1PCI bus bridges have standardized Device Tree bindings: 2 3PCI Bus Binding to: IEEE Std 1275-1994 4http://www.openfirmware.org/ofwg/bindings/pci/pci2_1.pdf 5 6And for the interrupt mapping part: 7 8Open Firmware Recommended Practice: Interrupt Mapping 9http://www.openfirmware.org/1275/practice/imap/imap0_9d.pdf 10