ixgbe: Add X553 FW ALEF support

This patch add X553 FW ALEF support for B0.  ALEF is the new unified
FW.  This contains updated register defines for ALEF speed
configuration.  Likewise it also removes the AN_CNTL_8 usage from
the native SFI flow as it is no longer supported by FW.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c

@@ -242,6 +242,42 @@ s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
 	return IXGBE_ERR_I2C;
 }
 
+/**
+ *  ixgbe_probe_phy - Probe a single address for a PHY
+ *  @hw: pointer to hardware structure
+ *  @phy_addr: PHY address to probe
+ *
+ *  Returns true if PHY found
+ **/
+static bool ixgbe_probe_phy(struct ixgbe_hw *hw, u16 phy_addr)
+{
+	u16 ext_ability = 0;
+
+	hw->phy.mdio.prtad = phy_addr;
+	if (mdio45_probe(&hw->phy.mdio, phy_addr) != 0)
+		return false;
+
+	if (ixgbe_get_phy_id(hw))
+		return false;
+
+	hw->phy.type = ixgbe_get_phy_type_from_id(hw->phy.id);
+
+	if (hw->phy.type == ixgbe_phy_unknown) {
+		hw->phy.ops.read_reg(hw,
+				     MDIO_PMA_EXTABLE,
+				     MDIO_MMD_PMAPMD,
+				     &ext_ability);
+		if (ext_ability &
+		    (MDIO_PMA_EXTABLE_10GBT |
+		     MDIO_PMA_EXTABLE_1000BT))
+			hw->phy.type = ixgbe_phy_cu_unknown;
+		else
+			hw->phy.type = ixgbe_phy_generic;
+	}
+
+	return true;
+}
+
 /**
  *  ixgbe_identify_phy_generic - Get physical layer module
  *  @hw: pointer to hardware structure
@@ -251,7 +287,7 @@ s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
 s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
 {
 	u32 phy_addr;
-	u16 ext_ability = 0;
+	u32 status = IXGBE_ERR_PHY_ADDR_INVALID;
 
 	if (!hw->phy.phy_semaphore_mask) {
 		if (hw->bus.lan_id)
@@ -260,37 +296,34 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
 			hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
 	}
 
-	if (hw->phy.type == ixgbe_phy_unknown) {
-		for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
-			hw->phy.mdio.prtad = phy_addr;
-			if (mdio45_probe(&hw->phy.mdio, phy_addr) == 0) {
-				ixgbe_get_phy_id(hw);
-				hw->phy.type =
-					ixgbe_get_phy_type_from_id(hw->phy.id);
-
-				if (hw->phy.type == ixgbe_phy_unknown) {
-					hw->phy.ops.read_reg(hw,
-							     MDIO_PMA_EXTABLE,
-							     MDIO_MMD_PMAPMD,
-							     &ext_ability);
-					if (ext_ability &
-					    (MDIO_PMA_EXTABLE_10GBT |
-					     MDIO_PMA_EXTABLE_1000BT))
-						hw->phy.type =
-							 ixgbe_phy_cu_unknown;
-					else
-						hw->phy.type =
-							 ixgbe_phy_generic;
-				}
+	if (hw->phy.type != ixgbe_phy_unknown)
+		return 0;
 
-				return 0;
-			}
+	if (hw->phy.nw_mng_if_sel) {
+		phy_addr = (hw->phy.nw_mng_if_sel &
+			    IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
+			   IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
+		if (ixgbe_probe_phy(hw, phy_addr))
+			return 0;
+		else
+			return IXGBE_ERR_PHY_ADDR_INVALID;
+	}
+
+	for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
+		if (ixgbe_probe_phy(hw, phy_addr)) {
+			status = 0;
+			break;
 		}
-		/* indicate no PHY found */
-		hw->phy.mdio.prtad = MDIO_PRTAD_NONE;
-		return IXGBE_ERR_PHY_ADDR_INVALID;
 	}
-	return 0;
+
+	/* Certain media types do not have a phy so an address will not
+	 * be found and the code will take this path.  Caller has to
+	 * decide if it is an error or not.
+	 */
+	if (status)
+		hw->phy.mdio.prtad = MDIO_PRTAD_NONE;
+
+	return status;
 }
 
 /**
@@ -367,6 +400,7 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
 		phy_type = ixgbe_phy_nl;
 		break;
 	case X557_PHY_ID:
+	case X557_PHY_ID2:
 		phy_type = ixgbe_phy_x550em_ext_t;
 		break;
 	default:
@@ -417,8 +451,7 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
 	 */
 	for (i = 0; i < 30; i++) {
 		msleep(100);
-		hw->phy.ops.read_reg(hw, MDIO_CTRL1,
-				     MDIO_MMD_PHYXS, &ctrl);
+		hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, &ctrl);
 		if (!(ctrl & MDIO_CTRL1_RESET)) {
 			udelay(2);
 			break;
@@ -769,6 +802,7 @@ static s32 ixgbe_get_copper_speeds_supported(struct ixgbe_hw *hw)
 		hw->phy.speeds_supported |= IXGBE_LINK_SPEED_5GB_FULL;
 		break;
 	case ixgbe_mac_X550EM_x:
+	case ixgbe_mac_x550em_a:
 		hw->phy.speeds_supported &= ~IXGBE_LINK_SPEED_100_FULL;
 		break;
 	default:

drivers/net/ethernet/intel/ixgbe/ixgbe_type.h

@@ -1379,6 +1379,7 @@ struct ixgbe_thermal_sensor_data {
 #define X540_PHY_ID      0x01540200
 #define X550_PHY_ID      0x01540220
 #define X557_PHY_ID      0x01540240
+#define X557_PHY_ID2	0x01540250
 #define QT2022_PHY_ID    0x0043A400
 #define ATH_PHY_ID       0x03429050
 #define AQ_FW_REV        0x20
@@ -3604,9 +3605,25 @@ struct ixgbe_info {
 #define IXGBE_KRM_DSP_TXFFE_STATE_5(P)	((P) ? 0x8638 : 0x4638)
 #define IXGBE_KRM_RX_TRN_LINKUP_CTRL(P)	((P) ? 0x8B00 : 0x4B00)
 #define IXGBE_KRM_PMD_DFX_BURNIN(P)	((P) ? 0x8E00 : 0x4E00)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20(P)	((P) ? 0x9054 : 0x5054)
 #define IXGBE_KRM_TX_COEFF_CTRL_1(P)	((P) ? 0x9520 : 0x5520)
 #define IXGBE_KRM_RX_ANA_CTL(P)		((P) ? 0x9A00 : 0x5A00)
 
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_DA		~(0x3 << 20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_SR		BIT(20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_LR		(0x2 << 20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN		BIT(25)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN		BIT(26)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN		BIT(27)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10M		~(0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_100M		BIT(28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G		(0x2 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10G		(0x3 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN		(0x4 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_2_5G		(0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK		(0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_FW_AN_RESTART	BIT(31)
+
 #define IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_32B		BIT(9)
 #define IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_KRPCS		BIT(11)