19 int atl1c_check_eeprom_exist(struct atl1c_hw *hw)  in atl1c_check_eeprom_exist()  argument
23 	AT_READ_REG(hw, REG_TWSI_DEBUG, &data);  in atl1c_check_eeprom_exist()
27 	AT_READ_REG(hw, REG_MASTER_CTRL, &data);  in atl1c_check_eeprom_exist()
33 void atl1c_hw_set_mac_addr(struct atl1c_hw *hw, u8 *mac_addr)  in atl1c_hw_set_mac_addr()  argument
45 	AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);  in atl1c_hw_set_mac_addr()
49 	AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);  in atl1c_hw_set_mac_addr()
53 static bool atl1c_read_current_addr(struct atl1c_hw *hw, u8 *eth_addr)  in atl1c_read_current_addr()  argument
57 	AT_READ_REG(hw, REG_MAC_STA_ADDR, &addr[0]);  in atl1c_read_current_addr()
58 	AT_READ_REG(hw, REG_MAC_STA_ADDR + 4, &addr[1]);  in atl1c_read_current_addr()
70 static int atl1c_get_permanent_address(struct atl1c_hw *hw)  in atl1c_get_permanent_address()  argument
79 	if (atl1c_read_current_addr(hw, hw->perm_mac_addr))  in atl1c_get_permanent_address()
83 	AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data);  in atl1c_get_permanent_address()
84 	if (atl1c_check_eeprom_exist(hw)) {  in atl1c_get_permanent_address()
85 		if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) {  in atl1c_get_permanent_address()
89 				AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);  in atl1c_get_permanent_address()
90 				AT_WRITE_FLUSH(hw);  in atl1c_get_permanent_address()
95 		if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) {  in atl1c_get_permanent_address()
96 			atl1c_read_phy_dbg(hw, MIIDBG_ANACTRL, &phy_data);  in atl1c_get_permanent_address()
98 			atl1c_write_phy_dbg(hw, MIIDBG_ANACTRL, phy_data);  in atl1c_get_permanent_address()
99 			atl1c_read_phy_dbg(hw, MIIDBG_VOLT_CTRL, &phy_data);  in atl1c_get_permanent_address()
101 			atl1c_write_phy_dbg(hw, MIIDBG_VOLT_CTRL, phy_data);  in atl1c_get_permanent_address()
106 		AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data);  in atl1c_get_permanent_address()
108 		AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data);  in atl1c_get_permanent_address()
111 			AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data);  in atl1c_get_permanent_address()
119 	if ((hw->nic_type == athr_l1c || hw->nic_type == athr_l2c)) {  in atl1c_get_permanent_address()
121 		AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);  in atl1c_get_permanent_address()
125 		atl1c_read_phy_dbg(hw, MIIDBG_ANACTRL, &phy_data);  in atl1c_get_permanent_address()
127 		atl1c_write_phy_dbg(hw, MIIDBG_ANACTRL, phy_data);  in atl1c_get_permanent_address()
128 		atl1c_read_phy_dbg(hw, MIIDBG_VOLT_CTRL, &phy_data);  in atl1c_get_permanent_address()
130 		atl1c_write_phy_dbg(hw, MIIDBG_VOLT_CTRL, phy_data);  in atl1c_get_permanent_address()
134 	if (atl1c_read_current_addr(hw, hw->perm_mac_addr))  in atl1c_get_permanent_address()
140 bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value)  in atl1c_read_eeprom()  argument
151 	AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data);  in atl1c_read_eeprom()
153 		AT_WRITE_REG(hw, REG_OTP_CTRL,  in atl1c_read_eeprom()
156 	AT_WRITE_REG(hw, REG_EEPROM_DATA_LO, 0);  in atl1c_read_eeprom()
158 	AT_WRITE_REG(hw, REG_EEPROM_CTRL, control);  in atl1c_read_eeprom()
162 		AT_READ_REG(hw, REG_EEPROM_CTRL, &control);  in atl1c_read_eeprom()
167 		AT_READ_REG(hw, REG_EEPROM_CTRL, &data);  in atl1c_read_eeprom()
168 		AT_READ_REG(hw, REG_EEPROM_DATA_LO, p_value);  in atl1c_read_eeprom()
174 		AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);  in atl1c_read_eeprom()
181  * hw - Struct containing variables accessed by shared code
183 int atl1c_read_mac_addr(struct atl1c_hw *hw)  in atl1c_read_mac_addr()  argument
187 	err = atl1c_get_permanent_address(hw);  in atl1c_read_mac_addr()
189 		eth_random_addr(hw->perm_mac_addr);  in atl1c_read_mac_addr()
191 	memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr));  in atl1c_read_mac_addr()
203 u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr)  in atl1c_hash_mc_addr()  argument
218  * hw - Struct containing variables accessed by shared code
221 void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value)  in atl1c_hash_set()  argument
238 	mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg);  in atl1c_hash_set()
242 	AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta);  in atl1c_hash_set()
250 bool atl1c_wait_mdio_idle(struct atl1c_hw *hw)  in atl1c_wait_mdio_idle()  argument
256 		AT_READ_REG(hw, REG_MDIO_CTRL, &val);  in atl1c_wait_mdio_idle()
265 void atl1c_stop_phy_polling(struct atl1c_hw *hw)  in atl1c_stop_phy_polling()  argument
267 	if (!(hw->ctrl_flags & ATL1C_FPGA_VERSION))  in atl1c_stop_phy_polling()
270 	AT_WRITE_REG(hw, REG_MDIO_CTRL, 0);  in atl1c_stop_phy_polling()
271 	atl1c_wait_mdio_idle(hw);  in atl1c_stop_phy_polling()
274 void atl1c_start_phy_polling(struct atl1c_hw *hw, u16 clk_sel)  in atl1c_start_phy_polling()  argument
278 	if (!(hw->ctrl_flags & ATL1C_FPGA_VERSION))  in atl1c_start_phy_polling()
286 	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);  in atl1c_start_phy_polling()
287 	atl1c_wait_mdio_idle(hw);  in atl1c_start_phy_polling()
290 	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);  in atl1c_start_phy_polling()
302 int atl1c_read_phy_core(struct atl1c_hw *hw, bool ext, u8 dev,  in atl1c_read_phy_core()  argument
308 	atl1c_stop_phy_polling(hw);  in atl1c_read_phy_core()
313 	if ((hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) &&  in atl1c_read_phy_core()
314 		hw->hibernate)  in atl1c_read_phy_core()
318 		AT_WRITE_REG(hw, REG_MDIO_EXTN, val);  in atl1c_read_phy_core()
331 	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);  in atl1c_read_phy_core()
333 	if (!atl1c_wait_mdio_idle(hw))  in atl1c_read_phy_core()
336 	AT_READ_REG(hw, REG_MDIO_CTRL, &val);  in atl1c_read_phy_core()
339 	atl1c_start_phy_polling(hw, clk_sel);  in atl1c_read_phy_core()
351 int atl1c_write_phy_core(struct atl1c_hw *hw, bool ext, u8 dev,  in atl1c_write_phy_core()  argument
357 	atl1c_stop_phy_polling(hw);  in atl1c_write_phy_core()
361 	if ((hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) &&  in atl1c_write_phy_core()
362 		hw->hibernate)  in atl1c_write_phy_core()
367 		AT_WRITE_REG(hw, REG_MDIO_EXTN, val);  in atl1c_write_phy_core()
380 	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);  in atl1c_write_phy_core()
382 	if (!atl1c_wait_mdio_idle(hw))  in atl1c_write_phy_core()
385 	atl1c_start_phy_polling(hw, clk_sel);  in atl1c_write_phy_core()
392  * hw - Struct containing variables accessed by shared code
395 int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data)  in atl1c_read_phy_reg()  argument
397 	return atl1c_read_phy_core(hw, false, 0, reg_addr, phy_data);  in atl1c_read_phy_reg()
402  * hw - Struct containing variables accessed by shared code
406 int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data)  in atl1c_write_phy_reg()  argument
408 	return atl1c_write_phy_core(hw, false, 0, reg_addr, phy_data);  in atl1c_write_phy_reg()
412 int atl1c_read_phy_ext(struct atl1c_hw *hw, u8 dev_addr,  in atl1c_read_phy_ext()  argument
415 	return atl1c_read_phy_core(hw, true, dev_addr, reg_addr, phy_data);  in atl1c_read_phy_ext()
419 int atl1c_write_phy_ext(struct atl1c_hw *hw, u8 dev_addr,  in atl1c_write_phy_ext()  argument
422 	return atl1c_write_phy_core(hw, true, dev_addr, reg_addr, phy_data);  in atl1c_write_phy_ext()
425 int atl1c_read_phy_dbg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data)  in atl1c_read_phy_dbg()  argument
429 	err = atl1c_write_phy_reg(hw, MII_DBG_ADDR, reg_addr);  in atl1c_read_phy_dbg()
433 		err = atl1c_read_phy_reg(hw, MII_DBG_DATA, phy_data);  in atl1c_read_phy_dbg()
438 int atl1c_write_phy_dbg(struct atl1c_hw *hw, u16 reg_addr, u16 phy_data)  in atl1c_write_phy_dbg()  argument
442 	err = atl1c_write_phy_reg(hw, MII_DBG_ADDR, reg_addr);  in atl1c_write_phy_dbg()
446 		err = atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data);  in atl1c_write_phy_dbg()
454  * hw - Struct containing variables accessed by shared code
456 static int atl1c_phy_setup_adv(struct atl1c_hw *hw)  in atl1c_phy_setup_adv()  argument
462 	if (hw->autoneg_advertised & ADVERTISED_10baseT_Half)  in atl1c_phy_setup_adv()
464 	if (hw->autoneg_advertised & ADVERTISED_10baseT_Full)  in atl1c_phy_setup_adv()
466 	if (hw->autoneg_advertised & ADVERTISED_100baseT_Half)  in atl1c_phy_setup_adv()
468 	if (hw->autoneg_advertised & ADVERTISED_100baseT_Full)  in atl1c_phy_setup_adv()
471 	if (hw->autoneg_advertised & ADVERTISED_Autoneg)  in atl1c_phy_setup_adv()
475 	if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) {  in atl1c_phy_setup_adv()
476 		if (hw->autoneg_advertised & ADVERTISED_1000baseT_Half)  in atl1c_phy_setup_adv()
478 		if (hw->autoneg_advertised & ADVERTISED_1000baseT_Full)  in atl1c_phy_setup_adv()
480 		if (hw->autoneg_advertised & ADVERTISED_Autoneg)  in atl1c_phy_setup_adv()
485 	if (atl1c_write_phy_reg(hw, MII_ADVERTISE, mii_adv_data) != 0 ||  in atl1c_phy_setup_adv()
486 	    atl1c_write_phy_reg(hw, MII_CTRL1000, mii_giga_ctrl_data) != 0)  in atl1c_phy_setup_adv()
491 void atl1c_phy_disable(struct atl1c_hw *hw)  in atl1c_phy_disable()  argument
493 	atl1c_power_saving(hw, 0);  in atl1c_phy_disable()
497 int atl1c_phy_reset(struct atl1c_hw *hw)  in atl1c_phy_reset()  argument
499 	struct atl1c_adapter *adapter = hw->adapter;  in atl1c_phy_reset()
506 	AT_READ_REG(hw, REG_GPHY_CTRL, &phy_ctrl_data);  in atl1c_phy_reset()
510 	if (!(hw->ctrl_flags & ATL1C_HIB_DISABLE))  in atl1c_phy_reset()
514 	AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data);  in atl1c_phy_reset()
515 	AT_WRITE_FLUSH(hw);  in atl1c_phy_reset()
517 	AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data | GPHY_CTRL_EXT_RESET);  in atl1c_phy_reset()
518 	AT_WRITE_FLUSH(hw);  in atl1c_phy_reset()
522 	if (hw->nic_type == athr_l2c_b) {  in atl1c_phy_reset()
523 		atl1c_read_phy_dbg(hw, MIIDBG_CFGLPSPD, &phy_data);  in atl1c_phy_reset()
524 		atl1c_write_phy_dbg(hw, MIIDBG_CFGLPSPD,  in atl1c_phy_reset()
529 	if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) {  in atl1c_phy_reset()
530 		atl1c_read_phy_dbg(hw, MIIDBG_CABLE1TH_DET, &phy_data);  in atl1c_phy_reset()
532 		atl1c_write_phy_dbg(hw, MIIDBG_CABLE1TH_DET, phy_data);  in atl1c_phy_reset()
536 	if (!(hw->ctrl_flags & ATL1C_HIB_DISABLE)) {  in atl1c_phy_reset()
537 		if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) {  in atl1c_phy_reset()
538 			atl1c_read_phy_dbg(hw, MIIDBG_VOLT_CTRL, &phy_data);  in atl1c_phy_reset()
540 			atl1c_write_phy_dbg(hw, MIIDBG_VOLT_CTRL, phy_data);  in atl1c_phy_reset()
544 			hw->nic_type == athr_l1d || hw->nic_type == athr_l1d_2 ?  in atl1c_phy_reset()
546 		atl1c_write_phy_dbg(hw, MIIDBG_LEGCYPS, phy_data);  in atl1c_phy_reset()
548 		atl1c_write_phy_dbg(hw, MIIDBG_SYSMODCTRL,  in atl1c_phy_reset()
552 		atl1c_read_phy_dbg(hw, MIIDBG_LEGCYPS, &phy_data);  in atl1c_phy_reset()
553 		atl1c_write_phy_dbg(hw, MIIDBG_LEGCYPS,  in atl1c_phy_reset()
556 		atl1c_read_phy_dbg(hw, MIIDBG_HIBNEG, &phy_data);  in atl1c_phy_reset()
557 		atl1c_write_phy_dbg(hw, MIIDBG_HIBNEG,  in atl1c_phy_reset()
561 	if (hw->nic_type == athr_l1d || hw->nic_type == athr_l1d_2 ||  in atl1c_phy_reset()
562 	    hw->nic_type == athr_l2c_b2) {  in atl1c_phy_reset()
563 		AT_READ_REG(hw, REG_LPI_CTRL, &lpi_ctrl);  in atl1c_phy_reset()
564 		AT_WRITE_REG(hw, REG_LPI_CTRL, lpi_ctrl & ~LPI_CTRL_EN);  in atl1c_phy_reset()
565 		atl1c_write_phy_ext(hw, MIIEXT_ANEG, MIIEXT_LOCAL_EEEADV, 0);  in atl1c_phy_reset()
566 		atl1c_write_phy_ext(hw, MIIEXT_PCS, MIIEXT_CLDCTRL3,  in atl1c_phy_reset()
571 	atl1c_write_phy_dbg(hw, MIIDBG_ANACTRL, ANACTRL_DEF);  in atl1c_phy_reset()
572 	atl1c_write_phy_dbg(hw, MIIDBG_SRDSYSMOD, SRDSYSMOD_DEF);  in atl1c_phy_reset()
573 	atl1c_write_phy_dbg(hw, MIIDBG_TST10BTCFG, TST10BTCFG_DEF);  in atl1c_phy_reset()
575 	atl1c_write_phy_dbg(hw, MIIDBG_TST100BTCFG,  in atl1c_phy_reset()
580 	err = atl1c_write_phy_reg(hw, MII_IER, phy_data);  in atl1c_phy_reset()
590 int atl1c_phy_init(struct atl1c_hw *hw)  in atl1c_phy_init()  argument
592 	struct atl1c_adapter *adapter = hw->adapter;  in atl1c_phy_init()
597 	if (hw->nic_type == athr_mt) {  in atl1c_phy_init()
598 		hw->phy_configured = true;  in atl1c_phy_init()
602 	if ((atl1c_read_phy_reg(hw, MII_PHYSID1, &hw->phy_id1) != 0) ||  in atl1c_phy_init()
603 		(atl1c_read_phy_reg(hw, MII_PHYSID2, &hw->phy_id2) != 0)) {  in atl1c_phy_init()
607 	switch (hw->media_type) {  in atl1c_phy_init()
609 		ret_val = atl1c_phy_setup_adv(hw);  in atl1c_phy_init()
632 				hw->media_type);  in atl1c_phy_init()
636 	ret_val = atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data);  in atl1c_phy_init()
639 	hw->phy_configured = true;  in atl1c_phy_init()
644 bool atl1c_get_link_status(struct atl1c_hw *hw)  in atl1c_get_link_status()  argument
648 	if (hw->nic_type == athr_mt) {  in atl1c_get_link_status()
651 		AT_READ_REG(hw, REG_MT_SPEED, &spd);  in atl1c_get_link_status()
656 	atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);  in atl1c_get_link_status()
657 	atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);  in atl1c_get_link_status()
664  * hw - Struct containing variables accessed by shared code
668 int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex)  in atl1c_get_speed_and_duplex()  argument
673 	if (hw->nic_type == athr_mt) {  in atl1c_get_speed_and_duplex()
676 		AT_READ_REG(hw, REG_MT_SPEED, &spd);  in atl1c_get_speed_and_duplex()
683 	err = atl1c_read_phy_reg(hw, MII_GIGA_PSSR, &phy_data);  in atl1c_get_speed_and_duplex()
713 int atl1c_phy_to_ps_link(struct atl1c_hw *hw)  in atl1c_phy_to_ps_link()  argument
715 	struct atl1c_adapter *adapter = hw->adapter;  in atl1c_phy_to_ps_link()
725 	if (atl1c_get_link_status(hw)) {  in atl1c_phy_to_ps_link()
726 		atl1c_read_phy_reg(hw, MII_LPA, &mii_lpa_data);  in atl1c_phy_to_ps_link()
736 		save_autoneg_advertised = hw->autoneg_advertised;  in atl1c_phy_to_ps_link()
737 		hw->phy_configured = false;  in atl1c_phy_to_ps_link()
738 		hw->autoneg_advertised = autoneg_advertised;  in atl1c_phy_to_ps_link()
739 		if (atl1c_restart_autoneg(hw) != 0) {  in atl1c_phy_to_ps_link()
743 		hw->autoneg_advertised = save_autoneg_advertised;  in atl1c_phy_to_ps_link()
748 				if (atl1c_get_link_status(hw)) {  in atl1c_phy_to_ps_link()
749 					if (atl1c_get_speed_and_duplex(hw, &speed,  in atl1c_phy_to_ps_link()
767 int atl1c_restart_autoneg(struct atl1c_hw *hw)  in atl1c_restart_autoneg()  argument
772 	err = atl1c_phy_setup_adv(hw);  in atl1c_restart_autoneg()
777 	return atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data);  in atl1c_restart_autoneg()
780 int atl1c_power_saving(struct atl1c_hw *hw, u32 wufc)  in atl1c_power_saving()  argument
782 	struct atl1c_adapter *adapter = hw->adapter;  in atl1c_power_saving()
792 	AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl);  in atl1c_power_saving()
793 	AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl);  in atl1c_power_saving()
794 	AT_READ_REG(hw, REG_GPHY_CTRL, &phy_ctrl);  in atl1c_power_saving()
807 		AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl);  in atl1c_power_saving()
808 		AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl);  in atl1c_power_saving()
809 		AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl);  in atl1c_power_saving()
810 		AT_WRITE_REG(hw, REG_WOL_CTRL, 0);  in atl1c_power_saving()
811 		hw->phy_configured = false; /* re-init PHY when resume */  in atl1c_power_saving()
818 		if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V11)  in atl1c_power_saving()
823 		if (atl1c_write_phy_reg(hw, MII_IER, IER_LINK_UP) != 0) {  in atl1c_power_saving()
829 	atl1c_read_phy_reg(hw, MII_ISR, &phy_data);  in atl1c_power_saving()
833 	AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl);  in atl1c_power_saving()
834 	AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl);  in atl1c_power_saving()
835 	AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl);  in atl1c_power_saving()
836 	AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl);  in atl1c_power_saving()
843 void atl1c_post_phy_linkchg(struct atl1c_hw *hw, u16 link_speed)  in atl1c_post_phy_linkchg()  argument
848 	if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2 ||  in atl1c_post_phy_linkchg()
849 	    hw->nic_type == athr_l1d || hw->nic_type == athr_l1d_2)  in atl1c_post_phy_linkchg()
854 		if (hw->nic_type == athr_l1d_2) {  in atl1c_post_phy_linkchg()
855 			atl1c_read_phy_ext(hw, MIIEXT_PCS, MIIEXT_CLDCTRL6,  in atl1c_post_phy_linkchg()
860 			atl1c_write_phy_dbg(hw, MIIDBG_AZ_ANADECT, phy_val);  in atl1c_post_phy_linkchg()
863 		if (adj_thresh && link_speed == SPEED_100 && hw->msi_lnkpatch) {  in atl1c_post_phy_linkchg()
864 			atl1c_write_phy_dbg(hw, MIIDBG_MSE16DB, L1D_MSE16DB_UP);  in atl1c_post_phy_linkchg()
865 			atl1c_write_phy_dbg(hw, MIIDBG_SYSMODCTRL,  in atl1c_post_phy_linkchg()
869 		if (adj_thresh && hw->msi_lnkpatch) {  in atl1c_post_phy_linkchg()
870 			atl1c_write_phy_dbg(hw, MIIDBG_SYSMODCTRL,  in atl1c_post_phy_linkchg()
872 			atl1c_write_phy_dbg(hw, MIIDBG_MSE16DB,  in atl1c_post_phy_linkchg()