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/openbmc/linux/drivers/hwtracing/coresight/
H A Dcoresight-priv.hdiff ab5ca6268afcc470e7c9b2d66b0eb9f178755260 Mon Jun 05 08:30:30 CDT 2023 Suzuki K Poulose <suzuki.poulose@arm.com> coresight: etm4x: Match all ETM4 instances based on DEVARCH and DEVTYPE

Instead of adding the PIDs forever to the list for the new CPUs, let us detect
a component to be ETMv4 based on the CoreSight CID, DEVTYPE=PE_TRACE and
DEVARCH=ETMv4. This is already done for some of the ETMs. We can extend the PID
matching to match the PIDR2:JEDEC, BIT[3], which must be 1 (RAO) always.

Link: https://lkml.kernel.org/r/20230317030501.1811905-1-anshuman.khandual@arm.com
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: frowand.list@gmail.com
Cc: linux@armlinux.org.uk
Cc: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
[ Fixed typo in the description RA0 => RAO ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230605133031.1827626-1-suzuki.poulose@arm.com
H A Dcoresight-etm4x-core.cdiff ab5ca6268afcc470e7c9b2d66b0eb9f178755260 Mon Jun 05 08:30:30 CDT 2023 Suzuki K Poulose <suzuki.poulose@arm.com> coresight: etm4x: Match all ETM4 instances based on DEVARCH and DEVTYPE

Instead of adding the PIDs forever to the list for the new CPUs, let us detect
a component to be ETMv4 based on the CoreSight CID, DEVTYPE=PE_TRACE and
DEVARCH=ETMv4. This is already done for some of the ETMs. We can extend the PID
matching to match the PIDR2:JEDEC, BIT[3], which must be 1 (RAO) always.

Link: https://lkml.kernel.org/r/20230317030501.1811905-1-anshuman.khandual@arm.com
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: frowand.list@gmail.com
Cc: linux@armlinux.org.uk
Cc: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
[ Fixed typo in the description RA0 => RAO ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230605133031.1827626-1-suzuki.poulose@arm.com