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Diffstat (limited to 'docs/cpu-specific-build-macros.md')
| -rw-r--r-- | docs/cpu-specific-build-macros.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/cpu-specific-build-macros.md b/docs/cpu-specific-build-macros.md index 0a575f72..eb23bcd4 100644 --- a/docs/cpu-specific-build-macros.md +++ b/docs/cpu-specific-build-macros.md @@ -60,6 +60,13 @@ For Cortex-A53, following errata build flags are defined : CPU. This needs to be enabled only for revision <= r0p3 of the CPU. From r0p4 and onwards, this errata is enabled by default in hardware. +* `ERRATA_A53_855873`: This applies errata 855873 workaround to Cortex-A53 + CPUs. Though the erratum is present in every revision of the CPU, + this workaround is only applied to CPUs from r0p3 onwards, which feature + a chicken bit in CPUACTLR_EL1 to enable a hardware workaround. + Earlier revisions of the CPU have other errata which require the same + workaround in software, so they should be covered anyway. + For Cortex-A57, following errata build flags are defined : * `ERRATA_A57_806969`: This applies errata 806969 workaround to Cortex-A57 |