1 // SPDX-License-Identifier: GPL-2.0+
3 * Marvell 10G 88x3310 PHY driver
5 * Based upon the ID registers, this PHY appears to be a mixture of IPs
6 * from two different companies.
8 * There appears to be several different data paths through the PHY which
9 * are automatically managed by the PHY. The following has been determined
10 * via observation and experimentation for a setup using single-lane Serdes:
12 * SGMII PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for <= 1G)
13 * 10GBASE-KR PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for 10G)
14 * 10GBASE-KR PHYXS -- BASE-R PCS -- Fiber
16 * With XAUI, observation shows:
18 * XAUI PHYXS -- <appropriate PCS as above>
20 * and no switching of the host interface mode occurs.
22 * If both the fiber and copper ports are connected, the first to gain
23 * link takes priority and the other port is completely locked out.
25 #include <linux/ctype.h>
26 #include <linux/delay.h>
27 #include <linux/hwmon.h>
28 #include <linux/marvell_phy.h>
29 #include <linux/phy.h>
30 #include <linux/sfp.h>
32 #define MV_PHY_ALASKA_NBT_QUIRK_MASK 0xfffffffe
33 #define MV_PHY_ALASKA_NBT_QUIRK_REV (MARVELL_PHY_ID_88X3310 | 0xa)
36 MV_PMA_FW_VER0 = 0xc011,
37 MV_PMA_FW_VER1 = 0xc012,
38 MV_PMA_21X0_PORT_CTRL = 0xc04a,
39 MV_PMA_21X0_PORT_CTRL_SWRST = BIT(15),
40 MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK = 0x7,
41 MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII = 0x0,
42 MV_PMA_2180_PORT_CTRL_MACTYPE_DXGMII = 0x1,
43 MV_PMA_2180_PORT_CTRL_MACTYPE_QXGMII = 0x2,
44 MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER = 0x4,
45 MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN = 0x5,
46 MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6,
48 MV_PMA_BOOT_FATAL = BIT(0),
50 MV_PCS_BASE_T = 0x0000,
51 MV_PCS_BASE_R = 0x1000,
52 MV_PCS_1000BASEX = 0x2000,
54 MV_PCS_CSCR1 = 0x8000,
55 MV_PCS_CSCR1_ED_MASK = 0x0300,
56 MV_PCS_CSCR1_ED_OFF = 0x0000,
57 MV_PCS_CSCR1_ED_RX = 0x0200,
58 MV_PCS_CSCR1_ED_NLP = 0x0300,
59 MV_PCS_CSCR1_MDIX_MASK = 0x0060,
60 MV_PCS_CSCR1_MDIX_MDI = 0x0000,
61 MV_PCS_CSCR1_MDIX_MDIX = 0x0020,
62 MV_PCS_CSCR1_MDIX_AUTO = 0x0060,
64 MV_PCS_CSSR1 = 0x8008,
65 MV_PCS_CSSR1_SPD1_MASK = 0xc000,
66 MV_PCS_CSSR1_SPD1_SPD2 = 0xc000,
67 MV_PCS_CSSR1_SPD1_1000 = 0x8000,
68 MV_PCS_CSSR1_SPD1_100 = 0x4000,
69 MV_PCS_CSSR1_SPD1_10 = 0x0000,
70 MV_PCS_CSSR1_DUPLEX_FULL= BIT(13),
71 MV_PCS_CSSR1_RESOLVED = BIT(11),
72 MV_PCS_CSSR1_MDIX = BIT(6),
73 MV_PCS_CSSR1_SPD2_MASK = 0x000c,
74 MV_PCS_CSSR1_SPD2_5000 = 0x0008,
75 MV_PCS_CSSR1_SPD2_2500 = 0x0004,
76 MV_PCS_CSSR1_SPD2_10000 = 0x0000,
78 /* Temperature read register (88E2110 only) */
81 /* These registers appear at 0x800X and 0xa00X - the 0xa00X control
82 * registers appear to set themselves to the 0x800X when AN is
83 * restarted, but status registers appear readable from either.
85 MV_AN_CTRL1000 = 0x8000, /* 1000base-T control register */
86 MV_AN_STAT1000 = 0x8001, /* 1000base-T status register */
88 /* Vendor2 MMD registers */
89 MV_V2_PORT_CTRL = 0xf001,
90 MV_V2_PORT_CTRL_PWRDOWN = BIT(11),
91 MV_V2_33X0_PORT_CTRL_SWRST = BIT(15),
92 MV_V2_33X0_PORT_CTRL_MACTYPE_MASK = 0x7,
93 MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI = 0x0,
94 MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH = 0x1,
95 MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN = 0x1,
96 MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH = 0x2,
97 MV_V2_3310_PORT_CTRL_MACTYPE_XAUI = 0x3,
98 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER = 0x4,
99 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN = 0x5,
100 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6,
101 MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII = 0x7,
102 /* Temperature control/read registers (88X3310 only) */
103 MV_V2_TEMP_CTRL = 0xf08a,
104 MV_V2_TEMP_CTRL_MASK = 0xc000,
105 MV_V2_TEMP_CTRL_SAMPLE = 0x0000,
106 MV_V2_TEMP_CTRL_DISABLE = 0xc000,
108 MV_V2_TEMP_UNKNOWN = 0x9600, /* unknown function */
112 void (*init_supported_interfaces)(unsigned long *mask);
113 int (*get_mactype)(struct phy_device *phydev);
114 int (*init_interface)(struct phy_device *phydev, int mactype);
117 int (*hwmon_read_temp_reg)(struct phy_device *phydev);
122 DECLARE_BITMAP(supported_interfaces, PHY_INTERFACE_MODE_MAX);
126 phy_interface_t const_interface;
128 struct device *hwmon_dev;
132 static const struct mv3310_chip *to_mv3310_chip(struct phy_device *phydev)
134 return phydev->drv->driver_data;
138 static umode_t mv3310_hwmon_is_visible(const void *data,
139 enum hwmon_sensor_types type,
140 u32 attr, int channel)
142 if (type == hwmon_chip && attr == hwmon_chip_update_interval)
144 if (type == hwmon_temp && attr == hwmon_temp_input)
149 static int mv3310_hwmon_read_temp_reg(struct phy_device *phydev)
151 return phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP);
154 static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev)
156 return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP);
159 static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
160 u32 attr, int channel, long *value)
162 struct phy_device *phydev = dev_get_drvdata(dev);
163 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
166 if (type == hwmon_chip && attr == hwmon_chip_update_interval) {
167 *value = MSEC_PER_SEC;
171 if (type == hwmon_temp && attr == hwmon_temp_input) {
172 temp = chip->hwmon_read_temp_reg(phydev);
176 *value = ((temp & 0xff) - 75) * 1000;
184 static const struct hwmon_ops mv3310_hwmon_ops = {
185 .is_visible = mv3310_hwmon_is_visible,
186 .read = mv3310_hwmon_read,
189 static u32 mv3310_hwmon_chip_config[] = {
190 HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL,
194 static const struct hwmon_channel_info mv3310_hwmon_chip = {
196 .config = mv3310_hwmon_chip_config,
199 static u32 mv3310_hwmon_temp_config[] = {
204 static const struct hwmon_channel_info mv3310_hwmon_temp = {
206 .config = mv3310_hwmon_temp_config,
209 static const struct hwmon_channel_info *mv3310_hwmon_info[] = {
215 static const struct hwmon_chip_info mv3310_hwmon_chip_info = {
216 .ops = &mv3310_hwmon_ops,
217 .info = mv3310_hwmon_info,
220 static int mv3310_hwmon_config(struct phy_device *phydev, bool enable)
225 if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310)
228 ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP,
233 val = enable ? MV_V2_TEMP_CTRL_SAMPLE : MV_V2_TEMP_CTRL_DISABLE;
235 return phy_modify_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP_CTRL,
236 MV_V2_TEMP_CTRL_MASK, val);
239 static int mv3310_hwmon_probe(struct phy_device *phydev)
241 struct device *dev = &phydev->mdio.dev;
242 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
245 priv->hwmon_name = devm_kstrdup(dev, dev_name(dev), GFP_KERNEL);
246 if (!priv->hwmon_name)
249 for (i = j = 0; priv->hwmon_name[i]; i++) {
250 if (isalnum(priv->hwmon_name[i])) {
252 priv->hwmon_name[j] = priv->hwmon_name[i];
256 priv->hwmon_name[j] = '\0';
258 ret = mv3310_hwmon_config(phydev, true);
262 priv->hwmon_dev = devm_hwmon_device_register_with_info(dev,
263 priv->hwmon_name, phydev,
264 &mv3310_hwmon_chip_info, NULL);
266 return PTR_ERR_OR_ZERO(priv->hwmon_dev);
269 static inline int mv3310_hwmon_config(struct phy_device *phydev, bool enable)
274 static int mv3310_hwmon_probe(struct phy_device *phydev)
280 static int mv3310_power_down(struct phy_device *phydev)
282 return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
283 MV_V2_PORT_CTRL_PWRDOWN);
286 static int mv3310_power_up(struct phy_device *phydev)
288 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
291 ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
292 MV_V2_PORT_CTRL_PWRDOWN);
294 if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310 ||
295 priv->firmware_ver < 0x00030000)
298 return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
299 MV_V2_33X0_PORT_CTRL_SWRST);
302 static int mv3310_reset(struct phy_device *phydev, u32 unit)
306 err = phy_modify_mmd(phydev, MDIO_MMD_PCS, unit + MDIO_CTRL1,
307 MDIO_CTRL1_RESET, MDIO_CTRL1_RESET);
311 return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PCS,
312 unit + MDIO_CTRL1, val,
313 !(val & MDIO_CTRL1_RESET),
317 static int mv3310_get_edpd(struct phy_device *phydev, u16 *edpd)
321 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1);
325 switch (val & MV_PCS_CSCR1_ED_MASK) {
326 case MV_PCS_CSCR1_ED_NLP:
329 case MV_PCS_CSCR1_ED_RX:
330 *edpd = ETHTOOL_PHY_EDPD_NO_TX;
333 *edpd = ETHTOOL_PHY_EDPD_DISABLE;
339 static int mv3310_set_edpd(struct phy_device *phydev, u16 edpd)
346 case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS:
347 val = MV_PCS_CSCR1_ED_NLP;
350 case ETHTOOL_PHY_EDPD_NO_TX:
351 val = MV_PCS_CSCR1_ED_RX;
354 case ETHTOOL_PHY_EDPD_DISABLE:
355 val = MV_PCS_CSCR1_ED_OFF;
362 err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1,
363 MV_PCS_CSCR1_ED_MASK, val);
365 err = mv3310_reset(phydev, MV_PCS_BASE_T);
370 static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
372 struct phy_device *phydev = upstream;
373 __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
374 phy_interface_t iface;
376 sfp_parse_support(phydev->sfp_bus, id, support);
377 iface = sfp_select_interface(phydev->sfp_bus, support);
379 if (iface != PHY_INTERFACE_MODE_10GBASER) {
380 dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
386 static const struct sfp_upstream_ops mv3310_sfp_ops = {
387 .attach = phy_sfp_attach,
388 .detach = phy_sfp_detach,
389 .module_insert = mv3310_sfp_insert,
392 static int mv3310_probe(struct phy_device *phydev)
394 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
395 struct mv3310_priv *priv;
396 u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN;
399 if (!phydev->is_c45 ||
400 (phydev->c45_ids.devices_in_package & mmd_mask) != mmd_mask)
403 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_BOOT);
407 if (ret & MV_PMA_BOOT_FATAL) {
408 dev_warn(&phydev->mdio.dev,
409 "PHY failed to boot firmware, status=%04x\n", ret);
413 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
417 dev_set_drvdata(&phydev->mdio.dev, priv);
419 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER0);
423 priv->firmware_ver = ret << 16;
425 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER1);
429 priv->firmware_ver |= ret;
431 phydev_info(phydev, "Firmware version %u.%u.%u.%u\n",
432 priv->firmware_ver >> 24, (priv->firmware_ver >> 16) & 255,
433 (priv->firmware_ver >> 8) & 255, priv->firmware_ver & 255);
435 /* Powering down the port when not in use saves about 600mW */
436 ret = mv3310_power_down(phydev);
440 ret = mv3310_hwmon_probe(phydev);
444 chip->init_supported_interfaces(priv->supported_interfaces);
446 return phy_sfp_probe(phydev, &mv3310_sfp_ops);
449 static void mv3310_remove(struct phy_device *phydev)
451 mv3310_hwmon_config(phydev, false);
454 static int mv3310_suspend(struct phy_device *phydev)
456 return mv3310_power_down(phydev);
459 static int mv3310_resume(struct phy_device *phydev)
463 ret = mv3310_power_up(phydev);
467 return mv3310_hwmon_config(phydev, true);
470 /* Some PHYs in the Alaska family such as the 88X3310 and the 88E2010
471 * don't set bit 14 in PMA Extended Abilities (1.11), although they do
472 * support 2.5GBASET and 5GBASET. For these models, we can still read their
473 * 2.5G/5G extended abilities register (1.21). We detect these models based on
474 * the PMA device identifier, with a mask matching models known to have this
477 static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev)
479 if (!(phydev->c45_ids.devices_in_package & MDIO_DEVS_PMAPMD))
482 /* Only some revisions of the 88X3310 family PMA seem to be impacted */
483 return (phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
484 MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV;
487 static int mv2110_get_mactype(struct phy_device *phydev)
491 mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL);
495 return mactype & MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK;
498 static int mv3310_get_mactype(struct phy_device *phydev)
502 mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL);
506 return mactype & MV_V2_33X0_PORT_CTRL_MACTYPE_MASK;
509 static int mv2110_init_interface(struct phy_device *phydev, int mactype)
511 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
513 priv->rate_match = false;
515 if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH)
516 priv->rate_match = true;
518 if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII)
519 priv->const_interface = PHY_INTERFACE_MODE_USXGMII;
520 else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH)
521 priv->const_interface = PHY_INTERFACE_MODE_10GBASER;
522 else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER ||
523 mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN)
524 priv->const_interface = PHY_INTERFACE_MODE_NA;
531 static int mv3310_init_interface(struct phy_device *phydev, int mactype)
533 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
535 priv->rate_match = false;
537 if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH ||
538 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH ||
539 mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH)
540 priv->rate_match = true;
542 if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII)
543 priv->const_interface = PHY_INTERFACE_MODE_USXGMII;
544 else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH ||
545 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN ||
546 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER)
547 priv->const_interface = PHY_INTERFACE_MODE_10GBASER;
548 else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH ||
549 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI)
550 priv->const_interface = PHY_INTERFACE_MODE_RXAUI;
551 else if (mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH ||
552 mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI)
553 priv->const_interface = PHY_INTERFACE_MODE_XAUI;
560 static int mv3340_init_interface(struct phy_device *phydev, int mactype)
562 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
565 priv->rate_match = false;
567 if (mactype == MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN)
568 priv->const_interface = PHY_INTERFACE_MODE_RXAUI;
570 err = mv3310_init_interface(phydev, mactype);
575 static int mv3310_config_init(struct phy_device *phydev)
577 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
578 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
581 /* Check that the PHY interface type is compatible */
582 if (!test_bit(phydev->interface, priv->supported_interfaces))
585 phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
587 /* Power up so reset works */
588 err = mv3310_power_up(phydev);
592 mactype = chip->get_mactype(phydev);
596 err = chip->init_interface(phydev, mactype);
598 phydev_err(phydev, "MACTYPE configuration invalid\n");
602 /* Enable EDPD mode - saving 600mW */
603 return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS);
606 static int mv3310_get_features(struct phy_device *phydev)
610 ret = genphy_c45_pma_read_abilities(phydev);
614 if (mv3310_has_pma_ngbaset_quirk(phydev)) {
615 val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD,
616 MDIO_PMA_NG_EXTABLE);
620 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
622 val & MDIO_PMA_NG_EXTABLE_2_5GBT);
624 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
626 val & MDIO_PMA_NG_EXTABLE_5GBT);
632 static int mv3310_config_mdix(struct phy_device *phydev)
637 switch (phydev->mdix_ctrl) {
638 case ETH_TP_MDI_AUTO:
639 val = MV_PCS_CSCR1_MDIX_AUTO;
642 val = MV_PCS_CSCR1_MDIX_MDIX;
645 val = MV_PCS_CSCR1_MDIX_MDI;
651 err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1,
652 MV_PCS_CSCR1_MDIX_MASK, val);
654 err = mv3310_reset(phydev, MV_PCS_BASE_T);
659 static int mv3310_config_aneg(struct phy_device *phydev)
661 bool changed = false;
665 ret = mv3310_config_mdix(phydev);
669 if (phydev->autoneg == AUTONEG_DISABLE)
670 return genphy_c45_pma_setup_forced(phydev);
672 ret = genphy_c45_an_config_aneg(phydev);
678 /* Clause 45 has no standardized support for 1000BaseT, therefore
679 * use vendor registers for this mode.
681 reg = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);
682 ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MV_AN_CTRL1000,
683 ADVERTISE_1000FULL | ADVERTISE_1000HALF, reg);
689 return genphy_c45_check_and_restart_aneg(phydev, changed);
692 static int mv3310_aneg_done(struct phy_device *phydev)
696 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1);
700 if (val & MDIO_STAT1_LSTATUS)
703 return genphy_c45_aneg_done(phydev);
706 static void mv3310_update_interface(struct phy_device *phydev)
708 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
713 /* In all of the "* with Rate Matching" modes the PHY interface is fixed
714 * at 10Gb. The PHY adapts the rate to actual wire speed with help of
715 * internal 16KB buffer.
717 * In USXGMII mode the PHY interface mode is also fixed.
719 if (priv->rate_match ||
720 priv->const_interface == PHY_INTERFACE_MODE_USXGMII) {
721 phydev->interface = priv->const_interface;
725 /* The PHY automatically switches its serdes interface (and active PHYXS
726 * instance) between Cisco SGMII, 2500BaseX, 5GBase-R and 10GBase-R /
727 * xaui / rxaui modes according to the speed.
728 * Florian suggests setting phydev->interface to communicate this to the
729 * MAC. Only do this if we are already in one of the above modes.
731 switch (phydev->speed) {
733 phydev->interface = priv->const_interface;
736 phydev->interface = PHY_INTERFACE_MODE_5GBASER;
739 phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
744 phydev->interface = PHY_INTERFACE_MODE_SGMII;
751 /* 10GBASE-ER,LR,LRM,SR do not support autonegotiation. */
752 static int mv3310_read_status_10gbaser(struct phy_device *phydev)
755 phydev->speed = SPEED_10000;
756 phydev->duplex = DUPLEX_FULL;
757 phydev->port = PORT_FIBRE;
762 static int mv3310_read_status_copper(struct phy_device *phydev)
764 int cssr1, speed, val;
766 val = genphy_c45_read_link(phydev);
770 val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
774 cssr1 = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSSR1);
778 /* If the link settings are not resolved, mark the link down */
779 if (!(cssr1 & MV_PCS_CSSR1_RESOLVED)) {
784 /* Read the copper link settings */
785 speed = cssr1 & MV_PCS_CSSR1_SPD1_MASK;
786 if (speed == MV_PCS_CSSR1_SPD1_SPD2)
787 speed |= cssr1 & MV_PCS_CSSR1_SPD2_MASK;
790 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_10000:
791 phydev->speed = SPEED_10000;
794 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_5000:
795 phydev->speed = SPEED_5000;
798 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_2500:
799 phydev->speed = SPEED_2500;
802 case MV_PCS_CSSR1_SPD1_1000:
803 phydev->speed = SPEED_1000;
806 case MV_PCS_CSSR1_SPD1_100:
807 phydev->speed = SPEED_100;
810 case MV_PCS_CSSR1_SPD1_10:
811 phydev->speed = SPEED_10;
815 phydev->duplex = cssr1 & MV_PCS_CSSR1_DUPLEX_FULL ?
816 DUPLEX_FULL : DUPLEX_HALF;
817 phydev->port = PORT_TP;
818 phydev->mdix = cssr1 & MV_PCS_CSSR1_MDIX ?
819 ETH_TP_MDI_X : ETH_TP_MDI;
821 if (val & MDIO_AN_STAT1_COMPLETE) {
822 val = genphy_c45_read_lpa(phydev);
826 /* Read the link partner's 1G advertisement */
827 val = phy_read_mmd(phydev, MDIO_MMD_AN, MV_AN_STAT1000);
831 mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
833 /* Update the pause status */
834 phy_resolve_aneg_pause(phydev);
840 static int mv3310_read_status(struct phy_device *phydev)
844 phydev->speed = SPEED_UNKNOWN;
845 phydev->duplex = DUPLEX_UNKNOWN;
846 linkmode_zero(phydev->lp_advertising);
849 phydev->asym_pause = 0;
850 phydev->mdix = ETH_TP_MDI_INVALID;
852 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1);
856 if (val & MDIO_STAT1_LSTATUS)
857 err = mv3310_read_status_10gbaser(phydev);
859 err = mv3310_read_status_copper(phydev);
864 mv3310_update_interface(phydev);
869 static int mv3310_get_tunable(struct phy_device *phydev,
870 struct ethtool_tunable *tuna, void *data)
873 case ETHTOOL_PHY_EDPD:
874 return mv3310_get_edpd(phydev, data);
880 static int mv3310_set_tunable(struct phy_device *phydev,
881 struct ethtool_tunable *tuna, const void *data)
884 case ETHTOOL_PHY_EDPD:
885 return mv3310_set_edpd(phydev, *(u16 *)data);
891 static void mv3310_init_supported_interfaces(unsigned long *mask)
893 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
894 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
895 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
896 __set_bit(PHY_INTERFACE_MODE_XAUI, mask);
897 __set_bit(PHY_INTERFACE_MODE_RXAUI, mask);
898 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
899 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
902 static void mv3340_init_supported_interfaces(unsigned long *mask)
904 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
905 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
906 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
907 __set_bit(PHY_INTERFACE_MODE_RXAUI, mask);
908 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
909 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
912 static void mv2110_init_supported_interfaces(unsigned long *mask)
914 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
915 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
916 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
917 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
918 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
921 static void mv2111_init_supported_interfaces(unsigned long *mask)
923 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
924 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
925 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
926 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
929 static const struct mv3310_chip mv3310_type = {
930 .init_supported_interfaces = mv3310_init_supported_interfaces,
931 .get_mactype = mv3310_get_mactype,
932 .init_interface = mv3310_init_interface,
935 .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg,
939 static const struct mv3310_chip mv3340_type = {
940 .init_supported_interfaces = mv3340_init_supported_interfaces,
941 .get_mactype = mv3310_get_mactype,
942 .init_interface = mv3340_init_interface,
945 .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg,
949 static const struct mv3310_chip mv2110_type = {
950 .init_supported_interfaces = mv2110_init_supported_interfaces,
951 .get_mactype = mv2110_get_mactype,
952 .init_interface = mv2110_init_interface,
955 .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg,
959 static const struct mv3310_chip mv2111_type = {
960 .init_supported_interfaces = mv2111_init_supported_interfaces,
961 .get_mactype = mv2110_get_mactype,
962 .init_interface = mv2110_init_interface,
965 .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg,
969 static int mv211x_match_phy_device(struct phy_device *phydev, bool has_5g)
973 if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
974 MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88E2110)
977 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_SPEED);
981 return !!(val & MDIO_PCS_SPEED_5G) == has_5g;
984 static int mv2110_match_phy_device(struct phy_device *phydev)
986 return mv211x_match_phy_device(phydev, true);
989 static int mv2111_match_phy_device(struct phy_device *phydev)
991 return mv211x_match_phy_device(phydev, false);
994 static struct phy_driver mv3310_drivers[] = {
996 .phy_id = MARVELL_PHY_ID_88X3310,
997 .phy_id_mask = MARVELL_PHY_ID_88X33X0_MASK,
999 .driver_data = &mv3310_type,
1000 .get_features = mv3310_get_features,
1001 .config_init = mv3310_config_init,
1002 .probe = mv3310_probe,
1003 .suspend = mv3310_suspend,
1004 .resume = mv3310_resume,
1005 .config_aneg = mv3310_config_aneg,
1006 .aneg_done = mv3310_aneg_done,
1007 .read_status = mv3310_read_status,
1008 .get_tunable = mv3310_get_tunable,
1009 .set_tunable = mv3310_set_tunable,
1010 .remove = mv3310_remove,
1011 .set_loopback = genphy_c45_loopback,
1014 .phy_id = MARVELL_PHY_ID_88X3340,
1015 .phy_id_mask = MARVELL_PHY_ID_88X33X0_MASK,
1016 .name = "mv88x3340",
1017 .driver_data = &mv3340_type,
1018 .get_features = mv3310_get_features,
1019 .config_init = mv3310_config_init,
1020 .probe = mv3310_probe,
1021 .suspend = mv3310_suspend,
1022 .resume = mv3310_resume,
1023 .config_aneg = mv3310_config_aneg,
1024 .aneg_done = mv3310_aneg_done,
1025 .read_status = mv3310_read_status,
1026 .get_tunable = mv3310_get_tunable,
1027 .set_tunable = mv3310_set_tunable,
1028 .remove = mv3310_remove,
1029 .set_loopback = genphy_c45_loopback,
1032 .phy_id = MARVELL_PHY_ID_88E2110,
1033 .phy_id_mask = MARVELL_PHY_ID_MASK,
1034 .match_phy_device = mv2110_match_phy_device,
1035 .name = "mv88e2110",
1036 .driver_data = &mv2110_type,
1037 .probe = mv3310_probe,
1038 .suspend = mv3310_suspend,
1039 .resume = mv3310_resume,
1040 .config_init = mv3310_config_init,
1041 .config_aneg = mv3310_config_aneg,
1042 .aneg_done = mv3310_aneg_done,
1043 .read_status = mv3310_read_status,
1044 .get_tunable = mv3310_get_tunable,
1045 .set_tunable = mv3310_set_tunable,
1046 .remove = mv3310_remove,
1047 .set_loopback = genphy_c45_loopback,
1050 .phy_id = MARVELL_PHY_ID_88E2110,
1051 .phy_id_mask = MARVELL_PHY_ID_MASK,
1052 .match_phy_device = mv2111_match_phy_device,
1053 .name = "mv88e2111",
1054 .driver_data = &mv2111_type,
1055 .probe = mv3310_probe,
1056 .suspend = mv3310_suspend,
1057 .resume = mv3310_resume,
1058 .config_init = mv3310_config_init,
1059 .config_aneg = mv3310_config_aneg,
1060 .aneg_done = mv3310_aneg_done,
1061 .read_status = mv3310_read_status,
1062 .get_tunable = mv3310_get_tunable,
1063 .set_tunable = mv3310_set_tunable,
1064 .remove = mv3310_remove,
1065 .set_loopback = genphy_c45_loopback,
1069 module_phy_driver(mv3310_drivers);
1071 static struct mdio_device_id __maybe_unused mv3310_tbl[] = {
1072 { MARVELL_PHY_ID_88X3310, MARVELL_PHY_ID_88X33X0_MASK },
1073 { MARVELL_PHY_ID_88X3340, MARVELL_PHY_ID_88X33X0_MASK },
1074 { MARVELL_PHY_ID_88E2110, MARVELL_PHY_ID_MASK },
1077 MODULE_DEVICE_TABLE(mdio, mv3310_tbl);
1078 MODULE_DESCRIPTION("Marvell Alaska X/M multi-gigabit Ethernet PHY driver");
1079 MODULE_LICENSE("GPL");