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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/drivers/net/phy/natsemi.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/drivers/net/phy/natsemi.c')
-rw-r--r-- | roms/u-boot/drivers/net/phy/natsemi.c | 119 |
1 files changed, 119 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 00000000..ea9fe833 --- /dev/null +++ b/roms/u-boot/drivers/net/phy/natsemi.c @@ -0,0 +1,119 @@ +/* + * National Semiconductor PHY drivers + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * author Andy Fleming + */ +#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 dp83865_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) +{ + genphy_update_link(phydev); + dp83865_parse_status(phydev); + + return 0; +} + + +static struct phy_driver DP83865_driver = { + .name = "NatSemi DP83865", + .uid = 0x20005c70, + .mask = 0xfffffff0, + .features = PHY_GBIT_FEATURES, + .config = &dp83865_config, + .startup = &dp83865_startup, + .shutdown = &genphy_shutdown, +}; + +int phy_natsemi_init(void) +{ + phy_register(&DP83630_driver); + phy_register(&DP83865_driver); + + return 0; +} |