LXR uboot/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. */
  16static 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
  35static 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
  46static 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
  56static 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
  66static 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
  76static 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
  86static struct phy_driver lan8742_driver = {
  87        .name = "SMSC LAN8742",
  88        .uid = 0x0007c130,
  89        .mask = 0xffff0,
  90        .features = PHY_BASIC_FEATURES,
  91        .config = &genphy_config_aneg,
  92        .startup = &genphy_startup,
  93        .shutdown = &genphy_shutdown,
  94};
  95
  96int phy_smsc_init(void)
  97{
  98        phy_register(&lan8710_driver);
  99        phy_register(&lan911x_driver);
 100        phy_register(&lan8700_driver);
 101        phy_register(&lan8740_driver);
 102        phy_register(&lan8742_driver);
 103
 104        return 0;
 105}
 106