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Date: Wed, 10 Jan 2024 15:39:01 +0800
From: Yu Chien Peter Lin <peterlin@...estech.com>
To: <acme@...nel.org>, <adrian.hunter@...el.com>, <ajones@...tanamicro.com>,
        <alexander.shishkin@...ux.intel.com>, <andre.przywara@....com>,
        <anup@...infault.org>, <aou@...s.berkeley.edu>,
        <atishp@...shpatra.org>, <conor+dt@...nel.org>,
        <conor.dooley@...rochip.com>, <conor@...nel.org>,
        <devicetree@...r.kernel.org>, <dminus@...estech.com>,
        <evan@...osinc.com>, <geert+renesas@...der.be>, <guoren@...nel.org>,
        <heiko@...ech.de>, <irogers@...gle.com>, <jernej.skrabec@...il.com>,
        <jolsa@...nel.org>, <jszhang@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-perf-users@...r.kernel.org>,
        <linux-renesas-soc@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-sunxi@...ts.linux.dev>, <locus84@...estech.com>,
        <magnus.damm@...il.com>, <mark.rutland@....com>, <mingo@...hat.com>,
        <n.shubin@...ro.com>, <namhyung@...nel.org>, <palmer@...belt.com>,
        <paul.walmsley@...ive.com>, <peterlin@...estech.com>,
        <peterz@...radead.org>, <prabhakar.mahadev-lad.rj@...renesas.com>,
        <rdunlap@...radead.org>, <robh+dt@...nel.org>, <samuel@...lland.org>,
        <sunilvl@...tanamicro.com>, <tglx@...utronix.de>,
        <tim609@...estech.com>, <uwu@...nowy.me>, <wens@...e.org>,
        <will@...nel.org>, <ycliang@...estech.com>, <inochiama@...look.com>,
        <chao.wei@...hgo.com>, <unicorn_wang@...look.com>, <wefu@...hat.com>
Subject: [PATCH v7 00/16] Support Andes PMU extension

Hi All,

This patch series introduces the Andes PMU extension, which serves
the same purpose as Sscofpmf. To use FDT-based probing for hardware
support of the PMU extensions and introduce Andes PMU alternatives,
we first convert T-Head's PMU to CPU feature alternative.

Its non-standard local interrupt is assigned to bit 18 in the
custom S-mode local interrupt enable/pending registers (slie/slip),
while the interrupt cause is (256 + 18).

Linux patches based on:
- ed5b7cf ("riscv: errata: andes: Probe for IOCP only once in boot stage")
It can be found on Andes Technology GitHub:
- https://github.com/andestech/linux/commits/andes-pmu-support-v7

The PMU device tree node used on AX45MP:
- https://github.com/riscv-software-src/opensbi/blob/master/docs/pmu_support.md#example-3

Locus Wei-Han Chen (1):
  riscv: andes: Support specifying symbolic firmware and hardware raw
    events

Yu Chien Peter Lin (15):
  riscv: errata: Rename defines for Andes
  irqchip/riscv-intc: Allow large non-standard interrupt number
  irqchip/riscv-intc: Introduce Andes hart-level interrupt controller
  dt-bindings: riscv: Add Andes interrupt controller compatible string
  riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
    INTC
  perf: RISC-V: Eliminate redundant interrupt enable/disable operations
  RISC-V: Move T-Head PMU to CPU feature alternative framework
  perf: RISC-V: Introduce Andes PMU for perf event sampling
  dt-bindings: riscv: Add T-Head PMU extension description
  dt-bindings: riscv: Add Andes PMU extension description
  riscv: dts: allwinner: Add T-Head PMU extension for sun20i-d1s
  riscv: dts: sophgo: Add T-Head PMU extension for cv1800b
  riscv: dts: sophgo: Add T-Head PMU extension for sg2042
  riscv: dts: thead: Add T-Head PMU extension for th1520
  riscv: dts: renesas: Add Andes PMU extension for r9a07g043f

 .../devicetree/bindings/riscv/cpus.yaml       |   6 +-
 .../devicetree/bindings/riscv/extensions.yaml |  13 ++
 arch/riscv/Kconfig.errata                     |  13 --
 arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi |   2 +-
 arch/riscv/boot/dts/renesas/r9a07g043f.dtsi   |   4 +-
 arch/riscv/boot/dts/sophgo/cv1800b.dtsi       |   2 +-
 arch/riscv/boot/dts/sophgo/sg2042-cpus.dtsi   | 128 +++++++++---------
 arch/riscv/boot/dts/thead/th1520.dtsi         |   8 +-
 arch/riscv/errata/andes/errata.c              |  10 +-
 arch/riscv/errata/thead/errata.c              |  19 ---
 arch/riscv/include/asm/errata_list.h          |  19 +--
 arch/riscv/include/asm/hwcap.h                |   2 +
 arch/riscv/include/asm/vendorid_list.h        |   2 +-
 arch/riscv/kernel/alternative.c               |   2 +-
 arch/riscv/kernel/cpufeature.c                |   2 +
 drivers/irqchip/irq-riscv-intc.c              |  88 ++++++++++--
 drivers/perf/Kconfig                          |  27 ++++
 drivers/perf/riscv_pmu_sbi.c                  |  47 +++++--
 include/linux/soc/andes/irq.h                 |  18 +++
 .../arch/riscv/andes/ax45/firmware.json       |  68 ++++++++++
 .../arch/riscv/andes/ax45/instructions.json   | 127 +++++++++++++++++
 .../arch/riscv/andes/ax45/memory.json         |  57 ++++++++
 .../arch/riscv/andes/ax45/microarch.json      |  77 +++++++++++
 tools/perf/pmu-events/arch/riscv/mapfile.csv  |   1 +
 24 files changed, 591 insertions(+), 151 deletions(-)
 create mode 100644 include/linux/soc/andes/irq.h
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json

-- 
2.34.1


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