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 EXPERIMENTAL 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 help 546 Qemu is a software emulator which among other architectures also 547 can simulate a MIPS32 4Kc system. This patch adds support for the 548 system architecture that currently is being simulated by Qemu. It 549 will eventually be removed again when Qemu has the capability to 550 simulate actual MIPS hardware platforms. More information on Qemu 551 can be found at http://www.linux-mips.org/wiki/Qemu. 552 553config MARKEINS 554 bool "Support for NEC EMMA2RH Mark-eins" 555 select DMA_NONCOHERENT 556 select HW_HAS_PCI 557 select IRQ_CPU 558 select SWAP_IO_SPACE 559 select SYS_SUPPORTS_32BIT_KERNEL 560 select SYS_SUPPORTS_BIG_ENDIAN 561 select SYS_SUPPORTS_LITTLE_ENDIAN 562 select SYS_HAS_CPU_R5000 563 help 564 This enables support for the R5432-based NEC Mark-eins 565 boards with R5500 CPU. 566 567config SGI_IP22 568 bool "SGI IP22 (Indy/Indigo2)" 569 select ARC 570 select ARC32 571 select BOOT_ELF32 572 select DMA_NONCOHERENT 573 select HW_HAS_EISA 574 select IP22_CPU_SCACHE 575 select IRQ_CPU 576 select GENERIC_ISA_DMA_SUPPORT_BROKEN 577 select SWAP_IO_SPACE 578 select SYS_HAS_CPU_R4X00 579 select SYS_HAS_CPU_R5000 580 select SYS_HAS_EARLY_PRINTK 581 select SYS_SUPPORTS_32BIT_KERNEL 582 select SYS_SUPPORTS_64BIT_KERNEL 583 select SYS_SUPPORTS_BIG_ENDIAN 584 help 585 This are the SGI Indy, Challenge S and Indigo2, as well as certain 586 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 587 that runs on these, say Y here. 588 589config SGI_IP27 590 bool "SGI IP27 (Origin200/2000)" 591 select ARC 592 select ARC64 593 select BOOT_ELF64 594 select DMA_IP27 595 select SYS_HAS_EARLY_PRINTK 596 select HW_HAS_PCI 597 select NR_CPUS_DEFAULT_64 598 select PCI_DOMAINS 599 select SYS_HAS_CPU_R10000 600 select SYS_SUPPORTS_64BIT_KERNEL 601 select SYS_SUPPORTS_BIG_ENDIAN 602 select SYS_SUPPORTS_KGDB 603 select SYS_SUPPORTS_NUMA 604 select SYS_SUPPORTS_SMP 605 select GENERIC_HARDIRQS_NO__DO_IRQ 606 help 607 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 608 workstations. To compile a Linux kernel that runs on these, say Y 609 here. 610 611config SGI_IP32 612 bool "SGI IP32 (O2) (EXPERIMENTAL)" 613 depends on EXPERIMENTAL 614 select ARC 615 select ARC32 616 select BOOT_ELF32 617 select DMA_NONCOHERENT 618 select HW_HAS_PCI 619 select R5000_CPU_SCACHE 620 select RM7000_CPU_SCACHE 621 select SYS_HAS_CPU_R5000 622 select SYS_HAS_CPU_R10000 if BROKEN 623 select SYS_HAS_CPU_RM7000 624 select SYS_HAS_CPU_NEVADA 625 select SYS_SUPPORTS_64BIT_KERNEL 626 select SYS_SUPPORTS_BIG_ENDIAN 627 help 628 If you want this kernel to run on SGI O2 workstation, say Y here. 629 630config SIBYTE_BIGSUR 631 bool "Sibyte BCM91480B-BigSur" 632 select BOOT_ELF32 633 select DMA_COHERENT 634 select NR_CPUS_DEFAULT_4 635 select PCI_DOMAINS 636 select SIBYTE_BCM1x80 637 select SWAP_IO_SPACE 638 select SYS_HAS_CPU_SB1 639 select SYS_SUPPORTS_BIG_ENDIAN 640 select SYS_SUPPORTS_LITTLE_ENDIAN 641 642config SIBYTE_SWARM 643 bool "Sibyte BCM91250A-SWARM" 644 select BOOT_ELF32 645 select DMA_COHERENT 646 select NR_CPUS_DEFAULT_2 647 select SIBYTE_SB1250 648 select SWAP_IO_SPACE 649 select SYS_HAS_CPU_SB1 650 select SYS_SUPPORTS_BIG_ENDIAN 651 select SYS_SUPPORTS_HIGHMEM 652 select SYS_SUPPORTS_KGDB 653 select SYS_SUPPORTS_LITTLE_ENDIAN 654 655config SIBYTE_SENTOSA 656 bool "Sibyte BCM91250E-Sentosa" 657 depends on EXPERIMENTAL 658 select BOOT_ELF32 659 select DMA_COHERENT 660 select NR_CPUS_DEFAULT_2 661 select SIBYTE_SB1250 662 select SWAP_IO_SPACE 663 select SYS_HAS_CPU_SB1 664 select SYS_SUPPORTS_BIG_ENDIAN 665 select SYS_SUPPORTS_LITTLE_ENDIAN 666 667config SIBYTE_RHONE 668 bool "Sibyte BCM91125E-Rhone" 669 depends on EXPERIMENTAL 670 select BOOT_ELF32 671 select DMA_COHERENT 672 select SIBYTE_BCM1125H 673 select SWAP_IO_SPACE 674 select SYS_HAS_CPU_SB1 675 select SYS_SUPPORTS_BIG_ENDIAN 676 select SYS_SUPPORTS_LITTLE_ENDIAN 677 678config SIBYTE_CARMEL 679 bool "Sibyte BCM91120x-Carmel" 680 depends on EXPERIMENTAL 681 select BOOT_ELF32 682 select DMA_COHERENT 683 select SIBYTE_BCM1120 684 select SWAP_IO_SPACE 685 select SYS_HAS_CPU_SB1 686 select SYS_SUPPORTS_BIG_ENDIAN 687 select SYS_SUPPORTS_LITTLE_ENDIAN 688 689config SIBYTE_PTSWARM 690 bool "Sibyte BCM91250PT-PTSWARM" 691 depends on EXPERIMENTAL 692 select BOOT_ELF32 693 select DMA_COHERENT 694 select NR_CPUS_DEFAULT_2 695 select SIBYTE_SB1250 696 select SWAP_IO_SPACE 697 select SYS_HAS_CPU_SB1 698 select SYS_SUPPORTS_BIG_ENDIAN 699 select SYS_SUPPORTS_HIGHMEM 700 select SYS_SUPPORTS_LITTLE_ENDIAN 701 702config SIBYTE_LITTLESUR 703 bool "Sibyte BCM91250C2-LittleSur" 704 depends on EXPERIMENTAL 705 select BOOT_ELF32 706 select DMA_COHERENT 707 select NR_CPUS_DEFAULT_2 708 select SIBYTE_SB1250 709 select SWAP_IO_SPACE 710 select SYS_HAS_CPU_SB1 711 select SYS_SUPPORTS_BIG_ENDIAN 712 select SYS_SUPPORTS_HIGHMEM 713 select SYS_SUPPORTS_LITTLE_ENDIAN 714 715config SIBYTE_CRHINE 716 bool "Sibyte BCM91120C-CRhine" 717 depends on EXPERIMENTAL 718 select BOOT_ELF32 719 select DMA_COHERENT 720 select SIBYTE_BCM1120 721 select SWAP_IO_SPACE 722 select SYS_HAS_CPU_SB1 723 select SYS_SUPPORTS_BIG_ENDIAN 724 select SYS_SUPPORTS_LITTLE_ENDIAN 725 726config SIBYTE_CRHONE 727 bool "Sibyte BCM91125C-CRhone" 728 depends on EXPERIMENTAL 729 select BOOT_ELF32 730 select DMA_COHERENT 731 select SIBYTE_BCM1125 732 select SWAP_IO_SPACE 733 select SYS_HAS_CPU_SB1 734 select SYS_SUPPORTS_BIG_ENDIAN 735 select SYS_SUPPORTS_HIGHMEM 736 select SYS_SUPPORTS_LITTLE_ENDIAN 737 738config SNI_RM 739 bool "SNI RM200/300/400" 740 select ARC if CPU_LITTLE_ENDIAN 741 select ARC32 if CPU_LITTLE_ENDIAN 742 select ARCH_MAY_HAVE_PC_FDC 743 select BOOT_ELF32 744 select DMA_NONCOHERENT 745 select GENERIC_ISA_DMA 746 select HW_HAS_EISA 747 select HW_HAS_PCI 748 select IRQ_CPU 749 select I8253 750 select I8259 751 select ISA 752 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 753 select SYS_HAS_CPU_R4X00 754 select SYS_HAS_CPU_R5000 755 select SYS_HAS_CPU_R10000 756 select R5000_CPU_SCACHE 757 select SYS_HAS_EARLY_PRINTK 758 select SYS_SUPPORTS_32BIT_KERNEL 759 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 760 select SYS_SUPPORTS_BIG_ENDIAN 761 select SYS_SUPPORTS_HIGHMEM 762 select SYS_SUPPORTS_LITTLE_ENDIAN 763 help 764 The SNI RM200/300/400 are MIPS-based machines manufactured by 765 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 766 Technology and now in turn merged with Fujitsu. Say Y here to 767 support this machine type. 768 769config TOSHIBA_JMR3927 770 bool "Toshiba JMR-TX3927 board" 771 select DMA_NONCOHERENT 772 select HW_HAS_PCI 773 select MIPS_TX3927 774 select SWAP_IO_SPACE 775 select SYS_HAS_CPU_TX39XX 776 select SYS_SUPPORTS_32BIT_KERNEL 777 select SYS_SUPPORTS_LITTLE_ENDIAN 778 select SYS_SUPPORTS_BIG_ENDIAN 779 select TOSHIBA_BOARDS 780 781config TOSHIBA_RBTX4927 782 bool "Toshiba TBTX49[23]7 board" 783 select DMA_NONCOHERENT 784 select HAS_TXX9_SERIAL 785 select HW_HAS_PCI 786 select I8259 787 select ISA 788 select SWAP_IO_SPACE 789 select SYS_HAS_CPU_TX49XX 790 select SYS_SUPPORTS_32BIT_KERNEL 791 select SYS_SUPPORTS_64BIT_KERNEL 792 select SYS_SUPPORTS_LITTLE_ENDIAN 793 select SYS_SUPPORTS_BIG_ENDIAN 794 select SYS_SUPPORTS_KGDB 795 select TOSHIBA_BOARDS 796 select GENERIC_HARDIRQS_NO__DO_IRQ 797 help 798 This Toshiba board is based on the TX4927 processor. Say Y here to 799 support this machine type 800 801config TOSHIBA_RBTX4938 802 bool "Toshiba RBTX4938 board" 803 select HAVE_STD_PC_SERIAL_PORT 804 select DMA_NONCOHERENT 805 select GENERIC_ISA_DMA 806 select HAS_TXX9_SERIAL 807 select HW_HAS_PCI 808 select I8259 809 select ISA 810 select SWAP_IO_SPACE 811 select SYS_HAS_CPU_TX49XX 812 select SYS_SUPPORTS_32BIT_KERNEL 813 select SYS_SUPPORTS_LITTLE_ENDIAN 814 select SYS_SUPPORTS_BIG_ENDIAN 815 select SYS_SUPPORTS_KGDB 816 select TOSHIBA_BOARDS 817 select GENERIC_HARDIRQS_NO__DO_IRQ 818 help 819 This Toshiba board is based on the TX4938 processor. Say Y here to 820 support this machine type 821 822endchoice 823 824source "arch/mips/ddb5xxx/Kconfig" 825source "arch/mips/gt64120/ev64120/Kconfig" 826source "arch/mips/jazz/Kconfig" 827source "arch/mips/lasat/Kconfig" 828source "arch/mips/momentum/Kconfig" 829source "arch/mips/pmc-sierra/Kconfig" 830source "arch/mips/sgi-ip27/Kconfig" 831source "arch/mips/sibyte/Kconfig" 832source "arch/mips/tx4927/Kconfig" 833source "arch/mips/tx4938/Kconfig" 834source "arch/mips/vr41xx/Kconfig" 835source "arch/mips/philips/pnx8550/common/Kconfig" 836 837endmenu 838 839config RWSEM_GENERIC_SPINLOCK 840 bool 841 default y 842 843config RWSEM_XCHGADD_ALGORITHM 844 bool 845 846config ARCH_HAS_ILOG2_U32 847 bool 848 default n 849 850config ARCH_HAS_ILOG2_U64 851 bool 852 default n 853 854config GENERIC_FIND_NEXT_BIT 855 bool 856 default y 857 858config GENERIC_HWEIGHT 859 bool 860 default y 861 862config GENERIC_CALIBRATE_DELAY 863 bool 864 default y 865 866config GENERIC_TIME 867 bool 868 default y 869 870config SCHED_NO_NO_OMIT_FRAME_POINTER 871 bool 872 default y 873 874config GENERIC_HARDIRQS_NO__DO_IRQ 875 bool 876 default n 877 878# 879# Select some configuration options automatically based on user selections. 880# 881config ARC 882 bool 883 884config ARCH_MAY_HAVE_PC_FDC 885 bool 886 887config DMA_COHERENT 888 bool 889 890config DMA_IP27 891 bool 892 893config DMA_IP32 894 bool 895 select DMA_NEED_PCI_MAP_STATE 896 897config DMA_NONCOHERENT 898 bool 899 select DMA_NEED_PCI_MAP_STATE 900 901config DMA_NEED_PCI_MAP_STATE 902 bool 903 904config EARLY_PRINTK 905 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 906 depends on SYS_HAS_EARLY_PRINTK 907 default y 908 help 909 This option enables special console drivers which allow the kernel 910 to print messages very early in the bootup process. 911 912 This is useful for kernel debugging when your machine crashes very 913 early before the console code is initialized. For normal operation 914 it is not recommended because it looks on some machines ugly and 915 oesn't cooperate with an X server. You should normally N here, 916 unless you want to debug such a crash. 917 918config SYS_HAS_EARLY_PRINTK 919 bool 920 921config GENERIC_ISA_DMA 922 bool 923 924config I8259 925 bool 926 927config LIMITED_DMA 928 bool 929 select HIGHMEM 930 select SYS_SUPPORTS_HIGHMEM 931 932config MIPS_BONITO64 933 bool 934 935config MIPS_MSC 936 bool 937 938config MIPS_NILE4 939 bool 940 941config MIPS_DISABLE_OBSOLETE_IDE 942 bool 943 944config GENERIC_ISA_DMA_SUPPORT_BROKEN 945 bool 946 947# 948# Endianess selection. Sufficiently obscure so many users don't know what to 949# answer,so we try hard to limit the available choices. Also the use of a 950# choice statement should be more obvious to the user. 951# 952choice 953 prompt "Endianess selection" 954 help 955 Some MIPS machines can be configured for either little or big endian 956 byte order. These modes require different kernels and a different 957 Linux distribution. In general there is one preferred byteorder for a 958 particular system but some systems are just as commonly used in the 959 one or the other endianess. 960 961config CPU_BIG_ENDIAN 962 bool "Big endian" 963 depends on SYS_SUPPORTS_BIG_ENDIAN 964 965config CPU_LITTLE_ENDIAN 966 bool "Little endian" 967 depends on SYS_SUPPORTS_LITTLE_ENDIAN 968 help 969 970endchoice 971 972config SYS_SUPPORTS_APM_EMULATION 973 bool 974 975config SYS_SUPPORTS_BIG_ENDIAN 976 bool 977 978config SYS_SUPPORTS_LITTLE_ENDIAN 979 bool 980 981config IRQ_CPU 982 bool 983 984config IRQ_CPU_RM7K 985 bool 986 987config IRQ_CPU_RM9K 988 bool 989 990config IRQ_MV64340 991 bool 992 993config DDB5XXX_COMMON 994 bool 995 select SYS_SUPPORTS_KGDB 996 997config MIPS_BOARDS_GEN 998 bool 999 1000config MIPS_GT64111 1001 bool 1002 1003config MIPS_GT64120 1004 bool 1005 1006config MIPS_TX3927 1007 bool 1008 select HAS_TXX9_SERIAL 1009 1010config MIPS_RM9122 1011 bool 1012 select SERIAL_RM9000 1013 select GPI_RM9000 1014 select WDT_RM9000 1015 1016config PCI_MARVELL 1017 bool 1018 1019config SOC_AU1000 1020 bool 1021 select SOC_AU1X00 1022 1023config SOC_AU1100 1024 bool 1025 select SOC_AU1X00 1026 1027config SOC_AU1500 1028 bool 1029 select SOC_AU1X00 1030 1031config SOC_AU1550 1032 bool 1033 select SOC_AU1X00 1034 1035config SOC_AU1200 1036 bool 1037 select SOC_AU1X00 1038 1039config SOC_AU1X00 1040 bool 1041 select SYS_HAS_CPU_MIPS32_R1 1042 select SYS_SUPPORTS_32BIT_KERNEL 1043 select SYS_SUPPORTS_APM_EMULATION 1044 select SYS_SUPPORTS_KGDB 1045 1046config PNX8550 1047 bool 1048 select SOC_PNX8550 1049 1050config SOC_PNX8550 1051 bool 1052 select DMA_NONCOHERENT 1053 select HW_HAS_PCI 1054 select SYS_HAS_CPU_MIPS32_R1 1055 select SYS_HAS_EARLY_PRINTK 1056 select SYS_SUPPORTS_32BIT_KERNEL 1057 select GENERIC_HARDIRQS_NO__DO_IRQ 1058 select SYS_SUPPORTS_KGDB 1059 1060config SWAP_IO_SPACE 1061 bool 1062 1063config EMMA2RH 1064 bool 1065 depends on MARKEINS 1066 default y 1067 1068config SERIAL_RM9000 1069 bool 1070 1071config GPI_RM9000 1072 bool 1073 1074config WDT_RM9000 1075 bool 1076 1077# 1078# Unfortunately not all GT64120 systems run the chip at the same clock. 1079# As the user for the clock rate and try to minimize the available options. 1080# 1081choice 1082 prompt "Galileo Chip Clock" 1083 #default SYSCLK_83 if MIPS_EV64120 1084 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1085 default SYSCLK_83 if MIPS_EV64120 1086 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 1087 1088config SYSCLK_75 1089 bool "75" if MIPS_EV64120 1090 1091config SYSCLK_83 1092 bool "83.3" if MIPS_EV64120 1093 1094config SYSCLK_100 1095 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1096 1097endchoice 1098 1099config ARC32 1100 bool 1101 1102config BOOT_ELF32 1103 bool 1104 1105config MIPS_L1_CACHE_SHIFT 1106 int 1107 default "4" if MACH_DECSTATION || SNI_RM 1108 default "7" if SGI_IP27 1109 default "5" 1110 1111config HAVE_STD_PC_SERIAL_PORT 1112 bool 1113 1114config ARC_CONSOLE 1115 bool "ARC console support" 1116 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 1117 1118config ARC_MEMORY 1119 bool 1120 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1121 default y 1122 1123config ARC_PROMLIB 1124 bool 1125 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 1126 default y 1127 1128config ARC64 1129 bool 1130 1131config BOOT_ELF64 1132 bool 1133 1134config TOSHIBA_BOARDS 1135 bool 1136 1137menu "CPU selection" 1138 1139choice 1140 prompt "CPU type" 1141 default CPU_R4X00 1142 1143config CPU_MIPS32_R1 1144 bool "MIPS32 Release 1" 1145 depends on SYS_HAS_CPU_MIPS32_R1 1146 select CPU_HAS_LLSC 1147 select CPU_HAS_PREFETCH 1148 select CPU_SUPPORTS_32BIT_KERNEL 1149 select CPU_SUPPORTS_HIGHMEM 1150 help 1151 Choose this option to build a kernel for release 1 or later of the 1152 MIPS32 architecture. Most modern embedded systems with a 32-bit 1153 MIPS processor are based on a MIPS32 processor. If you know the 1154 specific type of processor in your system, choose those that one 1155 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1156 Release 2 of the MIPS32 architecture is available since several 1157 years so chances are you even have a MIPS32 Release 2 processor 1158 in which case you should choose CPU_MIPS32_R2 instead for better 1159 performance. 1160 1161config CPU_MIPS32_R2 1162 bool "MIPS32 Release 2" 1163 depends on SYS_HAS_CPU_MIPS32_R2 1164 select CPU_HAS_LLSC 1165 select CPU_HAS_PREFETCH 1166 select CPU_SUPPORTS_32BIT_KERNEL 1167 select CPU_SUPPORTS_HIGHMEM 1168 help 1169 Choose this option to build a kernel for release 2 or later of the 1170 MIPS32 architecture. Most modern embedded systems with a 32-bit 1171 MIPS processor are based on a MIPS32 processor. If you know the 1172 specific type of processor in your system, choose those that one 1173 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1174 1175config CPU_MIPS64_R1 1176 bool "MIPS64 Release 1" 1177 depends on SYS_HAS_CPU_MIPS64_R1 1178 select CPU_HAS_LLSC 1179 select CPU_HAS_PREFETCH 1180 select CPU_SUPPORTS_32BIT_KERNEL 1181 select CPU_SUPPORTS_64BIT_KERNEL 1182 select CPU_SUPPORTS_HIGHMEM 1183 help 1184 Choose this option to build a kernel for release 1 or later of the 1185 MIPS64 architecture. Many modern embedded systems with a 64-bit 1186 MIPS processor are based on a MIPS64 processor. If you know the 1187 specific type of processor in your system, choose those that one 1188 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1189 Release 2 of the MIPS64 architecture is available since several 1190 years so chances are you even have a MIPS64 Release 2 processor 1191 in which case you should choose CPU_MIPS64_R2 instead for better 1192 performance. 1193 1194config CPU_MIPS64_R2 1195 bool "MIPS64 Release 2" 1196 depends on SYS_HAS_CPU_MIPS64_R2 1197 select CPU_HAS_LLSC 1198 select CPU_HAS_PREFETCH 1199 select CPU_SUPPORTS_32BIT_KERNEL 1200 select CPU_SUPPORTS_64BIT_KERNEL 1201 select CPU_SUPPORTS_HIGHMEM 1202 help 1203 Choose this option to build a kernel for release 2 or later of the 1204 MIPS64 architecture. Many modern embedded systems with a 64-bit 1205 MIPS processor are based on a MIPS64 processor. If you know the 1206 specific type of processor in your system, choose those that one 1207 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1208 1209config CPU_R3000 1210 bool "R3000" 1211 depends on SYS_HAS_CPU_R3000 1212 select CPU_HAS_WB 1213 select CPU_SUPPORTS_32BIT_KERNEL 1214 select CPU_SUPPORTS_HIGHMEM 1215 help 1216 Please make sure to pick the right CPU type. Linux/MIPS is not 1217 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1218 *not* work on R4000 machines and vice versa. However, since most 1219 of the supported machines have an R4000 (or similar) CPU, R4x00 1220 might be a safe bet. If the resulting kernel does not work, 1221 try to recompile with R3000. 1222 1223config CPU_TX39XX 1224 bool "R39XX" 1225 depends on SYS_HAS_CPU_TX39XX 1226 select CPU_SUPPORTS_32BIT_KERNEL 1227 1228config CPU_VR41XX 1229 bool "R41xx" 1230 depends on SYS_HAS_CPU_VR41XX 1231 select CPU_SUPPORTS_32BIT_KERNEL 1232 select CPU_SUPPORTS_64BIT_KERNEL 1233 help 1234 The options selects support for the NEC VR4100 series of processors. 1235 Only choose this option if you have one of these processors as a 1236 kernel built with this option will not run on any other type of 1237 processor or vice versa. 1238 1239config CPU_R4300 1240 bool "R4300" 1241 depends on SYS_HAS_CPU_R4300 1242 select CPU_HAS_LLSC 1243 select CPU_SUPPORTS_32BIT_KERNEL 1244 select CPU_SUPPORTS_64BIT_KERNEL 1245 help 1246 MIPS Technologies R4300-series processors. 1247 1248config CPU_R4X00 1249 bool "R4x00" 1250 depends on SYS_HAS_CPU_R4X00 1251 select CPU_HAS_LLSC 1252 select CPU_SUPPORTS_32BIT_KERNEL 1253 select CPU_SUPPORTS_64BIT_KERNEL 1254 help 1255 MIPS Technologies R4000-series processors other than 4300, including 1256 the R4000, R4400, R4600, and 4700. 1257 1258config CPU_TX49XX 1259 bool "R49XX" 1260 depends on SYS_HAS_CPU_TX49XX 1261 select CPU_HAS_LLSC 1262 select CPU_HAS_PREFETCH 1263 select CPU_SUPPORTS_32BIT_KERNEL 1264 select CPU_SUPPORTS_64BIT_KERNEL 1265 1266config CPU_R5000 1267 bool "R5000" 1268 depends on SYS_HAS_CPU_R5000 1269 select CPU_HAS_LLSC 1270 select CPU_SUPPORTS_32BIT_KERNEL 1271 select CPU_SUPPORTS_64BIT_KERNEL 1272 help 1273 MIPS Technologies R5000-series processors other than the Nevada. 1274 1275config CPU_R5432 1276 bool "R5432" 1277 depends on SYS_HAS_CPU_R5432 1278 select CPU_HAS_LLSC 1279 select CPU_SUPPORTS_32BIT_KERNEL 1280 select CPU_SUPPORTS_64BIT_KERNEL 1281 1282config CPU_R6000 1283 bool "R6000" 1284 depends on EXPERIMENTAL 1285 select CPU_HAS_LLSC 1286 depends on SYS_HAS_CPU_R6000 1287 select CPU_SUPPORTS_32BIT_KERNEL 1288 help 1289 MIPS Technologies R6000 and R6000A series processors. Note these 1290 processors are extremely rare and the support for them is incomplete. 1291 1292config CPU_NEVADA 1293 bool "RM52xx" 1294 depends on SYS_HAS_CPU_NEVADA 1295 select CPU_HAS_LLSC 1296 select CPU_SUPPORTS_32BIT_KERNEL 1297 select CPU_SUPPORTS_64BIT_KERNEL 1298 help 1299 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1300 1301config CPU_R8000 1302 bool "R8000" 1303 depends on EXPERIMENTAL 1304 depends on SYS_HAS_CPU_R8000 1305 select CPU_HAS_LLSC 1306 select CPU_HAS_PREFETCH 1307 select CPU_SUPPORTS_64BIT_KERNEL 1308 help 1309 MIPS Technologies R8000 processors. Note these processors are 1310 uncommon and the support for them is incomplete. 1311 1312config CPU_R10000 1313 bool "R10000" 1314 depends on SYS_HAS_CPU_R10000 1315 select CPU_HAS_LLSC 1316 select CPU_HAS_PREFETCH 1317 select CPU_SUPPORTS_32BIT_KERNEL 1318 select CPU_SUPPORTS_64BIT_KERNEL 1319 select CPU_SUPPORTS_HIGHMEM 1320 help 1321 MIPS Technologies R10000-series processors. 1322 1323config CPU_RM7000 1324 bool "RM7000" 1325 depends on SYS_HAS_CPU_RM7000 1326 select CPU_HAS_LLSC 1327 select CPU_HAS_PREFETCH 1328 select CPU_SUPPORTS_32BIT_KERNEL 1329 select CPU_SUPPORTS_64BIT_KERNEL 1330 select CPU_SUPPORTS_HIGHMEM 1331 1332config CPU_RM9000 1333 bool "RM9000" 1334 depends on SYS_HAS_CPU_RM9000 1335 select CPU_HAS_LLSC 1336 select CPU_HAS_PREFETCH 1337 select CPU_SUPPORTS_32BIT_KERNEL 1338 select CPU_SUPPORTS_64BIT_KERNEL 1339 select CPU_SUPPORTS_HIGHMEM 1340 select WEAK_ORDERING 1341 1342config CPU_SB1 1343 bool "SB1" 1344 depends on SYS_HAS_CPU_SB1 1345 select CPU_HAS_LLSC 1346 select CPU_SUPPORTS_32BIT_KERNEL 1347 select CPU_SUPPORTS_64BIT_KERNEL 1348 select CPU_SUPPORTS_HIGHMEM 1349 select WEAK_ORDERING 1350 1351endchoice 1352 1353config SYS_HAS_CPU_MIPS32_R1 1354 bool 1355 1356config SYS_HAS_CPU_MIPS32_R2 1357 bool 1358 1359config SYS_HAS_CPU_MIPS64_R1 1360 bool 1361 1362config SYS_HAS_CPU_MIPS64_R2 1363 bool 1364 1365config SYS_HAS_CPU_R3000 1366 bool 1367 1368config SYS_HAS_CPU_TX39XX 1369 bool 1370 1371config SYS_HAS_CPU_VR41XX 1372 bool 1373 1374config SYS_HAS_CPU_R4300 1375 bool 1376 1377config SYS_HAS_CPU_R4X00 1378 bool 1379 1380config SYS_HAS_CPU_TX49XX 1381 bool 1382 1383config SYS_HAS_CPU_R5000 1384 bool 1385 1386config SYS_HAS_CPU_R5432 1387 bool 1388 1389config SYS_HAS_CPU_R6000 1390 bool 1391 1392config SYS_HAS_CPU_NEVADA 1393 bool 1394 1395config SYS_HAS_CPU_R8000 1396 bool 1397 1398config SYS_HAS_CPU_R10000 1399 bool 1400 1401config SYS_HAS_CPU_RM7000 1402 bool 1403 1404config SYS_HAS_CPU_RM9000 1405 bool 1406 1407config SYS_HAS_CPU_SB1 1408 bool 1409 1410config WEAK_ORDERING 1411 bool 1412endmenu 1413 1414# 1415# These two indicate any level of the MIPS32 and MIPS64 architecture 1416# 1417config CPU_MIPS32 1418 bool 1419 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1420 1421config CPU_MIPS64 1422 bool 1423 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1424 1425# 1426# These two indicate the revision of the architecture, either Release 1 or Release 2 1427# 1428config CPU_MIPSR1 1429 bool 1430 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1431 1432config CPU_MIPSR2 1433 bool 1434 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1435 1436config SYS_SUPPORTS_32BIT_KERNEL 1437 bool 1438config SYS_SUPPORTS_64BIT_KERNEL 1439 bool 1440config CPU_SUPPORTS_32BIT_KERNEL 1441 bool 1442config CPU_SUPPORTS_64BIT_KERNEL 1443 bool 1444 1445menu "Kernel type" 1446 1447choice 1448 1449 prompt "Kernel code model" 1450 help 1451 You should only select this option if you have a workload that 1452 actually benefits from 64-bit processing or if your machine has 1453 large memory. You will only be presented a single option in this 1454 menu if your system does not support both 32-bit and 64-bit kernels. 1455 1456config 32BIT 1457 bool "32-bit kernel" 1458 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1459 select TRAD_SIGNALS 1460 help 1461 Select this option if you want to build a 32-bit kernel. 1462config 64BIT 1463 bool "64-bit kernel" 1464 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1465 help 1466 Select this option if you want to build a 64-bit kernel. 1467 1468endchoice 1469 1470choice 1471 prompt "Kernel page size" 1472 default PAGE_SIZE_4KB 1473 1474config PAGE_SIZE_4KB 1475 bool "4kB" 1476 help 1477 This option select the standard 4kB Linux page size. On some 1478 R3000-family processors this is the only available page size. Using 1479 4kB page size will minimize memory consumption and is therefore 1480 recommended for low memory systems. 1481 1482config PAGE_SIZE_8KB 1483 bool "8kB" 1484 depends on EXPERIMENTAL && CPU_R8000 1485 help 1486 Using 8kB page size will result in higher performance kernel at 1487 the price of higher memory consumption. This option is available 1488 only on the R8000 processor. Not that at the time of this writing 1489 this option is still high experimental; there are also issues with 1490 compatibility of user applications. 1491 1492config PAGE_SIZE_16KB 1493 bool "16kB" 1494 depends on !CPU_R3000 && !CPU_TX39XX 1495 help 1496 Using 16kB page size will result in higher performance kernel at 1497 the price of higher memory consumption. This option is available on 1498 all non-R3000 family processors. Note that you will need a suitable 1499 Linux distribution to support this. 1500 1501config PAGE_SIZE_64KB 1502 bool "64kB" 1503 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1504 help 1505 Using 64kB page size will result in higher performance kernel at 1506 the price of higher memory consumption. This option is available on 1507 all non-R3000 family processor. Not that at the time of this 1508 writing this option is still high experimental. 1509 1510endchoice 1511 1512config BOARD_SCACHE 1513 bool 1514 1515config IP22_CPU_SCACHE 1516 bool 1517 select BOARD_SCACHE 1518 1519# 1520# Support for a MIPS32 / MIPS64 style S-caches 1521# 1522config MIPS_CPU_SCACHE 1523 bool 1524 select BOARD_SCACHE 1525 1526config R5000_CPU_SCACHE 1527 bool 1528 select BOARD_SCACHE 1529 1530config RM7000_CPU_SCACHE 1531 bool 1532 select BOARD_SCACHE 1533 1534config SIBYTE_DMA_PAGEOPS 1535 bool "Use DMA to clear/copy pages" 1536 depends on CPU_SB1 1537 help 1538 Instead of using the CPU to zero and copy pages, use a Data Mover 1539 channel. These DMA channels are otherwise unused by the standard 1540 SiByte Linux port. Seems to give a small performance benefit. 1541 1542config CPU_HAS_PREFETCH 1543 bool 1544 1545choice 1546 prompt "MIPS MT options" 1547 1548config MIPS_MT_DISABLED 1549 bool "Disable multithreading support." 1550 help 1551 Use this option if your workload can't take advantage of 1552 MIPS hardware multithreading support. On systems that don't have 1553 the option of an MT-enabled processor this option will be the only 1554 option in this menu. 1555 1556config MIPS_MT_SMP 1557 bool "Use 1 TC on each available VPE for SMP" 1558 depends on SYS_SUPPORTS_MULTITHREADING 1559 select CPU_MIPSR2_IRQ_VI 1560 select CPU_MIPSR2_SRS 1561 select MIPS_MT 1562 select SMP 1563 select SYS_SUPPORTS_SMP 1564 help 1565 This is a kernel model which is also known a VSMP or lately 1566 has been marketesed into SMVP. 1567 1568config MIPS_MT_SMTC 1569 bool "SMTC: Use all TCs on all VPEs for SMP" 1570 depends on CPU_MIPS32_R2 1571 #depends on CPU_MIPS64_R2 # once there is hardware ... 1572 depends on SYS_SUPPORTS_MULTITHREADING 1573 select CPU_MIPSR2_IRQ_VI 1574 select CPU_MIPSR2_SRS 1575 select MIPS_MT 1576 select NR_CPUS_DEFAULT_2 1577 select NR_CPUS_DEFAULT_8 1578 select SMP 1579 select SYS_SUPPORTS_SMP 1580 help 1581 This is a kernel model which is known a SMTC or lately has been 1582 marketesed into SMVP. 1583 1584config MIPS_VPE_LOADER 1585 bool "VPE loader support." 1586 depends on SYS_SUPPORTS_MULTITHREADING 1587 select MIPS_MT 1588 help 1589 Includes a loader for loading an elf relocatable object 1590 onto another VPE and running it. 1591 1592endchoice 1593 1594config MIPS_MT 1595 bool 1596 1597config SYS_SUPPORTS_MULTITHREADING 1598 bool 1599 1600config MIPS_MT_FPAFF 1601 bool "Dynamic FPU affinity for FP-intensive threads" 1602 depends on MIPS_MT 1603 default y 1604 1605config MIPS_MT_SMTC_INSTANT_REPLAY 1606 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1607 depends on MIPS_MT_SMTC 1608 default y 1609 help 1610 SMTC pseudo-interrupts between TCs are deferred and queued 1611 if the target TC is interrupt-inhibited (IXMT). In the first 1612 SMTC prototypes, these queued IPIs were serviced on return 1613 to user mode, or on entry into the kernel idle loop. The 1614 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1615 processing, which adds runtime overhead (hence the option to turn 1616 it off), but ensures that IPIs are handled promptly even under 1617 heavy I/O interrupt load. 1618 1619config MIPS_VPE_LOADER_TOM 1620 bool "Load VPE program into memory hidden from linux" 1621 depends on MIPS_VPE_LOADER 1622 default y 1623 help 1624 The loader can use memory that is present but has been hidden from 1625 Linux using the kernel command line option "mem=xxMB". It's up to 1626 you to ensure the amount you put in the option and the space your 1627 program requires is less or equal to the amount physically present. 1628 1629# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1630config MIPS_VPE_APSP_API 1631 bool "Enable support for AP/SP API (RTLX)" 1632 depends on MIPS_VPE_LOADER 1633 help 1634 1635config MIPS_APSP_KSPD 1636 bool "Enable KSPD" 1637 depends on MIPS_VPE_APSP_API 1638 default y 1639 help 1640 KSPD is a kernel daemon that accepts syscall requests from the SP 1641 side, actions them and returns the results. It also handles the 1642 "exit" syscall notifying other kernel modules the SP program is 1643 exiting. You probably want to say yes here. 1644 1645config SB1_PASS_1_WORKAROUNDS 1646 bool 1647 depends on CPU_SB1_PASS_1 1648 default y 1649 1650config SB1_PASS_2_WORKAROUNDS 1651 bool 1652 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1653 default y 1654 1655config SB1_PASS_2_1_WORKAROUNDS 1656 bool 1657 depends on CPU_SB1 && CPU_SB1_PASS_2 1658 default y 1659 1660config 64BIT_PHYS_ADDR 1661 bool "Support for 64-bit physical address space" 1662 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1663 1664config CPU_HAS_LLSC 1665 bool 1666 1667config CPU_HAS_SMARTMIPS 1668 depends on SYS_SUPPORTS_SMARTMIPS 1669 bool "Support for the SmartMIPS ASE" 1670 help 1671 SmartMIPS is a extension of the MIPS32 architecture aimed at 1672 increased security at both hardware and software level for 1673 smartcards. Enabling this option will allow proper use of the 1674 SmartMIPS instructions by Linux applications. However a kernel with 1675 this option will not work on a MIPS core without SmartMIPS core. If 1676 you don't know you probably don't have SmartMIPS and should say N 1677 here. 1678 1679config CPU_HAS_WB 1680 bool 1681 1682# 1683# Vectored interrupt mode is an R2 feature 1684# 1685config CPU_MIPSR2_IRQ_VI 1686 bool 1687 1688# 1689# Extended interrupt mode is an R2 feature 1690# 1691config CPU_MIPSR2_IRQ_EI 1692 bool 1693 1694# 1695# Shadow registers are an R2 feature 1696# 1697config CPU_MIPSR2_SRS 1698 bool 1699 1700config CPU_HAS_SYNC 1701 bool 1702 depends on !CPU_R3000 1703 default y 1704 1705# 1706# Use the generic interrupt handling code in kernel/irq/: 1707# 1708config GENERIC_HARDIRQS 1709 bool 1710 default y 1711 1712config GENERIC_IRQ_PROBE 1713 bool 1714 default y 1715 1716config IRQ_PER_CPU 1717 bool 1718 1719# 1720# - Highmem only makes sense for the 32-bit kernel. 1721# - The current highmem code will only work properly on physically indexed 1722# caches such as R3000, SB1, R7000 or those that look like they're virtually 1723# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1724# moment we protect the user and offer the highmem option only on machines 1725# where it's known to be safe. This will not offer highmem on a few systems 1726# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1727# indexed CPUs but we're playing safe. 1728# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1729# know they might have memory configurations that could make use of highmem 1730# support. 1731# 1732config HIGHMEM 1733 bool "High Memory Support" 1734 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1735 1736config CPU_SUPPORTS_HIGHMEM 1737 bool 1738 1739config SYS_SUPPORTS_HIGHMEM 1740 bool 1741 1742config SYS_SUPPORTS_SMARTMIPS 1743 bool 1744 1745config ARCH_FLATMEM_ENABLE 1746 def_bool y 1747 depends on !NUMA 1748 1749config ARCH_DISCONTIGMEM_ENABLE 1750 bool 1751 default y if SGI_IP27 1752 help 1753 Say Y to upport efficient handling of discontiguous physical memory, 1754 for architectures which are either NUMA (Non-Uniform Memory Access) 1755 or have huge holes in the physical address space for other reasons. 1756 See <file:Documentation/vm/numa> for more. 1757 1758config ARCH_SPARSEMEM_ENABLE 1759 bool 1760 select SPARSEMEM_STATIC 1761 1762config NUMA 1763 bool "NUMA Support" 1764 depends on SYS_SUPPORTS_NUMA 1765 help 1766 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1767 Access). This option improves performance on systems with more 1768 than two nodes; on two node systems it is generally better to 1769 leave it disabled; on single node systems disable this option 1770 disabled. 1771 1772config SYS_SUPPORTS_NUMA 1773 bool 1774 1775config NODES_SHIFT 1776 int 1777 default "6" 1778 depends on NEED_MULTIPLE_NODES 1779 1780source "mm/Kconfig" 1781 1782config SMP 1783 bool "Multi-Processing support" 1784 depends on SYS_SUPPORTS_SMP 1785 select IRQ_PER_CPU 1786 help 1787 This enables support for systems with more than one CPU. If you have 1788 a system with only one CPU, like most personal computers, say N. If 1789 you have a system with more than one CPU, say Y. 1790 1791 If you say N here, the kernel will run on single and multiprocessor 1792 machines, but will use only one CPU of a multiprocessor machine. If 1793 you say Y here, the kernel will run on many, but not all, 1794 singleprocessor machines. On a singleprocessor machine, the kernel 1795 will run faster if you say N here. 1796 1797 People using multiprocessor machines who say Y here should also say 1798 Y to "Enhanced Real Time Clock Support", below. 1799 1800 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1801 available at <http://www.tldp.org/docs.html#howto>. 1802 1803 If you don't know what to do here, say N. 1804 1805config SYS_SUPPORTS_SMP 1806 bool 1807 1808config NR_CPUS_DEFAULT_2 1809 bool 1810 1811config NR_CPUS_DEFAULT_4 1812 bool 1813 1814config NR_CPUS_DEFAULT_8 1815 bool 1816 1817config NR_CPUS_DEFAULT_16 1818 bool 1819 1820config NR_CPUS_DEFAULT_32 1821 bool 1822 1823config NR_CPUS_DEFAULT_64 1824 bool 1825 1826config NR_CPUS 1827 int "Maximum number of CPUs (2-64)" 1828 range 2 64 1829 depends on SMP 1830 default "2" if NR_CPUS_DEFAULT_2 1831 default "4" if NR_CPUS_DEFAULT_4 1832 default "8" if NR_CPUS_DEFAULT_8 1833 default "16" if NR_CPUS_DEFAULT_16 1834 default "32" if NR_CPUS_DEFAULT_32 1835 default "64" if NR_CPUS_DEFAULT_64 1836 help 1837 This allows you to specify the maximum number of CPUs which this 1838 kernel will support. The maximum supported value is 32 for 32-bit 1839 kernel and 64 for 64-bit kernels; the minimum value which makes 1840 sense is 2. 1841 1842 This is purely to save memory - each supported CPU adds 1843 approximately eight kilobytes to the kernel image. 1844 1845# 1846# Timer Interrupt Frequency Configuration 1847# 1848 1849choice 1850 prompt "Timer frequency" 1851 default HZ_250 1852 help 1853 Allows the configuration of the timer frequency. 1854 1855 config HZ_48 1856 bool "48 HZ" if SYS_SUPPORTS_48HZ 1857 1858 config HZ_100 1859 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1860 1861 config HZ_128 1862 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1863 1864 config HZ_250 1865 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1866 1867 config HZ_256 1868 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1869 1870 config HZ_1000 1871 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1872 1873 config HZ_1024 1874 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1875 1876endchoice 1877 1878config SYS_SUPPORTS_48HZ 1879 bool 1880 1881config SYS_SUPPORTS_100HZ 1882 bool 1883 1884config SYS_SUPPORTS_128HZ 1885 bool 1886 1887config SYS_SUPPORTS_250HZ 1888 bool 1889 1890config SYS_SUPPORTS_256HZ 1891 bool 1892 1893config SYS_SUPPORTS_1000HZ 1894 bool 1895 1896config SYS_SUPPORTS_1024HZ 1897 bool 1898 1899config SYS_SUPPORTS_ARBIT_HZ 1900 bool 1901 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1902 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1903 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1904 !SYS_SUPPORTS_1024HZ 1905 1906config HZ 1907 int 1908 default 48 if HZ_48 1909 default 100 if HZ_100 1910 default 128 if HZ_128 1911 default 250 if HZ_250 1912 default 256 if HZ_256 1913 default 1000 if HZ_1000 1914 default 1024 if HZ_1024 1915 1916source "kernel/Kconfig.preempt" 1917 1918config MIPS_INSANE_LARGE 1919 bool "Support for large 64-bit configurations" 1920 depends on CPU_R10000 && 64BIT 1921 help 1922 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1923 previous 64-bit processors which only supported 40 bit / 1TB. If you 1924 need processes of more than 1TB virtual address space, say Y here. 1925 This will result in additional memory usage, so it is not 1926 recommended for normal users. 1927 1928config KEXEC 1929 bool "Kexec system call (EXPERIMENTAL)" 1930 depends on EXPERIMENTAL 1931 help 1932 kexec is a system call that implements the ability to shutdown your 1933 current kernel, and to start another kernel. It is like a reboot 1934 but it is indepedent of the system firmware. And like a reboot 1935 you can start any kernel with it, not just Linux. 1936 1937 The name comes from the similiarity to the exec system call. 1938 1939 It is an ongoing process to be certain the hardware in a machine 1940 is properly shutdown, so do not be surprised if this code does not 1941 initially work for you. It may help to enable device hotplugging 1942 support. As of this writing the exact hardware interface is 1943 strongly in flux, so no good recommendation can be made. 1944 1945config SECCOMP 1946 bool "Enable seccomp to safely compute untrusted bytecode" 1947 depends on PROC_FS && BROKEN 1948 default y 1949 help 1950 This kernel feature is useful for number crunching applications 1951 that may need to compute untrusted bytecode during their 1952 execution. By using pipes or other transports made available to 1953 the process as file descriptors supporting the read/write 1954 syscalls, it's possible to isolate those applications in 1955 their own address space using seccomp. Once seccomp is 1956 enabled via /proc/<pid>/seccomp, it cannot be disabled 1957 and the task is only allowed to execute a few safe syscalls 1958 defined by each seccomp mode. 1959 1960 If unsure, say Y. Only embedded should say N here. 1961 1962endmenu 1963 1964config RWSEM_GENERIC_SPINLOCK 1965 bool 1966 default y 1967 1968config LOCKDEP_SUPPORT 1969 bool 1970 default y 1971 1972config STACKTRACE_SUPPORT 1973 bool 1974 default y 1975 1976source "init/Kconfig" 1977 1978menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1979 1980config HW_HAS_EISA 1981 bool 1982config HW_HAS_PCI 1983 bool 1984 1985config PCI 1986 bool "Support for PCI controller" 1987 depends on HW_HAS_PCI 1988 help 1989 Find out whether you have a PCI motherboard. PCI is the name of a 1990 bus system, i.e. the way the CPU talks to the other stuff inside 1991 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1992 say Y, otherwise N. 1993 1994 The PCI-HOWTO, available from 1995 <http://www.tldp.org/docs.html#howto>, contains valuable 1996 information about which PCI hardware does work under Linux and which 1997 doesn't. 1998 1999config PCI_DOMAINS 2000 bool 2001 depends on PCI 2002 2003source "drivers/pci/Kconfig" 2004 2005# 2006# ISA support is now enabled via select. Too many systems still have the one 2007# or other ISA chip on the board that users don't know about so don't expect 2008# users to choose the right thing ... 2009# 2010config ISA 2011 bool 2012 2013config EISA 2014 bool "EISA support" 2015 depends on HW_HAS_EISA 2016 select ISA 2017 select GENERIC_ISA_DMA 2018 ---help--- 2019 The Extended Industry Standard Architecture (EISA) bus was 2020 developed as an open alternative to the IBM MicroChannel bus. 2021 2022 The EISA bus provided some of the features of the IBM MicroChannel 2023 bus while maintaining backward compatibility with cards made for 2024 the older ISA bus. The EISA bus saw limited use between 1988 and 2025 1995 when it was made obsolete by the PCI bus. 2026 2027 Say Y here if you are building a kernel for an EISA-based machine. 2028 2029 Otherwise, say N. 2030 2031source "drivers/eisa/Kconfig" 2032 2033config TC 2034 bool "TURBOchannel support" 2035 depends on MACH_DECSTATION 2036 help 2037 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2038 processors. Documentation on writing device drivers for TurboChannel 2039 is available at: 2040 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2041 2042#config ACCESSBUS 2043# bool "Access.Bus support" 2044# depends on TC 2045 2046config MMU 2047 bool 2048 default y 2049 2050config I8253 2051 bool 2052 2053source "drivers/pcmcia/Kconfig" 2054 2055source "drivers/pci/hotplug/Kconfig" 2056 2057endmenu 2058 2059menu "Executable file formats" 2060 2061source "fs/Kconfig.binfmt" 2062 2063config TRAD_SIGNALS 2064 bool 2065 2066config BUILD_ELF64 2067 bool "Use 64-bit ELF format for building" 2068 depends on 64BIT 2069 help 2070 A 64-bit kernel is usually built using the 64-bit ELF binary object 2071 format as it's one that allows arbitrary 64-bit constructs. For 2072 kernels that are loaded within the KSEG compatibility segments the 2073 32-bit ELF format can optionally be used resulting in a somewhat 2074 smaller binary, but this option is not explicitly supported by the 2075 toolchain and since binutils 2.14 it does not even work at all. 2076 2077 Say Y to use the 64-bit format or N to use the 32-bit one. 2078 2079 If unsure say Y. 2080 2081config BINFMT_IRIX 2082 bool "Include IRIX binary compatibility" 2083 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2084 2085config MIPS32_COMPAT 2086 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2087 depends on 64BIT 2088 help 2089 Select this option if you want Linux/MIPS 32-bit binary 2090 compatibility. Since all software available for Linux/MIPS is 2091 currently 32-bit you should say Y here. 2092 2093config COMPAT 2094 bool 2095 depends on MIPS32_COMPAT 2096 default y 2097 2098config SYSVIPC_COMPAT 2099 bool 2100 depends on COMPAT && SYSVIPC 2101 default y 2102 2103config MIPS32_O32 2104 bool "Kernel support for o32 binaries" 2105 depends on MIPS32_COMPAT 2106 help 2107 Select this option if you want to run o32 binaries. These are pure 2108 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2109 existing binaries are in this format. 2110 2111 If unsure, say Y. 2112 2113config MIPS32_N32 2114 bool "Kernel support for n32 binaries" 2115 depends on MIPS32_COMPAT 2116 help 2117 Select this option if you want to run n32 binaries. These are 2118 64-bit binaries using 32-bit quantities for addressing and certain 2119 data that would normally be 64-bit. They are used in special 2120 cases. 2121 2122 If unsure, say N. 2123 2124config BINFMT_ELF32 2125 bool 2126 default y if MIPS32_O32 || MIPS32_N32 2127 2128endmenu 2129 2130menu "Power management options" 2131 2132source "kernel/power/Kconfig" 2133 2134endmenu 2135 2136source "net/Kconfig" 2137 2138source "drivers/Kconfig" 2139 2140source "fs/Kconfig" 2141 2142source "arch/mips/oprofile/Kconfig" 2143 2144source "arch/mips/Kconfig.debug" 2145 2146source "security/Kconfig" 2147 2148source "crypto/Kconfig" 2149 2150source "lib/Kconfig" 2151