GMF_RST_CLR
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);