git.sur5r.net Git - u-boot/blob - drivers/net/phy/smsc.c

   1 /*
   2  * SMSC PHY drivers
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  *
   6  * Base code from drivers/net/phy/davicom.c
   7  *   Copyright 2010-2011 Freescale Semiconductor, Inc.
   8  *   author Andy Fleming
   9  *
  10  * Some code copied from linux kernel
  11  * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
  12  */
  13 #include <miiphy.h>
  14
  15 /* This code does not check the partner abilities. */
  16 static int smsc_parse_status(struct phy_device *phydev)
  17 {
  18         int mii_reg;
  19
  20         mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
  21
  22         if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
  23                 phydev->speed = SPEED_100;
  24         else
  25                 phydev->speed = SPEED_10;
  26
  27         if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
  28                 phydev->duplex = DUPLEX_FULL;
  29         else
  30                 phydev->duplex = DUPLEX_HALF;
  31
  32         return 0;
  33 }
  34
  35 static int smsc_startup(struct phy_device *phydev)
  36 {
  37         int ret;
  38
  39         ret = genphy_update_link(phydev);
  40         if (ret)
  41                 return ret;
  42
  43         return smsc_parse_status(phydev);
  44 }
  45
  46 static struct phy_driver lan8700_driver = {
  47         .name = "SMSC LAN8700",
  48         .uid = 0x0007c0c0,
  49         .mask = 0xffff0,
  50         .features = PHY_BASIC_FEATURES,
  51         .config = &genphy_config_aneg,
  52         .startup = &smsc_startup,
  53         .shutdown = &genphy_shutdown,
  54 };
  55
  56 static struct phy_driver lan911x_driver = {
  57         .name = "SMSC LAN911x Internal PHY",
  58         .uid = 0x0007c0d0,
  59         .mask = 0xffff0,
  60         .features = PHY_BASIC_FEATURES,
  61         .config = &genphy_config_aneg,
  62         .startup = &smsc_startup,
  63         .shutdown = &genphy_shutdown,
  64 };
  65
  66 static struct phy_driver lan8710_driver = {
  67         .name = "SMSC LAN8710/LAN8720",
  68         .uid = 0x0007c0f0,
  69         .mask = 0xffff0,
  70         .features = PHY_BASIC_FEATURES,
  71         .config = &genphy_config_aneg,
  72         .startup = &genphy_startup,
  73         .shutdown = &genphy_shutdown,
  74 };
  75
  76 static struct phy_driver lan8740_driver = {
  77         .name = "SMSC LAN8740",
  78         .uid = 0x0007c110,
  79         .mask = 0xffff0,
  80         .features = PHY_BASIC_FEATURES,
  81         .config = &genphy_config_aneg,
  82         .startup = &genphy_startup,
  83         .shutdown = &genphy_shutdown,
  84 };
  85
  86 static struct phy_driver lan8741_driver = {
  87         .name = "SMSC LAN8741",
  88         .uid = 0x0007c120,
  89         .mask = 0xffff0,
  90         .features = PHY_BASIC_FEATURES,
  91         .config = &genphy_config_aneg,
  92         .startup = &genphy_startup,
  93         .shutdown = &genphy_shutdown,
  94 };
  95
  96 static struct phy_driver lan8742_driver = {
  97         .name = "SMSC LAN8742",
  98         .uid = 0x0007c130,
  99         .mask = 0xffff0,
 100         .features = PHY_BASIC_FEATURES,
 101         .config = &genphy_config_aneg,
 102         .startup = &genphy_startup,
 103         .shutdown = &genphy_shutdown,
 104 };
 105
 106 int phy_smsc_init(void)
 107 {
 108         phy_register(&lan8710_driver);
 109         phy_register(&lan911x_driver);
 110         phy_register(&lan8700_driver);
 111         phy_register(&lan8740_driver);
 112         phy_register(&lan8741_driver);
 113         phy_register(&lan8742_driver);
 114
 115         return 0;
 116 }