Ok, the log looks like the one I got when my machine was unable to find the RAM.
I suggest a different CPU. I realize that's a hard thing to do, and it's ok to use the exact same type of CPU (A10-5800K). It fixed the problem for my F2A85 and A10-5800K.
The only other option I can think of is to not use coreboot, just stick with the vendor BIOS. But I am willing to try things until coreboot works for you.
Rudolf Marek and some of the people at sage (se-eng.com) may have other suggestions.
David