diff --git a/include/ioports.h b/include/ioports.h
index 8f5947f..eba9aee 100644
--- a/include/ioports.h
+++ b/include/ioports.h
@@ -25,7 +25,11 @@
  * the internal memory map aligns the above structure on
  * a 0x20 byte boundary
  */
+#ifdef CONFIG_MPC8560
+#define ioport_addr(im, idx) (ioport_t *)((uint)&((im)->im_cpm.im_cpm_iop) + ((idx)*0x20))
+#else
 #define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20))
+#endif
 
 /*
  * this structure provides configuration