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 MIPS_COBALT 84 bool "Cobalt Server" 85 select CEVT_R4K 86 select CSRC_R4K 87 select CEVT_GT641XX 88 select DMA_NONCOHERENT 89 select HW_HAS_PCI 90 select I8253 91 select I8259 92 select IRQ_CPU 93 select IRQ_GT641XX 94 select PCI_GT64XXX_PCI0 95 select PCI 96 select SYS_HAS_CPU_NEVADA 97 select SYS_HAS_EARLY_PRINTK 98 select SYS_SUPPORTS_32BIT_KERNEL 99 select SYS_SUPPORTS_64BIT_KERNEL 100 select SYS_SUPPORTS_LITTLE_ENDIAN 101 102config MACH_DECSTATION 103 bool "DECstations" 104 select BOOT_ELF32 105 select CEVT_DS1287 106 select CEVT_R4K 107 select CSRC_IOASIC 108 select CSRC_R4K 109 select CPU_DADDI_WORKAROUNDS if 64BIT 110 select CPU_R4000_WORKAROUNDS if 64BIT 111 select CPU_R4400_WORKAROUNDS if 64BIT 112 select DMA_NONCOHERENT 113 select NO_IOPORT 114 select IRQ_CPU 115 select SYS_HAS_CPU_R3000 116 select SYS_HAS_CPU_R4X00 117 select SYS_SUPPORTS_32BIT_KERNEL 118 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 119 select SYS_SUPPORTS_LITTLE_ENDIAN 120 select SYS_SUPPORTS_128HZ 121 select SYS_SUPPORTS_256HZ 122 select SYS_SUPPORTS_1024HZ 123 help 124 This enables support for DEC's MIPS based workstations. For details 125 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 126 DECstation porting pages on <http://decstation.unix-ag.org/>. 127 128 If you have one of the following DECstation Models you definitely 129 want to choose R4xx0 for the CPU Type: 130 131 DECstation 5000/50 132 DECstation 5000/150 133 DECstation 5000/260 134 DECsystem 5900/260 135 136 otherwise choose R3000. 137 138config MACH_JAZZ 139 bool "Jazz family of machines" 140 select ARC 141 select ARC32 142 select ARCH_MAY_HAVE_PC_FDC 143 select CEVT_R4K 144 select CSRC_R4K 145 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 146 select GENERIC_ISA_DMA 147 select IRQ_CPU 148 select I8253 149 select I8259 150 select ISA 151 select SYS_HAS_CPU_R4X00 152 select SYS_SUPPORTS_32BIT_KERNEL 153 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 154 select SYS_SUPPORTS_100HZ 155 help 156 This a family of machines based on the MIPS R4030 chipset which was 157 used by several vendors to build RISC/os and Windows NT workstations. 158 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 159 Olivetti M700-10 workstations. 160 161config LASAT 162 bool "LASAT Networks platforms" 163 select CEVT_R4K 164 select CSRC_R4K 165 select DMA_NONCOHERENT 166 select SYS_HAS_EARLY_PRINTK 167 select HW_HAS_PCI 168 select IRQ_CPU 169 select PCI_GT64XXX_PCI0 170 select MIPS_NILE4 171 select R5000_CPU_SCACHE 172 select SYS_HAS_CPU_R5000 173 select SYS_SUPPORTS_32BIT_KERNEL 174 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 175 select SYS_SUPPORTS_LITTLE_ENDIAN 176 177config MACH_LOONGSON 178 bool "Loongson family of machines" 179 help 180 This enables the support of Loongson family of machines. 181 182 Loongson is a family of general-purpose MIPS-compatible CPUs. 183 developed at Institute of Computing Technology (ICT), 184 Chinese Academy of Sciences (CAS) in the People's Republic 185 of China. The chief architect is Professor Weiwu Hu. 186 187config MIPS_MALTA 188 bool "MIPS Malta board" 189 select ARCH_MAY_HAVE_PC_FDC 190 select BOOT_ELF32 191 select BOOT_RAW 192 select CEVT_R4K 193 select CSRC_R4K 194 select DMA_NONCOHERENT 195 select GENERIC_ISA_DMA 196 select IRQ_CPU 197 select IRQ_GIC 198 select HW_HAS_PCI 199 select I8253 200 select I8259 201 select MIPS_BOARDS_GEN 202 select MIPS_BONITO64 203 select MIPS_CPU_SCACHE 204 select PCI_GT64XXX_PCI0 205 select MIPS_MSC 206 select SWAP_IO_SPACE 207 select SYS_HAS_CPU_MIPS32_R1 208 select SYS_HAS_CPU_MIPS32_R2 209 select SYS_HAS_CPU_MIPS64_R1 210 select SYS_HAS_CPU_NEVADA 211 select SYS_HAS_CPU_RM7000 212 select SYS_HAS_EARLY_PRINTK 213 select SYS_SUPPORTS_32BIT_KERNEL 214 select SYS_SUPPORTS_64BIT_KERNEL 215 select SYS_SUPPORTS_BIG_ENDIAN 216 select SYS_SUPPORTS_LITTLE_ENDIAN 217 select SYS_SUPPORTS_MIPS_CMP 218 select SYS_SUPPORTS_MULTITHREADING 219 select SYS_SUPPORTS_SMARTMIPS 220 help 221 This enables support for the MIPS Technologies Malta evaluation 222 board. 223 224config MIPS_SIM 225 bool 'MIPS simulator (MIPSsim)' 226 select CEVT_R4K 227 select CSRC_R4K 228 select DMA_NONCOHERENT 229 select SYS_HAS_EARLY_PRINTK 230 select IRQ_CPU 231 select BOOT_RAW 232 select SYS_HAS_CPU_MIPS32_R1 233 select SYS_HAS_CPU_MIPS32_R2 234 select SYS_HAS_EARLY_PRINTK 235 select SYS_SUPPORTS_32BIT_KERNEL 236 select SYS_SUPPORTS_BIG_ENDIAN 237 select SYS_SUPPORTS_MULTITHREADING 238 select SYS_SUPPORTS_LITTLE_ENDIAN 239 help 240 This option enables support for MIPS Technologies MIPSsim software 241 emulator. 242 243config NEC_MARKEINS 244 bool "NEC EMMA2RH Mark-eins board" 245 select SOC_EMMA2RH 246 select HW_HAS_PCI 247 help 248 This enables support for the NEC Electronics Mark-eins boards. 249 250config MACH_VR41XX 251 bool "NEC VR4100 series based machines" 252 select CEVT_R4K 253 select CSRC_R4K 254 select SYS_HAS_CPU_VR41XX 255 select ARCH_REQUIRE_GPIOLIB 256 257config NXP_STB220 258 bool "NXP STB220 board" 259 select SOC_PNX833X 260 help 261 Support for NXP Semiconductors STB220 Development Board. 262 263config NXP_STB225 264 bool "NXP 225 board" 265 select SOC_PNX833X 266 select SOC_PNX8335 267 help 268 Support for NXP Semiconductors STB225 Development Board. 269 270config PNX8550_JBS 271 bool "NXP PNX8550 based JBS board" 272 select PNX8550 273 select SYS_SUPPORTS_LITTLE_ENDIAN 274 275config PNX8550_STB810 276 bool "NXP PNX8550 based STB810 board" 277 select PNX8550 278 select SYS_SUPPORTS_LITTLE_ENDIAN 279 280config PMC_MSP 281 bool "PMC-Sierra MSP chipsets" 282 depends on EXPERIMENTAL 283 select DMA_NONCOHERENT 284 select SWAP_IO_SPACE 285 select NO_EXCEPT_FILL 286 select BOOT_RAW 287 select SYS_HAS_CPU_MIPS32_R1 288 select SYS_HAS_CPU_MIPS32_R2 289 select SYS_SUPPORTS_32BIT_KERNEL 290 select SYS_SUPPORTS_BIG_ENDIAN 291 select IRQ_CPU 292 select SERIAL_8250 293 select SERIAL_8250_CONSOLE 294 help 295 This adds support for the PMC-Sierra family of Multi-Service 296 Processor System-On-A-Chips. These parts include a number 297 of integrated peripherals, interfaces and DSPs in addition to 298 a variety of MIPS cores. 299 300config PMC_YOSEMITE 301 bool "PMC-Sierra Yosemite eval board" 302 select CEVT_R4K 303 select CSRC_R4K 304 select DMA_COHERENT 305 select HW_HAS_PCI 306 select IRQ_CPU 307 select IRQ_CPU_RM7K 308 select IRQ_CPU_RM9K 309 select SWAP_IO_SPACE 310 select SYS_HAS_CPU_RM9000 311 select SYS_HAS_EARLY_PRINTK 312 select SYS_SUPPORTS_32BIT_KERNEL 313 select SYS_SUPPORTS_64BIT_KERNEL 314 select SYS_SUPPORTS_BIG_ENDIAN 315 select SYS_SUPPORTS_HIGHMEM 316 select SYS_SUPPORTS_SMP 317 help 318 Yosemite is an evaluation board for the RM9000x2 processor 319 manufactured by PMC-Sierra. 320 321config SGI_IP22 322 bool "SGI IP22 (Indy/Indigo2)" 323 select ARC 324 select ARC32 325 select BOOT_ELF32 326 select CEVT_R4K 327 select CSRC_R4K 328 select DEFAULT_SGI_PARTITION 329 select DMA_NONCOHERENT 330 select HW_HAS_EISA 331 select I8253 332 select I8259 333 select IP22_CPU_SCACHE 334 select IRQ_CPU 335 select GENERIC_ISA_DMA_SUPPORT_BROKEN 336 select SGI_HAS_I8042 337 select SGI_HAS_INDYDOG 338 select SGI_HAS_HAL2 339 select SGI_HAS_SEEQ 340 select SGI_HAS_WD93 341 select SGI_HAS_ZILOG 342 select SWAP_IO_SPACE 343 select SYS_HAS_CPU_R4X00 344 select SYS_HAS_CPU_R5000 345 select SYS_HAS_EARLY_PRINTK 346 select SYS_SUPPORTS_32BIT_KERNEL 347 select SYS_SUPPORTS_64BIT_KERNEL 348 select SYS_SUPPORTS_BIG_ENDIAN 349 help 350 This are the SGI Indy, Challenge S and Indigo2, as well as certain 351 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 352 that runs on these, say Y here. 353 354config SGI_IP27 355 bool "SGI IP27 (Origin200/2000)" 356 select ARC 357 select ARC64 358 select BOOT_ELF64 359 select DEFAULT_SGI_PARTITION 360 select DMA_COHERENT 361 select SYS_HAS_EARLY_PRINTK 362 select HW_HAS_PCI 363 select NR_CPUS_DEFAULT_64 364 select SYS_HAS_CPU_R10000 365 select SYS_SUPPORTS_64BIT_KERNEL 366 select SYS_SUPPORTS_BIG_ENDIAN 367 select SYS_SUPPORTS_NUMA 368 select SYS_SUPPORTS_SMP 369 help 370 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 371 workstations. To compile a Linux kernel that runs on these, say Y 372 here. 373 374config SGI_IP28 375 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 376 depends on EXPERIMENTAL 377 select ARC 378 select ARC64 379 select BOOT_ELF64 380 select CEVT_R4K 381 select CSRC_R4K 382 select DEFAULT_SGI_PARTITION 383 select DMA_NONCOHERENT 384 select GENERIC_ISA_DMA_SUPPORT_BROKEN 385 select IRQ_CPU 386 select HW_HAS_EISA 387 select I8253 388 select I8259 389 select SGI_HAS_I8042 390 select SGI_HAS_INDYDOG 391 select SGI_HAS_HAL2 392 select SGI_HAS_SEEQ 393 select SGI_HAS_WD93 394 select SGI_HAS_ZILOG 395 select SWAP_IO_SPACE 396 select SYS_HAS_CPU_R10000 397 select SYS_HAS_EARLY_PRINTK 398 select SYS_SUPPORTS_64BIT_KERNEL 399 select SYS_SUPPORTS_BIG_ENDIAN 400 help 401 This is the SGI Indigo2 with R10000 processor. To compile a Linux 402 kernel that runs on these, say Y here. 403 404config SGI_IP32 405 bool "SGI IP32 (O2)" 406 select ARC 407 select ARC32 408 select BOOT_ELF32 409 select CEVT_R4K 410 select CSRC_R4K 411 select DMA_NONCOHERENT 412 select HW_HAS_PCI 413 select IRQ_CPU 414 select R5000_CPU_SCACHE 415 select RM7000_CPU_SCACHE 416 select SYS_HAS_CPU_R5000 417 select SYS_HAS_CPU_R10000 if BROKEN 418 select SYS_HAS_CPU_RM7000 419 select SYS_HAS_CPU_NEVADA 420 select SYS_SUPPORTS_64BIT_KERNEL 421 select SYS_SUPPORTS_BIG_ENDIAN 422 help 423 If you want this kernel to run on SGI O2 workstation, say Y here. 424 425config SIBYTE_CRHINE 426 bool "Sibyte BCM91120C-CRhine" 427 depends on EXPERIMENTAL 428 select BOOT_ELF32 429 select DMA_COHERENT 430 select SIBYTE_BCM1120 431 select SWAP_IO_SPACE 432 select SYS_HAS_CPU_SB1 433 select SYS_SUPPORTS_BIG_ENDIAN 434 select SYS_SUPPORTS_LITTLE_ENDIAN 435 436config SIBYTE_CARMEL 437 bool "Sibyte BCM91120x-Carmel" 438 depends on EXPERIMENTAL 439 select BOOT_ELF32 440 select DMA_COHERENT 441 select SIBYTE_BCM1120 442 select SWAP_IO_SPACE 443 select SYS_HAS_CPU_SB1 444 select SYS_SUPPORTS_BIG_ENDIAN 445 select SYS_SUPPORTS_LITTLE_ENDIAN 446 447config SIBYTE_CRHONE 448 bool "Sibyte BCM91125C-CRhone" 449 depends on EXPERIMENTAL 450 select BOOT_ELF32 451 select DMA_COHERENT 452 select SIBYTE_BCM1125 453 select SWAP_IO_SPACE 454 select SYS_HAS_CPU_SB1 455 select SYS_SUPPORTS_BIG_ENDIAN 456 select SYS_SUPPORTS_HIGHMEM 457 select SYS_SUPPORTS_LITTLE_ENDIAN 458 459config SIBYTE_RHONE 460 bool "Sibyte BCM91125E-Rhone" 461 depends on EXPERIMENTAL 462 select BOOT_ELF32 463 select DMA_COHERENT 464 select SIBYTE_BCM1125H 465 select SWAP_IO_SPACE 466 select SYS_HAS_CPU_SB1 467 select SYS_SUPPORTS_BIG_ENDIAN 468 select SYS_SUPPORTS_LITTLE_ENDIAN 469 470config SIBYTE_SWARM 471 bool "Sibyte BCM91250A-SWARM" 472 select BOOT_ELF32 473 select DMA_COHERENT 474 select NR_CPUS_DEFAULT_2 475 select SIBYTE_SB1250 476 select SWAP_IO_SPACE 477 select SYS_HAS_CPU_SB1 478 select SYS_SUPPORTS_BIG_ENDIAN 479 select SYS_SUPPORTS_HIGHMEM 480 select SYS_SUPPORTS_LITTLE_ENDIAN 481 select ZONE_DMA32 if 64BIT 482 483config SIBYTE_LITTLESUR 484 bool "Sibyte BCM91250C2-LittleSur" 485 depends on EXPERIMENTAL 486 select BOOT_ELF32 487 select DMA_COHERENT 488 select NR_CPUS_DEFAULT_2 489 select SIBYTE_SB1250 490 select SWAP_IO_SPACE 491 select SYS_HAS_CPU_SB1 492 select SYS_SUPPORTS_BIG_ENDIAN 493 select SYS_SUPPORTS_HIGHMEM 494 select SYS_SUPPORTS_LITTLE_ENDIAN 495 496config SIBYTE_SENTOSA 497 bool "Sibyte BCM91250E-Sentosa" 498 depends on EXPERIMENTAL 499 select BOOT_ELF32 500 select DMA_COHERENT 501 select NR_CPUS_DEFAULT_2 502 select SIBYTE_SB1250 503 select SWAP_IO_SPACE 504 select SYS_HAS_CPU_SB1 505 select SYS_SUPPORTS_BIG_ENDIAN 506 select SYS_SUPPORTS_LITTLE_ENDIAN 507 508config SIBYTE_BIGSUR 509 bool "Sibyte BCM91480B-BigSur" 510 select BOOT_ELF32 511 select DMA_COHERENT 512 select NR_CPUS_DEFAULT_4 513 select SIBYTE_BCM1x80 514 select SWAP_IO_SPACE 515 select SYS_HAS_CPU_SB1 516 select SYS_SUPPORTS_BIG_ENDIAN 517 select SYS_SUPPORTS_HIGHMEM 518 select SYS_SUPPORTS_LITTLE_ENDIAN 519 select ZONE_DMA32 if 64BIT 520 521config SNI_RM 522 bool "SNI RM200/300/400" 523 select ARC if CPU_LITTLE_ENDIAN 524 select ARC32 if CPU_LITTLE_ENDIAN 525 select SNIPROM if CPU_BIG_ENDIAN 526 select ARCH_MAY_HAVE_PC_FDC 527 select BOOT_ELF32 528 select CEVT_R4K 529 select CSRC_R4K 530 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 531 select DMA_NONCOHERENT 532 select GENERIC_ISA_DMA 533 select HW_HAS_EISA 534 select HW_HAS_PCI 535 select IRQ_CPU 536 select I8253 537 select I8259 538 select ISA 539 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 540 select SYS_HAS_CPU_R4X00 541 select SYS_HAS_CPU_R5000 542 select SYS_HAS_CPU_R10000 543 select R5000_CPU_SCACHE 544 select SYS_HAS_EARLY_PRINTK 545 select SYS_SUPPORTS_32BIT_KERNEL 546 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 547 select SYS_SUPPORTS_BIG_ENDIAN 548 select SYS_SUPPORTS_HIGHMEM 549 select SYS_SUPPORTS_LITTLE_ENDIAN 550 help 551 The SNI RM200/300/400 are MIPS-based machines manufactured by 552 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 553 Technology and now in turn merged with Fujitsu. Say Y here to 554 support this machine type. 555 556config MACH_TX39XX 557 bool "Toshiba TX39 series based machines" 558 559config MACH_TX49XX 560 bool "Toshiba TX49 series based machines" 561 562config MIKROTIK_RB532 563 bool "Mikrotik RB532 boards" 564 select CEVT_R4K 565 select CSRC_R4K 566 select DMA_NONCOHERENT 567 select HW_HAS_PCI 568 select IRQ_CPU 569 select SYS_HAS_CPU_MIPS32_R1 570 select SYS_SUPPORTS_32BIT_KERNEL 571 select SYS_SUPPORTS_LITTLE_ENDIAN 572 select SWAP_IO_SPACE 573 select BOOT_RAW 574 select ARCH_REQUIRE_GPIOLIB 575 help 576 Support the Mikrotik(tm) RouterBoard 532 series, 577 based on the IDT RC32434 SoC. 578 579config WR_PPMC 580 bool "Wind River PPMC board" 581 select CEVT_R4K 582 select CSRC_R4K 583 select IRQ_CPU 584 select BOOT_ELF32 585 select DMA_NONCOHERENT 586 select HW_HAS_PCI 587 select PCI_GT64XXX_PCI0 588 select SWAP_IO_SPACE 589 select SYS_HAS_CPU_MIPS32_R1 590 select SYS_HAS_CPU_MIPS32_R2 591 select SYS_HAS_CPU_MIPS64_R1 592 select SYS_HAS_CPU_NEVADA 593 select SYS_HAS_CPU_RM7000 594 select SYS_SUPPORTS_32BIT_KERNEL 595 select SYS_SUPPORTS_64BIT_KERNEL 596 select SYS_SUPPORTS_BIG_ENDIAN 597 select SYS_SUPPORTS_LITTLE_ENDIAN 598 help 599 This enables support for the Wind River MIPS32 4KC PPMC evaluation 600 board, which is based on GT64120 bridge chip. 601 602config CAVIUM_OCTEON_SIMULATOR 603 bool "Cavium Networks Octeon Simulator" 604 select CEVT_R4K 605 select 64BIT_PHYS_ADDR 606 select DMA_COHERENT 607 select SYS_SUPPORTS_64BIT_KERNEL 608 select SYS_SUPPORTS_BIG_ENDIAN 609 select SYS_SUPPORTS_HIGHMEM 610 select SYS_SUPPORTS_HOTPLUG_CPU 611 select SYS_HAS_CPU_CAVIUM_OCTEON 612 help 613 The Octeon simulator is software performance model of the Cavium 614 Octeon Processor. It supports simulating Octeon processors on x86 615 hardware. 616 617config CAVIUM_OCTEON_REFERENCE_BOARD 618 bool "Cavium Networks Octeon reference board" 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_EARLY_PRINTK 627 select SYS_HAS_CPU_CAVIUM_OCTEON 628 select SWAP_IO_SPACE 629 select HW_HAS_PCI 630 select ARCH_SUPPORTS_MSI 631 help 632 This option supports all of the Octeon reference boards from Cavium 633 Networks. It builds a kernel that dynamically determines the Octeon 634 CPU type and supports all known board reference implementations. 635 Some of the supported boards are: 636 EBT3000 637 EBH3000 638 EBH3100 639 Thunder 640 Kodama 641 Hikari 642 Say Y here for most Octeon reference boards. 643 644endchoice 645 646source "arch/mips/alchemy/Kconfig" 647source "arch/mips/basler/excite/Kconfig" 648source "arch/mips/jazz/Kconfig" 649source "arch/mips/lasat/Kconfig" 650source "arch/mips/pmc-sierra/Kconfig" 651source "arch/mips/sgi-ip27/Kconfig" 652source "arch/mips/sibyte/Kconfig" 653source "arch/mips/txx9/Kconfig" 654source "arch/mips/vr41xx/Kconfig" 655source "arch/mips/cavium-octeon/Kconfig" 656source "arch/mips/loongson/Kconfig" 657 658endmenu 659 660config RWSEM_GENERIC_SPINLOCK 661 bool 662 default y 663 664config RWSEM_XCHGADD_ALGORITHM 665 bool 666 667config ARCH_HAS_ILOG2_U32 668 bool 669 default n 670 671config ARCH_HAS_ILOG2_U64 672 bool 673 default n 674 675config ARCH_SUPPORTS_OPROFILE 676 bool 677 default y if !MIPS_MT_SMTC 678 679config GENERIC_FIND_NEXT_BIT 680 bool 681 default y 682 683config GENERIC_HWEIGHT 684 bool 685 default y 686 687config GENERIC_CALIBRATE_DELAY 688 bool 689 default y 690 691config GENERIC_CLOCKEVENTS 692 bool 693 default y 694 695config GENERIC_TIME 696 bool 697 default y 698 699config GENERIC_CMOS_UPDATE 700 bool 701 default y 702 703config SCHED_OMIT_FRAME_POINTER 704 bool 705 default y 706 707config GENERIC_HARDIRQS_NO__DO_IRQ 708 def_bool y 709 710# 711# Select some configuration options automatically based on user selections. 712# 713config ARC 714 bool 715 716config ARCH_MAY_HAVE_PC_FDC 717 bool 718 719config BOOT_RAW 720 bool 721 722config CEVT_BCM1480 723 bool 724 725config CEVT_DS1287 726 bool 727 728config CEVT_GT641XX 729 bool 730 731config CEVT_R4K_LIB 732 bool 733 734config CEVT_R4K 735 select CEVT_R4K_LIB 736 bool 737 738config CEVT_SB1250 739 bool 740 741config CEVT_TXX9 742 bool 743 744config CSRC_BCM1480 745 bool 746 747config CSRC_IOASIC 748 bool 749 750config CSRC_R4K_LIB 751 bool 752 753config CSRC_R4K 754 select CSRC_R4K_LIB 755 bool 756 757config CSRC_SB1250 758 bool 759 760config GPIO_TXX9 761 select GENERIC_GPIO 762 select ARCH_REQUIRE_GPIOLIB 763 bool 764 765config CFE 766 bool 767 768config DMA_COHERENT 769 bool 770 771config DMA_NONCOHERENT 772 bool 773 select DMA_NEED_PCI_MAP_STATE 774 775config DMA_NEED_PCI_MAP_STATE 776 bool 777 778config EARLY_PRINTK 779 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 780 depends on SYS_HAS_EARLY_PRINTK 781 default y 782 help 783 This option enables special console drivers which allow the kernel 784 to print messages very early in the bootup process. 785 786 This is useful for kernel debugging when your machine crashes very 787 early before the console code is initialized. For normal operation, 788 it is not recommended because it looks ugly on some machines and 789 doesn't cooperate with an X server. You should normally say N here, 790 unless you want to debug such a crash. 791 792config SYS_HAS_EARLY_PRINTK 793 bool 794 795config HOTPLUG_CPU 796 bool "Support for hot-pluggable CPUs" 797 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 798 help 799 Say Y here to allow turning CPUs off and on. CPUs can be 800 controlled through /sys/devices/system/cpu. 801 (Note: power management support will enable this option 802 automatically on SMP systems. ) 803 Say N if you want to disable CPU hotplug. 804 805config SYS_SUPPORTS_HOTPLUG_CPU 806 bool 807 808config I8259 809 bool 810 811config MIPS_BONITO64 812 bool 813 814config MIPS_MSC 815 bool 816 817config MIPS_NILE4 818 bool 819 820config MIPS_DISABLE_OBSOLETE_IDE 821 bool 822 823config SYNC_R4K 824 bool 825 826config NO_IOPORT 827 def_bool n 828 829config GENERIC_ISA_DMA 830 bool 831 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 832 833config GENERIC_ISA_DMA_SUPPORT_BROKEN 834 bool 835 select GENERIC_ISA_DMA 836 837config GENERIC_GPIO 838 bool 839 840# 841# Endianess selection. Sufficiently obscure so many users don't know what to 842# answer,so we try hard to limit the available choices. Also the use of a 843# choice statement should be more obvious to the user. 844# 845choice 846 prompt "Endianess selection" 847 help 848 Some MIPS machines can be configured for either little or big endian 849 byte order. These modes require different kernels and a different 850 Linux distribution. In general there is one preferred byteorder for a 851 particular system but some systems are just as commonly used in the 852 one or the other endianness. 853 854config CPU_BIG_ENDIAN 855 bool "Big endian" 856 depends on SYS_SUPPORTS_BIG_ENDIAN 857 858config CPU_LITTLE_ENDIAN 859 bool "Little endian" 860 depends on SYS_SUPPORTS_LITTLE_ENDIAN 861 help 862 863endchoice 864 865config SYS_SUPPORTS_APM_EMULATION 866 bool 867 868config SYS_SUPPORTS_BIG_ENDIAN 869 bool 870 871config SYS_SUPPORTS_LITTLE_ENDIAN 872 bool 873 874config SYS_SUPPORTS_HUGETLBFS 875 bool 876 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 877 default y 878 879config IRQ_CPU 880 bool 881 882config IRQ_CPU_RM7K 883 bool 884 885config IRQ_CPU_RM9K 886 bool 887 888config IRQ_MSP_SLP 889 bool 890 891config IRQ_MSP_CIC 892 bool 893 894config IRQ_TXX9 895 bool 896 897config IRQ_GT641XX 898 bool 899 900config IRQ_GIC 901 bool 902 903config IRQ_CPU_OCTEON 904 bool 905 906config MIPS_BOARDS_GEN 907 bool 908 909config PCI_GT64XXX_PCI0 910 bool 911 912config NO_EXCEPT_FILL 913 bool 914 915config MIPS_RM9122 916 bool 917 select SERIAL_RM9000 918 919config SOC_EMMA2RH 920 bool 921 select CEVT_R4K 922 select CSRC_R4K 923 select DMA_NONCOHERENT 924 select IRQ_CPU 925 select SWAP_IO_SPACE 926 select SYS_HAS_CPU_R5500 927 select SYS_SUPPORTS_32BIT_KERNEL 928 select SYS_SUPPORTS_64BIT_KERNEL 929 select SYS_SUPPORTS_BIG_ENDIAN 930 931config SOC_PNX833X 932 bool 933 select CEVT_R4K 934 select CSRC_R4K 935 select IRQ_CPU 936 select DMA_NONCOHERENT 937 select SYS_HAS_CPU_MIPS32_R2 938 select SYS_SUPPORTS_32BIT_KERNEL 939 select SYS_SUPPORTS_LITTLE_ENDIAN 940 select SYS_SUPPORTS_BIG_ENDIAN 941 select GENERIC_GPIO 942 select CPU_MIPSR2_IRQ_VI 943 944config SOC_PNX8335 945 bool 946 select SOC_PNX833X 947 948config PNX8550 949 bool 950 select SOC_PNX8550 951 952config SOC_PNX8550 953 bool 954 select DMA_NONCOHERENT 955 select HW_HAS_PCI 956 select SYS_HAS_CPU_MIPS32_R1 957 select SYS_HAS_EARLY_PRINTK 958 select SYS_SUPPORTS_32BIT_KERNEL 959 select GENERIC_GPIO 960 961config SWAP_IO_SPACE 962 bool 963 964config SERIAL_RM9000 965 bool 966 967config SGI_HAS_INDYDOG 968 bool 969 970config SGI_HAS_HAL2 971 bool 972 973config SGI_HAS_SEEQ 974 bool 975 976config SGI_HAS_WD93 977 bool 978 979config SGI_HAS_ZILOG 980 bool 981 982config SGI_HAS_I8042 983 bool 984 985config DEFAULT_SGI_PARTITION 986 bool 987 988config ARC32 989 bool 990 991config SNIPROM 992 bool 993 994config BOOT_ELF32 995 bool 996 997config MIPS_L1_CACHE_SHIFT 998 int 999 default "4" if MACH_DECSTATION || MIKROTIK_RB532 1000 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1001 default "4" if PMC_MSP4200_EVAL 1002 default "5" 1003 1004config HAVE_STD_PC_SERIAL_PORT 1005 bool 1006 1007config ARC_CONSOLE 1008 bool "ARC console support" 1009 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1010 1011config ARC_MEMORY 1012 bool 1013 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1014 default y 1015 1016config ARC_PROMLIB 1017 bool 1018 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1019 default y 1020 1021config ARC64 1022 bool 1023 1024config BOOT_ELF64 1025 bool 1026 1027menu "CPU selection" 1028 1029choice 1030 prompt "CPU type" 1031 default CPU_R4X00 1032 1033config CPU_LOONGSON2E 1034 bool "Loongson 2E" 1035 depends on SYS_HAS_CPU_LOONGSON2E 1036 select CPU_LOONGSON2 1037 help 1038 The Loongson 2E processor implements the MIPS III instruction set 1039 with many extensions. 1040 1041config CPU_MIPS32_R1 1042 bool "MIPS32 Release 1" 1043 depends on SYS_HAS_CPU_MIPS32_R1 1044 select CPU_HAS_LLSC 1045 select CPU_HAS_PREFETCH 1046 select CPU_SUPPORTS_32BIT_KERNEL 1047 select CPU_SUPPORTS_HIGHMEM 1048 help 1049 Choose this option to build a kernel for release 1 or later of the 1050 MIPS32 architecture. Most modern embedded systems with a 32-bit 1051 MIPS processor are based on a MIPS32 processor. If you know the 1052 specific type of processor in your system, choose those that one 1053 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1054 Release 2 of the MIPS32 architecture is available since several 1055 years so chances are you even have a MIPS32 Release 2 processor 1056 in which case you should choose CPU_MIPS32_R2 instead for better 1057 performance. 1058 1059config CPU_MIPS32_R2 1060 bool "MIPS32 Release 2" 1061 depends on SYS_HAS_CPU_MIPS32_R2 1062 select CPU_HAS_LLSC 1063 select CPU_HAS_PREFETCH 1064 select CPU_SUPPORTS_32BIT_KERNEL 1065 select CPU_SUPPORTS_HIGHMEM 1066 help 1067 Choose this option to build a kernel for release 2 or later of the 1068 MIPS32 architecture. Most modern embedded systems with a 32-bit 1069 MIPS processor are based on a MIPS32 processor. If you know the 1070 specific type of processor in your system, choose those that one 1071 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1072 1073config CPU_MIPS64_R1 1074 bool "MIPS64 Release 1" 1075 depends on SYS_HAS_CPU_MIPS64_R1 1076 select CPU_HAS_LLSC 1077 select CPU_HAS_PREFETCH 1078 select CPU_SUPPORTS_32BIT_KERNEL 1079 select CPU_SUPPORTS_64BIT_KERNEL 1080 select CPU_SUPPORTS_HIGHMEM 1081 select CPU_SUPPORTS_HUGEPAGES 1082 help 1083 Choose this option to build a kernel for release 1 or later of the 1084 MIPS64 architecture. Many modern embedded systems with a 64-bit 1085 MIPS processor are based on a MIPS64 processor. If you know the 1086 specific type of processor in your system, choose those that one 1087 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1088 Release 2 of the MIPS64 architecture is available since several 1089 years so chances are you even have a MIPS64 Release 2 processor 1090 in which case you should choose CPU_MIPS64_R2 instead for better 1091 performance. 1092 1093config CPU_MIPS64_R2 1094 bool "MIPS64 Release 2" 1095 depends on SYS_HAS_CPU_MIPS64_R2 1096 select CPU_HAS_LLSC 1097 select CPU_HAS_PREFETCH 1098 select CPU_SUPPORTS_32BIT_KERNEL 1099 select CPU_SUPPORTS_64BIT_KERNEL 1100 select CPU_SUPPORTS_HIGHMEM 1101 select CPU_SUPPORTS_HUGEPAGES 1102 help 1103 Choose this option to build a kernel for release 2 or later of the 1104 MIPS64 architecture. Many modern embedded systems with a 64-bit 1105 MIPS processor are based on a MIPS64 processor. If you know the 1106 specific type of processor in your system, choose those that one 1107 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1108 1109config CPU_R3000 1110 bool "R3000" 1111 depends on SYS_HAS_CPU_R3000 1112 select CPU_HAS_WB 1113 select CPU_SUPPORTS_32BIT_KERNEL 1114 select CPU_SUPPORTS_HIGHMEM 1115 help 1116 Please make sure to pick the right CPU type. Linux/MIPS is not 1117 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1118 *not* work on R4000 machines and vice versa. However, since most 1119 of the supported machines have an R4000 (or similar) CPU, R4x00 1120 might be a safe bet. If the resulting kernel does not work, 1121 try to recompile with R3000. 1122 1123config CPU_TX39XX 1124 bool "R39XX" 1125 depends on SYS_HAS_CPU_TX39XX 1126 select CPU_SUPPORTS_32BIT_KERNEL 1127 1128config CPU_VR41XX 1129 bool "R41xx" 1130 depends on SYS_HAS_CPU_VR41XX 1131 select CPU_SUPPORTS_32BIT_KERNEL 1132 select CPU_SUPPORTS_64BIT_KERNEL 1133 help 1134 The options selects support for the NEC VR4100 series of processors. 1135 Only choose this option if you have one of these processors as a 1136 kernel built with this option will not run on any other type of 1137 processor or vice versa. 1138 1139config CPU_R4300 1140 bool "R4300" 1141 depends on SYS_HAS_CPU_R4300 1142 select CPU_HAS_LLSC 1143 select CPU_SUPPORTS_32BIT_KERNEL 1144 select CPU_SUPPORTS_64BIT_KERNEL 1145 help 1146 MIPS Technologies R4300-series processors. 1147 1148config CPU_R4X00 1149 bool "R4x00" 1150 depends on SYS_HAS_CPU_R4X00 1151 select CPU_HAS_LLSC 1152 select CPU_SUPPORTS_32BIT_KERNEL 1153 select CPU_SUPPORTS_64BIT_KERNEL 1154 help 1155 MIPS Technologies R4000-series processors other than 4300, including 1156 the R4000, R4400, R4600, and 4700. 1157 1158config CPU_TX49XX 1159 bool "R49XX" 1160 depends on SYS_HAS_CPU_TX49XX 1161 select CPU_HAS_LLSC 1162 select CPU_HAS_PREFETCH 1163 select CPU_SUPPORTS_32BIT_KERNEL 1164 select CPU_SUPPORTS_64BIT_KERNEL 1165 1166config CPU_R5000 1167 bool "R5000" 1168 depends on SYS_HAS_CPU_R5000 1169 select CPU_HAS_LLSC 1170 select CPU_SUPPORTS_32BIT_KERNEL 1171 select CPU_SUPPORTS_64BIT_KERNEL 1172 help 1173 MIPS Technologies R5000-series processors other than the Nevada. 1174 1175config CPU_R5432 1176 bool "R5432" 1177 depends on SYS_HAS_CPU_R5432 1178 select CPU_HAS_LLSC 1179 select CPU_SUPPORTS_32BIT_KERNEL 1180 select CPU_SUPPORTS_64BIT_KERNEL 1181 1182config CPU_R5500 1183 bool "R5500" 1184 depends on SYS_HAS_CPU_R5500 1185 select CPU_HAS_LLSC 1186 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_64BIT_KERNEL 1188 select CPU_SUPPORTS_HUGEPAGES 1189 help 1190 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1191 instruction set. 1192 1193config CPU_R6000 1194 bool "R6000" 1195 depends on EXPERIMENTAL 1196 select CPU_HAS_LLSC 1197 depends on SYS_HAS_CPU_R6000 1198 select CPU_SUPPORTS_32BIT_KERNEL 1199 help 1200 MIPS Technologies R6000 and R6000A series processors. Note these 1201 processors are extremely rare and the support for them is incomplete. 1202 1203config CPU_NEVADA 1204 bool "RM52xx" 1205 depends on SYS_HAS_CPU_NEVADA 1206 select CPU_HAS_LLSC 1207 select CPU_SUPPORTS_32BIT_KERNEL 1208 select CPU_SUPPORTS_64BIT_KERNEL 1209 help 1210 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1211 1212config CPU_R8000 1213 bool "R8000" 1214 depends on EXPERIMENTAL 1215 depends on SYS_HAS_CPU_R8000 1216 select CPU_HAS_LLSC 1217 select CPU_HAS_PREFETCH 1218 select CPU_SUPPORTS_64BIT_KERNEL 1219 help 1220 MIPS Technologies R8000 processors. Note these processors are 1221 uncommon and the support for them is incomplete. 1222 1223config CPU_R10000 1224 bool "R10000" 1225 depends on SYS_HAS_CPU_R10000 1226 select CPU_HAS_LLSC 1227 select CPU_HAS_PREFETCH 1228 select CPU_SUPPORTS_32BIT_KERNEL 1229 select CPU_SUPPORTS_64BIT_KERNEL 1230 select CPU_SUPPORTS_HIGHMEM 1231 help 1232 MIPS Technologies R10000-series processors. 1233 1234config CPU_RM7000 1235 bool "RM7000" 1236 depends on SYS_HAS_CPU_RM7000 1237 select CPU_HAS_LLSC 1238 select CPU_HAS_PREFETCH 1239 select CPU_SUPPORTS_32BIT_KERNEL 1240 select CPU_SUPPORTS_64BIT_KERNEL 1241 select CPU_SUPPORTS_HIGHMEM 1242 1243config CPU_RM9000 1244 bool "RM9000" 1245 depends on SYS_HAS_CPU_RM9000 1246 select CPU_HAS_LLSC 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_HAS_LLSC 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_LLSC 1677 bool 1678 1679config CPU_HAS_SMARTMIPS 1680 depends on SYS_SUPPORTS_SMARTMIPS 1681 bool "Support for the SmartMIPS ASE" 1682 help 1683 SmartMIPS is a extension of the MIPS32 architecture aimed at 1684 increased security at both hardware and software level for 1685 smartcards. Enabling this option will allow proper use of the 1686 SmartMIPS instructions by Linux applications. However a kernel with 1687 this option will not work on a MIPS core without SmartMIPS core. If 1688 you don't know you probably don't have SmartMIPS and should say N 1689 here. 1690 1691config CPU_HAS_WB 1692 bool 1693 1694# 1695# Vectored interrupt mode is an R2 feature 1696# 1697config CPU_MIPSR2_IRQ_VI 1698 bool 1699 1700# 1701# Extended interrupt mode is an R2 feature 1702# 1703config CPU_MIPSR2_IRQ_EI 1704 bool 1705 1706config CPU_HAS_SYNC 1707 bool 1708 depends on !CPU_R3000 1709 default y 1710 1711config GENERIC_CLOCKEVENTS_BROADCAST 1712 bool 1713 1714# 1715# CPU non-features 1716# 1717config CPU_DADDI_WORKAROUNDS 1718 bool 1719 1720config CPU_R4000_WORKAROUNDS 1721 bool 1722 select CPU_R4400_WORKAROUNDS 1723 1724config CPU_R4400_WORKAROUNDS 1725 bool 1726 1727# 1728# Use the generic interrupt handling code in kernel/irq/: 1729# 1730config GENERIC_HARDIRQS 1731 bool 1732 default y 1733 1734config GENERIC_IRQ_PROBE 1735 bool 1736 default y 1737 1738config IRQ_PER_CPU 1739 bool 1740 1741# 1742# - Highmem only makes sense for the 32-bit kernel. 1743# - The current highmem code will only work properly on physically indexed 1744# caches such as R3000, SB1, R7000 or those that look like they're virtually 1745# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1746# moment we protect the user and offer the highmem option only on machines 1747# where it's known to be safe. This will not offer highmem on a few systems 1748# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1749# indexed CPUs but we're playing safe. 1750# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1751# know they might have memory configurations that could make use of highmem 1752# support. 1753# 1754config HIGHMEM 1755 bool "High Memory Support" 1756 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1757 1758config CPU_SUPPORTS_HIGHMEM 1759 bool 1760 1761config SYS_SUPPORTS_HIGHMEM 1762 bool 1763 1764config SYS_SUPPORTS_SMARTMIPS 1765 bool 1766 1767config ARCH_FLATMEM_ENABLE 1768 def_bool y 1769 depends on !NUMA 1770 1771config ARCH_DISCONTIGMEM_ENABLE 1772 bool 1773 default y if SGI_IP27 1774 help 1775 Say Y to support efficient handling of discontiguous physical memory, 1776 for architectures which are either NUMA (Non-Uniform Memory Access) 1777 or have huge holes in the physical address space for other reasons. 1778 See <file:Documentation/vm/numa> for more. 1779 1780config ARCH_POPULATES_NODE_MAP 1781 def_bool y 1782 1783config ARCH_SPARSEMEM_ENABLE 1784 bool 1785 select SPARSEMEM_STATIC 1786 1787config NUMA 1788 bool "NUMA Support" 1789 depends on SYS_SUPPORTS_NUMA 1790 help 1791 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1792 Access). This option improves performance on systems with more 1793 than two nodes; on two node systems it is generally better to 1794 leave it disabled; on single node systems disable this option 1795 disabled. 1796 1797config SYS_SUPPORTS_NUMA 1798 bool 1799 1800config NODES_SHIFT 1801 int 1802 default "6" 1803 depends on NEED_MULTIPLE_NODES 1804 1805source "mm/Kconfig" 1806 1807config SMP 1808 bool "Multi-Processing support" 1809 depends on SYS_SUPPORTS_SMP 1810 select IRQ_PER_CPU 1811 select USE_GENERIC_SMP_HELPERS 1812 help 1813 This enables support for systems with more than one CPU. If you have 1814 a system with only one CPU, like most personal computers, say N. If 1815 you have a system with more than one CPU, say Y. 1816 1817 If you say N here, the kernel will run on single and multiprocessor 1818 machines, but will use only one CPU of a multiprocessor machine. If 1819 you say Y here, the kernel will run on many, but not all, 1820 singleprocessor machines. On a singleprocessor machine, the kernel 1821 will run faster if you say N here. 1822 1823 People using multiprocessor machines who say Y here should also say 1824 Y to "Enhanced Real Time Clock Support", below. 1825 1826 See also the SMP-HOWTO available at 1827 <http://www.tldp.org/docs.html#howto>. 1828 1829 If you don't know what to do here, say N. 1830 1831config SMP_UP 1832 bool 1833 1834config SYS_SUPPORTS_MIPS_CMP 1835 bool 1836 1837config SYS_SUPPORTS_SMP 1838 bool 1839 1840config NR_CPUS_DEFAULT_1 1841 bool 1842 1843config NR_CPUS_DEFAULT_2 1844 bool 1845 1846config NR_CPUS_DEFAULT_4 1847 bool 1848 1849config NR_CPUS_DEFAULT_8 1850 bool 1851 1852config NR_CPUS_DEFAULT_16 1853 bool 1854 1855config NR_CPUS_DEFAULT_32 1856 bool 1857 1858config NR_CPUS_DEFAULT_64 1859 bool 1860 1861config NR_CPUS 1862 int "Maximum number of CPUs (2-64)" 1863 range 1 64 if NR_CPUS_DEFAULT_1 1864 depends on SMP 1865 default "1" if NR_CPUS_DEFAULT_1 1866 default "2" if NR_CPUS_DEFAULT_2 1867 default "4" if NR_CPUS_DEFAULT_4 1868 default "8" if NR_CPUS_DEFAULT_8 1869 default "16" if NR_CPUS_DEFAULT_16 1870 default "32" if NR_CPUS_DEFAULT_32 1871 default "64" if NR_CPUS_DEFAULT_64 1872 help 1873 This allows you to specify the maximum number of CPUs which this 1874 kernel will support. The maximum supported value is 32 for 32-bit 1875 kernel and 64 for 64-bit kernels; the minimum value which makes 1876 sense is 1 for Qemu (useful only for kernel debugging purposes) 1877 and 2 for all others. 1878 1879 This is purely to save memory - each supported CPU adds 1880 approximately eight kilobytes to the kernel image. For best 1881 performance should round up your number of processors to the next 1882 power of two. 1883 1884source "kernel/time/Kconfig" 1885 1886# 1887# Timer Interrupt Frequency Configuration 1888# 1889 1890choice 1891 prompt "Timer frequency" 1892 default HZ_250 1893 help 1894 Allows the configuration of the timer frequency. 1895 1896 config HZ_48 1897 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1898 1899 config HZ_100 1900 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1901 1902 config HZ_128 1903 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1904 1905 config HZ_250 1906 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1907 1908 config HZ_256 1909 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1910 1911 config HZ_1000 1912 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1913 1914 config HZ_1024 1915 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1916 1917endchoice 1918 1919config SYS_SUPPORTS_48HZ 1920 bool 1921 1922config SYS_SUPPORTS_100HZ 1923 bool 1924 1925config SYS_SUPPORTS_128HZ 1926 bool 1927 1928config SYS_SUPPORTS_250HZ 1929 bool 1930 1931config SYS_SUPPORTS_256HZ 1932 bool 1933 1934config SYS_SUPPORTS_1000HZ 1935 bool 1936 1937config SYS_SUPPORTS_1024HZ 1938 bool 1939 1940config SYS_SUPPORTS_ARBIT_HZ 1941 bool 1942 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1943 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1944 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1945 !SYS_SUPPORTS_1024HZ 1946 1947config HZ 1948 int 1949 default 48 if HZ_48 1950 default 100 if HZ_100 1951 default 128 if HZ_128 1952 default 250 if HZ_250 1953 default 256 if HZ_256 1954 default 1000 if HZ_1000 1955 default 1024 if HZ_1024 1956 1957source "kernel/Kconfig.preempt" 1958 1959config MIPS_INSANE_LARGE 1960 bool "Support for large 64-bit configurations" 1961 depends on CPU_R10000 && 64BIT 1962 help 1963 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1964 previous 64-bit processors which only supported 40 bit / 1TB. If you 1965 need processes of more than 1TB virtual address space, say Y here. 1966 This will result in additional memory usage, so it is not 1967 recommended for normal users. 1968 1969config KEXEC 1970 bool "Kexec system call (EXPERIMENTAL)" 1971 depends on EXPERIMENTAL 1972 help 1973 kexec is a system call that implements the ability to shutdown your 1974 current kernel, and to start another kernel. It is like a reboot 1975 but it is independent of the system firmware. And like a reboot 1976 you can start any kernel with it, not just Linux. 1977 1978 The name comes from the similarity to the exec system call. 1979 1980 It is an ongoing process to be certain the hardware in a machine 1981 is properly shutdown, so do not be surprised if this code does not 1982 initially work for you. It may help to enable device hotplugging 1983 support. As of this writing the exact hardware interface is 1984 strongly in flux, so no good recommendation can be made. 1985 1986config SECCOMP 1987 bool "Enable seccomp to safely compute untrusted bytecode" 1988 depends on PROC_FS 1989 default y 1990 help 1991 This kernel feature is useful for number crunching applications 1992 that may need to compute untrusted bytecode during their 1993 execution. By using pipes or other transports made available to 1994 the process as file descriptors supporting the read/write 1995 syscalls, it's possible to isolate those applications in 1996 their own address space using seccomp. Once seccomp is 1997 enabled via /proc/<pid>/seccomp, it cannot be disabled 1998 and the task is only allowed to execute a few safe syscalls 1999 defined by each seccomp mode. 2000 2001 If unsure, say Y. Only embedded should say N here. 2002 2003endmenu 2004 2005config LOCKDEP_SUPPORT 2006 bool 2007 default y 2008 2009config STACKTRACE_SUPPORT 2010 bool 2011 default y 2012 2013source "init/Kconfig" 2014 2015config PROBE_INITRD_HEADER 2016 bool "Probe initrd header created by addinitrd" 2017 depends on BLK_DEV_INITRD 2018 help 2019 Probe initrd header at the last page of kernel image. 2020 Say Y here if you are using arch/mips/boot/addinitrd.c to 2021 add initrd or initramfs image to the kernel image. 2022 Otherwise, say N. 2023 2024source "kernel/Kconfig.freezer" 2025 2026menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2027 2028config HW_HAS_EISA 2029 bool 2030config HW_HAS_PCI 2031 bool 2032 2033config PCI 2034 bool "Support for PCI controller" 2035 depends on HW_HAS_PCI 2036 select PCI_DOMAINS 2037 help 2038 Find out whether you have a PCI motherboard. PCI is the name of a 2039 bus system, i.e. the way the CPU talks to the other stuff inside 2040 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2041 say Y, otherwise N. 2042 2043config PCI_DOMAINS 2044 bool 2045 2046source "drivers/pci/Kconfig" 2047 2048# 2049# ISA support is now enabled via select. Too many systems still have the one 2050# or other ISA chip on the board that users don't know about so don't expect 2051# users to choose the right thing ... 2052# 2053config ISA 2054 bool 2055 2056config EISA 2057 bool "EISA support" 2058 depends on HW_HAS_EISA 2059 select ISA 2060 select GENERIC_ISA_DMA 2061 ---help--- 2062 The Extended Industry Standard Architecture (EISA) bus was 2063 developed as an open alternative to the IBM MicroChannel bus. 2064 2065 The EISA bus provided some of the features of the IBM MicroChannel 2066 bus while maintaining backward compatibility with cards made for 2067 the older ISA bus. The EISA bus saw limited use between 1988 and 2068 1995 when it was made obsolete by the PCI bus. 2069 2070 Say Y here if you are building a kernel for an EISA-based machine. 2071 2072 Otherwise, say N. 2073 2074source "drivers/eisa/Kconfig" 2075 2076config TC 2077 bool "TURBOchannel support" 2078 depends on MACH_DECSTATION 2079 help 2080 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2081 processors. Documentation on writing device drivers for TurboChannel 2082 is available at: 2083 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2084 2085#config ACCESSBUS 2086# bool "Access.Bus support" 2087# depends on TC 2088 2089config MMU 2090 bool 2091 default y 2092 2093config I8253 2094 bool 2095 2096config ZONE_DMA32 2097 bool 2098 2099source "drivers/pcmcia/Kconfig" 2100 2101source "drivers/pci/hotplug/Kconfig" 2102 2103endmenu 2104 2105menu "Executable file formats" 2106 2107source "fs/Kconfig.binfmt" 2108 2109config TRAD_SIGNALS 2110 bool 2111 2112config MIPS32_COMPAT 2113 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2114 depends on 64BIT 2115 help 2116 Select this option if you want Linux/MIPS 32-bit binary 2117 compatibility. Since all software available for Linux/MIPS is 2118 currently 32-bit you should say Y here. 2119 2120config COMPAT 2121 bool 2122 depends on MIPS32_COMPAT 2123 default y 2124 2125config SYSVIPC_COMPAT 2126 bool 2127 depends on COMPAT && SYSVIPC 2128 default y 2129 2130config MIPS32_O32 2131 bool "Kernel support for o32 binaries" 2132 depends on MIPS32_COMPAT 2133 help 2134 Select this option if you want to run o32 binaries. These are pure 2135 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2136 existing binaries are in this format. 2137 2138 If unsure, say Y. 2139 2140config MIPS32_N32 2141 bool "Kernel support for n32 binaries" 2142 depends on MIPS32_COMPAT 2143 help 2144 Select this option if you want to run n32 binaries. These are 2145 64-bit binaries using 32-bit quantities for addressing and certain 2146 data that would normally be 64-bit. They are used in special 2147 cases. 2148 2149 If unsure, say N. 2150 2151config BINFMT_ELF32 2152 bool 2153 default y if MIPS32_O32 || MIPS32_N32 2154 2155endmenu 2156 2157menu "Power management options" 2158 2159config ARCH_HIBERNATION_POSSIBLE 2160 def_bool y 2161 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2162 2163config ARCH_SUSPEND_POSSIBLE 2164 def_bool y 2165 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2166 2167source "kernel/power/Kconfig" 2168 2169endmenu 2170 2171source "net/Kconfig" 2172 2173source "drivers/Kconfig" 2174 2175source "fs/Kconfig" 2176 2177source "arch/mips/Kconfig.debug" 2178 2179source "security/Kconfig" 2180 2181source "crypto/Kconfig" 2182 2183source "lib/Kconfig" 2184