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>
31 #include <linux/netdevice.h>
33 #define MV_PHY_ALASKA_NBT_QUIRK_MASK 0xfffffffe
34 #define MV_PHY_ALASKA_NBT_QUIRK_REV (MARVELL_PHY_ID_88X3310 | 0xa)
37 MV_PMA_FW_VER0 = 0xc011,
38 MV_PMA_FW_VER1 = 0xc012,
39 MV_PMA_21X0_PORT_CTRL = 0xc04a,
40 MV_PMA_21X0_PORT_CTRL_SWRST = BIT(15),
41 MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK = 0x7,
42 MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII = 0x0,
43 MV_PMA_2180_PORT_CTRL_MACTYPE_DXGMII = 0x1,
44 MV_PMA_2180_PORT_CTRL_MACTYPE_QXGMII = 0x2,
45 MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER = 0x4,
46 MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN = 0x5,
47 MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6,
49 MV_PMA_BOOT_FATAL = BIT(0),
51 MV_PCS_BASE_T = 0x0000,
52 MV_PCS_BASE_R = 0x1000,
53 MV_PCS_1000BASEX = 0x2000,
55 MV_PCS_CSCR1 = 0x8000,
56 MV_PCS_CSCR1_ED_MASK = 0x0300,
57 MV_PCS_CSCR1_ED_OFF = 0x0000,
58 MV_PCS_CSCR1_ED_RX = 0x0200,
59 MV_PCS_CSCR1_ED_NLP = 0x0300,
60 MV_PCS_CSCR1_MDIX_MASK = 0x0060,
61 MV_PCS_CSCR1_MDIX_MDI = 0x0000,
62 MV_PCS_CSCR1_MDIX_MDIX = 0x0020,
63 MV_PCS_CSCR1_MDIX_AUTO = 0x0060,
65 MV_PCS_CSSR1 = 0x8008,
66 MV_PCS_CSSR1_SPD1_MASK = 0xc000,
67 MV_PCS_CSSR1_SPD1_SPD2 = 0xc000,
68 MV_PCS_CSSR1_SPD1_1000 = 0x8000,
69 MV_PCS_CSSR1_SPD1_100 = 0x4000,
70 MV_PCS_CSSR1_SPD1_10 = 0x0000,
71 MV_PCS_CSSR1_DUPLEX_FULL= BIT(13),
72 MV_PCS_CSSR1_RESOLVED = BIT(11),
73 MV_PCS_CSSR1_MDIX = BIT(6),
74 MV_PCS_CSSR1_SPD2_MASK = 0x000c,
75 MV_PCS_CSSR1_SPD2_5000 = 0x0008,
76 MV_PCS_CSSR1_SPD2_2500 = 0x0004,
77 MV_PCS_CSSR1_SPD2_10000 = 0x0000,
79 /* Temperature read register (88E2110 only) */
82 /* Number of ports on the device */
83 MV_PCS_PORT_INFO = 0xd00d,
84 MV_PCS_PORT_INFO_NPORTS_MASK = 0x0380,
85 MV_PCS_PORT_INFO_NPORTS_SHIFT = 7,
87 /* These registers appear at 0x800X and 0xa00X - the 0xa00X control
88 * registers appear to set themselves to the 0x800X when AN is
89 * restarted, but status registers appear readable from either.
91 MV_AN_CTRL1000 = 0x8000, /* 1000base-T control register */
92 MV_AN_STAT1000 = 0x8001, /* 1000base-T status register */
94 /* Vendor2 MMD registers */
95 MV_V2_PORT_CTRL = 0xf001,
96 MV_V2_PORT_CTRL_PWRDOWN = BIT(11),
97 MV_V2_33X0_PORT_CTRL_SWRST = BIT(15),
98 MV_V2_33X0_PORT_CTRL_MACTYPE_MASK = 0x7,
99 MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI = 0x0,
100 MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH = 0x1,
101 MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN = 0x1,
102 MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH = 0x2,
103 MV_V2_3310_PORT_CTRL_MACTYPE_XAUI = 0x3,
104 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER = 0x4,
105 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN = 0x5,
106 MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6,
107 MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII = 0x7,
108 MV_V2_PORT_INTR_STS = 0xf040,
109 MV_V2_PORT_INTR_MASK = 0xf043,
110 MV_V2_PORT_INTR_STS_WOL_EN = BIT(8),
111 MV_V2_MAGIC_PKT_WORD0 = 0xf06b,
112 MV_V2_MAGIC_PKT_WORD1 = 0xf06c,
113 MV_V2_MAGIC_PKT_WORD2 = 0xf06d,
114 /* Wake on LAN registers */
115 MV_V2_WOL_CTRL = 0xf06e,
116 MV_V2_WOL_CTRL_CLEAR_STS = BIT(15),
117 MV_V2_WOL_CTRL_MAGIC_PKT_EN = BIT(0),
118 /* Temperature control/read registers (88X3310 only) */
119 MV_V2_TEMP_CTRL = 0xf08a,
120 MV_V2_TEMP_CTRL_MASK = 0xc000,
121 MV_V2_TEMP_CTRL_SAMPLE = 0x0000,
122 MV_V2_TEMP_CTRL_DISABLE = 0xc000,
124 MV_V2_TEMP_UNKNOWN = 0x9600, /* unknown function */
128 void (*init_supported_interfaces)(unsigned long *mask);
129 int (*get_mactype)(struct phy_device *phydev);
130 int (*init_interface)(struct phy_device *phydev, int mactype);
133 int (*hwmon_read_temp_reg)(struct phy_device *phydev);
138 DECLARE_BITMAP(supported_interfaces, PHY_INTERFACE_MODE_MAX);
142 phy_interface_t const_interface;
144 struct device *hwmon_dev;
148 static const struct mv3310_chip *to_mv3310_chip(struct phy_device *phydev)
150 return phydev->drv->driver_data;
154 static umode_t mv3310_hwmon_is_visible(const void *data,
155 enum hwmon_sensor_types type,
156 u32 attr, int channel)
158 if (type == hwmon_chip && attr == hwmon_chip_update_interval)
160 if (type == hwmon_temp && attr == hwmon_temp_input)
165 static int mv3310_hwmon_read_temp_reg(struct phy_device *phydev)
167 return phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP);
170 static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev)
172 return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP);
175 static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
176 u32 attr, int channel, long *value)
178 struct phy_device *phydev = dev_get_drvdata(dev);
179 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
182 if (type == hwmon_chip && attr == hwmon_chip_update_interval) {
183 *value = MSEC_PER_SEC;
187 if (type == hwmon_temp && attr == hwmon_temp_input) {
188 temp = chip->hwmon_read_temp_reg(phydev);
192 *value = ((temp & 0xff) - 75) * 1000;
200 static const struct hwmon_ops mv3310_hwmon_ops = {
201 .is_visible = mv3310_hwmon_is_visible,
202 .read = mv3310_hwmon_read,
205 static u32 mv3310_hwmon_chip_config[] = {
206 HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL,
210 static const struct hwmon_channel_info mv3310_hwmon_chip = {
212 .config = mv3310_hwmon_chip_config,
215 static u32 mv3310_hwmon_temp_config[] = {
220 static const struct hwmon_channel_info mv3310_hwmon_temp = {
222 .config = mv3310_hwmon_temp_config,
225 static const struct hwmon_channel_info *mv3310_hwmon_info[] = {
231 static const struct hwmon_chip_info mv3310_hwmon_chip_info = {
232 .ops = &mv3310_hwmon_ops,
233 .info = mv3310_hwmon_info,
236 static int mv3310_hwmon_config(struct phy_device *phydev, bool enable)
241 if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310)
244 ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP,
249 val = enable ? MV_V2_TEMP_CTRL_SAMPLE : MV_V2_TEMP_CTRL_DISABLE;
251 return phy_modify_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP_CTRL,
252 MV_V2_TEMP_CTRL_MASK, val);
255 static int mv3310_hwmon_probe(struct phy_device *phydev)
257 struct device *dev = &phydev->mdio.dev;
258 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
261 priv->hwmon_name = devm_kstrdup(dev, dev_name(dev), GFP_KERNEL);
262 if (!priv->hwmon_name)
265 for (i = j = 0; priv->hwmon_name[i]; i++) {
266 if (isalnum(priv->hwmon_name[i])) {
268 priv->hwmon_name[j] = priv->hwmon_name[i];
272 priv->hwmon_name[j] = '\0';
274 ret = mv3310_hwmon_config(phydev, true);
278 priv->hwmon_dev = devm_hwmon_device_register_with_info(dev,
279 priv->hwmon_name, phydev,
280 &mv3310_hwmon_chip_info, NULL);
282 return PTR_ERR_OR_ZERO(priv->hwmon_dev);
285 static inline int mv3310_hwmon_config(struct phy_device *phydev, bool enable)
290 static int mv3310_hwmon_probe(struct phy_device *phydev)
296 static int mv3310_power_down(struct phy_device *phydev)
298 return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
299 MV_V2_PORT_CTRL_PWRDOWN);
302 static int mv3310_power_up(struct phy_device *phydev)
304 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
307 ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
308 MV_V2_PORT_CTRL_PWRDOWN);
310 if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310 ||
311 priv->firmware_ver < 0x00030000)
314 return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
315 MV_V2_33X0_PORT_CTRL_SWRST);
318 static int mv3310_reset(struct phy_device *phydev, u32 unit)
322 err = phy_modify_mmd(phydev, MDIO_MMD_PCS, unit + MDIO_CTRL1,
323 MDIO_CTRL1_RESET, MDIO_CTRL1_RESET);
327 return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PCS,
328 unit + MDIO_CTRL1, val,
329 !(val & MDIO_CTRL1_RESET),
333 static int mv3310_get_edpd(struct phy_device *phydev, u16 *edpd)
337 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1);
341 switch (val & MV_PCS_CSCR1_ED_MASK) {
342 case MV_PCS_CSCR1_ED_NLP:
345 case MV_PCS_CSCR1_ED_RX:
346 *edpd = ETHTOOL_PHY_EDPD_NO_TX;
349 *edpd = ETHTOOL_PHY_EDPD_DISABLE;
355 static int mv3310_set_edpd(struct phy_device *phydev, u16 edpd)
362 case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS:
363 val = MV_PCS_CSCR1_ED_NLP;
366 case ETHTOOL_PHY_EDPD_NO_TX:
367 val = MV_PCS_CSCR1_ED_RX;
370 case ETHTOOL_PHY_EDPD_DISABLE:
371 val = MV_PCS_CSCR1_ED_OFF;
378 err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1,
379 MV_PCS_CSCR1_ED_MASK, val);
381 err = mv3310_reset(phydev, MV_PCS_BASE_T);
386 static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
388 struct phy_device *phydev = upstream;
389 __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
390 phy_interface_t iface;
392 sfp_parse_support(phydev->sfp_bus, id, support);
393 iface = sfp_select_interface(phydev->sfp_bus, support);
395 if (iface != PHY_INTERFACE_MODE_10GBASER) {
396 dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
402 static const struct sfp_upstream_ops mv3310_sfp_ops = {
403 .attach = phy_sfp_attach,
404 .detach = phy_sfp_detach,
405 .module_insert = mv3310_sfp_insert,
408 static int mv3310_probe(struct phy_device *phydev)
410 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
411 struct mv3310_priv *priv;
412 u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN;
415 if (!phydev->is_c45 ||
416 (phydev->c45_ids.devices_in_package & mmd_mask) != mmd_mask)
419 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_BOOT);
423 if (ret & MV_PMA_BOOT_FATAL) {
424 dev_warn(&phydev->mdio.dev,
425 "PHY failed to boot firmware, status=%04x\n", ret);
429 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
433 dev_set_drvdata(&phydev->mdio.dev, priv);
435 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER0);
439 priv->firmware_ver = ret << 16;
441 ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER1);
445 priv->firmware_ver |= ret;
447 phydev_info(phydev, "Firmware version %u.%u.%u.%u\n",
448 priv->firmware_ver >> 24, (priv->firmware_ver >> 16) & 255,
449 (priv->firmware_ver >> 8) & 255, priv->firmware_ver & 255);
451 /* Powering down the port when not in use saves about 600mW */
452 ret = mv3310_power_down(phydev);
456 ret = mv3310_hwmon_probe(phydev);
460 chip->init_supported_interfaces(priv->supported_interfaces);
462 return phy_sfp_probe(phydev, &mv3310_sfp_ops);
465 static void mv3310_remove(struct phy_device *phydev)
467 mv3310_hwmon_config(phydev, false);
470 static int mv3310_suspend(struct phy_device *phydev)
472 return mv3310_power_down(phydev);
475 static int mv3310_resume(struct phy_device *phydev)
479 ret = mv3310_power_up(phydev);
483 return mv3310_hwmon_config(phydev, true);
486 /* Some PHYs in the Alaska family such as the 88X3310 and the 88E2010
487 * don't set bit 14 in PMA Extended Abilities (1.11), although they do
488 * support 2.5GBASET and 5GBASET. For these models, we can still read their
489 * 2.5G/5G extended abilities register (1.21). We detect these models based on
490 * the PMA device identifier, with a mask matching models known to have this
493 static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev)
495 if (!(phydev->c45_ids.devices_in_package & MDIO_DEVS_PMAPMD))
498 /* Only some revisions of the 88X3310 family PMA seem to be impacted */
499 return (phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
500 MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV;
503 static int mv2110_get_mactype(struct phy_device *phydev)
507 mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL);
511 return mactype & MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK;
514 static int mv3310_get_mactype(struct phy_device *phydev)
518 mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL);
522 return mactype & MV_V2_33X0_PORT_CTRL_MACTYPE_MASK;
525 static int mv2110_init_interface(struct phy_device *phydev, int mactype)
527 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
529 priv->rate_match = false;
531 if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH)
532 priv->rate_match = true;
534 if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII)
535 priv->const_interface = PHY_INTERFACE_MODE_USXGMII;
536 else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH)
537 priv->const_interface = PHY_INTERFACE_MODE_10GBASER;
538 else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER ||
539 mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN)
540 priv->const_interface = PHY_INTERFACE_MODE_NA;
547 static int mv3310_init_interface(struct phy_device *phydev, int mactype)
549 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
551 priv->rate_match = false;
553 if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH ||
554 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH ||
555 mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH)
556 priv->rate_match = true;
558 if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII)
559 priv->const_interface = PHY_INTERFACE_MODE_USXGMII;
560 else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH ||
561 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN ||
562 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER)
563 priv->const_interface = PHY_INTERFACE_MODE_10GBASER;
564 else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH ||
565 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI)
566 priv->const_interface = PHY_INTERFACE_MODE_RXAUI;
567 else if (mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH ||
568 mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI)
569 priv->const_interface = PHY_INTERFACE_MODE_XAUI;
576 static int mv3340_init_interface(struct phy_device *phydev, int mactype)
578 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
581 priv->rate_match = false;
583 if (mactype == MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN)
584 priv->const_interface = PHY_INTERFACE_MODE_RXAUI;
586 err = mv3310_init_interface(phydev, mactype);
591 static int mv3310_config_init(struct phy_device *phydev)
593 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
594 const struct mv3310_chip *chip = to_mv3310_chip(phydev);
597 /* Check that the PHY interface type is compatible */
598 if (!test_bit(phydev->interface, priv->supported_interfaces))
601 phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
603 /* Power up so reset works */
604 err = mv3310_power_up(phydev);
608 mactype = chip->get_mactype(phydev);
612 err = chip->init_interface(phydev, mactype);
614 phydev_err(phydev, "MACTYPE configuration invalid\n");
618 /* Enable EDPD mode - saving 600mW */
619 return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS);
622 static int mv3310_get_features(struct phy_device *phydev)
626 ret = genphy_c45_pma_read_abilities(phydev);
630 if (mv3310_has_pma_ngbaset_quirk(phydev)) {
631 val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD,
632 MDIO_PMA_NG_EXTABLE);
636 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
638 val & MDIO_PMA_NG_EXTABLE_2_5GBT);
640 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
642 val & MDIO_PMA_NG_EXTABLE_5GBT);
648 static int mv3310_config_mdix(struct phy_device *phydev)
653 switch (phydev->mdix_ctrl) {
654 case ETH_TP_MDI_AUTO:
655 val = MV_PCS_CSCR1_MDIX_AUTO;
658 val = MV_PCS_CSCR1_MDIX_MDIX;
661 val = MV_PCS_CSCR1_MDIX_MDI;
667 err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1,
668 MV_PCS_CSCR1_MDIX_MASK, val);
670 err = mv3310_reset(phydev, MV_PCS_BASE_T);
675 static int mv3310_config_aneg(struct phy_device *phydev)
677 bool changed = false;
681 ret = mv3310_config_mdix(phydev);
685 if (phydev->autoneg == AUTONEG_DISABLE)
686 return genphy_c45_pma_setup_forced(phydev);
688 ret = genphy_c45_an_config_aneg(phydev);
694 /* Clause 45 has no standardized support for 1000BaseT, therefore
695 * use vendor registers for this mode.
697 reg = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);
698 ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MV_AN_CTRL1000,
699 ADVERTISE_1000FULL | ADVERTISE_1000HALF, reg);
705 return genphy_c45_check_and_restart_aneg(phydev, changed);
708 static int mv3310_aneg_done(struct phy_device *phydev)
712 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1);
716 if (val & MDIO_STAT1_LSTATUS)
719 return genphy_c45_aneg_done(phydev);
722 static void mv3310_update_interface(struct phy_device *phydev)
724 struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
729 /* In all of the "* with Rate Matching" modes the PHY interface is fixed
730 * at 10Gb. The PHY adapts the rate to actual wire speed with help of
731 * internal 16KB buffer.
733 * In USXGMII mode the PHY interface mode is also fixed.
735 if (priv->rate_match ||
736 priv->const_interface == PHY_INTERFACE_MODE_USXGMII) {
737 phydev->interface = priv->const_interface;
741 /* The PHY automatically switches its serdes interface (and active PHYXS
742 * instance) between Cisco SGMII, 2500BaseX, 5GBase-R and 10GBase-R /
743 * xaui / rxaui modes according to the speed.
744 * Florian suggests setting phydev->interface to communicate this to the
745 * MAC. Only do this if we are already in one of the above modes.
747 switch (phydev->speed) {
749 phydev->interface = priv->const_interface;
752 phydev->interface = PHY_INTERFACE_MODE_5GBASER;
755 phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
760 phydev->interface = PHY_INTERFACE_MODE_SGMII;
767 /* 10GBASE-ER,LR,LRM,SR do not support autonegotiation. */
768 static int mv3310_read_status_10gbaser(struct phy_device *phydev)
771 phydev->speed = SPEED_10000;
772 phydev->duplex = DUPLEX_FULL;
773 phydev->port = PORT_FIBRE;
778 static int mv3310_read_status_copper(struct phy_device *phydev)
780 int cssr1, speed, val;
782 val = genphy_c45_read_link(phydev);
786 val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
790 cssr1 = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSSR1);
794 /* If the link settings are not resolved, mark the link down */
795 if (!(cssr1 & MV_PCS_CSSR1_RESOLVED)) {
800 /* Read the copper link settings */
801 speed = cssr1 & MV_PCS_CSSR1_SPD1_MASK;
802 if (speed == MV_PCS_CSSR1_SPD1_SPD2)
803 speed |= cssr1 & MV_PCS_CSSR1_SPD2_MASK;
806 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_10000:
807 phydev->speed = SPEED_10000;
810 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_5000:
811 phydev->speed = SPEED_5000;
814 case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_2500:
815 phydev->speed = SPEED_2500;
818 case MV_PCS_CSSR1_SPD1_1000:
819 phydev->speed = SPEED_1000;
822 case MV_PCS_CSSR1_SPD1_100:
823 phydev->speed = SPEED_100;
826 case MV_PCS_CSSR1_SPD1_10:
827 phydev->speed = SPEED_10;
831 phydev->duplex = cssr1 & MV_PCS_CSSR1_DUPLEX_FULL ?
832 DUPLEX_FULL : DUPLEX_HALF;
833 phydev->port = PORT_TP;
834 phydev->mdix = cssr1 & MV_PCS_CSSR1_MDIX ?
835 ETH_TP_MDI_X : ETH_TP_MDI;
837 if (val & MDIO_AN_STAT1_COMPLETE) {
838 val = genphy_c45_read_lpa(phydev);
842 /* Read the link partner's 1G advertisement */
843 val = phy_read_mmd(phydev, MDIO_MMD_AN, MV_AN_STAT1000);
847 mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
849 /* Update the pause status */
850 phy_resolve_aneg_pause(phydev);
856 static int mv3310_read_status(struct phy_device *phydev)
860 phydev->speed = SPEED_UNKNOWN;
861 phydev->duplex = DUPLEX_UNKNOWN;
862 linkmode_zero(phydev->lp_advertising);
865 phydev->asym_pause = 0;
866 phydev->mdix = ETH_TP_MDI_INVALID;
868 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1);
872 if (val & MDIO_STAT1_LSTATUS)
873 err = mv3310_read_status_10gbaser(phydev);
875 err = mv3310_read_status_copper(phydev);
880 mv3310_update_interface(phydev);
885 static int mv3310_get_tunable(struct phy_device *phydev,
886 struct ethtool_tunable *tuna, void *data)
889 case ETHTOOL_PHY_EDPD:
890 return mv3310_get_edpd(phydev, data);
896 static int mv3310_set_tunable(struct phy_device *phydev,
897 struct ethtool_tunable *tuna, const void *data)
900 case ETHTOOL_PHY_EDPD:
901 return mv3310_set_edpd(phydev, *(u16 *)data);
907 static void mv3310_init_supported_interfaces(unsigned long *mask)
909 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
910 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
911 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
912 __set_bit(PHY_INTERFACE_MODE_XAUI, mask);
913 __set_bit(PHY_INTERFACE_MODE_RXAUI, mask);
914 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
915 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
918 static void mv3340_init_supported_interfaces(unsigned long *mask)
920 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
921 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
922 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
923 __set_bit(PHY_INTERFACE_MODE_RXAUI, mask);
924 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
925 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
928 static void mv2110_init_supported_interfaces(unsigned long *mask)
930 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
931 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
932 __set_bit(PHY_INTERFACE_MODE_5GBASER, mask);
933 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
934 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
937 static void mv2111_init_supported_interfaces(unsigned long *mask)
939 __set_bit(PHY_INTERFACE_MODE_SGMII, mask);
940 __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask);
941 __set_bit(PHY_INTERFACE_MODE_10GBASER, mask);
942 __set_bit(PHY_INTERFACE_MODE_USXGMII, mask);
945 static const struct mv3310_chip mv3310_type = {
946 .init_supported_interfaces = mv3310_init_supported_interfaces,
947 .get_mactype = mv3310_get_mactype,
948 .init_interface = mv3310_init_interface,
951 .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg,
955 static const struct mv3310_chip mv3340_type = {
956 .init_supported_interfaces = mv3340_init_supported_interfaces,
957 .get_mactype = mv3310_get_mactype,
958 .init_interface = mv3340_init_interface,
961 .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg,
965 static const struct mv3310_chip mv2110_type = {
966 .init_supported_interfaces = mv2110_init_supported_interfaces,
967 .get_mactype = mv2110_get_mactype,
968 .init_interface = mv2110_init_interface,
971 .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg,
975 static const struct mv3310_chip mv2111_type = {
976 .init_supported_interfaces = mv2111_init_supported_interfaces,
977 .get_mactype = mv2110_get_mactype,
978 .init_interface = mv2110_init_interface,
981 .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg,
985 static int mv3310_get_number_of_ports(struct phy_device *phydev)
989 ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_PORT_INFO);
993 ret &= MV_PCS_PORT_INFO_NPORTS_MASK;
994 ret >>= MV_PCS_PORT_INFO_NPORTS_SHIFT;
999 static int mv3310_match_phy_device(struct phy_device *phydev)
1001 if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
1002 MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88X3310)
1005 return mv3310_get_number_of_ports(phydev) == 1;
1008 static int mv3340_match_phy_device(struct phy_device *phydev)
1010 if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
1011 MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88X3310)
1014 return mv3310_get_number_of_ports(phydev) == 4;
1017 static int mv211x_match_phy_device(struct phy_device *phydev, bool has_5g)
1021 if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
1022 MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88E2110)
1025 val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_SPEED);
1029 return !!(val & MDIO_PCS_SPEED_5G) == has_5g;
1032 static int mv2110_match_phy_device(struct phy_device *phydev)
1034 return mv211x_match_phy_device(phydev, true);
1037 static int mv2111_match_phy_device(struct phy_device *phydev)
1039 return mv211x_match_phy_device(phydev, false);
1042 static void mv3110_get_wol(struct phy_device *phydev,
1043 struct ethtool_wolinfo *wol)
1047 wol->supported = WAKE_MAGIC;
1050 ret = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_WOL_CTRL);
1054 if (ret & MV_V2_WOL_CTRL_MAGIC_PKT_EN)
1055 wol->wolopts |= WAKE_MAGIC;
1058 static int mv3110_set_wol(struct phy_device *phydev,
1059 struct ethtool_wolinfo *wol)
1063 if (wol->wolopts & WAKE_MAGIC) {
1064 /* Enable the WOL interrupt */
1065 ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
1066 MV_V2_PORT_INTR_MASK,
1067 MV_V2_PORT_INTR_STS_WOL_EN);
1071 /* Store the device address for the magic packet */
1072 ret = phy_write_mmd(phydev, MDIO_MMD_VEND2,
1073 MV_V2_MAGIC_PKT_WORD2,
1074 ((phydev->attached_dev->dev_addr[5] << 8) |
1075 phydev->attached_dev->dev_addr[4]));
1079 ret = phy_write_mmd(phydev, MDIO_MMD_VEND2,
1080 MV_V2_MAGIC_PKT_WORD1,
1081 ((phydev->attached_dev->dev_addr[3] << 8) |
1082 phydev->attached_dev->dev_addr[2]));
1086 ret = phy_write_mmd(phydev, MDIO_MMD_VEND2,
1087 MV_V2_MAGIC_PKT_WORD0,
1088 ((phydev->attached_dev->dev_addr[1] << 8) |
1089 phydev->attached_dev->dev_addr[0]));
1093 /* Clear WOL status and enable magic packet matching */
1094 ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
1096 MV_V2_WOL_CTRL_MAGIC_PKT_EN |
1097 MV_V2_WOL_CTRL_CLEAR_STS);
1101 /* Disable magic packet matching & reset WOL status bit */
1102 ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2,
1104 MV_V2_WOL_CTRL_MAGIC_PKT_EN,
1105 MV_V2_WOL_CTRL_CLEAR_STS);
1110 /* Reset the clear WOL status bit as it does not self-clear */
1111 return phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
1113 MV_V2_WOL_CTRL_CLEAR_STS);
1116 static struct phy_driver mv3310_drivers[] = {
1118 .phy_id = MARVELL_PHY_ID_88X3310,
1119 .phy_id_mask = MARVELL_PHY_ID_MASK,
1120 .match_phy_device = mv3310_match_phy_device,
1121 .name = "mv88x3310",
1122 .driver_data = &mv3310_type,
1123 .get_features = mv3310_get_features,
1124 .config_init = mv3310_config_init,
1125 .probe = mv3310_probe,
1126 .suspend = mv3310_suspend,
1127 .resume = mv3310_resume,
1128 .config_aneg = mv3310_config_aneg,
1129 .aneg_done = mv3310_aneg_done,
1130 .read_status = mv3310_read_status,
1131 .get_tunable = mv3310_get_tunable,
1132 .set_tunable = mv3310_set_tunable,
1133 .remove = mv3310_remove,
1134 .set_loopback = genphy_c45_loopback,
1135 .get_wol = mv3110_get_wol,
1136 .set_wol = mv3110_set_wol,
1139 .phy_id = MARVELL_PHY_ID_88X3310,
1140 .phy_id_mask = MARVELL_PHY_ID_MASK,
1141 .match_phy_device = mv3340_match_phy_device,
1142 .name = "mv88x3340",
1143 .driver_data = &mv3340_type,
1144 .get_features = mv3310_get_features,
1145 .config_init = mv3310_config_init,
1146 .probe = mv3310_probe,
1147 .suspend = mv3310_suspend,
1148 .resume = mv3310_resume,
1149 .config_aneg = mv3310_config_aneg,
1150 .aneg_done = mv3310_aneg_done,
1151 .read_status = mv3310_read_status,
1152 .get_tunable = mv3310_get_tunable,
1153 .set_tunable = mv3310_set_tunable,
1154 .remove = mv3310_remove,
1155 .set_loopback = genphy_c45_loopback,
1158 .phy_id = MARVELL_PHY_ID_88E2110,
1159 .phy_id_mask = MARVELL_PHY_ID_MASK,
1160 .match_phy_device = mv2110_match_phy_device,
1161 .name = "mv88e2110",
1162 .driver_data = &mv2110_type,
1163 .probe = mv3310_probe,
1164 .suspend = mv3310_suspend,
1165 .resume = mv3310_resume,
1166 .config_init = mv3310_config_init,
1167 .config_aneg = mv3310_config_aneg,
1168 .aneg_done = mv3310_aneg_done,
1169 .read_status = mv3310_read_status,
1170 .get_tunable = mv3310_get_tunable,
1171 .set_tunable = mv3310_set_tunable,
1172 .remove = mv3310_remove,
1173 .set_loopback = genphy_c45_loopback,
1174 .get_wol = mv3110_get_wol,
1175 .set_wol = mv3110_set_wol,
1178 .phy_id = MARVELL_PHY_ID_88E2110,
1179 .phy_id_mask = MARVELL_PHY_ID_MASK,
1180 .match_phy_device = mv2111_match_phy_device,
1181 .name = "mv88e2111",
1182 .driver_data = &mv2111_type,
1183 .probe = mv3310_probe,
1184 .suspend = mv3310_suspend,
1185 .resume = mv3310_resume,
1186 .config_init = mv3310_config_init,
1187 .config_aneg = mv3310_config_aneg,
1188 .aneg_done = mv3310_aneg_done,
1189 .read_status = mv3310_read_status,
1190 .get_tunable = mv3310_get_tunable,
1191 .set_tunable = mv3310_set_tunable,
1192 .remove = mv3310_remove,
1193 .set_loopback = genphy_c45_loopback,
1197 module_phy_driver(mv3310_drivers);
1199 static struct mdio_device_id __maybe_unused mv3310_tbl[] = {
1200 { MARVELL_PHY_ID_88X3310, MARVELL_PHY_ID_MASK },
1201 { MARVELL_PHY_ID_88E2110, MARVELL_PHY_ID_MASK },
1204 MODULE_DEVICE_TABLE(mdio, mv3310_tbl);
1205 MODULE_DESCRIPTION("Marvell Alaska X/M multi-gigabit Ethernet PHY driver");
1206 MODULE_LICENSE("GPL");