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arm-trusted-firmware/docs/design
Bipin RaviandVarun Wadekar 330095fa4a fix(cpus): workaround for Cortex-A78C erratum 1827440
Cortex-A78C erratum 1827440 is a Cat B erratum that applies to
revision r0p0 and is fixed in r0p1.

The workaround is to set CPUACTLR2_EL1[2], which forces atomic store
operations to write-back memory to be performed in the L1 data cache.

SDEN documentation:
https://developer.arm.com/documentation/SDEN1707916/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I41d8ef48f70216ec66bf2b0f4f03ea8d8c261ee7
(cherry picked from commit b01a59eb2a)
2023-04-11 14:21:59 +01:00
..