osmium: added

machines/osmium/sd-image-aarch64-orangepi-r1plus.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  modulesPath,
+  lib,
+  pkgs,
+  ...
+}:
+let
+in
+{
+  imports = [
+    (modulesPath + "/profiles/base.nix")
+  ];
+
+  boot.loader.grub.enable = false;
+  boot.loader.generic-extlinux-compatible.enable = true;
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  boot.kernelParams = [
+    "earlycon"
+    "console=ttyS2,1500000"
+    "consoleblank=0"
+  ];
+  boot.supportedFilesystems = lib.mkForce [
+    "ext4"
+    "vfat"
+    "ntfs"
+  ];
+
+  sdImage = {
+    compressImage = false;
+    imageBaseName = "nixos-sd-image-orange-pi-r1-plus-lts";
+    firmwarePartitionOffset = 16;
+    populateFirmwareCommands = ''
+      echo "Install U-Boot: ${pkgs.ubootOrangePiR1LtsPackage}"
+      dd if=${pkgs.ubootOrangePiR1LtsPackage}/idbloader.img of=$img seek=64 conv=notrunc
+      dd if=${pkgs.ubootOrangePiR1LtsPackage}/u-boot.itb of=$img seek=16384 conv=notrunc
+    '';
+    populateRootCommands = ''
+      mkdir -p ./files/boot
+      ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot
+    '';
+  };
+}