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NixOS on Allwinner D1

## With Nix flakes
$ nix build .#nixosConfigurations.sdImageLicheeRVInstaller.config.system.build.sdImage

## Or without Nix flakes
$ NIX_PATH='nixpkgs=channel:nixos-unstable' nix-build '<nixpkgs/nixos>' -I nixos-config=./sd-image-licheerv-installer.nix --arg system null -A config.system.build.sdImage

Due to performance limitations of current RISC-V machines, it may not be trivial to build this natively. This project currently prefers cross builds from x86_64-linux. It is recommended to add hydra.nichi.co to your Nix binary cache.

Prebuilt images can be found on the GitHub releases page.

Status

The image boots successfully with WiFi and HDMI support. Supported boards:

  • Sipeed LicheeRV Dock
  • MangoPi MQ-Pro (compatible with LicheeRV)
  • MangoPi MQ

asciicast

Other build options

For cross builds from other platforms, edit sd-image-licheerv-installer.nix:

-  nixpkgs.buildPlatform = "x86_64-linux";
+  nixpkgs.buildPlatform = "aarch64-linux";

For native / emulated builds, edit sd-image-licheerv-installer.nix:

-  nixpkgs.buildPlatform = "x86_64-linux";

For emulated builds on NixOS, add this to your system's configuration.nix:

  boot.binfmt.emulatedSystems = [ "riscv64-linux" ];

For emulated builds on non-NixOS, check this discourse.

Configuration

# flake.nix
{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixos-sun20iw1p1.url = "github:chuangzhu/nixos-sun20iw1p1";
  };
  outputs = { self, nixpkgs, nixos-sun20iw1p1 }: {
    nixosConfugurations.myLicheeRV = nixpkgs.lib.nixosSystem {
      modules = [
        nixos-sun20iw1p1.nixosModules.sd-image-licheerv
        ./hardware-configuration.nix
        ./configuration.nix
        ({ pkgs, config, ... }: {
          nixpkgs.buildPlatform = "x86_64-linux";
        })
      ];
    };
  };
}

Then you can build your customized SD card image using nix build .#nixosConfigurations.myLicheeRV.config.system.build.sdImage.

When you make changes, you can build the new configuration using nix build .#nixosConfigurations.myLicheeRV.config.system.build.toplevel, copy it to the running system using nix copy --no-check-sigs --to ssh://root@ip.to.mylicheerv.example ./result, then execute /nix/store/xxxx-nixos-system-myLicheeRV-xxxx/switch-to-configuration switch on the board.

Without Nix flakes

# configuration.nix
{ config, pkgs, lib, ... }: {
  imports = [
    <nixos-sun20iw1p1/sd-image-licheerv.nix>
    ./hardware-configuration.nix
  ];
  nixpkgs.buildPlatform = "x86_64-linux";
}
$ NIX_PATH='nixpkgs=channel:nixos-unstable:nixos-sun20iw1p1=https://github.com/chuangzhu/nixos-sun20iw1p1/archive/master.tar.gz' nix-build '<nixpkgs/nixos>' -I nixos-config=configuration.nix --arg system null -A config.system.build.sdImage

Credit

I followed this guide from the linux-sunxi community. Many thanks to @smaeul and other people's awesome work. This is based on @NickCao and @zhaofengli's work porting numerous Nix packages to riscv64-linux.