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[82.149.12.148]) by smtp.gmail.com with ESMTPSA id o16-20020a170906359000b00989828a42e8sm2670146ejb.154.2023.11.12.07.45.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Nov 2023 07:45:18 -0800 (PST) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Jagan Teki , Andre Przywara , Mikhail Kalashnikov Cc: Samuel Holland , Piotr Oniszczuk , u-boot@lists.denx.de Subject: Re: [PATCH v4 1/1] sunxi: H616: add LPDDR4 DRAM support Date: Sun, 12 Nov 2023 16:45:17 +0100 Message-ID: <2704944.mvXUDI8C0e@jernej-laptop> In-Reply-To: <20231111091000.26744-2-iuncuim@gmail.com> References: <20231111091000.26744-1-iuncuim@gmail.com> <20231111091000.26744-2-iuncuim@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Dne sobota, 11. november 2023 ob 10:10:00 CET je Mikhail Kalashnikov napisal(a): > From: iuncuim > > The H616 SoC family has support for several types of DRAM: DDR3, > LPDDR3, DDR4 and LPDDR4. > At the moment, the driver only supports DDR3 and LPDDR3 memory. > Let's extend the driver to support the LPDDR4 memory. This type > of memory widely used in device with T507(-H) SoC and new orangepi > zero3 with H618. > The compatibility with T507 is not yet complete, because there > is difference in the phy_init array. > The LPDDR4-2133 timings correspond to DRAM Rayson RS1G32LO4D2BDS-53BT > found on the NOR SPI from the Orangepi Zero 3 4GB. > > Signed-off-by: Mikhail Kalashnikov Reviewed-by: Jernej Skrabec Best regards, Jernej