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.
85 bool "Show PCI devices during startup"
88 config PCIE_ECAM_GENERIC
89 bool "Generic ECAM-based PCI host controller support"
91 Say Y here if you want to enable support for generic ECAM-based
92 PCIe host controllers, such as the one emulated by QEMU.
94 config PCIE_ECAM_SYNQUACER
95 bool "SynQuacer ECAM-based PCI host controller support"
97 select PCI_REGION_MULTI_ENTRY
99 Say Y here if you want to enable support for Socionext
100 SynQuacer SoC's ECAM-based PCIe host controllers.
101 Note that this must be configured when boot because Linux driver
102 expects the PCIe RC has been configured in the bootloader.
105 bool "Phytium PCIe support"
107 Say Y here if you want to enable PCIe controller support on
111 bool "Enable Armada-8K PCIe driver (DesignWare core)"
114 Say Y here if you want to enable PCIe controller support on
115 Armada-8K SoCs. The PCIe controller on Armada-8K is based on
118 config PCIE_DW_SIFIVE
119 bool "Enable SiFive FU740 PCIe"
120 depends on CLK_SIFIVE_PRCI
121 depends on RESET_SIFIVE
122 depends on SIFIVE_GPIO
123 select PCIE_DW_COMMON
125 Say Y here if you want to enable PCIe controller support on
129 bool "FSL PowerPC PCIe support"
131 Say Y here if you want to enable PCIe controller support on FSL
132 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs.
133 This driver does not support SRIO_PCIE_BOOT feature.
136 bool "MPC85XX PowerPC PCI support"
138 Say Y here if you want to enable PCI controller support on FSL
142 bool "Renesas RCar Gen2 PCIe driver"
145 Say Y here if you want to enable PCIe controller support on
146 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
147 also used to access EHCI USB controller on the SoC.
150 bool "Renesas RCar Gen3 PCIe driver"
153 Say Y here if you want to enable PCIe controller support on
154 Renesas RCar Gen3 SoCs.
157 bool "Sandbox PCI support"
160 Support PCI on sandbox, as an emulated bus. This permits testing of
161 PCI feature such as bus scanning, device configuration and device
162 access. The available (emulated) devices are defined statically in
163 the device tree but the normal PCI scan technique is used to find
167 bool "Tegra PCI support"
168 depends on ARCH_TEGRA
169 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186)
171 Enable support for the PCIe controller found on some generations of
172 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has
173 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports
174 with a total of 5 lanes. Some boards require this for Ethernet
175 support to work (e.g. beaver, jetson-tk1).
178 bool "OcteonTX PCI support"
179 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2)
181 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers.
182 These controllers provide PCI configuration access to all on-board
183 peripherals so it should only be disabled for testing purposes
186 bool "MIPS Octeon PCIe support"
187 depends on ARCH_OCTEON
189 Enable support for the MIPS Octeon SoC family PCIe controllers.
192 bool "Xilinx AXI Bridge for PCI Express"
194 Enable support for the Xilinx AXI bridge for PCI express, an IP block
195 which can be used on some generations of Xilinx FPGAs.
197 config PCIE_LAYERSCAPE
200 config PCIE_LAYERSCAPE_RC
201 bool "Layerscape PCIe Root Complex mode support"
202 select PCIE_LAYERSCAPE
204 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
205 SoC may have one or several PCIe controllers. Each controller can be
206 configured to Root Complex mode by clearing the corresponding bit of
209 config PCI_IOMMU_EXTRA_MAPPINGS
210 bool "Support for specifying extra IOMMU mappings for PCI"
211 depends on PCIE_LAYERSCAPE_RC
213 Enable support for specifying extra IOMMU mappings for PCI
214 controllers through a special env var called "pci_iommu_extra" or
215 through a device tree property named "pci-iommu-extra" placed in
216 the node describing the PCI controller.
217 The intent is to cover SR-IOV scenarios which need mappings for VFs
218 and PCI hot-plug scenarios. More documentation can be found under:
219 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra
221 config PCIE_LAYERSCAPE_EP
222 bool "Layerscape PCIe Endpoint mode support"
223 select PCIE_LAYERSCAPE
226 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
227 SoC may have one or several PCIe controllers. Each controller can be
228 configured to Endpoint mode by setting the corresponding bit of
231 config PCIE_LAYERSCAPE_GEN4
232 bool "Layerscape Gen4 PCIe support"
234 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or
235 several PCIe controllers. The PCIe controller can work in RC or
236 EP mode according to RCW[HOST_AGT_PEX] setting.
238 config FSL_PCIE_COMPAT
239 string "PCIe compatible of Kernel DT"
240 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
241 default "fsl,ls1012a-pcie" if ARCH_LS1012A
242 default "fsl,ls1028a-pcie" if ARCH_LS1028A
243 default "fsl,ls1043a-pcie" if ARCH_LS1043A
244 default "fsl,ls1046a-pcie" if ARCH_LS1046A
245 default "fsl,ls2080a-pcie" if ARCH_LS2080A
246 default "fsl,ls1088a-pcie" if ARCH_LS1088A
247 default "fsl,ls2088a-pcie" if ARCH_LX2160A || ARCH_LX2162A
248 default "fsl,ls1021a-pcie" if ARCH_LS1021A
250 This compatible is used to find pci controller node in Kernel DT
253 config FSL_PCIE_EP_COMPAT
254 string "PCIe EP compatible of Kernel DT"
255 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
256 default "fsl,ls-pcie-ep"
258 This compatible is used to find pci controller ep node in Kernel DT
262 bool "i.MX PCIe support"
265 config PCIE_INTEL_FPGA
266 bool "Intel FPGA PCIe support"
268 Say Y here if you want to enable PCIe controller support on Intel
269 FPGA, example Stratix 10.
272 bool "Iproc PCIe support"
274 Broadcom iProc PCIe controller driver.
275 Say Y here if you want to enable Broadcom iProc PCIe controller,
278 bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver"
279 depends on (ARCH_KIRKWOOD || ARCH_MVEBU)
283 Say Y here if you want to enable PCIe controller support on
284 Kirkwood and Armada 370/XP/375/38x SoCs.
286 config PCIE_DW_COMMON
290 bool "TI Keystone PCIe controller"
291 select PCIE_DW_COMMON
293 Say Y here if you want to enable PCI controller support on AM654 SoC.
296 bool "MediaTek PCIe Gen2 controller"
297 depends on ARCH_MEDIATEK
299 Say Y here if you want to enable Gen2 PCIe controller,
300 which could be found on MT7623 SoC family.
303 bool "Amlogic Meson DesignWare based PCIe controller"
304 depends on ARCH_MESON
305 select PCIE_DW_COMMON
307 Say Y here if you want to enable DW PCIe controller support on
311 bool "Enable Rockchip PCIe driver"
312 depends on ARCH_ROCKCHIP
313 select PHY_ROCKCHIP_PCIE
314 default y if ROCKCHIP_RK3399
316 Say Y here if you want to enable PCIe controller support on
319 config PCIE_DW_ROCKCHIP
320 bool "Rockchip DesignWare based PCIe controller"
321 depends on ARCH_ROCKCHIP
322 select PCIE_DW_COMMON
323 select PHY_ROCKCHIP_SNPS_PCIE3
325 Say Y here if you want to enable DW PCIe controller support on
329 bool "Broadcom STB PCIe controller"
330 depends on ARCH_BCM283X
332 Say Y here if you want to enable support for PCIe controller
333 on Broadcom set-top-box (STB) SoCs.
334 This driver currently supports only BCM2711 SoC and RC mode
338 bool "Socionext UniPhier PCIe driver"
339 depends on ARCH_UNIPHIER
340 select PHY_UNIPHIER_PCIE
342 Say Y here if you want to enable PCIe controller support on