RDMA/nes: Add support for new SFP+ PHY

Add new register settings for new SFP+ PHY/firmware.
Add new PHY to to nes_netdev_get/set_settings.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/nes/nes_hw.c

@@ -766,6 +766,7 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
 		/* init serdes 1 */
 		switch (nesadapter->phy_type[1]) {
 		case NES_PHY_TYPE_ARGUS:
+		case NES_PHY_TYPE_SFP_D:
 			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP0, 0x00000000);
 			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x00000000);
 			break;
@@ -1337,14 +1338,16 @@ int nes_init_phy(struct nes_device *nesdev)
 	}
 
 	if ((phy_type == NES_PHY_TYPE_IRIS) ||
-	    (phy_type == NES_PHY_TYPE_ARGUS)) {
+	    (phy_type == NES_PHY_TYPE_ARGUS) ||
+	    (phy_type == NES_PHY_TYPE_SFP_D)) {
 		/* setup 10G MDIO operation */
 		tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
 		tx_config &= 0xFFFFFFE3;
 		tx_config |= 0x15;
 		nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
 	}
-	if ((phy_type == NES_PHY_TYPE_ARGUS)) {
+	if ((phy_type == NES_PHY_TYPE_ARGUS) ||
+	    (phy_type == NES_PHY_TYPE_SFP_D)) {
 		/* Check firmware heartbeat */
 		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
 		temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
@@ -1358,10 +1361,15 @@ int nes_init_phy(struct nes_device *nesdev)
 		/* no heartbeat, configure the PHY */
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0x0000, 0x8000);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc300, 0x0000);
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc316, 0x000A);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc318, 0x0052);
+		if (phy_type == NES_PHY_TYPE_ARGUS) {
+			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
 			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008);
+		} else {
+			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004);
+			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038);
+		}
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001);
@@ -2442,6 +2450,7 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
 				break;
 
 			case NES_PHY_TYPE_ARGUS:
+			case NES_PHY_TYPE_SFP_D:
 				/* clear the alarms */
 				nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 4, 0x0008);
 				nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 4, 0xc001);

drivers/infiniband/hw/nes/nes_hw.h

@@ -42,6 +42,7 @@
 #define NES_PHY_TYPE_PUMA_1G   5
 #define NES_PHY_TYPE_PUMA_10G  6
 #define NES_PHY_TYPE_GLADIUS   7
+#define NES_PHY_TYPE_SFP_D     8
 
 #define NES_MULTICAST_PF_MAX 8
 

drivers/infiniband/hw/nes/nes_nic.c

@@ -1426,49 +1426,55 @@ static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd
 	struct nes_vnic *nesvnic = netdev_priv(netdev);
 	struct nes_device *nesdev = nesvnic->nesdev;
 	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	u32 mac_index = nesdev->mac_index;
+	u8 phy_type = nesadapter->phy_type[mac_index];
+	u8 phy_index = nesadapter->phy_index[mac_index];
 	u16 phy_data;
 
 	et_cmd->duplex = DUPLEX_FULL;
 	et_cmd->port   = PORT_MII;
+	et_cmd->maxtxpkt = 511;
+	et_cmd->maxrxpkt = 511;
 
 	if (nesadapter->OneG_Mode) {
 		et_cmd->speed = SPEED_1000;
-		if (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) {
+		if (phy_type == NES_PHY_TYPE_PUMA_1G) {
 			et_cmd->supported   = SUPPORTED_1000baseT_Full;
 			et_cmd->advertising = ADVERTISED_1000baseT_Full;
 			et_cmd->autoneg     = AUTONEG_DISABLE;
 			et_cmd->transceiver = XCVR_INTERNAL;
-			et_cmd->phy_address = nesdev->mac_index;
+			et_cmd->phy_address = mac_index;
 		} else {
-			et_cmd->supported   = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg;
-			et_cmd->advertising = ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg;
-			nes_read_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index], &phy_data);
+			et_cmd->supported   = SUPPORTED_1000baseT_Full
+					    | SUPPORTED_Autoneg;
+			et_cmd->advertising = ADVERTISED_1000baseT_Full
+					    | ADVERTISED_Autoneg;
+			nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
 			if (phy_data & 0x1000)
 				et_cmd->autoneg = AUTONEG_ENABLE;
 			else
 				et_cmd->autoneg = AUTONEG_DISABLE;
 			et_cmd->transceiver = XCVR_EXTERNAL;
-			et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index];
+			et_cmd->phy_address = phy_index;
 		}
-	} else {
-		if ((nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) ||
-		    (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_ARGUS)) {
+		return 0;
+	}
+	if ((phy_type == NES_PHY_TYPE_IRIS) ||
+	    (phy_type == NES_PHY_TYPE_ARGUS) ||
+	    (phy_type == NES_PHY_TYPE_SFP_D)) {
 		et_cmd->transceiver = XCVR_EXTERNAL;
 		et_cmd->port        = PORT_FIBRE;
 		et_cmd->supported   = SUPPORTED_FIBRE;
 		et_cmd->advertising = ADVERTISED_FIBRE;
-			et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index];
+		et_cmd->phy_address = phy_index;
 	} else {
 		et_cmd->transceiver = XCVR_INTERNAL;
 		et_cmd->supported   = SUPPORTED_10000baseT_Full;
 		et_cmd->advertising = ADVERTISED_10000baseT_Full;
-			et_cmd->phy_address = nesdev->mac_index;
+		et_cmd->phy_address = mac_index;
 	}
 	et_cmd->speed = SPEED_10000;
 	et_cmd->autoneg = AUTONEG_DISABLE;
-	}
-	et_cmd->maxtxpkt = 511;
-	et_cmd->maxrxpkt = 511;
 	return 0;
 }