81 lines
2.0 KiB
Nix
81 lines
2.0 KiB
Nix
{ config, pkgs, lib, ... }:
|
|
{
|
|
boot = {
|
|
loader.generic-extlinux-compatible.enable = false;
|
|
loader.raspberryPi = {
|
|
enable = true;
|
|
version = 4;
|
|
firmwareConfig = lib.mkDefault ''
|
|
gpu_mem=256
|
|
dtparam=audio=on
|
|
# disable uart, enable bluetooth
|
|
enable_uart=0
|
|
'';
|
|
};
|
|
# linuxPackages_latest doesn't boot
|
|
# FIXME: needs u-boot or .dtb?
|
|
kernelPackages = pkgs.linuxPackages_latest;
|
|
kernelParams = [
|
|
"verbose" "shell_on_fail"
|
|
"elevator=deadline"
|
|
# ethernet causes panics every few boots,
|
|
# reboot automatically after 5s
|
|
"panic=5"
|
|
];
|
|
initrd = {
|
|
network = {
|
|
enable = true;
|
|
flushBeforeStage2 = false;
|
|
# DHCP: 120 tries every 1 second
|
|
udhcpc.extraArgs = [ "-t" "120" "-T" "1" ];
|
|
};
|
|
supportedFilesystems = lib.mkForce [
|
|
"nfs"
|
|
];
|
|
includeDefaultModules = false;
|
|
availableKernelModules = [
|
|
"genet"
|
|
"usbhid"
|
|
];
|
|
};
|
|
|
|
tmpOnTmpfs = true;
|
|
};
|
|
|
|
hardware.deviceTree.enable = true;
|
|
|
|
environment.systemPackages = with pkgs; [
|
|
libraspberrypi
|
|
raspberrypi-eeprom
|
|
];
|
|
|
|
services.journald.extraConfig = ''
|
|
Storage=volatile
|
|
'';
|
|
|
|
networking.networkmanager.enable = false;
|
|
|
|
system.build.tftproot = pkgs.runCommand "tftproot-${config.networking.hostName}" {} ''
|
|
mkdir -p $out
|
|
|
|
cp -rs ${pkgs.raspberrypifw}/share/raspberrypi/boot/* $out/
|
|
ln -sf ${config.system.build.kernel}/Image $out/kernel8.img
|
|
ln -sf ${config.system.build.initialRamdisk}/initrd $out/initrd.img
|
|
|
|
chmod u+w $out/overlays
|
|
rm -fr $out/*.dtb $out/overlays
|
|
for f in $(find ${config.hardware.deviceTree.package}/ -name \*.dtb) ; do
|
|
ln -s $f $out/
|
|
done
|
|
|
|
cat << EOF > $out/config.txt
|
|
kernel=kernel8.img
|
|
initramfs initrd.img followkernel
|
|
arm_64bit=1
|
|
${toString config.boot.loader.raspberryPi.firmwareConfig}
|
|
EOF
|
|
|
|
echo "dwc_otg.lpm_enable=0 init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams}" > $out/cmdline.txt
|
|
'';
|
|
}
|