On Thu, Apr 20, 2023 at 11:41:32PM +0300, Serge Semin wrote: > 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. Oh, I see there is v13 already submitted. I'll send my comments there then. -Serge(y) > > -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 > >
