1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
36  * driver for the Marvell 88E1000 series external 1000/100/10-BT PHY.
41  * 1000baseSX PHY.
43  * Jung-uk Kim <jkim@niksun.com>
140 	    (sc->mii_flags & MIIF_MACPRIV0) != 0)  in e1000phy_attach()
141 		sc->mii_flags |= MIIF_PHYPRIV0;  in e1000phy_attach()
143 	switch (sc->mii_mpd_model) {  in e1000phy_attach()
147 			sc->mii_flags |= MIIF_HAVEFIBER;  in e1000phy_attach()
152 		 * Some 88E1149 PHY's page select is initialized to  in e1000phy_attach()
155 		 * accessed during PHY operation. It is believed that  in e1000phy_attach()
156 		 * page 0 should be used for copper PHY so reinitialize  in e1000phy_attach()
157 		 * E1000_EADR to select default copper PHY. If parent  in e1000phy_attach()
158 		 * device know the type of PHY(either copper or fiber),  in e1000phy_attach()
160 		 * type of PHY.  in e1000phy_attach()
168 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;  in e1000phy_attach()
169 	if (sc->mii_capabilities & BMSR_EXTSTAT) {  in e1000phy_attach()
170 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);  in e1000phy_attach()
171 		if ((sc->mii_extcapabilities &  in e1000phy_attach()
173 			sc->mii_flags |= MIIF_HAVE_GTCR;  in e1000phy_attach()
179 	MIIBUS_MEDIAINIT(sc->mii_dev);  in e1000phy_attach()
189 	if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) {  in e1000phy_reset()
192 		if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1112) {  in e1000phy_reset()
193 			/* Select 1000BASE-X only mode. */  in e1000phy_reset()
200 			if ((sc->mii_flags & MIIF_PHYPRIV0) != 0) {  in e1000phy_reset()
210 		switch (sc->mii_mpd_model) {  in e1000phy_reset()
222 			if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116 ||  in e1000phy_reset()
223 			    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116R_29)  in e1000phy_reset()
244 		if (sc->mii_mpd_model != MII_MODEL_xxMARVELL_E3016) {  in e1000phy_reset()
250 		if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116 ||  in e1000phy_reset()
251 		    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116R_29 ||  in e1000phy_reset()
252 		    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149 ||  in e1000phy_reset()
253 		    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149R) {  in e1000phy_reset()
262 	switch (sc->mii_mpd_model) {  in e1000phy_reset()
283 		/* LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED. */  in e1000phy_reset()
290 		/* Force TX_CLK to 25MHz clock. */  in e1000phy_reset()
297 	/* Reset the PHY so all changes take effect. */  in e1000phy_reset()
306 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;  in e1000phy_service()
315 		if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) {  in e1000phy_service()
316 			e1000phy_mii_phy_auto(sc, ife->ifm_media);  in e1000phy_service()
321 		switch (IFM_SUBTYPE(ife->ifm_media)) {  in e1000phy_service()
323 			if ((sc->mii_flags & MIIF_HAVE_GTCR) == 0)  in e1000phy_service()
328 			if ((sc->mii_extcapabilities &  in e1000phy_service()
348 		if ((ife->ifm_media & IFM_FDX) != 0) {  in e1000phy_service()
358 		if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {  in e1000phy_service()
360 			if ((ife->ifm_media & IFM_ETH_MASTER) != 0)  in e1000phy_service()
362 		} else if ((sc->mii_flags & MIIF_HAVE_GTCR) != 0)  in e1000phy_service()
373 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {  in e1000phy_service()
374 			sc->mii_ticks = 0;  in e1000phy_service()
380 		 * Read the status register twice; BMSR_LINK is latch-low.  in e1000phy_service()
384 			sc->mii_ticks = 0;  in e1000phy_service()
389 		if (sc->mii_ticks++ == 0)  in e1000phy_service()
391 		if (sc->mii_ticks <= sc->mii_anegticks)  in e1000phy_service()
394 		sc->mii_ticks = 0;  in e1000phy_service()
396 		e1000phy_mii_phy_auto(sc, ife->ifm_media);  in e1000phy_service()
411 	struct mii_data *mii = sc->mii_pdata;  in e1000phy_status()
414 	mii->mii_media_status = IFM_AVALID;  in e1000phy_status()
415 	mii->mii_media_active = IFM_ETHER;  in e1000phy_status()
422 		mii->mii_media_status |= IFM_ACTIVE;  in e1000phy_status()
425 		mii->mii_media_active |= IFM_LOOP;  in e1000phy_status()
430 		mii->mii_media_active |= IFM_NONE;  in e1000phy_status()
434 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {  in e1000phy_status()
437 			mii->mii_media_active |= IFM_1000_T;  in e1000phy_status()
440 			mii->mii_media_active |= IFM_100_TX;  in e1000phy_status()
443 			mii->mii_media_active |= IFM_10_T;  in e1000phy_status()
446 			mii->mii_media_active |= IFM_NONE;  in e1000phy_status()
451 		 * Some fiber PHY(88E1112) does not seem to set resolved  in e1000phy_status()
454 		mii->mii_media_active |= IFM_1000_SX;  in e1000phy_status()
458 		mii->mii_media_active |= IFM_FDX;  in e1000phy_status()
459 		if ((sc->mii_flags & MIIF_HAVEFIBER) == 0)  in e1000phy_status()
460 			mii->mii_media_active |= mii_phy_flowstatus(sc);  in e1000phy_status()
462 		mii->mii_media_active |= IFM_HDX;  in e1000phy_status()
464 	if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) {  in e1000phy_status()
467 			mii->mii_media_active |= IFM_ETH_MASTER;  in e1000phy_status()
476 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {  in e1000phy_mii_phy_auto()
482 		    (sc->mii_flags & MIIF_FORCEPAUSE) != 0)  in e1000phy_mii_phy_auto()
487 	if ((sc->mii_flags & MIIF_HAVE_GTCR) != 0) {  in e1000phy_mii_phy_auto()
489 		if ((sc->mii_extcapabilities & EXTSR_1000TFDX) != 0)  in e1000phy_mii_phy_auto()
491 		if ((sc->mii_extcapabilities & EXTSR_1000THDX) != 0)  in e1000phy_mii_phy_auto()