forked from M-Labs/it-infra
rpi: hardware patch for fan
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048863593a
commit
ef492c5710
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@ -1,67 +0,0 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.hardware.deviceTree;
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in {
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options = {
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hardware.deviceTree = {
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enable = mkOption {
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default = pkgs.stdenv.hostPlatform.platform.kernelDTB or false;
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type = types.bool;
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description = ''
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Build device tree files. These are used to describe the
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non-discoverable hardware of a system.
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'';
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};
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base = mkOption {
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default = "${config.boot.kernelPackages.kernel}/dtbs";
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defaultText = "\${config.boot.kernelPackages.kernel}/dtbs";
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example = literalExample "pkgs.device-tree_rpi";
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type = types.path;
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description = ''
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The path containing the base device-tree (.dtb) to boot. Contains
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device trees bundled with the Linux kernel by default.
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'';
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};
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name = mkOption {
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default = null;
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example = "some-dtb.dtb";
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type = types.nullOr types.str;
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description = ''
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The name of an explicit dtb to be loaded, relative to the dtb base.
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Useful in extlinux scenarios if the bootloader doesn't pick the
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right .dtb file from FDTDIR.
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'';
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};
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overlays = mkOption {
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default = [];
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example = literalExample
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"[\"\${pkgs.device-tree_rpi.overlays}/w1-gpio.dtbo\"]";
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type = types.listOf types.path;
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description = ''
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A path containing device tree overlays (.dtbo) to be applied to all
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base device-trees.
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'';
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};
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package = mkOption {
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default = null;
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type = types.nullOr types.path;
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internal = true;
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description = ''
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A path containing the result of applying `overlays` to `base`.
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'';
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};
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};
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};
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config = mkIf (cfg.enable) {
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hardware.deviceTree.package = if (cfg.overlays != [])
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then pkgs.deviceTree.applyOverlays cfg.base cfg.overlays else cfg.base;
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};
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}
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@ -1,17 +0,0 @@
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{ lib, stdenvNoCC, dtc, findutils }:
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with lib; {
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applyOverlays = (base: overlays: stdenvNoCC.mkDerivation {
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name = "device-tree-overlays";
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nativeBuildInputs = [ dtc findutils ];
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buildCommand = let
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quotedDtbos = concatMapStringsSep " " (o: "\"${toString o}\"") (toList overlays);
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in ''
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for dtb in $(find ${base} -name "*.dtb" ); do
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outDtb=$out/$(realpath --relative-to "${base}" "$dtb")
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mkdir -p "$(dirname "$outDtb")"
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fdtoverlay -o "$outDtb" -i "$dtb" ${quotedDtbos};
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done
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'';
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});
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}
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@ -11,20 +11,8 @@
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boot.loader.grub.enable = false;
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boot.loader.generic-extlinux-compatible.enable = true;
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boot.kernelParams = ["cma=64M"]; # work around https://github.com/raspberrypi/linux/issues/3208
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boot.kernelPackages = if rpi4 then pkgs.linuxPackages_rpi4 else pkgs.linuxPackages_rpi3;
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boot.initrd.includeDefaultModules = false;
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# work around https://github.com/NixOS/nixpkgs/issues/125354
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disabledModules = [ "hardware/device-tree.nix" ];
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imports = [ ./device-tree-module.nix ];
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nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
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deviceTree = super.callPackage ./device-tree-pkg.nix {};
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};
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hardware.deviceTree.enable = true;
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hardware.deviceTree.base = pkgs.device-tree_rpi;
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hardware.deviceTree.overlays = [ "${pkgs.device-tree_rpi.overlays}/rpi-poe.dtbo" ];
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-label/NIXOS_SD";
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@ -14,20 +14,8 @@ in
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boot.loader.grub.enable = false;
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boot.loader.generic-extlinux-compatible.enable = true;
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boot.kernelParams = if rpi4 then ["cma=64M"] else []; # work around https://github.com/raspberrypi/linux/issues/3208
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boot.kernelPackages = if rpi4 then pkgs.linuxPackages_rpi4 else pkgs.linuxPackages_rpi3;
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boot.initrd.includeDefaultModules = false;
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# work around https://github.com/NixOS/nixpkgs/issues/125354
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disabledModules = [ "hardware/device-tree.nix" ];
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imports = [ ./device-tree-module.nix ];
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nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
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deviceTree = super.callPackage ./device-tree-pkg.nix {};
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};
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hardware.deviceTree.enable = true;
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hardware.deviceTree.base = pkgs.device-tree_rpi;
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hardware.deviceTree.overlays = [ "${pkgs.device-tree_rpi.overlays}/rpi-poe.dtbo" ];
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-label/NIXOS_SD";
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