diff --git a/board/mpl/mip405/mip405.c b/board/mpl/mip405/mip405.c
index 9e8f9bb..cf0afd1 100644
--- a/board/mpl/mip405/mip405.c
+++ b/board/mpl/mip405/mip405.c
@@ -620,7 +620,7 @@
 /* ------------------------------------------------------------------------- */
 static int test_dram (unsigned long ramsize);
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 
 	unsigned long bank_reg[4], tmp, bank_size;