diff --git a/board/rmu/rmu.c b/board/rmu/rmu.c
index 8cb03c7..e22dc52 100644
--- a/board/rmu/rmu.c
+++ b/board/rmu/rmu.c
@@ -92,7 +92,7 @@
 
 /* ------------------------------------------------------------------------- */
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 	volatile immap_t *immap = (immap_t *) CFG_IMMR;
 	volatile memctl8xx_t *memctl = &immap->im_memctl;