TPM_ACCESS
if (bus_space_read_1(bt, bh, TPM_ACCESS) & TPM_ACCESS_VALID)
if ((bus_space_read_1(sc->sc_bt, sc->sc_bh, TPM_ACCESS) &
bus_space_write_1(sc->sc_bt, sc->sc_bh, TPM_ACCESS,
while ((r = bus_space_read_1(sc->sc_bt, sc->sc_bh, TPM_ACCESS) &
if ((bus_space_read_1(sc->sc_bt, sc->sc_bh, TPM_ACCESS) &
bus_space_write_1(sc->sc_bt, sc->sc_bh, TPM_ACCESS,