Commit 851d511b5d48

@@ -0,0 +1,56 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+{
+  hardware.raspberry-pi.config = {
+    all = {
+      # [all] conditional filter, https://www.raspberrypi.com/documentation/computers/config_txt.html#conditional-filters
+
+      options = {
+        camera_auto_detect.enable = false;
+
+        # https://www.raspberrypi.com/documentation/computers/config_txt.html#enable_uart
+        # in conjunction with `console=serial0,115200` in kernel command line (`cmdline.txt`)
+        # creates a serial console, accessible using GPIOs 14 and 15 (pins
+        #  8 and 10 on the 40-pin header)
+        enable_uart = {
+          enable = true;
+          value = true;
+        };
+        # https://www.raspberrypi.com/documentation/computers/config_txt.html#uart_2ndstage
+        # enable debug logging to the UART, also automatically enables
+        # UART logging in `start.elf`
+        uart_2ndstage = {
+          enable = true;
+          value = true;
+        };
+      };
+
+      # Base DTB parameters
+      # https://github.com/raspberrypi/linux/blob/a1d3defcca200077e1e382fe049ca613d16efd2b/arch/arm/boot/dts/overlays/README#L132
+      base-dt-params = {
+
+        # https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#enable-pcie
+        pciex1 = {
+          enable = true;
+          value = "on";
+        };
+        # PCIe Gen 3.0
+        # https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#pcie-gen-3-0
+        pciex1_gen = {
+          enable = true;
+          value = "3";
+        };
+
+      };
+      dt-overlays = {
+        # needs to be false otherwise it hangs at boot time
+        vc-kms-v3d = lib.mkForce false;
+      };
+    };
+  };
+}

@@ -49,6 +49,7 @@ in
 {
   imports = [
     inputs.disko.nixosModules.disko
+    ./config.txt.nix
   ];
   disko.devices = {
     disk.nvme0 = {
@@ -69,14 +70,17 @@ in
           };
 
           root = {
-            type = "filesystem";
-            format = "ext4";
-            mountpoint = "/";
-            mountOptions = [
-              "noatime"
-              "nodiratime"
-              "discard"
-            ];
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+              mountOptions = [
+                "noatime"
+                "nodiratime"
+                "discard"
+              ];
+            };
           };
         };