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 if !LEMOTE_FULOONG2E 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 BCM63XX 84 bool "Broadcom BCM63XX based boards" 85 select CEVT_R4K 86 select CSRC_R4K 87 select DMA_NONCOHERENT 88 select IRQ_CPU 89 select SYS_HAS_CPU_MIPS32_R1 90 select SYS_SUPPORTS_32BIT_KERNEL 91 select SYS_SUPPORTS_BIG_ENDIAN 92 select SYS_HAS_EARLY_PRINTK 93 select SWAP_IO_SPACE 94 select ARCH_REQUIRE_GPIOLIB 95 help 96 Support for BCM63XX based boards 97 98config MIPS_COBALT 99 bool "Cobalt Server" 100 select CEVT_R4K 101 select CSRC_R4K 102 select CEVT_GT641XX 103 select DMA_NONCOHERENT 104 select HW_HAS_PCI 105 select I8253 106 select I8259 107 select IRQ_CPU 108 select IRQ_GT641XX 109 select PCI_GT64XXX_PCI0 110 select PCI 111 select SYS_HAS_CPU_NEVADA 112 select SYS_HAS_EARLY_PRINTK 113 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_64BIT_KERNEL 115 select SYS_SUPPORTS_LITTLE_ENDIAN 116 117config MACH_DECSTATION 118 bool "DECstations" 119 select BOOT_ELF32 120 select CEVT_DS1287 121 select CEVT_R4K 122 select CSRC_IOASIC 123 select CSRC_R4K 124 select CPU_DADDI_WORKAROUNDS if 64BIT 125 select CPU_R4000_WORKAROUNDS if 64BIT 126 select CPU_R4400_WORKAROUNDS if 64BIT 127 select DMA_NONCOHERENT 128 select NO_IOPORT 129 select IRQ_CPU 130 select SYS_HAS_CPU_R3000 131 select SYS_HAS_CPU_R4X00 132 select SYS_SUPPORTS_32BIT_KERNEL 133 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 134 select SYS_SUPPORTS_LITTLE_ENDIAN 135 select SYS_SUPPORTS_128HZ 136 select SYS_SUPPORTS_256HZ 137 select SYS_SUPPORTS_1024HZ 138 help 139 This enables support for DEC's MIPS based workstations. For details 140 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 141 DECstation porting pages on <http://decstation.unix-ag.org/>. 142 143 If you have one of the following DECstation Models you definitely 144 want to choose R4xx0 for the CPU Type: 145 146 DECstation 5000/50 147 DECstation 5000/150 148 DECstation 5000/260 149 DECsystem 5900/260 150 151 otherwise choose R3000. 152 153config MACH_JAZZ 154 bool "Jazz family of machines" 155 select ARC 156 select ARC32 157 select ARCH_MAY_HAVE_PC_FDC 158 select CEVT_R4K 159 select CSRC_R4K 160 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 161 select GENERIC_ISA_DMA 162 select IRQ_CPU 163 select I8253 164 select I8259 165 select ISA 166 select SYS_HAS_CPU_R4X00 167 select SYS_SUPPORTS_32BIT_KERNEL 168 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 169 select SYS_SUPPORTS_100HZ 170 help 171 This a family of machines based on the MIPS R4030 chipset which was 172 used by several vendors to build RISC/os and Windows NT workstations. 173 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 174 Olivetti M700-10 workstations. 175 176config LASAT 177 bool "LASAT Networks platforms" 178 select CEVT_R4K 179 select CSRC_R4K 180 select DMA_NONCOHERENT 181 select SYS_HAS_EARLY_PRINTK 182 select HW_HAS_PCI 183 select IRQ_CPU 184 select PCI_GT64XXX_PCI0 185 select MIPS_NILE4 186 select R5000_CPU_SCACHE 187 select SYS_HAS_CPU_R5000 188 select SYS_SUPPORTS_32BIT_KERNEL 189 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 190 select SYS_SUPPORTS_LITTLE_ENDIAN 191 192config MACH_LOONGSON 193 bool "Loongson family of machines" 194 help 195 This enables the support of Loongson family of machines. 196 197 Loongson is a family of general-purpose MIPS-compatible CPUs. 198 developed at Institute of Computing Technology (ICT), 199 Chinese Academy of Sciences (CAS) in the People's Republic 200 of China. The chief architect is Professor Weiwu Hu. 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/bcm63xx/Kconfig" 664source "arch/mips/jazz/Kconfig" 665source "arch/mips/lasat/Kconfig" 666source "arch/mips/pmc-sierra/Kconfig" 667source "arch/mips/sgi-ip27/Kconfig" 668source "arch/mips/sibyte/Kconfig" 669source "arch/mips/txx9/Kconfig" 670source "arch/mips/vr41xx/Kconfig" 671source "arch/mips/cavium-octeon/Kconfig" 672source "arch/mips/loongson/Kconfig" 673 674endmenu 675 676config RWSEM_GENERIC_SPINLOCK 677 bool 678 default y 679 680config RWSEM_XCHGADD_ALGORITHM 681 bool 682 683config ARCH_HAS_ILOG2_U32 684 bool 685 default n 686 687config ARCH_HAS_ILOG2_U64 688 bool 689 default n 690 691config ARCH_SUPPORTS_OPROFILE 692 bool 693 default y if !MIPS_MT_SMTC 694 695config GENERIC_FIND_NEXT_BIT 696 bool 697 default y 698 699config GENERIC_HWEIGHT 700 bool 701 default y 702 703config GENERIC_CALIBRATE_DELAY 704 bool 705 default y 706 707config GENERIC_CLOCKEVENTS 708 bool 709 default y 710 711config GENERIC_TIME 712 bool 713 default y 714 715config GENERIC_CMOS_UPDATE 716 bool 717 default y 718 719config SCHED_OMIT_FRAME_POINTER 720 bool 721 default y 722 723config GENERIC_HARDIRQS_NO__DO_IRQ 724 def_bool y 725 726# 727# Select some configuration options automatically based on user selections. 728# 729config ARC 730 bool 731 732config ARCH_MAY_HAVE_PC_FDC 733 bool 734 735config BOOT_RAW 736 bool 737 738config CEVT_BCM1480 739 bool 740 741config CEVT_DS1287 742 bool 743 744config CEVT_GT641XX 745 bool 746 747config CEVT_R4K_LIB 748 bool 749 750config CEVT_R4K 751 select CEVT_R4K_LIB 752 bool 753 754config CEVT_SB1250 755 bool 756 757config CEVT_TXX9 758 bool 759 760config CSRC_BCM1480 761 bool 762 763config CSRC_IOASIC 764 bool 765 766config CSRC_R4K_LIB 767 bool 768 769config CSRC_R4K 770 select CSRC_R4K_LIB 771 bool 772 773config CSRC_SB1250 774 bool 775 776config GPIO_TXX9 777 select GENERIC_GPIO 778 select ARCH_REQUIRE_GPIOLIB 779 bool 780 781config CFE 782 bool 783 784config DMA_COHERENT 785 bool 786 787config DMA_NONCOHERENT 788 bool 789 select DMA_NEED_PCI_MAP_STATE 790 791config DMA_NEED_PCI_MAP_STATE 792 bool 793 794config EARLY_PRINTK 795 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 796 depends on SYS_HAS_EARLY_PRINTK 797 default y 798 help 799 This option enables special console drivers which allow the kernel 800 to print messages very early in the bootup process. 801 802 This is useful for kernel debugging when your machine crashes very 803 early before the console code is initialized. For normal operation, 804 it is not recommended because it looks ugly on some machines and 805 doesn't cooperate with an X server. You should normally say N here, 806 unless you want to debug such a crash. 807 808config SYS_HAS_EARLY_PRINTK 809 bool 810 811config HOTPLUG_CPU 812 bool "Support for hot-pluggable CPUs" 813 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 814 help 815 Say Y here to allow turning CPUs off and on. CPUs can be 816 controlled through /sys/devices/system/cpu. 817 (Note: power management support will enable this option 818 automatically on SMP systems. ) 819 Say N if you want to disable CPU hotplug. 820 821config SYS_SUPPORTS_HOTPLUG_CPU 822 bool 823 824config I8259 825 bool 826 827config MIPS_BONITO64 828 bool 829 830config MIPS_MSC 831 bool 832 833config MIPS_NILE4 834 bool 835 836config MIPS_DISABLE_OBSOLETE_IDE 837 bool 838 839config SYNC_R4K 840 bool 841 842config NO_IOPORT 843 def_bool n 844 845config GENERIC_ISA_DMA 846 bool 847 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 848 849config GENERIC_ISA_DMA_SUPPORT_BROKEN 850 bool 851 select GENERIC_ISA_DMA 852 853config GENERIC_GPIO 854 bool 855 856# 857# Endianess selection. Sufficiently obscure so many users don't know what to 858# answer,so we try hard to limit the available choices. Also the use of a 859# choice statement should be more obvious to the user. 860# 861choice 862 prompt "Endianess selection" 863 help 864 Some MIPS machines can be configured for either little or big endian 865 byte order. These modes require different kernels and a different 866 Linux distribution. In general there is one preferred byteorder for a 867 particular system but some systems are just as commonly used in the 868 one or the other endianness. 869 870config CPU_BIG_ENDIAN 871 bool "Big endian" 872 depends on SYS_SUPPORTS_BIG_ENDIAN 873 874config CPU_LITTLE_ENDIAN 875 bool "Little endian" 876 depends on SYS_SUPPORTS_LITTLE_ENDIAN 877 help 878 879endchoice 880 881config SYS_SUPPORTS_APM_EMULATION 882 bool 883 884config SYS_SUPPORTS_BIG_ENDIAN 885 bool 886 887config SYS_SUPPORTS_LITTLE_ENDIAN 888 bool 889 890config SYS_SUPPORTS_HUGETLBFS 891 bool 892 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 893 default y 894 895config IRQ_CPU 896 bool 897 898config IRQ_CPU_RM7K 899 bool 900 901config IRQ_CPU_RM9K 902 bool 903 904config IRQ_MSP_SLP 905 bool 906 907config IRQ_MSP_CIC 908 bool 909 910config IRQ_TXX9 911 bool 912 913config IRQ_GT641XX 914 bool 915 916config IRQ_GIC 917 bool 918 919config IRQ_CPU_OCTEON 920 bool 921 922config MIPS_BOARDS_GEN 923 bool 924 925config PCI_GT64XXX_PCI0 926 bool 927 928config NO_EXCEPT_FILL 929 bool 930 931config MIPS_RM9122 932 bool 933 select SERIAL_RM9000 934 935config SOC_EMMA2RH 936 bool 937 select CEVT_R4K 938 select CSRC_R4K 939 select DMA_NONCOHERENT 940 select IRQ_CPU 941 select SWAP_IO_SPACE 942 select SYS_HAS_CPU_R5500 943 select SYS_SUPPORTS_32BIT_KERNEL 944 select SYS_SUPPORTS_64BIT_KERNEL 945 select SYS_SUPPORTS_BIG_ENDIAN 946 947config SOC_PNX833X 948 bool 949 select CEVT_R4K 950 select CSRC_R4K 951 select IRQ_CPU 952 select DMA_NONCOHERENT 953 select SYS_HAS_CPU_MIPS32_R2 954 select SYS_SUPPORTS_32BIT_KERNEL 955 select SYS_SUPPORTS_LITTLE_ENDIAN 956 select SYS_SUPPORTS_BIG_ENDIAN 957 select GENERIC_GPIO 958 select CPU_MIPSR2_IRQ_VI 959 960config SOC_PNX8335 961 bool 962 select SOC_PNX833X 963 964config PNX8550 965 bool 966 select SOC_PNX8550 967 968config SOC_PNX8550 969 bool 970 select DMA_NONCOHERENT 971 select HW_HAS_PCI 972 select SYS_HAS_CPU_MIPS32_R1 973 select SYS_HAS_EARLY_PRINTK 974 select SYS_SUPPORTS_32BIT_KERNEL 975 select GENERIC_GPIO 976 977config SWAP_IO_SPACE 978 bool 979 980config SERIAL_RM9000 981 bool 982 983config SGI_HAS_INDYDOG 984 bool 985 986config SGI_HAS_HAL2 987 bool 988 989config SGI_HAS_SEEQ 990 bool 991 992config SGI_HAS_WD93 993 bool 994 995config SGI_HAS_ZILOG 996 bool 997 998config SGI_HAS_I8042 999 bool 1000 1001config DEFAULT_SGI_PARTITION 1002 bool 1003 1004config ARC32 1005 bool 1006 1007config SNIPROM 1008 bool 1009 1010config BOOT_ELF32 1011 bool 1012 1013config MIPS_L1_CACHE_SHIFT 1014 int 1015 default "4" if MACH_DECSTATION || MIKROTIK_RB532 1016 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1017 default "4" if PMC_MSP4200_EVAL 1018 default "5" 1019 1020config HAVE_STD_PC_SERIAL_PORT 1021 bool 1022 1023config ARC_CONSOLE 1024 bool "ARC console support" 1025 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1026 1027config ARC_MEMORY 1028 bool 1029 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1030 default y 1031 1032config ARC_PROMLIB 1033 bool 1034 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1035 default y 1036 1037config ARC64 1038 bool 1039 1040config BOOT_ELF64 1041 bool 1042 1043menu "CPU selection" 1044 1045choice 1046 prompt "CPU type" 1047 default CPU_R4X00 1048 1049config CPU_LOONGSON2E 1050 bool "Loongson 2E" 1051 depends on SYS_HAS_CPU_LOONGSON2E 1052 select CPU_LOONGSON2 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_PREFETCH 1061 select CPU_SUPPORTS_32BIT_KERNEL 1062 select CPU_SUPPORTS_HIGHMEM 1063 help 1064 Choose this option to build a kernel for release 1 or later of the 1065 MIPS32 architecture. Most modern embedded systems with a 32-bit 1066 MIPS processor are based on a MIPS32 processor. If you know the 1067 specific type of processor in your system, choose those that one 1068 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1069 Release 2 of the MIPS32 architecture is available since several 1070 years so chances are you even have a MIPS32 Release 2 processor 1071 in which case you should choose CPU_MIPS32_R2 instead for better 1072 performance. 1073 1074config CPU_MIPS32_R2 1075 bool "MIPS32 Release 2" 1076 depends on SYS_HAS_CPU_MIPS32_R2 1077 select CPU_HAS_PREFETCH 1078 select CPU_SUPPORTS_32BIT_KERNEL 1079 select CPU_SUPPORTS_HIGHMEM 1080 help 1081 Choose this option to build a kernel for release 2 or later of the 1082 MIPS32 architecture. Most modern embedded systems with a 32-bit 1083 MIPS processor are based on a MIPS32 processor. If you know the 1084 specific type of processor in your system, choose those that one 1085 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1086 1087config CPU_MIPS64_R1 1088 bool "MIPS64 Release 1" 1089 depends on SYS_HAS_CPU_MIPS64_R1 1090 select CPU_HAS_PREFETCH 1091 select CPU_SUPPORTS_32BIT_KERNEL 1092 select CPU_SUPPORTS_64BIT_KERNEL 1093 select CPU_SUPPORTS_HIGHMEM 1094 select CPU_SUPPORTS_HUGEPAGES 1095 help 1096 Choose this option to build a kernel for release 1 or later of the 1097 MIPS64 architecture. Many modern embedded systems with a 64-bit 1098 MIPS processor are based on a MIPS64 processor. If you know the 1099 specific type of processor in your system, choose those that one 1100 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1101 Release 2 of the MIPS64 architecture is available since several 1102 years so chances are you even have a MIPS64 Release 2 processor 1103 in which case you should choose CPU_MIPS64_R2 instead for better 1104 performance. 1105 1106config CPU_MIPS64_R2 1107 bool "MIPS64 Release 2" 1108 depends on SYS_HAS_CPU_MIPS64_R2 1109 select CPU_HAS_PREFETCH 1110 select CPU_SUPPORTS_32BIT_KERNEL 1111 select CPU_SUPPORTS_64BIT_KERNEL 1112 select CPU_SUPPORTS_HIGHMEM 1113 select CPU_SUPPORTS_HUGEPAGES 1114 help 1115 Choose this option to build a kernel for release 2 or later of the 1116 MIPS64 architecture. Many modern embedded systems with a 64-bit 1117 MIPS processor are based on a MIPS64 processor. If you know the 1118 specific type of processor in your system, choose those that one 1119 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1120 1121config CPU_R3000 1122 bool "R3000" 1123 depends on SYS_HAS_CPU_R3000 1124 select CPU_HAS_WB 1125 select CPU_SUPPORTS_32BIT_KERNEL 1126 select CPU_SUPPORTS_HIGHMEM 1127 help 1128 Please make sure to pick the right CPU type. Linux/MIPS is not 1129 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1130 *not* work on R4000 machines and vice versa. However, since most 1131 of the supported machines have an R4000 (or similar) CPU, R4x00 1132 might be a safe bet. If the resulting kernel does not work, 1133 try to recompile with R3000. 1134 1135config CPU_TX39XX 1136 bool "R39XX" 1137 depends on SYS_HAS_CPU_TX39XX 1138 select CPU_SUPPORTS_32BIT_KERNEL 1139 1140config CPU_VR41XX 1141 bool "R41xx" 1142 depends on SYS_HAS_CPU_VR41XX 1143 select CPU_SUPPORTS_32BIT_KERNEL 1144 select CPU_SUPPORTS_64BIT_KERNEL 1145 help 1146 The options selects support for the NEC VR4100 series of processors. 1147 Only choose this option if you have one of these processors as a 1148 kernel built with this option will not run on any other type of 1149 processor or vice versa. 1150 1151config CPU_R4300 1152 bool "R4300" 1153 depends on SYS_HAS_CPU_R4300 1154 select CPU_SUPPORTS_32BIT_KERNEL 1155 select CPU_SUPPORTS_64BIT_KERNEL 1156 help 1157 MIPS Technologies R4300-series processors. 1158 1159config CPU_R4X00 1160 bool "R4x00" 1161 depends on SYS_HAS_CPU_R4X00 1162 select CPU_SUPPORTS_32BIT_KERNEL 1163 select CPU_SUPPORTS_64BIT_KERNEL 1164 help 1165 MIPS Technologies R4000-series processors other than 4300, including 1166 the R4000, R4400, R4600, and 4700. 1167 1168config CPU_TX49XX 1169 bool "R49XX" 1170 depends on SYS_HAS_CPU_TX49XX 1171 select CPU_HAS_PREFETCH 1172 select CPU_SUPPORTS_32BIT_KERNEL 1173 select CPU_SUPPORTS_64BIT_KERNEL 1174 1175config CPU_R5000 1176 bool "R5000" 1177 depends on SYS_HAS_CPU_R5000 1178 select CPU_SUPPORTS_32BIT_KERNEL 1179 select CPU_SUPPORTS_64BIT_KERNEL 1180 help 1181 MIPS Technologies R5000-series processors other than the Nevada. 1182 1183config CPU_R5432 1184 bool "R5432" 1185 depends on SYS_HAS_CPU_R5432 1186 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_64BIT_KERNEL 1188 1189config CPU_R5500 1190 bool "R5500" 1191 depends on SYS_HAS_CPU_R5500 1192 select CPU_SUPPORTS_32BIT_KERNEL 1193 select CPU_SUPPORTS_64BIT_KERNEL 1194 select CPU_SUPPORTS_HUGEPAGES 1195 help 1196 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1197 instruction set. 1198 1199config CPU_R6000 1200 bool "R6000" 1201 depends on EXPERIMENTAL 1202 depends on SYS_HAS_CPU_R6000 1203 select CPU_SUPPORTS_32BIT_KERNEL 1204 help 1205 MIPS Technologies R6000 and R6000A series processors. Note these 1206 processors are extremely rare and the support for them is incomplete. 1207 1208config CPU_NEVADA 1209 bool "RM52xx" 1210 depends on SYS_HAS_CPU_NEVADA 1211 select CPU_SUPPORTS_32BIT_KERNEL 1212 select CPU_SUPPORTS_64BIT_KERNEL 1213 help 1214 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1215 1216config CPU_R8000 1217 bool "R8000" 1218 depends on EXPERIMENTAL 1219 depends on SYS_HAS_CPU_R8000 1220 select CPU_HAS_PREFETCH 1221 select CPU_SUPPORTS_64BIT_KERNEL 1222 help 1223 MIPS Technologies R8000 processors. Note these processors are 1224 uncommon and the support for them is incomplete. 1225 1226config CPU_R10000 1227 bool "R10000" 1228 depends on SYS_HAS_CPU_R10000 1229 select CPU_HAS_PREFETCH 1230 select CPU_SUPPORTS_32BIT_KERNEL 1231 select CPU_SUPPORTS_64BIT_KERNEL 1232 select CPU_SUPPORTS_HIGHMEM 1233 help 1234 MIPS Technologies R10000-series processors. 1235 1236config CPU_RM7000 1237 bool "RM7000" 1238 depends on SYS_HAS_CPU_RM7000 1239 select CPU_HAS_PREFETCH 1240 select CPU_SUPPORTS_32BIT_KERNEL 1241 select CPU_SUPPORTS_64BIT_KERNEL 1242 select CPU_SUPPORTS_HIGHMEM 1243 1244config CPU_RM9000 1245 bool "RM9000" 1246 depends on SYS_HAS_CPU_RM9000 1247 select CPU_HAS_PREFETCH 1248 select CPU_SUPPORTS_32BIT_KERNEL 1249 select CPU_SUPPORTS_64BIT_KERNEL 1250 select CPU_SUPPORTS_HIGHMEM 1251 select WEAK_ORDERING 1252 1253config CPU_SB1 1254 bool "SB1" 1255 depends on SYS_HAS_CPU_SB1 1256 select CPU_SUPPORTS_32BIT_KERNEL 1257 select CPU_SUPPORTS_64BIT_KERNEL 1258 select CPU_SUPPORTS_HIGHMEM 1259 select WEAK_ORDERING 1260 1261config CPU_CAVIUM_OCTEON 1262 bool "Cavium Octeon processor" 1263 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1264 select IRQ_CPU 1265 select IRQ_CPU_OCTEON 1266 select CPU_HAS_PREFETCH 1267 select CPU_SUPPORTS_64BIT_KERNEL 1268 select SYS_SUPPORTS_SMP 1269 select NR_CPUS_DEFAULT_16 1270 select WEAK_ORDERING 1271 select WEAK_REORDERING_BEYOND_LLSC 1272 select CPU_SUPPORTS_HIGHMEM 1273 select CPU_SUPPORTS_HUGEPAGES 1274 help 1275 The Cavium Octeon processor is a highly integrated chip containing 1276 many ethernet hardware widgets for networking tasks. The processor 1277 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1278 Full details can be found at http://www.caviumnetworks.com. 1279 1280endchoice 1281 1282config CPU_LOONGSON2 1283 bool 1284 select CPU_SUPPORTS_32BIT_KERNEL 1285 select CPU_SUPPORTS_64BIT_KERNEL 1286 select CPU_SUPPORTS_HIGHMEM 1287 1288config SYS_HAS_CPU_LOONGSON2E 1289 bool 1290 1291config SYS_HAS_CPU_MIPS32_R1 1292 bool 1293 1294config SYS_HAS_CPU_MIPS32_R2 1295 bool 1296 1297config SYS_HAS_CPU_MIPS64_R1 1298 bool 1299 1300config SYS_HAS_CPU_MIPS64_R2 1301 bool 1302 1303config SYS_HAS_CPU_R3000 1304 bool 1305 1306config SYS_HAS_CPU_TX39XX 1307 bool 1308 1309config SYS_HAS_CPU_VR41XX 1310 bool 1311 1312config SYS_HAS_CPU_R4300 1313 bool 1314 1315config SYS_HAS_CPU_R4X00 1316 bool 1317 1318config SYS_HAS_CPU_TX49XX 1319 bool 1320 1321config SYS_HAS_CPU_R5000 1322 bool 1323 1324config SYS_HAS_CPU_R5432 1325 bool 1326 1327config SYS_HAS_CPU_R5500 1328 bool 1329 1330config SYS_HAS_CPU_R6000 1331 bool 1332 1333config SYS_HAS_CPU_NEVADA 1334 bool 1335 1336config SYS_HAS_CPU_R8000 1337 bool 1338 1339config SYS_HAS_CPU_R10000 1340 bool 1341 1342config SYS_HAS_CPU_RM7000 1343 bool 1344 1345config SYS_HAS_CPU_RM9000 1346 bool 1347 1348config SYS_HAS_CPU_SB1 1349 bool 1350 1351config SYS_HAS_CPU_CAVIUM_OCTEON 1352 bool 1353 1354# 1355# CPU may reorder R->R, R->W, W->R, W->W 1356# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1357# 1358config WEAK_ORDERING 1359 bool 1360 1361# 1362# CPU may reorder reads and writes beyond LL/SC 1363# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1364# 1365config WEAK_REORDERING_BEYOND_LLSC 1366 bool 1367endmenu 1368 1369# 1370# These two indicate any level of the MIPS32 and MIPS64 architecture 1371# 1372config CPU_MIPS32 1373 bool 1374 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1375 1376config CPU_MIPS64 1377 bool 1378 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1379 1380# 1381# These two indicate the revision of the architecture, either Release 1 or Release 2 1382# 1383config CPU_MIPSR1 1384 bool 1385 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1386 1387config CPU_MIPSR2 1388 bool 1389 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1390 1391config SYS_SUPPORTS_32BIT_KERNEL 1392 bool 1393config SYS_SUPPORTS_64BIT_KERNEL 1394 bool 1395config CPU_SUPPORTS_32BIT_KERNEL 1396 bool 1397config CPU_SUPPORTS_64BIT_KERNEL 1398 bool 1399config CPU_SUPPORTS_HUGEPAGES 1400 bool 1401 1402# 1403# Set to y for ptrace access to watch registers. 1404# 1405config HARDWARE_WATCHPOINTS 1406 bool 1407 default y if CPU_MIPSR1 || CPU_MIPSR2 1408 1409menu "Kernel type" 1410 1411choice 1412 1413 prompt "Kernel code model" 1414 help 1415 You should only select this option if you have a workload that 1416 actually benefits from 64-bit processing or if your machine has 1417 large memory. You will only be presented a single option in this 1418 menu if your system does not support both 32-bit and 64-bit kernels. 1419 1420config 32BIT 1421 bool "32-bit kernel" 1422 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1423 select TRAD_SIGNALS 1424 help 1425 Select this option if you want to build a 32-bit kernel. 1426config 64BIT 1427 bool "64-bit kernel" 1428 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1429 select HAVE_SYSCALL_WRAPPERS 1430 help 1431 Select this option if you want to build a 64-bit kernel. 1432 1433endchoice 1434 1435choice 1436 prompt "Kernel page size" 1437 default PAGE_SIZE_4KB 1438 1439config PAGE_SIZE_4KB 1440 bool "4kB" 1441 help 1442 This option select the standard 4kB Linux page size. On some 1443 R3000-family processors this is the only available page size. Using 1444 4kB page size will minimize memory consumption and is therefore 1445 recommended for low memory systems. 1446 1447config PAGE_SIZE_8KB 1448 bool "8kB" 1449 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 1450 help 1451 Using 8kB page size will result in higher performance kernel at 1452 the price of higher memory consumption. This option is available 1453 only on R8000 and cnMIPS processors. Note that you will need a 1454 suitable Linux distribution to support this. 1455 1456config PAGE_SIZE_16KB 1457 bool "16kB" 1458 depends on !CPU_R3000 && !CPU_TX39XX 1459 help 1460 Using 16kB page size will result in higher performance kernel at 1461 the price of higher memory consumption. This option is available on 1462 all non-R3000 family processors. Note that you will need a suitable 1463 Linux distribution to support this. 1464 1465config PAGE_SIZE_32KB 1466 bool "32kB" 1467 depends on CPU_CAVIUM_OCTEON 1468 help 1469 Using 32kB page size will result in higher performance kernel at 1470 the price of higher memory consumption. This option is available 1471 only on cnMIPS cores. Note that you will need a suitable Linux 1472 distribution to support this. 1473 1474config PAGE_SIZE_64KB 1475 bool "64kB" 1476 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1477 help 1478 Using 64kB page size will result in higher performance kernel at 1479 the price of higher memory consumption. This option is available on 1480 all non-R3000 family processor. Not that at the time of this 1481 writing this option is still high experimental. 1482 1483endchoice 1484 1485config BOARD_SCACHE 1486 bool 1487 1488config IP22_CPU_SCACHE 1489 bool 1490 select BOARD_SCACHE 1491 1492# 1493# Support for a MIPS32 / MIPS64 style S-caches 1494# 1495config MIPS_CPU_SCACHE 1496 bool 1497 select BOARD_SCACHE 1498 1499config R5000_CPU_SCACHE 1500 bool 1501 select BOARD_SCACHE 1502 1503config RM7000_CPU_SCACHE 1504 bool 1505 select BOARD_SCACHE 1506 1507config SIBYTE_DMA_PAGEOPS 1508 bool "Use DMA to clear/copy pages" 1509 depends on CPU_SB1 1510 help 1511 Instead of using the CPU to zero and copy pages, use a Data Mover 1512 channel. These DMA channels are otherwise unused by the standard 1513 SiByte Linux port. Seems to give a small performance benefit. 1514 1515config CPU_HAS_PREFETCH 1516 bool 1517 1518choice 1519 prompt "MIPS MT options" 1520 1521config MIPS_MT_DISABLED 1522 bool "Disable multithreading support." 1523 help 1524 Use this option if your workload can't take advantage of 1525 MIPS hardware multithreading support. On systems that don't have 1526 the option of an MT-enabled processor this option will be the only 1527 option in this menu. 1528 1529config MIPS_MT_SMP 1530 bool "Use 1 TC on each available VPE for SMP" 1531 depends on SYS_SUPPORTS_MULTITHREADING 1532 select CPU_MIPSR2_IRQ_VI 1533 select CPU_MIPSR2_IRQ_EI 1534 select MIPS_MT 1535 select NR_CPUS_DEFAULT_2 1536 select SMP 1537 select SYS_SUPPORTS_SCHED_SMT if SMP 1538 select SYS_SUPPORTS_SMP 1539 select SMP_UP 1540 help 1541 This is a kernel model which is also known a VSMP or lately 1542 has been marketesed into SMVP. 1543 1544config MIPS_MT_SMTC 1545 bool "SMTC: Use all TCs on all VPEs for SMP" 1546 depends on CPU_MIPS32_R2 1547 #depends on CPU_MIPS64_R2 # once there is hardware ... 1548 depends on SYS_SUPPORTS_MULTITHREADING 1549 select CPU_MIPSR2_IRQ_VI 1550 select CPU_MIPSR2_IRQ_EI 1551 select MIPS_MT 1552 select NR_CPUS_DEFAULT_8 1553 select SMP 1554 select SYS_SUPPORTS_SMP 1555 select SMP_UP 1556 help 1557 This is a kernel model which is known a SMTC or lately has been 1558 marketesed into SMVP. 1559 1560endchoice 1561 1562config MIPS_MT 1563 bool 1564 1565config SCHED_SMT 1566 bool "SMT (multithreading) scheduler support" 1567 depends on SYS_SUPPORTS_SCHED_SMT 1568 default n 1569 help 1570 SMT scheduler support improves the CPU scheduler's decision making 1571 when dealing with MIPS MT enabled cores at a cost of slightly 1572 increased overhead in some places. If unsure say N here. 1573 1574config SYS_SUPPORTS_SCHED_SMT 1575 bool 1576 1577 1578config SYS_SUPPORTS_MULTITHREADING 1579 bool 1580 1581config MIPS_MT_FPAFF 1582 bool "Dynamic FPU affinity for FP-intensive threads" 1583 default y 1584 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1585 1586config MIPS_VPE_LOADER 1587 bool "VPE loader support." 1588 depends on SYS_SUPPORTS_MULTITHREADING 1589 select CPU_MIPSR2_IRQ_VI 1590 select CPU_MIPSR2_IRQ_EI 1591 select MIPS_MT 1592 help 1593 Includes a loader for loading an elf relocatable object 1594 onto another VPE and running it. 1595 1596config MIPS_MT_SMTC_IM_BACKSTOP 1597 bool "Use per-TC register bits as backstop for inhibited IM bits" 1598 depends on MIPS_MT_SMTC 1599 default n 1600 help 1601 To support multiple TC microthreads acting as "CPUs" within 1602 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1603 during interrupt handling. To support legacy drivers and interrupt 1604 controller management code, SMTC has a "backstop" to track and 1605 if necessary restore the interrupt mask. This has some performance 1606 impact on interrupt service overhead. 1607 1608config MIPS_MT_SMTC_IRQAFF 1609 bool "Support IRQ affinity API" 1610 depends on MIPS_MT_SMTC 1611 default n 1612 help 1613 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1614 for SMTC Linux kernel. Requires platform support, of which 1615 an example can be found in the MIPS kernel i8259 and Malta 1616 platform code. Adds some overhead to interrupt dispatch, and 1617 should be used only if you know what you are doing. 1618 1619config MIPS_VPE_LOADER_TOM 1620 bool "Load VPE program into memory hidden from linux" 1621 depends on MIPS_VPE_LOADER 1622 default y 1623 help 1624 The loader can use memory that is present but has been hidden from 1625 Linux using the kernel command line option "mem=xxMB". It's up to 1626 you to ensure the amount you put in the option and the space your 1627 program requires is less or equal to the amount physically present. 1628 1629# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1630config MIPS_VPE_APSP_API 1631 bool "Enable support for AP/SP API (RTLX)" 1632 depends on MIPS_VPE_LOADER 1633 help 1634 1635config MIPS_APSP_KSPD 1636 bool "Enable KSPD" 1637 depends on MIPS_VPE_APSP_API 1638 default y 1639 help 1640 KSPD is a kernel daemon that accepts syscall requests from the SP 1641 side, actions them and returns the results. It also handles the 1642 "exit" syscall notifying other kernel modules the SP program is 1643 exiting. You probably want to say yes here. 1644 1645config MIPS_CMP 1646 bool "MIPS CMP framework support" 1647 depends on SYS_SUPPORTS_MIPS_CMP 1648 select SYNC_R4K 1649 select SYS_SUPPORTS_SMP 1650 select SYS_SUPPORTS_SCHED_SMT if SMP 1651 select WEAK_ORDERING 1652 default n 1653 help 1654 This is a placeholder option for the GCMP work. It will need to 1655 be handled differently... 1656 1657config SB1_PASS_1_WORKAROUNDS 1658 bool 1659 depends on CPU_SB1_PASS_1 1660 default y 1661 1662config SB1_PASS_2_WORKAROUNDS 1663 bool 1664 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1665 default y 1666 1667config SB1_PASS_2_1_WORKAROUNDS 1668 bool 1669 depends on CPU_SB1 && CPU_SB1_PASS_2 1670 default y 1671 1672config 64BIT_PHYS_ADDR 1673 bool 1674 1675config CPU_HAS_SMARTMIPS 1676 depends on SYS_SUPPORTS_SMARTMIPS 1677 bool "Support for the SmartMIPS ASE" 1678 help 1679 SmartMIPS is a extension of the MIPS32 architecture aimed at 1680 increased security at both hardware and software level for 1681 smartcards. Enabling this option will allow proper use of the 1682 SmartMIPS instructions by Linux applications. However a kernel with 1683 this option will not work on a MIPS core without SmartMIPS core. If 1684 you don't know you probably don't have SmartMIPS and should say N 1685 here. 1686 1687config CPU_HAS_WB 1688 bool 1689 1690# 1691# Vectored interrupt mode is an R2 feature 1692# 1693config CPU_MIPSR2_IRQ_VI 1694 bool 1695 1696# 1697# Extended interrupt mode is an R2 feature 1698# 1699config CPU_MIPSR2_IRQ_EI 1700 bool 1701 1702config CPU_HAS_SYNC 1703 bool 1704 depends on !CPU_R3000 1705 default y 1706 1707config GENERIC_CLOCKEVENTS_BROADCAST 1708 bool 1709 1710# 1711# CPU non-features 1712# 1713config CPU_DADDI_WORKAROUNDS 1714 bool 1715 1716config CPU_R4000_WORKAROUNDS 1717 bool 1718 select CPU_R4400_WORKAROUNDS 1719 1720config CPU_R4400_WORKAROUNDS 1721 bool 1722 1723# 1724# Use the generic interrupt handling code in kernel/irq/: 1725# 1726config GENERIC_HARDIRQS 1727 bool 1728 default y 1729 1730config GENERIC_IRQ_PROBE 1731 bool 1732 default y 1733 1734config IRQ_PER_CPU 1735 bool 1736 1737# 1738# - Highmem only makes sense for the 32-bit kernel. 1739# - The current highmem code will only work properly on physically indexed 1740# caches such as R3000, SB1, R7000 or those that look like they're virtually 1741# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1742# moment we protect the user and offer the highmem option only on machines 1743# where it's known to be safe. This will not offer highmem on a few systems 1744# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1745# indexed CPUs but we're playing safe. 1746# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1747# know they might have memory configurations that could make use of highmem 1748# support. 1749# 1750config HIGHMEM 1751 bool "High Memory Support" 1752 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1753 1754config CPU_SUPPORTS_HIGHMEM 1755 bool 1756 1757config SYS_SUPPORTS_HIGHMEM 1758 bool 1759 1760config SYS_SUPPORTS_SMARTMIPS 1761 bool 1762 1763config ARCH_FLATMEM_ENABLE 1764 def_bool y 1765 depends on !NUMA 1766 1767config ARCH_DISCONTIGMEM_ENABLE 1768 bool 1769 default y if SGI_IP27 1770 help 1771 Say Y to support efficient handling of discontiguous physical memory, 1772 for architectures which are either NUMA (Non-Uniform Memory Access) 1773 or have huge holes in the physical address space for other reasons. 1774 See <file:Documentation/vm/numa> for more. 1775 1776config ARCH_POPULATES_NODE_MAP 1777 def_bool y 1778 1779config ARCH_SPARSEMEM_ENABLE 1780 bool 1781 select SPARSEMEM_STATIC 1782 1783config NUMA 1784 bool "NUMA Support" 1785 depends on SYS_SUPPORTS_NUMA 1786 help 1787 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1788 Access). This option improves performance on systems with more 1789 than two nodes; on two node systems it is generally better to 1790 leave it disabled; on single node systems disable this option 1791 disabled. 1792 1793config SYS_SUPPORTS_NUMA 1794 bool 1795 1796config NODES_SHIFT 1797 int 1798 default "6" 1799 depends on NEED_MULTIPLE_NODES 1800 1801source "mm/Kconfig" 1802 1803config SMP 1804 bool "Multi-Processing support" 1805 depends on SYS_SUPPORTS_SMP 1806 select IRQ_PER_CPU 1807 select USE_GENERIC_SMP_HELPERS 1808 help 1809 This enables support for systems with more than one CPU. If you have 1810 a system with only one CPU, like most personal computers, say N. If 1811 you have a system with more than one CPU, say Y. 1812 1813 If you say N here, the kernel will run on single and multiprocessor 1814 machines, but will use only one CPU of a multiprocessor machine. If 1815 you say Y here, the kernel will run on many, but not all, 1816 singleprocessor machines. On a singleprocessor machine, the kernel 1817 will run faster if you say N here. 1818 1819 People using multiprocessor machines who say Y here should also say 1820 Y to "Enhanced Real Time Clock Support", below. 1821 1822 See also the SMP-HOWTO available at 1823 <http://www.tldp.org/docs.html#howto>. 1824 1825 If you don't know what to do here, say N. 1826 1827config SMP_UP 1828 bool 1829 1830config SYS_SUPPORTS_MIPS_CMP 1831 bool 1832 1833config SYS_SUPPORTS_SMP 1834 bool 1835 1836config NR_CPUS_DEFAULT_1 1837 bool 1838 1839config NR_CPUS_DEFAULT_2 1840 bool 1841 1842config NR_CPUS_DEFAULT_4 1843 bool 1844 1845config NR_CPUS_DEFAULT_8 1846 bool 1847 1848config NR_CPUS_DEFAULT_16 1849 bool 1850 1851config NR_CPUS_DEFAULT_32 1852 bool 1853 1854config NR_CPUS_DEFAULT_64 1855 bool 1856 1857config NR_CPUS 1858 int "Maximum number of CPUs (2-64)" 1859 range 1 64 if NR_CPUS_DEFAULT_1 1860 depends on SMP 1861 default "1" if NR_CPUS_DEFAULT_1 1862 default "2" if NR_CPUS_DEFAULT_2 1863 default "4" if NR_CPUS_DEFAULT_4 1864 default "8" if NR_CPUS_DEFAULT_8 1865 default "16" if NR_CPUS_DEFAULT_16 1866 default "32" if NR_CPUS_DEFAULT_32 1867 default "64" if NR_CPUS_DEFAULT_64 1868 help 1869 This allows you to specify the maximum number of CPUs which this 1870 kernel will support. The maximum supported value is 32 for 32-bit 1871 kernel and 64 for 64-bit kernels; the minimum value which makes 1872 sense is 1 for Qemu (useful only for kernel debugging purposes) 1873 and 2 for all others. 1874 1875 This is purely to save memory - each supported CPU adds 1876 approximately eight kilobytes to the kernel image. For best 1877 performance should round up your number of processors to the next 1878 power of two. 1879 1880source "kernel/time/Kconfig" 1881 1882# 1883# Timer Interrupt Frequency Configuration 1884# 1885 1886choice 1887 prompt "Timer frequency" 1888 default HZ_250 1889 help 1890 Allows the configuration of the timer frequency. 1891 1892 config HZ_48 1893 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1894 1895 config HZ_100 1896 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1897 1898 config HZ_128 1899 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1900 1901 config HZ_250 1902 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1903 1904 config HZ_256 1905 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1906 1907 config HZ_1000 1908 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1909 1910 config HZ_1024 1911 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1912 1913endchoice 1914 1915config SYS_SUPPORTS_48HZ 1916 bool 1917 1918config SYS_SUPPORTS_100HZ 1919 bool 1920 1921config SYS_SUPPORTS_128HZ 1922 bool 1923 1924config SYS_SUPPORTS_250HZ 1925 bool 1926 1927config SYS_SUPPORTS_256HZ 1928 bool 1929 1930config SYS_SUPPORTS_1000HZ 1931 bool 1932 1933config SYS_SUPPORTS_1024HZ 1934 bool 1935 1936config SYS_SUPPORTS_ARBIT_HZ 1937 bool 1938 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1939 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1940 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1941 !SYS_SUPPORTS_1024HZ 1942 1943config HZ 1944 int 1945 default 48 if HZ_48 1946 default 100 if HZ_100 1947 default 128 if HZ_128 1948 default 250 if HZ_250 1949 default 256 if HZ_256 1950 default 1000 if HZ_1000 1951 default 1024 if HZ_1024 1952 1953source "kernel/Kconfig.preempt" 1954 1955config MIPS_INSANE_LARGE 1956 bool "Support for large 64-bit configurations" 1957 depends on CPU_R10000 && 64BIT 1958 help 1959 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1960 previous 64-bit processors which only supported 40 bit / 1TB. If you 1961 need processes of more than 1TB virtual address space, say Y here. 1962 This will result in additional memory usage, so it is not 1963 recommended for normal users. 1964 1965config KEXEC 1966 bool "Kexec system call (EXPERIMENTAL)" 1967 depends on EXPERIMENTAL 1968 help 1969 kexec is a system call that implements the ability to shutdown your 1970 current kernel, and to start another kernel. It is like a reboot 1971 but it is independent of the system firmware. And like a reboot 1972 you can start any kernel with it, not just Linux. 1973 1974 The name comes from the similarity to the exec system call. 1975 1976 It is an ongoing process to be certain the hardware in a machine 1977 is properly shutdown, so do not be surprised if this code does not 1978 initially work for you. It may help to enable device hotplugging 1979 support. As of this writing the exact hardware interface is 1980 strongly in flux, so no good recommendation can be made. 1981 1982config SECCOMP 1983 bool "Enable seccomp to safely compute untrusted bytecode" 1984 depends on PROC_FS 1985 default y 1986 help 1987 This kernel feature is useful for number crunching applications 1988 that may need to compute untrusted bytecode during their 1989 execution. By using pipes or other transports made available to 1990 the process as file descriptors supporting the read/write 1991 syscalls, it's possible to isolate those applications in 1992 their own address space using seccomp. Once seccomp is 1993 enabled via /proc/<pid>/seccomp, it cannot be disabled 1994 and the task is only allowed to execute a few safe syscalls 1995 defined by each seccomp mode. 1996 1997 If unsure, say Y. Only embedded should say N here. 1998 1999endmenu 2000 2001config LOCKDEP_SUPPORT 2002 bool 2003 default y 2004 2005config STACKTRACE_SUPPORT 2006 bool 2007 default y 2008 2009source "init/Kconfig" 2010 2011config PROBE_INITRD_HEADER 2012 bool "Probe initrd header created by addinitrd" 2013 depends on BLK_DEV_INITRD 2014 help 2015 Probe initrd header at the last page of kernel image. 2016 Say Y here if you are using arch/mips/boot/addinitrd.c to 2017 add initrd or initramfs image to the kernel image. 2018 Otherwise, say N. 2019 2020source "kernel/Kconfig.freezer" 2021 2022menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2023 2024config HW_HAS_EISA 2025 bool 2026config HW_HAS_PCI 2027 bool 2028 2029config PCI 2030 bool "Support for PCI controller" 2031 depends on HW_HAS_PCI 2032 select PCI_DOMAINS 2033 help 2034 Find out whether you have a PCI motherboard. PCI is the name of a 2035 bus system, i.e. the way the CPU talks to the other stuff inside 2036 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2037 say Y, otherwise N. 2038 2039config PCI_DOMAINS 2040 bool 2041 2042source "drivers/pci/Kconfig" 2043 2044# 2045# ISA support is now enabled via select. Too many systems still have the one 2046# or other ISA chip on the board that users don't know about so don't expect 2047# users to choose the right thing ... 2048# 2049config ISA 2050 bool 2051 2052config EISA 2053 bool "EISA support" 2054 depends on HW_HAS_EISA 2055 select ISA 2056 select GENERIC_ISA_DMA 2057 ---help--- 2058 The Extended Industry Standard Architecture (EISA) bus was 2059 developed as an open alternative to the IBM MicroChannel bus. 2060 2061 The EISA bus provided some of the features of the IBM MicroChannel 2062 bus while maintaining backward compatibility with cards made for 2063 the older ISA bus. The EISA bus saw limited use between 1988 and 2064 1995 when it was made obsolete by the PCI bus. 2065 2066 Say Y here if you are building a kernel for an EISA-based machine. 2067 2068 Otherwise, say N. 2069 2070source "drivers/eisa/Kconfig" 2071 2072config TC 2073 bool "TURBOchannel support" 2074 depends on MACH_DECSTATION 2075 help 2076 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2077 processors. Documentation on writing device drivers for TurboChannel 2078 is available at: 2079 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2080 2081#config ACCESSBUS 2082# bool "Access.Bus support" 2083# depends on TC 2084 2085config MMU 2086 bool 2087 default y 2088 2089config I8253 2090 bool 2091 2092config ZONE_DMA32 2093 bool 2094 2095source "drivers/pcmcia/Kconfig" 2096 2097source "drivers/pci/hotplug/Kconfig" 2098 2099endmenu 2100 2101menu "Executable file formats" 2102 2103source "fs/Kconfig.binfmt" 2104 2105config TRAD_SIGNALS 2106 bool 2107 2108config MIPS32_COMPAT 2109 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2110 depends on 64BIT 2111 help 2112 Select this option if you want Linux/MIPS 32-bit binary 2113 compatibility. Since all software available for Linux/MIPS is 2114 currently 32-bit you should say Y here. 2115 2116config COMPAT 2117 bool 2118 depends on MIPS32_COMPAT 2119 default y 2120 2121config SYSVIPC_COMPAT 2122 bool 2123 depends on COMPAT && SYSVIPC 2124 default y 2125 2126config MIPS32_O32 2127 bool "Kernel support for o32 binaries" 2128 depends on MIPS32_COMPAT 2129 help 2130 Select this option if you want to run o32 binaries. These are pure 2131 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2132 existing binaries are in this format. 2133 2134 If unsure, say Y. 2135 2136config MIPS32_N32 2137 bool "Kernel support for n32 binaries" 2138 depends on MIPS32_COMPAT 2139 help 2140 Select this option if you want to run n32 binaries. These are 2141 64-bit binaries using 32-bit quantities for addressing and certain 2142 data that would normally be 64-bit. They are used in special 2143 cases. 2144 2145 If unsure, say N. 2146 2147config BINFMT_ELF32 2148 bool 2149 default y if MIPS32_O32 || MIPS32_N32 2150 2151endmenu 2152 2153menu "Power management options" 2154 2155config ARCH_HIBERNATION_POSSIBLE 2156 def_bool y 2157 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2158 2159config ARCH_SUSPEND_POSSIBLE 2160 def_bool y 2161 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2162 2163source "kernel/power/Kconfig" 2164 2165endmenu 2166 2167source "net/Kconfig" 2168 2169source "drivers/Kconfig" 2170 2171source "fs/Kconfig" 2172 2173source "arch/mips/Kconfig.debug" 2174 2175source "security/Kconfig" 2176 2177source "crypto/Kconfig" 2178 2179source "lib/Kconfig" 2180