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doc: document u-boot, mmc-env-offset and u-boot, mmc-env-offset-redund

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Adding documentation on the new config properties:
       'u-boot,mmc-env-offset' - overrides CONFIG_ENV_OFFSET
       'u-boot,mmc-env-offset-redundant'
                               - overrides CONFIG_ENV_OFFSET_REDUND

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Philipp Tomsich 2017-05-16 00:16:32 +02:00 committed by Jaehoon Chung
parent f8b8a55463
commit de59d10cd0
1 changed files with 12 additions and 0 deletions
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12
doc/device-tree-bindings/config.txt
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@ -21,6 +21,18 @@ u-boot,efi-partition-entries-offset
This setting will override any values configured via Kconfig.
u-boot,mmc-env-offset
u-boot,mmc-env-offset-redundant
If present, the values of the 'u-boot,mmc-env-offset' and/or
of the u-boot,mmc-env-offset-redundant' properties overrides
CONFIG_ENV_OFFSET and CONFIG_ENV_OFFSET_REDUND, respectively,
for SD/MMC devices.
Values are interpreted as the offset from the start of the
device, specified in bytes. It is assumed that the setting
will point at the beginning of a LBA and values that are not
LBA-aligned will be rounded up to the next LBA address.
u-boot,spl-payload-offset
If present (and SPL is controlled by the device-tree), this allows
to override the CONFIG_SYS_SPI_U_BOOT_OFFS setting using a value