COM_REG_DLBH
[COM_REG_DLBH] = AUCOM_DLB,
[COM_REG_DLBH] = MIO_UART_DLH_OFFSET,
[COM_REG_DLBH] = RA_UART_DLM,
CSR_WRITE_1(regsp, COM_REG_DLBH, sc->sc_dlbh);
CSR_WRITE_1(regsp, COM_REG_DLBH, sc->sc_dlbh);
CSR_WRITE_1(regsp, COM_REG_DLBH, sc->sc_dlbh);
[COM_REG_DLBH] = com_dlbh,
CSR_WRITE_1(regsp, COM_REG_DLBH, rate >> 8);