TWS_I2O0_HOBQPH
tws_write_reg(sc, TWS_I2O0_HOBQPH, reg, 4);
tws_write_reg(sc, TWS_I2O0_HOBQPH, paddrh, 4);
out_mfa = (u_int64_t)tws_read_reg(sc, TWS_I2O0_HOBQPH, 4);