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 64-bit PCI resources"
26 Enable 64-bit PCI resource access.
29 bool "Enable Aardvark PCIe driver"
31 depends on ARMADA_3700
33 Say Y here if you want to enable PCIe controller support on
34 Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on
38 bool "Enable Plug & Play support for PCI"
41 Enable PCI memory and I/O space resource allocation and assignment.
43 config PCI_REGION_MULTI_ENTRY
44 bool "Enable Multiple entries of region type MEMORY in ranges for PCI"
46 Enable PCI memory regions to be of multiple entry. Multiple entry
47 here refers to allow more than one count of address ranges for MEMORY
48 region type. This helps to add support for SoC's like OcteonTX/TX2
49 where every peripheral is on the PCI bus.
51 config PCI_CONFIG_HOST_BRIDGE
52 bool "Configure PCI host bridges"
55 config PCI_MAP_SYSTEM_MEMORY
56 bool "Map local system memory from a virtual base address"
59 Say Y if base address of system memory is being used as a virtual address
60 instead of a physical address (e.g. on MIPS). The PCI core will then remap
61 the virtual memory base address to a physical address when adding the PCI
62 region of type PCI_REGION_SYS_MEMORY.
63 This should only be required on MIPS where CONFIG_SYS_SDRAM_BASE is still
64 being used as virtual address.
67 bool "Enable Single Root I/O Virtualization support for PCI"
69 Say Y here if you want to enable PCI Single Root I/O Virtualization
70 capability support. This helps to enumerate Virtual Function devices
71 if available on a PCI Physical Function device and probe for
74 config PCI_ENHANCED_ALLOCATION
75 bool "Enable support for Enhanced Allocation of resources"
78 Enable support for Enhanced Allocation which can be used by supported
79 devices in place of traditional BARS for allocation of resources.
82 bool "Enable Alternate Routing-ID support for PCI"
84 Say Y here if you want to enable Alternate Routing-ID capability
85 support on PCI devices. This helps to skip some devices in BDF
86 scan that are not present.
89 bool "Show PCI devices during startup"
92 config PCIE_ECAM_GENERIC
93 bool "Generic ECAM-based PCI host controller support"
95 Say Y here if you want to enable support for generic ECAM-based
96 PCIe host controllers, such as the one emulated by QEMU.
98 config PCIE_ECAM_SYNQUACER
99 bool "SynQuacer ECAM-based PCI host controller support"
101 select PCI_REGION_MULTI_ENTRY
103 Say Y here if you want to enable support for Socionext
104 SynQuacer SoC's ECAM-based PCIe host controllers.
105 Note that this must be configured when boot because Linux driver
106 expects the PCIe RC has been configured in the bootloader.
109 bool "GT64120 PCI support"
113 bool "Phytium PCIe support"
115 Say Y here if you want to enable PCIe controller support on
119 bool "Enable Armada-8K PCIe driver (DesignWare core)"
122 Say Y here if you want to enable PCIe controller support on
123 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
126 config PCIE_DW_SIFIVE
127 bool "Enable SiFive FU740 PCIe"
128 depends on CLK_SIFIVE_PRCI
129 depends on RESET_SIFIVE
130 depends on SIFIVE_GPIO
131 select PCIE_DW_COMMON
133 Say Y here if you want to enable PCIe controller support on
137 bool "FSL PowerPC PCIe support"
139 Say Y here if you want to enable PCIe controller support on FSL
140 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
141 This driver does not support SRIO_PCIE_BOOT feature.
144 bool "MPC85XX PowerPC PCI support"
146 Say Y here if you want to enable PCI controller support on FSL
150 bool "Renesas RCar Gen2 PCIe driver"
153 Say Y here if you want to enable PCIe controller support on
154 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
155 also used to access EHCI USB controller on the SoC.
158 bool "Renesas RCar Gen3 PCIe driver"
161 Say Y here if you want to enable PCIe controller support on
162 Renesas RCar Gen3 SoCs.
165 bool "Sandbox PCI support"
168 Support PCI on sandbox, as an emulated bus. This permits testing of
169 PCI feature such as bus scanning, device configuration and device
170 access. The available (emulated) devices are defined statically in
171 the device tree but the normal PCI scan technique is used to find
175 bool "SH7751 PCI controller support"
178 SuperH PCI Bridge Configuration
181 bool "Tegra PCI support"
182 depends on ARCH_TEGRA
183 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
185 Enable support for the PCIe controller found on some generations of
186 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
187 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
188 with a total of 5 lanes. Some boards require this for Ethernet
189 support to work (e.g. beaver, jetson-tk1).
192 bool "OcteonTX PCI support"
193 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
195 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
196 These controllers provide PCI configuration access to all on-board
197 peripherals so it should only be disabled for testing purposes
200 bool "MIPS Octeon PCIe support"
201 depends on ARCH_OCTEON
203 Enable support for the MIPS Octeon SoC family PCIe controllers.
206 bool "Xilinx AXI Bridge for PCI Express"
208 Enable support for the Xilinx AXI bridge for PCI express, an IP block
209 which can be used on some generations of Xilinx FPGAs.
211 config PCIE_LAYERSCAPE
214 config PCIE_LAYERSCAPE_RC
215 bool "Layerscape PCIe Root Complex mode support"
216 select PCIE_LAYERSCAPE
218 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
219 SoC may have one or several PCIe controllers. Each controller can be
220 configured to Root Complex mode by clearing the corresponding bit of
223 config PCI_IOMMU_EXTRA_MAPPINGS
224 bool "Support for specifying extra IOMMU mappings for PCI"
225 depends on PCIE_LAYERSCAPE_RC
227 Enable support for specifying extra IOMMU mappings for PCI
228 controllers through a special env var called "pci_iommu_extra" or
229 through a device tree property named "pci-iommu-extra" placed in
230 the node describing the PCI controller.
231 The intent is to cover SR-IOV scenarios which need mappings for VFs
232 and PCI hot-plug scenarios. More documentation can be found under:
233 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
235 config PCIE_LAYERSCAPE_EP
236 bool "Layerscape PCIe Endpoint mode support"
237 select PCIE_LAYERSCAPE
240 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
241 SoC may have one or several PCIe controllers. Each controller can be
242 configured to Endpoint mode by setting the corresponding bit of
245 config PCIE_LAYERSCAPE_GEN4
246 bool "Layerscape Gen4 PCIe support"
248 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
249 several PCIe controllers. The PCIe controller can work in RC or
250 EP mode according to RCW[HOST_AGT_PEX] setting.
252 config FSL_PCIE_COMPAT
253 string "PCIe compatible of Kernel DT"
254 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
255 default "fsl,ls1012a-pcie" if ARCH_LS1012A
256 default "fsl,ls1028a-pcie" if ARCH_LS1028A
257 default "fsl,ls1043a-pcie" if ARCH_LS1043A
258 default "fsl,ls1046a-pcie" if ARCH_LS1046A
259 default "fsl,ls2080a-pcie" if ARCH_LS2080A
260 default "fsl,ls1088a-pcie" if ARCH_LS1088A
261 default "fsl,ls2088a-pcie" if ARCH_LX2160A || ARCH_LX2162A
262 default "fsl,ls1021a-pcie" if ARCH_LS1021A
264 This compatible is used to find pci controller node in Kernel DT
267 config FSL_PCIE_EP_COMPAT
268 string "PCIe EP compatible of Kernel DT"
269 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
270 default "fsl,ls-pcie-ep"
272 This compatible is used to find pci controller ep node in Kernel DT
276 bool "i.MX PCIe support"
279 config PCIE_INTEL_FPGA
280 bool "Intel FPGA PCIe support"
282 Say Y here if you want to enable PCIe controller support on Intel
283 FPGA, example Stratix 10.
286 bool "Iproc PCIe support"
288 Broadcom iProc PCIe controller driver.
289 Say Y here if you want to enable Broadcom iProc PCIe controller,
292 bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver"
293 depends on (ARCH_KIRKWOOD || ARCH_MVEBU)
297 Say Y here if you want to enable PCIe controller support on
298 Kirkwood and Armada 370/XP/375/38x SoCs.
300 config PCIE_DW_COMMON
304 bool "TI Keystone PCIe controller"
305 select PCIE_DW_COMMON
307 Say Y here if you want to enable PCI controller support on AM654 SoC.
310 bool "MediaTek PCIe Gen2 controller"
311 depends on ARCH_MEDIATEK
313 Say Y here if you want to enable Gen2 PCIe controller,
314 which could be found on MT7623 SoC family.
317 bool "Amlogic Meson DesignWare based PCIe controller"
318 depends on ARCH_MESON
319 select PCIE_DW_COMMON
321 Say Y here if you want to enable DW PCIe controller support on
325 bool "Enable Rockchip PCIe driver"
326 depends on ARCH_ROCKCHIP
327 select PHY_ROCKCHIP_PCIE
328 default y if ROCKCHIP_RK3399
330 Say Y here if you want to enable PCIe controller support on
333 config PCIE_DW_ROCKCHIP
334 bool "Rockchip DesignWare based PCIe controller"
335 depends on ARCH_ROCKCHIP
336 select PCIE_DW_COMMON
337 select PHY_ROCKCHIP_SNPS_PCIE3
339 Say Y here if you want to enable DW PCIe controller support on
343 bool "Broadcom STB PCIe controller"
344 depends on ARCH_BCM283X
346 Say Y here if you want to enable support for PCIe controller
347 on Broadcom set-top-box (STB) SoCs.
348 This driver currently supports only BCM2711 SoC and RC mode
352 bool "Socionext UniPhier PCIe driver"
353 depends on ARCH_UNIPHIER
354 select PHY_UNIPHIER_PCIE
356 Say Y here if you want to enable PCIe controller support on