diff options
Diffstat (limited to 'nixos/modules/installer/sd-card/sd-image-aarch64.nix')
-rw-r--r-- | nixos/modules/installer/sd-card/sd-image-aarch64.nix | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/nixos/modules/installer/sd-card/sd-image-aarch64.nix b/nixos/modules/installer/sd-card/sd-image-aarch64.nix new file mode 100644 index 00000000000..321793882f4 --- /dev/null +++ b/nixos/modules/installer/sd-card/sd-image-aarch64.nix @@ -0,0 +1,74 @@ +# To build, use: +# nix-build nixos -I nixos-config=nixos/modules/installer/sd-card/sd-image-aarch64.nix -A config.system.build.sdImage +{ config, lib, pkgs, ... }: + +{ + imports = [ + ../../profiles/base.nix + ./sd-image.nix + ]; + + boot.loader.grub.enable = false; + boot.loader.generic-extlinux-compatible.enable = true; + + boot.consoleLogLevel = lib.mkDefault 7; + + # The serial ports listed here are: + # - ttyS0: for Tegra (Jetson TX1) + # - ttyAMA0: for QEMU's -machine virt + boot.kernelParams = ["console=ttyS0,115200n8" "console=ttyAMA0,115200n8" "console=tty0"]; + + sdImage = { + populateFirmwareCommands = let + configTxt = pkgs.writeText "config.txt" '' + [pi3] + kernel=u-boot-rpi3.bin + + [pi02] + kernel=u-boot-rpi3.bin + + [pi4] + kernel=u-boot-rpi4.bin + enable_gic=1 + armstub=armstub8-gic.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/firmware/) + + # Add the config + cp ${configTxt} firmware/config.txt + + # Add pi3 specific files + cp ${pkgs.ubootRaspberryPi3_64bit}/u-boot.bin firmware/u-boot-rpi3.bin + + # Add pi4 specific files + cp ${pkgs.ubootRaspberryPi4_64bit}/u-boot.bin firmware/u-boot-rpi4.bin + cp ${pkgs.raspberrypi-armstubs}/armstub8-gic.bin firmware/armstub8-gic.bin + cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/bcm2711-rpi-4-b.dtb firmware/ + ''; + populateRootCommands = '' + mkdir -p ./files/boot + ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot + ''; + }; +} |