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Mon, 03 Mar 2025 23:13:17 -0800 (PST) From: Inochi Amaoto To: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Johan Hovold , Shashank Babu Chinta Venkata , Niklas Cassel Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Yixun Lan , Longbin Li Subject: [PATCH 0/2] riscv: sophgo Add PCIe support to Sophgo SG2044 SoC Date: Tue, 4 Mar 2025 15:12:36 +0800 Message-ID: <20250304071239.352486-1-inochiama@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Sophgo's SG2044 SoC uses Synopsys Designware PCIe core to implement RC mode. For legacy interrupt, the PCIe controller on SG2044 implement its own legacy interrupt controller. For MSI/MSI-X, it use an external interrupt controller to handle. The external MSI interrupt controller patch can be found on [1]. As SG2044 needs a mirror change to support the way to send MSI message and different irq number. [1] https://lore.kernel.org/all/20250303111648.1337543-1-inochiama@gmail.com Changed from v1: - https://lore.kernel.org/all/20250221013758.370936-1-inochiama@gmail.comq 1. patch 1: remove dma-coherent property 2. patch 2: remove unused reset 3. patch 2: fix Kconfig menu title and reorder the entry 4. patch 2: use FIELD_GET/FIELD_PREP to simplify the code. 5. patch 2: rename the irq handle function to match the irq_chip name Inochi Amaoto (2): dt-bindings: pci: Add Sophgo SG2044 PCIe host PCI: sophgo-dwc: Add Sophgo SG2044 PCIe driver .../bindings/pci/sophgo,sg2044-pcie.yaml | 122 ++++++++ drivers/pci/controller/dwc/Kconfig | 10 + drivers/pci/controller/dwc/Makefile | 1 + drivers/pci/controller/dwc/pcie-dw-sophgo.c | 270 ++++++++++++++++++ 4 files changed, 403 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/sophgo,sg2044-pcie.yaml create mode 100644 drivers/pci/controller/dwc/pcie-dw-sophgo.c --- 2.48.1