1config MIPS 2 bool 3 default y 4 select HAVE_GENERIC_DMA_COHERENT 5 select HAVE_IDE 6 select HAVE_OPROFILE 7 select HAVE_ARCH_KGDB 8 select HAVE_FUNCTION_TRACER 9 select HAVE_FUNCTION_TRACE_MCOUNT_TEST 10 select HAVE_DYNAMIC_FTRACE 11 select HAVE_FTRACE_MCOUNT_RECORD 12 select HAVE_FUNCTION_GRAPH_TRACER 13 select RTC_LIB if !MACH_LOONGSON 14 15mainmenu "Linux/MIPS Kernel Configuration" 16 17menu "Machine selection" 18 19config ZONE_DMA 20 bool 21 22choice 23 prompt "System type" 24 default SGI_IP22 25 26config MACH_ALCHEMY 27 bool "Alchemy processor based machines" 28 select SYS_SUPPORTS_ZBOOT 29 30config AR7 31 bool "Texas Instruments AR7" 32 select BOOT_ELF32 33 select DMA_NONCOHERENT 34 select CEVT_R4K 35 select CSRC_R4K 36 select IRQ_CPU 37 select NO_EXCEPT_FILL 38 select SWAP_IO_SPACE 39 select SYS_HAS_CPU_MIPS32_R1 40 select SYS_HAS_EARLY_PRINTK 41 select SYS_SUPPORTS_32BIT_KERNEL 42 select SYS_SUPPORTS_LITTLE_ENDIAN 43 select SYS_SUPPORTS_ZBOOT_UART16550 44 select GENERIC_GPIO 45 select GCD 46 select VLYNQ 47 help 48 Support for the Texas Instruments AR7 System-on-a-Chip 49 family: TNETD7100, 7200 and 7300. 50 51config BCM47XX 52 bool "BCM47XX based boards" 53 select CEVT_R4K 54 select CSRC_R4K 55 select DMA_NONCOHERENT 56 select HW_HAS_PCI 57 select IRQ_CPU 58 select SYS_HAS_CPU_MIPS32_R1 59 select SYS_SUPPORTS_32BIT_KERNEL 60 select SYS_SUPPORTS_LITTLE_ENDIAN 61 select SSB 62 select SSB_DRIVER_MIPS 63 select SSB_DRIVER_EXTIF 64 select SSB_EMBEDDED 65 select SSB_PCICORE_HOSTMODE if PCI 66 select GENERIC_GPIO 67 select SYS_HAS_EARLY_PRINTK 68 select CFE 69 help 70 Support for BCM47XX based boards 71 72config BCM63XX 73 bool "Broadcom BCM63XX based boards" 74 select CEVT_R4K 75 select CSRC_R4K 76 select DMA_NONCOHERENT 77 select IRQ_CPU 78 select SYS_HAS_CPU_MIPS32_R1 79 select SYS_SUPPORTS_32BIT_KERNEL 80 select SYS_SUPPORTS_BIG_ENDIAN 81 select SYS_HAS_EARLY_PRINTK 82 select SWAP_IO_SPACE 83 select ARCH_REQUIRE_GPIOLIB 84 help 85 Support for BCM63XX based boards 86 87config MIPS_COBALT 88 bool "Cobalt Server" 89 select CEVT_R4K 90 select CSRC_R4K 91 select CEVT_GT641XX 92 select DMA_NONCOHERENT 93 select HW_HAS_PCI 94 select I8253 95 select I8259 96 select IRQ_CPU 97 select IRQ_GT641XX 98 select PCI_GT64XXX_PCI0 99 select PCI 100 select SYS_HAS_CPU_NEVADA 101 select SYS_HAS_EARLY_PRINTK 102 select SYS_SUPPORTS_32BIT_KERNEL 103 select SYS_SUPPORTS_64BIT_KERNEL 104 select SYS_SUPPORTS_LITTLE_ENDIAN 105 106config MACH_DECSTATION 107 bool "DECstations" 108 select BOOT_ELF32 109 select CEVT_DS1287 110 select CEVT_R4K 111 select CSRC_IOASIC 112 select CSRC_R4K 113 select CPU_DADDI_WORKAROUNDS if 64BIT 114 select CPU_R4000_WORKAROUNDS if 64BIT 115 select CPU_R4400_WORKAROUNDS if 64BIT 116 select DMA_NONCOHERENT 117 select NO_IOPORT 118 select IRQ_CPU 119 select SYS_HAS_CPU_R3000 120 select SYS_HAS_CPU_R4X00 121 select SYS_SUPPORTS_32BIT_KERNEL 122 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 123 select SYS_SUPPORTS_LITTLE_ENDIAN 124 select SYS_SUPPORTS_128HZ 125 select SYS_SUPPORTS_256HZ 126 select SYS_SUPPORTS_1024HZ 127 help 128 This enables support for DEC's MIPS based workstations. For details 129 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 130 DECstation porting pages on <http://decstation.unix-ag.org/>. 131 132 If you have one of the following DECstation Models you definitely 133 want to choose R4xx0 for the CPU Type: 134 135 DECstation 5000/50 136 DECstation 5000/150 137 DECstation 5000/260 138 DECsystem 5900/260 139 140 otherwise choose R3000. 141 142config MACH_JAZZ 143 bool "Jazz family of machines" 144 select ARC 145 select ARC32 146 select ARCH_MAY_HAVE_PC_FDC 147 select CEVT_R4K 148 select CSRC_R4K 149 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 150 select GENERIC_ISA_DMA 151 select IRQ_CPU 152 select I8253 153 select I8259 154 select ISA 155 select SYS_HAS_CPU_R4X00 156 select SYS_SUPPORTS_32BIT_KERNEL 157 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 158 select SYS_SUPPORTS_100HZ 159 help 160 This a family of machines based on the MIPS R4030 chipset which was 161 used by several vendors to build RISC/os and Windows NT workstations. 162 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 163 Olivetti M700-10 workstations. 164 165config LASAT 166 bool "LASAT Networks platforms" 167 select CEVT_R4K 168 select CSRC_R4K 169 select DMA_NONCOHERENT 170 select SYS_HAS_EARLY_PRINTK 171 select HW_HAS_PCI 172 select IRQ_CPU 173 select PCI_GT64XXX_PCI0 174 select MIPS_NILE4 175 select R5000_CPU_SCACHE 176 select SYS_HAS_CPU_R5000 177 select SYS_SUPPORTS_32BIT_KERNEL 178 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 179 select SYS_SUPPORTS_LITTLE_ENDIAN 180 181config MACH_LOONGSON 182 bool "Loongson family of machines" 183 select SYS_SUPPORTS_ZBOOT_UART16550 184 help 185 This enables the support of Loongson family of machines. 186 187 Loongson is a family of general-purpose MIPS-compatible CPUs. 188 developed at Institute of Computing Technology (ICT), 189 Chinese Academy of Sciences (CAS) in the People's Republic 190 of China. The chief architect is Professor Weiwu Hu. 191 192config MIPS_MALTA 193 bool "MIPS Malta board" 194 select ARCH_MAY_HAVE_PC_FDC 195 select BOOT_ELF32 196 select BOOT_RAW 197 select CEVT_R4K 198 select CSRC_R4K 199 select DMA_NONCOHERENT 200 select GENERIC_ISA_DMA 201 select IRQ_CPU 202 select IRQ_GIC 203 select HW_HAS_PCI 204 select I8253 205 select I8259 206 select MIPS_BOARDS_GEN 207 select MIPS_BONITO64 208 select MIPS_CPU_SCACHE 209 select PCI_GT64XXX_PCI0 210 select MIPS_MSC 211 select SWAP_IO_SPACE 212 select SYS_HAS_CPU_MIPS32_R1 213 select SYS_HAS_CPU_MIPS32_R2 214 select SYS_HAS_CPU_MIPS64_R1 215 select SYS_HAS_CPU_NEVADA 216 select SYS_HAS_CPU_RM7000 217 select SYS_HAS_EARLY_PRINTK 218 select SYS_SUPPORTS_32BIT_KERNEL 219 select SYS_SUPPORTS_64BIT_KERNEL 220 select SYS_SUPPORTS_BIG_ENDIAN 221 select SYS_SUPPORTS_LITTLE_ENDIAN 222 select SYS_SUPPORTS_MIPS_CMP 223 select SYS_SUPPORTS_MULTITHREADING 224 select SYS_SUPPORTS_SMARTMIPS 225 select SYS_SUPPORTS_ZBOOT 226 help 227 This enables support for the MIPS Technologies Malta evaluation 228 board. 229 230config MIPS_SIM 231 bool 'MIPS simulator (MIPSsim)' 232 select CEVT_R4K 233 select CSRC_R4K 234 select DMA_NONCOHERENT 235 select SYS_HAS_EARLY_PRINTK 236 select IRQ_CPU 237 select BOOT_RAW 238 select SYS_HAS_CPU_MIPS32_R1 239 select SYS_HAS_CPU_MIPS32_R2 240 select SYS_HAS_EARLY_PRINTK 241 select SYS_SUPPORTS_32BIT_KERNEL 242 select SYS_SUPPORTS_BIG_ENDIAN 243 select SYS_SUPPORTS_MULTITHREADING 244 select SYS_SUPPORTS_LITTLE_ENDIAN 245 help 246 This option enables support for MIPS Technologies MIPSsim software 247 emulator. 248 249config NEC_MARKEINS 250 bool "NEC EMMA2RH Mark-eins board" 251 select SOC_EMMA2RH 252 select HW_HAS_PCI 253 help 254 This enables support for the NEC Electronics Mark-eins boards. 255 256config MACH_VR41XX 257 bool "NEC VR4100 series based machines" 258 select CEVT_R4K 259 select CSRC_R4K 260 select SYS_HAS_CPU_VR41XX 261 select ARCH_REQUIRE_GPIOLIB 262 263config NXP_STB220 264 bool "NXP STB220 board" 265 select SOC_PNX833X 266 help 267 Support for NXP Semiconductors STB220 Development Board. 268 269config NXP_STB225 270 bool "NXP 225 board" 271 select SOC_PNX833X 272 select SOC_PNX8335 273 help 274 Support for NXP Semiconductors STB225 Development Board. 275 276config PNX8550_JBS 277 bool "NXP PNX8550 based JBS board" 278 select PNX8550 279 select SYS_SUPPORTS_LITTLE_ENDIAN 280 281config PNX8550_STB810 282 bool "NXP PNX8550 based STB810 board" 283 select PNX8550 284 select SYS_SUPPORTS_LITTLE_ENDIAN 285 286config PMC_MSP 287 bool "PMC-Sierra MSP chipsets" 288 depends on EXPERIMENTAL 289 select DMA_NONCOHERENT 290 select SWAP_IO_SPACE 291 select NO_EXCEPT_FILL 292 select BOOT_RAW 293 select SYS_HAS_CPU_MIPS32_R1 294 select SYS_HAS_CPU_MIPS32_R2 295 select SYS_SUPPORTS_32BIT_KERNEL 296 select SYS_SUPPORTS_BIG_ENDIAN 297 select IRQ_CPU 298 select SERIAL_8250 299 select SERIAL_8250_CONSOLE 300 help 301 This adds support for the PMC-Sierra family of Multi-Service 302 Processor System-On-A-Chips. These parts include a number 303 of integrated peripherals, interfaces and DSPs in addition to 304 a variety of MIPS cores. 305 306config PMC_YOSEMITE 307 bool "PMC-Sierra Yosemite eval board" 308 select CEVT_R4K 309 select CSRC_R4K 310 select DMA_COHERENT 311 select HW_HAS_PCI 312 select IRQ_CPU 313 select IRQ_CPU_RM7K 314 select IRQ_CPU_RM9K 315 select SWAP_IO_SPACE 316 select SYS_HAS_CPU_RM9000 317 select SYS_HAS_EARLY_PRINTK 318 select SYS_SUPPORTS_32BIT_KERNEL 319 select SYS_SUPPORTS_64BIT_KERNEL 320 select SYS_SUPPORTS_BIG_ENDIAN 321 select SYS_SUPPORTS_HIGHMEM 322 select SYS_SUPPORTS_SMP 323 help 324 Yosemite is an evaluation board for the RM9000x2 processor 325 manufactured by PMC-Sierra. 326 327config POWERTV 328 bool "Cisco PowerTV" 329 select BOOT_ELF32 330 select CEVT_R4K 331 select CPU_MIPSR2_IRQ_VI 332 select CPU_MIPSR2_IRQ_EI 333 select CSRC_POWERTV 334 select DMA_NONCOHERENT 335 select HW_HAS_PCI 336 select SYS_HAS_EARLY_PRINTK 337 select SYS_HAS_CPU_MIPS32_R2 338 select SYS_SUPPORTS_32BIT_KERNEL 339 select SYS_SUPPORTS_BIG_ENDIAN 340 select SYS_SUPPORTS_HIGHMEM 341 select USB_OHCI_LITTLE_ENDIAN 342 help 343 This enables support for the Cisco PowerTV Platform. 344 345config SGI_IP22 346 bool "SGI IP22 (Indy/Indigo2)" 347 select ARC 348 select ARC32 349 select BOOT_ELF32 350 select CEVT_R4K 351 select CSRC_R4K 352 select DEFAULT_SGI_PARTITION 353 select DMA_NONCOHERENT 354 select HW_HAS_EISA 355 select I8253 356 select I8259 357 select IP22_CPU_SCACHE 358 select IRQ_CPU 359 select GENERIC_ISA_DMA_SUPPORT_BROKEN 360 select SGI_HAS_I8042 361 select SGI_HAS_INDYDOG 362 select SGI_HAS_HAL2 363 select SGI_HAS_SEEQ 364 select SGI_HAS_WD93 365 select SGI_HAS_ZILOG 366 select SWAP_IO_SPACE 367 select SYS_HAS_CPU_R4X00 368 select SYS_HAS_CPU_R5000 369 # 370 # Disable EARLY_PRINTK for now since it leads to overwritten prom 371 # memory during early boot on some machines. 372 # 373 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 374 # for a more details discussion 375 # 376 # select SYS_HAS_EARLY_PRINTK 377 select SYS_SUPPORTS_32BIT_KERNEL 378 select SYS_SUPPORTS_64BIT_KERNEL 379 select SYS_SUPPORTS_BIG_ENDIAN 380 help 381 This are the SGI Indy, Challenge S and Indigo2, as well as certain 382 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 383 that runs on these, say Y here. 384 385config SGI_IP27 386 bool "SGI IP27 (Origin200/2000)" 387 select ARC 388 select ARC64 389 select BOOT_ELF64 390 select DEFAULT_SGI_PARTITION 391 select DMA_COHERENT 392 select SYS_HAS_EARLY_PRINTK 393 select HW_HAS_PCI 394 select NR_CPUS_DEFAULT_64 395 select SYS_HAS_CPU_R10000 396 select SYS_SUPPORTS_64BIT_KERNEL 397 select SYS_SUPPORTS_BIG_ENDIAN 398 select SYS_SUPPORTS_NUMA 399 select SYS_SUPPORTS_SMP 400 help 401 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 402 workstations. To compile a Linux kernel that runs on these, say Y 403 here. 404 405config SGI_IP28 406 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 407 depends on EXPERIMENTAL 408 select ARC 409 select ARC64 410 select BOOT_ELF64 411 select CEVT_R4K 412 select CSRC_R4K 413 select DEFAULT_SGI_PARTITION 414 select DMA_NONCOHERENT 415 select GENERIC_ISA_DMA_SUPPORT_BROKEN 416 select IRQ_CPU 417 select HW_HAS_EISA 418 select I8253 419 select I8259 420 select SGI_HAS_I8042 421 select SGI_HAS_INDYDOG 422 select SGI_HAS_HAL2 423 select SGI_HAS_SEEQ 424 select SGI_HAS_WD93 425 select SGI_HAS_ZILOG 426 select SWAP_IO_SPACE 427 select SYS_HAS_CPU_R10000 428 # 429 # Disable EARLY_PRINTK for now since it leads to overwritten prom 430 # memory during early boot on some machines. 431 # 432 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 433 # for a more details discussion 434 # 435 # select SYS_HAS_EARLY_PRINTK 436 select SYS_SUPPORTS_64BIT_KERNEL 437 select SYS_SUPPORTS_BIG_ENDIAN 438 help 439 This is the SGI Indigo2 with R10000 processor. To compile a Linux 440 kernel that runs on these, say Y here. 441 442config SGI_IP32 443 bool "SGI IP32 (O2)" 444 select ARC 445 select ARC32 446 select BOOT_ELF32 447 select CEVT_R4K 448 select CSRC_R4K 449 select DMA_NONCOHERENT 450 select HW_HAS_PCI 451 select IRQ_CPU 452 select R5000_CPU_SCACHE 453 select RM7000_CPU_SCACHE 454 select SYS_HAS_CPU_R5000 455 select SYS_HAS_CPU_R10000 if BROKEN 456 select SYS_HAS_CPU_RM7000 457 select SYS_HAS_CPU_NEVADA 458 select SYS_SUPPORTS_64BIT_KERNEL 459 select SYS_SUPPORTS_BIG_ENDIAN 460 help 461 If you want this kernel to run on SGI O2 workstation, say Y here. 462 463config SIBYTE_CRHINE 464 bool "Sibyte BCM91120C-CRhine" 465 depends on EXPERIMENTAL 466 select BOOT_ELF32 467 select DMA_COHERENT 468 select SIBYTE_BCM1120 469 select SWAP_IO_SPACE 470 select SYS_HAS_CPU_SB1 471 select SYS_SUPPORTS_BIG_ENDIAN 472 select SYS_SUPPORTS_LITTLE_ENDIAN 473 474config SIBYTE_CARMEL 475 bool "Sibyte BCM91120x-Carmel" 476 depends on EXPERIMENTAL 477 select BOOT_ELF32 478 select DMA_COHERENT 479 select SIBYTE_BCM1120 480 select SWAP_IO_SPACE 481 select SYS_HAS_CPU_SB1 482 select SYS_SUPPORTS_BIG_ENDIAN 483 select SYS_SUPPORTS_LITTLE_ENDIAN 484 485config SIBYTE_CRHONE 486 bool "Sibyte BCM91125C-CRhone" 487 depends on EXPERIMENTAL 488 select BOOT_ELF32 489 select DMA_COHERENT 490 select SIBYTE_BCM1125 491 select SWAP_IO_SPACE 492 select SYS_HAS_CPU_SB1 493 select SYS_SUPPORTS_BIG_ENDIAN 494 select SYS_SUPPORTS_HIGHMEM 495 select SYS_SUPPORTS_LITTLE_ENDIAN 496 497config SIBYTE_RHONE 498 bool "Sibyte BCM91125E-Rhone" 499 depends on EXPERIMENTAL 500 select BOOT_ELF32 501 select DMA_COHERENT 502 select SIBYTE_BCM1125H 503 select SWAP_IO_SPACE 504 select SYS_HAS_CPU_SB1 505 select SYS_SUPPORTS_BIG_ENDIAN 506 select SYS_SUPPORTS_LITTLE_ENDIAN 507 508config SIBYTE_SWARM 509 bool "Sibyte BCM91250A-SWARM" 510 select BOOT_ELF32 511 select DMA_COHERENT 512 select NR_CPUS_DEFAULT_2 513 select SIBYTE_SB1250 514 select SWAP_IO_SPACE 515 select SYS_HAS_CPU_SB1 516 select SYS_SUPPORTS_BIG_ENDIAN 517 select SYS_SUPPORTS_HIGHMEM 518 select SYS_SUPPORTS_LITTLE_ENDIAN 519 select ZONE_DMA32 if 64BIT 520 521config SIBYTE_LITTLESUR 522 bool "Sibyte BCM91250C2-LittleSur" 523 depends on EXPERIMENTAL 524 select BOOT_ELF32 525 select DMA_COHERENT 526 select NR_CPUS_DEFAULT_2 527 select SIBYTE_SB1250 528 select SWAP_IO_SPACE 529 select SYS_HAS_CPU_SB1 530 select SYS_SUPPORTS_BIG_ENDIAN 531 select SYS_SUPPORTS_HIGHMEM 532 select SYS_SUPPORTS_LITTLE_ENDIAN 533 534config SIBYTE_SENTOSA 535 bool "Sibyte BCM91250E-Sentosa" 536 depends on EXPERIMENTAL 537 select BOOT_ELF32 538 select DMA_COHERENT 539 select NR_CPUS_DEFAULT_2 540 select SIBYTE_SB1250 541 select SWAP_IO_SPACE 542 select SYS_HAS_CPU_SB1 543 select SYS_SUPPORTS_BIG_ENDIAN 544 select SYS_SUPPORTS_LITTLE_ENDIAN 545 546config SIBYTE_BIGSUR 547 bool "Sibyte BCM91480B-BigSur" 548 select BOOT_ELF32 549 select DMA_COHERENT 550 select NR_CPUS_DEFAULT_4 551 select SIBYTE_BCM1x80 552 select SWAP_IO_SPACE 553 select SYS_HAS_CPU_SB1 554 select SYS_SUPPORTS_BIG_ENDIAN 555 select SYS_SUPPORTS_HIGHMEM 556 select SYS_SUPPORTS_LITTLE_ENDIAN 557 select ZONE_DMA32 if 64BIT 558 559config SNI_RM 560 bool "SNI RM200/300/400" 561 select ARC if CPU_LITTLE_ENDIAN 562 select ARC32 if CPU_LITTLE_ENDIAN 563 select SNIPROM if CPU_BIG_ENDIAN 564 select ARCH_MAY_HAVE_PC_FDC 565 select BOOT_ELF32 566 select CEVT_R4K 567 select CSRC_R4K 568 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 569 select DMA_NONCOHERENT 570 select GENERIC_ISA_DMA 571 select HW_HAS_EISA 572 select HW_HAS_PCI 573 select IRQ_CPU 574 select I8253 575 select I8259 576 select ISA 577 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 578 select SYS_HAS_CPU_R4X00 579 select SYS_HAS_CPU_R5000 580 select SYS_HAS_CPU_R10000 581 select R5000_CPU_SCACHE 582 select SYS_HAS_EARLY_PRINTK 583 select SYS_SUPPORTS_32BIT_KERNEL 584 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 585 select SYS_SUPPORTS_BIG_ENDIAN 586 select SYS_SUPPORTS_HIGHMEM 587 select SYS_SUPPORTS_LITTLE_ENDIAN 588 help 589 The SNI RM200/300/400 are MIPS-based machines manufactured by 590 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 591 Technology and now in turn merged with Fujitsu. Say Y here to 592 support this machine type. 593 594config MACH_TX39XX 595 bool "Toshiba TX39 series based machines" 596 597config MACH_TX49XX 598 bool "Toshiba TX49 series based machines" 599 600config MIKROTIK_RB532 601 bool "Mikrotik RB532 boards" 602 select CEVT_R4K 603 select CSRC_R4K 604 select DMA_NONCOHERENT 605 select HW_HAS_PCI 606 select IRQ_CPU 607 select SYS_HAS_CPU_MIPS32_R1 608 select SYS_SUPPORTS_32BIT_KERNEL 609 select SYS_SUPPORTS_LITTLE_ENDIAN 610 select SWAP_IO_SPACE 611 select BOOT_RAW 612 select ARCH_REQUIRE_GPIOLIB 613 help 614 Support the Mikrotik(tm) RouterBoard 532 series, 615 based on the IDT RC32434 SoC. 616 617config WR_PPMC 618 bool "Wind River PPMC board" 619 select CEVT_R4K 620 select CSRC_R4K 621 select IRQ_CPU 622 select BOOT_ELF32 623 select DMA_NONCOHERENT 624 select HW_HAS_PCI 625 select PCI_GT64XXX_PCI0 626 select SWAP_IO_SPACE 627 select SYS_HAS_CPU_MIPS32_R1 628 select SYS_HAS_CPU_MIPS32_R2 629 select SYS_HAS_CPU_MIPS64_R1 630 select SYS_HAS_CPU_NEVADA 631 select SYS_HAS_CPU_RM7000 632 select SYS_SUPPORTS_32BIT_KERNEL 633 select SYS_SUPPORTS_64BIT_KERNEL 634 select SYS_SUPPORTS_BIG_ENDIAN 635 select SYS_SUPPORTS_LITTLE_ENDIAN 636 help 637 This enables support for the Wind River MIPS32 4KC PPMC evaluation 638 board, which is based on GT64120 bridge chip. 639 640config CAVIUM_OCTEON_SIMULATOR 641 bool "Cavium Networks Octeon Simulator" 642 select CEVT_R4K 643 select 64BIT_PHYS_ADDR 644 select DMA_COHERENT 645 select SYS_SUPPORTS_64BIT_KERNEL 646 select SYS_SUPPORTS_BIG_ENDIAN 647 select SYS_SUPPORTS_HIGHMEM 648 select SYS_SUPPORTS_HOTPLUG_CPU 649 select SYS_HAS_CPU_CAVIUM_OCTEON 650 help 651 The Octeon simulator is software performance model of the Cavium 652 Octeon Processor. It supports simulating Octeon processors on x86 653 hardware. 654 655config CAVIUM_OCTEON_REFERENCE_BOARD 656 bool "Cavium Networks Octeon reference board" 657 select CEVT_R4K 658 select 64BIT_PHYS_ADDR 659 select DMA_COHERENT 660 select SYS_SUPPORTS_64BIT_KERNEL 661 select SYS_SUPPORTS_BIG_ENDIAN 662 select SYS_SUPPORTS_HIGHMEM 663 select SYS_SUPPORTS_HOTPLUG_CPU 664 select SYS_HAS_EARLY_PRINTK 665 select SYS_HAS_CPU_CAVIUM_OCTEON 666 select SWAP_IO_SPACE 667 select HW_HAS_PCI 668 select ARCH_SUPPORTS_MSI 669 help 670 This option supports all of the Octeon reference boards from Cavium 671 Networks. It builds a kernel that dynamically determines the Octeon 672 CPU type and supports all known board reference implementations. 673 Some of the supported boards are: 674 EBT3000 675 EBH3000 676 EBH3100 677 Thunder 678 Kodama 679 Hikari 680 Say Y here for most Octeon reference boards. 681 682endchoice 683 684source "arch/mips/alchemy/Kconfig" 685source "arch/mips/bcm63xx/Kconfig" 686source "arch/mips/jazz/Kconfig" 687source "arch/mips/lasat/Kconfig" 688source "arch/mips/pmc-sierra/Kconfig" 689source "arch/mips/powertv/Kconfig" 690source "arch/mips/sgi-ip27/Kconfig" 691source "arch/mips/sibyte/Kconfig" 692source "arch/mips/txx9/Kconfig" 693source "arch/mips/vr41xx/Kconfig" 694source "arch/mips/cavium-octeon/Kconfig" 695source "arch/mips/loongson/Kconfig" 696 697endmenu 698 699config RWSEM_GENERIC_SPINLOCK 700 bool 701 default y 702 703config RWSEM_XCHGADD_ALGORITHM 704 bool 705 706config ARCH_HAS_ILOG2_U32 707 bool 708 default n 709 710config ARCH_HAS_ILOG2_U64 711 bool 712 default n 713 714config ARCH_SUPPORTS_OPROFILE 715 bool 716 default y if !MIPS_MT_SMTC 717 718config GENERIC_FIND_NEXT_BIT 719 bool 720 default y 721 722config GENERIC_HWEIGHT 723 bool 724 default y 725 726config GENERIC_CALIBRATE_DELAY 727 bool 728 default y 729 730config GENERIC_CLOCKEVENTS 731 bool 732 default y 733 734config GENERIC_TIME 735 bool 736 default y 737 738config GENERIC_CMOS_UPDATE 739 bool 740 default y 741 742config SCHED_OMIT_FRAME_POINTER 743 bool 744 default y 745 746config GENERIC_HARDIRQS_NO__DO_IRQ 747 def_bool y 748 749# 750# Select some configuration options automatically based on user selections. 751# 752config ARC 753 bool 754 755config ARCH_MAY_HAVE_PC_FDC 756 bool 757 758config BOOT_RAW 759 bool 760 761config CEVT_BCM1480 762 bool 763 764config CEVT_DS1287 765 bool 766 767config CEVT_GT641XX 768 bool 769 770config CEVT_R4K_LIB 771 bool 772 773config CEVT_R4K 774 select CEVT_R4K_LIB 775 bool 776 777config CEVT_SB1250 778 bool 779 780config CEVT_TXX9 781 bool 782 783config CSRC_BCM1480 784 bool 785 786config CSRC_IOASIC 787 bool 788 789config CSRC_POWERTV 790 bool 791 792config CSRC_R4K_LIB 793 bool 794 795config CSRC_R4K 796 select CSRC_R4K_LIB 797 bool 798 799config CSRC_SB1250 800 bool 801 802config GPIO_TXX9 803 select GENERIC_GPIO 804 select ARCH_REQUIRE_GPIOLIB 805 bool 806 807config CFE 808 bool 809 810config DMA_COHERENT 811 bool 812 813config DMA_NONCOHERENT 814 bool 815 select DMA_NEED_PCI_MAP_STATE 816 817config DMA_NEED_PCI_MAP_STATE 818 bool 819 820config SYS_HAS_EARLY_PRINTK 821 bool 822 823config HOTPLUG_CPU 824 bool "Support for hot-pluggable CPUs" 825 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 826 help 827 Say Y here to allow turning CPUs off and on. CPUs can be 828 controlled through /sys/devices/system/cpu. 829 (Note: power management support will enable this option 830 automatically on SMP systems. ) 831 Say N if you want to disable CPU hotplug. 832 833config SYS_SUPPORTS_HOTPLUG_CPU 834 bool 835 836config I8259 837 bool 838 839config MIPS_BONITO64 840 bool 841 842config MIPS_MSC 843 bool 844 845config MIPS_NILE4 846 bool 847 848config MIPS_DISABLE_OBSOLETE_IDE 849 bool 850 851config SYNC_R4K 852 bool 853 854config NO_IOPORT 855 def_bool n 856 857config GENERIC_ISA_DMA 858 bool 859 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 860 861config GENERIC_ISA_DMA_SUPPORT_BROKEN 862 bool 863 select GENERIC_ISA_DMA 864 865config GENERIC_GPIO 866 bool 867 868# 869# Endianess selection. Sufficiently obscure so many users don't know what to 870# answer,so we try hard to limit the available choices. Also the use of a 871# choice statement should be more obvious to the user. 872# 873choice 874 prompt "Endianess selection" 875 help 876 Some MIPS machines can be configured for either little or big endian 877 byte order. These modes require different kernels and a different 878 Linux distribution. In general there is one preferred byteorder for a 879 particular system but some systems are just as commonly used in the 880 one or the other endianness. 881 882config CPU_BIG_ENDIAN 883 bool "Big endian" 884 depends on SYS_SUPPORTS_BIG_ENDIAN 885 886config CPU_LITTLE_ENDIAN 887 bool "Little endian" 888 depends on SYS_SUPPORTS_LITTLE_ENDIAN 889 help 890 891endchoice 892 893config SYS_SUPPORTS_APM_EMULATION 894 bool 895 896config SYS_SUPPORTS_BIG_ENDIAN 897 bool 898 899config SYS_SUPPORTS_LITTLE_ENDIAN 900 bool 901 902config SYS_SUPPORTS_HUGETLBFS 903 bool 904 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 905 default y 906 907config IRQ_CPU 908 bool 909 910config IRQ_CPU_RM7K 911 bool 912 913config IRQ_CPU_RM9K 914 bool 915 916config IRQ_MSP_SLP 917 bool 918 919config IRQ_MSP_CIC 920 bool 921 922config IRQ_TXX9 923 bool 924 925config IRQ_GT641XX 926 bool 927 928config IRQ_GIC 929 bool 930 931config IRQ_CPU_OCTEON 932 bool 933 934config MIPS_BOARDS_GEN 935 bool 936 937config PCI_GT64XXX_PCI0 938 bool 939 940config NO_EXCEPT_FILL 941 bool 942 943config MIPS_RM9122 944 bool 945 select SERIAL_RM9000 946 947config SOC_EMMA2RH 948 bool 949 select CEVT_R4K 950 select CSRC_R4K 951 select DMA_NONCOHERENT 952 select IRQ_CPU 953 select SWAP_IO_SPACE 954 select SYS_HAS_CPU_R5500 955 select SYS_SUPPORTS_32BIT_KERNEL 956 select SYS_SUPPORTS_64BIT_KERNEL 957 select SYS_SUPPORTS_BIG_ENDIAN 958 959config SOC_PNX833X 960 bool 961 select CEVT_R4K 962 select CSRC_R4K 963 select IRQ_CPU 964 select DMA_NONCOHERENT 965 select SYS_HAS_CPU_MIPS32_R2 966 select SYS_SUPPORTS_32BIT_KERNEL 967 select SYS_SUPPORTS_LITTLE_ENDIAN 968 select SYS_SUPPORTS_BIG_ENDIAN 969 select GENERIC_GPIO 970 select CPU_MIPSR2_IRQ_VI 971 972config SOC_PNX8335 973 bool 974 select SOC_PNX833X 975 976config PNX8550 977 bool 978 select SOC_PNX8550 979 980config SOC_PNX8550 981 bool 982 select DMA_NONCOHERENT 983 select HW_HAS_PCI 984 select SYS_HAS_CPU_MIPS32_R1 985 select SYS_HAS_EARLY_PRINTK 986 select SYS_SUPPORTS_32BIT_KERNEL 987 select GENERIC_GPIO 988 989config SWAP_IO_SPACE 990 bool 991 992config SERIAL_RM9000 993 bool 994 995config SGI_HAS_INDYDOG 996 bool 997 998config SGI_HAS_HAL2 999 bool 1000 1001config SGI_HAS_SEEQ 1002 bool 1003 1004config SGI_HAS_WD93 1005 bool 1006 1007config SGI_HAS_ZILOG 1008 bool 1009 1010config SGI_HAS_I8042 1011 bool 1012 1013config DEFAULT_SGI_PARTITION 1014 bool 1015 1016config ARC32 1017 bool 1018 1019config SNIPROM 1020 bool 1021 1022config BOOT_ELF32 1023 bool 1024 1025config MIPS_L1_CACHE_SHIFT 1026 int 1027 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 1028 default "6" if MIPS_CPU_SCACHE 1029 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1030 default "5" 1031 1032config HAVE_STD_PC_SERIAL_PORT 1033 bool 1034 1035config ARC_CONSOLE 1036 bool "ARC console support" 1037 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1038 1039config ARC_MEMORY 1040 bool 1041 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1042 default y 1043 1044config ARC_PROMLIB 1045 bool 1046 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1047 default y 1048 1049config ARC64 1050 bool 1051 1052config BOOT_ELF64 1053 bool 1054 1055menu "CPU selection" 1056 1057choice 1058 prompt "CPU type" 1059 default CPU_R4X00 1060 1061config CPU_LOONGSON2E 1062 bool "Loongson 2E" 1063 depends on SYS_HAS_CPU_LOONGSON2E 1064 select CPU_LOONGSON2 1065 help 1066 The Loongson 2E processor implements the MIPS III instruction set 1067 with many extensions. 1068 1069 It has an internal FPGA northbridge, which is compatiable to 1070 bonito64. 1071 1072config CPU_LOONGSON2F 1073 bool "Loongson 2F" 1074 depends on SYS_HAS_CPU_LOONGSON2F 1075 select CPU_LOONGSON2 1076 help 1077 The Loongson 2F processor implements the MIPS III instruction set 1078 with many extensions. 1079 1080 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1081 have a similar programming interface with FPGA northbridge used in 1082 Loongson2E. 1083 1084config CPU_MIPS32_R1 1085 bool "MIPS32 Release 1" 1086 depends on SYS_HAS_CPU_MIPS32_R1 1087 select CPU_HAS_PREFETCH 1088 select CPU_SUPPORTS_32BIT_KERNEL 1089 select CPU_SUPPORTS_HIGHMEM 1090 help 1091 Choose this option to build a kernel for release 1 or later of the 1092 MIPS32 architecture. Most modern embedded systems with a 32-bit 1093 MIPS processor are based on a MIPS32 processor. If you know the 1094 specific type of processor in your system, choose those that one 1095 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1096 Release 2 of the MIPS32 architecture is available since several 1097 years so chances are you even have a MIPS32 Release 2 processor 1098 in which case you should choose CPU_MIPS32_R2 instead for better 1099 performance. 1100 1101config CPU_MIPS32_R2 1102 bool "MIPS32 Release 2" 1103 depends on SYS_HAS_CPU_MIPS32_R2 1104 select CPU_HAS_PREFETCH 1105 select CPU_SUPPORTS_32BIT_KERNEL 1106 select CPU_SUPPORTS_HIGHMEM 1107 help 1108 Choose this option to build a kernel for release 2 or later of the 1109 MIPS32 architecture. Most modern embedded systems with a 32-bit 1110 MIPS processor are based on a MIPS32 processor. If you know the 1111 specific type of processor in your system, choose those that one 1112 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1113 1114config CPU_MIPS64_R1 1115 bool "MIPS64 Release 1" 1116 depends on SYS_HAS_CPU_MIPS64_R1 1117 select CPU_HAS_PREFETCH 1118 select CPU_SUPPORTS_32BIT_KERNEL 1119 select CPU_SUPPORTS_64BIT_KERNEL 1120 select CPU_SUPPORTS_HIGHMEM 1121 select CPU_SUPPORTS_HUGEPAGES 1122 help 1123 Choose this option to build a kernel for release 1 or later of the 1124 MIPS64 architecture. Many modern embedded systems with a 64-bit 1125 MIPS processor are based on a MIPS64 processor. If you know the 1126 specific type of processor in your system, choose those that one 1127 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1128 Release 2 of the MIPS64 architecture is available since several 1129 years so chances are you even have a MIPS64 Release 2 processor 1130 in which case you should choose CPU_MIPS64_R2 instead for better 1131 performance. 1132 1133config CPU_MIPS64_R2 1134 bool "MIPS64 Release 2" 1135 depends on SYS_HAS_CPU_MIPS64_R2 1136 select CPU_HAS_PREFETCH 1137 select CPU_SUPPORTS_32BIT_KERNEL 1138 select CPU_SUPPORTS_64BIT_KERNEL 1139 select CPU_SUPPORTS_HIGHMEM 1140 select CPU_SUPPORTS_HUGEPAGES 1141 help 1142 Choose this option to build a kernel for release 2 or later of the 1143 MIPS64 architecture. Many modern embedded systems with a 64-bit 1144 MIPS processor are based on a MIPS64 processor. If you know the 1145 specific type of processor in your system, choose those that one 1146 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1147 1148config CPU_R3000 1149 bool "R3000" 1150 depends on SYS_HAS_CPU_R3000 1151 select CPU_HAS_WB 1152 select CPU_SUPPORTS_32BIT_KERNEL 1153 select CPU_SUPPORTS_HIGHMEM 1154 help 1155 Please make sure to pick the right CPU type. Linux/MIPS is not 1156 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1157 *not* work on R4000 machines and vice versa. However, since most 1158 of the supported machines have an R4000 (or similar) CPU, R4x00 1159 might be a safe bet. If the resulting kernel does not work, 1160 try to recompile with R3000. 1161 1162config CPU_TX39XX 1163 bool "R39XX" 1164 depends on SYS_HAS_CPU_TX39XX 1165 select CPU_SUPPORTS_32BIT_KERNEL 1166 1167config CPU_VR41XX 1168 bool "R41xx" 1169 depends on SYS_HAS_CPU_VR41XX 1170 select CPU_SUPPORTS_32BIT_KERNEL 1171 select CPU_SUPPORTS_64BIT_KERNEL 1172 help 1173 The options selects support for the NEC VR4100 series of processors. 1174 Only choose this option if you have one of these processors as a 1175 kernel built with this option will not run on any other type of 1176 processor or vice versa. 1177 1178config CPU_R4300 1179 bool "R4300" 1180 depends on SYS_HAS_CPU_R4300 1181 select CPU_SUPPORTS_32BIT_KERNEL 1182 select CPU_SUPPORTS_64BIT_KERNEL 1183 help 1184 MIPS Technologies R4300-series processors. 1185 1186config CPU_R4X00 1187 bool "R4x00" 1188 depends on SYS_HAS_CPU_R4X00 1189 select CPU_SUPPORTS_32BIT_KERNEL 1190 select CPU_SUPPORTS_64BIT_KERNEL 1191 help 1192 MIPS Technologies R4000-series processors other than 4300, including 1193 the R4000, R4400, R4600, and 4700. 1194 1195config CPU_TX49XX 1196 bool "R49XX" 1197 depends on SYS_HAS_CPU_TX49XX 1198 select CPU_HAS_PREFETCH 1199 select CPU_SUPPORTS_32BIT_KERNEL 1200 select CPU_SUPPORTS_64BIT_KERNEL 1201 1202config CPU_R5000 1203 bool "R5000" 1204 depends on SYS_HAS_CPU_R5000 1205 select CPU_SUPPORTS_32BIT_KERNEL 1206 select CPU_SUPPORTS_64BIT_KERNEL 1207 help 1208 MIPS Technologies R5000-series processors other than the Nevada. 1209 1210config CPU_R5432 1211 bool "R5432" 1212 depends on SYS_HAS_CPU_R5432 1213 select CPU_SUPPORTS_32BIT_KERNEL 1214 select CPU_SUPPORTS_64BIT_KERNEL 1215 1216config CPU_R5500 1217 bool "R5500" 1218 depends on SYS_HAS_CPU_R5500 1219 select CPU_SUPPORTS_32BIT_KERNEL 1220 select CPU_SUPPORTS_64BIT_KERNEL 1221 select CPU_SUPPORTS_HUGEPAGES 1222 help 1223 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1224 instruction set. 1225 1226config CPU_R6000 1227 bool "R6000" 1228 depends on EXPERIMENTAL 1229 depends on SYS_HAS_CPU_R6000 1230 select CPU_SUPPORTS_32BIT_KERNEL 1231 help 1232 MIPS Technologies R6000 and R6000A series processors. Note these 1233 processors are extremely rare and the support for them is incomplete. 1234 1235config CPU_NEVADA 1236 bool "RM52xx" 1237 depends on SYS_HAS_CPU_NEVADA 1238 select CPU_SUPPORTS_32BIT_KERNEL 1239 select CPU_SUPPORTS_64BIT_KERNEL 1240 help 1241 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1242 1243config CPU_R8000 1244 bool "R8000" 1245 depends on EXPERIMENTAL 1246 depends on SYS_HAS_CPU_R8000 1247 select CPU_HAS_PREFETCH 1248 select CPU_SUPPORTS_64BIT_KERNEL 1249 help 1250 MIPS Technologies R8000 processors. Note these processors are 1251 uncommon and the support for them is incomplete. 1252 1253config CPU_R10000 1254 bool "R10000" 1255 depends on SYS_HAS_CPU_R10000 1256 select CPU_HAS_PREFETCH 1257 select CPU_SUPPORTS_32BIT_KERNEL 1258 select CPU_SUPPORTS_64BIT_KERNEL 1259 select CPU_SUPPORTS_HIGHMEM 1260 help 1261 MIPS Technologies R10000-series processors. 1262 1263config CPU_RM7000 1264 bool "RM7000" 1265 depends on SYS_HAS_CPU_RM7000 1266 select CPU_HAS_PREFETCH 1267 select CPU_SUPPORTS_32BIT_KERNEL 1268 select CPU_SUPPORTS_64BIT_KERNEL 1269 select CPU_SUPPORTS_HIGHMEM 1270 1271config CPU_RM9000 1272 bool "RM9000" 1273 depends on SYS_HAS_CPU_RM9000 1274 select CPU_HAS_PREFETCH 1275 select CPU_SUPPORTS_32BIT_KERNEL 1276 select CPU_SUPPORTS_64BIT_KERNEL 1277 select CPU_SUPPORTS_HIGHMEM 1278 select WEAK_ORDERING 1279 1280config CPU_SB1 1281 bool "SB1" 1282 depends on SYS_HAS_CPU_SB1 1283 select CPU_SUPPORTS_32BIT_KERNEL 1284 select CPU_SUPPORTS_64BIT_KERNEL 1285 select CPU_SUPPORTS_HIGHMEM 1286 select WEAK_ORDERING 1287 1288config CPU_CAVIUM_OCTEON 1289 bool "Cavium Octeon processor" 1290 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1291 select IRQ_CPU 1292 select IRQ_CPU_OCTEON 1293 select CPU_HAS_PREFETCH 1294 select CPU_SUPPORTS_64BIT_KERNEL 1295 select SYS_SUPPORTS_SMP 1296 select NR_CPUS_DEFAULT_16 1297 select WEAK_ORDERING 1298 select WEAK_REORDERING_BEYOND_LLSC 1299 select CPU_SUPPORTS_HIGHMEM 1300 select CPU_SUPPORTS_HUGEPAGES 1301 help 1302 The Cavium Octeon processor is a highly integrated chip containing 1303 many ethernet hardware widgets for networking tasks. The processor 1304 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1305 Full details can be found at http://www.caviumnetworks.com. 1306 1307endchoice 1308 1309config SYS_SUPPORTS_ZBOOT 1310 bool 1311 select HAVE_KERNEL_GZIP 1312 select HAVE_KERNEL_BZIP2 1313 select HAVE_KERNEL_LZMA 1314 select HAVE_KERNEL_LZO 1315 1316config SYS_SUPPORTS_ZBOOT_UART16550 1317 bool 1318 select SYS_SUPPORTS_ZBOOT 1319 1320config CPU_LOONGSON2 1321 bool 1322 select CPU_SUPPORTS_32BIT_KERNEL 1323 select CPU_SUPPORTS_64BIT_KERNEL 1324 select CPU_SUPPORTS_HIGHMEM 1325 1326config SYS_HAS_CPU_LOONGSON2E 1327 bool 1328 1329config SYS_HAS_CPU_LOONGSON2F 1330 bool 1331 select CPU_SUPPORTS_CPUFREQ 1332 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1333 select CPU_SUPPORTS_UNCACHED_ACCELERATED 1334 1335config SYS_HAS_CPU_MIPS32_R1 1336 bool 1337 1338config SYS_HAS_CPU_MIPS32_R2 1339 bool 1340 1341config SYS_HAS_CPU_MIPS64_R1 1342 bool 1343 1344config SYS_HAS_CPU_MIPS64_R2 1345 bool 1346 1347config SYS_HAS_CPU_R3000 1348 bool 1349 1350config SYS_HAS_CPU_TX39XX 1351 bool 1352 1353config SYS_HAS_CPU_VR41XX 1354 bool 1355 1356config SYS_HAS_CPU_R4300 1357 bool 1358 1359config SYS_HAS_CPU_R4X00 1360 bool 1361 1362config SYS_HAS_CPU_TX49XX 1363 bool 1364 1365config SYS_HAS_CPU_R5000 1366 bool 1367 1368config SYS_HAS_CPU_R5432 1369 bool 1370 1371config SYS_HAS_CPU_R5500 1372 bool 1373 1374config SYS_HAS_CPU_R6000 1375 bool 1376 1377config SYS_HAS_CPU_NEVADA 1378 bool 1379 1380config SYS_HAS_CPU_R8000 1381 bool 1382 1383config SYS_HAS_CPU_R10000 1384 bool 1385 1386config SYS_HAS_CPU_RM7000 1387 bool 1388 1389config SYS_HAS_CPU_RM9000 1390 bool 1391 1392config SYS_HAS_CPU_SB1 1393 bool 1394 1395config SYS_HAS_CPU_CAVIUM_OCTEON 1396 bool 1397 1398# 1399# CPU may reorder R->R, R->W, W->R, W->W 1400# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1401# 1402config WEAK_ORDERING 1403 bool 1404 1405# 1406# CPU may reorder reads and writes beyond LL/SC 1407# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1408# 1409config WEAK_REORDERING_BEYOND_LLSC 1410 bool 1411endmenu 1412 1413# 1414# These two indicate any level of the MIPS32 and MIPS64 architecture 1415# 1416config CPU_MIPS32 1417 bool 1418 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1419 1420config CPU_MIPS64 1421 bool 1422 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1423 1424# 1425# These two indicate the revision of the architecture, either Release 1 or Release 2 1426# 1427config CPU_MIPSR1 1428 bool 1429 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1430 1431config CPU_MIPSR2 1432 bool 1433 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1434 1435config SYS_SUPPORTS_32BIT_KERNEL 1436 bool 1437config SYS_SUPPORTS_64BIT_KERNEL 1438 bool 1439config CPU_SUPPORTS_32BIT_KERNEL 1440 bool 1441config CPU_SUPPORTS_64BIT_KERNEL 1442 bool 1443config CPU_SUPPORTS_CPUFREQ 1444 bool 1445config CPU_SUPPORTS_ADDRWINCFG 1446 bool 1447config CPU_SUPPORTS_HUGEPAGES 1448 bool 1449config CPU_SUPPORTS_UNCACHED_ACCELERATED 1450 bool 1451config MIPS_PGD_C0_CONTEXT 1452 bool 1453 default y if 64BIT && CPU_MIPSR2 1454 1455# 1456# Set to y for ptrace access to watch registers. 1457# 1458config HARDWARE_WATCHPOINTS 1459 bool 1460 default y if CPU_MIPSR1 || CPU_MIPSR2 1461 1462menu "Kernel type" 1463 1464choice 1465 1466 prompt "Kernel code model" 1467 help 1468 You should only select this option if you have a workload that 1469 actually benefits from 64-bit processing or if your machine has 1470 large memory. You will only be presented a single option in this 1471 menu if your system does not support both 32-bit and 64-bit kernels. 1472 1473config 32BIT 1474 bool "32-bit kernel" 1475 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1476 select TRAD_SIGNALS 1477 help 1478 Select this option if you want to build a 32-bit kernel. 1479config 64BIT 1480 bool "64-bit kernel" 1481 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1482 select HAVE_SYSCALL_WRAPPERS 1483 help 1484 Select this option if you want to build a 64-bit kernel. 1485 1486endchoice 1487 1488choice 1489 prompt "Kernel page size" 1490 default PAGE_SIZE_4KB 1491 1492config PAGE_SIZE_4KB 1493 bool "4kB" 1494 depends on !CPU_LOONGSON2 1495 help 1496 This option select the standard 4kB Linux page size. On some 1497 R3000-family processors this is the only available page size. Using 1498 4kB page size will minimize memory consumption and is therefore 1499 recommended for low memory systems. 1500 1501config PAGE_SIZE_8KB 1502 bool "8kB" 1503 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 1504 help 1505 Using 8kB page size will result in higher performance kernel at 1506 the price of higher memory consumption. This option is available 1507 only on R8000 and cnMIPS processors. Note that you will need a 1508 suitable Linux distribution to support this. 1509 1510config PAGE_SIZE_16KB 1511 bool "16kB" 1512 depends on !CPU_R3000 && !CPU_TX39XX 1513 help 1514 Using 16kB page size will result in higher performance kernel at 1515 the price of higher memory consumption. This option is available on 1516 all non-R3000 family processors. Note that you will need a suitable 1517 Linux distribution to support this. 1518 1519config PAGE_SIZE_32KB 1520 bool "32kB" 1521 depends on CPU_CAVIUM_OCTEON 1522 help 1523 Using 32kB page size will result in higher performance kernel at 1524 the price of higher memory consumption. This option is available 1525 only on cnMIPS cores. Note that you will need a suitable Linux 1526 distribution to support this. 1527 1528config PAGE_SIZE_64KB 1529 bool "64kB" 1530 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1531 help 1532 Using 64kB page size will result in higher performance kernel at 1533 the price of higher memory consumption. This option is available on 1534 all non-R3000 family processor. Not that at the time of this 1535 writing this option is still high experimental. 1536 1537endchoice 1538 1539config BOARD_SCACHE 1540 bool 1541 1542config IP22_CPU_SCACHE 1543 bool 1544 select BOARD_SCACHE 1545 1546# 1547# Support for a MIPS32 / MIPS64 style S-caches 1548# 1549config MIPS_CPU_SCACHE 1550 bool 1551 select BOARD_SCACHE 1552 1553config R5000_CPU_SCACHE 1554 bool 1555 select BOARD_SCACHE 1556 1557config RM7000_CPU_SCACHE 1558 bool 1559 select BOARD_SCACHE 1560 1561config SIBYTE_DMA_PAGEOPS 1562 bool "Use DMA to clear/copy pages" 1563 depends on CPU_SB1 1564 help 1565 Instead of using the CPU to zero and copy pages, use a Data Mover 1566 channel. These DMA channels are otherwise unused by the standard 1567 SiByte Linux port. Seems to give a small performance benefit. 1568 1569config CPU_HAS_PREFETCH 1570 bool 1571 1572choice 1573 prompt "MIPS MT options" 1574 1575config MIPS_MT_DISABLED 1576 bool "Disable multithreading support." 1577 help 1578 Use this option if your workload can't take advantage of 1579 MIPS hardware multithreading support. On systems that don't have 1580 the option of an MT-enabled processor this option will be the only 1581 option in this menu. 1582 1583config MIPS_MT_SMP 1584 bool "Use 1 TC on each available VPE for SMP" 1585 depends on SYS_SUPPORTS_MULTITHREADING 1586 select CPU_MIPSR2_IRQ_VI 1587 select CPU_MIPSR2_IRQ_EI 1588 select MIPS_MT 1589 select NR_CPUS_DEFAULT_2 1590 select SMP 1591 select SYS_SUPPORTS_SCHED_SMT if SMP 1592 select SYS_SUPPORTS_SMP 1593 select SMP_UP 1594 help 1595 This is a kernel model which is also known a VSMP or lately 1596 has been marketesed into SMVP. 1597 1598config MIPS_MT_SMTC 1599 bool "SMTC: Use all TCs on all VPEs for SMP" 1600 depends on CPU_MIPS32_R2 1601 #depends on CPU_MIPS64_R2 # once there is hardware ... 1602 depends on SYS_SUPPORTS_MULTITHREADING 1603 select CPU_MIPSR2_IRQ_VI 1604 select CPU_MIPSR2_IRQ_EI 1605 select MIPS_MT 1606 select NR_CPUS_DEFAULT_8 1607 select SMP 1608 select SYS_SUPPORTS_SMP 1609 select SMP_UP 1610 help 1611 This is a kernel model which is known a SMTC or lately has been 1612 marketesed into SMVP. 1613 1614endchoice 1615 1616config MIPS_MT 1617 bool 1618 1619config SCHED_SMT 1620 bool "SMT (multithreading) scheduler support" 1621 depends on SYS_SUPPORTS_SCHED_SMT 1622 default n 1623 help 1624 SMT scheduler support improves the CPU scheduler's decision making 1625 when dealing with MIPS MT enabled cores at a cost of slightly 1626 increased overhead in some places. If unsure say N here. 1627 1628config SYS_SUPPORTS_SCHED_SMT 1629 bool 1630 1631 1632config SYS_SUPPORTS_MULTITHREADING 1633 bool 1634 1635config MIPS_MT_FPAFF 1636 bool "Dynamic FPU affinity for FP-intensive threads" 1637 default y 1638 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1639 1640config MIPS_VPE_LOADER 1641 bool "VPE loader support." 1642 depends on SYS_SUPPORTS_MULTITHREADING 1643 select CPU_MIPSR2_IRQ_VI 1644 select CPU_MIPSR2_IRQ_EI 1645 select MIPS_MT 1646 help 1647 Includes a loader for loading an elf relocatable object 1648 onto another VPE and running it. 1649 1650config MIPS_MT_SMTC_IM_BACKSTOP 1651 bool "Use per-TC register bits as backstop for inhibited IM bits" 1652 depends on MIPS_MT_SMTC 1653 default n 1654 help 1655 To support multiple TC microthreads acting as "CPUs" within 1656 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1657 during interrupt handling. To support legacy drivers and interrupt 1658 controller management code, SMTC has a "backstop" to track and 1659 if necessary restore the interrupt mask. This has some performance 1660 impact on interrupt service overhead. 1661 1662config MIPS_MT_SMTC_IRQAFF 1663 bool "Support IRQ affinity API" 1664 depends on MIPS_MT_SMTC 1665 default n 1666 help 1667 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1668 for SMTC Linux kernel. Requires platform support, of which 1669 an example can be found in the MIPS kernel i8259 and Malta 1670 platform code. Adds some overhead to interrupt dispatch, and 1671 should be used only if you know what you are doing. 1672 1673config MIPS_VPE_LOADER_TOM 1674 bool "Load VPE program into memory hidden from linux" 1675 depends on MIPS_VPE_LOADER 1676 default y 1677 help 1678 The loader can use memory that is present but has been hidden from 1679 Linux using the kernel command line option "mem=xxMB". It's up to 1680 you to ensure the amount you put in the option and the space your 1681 program requires is less or equal to the amount physically present. 1682 1683# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1684config MIPS_VPE_APSP_API 1685 bool "Enable support for AP/SP API (RTLX)" 1686 depends on MIPS_VPE_LOADER 1687 help 1688 1689config MIPS_APSP_KSPD 1690 bool "Enable KSPD" 1691 depends on MIPS_VPE_APSP_API 1692 default y 1693 help 1694 KSPD is a kernel daemon that accepts syscall requests from the SP 1695 side, actions them and returns the results. It also handles the 1696 "exit" syscall notifying other kernel modules the SP program is 1697 exiting. You probably want to say yes here. 1698 1699config MIPS_CMP 1700 bool "MIPS CMP framework support" 1701 depends on SYS_SUPPORTS_MIPS_CMP 1702 select SYNC_R4K 1703 select SYS_SUPPORTS_SMP 1704 select SYS_SUPPORTS_SCHED_SMT if SMP 1705 select WEAK_ORDERING 1706 default n 1707 help 1708 This is a placeholder option for the GCMP work. It will need to 1709 be handled differently... 1710 1711config SB1_PASS_1_WORKAROUNDS 1712 bool 1713 depends on CPU_SB1_PASS_1 1714 default y 1715 1716config SB1_PASS_2_WORKAROUNDS 1717 bool 1718 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1719 default y 1720 1721config SB1_PASS_2_1_WORKAROUNDS 1722 bool 1723 depends on CPU_SB1 && CPU_SB1_PASS_2 1724 default y 1725 1726config 64BIT_PHYS_ADDR 1727 bool 1728 1729config CPU_HAS_SMARTMIPS 1730 depends on SYS_SUPPORTS_SMARTMIPS 1731 bool "Support for the SmartMIPS ASE" 1732 help 1733 SmartMIPS is a extension of the MIPS32 architecture aimed at 1734 increased security at both hardware and software level for 1735 smartcards. Enabling this option will allow proper use of the 1736 SmartMIPS instructions by Linux applications. However a kernel with 1737 this option will not work on a MIPS core without SmartMIPS core. If 1738 you don't know you probably don't have SmartMIPS and should say N 1739 here. 1740 1741config CPU_HAS_WB 1742 bool 1743 1744# 1745# Vectored interrupt mode is an R2 feature 1746# 1747config CPU_MIPSR2_IRQ_VI 1748 bool 1749 1750# 1751# Extended interrupt mode is an R2 feature 1752# 1753config CPU_MIPSR2_IRQ_EI 1754 bool 1755 1756config CPU_HAS_SYNC 1757 bool 1758 depends on !CPU_R3000 1759 default y 1760 1761config GENERIC_CLOCKEVENTS_BROADCAST 1762 bool 1763 1764# 1765# CPU non-features 1766# 1767config CPU_DADDI_WORKAROUNDS 1768 bool 1769 1770config CPU_R4000_WORKAROUNDS 1771 bool 1772 select CPU_R4400_WORKAROUNDS 1773 1774config CPU_R4400_WORKAROUNDS 1775 bool 1776 1777# 1778# Use the generic interrupt handling code in kernel/irq/: 1779# 1780config GENERIC_HARDIRQS 1781 bool 1782 default y 1783 1784config GENERIC_IRQ_PROBE 1785 bool 1786 default y 1787 1788config IRQ_PER_CPU 1789 bool 1790 1791# 1792# - Highmem only makes sense for the 32-bit kernel. 1793# - The current highmem code will only work properly on physically indexed 1794# caches such as R3000, SB1, R7000 or those that look like they're virtually 1795# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1796# moment we protect the user and offer the highmem option only on machines 1797# where it's known to be safe. This will not offer highmem on a few systems 1798# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1799# indexed CPUs but we're playing safe. 1800# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1801# know they might have memory configurations that could make use of highmem 1802# support. 1803# 1804config HIGHMEM 1805 bool "High Memory Support" 1806 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1807 1808config CPU_SUPPORTS_HIGHMEM 1809 bool 1810 1811config SYS_SUPPORTS_HIGHMEM 1812 bool 1813 1814config SYS_SUPPORTS_SMARTMIPS 1815 bool 1816 1817config ARCH_FLATMEM_ENABLE 1818 def_bool y 1819 depends on !NUMA && !CPU_LOONGSON2 1820 1821config ARCH_DISCONTIGMEM_ENABLE 1822 bool 1823 default y if SGI_IP27 1824 help 1825 Say Y to support efficient handling of discontiguous physical memory, 1826 for architectures which are either NUMA (Non-Uniform Memory Access) 1827 or have huge holes in the physical address space for other reasons. 1828 See <file:Documentation/vm/numa> for more. 1829 1830config ARCH_POPULATES_NODE_MAP 1831 def_bool y 1832 1833config ARCH_SPARSEMEM_ENABLE 1834 bool 1835 select SPARSEMEM_STATIC 1836 1837config NUMA 1838 bool "NUMA Support" 1839 depends on SYS_SUPPORTS_NUMA 1840 help 1841 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1842 Access). This option improves performance on systems with more 1843 than two nodes; on two node systems it is generally better to 1844 leave it disabled; on single node systems disable this option 1845 disabled. 1846 1847config SYS_SUPPORTS_NUMA 1848 bool 1849 1850config NODES_SHIFT 1851 int 1852 default "6" 1853 depends on NEED_MULTIPLE_NODES 1854 1855source "mm/Kconfig" 1856 1857config SMP 1858 bool "Multi-Processing support" 1859 depends on SYS_SUPPORTS_SMP 1860 select IRQ_PER_CPU 1861 select USE_GENERIC_SMP_HELPERS 1862 help 1863 This enables support for systems with more than one CPU. If you have 1864 a system with only one CPU, like most personal computers, say N. If 1865 you have a system with more than one CPU, say Y. 1866 1867 If you say N here, the kernel will run on single and multiprocessor 1868 machines, but will use only one CPU of a multiprocessor machine. If 1869 you say Y here, the kernel will run on many, but not all, 1870 singleprocessor machines. On a singleprocessor machine, the kernel 1871 will run faster if you say N here. 1872 1873 People using multiprocessor machines who say Y here should also say 1874 Y to "Enhanced Real Time Clock Support", below. 1875 1876 See also the SMP-HOWTO available at 1877 <http://www.tldp.org/docs.html#howto>. 1878 1879 If you don't know what to do here, say N. 1880 1881config SMP_UP 1882 bool 1883 1884config SYS_SUPPORTS_MIPS_CMP 1885 bool 1886 1887config SYS_SUPPORTS_SMP 1888 bool 1889 1890config NR_CPUS_DEFAULT_1 1891 bool 1892 1893config NR_CPUS_DEFAULT_2 1894 bool 1895 1896config NR_CPUS_DEFAULT_4 1897 bool 1898 1899config NR_CPUS_DEFAULT_8 1900 bool 1901 1902config NR_CPUS_DEFAULT_16 1903 bool 1904 1905config NR_CPUS_DEFAULT_32 1906 bool 1907 1908config NR_CPUS_DEFAULT_64 1909 bool 1910 1911config NR_CPUS 1912 int "Maximum number of CPUs (2-64)" 1913 range 1 64 if NR_CPUS_DEFAULT_1 1914 depends on SMP 1915 default "1" if NR_CPUS_DEFAULT_1 1916 default "2" if NR_CPUS_DEFAULT_2 1917 default "4" if NR_CPUS_DEFAULT_4 1918 default "8" if NR_CPUS_DEFAULT_8 1919 default "16" if NR_CPUS_DEFAULT_16 1920 default "32" if NR_CPUS_DEFAULT_32 1921 default "64" if NR_CPUS_DEFAULT_64 1922 help 1923 This allows you to specify the maximum number of CPUs which this 1924 kernel will support. The maximum supported value is 32 for 32-bit 1925 kernel and 64 for 64-bit kernels; the minimum value which makes 1926 sense is 1 for Qemu (useful only for kernel debugging purposes) 1927 and 2 for all others. 1928 1929 This is purely to save memory - each supported CPU adds 1930 approximately eight kilobytes to the kernel image. For best 1931 performance should round up your number of processors to the next 1932 power of two. 1933 1934source "kernel/time/Kconfig" 1935 1936# 1937# Timer Interrupt Frequency Configuration 1938# 1939 1940choice 1941 prompt "Timer frequency" 1942 default HZ_250 1943 help 1944 Allows the configuration of the timer frequency. 1945 1946 config HZ_48 1947 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1948 1949 config HZ_100 1950 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1951 1952 config HZ_128 1953 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1954 1955 config HZ_250 1956 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1957 1958 config HZ_256 1959 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1960 1961 config HZ_1000 1962 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1963 1964 config HZ_1024 1965 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1966 1967endchoice 1968 1969config SYS_SUPPORTS_48HZ 1970 bool 1971 1972config SYS_SUPPORTS_100HZ 1973 bool 1974 1975config SYS_SUPPORTS_128HZ 1976 bool 1977 1978config SYS_SUPPORTS_250HZ 1979 bool 1980 1981config SYS_SUPPORTS_256HZ 1982 bool 1983 1984config SYS_SUPPORTS_1000HZ 1985 bool 1986 1987config SYS_SUPPORTS_1024HZ 1988 bool 1989 1990config SYS_SUPPORTS_ARBIT_HZ 1991 bool 1992 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1993 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1994 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1995 !SYS_SUPPORTS_1024HZ 1996 1997config HZ 1998 int 1999 default 48 if HZ_48 2000 default 100 if HZ_100 2001 default 128 if HZ_128 2002 default 250 if HZ_250 2003 default 256 if HZ_256 2004 default 1000 if HZ_1000 2005 default 1024 if HZ_1024 2006 2007source "kernel/Kconfig.preempt" 2008 2009config MIPS_INSANE_LARGE 2010 bool "Support for large 64-bit configurations" 2011 depends on CPU_R10000 && 64BIT 2012 help 2013 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 2014 previous 64-bit processors which only supported 40 bit / 1TB. If you 2015 need processes of more than 1TB virtual address space, say Y here. 2016 This will result in additional memory usage, so it is not 2017 recommended for normal users. 2018 2019config KEXEC 2020 bool "Kexec system call (EXPERIMENTAL)" 2021 depends on EXPERIMENTAL 2022 help 2023 kexec is a system call that implements the ability to shutdown your 2024 current kernel, and to start another kernel. It is like a reboot 2025 but it is independent of the system firmware. And like a reboot 2026 you can start any kernel with it, not just Linux. 2027 2028 The name comes from the similarity to the exec system call. 2029 2030 It is an ongoing process to be certain the hardware in a machine 2031 is properly shutdown, so do not be surprised if this code does not 2032 initially work for you. It may help to enable device hotplugging 2033 support. As of this writing the exact hardware interface is 2034 strongly in flux, so no good recommendation can be made. 2035 2036config SECCOMP 2037 bool "Enable seccomp to safely compute untrusted bytecode" 2038 depends on PROC_FS 2039 default y 2040 help 2041 This kernel feature is useful for number crunching applications 2042 that may need to compute untrusted bytecode during their 2043 execution. By using pipes or other transports made available to 2044 the process as file descriptors supporting the read/write 2045 syscalls, it's possible to isolate those applications in 2046 their own address space using seccomp. Once seccomp is 2047 enabled via /proc/<pid>/seccomp, it cannot be disabled 2048 and the task is only allowed to execute a few safe syscalls 2049 defined by each seccomp mode. 2050 2051 If unsure, say Y. Only embedded should say N here. 2052 2053endmenu 2054 2055config LOCKDEP_SUPPORT 2056 bool 2057 default y 2058 2059config STACKTRACE_SUPPORT 2060 bool 2061 default y 2062 2063source "init/Kconfig" 2064 2065source "kernel/Kconfig.freezer" 2066 2067menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2068 2069config HW_HAS_EISA 2070 bool 2071config HW_HAS_PCI 2072 bool 2073 2074config PCI 2075 bool "Support for PCI controller" 2076 depends on HW_HAS_PCI 2077 select PCI_DOMAINS 2078 help 2079 Find out whether you have a PCI motherboard. PCI is the name of a 2080 bus system, i.e. the way the CPU talks to the other stuff inside 2081 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2082 say Y, otherwise N. 2083 2084config PCI_DOMAINS 2085 bool 2086 2087source "drivers/pci/Kconfig" 2088 2089# 2090# ISA support is now enabled via select. Too many systems still have the one 2091# or other ISA chip on the board that users don't know about so don't expect 2092# users to choose the right thing ... 2093# 2094config ISA 2095 bool 2096 2097config EISA 2098 bool "EISA support" 2099 depends on HW_HAS_EISA 2100 select ISA 2101 select GENERIC_ISA_DMA 2102 ---help--- 2103 The Extended Industry Standard Architecture (EISA) bus was 2104 developed as an open alternative to the IBM MicroChannel bus. 2105 2106 The EISA bus provided some of the features of the IBM MicroChannel 2107 bus while maintaining backward compatibility with cards made for 2108 the older ISA bus. The EISA bus saw limited use between 1988 and 2109 1995 when it was made obsolete by the PCI bus. 2110 2111 Say Y here if you are building a kernel for an EISA-based machine. 2112 2113 Otherwise, say N. 2114 2115source "drivers/eisa/Kconfig" 2116 2117config TC 2118 bool "TURBOchannel support" 2119 depends on MACH_DECSTATION 2120 help 2121 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2122 processors. Documentation on writing device drivers for TurboChannel 2123 is available at: 2124 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2125 2126#config ACCESSBUS 2127# bool "Access.Bus support" 2128# depends on TC 2129 2130config MMU 2131 bool 2132 default y 2133 2134config I8253 2135 bool 2136 select MIPS_EXTERNAL_TIMER 2137 2138config ZONE_DMA32 2139 bool 2140 2141source "drivers/pcmcia/Kconfig" 2142 2143source "drivers/pci/hotplug/Kconfig" 2144 2145endmenu 2146 2147menu "Executable file formats" 2148 2149source "fs/Kconfig.binfmt" 2150 2151config TRAD_SIGNALS 2152 bool 2153 2154config MIPS32_COMPAT 2155 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2156 depends on 64BIT 2157 help 2158 Select this option if you want Linux/MIPS 32-bit binary 2159 compatibility. Since all software available for Linux/MIPS is 2160 currently 32-bit you should say Y here. 2161 2162config COMPAT 2163 bool 2164 depends on MIPS32_COMPAT 2165 default y 2166 2167config SYSVIPC_COMPAT 2168 bool 2169 depends on COMPAT && SYSVIPC 2170 default y 2171 2172config MIPS32_O32 2173 bool "Kernel support for o32 binaries" 2174 depends on MIPS32_COMPAT 2175 help 2176 Select this option if you want to run o32 binaries. These are pure 2177 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2178 existing binaries are in this format. 2179 2180 If unsure, say Y. 2181 2182config MIPS32_N32 2183 bool "Kernel support for n32 binaries" 2184 depends on MIPS32_COMPAT 2185 help 2186 Select this option if you want to run n32 binaries. These are 2187 64-bit binaries using 32-bit quantities for addressing and certain 2188 data that would normally be 64-bit. They are used in special 2189 cases. 2190 2191 If unsure, say N. 2192 2193config BINFMT_ELF32 2194 bool 2195 default y if MIPS32_O32 || MIPS32_N32 2196 2197endmenu 2198 2199menu "Power management options" 2200 2201config ARCH_HIBERNATION_POSSIBLE 2202 def_bool y 2203 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2204 2205config ARCH_SUSPEND_POSSIBLE 2206 def_bool y 2207 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2208 2209source "kernel/power/Kconfig" 2210 2211endmenu 2212 2213source "arch/mips/kernel/cpufreq/Kconfig" 2214 2215source "net/Kconfig" 2216 2217source "drivers/Kconfig" 2218 2219source "fs/Kconfig" 2220 2221source "arch/mips/Kconfig.debug" 2222 2223source "security/Kconfig" 2224 2225source "crypto/Kconfig" 2226 2227source "lib/Kconfig" 2228