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fix(cpus): workaround for Neoverse V1 erratum 2743093
authorBipin Ravi <bipin.ravi@arm.com>
Thu, 15 Dec 2022 17:57:53 +0000 (11:57 -0600)
committerBipin Ravi <bipin.ravi@arm.com>
Tue, 20 Dec 2022 20:17:20 +0000 (14:17 -0600)
commit31747f057b13b5934b607b7021139e58a55f7766
tree0c804a6de7ba9927d24f6760a3bf8bcb3b9a7b8etree | snapshot
parentf4d8ed50d27687d437e6885d2b6445a720ae9f69commit | diff
fix(cpus): workaround for Neoverse V1 erratum 2743093

Neoverse V1 erratum 2743093 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/SDEN1401781/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I8ee7c16c14c4fd6ee35d20c855273ecfce0d1b32
docs/design/cpu-specific-build-macros.rst diff | blob | history
lib/cpus/aarch64/neoverse_v1.S diff | blob | history
lib/cpus/cpu-ops.mk diff | blob | history
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