Frank Vibrans from AMD pushed commits for the Fam12 and SB900 code into gerrit last week. This is just days after the official A-series release. The review has started. Feel free to help out. The gerrit links are:
http://review.coreboot.org/#change,54
http://review.coreboot.org/#change,53
http://review.coreboot.org/#change,52
http://review.coreboot.org/#change,51
http://review.coreboot.org/#change,41
http://review.coreboot.org/#change,40