env: Improve ENV_OFFSET help message

When reading Kconfig help messages to understand ENV_OFFSET and
ENV_OFFSET_REDUND, developers may not realise that they need to also
look at the chosen ENV_IS_IN_* options to see how the offsets will be
interpreted.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Paul Barker 2023-09-01 15:28:59 +01:00 committed by Tom Rini
parent 31565bb0aa
commit d1ca61ca7e
1 changed files with 11 additions and 1 deletions

12
env/Kconfig vendored
View File

@ -576,7 +576,12 @@ config ENV_OFFSET
default 0x260000 if ARCH_OMAP2PLUS
default 0x1080000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH
help
Offset from the start of the device (or partition)
Offset from the start of the device (or partition).
This offset may be interpreted differently depending on the chosen
ENV_IS_IN_* options. For example, for ENV_IS_IN_MMC=y, this offset may
be negative to indicate an offset backwards from the end of the
partition. See the relevant help messages for more details.
config ENV_OFFSET_REDUND
hex "Redundant environment offset"
@ -588,6 +593,11 @@ config ENV_OFFSET_REDUND
Offset from the start of the device (or partition) of the redundant
environment location.
This offset may be interpreted differently depending on the chosen
ENV_IS_IN_* options. For example, for ENV_IS_IN_MMC=y, this offset may
be negative to indicate an offset backwards from the end of the
partition. See the relevant help messages for more details.
config ENV_SIZE
hex "Environment Size"
default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP