jhb 2008-09-10 18:06:08 UTC
FreeBSD src repository
Modified files:
sys/amd64/pci pci_cfgreg.c
sys/i386/pci pci_cfgreg.c
Log:
SVN rev 182910 on 2008-09-10 18:06:08Z by jhb
Some K8 chipsets don't expose all of the PCI devices on bus 0 via PCIe
memory-mapped config access. Add a workaround for these systems by
checking the first function of each slot on bus 0 using both the
memory-mapped config access and the older type 1 I/O port config access.
If we find a slot that is only visible via the type 1 I/O port config
access, we flag that slot. Future PCI config transactions to flagged
slots on bus 0 use type 1 I/O port config access rather than memory mapped
config access.
Revision Changes Path
1.112 +48 -14 src/sys/amd64/pci/pci_cfgreg.c
1.131 +44 -14 src/sys/i386/pci/pci_cfgreg.c
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