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/rk3399_ARM-atf/include/lib/cpus/aarch64/
H A Dneoverse_n1.h335b3c79c79dcfc04e9776ce2e21c3b16aa6febf Mon Jun 24 16:42:02 UTC 2019 lauwal01 <lauren.wehrmeister@arm.com> Workaround for Neoverse N1 erratum 1257314

Neoverse N1 erratum 1257314 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
CPUACTLR3_EL1 system register, which prevents parallel
execution of divide and square root instructions.

[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html

Change-Id: I54f0f40ff9043efee40d51e796b92ed85b394cbb
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
/rk3399_ARM-atf/lib/cpus/aarch64/
H A Dneoverse_n1.S335b3c79c79dcfc04e9776ce2e21c3b16aa6febf Mon Jun 24 16:42:02 UTC 2019 lauwal01 <lauren.wehrmeister@arm.com> Workaround for Neoverse N1 erratum 1257314

Neoverse N1 erratum 1257314 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
CPUACTLR3_EL1 system register, which prevents parallel
execution of divide and square root instructions.

[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html

Change-Id: I54f0f40ff9043efee40d51e796b92ed85b394cbb
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
/rk3399_ARM-atf/docs/design/
H A Dcpu-specific-build-macros.rst335b3c79c79dcfc04e9776ce2e21c3b16aa6febf Mon Jun 24 16:42:02 UTC 2019 lauwal01 <lauren.wehrmeister@arm.com> Workaround for Neoverse N1 erratum 1257314

Neoverse N1 erratum 1257314 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
CPUACTLR3_EL1 system register, which prevents parallel
execution of divide and square root instructions.

[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html

Change-Id: I54f0f40ff9043efee40d51e796b92ed85b394cbb
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
/rk3399_ARM-atf/lib/cpus/
H A Dcpu-ops.mk335b3c79c79dcfc04e9776ce2e21c3b16aa6febf Mon Jun 24 16:42:02 UTC 2019 lauwal01 <lauren.wehrmeister@arm.com> Workaround for Neoverse N1 erratum 1257314

Neoverse N1 erratum 1257314 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
CPUACTLR3_EL1 system register, which prevents parallel
execution of divide and square root instructions.

[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html

Change-Id: I54f0f40ff9043efee40d51e796b92ed85b394cbb
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>