1menuconfig PCI 2 bool "PCI support" 3 depends on DM 4 default y if PPC 5 help 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 8 peripherals. 9 10 This subsystem requires driver model. 11 12if PCI 13 14config DM_PCI_COMPAT 15 bool "Enable compatible functions for PCI" 16 help 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. 21 22config SYS_PCI_64BIT 23 bool "Enable 64-bit PCI resources" 24 default y if PPC 25 help 26 Enable 64-bit PCI resource access. 27 28config PCI_AARDVARK 29 bool "Enable Aardvark PCIe driver" 30 depends on DM_GPIO 31 depends on ARMADA_3700 32 help 33 Say Y here if you want to enable PCIe controller support on 34 Armada37x0 SoCs. The PCIe controller on Armada37x0 is based on 35 Aardvark hardware. 36 37config PCI_PNP 38 bool "Enable Plug & Play support for PCI" 39 default y 40 help 41 Enable PCI memory and I/O space resource allocation and assignment. 42 43config PCI_REGION_MULTI_ENTRY 44 bool "Enable Multiple entries of region type MEMORY in ranges for PCI" 45 help 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. 50 51config PCI_CONFIG_HOST_BRIDGE 52 bool "Configure PCI host bridges" 53 default y if X86 54 55config PCI_MAP_SYSTEM_MEMORY 56 bool "Map local system memory from a virtual base address" 57 depends on MIPS 58 help 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 CFG_SYS_SDRAM_BASE is still 64 being used as virtual address. 65 66config PCI_SRIOV 67 bool "Enable Single Root I/O Virtualization support for PCI" 68 help 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 72 applicable drivers. 73 74config PCI_ENHANCED_ALLOCATION 75 bool "Enable support for Enhanced Allocation of resources" 76 default y 77 help 78 Enable support for Enhanced Allocation which can be used by supported 79 devices in place of traditional BARS for allocation of resources. 80 81config PCI_ARID 82 bool "Enable Alternate Routing-ID support for PCI" 83 help 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. 87 88config PCI_SCAN_SHOW 89 bool "Show PCI devices during startup" 90 depends on PCIE_IMX 91 92config PCIE_ECAM_GENERIC 93 bool "Generic ECAM-based PCI host controller support" 94 help 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. 97 98config PCIE_ECAM_SYNQUACER 99 bool "SynQuacer ECAM-based PCI host controller support" 100 select PCI_INIT_R 101 select PCI_REGION_MULTI_ENTRY 102 help 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. 107 108config PCIE_APPLE 109 bool "Enable Apple PCIe driver" 110 depends on ARCH_APPLE 111 imply PCI_INIT_R 112 default y 113 help 114 Say Y here if you want to enable PCIe controller support on 115 Apple SoCs. 116 117config PCI_GT64120 118 bool "GT64120 PCI support" 119 depends on MIPS 120 121config PCI_PHYTIUM 122 bool "Phytium PCIe support" 123 help 124 Say Y here if you want to enable PCIe controller support on 125 Phytium SoCs. 126 127config PCIE_DW_MVEBU 128 bool "Enable Armada-8K PCIe driver (DesignWare core)" 129 depends on ARMADA_8K 130 help 131 Say Y here if you want to enable PCIe controller support on 132 Armada-8K SoCs. The PCIe controller on Armada-8K is based on 133 DesignWare hardware. 134 135config PCIE_DW_SIFIVE 136 bool "Enable SiFive FU740 PCIe" 137 depends on CLK_SIFIVE_PRCI 138 depends on RESET_SIFIVE 139 depends on SIFIVE_GPIO 140 select PCIE_DW_COMMON 141 help 142 Say Y here if you want to enable PCIe controller support on 143 FU740. 144 145config SYS_FSL_PCI_VER_3_X 146 bool 147 148config PCIE_FSL 149 bool "FSL PowerPC PCIe support" 150 select SYS_FSL_PCI_VER_3_X if ARCH_T2080 || ARCH_T4240 151 help 152 Say Y here if you want to enable PCIe controller support on FSL 153 PowerPC MPC85xx, MPC86xx, B series, P series and T series SoCs. 154 This driver does not support SRIO_PCIE_BOOT feature. 155 156config PCI_MPC85XX 157 bool "MPC85XX PowerPC PCI support" 158 help 159 Say Y here if you want to enable PCI controller support on FSL 160 PowerPC MPC85xx SoC. 161 162config PCI_MSC01 163 bool "MSC01 PCI support" 164 depends on TARGET_MALTA 165 166config PCI_RCAR_GEN2 167 bool "Renesas RCar Gen2 PCIe driver" 168 depends on RCAR_32 169 help 170 Say Y here if you want to enable PCIe controller support on 171 Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is 172 also used to access EHCI USB controller on the SoC. 173 174config PCI_RCAR_GEN3 175 bool "Renesas RCar Gen3 PCIe driver" 176 depends on RCAR_GEN3 177 help 178 Say Y here if you want to enable PCIe controller support on 179 Renesas RCar Gen3 SoCs. 180 181config PCI_SANDBOX 182 bool "Sandbox PCI support" 183 depends on SANDBOX 184 help 185 Support PCI on sandbox, as an emulated bus. This permits testing of 186 PCI feature such as bus scanning, device configuration and device 187 access. The available (emulated) devices are defined statically in 188 the device tree but the normal PCI scan technique is used to find 189 then. 190 191config SH7751_PCI 192 bool "SH7751 PCI controller support" 193 depends on SH 194 help 195 SuperH PCI Bridge Configuration 196 197config PCI_TEGRA 198 bool "Tegra PCI support" 199 depends on ARCH_TEGRA 200 depends on (TEGRA186 && POWER_DOMAIN) || (!TEGRA186) 201 help 202 Enable support for the PCIe controller found on some generations of 203 Tegra. Tegra20 has 2 root ports with a total of 4 lanes, Tegra30 has 204 3 root ports with a total of 6 lanes and Tegra124 has 2 root ports 205 with a total of 5 lanes. Some boards require this for Ethernet 206 support to work (e.g. beaver, jetson-tk1). 207 208config PCI_OCTEONTX 209 bool "OcteonTX PCI support" 210 depends on (ARCH_OCTEONTX || ARCH_OCTEONTX2) 211 help 212 Enable support for the OcteonTX/TX2 SoC family ECAM/PEM controllers. 213 These controllers provide PCI configuration access to all on-board 214 peripherals so it should only be disabled for testing purposes 215 216config PCIE_OCTEON 217 bool "MIPS Octeon PCIe support" 218 depends on ARCH_OCTEON 219 help 220 Enable support for the MIPS Octeon SoC family PCIe controllers. 221 222config PCI_XILINX 223 bool "Xilinx AXI Bridge for PCI Express" 224 help 225 Enable support for the Xilinx AXI bridge for PCI express, an IP block 226 which can be used on some generations of Xilinx FPGAs. 227 228config PCIE_LAYERSCAPE 229 bool 230 231config PCIE_LAYERSCAPE_RC 232 bool "Layerscape PCIe Root Complex mode support" 233 select PCIE_LAYERSCAPE 234 help 235 Enable Layerscape PCIe Root Complex mode driver support. The Layerscape 236 SoC may have one or several PCIe controllers. Each controller can be 237 configured to Root Complex mode by clearing the corresponding bit of 238 RCW[HOST_AGT_PEX]. 239 240config PCI_IOMMU_EXTRA_MAPPINGS 241 bool "Support for specifying extra IOMMU mappings for PCI" 242 depends on PCIE_LAYERSCAPE_RC 243 help 244 Enable support for specifying extra IOMMU mappings for PCI 245 controllers through a special env var called "pci_iommu_extra" or 246 through a device tree property named "pci-iommu-extra" placed in 247 the node describing the PCI controller. 248 The intent is to cover SR-IOV scenarios which need mappings for VFs 249 and PCI hot-plug scenarios. More documentation can be found under: 250 arch/arm/cpu/armv8/fsl-layerscape/doc/README.pci_iommu_extra 251 252config PCIE_LAYERSCAPE_EP 253 bool "Layerscape PCIe Endpoint mode support" 254 select PCIE_LAYERSCAPE 255 select PCI_ENDPOINT 256 help 257 Enable Layerscape PCIe Endpoint mode driver support. The Layerscape 258 SoC may have one or several PCIe controllers. Each controller can be 259 configured to Endpoint mode by setting the corresponding bit of 260 RCW[HOST_AGT_PEX]. 261 262config PCIE_LAYERSCAPE_GEN4 263 bool "Layerscape Gen4 PCIe support" 264 help 265 Support PCIe Gen4 on NXP Layerscape SoCs, which may have one or 266 several PCIe controllers. The PCIe controller can work in RC or 267 EP mode according to RCW[HOST_AGT_PEX] setting. 268 269config FSL_PCIE_COMPAT 270 string "PCIe compatible of Kernel DT" 271 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4 272 default "fsl,ls1012a-pcie" if ARCH_LS1012A 273 default "fsl,ls1028a-pcie" if ARCH_LS1028A 274 default "fsl,ls1043a-pcie" if ARCH_LS1043A 275 default "fsl,ls1046a-pcie" if ARCH_LS1046A 276 default "fsl,ls2080a-pcie" if ARCH_LS2080A 277 default "fsl,ls1088a-pcie" if ARCH_LS1088A 278 default "fsl,ls2088a-pcie" if ARCH_LX2160A || ARCH_LX2162A 279 default "fsl,ls1021a-pcie" if ARCH_LS1021A 280 help 281 This compatible is used to find pci controller node in Kernel DT 282 to complete fixup. 283 284config FSL_PCIE_EP_COMPAT 285 string "PCIe EP compatible of Kernel DT" 286 depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4 287 default "fsl,ls-pcie-ep" 288 help 289 This compatible is used to find pci controller ep node in Kernel DT 290 to complete fixup. 291 292config PCIE_IMX 293 bool "i.MX PCIe support" 294 depends on ARCH_MX6 295 296config PCIE_INTEL_FPGA 297 bool "Intel FPGA PCIe support" 298 help 299 Say Y here if you want to enable PCIe controller support on Intel 300 FPGA, example Stratix 10. 301 302config PCIE_IPROC 303 bool "Iproc PCIe support" 304 help 305 Broadcom iProc PCIe controller driver. 306 Say Y here if you want to enable Broadcom iProc PCIe controller, 307 308config PCI_MVEBU 309 bool "Enable Kirkwood / Armada 370/XP/375/38x PCIe driver" 310 depends on (ARCH_KIRKWOOD || ARCH_MVEBU) 311 select MISC 312 select DM_RESET 313 select DM_GPIO 314 help 315 Say Y here if you want to enable PCIe controller support on 316 Kirkwood and Armada 370/XP/375/38x SoCs. 317 318config PCIE_DW_COMMON 319 bool 320 321config PCI_KEYSTONE 322 bool "TI Keystone PCIe controller" 323 select PCIE_DW_COMMON 324 help 325 Say Y here if you want to enable PCI controller support on AM654 SoC. 326 327config PCIE_MEDIATEK 328 bool "MediaTek PCIe Gen2 controller" 329 depends on ARCH_MEDIATEK 330 help 331 Say Y here if you want to enable Gen2 PCIe controller, 332 which could be found on MT7623 SoC family. 333 334config PCIE_DW_MESON 335 bool "Amlogic Meson DesignWare based PCIe controller" 336 depends on ARCH_MESON 337 select PCIE_DW_COMMON 338 help 339 Say Y here if you want to enable DW PCIe controller support on 340 Amlogic SoCs. 341 342config PCIE_ROCKCHIP 343 bool "Enable Rockchip PCIe driver" 344 depends on ARCH_ROCKCHIP 345 select PHY_ROCKCHIP_PCIE 346 default y if ROCKCHIP_RK3399 347 help 348 Say Y here if you want to enable PCIe controller support on 349 Rockchip SoCs. 350 351config PCIE_DW_ROCKCHIP 352 bool "Rockchip DesignWare based PCIe controller" 353 depends on ARCH_ROCKCHIP 354 select PCIE_DW_COMMON 355 select PHY_ROCKCHIP_SNPS_PCIE3 356 help 357 Say Y here if you want to enable DW PCIe controller support on 358 Rockchip SoCs. 359 360config PCI_BRCMSTB 361 bool "Broadcom STB PCIe controller" 362 depends on ARCH_BCM283X 363 help 364 Say Y here if you want to enable support for PCIe controller 365 on Broadcom set-top-box (STB) SoCs. 366 This driver currently supports only BCM2711 SoC and RC mode 367 of the controller. 368 369config PCIE_UNIPHIER 370 bool "Socionext UniPhier PCIe driver" 371 depends on ARCH_UNIPHIER 372 select PHY_UNIPHIER_PCIE 373 help 374 Say Y here if you want to enable PCIe controller support on 375 UniPhier SoCs. 376 377endif 378