menu "Environment"
+config ENV_SUPPORT
+ def_bool y
+
+config SAVEENV
+ def_bool y if CMD_SAVEENV
+
config ENV_IS_NOWHERE
bool "Environment is not stored"
default y if !ENV_IS_IN_EEPROM && !ENV_IS_IN_EXT4 && \
RAM, your target system will be dead.
CONFIG_ENV_ADDR_REDUND
- CONFIG_ENV_SIZE_REDUND
These settings describe a second storage area used to hold
a redundant copy of the environment data, so that there is
This value is also in units of bytes, but must also be aligned to
an MMC sector boundary.
- CONFIG_ENV_SIZE_REDUND (optional):
-
- This value need not be set, even when CONFIG_ENV_OFFSET_REDUND is
- set. If this value is set, it must be set to the same value as
- CONFIG_ENV_SIZE.
-
config ENV_IS_IN_NAND
bool "Environment in a NAND device"
depends on !CHAIN_OF_TRUST
config ENV_IS_IN_UBI
bool "Environment in a UBI volume"
depends on !CHAIN_OF_TRUST
+ depends on MTD_UBI
+ depends on CMD_UBI
help
Define this if you have an UBI volume that you want to use for the
environment. This has the benefit of wear-leveling the environment
the environment in. This will enable redundant environments in UBI.
It is assumed that both volumes are in the same MTD partition.
+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.
+
config ENV_FAT_INTERFACE
string "Name of the block device for the environment"
depends on ENV_IS_IN_FAT
- default "mmc" if ARCH_SUNXI
- default "mmc" if TI_COMMON_CMD_OPTIONS || ARCH_ZYNQMP || ARCH_AT91
+ default "mmc"
help
Define this to a string that is the name of the block device.
It's a string of the EXT4 file name. This file use to store the
environment (explicit path to the file)
-if ARCH_ROCKCHIP || ARCH_SUNXI || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || ARC || ARCH_STM32MP || ARCH_OMAP2PLUS || ARCH_AT91
+config ENV_ADDR
+ hex "Environment address"
+ depends on ENV_IS_IN_FLASH || ENV_IS_IN_NVRAM || ENV_IS_IN_ONENAND || \
+ ENV_IS_IN_REMOTE || ENV_IS_IN_SPI_FLASH
+ default 0x0 if ENV_IS_IN_SPI_FLASH
+ help
+ Offset from the start of the device (or partition)
+
+config ENV_ADDR_REDUND
+ hex "Redundant environment address"
+ depends on ENV_IS_IN_FLASH && SYS_REDUNDAND_ENVIRONMENT
+ help
+ Offset from the start of the device (or partition) of the redundant
+ environment location.
config ENV_OFFSET
- hex "Environment Offset"
- depends on (!ENV_IS_IN_UBI && !ENV_IS_NOWHERE) || ARCH_STM32MP
- default 0x3f8000 if ARCH_ROCKCHIP
+ hex "Environment offset"
+ depends on ENV_IS_IN_EEPROM || ENV_IS_IN_MMC || ENV_IS_IN_NAND || \
+ ENV_IS_IN_SPI_FLASH
+ default 0x3f8000 if ARCH_ROCKCHIP && ENV_IS_IN_MMC
+ default 0x140000 if ARCH_ROCKCHIP && ENV_IS_IN_SPI_FLASH
default 0x88000 if ARCH_SUNXI
default 0xE0000 if ARCH_ZYNQ
default 0x1E00000 if ARCH_ZYNQMP
+ default 0x7F40000 if ARCH_VERSAL
default 0 if ARC
default 0x140000 if ARCH_AT91
default 0x260000 if ARCH_OMAP2PLUS
+ default 0x1080000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH
help
Offset from the start of the device (or partition)
+config ENV_OFFSET_REDUND
+ hex "Redundant environment offset"
+ depends on (ENV_IS_IN_EEPROM || ENV_IS_IN_MMC || ENV_IS_IN_NAND || \
+ ENV_IS_IN_SPI_FLASH) && SYS_REDUNDAND_ENVIRONMENT
+ help
+ Offset from the start of the device (or partition) of the redundant
+ environment location.
+
config ENV_SIZE
hex "Environment Size"
default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP
default 0x20000 if ARCH_SUNXI || ARCH_ZYNQ || ARCH_OMAP2PLUS || ARCH_AT91
- default 0x8000 if ARCH_ROCKCHIP || ARCH_ZYNQMP || ARCH_VERSAL
+ default 0x8000 if ARCH_ROCKCHIP && ENV_IS_IN_MMC
+ default 0x2000 if ARCH_ROCKCHIP && ENV_IS_IN_SPI_FLASH
+ default 0x8000 if ARCH_ZYNQMP || ARCH_VERSAL
default 0x4000 if ARC
default 0x1f000
help
config ENV_SECT_SIZE
hex "Environment Sector-Size"
- depends on (!ENV_IS_NOWHERE && (ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_OMAP2PLUS || ARCH_AT91) )|| ARCH_STM32MP
- default 0x40000 if ARCH_ZYNQMP
+ depends on ENV_IS_IN_FLASH || ENV_IS_IN_SPI_FLASH
+ default 0x2000 if ARCH_ROCKCHIP
+ default 0x40000 if ARCH_ZYNQMP || ARCH_VERSAL
default 0x20000 if ARCH_ZYNQ || ARCH_OMAP2PLUS || ARCH_AT91
+ default 0x20000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH
help
Size of the sector containing the environment.
config ENV_UBI_VOLUME_REDUND
string "UBI redundant volume name"
- depends on ENV_IS_IN_UBI
+ depends on ENV_IS_IN_UBI && SYS_REDUNDAND_ENVIRONMENT
help
Name of the redundant volume that you want to store the environment in.
help
UBI VID offset for environment. If 0, no custom VID offset is used.
-endif
+config SYS_RELOC_GD_ENV_ADDR
+ bool "Relocate gd->en_addr"
+ help
+ Relocate the early env_addr pointer so we know it is not inside
+ the binary. Some systems need this and for the rest, it doesn't hurt.
config USE_DEFAULT_ENV_FILE
bool "Create default environment from file"
run-time determined information about the hardware to the
environment. These will be named board_name, board_rev.
+config DELAY_ENVIRONMENT
+ bool "Delay environment loading"
+ depends on !OF_CONTROL
+ help
+ Enable this to inhibit loading the environment during board
+ initialization. This can address the security risk of untrusted data
+ being used during boot. Normally the environment is loaded when the
+ board is initialised so that it is available to U-Boot. This inhibits
+ that so that the environment is not available until explicitly loaded
+ later by U-Boot code. With CONFIG_OF_CONTROL this is instead
+ controlled by the value of /config/load-environment.
+
if SPL_ENV_SUPPORT
config SPL_ENV_IS_NOWHERE
bool "SPL Environment is not stored"
projects / oweals / u-boot.git / blobdiff