Symbol: MIICFG_SERIAL_ENABLE
sys/dev/netif/tx/if_tx.c
842
sc->miicfg &= ~MIICFG_SERIAL_ENABLE;
sys/dev/netif/tx/if_tx.c
917
sc->miicfg |= MIICFG_694_ENABLE | MIICFG_SERIAL_ENABLE;