6 Enable support for PCI (Peripheral Interconnect Bus), a type of bus
7 used on some devices to allow the CPU to communicate with its
10 This subsystem requires driver model.
15 bool "Enable compatible functions for PCI"
17 Enable compatibility functions for PCI so that old code can be used
18 with CONFIG_PCI enabled. This should be used as an interim
19 measure when porting a board to use driver model for PCI. Once the
20 board is fully supported, this option should be disabled.
23 bool "Enable Aardvark PCIe driver"
25 depends on ARMADA_3700
27 Say Y here if you want to enable PCIe controller support on
28 Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on
32 bool "Enable Plug & Play support for PCI"
35 Enable PCI memory and I/O space resource allocation and assignment.
37 config PCI_REGION_MULTI_ENTRY
38 bool "Enable Multiple entries of region type MEMORY in ranges for PCI"
40 Enable PCI memory regions to be of multiple entry. Multiple entry
41 here refers to allow more than one count of address ranges for MEMORY
42 region type. This helps to add support for SoC's like OcteonTX/TX2
43 where every peripheral is on the PCI bus.
45 config PCI_MAP_SYSTEM_MEMORY
46 bool "Map local system memory from a virtual base address"
49 Say Y if base address of system memory is being used as a virtual address
50 instead of a physical address (e.g. on MIPS). The PCI core will then remap
51 the virtual memory base address to a physical address when adding the PCI
52 region of type PCI_REGION_SYS_MEMORY.
53 This should only be required on MIPS where CONFIG_SYS_SDRAM_BASE is still
54 being used as virtual address.
57 bool "Enable Single Root I/O Virtualization support for PCI"
59 Say Y here if you want to enable PCI Single Root I/O Virtualization
60 capability support. This helps to enumerate Virtual Function devices
61 if available on a PCI Physical Function device and probe for
65 bool "Enable Alternate Routing-ID support for PCI"
67 Say Y here if you want to enable Alternate Routing-ID capability
68 support on PCI devices. This helps to skip some devices in BDF
69 scan that are not present.
71 config PCIE_ECAM_GENERIC
72 bool "Generic ECAM-based PCI host controller support"
74 Say Y here if you want to enable support for generic ECAM-based
75 PCIe host controllers, such as the one emulated by QEMU.
77 config PCIE_ECAM_SYNQUACER
78 bool "SynQuacer ECAM-based PCI host controller support"
80 select PCI_REGION_MULTI_ENTRY
82 Say Y here if you want to enable support for Socionext
83 SynQuacer SoC's ECAM-based PCIe host controllers.
84 Note that this must be configured when boot because Linux driver
85 expects the PCIe RC has been configured in the bootloader.
88 bool "Phytium PCIe support"
90 Say Y here if you want to enable PCIe controller support on
94 bool "Enable Armada-8K PCIe driver (DesignWare core)"
97 Say Y here if you want to enable PCIe controller support on
98 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
101 config PCIE_DW_SIFIVE
102 bool "Enable SiFive FU740 PCIe"
103 depends on CLK_SIFIVE_PRCI
104 depends on RESET_SIFIVE
105 depends on SIFIVE_GPIO
106 select PCIE_DW_COMMON
108 Say Y here if you want to enable PCIe controller support on
112 bool "FSL PowerPC PCIe support"
114 Say Y here if you want to enable PCIe controller support on FSL
115 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
116 This driver does not support SRIO_PCIE_BOOT feature.
119 bool "MPC85XX PowerPC PCI support"
121 Say Y here if you want to enable PCI controller support on FSL
125 bool "Renesas RCar Gen2 PCIe driver"
128 Say Y here if you want to enable PCIe controller support on
129 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
130 also used to access EHCI USB controller on the SoC.
133 bool "Renesas RCar Gen3 PCIe driver"
136 Say Y here if you want to enable PCIe controller support on
137 Renesas RCar Gen3 SoCs.
140 bool "Sandbox PCI support"
143 Support PCI on sandbox, as an emulated bus. This permits testing of
144 PCI feature such as bus scanning, device configuration and device
145 access. The available (emulated) devices are defined statically in
146 the device tree but the normal PCI scan technique is used to find
150 bool "Tegra PCI support"
151 depends on ARCH_TEGRA
152 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
154 Enable support for the PCIe controller found on some generations of
155 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
156 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
157 with a total of 5 lanes. Some boards require this for Ethernet
158 support to work (e.g. beaver, jetson-tk1).
161 bool "OcteonTX PCI support"
162 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
164 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
165 These controllers provide PCI configuration access to all on-board
166 peripherals so it should only be disabled for testing purposes
169 bool "MIPS Octeon PCIe support"
170 depends on ARCH_OCTEON
172 Enable support for the MIPS Octeon SoC family PCIe controllers.
175 bool "Xilinx AXI Bridge for PCI Express"
177 Enable support for the Xilinx AXI bridge for PCI express, an IP block
178 which can be used on some generations of Xilinx FPGAs.
180 config PCIE_LAYERSCAPE
183 config PCIE_LAYERSCAPE_RC
184 bool "Layerscape PCIe Root Complex mode support"
185 select PCIE_LAYERSCAPE
187 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
188 SoC may have one or several PCIe controllers. Each controller can be
189 configured to Root Complex mode by clearing the corresponding bit of
192 config PCI_IOMMU_EXTRA_MAPPINGS
193 bool "Support for specifying extra IOMMU mappings for PCI"
194 depends on PCIE_LAYERSCAPE_RC
196 Enable support for specifying extra IOMMU mappings for PCI
197 controllers through a special env var called "pci_iommu_extra" or
198 through a device tree property named "pci-iommu-extra" placed in
199 the node describing the PCI controller.
200 The intent is to cover SR-IOV scenarios which need mappings for VFs
201 and PCI hot-plug scenarios. More documentation can be found under:
202 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
204 config PCIE_LAYERSCAPE_EP
205 bool "Layerscape PCIe Endpoint mode support"
206 select PCIE_LAYERSCAPE
209 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
210 SoC may have one or several PCIe controllers. Each controller can be
211 configured to Endpoint mode by setting the corresponding bit of
214 config PCIE_LAYERSCAPE_GEN4
215 bool "Layerscape Gen4 PCIe support"
217 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
218 several PCIe controllers. The PCIe controller can work in RC or
219 EP mode according to RCW[HOST_AGT_PEX] setting.
221 config FSL_PCIE_COMPAT
222 string "PCIe compatible of Kernel DT"
223 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
224 default "fsl,ls1012a-pcie" if ARCH_LS1012A
225 default "fsl,ls1028a-pcie" if ARCH_LS1028A
226 default "fsl,ls1043a-pcie" if ARCH_LS1043A
227 default "fsl,ls1046a-pcie" if ARCH_LS1046A
228 default "fsl,ls2080a-pcie" if ARCH_LS2080A
229 default "fsl,ls1088a-pcie" if ARCH_LS1088A
230 default "fsl,lx2160a-pcie" if ARCH_LX2160A
231 default "fsl,ls2088a-pcie" if ARCH_LX2162A
232 default "fsl,ls1021a-pcie" if ARCH_LS1021A
234 This compatible is used to find pci controller node in Kernel DT
237 config FSL_PCIE_EP_COMPAT
238 string "PCIe EP compatible of Kernel DT"
239 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
240 default "fsl,lx2160a-pcie-ep" if ARCH_LX2160A
241 default "fsl,ls-pcie-ep"
243 This compatible is used to find pci controller ep node in Kernel DT
246 config PCIE_INTEL_FPGA
247 bool "Intel FPGA PCIe support"
249 Say Y here if you want to enable PCIe controller support on Intel
250 FPGA, example Stratix 10.
253 bool "Iproc PCIe support"
255 Broadcom iProc PCIe controller driver.
256 Say Y here if you want to enable Broadcom iProc PCIe controller,
259 bool "Enable Armada XP/38x PCIe driver"
260 depends on ARCH_MVEBU
263 Say Y here if you want to enable PCIe controller support on
266 config PCIE_DW_COMMON
270 bool "TI Keystone PCIe controller"
271 select PCIE_DW_COMMON
273 Say Y here if you want to enable PCI controller support on AM654 SoC.
276 bool "MediaTek PCIe Gen2 controller"
277 depends on ARCH_MEDIATEK
279 Say Y here if you want to enable Gen2 PCIe controller,
280 which could be found on MT7623 SoC family.
283 bool "Amlogic Meson DesignWare based PCIe controller"
284 depends on ARCH_MESON
285 select PCIE_DW_COMMON
287 Say Y here if you want to enable DW PCIe controller support on
291 bool "Enable Rockchip PCIe driver"
292 depends on ARCH_ROCKCHIP
293 select PHY_ROCKCHIP_PCIE
294 default y if ROCKCHIP_RK3399
296 Say Y here if you want to enable PCIe controller support on
299 config PCIE_DW_ROCKCHIP
300 bool "Rockchip DesignWare based PCIe controller"
301 depends on ARCH_ROCKCHIP
302 select PCIE_DW_COMMON
303 select PHY_ROCKCHIP_SNPS_PCIE3
305 Say Y here if you want to enable DW PCIe controller support on
309 bool "Broadcom STB PCIe controller"
310 depends on ARCH_BCM283X
312 Say Y here if you want to enable support for PCIe controller
313 on Broadcom set-top-box (STB) SoCs.
314 This driver currently supports only BCM2711 SoC and RC mode
318 bool "Socionext UniPhier PCIe driver"
319 depends on ARCH_UNIPHIER
320 select PHY_UNIPHIER_PCIE
322 Say Y here if you want to enable PCIe controller support on