OFW_PCI_PHYS_HI_BUS
if (b != OFW_PCI_PHYS_HI_BUS(reg.phys_hi))
b = OFW_PCI_PHYS_HI_BUS(reg.phys_hi);
b = OFW_PCI_PHYS_HI_BUS(reg.phys_hi);
if (b != OFW_PCI_PHYS_HI_BUS(reg.phys_hi))
b = OFW_PCI_PHYS_HI_BUS(reg.phys_hi);