Introduce COT build option
Allows to select the chain of trust to use when the Trusted Boot feature
is enabled. This affects both the cert_create tool and the firmware
itself.
Right now, the only available CoT is TBBR.
Change-Id: I7ab54e66508a1416cb3fcd3dfb0f055696763b3d
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index fc45455..f4e8cbe 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -128,6 +128,9 @@
``plat_secondary_cold_boot_setup()`` platform porting interfaces do not need
to be implemented in this case.
+- ``COT``: When Trusted Boot is enabled, selects the desired chain of trust.
+ Defaults to ``tbbr``.
+
- ``CRASH_REPORTING``: A non-zero value enables a console dump of processor
register state when an unexpected exception occurs during execution of
BL31. This option defaults to the value of ``DEBUG`` - i.e. by default