By default, U-Boot is configured to retrieve Linux kernel image stored in the microSD card [1]. In turn, Linux kernel shall mount root file system from the <code>mmcblk0p2</code> partition of the [[#XUELK DIVELK microSD Layout|microSD card itself]]. At the end of boot process, Linux shell shall be available on the serial console.
The following dump shows the typical messages printed out to the console during bootstrap process.