John Baldwin 98bbce55fa Adjust the code to probe for the PCI config mechanism to use. ... - On amd64, just assume type #1 is always used. PCI 2.0 mandated deprecated type #2 and required type #1 for all future bridges which was well before amd64 existed. - For i386, ignore whatever value was in 0xcf8 before testing for type #1 and instead rely on the other tests to determine if type #1 works. Some newer machines leave garbage in 0xcf8 during boot and as a result the kernel doesn't find PCI at all (which greatly confuses ACPI which expects PCI to exist when PCI busses are in the namespace). MFC after: 3 days Discussed with: scottl		2007-11-28 22:20:08 +00:00
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pci_bus.c	Make the PCI code aware of PCI domains (aka PCI segments) so we can	2007-09-30 11:05:18 +00:00
pci_cfgreg.c	Adjust the code to probe for the PCI config mechanism to use.	2007-11-28 22:20:08 +00:00