[PATCH v3 00/15] Add Andes PMU extension support

[Yu Chien Peter Lin]

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

This version mainly fixes single-core freeze when quitting
'perf top', adds andes_pmu_setup() to provide default event
mappings when fdt_pmu_setup() can't find PMU node. And add
Xandespmu to hart extension list so that the inhibit bits
can be updated in a similar way to how Smcntrpmf does.

The last patch provides a PMU node example used on AX45MP cores.

The OpenSBI and Linux patches can be found on Andes Technology GitHub
- https://github.com/andestech/opensbi/commits/andes-pmu-support-v3
- https://github.com/andestech/linux/commits/andes-pmu-support-v4

Leo Yu-Chi Liang (1):
  lib: ipi: Adjust Andes PLICSW to single-bit-per-hart scheme

Yu Chien Peter Lin (14):
  sbi: sbi_pmu: Improve sbi_pmu_init() error handling
  lib: sbi: Add Xandespmu in hart extensions
  sbi: sbi_pmu: Add hw_counter_filter_mode() to pmu device
  platform: include: andes45: Add PMU related CSR defines
  platform: generic: Introduce pmu_init() platform override
  platform: andes: Add Andes custom PMU support
  platform: andes: Enable Andes PMU for AE350
  platform: rzfive: Enable Andes PMU for RZ/Five
  lib: utils: fdt_fixup: Allow preserving PMU properties
  platform: andes: Factor out is_andes() helper
  lib: utils: fdt_pmu: Make the fdt_pmu_evt_select table global variable
  lib: utils: fdt_pmu: Do not iterate over the fdt_pmu_evt_select table
  platform: andes: Add Andes default PMU mapping support
  docs: pmu: Add Andes PMU node example

 docs/pmu_support.md                          |  82 ++++
 include/sbi/sbi_ecall_interface.h            |   5 +
 include/sbi/sbi_hart.h                       |   2 +
 include/sbi/sbi_pmu.h                        |   6 +
 include/sbi/sbi_scratch.h                    |   2 +
 include/sbi_utils/fdt/fdt_helper.h           |  17 +
 include/sbi_utils/fdt/fdt_pmu.h              |   6 +
 include/sbi_utils/ipi/andes_plicsw.h         |  23 +-
 lib/sbi/sbi_hart.c                           |   3 +
 lib/sbi/sbi_pmu.c                            |  25 +-
 lib/utils/fdt/fdt_fixup.c                    |   6 +-
 lib/utils/fdt/fdt_pmu.c                      |  17 +-
 lib/utils/ipi/andes_plicsw.c                 | 104 ++---
 platform/generic/Kconfig                     |   4 +
 platform/generic/andes/Kconfig               |  15 +
 platform/generic/andes/ae350.c               |  19 +-
 platform/generic/andes/andes_hpm.c           | 405 +++++++++++++++++++
 platform/generic/andes/andes_pmu.c           | 102 +++++
 platform/generic/andes/objects.mk            |   2 +
 platform/generic/include/andes/andes45.h     |  32 ++
 platform/generic/include/andes/andes_hpm.h   |  81 ++++
 platform/generic/include/andes/andes_pmu.h   |  33 ++
 platform/generic/include/platform_override.h |   1 +
 platform/generic/platform.c                  |  11 +-
 platform/generic/renesas/rzfive/rzfive.c     |   5 +-
 25 files changed, 897 insertions(+), 111 deletions(-)
 create mode 100644 platform/generic/andes/andes_hpm.c
 create mode 100644 platform/generic/andes/andes_pmu.c
 create mode 100644 platform/generic/include/andes/andes_hpm.h
 create mode 100644 platform/generic/include/andes/andes_pmu.h

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2.34.1