diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/phy/aquantia/aquantia_main.c | 116 |
1 files changed, 110 insertions, 6 deletions
diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aquantia/aquantia_main.c index c33a5ef34ba0..bb56a66d2a48 100644 --- a/drivers/net/phy/aquantia/aquantia_main.c +++ b/drivers/net/phy/aquantia/aquantia_main.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/bitfield.h> +#include <linux/of.h> #include <linux/phy.h> #include "aquantia.h" @@ -41,6 +42,7 @@ #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_XAUI 4 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_SGMII 6 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_RXAUI 7 +#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_OFF 9 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII 10 #define MDIO_AN_VEND_PROV 0xc400 @@ -52,6 +54,12 @@ #define MDIO_AN_VEND_PROV_DOWNSHIFT_MASK GENMASK(3, 0) #define MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT 4 +#define MDIO_AN_RESVD_VEND_PROV 0xc410 +#define MDIO_AN_RESVD_VEND_PROV_MDIX_AUTO 0 +#define MDIO_AN_RESVD_VEND_PROV_MDIX_MDI 1 +#define MDIO_AN_RESVD_VEND_PROV_MDIX_MDIX 2 +#define MDIO_AN_RESVD_VEND_PROV_MDIX_MASK GENMASK(1, 0) + #define MDIO_AN_TX_VEND_STATUS1 0xc800 #define MDIO_AN_TX_VEND_STATUS1_RATE_MASK GENMASK(3, 1) #define MDIO_AN_TX_VEND_STATUS1_10BASET 0 @@ -62,6 +70,9 @@ #define MDIO_AN_TX_VEND_STATUS1_5000BASET 5 #define MDIO_AN_TX_VEND_STATUS1_FULL_DUPLEX BIT(0) +#define MDIO_AN_RESVD_VEND_STATUS1 0xc810 +#define MDIO_AN_RESVD_VEND_STATUS1_MDIX BIT(8) + #define MDIO_AN_TX_VEND_INT_STATUS1 0xcc00 #define MDIO_AN_TX_VEND_INT_STATUS1_DOWNSHIFT BIT(1) @@ -71,6 +82,11 @@ #define MDIO_AN_TX_VEND_INT_MASK2 0xd401 #define MDIO_AN_TX_VEND_INT_MASK2_LINK BIT(0) +#define PMAPMD_RSVD_VEND_PROV 0xe400 +#define PMAPMD_RSVD_VEND_PROV_MDI_CONF GENMASK(1, 0) +#define PMAPMD_RSVD_VEND_PROV_MDI_REVERSE BIT(0) +#define PMAPMD_RSVD_VEND_PROV_MDI_FORCE BIT(1) + #define MDIO_AN_RX_LP_STAT1 0xe820 #define MDIO_AN_RX_LP_STAT1_1000BASET_FULL BIT(15) #define MDIO_AN_RX_LP_STAT1_1000BASET_HALF BIT(14) @@ -148,12 +164,40 @@ static void aqr107_get_stats(struct phy_device *phydev, } } +static int aqr_set_mdix(struct phy_device *phydev, int mdix) +{ + u16 val = 0; + + switch (mdix) { + case ETH_TP_MDI: + val = MDIO_AN_RESVD_VEND_PROV_MDIX_MDI; + break; + case ETH_TP_MDI_X: + val = MDIO_AN_RESVD_VEND_PROV_MDIX_MDIX; + break; + case ETH_TP_MDI_AUTO: + case ETH_TP_MDI_INVALID: + default: + val = MDIO_AN_RESVD_VEND_PROV_MDIX_AUTO; + break; + } + + return phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_RESVD_VEND_PROV, + MDIO_AN_RESVD_VEND_PROV_MDIX_MASK, val); +} + static int aqr_config_aneg(struct phy_device *phydev) { bool changed = false; u16 reg; int ret; + ret = aqr_set_mdix(phydev, phydev->mdix_ctrl); + if (ret < 0) + return ret; + if (ret > 0) + changed = true; + if (phydev->autoneg == AUTONEG_DISABLE) return genphy_c45_pma_setup_forced(phydev); @@ -271,6 +315,21 @@ static int aqr_read_status(struct phy_device *phydev) val & MDIO_AN_RX_LP_STAT1_1000BASET_HALF); } + val = genphy_c45_aneg_done(phydev); + if (val < 0) + return val; + if (val) { + val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_RESVD_VEND_STATUS1); + if (val < 0) + return val; + if (val & MDIO_AN_RESVD_VEND_STATUS1_MDIX) + phydev->mdix = ETH_TP_MDI_X; + else + phydev->mdix = ETH_TP_MDI; + } else { + phydev->mdix = ETH_TP_MDI_INVALID; + } + return genphy_c45_read_status(phydev); } @@ -342,9 +401,19 @@ static int aqr107_read_status(struct phy_device *phydev) if (!phydev->link || phydev->autoneg == AUTONEG_DISABLE) return 0; - val = phy_read_mmd(phydev, MDIO_MMD_PHYXS, MDIO_PHYXS_VEND_IF_STATUS); - if (val < 0) - return val; + /** + * The status register is not immediately correct on line side link up. + * Poll periodically until it reflects the correct ON state. + * Only return fail for read error, timeout defaults to OFF state. + */ + ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PHYXS, + MDIO_PHYXS_VEND_IF_STATUS, val, + (FIELD_GET(MDIO_PHYXS_VEND_IF_STATUS_TYPE_MASK, val) != + MDIO_PHYXS_VEND_IF_STATUS_TYPE_OFF), + AQR107_OP_IN_PROG_SLEEP, + AQR107_OP_IN_PROG_TIMEOUT, false); + if (ret && ret != -ETIMEDOUT) + return ret; switch (FIELD_GET(MDIO_PHYXS_VEND_IF_STATUS_TYPE_MASK, val)) { case MDIO_PHYXS_VEND_IF_STATUS_TYPE_KR: @@ -371,7 +440,9 @@ static int aqr107_read_status(struct phy_device *phydev) case MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII: phydev->interface = PHY_INTERFACE_MODE_2500BASEX; break; + case MDIO_PHYXS_VEND_IF_STATUS_TYPE_OFF: default: + phydev->link = false; phydev->interface = PHY_INTERFACE_MODE_NA; break; } @@ -485,10 +556,33 @@ static void aqr107_chip_info(struct phy_device *phydev) fw_major, fw_minor, build_id, prov_id); } +static int aqr107_config_mdi(struct phy_device *phydev) +{ + struct device_node *np = phydev->mdio.dev.of_node; + u32 mdi_conf; + int ret; + + ret = of_property_read_u32(np, "marvell,mdi-cfg-order", &mdi_conf); + + /* Do nothing in case property "marvell,mdi-cfg-order" is not present */ + if (ret == -EINVAL || ret == -ENOSYS) + return 0; + + if (ret) + return ret; + + if (mdi_conf & ~PMAPMD_RSVD_VEND_PROV_MDI_REVERSE) + return -EINVAL; + + return phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_RSVD_VEND_PROV, + PMAPMD_RSVD_VEND_PROV_MDI_CONF, + mdi_conf | PMAPMD_RSVD_VEND_PROV_MDI_FORCE); +} + static int aqr107_config_init(struct phy_device *phydev) { struct aqr107_priv *priv = phydev->priv; - u32 led_active_low; + u32 led_idx; int ret; /* Check that the PHY interface type is compatible */ @@ -514,9 +608,19 @@ static int aqr107_config_init(struct phy_device *phydev) if (ret) return ret; + ret = aqr107_config_mdi(phydev); + if (ret) + return ret; + /* Restore LED polarity state after reset */ - for_each_set_bit(led_active_low, &priv->leds_active_low, AQR_MAX_LEDS) { - ret = aqr_phy_led_active_low_set(phydev, led_active_low, true); + for_each_set_bit(led_idx, &priv->leds_active_low, AQR_MAX_LEDS) { + ret = aqr_phy_led_active_low_set(phydev, led_idx, true); + if (ret) + return ret; + } + + for_each_set_bit(led_idx, &priv->leds_active_high, AQR_MAX_LEDS) { + ret = aqr_phy_led_active_low_set(phydev, led_idx, false); if (ret) return ret; } |