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| author | lauwal01 <lauren.wehrmeister@arm.com> | 2019-06-24 11:32:40 -0500 |
|---|---|---|
| committer | lauwal01 <lauren.wehrmeister@arm.com> | 2019-07-02 09:15:15 -0500 |
| commit | 2017ab241c6634ecc184f09a39e77a06146403b0 (patch) | |
| tree | 2df7811cdcf4159d4c36de40a65b57ed825e4811 /lib/cpus/cpu-ops.mk | |
| parent | e34606f2e400c192bac3abeb9b2053b2c91ccd7c (diff) | |
| download | platform_external_arm-trusted-firmware-2017ab241c6634ecc184f09a39e77a06146403b0.tar.gz platform_external_arm-trusted-firmware-2017ab241c6634ecc184f09a39e77a06146403b0.tar.bz2 platform_external_arm-trusted-firmware-2017ab241c6634ecc184f09a39e77a06146403b0.zip | |
Workaround for Neoverse N1 erratum 1165347
Neoverse N1 erratum 1165347 is a Cat B erratum [1],
present in older revisions of the Neoverse N1 processor core.
The workaround is to set two bits in the implementation defined
CPUACTLR2_EL1 system register.
[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html
Change-Id: I163d0ea00578245c1323d2340314cdc3088c450d
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
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 676667b63..faaf1203b 100644 --- a/lib/cpus/cpu-ops.mk +++ b/lib/cpus/cpu-ops.mk @@ -246,6 +246,10 @@ ERRATA_N1_1073348 ?=0 # only to revision <= r2p0 of the Neoverse N1 cpu. ERRATA_N1_1130799 ?=0 +# Flag to apply erratum 1165347 workaround during reset. This erratum applies +# only to revision <= r2p0 of the Neoverse N1 cpu. +ERRATA_N1_1165347 ?=0 + # Flag to apply erratum 1315703 workaround during reset. This erratum applies # to revisions before r3p1 of the Neoverse N1 cpu. ERRATA_N1_1315703 ?=1 @@ -447,6 +451,10 @@ $(eval $(call add_define,ERRATA_N1_1073348)) $(eval $(call assert_boolean,ERRATA_N1_1130799)) $(eval $(call add_define,ERRATA_N1_1130799)) +# Process ERRATA_N1_1165347 flag +$(eval $(call assert_boolean,ERRATA_N1_1165347)) +$(eval $(call add_define,ERRATA_N1_1165347)) + # Process ERRATA_N1_1315703 flag $(eval $(call assert_boolean,ERRATA_N1_1315703)) $(eval $(call add_define,ERRATA_N1_1315703)) |