RE_MCU_CMD
CSR_WRITE_1(sc, RE_MCU_CMD, CSR_READ_1(sc, RE_MCU_CMD) & ~RE_NOW_IS_OOB);
if ((CSR_READ_1(sc, RE_MCU_CMD) & (RE_TXFIFO_EMPTY | RE_RXFIFO_EMPTY)) == (RE_TXFIFO_EMPTY | RE_RXFIFO_EMPTY))
if ((CSR_READ_1(sc, RE_MCU_CMD) & (RE_TXFIFO_EMPTY | RE_RXFIFO_EMPTY)) == (RE_TXFIFO_EMPTY | RE_RXFIFO_EMPTY))