AGPNICMD
pci_read_config_word(td, bridge->capndx+AGPNICMD, &tnicmd);
pci_write_config_word(td, bridge->capndx+AGPNICMD, tnicmd);
pci_read_config_word(dev, cur->capndx+AGPNICMD, &mnicmd);
pci_write_config_word(dev, cur->capndx+AGPNICMD, mnicmd);