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47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
= Pine64 PineTab
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include::_support/common.inc[]
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== Device-specific notes
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This configuration is for the retail version of PineTab, with the Feixin K101
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IM2BYL02 display panel. For display to work on the early dev units with IM2BA02
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panels, you need to use the correct device tree.
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=== Building a full disk image
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This platform uses the `u-boot` system-type. This means that a full disk image
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can be produced, and this full disk image flashed _outright_ to the block
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device. That block device can be the internal eMMC or the SD card.
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The PineTab will boot from SD card if a bootloader can be found. This means
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that the full disk image can be flashed to an SD card, and it will prioritise
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booting it.
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```
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$ nix-build --argstr device pine64-pinetab -A build.disk-image
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$ dd if=result of=/dev/mmcblkX bs=8M oflag=sync,direct status=progress
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```
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=== Building the boot partition
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Building the full disk image may require a native AArch64 system.
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The boot partition can be built, and then flashed on top of an existing Mobile
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NixOS boot partition.
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```
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$ nix-build --argstr device pine64-pinetab -A build.boot-partition
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$ dd if=result/mobile-nixos-boot.img of=/dev/mmcblkXp3 bs=8M oflag=sync,direct status=progress
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```
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=== Building U-Boot
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Flashing the boot partition will not affect the installed U-Boot bootloader.
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U-Boot can be built and then flashed the usual way for Allwinner platforms.
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```
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$ nix-build --argstr device pine64-pinetab -A build.u-boot
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$ dd if=result/u-boot-sunxi-with-spl.bin of=/dev/mmcblkX bs=1024 seek=8
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```
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