diff --git a/board/Marvell/db64460/sdram_init.c b/board/Marvell/db64460/sdram_init.c
index 1762202..f36f348 100644
--- a/board/Marvell/db64460/sdram_init.c
+++ b/board/Marvell/db64460/sdram_init.c
@@ -1737,7 +1737,7 @@
 
 /* ppcboot interface function to SDRAM init - this is where all the
  * controlling logic happens */
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 	int s0 = 0, s1 = 0;
 	int checkbank[4] = {[0 ... 3] = 0 };