nixpkgs/pkgs/os-specific/linux/kernel/linux-rpi.nix
Matthew Bauer c78ad0f7f8 linux-rpi: use bcm2709 on arm32 rpi3
“bcmrpi3_defconfig” isn’t provided for arm32, so we need to use
bcm2709_config. When on arm64, we can still use bcmrpi3_defconfig
2020-05-12 13:07:00 -05:00

71 lines
2.7 KiB
Nix

{ stdenv, lib, buildPackages, fetchFromGitHub, perl, buildLinux, rpiVersion, ... } @ args:
let
modDirVersion = "4.19.75";
tag = "1.20190925";
in
lib.overrideDerivation (buildLinux (args // {
version = "${modDirVersion}-${tag}";
inherit modDirVersion;
src = fetchFromGitHub {
owner = "raspberrypi";
repo = "linux";
rev = "raspberrypi-kernel_${tag}-1";
sha256 = "0l91kb4jjxg4fcp7d2aqm1fj34ns137rys93k907mdgnarcliafs";
};
defconfig = {
"1" = "bcmrpi_defconfig";
"2" = "bcm2709_defconfig";
"3" = if stdenv.hostPlatform.isAarch64 then "bcmrpi3_defconfig" else "bcm2709_defconfig";
"4" = "bcm2711_defconfig";
}.${toString rpiVersion};
features = {
efiBootStub = false;
} // (args.features or {});
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-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
'';
})