exca_setb
exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->memenable |
exca_setb(sc, EXCA_IOCTL, map->ioctlbits[io->width]);
exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->ioenable);
exca_setb(sc, EXCA_PWRCTL, EXCA_PWRCTL_OE);
exca_setb(sc, EXCA_INTR, EXCA_INTR_RESET);
exca_setb(sc, EXCA_INTR, EXCA_INTR_CARDTYPE_IO);
exca_setb(exca, EXCA_VADEM_VMISC, EXCA_VADEM_REV);
exca_setb(&sc->exca, EXCA_TOPIC97_CTRL,