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46 lines
1.6 KiB
Markdown
46 lines
1.6 KiB
Markdown
## Install Instructions
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The Dragonboard is unique in the way that it uses and android bootloader to load the OS. This makes it difficult for a few reasons:
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1) Requires a very specific partition layout
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2) Typically requires a secondary bootloader (usually little kernel (LK). we use u-boot).
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All this makes it difficult to create a disk image that can easily be flashed and booted natively. After some time trying various different configurations this is what I landed on:
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#### Flash the .img file to and SD card (dd, rufus, LE disk image tool, etc)
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```
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gunzip LibreELEC-Dragonboard.arm-9.80-devel-20190706164625-ce7dc9b-410c.img.gz
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dd if=LibreELEC-Dragonboard.arm-9.80-devel-20190706164625-ce7dc9b-410c.img of=/dev/sdx bs=4M
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```
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#### Mount the first partition
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```
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mount /dev/sdx1 /mnt (or similar)
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```
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#### Mount the squashfs SYSTEM file
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```
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mount -o loop /mnt/SYSTEM /mnt2 (or similar)
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```
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#### Write the u-boot bootloader using fastboot
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to write u-boot to the boot partition on the emmc you will need to use fastboot. (NOTE: this will wipe out whatever you have in the boot partition on the emmc and will make it so that OS does not boot anymore).
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To enter fastboot mode read the following instructions:
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1) While holding the Vol (-) button, power on the DragonBoard™ 410c by plugging it in
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2) Once DragonBoard™ 410c is plugged into power, release your hold on the Vol (-) button.
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3) Wait for about 20 seconds.
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4) Board should boot into fastboot mode.
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```
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fastboot flash boot /mnt2/usr/share/bootloader/u-boot.img
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```
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#### Unmount partitions
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```
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umount /mnt2
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umount /mnt
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```
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#### Plug SD card into Dragonboard and power on
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