diff options
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
| -rw-r--r-- | drivers/net/phy/marvell10g.c | 386 | 
1 files changed, 327 insertions, 59 deletions
| diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index b1bb9b8e1e4e..bbbc6ac8fa82 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -35,6 +35,15 @@  enum {  	MV_PMA_FW_VER0		= 0xc011,  	MV_PMA_FW_VER1		= 0xc012, +	MV_PMA_21X0_PORT_CTRL	= 0xc04a, +	MV_PMA_21X0_PORT_CTRL_SWRST				= BIT(15), +	MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK			= 0x7, +	MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII			= 0x0, +	MV_PMA_2180_PORT_CTRL_MACTYPE_DXGMII			= 0x1, +	MV_PMA_2180_PORT_CTRL_MACTYPE_QXGMII			= 0x2, +	MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER			= 0x4, +	MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN	= 0x5, +	MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH	= 0x6,  	MV_PMA_BOOT		= 0xc050,  	MV_PMA_BOOT_FATAL	= BIT(0), @@ -78,10 +87,18 @@ enum {  	/* Vendor2 MMD registers */  	MV_V2_PORT_CTRL		= 0xf001, -	MV_V2_PORT_CTRL_SWRST	= BIT(15), -	MV_V2_PORT_CTRL_PWRDOWN = BIT(11), -	MV_V2_PORT_MAC_TYPE_MASK = 0x7, -	MV_V2_PORT_MAC_TYPE_RATE_MATCH = 0x6, +	MV_V2_PORT_CTRL_PWRDOWN					= BIT(11), +	MV_V2_33X0_PORT_CTRL_SWRST				= BIT(15), +	MV_V2_33X0_PORT_CTRL_MACTYPE_MASK			= 0x7, +	MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI			= 0x0, +	MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH		= 0x1, +	MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN		= 0x1, +	MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH		= 0x2, +	MV_V2_3310_PORT_CTRL_MACTYPE_XAUI			= 0x3, +	MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER			= 0x4, +	MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN	= 0x5, +	MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH	= 0x6, +	MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII			= 0x7,  	/* Temperature control/read registers (88X3310 only) */  	MV_V2_TEMP_CTRL		= 0xf08a,  	MV_V2_TEMP_CTRL_MASK	= 0xc000, @@ -91,14 +108,32 @@ enum {  	MV_V2_TEMP_UNKNOWN	= 0x9600, /* unknown function */  }; +struct mv3310_chip { +	void (*init_supported_interfaces)(unsigned long *mask); +	int (*get_mactype)(struct phy_device *phydev); +	int (*init_interface)(struct phy_device *phydev, int mactype); + +#ifdef CONFIG_HWMON +	int (*hwmon_read_temp_reg)(struct phy_device *phydev); +#endif +}; +  struct mv3310_priv { +	DECLARE_BITMAP(supported_interfaces, PHY_INTERFACE_MODE_MAX); +  	u32 firmware_ver;  	bool rate_match; +	phy_interface_t const_interface;  	struct device *hwmon_dev;  	char *hwmon_name;  }; +static const struct mv3310_chip *to_mv3310_chip(struct phy_device *phydev) +{ +	return phydev->drv->driver_data; +} +  #ifdef CONFIG_HWMON  static umode_t mv3310_hwmon_is_visible(const void *data,  				       enum hwmon_sensor_types type, @@ -121,18 +156,11 @@ static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev)  	return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP);  } -static int mv10g_hwmon_read_temp_reg(struct phy_device *phydev) -{ -	if (phydev->drv->phy_id == MARVELL_PHY_ID_88X3310) -		return mv3310_hwmon_read_temp_reg(phydev); -	else /* MARVELL_PHY_ID_88E2110 */ -		return mv2110_hwmon_read_temp_reg(phydev); -} -  static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,  			     u32 attr, int channel, long *value)  {  	struct phy_device *phydev = dev_get_drvdata(dev); +	const struct mv3310_chip *chip = to_mv3310_chip(phydev);  	int temp;  	if (type == hwmon_chip && attr == hwmon_chip_update_interval) { @@ -141,7 +169,7 @@ static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,  	}  	if (type == hwmon_temp && attr == hwmon_temp_input) { -		temp = mv10g_hwmon_read_temp_reg(phydev); +		temp = chip->hwmon_read_temp_reg(phydev);  		if (temp < 0)  			return temp; @@ -268,7 +296,7 @@ static int mv3310_power_up(struct phy_device *phydev)  		return ret;  	return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, -				MV_V2_PORT_CTRL_SWRST); +				MV_V2_33X0_PORT_CTRL_SWRST);  }  static int mv3310_reset(struct phy_device *phydev, u32 unit) @@ -363,6 +391,7 @@ static const struct sfp_upstream_ops mv3310_sfp_ops = {  static int mv3310_probe(struct phy_device *phydev)  { +	const struct mv3310_chip *chip = to_mv3310_chip(phydev);  	struct mv3310_priv *priv;  	u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN;  	int ret; @@ -412,6 +441,8 @@ static int mv3310_probe(struct phy_device *phydev)  	if (ret)  		return ret; +	chip->init_supported_interfaces(priv->supported_interfaces); +  	return phy_sfp_probe(phydev, &mv3310_sfp_ops);  } @@ -453,18 +484,102 @@ static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev)  		MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV;  } +static int mv2110_get_mactype(struct phy_device *phydev) +{ +	int mactype; + +	mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL); +	if (mactype < 0) +		return mactype; + +	return mactype & MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK; +} + +static int mv3310_get_mactype(struct phy_device *phydev) +{ +	int mactype; + +	mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); +	if (mactype < 0) +		return mactype; + +	return mactype & MV_V2_33X0_PORT_CTRL_MACTYPE_MASK; +} + +static int mv2110_init_interface(struct phy_device *phydev, int mactype) +{ +	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + +	priv->rate_match = false; + +	if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) +		priv->rate_match = true; + +	if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII) +		priv->const_interface = PHY_INTERFACE_MODE_USXGMII; +	else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) +		priv->const_interface = PHY_INTERFACE_MODE_10GBASER; +	else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER || +		 mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN) +		priv->const_interface = PHY_INTERFACE_MODE_NA; +	else +		return -EINVAL; + +	return 0; +} + +static int mv3310_init_interface(struct phy_device *phydev, int mactype) +{ +	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + +	priv->rate_match = false; + +	if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || +	    mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || +	    mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH) +		priv->rate_match = true; + +	if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII) +		priv->const_interface = PHY_INTERFACE_MODE_USXGMII; +	else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || +		 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN || +		 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER) +		priv->const_interface = PHY_INTERFACE_MODE_10GBASER; +	else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || +		 mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI) +		priv->const_interface = PHY_INTERFACE_MODE_RXAUI; +	else if (mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH || +		 mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI) +		priv->const_interface = PHY_INTERFACE_MODE_XAUI; +	else +		return -EINVAL; + +	return 0; +} + +static int mv3340_init_interface(struct phy_device *phydev, int mactype) +{ +	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); +	int err = 0; + +	priv->rate_match = false; + +	if (mactype == MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN) +		priv->const_interface = PHY_INTERFACE_MODE_RXAUI; +	else +		err = mv3310_init_interface(phydev, mactype); + +	return err; +} +  static int mv3310_config_init(struct phy_device *phydev)  {  	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); -	int err; -	int val; +	const struct mv3310_chip *chip = to_mv3310_chip(phydev); +	int err, mactype;  	/* Check that the PHY interface type is compatible */ -	if (phydev->interface != PHY_INTERFACE_MODE_SGMII && -	    phydev->interface != PHY_INTERFACE_MODE_2500BASEX && -	    phydev->interface != PHY_INTERFACE_MODE_XAUI && -	    phydev->interface != PHY_INTERFACE_MODE_RXAUI && -	    phydev->interface != PHY_INTERFACE_MODE_10GBASER) +	if (!test_bit(phydev->interface, priv->supported_interfaces))  		return -ENODEV;  	phydev->mdix_ctrl = ETH_TP_MDI_AUTO; @@ -474,11 +589,15 @@ static int mv3310_config_init(struct phy_device *phydev)  	if (err)  		return err; -	val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); -	if (val < 0) -		return val; -	priv->rate_match = ((val & MV_V2_PORT_MAC_TYPE_MASK) == -			MV_V2_PORT_MAC_TYPE_RATE_MATCH); +	mactype = chip->get_mactype(phydev); +	if (mactype < 0) +		return mactype; + +	err = chip->init_interface(phydev, mactype); +	if (err) { +		phydev_err(phydev, "MACTYPE configuration invalid\n"); +		return err; +	}  	/* Enable EDPD mode - saving 600mW */  	return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS); @@ -588,40 +707,44 @@ static void mv3310_update_interface(struct phy_device *phydev)  {  	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); -	/* In "XFI with Rate Matching" mode the PHY interface is fixed at -	 * 10Gb. The PHY adapts the rate to actual wire speed with help of +	if (!phydev->link) +		return; + +	/* In all of the "* with Rate Matching" modes the PHY interface is fixed +	 * at 10Gb. The PHY adapts the rate to actual wire speed with help of  	 * internal 16KB buffer. +	 * +	 * In USXGMII mode the PHY interface mode is also fixed.  	 */ -	if (priv->rate_match) { -		phydev->interface = PHY_INTERFACE_MODE_10GBASER; +	if (priv->rate_match || +	    priv->const_interface == PHY_INTERFACE_MODE_USXGMII) { +		phydev->interface = priv->const_interface;  		return;  	} -	if ((phydev->interface == PHY_INTERFACE_MODE_SGMII || -	     phydev->interface == PHY_INTERFACE_MODE_2500BASEX || -	     phydev->interface == PHY_INTERFACE_MODE_10GBASER) && -	    phydev->link) { -		/* The PHY automatically switches its serdes interface (and -		 * active PHYXS instance) between Cisco SGMII, 10GBase-R and -		 * 2500BaseX modes according to the speed.  Florian suggests -		 * setting phydev->interface to communicate this to the MAC. -		 * Only do this if we are already in one of the above modes. -		 */ -		switch (phydev->speed) { -		case SPEED_10000: -			phydev->interface = PHY_INTERFACE_MODE_10GBASER; -			break; -		case SPEED_2500: -			phydev->interface = PHY_INTERFACE_MODE_2500BASEX; -			break; -		case SPEED_1000: -		case SPEED_100: -		case SPEED_10: -			phydev->interface = PHY_INTERFACE_MODE_SGMII; -			break; -		default: -			break; -		} +	/* The PHY automatically switches its serdes interface (and active PHYXS +	 * instance) between Cisco SGMII, 2500BaseX, 5GBase-R and 10GBase-R / +	 * xaui / rxaui modes according to the speed. +	 * Florian suggests setting phydev->interface to communicate this to the +	 * MAC. Only do this if we are already in one of the above modes. +	 */ +	switch (phydev->speed) { +	case SPEED_10000: +		phydev->interface = priv->const_interface; +		break; +	case SPEED_5000: +		phydev->interface = PHY_INTERFACE_MODE_5GBASER; +		break; +	case SPEED_2500: +		phydev->interface = PHY_INTERFACE_MODE_2500BASEX; +		break; +	case SPEED_1000: +	case SPEED_100: +	case SPEED_10: +		phydev->interface = PHY_INTERFACE_MODE_SGMII; +		break; +	default: +		break;  	}  } @@ -765,11 +888,133 @@ static int mv3310_set_tunable(struct phy_device *phydev,  	}  } +static void mv3310_init_supported_interfaces(unsigned long *mask) +{ +	__set_bit(PHY_INTERFACE_MODE_SGMII, mask); +	__set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); +	__set_bit(PHY_INTERFACE_MODE_5GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_XAUI, mask); +	__set_bit(PHY_INTERFACE_MODE_RXAUI, mask); +	__set_bit(PHY_INTERFACE_MODE_10GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv3340_init_supported_interfaces(unsigned long *mask) +{ +	__set_bit(PHY_INTERFACE_MODE_SGMII, mask); +	__set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); +	__set_bit(PHY_INTERFACE_MODE_5GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_RXAUI, mask); +	__set_bit(PHY_INTERFACE_MODE_10GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv2110_init_supported_interfaces(unsigned long *mask) +{ +	__set_bit(PHY_INTERFACE_MODE_SGMII, mask); +	__set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); +	__set_bit(PHY_INTERFACE_MODE_5GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_10GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv2111_init_supported_interfaces(unsigned long *mask) +{ +	__set_bit(PHY_INTERFACE_MODE_SGMII, mask); +	__set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); +	__set_bit(PHY_INTERFACE_MODE_10GBASER, mask); +	__set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static const struct mv3310_chip mv3310_type = { +	.init_supported_interfaces = mv3310_init_supported_interfaces, +	.get_mactype = mv3310_get_mactype, +	.init_interface = mv3310_init_interface, + +#ifdef CONFIG_HWMON +	.hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv3340_type = { +	.init_supported_interfaces = mv3340_init_supported_interfaces, +	.get_mactype = mv3310_get_mactype, +	.init_interface = mv3340_init_interface, + +#ifdef CONFIG_HWMON +	.hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv2110_type = { +	.init_supported_interfaces = mv2110_init_supported_interfaces, +	.get_mactype = mv2110_get_mactype, +	.init_interface = mv2110_init_interface, + +#ifdef CONFIG_HWMON +	.hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv2111_type = { +	.init_supported_interfaces = mv2111_init_supported_interfaces, +	.get_mactype = mv2110_get_mactype, +	.init_interface = mv2110_init_interface, + +#ifdef CONFIG_HWMON +	.hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg, +#endif +}; + +static int mv211x_match_phy_device(struct phy_device *phydev, bool has_5g) +{ +	int val; + +	if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] & +	     MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88E2110) +		return 0; + +	val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_SPEED); +	if (val < 0) +		return val; + +	return !!(val & MDIO_PCS_SPEED_5G) == has_5g; +} + +static int mv2110_match_phy_device(struct phy_device *phydev) +{ +	return mv211x_match_phy_device(phydev, true); +} + +static int mv2111_match_phy_device(struct phy_device *phydev) +{ +	return mv211x_match_phy_device(phydev, false); +} +  static struct phy_driver mv3310_drivers[] = {  	{  		.phy_id		= MARVELL_PHY_ID_88X3310, -		.phy_id_mask	= MARVELL_PHY_ID_MASK, +		.phy_id_mask	= MARVELL_PHY_ID_88X33X0_MASK,  		.name		= "mv88x3310", +		.driver_data	= &mv3310_type, +		.get_features	= mv3310_get_features, +		.config_init	= mv3310_config_init, +		.probe		= mv3310_probe, +		.suspend	= mv3310_suspend, +		.resume		= mv3310_resume, +		.config_aneg	= mv3310_config_aneg, +		.aneg_done	= mv3310_aneg_done, +		.read_status	= mv3310_read_status, +		.get_tunable	= mv3310_get_tunable, +		.set_tunable	= mv3310_set_tunable, +		.remove		= mv3310_remove, +		.set_loopback	= genphy_c45_loopback, +	}, +	{ +		.phy_id		= MARVELL_PHY_ID_88X3340, +		.phy_id_mask	= MARVELL_PHY_ID_88X33X0_MASK, +		.name		= "mv88x3340", +		.driver_data	= &mv3340_type,  		.get_features	= mv3310_get_features,  		.config_init	= mv3310_config_init,  		.probe		= mv3310_probe, @@ -781,11 +1026,32 @@ static struct phy_driver mv3310_drivers[] = {  		.get_tunable	= mv3310_get_tunable,  		.set_tunable	= mv3310_set_tunable,  		.remove		= mv3310_remove, +		.set_loopback	= genphy_c45_loopback, +	}, +	{ +		.phy_id		= MARVELL_PHY_ID_88E2110, +		.phy_id_mask	= MARVELL_PHY_ID_MASK, +		.match_phy_device = mv2110_match_phy_device, +		.name		= "mv88e2110", +		.driver_data	= &mv2110_type, +		.probe		= mv3310_probe, +		.suspend	= mv3310_suspend, +		.resume		= mv3310_resume, +		.config_init	= mv3310_config_init, +		.config_aneg	= mv3310_config_aneg, +		.aneg_done	= mv3310_aneg_done, +		.read_status	= mv3310_read_status, +		.get_tunable	= mv3310_get_tunable, +		.set_tunable	= mv3310_set_tunable, +		.remove		= mv3310_remove, +		.set_loopback	= genphy_c45_loopback,  	},  	{  		.phy_id		= MARVELL_PHY_ID_88E2110,  		.phy_id_mask	= MARVELL_PHY_ID_MASK, -		.name		= "mv88x2110", +		.match_phy_device = mv2111_match_phy_device, +		.name		= "mv88e2111", +		.driver_data	= &mv2111_type,  		.probe		= mv3310_probe,  		.suspend	= mv3310_suspend,  		.resume		= mv3310_resume, @@ -796,16 +1062,18 @@ static struct phy_driver mv3310_drivers[] = {  		.get_tunable	= mv3310_get_tunable,  		.set_tunable	= mv3310_set_tunable,  		.remove		= mv3310_remove, +		.set_loopback	= genphy_c45_loopback,  	},  };  module_phy_driver(mv3310_drivers);  static struct mdio_device_id __maybe_unused mv3310_tbl[] = { -	{ MARVELL_PHY_ID_88X3310, MARVELL_PHY_ID_MASK }, +	{ MARVELL_PHY_ID_88X3310, MARVELL_PHY_ID_88X33X0_MASK }, +	{ MARVELL_PHY_ID_88X3340, MARVELL_PHY_ID_88X33X0_MASK },  	{ MARVELL_PHY_ID_88E2110, MARVELL_PHY_ID_MASK },  	{ },  };  MODULE_DEVICE_TABLE(mdio, mv3310_tbl); -MODULE_DESCRIPTION("Marvell Alaska X 10Gigabit Ethernet PHY driver (MV88X3310)"); +MODULE_DESCRIPTION("Marvell Alaska X/M multi-gigabit Ethernet PHY driver");  MODULE_LICENSE("GPL"); | 
