49 lines
1.1 KiB
Nix
49 lines
1.1 KiB
Nix
|
{ config, pkgs, lib, ... }:
|
||
|
|
|
||
|
|
{
|
||
|
|
boot.loader.grub.enable = false;
|
||
|
|
boot.loader.raspberryPi = {
|
||
|
|
enable = true;
|
||
|
|
version = 3;
|
||
|
|
firmwareConfig = ''
|
||
|
|
gpu_mem=192
|
||
|
|
dtparam=audio=on
|
||
|
|
disable_overscan=1
|
||
|
|
hdmi_drive=2
|
||
|
|
disable_audio_dither=1
|
||
|
|
|
||
|
|
# Can be shortened if desired.
|
||
|
|
boot_delay=10
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
# This is necessary for the rpi3.
|
||
|
|
boot.kernelPackages = pkgs.linuxPackages_rpi4;
|
||
|
|
|
||
|
|
# Enable nonfree firmware (necessary for the rpi)
|
||
|
|
hardware.enableRedistributableFirmware = true;
|
||
|
|
|
||
|
|
boot.supportedFilesystems = [ "ext4" ];
|
||
|
|
|
||
|
|
# Log important messages to the system console.
|
||
|
|
boot.consoleLogLevel = lib.mkDefault 7;
|
||
|
|
|
||
|
|
# These are the filesystems defined on the SD image.
|
||
|
|
fileSystems = {
|
||
|
|
"/boot" = {
|
||
|
|
device = "/dev/disk/by-label/FIRMWARE";
|
||
|
|
fsType = "vfat";
|
||
|
|
options = [ "nofail" ];
|
||
|
|
};
|
||
|
|
"/" = {
|
||
|
|
device = "/dev/disk/by-label/NIXOS_SD";
|
||
|
|
fsType = "ext4";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
# Prevent use of swapspace as much as possible
|
||
|
|
boot.kernel.sysctl = { "vm.swappiness" = 0; };
|
||
|
|
|
||
|
|
swapDevices = [ { device = "/swap"; size = 2048; } ];
|
||
|
|
}
|