Differential D59486

arm64/smmu: Start handling errata
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Authored by andrew on Mon, Sep 7, 4:12 PM.

Details

Reviewers

manu

Group Reviewers

arm64

Commits

rG6dca6e2aa89d: arm64/smmu: Start handling errata

Summary

Handle the Arm MMU-600 erratum 1076982 where when we poll for a sync
command completion we can't use the wait-for-event instruction.

This is in preparation for later adding support for polling for sync
command completion and is not an issue on stable branches.

Diff Detail

Repository

rG FreeBSD src repository

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Unit

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Build Status

Buildable 76633
Build 73516: arc lint + arc unit

Event Timeline

andrew created this revision.Mon, Sep 7, 4:12 PM

Herald added a reviewer: manu. · View Herald TranscriptMon, Sep 7, 4:12 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Mon, Sep 7, 4:12 PM

Harbormaster completed remote builds in B76633: Diff 186137.Mon, Sep 7, 4:12 PM

andrew added a parent revision: D59485: arm64/smmu: Move smmu later.Mon, Sep 7, 4:12 PM

andrew added a child revision: D59487: arm64/smmu: Split out waiting for sync completion.

This revision was not accepted when it landed; it landed in state Needs Review.Mon, Sep 21, 3:27 PM

Closed by commit rG6dca6e2aa89d: arm64/smmu: Start handling errata (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG6dca6e2aa89d: arm64/smmu: Start handling errata.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

iommu/

smmu.c

28 lines

smmureg.h

16 lines

Diff 186137

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sys/arm64/iommu/smmu.c