bootm: make use of legacy image format configurable

[karo-tx-uboot.git] / doc / uImage.FIT / signature.txt

diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt
index 95020377055d259a2b9e285b178371fccefc3ea3..672dc3536f53af5bb3bcc9e4efd383c36b081c00 100644 (file)
--- a/doc/uImage.FIT/signature.txt
+++ b/doc/uImage.FIT/signature.txt
@@ -328,6 +328,9 @@ be enabled:
 CONFIG_FIT_SIGNATURE - enable signing and verfication in FITs
 CONFIG_RSA - enable RSA algorithm for signing
 
+WARNING: When relying on signed FIT images with required signature check
+the legacy image format is default disabled by not defining
+CONFIG_IMAGE_FORMAT_LEGACY
 
 Testing
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