1config MIPS 2 bool 3 default y 4 select HAVE_IDE 5 select HAVE_OPROFILE 6 select HAVE_ARCH_KGDB 7 # Horrible source of confusion. Die, die, die ... 8 select EMBEDDED 9 select RTC_LIB 10 11mainmenu "Linux/MIPS Kernel Configuration" 12 13menu "Machine selection" 14 15config ZONE_DMA 16 bool 17 18choice 19 prompt "System type" 20 default SGI_IP22 21 22config MACH_ALCHEMY 23 bool "Alchemy processor based machines" 24 25config AR7 26 bool "Texas Instruments AR7" 27 select BOOT_ELF32 28 select DMA_NONCOHERENT 29 select CEVT_R4K 30 select CSRC_R4K 31 select IRQ_CPU 32 select NO_EXCEPT_FILL 33 select SWAP_IO_SPACE 34 select SYS_HAS_CPU_MIPS32_R1 35 select SYS_HAS_EARLY_PRINTK 36 select SYS_SUPPORTS_32BIT_KERNEL 37 select SYS_SUPPORTS_LITTLE_ENDIAN 38 select GENERIC_GPIO 39 select GCD 40 select VLYNQ 41 help 42 Support for the Texas Instruments AR7 System-on-a-Chip 43 family: TNETD7100, 7200 and 7300. 44 45config BASLER_EXCITE 46 bool "Basler eXcite smart camera" 47 select CEVT_R4K 48 select CSRC_R4K 49 select DMA_COHERENT 50 select HW_HAS_PCI 51 select IRQ_CPU 52 select IRQ_CPU_RM7K 53 select IRQ_CPU_RM9K 54 select MIPS_RM9122 55 select SYS_HAS_CPU_RM9000 56 select SYS_SUPPORTS_32BIT_KERNEL 57 select SYS_SUPPORTS_BIG_ENDIAN 58 help 59 The eXcite is a smart camera platform manufactured by 60 Basler Vision Technologies AG. 61 62config BCM47XX 63 bool "BCM47XX based boards" 64 select CEVT_R4K 65 select CSRC_R4K 66 select DMA_NONCOHERENT 67 select HW_HAS_PCI 68 select IRQ_CPU 69 select SYS_HAS_CPU_MIPS32_R1 70 select SYS_SUPPORTS_32BIT_KERNEL 71 select SYS_SUPPORTS_LITTLE_ENDIAN 72 select SSB 73 select SSB_DRIVER_MIPS 74 select SSB_DRIVER_EXTIF 75 select SSB_EMBEDDED 76 select SSB_PCICORE_HOSTMODE if PCI 77 select GENERIC_GPIO 78 select SYS_HAS_EARLY_PRINTK 79 select CFE 80 help 81 Support for BCM47XX based boards 82 83config MIPS_COBALT 84 bool "Cobalt Server" 85 select CEVT_R4K 86 select CSRC_R4K 87 select CEVT_GT641XX 88 select DMA_NONCOHERENT 89 select HW_HAS_PCI 90 select I8253 91 select I8259 92 select IRQ_CPU 93 select IRQ_GT641XX 94 select PCI_GT64XXX_PCI0 95 select PCI 96 select SYS_HAS_CPU_NEVADA 97 select SYS_HAS_EARLY_PRINTK 98 select SYS_SUPPORTS_32BIT_KERNEL 99 select SYS_SUPPORTS_64BIT_KERNEL 100 select SYS_SUPPORTS_LITTLE_ENDIAN 101 102config MACH_DECSTATION 103 bool "DECstations" 104 select BOOT_ELF32 105 select CEVT_DS1287 106 select CEVT_R4K 107 select CSRC_IOASIC 108 select CSRC_R4K 109 select CPU_DADDI_WORKAROUNDS if 64BIT 110 select CPU_R4000_WORKAROUNDS if 64BIT 111 select CPU_R4400_WORKAROUNDS if 64BIT 112 select DMA_NONCOHERENT 113 select NO_IOPORT 114 select IRQ_CPU 115 select SYS_HAS_CPU_R3000 116 select SYS_HAS_CPU_R4X00 117 select SYS_SUPPORTS_32BIT_KERNEL 118 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 119 select SYS_SUPPORTS_LITTLE_ENDIAN 120 select SYS_SUPPORTS_128HZ 121 select SYS_SUPPORTS_256HZ 122 select SYS_SUPPORTS_1024HZ 123 help 124 This enables support for DEC's MIPS based workstations. For details 125 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 126 DECstation porting pages on <http://decstation.unix-ag.org/>. 127 128 If you have one of the following DECstation Models you definitely 129 want to choose R4xx0 for the CPU Type: 130 131 DECstation 5000/50 132 DECstation 5000/150 133 DECstation 5000/260 134 DECsystem 5900/260 135 136 otherwise choose R3000. 137 138config MACH_JAZZ 139 bool "Jazz family of machines" 140 select ARC 141 select ARC32 142 select ARCH_MAY_HAVE_PC_FDC 143 select CEVT_R4K 144 select CSRC_R4K 145 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 146 select GENERIC_ISA_DMA 147 select IRQ_CPU 148 select I8253 149 select I8259 150 select ISA 151 select SYS_HAS_CPU_R4X00 152 select SYS_SUPPORTS_32BIT_KERNEL 153 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 154 select SYS_SUPPORTS_100HZ 155 help 156 This a family of machines based on the MIPS R4030 chipset which was 157 used by several vendors to build RISC/os and Windows NT workstations. 158 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 159 Olivetti M700-10 workstations. 160 161config LASAT 162 bool "LASAT Networks platforms" 163 select CEVT_R4K 164 select CSRC_R4K 165 select DMA_NONCOHERENT 166 select SYS_HAS_EARLY_PRINTK 167 select HW_HAS_PCI 168 select IRQ_CPU 169 select PCI_GT64XXX_PCI0 170 select MIPS_NILE4 171 select R5000_CPU_SCACHE 172 select SYS_HAS_CPU_R5000 173 select SYS_SUPPORTS_32BIT_KERNEL 174 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 175 select SYS_SUPPORTS_LITTLE_ENDIAN 176 177config LEMOTE_FULONG 178 bool "Lemote Fulong mini-PC" 179 select ARCH_SPARSEMEM_ENABLE 180 select CEVT_R4K 181 select CSRC_R4K 182 select SYS_HAS_CPU_LOONGSON2 183 select DMA_NONCOHERENT 184 select BOOT_ELF32 185 select BOARD_SCACHE 186 select HAVE_STD_PC_SERIAL_PORT 187 select HW_HAS_PCI 188 select I8259 189 select ISA 190 select IRQ_CPU 191 select SYS_SUPPORTS_32BIT_KERNEL 192 select SYS_SUPPORTS_64BIT_KERNEL 193 select SYS_SUPPORTS_LITTLE_ENDIAN 194 select SYS_SUPPORTS_HIGHMEM 195 select SYS_HAS_EARLY_PRINTK 196 select GENERIC_ISA_DMA_SUPPORT_BROKEN 197 select CPU_HAS_WB 198 help 199 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 200 an FPGA northbridge 201 202config MIPS_MALTA 203 bool "MIPS Malta board" 204 select ARCH_MAY_HAVE_PC_FDC 205 select BOOT_ELF32 206 select BOOT_RAW 207 select CEVT_R4K 208 select CSRC_R4K 209 select DMA_NONCOHERENT 210 select GENERIC_ISA_DMA 211 select IRQ_CPU 212 select IRQ_GIC 213 select HW_HAS_PCI 214 select I8253 215 select I8259 216 select MIPS_BOARDS_GEN 217 select MIPS_BONITO64 218 select MIPS_CPU_SCACHE 219 select PCI_GT64XXX_PCI0 220 select MIPS_MSC 221 select SWAP_IO_SPACE 222 select SYS_HAS_CPU_MIPS32_R1 223 select SYS_HAS_CPU_MIPS32_R2 224 select SYS_HAS_CPU_MIPS64_R1 225 select SYS_HAS_CPU_NEVADA 226 select SYS_HAS_CPU_RM7000 227 select SYS_HAS_EARLY_PRINTK 228 select SYS_SUPPORTS_32BIT_KERNEL 229 select SYS_SUPPORTS_64BIT_KERNEL 230 select SYS_SUPPORTS_BIG_ENDIAN 231 select SYS_SUPPORTS_LITTLE_ENDIAN 232 select SYS_SUPPORTS_MIPS_CMP 233 select SYS_SUPPORTS_MULTITHREADING 234 select SYS_SUPPORTS_SMARTMIPS 235 help 236 This enables support for the MIPS Technologies Malta evaluation 237 board. 238 239config MIPS_SIM 240 bool 'MIPS simulator (MIPSsim)' 241 select CEVT_R4K 242 select CSRC_R4K 243 select DMA_NONCOHERENT 244 select SYS_HAS_EARLY_PRINTK 245 select IRQ_CPU 246 select BOOT_RAW 247 select SYS_HAS_CPU_MIPS32_R1 248 select SYS_HAS_CPU_MIPS32_R2 249 select SYS_HAS_EARLY_PRINTK 250 select SYS_SUPPORTS_32BIT_KERNEL 251 select SYS_SUPPORTS_BIG_ENDIAN 252 select SYS_SUPPORTS_MULTITHREADING 253 select SYS_SUPPORTS_LITTLE_ENDIAN 254 help 255 This option enables support for MIPS Technologies MIPSsim software 256 emulator. 257 258config NEC_MARKEINS 259 bool "NEC EMMA2RH Mark-eins board" 260 select SOC_EMMA2RH 261 select HW_HAS_PCI 262 help 263 This enables support for the NEC Electronics Mark-eins boards. 264 265config MACH_VR41XX 266 bool "NEC VR4100 series based machines" 267 select CEVT_R4K 268 select CSRC_R4K 269 select SYS_HAS_CPU_VR41XX 270 select ARCH_REQUIRE_GPIOLIB 271 272config NXP_STB220 273 bool "NXP STB220 board" 274 select SOC_PNX833X 275 help 276 Support for NXP Semiconductors STB220 Development Board. 277 278config NXP_STB225 279 bool "NXP 225 board" 280 select SOC_PNX833X 281 select SOC_PNX8335 282 help 283 Support for NXP Semiconductors STB225 Development Board. 284 285config PNX8550_JBS 286 bool "NXP PNX8550 based JBS board" 287 select PNX8550 288 select SYS_SUPPORTS_LITTLE_ENDIAN 289 290config PNX8550_STB810 291 bool "NXP PNX8550 based STB810 board" 292 select PNX8550 293 select SYS_SUPPORTS_LITTLE_ENDIAN 294 295config PMC_MSP 296 bool "PMC-Sierra MSP chipsets" 297 depends on EXPERIMENTAL 298 select DMA_NONCOHERENT 299 select SWAP_IO_SPACE 300 select NO_EXCEPT_FILL 301 select BOOT_RAW 302 select SYS_HAS_CPU_MIPS32_R1 303 select SYS_HAS_CPU_MIPS32_R2 304 select SYS_SUPPORTS_32BIT_KERNEL 305 select SYS_SUPPORTS_BIG_ENDIAN 306 select IRQ_CPU 307 select SERIAL_8250 308 select SERIAL_8250_CONSOLE 309 help 310 This adds support for the PMC-Sierra family of Multi-Service 311 Processor System-On-A-Chips. These parts include a number 312 of integrated peripherals, interfaces and DSPs in addition to 313 a variety of MIPS cores. 314 315config PMC_YOSEMITE 316 bool "PMC-Sierra Yosemite eval board" 317 select CEVT_R4K 318 select CSRC_R4K 319 select DMA_COHERENT 320 select HW_HAS_PCI 321 select IRQ_CPU 322 select IRQ_CPU_RM7K 323 select IRQ_CPU_RM9K 324 select SWAP_IO_SPACE 325 select SYS_HAS_CPU_RM9000 326 select SYS_HAS_EARLY_PRINTK 327 select SYS_SUPPORTS_32BIT_KERNEL 328 select SYS_SUPPORTS_64BIT_KERNEL 329 select SYS_SUPPORTS_BIG_ENDIAN 330 select SYS_SUPPORTS_HIGHMEM 331 select SYS_SUPPORTS_SMP 332 help 333 Yosemite is an evaluation board for the RM9000x2 processor 334 manufactured by PMC-Sierra. 335 336config SGI_IP22 337 bool "SGI IP22 (Indy/Indigo2)" 338 select ARC 339 select ARC32 340 select BOOT_ELF32 341 select CEVT_R4K 342 select CSRC_R4K 343 select DEFAULT_SGI_PARTITION 344 select DMA_NONCOHERENT 345 select HW_HAS_EISA 346 select I8253 347 select I8259 348 select IP22_CPU_SCACHE 349 select IRQ_CPU 350 select GENERIC_ISA_DMA_SUPPORT_BROKEN 351 select SGI_HAS_I8042 352 select SGI_HAS_INDYDOG 353 select SGI_HAS_HAL2 354 select SGI_HAS_SEEQ 355 select SGI_HAS_WD93 356 select SGI_HAS_ZILOG 357 select SWAP_IO_SPACE 358 select SYS_HAS_CPU_R4X00 359 select SYS_HAS_CPU_R5000 360 select SYS_HAS_EARLY_PRINTK 361 select SYS_SUPPORTS_32BIT_KERNEL 362 select SYS_SUPPORTS_64BIT_KERNEL 363 select SYS_SUPPORTS_BIG_ENDIAN 364 help 365 This are the SGI Indy, Challenge S and Indigo2, as well as certain 366 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 367 that runs on these, say Y here. 368 369config SGI_IP27 370 bool "SGI IP27 (Origin200/2000)" 371 select ARC 372 select ARC64 373 select BOOT_ELF64 374 select DEFAULT_SGI_PARTITION 375 select DMA_COHERENT 376 select SYS_HAS_EARLY_PRINTK 377 select HW_HAS_PCI 378 select NR_CPUS_DEFAULT_64 379 select SYS_HAS_CPU_R10000 380 select SYS_SUPPORTS_64BIT_KERNEL 381 select SYS_SUPPORTS_BIG_ENDIAN 382 select SYS_SUPPORTS_NUMA 383 select SYS_SUPPORTS_SMP 384 help 385 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 386 workstations. To compile a Linux kernel that runs on these, say Y 387 here. 388 389config SGI_IP28 390 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 391 depends on EXPERIMENTAL 392 select ARC 393 select ARC64 394 select BOOT_ELF64 395 select CEVT_R4K 396 select CSRC_R4K 397 select DEFAULT_SGI_PARTITION 398 select DMA_NONCOHERENT 399 select GENERIC_ISA_DMA_SUPPORT_BROKEN 400 select IRQ_CPU 401 select HW_HAS_EISA 402 select I8253 403 select I8259 404 select SGI_HAS_I8042 405 select SGI_HAS_INDYDOG 406 select SGI_HAS_HAL2 407 select SGI_HAS_SEEQ 408 select SGI_HAS_WD93 409 select SGI_HAS_ZILOG 410 select SWAP_IO_SPACE 411 select SYS_HAS_CPU_R10000 412 select SYS_HAS_EARLY_PRINTK 413 select SYS_SUPPORTS_64BIT_KERNEL 414 select SYS_SUPPORTS_BIG_ENDIAN 415 help 416 This is the SGI Indigo2 with R10000 processor. To compile a Linux 417 kernel that runs on these, say Y here. 418 419config SGI_IP32 420 bool "SGI IP32 (O2)" 421 select ARC 422 select ARC32 423 select BOOT_ELF32 424 select CEVT_R4K 425 select CSRC_R4K 426 select DMA_NONCOHERENT 427 select HW_HAS_PCI 428 select IRQ_CPU 429 select R5000_CPU_SCACHE 430 select RM7000_CPU_SCACHE 431 select SYS_HAS_CPU_R5000 432 select SYS_HAS_CPU_R10000 if BROKEN 433 select SYS_HAS_CPU_RM7000 434 select SYS_HAS_CPU_NEVADA 435 select SYS_SUPPORTS_64BIT_KERNEL 436 select SYS_SUPPORTS_BIG_ENDIAN 437 help 438 If you want this kernel to run on SGI O2 workstation, say Y here. 439 440config SIBYTE_CRHINE 441 bool "Sibyte BCM91120C-CRhine" 442 depends on EXPERIMENTAL 443 select BOOT_ELF32 444 select DMA_COHERENT 445 select SIBYTE_BCM1120 446 select SWAP_IO_SPACE 447 select SYS_HAS_CPU_SB1 448 select SYS_SUPPORTS_BIG_ENDIAN 449 select SYS_SUPPORTS_LITTLE_ENDIAN 450 451config SIBYTE_CARMEL 452 bool "Sibyte BCM91120x-Carmel" 453 depends on EXPERIMENTAL 454 select BOOT_ELF32 455 select DMA_COHERENT 456 select SIBYTE_BCM1120 457 select SWAP_IO_SPACE 458 select SYS_HAS_CPU_SB1 459 select SYS_SUPPORTS_BIG_ENDIAN 460 select SYS_SUPPORTS_LITTLE_ENDIAN 461 462config SIBYTE_CRHONE 463 bool "Sibyte BCM91125C-CRhone" 464 depends on EXPERIMENTAL 465 select BOOT_ELF32 466 select DMA_COHERENT 467 select SIBYTE_BCM1125 468 select SWAP_IO_SPACE 469 select SYS_HAS_CPU_SB1 470 select SYS_SUPPORTS_BIG_ENDIAN 471 select SYS_SUPPORTS_HIGHMEM 472 select SYS_SUPPORTS_LITTLE_ENDIAN 473 474config SIBYTE_RHONE 475 bool "Sibyte BCM91125E-Rhone" 476 depends on EXPERIMENTAL 477 select BOOT_ELF32 478 select DMA_COHERENT 479 select SIBYTE_BCM1125H 480 select SWAP_IO_SPACE 481 select SYS_HAS_CPU_SB1 482 select SYS_SUPPORTS_BIG_ENDIAN 483 select SYS_SUPPORTS_LITTLE_ENDIAN 484 485config SIBYTE_SWARM 486 bool "Sibyte BCM91250A-SWARM" 487 select BOOT_ELF32 488 select DMA_COHERENT 489 select NR_CPUS_DEFAULT_2 490 select SIBYTE_SB1250 491 select SWAP_IO_SPACE 492 select SYS_HAS_CPU_SB1 493 select SYS_SUPPORTS_BIG_ENDIAN 494 select SYS_SUPPORTS_HIGHMEM 495 select SYS_SUPPORTS_LITTLE_ENDIAN 496 select ZONE_DMA32 if 64BIT 497 498config SIBYTE_LITTLESUR 499 bool "Sibyte BCM91250C2-LittleSur" 500 depends on EXPERIMENTAL 501 select BOOT_ELF32 502 select DMA_COHERENT 503 select NR_CPUS_DEFAULT_2 504 select SIBYTE_SB1250 505 select SWAP_IO_SPACE 506 select SYS_HAS_CPU_SB1 507 select SYS_SUPPORTS_BIG_ENDIAN 508 select SYS_SUPPORTS_HIGHMEM 509 select SYS_SUPPORTS_LITTLE_ENDIAN 510 511config SIBYTE_SENTOSA 512 bool "Sibyte BCM91250E-Sentosa" 513 depends on EXPERIMENTAL 514 select BOOT_ELF32 515 select DMA_COHERENT 516 select NR_CPUS_DEFAULT_2 517 select SIBYTE_SB1250 518 select SWAP_IO_SPACE 519 select SYS_HAS_CPU_SB1 520 select SYS_SUPPORTS_BIG_ENDIAN 521 select SYS_SUPPORTS_LITTLE_ENDIAN 522 523config SIBYTE_BIGSUR 524 bool "Sibyte BCM91480B-BigSur" 525 select BOOT_ELF32 526 select DMA_COHERENT 527 select NR_CPUS_DEFAULT_4 528 select SIBYTE_BCM1x80 529 select SWAP_IO_SPACE 530 select SYS_HAS_CPU_SB1 531 select SYS_SUPPORTS_BIG_ENDIAN 532 select SYS_SUPPORTS_HIGHMEM 533 select SYS_SUPPORTS_LITTLE_ENDIAN 534 select ZONE_DMA32 if 64BIT 535 536config SNI_RM 537 bool "SNI RM200/300/400" 538 select ARC if CPU_LITTLE_ENDIAN 539 select ARC32 if CPU_LITTLE_ENDIAN 540 select SNIPROM if CPU_BIG_ENDIAN 541 select ARCH_MAY_HAVE_PC_FDC 542 select BOOT_ELF32 543 select CEVT_R4K 544 select CSRC_R4K 545 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 546 select DMA_NONCOHERENT 547 select GENERIC_ISA_DMA 548 select HW_HAS_EISA 549 select HW_HAS_PCI 550 select IRQ_CPU 551 select I8253 552 select I8259 553 select ISA 554 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 555 select SYS_HAS_CPU_R4X00 556 select SYS_HAS_CPU_R5000 557 select SYS_HAS_CPU_R10000 558 select R5000_CPU_SCACHE 559 select SYS_HAS_EARLY_PRINTK 560 select SYS_SUPPORTS_32BIT_KERNEL 561 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 562 select SYS_SUPPORTS_BIG_ENDIAN 563 select SYS_SUPPORTS_HIGHMEM 564 select SYS_SUPPORTS_LITTLE_ENDIAN 565 help 566 The SNI RM200/300/400 are MIPS-based machines manufactured by 567 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 568 Technology and now in turn merged with Fujitsu. Say Y here to 569 support this machine type. 570 571config MACH_TX39XX 572 bool "Toshiba TX39 series based machines" 573 574config MACH_TX49XX 575 bool "Toshiba TX49 series based machines" 576 577config MIKROTIK_RB532 578 bool "Mikrotik RB532 boards" 579 select CEVT_R4K 580 select CSRC_R4K 581 select DMA_NONCOHERENT 582 select HW_HAS_PCI 583 select IRQ_CPU 584 select SYS_HAS_CPU_MIPS32_R1 585 select SYS_SUPPORTS_32BIT_KERNEL 586 select SYS_SUPPORTS_LITTLE_ENDIAN 587 select SWAP_IO_SPACE 588 select BOOT_RAW 589 select ARCH_REQUIRE_GPIOLIB 590 help 591 Support the Mikrotik(tm) RouterBoard 532 series, 592 based on the IDT RC32434 SoC. 593 594config WR_PPMC 595 bool "Wind River PPMC board" 596 select CEVT_R4K 597 select CSRC_R4K 598 select IRQ_CPU 599 select BOOT_ELF32 600 select DMA_NONCOHERENT 601 select HW_HAS_PCI 602 select PCI_GT64XXX_PCI0 603 select SWAP_IO_SPACE 604 select SYS_HAS_CPU_MIPS32_R1 605 select SYS_HAS_CPU_MIPS32_R2 606 select SYS_HAS_CPU_MIPS64_R1 607 select SYS_HAS_CPU_NEVADA 608 select SYS_HAS_CPU_RM7000 609 select SYS_SUPPORTS_32BIT_KERNEL 610 select SYS_SUPPORTS_64BIT_KERNEL 611 select SYS_SUPPORTS_BIG_ENDIAN 612 select SYS_SUPPORTS_LITTLE_ENDIAN 613 help 614 This enables support for the Wind River MIPS32 4KC PPMC evaluation 615 board, which is based on GT64120 bridge chip. 616 617config CAVIUM_OCTEON_SIMULATOR 618 bool "Cavium Networks Octeon Simulator" 619 select CEVT_R4K 620 select 64BIT_PHYS_ADDR 621 select DMA_COHERENT 622 select SYS_SUPPORTS_64BIT_KERNEL 623 select SYS_SUPPORTS_BIG_ENDIAN 624 select SYS_SUPPORTS_HIGHMEM 625 select SYS_SUPPORTS_HOTPLUG_CPU 626 select SYS_HAS_CPU_CAVIUM_OCTEON 627 help 628 The Octeon simulator is software performance model of the Cavium 629 Octeon Processor. It supports simulating Octeon processors on x86 630 hardware. 631 632config CAVIUM_OCTEON_REFERENCE_BOARD 633 bool "Cavium Networks Octeon reference board" 634 select CEVT_R4K 635 select 64BIT_PHYS_ADDR 636 select DMA_COHERENT 637 select SYS_SUPPORTS_64BIT_KERNEL 638 select SYS_SUPPORTS_BIG_ENDIAN 639 select SYS_SUPPORTS_HIGHMEM 640 select SYS_SUPPORTS_HOTPLUG_CPU 641 select SYS_HAS_EARLY_PRINTK 642 select SYS_HAS_CPU_CAVIUM_OCTEON 643 select SWAP_IO_SPACE 644 select HW_HAS_PCI 645 select ARCH_SUPPORTS_MSI 646 help 647 This option supports all of the Octeon reference boards from Cavium 648 Networks. It builds a kernel that dynamically determines the Octeon 649 CPU type and supports all known board reference implementations. 650 Some of the supported boards are: 651 EBT3000 652 EBH3000 653 EBH3100 654 Thunder 655 Kodama 656 Hikari 657 Say Y here for most Octeon reference boards. 658 659endchoice 660 661source "arch/mips/alchemy/Kconfig" 662source "arch/mips/basler/excite/Kconfig" 663source "arch/mips/jazz/Kconfig" 664source "arch/mips/lasat/Kconfig" 665source "arch/mips/pmc-sierra/Kconfig" 666source "arch/mips/sgi-ip27/Kconfig" 667source "arch/mips/sibyte/Kconfig" 668source "arch/mips/txx9/Kconfig" 669source "arch/mips/vr41xx/Kconfig" 670source "arch/mips/cavium-octeon/Kconfig" 671 672endmenu 673 674config RWSEM_GENERIC_SPINLOCK 675 bool 676 default y 677 678config RWSEM_XCHGADD_ALGORITHM 679 bool 680 681config ARCH_HAS_ILOG2_U32 682 bool 683 default n 684 685config ARCH_HAS_ILOG2_U64 686 bool 687 default n 688 689config ARCH_SUPPORTS_OPROFILE 690 bool 691 default y if !MIPS_MT_SMTC 692 693config GENERIC_FIND_NEXT_BIT 694 bool 695 default y 696 697config GENERIC_HWEIGHT 698 bool 699 default y 700 701config GENERIC_CALIBRATE_DELAY 702 bool 703 default y 704 705config GENERIC_CLOCKEVENTS 706 bool 707 default y 708 709config GENERIC_TIME 710 bool 711 default y 712 713config GENERIC_CMOS_UPDATE 714 bool 715 default y 716 717config SCHED_OMIT_FRAME_POINTER 718 bool 719 default y 720 721config GENERIC_HARDIRQS_NO__DO_IRQ 722 def_bool y 723 724# 725# Select some configuration options automatically based on user selections. 726# 727config ARC 728 bool 729 730config ARCH_MAY_HAVE_PC_FDC 731 bool 732 733config BOOT_RAW 734 bool 735 736config CEVT_BCM1480 737 bool 738 739config CEVT_DS1287 740 bool 741 742config CEVT_GT641XX 743 bool 744 745config CEVT_R4K_LIB 746 bool 747 748config CEVT_R4K 749 select CEVT_R4K_LIB 750 bool 751 752config CEVT_SB1250 753 bool 754 755config CEVT_TXX9 756 bool 757 758config CSRC_BCM1480 759 bool 760 761config CSRC_IOASIC 762 bool 763 764config CSRC_R4K_LIB 765 bool 766 767config CSRC_R4K 768 select CSRC_R4K_LIB 769 bool 770 771config CSRC_SB1250 772 bool 773 774config GPIO_TXX9 775 select GENERIC_GPIO 776 select ARCH_REQUIRE_GPIOLIB 777 bool 778 779config CFE 780 bool 781 782config DMA_COHERENT 783 bool 784 785config DMA_NONCOHERENT 786 bool 787 select DMA_NEED_PCI_MAP_STATE 788 789config DMA_NEED_PCI_MAP_STATE 790 bool 791 792config EARLY_PRINTK 793 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 794 depends on SYS_HAS_EARLY_PRINTK 795 default y 796 help 797 This option enables special console drivers which allow the kernel 798 to print messages very early in the bootup process. 799 800 This is useful for kernel debugging when your machine crashes very 801 early before the console code is initialized. For normal operation, 802 it is not recommended because it looks ugly on some machines and 803 doesn't cooperate with an X server. You should normally say N here, 804 unless you want to debug such a crash. 805 806config SYS_HAS_EARLY_PRINTK 807 bool 808 809config HOTPLUG_CPU 810 bool "Support for hot-pluggable CPUs" 811 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 812 help 813 Say Y here to allow turning CPUs off and on. CPUs can be 814 controlled through /sys/devices/system/cpu. 815 (Note: power management support will enable this option 816 automatically on SMP systems. ) 817 Say N if you want to disable CPU hotplug. 818 819config SYS_SUPPORTS_HOTPLUG_CPU 820 bool 821 822config I8259 823 bool 824 825config MIPS_BONITO64 826 bool 827 828config MIPS_MSC 829 bool 830 831config MIPS_NILE4 832 bool 833 834config MIPS_DISABLE_OBSOLETE_IDE 835 bool 836 837config SYNC_R4K 838 bool 839 840config NO_IOPORT 841 def_bool n 842 843config GENERIC_ISA_DMA 844 bool 845 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 846 847config GENERIC_ISA_DMA_SUPPORT_BROKEN 848 bool 849 select GENERIC_ISA_DMA 850 851config GENERIC_GPIO 852 bool 853 854# 855# Endianess selection. Sufficiently obscure so many users don't know what to 856# answer,so we try hard to limit the available choices. Also the use of a 857# choice statement should be more obvious to the user. 858# 859choice 860 prompt "Endianess selection" 861 help 862 Some MIPS machines can be configured for either little or big endian 863 byte order. These modes require different kernels and a different 864 Linux distribution. In general there is one preferred byteorder for a 865 particular system but some systems are just as commonly used in the 866 one or the other endianness. 867 868config CPU_BIG_ENDIAN 869 bool "Big endian" 870 depends on SYS_SUPPORTS_BIG_ENDIAN 871 872config CPU_LITTLE_ENDIAN 873 bool "Little endian" 874 depends on SYS_SUPPORTS_LITTLE_ENDIAN 875 help 876 877endchoice 878 879config SYS_SUPPORTS_APM_EMULATION 880 bool 881 882config SYS_SUPPORTS_BIG_ENDIAN 883 bool 884 885config SYS_SUPPORTS_LITTLE_ENDIAN 886 bool 887 888config SYS_SUPPORTS_HUGETLBFS 889 bool 890 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 891 default y 892 893config IRQ_CPU 894 bool 895 896config IRQ_CPU_RM7K 897 bool 898 899config IRQ_CPU_RM9K 900 bool 901 902config IRQ_MSP_SLP 903 bool 904 905config IRQ_MSP_CIC 906 bool 907 908config IRQ_TXX9 909 bool 910 911config IRQ_GT641XX 912 bool 913 914config IRQ_GIC 915 bool 916 917config IRQ_CPU_OCTEON 918 bool 919 920config MIPS_BOARDS_GEN 921 bool 922 923config PCI_GT64XXX_PCI0 924 bool 925 926config NO_EXCEPT_FILL 927 bool 928 929config MIPS_RM9122 930 bool 931 select SERIAL_RM9000 932 933config SOC_EMMA2RH 934 bool 935 select CEVT_R4K 936 select CSRC_R4K 937 select DMA_NONCOHERENT 938 select IRQ_CPU 939 select SWAP_IO_SPACE 940 select SYS_HAS_CPU_R5500 941 select SYS_SUPPORTS_32BIT_KERNEL 942 select SYS_SUPPORTS_64BIT_KERNEL 943 select SYS_SUPPORTS_BIG_ENDIAN 944 945config SOC_PNX833X 946 bool 947 select CEVT_R4K 948 select CSRC_R4K 949 select IRQ_CPU 950 select DMA_NONCOHERENT 951 select SYS_HAS_CPU_MIPS32_R2 952 select SYS_SUPPORTS_32BIT_KERNEL 953 select SYS_SUPPORTS_LITTLE_ENDIAN 954 select SYS_SUPPORTS_BIG_ENDIAN 955 select GENERIC_GPIO 956 select CPU_MIPSR2_IRQ_VI 957 958config SOC_PNX8335 959 bool 960 select SOC_PNX833X 961 962config PNX8550 963 bool 964 select SOC_PNX8550 965 966config SOC_PNX8550 967 bool 968 select DMA_NONCOHERENT 969 select HW_HAS_PCI 970 select SYS_HAS_CPU_MIPS32_R1 971 select SYS_HAS_EARLY_PRINTK 972 select SYS_SUPPORTS_32BIT_KERNEL 973 select GENERIC_GPIO 974 975config SWAP_IO_SPACE 976 bool 977 978config SERIAL_RM9000 979 bool 980 981config SGI_HAS_INDYDOG 982 bool 983 984config SGI_HAS_HAL2 985 bool 986 987config SGI_HAS_SEEQ 988 bool 989 990config SGI_HAS_WD93 991 bool 992 993config SGI_HAS_ZILOG 994 bool 995 996config SGI_HAS_I8042 997 bool 998 999config DEFAULT_SGI_PARTITION 1000 bool 1001 1002config ARC32 1003 bool 1004 1005config SNIPROM 1006 bool 1007 1008config BOOT_ELF32 1009 bool 1010 1011config MIPS_L1_CACHE_SHIFT 1012 int 1013 default "4" if MACH_DECSTATION || MIKROTIK_RB532 1014 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1015 default "4" if PMC_MSP4200_EVAL 1016 default "5" 1017 1018config HAVE_STD_PC_SERIAL_PORT 1019 bool 1020 1021config ARC_CONSOLE 1022 bool "ARC console support" 1023 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1024 1025config ARC_MEMORY 1026 bool 1027 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1028 default y 1029 1030config ARC_PROMLIB 1031 bool 1032 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1033 default y 1034 1035config ARC64 1036 bool 1037 1038config BOOT_ELF64 1039 bool 1040 1041menu "CPU selection" 1042 1043choice 1044 prompt "CPU type" 1045 default CPU_R4X00 1046 1047config CPU_LOONGSON2 1048 bool "Loongson 2" 1049 depends on SYS_HAS_CPU_LOONGSON2 1050 select CPU_SUPPORTS_32BIT_KERNEL 1051 select CPU_SUPPORTS_64BIT_KERNEL 1052 select CPU_SUPPORTS_HIGHMEM 1053 help 1054 The Loongson 2E processor implements the MIPS III instruction set 1055 with many extensions. 1056 1057config CPU_MIPS32_R1 1058 bool "MIPS32 Release 1" 1059 depends on SYS_HAS_CPU_MIPS32_R1 1060 select CPU_HAS_LLSC 1061 select CPU_HAS_PREFETCH 1062 select CPU_SUPPORTS_32BIT_KERNEL 1063 select CPU_SUPPORTS_HIGHMEM 1064 help 1065 Choose this option to build a kernel for release 1 or later of the 1066 MIPS32 architecture. Most modern embedded systems with a 32-bit 1067 MIPS processor are based on a MIPS32 processor. If you know the 1068 specific type of processor in your system, choose those that one 1069 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1070 Release 2 of the MIPS32 architecture is available since several 1071 years so chances are you even have a MIPS32 Release 2 processor 1072 in which case you should choose CPU_MIPS32_R2 instead for better 1073 performance. 1074 1075config CPU_MIPS32_R2 1076 bool "MIPS32 Release 2" 1077 depends on SYS_HAS_CPU_MIPS32_R2 1078 select CPU_HAS_LLSC 1079 select CPU_HAS_PREFETCH 1080 select CPU_SUPPORTS_32BIT_KERNEL 1081 select CPU_SUPPORTS_HIGHMEM 1082 help 1083 Choose this option to build a kernel for release 2 or later of the 1084 MIPS32 architecture. Most modern embedded systems with a 32-bit 1085 MIPS processor are based on a MIPS32 processor. If you know the 1086 specific type of processor in your system, choose those that one 1087 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1088 1089config CPU_MIPS64_R1 1090 bool "MIPS64 Release 1" 1091 depends on SYS_HAS_CPU_MIPS64_R1 1092 select CPU_HAS_LLSC 1093 select CPU_HAS_PREFETCH 1094 select CPU_SUPPORTS_32BIT_KERNEL 1095 select CPU_SUPPORTS_64BIT_KERNEL 1096 select CPU_SUPPORTS_HIGHMEM 1097 select CPU_SUPPORTS_HUGEPAGES 1098 help 1099 Choose this option to build a kernel for release 1 or later of the 1100 MIPS64 architecture. Many modern embedded systems with a 64-bit 1101 MIPS processor are based on a MIPS64 processor. If you know the 1102 specific type of processor in your system, choose those that one 1103 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1104 Release 2 of the MIPS64 architecture is available since several 1105 years so chances are you even have a MIPS64 Release 2 processor 1106 in which case you should choose CPU_MIPS64_R2 instead for better 1107 performance. 1108 1109config CPU_MIPS64_R2 1110 bool "MIPS64 Release 2" 1111 depends on SYS_HAS_CPU_MIPS64_R2 1112 select CPU_HAS_LLSC 1113 select CPU_HAS_PREFETCH 1114 select CPU_SUPPORTS_32BIT_KERNEL 1115 select CPU_SUPPORTS_64BIT_KERNEL 1116 select CPU_SUPPORTS_HIGHMEM 1117 select CPU_SUPPORTS_HUGEPAGES 1118 help 1119 Choose this option to build a kernel for release 2 or later of the 1120 MIPS64 architecture. Many modern embedded systems with a 64-bit 1121 MIPS processor are based on a MIPS64 processor. If you know the 1122 specific type of processor in your system, choose those that one 1123 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1124 1125config CPU_R3000 1126 bool "R3000" 1127 depends on SYS_HAS_CPU_R3000 1128 select CPU_HAS_WB 1129 select CPU_SUPPORTS_32BIT_KERNEL 1130 select CPU_SUPPORTS_HIGHMEM 1131 help 1132 Please make sure to pick the right CPU type. Linux/MIPS is not 1133 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1134 *not* work on R4000 machines and vice versa. However, since most 1135 of the supported machines have an R4000 (or similar) CPU, R4x00 1136 might be a safe bet. If the resulting kernel does not work, 1137 try to recompile with R3000. 1138 1139config CPU_TX39XX 1140 bool "R39XX" 1141 depends on SYS_HAS_CPU_TX39XX 1142 select CPU_SUPPORTS_32BIT_KERNEL 1143 1144config CPU_VR41XX 1145 bool "R41xx" 1146 depends on SYS_HAS_CPU_VR41XX 1147 select CPU_SUPPORTS_32BIT_KERNEL 1148 select CPU_SUPPORTS_64BIT_KERNEL 1149 help 1150 The options selects support for the NEC VR4100 series of processors. 1151 Only choose this option if you have one of these processors as a 1152 kernel built with this option will not run on any other type of 1153 processor or vice versa. 1154 1155config CPU_R4300 1156 bool "R4300" 1157 depends on SYS_HAS_CPU_R4300 1158 select CPU_HAS_LLSC 1159 select CPU_SUPPORTS_32BIT_KERNEL 1160 select CPU_SUPPORTS_64BIT_KERNEL 1161 help 1162 MIPS Technologies R4300-series processors. 1163 1164config CPU_R4X00 1165 bool "R4x00" 1166 depends on SYS_HAS_CPU_R4X00 1167 select CPU_HAS_LLSC 1168 select CPU_SUPPORTS_32BIT_KERNEL 1169 select CPU_SUPPORTS_64BIT_KERNEL 1170 help 1171 MIPS Technologies R4000-series processors other than 4300, including 1172 the R4000, R4400, R4600, and 4700. 1173 1174config CPU_TX49XX 1175 bool "R49XX" 1176 depends on SYS_HAS_CPU_TX49XX 1177 select CPU_HAS_LLSC 1178 select CPU_HAS_PREFETCH 1179 select CPU_SUPPORTS_32BIT_KERNEL 1180 select CPU_SUPPORTS_64BIT_KERNEL 1181 1182config CPU_R5000 1183 bool "R5000" 1184 depends on SYS_HAS_CPU_R5000 1185 select CPU_HAS_LLSC 1186 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_64BIT_KERNEL 1188 help 1189 MIPS Technologies R5000-series processors other than the Nevada. 1190 1191config CPU_R5432 1192 bool "R5432" 1193 depends on SYS_HAS_CPU_R5432 1194 select CPU_HAS_LLSC 1195 select CPU_SUPPORTS_32BIT_KERNEL 1196 select CPU_SUPPORTS_64BIT_KERNEL 1197 1198config CPU_R5500 1199 bool "R5500" 1200 depends on SYS_HAS_CPU_R5500 1201 select CPU_HAS_LLSC 1202 select CPU_SUPPORTS_32BIT_KERNEL 1203 select CPU_SUPPORTS_64BIT_KERNEL 1204 select CPU_SUPPORTS_HUGEPAGES 1205 help 1206 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1207 instruction set. 1208 1209config CPU_R6000 1210 bool "R6000" 1211 depends on EXPERIMENTAL 1212 select CPU_HAS_LLSC 1213 depends on SYS_HAS_CPU_R6000 1214 select CPU_SUPPORTS_32BIT_KERNEL 1215 help 1216 MIPS Technologies R6000 and R6000A series processors. Note these 1217 processors are extremely rare and the support for them is incomplete. 1218 1219config CPU_NEVADA 1220 bool "RM52xx" 1221 depends on SYS_HAS_CPU_NEVADA 1222 select CPU_HAS_LLSC 1223 select CPU_SUPPORTS_32BIT_KERNEL 1224 select CPU_SUPPORTS_64BIT_KERNEL 1225 help 1226 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1227 1228config CPU_R8000 1229 bool "R8000" 1230 depends on EXPERIMENTAL 1231 depends on SYS_HAS_CPU_R8000 1232 select CPU_HAS_LLSC 1233 select CPU_HAS_PREFETCH 1234 select CPU_SUPPORTS_64BIT_KERNEL 1235 help 1236 MIPS Technologies R8000 processors. Note these processors are 1237 uncommon and the support for them is incomplete. 1238 1239config CPU_R10000 1240 bool "R10000" 1241 depends on SYS_HAS_CPU_R10000 1242 select CPU_HAS_LLSC 1243 select CPU_HAS_PREFETCH 1244 select CPU_SUPPORTS_32BIT_KERNEL 1245 select CPU_SUPPORTS_64BIT_KERNEL 1246 select CPU_SUPPORTS_HIGHMEM 1247 help 1248 MIPS Technologies R10000-series processors. 1249 1250config CPU_RM7000 1251 bool "RM7000" 1252 depends on SYS_HAS_CPU_RM7000 1253 select CPU_HAS_LLSC 1254 select CPU_HAS_PREFETCH 1255 select CPU_SUPPORTS_32BIT_KERNEL 1256 select CPU_SUPPORTS_64BIT_KERNEL 1257 select CPU_SUPPORTS_HIGHMEM 1258 1259config CPU_RM9000 1260 bool "RM9000" 1261 depends on SYS_HAS_CPU_RM9000 1262 select CPU_HAS_LLSC 1263 select CPU_HAS_PREFETCH 1264 select CPU_SUPPORTS_32BIT_KERNEL 1265 select CPU_SUPPORTS_64BIT_KERNEL 1266 select CPU_SUPPORTS_HIGHMEM 1267 select WEAK_ORDERING 1268 1269config CPU_SB1 1270 bool "SB1" 1271 depends on SYS_HAS_CPU_SB1 1272 select CPU_HAS_LLSC 1273 select CPU_SUPPORTS_32BIT_KERNEL 1274 select CPU_SUPPORTS_64BIT_KERNEL 1275 select CPU_SUPPORTS_HIGHMEM 1276 select WEAK_ORDERING 1277 1278config CPU_CAVIUM_OCTEON 1279 bool "Cavium Octeon processor" 1280 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1281 select IRQ_CPU 1282 select IRQ_CPU_OCTEON 1283 select CPU_HAS_PREFETCH 1284 select CPU_SUPPORTS_64BIT_KERNEL 1285 select SYS_SUPPORTS_SMP 1286 select NR_CPUS_DEFAULT_16 1287 select WEAK_ORDERING 1288 select WEAK_REORDERING_BEYOND_LLSC 1289 select CPU_SUPPORTS_HIGHMEM 1290 select CPU_SUPPORTS_HUGEPAGES 1291 help 1292 The Cavium Octeon processor is a highly integrated chip containing 1293 many ethernet hardware widgets for networking tasks. The processor 1294 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1295 Full details can be found at http://www.caviumnetworks.com. 1296 1297endchoice 1298 1299config SYS_HAS_CPU_LOONGSON2 1300 bool 1301 1302config SYS_HAS_CPU_MIPS32_R1 1303 bool 1304 1305config SYS_HAS_CPU_MIPS32_R2 1306 bool 1307 1308config SYS_HAS_CPU_MIPS64_R1 1309 bool 1310 1311config SYS_HAS_CPU_MIPS64_R2 1312 bool 1313 1314config SYS_HAS_CPU_R3000 1315 bool 1316 1317config SYS_HAS_CPU_TX39XX 1318 bool 1319 1320config SYS_HAS_CPU_VR41XX 1321 bool 1322 1323config SYS_HAS_CPU_R4300 1324 bool 1325 1326config SYS_HAS_CPU_R4X00 1327 bool 1328 1329config SYS_HAS_CPU_TX49XX 1330 bool 1331 1332config SYS_HAS_CPU_R5000 1333 bool 1334 1335config SYS_HAS_CPU_R5432 1336 bool 1337 1338config SYS_HAS_CPU_R5500 1339 bool 1340 1341config SYS_HAS_CPU_R6000 1342 bool 1343 1344config SYS_HAS_CPU_NEVADA 1345 bool 1346 1347config SYS_HAS_CPU_R8000 1348 bool 1349 1350config SYS_HAS_CPU_R10000 1351 bool 1352 1353config SYS_HAS_CPU_RM7000 1354 bool 1355 1356config SYS_HAS_CPU_RM9000 1357 bool 1358 1359config SYS_HAS_CPU_SB1 1360 bool 1361 1362config SYS_HAS_CPU_CAVIUM_OCTEON 1363 bool 1364 1365# 1366# CPU may reorder R->R, R->W, W->R, W->W 1367# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1368# 1369config WEAK_ORDERING 1370 bool 1371 1372# 1373# CPU may reorder reads and writes beyond LL/SC 1374# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1375# 1376config WEAK_REORDERING_BEYOND_LLSC 1377 bool 1378endmenu 1379 1380# 1381# These two indicate any level of the MIPS32 and MIPS64 architecture 1382# 1383config CPU_MIPS32 1384 bool 1385 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1386 1387config CPU_MIPS64 1388 bool 1389 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1390 1391# 1392# These two indicate the revision of the architecture, either Release 1 or Release 2 1393# 1394config CPU_MIPSR1 1395 bool 1396 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1397 1398config CPU_MIPSR2 1399 bool 1400 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1401 1402config SYS_SUPPORTS_32BIT_KERNEL 1403 bool 1404config SYS_SUPPORTS_64BIT_KERNEL 1405 bool 1406config CPU_SUPPORTS_32BIT_KERNEL 1407 bool 1408config CPU_SUPPORTS_64BIT_KERNEL 1409 bool 1410config CPU_SUPPORTS_HUGEPAGES 1411 bool 1412 1413# 1414# Set to y for ptrace access to watch registers. 1415# 1416config HARDWARE_WATCHPOINTS 1417 bool 1418 default y if CPU_MIPSR1 || CPU_MIPSR2 1419 1420menu "Kernel type" 1421 1422choice 1423 1424 prompt "Kernel code model" 1425 help 1426 You should only select this option if you have a workload that 1427 actually benefits from 64-bit processing or if your machine has 1428 large memory. You will only be presented a single option in this 1429 menu if your system does not support both 32-bit and 64-bit kernels. 1430 1431config 32BIT 1432 bool "32-bit kernel" 1433 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1434 select TRAD_SIGNALS 1435 help 1436 Select this option if you want to build a 32-bit kernel. 1437config 64BIT 1438 bool "64-bit kernel" 1439 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1440 select HAVE_SYSCALL_WRAPPERS 1441 help 1442 Select this option if you want to build a 64-bit kernel. 1443 1444endchoice 1445 1446choice 1447 prompt "Kernel page size" 1448 default PAGE_SIZE_4KB 1449 1450config PAGE_SIZE_4KB 1451 bool "4kB" 1452 help 1453 This option select the standard 4kB Linux page size. On some 1454 R3000-family processors this is the only available page size. Using 1455 4kB page size will minimize memory consumption and is therefore 1456 recommended for low memory systems. 1457 1458config PAGE_SIZE_8KB 1459 bool "8kB" 1460 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 1461 help 1462 Using 8kB page size will result in higher performance kernel at 1463 the price of higher memory consumption. This option is available 1464 only on R8000 and cnMIPS processors. Note that you will need a 1465 suitable Linux distribution to support this. 1466 1467config PAGE_SIZE_16KB 1468 bool "16kB" 1469 depends on !CPU_R3000 && !CPU_TX39XX 1470 help 1471 Using 16kB page size will result in higher performance kernel at 1472 the price of higher memory consumption. This option is available on 1473 all non-R3000 family processors. Note that you will need a suitable 1474 Linux distribution to support this. 1475 1476config PAGE_SIZE_32KB 1477 bool "32kB" 1478 depends on CPU_CAVIUM_OCTEON 1479 help 1480 Using 32kB page size will result in higher performance kernel at 1481 the price of higher memory consumption. This option is available 1482 only on cnMIPS cores. Note that you will need a suitable Linux 1483 distribution to support this. 1484 1485config PAGE_SIZE_64KB 1486 bool "64kB" 1487 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1488 help 1489 Using 64kB page size will result in higher performance kernel at 1490 the price of higher memory consumption. This option is available on 1491 all non-R3000 family processor. Not that at the time of this 1492 writing this option is still high experimental. 1493 1494endchoice 1495 1496config BOARD_SCACHE 1497 bool 1498 1499config IP22_CPU_SCACHE 1500 bool 1501 select BOARD_SCACHE 1502 1503# 1504# Support for a MIPS32 / MIPS64 style S-caches 1505# 1506config MIPS_CPU_SCACHE 1507 bool 1508 select BOARD_SCACHE 1509 1510config R5000_CPU_SCACHE 1511 bool 1512 select BOARD_SCACHE 1513 1514config RM7000_CPU_SCACHE 1515 bool 1516 select BOARD_SCACHE 1517 1518config SIBYTE_DMA_PAGEOPS 1519 bool "Use DMA to clear/copy pages" 1520 depends on CPU_SB1 1521 help 1522 Instead of using the CPU to zero and copy pages, use a Data Mover 1523 channel. These DMA channels are otherwise unused by the standard 1524 SiByte Linux port. Seems to give a small performance benefit. 1525 1526config CPU_HAS_PREFETCH 1527 bool 1528 1529choice 1530 prompt "MIPS MT options" 1531 1532config MIPS_MT_DISABLED 1533 bool "Disable multithreading support." 1534 help 1535 Use this option if your workload can't take advantage of 1536 MIPS hardware multithreading support. On systems that don't have 1537 the option of an MT-enabled processor this option will be the only 1538 option in this menu. 1539 1540config MIPS_MT_SMP 1541 bool "Use 1 TC on each available VPE for SMP" 1542 depends on SYS_SUPPORTS_MULTITHREADING 1543 select CPU_MIPSR2_IRQ_VI 1544 select CPU_MIPSR2_IRQ_EI 1545 select MIPS_MT 1546 select NR_CPUS_DEFAULT_2 1547 select SMP 1548 select SYS_SUPPORTS_SCHED_SMT if SMP 1549 select SYS_SUPPORTS_SMP 1550 select SMP_UP 1551 help 1552 This is a kernel model which is also known a VSMP or lately 1553 has been marketesed into SMVP. 1554 1555config MIPS_MT_SMTC 1556 bool "SMTC: Use all TCs on all VPEs for SMP" 1557 depends on CPU_MIPS32_R2 1558 #depends on CPU_MIPS64_R2 # once there is hardware ... 1559 depends on SYS_SUPPORTS_MULTITHREADING 1560 select CPU_MIPSR2_IRQ_VI 1561 select CPU_MIPSR2_IRQ_EI 1562 select MIPS_MT 1563 select NR_CPUS_DEFAULT_8 1564 select SMP 1565 select SYS_SUPPORTS_SMP 1566 select SMP_UP 1567 help 1568 This is a kernel model which is known a SMTC or lately has been 1569 marketesed into SMVP. 1570 1571endchoice 1572 1573config MIPS_MT 1574 bool 1575 1576config SCHED_SMT 1577 bool "SMT (multithreading) scheduler support" 1578 depends on SYS_SUPPORTS_SCHED_SMT 1579 default n 1580 help 1581 SMT scheduler support improves the CPU scheduler's decision making 1582 when dealing with MIPS MT enabled cores at a cost of slightly 1583 increased overhead in some places. If unsure say N here. 1584 1585config SYS_SUPPORTS_SCHED_SMT 1586 bool 1587 1588 1589config SYS_SUPPORTS_MULTITHREADING 1590 bool 1591 1592config MIPS_MT_FPAFF 1593 bool "Dynamic FPU affinity for FP-intensive threads" 1594 default y 1595 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1596 1597config MIPS_VPE_LOADER 1598 bool "VPE loader support." 1599 depends on SYS_SUPPORTS_MULTITHREADING 1600 select CPU_MIPSR2_IRQ_VI 1601 select CPU_MIPSR2_IRQ_EI 1602 select MIPS_MT 1603 help 1604 Includes a loader for loading an elf relocatable object 1605 onto another VPE and running it. 1606 1607config MIPS_MT_SMTC_IM_BACKSTOP 1608 bool "Use per-TC register bits as backstop for inhibited IM bits" 1609 depends on MIPS_MT_SMTC 1610 default n 1611 help 1612 To support multiple TC microthreads acting as "CPUs" within 1613 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1614 during interrupt handling. To support legacy drivers and interrupt 1615 controller management code, SMTC has a "backstop" to track and 1616 if necessary restore the interrupt mask. This has some performance 1617 impact on interrupt service overhead. 1618 1619config MIPS_MT_SMTC_IRQAFF 1620 bool "Support IRQ affinity API" 1621 depends on MIPS_MT_SMTC 1622 default n 1623 help 1624 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1625 for SMTC Linux kernel. Requires platform support, of which 1626 an example can be found in the MIPS kernel i8259 and Malta 1627 platform code. Adds some overhead to interrupt dispatch, and 1628 should be used only if you know what you are doing. 1629 1630config MIPS_VPE_LOADER_TOM 1631 bool "Load VPE program into memory hidden from linux" 1632 depends on MIPS_VPE_LOADER 1633 default y 1634 help 1635 The loader can use memory that is present but has been hidden from 1636 Linux using the kernel command line option "mem=xxMB". It's up to 1637 you to ensure the amount you put in the option and the space your 1638 program requires is less or equal to the amount physically present. 1639 1640# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1641config MIPS_VPE_APSP_API 1642 bool "Enable support for AP/SP API (RTLX)" 1643 depends on MIPS_VPE_LOADER 1644 help 1645 1646config MIPS_APSP_KSPD 1647 bool "Enable KSPD" 1648 depends on MIPS_VPE_APSP_API 1649 default y 1650 help 1651 KSPD is a kernel daemon that accepts syscall requests from the SP 1652 side, actions them and returns the results. It also handles the 1653 "exit" syscall notifying other kernel modules the SP program is 1654 exiting. You probably want to say yes here. 1655 1656config MIPS_CMP 1657 bool "MIPS CMP framework support" 1658 depends on SYS_SUPPORTS_MIPS_CMP 1659 select SYNC_R4K 1660 select SYS_SUPPORTS_SMP 1661 select SYS_SUPPORTS_SCHED_SMT if SMP 1662 select WEAK_ORDERING 1663 default n 1664 help 1665 This is a placeholder option for the GCMP work. It will need to 1666 be handled differently... 1667 1668config SB1_PASS_1_WORKAROUNDS 1669 bool 1670 depends on CPU_SB1_PASS_1 1671 default y 1672 1673config SB1_PASS_2_WORKAROUNDS 1674 bool 1675 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1676 default y 1677 1678config SB1_PASS_2_1_WORKAROUNDS 1679 bool 1680 depends on CPU_SB1 && CPU_SB1_PASS_2 1681 default y 1682 1683config 64BIT_PHYS_ADDR 1684 bool 1685 1686config CPU_HAS_LLSC 1687 bool 1688 1689config CPU_HAS_SMARTMIPS 1690 depends on SYS_SUPPORTS_SMARTMIPS 1691 bool "Support for the SmartMIPS ASE" 1692 help 1693 SmartMIPS is a extension of the MIPS32 architecture aimed at 1694 increased security at both hardware and software level for 1695 smartcards. Enabling this option will allow proper use of the 1696 SmartMIPS instructions by Linux applications. However a kernel with 1697 this option will not work on a MIPS core without SmartMIPS core. If 1698 you don't know you probably don't have SmartMIPS and should say N 1699 here. 1700 1701config CPU_HAS_WB 1702 bool 1703 1704# 1705# Vectored interrupt mode is an R2 feature 1706# 1707config CPU_MIPSR2_IRQ_VI 1708 bool 1709 1710# 1711# Extended interrupt mode is an R2 feature 1712# 1713config CPU_MIPSR2_IRQ_EI 1714 bool 1715 1716config CPU_HAS_SYNC 1717 bool 1718 depends on !CPU_R3000 1719 default y 1720 1721config GENERIC_CLOCKEVENTS_BROADCAST 1722 bool 1723 1724# 1725# CPU non-features 1726# 1727config CPU_DADDI_WORKAROUNDS 1728 bool 1729 1730config CPU_R4000_WORKAROUNDS 1731 bool 1732 select CPU_R4400_WORKAROUNDS 1733 1734config CPU_R4400_WORKAROUNDS 1735 bool 1736 1737# 1738# Use the generic interrupt handling code in kernel/irq/: 1739# 1740config GENERIC_HARDIRQS 1741 bool 1742 default y 1743 1744config GENERIC_IRQ_PROBE 1745 bool 1746 default y 1747 1748config IRQ_PER_CPU 1749 bool 1750 1751# 1752# - Highmem only makes sense for the 32-bit kernel. 1753# - The current highmem code will only work properly on physically indexed 1754# caches such as R3000, SB1, R7000 or those that look like they're virtually 1755# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1756# moment we protect the user and offer the highmem option only on machines 1757# where it's known to be safe. This will not offer highmem on a few systems 1758# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1759# indexed CPUs but we're playing safe. 1760# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1761# know they might have memory configurations that could make use of highmem 1762# support. 1763# 1764config HIGHMEM 1765 bool "High Memory Support" 1766 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1767 1768config CPU_SUPPORTS_HIGHMEM 1769 bool 1770 1771config SYS_SUPPORTS_HIGHMEM 1772 bool 1773 1774config SYS_SUPPORTS_SMARTMIPS 1775 bool 1776 1777config ARCH_FLATMEM_ENABLE 1778 def_bool y 1779 depends on !NUMA 1780 1781config ARCH_DISCONTIGMEM_ENABLE 1782 bool 1783 default y if SGI_IP27 1784 help 1785 Say Y to support efficient handling of discontiguous physical memory, 1786 for architectures which are either NUMA (Non-Uniform Memory Access) 1787 or have huge holes in the physical address space for other reasons. 1788 See <file:Documentation/vm/numa> for more. 1789 1790config ARCH_POPULATES_NODE_MAP 1791 def_bool y 1792 1793config ARCH_SPARSEMEM_ENABLE 1794 bool 1795 select SPARSEMEM_STATIC 1796 1797config NUMA 1798 bool "NUMA Support" 1799 depends on SYS_SUPPORTS_NUMA 1800 help 1801 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1802 Access). This option improves performance on systems with more 1803 than two nodes; on two node systems it is generally better to 1804 leave it disabled; on single node systems disable this option 1805 disabled. 1806 1807config SYS_SUPPORTS_NUMA 1808 bool 1809 1810config NODES_SHIFT 1811 int 1812 default "6" 1813 depends on NEED_MULTIPLE_NODES 1814 1815source "mm/Kconfig" 1816 1817config SMP 1818 bool "Multi-Processing support" 1819 depends on SYS_SUPPORTS_SMP 1820 select IRQ_PER_CPU 1821 select USE_GENERIC_SMP_HELPERS 1822 help 1823 This enables support for systems with more than one CPU. If you have 1824 a system with only one CPU, like most personal computers, say N. If 1825 you have a system with more than one CPU, say Y. 1826 1827 If you say N here, the kernel will run on single and multiprocessor 1828 machines, but will use only one CPU of a multiprocessor machine. If 1829 you say Y here, the kernel will run on many, but not all, 1830 singleprocessor machines. On a singleprocessor machine, the kernel 1831 will run faster if you say N here. 1832 1833 People using multiprocessor machines who say Y here should also say 1834 Y to "Enhanced Real Time Clock Support", below. 1835 1836 See also the SMP-HOWTO available at 1837 <http://www.tldp.org/docs.html#howto>. 1838 1839 If you don't know what to do here, say N. 1840 1841config SMP_UP 1842 bool 1843 1844config SYS_SUPPORTS_MIPS_CMP 1845 bool 1846 1847config SYS_SUPPORTS_SMP 1848 bool 1849 1850config NR_CPUS_DEFAULT_1 1851 bool 1852 1853config NR_CPUS_DEFAULT_2 1854 bool 1855 1856config NR_CPUS_DEFAULT_4 1857 bool 1858 1859config NR_CPUS_DEFAULT_8 1860 bool 1861 1862config NR_CPUS_DEFAULT_16 1863 bool 1864 1865config NR_CPUS_DEFAULT_32 1866 bool 1867 1868config NR_CPUS_DEFAULT_64 1869 bool 1870 1871config NR_CPUS 1872 int "Maximum number of CPUs (2-64)" 1873 range 1 64 if NR_CPUS_DEFAULT_1 1874 depends on SMP 1875 default "1" if NR_CPUS_DEFAULT_1 1876 default "2" if NR_CPUS_DEFAULT_2 1877 default "4" if NR_CPUS_DEFAULT_4 1878 default "8" if NR_CPUS_DEFAULT_8 1879 default "16" if NR_CPUS_DEFAULT_16 1880 default "32" if NR_CPUS_DEFAULT_32 1881 default "64" if NR_CPUS_DEFAULT_64 1882 help 1883 This allows you to specify the maximum number of CPUs which this 1884 kernel will support. The maximum supported value is 32 for 32-bit 1885 kernel and 64 for 64-bit kernels; the minimum value which makes 1886 sense is 1 for Qemu (useful only for kernel debugging purposes) 1887 and 2 for all others. 1888 1889 This is purely to save memory - each supported CPU adds 1890 approximately eight kilobytes to the kernel image. For best 1891 performance should round up your number of processors to the next 1892 power of two. 1893 1894source "kernel/time/Kconfig" 1895 1896# 1897# Timer Interrupt Frequency Configuration 1898# 1899 1900choice 1901 prompt "Timer frequency" 1902 default HZ_250 1903 help 1904 Allows the configuration of the timer frequency. 1905 1906 config HZ_48 1907 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1908 1909 config HZ_100 1910 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1911 1912 config HZ_128 1913 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1914 1915 config HZ_250 1916 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1917 1918 config HZ_256 1919 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1920 1921 config HZ_1000 1922 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1923 1924 config HZ_1024 1925 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1926 1927endchoice 1928 1929config SYS_SUPPORTS_48HZ 1930 bool 1931 1932config SYS_SUPPORTS_100HZ 1933 bool 1934 1935config SYS_SUPPORTS_128HZ 1936 bool 1937 1938config SYS_SUPPORTS_250HZ 1939 bool 1940 1941config SYS_SUPPORTS_256HZ 1942 bool 1943 1944config SYS_SUPPORTS_1000HZ 1945 bool 1946 1947config SYS_SUPPORTS_1024HZ 1948 bool 1949 1950config SYS_SUPPORTS_ARBIT_HZ 1951 bool 1952 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1953 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1954 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1955 !SYS_SUPPORTS_1024HZ 1956 1957config HZ 1958 int 1959 default 48 if HZ_48 1960 default 100 if HZ_100 1961 default 128 if HZ_128 1962 default 250 if HZ_250 1963 default 256 if HZ_256 1964 default 1000 if HZ_1000 1965 default 1024 if HZ_1024 1966 1967source "kernel/Kconfig.preempt" 1968 1969config MIPS_INSANE_LARGE 1970 bool "Support for large 64-bit configurations" 1971 depends on CPU_R10000 && 64BIT 1972 help 1973 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1974 previous 64-bit processors which only supported 40 bit / 1TB. If you 1975 need processes of more than 1TB virtual address space, say Y here. 1976 This will result in additional memory usage, so it is not 1977 recommended for normal users. 1978 1979config KEXEC 1980 bool "Kexec system call (EXPERIMENTAL)" 1981 depends on EXPERIMENTAL 1982 help 1983 kexec is a system call that implements the ability to shutdown your 1984 current kernel, and to start another kernel. It is like a reboot 1985 but it is independent of the system firmware. And like a reboot 1986 you can start any kernel with it, not just Linux. 1987 1988 The name comes from the similarity to the exec system call. 1989 1990 It is an ongoing process to be certain the hardware in a machine 1991 is properly shutdown, so do not be surprised if this code does not 1992 initially work for you. It may help to enable device hotplugging 1993 support. As of this writing the exact hardware interface is 1994 strongly in flux, so no good recommendation can be made. 1995 1996config SECCOMP 1997 bool "Enable seccomp to safely compute untrusted bytecode" 1998 depends on PROC_FS 1999 default y 2000 help 2001 This kernel feature is useful for number crunching applications 2002 that may need to compute untrusted bytecode during their 2003 execution. By using pipes or other transports made available to 2004 the process as file descriptors supporting the read/write 2005 syscalls, it's possible to isolate those applications in 2006 their own address space using seccomp. Once seccomp is 2007 enabled via /proc/<pid>/seccomp, it cannot be disabled 2008 and the task is only allowed to execute a few safe syscalls 2009 defined by each seccomp mode. 2010 2011 If unsure, say Y. Only embedded should say N here. 2012 2013endmenu 2014 2015config LOCKDEP_SUPPORT 2016 bool 2017 default y 2018 2019config STACKTRACE_SUPPORT 2020 bool 2021 default y 2022 2023source "init/Kconfig" 2024 2025config PROBE_INITRD_HEADER 2026 bool "Probe initrd header created by addinitrd" 2027 depends on BLK_DEV_INITRD 2028 help 2029 Probe initrd header at the last page of kernel image. 2030 Say Y here if you are using arch/mips/boot/addinitrd.c to 2031 add initrd or initramfs image to the kernel image. 2032 Otherwise, say N. 2033 2034source "kernel/Kconfig.freezer" 2035 2036menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2037 2038config HW_HAS_EISA 2039 bool 2040config HW_HAS_PCI 2041 bool 2042 2043config PCI 2044 bool "Support for PCI controller" 2045 depends on HW_HAS_PCI 2046 select PCI_DOMAINS 2047 help 2048 Find out whether you have a PCI motherboard. PCI is the name of a 2049 bus system, i.e. the way the CPU talks to the other stuff inside 2050 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2051 say Y, otherwise N. 2052 2053config PCI_DOMAINS 2054 bool 2055 2056source "drivers/pci/Kconfig" 2057 2058# 2059# ISA support is now enabled via select. Too many systems still have the one 2060# or other ISA chip on the board that users don't know about so don't expect 2061# users to choose the right thing ... 2062# 2063config ISA 2064 bool 2065 2066config EISA 2067 bool "EISA support" 2068 depends on HW_HAS_EISA 2069 select ISA 2070 select GENERIC_ISA_DMA 2071 ---help--- 2072 The Extended Industry Standard Architecture (EISA) bus was 2073 developed as an open alternative to the IBM MicroChannel bus. 2074 2075 The EISA bus provided some of the features of the IBM MicroChannel 2076 bus while maintaining backward compatibility with cards made for 2077 the older ISA bus. The EISA bus saw limited use between 1988 and 2078 1995 when it was made obsolete by the PCI bus. 2079 2080 Say Y here if you are building a kernel for an EISA-based machine. 2081 2082 Otherwise, say N. 2083 2084source "drivers/eisa/Kconfig" 2085 2086config TC 2087 bool "TURBOchannel support" 2088 depends on MACH_DECSTATION 2089 help 2090 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2091 processors. Documentation on writing device drivers for TurboChannel 2092 is available at: 2093 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2094 2095#config ACCESSBUS 2096# bool "Access.Bus support" 2097# depends on TC 2098 2099config MMU 2100 bool 2101 default y 2102 2103config I8253 2104 bool 2105 2106config ZONE_DMA32 2107 bool 2108 2109source "drivers/pcmcia/Kconfig" 2110 2111source "drivers/pci/hotplug/Kconfig" 2112 2113endmenu 2114 2115menu "Executable file formats" 2116 2117source "fs/Kconfig.binfmt" 2118 2119config TRAD_SIGNALS 2120 bool 2121 2122config MIPS32_COMPAT 2123 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2124 depends on 64BIT 2125 help 2126 Select this option if you want Linux/MIPS 32-bit binary 2127 compatibility. Since all software available for Linux/MIPS is 2128 currently 32-bit you should say Y here. 2129 2130config COMPAT 2131 bool 2132 depends on MIPS32_COMPAT 2133 default y 2134 2135config SYSVIPC_COMPAT 2136 bool 2137 depends on COMPAT && SYSVIPC 2138 default y 2139 2140config MIPS32_O32 2141 bool "Kernel support for o32 binaries" 2142 depends on MIPS32_COMPAT 2143 help 2144 Select this option if you want to run o32 binaries. These are pure 2145 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2146 existing binaries are in this format. 2147 2148 If unsure, say Y. 2149 2150config MIPS32_N32 2151 bool "Kernel support for n32 binaries" 2152 depends on MIPS32_COMPAT 2153 help 2154 Select this option if you want to run n32 binaries. These are 2155 64-bit binaries using 32-bit quantities for addressing and certain 2156 data that would normally be 64-bit. They are used in special 2157 cases. 2158 2159 If unsure, say N. 2160 2161config BINFMT_ELF32 2162 bool 2163 default y if MIPS32_O32 || MIPS32_N32 2164 2165endmenu 2166 2167menu "Power management options" 2168 2169config ARCH_HIBERNATION_POSSIBLE 2170 def_bool y 2171 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2172 2173config ARCH_SUSPEND_POSSIBLE 2174 def_bool y 2175 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2176 2177source "kernel/power/Kconfig" 2178 2179endmenu 2180 2181source "net/Kconfig" 2182 2183source "drivers/Kconfig" 2184 2185source "fs/Kconfig" 2186 2187source "arch/mips/Kconfig.debug" 2188 2189source "security/Kconfig" 2190 2191source "crypto/Kconfig" 2192 2193source "lib/Kconfig" 2194