mirror of
https://github.com/nix-community/raspberry-pi-nix.git
synced 2025-11-08 19:46:03 +01:00
add option to turn off migration service
This commit is contained in:
Travis Staton
parent
23faa56e6c
commit
6e0da67830
1 changed files with 189 additions and 174 deletions
363
rpi/default.nix
363
rpi/default.nix
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@ -4,188 +4,203 @@
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{
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imports = [ ../sd-image ./config.nix ./i2c.nix ];
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systemd.services = {
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"raspberry-pi-firmware-migrate" = {
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description = "update the firmware partition";
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wantedBy = [ "multi-user.target" ];
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serviceConfig =
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let firmware-path = "/boot/firmware";
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in {
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Type = "oneshot";
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MountImages =
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"/dev/disk/by-label/${config.sdImage.firmwarePartitionName}:${firmware-path}";
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StateDirectory = "raspberrypi-firmware";
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ExecStart = pkgs.writeShellScript "migrate-rpi-firmware" ''
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shopt -s nullglob
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TARGET_FIRMWARE_DIR="${firmware-path}"
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TARGET_OVERLAYS_DIR="$TARGET_FIRMWARE_DIR/overlays"
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TMPFILE="$TARGET_FIRMWARE_DIR/tmp"
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UBOOT="${pkgs.uboot_rpi_arm64}/u-boot.bin"
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SRC_FIRMWARE_DIR="${pkgs.raspberrypifw}/share/raspberrypi/boot"
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STARTFILES=("$SRC_FIRMWARE_DIR"/start*.elf)
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DTBS=("$SRC_FIRMWARE_DIR"/*.dtb)
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BOOTCODE="$SRC_FIRMWARE_DIR/bootcode.bin"
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FIXUPS=("$SRC_FIRMWARE_DIR"/fixup*.dat)
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SRC_OVERLAYS_DIR="$SRC_FIRMWARE_DIR/overlays"
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SRC_OVERLAYS=("$SRC_OVERLAYS_DIR"/*)
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CONFIG="${config.hardware.raspberry-pi.config-output}"
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migrate_uboot() {
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echo "migrating uboot"
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touch "$STATE_DIRECTORY/uboot-migration-in-progress"
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cp "$UBOOT" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/u-boot-rpi-arm64.bin"
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echo "${
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builtins.toString pkgs.uboot_rpi_arm64
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}" > "$STATE_DIRECTORY/uboot-version"
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rm "$STATE_DIRECTORY/uboot-migration-in-progress"
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}
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migrate_config() {
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echo "migrating config.txt"
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touch "$STATE_DIRECTORY/config-migration-in-progress"
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cp "$CONFIG" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/config.txt"
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echo "${config.hardware.raspberry-pi.config-output}" > "$STATE_DIRECTORY/config-version"
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rm "$STATE_DIRECTORY/config-migration-in-progress"
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}
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migrate_firmware() {
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echo "migrating raspberrypi firmware"
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touch "$STATE_DIRECTORY/firmware-migration-in-progress"
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for SRC in "''${STARTFILES[@]}" "''${DTBS[@]}" "$BOOTCODE" "''${FIXUPS[@]}"
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do
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cp "$SRC" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/$(basename "$SRC")"
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done
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if [[ ! -d "$TARGET_OVERLAYS_DIR" ]]; then
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mkdir "$TARGET_OVERLAYS_DIR"
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fi
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for SRC in "''${SRC_OVERLAYS[@]}"
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do
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cp "$SRC" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_OVERLAYS_DIR/$(basename "$SRC")"
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done
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echo "${
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builtins.toString pkgs.raspberrypifw
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}" > "$STATE_DIRECTORY/firmware-version"
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rm "$STATE_DIRECTORY/firmware-migration-in-progress"
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}
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if [[ -f "$STATE_DIRECTORY/uboot-migration-in-progress" || ! -f "$STATE_DIRECTORY/uboot-version" || $(< "$STATE_DIRECTORY/uboot-version") != ${
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builtins.toString pkgs.uboot_rpi_arm64
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} ]]; then
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migrate_uboot
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fi
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if [[ -f "$STATE_DIRECTORY/config-migration-in-progress" || ! -f "$STATE_DIRECTORY/config-version" || $(< "$STATE_DIRECTORY/config-version") != ${
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builtins.toString config.hardware.raspberry-pi.config-output
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} ]]; then
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migrate_config
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fi
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if [[ -f "$STATE_DIRECTORY/firmware-migration-in-progress" || ! -f "$STATE_DIRECTORY/firmware-version" || $(< "$STATE_DIRECTORY/firmware-version") != ${
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builtins.toString pkgs.raspberrypifw
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} ]]; then
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migrate_firmware
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fi
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'';
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};
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};
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};
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# Default config.txt on Raspberry Pi OS:
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# https://github.com/RPi-Distro/pi-gen/blob/master/stage1/00-boot-files/files/config.txt
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hardware.raspberry-pi.config = {
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cm4 = {
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options = {
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otg_mode = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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};
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pi4 = {
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options = {
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arm_boost = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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};
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all = {
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options = {
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# The firmware will start our u-boot binary rather than a
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# linux kernel.
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kernel = {
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enable = true;
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value = "u-boot-rpi-arm64.bin";
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};
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arm_64bit = {
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enable = true;
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value = true;
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};
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enable_uart = {
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enable = true;
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value = true;
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};
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avoid_warnings = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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camera_auto_detect = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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display_auto_detect = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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disable_overscan = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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dt-overlays = {
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vc4-kms-v3d = {
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enable = lib.mkDefault true;
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params = { };
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options = with lib; {
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raspberry-pi-nix = {
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firmware-migration-service = {
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enable = mkOption {
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default = true;
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type = types.bool;
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};
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};
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};
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};
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nixpkgs = { overlays = [ overlay ]; };
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boot = {
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initrd.availableKernelModules = [
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"usbhid"
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"usb_storage"
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"vc4"
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"pcie_brcmstb" # required for the pcie bus to work
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"reset-raspberrypi" # required for vl805 firmware to load
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];
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kernelPackages = pkgs.linuxPackagesFor (pkgs.rpi-kernels.latest.kernel);
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config = {
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systemd.services = {
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"raspberry-pi-firmware-migrate" =
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lib.mkIf config.raspberry-pi-nix.firmware-migration-service.enable {
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description = "update the firmware partition";
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wantedBy = [ "multi-user.target" ];
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serviceConfig =
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let firmware-path = "/boot/firmware";
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in {
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Type = "oneshot";
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MountImages =
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"/dev/disk/by-label/${config.sdImage.firmwarePartitionName}:${firmware-path}";
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StateDirectory = "raspberrypi-firmware";
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ExecStart = pkgs.writeShellScript "migrate-rpi-firmware" ''
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shopt -s nullglob
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loader = {
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grub.enable = lib.mkDefault false;
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generic-extlinux-compatible = {
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enable = lib.mkDefault true;
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# We want to use the device tree provided by firmware, so don't
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# add FDTDIR to the extlinux conf file.
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useGenerationDeviceTree = false;
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TARGET_FIRMWARE_DIR="${firmware-path}"
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TARGET_OVERLAYS_DIR="$TARGET_FIRMWARE_DIR/overlays"
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TMPFILE="$TARGET_FIRMWARE_DIR/tmp"
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UBOOT="${pkgs.uboot_rpi_arm64}/u-boot.bin"
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SRC_FIRMWARE_DIR="${pkgs.raspberrypifw}/share/raspberrypi/boot"
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STARTFILES=("$SRC_FIRMWARE_DIR"/start*.elf)
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DTBS=("$SRC_FIRMWARE_DIR"/*.dtb)
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BOOTCODE="$SRC_FIRMWARE_DIR/bootcode.bin"
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FIXUPS=("$SRC_FIRMWARE_DIR"/fixup*.dat)
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SRC_OVERLAYS_DIR="$SRC_FIRMWARE_DIR/overlays"
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SRC_OVERLAYS=("$SRC_OVERLAYS_DIR"/*)
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CONFIG="${config.hardware.raspberry-pi.config-output}"
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migrate_uboot() {
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echo "migrating uboot"
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touch "$STATE_DIRECTORY/uboot-migration-in-progress"
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cp "$UBOOT" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/u-boot-rpi-arm64.bin"
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echo "${
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builtins.toString pkgs.uboot_rpi_arm64
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}" > "$STATE_DIRECTORY/uboot-version"
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rm "$STATE_DIRECTORY/uboot-migration-in-progress"
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}
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migrate_config() {
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echo "migrating config.txt"
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touch "$STATE_DIRECTORY/config-migration-in-progress"
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cp "$CONFIG" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/config.txt"
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echo "${config.hardware.raspberry-pi.config-output}" > "$STATE_DIRECTORY/config-version"
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rm "$STATE_DIRECTORY/config-migration-in-progress"
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}
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migrate_firmware() {
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echo "migrating raspberrypi firmware"
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touch "$STATE_DIRECTORY/firmware-migration-in-progress"
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for SRC in "''${STARTFILES[@]}" "''${DTBS[@]}" "$BOOTCODE" "''${FIXUPS[@]}"
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do
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cp "$SRC" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_FIRMWARE_DIR/$(basename "$SRC")"
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done
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if [[ ! -d "$TARGET_OVERLAYS_DIR" ]]; then
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mkdir "$TARGET_OVERLAYS_DIR"
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fi
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for SRC in "''${SRC_OVERLAYS[@]}"
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do
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cp "$SRC" "$TMPFILE"
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mv -T "$TMPFILE" "$TARGET_OVERLAYS_DIR/$(basename "$SRC")"
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done
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echo "${
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builtins.toString pkgs.raspberrypifw
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}" > "$STATE_DIRECTORY/firmware-version"
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rm "$STATE_DIRECTORY/firmware-migration-in-progress"
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}
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if [[ -f "$STATE_DIRECTORY/uboot-migration-in-progress" || ! -f "$STATE_DIRECTORY/uboot-version" || $(< "$STATE_DIRECTORY/uboot-version") != ${
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builtins.toString pkgs.uboot_rpi_arm64
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} ]]; then
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migrate_uboot
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fi
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if [[ -f "$STATE_DIRECTORY/config-migration-in-progress" || ! -f "$STATE_DIRECTORY/config-version" || $(< "$STATE_DIRECTORY/config-version") != ${
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builtins.toString config.hardware.raspberry-pi.config-output
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} ]]; then
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migrate_config
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fi
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if [[ -f "$STATE_DIRECTORY/firmware-migration-in-progress" || ! -f "$STATE_DIRECTORY/firmware-version" || $(< "$STATE_DIRECTORY/firmware-version") != ${
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builtins.toString pkgs.raspberrypifw
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} ]]; then
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migrate_firmware
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fi
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'';
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};
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};
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};
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# Default config.txt on Raspberry Pi OS:
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# https://github.com/RPi-Distro/pi-gen/blob/master/stage1/00-boot-files/files/config.txt
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hardware.raspberry-pi.config = {
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cm4 = {
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options = {
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otg_mode = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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};
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pi4 = {
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options = {
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arm_boost = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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};
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all = {
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options = {
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# The firmware will start our u-boot binary rather than a
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# linux kernel.
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kernel = {
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enable = true;
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value = "u-boot-rpi-arm64.bin";
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};
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arm_64bit = {
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enable = true;
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value = true;
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};
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enable_uart = {
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enable = true;
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value = true;
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};
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avoid_warnings = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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camera_auto_detect = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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display_auto_detect = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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disable_overscan = {
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enable = lib.mkDefault true;
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value = lib.mkDefault true;
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};
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};
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dt-overlays = {
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vc4-kms-v3d = {
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enable = lib.mkDefault true;
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params = { };
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};
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};
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};
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};
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};
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hardware.enableRedistributableFirmware = true;
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services = {
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udev.extraRules = ''
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SUBSYSTEM=="dma_heap", GROUP="video", MODE="0660"
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KERNEL=="gpiomem", GROUP="gpio", MODE="0660"
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KERNEL=="gpiochip*", GROUP="gpio", MODE="0660"
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'';
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nixpkgs = { overlays = [ overlay ]; };
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boot = {
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initrd.availableKernelModules = [
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"usbhid"
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"usb_storage"
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"vc4"
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"pcie_brcmstb" # required for the pcie bus to work
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"reset-raspberrypi" # required for vl805 firmware to load
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];
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kernelPackages = pkgs.linuxPackagesFor (pkgs.rpi-kernels.latest.kernel);
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loader = {
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grub.enable = lib.mkDefault false;
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generic-extlinux-compatible = {
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enable = lib.mkDefault true;
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# We want to use the device tree provided by firmware, so don't
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# add FDTDIR to the extlinux conf file.
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useGenerationDeviceTree = false;
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};
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};
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};
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hardware.enableRedistributableFirmware = true;
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services = {
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udev.extraRules = ''
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SUBSYSTEM=="dma_heap", GROUP="video", MODE="0660"
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KERNEL=="gpiomem", GROUP="gpio", MODE="0660"
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KERNEL=="gpiochip*", GROUP="gpio", MODE="0660"
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'';
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};
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};
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}
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