5 files changed, 112 insertions, 0 deletions
diff --git a/hosts/IDOHVE/hardware/boot.nix b/hosts/IDOHVE/hardware/boot.nix
new file mode 100644
index 00000000..932155a4
--- /dev/null
+++ b/hosts/IDOHVE/hardware/boot.nix
@@ -0,0 +1,32 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  boot = {
+    initrd = {
+      compressor = "lz4";
+      compressorArgs = ["-9"];
+
+      # TODO check this:
+      availableKernelModules = ["xhci_pci" "nvme" "rtsx_pci_sdmmc"];
+    };
+
+    kernelModules = ["kvm-amd"];
+    kernelPackages = pkgs.linuxPackages_latest;
+    loader = {
+      grub = {
+        enable = true;
+        version = 2;
+        theme = pkgs.nixos-grub2-theme;
+        splashImage = ./grub_boot_image.png;
+        efiSupport = true;
+        device = "nodev"; # only for efi
+      };
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+    };
+  };
+}
diff --git a/hosts/IDOHVE/hardware/cpu.nix b/hosts/IDOHVE/hardware/cpu.nix
new file mode 100644
index 00000000..5d61d02f
--- /dev/null
+++ b/hosts/IDOHVE/hardware/cpu.nix
@@ -0,0 +1,4 @@
+{config, ...}: {
+  powerManagement.cpuFreqGovernor =  "powersave";
+  hardware.cpu.amd.updateMicrocode = true; # Why not?
+}
diff --git a/hosts/IDOHVE/hardware/filesystems.nix b/hosts/IDOHVE/hardware/filesystems.nix
new file mode 100644
index 00000000..a188df18
--- /dev/null
+++ b/hosts/IDOHVE/hardware/filesystems.nix
@@ -0,0 +1,41 @@
+{config, ...}: let
+  main_disk = "/dev/disk/by-uuid/<uuid>";
+in {
+  fileSystems = {
+    "/" = {
+      device = "none";
+      fsType = "tmpfs";
+      options = ["defaults" "size=2G" "mode=755"];
+    };
+    "/nix" = {
+      device = main_disk;
+      fsType = "btrfs";
+      options = ["subvol=@nix" "compress-force=zstd:9"];
+    };
+    "/boot" = {
+      device = "/dev/disk/by-uuid/<uuid>";
+      fsType = "vfat";
+    };
+
+    "/srv/home" = {
+      device = main_disk;
+      fsType = "btrfs";
+      options = ["subvol=@home" "compress-force=zstd:9"];
+    };
+    "/srv/nixos-config" = {
+      device = main_disk;
+      fsType = "btrfs";
+      options = ["subvol=@nixos-config" "compress-force=zstd:9"];
+    };
+
+    "/etc/nixos" = {
+      device = "/srv/nix-config";
+      options = ["bind"];
+    };
+    "/home" = {
+      device = "/srv/home";
+      options = ["bind"];
+    };
+  };
+  swapDevices = [];
+}
diff --git a/hosts/IDOHVE/hardware/gpu.nix b/hosts/IDOHVE/hardware/gpu.nix
new file mode 100644
index 00000000..49197c2b
--- /dev/null
+++ b/hosts/IDOHVE/hardware/gpu.nix
@@ -0,0 +1,16 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+
+  hardware.opengl.extraPackages = with pkgs; [
+    rocm-opencl-icd # open-cl
+    amdvlk # or directly through mesa
+    amd-media-driver # libva
+  ];
+
+  # Force radv, TODO is this logical?
+  environment.variables.AMD_VULKAN_ICD = "RADV";
+}
diff --git a/hosts/IDOHVE/hardware/hardware.nix b/hosts/IDOHVE/hardware/hardware.nix
new file mode 100644
index 00000000..20e4c4f3
--- /dev/null
+++ b/hosts/IDOHVE/hardware/hardware.nix
@@ -0,0 +1,19 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix") # TODO is this necessary?
+    ./cpu.nix
+    ./gpu.nix
+    ./boot.nix
+    ./filesystems.nix
+  ];
+
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}
+