nix-configuration/hosts/Pihole/hardware-configuration.nix

# Raspberry Pi 4B
# See https://nixos.wiki/wiki/NixOS_on_ARM/Raspberry_Pi_4
{ config, lib, pkgs, modulesPath, nixos-hardware, ... }:

{
	imports = [
		(modulesPath + "/installer/scan/not-detected.nix")
	];

	boot.loader = lib.mkForce {
		grub.enable = false;
		generic-extlinux-compatible.enable = true;
	};

	#boot.kernelParams = [
	#	"console=serial0,115200n8"
	#];

	fileSystems ."/" = {
		device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
		fsType = "ext4";
	};

	swapDevices = [{
		device = "/swapfile";
		size = 2048;
	}];

	hardware.enableRedistributableFirmware = true;
	networking.wireless.enable = true;

	hardware = {
		raspberry-pi."4" = {
			apply-overlays-dtmerge.enable = true;
		};

		deviceTree = {
			enable = true;
			filter = "*rpi-4-*.dtb";
		};
	};
}