-#define CFG_MDIO_PIN 0x00002000 /* PB18 */
-#define CFG_MDC_PIN 0x00001000 /* PB19 */
-#define MDIO_ACTIVE (iop->pdir |= CFG_MDIO_PIN)
-#define MDIO_TRISTATE (iop->pdir &= ~CFG_MDIO_PIN)
-#define MDIO_READ ((iop->pdat & CFG_MDIO_PIN) != 0)
-#define MDIO(bit) if(bit) iop->pdat |= CFG_MDIO_PIN; \
- else iop->pdat &= ~CFG_MDIO_PIN
-#define MDC(bit) if(bit) iop->pdat |= CFG_MDC_PIN; \
- else iop->pdat &= ~CFG_MDC_PIN
+
+#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)
+#define MDIO_TRISTATE (iop->pdir &= ~CONFIG_SYS_MDIO_PIN)
+#define MDIO_READ ((iop->pdat & CONFIG_SYS_MDIO_PIN) != 0)
+#define MDIO(bit) if(bit) iop->pdat |= CONFIG_SYS_MDIO_PIN; \
+ else iop->pdat &= ~CONFIG_SYS_MDIO_PIN
+#define MDC(bit) if(bit) iop->pdat |= CONFIG_SYS_MDC_PIN; \
+ else iop->pdat &= ~CONFIG_SYS_MDC_PIN