commit 2997ab9d35d61bfde4ccc712c874430c218195f7
author Bipin Ravi <bipin.ravi@arm.com> Tue Oct 17 06:21:15 2023 -0500
committer laurenw-arm <lauren.wehrmeister@arm.com> Thu Nov 02 10:12:36 2023 -0500
tree 814d4dede917f9275b7e1aa010b6930b21b37af1
parent 03ba5d8fb6b46bc79e03f36ab2fe0d5b47487bfb

fix(cpus): workaround for Neoverse N2 erratum 2340933

Neoverse N2 erratum 2340933 is a Cat B erratum that applies to
revision r0p0 and is fixed in r0p1. The workaround is to set
CPUACTLR5_EL1[61] to 1.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1982442/latest

Change-Id: I121add0dd35072c53392d33f049d893a5ff6354f
Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>

docs/design/cpu-specific-build-macros.rst

diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 0b01840..9549786 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -655,6 +655,10 @@
    CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
    r0p1.
 
+-  ``ERRATA_N2_2340933``: This applies errata 2340933 workaround to Neoverse-N2
+   CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
+   r0p1.
+
 -  ``ERRATA_N2_2346952``: This applies errata 2346952 workaround to Neoverse-N2
    CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2 of the CPU,
    it is fixed in r0p3.