Damien Zammit has posted comments on this change. ( https://review.coreboot.org/21872 )
Change subject: biostar/a68n_5200: Port to working UART console ......................................................................
Patch Set 1:
coreboot-4.5-3351-g14ea487 Wed Oct 4 09:19:11 UTC 2017 romstage starting... Console inited!
coreboot-4.5-3351-g14ea487 Wed Oct 4 09:19:11 UTC 2017 romstage starting... APIC 00: CPU Family_Model = 00700f01
APIC 00: ** Enter AmdInitReset [00020007]
AmdInitReset: Start
*** !!!AGESAcb_Agesa ***
[TP:c0] FCH Reset Data Block Allocation: [0x0], Ptr = 0x004001e0 Fch OEM config in INIT RESET
[TP:b1]
HANG....
.config is here https://pastebin.com/raw/Wn5mGRCA