diff --git a/board/renesas/common/rcar64-common.c b/board/renesas/common/rcar64-common.c
index 69229ea..bcb0379 100644
--- a/board/renesas/common/rcar64-common.c
+++ b/board/renesas/common/rcar64-common.c
@@ -36,6 +36,8 @@
 	return ret;
 }
 
+__weak void renesas_dram_init_banksize(void) { }
+
 int dram_init_banksize(void)
 {
 	int bank;
@@ -58,6 +60,8 @@
 		break;
 	}
 
+	renesas_dram_init_banksize();
+
 	return 0;
 }