TPM_CRB_LOC_CTRL
r = bus_space_read_4(sc->sc_bt, sc->sc_bh, TPM_CRB_LOC_CTRL);
bus_space_write_4(sc->sc_bt, sc->sc_bh, TPM_CRB_LOC_CTRL,
r = bus_space_read_4(sc->sc_bt, sc->sc_bh, TPM_CRB_LOC_CTRL);
bus_space_write_4(sc->sc_bt, sc->sc_bh, TPM_CRB_LOC_CTRL,