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_SUPPORTS_32BIT_KERNEL 171 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 172 select SYS_SUPPORTS_LITTLE_ENDIAN 173 select GENERIC_HARDIRQS_NO__DO_IRQ 174 175config MACH_DECSTATION 176 bool "DECstations" 177 select BOOT_ELF32 178 select DMA_NONCOHERENT 179 select SYS_HAS_EARLY_PRINTK 180 select IRQ_CPU 181 select SYS_HAS_CPU_R3000 182 select SYS_HAS_CPU_R4X00 183 select SYS_SUPPORTS_32BIT_KERNEL 184 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 185 select SYS_SUPPORTS_LITTLE_ENDIAN 186 select SYS_SUPPORTS_128HZ 187 select SYS_SUPPORTS_256HZ 188 select SYS_SUPPORTS_1024HZ 189 help 190 This enables support for DEC's MIPS based workstations. For details 191 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 192 DECstation porting pages on <http://decstation.unix-ag.org/>. 193 194 If you have one of the following DECstation Models you definitely 195 want to choose R4xx0 for the CPU Type: 196 197 DECstation 5000/50 198 DECstation 5000/150 199 DECstation 5000/260 200 DECsystem 5900/260 201 202 otherwise choose R3000. 203 204config MIPS_EV64120 205 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)" 206 depends on EXPERIMENTAL 207 select DMA_NONCOHERENT 208 select HW_HAS_PCI 209 select MIPS_GT64120 210 select SYS_HAS_CPU_R5000 211 select SYS_SUPPORTS_32BIT_KERNEL 212 select SYS_SUPPORTS_64BIT_KERNEL 213 select SYS_SUPPORTS_BIG_ENDIAN 214 select SYS_SUPPORTS_KGDB 215 help 216 This is an evaluation board based on the Galileo GT-64120 217 single-chip system controller that contains a MIPS R5000 compatible 218 core running at 75/100MHz. Their website is located at 219 <http://www.marvell.com/>. Say Y here if you wish to build a 220 kernel for this platform. 221 222config MACH_JAZZ 223 bool "Jazz family of machines" 224 select ARC 225 select ARC32 226 select ARCH_MAY_HAVE_PC_FDC 227 select GENERIC_ISA_DMA 228 select I8253 229 select I8259 230 select ISA 231 select SYS_HAS_CPU_R4X00 232 select SYS_SUPPORTS_32BIT_KERNEL 233 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 234 select SYS_SUPPORTS_100HZ 235 select GENERIC_HARDIRQS_NO__DO_IRQ 236 help 237 This a family of machines based on the MIPS R4030 chipset which was 238 used by several vendors to build RISC/os and Windows NT workstations. 239 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 240 Olivetti M700-10 workstations. 241 242config LASAT 243 bool "LASAT Networks platforms" 244 select DMA_NONCOHERENT 245 select SYS_HAS_EARLY_PRINTK 246 select HW_HAS_PCI 247 select MIPS_GT64120 248 select MIPS_NILE4 249 select R5000_CPU_SCACHE 250 select SYS_HAS_CPU_R5000 251 select SYS_SUPPORTS_32BIT_KERNEL 252 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 253 select SYS_SUPPORTS_LITTLE_ENDIAN 254 select GENERIC_HARDIRQS_NO__DO_IRQ 255 256config MIPS_ATLAS 257 bool "MIPS Atlas board" 258 select BOOT_ELF32 259 select DMA_NONCOHERENT 260 select SYS_HAS_EARLY_PRINTK 261 select IRQ_CPU 262 select HW_HAS_PCI 263 select MIPS_BOARDS_GEN 264 select MIPS_BONITO64 265 select MIPS_GT64120 266 select MIPS_MSC 267 select RM7000_CPU_SCACHE 268 select SWAP_IO_SPACE 269 select SYS_HAS_CPU_MIPS32_R1 270 select SYS_HAS_CPU_MIPS32_R2 271 select SYS_HAS_CPU_MIPS64_R1 272 select SYS_HAS_CPU_NEVADA 273 select SYS_HAS_CPU_RM7000 274 select SYS_SUPPORTS_32BIT_KERNEL 275 select SYS_SUPPORTS_64BIT_KERNEL 276 select SYS_SUPPORTS_BIG_ENDIAN 277 select SYS_SUPPORTS_LITTLE_ENDIAN 278 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 279 select SYS_SUPPORTS_SMARTMIPS 280 select GENERIC_HARDIRQS_NO__DO_IRQ 281 help 282 This enables support for the MIPS Technologies Atlas evaluation 283 board. 284 285config MIPS_MALTA 286 bool "MIPS Malta board" 287 select ARCH_MAY_HAVE_PC_FDC 288 select BOOT_ELF32 289 select HAVE_STD_PC_SERIAL_PORT 290 select DMA_NONCOHERENT 291 select GENERIC_ISA_DMA 292 select IRQ_CPU 293 select HW_HAS_PCI 294 select I8259 295 select MIPS_BOARDS_GEN 296 select MIPS_BONITO64 297 select MIPS_CPU_SCACHE 298 select MIPS_GT64120 299 select MIPS_MSC 300 select SWAP_IO_SPACE 301 select SYS_HAS_CPU_MIPS32_R1 302 select SYS_HAS_CPU_MIPS32_R2 303 select SYS_HAS_CPU_MIPS64_R1 304 select SYS_HAS_CPU_NEVADA 305 select SYS_HAS_CPU_RM7000 306 select SYS_HAS_EARLY_PRINTK 307 select SYS_SUPPORTS_32BIT_KERNEL 308 select SYS_SUPPORTS_64BIT_KERNEL 309 select SYS_SUPPORTS_BIG_ENDIAN 310 select SYS_SUPPORTS_LITTLE_ENDIAN 311 select SYS_SUPPORTS_MULTITHREADING 312 select SYS_SUPPORTS_SMARTMIPS 313 help 314 This enables support for the MIPS Technologies Malta evaluation 315 board. 316 317config MIPS_SEAD 318 bool "MIPS SEAD board (EXPERIMENTAL)" 319 depends on EXPERIMENTAL 320 select IRQ_CPU 321 select DMA_NONCOHERENT 322 select SYS_HAS_EARLY_PRINTK 323 select MIPS_BOARDS_GEN 324 select SYS_HAS_CPU_MIPS32_R1 325 select SYS_HAS_CPU_MIPS32_R2 326 select SYS_HAS_CPU_MIPS64_R1 327 select SYS_SUPPORTS_32BIT_KERNEL 328 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 329 select SYS_SUPPORTS_BIG_ENDIAN 330 select SYS_SUPPORTS_LITTLE_ENDIAN 331 select SYS_SUPPORTS_SMARTMIPS 332 help 333 This enables support for the MIPS Technologies SEAD evaluation 334 board. 335 336config WR_PPMC 337 bool "Wind River PPMC board" 338 select IRQ_CPU 339 select BOOT_ELF32 340 select DMA_NONCOHERENT 341 select HW_HAS_PCI 342 select MIPS_GT64120 343 select SWAP_IO_SPACE 344 select SYS_HAS_CPU_MIPS32_R1 345 select SYS_HAS_CPU_MIPS32_R2 346 select SYS_HAS_CPU_MIPS64_R1 347 select SYS_HAS_CPU_NEVADA 348 select SYS_HAS_CPU_RM7000 349 select SYS_SUPPORTS_32BIT_KERNEL 350 select SYS_SUPPORTS_64BIT_KERNEL 351 select SYS_SUPPORTS_BIG_ENDIAN 352 select SYS_SUPPORTS_LITTLE_ENDIAN 353 help 354 This enables support for the Wind River MIPS32 4KC PPMC evaluation 355 board, which is based on GT64120 bridge chip. 356 357config MIPS_SIM 358 bool 'MIPS simulator (MIPSsim)' 359 select DMA_NONCOHERENT 360 select SYS_HAS_EARLY_PRINTK 361 select IRQ_CPU 362 select SYS_HAS_CPU_MIPS32_R1 363 select SYS_HAS_CPU_MIPS32_R2 364 select SYS_HAS_EARLY_PRINTK 365 select SYS_SUPPORTS_32BIT_KERNEL 366 select SYS_SUPPORTS_BIG_ENDIAN 367 select SYS_SUPPORTS_LITTLE_ENDIAN 368 help 369 This option enables support for MIPS Technologies MIPSsim software 370 emulator. 371 372config MOMENCO_JAGUAR_ATX 373 bool "Momentum Jaguar board" 374 select BOOT_ELF32 375 select DMA_NONCOHERENT 376 select HW_HAS_PCI 377 select IRQ_CPU 378 select IRQ_CPU_RM7K 379 select IRQ_MV64340 380 select LIMITED_DMA 381 select PCI_MARVELL 382 select RM7000_CPU_SCACHE 383 select SWAP_IO_SPACE 384 select SYS_HAS_CPU_RM9000 385 select SYS_HAS_EARLY_PRINTK 386 select SYS_SUPPORTS_32BIT_KERNEL 387 select SYS_SUPPORTS_64BIT_KERNEL 388 select SYS_SUPPORTS_BIG_ENDIAN 389 select SYS_SUPPORTS_KGDB 390 help 391 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by 392 Momentum Computer <http://www.momenco.com/>. 393 394config MOMENCO_OCELOT 395 bool "Momentum Ocelot board" 396 select DMA_NONCOHERENT 397 select HW_HAS_PCI 398 select IRQ_CPU 399 select IRQ_CPU_RM7K 400 select MIPS_GT64120 401 select RM7000_CPU_SCACHE 402 select SWAP_IO_SPACE 403 select SYS_HAS_CPU_RM7000 404 select SYS_SUPPORTS_32BIT_KERNEL 405 select SYS_SUPPORTS_64BIT_KERNEL 406 select SYS_SUPPORTS_BIG_ENDIAN 407 select SYS_SUPPORTS_KGDB 408 help 409 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 410 Momentum Computer <http://www.momenco.com/>. 411 412config MOMENCO_OCELOT_3 413 bool "Momentum Ocelot-3 board" 414 select BOOT_ELF32 415 select DMA_NONCOHERENT 416 select HW_HAS_PCI 417 select IRQ_CPU 418 select IRQ_CPU_RM7K 419 select IRQ_MV64340 420 select PCI_MARVELL 421 select RM7000_CPU_SCACHE 422 select SWAP_IO_SPACE 423 select SYS_HAS_CPU_RM9000 424 select SYS_SUPPORTS_32BIT_KERNEL 425 select SYS_SUPPORTS_64BIT_KERNEL 426 select SYS_SUPPORTS_BIG_ENDIAN 427 help 428 The Ocelot-3 is based off Discovery III System Controller and 429 PMC-Sierra Rm79000 core. 430 431config MOMENCO_OCELOT_C 432 bool "Momentum Ocelot-C board" 433 select DMA_NONCOHERENT 434 select HW_HAS_PCI 435 select IRQ_CPU 436 select IRQ_MV64340 437 select PCI_MARVELL 438 select RM7000_CPU_SCACHE 439 select SWAP_IO_SPACE 440 select SYS_HAS_CPU_RM7000 441 select SYS_SUPPORTS_32BIT_KERNEL 442 select SYS_SUPPORTS_64BIT_KERNEL 443 select SYS_SUPPORTS_BIG_ENDIAN 444 select GENERIC_HARDIRQS_NO__DO_IRQ 445 help 446 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 447 Momentum Computer <http://www.momenco.com/>. 448 449config MOMENCO_OCELOT_G 450 bool "Momentum Ocelot-G board" 451 select DMA_NONCOHERENT 452 select HW_HAS_PCI 453 select IRQ_CPU 454 select IRQ_CPU_RM7K 455 select PCI_MARVELL 456 select RM7000_CPU_SCACHE 457 select SWAP_IO_SPACE 458 select SYS_HAS_CPU_RM7000 459 select SYS_SUPPORTS_32BIT_KERNEL 460 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 461 select SYS_SUPPORTS_BIG_ENDIAN 462 help 463 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 464 Momentum Computer <http://www.momenco.com/>. 465 466config MIPS_XXS1500 467 bool "MyCable XXS1500 board" 468 select DMA_NONCOHERENT 469 select SOC_AU1500 470 select SYS_SUPPORTS_LITTLE_ENDIAN 471 472config PNX8550_V2PCI 473 bool "Philips PNX8550 based Viper2-PCI board" 474 select PNX8550 475 select SYS_SUPPORTS_LITTLE_ENDIAN 476 477config PNX8550_JBS 478 bool "Philips PNX8550 based JBS board" 479 select PNX8550 480 select SYS_SUPPORTS_LITTLE_ENDIAN 481 482config PNX8550_STB810 483 bool "Support for Philips PNX8550 based STB810 board" 484 select PNX8550 485 select SYS_SUPPORTS_LITTLE_ENDIAN 486 487config DDB5477 488 bool "NEC DDB Vrc-5477" 489 select DDB5XXX_COMMON 490 select DMA_NONCOHERENT 491 select HW_HAS_PCI 492 select I8259 493 select IRQ_CPU 494 select SYS_HAS_CPU_R5432 495 select SYS_SUPPORTS_32BIT_KERNEL 496 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 497 select SYS_SUPPORTS_KGDB 498 select SYS_SUPPORTS_KGDB 499 select SYS_SUPPORTS_LITTLE_ENDIAN 500 help 501 This enables support for the R5432-based NEC DDB Vrc-5477, 502 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 503 504 Features : kernel debugging, serial terminal, NFS root fs, on-board 505 ether port USB, AC97, PCI, etc. 506 507config MACH_VR41XX 508 bool "NEC VR41XX-based machines" 509 select SYS_HAS_CPU_VR41XX 510 select SYS_SUPPORTS_32BIT_KERNEL 511 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 512 select GENERIC_HARDIRQS_NO__DO_IRQ 513 514config PMC_YOSEMITE 515 bool "PMC-Sierra Yosemite eval board" 516 select DMA_COHERENT 517 select HW_HAS_PCI 518 select IRQ_CPU 519 select IRQ_CPU_RM7K 520 select IRQ_CPU_RM9K 521 select SWAP_IO_SPACE 522 select SYS_HAS_CPU_RM9000 523 select SYS_HAS_EARLY_PRINTK 524 select SYS_SUPPORTS_32BIT_KERNEL 525 select SYS_SUPPORTS_64BIT_KERNEL 526 select SYS_SUPPORTS_BIG_ENDIAN 527 select SYS_SUPPORTS_HIGHMEM 528 select SYS_SUPPORTS_KGDB 529 select SYS_SUPPORTS_SMP 530 help 531 Yosemite is an evaluation board for the RM9000x2 processor 532 manufactured by PMC-Sierra. 533 534config QEMU 535 bool "Qemu" 536 select DMA_COHERENT 537 select GENERIC_ISA_DMA 538 select HAVE_STD_PC_SERIAL_PORT 539 select I8253 540 select I8259 541 select ISA 542 select SWAP_IO_SPACE 543 select SYS_HAS_CPU_MIPS32_R1 544 select SYS_SUPPORTS_32BIT_KERNEL 545 select SYS_SUPPORTS_BIG_ENDIAN 546 select SYS_SUPPORTS_LITTLE_ENDIAN 547 select ARCH_SPARSEMEM_ENABLE 548 select GENERIC_HARDIRQS_NO__DO_IRQ 549 help 550 Qemu is a software emulator which among other architectures also 551 can simulate a MIPS32 4Kc system. This patch adds support for the 552 system architecture that currently is being simulated by Qemu. It 553 will eventually be removed again when Qemu has the capability to 554 simulate actual MIPS hardware platforms. More information on Qemu 555 can be found at http://www.linux-mips.org/wiki/Qemu. 556 557config MARKEINS 558 bool "Support for NEC EMMA2RH Mark-eins" 559 select DMA_NONCOHERENT 560 select HW_HAS_PCI 561 select IRQ_CPU 562 select SWAP_IO_SPACE 563 select SYS_SUPPORTS_32BIT_KERNEL 564 select SYS_SUPPORTS_BIG_ENDIAN 565 select SYS_SUPPORTS_LITTLE_ENDIAN 566 select SYS_HAS_CPU_R5000 567 help 568 This enables support for the R5432-based NEC Mark-eins 569 boards with R5500 CPU. 570 571config SGI_IP22 572 bool "SGI IP22 (Indy/Indigo2)" 573 select ARC 574 select ARC32 575 select BOOT_ELF32 576 select DMA_NONCOHERENT 577 select HW_HAS_EISA 578 select IP22_CPU_SCACHE 579 select IRQ_CPU 580 select GENERIC_ISA_DMA_SUPPORT_BROKEN 581 select SWAP_IO_SPACE 582 select SYS_HAS_CPU_R4X00 583 select SYS_HAS_CPU_R5000 584 select SYS_HAS_EARLY_PRINTK 585 select SYS_SUPPORTS_32BIT_KERNEL 586 select SYS_SUPPORTS_64BIT_KERNEL 587 select SYS_SUPPORTS_BIG_ENDIAN 588 help 589 This are the SGI Indy, Challenge S and Indigo2, as well as certain 590 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 591 that runs on these, say Y here. 592 593config SGI_IP27 594 bool "SGI IP27 (Origin200/2000)" 595 select ARC 596 select ARC64 597 select BOOT_ELF64 598 select DMA_IP27 599 select SYS_HAS_EARLY_PRINTK 600 select HW_HAS_PCI 601 select NR_CPUS_DEFAULT_64 602 select PCI_DOMAINS 603 select SYS_HAS_CPU_R10000 604 select SYS_SUPPORTS_64BIT_KERNEL 605 select SYS_SUPPORTS_BIG_ENDIAN 606 select SYS_SUPPORTS_KGDB 607 select SYS_SUPPORTS_NUMA 608 select SYS_SUPPORTS_SMP 609 select GENERIC_HARDIRQS_NO__DO_IRQ 610 help 611 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 612 workstations. To compile a Linux kernel that runs on these, say Y 613 here. 614 615config SGI_IP32 616 bool "SGI IP32 (O2) (EXPERIMENTAL)" 617 depends on EXPERIMENTAL 618 select ARC 619 select ARC32 620 select BOOT_ELF32 621 select DMA_NONCOHERENT 622 select HW_HAS_PCI 623 select R5000_CPU_SCACHE 624 select RM7000_CPU_SCACHE 625 select SYS_HAS_CPU_R5000 626 select SYS_HAS_CPU_R10000 if BROKEN 627 select SYS_HAS_CPU_RM7000 628 select SYS_HAS_CPU_NEVADA 629 select SYS_SUPPORTS_64BIT_KERNEL 630 select SYS_SUPPORTS_BIG_ENDIAN 631 help 632 If you want this kernel to run on SGI O2 workstation, say Y here. 633 634config SIBYTE_BIGSUR 635 bool "Sibyte BCM91480B-BigSur" 636 select BOOT_ELF32 637 select DMA_COHERENT 638 select NR_CPUS_DEFAULT_4 639 select PCI_DOMAINS 640 select SIBYTE_BCM1x80 641 select SWAP_IO_SPACE 642 select SYS_HAS_CPU_SB1 643 select SYS_SUPPORTS_BIG_ENDIAN 644 select SYS_SUPPORTS_LITTLE_ENDIAN 645 646config SIBYTE_SWARM 647 bool "Sibyte BCM91250A-SWARM" 648 select BOOT_ELF32 649 select DMA_COHERENT 650 select NR_CPUS_DEFAULT_2 651 select SIBYTE_SB1250 652 select SWAP_IO_SPACE 653 select SYS_HAS_CPU_SB1 654 select SYS_SUPPORTS_BIG_ENDIAN 655 select SYS_SUPPORTS_HIGHMEM 656 select SYS_SUPPORTS_KGDB 657 select SYS_SUPPORTS_LITTLE_ENDIAN 658 659config SIBYTE_SENTOSA 660 bool "Sibyte BCM91250E-Sentosa" 661 depends on EXPERIMENTAL 662 select BOOT_ELF32 663 select DMA_COHERENT 664 select NR_CPUS_DEFAULT_2 665 select SIBYTE_SB1250 666 select SWAP_IO_SPACE 667 select SYS_HAS_CPU_SB1 668 select SYS_SUPPORTS_BIG_ENDIAN 669 select SYS_SUPPORTS_LITTLE_ENDIAN 670 671config SIBYTE_RHONE 672 bool "Sibyte BCM91125E-Rhone" 673 depends on EXPERIMENTAL 674 select BOOT_ELF32 675 select DMA_COHERENT 676 select SIBYTE_BCM1125H 677 select SWAP_IO_SPACE 678 select SYS_HAS_CPU_SB1 679 select SYS_SUPPORTS_BIG_ENDIAN 680 select SYS_SUPPORTS_LITTLE_ENDIAN 681 682config SIBYTE_CARMEL 683 bool "Sibyte BCM91120x-Carmel" 684 depends on EXPERIMENTAL 685 select BOOT_ELF32 686 select DMA_COHERENT 687 select SIBYTE_BCM1120 688 select SWAP_IO_SPACE 689 select SYS_HAS_CPU_SB1 690 select SYS_SUPPORTS_BIG_ENDIAN 691 select SYS_SUPPORTS_LITTLE_ENDIAN 692 693config SIBYTE_PTSWARM 694 bool "Sibyte BCM91250PT-PTSWARM" 695 depends on EXPERIMENTAL 696 select BOOT_ELF32 697 select DMA_COHERENT 698 select NR_CPUS_DEFAULT_2 699 select SIBYTE_SB1250 700 select SWAP_IO_SPACE 701 select SYS_HAS_CPU_SB1 702 select SYS_SUPPORTS_BIG_ENDIAN 703 select SYS_SUPPORTS_HIGHMEM 704 select SYS_SUPPORTS_LITTLE_ENDIAN 705 706config SIBYTE_LITTLESUR 707 bool "Sibyte BCM91250C2-LittleSur" 708 depends on EXPERIMENTAL 709 select BOOT_ELF32 710 select DMA_COHERENT 711 select NR_CPUS_DEFAULT_2 712 select SIBYTE_SB1250 713 select SWAP_IO_SPACE 714 select SYS_HAS_CPU_SB1 715 select SYS_SUPPORTS_BIG_ENDIAN 716 select SYS_SUPPORTS_HIGHMEM 717 select SYS_SUPPORTS_LITTLE_ENDIAN 718 719config SIBYTE_CRHINE 720 bool "Sibyte BCM91120C-CRhine" 721 depends on EXPERIMENTAL 722 select BOOT_ELF32 723 select DMA_COHERENT 724 select SIBYTE_BCM1120 725 select SWAP_IO_SPACE 726 select SYS_HAS_CPU_SB1 727 select SYS_SUPPORTS_BIG_ENDIAN 728 select SYS_SUPPORTS_LITTLE_ENDIAN 729 730config SIBYTE_CRHONE 731 bool "Sibyte BCM91125C-CRhone" 732 depends on EXPERIMENTAL 733 select BOOT_ELF32 734 select DMA_COHERENT 735 select SIBYTE_BCM1125 736 select SWAP_IO_SPACE 737 select SYS_HAS_CPU_SB1 738 select SYS_SUPPORTS_BIG_ENDIAN 739 select SYS_SUPPORTS_HIGHMEM 740 select SYS_SUPPORTS_LITTLE_ENDIAN 741 742config SNI_RM 743 bool "SNI RM200/300/400" 744 select ARC if CPU_LITTLE_ENDIAN 745 select ARC32 if CPU_LITTLE_ENDIAN 746 select ARCH_MAY_HAVE_PC_FDC 747 select BOOT_ELF32 748 select DMA_NONCOHERENT 749 select GENERIC_ISA_DMA 750 select HW_HAS_EISA 751 select HW_HAS_PCI 752 select IRQ_CPU 753 select I8253 754 select I8259 755 select ISA 756 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 757 select SYS_HAS_CPU_R4X00 758 select SYS_HAS_CPU_R5000 759 select SYS_HAS_CPU_R10000 760 select R5000_CPU_SCACHE 761 select SYS_HAS_EARLY_PRINTK 762 select SYS_SUPPORTS_32BIT_KERNEL 763 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 764 select SYS_SUPPORTS_BIG_ENDIAN 765 select SYS_SUPPORTS_HIGHMEM 766 select SYS_SUPPORTS_LITTLE_ENDIAN 767 help 768 The SNI RM200/300/400 are MIPS-based machines manufactured by 769 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 770 Technology and now in turn merged with Fujitsu. Say Y here to 771 support this machine type. 772 773config TOSHIBA_JMR3927 774 bool "Toshiba JMR-TX3927 board" 775 select DMA_NONCOHERENT 776 select HW_HAS_PCI 777 select MIPS_TX3927 778 select SWAP_IO_SPACE 779 select SYS_HAS_CPU_TX39XX 780 select SYS_SUPPORTS_32BIT_KERNEL 781 select SYS_SUPPORTS_LITTLE_ENDIAN 782 select SYS_SUPPORTS_BIG_ENDIAN 783 select TOSHIBA_BOARDS 784 785config TOSHIBA_RBTX4927 786 bool "Toshiba TBTX49[23]7 board" 787 select DMA_NONCOHERENT 788 select HAS_TXX9_SERIAL 789 select HW_HAS_PCI 790 select I8259 791 select ISA 792 select SWAP_IO_SPACE 793 select SYS_HAS_CPU_TX49XX 794 select SYS_SUPPORTS_32BIT_KERNEL 795 select SYS_SUPPORTS_64BIT_KERNEL 796 select SYS_SUPPORTS_LITTLE_ENDIAN 797 select SYS_SUPPORTS_BIG_ENDIAN 798 select SYS_SUPPORTS_KGDB 799 select TOSHIBA_BOARDS 800 select GENERIC_HARDIRQS_NO__DO_IRQ 801 help 802 This Toshiba board is based on the TX4927 processor. Say Y here to 803 support this machine type 804 805config TOSHIBA_RBTX4938 806 bool "Toshiba RBTX4938 board" 807 select HAVE_STD_PC_SERIAL_PORT 808 select DMA_NONCOHERENT 809 select GENERIC_ISA_DMA 810 select HAS_TXX9_SERIAL 811 select HW_HAS_PCI 812 select I8259 813 select ISA 814 select SWAP_IO_SPACE 815 select SYS_HAS_CPU_TX49XX 816 select SYS_SUPPORTS_32BIT_KERNEL 817 select SYS_SUPPORTS_LITTLE_ENDIAN 818 select SYS_SUPPORTS_BIG_ENDIAN 819 select SYS_SUPPORTS_KGDB 820 select TOSHIBA_BOARDS 821 select GENERIC_HARDIRQS_NO__DO_IRQ 822 help 823 This Toshiba board is based on the TX4938 processor. Say Y here to 824 support this machine type 825 826endchoice 827 828source "arch/mips/ddb5xxx/Kconfig" 829source "arch/mips/gt64120/ev64120/Kconfig" 830source "arch/mips/jazz/Kconfig" 831source "arch/mips/lasat/Kconfig" 832source "arch/mips/momentum/Kconfig" 833source "arch/mips/pmc-sierra/Kconfig" 834source "arch/mips/sgi-ip27/Kconfig" 835source "arch/mips/sibyte/Kconfig" 836source "arch/mips/tx4927/Kconfig" 837source "arch/mips/tx4938/Kconfig" 838source "arch/mips/vr41xx/Kconfig" 839source "arch/mips/philips/pnx8550/common/Kconfig" 840source "arch/mips/cobalt/Kconfig" 841 842endmenu 843 844config RWSEM_GENERIC_SPINLOCK 845 bool 846 default y 847 848config RWSEM_XCHGADD_ALGORITHM 849 bool 850 851config ARCH_HAS_ILOG2_U32 852 bool 853 default n 854 855config ARCH_HAS_ILOG2_U64 856 bool 857 default n 858 859config GENERIC_FIND_NEXT_BIT 860 bool 861 default y 862 863config GENERIC_HWEIGHT 864 bool 865 default y 866 867config GENERIC_CALIBRATE_DELAY 868 bool 869 default y 870 871config GENERIC_TIME 872 bool 873 default y 874 875config SCHED_NO_NO_OMIT_FRAME_POINTER 876 bool 877 default y 878 879config GENERIC_HARDIRQS_NO__DO_IRQ 880 bool 881 default n 882 883# 884# Select some configuration options automatically based on user selections. 885# 886config ARC 887 bool 888 889config ARCH_MAY_HAVE_PC_FDC 890 bool 891 892config DMA_COHERENT 893 bool 894 895config DMA_IP27 896 bool 897 898config DMA_IP32 899 bool 900 select DMA_NEED_PCI_MAP_STATE 901 902config DMA_NONCOHERENT 903 bool 904 select DMA_NEED_PCI_MAP_STATE 905 906config DMA_NEED_PCI_MAP_STATE 907 bool 908 909config EARLY_PRINTK 910 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 911 depends on SYS_HAS_EARLY_PRINTK 912 default y 913 help 914 This option enables special console drivers which allow the kernel 915 to print messages very early in the bootup process. 916 917 This is useful for kernel debugging when your machine crashes very 918 early before the console code is initialized. For normal operation 919 it is not recommended because it looks on some machines ugly and 920 oesn't cooperate with an X server. You should normally N here, 921 unless you want to debug such a crash. 922 923config SYS_HAS_EARLY_PRINTK 924 bool 925 926config GENERIC_ISA_DMA 927 bool 928 929config I8259 930 bool 931 932config LIMITED_DMA 933 bool 934 select HIGHMEM 935 select SYS_SUPPORTS_HIGHMEM 936 937config MIPS_BONITO64 938 bool 939 940config MIPS_MSC 941 bool 942 943config MIPS_NILE4 944 bool 945 946config MIPS_DISABLE_OBSOLETE_IDE 947 bool 948 949config GENERIC_ISA_DMA_SUPPORT_BROKEN 950 bool 951 952# 953# Endianess selection. Sufficiently obscure so many users don't know what to 954# answer,so we try hard to limit the available choices. Also the use of a 955# choice statement should be more obvious to the user. 956# 957choice 958 prompt "Endianess selection" 959 help 960 Some MIPS machines can be configured for either little or big endian 961 byte order. These modes require different kernels and a different 962 Linux distribution. In general there is one preferred byteorder for a 963 particular system but some systems are just as commonly used in the 964 one or the other endianess. 965 966config CPU_BIG_ENDIAN 967 bool "Big endian" 968 depends on SYS_SUPPORTS_BIG_ENDIAN 969 970config CPU_LITTLE_ENDIAN 971 bool "Little endian" 972 depends on SYS_SUPPORTS_LITTLE_ENDIAN 973 help 974 975endchoice 976 977config SYS_SUPPORTS_APM_EMULATION 978 bool 979 980config SYS_SUPPORTS_BIG_ENDIAN 981 bool 982 983config SYS_SUPPORTS_LITTLE_ENDIAN 984 bool 985 986config IRQ_CPU 987 bool 988 989config IRQ_CPU_RM7K 990 bool 991 992config IRQ_CPU_RM9K 993 bool 994 995config IRQ_MV64340 996 bool 997 998config DDB5XXX_COMMON 999 bool 1000 select SYS_SUPPORTS_KGDB 1001 1002config MIPS_BOARDS_GEN 1003 bool 1004 1005config MIPS_GT64111 1006 bool 1007 1008config MIPS_GT64120 1009 bool 1010 1011config MIPS_TX3927 1012 bool 1013 select HAS_TXX9_SERIAL 1014 1015config MIPS_RM9122 1016 bool 1017 select SERIAL_RM9000 1018 select GPI_RM9000 1019 select WDT_RM9000 1020 1021config PCI_MARVELL 1022 bool 1023 1024config SOC_AU1000 1025 bool 1026 select SOC_AU1X00 1027 1028config SOC_AU1100 1029 bool 1030 select SOC_AU1X00 1031 1032config SOC_AU1500 1033 bool 1034 select SOC_AU1X00 1035 1036config SOC_AU1550 1037 bool 1038 select SOC_AU1X00 1039 1040config SOC_AU1200 1041 bool 1042 select SOC_AU1X00 1043 1044config SOC_AU1X00 1045 bool 1046 select SYS_HAS_CPU_MIPS32_R1 1047 select SYS_SUPPORTS_32BIT_KERNEL 1048 select SYS_SUPPORTS_APM_EMULATION 1049 select SYS_SUPPORTS_KGDB 1050 1051config PNX8550 1052 bool 1053 select SOC_PNX8550 1054 1055config SOC_PNX8550 1056 bool 1057 select DMA_NONCOHERENT 1058 select HW_HAS_PCI 1059 select SYS_HAS_CPU_MIPS32_R1 1060 select SYS_HAS_EARLY_PRINTK 1061 select SYS_SUPPORTS_32BIT_KERNEL 1062 select GENERIC_HARDIRQS_NO__DO_IRQ 1063 select SYS_SUPPORTS_KGDB 1064 1065config SWAP_IO_SPACE 1066 bool 1067 1068config EMMA2RH 1069 bool 1070 depends on MARKEINS 1071 default y 1072 1073config SERIAL_RM9000 1074 bool 1075 1076config GPI_RM9000 1077 bool 1078 1079config WDT_RM9000 1080 bool 1081 1082# 1083# Unfortunately not all GT64120 systems run the chip at the same clock. 1084# As the user for the clock rate and try to minimize the available options. 1085# 1086choice 1087 prompt "Galileo Chip Clock" 1088 #default SYSCLK_83 if MIPS_EV64120 1089 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1090 default SYSCLK_83 if MIPS_EV64120 1091 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 1092 1093config SYSCLK_75 1094 bool "75" if MIPS_EV64120 1095 1096config SYSCLK_83 1097 bool "83.3" if MIPS_EV64120 1098 1099config SYSCLK_100 1100 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1101 1102endchoice 1103 1104config ARC32 1105 bool 1106 1107config BOOT_ELF32 1108 bool 1109 1110config MIPS_L1_CACHE_SHIFT 1111 int 1112 default "4" if MACH_DECSTATION || SNI_RM 1113 default "7" if SGI_IP27 1114 default "5" 1115 1116config HAVE_STD_PC_SERIAL_PORT 1117 bool 1118 1119config ARC_CONSOLE 1120 bool "ARC console support" 1121 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 1122 1123config ARC_MEMORY 1124 bool 1125 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1126 default y 1127 1128config ARC_PROMLIB 1129 bool 1130 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 1131 default y 1132 1133config ARC64 1134 bool 1135 1136config BOOT_ELF64 1137 bool 1138 1139config TOSHIBA_BOARDS 1140 bool 1141 1142menu "CPU selection" 1143 1144choice 1145 prompt "CPU type" 1146 default CPU_R4X00 1147 1148config CPU_MIPS32_R1 1149 bool "MIPS32 Release 1" 1150 depends on SYS_HAS_CPU_MIPS32_R1 1151 select CPU_HAS_LLSC 1152 select CPU_HAS_PREFETCH 1153 select CPU_SUPPORTS_32BIT_KERNEL 1154 select CPU_SUPPORTS_HIGHMEM 1155 help 1156 Choose this option to build a kernel for release 1 or later of the 1157 MIPS32 architecture. Most modern embedded systems with a 32-bit 1158 MIPS processor are based on a MIPS32 processor. If you know the 1159 specific type of processor in your system, choose those that one 1160 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1161 Release 2 of the MIPS32 architecture is available since several 1162 years so chances are you even have a MIPS32 Release 2 processor 1163 in which case you should choose CPU_MIPS32_R2 instead for better 1164 performance. 1165 1166config CPU_MIPS32_R2 1167 bool "MIPS32 Release 2" 1168 depends on SYS_HAS_CPU_MIPS32_R2 1169 select CPU_HAS_LLSC 1170 select CPU_HAS_PREFETCH 1171 select CPU_SUPPORTS_32BIT_KERNEL 1172 select CPU_SUPPORTS_HIGHMEM 1173 help 1174 Choose this option to build a kernel for release 2 or later of the 1175 MIPS32 architecture. Most modern embedded systems with a 32-bit 1176 MIPS processor are based on a MIPS32 processor. If you know the 1177 specific type of processor in your system, choose those that one 1178 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1179 1180config CPU_MIPS64_R1 1181 bool "MIPS64 Release 1" 1182 depends on SYS_HAS_CPU_MIPS64_R1 1183 select CPU_HAS_LLSC 1184 select CPU_HAS_PREFETCH 1185 select CPU_SUPPORTS_32BIT_KERNEL 1186 select CPU_SUPPORTS_64BIT_KERNEL 1187 select CPU_SUPPORTS_HIGHMEM 1188 help 1189 Choose this option to build a kernel for release 1 or later of the 1190 MIPS64 architecture. Many modern embedded systems with a 64-bit 1191 MIPS processor are based on a MIPS64 processor. If you know the 1192 specific type of processor in your system, choose those that one 1193 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1194 Release 2 of the MIPS64 architecture is available since several 1195 years so chances are you even have a MIPS64 Release 2 processor 1196 in which case you should choose CPU_MIPS64_R2 instead for better 1197 performance. 1198 1199config CPU_MIPS64_R2 1200 bool "MIPS64 Release 2" 1201 depends on SYS_HAS_CPU_MIPS64_R2 1202 select CPU_HAS_LLSC 1203 select CPU_HAS_PREFETCH 1204 select CPU_SUPPORTS_32BIT_KERNEL 1205 select CPU_SUPPORTS_64BIT_KERNEL 1206 select CPU_SUPPORTS_HIGHMEM 1207 help 1208 Choose this option to build a kernel for release 2 or later of the 1209 MIPS64 architecture. Many modern embedded systems with a 64-bit 1210 MIPS processor are based on a MIPS64 processor. If you know the 1211 specific type of processor in your system, choose those that one 1212 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1213 1214config CPU_R3000 1215 bool "R3000" 1216 depends on SYS_HAS_CPU_R3000 1217 select CPU_HAS_WB 1218 select CPU_SUPPORTS_32BIT_KERNEL 1219 select CPU_SUPPORTS_HIGHMEM 1220 help 1221 Please make sure to pick the right CPU type. Linux/MIPS is not 1222 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1223 *not* work on R4000 machines and vice versa. However, since most 1224 of the supported machines have an R4000 (or similar) CPU, R4x00 1225 might be a safe bet. If the resulting kernel does not work, 1226 try to recompile with R3000. 1227 1228config CPU_TX39XX 1229 bool "R39XX" 1230 depends on SYS_HAS_CPU_TX39XX 1231 select CPU_SUPPORTS_32BIT_KERNEL 1232 1233config CPU_VR41XX 1234 bool "R41xx" 1235 depends on SYS_HAS_CPU_VR41XX 1236 select CPU_SUPPORTS_32BIT_KERNEL 1237 select CPU_SUPPORTS_64BIT_KERNEL 1238 help 1239 The options selects support for the NEC VR4100 series of processors. 1240 Only choose this option if you have one of these processors as a 1241 kernel built with this option will not run on any other type of 1242 processor or vice versa. 1243 1244config CPU_R4300 1245 bool "R4300" 1246 depends on SYS_HAS_CPU_R4300 1247 select CPU_HAS_LLSC 1248 select CPU_SUPPORTS_32BIT_KERNEL 1249 select CPU_SUPPORTS_64BIT_KERNEL 1250 help 1251 MIPS Technologies R4300-series processors. 1252 1253config CPU_R4X00 1254 bool "R4x00" 1255 depends on SYS_HAS_CPU_R4X00 1256 select CPU_HAS_LLSC 1257 select CPU_SUPPORTS_32BIT_KERNEL 1258 select CPU_SUPPORTS_64BIT_KERNEL 1259 help 1260 MIPS Technologies R4000-series processors other than 4300, including 1261 the R4000, R4400, R4600, and 4700. 1262 1263config CPU_TX49XX 1264 bool "R49XX" 1265 depends on SYS_HAS_CPU_TX49XX 1266 select CPU_HAS_LLSC 1267 select CPU_HAS_PREFETCH 1268 select CPU_SUPPORTS_32BIT_KERNEL 1269 select CPU_SUPPORTS_64BIT_KERNEL 1270 1271config CPU_R5000 1272 bool "R5000" 1273 depends on SYS_HAS_CPU_R5000 1274 select CPU_HAS_LLSC 1275 select CPU_SUPPORTS_32BIT_KERNEL 1276 select CPU_SUPPORTS_64BIT_KERNEL 1277 help 1278 MIPS Technologies R5000-series processors other than the Nevada. 1279 1280config CPU_R5432 1281 bool "R5432" 1282 depends on SYS_HAS_CPU_R5432 1283 select CPU_HAS_LLSC 1284 select CPU_SUPPORTS_32BIT_KERNEL 1285 select CPU_SUPPORTS_64BIT_KERNEL 1286 1287config CPU_R6000 1288 bool "R6000" 1289 depends on EXPERIMENTAL 1290 select CPU_HAS_LLSC 1291 depends on SYS_HAS_CPU_R6000 1292 select CPU_SUPPORTS_32BIT_KERNEL 1293 help 1294 MIPS Technologies R6000 and R6000A series processors. Note these 1295 processors are extremely rare and the support for them is incomplete. 1296 1297config CPU_NEVADA 1298 bool "RM52xx" 1299 depends on SYS_HAS_CPU_NEVADA 1300 select CPU_HAS_LLSC 1301 select CPU_SUPPORTS_32BIT_KERNEL 1302 select CPU_SUPPORTS_64BIT_KERNEL 1303 help 1304 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1305 1306config CPU_R8000 1307 bool "R8000" 1308 depends on EXPERIMENTAL 1309 depends on SYS_HAS_CPU_R8000 1310 select CPU_HAS_LLSC 1311 select CPU_HAS_PREFETCH 1312 select CPU_SUPPORTS_64BIT_KERNEL 1313 help 1314 MIPS Technologies R8000 processors. Note these processors are 1315 uncommon and the support for them is incomplete. 1316 1317config CPU_R10000 1318 bool "R10000" 1319 depends on SYS_HAS_CPU_R10000 1320 select CPU_HAS_LLSC 1321 select CPU_HAS_PREFETCH 1322 select CPU_SUPPORTS_32BIT_KERNEL 1323 select CPU_SUPPORTS_64BIT_KERNEL 1324 select CPU_SUPPORTS_HIGHMEM 1325 help 1326 MIPS Technologies R10000-series processors. 1327 1328config CPU_RM7000 1329 bool "RM7000" 1330 depends on SYS_HAS_CPU_RM7000 1331 select CPU_HAS_LLSC 1332 select CPU_HAS_PREFETCH 1333 select CPU_SUPPORTS_32BIT_KERNEL 1334 select CPU_SUPPORTS_64BIT_KERNEL 1335 select CPU_SUPPORTS_HIGHMEM 1336 1337config CPU_RM9000 1338 bool "RM9000" 1339 depends on SYS_HAS_CPU_RM9000 1340 select CPU_HAS_LLSC 1341 select CPU_HAS_PREFETCH 1342 select CPU_SUPPORTS_32BIT_KERNEL 1343 select CPU_SUPPORTS_64BIT_KERNEL 1344 select CPU_SUPPORTS_HIGHMEM 1345 select WEAK_ORDERING 1346 1347config CPU_SB1 1348 bool "SB1" 1349 depends on SYS_HAS_CPU_SB1 1350 select CPU_HAS_LLSC 1351 select CPU_SUPPORTS_32BIT_KERNEL 1352 select CPU_SUPPORTS_64BIT_KERNEL 1353 select CPU_SUPPORTS_HIGHMEM 1354 select WEAK_ORDERING 1355 1356endchoice 1357 1358config SYS_HAS_CPU_MIPS32_R1 1359 bool 1360 1361config SYS_HAS_CPU_MIPS32_R2 1362 bool 1363 1364config SYS_HAS_CPU_MIPS64_R1 1365 bool 1366 1367config SYS_HAS_CPU_MIPS64_R2 1368 bool 1369 1370config SYS_HAS_CPU_R3000 1371 bool 1372 1373config SYS_HAS_CPU_TX39XX 1374 bool 1375 1376config SYS_HAS_CPU_VR41XX 1377 bool 1378 1379config SYS_HAS_CPU_R4300 1380 bool 1381 1382config SYS_HAS_CPU_R4X00 1383 bool 1384 1385config SYS_HAS_CPU_TX49XX 1386 bool 1387 1388config SYS_HAS_CPU_R5000 1389 bool 1390 1391config SYS_HAS_CPU_R5432 1392 bool 1393 1394config SYS_HAS_CPU_R6000 1395 bool 1396 1397config SYS_HAS_CPU_NEVADA 1398 bool 1399 1400config SYS_HAS_CPU_R8000 1401 bool 1402 1403config SYS_HAS_CPU_R10000 1404 bool 1405 1406config SYS_HAS_CPU_RM7000 1407 bool 1408 1409config SYS_HAS_CPU_RM9000 1410 bool 1411 1412config SYS_HAS_CPU_SB1 1413 bool 1414 1415config WEAK_ORDERING 1416 bool 1417endmenu 1418 1419# 1420# These two indicate any level of the MIPS32 and MIPS64 architecture 1421# 1422config CPU_MIPS32 1423 bool 1424 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1425 1426config CPU_MIPS64 1427 bool 1428 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1429 1430# 1431# These two indicate the revision of the architecture, either Release 1 or Release 2 1432# 1433config CPU_MIPSR1 1434 bool 1435 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1436 1437config CPU_MIPSR2 1438 bool 1439 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1440 1441config SYS_SUPPORTS_32BIT_KERNEL 1442 bool 1443config SYS_SUPPORTS_64BIT_KERNEL 1444 bool 1445config CPU_SUPPORTS_32BIT_KERNEL 1446 bool 1447config CPU_SUPPORTS_64BIT_KERNEL 1448 bool 1449 1450menu "Kernel type" 1451 1452choice 1453 1454 prompt "Kernel code model" 1455 help 1456 You should only select this option if you have a workload that 1457 actually benefits from 64-bit processing or if your machine has 1458 large memory. You will only be presented a single option in this 1459 menu if your system does not support both 32-bit and 64-bit kernels. 1460 1461config 32BIT 1462 bool "32-bit kernel" 1463 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1464 select TRAD_SIGNALS 1465 help 1466 Select this option if you want to build a 32-bit kernel. 1467config 64BIT 1468 bool "64-bit kernel" 1469 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1470 help 1471 Select this option if you want to build a 64-bit kernel. 1472 1473endchoice 1474 1475choice 1476 prompt "Kernel page size" 1477 default PAGE_SIZE_4KB 1478 1479config PAGE_SIZE_4KB 1480 bool "4kB" 1481 help 1482 This option select the standard 4kB Linux page size. On some 1483 R3000-family processors this is the only available page size. Using 1484 4kB page size will minimize memory consumption and is therefore 1485 recommended for low memory systems. 1486 1487config PAGE_SIZE_8KB 1488 bool "8kB" 1489 depends on EXPERIMENTAL && CPU_R8000 1490 help 1491 Using 8kB page size will result in higher performance kernel at 1492 the price of higher memory consumption. This option is available 1493 only on the R8000 processor. Not that at the time of this writing 1494 this option is still high experimental; there are also issues with 1495 compatibility of user applications. 1496 1497config PAGE_SIZE_16KB 1498 bool "16kB" 1499 depends on !CPU_R3000 && !CPU_TX39XX 1500 help 1501 Using 16kB page size will result in higher performance kernel at 1502 the price of higher memory consumption. This option is available on 1503 all non-R3000 family processors. Note that you will need a suitable 1504 Linux distribution to support this. 1505 1506config PAGE_SIZE_64KB 1507 bool "64kB" 1508 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1509 help 1510 Using 64kB page size will result in higher performance kernel at 1511 the price of higher memory consumption. This option is available on 1512 all non-R3000 family processor. Not that at the time of this 1513 writing this option is still high experimental. 1514 1515endchoice 1516 1517config BOARD_SCACHE 1518 bool 1519 1520config IP22_CPU_SCACHE 1521 bool 1522 select BOARD_SCACHE 1523 1524# 1525# Support for a MIPS32 / MIPS64 style S-caches 1526# 1527config MIPS_CPU_SCACHE 1528 bool 1529 select BOARD_SCACHE 1530 1531config R5000_CPU_SCACHE 1532 bool 1533 select BOARD_SCACHE 1534 1535config RM7000_CPU_SCACHE 1536 bool 1537 select BOARD_SCACHE 1538 1539config SIBYTE_DMA_PAGEOPS 1540 bool "Use DMA to clear/copy pages" 1541 depends on CPU_SB1 1542 help 1543 Instead of using the CPU to zero and copy pages, use a Data Mover 1544 channel. These DMA channels are otherwise unused by the standard 1545 SiByte Linux port. Seems to give a small performance benefit. 1546 1547config CPU_HAS_PREFETCH 1548 bool 1549 1550choice 1551 prompt "MIPS MT options" 1552 1553config MIPS_MT_DISABLED 1554 bool "Disable multithreading support." 1555 help 1556 Use this option if your workload can't take advantage of 1557 MIPS hardware multithreading support. On systems that don't have 1558 the option of an MT-enabled processor this option will be the only 1559 option in this menu. 1560 1561config MIPS_MT_SMP 1562 bool "Use 1 TC on each available VPE for SMP" 1563 depends on SYS_SUPPORTS_MULTITHREADING 1564 select CPU_MIPSR2_IRQ_VI 1565 select CPU_MIPSR2_SRS 1566 select MIPS_MT 1567 select SMP 1568 select SYS_SUPPORTS_SMP 1569 help 1570 This is a kernel model which is also known a VSMP or lately 1571 has been marketesed into SMVP. 1572 1573config MIPS_MT_SMTC 1574 bool "SMTC: Use all TCs on all VPEs for SMP" 1575 depends on CPU_MIPS32_R2 1576 #depends on CPU_MIPS64_R2 # once there is hardware ... 1577 depends on SYS_SUPPORTS_MULTITHREADING 1578 select CPU_MIPSR2_IRQ_VI 1579 select CPU_MIPSR2_SRS 1580 select MIPS_MT 1581 select NR_CPUS_DEFAULT_2 1582 select NR_CPUS_DEFAULT_8 1583 select SMP 1584 select SYS_SUPPORTS_SMP 1585 help 1586 This is a kernel model which is known a SMTC or lately has been 1587 marketesed into SMVP. 1588 1589config MIPS_VPE_LOADER 1590 bool "VPE loader support." 1591 depends on SYS_SUPPORTS_MULTITHREADING 1592 select MIPS_MT 1593 help 1594 Includes a loader for loading an elf relocatable object 1595 onto another VPE and running it. 1596 1597endchoice 1598 1599config MIPS_MT 1600 bool 1601 1602config SYS_SUPPORTS_MULTITHREADING 1603 bool 1604 1605config MIPS_MT_FPAFF 1606 bool "Dynamic FPU affinity for FP-intensive threads" 1607 depends on MIPS_MT 1608 default y 1609 1610config MIPS_MT_SMTC_INSTANT_REPLAY 1611 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1612 depends on MIPS_MT_SMTC 1613 default y 1614 help 1615 SMTC pseudo-interrupts between TCs are deferred and queued 1616 if the target TC is interrupt-inhibited (IXMT). In the first 1617 SMTC prototypes, these queued IPIs were serviced on return 1618 to user mode, or on entry into the kernel idle loop. The 1619 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1620 processing, which adds runtime overhead (hence the option to turn 1621 it off), but ensures that IPIs are handled promptly even under 1622 heavy I/O interrupt load. 1623 1624config MIPS_VPE_LOADER_TOM 1625 bool "Load VPE program into memory hidden from linux" 1626 depends on MIPS_VPE_LOADER 1627 default y 1628 help 1629 The loader can use memory that is present but has been hidden from 1630 Linux using the kernel command line option "mem=xxMB". It's up to 1631 you to ensure the amount you put in the option and the space your 1632 program requires is less or equal to the amount physically present. 1633 1634# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1635config MIPS_VPE_APSP_API 1636 bool "Enable support for AP/SP API (RTLX)" 1637 depends on MIPS_VPE_LOADER 1638 help 1639 1640config MIPS_APSP_KSPD 1641 bool "Enable KSPD" 1642 depends on MIPS_VPE_APSP_API 1643 default y 1644 help 1645 KSPD is a kernel daemon that accepts syscall requests from the SP 1646 side, actions them and returns the results. It also handles the 1647 "exit" syscall notifying other kernel modules the SP program is 1648 exiting. You probably want to say yes here. 1649 1650config SB1_PASS_1_WORKAROUNDS 1651 bool 1652 depends on CPU_SB1_PASS_1 1653 default y 1654 1655config SB1_PASS_2_WORKAROUNDS 1656 bool 1657 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1658 default y 1659 1660config SB1_PASS_2_1_WORKAROUNDS 1661 bool 1662 depends on CPU_SB1 && CPU_SB1_PASS_2 1663 default y 1664 1665config 64BIT_PHYS_ADDR 1666 bool "Support for 64-bit physical address space" 1667 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1668 1669config CPU_HAS_LLSC 1670 bool 1671 1672config CPU_HAS_SMARTMIPS 1673 depends on SYS_SUPPORTS_SMARTMIPS 1674 bool "Support for the SmartMIPS ASE" 1675 help 1676 SmartMIPS is a extension of the MIPS32 architecture aimed at 1677 increased security at both hardware and software level for 1678 smartcards. Enabling this option will allow proper use of the 1679 SmartMIPS instructions by Linux applications. However a kernel with 1680 this option will not work on a MIPS core without SmartMIPS core. If 1681 you don't know you probably don't have SmartMIPS and should say N 1682 here. 1683 1684config CPU_HAS_WB 1685 bool 1686 1687# 1688# Vectored interrupt mode is an R2 feature 1689# 1690config CPU_MIPSR2_IRQ_VI 1691 bool 1692 1693# 1694# Extended interrupt mode is an R2 feature 1695# 1696config CPU_MIPSR2_IRQ_EI 1697 bool 1698 1699# 1700# Shadow registers are an R2 feature 1701# 1702config CPU_MIPSR2_SRS 1703 bool 1704 1705config CPU_HAS_SYNC 1706 bool 1707 depends on !CPU_R3000 1708 default y 1709 1710# 1711# Use the generic interrupt handling code in kernel/irq/: 1712# 1713config GENERIC_HARDIRQS 1714 bool 1715 default y 1716 1717config GENERIC_IRQ_PROBE 1718 bool 1719 default y 1720 1721config IRQ_PER_CPU 1722 bool 1723 1724# 1725# - Highmem only makes sense for the 32-bit kernel. 1726# - The current highmem code will only work properly on physically indexed 1727# caches such as R3000, SB1, R7000 or those that look like they're virtually 1728# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1729# moment we protect the user and offer the highmem option only on machines 1730# where it's known to be safe. This will not offer highmem on a few systems 1731# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1732# indexed CPUs but we're playing safe. 1733# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1734# know they might have memory configurations that could make use of highmem 1735# support. 1736# 1737config HIGHMEM 1738 bool "High Memory Support" 1739 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1740 1741config CPU_SUPPORTS_HIGHMEM 1742 bool 1743 1744config SYS_SUPPORTS_HIGHMEM 1745 bool 1746 1747config SYS_SUPPORTS_SMARTMIPS 1748 bool 1749 1750config ARCH_FLATMEM_ENABLE 1751 def_bool y 1752 depends on !NUMA 1753 1754config ARCH_DISCONTIGMEM_ENABLE 1755 bool 1756 default y if SGI_IP27 1757 help 1758 Say Y to upport efficient handling of discontiguous physical memory, 1759 for architectures which are either NUMA (Non-Uniform Memory Access) 1760 or have huge holes in the physical address space for other reasons. 1761 See <file:Documentation/vm/numa> for more. 1762 1763config ARCH_SPARSEMEM_ENABLE 1764 bool 1765 select SPARSEMEM_STATIC 1766 1767config NUMA 1768 bool "NUMA Support" 1769 depends on SYS_SUPPORTS_NUMA 1770 help 1771 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1772 Access). This option improves performance on systems with more 1773 than two nodes; on two node systems it is generally better to 1774 leave it disabled; on single node systems disable this option 1775 disabled. 1776 1777config SYS_SUPPORTS_NUMA 1778 bool 1779 1780config NODES_SHIFT 1781 int 1782 default "6" 1783 depends on NEED_MULTIPLE_NODES 1784 1785source "mm/Kconfig" 1786 1787config SMP 1788 bool "Multi-Processing support" 1789 depends on SYS_SUPPORTS_SMP 1790 select IRQ_PER_CPU 1791 help 1792 This enables support for systems with more than one CPU. If you have 1793 a system with only one CPU, like most personal computers, say N. If 1794 you have a system with more than one CPU, say Y. 1795 1796 If you say N here, the kernel will run on single and multiprocessor 1797 machines, but will use only one CPU of a multiprocessor machine. If 1798 you say Y here, the kernel will run on many, but not all, 1799 singleprocessor machines. On a singleprocessor machine, the kernel 1800 will run faster if you say N here. 1801 1802 People using multiprocessor machines who say Y here should also say 1803 Y to "Enhanced Real Time Clock Support", below. 1804 1805 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1806 available at <http://www.tldp.org/docs.html#howto>. 1807 1808 If you don't know what to do here, say N. 1809 1810config SYS_SUPPORTS_SMP 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 2 64 1834 depends on SMP 1835 default "2" if NR_CPUS_DEFAULT_2 1836 default "4" if NR_CPUS_DEFAULT_4 1837 default "8" if NR_CPUS_DEFAULT_8 1838 default "16" if NR_CPUS_DEFAULT_16 1839 default "32" if NR_CPUS_DEFAULT_32 1840 default "64" if NR_CPUS_DEFAULT_64 1841 help 1842 This allows you to specify the maximum number of CPUs which this 1843 kernel will support. The maximum supported value is 32 for 32-bit 1844 kernel and 64 for 64-bit kernels; the minimum value which makes 1845 sense is 2. 1846 1847 This is purely to save memory - each supported CPU adds 1848 approximately eight kilobytes to the kernel image. 1849 1850# 1851# Timer Interrupt Frequency Configuration 1852# 1853 1854choice 1855 prompt "Timer frequency" 1856 default HZ_250 1857 help 1858 Allows the configuration of the timer frequency. 1859 1860 config HZ_48 1861 bool "48 HZ" if SYS_SUPPORTS_48HZ 1862 1863 config HZ_100 1864 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1865 1866 config HZ_128 1867 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1868 1869 config HZ_250 1870 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1871 1872 config HZ_256 1873 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1874 1875 config HZ_1000 1876 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1877 1878 config HZ_1024 1879 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1880 1881endchoice 1882 1883config SYS_SUPPORTS_48HZ 1884 bool 1885 1886config SYS_SUPPORTS_100HZ 1887 bool 1888 1889config SYS_SUPPORTS_128HZ 1890 bool 1891 1892config SYS_SUPPORTS_250HZ 1893 bool 1894 1895config SYS_SUPPORTS_256HZ 1896 bool 1897 1898config SYS_SUPPORTS_1000HZ 1899 bool 1900 1901config SYS_SUPPORTS_1024HZ 1902 bool 1903 1904config SYS_SUPPORTS_ARBIT_HZ 1905 bool 1906 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1907 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1908 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1909 !SYS_SUPPORTS_1024HZ 1910 1911config HZ 1912 int 1913 default 48 if HZ_48 1914 default 100 if HZ_100 1915 default 128 if HZ_128 1916 default 250 if HZ_250 1917 default 256 if HZ_256 1918 default 1000 if HZ_1000 1919 default 1024 if HZ_1024 1920 1921source "kernel/Kconfig.preempt" 1922 1923config MIPS_INSANE_LARGE 1924 bool "Support for large 64-bit configurations" 1925 depends on CPU_R10000 && 64BIT 1926 help 1927 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1928 previous 64-bit processors which only supported 40 bit / 1TB. If you 1929 need processes of more than 1TB virtual address space, say Y here. 1930 This will result in additional memory usage, so it is not 1931 recommended for normal users. 1932 1933config KEXEC 1934 bool "Kexec system call (EXPERIMENTAL)" 1935 depends on EXPERIMENTAL 1936 help 1937 kexec is a system call that implements the ability to shutdown your 1938 current kernel, and to start another kernel. It is like a reboot 1939 but it is indepedent of the system firmware. And like a reboot 1940 you can start any kernel with it, not just Linux. 1941 1942 The name comes from the similiarity to the exec system call. 1943 1944 It is an ongoing process to be certain the hardware in a machine 1945 is properly shutdown, so do not be surprised if this code does not 1946 initially work for you. It may help to enable device hotplugging 1947 support. As of this writing the exact hardware interface is 1948 strongly in flux, so no good recommendation can be made. 1949 1950config SECCOMP 1951 bool "Enable seccomp to safely compute untrusted bytecode" 1952 depends on PROC_FS && BROKEN 1953 default y 1954 help 1955 This kernel feature is useful for number crunching applications 1956 that may need to compute untrusted bytecode during their 1957 execution. By using pipes or other transports made available to 1958 the process as file descriptors supporting the read/write 1959 syscalls, it's possible to isolate those applications in 1960 their own address space using seccomp. Once seccomp is 1961 enabled via /proc/<pid>/seccomp, it cannot be disabled 1962 and the task is only allowed to execute a few safe syscalls 1963 defined by each seccomp mode. 1964 1965 If unsure, say Y. Only embedded should say N here. 1966 1967endmenu 1968 1969config RWSEM_GENERIC_SPINLOCK 1970 bool 1971 default y 1972 1973config LOCKDEP_SUPPORT 1974 bool 1975 default y 1976 1977config STACKTRACE_SUPPORT 1978 bool 1979 default y 1980 1981source "init/Kconfig" 1982 1983menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1984 1985config HW_HAS_EISA 1986 bool 1987config HW_HAS_PCI 1988 bool 1989 1990config PCI 1991 bool "Support for PCI controller" 1992 depends on HW_HAS_PCI 1993 help 1994 Find out whether you have a PCI motherboard. PCI is the name of a 1995 bus system, i.e. the way the CPU talks to the other stuff inside 1996 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1997 say Y, otherwise N. 1998 1999 The PCI-HOWTO, available from 2000 <http://www.tldp.org/docs.html#howto>, contains valuable 2001 information about which PCI hardware does work under Linux and which 2002 doesn't. 2003 2004config PCI_DOMAINS 2005 bool 2006 depends on PCI 2007 2008source "drivers/pci/Kconfig" 2009 2010# 2011# ISA support is now enabled via select. Too many systems still have the one 2012# or other ISA chip on the board that users don't know about so don't expect 2013# users to choose the right thing ... 2014# 2015config ISA 2016 bool 2017 2018config EISA 2019 bool "EISA support" 2020 depends on HW_HAS_EISA 2021 select ISA 2022 select GENERIC_ISA_DMA 2023 ---help--- 2024 The Extended Industry Standard Architecture (EISA) bus was 2025 developed as an open alternative to the IBM MicroChannel bus. 2026 2027 The EISA bus provided some of the features of the IBM MicroChannel 2028 bus while maintaining backward compatibility with cards made for 2029 the older ISA bus. The EISA bus saw limited use between 1988 and 2030 1995 when it was made obsolete by the PCI bus. 2031 2032 Say Y here if you are building a kernel for an EISA-based machine. 2033 2034 Otherwise, say N. 2035 2036source "drivers/eisa/Kconfig" 2037 2038config TC 2039 bool "TURBOchannel support" 2040 depends on MACH_DECSTATION 2041 help 2042 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2043 processors. Documentation on writing device drivers for TurboChannel 2044 is available at: 2045 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2046 2047#config ACCESSBUS 2048# bool "Access.Bus support" 2049# depends on TC 2050 2051config MMU 2052 bool 2053 default y 2054 2055config I8253 2056 bool 2057 2058source "drivers/pcmcia/Kconfig" 2059 2060source "drivers/pci/hotplug/Kconfig" 2061 2062endmenu 2063 2064menu "Executable file formats" 2065 2066source "fs/Kconfig.binfmt" 2067 2068config TRAD_SIGNALS 2069 bool 2070 2071config BUILD_ELF64 2072 bool "Use 64-bit ELF format for building" 2073 depends on 64BIT 2074 help 2075 A 64-bit kernel is usually built using the 64-bit ELF binary object 2076 format as it's one that allows arbitrary 64-bit constructs. For 2077 kernels that are loaded within the KSEG compatibility segments the 2078 32-bit ELF format can optionally be used resulting in a somewhat 2079 smaller binary, but this option is not explicitly supported by the 2080 toolchain and since binutils 2.14 it does not even work at all. 2081 2082 Say Y to use the 64-bit format or N to use the 32-bit one. 2083 2084 If unsure say Y. 2085 2086config BINFMT_IRIX 2087 bool "Include IRIX binary compatibility" 2088 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2089 2090config MIPS32_COMPAT 2091 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2092 depends on 64BIT 2093 help 2094 Select this option if you want Linux/MIPS 32-bit binary 2095 compatibility. Since all software available for Linux/MIPS is 2096 currently 32-bit you should say Y here. 2097 2098config COMPAT 2099 bool 2100 depends on MIPS32_COMPAT 2101 default y 2102 2103config SYSVIPC_COMPAT 2104 bool 2105 depends on COMPAT && SYSVIPC 2106 default y 2107 2108config MIPS32_O32 2109 bool "Kernel support for o32 binaries" 2110 depends on MIPS32_COMPAT 2111 help 2112 Select this option if you want to run o32 binaries. These are pure 2113 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2114 existing binaries are in this format. 2115 2116 If unsure, say Y. 2117 2118config MIPS32_N32 2119 bool "Kernel support for n32 binaries" 2120 depends on MIPS32_COMPAT 2121 help 2122 Select this option if you want to run n32 binaries. These are 2123 64-bit binaries using 32-bit quantities for addressing and certain 2124 data that would normally be 64-bit. They are used in special 2125 cases. 2126 2127 If unsure, say N. 2128 2129config BINFMT_ELF32 2130 bool 2131 default y if MIPS32_O32 || MIPS32_N32 2132 2133endmenu 2134 2135menu "Power management options" 2136 2137source "kernel/power/Kconfig" 2138 2139endmenu 2140 2141source "net/Kconfig" 2142 2143source "drivers/Kconfig" 2144 2145source "fs/Kconfig" 2146 2147source "arch/mips/oprofile/Kconfig" 2148 2149source "arch/mips/Kconfig.debug" 2150 2151source "security/Kconfig" 2152 2153source "crypto/Kconfig" 2154 2155source "lib/Kconfig" 2156