+int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst);
+void nand_deselect(void);
+
+void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len);
+void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len);
+
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE