313  * \param uc_enable   0 to disable GMAC receiver, else to enable it.
322         else  in gmac_enable_receive()
332  * \param uc_enable   0 to disable GMAC transmit, else to enable it.
341         else  in gmac_enable_transmit()
351  * \param uc_enable   0 to disable GMAC management, else to enable it.
360         else  in gmac_enable_management()
390  * \param uc_enable   0 to disable the statistics registers writing, else to enable it.
399         else  in gmac_enable_statistics_write()
409  * \param uc_enable   0 to disable the back pressure, else to enable it.
418         else  in gmac_enable_back_pressure()
478  * \param uc_enable   0 to normal operation, else to enable the store.
487         else  in gmac_store_rx_time_stamp()
506         else  in gmac_enable_pfc_pause_frame()
582         else  in gmac_set_speed()
592  * \param uc_enable   0 to disable the Full-Duplex mode, else to enable it.
601         else  in gmac_enable_full_duplex()
611  * \param uc_enable   0 to disable copying all valid frames, else to enable it.
620         else  in gmac_enable_copy_all()
630  * \param uc_enable   0 to disable the jumbo frames, else to enable it.
639         else  in gmac_enable_jumbo_frames()
649  * \param uc_enable   1 to disable the broadcast, else to enable it.
658         else  in gmac_disable_broadcast()
668  * \param uc_enable   0 to disable the multicast hash, else to enable it.
677         else  in gmac_enable_multicast_hash()
687  * \param uc_enable   0 to disable big frames else to enable it.
696         else  in gmac_enable_big_frame()
719         else if( ul_mck > GMAC_MCK_SPEED_160MHZ )  in gmac_set_mdc_clock()
723         else if( ul_mck > GMAC_MCK_SPEED_120MHZ )  in gmac_set_mdc_clock()
727         else if( ul_mck > GMAC_MCK_SPEED_80MHZ )  in gmac_set_mdc_clock()
731         else if( ul_mck > GMAC_MCK_SPEED_40MHZ )  in gmac_set_mdc_clock()
735         else if( ul_mck > GMAC_MCK_SPEED_20MHZ )  in gmac_set_mdc_clock()
739         else  in gmac_set_mdc_clock()
752  * \param uc_enable   0 to disable the GMAC receiver, else to enable it.
761         else  in gmac_enable_retry_test()
771  * \param uc_enable   0 to disable pause frame, else to enable it.
780         else  in gmac_enable_pause_frame()
802  * \param uc_enable   0 to disable receive length field checking, else to enable it.
811         else  in gmac_enable_rx_length_check()
821  * \param uc_enable   0 to disable discarding FCS field of received frames, else to enable it.
830         else  in gmac_enable_discard_fcs()
842  * \param uc_enable   0 to disable the received in half-duplex mode, else to enable it.
851         else  in gmac_enable_efrhd()
861  * \param uc_enable   0 to disable ignore RX FCS, else to enable it.
870         else  in gmac_enable_ignore_rx_fcs()