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 14choice 15 prompt "System type" 16 default SGI_IP22 17 18config MIPS_MTX1 19 bool "4G Systems MTX-1 board" 20 select DMA_NONCOHERENT 21 select HW_HAS_PCI 22 select RESOURCES_64BIT if PCI 23 select SOC_AU1500 24 select SYS_HAS_CPU_MIPS32_R1 25 select SYS_SUPPORTS_LITTLE_ENDIAN 26 27config MIPS_BOSPORUS 28 bool "AMD Alchemy Bosporus board" 29 select SOC_AU1500 30 select DMA_NONCOHERENT 31 select SYS_HAS_CPU_MIPS32_R1 32 select SYS_SUPPORTS_LITTLE_ENDIAN 33 34config MIPS_PB1000 35 bool "AMD Alchemy PB1000 board" 36 select SOC_AU1000 37 select DMA_NONCOHERENT 38 select HW_HAS_PCI 39 select RESOURCES_64BIT if PCI 40 select SWAP_IO_SPACE 41 select SYS_HAS_CPU_MIPS32_R1 42 select SYS_SUPPORTS_LITTLE_ENDIAN 43 44config MIPS_PB1100 45 bool "AMD Alchemy PB1100 board" 46 select SOC_AU1100 47 select DMA_NONCOHERENT 48 select HW_HAS_PCI 49 select RESOURCES_64BIT if PCI 50 select SWAP_IO_SPACE 51 select SYS_HAS_CPU_MIPS32_R1 52 select SYS_SUPPORTS_LITTLE_ENDIAN 53 54config MIPS_PB1500 55 bool "AMD Alchemy PB1500 board" 56 select SOC_AU1500 57 select DMA_NONCOHERENT 58 select HW_HAS_PCI 59 select RESOURCES_64BIT if PCI 60 select SYS_HAS_CPU_MIPS32_R1 61 select SYS_SUPPORTS_LITTLE_ENDIAN 62 63config MIPS_PB1550 64 bool "AMD Alchemy PB1550 board" 65 select SOC_AU1550 66 select DMA_NONCOHERENT 67 select HW_HAS_PCI 68 select MIPS_DISABLE_OBSOLETE_IDE 69 select RESOURCES_64BIT if PCI 70 select SYS_HAS_CPU_MIPS32_R1 71 select SYS_SUPPORTS_LITTLE_ENDIAN 72 73config MIPS_PB1200 74 bool "AMD Alchemy PB1200 board" 75 select SOC_AU1200 76 select DMA_NONCOHERENT 77 select MIPS_DISABLE_OBSOLETE_IDE 78 select RESOURCES_64BIT if PCI 79 select SYS_HAS_CPU_MIPS32_R1 80 select SYS_SUPPORTS_LITTLE_ENDIAN 81 82config MIPS_DB1000 83 bool "AMD Alchemy DB1000 board" 84 select SOC_AU1000 85 select DMA_NONCOHERENT 86 select HW_HAS_PCI 87 select RESOURCES_64BIT if PCI 88 select SYS_HAS_CPU_MIPS32_R1 89 select SYS_SUPPORTS_LITTLE_ENDIAN 90 91config MIPS_DB1100 92 bool "AMD Alchemy DB1100 board" 93 select SOC_AU1100 94 select DMA_NONCOHERENT 95 select SYS_HAS_CPU_MIPS32_R1 96 select SYS_SUPPORTS_LITTLE_ENDIAN 97 98config MIPS_DB1500 99 bool "AMD Alchemy DB1500 board" 100 select SOC_AU1500 101 select DMA_NONCOHERENT 102 select HW_HAS_PCI 103 select MIPS_DISABLE_OBSOLETE_IDE 104 select RESOURCES_64BIT if PCI 105 select SYS_HAS_CPU_MIPS32_R1 106 select SYS_SUPPORTS_BIG_ENDIAN 107 select SYS_SUPPORTS_LITTLE_ENDIAN 108 109config MIPS_DB1550 110 bool "AMD Alchemy DB1550 board" 111 select SOC_AU1550 112 select HW_HAS_PCI 113 select DMA_NONCOHERENT 114 select MIPS_DISABLE_OBSOLETE_IDE 115 select RESOURCES_64BIT if PCI 116 select SYS_HAS_CPU_MIPS32_R1 117 select SYS_SUPPORTS_LITTLE_ENDIAN 118 119config MIPS_DB1200 120 bool "AMD Alchemy DB1200 board" 121 select SOC_AU1200 122 select DMA_COHERENT 123 select MIPS_DISABLE_OBSOLETE_IDE 124 select SYS_HAS_CPU_MIPS32_R1 125 select SYS_SUPPORTS_LITTLE_ENDIAN 126 127config MIPS_MIRAGE 128 bool "AMD Alchemy Mirage board" 129 select DMA_NONCOHERENT 130 select SOC_AU1500 131 select SYS_HAS_CPU_MIPS32_R1 132 select SYS_SUPPORTS_LITTLE_ENDIAN 133 134config BASLER_EXCITE 135 bool "Basler eXcite smart camera" 136 select DMA_COHERENT 137 select HW_HAS_PCI 138 select IRQ_CPU 139 select IRQ_CPU_RM7K 140 select IRQ_CPU_RM9K 141 select MIPS_RM9122 142 select SYS_HAS_CPU_RM9000 143 select SYS_SUPPORTS_32BIT_KERNEL 144 select SYS_SUPPORTS_64BIT_KERNEL 145 select SYS_SUPPORTS_BIG_ENDIAN 146 select SYS_SUPPORTS_KGDB 147 help 148 The eXcite is a smart camera platform manufactured by 149 Basler Vision Technologies AG. 150 151config BASLER_EXCITE_PROTOTYPE 152 bool "Support for pre-release units" 153 depends on BASLER_EXCITE 154 default n 155 help 156 Pre-series (prototype) units are different from later ones in 157 some ways. Select this option if you have one of these. Please 158 note that a kernel built with this option selected will not be 159 able to run on normal units. 160 161config MIPS_COBALT 162 bool "Cobalt Server" 163 select DMA_NONCOHERENT 164 select HW_HAS_PCI 165 select I8259 166 select IRQ_CPU 167 select PCI_GT64XXX_PCI0 168 select SYS_HAS_CPU_NEVADA 169 select SYS_HAS_EARLY_PRINTK 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 PCI_GT64XXX_PCI0 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 PCI_GT64XXX_PCI0 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 BROKEN 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 PCI_GT64XXX_PCI0 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 PCI_GT64XXX_PCI0 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 PCI_GT64XXX_PCI0 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 PCI_GT64XXX_PCI0 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_JBS 473 bool "Philips PNX8550 based JBS board" 474 select PNX8550 475 select SYS_SUPPORTS_LITTLE_ENDIAN 476 477config PNX8550_STB810 478 bool "Support for Philips PNX8550 based STB810 board" 479 select PNX8550 480 select SYS_SUPPORTS_LITTLE_ENDIAN 481 482config DDB5477 483 bool "NEC DDB Vrc-5477" 484 select DDB5XXX_COMMON 485 select DMA_NONCOHERENT 486 select HW_HAS_PCI 487 select I8259 488 select IRQ_CPU 489 select SYS_HAS_CPU_R5432 490 select SYS_SUPPORTS_32BIT_KERNEL 491 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 492 select SYS_SUPPORTS_KGDB 493 select SYS_SUPPORTS_KGDB 494 select SYS_SUPPORTS_LITTLE_ENDIAN 495 help 496 This enables support for the R5432-based NEC DDB Vrc-5477, 497 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 498 499 Features : kernel debugging, serial terminal, NFS root fs, on-board 500 ether port USB, AC97, PCI, etc. 501 502config MACH_VR41XX 503 bool "NEC VR4100 series based machines" 504 select SYS_HAS_CPU_VR41XX 505 select GENERIC_HARDIRQS_NO__DO_IRQ 506 507config PMC_YOSEMITE 508 bool "PMC-Sierra Yosemite eval board" 509 select DMA_COHERENT 510 select HW_HAS_PCI 511 select IRQ_CPU 512 select IRQ_CPU_RM7K 513 select IRQ_CPU_RM9K 514 select SWAP_IO_SPACE 515 select SYS_HAS_CPU_RM9000 516 select SYS_HAS_EARLY_PRINTK 517 select SYS_SUPPORTS_32BIT_KERNEL 518 select SYS_SUPPORTS_64BIT_KERNEL 519 select SYS_SUPPORTS_BIG_ENDIAN 520 select SYS_SUPPORTS_HIGHMEM 521 select SYS_SUPPORTS_KGDB 522 select SYS_SUPPORTS_SMP 523 help 524 Yosemite is an evaluation board for the RM9000x2 processor 525 manufactured by PMC-Sierra. 526 527config QEMU 528 bool "Qemu" 529 select DMA_COHERENT 530 select GENERIC_ISA_DMA 531 select HAVE_STD_PC_SERIAL_PORT 532 select I8253 533 select I8259 534 select ISA 535 select SWAP_IO_SPACE 536 select SYS_HAS_CPU_MIPS32_R1 537 select SYS_SUPPORTS_32BIT_KERNEL 538 select SYS_SUPPORTS_BIG_ENDIAN 539 select SYS_SUPPORTS_LITTLE_ENDIAN 540 select ARCH_SPARSEMEM_ENABLE 541 select GENERIC_HARDIRQS_NO__DO_IRQ 542 select NR_CPUS_DEFAULT_1 543 select SYS_SUPPORTS_SMP 544 help 545 Qemu is a software emulator which among other architectures also 546 can simulate a MIPS32 4Kc system. This patch adds support for the 547 system architecture that currently is being simulated by Qemu. It 548 will eventually be removed again when Qemu has the capability to 549 simulate actual MIPS hardware platforms. More information on Qemu 550 can be found at http://www.linux-mips.org/wiki/Qemu. 551 552config MARKEINS 553 bool "Support for NEC EMMA2RH Mark-eins" 554 select DMA_NONCOHERENT 555 select HW_HAS_PCI 556 select IRQ_CPU 557 select SWAP_IO_SPACE 558 select SYS_SUPPORTS_32BIT_KERNEL 559 select SYS_SUPPORTS_BIG_ENDIAN 560 select SYS_SUPPORTS_LITTLE_ENDIAN 561 select SYS_HAS_CPU_R5000 562 help 563 This enables support for the R5432-based NEC Mark-eins 564 boards with R5500 CPU. 565 566config SGI_IP22 567 bool "SGI IP22 (Indy/Indigo2)" 568 select ARC 569 select ARC32 570 select BOOT_ELF32 571 select DMA_NONCOHERENT 572 select HW_HAS_EISA 573 select IP22_CPU_SCACHE 574 select IRQ_CPU 575 select GENERIC_ISA_DMA_SUPPORT_BROKEN 576 select SWAP_IO_SPACE 577 select SYS_HAS_CPU_R4X00 578 select SYS_HAS_CPU_R5000 579 select SYS_HAS_EARLY_PRINTK 580 select SYS_SUPPORTS_32BIT_KERNEL 581 select SYS_SUPPORTS_64BIT_KERNEL 582 select SYS_SUPPORTS_BIG_ENDIAN 583 help 584 This are the SGI Indy, Challenge S and Indigo2, as well as certain 585 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 586 that runs on these, say Y here. 587 588config SGI_IP27 589 bool "SGI IP27 (Origin200/2000)" 590 select ARC 591 select ARC64 592 select BOOT_ELF64 593 select DMA_IP27 594 select SYS_HAS_EARLY_PRINTK 595 select HW_HAS_PCI 596 select NR_CPUS_DEFAULT_64 597 select PCI_DOMAINS 598 select SYS_HAS_CPU_R10000 599 select SYS_SUPPORTS_64BIT_KERNEL 600 select SYS_SUPPORTS_BIG_ENDIAN 601 select SYS_SUPPORTS_KGDB 602 select SYS_SUPPORTS_NUMA 603 select SYS_SUPPORTS_SMP 604 select GENERIC_HARDIRQS_NO__DO_IRQ 605 help 606 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 607 workstations. To compile a Linux kernel that runs on these, say Y 608 here. 609 610config SGI_IP32 611 bool "SGI IP32 (O2) (EXPERIMENTAL)" 612 depends on EXPERIMENTAL 613 select ARC 614 select ARC32 615 select BOOT_ELF32 616 select DMA_NONCOHERENT 617 select HW_HAS_PCI 618 select R5000_CPU_SCACHE 619 select RM7000_CPU_SCACHE 620 select SYS_HAS_CPU_R5000 621 select SYS_HAS_CPU_R10000 if BROKEN 622 select SYS_HAS_CPU_RM7000 623 select SYS_HAS_CPU_NEVADA 624 select SYS_SUPPORTS_64BIT_KERNEL 625 select SYS_SUPPORTS_BIG_ENDIAN 626 help 627 If you want this kernel to run on SGI O2 workstation, say Y here. 628 629config SIBYTE_BIGSUR 630 bool "Sibyte BCM91480B-BigSur" 631 select BOOT_ELF32 632 select DMA_COHERENT 633 select NR_CPUS_DEFAULT_4 634 select PCI_DOMAINS 635 select SIBYTE_BCM1x80 636 select SWAP_IO_SPACE 637 select SYS_HAS_CPU_SB1 638 select SYS_SUPPORTS_BIG_ENDIAN 639 select SYS_SUPPORTS_LITTLE_ENDIAN 640 641config SIBYTE_SWARM 642 bool "Sibyte BCM91250A-SWARM" 643 select BOOT_ELF32 644 select DMA_COHERENT 645 select NR_CPUS_DEFAULT_2 646 select SIBYTE_SB1250 647 select SWAP_IO_SPACE 648 select SYS_HAS_CPU_SB1 649 select SYS_SUPPORTS_BIG_ENDIAN 650 select SYS_SUPPORTS_HIGHMEM 651 select SYS_SUPPORTS_KGDB 652 select SYS_SUPPORTS_LITTLE_ENDIAN 653 654config SIBYTE_SENTOSA 655 bool "Sibyte BCM91250E-Sentosa" 656 depends on EXPERIMENTAL 657 select BOOT_ELF32 658 select DMA_COHERENT 659 select NR_CPUS_DEFAULT_2 660 select SIBYTE_SB1250 661 select SWAP_IO_SPACE 662 select SYS_HAS_CPU_SB1 663 select SYS_SUPPORTS_BIG_ENDIAN 664 select SYS_SUPPORTS_LITTLE_ENDIAN 665 666config SIBYTE_RHONE 667 bool "Sibyte BCM91125E-Rhone" 668 depends on EXPERIMENTAL 669 select BOOT_ELF32 670 select DMA_COHERENT 671 select SIBYTE_BCM1125H 672 select SWAP_IO_SPACE 673 select SYS_HAS_CPU_SB1 674 select SYS_SUPPORTS_BIG_ENDIAN 675 select SYS_SUPPORTS_LITTLE_ENDIAN 676 677config SIBYTE_CARMEL 678 bool "Sibyte BCM91120x-Carmel" 679 depends on EXPERIMENTAL 680 select BOOT_ELF32 681 select DMA_COHERENT 682 select SIBYTE_BCM1120 683 select SWAP_IO_SPACE 684 select SYS_HAS_CPU_SB1 685 select SYS_SUPPORTS_BIG_ENDIAN 686 select SYS_SUPPORTS_LITTLE_ENDIAN 687 688config SIBYTE_PTSWARM 689 bool "Sibyte BCM91250PT-PTSWARM" 690 depends on EXPERIMENTAL 691 select BOOT_ELF32 692 select DMA_COHERENT 693 select NR_CPUS_DEFAULT_2 694 select SIBYTE_SB1250 695 select SWAP_IO_SPACE 696 select SYS_HAS_CPU_SB1 697 select SYS_SUPPORTS_BIG_ENDIAN 698 select SYS_SUPPORTS_HIGHMEM 699 select SYS_SUPPORTS_LITTLE_ENDIAN 700 701config SIBYTE_LITTLESUR 702 bool "Sibyte BCM91250C2-LittleSur" 703 depends on EXPERIMENTAL 704 select BOOT_ELF32 705 select DMA_COHERENT 706 select NR_CPUS_DEFAULT_2 707 select SIBYTE_SB1250 708 select SWAP_IO_SPACE 709 select SYS_HAS_CPU_SB1 710 select SYS_SUPPORTS_BIG_ENDIAN 711 select SYS_SUPPORTS_HIGHMEM 712 select SYS_SUPPORTS_LITTLE_ENDIAN 713 714config SIBYTE_CRHINE 715 bool "Sibyte BCM91120C-CRhine" 716 depends on EXPERIMENTAL 717 select BOOT_ELF32 718 select DMA_COHERENT 719 select SIBYTE_BCM1120 720 select SWAP_IO_SPACE 721 select SYS_HAS_CPU_SB1 722 select SYS_SUPPORTS_BIG_ENDIAN 723 select SYS_SUPPORTS_LITTLE_ENDIAN 724 725config SIBYTE_CRHONE 726 bool "Sibyte BCM91125C-CRhone" 727 depends on EXPERIMENTAL 728 select BOOT_ELF32 729 select DMA_COHERENT 730 select SIBYTE_BCM1125 731 select SWAP_IO_SPACE 732 select SYS_HAS_CPU_SB1 733 select SYS_SUPPORTS_BIG_ENDIAN 734 select SYS_SUPPORTS_HIGHMEM 735 select SYS_SUPPORTS_LITTLE_ENDIAN 736 737config SNI_RM 738 bool "SNI RM200/300/400" 739 select ARC if CPU_LITTLE_ENDIAN 740 select ARC32 if CPU_LITTLE_ENDIAN 741 select ARCH_MAY_HAVE_PC_FDC 742 select BOOT_ELF32 743 select DMA_NONCOHERENT 744 select GENERIC_ISA_DMA 745 select HW_HAS_EISA 746 select HW_HAS_PCI 747 select IRQ_CPU 748 select I8253 749 select I8259 750 select ISA 751 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 752 select SYS_HAS_CPU_R4X00 753 select SYS_HAS_CPU_R5000 754 select SYS_HAS_CPU_R10000 755 select R5000_CPU_SCACHE 756 select SYS_HAS_EARLY_PRINTK 757 select SYS_SUPPORTS_32BIT_KERNEL 758 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 759 select SYS_SUPPORTS_BIG_ENDIAN 760 select SYS_SUPPORTS_HIGHMEM 761 select SYS_SUPPORTS_LITTLE_ENDIAN 762 help 763 The SNI RM200/300/400 are MIPS-based machines manufactured by 764 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 765 Technology and now in turn merged with Fujitsu. Say Y here to 766 support this machine type. 767 768config TOSHIBA_JMR3927 769 bool "Toshiba JMR-TX3927 board" 770 select DMA_NONCOHERENT 771 select HW_HAS_PCI 772 select MIPS_TX3927 773 select SWAP_IO_SPACE 774 select SYS_HAS_CPU_TX39XX 775 select SYS_SUPPORTS_32BIT_KERNEL 776 select SYS_SUPPORTS_LITTLE_ENDIAN 777 select SYS_SUPPORTS_BIG_ENDIAN 778 select TOSHIBA_BOARDS 779 select GENERIC_HARDIRQS_NO__DO_IRQ 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 select ZONE_DMA 924 925config I8259 926 bool 927 928config LIMITED_DMA 929 bool 930 select HIGHMEM 931 select SYS_SUPPORTS_HIGHMEM 932 933config MIPS_BONITO64 934 bool 935 936config MIPS_MSC 937 bool 938 939config MIPS_NILE4 940 bool 941 942config MIPS_DISABLE_OBSOLETE_IDE 943 bool 944 945config GENERIC_ISA_DMA_SUPPORT_BROKEN 946 bool 947 select ZONE_DMA 948 949# 950# Endianess selection. Sufficiently obscure so many users don't know what to 951# answer,so we try hard to limit the available choices. Also the use of a 952# choice statement should be more obvious to the user. 953# 954choice 955 prompt "Endianess selection" 956 help 957 Some MIPS machines can be configured for either little or big endian 958 byte order. These modes require different kernels and a different 959 Linux distribution. In general there is one preferred byteorder for a 960 particular system but some systems are just as commonly used in the 961 one or the other endianess. 962 963config CPU_BIG_ENDIAN 964 bool "Big endian" 965 depends on SYS_SUPPORTS_BIG_ENDIAN 966 967config CPU_LITTLE_ENDIAN 968 bool "Little endian" 969 depends on SYS_SUPPORTS_LITTLE_ENDIAN 970 help 971 972endchoice 973 974config SYS_SUPPORTS_APM_EMULATION 975 bool 976 977config SYS_SUPPORTS_BIG_ENDIAN 978 bool 979 980config SYS_SUPPORTS_LITTLE_ENDIAN 981 bool 982 983config IRQ_CPU 984 bool 985 986config IRQ_CPU_RM7K 987 bool 988 989config IRQ_CPU_RM9K 990 bool 991 992config IRQ_MV64340 993 bool 994 995config DDB5XXX_COMMON 996 bool 997 select SYS_SUPPORTS_KGDB 998 999config MIPS_BOARDS_GEN 1000 bool 1001 1002config PCI_GT64XXX_PCI0 1003 bool 1004 1005config MIPS_TX3927 1006 bool 1007 select HAS_TXX9_SERIAL 1008 1009config MIPS_RM9122 1010 bool 1011 select SERIAL_RM9000 1012 select GPI_RM9000 1013 select WDT_RM9000 1014 1015config PCI_MARVELL 1016 bool 1017 1018config SOC_AU1000 1019 bool 1020 select SOC_AU1X00 1021 1022config SOC_AU1100 1023 bool 1024 select SOC_AU1X00 1025 1026config SOC_AU1500 1027 bool 1028 select SOC_AU1X00 1029 1030config SOC_AU1550 1031 bool 1032 select SOC_AU1X00 1033 1034config SOC_AU1200 1035 bool 1036 select SOC_AU1X00 1037 1038config SOC_AU1X00 1039 bool 1040 select SYS_HAS_CPU_MIPS32_R1 1041 select SYS_SUPPORTS_32BIT_KERNEL 1042 select SYS_SUPPORTS_APM_EMULATION 1043 select SYS_SUPPORTS_KGDB 1044 1045config SERIAL_RM9000 1046 bool 1047 1048config PNX8550 1049 bool 1050 select SOC_PNX8550 1051 1052config SOC_PNX8550 1053 bool 1054 select DMA_NONCOHERENT 1055 select HW_HAS_PCI 1056 select SYS_HAS_CPU_MIPS32_R1 1057 select SYS_HAS_EARLY_PRINTK 1058 select SYS_SUPPORTS_32BIT_KERNEL 1059 select GENERIC_HARDIRQS_NO__DO_IRQ 1060 select SYS_SUPPORTS_KGDB 1061 1062config SWAP_IO_SPACE 1063 bool 1064 1065config EMMA2RH 1066 bool 1067 depends on MARKEINS 1068 default y 1069 1070config SERIAL_RM9000 1071 bool 1072 1073config GPI_RM9000 1074 bool 1075 1076config WDT_RM9000 1077 bool 1078 1079# 1080# Unfortunately not all GT64120 systems run the chip at the same clock. 1081# As the user for the clock rate and try to minimize the available options. 1082# 1083choice 1084 prompt "Galileo Chip Clock" 1085 #default SYSCLK_83 if MIPS_EV64120 1086 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1087 default SYSCLK_83 if MIPS_EV64120 1088 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 1089 1090config SYSCLK_75 1091 bool "75" if MIPS_EV64120 1092 1093config SYSCLK_83 1094 bool "83.3" if MIPS_EV64120 1095 1096config SYSCLK_100 1097 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1098 1099endchoice 1100 1101config ARC32 1102 bool 1103 1104config BOOT_ELF32 1105 bool 1106 1107config MIPS_L1_CACHE_SHIFT 1108 int 1109 default "4" if MACH_DECSTATION || SNI_RM 1110 default "7" if SGI_IP27 1111 default "5" 1112 1113config HAVE_STD_PC_SERIAL_PORT 1114 bool 1115 1116config ARC_CONSOLE 1117 bool "ARC console support" 1118 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 1119 1120config ARC_MEMORY 1121 bool 1122 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1123 default y 1124 1125config ARC_PROMLIB 1126 bool 1127 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 1128 default y 1129 1130config ARC64 1131 bool 1132 1133config BOOT_ELF64 1134 bool 1135 1136config TOSHIBA_BOARDS 1137 bool 1138 1139menu "CPU selection" 1140 1141choice 1142 prompt "CPU type" 1143 default CPU_R4X00 1144 1145config CPU_MIPS32_R1 1146 bool "MIPS32 Release 1" 1147 depends on SYS_HAS_CPU_MIPS32_R1 1148 select CPU_HAS_LLSC 1149 select CPU_HAS_PREFETCH 1150 select CPU_SUPPORTS_32BIT_KERNEL 1151 select CPU_SUPPORTS_HIGHMEM 1152 help 1153 Choose this option to build a kernel for release 1 or later of the 1154 MIPS32 architecture. Most modern embedded systems with a 32-bit 1155 MIPS processor are based on a MIPS32 processor. If you know the 1156 specific type of processor in your system, choose those that one 1157 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1158 Release 2 of the MIPS32 architecture is available since several 1159 years so chances are you even have a MIPS32 Release 2 processor 1160 in which case you should choose CPU_MIPS32_R2 instead for better 1161 performance. 1162 1163config CPU_MIPS32_R2 1164 bool "MIPS32 Release 2" 1165 depends on SYS_HAS_CPU_MIPS32_R2 1166 select CPU_HAS_LLSC 1167 select CPU_HAS_PREFETCH 1168 select CPU_SUPPORTS_32BIT_KERNEL 1169 select CPU_SUPPORTS_HIGHMEM 1170 help 1171 Choose this option to build a kernel for release 2 or later of the 1172 MIPS32 architecture. Most modern embedded systems with a 32-bit 1173 MIPS processor are based on a MIPS32 processor. If you know the 1174 specific type of processor in your system, choose those that one 1175 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1176 1177config CPU_MIPS64_R1 1178 bool "MIPS64 Release 1" 1179 depends on SYS_HAS_CPU_MIPS64_R1 1180 select CPU_HAS_LLSC 1181 select CPU_HAS_PREFETCH 1182 select CPU_SUPPORTS_32BIT_KERNEL 1183 select CPU_SUPPORTS_64BIT_KERNEL 1184 select CPU_SUPPORTS_HIGHMEM 1185 help 1186 Choose this option to build a kernel for release 1 or later of the 1187 MIPS64 architecture. Many modern embedded systems with a 64-bit 1188 MIPS processor are based on a MIPS64 processor. If you know the 1189 specific type of processor in your system, choose those that one 1190 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1191 Release 2 of the MIPS64 architecture is available since several 1192 years so chances are you even have a MIPS64 Release 2 processor 1193 in which case you should choose CPU_MIPS64_R2 instead for better 1194 performance. 1195 1196config CPU_MIPS64_R2 1197 bool "MIPS64 Release 2" 1198 depends on SYS_HAS_CPU_MIPS64_R2 1199 select CPU_HAS_LLSC 1200 select CPU_HAS_PREFETCH 1201 select CPU_SUPPORTS_32BIT_KERNEL 1202 select CPU_SUPPORTS_64BIT_KERNEL 1203 select CPU_SUPPORTS_HIGHMEM 1204 help 1205 Choose this option to build a kernel for release 2 or later of the 1206 MIPS64 architecture. Many modern embedded systems with a 64-bit 1207 MIPS processor are based on a MIPS64 processor. If you know the 1208 specific type of processor in your system, choose those that one 1209 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1210 1211config CPU_R3000 1212 bool "R3000" 1213 depends on SYS_HAS_CPU_R3000 1214 select CPU_HAS_WB 1215 select CPU_SUPPORTS_32BIT_KERNEL 1216 select CPU_SUPPORTS_HIGHMEM 1217 help 1218 Please make sure to pick the right CPU type. Linux/MIPS is not 1219 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1220 *not* work on R4000 machines and vice versa. However, since most 1221 of the supported machines have an R4000 (or similar) CPU, R4x00 1222 might be a safe bet. If the resulting kernel does not work, 1223 try to recompile with R3000. 1224 1225config CPU_TX39XX 1226 bool "R39XX" 1227 depends on SYS_HAS_CPU_TX39XX 1228 select CPU_SUPPORTS_32BIT_KERNEL 1229 1230config CPU_VR41XX 1231 bool "R41xx" 1232 depends on SYS_HAS_CPU_VR41XX 1233 select CPU_SUPPORTS_32BIT_KERNEL 1234 select CPU_SUPPORTS_64BIT_KERNEL 1235 help 1236 The options selects support for the NEC VR4100 series of processors. 1237 Only choose this option if you have one of these processors as a 1238 kernel built with this option will not run on any other type of 1239 processor or vice versa. 1240 1241config CPU_R4300 1242 bool "R4300" 1243 depends on SYS_HAS_CPU_R4300 1244 select CPU_HAS_LLSC 1245 select CPU_SUPPORTS_32BIT_KERNEL 1246 select CPU_SUPPORTS_64BIT_KERNEL 1247 help 1248 MIPS Technologies R4300-series processors. 1249 1250config CPU_R4X00 1251 bool "R4x00" 1252 depends on SYS_HAS_CPU_R4X00 1253 select CPU_HAS_LLSC 1254 select CPU_SUPPORTS_32BIT_KERNEL 1255 select CPU_SUPPORTS_64BIT_KERNEL 1256 help 1257 MIPS Technologies R4000-series processors other than 4300, including 1258 the R4000, R4400, R4600, and 4700. 1259 1260config CPU_TX49XX 1261 bool "R49XX" 1262 depends on SYS_HAS_CPU_TX49XX 1263 select CPU_HAS_LLSC 1264 select CPU_HAS_PREFETCH 1265 select CPU_SUPPORTS_32BIT_KERNEL 1266 select CPU_SUPPORTS_64BIT_KERNEL 1267 1268config CPU_R5000 1269 bool "R5000" 1270 depends on SYS_HAS_CPU_R5000 1271 select CPU_HAS_LLSC 1272 select CPU_SUPPORTS_32BIT_KERNEL 1273 select CPU_SUPPORTS_64BIT_KERNEL 1274 help 1275 MIPS Technologies R5000-series processors other than the Nevada. 1276 1277config CPU_R5432 1278 bool "R5432" 1279 depends on SYS_HAS_CPU_R5432 1280 select CPU_HAS_LLSC 1281 select CPU_SUPPORTS_32BIT_KERNEL 1282 select CPU_SUPPORTS_64BIT_KERNEL 1283 1284config CPU_R6000 1285 bool "R6000" 1286 depends on EXPERIMENTAL 1287 select CPU_HAS_LLSC 1288 depends on SYS_HAS_CPU_R6000 1289 select CPU_SUPPORTS_32BIT_KERNEL 1290 help 1291 MIPS Technologies R6000 and R6000A series processors. Note these 1292 processors are extremely rare and the support for them is incomplete. 1293 1294config CPU_NEVADA 1295 bool "RM52xx" 1296 depends on SYS_HAS_CPU_NEVADA 1297 select CPU_HAS_LLSC 1298 select CPU_SUPPORTS_32BIT_KERNEL 1299 select CPU_SUPPORTS_64BIT_KERNEL 1300 help 1301 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1302 1303config CPU_R8000 1304 bool "R8000" 1305 depends on EXPERIMENTAL 1306 depends on SYS_HAS_CPU_R8000 1307 select CPU_HAS_LLSC 1308 select CPU_HAS_PREFETCH 1309 select CPU_SUPPORTS_64BIT_KERNEL 1310 help 1311 MIPS Technologies R8000 processors. Note these processors are 1312 uncommon and the support for them is incomplete. 1313 1314config CPU_R10000 1315 bool "R10000" 1316 depends on SYS_HAS_CPU_R10000 1317 select CPU_HAS_LLSC 1318 select CPU_HAS_PREFETCH 1319 select CPU_SUPPORTS_32BIT_KERNEL 1320 select CPU_SUPPORTS_64BIT_KERNEL 1321 select CPU_SUPPORTS_HIGHMEM 1322 help 1323 MIPS Technologies R10000-series processors. 1324 1325config CPU_RM7000 1326 bool "RM7000" 1327 depends on SYS_HAS_CPU_RM7000 1328 select CPU_HAS_LLSC 1329 select CPU_HAS_PREFETCH 1330 select CPU_SUPPORTS_32BIT_KERNEL 1331 select CPU_SUPPORTS_64BIT_KERNEL 1332 select CPU_SUPPORTS_HIGHMEM 1333 1334config CPU_RM9000 1335 bool "RM9000" 1336 depends on SYS_HAS_CPU_RM9000 1337 select CPU_HAS_LLSC 1338 select CPU_HAS_PREFETCH 1339 select CPU_SUPPORTS_32BIT_KERNEL 1340 select CPU_SUPPORTS_64BIT_KERNEL 1341 select CPU_SUPPORTS_HIGHMEM 1342 select WEAK_ORDERING 1343 1344config CPU_SB1 1345 bool "SB1" 1346 depends on SYS_HAS_CPU_SB1 1347 select CPU_HAS_LLSC 1348 select CPU_SUPPORTS_32BIT_KERNEL 1349 select CPU_SUPPORTS_64BIT_KERNEL 1350 select CPU_SUPPORTS_HIGHMEM 1351 select WEAK_ORDERING 1352 1353endchoice 1354 1355config SYS_HAS_CPU_MIPS32_R1 1356 bool 1357 1358config SYS_HAS_CPU_MIPS32_R2 1359 bool 1360 1361config SYS_HAS_CPU_MIPS64_R1 1362 bool 1363 1364config SYS_HAS_CPU_MIPS64_R2 1365 bool 1366 1367config SYS_HAS_CPU_R3000 1368 bool 1369 1370config SYS_HAS_CPU_TX39XX 1371 bool 1372 1373config SYS_HAS_CPU_VR41XX 1374 bool 1375 1376config SYS_HAS_CPU_R4300 1377 bool 1378 1379config SYS_HAS_CPU_R4X00 1380 bool 1381 1382config SYS_HAS_CPU_TX49XX 1383 bool 1384 1385config SYS_HAS_CPU_R5000 1386 bool 1387 1388config SYS_HAS_CPU_R5432 1389 bool 1390 1391config SYS_HAS_CPU_R6000 1392 bool 1393 1394config SYS_HAS_CPU_NEVADA 1395 bool 1396 1397config SYS_HAS_CPU_R8000 1398 bool 1399 1400config SYS_HAS_CPU_R10000 1401 bool 1402 1403config SYS_HAS_CPU_RM7000 1404 bool 1405 1406config SYS_HAS_CPU_RM9000 1407 bool 1408 1409config SYS_HAS_CPU_SB1 1410 bool 1411 1412config WEAK_ORDERING 1413 bool 1414endmenu 1415 1416# 1417# These two indicate any level of the MIPS32 and MIPS64 architecture 1418# 1419config CPU_MIPS32 1420 bool 1421 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1422 1423config CPU_MIPS64 1424 bool 1425 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1426 1427# 1428# These two indicate the revision of the architecture, either Release 1 or Release 2 1429# 1430config CPU_MIPSR1 1431 bool 1432 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1433 1434config CPU_MIPSR2 1435 bool 1436 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1437 1438config SYS_SUPPORTS_32BIT_KERNEL 1439 bool 1440config SYS_SUPPORTS_64BIT_KERNEL 1441 bool 1442config CPU_SUPPORTS_32BIT_KERNEL 1443 bool 1444config CPU_SUPPORTS_64BIT_KERNEL 1445 bool 1446 1447menu "Kernel type" 1448 1449choice 1450 1451 prompt "Kernel code model" 1452 help 1453 You should only select this option if you have a workload that 1454 actually benefits from 64-bit processing or if your machine has 1455 large memory. You will only be presented a single option in this 1456 menu if your system does not support both 32-bit and 64-bit kernels. 1457 1458config 32BIT 1459 bool "32-bit kernel" 1460 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1461 select TRAD_SIGNALS 1462 help 1463 Select this option if you want to build a 32-bit kernel. 1464config 64BIT 1465 bool "64-bit kernel" 1466 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1467 help 1468 Select this option if you want to build a 64-bit kernel. 1469 1470endchoice 1471 1472choice 1473 prompt "Kernel page size" 1474 default PAGE_SIZE_4KB 1475 1476config PAGE_SIZE_4KB 1477 bool "4kB" 1478 help 1479 This option select the standard 4kB Linux page size. On some 1480 R3000-family processors this is the only available page size. Using 1481 4kB page size will minimize memory consumption and is therefore 1482 recommended for low memory systems. 1483 1484config PAGE_SIZE_8KB 1485 bool "8kB" 1486 depends on EXPERIMENTAL && CPU_R8000 1487 help 1488 Using 8kB page size will result in higher performance kernel at 1489 the price of higher memory consumption. This option is available 1490 only on the R8000 processor. Not that at the time of this writing 1491 this option is still high experimental; there are also issues with 1492 compatibility of user applications. 1493 1494config PAGE_SIZE_16KB 1495 bool "16kB" 1496 depends on !CPU_R3000 && !CPU_TX39XX 1497 help 1498 Using 16kB page size will result in higher performance kernel at 1499 the price of higher memory consumption. This option is available on 1500 all non-R3000 family processors. Note that you will need a suitable 1501 Linux distribution to support this. 1502 1503config PAGE_SIZE_64KB 1504 bool "64kB" 1505 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1506 help 1507 Using 64kB page size will result in higher performance kernel at 1508 the price of higher memory consumption. This option is available on 1509 all non-R3000 family processor. Not that at the time of this 1510 writing this option is still high experimental. 1511 1512endchoice 1513 1514config BOARD_SCACHE 1515 bool 1516 1517config IP22_CPU_SCACHE 1518 bool 1519 select BOARD_SCACHE 1520 1521# 1522# Support for a MIPS32 / MIPS64 style S-caches 1523# 1524config MIPS_CPU_SCACHE 1525 bool 1526 select BOARD_SCACHE 1527 1528config R5000_CPU_SCACHE 1529 bool 1530 select BOARD_SCACHE 1531 1532config RM7000_CPU_SCACHE 1533 bool 1534 select BOARD_SCACHE 1535 1536config SIBYTE_DMA_PAGEOPS 1537 bool "Use DMA to clear/copy pages" 1538 depends on CPU_SB1 1539 help 1540 Instead of using the CPU to zero and copy pages, use a Data Mover 1541 channel. These DMA channels are otherwise unused by the standard 1542 SiByte Linux port. Seems to give a small performance benefit. 1543 1544config CPU_HAS_PREFETCH 1545 bool 1546 1547choice 1548 prompt "MIPS MT options" 1549 1550config MIPS_MT_DISABLED 1551 bool "Disable multithreading support." 1552 help 1553 Use this option if your workload can't take advantage of 1554 MIPS hardware multithreading support. On systems that don't have 1555 the option of an MT-enabled processor this option will be the only 1556 option in this menu. 1557 1558config MIPS_MT_SMP 1559 bool "Use 1 TC on each available VPE for SMP" 1560 depends on SYS_SUPPORTS_MULTITHREADING 1561 select CPU_MIPSR2_IRQ_VI 1562 select CPU_MIPSR2_SRS 1563 select MIPS_MT 1564 select NR_CPUS_DEFAULT_2 1565 select SMP 1566 select SYS_SUPPORTS_SMP 1567 help 1568 This is a kernel model which is also known a VSMP or lately 1569 has been marketesed into SMVP. 1570 1571config MIPS_MT_SMTC 1572 bool "SMTC: Use all TCs on all VPEs for SMP" 1573 depends on CPU_MIPS32_R2 1574 #depends on CPU_MIPS64_R2 # once there is hardware ... 1575 depends on SYS_SUPPORTS_MULTITHREADING 1576 select CPU_MIPSR2_IRQ_VI 1577 select CPU_MIPSR2_SRS 1578 select MIPS_MT 1579 select NR_CPUS_DEFAULT_8 1580 select SMP 1581 select SYS_SUPPORTS_SMP 1582 help 1583 This is a kernel model which is known a SMTC or lately has been 1584 marketesed into SMVP. 1585 1586config MIPS_VPE_LOADER 1587 bool "VPE loader support." 1588 depends on SYS_SUPPORTS_MULTITHREADING 1589 select MIPS_MT 1590 help 1591 Includes a loader for loading an elf relocatable object 1592 onto another VPE and running it. 1593 1594endchoice 1595 1596config MIPS_MT 1597 bool 1598 1599config SYS_SUPPORTS_MULTITHREADING 1600 bool 1601 1602config MIPS_MT_FPAFF 1603 bool "Dynamic FPU affinity for FP-intensive threads" 1604 depends on MIPS_MT 1605 default y 1606 1607config MIPS_MT_SMTC_INSTANT_REPLAY 1608 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1609 depends on MIPS_MT_SMTC && !PREEMPT 1610 default y 1611 help 1612 SMTC pseudo-interrupts between TCs are deferred and queued 1613 if the target TC is interrupt-inhibited (IXMT). In the first 1614 SMTC prototypes, these queued IPIs were serviced on return 1615 to user mode, or on entry into the kernel idle loop. The 1616 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1617 processing, which adds runtime overhead (hence the option to turn 1618 it off), but ensures that IPIs are handled promptly even under 1619 heavy I/O interrupt load. 1620 1621config MIPS_VPE_LOADER_TOM 1622 bool "Load VPE program into memory hidden from linux" 1623 depends on MIPS_VPE_LOADER 1624 default y 1625 help 1626 The loader can use memory that is present but has been hidden from 1627 Linux using the kernel command line option "mem=xxMB". It's up to 1628 you to ensure the amount you put in the option and the space your 1629 program requires is less or equal to the amount physically present. 1630 1631# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1632config MIPS_VPE_APSP_API 1633 bool "Enable support for AP/SP API (RTLX)" 1634 depends on MIPS_VPE_LOADER 1635 help 1636 1637config MIPS_APSP_KSPD 1638 bool "Enable KSPD" 1639 depends on MIPS_VPE_APSP_API 1640 default y 1641 help 1642 KSPD is a kernel daemon that accepts syscall requests from the SP 1643 side, actions them and returns the results. It also handles the 1644 "exit" syscall notifying other kernel modules the SP program is 1645 exiting. You probably want to say yes here. 1646 1647config SB1_PASS_1_WORKAROUNDS 1648 bool 1649 depends on CPU_SB1_PASS_1 1650 default y 1651 1652config SB1_PASS_2_WORKAROUNDS 1653 bool 1654 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1655 default y 1656 1657config SB1_PASS_2_1_WORKAROUNDS 1658 bool 1659 depends on CPU_SB1 && CPU_SB1_PASS_2 1660 default y 1661 1662config 64BIT_PHYS_ADDR 1663 bool "Support for 64-bit physical address space" 1664 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1665 1666config CPU_HAS_LLSC 1667 bool 1668 1669config CPU_HAS_SMARTMIPS 1670 depends on SYS_SUPPORTS_SMARTMIPS 1671 bool "Support for the SmartMIPS ASE" 1672 help 1673 SmartMIPS is a extension of the MIPS32 architecture aimed at 1674 increased security at both hardware and software level for 1675 smartcards. Enabling this option will allow proper use of the 1676 SmartMIPS instructions by Linux applications. However a kernel with 1677 this option will not work on a MIPS core without SmartMIPS core. If 1678 you don't know you probably don't have SmartMIPS and should say N 1679 here. 1680 1681config CPU_HAS_WB 1682 bool 1683 1684# 1685# Vectored interrupt mode is an R2 feature 1686# 1687config CPU_MIPSR2_IRQ_VI 1688 bool 1689 1690# 1691# Extended interrupt mode is an R2 feature 1692# 1693config CPU_MIPSR2_IRQ_EI 1694 bool 1695 1696# 1697# Shadow registers are an R2 feature 1698# 1699config CPU_MIPSR2_SRS 1700 bool 1701 1702config CPU_HAS_SYNC 1703 bool 1704 depends on !CPU_R3000 1705 default y 1706 1707# 1708# Use the generic interrupt handling code in kernel/irq/: 1709# 1710config GENERIC_HARDIRQS 1711 bool 1712 default y 1713 1714config GENERIC_IRQ_PROBE 1715 bool 1716 default y 1717 1718config IRQ_PER_CPU 1719 bool 1720 1721# 1722# - Highmem only makes sense for the 32-bit kernel. 1723# - The current highmem code will only work properly on physically indexed 1724# caches such as R3000, SB1, R7000 or those that look like they're virtually 1725# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1726# moment we protect the user and offer the highmem option only on machines 1727# where it's known to be safe. This will not offer highmem on a few systems 1728# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1729# indexed CPUs but we're playing safe. 1730# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1731# know they might have memory configurations that could make use of highmem 1732# support. 1733# 1734config HIGHMEM 1735 bool "High Memory Support" 1736 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1737 1738config CPU_SUPPORTS_HIGHMEM 1739 bool 1740 1741config SYS_SUPPORTS_HIGHMEM 1742 bool 1743 1744config SYS_SUPPORTS_SMARTMIPS 1745 bool 1746 1747config ARCH_FLATMEM_ENABLE 1748 def_bool y 1749 depends on !NUMA 1750 1751config ARCH_DISCONTIGMEM_ENABLE 1752 bool 1753 default y if SGI_IP27 1754 help 1755 Say Y to upport efficient handling of discontiguous physical memory, 1756 for architectures which are either NUMA (Non-Uniform Memory Access) 1757 or have huge holes in the physical address space for other reasons. 1758 See <file:Documentation/vm/numa> for more. 1759 1760config ARCH_SPARSEMEM_ENABLE 1761 bool 1762 select SPARSEMEM_STATIC 1763 1764config NUMA 1765 bool "NUMA Support" 1766 depends on SYS_SUPPORTS_NUMA 1767 help 1768 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1769 Access). This option improves performance on systems with more 1770 than two nodes; on two node systems it is generally better to 1771 leave it disabled; on single node systems disable this option 1772 disabled. 1773 1774config SYS_SUPPORTS_NUMA 1775 bool 1776 1777config NODES_SHIFT 1778 int 1779 default "6" 1780 depends on NEED_MULTIPLE_NODES 1781 1782source "mm/Kconfig" 1783 1784config SMP 1785 bool "Multi-Processing support" 1786 depends on SYS_SUPPORTS_SMP 1787 select IRQ_PER_CPU 1788 help 1789 This enables support for systems with more than one CPU. If you have 1790 a system with only one CPU, like most personal computers, say N. If 1791 you have a system with more than one CPU, say Y. 1792 1793 If you say N here, the kernel will run on single and multiprocessor 1794 machines, but will use only one CPU of a multiprocessor machine. If 1795 you say Y here, the kernel will run on many, but not all, 1796 singleprocessor machines. On a singleprocessor machine, the kernel 1797 will run faster if you say N here. 1798 1799 People using multiprocessor machines who say Y here should also say 1800 Y to "Enhanced Real Time Clock Support", below. 1801 1802 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1803 available at <http://www.tldp.org/docs.html#howto>. 1804 1805 If you don't know what to do here, say N. 1806 1807config SYS_SUPPORTS_SMP 1808 bool 1809 1810config NR_CPUS_DEFAULT_1 1811 bool 1812 1813config NR_CPUS_DEFAULT_2 1814 bool 1815 1816config NR_CPUS_DEFAULT_4 1817 bool 1818 1819config NR_CPUS_DEFAULT_8 1820 bool 1821 1822config NR_CPUS_DEFAULT_16 1823 bool 1824 1825config NR_CPUS_DEFAULT_32 1826 bool 1827 1828config NR_CPUS_DEFAULT_64 1829 bool 1830 1831config NR_CPUS 1832 int "Maximum number of CPUs (2-64)" 1833 range 1 64 if NR_CPUS_DEFAULT_1 1834 depends on SMP 1835 default "1" if NR_CPUS_DEFAULT_1 1836 default "2" if NR_CPUS_DEFAULT_2 1837 default "4" if NR_CPUS_DEFAULT_4 1838 default "8" if NR_CPUS_DEFAULT_8 1839 default "16" if NR_CPUS_DEFAULT_16 1840 default "32" if NR_CPUS_DEFAULT_32 1841 default "64" if NR_CPUS_DEFAULT_64 1842 help 1843 This allows you to specify the maximum number of CPUs which this 1844 kernel will support. The maximum supported value is 32 for 32-bit 1845 kernel and 64 for 64-bit kernels; the minimum value which makes 1846 sense is 1 for Qemu (useful only for kernel debugging purposes) 1847 and 2 for all others. 1848 1849 This is purely to save memory - each supported CPU adds 1850 approximately eight kilobytes to the kernel image. For best 1851 performance should round up your number of processors to the next 1852 power of two. 1853 1854# 1855# Timer Interrupt Frequency Configuration 1856# 1857 1858choice 1859 prompt "Timer frequency" 1860 default HZ_250 1861 help 1862 Allows the configuration of the timer frequency. 1863 1864 config HZ_48 1865 bool "48 HZ" if SYS_SUPPORTS_48HZ 1866 1867 config HZ_100 1868 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1869 1870 config HZ_128 1871 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1872 1873 config HZ_250 1874 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1875 1876 config HZ_256 1877 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1878 1879 config HZ_1000 1880 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1881 1882 config HZ_1024 1883 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1884 1885endchoice 1886 1887config SYS_SUPPORTS_48HZ 1888 bool 1889 1890config SYS_SUPPORTS_100HZ 1891 bool 1892 1893config SYS_SUPPORTS_128HZ 1894 bool 1895 1896config SYS_SUPPORTS_250HZ 1897 bool 1898 1899config SYS_SUPPORTS_256HZ 1900 bool 1901 1902config SYS_SUPPORTS_1000HZ 1903 bool 1904 1905config SYS_SUPPORTS_1024HZ 1906 bool 1907 1908config SYS_SUPPORTS_ARBIT_HZ 1909 bool 1910 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1911 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1912 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1913 !SYS_SUPPORTS_1024HZ 1914 1915config HZ 1916 int 1917 default 48 if HZ_48 1918 default 100 if HZ_100 1919 default 128 if HZ_128 1920 default 250 if HZ_250 1921 default 256 if HZ_256 1922 default 1000 if HZ_1000 1923 default 1024 if HZ_1024 1924 1925source "kernel/Kconfig.preempt" 1926 1927config MIPS_INSANE_LARGE 1928 bool "Support for large 64-bit configurations" 1929 depends on CPU_R10000 && 64BIT 1930 help 1931 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1932 previous 64-bit processors which only supported 40 bit / 1TB. If you 1933 need processes of more than 1TB virtual address space, say Y here. 1934 This will result in additional memory usage, so it is not 1935 recommended for normal users. 1936 1937config KEXEC 1938 bool "Kexec system call (EXPERIMENTAL)" 1939 depends on EXPERIMENTAL 1940 help 1941 kexec is a system call that implements the ability to shutdown your 1942 current kernel, and to start another kernel. It is like a reboot 1943 but it is indepedent of the system firmware. And like a reboot 1944 you can start any kernel with it, not just Linux. 1945 1946 The name comes from the similiarity to the exec system call. 1947 1948 It is an ongoing process to be certain the hardware in a machine 1949 is properly shutdown, so do not be surprised if this code does not 1950 initially work for you. It may help to enable device hotplugging 1951 support. As of this writing the exact hardware interface is 1952 strongly in flux, so no good recommendation can be made. 1953 1954config SECCOMP 1955 bool "Enable seccomp to safely compute untrusted bytecode" 1956 depends on PROC_FS && BROKEN 1957 default y 1958 help 1959 This kernel feature is useful for number crunching applications 1960 that may need to compute untrusted bytecode during their 1961 execution. By using pipes or other transports made available to 1962 the process as file descriptors supporting the read/write 1963 syscalls, it's possible to isolate those applications in 1964 their own address space using seccomp. Once seccomp is 1965 enabled via /proc/<pid>/seccomp, it cannot be disabled 1966 and the task is only allowed to execute a few safe syscalls 1967 defined by each seccomp mode. 1968 1969 If unsure, say Y. Only embedded should say N here. 1970 1971endmenu 1972 1973config RWSEM_GENERIC_SPINLOCK 1974 bool 1975 default y 1976 1977config LOCKDEP_SUPPORT 1978 bool 1979 default y 1980 1981config STACKTRACE_SUPPORT 1982 bool 1983 default y 1984 1985source "init/Kconfig" 1986 1987menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1988 1989config HW_HAS_EISA 1990 bool 1991config HW_HAS_PCI 1992 bool 1993 1994config PCI 1995 bool "Support for PCI controller" 1996 depends on HW_HAS_PCI 1997 help 1998 Find out whether you have a PCI motherboard. PCI is the name of a 1999 bus system, i.e. the way the CPU talks to the other stuff inside 2000 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2001 say Y, otherwise N. 2002 2003 The PCI-HOWTO, available from 2004 <http://www.tldp.org/docs.html#howto>, contains valuable 2005 information about which PCI hardware does work under Linux and which 2006 doesn't. 2007 2008config PCI_DOMAINS 2009 bool 2010 depends on PCI 2011 2012source "drivers/pci/Kconfig" 2013 2014# 2015# ISA support is now enabled via select. Too many systems still have the one 2016# or other ISA chip on the board that users don't know about so don't expect 2017# users to choose the right thing ... 2018# 2019config ISA 2020 bool 2021 2022config EISA 2023 bool "EISA support" 2024 depends on HW_HAS_EISA 2025 select ISA 2026 select GENERIC_ISA_DMA 2027 ---help--- 2028 The Extended Industry Standard Architecture (EISA) bus was 2029 developed as an open alternative to the IBM MicroChannel bus. 2030 2031 The EISA bus provided some of the features of the IBM MicroChannel 2032 bus while maintaining backward compatibility with cards made for 2033 the older ISA bus. The EISA bus saw limited use between 1988 and 2034 1995 when it was made obsolete by the PCI bus. 2035 2036 Say Y here if you are building a kernel for an EISA-based machine. 2037 2038 Otherwise, say N. 2039 2040source "drivers/eisa/Kconfig" 2041 2042config TC 2043 bool "TURBOchannel support" 2044 depends on MACH_DECSTATION 2045 help 2046 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2047 processors. Documentation on writing device drivers for TurboChannel 2048 is available at: 2049 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2050 2051#config ACCESSBUS 2052# bool "Access.Bus support" 2053# depends on TC 2054 2055config MMU 2056 bool 2057 default y 2058 2059config I8253 2060 bool 2061 2062source "drivers/pcmcia/Kconfig" 2063 2064source "drivers/pci/hotplug/Kconfig" 2065 2066endmenu 2067 2068menu "Executable file formats" 2069 2070source "fs/Kconfig.binfmt" 2071 2072config TRAD_SIGNALS 2073 bool 2074 2075config BUILD_ELF64 2076 bool "Use 64-bit ELF format for building" 2077 depends on 64BIT 2078 help 2079 A 64-bit kernel is usually built using the 64-bit ELF binary object 2080 format as it's one that allows arbitrary 64-bit constructs. For 2081 kernels that are loaded within the KSEG compatibility segments the 2082 32-bit ELF format can optionally be used resulting in a somewhat 2083 smaller binary, but this option is not explicitly supported by the 2084 toolchain and since binutils 2.14 it does not even work at all. 2085 2086 Say Y to use the 64-bit format or N to use the 32-bit one. 2087 2088 If unsure say Y. 2089 2090config BINFMT_IRIX 2091 bool "Include IRIX binary compatibility" 2092 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2093 2094config MIPS32_COMPAT 2095 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2096 depends on 64BIT 2097 help 2098 Select this option if you want Linux/MIPS 32-bit binary 2099 compatibility. Since all software available for Linux/MIPS is 2100 currently 32-bit you should say Y here. 2101 2102config COMPAT 2103 bool 2104 depends on MIPS32_COMPAT 2105 default y 2106 2107config SYSVIPC_COMPAT 2108 bool 2109 depends on COMPAT && SYSVIPC 2110 default y 2111 2112config MIPS32_O32 2113 bool "Kernel support for o32 binaries" 2114 depends on MIPS32_COMPAT 2115 help 2116 Select this option if you want to run o32 binaries. These are pure 2117 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2118 existing binaries are in this format. 2119 2120 If unsure, say Y. 2121 2122config MIPS32_N32 2123 bool "Kernel support for n32 binaries" 2124 depends on MIPS32_COMPAT 2125 help 2126 Select this option if you want to run n32 binaries. These are 2127 64-bit binaries using 32-bit quantities for addressing and certain 2128 data that would normally be 64-bit. They are used in special 2129 cases. 2130 2131 If unsure, say N. 2132 2133config BINFMT_ELF32 2134 bool 2135 default y if MIPS32_O32 || MIPS32_N32 2136 2137endmenu 2138 2139menu "Power management options" 2140 2141source "kernel/power/Kconfig" 2142 2143endmenu 2144 2145source "net/Kconfig" 2146 2147source "drivers/Kconfig" 2148 2149source "fs/Kconfig" 2150 2151source "arch/mips/oprofile/Kconfig" 2152 2153source "arch/mips/Kconfig.debug" 2154 2155source "security/Kconfig" 2156 2157source "crypto/Kconfig" 2158 2159source "lib/Kconfig" 2160