EXP_FCTRL_OFFSET
regVal = EXP_BUS_READ_4(ixp425_softc, EXP_FCTRL_OFFSET);
EXP_BUS_WRITE_4(ixp425_softc, EXP_FCTRL_OFFSET, regVal | resetNpeParity);
EXP_BUS_WRITE_4(ixp425_softc, EXP_FCTRL_OFFSET, regVal &~ resetNpeParity);