diff options
Diffstat (limited to 'drivers/net/dsa/qca8k.c')
| -rw-r--r-- | drivers/net/dsa/qca8k.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 63b84789f16b..11d1c290d90f 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -673,6 +673,9 @@ qca8k_setup(struct dsa_switch *ds) /* Flush the FDB table */ qca8k_fdb_flush(priv); + /* We don't have interrupts for link changes, so we need to poll */ + ds->pcs_poll = true; + return 0; } @@ -681,7 +684,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, const struct phylink_link_state *state) { struct qca8k_priv *priv = ds->priv; - u32 reg; + u32 reg, val; switch (port) { case 0: /* 1st CPU port */ @@ -740,6 +743,34 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, case PHY_INTERFACE_MODE_1000BASEX: /* Enable SGMII on the port */ qca8k_write(priv, reg, QCA8K_PORT_PAD_SGMII_EN); + + /* Enable/disable SerDes auto-negotiation as necessary */ + val = qca8k_read(priv, QCA8K_REG_PWS); + if (phylink_autoneg_inband(mode)) + val &= ~QCA8K_PWS_SERDES_AEN_DIS; + else + val |= QCA8K_PWS_SERDES_AEN_DIS; + qca8k_write(priv, QCA8K_REG_PWS, val); + + /* Configure the SGMII parameters */ + val = qca8k_read(priv, QCA8K_REG_SGMII_CTRL); + + val |= QCA8K_SGMII_EN_PLL | QCA8K_SGMII_EN_RX | + QCA8K_SGMII_EN_TX | QCA8K_SGMII_EN_SD; + + if (dsa_is_cpu_port(ds, port)) { + /* CPU port, we're talking to the CPU MAC, be a PHY */ + val &= ~QCA8K_SGMII_MODE_CTRL_MASK; + val |= QCA8K_SGMII_MODE_CTRL_PHY; + } else if (state->interface == PHY_INTERFACE_MODE_SGMII) { + val &= ~QCA8K_SGMII_MODE_CTRL_MASK; + val |= QCA8K_SGMII_MODE_CTRL_MAC; + } else if (state->interface == PHY_INTERFACE_MODE_1000BASEX) { + val &= ~QCA8K_SGMII_MODE_CTRL_MASK; + val |= QCA8K_SGMII_MODE_CTRL_BASEX; + } + + qca8k_write(priv, QCA8K_REG_SGMII_CTRL, val); break; default: dev_err(ds->dev, "xMII mode %s not supported for port %d\n", |