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https://github.com/AsahiLinux/u-boot
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cc5f552283
Micrel accidentally used the same part number for the KS8721 and KSZ9021. So, both cannot be in the same build of u-boot. Add a config option to handle this. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com>
149 lines
4.2 KiB
C
149 lines
4.2 KiB
C
/*
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* Micrel 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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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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* author Andy Fleming
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*
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*/
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#include <config.h>
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#include <common.h>
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#include <micrel.h>
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#include <phy.h>
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static struct phy_driver KSZ804_driver = {
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.name = "Micrel KSZ804",
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.uid = 0x221510,
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.mask = 0xfffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config,
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.startup = &genphy_startup,
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.shutdown = &genphy_shutdown,
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};
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#ifndef CONFIG_PHY_MICREL_KSZ9021
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/*
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* I can't believe Micrel used the exact same part number
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* for the KSZ9021
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* Shame Micrel, Shame!!!!!
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*/
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static struct phy_driver KS8721_driver = {
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.name = "Micrel KS8721BL",
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.uid = 0x221610,
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.mask = 0xfffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &genphy_config,
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.startup = &genphy_startup,
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.shutdown = &genphy_shutdown,
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};
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#endif
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#ifdef CONFIG_PHY_MICREL_KSZ9021
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/* ksz9021 PHY Registers */
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#define MII_KSZ9021_EXTENDED_CTRL 0x0b
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#define MII_KSZ9021_EXTENDED_DATAW 0x0c
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#define MII_KSZ9021_EXTENDED_DATAR 0x0d
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#define MII_KSZ9021_PHY_CTL 0x1f
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#define MIIM_KSZ9021_PHYCTL_1000 (1 << 6)
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#define MIIM_KSZ9021_PHYCTL_100 (1 << 5)
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#define MIIM_KSZ9021_PHYCTL_10 (1 << 4)
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#define MIIM_KSZ9021_PHYCTL_DUPLEX (1 << 3)
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#define CTRL1000_PREFER_MASTER (1 << 10)
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#define CTRL1000_CONFIG_MASTER (1 << 11)
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#define CTRL1000_MANUAL_CONFIG (1 << 12)
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int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val)
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{
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/* extended registers */
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phy_write(phydev, MDIO_DEVAD_NONE,
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MII_KSZ9021_EXTENDED_CTRL, regnum | 0x8000);
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return phy_write(phydev, MDIO_DEVAD_NONE,
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MII_KSZ9021_EXTENDED_DATAW, val);
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}
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int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum)
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{
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/* extended registers */
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phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_CTRL, regnum);
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return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_DATAR);
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}
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/* Micrel ksz9021 */
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static int ksz9021_config(struct phy_device *phydev)
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{
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unsigned ctrl1000 = 0;
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const unsigned master = CTRL1000_PREFER_MASTER |
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CTRL1000_CONFIG_MASTER | CTRL1000_MANUAL_CONFIG;
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unsigned features = phydev->drv->features;
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if (getenv("disable_giga"))
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features &= ~(SUPPORTED_1000baseT_Half |
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SUPPORTED_1000baseT_Full);
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/* force master mode for 1000BaseT due to chip errata */
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if (features & SUPPORTED_1000baseT_Half)
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ctrl1000 |= ADVERTISE_1000HALF | master;
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if (features & SUPPORTED_1000baseT_Full)
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ctrl1000 |= ADVERTISE_1000FULL | master;
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phydev->advertising = phydev->supported = features;
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phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, ctrl1000);
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genphy_config_aneg(phydev);
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genphy_restart_aneg(phydev);
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return 0;
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}
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static int ksz9021_startup(struct phy_device *phydev)
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{
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unsigned phy_ctl;
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genphy_update_link(phydev);
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phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_PHY_CTL);
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if (phy_ctl & MIIM_KSZ9021_PHYCTL_DUPLEX)
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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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if (phy_ctl & MIIM_KSZ9021_PHYCTL_1000)
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phydev->speed = SPEED_1000;
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else if (phy_ctl & MIIM_KSZ9021_PHYCTL_100)
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phydev->speed = SPEED_100;
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else if (phy_ctl & MIIM_KSZ9021_PHYCTL_10)
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phydev->speed = SPEED_10;
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return 0;
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}
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static struct phy_driver ksz9021_driver = {
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.name = "Micrel ksz9021",
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.uid = 0x221610,
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.mask = 0xfffff0,
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.features = PHY_GBIT_FEATURES,
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.config = &ksz9021_config,
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.startup = &ksz9021_startup,
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.shutdown = &genphy_shutdown,
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};
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#endif
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int phy_micrel_init(void)
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{
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phy_register(&KSZ804_driver);
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#ifdef CONFIG_PHY_MICREL_KSZ9021
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phy_register(&ksz9021_driver);
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#else
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phy_register(&KS8721_driver);
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#endif
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return 0;
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}
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