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NixOS on ARM/Raspberry Pi: Difference between revisions

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imported>MrVanDalo
fixed troubleshooting link
imported>Makefu
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Use <code>nix-shell -p screen --run "screen /dev/ttyUSB0 115200"</code> to connect to the console.  
Use <code>nix-shell -p screen --run "screen /dev/ttyUSB0 115200"</code> to connect to the console.  
{{note|The mainline kernel (tested with nixos kernel 4.18.7) [https://github.com/raspberrypi/linux/wiki/Upstreaming#downstream-drivers does not include support for cpu frequency scaling] on the Raspberry Pi. To get higher clock speed, set [https://www.raspberrypi.org/documentation/configuration/config-txt/overclocking.md <code><nowiki>force_turbo=1</nowiki></code>] in <code>/boot/config.txt</code> }}
{{note|The mainline kernel (tested with nixos kernel 4.18.7) [https://github.com/raspberrypi/linux/wiki/Upstreaming#downstream-drivers does not include support for cpu frequency scaling] on the Raspberry Pi. To get higher clock speed, set [https://www.raspberrypi.org/documentation/configuration/config-txt/overclocking.md <code><nowiki>force_turbo=1</nowiki></code>] in <code>/boot/config.txt</code> }}
{{note|Right now (2017-10-08) wifi is not working out of the box on the Raspberrypi 3, you will need to use ethernet. Add the following to your configuration.nix. This requires linux kernel > 4.13.0 }}
{{note|As of today (2018-01-13) the stable channel contains fixes for wifi for both the stable and the latest linux kernel. Check out {{pull|53747}} }}
<syntaxhighlight lang=nix>
<syntaxhighlight lang=nix>
{
{
   ...
   ...
   hardware.enableRedistributableFirmware = true;
   hardware.enableRedistributableFirmware = true;
  hardware.firmware = [
    (pkgs.stdenv.mkDerivation {
    name = "broadcom-rpi3-extra";
    src = pkgs.fetchurl {
    url = "https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/54bab3d/brcm80211/brcm/brcmfmac43430-sdio.txt";
    sha256 = "19bmdd7w0xzybfassn7x4rb30l70vynnw3c80nlapna2k57xwbw7";
    };
    phases = [ "installPhase" ];
    installPhase = ''
    mkdir -p $out/lib/firmware/brcm
    cp $src $out/lib/firmware/brcm/brcmfmac43430-sdio.txt
    '';
    })
  ];
   networking.wireless.enable = true;
   networking.wireless.enable = true;
}
}
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