which I actually own (but forgot about - perhaps my subconscious
> made me reply to this thread). It's on the Mango Pi M28K board [0][1][2] -
> which, to my knowledge, is one of the first RK3528-based SBCs.

Thanks for sharing this. M28S is an engineering test board, and the official
version was later renamed M28K. The MangoPi M28K board uses the RK3528A SoC.
As for the M28S board, the silkscreen of SoC is indeed RK3528. [1]
But then the interesting thing comes, uboot reports it is RK3528A:

U-Boot 2025.07-rc1-OpenWrt-r30114-9b777547be (Jun 18 2025 - 18:35:23 +0000)

Model: Generic RK3528
SoC:   RK3528A
DRAM:  2 GiB
Core:  130 devices, 20 uclasses, devicetree: separate
MMC:   mmc@...f0000: 0, mmc@...30000: 1
Loading Environment from nowhere... OK
In:    serial@...f0000
Out:   serial@...f0000
Err:   serial@...f0000
Hit any key to stop autoboot:  0

[1] https://imgur.com/a/ddLsnmt

Thanks,
Chukun

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