728 	 *    COMPHY bit rate  in comphy_sgmii_power_up()
742 		printf("Unsupported COMPHY speed!\n");  in comphy_sgmii_power_up()
752 	/* 9. Program COMPHY register PHY_MODE */  in comphy_sgmii_power_up()
757 	 * 10. Set COMPHY register REFCLK_SEL to select the correct REFCLK  in comphy_sgmii_power_up()
763 	 * 11. Set correct reference clock frequency in COMPHY register  in comphy_sgmii_power_up()
775 	/* 12. Program COMPHY register PHY_GEN_MAX[1:0] */  in comphy_sgmii_power_up()
784 	 * 13. Program COMPHY register SEL_BITS to set correct parallel data  in comphy_sgmii_power_up()
792 	 *     COMPHY register DFE_UPDATE_EN[5:0] shall be programmed to 0x3F  in comphy_sgmii_power_up()
793 	 *     for real chip during COMPHY power on.  in comphy_sgmii_power_up()
802 	 * 15. Program COMPHY GEN registers.  in comphy_sgmii_power_up()
819 	 *     (R02h[9]) to 1 to shorten COMPHY simulation time.  in comphy_sgmii_power_up()
823 	 *     Program COMPHY register FAST_DFE_TIMER_EN=1 to shorten RX  in comphy_sgmii_power_up()
858 	 * 21. Set COMPHY input port PIN_TX_IDLE=0  in comphy_sgmii_power_up()
866 	 *     will be set to 1 by COMPHY. Set PIN_RX_INIT=0 after  in comphy_sgmii_power_up()