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=== DragonBoard 410c ===
You can use fastboot (from the android-tools-fastboot package) to
boot U-Boot or flash U-Boot on your DragonBoard 410c. Connect your
PC via a USB cable to the micro-USB port on the DragonBoard. Hold
the volume down (-) button (S4) and turn on the device to go into
fastboot mode.
You have two options: you can load U-Boot without flashing it (for
example to test U-Boot) or you can flash it to the device.
In order to load U-Boot without flashing it, run this command:
fastboot boot /usr/lib/u-boot/dragonboard410c/u-boot.img
In order to flash U-Boot to the boot partition, run:
fastboot flash boot /usr/lib/u-boot/dragonboard410c/u-boot.img
You have to reset your device after "fastboot flash boot" to start
U-Boot.
When U-Boot starts, it will try to boot from attached devices in
the following order:
* USB
* External SD card
* Internal SD card (eMMC)
At the moment, there's no graphics support, so you will only see the
U-Boot output if you have the optional serial console adapter.
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