nixpkgs/pkgs/os-specific/linux/kernel/linux-rpi.nix
2024-06-17 00:56:00 +07:00

100 lines
3.8 KiB
Nix

{ stdenv, lib, buildPackages, fetchFromGitHub, fetchpatch, perl, buildLinux, rpiVersion, ... } @ args:
let
# NOTE: raspberrypifw & raspberryPiWirelessFirmware should be updated with this
modDirVersion = "6.6.31";
tag = "stable_20240529";
in
lib.overrideDerivation (buildLinux (args // {
version = "${modDirVersion}-${tag}";
inherit modDirVersion;
pname = "linux-rpi";
src = fetchFromGitHub {
owner = "raspberrypi";
repo = "linux";
rev = tag;
hash = "sha256-UWUTeCpEN7dlFSQjog6S3HyEWCCnaqiUqV5KxCjYink=";
};
defconfig = {
"1" = "bcmrpi_defconfig";
"2" = "bcm2709_defconfig";
"3" = if stdenv.hostPlatform.isAarch64 then "bcmrpi3_defconfig" else "bcm2709_defconfig";
"4" = "bcm2711_defconfig";
}.${toString rpiVersion};
structuredExtraConfig = (args.structuredExtraConfig or {}) // (with lib.kernel; {
# Workaround https://github.com/raspberrypi/linux/issues/6198
# Needed because NixOS 24.05+ sets DRM_SIMPLEDRM=y which pulls in
# DRM_KMS_HELPER=y.
BACKLIGHT_CLASS_DEVICE = yes;
});
features = {
efiBootStub = false;
} // (args.features or {});
kernelPatches = (args.kernelPatches or []) ++ [
# Fix compilation errors due to incomplete patch backport.
# https://github.com/raspberrypi/linux/pull/6223
{
name = "gpio-pwm_-_pwm_apply_might_sleep.patch";
patch = fetchpatch {
url = "https://github.com/peat-psuwit/rpi-linux/commit/879f34b88c60dd59765caa30576cb5bfb8e73c56.patch";
hash = "sha256-HlOkM9EFmlzOebCGoj7lNV5hc0wMjhaBFFZvaRCI0lI=";
};
}
{
name = "ir-rx51_-_pwm_apply_might_sleep.patch";
patch = fetchpatch {
url = "https://github.com/peat-psuwit/rpi-linux/commit/23431052d2dce8084b72e399fce82b05d86b847f.patch";
hash = "sha256-UDX/BJCJG0WVndP/6PbPK+AZsfU3vVxDCrpn1kb1kqE=";
};
}
];
extraMeta = if (rpiVersion < 3) then {
platforms = with lib.platforms; arm;
hydraPlatforms = [];
} else {
platforms = with lib.platforms; arm ++ aarch64;
hydraPlatforms = [ "aarch64-linux" ];
};
} // (args.argsOverride or {}))) (oldAttrs: {
postConfigure = ''
# The v7 defconfig has this set to '-v7' which screws up our modDirVersion.
sed -i $buildRoot/.config -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
sed -i $buildRoot/include/config/auto.conf -e 's/^CONFIG_LOCALVERSION=.*/CONFIG_LOCALVERSION=""/'
'';
# Make copies of the DTBs named after the upstream names so that U-Boot finds them.
# This is ugly as heck, but I don't know a better solution so far.
postFixup = ''
dtbDir=${if stdenv.isAarch64 then "$out/dtbs/broadcom" else "$out/dtbs"}
rm $dtbDir/bcm283*.dtb
copyDTB() {
cp -v "$dtbDir/$1" "$dtbDir/$2"
}
'' + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv6l-linux"]) ''
copyDTB bcm2708-rpi-zero-w.dtb bcm2835-rpi-zero.dtb
copyDTB bcm2708-rpi-zero-w.dtb bcm2835-rpi-zero-w.dtb
copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-a.dtb
copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b.dtb
copyDTB bcm2708-rpi-b.dtb bcm2835-rpi-b-rev2.dtb
copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-a-plus.dtb
copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-b-plus.dtb
copyDTB bcm2708-rpi-b-plus.dtb bcm2835-rpi-zero.dtb
copyDTB bcm2708-rpi-cm.dtb bcm2835-rpi-cm.dtb
'' + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv7l-linux"]) ''
copyDTB bcm2709-rpi-2-b.dtb bcm2836-rpi-2-b.dtb
'' + lib.optionalString (lib.elem stdenv.hostPlatform.system ["armv7l-linux" "aarch64-linux"]) ''
copyDTB bcm2710-rpi-zero-2.dtb bcm2837-rpi-zero-2.dtb
copyDTB bcm2710-rpi-3-b.dtb bcm2837-rpi-3-b.dtb
copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-a-plus.dtb
copyDTB bcm2710-rpi-3-b-plus.dtb bcm2837-rpi-3-b-plus.dtb
copyDTB bcm2710-rpi-cm3.dtb bcm2837-rpi-cm3.dtb
copyDTB bcm2711-rpi-4-b.dtb bcm2838-rpi-4-b.dtb
'';
})