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Wed, 14 Oct 2026 18:44:43 -0700 (PDT) Received: from [0.0.0.0] ([20.89.104.82]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ac92a43d98sm1077387a91.0.2026.10.14.18.44.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Oct 2026 18:44:42 -0700 (PDT) Message-ID: Date: Thu, 15 Oct 2026 09:44:37 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Zixian Zeng Subject: [PATCH v2 0/2] net: add SpacemiT K1 EMAC support To: u-boot@lists.u-boot-project.org, u-boot-spacemit@groups.io Cc: Tom Rini , Jerome Forissier , Huan Zhou , Guodong Xu , Quentin Schulz , Julien Stephan , Johan Jonker , David Lechner , Raymond Mao , Eric Chung , Yixun Lan , James Hilliard , Guodong Xu , Zixian Zeng , Dave Klotz Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Thu, 15 Oct 2026 02:35:50 +0000 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org This series adds support for the Ethernet MACs integrated in the SpacemiT K1 SoC, which includes adding a k1_emac driver with MDIO and PHYLIB support for RGMII and RMII operation, enabling it in the k1 defconfig. The k1_emac driver in series draws upon Vivian Wang's work [1]. To make it simple and working, driver which using small ring-buffers operates primarily on polling and only implements basic functions. Tested on both Banana Pi F3 Ethernet ports with RTL8211F PHYs at 1000 Mbps full duplex, and tested command: dhcp, ping, tftp, etc. [1]: https://lore.kernel.org/all/20250914-net-k1-emac-v12-0-65b31b398f44@iscas.ac.cn/ Signed-off-by: Zixian Zeng --- Changes in v2: - Patch 1: Validate the full DMA range, not only the start address, in k1_emac_dma32() (suggested by Dave Klotz) - Patch 1: Add Tested-by from Dave Klotz - Drop the MAINTAINERS patch, as the top-level "RISC-V SPACEMIT" entry already covers the driver via its N:/K: patterns (suggested by Yixun Lan) - Link to v1: https://patch.msgid.link/20261002-b4-k1-emac-v1-0-e1b6806b018a@gmail.com --- Zixian Zeng (2): net: k1: add Ethernet MAC driver configs: k1: enable Ethernet support configs/spacemit_k1_defconfig | 6 + drivers/net/Kconfig | 1 + drivers/net/Makefile | 1 + drivers/net/spacemit/Kconfig | 15 + drivers/net/spacemit/Makefile | 3 + drivers/net/spacemit/k1_emac.c | 957 +++++++++++++++++++++++++++++++++++++++++ 6 files changed, 983 insertions(+) --- base-commit: ed869863c7e2aca50d57a05d843830dd843138c4 change-id: 20260926-b4-k1-emac-fa5f2b146f38 Best regards, -- Zixian Zeng