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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/natsemi.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/net/phy/natsemi.c')
-rw-r--r-- | roms/u-boot/drivers/net/phy/natsemi.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/natsemi.c b/roms/u-boot/drivers/net/phy/natsemi.c new file mode 100644 index 000000000..efde4574d --- /dev/null +++ b/roms/u-boot/drivers/net/phy/natsemi.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * National Semiconductor PHY drivers + * + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * author Andy Fleming + */ +#include <common.h> +#include <phy.h> + +/* NatSemi DP83630 */ + +#define DP83630_PHY_PAGESEL_REG 0x13 +#define DP83630_PHY_PTP_COC_REG 0x14 +#define DP83630_PHY_PTP_CLKOUT_EN (1<<15) +#define DP83630_PHY_RBR_REG 0x17 + +static int dp83630_config(struct phy_device *phydev) +{ + int ptp_coc_reg; + + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); + phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0x6); + ptp_coc_reg = phy_read(phydev, MDIO_DEVAD_NONE, + DP83630_PHY_PTP_COC_REG); + ptp_coc_reg &= ~DP83630_PHY_PTP_CLKOUT_EN; + phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PTP_COC_REG, + ptp_coc_reg); + phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0); + + genphy_config_aneg(phydev); + + return 0; +} + +static struct phy_driver DP83630_driver = { + .name = "NatSemi DP83630", + .uid = 0x20005ce1, + .mask = 0xfffffff0, + .features = PHY_BASIC_FEATURES, + .config = &dp83630_config, + .startup = &genphy_startup, + .shutdown = &genphy_shutdown, +}; + + +/* DP83865 Link and Auto-Neg Status Register */ +#define MIIM_DP83865_LANR 0x11 +#define MIIM_DP83865_SPD_MASK 0x0018 +#define MIIM_DP83865_SPD_1000 0x0010 +#define MIIM_DP83865_SPD_100 0x0008 +#define MIIM_DP83865_DPX_FULL 0x0002 + + +/* NatSemi DP83865 */ +static int dp838xx_config(struct phy_device *phydev) +{ + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); + genphy_config_aneg(phydev); + + return 0; +} + +static int dp83865_parse_status(struct phy_device *phydev) +{ + int mii_reg; + + mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_DP83865_LANR); + + switch (mii_reg & MIIM_DP83865_SPD_MASK) { + + case MIIM_DP83865_SPD_1000: + phydev->speed = SPEED_1000; + break; + + case MIIM_DP83865_SPD_100: + phydev->speed = SPEED_100; + break; + + default: + phydev->speed = SPEED_10; + break; + + } + + if (mii_reg & MIIM_DP83865_DPX_FULL) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + return 0; +} + +static int dp83865_startup(struct phy_device *phydev) +{ + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return dp83865_parse_status(phydev); +} + + +static struct phy_driver DP83865_driver = { + .name = "NatSemi DP83865", + .uid = 0x20005c70, + .mask = 0xfffffff0, + .features = PHY_GBIT_FEATURES, + .config = &dp838xx_config, + .startup = &dp83865_startup, + .shutdown = &genphy_shutdown, +}; + +/* NatSemi DP83848 */ +static int dp83848_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 dp83848_startup(struct phy_device *phydev) +{ + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + return dp83848_parse_status(phydev); +} + +static struct phy_driver DP83848_driver = { + .name = "NatSemi DP83848", + .uid = 0x20005c90, + .mask = 0x2000ff90, + .features = PHY_BASIC_FEATURES, + .config = &dp838xx_config, + .startup = &dp83848_startup, + .shutdown = &genphy_shutdown, +}; + +int phy_natsemi_init(void) +{ + phy_register(&DP83630_driver); + phy_register(&DP83865_driver); + phy_register(&DP83848_driver); + + return 0; +} |