diff options
Diffstat (limited to 'drivers/net/ethernet/ti/am65-cpsw-nuss.c')
| -rw-r--r-- | drivers/net/ethernet/ti/am65-cpsw-nuss.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 035dc0355b49..f08f0e7d00d5 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1506,9 +1506,13 @@ static void am65_cpsw_nuss_mac_config(struct phylink_config *config, unsigned in struct am65_cpsw_common *common = port->common; if (common->pdata.extra_modes & BIT(state->interface)) { - if (state->interface == PHY_INTERFACE_MODE_SGMII) + if (state->interface == PHY_INTERFACE_MODE_SGMII) { writel(ADVERTISE_SGMII, port->sgmii_base + AM65_CPSW_SGMII_MR_ADV_ABILITY_REG); + cpsw_sl_ctl_set(port->slave.mac_sl, CPSW_SL_CTL_EXT_EN); + } else { + cpsw_sl_ctl_clr(port->slave.mac_sl, CPSW_SL_CTL_EXT_EN); + } writel(AM65_CPSW_SGMII_CONTROL_MR_AN_ENABLE, port->sgmii_base + AM65_CPSW_SGMII_CONTROL_REG); @@ -1523,6 +1527,7 @@ static void am65_cpsw_nuss_mac_link_down(struct phylink_config *config, unsigned struct am65_cpsw_port *port = container_of(slave, struct am65_cpsw_port, slave); struct am65_cpsw_common *common = port->common; struct net_device *ndev = port->ndev; + u32 mac_control; int tmo; /* disable forwarding */ @@ -1534,7 +1539,14 @@ static void am65_cpsw_nuss_mac_link_down(struct phylink_config *config, unsigned dev_dbg(common->dev, "down msc_sl %08x tmo %d\n", cpsw_sl_reg_read(port->slave.mac_sl, CPSW_SL_MACSTATUS), tmo); - cpsw_sl_ctl_reset(port->slave.mac_sl); + /* All the bits that am65_cpsw_nuss_mac_link_up() can possibly set */ + mac_control = CPSW_SL_CTL_GMII_EN | CPSW_SL_CTL_GIG | CPSW_SL_CTL_IFCTL_A | + CPSW_SL_CTL_FULLDUPLEX | CPSW_SL_CTL_RX_FLOW_EN | CPSW_SL_CTL_TX_FLOW_EN; + /* If interface mode is RGMII, CPSW_SL_CTL_EXT_EN might have been set for 10 Mbps */ + if (phy_interface_mode_is_rgmii(interface)) + mac_control |= CPSW_SL_CTL_EXT_EN; + /* Only clear those bits that can be set by am65_cpsw_nuss_mac_link_up() */ + cpsw_sl_ctl_clr(port->slave.mac_sl, mac_control); am65_cpsw_qos_link_down(ndev); netif_tx_stop_all_queues(ndev); @@ -1551,10 +1563,12 @@ static void am65_cpsw_nuss_mac_link_up(struct phylink_config *config, struct phy u32 mac_control = CPSW_SL_CTL_GMII_EN; struct net_device *ndev = port->ndev; + /* Bring the port out of idle state */ + cpsw_sl_ctl_clr(port->slave.mac_sl, CPSW_SL_CTL_CMD_IDLE); + if (speed == SPEED_1000) mac_control |= CPSW_SL_CTL_GIG; - if (interface == PHY_INTERFACE_MODE_SGMII) - mac_control |= CPSW_SL_CTL_EXT_EN; + /* TODO: Verify whether in-band is necessary for 10 Mbps RGMII */ if (speed == SPEED_10 && phy_interface_mode_is_rgmii(interface)) /* Can be used with in band mode only */ mac_control |= CPSW_SL_CTL_EXT_EN; |