int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
-#ifdef CFG_NAND_SELECT_DEVICE
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
void board_nand_select_device(struct nand_chip *nand, int chip);
#endif