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 MACH_ALCHEMY 19 bool "Alchemy processor based machines" 20 21config BASLER_EXCITE 22 bool "Basler eXcite smart camera" 23 select DMA_COHERENT 24 select HW_HAS_PCI 25 select IRQ_CPU 26 select IRQ_CPU_RM7K 27 select IRQ_CPU_RM9K 28 select MIPS_RM9122 29 select SYS_HAS_CPU_RM9000 30 select SYS_SUPPORTS_32BIT_KERNEL 31 select SYS_SUPPORTS_64BIT_KERNEL 32 select SYS_SUPPORTS_BIG_ENDIAN 33 select SYS_SUPPORTS_KGDB 34 help 35 The eXcite is a smart camera platform manufactured by 36 Basler Vision Technologies AG. 37 38config BASLER_EXCITE_PROTOTYPE 39 bool "Support for pre-release units" 40 depends on BASLER_EXCITE 41 default n 42 help 43 Pre-series (prototype) units are different from later ones in 44 some ways. Select this option if you have one of these. Please 45 note that a kernel built with this option selected will not be 46 able to run on normal units. 47 48config MIPS_COBALT 49 bool "Cobalt Server" 50 select DMA_NONCOHERENT 51 select HW_HAS_PCI 52 select I8259 53 select IRQ_CPU 54 select PCI_GT64XXX_PCI0 55 select SYS_HAS_CPU_NEVADA 56 select SYS_HAS_EARLY_PRINTK 57 select SYS_SUPPORTS_32BIT_KERNEL 58 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 59 select SYS_SUPPORTS_LITTLE_ENDIAN 60 select GENERIC_HARDIRQS_NO__DO_IRQ 61 62config MACH_DECSTATION 63 bool "DECstations" 64 select BOOT_ELF32 65 select DMA_NONCOHERENT 66 select NO_IOPORT 67 select IRQ_CPU 68 select SYS_HAS_CPU_R3000 69 select SYS_HAS_CPU_R4X00 70 select SYS_SUPPORTS_32BIT_KERNEL 71 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 72 select SYS_SUPPORTS_LITTLE_ENDIAN 73 select SYS_SUPPORTS_128HZ 74 select SYS_SUPPORTS_256HZ 75 select SYS_SUPPORTS_1024HZ 76 help 77 This enables support for DEC's MIPS based workstations. For details 78 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 79 DECstation porting pages on <http://decstation.unix-ag.org/>. 80 81 If you have one of the following DECstation Models you definitely 82 want to choose R4xx0 for the CPU Type: 83 84 DECstation 5000/50 85 DECstation 5000/150 86 DECstation 5000/260 87 DECsystem 5900/260 88 89 otherwise choose R3000. 90 91config MIPS_EV64120 92 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)" 93 depends on EXPERIMENTAL 94 select DMA_NONCOHERENT 95 select HW_HAS_PCI 96 select PCI_GT64XXX_PCI0 97 select SYS_HAS_CPU_R5000 98 select SYS_SUPPORTS_32BIT_KERNEL 99 select SYS_SUPPORTS_64BIT_KERNEL 100 select SYS_SUPPORTS_BIG_ENDIAN 101 select SYS_SUPPORTS_KGDB 102 help 103 This is an evaluation board based on the Galileo GT-64120 104 single-chip system controller that contains a MIPS R5000 compatible 105 core running at 75/100MHz. Their website is located at 106 <http://www.marvell.com/>. Say Y here if you wish to build a 107 kernel for this platform. 108 109config MACH_JAZZ 110 bool "Jazz family of machines" 111 select ARC 112 select ARC32 113 select ARCH_MAY_HAVE_PC_FDC 114 select GENERIC_ISA_DMA 115 select I8253 116 select I8259 117 select ISA 118 select SYS_HAS_CPU_R4X00 119 select SYS_SUPPORTS_32BIT_KERNEL 120 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 121 select SYS_SUPPORTS_100HZ 122 select GENERIC_HARDIRQS_NO__DO_IRQ 123 help 124 This a family of machines based on the MIPS R4030 chipset which was 125 used by several vendors to build RISC/os and Windows NT workstations. 126 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 127 Olivetti M700-10 workstations. 128 129config LASAT 130 bool "LASAT Networks platforms" 131 select DMA_NONCOHERENT 132 select SYS_HAS_EARLY_PRINTK 133 select HW_HAS_PCI 134 select PCI_GT64XXX_PCI0 135 select MIPS_NILE4 136 select R5000_CPU_SCACHE 137 select SYS_HAS_CPU_R5000 138 select SYS_SUPPORTS_32BIT_KERNEL 139 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 140 select SYS_SUPPORTS_LITTLE_ENDIAN 141 select GENERIC_HARDIRQS_NO__DO_IRQ 142 143config MIPS_ATLAS 144 bool "MIPS Atlas board" 145 select BOOT_ELF32 146 select DMA_NONCOHERENT 147 select SYS_HAS_EARLY_PRINTK 148 select IRQ_CPU 149 select HW_HAS_PCI 150 select MIPS_BOARDS_GEN 151 select MIPS_BONITO64 152 select PCI_GT64XXX_PCI0 153 select MIPS_MSC 154 select RM7000_CPU_SCACHE 155 select SWAP_IO_SPACE 156 select SYS_HAS_CPU_MIPS32_R1 157 select SYS_HAS_CPU_MIPS32_R2 158 select SYS_HAS_CPU_MIPS64_R1 159 select SYS_HAS_CPU_NEVADA 160 select SYS_HAS_CPU_RM7000 161 select SYS_SUPPORTS_32BIT_KERNEL 162 select SYS_SUPPORTS_64BIT_KERNEL 163 select SYS_SUPPORTS_BIG_ENDIAN 164 select SYS_SUPPORTS_LITTLE_ENDIAN 165 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 166 select SYS_SUPPORTS_SMARTMIPS 167 select GENERIC_HARDIRQS_NO__DO_IRQ 168 help 169 This enables support for the MIPS Technologies Atlas evaluation 170 board. 171 172config MIPS_MALTA 173 bool "MIPS Malta board" 174 select ARCH_MAY_HAVE_PC_FDC 175 select BOOT_ELF32 176 select HAVE_STD_PC_SERIAL_PORT 177 select DMA_NONCOHERENT 178 select GENERIC_ISA_DMA 179 select IRQ_CPU 180 select HW_HAS_PCI 181 select I8259 182 select MIPS_BOARDS_GEN 183 select MIPS_BONITO64 184 select MIPS_CPU_SCACHE 185 select PCI_GT64XXX_PCI0 186 select MIPS_MSC 187 select SWAP_IO_SPACE 188 select SYS_HAS_CPU_MIPS32_R1 189 select SYS_HAS_CPU_MIPS32_R2 190 select SYS_HAS_CPU_MIPS64_R1 191 select SYS_HAS_CPU_NEVADA 192 select SYS_HAS_CPU_RM7000 193 select SYS_HAS_EARLY_PRINTK 194 select SYS_SUPPORTS_32BIT_KERNEL 195 select SYS_SUPPORTS_64BIT_KERNEL 196 select SYS_SUPPORTS_BIG_ENDIAN 197 select SYS_SUPPORTS_LITTLE_ENDIAN 198 select SYS_SUPPORTS_MULTITHREADING 199 select SYS_SUPPORTS_SMARTMIPS 200 help 201 This enables support for the MIPS Technologies Malta evaluation 202 board. 203 204config MIPS_SEAD 205 bool "MIPS SEAD board (EXPERIMENTAL)" 206 depends on EXPERIMENTAL 207 select IRQ_CPU 208 select DMA_NONCOHERENT 209 select SYS_HAS_EARLY_PRINTK 210 select MIPS_BOARDS_GEN 211 select SYS_HAS_CPU_MIPS32_R1 212 select SYS_HAS_CPU_MIPS32_R2 213 select SYS_HAS_CPU_MIPS64_R1 214 select SYS_SUPPORTS_32BIT_KERNEL 215 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 216 select SYS_SUPPORTS_BIG_ENDIAN 217 select SYS_SUPPORTS_LITTLE_ENDIAN 218 select SYS_SUPPORTS_SMARTMIPS 219 help 220 This enables support for the MIPS Technologies SEAD evaluation 221 board. 222 223config WR_PPMC 224 bool "Wind River PPMC board" 225 select IRQ_CPU 226 select BOOT_ELF32 227 select DMA_NONCOHERENT 228 select HW_HAS_PCI 229 select PCI_GT64XXX_PCI0 230 select SWAP_IO_SPACE 231 select SYS_HAS_CPU_MIPS32_R1 232 select SYS_HAS_CPU_MIPS32_R2 233 select SYS_HAS_CPU_MIPS64_R1 234 select SYS_HAS_CPU_NEVADA 235 select SYS_HAS_CPU_RM7000 236 select SYS_SUPPORTS_32BIT_KERNEL 237 select SYS_SUPPORTS_64BIT_KERNEL 238 select SYS_SUPPORTS_BIG_ENDIAN 239 select SYS_SUPPORTS_LITTLE_ENDIAN 240 help 241 This enables support for the Wind River MIPS32 4KC PPMC evaluation 242 board, which is based on GT64120 bridge chip. 243 244config MIPS_SIM 245 bool 'MIPS simulator (MIPSsim)' 246 select DMA_NONCOHERENT 247 select SYS_HAS_EARLY_PRINTK 248 select IRQ_CPU 249 select SYS_HAS_CPU_MIPS32_R1 250 select SYS_HAS_CPU_MIPS32_R2 251 select SYS_HAS_EARLY_PRINTK 252 select SYS_SUPPORTS_32BIT_KERNEL 253 select SYS_SUPPORTS_BIG_ENDIAN 254 select SYS_SUPPORTS_MULTITHREADING 255 select SYS_SUPPORTS_LITTLE_ENDIAN 256 help 257 This option enables support for MIPS Technologies MIPSsim software 258 emulator. 259 260config MOMENCO_OCELOT 261 bool "Momentum Ocelot board" 262 select DMA_NONCOHERENT 263 select HW_HAS_PCI 264 select IRQ_CPU 265 select IRQ_CPU_RM7K 266 select PCI_GT64XXX_PCI0 267 select RM7000_CPU_SCACHE 268 select SWAP_IO_SPACE 269 select SYS_HAS_CPU_RM7000 270 select SYS_SUPPORTS_32BIT_KERNEL 271 select SYS_SUPPORTS_64BIT_KERNEL 272 select SYS_SUPPORTS_BIG_ENDIAN 273 select SYS_SUPPORTS_KGDB 274 help 275 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 276 Momentum Computer <http://www.momenco.com/>. 277 278config MOMENCO_OCELOT_3 279 bool "Momentum Ocelot-3 board" 280 select BOOT_ELF32 281 select DMA_NONCOHERENT 282 select HW_HAS_PCI 283 select IRQ_CPU 284 select IRQ_CPU_RM7K 285 select IRQ_MV64340 286 select PCI_MARVELL 287 select RM7000_CPU_SCACHE 288 select SWAP_IO_SPACE 289 select SYS_HAS_CPU_RM9000 290 select SYS_SUPPORTS_32BIT_KERNEL 291 select SYS_SUPPORTS_64BIT_KERNEL 292 select SYS_SUPPORTS_BIG_ENDIAN 293 help 294 The Ocelot-3 is based off Discovery III System Controller and 295 PMC-Sierra Rm79000 core. 296 297config MOMENCO_OCELOT_C 298 bool "Momentum Ocelot-C board" 299 select DMA_NONCOHERENT 300 select HW_HAS_PCI 301 select IRQ_CPU 302 select IRQ_MV64340 303 select PCI_MARVELL 304 select RM7000_CPU_SCACHE 305 select SWAP_IO_SPACE 306 select SYS_HAS_CPU_RM7000 307 select SYS_SUPPORTS_32BIT_KERNEL 308 select SYS_SUPPORTS_64BIT_KERNEL 309 select SYS_SUPPORTS_BIG_ENDIAN 310 select GENERIC_HARDIRQS_NO__DO_IRQ 311 help 312 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 313 Momentum Computer <http://www.momenco.com/>. 314 315config PNX8550_JBS 316 bool "Philips PNX8550 based JBS board" 317 select PNX8550 318 select SYS_SUPPORTS_LITTLE_ENDIAN 319 320config PNX8550_STB810 321 bool "Philips PNX8550 based STB810 board" 322 select PNX8550 323 select SYS_SUPPORTS_LITTLE_ENDIAN 324 325config DDB5477 326 bool "NEC DDB Vrc-5477" 327 select DDB5XXX_COMMON 328 select DMA_NONCOHERENT 329 select HW_HAS_PCI 330 select I8259 331 select IRQ_CPU 332 select SYS_HAS_CPU_R5432 333 select SYS_SUPPORTS_32BIT_KERNEL 334 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 335 select SYS_SUPPORTS_KGDB 336 select SYS_SUPPORTS_KGDB 337 select SYS_SUPPORTS_LITTLE_ENDIAN 338 help 339 This enables support for the R5432-based NEC DDB Vrc-5477, 340 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 341 342 Features : kernel debugging, serial terminal, NFS root fs, on-board 343 ether port USB, AC97, PCI, etc. 344 345config MACH_VR41XX 346 bool "NEC VR4100 series based machines" 347 select SYS_HAS_CPU_VR41XX 348 select GENERIC_HARDIRQS_NO__DO_IRQ 349 350config PMC_YOSEMITE 351 bool "PMC-Sierra Yosemite eval board" 352 select DMA_COHERENT 353 select HW_HAS_PCI 354 select IRQ_CPU 355 select IRQ_CPU_RM7K 356 select IRQ_CPU_RM9K 357 select SWAP_IO_SPACE 358 select SYS_HAS_CPU_RM9000 359 select SYS_HAS_EARLY_PRINTK 360 select SYS_SUPPORTS_32BIT_KERNEL 361 select SYS_SUPPORTS_64BIT_KERNEL 362 select SYS_SUPPORTS_BIG_ENDIAN 363 select SYS_SUPPORTS_HIGHMEM 364 select SYS_SUPPORTS_KGDB 365 select SYS_SUPPORTS_SMP 366 help 367 Yosemite is an evaluation board for the RM9000x2 processor 368 manufactured by PMC-Sierra. 369 370config QEMU 371 bool "Qemu" 372 select DMA_COHERENT 373 select GENERIC_ISA_DMA 374 select HAVE_STD_PC_SERIAL_PORT 375 select I8253 376 select I8259 377 select ISA 378 select SWAP_IO_SPACE 379 select SYS_HAS_CPU_MIPS32_R1 380 select SYS_SUPPORTS_32BIT_KERNEL 381 select SYS_SUPPORTS_BIG_ENDIAN 382 select SYS_SUPPORTS_LITTLE_ENDIAN 383 select ARCH_SPARSEMEM_ENABLE 384 select GENERIC_HARDIRQS_NO__DO_IRQ 385 select NR_CPUS_DEFAULT_1 386 select SYS_SUPPORTS_SMP 387 help 388 Qemu is a software emulator which among other architectures also 389 can simulate a MIPS32 4Kc system. This patch adds support for the 390 system architecture that currently is being simulated by Qemu. It 391 will eventually be removed again when Qemu has the capability to 392 simulate actual MIPS hardware platforms. More information on Qemu 393 can be found at http://www.linux-mips.org/wiki/Qemu. 394 395config MARKEINS 396 bool "NEC EMMA2RH Mark-eins" 397 select DMA_NONCOHERENT 398 select HW_HAS_PCI 399 select IRQ_CPU 400 select SWAP_IO_SPACE 401 select SYS_SUPPORTS_32BIT_KERNEL 402 select SYS_SUPPORTS_BIG_ENDIAN 403 select SYS_SUPPORTS_LITTLE_ENDIAN 404 select SYS_HAS_CPU_R5000 405 help 406 This enables support for the R5432-based NEC Mark-eins 407 boards with R5500 CPU. 408 409config SGI_IP22 410 bool "SGI IP22 (Indy/Indigo2)" 411 select ARC 412 select ARC32 413 select BOOT_ELF32 414 select DMA_NONCOHERENT 415 select HW_HAS_EISA 416 select IP22_CPU_SCACHE 417 select IRQ_CPU 418 select GENERIC_ISA_DMA_SUPPORT_BROKEN 419 select SWAP_IO_SPACE 420 select SYS_HAS_CPU_R4X00 421 select SYS_HAS_CPU_R5000 422 select SYS_HAS_EARLY_PRINTK 423 select SYS_SUPPORTS_32BIT_KERNEL 424 select SYS_SUPPORTS_64BIT_KERNEL 425 select SYS_SUPPORTS_BIG_ENDIAN 426 help 427 This are the SGI Indy, Challenge S and Indigo2, as well as certain 428 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 429 that runs on these, say Y here. 430 431config SGI_IP27 432 bool "SGI IP27 (Origin200/2000)" 433 select ARC 434 select ARC64 435 select BOOT_ELF64 436 select DMA_IP27 437 select SYS_HAS_EARLY_PRINTK 438 select HW_HAS_PCI 439 select NR_CPUS_DEFAULT_64 440 select PCI_DOMAINS 441 select SYS_HAS_CPU_R10000 442 select SYS_SUPPORTS_64BIT_KERNEL 443 select SYS_SUPPORTS_BIG_ENDIAN 444 select SYS_SUPPORTS_KGDB 445 select SYS_SUPPORTS_NUMA 446 select SYS_SUPPORTS_SMP 447 select GENERIC_HARDIRQS_NO__DO_IRQ 448 help 449 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 450 workstations. To compile a Linux kernel that runs on these, say Y 451 here. 452 453config SGI_IP32 454 bool "SGI IP32 (O2) (EXPERIMENTAL)" 455 depends on EXPERIMENTAL 456 select ARC 457 select ARC32 458 select BOOT_ELF32 459 select DMA_NONCOHERENT 460 select HW_HAS_PCI 461 select R5000_CPU_SCACHE 462 select RM7000_CPU_SCACHE 463 select SYS_HAS_CPU_R5000 464 select SYS_HAS_CPU_R10000 if BROKEN 465 select SYS_HAS_CPU_RM7000 466 select SYS_HAS_CPU_NEVADA 467 select SYS_SUPPORTS_64BIT_KERNEL 468 select SYS_SUPPORTS_BIG_ENDIAN 469 help 470 If you want this kernel to run on SGI O2 workstation, say Y here. 471 472config SIBYTE_BIGSUR 473 bool "Sibyte BCM91480B-BigSur" 474 select BOOT_ELF32 475 select DMA_COHERENT 476 select NR_CPUS_DEFAULT_4 477 select PCI_DOMAINS 478 select SIBYTE_BCM1x80 479 select SWAP_IO_SPACE 480 select SYS_HAS_CPU_SB1 481 select SYS_SUPPORTS_BIG_ENDIAN 482 select SYS_SUPPORTS_LITTLE_ENDIAN 483 484config SIBYTE_SWARM 485 bool "Sibyte BCM91250A-SWARM" 486 select BOOT_ELF32 487 select DMA_COHERENT 488 select NR_CPUS_DEFAULT_2 489 select SIBYTE_SB1250 490 select SWAP_IO_SPACE 491 select SYS_HAS_CPU_SB1 492 select SYS_SUPPORTS_BIG_ENDIAN 493 select SYS_SUPPORTS_HIGHMEM 494 select SYS_SUPPORTS_KGDB 495 select SYS_SUPPORTS_LITTLE_ENDIAN 496 497config SIBYTE_SENTOSA 498 bool "Sibyte BCM91250E-Sentosa" 499 depends on EXPERIMENTAL 500 select BOOT_ELF32 501 select DMA_COHERENT 502 select NR_CPUS_DEFAULT_2 503 select SIBYTE_SB1250 504 select SWAP_IO_SPACE 505 select SYS_HAS_CPU_SB1 506 select SYS_SUPPORTS_BIG_ENDIAN 507 select SYS_SUPPORTS_LITTLE_ENDIAN 508 509config SIBYTE_RHONE 510 bool "Sibyte BCM91125E-Rhone" 511 depends on EXPERIMENTAL 512 select BOOT_ELF32 513 select DMA_COHERENT 514 select SIBYTE_BCM1125H 515 select SWAP_IO_SPACE 516 select SYS_HAS_CPU_SB1 517 select SYS_SUPPORTS_BIG_ENDIAN 518 select SYS_SUPPORTS_LITTLE_ENDIAN 519 520config SIBYTE_CARMEL 521 bool "Sibyte BCM91120x-Carmel" 522 depends on EXPERIMENTAL 523 select BOOT_ELF32 524 select DMA_COHERENT 525 select SIBYTE_BCM1120 526 select SWAP_IO_SPACE 527 select SYS_HAS_CPU_SB1 528 select SYS_SUPPORTS_BIG_ENDIAN 529 select SYS_SUPPORTS_LITTLE_ENDIAN 530 531config SIBYTE_PTSWARM 532 bool "Sibyte BCM91250PT-PTSWARM" 533 depends on EXPERIMENTAL 534 select BOOT_ELF32 535 select DMA_COHERENT 536 select NR_CPUS_DEFAULT_2 537 select SIBYTE_SB1250 538 select SWAP_IO_SPACE 539 select SYS_HAS_CPU_SB1 540 select SYS_SUPPORTS_BIG_ENDIAN 541 select SYS_SUPPORTS_HIGHMEM 542 select SYS_SUPPORTS_LITTLE_ENDIAN 543 544config SIBYTE_LITTLESUR 545 bool "Sibyte BCM91250C2-LittleSur" 546 depends on EXPERIMENTAL 547 select BOOT_ELF32 548 select DMA_COHERENT 549 select NR_CPUS_DEFAULT_2 550 select SIBYTE_SB1250 551 select SWAP_IO_SPACE 552 select SYS_HAS_CPU_SB1 553 select SYS_SUPPORTS_BIG_ENDIAN 554 select SYS_SUPPORTS_HIGHMEM 555 select SYS_SUPPORTS_LITTLE_ENDIAN 556 557config SIBYTE_CRHINE 558 bool "Sibyte BCM91120C-CRhine" 559 depends on EXPERIMENTAL 560 select BOOT_ELF32 561 select DMA_COHERENT 562 select SIBYTE_BCM1120 563 select SWAP_IO_SPACE 564 select SYS_HAS_CPU_SB1 565 select SYS_SUPPORTS_BIG_ENDIAN 566 select SYS_SUPPORTS_LITTLE_ENDIAN 567 568config SIBYTE_CRHONE 569 bool "Sibyte BCM91125C-CRhone" 570 depends on EXPERIMENTAL 571 select BOOT_ELF32 572 select DMA_COHERENT 573 select SIBYTE_BCM1125 574 select SWAP_IO_SPACE 575 select SYS_HAS_CPU_SB1 576 select SYS_SUPPORTS_BIG_ENDIAN 577 select SYS_SUPPORTS_HIGHMEM 578 select SYS_SUPPORTS_LITTLE_ENDIAN 579 580config SNI_RM 581 bool "SNI RM200/300/400" 582 select ARC if CPU_LITTLE_ENDIAN 583 select ARC32 if CPU_LITTLE_ENDIAN 584 select ARCH_MAY_HAVE_PC_FDC 585 select BOOT_ELF32 586 select DMA_NONCOHERENT 587 select GENERIC_ISA_DMA 588 select HW_HAS_EISA 589 select HW_HAS_PCI 590 select IRQ_CPU 591 select I8253 592 select I8259 593 select ISA 594 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 595 select SYS_HAS_CPU_R4X00 596 select SYS_HAS_CPU_R5000 597 select SYS_HAS_CPU_R10000 598 select R5000_CPU_SCACHE 599 select SYS_HAS_EARLY_PRINTK 600 select SYS_SUPPORTS_32BIT_KERNEL 601 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 602 select SYS_SUPPORTS_BIG_ENDIAN 603 select SYS_SUPPORTS_HIGHMEM 604 select SYS_SUPPORTS_LITTLE_ENDIAN 605 help 606 The SNI RM200/300/400 are MIPS-based machines manufactured by 607 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 608 Technology and now in turn merged with Fujitsu. Say Y here to 609 support this machine type. 610 611config TOSHIBA_JMR3927 612 bool "Toshiba JMR-TX3927 board" 613 select DMA_NONCOHERENT 614 select HW_HAS_PCI 615 select MIPS_TX3927 616 select SWAP_IO_SPACE 617 select SYS_HAS_CPU_TX39XX 618 select SYS_SUPPORTS_32BIT_KERNEL 619 select SYS_SUPPORTS_LITTLE_ENDIAN 620 select SYS_SUPPORTS_BIG_ENDIAN 621 select GENERIC_HARDIRQS_NO__DO_IRQ 622 623config TOSHIBA_RBTX4927 624 bool "Toshiba TBTX49[23]7 board" 625 select DMA_NONCOHERENT 626 select HAS_TXX9_SERIAL 627 select HW_HAS_PCI 628 select I8259 629 select SWAP_IO_SPACE 630 select SYS_HAS_CPU_TX49XX 631 select SYS_SUPPORTS_32BIT_KERNEL 632 select SYS_SUPPORTS_64BIT_KERNEL 633 select SYS_SUPPORTS_LITTLE_ENDIAN 634 select SYS_SUPPORTS_BIG_ENDIAN 635 select SYS_SUPPORTS_KGDB 636 select GENERIC_HARDIRQS_NO__DO_IRQ 637 help 638 This Toshiba board is based on the TX4927 processor. Say Y here to 639 support this machine type 640 641config TOSHIBA_RBTX4938 642 bool "Toshiba RBTX4938 board" 643 select HAVE_STD_PC_SERIAL_PORT 644 select DMA_NONCOHERENT 645 select GENERIC_ISA_DMA 646 select HAS_TXX9_SERIAL 647 select HW_HAS_PCI 648 select I8259 649 select SWAP_IO_SPACE 650 select SYS_HAS_CPU_TX49XX 651 select SYS_SUPPORTS_32BIT_KERNEL 652 select SYS_SUPPORTS_LITTLE_ENDIAN 653 select SYS_SUPPORTS_BIG_ENDIAN 654 select SYS_SUPPORTS_KGDB 655 select GENERIC_HARDIRQS_NO__DO_IRQ 656 help 657 This Toshiba board is based on the TX4938 processor. Say Y here to 658 support this machine type 659 660endchoice 661 662source "arch/mips/au1000/Kconfig" 663source "arch/mips/ddb5xxx/Kconfig" 664source "arch/mips/gt64120/ev64120/Kconfig" 665source "arch/mips/jazz/Kconfig" 666source "arch/mips/lasat/Kconfig" 667source "arch/mips/pmc-sierra/Kconfig" 668source "arch/mips/sgi-ip27/Kconfig" 669source "arch/mips/sibyte/Kconfig" 670source "arch/mips/tx4927/Kconfig" 671source "arch/mips/tx4938/Kconfig" 672source "arch/mips/vr41xx/Kconfig" 673source "arch/mips/philips/pnx8550/common/Kconfig" 674 675endmenu 676 677config RWSEM_GENERIC_SPINLOCK 678 bool 679 default y 680 681config RWSEM_XCHGADD_ALGORITHM 682 bool 683 684config ARCH_HAS_ILOG2_U32 685 bool 686 default n 687 688config ARCH_HAS_ILOG2_U64 689 bool 690 default n 691 692config GENERIC_FIND_NEXT_BIT 693 bool 694 default y 695 696config GENERIC_HWEIGHT 697 bool 698 default y 699 700config GENERIC_CALIBRATE_DELAY 701 bool 702 default y 703 704config GENERIC_TIME 705 bool 706 default y 707 708config SCHED_NO_NO_OMIT_FRAME_POINTER 709 bool 710 default y 711 712config GENERIC_HARDIRQS_NO__DO_IRQ 713 bool 714 default n 715 716# 717# Select some configuration options automatically based on user selections. 718# 719config ARC 720 bool 721 722config ARCH_MAY_HAVE_PC_FDC 723 bool 724 725config DMA_COHERENT 726 bool 727 728config DMA_IP27 729 bool 730 731config DMA_IP32 732 bool 733 select DMA_NEED_PCI_MAP_STATE 734 735config DMA_NONCOHERENT 736 bool 737 select DMA_NEED_PCI_MAP_STATE 738 739config DMA_NEED_PCI_MAP_STATE 740 bool 741 742config EARLY_PRINTK 743 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 744 depends on SYS_HAS_EARLY_PRINTK 745 default y 746 help 747 This option enables special console drivers which allow the kernel 748 to print messages very early in the bootup process. 749 750 This is useful for kernel debugging when your machine crashes very 751 early before the console code is initialized. For normal operation, 752 it is not recommended because it looks ugly on some machines and 753 doesn't cooperate with an X server. You should normally say N here, 754 unless you want to debug such a crash. 755 756config SYS_HAS_EARLY_PRINTK 757 bool 758 759config GENERIC_ISA_DMA 760 bool 761 select ZONE_DMA 762 763config I8259 764 bool 765 766config MIPS_BONITO64 767 bool 768 769config MIPS_MSC 770 bool 771 772config MIPS_NILE4 773 bool 774 775config MIPS_DISABLE_OBSOLETE_IDE 776 bool 777 778config NO_IOPORT 779 def_bool n 780 781config GENERIC_ISA_DMA_SUPPORT_BROKEN 782 bool 783 select ZONE_DMA 784 785config GENERIC_GPIO 786 bool 787 788# 789# Endianess selection. Sufficiently obscure so many users don't know what to 790# answer,so we try hard to limit the available choices. Also the use of a 791# choice statement should be more obvious to the user. 792# 793choice 794 prompt "Endianess selection" 795 help 796 Some MIPS machines can be configured for either little or big endian 797 byte order. These modes require different kernels and a different 798 Linux distribution. In general there is one preferred byteorder for a 799 particular system but some systems are just as commonly used in the 800 one or the other endianness. 801 802config CPU_BIG_ENDIAN 803 bool "Big endian" 804 depends on SYS_SUPPORTS_BIG_ENDIAN 805 806config CPU_LITTLE_ENDIAN 807 bool "Little endian" 808 depends on SYS_SUPPORTS_LITTLE_ENDIAN 809 help 810 811endchoice 812 813config SYS_SUPPORTS_APM_EMULATION 814 bool 815 816config SYS_SUPPORTS_BIG_ENDIAN 817 bool 818 819config SYS_SUPPORTS_LITTLE_ENDIAN 820 bool 821 822config IRQ_CPU 823 bool 824 825config IRQ_CPU_RM7K 826 bool 827 828config IRQ_CPU_RM9K 829 bool 830 831config IRQ_MV64340 832 bool 833 834config DDB5XXX_COMMON 835 bool 836 select SYS_SUPPORTS_KGDB 837 838config MIPS_BOARDS_GEN 839 bool 840 841config PCI_GT64XXX_PCI0 842 bool 843 844config MIPS_TX3927 845 bool 846 select HAS_TXX9_SERIAL 847 848config MIPS_RM9122 849 bool 850 select SERIAL_RM9000 851 852config PCI_MARVELL 853 bool 854 855config PNX8550 856 bool 857 select SOC_PNX8550 858 859config SOC_PNX8550 860 bool 861 select DMA_NONCOHERENT 862 select HW_HAS_PCI 863 select SYS_HAS_CPU_MIPS32_R1 864 select SYS_HAS_EARLY_PRINTK 865 select SYS_SUPPORTS_32BIT_KERNEL 866 select GENERIC_HARDIRQS_NO__DO_IRQ 867 select SYS_SUPPORTS_KGDB 868 select GENERIC_GPIO 869 870config SWAP_IO_SPACE 871 bool 872 873config EMMA2RH 874 bool 875 depends on MARKEINS 876 default y 877 878config SERIAL_RM9000 879 bool 880 881# 882# Unfortunately not all GT64120 systems run the chip at the same clock. 883# As the user for the clock rate and try to minimize the available options. 884# 885choice 886 prompt "Galileo Chip Clock" 887 #default SYSCLK_83 if MIPS_EV64120 888 depends on MIPS_EV64120 || MOMENCO_OCELOT 889 default SYSCLK_83 if MIPS_EV64120 890 default SYSCLK_100 if MOMENCO_OCELOT 891 892config SYSCLK_75 893 bool "75" if MIPS_EV64120 894 895config SYSCLK_83 896 bool "83.3" if MIPS_EV64120 897 898config SYSCLK_100 899 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT 900 901endchoice 902 903config ARC32 904 bool 905 906config BOOT_ELF32 907 bool 908 909config MIPS_L1_CACHE_SHIFT 910 int 911 default "4" if MACH_DECSTATION || SNI_RM 912 default "7" if SGI_IP27 913 default "5" 914 915config HAVE_STD_PC_SERIAL_PORT 916 bool 917 918config ARC_CONSOLE 919 bool "ARC console support" 920 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 921 922config ARC_MEMORY 923 bool 924 depends on MACH_JAZZ || SNI_RM || SGI_IP32 925 default y 926 927config ARC_PROMLIB 928 bool 929 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 930 default y 931 932config ARC64 933 bool 934 935config BOOT_ELF64 936 bool 937 938menu "CPU selection" 939 940choice 941 prompt "CPU type" 942 default CPU_R4X00 943 944config CPU_MIPS32_R1 945 bool "MIPS32 Release 1" 946 depends on SYS_HAS_CPU_MIPS32_R1 947 select CPU_HAS_LLSC 948 select CPU_HAS_PREFETCH 949 select CPU_SUPPORTS_32BIT_KERNEL 950 select CPU_SUPPORTS_HIGHMEM 951 help 952 Choose this option to build a kernel for release 1 or later of the 953 MIPS32 architecture. Most modern embedded systems with a 32-bit 954 MIPS processor are based on a MIPS32 processor. If you know the 955 specific type of processor in your system, choose those that one 956 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 957 Release 2 of the MIPS32 architecture is available since several 958 years so chances are you even have a MIPS32 Release 2 processor 959 in which case you should choose CPU_MIPS32_R2 instead for better 960 performance. 961 962config CPU_MIPS32_R2 963 bool "MIPS32 Release 2" 964 depends on SYS_HAS_CPU_MIPS32_R2 965 select CPU_HAS_LLSC 966 select CPU_HAS_PREFETCH 967 select CPU_SUPPORTS_32BIT_KERNEL 968 select CPU_SUPPORTS_HIGHMEM 969 help 970 Choose this option to build a kernel for release 2 or later of the 971 MIPS32 architecture. Most modern embedded systems with a 32-bit 972 MIPS processor are based on a MIPS32 processor. If you know the 973 specific type of processor in your system, choose those that one 974 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 975 976config CPU_MIPS64_R1 977 bool "MIPS64 Release 1" 978 depends on SYS_HAS_CPU_MIPS64_R1 979 select CPU_HAS_LLSC 980 select CPU_HAS_PREFETCH 981 select CPU_SUPPORTS_32BIT_KERNEL 982 select CPU_SUPPORTS_64BIT_KERNEL 983 select CPU_SUPPORTS_HIGHMEM 984 help 985 Choose this option to build a kernel for release 1 or later of the 986 MIPS64 architecture. Many modern embedded systems with a 64-bit 987 MIPS processor are based on a MIPS64 processor. If you know the 988 specific type of processor in your system, choose those that one 989 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 990 Release 2 of the MIPS64 architecture is available since several 991 years so chances are you even have a MIPS64 Release 2 processor 992 in which case you should choose CPU_MIPS64_R2 instead for better 993 performance. 994 995config CPU_MIPS64_R2 996 bool "MIPS64 Release 2" 997 depends on SYS_HAS_CPU_MIPS64_R2 998 select CPU_HAS_LLSC 999 select CPU_HAS_PREFETCH 1000 select CPU_SUPPORTS_32BIT_KERNEL 1001 select CPU_SUPPORTS_64BIT_KERNEL 1002 select CPU_SUPPORTS_HIGHMEM 1003 help 1004 Choose this option to build a kernel for release 2 or later of the 1005 MIPS64 architecture. Many modern embedded systems with a 64-bit 1006 MIPS processor are based on a MIPS64 processor. If you know the 1007 specific type of processor in your system, choose those that one 1008 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1009 1010config CPU_R3000 1011 bool "R3000" 1012 depends on SYS_HAS_CPU_R3000 1013 select CPU_HAS_WB 1014 select CPU_SUPPORTS_32BIT_KERNEL 1015 select CPU_SUPPORTS_HIGHMEM 1016 help 1017 Please make sure to pick the right CPU type. Linux/MIPS is not 1018 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1019 *not* work on R4000 machines and vice versa. However, since most 1020 of the supported machines have an R4000 (or similar) CPU, R4x00 1021 might be a safe bet. If the resulting kernel does not work, 1022 try to recompile with R3000. 1023 1024config CPU_TX39XX 1025 bool "R39XX" 1026 depends on SYS_HAS_CPU_TX39XX 1027 select CPU_SUPPORTS_32BIT_KERNEL 1028 1029config CPU_VR41XX 1030 bool "R41xx" 1031 depends on SYS_HAS_CPU_VR41XX 1032 select CPU_SUPPORTS_32BIT_KERNEL 1033 select CPU_SUPPORTS_64BIT_KERNEL 1034 help 1035 The options selects support for the NEC VR4100 series of processors. 1036 Only choose this option if you have one of these processors as a 1037 kernel built with this option will not run on any other type of 1038 processor or vice versa. 1039 1040config CPU_R4300 1041 bool "R4300" 1042 depends on SYS_HAS_CPU_R4300 1043 select CPU_HAS_LLSC 1044 select CPU_SUPPORTS_32BIT_KERNEL 1045 select CPU_SUPPORTS_64BIT_KERNEL 1046 help 1047 MIPS Technologies R4300-series processors. 1048 1049config CPU_R4X00 1050 bool "R4x00" 1051 depends on SYS_HAS_CPU_R4X00 1052 select CPU_HAS_LLSC 1053 select CPU_SUPPORTS_32BIT_KERNEL 1054 select CPU_SUPPORTS_64BIT_KERNEL 1055 help 1056 MIPS Technologies R4000-series processors other than 4300, including 1057 the R4000, R4400, R4600, and 4700. 1058 1059config CPU_TX49XX 1060 bool "R49XX" 1061 depends on SYS_HAS_CPU_TX49XX 1062 select CPU_HAS_LLSC 1063 select CPU_HAS_PREFETCH 1064 select CPU_SUPPORTS_32BIT_KERNEL 1065 select CPU_SUPPORTS_64BIT_KERNEL 1066 1067config CPU_R5000 1068 bool "R5000" 1069 depends on SYS_HAS_CPU_R5000 1070 select CPU_HAS_LLSC 1071 select CPU_SUPPORTS_32BIT_KERNEL 1072 select CPU_SUPPORTS_64BIT_KERNEL 1073 help 1074 MIPS Technologies R5000-series processors other than the Nevada. 1075 1076config CPU_R5432 1077 bool "R5432" 1078 depends on SYS_HAS_CPU_R5432 1079 select CPU_HAS_LLSC 1080 select CPU_SUPPORTS_32BIT_KERNEL 1081 select CPU_SUPPORTS_64BIT_KERNEL 1082 1083config CPU_R6000 1084 bool "R6000" 1085 depends on EXPERIMENTAL 1086 select CPU_HAS_LLSC 1087 depends on SYS_HAS_CPU_R6000 1088 select CPU_SUPPORTS_32BIT_KERNEL 1089 help 1090 MIPS Technologies R6000 and R6000A series processors. Note these 1091 processors are extremely rare and the support for them is incomplete. 1092 1093config CPU_NEVADA 1094 bool "RM52xx" 1095 depends on SYS_HAS_CPU_NEVADA 1096 select CPU_HAS_LLSC 1097 select CPU_SUPPORTS_32BIT_KERNEL 1098 select CPU_SUPPORTS_64BIT_KERNEL 1099 help 1100 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1101 1102config CPU_R8000 1103 bool "R8000" 1104 depends on EXPERIMENTAL 1105 depends on SYS_HAS_CPU_R8000 1106 select CPU_HAS_LLSC 1107 select CPU_HAS_PREFETCH 1108 select CPU_SUPPORTS_64BIT_KERNEL 1109 help 1110 MIPS Technologies R8000 processors. Note these processors are 1111 uncommon and the support for them is incomplete. 1112 1113config CPU_R10000 1114 bool "R10000" 1115 depends on SYS_HAS_CPU_R10000 1116 select CPU_HAS_LLSC 1117 select CPU_HAS_PREFETCH 1118 select CPU_SUPPORTS_32BIT_KERNEL 1119 select CPU_SUPPORTS_64BIT_KERNEL 1120 select CPU_SUPPORTS_HIGHMEM 1121 help 1122 MIPS Technologies R10000-series processors. 1123 1124config CPU_RM7000 1125 bool "RM7000" 1126 depends on SYS_HAS_CPU_RM7000 1127 select CPU_HAS_LLSC 1128 select CPU_HAS_PREFETCH 1129 select CPU_SUPPORTS_32BIT_KERNEL 1130 select CPU_SUPPORTS_64BIT_KERNEL 1131 select CPU_SUPPORTS_HIGHMEM 1132 1133config CPU_RM9000 1134 bool "RM9000" 1135 depends on SYS_HAS_CPU_RM9000 1136 select CPU_HAS_LLSC 1137 select CPU_HAS_PREFETCH 1138 select CPU_SUPPORTS_32BIT_KERNEL 1139 select CPU_SUPPORTS_64BIT_KERNEL 1140 select CPU_SUPPORTS_HIGHMEM 1141 select WEAK_ORDERING 1142 1143config CPU_SB1 1144 bool "SB1" 1145 depends on SYS_HAS_CPU_SB1 1146 select CPU_HAS_LLSC 1147 select CPU_SUPPORTS_32BIT_KERNEL 1148 select CPU_SUPPORTS_64BIT_KERNEL 1149 select CPU_SUPPORTS_HIGHMEM 1150 select WEAK_ORDERING 1151 1152endchoice 1153 1154config SYS_HAS_CPU_MIPS32_R1 1155 bool 1156 1157config SYS_HAS_CPU_MIPS32_R2 1158 bool 1159 1160config SYS_HAS_CPU_MIPS64_R1 1161 bool 1162 1163config SYS_HAS_CPU_MIPS64_R2 1164 bool 1165 1166config SYS_HAS_CPU_R3000 1167 bool 1168 1169config SYS_HAS_CPU_TX39XX 1170 bool 1171 1172config SYS_HAS_CPU_VR41XX 1173 bool 1174 1175config SYS_HAS_CPU_R4300 1176 bool 1177 1178config SYS_HAS_CPU_R4X00 1179 bool 1180 1181config SYS_HAS_CPU_TX49XX 1182 bool 1183 1184config SYS_HAS_CPU_R5000 1185 bool 1186 1187config SYS_HAS_CPU_R5432 1188 bool 1189 1190config SYS_HAS_CPU_R6000 1191 bool 1192 1193config SYS_HAS_CPU_NEVADA 1194 bool 1195 1196config SYS_HAS_CPU_R8000 1197 bool 1198 1199config SYS_HAS_CPU_R10000 1200 bool 1201 1202config SYS_HAS_CPU_RM7000 1203 bool 1204 1205config SYS_HAS_CPU_RM9000 1206 bool 1207 1208config SYS_HAS_CPU_SB1 1209 bool 1210 1211config WEAK_ORDERING 1212 bool 1213endmenu 1214 1215# 1216# These two indicate any level of the MIPS32 and MIPS64 architecture 1217# 1218config CPU_MIPS32 1219 bool 1220 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1221 1222config CPU_MIPS64 1223 bool 1224 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1225 1226# 1227# These two indicate the revision of the architecture, either Release 1 or Release 2 1228# 1229config CPU_MIPSR1 1230 bool 1231 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1232 1233config CPU_MIPSR2 1234 bool 1235 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1236 1237config SYS_SUPPORTS_32BIT_KERNEL 1238 bool 1239config SYS_SUPPORTS_64BIT_KERNEL 1240 bool 1241config CPU_SUPPORTS_32BIT_KERNEL 1242 bool 1243config CPU_SUPPORTS_64BIT_KERNEL 1244 bool 1245 1246menu "Kernel type" 1247 1248choice 1249 1250 prompt "Kernel code model" 1251 help 1252 You should only select this option if you have a workload that 1253 actually benefits from 64-bit processing or if your machine has 1254 large memory. You will only be presented a single option in this 1255 menu if your system does not support both 32-bit and 64-bit kernels. 1256 1257config 32BIT 1258 bool "32-bit kernel" 1259 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1260 select TRAD_SIGNALS 1261 help 1262 Select this option if you want to build a 32-bit kernel. 1263config 64BIT 1264 bool "64-bit kernel" 1265 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1266 help 1267 Select this option if you want to build a 64-bit kernel. 1268 1269endchoice 1270 1271choice 1272 prompt "Kernel page size" 1273 default PAGE_SIZE_4KB 1274 1275config PAGE_SIZE_4KB 1276 bool "4kB" 1277 help 1278 This option select the standard 4kB Linux page size. On some 1279 R3000-family processors this is the only available page size. Using 1280 4kB page size will minimize memory consumption and is therefore 1281 recommended for low memory systems. 1282 1283config PAGE_SIZE_8KB 1284 bool "8kB" 1285 depends on EXPERIMENTAL && CPU_R8000 1286 help 1287 Using 8kB page size will result in higher performance kernel at 1288 the price of higher memory consumption. This option is available 1289 only on the R8000 processor. Not that at the time of this writing 1290 this option is still high experimental; there are also issues with 1291 compatibility of user applications. 1292 1293config PAGE_SIZE_16KB 1294 bool "16kB" 1295 depends on !CPU_R3000 && !CPU_TX39XX 1296 help 1297 Using 16kB page size will result in higher performance kernel at 1298 the price of higher memory consumption. This option is available on 1299 all non-R3000 family processors. Note that you will need a suitable 1300 Linux distribution to support this. 1301 1302config PAGE_SIZE_64KB 1303 bool "64kB" 1304 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1305 help 1306 Using 64kB page size will result in higher performance kernel at 1307 the price of higher memory consumption. This option is available on 1308 all non-R3000 family processor. Not that at the time of this 1309 writing this option is still high experimental. 1310 1311endchoice 1312 1313config BOARD_SCACHE 1314 bool 1315 1316config IP22_CPU_SCACHE 1317 bool 1318 select BOARD_SCACHE 1319 1320# 1321# Support for a MIPS32 / MIPS64 style S-caches 1322# 1323config MIPS_CPU_SCACHE 1324 bool 1325 select BOARD_SCACHE 1326 1327config R5000_CPU_SCACHE 1328 bool 1329 select BOARD_SCACHE 1330 1331config RM7000_CPU_SCACHE 1332 bool 1333 select BOARD_SCACHE 1334 1335config SIBYTE_DMA_PAGEOPS 1336 bool "Use DMA to clear/copy pages" 1337 depends on CPU_SB1 1338 help 1339 Instead of using the CPU to zero and copy pages, use a Data Mover 1340 channel. These DMA channels are otherwise unused by the standard 1341 SiByte Linux port. Seems to give a small performance benefit. 1342 1343config CPU_HAS_PREFETCH 1344 bool 1345 1346choice 1347 prompt "MIPS MT options" 1348 1349config MIPS_MT_DISABLED 1350 bool "Disable multithreading support." 1351 help 1352 Use this option if your workload can't take advantage of 1353 MIPS hardware multithreading support. On systems that don't have 1354 the option of an MT-enabled processor this option will be the only 1355 option in this menu. 1356 1357config MIPS_MT_SMP 1358 bool "Use 1 TC on each available VPE for SMP" 1359 depends on SYS_SUPPORTS_MULTITHREADING 1360 select CPU_MIPSR2_IRQ_VI 1361 select CPU_MIPSR2_IRQ_EI 1362 select CPU_MIPSR2_SRS 1363 select MIPS_MT 1364 select NR_CPUS_DEFAULT_2 1365 select SMP 1366 select SYS_SUPPORTS_SMP 1367 help 1368 This is a kernel model which is also known a VSMP or lately 1369 has been marketesed into SMVP. 1370 1371config MIPS_MT_SMTC 1372 bool "SMTC: Use all TCs on all VPEs for SMP" 1373 depends on CPU_MIPS32_R2 1374 #depends on CPU_MIPS64_R2 # once there is hardware ... 1375 depends on SYS_SUPPORTS_MULTITHREADING 1376 select CPU_MIPSR2_IRQ_VI 1377 select CPU_MIPSR2_IRQ_EI 1378 select CPU_MIPSR2_SRS 1379 select MIPS_MT 1380 select NR_CPUS_DEFAULT_8 1381 select SMP 1382 select SYS_SUPPORTS_SMP 1383 help 1384 This is a kernel model which is known a SMTC or lately has been 1385 marketesed into SMVP. 1386 1387config MIPS_VPE_LOADER 1388 bool "VPE loader support." 1389 depends on SYS_SUPPORTS_MULTITHREADING 1390 select CPU_MIPSR2_IRQ_VI 1391 select CPU_MIPSR2_IRQ_EI 1392 select CPU_MIPSR2_SRS 1393 select MIPS_MT 1394 help 1395 Includes a loader for loading an elf relocatable object 1396 onto another VPE and running it. 1397 1398endchoice 1399 1400config MIPS_MT 1401 bool 1402 1403config SYS_SUPPORTS_MULTITHREADING 1404 bool 1405 1406config MIPS_MT_FPAFF 1407 bool "Dynamic FPU affinity for FP-intensive threads" 1408 depends on MIPS_MT 1409 default y 1410 1411config MIPS_MT_SMTC_INSTANT_REPLAY 1412 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1413 depends on MIPS_MT_SMTC && !PREEMPT 1414 default y 1415 help 1416 SMTC pseudo-interrupts between TCs are deferred and queued 1417 if the target TC is interrupt-inhibited (IXMT). In the first 1418 SMTC prototypes, these queued IPIs were serviced on return 1419 to user mode, or on entry into the kernel idle loop. The 1420 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1421 processing, which adds runtime overhead (hence the option to turn 1422 it off), but ensures that IPIs are handled promptly even under 1423 heavy I/O interrupt load. 1424 1425config MIPS_VPE_LOADER_TOM 1426 bool "Load VPE program into memory hidden from linux" 1427 depends on MIPS_VPE_LOADER 1428 default y 1429 help 1430 The loader can use memory that is present but has been hidden from 1431 Linux using the kernel command line option "mem=xxMB". It's up to 1432 you to ensure the amount you put in the option and the space your 1433 program requires is less or equal to the amount physically present. 1434 1435# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1436config MIPS_VPE_APSP_API 1437 bool "Enable support for AP/SP API (RTLX)" 1438 depends on MIPS_VPE_LOADER 1439 help 1440 1441config MIPS_APSP_KSPD 1442 bool "Enable KSPD" 1443 depends on MIPS_VPE_APSP_API 1444 default y 1445 help 1446 KSPD is a kernel daemon that accepts syscall requests from the SP 1447 side, actions them and returns the results. It also handles the 1448 "exit" syscall notifying other kernel modules the SP program is 1449 exiting. You probably want to say yes here. 1450 1451config SB1_PASS_1_WORKAROUNDS 1452 bool 1453 depends on CPU_SB1_PASS_1 1454 default y 1455 1456config SB1_PASS_2_WORKAROUNDS 1457 bool 1458 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1459 default y 1460 1461config SB1_PASS_2_1_WORKAROUNDS 1462 bool 1463 depends on CPU_SB1 && CPU_SB1_PASS_2 1464 default y 1465 1466config 64BIT_PHYS_ADDR 1467 bool "Support for 64-bit physical address space" 1468 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1469 1470config CPU_HAS_LLSC 1471 bool 1472 1473config CPU_HAS_SMARTMIPS 1474 depends on SYS_SUPPORTS_SMARTMIPS 1475 bool "Support for the SmartMIPS ASE" 1476 help 1477 SmartMIPS is a extension of the MIPS32 architecture aimed at 1478 increased security at both hardware and software level for 1479 smartcards. Enabling this option will allow proper use of the 1480 SmartMIPS instructions by Linux applications. However a kernel with 1481 this option will not work on a MIPS core without SmartMIPS core. If 1482 you don't know you probably don't have SmartMIPS and should say N 1483 here. 1484 1485config CPU_HAS_WB 1486 bool 1487 1488# 1489# Vectored interrupt mode is an R2 feature 1490# 1491config CPU_MIPSR2_IRQ_VI 1492 bool 1493 1494# 1495# Extended interrupt mode is an R2 feature 1496# 1497config CPU_MIPSR2_IRQ_EI 1498 bool 1499 1500# 1501# Shadow registers are an R2 feature 1502# 1503config CPU_MIPSR2_SRS 1504 bool 1505 1506config CPU_HAS_SYNC 1507 bool 1508 depends on !CPU_R3000 1509 default y 1510 1511# 1512# Use the generic interrupt handling code in kernel/irq/: 1513# 1514config GENERIC_HARDIRQS 1515 bool 1516 default y 1517 1518config GENERIC_IRQ_PROBE 1519 bool 1520 default y 1521 1522config IRQ_PER_CPU 1523 bool 1524 1525# 1526# - Highmem only makes sense for the 32-bit kernel. 1527# - The current highmem code will only work properly on physically indexed 1528# caches such as R3000, SB1, R7000 or those that look like they're virtually 1529# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1530# moment we protect the user and offer the highmem option only on machines 1531# where it's known to be safe. This will not offer highmem on a few systems 1532# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1533# indexed CPUs but we're playing safe. 1534# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1535# know they might have memory configurations that could make use of highmem 1536# support. 1537# 1538config HIGHMEM 1539 bool "High Memory Support" 1540 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1541 1542config CPU_SUPPORTS_HIGHMEM 1543 bool 1544 1545config SYS_SUPPORTS_HIGHMEM 1546 bool 1547 1548config SYS_SUPPORTS_SMARTMIPS 1549 bool 1550 1551config ARCH_FLATMEM_ENABLE 1552 def_bool y 1553 depends on !NUMA 1554 1555config ARCH_DISCONTIGMEM_ENABLE 1556 bool 1557 default y if SGI_IP27 1558 help 1559 Say Y to support efficient handling of discontiguous physical memory, 1560 for architectures which are either NUMA (Non-Uniform Memory Access) 1561 or have huge holes in the physical address space for other reasons. 1562 See <file:Documentation/vm/numa> for more. 1563 1564config ARCH_SPARSEMEM_ENABLE 1565 bool 1566 select SPARSEMEM_STATIC 1567 1568config NUMA 1569 bool "NUMA Support" 1570 depends on SYS_SUPPORTS_NUMA 1571 help 1572 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1573 Access). This option improves performance on systems with more 1574 than two nodes; on two node systems it is generally better to 1575 leave it disabled; on single node systems disable this option 1576 disabled. 1577 1578config SYS_SUPPORTS_NUMA 1579 bool 1580 1581config NODES_SHIFT 1582 int 1583 default "6" 1584 depends on NEED_MULTIPLE_NODES 1585 1586source "mm/Kconfig" 1587 1588config SMP 1589 bool "Multi-Processing support" 1590 depends on SYS_SUPPORTS_SMP 1591 select IRQ_PER_CPU 1592 help 1593 This enables support for systems with more than one CPU. If you have 1594 a system with only one CPU, like most personal computers, say N. If 1595 you have a system with more than one CPU, say Y. 1596 1597 If you say N here, the kernel will run on single and multiprocessor 1598 machines, but will use only one CPU of a multiprocessor machine. If 1599 you say Y here, the kernel will run on many, but not all, 1600 singleprocessor machines. On a singleprocessor machine, the kernel 1601 will run faster if you say N here. 1602 1603 People using multiprocessor machines who say Y here should also say 1604 Y to "Enhanced Real Time Clock Support", below. 1605 1606 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1607 available at <http://www.tldp.org/docs.html#howto>. 1608 1609 If you don't know what to do here, say N. 1610 1611config SYS_SUPPORTS_SMP 1612 bool 1613 1614config NR_CPUS_DEFAULT_1 1615 bool 1616 1617config NR_CPUS_DEFAULT_2 1618 bool 1619 1620config NR_CPUS_DEFAULT_4 1621 bool 1622 1623config NR_CPUS_DEFAULT_8 1624 bool 1625 1626config NR_CPUS_DEFAULT_16 1627 bool 1628 1629config NR_CPUS_DEFAULT_32 1630 bool 1631 1632config NR_CPUS_DEFAULT_64 1633 bool 1634 1635config NR_CPUS 1636 int "Maximum number of CPUs (2-64)" 1637 range 1 64 if NR_CPUS_DEFAULT_1 1638 depends on SMP 1639 default "1" if NR_CPUS_DEFAULT_1 1640 default "2" if NR_CPUS_DEFAULT_2 1641 default "4" if NR_CPUS_DEFAULT_4 1642 default "8" if NR_CPUS_DEFAULT_8 1643 default "16" if NR_CPUS_DEFAULT_16 1644 default "32" if NR_CPUS_DEFAULT_32 1645 default "64" if NR_CPUS_DEFAULT_64 1646 help 1647 This allows you to specify the maximum number of CPUs which this 1648 kernel will support. The maximum supported value is 32 for 32-bit 1649 kernel and 64 for 64-bit kernels; the minimum value which makes 1650 sense is 1 for Qemu (useful only for kernel debugging purposes) 1651 and 2 for all others. 1652 1653 This is purely to save memory - each supported CPU adds 1654 approximately eight kilobytes to the kernel image. For best 1655 performance should round up your number of processors to the next 1656 power of two. 1657 1658# 1659# Timer Interrupt Frequency Configuration 1660# 1661 1662choice 1663 prompt "Timer frequency" 1664 default HZ_250 1665 help 1666 Allows the configuration of the timer frequency. 1667 1668 config HZ_48 1669 bool "48 HZ" if SYS_SUPPORTS_48HZ 1670 1671 config HZ_100 1672 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1673 1674 config HZ_128 1675 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1676 1677 config HZ_250 1678 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1679 1680 config HZ_256 1681 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1682 1683 config HZ_1000 1684 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1685 1686 config HZ_1024 1687 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1688 1689endchoice 1690 1691config SYS_SUPPORTS_48HZ 1692 bool 1693 1694config SYS_SUPPORTS_100HZ 1695 bool 1696 1697config SYS_SUPPORTS_128HZ 1698 bool 1699 1700config SYS_SUPPORTS_250HZ 1701 bool 1702 1703config SYS_SUPPORTS_256HZ 1704 bool 1705 1706config SYS_SUPPORTS_1000HZ 1707 bool 1708 1709config SYS_SUPPORTS_1024HZ 1710 bool 1711 1712config SYS_SUPPORTS_ARBIT_HZ 1713 bool 1714 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1715 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1716 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1717 !SYS_SUPPORTS_1024HZ 1718 1719config HZ 1720 int 1721 default 48 if HZ_48 1722 default 100 if HZ_100 1723 default 128 if HZ_128 1724 default 250 if HZ_250 1725 default 256 if HZ_256 1726 default 1000 if HZ_1000 1727 default 1024 if HZ_1024 1728 1729source "kernel/Kconfig.preempt" 1730 1731config MIPS_INSANE_LARGE 1732 bool "Support for large 64-bit configurations" 1733 depends on CPU_R10000 && 64BIT 1734 help 1735 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1736 previous 64-bit processors which only supported 40 bit / 1TB. If you 1737 need processes of more than 1TB virtual address space, say Y here. 1738 This will result in additional memory usage, so it is not 1739 recommended for normal users. 1740 1741config KEXEC 1742 bool "Kexec system call (EXPERIMENTAL)" 1743 depends on EXPERIMENTAL 1744 help 1745 kexec is a system call that implements the ability to shutdown your 1746 current kernel, and to start another kernel. It is like a reboot 1747 but it is independent of the system firmware. And like a reboot 1748 you can start any kernel with it, not just Linux. 1749 1750 The name comes from the similiarity to the exec system call. 1751 1752 It is an ongoing process to be certain the hardware in a machine 1753 is properly shutdown, so do not be surprised if this code does not 1754 initially work for you. It may help to enable device hotplugging 1755 support. As of this writing the exact hardware interface is 1756 strongly in flux, so no good recommendation can be made. 1757 1758config SECCOMP 1759 bool "Enable seccomp to safely compute untrusted bytecode" 1760 depends on PROC_FS && BROKEN 1761 default y 1762 help 1763 This kernel feature is useful for number crunching applications 1764 that may need to compute untrusted bytecode during their 1765 execution. By using pipes or other transports made available to 1766 the process as file descriptors supporting the read/write 1767 syscalls, it's possible to isolate those applications in 1768 their own address space using seccomp. Once seccomp is 1769 enabled via /proc/<pid>/seccomp, it cannot be disabled 1770 and the task is only allowed to execute a few safe syscalls 1771 defined by each seccomp mode. 1772 1773 If unsure, say Y. Only embedded should say N here. 1774 1775endmenu 1776 1777config RWSEM_GENERIC_SPINLOCK 1778 bool 1779 default y 1780 1781config LOCKDEP_SUPPORT 1782 bool 1783 default y 1784 1785config STACKTRACE_SUPPORT 1786 bool 1787 default y 1788 1789source "init/Kconfig" 1790 1791menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1792 1793config HW_HAS_EISA 1794 bool 1795config HW_HAS_PCI 1796 bool 1797 1798config PCI 1799 bool "Support for PCI controller" 1800 depends on HW_HAS_PCI 1801 help 1802 Find out whether you have a PCI motherboard. PCI is the name of a 1803 bus system, i.e. the way the CPU talks to the other stuff inside 1804 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1805 say Y, otherwise N. 1806 1807 The PCI-HOWTO, available from 1808 <http://www.tldp.org/docs.html#howto>, contains valuable 1809 information about which PCI hardware does work under Linux and which 1810 doesn't. 1811 1812config PCI_DOMAINS 1813 bool 1814 depends on PCI 1815 1816source "drivers/pci/Kconfig" 1817 1818# 1819# ISA support is now enabled via select. Too many systems still have the one 1820# or other ISA chip on the board that users don't know about so don't expect 1821# users to choose the right thing ... 1822# 1823config ISA 1824 bool 1825 1826config EISA 1827 bool "EISA support" 1828 depends on HW_HAS_EISA 1829 select ISA 1830 select GENERIC_ISA_DMA 1831 ---help--- 1832 The Extended Industry Standard Architecture (EISA) bus was 1833 developed as an open alternative to the IBM MicroChannel bus. 1834 1835 The EISA bus provided some of the features of the IBM MicroChannel 1836 bus while maintaining backward compatibility with cards made for 1837 the older ISA bus. The EISA bus saw limited use between 1988 and 1838 1995 when it was made obsolete by the PCI bus. 1839 1840 Say Y here if you are building a kernel for an EISA-based machine. 1841 1842 Otherwise, say N. 1843 1844source "drivers/eisa/Kconfig" 1845 1846config TC 1847 bool "TURBOchannel support" 1848 depends on MACH_DECSTATION 1849 help 1850 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 1851 processors. Documentation on writing device drivers for TurboChannel 1852 is available at: 1853 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 1854 1855#config ACCESSBUS 1856# bool "Access.Bus support" 1857# depends on TC 1858 1859config MMU 1860 bool 1861 default y 1862 1863config I8253 1864 bool 1865 1866source "drivers/pcmcia/Kconfig" 1867 1868source "drivers/pci/hotplug/Kconfig" 1869 1870endmenu 1871 1872menu "Executable file formats" 1873 1874source "fs/Kconfig.binfmt" 1875 1876config TRAD_SIGNALS 1877 bool 1878 1879config BUILD_ELF64 1880 bool "Use 64-bit ELF format for building" 1881 depends on 64BIT 1882 help 1883 A 64-bit kernel is usually built using the 64-bit ELF binary object 1884 format as it's one that allows arbitrary 64-bit constructs. For 1885 kernels that are loaded within the KSEG compatibility segments the 1886 32-bit ELF format can optionally be used resulting in a somewhat 1887 smaller binary, but this option is not explicitly supported by the 1888 toolchain and since binutils 2.14 it does not even work at all. 1889 1890 Say Y to use the 64-bit format or N to use the 32-bit one. 1891 1892 If unsure say Y. 1893 1894config BINFMT_IRIX 1895 bool "Include IRIX binary compatibility" 1896 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 1897 1898config MIPS32_COMPAT 1899 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1900 depends on 64BIT 1901 help 1902 Select this option if you want Linux/MIPS 32-bit binary 1903 compatibility. Since all software available for Linux/MIPS is 1904 currently 32-bit you should say Y here. 1905 1906config COMPAT 1907 bool 1908 depends on MIPS32_COMPAT 1909 default y 1910 1911config SYSVIPC_COMPAT 1912 bool 1913 depends on COMPAT && SYSVIPC 1914 default y 1915 1916config MIPS32_O32 1917 bool "Kernel support for o32 binaries" 1918 depends on MIPS32_COMPAT 1919 help 1920 Select this option if you want to run o32 binaries. These are pure 1921 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 1922 existing binaries are in this format. 1923 1924 If unsure, say Y. 1925 1926config MIPS32_N32 1927 bool "Kernel support for n32 binaries" 1928 depends on MIPS32_COMPAT 1929 help 1930 Select this option if you want to run n32 binaries. These are 1931 64-bit binaries using 32-bit quantities for addressing and certain 1932 data that would normally be 64-bit. They are used in special 1933 cases. 1934 1935 If unsure, say N. 1936 1937config BINFMT_ELF32 1938 bool 1939 default y if MIPS32_O32 || MIPS32_N32 1940 1941endmenu 1942 1943menu "Power management options" 1944 1945source "kernel/power/Kconfig" 1946 1947endmenu 1948 1949source "net/Kconfig" 1950 1951source "drivers/Kconfig" 1952 1953source "fs/Kconfig" 1954 1955source "arch/mips/oprofile/Kconfig" 1956 1957source "arch/mips/Kconfig.debug" 1958 1959source "security/Kconfig" 1960 1961source "crypto/Kconfig" 1962 1963source "lib/Kconfig" 1964