tree 16b2c67d44e958c77eed9c585520e8167787418c
parent 030992e26875d2d5dc4ef605f2c1ab8aed45db86
author Sona Mathew <sonarebecca.mathew@arm.com> 1693941003 -0500
committer Varun Wadekar <vwadekar@nvidia.com> 1699023275 +0000

fix(cpus): workaround for Cortex-X3 erratum 2742421

Cortex-X3 erratum 2742421 is a Cat B erratum that applies to
all revisions <= r1p1 and is fixed in r1p2. The workaround is to
set CPUACTLR5_EL1[56:55] to 2'b01.

SDEN documentation:
https://developer.arm.com/documentation/2055130/latest

Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Change-Id: Idadd323e419739fe909b9b68ea2dbe857846666b
(cherry picked from commit 5b0e4438d0e604e80ffff17d02e37cae0f4b2a8f)