On 2016-Jan-4 09:11 , Mark Cave-Ayland wrote:
While the configuration space range appears in real SPARC device trees, it isn't mentioned in the IEEE-1275 PCI bindings and in fact causes Darwin/OS X to calculate PCI address spaces incorrectly.
While not quibbling about whether it causes Darwin problems, config space *is* mentioned in the PCI binding, section 2.1.4.
See http://www.o3one.org/hwdocs/openfirmware/pci_supplement_2_1.pdf