coresight: etm4x: Define DEVARCH register fields

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Define the fields of the DEVARCH register for identifying
a component as an ETMv4.x unit. Going forward, we use the
DEVARCH register for the component identification, rather
than the TRCIDR3.

Link: https://lore.kernel.org/r/20210110224850.1880240-14-suzuki.poulose@arm.com
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210201181351.1475223-16-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Suzuki K Poulose 2021-02-01 11:13:35 -07:00 • committed by Greg Kroah-Hartman

parent 91b9f01854

commit d02dfac343

2 changed files with 44 additions and 2 deletions

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drivers/hwtracing/coresight/coresight-etm4x-core.c

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42

drivers/hwtracing/coresight/coresight-etm4x.h

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