int status;
int phy_id = efx->mii.phy_id;
+ if (LOOPBACK_INTERNAL(efx))
+ return 0;
+
/* Read MMD STATUS2 to check it is responding. */
status = mdio_clause45_read(efx, phy_id, mmd, MDIO_MMDREG_STAT2);
if (((status >> MDIO_MMDREG_STAT2_PRESENT_LBN) &
return 0;
}
-int mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
+bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
{
int phy_id = efx->mii.phy_id;
int status;
- int ok = 1;
+ bool ok = true;
int mmd = 0;
- int good;
+
+ /* If the port is in loopback, then we should only consider a subset
+ * of mmd's */
+ if (LOOPBACK_INTERNAL(efx))
+ return true;
+ else if (efx->loopback_mode == LOOPBACK_NETWORK)
+ return false;
+ else if (efx_phy_mode_disabled(efx->phy_mode))
+ return false;
+ else if (efx->loopback_mode == LOOPBACK_PHYXS)
+ mmd_mask &= ~(MDIO_MMDREG_DEVS0_PHYXS |
+ MDIO_MMDREG_DEVS0_PCS |
+ MDIO_MMDREG_DEVS0_PMAPMD);
+ else if (efx->loopback_mode == LOOPBACK_PCS)
+ mmd_mask &= ~(MDIO_MMDREG_DEVS0_PCS |
+ MDIO_MMDREG_DEVS0_PMAPMD);
+ else if (efx->loopback_mode == LOOPBACK_PMAPMD)
+ mmd_mask &= ~MDIO_MMDREG_DEVS0_PMAPMD;
while (mmd_mask) {
if (mmd_mask & 1) {
status = mdio_clause45_read(efx, phy_id,
mmd, MDIO_MMDREG_STAT1);
- good = status & (1 << MDIO_MMDREG_STAT1_LINK_LBN);
- ok = ok && good;
+ ok = ok && (status & (1 << MDIO_MMDREG_STAT1_LINK_LBN));
}
mmd_mask = (mmd_mask >> 1);
mmd++;
return ok;
}
+void mdio_clause45_transmit_disable(struct efx_nic *efx)
+{
+ int phy_id = efx->mii.phy_id;
+ int ctrl1, ctrl2;
+
+ ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+ MDIO_MMDREG_TXDIS);
+ if (efx->phy_mode & PHY_MODE_TX_DISABLED)
+ ctrl2 |= (1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
+ else
+ ctrl1 &= ~(1 << MDIO_MMDREG_TXDIS_GLOBAL_LBN);
+ if (ctrl1 != ctrl2)
+ mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+ MDIO_MMDREG_TXDIS, ctrl2);
+}
+
+void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
+{
+ int phy_id = efx->mii.phy_id;
+ int ctrl1, ctrl2;
+
+ /* Handle (with debouncing) PMA/PMD loopback */
+ ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+ MDIO_MMDREG_CTRL1);
+
+ if (efx->loopback_mode == LOOPBACK_PMAPMD)
+ ctrl2 |= (1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
+ else
+ ctrl2 &= ~(1 << MDIO_PMAPMD_CTRL1_LBACK_LBN);
+
+ if (ctrl1 != ctrl2)
+ mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+ MDIO_MMDREG_CTRL1, ctrl2);
+
+ /* Handle (with debouncing) PCS loopback */
+ ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PCS,
+ MDIO_MMDREG_CTRL1);
+ if (efx->loopback_mode == LOOPBACK_PCS)
+ ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+ else
+ ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+
+ if (ctrl1 != ctrl2)
+ mdio_clause45_write(efx, phy_id, MDIO_MMD_PCS,
+ MDIO_MMDREG_CTRL1, ctrl2);
+
+ /* Handle (with debouncing) PHYXS network loopback */
+ ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
+ MDIO_MMDREG_CTRL1);
+ if (efx->loopback_mode == LOOPBACK_NETWORK)
+ ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+ else
+ ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LBACK_LBN);
+
+ if (ctrl1 != ctrl2)
+ mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
+ MDIO_MMDREG_CTRL1, ctrl2);
+}
+
/**
* mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
* @efx: Efx NIC