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https://github.com/AsahiLinux/u-boot
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416395c772
Add pcie driver for SiFive fu740, the driver depends on fu740 gpio, clk and reset driver to do init. Force running at Gen1 for better capatible enumeration. Several devices are tested: a) M.2 NVMe SSD b) USB-to-PCI adapter c) Ethernet adapter (E1000 compatible) Signed-off-by: Green Wan <green.wan@sifive.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
331 lines
10 KiB
Text
331 lines
10 KiB
Text
menuconfig PCI
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bool "PCI support"
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default y if PPC
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help
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Enable support for PCI (Peripheral Interconnect Bus), a type of bus
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used on some devices to allow the CPU to communicate with its
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peripherals.
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if PCI
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config DM_PCI
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bool "Enable driver model for PCI"
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depends on DM
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help
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Use driver model for PCI. Driver model is the new method for
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orgnising devices in U-Boot. For PCI, driver model keeps track of
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available PCI devices, allows scanning of PCI buses and provides
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device configuration support.
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config DM_PCI_COMPAT
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bool "Enable compatible functions for PCI"
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depends on DM_PCI
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help
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Enable compatibility functions for PCI so that old code can be used
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with CONFIG_DM_PCI enabled. This should be used as an interim
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measure when porting a board to use driver model for PCI. Once the
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board is fully supported, this option should be disabled.
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config PCI_AARDVARK
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bool "Enable Aardvark PCIe driver"
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default n
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depends on DM_PCI
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depends on DM_GPIO
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depends on ARMADA_3700
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help
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Say Y here if you want to enable PCIe controller support on
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Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on
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Aardvark hardware.
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config PCI_PNP
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bool "Enable Plug & Play support for PCI"
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depends on PCI || DM_PCI
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default y
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help
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Enable PCI memory and I/O space resource allocation and assignment.
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config PCI_REGION_MULTI_ENTRY
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bool "Enable Multiple entries of region type MEMORY in ranges for PCI"
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depends on PCI || DM_PCI
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default n
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help
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Enable PCI memory regions to be of multiple entry. Multiple entry
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here refers to allow more than one count of address ranges for MEMORY
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region type. This helps to add support for SoC's like OcteonTX/TX2
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where every peripheral is on the PCI bus.
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config PCI_SRIOV
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bool "Enable Single Root I/O Virtualization support for PCI"
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depends on PCI || DM_PCI
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default n
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help
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Say Y here if you want to enable PCI Single Root I/O Virtualization
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capability support. This helps to enumerate Virtual Function devices
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if available on a PCI Physical Function device and probe for
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applicable drivers.
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config PCI_ARID
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bool "Enable Alternate Routing-ID support for PCI"
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depends on PCI || DM_PCI
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default n
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help
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Say Y here if you want to enable Alternate Routing-ID capability
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support on PCI devices. This helps to skip some devices in BDF
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scan that are not present.
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config PCIE_ECAM_GENERIC
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bool "Generic ECAM-based PCI host controller support"
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default n
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depends on DM_PCI
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help
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Say Y here if you want to enable support for generic ECAM-based
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PCIe host controllers, such as the one emulated by QEMU.
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config PCI_PHYTIUM
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bool "Phytium PCIe support"
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depends on DM_PCI
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help
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Say Y here if you want to enable PCIe controller support on
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Phytium SoCs.
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config PCIE_DW_MVEBU
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bool "Enable Armada-8K PCIe driver (DesignWare core)"
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depends on DM_PCI
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depends on ARMADA_8K
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help
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Say Y here if you want to enable PCIe controller support on
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Armada-8K SoCs. The PCIe controller on Armada-8K is based on
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DesignWare hardware.
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config PCIE_DW_SIFIVE
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bool "Enable SiFive FU740 PCIe"
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depends on CLK_SIFIVE_PRCI
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depends on RESET_SIFIVE
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depends on SIFIVE_GPIO
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select PCIE_DW_COMMON
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help
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Say Y here if you want to enable PCIe controller support on
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FU740.
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config PCIE_FSL
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bool "FSL PowerPC PCIe support"
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depends on DM_PCI
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help
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Say Y here if you want to enable PCIe controller support on FSL
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PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
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This driver does not support SRIO_PCIE_BOOT feature.
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config PCI_MPC85XX
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bool "MPC85XX PowerPC PCI support"
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depends on DM_PCI
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help
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Say Y here if you want to enable PCI controller support on FSL
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PowerPC MPC85xx SoC.
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config PCI_RCAR_GEN2
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bool "Renesas RCar Gen2 PCIe driver"
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depends on DM_PCI
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depends on RCAR_32
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help
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Say Y here if you want to enable PCIe controller support on
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Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
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also used to access EHCI USB controller on the SoC.
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config PCI_RCAR_GEN3
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bool "Renesas RCar Gen3 PCIe driver"
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depends on DM_PCI
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depends on RCAR_GEN3
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help
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Say Y here if you want to enable PCIe controller support on
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Renesas RCar Gen3 SoCs.
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config PCI_SANDBOX
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bool "Sandbox PCI support"
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depends on SANDBOX && DM_PCI
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help
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Support PCI on sandbox, as an emulated bus. This permits testing of
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PCI feature such as bus scanning, device configuration and device
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access. The available (emulated) devices are defined statically in
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the device tree but the normal PCI scan technique is used to find
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then.
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config PCI_TEGRA
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bool "Tegra PCI support"
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depends on ARCH_TEGRA
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depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
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help
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Enable support for the PCIe controller found on some generations of
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Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
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3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
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with a total of 5 lanes. Some boards require this for Ethernet
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support to work (e.g. beaver, jetson-tk1).
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config PCI_OCTEONTX
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bool "OcteonTX PCI support"
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depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
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help
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Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
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These controllers provide PCI configuration access to all on-board
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peripherals so it should only be disabled for testing purposes
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config PCIE_OCTEON
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bool "MIPS Octeon PCIe support"
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depends on ARCH_OCTEON
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help
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Enable support for the MIPS Octeon SoC family PCIe controllers.
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config PCI_XILINX
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bool "Xilinx AXI Bridge for PCI Express"
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depends on DM_PCI
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help
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Enable support for the Xilinx AXI bridge for PCI express, an IP block
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which can be used on some generations of Xilinx FPGAs.
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config PCIE_LAYERSCAPE
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bool
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default n
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config PCIE_LAYERSCAPE_RC
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bool "Layerscape PCIe Root Complex mode support"
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depends on DM_PCI
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select PCIE_LAYERSCAPE
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help
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Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
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SoC may have one or several PCIe controllers. Each controller can be
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configured to Root Complex mode by clearing the corresponding bit of
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RCW[HOST_AGT_PEX].
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config PCI_IOMMU_EXTRA_MAPPINGS
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bool "Support for specifying extra IOMMU mappings for PCI"
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depends on PCIE_LAYERSCAPE_RC
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help
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Enable support for specifying extra IOMMU mappings for PCI
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controllers through a special env var called "pci_iommu_extra" or
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through a device tree property named "pci-iommu-extra" placed in
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the node describing the PCI controller.
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The intent is to cover SR-IOV scenarios which need mappings for VFs
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and PCI hot-plug scenarios. More documentation can be found under:
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arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
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config PCIE_LAYERSCAPE_EP
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bool "Layerscape PCIe Endpoint mode support"
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depends on DM_PCI
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select PCIE_LAYERSCAPE
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select PCI_ENDPOINT
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help
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Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
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SoC may have one or several PCIe controllers. Each controller can be
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configured to Endpoint mode by setting the corresponding bit of
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RCW[HOST_AGT_PEX].
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config PCIE_LAYERSCAPE_GEN4
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bool "Layerscape Gen4 PCIe support"
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depends on DM_PCI
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help
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Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
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several PCIe controllers. The PCIe controller can work in RC or
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EP mode according to RCW[HOST_AGT_PEX] setting.
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config FSL_PCIE_COMPAT
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string "PCIe compatible of Kernel DT"
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depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
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default "fsl,ls1012a-pcie" if ARCH_LS1012A
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default "fsl,ls1028a-pcie" if ARCH_LS1028A
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default "fsl,ls1043a-pcie" if ARCH_LS1043A
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default "fsl,ls1046a-pcie" if ARCH_LS1046A
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default "fsl,ls2080a-pcie" if ARCH_LS2080A
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default "fsl,ls1088a-pcie" if ARCH_LS1088A
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default "fsl,lx2160a-pcie" if ARCH_LX2160A
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default "fsl,ls2088a-pcie" if ARCH_LX2162A
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default "fsl,ls1021a-pcie" if ARCH_LS1021A
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help
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This compatible is used to find pci controller node in Kernel DT
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to complete fixup.
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config FSL_PCIE_EP_COMPAT
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string "PCIe EP compatible of Kernel DT"
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depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
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default "fsl,lx2160a-pcie-ep" if ARCH_LX2160A
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default "fsl,ls-pcie-ep"
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help
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This compatible is used to find pci controller ep node in Kernel DT
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to complete fixup.
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config PCIE_INTEL_FPGA
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bool "Intel FPGA PCIe support"
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depends on DM_PCI
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help
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Say Y here if you want to enable PCIe controller support on Intel
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FPGA, example Stratix 10.
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config PCIE_IPROC
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bool "Iproc PCIe support"
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depends on DM_PCI
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help
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Broadcom iProc PCIe controller driver.
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Say Y here if you want to enable Broadcom iProc PCIe controller,
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config PCI_MVEBU
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bool "Enable Armada XP/38x PCIe driver"
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depends on ARCH_MVEBU
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select DM_PCI
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select MISC
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help
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Say Y here if you want to enable PCIe controller support on
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Armada XP/38x SoCs.
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config PCIE_DW_COMMON
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bool
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select DM_PCI
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config PCI_KEYSTONE
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bool "TI Keystone PCIe controller"
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select PCIE_DW_COMMON
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help
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Say Y here if you want to enable PCI controller support on AM654 SoC.
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config PCIE_MEDIATEK
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bool "MediaTek PCIe Gen2 controller"
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depends on DM_PCI
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depends on ARCH_MEDIATEK
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help
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Say Y here if you want to enable Gen2 PCIe controller,
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which could be found on MT7623 SoC family.
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config PCIE_DW_MESON
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bool "Amlogic Meson DesignWare based PCIe controller"
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depends on ARCH_MESON
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select PCIE_DW_COMMON
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help
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Say Y here if you want to enable DW PCIe controller support on
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Amlogic SoCs.
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config PCIE_ROCKCHIP
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bool "Enable Rockchip PCIe driver"
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depends on ARCH_ROCKCHIP
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select DM_PCI
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select PHY_ROCKCHIP_PCIE
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default y if ROCKCHIP_RK3399
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help
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Say Y here if you want to enable PCIe controller support on
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Rockchip SoCs.
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config PCIE_DW_ROCKCHIP
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bool "Rockchip DesignWare based PCIe controller"
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depends on ARCH_ROCKCHIP
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select PCIE_DW_COMMON
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select PHY_ROCKCHIP_SNPS_PCIE3
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help
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Say Y here if you want to enable DW PCIe controller support on
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Rockchip SoCs.
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config PCI_BRCMSTB
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bool "Broadcom STB PCIe controller"
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depends on DM_PCI
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depends on ARCH_BCM283X
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help
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Say Y here if you want to enable support for PCIe controller
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on Broadcom set-top-box (STB) SoCs.
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This driver currently supports only BCM2711 SoC and RC mode
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of the controller.
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endif
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