diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 40f1c76..ac65c43 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -56,7 +56,7 @@ static struct tsec_info_struct tsec_info[] = {
 #ifdef CONFIG_MPC85XX_FEC
 	{
 		.regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000),
-		.miiregs = (tsec_mdio_t *)(MDIO_BASE_ADDR),
+		.miiregs = (tsec_mii_t *)(MDIO_BASE_ADDR + 0x520),
 		.devname = CONFIG_MPC85XX_FEC_NAME,
 		.phyaddr = FEC_PHY_ADDR,
 		.flags = FEC_FLAGS
@@ -71,7 +71,7 @@ static struct tsec_info_struct tsec_info[] = {
 };
 
 /* Writes the given phy's reg with value, using the specified MDIO regs */
-static void tsec_local_mdio_write(tsec_mdio_t *phyregs, uint addr,
+static void tsec_local_mdio_write(tsec_mii_t *phyregs, uint addr,
 		uint reg, uint value)
 {
 	int timeout = 1000000;
@@ -94,7 +94,7 @@ static void tsec_local_mdio_write(tsec_mdio_t *phyregs, uint addr,
  * notvalid bit cleared), and the bus to cease activity (miimind
  * busy bit cleared), and then returns the value
  */
-static uint tsec_local_mdio_read(tsec_mdio_t *phyregs, uint phyid, uint regnum)
+static uint tsec_local_mdio_read(tsec_mii_t *phyregs, uint phyid, uint regnum)
 {
 	uint value;
 
@@ -635,7 +635,7 @@ static uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
 static uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
 {
 	uint phyid;
-	tsec_mdio_t *regbase = priv->phyregs;
+	tsec_mii_t *regbase = priv->phyregs;
 	int timeout = 1000000;
 
 	for (phyid = 0; phyid < 4; phyid++) {
@@ -1444,7 +1444,7 @@ static void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
 {
 	int i;
 	uint result;
-	tsec_mdio_t *phyregs = priv->phyregs;
+	tsec_mii_t *phyregs = priv->phyregs;
 
 	out_be32(&phyregs->miimcfg, MIIMCFG_RESET);
 
diff --git a/include/tsec.h b/include/tsec.h
index 6971b47..054e5cf 100644
--- a/include/tsec.h
+++ b/include/tsec.h
@@ -19,15 +19,18 @@
 
 #include <net.h>
 #include <config.h>
+#include <asm/fsl_enet.h>
 
 #define TSEC_SIZE 		0x01000
 #define TSEC_MDIO_OFFSET	0x01000
 
+#define CONFIG_SYS_MDIO_BASE_ADDR (TSEC_BASE_ADDR + 0x520)
+
 #define STD_TSEC_INFO(num) \
 {			\
 	.regs = (tsec_t *)(TSEC_BASE_ADDR + ((num - 1) * TSEC_SIZE)), \
-	.miiregs = (tsec_mdio_t *)(MDIO_BASE_ADDR), \
-	.miiregs_sgmii = (tsec_mdio_t *)(MDIO_BASE_ADDR \
+	.miiregs = (tsec_mii_t *)(CONFIG_SYS_MDIO_BASE_ADDR), \
+	.miiregs_sgmii = (tsec_mii_t *)(CONFIG_SYS_MDIO_BASE_ADDR \
 					 + (num - 1) * TSEC_MDIO_OFFSET), \
 	.devname = CONFIG_TSEC##num##_NAME, \
 	.phyaddr = TSEC##num##_PHY_ADDR, \
@@ -37,8 +40,8 @@
 #define SET_STD_TSEC_INFO(x, num) \
 {			\
 	x.regs = (tsec_t *)(TSEC_BASE_ADDR + ((num - 1) * TSEC_SIZE)); \
-	x.miiregs = (tsec_mdio_t *)(MDIO_BASE_ADDR); \
-	x.miiregs_sgmii = (tsec_mdio_t *)(MDIO_BASE_ADDR \
+	x.miiregs = (tsec_mii_t *)(CONFIG_SYS_MDIO_BASE_ADDR); \
+	x.miiregs_sgmii = (tsec_mii_t *)(CONFIG_SYS_MDIO_BASE_ADDR \
 					  + (num - 1) * TSEC_MDIO_OFFSET); \
 	x.devname = CONFIG_TSEC##num##_NAME; \
 	x.phyaddr = TSEC##num##_PHY_ADDR; \
@@ -467,22 +470,6 @@ typedef struct tsec_hash_regs
 	uint	res2[24];
 } tsec_hash_t;
 
-typedef struct tsec_mdio {
-	uint	res1[4];
-	uint	ieventm;
-	uint	imaskm;
-	uint	res2;
-	uint	emapm;
-	uint	res3[320];
-	uint	miimcfg;	/* MII Management: Configuration */
-	uint	miimcom;	/* MII Management: Command */
-	uint	miimadd;	/* MII Management: Address */
-	uint	miimcon;	/* MII Management: Control */
-	uint	miimstat;	/* MII Management: Status */
-	uint	miimind;	/* MII Management: Indicators */
-	uint	res4[690];
-} tsec_mdio_t;
-
 typedef struct tsec
 {
 	/* General Control and Status Registers (0x2_n000) */
@@ -588,8 +575,8 @@ typedef struct tsec
 
 struct tsec_private {
 	tsec_t *regs;
-	tsec_mdio_t *phyregs;
-	tsec_mdio_t *phyregs_sgmii;
+	tsec_mii_t *phyregs;
+	tsec_mii_t *phyregs_sgmii;
 	struct phy_info *phyinfo;
 	uint phyaddr;
 	u32 flags;
@@ -648,8 +635,8 @@ struct phy_info {
 
 struct tsec_info_struct {
 	tsec_t *regs;
-	tsec_mdio_t *miiregs;
-	tsec_mdio_t *miiregs_sgmii;
+	tsec_mii_t *miiregs;
+	tsec_mii_t *miiregs_sgmii;
 	char *devname;
 	unsigned int phyaddr;
 	u32 flags;
