1config MIPS 2 bool 3 default y 4 # Horrible source of confusion. Die, die, die ... 5 select EMBEDDED 6 7mainmenu "Linux/MIPS Kernel Configuration" 8 9menu "Machine selection" 10 11config ZONE_DMA 12 bool 13 default y 14 15choice 16 prompt "System type" 17 default SGI_IP22 18 19config MIPS_MTX1 20 bool "4G Systems MTX-1 board" 21 select DMA_NONCOHERENT 22 select HW_HAS_PCI 23 select RESOURCES_64BIT if PCI 24 select SOC_AU1500 25 select SYS_HAS_CPU_MIPS32_R1 26 select SYS_SUPPORTS_LITTLE_ENDIAN 27 28config MIPS_BOSPORUS 29 bool "AMD Alchemy Bosporus board" 30 select SOC_AU1500 31 select DMA_NONCOHERENT 32 select SYS_HAS_CPU_MIPS32_R1 33 select SYS_SUPPORTS_LITTLE_ENDIAN 34 35config MIPS_PB1000 36 bool "AMD Alchemy PB1000 board" 37 select SOC_AU1000 38 select DMA_NONCOHERENT 39 select HW_HAS_PCI 40 select RESOURCES_64BIT if PCI 41 select SWAP_IO_SPACE 42 select SYS_HAS_CPU_MIPS32_R1 43 select SYS_SUPPORTS_LITTLE_ENDIAN 44 45config MIPS_PB1100 46 bool "AMD Alchemy PB1100 board" 47 select SOC_AU1100 48 select DMA_NONCOHERENT 49 select HW_HAS_PCI 50 select RESOURCES_64BIT if PCI 51 select SWAP_IO_SPACE 52 select SYS_HAS_CPU_MIPS32_R1 53 select SYS_SUPPORTS_LITTLE_ENDIAN 54 55config MIPS_PB1500 56 bool "AMD Alchemy PB1500 board" 57 select SOC_AU1500 58 select DMA_NONCOHERENT 59 select HW_HAS_PCI 60 select RESOURCES_64BIT if PCI 61 select SYS_HAS_CPU_MIPS32_R1 62 select SYS_SUPPORTS_LITTLE_ENDIAN 63 64config MIPS_PB1550 65 bool "AMD Alchemy PB1550 board" 66 select SOC_AU1550 67 select DMA_NONCOHERENT 68 select HW_HAS_PCI 69 select MIPS_DISABLE_OBSOLETE_IDE 70 select RESOURCES_64BIT if PCI 71 select SYS_HAS_CPU_MIPS32_R1 72 select SYS_SUPPORTS_LITTLE_ENDIAN 73 74config MIPS_PB1200 75 bool "AMD Alchemy PB1200 board" 76 select SOC_AU1200 77 select DMA_NONCOHERENT 78 select MIPS_DISABLE_OBSOLETE_IDE 79 select RESOURCES_64BIT if PCI 80 select SYS_HAS_CPU_MIPS32_R1 81 select SYS_SUPPORTS_LITTLE_ENDIAN 82 83config MIPS_DB1000 84 bool "AMD Alchemy DB1000 board" 85 select SOC_AU1000 86 select DMA_NONCOHERENT 87 select HW_HAS_PCI 88 select RESOURCES_64BIT if PCI 89 select SYS_HAS_CPU_MIPS32_R1 90 select SYS_SUPPORTS_LITTLE_ENDIAN 91 92config MIPS_DB1100 93 bool "AMD Alchemy DB1100 board" 94 select SOC_AU1100 95 select DMA_NONCOHERENT 96 select SYS_HAS_CPU_MIPS32_R1 97 select SYS_SUPPORTS_LITTLE_ENDIAN 98 99config MIPS_DB1500 100 bool "AMD Alchemy DB1500 board" 101 select SOC_AU1500 102 select DMA_NONCOHERENT 103 select HW_HAS_PCI 104 select MIPS_DISABLE_OBSOLETE_IDE 105 select RESOURCES_64BIT if PCI 106 select SYS_HAS_CPU_MIPS32_R1 107 select SYS_SUPPORTS_BIG_ENDIAN 108 select SYS_SUPPORTS_LITTLE_ENDIAN 109 110config MIPS_DB1550 111 bool "AMD Alchemy DB1550 board" 112 select SOC_AU1550 113 select HW_HAS_PCI 114 select DMA_NONCOHERENT 115 select MIPS_DISABLE_OBSOLETE_IDE 116 select RESOURCES_64BIT if PCI 117 select SYS_HAS_CPU_MIPS32_R1 118 select SYS_SUPPORTS_LITTLE_ENDIAN 119 120config MIPS_DB1200 121 bool "AMD Alchemy DB1200 board" 122 select SOC_AU1200 123 select DMA_COHERENT 124 select MIPS_DISABLE_OBSOLETE_IDE 125 select SYS_HAS_CPU_MIPS32_R1 126 select SYS_SUPPORTS_LITTLE_ENDIAN 127 128config MIPS_MIRAGE 129 bool "AMD Alchemy Mirage board" 130 select DMA_NONCOHERENT 131 select SOC_AU1500 132 select SYS_HAS_CPU_MIPS32_R1 133 select SYS_SUPPORTS_LITTLE_ENDIAN 134 135config BASLER_EXCITE 136 bool "Basler eXcite smart camera" 137 select DMA_COHERENT 138 select HW_HAS_PCI 139 select IRQ_CPU 140 select IRQ_CPU_RM7K 141 select IRQ_CPU_RM9K 142 select MIPS_RM9122 143 select SYS_HAS_CPU_RM9000 144 select SYS_SUPPORTS_32BIT_KERNEL 145 select SYS_SUPPORTS_64BIT_KERNEL 146 select SYS_SUPPORTS_BIG_ENDIAN 147 select SYS_SUPPORTS_KGDB 148 help 149 The eXcite is a smart camera platform manufactured by 150 Basler Vision Technologies AG. 151 152config BASLER_EXCITE_PROTOTYPE 153 bool "Support for pre-release units" 154 depends on BASLER_EXCITE 155 default n 156 help 157 Pre-series (prototype) units are different from later ones in 158 some ways. Select this option if you have one of these. Please 159 note that a kernel built with this option selected will not be 160 able to run on normal units. 161 162config MIPS_COBALT 163 bool "Cobalt Server" 164 select DMA_NONCOHERENT 165 select HW_HAS_PCI 166 select I8259 167 select IRQ_CPU 168 select MIPS_GT64111 169 select SYS_HAS_CPU_NEVADA 170 select SYS_HAS_EARLY_PRINTK 171 select SYS_SUPPORTS_32BIT_KERNEL 172 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 173 select SYS_SUPPORTS_LITTLE_ENDIAN 174 select GENERIC_HARDIRQS_NO__DO_IRQ 175 176config MACH_DECSTATION 177 bool "DECstations" 178 select BOOT_ELF32 179 select DMA_NONCOHERENT 180 select SYS_HAS_EARLY_PRINTK 181 select IRQ_CPU 182 select SYS_HAS_CPU_R3000 183 select SYS_HAS_CPU_R4X00 184 select SYS_SUPPORTS_32BIT_KERNEL 185 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 186 select SYS_SUPPORTS_LITTLE_ENDIAN 187 select SYS_SUPPORTS_128HZ 188 select SYS_SUPPORTS_256HZ 189 select SYS_SUPPORTS_1024HZ 190 help 191 This enables support for DEC's MIPS based workstations. For details 192 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 193 DECstation porting pages on <http://decstation.unix-ag.org/>. 194 195 If you have one of the following DECstation Models you definitely 196 want to choose R4xx0 for the CPU Type: 197 198 DECstation 5000/50 199 DECstation 5000/150 200 DECstation 5000/260 201 DECsystem 5900/260 202 203 otherwise choose R3000. 204 205config MIPS_EV64120 206 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)" 207 depends on EXPERIMENTAL 208 select DMA_NONCOHERENT 209 select HW_HAS_PCI 210 select MIPS_GT64120 211 select SYS_HAS_CPU_R5000 212 select SYS_SUPPORTS_32BIT_KERNEL 213 select SYS_SUPPORTS_64BIT_KERNEL 214 select SYS_SUPPORTS_BIG_ENDIAN 215 select SYS_SUPPORTS_KGDB 216 help 217 This is an evaluation board based on the Galileo GT-64120 218 single-chip system controller that contains a MIPS R5000 compatible 219 core running at 75/100MHz. Their website is located at 220 <http://www.marvell.com/>. Say Y here if you wish to build a 221 kernel for this platform. 222 223config MACH_JAZZ 224 bool "Jazz family of machines" 225 select ARC 226 select ARC32 227 select ARCH_MAY_HAVE_PC_FDC 228 select GENERIC_ISA_DMA 229 select I8253 230 select I8259 231 select ISA 232 select SYS_HAS_CPU_R4X00 233 select SYS_SUPPORTS_32BIT_KERNEL 234 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 235 select SYS_SUPPORTS_100HZ 236 select GENERIC_HARDIRQS_NO__DO_IRQ 237 help 238 This a family of machines based on the MIPS R4030 chipset which was 239 used by several vendors to build RISC/os and Windows NT workstations. 240 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 241 Olivetti M700-10 workstations. 242 243config LASAT 244 bool "LASAT Networks platforms" 245 select DMA_NONCOHERENT 246 select SYS_HAS_EARLY_PRINTK 247 select HW_HAS_PCI 248 select MIPS_GT64120 249 select MIPS_NILE4 250 select R5000_CPU_SCACHE 251 select SYS_HAS_CPU_R5000 252 select SYS_SUPPORTS_32BIT_KERNEL 253 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 254 select SYS_SUPPORTS_LITTLE_ENDIAN 255 select GENERIC_HARDIRQS_NO__DO_IRQ 256 257config MIPS_ATLAS 258 bool "MIPS Atlas board" 259 select BOOT_ELF32 260 select DMA_NONCOHERENT 261 select SYS_HAS_EARLY_PRINTK 262 select IRQ_CPU 263 select HW_HAS_PCI 264 select MIPS_BOARDS_GEN 265 select MIPS_BONITO64 266 select MIPS_GT64120 267 select MIPS_MSC 268 select RM7000_CPU_SCACHE 269 select SWAP_IO_SPACE 270 select SYS_HAS_CPU_MIPS32_R1 271 select SYS_HAS_CPU_MIPS32_R2 272 select SYS_HAS_CPU_MIPS64_R1 273 select SYS_HAS_CPU_NEVADA 274 select SYS_HAS_CPU_RM7000 275 select SYS_SUPPORTS_32BIT_KERNEL 276 select SYS_SUPPORTS_64BIT_KERNEL 277 select SYS_SUPPORTS_BIG_ENDIAN 278 select SYS_SUPPORTS_LITTLE_ENDIAN 279 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 280 select SYS_SUPPORTS_SMARTMIPS 281 select GENERIC_HARDIRQS_NO__DO_IRQ 282 help 283 This enables support for the MIPS Technologies Atlas evaluation 284 board. 285 286config MIPS_MALTA 287 bool "MIPS Malta board" 288 select ARCH_MAY_HAVE_PC_FDC 289 select BOOT_ELF32 290 select HAVE_STD_PC_SERIAL_PORT 291 select DMA_NONCOHERENT 292 select GENERIC_ISA_DMA 293 select IRQ_CPU 294 select HW_HAS_PCI 295 select I8259 296 select MIPS_BOARDS_GEN 297 select MIPS_BONITO64 298 select MIPS_CPU_SCACHE 299 select MIPS_GT64120 300 select MIPS_MSC 301 select SWAP_IO_SPACE 302 select SYS_HAS_CPU_MIPS32_R1 303 select SYS_HAS_CPU_MIPS32_R2 304 select SYS_HAS_CPU_MIPS64_R1 305 select SYS_HAS_CPU_NEVADA 306 select SYS_HAS_CPU_RM7000 307 select SYS_HAS_EARLY_PRINTK 308 select SYS_SUPPORTS_32BIT_KERNEL 309 select SYS_SUPPORTS_64BIT_KERNEL 310 select SYS_SUPPORTS_BIG_ENDIAN 311 select SYS_SUPPORTS_LITTLE_ENDIAN 312 select SYS_SUPPORTS_MULTITHREADING 313 select SYS_SUPPORTS_SMARTMIPS 314 help 315 This enables support for the MIPS Technologies Malta evaluation 316 board. 317 318config MIPS_SEAD 319 bool "MIPS SEAD board (EXPERIMENTAL)" 320 depends on EXPERIMENTAL 321 select IRQ_CPU 322 select DMA_NONCOHERENT 323 select SYS_HAS_EARLY_PRINTK 324 select MIPS_BOARDS_GEN 325 select SYS_HAS_CPU_MIPS32_R1 326 select SYS_HAS_CPU_MIPS32_R2 327 select SYS_HAS_CPU_MIPS64_R1 328 select SYS_SUPPORTS_32BIT_KERNEL 329 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 330 select SYS_SUPPORTS_BIG_ENDIAN 331 select SYS_SUPPORTS_LITTLE_ENDIAN 332 select SYS_SUPPORTS_SMARTMIPS 333 help 334 This enables support for the MIPS Technologies SEAD evaluation 335 board. 336 337config WR_PPMC 338 bool "Wind River PPMC board" 339 select IRQ_CPU 340 select BOOT_ELF32 341 select DMA_NONCOHERENT 342 select HW_HAS_PCI 343 select MIPS_GT64120 344 select SWAP_IO_SPACE 345 select SYS_HAS_CPU_MIPS32_R1 346 select SYS_HAS_CPU_MIPS32_R2 347 select SYS_HAS_CPU_MIPS64_R1 348 select SYS_HAS_CPU_NEVADA 349 select SYS_HAS_CPU_RM7000 350 select SYS_SUPPORTS_32BIT_KERNEL 351 select SYS_SUPPORTS_64BIT_KERNEL 352 select SYS_SUPPORTS_BIG_ENDIAN 353 select SYS_SUPPORTS_LITTLE_ENDIAN 354 help 355 This enables support for the Wind River MIPS32 4KC PPMC evaluation 356 board, which is based on GT64120 bridge chip. 357 358config MIPS_SIM 359 bool 'MIPS simulator (MIPSsim)' 360 select DMA_NONCOHERENT 361 select SYS_HAS_EARLY_PRINTK 362 select IRQ_CPU 363 select SYS_HAS_CPU_MIPS32_R1 364 select SYS_HAS_CPU_MIPS32_R2 365 select SYS_HAS_EARLY_PRINTK 366 select SYS_SUPPORTS_32BIT_KERNEL 367 select SYS_SUPPORTS_BIG_ENDIAN 368 select SYS_SUPPORTS_LITTLE_ENDIAN 369 help 370 This option enables support for MIPS Technologies MIPSsim software 371 emulator. 372 373config MOMENCO_JAGUAR_ATX 374 bool "Momentum Jaguar board" 375 select BOOT_ELF32 376 select DMA_NONCOHERENT 377 select HW_HAS_PCI 378 select IRQ_CPU 379 select IRQ_CPU_RM7K 380 select IRQ_MV64340 381 select LIMITED_DMA 382 select PCI_MARVELL 383 select RM7000_CPU_SCACHE 384 select SWAP_IO_SPACE 385 select SYS_HAS_CPU_RM9000 386 select SYS_HAS_EARLY_PRINTK 387 select SYS_SUPPORTS_32BIT_KERNEL 388 select SYS_SUPPORTS_64BIT_KERNEL 389 select SYS_SUPPORTS_BIG_ENDIAN 390 select SYS_SUPPORTS_KGDB 391 help 392 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by 393 Momentum Computer <http://www.momenco.com/>. 394 395config MOMENCO_OCELOT 396 bool "Momentum Ocelot board" 397 select DMA_NONCOHERENT 398 select HW_HAS_PCI 399 select IRQ_CPU 400 select IRQ_CPU_RM7K 401 select MIPS_GT64120 402 select RM7000_CPU_SCACHE 403 select SWAP_IO_SPACE 404 select SYS_HAS_CPU_RM7000 405 select SYS_SUPPORTS_32BIT_KERNEL 406 select SYS_SUPPORTS_64BIT_KERNEL 407 select SYS_SUPPORTS_BIG_ENDIAN 408 select SYS_SUPPORTS_KGDB 409 help 410 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 411 Momentum Computer <http://www.momenco.com/>. 412 413config MOMENCO_OCELOT_3 414 bool "Momentum Ocelot-3 board" 415 select BOOT_ELF32 416 select DMA_NONCOHERENT 417 select HW_HAS_PCI 418 select IRQ_CPU 419 select IRQ_CPU_RM7K 420 select IRQ_MV64340 421 select PCI_MARVELL 422 select RM7000_CPU_SCACHE 423 select SWAP_IO_SPACE 424 select SYS_HAS_CPU_RM9000 425 select SYS_SUPPORTS_32BIT_KERNEL 426 select SYS_SUPPORTS_64BIT_KERNEL 427 select SYS_SUPPORTS_BIG_ENDIAN 428 help 429 The Ocelot-3 is based off Discovery III System Controller and 430 PMC-Sierra Rm79000 core. 431 432config MOMENCO_OCELOT_C 433 bool "Momentum Ocelot-C board" 434 select DMA_NONCOHERENT 435 select HW_HAS_PCI 436 select IRQ_CPU 437 select IRQ_MV64340 438 select PCI_MARVELL 439 select RM7000_CPU_SCACHE 440 select SWAP_IO_SPACE 441 select SYS_HAS_CPU_RM7000 442 select SYS_SUPPORTS_32BIT_KERNEL 443 select SYS_SUPPORTS_64BIT_KERNEL 444 select SYS_SUPPORTS_BIG_ENDIAN 445 select GENERIC_HARDIRQS_NO__DO_IRQ 446 help 447 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 448 Momentum Computer <http://www.momenco.com/>. 449 450config MOMENCO_OCELOT_G 451 bool "Momentum Ocelot-G board" 452 select DMA_NONCOHERENT 453 select HW_HAS_PCI 454 select IRQ_CPU 455 select IRQ_CPU_RM7K 456 select PCI_MARVELL 457 select RM7000_CPU_SCACHE 458 select SWAP_IO_SPACE 459 select SYS_HAS_CPU_RM7000 460 select SYS_SUPPORTS_32BIT_KERNEL 461 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 462 select SYS_SUPPORTS_BIG_ENDIAN 463 help 464 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 465 Momentum Computer <http://www.momenco.com/>. 466 467config MIPS_XXS1500 468 bool "MyCable XXS1500 board" 469 select DMA_NONCOHERENT 470 select SOC_AU1500 471 select SYS_SUPPORTS_LITTLE_ENDIAN 472 473config PNX8550_JBS 474 bool "Philips PNX8550 based JBS board" 475 select PNX8550 476 select SYS_SUPPORTS_LITTLE_ENDIAN 477 478config PNX8550_STB810 479 bool "Support for Philips PNX8550 based STB810 board" 480 select PNX8550 481 select SYS_SUPPORTS_LITTLE_ENDIAN 482 483config DDB5477 484 bool "NEC DDB Vrc-5477" 485 select DDB5XXX_COMMON 486 select DMA_NONCOHERENT 487 select HW_HAS_PCI 488 select I8259 489 select IRQ_CPU 490 select SYS_HAS_CPU_R5432 491 select SYS_SUPPORTS_32BIT_KERNEL 492 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 493 select SYS_SUPPORTS_KGDB 494 select SYS_SUPPORTS_KGDB 495 select SYS_SUPPORTS_LITTLE_ENDIAN 496 help 497 This enables support for the R5432-based NEC DDB Vrc-5477, 498 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 499 500 Features : kernel debugging, serial terminal, NFS root fs, on-board 501 ether port USB, AC97, PCI, etc. 502 503config MACH_VR41XX 504 bool "NEC VR41XX-based machines" 505 select SYS_HAS_CPU_VR41XX 506 select SYS_SUPPORTS_32BIT_KERNEL 507 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 508 select GENERIC_HARDIRQS_NO__DO_IRQ 509 510config PMC_YOSEMITE 511 bool "PMC-Sierra Yosemite eval board" 512 select DMA_COHERENT 513 select HW_HAS_PCI 514 select IRQ_CPU 515 select IRQ_CPU_RM7K 516 select IRQ_CPU_RM9K 517 select SWAP_IO_SPACE 518 select SYS_HAS_CPU_RM9000 519 select SYS_HAS_EARLY_PRINTK 520 select SYS_SUPPORTS_32BIT_KERNEL 521 select SYS_SUPPORTS_64BIT_KERNEL 522 select SYS_SUPPORTS_BIG_ENDIAN 523 select SYS_SUPPORTS_HIGHMEM 524 select SYS_SUPPORTS_KGDB 525 select SYS_SUPPORTS_SMP 526 help 527 Yosemite is an evaluation board for the RM9000x2 processor 528 manufactured by PMC-Sierra. 529 530config QEMU 531 bool "Qemu" 532 select DMA_COHERENT 533 select GENERIC_ISA_DMA 534 select HAVE_STD_PC_SERIAL_PORT 535 select I8253 536 select I8259 537 select ISA 538 select SWAP_IO_SPACE 539 select SYS_HAS_CPU_MIPS32_R1 540 select SYS_SUPPORTS_32BIT_KERNEL 541 select SYS_SUPPORTS_BIG_ENDIAN 542 select SYS_SUPPORTS_LITTLE_ENDIAN 543 select ARCH_SPARSEMEM_ENABLE 544 select GENERIC_HARDIRQS_NO__DO_IRQ 545 select NR_CPUS_DEFAULT_1 546 select SYS_SUPPORTS_SMP 547 help 548 Qemu is a software emulator which among other architectures also 549 can simulate a MIPS32 4Kc system. This patch adds support for the 550 system architecture that currently is being simulated by Qemu. It 551 will eventually be removed again when Qemu has the capability to 552 simulate actual MIPS hardware platforms. More information on Qemu 553 can be found at http://www.linux-mips.org/wiki/Qemu. 554 555config MARKEINS 556 bool "Support for NEC EMMA2RH Mark-eins" 557 select DMA_NONCOHERENT 558 select HW_HAS_PCI 559 select IRQ_CPU 560 select SWAP_IO_SPACE 561 select SYS_SUPPORTS_32BIT_KERNEL 562 select SYS_SUPPORTS_BIG_ENDIAN 563 select SYS_SUPPORTS_LITTLE_ENDIAN 564 select SYS_HAS_CPU_R5000 565 help 566 This enables support for the R5432-based NEC Mark-eins 567 boards with R5500 CPU. 568 569config SGI_IP22 570 bool "SGI IP22 (Indy/Indigo2)" 571 select ARC 572 select ARC32 573 select BOOT_ELF32 574 select DMA_NONCOHERENT 575 select HW_HAS_EISA 576 select IP22_CPU_SCACHE 577 select IRQ_CPU 578 select GENERIC_ISA_DMA_SUPPORT_BROKEN 579 select SWAP_IO_SPACE 580 select SYS_HAS_CPU_R4X00 581 select SYS_HAS_CPU_R5000 582 select SYS_HAS_EARLY_PRINTK 583 select SYS_SUPPORTS_32BIT_KERNEL 584 select SYS_SUPPORTS_64BIT_KERNEL 585 select SYS_SUPPORTS_BIG_ENDIAN 586 help 587 This are the SGI Indy, Challenge S and Indigo2, as well as certain 588 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 589 that runs on these, say Y here. 590 591config SGI_IP27 592 bool "SGI IP27 (Origin200/2000)" 593 select ARC 594 select ARC64 595 select BOOT_ELF64 596 select DMA_IP27 597 select SYS_HAS_EARLY_PRINTK 598 select HW_HAS_PCI 599 select NR_CPUS_DEFAULT_64 600 select PCI_DOMAINS 601 select SYS_HAS_CPU_R10000 602 select SYS_SUPPORTS_64BIT_KERNEL 603 select SYS_SUPPORTS_BIG_ENDIAN 604 select SYS_SUPPORTS_KGDB 605 select SYS_SUPPORTS_NUMA 606 select SYS_SUPPORTS_SMP 607 select GENERIC_HARDIRQS_NO__DO_IRQ 608 help 609 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 610 workstations. To compile a Linux kernel that runs on these, say Y 611 here. 612 613config SGI_IP32 614 bool "SGI IP32 (O2) (EXPERIMENTAL)" 615 depends on EXPERIMENTAL 616 select ARC 617 select ARC32 618 select BOOT_ELF32 619 select DMA_NONCOHERENT 620 select HW_HAS_PCI 621 select R5000_CPU_SCACHE 622 select RM7000_CPU_SCACHE 623 select SYS_HAS_CPU_R5000 624 select SYS_HAS_CPU_R10000 if BROKEN 625 select SYS_HAS_CPU_RM7000 626 select SYS_HAS_CPU_NEVADA 627 select SYS_SUPPORTS_64BIT_KERNEL 628 select SYS_SUPPORTS_BIG_ENDIAN 629 help 630 If you want this kernel to run on SGI O2 workstation, say Y here. 631 632config SIBYTE_BIGSUR 633 bool "Sibyte BCM91480B-BigSur" 634 select BOOT_ELF32 635 select DMA_COHERENT 636 select NR_CPUS_DEFAULT_4 637 select PCI_DOMAINS 638 select SIBYTE_BCM1x80 639 select SWAP_IO_SPACE 640 select SYS_HAS_CPU_SB1 641 select SYS_SUPPORTS_BIG_ENDIAN 642 select SYS_SUPPORTS_LITTLE_ENDIAN 643 644config SIBYTE_SWARM 645 bool "Sibyte BCM91250A-SWARM" 646 select BOOT_ELF32 647 select DMA_COHERENT 648 select NR_CPUS_DEFAULT_2 649 select SIBYTE_SB1250 650 select SWAP_IO_SPACE 651 select SYS_HAS_CPU_SB1 652 select SYS_SUPPORTS_BIG_ENDIAN 653 select SYS_SUPPORTS_HIGHMEM 654 select SYS_SUPPORTS_KGDB 655 select SYS_SUPPORTS_LITTLE_ENDIAN 656 657config SIBYTE_SENTOSA 658 bool "Sibyte BCM91250E-Sentosa" 659 depends on EXPERIMENTAL 660 select BOOT_ELF32 661 select DMA_COHERENT 662 select NR_CPUS_DEFAULT_2 663 select SIBYTE_SB1250 664 select SWAP_IO_SPACE 665 select SYS_HAS_CPU_SB1 666 select SYS_SUPPORTS_BIG_ENDIAN 667 select SYS_SUPPORTS_LITTLE_ENDIAN 668 669config SIBYTE_RHONE 670 bool "Sibyte BCM91125E-Rhone" 671 depends on EXPERIMENTAL 672 select BOOT_ELF32 673 select DMA_COHERENT 674 select SIBYTE_BCM1125H 675 select SWAP_IO_SPACE 676 select SYS_HAS_CPU_SB1 677 select SYS_SUPPORTS_BIG_ENDIAN 678 select SYS_SUPPORTS_LITTLE_ENDIAN 679 680config SIBYTE_CARMEL 681 bool "Sibyte BCM91120x-Carmel" 682 depends on EXPERIMENTAL 683 select BOOT_ELF32 684 select DMA_COHERENT 685 select SIBYTE_BCM1120 686 select SWAP_IO_SPACE 687 select SYS_HAS_CPU_SB1 688 select SYS_SUPPORTS_BIG_ENDIAN 689 select SYS_SUPPORTS_LITTLE_ENDIAN 690 691config SIBYTE_PTSWARM 692 bool "Sibyte BCM91250PT-PTSWARM" 693 depends on EXPERIMENTAL 694 select BOOT_ELF32 695 select DMA_COHERENT 696 select NR_CPUS_DEFAULT_2 697 select SIBYTE_SB1250 698 select SWAP_IO_SPACE 699 select SYS_HAS_CPU_SB1 700 select SYS_SUPPORTS_BIG_ENDIAN 701 select SYS_SUPPORTS_HIGHMEM 702 select SYS_SUPPORTS_LITTLE_ENDIAN 703 704config SIBYTE_LITTLESUR 705 bool "Sibyte BCM91250C2-LittleSur" 706 depends on EXPERIMENTAL 707 select BOOT_ELF32 708 select DMA_COHERENT 709 select NR_CPUS_DEFAULT_2 710 select SIBYTE_SB1250 711 select SWAP_IO_SPACE 712 select SYS_HAS_CPU_SB1 713 select SYS_SUPPORTS_BIG_ENDIAN 714 select SYS_SUPPORTS_HIGHMEM 715 select SYS_SUPPORTS_LITTLE_ENDIAN 716 717config SIBYTE_CRHINE 718 bool "Sibyte BCM91120C-CRhine" 719 depends on EXPERIMENTAL 720 select BOOT_ELF32 721 select DMA_COHERENT 722 select SIBYTE_BCM1120 723 select SWAP_IO_SPACE 724 select SYS_HAS_CPU_SB1 725 select SYS_SUPPORTS_BIG_ENDIAN 726 select SYS_SUPPORTS_LITTLE_ENDIAN 727 728config SIBYTE_CRHONE 729 bool "Sibyte BCM91125C-CRhone" 730 depends on EXPERIMENTAL 731 select BOOT_ELF32 732 select DMA_COHERENT 733 select SIBYTE_BCM1125 734 select SWAP_IO_SPACE 735 select SYS_HAS_CPU_SB1 736 select SYS_SUPPORTS_BIG_ENDIAN 737 select SYS_SUPPORTS_HIGHMEM 738 select SYS_SUPPORTS_LITTLE_ENDIAN 739 740config SNI_RM 741 bool "SNI RM200/300/400" 742 select ARC if CPU_LITTLE_ENDIAN 743 select ARC32 if CPU_LITTLE_ENDIAN 744 select ARCH_MAY_HAVE_PC_FDC 745 select BOOT_ELF32 746 select DMA_NONCOHERENT 747 select GENERIC_ISA_DMA 748 select HW_HAS_EISA 749 select HW_HAS_PCI 750 select IRQ_CPU 751 select I8253 752 select I8259 753 select ISA 754 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 755 select SYS_HAS_CPU_R4X00 756 select SYS_HAS_CPU_R5000 757 select SYS_HAS_CPU_R10000 758 select R5000_CPU_SCACHE 759 select SYS_HAS_EARLY_PRINTK 760 select SYS_SUPPORTS_32BIT_KERNEL 761 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 762 select SYS_SUPPORTS_BIG_ENDIAN 763 select SYS_SUPPORTS_HIGHMEM 764 select SYS_SUPPORTS_LITTLE_ENDIAN 765 help 766 The SNI RM200/300/400 are MIPS-based machines manufactured by 767 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 768 Technology and now in turn merged with Fujitsu. Say Y here to 769 support this machine type. 770 771config TOSHIBA_JMR3927 772 bool "Toshiba JMR-TX3927 board" 773 select DMA_NONCOHERENT 774 select HW_HAS_PCI 775 select MIPS_TX3927 776 select SWAP_IO_SPACE 777 select SYS_HAS_CPU_TX39XX 778 select SYS_SUPPORTS_32BIT_KERNEL 779 select SYS_SUPPORTS_LITTLE_ENDIAN 780 select SYS_SUPPORTS_BIG_ENDIAN 781 select TOSHIBA_BOARDS 782 783config TOSHIBA_RBTX4927 784 bool "Toshiba TBTX49[23]7 board" 785 select DMA_NONCOHERENT 786 select HAS_TXX9_SERIAL 787 select HW_HAS_PCI 788 select I8259 789 select ISA 790 select SWAP_IO_SPACE 791 select SYS_HAS_CPU_TX49XX 792 select SYS_SUPPORTS_32BIT_KERNEL 793 select SYS_SUPPORTS_64BIT_KERNEL 794 select SYS_SUPPORTS_LITTLE_ENDIAN 795 select SYS_SUPPORTS_BIG_ENDIAN 796 select SYS_SUPPORTS_KGDB 797 select TOSHIBA_BOARDS 798 select GENERIC_HARDIRQS_NO__DO_IRQ 799 help 800 This Toshiba board is based on the TX4927 processor. Say Y here to 801 support this machine type 802 803config TOSHIBA_RBTX4938 804 bool "Toshiba RBTX4938 board" 805 select HAVE_STD_PC_SERIAL_PORT 806 select DMA_NONCOHERENT 807 select GENERIC_ISA_DMA 808 select HAS_TXX9_SERIAL 809 select HW_HAS_PCI 810 select I8259 811 select ISA 812 select SWAP_IO_SPACE 813 select SYS_HAS_CPU_TX49XX 814 select SYS_SUPPORTS_32BIT_KERNEL 815 select SYS_SUPPORTS_LITTLE_ENDIAN 816 select SYS_SUPPORTS_BIG_ENDIAN 817 select SYS_SUPPORTS_KGDB 818 select TOSHIBA_BOARDS 819 select GENERIC_HARDIRQS_NO__DO_IRQ 820 help 821 This Toshiba board is based on the TX4938 processor. Say Y here to 822 support this machine type 823 824endchoice 825 826source "arch/mips/ddb5xxx/Kconfig" 827source "arch/mips/gt64120/ev64120/Kconfig" 828source "arch/mips/jazz/Kconfig" 829source "arch/mips/lasat/Kconfig" 830source "arch/mips/momentum/Kconfig" 831source "arch/mips/pmc-sierra/Kconfig" 832source "arch/mips/sgi-ip27/Kconfig" 833source "arch/mips/sibyte/Kconfig" 834source "arch/mips/tx4927/Kconfig" 835source "arch/mips/tx4938/Kconfig" 836source "arch/mips/vr41xx/Kconfig" 837source "arch/mips/philips/pnx8550/common/Kconfig" 838 839endmenu 840 841config RWSEM_GENERIC_SPINLOCK 842 bool 843 default y 844 845config RWSEM_XCHGADD_ALGORITHM 846 bool 847 848config ARCH_HAS_ILOG2_U32 849 bool 850 default n 851 852config ARCH_HAS_ILOG2_U64 853 bool 854 default n 855 856config GENERIC_FIND_NEXT_BIT 857 bool 858 default y 859 860config GENERIC_HWEIGHT 861 bool 862 default y 863 864config GENERIC_CALIBRATE_DELAY 865 bool 866 default y 867 868config GENERIC_TIME 869 bool 870 default y 871 872config SCHED_NO_NO_OMIT_FRAME_POINTER 873 bool 874 default y 875 876config GENERIC_HARDIRQS_NO__DO_IRQ 877 bool 878 default n 879 880# 881# Select some configuration options automatically based on user selections. 882# 883config ARC 884 bool 885 886config ARCH_MAY_HAVE_PC_FDC 887 bool 888 889config DMA_COHERENT 890 bool 891 892config DMA_IP27 893 bool 894 895config DMA_IP32 896 bool 897 select DMA_NEED_PCI_MAP_STATE 898 899config DMA_NONCOHERENT 900 bool 901 select DMA_NEED_PCI_MAP_STATE 902 903config DMA_NEED_PCI_MAP_STATE 904 bool 905 906config EARLY_PRINTK 907 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 908 depends on SYS_HAS_EARLY_PRINTK 909 default y 910 help 911 This option enables special console drivers which allow the kernel 912 to print messages very early in the bootup process. 913 914 This is useful for kernel debugging when your machine crashes very 915 early before the console code is initialized. For normal operation 916 it is not recommended because it looks on some machines ugly and 917 oesn't cooperate with an X server. You should normally N here, 918 unless you want to debug such a crash. 919 920config SYS_HAS_EARLY_PRINTK 921 bool 922 923config GENERIC_ISA_DMA 924 bool 925 926config I8259 927 bool 928 929config LIMITED_DMA 930 bool 931 select HIGHMEM 932 select SYS_SUPPORTS_HIGHMEM 933 934config MIPS_BONITO64 935 bool 936 937config MIPS_MSC 938 bool 939 940config MIPS_NILE4 941 bool 942 943config MIPS_DISABLE_OBSOLETE_IDE 944 bool 945 946config GENERIC_ISA_DMA_SUPPORT_BROKEN 947 bool 948 949# 950# Endianess selection. Sufficiently obscure so many users don't know what to 951# answer,so we try hard to limit the available choices. Also the use of a 952# choice statement should be more obvious to the user. 953# 954choice 955 prompt "Endianess selection" 956 help 957 Some MIPS machines can be configured for either little or big endian 958 byte order. These modes require different kernels and a different 959 Linux distribution. In general there is one preferred byteorder for a 960 particular system but some systems are just as commonly used in the 961 one or the other endianess. 962 963config CPU_BIG_ENDIAN 964 bool "Big endian" 965 depends on SYS_SUPPORTS_BIG_ENDIAN 966 967config CPU_LITTLE_ENDIAN 968 bool "Little endian" 969 depends on SYS_SUPPORTS_LITTLE_ENDIAN 970 help 971 972endchoice 973 974config SYS_SUPPORTS_APM_EMULATION 975 bool 976 977config SYS_SUPPORTS_BIG_ENDIAN 978 bool 979 980config SYS_SUPPORTS_LITTLE_ENDIAN 981 bool 982 983config IRQ_CPU 984 bool 985 986config IRQ_CPU_RM7K 987 bool 988 989config IRQ_CPU_RM9K 990 bool 991 992config IRQ_MV64340 993 bool 994 995config DDB5XXX_COMMON 996 bool 997 select SYS_SUPPORTS_KGDB 998 999config MIPS_BOARDS_GEN 1000 bool 1001 1002config MIPS_GT64111 1003 bool 1004 1005config MIPS_GT64120 1006 bool 1007 1008config MIPS_TX3927 1009 bool 1010 select HAS_TXX9_SERIAL 1011 1012config MIPS_RM9122 1013 bool 1014 select SERIAL_RM9000 1015 select GPI_RM9000 1016 select WDT_RM9000 1017 1018config PCI_MARVELL 1019 bool 1020 1021config SOC_AU1000 1022 bool 1023 select SOC_AU1X00 1024 1025config SOC_AU1100 1026 bool 1027 select SOC_AU1X00 1028 1029config SOC_AU1500 1030 bool 1031 select SOC_AU1X00 1032 1033config SOC_AU1550 1034 bool 1035 select SOC_AU1X00 1036 1037config SOC_AU1200 1038 bool 1039 select SOC_AU1X00 1040 1041config SOC_AU1X00 1042 bool 1043 select SYS_HAS_CPU_MIPS32_R1 1044 select SYS_SUPPORTS_32BIT_KERNEL 1045 select SYS_SUPPORTS_APM_EMULATION 1046 select SYS_SUPPORTS_KGDB 1047 1048config PNX8550 1049 bool 1050 select SOC_PNX8550 1051 1052config SOC_PNX8550 1053 bool 1054 select DMA_NONCOHERENT 1055 select HW_HAS_PCI 1056 select SYS_HAS_CPU_MIPS32_R1 1057 select SYS_HAS_EARLY_PRINTK 1058 select SYS_SUPPORTS_32BIT_KERNEL 1059 select GENERIC_HARDIRQS_NO__DO_IRQ 1060 select SYS_SUPPORTS_KGDB 1061 1062config SWAP_IO_SPACE 1063 bool 1064 1065config EMMA2RH 1066 bool 1067 depends on MARKEINS 1068 default y 1069 1070config SERIAL_RM9000 1071 bool 1072 1073config GPI_RM9000 1074 bool 1075 1076config WDT_RM9000 1077 bool 1078 1079# 1080# Unfortunately not all GT64120 systems run the chip at the same clock. 1081# As the user for the clock rate and try to minimize the available options. 1082# 1083choice 1084 prompt "Galileo Chip Clock" 1085 #default SYSCLK_83 if MIPS_EV64120 1086 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1087 default SYSCLK_83 if MIPS_EV64120 1088 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 1089 1090config SYSCLK_75 1091 bool "75" if MIPS_EV64120 1092 1093config SYSCLK_83 1094 bool "83.3" if MIPS_EV64120 1095 1096config SYSCLK_100 1097 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1098 1099endchoice 1100 1101config ARC32 1102 bool 1103 1104config BOOT_ELF32 1105 bool 1106 1107config MIPS_L1_CACHE_SHIFT 1108 int 1109 default "4" if MACH_DECSTATION || SNI_RM 1110 default "7" if SGI_IP27 1111 default "5" 1112 1113config HAVE_STD_PC_SERIAL_PORT 1114 bool 1115 1116config ARC_CONSOLE 1117 bool "ARC console support" 1118 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 1119 1120config ARC_MEMORY 1121 bool 1122 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1123 default y 1124 1125config ARC_PROMLIB 1126 bool 1127 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 1128 default y 1129 1130config ARC64 1131 bool 1132 1133config BOOT_ELF64 1134 bool 1135 1136config TOSHIBA_BOARDS 1137 bool 1138 1139menu "CPU selection" 1140 1141choice 1142 prompt "CPU type" 1143 default CPU_R4X00 1144 1145config CPU_MIPS32_R1 1146 bool "MIPS32 Release 1" 1147 depends on SYS_HAS_CPU_MIPS32_R1 1148 select CPU_HAS_LLSC 1149 select CPU_HAS_PREFETCH 1150 select CPU_SUPPORTS_32BIT_KERNEL 1151 select CPU_SUPPORTS_HIGHMEM 1152 help 1153 Choose this option to build a kernel for release 1 or later of the 1154 MIPS32 architecture. Most modern embedded systems with a 32-bit 1155 MIPS processor are based on a MIPS32 processor. If you know the 1156 specific type of processor in your system, choose those that one 1157 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1158 Release 2 of the MIPS32 architecture is available since several 1159 years so chances are you even have a MIPS32 Release 2 processor 1160 in which case you should choose CPU_MIPS32_R2 instead for better 1161 performance. 1162 1163config CPU_MIPS32_R2 1164 bool "MIPS32 Release 2" 1165 depends on SYS_HAS_CPU_MIPS32_R2 1166 select CPU_HAS_LLSC 1167 select CPU_HAS_PREFETCH 1168 select CPU_SUPPORTS_32BIT_KERNEL 1169 select CPU_SUPPORTS_HIGHMEM 1170 help 1171 Choose this option to build a kernel for release 2 or later of the 1172 MIPS32 architecture. Most modern embedded systems with a 32-bit 1173 MIPS processor are based on a MIPS32 processor. If you know the 1174 specific type of processor in your system, choose those that one 1175 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1176 1177config CPU_MIPS64_R1 1178 bool "MIPS64 Release 1" 1179 depends on SYS_HAS_CPU_MIPS64_R1 1180 select CPU_HAS_LLSC 1181 select CPU_HAS_PREFETCH 1182 select CPU_SUPPORTS_32BIT_KERNEL 1183 select CPU_SUPPORTS_64BIT_KERNEL 1184 select CPU_SUPPORTS_HIGHMEM 1185 help 1186 Choose this option to build a kernel for release 1 or later of the 1187 MIPS64 architecture. Many modern embedded systems with a 64-bit 1188 MIPS processor are based on a MIPS64 processor. If you know the 1189 specific type of processor in your system, choose those that one 1190 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1191 Release 2 of the MIPS64 architecture is available since several 1192 years so chances are you even have a MIPS64 Release 2 processor 1193 in which case you should choose CPU_MIPS64_R2 instead for better 1194 performance. 1195 1196config CPU_MIPS64_R2 1197 bool "MIPS64 Release 2" 1198 depends on SYS_HAS_CPU_MIPS64_R2 1199 select CPU_HAS_LLSC 1200 select CPU_HAS_PREFETCH 1201 select CPU_SUPPORTS_32BIT_KERNEL 1202 select CPU_SUPPORTS_64BIT_KERNEL 1203 select CPU_SUPPORTS_HIGHMEM 1204 help 1205 Choose this option to build a kernel for release 2 or later of the 1206 MIPS64 architecture. Many modern embedded systems with a 64-bit 1207 MIPS processor are based on a MIPS64 processor. If you know the 1208 specific type of processor in your system, choose those that one 1209 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1210 1211config CPU_R3000 1212 bool "R3000" 1213 depends on SYS_HAS_CPU_R3000 1214 select CPU_HAS_WB 1215 select CPU_SUPPORTS_32BIT_KERNEL 1216 select CPU_SUPPORTS_HIGHMEM 1217 help 1218 Please make sure to pick the right CPU type. Linux/MIPS is not 1219 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1220 *not* work on R4000 machines and vice versa. However, since most 1221 of the supported machines have an R4000 (or similar) CPU, R4x00 1222 might be a safe bet. If the resulting kernel does not work, 1223 try to recompile with R3000. 1224 1225config CPU_TX39XX 1226 bool "R39XX" 1227 depends on SYS_HAS_CPU_TX39XX 1228 select CPU_SUPPORTS_32BIT_KERNEL 1229 1230config CPU_VR41XX 1231 bool "R41xx" 1232 depends on SYS_HAS_CPU_VR41XX 1233 select CPU_SUPPORTS_32BIT_KERNEL 1234 select CPU_SUPPORTS_64BIT_KERNEL 1235 help 1236 The options selects support for the NEC VR4100 series of processors. 1237 Only choose this option if you have one of these processors as a 1238 kernel built with this option will not run on any other type of 1239 processor or vice versa. 1240 1241config CPU_R4300 1242 bool "R4300" 1243 depends on SYS_HAS_CPU_R4300 1244 select CPU_HAS_LLSC 1245 select CPU_SUPPORTS_32BIT_KERNEL 1246 select CPU_SUPPORTS_64BIT_KERNEL 1247 help 1248 MIPS Technologies R4300-series processors. 1249 1250config CPU_R4X00 1251 bool "R4x00" 1252 depends on SYS_HAS_CPU_R4X00 1253 select CPU_HAS_LLSC 1254 select CPU_SUPPORTS_32BIT_KERNEL 1255 select CPU_SUPPORTS_64BIT_KERNEL 1256 help 1257 MIPS Technologies R4000-series processors other than 4300, including 1258 the R4000, R4400, R4600, and 4700. 1259 1260config CPU_TX49XX 1261 bool "R49XX" 1262 depends on SYS_HAS_CPU_TX49XX 1263 select CPU_HAS_LLSC 1264 select CPU_HAS_PREFETCH 1265 select CPU_SUPPORTS_32BIT_KERNEL 1266 select CPU_SUPPORTS_64BIT_KERNEL 1267 1268config CPU_R5000 1269 bool "R5000" 1270 depends on SYS_HAS_CPU_R5000 1271 select CPU_HAS_LLSC 1272 select CPU_SUPPORTS_32BIT_KERNEL 1273 select CPU_SUPPORTS_64BIT_KERNEL 1274 help 1275 MIPS Technologies R5000-series processors other than the Nevada. 1276 1277config CPU_R5432 1278 bool "R5432" 1279 depends on SYS_HAS_CPU_R5432 1280 select CPU_HAS_LLSC 1281 select CPU_SUPPORTS_32BIT_KERNEL 1282 select CPU_SUPPORTS_64BIT_KERNEL 1283 1284config CPU_R6000 1285 bool "R6000" 1286 depends on EXPERIMENTAL 1287 select CPU_HAS_LLSC 1288 depends on SYS_HAS_CPU_R6000 1289 select CPU_SUPPORTS_32BIT_KERNEL 1290 help 1291 MIPS Technologies R6000 and R6000A series processors. Note these 1292 processors are extremely rare and the support for them is incomplete. 1293 1294config CPU_NEVADA 1295 bool "RM52xx" 1296 depends on SYS_HAS_CPU_NEVADA 1297 select CPU_HAS_LLSC 1298 select CPU_SUPPORTS_32BIT_KERNEL 1299 select CPU_SUPPORTS_64BIT_KERNEL 1300 help 1301 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1302 1303config CPU_R8000 1304 bool "R8000" 1305 depends on EXPERIMENTAL 1306 depends on SYS_HAS_CPU_R8000 1307 select CPU_HAS_LLSC 1308 select CPU_HAS_PREFETCH 1309 select CPU_SUPPORTS_64BIT_KERNEL 1310 help 1311 MIPS Technologies R8000 processors. Note these processors are 1312 uncommon and the support for them is incomplete. 1313 1314config CPU_R10000 1315 bool "R10000" 1316 depends on SYS_HAS_CPU_R10000 1317 select CPU_HAS_LLSC 1318 select CPU_HAS_PREFETCH 1319 select CPU_SUPPORTS_32BIT_KERNEL 1320 select CPU_SUPPORTS_64BIT_KERNEL 1321 select CPU_SUPPORTS_HIGHMEM 1322 help 1323 MIPS Technologies R10000-series processors. 1324 1325config CPU_RM7000 1326 bool "RM7000" 1327 depends on SYS_HAS_CPU_RM7000 1328 select CPU_HAS_LLSC 1329 select CPU_HAS_PREFETCH 1330 select CPU_SUPPORTS_32BIT_KERNEL 1331 select CPU_SUPPORTS_64BIT_KERNEL 1332 select CPU_SUPPORTS_HIGHMEM 1333 1334config CPU_RM9000 1335 bool "RM9000" 1336 depends on SYS_HAS_CPU_RM9000 1337 select CPU_HAS_LLSC 1338 select CPU_HAS_PREFETCH 1339 select CPU_SUPPORTS_32BIT_KERNEL 1340 select CPU_SUPPORTS_64BIT_KERNEL 1341 select CPU_SUPPORTS_HIGHMEM 1342 select WEAK_ORDERING 1343 1344config CPU_SB1 1345 bool "SB1" 1346 depends on SYS_HAS_CPU_SB1 1347 select CPU_HAS_LLSC 1348 select CPU_SUPPORTS_32BIT_KERNEL 1349 select CPU_SUPPORTS_64BIT_KERNEL 1350 select CPU_SUPPORTS_HIGHMEM 1351 select WEAK_ORDERING 1352 1353endchoice 1354 1355config SYS_HAS_CPU_MIPS32_R1 1356 bool 1357 1358config SYS_HAS_CPU_MIPS32_R2 1359 bool 1360 1361config SYS_HAS_CPU_MIPS64_R1 1362 bool 1363 1364config SYS_HAS_CPU_MIPS64_R2 1365 bool 1366 1367config SYS_HAS_CPU_R3000 1368 bool 1369 1370config SYS_HAS_CPU_TX39XX 1371 bool 1372 1373config SYS_HAS_CPU_VR41XX 1374 bool 1375 1376config SYS_HAS_CPU_R4300 1377 bool 1378 1379config SYS_HAS_CPU_R4X00 1380 bool 1381 1382config SYS_HAS_CPU_TX49XX 1383 bool 1384 1385config SYS_HAS_CPU_R5000 1386 bool 1387 1388config SYS_HAS_CPU_R5432 1389 bool 1390 1391config SYS_HAS_CPU_R6000 1392 bool 1393 1394config SYS_HAS_CPU_NEVADA 1395 bool 1396 1397config SYS_HAS_CPU_R8000 1398 bool 1399 1400config SYS_HAS_CPU_R10000 1401 bool 1402 1403config SYS_HAS_CPU_RM7000 1404 bool 1405 1406config SYS_HAS_CPU_RM9000 1407 bool 1408 1409config SYS_HAS_CPU_SB1 1410 bool 1411 1412config WEAK_ORDERING 1413 bool 1414endmenu 1415 1416# 1417# These two indicate any level of the MIPS32 and MIPS64 architecture 1418# 1419config CPU_MIPS32 1420 bool 1421 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1422 1423config CPU_MIPS64 1424 bool 1425 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1426 1427# 1428# These two indicate the revision of the architecture, either Release 1 or Release 2 1429# 1430config CPU_MIPSR1 1431 bool 1432 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1433 1434config CPU_MIPSR2 1435 bool 1436 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1437 1438config SYS_SUPPORTS_32BIT_KERNEL 1439 bool 1440config SYS_SUPPORTS_64BIT_KERNEL 1441 bool 1442config CPU_SUPPORTS_32BIT_KERNEL 1443 bool 1444config CPU_SUPPORTS_64BIT_KERNEL 1445 bool 1446 1447menu "Kernel type" 1448 1449choice 1450 1451 prompt "Kernel code model" 1452 help 1453 You should only select this option if you have a workload that 1454 actually benefits from 64-bit processing or if your machine has 1455 large memory. You will only be presented a single option in this 1456 menu if your system does not support both 32-bit and 64-bit kernels. 1457 1458config 32BIT 1459 bool "32-bit kernel" 1460 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1461 select TRAD_SIGNALS 1462 help 1463 Select this option if you want to build a 32-bit kernel. 1464config 64BIT 1465 bool "64-bit kernel" 1466 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1467 help 1468 Select this option if you want to build a 64-bit kernel. 1469 1470endchoice 1471 1472choice 1473 prompt "Kernel page size" 1474 default PAGE_SIZE_4KB 1475 1476config PAGE_SIZE_4KB 1477 bool "4kB" 1478 help 1479 This option select the standard 4kB Linux page size. On some 1480 R3000-family processors this is the only available page size. Using 1481 4kB page size will minimize memory consumption and is therefore 1482 recommended for low memory systems. 1483 1484config PAGE_SIZE_8KB 1485 bool "8kB" 1486 depends on EXPERIMENTAL && CPU_R8000 1487 help 1488 Using 8kB page size will result in higher performance kernel at 1489 the price of higher memory consumption. This option is available 1490 only on the R8000 processor. Not that at the time of this writing 1491 this option is still high experimental; there are also issues with 1492 compatibility of user applications. 1493 1494config PAGE_SIZE_16KB 1495 bool "16kB" 1496 depends on !CPU_R3000 && !CPU_TX39XX 1497 help 1498 Using 16kB page size will result in higher performance kernel at 1499 the price of higher memory consumption. This option is available on 1500 all non-R3000 family processors. Note that you will need a suitable 1501 Linux distribution to support this. 1502 1503config PAGE_SIZE_64KB 1504 bool "64kB" 1505 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1506 help 1507 Using 64kB page size will result in higher performance kernel at 1508 the price of higher memory consumption. This option is available on 1509 all non-R3000 family processor. Not that at the time of this 1510 writing this option is still high experimental. 1511 1512endchoice 1513 1514config BOARD_SCACHE 1515 bool 1516 1517config IP22_CPU_SCACHE 1518 bool 1519 select BOARD_SCACHE 1520 1521# 1522# Support for a MIPS32 / MIPS64 style S-caches 1523# 1524config MIPS_CPU_SCACHE 1525 bool 1526 select BOARD_SCACHE 1527 1528config R5000_CPU_SCACHE 1529 bool 1530 select BOARD_SCACHE 1531 1532config RM7000_CPU_SCACHE 1533 bool 1534 select BOARD_SCACHE 1535 1536config SIBYTE_DMA_PAGEOPS 1537 bool "Use DMA to clear/copy pages" 1538 depends on CPU_SB1 1539 help 1540 Instead of using the CPU to zero and copy pages, use a Data Mover 1541 channel. These DMA channels are otherwise unused by the standard 1542 SiByte Linux port. Seems to give a small performance benefit. 1543 1544config CPU_HAS_PREFETCH 1545 bool 1546 1547choice 1548 prompt "MIPS MT options" 1549 1550config MIPS_MT_DISABLED 1551 bool "Disable multithreading support." 1552 help 1553 Use this option if your workload can't take advantage of 1554 MIPS hardware multithreading support. On systems that don't have 1555 the option of an MT-enabled processor this option will be the only 1556 option in this menu. 1557 1558config MIPS_MT_SMP 1559 bool "Use 1 TC on each available VPE for SMP" 1560 depends on SYS_SUPPORTS_MULTITHREADING 1561 select CPU_MIPSR2_IRQ_VI 1562 select CPU_MIPSR2_SRS 1563 select MIPS_MT 1564 select NR_CPUS_DEFAULT_2 1565 select SMP 1566 select SYS_SUPPORTS_SMP 1567 help 1568 This is a kernel model which is also known a VSMP or lately 1569 has been marketesed into SMVP. 1570 1571config MIPS_MT_SMTC 1572 bool "SMTC: Use all TCs on all VPEs for SMP" 1573 depends on CPU_MIPS32_R2 1574 #depends on CPU_MIPS64_R2 # once there is hardware ... 1575 depends on SYS_SUPPORTS_MULTITHREADING 1576 select CPU_MIPSR2_IRQ_VI 1577 select CPU_MIPSR2_SRS 1578 select MIPS_MT 1579 select NR_CPUS_DEFAULT_8 1580 select SMP 1581 select SYS_SUPPORTS_SMP 1582 help 1583 This is a kernel model which is known a SMTC or lately has been 1584 marketesed into SMVP. 1585 1586config MIPS_VPE_LOADER 1587 bool "VPE loader support." 1588 depends on SYS_SUPPORTS_MULTITHREADING 1589 select MIPS_MT 1590 help 1591 Includes a loader for loading an elf relocatable object 1592 onto another VPE and running it. 1593 1594endchoice 1595 1596config MIPS_MT 1597 bool 1598 1599config SYS_SUPPORTS_MULTITHREADING 1600 bool 1601 1602config MIPS_MT_FPAFF 1603 bool "Dynamic FPU affinity for FP-intensive threads" 1604 depends on MIPS_MT 1605 default y 1606 1607config MIPS_MT_SMTC_INSTANT_REPLAY 1608 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1609 depends on MIPS_MT_SMTC && !PREEMPT 1610 default y 1611 help 1612 SMTC pseudo-interrupts between TCs are deferred and queued 1613 if the target TC is interrupt-inhibited (IXMT). In the first 1614 SMTC prototypes, these queued IPIs were serviced on return 1615 to user mode, or on entry into the kernel idle loop. The 1616 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1617 processing, which adds runtime overhead (hence the option to turn 1618 it off), but ensures that IPIs are handled promptly even under 1619 heavy I/O interrupt load. 1620 1621config MIPS_VPE_LOADER_TOM 1622 bool "Load VPE program into memory hidden from linux" 1623 depends on MIPS_VPE_LOADER 1624 default y 1625 help 1626 The loader can use memory that is present but has been hidden from 1627 Linux using the kernel command line option "mem=xxMB". It's up to 1628 you to ensure the amount you put in the option and the space your 1629 program requires is less or equal to the amount physically present. 1630 1631# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1632config MIPS_VPE_APSP_API 1633 bool "Enable support for AP/SP API (RTLX)" 1634 depends on MIPS_VPE_LOADER 1635 help 1636 1637config MIPS_APSP_KSPD 1638 bool "Enable KSPD" 1639 depends on MIPS_VPE_APSP_API 1640 default y 1641 help 1642 KSPD is a kernel daemon that accepts syscall requests from the SP 1643 side, actions them and returns the results. It also handles the 1644 "exit" syscall notifying other kernel modules the SP program is 1645 exiting. You probably want to say yes here. 1646 1647config SB1_PASS_1_WORKAROUNDS 1648 bool 1649 depends on CPU_SB1_PASS_1 1650 default y 1651 1652config SB1_PASS_2_WORKAROUNDS 1653 bool 1654 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1655 default y 1656 1657config SB1_PASS_2_1_WORKAROUNDS 1658 bool 1659 depends on CPU_SB1 && CPU_SB1_PASS_2 1660 default y 1661 1662config 64BIT_PHYS_ADDR 1663 bool "Support for 64-bit physical address space" 1664 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1665 1666config CPU_HAS_LLSC 1667 bool 1668 1669config CPU_HAS_SMARTMIPS 1670 depends on SYS_SUPPORTS_SMARTMIPS 1671 bool "Support for the SmartMIPS ASE" 1672 help 1673 SmartMIPS is a extension of the MIPS32 architecture aimed at 1674 increased security at both hardware and software level for 1675 smartcards. Enabling this option will allow proper use of the 1676 SmartMIPS instructions by Linux applications. However a kernel with 1677 this option will not work on a MIPS core without SmartMIPS core. If 1678 you don't know you probably don't have SmartMIPS and should say N 1679 here. 1680 1681config CPU_HAS_WB 1682 bool 1683 1684# 1685# Vectored interrupt mode is an R2 feature 1686# 1687config CPU_MIPSR2_IRQ_VI 1688 bool 1689 1690# 1691# Extended interrupt mode is an R2 feature 1692# 1693config CPU_MIPSR2_IRQ_EI 1694 bool 1695 1696# 1697# Shadow registers are an R2 feature 1698# 1699config CPU_MIPSR2_SRS 1700 bool 1701 1702config CPU_HAS_SYNC 1703 bool 1704 depends on !CPU_R3000 1705 default y 1706 1707# 1708# Use the generic interrupt handling code in kernel/irq/: 1709# 1710config GENERIC_HARDIRQS 1711 bool 1712 default y 1713 1714config GENERIC_IRQ_PROBE 1715 bool 1716 default y 1717 1718config IRQ_PER_CPU 1719 bool 1720 1721# 1722# - Highmem only makes sense for the 32-bit kernel. 1723# - The current highmem code will only work properly on physically indexed 1724# caches such as R3000, SB1, R7000 or those that look like they're virtually 1725# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1726# moment we protect the user and offer the highmem option only on machines 1727# where it's known to be safe. This will not offer highmem on a few systems 1728# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1729# indexed CPUs but we're playing safe. 1730# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1731# know they might have memory configurations that could make use of highmem 1732# support. 1733# 1734config HIGHMEM 1735 bool "High Memory Support" 1736 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1737 1738config CPU_SUPPORTS_HIGHMEM 1739 bool 1740 1741config SYS_SUPPORTS_HIGHMEM 1742 bool 1743 1744config SYS_SUPPORTS_SMARTMIPS 1745 bool 1746 1747config ARCH_FLATMEM_ENABLE 1748 def_bool y 1749 depends on !NUMA 1750 1751config ARCH_DISCONTIGMEM_ENABLE 1752 bool 1753 default y if SGI_IP27 1754 help 1755 Say Y to upport efficient handling of discontiguous physical memory, 1756 for architectures which are either NUMA (Non-Uniform Memory Access) 1757 or have huge holes in the physical address space for other reasons. 1758 See <file:Documentation/vm/numa> for more. 1759 1760config ARCH_SPARSEMEM_ENABLE 1761 bool 1762 select SPARSEMEM_STATIC 1763 1764config NUMA 1765 bool "NUMA Support" 1766 depends on SYS_SUPPORTS_NUMA 1767 help 1768 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1769 Access). This option improves performance on systems with more 1770 than two nodes; on two node systems it is generally better to 1771 leave it disabled; on single node systems disable this option 1772 disabled. 1773 1774config SYS_SUPPORTS_NUMA 1775 bool 1776 1777config NODES_SHIFT 1778 int 1779 default "6" 1780 depends on NEED_MULTIPLE_NODES 1781 1782source "mm/Kconfig" 1783 1784config SMP 1785 bool "Multi-Processing support" 1786 depends on SYS_SUPPORTS_SMP 1787 select IRQ_PER_CPU 1788 help 1789 This enables support for systems with more than one CPU. If you have 1790 a system with only one CPU, like most personal computers, say N. If 1791 you have a system with more than one CPU, say Y. 1792 1793 If you say N here, the kernel will run on single and multiprocessor 1794 machines, but will use only one CPU of a multiprocessor machine. If 1795 you say Y here, the kernel will run on many, but not all, 1796 singleprocessor machines. On a singleprocessor machine, the kernel 1797 will run faster if you say N here. 1798 1799 People using multiprocessor machines who say Y here should also say 1800 Y to "Enhanced Real Time Clock Support", below. 1801 1802 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1803 available at <http://www.tldp.org/docs.html#howto>. 1804 1805 If you don't know what to do here, say N. 1806 1807config SYS_SUPPORTS_SMP 1808 bool 1809 1810config NR_CPUS_DEFAULT_1 1811 bool 1812 1813config NR_CPUS_DEFAULT_2 1814 bool 1815 1816config NR_CPUS_DEFAULT_4 1817 bool 1818 1819config NR_CPUS_DEFAULT_8 1820 bool 1821 1822config NR_CPUS_DEFAULT_16 1823 bool 1824 1825config NR_CPUS_DEFAULT_32 1826 bool 1827 1828config NR_CPUS_DEFAULT_64 1829 bool 1830 1831config NR_CPUS 1832 int "Maximum number of CPUs (2-64)" 1833 range 1 64 if NR_CPUS_DEFAULT_1 1834 depends on SMP 1835 default "1" if NR_CPUS_DEFAULT_1 1836 default "2" if NR_CPUS_DEFAULT_2 1837 default "4" if NR_CPUS_DEFAULT_4 1838 default "8" if NR_CPUS_DEFAULT_8 1839 default "16" if NR_CPUS_DEFAULT_16 1840 default "32" if NR_CPUS_DEFAULT_32 1841 default "64" if NR_CPUS_DEFAULT_64 1842 help 1843 This allows you to specify the maximum number of CPUs which this 1844 kernel will support. The maximum supported value is 32 for 32-bit 1845 kernel and 64 for 64-bit kernels; the minimum value which makes 1846 sense is 1 for Qemu (useful only for kernel debugging purposes) 1847 and 2 for all others. 1848 1849 This is purely to save memory - each supported CPU adds 1850 approximately eight kilobytes to the kernel image. For best 1851 performance should round up your number of processors to the next 1852 power of two. 1853 1854# 1855# Timer Interrupt Frequency Configuration 1856# 1857 1858choice 1859 prompt "Timer frequency" 1860 default HZ_250 1861 help 1862 Allows the configuration of the timer frequency. 1863 1864 config HZ_48 1865 bool "48 HZ" if SYS_SUPPORTS_48HZ 1866 1867 config HZ_100 1868 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1869 1870 config HZ_128 1871 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1872 1873 config HZ_250 1874 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1875 1876 config HZ_256 1877 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1878 1879 config HZ_1000 1880 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1881 1882 config HZ_1024 1883 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1884 1885endchoice 1886 1887config SYS_SUPPORTS_48HZ 1888 bool 1889 1890config SYS_SUPPORTS_100HZ 1891 bool 1892 1893config SYS_SUPPORTS_128HZ 1894 bool 1895 1896config SYS_SUPPORTS_250HZ 1897 bool 1898 1899config SYS_SUPPORTS_256HZ 1900 bool 1901 1902config SYS_SUPPORTS_1000HZ 1903 bool 1904 1905config SYS_SUPPORTS_1024HZ 1906 bool 1907 1908config SYS_SUPPORTS_ARBIT_HZ 1909 bool 1910 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1911 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1912 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1913 !SYS_SUPPORTS_1024HZ 1914 1915config HZ 1916 int 1917 default 48 if HZ_48 1918 default 100 if HZ_100 1919 default 128 if HZ_128 1920 default 250 if HZ_250 1921 default 256 if HZ_256 1922 default 1000 if HZ_1000 1923 default 1024 if HZ_1024 1924 1925source "kernel/Kconfig.preempt" 1926 1927config MIPS_INSANE_LARGE 1928 bool "Support for large 64-bit configurations" 1929 depends on CPU_R10000 && 64BIT 1930 help 1931 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1932 previous 64-bit processors which only supported 40 bit / 1TB. If you 1933 need processes of more than 1TB virtual address space, say Y here. 1934 This will result in additional memory usage, so it is not 1935 recommended for normal users. 1936 1937config KEXEC 1938 bool "Kexec system call (EXPERIMENTAL)" 1939 depends on EXPERIMENTAL 1940 help 1941 kexec is a system call that implements the ability to shutdown your 1942 current kernel, and to start another kernel. It is like a reboot 1943 but it is indepedent of the system firmware. And like a reboot 1944 you can start any kernel with it, not just Linux. 1945 1946 The name comes from the similiarity to the exec system call. 1947 1948 It is an ongoing process to be certain the hardware in a machine 1949 is properly shutdown, so do not be surprised if this code does not 1950 initially work for you. It may help to enable device hotplugging 1951 support. As of this writing the exact hardware interface is 1952 strongly in flux, so no good recommendation can be made. 1953 1954config SECCOMP 1955 bool "Enable seccomp to safely compute untrusted bytecode" 1956 depends on PROC_FS && BROKEN 1957 default y 1958 help 1959 This kernel feature is useful for number crunching applications 1960 that may need to compute untrusted bytecode during their 1961 execution. By using pipes or other transports made available to 1962 the process as file descriptors supporting the read/write 1963 syscalls, it's possible to isolate those applications in 1964 their own address space using seccomp. Once seccomp is 1965 enabled via /proc/<pid>/seccomp, it cannot be disabled 1966 and the task is only allowed to execute a few safe syscalls 1967 defined by each seccomp mode. 1968 1969 If unsure, say Y. Only embedded should say N here. 1970 1971endmenu 1972 1973config RWSEM_GENERIC_SPINLOCK 1974 bool 1975 default y 1976 1977config LOCKDEP_SUPPORT 1978 bool 1979 default y 1980 1981config STACKTRACE_SUPPORT 1982 bool 1983 default y 1984 1985source "init/Kconfig" 1986 1987menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1988 1989config HW_HAS_EISA 1990 bool 1991config HW_HAS_PCI 1992 bool 1993 1994config PCI 1995 bool "Support for PCI controller" 1996 depends on HW_HAS_PCI 1997 help 1998 Find out whether you have a PCI motherboard. PCI is the name of a 1999 bus system, i.e. the way the CPU talks to the other stuff inside 2000 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2001 say Y, otherwise N. 2002 2003 The PCI-HOWTO, available from 2004 <http://www.tldp.org/docs.html#howto>, contains valuable 2005 information about which PCI hardware does work under Linux and which 2006 doesn't. 2007 2008config PCI_DOMAINS 2009 bool 2010 depends on PCI 2011 2012source "drivers/pci/Kconfig" 2013 2014# 2015# ISA support is now enabled via select. Too many systems still have the one 2016# or other ISA chip on the board that users don't know about so don't expect 2017# users to choose the right thing ... 2018# 2019config ISA 2020 bool 2021 2022config EISA 2023 bool "EISA support" 2024 depends on HW_HAS_EISA 2025 select ISA 2026 select GENERIC_ISA_DMA 2027 ---help--- 2028 The Extended Industry Standard Architecture (EISA) bus was 2029 developed as an open alternative to the IBM MicroChannel bus. 2030 2031 The EISA bus provided some of the features of the IBM MicroChannel 2032 bus while maintaining backward compatibility with cards made for 2033 the older ISA bus. The EISA bus saw limited use between 1988 and 2034 1995 when it was made obsolete by the PCI bus. 2035 2036 Say Y here if you are building a kernel for an EISA-based machine. 2037 2038 Otherwise, say N. 2039 2040source "drivers/eisa/Kconfig" 2041 2042config TC 2043 bool "TURBOchannel support" 2044 depends on MACH_DECSTATION 2045 help 2046 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2047 processors. Documentation on writing device drivers for TurboChannel 2048 is available at: 2049 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2050 2051#config ACCESSBUS 2052# bool "Access.Bus support" 2053# depends on TC 2054 2055config MMU 2056 bool 2057 default y 2058 2059config I8253 2060 bool 2061 2062source "drivers/pcmcia/Kconfig" 2063 2064source "drivers/pci/hotplug/Kconfig" 2065 2066endmenu 2067 2068menu "Executable file formats" 2069 2070source "fs/Kconfig.binfmt" 2071 2072config TRAD_SIGNALS 2073 bool 2074 2075config BUILD_ELF64 2076 bool "Use 64-bit ELF format for building" 2077 depends on 64BIT 2078 help 2079 A 64-bit kernel is usually built using the 64-bit ELF binary object 2080 format as it's one that allows arbitrary 64-bit constructs. For 2081 kernels that are loaded within the KSEG compatibility segments the 2082 32-bit ELF format can optionally be used resulting in a somewhat 2083 smaller binary, but this option is not explicitly supported by the 2084 toolchain and since binutils 2.14 it does not even work at all. 2085 2086 Say Y to use the 64-bit format or N to use the 32-bit one. 2087 2088 If unsure say Y. 2089 2090config BINFMT_IRIX 2091 bool "Include IRIX binary compatibility" 2092 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2093 2094config MIPS32_COMPAT 2095 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2096 depends on 64BIT 2097 help 2098 Select this option if you want Linux/MIPS 32-bit binary 2099 compatibility. Since all software available for Linux/MIPS is 2100 currently 32-bit you should say Y here. 2101 2102config COMPAT 2103 bool 2104 depends on MIPS32_COMPAT 2105 default y 2106 2107config SYSVIPC_COMPAT 2108 bool 2109 depends on COMPAT && SYSVIPC 2110 default y 2111 2112config MIPS32_O32 2113 bool "Kernel support for o32 binaries" 2114 depends on MIPS32_COMPAT 2115 help 2116 Select this option if you want to run o32 binaries. These are pure 2117 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2118 existing binaries are in this format. 2119 2120 If unsure, say Y. 2121 2122config MIPS32_N32 2123 bool "Kernel support for n32 binaries" 2124 depends on MIPS32_COMPAT 2125 help 2126 Select this option if you want to run n32 binaries. These are 2127 64-bit binaries using 32-bit quantities for addressing and certain 2128 data that would normally be 64-bit. They are used in special 2129 cases. 2130 2131 If unsure, say N. 2132 2133config BINFMT_ELF32 2134 bool 2135 default y if MIPS32_O32 || MIPS32_N32 2136 2137endmenu 2138 2139menu "Power management options" 2140 2141source "kernel/power/Kconfig" 2142 2143endmenu 2144 2145source "net/Kconfig" 2146 2147source "drivers/Kconfig" 2148 2149source "fs/Kconfig" 2150 2151source "arch/mips/oprofile/Kconfig" 2152 2153source "arch/mips/Kconfig.debug" 2154 2155source "security/Kconfig" 2156 2157source "crypto/Kconfig" 2158 2159source "lib/Kconfig" 2160