diff options
Diffstat (limited to 'drivers/net/phy/bcm7xxx.c')
| -rw-r--r-- | drivers/net/phy/bcm7xxx.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 264b085d796b..aa01020ab1b9 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -167,6 +167,31 @@ static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev) return 0; } +static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev) +{ + /* +1 RC_CAL codes for RL centering for both LT and HT conditions */ + bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003); + + /* Cut master bias current by 2% to compensate for RC_CAL offset */ + bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b); + + /* Improve hybrid leakage */ + bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3); + + /* Change rx_on_tune 8 to 0xf */ + bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6); + + /* Change 100Tx EEE bandwidth */ + bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d); + + /* Enable ffe zero detection for Vitesse interoperability */ + bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015); + + r_rc_cal_reset(phydev); + + return 0; +} + static int bcm7xxx_28nm_config_init(struct phy_device *phydev) { u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags); @@ -174,6 +199,12 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev) u8 count; int ret = 0; + /* Newer devices have moved the revision information back into a + * standard location in MII_PHYS_ID[23] + */ + if (rev == 0) + rev = phydev->phy_id & ~phydev->drv->phy_id_mask; + pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n", phydev_name(phydev), phydev->drv->name, rev, patch); @@ -197,6 +228,9 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev) case 0x10: ret = bcm7xxx_28nm_e0_plus_afe_config_init(phydev); break; + case 0x01: + ret = bcm7xxx_28nm_a0_patch_afe_config_init(phydev); + break; default: break; } @@ -416,6 +450,7 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev) static struct phy_driver bcm7xxx_driver[] = { BCM7XXX_28NM_GPHY(PHY_ID_BCM7250, "Broadcom BCM7250"), + BCM7XXX_28NM_GPHY(PHY_ID_BCM7278, "Broadcom BCM7278"), BCM7XXX_28NM_GPHY(PHY_ID_BCM7364, "Broadcom BCM7364"), BCM7XXX_28NM_GPHY(PHY_ID_BCM7366, "Broadcom BCM7366"), BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"), @@ -430,6 +465,7 @@ static struct phy_driver bcm7xxx_driver[] = { static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = { { PHY_ID_BCM7250, 0xfffffff0, }, + { PHY_ID_BCM7278, 0xfffffff0, }, { PHY_ID_BCM7364, 0xfffffff0, }, { PHY_ID_BCM7366, 0xfffffff0, }, { PHY_ID_BCM7346, 0xfffffff0, }, |