From ae514940617df7ed5ccf681e541d1e328b25746d Mon Sep 17 00:00:00 2001
From: James Andariese <james@strudelline.net>
Date: Sat, 3 May 2025 15:49:34 -0500
Subject: [PATCH] rpi4/chimchar wip

---
 flake.nix          |  2 +-
 hosts/chimchar.nix | 35 +++++++++++++++++++++++++++++++++++
 types/rpi4.nix     | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100644 hosts/chimchar.nix
 create mode 100644 types/rpi4.nix

diff --git a/flake.nix b/flake.nix
index 64cddc3..4a2767f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,6 +66,6 @@
       };};
     };
   } ( [] # lists to recursively merge into the config.
-      ++ (map (h: buildMachine h "x86_64-linux") hosts)
+      ++ (map (h: buildMachine h "aarch64-linux") hosts)
   );
 }
diff --git a/hosts/chimchar.nix b/hosts/chimchar.nix
new file mode 100644
index 0000000..9b8c9b8
--- /dev/null
+++ b/hosts/chimchar.nix
@@ -0,0 +1,35 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, lib, inputs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ../types/rpi4.nix
+    ];
+  config = {
+    networking = {
+      hostName = "chimchar";
+      wireless = {
+        enable = true;
+        networks."STRUDEL7".psk = "1floopydroober";
+        interfaces = [ "wlan0" ];
+      };
+    };
+
+    fileSystems."/" =
+      { device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
+        fsType = "ext4";
+        options = [ "noatime" ];
+      };
+
+    swapDevices = [ ];
+
+    services.xserver.enable = true;
+    services.xserver.displayManager.lightdm.enable = true;
+    services.xserver.windowManager.fvwm3.enable = true;
+    networking.useDHCP = lib.mkDefault true;
+  };
+}
diff --git a/types/rpi4.nix b/types/rpi4.nix
new file mode 100644
index 0000000..c23a173
--- /dev/null
+++ b/types/rpi4.nix
@@ -0,0 +1,42 @@
+{ config, pkgs, lib, flake-inputs, ... }:
+
+{
+  imports = [
+    ../modules/session.nix
+    ../modules/users.nix
+    ../modules/serial-console.nix
+    ../modules/pragmatic-bin.nix
+  ];
+
+  hardware.enableRedistributableFirmware = true;
+  boot.initrd.availableKernelModules = [ "xhci_pci" "usbhid" "usb_storage" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
+  boot.extraModulePackages = [ ];
+  boot.loader = {
+    grub.enable = false;
+    generic-extlinux-compatible.enable = lib.mkForce true;
+  };
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+
+  services.openssh.enable = true;
+  networking.firewall.enable = false;
+
+  environment.systemPackages = with pkgs; [
+    neovim
+    htop
+  ];
+
+  systemd.network.wait-online.enable = lib.mkDefault false;
+
+  security.sudo = {
+    enable = true;
+    extraRules = [
+      { users = [ "%wheel" ];
+        commands = [ { command = "ALL"; options = [ "NOPASSWD" ]; } ];
+      }
+    ];
+  };
+}