diff options
| author | Boyan Karatotev <boyan.karatotev@arm.com> | 2022-11-01 11:22:12 +0000 |
|---|---|---|
| committer | Boyan Karatotev <boyan.karatotev@arm.com> | 2022-11-10 15:51:16 +0000 |
| commit | 4fdeaffe860a998e8503b847ecceec60dcddcdc5 (patch) | |
| tree | b26e3a71f16701e66f8527f59e7cdfe4d47b81d3 /lib/cpus/cpu-ops.mk | |
| parent | 49e6f94c13050ea5a675bce86550230a00cdcd5c (diff) | |
fix(cpus): workaround for Cortex-A77 erratum 2743100
Cortex-A77 erratum 2743100 is a Cat B erratum that applies to revisions
r0p0, r1p0, r1p1, and is still open. The workaround is to insert a dsb
before the isb in the power down sequence.
SDEN can be found here:
https://developer.arm.com/documentation/SDEN1152370/latest
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I8e49a2dac8611f31ace249a17ae7a90cd60e742a
Diffstat (limited to 'lib/cpus/cpu-ops.mk')
| -rw-r--r-- | lib/cpus/cpu-ops.mk | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk index eb6d20f38..f19c16e49 100644 --- a/lib/cpus/cpu-ops.mk +++ b/lib/cpus/cpu-ops.mk @@ -315,6 +315,10 @@ ERRATA_A77_2356587 ?=0 # to revisions <= r1p1 of the Cortex A77 cpu. ERRATA_A77_1800714 ?=0 +# Flag to apply erratum 2743100 workaround during power down. This erratum +# applies to revisions r0p0, r1p0, and r1p1, it is still open. +ERRATA_A77_2743100 ?=0 + # Flag to apply erratum 1688305 workaround during reset. This erratum applies # to revisions r0p0 - r1p0 of the A78 cpu. ERRATA_A78_1688305 ?=0 @@ -948,6 +952,10 @@ $(eval $(call add_define,ERRATA_A77_2356587)) $(eval $(call assert_boolean,ERRATA_A77_1800714)) $(eval $(call add_define,ERRATA_A77_1800714)) +# Process ERRATA_A77_2743100 flag +$(eval $(call assert_boolean,ERRATA_A77_2743100)) +$(eval $(call add_define,ERRATA_A77_2743100)) + # Process ERRATA_A78_1688305 flag $(eval $(call assert_boolean,ERRATA_A78_1688305)) $(eval $(call add_define,ERRATA_A78_1688305)) |