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/rk3399_ARM-atf/lib/cpus/aarch64/
H A Dcortex_x2.Sccee7fa879a4252b3e665b07c302a5fc47fd129d Sat Jul 12 02:06:49 UTC 2025 John Powell <john.powell@arm.com> fix(cpus): workaround for Cortex-X2 erratum 1917258

Cortex-X2 erratum 1917258 is a Cat B erratum that applies to
revisions r0p0 and r1p0 and is fixed in r2p0.

The workaround is to set CPUACTLR4_EL1[43]. This has no
performance impact.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775100/latest

Change-Id: Ic18a5179856f861701f09b2556906a6722db8150
Signed-off-by: John Powell <john.powell@arm.com>
/rk3399_ARM-atf/docs/design/
H A Dcpu-specific-build-macros.rstccee7fa879a4252b3e665b07c302a5fc47fd129d Sat Jul 12 02:06:49 UTC 2025 John Powell <john.powell@arm.com> fix(cpus): workaround for Cortex-X2 erratum 1917258

Cortex-X2 erratum 1917258 is a Cat B erratum that applies to
revisions r0p0 and r1p0 and is fixed in r2p0.

The workaround is to set CPUACTLR4_EL1[43]. This has no
performance impact.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775100/latest

Change-Id: Ic18a5179856f861701f09b2556906a6722db8150
Signed-off-by: John Powell <john.powell@arm.com>
/rk3399_ARM-atf/lib/cpus/
H A Dcpu-ops.mkccee7fa879a4252b3e665b07c302a5fc47fd129d Sat Jul 12 02:06:49 UTC 2025 John Powell <john.powell@arm.com> fix(cpus): workaround for Cortex-X2 erratum 1917258

Cortex-X2 erratum 1917258 is a Cat B erratum that applies to
revisions r0p0 and r1p0 and is fixed in r2p0.

The workaround is to set CPUACTLR4_EL1[43]. This has no
performance impact.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775100/latest

Change-Id: Ic18a5179856f861701f09b2556906a6722db8150
Signed-off-by: John Powell <john.powell@arm.com>