diff --git a/drivers/net/bnx2x/bnx2x_hsi.h b/drivers/net/bnx2x/bnx2x_hsi.h
index fd1f29e..f494bc3 100644
--- a/drivers/net/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/bnx2x/bnx2x_hsi.h
@@ -120,6 +120,23 @@
 #define SHARED_HW_CFG_FAN_FAILURE_DISABLED		      0x00080000
 #define SHARED_HW_CFG_FAN_FAILURE_ENABLED		      0x00100000
 
+	/* Set the MDC/MDIO access for the first external phy */
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK	    0x1C000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT	    26
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE     0x00000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0	    0x04000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1	    0x08000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH	    0x0c000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED	    0x10000000
+
+	/* Set the MDC/MDIO access for the second external phy */
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK	    0xE0000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT	    29
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_PHY_TYPE     0x00000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_EMAC0	    0x20000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_EMAC1	    0x40000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_BOTH	    0x60000000
+#define SHARED_HW_CFG_MDC_MDIO_ACCESS2_SWAPPED	    0x80000000
 	u32 power_dissipated;					/* 0x11c */
 #define SHARED_HW_CFG_POWER_DIS_CMN_MASK	    0xff000000
 #define SHARED_HW_CFG_POWER_DIS_CMN_SHIFT	    24