Hello Jonathan,
Your response surely came as a blessing ... reading it halfway through, I was just about to throw the towel, but when I read the rest, it truly made my day. So it must have been just recently, that the coreboot support for the AMD K8 (Fam0Fh) was deprecated, as the board is listed in the latest, 4.8 stable release. Oh well, at least for me it's no harm done, as it never was my intention to dabble in coreboot, only to keep those 2nd Gen Opterons in the Ultra 40 M2's sockets ... I just somehow overlooked the "K8 only" neon sign, tying together two stories that could have been a >marriage made in heaven<, but apparently the merging of two worlds never really happened - the actual Sun Ultra 40 M2 coreboot port, and the yearnings of Sun Ultra 40 M2 owners from years ago, voicing high hopes in the coreboot project, to bring the 4 and 6-Core K10 Opteron support to life. My imagination and want did the rest; I never once questioned the K10, for being supported or not by the coreboot port, although the absence of any reference in your board status table was a bit odd, now that I think about it (!).
First and foremost - I would be delighted to try out your latest K10/Fam10h port, to flash it on my yet to be purchased Ultra 40 M2 machine. I would be also keen to know, which Quad-Core Opterons did you use for testing (or you still use), as I'm in no position to gamble with something untested ... unless you can reassure me that it doesn't really matter, which K10 Opterons I choose for playing (Barcelona, Shanghai, Instanbul - be it regular of High Efficiency variants). If you decide to push your "Ultra 40 M2 - Fam10h" Port to some public place (like GitHub), that would be great. if you're not inclined to do that at this stage, then I'd be grateful for some other arrangements, until you decide what to do with your port, in reference to official coreboot project.
There's only one "small" problem ... before I'm competent enough, to either talk or do anything coreboot related, I'll have to learn to crawl and walk first, or so it seems (have a look at my response to David). Browsing through available coreboot documentation it suddenly dawned on me, that I may not be nearly enough qualified, to even start with the work (flash the coreboot image onto existing or blank BIOS chip), let alone do some customizations, or contribute the relevant test results. I really don't want to surrender, not after I got so excited about doing this, but unless I receive some additional guidance (links, directions...), I'm pretty much stuck in the mud.
Looking forward ...
Kind regards,
Bostjan
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Bostjan Kravcar