RT2661_TX_CNTL_CSR
RAL_WRITE(sc, RT2661_TX_CNTL_CSR, RT2661_KICK_MGT);
RAL_WRITE(sc, RT2661_TX_CNTL_CSR, 1);
RAL_WRITE(sc, RT2661_TX_CNTL_CSR, 0x1f << 16);