Merge changes from topic "jc/rsa-pkcs" into integration

[project/bcm63xx/atf.git] / docs / getting_started / user-guide.rst

diff --git a/docs/getting_started/user-guide.rst b/docs/getting_started/user-guide.rst
index 1229e663a77fa9d75cb9490c18b8e02f087bd6f6..015de9a68a1bc78705f3fe6636bf7f1a704003bc 100644 (file)
--- a/docs/getting_started/user-guide.rst
+++ b/docs/getting_started/user-guide.rst
@@ -287,6 +287,12 @@ Common build options
    enable this use-case. For now, this option is only supported when BL2_AT_EL3
    is set to '1'.
 
+-  ``BL2_INV_DCACHE``: This is an optional build option which control dcache
+   invalidation upon BL2 entry. Some platform cannot handle cache operations
+   during entry as the coherency unit is not yet initialized. This may cause
+   crashing. Leaving this option to '1' (default) will allow the operation.
+   This option is only relevant when BL2_AT_EL3 is set to '1'.
+
 -  ``BL31``: This is an optional build option which specifies the path to
    BL31 image for the ``fip`` target. In this case, the BL31 in TF-A will not
    be built.