317  * \param uc_enable   0 to disable GMAC receiver, else to enable it.
326         else  in gmac_enable_receive()
336  * \param uc_enable   0 to disable GMAC transmit, else to enable it.
345         else  in gmac_enable_transmit()
355  * \param uc_enable   0 to disable GMAC management, else to enable it.
364         else  in gmac_enable_management()
394  * \param uc_enable   0 to disable the statistics registers writing, else to enable it.
403         else  in gmac_enable_statistics_write()
413  * \param uc_enable   0 to disable the back pressure, else to enable it.
422         else  in gmac_enable_back_pressure()
482  * \param uc_enable   0 to normal operation, else to enable the store.
491         else  in gmac_store_rx_time_stamp()
510         else  in gmac_enable_pfc_pause_frame()
586         else  in gmac_set_speed()
596  * \param uc_enable   0 to disable the Full-Duplex mode, else to enable it.
605         else  in gmac_enable_full_duplex()
615  * \param uc_enable   0 to disable copying all valid frames, else to enable it.
624         else  in gmac_enable_copy_all()
634  * \param uc_enable   0 to disable the jumbo frames, else to enable it.
643         else  in gmac_enable_jumbo_frames()
653  * \param uc_enable   1 to disable the broadcast, else to enable it.
662         else  in gmac_disable_broadcast()
672  * \param uc_enable   0 to disable the multicast hash, else to enable it.
681         else  in gmac_enable_multicast_hash()
691  * \param uc_enable   0 to disable big frames else to enable it.
700         else  in gmac_enable_big_frame()
723         else if( ul_mck > GMAC_MCK_SPEED_160MHZ )  in gmac_set_mdc_clock()
727         else if( ul_mck > GMAC_MCK_SPEED_120MHZ )  in gmac_set_mdc_clock()
731         else if( ul_mck > GMAC_MCK_SPEED_80MHZ )  in gmac_set_mdc_clock()
735         else if( ul_mck > GMAC_MCK_SPEED_40MHZ )  in gmac_set_mdc_clock()
739         else if( ul_mck > GMAC_MCK_SPEED_20MHZ )  in gmac_set_mdc_clock()
743         else  in gmac_set_mdc_clock()
756  * \param uc_enable   0 to disable the GMAC receiver, else to enable it.
765         else  in gmac_enable_retry_test()
775  * \param uc_enable   0 to disable pause frame, else to enable it.
784         else  in gmac_enable_pause_frame()
806  * \param uc_enable   0 to disable receive length field checking, else to enable it.
815         else  in gmac_enable_rx_length_check()
825  * \param uc_enable   0 to disable discarding FCS field of received frames, else to enable it.
834         else  in gmac_enable_discard_fcs()
846  * \param uc_enable   0 to disable the received in half-duplex mode, else to enable it.
855         else  in gmac_enable_efrhd()
865  * \param uc_enable   0 to disable ignore RX FCS, else to enable it.
874         else  in gmac_enable_ignore_rx_fcs()