diff options
Diffstat (limited to 'roms/u-boot/drivers/net/phy/smsc.c')
-rw-r--r-- | roms/u-boot/drivers/net/phy/smsc.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/smsc.c b/roms/u-boot/drivers/net/phy/smsc.c new file mode 100644 index 00000000..bfd9815a --- /dev/null +++ b/roms/u-boot/drivers/net/phy/smsc.c @@ -0,0 +1,79 @@ +/* + * SMSC PHY drivers + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Base code from drivers/net/phy/davicom.c + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * author Andy Fleming + * + * Some code copied from linux kernel + * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org> + */ +#include <miiphy.h> + +/* This code does not check the partner abilities. */ +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_BASIC_FEATURES, + .config = &genphy_config_aneg, + .startup = &genphy_startup, + .shutdown = &genphy_shutdown, +}; + +int phy_smsc_init(void) +{ + phy_register(&lan8710_driver); + phy_register(&lan911x_driver); + phy_register(&lan8700_driver); + + return 0; +} |