menuconfig PCI bool "PCI support" default y if PPC help Enable support for PCI (Peripheral Interconnect Bus), a type of bus used on some devices to allow the CPU to communicate with its peripherals. if PCI config DM_PCI bool "Enable driver model for PCI" depends on DM help Use driver model for PCI. Driver model is the new method for orgnising devices in U-Boot. For PCI, driver model keeps track of available PCI devices, allows scanning of PCI buses and provides device configuration support. config DM_PCI_COMPAT bool "Enable compatible functions for PCI" depends on DM_PCI help Enable compatibility functions for PCI so that old code can be used with CONFIG_DM_PCI enabled. This should be used as an interim measure when porting a board to use driver model for PCI. Once the board is fully supported, this option should be disabled. config PCI_AARDVARK bool "Enable Aardvark PCIe driver" default n depends on DM_PCI depends on DM_GPIO depends on ARMADA_3700 help Say Y here if you want to enable PCIe controller support on Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on Aardvark hardware. config PCI_PNP bool "Enable Plug & Play support for PCI" depends on PCI || DM_PCI default y help Enable PCI memory and I/O space resource allocation and assignment. config PCI_REGION_MULTI_ENTRY bool "Enable Multiple entries of region type MEMORY in ranges for PCI" depends on PCI || DM_PCI default n help Enable PCI memory regions to be of multiple entry. Multiple entry here refers to allow more than one count of address ranges for MEMORY region type. This helps to add support for SoC's like OcteonTX/TX2 where every peripheral is on the PCI bus. config PCI_SRIOV bool "Enable Single Root I/O Virtualization support for PCI" depends on PCI || DM_PCI default n help Say Y here if you want to enable PCI Single Root I/O Virtualization capability support. This helps to enumerate Virtual Function devices if available on a PCI Physical Function device and probe for applicable drivers. config PCI_ARID bool "Enable Alternate Routing-ID support for PCI" depends on PCI || DM_PCI default n help Say Y here if you want to enable Alternate Routing-ID capability support on PCI devices. This helps to skip some devices in BDF scan that are not present. config PCIE_ECAM_GENERIC bool "Generic ECAM-based PCI host controller support" default n depends on DM_PCI help Say Y here if you want to enable support for generic ECAM-based PCIe host controllers, such as the one emulated by QEMU. config PCI_PHYTIUM bool "Phytium PCIe support" depends on DM_PCI help Say Y here if you want to enable PCIe controller support on Phytium SoCs. config PCIE_DW_MVEBU bool "Enable Armada-8K PCIe driver (DesignWare core)" depends on DM_PCI depends on ARMADA_8K help Say Y here if you want to enable PCIe controller support on Armada-8K SoCs. The PCIe controller on Armada-8K is based on DesignWare hardware. config PCIE_FSL bool "FSL PowerPC PCIe support" depends on DM_PCI help Say Y here if you want to enable PCIe controller support on FSL PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs. This driver does not support SRIO_PCIE_BOOT feature. config PCI_MPC85XX bool "MPC85XX PowerPC PCI support" depends on DM_PCI help Say Y here if you want to enable PCI controller support on FSL PowerPC MPC85xx SoC. config PCI_RCAR_GEN2 bool "Renesas RCar Gen2 PCIe driver" depends on DM_PCI depends on RCAR_32 help Say Y here if you want to enable PCIe controller support on Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is also used to access EHCI USB controller on the SoC. config PCI_RCAR_GEN3 bool "Renesas RCar Gen3 PCIe driver" depends on DM_PCI depends on RCAR_GEN3 help Say Y here if you want to enable PCIe controller support on Renesas RCar Gen3 SoCs. config PCI_SANDBOX bool "Sandbox PCI support" depends on SANDBOX && DM_PCI help Support PCI on sandbox, as an emulated bus. This permits testing of PCI feature such as bus scanning, device configuration and device access. The available (emulated) devices are defined statically in the device tree but the normal PCI scan technique is used to find then. config PCI_TEGRA bool "Tegra PCI support" depends on ARCH_TEGRA depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186) help Enable support for the PCIe controller found on some generations of Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports with a total of 5 lanes. Some boards require this for Ethernet support to work (e.g. beaver, jetson-tk1). config PCI_OCTEONTX bool "OcteonTX PCI support" depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2) help Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers. These controllers provide PCI configuration access to all on-board peripherals so it should only be disabled for testing purposes config PCI_XILINX bool "Xilinx AXI Bridge for PCI Express" depends on DM_PCI help Enable support for the Xilinx AXI bridge for PCI express, an IP block which can be used on some generations of Xilinx FPGAs. config PCIE_LAYERSCAPE bool default n config PCIE_LAYERSCAPE_RC bool "Layerscape PCIe Root Complex mode support" depends on DM_PCI select PCIE_LAYERSCAPE help Enable Layerscape PCIe Root Complex mode driver support. The Layerscape SoC may have one or several PCIe controllers. Each controller can be configured to Root Complex mode by clearing the corresponding bit of RCW[HOST_AGT_PEX]. config PCI_IOMMU_EXTRA_MAPPINGS bool "Support for specifying extra IOMMU mappings for PCI" depends on PCIE_LAYERSCAPE_RC help Enable support for specifying extra IOMMU mappings for PCI controllers through a special env var called "pci_iommu_extra" or through a device tree property named "pci-iommu-extra" placed in the node describing the PCI controller. The intent is to cover SR-IOV scenarios which need mappings for VFs and PCI hot-plug scenarios. More documentation can be found under: arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra config PCIE_LAYERSCAPE_EP bool "Layerscape PCIe Endpoint mode support" depends on DM_PCI select PCIE_LAYERSCAPE select PCI_ENDPOINT help Enable Layerscape PCIe Endpoint mode driver support. The Layerscape SoC may have one or several PCIe controllers. Each controller can be configured to Endpoint mode by setting the corresponding bit of RCW[HOST_AGT_PEX]. config PCIE_LAYERSCAPE_GEN4 bool "Layerscape Gen4 PCIe support" depends on DM_PCI help Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or several PCIe controllers. The PCIe controller can work in RC or EP mode according to RCW[HOST_AGT_PEX] setting. config FSL_PCIE_COMPAT string "PCIe compatible of Kernel DT" depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4 default "fsl,ls1012a-pcie" if ARCH_LS1012A default "fsl,ls1028a-pcie" if ARCH_LS1028A default "fsl,ls1043a-pcie" if ARCH_LS1043A default "fsl,ls1046a-pcie" if ARCH_LS1046A default "fsl,ls2080a-pcie" if ARCH_LS2080A default "fsl,ls1088a-pcie" if ARCH_LS1088A default "fsl,lx2160a-pcie" if ARCH_LX2160A default "fsl,ls2088a-pcie" if ARCH_LX2162A default "fsl,ls1021a-pcie" if ARCH_LS1021A help This compatible is used to find pci controller node in Kernel DT to complete fixup. config FSL_PCIE_EP_COMPAT string "PCIe EP compatible of Kernel DT" depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4 default "fsl,lx2160a-pcie-ep" if ARCH_LX2160A default "fsl,ls-pcie-ep" help This compatible is used to find pci controller ep node in Kernel DT to complete fixup. config PCIE_INTEL_FPGA bool "Intel FPGA PCIe support" depends on DM_PCI help Say Y here if you want to enable PCIe controller support on Intel FPGA, example Stratix 10. config PCIE_IPROC bool "Iproc PCIe support" depends on DM_PCI help Broadcom iProc PCIe controller driver. Say Y here if you want to enable Broadcom iProc PCIe controller, config PCI_MVEBU bool "Enable Armada XP/38x PCIe driver" depends on ARCH_MVEBU select DM_PCI select MISC help Say Y here if you want to enable PCIe controller support on Armada XP/38x SoCs. config PCIE_DW_COMMON bool select DM_PCI config PCI_KEYSTONE bool "TI Keystone PCIe controller" select PCIE_DW_COMMON help Say Y here if you want to enable PCI controller support on AM654 SoC. config PCIE_MEDIATEK bool "MediaTek PCIe Gen2 controller" depends on DM_PCI depends on ARCH_MEDIATEK help Say Y here if you want to enable Gen2 PCIe controller, which could be found on MT7623 SoC family. config PCIE_DW_MESON bool "Amlogic Meson DesignWare based PCIe controller" depends on ARCH_MESON select PCIE_DW_COMMON help Say Y here if you want to enable DW PCIe controller support on Amlogic SoCs. config PCIE_ROCKCHIP bool "Enable Rockchip PCIe driver" depends on ARCH_ROCKCHIP select DM_PCI select PHY_ROCKCHIP_PCIE default y if ROCKCHIP_RK3399 help Say Y here if you want to enable PCIe controller support on Rockchip SoCs. config PCIE_DW_ROCKCHIP bool "Rockchip DesignWare based PCIe controller" depends on ARCH_ROCKCHIP select PCIE_DW_COMMON select PHY_ROCKCHIP_SNPS_PCIE3 help Say Y here if you want to enable DW PCIe controller support on Rockchip SoCs. config PCI_BRCMSTB bool "Broadcom STB PCIe controller" depends on DM_PCI depends on ARCH_BCM283X help Say Y here if you want to enable support for PCIe controller on Broadcom set-top-box (STB) SoCs. This driver currently supports only BCM2711 SoC and RC mode of the controller. endif