57fd23db81
- Gate on rpiVersion instead of architecture; skip for Pi 4+ where vendor and upstream DTB names already match - Fix bcm2835-rpi-zero.dtb: was copied from bcm2708-rpi-b-plus (wrong board), now uses bcm2708-rpi-zero - Drop bcm2711-rpi-4-b -> bcm2838-rpi-4-b copy; nothing uses bcm2838-* Ref: https://github.com/u-boot/u-boot/blob/master/board/raspberrypi/rpi/rpi.c
107 lines
3.3 KiB
Nix
107 lines
3.3 KiB
Nix
{
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stdenv,
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lib,
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pkgs,
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fetchFromGitHub,
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buildLinux,
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rpiVersion,
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...
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}@args:
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let
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# NOTE: raspberryPiWirelessFirmware should be updated with this
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modDirVersion = "6.12.47";
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tag = "stable_20250916";
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hash = "sha256-HG8Oc04V2t54l0SOn4gKmNJWQUrZfjWusgKcWvx74H0==";
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in
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(buildLinux (
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args
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// {
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version = "${modDirVersion}-${tag}";
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inherit modDirVersion;
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pname = "linux-rpi";
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src = fetchFromGitHub {
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owner = "raspberrypi";
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repo = "linux";
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inherit tag hash;
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};
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defconfig =
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{
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"1" = "bcmrpi_defconfig";
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"2" = "bcm2709_defconfig";
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"3" = if stdenv.hostPlatform.isAarch64 then "bcm2711_defconfig" else "bcm2709_defconfig";
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"4" = "bcm2711_defconfig";
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"5" = "bcm2712_defconfig";
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}
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.${toString rpiVersion};
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features = {
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efiBootStub = false;
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}
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// (args.features or { });
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isLTS = true;
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kernelPatches = with pkgs.kernelPatches; [
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bridge_stp_helper
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request_key_helper
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];
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extraMeta =
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if (rpiVersion < 3) then
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{
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platforms = with lib.platforms; lib.intersectLists arm linux;
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hydraPlatforms = [ ];
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}
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else
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{
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platforms = with lib.platforms; lib.intersectLists (arm ++ aarch64) linux;
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hydraPlatforms = [ "aarch64-linux" ];
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};
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ignoreConfigErrors = true;
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}
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// (args.argsOverride or { })
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)).overrideAttrs
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{
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postConfigure = ''
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# The v7 defconfig has this set to '-v7' which screws up our modDirVersion.
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sed -i $buildRoot/.config -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
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sed -i $buildRoot/include/config/auto.conf -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
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'';
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# The vendor kernel uses different DTB names (bcm2708/bcm2709/bcm2710) than what
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# U-Boot expects (bcm2835/bcm2836/bcm2837). Starting with Pi 4, names match.
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# See: https://github.com/u-boot/u-boot/blob/master/board/raspberrypi/rpi/rpi.c
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postFixup = lib.optionalString (rpiVersion < 4) (
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''
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dtbDir=${if stdenv.hostPlatform.isAarch64 then "$out/dtbs/broadcom" else "$out/dtbs"}
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rm $dtbDir/bcm283*.dtb
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copyDTB() {
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cp -v "$dtbDir/$1" "$dtbDir/$2"
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}
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''
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+ lib.optionalString (rpiVersion == 1) ''
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copyDTB bcm2708-rpi-zero.dtb bcm2835-rpi-zero.dtb
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copyDTB bcm2708-rpi-zero-w.dtb bcm2835-rpi-zero-w.dtb
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copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-a.dtb
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copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b.dtb
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copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b-rev2.dtb
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copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-a-plus.dtb
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copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-b-plus.dtb
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copyDTB bcm2708-rpi-cm.dtb bcm2835-rpi-cm.dtb
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''
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+ lib.optionalString (rpiVersion == 2) ''
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copyDTB bcm2709-rpi-2-b.dtb bcm2836-rpi-2-b.dtb
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''
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+ lib.optionalString (rpiVersion == 3) ''
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copyDTB bcm2710-rpi-zero-2.dtb bcm2837-rpi-zero-2.dtb
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copyDTB bcm2710-rpi-zero-2-w.dtb bcm2837-rpi-zero-2-w.dtb
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copyDTB bcm2710-rpi-3-b.dtb bcm2837-rpi-3-b.dtb
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copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-a-plus.dtb
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copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-b-plus.dtb
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copyDTB bcm2710-rpi-cm3.dtb bcm2837-rpi-cm3.dtb
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''
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);
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}
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