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| author | lauwal01 <lauren.wehrmeister@arm.com> | 2019-06-24 11:28:34 -0500 |
|---|---|---|
| committer | lauwal01 <lauren.wehrmeister@arm.com> | 2019-07-02 09:14:54 -0500 |
| commit | e34606f2e400c192bac3abeb9b2053b2c91ccd7c (patch) | |
| tree | 0838213c1b952a10706c0198187a124f36a802a7 /docs/design | |
| parent | a601afe1585e8d53afb7c1ea87d0ba7a5bb85bd3 (diff) | |
Workaround for Neoverse N1 erratum 1130799
Neoverse N1 erratum 1130799 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: I252bc45f9733443ba0503fefe62f50fdea61da6d
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Diffstat (limited to 'docs/design')
| -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 55109dc7..01ee4162 100644 --- a/docs/design/cpu-specific-build-macros.rst +++ b/docs/design/cpu-specific-build-macros.rst @@ -231,6 +231,9 @@ For Neoverse N1, the following errata build flags are defined : - ``ERRATA_N1_1073348``: This applies errata 1073348 workaround to Neoverse-N1 CPU. This needs to be enabled only for revision r0p0 and r1p0 of the CPU. +- ``ERRATA_N1_1130799``: This applies errata 1130799 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. |