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| − | {{ARM/breadcrumb}}
| + | This page has been moved to the official NixOS Wiki: |
| − | <div class="infobox">
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| − | {|class="table"
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| − | !colspan="2" class="title"|Hardkernel ODROID-HC4
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| − | |-
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| − | !Manufacturer
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| − | |Hardkernel
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| − | |-
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| − | !Architecture
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| − | |ARMv7
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| − | |-
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| − | !Bootloader
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| − | |U-Boot
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| − | |-
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| − | !Boot options
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| − | |SD (SATA?)
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| − | |}
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| − | </div>
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| | | | |
| − | == Status ==
| + | ⇒ '''[https://wiki.nixos.org/wiki/NixOS_on_ARM/ODROID-HC4 NixOS on ARM/ODROID-HC4]''' |
| | | | |
| − | Mostly working, but some manual steps needed to get it running.
| + | ''— samueldr, Lead of NixOS on ARM.'' |
| − | | |
| − | U-boot support in NixPkgs is currently in review: [https://github.com/NixOS/nixpkgs/pull/101454 NixPkgs Pull Request #101454]
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| − | | |
| − | == Board-specific installation notes ==
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| − | | |
| − | === Petitboot removal ===
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| − | | |
| − | Petitboot is installed on the SPI memory of the Odroid HC4 from factory. To be able to load an upstreamed version of U-Boot without having to press a hardware button at each boot, you may remove it.
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| − | '''Please proceed with caution, this will make Hardkernel images unbootable!''' | |
| − | | |
| − | From the Petitboot, go for “Exit to shell” and enter these commands to remove Petitboot:
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| − | <syntaxhighlight lang="bash">
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| − | flash_eraseall /dev/mtd0
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| − | flash_eraseall /dev/mtd1
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| − | flash_eraseall /dev/mtd2
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| − | flash_eraseall /dev/mtd3
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| − | </syntaxhighlight>
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| − | | |
| − | This will make your SPI flash memory empty and the device will now start from SD on next boot.
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| − | | |
| − | See [https://forum.odroid.com/viewtopic.php?f=207&t=40906 this Odroid forum topic] to restore Petitboot.
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| − | | |
| − | === NixOS installation ===
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| − | | |
| − | # First follow the [[NixOS_on_ARM#Installation|generic installation steps]] to get the '''21.05 (Latest kernel)''' installer image.
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| − | # Uncompress the .zst file. One may use the <code>unzstd</code> command (equivalent to <code>zstd -d</code>) on supported machines. The zstd commands can be accessed from the <code>zstd</code> package.
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| − | # Patch this image (.img file) with U-Boot for Odroid HC4. <syntaxhighlight lang="bash">
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| − | # Clone content of pull request https://github.com/NixOS/nixpkgs/pull/101454 and build
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| − | git clone https://github.com/arapov/nixpkgs --depth 1 -b hardkernel && cd nixpkgs
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| − | nix-build -I "nixpkgs=$PWD" -A pkgsCross.aarch64-multiplatform.ubootOdroidC4
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| − | sudo dd if=result/u-boot.bin of=PATH/TO/nixos-sd-image-21.05.XXXX.XXXXXXXX-aarch64-linux.img conv=fsync,notrunc bs=512 seek=1
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| − | </syntaxhighlight>
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| − | # Flash the modified SD image file (.img) to a microSD card. '''This will erase all the data on the card!'''
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| − | | |
| − | == Known Problems ==
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| − | | |
| − | === SATA is not working ===
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| − | | |
| − | SATA is working on Armbian with mainline kernel and u-boot but not on NixOS 21.05: lspci returns nothing.
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| − | WIP
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| − | | |
| − | == Resources ==
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| − | | |
| − | * [https://www.hardkernel.com/shop/odroid-hc4/ Official product page]
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| − | * [https://github.com/considerate/nixos-odroidhc4/ NixOS configuration for the ODROID HC4 microcomputer by considerate]
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| − | * [https://www.armbian.com/odroid-hc4/ Armbian Odroid HC4]
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| − | * [https://u-boot.readthedocs.io/en/latest/board/amlogic/odroid-c4.html U-Boot for Odroid C4 documentation]
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