CONFIG_MTDPARTS_DEFAULT="mtdparts=NAND:640k(bootloader),128k(env1),128k(env2),128k(dtb),6144k(kernel),-(root)"
CONFIG_CMD_UBI=y
CONFIG_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_NAND=y
CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y