CH_CR
ch_base[CH_CR] = CR_ENA_RX | CR_ENA_TX;
sc->sc_chbase[CH_CR] = CR_CMD_RESET_ERR; /* resets break? */
sc->sc_chbase[CH_CR] = CR_CMD_START_BRK;
sc->sc_chbase[CH_CR] = CR_CMD_STOP_BRK;
dp->base[CH_CR] = CR_CMD_MR0;
dp->base[CH_CR] = CR_CMD_MR0;
sc->sc_chbase[CH_CR] = CR_CMD_MR0;
sc->sc_chbase[CH_CR] = CR_CMD_MR0;
sc->sc_chbase[CH_CR] = CR_CMD_MR1;
sc->sc_chbase[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_DIS_TX;
ch_base[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_CMD_MR0;
ch_base[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_CMD_MR0;
ch_base[CH_CR] = CR_CMD_RTS_OFF;
ch_base[CH_CR] = CR_CMD_RTS_OFF;
ch_base[CH_CR] = CR_ENA_TX;
ch_base[CH_CR] = CR_CMD_MR1;
ch_base[CH_CR] = CR_DIS_RX | CR_DIS_TX;
ch_base[CH_CR] = CR_CMD_RESET_RX;
ch_base[CH_CR] = CR_CMD_RESET_TX;
ch_base[CH_CR] = CR_CMD_RESET_ERR;
ch_base[CH_CR] = CR_CMD_RESET_BRK;
ch_base[CH_CR] = CR_CMD_MR1;
sc->sc_qr.qr_ch_regs[0].qr_cr = CH_CR(0);
sc->sc_qr.qr_ch_regs[1].qr_cr = CH_CR(1);