docs(fwu): add firmware update documentation
Added firmware update documentation for:
1. PSA firmware update build flag
2. Porting guidelines to set the addresses of FWU metadata image
and updated components in I/O policy
Change-Id: Iad3eb68b4be01a0b5850b69a067c60fcb464f54b
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/docs/index.rst b/docs/index.rst
index 29e5839..edc2535 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -30,6 +30,7 @@
- `SMC Calling Convention`_
- `System Control and Management Interface (SCMI)`_
- `Software Delegated Exception Interface (SDEI)`_
+- `PSA FW update specification`_
Where possible, the code is designed for reuse or porting to other Armv7-A and
Armv8-A model and hardware platforms.
@@ -92,3 +93,4 @@
.. _System Control and Management Interface (SCMI): http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf
.. _Software Delegated Exception Interface (SDEI): http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf
.. _SMC Calling Convention: https://developer.arm.com/docs/den0028/latest
+.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/a/