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-rw-r--r--env/Kconfig12
1 files changed, 11 insertions, 1 deletions
diff --git a/env/Kconfig b/env/Kconfig
index 67b819d47a..f5f0969233 100644
--- a/env/Kconfig
+++ b/env/Kconfig
@@ -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