radxa/x4: init#1908
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Description of changes
Add a profile for the Radxa X4, an x86 SBC based on the Intel N100 (Alder Lake-N) with an Intel I226-V 2.5 GbE NIC and a Realtek RTL8852BE WiFi module.
The profile composes
common/cpu/intel/alder-lake+common/pc+common/pc/ssd, enables redistributable firmware (rtw89 + i915 GuC/DMC blobs), and carries the two standard mitigations for the widely reported I226-V link-flapping bug:pcie_aspm=offand a udev rule that disables Energy-Efficient Ethernet onigcinterfaces (keyed on the driver, so it is independent of interface naming). The README documents the NIC issue with references plus the board's harmless ACPI/ISH boot noise.Things done
nixos-hardwareandimporting it via
<nixos-hardware>or Flake inputTested on a Radxa X4 8 GB (N100, NVMe boot, NixOS 26.05, kernel 6.18) running as a k3s node: profile imported as a flake input from this fork, activated via
switch-to-configuration, EEE-disable rule and ASPM behavior verified against the running NIC with ethtool.AI Transparency
LLMs were used in the development of this PR