dotfiles/nixos-modules/hardware/amd-board.nix

69 lines
1.6 KiB
Nix

{
lib,
pkgs,
modulesPath,
...
}:
let
thunderboltDevices = ''
THUNDERBOLT_DEVICES="$(${pkgs.pciutils}/bin/lspci -D | ${pkgs.gnugrep}/bin/grep -i thunderbolt | cut --delimiter=' ' --fields=1)"
'';
forceThunderboltOnScript = pkgs.writeScriptBin "force-thunderbolt-power-on" ''
#!${pkgs.stdenv.shell}
${thunderboltDevices}
echo "Force PCI power on all thunderbolt devices"
for DEVICE in $THUNDERBOLT_DEVICES; do
echo 'on' > "/sys/bus/pci/devices/$DEVICE/power/control"
done
'';
thunderboltDockRestart = pkgs.writeScriptBin "thunderbolt-dock-restart" ''
#!${pkgs.stdenv.shell}
${thunderboltDevices}
echo "Force PCI remove on all thunderbolt devices"
for DEVICE in $THUNDERBOLT_DEVICES; do
echo 1 > /sys/bus/pci/devices/$DEVICE/remove
echo "Dropped device $DEVICE"
done
echo 'Please re-plug the dock and confirm [enter]'
read
echo 'Rescanning PCI devices...'
echo 1 > /sys/bus/pci/rescan
echo 'Done.'
'';
in
{
imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
boot.initrd.availableKernelModules = [
"nvme"
"usbhid"
"usb_storage"
"sd_mod"
"xhci_pci"
"ahci"
"virtio-pci"
"igb"
];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [
"kvm-amd"
"uhid"
];
boot.extraModulePackages = [ ];
boot.kernelParams = [ "acpi_enforce_resources=lax" ];
environment.systemPackages = [ thunderboltDockRestart ];
hardware.cpu.amd.updateMicrocode = true;
nix.settings.max-jobs = lib.mkDefault 24;
powerManagement.powerUpCommands = "${forceThunderboltOnScript}/bin/force-thunderbolt-power-on";
}