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| author | lauwal01 <lauren.wehrmeister@arm.com> | 2019-06-24 11:35:37 -0500 |
|---|---|---|
| committer | lauwal01 <lauren.wehrmeister@arm.com> | 2019-07-02 09:15:48 -0500 |
| commit | ef5fa7d47741d008f8786f971fc138e6331fb46d (patch) | |
| tree | 04e4a01836834af435291cf27c89353ebd50f191 /docs | |
| parent | 2017ab241c6634ecc184f09a39e77a06146403b0 (diff) | |
Workaround for Neoverse N1 erratum 1207823
Neoverse N1 erratum 1207823 is a Cat B erratum [1],
present in older revisions of the Neoverse N1 processor core.
The workaround is to set a bit 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: Ia932337821f1ef0d644db3612480462a8d924d21
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/design/cpu-specific-build-macros.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst index fd99d8e9..ef24f2e3 100644 --- a/docs/design/cpu-specific-build-macros.rst +++ b/docs/design/cpu-specific-build-macros.rst @@ -237,6 +237,9 @@ For Neoverse N1, the following errata build flags are defined : - ``ERRATA_N1_1165347``: This applies errata 1165347 workaround to Neoverse-N1 CPU. This needs to be enabled only for revision <= r2p0 of the CPU. +- ``ERRATA_N1_1207823``: This applies errata 1207823 workaround to Neoverse-N1 + CPU. This needs to be enabled only for revision <= r2p0 of the CPU. + - ``ERRATA_N1_1315703``: This applies errata 1315703 workaround to Neoverse-N1 CPU. This needs to be enabled only for revision <= r3p0 of the CPU. |