GENI_M_CMD0
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, m_cmd);
HWRITE4(sc, GENI_M_CMD0, GENI_M_CMD0_OPCODE_UART_START_TX);
bus_space_write_4(iot, ioh, GENI_M_CMD0,