COM_REG_IER
[COM_REG_IER] = AUCOM_IER,
[COM_REG_IER] = MIO_UART_IER_OFFSET,
[COM_REG_IER] = RA_UART_IER,
CSR_WRITE_1(&sc->sc_regs, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(&sc->sc_regs, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(regsp, COM_REG_IER, IER_EUART);
CSR_WRITE_1(regsp, COM_REG_IER, 0);
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(&sc->sc_regs, COM_REG_IER,
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);
[COM_REG_IER] = com_ier,
CSR_WRITE_1(regsp, COM_REG_IER, IER_EUART);
CSR_WRITE_1(regsp, COM_REG_IER, 0);
CSR_WRITE_1(&sc->sc_regs, COM_REG_IER, 0);
CSR_WRITE_1(&sc->sc_regs, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);
CSR_WRITE_1(regsp, COM_REG_IER, sc->sc_ier);