docs: add build options for GPT support enablement
Documented the build options used in Arm GPT parser enablement.
Change-Id: I9d7ef2f44b8f9d2731dd17c2639e5ed0eb6d0b3a
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/docs/plat/arm/arm-build-options.rst b/docs/plat/arm/arm-build-options.rst
index 79b40d1..db8d945 100644
--- a/docs/plat/arm/arm-build-options.rst
+++ b/docs/plat/arm/arm-build-options.rst
@@ -104,6 +104,14 @@
device tree. This flag is defined only when ``ARM_SPMC_MANIFEST_DTS`` manifest
file name contains pattern optee_sp.
+- ``ARM_GPT_SUPPORT``: Enable GPT parser to get the entry address and length of
+ the various partitions present in the GPT image. This support is available
+ only for the BL2 component, and it is disabled by default.
+ The following diagram shows the view of the FIP partition inside the GPT
+ image:
+
+ |FIP in a GPT image|
+
For a better understanding of these options, the Arm development platform memory
map is explained in the :ref:`Firmware Design`.
@@ -140,4 +148,6 @@
--------------
+.. |FIP in a GPT image| image:: ../../resources/diagrams/FIP_in_a_GPT_image.png
+
*Copyright (c) 2019-2021, Arm Limited. All rights reserved.*
diff --git a/docs/resources/diagrams/FIP_in_a_GPT_image.png b/docs/resources/diagrams/FIP_in_a_GPT_image.png
new file mode 100644
index 0000000..4bafed9
--- /dev/null
+++ b/docs/resources/diagrams/FIP_in_a_GPT_image.png
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