diff options
| author | Wade Farnsworth <wfarnsworth@mvista.com> | 2005-10-03 22:21:33 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-03 22:21:33 -0400 |
| commit | 49a9db07abd4ac89693dbd4dcd92fcd1f30ece00 (patch) | |
| tree | 9fd0618ed25f7123671f066d2983c92fe4116e39 /drivers | |
| parent | 32b5bfab9a09b19ea9a7d902b249ebf311fd2999 (diff) | |
| download | kernel_samsung_smdk4412-49a9db07abd4ac89693dbd4dcd92fcd1f30ece00.zip kernel_samsung_smdk4412-49a9db07abd4ac89693dbd4dcd92fcd1f30ece00.tar.gz kernel_samsung_smdk4412-49a9db07abd4ac89693dbd4dcd92fcd1f30ece00.tar.bz2 | |
[PATCH] emac: add support for platform-specific unsupported PHY features
This patch adds support to the ibm_emac driver for platform-specific
unsupported PHY features.
The patch attempts to determine the highest speed and duplex when
autonegotiation is unsupported.
Signed-off-by: Wade Farnsworth <wfarnsworth@mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ibm_emac/ibm_emac_core.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c index 0de3bb9..14e9b631 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.c +++ b/drivers/net/ibm_emac/ibm_emac_core.c @@ -1875,6 +1875,9 @@ static int emac_init_device(struct ocp_device *ocpdev, struct ibm_ocp_mal *mal) rc = -ENODEV; goto bail; } + + /* Disable any PHY features not supported by the platform */ + ep->phy_mii.def->features &= ~emacdata->phy_feat_exc; /* Setup initial PHY config & startup aneg */ if (ep->phy_mii.def->ops->init) @@ -1882,6 +1885,34 @@ static int emac_init_device(struct ocp_device *ocpdev, struct ibm_ocp_mal *mal) netif_carrier_off(ndev); if (ep->phy_mii.def->features & SUPPORTED_Autoneg) ep->want_autoneg = 1; + else { + ep->want_autoneg = 0; + + /* Select highest supported speed/duplex */ + if (ep->phy_mii.def->features & SUPPORTED_1000baseT_Full) { + ep->phy_mii.speed = SPEED_1000; + ep->phy_mii.duplex = DUPLEX_FULL; + } else if (ep->phy_mii.def->features & + SUPPORTED_1000baseT_Half) { + ep->phy_mii.speed = SPEED_1000; + ep->phy_mii.duplex = DUPLEX_HALF; + } else if (ep->phy_mii.def->features & + SUPPORTED_100baseT_Full) { + ep->phy_mii.speed = SPEED_100; + ep->phy_mii.duplex = DUPLEX_FULL; + } else if (ep->phy_mii.def->features & + SUPPORTED_100baseT_Half) { + ep->phy_mii.speed = SPEED_100; + ep->phy_mii.duplex = DUPLEX_HALF; + } else if (ep->phy_mii.def->features & + SUPPORTED_10baseT_Full) { + ep->phy_mii.speed = SPEED_10; + ep->phy_mii.duplex = DUPLEX_FULL; + } else { + ep->phy_mii.speed = SPEED_10; + ep->phy_mii.duplex = DUPLEX_HALF; + } + } emac_start_link(ep, NULL); /* read the MAC Address */ |