nixos/profiles/hardware/apu2e4.nix

   1 { pkgs, lib, config, ... }:
   2 {
   3 hardware.cpu.amd.updateMicrocode = true;
   4 nix = {
   5   # Too CPU hungry for the APU2, for too little Mio saved
   6   autoOptimiseStore = false;
   7   maxJobs = 4;
   8 };
   9 powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
  10
  11 boot.loader = {
  12   grub = {
  13     enable = true;
  14     version = 2;
  15     copyKernels = true;
  16     configurationLimit = 1;
  17     # efiSupport = true;
  18     # In case canTouchEfiVariables doesn't work
  19     #efiInstallAsRemovable = true;
  20     devices = [
  21       # Completed in the importing configuration
  22     ];
  23     /*
  24     mirroredBoots = [
  25       { devices = [ "${disk_id}" ];
  26         path    = "/boot${bootnum}";
  27       }
  28     ];
  29     */
  30   };
  31   /*
  32   efi = {
  33     canTouchEfiVariables = true;
  34     efiSysMountPoint = "/boot/efi";
  35   };
  36   */
  37 };
  38
  39 boot.initrd = {
  40   availableKernelModules = [
  41     "ahci"
  42     "ehci_pci"
  43     "sd_mod"
  44     "sg"
  45     "uas"
  46     # Ethernet driver
  47     "igb"
  48     # Made the AES modules available at initrd,
  49     # to speedup the deciphering of the root.
  50     "aes_x86_64"
  51     "aesni_intel"
  52     "cryptd"
  53   ];
  54   kernelModules = [
  55     "igb"
  56   ];
  57 };
  58
  59 boot.kernelParams = [
  60   "gfxpayload=text"
  61   #"console=tty0"
  62   "console=ttyS0,115200n8"
  63   # Use arc_summary to print stats
  64   "zfs.zfs_arc_max=${toString (500 * 1024 * 1024)}" # bytes
  65 ];
  66
  67 environment.systemPackages = [
  68   pkgs.pciutils
  69   pkgs.flashrom
  70 ];
  71 }