659 lines
20 KiB
Plaintext
659 lines
20 KiB
Plaintext
menu "Environment"
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config ENV_IS_NOWHERE
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bool "Environment is not stored"
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depends on !ENV_IS_IN_EEPROM
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depends on !ENV_IS_IN_EXT4
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depends on !ENV_IS_IN_FAT
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depends on !ENV_IS_IN_FLASH
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depends on !ENV_IS_IN_MMC
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depends on !ENV_IS_IN_NAND
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depends on !ENV_IS_IN_NVRAM
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depends on !ENV_IS_IN_ONENAND
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depends on !ENV_IS_IN_REMOTE
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depends on !ENV_IS_IN_SPI_FLASH
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depends on !ENV_IS_IN_UBI
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default y
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help
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Define this if you don't want to or can't have an environment stored
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on a storage medium. In this case the environment will still exist
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while U-Boot is running, but once U-Boot exits it will not be
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stored. U-Boot will therefore always start up with a default
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environment.
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config ENV_IS_IN_EEPROM
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bool "Environment in EEPROM"
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depends on !CHAIN_OF_TRUST
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help
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Use this if you have an EEPROM or similar serial access
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device and a driver for it.
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- CONFIG_ENV_OFFSET:
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- CONFIG_ENV_SIZE:
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These two #defines specify the offset and size of the
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environment area within the total memory of your EEPROM.
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Note that we consider the length of the address field to
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still be one byte because the extra address bits are hidden
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in the chip address.
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- CONFIG_ENV_EEPROM_IS_ON_I2C
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define this, if you have I2C and SPI activated, and your
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EEPROM, which holds the environment, is on the I2C bus.
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- CONFIG_I2C_ENV_EEPROM_BUS
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if you have an Environment on an EEPROM reached over
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I2C muxes, you can define here, how to reach this
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EEPROM. For example:
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#define CONFIG_I2C_ENV_EEPROM_BUS 1
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EEPROM which holds the environment, is reached over
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a pca9547 i2c mux with address 0x70, channel 3.
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config ENV_IS_IN_FAT
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bool "Environment is in a FAT filesystem"
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depends on !CHAIN_OF_TRUST
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default y if ARCH_BCM283X
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default y if ARCH_SUNXI && MMC
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default y if MMC_OMAP_HS && TI_COMMON_CMD_OPTIONS
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select FS_FAT
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select FAT_WRITE
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help
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Define this if you want to use the FAT file system for the environment.
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config ENV_IS_IN_EXT4
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bool "Environment is in a EXT4 filesystem"
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depends on !CHAIN_OF_TRUST
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select EXT4_WRITE
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help
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Define this if you want to use the EXT4 file system for the environment.
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config ENV_IS_IN_FLASH
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bool "Environment in flash memory"
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depends on !CHAIN_OF_TRUST
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default y if ARCH_CINTEGRATOR
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default y if ARCH_INTEGRATOR_CP
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default y if M548x || M547x || M5282 || MCF547x_8x
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default y if MCF532x || MCF52x2
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default y if MPC86xx || MPC83xx
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default y if ARCH_MPC8572 || ARCH_MPC8548 || ARCH_MPC8641
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default y if SH && !CPU_SH4
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help
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Define this if you have a flash device which you want to use for the
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environment.
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a) The environment occupies one whole flash sector, which is
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"embedded" in the text segment with the U-Boot code. This
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happens usually with "bottom boot sector" or "top boot
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sector" type flash chips, which have several smaller
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sectors at the start or the end. For instance, such a
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layout can have sector sizes of 8, 2x4, 16, Nx32 kB. In
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such a case you would place the environment in one of the
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4 kB sectors - with U-Boot code before and after it. With
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"top boot sector" type flash chips, you would put the
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environment in one of the last sectors, leaving a gap
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between U-Boot and the environment.
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CONFIG_ENV_OFFSET:
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Offset of environment data (variable area) to the
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beginning of flash memory; for instance, with bottom boot
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type flash chips the second sector can be used: the offset
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for this sector is given here.
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CONFIG_ENV_OFFSET is used relative to CONFIG_SYS_FLASH_BASE.
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CONFIG_ENV_ADDR:
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This is just another way to specify the start address of
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the flash sector containing the environment (instead of
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CONFIG_ENV_OFFSET).
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CONFIG_ENV_SECT_SIZE:
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Size of the sector containing the environment.
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b) Sometimes flash chips have few, equal sized, BIG sectors.
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In such a case you don't want to spend a whole sector for
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the environment.
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CONFIG_ENV_SIZE:
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If you use this in combination with CONFIG_ENV_IS_IN_FLASH
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and CONFIG_ENV_SECT_SIZE, you can specify to use only a part
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of this flash sector for the environment. This saves
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memory for the RAM copy of the environment.
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It may also save flash memory if you decide to use this
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when your environment is "embedded" within U-Boot code,
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since then the remainder of the flash sector could be used
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for U-Boot code. It should be pointed out that this is
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STRONGLY DISCOURAGED from a robustness point of view:
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updating the environment in flash makes it always
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necessary to erase the WHOLE sector. If something goes
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wrong before the contents has been restored from a copy in
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RAM, your target system will be dead.
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CONFIG_ENV_ADDR_REDUND
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CONFIG_ENV_SIZE_REDUND
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These settings describe a second storage area used to hold
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a redundant copy of the environment data, so that there is
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a valid backup copy in case there is a power failure during
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a "saveenv" operation.
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BE CAREFUL! Any changes to the flash layout, and some changes to the
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source code will make it necessary to adapt <board>/u-boot.lds*
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accordingly!
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config ENV_IS_IN_MMC
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bool "Environment in an MMC device"
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depends on !CHAIN_OF_TRUST
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depends on MMC
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default y if ARCH_EXYNOS4
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default y if MX6SX || MX7D
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default y if TEGRA30 || TEGRA124
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default y if TEGRA_ARMV8_COMMON
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help
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Define this if you have an MMC device which you want to use for the
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environment.
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CONFIG_SYS_MMC_ENV_DEV:
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Specifies which MMC device the environment is stored in.
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CONFIG_SYS_MMC_ENV_PART (optional):
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Specifies which MMC partition the environment is stored in. If not
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set, defaults to partition 0, the user area. Common values might be
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1 (first MMC boot partition), 2 (second MMC boot partition).
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CONFIG_ENV_OFFSET:
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CONFIG_ENV_SIZE:
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These two #defines specify the offset and size of the environment
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area within the specified MMC device.
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If offset is positive (the usual case), it is treated as relative to
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the start of the MMC partition. If offset is negative, it is treated
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as relative to the end of the MMC partition. This can be useful if
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your board may be fitted with different MMC devices, which have
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different sizes for the MMC partitions, and you always want the
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environment placed at the very end of the partition, to leave the
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maximum possible space before it, to store other data.
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These two values are in units of bytes, but must be aligned to an
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MMC sector boundary.
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CONFIG_ENV_OFFSET_REDUND (optional):
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Specifies a second storage area, of CONFIG_ENV_SIZE size, used to
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hold a redundant copy of the environment data. This provides a
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valid backup copy in case the other copy is corrupted, e.g. due
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to a power failure during a "saveenv" operation.
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This value may also be positive or negative; this is handled in the
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same way as CONFIG_ENV_OFFSET.
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This value is also in units of bytes, but must also be aligned to
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an MMC sector boundary.
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CONFIG_ENV_SIZE_REDUND (optional):
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This value need not be set, even when CONFIG_ENV_OFFSET_REDUND is
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set. If this value is set, it must be set to the same value as
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CONFIG_ENV_SIZE.
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config ENV_IS_IN_NAND
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bool "Environment in a NAND device"
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depends on !CHAIN_OF_TRUST
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help
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Define this if you have a NAND device which you want to use for the
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environment.
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- CONFIG_ENV_OFFSET:
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- CONFIG_ENV_SIZE:
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These two #defines specify the offset and size of the environment
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area within the first NAND device. CONFIG_ENV_OFFSET must be
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aligned to an erase block boundary.
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- CONFIG_ENV_OFFSET_REDUND (optional):
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This setting describes a second storage area of CONFIG_ENV_SIZE
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size used to hold a redundant copy of the environment data, so
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that there is a valid backup copy in case there is a power failure
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during a "saveenv" operation. CONFIG_ENV_OFFSET_REDUND must be
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aligned to an erase block boundary.
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- CONFIG_ENV_RANGE (optional):
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Specifies the length of the region in which the environment
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can be written. This should be a multiple of the NAND device's
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block size. Specifying a range with more erase blocks than
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are needed to hold CONFIG_ENV_SIZE allows bad blocks within
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the range to be avoided.
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- CONFIG_ENV_OFFSET_OOB (optional):
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Enables support for dynamically retrieving the offset of the
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environment from block zero's out-of-band data. The
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"nand env.oob" command can be used to record this offset.
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Currently, CONFIG_ENV_OFFSET_REDUND is not supported when
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using CONFIG_ENV_OFFSET_OOB.
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config ENV_IS_IN_NVRAM
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bool "Environment in a non-volatile RAM"
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depends on !CHAIN_OF_TRUST
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help
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Define this if you have some non-volatile memory device
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(NVRAM, battery buffered SRAM) which you want to use for the
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environment.
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- CONFIG_ENV_ADDR:
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- CONFIG_ENV_SIZE:
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These two #defines are used to determine the memory area you
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want to use for environment. It is assumed that this memory
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can just be read and written to, without any special
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provision.
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config ENV_IS_IN_ONENAND
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bool "Environment is in OneNAND"
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depends on !CHAIN_OF_TRUST
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help
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Define this if you want to put your local device's environment in
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OneNAND.
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- CONFIG_ENV_ADDR:
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- CONFIG_ENV_SIZE:
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These two #defines are used to determine the device range you
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want to use for environment. It is assumed that this memory
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can just be read and written to, without any special
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provision.
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config ENV_IS_IN_REMOTE
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bool "Environment is in remote memory space"
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depends on !CHAIN_OF_TRUST
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help
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Define this if you have a remote memory space which you
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want to use for the local device's environment.
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- CONFIG_ENV_ADDR:
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- CONFIG_ENV_SIZE:
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These two #defines specify the address and size of the
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environment area within the remote memory space. The
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local device can get the environment from remote memory
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space by SRIO or PCIE links.
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config ENV_IS_IN_SPI_FLASH
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bool "Environment is in SPI flash"
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depends on !CHAIN_OF_TRUST
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default y if ARMADA_XP
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default y if INTEL_BAYTRAIL
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default y if INTEL_BRASWELL
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default y if INTEL_BROADWELL
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default y if NORTHBRIDGE_INTEL_IVYBRIDGE
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default y if INTEL_QUARK
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default y if INTEL_QUEENSBAY
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help
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Define this if you have a SPI Flash memory device which you
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want to use for the environment.
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- CONFIG_ENV_OFFSET:
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- CONFIG_ENV_SIZE:
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These two #defines specify the offset and size of the
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environment area within the SPI Flash. CONFIG_ENV_OFFSET must be
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aligned to an erase sector boundary.
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- CONFIG_ENV_SECT_SIZE:
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Define the SPI flash's sector size.
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- CONFIG_ENV_OFFSET_REDUND (optional):
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This setting describes a second storage area of CONFIG_ENV_SIZE
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size used to hold a redundant copy of the environment data, so
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that there is a valid backup copy in case there is a power failure
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during a "saveenv" operation. CONFIG_ENV_OFFSET_REDUND must be
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aligned to an erase sector boundary.
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config USE_ENV_SPI_BUS
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bool "SPI flash bus for environment"
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depends on ENV_IS_IN_SPI_FLASH
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help
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Force the SPI bus for environment.
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If not defined, use CONFIG_SF_DEFAULT_BUS.
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config ENV_SPI_BUS
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int "Value of SPI flash bus for environment"
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depends on USE_ENV_SPI_BUS
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help
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Value the SPI bus and chip select for environment.
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config USE_ENV_SPI_CS
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bool "SPI flash chip select for environment"
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depends on ENV_IS_IN_SPI_FLASH
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help
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Force the SPI chip select for environment.
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If not defined, use CONFIG_SF_DEFAULT_CS.
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config ENV_SPI_CS
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int "Value of SPI flash chip select for environment"
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depends on USE_ENV_SPI_CS
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help
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Value of the SPI chip select for environment.
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config USE_ENV_SPI_MAX_HZ
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bool "SPI flash bus for environment"
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depends on ENV_IS_IN_SPI_FLASH
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help
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Force the SPI max work clock for environment.
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If not defined, use CONFIG_SF_DEFAULT_SPEED.
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config ENV_SPI_MAX_HZ
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int "Value of SPI flash max work for environment"
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depends on USE_ENV_SPI_MAX_HZ
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help
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Value of the SPI max work clock for environment.
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config USE_ENV_SPI_MODE
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bool "SPI flash mode for environment"
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depends on ENV_IS_IN_SPI_FLASH
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help
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Force the SPI work mode for environment.
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config ENV_SPI_MODE
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hex "Value of SPI flash work mode for environment"
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depends on USE_ENV_SPI_MODE
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help
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Value of the SPI work mode for environment.
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See include/spi.h for value.
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config ENV_IS_IN_UBI
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bool "Environment in a UBI volume"
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depends on !CHAIN_OF_TRUST
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help
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Define this if you have an UBI volume that you want to use for the
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environment. This has the benefit of wear-leveling the environment
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accesses, which is important on NAND.
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- CONFIG_ENV_UBI_PART:
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Define this to a string that is the mtd partition containing the UBI.
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- CONFIG_ENV_UBI_VOLUME:
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Define this to the name of the volume that you want to store the
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environment in.
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- CONFIG_ENV_UBI_VOLUME_REDUND:
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Define this to the name of another volume to store a second copy of
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the environment in. This will enable redundant environments in UBI.
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It is assumed that both volumes are in the same MTD partition.
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config ENV_FAT_INTERFACE
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string "Name of the block device for the environment"
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depends on ENV_IS_IN_FAT
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default "mmc" if ARCH_SUNXI
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default "mmc" if TI_COMMON_CMD_OPTIONS || ARCH_ZYNQMP || ARCH_AT91
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help
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Define this to a string that is the name of the block device.
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config ENV_FAT_DEVICE_AND_PART
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string "Device and partition for where to store the environemt in FAT"
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depends on ENV_IS_IN_FAT
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default "0:1" if TI_COMMON_CMD_OPTIONS
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default "0:auto" if ARCH_ZYNQMP
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default "0:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA = -1
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default "1:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA != -1
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default "0" if ARCH_AT91
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help
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Define this to a string to specify the partition of the device. It can
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be as following:
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"D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
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- "D:P": device D partition P. Error occurs if device D has no
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partition table.
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- "D:0": device D.
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- "D" or "D:": device D partition 1 if device D has partition
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table, or the whole device D if has no partition
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table.
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- "D:auto": first partition in device D with bootable flag set.
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If none, first valid partition in device D. If no
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partition table then means device D.
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config ENV_FAT_FILE
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string "Name of the FAT file to use for the environment"
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depends on ENV_IS_IN_FAT
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default "uboot.env"
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help
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It's a string of the FAT file name. This file use to store the
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environment.
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config ENV_EXT4_INTERFACE
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string "Name of the block device for the environment"
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depends on ENV_IS_IN_EXT4
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help
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Define this to a string that is the name of the block device.
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config ENV_EXT4_DEVICE_AND_PART
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string "Device and partition for where to store the environemt in EXT4"
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depends on ENV_IS_IN_EXT4
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help
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Define this to a string to specify the partition of the device. It can
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be as following:
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"D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
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- "D:P": device D partition P. Error occurs if device D has no
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partition table.
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- "D:0": device D.
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- "D" or "D:": device D partition 1 if device D has partition
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table, or the whole device D if has no partition
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table.
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- "D:auto": first partition in device D with bootable flag set.
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If none, first valid partition in device D. If no
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partition table then means device D.
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config ENV_EXT4_FILE
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string "Name of the EXT4 file to use for the environment"
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depends on ENV_IS_IN_EXT4
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default "uboot.env"
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help
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It's a string of the EXT4 file name. This file use to store the
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environment (explicit path to the file)
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if ARCH_ROCKCHIP || ARCH_SUNXI || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || ARC
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config ENV_OFFSET
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hex "Environment Offset"
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depends on !ENV_IS_IN_UBI
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depends on !ENV_IS_NOWHERE
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default 0x3f8000 if ARCH_ROCKCHIP
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default 0x88000 if ARCH_SUNXI
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default 0xE0000 if ARCH_ZYNQ
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default 0x1E00000 if ARCH_ZYNQMP
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default 0 if ARC
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help
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Offset from the start of the device (or partition)
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config ENV_SIZE
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hex "Environment Size"
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default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP
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default 0x20000 if ARCH_SUNXI || ARCH_ZYNQ
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default 0x8000 if ARCH_ROCKCHIP || ARCH_ZYNQMP || ARCH_VERSAL
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default 0x4000 if ARC
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help
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Size of the environment storage area
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config ENV_SECT_SIZE
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hex "Environment Sector-Size"
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depends on !ENV_IS_NOWHERE && (ARCH_ZYNQ || ARCH_ZYNQMP)
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default 0x40000 if ARCH_ZYNQMP
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default 0x20000 if ARCH_ZYNQ
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help
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Size of the sector containing the environment.
|
|
|
|
config ENV_UBI_PART
|
|
string "UBI partition name"
|
|
depends on ENV_IS_IN_UBI
|
|
help
|
|
MTD partition containing the UBI device
|
|
|
|
config ENV_UBI_VOLUME
|
|
string "UBI volume name"
|
|
depends on ENV_IS_IN_UBI
|
|
help
|
|
Name of the volume that you want to store the environment in.
|
|
|
|
endif
|
|
|
|
config USE_DEFAULT_ENV_FILE
|
|
bool "Create default environment from file"
|
|
help
|
|
Normally, the default environment is automatically generated
|
|
based on the settings of various CONFIG_* options, as well
|
|
as the CONFIG_EXTRA_ENV_SETTINGS. By selecting this option,
|
|
you can instead define the entire default environment in an
|
|
external file.
|
|
|
|
config DEFAULT_ENV_FILE
|
|
string "Path to default environment file"
|
|
depends on USE_DEFAULT_ENV_FILE
|
|
help
|
|
The path containing the default environment. The format is
|
|
the same as accepted by the mkenvimage tool: lines
|
|
containing key=value pairs, blank lines and lines beginning
|
|
with # are ignored.
|
|
|
|
config ENV_VARS_UBOOT_RUNTIME_CONFIG
|
|
bool "Add run-time information to the environment"
|
|
help
|
|
Enable this in order to add variables describing certain
|
|
run-time determined information about the hardware to the
|
|
environment. These will be named board_name, board_rev.
|
|
|
|
if SPL_ENV_SUPPORT
|
|
config SPL_ENV_IS_NOWHERE
|
|
bool "SPL Environment is not stored"
|
|
default y if ENV_IS_NOWHERE
|
|
help
|
|
Similar to ENV_IS_NOWHERE, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_MMC
|
|
bool "SPL Environment in an MMC device"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_MMC
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_MMC, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_FAT
|
|
bool "SPL Environment is in a FAT filesystem"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_FAT
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_FAT, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_EXT4
|
|
bool "SPL Environment is in a EXT4 filesystem"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_EXT4
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_EXT4, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_NAND
|
|
bool "SPL Environment in a NAND device"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_NAND
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_NAND, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_SPI_FLASH
|
|
bool "SPL Environment is in SPI flash"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_SPI_FLASH
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_SPI_FLASH, used for SPL environment.
|
|
|
|
config SPL_ENV_IS_IN_FLASH
|
|
bool "SPL Environment in flash memory"
|
|
depends on !SPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_FLASH
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_FLASH, used for SPL environment.
|
|
|
|
endif
|
|
|
|
if TPL_ENV_SUPPORT
|
|
|
|
config TPL_ENV_IS_NOWHERE
|
|
bool "TPL Environment is not stored"
|
|
default y if ENV_IS_NOWHERE
|
|
help
|
|
Similar to ENV_IS_NOWHERE, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_MMC
|
|
bool "TPL Environment in an MMC device"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_MMC
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_MMC, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_FAT
|
|
bool "TPL Environment is in a FAT filesystem"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_FAT
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_FAT, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_EXT4
|
|
bool "TPL Environment is in a EXT4 filesystem"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_EXT4
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_EXT4, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_NAND
|
|
bool "TPL Environment in a NAND device"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_NAND
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_NAND, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_SPI_FLASH
|
|
bool "TPL Environment is in SPI flash"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_SPI_FLASH
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_SPI_FLASH, used for TPL environment.
|
|
|
|
config TPL_ENV_IS_IN_FLASH
|
|
bool "TPL Environment in flash memory"
|
|
depends on !TPL_ENV_IS_NOWHERE
|
|
depends on ENV_IS_IN_FLASH
|
|
default y
|
|
help
|
|
Similar to ENV_IS_IN_FLASH, used for TPL environment.
|
|
|
|
endif
|
|
|
|
endmenu
|