+#if defined(CFG_ENV_IS_IN_NAND)
+# ifndef CFG_ENV_OFFSET
+# error "Need to define CFG_ENV_OFFSET when using CFG_ENV_IS_IN_NAND"
+# endif
+# ifndef CFG_ENV_SIZE
+# error "Need to define CFG_ENV_SIZE when using CFG_ENV_IS_IN_NAND"
+# endif
+# ifdef CFG_ENV_OFFSET_REDUND
+# define CFG_REDUNDAND_ENVIRONMENT
+# endif
+# ifdef CFG_ENV_IS_EMBEDDED
+# define ENV_IS_EMBEDDED 1
+# endif
+#endif /* CFG_ENV_IS_IN_NAND */
+