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-rw-r--r--boot/uboot/Config.in14
1 files changed, 14 insertions, 0 deletions
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
index 77553c13bd..d693bcfcdd 100644
--- a/boot/uboot/Config.in
+++ b/boot/uboot/Config.in
@@ -251,6 +251,20 @@ config BR2_TARGET_UBOOT_ENVIMAGE_SIZE
Size of envronment, can be prefixed with 0x for hexadecimal
values.
+config BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT
+ bool "Environment has two copies"
+ help
+ Some platforms define in their U-Boot configuration that the
+ U-Boot environment should be duplicated in two locations (for
+ extra safety). Check your U-Boot configuration for the
+ CONFIG_ENV_ADDR_REDUND and CONFIG_ENV_SIZE_REDUND settings to
+ see if this is the case for your platform.
+
+ If it is the case, then you should enable this option to
+ ensure that the U-Boot environment image generated by
+ Buildroot is compatible with the "redundant environment"
+ mechanism of U-Boot.
+
endif # BR2_TARGET_UBOOT_ENVIMAGE
endif # BR2_TARGET_UBOOT
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