diff --git a/board/davinci/dm355evm/dm355evm.c b/board/davinci/dm355evm/dm355evm.c
index 0a44748..87f284c 100644
--- a/board/davinci/dm355evm/dm355evm.c
+++ b/board/davinci/dm355evm/dm355evm.c
@@ -92,8 +92,8 @@
 static void nand_dm355evm_select_chip(struct mtd_info *mtd, int chip)
 {
 	struct nand_chip	*this = mtd->priv;
-	u32			wbase = (u32) this->IO_ADDR_W;
-	u32			rbase = (u32) this->IO_ADDR_R;
+	unsigned long		wbase = (unsigned long) this->IO_ADDR_W;
+	unsigned long		rbase = (unsigned long) this->IO_ADDR_R;
 
 	if (chip == 1) {
 		__set_bit(14, &wbase);