[PATCH v4 00/15] Add Andes PMU extension support

[Anup Patel]

On Thu, Nov 30, 2023 at 6:12 PM Yu Chien Peter Lin
<peterlin at andestech.com> wrote:
>
> 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.
>
> 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-v4
> - https://github.com/andestech/linux/commits/andes-pmu-support-v4
>
> For more details about Andes PMU extension, see Counter Related
> Registers in the AX45MP datasheet:
> http://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
>
> 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

Applied all patches to the riscv/opensbi repo except PATCH14 which
has pending comment from Atish.

Thanks,
Anup

>
>  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_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                            |  26 +-
>  lib/utils/fdt/Kconfig                        |   7 +
>  lib/utils/fdt/fdt_fixup.c                    |   3 +
>  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           | 105 +++++
>  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   |  34 ++
>  platform/generic/include/platform_override.h |   1 +
>  platform/generic/platform.c                  |  14 +-
>  platform/generic/renesas/rzfive/rzfive.c     |   5 +-
>  25 files changed, 908 insertions(+), 110 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
>
> --
> 2.34.1
>