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
71 bool "Enable Alternate Routing-ID support for PCI"
73 Say Y here if you want to enable Alternate Routing-ID capability
74 support on PCI devices. This helps to skip some devices in BDF
75 scan that are not present.
77 config PCIE_ECAM_GENERIC
78 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"
86 select PCI_REGION_MULTI_ENTRY
88 Say Y here if you want to enable support for Socionext
89 SynQuacer SoC's ECAM-based PCIe host controllers.
90 Note that this must be configured when boot because Linux driver
91 expects the PCIe RC has been configured in the bootloader.
94 bool "Phytium PCIe support"
96 Say Y here if you want to enable PCIe controller support on
100 bool "Enable Armada-8K PCIe driver (DesignWare core)"
103 Say Y here if you want to enable PCIe controller support on
104 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
107 config PCIE_DW_SIFIVE
108 bool "Enable SiFive FU740 PCIe"
109 depends on CLK_SIFIVE_PRCI
110 depends on RESET_SIFIVE
111 depends on SIFIVE_GPIO
112 select PCIE_DW_COMMON
114 Say Y here if you want to enable PCIe controller support on
118 bool "FSL PowerPC PCIe support"
120 Say Y here if you want to enable PCIe controller support on FSL
121 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
122 This driver does not support SRIO_PCIE_BOOT feature.
125 bool "MPC85XX PowerPC PCI support"
127 Say Y here if you want to enable PCI controller support on FSL
131 bool "Renesas RCar Gen2 PCIe driver"
134 Say Y here if you want to enable PCIe controller support on
135 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
136 also used to access EHCI USB controller on the SoC.
139 bool "Renesas RCar Gen3 PCIe driver"
142 Say Y here if you want to enable PCIe controller support on
143 Renesas RCar Gen3 SoCs.
146 bool "Sandbox PCI support"
149 Support PCI on sandbox, as an emulated bus. This permits testing of
150 PCI feature such as bus scanning, device configuration and device
151 access. The available (emulated) devices are defined statically in
152 the device tree but the normal PCI scan technique is used to find
156 bool "Tegra PCI support"
157 depends on ARCH_TEGRA
158 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
160 Enable support for the PCIe controller found on some generations of
161 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
162 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
163 with a total of 5 lanes. Some boards require this for Ethernet
164 support to work (e.g. beaver, jetson-tk1).
167 bool "OcteonTX PCI support"
168 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
170 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
171 These controllers provide PCI configuration access to all on-board
172 peripherals so it should only be disabled for testing purposes
175 bool "MIPS Octeon PCIe support"
176 depends on ARCH_OCTEON
178 Enable support for the MIPS Octeon SoC family PCIe controllers.
181 bool "Xilinx AXI Bridge for PCI Express"
183 Enable support for the Xilinx AXI bridge for PCI express, an IP block
184 which can be used on some generations of Xilinx FPGAs.
186 config PCIE_LAYERSCAPE
189 config PCIE_LAYERSCAPE_RC
190 bool "Layerscape PCIe Root Complex mode support"
191 select PCIE_LAYERSCAPE
193 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
194 SoC may have one or several PCIe controllers. Each controller can be
195 configured to Root Complex mode by clearing the corresponding bit of
198 config PCI_IOMMU_EXTRA_MAPPINGS
199 bool "Support for specifying extra IOMMU mappings for PCI"
200 depends on PCIE_LAYERSCAPE_RC
202 Enable support for specifying extra IOMMU mappings for PCI
203 controllers through a special env var called "pci_iommu_extra" or
204 through a device tree property named "pci-iommu-extra" placed in
205 the node describing the PCI controller.
206 The intent is to cover SR-IOV scenarios which need mappings for VFs
207 and PCI hot-plug scenarios. More documentation can be found under:
208 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
210 config PCIE_LAYERSCAPE_EP
211 bool "Layerscape PCIe Endpoint mode support"
212 select PCIE_LAYERSCAPE
215 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
216 SoC may have one or several PCIe controllers. Each controller can be
217 configured to Endpoint mode by setting the corresponding bit of
220 config PCIE_LAYERSCAPE_GEN4
221 bool "Layerscape Gen4 PCIe support"
223 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
224 several PCIe controllers. The PCIe controller can work in RC or
225 EP mode according to RCW[HOST_AGT_PEX] setting.
227 config FSL_PCIE_COMPAT
228 string "PCIe compatible of Kernel DT"
229 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
230 default "fsl,ls1012a-pcie" if ARCH_LS1012A
231 default "fsl,ls1028a-pcie" if ARCH_LS1028A
232 default "fsl,ls1043a-pcie" if ARCH_LS1043A
233 default "fsl,ls1046a-pcie" if ARCH_LS1046A
234 default "fsl,ls2080a-pcie" if ARCH_LS2080A
235 default "fsl,ls1088a-pcie" if ARCH_LS1088A
236 default "fsl,ls2088a-pcie" if ARCH_LX2160A || ARCH_LX2162A
237 default "fsl,ls1021a-pcie" if ARCH_LS1021A
239 This compatible is used to find pci controller node in Kernel DT
242 config FSL_PCIE_EP_COMPAT
243 string "PCIe EP compatible of Kernel DT"
244 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
245 default "fsl,ls-pcie-ep"
247 This compatible is used to find pci controller ep node in Kernel DT
250 config PCIE_INTEL_FPGA
251 bool "Intel FPGA PCIe support"
253 Say Y here if you want to enable PCIe controller support on Intel
254 FPGA, example Stratix 10.
257 bool "Iproc PCIe support"
259 Broadcom iProc PCIe controller driver.
260 Say Y here if you want to enable Broadcom iProc PCIe controller,
263 bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver"
264 depends on (ARCH_KIRKWOOD || ARCH_MVEBU)
268 Say Y here if you want to enable PCIe controller support on
269 Kirkwood and Armada 370/XP/375/38x SoCs.
271 config PCIE_DW_COMMON
275 bool "TI Keystone PCIe controller"
276 select PCIE_DW_COMMON
278 Say Y here if you want to enable PCI controller support on AM654 SoC.
281 bool "MediaTek PCIe Gen2 controller"
282 depends on ARCH_MEDIATEK
284 Say Y here if you want to enable Gen2 PCIe controller,
285 which could be found on MT7623 SoC family.
288 bool "Amlogic Meson DesignWare based PCIe controller"
289 depends on ARCH_MESON
290 select PCIE_DW_COMMON
292 Say Y here if you want to enable DW PCIe controller support on
296 bool "Enable Rockchip PCIe driver"
297 depends on ARCH_ROCKCHIP
298 select PHY_ROCKCHIP_PCIE
299 default y if ROCKCHIP_RK3399
301 Say Y here if you want to enable PCIe controller support on
304 config PCIE_DW_ROCKCHIP
305 bool "Rockchip DesignWare based PCIe controller"
306 depends on ARCH_ROCKCHIP
307 select PCIE_DW_COMMON
308 select PHY_ROCKCHIP_SNPS_PCIE3
310 Say Y here if you want to enable DW PCIe controller support on
314 bool "Broadcom STB PCIe controller"
315 depends on ARCH_BCM283X
317 Say Y here if you want to enable support for PCIe controller
318 on Broadcom set-top-box (STB) SoCs.
319 This driver currently supports only BCM2711 SoC and RC mode
323 bool "Socionext UniPhier PCIe driver"
324 depends on ARCH_UNIPHIER
325 select PHY_UNIPHIER_PCIE
327 Say Y here if you want to enable PCIe controller support on