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_MAP_SYSTEM_MEMORY
52 bool "Map local system memory from a virtual base address"
55 Say Y if base address of system memory is being used as a virtual address
56 instead of a physical address (e.g. on MIPS). The PCI core will then remap
57 the virtual memory base address to a physical address when adding the PCI
58 region of type PCI_REGION_SYS_MEMORY.
59 This should only be required on MIPS where CONFIG_SYS_SDRAM_BASE is still
60 being used as virtual address.
63 bool "Enable Single Root I/O Virtualization support for PCI"
65 Say Y here if you want to enable PCI Single Root I/O Virtualization
66 capability support. This helps to enumerate Virtual Function devices
67 if available on a PCI Physical Function device and probe for
70 config PCI_ENHANCED_ALLOCATION
71 bool "Enable support for Enhanced Allocation of resources"
74 Enable support for Enhanced Allocation which can be used by supported
75 devices in place of traditional BARS for allocation of resources.
78 bool "Enable Alternate Routing-ID support for PCI"
80 Say Y here if you want to enable Alternate Routing-ID capability
81 support on PCI devices. This helps to skip some devices in BDF
82 scan that are not present.
84 config PCIE_ECAM_GENERIC
85 bool "Generic ECAM-based PCI host controller support"
87 Say Y here if you want to enable support for generic ECAM-based
88 PCIe host controllers, such as the one emulated by QEMU.
90 config PCIE_ECAM_SYNQUACER
91 bool "SynQuacer ECAM-based PCI host controller support"
93 select PCI_REGION_MULTI_ENTRY
95 Say Y here if you want to enable support for Socionext
96 SynQuacer SoC's ECAM-based PCIe host controllers.
97 Note that this must be configured when boot because Linux driver
98 expects the PCIe RC has been configured in the bootloader.
101 bool "Phytium PCIe support"
103 Say Y here if you want to enable PCIe controller support on
107 bool "Enable Armada-8K PCIe driver (DesignWare core)"
110 Say Y here if you want to enable PCIe controller support on
111 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
114 config PCIE_DW_SIFIVE
115 bool "Enable SiFive FU740 PCIe"
116 depends on CLK_SIFIVE_PRCI
117 depends on RESET_SIFIVE
118 depends on SIFIVE_GPIO
119 select PCIE_DW_COMMON
121 Say Y here if you want to enable PCIe controller support on
125 bool "FSL PowerPC PCIe support"
127 Say Y here if you want to enable PCIe controller support on FSL
128 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
129 This driver does not support SRIO_PCIE_BOOT feature.
132 bool "MPC85XX PowerPC PCI support"
134 Say Y here if you want to enable PCI controller support on FSL
138 bool "Renesas RCar Gen2 PCIe driver"
141 Say Y here if you want to enable PCIe controller support on
142 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
143 also used to access EHCI USB controller on the SoC.
146 bool "Renesas RCar Gen3 PCIe driver"
149 Say Y here if you want to enable PCIe controller support on
150 Renesas RCar Gen3 SoCs.
153 bool "Sandbox PCI support"
156 Support PCI on sandbox, as an emulated bus. This permits testing of
157 PCI feature such as bus scanning, device configuration and device
158 access. The available (emulated) devices are defined statically in
159 the device tree but the normal PCI scan technique is used to find
163 bool "Tegra PCI support"
164 depends on ARCH_TEGRA
165 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
167 Enable support for the PCIe controller found on some generations of
168 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
169 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
170 with a total of 5 lanes. Some boards require this for Ethernet
171 support to work (e.g. beaver, jetson-tk1).
174 bool "OcteonTX PCI support"
175 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
177 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
178 These controllers provide PCI configuration access to all on-board
179 peripherals so it should only be disabled for testing purposes
182 bool "MIPS Octeon PCIe support"
183 depends on ARCH_OCTEON
185 Enable support for the MIPS Octeon SoC family PCIe controllers.
188 bool "Xilinx AXI Bridge for PCI Express"
190 Enable support for the Xilinx AXI bridge for PCI express, an IP block
191 which can be used on some generations of Xilinx FPGAs.
193 config PCIE_LAYERSCAPE
196 config PCIE_LAYERSCAPE_RC
197 bool "Layerscape PCIe Root Complex mode support"
198 select PCIE_LAYERSCAPE
200 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
201 SoC may have one or several PCIe controllers. Each controller can be
202 configured to Root Complex mode by clearing the corresponding bit of
205 config PCI_IOMMU_EXTRA_MAPPINGS
206 bool "Support for specifying extra IOMMU mappings for PCI"
207 depends on PCIE_LAYERSCAPE_RC
209 Enable support for specifying extra IOMMU mappings for PCI
210 controllers through a special env var called "pci_iommu_extra" or
211 through a device tree property named "pci-iommu-extra" placed in
212 the node describing the PCI controller.
213 The intent is to cover SR-IOV scenarios which need mappings for VFs
214 and PCI hot-plug scenarios. More documentation can be found under:
215 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
217 config PCIE_LAYERSCAPE_EP
218 bool "Layerscape PCIe Endpoint mode support"
219 select PCIE_LAYERSCAPE
222 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
223 SoC may have one or several PCIe controllers. Each controller can be
224 configured to Endpoint mode by setting the corresponding bit of
227 config PCIE_LAYERSCAPE_GEN4
228 bool "Layerscape Gen4 PCIe support"
230 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
231 several PCIe controllers. The PCIe controller can work in RC or
232 EP mode according to RCW[HOST_AGT_PEX] setting.
234 config FSL_PCIE_COMPAT
235 string "PCIe compatible of Kernel DT"
236 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
237 default "fsl,ls1012a-pcie" if ARCH_LS1012A
238 default "fsl,ls1028a-pcie" if ARCH_LS1028A
239 default "fsl,ls1043a-pcie" if ARCH_LS1043A
240 default "fsl,ls1046a-pcie" if ARCH_LS1046A
241 default "fsl,ls2080a-pcie" if ARCH_LS2080A
242 default "fsl,ls1088a-pcie" if ARCH_LS1088A
243 default "fsl,ls2088a-pcie" if ARCH_LX2160A || ARCH_LX2162A
244 default "fsl,ls1021a-pcie" if ARCH_LS1021A
246 This compatible is used to find pci controller node in Kernel DT
249 config FSL_PCIE_EP_COMPAT
250 string "PCIe EP compatible of Kernel DT"
251 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
252 default "fsl,ls-pcie-ep"
254 This compatible is used to find pci controller ep node in Kernel DT
258 bool "i.MX PCIe support"
261 config PCIE_INTEL_FPGA
262 bool "Intel FPGA PCIe support"
264 Say Y here if you want to enable PCIe controller support on Intel
265 FPGA, example Stratix 10.
268 bool "Iproc PCIe support"
270 Broadcom iProc PCIe controller driver.
271 Say Y here if you want to enable Broadcom iProc PCIe controller,
274 bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver"
275 depends on (ARCH_KIRKWOOD || ARCH_MVEBU)
279 Say Y here if you want to enable PCIe controller support on
280 Kirkwood and Armada 370/XP/375/38x SoCs.
282 config PCIE_DW_COMMON
286 bool "TI Keystone PCIe controller"
287 select PCIE_DW_COMMON
289 Say Y here if you want to enable PCI controller support on AM654 SoC.
292 bool "MediaTek PCIe Gen2 controller"
293 depends on ARCH_MEDIATEK
295 Say Y here if you want to enable Gen2 PCIe controller,
296 which could be found on MT7623 SoC family.
299 bool "Amlogic Meson DesignWare based PCIe controller"
300 depends on ARCH_MESON
301 select PCIE_DW_COMMON
303 Say Y here if you want to enable DW PCIe controller support on
307 bool "Enable Rockchip PCIe driver"
308 depends on ARCH_ROCKCHIP
309 select PHY_ROCKCHIP_PCIE
310 default y if ROCKCHIP_RK3399
312 Say Y here if you want to enable PCIe controller support on
315 config PCIE_DW_ROCKCHIP
316 bool "Rockchip DesignWare based PCIe controller"
317 depends on ARCH_ROCKCHIP
318 select PCIE_DW_COMMON
319 select PHY_ROCKCHIP_SNPS_PCIE3
321 Say Y here if you want to enable DW PCIe controller support on
325 bool "Broadcom STB PCIe controller"
326 depends on ARCH_BCM283X
328 Say Y here if you want to enable support for PCIe controller
329 on Broadcom set-top-box (STB) SoCs.
330 This driver currently supports only BCM2711 SoC and RC mode
334 bool "Socionext UniPhier PCIe driver"
335 depends on ARCH_UNIPHIER
336 select PHY_UNIPHIER_PCIE
338 Say Y here if you want to enable PCIe controller support on