+config USE_ENV_SPI_CS
+ bool "SPI flash chip select for environment"
+ depends on ENV_IS_IN_SPI_FLASH
+ help
+ Force the SPI chip select for environment.
+ If not defined, use CONFIG_SF_DEFAULT_CS.
+
+config ENV_SPI_CS
+ int "Value of SPI flash chip select for environment"
+ depends on USE_ENV_SPI_CS
+ help
+ Value of the SPI chip select for environment.
+
+config USE_ENV_SPI_MAX_HZ
+ bool "SPI flash max frequency for environment"
+ depends on ENV_IS_IN_SPI_FLASH
+ help
+ Force the SPI max work clock for environment.
+ If not defined, use CONFIG_SF_DEFAULT_SPEED.