menuconfig PCI bool "PCI support" depends on DM 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. This subsystem requires driver model. if PCI config DM_PCI_COMPAT bool "Enable compatible functions for PCI" help Enable compatibility functions for PCI so that old code can be used with CONFIG_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 SYS_PCI_64BIT bool "Enable 64-bit PCI resources" default y if PPC help Enable 64-bit PCI resource access. config PCI_AARDVARK bool "Enable Aardvark PCIe driver" 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" default y help Enable PCI memory and I/O space resource allocation and assignment. config SPL_PCI_PNP bool "Enable Plug & Play support for PCI in SPL" depends on SPL_PCI help Enable PCI memory and I/O space resource allocation and assignment. This is required to auto configure the enumerated devices. This is normally not done in SPL, but can be enabled if devices must be set up in the SPL phase. Often it is enough to manually configure one device, so this option can be disabled. config PCI_REGION_MULTI_ENTRY bool "Enable Multiple entries of region type MEMORY in ranges for PCI" 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_CONFIG_HOST_BRIDGE bool "Configure PCI host bridges" default y if X86 config PCI_MAP_SYSTEM_MEMORY bool "Map local system memory from a virtual base address" depends on MIPS help Say Y if base address of system memory is being used as a virtual address instead of a physical address (e.g. on MIPS). The PCI core will then remap the virtual memory base address to a physical address when adding the PCI region of type PCI_REGION_SYS_MEMORY. This should only be required on MIPS where CFG_SYS_SDRAM_BASE is still being used as virtual address. config PCI_SRIOV bool "Enable Single Root I/O Virtualization support for PCI" 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_ENHANCED_ALLOCATION bool "Enable support for Enhanced Allocation of resources" default y help Enable support for Enhanced Allocation which can be used by supported devices in place of traditional BARS for allocation of resources. config PCI_ARID bool "Enable Alternate Routing-ID support for PCI" 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 PCI_SCAN_SHOW bool "Show PCI devices during startup" depends on PCIE_IMX config PCIE_ECAM_GENERIC bool "Generic ECAM-based PCI host controller support" 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 PCIE_ECAM_SYNQUACER bool "SynQuacer ECAM-based PCI host controller support" select PCI_INIT_R select PCI_REGION_MULTI_ENTRY help Say Y here if you want to enable support for Socionext SynQuacer SoC's ECAM-based PCIe host controllers. Note that this must be configured when boot because Linux driver expects the PCIe RC has been configured in the bootloader. config PCIE_APPLE bool "Enable Apple PCIe driver" depends on ARCH_APPLE imply PCI_INIT_R select SYS_PCI_64BIT default y help Say Y here if you want to enable PCIe controller support on Apple SoCs. config PCI_FTPCI100 bool "Enable Faraday FTPCI100 PCI Bridge Controller driver" help Say Y here if you want to enable Faraday FTPCI100 PCI. FTPCI100 IP is used in SoC chip designs. config PCI_GT64120 bool "GT64120 PCI support" depends on MIPS config PCI_PHYTIUM bool "Phytium PCIe support" help Say Y here if you want to enable PCIe controller support on Phytium SoCs. config PCIE_DW_IMX bool "Enable NXP i.MX8M PCIe driver (DesignWare core)" depends on ARCH_IMX8M depends on IMX8M_POWER_DOMAIN select SYSCON select REGMAP select PCIE_DW_COMMON help Say Y here if you want to enable PCIe controller support on i.MX8M SoCs. The PCIe controller on i.MX8M is based on DesignWare hardware. config PCIE_DW_MVEBU bool "Enable Armada-8K PCIe driver (DesignWare core)" 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_DW_SIFIVE bool "Enable SiFive FU740 PCIe" depends on CLK_SIFIVE_PRCI depends on RESET_SIFIVE depends on SIFIVE_GPIO select PCIE_DW_COMMON help Say Y here if you want to enable PCIe controller support on FU740. config SYS_FSL_PCI_VER_3_X bool config PCIE_FSL bool "FSL PowerPC PCIe support" select SYS_FSL_PCI_VER_3_X if ARCH_T2080 || ARCH_T4240 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" help Say Y here if you want to enable PCI controller support on FSL PowerPC MPC85xx SoC. config PCI_MSC01 bool "MSC01 PCI support" depends on TARGET_MALTA config PCI_RCAR_GEN2 bool "Renesas RCar Gen2 PCIe driver" 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 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 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 SH7751_PCI bool "SH7751 PCI controller support" depends on SH help SuperH PCI Bridge Configuration 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 PCIE_OCTEON bool "MIPS Octeon PCIe support" depends on ARCH_OCTEON help Enable support for the MIPS Octeon SoC family PCIe controllers. config PCI_XILINX bool "Xilinx AXI Bridge for PCI Express" 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 config PCIE_LAYERSCAPE_RC bool "Layerscape PCIe Root Complex mode support" 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" 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" 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,ls2088a-pcie" if ARCH_LX2160A || 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,ls-pcie-ep" help This compatible is used to find pci controller ep node in Kernel DT to complete fixup. config PCIE_IMX bool "i.MX PCIe support" depends on ARCH_MX6 config PCIE_INTEL_FPGA bool "Intel FPGA PCIe support" 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" help Broadcom iProc PCIe controller driver. Say Y here if you want to enable Broadcom iProc PCIe controller, config PCI_MVEBU bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver" depends on (ARCH_KIRKWOOD || ARCH_MVEBU) select MISC select DM_RESET select DM_GPIO help Say Y here if you want to enable PCIe controller support on Kirkwood and Armada 370/XP/375/38x SoCs. config PCIE_DW_COMMON bool 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 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 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 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. config PCIE_UNIPHIER bool "Socionext UniPhier PCIe driver" depends on ARCH_UNIPHIER select PHY_UNIPHIER_PCIE help Say Y here if you want to enable PCIe controller support on UniPhier SoCs. config PCIE_XILINX_NWL bool "Xilinx NWL PCIe controller" depends on ARCH_ZYNQMP help Say 'Y' here if you want support for Xilinx / AMD NWL PCIe controller as Root Port. config PCIE_PLDA_COMMON bool config PCIE_STARFIVE_JH7110 bool "Enable Starfive JH7110 PCIe driver" select PCIE_PLDA_COMMON imply STARFIVE_JH7110 imply CLK_JH7110 imply RESET_JH7110 help Say Y here if you want to enable PLDA XpressRich PCIe controller support on StarFive JH7110 SoC. endif