SIOP_CTEST4
writeb(addr + SIOP_CTEST4, readb(addr + SIOP_CTEST4) & ~CTEST4_BDIS);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4, CTEST4_MUX);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4, CTEST4_MUX);
writeb(addr + SIOP_CTEST4, readb(addr + SIOP_CTEST4) & ~CTEST4_BDIS);
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4,
bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) &
bus_space_write_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4,
bus_space_read_1(sc->sc_rt, sc->sc_rh, SIOP_CTEST4) |