WR5
setsioreg(sc->sc_ctl, WR5, sc->sc_wr[WR5]);
setsioreg(sc->sc_ctl, WR5, sc->sc_wr[WR5]);
sc->sc_wr[WR5] &= 0x9f;
sc->sc_wr[WR3] |= WR3_RX7BIT; sc->sc_wr[WR5] |= WR5_TX7BIT;
sc->sc_wr[WR3] |= WR3_RX8BIT; sc->sc_wr[WR5] |= WR5_TX8BIT;
setsioreg(sc->sc_ctl, WR5, sc->sc_wr[WR5]);
wr5 = sc->sc_wr[WR5];
sc->sc_wr[WR5] = wr5;
setsioreg(sc->sc_ctl, WR5, wr5);
setsioreg(sio, WR5, ch0_regs[WR5]);
sioreg(REG(0, WR5), WR5_TX8BIT | WR5_TXENBL | WR5_DTR | WR5_RTS); /* Tx */
sioreg(REG(1, WR5), WR5_TX8BIT | WR5_TXENBL); /* Tx */