netdev - [PATCH 00/12] Enable networking support for StarFive JH7100 SoC

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Date:   Sat, 11 Feb 2023 05:18:09 +0200
From:   Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Richard Cochran <richardcochran@...il.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        Yanhong Wang <yanhong.wang@...rfivetech.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: [PATCH 00/12] Enable networking support for StarFive JH7100 SoC

This patch series adds ethernet support for the StarFive JH7100 SoC and 
makes it available for the StarFive VisionFive V1 and BeagleV Starlight 
boards, although I could only validate on the former SBC.

The work is heavily based on the reference implementation [1] and requires 
the non-coherent DMA support provided by Emil via the Sifive Composable 
Cache controller.

Also note there is an overlap in "[PATCH 08/12] net: stmmac: Add glue layer 
for StarFive JH7100 SoC" with the Yanhong Wang's upstreaming attempt [2]:
"[PATCH v4 5/7] net: stmmac: Add glue layer for StarFive JH7110 SoCs". 

Since I cannot test the JH7110 SoC, I dropped the support for it from Emil's
variant of the stmmac glue layer. Hence, we might need a bit of coordination
in order to get this properly merged.

[1] https://github.com/starfive-tech/linux/commits/visionfive
[2] https://lore.kernel.org/linux-riscv/20230118061701.30047-6-yanhong.wang@starfivetech.com/

Cristian Ciocaltea (7):
  dt-bindings: riscv: sifive-ccache: Add compatible for StarFive JH7100
    SoC
  dt-bindings: riscv: sifive-ccache: Add 'uncached-offset' property
  dt-bindings: net: Add StarFive JH7100 SoC
  riscv: dts: starfive: Add dma-noncoherent for JH7100 SoC
  riscv: dts: starfive: jh7100: Add ccache DT node
  riscv: dts: starfive: jh7100: Add sysmain and gmac DT nodes
  riscv: dts: starfive: jh7100-common: Setup pinmux and enable gmac

Emil Renner Berthing (5):
  soc: sifive: ccache: Add StarFive JH7100 support
  soc: sifive: ccache: Add non-coherent DMA handling
  riscv: Implement non-coherent DMA support via SiFive cache flushing
  dt-bindings: mfd: syscon: Add StarFive JH7100 sysmain compatible
  net: stmmac: Add glue layer for StarFive JH7100 SoC

 .../devicetree/bindings/mfd/syscon.yaml       |   1 +
 .../devicetree/bindings/net/snps,dwmac.yaml   |  15 +-
 .../bindings/net/starfive,jh7100-dwmac.yaml   | 106 ++++++++++++
 .../bindings/riscv/sifive,ccache0.yaml        |  33 +++-
 MAINTAINERS                                   |   6 +
 arch/riscv/Kconfig                            |   6 +-
 .../boot/dts/starfive/jh7100-common.dtsi      |  78 +++++++++
 arch/riscv/boot/dts/starfive/jh7100.dtsi      |  55 +++++++
 arch/riscv/mm/dma-noncoherent.c               |  37 ++++-
 drivers/net/ethernet/stmicro/stmmac/Kconfig   |  12 ++
 drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
 .../ethernet/stmicro/stmmac/dwmac-starfive.c  | 155 ++++++++++++++++++
 drivers/soc/sifive/Kconfig                    |   1 +
 drivers/soc/sifive/sifive_ccache.c            |  71 +++++++-
 include/soc/sifive/sifive_ccache.h            |  21 +++
 15 files changed, 587 insertions(+), 11 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c

-- 
2.39.1