+config SYS_REDUNDAND_ENVIRONMENT
+ bool "Enable redundant environment support"
+ depends on ENV_IS_IN_EEPROM || ENV_IS_IN_FLASH || ENV_IS_IN_MMC || \
+ ENV_IS_IN_NAND || ENV_IS_IN_SPI_FLASH || ENV_IS_IN_UBI
+ help
+ Normally, the environemt is stored in a single location. By
+ selecting this option, you can then define where to hold a redundant
+ copy of the environment data, so that there is a valid backup copy in
+ case there is a power failure during a "saveenv" operation.
+