1config MIPS 2 bool 3 default y 4 select HAVE_GENERIC_DMA_COHERENT 5 select HAVE_IDE 6 select HAVE_OPROFILE 7 select HAVE_ARCH_KGDB 8 # Horrible source of confusion. Die, die, die ... 9 select EMBEDDED 10 select RTC_LIB if !LEMOTE_FULOONG2E 11 12mainmenu "Linux/MIPS Kernel Configuration" 13 14menu "Machine selection" 15 16config ZONE_DMA 17 bool 18 19choice 20 prompt "System type" 21 default SGI_IP22 22 23config MACH_ALCHEMY 24 bool "Alchemy processor based machines" 25 26config AR7 27 bool "Texas Instruments AR7" 28 select BOOT_ELF32 29 select DMA_NONCOHERENT 30 select CEVT_R4K 31 select CSRC_R4K 32 select IRQ_CPU 33 select NO_EXCEPT_FILL 34 select SWAP_IO_SPACE 35 select SYS_HAS_CPU_MIPS32_R1 36 select SYS_HAS_EARLY_PRINTK 37 select SYS_SUPPORTS_32BIT_KERNEL 38 select SYS_SUPPORTS_LITTLE_ENDIAN 39 select GENERIC_GPIO 40 select GCD 41 select VLYNQ 42 help 43 Support for the Texas Instruments AR7 System-on-a-Chip 44 family: TNETD7100, 7200 and 7300. 45 46config BASLER_EXCITE 47 bool "Basler eXcite smart camera" 48 select CEVT_R4K 49 select CSRC_R4K 50 select DMA_COHERENT 51 select HW_HAS_PCI 52 select IRQ_CPU 53 select IRQ_CPU_RM7K 54 select IRQ_CPU_RM9K 55 select MIPS_RM9122 56 select SYS_HAS_CPU_RM9000 57 select SYS_SUPPORTS_32BIT_KERNEL 58 select SYS_SUPPORTS_BIG_ENDIAN 59 help 60 The eXcite is a smart camera platform manufactured by 61 Basler Vision Technologies AG. 62 63config BCM47XX 64 bool "BCM47XX based boards" 65 select CEVT_R4K 66 select CSRC_R4K 67 select DMA_NONCOHERENT 68 select HW_HAS_PCI 69 select IRQ_CPU 70 select SYS_HAS_CPU_MIPS32_R1 71 select SYS_SUPPORTS_32BIT_KERNEL 72 select SYS_SUPPORTS_LITTLE_ENDIAN 73 select SSB 74 select SSB_DRIVER_MIPS 75 select SSB_DRIVER_EXTIF 76 select SSB_EMBEDDED 77 select SSB_PCICORE_HOSTMODE if PCI 78 select GENERIC_GPIO 79 select SYS_HAS_EARLY_PRINTK 80 select CFE 81 help 82 Support for BCM47XX based boards 83 84config BCM63XX 85 bool "Broadcom BCM63XX based boards" 86 select CEVT_R4K 87 select CSRC_R4K 88 select DMA_NONCOHERENT 89 select IRQ_CPU 90 select SYS_HAS_CPU_MIPS32_R1 91 select SYS_SUPPORTS_32BIT_KERNEL 92 select SYS_SUPPORTS_BIG_ENDIAN 93 select SYS_HAS_EARLY_PRINTK 94 select SWAP_IO_SPACE 95 select ARCH_REQUIRE_GPIOLIB 96 help 97 Support for BCM63XX based boards 98 99config MIPS_COBALT 100 bool "Cobalt Server" 101 select CEVT_R4K 102 select CSRC_R4K 103 select CEVT_GT641XX 104 select DMA_NONCOHERENT 105 select HW_HAS_PCI 106 select I8253 107 select I8259 108 select IRQ_CPU 109 select IRQ_GT641XX 110 select PCI_GT64XXX_PCI0 111 select PCI 112 select SYS_HAS_CPU_NEVADA 113 select SYS_HAS_EARLY_PRINTK 114 select SYS_SUPPORTS_32BIT_KERNEL 115 select SYS_SUPPORTS_64BIT_KERNEL 116 select SYS_SUPPORTS_LITTLE_ENDIAN 117 118config MACH_DECSTATION 119 bool "DECstations" 120 select BOOT_ELF32 121 select CEVT_DS1287 122 select CEVT_R4K 123 select CSRC_IOASIC 124 select CSRC_R4K 125 select CPU_DADDI_WORKAROUNDS if 64BIT 126 select CPU_R4000_WORKAROUNDS if 64BIT 127 select CPU_R4400_WORKAROUNDS if 64BIT 128 select DMA_NONCOHERENT 129 select NO_IOPORT 130 select IRQ_CPU 131 select SYS_HAS_CPU_R3000 132 select SYS_HAS_CPU_R4X00 133 select SYS_SUPPORTS_32BIT_KERNEL 134 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 135 select SYS_SUPPORTS_LITTLE_ENDIAN 136 select SYS_SUPPORTS_128HZ 137 select SYS_SUPPORTS_256HZ 138 select SYS_SUPPORTS_1024HZ 139 help 140 This enables support for DEC's MIPS based workstations. For details 141 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 142 DECstation porting pages on <http://decstation.unix-ag.org/>. 143 144 If you have one of the following DECstation Models you definitely 145 want to choose R4xx0 for the CPU Type: 146 147 DECstation 5000/50 148 DECstation 5000/150 149 DECstation 5000/260 150 DECsystem 5900/260 151 152 otherwise choose R3000. 153 154config MACH_JAZZ 155 bool "Jazz family of machines" 156 select ARC 157 select ARC32 158 select ARCH_MAY_HAVE_PC_FDC 159 select CEVT_R4K 160 select CSRC_R4K 161 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 162 select GENERIC_ISA_DMA 163 select IRQ_CPU 164 select I8253 165 select I8259 166 select ISA 167 select SYS_HAS_CPU_R4X00 168 select SYS_SUPPORTS_32BIT_KERNEL 169 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 170 select SYS_SUPPORTS_100HZ 171 help 172 This a family of machines based on the MIPS R4030 chipset which was 173 used by several vendors to build RISC/os and Windows NT workstations. 174 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 175 Olivetti M700-10 workstations. 176 177config LASAT 178 bool "LASAT Networks platforms" 179 select CEVT_R4K 180 select CSRC_R4K 181 select DMA_NONCOHERENT 182 select SYS_HAS_EARLY_PRINTK 183 select HW_HAS_PCI 184 select IRQ_CPU 185 select PCI_GT64XXX_PCI0 186 select MIPS_NILE4 187 select R5000_CPU_SCACHE 188 select SYS_HAS_CPU_R5000 189 select SYS_SUPPORTS_32BIT_KERNEL 190 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 191 select SYS_SUPPORTS_LITTLE_ENDIAN 192 193config MACH_LOONGSON 194 bool "Loongson family of machines" 195 help 196 This enables the support of Loongson family of machines. 197 198 Loongson is a family of general-purpose MIPS-compatible CPUs. 199 developed at Institute of Computing Technology (ICT), 200 Chinese Academy of Sciences (CAS) in the People's Republic 201 of China. The chief architect is Professor Weiwu Hu. 202 203config MIPS_MALTA 204 bool "MIPS Malta board" 205 select ARCH_MAY_HAVE_PC_FDC 206 select BOOT_ELF32 207 select BOOT_RAW 208 select CEVT_R4K 209 select CSRC_R4K 210 select DMA_NONCOHERENT 211 select GENERIC_ISA_DMA 212 select IRQ_CPU 213 select IRQ_GIC 214 select HW_HAS_PCI 215 select I8253 216 select I8259 217 select MIPS_BOARDS_GEN 218 select MIPS_BONITO64 219 select MIPS_CPU_SCACHE 220 select PCI_GT64XXX_PCI0 221 select MIPS_MSC 222 select SWAP_IO_SPACE 223 select SYS_HAS_CPU_MIPS32_R1 224 select SYS_HAS_CPU_MIPS32_R2 225 select SYS_HAS_CPU_MIPS64_R1 226 select SYS_HAS_CPU_NEVADA 227 select SYS_HAS_CPU_RM7000 228 select SYS_HAS_EARLY_PRINTK 229 select SYS_SUPPORTS_32BIT_KERNEL 230 select SYS_SUPPORTS_64BIT_KERNEL 231 select SYS_SUPPORTS_BIG_ENDIAN 232 select SYS_SUPPORTS_LITTLE_ENDIAN 233 select SYS_SUPPORTS_MIPS_CMP 234 select SYS_SUPPORTS_MULTITHREADING 235 select SYS_SUPPORTS_SMARTMIPS 236 help 237 This enables support for the MIPS Technologies Malta evaluation 238 board. 239 240config MIPS_SIM 241 bool 'MIPS simulator (MIPSsim)' 242 select CEVT_R4K 243 select CSRC_R4K 244 select DMA_NONCOHERENT 245 select SYS_HAS_EARLY_PRINTK 246 select IRQ_CPU 247 select BOOT_RAW 248 select SYS_HAS_CPU_MIPS32_R1 249 select SYS_HAS_CPU_MIPS32_R2 250 select SYS_HAS_EARLY_PRINTK 251 select SYS_SUPPORTS_32BIT_KERNEL 252 select SYS_SUPPORTS_BIG_ENDIAN 253 select SYS_SUPPORTS_MULTITHREADING 254 select SYS_SUPPORTS_LITTLE_ENDIAN 255 help 256 This option enables support for MIPS Technologies MIPSsim software 257 emulator. 258 259config NEC_MARKEINS 260 bool "NEC EMMA2RH Mark-eins board" 261 select SOC_EMMA2RH 262 select HW_HAS_PCI 263 help 264 This enables support for the NEC Electronics Mark-eins boards. 265 266config MACH_VR41XX 267 bool "NEC VR4100 series based machines" 268 select CEVT_R4K 269 select CSRC_R4K 270 select SYS_HAS_CPU_VR41XX 271 select ARCH_REQUIRE_GPIOLIB 272 273config NXP_STB220 274 bool "NXP STB220 board" 275 select SOC_PNX833X 276 help 277 Support for NXP Semiconductors STB220 Development Board. 278 279config NXP_STB225 280 bool "NXP 225 board" 281 select SOC_PNX833X 282 select SOC_PNX8335 283 help 284 Support for NXP Semiconductors STB225 Development Board. 285 286config PNX8550_JBS 287 bool "NXP PNX8550 based JBS board" 288 select PNX8550 289 select SYS_SUPPORTS_LITTLE_ENDIAN 290 291config PNX8550_STB810 292 bool "NXP PNX8550 based STB810 board" 293 select PNX8550 294 select SYS_SUPPORTS_LITTLE_ENDIAN 295 296config PMC_MSP 297 bool "PMC-Sierra MSP chipsets" 298 depends on EXPERIMENTAL 299 select DMA_NONCOHERENT 300 select SWAP_IO_SPACE 301 select NO_EXCEPT_FILL 302 select BOOT_RAW 303 select SYS_HAS_CPU_MIPS32_R1 304 select SYS_HAS_CPU_MIPS32_R2 305 select SYS_SUPPORTS_32BIT_KERNEL 306 select SYS_SUPPORTS_BIG_ENDIAN 307 select IRQ_CPU 308 select SERIAL_8250 309 select SERIAL_8250_CONSOLE 310 help 311 This adds support for the PMC-Sierra family of Multi-Service 312 Processor System-On-A-Chips. These parts include a number 313 of integrated peripherals, interfaces and DSPs in addition to 314 a variety of MIPS cores. 315 316config PMC_YOSEMITE 317 bool "PMC-Sierra Yosemite eval board" 318 select CEVT_R4K 319 select CSRC_R4K 320 select DMA_COHERENT 321 select HW_HAS_PCI 322 select IRQ_CPU 323 select IRQ_CPU_RM7K 324 select IRQ_CPU_RM9K 325 select SWAP_IO_SPACE 326 select SYS_HAS_CPU_RM9000 327 select SYS_HAS_EARLY_PRINTK 328 select SYS_SUPPORTS_32BIT_KERNEL 329 select SYS_SUPPORTS_64BIT_KERNEL 330 select SYS_SUPPORTS_BIG_ENDIAN 331 select SYS_SUPPORTS_HIGHMEM 332 select SYS_SUPPORTS_SMP 333 help 334 Yosemite is an evaluation board for the RM9000x2 processor 335 manufactured by PMC-Sierra. 336 337config SGI_IP22 338 bool "SGI IP22 (Indy/Indigo2)" 339 select ARC 340 select ARC32 341 select BOOT_ELF32 342 select CEVT_R4K 343 select CSRC_R4K 344 select DEFAULT_SGI_PARTITION 345 select DMA_NONCOHERENT 346 select HW_HAS_EISA 347 select I8253 348 select I8259 349 select IP22_CPU_SCACHE 350 select IRQ_CPU 351 select GENERIC_ISA_DMA_SUPPORT_BROKEN 352 select SGI_HAS_I8042 353 select SGI_HAS_INDYDOG 354 select SGI_HAS_HAL2 355 select SGI_HAS_SEEQ 356 select SGI_HAS_WD93 357 select SGI_HAS_ZILOG 358 select SWAP_IO_SPACE 359 select SYS_HAS_CPU_R4X00 360 select SYS_HAS_CPU_R5000 361 select SYS_HAS_EARLY_PRINTK 362 select SYS_SUPPORTS_32BIT_KERNEL 363 select SYS_SUPPORTS_64BIT_KERNEL 364 select SYS_SUPPORTS_BIG_ENDIAN 365 help 366 This are the SGI Indy, Challenge S and Indigo2, as well as certain 367 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 368 that runs on these, say Y here. 369 370config SGI_IP27 371 bool "SGI IP27 (Origin200/2000)" 372 select ARC 373 select ARC64 374 select BOOT_ELF64 375 select DEFAULT_SGI_PARTITION 376 select DMA_COHERENT 377 select SYS_HAS_EARLY_PRINTK 378 select HW_HAS_PCI 379 select NR_CPUS_DEFAULT_64 380 select SYS_HAS_CPU_R10000 381 select SYS_SUPPORTS_64BIT_KERNEL 382 select SYS_SUPPORTS_BIG_ENDIAN 383 select SYS_SUPPORTS_NUMA 384 select SYS_SUPPORTS_SMP 385 help 386 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 387 workstations. To compile a Linux kernel that runs on these, say Y 388 here. 389 390config SGI_IP28 391 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 392 depends on EXPERIMENTAL 393 select ARC 394 select ARC64 395 select BOOT_ELF64 396 select CEVT_R4K 397 select CSRC_R4K 398 select DEFAULT_SGI_PARTITION 399 select DMA_NONCOHERENT 400 select GENERIC_ISA_DMA_SUPPORT_BROKEN 401 select IRQ_CPU 402 select HW_HAS_EISA 403 select I8253 404 select I8259 405 select SGI_HAS_I8042 406 select SGI_HAS_INDYDOG 407 select SGI_HAS_HAL2 408 select SGI_HAS_SEEQ 409 select SGI_HAS_WD93 410 select SGI_HAS_ZILOG 411 select SWAP_IO_SPACE 412 select SYS_HAS_CPU_R10000 413 select SYS_HAS_EARLY_PRINTK 414 select SYS_SUPPORTS_64BIT_KERNEL 415 select SYS_SUPPORTS_BIG_ENDIAN 416 help 417 This is the SGI Indigo2 with R10000 processor. To compile a Linux 418 kernel that runs on these, say Y here. 419 420config SGI_IP32 421 bool "SGI IP32 (O2)" 422 select ARC 423 select ARC32 424 select BOOT_ELF32 425 select CEVT_R4K 426 select CSRC_R4K 427 select DMA_NONCOHERENT 428 select HW_HAS_PCI 429 select IRQ_CPU 430 select R5000_CPU_SCACHE 431 select RM7000_CPU_SCACHE 432 select SYS_HAS_CPU_R5000 433 select SYS_HAS_CPU_R10000 if BROKEN 434 select SYS_HAS_CPU_RM7000 435 select SYS_HAS_CPU_NEVADA 436 select SYS_SUPPORTS_64BIT_KERNEL 437 select SYS_SUPPORTS_BIG_ENDIAN 438 help 439 If you want this kernel to run on SGI O2 workstation, say Y here. 440 441config SIBYTE_CRHINE 442 bool "Sibyte BCM91120C-CRhine" 443 depends on EXPERIMENTAL 444 select BOOT_ELF32 445 select DMA_COHERENT 446 select SIBYTE_BCM1120 447 select SWAP_IO_SPACE 448 select SYS_HAS_CPU_SB1 449 select SYS_SUPPORTS_BIG_ENDIAN 450 select SYS_SUPPORTS_LITTLE_ENDIAN 451 452config SIBYTE_CARMEL 453 bool "Sibyte BCM91120x-Carmel" 454 depends on EXPERIMENTAL 455 select BOOT_ELF32 456 select DMA_COHERENT 457 select SIBYTE_BCM1120 458 select SWAP_IO_SPACE 459 select SYS_HAS_CPU_SB1 460 select SYS_SUPPORTS_BIG_ENDIAN 461 select SYS_SUPPORTS_LITTLE_ENDIAN 462 463config SIBYTE_CRHONE 464 bool "Sibyte BCM91125C-CRhone" 465 depends on EXPERIMENTAL 466 select BOOT_ELF32 467 select DMA_COHERENT 468 select SIBYTE_BCM1125 469 select SWAP_IO_SPACE 470 select SYS_HAS_CPU_SB1 471 select SYS_SUPPORTS_BIG_ENDIAN 472 select SYS_SUPPORTS_HIGHMEM 473 select SYS_SUPPORTS_LITTLE_ENDIAN 474 475config SIBYTE_RHONE 476 bool "Sibyte BCM91125E-Rhone" 477 depends on EXPERIMENTAL 478 select BOOT_ELF32 479 select DMA_COHERENT 480 select SIBYTE_BCM1125H 481 select SWAP_IO_SPACE 482 select SYS_HAS_CPU_SB1 483 select SYS_SUPPORTS_BIG_ENDIAN 484 select SYS_SUPPORTS_LITTLE_ENDIAN 485 486config SIBYTE_SWARM 487 bool "Sibyte BCM91250A-SWARM" 488 select BOOT_ELF32 489 select DMA_COHERENT 490 select NR_CPUS_DEFAULT_2 491 select SIBYTE_SB1250 492 select SWAP_IO_SPACE 493 select SYS_HAS_CPU_SB1 494 select SYS_SUPPORTS_BIG_ENDIAN 495 select SYS_SUPPORTS_HIGHMEM 496 select SYS_SUPPORTS_LITTLE_ENDIAN 497 select ZONE_DMA32 if 64BIT 498 499config SIBYTE_LITTLESUR 500 bool "Sibyte BCM91250C2-LittleSur" 501 depends on EXPERIMENTAL 502 select BOOT_ELF32 503 select DMA_COHERENT 504 select NR_CPUS_DEFAULT_2 505 select SIBYTE_SB1250 506 select SWAP_IO_SPACE 507 select SYS_HAS_CPU_SB1 508 select SYS_SUPPORTS_BIG_ENDIAN 509 select SYS_SUPPORTS_HIGHMEM 510 select SYS_SUPPORTS_LITTLE_ENDIAN 511 512config SIBYTE_SENTOSA 513 bool "Sibyte BCM91250E-Sentosa" 514 depends on EXPERIMENTAL 515 select BOOT_ELF32 516 select DMA_COHERENT 517 select NR_CPUS_DEFAULT_2 518 select SIBYTE_SB1250 519 select SWAP_IO_SPACE 520 select SYS_HAS_CPU_SB1 521 select SYS_SUPPORTS_BIG_ENDIAN 522 select SYS_SUPPORTS_LITTLE_ENDIAN 523 524config SIBYTE_BIGSUR 525 bool "Sibyte BCM91480B-BigSur" 526 select BOOT_ELF32 527 select DMA_COHERENT 528 select NR_CPUS_DEFAULT_4 529 select SIBYTE_BCM1x80 530 select SWAP_IO_SPACE 531 select SYS_HAS_CPU_SB1 532 select SYS_SUPPORTS_BIG_ENDIAN 533 select SYS_SUPPORTS_HIGHMEM 534 select SYS_SUPPORTS_LITTLE_ENDIAN 535 select ZONE_DMA32 if 64BIT 536 537config SNI_RM 538 bool "SNI RM200/300/400" 539 select ARC if CPU_LITTLE_ENDIAN 540 select ARC32 if CPU_LITTLE_ENDIAN 541 select SNIPROM if CPU_BIG_ENDIAN 542 select ARCH_MAY_HAVE_PC_FDC 543 select BOOT_ELF32 544 select CEVT_R4K 545 select CSRC_R4K 546 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 547 select DMA_NONCOHERENT 548 select GENERIC_ISA_DMA 549 select HW_HAS_EISA 550 select HW_HAS_PCI 551 select IRQ_CPU 552 select I8253 553 select I8259 554 select ISA 555 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 556 select SYS_HAS_CPU_R4X00 557 select SYS_HAS_CPU_R5000 558 select SYS_HAS_CPU_R10000 559 select R5000_CPU_SCACHE 560 select SYS_HAS_EARLY_PRINTK 561 select SYS_SUPPORTS_32BIT_KERNEL 562 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 563 select SYS_SUPPORTS_BIG_ENDIAN 564 select SYS_SUPPORTS_HIGHMEM 565 select SYS_SUPPORTS_LITTLE_ENDIAN 566 help 567 The SNI RM200/300/400 are MIPS-based machines manufactured by 568 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 569 Technology and now in turn merged with Fujitsu. Say Y here to 570 support this machine type. 571 572config MACH_TX39XX 573 bool "Toshiba TX39 series based machines" 574 575config MACH_TX49XX 576 bool "Toshiba TX49 series based machines" 577 578config MIKROTIK_RB532 579 bool "Mikrotik RB532 boards" 580 select CEVT_R4K 581 select CSRC_R4K 582 select DMA_NONCOHERENT 583 select HW_HAS_PCI 584 select IRQ_CPU 585 select SYS_HAS_CPU_MIPS32_R1 586 select SYS_SUPPORTS_32BIT_KERNEL 587 select SYS_SUPPORTS_LITTLE_ENDIAN 588 select SWAP_IO_SPACE 589 select BOOT_RAW 590 select ARCH_REQUIRE_GPIOLIB 591 help 592 Support the Mikrotik(tm) RouterBoard 532 series, 593 based on the IDT RC32434 SoC. 594 595config WR_PPMC 596 bool "Wind River PPMC board" 597 select CEVT_R4K 598 select CSRC_R4K 599 select IRQ_CPU 600 select BOOT_ELF32 601 select DMA_NONCOHERENT 602 select HW_HAS_PCI 603 select PCI_GT64XXX_PCI0 604 select SWAP_IO_SPACE 605 select SYS_HAS_CPU_MIPS32_R1 606 select SYS_HAS_CPU_MIPS32_R2 607 select SYS_HAS_CPU_MIPS64_R1 608 select SYS_HAS_CPU_NEVADA 609 select SYS_HAS_CPU_RM7000 610 select SYS_SUPPORTS_32BIT_KERNEL 611 select SYS_SUPPORTS_64BIT_KERNEL 612 select SYS_SUPPORTS_BIG_ENDIAN 613 select SYS_SUPPORTS_LITTLE_ENDIAN 614 help 615 This enables support for the Wind River MIPS32 4KC PPMC evaluation 616 board, which is based on GT64120 bridge chip. 617 618config CAVIUM_OCTEON_SIMULATOR 619 bool "Cavium Networks Octeon Simulator" 620 select CEVT_R4K 621 select 64BIT_PHYS_ADDR 622 select DMA_COHERENT 623 select SYS_SUPPORTS_64BIT_KERNEL 624 select SYS_SUPPORTS_BIG_ENDIAN 625 select SYS_SUPPORTS_HIGHMEM 626 select SYS_SUPPORTS_HOTPLUG_CPU 627 select SYS_HAS_CPU_CAVIUM_OCTEON 628 help 629 The Octeon simulator is software performance model of the Cavium 630 Octeon Processor. It supports simulating Octeon processors on x86 631 hardware. 632 633config CAVIUM_OCTEON_REFERENCE_BOARD 634 bool "Cavium Networks Octeon reference board" 635 select CEVT_R4K 636 select 64BIT_PHYS_ADDR 637 select DMA_COHERENT 638 select SYS_SUPPORTS_64BIT_KERNEL 639 select SYS_SUPPORTS_BIG_ENDIAN 640 select SYS_SUPPORTS_HIGHMEM 641 select SYS_SUPPORTS_HOTPLUG_CPU 642 select SYS_HAS_EARLY_PRINTK 643 select SYS_HAS_CPU_CAVIUM_OCTEON 644 select SWAP_IO_SPACE 645 select HW_HAS_PCI 646 select ARCH_SUPPORTS_MSI 647 help 648 This option supports all of the Octeon reference boards from Cavium 649 Networks. It builds a kernel that dynamically determines the Octeon 650 CPU type and supports all known board reference implementations. 651 Some of the supported boards are: 652 EBT3000 653 EBH3000 654 EBH3100 655 Thunder 656 Kodama 657 Hikari 658 Say Y here for most Octeon reference boards. 659 660endchoice 661 662source "arch/mips/alchemy/Kconfig" 663source "arch/mips/basler/excite/Kconfig" 664source "arch/mips/bcm63xx/Kconfig" 665source "arch/mips/jazz/Kconfig" 666source "arch/mips/lasat/Kconfig" 667source "arch/mips/pmc-sierra/Kconfig" 668source "arch/mips/sgi-ip27/Kconfig" 669source "arch/mips/sibyte/Kconfig" 670source "arch/mips/txx9/Kconfig" 671source "arch/mips/vr41xx/Kconfig" 672source "arch/mips/cavium-octeon/Kconfig" 673source "arch/mips/loongson/Kconfig" 674 675endmenu 676 677config RWSEM_GENERIC_SPINLOCK 678 bool 679 default y 680 681config RWSEM_XCHGADD_ALGORITHM 682 bool 683 684config ARCH_HAS_ILOG2_U32 685 bool 686 default n 687 688config ARCH_HAS_ILOG2_U64 689 bool 690 default n 691 692config ARCH_SUPPORTS_OPROFILE 693 bool 694 default y if !MIPS_MT_SMTC 695 696config GENERIC_FIND_NEXT_BIT 697 bool 698 default y 699 700config GENERIC_HWEIGHT 701 bool 702 default y 703 704config GENERIC_CALIBRATE_DELAY 705 bool 706 default y 707 708config GENERIC_CLOCKEVENTS 709 bool 710 default y 711 712config GENERIC_TIME 713 bool 714 default y 715 716config GENERIC_CMOS_UPDATE 717 bool 718 default y 719 720config SCHED_OMIT_FRAME_POINTER 721 bool 722 default y 723 724config GENERIC_HARDIRQS_NO__DO_IRQ 725 def_bool y 726 727# 728# Select some configuration options automatically based on user selections. 729# 730config ARC 731 bool 732 733config ARCH_MAY_HAVE_PC_FDC 734 bool 735 736config BOOT_RAW 737 bool 738 739config CEVT_BCM1480 740 bool 741 742config CEVT_DS1287 743 bool 744 745config CEVT_GT641XX 746 bool 747 748config CEVT_R4K_LIB 749 bool 750 751config CEVT_R4K 752 select CEVT_R4K_LIB 753 bool 754 755config CEVT_SB1250 756 bool 757 758config CEVT_TXX9 759 bool 760 761config CSRC_BCM1480 762 bool 763 764config CSRC_IOASIC 765 bool 766 767config CSRC_R4K_LIB 768 bool 769 770config CSRC_R4K 771 select CSRC_R4K_LIB 772 bool 773 774config CSRC_SB1250 775 bool 776 777config GPIO_TXX9 778 select GENERIC_GPIO 779 select ARCH_REQUIRE_GPIOLIB 780 bool 781 782config CFE 783 bool 784 785config DMA_COHERENT 786 bool 787 788config DMA_NONCOHERENT 789 bool 790 select DMA_NEED_PCI_MAP_STATE 791 792config DMA_NEED_PCI_MAP_STATE 793 bool 794 795config EARLY_PRINTK 796 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 797 depends on SYS_HAS_EARLY_PRINTK 798 default y 799 help 800 This option enables special console drivers which allow the kernel 801 to print messages very early in the bootup process. 802 803 This is useful for kernel debugging when your machine crashes very 804 early before the console code is initialized. For normal operation, 805 it is not recommended because it looks ugly on some machines and 806 doesn't cooperate with an X server. You should normally say N here, 807 unless you want to debug such a crash. 808 809config SYS_HAS_EARLY_PRINTK 810 bool 811 812config HOTPLUG_CPU 813 bool "Support for hot-pluggable CPUs" 814 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 815 help 816 Say Y here to allow turning CPUs off and on. CPUs can be 817 controlled through /sys/devices/system/cpu. 818 (Note: power management support will enable this option 819 automatically on SMP systems. ) 820 Say N if you want to disable CPU hotplug. 821 822config SYS_SUPPORTS_HOTPLUG_CPU 823 bool 824 825config I8259 826 bool 827 828config MIPS_BONITO64 829 bool 830 831config MIPS_MSC 832 bool 833 834config MIPS_NILE4 835 bool 836 837config MIPS_DISABLE_OBSOLETE_IDE 838 bool 839 840config SYNC_R4K 841 bool 842 843config NO_IOPORT 844 def_bool n 845 846config GENERIC_ISA_DMA 847 bool 848 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 849 850config GENERIC_ISA_DMA_SUPPORT_BROKEN 851 bool 852 select GENERIC_ISA_DMA 853 854config GENERIC_GPIO 855 bool 856 857# 858# Endianess selection. Sufficiently obscure so many users don't know what to 859# answer,so we try hard to limit the available choices. Also the use of a 860# choice statement should be more obvious to the user. 861# 862choice 863 prompt "Endianess selection" 864 help 865 Some MIPS machines can be configured for either little or big endian 866 byte order. These modes require different kernels and a different 867 Linux distribution. In general there is one preferred byteorder for a 868 particular system but some systems are just as commonly used in the 869 one or the other endianness. 870 871config CPU_BIG_ENDIAN 872 bool "Big endian" 873 depends on SYS_SUPPORTS_BIG_ENDIAN 874 875config CPU_LITTLE_ENDIAN 876 bool "Little endian" 877 depends on SYS_SUPPORTS_LITTLE_ENDIAN 878 help 879 880endchoice 881 882config SYS_SUPPORTS_APM_EMULATION 883 bool 884 885config SYS_SUPPORTS_BIG_ENDIAN 886 bool 887 888config SYS_SUPPORTS_LITTLE_ENDIAN 889 bool 890 891config SYS_SUPPORTS_HUGETLBFS 892 bool 893 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 894 default y 895 896config IRQ_CPU 897 bool 898 899config IRQ_CPU_RM7K 900 bool 901 902config IRQ_CPU_RM9K 903 bool 904 905config IRQ_MSP_SLP 906 bool 907 908config IRQ_MSP_CIC 909 bool 910 911config IRQ_TXX9 912 bool 913 914config IRQ_GT641XX 915 bool 916 917config IRQ_GIC 918 bool 919 920config IRQ_CPU_OCTEON 921 bool 922 923config MIPS_BOARDS_GEN 924 bool 925 926config PCI_GT64XXX_PCI0 927 bool 928 929config NO_EXCEPT_FILL 930 bool 931 932config MIPS_RM9122 933 bool 934 select SERIAL_RM9000 935 936config SOC_EMMA2RH 937 bool 938 select CEVT_R4K 939 select CSRC_R4K 940 select DMA_NONCOHERENT 941 select IRQ_CPU 942 select SWAP_IO_SPACE 943 select SYS_HAS_CPU_R5500 944 select SYS_SUPPORTS_32BIT_KERNEL 945 select SYS_SUPPORTS_64BIT_KERNEL 946 select SYS_SUPPORTS_BIG_ENDIAN 947 948config SOC_PNX833X 949 bool 950 select CEVT_R4K 951 select CSRC_R4K 952 select IRQ_CPU 953 select DMA_NONCOHERENT 954 select SYS_HAS_CPU_MIPS32_R2 955 select SYS_SUPPORTS_32BIT_KERNEL 956 select SYS_SUPPORTS_LITTLE_ENDIAN 957 select SYS_SUPPORTS_BIG_ENDIAN 958 select GENERIC_GPIO 959 select CPU_MIPSR2_IRQ_VI 960 961config SOC_PNX8335 962 bool 963 select SOC_PNX833X 964 965config PNX8550 966 bool 967 select SOC_PNX8550 968 969config SOC_PNX8550 970 bool 971 select DMA_NONCOHERENT 972 select HW_HAS_PCI 973 select SYS_HAS_CPU_MIPS32_R1 974 select SYS_HAS_EARLY_PRINTK 975 select SYS_SUPPORTS_32BIT_KERNEL 976 select GENERIC_GPIO 977 978config SWAP_IO_SPACE 979 bool 980 981config SERIAL_RM9000 982 bool 983 984config SGI_HAS_INDYDOG 985 bool 986 987config SGI_HAS_HAL2 988 bool 989 990config SGI_HAS_SEEQ 991 bool 992 993config SGI_HAS_WD93 994 bool 995 996config SGI_HAS_ZILOG 997 bool 998 999config SGI_HAS_I8042 1000 bool 1001 1002config DEFAULT_SGI_PARTITION 1003 bool 1004 1005config ARC32 1006 bool 1007 1008config SNIPROM 1009 bool 1010 1011config BOOT_ELF32 1012 bool 1013 1014config MIPS_L1_CACHE_SHIFT 1015 int 1016 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 1017 default "6" if MIPS_CPU_SCACHE 1018 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1019 default "5" 1020 1021config HAVE_STD_PC_SERIAL_PORT 1022 bool 1023 1024config ARC_CONSOLE 1025 bool "ARC console support" 1026 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1027 1028config ARC_MEMORY 1029 bool 1030 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1031 default y 1032 1033config ARC_PROMLIB 1034 bool 1035 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1036 default y 1037 1038config ARC64 1039 bool 1040 1041config BOOT_ELF64 1042 bool 1043 1044menu "CPU selection" 1045 1046choice 1047 prompt "CPU type" 1048 default CPU_R4X00 1049 1050config CPU_LOONGSON2E 1051 bool "Loongson 2E" 1052 depends on SYS_HAS_CPU_LOONGSON2E 1053 select CPU_LOONGSON2 1054 help 1055 The Loongson 2E processor implements the MIPS III instruction set 1056 with many extensions. 1057 1058config CPU_MIPS32_R1 1059 bool "MIPS32 Release 1" 1060 depends on SYS_HAS_CPU_MIPS32_R1 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_PREFETCH 1079 select CPU_SUPPORTS_32BIT_KERNEL 1080 select CPU_SUPPORTS_HIGHMEM 1081 help 1082 Choose this option to build a kernel for release 2 or later of the 1083 MIPS32 architecture. Most modern embedded systems with a 32-bit 1084 MIPS processor are based on a MIPS32 processor. If you know the 1085 specific type of processor in your system, choose those that one 1086 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1087 1088config CPU_MIPS64_R1 1089 bool "MIPS64 Release 1" 1090 depends on SYS_HAS_CPU_MIPS64_R1 1091 select CPU_HAS_PREFETCH 1092 select CPU_SUPPORTS_32BIT_KERNEL 1093 select CPU_SUPPORTS_64BIT_KERNEL 1094 select CPU_SUPPORTS_HIGHMEM 1095 select CPU_SUPPORTS_HUGEPAGES 1096 help 1097 Choose this option to build a kernel for release 1 or later of the 1098 MIPS64 architecture. Many modern embedded systems with a 64-bit 1099 MIPS processor are based on a MIPS64 processor. If you know the 1100 specific type of processor in your system, choose those that one 1101 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1102 Release 2 of the MIPS64 architecture is available since several 1103 years so chances are you even have a MIPS64 Release 2 processor 1104 in which case you should choose CPU_MIPS64_R2 instead for better 1105 performance. 1106 1107config CPU_MIPS64_R2 1108 bool "MIPS64 Release 2" 1109 depends on SYS_HAS_CPU_MIPS64_R2 1110 select CPU_HAS_PREFETCH 1111 select CPU_SUPPORTS_32BIT_KERNEL 1112 select CPU_SUPPORTS_64BIT_KERNEL 1113 select CPU_SUPPORTS_HIGHMEM 1114 select CPU_SUPPORTS_HUGEPAGES 1115 help 1116 Choose this option to build a kernel for release 2 or later of the 1117 MIPS64 architecture. Many modern embedded systems with a 64-bit 1118 MIPS processor are based on a MIPS64 processor. If you know the 1119 specific type of processor in your system, choose those that one 1120 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1121 1122config CPU_R3000 1123 bool "R3000" 1124 depends on SYS_HAS_CPU_R3000 1125 select CPU_HAS_WB 1126 select CPU_SUPPORTS_32BIT_KERNEL 1127 select CPU_SUPPORTS_HIGHMEM 1128 help 1129 Please make sure to pick the right CPU type. Linux/MIPS is not 1130 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1131 *not* work on R4000 machines and vice versa. However, since most 1132 of the supported machines have an R4000 (or similar) CPU, R4x00 1133 might be a safe bet. If the resulting kernel does not work, 1134 try to recompile with R3000. 1135 1136config CPU_TX39XX 1137 bool "R39XX" 1138 depends on SYS_HAS_CPU_TX39XX 1139 select CPU_SUPPORTS_32BIT_KERNEL 1140 1141config CPU_VR41XX 1142 bool "R41xx" 1143 depends on SYS_HAS_CPU_VR41XX 1144 select CPU_SUPPORTS_32BIT_KERNEL 1145 select CPU_SUPPORTS_64BIT_KERNEL 1146 help 1147 The options selects support for the NEC VR4100 series of processors. 1148 Only choose this option if you have one of these processors as a 1149 kernel built with this option will not run on any other type of 1150 processor or vice versa. 1151 1152config CPU_R4300 1153 bool "R4300" 1154 depends on SYS_HAS_CPU_R4300 1155 select CPU_SUPPORTS_32BIT_KERNEL 1156 select CPU_SUPPORTS_64BIT_KERNEL 1157 help 1158 MIPS Technologies R4300-series processors. 1159 1160config CPU_R4X00 1161 bool "R4x00" 1162 depends on SYS_HAS_CPU_R4X00 1163 select CPU_SUPPORTS_32BIT_KERNEL 1164 select CPU_SUPPORTS_64BIT_KERNEL 1165 help 1166 MIPS Technologies R4000-series processors other than 4300, including 1167 the R4000, R4400, R4600, and 4700. 1168 1169config CPU_TX49XX 1170 bool "R49XX" 1171 depends on SYS_HAS_CPU_TX49XX 1172 select CPU_HAS_PREFETCH 1173 select CPU_SUPPORTS_32BIT_KERNEL 1174 select CPU_SUPPORTS_64BIT_KERNEL 1175 1176config CPU_R5000 1177 bool "R5000" 1178 depends on SYS_HAS_CPU_R5000 1179 select CPU_SUPPORTS_32BIT_KERNEL 1180 select CPU_SUPPORTS_64BIT_KERNEL 1181 help 1182 MIPS Technologies R5000-series processors other than the Nevada. 1183 1184config CPU_R5432 1185 bool "R5432" 1186 depends on SYS_HAS_CPU_R5432 1187 select CPU_SUPPORTS_32BIT_KERNEL 1188 select CPU_SUPPORTS_64BIT_KERNEL 1189 1190config CPU_R5500 1191 bool "R5500" 1192 depends on SYS_HAS_CPU_R5500 1193 select CPU_SUPPORTS_32BIT_KERNEL 1194 select CPU_SUPPORTS_64BIT_KERNEL 1195 select CPU_SUPPORTS_HUGEPAGES 1196 help 1197 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1198 instruction set. 1199 1200config CPU_R6000 1201 bool "R6000" 1202 depends on EXPERIMENTAL 1203 depends on SYS_HAS_CPU_R6000 1204 select CPU_SUPPORTS_32BIT_KERNEL 1205 help 1206 MIPS Technologies R6000 and R6000A series processors. Note these 1207 processors are extremely rare and the support for them is incomplete. 1208 1209config CPU_NEVADA 1210 bool "RM52xx" 1211 depends on SYS_HAS_CPU_NEVADA 1212 select CPU_SUPPORTS_32BIT_KERNEL 1213 select CPU_SUPPORTS_64BIT_KERNEL 1214 help 1215 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1216 1217config CPU_R8000 1218 bool "R8000" 1219 depends on EXPERIMENTAL 1220 depends on SYS_HAS_CPU_R8000 1221 select CPU_HAS_PREFETCH 1222 select CPU_SUPPORTS_64BIT_KERNEL 1223 help 1224 MIPS Technologies R8000 processors. Note these processors are 1225 uncommon and the support for them is incomplete. 1226 1227config CPU_R10000 1228 bool "R10000" 1229 depends on SYS_HAS_CPU_R10000 1230 select CPU_HAS_PREFETCH 1231 select CPU_SUPPORTS_32BIT_KERNEL 1232 select CPU_SUPPORTS_64BIT_KERNEL 1233 select CPU_SUPPORTS_HIGHMEM 1234 help 1235 MIPS Technologies R10000-series processors. 1236 1237config CPU_RM7000 1238 bool "RM7000" 1239 depends on SYS_HAS_CPU_RM7000 1240 select CPU_HAS_PREFETCH 1241 select CPU_SUPPORTS_32BIT_KERNEL 1242 select CPU_SUPPORTS_64BIT_KERNEL 1243 select CPU_SUPPORTS_HIGHMEM 1244 1245config CPU_RM9000 1246 bool "RM9000" 1247 depends on SYS_HAS_CPU_RM9000 1248 select CPU_HAS_PREFETCH 1249 select CPU_SUPPORTS_32BIT_KERNEL 1250 select CPU_SUPPORTS_64BIT_KERNEL 1251 select CPU_SUPPORTS_HIGHMEM 1252 select WEAK_ORDERING 1253 1254config CPU_SB1 1255 bool "SB1" 1256 depends on SYS_HAS_CPU_SB1 1257 select CPU_SUPPORTS_32BIT_KERNEL 1258 select CPU_SUPPORTS_64BIT_KERNEL 1259 select CPU_SUPPORTS_HIGHMEM 1260 select WEAK_ORDERING 1261 1262config CPU_CAVIUM_OCTEON 1263 bool "Cavium Octeon processor" 1264 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1265 select IRQ_CPU 1266 select IRQ_CPU_OCTEON 1267 select CPU_HAS_PREFETCH 1268 select CPU_SUPPORTS_64BIT_KERNEL 1269 select SYS_SUPPORTS_SMP 1270 select NR_CPUS_DEFAULT_16 1271 select WEAK_ORDERING 1272 select WEAK_REORDERING_BEYOND_LLSC 1273 select CPU_SUPPORTS_HIGHMEM 1274 select CPU_SUPPORTS_HUGEPAGES 1275 help 1276 The Cavium Octeon processor is a highly integrated chip containing 1277 many ethernet hardware widgets for networking tasks. The processor 1278 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1279 Full details can be found at http://www.caviumnetworks.com. 1280 1281endchoice 1282 1283config CPU_LOONGSON2 1284 bool 1285 select CPU_SUPPORTS_32BIT_KERNEL 1286 select CPU_SUPPORTS_64BIT_KERNEL 1287 select CPU_SUPPORTS_HIGHMEM 1288 1289config SYS_HAS_CPU_LOONGSON2E 1290 bool 1291 1292config SYS_HAS_CPU_MIPS32_R1 1293 bool 1294 1295config SYS_HAS_CPU_MIPS32_R2 1296 bool 1297 1298config SYS_HAS_CPU_MIPS64_R1 1299 bool 1300 1301config SYS_HAS_CPU_MIPS64_R2 1302 bool 1303 1304config SYS_HAS_CPU_R3000 1305 bool 1306 1307config SYS_HAS_CPU_TX39XX 1308 bool 1309 1310config SYS_HAS_CPU_VR41XX 1311 bool 1312 1313config SYS_HAS_CPU_R4300 1314 bool 1315 1316config SYS_HAS_CPU_R4X00 1317 bool 1318 1319config SYS_HAS_CPU_TX49XX 1320 bool 1321 1322config SYS_HAS_CPU_R5000 1323 bool 1324 1325config SYS_HAS_CPU_R5432 1326 bool 1327 1328config SYS_HAS_CPU_R5500 1329 bool 1330 1331config SYS_HAS_CPU_R6000 1332 bool 1333 1334config SYS_HAS_CPU_NEVADA 1335 bool 1336 1337config SYS_HAS_CPU_R8000 1338 bool 1339 1340config SYS_HAS_CPU_R10000 1341 bool 1342 1343config SYS_HAS_CPU_RM7000 1344 bool 1345 1346config SYS_HAS_CPU_RM9000 1347 bool 1348 1349config SYS_HAS_CPU_SB1 1350 bool 1351 1352config SYS_HAS_CPU_CAVIUM_OCTEON 1353 bool 1354 1355# 1356# CPU may reorder R->R, R->W, W->R, W->W 1357# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1358# 1359config WEAK_ORDERING 1360 bool 1361 1362# 1363# CPU may reorder reads and writes beyond LL/SC 1364# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1365# 1366config WEAK_REORDERING_BEYOND_LLSC 1367 bool 1368endmenu 1369 1370# 1371# These two indicate any level of the MIPS32 and MIPS64 architecture 1372# 1373config CPU_MIPS32 1374 bool 1375 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1376 1377config CPU_MIPS64 1378 bool 1379 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1380 1381# 1382# These two indicate the revision of the architecture, either Release 1 or Release 2 1383# 1384config CPU_MIPSR1 1385 bool 1386 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1387 1388config CPU_MIPSR2 1389 bool 1390 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1391 1392config SYS_SUPPORTS_32BIT_KERNEL 1393 bool 1394config SYS_SUPPORTS_64BIT_KERNEL 1395 bool 1396config CPU_SUPPORTS_32BIT_KERNEL 1397 bool 1398config CPU_SUPPORTS_64BIT_KERNEL 1399 bool 1400config CPU_SUPPORTS_HUGEPAGES 1401 bool 1402 1403# 1404# Set to y for ptrace access to watch registers. 1405# 1406config HARDWARE_WATCHPOINTS 1407 bool 1408 default y if CPU_MIPSR1 || CPU_MIPSR2 1409 1410menu "Kernel type" 1411 1412choice 1413 1414 prompt "Kernel code model" 1415 help 1416 You should only select this option if you have a workload that 1417 actually benefits from 64-bit processing or if your machine has 1418 large memory. You will only be presented a single option in this 1419 menu if your system does not support both 32-bit and 64-bit kernels. 1420 1421config 32BIT 1422 bool "32-bit kernel" 1423 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1424 select TRAD_SIGNALS 1425 help 1426 Select this option if you want to build a 32-bit kernel. 1427config 64BIT 1428 bool "64-bit kernel" 1429 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1430 select HAVE_SYSCALL_WRAPPERS 1431 help 1432 Select this option if you want to build a 64-bit kernel. 1433 1434endchoice 1435 1436choice 1437 prompt "Kernel page size" 1438 default PAGE_SIZE_4KB 1439 1440config PAGE_SIZE_4KB 1441 bool "4kB" 1442 help 1443 This option select the standard 4kB Linux page size. On some 1444 R3000-family processors this is the only available page size. Using 1445 4kB page size will minimize memory consumption and is therefore 1446 recommended for low memory systems. 1447 1448config PAGE_SIZE_8KB 1449 bool "8kB" 1450 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 1451 help 1452 Using 8kB page size will result in higher performance kernel at 1453 the price of higher memory consumption. This option is available 1454 only on R8000 and cnMIPS processors. Note that you will need a 1455 suitable Linux distribution to support this. 1456 1457config PAGE_SIZE_16KB 1458 bool "16kB" 1459 depends on !CPU_R3000 && !CPU_TX39XX 1460 help 1461 Using 16kB page size will result in higher performance kernel at 1462 the price of higher memory consumption. This option is available on 1463 all non-R3000 family processors. Note that you will need a suitable 1464 Linux distribution to support this. 1465 1466config PAGE_SIZE_32KB 1467 bool "32kB" 1468 depends on CPU_CAVIUM_OCTEON 1469 help 1470 Using 32kB page size will result in higher performance kernel at 1471 the price of higher memory consumption. This option is available 1472 only on cnMIPS cores. Note that you will need a suitable Linux 1473 distribution to support this. 1474 1475config PAGE_SIZE_64KB 1476 bool "64kB" 1477 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1478 help 1479 Using 64kB page size will result in higher performance kernel at 1480 the price of higher memory consumption. This option is available on 1481 all non-R3000 family processor. Not that at the time of this 1482 writing this option is still high experimental. 1483 1484endchoice 1485 1486config BOARD_SCACHE 1487 bool 1488 1489config IP22_CPU_SCACHE 1490 bool 1491 select BOARD_SCACHE 1492 1493# 1494# Support for a MIPS32 / MIPS64 style S-caches 1495# 1496config MIPS_CPU_SCACHE 1497 bool 1498 select BOARD_SCACHE 1499 1500config R5000_CPU_SCACHE 1501 bool 1502 select BOARD_SCACHE 1503 1504config RM7000_CPU_SCACHE 1505 bool 1506 select BOARD_SCACHE 1507 1508config SIBYTE_DMA_PAGEOPS 1509 bool "Use DMA to clear/copy pages" 1510 depends on CPU_SB1 1511 help 1512 Instead of using the CPU to zero and copy pages, use a Data Mover 1513 channel. These DMA channels are otherwise unused by the standard 1514 SiByte Linux port. Seems to give a small performance benefit. 1515 1516config CPU_HAS_PREFETCH 1517 bool 1518 1519choice 1520 prompt "MIPS MT options" 1521 1522config MIPS_MT_DISABLED 1523 bool "Disable multithreading support." 1524 help 1525 Use this option if your workload can't take advantage of 1526 MIPS hardware multithreading support. On systems that don't have 1527 the option of an MT-enabled processor this option will be the only 1528 option in this menu. 1529 1530config MIPS_MT_SMP 1531 bool "Use 1 TC on each available VPE for SMP" 1532 depends on SYS_SUPPORTS_MULTITHREADING 1533 select CPU_MIPSR2_IRQ_VI 1534 select CPU_MIPSR2_IRQ_EI 1535 select MIPS_MT 1536 select NR_CPUS_DEFAULT_2 1537 select SMP 1538 select SYS_SUPPORTS_SCHED_SMT if SMP 1539 select SYS_SUPPORTS_SMP 1540 select SMP_UP 1541 help 1542 This is a kernel model which is also known a VSMP or lately 1543 has been marketesed into SMVP. 1544 1545config MIPS_MT_SMTC 1546 bool "SMTC: Use all TCs on all VPEs for SMP" 1547 depends on CPU_MIPS32_R2 1548 #depends on CPU_MIPS64_R2 # once there is hardware ... 1549 depends on SYS_SUPPORTS_MULTITHREADING 1550 select CPU_MIPSR2_IRQ_VI 1551 select CPU_MIPSR2_IRQ_EI 1552 select MIPS_MT 1553 select NR_CPUS_DEFAULT_8 1554 select SMP 1555 select SYS_SUPPORTS_SMP 1556 select SMP_UP 1557 help 1558 This is a kernel model which is known a SMTC or lately has been 1559 marketesed into SMVP. 1560 1561endchoice 1562 1563config MIPS_MT 1564 bool 1565 1566config SCHED_SMT 1567 bool "SMT (multithreading) scheduler support" 1568 depends on SYS_SUPPORTS_SCHED_SMT 1569 default n 1570 help 1571 SMT scheduler support improves the CPU scheduler's decision making 1572 when dealing with MIPS MT enabled cores at a cost of slightly 1573 increased overhead in some places. If unsure say N here. 1574 1575config SYS_SUPPORTS_SCHED_SMT 1576 bool 1577 1578 1579config SYS_SUPPORTS_MULTITHREADING 1580 bool 1581 1582config MIPS_MT_FPAFF 1583 bool "Dynamic FPU affinity for FP-intensive threads" 1584 default y 1585 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1586 1587config MIPS_VPE_LOADER 1588 bool "VPE loader support." 1589 depends on SYS_SUPPORTS_MULTITHREADING 1590 select CPU_MIPSR2_IRQ_VI 1591 select CPU_MIPSR2_IRQ_EI 1592 select MIPS_MT 1593 help 1594 Includes a loader for loading an elf relocatable object 1595 onto another VPE and running it. 1596 1597config MIPS_MT_SMTC_IM_BACKSTOP 1598 bool "Use per-TC register bits as backstop for inhibited IM bits" 1599 depends on MIPS_MT_SMTC 1600 default n 1601 help 1602 To support multiple TC microthreads acting as "CPUs" within 1603 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1604 during interrupt handling. To support legacy drivers and interrupt 1605 controller management code, SMTC has a "backstop" to track and 1606 if necessary restore the interrupt mask. This has some performance 1607 impact on interrupt service overhead. 1608 1609config MIPS_MT_SMTC_IRQAFF 1610 bool "Support IRQ affinity API" 1611 depends on MIPS_MT_SMTC 1612 default n 1613 help 1614 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1615 for SMTC Linux kernel. Requires platform support, of which 1616 an example can be found in the MIPS kernel i8259 and Malta 1617 platform code. Adds some overhead to interrupt dispatch, and 1618 should be used only if you know what you are doing. 1619 1620config MIPS_VPE_LOADER_TOM 1621 bool "Load VPE program into memory hidden from linux" 1622 depends on MIPS_VPE_LOADER 1623 default y 1624 help 1625 The loader can use memory that is present but has been hidden from 1626 Linux using the kernel command line option "mem=xxMB". It's up to 1627 you to ensure the amount you put in the option and the space your 1628 program requires is less or equal to the amount physically present. 1629 1630# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1631config MIPS_VPE_APSP_API 1632 bool "Enable support for AP/SP API (RTLX)" 1633 depends on MIPS_VPE_LOADER 1634 help 1635 1636config MIPS_APSP_KSPD 1637 bool "Enable KSPD" 1638 depends on MIPS_VPE_APSP_API 1639 default y 1640 help 1641 KSPD is a kernel daemon that accepts syscall requests from the SP 1642 side, actions them and returns the results. It also handles the 1643 "exit" syscall notifying other kernel modules the SP program is 1644 exiting. You probably want to say yes here. 1645 1646config MIPS_CMP 1647 bool "MIPS CMP framework support" 1648 depends on SYS_SUPPORTS_MIPS_CMP 1649 select SYNC_R4K 1650 select SYS_SUPPORTS_SMP 1651 select SYS_SUPPORTS_SCHED_SMT if SMP 1652 select WEAK_ORDERING 1653 default n 1654 help 1655 This is a placeholder option for the GCMP work. It will need to 1656 be handled differently... 1657 1658config SB1_PASS_1_WORKAROUNDS 1659 bool 1660 depends on CPU_SB1_PASS_1 1661 default y 1662 1663config SB1_PASS_2_WORKAROUNDS 1664 bool 1665 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1666 default y 1667 1668config SB1_PASS_2_1_WORKAROUNDS 1669 bool 1670 depends on CPU_SB1 && CPU_SB1_PASS_2 1671 default y 1672 1673config 64BIT_PHYS_ADDR 1674 bool 1675 1676config CPU_HAS_SMARTMIPS 1677 depends on SYS_SUPPORTS_SMARTMIPS 1678 bool "Support for the SmartMIPS ASE" 1679 help 1680 SmartMIPS is a extension of the MIPS32 architecture aimed at 1681 increased security at both hardware and software level for 1682 smartcards. Enabling this option will allow proper use of the 1683 SmartMIPS instructions by Linux applications. However a kernel with 1684 this option will not work on a MIPS core without SmartMIPS core. If 1685 you don't know you probably don't have SmartMIPS and should say N 1686 here. 1687 1688config CPU_HAS_WB 1689 bool 1690 1691# 1692# Vectored interrupt mode is an R2 feature 1693# 1694config CPU_MIPSR2_IRQ_VI 1695 bool 1696 1697# 1698# Extended interrupt mode is an R2 feature 1699# 1700config CPU_MIPSR2_IRQ_EI 1701 bool 1702 1703config CPU_HAS_SYNC 1704 bool 1705 depends on !CPU_R3000 1706 default y 1707 1708config GENERIC_CLOCKEVENTS_BROADCAST 1709 bool 1710 1711# 1712# CPU non-features 1713# 1714config CPU_DADDI_WORKAROUNDS 1715 bool 1716 1717config CPU_R4000_WORKAROUNDS 1718 bool 1719 select CPU_R4400_WORKAROUNDS 1720 1721config CPU_R4400_WORKAROUNDS 1722 bool 1723 1724# 1725# Use the generic interrupt handling code in kernel/irq/: 1726# 1727config GENERIC_HARDIRQS 1728 bool 1729 default y 1730 1731config GENERIC_IRQ_PROBE 1732 bool 1733 default y 1734 1735config IRQ_PER_CPU 1736 bool 1737 1738# 1739# - Highmem only makes sense for the 32-bit kernel. 1740# - The current highmem code will only work properly on physically indexed 1741# caches such as R3000, SB1, R7000 or those that look like they're virtually 1742# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1743# moment we protect the user and offer the highmem option only on machines 1744# where it's known to be safe. This will not offer highmem on a few systems 1745# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1746# indexed CPUs but we're playing safe. 1747# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1748# know they might have memory configurations that could make use of highmem 1749# support. 1750# 1751config HIGHMEM 1752 bool "High Memory Support" 1753 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1754 1755config CPU_SUPPORTS_HIGHMEM 1756 bool 1757 1758config SYS_SUPPORTS_HIGHMEM 1759 bool 1760 1761config SYS_SUPPORTS_SMARTMIPS 1762 bool 1763 1764config ARCH_FLATMEM_ENABLE 1765 def_bool y 1766 depends on !NUMA 1767 1768config ARCH_DISCONTIGMEM_ENABLE 1769 bool 1770 default y if SGI_IP27 1771 help 1772 Say Y to support efficient handling of discontiguous physical memory, 1773 for architectures which are either NUMA (Non-Uniform Memory Access) 1774 or have huge holes in the physical address space for other reasons. 1775 See <file:Documentation/vm/numa> for more. 1776 1777config ARCH_POPULATES_NODE_MAP 1778 def_bool y 1779 1780config ARCH_SPARSEMEM_ENABLE 1781 bool 1782 select SPARSEMEM_STATIC 1783 1784config NUMA 1785 bool "NUMA Support" 1786 depends on SYS_SUPPORTS_NUMA 1787 help 1788 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1789 Access). This option improves performance on systems with more 1790 than two nodes; on two node systems it is generally better to 1791 leave it disabled; on single node systems disable this option 1792 disabled. 1793 1794config SYS_SUPPORTS_NUMA 1795 bool 1796 1797config NODES_SHIFT 1798 int 1799 default "6" 1800 depends on NEED_MULTIPLE_NODES 1801 1802source "mm/Kconfig" 1803 1804config SMP 1805 bool "Multi-Processing support" 1806 depends on SYS_SUPPORTS_SMP 1807 select IRQ_PER_CPU 1808 select USE_GENERIC_SMP_HELPERS 1809 help 1810 This enables support for systems with more than one CPU. If you have 1811 a system with only one CPU, like most personal computers, say N. If 1812 you have a system with more than one CPU, say Y. 1813 1814 If you say N here, the kernel will run on single and multiprocessor 1815 machines, but will use only one CPU of a multiprocessor machine. If 1816 you say Y here, the kernel will run on many, but not all, 1817 singleprocessor machines. On a singleprocessor machine, the kernel 1818 will run faster if you say N here. 1819 1820 People using multiprocessor machines who say Y here should also say 1821 Y to "Enhanced Real Time Clock Support", below. 1822 1823 See also the SMP-HOWTO available at 1824 <http://www.tldp.org/docs.html#howto>. 1825 1826 If you don't know what to do here, say N. 1827 1828config SMP_UP 1829 bool 1830 1831config SYS_SUPPORTS_MIPS_CMP 1832 bool 1833 1834config SYS_SUPPORTS_SMP 1835 bool 1836 1837config NR_CPUS_DEFAULT_1 1838 bool 1839 1840config NR_CPUS_DEFAULT_2 1841 bool 1842 1843config NR_CPUS_DEFAULT_4 1844 bool 1845 1846config NR_CPUS_DEFAULT_8 1847 bool 1848 1849config NR_CPUS_DEFAULT_16 1850 bool 1851 1852config NR_CPUS_DEFAULT_32 1853 bool 1854 1855config NR_CPUS_DEFAULT_64 1856 bool 1857 1858config NR_CPUS 1859 int "Maximum number of CPUs (2-64)" 1860 range 1 64 if NR_CPUS_DEFAULT_1 1861 depends on SMP 1862 default "1" if NR_CPUS_DEFAULT_1 1863 default "2" if NR_CPUS_DEFAULT_2 1864 default "4" if NR_CPUS_DEFAULT_4 1865 default "8" if NR_CPUS_DEFAULT_8 1866 default "16" if NR_CPUS_DEFAULT_16 1867 default "32" if NR_CPUS_DEFAULT_32 1868 default "64" if NR_CPUS_DEFAULT_64 1869 help 1870 This allows you to specify the maximum number of CPUs which this 1871 kernel will support. The maximum supported value is 32 for 32-bit 1872 kernel and 64 for 64-bit kernels; the minimum value which makes 1873 sense is 1 for Qemu (useful only for kernel debugging purposes) 1874 and 2 for all others. 1875 1876 This is purely to save memory - each supported CPU adds 1877 approximately eight kilobytes to the kernel image. For best 1878 performance should round up your number of processors to the next 1879 power of two. 1880 1881source "kernel/time/Kconfig" 1882 1883# 1884# Timer Interrupt Frequency Configuration 1885# 1886 1887choice 1888 prompt "Timer frequency" 1889 default HZ_250 1890 help 1891 Allows the configuration of the timer frequency. 1892 1893 config HZ_48 1894 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1895 1896 config HZ_100 1897 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1898 1899 config HZ_128 1900 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1901 1902 config HZ_250 1903 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1904 1905 config HZ_256 1906 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1907 1908 config HZ_1000 1909 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1910 1911 config HZ_1024 1912 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1913 1914endchoice 1915 1916config SYS_SUPPORTS_48HZ 1917 bool 1918 1919config SYS_SUPPORTS_100HZ 1920 bool 1921 1922config SYS_SUPPORTS_128HZ 1923 bool 1924 1925config SYS_SUPPORTS_250HZ 1926 bool 1927 1928config SYS_SUPPORTS_256HZ 1929 bool 1930 1931config SYS_SUPPORTS_1000HZ 1932 bool 1933 1934config SYS_SUPPORTS_1024HZ 1935 bool 1936 1937config SYS_SUPPORTS_ARBIT_HZ 1938 bool 1939 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1940 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1941 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1942 !SYS_SUPPORTS_1024HZ 1943 1944config HZ 1945 int 1946 default 48 if HZ_48 1947 default 100 if HZ_100 1948 default 128 if HZ_128 1949 default 250 if HZ_250 1950 default 256 if HZ_256 1951 default 1000 if HZ_1000 1952 default 1024 if HZ_1024 1953 1954source "kernel/Kconfig.preempt" 1955 1956config MIPS_INSANE_LARGE 1957 bool "Support for large 64-bit configurations" 1958 depends on CPU_R10000 && 64BIT 1959 help 1960 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1961 previous 64-bit processors which only supported 40 bit / 1TB. If you 1962 need processes of more than 1TB virtual address space, say Y here. 1963 This will result in additional memory usage, so it is not 1964 recommended for normal users. 1965 1966config KEXEC 1967 bool "Kexec system call (EXPERIMENTAL)" 1968 depends on EXPERIMENTAL 1969 help 1970 kexec is a system call that implements the ability to shutdown your 1971 current kernel, and to start another kernel. It is like a reboot 1972 but it is independent of the system firmware. And like a reboot 1973 you can start any kernel with it, not just Linux. 1974 1975 The name comes from the similarity to the exec system call. 1976 1977 It is an ongoing process to be certain the hardware in a machine 1978 is properly shutdown, so do not be surprised if this code does not 1979 initially work for you. It may help to enable device hotplugging 1980 support. As of this writing the exact hardware interface is 1981 strongly in flux, so no good recommendation can be made. 1982 1983config SECCOMP 1984 bool "Enable seccomp to safely compute untrusted bytecode" 1985 depends on PROC_FS 1986 default y 1987 help 1988 This kernel feature is useful for number crunching applications 1989 that may need to compute untrusted bytecode during their 1990 execution. By using pipes or other transports made available to 1991 the process as file descriptors supporting the read/write 1992 syscalls, it's possible to isolate those applications in 1993 their own address space using seccomp. Once seccomp is 1994 enabled via /proc/<pid>/seccomp, it cannot be disabled 1995 and the task is only allowed to execute a few safe syscalls 1996 defined by each seccomp mode. 1997 1998 If unsure, say Y. Only embedded should say N here. 1999 2000endmenu 2001 2002config LOCKDEP_SUPPORT 2003 bool 2004 default y 2005 2006config STACKTRACE_SUPPORT 2007 bool 2008 default y 2009 2010source "init/Kconfig" 2011 2012config PROBE_INITRD_HEADER 2013 bool "Probe initrd header created by addinitrd" 2014 depends on BLK_DEV_INITRD 2015 help 2016 Probe initrd header at the last page of kernel image. 2017 Say Y here if you are using arch/mips/boot/addinitrd.c to 2018 add initrd or initramfs image to the kernel image. 2019 Otherwise, say N. 2020 2021source "kernel/Kconfig.freezer" 2022 2023menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2024 2025config HW_HAS_EISA 2026 bool 2027config HW_HAS_PCI 2028 bool 2029 2030config PCI 2031 bool "Support for PCI controller" 2032 depends on HW_HAS_PCI 2033 select PCI_DOMAINS 2034 help 2035 Find out whether you have a PCI motherboard. PCI is the name of a 2036 bus system, i.e. the way the CPU talks to the other stuff inside 2037 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2038 say Y, otherwise N. 2039 2040config PCI_DOMAINS 2041 bool 2042 2043source "drivers/pci/Kconfig" 2044 2045# 2046# ISA support is now enabled via select. Too many systems still have the one 2047# or other ISA chip on the board that users don't know about so don't expect 2048# users to choose the right thing ... 2049# 2050config ISA 2051 bool 2052 2053config EISA 2054 bool "EISA support" 2055 depends on HW_HAS_EISA 2056 select ISA 2057 select GENERIC_ISA_DMA 2058 ---help--- 2059 The Extended Industry Standard Architecture (EISA) bus was 2060 developed as an open alternative to the IBM MicroChannel bus. 2061 2062 The EISA bus provided some of the features of the IBM MicroChannel 2063 bus while maintaining backward compatibility with cards made for 2064 the older ISA bus. The EISA bus saw limited use between 1988 and 2065 1995 when it was made obsolete by the PCI bus. 2066 2067 Say Y here if you are building a kernel for an EISA-based machine. 2068 2069 Otherwise, say N. 2070 2071source "drivers/eisa/Kconfig" 2072 2073config TC 2074 bool "TURBOchannel support" 2075 depends on MACH_DECSTATION 2076 help 2077 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2078 processors. Documentation on writing device drivers for TurboChannel 2079 is available at: 2080 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2081 2082#config ACCESSBUS 2083# bool "Access.Bus support" 2084# depends on TC 2085 2086config MMU 2087 bool 2088 default y 2089 2090config I8253 2091 bool 2092 2093config ZONE_DMA32 2094 bool 2095 2096source "drivers/pcmcia/Kconfig" 2097 2098source "drivers/pci/hotplug/Kconfig" 2099 2100endmenu 2101 2102menu "Executable file formats" 2103 2104source "fs/Kconfig.binfmt" 2105 2106config TRAD_SIGNALS 2107 bool 2108 2109config MIPS32_COMPAT 2110 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2111 depends on 64BIT 2112 help 2113 Select this option if you want Linux/MIPS 32-bit binary 2114 compatibility. Since all software available for Linux/MIPS is 2115 currently 32-bit you should say Y here. 2116 2117config COMPAT 2118 bool 2119 depends on MIPS32_COMPAT 2120 default y 2121 2122config SYSVIPC_COMPAT 2123 bool 2124 depends on COMPAT && SYSVIPC 2125 default y 2126 2127config MIPS32_O32 2128 bool "Kernel support for o32 binaries" 2129 depends on MIPS32_COMPAT 2130 help 2131 Select this option if you want to run o32 binaries. These are pure 2132 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2133 existing binaries are in this format. 2134 2135 If unsure, say Y. 2136 2137config MIPS32_N32 2138 bool "Kernel support for n32 binaries" 2139 depends on MIPS32_COMPAT 2140 help 2141 Select this option if you want to run n32 binaries. These are 2142 64-bit binaries using 32-bit quantities for addressing and certain 2143 data that would normally be 64-bit. They are used in special 2144 cases. 2145 2146 If unsure, say N. 2147 2148config BINFMT_ELF32 2149 bool 2150 default y if MIPS32_O32 || MIPS32_N32 2151 2152endmenu 2153 2154menu "Power management options" 2155 2156config ARCH_HIBERNATION_POSSIBLE 2157 def_bool y 2158 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2159 2160config ARCH_SUSPEND_POSSIBLE 2161 def_bool y 2162 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2163 2164source "kernel/power/Kconfig" 2165 2166endmenu 2167 2168source "net/Kconfig" 2169 2170source "drivers/Kconfig" 2171 2172source "fs/Kconfig" 2173 2174source "arch/mips/Kconfig.debug" 2175 2176source "security/Kconfig" 2177 2178source "crypto/Kconfig" 2179 2180source "lib/Kconfig" 2181