diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2020-03-09 09:36:27 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-09 20:13:16 -0700 |
| commit | f213bbe8a9d6ba1d0adf424787c02f361ea78c38 (patch) | |
| tree | 4db8aadb20e33fa81a0417672d56d7bc458b57f1 /drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | |
| parent | fcb26bd2b6cab573f06e5855638368cf88e99c2b (diff) | |
net: stmmac: Integrate it with DesignWare XPCS
Adds all the necessary logic so that stmmac can be used with Synopsys
DesignWare XPCS.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index cfe5d8b73142..b2a707e2ef43 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -382,6 +382,14 @@ int stmmac_mdio_register(struct net_device *ndev) max_addr = PHY_MAX_ADDR; } + if (mdio_bus_data->has_xpcs) { + priv->hw->xpcs = mdio_xpcs_get_ops(); + if (!priv->hw->xpcs) { + err = -ENODEV; + goto bus_register_fail; + } + } + if (mdio_bus_data->needs_reset) new_bus->reset = &stmmac_mdio_reset; @@ -433,6 +441,25 @@ int stmmac_mdio_register(struct net_device *ndev) found = 1; } + /* Try to probe the XPCS by scanning all addresses. */ + if (priv->hw->xpcs) { + struct mdio_xpcs_args *xpcs = &priv->hw->xpcs_args; + int ret, mode = priv->plat->phy_interface; + max_addr = PHY_MAX_ADDR; + + xpcs->bus = new_bus; + + for (addr = 0; addr < max_addr; addr++) { + xpcs->addr = addr; + + ret = stmmac_xpcs_probe(priv, xpcs, mode); + if (!ret) { + found = 1; + break; + } + } + } + if (!found && !mdio_node) { dev_warn(dev, "No PHY found\n"); mdiobus_unregister(new_bus); |