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 LEMOTE_FULONG 19 bool "Lemote Fulong mini-PC" 20 select ARCH_SPARSEMEM_ENABLE 21 select SYS_HAS_CPU_LOONGSON2 22 select DMA_NONCOHERENT 23 select BOOT_ELF32 24 select BOARD_SCACHE 25 select HAVE_STD_PC_SERIAL_PORT 26 select HW_HAS_PCI 27 select I8259 28 select ISA 29 select IRQ_CPU 30 select SYS_SUPPORTS_32BIT_KERNEL 31 select SYS_SUPPORTS_64BIT_KERNEL 32 select SYS_SUPPORTS_LITTLE_ENDIAN 33 select SYS_SUPPORTS_HIGHMEM 34 select SYS_HAS_EARLY_PRINTK 35 select GENERIC_HARDIRQS_NO__DO_IRQ 36 select CPU_HAS_WB 37 help 38 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 39 an FPGA northbridge 40 41config MACH_ALCHEMY 42 bool "Alchemy processor based machines" 43 44config BASLER_EXCITE 45 bool "Basler eXcite smart camera" 46 select DMA_COHERENT 47 select HW_HAS_PCI 48 select IRQ_CPU 49 select IRQ_CPU_RM7K 50 select IRQ_CPU_RM9K 51 select MIPS_RM9122 52 select SYS_HAS_CPU_RM9000 53 select SYS_SUPPORTS_32BIT_KERNEL 54 select SYS_SUPPORTS_64BIT_KERNEL 55 select SYS_SUPPORTS_BIG_ENDIAN 56 select SYS_SUPPORTS_KGDB 57 help 58 The eXcite is a smart camera platform manufactured by 59 Basler Vision Technologies AG. 60 61config BASLER_EXCITE_PROTOTYPE 62 bool "Support for pre-release units" 63 depends on BASLER_EXCITE 64 default n 65 help 66 Pre-series (prototype) units are different from later ones in 67 some ways. Select this option if you have one of these. Please 68 note that a kernel built with this option selected will not be 69 able to run on normal units. 70 71config MIPS_COBALT 72 bool "Cobalt Server" 73 select DMA_NONCOHERENT 74 select HW_HAS_PCI 75 select I8259 76 select IRQ_CPU 77 select PCI_GT64XXX_PCI0 78 select SYS_HAS_CPU_NEVADA 79 select SYS_HAS_EARLY_PRINTK 80 select SYS_SUPPORTS_32BIT_KERNEL 81 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 82 select SYS_SUPPORTS_LITTLE_ENDIAN 83 select GENERIC_HARDIRQS_NO__DO_IRQ 84 85config MACH_DECSTATION 86 bool "DECstations" 87 select BOOT_ELF32 88 select DMA_NONCOHERENT 89 select NO_IOPORT 90 select IRQ_CPU 91 select SYS_HAS_CPU_R3000 92 select SYS_HAS_CPU_R4X00 93 select SYS_SUPPORTS_32BIT_KERNEL 94 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 95 select SYS_SUPPORTS_LITTLE_ENDIAN 96 select SYS_SUPPORTS_128HZ 97 select SYS_SUPPORTS_256HZ 98 select SYS_SUPPORTS_1024HZ 99 help 100 This enables support for DEC's MIPS based workstations. For details 101 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 102 DECstation porting pages on <http://decstation.unix-ag.org/>. 103 104 If you have one of the following DECstation Models you definitely 105 want to choose R4xx0 for the CPU Type: 106 107 DECstation 5000/50 108 DECstation 5000/150 109 DECstation 5000/260 110 DECsystem 5900/260 111 112 otherwise choose R3000. 113 114config MACH_JAZZ 115 bool "Jazz family of machines" 116 select ARC 117 select ARC32 118 select ARCH_MAY_HAVE_PC_FDC 119 select GENERIC_ISA_DMA 120 select I8259 121 select ISA 122 select PCSPEAKER 123 select SYS_HAS_CPU_R4X00 124 select SYS_SUPPORTS_32BIT_KERNEL 125 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 126 select SYS_SUPPORTS_100HZ 127 select GENERIC_HARDIRQS_NO__DO_IRQ 128 help 129 This a family of machines based on the MIPS R4030 chipset which was 130 used by several vendors to build RISC/os and Windows NT workstations. 131 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 132 Olivetti M700-10 workstations. 133 134config MIPS_ATLAS 135 bool "MIPS Atlas board" 136 select BOOT_ELF32 137 select DMA_NONCOHERENT 138 select SYS_HAS_EARLY_PRINTK 139 select IRQ_CPU 140 select HW_HAS_PCI 141 select MIPS_BOARDS_GEN 142 select MIPS_BONITO64 143 select PCI_GT64XXX_PCI0 144 select MIPS_MSC 145 select RM7000_CPU_SCACHE 146 select SWAP_IO_SPACE 147 select SYS_HAS_CPU_MIPS32_R1 148 select SYS_HAS_CPU_MIPS32_R2 149 select SYS_HAS_CPU_MIPS64_R1 150 select SYS_HAS_CPU_NEVADA 151 select SYS_HAS_CPU_RM7000 152 select SYS_SUPPORTS_32BIT_KERNEL 153 select SYS_SUPPORTS_64BIT_KERNEL 154 select SYS_SUPPORTS_BIG_ENDIAN 155 select SYS_SUPPORTS_LITTLE_ENDIAN 156 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 157 select SYS_SUPPORTS_SMARTMIPS 158 select GENERIC_HARDIRQS_NO__DO_IRQ 159 help 160 This enables support for the MIPS Technologies Atlas evaluation 161 board. 162 163config MIPS_MALTA 164 bool "MIPS Malta board" 165 select ARCH_MAY_HAVE_PC_FDC 166 select BOOT_ELF32 167 select DMA_NONCOHERENT 168 select GENERIC_ISA_DMA 169 select IRQ_CPU 170 select HW_HAS_PCI 171 select I8259 172 select MIPS_BOARDS_GEN 173 select MIPS_BONITO64 174 select MIPS_CPU_SCACHE 175 select PCI_GT64XXX_PCI0 176 select MIPS_MSC 177 select SWAP_IO_SPACE 178 select SYS_HAS_CPU_MIPS32_R1 179 select SYS_HAS_CPU_MIPS32_R2 180 select SYS_HAS_CPU_MIPS64_R1 181 select SYS_HAS_CPU_NEVADA 182 select SYS_HAS_CPU_RM7000 183 select SYS_HAS_EARLY_PRINTK 184 select SYS_SUPPORTS_32BIT_KERNEL 185 select SYS_SUPPORTS_64BIT_KERNEL 186 select SYS_SUPPORTS_BIG_ENDIAN 187 select SYS_SUPPORTS_LITTLE_ENDIAN 188 select SYS_SUPPORTS_MULTITHREADING 189 select SYS_SUPPORTS_SMARTMIPS 190 help 191 This enables support for the MIPS Technologies Malta evaluation 192 board. 193 194config MIPS_SEAD 195 bool "MIPS SEAD board (EXPERIMENTAL)" 196 depends on EXPERIMENTAL 197 select IRQ_CPU 198 select DMA_NONCOHERENT 199 select SYS_HAS_EARLY_PRINTK 200 select MIPS_BOARDS_GEN 201 select SYS_HAS_CPU_MIPS32_R1 202 select SYS_HAS_CPU_MIPS32_R2 203 select SYS_HAS_CPU_MIPS64_R1 204 select SYS_SUPPORTS_32BIT_KERNEL 205 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 206 select SYS_SUPPORTS_BIG_ENDIAN 207 select SYS_SUPPORTS_LITTLE_ENDIAN 208 select SYS_SUPPORTS_SMARTMIPS 209 help 210 This enables support for the MIPS Technologies SEAD evaluation 211 board. 212 213config WR_PPMC 214 bool "Wind River PPMC board" 215 select IRQ_CPU 216 select BOOT_ELF32 217 select DMA_NONCOHERENT 218 select HW_HAS_PCI 219 select PCI_GT64XXX_PCI0 220 select SWAP_IO_SPACE 221 select SYS_HAS_CPU_MIPS32_R1 222 select SYS_HAS_CPU_MIPS32_R2 223 select SYS_HAS_CPU_MIPS64_R1 224 select SYS_HAS_CPU_NEVADA 225 select SYS_HAS_CPU_RM7000 226 select SYS_SUPPORTS_32BIT_KERNEL 227 select SYS_SUPPORTS_64BIT_KERNEL 228 select SYS_SUPPORTS_BIG_ENDIAN 229 select SYS_SUPPORTS_LITTLE_ENDIAN 230 help 231 This enables support for the Wind River MIPS32 4KC PPMC evaluation 232 board, which is based on GT64120 bridge chip. 233 234config MIPS_SIM 235 bool 'MIPS simulator (MIPSsim)' 236 select DMA_NONCOHERENT 237 select SYS_HAS_EARLY_PRINTK 238 select IRQ_CPU 239 select BOOT_RAW 240 select SYS_HAS_CPU_MIPS32_R1 241 select SYS_HAS_CPU_MIPS32_R2 242 select SYS_HAS_EARLY_PRINTK 243 select SYS_SUPPORTS_32BIT_KERNEL 244 select SYS_SUPPORTS_BIG_ENDIAN 245 select SYS_SUPPORTS_MULTITHREADING 246 select SYS_SUPPORTS_LITTLE_ENDIAN 247 help 248 This option enables support for MIPS Technologies MIPSsim software 249 emulator. 250 251config MOMENCO_OCELOT 252 bool "Momentum Ocelot board" 253 select DMA_NONCOHERENT 254 select HW_HAS_PCI 255 select IRQ_CPU 256 select IRQ_CPU_RM7K 257 select PCI_GT64XXX_PCI0 258 select RM7000_CPU_SCACHE 259 select SWAP_IO_SPACE 260 select SYS_HAS_CPU_RM7000 261 select SYS_SUPPORTS_32BIT_KERNEL 262 select SYS_SUPPORTS_64BIT_KERNEL 263 select SYS_SUPPORTS_BIG_ENDIAN 264 select SYS_SUPPORTS_KGDB 265 help 266 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 267 Momentum Computer <http://www.momenco.com/>. 268 269config PNX8550_JBS 270 bool "Philips PNX8550 based JBS board" 271 select PNX8550 272 select SYS_SUPPORTS_LITTLE_ENDIAN 273 274config PNX8550_STB810 275 bool "Philips PNX8550 based STB810 board" 276 select PNX8550 277 select SYS_SUPPORTS_LITTLE_ENDIAN 278 279config DDB5477 280 bool "NEC DDB Vrc-5477" 281 select DDB5XXX_COMMON 282 select DMA_NONCOHERENT 283 select HW_HAS_PCI 284 select I8259 285 select IRQ_CPU 286 select SYS_HAS_CPU_R5432 287 select SYS_SUPPORTS_32BIT_KERNEL 288 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 289 select SYS_SUPPORTS_KGDB 290 select SYS_SUPPORTS_KGDB 291 select SYS_SUPPORTS_LITTLE_ENDIAN 292 help 293 This enables support for the R5432-based NEC DDB Vrc-5477, 294 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 295 296 Features : kernel debugging, serial terminal, NFS root fs, on-board 297 ether port USB, AC97, PCI, etc. 298 299config MACH_VR41XX 300 bool "NEC VR4100 series based machines" 301 select SYS_HAS_CPU_VR41XX 302 select GENERIC_HARDIRQS_NO__DO_IRQ 303 304config PMC_MSP 305 bool "PMC-Sierra MSP chipsets" 306 depends on EXPERIMENTAL 307 select DMA_NONCOHERENT 308 select SWAP_IO_SPACE 309 select NO_EXCEPT_FILL 310 select BOOT_RAW 311 select SYS_HAS_CPU_MIPS32_R1 312 select SYS_HAS_CPU_MIPS32_R2 313 select SYS_SUPPORTS_32BIT_KERNEL 314 select SYS_SUPPORTS_BIG_ENDIAN 315 select SYS_SUPPORTS_KGDB 316 select IRQ_CPU 317 select SERIAL_8250 318 select SERIAL_8250_CONSOLE 319 help 320 This adds support for the PMC-Sierra family of Multi-Service 321 Processor System-On-A-Chips. These parts include a number 322 of integrated peripherals, interfaces and DSPs in addition to 323 a variety of MIPS cores. 324 325config PMC_YOSEMITE 326 bool "PMC-Sierra Yosemite eval board" 327 select DMA_COHERENT 328 select HW_HAS_PCI 329 select IRQ_CPU 330 select IRQ_CPU_RM7K 331 select IRQ_CPU_RM9K 332 select SWAP_IO_SPACE 333 select SYS_HAS_CPU_RM9000 334 select SYS_HAS_EARLY_PRINTK 335 select SYS_SUPPORTS_32BIT_KERNEL 336 select SYS_SUPPORTS_64BIT_KERNEL 337 select SYS_SUPPORTS_BIG_ENDIAN 338 select SYS_SUPPORTS_HIGHMEM 339 select SYS_SUPPORTS_KGDB 340 select SYS_SUPPORTS_SMP 341 help 342 Yosemite is an evaluation board for the RM9000x2 processor 343 manufactured by PMC-Sierra. 344 345config QEMU 346 bool "Qemu" 347 select DMA_COHERENT 348 select GENERIC_ISA_DMA 349 select HAVE_STD_PC_SERIAL_PORT 350 select I8259 351 select ISA 352 select PCSPEAKER 353 select SWAP_IO_SPACE 354 select SYS_HAS_CPU_MIPS32_R1 355 select SYS_SUPPORTS_32BIT_KERNEL 356 select SYS_SUPPORTS_BIG_ENDIAN 357 select SYS_SUPPORTS_LITTLE_ENDIAN 358 select ARCH_SPARSEMEM_ENABLE 359 select GENERIC_HARDIRQS_NO__DO_IRQ 360 select NR_CPUS_DEFAULT_1 361 select SYS_SUPPORTS_SMP 362 help 363 Qemu is a software emulator which among other architectures also 364 can simulate a MIPS32 4Kc system. This patch adds support for the 365 system architecture that currently is being simulated by Qemu. It 366 will eventually be removed again when Qemu has the capability to 367 simulate actual MIPS hardware platforms. More information on Qemu 368 can be found at http://www.linux-mips.org/wiki/Qemu. 369 370config MARKEINS 371 bool "NEC EMMA2RH Mark-eins" 372 select DMA_NONCOHERENT 373 select HW_HAS_PCI 374 select IRQ_CPU 375 select SWAP_IO_SPACE 376 select SYS_SUPPORTS_32BIT_KERNEL 377 select SYS_SUPPORTS_BIG_ENDIAN 378 select SYS_SUPPORTS_LITTLE_ENDIAN 379 select SYS_HAS_CPU_R5000 380 help 381 This enables support for the R5432-based NEC Mark-eins 382 boards with R5500 CPU. 383 384config SGI_IP22 385 bool "SGI IP22 (Indy/Indigo2)" 386 select ARC 387 select ARC32 388 select BOOT_ELF32 389 select DMA_NONCOHERENT 390 select HW_HAS_EISA 391 select IP22_CPU_SCACHE 392 select IRQ_CPU 393 select GENERIC_ISA_DMA_SUPPORT_BROKEN 394 select SWAP_IO_SPACE 395 select SYS_HAS_CPU_R4X00 396 select SYS_HAS_CPU_R5000 397 select SYS_HAS_EARLY_PRINTK 398 select SYS_SUPPORTS_32BIT_KERNEL 399 select SYS_SUPPORTS_64BIT_KERNEL 400 select SYS_SUPPORTS_BIG_ENDIAN 401 help 402 This are the SGI Indy, Challenge S and Indigo2, as well as certain 403 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 404 that runs on these, say Y here. 405 406config SGI_IP27 407 bool "SGI IP27 (Origin200/2000)" 408 select ARC 409 select ARC64 410 select BOOT_ELF64 411 select DMA_IP27 412 select SYS_HAS_EARLY_PRINTK 413 select HW_HAS_PCI 414 select NR_CPUS_DEFAULT_64 415 select PCI_DOMAINS 416 select SYS_HAS_CPU_R10000 417 select SYS_SUPPORTS_64BIT_KERNEL 418 select SYS_SUPPORTS_BIG_ENDIAN 419 select SYS_SUPPORTS_KGDB 420 select SYS_SUPPORTS_NUMA 421 select SYS_SUPPORTS_SMP 422 select GENERIC_HARDIRQS_NO__DO_IRQ 423 help 424 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 425 workstations. To compile a Linux kernel that runs on these, say Y 426 here. 427 428config SGI_IP32 429 bool "SGI IP32 (O2)" 430 select ARC 431 select ARC32 432 select BOOT_ELF32 433 select DMA_NONCOHERENT 434 select HW_HAS_PCI 435 select R5000_CPU_SCACHE 436 select RM7000_CPU_SCACHE 437 select SYS_HAS_CPU_R5000 438 select SYS_HAS_CPU_R10000 if BROKEN 439 select SYS_HAS_CPU_RM7000 440 select SYS_HAS_CPU_NEVADA 441 select SYS_SUPPORTS_64BIT_KERNEL 442 select SYS_SUPPORTS_BIG_ENDIAN 443 help 444 If you want this kernel to run on SGI O2 workstation, say Y here. 445 446config SIBYTE_BIGSUR 447 bool "Sibyte BCM91480B-BigSur" 448 select BOOT_ELF32 449 select DMA_COHERENT 450 select NR_CPUS_DEFAULT_4 451 select PCI_DOMAINS 452 select SIBYTE_BCM1x80 453 select SWAP_IO_SPACE 454 select SYS_HAS_CPU_SB1 455 select SYS_SUPPORTS_BIG_ENDIAN 456 select SYS_SUPPORTS_LITTLE_ENDIAN 457 458config SIBYTE_SWARM 459 bool "Sibyte BCM91250A-SWARM" 460 select BOOT_ELF32 461 select DMA_COHERENT 462 select NR_CPUS_DEFAULT_2 463 select SIBYTE_SB1250 464 select SWAP_IO_SPACE 465 select SYS_HAS_CPU_SB1 466 select SYS_SUPPORTS_BIG_ENDIAN 467 select SYS_SUPPORTS_HIGHMEM 468 select SYS_SUPPORTS_KGDB 469 select SYS_SUPPORTS_LITTLE_ENDIAN 470 471config SIBYTE_SENTOSA 472 bool "Sibyte BCM91250E-Sentosa" 473 depends on EXPERIMENTAL 474 select BOOT_ELF32 475 select DMA_COHERENT 476 select NR_CPUS_DEFAULT_2 477 select SIBYTE_SB1250 478 select SWAP_IO_SPACE 479 select SYS_HAS_CPU_SB1 480 select SYS_SUPPORTS_BIG_ENDIAN 481 select SYS_SUPPORTS_LITTLE_ENDIAN 482 483config SIBYTE_RHONE 484 bool "Sibyte BCM91125E-Rhone" 485 depends on EXPERIMENTAL 486 select BOOT_ELF32 487 select DMA_COHERENT 488 select SIBYTE_BCM1125H 489 select SWAP_IO_SPACE 490 select SYS_HAS_CPU_SB1 491 select SYS_SUPPORTS_BIG_ENDIAN 492 select SYS_SUPPORTS_LITTLE_ENDIAN 493 494config SIBYTE_CARMEL 495 bool "Sibyte BCM91120x-Carmel" 496 depends on EXPERIMENTAL 497 select BOOT_ELF32 498 select DMA_COHERENT 499 select SIBYTE_BCM1120 500 select SWAP_IO_SPACE 501 select SYS_HAS_CPU_SB1 502 select SYS_SUPPORTS_BIG_ENDIAN 503 select SYS_SUPPORTS_LITTLE_ENDIAN 504 505config SIBYTE_PTSWARM 506 bool "Sibyte BCM91250PT-PTSWARM" 507 depends on EXPERIMENTAL 508 select BOOT_ELF32 509 select DMA_COHERENT 510 select NR_CPUS_DEFAULT_2 511 select SIBYTE_SB1250 512 select SWAP_IO_SPACE 513 select SYS_HAS_CPU_SB1 514 select SYS_SUPPORTS_BIG_ENDIAN 515 select SYS_SUPPORTS_HIGHMEM 516 select SYS_SUPPORTS_LITTLE_ENDIAN 517 518config SIBYTE_LITTLESUR 519 bool "Sibyte BCM91250C2-LittleSur" 520 depends on EXPERIMENTAL 521 select BOOT_ELF32 522 select DMA_COHERENT 523 select NR_CPUS_DEFAULT_2 524 select SIBYTE_SB1250 525 select SWAP_IO_SPACE 526 select SYS_HAS_CPU_SB1 527 select SYS_SUPPORTS_BIG_ENDIAN 528 select SYS_SUPPORTS_HIGHMEM 529 select SYS_SUPPORTS_LITTLE_ENDIAN 530 531config SIBYTE_CRHINE 532 bool "Sibyte BCM91120C-CRhine" 533 depends on EXPERIMENTAL 534 select BOOT_ELF32 535 select DMA_COHERENT 536 select SIBYTE_BCM1120 537 select SWAP_IO_SPACE 538 select SYS_HAS_CPU_SB1 539 select SYS_SUPPORTS_BIG_ENDIAN 540 select SYS_SUPPORTS_LITTLE_ENDIAN 541 542config SIBYTE_CRHONE 543 bool "Sibyte BCM91125C-CRhone" 544 depends on EXPERIMENTAL 545 select BOOT_ELF32 546 select DMA_COHERENT 547 select SIBYTE_BCM1125 548 select SWAP_IO_SPACE 549 select SYS_HAS_CPU_SB1 550 select SYS_SUPPORTS_BIG_ENDIAN 551 select SYS_SUPPORTS_HIGHMEM 552 select SYS_SUPPORTS_LITTLE_ENDIAN 553 554config SNI_RM 555 bool "SNI RM200/300/400" 556 select ARC if CPU_LITTLE_ENDIAN 557 select ARC32 if CPU_LITTLE_ENDIAN 558 select ARCH_MAY_HAVE_PC_FDC 559 select BOOT_ELF32 560 select DMA_NONCOHERENT 561 select GENERIC_ISA_DMA 562 select HW_HAS_EISA 563 select HW_HAS_PCI 564 select IRQ_CPU 565 select I8259 566 select ISA 567 select PCSPEAKER 568 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 569 select SYS_HAS_CPU_R4X00 570 select SYS_HAS_CPU_R5000 571 select SYS_HAS_CPU_R10000 572 select R5000_CPU_SCACHE 573 select SYS_HAS_EARLY_PRINTK 574 select SYS_SUPPORTS_32BIT_KERNEL 575 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 576 select SYS_SUPPORTS_BIG_ENDIAN 577 select SYS_SUPPORTS_HIGHMEM 578 select SYS_SUPPORTS_LITTLE_ENDIAN 579 help 580 The SNI RM200/300/400 are MIPS-based machines manufactured by 581 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 582 Technology and now in turn merged with Fujitsu. Say Y here to 583 support this machine type. 584 585config TOSHIBA_JMR3927 586 bool "Toshiba JMR-TX3927 board" 587 select DMA_NONCOHERENT 588 select HW_HAS_PCI 589 select MIPS_TX3927 590 select SWAP_IO_SPACE 591 select SYS_HAS_CPU_TX39XX 592 select SYS_SUPPORTS_32BIT_KERNEL 593 select SYS_SUPPORTS_LITTLE_ENDIAN 594 select SYS_SUPPORTS_BIG_ENDIAN 595 select GENERIC_HARDIRQS_NO__DO_IRQ 596 597config TOSHIBA_RBTX4927 598 bool "Toshiba TBTX49[23]7 board" 599 select DMA_NONCOHERENT 600 select HAS_TXX9_SERIAL 601 select HW_HAS_PCI 602 select I8259 603 select SWAP_IO_SPACE 604 select SYS_HAS_CPU_TX49XX 605 select SYS_SUPPORTS_32BIT_KERNEL 606 select SYS_SUPPORTS_64BIT_KERNEL 607 select SYS_SUPPORTS_LITTLE_ENDIAN 608 select SYS_SUPPORTS_BIG_ENDIAN 609 select SYS_SUPPORTS_KGDB 610 select GENERIC_HARDIRQS_NO__DO_IRQ 611 help 612 This Toshiba board is based on the TX4927 processor. Say Y here to 613 support this machine type 614 615config TOSHIBA_RBTX4938 616 bool "Toshiba RBTX4938 board" 617 select HAVE_STD_PC_SERIAL_PORT 618 select DMA_NONCOHERENT 619 select GENERIC_ISA_DMA 620 select HAS_TXX9_SERIAL 621 select HW_HAS_PCI 622 select I8259 623 select SWAP_IO_SPACE 624 select SYS_HAS_CPU_TX49XX 625 select SYS_SUPPORTS_32BIT_KERNEL 626 select SYS_SUPPORTS_LITTLE_ENDIAN 627 select SYS_SUPPORTS_BIG_ENDIAN 628 select SYS_SUPPORTS_KGDB 629 select GENERIC_HARDIRQS_NO__DO_IRQ 630 select GENERIC_GPIO 631 help 632 This Toshiba board is based on the TX4938 processor. Say Y here to 633 support this machine type 634 635endchoice 636 637source "arch/mips/au1000/Kconfig" 638source "arch/mips/ddb5xxx/Kconfig" 639source "arch/mips/jazz/Kconfig" 640source "arch/mips/pmc-sierra/Kconfig" 641source "arch/mips/sgi-ip27/Kconfig" 642source "arch/mips/sibyte/Kconfig" 643source "arch/mips/tx4927/Kconfig" 644source "arch/mips/tx4938/Kconfig" 645source "arch/mips/vr41xx/Kconfig" 646source "arch/mips/philips/pnx8550/common/Kconfig" 647 648endmenu 649 650config RWSEM_GENERIC_SPINLOCK 651 bool 652 default y 653 654config RWSEM_XCHGADD_ALGORITHM 655 bool 656 657config ARCH_HAS_ILOG2_U32 658 bool 659 default n 660 661config ARCH_HAS_ILOG2_U64 662 bool 663 default n 664 665config GENERIC_FIND_NEXT_BIT 666 bool 667 default y 668 669config GENERIC_HWEIGHT 670 bool 671 default y 672 673config GENERIC_CALIBRATE_DELAY 674 bool 675 default y 676 677config GENERIC_TIME 678 bool 679 default y 680 681config SCHED_NO_NO_OMIT_FRAME_POINTER 682 bool 683 default y 684 685config GENERIC_HARDIRQS_NO__DO_IRQ 686 bool 687 default n 688 689# 690# Select some configuration options automatically based on user selections. 691# 692config ARC 693 bool 694 695config ARCH_MAY_HAVE_PC_FDC 696 bool 697 698config BOOT_RAW 699 bool 700 701config DMA_COHERENT 702 bool 703 704config DMA_IP27 705 bool 706 707config DMA_IP32 708 bool 709 select DMA_NEED_PCI_MAP_STATE 710 711config DMA_NONCOHERENT 712 bool 713 select DMA_NEED_PCI_MAP_STATE 714 715config DMA_NEED_PCI_MAP_STATE 716 bool 717 718config EARLY_PRINTK 719 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 720 depends on SYS_HAS_EARLY_PRINTK 721 default y 722 help 723 This option enables special console drivers which allow the kernel 724 to print messages very early in the bootup process. 725 726 This is useful for kernel debugging when your machine crashes very 727 early before the console code is initialized. For normal operation, 728 it is not recommended because it looks ugly on some machines and 729 doesn't cooperate with an X server. You should normally say N here, 730 unless you want to debug such a crash. 731 732config SYS_HAS_EARLY_PRINTK 733 bool 734 735config GENERIC_ISA_DMA 736 bool 737 select ZONE_DMA 738 739config I8259 740 bool 741 742config MIPS_BONITO64 743 bool 744 745config MIPS_MSC 746 bool 747 748config MIPS_DISABLE_OBSOLETE_IDE 749 bool 750 751config NO_IOPORT 752 def_bool n 753 754config GENERIC_ISA_DMA_SUPPORT_BROKEN 755 bool 756 select ZONE_DMA 757 758config GENERIC_GPIO 759 bool 760 761# 762# Endianess selection. Sufficiently obscure so many users don't know what to 763# answer,so we try hard to limit the available choices. Also the use of a 764# choice statement should be more obvious to the user. 765# 766choice 767 prompt "Endianess selection" 768 help 769 Some MIPS machines can be configured for either little or big endian 770 byte order. These modes require different kernels and a different 771 Linux distribution. In general there is one preferred byteorder for a 772 particular system but some systems are just as commonly used in the 773 one or the other endianness. 774 775config CPU_BIG_ENDIAN 776 bool "Big endian" 777 depends on SYS_SUPPORTS_BIG_ENDIAN 778 779config CPU_LITTLE_ENDIAN 780 bool "Little endian" 781 depends on SYS_SUPPORTS_LITTLE_ENDIAN 782 help 783 784endchoice 785 786config SYS_SUPPORTS_APM_EMULATION 787 bool 788 789config SYS_SUPPORTS_BIG_ENDIAN 790 bool 791 792config SYS_SUPPORTS_LITTLE_ENDIAN 793 bool 794 795config IRQ_CPU 796 bool 797 798config IRQ_CPU_RM7K 799 bool 800 801config IRQ_CPU_RM9K 802 bool 803 804config IRQ_MSP_SLP 805 bool 806 807config IRQ_MSP_CIC 808 bool 809 810config DDB5XXX_COMMON 811 bool 812 select SYS_SUPPORTS_KGDB 813 814config MIPS_BOARDS_GEN 815 bool 816 817config PCI_GT64XXX_PCI0 818 bool 819 820config NO_EXCEPT_FILL 821 bool 822 823config MIPS_TX3927 824 bool 825 select HAS_TXX9_SERIAL 826 827config MIPS_RM9122 828 bool 829 select SERIAL_RM9000 830 831config PNX8550 832 bool 833 select SOC_PNX8550 834 835config SOC_PNX8550 836 bool 837 select DMA_NONCOHERENT 838 select HW_HAS_PCI 839 select SYS_HAS_CPU_MIPS32_R1 840 select SYS_HAS_EARLY_PRINTK 841 select SYS_SUPPORTS_32BIT_KERNEL 842 select GENERIC_HARDIRQS_NO__DO_IRQ 843 select SYS_SUPPORTS_KGDB 844 select GENERIC_GPIO 845 846config SWAP_IO_SPACE 847 bool 848 849config EMMA2RH 850 bool 851 depends on MARKEINS 852 default y 853 854config SERIAL_RM9000 855 bool 856 857# 858# Unfortunately not all GT64120 systems run the chip at the same clock. 859# As the user for the clock rate and try to minimize the available options. 860# 861choice 862 prompt "Galileo Chip Clock" 863 depends on MOMENCO_OCELOT 864 default SYSCLK_100 if MOMENCO_OCELOT 865 866config SYSCLK_100 867 bool "100" if MOMENCO_OCELOT 868 869endchoice 870 871config ARC32 872 bool 873 874config BOOT_ELF32 875 bool 876 877config MIPS_L1_CACHE_SHIFT 878 int 879 default "4" if MACH_DECSTATION 880 default "7" if SGI_IP27 || SNI_RM 881 default "4" if PMC_MSP4200_EVAL 882 default "5" 883 884config HAVE_STD_PC_SERIAL_PORT 885 bool 886 887config ARC_CONSOLE 888 bool "ARC console support" 889 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 890 891config ARC_MEMORY 892 bool 893 depends on MACH_JAZZ || SNI_RM || SGI_IP32 894 default y 895 896config ARC_PROMLIB 897 bool 898 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 899 default y 900 901config ARC64 902 bool 903 904config BOOT_ELF64 905 bool 906 907menu "CPU selection" 908 909choice 910 prompt "CPU type" 911 default CPU_R4X00 912 913config CPU_LOONGSON2 914 bool "Loongson 2" 915 depends on SYS_HAS_CPU_LOONGSON2 916 select CPU_SUPPORTS_32BIT_KERNEL 917 select CPU_SUPPORTS_64BIT_KERNEL 918 select CPU_SUPPORTS_HIGHMEM 919 help 920 The Loongson 2E processor implements the MIPS III instruction set 921 with many extensions. 922 923config CPU_MIPS32_R1 924 bool "MIPS32 Release 1" 925 depends on SYS_HAS_CPU_MIPS32_R1 926 select CPU_HAS_LLSC 927 select CPU_HAS_PREFETCH 928 select CPU_SUPPORTS_32BIT_KERNEL 929 select CPU_SUPPORTS_HIGHMEM 930 help 931 Choose this option to build a kernel for release 1 or later of the 932 MIPS32 architecture. Most modern embedded systems with a 32-bit 933 MIPS processor are based on a MIPS32 processor. If you know the 934 specific type of processor in your system, choose those that one 935 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 936 Release 2 of the MIPS32 architecture is available since several 937 years so chances are you even have a MIPS32 Release 2 processor 938 in which case you should choose CPU_MIPS32_R2 instead for better 939 performance. 940 941config CPU_MIPS32_R2 942 bool "MIPS32 Release 2" 943 depends on SYS_HAS_CPU_MIPS32_R2 944 select CPU_HAS_LLSC 945 select CPU_HAS_PREFETCH 946 select CPU_SUPPORTS_32BIT_KERNEL 947 select CPU_SUPPORTS_HIGHMEM 948 help 949 Choose this option to build a kernel for release 2 or later of the 950 MIPS32 architecture. Most modern embedded systems with a 32-bit 951 MIPS processor are based on a MIPS32 processor. If you know the 952 specific type of processor in your system, choose those that one 953 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 954 955config CPU_MIPS64_R1 956 bool "MIPS64 Release 1" 957 depends on SYS_HAS_CPU_MIPS64_R1 958 select CPU_HAS_LLSC 959 select CPU_HAS_PREFETCH 960 select CPU_SUPPORTS_32BIT_KERNEL 961 select CPU_SUPPORTS_64BIT_KERNEL 962 select CPU_SUPPORTS_HIGHMEM 963 help 964 Choose this option to build a kernel for release 1 or later of the 965 MIPS64 architecture. Many modern embedded systems with a 64-bit 966 MIPS processor are based on a MIPS64 processor. If you know the 967 specific type of processor in your system, choose those that one 968 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 969 Release 2 of the MIPS64 architecture is available since several 970 years so chances are you even have a MIPS64 Release 2 processor 971 in which case you should choose CPU_MIPS64_R2 instead for better 972 performance. 973 974config CPU_MIPS64_R2 975 bool "MIPS64 Release 2" 976 depends on SYS_HAS_CPU_MIPS64_R2 977 select CPU_HAS_LLSC 978 select CPU_HAS_PREFETCH 979 select CPU_SUPPORTS_32BIT_KERNEL 980 select CPU_SUPPORTS_64BIT_KERNEL 981 select CPU_SUPPORTS_HIGHMEM 982 help 983 Choose this option to build a kernel for release 2 or later of the 984 MIPS64 architecture. Many modern embedded systems with a 64-bit 985 MIPS processor are based on a MIPS64 processor. If you know the 986 specific type of processor in your system, choose those that one 987 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 988 989config CPU_R3000 990 bool "R3000" 991 depends on SYS_HAS_CPU_R3000 992 select CPU_HAS_WB 993 select CPU_SUPPORTS_32BIT_KERNEL 994 select CPU_SUPPORTS_HIGHMEM 995 help 996 Please make sure to pick the right CPU type. Linux/MIPS is not 997 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 998 *not* work on R4000 machines and vice versa. However, since most 999 of the supported machines have an R4000 (or similar) CPU, R4x00 1000 might be a safe bet. If the resulting kernel does not work, 1001 try to recompile with R3000. 1002 1003config CPU_TX39XX 1004 bool "R39XX" 1005 depends on SYS_HAS_CPU_TX39XX 1006 select CPU_SUPPORTS_32BIT_KERNEL 1007 1008config CPU_VR41XX 1009 bool "R41xx" 1010 depends on SYS_HAS_CPU_VR41XX 1011 select CPU_SUPPORTS_32BIT_KERNEL 1012 select CPU_SUPPORTS_64BIT_KERNEL 1013 help 1014 The options selects support for the NEC VR4100 series of processors. 1015 Only choose this option if you have one of these processors as a 1016 kernel built with this option will not run on any other type of 1017 processor or vice versa. 1018 1019config CPU_R4300 1020 bool "R4300" 1021 depends on SYS_HAS_CPU_R4300 1022 select CPU_HAS_LLSC 1023 select CPU_SUPPORTS_32BIT_KERNEL 1024 select CPU_SUPPORTS_64BIT_KERNEL 1025 help 1026 MIPS Technologies R4300-series processors. 1027 1028config CPU_R4X00 1029 bool "R4x00" 1030 depends on SYS_HAS_CPU_R4X00 1031 select CPU_HAS_LLSC 1032 select CPU_SUPPORTS_32BIT_KERNEL 1033 select CPU_SUPPORTS_64BIT_KERNEL 1034 help 1035 MIPS Technologies R4000-series processors other than 4300, including 1036 the R4000, R4400, R4600, and 4700. 1037 1038config CPU_TX49XX 1039 bool "R49XX" 1040 depends on SYS_HAS_CPU_TX49XX 1041 select CPU_HAS_LLSC 1042 select CPU_HAS_PREFETCH 1043 select CPU_SUPPORTS_32BIT_KERNEL 1044 select CPU_SUPPORTS_64BIT_KERNEL 1045 1046config CPU_R5000 1047 bool "R5000" 1048 depends on SYS_HAS_CPU_R5000 1049 select CPU_HAS_LLSC 1050 select CPU_SUPPORTS_32BIT_KERNEL 1051 select CPU_SUPPORTS_64BIT_KERNEL 1052 help 1053 MIPS Technologies R5000-series processors other than the Nevada. 1054 1055config CPU_R5432 1056 bool "R5432" 1057 depends on SYS_HAS_CPU_R5432 1058 select CPU_HAS_LLSC 1059 select CPU_SUPPORTS_32BIT_KERNEL 1060 select CPU_SUPPORTS_64BIT_KERNEL 1061 1062config CPU_R6000 1063 bool "R6000" 1064 depends on EXPERIMENTAL 1065 select CPU_HAS_LLSC 1066 depends on SYS_HAS_CPU_R6000 1067 select CPU_SUPPORTS_32BIT_KERNEL 1068 help 1069 MIPS Technologies R6000 and R6000A series processors. Note these 1070 processors are extremely rare and the support for them is incomplete. 1071 1072config CPU_NEVADA 1073 bool "RM52xx" 1074 depends on SYS_HAS_CPU_NEVADA 1075 select CPU_HAS_LLSC 1076 select CPU_SUPPORTS_32BIT_KERNEL 1077 select CPU_SUPPORTS_64BIT_KERNEL 1078 help 1079 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1080 1081config CPU_R8000 1082 bool "R8000" 1083 depends on EXPERIMENTAL 1084 depends on SYS_HAS_CPU_R8000 1085 select CPU_HAS_LLSC 1086 select CPU_HAS_PREFETCH 1087 select CPU_SUPPORTS_64BIT_KERNEL 1088 help 1089 MIPS Technologies R8000 processors. Note these processors are 1090 uncommon and the support for them is incomplete. 1091 1092config CPU_R10000 1093 bool "R10000" 1094 depends on SYS_HAS_CPU_R10000 1095 select CPU_HAS_LLSC 1096 select CPU_HAS_PREFETCH 1097 select CPU_SUPPORTS_32BIT_KERNEL 1098 select CPU_SUPPORTS_64BIT_KERNEL 1099 select CPU_SUPPORTS_HIGHMEM 1100 help 1101 MIPS Technologies R10000-series processors. 1102 1103config CPU_RM7000 1104 bool "RM7000" 1105 depends on SYS_HAS_CPU_RM7000 1106 select CPU_HAS_LLSC 1107 select CPU_HAS_PREFETCH 1108 select CPU_SUPPORTS_32BIT_KERNEL 1109 select CPU_SUPPORTS_64BIT_KERNEL 1110 select CPU_SUPPORTS_HIGHMEM 1111 1112config CPU_RM9000 1113 bool "RM9000" 1114 depends on SYS_HAS_CPU_RM9000 1115 select CPU_HAS_LLSC 1116 select CPU_HAS_PREFETCH 1117 select CPU_SUPPORTS_32BIT_KERNEL 1118 select CPU_SUPPORTS_64BIT_KERNEL 1119 select CPU_SUPPORTS_HIGHMEM 1120 select WEAK_ORDERING 1121 1122config CPU_SB1 1123 bool "SB1" 1124 depends on SYS_HAS_CPU_SB1 1125 select CPU_HAS_LLSC 1126 select CPU_SUPPORTS_32BIT_KERNEL 1127 select CPU_SUPPORTS_64BIT_KERNEL 1128 select CPU_SUPPORTS_HIGHMEM 1129 select WEAK_ORDERING 1130 1131endchoice 1132 1133config SYS_HAS_CPU_LOONGSON2 1134 bool 1135 1136config SYS_HAS_CPU_MIPS32_R1 1137 bool 1138 1139config SYS_HAS_CPU_MIPS32_R2 1140 bool 1141 1142config SYS_HAS_CPU_MIPS64_R1 1143 bool 1144 1145config SYS_HAS_CPU_MIPS64_R2 1146 bool 1147 1148config SYS_HAS_CPU_R3000 1149 bool 1150 1151config SYS_HAS_CPU_TX39XX 1152 bool 1153 1154config SYS_HAS_CPU_VR41XX 1155 bool 1156 1157config SYS_HAS_CPU_R4300 1158 bool 1159 1160config SYS_HAS_CPU_R4X00 1161 bool 1162 1163config SYS_HAS_CPU_TX49XX 1164 bool 1165 1166config SYS_HAS_CPU_R5000 1167 bool 1168 1169config SYS_HAS_CPU_R5432 1170 bool 1171 1172config SYS_HAS_CPU_R6000 1173 bool 1174 1175config SYS_HAS_CPU_NEVADA 1176 bool 1177 1178config SYS_HAS_CPU_R8000 1179 bool 1180 1181config SYS_HAS_CPU_R10000 1182 bool 1183 1184config SYS_HAS_CPU_RM7000 1185 bool 1186 1187config SYS_HAS_CPU_RM9000 1188 bool 1189 1190config SYS_HAS_CPU_SB1 1191 bool 1192 1193config WEAK_ORDERING 1194 bool 1195endmenu 1196 1197# 1198# These two indicate any level of the MIPS32 and MIPS64 architecture 1199# 1200config CPU_MIPS32 1201 bool 1202 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1203 1204config CPU_MIPS64 1205 bool 1206 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1207 1208# 1209# These two indicate the revision of the architecture, either Release 1 or Release 2 1210# 1211config CPU_MIPSR1 1212 bool 1213 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1214 1215config CPU_MIPSR2 1216 bool 1217 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1218 1219config SYS_SUPPORTS_32BIT_KERNEL 1220 bool 1221config SYS_SUPPORTS_64BIT_KERNEL 1222 bool 1223config CPU_SUPPORTS_32BIT_KERNEL 1224 bool 1225config CPU_SUPPORTS_64BIT_KERNEL 1226 bool 1227 1228menu "Kernel type" 1229 1230choice 1231 1232 prompt "Kernel code model" 1233 help 1234 You should only select this option if you have a workload that 1235 actually benefits from 64-bit processing or if your machine has 1236 large memory. You will only be presented a single option in this 1237 menu if your system does not support both 32-bit and 64-bit kernels. 1238 1239config 32BIT 1240 bool "32-bit kernel" 1241 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1242 select TRAD_SIGNALS 1243 help 1244 Select this option if you want to build a 32-bit kernel. 1245config 64BIT 1246 bool "64-bit kernel" 1247 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1248 help 1249 Select this option if you want to build a 64-bit kernel. 1250 1251endchoice 1252 1253choice 1254 prompt "Kernel page size" 1255 default PAGE_SIZE_4KB 1256 1257config PAGE_SIZE_4KB 1258 bool "4kB" 1259 help 1260 This option select the standard 4kB Linux page size. On some 1261 R3000-family processors this is the only available page size. Using 1262 4kB page size will minimize memory consumption and is therefore 1263 recommended for low memory systems. 1264 1265config PAGE_SIZE_8KB 1266 bool "8kB" 1267 depends on EXPERIMENTAL && CPU_R8000 1268 help 1269 Using 8kB page size will result in higher performance kernel at 1270 the price of higher memory consumption. This option is available 1271 only on the R8000 processor. Not that at the time of this writing 1272 this option is still high experimental; there are also issues with 1273 compatibility of user applications. 1274 1275config PAGE_SIZE_16KB 1276 bool "16kB" 1277 depends on !CPU_R3000 && !CPU_TX39XX 1278 help 1279 Using 16kB page size will result in higher performance kernel at 1280 the price of higher memory consumption. This option is available on 1281 all non-R3000 family processors. Note that you will need a suitable 1282 Linux distribution to support this. 1283 1284config PAGE_SIZE_64KB 1285 bool "64kB" 1286 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1287 help 1288 Using 64kB page size will result in higher performance kernel at 1289 the price of higher memory consumption. This option is available on 1290 all non-R3000 family processor. Not that at the time of this 1291 writing this option is still high experimental. 1292 1293endchoice 1294 1295config BOARD_SCACHE 1296 bool 1297 1298config IP22_CPU_SCACHE 1299 bool 1300 select BOARD_SCACHE 1301 1302# 1303# Support for a MIPS32 / MIPS64 style S-caches 1304# 1305config MIPS_CPU_SCACHE 1306 bool 1307 select BOARD_SCACHE 1308 1309config R5000_CPU_SCACHE 1310 bool 1311 select BOARD_SCACHE 1312 1313config RM7000_CPU_SCACHE 1314 bool 1315 select BOARD_SCACHE 1316 1317config SIBYTE_DMA_PAGEOPS 1318 bool "Use DMA to clear/copy pages" 1319 depends on CPU_SB1 1320 help 1321 Instead of using the CPU to zero and copy pages, use a Data Mover 1322 channel. These DMA channels are otherwise unused by the standard 1323 SiByte Linux port. Seems to give a small performance benefit. 1324 1325config CPU_HAS_PREFETCH 1326 bool 1327 1328choice 1329 prompt "MIPS MT options" 1330 1331config MIPS_MT_DISABLED 1332 bool "Disable multithreading support." 1333 help 1334 Use this option if your workload can't take advantage of 1335 MIPS hardware multithreading support. On systems that don't have 1336 the option of an MT-enabled processor this option will be the only 1337 option in this menu. 1338 1339config MIPS_MT_SMP 1340 bool "Use 1 TC on each available VPE for SMP" 1341 depends on SYS_SUPPORTS_MULTITHREADING 1342 select CPU_MIPSR2_IRQ_VI 1343 select CPU_MIPSR2_IRQ_EI 1344 select CPU_MIPSR2_SRS 1345 select MIPS_MT 1346 select NR_CPUS_DEFAULT_2 1347 select SMP 1348 select SYS_SUPPORTS_SMP 1349 help 1350 This is a kernel model which is also known a VSMP or lately 1351 has been marketesed into SMVP. 1352 1353config MIPS_MT_SMTC 1354 bool "SMTC: Use all TCs on all VPEs for SMP" 1355 depends on CPU_MIPS32_R2 1356 #depends on CPU_MIPS64_R2 # once there is hardware ... 1357 depends on SYS_SUPPORTS_MULTITHREADING 1358 select CPU_MIPSR2_IRQ_VI 1359 select CPU_MIPSR2_IRQ_EI 1360 select CPU_MIPSR2_SRS 1361 select MIPS_MT 1362 select NR_CPUS_DEFAULT_8 1363 select SMP 1364 select SYS_SUPPORTS_SMP 1365 help 1366 This is a kernel model which is known a SMTC or lately has been 1367 marketesed into SMVP. 1368 1369config MIPS_VPE_LOADER 1370 bool "VPE loader support." 1371 depends on SYS_SUPPORTS_MULTITHREADING 1372 select CPU_MIPSR2_IRQ_VI 1373 select CPU_MIPSR2_IRQ_EI 1374 select CPU_MIPSR2_SRS 1375 select MIPS_MT 1376 help 1377 Includes a loader for loading an elf relocatable object 1378 onto another VPE and running it. 1379 1380endchoice 1381 1382config MIPS_MT 1383 bool 1384 1385config SYS_SUPPORTS_MULTITHREADING 1386 bool 1387 1388config MIPS_MT_FPAFF 1389 bool "Dynamic FPU affinity for FP-intensive threads" 1390 depends on MIPS_MT 1391 default y 1392 1393config MIPS_MT_SMTC_INSTANT_REPLAY 1394 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1395 depends on MIPS_MT_SMTC && !PREEMPT 1396 default y 1397 help 1398 SMTC pseudo-interrupts between TCs are deferred and queued 1399 if the target TC is interrupt-inhibited (IXMT). In the first 1400 SMTC prototypes, these queued IPIs were serviced on return 1401 to user mode, or on entry into the kernel idle loop. The 1402 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1403 processing, which adds runtime overhead (hence the option to turn 1404 it off), but ensures that IPIs are handled promptly even under 1405 heavy I/O interrupt load. 1406 1407config MIPS_MT_SMTC_IM_BACKSTOP 1408 bool "Use per-TC register bits as backstop for inhibited IM bits" 1409 depends on MIPS_MT_SMTC 1410 default y 1411 help 1412 To support multiple TC microthreads acting as "CPUs" within 1413 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1414 during interrupt handling. To support legacy drivers and interrupt 1415 controller management code, SMTC has a "backstop" to track and 1416 if necessary restore the interrupt mask. This has some performance 1417 impact on interrupt service overhead. Disable it only if you know 1418 what you are doing. 1419 1420config MIPS_VPE_LOADER_TOM 1421 bool "Load VPE program into memory hidden from linux" 1422 depends on MIPS_VPE_LOADER 1423 default y 1424 help 1425 The loader can use memory that is present but has been hidden from 1426 Linux using the kernel command line option "mem=xxMB". It's up to 1427 you to ensure the amount you put in the option and the space your 1428 program requires is less or equal to the amount physically present. 1429 1430# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1431config MIPS_VPE_APSP_API 1432 bool "Enable support for AP/SP API (RTLX)" 1433 depends on MIPS_VPE_LOADER 1434 help 1435 1436config MIPS_APSP_KSPD 1437 bool "Enable KSPD" 1438 depends on MIPS_VPE_APSP_API 1439 default y 1440 help 1441 KSPD is a kernel daemon that accepts syscall requests from the SP 1442 side, actions them and returns the results. It also handles the 1443 "exit" syscall notifying other kernel modules the SP program is 1444 exiting. You probably want to say yes here. 1445 1446config SB1_PASS_1_WORKAROUNDS 1447 bool 1448 depends on CPU_SB1_PASS_1 1449 default y 1450 1451config SB1_PASS_2_WORKAROUNDS 1452 bool 1453 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1454 default y 1455 1456config SB1_PASS_2_1_WORKAROUNDS 1457 bool 1458 depends on CPU_SB1 && CPU_SB1_PASS_2 1459 default y 1460 1461config 64BIT_PHYS_ADDR 1462 bool "Support for 64-bit physical address space" 1463 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1464 1465config CPU_HAS_LLSC 1466 bool 1467 1468config CPU_HAS_SMARTMIPS 1469 depends on SYS_SUPPORTS_SMARTMIPS 1470 bool "Support for the SmartMIPS ASE" 1471 help 1472 SmartMIPS is a extension of the MIPS32 architecture aimed at 1473 increased security at both hardware and software level for 1474 smartcards. Enabling this option will allow proper use of the 1475 SmartMIPS instructions by Linux applications. However a kernel with 1476 this option will not work on a MIPS core without SmartMIPS core. If 1477 you don't know you probably don't have SmartMIPS and should say N 1478 here. 1479 1480config CPU_HAS_WB 1481 bool 1482 1483config 64BIT_CONTEXT 1484 bool "Save 64bit integer registers" 1485 depends on 32BIT && CPU_LOONGSON2 1486 help 1487 Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 1488 registers can still be accessed as 64bit, mainly for multimedia 1489 instructions. We must have all 64bit save/restored to make sure 1490 those instructions to get correct result. 1491 1492# 1493# Vectored interrupt mode is an R2 feature 1494# 1495config CPU_MIPSR2_IRQ_VI 1496 bool 1497 1498# 1499# Extended interrupt mode is an R2 feature 1500# 1501config CPU_MIPSR2_IRQ_EI 1502 bool 1503 1504# 1505# Shadow registers are an R2 feature 1506# 1507config CPU_MIPSR2_SRS 1508 bool 1509 1510config CPU_HAS_SYNC 1511 bool 1512 depends on !CPU_R3000 1513 default y 1514 1515# 1516# Use the generic interrupt handling code in kernel/irq/: 1517# 1518config GENERIC_HARDIRQS 1519 bool 1520 default y 1521 1522config GENERIC_IRQ_PROBE 1523 bool 1524 default y 1525 1526config IRQ_PER_CPU 1527 bool 1528 1529# 1530# - Highmem only makes sense for the 32-bit kernel. 1531# - The current highmem code will only work properly on physically indexed 1532# caches such as R3000, SB1, R7000 or those that look like they're virtually 1533# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1534# moment we protect the user and offer the highmem option only on machines 1535# where it's known to be safe. This will not offer highmem on a few systems 1536# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1537# indexed CPUs but we're playing safe. 1538# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1539# know they might have memory configurations that could make use of highmem 1540# support. 1541# 1542config HIGHMEM 1543 bool "High Memory Support" 1544 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1545 1546config CPU_SUPPORTS_HIGHMEM 1547 bool 1548 1549config SYS_SUPPORTS_HIGHMEM 1550 bool 1551 1552config SYS_SUPPORTS_SMARTMIPS 1553 bool 1554 1555config ARCH_FLATMEM_ENABLE 1556 def_bool y 1557 depends on !NUMA 1558 1559config ARCH_DISCONTIGMEM_ENABLE 1560 bool 1561 default y if SGI_IP27 1562 help 1563 Say Y to support efficient handling of discontiguous physical memory, 1564 for architectures which are either NUMA (Non-Uniform Memory Access) 1565 or have huge holes in the physical address space for other reasons. 1566 See <file:Documentation/vm/numa> for more. 1567 1568config ARCH_SPARSEMEM_ENABLE 1569 bool 1570 select SPARSEMEM_STATIC 1571 1572config NUMA 1573 bool "NUMA Support" 1574 depends on SYS_SUPPORTS_NUMA 1575 help 1576 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1577 Access). This option improves performance on systems with more 1578 than two nodes; on two node systems it is generally better to 1579 leave it disabled; on single node systems disable this option 1580 disabled. 1581 1582config SYS_SUPPORTS_NUMA 1583 bool 1584 1585config NODES_SHIFT 1586 int 1587 default "6" 1588 depends on NEED_MULTIPLE_NODES 1589 1590source "mm/Kconfig" 1591 1592config SMP 1593 bool "Multi-Processing support" 1594 depends on SYS_SUPPORTS_SMP 1595 select IRQ_PER_CPU 1596 help 1597 This enables support for systems with more than one CPU. If you have 1598 a system with only one CPU, like most personal computers, say N. If 1599 you have a system with more than one CPU, say Y. 1600 1601 If you say N here, the kernel will run on single and multiprocessor 1602 machines, but will use only one CPU of a multiprocessor machine. If 1603 you say Y here, the kernel will run on many, but not all, 1604 singleprocessor machines. On a singleprocessor machine, the kernel 1605 will run faster if you say N here. 1606 1607 People using multiprocessor machines who say Y here should also say 1608 Y to "Enhanced Real Time Clock Support", below. 1609 1610 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1611 available at <http://www.tldp.org/docs.html#howto>. 1612 1613 If you don't know what to do here, say N. 1614 1615config SYS_SUPPORTS_SMP 1616 bool 1617 1618config NR_CPUS_DEFAULT_1 1619 bool 1620 1621config NR_CPUS_DEFAULT_2 1622 bool 1623 1624config NR_CPUS_DEFAULT_4 1625 bool 1626 1627config NR_CPUS_DEFAULT_8 1628 bool 1629 1630config NR_CPUS_DEFAULT_16 1631 bool 1632 1633config NR_CPUS_DEFAULT_32 1634 bool 1635 1636config NR_CPUS_DEFAULT_64 1637 bool 1638 1639config NR_CPUS 1640 int "Maximum number of CPUs (2-64)" 1641 range 1 64 if NR_CPUS_DEFAULT_1 1642 depends on SMP 1643 default "1" if NR_CPUS_DEFAULT_1 1644 default "2" if NR_CPUS_DEFAULT_2 1645 default "4" if NR_CPUS_DEFAULT_4 1646 default "8" if NR_CPUS_DEFAULT_8 1647 default "16" if NR_CPUS_DEFAULT_16 1648 default "32" if NR_CPUS_DEFAULT_32 1649 default "64" if NR_CPUS_DEFAULT_64 1650 help 1651 This allows you to specify the maximum number of CPUs which this 1652 kernel will support. The maximum supported value is 32 for 32-bit 1653 kernel and 64 for 64-bit kernels; the minimum value which makes 1654 sense is 1 for Qemu (useful only for kernel debugging purposes) 1655 and 2 for all others. 1656 1657 This is purely to save memory - each supported CPU adds 1658 approximately eight kilobytes to the kernel image. For best 1659 performance should round up your number of processors to the next 1660 power of two. 1661 1662# 1663# Timer Interrupt Frequency Configuration 1664# 1665 1666choice 1667 prompt "Timer frequency" 1668 default HZ_250 1669 help 1670 Allows the configuration of the timer frequency. 1671 1672 config HZ_48 1673 bool "48 HZ" if SYS_SUPPORTS_48HZ 1674 1675 config HZ_100 1676 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1677 1678 config HZ_128 1679 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1680 1681 config HZ_250 1682 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1683 1684 config HZ_256 1685 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1686 1687 config HZ_1000 1688 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1689 1690 config HZ_1024 1691 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1692 1693endchoice 1694 1695config SYS_SUPPORTS_48HZ 1696 bool 1697 1698config SYS_SUPPORTS_100HZ 1699 bool 1700 1701config SYS_SUPPORTS_128HZ 1702 bool 1703 1704config SYS_SUPPORTS_250HZ 1705 bool 1706 1707config SYS_SUPPORTS_256HZ 1708 bool 1709 1710config SYS_SUPPORTS_1000HZ 1711 bool 1712 1713config SYS_SUPPORTS_1024HZ 1714 bool 1715 1716config SYS_SUPPORTS_ARBIT_HZ 1717 bool 1718 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1719 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1720 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1721 !SYS_SUPPORTS_1024HZ 1722 1723config HZ 1724 int 1725 default 48 if HZ_48 1726 default 100 if HZ_100 1727 default 128 if HZ_128 1728 default 250 if HZ_250 1729 default 256 if HZ_256 1730 default 1000 if HZ_1000 1731 default 1024 if HZ_1024 1732 1733source "kernel/Kconfig.preempt" 1734 1735config MIPS_INSANE_LARGE 1736 bool "Support for large 64-bit configurations" 1737 depends on CPU_R10000 && 64BIT 1738 help 1739 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1740 previous 64-bit processors which only supported 40 bit / 1TB. If you 1741 need processes of more than 1TB virtual address space, say Y here. 1742 This will result in additional memory usage, so it is not 1743 recommended for normal users. 1744 1745config KEXEC 1746 bool "Kexec system call (EXPERIMENTAL)" 1747 depends on EXPERIMENTAL 1748 help 1749 kexec is a system call that implements the ability to shutdown your 1750 current kernel, and to start another kernel. It is like a reboot 1751 but it is independent of the system firmware. And like a reboot 1752 you can start any kernel with it, not just Linux. 1753 1754 The name comes from the similiarity to the exec system call. 1755 1756 It is an ongoing process to be certain the hardware in a machine 1757 is properly shutdown, so do not be surprised if this code does not 1758 initially work for you. It may help to enable device hotplugging 1759 support. As of this writing the exact hardware interface is 1760 strongly in flux, so no good recommendation can be made. 1761 1762config SECCOMP 1763 bool "Enable seccomp to safely compute untrusted bytecode" 1764 depends on PROC_FS && BROKEN 1765 default y 1766 help 1767 This kernel feature is useful for number crunching applications 1768 that may need to compute untrusted bytecode during their 1769 execution. By using pipes or other transports made available to 1770 the process as file descriptors supporting the read/write 1771 syscalls, it's possible to isolate those applications in 1772 their own address space using seccomp. Once seccomp is 1773 enabled via /proc/<pid>/seccomp, it cannot be disabled 1774 and the task is only allowed to execute a few safe syscalls 1775 defined by each seccomp mode. 1776 1777 If unsure, say Y. Only embedded should say N here. 1778 1779endmenu 1780 1781config RWSEM_GENERIC_SPINLOCK 1782 bool 1783 default y 1784 1785config LOCKDEP_SUPPORT 1786 bool 1787 default y 1788 1789config STACKTRACE_SUPPORT 1790 bool 1791 default y 1792 1793source "init/Kconfig" 1794 1795menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1796 1797config HW_HAS_EISA 1798 bool 1799config HW_HAS_PCI 1800 bool 1801 1802config PCI 1803 bool "Support for PCI controller" 1804 depends on HW_HAS_PCI 1805 help 1806 Find out whether you have a PCI motherboard. PCI is the name of a 1807 bus system, i.e. the way the CPU talks to the other stuff inside 1808 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1809 say Y, otherwise N. 1810 1811 The PCI-HOWTO, available from 1812 <http://www.tldp.org/docs.html#howto>, contains valuable 1813 information about which PCI hardware does work under Linux and which 1814 doesn't. 1815 1816config PCI_DOMAINS 1817 bool 1818 depends on PCI 1819 1820source "drivers/pci/Kconfig" 1821 1822# 1823# ISA support is now enabled via select. Too many systems still have the one 1824# or other ISA chip on the board that users don't know about so don't expect 1825# users to choose the right thing ... 1826# 1827config ISA 1828 bool 1829 1830config EISA 1831 bool "EISA support" 1832 depends on HW_HAS_EISA 1833 select ISA 1834 select GENERIC_ISA_DMA 1835 ---help--- 1836 The Extended Industry Standard Architecture (EISA) bus was 1837 developed as an open alternative to the IBM MicroChannel bus. 1838 1839 The EISA bus provided some of the features of the IBM MicroChannel 1840 bus while maintaining backward compatibility with cards made for 1841 the older ISA bus. The EISA bus saw limited use between 1988 and 1842 1995 when it was made obsolete by the PCI bus. 1843 1844 Say Y here if you are building a kernel for an EISA-based machine. 1845 1846 Otherwise, say N. 1847 1848source "drivers/eisa/Kconfig" 1849 1850config TC 1851 bool "TURBOchannel support" 1852 depends on MACH_DECSTATION 1853 help 1854 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 1855 processors. Documentation on writing device drivers for TurboChannel 1856 is available at: 1857 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 1858 1859#config ACCESSBUS 1860# bool "Access.Bus support" 1861# depends on TC 1862 1863config MMU 1864 bool 1865 default y 1866 1867config PCSPEAKER 1868 bool 1869 1870source "drivers/pcmcia/Kconfig" 1871 1872source "drivers/pci/hotplug/Kconfig" 1873 1874endmenu 1875 1876menu "Executable file formats" 1877 1878source "fs/Kconfig.binfmt" 1879 1880config TRAD_SIGNALS 1881 bool 1882 1883config BUILD_ELF64 1884 bool "Use 64-bit ELF format for building" 1885 depends on 64BIT 1886 help 1887 A 64-bit kernel is usually built using the 64-bit ELF binary object 1888 format as it's one that allows arbitrary 64-bit constructs. For 1889 kernels that are loaded within the KSEG compatibility segments the 1890 32-bit ELF format can optionally be used resulting in a somewhat 1891 smaller binary, but this option is not explicitly supported by the 1892 toolchain and since binutils 2.14 it does not even work at all. 1893 1894 Say Y to use the 64-bit format or N to use the 32-bit one. 1895 1896 If unsure say Y. 1897 1898config BINFMT_IRIX 1899 bool "Include IRIX binary compatibility" 1900 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 1901 1902config MIPS32_COMPAT 1903 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1904 depends on 64BIT 1905 help 1906 Select this option if you want Linux/MIPS 32-bit binary 1907 compatibility. Since all software available for Linux/MIPS is 1908 currently 32-bit you should say Y here. 1909 1910config COMPAT 1911 bool 1912 depends on MIPS32_COMPAT 1913 default y 1914 1915config SYSVIPC_COMPAT 1916 bool 1917 depends on COMPAT && SYSVIPC 1918 default y 1919 1920config MIPS32_O32 1921 bool "Kernel support for o32 binaries" 1922 depends on MIPS32_COMPAT 1923 help 1924 Select this option if you want to run o32 binaries. These are pure 1925 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 1926 existing binaries are in this format. 1927 1928 If unsure, say Y. 1929 1930config MIPS32_N32 1931 bool "Kernel support for n32 binaries" 1932 depends on MIPS32_COMPAT 1933 help 1934 Select this option if you want to run n32 binaries. These are 1935 64-bit binaries using 32-bit quantities for addressing and certain 1936 data that would normally be 64-bit. They are used in special 1937 cases. 1938 1939 If unsure, say N. 1940 1941config BINFMT_ELF32 1942 bool 1943 default y if MIPS32_O32 || MIPS32_N32 1944 1945endmenu 1946 1947menu "Power management options" 1948 1949source "kernel/power/Kconfig" 1950 1951endmenu 1952 1953source "net/Kconfig" 1954 1955source "drivers/Kconfig" 1956 1957source "fs/Kconfig" 1958 1959source "arch/mips/oprofile/Kconfig" 1960 1961source "arch/mips/Kconfig.debug" 1962 1963source "security/Kconfig" 1964 1965source "crypto/Kconfig" 1966 1967source "lib/Kconfig" 1968