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([2a02:810b:f13:8500:8b91:8a7e:bd07:2736]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4562e7f2e8csm135189035e9.5.2025.07.20.08.51.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Jul 2025 08:51:23 -0700 (PDT) Message-ID: <3c83e8cc-9ef0-4560-b6d7-127abab50541@gmail.com> Date: Sun, 20 Jul 2025 17:51:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2 To: Chukun Pan Cc: devicetree@vger.kernel.org, heiko@sntech.de, jonas@kwiboo.se, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, ziyao@disroot.org References: <86814bf6-5d1b-47f3-ad1d-962cae4a543f@gmail.com> <20250720134005.215346-1-amadeus@jmu.edu.cn> Content-Language: en-US From: Alex Bee In-Reply-To: <20250720134005.215346-1-amadeus@jmu.edu.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250720_085126_424689_3429314E X-CRM114-Status: GOOD ( 14.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, > 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. I'm not sure where you are getting your information from, but as I told before I actually *own* this board in the non-development version and it has an RK3528 SoC/silkscreen - I just was too lazy to photograph it my own - but I did now [0] [0] https://imgur.com/a/6jwx4dC > 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@ffbf0000: 0, mmc@ffc30000: 1 > Loading Environment from nowhere... OK > In: serial@ff9f0000 > Out: serial@ff9f0000 > Err: serial@ff9f0000 > Hit any key to stop autoboot: 0 > > [1] https://imgur.com/a/ddLsnmt > > Thanks, > Chukun > > -- > 2.25.1 >