{ imports = [ ../common/optional/ephemeral-btrfs.nix ]; boot = { initrd = { availableKernelModules = [ "xhci_pci" ]; }; loader.timeout = 5; }; fileSystems = { "/boot" = { device = "/dev/disk/by-label/BOOT"; fsType = "ext4"; neededForBoot = true; }; "/firmware" = { device = "/dev/disk/by-label/FIRMWARE"; fsType = "vfat"; }; "/media" = { device = "/dev/disk/by-label/MEDIA_HDD"; fsType = "ext4"; }; }; swapDevices = [{ device = "/swap/swapfile"; size = 8196; }]; hardware.raspberry-pi."4".i2c1.enable = true; nixpkgs.hostPlatform.system = "aarch64-linux"; powerManagement.cpuFreqGovernor = "ondemand"; }