coreboot is one of the leading extended firmware frameworks, which recently gain popularity thanks to being default boot firmware for Google Chromebooks. It is promoted by Open Compute Project Open System Firmware Comittee and recognized by Qubes OS Team as viable option for Hardware Certification.
This course concentrates on bootstrapping knowledge about coreboot design principles and boot process. It also helps you prepare a coreboot development environment in the way professional coreboot service providers use. A correctly set envionment should lead to successful building and running QEMU emulated target.
Next step is to start exploring coreboot on real hardware in following "Architecture 4032: coreboot Hardware Hands-on" course.