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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/net/phy/smsc.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/net/phy/smsc.c')
-rw-r--r-- | roms/u-boot/drivers/net/phy/smsc.c | 116 |
1 files changed, 116 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 000000000..7740a2510 --- /dev/null +++ b/roms/u-boot/drivers/net/phy/smsc.c @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * SMSC PHY drivers + * + * 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 <common.h> +#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) +{ + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return smsc_parse_status(phydev); +} + +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, +}; + +static struct phy_driver lan8740_driver = { + .name = "SMSC LAN8740", + .uid = 0x0007c110, + .mask = 0xffff0, + .features = PHY_BASIC_FEATURES, + .config = &genphy_config_aneg, + .startup = &genphy_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver lan8741_driver = { + .name = "SMSC LAN8741", + .uid = 0x0007c120, + .mask = 0xffff0, + .features = PHY_BASIC_FEATURES, + .config = &genphy_config_aneg, + .startup = &genphy_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver lan8742_driver = { + .name = "SMSC LAN8742", + .uid = 0x0007c130, + .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); + phy_register(&lan8740_driver); + phy_register(&lan8741_driver); + phy_register(&lan8742_driver); + + return 0; +} |