[PATCH 0/3] Ampere Computing ETMv4.x Support

[Suzuki K Poulose]

Hi Steve,

On 06/03/2023 05:54, Steve Clevenger wrote:
> Ampere ETMv4.x support. Added Ampere ETM ID, and changes required by
> the Ampere ETMv4.x hardware implementation.
> 

I don't see any mention of the access via system instructions. Where did
that end up ? What is the conclusion on that front ?

Kind regards
Suzuki


> Steve Clevenger (3):
>    Add known list of Ampere ETMv4 errata
>    coresight etm4x: Early clear TRCOSLAR.OSLK prior to TRCIDR1 read
>    coresight etm4x: Add 32-bit read/write option to split 64-bit words
> 
>   Documentation/arm64/silicon-errata.rst        |  6 +-
>   .../coresight/coresight-etm4x-core.c          | 50 +++++++++++-----
>   drivers/hwtracing/coresight/coresight-etm4x.h | 58 ++++++++++++++-----
>   include/linux/coresight.h                     |  3 +
>   4 files changed, 89 insertions(+), 28 deletions(-)
>