The existing code did not properly detect various link attributes
on Family 10h/15h processors. With the addition of new HT3- and
IOMMU-specific code, proper detection has become critical to avoid
system deadlocks.
Fix and streamline link attribute detection.
Change-Id: If63dd97f070df4aab25a1e1a34df4b1112fff4b1
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/12071
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
f8549e88e2