2019-11-14 23:40:51 +01:00
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WIP stuff to get started on the pinebook pro.
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2019-11-14 23:47:56 +01:00
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2020-01-07 21:20:13 +01:00
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## Using in your configuration
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2019-11-14 23:47:56 +01:00
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2020-01-07 21:20:13 +01:00
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Clone this repository somwhere, and in your configuration.nix
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2019-11-14 23:47:56 +01:00
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```
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2020-01-07 21:20:13 +01:00
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{
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imports = [
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.../pinebook-pro/pinebook_pro.nix
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];
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}
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2019-11-14 23:47:56 +01:00
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```
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2020-01-07 21:20:13 +01:00
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That entry point will try to stay unopinionated, while maximizing the hardware
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compatibility.
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2019-11-14 23:47:56 +01:00
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2020-01-07 21:20:13 +01:00
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## Compatibility
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2019-11-14 23:47:56 +01:00
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2020-01-07 21:20:13 +01:00
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### Tested
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* X11 with modesetting
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* Wi-Fi
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* Brightness controls
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2020-01-22 04:11:03 +01:00
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* Speaker output
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2020-01-07 21:20:13 +01:00
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### Untested
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* Bluetooth
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### Known issues
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* Suspend (or resume) fails.
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2020-01-06 21:36:56 +01:00
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2020-01-07 21:36:28 +01:00
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### Tips
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The backlight can be controlled using `light` (`programs.light.enable`).
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2020-01-06 21:36:56 +01:00
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## Image build
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```
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$ ./build.sh
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2020-01-06 22:57:27 +01:00
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$ lsblk /dev/mmcblk0 && sudo dd if=$(echo result/sd-image/*.img) of=/dev/mmcblk0 bs=8M oflag=direct status=progress
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2020-01-06 21:36:56 +01:00
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```
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2020-01-06 23:30:19 +01:00
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The `build.sh` script transmits parameters to `nix-build`, so e.g. `-j0` can
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be used.
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Once built, this image is self-sufficient, meaning that it should already be
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booting, no need burn u-boot to it.
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2020-01-07 02:28:37 +01:00
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The required modules (and maybe a bit more) are present in stage-1 so the
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display should start early enough in the boot process.
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2020-01-06 23:30:19 +01:00
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2020-01-18 00:30:52 +01:00
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The LED should start up with the amber colour ASAP with this u-boot
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2020-01-07 02:29:08 +01:00
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configuration, as a way to show activity early. The kernel should set it to
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green as soon as it can.
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2020-01-06 23:30:19 +01:00
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## Note about cross-compilation
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This will automatically detect the need for cross-compiling or not.
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When cross-compiled, all caveats apply. Here this mainly means that the kernel
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will need to be re-compiled on the device on the first nixos-rebuild switch,
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while most other packages can be fetched from the cache.
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2020-01-07 21:20:13 +01:00
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## `u-boot`
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Assuming `/dev/mmcblk0` is an SD card.
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```
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$ nix-build -A pkgs.uBootPinebookPro
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$ lsblk /dev/mmcblk0 && sudo dd if=result/idbloader.img of=/dev/mmcblk0 bs=512 seek=64 oflag=direct,sync && sudo dd if=result/u-boot.itb of=/dev/mmcblk0 bs=512 seek=16384 oflag=direct,sync
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```
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The eMMC has to be zeroed (in the relevant sectors) or else the RK3399 will use
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the eMMC as a boot device first.
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Alternatively, this u-boot can be installed to the eMMC.
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Installing to SPI has yet to be investigated.
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2020-01-07 21:58:47 +01:00
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2020-01-17 20:14:53 +01:00
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### Updating eMMC u-boot from NixOS
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**Caution:** this could render your system unbootable. Do this when you are in
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a situation where you can debug and fix the system if this happens. With this
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said, it should be safe enough.
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```
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$ nix-build -A pkgs.uBootPinebookPro
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$ lsblk /dev/disk/by-path/platform-fe330000.sdhci && sudo dd if=result/idbloader.img of=/dev/disk/by-path/platform-fe330000.sdhci bs=512 seek=64 oflag=direct,sync && sudo dd if=result/u-boot.itb of=/dev/disk/by-path/platform-fe330000.sdhci bs=512 seek=16384 oflag=direct,sync
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```
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2020-01-18 00:30:57 +01:00
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### Alternative boot order
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If you rather USB and SD card is tried before the eMMC, `pkgs.uBootPinebookProExternalFirst`
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can be installed, which has an alternative patch set added on top that will
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change the boot order.
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2020-01-22 04:37:42 +01:00
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The SD image is built using the "alternative boot order" u-boot. Thus, flashing
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the image to your eMMC keeps external devices bootable.
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2020-01-18 00:30:57 +01:00
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2020-01-07 21:58:47 +01:00
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## Keyboard firmware
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```
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$ nix-build -A pkgs.pinebookpro-keyboard-updater
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2020-01-22 21:29:19 +01:00
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$ sudo ./result/bin/updater step-1 <iso|ansi>
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$ sudo poweroff
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2020-01-07 21:58:47 +01:00
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# ...
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2020-01-22 21:29:19 +01:00
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$ sudo ./result/bin/updater step-2 <iso|ansi>
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$ sudo poweroff
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# ...
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$ sudo ./result/bin/updater flash-kb-revised <iso|ansi>
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2020-01-07 21:58:47 +01:00
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```
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2020-01-22 21:29:19 +01:00
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Note: poweroff must be used, reboot does not turn the hardware "off" enough.
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