csr_sia_connectivity
TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);