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-rw-r--r--README11
1 files changed, 11 insertions, 0 deletions
diff --git a/README b/README
index b8ed1f1..398d70d 100644
--- a/README
+++ b/README
@@ -1530,6 +1530,17 @@ CBFS (Coreboot Filesystem) support
allows for a "silent" boot where a splash screen is
loaded very quickly after power-on.
+ CONFIG_SPLASHIMAGE_GUARD
+
+ If this option is set, then U-Boot will prevent the environment
+ variable "splashimage" from being set to a problematic address
+ (see README.displaying-bmps and README.arm-unaligned-accesses).
+ This option is useful for targets where, due to alignment
+ restrictions, an improperly aligned BMP image will cause a data
+ abort. If you think you will not have problems with unaligned
+ accesses (for example because your toolchain prevents them)
+ there is no need to set this option.
+
CONFIG_SPLASH_SCREEN_ALIGN
If this option is set the splash image can be freely positioned