RTK_RXCFG
CSR_WRITE_4(sc, RTK_RXCFG, RE_RXCFG_CONFIG);
rxcfg = CSR_READ_4(sc, RTK_RXCFG);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
CSR_WRITE_4(sc, RTK_RXCFG, CSR_READ_4(sc, RTK_RXCFG) &
CSR_WRITE_4(sc, RTK_RXCFG, RTK_RXCFG_CONFIG);
rxcfg = CSR_READ_4(sc, RTK_RXCFG);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
CSR_WRITE_4(sc, RTK_RXCFG, rxcfg);
rxfilt = CSR_READ_4(sc, RTK_RXCFG);
CSR_WRITE_4(sc, RTK_RXCFG, rxfilt);
CSR_WRITE_4(sc, RTK_RXCFG, rxfilt);
CSR_WRITE_4(sc, RTK_RXCFG, RTK_RXCFG_CONFIG);