1config MIPS 2 bool 3 default y 4 select HAVE_IDE 5 select HAVE_OPROFILE 6 # Horrible source of confusion. Die, die, die ... 7 select EMBEDDED 8 select RTC_LIB 9 10mainmenu "Linux/MIPS Kernel Configuration" 11 12menu "Machine selection" 13 14config ZONE_DMA 15 bool 16 17choice 18 prompt "System type" 19 default SGI_IP22 20 21config MACH_ALCHEMY 22 bool "Alchemy processor based machines" 23 24config BASLER_EXCITE 25 bool "Basler eXcite smart camera" 26 select CEVT_R4K 27 select CSRC_R4K 28 select DMA_COHERENT 29 select HW_HAS_PCI 30 select IRQ_CPU 31 select IRQ_CPU_RM7K 32 select IRQ_CPU_RM9K 33 select MIPS_RM9122 34 select SYS_HAS_CPU_RM9000 35 select SYS_SUPPORTS_32BIT_KERNEL 36 select SYS_SUPPORTS_BIG_ENDIAN 37 select SYS_SUPPORTS_KGDB 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_PCICORE_HOSTMODE if PCI 56 select GENERIC_GPIO 57 select SYS_HAS_EARLY_PRINTK 58 select CFE 59 help 60 Support for BCM47XX based boards 61 62config MIPS_COBALT 63 bool "Cobalt Server" 64 select CEVT_R4K 65 select CSRC_R4K 66 select CEVT_GT641XX 67 select DMA_NONCOHERENT 68 select HW_HAS_PCI 69 select I8253 70 select I8259 71 select IRQ_CPU 72 select IRQ_GT641XX 73 select PCI_GT64XXX_PCI0 74 select SYS_HAS_CPU_NEVADA 75 select SYS_HAS_EARLY_PRINTK 76 select SYS_SUPPORTS_32BIT_KERNEL 77 select SYS_SUPPORTS_64BIT_KERNEL 78 select SYS_SUPPORTS_LITTLE_ENDIAN 79 select GENERIC_HARDIRQS_NO__DO_IRQ 80 81config MACH_DECSTATION 82 bool "DECstations" 83 select BOOT_ELF32 84 select CEVT_DS1287 85 select CEVT_R4K 86 select CSRC_IOASIC 87 select CSRC_R4K 88 select CPU_DADDI_WORKAROUNDS if 64BIT 89 select CPU_R4000_WORKAROUNDS if 64BIT 90 select CPU_R4400_WORKAROUNDS if 64BIT 91 select DMA_NONCOHERENT 92 select NO_IOPORT 93 select IRQ_CPU 94 select SYS_HAS_CPU_R3000 95 select SYS_HAS_CPU_R4X00 96 select SYS_SUPPORTS_32BIT_KERNEL 97 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 98 select SYS_SUPPORTS_LITTLE_ENDIAN 99 select SYS_SUPPORTS_128HZ 100 select SYS_SUPPORTS_256HZ 101 select SYS_SUPPORTS_1024HZ 102 help 103 This enables support for DEC's MIPS based workstations. For details 104 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 105 DECstation porting pages on <http://decstation.unix-ag.org/>. 106 107 If you have one of the following DECstation Models you definitely 108 want to choose R4xx0 for the CPU Type: 109 110 DECstation 5000/50 111 DECstation 5000/150 112 DECstation 5000/260 113 DECsystem 5900/260 114 115 otherwise choose R3000. 116 117config MACH_JAZZ 118 bool "Jazz family of machines" 119 select ARC 120 select ARC32 121 select ARCH_MAY_HAVE_PC_FDC 122 select CEVT_R4K 123 select CSRC_R4K 124 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 125 select GENERIC_ISA_DMA 126 select IRQ_CPU 127 select I8253 128 select I8259 129 select ISA 130 select SYS_HAS_CPU_R4X00 131 select SYS_SUPPORTS_32BIT_KERNEL 132 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 133 select SYS_SUPPORTS_100HZ 134 select GENERIC_HARDIRQS_NO__DO_IRQ 135 help 136 This a family of machines based on the MIPS R4030 chipset which was 137 used by several vendors to build RISC/os and Windows NT workstations. 138 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 139 Olivetti M700-10 workstations. 140 141config LASAT 142 bool "LASAT Networks platforms" 143 select CEVT_R4K 144 select CSRC_R4K 145 select DMA_NONCOHERENT 146 select SYS_HAS_EARLY_PRINTK 147 select HW_HAS_PCI 148 select IRQ_CPU 149 select PCI_GT64XXX_PCI0 150 select MIPS_NILE4 151 select R5000_CPU_SCACHE 152 select SYS_HAS_CPU_R5000 153 select SYS_SUPPORTS_32BIT_KERNEL 154 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 155 select SYS_SUPPORTS_LITTLE_ENDIAN 156 select GENERIC_HARDIRQS_NO__DO_IRQ 157 158config LEMOTE_FULONG 159 bool "Lemote Fulong mini-PC" 160 select ARCH_SPARSEMEM_ENABLE 161 select CEVT_R4K 162 select CSRC_R4K 163 select SYS_HAS_CPU_LOONGSON2 164 select DMA_NONCOHERENT 165 select BOOT_ELF32 166 select BOARD_SCACHE 167 select HAVE_STD_PC_SERIAL_PORT 168 select HW_HAS_PCI 169 select I8259 170 select ISA 171 select IRQ_CPU 172 select SYS_SUPPORTS_32BIT_KERNEL 173 select SYS_SUPPORTS_64BIT_KERNEL 174 select SYS_SUPPORTS_LITTLE_ENDIAN 175 select SYS_SUPPORTS_HIGHMEM 176 select SYS_HAS_EARLY_PRINTK 177 select GENERIC_HARDIRQS_NO__DO_IRQ 178 select GENERIC_ISA_DMA_SUPPORT_BROKEN 179 select CPU_HAS_WB 180 help 181 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 182 an FPGA northbridge 183 184config MIPS_ATLAS 185 bool "MIPS Atlas board" 186 select BOOT_ELF32 187 select BOOT_RAW 188 select CEVT_R4K 189 select CSRC_R4K 190 select DMA_NONCOHERENT 191 select SYS_HAS_EARLY_PRINTK 192 select IRQ_CPU 193 select HW_HAS_PCI 194 select MIPS_BOARDS_GEN 195 select MIPS_BONITO64 196 select PCI_GT64XXX_PCI0 197 select MIPS_MSC 198 select RM7000_CPU_SCACHE 199 select SWAP_IO_SPACE 200 select SYS_HAS_CPU_MIPS32_R1 201 select SYS_HAS_CPU_MIPS32_R2 202 select SYS_HAS_CPU_MIPS64_R1 203 select SYS_HAS_CPU_NEVADA 204 select SYS_HAS_CPU_RM7000 205 select SYS_SUPPORTS_32BIT_KERNEL 206 select SYS_SUPPORTS_64BIT_KERNEL 207 select SYS_SUPPORTS_BIG_ENDIAN 208 select SYS_SUPPORTS_LITTLE_ENDIAN 209 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 210 select SYS_SUPPORTS_SMARTMIPS 211 select GENERIC_HARDIRQS_NO__DO_IRQ 212 help 213 This enables support for the MIPS Technologies Atlas evaluation 214 board. 215 216config MIPS_MALTA 217 bool "MIPS Malta board" 218 select ARCH_MAY_HAVE_PC_FDC 219 select BOOT_ELF32 220 select BOOT_RAW 221 select CEVT_R4K 222 select CSRC_R4K 223 select DMA_NONCOHERENT 224 select GENERIC_ISA_DMA 225 select IRQ_CPU 226 select IRQ_GIC 227 select HW_HAS_PCI 228 select I8253 229 select I8259 230 select MIPS_BOARDS_GEN 231 select MIPS_BONITO64 232 select MIPS_CPU_SCACHE 233 select PCI_GT64XXX_PCI0 234 select MIPS_MSC 235 select SWAP_IO_SPACE 236 select SYS_HAS_CPU_MIPS32_R1 237 select SYS_HAS_CPU_MIPS32_R2 238 select SYS_HAS_CPU_MIPS64_R1 239 select SYS_HAS_CPU_NEVADA 240 select SYS_HAS_CPU_RM7000 241 select SYS_HAS_EARLY_PRINTK 242 select SYS_SUPPORTS_32BIT_KERNEL 243 select SYS_SUPPORTS_64BIT_KERNEL 244 select SYS_SUPPORTS_BIG_ENDIAN 245 select SYS_SUPPORTS_LITTLE_ENDIAN 246 select SYS_SUPPORTS_MULTITHREADING 247 select SYS_SUPPORTS_SMARTMIPS 248 help 249 This enables support for the MIPS Technologies Malta evaluation 250 board. 251 252config MIPS_SEAD 253 bool "MIPS SEAD board" 254 select CEVT_R4K 255 select CSRC_R4K 256 select IRQ_CPU 257 select DMA_NONCOHERENT 258 select SYS_HAS_EARLY_PRINTK 259 select MIPS_BOARDS_GEN 260 select SYS_HAS_CPU_MIPS32_R1 261 select SYS_HAS_CPU_MIPS32_R2 262 select SYS_HAS_CPU_MIPS64_R1 263 select SYS_SUPPORTS_32BIT_KERNEL 264 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 265 select SYS_SUPPORTS_BIG_ENDIAN 266 select SYS_SUPPORTS_LITTLE_ENDIAN 267 select SYS_SUPPORTS_SMARTMIPS 268 help 269 This enables support for the MIPS Technologies SEAD evaluation 270 board. 271 272config MIPS_SIM 273 bool 'MIPS simulator (MIPSsim)' 274 select CEVT_R4K 275 select CSRC_R4K 276 select DMA_NONCOHERENT 277 select SYS_HAS_EARLY_PRINTK 278 select IRQ_CPU 279 select BOOT_RAW 280 select SYS_HAS_CPU_MIPS32_R1 281 select SYS_HAS_CPU_MIPS32_R2 282 select SYS_HAS_EARLY_PRINTK 283 select SYS_SUPPORTS_32BIT_KERNEL 284 select SYS_SUPPORTS_BIG_ENDIAN 285 select SYS_SUPPORTS_MULTITHREADING 286 select SYS_SUPPORTS_LITTLE_ENDIAN 287 help 288 This option enables support for MIPS Technologies MIPSsim software 289 emulator. 290 291config MARKEINS 292 bool "NEC EMMA2RH Mark-eins" 293 select CEVT_R4K 294 select CSRC_R4K 295 select DMA_NONCOHERENT 296 select HW_HAS_PCI 297 select IRQ_CPU 298 select SWAP_IO_SPACE 299 select SYS_SUPPORTS_32BIT_KERNEL 300 select SYS_SUPPORTS_BIG_ENDIAN 301 select SYS_SUPPORTS_LITTLE_ENDIAN 302 select SYS_HAS_CPU_R5000 303 help 304 This enables support for the R5432-based NEC Mark-eins 305 boards with R5500 CPU. 306 307config MACH_VR41XX 308 bool "NEC VR4100 series based machines" 309 select CEVT_R4K 310 select CSRC_R4K 311 select SYS_HAS_CPU_VR41XX 312 select GENERIC_HARDIRQS_NO__DO_IRQ 313 314config PNX8550_JBS 315 bool "NXP PNX8550 based JBS board" 316 select PNX8550 317 select SYS_SUPPORTS_LITTLE_ENDIAN 318 319config PNX8550_STB810 320 bool "NXP PNX8550 based STB810 board" 321 select PNX8550 322 select SYS_SUPPORTS_LITTLE_ENDIAN 323 324config PMC_MSP 325 bool "PMC-Sierra MSP chipsets" 326 depends on EXPERIMENTAL 327 select DMA_NONCOHERENT 328 select SWAP_IO_SPACE 329 select NO_EXCEPT_FILL 330 select BOOT_RAW 331 select SYS_HAS_CPU_MIPS32_R1 332 select SYS_HAS_CPU_MIPS32_R2 333 select SYS_SUPPORTS_32BIT_KERNEL 334 select SYS_SUPPORTS_BIG_ENDIAN 335 select SYS_SUPPORTS_KGDB 336 select IRQ_CPU 337 select SERIAL_8250 338 select SERIAL_8250_CONSOLE 339 help 340 This adds support for the PMC-Sierra family of Multi-Service 341 Processor System-On-A-Chips. These parts include a number 342 of integrated peripherals, interfaces and DSPs in addition to 343 a variety of MIPS cores. 344 345config PMC_YOSEMITE 346 bool "PMC-Sierra Yosemite eval board" 347 select CEVT_R4K 348 select CSRC_R4K 349 select DMA_COHERENT 350 select HW_HAS_PCI 351 select IRQ_CPU 352 select IRQ_CPU_RM7K 353 select IRQ_CPU_RM9K 354 select SWAP_IO_SPACE 355 select SYS_HAS_CPU_RM9000 356 select SYS_HAS_EARLY_PRINTK 357 select SYS_SUPPORTS_32BIT_KERNEL 358 select SYS_SUPPORTS_64BIT_KERNEL 359 select SYS_SUPPORTS_BIG_ENDIAN 360 select SYS_SUPPORTS_HIGHMEM 361 select SYS_SUPPORTS_KGDB 362 select SYS_SUPPORTS_SMP 363 help 364 Yosemite is an evaluation board for the RM9000x2 processor 365 manufactured by PMC-Sierra. 366 367config SGI_IP22 368 bool "SGI IP22 (Indy/Indigo2)" 369 select ARC 370 select ARC32 371 select BOOT_ELF32 372 select CEVT_R4K 373 select CSRC_R4K 374 select DEFAULT_SGI_PARTITION 375 select DMA_NONCOHERENT 376 select HW_HAS_EISA 377 select I8253 378 select I8259 379 select IP22_CPU_SCACHE 380 select IRQ_CPU 381 select GENERIC_ISA_DMA_SUPPORT_BROKEN 382 select SGI_HAS_DS1286 383 select SGI_HAS_I8042 384 select SGI_HAS_INDYDOG 385 select SGI_HAS_SEEQ 386 select SGI_HAS_WD93 387 select SGI_HAS_ZILOG 388 select SWAP_IO_SPACE 389 select SYS_HAS_CPU_R4X00 390 select SYS_HAS_CPU_R5000 391 select SYS_HAS_EARLY_PRINTK 392 select SYS_SUPPORTS_32BIT_KERNEL 393 select SYS_SUPPORTS_64BIT_KERNEL 394 select SYS_SUPPORTS_BIG_ENDIAN 395 help 396 This are the SGI Indy, Challenge S and Indigo2, as well as certain 397 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 398 that runs on these, say Y here. 399 400config SGI_IP27 401 bool "SGI IP27 (Origin200/2000)" 402 select ARC 403 select ARC64 404 select BOOT_ELF64 405 select DEFAULT_SGI_PARTITION 406 select DMA_IP27 407 select SYS_HAS_EARLY_PRINTK 408 select HW_HAS_PCI 409 select NR_CPUS_DEFAULT_64 410 select SYS_HAS_CPU_R10000 411 select SYS_SUPPORTS_64BIT_KERNEL 412 select SYS_SUPPORTS_BIG_ENDIAN 413 select SYS_SUPPORTS_KGDB 414 select SYS_SUPPORTS_NUMA 415 select SYS_SUPPORTS_SMP 416 select GENERIC_HARDIRQS_NO__DO_IRQ 417 help 418 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 419 workstations. To compile a Linux kernel that runs on these, say Y 420 here. 421 422config SGI_IP28 423 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 424 depends on EXPERIMENTAL 425 select ARC 426 select ARC64 427 select BOOT_ELF64 428 select CEVT_R4K 429 select CSRC_R4K 430 select DEFAULT_SGI_PARTITION 431 select DMA_NONCOHERENT 432 select GENERIC_ISA_DMA_SUPPORT_BROKEN 433 select IRQ_CPU 434 select HW_HAS_EISA 435 select I8253 436 select I8259 437 select SGI_HAS_DS1286 438 select SGI_HAS_I8042 439 select SGI_HAS_INDYDOG 440 select SGI_HAS_SEEQ 441 select SGI_HAS_WD93 442 select SGI_HAS_ZILOG 443 select SWAP_IO_SPACE 444 select SYS_HAS_CPU_R10000 445 select SYS_HAS_EARLY_PRINTK 446 select SYS_SUPPORTS_64BIT_KERNEL 447 select SYS_SUPPORTS_BIG_ENDIAN 448 help 449 This is the SGI Indigo2 with R10000 processor. To compile a Linux 450 kernel that runs on these, say Y here. 451 452config SGI_IP32 453 bool "SGI IP32 (O2)" 454 select ARC 455 select ARC32 456 select BOOT_ELF32 457 select CEVT_R4K 458 select CSRC_R4K 459 select DMA_NONCOHERENT 460 select HW_HAS_PCI 461 select IRQ_CPU 462 select R5000_CPU_SCACHE 463 select RM7000_CPU_SCACHE 464 select SYS_HAS_CPU_R5000 465 select SYS_HAS_CPU_R10000 if BROKEN 466 select SYS_HAS_CPU_RM7000 467 select SYS_HAS_CPU_NEVADA 468 select SYS_SUPPORTS_64BIT_KERNEL 469 select SYS_SUPPORTS_BIG_ENDIAN 470 help 471 If you want this kernel to run on SGI O2 workstation, say Y here. 472 473config SIBYTE_CRHINE 474 bool "Sibyte BCM91120C-CRhine" 475 depends on EXPERIMENTAL 476 select BOOT_ELF32 477 select DMA_COHERENT 478 select SIBYTE_BCM1120 479 select SWAP_IO_SPACE 480 select SYS_HAS_CPU_SB1 481 select SYS_SUPPORTS_BIG_ENDIAN 482 select SYS_SUPPORTS_LITTLE_ENDIAN 483 484config SIBYTE_CARMEL 485 bool "Sibyte BCM91120x-Carmel" 486 depends on EXPERIMENTAL 487 select BOOT_ELF32 488 select DMA_COHERENT 489 select SIBYTE_BCM1120 490 select SWAP_IO_SPACE 491 select SYS_HAS_CPU_SB1 492 select SYS_SUPPORTS_BIG_ENDIAN 493 select SYS_SUPPORTS_LITTLE_ENDIAN 494 495config SIBYTE_CRHONE 496 bool "Sibyte BCM91125C-CRhone" 497 depends on EXPERIMENTAL 498 select BOOT_ELF32 499 select DMA_COHERENT 500 select SIBYTE_BCM1125 501 select SWAP_IO_SPACE 502 select SYS_HAS_CPU_SB1 503 select SYS_SUPPORTS_BIG_ENDIAN 504 select SYS_SUPPORTS_HIGHMEM 505 select SYS_SUPPORTS_LITTLE_ENDIAN 506 507config SIBYTE_RHONE 508 bool "Sibyte BCM91125E-Rhone" 509 depends on EXPERIMENTAL 510 select BOOT_ELF32 511 select DMA_COHERENT 512 select SIBYTE_BCM1125H 513 select SWAP_IO_SPACE 514 select SYS_HAS_CPU_SB1 515 select SYS_SUPPORTS_BIG_ENDIAN 516 select SYS_SUPPORTS_LITTLE_ENDIAN 517 518config SIBYTE_SWARM 519 bool "Sibyte BCM91250A-SWARM" 520 select BOOT_ELF32 521 select DMA_COHERENT 522 select NR_CPUS_DEFAULT_2 523 select SIBYTE_SB1250 524 select SWAP_IO_SPACE 525 select SYS_HAS_CPU_SB1 526 select SYS_SUPPORTS_BIG_ENDIAN 527 select SYS_SUPPORTS_HIGHMEM 528 select SYS_SUPPORTS_KGDB 529 select SYS_SUPPORTS_LITTLE_ENDIAN 530 select ZONE_DMA32 if 64BIT 531 532config SIBYTE_LITTLESUR 533 bool "Sibyte BCM91250C2-LittleSur" 534 depends on EXPERIMENTAL 535 select BOOT_ELF32 536 select DMA_COHERENT 537 select NR_CPUS_DEFAULT_2 538 select SIBYTE_SB1250 539 select SWAP_IO_SPACE 540 select SYS_HAS_CPU_SB1 541 select SYS_SUPPORTS_BIG_ENDIAN 542 select SYS_SUPPORTS_HIGHMEM 543 select SYS_SUPPORTS_LITTLE_ENDIAN 544 545config SIBYTE_SENTOSA 546 bool "Sibyte BCM91250E-Sentosa" 547 depends on EXPERIMENTAL 548 select BOOT_ELF32 549 select DMA_COHERENT 550 select NR_CPUS_DEFAULT_2 551 select SIBYTE_SB1250 552 select SWAP_IO_SPACE 553 select SYS_HAS_CPU_SB1 554 select SYS_SUPPORTS_BIG_ENDIAN 555 select SYS_SUPPORTS_LITTLE_ENDIAN 556 557config SIBYTE_BIGSUR 558 bool "Sibyte BCM91480B-BigSur" 559 select BOOT_ELF32 560 select DMA_COHERENT 561 select NR_CPUS_DEFAULT_4 562 select SIBYTE_BCM1x80 563 select SWAP_IO_SPACE 564 select SYS_HAS_CPU_SB1 565 select SYS_SUPPORTS_BIG_ENDIAN 566 select SYS_SUPPORTS_HIGHMEM 567 select SYS_SUPPORTS_LITTLE_ENDIAN 568 select ZONE_DMA32 if 64BIT 569 570config SNI_RM 571 bool "SNI RM200/300/400" 572 select ARC if CPU_LITTLE_ENDIAN 573 select ARC32 if CPU_LITTLE_ENDIAN 574 select SNIPROM if CPU_BIG_ENDIAN 575 select ARCH_MAY_HAVE_PC_FDC 576 select BOOT_ELF32 577 select CEVT_R4K 578 select CSRC_R4K 579 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 580 select DMA_NONCOHERENT 581 select GENERIC_ISA_DMA 582 select HW_HAS_EISA 583 select HW_HAS_PCI 584 select IRQ_CPU 585 select I8253 586 select I8259 587 select ISA 588 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 589 select SYS_HAS_CPU_R4X00 590 select SYS_HAS_CPU_R5000 591 select SYS_HAS_CPU_R10000 592 select R5000_CPU_SCACHE 593 select SYS_HAS_EARLY_PRINTK 594 select SYS_SUPPORTS_32BIT_KERNEL 595 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 596 select SYS_SUPPORTS_BIG_ENDIAN 597 select SYS_SUPPORTS_HIGHMEM 598 select SYS_SUPPORTS_LITTLE_ENDIAN 599 help 600 The SNI RM200/300/400 are MIPS-based machines manufactured by 601 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 602 Technology and now in turn merged with Fujitsu. Say Y here to 603 support this machine type. 604 605config TOSHIBA_JMR3927 606 bool "Toshiba JMR-TX3927 board" 607 select CEVT_TXX9 608 select DMA_NONCOHERENT 609 select HW_HAS_PCI 610 select MIPS_TX3927 611 select IRQ_TXX9 612 select SWAP_IO_SPACE 613 select SYS_HAS_CPU_TX39XX 614 select SYS_SUPPORTS_32BIT_KERNEL 615 select SYS_SUPPORTS_LITTLE_ENDIAN 616 select SYS_SUPPORTS_BIG_ENDIAN 617 select GENERIC_HARDIRQS_NO__DO_IRQ 618 select GPIO_TXX9 619 620config TOSHIBA_RBTX4927 621 bool "Toshiba RBTX49[23]7 board" 622 select CEVT_R4K 623 select CSRC_R4K 624 select CEVT_TXX9 625 select DMA_NONCOHERENT 626 select HAS_TXX9_SERIAL 627 select HW_HAS_PCI 628 select IRQ_CPU 629 select IRQ_TXX9 630 select I8259 if TOSHIBA_FPCIB0 631 select SWAP_IO_SPACE 632 select SYS_HAS_CPU_TX49XX 633 select SYS_SUPPORTS_32BIT_KERNEL 634 select SYS_SUPPORTS_64BIT_KERNEL 635 select SYS_SUPPORTS_LITTLE_ENDIAN 636 select SYS_SUPPORTS_BIG_ENDIAN 637 select SYS_SUPPORTS_KGDB 638 select GENERIC_HARDIRQS_NO__DO_IRQ 639 help 640 This Toshiba board is based on the TX4927 processor. Say Y here to 641 support this machine type 642 643config TOSHIBA_RBTX4938 644 bool "Toshiba RBTX4938 board" 645 select CEVT_R4K 646 select CSRC_R4K 647 select CEVT_TXX9 648 select DMA_NONCOHERENT 649 select HAS_TXX9_SERIAL 650 select HW_HAS_PCI 651 select IRQ_CPU 652 select IRQ_TXX9 653 select SWAP_IO_SPACE 654 select SYS_HAS_CPU_TX49XX 655 select SYS_SUPPORTS_32BIT_KERNEL 656 select SYS_SUPPORTS_LITTLE_ENDIAN 657 select SYS_SUPPORTS_BIG_ENDIAN 658 select SYS_SUPPORTS_KGDB 659 select GENERIC_HARDIRQS_NO__DO_IRQ 660 select GPIO_TXX9 661 help 662 This Toshiba board is based on the TX4938 processor. Say Y here to 663 support this machine type 664 665config WR_PPMC 666 bool "Wind River PPMC board" 667 select CEVT_R4K 668 select CSRC_R4K 669 select IRQ_CPU 670 select BOOT_ELF32 671 select DMA_NONCOHERENT 672 select HW_HAS_PCI 673 select PCI_GT64XXX_PCI0 674 select SWAP_IO_SPACE 675 select SYS_HAS_CPU_MIPS32_R1 676 select SYS_HAS_CPU_MIPS32_R2 677 select SYS_HAS_CPU_MIPS64_R1 678 select SYS_HAS_CPU_NEVADA 679 select SYS_HAS_CPU_RM7000 680 select SYS_SUPPORTS_32BIT_KERNEL 681 select SYS_SUPPORTS_64BIT_KERNEL 682 select SYS_SUPPORTS_BIG_ENDIAN 683 select SYS_SUPPORTS_LITTLE_ENDIAN 684 help 685 This enables support for the Wind River MIPS32 4KC PPMC evaluation 686 board, which is based on GT64120 bridge chip. 687 688endchoice 689 690source "arch/mips/au1000/Kconfig" 691source "arch/mips/basler/excite/Kconfig" 692source "arch/mips/jazz/Kconfig" 693source "arch/mips/lasat/Kconfig" 694source "arch/mips/pmc-sierra/Kconfig" 695source "arch/mips/sgi-ip27/Kconfig" 696source "arch/mips/sibyte/Kconfig" 697source "arch/mips/tx4927/Kconfig" 698source "arch/mips/tx4938/Kconfig" 699source "arch/mips/vr41xx/Kconfig" 700 701endmenu 702 703config GENERIC_LOCKBREAK 704 bool 705 default y 706 depends on SMP && PREEMPT 707 708config RWSEM_GENERIC_SPINLOCK 709 bool 710 default y 711 712config RWSEM_XCHGADD_ALGORITHM 713 bool 714 715config ARCH_HAS_ILOG2_U32 716 bool 717 default n 718 719config ARCH_HAS_ILOG2_U64 720 bool 721 default n 722 723config ARCH_SUPPORTS_OPROFILE 724 bool 725 default y if !MIPS_MT_SMTC 726 727config GENERIC_FIND_NEXT_BIT 728 bool 729 default y 730 731config GENERIC_HWEIGHT 732 bool 733 default y 734 735config GENERIC_CALIBRATE_DELAY 736 bool 737 default y 738 739config GENERIC_CLOCKEVENTS 740 bool 741 default y 742 743config GENERIC_TIME 744 bool 745 default y 746 747config GENERIC_CMOS_UPDATE 748 bool 749 default y 750 751config SCHED_NO_NO_OMIT_FRAME_POINTER 752 bool 753 default y 754 755config GENERIC_HARDIRQS_NO__DO_IRQ 756 bool 757 default n 758 759# 760# Select some configuration options automatically based on user selections. 761# 762config ARC 763 bool 764 765config ARCH_MAY_HAVE_PC_FDC 766 bool 767 768config BOOT_RAW 769 bool 770 771config CEVT_BCM1480 772 bool 773 774config CEVT_DS1287 775 bool 776 777config CEVT_GT641XX 778 bool 779 780config CEVT_R4K 781 bool 782 783config CEVT_SB1250 784 bool 785 786config CEVT_TXX9 787 bool 788 789config CSRC_BCM1480 790 bool 791 792config CSRC_IOASIC 793 bool 794 795config CSRC_R4K 796 bool 797 798config CSRC_SB1250 799 bool 800 801config GPIO_TXX9 802 select GENERIC_GPIO 803 select HAVE_GPIO_LIB 804 bool 805 806config CFE 807 bool 808 809config DMA_COHERENT 810 bool 811 812config DMA_IP27 813 bool 814 815config DMA_NONCOHERENT 816 bool 817 select DMA_NEED_PCI_MAP_STATE 818 819config DMA_NEED_PCI_MAP_STATE 820 bool 821 822config EARLY_PRINTK 823 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 824 depends on SYS_HAS_EARLY_PRINTK 825 default y 826 help 827 This option enables special console drivers which allow the kernel 828 to print messages very early in the bootup process. 829 830 This is useful for kernel debugging when your machine crashes very 831 early before the console code is initialized. For normal operation, 832 it is not recommended because it looks ugly on some machines and 833 doesn't cooperate with an X server. You should normally say N here, 834 unless you want to debug such a crash. 835 836config SYS_HAS_EARLY_PRINTK 837 bool 838 839config HOTPLUG_CPU 840 bool 841 default n 842 843config I8259 844 bool 845 846config MIPS_BONITO64 847 bool 848 849config MIPS_MSC 850 bool 851 852config MIPS_NILE4 853 bool 854 855config MIPS_DISABLE_OBSOLETE_IDE 856 bool 857 858config SYNC_R4K 859 bool 860 861config NO_IOPORT 862 def_bool n 863 864config GENERIC_ISA_DMA 865 bool 866 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 867 868config GENERIC_ISA_DMA_SUPPORT_BROKEN 869 bool 870 select GENERIC_ISA_DMA 871 872config GENERIC_GPIO 873 bool 874 875# 876# Endianess selection. Sufficiently obscure so many users don't know what to 877# answer,so we try hard to limit the available choices. Also the use of a 878# choice statement should be more obvious to the user. 879# 880choice 881 prompt "Endianess selection" 882 help 883 Some MIPS machines can be configured for either little or big endian 884 byte order. These modes require different kernels and a different 885 Linux distribution. In general there is one preferred byteorder for a 886 particular system but some systems are just as commonly used in the 887 one or the other endianness. 888 889config CPU_BIG_ENDIAN 890 bool "Big endian" 891 depends on SYS_SUPPORTS_BIG_ENDIAN 892 893config CPU_LITTLE_ENDIAN 894 bool "Little endian" 895 depends on SYS_SUPPORTS_LITTLE_ENDIAN 896 help 897 898endchoice 899 900config SYS_SUPPORTS_APM_EMULATION 901 bool 902 903config SYS_SUPPORTS_BIG_ENDIAN 904 bool 905 906config SYS_SUPPORTS_LITTLE_ENDIAN 907 bool 908 909config IRQ_CPU 910 bool 911 912config IRQ_CPU_RM7K 913 bool 914 915config IRQ_CPU_RM9K 916 bool 917 918config IRQ_MSP_SLP 919 bool 920 921config IRQ_MSP_CIC 922 bool 923 924config IRQ_TXX9 925 bool 926 927config IRQ_GT641XX 928 bool 929 930config IRQ_GIC 931 bool 932 933config MIPS_BOARDS_GEN 934 bool 935 936config PCI_GT64XXX_PCI0 937 bool 938 939config NO_EXCEPT_FILL 940 bool 941 942config MIPS_TX3927 943 bool 944 select HAS_TXX9_SERIAL 945 946config MIPS_RM9122 947 bool 948 select SERIAL_RM9000 949 950config PNX8550 951 bool 952 select SOC_PNX8550 953 954config SOC_PNX8550 955 bool 956 select DMA_NONCOHERENT 957 select HW_HAS_PCI 958 select SYS_HAS_CPU_MIPS32_R1 959 select SYS_HAS_EARLY_PRINTK 960 select SYS_SUPPORTS_32BIT_KERNEL 961 select GENERIC_HARDIRQS_NO__DO_IRQ 962 select SYS_SUPPORTS_KGDB 963 select GENERIC_GPIO 964 965config SWAP_IO_SPACE 966 bool 967 968config EMMA2RH 969 bool 970 depends on MARKEINS 971 default y 972 973config SERIAL_RM9000 974 bool 975 976config SGI_HAS_DS1286 977 bool 978 979config SGI_HAS_INDYDOG 980 bool 981 982config SGI_HAS_SEEQ 983 bool 984 985config SGI_HAS_WD93 986 bool 987 988config SGI_HAS_ZILOG 989 bool 990 991config SGI_HAS_I8042 992 bool 993 994config DEFAULT_SGI_PARTITION 995 bool 996 997config ARC32 998 bool 999 1000config SNIPROM 1001 bool 1002 1003config BOOT_ELF32 1004 bool 1005 1006config MIPS_L1_CACHE_SHIFT 1007 int 1008 default "4" if MACH_DECSTATION 1009 default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 1010 default "4" if PMC_MSP4200_EVAL 1011 default "5" 1012 1013config HAVE_STD_PC_SERIAL_PORT 1014 bool 1015 1016config ARC_CONSOLE 1017 bool "ARC console support" 1018 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1019 1020config ARC_MEMORY 1021 bool 1022 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1023 default y 1024 1025config ARC_PROMLIB 1026 bool 1027 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1028 default y 1029 1030config ARC64 1031 bool 1032 1033config BOOT_ELF64 1034 bool 1035 1036menu "CPU selection" 1037 1038choice 1039 prompt "CPU type" 1040 default CPU_R4X00 1041 1042config CPU_LOONGSON2 1043 bool "Loongson 2" 1044 depends on SYS_HAS_CPU_LOONGSON2 1045 select CPU_SUPPORTS_32BIT_KERNEL 1046 select CPU_SUPPORTS_64BIT_KERNEL 1047 select CPU_SUPPORTS_HIGHMEM 1048 help 1049 The Loongson 2E processor implements the MIPS III instruction set 1050 with many extensions. 1051 1052config CPU_MIPS32_R1 1053 bool "MIPS32 Release 1" 1054 depends on SYS_HAS_CPU_MIPS32_R1 1055 select CPU_HAS_LLSC 1056 select CPU_HAS_PREFETCH 1057 select CPU_SUPPORTS_32BIT_KERNEL 1058 select CPU_SUPPORTS_HIGHMEM 1059 help 1060 Choose this option to build a kernel for release 1 or later of the 1061 MIPS32 architecture. Most modern embedded systems with a 32-bit 1062 MIPS processor are based on a MIPS32 processor. If you know the 1063 specific type of processor in your system, choose those that one 1064 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1065 Release 2 of the MIPS32 architecture is available since several 1066 years so chances are you even have a MIPS32 Release 2 processor 1067 in which case you should choose CPU_MIPS32_R2 instead for better 1068 performance. 1069 1070config CPU_MIPS32_R2 1071 bool "MIPS32 Release 2" 1072 depends on SYS_HAS_CPU_MIPS32_R2 1073 select CPU_HAS_LLSC 1074 select CPU_HAS_PREFETCH 1075 select CPU_SUPPORTS_32BIT_KERNEL 1076 select CPU_SUPPORTS_HIGHMEM 1077 help 1078 Choose this option to build a kernel for release 2 or later of the 1079 MIPS32 architecture. Most modern embedded systems with a 32-bit 1080 MIPS processor are based on a MIPS32 processor. If you know the 1081 specific type of processor in your system, choose those that one 1082 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1083 1084config CPU_MIPS64_R1 1085 bool "MIPS64 Release 1" 1086 depends on SYS_HAS_CPU_MIPS64_R1 1087 select CPU_HAS_LLSC 1088 select CPU_HAS_PREFETCH 1089 select CPU_SUPPORTS_32BIT_KERNEL 1090 select CPU_SUPPORTS_64BIT_KERNEL 1091 select CPU_SUPPORTS_HIGHMEM 1092 help 1093 Choose this option to build a kernel for release 1 or later of the 1094 MIPS64 architecture. Many modern embedded systems with a 64-bit 1095 MIPS processor are based on a MIPS64 processor. If you know the 1096 specific type of processor in your system, choose those that one 1097 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1098 Release 2 of the MIPS64 architecture is available since several 1099 years so chances are you even have a MIPS64 Release 2 processor 1100 in which case you should choose CPU_MIPS64_R2 instead for better 1101 performance. 1102 1103config CPU_MIPS64_R2 1104 bool "MIPS64 Release 2" 1105 depends on SYS_HAS_CPU_MIPS64_R2 1106 select CPU_HAS_LLSC 1107 select CPU_HAS_PREFETCH 1108 select CPU_SUPPORTS_32BIT_KERNEL 1109 select CPU_SUPPORTS_64BIT_KERNEL 1110 select CPU_SUPPORTS_HIGHMEM 1111 help 1112 Choose this option to build a kernel for release 2 or later of the 1113 MIPS64 architecture. Many modern embedded systems with a 64-bit 1114 MIPS processor are based on a MIPS64 processor. If you know the 1115 specific type of processor in your system, choose those that one 1116 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1117 1118config CPU_R3000 1119 bool "R3000" 1120 depends on SYS_HAS_CPU_R3000 1121 select CPU_HAS_WB 1122 select CPU_SUPPORTS_32BIT_KERNEL 1123 select CPU_SUPPORTS_HIGHMEM 1124 help 1125 Please make sure to pick the right CPU type. Linux/MIPS is not 1126 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1127 *not* work on R4000 machines and vice versa. However, since most 1128 of the supported machines have an R4000 (or similar) CPU, R4x00 1129 might be a safe bet. If the resulting kernel does not work, 1130 try to recompile with R3000. 1131 1132config CPU_TX39XX 1133 bool "R39XX" 1134 depends on SYS_HAS_CPU_TX39XX 1135 select CPU_SUPPORTS_32BIT_KERNEL 1136 1137config CPU_VR41XX 1138 bool "R41xx" 1139 depends on SYS_HAS_CPU_VR41XX 1140 select CPU_SUPPORTS_32BIT_KERNEL 1141 select CPU_SUPPORTS_64BIT_KERNEL 1142 help 1143 The options selects support for the NEC VR4100 series of processors. 1144 Only choose this option if you have one of these processors as a 1145 kernel built with this option will not run on any other type of 1146 processor or vice versa. 1147 1148config CPU_R4300 1149 bool "R4300" 1150 depends on SYS_HAS_CPU_R4300 1151 select CPU_HAS_LLSC 1152 select CPU_SUPPORTS_32BIT_KERNEL 1153 select CPU_SUPPORTS_64BIT_KERNEL 1154 help 1155 MIPS Technologies R4300-series processors. 1156 1157config CPU_R4X00 1158 bool "R4x00" 1159 depends on SYS_HAS_CPU_R4X00 1160 select CPU_HAS_LLSC 1161 select CPU_SUPPORTS_32BIT_KERNEL 1162 select CPU_SUPPORTS_64BIT_KERNEL 1163 help 1164 MIPS Technologies R4000-series processors other than 4300, including 1165 the R4000, R4400, R4600, and 4700. 1166 1167config CPU_TX49XX 1168 bool "R49XX" 1169 depends on SYS_HAS_CPU_TX49XX 1170 select CPU_HAS_LLSC 1171 select CPU_HAS_PREFETCH 1172 select CPU_SUPPORTS_32BIT_KERNEL 1173 select CPU_SUPPORTS_64BIT_KERNEL 1174 1175config CPU_R5000 1176 bool "R5000" 1177 depends on SYS_HAS_CPU_R5000 1178 select CPU_HAS_LLSC 1179 select CPU_SUPPORTS_32BIT_KERNEL 1180 select CPU_SUPPORTS_64BIT_KERNEL 1181 help 1182 MIPS Technologies R5000-series processors other than the Nevada. 1183 1184config CPU_R5432 1185 bool "R5432" 1186 depends on SYS_HAS_CPU_R5432 1187 select CPU_HAS_LLSC 1188 select CPU_SUPPORTS_32BIT_KERNEL 1189 select CPU_SUPPORTS_64BIT_KERNEL 1190 1191config CPU_R6000 1192 bool "R6000" 1193 depends on EXPERIMENTAL 1194 select CPU_HAS_LLSC 1195 depends on SYS_HAS_CPU_R6000 1196 select CPU_SUPPORTS_32BIT_KERNEL 1197 help 1198 MIPS Technologies R6000 and R6000A series processors. Note these 1199 processors are extremely rare and the support for them is incomplete. 1200 1201config CPU_NEVADA 1202 bool "RM52xx" 1203 depends on SYS_HAS_CPU_NEVADA 1204 select CPU_HAS_LLSC 1205 select CPU_SUPPORTS_32BIT_KERNEL 1206 select CPU_SUPPORTS_64BIT_KERNEL 1207 help 1208 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1209 1210config CPU_R8000 1211 bool "R8000" 1212 depends on EXPERIMENTAL 1213 depends on SYS_HAS_CPU_R8000 1214 select CPU_HAS_LLSC 1215 select CPU_HAS_PREFETCH 1216 select CPU_SUPPORTS_64BIT_KERNEL 1217 help 1218 MIPS Technologies R8000 processors. Note these processors are 1219 uncommon and the support for them is incomplete. 1220 1221config CPU_R10000 1222 bool "R10000" 1223 depends on SYS_HAS_CPU_R10000 1224 select CPU_HAS_LLSC 1225 select CPU_HAS_PREFETCH 1226 select CPU_SUPPORTS_32BIT_KERNEL 1227 select CPU_SUPPORTS_64BIT_KERNEL 1228 select CPU_SUPPORTS_HIGHMEM 1229 help 1230 MIPS Technologies R10000-series processors. 1231 1232config CPU_RM7000 1233 bool "RM7000" 1234 depends on SYS_HAS_CPU_RM7000 1235 select CPU_HAS_LLSC 1236 select CPU_HAS_PREFETCH 1237 select CPU_SUPPORTS_32BIT_KERNEL 1238 select CPU_SUPPORTS_64BIT_KERNEL 1239 select CPU_SUPPORTS_HIGHMEM 1240 1241config CPU_RM9000 1242 bool "RM9000" 1243 depends on SYS_HAS_CPU_RM9000 1244 select CPU_HAS_LLSC 1245 select CPU_HAS_PREFETCH 1246 select CPU_SUPPORTS_32BIT_KERNEL 1247 select CPU_SUPPORTS_64BIT_KERNEL 1248 select CPU_SUPPORTS_HIGHMEM 1249 select WEAK_ORDERING 1250 1251config CPU_SB1 1252 bool "SB1" 1253 depends on SYS_HAS_CPU_SB1 1254 select CPU_HAS_LLSC 1255 select CPU_SUPPORTS_32BIT_KERNEL 1256 select CPU_SUPPORTS_64BIT_KERNEL 1257 select CPU_SUPPORTS_HIGHMEM 1258 select WEAK_ORDERING 1259 1260endchoice 1261 1262config SYS_HAS_CPU_LOONGSON2 1263 bool 1264 1265config SYS_HAS_CPU_MIPS32_R1 1266 bool 1267 1268config SYS_HAS_CPU_MIPS32_R2 1269 bool 1270 1271config SYS_HAS_CPU_MIPS64_R1 1272 bool 1273 1274config SYS_HAS_CPU_MIPS64_R2 1275 bool 1276 1277config SYS_HAS_CPU_R3000 1278 bool 1279 1280config SYS_HAS_CPU_TX39XX 1281 bool 1282 1283config SYS_HAS_CPU_VR41XX 1284 bool 1285 1286config SYS_HAS_CPU_R4300 1287 bool 1288 1289config SYS_HAS_CPU_R4X00 1290 bool 1291 1292config SYS_HAS_CPU_TX49XX 1293 bool 1294 1295config SYS_HAS_CPU_R5000 1296 bool 1297 1298config SYS_HAS_CPU_R5432 1299 bool 1300 1301config SYS_HAS_CPU_R6000 1302 bool 1303 1304config SYS_HAS_CPU_NEVADA 1305 bool 1306 1307config SYS_HAS_CPU_R8000 1308 bool 1309 1310config SYS_HAS_CPU_R10000 1311 bool 1312 1313config SYS_HAS_CPU_RM7000 1314 bool 1315 1316config SYS_HAS_CPU_RM9000 1317 bool 1318 1319config SYS_HAS_CPU_SB1 1320 bool 1321 1322# 1323# CPU may reorder R->R, R->W, W->R, W->W 1324# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1325# 1326config WEAK_ORDERING 1327 bool 1328 1329# 1330# CPU may reorder reads and writes beyond LL/SC 1331# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1332# 1333config WEAK_REORDERING_BEYOND_LLSC 1334 bool 1335endmenu 1336 1337# 1338# These two indicate any level of the MIPS32 and MIPS64 architecture 1339# 1340config CPU_MIPS32 1341 bool 1342 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1343 1344config CPU_MIPS64 1345 bool 1346 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1347 1348# 1349# These two indicate the revision of the architecture, either Release 1 or Release 2 1350# 1351config CPU_MIPSR1 1352 bool 1353 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1354 1355config CPU_MIPSR2 1356 bool 1357 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1358 1359config SYS_SUPPORTS_32BIT_KERNEL 1360 bool 1361config SYS_SUPPORTS_64BIT_KERNEL 1362 bool 1363config CPU_SUPPORTS_32BIT_KERNEL 1364 bool 1365config CPU_SUPPORTS_64BIT_KERNEL 1366 bool 1367 1368menu "Kernel type" 1369 1370choice 1371 1372 prompt "Kernel code model" 1373 help 1374 You should only select this option if you have a workload that 1375 actually benefits from 64-bit processing or if your machine has 1376 large memory. You will only be presented a single option in this 1377 menu if your system does not support both 32-bit and 64-bit kernels. 1378 1379config 32BIT 1380 bool "32-bit kernel" 1381 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1382 select TRAD_SIGNALS 1383 help 1384 Select this option if you want to build a 32-bit kernel. 1385config 64BIT 1386 bool "64-bit kernel" 1387 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1388 help 1389 Select this option if you want to build a 64-bit kernel. 1390 1391endchoice 1392 1393choice 1394 prompt "Kernel page size" 1395 default PAGE_SIZE_4KB 1396 1397config PAGE_SIZE_4KB 1398 bool "4kB" 1399 help 1400 This option select the standard 4kB Linux page size. On some 1401 R3000-family processors this is the only available page size. Using 1402 4kB page size will minimize memory consumption and is therefore 1403 recommended for low memory systems. 1404 1405config PAGE_SIZE_8KB 1406 bool "8kB" 1407 depends on EXPERIMENTAL && CPU_R8000 1408 help 1409 Using 8kB page size will result in higher performance kernel at 1410 the price of higher memory consumption. This option is available 1411 only on the R8000 processor. Not that at the time of this writing 1412 this option is still high experimental; there are also issues with 1413 compatibility of user applications. 1414 1415config PAGE_SIZE_16KB 1416 bool "16kB" 1417 depends on !CPU_R3000 && !CPU_TX39XX 1418 help 1419 Using 16kB page size will result in higher performance kernel at 1420 the price of higher memory consumption. This option is available on 1421 all non-R3000 family processors. Note that you will need a suitable 1422 Linux distribution to support this. 1423 1424config PAGE_SIZE_64KB 1425 bool "64kB" 1426 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1427 help 1428 Using 64kB page size will result in higher performance kernel at 1429 the price of higher memory consumption. This option is available on 1430 all non-R3000 family processor. Not that at the time of this 1431 writing this option is still high experimental. 1432 1433endchoice 1434 1435config BOARD_SCACHE 1436 bool 1437 1438config IP22_CPU_SCACHE 1439 bool 1440 select BOARD_SCACHE 1441 1442# 1443# Support for a MIPS32 / MIPS64 style S-caches 1444# 1445config MIPS_CPU_SCACHE 1446 bool 1447 select BOARD_SCACHE 1448 1449config R5000_CPU_SCACHE 1450 bool 1451 select BOARD_SCACHE 1452 1453config RM7000_CPU_SCACHE 1454 bool 1455 select BOARD_SCACHE 1456 1457config SIBYTE_DMA_PAGEOPS 1458 bool "Use DMA to clear/copy pages" 1459 depends on CPU_SB1 1460 help 1461 Instead of using the CPU to zero and copy pages, use a Data Mover 1462 channel. These DMA channels are otherwise unused by the standard 1463 SiByte Linux port. Seems to give a small performance benefit. 1464 1465config CPU_HAS_PREFETCH 1466 bool 1467 1468choice 1469 prompt "MIPS MT options" 1470 1471config MIPS_MT_DISABLED 1472 bool "Disable multithreading support." 1473 help 1474 Use this option if your workload can't take advantage of 1475 MIPS hardware multithreading support. On systems that don't have 1476 the option of an MT-enabled processor this option will be the only 1477 option in this menu. 1478 1479config MIPS_MT_SMP 1480 bool "Use 1 TC on each available VPE for SMP" 1481 depends on SYS_SUPPORTS_MULTITHREADING 1482 select CPU_MIPSR2_IRQ_VI 1483 select CPU_MIPSR2_IRQ_EI 1484 select MIPS_MT 1485 select NR_CPUS_DEFAULT_2 1486 select SMP 1487 select SYS_SUPPORTS_SCHED_SMT if SMP 1488 select SYS_SUPPORTS_SMP 1489 select SMP_UP 1490 help 1491 This is a kernel model which is also known a VSMP or lately 1492 has been marketesed into SMVP. 1493 1494config MIPS_MT_SMTC 1495 bool "SMTC: Use all TCs on all VPEs for SMP" 1496 depends on CPU_MIPS32_R2 1497 #depends on CPU_MIPS64_R2 # once there is hardware ... 1498 depends on SYS_SUPPORTS_MULTITHREADING 1499 select GENERIC_CLOCKEVENTS_BROADCAST 1500 select CPU_MIPSR2_IRQ_VI 1501 select CPU_MIPSR2_IRQ_EI 1502 select MIPS_MT 1503 select NR_CPUS_DEFAULT_8 1504 select SMP 1505 select SYS_SUPPORTS_SMP 1506 select SMP_UP 1507 help 1508 This is a kernel model which is known a SMTC or lately has been 1509 marketesed into SMVP. 1510 1511endchoice 1512 1513config MIPS_MT 1514 bool 1515 1516config SCHED_SMT 1517 bool "SMT (multithreading) scheduler support" 1518 depends on SYS_SUPPORTS_SCHED_SMT 1519 default n 1520 help 1521 SMT scheduler support improves the CPU scheduler's decision making 1522 when dealing with MIPS MT enabled cores at a cost of slightly 1523 increased overhead in some places. If unsure say N here. 1524 1525config SYS_SUPPORTS_SCHED_SMT 1526 bool 1527 1528 1529config SYS_SUPPORTS_MULTITHREADING 1530 bool 1531 1532config MIPS_MT_FPAFF 1533 bool "Dynamic FPU affinity for FP-intensive threads" 1534 default y 1535 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1536 1537config MIPS_VPE_LOADER 1538 bool "VPE loader support." 1539 depends on SYS_SUPPORTS_MULTITHREADING 1540 select CPU_MIPSR2_IRQ_VI 1541 select CPU_MIPSR2_IRQ_EI 1542 select MIPS_MT 1543 help 1544 Includes a loader for loading an elf relocatable object 1545 onto another VPE and running it. 1546 1547config MIPS_MT_SMTC_INSTANT_REPLAY 1548 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1549 depends on MIPS_MT_SMTC && !PREEMPT 1550 default y 1551 help 1552 SMTC pseudo-interrupts between TCs are deferred and queued 1553 if the target TC is interrupt-inhibited (IXMT). In the first 1554 SMTC prototypes, these queued IPIs were serviced on return 1555 to user mode, or on entry into the kernel idle loop. The 1556 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1557 processing, which adds runtime overhead (hence the option to turn 1558 it off), but ensures that IPIs are handled promptly even under 1559 heavy I/O interrupt load. 1560 1561config MIPS_MT_SMTC_IM_BACKSTOP 1562 bool "Use per-TC register bits as backstop for inhibited IM bits" 1563 depends on MIPS_MT_SMTC 1564 default y 1565 help 1566 To support multiple TC microthreads acting as "CPUs" within 1567 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1568 during interrupt handling. To support legacy drivers and interrupt 1569 controller management code, SMTC has a "backstop" to track and 1570 if necessary restore the interrupt mask. This has some performance 1571 impact on interrupt service overhead. Disable it only if you know 1572 what you are doing. 1573 1574config MIPS_MT_SMTC_IRQAFF 1575 bool "Support IRQ affinity API" 1576 depends on MIPS_MT_SMTC 1577 default n 1578 help 1579 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1580 for SMTC Linux kernel. Requires platform support, of which 1581 an example can be found in the MIPS kernel i8259 and Malta 1582 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1583 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1584 interrupt dispatch, and should be used only if you know what 1585 you are doing. 1586 1587config MIPS_VPE_LOADER_TOM 1588 bool "Load VPE program into memory hidden from linux" 1589 depends on MIPS_VPE_LOADER 1590 default y 1591 help 1592 The loader can use memory that is present but has been hidden from 1593 Linux using the kernel command line option "mem=xxMB". It's up to 1594 you to ensure the amount you put in the option and the space your 1595 program requires is less or equal to the amount physically present. 1596 1597# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1598config MIPS_VPE_APSP_API 1599 bool "Enable support for AP/SP API (RTLX)" 1600 depends on MIPS_VPE_LOADER 1601 help 1602 1603config MIPS_APSP_KSPD 1604 bool "Enable KSPD" 1605 depends on MIPS_VPE_APSP_API 1606 default y 1607 help 1608 KSPD is a kernel daemon that accepts syscall requests from the SP 1609 side, actions them and returns the results. It also handles the 1610 "exit" syscall notifying other kernel modules the SP program is 1611 exiting. You probably want to say yes here. 1612 1613config SB1_PASS_1_WORKAROUNDS 1614 bool 1615 depends on CPU_SB1_PASS_1 1616 default y 1617 1618config SB1_PASS_2_WORKAROUNDS 1619 bool 1620 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1621 default y 1622 1623config SB1_PASS_2_1_WORKAROUNDS 1624 bool 1625 depends on CPU_SB1 && CPU_SB1_PASS_2 1626 default y 1627 1628config 64BIT_PHYS_ADDR 1629 bool 1630 1631config CPU_HAS_LLSC 1632 bool 1633 1634config CPU_HAS_SMARTMIPS 1635 depends on SYS_SUPPORTS_SMARTMIPS 1636 bool "Support for the SmartMIPS ASE" 1637 help 1638 SmartMIPS is a extension of the MIPS32 architecture aimed at 1639 increased security at both hardware and software level for 1640 smartcards. Enabling this option will allow proper use of the 1641 SmartMIPS instructions by Linux applications. However a kernel with 1642 this option will not work on a MIPS core without SmartMIPS core. If 1643 you don't know you probably don't have SmartMIPS and should say N 1644 here. 1645 1646config CPU_HAS_WB 1647 bool 1648 1649# 1650# Vectored interrupt mode is an R2 feature 1651# 1652config CPU_MIPSR2_IRQ_VI 1653 bool 1654 1655# 1656# Extended interrupt mode is an R2 feature 1657# 1658config CPU_MIPSR2_IRQ_EI 1659 bool 1660 1661config CPU_HAS_SYNC 1662 bool 1663 depends on !CPU_R3000 1664 default y 1665 1666config GENERIC_CLOCKEVENTS_BROADCAST 1667 bool 1668 1669# 1670# CPU non-features 1671# 1672config CPU_DADDI_WORKAROUNDS 1673 bool 1674 1675config CPU_R4000_WORKAROUNDS 1676 bool 1677 select CPU_R4400_WORKAROUNDS 1678 1679config CPU_R4400_WORKAROUNDS 1680 bool 1681 1682# 1683# Use the generic interrupt handling code in kernel/irq/: 1684# 1685config GENERIC_HARDIRQS 1686 bool 1687 default y 1688 1689config GENERIC_IRQ_PROBE 1690 bool 1691 default y 1692 1693config IRQ_PER_CPU 1694 bool 1695 1696# 1697# - Highmem only makes sense for the 32-bit kernel. 1698# - The current highmem code will only work properly on physically indexed 1699# caches such as R3000, SB1, R7000 or those that look like they're virtually 1700# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1701# moment we protect the user and offer the highmem option only on machines 1702# where it's known to be safe. This will not offer highmem on a few systems 1703# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1704# indexed CPUs but we're playing safe. 1705# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1706# know they might have memory configurations that could make use of highmem 1707# support. 1708# 1709config HIGHMEM 1710 bool "High Memory Support" 1711 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1712 1713config CPU_SUPPORTS_HIGHMEM 1714 bool 1715 1716config SYS_SUPPORTS_HIGHMEM 1717 bool 1718 1719config SYS_SUPPORTS_SMARTMIPS 1720 bool 1721 1722config ARCH_FLATMEM_ENABLE 1723 def_bool y 1724 depends on !NUMA 1725 1726config ARCH_DISCONTIGMEM_ENABLE 1727 bool 1728 default y if SGI_IP27 1729 help 1730 Say Y to support efficient handling of discontiguous physical memory, 1731 for architectures which are either NUMA (Non-Uniform Memory Access) 1732 or have huge holes in the physical address space for other reasons. 1733 See <file:Documentation/vm/numa> for more. 1734 1735config ARCH_POPULATES_NODE_MAP 1736 def_bool y 1737 1738config ARCH_SPARSEMEM_ENABLE 1739 bool 1740 select SPARSEMEM_STATIC 1741 1742config NUMA 1743 bool "NUMA Support" 1744 depends on SYS_SUPPORTS_NUMA 1745 help 1746 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1747 Access). This option improves performance on systems with more 1748 than two nodes; on two node systems it is generally better to 1749 leave it disabled; on single node systems disable this option 1750 disabled. 1751 1752config SYS_SUPPORTS_NUMA 1753 bool 1754 1755config NODES_SHIFT 1756 int 1757 default "6" 1758 depends on NEED_MULTIPLE_NODES 1759 1760source "mm/Kconfig" 1761 1762config SMP 1763 bool "Multi-Processing support" 1764 depends on SYS_SUPPORTS_SMP 1765 select IRQ_PER_CPU 1766 help 1767 This enables support for systems with more than one CPU. If you have 1768 a system with only one CPU, like most personal computers, say N. If 1769 you have a system with more than one CPU, say Y. 1770 1771 If you say N here, the kernel will run on single and multiprocessor 1772 machines, but will use only one CPU of a multiprocessor machine. If 1773 you say Y here, the kernel will run on many, but not all, 1774 singleprocessor machines. On a singleprocessor machine, the kernel 1775 will run faster if you say N here. 1776 1777 People using multiprocessor machines who say Y here should also say 1778 Y to "Enhanced Real Time Clock Support", below. 1779 1780 See also the SMP-HOWTO available at 1781 <http://www.tldp.org/docs.html#howto>. 1782 1783 If you don't know what to do here, say N. 1784 1785config SMP_UP 1786 bool 1787 1788config SYS_SUPPORTS_SMP 1789 bool 1790 1791config NR_CPUS_DEFAULT_1 1792 bool 1793 1794config NR_CPUS_DEFAULT_2 1795 bool 1796 1797config NR_CPUS_DEFAULT_4 1798 bool 1799 1800config NR_CPUS_DEFAULT_8 1801 bool 1802 1803config NR_CPUS_DEFAULT_16 1804 bool 1805 1806config NR_CPUS_DEFAULT_32 1807 bool 1808 1809config NR_CPUS_DEFAULT_64 1810 bool 1811 1812config NR_CPUS 1813 int "Maximum number of CPUs (2-64)" 1814 range 1 64 if NR_CPUS_DEFAULT_1 1815 depends on SMP 1816 default "1" if NR_CPUS_DEFAULT_1 1817 default "2" if NR_CPUS_DEFAULT_2 1818 default "4" if NR_CPUS_DEFAULT_4 1819 default "8" if NR_CPUS_DEFAULT_8 1820 default "16" if NR_CPUS_DEFAULT_16 1821 default "32" if NR_CPUS_DEFAULT_32 1822 default "64" if NR_CPUS_DEFAULT_64 1823 help 1824 This allows you to specify the maximum number of CPUs which this 1825 kernel will support. The maximum supported value is 32 for 32-bit 1826 kernel and 64 for 64-bit kernels; the minimum value which makes 1827 sense is 1 for Qemu (useful only for kernel debugging purposes) 1828 and 2 for all others. 1829 1830 This is purely to save memory - each supported CPU adds 1831 approximately eight kilobytes to the kernel image. For best 1832 performance should round up your number of processors to the next 1833 power of two. 1834 1835config MIPS_CMP 1836 bool "MIPS CMP framework support" 1837 depends on SMP 1838 select SYNC_R4K 1839 select SYS_SUPPORTS_SCHED_SMT 1840 select WEAK_ORDERING 1841 default n 1842 help 1843 This is a placeholder option for the GCMP work. It will need to 1844 be handled differently... 1845 1846source "kernel/time/Kconfig" 1847 1848# 1849# Timer Interrupt Frequency Configuration 1850# 1851 1852choice 1853 prompt "Timer frequency" 1854 default HZ_250 1855 help 1856 Allows the configuration of the timer frequency. 1857 1858 config HZ_48 1859 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 1860 1861 config HZ_100 1862 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1863 1864 config HZ_128 1865 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1866 1867 config HZ_250 1868 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1869 1870 config HZ_256 1871 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1872 1873 config HZ_1000 1874 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1875 1876 config HZ_1024 1877 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1878 1879endchoice 1880 1881config SYS_SUPPORTS_48HZ 1882 bool 1883 1884config SYS_SUPPORTS_100HZ 1885 bool 1886 1887config SYS_SUPPORTS_128HZ 1888 bool 1889 1890config SYS_SUPPORTS_250HZ 1891 bool 1892 1893config SYS_SUPPORTS_256HZ 1894 bool 1895 1896config SYS_SUPPORTS_1000HZ 1897 bool 1898 1899config SYS_SUPPORTS_1024HZ 1900 bool 1901 1902config SYS_SUPPORTS_ARBIT_HZ 1903 bool 1904 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1905 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1906 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1907 !SYS_SUPPORTS_1024HZ 1908 1909config HZ 1910 int 1911 default 48 if HZ_48 1912 default 100 if HZ_100 1913 default 128 if HZ_128 1914 default 250 if HZ_250 1915 default 256 if HZ_256 1916 default 1000 if HZ_1000 1917 default 1024 if HZ_1024 1918 1919source "kernel/Kconfig.preempt" 1920 1921config MIPS_INSANE_LARGE 1922 bool "Support for large 64-bit configurations" 1923 depends on CPU_R10000 && 64BIT 1924 help 1925 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1926 previous 64-bit processors which only supported 40 bit / 1TB. If you 1927 need processes of more than 1TB virtual address space, say Y here. 1928 This will result in additional memory usage, so it is not 1929 recommended for normal users. 1930 1931config KEXEC 1932 bool "Kexec system call (EXPERIMENTAL)" 1933 depends on EXPERIMENTAL 1934 help 1935 kexec is a system call that implements the ability to shutdown your 1936 current kernel, and to start another kernel. It is like a reboot 1937 but it is independent of the system firmware. And like a reboot 1938 you can start any kernel with it, not just Linux. 1939 1940 The name comes from the similarity to the exec system call. 1941 1942 It is an ongoing process to be certain the hardware in a machine 1943 is properly shutdown, so do not be surprised if this code does not 1944 initially work for you. It may help to enable device hotplugging 1945 support. As of this writing the exact hardware interface is 1946 strongly in flux, so no good recommendation can be made. 1947 1948config SECCOMP 1949 bool "Enable seccomp to safely compute untrusted bytecode" 1950 depends on PROC_FS 1951 default y 1952 help 1953 This kernel feature is useful for number crunching applications 1954 that may need to compute untrusted bytecode during their 1955 execution. By using pipes or other transports made available to 1956 the process as file descriptors supporting the read/write 1957 syscalls, it's possible to isolate those applications in 1958 their own address space using seccomp. Once seccomp is 1959 enabled via /proc/<pid>/seccomp, it cannot be disabled 1960 and the task is only allowed to execute a few safe syscalls 1961 defined by each seccomp mode. 1962 1963 If unsure, say Y. Only embedded should say N here. 1964 1965endmenu 1966 1967config RWSEM_GENERIC_SPINLOCK 1968 bool 1969 default y 1970 1971config LOCKDEP_SUPPORT 1972 bool 1973 default y 1974 1975config STACKTRACE_SUPPORT 1976 bool 1977 default y 1978 1979source "init/Kconfig" 1980 1981menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1982 1983config HW_HAS_EISA 1984 bool 1985config HW_HAS_PCI 1986 bool 1987 1988config PCI 1989 bool "Support for PCI controller" 1990 depends on HW_HAS_PCI 1991 select PCI_DOMAINS 1992 help 1993 Find out whether you have a PCI motherboard. PCI is the name of a 1994 bus system, i.e. the way the CPU talks to the other stuff inside 1995 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1996 say Y, otherwise N. 1997 1998config PCI_DOMAINS 1999 bool 2000 2001source "drivers/pci/Kconfig" 2002 2003# 2004# ISA support is now enabled via select. Too many systems still have the one 2005# or other ISA chip on the board that users don't know about so don't expect 2006# users to choose the right thing ... 2007# 2008config ISA 2009 bool 2010 2011config EISA 2012 bool "EISA support" 2013 depends on HW_HAS_EISA 2014 select ISA 2015 select GENERIC_ISA_DMA 2016 ---help--- 2017 The Extended Industry Standard Architecture (EISA) bus was 2018 developed as an open alternative to the IBM MicroChannel bus. 2019 2020 The EISA bus provided some of the features of the IBM MicroChannel 2021 bus while maintaining backward compatibility with cards made for 2022 the older ISA bus. The EISA bus saw limited use between 1988 and 2023 1995 when it was made obsolete by the PCI bus. 2024 2025 Say Y here if you are building a kernel for an EISA-based machine. 2026 2027 Otherwise, say N. 2028 2029source "drivers/eisa/Kconfig" 2030 2031config TC 2032 bool "TURBOchannel support" 2033 depends on MACH_DECSTATION 2034 help 2035 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2036 processors. Documentation on writing device drivers for TurboChannel 2037 is available at: 2038 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2039 2040#config ACCESSBUS 2041# bool "Access.Bus support" 2042# depends on TC 2043 2044config MMU 2045 bool 2046 default y 2047 2048config I8253 2049 bool 2050 2051config ZONE_DMA32 2052 bool 2053 2054source "drivers/pcmcia/Kconfig" 2055 2056source "drivers/pci/hotplug/Kconfig" 2057 2058endmenu 2059 2060menu "Executable file formats" 2061 2062source "fs/Kconfig.binfmt" 2063 2064config TRAD_SIGNALS 2065 bool 2066 2067config BINFMT_IRIX 2068 bool "Include IRIX binary compatibility" 2069 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2070 2071config MIPS32_COMPAT 2072 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2073 depends on 64BIT 2074 help 2075 Select this option if you want Linux/MIPS 32-bit binary 2076 compatibility. Since all software available for Linux/MIPS is 2077 currently 32-bit you should say Y here. 2078 2079config COMPAT 2080 bool 2081 depends on MIPS32_COMPAT 2082 default y 2083 2084config SYSVIPC_COMPAT 2085 bool 2086 depends on COMPAT && SYSVIPC 2087 default y 2088 2089config MIPS32_O32 2090 bool "Kernel support for o32 binaries" 2091 depends on MIPS32_COMPAT 2092 help 2093 Select this option if you want to run o32 binaries. These are pure 2094 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2095 existing binaries are in this format. 2096 2097 If unsure, say Y. 2098 2099config MIPS32_N32 2100 bool "Kernel support for n32 binaries" 2101 depends on MIPS32_COMPAT 2102 help 2103 Select this option if you want to run n32 binaries. These are 2104 64-bit binaries using 32-bit quantities for addressing and certain 2105 data that would normally be 64-bit. They are used in special 2106 cases. 2107 2108 If unsure, say N. 2109 2110config BINFMT_ELF32 2111 bool 2112 default y if MIPS32_O32 || MIPS32_N32 2113 2114endmenu 2115 2116menu "Power management options" 2117 2118config ARCH_SUSPEND_POSSIBLE 2119 def_bool y 2120 depends on !SMP 2121 2122source "kernel/power/Kconfig" 2123 2124endmenu 2125 2126source "net/Kconfig" 2127 2128source "drivers/Kconfig" 2129 2130source "fs/Kconfig" 2131 2132source "arch/mips/Kconfig.debug" 2133 2134source "security/Kconfig" 2135 2136source "crypto/Kconfig" 2137 2138source "lib/Kconfig" 2139