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NixOS on ARM/Libre Computer ROC-RK3328-CC: Difference between revisions

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$ nix-build '<nixpkgs/nixos>' \
$ nix-build '<nixpkgs/nixos>' \
     -A config.system.build.sdImage \
     -A config.system.build.sdImage \
     -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/9bc841f.tar.gz \ # pinned to nixos-unstable on 2022-03-23
     -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/9bc841fec1c0e8b9772afa29f934d2c7ce57da8e.tar.gz \ # pinned to nixos-unstable on 2022-03-23
     -I nixos-config=./sd-image.nix</syntaxHighlight>
     -I nixos-config=./sd-image.nix</syntaxHighlight>


== USB ==
== USB ==
To enable USB power ''GPIO1_D2'' must be pulled high. D2 translates to 26 (D=4, 4*8+2=26). This is most easily done with the following systemd service.
To enable USB power ''GPIO1_D2'' must be pulled high. D2 translates to 26 (D=4, 4*8+2=26). Normally this is configured in the device tree, which gets loaded at boot time. At the time of writing, the ROC-RK3328-CC version of u-boot hasn't been ported to nixpkgs yet, so this is most easily done with the following systemd service.


<syntaxHighlight lang=nix>
<syntaxHighlight lang=nix>
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{| class="table"
{| class="table"
|-
|-
!colspan="2" style="background: #fafafa"| Pi-2 Bus
!colspan="2" style="background: var(--color-inverted)"| Pi-2 Bus
|-
|-
! Pin
! Pin
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{| class="table arm-compatibility"
{| class="table arm-compatibility"
|
|
! style="background: #fafafa" | Mainline kernel
! style="background: var(--color-inverted)" | Mainline kernel
|-
|-
! Ethernet  
! Ethernet  
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* [https://www.libre.computer/products/rk3328/ Official product page]
* [https://www.libre.computer/products/rk3328/ Official product page]
* [https://roc-rk3328-cc.readthedocs.io/en/latest/intro.html Official Getting Started Guide]
* [https://roc-rk3328-cc.readthedocs.io/en/latest/intro.html Official Getting Started Guide]
[[Category:NixOS on ARM]]
Retrieved from "https://wiki.nixos.org/wiki/NixOS_on_ARM/Libre_Computer_ROC-RK3328-CC"