To rebuild the kernel: cd /bbb/bb-kernel/KERNEL export CROSSCOMPILEarm-linux-gnueabihf- export ARCHarm make -j8 V1<< Build the kernel and device tree make -j8 dtbs << OR just. this will clobber any changes you've made and start from scratch. There are many ways of formatting a card like this. Building New Device Trees and Linux Kernels. Just copy the two files from the tar file onto a partition of a micro SD card. Or you can compile them from source following the instructions further down. Get U-Bootįor those in a hurry, you can use the pre-compiled binaries from. I tested using BeagleBone Black rev A5c and rev 6 and Ubuntu 12.04 on my PC.Īs well as the BeagleBone and a micro SD card, you will need a serial-to-USB cable and it is recommended that you use an external power supplyīecause the current used when writing to the eMMC chip may exceed that supplied by a typical USB port. Use fastboot comands to format the internal memory and copy U-Boot into it.
Create a bootable micro SD card containing the new U-Boot.Get the new U-Boot, either by downloading the pre-compiled binaries or building from source.It is this version that I am going to describe here. However, even this version does not work out of the box and has a few annoyances, so I have cloned it and made some changes to make it easier to use. Various vendors have added it to their own versions, including the Rowboat project for the BeagleBone Black (and other devices). Mainline U-Boot does not support fastboot.
#U boot for beaglebone black how to
If you want some background on fastboot and so on, you might be interested in a presentation I created a little while ago that describes the Android early boot process, how boot images are formatted and how to use the fastboot command: Background on fastboot and Android boot images 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.
0 kommentar(er)
