configurations/nixos/twilight/configuration.nix

@@ -10,6 +10,14 @@
 
   nixpkgs.config.allowUnfree = true;
 
+  boot.initrd.availableKernelModules = ["usb_storage"];
+  boot.kernelModules = ["sg"];
+
+  boot.loader = {
+    systemd-boot.enable = true;
+    efi.canTouchEfiVariables = true;
+  };
+
   sops.secrets = {
     "vpn-keys/tailscale-authkey/twilight" = {
       sopsFile = "${inputs.secrets}/vpn-keys.yaml";

configurations/nixos/twilight/hardware-configuration.nix

@@ -4,7 +4,6 @@
 {
   config,
   lib,
-  pkgs,
   modulesPath,
   ...
 }: {
@@ -12,20 +11,10 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
-  boot = {
+  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "ahci" "usbhid" "sd_mod"];
-    initrd = {
+  boot.initrd.kernelModules = [];
-      availableKernelModules = ["nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod"];
+  boot.kernelModules = ["kvm-amd"];
-      kernelModules = [];
+  boot.extraModulePackages = [];
-    };
-    kernelModules = ["kvm-amd" "sg"];
-    extraModulePackages = [];
-
-    # Bootloader.
-    loader = {
-      systemd-boot.enable = true;
-      efi.canTouchEfiVariables = true;
-    };
-  };
 
   fileSystems = {
     "/" = {
@@ -49,4 +38,5 @@
   networking.useDHCP = lib.mkDefault true;
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

configurations/nixos/twilight/nvidia-drivers.nix

@@ -1,8 +1,4 @@
-{
+{config, ...}: {
-  lib,
-  config,
-  ...
-}: {
   services.xserver = {
     # Load nvidia driver for Xorg and Wayland
     videoDrivers = ["nvidia"];
@@ -46,7 +42,5 @@
       # Optionally, you may need to select the appropriate driver version for your specific GPU.
       package = config.boot.kernelPackages.nvidiaPackages.production;
     };
-
-    cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   };
 }