[PATCH 0/6] Add Andes PMU extension support

Yu Chien Peter Lin peterlin at andestech.com
Wed Sep 6 04:14:55 PDT 2023


This patch series enables perf tool to utilize Andes PMU
extension via PMU SBI calls, provides PMU device callbacks
for event sampling and mode filtering.

We also provide a PMU node example of AX45MP in the last
patch.

The OpenSBI and Linux patches can be found on Andes Technology GitHub
- https://github.com/andestech/opensbi/commits/andes-pmu-support
- https://github.com/andestech/linux/commits/andes-pmu-support

Yu Chien Peter Lin (6):
  sbi: sbi_pmu: Add hw_counter_filter_mode() to pmu device
  platform: include: andes45: Add PMU related CSR defines
  platform: andes: Add Andes custom PMU support
  platform: andes: Enable Andes PMU for AE350
  platform: rzfive: Enable Andes PMU for RZ/Five
  docs: pmu: Add Andes PMU node example

 docs/pmu_support.md                        | 87 ++++++++++++++++++++++
 include/sbi/sbi_pmu.h                      |  6 ++
 lib/sbi/sbi_pmu.c                          |  5 +-
 platform/generic/Kconfig                   |  2 +
 platform/generic/andes/Kconfig             |  4 +
 platform/generic/andes/ae350.c             |  2 +
 platform/generic/andes/andes_pmu.c         | 85 +++++++++++++++++++++
 platform/generic/andes/objects.mk          |  1 +
 platform/generic/include/andes/andes45.h   | 26 +++++++
 platform/generic/include/andes/andes_pmu.h | 12 +++
 platform/generic/renesas/rzfive/rzfive.c   |  2 +
 11 files changed, 231 insertions(+), 1 deletion(-)
 create mode 100644 platform/generic/andes/andes_pmu.c
 create mode 100644 platform/generic/include/andes/andes_pmu.h

-- 
2.34.1




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