1Intro 2===== 3 4This default configuration will allow you to start experimenting with the 5buildroot environment for the Bananapi M2 ULtra. With the current 6configuration it will bring-up the board, and allow access through the 7serial console. 8 9Bananapi M2 Ultra link: 10http://www.banana-pi.org/m2u.html 11 12This configuration uses U-Boot mainline and kernel mainline. 13 14How to build 15============ 16 17 $ make bananapi_m2_ultra_defconfig 18 $ make 19 20Note: you will need access to the internet to download the required 21sources. 22 23How to write the SD card 24======================== 25 26Once the build process is finished you will have an image called "sdcard.img" 27in the output/images/ directory. 28 29Copy the bootable "sdcard.img" onto an SD card with "dd": 30 31 $ sudo dd if=output/images/sdcard.img of=/dev/sdX 32 $ sudo sync 33 34Insert the micro SDcard in your Bananapi M2 Ultra and power it up. The console 35is on the serial line, 115200 8N1. 36