Hi Yoshihiro On Fri, Apr 14, 2023 at 03:16:03PM +0900, Yoshihiro Shimoda wrote: > Add R-Car S4-8 (R-Car Gen4) PCIe Host and Endpoint support. > To support them, modify PCIe DesignWare common codes. Thanks for the updates. I'll have a look at the series on the next week. -Serge(y) > > Changes from v11: > https://lore.kernel.org/linux-pci/20230310123510.675685-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > - Based on next-20230413 > - Based on the following cleanups patches: > [PATCH v4 00/14] PCI: dwc: Relatively simple fixes and cleanups > https://lore.kernel.org/linux-pci/20230414021832.13167-1-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/ > - Drop a fixed patch of pci-epf-test because I have submitted it independently. > - Split patches about adding dw_pcie_link_set_max_* functions. > - Split patches about modify __dw_pcie_prog_outbound_atu(). > - Add description about num lanes into the commit log. > - Add some macros into pci_regs.h and pci.h. > - Add comment about disabling bars in pcie-rcar-gen4-host.c. > - Set MAX_MSI_IRQS to num_vectors for handling 32 MSIs. > - Add .ep_deinit(). > - Add retrain link handling of PCIe Host mode for detecting PCIe Gen4. > - Modify some minor things. > > Changes from v10: > https://lore.kernel.org/linux-pci/20230308082352.491561-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > - Fix dt-bindings doc for endpoint (reported by Rob's bot). > - Add reg and reg-names to the dt-bindings doc of host. > - Fix examples in the dt-bindings docs of both host and endpoint. > - Add R-Car S4-8 device ID into the pci_test_endpoint driver. > > Changes from v9: > https://lore.kernel.org/linux-pci/20230210134917.2909314-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > - Based on next-20230306 > - Add bug fix patches into this patch series. > https://lore.kernel.org/linux-pci/20230216092012.3256440-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > https://lore.kernel.org/linux-pci/20230222015327.3585691-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > - Add maximum for max-link-speed and num-lanes to dt-bindings of both host and endpoint. > - Add max-functions to dt-bindings of endpoint. > - Use reg-names "app" on endpoint. > - Remove unnecessary linkup and wait process in rcar_gen4_pcie_host_init(). > - Remove unnecessary macros in pcie-rcar-gen4.h. > - Use dbi2 to write BAR mask registers. > - Remove no_msix and intx_by_atu flags. > - Reduce __dw_pcie_prog_outbound_atu() arguments. > - Add dw_pcie_num_lanes_setup() to setup num_lanes. > - Refactor dw_pcie_setup() to avoid PCIE_PORT_LINK_CONTROL writing twice. > > Yoshihiro Shimoda (19): > PCI: Add PCI_EXP_LNKCAP_MLW macros > PCI: Add INtx Mechanism Messages macros > PCI: Add PCI_HEADER_TYPE_MULTI_FUNC > PCI: dwc: Add dw_pcie_link_set_max_link_width() > PCI: dwc: Add dw_pcie_link_set_max_width() > PCI: dwc: Add dw_pcie_link_set_max_cap_width() > PCI: dwc: Expose dw_pcie_ep_exit() to module > PCI: dwc: Introduce struct dw_pcie_outbound_atu > PCI: dwc: Add members into struct dw_pcie_outbound_atu > PCI: dwc: Change arguments of dw_pcie_prog_ep_outbound_atu() > PCI: dwc: Add support for triggering legacy IRQs > PCI: dwc: Add EDMA_UNROLL capability flag > PCI: dwc: Introduce .ep_pre_init() and .ep_deinit() > dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Host > dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Endpoint > PCI: rcar-gen4: Add R-Car Gen4 PCIe Host support > PCI: rcar-gen4-ep: Add R-Car Gen4 PCIe Endpoint support > MAINTAINERS: Update PCI DRIVER FOR RENESAS R-CAR for R-Car Gen4 > misc: pci_endpoint_test: Add Device ID for R-Car S4-8 PCIe controller > > .../bindings/pci/rcar-gen4-pci-ep.yaml | 98 +++++++++ > .../bindings/pci/rcar-gen4-pci-host.yaml | 109 ++++++++++ > MAINTAINERS | 1 + > drivers/misc/pci_endpoint_test.c | 4 + > drivers/pci/controller/dwc/Kconfig | 18 ++ > drivers/pci/controller/dwc/Makefile | 4 + > .../pci/controller/dwc/pcie-designware-ep.c | 93 ++++++-- > drivers/pci/controller/dwc/pcie-designware.c | 201 +++++++++++------- > drivers/pci/controller/dwc/pcie-designware.h | 27 ++- > .../pci/controller/dwc/pcie-rcar-gen4-ep.c | 166 +++++++++++++++ > .../pci/controller/dwc/pcie-rcar-gen4-host.c | 134 ++++++++++++ > drivers/pci/controller/dwc/pcie-rcar-gen4.c | 187 ++++++++++++++++ > drivers/pci/controller/dwc/pcie-rcar-gen4.h | 49 +++++ > include/linux/pci.h | 18 ++ > include/uapi/linux/pci_regs.h | 7 + > 15 files changed, 1020 insertions(+), 96 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml > create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml > create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-ep.c > create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-host.c > create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.c > create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.h > > -- > 2.25.1 >
