1config MIPS 2 bool 3 default y 4 # Horrible source of confusion. Die, die, die ... 5 select EMBEDDED 6 select RTC_LIB 7 8mainmenu "Linux/MIPS Kernel Configuration" 9 10menu "Machine selection" 11 12config ZONE_DMA 13 bool 14 15choice 16 prompt "System type" 17 default SGI_IP22 18 19config MACH_ALCHEMY 20 bool "Alchemy processor based machines" 21 22config BASLER_EXCITE 23 bool "Basler eXcite smart camera" 24 select CEVT_R4K 25 select CSRC_R4K 26 select DMA_COHERENT 27 select HW_HAS_PCI 28 select IRQ_CPU 29 select IRQ_CPU_RM7K 30 select IRQ_CPU_RM9K 31 select MIPS_RM9122 32 select SYS_HAS_CPU_RM9000 33 select SYS_SUPPORTS_32BIT_KERNEL 34 select SYS_SUPPORTS_BIG_ENDIAN 35 select SYS_SUPPORTS_KGDB 36 help 37 The eXcite is a smart camera platform manufactured by 38 Basler Vision Technologies AG. 39 40config BASLER_EXCITE_PROTOTYPE 41 bool "Support for pre-release units" 42 depends on BASLER_EXCITE 43 default n 44 help 45 Pre-series (prototype) units are different from later ones in 46 some ways. Select this option if you have one of these. Please 47 note that a kernel built with this option selected will not be 48 able to run on normal units. 49 50config BCM47XX 51 bool "BCM47XX based boards" 52 select CEVT_R4K 53 select CSRC_R4K 54 select DMA_NONCOHERENT 55 select HW_HAS_PCI 56 select IRQ_CPU 57 select SYS_HAS_CPU_MIPS32_R1 58 select SYS_SUPPORTS_32BIT_KERNEL 59 select SYS_SUPPORTS_LITTLE_ENDIAN 60 select SSB 61 select SSB_DRIVER_MIPS 62 select SSB_DRIVER_EXTIF 63 select SSB_PCICORE_HOSTMODE if PCI 64 select GENERIC_GPIO 65 select SYS_HAS_EARLY_PRINTK 66 select CFE 67 help 68 Support for BCM47XX based boards 69 70config MIPS_COBALT 71 bool "Cobalt Server" 72 select CEVT_R4K 73 select CSRC_R4K 74 select CEVT_GT641XX 75 select DMA_NONCOHERENT 76 select HW_HAS_PCI 77 select I8253 78 select I8259 79 select IRQ_CPU 80 select IRQ_GT641XX 81 select PCI_GT64XXX_PCI0 82 select SYS_HAS_CPU_NEVADA 83 select SYS_HAS_EARLY_PRINTK 84 select SYS_SUPPORTS_32BIT_KERNEL 85 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 86 select SYS_SUPPORTS_LITTLE_ENDIAN 87 select GENERIC_HARDIRQS_NO__DO_IRQ 88 89config MACH_DECSTATION 90 bool "DECstations" 91 select BOOT_ELF32 92 select CEVT_R4K 93 select CSRC_R4K 94 select CPU_DADDI_WORKAROUNDS if 64BIT 95 select CPU_R4000_WORKAROUNDS if 64BIT 96 select CPU_R4400_WORKAROUNDS if 64BIT 97 select DMA_NONCOHERENT 98 select NO_IOPORT 99 select IRQ_CPU 100 select SYS_HAS_CPU_R3000 101 select SYS_HAS_CPU_R4X00 102 select SYS_SUPPORTS_32BIT_KERNEL 103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 104 select SYS_SUPPORTS_LITTLE_ENDIAN 105 select SYS_SUPPORTS_128HZ 106 select SYS_SUPPORTS_256HZ 107 select SYS_SUPPORTS_1024HZ 108 help 109 This enables support for DEC's MIPS based workstations. For details 110 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 111 DECstation porting pages on <http://decstation.unix-ag.org/>. 112 113 If you have one of the following DECstation Models you definitely 114 want to choose R4xx0 for the CPU Type: 115 116 DECstation 5000/50 117 DECstation 5000/150 118 DECstation 5000/260 119 DECsystem 5900/260 120 121 otherwise choose R3000. 122 123config MACH_JAZZ 124 bool "Jazz family of machines" 125 select ARC 126 select ARC32 127 select ARCH_MAY_HAVE_PC_FDC 128 select CEVT_R4K 129 select CSRC_R4K 130 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 131 select GENERIC_ISA_DMA 132 select IRQ_CPU 133 select I8253 134 select I8259 135 select ISA 136 select SYS_HAS_CPU_R4X00 137 select SYS_SUPPORTS_32BIT_KERNEL 138 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 139 select SYS_SUPPORTS_100HZ 140 select GENERIC_HARDIRQS_NO__DO_IRQ 141 help 142 This a family of machines based on the MIPS R4030 chipset which was 143 used by several vendors to build RISC/os and Windows NT workstations. 144 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 145 Olivetti M700-10 workstations. 146 147config LASAT 148 bool "LASAT Networks platforms" 149 select CEVT_R4K 150 select CSRC_R4K 151 select DMA_NONCOHERENT 152 select SYS_HAS_EARLY_PRINTK 153 select HW_HAS_PCI 154 select IRQ_CPU 155 select PCI_GT64XXX_PCI0 156 select MIPS_NILE4 157 select R5000_CPU_SCACHE 158 select SYS_HAS_CPU_R5000 159 select SYS_SUPPORTS_32BIT_KERNEL 160 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 161 select SYS_SUPPORTS_LITTLE_ENDIAN 162 select GENERIC_HARDIRQS_NO__DO_IRQ 163 164config LEMOTE_FULONG 165 bool "Lemote Fulong mini-PC" 166 select ARCH_SPARSEMEM_ENABLE 167 select CEVT_R4K 168 select CSRC_R4K 169 select SYS_HAS_CPU_LOONGSON2 170 select DMA_NONCOHERENT 171 select BOOT_ELF32 172 select BOARD_SCACHE 173 select HAVE_STD_PC_SERIAL_PORT 174 select HW_HAS_PCI 175 select I8259 176 select ISA 177 select IRQ_CPU 178 select SYS_SUPPORTS_32BIT_KERNEL 179 select SYS_SUPPORTS_64BIT_KERNEL 180 select SYS_SUPPORTS_LITTLE_ENDIAN 181 select SYS_SUPPORTS_HIGHMEM 182 select SYS_HAS_EARLY_PRINTK 183 select GENERIC_HARDIRQS_NO__DO_IRQ 184 select GENERIC_ISA_DMA_SUPPORT_BROKEN 185 select CPU_HAS_WB 186 help 187 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 188 an FPGA northbridge 189 190config MIPS_ATLAS 191 bool "MIPS Atlas board" 192 select BOOT_ELF32 193 select CEVT_R4K 194 select CSRC_R4K 195 select DMA_NONCOHERENT 196 select SYS_HAS_EARLY_PRINTK 197 select IRQ_CPU 198 select HW_HAS_PCI 199 select MIPS_BOARDS_GEN 200 select MIPS_BONITO64 201 select PCI_GT64XXX_PCI0 202 select MIPS_MSC 203 select RM7000_CPU_SCACHE 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_SUPPORTS_32BIT_KERNEL 211 select SYS_SUPPORTS_64BIT_KERNEL 212 select SYS_SUPPORTS_BIG_ENDIAN 213 select SYS_SUPPORTS_LITTLE_ENDIAN 214 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 215 select SYS_SUPPORTS_SMARTMIPS 216 select GENERIC_HARDIRQS_NO__DO_IRQ 217 help 218 This enables support for the MIPS Technologies Atlas evaluation 219 board. 220 221config MIPS_MALTA 222 bool "MIPS Malta board" 223 select ARCH_MAY_HAVE_PC_FDC 224 select BOOT_ELF32 225 select CEVT_R4K 226 select CSRC_R4K 227 select DMA_NONCOHERENT 228 select GENERIC_ISA_DMA 229 select IRQ_CPU 230 select HW_HAS_PCI 231 select I8253 232 select I8259 233 select MIPS_BOARDS_GEN 234 select MIPS_BONITO64 235 select MIPS_CPU_SCACHE 236 select PCI_GT64XXX_PCI0 237 select MIPS_MSC 238 select SWAP_IO_SPACE 239 select SYS_HAS_CPU_MIPS32_R1 240 select SYS_HAS_CPU_MIPS32_R2 241 select SYS_HAS_CPU_MIPS64_R1 242 select SYS_HAS_CPU_NEVADA 243 select SYS_HAS_CPU_RM7000 244 select SYS_HAS_EARLY_PRINTK 245 select SYS_SUPPORTS_32BIT_KERNEL 246 select SYS_SUPPORTS_64BIT_KERNEL 247 select SYS_SUPPORTS_BIG_ENDIAN 248 select SYS_SUPPORTS_LITTLE_ENDIAN 249 select SYS_SUPPORTS_MULTITHREADING 250 select SYS_SUPPORTS_SMARTMIPS 251 help 252 This enables support for the MIPS Technologies Malta evaluation 253 board. 254 255config MIPS_SEAD 256 bool "MIPS SEAD board" 257 select CEVT_R4K 258 select CSRC_R4K 259 select IRQ_CPU 260 select DMA_NONCOHERENT 261 select SYS_HAS_EARLY_PRINTK 262 select MIPS_BOARDS_GEN 263 select SYS_HAS_CPU_MIPS32_R1 264 select SYS_HAS_CPU_MIPS32_R2 265 select SYS_HAS_CPU_MIPS64_R1 266 select SYS_SUPPORTS_32BIT_KERNEL 267 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 268 select SYS_SUPPORTS_BIG_ENDIAN 269 select SYS_SUPPORTS_LITTLE_ENDIAN 270 select SYS_SUPPORTS_SMARTMIPS 271 help 272 This enables support for the MIPS Technologies SEAD evaluation 273 board. 274 275config MIPS_SIM 276 bool 'MIPS simulator (MIPSsim)' 277 select CEVT_R4K 278 select CSRC_R4K 279 select DMA_NONCOHERENT 280 select SYS_HAS_EARLY_PRINTK 281 select IRQ_CPU 282 select BOOT_RAW 283 select SYS_HAS_CPU_MIPS32_R1 284 select SYS_HAS_CPU_MIPS32_R2 285 select SYS_HAS_EARLY_PRINTK 286 select SYS_SUPPORTS_32BIT_KERNEL 287 select SYS_SUPPORTS_BIG_ENDIAN 288 select SYS_SUPPORTS_MULTITHREADING 289 select SYS_SUPPORTS_LITTLE_ENDIAN 290 help 291 This option enables support for MIPS Technologies MIPSsim software 292 emulator. 293 294config MARKEINS 295 bool "NEC EMMA2RH Mark-eins" 296 select CEVT_R4K 297 select CSRC_R4K 298 select DMA_NONCOHERENT 299 select HW_HAS_PCI 300 select IRQ_CPU 301 select SWAP_IO_SPACE 302 select SYS_SUPPORTS_32BIT_KERNEL 303 select SYS_SUPPORTS_BIG_ENDIAN 304 select SYS_SUPPORTS_LITTLE_ENDIAN 305 select SYS_HAS_CPU_R5000 306 help 307 This enables support for the R5432-based NEC Mark-eins 308 boards with R5500 CPU. 309 310config MACH_VR41XX 311 bool "NEC VR4100 series based machines" 312 select CEVT_R4K 313 select CSRC_R4K 314 select SYS_HAS_CPU_VR41XX 315 select GENERIC_HARDIRQS_NO__DO_IRQ 316 317config PNX8550_JBS 318 bool "Philips PNX8550 based JBS board" 319 select PNX8550 320 select SYS_SUPPORTS_LITTLE_ENDIAN 321 322config PNX8550_STB810 323 bool "Philips PNX8550 based STB810 board" 324 select PNX8550 325 select SYS_SUPPORTS_LITTLE_ENDIAN 326 327config PMC_MSP 328 bool "PMC-Sierra MSP chipsets" 329 depends on EXPERIMENTAL 330 select DMA_NONCOHERENT 331 select SWAP_IO_SPACE 332 select NO_EXCEPT_FILL 333 select BOOT_RAW 334 select SYS_HAS_CPU_MIPS32_R1 335 select SYS_HAS_CPU_MIPS32_R2 336 select SYS_SUPPORTS_32BIT_KERNEL 337 select SYS_SUPPORTS_BIG_ENDIAN 338 select SYS_SUPPORTS_KGDB 339 select IRQ_CPU 340 select SERIAL_8250 341 select SERIAL_8250_CONSOLE 342 help 343 This adds support for the PMC-Sierra family of Multi-Service 344 Processor System-On-A-Chips. These parts include a number 345 of integrated peripherals, interfaces and DSPs in addition to 346 a variety of MIPS cores. 347 348config PMC_YOSEMITE 349 bool "PMC-Sierra Yosemite eval board" 350 select CEVT_R4K 351 select CSRC_R4K 352 select DMA_COHERENT 353 select HW_HAS_PCI 354 select IRQ_CPU 355 select IRQ_CPU_RM7K 356 select IRQ_CPU_RM9K 357 select SWAP_IO_SPACE 358 select SYS_HAS_CPU_RM9000 359 select SYS_HAS_EARLY_PRINTK 360 select SYS_SUPPORTS_32BIT_KERNEL 361 select SYS_SUPPORTS_64BIT_KERNEL 362 select SYS_SUPPORTS_BIG_ENDIAN 363 select SYS_SUPPORTS_HIGHMEM 364 select SYS_SUPPORTS_KGDB 365 select SYS_SUPPORTS_SMP 366 help 367 Yosemite is an evaluation board for the RM9000x2 processor 368 manufactured by PMC-Sierra. 369 370config QEMU 371 bool "Qemu" 372 select CEVT_R4K 373 select CSRC_R4K 374 select DMA_COHERENT 375 select GENERIC_ISA_DMA 376 select HAVE_STD_PC_SERIAL_PORT 377 select I8253 378 select I8259 379 select IRQ_CPU 380 select ISA 381 select SWAP_IO_SPACE 382 select SYS_HAS_CPU_MIPS32_R1 383 select SYS_HAS_EARLY_PRINTK 384 select SYS_SUPPORTS_32BIT_KERNEL 385 select SYS_SUPPORTS_BIG_ENDIAN 386 select SYS_SUPPORTS_LITTLE_ENDIAN 387 select GENERIC_HARDIRQS_NO__DO_IRQ 388 select NR_CPUS_DEFAULT_1 389 select SYS_SUPPORTS_SMP 390 help 391 Qemu is a software emulator which among other architectures also 392 can simulate a MIPS32 4Kc system. This patch adds support for the 393 system architecture that currently is being simulated by Qemu. It 394 will eventually be removed again when Qemu has the capability to 395 simulate actual MIPS hardware platforms. More information on Qemu 396 can be found at http://www.linux-mips.org/wiki/Qemu. 397 398config SGI_IP22 399 bool "SGI IP22 (Indy/Indigo2)" 400 select ARC 401 select ARC32 402 select BOOT_ELF32 403 select CEVT_R4K 404 select CSRC_R4K 405 select DEFAULT_SGI_PARTITION 406 select DMA_NONCOHERENT 407 select HW_HAS_EISA 408 select I8253 409 select I8259 410 select IP22_CPU_SCACHE 411 select IRQ_CPU 412 select GENERIC_ISA_DMA_SUPPORT_BROKEN 413 select SGI_HAS_DS1286 414 select SGI_HAS_I8042 415 select SGI_HAS_INDYDOG 416 select SGI_HAS_SEEQ 417 select SGI_HAS_WD93 418 select SGI_HAS_ZILOG 419 select SWAP_IO_SPACE 420 select SYS_HAS_CPU_R4X00 421 select SYS_HAS_CPU_R5000 422 select SYS_HAS_EARLY_PRINTK 423 select SYS_SUPPORTS_32BIT_KERNEL 424 select SYS_SUPPORTS_64BIT_KERNEL 425 select SYS_SUPPORTS_BIG_ENDIAN 426 help 427 This are the SGI Indy, Challenge S and Indigo2, as well as certain 428 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 429 that runs on these, say Y here. 430 431config SGI_IP27 432 bool "SGI IP27 (Origin200/2000)" 433 select ARC 434 select ARC64 435 select BOOT_ELF64 436 select DEFAULT_SGI_PARTITION 437 select DMA_IP27 438 select SYS_HAS_EARLY_PRINTK 439 select HW_HAS_PCI 440 select NR_CPUS_DEFAULT_64 441 select SYS_HAS_CPU_R10000 442 select SYS_SUPPORTS_64BIT_KERNEL 443 select SYS_SUPPORTS_BIG_ENDIAN 444 select SYS_SUPPORTS_KGDB 445 select SYS_SUPPORTS_NUMA 446 select SYS_SUPPORTS_SMP 447 select GENERIC_HARDIRQS_NO__DO_IRQ 448 help 449 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 450 workstations. To compile a Linux kernel that runs on these, say Y 451 here. 452 453config SGI_IP28 454 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 455 depends on EXPERIMENTAL 456 select ARC 457 select ARC64 458 select BOOT_ELF64 459 select CEVT_R4K 460 select CSRC_R4K 461 select DEFAULT_SGI_PARTITION 462 select DMA_NONCOHERENT 463 select GENERIC_ISA_DMA_SUPPORT_BROKEN 464 select IRQ_CPU 465 select HW_HAS_EISA 466 select I8253 467 select I8259 468 select SGI_HAS_DS1286 469 select SGI_HAS_I8042 470 select SGI_HAS_INDYDOG 471 select SGI_HAS_SEEQ 472 select SGI_HAS_WD93 473 select SGI_HAS_ZILOG 474 select SWAP_IO_SPACE 475 select SYS_HAS_CPU_R10000 476 select SYS_HAS_EARLY_PRINTK 477 select SYS_SUPPORTS_64BIT_KERNEL 478 select SYS_SUPPORTS_BIG_ENDIAN 479 help 480 This is the SGI Indigo2 with R10000 processor. To compile a Linux 481 kernel that runs on these, say Y here. 482 483config SGI_IP32 484 bool "SGI IP32 (O2)" 485 select ARC 486 select ARC32 487 select BOOT_ELF32 488 select CEVT_R4K 489 select CSRC_R4K 490 select DMA_NONCOHERENT 491 select HW_HAS_PCI 492 select IRQ_CPU 493 select R5000_CPU_SCACHE 494 select RM7000_CPU_SCACHE 495 select SYS_HAS_CPU_R5000 496 select SYS_HAS_CPU_R10000 if BROKEN 497 select SYS_HAS_CPU_RM7000 498 select SYS_HAS_CPU_NEVADA 499 select SYS_SUPPORTS_64BIT_KERNEL 500 select SYS_SUPPORTS_BIG_ENDIAN 501 help 502 If you want this kernel to run on SGI O2 workstation, say Y here. 503 504config SIBYTE_CRHINE 505 bool "Sibyte BCM91120C-CRhine" 506 depends on EXPERIMENTAL 507 select BOOT_ELF32 508 select DMA_COHERENT 509 select SIBYTE_BCM1120 510 select SWAP_IO_SPACE 511 select SYS_HAS_CPU_SB1 512 select SYS_SUPPORTS_BIG_ENDIAN 513 select SYS_SUPPORTS_LITTLE_ENDIAN 514 515config SIBYTE_CARMEL 516 bool "Sibyte BCM91120x-Carmel" 517 depends on EXPERIMENTAL 518 select BOOT_ELF32 519 select DMA_COHERENT 520 select SIBYTE_BCM1120 521 select SWAP_IO_SPACE 522 select SYS_HAS_CPU_SB1 523 select SYS_SUPPORTS_BIG_ENDIAN 524 select SYS_SUPPORTS_LITTLE_ENDIAN 525 526config SIBYTE_CRHONE 527 bool "Sibyte BCM91125C-CRhone" 528 depends on EXPERIMENTAL 529 select BOOT_ELF32 530 select DMA_COHERENT 531 select SIBYTE_BCM1125 532 select SWAP_IO_SPACE 533 select SYS_HAS_CPU_SB1 534 select SYS_SUPPORTS_BIG_ENDIAN 535 select SYS_SUPPORTS_HIGHMEM 536 select SYS_SUPPORTS_LITTLE_ENDIAN 537 538config SIBYTE_RHONE 539 bool "Sibyte BCM91125E-Rhone" 540 depends on EXPERIMENTAL 541 select BOOT_ELF32 542 select DMA_COHERENT 543 select SIBYTE_BCM1125H 544 select SWAP_IO_SPACE 545 select SYS_HAS_CPU_SB1 546 select SYS_SUPPORTS_BIG_ENDIAN 547 select SYS_SUPPORTS_LITTLE_ENDIAN 548 549config SIBYTE_SWARM 550 bool "Sibyte BCM91250A-SWARM" 551 select BOOT_ELF32 552 select DMA_COHERENT 553 select NR_CPUS_DEFAULT_2 554 select SIBYTE_SB1250 555 select SWAP_IO_SPACE 556 select SYS_HAS_CPU_SB1 557 select SYS_SUPPORTS_BIG_ENDIAN 558 select SYS_SUPPORTS_HIGHMEM 559 select SYS_SUPPORTS_KGDB 560 select SYS_SUPPORTS_LITTLE_ENDIAN 561 select ZONE_DMA32 if 64BIT 562 563config SIBYTE_LITTLESUR 564 bool "Sibyte BCM91250C2-LittleSur" 565 depends on EXPERIMENTAL 566 select BOOT_ELF32 567 select DMA_COHERENT 568 select NR_CPUS_DEFAULT_2 569 select SIBYTE_SB1250 570 select SWAP_IO_SPACE 571 select SYS_HAS_CPU_SB1 572 select SYS_SUPPORTS_BIG_ENDIAN 573 select SYS_SUPPORTS_HIGHMEM 574 select SYS_SUPPORTS_LITTLE_ENDIAN 575 576config SIBYTE_SENTOSA 577 bool "Sibyte BCM91250E-Sentosa" 578 depends on EXPERIMENTAL 579 select BOOT_ELF32 580 select DMA_COHERENT 581 select NR_CPUS_DEFAULT_2 582 select SIBYTE_SB1250 583 select SWAP_IO_SPACE 584 select SYS_HAS_CPU_SB1 585 select SYS_SUPPORTS_BIG_ENDIAN 586 select SYS_SUPPORTS_LITTLE_ENDIAN 587 588config SIBYTE_BIGSUR 589 bool "Sibyte BCM91480B-BigSur" 590 select BOOT_ELF32 591 select DMA_COHERENT 592 select NR_CPUS_DEFAULT_4 593 select SIBYTE_BCM1x80 594 select SWAP_IO_SPACE 595 select SYS_HAS_CPU_SB1 596 select SYS_SUPPORTS_BIG_ENDIAN 597 select SYS_SUPPORTS_HIGHMEM 598 select SYS_SUPPORTS_LITTLE_ENDIAN 599 select ZONE_DMA32 if 64BIT 600 601config SNI_RM 602 bool "SNI RM200/300/400" 603 select ARC if CPU_LITTLE_ENDIAN 604 select ARC32 if CPU_LITTLE_ENDIAN 605 select SNIPROM if CPU_BIG_ENDIAN 606 select ARCH_MAY_HAVE_PC_FDC 607 select BOOT_ELF32 608 select CEVT_R4K 609 select CSRC_R4K 610 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 611 select DMA_NONCOHERENT 612 select GENERIC_ISA_DMA 613 select HW_HAS_EISA 614 select HW_HAS_PCI 615 select IRQ_CPU 616 select I8253 617 select I8259 618 select ISA 619 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 620 select SYS_HAS_CPU_R4X00 621 select SYS_HAS_CPU_R5000 622 select SYS_HAS_CPU_R10000 623 select R5000_CPU_SCACHE 624 select SYS_HAS_EARLY_PRINTK 625 select SYS_SUPPORTS_32BIT_KERNEL 626 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 627 select SYS_SUPPORTS_BIG_ENDIAN 628 select SYS_SUPPORTS_HIGHMEM 629 select SYS_SUPPORTS_LITTLE_ENDIAN 630 help 631 The SNI RM200/300/400 are MIPS-based machines manufactured by 632 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 633 Technology and now in turn merged with Fujitsu. Say Y here to 634 support this machine type. 635 636config TOSHIBA_JMR3927 637 bool "Toshiba JMR-TX3927 board" 638 select CEVT_TXX9 639 select DMA_NONCOHERENT 640 select HW_HAS_PCI 641 select MIPS_TX3927 642 select IRQ_TXX9 643 select SWAP_IO_SPACE 644 select SYS_HAS_CPU_TX39XX 645 select SYS_SUPPORTS_32BIT_KERNEL 646 select SYS_SUPPORTS_LITTLE_ENDIAN 647 select SYS_SUPPORTS_BIG_ENDIAN 648 select GENERIC_HARDIRQS_NO__DO_IRQ 649 650config TOSHIBA_RBTX4927 651 bool "Toshiba RBTX49[23]7 board" 652 select CEVT_R4K 653 select CSRC_R4K 654 select CEVT_TXX9 655 select DMA_NONCOHERENT 656 select HAS_TXX9_SERIAL 657 select HW_HAS_PCI 658 select IRQ_CPU 659 select IRQ_TXX9 660 select I8259 if TOSHIBA_FPCIB0 661 select SWAP_IO_SPACE 662 select SYS_HAS_CPU_TX49XX 663 select SYS_SUPPORTS_32BIT_KERNEL 664 select SYS_SUPPORTS_64BIT_KERNEL 665 select SYS_SUPPORTS_LITTLE_ENDIAN 666 select SYS_SUPPORTS_BIG_ENDIAN 667 select SYS_SUPPORTS_KGDB 668 select GENERIC_HARDIRQS_NO__DO_IRQ 669 help 670 This Toshiba board is based on the TX4927 processor. Say Y here to 671 support this machine type 672 673config TOSHIBA_RBTX4938 674 bool "Toshiba RBTX4938 board" 675 select CEVT_R4K 676 select CSRC_R4K 677 select CEVT_TXX9 678 select DMA_NONCOHERENT 679 select HAS_TXX9_SERIAL 680 select HW_HAS_PCI 681 select IRQ_CPU 682 select IRQ_TXX9 683 select SWAP_IO_SPACE 684 select SYS_HAS_CPU_TX49XX 685 select SYS_SUPPORTS_32BIT_KERNEL 686 select SYS_SUPPORTS_LITTLE_ENDIAN 687 select SYS_SUPPORTS_BIG_ENDIAN 688 select SYS_SUPPORTS_KGDB 689 select GENERIC_HARDIRQS_NO__DO_IRQ 690 select GENERIC_GPIO 691 help 692 This Toshiba board is based on the TX4938 processor. Say Y here to 693 support this machine type 694 695config WR_PPMC 696 bool "Wind River PPMC board" 697 select CEVT_R4K 698 select CSRC_R4K 699 select IRQ_CPU 700 select BOOT_ELF32 701 select DMA_NONCOHERENT 702 select HW_HAS_PCI 703 select PCI_GT64XXX_PCI0 704 select SWAP_IO_SPACE 705 select SYS_HAS_CPU_MIPS32_R1 706 select SYS_HAS_CPU_MIPS32_R2 707 select SYS_HAS_CPU_MIPS64_R1 708 select SYS_HAS_CPU_NEVADA 709 select SYS_HAS_CPU_RM7000 710 select SYS_SUPPORTS_32BIT_KERNEL 711 select SYS_SUPPORTS_64BIT_KERNEL 712 select SYS_SUPPORTS_BIG_ENDIAN 713 select SYS_SUPPORTS_LITTLE_ENDIAN 714 help 715 This enables support for the Wind River MIPS32 4KC PPMC evaluation 716 board, which is based on GT64120 bridge chip. 717 718endchoice 719 720source "arch/mips/au1000/Kconfig" 721source "arch/mips/jazz/Kconfig" 722source "arch/mips/lasat/Kconfig" 723source "arch/mips/pmc-sierra/Kconfig" 724source "arch/mips/sgi-ip27/Kconfig" 725source "arch/mips/sibyte/Kconfig" 726source "arch/mips/tx4927/Kconfig" 727source "arch/mips/tx4938/Kconfig" 728source "arch/mips/vr41xx/Kconfig" 729 730endmenu 731 732config RWSEM_GENERIC_SPINLOCK 733 bool 734 default y 735 736config RWSEM_XCHGADD_ALGORITHM 737 bool 738 739config ARCH_HAS_ILOG2_U32 740 bool 741 default n 742 743config ARCH_HAS_ILOG2_U64 744 bool 745 default n 746 747config ARCH_SUPPORTS_OPROFILE 748 bool 749 default y if !MIPS_MT_SMTC 750 751config GENERIC_FIND_NEXT_BIT 752 bool 753 default y 754 755config GENERIC_HWEIGHT 756 bool 757 default y 758 759config GENERIC_CALIBRATE_DELAY 760 bool 761 default y 762 763config GENERIC_CLOCKEVENTS 764 bool 765 default y 766 767config GENERIC_TIME 768 bool 769 default y 770 771config GENERIC_CMOS_UPDATE 772 bool 773 default y 774 775config SCHED_NO_NO_OMIT_FRAME_POINTER 776 bool 777 default y 778 779config GENERIC_HARDIRQS_NO__DO_IRQ 780 bool 781 default n 782 783# 784# Select some configuration options automatically based on user selections. 785# 786config ARC 787 bool 788 789config ARCH_MAY_HAVE_PC_FDC 790 bool 791 792config BOOT_RAW 793 bool 794 795config CEVT_BCM1480 796 bool 797 798config CEVT_GT641XX 799 bool 800 801config CEVT_R4K 802 bool 803 804config CEVT_SB1250 805 bool 806 807config CEVT_TXX9 808 bool 809 810config CSRC_BCM1480 811 bool 812 813config CSRC_R4K 814 bool 815 816config CSRC_SB1250 817 bool 818 819config CFE 820 bool 821 822config DMA_COHERENT 823 bool 824 825config DMA_IP27 826 bool 827 828config DMA_NONCOHERENT 829 bool 830 select DMA_NEED_PCI_MAP_STATE 831 832config DMA_NEED_PCI_MAP_STATE 833 bool 834 835config EARLY_PRINTK 836 bool "Early printk" if EMBEDDED && DEBUG_KERNEL 837 depends on SYS_HAS_EARLY_PRINTK 838 default y 839 help 840 This option enables special console drivers which allow the kernel 841 to print messages very early in the bootup process. 842 843 This is useful for kernel debugging when your machine crashes very 844 early before the console code is initialized. For normal operation, 845 it is not recommended because it looks ugly on some machines and 846 doesn't cooperate with an X server. You should normally say N here, 847 unless you want to debug such a crash. 848 849config SYS_HAS_EARLY_PRINTK 850 bool 851 852config HOTPLUG_CPU 853 bool 854 default n 855 856config I8259 857 bool 858 859config MIPS_BONITO64 860 bool 861 862config MIPS_MSC 863 bool 864 865config MIPS_NILE4 866 bool 867 868config MIPS_DISABLE_OBSOLETE_IDE 869 bool 870 871config NO_IOPORT 872 def_bool n 873 874config GENERIC_ISA_DMA 875 bool 876 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 877 878config GENERIC_ISA_DMA_SUPPORT_BROKEN 879 bool 880 select GENERIC_ISA_DMA 881 882config GENERIC_GPIO 883 bool 884 885# 886# Endianess selection. Sufficiently obscure so many users don't know what to 887# answer,so we try hard to limit the available choices. Also the use of a 888# choice statement should be more obvious to the user. 889# 890choice 891 prompt "Endianess selection" 892 help 893 Some MIPS machines can be configured for either little or big endian 894 byte order. These modes require different kernels and a different 895 Linux distribution. In general there is one preferred byteorder for a 896 particular system but some systems are just as commonly used in the 897 one or the other endianness. 898 899config CPU_BIG_ENDIAN 900 bool "Big endian" 901 depends on SYS_SUPPORTS_BIG_ENDIAN 902 903config CPU_LITTLE_ENDIAN 904 bool "Little endian" 905 depends on SYS_SUPPORTS_LITTLE_ENDIAN 906 help 907 908endchoice 909 910config SYS_SUPPORTS_APM_EMULATION 911 bool 912 913config SYS_SUPPORTS_BIG_ENDIAN 914 bool 915 916config SYS_SUPPORTS_LITTLE_ENDIAN 917 bool 918 919config IRQ_CPU 920 bool 921 922config IRQ_CPU_RM7K 923 bool 924 925config IRQ_CPU_RM9K 926 bool 927 928config IRQ_MSP_SLP 929 bool 930 931config IRQ_MSP_CIC 932 bool 933 934config IRQ_TXX9 935 bool 936 937config IRQ_GT641XX 938 bool 939 940config MIPS_BOARDS_GEN 941 bool 942 943config PCI_GT64XXX_PCI0 944 bool 945 946config NO_EXCEPT_FILL 947 bool 948 949config MIPS_TX3927 950 bool 951 select HAS_TXX9_SERIAL 952 953config MIPS_RM9122 954 bool 955 select SERIAL_RM9000 956 957config PNX8550 958 bool 959 select SOC_PNX8550 960 961config SOC_PNX8550 962 bool 963 select DMA_NONCOHERENT 964 select HW_HAS_PCI 965 select SYS_HAS_CPU_MIPS32_R1 966 select SYS_HAS_EARLY_PRINTK 967 select SYS_SUPPORTS_32BIT_KERNEL 968 select GENERIC_HARDIRQS_NO__DO_IRQ 969 select SYS_SUPPORTS_KGDB 970 select GENERIC_GPIO 971 972config SWAP_IO_SPACE 973 bool 974 975config EMMA2RH 976 bool 977 depends on MARKEINS 978 default y 979 980config SERIAL_RM9000 981 bool 982 983config SGI_HAS_DS1286 984 bool 985 986config SGI_HAS_INDYDOG 987 bool 988 989config SGI_HAS_SEEQ 990 bool 991 992config SGI_HAS_WD93 993 bool 994 995config SGI_HAS_ZILOG 996 bool 997 998config SGI_HAS_I8042 999 bool 1000 1001config DEFAULT_SGI_PARTITION 1002 bool 1003 1004config ARC32 1005 bool 1006 1007config SNIPROM 1008 bool 1009 1010config BOOT_ELF32 1011 bool 1012 1013config MIPS_L1_CACHE_SHIFT 1014 int 1015 default "4" if MACH_DECSTATION 1016 default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 1017 default "4" if PMC_MSP4200_EVAL 1018 default "5" 1019 1020config HAVE_STD_PC_SERIAL_PORT 1021 bool 1022 1023config ARC_CONSOLE 1024 bool "ARC console support" 1025 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1026 1027config ARC_MEMORY 1028 bool 1029 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1030 default y 1031 1032config ARC_PROMLIB 1033 bool 1034 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1035 default y 1036 1037config ARC64 1038 bool 1039 1040config BOOT_ELF64 1041 bool 1042 1043menu "CPU selection" 1044 1045choice 1046 prompt "CPU type" 1047 default CPU_R4X00 1048 1049config CPU_LOONGSON2 1050 bool "Loongson 2" 1051 depends on SYS_HAS_CPU_LOONGSON2 1052 select CPU_SUPPORTS_32BIT_KERNEL 1053 select CPU_SUPPORTS_64BIT_KERNEL 1054 select CPU_SUPPORTS_HIGHMEM 1055 help 1056 The Loongson 2E processor implements the MIPS III instruction set 1057 with many extensions. 1058 1059config CPU_MIPS32_R1 1060 bool "MIPS32 Release 1" 1061 depends on SYS_HAS_CPU_MIPS32_R1 1062 select CPU_HAS_LLSC 1063 select CPU_HAS_PREFETCH 1064 select CPU_SUPPORTS_32BIT_KERNEL 1065 select CPU_SUPPORTS_HIGHMEM 1066 help 1067 Choose this option to build a kernel for release 1 or later of the 1068 MIPS32 architecture. Most modern embedded systems with a 32-bit 1069 MIPS processor are based on a MIPS32 processor. If you know the 1070 specific type of processor in your system, choose those that one 1071 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1072 Release 2 of the MIPS32 architecture is available since several 1073 years so chances are you even have a MIPS32 Release 2 processor 1074 in which case you should choose CPU_MIPS32_R2 instead for better 1075 performance. 1076 1077config CPU_MIPS32_R2 1078 bool "MIPS32 Release 2" 1079 depends on SYS_HAS_CPU_MIPS32_R2 1080 select CPU_HAS_LLSC 1081 select CPU_HAS_PREFETCH 1082 select CPU_SUPPORTS_32BIT_KERNEL 1083 select CPU_SUPPORTS_HIGHMEM 1084 help 1085 Choose this option to build a kernel for release 2 or later of the 1086 MIPS32 architecture. Most modern embedded systems with a 32-bit 1087 MIPS processor are based on a MIPS32 processor. If you know the 1088 specific type of processor in your system, choose those that one 1089 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1090 1091config CPU_MIPS64_R1 1092 bool "MIPS64 Release 1" 1093 depends on SYS_HAS_CPU_MIPS64_R1 1094 select CPU_HAS_LLSC 1095 select CPU_HAS_PREFETCH 1096 select CPU_SUPPORTS_32BIT_KERNEL 1097 select CPU_SUPPORTS_64BIT_KERNEL 1098 select CPU_SUPPORTS_HIGHMEM 1099 help 1100 Choose this option to build a kernel for release 1 or later of the 1101 MIPS64 architecture. Many modern embedded systems with a 64-bit 1102 MIPS processor are based on a MIPS64 processor. If you know the 1103 specific type of processor in your system, choose those that one 1104 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1105 Release 2 of the MIPS64 architecture is available since several 1106 years so chances are you even have a MIPS64 Release 2 processor 1107 in which case you should choose CPU_MIPS64_R2 instead for better 1108 performance. 1109 1110config CPU_MIPS64_R2 1111 bool "MIPS64 Release 2" 1112 depends on SYS_HAS_CPU_MIPS64_R2 1113 select CPU_HAS_LLSC 1114 select CPU_HAS_PREFETCH 1115 select CPU_SUPPORTS_32BIT_KERNEL 1116 select CPU_SUPPORTS_64BIT_KERNEL 1117 select CPU_SUPPORTS_HIGHMEM 1118 help 1119 Choose this option to build a kernel for release 2 or later of the 1120 MIPS64 architecture. Many modern embedded systems with a 64-bit 1121 MIPS processor are based on a MIPS64 processor. If you know the 1122 specific type of processor in your system, choose those that one 1123 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1124 1125config CPU_R3000 1126 bool "R3000" 1127 depends on SYS_HAS_CPU_R3000 1128 select CPU_HAS_WB 1129 select CPU_SUPPORTS_32BIT_KERNEL 1130 select CPU_SUPPORTS_HIGHMEM 1131 help 1132 Please make sure to pick the right CPU type. Linux/MIPS is not 1133 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1134 *not* work on R4000 machines and vice versa. However, since most 1135 of the supported machines have an R4000 (or similar) CPU, R4x00 1136 might be a safe bet. If the resulting kernel does not work, 1137 try to recompile with R3000. 1138 1139config CPU_TX39XX 1140 bool "R39XX" 1141 depends on SYS_HAS_CPU_TX39XX 1142 select CPU_SUPPORTS_32BIT_KERNEL 1143 1144config CPU_VR41XX 1145 bool "R41xx" 1146 depends on SYS_HAS_CPU_VR41XX 1147 select CPU_SUPPORTS_32BIT_KERNEL 1148 select CPU_SUPPORTS_64BIT_KERNEL 1149 help 1150 The options selects support for the NEC VR4100 series of processors. 1151 Only choose this option if you have one of these processors as a 1152 kernel built with this option will not run on any other type of 1153 processor or vice versa. 1154 1155config CPU_R4300 1156 bool "R4300" 1157 depends on SYS_HAS_CPU_R4300 1158 select CPU_HAS_LLSC 1159 select CPU_SUPPORTS_32BIT_KERNEL 1160 select CPU_SUPPORTS_64BIT_KERNEL 1161 help 1162 MIPS Technologies R4300-series processors. 1163 1164config CPU_R4X00 1165 bool "R4x00" 1166 depends on SYS_HAS_CPU_R4X00 1167 select CPU_HAS_LLSC 1168 select CPU_SUPPORTS_32BIT_KERNEL 1169 select CPU_SUPPORTS_64BIT_KERNEL 1170 help 1171 MIPS Technologies R4000-series processors other than 4300, including 1172 the R4000, R4400, R4600, and 4700. 1173 1174config CPU_TX49XX 1175 bool "R49XX" 1176 depends on SYS_HAS_CPU_TX49XX 1177 select CPU_HAS_LLSC 1178 select CPU_HAS_PREFETCH 1179 select CPU_SUPPORTS_32BIT_KERNEL 1180 select CPU_SUPPORTS_64BIT_KERNEL 1181 1182config CPU_R5000 1183 bool "R5000" 1184 depends on SYS_HAS_CPU_R5000 1185 select CPU_HAS_LLSC 1186 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_64BIT_KERNEL 1188 help 1189 MIPS Technologies R5000-series processors other than the Nevada. 1190 1191config CPU_R5432 1192 bool "R5432" 1193 depends on SYS_HAS_CPU_R5432 1194 select CPU_HAS_LLSC 1195 select CPU_SUPPORTS_32BIT_KERNEL 1196 select CPU_SUPPORTS_64BIT_KERNEL 1197 1198config CPU_R6000 1199 bool "R6000" 1200 depends on EXPERIMENTAL 1201 select CPU_HAS_LLSC 1202 depends on SYS_HAS_CPU_R6000 1203 select CPU_SUPPORTS_32BIT_KERNEL 1204 help 1205 MIPS Technologies R6000 and R6000A series processors. Note these 1206 processors are extremely rare and the support for them is incomplete. 1207 1208config CPU_NEVADA 1209 bool "RM52xx" 1210 depends on SYS_HAS_CPU_NEVADA 1211 select CPU_HAS_LLSC 1212 select CPU_SUPPORTS_32BIT_KERNEL 1213 select CPU_SUPPORTS_64BIT_KERNEL 1214 help 1215 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1216 1217config CPU_R8000 1218 bool "R8000" 1219 depends on EXPERIMENTAL 1220 depends on SYS_HAS_CPU_R8000 1221 select CPU_HAS_LLSC 1222 select CPU_HAS_PREFETCH 1223 select CPU_SUPPORTS_64BIT_KERNEL 1224 help 1225 MIPS Technologies R8000 processors. Note these processors are 1226 uncommon and the support for them is incomplete. 1227 1228config CPU_R10000 1229 bool "R10000" 1230 depends on SYS_HAS_CPU_R10000 1231 select CPU_HAS_LLSC 1232 select CPU_HAS_PREFETCH 1233 select CPU_SUPPORTS_32BIT_KERNEL 1234 select CPU_SUPPORTS_64BIT_KERNEL 1235 select CPU_SUPPORTS_HIGHMEM 1236 help 1237 MIPS Technologies R10000-series processors. 1238 1239config CPU_RM7000 1240 bool "RM7000" 1241 depends on SYS_HAS_CPU_RM7000 1242 select CPU_HAS_LLSC 1243 select CPU_HAS_PREFETCH 1244 select CPU_SUPPORTS_32BIT_KERNEL 1245 select CPU_SUPPORTS_64BIT_KERNEL 1246 select CPU_SUPPORTS_HIGHMEM 1247 1248config CPU_RM9000 1249 bool "RM9000" 1250 depends on SYS_HAS_CPU_RM9000 1251 select CPU_HAS_LLSC 1252 select CPU_HAS_PREFETCH 1253 select CPU_SUPPORTS_32BIT_KERNEL 1254 select CPU_SUPPORTS_64BIT_KERNEL 1255 select CPU_SUPPORTS_HIGHMEM 1256 select WEAK_ORDERING 1257 1258config CPU_SB1 1259 bool "SB1" 1260 depends on SYS_HAS_CPU_SB1 1261 select CPU_HAS_LLSC 1262 select CPU_SUPPORTS_32BIT_KERNEL 1263 select CPU_SUPPORTS_64BIT_KERNEL 1264 select CPU_SUPPORTS_HIGHMEM 1265 select WEAK_ORDERING 1266 1267endchoice 1268 1269config SYS_HAS_CPU_LOONGSON2 1270 bool 1271 1272config SYS_HAS_CPU_MIPS32_R1 1273 bool 1274 1275config SYS_HAS_CPU_MIPS32_R2 1276 bool 1277 1278config SYS_HAS_CPU_MIPS64_R1 1279 bool 1280 1281config SYS_HAS_CPU_MIPS64_R2 1282 bool 1283 1284config SYS_HAS_CPU_R3000 1285 bool 1286 1287config SYS_HAS_CPU_TX39XX 1288 bool 1289 1290config SYS_HAS_CPU_VR41XX 1291 bool 1292 1293config SYS_HAS_CPU_R4300 1294 bool 1295 1296config SYS_HAS_CPU_R4X00 1297 bool 1298 1299config SYS_HAS_CPU_TX49XX 1300 bool 1301 1302config SYS_HAS_CPU_R5000 1303 bool 1304 1305config SYS_HAS_CPU_R5432 1306 bool 1307 1308config SYS_HAS_CPU_R6000 1309 bool 1310 1311config SYS_HAS_CPU_NEVADA 1312 bool 1313 1314config SYS_HAS_CPU_R8000 1315 bool 1316 1317config SYS_HAS_CPU_R10000 1318 bool 1319 1320config SYS_HAS_CPU_RM7000 1321 bool 1322 1323config SYS_HAS_CPU_RM9000 1324 bool 1325 1326config SYS_HAS_CPU_SB1 1327 bool 1328 1329# 1330# CPU may reorder R->R, R->W, W->R, W->W 1331# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1332# 1333config WEAK_ORDERING 1334 bool 1335 1336# 1337# CPU may reorder reads and writes beyond LL/SC 1338# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1339# 1340config WEAK_REORDERING_BEYOND_LLSC 1341 bool 1342endmenu 1343 1344# 1345# These two indicate any level of the MIPS32 and MIPS64 architecture 1346# 1347config CPU_MIPS32 1348 bool 1349 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1350 1351config CPU_MIPS64 1352 bool 1353 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1354 1355# 1356# These two indicate the revision of the architecture, either Release 1 or Release 2 1357# 1358config CPU_MIPSR1 1359 bool 1360 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1361 1362config CPU_MIPSR2 1363 bool 1364 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 1365 1366config SYS_SUPPORTS_32BIT_KERNEL 1367 bool 1368config SYS_SUPPORTS_64BIT_KERNEL 1369 bool 1370config CPU_SUPPORTS_32BIT_KERNEL 1371 bool 1372config CPU_SUPPORTS_64BIT_KERNEL 1373 bool 1374 1375menu "Kernel type" 1376 1377choice 1378 1379 prompt "Kernel code model" 1380 help 1381 You should only select this option if you have a workload that 1382 actually benefits from 64-bit processing or if your machine has 1383 large memory. You will only be presented a single option in this 1384 menu if your system does not support both 32-bit and 64-bit kernels. 1385 1386config 32BIT 1387 bool "32-bit kernel" 1388 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1389 select TRAD_SIGNALS 1390 help 1391 Select this option if you want to build a 32-bit kernel. 1392config 64BIT 1393 bool "64-bit kernel" 1394 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1395 help 1396 Select this option if you want to build a 64-bit kernel. 1397 1398endchoice 1399 1400choice 1401 prompt "Kernel page size" 1402 default PAGE_SIZE_4KB 1403 1404config PAGE_SIZE_4KB 1405 bool "4kB" 1406 help 1407 This option select the standard 4kB Linux page size. On some 1408 R3000-family processors this is the only available page size. Using 1409 4kB page size will minimize memory consumption and is therefore 1410 recommended for low memory systems. 1411 1412config PAGE_SIZE_8KB 1413 bool "8kB" 1414 depends on EXPERIMENTAL && CPU_R8000 1415 help 1416 Using 8kB page size will result in higher performance kernel at 1417 the price of higher memory consumption. This option is available 1418 only on the R8000 processor. Not that at the time of this writing 1419 this option is still high experimental; there are also issues with 1420 compatibility of user applications. 1421 1422config PAGE_SIZE_16KB 1423 bool "16kB" 1424 depends on !CPU_R3000 && !CPU_TX39XX 1425 help 1426 Using 16kB page size will result in higher performance kernel at 1427 the price of higher memory consumption. This option is available on 1428 all non-R3000 family processors. Note that you will need a suitable 1429 Linux distribution to support this. 1430 1431config PAGE_SIZE_64KB 1432 bool "64kB" 1433 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1434 help 1435 Using 64kB page size will result in higher performance kernel at 1436 the price of higher memory consumption. This option is available on 1437 all non-R3000 family processor. Not that at the time of this 1438 writing this option is still high experimental. 1439 1440endchoice 1441 1442config BOARD_SCACHE 1443 bool 1444 1445config IP22_CPU_SCACHE 1446 bool 1447 select BOARD_SCACHE 1448 1449# 1450# Support for a MIPS32 / MIPS64 style S-caches 1451# 1452config MIPS_CPU_SCACHE 1453 bool 1454 select BOARD_SCACHE 1455 1456config R5000_CPU_SCACHE 1457 bool 1458 select BOARD_SCACHE 1459 1460config RM7000_CPU_SCACHE 1461 bool 1462 select BOARD_SCACHE 1463 1464config SIBYTE_DMA_PAGEOPS 1465 bool "Use DMA to clear/copy pages" 1466 depends on CPU_SB1 1467 help 1468 Instead of using the CPU to zero and copy pages, use a Data Mover 1469 channel. These DMA channels are otherwise unused by the standard 1470 SiByte Linux port. Seems to give a small performance benefit. 1471 1472config CPU_HAS_PREFETCH 1473 bool 1474 1475choice 1476 prompt "MIPS MT options" 1477 1478config MIPS_MT_DISABLED 1479 bool "Disable multithreading support." 1480 help 1481 Use this option if your workload can't take advantage of 1482 MIPS hardware multithreading support. On systems that don't have 1483 the option of an MT-enabled processor this option will be the only 1484 option in this menu. 1485 1486config MIPS_MT_SMP 1487 bool "Use 1 TC on each available VPE for SMP" 1488 depends on SYS_SUPPORTS_MULTITHREADING 1489 select CPU_MIPSR2_IRQ_VI 1490 select CPU_MIPSR2_IRQ_EI 1491 select MIPS_MT 1492 select NR_CPUS_DEFAULT_2 1493 select SMP 1494 select SYS_SUPPORTS_SCHED_SMT if SMP 1495 select SYS_SUPPORTS_SMP 1496 select SMP_UP 1497 help 1498 This is a kernel model which is also known a VSMP or lately 1499 has been marketesed into SMVP. 1500 1501config MIPS_MT_SMTC 1502 bool "SMTC: Use all TCs on all VPEs for SMP" 1503 depends on CPU_MIPS32_R2 1504 #depends on CPU_MIPS64_R2 # once there is hardware ... 1505 depends on SYS_SUPPORTS_MULTITHREADING 1506 select GENERIC_CLOCKEVENTS_BROADCAST 1507 select CPU_MIPSR2_IRQ_VI 1508 select CPU_MIPSR2_IRQ_EI 1509 select MIPS_MT 1510 select NR_CPUS_DEFAULT_8 1511 select SMP 1512 select SYS_SUPPORTS_SMP 1513 select SMP_UP 1514 help 1515 This is a kernel model which is known a SMTC or lately has been 1516 marketesed into SMVP. 1517 1518endchoice 1519 1520config MIPS_MT 1521 bool 1522 1523config SCHED_SMT 1524 bool "SMT (multithreading) scheduler support" 1525 depends on SYS_SUPPORTS_SCHED_SMT 1526 default n 1527 help 1528 SMT scheduler support improves the CPU scheduler's decision making 1529 when dealing with MIPS MT enabled cores at a cost of slightly 1530 increased overhead in some places. If unsure say N here. 1531 1532config SYS_SUPPORTS_SCHED_SMT 1533 bool 1534 1535 1536config SYS_SUPPORTS_MULTITHREADING 1537 bool 1538 1539config MIPS_MT_FPAFF 1540 bool "Dynamic FPU affinity for FP-intensive threads" 1541 default y 1542 depends on MIPS_MT_SMP || MIPS_MT_SMTC 1543 1544config MIPS_VPE_LOADER 1545 bool "VPE loader support." 1546 depends on SYS_SUPPORTS_MULTITHREADING 1547 select CPU_MIPSR2_IRQ_VI 1548 select CPU_MIPSR2_IRQ_EI 1549 select MIPS_MT 1550 help 1551 Includes a loader for loading an elf relocatable object 1552 onto another VPE and running it. 1553 1554config MIPS_MT_SMTC_INSTANT_REPLAY 1555 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1556 depends on MIPS_MT_SMTC && !PREEMPT 1557 default y 1558 help 1559 SMTC pseudo-interrupts between TCs are deferred and queued 1560 if the target TC is interrupt-inhibited (IXMT). In the first 1561 SMTC prototypes, these queued IPIs were serviced on return 1562 to user mode, or on entry into the kernel idle loop. The 1563 INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1564 processing, which adds runtime overhead (hence the option to turn 1565 it off), but ensures that IPIs are handled promptly even under 1566 heavy I/O interrupt load. 1567 1568config MIPS_MT_SMTC_IM_BACKSTOP 1569 bool "Use per-TC register bits as backstop for inhibited IM bits" 1570 depends on MIPS_MT_SMTC 1571 default y 1572 help 1573 To support multiple TC microthreads acting as "CPUs" within 1574 a VPE, VPE-wide interrupt mask bits must be specially manipulated 1575 during interrupt handling. To support legacy drivers and interrupt 1576 controller management code, SMTC has a "backstop" to track and 1577 if necessary restore the interrupt mask. This has some performance 1578 impact on interrupt service overhead. Disable it only if you know 1579 what you are doing. 1580 1581config MIPS_MT_SMTC_IRQAFF 1582 bool "Support IRQ affinity API" 1583 depends on MIPS_MT_SMTC 1584 default n 1585 help 1586 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1587 for SMTC Linux kernel. Requires platform support, of which 1588 an example can be found in the MIPS kernel i8259 and Malta 1589 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1590 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1591 interrupt dispatch, and should be used only if you know what 1592 you are doing. 1593 1594config MIPS_VPE_LOADER_TOM 1595 bool "Load VPE program into memory hidden from linux" 1596 depends on MIPS_VPE_LOADER 1597 default y 1598 help 1599 The loader can use memory that is present but has been hidden from 1600 Linux using the kernel command line option "mem=xxMB". It's up to 1601 you to ensure the amount you put in the option and the space your 1602 program requires is less or equal to the amount physically present. 1603 1604# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1605config MIPS_VPE_APSP_API 1606 bool "Enable support for AP/SP API (RTLX)" 1607 depends on MIPS_VPE_LOADER 1608 help 1609 1610config MIPS_APSP_KSPD 1611 bool "Enable KSPD" 1612 depends on MIPS_VPE_APSP_API 1613 default y 1614 help 1615 KSPD is a kernel daemon that accepts syscall requests from the SP 1616 side, actions them and returns the results. It also handles the 1617 "exit" syscall notifying other kernel modules the SP program is 1618 exiting. You probably want to say yes here. 1619 1620config SB1_PASS_1_WORKAROUNDS 1621 bool 1622 depends on CPU_SB1_PASS_1 1623 default y 1624 1625config SB1_PASS_2_WORKAROUNDS 1626 bool 1627 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1628 default y 1629 1630config SB1_PASS_2_1_WORKAROUNDS 1631 bool 1632 depends on CPU_SB1 && CPU_SB1_PASS_2 1633 default y 1634 1635config 64BIT_PHYS_ADDR 1636 bool 1637 1638config CPU_HAS_LLSC 1639 bool 1640 1641config CPU_HAS_SMARTMIPS 1642 depends on SYS_SUPPORTS_SMARTMIPS 1643 bool "Support for the SmartMIPS ASE" 1644 help 1645 SmartMIPS is a extension of the MIPS32 architecture aimed at 1646 increased security at both hardware and software level for 1647 smartcards. Enabling this option will allow proper use of the 1648 SmartMIPS instructions by Linux applications. However a kernel with 1649 this option will not work on a MIPS core without SmartMIPS core. If 1650 you don't know you probably don't have SmartMIPS and should say N 1651 here. 1652 1653config CPU_HAS_WB 1654 bool 1655 1656# 1657# Vectored interrupt mode is an R2 feature 1658# 1659config CPU_MIPSR2_IRQ_VI 1660 bool 1661 1662# 1663# Extended interrupt mode is an R2 feature 1664# 1665config CPU_MIPSR2_IRQ_EI 1666 bool 1667 1668config CPU_HAS_SYNC 1669 bool 1670 depends on !CPU_R3000 1671 default y 1672 1673config GENERIC_CLOCKEVENTS_BROADCAST 1674 bool 1675 1676# 1677# CPU non-features 1678# 1679config CPU_DADDI_WORKAROUNDS 1680 bool 1681 1682config CPU_R4000_WORKAROUNDS 1683 bool 1684 select CPU_R4400_WORKAROUNDS 1685 1686config CPU_R4400_WORKAROUNDS 1687 bool 1688 1689# 1690# Use the generic interrupt handling code in kernel/irq/: 1691# 1692config GENERIC_HARDIRQS 1693 bool 1694 default y 1695 1696config GENERIC_IRQ_PROBE 1697 bool 1698 default y 1699 1700config IRQ_PER_CPU 1701 bool 1702 1703# 1704# - Highmem only makes sense for the 32-bit kernel. 1705# - The current highmem code will only work properly on physically indexed 1706# caches such as R3000, SB1, R7000 or those that look like they're virtually 1707# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1708# moment we protect the user and offer the highmem option only on machines 1709# where it's known to be safe. This will not offer highmem on a few systems 1710# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1711# indexed CPUs but we're playing safe. 1712# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1713# know they might have memory configurations that could make use of highmem 1714# support. 1715# 1716config HIGHMEM 1717 bool "High Memory Support" 1718 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1719 1720config CPU_SUPPORTS_HIGHMEM 1721 bool 1722 1723config SYS_SUPPORTS_HIGHMEM 1724 bool 1725 1726config SYS_SUPPORTS_SMARTMIPS 1727 bool 1728 1729config ARCH_FLATMEM_ENABLE 1730 def_bool y 1731 depends on !NUMA 1732 1733config ARCH_DISCONTIGMEM_ENABLE 1734 bool 1735 default y if SGI_IP27 1736 help 1737 Say Y to support efficient handling of discontiguous physical memory, 1738 for architectures which are either NUMA (Non-Uniform Memory Access) 1739 or have huge holes in the physical address space for other reasons. 1740 See <file:Documentation/vm/numa> for more. 1741 1742config ARCH_POPULATES_NODE_MAP 1743 def_bool y 1744 1745config ARCH_SPARSEMEM_ENABLE 1746 bool 1747 select SPARSEMEM_STATIC 1748 1749config NUMA 1750 bool "NUMA Support" 1751 depends on SYS_SUPPORTS_NUMA 1752 help 1753 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1754 Access). This option improves performance on systems with more 1755 than two nodes; on two node systems it is generally better to 1756 leave it disabled; on single node systems disable this option 1757 disabled. 1758 1759config SYS_SUPPORTS_NUMA 1760 bool 1761 1762config NODES_SHIFT 1763 int 1764 default "6" 1765 depends on NEED_MULTIPLE_NODES 1766 1767source "mm/Kconfig" 1768 1769config SMP 1770 bool "Multi-Processing support" 1771 depends on SYS_SUPPORTS_SMP 1772 select IRQ_PER_CPU 1773 help 1774 This enables support for systems with more than one CPU. If you have 1775 a system with only one CPU, like most personal computers, say N. If 1776 you have a system with more than one CPU, say Y. 1777 1778 If you say N here, the kernel will run on single and multiprocessor 1779 machines, but will use only one CPU of a multiprocessor machine. If 1780 you say Y here, the kernel will run on many, but not all, 1781 singleprocessor machines. On a singleprocessor machine, the kernel 1782 will run faster if you say N here. 1783 1784 People using multiprocessor machines who say Y here should also say 1785 Y to "Enhanced Real Time Clock Support", below. 1786 1787 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1788 available at <http://www.tldp.org/docs.html#howto>. 1789 1790 If you don't know what to do here, say N. 1791 1792config SMP_UP 1793 bool 1794 1795config SYS_SUPPORTS_SMP 1796 bool 1797 1798config NR_CPUS_DEFAULT_1 1799 bool 1800 1801config NR_CPUS_DEFAULT_2 1802 bool 1803 1804config NR_CPUS_DEFAULT_4 1805 bool 1806 1807config NR_CPUS_DEFAULT_8 1808 bool 1809 1810config NR_CPUS_DEFAULT_16 1811 bool 1812 1813config NR_CPUS_DEFAULT_32 1814 bool 1815 1816config NR_CPUS_DEFAULT_64 1817 bool 1818 1819config NR_CPUS 1820 int "Maximum number of CPUs (2-64)" 1821 range 1 64 if NR_CPUS_DEFAULT_1 1822 depends on SMP 1823 default "1" if NR_CPUS_DEFAULT_1 1824 default "2" if NR_CPUS_DEFAULT_2 1825 default "4" if NR_CPUS_DEFAULT_4 1826 default "8" if NR_CPUS_DEFAULT_8 1827 default "16" if NR_CPUS_DEFAULT_16 1828 default "32" if NR_CPUS_DEFAULT_32 1829 default "64" if NR_CPUS_DEFAULT_64 1830 help 1831 This allows you to specify the maximum number of CPUs which this 1832 kernel will support. The maximum supported value is 32 for 32-bit 1833 kernel and 64 for 64-bit kernels; the minimum value which makes 1834 sense is 1 for Qemu (useful only for kernel debugging purposes) 1835 and 2 for all others. 1836 1837 This is purely to save memory - each supported CPU adds 1838 approximately eight kilobytes to the kernel image. For best 1839 performance should round up your number of processors to the next 1840 power of two. 1841 1842source "kernel/time/Kconfig" 1843 1844# 1845# Timer Interrupt Frequency Configuration 1846# 1847 1848choice 1849 prompt "Timer frequency" 1850 default HZ_250 1851 help 1852 Allows the configuration of the timer frequency. 1853 1854 config HZ_48 1855 bool "48 HZ" if SYS_SUPPORTS_48HZ 1856 1857 config HZ_100 1858 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 1859 1860 config HZ_128 1861 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 1862 1863 config HZ_250 1864 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 1865 1866 config HZ_256 1867 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 1868 1869 config HZ_1000 1870 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 1871 1872 config HZ_1024 1873 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 1874 1875endchoice 1876 1877config SYS_SUPPORTS_48HZ 1878 bool 1879 1880config SYS_SUPPORTS_100HZ 1881 bool 1882 1883config SYS_SUPPORTS_128HZ 1884 bool 1885 1886config SYS_SUPPORTS_250HZ 1887 bool 1888 1889config SYS_SUPPORTS_256HZ 1890 bool 1891 1892config SYS_SUPPORTS_1000HZ 1893 bool 1894 1895config SYS_SUPPORTS_1024HZ 1896 bool 1897 1898config SYS_SUPPORTS_ARBIT_HZ 1899 bool 1900 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 1901 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 1902 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 1903 !SYS_SUPPORTS_1024HZ 1904 1905config HZ 1906 int 1907 default 48 if HZ_48 1908 default 100 if HZ_100 1909 default 128 if HZ_128 1910 default 250 if HZ_250 1911 default 256 if HZ_256 1912 default 1000 if HZ_1000 1913 default 1024 if HZ_1024 1914 1915source "kernel/Kconfig.preempt" 1916 1917config MIPS_INSANE_LARGE 1918 bool "Support for large 64-bit configurations" 1919 depends on CPU_R10000 && 64BIT 1920 help 1921 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1922 previous 64-bit processors which only supported 40 bit / 1TB. If you 1923 need processes of more than 1TB virtual address space, say Y here. 1924 This will result in additional memory usage, so it is not 1925 recommended for normal users. 1926 1927config KEXEC 1928 bool "Kexec system call (EXPERIMENTAL)" 1929 depends on EXPERIMENTAL 1930 help 1931 kexec is a system call that implements the ability to shutdown your 1932 current kernel, and to start another kernel. It is like a reboot 1933 but it is independent of the system firmware. And like a reboot 1934 you can start any kernel with it, not just Linux. 1935 1936 The name comes from the similarity to the exec system call. 1937 1938 It is an ongoing process to be certain the hardware in a machine 1939 is properly shutdown, so do not be surprised if this code does not 1940 initially work for you. It may help to enable device hotplugging 1941 support. As of this writing the exact hardware interface is 1942 strongly in flux, so no good recommendation can be made. 1943 1944config SECCOMP 1945 bool "Enable seccomp to safely compute untrusted bytecode" 1946 depends on PROC_FS 1947 default y 1948 help 1949 This kernel feature is useful for number crunching applications 1950 that may need to compute untrusted bytecode during their 1951 execution. By using pipes or other transports made available to 1952 the process as file descriptors supporting the read/write 1953 syscalls, it's possible to isolate those applications in 1954 their own address space using seccomp. Once seccomp is 1955 enabled via /proc/<pid>/seccomp, it cannot be disabled 1956 and the task is only allowed to execute a few safe syscalls 1957 defined by each seccomp mode. 1958 1959 If unsure, say Y. Only embedded should say N here. 1960 1961endmenu 1962 1963config RWSEM_GENERIC_SPINLOCK 1964 bool 1965 default y 1966 1967config LOCKDEP_SUPPORT 1968 bool 1969 default y 1970 1971config STACKTRACE_SUPPORT 1972 bool 1973 default y 1974 1975source "init/Kconfig" 1976 1977menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1978 1979config HW_HAS_EISA 1980 bool 1981config HW_HAS_PCI 1982 bool 1983 1984config PCI 1985 bool "Support for PCI controller" 1986 depends on HW_HAS_PCI 1987 select PCI_DOMAINS 1988 help 1989 Find out whether you have a PCI motherboard. PCI is the name of a 1990 bus system, i.e. the way the CPU talks to the other stuff inside 1991 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1992 say Y, otherwise N. 1993 1994 The PCI-HOWTO, available from 1995 <http://www.tldp.org/docs.html#howto>, contains valuable 1996 information about which PCI hardware does work under Linux and which 1997 doesn't. 1998 1999config PCI_DOMAINS 2000 bool 2001 2002source "drivers/pci/Kconfig" 2003 2004# 2005# ISA support is now enabled via select. Too many systems still have the one 2006# or other ISA chip on the board that users don't know about so don't expect 2007# users to choose the right thing ... 2008# 2009config ISA 2010 bool 2011 2012config EISA 2013 bool "EISA support" 2014 depends on HW_HAS_EISA 2015 select ISA 2016 select GENERIC_ISA_DMA 2017 ---help--- 2018 The Extended Industry Standard Architecture (EISA) bus was 2019 developed as an open alternative to the IBM MicroChannel bus. 2020 2021 The EISA bus provided some of the features of the IBM MicroChannel 2022 bus while maintaining backward compatibility with cards made for 2023 the older ISA bus. The EISA bus saw limited use between 1988 and 2024 1995 when it was made obsolete by the PCI bus. 2025 2026 Say Y here if you are building a kernel for an EISA-based machine. 2027 2028 Otherwise, say N. 2029 2030source "drivers/eisa/Kconfig" 2031 2032config TC 2033 bool "TURBOchannel support" 2034 depends on MACH_DECSTATION 2035 help 2036 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2037 processors. Documentation on writing device drivers for TurboChannel 2038 is available at: 2039 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 2040 2041#config ACCESSBUS 2042# bool "Access.Bus support" 2043# depends on TC 2044 2045config MMU 2046 bool 2047 default y 2048 2049config I8253 2050 bool 2051 2052config ZONE_DMA32 2053 bool 2054 2055source "drivers/pcmcia/Kconfig" 2056 2057source "drivers/pci/hotplug/Kconfig" 2058 2059endmenu 2060 2061menu "Executable file formats" 2062 2063source "fs/Kconfig.binfmt" 2064 2065config TRAD_SIGNALS 2066 bool 2067 2068config BINFMT_IRIX 2069 bool "Include IRIX binary compatibility" 2070 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 2071 2072config MIPS32_COMPAT 2073 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2074 depends on 64BIT 2075 help 2076 Select this option if you want Linux/MIPS 32-bit binary 2077 compatibility. Since all software available for Linux/MIPS is 2078 currently 32-bit you should say Y here. 2079 2080config COMPAT 2081 bool 2082 depends on MIPS32_COMPAT 2083 default y 2084 2085config SYSVIPC_COMPAT 2086 bool 2087 depends on COMPAT && SYSVIPC 2088 default y 2089 2090config MIPS32_O32 2091 bool "Kernel support for o32 binaries" 2092 depends on MIPS32_COMPAT 2093 help 2094 Select this option if you want to run o32 binaries. These are pure 2095 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2096 existing binaries are in this format. 2097 2098 If unsure, say Y. 2099 2100config MIPS32_N32 2101 bool "Kernel support for n32 binaries" 2102 depends on MIPS32_COMPAT 2103 help 2104 Select this option if you want to run n32 binaries. These are 2105 64-bit binaries using 32-bit quantities for addressing and certain 2106 data that would normally be 64-bit. They are used in special 2107 cases. 2108 2109 If unsure, say N. 2110 2111config BINFMT_ELF32 2112 bool 2113 default y if MIPS32_O32 || MIPS32_N32 2114 2115endmenu 2116 2117menu "Power management options" 2118 2119source "kernel/power/Kconfig" 2120 2121endmenu 2122 2123source "net/Kconfig" 2124 2125source "drivers/Kconfig" 2126 2127source "fs/Kconfig" 2128 2129source "kernel/Kconfig.instrumentation" 2130 2131source "arch/mips/Kconfig.debug" 2132 2133source "security/Kconfig" 2134 2135source "crypto/Kconfig" 2136 2137source "lib/Kconfig" 2138