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