fastboot

Updated images for Android KitKat on BeagleBone Black

Update: This page is out of date. I have put together all of the information on running Android on BeagelBone on the Android4Beagle page

I have updated the internal eMMC flash and sdcard images for BeagleBone Black. Most changes are to make U-Boot work better with fastboot, especially to make it possible to enter fastboot without having to type "fastboot" at a U-Boot prompt and so avoid the need to have a serial cable. Also, I have increased the sizes of the system and userdata partitions so that you can install more apps. I am still using Android KitKat 4.4.4 and TI Linux 3.2 kernel with SGX accelerated graphics libraries.

Android sparse image format

Fastboot

Many Android bootloaders implement the fastboot protocol for loading and flashing images to internal memory (there is some background information about how Android boots and boot image formats in these slides: http://www.slideshare.net/chrissimmonds/android-bootslides20). Fastboot is a simple USB protocol using ASCII text strings for commands and responses. In recent versions of the AOSP you can find the specification in system/core/fastboot/fastboot_protocol.txt.

Building Jelly Bean 4.3 AOSP for Beaglebone Black v2.0 - with fastboot

Update: This page is out of date. I have put together all of the information on running Android on BeagelBone on the Android4Beagle page

A little while ago I wrote Building Jelly Bean 4.3 AOSP for Beaglebone Black which describes how to install Android on a micro SD card and boot the BeagleBone from it. Then I did some research on integrating fastboot into U-Boot and wrote Android fastboot for BeagleBone Black. Now I am bringing the two together.

I did think about editing the first article, but I think it is cleaner to have a new tutoruial that works for the new use case.

Android fastboot for BeagleBone Black

In this article I describe how to install U-Boot with Android fastboot support on a BeagleBone Black, which means that you can install new Android images onto the internal eMMC memory over a USB cable using the normal “fastboot” command-line tool.

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