[0/3] Ampere Computing ETMv4.x Support

Message

Steve Clevenger Jan. 20, 2023, 12:51 a.m. UTC

First pass at Ampere ETMv4.x support. Added Ampere ETM ID, and changes
required by the Ampere ETMv4.x hardware implementation.

Steve Clevenger (3):
  coresight etm4x: Early clear TRCOSLAR.OSLK prior to TRCIDR1 read
  coresight etm4x: Add 32-bit read/write option to split 64-bit words
  coresight etm4x: Add pr_debug statement for Coresight component
    PID/CID

 drivers/amba/bus.c                            |   7 ++
 .../coresight/coresight-etm4x-core.c          | 115 ++++++++++++++----
 drivers/hwtracing/coresight/coresight-etm4x.h |  34 ++++++
 3 files changed, 131 insertions(+), 25 deletions(-)