diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/pcs/pcs-xpcs.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index 8ca7592b02ec..743b53734eeb 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -690,7 +690,7 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable) } EXPORT_SYMBOL_GPL(xpcs_config_eee); -static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs) +static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode) { int ret; @@ -726,7 +726,10 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs) if (ret < 0) return ret; - ret |= DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW; + if (phylink_autoneg_inband(mode)) + ret |= DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW; + else + ret &= ~DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW; return xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_DIG_CTRL1, ret); } @@ -772,7 +775,7 @@ static int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, } break; case DW_AN_C37_SGMII: - ret = xpcs_config_aneg_c37_sgmii(xpcs); + ret = xpcs_config_aneg_c37_sgmii(xpcs, mode); if (ret) return ret; break; @@ -905,6 +908,36 @@ static void xpcs_get_state(struct phylink_pcs *pcs, } } +static void xpcs_link_up_sgmii(struct dw_xpcs *xpcs, unsigned int mode, + int speed, int duplex) +{ + int val, ret; + + if (phylink_autoneg_inband(mode)) + return; + + switch (speed) { + case SPEED_1000: + val = BMCR_SPEED1000; + break; + case SPEED_100: + val = BMCR_SPEED100; + break; + case SPEED_10: + val = BMCR_SPEED10; + break; + default: + return; + } + + if (duplex == DUPLEX_FULL) + val |= BMCR_FULLDPLX; + + ret = xpcs_write(xpcs, MDIO_MMD_VEND2, MDIO_CTRL1, val); + if (ret) + pr_err("%s: xpcs_write returned %pe\n", __func__, ERR_PTR(ret)); +} + static void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode, phy_interface_t interface, int speed, int duplex) { @@ -912,6 +945,8 @@ static void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode, if (interface == PHY_INTERFACE_MODE_USXGMII) return xpcs_config_usxgmii(xpcs, speed); + if (interface == PHY_INTERFACE_MODE_SGMII) + return xpcs_link_up_sgmii(xpcs, mode, speed, duplex); } static u32 xpcs_get_id(struct dw_xpcs *xpcs) |