{ pkgs, config, ... }: { nixpkgs.system = "aarch64-linux"; boot = { kernelParams = [ "console=ttyS1,115200n8" "console=tty0" ]; loader.generic-extlinux-compatible = { enable = true; configurationLimit = 3; }; }; hardware = { deviceTree.filter = "*rpi-3*.dtb"; enableRedistributableFirmware = true; }; systemd.network.links = { "10-ethernet" = { matchConfig.Path = "platform-3f980000.usb-usb-0:1.1.1:1.0"; linkConfig.Name = "ethernet"; }; "10-wifi" = { matchConfig.Path = "platform-3f300000.mmc"; linkConfig.Name = "wifi"; }; }; my = { disk = { bootSize = 512; persistSize = 1024; rootSize = "128M"; imageBaseName = "qclkos-rpi3"; # Based on `nixos/modules/installer/sd-card/sd-image-aarch64.nix` populateBootCommands = let configTxt = pkgs.writeText "config.txt" '' [pi3] kernel=u-boot-rpi3.bin [pi02] kernel=u-boot-rpi3.bin # Otherwise the resolution will be weird in most cases, compared to # what the pi3 firmware does by default. disable_overscan=1 # Supported in newer board revisions arm_boost=1 [all] # Boot in 64-bit mode. arm_64bit=1 # U-Boot needs this to work, regardless of whether UART is actually used or not. # Look in arch/arm/mach-bcm283x/Kconfig in the U-Boot tree to see if this is still # a requirement in the future. enable_uart=1 # Prevent the firmware from smashing the framebuffer setup done by the mainline kernel # when attempting to show low-voltage or overtemperature warnings. avoid_warnings=1 ''; in '' (cd ${pkgs.raspberrypifw}/share/raspberrypi/boot && cp bootcode.bin fixup*.dat start*.elf $NIX_BUILD_TOP/boot/) # Add the config cp ${configTxt} boot/config.txt # Add pi3 specific files cp ${pkgs.ubootRaspberryPi3_64bit}/u-boot.bin boot/u-boot-rpi3.bin cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/bcm2710-rpi-2-b.dtb boot/ cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/bcm2710-rpi-3-b.dtb boot/ cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/bcm2710-rpi-3-b-plus.dtb boot/ ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./boot ''; }; }; }