tree d4866907f655881c57d6de69a5fbeb4dc5854700
parent b0b654f908df85133e9d8cbbe252cf7f48dd883c
author Bipin Ravi <bipin.ravi@arm.com> 1671137301 -0600
committer Varun Wadekar <vwadekar@nvidia.com> 1675444154 +0000

fix(cpus): workaround for Cortex-A78 erratum 2772019

Cortex-A78 erratum 2772019 is a Cat B erratum that applies to
all revisions <=r1p2 and is still open. The workaround is to
insert a dsb before the isb in the power down sequence.

SDEN documentation:
https://developer.arm.com/documentation/SDEN1401784/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I0362da463eca777aa7a385bcdeb39b8549799f02
(cherry picked from commit b10afcce5ff1202e1cd922dbd3c1e5980b478429)