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/rk3399_ARM-atf/include/lib/cpus/aarch64/
H A Dcortex_x2.h63446c27d11453faacfddecffa44d3880615d412 Tue Mar 08 16:37:43 UTC 2022 Bipin Ravi <bipin.ravi@arm.com> fix(errata): workaround for Cortex-X2 erratum 2147715

Cortex-X2 erratum 2147715 is a Cat B erratum that applies to revision
r2p0 and is fixed in r2p1. The workaround is to set CPUACTLR_EL1[22]=1,
which will cause the CFP instruction to invalidate all branch predictor
resources regardless of context.

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1775100/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I2d81867486d9130f2c36cd4554ca9a8f37254b57
/rk3399_ARM-atf/lib/cpus/aarch64/
H A Dcortex_x2.S63446c27d11453faacfddecffa44d3880615d412 Tue Mar 08 16:37:43 UTC 2022 Bipin Ravi <bipin.ravi@arm.com> fix(errata): workaround for Cortex-X2 erratum 2147715

Cortex-X2 erratum 2147715 is a Cat B erratum that applies to revision
r2p0 and is fixed in r2p1. The workaround is to set CPUACTLR_EL1[22]=1,
which will cause the CFP instruction to invalidate all branch predictor
resources regardless of context.

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1775100/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I2d81867486d9130f2c36cd4554ca9a8f37254b57
/rk3399_ARM-atf/docs/design/
H A Dcpu-specific-build-macros.rst63446c27d11453faacfddecffa44d3880615d412 Tue Mar 08 16:37:43 UTC 2022 Bipin Ravi <bipin.ravi@arm.com> fix(errata): workaround for Cortex-X2 erratum 2147715

Cortex-X2 erratum 2147715 is a Cat B erratum that applies to revision
r2p0 and is fixed in r2p1. The workaround is to set CPUACTLR_EL1[22]=1,
which will cause the CFP instruction to invalidate all branch predictor
resources regardless of context.

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1775100/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I2d81867486d9130f2c36cd4554ca9a8f37254b57
/rk3399_ARM-atf/lib/cpus/
H A Dcpu-ops.mk63446c27d11453faacfddecffa44d3880615d412 Tue Mar 08 16:37:43 UTC 2022 Bipin Ravi <bipin.ravi@arm.com> fix(errata): workaround for Cortex-X2 erratum 2147715

Cortex-X2 erratum 2147715 is a Cat B erratum that applies to revision
r2p0 and is fixed in r2p1. The workaround is to set CPUACTLR_EL1[22]=1,
which will cause the CFP instruction to invalidate all branch predictor
resources regardless of context.

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1775100/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I2d81867486d9130f2c36cd4554ca9a8f37254b57