diff --git a/include/configs/ISPAN.h b/include/configs/ISPAN.h
index 6eb466a..c0b1d86 100644
--- a/include/configs/ISPAN.h
+++ b/include/configs/ISPAN.h
@@ -84,6 +84,10 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT		3		/* Port D */
+#define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE		MDIO_DECLARE
+
 
 #define CONFIG_SYS_MDIO_PIN		0x00040000	/* PD13 */
 #define CONFIG_SYS_MDC_PIN		0x00080000	/* PD12 */
diff --git a/include/configs/MPC8260ADS.h b/include/configs/MPC8260ADS.h
index 39b8b8f..ffd37fd 100644
--- a/include/configs/MPC8260ADS.h
+++ b/include/configs/MPC8260ADS.h
@@ -150,6 +150,9 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT	2		/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
 
 #if CONFIG_ADSTYPE == CONFIG_SYS_8272ADS
 #define CONFIG_SYS_MDIO_PIN	0x00002000	/* PC18 */
diff --git a/include/configs/MPC8266ADS.h b/include/configs/MPC8266ADS.h
index b0162c3..55d77f8 100644
--- a/include/configs/MPC8266ADS.h
+++ b/include/configs/MPC8266ADS.h
@@ -96,6 +96,10 @@
  * Port pins used for bit-banged MII communictions (if applicable).
  */
 #define MDIO_PORT	2	/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
 #define MDIO_READ	((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/MPC8560ADS.h b/include/configs/MPC8560ADS.h
index 8ddce5c..df59aca 100644
--- a/include/configs/MPC8560ADS.h
+++ b/include/configs/MPC8560ADS.h
@@ -363,6 +363,10 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT	2		/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
 #define MDIO_READ	((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/Rattler.h b/include/configs/Rattler.h
index 5b6f271..e630afef 100644
--- a/include/configs/Rattler.h
+++ b/include/configs/Rattler.h
@@ -103,6 +103,10 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT		2	/* Port C */
+#define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE		MDIO_DECLARE
+
 #define MDIO_ACTIVE		(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE		(iop->pdir &= ~0x00400000)
 #define MDIO_READ		((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/SBC8540.h b/include/configs/SBC8540.h
index 7cde39b..1989e5a 100644
--- a/include/configs/SBC8540.h
+++ b/include/configs/SBC8540.h
@@ -290,6 +290,10 @@
    * GPIO pins used for bit-banged MII communications
    */
   #define MDIO_PORT	2		/* Port C */
+  #define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+  #define MDC_DECLARE	MDIO_DECLARE
+
   #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
   #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
   #define MDIO_READ	((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/TQM8272.h b/include/configs/TQM8272.h
index 6c462af..6eaa61d 100644
--- a/include/configs/TQM8272.h
+++ b/include/configs/TQM8272.h
@@ -219,6 +219,9 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT	2		/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
 
 #if STK82xx_150
 #define CONFIG_SYS_MDIO_PIN	0x00008000	/* PC16 */
diff --git a/include/configs/VoVPN-GW.h b/include/configs/VoVPN-GW.h
index b2d75e3..3614184 100644
--- a/include/configs/VoVPN-GW.h
+++ b/include/configs/VoVPN-GW.h
@@ -124,6 +124,11 @@
 #define CONFIG_BITBANGMII
 
 #define MDIO_PORT			1		/* Port B */
+
+#define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE		MDIO_DECLARE
+
 #define CONFIG_SYS_MDIO_PIN			0x00002000	/* PB18 */
 #define CONFIG_SYS_MDC_PIN			0x00001000	/* PB19 */
 #define MDIO_ACTIVE			(iop->pdir |=  CONFIG_SYS_MDIO_PIN)
diff --git a/include/configs/ZPC1900.h b/include/configs/ZPC1900.h
index 9cda3f9..8ae765c 100644
--- a/include/configs/ZPC1900.h
+++ b/include/configs/ZPC1900.h
@@ -86,6 +86,10 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT		2	/* Port C */
+#define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE		MDIO_DECLARE
+
 #define MDIO_ACTIVE		(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE		(iop->pdir &= ~0x00400000)
 #define MDIO_READ		((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/ep8248.h b/include/configs/ep8248.h
index cb4185a..a738425 100644
--- a/include/configs/ep8248.h
+++ b/include/configs/ep8248.h
@@ -92,6 +92,7 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT		0	/* Not used - implemented in BCSR */
+
 #define MDIO_ACTIVE		(*(vu_char *)(CONFIG_SYS_BCSR + 8) &= 0xFB)
 #define MDIO_TRISTATE		(*(vu_char *)(CONFIG_SYS_BCSR + 8) |= 0x04)
 #define MDIO_READ		(*(vu_char *)(CONFIG_SYS_BCSR + 8) & 1)
diff --git a/include/configs/ep82xxm.h b/include/configs/ep82xxm.h
index 239ff67..c737f10 100644
--- a/include/configs/ep82xxm.h
+++ b/include/configs/ep82xxm.h
@@ -85,6 +85,7 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT		0	/* Not used - implemented in BCSR */
+
 #define MDIO_ACTIVE		(*(vu_char *)(CONFIG_SYS_BCSR + 8) &= 0xFB)
 #define MDIO_TRISTATE		(*(vu_char *)(CONFIG_SYS_BCSR + 8) |= 0x04)
 #define MDIO_READ		(*(vu_char *)(CONFIG_SYS_BCSR + 8) & 1)
diff --git a/include/configs/gw8260.h b/include/configs/gw8260.h
index 53a001d..9ed3846 100644
--- a/include/configs/gw8260.h
+++ b/include/configs/gw8260.h
@@ -212,6 +212,11 @@
  * Port pins used for bit-banged MII communictions (if applicable).
  */
 #define MDIO_PORT   2       /* Port C */
+
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE    (iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE  (iop->pdir &= ~0x00400000)
 #define MDIO_READ     ((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/hymod.h b/include/configs/hymod.h
index 284672b..5a282ff 100644
--- a/include/configs/hymod.h
+++ b/include/configs/hymod.h
@@ -93,6 +93,10 @@
 # define CONFIG_SYS_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB)
 
 # define MDIO_PORT		0		/* Port A */
+# define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+# define MDC_DECLARE		MDIO_DECLARE
+
 # define MDIO_DATA_PINMASK	0x00040000	/* Pin 13 */
 # define MDIO_CLCK_PINMASK	0x00080000	/* Pin 12 */
 
@@ -110,6 +114,10 @@
 # define CONFIG_SYS_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB)
 
 # define MDIO_PORT		0		/* Port A */
+# define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+# define MDC_DECLARE		MDIO_DECLARE
+
 # define MDIO_DATA_PINMASK	0x00000040	/* Pin 25 */
 # define MDIO_CLCK_PINMASK	0x00000080	/* Pin 24 */
 
@@ -127,6 +135,10 @@
 # define CONFIG_SYS_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB)
 
 # define MDIO_PORT		0		/* Port A */
+# define MDIO_DECLARE		volatile ioport_t *iop = ioport_addr ( \
+					(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+# define MDC_DECLARE		MDIO_DECLARE
+
 # define MDIO_DATA_PINMASK	0x00000100	/* Pin 23 */
 # define MDIO_CLCK_PINMASK	0x00000200	/* Pin 22 */
 
diff --git a/include/configs/muas3001.h b/include/configs/muas3001.h
index c94daa3..43f46bf 100644
--- a/include/configs/muas3001.h
+++ b/include/configs/muas3001.h
@@ -101,6 +101,10 @@
  * GPIO pins used for bit-banged MII communications
  */
 #define MDIO_PORT	0		/* Port A */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 
 #define CONFIG_SYS_MDIO_PIN	0x00200000	/* PA10 */
 #define CONFIG_SYS_MDC_PIN	0x00400000	/* PA9  */
diff --git a/include/configs/ppmc8260.h b/include/configs/ppmc8260.h
index ff7d614..f387601 100644
--- a/include/configs/ppmc8260.h
+++ b/include/configs/ppmc8260.h
@@ -182,6 +182,10 @@
  * Port pins used for bit-banged MII communictions (if applicable).
  */
 #define MDIO_PORT	2	/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
 #define MDIO_READ	((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/sacsng.h b/include/configs/sacsng.h
index 0ab6fc3..b0198aa 100644
--- a/include/configs/sacsng.h
+++ b/include/configs/sacsng.h
@@ -179,6 +179,10 @@
  */
 
 #define MDIO_PORT	2	        /* Port A=0, B=1, C=2, D=3 */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE	(iop->pdir |=  0x40000000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x40000000)
 #define MDIO_READ	((iop->pdat &  0x40000000) != 0)
diff --git a/include/configs/sbc8260.h b/include/configs/sbc8260.h
index 26ed557..3fa80a8 100644
--- a/include/configs/sbc8260.h
+++ b/include/configs/sbc8260.h
@@ -201,6 +201,10 @@
  * Port pins used for bit-banged MII communictions (if applicable).
  */
 #define MDIO_PORT	2	/* Port C */
+#define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+#define MDC_DECLARE	MDIO_DECLARE
+
 #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
 #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
 #define MDIO_READ	((iop->pdat &  0x00400000) != 0)
diff --git a/include/configs/sbc8560.h b/include/configs/sbc8560.h
index a6b15f7..dab4f80 100644
--- a/include/configs/sbc8560.h
+++ b/include/configs/sbc8560.h
@@ -293,6 +293,10 @@
    * GPIO pins used for bit-banged MII communications
    */
   #define MDIO_PORT	2		/* Port C */
+  #define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
+				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
+  #define MDC_DECLARE	MDIO_DECLARE
+
   #define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
   #define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
   #define MDIO_READ	((iop->pdat &  0x00400000) != 0)