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5751aa2f24
This adds support for the SMSC LAN87xx PHYs. Following PHYs can be used by set CONFIG_PHY_SMSC to config. - SMSC LAN8700 - SMSC LAN8710/LAN8720 - SMSC LAN8710/LAN8720 A setup of PHY was copied from linux kenrel. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Fixed white space errors; modified commit message a bit. Signed-off-by: Wolfgang Denk <wd@denx.de>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
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* SMSC PHY drivers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Base code from drivers/net/phy/davicom.c
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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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* author Andy Fleming
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*
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* Some code get from linux kenrel
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* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
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*
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*/
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#include <miiphy.h>
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static int smsc_parse_status(struct phy_device *phydev)
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{
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int mii_reg;
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mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
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if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
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phydev->speed = SPEED_100;
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else
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phydev->speed = SPEED_10;
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if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
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phydev->duplex = DUPLEX_FULL;
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else
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phydev->duplex = DUPLEX_HALF;
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return 0;
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}
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static int smsc_startup(struct phy_device *phydev)
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{
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genphy_update_link(phydev);
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smsc_parse_status(phydev);
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return 0;
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}
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static struct phy_driver lan8700_driver = {
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.name = "SMSC LAN8700",
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.uid = 0x0007c0c0,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &smsc_startup,
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.shutdown = &genphy_shutdown,
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};
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static struct phy_driver lan911x_driver = {
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.name = "SMSC LAN911x Internal PHY",
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.uid = 0x0007c0d0,
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.mask = 0xffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &smsc_startup,
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.shutdown = &genphy_shutdown,
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};
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static struct phy_driver lan8710_driver = {
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.name = "SMSC LAN8710/LAN8720",
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.uid = 0x0007c0f0,
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.mask = 0xffff0,
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.features = PHY_GBIT_FEATURES,
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.config = &genphy_config_aneg,
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.startup = &smsc_startup,
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.shutdown = &genphy_shutdown,
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};
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int phy_smsc_init(void)
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{
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phy_register(&lan8710_driver);
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phy_register(&lan911x_driver);
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phy_register(&lan8700_driver);
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return 0;
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}
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