EEPROM which holds the environment, is reached over
a pca9547 i2c mux with address 0x70, channel 3.
+config ENV_IS_IN_FAT
+ bool "Environment is in a FAT filesystem"
+ depends on !CHAIN_OF_TRUST
+ select FAT_WRITE
+ help
+ Define this if you want to use the FAT file system for the environment.
+
+
+ - CONFIG_FAT_WRITE:
+ This must be enabled. Otherwise it cannot save the environment file.
+
config ENV_IS_IN_FLASH
bool "Environment in flash memory"
depends on !CHAIN_OF_TRUST
can just be read and written to, without any special
provision.
+config ENV_IS_IN_ONENAND
+ bool "Environment is in OneNAND"
+ depends on !CHAIN_OF_TRUST
+ help
+ Define this if you want to put your local device's environment in
+ OneNAND.
+
+ - CONFIG_ENV_ADDR:
+ - CONFIG_ENV_SIZE:
+
+ These two #defines are used to determine the device range you
+ want to use for environment. It is assumed that this memory
+ can just be read and written to, without any special
+ provision.
+
config ENV_IS_IN_REMOTE
bool "Environment is in remove memory space"
depends on !CHAIN_OF_TRUST
Define this if you don't want to or can't have an environment stored
on a storage medium
+config ENV_FAT_INTERFACE
+ string "Name of the block device for the environment"
+ depends on ENV_IS_IN_FAT
+ default "mmc" if TI_COMMON_CMD_OPTIONS || ARCH_ZYNQMP || ARCH_AT91
+ help
+ Define this to a string that is the name of the block device.
+
+config ENV_FAT_DEVICE_AND_PART
+ string "Device and partition for where to store the environemt in FAT"
+ depends on ENV_IS_IN_FAT
+ default "0:1" if TI_COMMON_CMD_OPTIONS
+ default "0:auto" if ARCH_ZYNQMP
+ default "0" if ARCH_AT91
+ help
+ Define this to a string to specify the partition of the device. It can
+ be as following:
+
+ "D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
+ - "D:P": device D partition P. Error occurs if device D has no
+ partition table.
+ - "D:0": device D.
+ - "D" or "D:": device D partition 1 if device D has partition
+ table, or the whole device D if has no partition
+ table.
+ - "D:auto": first partition in device D with bootable flag set.
+ If none, first valid partition in device D. If no
+ partition table then means device D.
+
+config ENV_FAT_FILE
+ string "Name of the FAT file to use for the environemnt"
+ depends on ENV_IS_IN_FAT
+ default "uboot.env"
+ help
+ It's a string of the FAT file name. This file use to store the
+ environment.
+
if ARCH_SUNXI
config ENV_OFFSET