From d71446c38a18d2474290df870a3f537500a56bb9 Mon Sep 17 00:00:00 2001
From: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Date: Tue, 19 Feb 2019 13:14:06 +0000
Subject: [PATCH] docs: Update documentation about ARMv8.2-TTCNP
Commit 2559b2c8256f ("xlat v2: Dynamically detect need for CnP bit")
modified the code to convert the compile-time check for ARMv8.2-TTCNP to
a runtime check, but forgot to update the documentation associated to it.
Change-Id: I6d33a4de389d976dbdcce65d8fdf138959530669
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
---
docs/firmware-design.rst | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/docs/firmware-design.rst b/docs/firmware-design.rst
index 617cbb886..876a25194 100644
--- a/docs/firmware-design.rst
+++ b/docs/firmware-design.rst
@@ -2544,10 +2544,8 @@ This Architecture Extension is targeted when ``ARM_ARCH_MAJOR`` >= 8, or when
Armv8.2-A
~~~~~~~~~
-This Architecture Extension is targeted when ``ARM_ARCH_MAJOR`` == 8 and
-``ARM_ARCH_MINOR`` >= 2.
-
-- The Common not Private (CnP) bit is enabled to indicate that multiple
+- The presence of ARMv8.2-TTCNP is detected at runtime. When it is present, the
+ Common not Private (TTBRn_ELx.CnP) bit is enabled to indicate that multiple
Processing Elements in the same Inner Shareable domain use the same
translation table entries for a given stage of translation for a particular
translation regime.
@@ -2642,7 +2640,7 @@ References
--------------
-*Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved.*
+*Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.*
.. _Reset Design: ./reset-design.rst
.. _Porting Guide: ./porting-guide.rst
--
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