mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
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
/*
|
|
* SMSC PHY drivers
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
* Base code from drivers/net/phy/davicom.c
|
|
* Copyright 2010-2011 Freescale Semiconductor, Inc.
|
|
* author Andy Fleming
|
|
*
|
|
* Some code get from linux kenrel
|
|
* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
|
|
*
|
|
*/
|
|
#include <miiphy.h>
|
|
|
|
static int smsc_parse_status(struct phy_device *phydev)
|
|
{
|
|
int mii_reg;
|
|
|
|
mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
|
|
|
|
if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
|
|
phydev->speed = SPEED_100;
|
|
else
|
|
phydev->speed = SPEED_10;
|
|
|
|
if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
|
|
phydev->duplex = DUPLEX_FULL;
|
|
else
|
|
phydev->duplex = DUPLEX_HALF;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int smsc_startup(struct phy_device *phydev)
|
|
{
|
|
genphy_update_link(phydev);
|
|
smsc_parse_status(phydev);
|
|
return 0;
|
|
}
|
|
|
|
static struct phy_driver lan8700_driver = {
|
|
.name = "SMSC LAN8700",
|
|
.uid = 0x0007c0c0,
|
|
.mask = 0xffff0,
|
|
.features = PHY_BASIC_FEATURES,
|
|
.config = &genphy_config_aneg,
|
|
.startup = &smsc_startup,
|
|
.shutdown = &genphy_shutdown,
|
|
};
|
|
|
|
static struct phy_driver lan911x_driver = {
|
|
.name = "SMSC LAN911x Internal PHY",
|
|
.uid = 0x0007c0d0,
|
|
.mask = 0xffff0,
|
|
.features = PHY_BASIC_FEATURES,
|
|
.config = &genphy_config_aneg,
|
|
.startup = &smsc_startup,
|
|
.shutdown = &genphy_shutdown,
|
|
};
|
|
|
|
static struct phy_driver lan8710_driver = {
|
|
.name = "SMSC LAN8710/LAN8720",
|
|
.uid = 0x0007c0f0,
|
|
.mask = 0xffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.config = &genphy_config_aneg,
|
|
.startup = &smsc_startup,
|
|
.shutdown = &genphy_shutdown,
|
|
};
|
|
|
|
int phy_smsc_init(void)
|
|
{
|
|
phy_register(&lan8710_driver);
|
|
phy_register(&lan911x_driver);
|
|
phy_register(&lan8700_driver);
|
|
|
|
return 0;
|
|
}
|