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"
26 depends on ARMADA_3700
28 Say Y here if you want to enable PCIe controller support on
29 Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on
33 bool "Enable Plug & Play support for PCI"
36 Enable PCI memory and I/O space resource allocation and assignment.
38 config PCI_REGION_MULTI_ENTRY
39 bool "Enable Multiple entries of region type MEMORY in ranges for PCI"
42 Enable PCI memory regions to be of multiple entry. Multiple entry
43 here refers to allow more than one count of address ranges for MEMORY
44 region type. This helps to add support for SoC's like OcteonTX/TX2
45 where every peripheral is on the PCI bus.
47 config PCI_MAP_SYSTEM_MEMORY
48 bool "Map local system memory from a virtual base address"
52 Say Y if base address of system memory is being used as a virtual address
53 instead of a physical address (e.g. on MIPS). The PCI core will then remap
54 the virtual memory base address to a physical address when adding the PCI
55 region of type PCI_REGION_SYS_MEMORY.
56 This should only be required on MIPS where CONFIG_SYS_SDRAM_BASE is still
57 being used as virtual address.
60 bool "Enable Single Root I/O Virtualization support for PCI"
63 Say Y here if you want to enable PCI Single Root I/O Virtualization
64 capability support. This helps to enumerate Virtual Function devices
65 if available on a PCI Physical Function device and probe for
69 bool "Enable Alternate Routing-ID support for PCI"
72 Say Y here if you want to enable Alternate Routing-ID capability
73 support on PCI devices. This helps to skip some devices in BDF
74 scan that are not present.
76 config PCIE_ECAM_GENERIC
77 bool "Generic ECAM-based PCI host controller support"
80 Say Y here if you want to enable support for generic ECAM-based
81 PCIe host controllers, such as the one emulated by QEMU.
83 config PCIE_ECAM_SYNQUACER
84 bool "SynQuacer ECAM-based PCI host controller support"
87 select PCI_REGION_MULTI_ENTRY
89 Say Y here if you want to enable support for Socionext
90 SynQuacer SoC's ECAM-based PCIe host controllers.
91 Note that this must be configured when boot because Linux driver
92 expects the PCIe RC has been configured in the bootloader.
95 bool "Phytium PCIe support"
97 Say Y here if you want to enable PCIe controller support on
101 bool "Enable Armada-8K PCIe driver (DesignWare core)"
104 Say Y here if you want to enable PCIe controller support on
105 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
108 config PCIE_DW_SIFIVE
109 bool "Enable SiFive FU740 PCIe"
110 depends on CLK_SIFIVE_PRCI
111 depends on RESET_SIFIVE
112 depends on SIFIVE_GPIO
113 select PCIE_DW_COMMON
115 Say Y here if you want to enable PCIe controller support on
119 bool "FSL PowerPC PCIe support"
121 Say Y here if you want to enable PCIe controller support on FSL
122 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
123 This driver does not support SRIO_PCIE_BOOT feature.
126 bool "MPC85XX PowerPC PCI support"
128 Say Y here if you want to enable PCI controller support on FSL
132 bool "Renesas RCar Gen2 PCIe driver"
135 Say Y here if you want to enable PCIe controller support on
136 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
137 also used to access EHCI USB controller on the SoC.
140 bool "Renesas RCar Gen3 PCIe driver"
143 Say Y here if you want to enable PCIe controller support on
144 Renesas RCar Gen3 SoCs.
147 bool "Sandbox PCI support"
150 Support PCI on sandbox, as an emulated bus. This permits testing of
151 PCI feature such as bus scanning, device configuration and device
152 access. The available (emulated) devices are defined statically in
153 the device tree but the normal PCI scan technique is used to find
157 bool "Tegra PCI support"
158 depends on ARCH_TEGRA
159 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
161 Enable support for the PCIe controller found on some generations of
162 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
163 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
164 with a total of 5 lanes. Some boards require this for Ethernet
165 support to work (e.g. beaver, jetson-tk1).
168 bool "OcteonTX PCI support"
169 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
171 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
172 These controllers provide PCI configuration access to all on-board
173 peripherals so it should only be disabled for testing purposes
176 bool "MIPS Octeon PCIe support"
177 depends on ARCH_OCTEON
179 Enable support for the MIPS Octeon SoC family PCIe controllers.
182 bool "Xilinx AXI Bridge for PCI Express"
184 Enable support for the Xilinx AXI bridge for PCI express, an IP block
185 which can be used on some generations of Xilinx FPGAs.
187 config PCIE_LAYERSCAPE
191 config PCIE_LAYERSCAPE_RC
192 bool "Layerscape PCIe Root Complex mode support"
193 select PCIE_LAYERSCAPE
195 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
196 SoC may have one or several PCIe controllers. Each controller can be
197 configured to Root Complex mode by clearing the corresponding bit of
200 config PCI_IOMMU_EXTRA_MAPPINGS
201 bool "Support for specifying extra IOMMU mappings for PCI"
202 depends on PCIE_LAYERSCAPE_RC
204 Enable support for specifying extra IOMMU mappings for PCI
205 controllers through a special env var called "pci_iommu_extra" or
206 through a device tree property named "pci-iommu-extra" placed in
207 the node describing the PCI controller.
208 The intent is to cover SR-IOV scenarios which need mappings for VFs
209 and PCI hot-plug scenarios. More documentation can be found under:
210 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
212 config PCIE_LAYERSCAPE_EP
213 bool "Layerscape PCIe Endpoint mode support"
214 select PCIE_LAYERSCAPE
217 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
218 SoC may have one or several PCIe controllers. Each controller can be
219 configured to Endpoint mode by setting the corresponding bit of
222 config PCIE_LAYERSCAPE_GEN4
223 bool "Layerscape Gen4 PCIe support"
225 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
226 several PCIe controllers. The PCIe controller can work in RC or
227 EP mode according to RCW[HOST_AGT_PEX] setting.
229 config FSL_PCIE_COMPAT
230 string "PCIe compatible of Kernel DT"
231 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
232 default "fsl,ls1012a-pcie" if ARCH_LS1012A
233 default "fsl,ls1028a-pcie" if ARCH_LS1028A
234 default "fsl,ls1043a-pcie" if ARCH_LS1043A
235 default "fsl,ls1046a-pcie" if ARCH_LS1046A
236 default "fsl,ls2080a-pcie" if ARCH_LS2080A
237 default "fsl,ls1088a-pcie" if ARCH_LS1088A
238 default "fsl,lx2160a-pcie" if ARCH_LX2160A
239 default "fsl,ls2088a-pcie" if ARCH_LX2162A
240 default "fsl,ls1021a-pcie" if ARCH_LS1021A
242 This compatible is used to find pci controller node in Kernel DT
245 config FSL_PCIE_EP_COMPAT
246 string "PCIe EP compatible of Kernel DT"
247 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
248 default "fsl,lx2160a-pcie-ep" if ARCH_LX2160A
249 default "fsl,ls-pcie-ep"
251 This compatible is used to find pci controller ep node in Kernel DT
254 config PCIE_INTEL_FPGA
255 bool "Intel FPGA PCIe support"
257 Say Y here if you want to enable PCIe controller support on Intel
258 FPGA, example Stratix 10.
261 bool "Iproc PCIe support"
263 Broadcom iProc PCIe controller driver.
264 Say Y here if you want to enable Broadcom iProc PCIe controller,
267 bool "Enable Armada XP/38x PCIe driver"
268 depends on ARCH_MVEBU
271 Say Y here if you want to enable PCIe controller support on
274 config PCIE_DW_COMMON
278 bool "TI Keystone PCIe controller"
279 select PCIE_DW_COMMON
281 Say Y here if you want to enable PCI controller support on AM654 SoC.
284 bool "MediaTek PCIe Gen2 controller"
285 depends on ARCH_MEDIATEK
287 Say Y here if you want to enable Gen2 PCIe controller,
288 which could be found on MT7623 SoC family.
291 bool "Amlogic Meson DesignWare based PCIe controller"
292 depends on ARCH_MESON
293 select PCIE_DW_COMMON
295 Say Y here if you want to enable DW PCIe controller support on
299 bool "Enable Rockchip PCIe driver"
300 depends on ARCH_ROCKCHIP
301 select PHY_ROCKCHIP_PCIE
302 default y if ROCKCHIP_RK3399
304 Say Y here if you want to enable PCIe controller support on
307 config PCIE_DW_ROCKCHIP
308 bool "Rockchip DesignWare based PCIe controller"
309 depends on ARCH_ROCKCHIP
310 select PCIE_DW_COMMON
311 select PHY_ROCKCHIP_SNPS_PCIE3
313 Say Y here if you want to enable DW PCIe controller support on
317 bool "Broadcom STB PCIe controller"
318 depends on ARCH_BCM283X
320 Say Y here if you want to enable support for PCIe controller
321 on Broadcom set-top-box (STB) SoCs.
322 This driver currently supports only BCM2711 SoC and RC mode
326 bool "Socionext UniPhier PCIe driver"
327 depends on ARCH_UNIPHIER
328 select PHY_UNIPHIER_PCIE
330 Say Y here if you want to enable PCIe controller support on