I2O_REG_TOFIFO
(U32)(sc->ha_Base + I2O_REG_TOFIFO); /* XXX 64-bit */
I2O_REG_TOFIFO));
bus_space_write_4(sc->ha_i2o_btag, sc->ha_i2o_bhandle, I2O_REG_TOFIFO,