First, Vincent replied to my last FSP post with an URL to another FSP-related spec, the Boot Setting File (BSF) spec, see the comments here:
https://firmwaresecurity.com/2016/05/03/intel-fsp-2-0/#comments
Second, Vincent has two posts of his own on FSP, I may’ve blogged about one, but I believe the other one is new, there’s a lot of new FSP links to start learning…:
http://vzimmer.blogspot.com/2016/04/open-source-platforms-fsp-consumers-fsp.html
https://firmware.intel.com/blog/open-source-platforms-edkii-using-intel-fsp
Firmware Security 