diff options
Diffstat (limited to 'drivers/net/phy/icplus.c')
| -rw-r--r-- | drivers/net/phy/icplus.c | 100 |
1 files changed, 80 insertions, 20 deletions
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c index d4cbc2922b23..c81f136ae670 100644 --- a/drivers/net/phy/icplus.c +++ b/drivers/net/phy/icplus.c @@ -30,10 +30,17 @@ #include <asm/irq.h> #include <asm/uaccess.h> -MODULE_DESCRIPTION("ICPlus IP175C/IC1001 PHY drivers"); +MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IC1001 PHY drivers"); MODULE_AUTHOR("Michael Barkowski"); MODULE_LICENSE("GPL"); +/* IP101A/IP1001 */ +#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */ +#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */ +#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */ +#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */ +#define IP101A_APS_ON 2 /* IP101A APS Mode bit */ + static int ip175c_config_init(struct phy_device *phydev) { int err, i; @@ -42,36 +49,36 @@ static int ip175c_config_init(struct phy_device *phydev) if (full_reset_performed == 0) { /* master reset */ - err = phydev->bus->write(phydev->bus, 30, 0, 0x175c); + err = mdiobus_write(phydev->bus, 30, 0, 0x175c); if (err < 0) return err; /* ensure no bus delays overlap reset period */ - err = phydev->bus->read(phydev->bus, 30, 0); + err = mdiobus_read(phydev->bus, 30, 0); /* data sheet specifies reset period is 2 msec */ mdelay(2); /* enable IP175C mode */ - err = phydev->bus->write(phydev->bus, 29, 31, 0x175c); + err = mdiobus_write(phydev->bus, 29, 31, 0x175c); if (err < 0) return err; /* Set MII0 speed and duplex (in PHY mode) */ - err = phydev->bus->write(phydev->bus, 29, 22, 0x420); + err = mdiobus_write(phydev->bus, 29, 22, 0x420); if (err < 0) return err; /* reset switch ports */ for (i = 0; i < 5; i++) { - err = phydev->bus->write(phydev->bus, i, - MII_BMCR, BMCR_RESET); + err = mdiobus_write(phydev->bus, i, + MII_BMCR, BMCR_RESET); if (err < 0) return err; } for (i = 0; i < 5; i++) - err = phydev->bus->read(phydev->bus, i, MII_BMCR); + err = mdiobus_read(phydev->bus, i, MII_BMCR); mdelay(2); @@ -89,27 +96,61 @@ static int ip175c_config_init(struct phy_device *phydev) return 0; } -static int ip1001_config_init(struct phy_device *phydev) +static int ip1xx_reset(struct phy_device *phydev) { - int err, value; + int err, bmcr; /* Software Reset PHY */ - value = phy_read(phydev, MII_BMCR); - value |= BMCR_RESET; - err = phy_write(phydev, MII_BMCR, value); + bmcr = phy_read(phydev, MII_BMCR); + bmcr |= BMCR_RESET; + err = phy_write(phydev, MII_BMCR, bmcr); if (err < 0) return err; do { - value = phy_read(phydev, MII_BMCR); - } while (value & BMCR_RESET); + bmcr = phy_read(phydev, MII_BMCR); + } while (bmcr & BMCR_RESET); + + return err; +} + +static int ip1001_config_init(struct phy_device *phydev) +{ + int c; + + c = ip1xx_reset(phydev); + if (c < 0) + return c; + + /* Enable Auto Power Saving mode */ + c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2); + c |= IP1001_APS_ON; + if (c < 0) + return c; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + /* Additional delay (2ns) used to adjust RX clock phase + * at RGMII interface */ + c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); + c |= IP1001_PHASE_SEL_MASK; + c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c); + } + + return c; +} + +static int ip101a_config_init(struct phy_device *phydev) +{ + int c; - /* Additional delay (2ns) used to adjust RX clock phase - * at GMII/ RGMII interface */ - value = phy_read(phydev, 16); - value |= 0x3; + c = ip1xx_reset(phydev); + if (c < 0) + return c; - return phy_write(phydev, 16, value); + /* Enable Auto Power Saving mode */ + c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); + c |= IP101A_APS_ON; + return c; } static int ip175c_read_status(struct phy_device *phydev) @@ -158,6 +199,20 @@ static struct phy_driver ip1001_driver = { .driver = { .owner = THIS_MODULE,}, }; +static struct phy_driver ip101a_driver = { + .phy_id = 0x02430c54, + .name = "ICPlus IP101A", + .phy_id_mask = 0x0ffffff0, + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause | + SUPPORTED_Asym_Pause, + .config_init = &ip101a_config_init, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE,}, +}; + static int __init icplus_init(void) { int ret = 0; @@ -166,12 +221,17 @@ static int __init icplus_init(void) if (ret < 0) return -ENODEV; + ret = phy_driver_register(&ip101a_driver); + if (ret < 0) + return -ENODEV; + return phy_driver_register(&ip175c_driver); } static void __exit icplus_exit(void) { phy_driver_unregister(&ip1001_driver); + phy_driver_unregister(&ip101a_driver); phy_driver_unregister(&ip175c_driver); } |