1 /* 2 * Aquantia PHY drivers 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 * 6 * Copyright 2014 Freescale Semiconductor, Inc. 7 */ 8 #include <config.h> 9 #include <common.h> 10 #include <phy.h> 11 12 #ifndef CONFIG_PHYLIB_10G 13 #error The Aquantia PHY needs 10G support 14 #endif 15 16 #define AQUNTIA_10G_CTL 0x20 17 #define AQUNTIA_VENDOR_P1 0xc400 18 19 #define AQUNTIA_SPEED_LSB_MASK 0x2000 20 #define AQUNTIA_SPEED_MSB_MASK 0x40 21 22 int aquantia_config(struct phy_device *phydev) 23 { 24 u32 val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); 25 26 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { 27 /* 1000BASE-T mode */ 28 phydev->advertising = SUPPORTED_1000baseT_Full; 29 phydev->supported = phydev->advertising; 30 31 val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK; 32 phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); 33 } else if (phydev->interface == PHY_INTERFACE_MODE_XGMII) { 34 /* 10GBASE-T mode */ 35 phydev->advertising = SUPPORTED_10000baseT_Full; 36 phydev->supported = phydev->advertising; 37 38 if (!(val & AQUNTIA_SPEED_LSB_MASK) || 39 !(val & AQUNTIA_SPEED_MSB_MASK)) 40 phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, 41 AQUNTIA_SPEED_LSB_MASK | 42 AQUNTIA_SPEED_MSB_MASK); 43 } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII_2500) { 44 /* 2.5GBASE-T mode */ 45 phydev->advertising = SUPPORTED_1000baseT_Full; 46 phydev->supported = phydev->advertising; 47 48 phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1); 49 phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440); 50 } else if (phydev->interface == PHY_INTERFACE_MODE_MII) { 51 /* 100BASE-TX mode */ 52 phydev->advertising = SUPPORTED_100baseT_Full; 53 phydev->supported = phydev->advertising; 54 55 val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK; 56 phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); 57 } 58 return 0; 59 } 60 61 int aquantia_startup(struct phy_device *phydev) 62 { 63 u32 reg, speed; 64 int i = 0; 65 66 phydev->duplex = DUPLEX_FULL; 67 68 /* if the AN is still in progress, wait till timeout. */ 69 phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); 70 reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); 71 if (!(reg & MDIO_AN_STAT1_COMPLETE)) { 72 printf("%s Waiting for PHY auto negotiation to complete", 73 phydev->dev->name); 74 do { 75 udelay(1000); 76 reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); 77 if ((i++ % 500) == 0) 78 printf("."); 79 } while (!(reg & MDIO_AN_STAT1_COMPLETE) && 80 i < (4 * PHY_ANEG_TIMEOUT)); 81 82 if (i > PHY_ANEG_TIMEOUT) 83 printf(" TIMEOUT !\n"); 84 } 85 86 /* Read twice because link state is latched and a 87 * read moves the current state into the register */ 88 phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); 89 reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); 90 if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS)) 91 phydev->link = 0; 92 else 93 phydev->link = 1; 94 95 speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); 96 if (speed & AQUNTIA_SPEED_MSB_MASK) { 97 if (speed & AQUNTIA_SPEED_LSB_MASK) 98 phydev->speed = SPEED_10000; 99 else 100 phydev->speed = SPEED_1000; 101 } else { 102 if (speed & AQUNTIA_SPEED_LSB_MASK) 103 phydev->speed = SPEED_100; 104 else 105 phydev->speed = SPEED_10; 106 } 107 108 return 0; 109 } 110 111 struct phy_driver aq1202_driver = { 112 .name = "Aquantia AQ1202", 113 .uid = 0x3a1b445, 114 .mask = 0xfffffff0, 115 .features = PHY_10G_FEATURES, 116 .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| 117 MDIO_MMD_PHYXS | MDIO_MMD_AN | 118 MDIO_MMD_VEND1), 119 .config = &aquantia_config, 120 .startup = &aquantia_startup, 121 .shutdown = &gen10g_shutdown, 122 }; 123 124 struct phy_driver aq2104_driver = { 125 .name = "Aquantia AQ2104", 126 .uid = 0x3a1b460, 127 .mask = 0xfffffff0, 128 .features = PHY_10G_FEATURES, 129 .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| 130 MDIO_MMD_PHYXS | MDIO_MMD_AN | 131 MDIO_MMD_VEND1), 132 .config = &aquantia_config, 133 .startup = &aquantia_startup, 134 .shutdown = &gen10g_shutdown, 135 }; 136 137 struct phy_driver aqr105_driver = { 138 .name = "Aquantia AQR105", 139 .uid = 0x3a1b4a2, 140 .mask = 0xfffffff0, 141 .features = PHY_10G_FEATURES, 142 .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| 143 MDIO_MMD_PHYXS | MDIO_MMD_AN | 144 MDIO_MMD_VEND1), 145 .config = &aquantia_config, 146 .startup = &aquantia_startup, 147 .shutdown = &gen10g_shutdown, 148 }; 149 150 struct phy_driver aqr405_driver = { 151 .name = "Aquantia AQR405", 152 .uid = 0x3a1b4b2, 153 .mask = 0xfffffff0, 154 .features = PHY_10G_FEATURES, 155 .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| 156 MDIO_MMD_PHYXS | MDIO_MMD_AN | 157 MDIO_MMD_VEND1), 158 .config = &aquantia_config, 159 .startup = &aquantia_startup, 160 .shutdown = &gen10g_shutdown, 161 }; 162 163 int phy_aquantia_init(void) 164 { 165 phy_register(&aq1202_driver); 166 phy_register(&aq2104_driver); 167 phy_register(&aqr105_driver); 168 phy_register(&aqr405_driver); 169 170 return 0; 171 } 172