DragonBoard 410c is a single-board computer based on Qualcomm Snapdragon 410 SoC. The Apps Bootloader is open-source based on LK. This is an experiment to remove some features of the original bootloader, and add custom features to the taste of specific projects.
ROM -> Qualcomm SBL -> Apps Bootloader -> Linux/Android
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Removed other platforms that are not Dragonboard 410c (APQ8016)
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Removed openssl & signature check of the linux kernel binary
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Removed graphics support
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Removed unclear apps
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Change of behavior: Always boot in fastboot mode when there is a micro USB connected.
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Change of behavior: Blink board LEDs when in bootloader mode
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Change of code organization: Simplified makefile
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Change of code organization: Simplified signlk script
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Added feature: More than one USB device interface descriptor. On the future will support USB serial device for bootloader
You need a Linux Ubuntu host. Have a look at bootloader_tool.sh
- Victor Pecanins vpecanins@arroweurope.com