1config MIPS 2 bool 3 default y 4 select ARCH_MIGHT_HAVE_PC_PARPORT 5 select ARCH_MIGHT_HAVE_PC_SERIO 6 select HAVE_CONTEXT_TRACKING 7 select HAVE_GENERIC_DMA_COHERENT 8 select HAVE_IDE 9 select HAVE_OPROFILE 10 select HAVE_PERF_EVENTS 11 select PERF_USE_VMALLOC 12 select HAVE_ARCH_KGDB 13 select HAVE_ARCH_SECCOMP_FILTER 14 select HAVE_ARCH_TRACEHOOK 15 select HAVE_BPF_JIT if !CPU_MICROMIPS 16 select ARCH_HAVE_CUSTOM_GPIO_H 17 select HAVE_FUNCTION_TRACER 18 select HAVE_DYNAMIC_FTRACE 19 select HAVE_FTRACE_MCOUNT_RECORD 20 select HAVE_C_RECORDMCOUNT 21 select HAVE_FUNCTION_GRAPH_TRACER 22 select HAVE_KPROBES 23 select HAVE_KRETPROBES 24 select HAVE_DEBUG_KMEMLEAK 25 select HAVE_SYSCALL_TRACEPOINTS 26 select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 28 select RTC_LIB if !MACH_LOONGSON 29 select GENERIC_ATOMIC64 if !64BIT 30 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 31 select HAVE_DMA_ATTRS 32 select HAVE_DMA_CONTIGUOUS 33 select HAVE_DMA_API_DEBUG 34 select GENERIC_IRQ_PROBE 35 select GENERIC_IRQ_SHOW 36 select GENERIC_PCI_IOMAP 37 select HAVE_ARCH_JUMP_LABEL 38 select ARCH_WANT_IPC_PARSE_VERSION 39 select IRQ_FORCED_THREADING 40 select HAVE_MEMBLOCK 41 select HAVE_MEMBLOCK_NODE_MAP 42 select ARCH_DISCARD_MEMBLOCK 43 select GENERIC_SMP_IDLE_THREAD 44 select BUILDTIME_EXTABLE_SORT 45 select GENERIC_CLOCKEVENTS 46 select GENERIC_CMOS_UPDATE 47 select HAVE_MOD_ARCH_SPECIFIC 48 select VIRT_TO_BUS 49 select MODULES_USE_ELF_REL if MODULES 50 select MODULES_USE_ELF_RELA if MODULES && 64BIT 51 select CLONE_BACKWARDS 52 select HAVE_DEBUG_STACKOVERFLOW 53 select HAVE_CC_STACKPROTECTOR 54 select CPU_PM if CPU_IDLE 55 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 56 57menu "Machine selection" 58 59choice 60 prompt "System type" 61 default SGI_IP22 62 63config MIPS_ALCHEMY 64 bool "Alchemy processor based machines" 65 select 64BIT_PHYS_ADDR 66 select CEVT_R4K 67 select CSRC_R4K 68 select IRQ_CPU 69 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 70 select SYS_HAS_CPU_MIPS32_R1 71 select SYS_SUPPORTS_32BIT_KERNEL 72 select SYS_SUPPORTS_APM_EMULATION 73 select ARCH_REQUIRE_GPIOLIB 74 select SYS_SUPPORTS_ZBOOT 75 select COMMON_CLK 76 77config AR7 78 bool "Texas Instruments AR7" 79 select BOOT_ELF32 80 select DMA_NONCOHERENT 81 select CEVT_R4K 82 select CSRC_R4K 83 select IRQ_CPU 84 select NO_EXCEPT_FILL 85 select SWAP_IO_SPACE 86 select SYS_HAS_CPU_MIPS32_R1 87 select SYS_HAS_EARLY_PRINTK 88 select SYS_SUPPORTS_32BIT_KERNEL 89 select SYS_SUPPORTS_LITTLE_ENDIAN 90 select SYS_SUPPORTS_MIPS16 91 select SYS_SUPPORTS_ZBOOT_UART16550 92 select ARCH_REQUIRE_GPIOLIB 93 select VLYNQ 94 select HAVE_CLK 95 help 96 Support for the Texas Instruments AR7 System-on-a-Chip 97 family: TNETD7100, 7200 and 7300. 98 99config ATH79 100 bool "Atheros AR71XX/AR724X/AR913X based boards" 101 select ARCH_REQUIRE_GPIOLIB 102 select BOOT_RAW 103 select CEVT_R4K 104 select CSRC_R4K 105 select DMA_NONCOHERENT 106 select HAVE_CLK 107 select CLKDEV_LOOKUP 108 select IRQ_CPU 109 select MIPS_MACHINE 110 select SYS_HAS_CPU_MIPS32_R2 111 select SYS_HAS_EARLY_PRINTK 112 select SYS_SUPPORTS_32BIT_KERNEL 113 select SYS_SUPPORTS_BIG_ENDIAN 114 select SYS_SUPPORTS_MIPS16 115 help 116 Support for the Atheros AR71XX/AR724X/AR913X SoCs. 117 118config BCM47XX 119 bool "Broadcom BCM47XX based boards" 120 select ARCH_WANT_OPTIONAL_GPIOLIB 121 select BOOT_RAW 122 select CEVT_R4K 123 select CSRC_R4K 124 select DMA_NONCOHERENT 125 select HW_HAS_PCI 126 select IRQ_CPU 127 select SYS_HAS_CPU_MIPS32_R1 128 select NO_EXCEPT_FILL 129 select SYS_SUPPORTS_32BIT_KERNEL 130 select SYS_SUPPORTS_LITTLE_ENDIAN 131 select SYS_SUPPORTS_MIPS16 132 select SYS_HAS_EARLY_PRINTK 133 select USE_GENERIC_EARLY_PRINTK_8250 134 select GPIOLIB 135 select LEDS_GPIO_REGISTER 136 help 137 Support for BCM47XX based boards 138 139config BCM63XX 140 bool "Broadcom BCM63XX based boards" 141 select BOOT_RAW 142 select CEVT_R4K 143 select CSRC_R4K 144 select SYNC_R4K 145 select DMA_NONCOHERENT 146 select IRQ_CPU 147 select SYS_SUPPORTS_32BIT_KERNEL 148 select SYS_SUPPORTS_BIG_ENDIAN 149 select SYS_HAS_EARLY_PRINTK 150 select SWAP_IO_SPACE 151 select ARCH_REQUIRE_GPIOLIB 152 select HAVE_CLK 153 select MIPS_L1_CACHE_SHIFT_4 154 help 155 Support for BCM63XX based boards 156 157config MIPS_COBALT 158 bool "Cobalt Server" 159 select CEVT_R4K 160 select CSRC_R4K 161 select CEVT_GT641XX 162 select DMA_NONCOHERENT 163 select HW_HAS_PCI 164 select I8253 165 select I8259 166 select IRQ_CPU 167 select IRQ_GT641XX 168 select PCI_GT64XXX_PCI0 169 select PCI 170 select SYS_HAS_CPU_NEVADA 171 select SYS_HAS_EARLY_PRINTK 172 select SYS_SUPPORTS_32BIT_KERNEL 173 select SYS_SUPPORTS_64BIT_KERNEL 174 select SYS_SUPPORTS_LITTLE_ENDIAN 175 select USE_GENERIC_EARLY_PRINTK_8250 176 177config MACH_DECSTATION 178 bool "DECstations" 179 select BOOT_ELF32 180 select CEVT_DS1287 181 select CEVT_R4K if CPU_R4X00 182 select CSRC_IOASIC 183 select CSRC_R4K if CPU_R4X00 184 select CPU_DADDI_WORKAROUNDS if 64BIT 185 select CPU_R4000_WORKAROUNDS if 64BIT 186 select CPU_R4400_WORKAROUNDS if 64BIT 187 select DMA_NONCOHERENT 188 select NO_IOPORT_MAP 189 select IRQ_CPU 190 select SYS_HAS_CPU_R3000 191 select SYS_HAS_CPU_R4X00 192 select SYS_SUPPORTS_32BIT_KERNEL 193 select SYS_SUPPORTS_64BIT_KERNEL 194 select SYS_SUPPORTS_LITTLE_ENDIAN 195 select SYS_SUPPORTS_128HZ 196 select SYS_SUPPORTS_256HZ 197 select SYS_SUPPORTS_1024HZ 198 select MIPS_L1_CACHE_SHIFT_4 199 help 200 This enables support for DEC's MIPS based workstations. For details 201 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 202 DECstation porting pages on <http://decstation.unix-ag.org/>. 203 204 If you have one of the following DECstation Models you definitely 205 want to choose R4xx0 for the CPU Type: 206 207 DECstation 5000/50 208 DECstation 5000/150 209 DECstation 5000/260 210 DECsystem 5900/260 211 212 otherwise choose R3000. 213 214config MACH_JAZZ 215 bool "Jazz family of machines" 216 select FW_ARC 217 select FW_ARC32 218 select ARCH_MAY_HAVE_PC_FDC 219 select CEVT_R4K 220 select CSRC_R4K 221 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 222 select GENERIC_ISA_DMA 223 select HAVE_PCSPKR_PLATFORM 224 select IRQ_CPU 225 select I8253 226 select I8259 227 select ISA 228 select SYS_HAS_CPU_R4X00 229 select SYS_SUPPORTS_32BIT_KERNEL 230 select SYS_SUPPORTS_64BIT_KERNEL 231 select SYS_SUPPORTS_100HZ 232 help 233 This a family of machines based on the MIPS R4030 chipset which was 234 used by several vendors to build RISC/os and Windows NT workstations. 235 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 236 Olivetti M700-10 workstations. 237 238config MACH_JZ4740 239 bool "Ingenic JZ4740 based machines" 240 select SYS_HAS_CPU_MIPS32_R1 241 select SYS_SUPPORTS_32BIT_KERNEL 242 select SYS_SUPPORTS_LITTLE_ENDIAN 243 select SYS_SUPPORTS_ZBOOT_UART16550 244 select DMA_NONCOHERENT 245 select IRQ_CPU 246 select ARCH_REQUIRE_GPIOLIB 247 select SYS_HAS_EARLY_PRINTK 248 select HAVE_CLK 249 select GENERIC_IRQ_CHIP 250 251config LANTIQ 252 bool "Lantiq based platforms" 253 select DMA_NONCOHERENT 254 select IRQ_CPU 255 select CEVT_R4K 256 select CSRC_R4K 257 select SYS_HAS_CPU_MIPS32_R1 258 select SYS_HAS_CPU_MIPS32_R2 259 select SYS_SUPPORTS_BIG_ENDIAN 260 select SYS_SUPPORTS_32BIT_KERNEL 261 select SYS_SUPPORTS_MIPS16 262 select SYS_SUPPORTS_MULTITHREADING 263 select SYS_HAS_EARLY_PRINTK 264 select ARCH_REQUIRE_GPIOLIB 265 select SWAP_IO_SPACE 266 select BOOT_RAW 267 select HAVE_MACH_CLKDEV 268 select CLKDEV_LOOKUP 269 select USE_OF 270 select PINCTRL 271 select PINCTRL_LANTIQ 272 273config LASAT 274 bool "LASAT Networks platforms" 275 select CEVT_R4K 276 select CRC32 277 select CSRC_R4K 278 select DMA_NONCOHERENT 279 select SYS_HAS_EARLY_PRINTK 280 select HW_HAS_PCI 281 select IRQ_CPU 282 select PCI_GT64XXX_PCI0 283 select MIPS_NILE4 284 select R5000_CPU_SCACHE 285 select SYS_HAS_CPU_R5000 286 select SYS_SUPPORTS_32BIT_KERNEL 287 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 288 select SYS_SUPPORTS_LITTLE_ENDIAN 289 290config MACH_LOONGSON 291 bool "Loongson family of machines" 292 select SYS_SUPPORTS_ZBOOT 293 help 294 This enables the support of Loongson family of machines. 295 296 Loongson is a family of general-purpose MIPS-compatible CPUs. 297 developed at Institute of Computing Technology (ICT), 298 Chinese Academy of Sciences (CAS) in the People's Republic 299 of China. The chief architect is Professor Weiwu Hu. 300 301config MACH_LOONGSON1 302 bool "Loongson 1 family of machines" 303 select SYS_SUPPORTS_ZBOOT 304 help 305 This enables support for the Loongson 1 based machines. 306 307 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 308 the ICT (Institute of Computing Technology) and the Chinese Academy 309 of Sciences. 310 311config MIPS_MALTA 312 bool "MIPS Malta board" 313 select ARCH_MAY_HAVE_PC_FDC 314 select BOOT_ELF32 315 select BOOT_RAW 316 select CEVT_R4K 317 select CSRC_R4K 318 select CSRC_GIC 319 select DMA_MAYBE_COHERENT 320 select GENERIC_ISA_DMA 321 select HAVE_PCSPKR_PLATFORM 322 select IRQ_CPU 323 select IRQ_GIC 324 select HW_HAS_PCI 325 select I8253 326 select I8259 327 select MIPS_BONITO64 328 select MIPS_CPU_SCACHE 329 select PCI_GT64XXX_PCI0 330 select MIPS_MSC 331 select SWAP_IO_SPACE 332 select SYS_HAS_CPU_MIPS32_R1 333 select SYS_HAS_CPU_MIPS32_R2 334 select SYS_HAS_CPU_MIPS32_R3_5 335 select SYS_HAS_CPU_MIPS64_R1 336 select SYS_HAS_CPU_MIPS64_R2 337 select SYS_HAS_CPU_NEVADA 338 select SYS_HAS_CPU_RM7000 339 select SYS_SUPPORTS_32BIT_KERNEL 340 select SYS_SUPPORTS_64BIT_KERNEL 341 select SYS_SUPPORTS_BIG_ENDIAN 342 select SYS_SUPPORTS_LITTLE_ENDIAN 343 select SYS_SUPPORTS_MIPS_CMP 344 select SYS_SUPPORTS_MIPS_CPS 345 select SYS_SUPPORTS_MIPS16 346 select SYS_SUPPORTS_MULTITHREADING 347 select SYS_SUPPORTS_SMARTMIPS 348 select SYS_SUPPORTS_ZBOOT 349 help 350 This enables support for the MIPS Technologies Malta evaluation 351 board. 352 353config MIPS_SEAD3 354 bool "MIPS SEAD3 board" 355 select BOOT_ELF32 356 select BOOT_RAW 357 select BUILTIN_DTB 358 select CEVT_R4K 359 select CSRC_R4K 360 select CSRC_GIC 361 select CPU_MIPSR2_IRQ_VI 362 select CPU_MIPSR2_IRQ_EI 363 select DMA_NONCOHERENT 364 select IRQ_CPU 365 select IRQ_GIC 366 select LIBFDT 367 select MIPS_MSC 368 select SYS_HAS_CPU_MIPS32_R1 369 select SYS_HAS_CPU_MIPS32_R2 370 select SYS_HAS_CPU_MIPS64_R1 371 select SYS_HAS_EARLY_PRINTK 372 select SYS_SUPPORTS_32BIT_KERNEL 373 select SYS_SUPPORTS_64BIT_KERNEL 374 select SYS_SUPPORTS_BIG_ENDIAN 375 select SYS_SUPPORTS_LITTLE_ENDIAN 376 select SYS_SUPPORTS_SMARTMIPS 377 select SYS_SUPPORTS_MICROMIPS 378 select SYS_SUPPORTS_MIPS16 379 select USB_EHCI_BIG_ENDIAN_DESC 380 select USB_EHCI_BIG_ENDIAN_MMIO 381 select USE_OF 382 help 383 This enables support for the MIPS Technologies SEAD3 evaluation 384 board. 385 386config NEC_MARKEINS 387 bool "NEC EMMA2RH Mark-eins board" 388 select SOC_EMMA2RH 389 select HW_HAS_PCI 390 help 391 This enables support for the NEC Electronics Mark-eins boards. 392 393config MACH_VR41XX 394 bool "NEC VR4100 series based machines" 395 select CEVT_R4K 396 select CSRC_R4K 397 select SYS_HAS_CPU_VR41XX 398 select SYS_SUPPORTS_MIPS16 399 select ARCH_REQUIRE_GPIOLIB 400 401config NXP_STB220 402 bool "NXP STB220 board" 403 select SOC_PNX833X 404 help 405 Support for NXP Semiconductors STB220 Development Board. 406 407config NXP_STB225 408 bool "NXP 225 board" 409 select SOC_PNX833X 410 select SOC_PNX8335 411 help 412 Support for NXP Semiconductors STB225 Development Board. 413 414config PMC_MSP 415 bool "PMC-Sierra MSP chipsets" 416 select CEVT_R4K 417 select CSRC_R4K 418 select DMA_NONCOHERENT 419 select SWAP_IO_SPACE 420 select NO_EXCEPT_FILL 421 select BOOT_RAW 422 select SYS_HAS_CPU_MIPS32_R1 423 select SYS_HAS_CPU_MIPS32_R2 424 select SYS_SUPPORTS_32BIT_KERNEL 425 select SYS_SUPPORTS_BIG_ENDIAN 426 select SYS_SUPPORTS_MIPS16 427 select IRQ_CPU 428 select SERIAL_8250 429 select SERIAL_8250_CONSOLE 430 select USB_EHCI_BIG_ENDIAN_MMIO 431 select USB_EHCI_BIG_ENDIAN_DESC 432 help 433 This adds support for the PMC-Sierra family of Multi-Service 434 Processor System-On-A-Chips. These parts include a number 435 of integrated peripherals, interfaces and DSPs in addition to 436 a variety of MIPS cores. 437 438config RALINK 439 bool "Ralink based machines" 440 select CEVT_R4K 441 select CSRC_R4K 442 select BOOT_RAW 443 select DMA_NONCOHERENT 444 select IRQ_CPU 445 select USE_OF 446 select SYS_HAS_CPU_MIPS32_R1 447 select SYS_HAS_CPU_MIPS32_R2 448 select SYS_SUPPORTS_32BIT_KERNEL 449 select SYS_SUPPORTS_LITTLE_ENDIAN 450 select SYS_SUPPORTS_MIPS16 451 select SYS_HAS_EARLY_PRINTK 452 select HAVE_MACH_CLKDEV 453 select CLKDEV_LOOKUP 454 select ARCH_HAS_RESET_CONTROLLER 455 select RESET_CONTROLLER 456 457config SGI_IP22 458 bool "SGI IP22 (Indy/Indigo2)" 459 select FW_ARC 460 select FW_ARC32 461 select BOOT_ELF32 462 select CEVT_R4K 463 select CSRC_R4K 464 select DEFAULT_SGI_PARTITION 465 select DMA_NONCOHERENT 466 select HW_HAS_EISA 467 select I8253 468 select I8259 469 select IP22_CPU_SCACHE 470 select IRQ_CPU 471 select GENERIC_ISA_DMA_SUPPORT_BROKEN 472 select SGI_HAS_I8042 473 select SGI_HAS_INDYDOG 474 select SGI_HAS_HAL2 475 select SGI_HAS_SEEQ 476 select SGI_HAS_WD93 477 select SGI_HAS_ZILOG 478 select SWAP_IO_SPACE 479 select SYS_HAS_CPU_R4X00 480 select SYS_HAS_CPU_R5000 481 # 482 # Disable EARLY_PRINTK for now since it leads to overwritten prom 483 # memory during early boot on some machines. 484 # 485 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 486 # for a more details discussion 487 # 488 # select SYS_HAS_EARLY_PRINTK 489 select SYS_SUPPORTS_32BIT_KERNEL 490 select SYS_SUPPORTS_64BIT_KERNEL 491 select SYS_SUPPORTS_BIG_ENDIAN 492 select MIPS_L1_CACHE_SHIFT_7 493 help 494 This are the SGI Indy, Challenge S and Indigo2, as well as certain 495 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 496 that runs on these, say Y here. 497 498config SGI_IP27 499 bool "SGI IP27 (Origin200/2000)" 500 select FW_ARC 501 select FW_ARC64 502 select BOOT_ELF64 503 select DEFAULT_SGI_PARTITION 504 select DMA_COHERENT 505 select SYS_HAS_EARLY_PRINTK 506 select HW_HAS_PCI 507 select NR_CPUS_DEFAULT_64 508 select SYS_HAS_CPU_R10000 509 select SYS_SUPPORTS_64BIT_KERNEL 510 select SYS_SUPPORTS_BIG_ENDIAN 511 select SYS_SUPPORTS_NUMA 512 select SYS_SUPPORTS_SMP 513 select MIPS_L1_CACHE_SHIFT_7 514 help 515 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 516 workstations. To compile a Linux kernel that runs on these, say Y 517 here. 518 519config SGI_IP28 520 bool "SGI IP28 (Indigo2 R10k)" 521 select FW_ARC 522 select FW_ARC64 523 select BOOT_ELF64 524 select CEVT_R4K 525 select CSRC_R4K 526 select DEFAULT_SGI_PARTITION 527 select DMA_NONCOHERENT 528 select GENERIC_ISA_DMA_SUPPORT_BROKEN 529 select IRQ_CPU 530 select HW_HAS_EISA 531 select I8253 532 select I8259 533 select SGI_HAS_I8042 534 select SGI_HAS_INDYDOG 535 select SGI_HAS_HAL2 536 select SGI_HAS_SEEQ 537 select SGI_HAS_WD93 538 select SGI_HAS_ZILOG 539 select SWAP_IO_SPACE 540 select SYS_HAS_CPU_R10000 541 # 542 # Disable EARLY_PRINTK for now since it leads to overwritten prom 543 # memory during early boot on some machines. 544 # 545 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 546 # for a more details discussion 547 # 548 # select SYS_HAS_EARLY_PRINTK 549 select SYS_SUPPORTS_64BIT_KERNEL 550 select SYS_SUPPORTS_BIG_ENDIAN 551 select MIPS_L1_CACHE_SHIFT_7 552 help 553 This is the SGI Indigo2 with R10000 processor. To compile a Linux 554 kernel that runs on these, say Y here. 555 556config SGI_IP32 557 bool "SGI IP32 (O2)" 558 select FW_ARC 559 select FW_ARC32 560 select BOOT_ELF32 561 select CEVT_R4K 562 select CSRC_R4K 563 select DMA_NONCOHERENT 564 select HW_HAS_PCI 565 select IRQ_CPU 566 select R5000_CPU_SCACHE 567 select RM7000_CPU_SCACHE 568 select SYS_HAS_CPU_R5000 569 select SYS_HAS_CPU_R10000 if BROKEN 570 select SYS_HAS_CPU_RM7000 571 select SYS_HAS_CPU_NEVADA 572 select SYS_SUPPORTS_64BIT_KERNEL 573 select SYS_SUPPORTS_BIG_ENDIAN 574 help 575 If you want this kernel to run on SGI O2 workstation, say Y here. 576 577config SIBYTE_CRHINE 578 bool "Sibyte BCM91120C-CRhine" 579 select BOOT_ELF32 580 select DMA_COHERENT 581 select SIBYTE_BCM1120 582 select SWAP_IO_SPACE 583 select SYS_HAS_CPU_SB1 584 select SYS_SUPPORTS_BIG_ENDIAN 585 select SYS_SUPPORTS_LITTLE_ENDIAN 586 587config SIBYTE_CARMEL 588 bool "Sibyte BCM91120x-Carmel" 589 select BOOT_ELF32 590 select DMA_COHERENT 591 select SIBYTE_BCM1120 592 select SWAP_IO_SPACE 593 select SYS_HAS_CPU_SB1 594 select SYS_SUPPORTS_BIG_ENDIAN 595 select SYS_SUPPORTS_LITTLE_ENDIAN 596 597config SIBYTE_CRHONE 598 bool "Sibyte BCM91125C-CRhone" 599 select BOOT_ELF32 600 select DMA_COHERENT 601 select SIBYTE_BCM1125 602 select SWAP_IO_SPACE 603 select SYS_HAS_CPU_SB1 604 select SYS_SUPPORTS_BIG_ENDIAN 605 select SYS_SUPPORTS_HIGHMEM 606 select SYS_SUPPORTS_LITTLE_ENDIAN 607 608config SIBYTE_RHONE 609 bool "Sibyte BCM91125E-Rhone" 610 select BOOT_ELF32 611 select DMA_COHERENT 612 select SIBYTE_BCM1125H 613 select SWAP_IO_SPACE 614 select SYS_HAS_CPU_SB1 615 select SYS_SUPPORTS_BIG_ENDIAN 616 select SYS_SUPPORTS_LITTLE_ENDIAN 617 618config SIBYTE_SWARM 619 bool "Sibyte BCM91250A-SWARM" 620 select BOOT_ELF32 621 select DMA_COHERENT 622 select HAVE_PATA_PLATFORM 623 select SIBYTE_SB1250 624 select SWAP_IO_SPACE 625 select SYS_HAS_CPU_SB1 626 select SYS_SUPPORTS_BIG_ENDIAN 627 select SYS_SUPPORTS_HIGHMEM 628 select SYS_SUPPORTS_LITTLE_ENDIAN 629 select ZONE_DMA32 if 64BIT 630 631config SIBYTE_LITTLESUR 632 bool "Sibyte BCM91250C2-LittleSur" 633 select BOOT_ELF32 634 select DMA_COHERENT 635 select HAVE_PATA_PLATFORM 636 select SIBYTE_SB1250 637 select SWAP_IO_SPACE 638 select SYS_HAS_CPU_SB1 639 select SYS_SUPPORTS_BIG_ENDIAN 640 select SYS_SUPPORTS_HIGHMEM 641 select SYS_SUPPORTS_LITTLE_ENDIAN 642 643config SIBYTE_SENTOSA 644 bool "Sibyte BCM91250E-Sentosa" 645 select BOOT_ELF32 646 select DMA_COHERENT 647 select SIBYTE_SB1250 648 select SWAP_IO_SPACE 649 select SYS_HAS_CPU_SB1 650 select SYS_SUPPORTS_BIG_ENDIAN 651 select SYS_SUPPORTS_LITTLE_ENDIAN 652 653config SIBYTE_BIGSUR 654 bool "Sibyte BCM91480B-BigSur" 655 select BOOT_ELF32 656 select DMA_COHERENT 657 select NR_CPUS_DEFAULT_4 658 select SIBYTE_BCM1x80 659 select SWAP_IO_SPACE 660 select SYS_HAS_CPU_SB1 661 select SYS_SUPPORTS_BIG_ENDIAN 662 select SYS_SUPPORTS_HIGHMEM 663 select SYS_SUPPORTS_LITTLE_ENDIAN 664 select ZONE_DMA32 if 64BIT 665 666config SNI_RM 667 bool "SNI RM200/300/400" 668 select FW_ARC if CPU_LITTLE_ENDIAN 669 select FW_ARC32 if CPU_LITTLE_ENDIAN 670 select FW_SNIPROM if CPU_BIG_ENDIAN 671 select ARCH_MAY_HAVE_PC_FDC 672 select BOOT_ELF32 673 select CEVT_R4K 674 select CSRC_R4K 675 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 676 select DMA_NONCOHERENT 677 select GENERIC_ISA_DMA 678 select HAVE_PCSPKR_PLATFORM 679 select HW_HAS_EISA 680 select HW_HAS_PCI 681 select IRQ_CPU 682 select I8253 683 select I8259 684 select ISA 685 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 686 select SYS_HAS_CPU_R4X00 687 select SYS_HAS_CPU_R5000 688 select SYS_HAS_CPU_R10000 689 select R5000_CPU_SCACHE 690 select SYS_HAS_EARLY_PRINTK 691 select SYS_SUPPORTS_32BIT_KERNEL 692 select SYS_SUPPORTS_64BIT_KERNEL 693 select SYS_SUPPORTS_BIG_ENDIAN 694 select SYS_SUPPORTS_HIGHMEM 695 select SYS_SUPPORTS_LITTLE_ENDIAN 696 help 697 The SNI RM200/300/400 are MIPS-based machines manufactured by 698 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 699 Technology and now in turn merged with Fujitsu. Say Y here to 700 support this machine type. 701 702config MACH_TX39XX 703 bool "Toshiba TX39 series based machines" 704 705config MACH_TX49XX 706 bool "Toshiba TX49 series based machines" 707 708config MIKROTIK_RB532 709 bool "Mikrotik RB532 boards" 710 select CEVT_R4K 711 select CSRC_R4K 712 select DMA_NONCOHERENT 713 select HW_HAS_PCI 714 select IRQ_CPU 715 select SYS_HAS_CPU_MIPS32_R1 716 select SYS_SUPPORTS_32BIT_KERNEL 717 select SYS_SUPPORTS_LITTLE_ENDIAN 718 select SWAP_IO_SPACE 719 select BOOT_RAW 720 select ARCH_REQUIRE_GPIOLIB 721 select MIPS_L1_CACHE_SHIFT_4 722 help 723 Support the Mikrotik(tm) RouterBoard 532 series, 724 based on the IDT RC32434 SoC. 725 726config CAVIUM_OCTEON_SOC 727 bool "Cavium Networks Octeon SoC based boards" 728 select CEVT_R4K 729 select 64BIT_PHYS_ADDR 730 select DMA_COHERENT 731 select SYS_SUPPORTS_64BIT_KERNEL 732 select SYS_SUPPORTS_BIG_ENDIAN 733 select EDAC_SUPPORT 734 select SYS_SUPPORTS_HOTPLUG_CPU 735 select SYS_HAS_EARLY_PRINTK 736 select SYS_HAS_CPU_CAVIUM_OCTEON 737 select SWAP_IO_SPACE 738 select HW_HAS_PCI 739 select ZONE_DMA32 740 select HOLES_IN_ZONE 741 select ARCH_REQUIRE_GPIOLIB 742 select LIBFDT 743 select USE_OF 744 select ARCH_SPARSEMEM_ENABLE 745 select SYS_SUPPORTS_SMP 746 select NR_CPUS_DEFAULT_16 747 select BUILTIN_DTB 748 help 749 This option supports all of the Octeon reference boards from Cavium 750 Networks. It builds a kernel that dynamically determines the Octeon 751 CPU type and supports all known board reference implementations. 752 Some of the supported boards are: 753 EBT3000 754 EBH3000 755 EBH3100 756 Thunder 757 Kodama 758 Hikari 759 Say Y here for most Octeon reference boards. 760 761config NLM_XLR_BOARD 762 bool "Netlogic XLR/XLS based systems" 763 select BOOT_ELF32 764 select NLM_COMMON 765 select SYS_HAS_CPU_XLR 766 select SYS_SUPPORTS_SMP 767 select HW_HAS_PCI 768 select SWAP_IO_SPACE 769 select SYS_SUPPORTS_32BIT_KERNEL 770 select SYS_SUPPORTS_64BIT_KERNEL 771 select 64BIT_PHYS_ADDR 772 select SYS_SUPPORTS_BIG_ENDIAN 773 select SYS_SUPPORTS_HIGHMEM 774 select DMA_COHERENT 775 select NR_CPUS_DEFAULT_32 776 select CEVT_R4K 777 select CSRC_R4K 778 select IRQ_CPU 779 select ZONE_DMA32 if 64BIT 780 select SYNC_R4K 781 select SYS_HAS_EARLY_PRINTK 782 select SYS_SUPPORTS_ZBOOT 783 select SYS_SUPPORTS_ZBOOT_UART16550 784 help 785 Support for systems based on Netlogic XLR and XLS processors. 786 Say Y here if you have a XLR or XLS based board. 787 788config NLM_XLP_BOARD 789 bool "Netlogic XLP based systems" 790 select BOOT_ELF32 791 select NLM_COMMON 792 select SYS_HAS_CPU_XLP 793 select SYS_SUPPORTS_SMP 794 select HW_HAS_PCI 795 select SYS_SUPPORTS_32BIT_KERNEL 796 select SYS_SUPPORTS_64BIT_KERNEL 797 select 64BIT_PHYS_ADDR 798 select SYS_SUPPORTS_BIG_ENDIAN 799 select SYS_SUPPORTS_LITTLE_ENDIAN 800 select SYS_SUPPORTS_HIGHMEM 801 select DMA_COHERENT 802 select NR_CPUS_DEFAULT_32 803 select CEVT_R4K 804 select CSRC_R4K 805 select IRQ_CPU 806 select ZONE_DMA32 if 64BIT 807 select SYNC_R4K 808 select SYS_HAS_EARLY_PRINTK 809 select USE_OF 810 select SYS_SUPPORTS_ZBOOT 811 select SYS_SUPPORTS_ZBOOT_UART16550 812 help 813 This board is based on Netlogic XLP Processor. 814 Say Y here if you have a XLP based board. 815 816config MIPS_PARAVIRT 817 bool "Para-Virtualized guest system" 818 select CEVT_R4K 819 select CSRC_R4K 820 select DMA_COHERENT 821 select SYS_SUPPORTS_64BIT_KERNEL 822 select SYS_SUPPORTS_32BIT_KERNEL 823 select SYS_SUPPORTS_BIG_ENDIAN 824 select SYS_SUPPORTS_SMP 825 select NR_CPUS_DEFAULT_4 826 select SYS_HAS_EARLY_PRINTK 827 select SYS_HAS_CPU_MIPS32_R2 828 select SYS_HAS_CPU_MIPS64_R2 829 select SYS_HAS_CPU_CAVIUM_OCTEON 830 select HW_HAS_PCI 831 select SWAP_IO_SPACE 832 help 833 This option supports guest running under ???? 834 835endchoice 836 837source "arch/mips/alchemy/Kconfig" 838source "arch/mips/ath79/Kconfig" 839source "arch/mips/bcm47xx/Kconfig" 840source "arch/mips/bcm63xx/Kconfig" 841source "arch/mips/jazz/Kconfig" 842source "arch/mips/jz4740/Kconfig" 843source "arch/mips/lantiq/Kconfig" 844source "arch/mips/lasat/Kconfig" 845source "arch/mips/pmcs-msp71xx/Kconfig" 846source "arch/mips/ralink/Kconfig" 847source "arch/mips/sgi-ip27/Kconfig" 848source "arch/mips/sibyte/Kconfig" 849source "arch/mips/txx9/Kconfig" 850source "arch/mips/vr41xx/Kconfig" 851source "arch/mips/cavium-octeon/Kconfig" 852source "arch/mips/loongson/Kconfig" 853source "arch/mips/loongson1/Kconfig" 854source "arch/mips/netlogic/Kconfig" 855source "arch/mips/paravirt/Kconfig" 856 857endmenu 858 859config RWSEM_GENERIC_SPINLOCK 860 bool 861 default y 862 863config RWSEM_XCHGADD_ALGORITHM 864 bool 865 866config ARCH_HAS_ILOG2_U32 867 bool 868 default n 869 870config ARCH_HAS_ILOG2_U64 871 bool 872 default n 873 874config GENERIC_HWEIGHT 875 bool 876 default y 877 878config GENERIC_CALIBRATE_DELAY 879 bool 880 default y 881 882config SCHED_OMIT_FRAME_POINTER 883 bool 884 default y 885 886# 887# Select some configuration options automatically based on user selections. 888# 889config FW_ARC 890 bool 891 892config ARCH_MAY_HAVE_PC_FDC 893 bool 894 895config BOOT_RAW 896 bool 897 898config CEVT_BCM1480 899 bool 900 901config CEVT_DS1287 902 bool 903 904config CEVT_GT641XX 905 bool 906 907config CEVT_R4K 908 bool 909 910config CEVT_GIC 911 select MIPS_CM 912 bool 913 914config CEVT_SB1250 915 bool 916 917config CEVT_TXX9 918 bool 919 920config CSRC_BCM1480 921 bool 922 923config CSRC_IOASIC 924 bool 925 926config CSRC_R4K 927 bool 928 929config CSRC_GIC 930 select MIPS_CM 931 bool 932 933config CSRC_SB1250 934 bool 935 936config GPIO_TXX9 937 select ARCH_REQUIRE_GPIOLIB 938 bool 939 940config FW_CFE 941 bool 942 943config ARCH_DMA_ADDR_T_64BIT 944 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 945 946config DMA_MAYBE_COHERENT 947 select DMA_NONCOHERENT 948 bool 949 950config DMA_COHERENT 951 bool 952 953config DMA_NONCOHERENT 954 bool 955 select NEED_DMA_MAP_STATE 956 957config NEED_DMA_MAP_STATE 958 bool 959 960config SYS_HAS_EARLY_PRINTK 961 bool 962 963config HOTPLUG_CPU 964 bool "Support for hot-pluggable CPUs" 965 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 966 help 967 Say Y here to allow turning CPUs off and on. CPUs can be 968 controlled through /sys/devices/system/cpu. 969 (Note: power management support will enable this option 970 automatically on SMP systems. ) 971 Say N if you want to disable CPU hotplug. 972 973config SYS_SUPPORTS_HOTPLUG_CPU 974 bool 975 976config I8259 977 bool 978 979config MIPS_BONITO64 980 bool 981 982config MIPS_MSC 983 bool 984 985config MIPS_NILE4 986 bool 987 988config SYNC_R4K 989 bool 990 991config MIPS_MACHINE 992 def_bool n 993 994config NO_IOPORT_MAP 995 def_bool n 996 997config GENERIC_ISA_DMA 998 bool 999 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1000 select ISA_DMA_API 1001 1002config GENERIC_ISA_DMA_SUPPORT_BROKEN 1003 bool 1004 select GENERIC_ISA_DMA 1005 1006config ISA_DMA_API 1007 bool 1008 1009config HOLES_IN_ZONE 1010 bool 1011 1012# 1013# Endianness selection. Sufficiently obscure so many users don't know what to 1014# answer,so we try hard to limit the available choices. Also the use of a 1015# choice statement should be more obvious to the user. 1016# 1017choice 1018 prompt "Endianness selection" 1019 help 1020 Some MIPS machines can be configured for either little or big endian 1021 byte order. These modes require different kernels and a different 1022 Linux distribution. In general there is one preferred byteorder for a 1023 particular system but some systems are just as commonly used in the 1024 one or the other endianness. 1025 1026config CPU_BIG_ENDIAN 1027 bool "Big endian" 1028 depends on SYS_SUPPORTS_BIG_ENDIAN 1029 1030config CPU_LITTLE_ENDIAN 1031 bool "Little endian" 1032 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1033 1034endchoice 1035 1036config EXPORT_UASM 1037 bool 1038 1039config SYS_SUPPORTS_APM_EMULATION 1040 bool 1041 1042config SYS_SUPPORTS_BIG_ENDIAN 1043 bool 1044 1045config SYS_SUPPORTS_LITTLE_ENDIAN 1046 bool 1047 1048config SYS_SUPPORTS_HUGETLBFS 1049 bool 1050 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 1051 default y 1052 1053config MIPS_HUGE_TLB_SUPPORT 1054 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1055 1056config IRQ_CPU 1057 bool 1058 1059config IRQ_CPU_RM7K 1060 bool 1061 1062config IRQ_MSP_SLP 1063 bool 1064 1065config IRQ_MSP_CIC 1066 bool 1067 1068config IRQ_TXX9 1069 bool 1070 1071config IRQ_GT641XX 1072 bool 1073 1074config IRQ_GIC 1075 select MIPS_CM 1076 bool 1077 1078config PCI_GT64XXX_PCI0 1079 bool 1080 1081config NO_EXCEPT_FILL 1082 bool 1083 1084config SOC_EMMA2RH 1085 bool 1086 select CEVT_R4K 1087 select CSRC_R4K 1088 select DMA_NONCOHERENT 1089 select IRQ_CPU 1090 select SWAP_IO_SPACE 1091 select SYS_HAS_CPU_R5500 1092 select SYS_SUPPORTS_32BIT_KERNEL 1093 select SYS_SUPPORTS_64BIT_KERNEL 1094 select SYS_SUPPORTS_BIG_ENDIAN 1095 1096config SOC_PNX833X 1097 bool 1098 select CEVT_R4K 1099 select CSRC_R4K 1100 select IRQ_CPU 1101 select DMA_NONCOHERENT 1102 select SYS_HAS_CPU_MIPS32_R2 1103 select SYS_SUPPORTS_32BIT_KERNEL 1104 select SYS_SUPPORTS_LITTLE_ENDIAN 1105 select SYS_SUPPORTS_BIG_ENDIAN 1106 select SYS_SUPPORTS_MIPS16 1107 select CPU_MIPSR2_IRQ_VI 1108 1109config SOC_PNX8335 1110 bool 1111 select SOC_PNX833X 1112 1113config SWAP_IO_SPACE 1114 bool 1115 1116config SGI_HAS_INDYDOG 1117 bool 1118 1119config SGI_HAS_HAL2 1120 bool 1121 1122config SGI_HAS_SEEQ 1123 bool 1124 1125config SGI_HAS_WD93 1126 bool 1127 1128config SGI_HAS_ZILOG 1129 bool 1130 1131config SGI_HAS_I8042 1132 bool 1133 1134config DEFAULT_SGI_PARTITION 1135 bool 1136 1137config FW_ARC32 1138 bool 1139 1140config FW_SNIPROM 1141 bool 1142 1143config BOOT_ELF32 1144 bool 1145 1146config MIPS_L1_CACHE_SHIFT_4 1147 bool 1148 1149config MIPS_L1_CACHE_SHIFT_5 1150 bool 1151 1152config MIPS_L1_CACHE_SHIFT_6 1153 bool 1154 1155config MIPS_L1_CACHE_SHIFT_7 1156 bool 1157 1158config MIPS_L1_CACHE_SHIFT 1159 int 1160 default "4" if MIPS_L1_CACHE_SHIFT_4 1161 default "5" if MIPS_L1_CACHE_SHIFT_5 1162 default "6" if MIPS_L1_CACHE_SHIFT_6 1163 default "7" if MIPS_L1_CACHE_SHIFT_7 1164 default "5" 1165 1166config HAVE_STD_PC_SERIAL_PORT 1167 bool 1168 1169config ARC_CONSOLE 1170 bool "ARC console support" 1171 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1172 1173config ARC_MEMORY 1174 bool 1175 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1176 default y 1177 1178config ARC_PROMLIB 1179 bool 1180 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1181 default y 1182 1183config FW_ARC64 1184 bool 1185 1186config BOOT_ELF64 1187 bool 1188 1189menu "CPU selection" 1190 1191choice 1192 prompt "CPU type" 1193 default CPU_R4X00 1194 1195config CPU_LOONGSON3 1196 bool "Loongson 3 CPU" 1197 depends on SYS_HAS_CPU_LOONGSON3 1198 select CPU_SUPPORTS_64BIT_KERNEL 1199 select CPU_SUPPORTS_HIGHMEM 1200 select CPU_SUPPORTS_HUGEPAGES 1201 select WEAK_ORDERING 1202 select WEAK_REORDERING_BEYOND_LLSC 1203 help 1204 The Loongson 3 processor implements the MIPS64R2 instruction 1205 set with many extensions. 1206 1207config CPU_LOONGSON2E 1208 bool "Loongson 2E" 1209 depends on SYS_HAS_CPU_LOONGSON2E 1210 select CPU_LOONGSON2 1211 help 1212 The Loongson 2E processor implements the MIPS III instruction set 1213 with many extensions. 1214 1215 It has an internal FPGA northbridge, which is compatible to 1216 bonito64. 1217 1218config CPU_LOONGSON2F 1219 bool "Loongson 2F" 1220 depends on SYS_HAS_CPU_LOONGSON2F 1221 select CPU_LOONGSON2 1222 select ARCH_REQUIRE_GPIOLIB 1223 help 1224 The Loongson 2F processor implements the MIPS III instruction set 1225 with many extensions. 1226 1227 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1228 have a similar programming interface with FPGA northbridge used in 1229 Loongson2E. 1230 1231config CPU_LOONGSON1B 1232 bool "Loongson 1B" 1233 depends on SYS_HAS_CPU_LOONGSON1B 1234 select CPU_LOONGSON1 1235 help 1236 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1237 release 2 instruction set. 1238 1239config CPU_MIPS32_R1 1240 bool "MIPS32 Release 1" 1241 depends on SYS_HAS_CPU_MIPS32_R1 1242 select CPU_HAS_PREFETCH 1243 select CPU_SUPPORTS_32BIT_KERNEL 1244 select CPU_SUPPORTS_HIGHMEM 1245 help 1246 Choose this option to build a kernel for release 1 or later of the 1247 MIPS32 architecture. Most modern embedded systems with a 32-bit 1248 MIPS processor are based on a MIPS32 processor. If you know the 1249 specific type of processor in your system, choose those that one 1250 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1251 Release 2 of the MIPS32 architecture is available since several 1252 years so chances are you even have a MIPS32 Release 2 processor 1253 in which case you should choose CPU_MIPS32_R2 instead for better 1254 performance. 1255 1256config CPU_MIPS32_R2 1257 bool "MIPS32 Release 2" 1258 depends on SYS_HAS_CPU_MIPS32_R2 1259 select CPU_HAS_PREFETCH 1260 select CPU_SUPPORTS_32BIT_KERNEL 1261 select CPU_SUPPORTS_HIGHMEM 1262 select CPU_SUPPORTS_MSA 1263 select HAVE_KVM 1264 help 1265 Choose this option to build a kernel for release 2 or later of the 1266 MIPS32 architecture. Most modern embedded systems with a 32-bit 1267 MIPS processor are based on a MIPS32 processor. If you know the 1268 specific type of processor in your system, choose those that one 1269 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1270 1271config CPU_MIPS64_R1 1272 bool "MIPS64 Release 1" 1273 depends on SYS_HAS_CPU_MIPS64_R1 1274 select CPU_HAS_PREFETCH 1275 select CPU_SUPPORTS_32BIT_KERNEL 1276 select CPU_SUPPORTS_64BIT_KERNEL 1277 select CPU_SUPPORTS_HIGHMEM 1278 select CPU_SUPPORTS_HUGEPAGES 1279 help 1280 Choose this option to build a kernel for release 1 or later of the 1281 MIPS64 architecture. Many modern embedded systems with a 64-bit 1282 MIPS processor are based on a MIPS64 processor. If you know the 1283 specific type of processor in your system, choose those that one 1284 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1285 Release 2 of the MIPS64 architecture is available since several 1286 years so chances are you even have a MIPS64 Release 2 processor 1287 in which case you should choose CPU_MIPS64_R2 instead for better 1288 performance. 1289 1290config CPU_MIPS64_R2 1291 bool "MIPS64 Release 2" 1292 depends on SYS_HAS_CPU_MIPS64_R2 1293 select CPU_HAS_PREFETCH 1294 select CPU_SUPPORTS_32BIT_KERNEL 1295 select CPU_SUPPORTS_64BIT_KERNEL 1296 select CPU_SUPPORTS_HIGHMEM 1297 select CPU_SUPPORTS_HUGEPAGES 1298 select CPU_SUPPORTS_MSA 1299 help 1300 Choose this option to build a kernel for release 2 or later of the 1301 MIPS64 architecture. Many modern embedded systems with a 64-bit 1302 MIPS processor are based on a MIPS64 processor. If you know the 1303 specific type of processor in your system, choose those that one 1304 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1305 1306config CPU_R3000 1307 bool "R3000" 1308 depends on SYS_HAS_CPU_R3000 1309 select CPU_HAS_WB 1310 select CPU_SUPPORTS_32BIT_KERNEL 1311 select CPU_SUPPORTS_HIGHMEM 1312 help 1313 Please make sure to pick the right CPU type. Linux/MIPS is not 1314 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1315 *not* work on R4000 machines and vice versa. However, since most 1316 of the supported machines have an R4000 (or similar) CPU, R4x00 1317 might be a safe bet. If the resulting kernel does not work, 1318 try to recompile with R3000. 1319 1320config CPU_TX39XX 1321 bool "R39XX" 1322 depends on SYS_HAS_CPU_TX39XX 1323 select CPU_SUPPORTS_32BIT_KERNEL 1324 1325config CPU_VR41XX 1326 bool "R41xx" 1327 depends on SYS_HAS_CPU_VR41XX 1328 select CPU_SUPPORTS_32BIT_KERNEL 1329 select CPU_SUPPORTS_64BIT_KERNEL 1330 help 1331 The options selects support for the NEC VR4100 series of processors. 1332 Only choose this option if you have one of these processors as a 1333 kernel built with this option will not run on any other type of 1334 processor or vice versa. 1335 1336config CPU_R4300 1337 bool "R4300" 1338 depends on SYS_HAS_CPU_R4300 1339 select CPU_SUPPORTS_32BIT_KERNEL 1340 select CPU_SUPPORTS_64BIT_KERNEL 1341 help 1342 MIPS Technologies R4300-series processors. 1343 1344config CPU_R4X00 1345 bool "R4x00" 1346 depends on SYS_HAS_CPU_R4X00 1347 select CPU_SUPPORTS_32BIT_KERNEL 1348 select CPU_SUPPORTS_64BIT_KERNEL 1349 select CPU_SUPPORTS_HUGEPAGES 1350 help 1351 MIPS Technologies R4000-series processors other than 4300, including 1352 the R4000, R4400, R4600, and 4700. 1353 1354config CPU_TX49XX 1355 bool "R49XX" 1356 depends on SYS_HAS_CPU_TX49XX 1357 select CPU_HAS_PREFETCH 1358 select CPU_SUPPORTS_32BIT_KERNEL 1359 select CPU_SUPPORTS_64BIT_KERNEL 1360 select CPU_SUPPORTS_HUGEPAGES 1361 1362config CPU_R5000 1363 bool "R5000" 1364 depends on SYS_HAS_CPU_R5000 1365 select CPU_SUPPORTS_32BIT_KERNEL 1366 select CPU_SUPPORTS_64BIT_KERNEL 1367 select CPU_SUPPORTS_HUGEPAGES 1368 help 1369 MIPS Technologies R5000-series processors other than the Nevada. 1370 1371config CPU_R5432 1372 bool "R5432" 1373 depends on SYS_HAS_CPU_R5432 1374 select CPU_SUPPORTS_32BIT_KERNEL 1375 select CPU_SUPPORTS_64BIT_KERNEL 1376 select CPU_SUPPORTS_HUGEPAGES 1377 1378config CPU_R5500 1379 bool "R5500" 1380 depends on SYS_HAS_CPU_R5500 1381 select CPU_SUPPORTS_32BIT_KERNEL 1382 select CPU_SUPPORTS_64BIT_KERNEL 1383 select CPU_SUPPORTS_HUGEPAGES 1384 help 1385 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1386 instruction set. 1387 1388config CPU_R6000 1389 bool "R6000" 1390 depends on SYS_HAS_CPU_R6000 1391 select CPU_SUPPORTS_32BIT_KERNEL 1392 help 1393 MIPS Technologies R6000 and R6000A series processors. Note these 1394 processors are extremely rare and the support for them is incomplete. 1395 1396config CPU_NEVADA 1397 bool "RM52xx" 1398 depends on SYS_HAS_CPU_NEVADA 1399 select CPU_SUPPORTS_32BIT_KERNEL 1400 select CPU_SUPPORTS_64BIT_KERNEL 1401 select CPU_SUPPORTS_HUGEPAGES 1402 help 1403 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1404 1405config CPU_R8000 1406 bool "R8000" 1407 depends on SYS_HAS_CPU_R8000 1408 select CPU_HAS_PREFETCH 1409 select CPU_SUPPORTS_64BIT_KERNEL 1410 help 1411 MIPS Technologies R8000 processors. Note these processors are 1412 uncommon and the support for them is incomplete. 1413 1414config CPU_R10000 1415 bool "R10000" 1416 depends on SYS_HAS_CPU_R10000 1417 select CPU_HAS_PREFETCH 1418 select CPU_SUPPORTS_32BIT_KERNEL 1419 select CPU_SUPPORTS_64BIT_KERNEL 1420 select CPU_SUPPORTS_HIGHMEM 1421 select CPU_SUPPORTS_HUGEPAGES 1422 help 1423 MIPS Technologies R10000-series processors. 1424 1425config CPU_RM7000 1426 bool "RM7000" 1427 depends on SYS_HAS_CPU_RM7000 1428 select CPU_HAS_PREFETCH 1429 select CPU_SUPPORTS_32BIT_KERNEL 1430 select CPU_SUPPORTS_64BIT_KERNEL 1431 select CPU_SUPPORTS_HIGHMEM 1432 select CPU_SUPPORTS_HUGEPAGES 1433 1434config CPU_SB1 1435 bool "SB1" 1436 depends on SYS_HAS_CPU_SB1 1437 select CPU_SUPPORTS_32BIT_KERNEL 1438 select CPU_SUPPORTS_64BIT_KERNEL 1439 select CPU_SUPPORTS_HIGHMEM 1440 select CPU_SUPPORTS_HUGEPAGES 1441 select WEAK_ORDERING 1442 1443config CPU_CAVIUM_OCTEON 1444 bool "Cavium Octeon processor" 1445 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1446 select CPU_HAS_PREFETCH 1447 select CPU_SUPPORTS_64BIT_KERNEL 1448 select WEAK_ORDERING 1449 select CPU_SUPPORTS_HIGHMEM 1450 select CPU_SUPPORTS_HUGEPAGES 1451 select USB_EHCI_BIG_ENDIAN_MMIO 1452 select MIPS_L1_CACHE_SHIFT_7 1453 help 1454 The Cavium Octeon processor is a highly integrated chip containing 1455 many ethernet hardware widgets for networking tasks. The processor 1456 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1457 Full details can be found at http://www.caviumnetworks.com. 1458 1459config CPU_BMIPS 1460 bool "Broadcom BMIPS" 1461 depends on SYS_HAS_CPU_BMIPS 1462 select CPU_MIPS32 1463 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1464 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1465 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1466 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1467 select CPU_SUPPORTS_32BIT_KERNEL 1468 select DMA_NONCOHERENT 1469 select IRQ_CPU 1470 select SWAP_IO_SPACE 1471 select WEAK_ORDERING 1472 select CPU_SUPPORTS_HIGHMEM 1473 select CPU_HAS_PREFETCH 1474 help 1475 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1476 1477config CPU_XLR 1478 bool "Netlogic XLR SoC" 1479 depends on SYS_HAS_CPU_XLR 1480 select CPU_SUPPORTS_32BIT_KERNEL 1481 select CPU_SUPPORTS_64BIT_KERNEL 1482 select CPU_SUPPORTS_HIGHMEM 1483 select CPU_SUPPORTS_HUGEPAGES 1484 select WEAK_ORDERING 1485 select WEAK_REORDERING_BEYOND_LLSC 1486 help 1487 Netlogic Microsystems XLR/XLS processors. 1488 1489config CPU_XLP 1490 bool "Netlogic XLP SoC" 1491 depends on SYS_HAS_CPU_XLP 1492 select CPU_SUPPORTS_32BIT_KERNEL 1493 select CPU_SUPPORTS_64BIT_KERNEL 1494 select CPU_SUPPORTS_HIGHMEM 1495 select WEAK_ORDERING 1496 select WEAK_REORDERING_BEYOND_LLSC 1497 select CPU_HAS_PREFETCH 1498 select CPU_MIPSR2 1499 help 1500 Netlogic Microsystems XLP processors. 1501endchoice 1502 1503config CPU_MIPS32_3_5_FEATURES 1504 bool "MIPS32 Release 3.5 Features" 1505 depends on SYS_HAS_CPU_MIPS32_R3_5 1506 depends on CPU_MIPS32_R2 1507 help 1508 Choose this option to build a kernel for release 2 or later of the 1509 MIPS32 architecture including features from the 3.5 release such as 1510 support for Enhanced Virtual Addressing (EVA). 1511 1512config CPU_MIPS32_3_5_EVA 1513 bool "Enhanced Virtual Addressing (EVA)" 1514 depends on CPU_MIPS32_3_5_FEATURES 1515 select EVA 1516 default y 1517 help 1518 Choose this option if you want to enable the Enhanced Virtual 1519 Addressing (EVA) on your MIPS32 core (such as proAptiv). 1520 One of its primary benefits is an increase in the maximum size 1521 of lowmem (up to 3GB). If unsure, say 'N' here. 1522 1523if CPU_LOONGSON2F 1524config CPU_NOP_WORKAROUNDS 1525 bool 1526 1527config CPU_JUMP_WORKAROUNDS 1528 bool 1529 1530config CPU_LOONGSON2F_WORKAROUNDS 1531 bool "Loongson 2F Workarounds" 1532 default y 1533 select CPU_NOP_WORKAROUNDS 1534 select CPU_JUMP_WORKAROUNDS 1535 help 1536 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1537 require workarounds. Without workarounds the system may hang 1538 unexpectedly. For more information please refer to the gas 1539 -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1540 1541 Loongson 2F03 and later have fixed these issues and no workarounds 1542 are needed. The workarounds have no significant side effect on them 1543 but may decrease the performance of the system so this option should 1544 be disabled unless the kernel is intended to be run on 2F01 or 2F02 1545 systems. 1546 1547 If unsure, please say Y. 1548endif # CPU_LOONGSON2F 1549 1550config SYS_SUPPORTS_ZBOOT 1551 bool 1552 select HAVE_KERNEL_GZIP 1553 select HAVE_KERNEL_BZIP2 1554 select HAVE_KERNEL_LZ4 1555 select HAVE_KERNEL_LZMA 1556 select HAVE_KERNEL_LZO 1557 select HAVE_KERNEL_XZ 1558 1559config SYS_SUPPORTS_ZBOOT_UART16550 1560 bool 1561 select SYS_SUPPORTS_ZBOOT 1562 1563config CPU_LOONGSON2 1564 bool 1565 select CPU_SUPPORTS_32BIT_KERNEL 1566 select CPU_SUPPORTS_64BIT_KERNEL 1567 select CPU_SUPPORTS_HIGHMEM 1568 select CPU_SUPPORTS_HUGEPAGES 1569 1570config CPU_LOONGSON1 1571 bool 1572 select CPU_MIPS32 1573 select CPU_MIPSR2 1574 select CPU_HAS_PREFETCH 1575 select CPU_SUPPORTS_32BIT_KERNEL 1576 select CPU_SUPPORTS_HIGHMEM 1577 1578config CPU_BMIPS32_3300 1579 select SMP_UP if SMP 1580 bool 1581 1582config CPU_BMIPS4350 1583 bool 1584 select SYS_SUPPORTS_SMP 1585 select SYS_SUPPORTS_HOTPLUG_CPU 1586 1587config CPU_BMIPS4380 1588 bool 1589 select SYS_SUPPORTS_SMP 1590 select SYS_SUPPORTS_HOTPLUG_CPU 1591 1592config CPU_BMIPS5000 1593 bool 1594 select MIPS_CPU_SCACHE 1595 select SYS_SUPPORTS_SMP 1596 select SYS_SUPPORTS_HOTPLUG_CPU 1597 1598config SYS_HAS_CPU_LOONGSON3 1599 bool 1600 select CPU_SUPPORTS_CPUFREQ 1601 1602config SYS_HAS_CPU_LOONGSON2E 1603 bool 1604 1605config SYS_HAS_CPU_LOONGSON2F 1606 bool 1607 select CPU_SUPPORTS_CPUFREQ 1608 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1609 select CPU_SUPPORTS_UNCACHED_ACCELERATED 1610 1611config SYS_HAS_CPU_LOONGSON1B 1612 bool 1613 1614config SYS_HAS_CPU_MIPS32_R1 1615 bool 1616 1617config SYS_HAS_CPU_MIPS32_R2 1618 bool 1619 1620config SYS_HAS_CPU_MIPS32_R3_5 1621 bool 1622 1623config SYS_HAS_CPU_MIPS64_R1 1624 bool 1625 1626config SYS_HAS_CPU_MIPS64_R2 1627 bool 1628 1629config SYS_HAS_CPU_R3000 1630 bool 1631 1632config SYS_HAS_CPU_TX39XX 1633 bool 1634 1635config SYS_HAS_CPU_VR41XX 1636 bool 1637 1638config SYS_HAS_CPU_R4300 1639 bool 1640 1641config SYS_HAS_CPU_R4X00 1642 bool 1643 1644config SYS_HAS_CPU_TX49XX 1645 bool 1646 1647config SYS_HAS_CPU_R5000 1648 bool 1649 1650config SYS_HAS_CPU_R5432 1651 bool 1652 1653config SYS_HAS_CPU_R5500 1654 bool 1655 1656config SYS_HAS_CPU_R6000 1657 bool 1658 1659config SYS_HAS_CPU_NEVADA 1660 bool 1661 1662config SYS_HAS_CPU_R8000 1663 bool 1664 1665config SYS_HAS_CPU_R10000 1666 bool 1667 1668config SYS_HAS_CPU_RM7000 1669 bool 1670 1671config SYS_HAS_CPU_SB1 1672 bool 1673 1674config SYS_HAS_CPU_CAVIUM_OCTEON 1675 bool 1676 1677config SYS_HAS_CPU_BMIPS 1678 bool 1679 1680config SYS_HAS_CPU_BMIPS32_3300 1681 bool 1682 select SYS_HAS_CPU_BMIPS 1683 1684config SYS_HAS_CPU_BMIPS4350 1685 bool 1686 select SYS_HAS_CPU_BMIPS 1687 1688config SYS_HAS_CPU_BMIPS4380 1689 bool 1690 select SYS_HAS_CPU_BMIPS 1691 1692config SYS_HAS_CPU_BMIPS5000 1693 bool 1694 select SYS_HAS_CPU_BMIPS 1695 1696config SYS_HAS_CPU_XLR 1697 bool 1698 1699config SYS_HAS_CPU_XLP 1700 bool 1701 1702config MIPS_MALTA_PM 1703 depends on MIPS_MALTA 1704 depends on PCI 1705 bool 1706 default y 1707 1708# 1709# CPU may reorder R->R, R->W, W->R, W->W 1710# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1711# 1712config WEAK_ORDERING 1713 bool 1714 1715# 1716# CPU may reorder reads and writes beyond LL/SC 1717# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1718# 1719config WEAK_REORDERING_BEYOND_LLSC 1720 bool 1721endmenu 1722 1723# 1724# These two indicate any level of the MIPS32 and MIPS64 architecture 1725# 1726config CPU_MIPS32 1727 bool 1728 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 1729 1730config CPU_MIPS64 1731 bool 1732 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 1733 1734# 1735# These two indicate the revision of the architecture, either Release 1 or Release 2 1736# 1737config CPU_MIPSR1 1738 bool 1739 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1740 1741config CPU_MIPSR2 1742 bool 1743 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1744 1745config EVA 1746 bool 1747 1748config SYS_SUPPORTS_32BIT_KERNEL 1749 bool 1750config SYS_SUPPORTS_64BIT_KERNEL 1751 bool 1752config CPU_SUPPORTS_32BIT_KERNEL 1753 bool 1754config CPU_SUPPORTS_64BIT_KERNEL 1755 bool 1756config CPU_SUPPORTS_CPUFREQ 1757 bool 1758config CPU_SUPPORTS_ADDRWINCFG 1759 bool 1760config CPU_SUPPORTS_HUGEPAGES 1761 bool 1762config CPU_SUPPORTS_UNCACHED_ACCELERATED 1763 bool 1764config MIPS_PGD_C0_CONTEXT 1765 bool 1766 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 1767 1768# 1769# Set to y for ptrace access to watch registers. 1770# 1771config HARDWARE_WATCHPOINTS 1772 bool 1773 default y if CPU_MIPSR1 || CPU_MIPSR2 1774 1775menu "Kernel type" 1776 1777choice 1778 prompt "Kernel code model" 1779 help 1780 You should only select this option if you have a workload that 1781 actually benefits from 64-bit processing or if your machine has 1782 large memory. You will only be presented a single option in this 1783 menu if your system does not support both 32-bit and 64-bit kernels. 1784 1785config 32BIT 1786 bool "32-bit kernel" 1787 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1788 select TRAD_SIGNALS 1789 help 1790 Select this option if you want to build a 32-bit kernel. 1791config 64BIT 1792 bool "64-bit kernel" 1793 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1794 help 1795 Select this option if you want to build a 64-bit kernel. 1796 1797endchoice 1798 1799config KVM_GUEST 1800 bool "KVM Guest Kernel" 1801 depends on BROKEN_ON_SMP 1802 help 1803 Select this option if building a guest kernel for KVM (Trap & Emulate) mode 1804 1805config KVM_GUEST_TIMER_FREQ 1806 int "Count/Compare Timer Frequency (MHz)" 1807 depends on KVM_GUEST 1808 default 100 1809 help 1810 Set this to non-zero if building a guest kernel for KVM to skip RTC 1811 emulation when determining guest CPU Frequency. Instead, the guest's 1812 timer frequency is specified directly. 1813 1814choice 1815 prompt "Kernel page size" 1816 default PAGE_SIZE_4KB 1817 1818config PAGE_SIZE_4KB 1819 bool "4kB" 1820 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 1821 help 1822 This option select the standard 4kB Linux page size. On some 1823 R3000-family processors this is the only available page size. Using 1824 4kB page size will minimize memory consumption and is therefore 1825 recommended for low memory systems. 1826 1827config PAGE_SIZE_8KB 1828 bool "8kB" 1829 depends on CPU_R8000 || CPU_CAVIUM_OCTEON 1830 help 1831 Using 8kB page size will result in higher performance kernel at 1832 the price of higher memory consumption. This option is available 1833 only on R8000 and cnMIPS processors. Note that you will need a 1834 suitable Linux distribution to support this. 1835 1836config PAGE_SIZE_16KB 1837 bool "16kB" 1838 depends on !CPU_R3000 && !CPU_TX39XX 1839 help 1840 Using 16kB page size will result in higher performance kernel at 1841 the price of higher memory consumption. This option is available on 1842 all non-R3000 family processors. Note that you will need a suitable 1843 Linux distribution to support this. 1844 1845config PAGE_SIZE_32KB 1846 bool "32kB" 1847 depends on CPU_CAVIUM_OCTEON 1848 help 1849 Using 32kB page size will result in higher performance kernel at 1850 the price of higher memory consumption. This option is available 1851 only on cnMIPS cores. Note that you will need a suitable Linux 1852 distribution to support this. 1853 1854config PAGE_SIZE_64KB 1855 bool "64kB" 1856 depends on !CPU_R3000 && !CPU_TX39XX 1857 help 1858 Using 64kB page size will result in higher performance kernel at 1859 the price of higher memory consumption. This option is available on 1860 all non-R3000 family processor. Not that at the time of this 1861 writing this option is still high experimental. 1862 1863endchoice 1864 1865config FORCE_MAX_ZONEORDER 1866 int "Maximum zone order" 1867 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1868 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1869 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1870 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1871 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1872 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1873 range 11 64 1874 default "11" 1875 help 1876 The kernel memory allocator divides physically contiguous memory 1877 blocks into "zones", where each zone is a power of two number of 1878 pages. This option selects the largest power of two that the kernel 1879 keeps in the memory allocator. If you need to allocate very large 1880 blocks of physically contiguous memory, then you may need to 1881 increase this value. 1882 1883 This config option is actually maximum order plus one. For example, 1884 a value of 11 means that the largest free memory block is 2^10 pages. 1885 1886 The page size is not necessarily 4KB. Keep this in mind 1887 when choosing a value for this option. 1888 1889config CEVT_GIC 1890 bool "Use GIC global counter for clock events" 1891 depends on IRQ_GIC && !MIPS_SEAD3 1892 help 1893 Use the GIC global counter for the clock events. The R4K clock 1894 event driver is always present, so if the platform ends up not 1895 detecting a GIC, it will fall back to the R4K timer for the 1896 generation of clock events. 1897 1898config BOARD_SCACHE 1899 bool 1900 1901config IP22_CPU_SCACHE 1902 bool 1903 select BOARD_SCACHE 1904 1905# 1906# Support for a MIPS32 / MIPS64 style S-caches 1907# 1908config MIPS_CPU_SCACHE 1909 bool 1910 select BOARD_SCACHE 1911 select MIPS_L1_CACHE_SHIFT_6 1912 1913config R5000_CPU_SCACHE 1914 bool 1915 select BOARD_SCACHE 1916 1917config RM7000_CPU_SCACHE 1918 bool 1919 select BOARD_SCACHE 1920 1921config SIBYTE_DMA_PAGEOPS 1922 bool "Use DMA to clear/copy pages" 1923 depends on CPU_SB1 1924 help 1925 Instead of using the CPU to zero and copy pages, use a Data Mover 1926 channel. These DMA channels are otherwise unused by the standard 1927 SiByte Linux port. Seems to give a small performance benefit. 1928 1929config CPU_HAS_PREFETCH 1930 bool 1931 1932config CPU_GENERIC_DUMP_TLB 1933 bool 1934 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 1935 1936config CPU_R4K_FPU 1937 bool 1938 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 1939 1940config CPU_R4K_CACHE_TLB 1941 bool 1942 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 1943 1944config MIPS_MT_SMP 1945 bool "MIPS MT SMP support (1 TC on each available VPE)" 1946 depends on SYS_SUPPORTS_MULTITHREADING 1947 select CPU_MIPSR2_IRQ_VI 1948 select CPU_MIPSR2_IRQ_EI 1949 select SYNC_R4K 1950 select MIPS_GIC_IPI 1951 select MIPS_MT 1952 select SMP 1953 select SMP_UP 1954 select SYS_SUPPORTS_SMP 1955 select SYS_SUPPORTS_SCHED_SMT 1956 select MIPS_PERF_SHARED_TC_COUNTERS 1957 help 1958 This is a kernel model which is known as SMVP. This is supported 1959 on cores with the MT ASE and uses the available VPEs to implement 1960 virtual processors which supports SMP. This is equivalent to the 1961 Intel Hyperthreading feature. For further information go to 1962 <http://www.imgtec.com/mips/mips-multithreading.asp>. 1963 1964config MIPS_MT 1965 bool 1966 1967config SCHED_SMT 1968 bool "SMT (multithreading) scheduler support" 1969 depends on SYS_SUPPORTS_SCHED_SMT 1970 default n 1971 help 1972 SMT scheduler support improves the CPU scheduler's decision making 1973 when dealing with MIPS MT enabled cores at a cost of slightly 1974 increased overhead in some places. If unsure say N here. 1975 1976config SYS_SUPPORTS_SCHED_SMT 1977 bool 1978 1979config SYS_SUPPORTS_MULTITHREADING 1980 bool 1981 1982config MIPS_MT_FPAFF 1983 bool "Dynamic FPU affinity for FP-intensive threads" 1984 default y 1985 depends on MIPS_MT_SMP 1986 1987config MIPS_VPE_LOADER 1988 bool "VPE loader support." 1989 depends on SYS_SUPPORTS_MULTITHREADING && MODULES 1990 select CPU_MIPSR2_IRQ_VI 1991 select CPU_MIPSR2_IRQ_EI 1992 select MIPS_MT 1993 help 1994 Includes a loader for loading an elf relocatable object 1995 onto another VPE and running it. 1996 1997config MIPS_VPE_LOADER_CMP 1998 bool 1999 default "y" 2000 depends on MIPS_VPE_LOADER && MIPS_CMP 2001 2002config MIPS_VPE_LOADER_MT 2003 bool 2004 default "y" 2005 depends on MIPS_VPE_LOADER && !MIPS_CMP 2006 2007config MIPS_VPE_LOADER_TOM 2008 bool "Load VPE program into memory hidden from linux" 2009 depends on MIPS_VPE_LOADER 2010 default y 2011 help 2012 The loader can use memory that is present but has been hidden from 2013 Linux using the kernel command line option "mem=xxMB". It's up to 2014 you to ensure the amount you put in the option and the space your 2015 program requires is less or equal to the amount physically present. 2016 2017config MIPS_VPE_APSP_API 2018 bool "Enable support for AP/SP API (RTLX)" 2019 depends on MIPS_VPE_LOADER 2020 help 2021 2022config MIPS_VPE_APSP_API_CMP 2023 bool 2024 default "y" 2025 depends on MIPS_VPE_APSP_API && MIPS_CMP 2026 2027config MIPS_VPE_APSP_API_MT 2028 bool 2029 default "y" 2030 depends on MIPS_VPE_APSP_API && !MIPS_CMP 2031 2032config MIPS_CMP 2033 bool "MIPS CMP framework support (DEPRECATED)" 2034 depends on SYS_SUPPORTS_MIPS_CMP 2035 select MIPS_GIC_IPI 2036 select SMP 2037 select SYNC_R4K 2038 select SYS_SUPPORTS_SMP 2039 select WEAK_ORDERING 2040 default n 2041 help 2042 Select this if you are using a bootloader which implements the "CMP 2043 framework" protocol (ie. YAMON) and want your kernel to make use of 2044 its ability to start secondary CPUs. 2045 2046 Unless you have a specific need, you should use CONFIG_MIPS_CPS 2047 instead of this. 2048 2049config MIPS_CPS 2050 bool "MIPS Coherent Processing System support" 2051 depends on SYS_SUPPORTS_MIPS_CPS 2052 select MIPS_CM 2053 select MIPS_CPC 2054 select MIPS_CPS_PM if HOTPLUG_CPU 2055 select MIPS_GIC_IPI 2056 select SMP 2057 select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 2058 select SYS_SUPPORTS_HOTPLUG_CPU 2059 select SYS_SUPPORTS_SMP 2060 select WEAK_ORDERING 2061 help 2062 Select this if you wish to run an SMP kernel across multiple cores 2063 within a MIPS Coherent Processing System. When this option is 2064 enabled the kernel will probe for other cores and boot them with 2065 no external assistance. It is safe to enable this when hardware 2066 support is unavailable. 2067 2068config MIPS_CPS_PM 2069 select MIPS_CPC 2070 bool 2071 2072config MIPS_GIC_IPI 2073 bool 2074 2075config MIPS_CM 2076 bool 2077 2078config MIPS_CPC 2079 bool 2080 2081config SB1_PASS_1_WORKAROUNDS 2082 bool 2083 depends on CPU_SB1_PASS_1 2084 default y 2085 2086config SB1_PASS_2_WORKAROUNDS 2087 bool 2088 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 2089 default y 2090 2091config SB1_PASS_2_1_WORKAROUNDS 2092 bool 2093 depends on CPU_SB1 && CPU_SB1_PASS_2 2094 default y 2095 2096 2097config 64BIT_PHYS_ADDR 2098 bool 2099 2100config ARCH_PHYS_ADDR_T_64BIT 2101 def_bool 64BIT_PHYS_ADDR 2102 2103config CPU_HAS_SMARTMIPS 2104 depends on SYS_SUPPORTS_SMARTMIPS 2105 bool "Support for the SmartMIPS ASE" 2106 help 2107 SmartMIPS is a extension of the MIPS32 architecture aimed at 2108 increased security at both hardware and software level for 2109 smartcards. Enabling this option will allow proper use of the 2110 SmartMIPS instructions by Linux applications. However a kernel with 2111 this option will not work on a MIPS core without SmartMIPS core. If 2112 you don't know you probably don't have SmartMIPS and should say N 2113 here. 2114 2115config CPU_MICROMIPS 2116 depends on SYS_SUPPORTS_MICROMIPS 2117 bool "Build kernel using microMIPS ISA" 2118 help 2119 When this option is enabled the kernel will be built using the 2120 microMIPS ISA 2121 2122config CPU_HAS_MSA 2123 bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2124 depends on CPU_SUPPORTS_MSA 2125 depends on 64BIT || MIPS_O32_FP64_SUPPORT 2126 help 2127 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2128 and a set of SIMD instructions to operate on them. When this option 2129 is enabled the kernel will support allocating & switching MSA 2130 vector register contexts. If you know that your kernel will only be 2131 running on CPUs which do not support MSA or that your userland will 2132 not be making use of it then you may wish to say N here to reduce 2133 the size & complexity of your kernel. 2134 2135 If unsure, say Y. 2136 2137config CPU_HAS_WB 2138 bool 2139 2140config XKS01 2141 bool 2142 2143# 2144# Vectored interrupt mode is an R2 feature 2145# 2146config CPU_MIPSR2_IRQ_VI 2147 bool 2148 2149# 2150# Extended interrupt mode is an R2 feature 2151# 2152config CPU_MIPSR2_IRQ_EI 2153 bool 2154 2155config CPU_HAS_SYNC 2156 bool 2157 depends on !CPU_R3000 2158 default y 2159 2160# 2161# CPU non-features 2162# 2163config CPU_DADDI_WORKAROUNDS 2164 bool 2165 2166config CPU_R4000_WORKAROUNDS 2167 bool 2168 select CPU_R4400_WORKAROUNDS 2169 2170config CPU_R4400_WORKAROUNDS 2171 bool 2172 2173# 2174# - Highmem only makes sense for the 32-bit kernel. 2175# - The current highmem code will only work properly on physically indexed 2176# caches such as R3000, SB1, R7000 or those that look like they're virtually 2177# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 2178# moment we protect the user and offer the highmem option only on machines 2179# where it's known to be safe. This will not offer highmem on a few systems 2180# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 2181# indexed CPUs but we're playing safe. 2182# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2183# know they might have memory configurations that could make use of highmem 2184# support. 2185# 2186config HIGHMEM 2187 bool "High Memory Support" 2188 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2189 2190config CPU_SUPPORTS_HIGHMEM 2191 bool 2192 2193config SYS_SUPPORTS_HIGHMEM 2194 bool 2195 2196config SYS_SUPPORTS_SMARTMIPS 2197 bool 2198 2199config SYS_SUPPORTS_MICROMIPS 2200 bool 2201 2202config SYS_SUPPORTS_MIPS16 2203 bool 2204 help 2205 This option must be set if a kernel might be executed on a MIPS16- 2206 enabled CPU even if MIPS16 is not actually being used. In other 2207 words, it makes the kernel MIPS16-tolerant. 2208 2209config CPU_SUPPORTS_MSA 2210 bool 2211 2212config ARCH_FLATMEM_ENABLE 2213 def_bool y 2214 depends on !NUMA && !CPU_LOONGSON2 2215 2216config ARCH_DISCONTIGMEM_ENABLE 2217 bool 2218 default y if SGI_IP27 2219 help 2220 Say Y to support efficient handling of discontiguous physical memory, 2221 for architectures which are either NUMA (Non-Uniform Memory Access) 2222 or have huge holes in the physical address space for other reasons. 2223 See <file:Documentation/vm/numa> for more. 2224 2225config ARCH_SPARSEMEM_ENABLE 2226 bool 2227 select SPARSEMEM_STATIC 2228 2229config NUMA 2230 bool "NUMA Support" 2231 depends on SYS_SUPPORTS_NUMA 2232 help 2233 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2234 Access). This option improves performance on systems with more 2235 than two nodes; on two node systems it is generally better to 2236 leave it disabled; on single node systems disable this option 2237 disabled. 2238 2239config SYS_SUPPORTS_NUMA 2240 bool 2241 2242config NODES_SHIFT 2243 int 2244 default "6" 2245 depends on NEED_MULTIPLE_NODES 2246 2247config HW_PERF_EVENTS 2248 bool "Enable hardware performance counter support for perf events" 2249 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 2250 default y 2251 help 2252 Enable hardware performance counter support for perf events. If 2253 disabled, perf events will use software events only. 2254 2255source "mm/Kconfig" 2256 2257config SMP 2258 bool "Multi-Processing support" 2259 depends on SYS_SUPPORTS_SMP 2260 help 2261 This enables support for systems with more than one CPU. If you have 2262 a system with only one CPU, say N. If you have a system with more 2263 than one CPU, say Y. 2264 2265 If you say N here, the kernel will run on uni- and multiprocessor 2266 machines, but will use only one CPU of a multiprocessor machine. If 2267 you say Y here, the kernel will run on many, but not all, 2268 uniprocessor machines. On a uniprocessor machine, the kernel 2269 will run faster if you say N here. 2270 2271 People using multiprocessor machines who say Y here should also say 2272 Y to "Enhanced Real Time Clock Support", below. 2273 2274 See also the SMP-HOWTO available at 2275 <http://www.tldp.org/docs.html#howto>. 2276 2277 If you don't know what to do here, say N. 2278 2279config SMP_UP 2280 bool 2281 2282config SYS_SUPPORTS_MIPS_CMP 2283 bool 2284 2285config SYS_SUPPORTS_MIPS_CPS 2286 bool 2287 2288config SYS_SUPPORTS_SMP 2289 bool 2290 2291config NR_CPUS_DEFAULT_4 2292 bool 2293 2294config NR_CPUS_DEFAULT_8 2295 bool 2296 2297config NR_CPUS_DEFAULT_16 2298 bool 2299 2300config NR_CPUS_DEFAULT_32 2301 bool 2302 2303config NR_CPUS_DEFAULT_64 2304 bool 2305 2306config NR_CPUS 2307 int "Maximum number of CPUs (2-256)" 2308 range 2 256 2309 depends on SMP 2310 default "4" if NR_CPUS_DEFAULT_4 2311 default "8" if NR_CPUS_DEFAULT_8 2312 default "16" if NR_CPUS_DEFAULT_16 2313 default "32" if NR_CPUS_DEFAULT_32 2314 default "64" if NR_CPUS_DEFAULT_64 2315 help 2316 This allows you to specify the maximum number of CPUs which this 2317 kernel will support. The maximum supported value is 32 for 32-bit 2318 kernel and 64 for 64-bit kernels; the minimum value which makes 2319 sense is 1 for Qemu (useful only for kernel debugging purposes) 2320 and 2 for all others. 2321 2322 This is purely to save memory - each supported CPU adds 2323 approximately eight kilobytes to the kernel image. For best 2324 performance should round up your number of processors to the next 2325 power of two. 2326 2327config MIPS_PERF_SHARED_TC_COUNTERS 2328 bool 2329 2330# 2331# Timer Interrupt Frequency Configuration 2332# 2333 2334choice 2335 prompt "Timer frequency" 2336 default HZ_250 2337 help 2338 Allows the configuration of the timer frequency. 2339 2340 config HZ_48 2341 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 2342 2343 config HZ_100 2344 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 2345 2346 config HZ_128 2347 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 2348 2349 config HZ_250 2350 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 2351 2352 config HZ_256 2353 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 2354 2355 config HZ_1000 2356 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 2357 2358 config HZ_1024 2359 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 2360 2361endchoice 2362 2363config SYS_SUPPORTS_48HZ 2364 bool 2365 2366config SYS_SUPPORTS_100HZ 2367 bool 2368 2369config SYS_SUPPORTS_128HZ 2370 bool 2371 2372config SYS_SUPPORTS_250HZ 2373 bool 2374 2375config SYS_SUPPORTS_256HZ 2376 bool 2377 2378config SYS_SUPPORTS_1000HZ 2379 bool 2380 2381config SYS_SUPPORTS_1024HZ 2382 bool 2383 2384config SYS_SUPPORTS_ARBIT_HZ 2385 bool 2386 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 2387 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 2388 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 2389 !SYS_SUPPORTS_1024HZ 2390 2391config HZ 2392 int 2393 default 48 if HZ_48 2394 default 100 if HZ_100 2395 default 128 if HZ_128 2396 default 250 if HZ_250 2397 default 256 if HZ_256 2398 default 1000 if HZ_1000 2399 default 1024 if HZ_1024 2400 2401source "kernel/Kconfig.preempt" 2402 2403config KEXEC 2404 bool "Kexec system call" 2405 help 2406 kexec is a system call that implements the ability to shutdown your 2407 current kernel, and to start another kernel. It is like a reboot 2408 but it is independent of the system firmware. And like a reboot 2409 you can start any kernel with it, not just Linux. 2410 2411 The name comes from the similarity to the exec system call. 2412 2413 It is an ongoing process to be certain the hardware in a machine 2414 is properly shutdown, so do not be surprised if this code does not 2415 initially work for you. As of this writing the exact hardware 2416 interface is strongly in flux, so no good recommendation can be 2417 made. 2418 2419config CRASH_DUMP 2420 bool "Kernel crash dumps" 2421 help 2422 Generate crash dump after being started by kexec. 2423 This should be normally only set in special crash dump kernels 2424 which are loaded in the main kernel with kexec-tools into 2425 a specially reserved region and then later executed after 2426 a crash by kdump/kexec. The crash dump kernel must be compiled 2427 to a memory address not used by the main kernel or firmware using 2428 PHYSICAL_START. 2429 2430config PHYSICAL_START 2431 hex "Physical address where the kernel is loaded" 2432 default "0xffffffff84000000" if 64BIT 2433 default "0x84000000" if 32BIT 2434 depends on CRASH_DUMP 2435 help 2436 This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 2437 If you plan to use kernel for capturing the crash dump change 2438 this value to start of the reserved region (the "X" value as 2439 specified in the "crashkernel=YM@XM" command line boot parameter 2440 passed to the panic-ed kernel). 2441 2442config SECCOMP 2443 bool "Enable seccomp to safely compute untrusted bytecode" 2444 depends on PROC_FS 2445 default y 2446 help 2447 This kernel feature is useful for number crunching applications 2448 that may need to compute untrusted bytecode during their 2449 execution. By using pipes or other transports made available to 2450 the process as file descriptors supporting the read/write 2451 syscalls, it's possible to isolate those applications in 2452 their own address space using seccomp. Once seccomp is 2453 enabled via /proc/<pid>/seccomp, it cannot be disabled 2454 and the task is only allowed to execute a few safe syscalls 2455 defined by each seccomp mode. 2456 2457 If unsure, say Y. Only embedded should say N here. 2458 2459config MIPS_O32_FP64_SUPPORT 2460 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2461 depends on 32BIT || MIPS32_O32 2462 help 2463 When this is enabled, the kernel will support use of 64-bit floating 2464 point registers with binaries using the O32 ABI along with the 2465 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2466 32-bit MIPS systems this support is at the cost of increasing the 2467 size and complexity of the compiled FPU emulator. Thus if you are 2468 running a MIPS32 system and know that none of your userland binaries 2469 will require 64-bit floating point, you may wish to reduce the size 2470 of your kernel & potentially improve FP emulation performance by 2471 saying N here. 2472 2473 Although binutils currently supports use of this flag the details 2474 concerning its effect upon the O32 ABI in userland are still being 2475 worked on. In order to avoid userland becoming dependant upon current 2476 behaviour before the details have been finalised, this option should 2477 be considered experimental and only enabled by those working upon 2478 said details. 2479 2480 If unsure, say N. 2481 2482config USE_OF 2483 bool 2484 select OF 2485 select OF_EARLY_FLATTREE 2486 select IRQ_DOMAIN 2487 2488config BUILTIN_DTB 2489 bool 2490 2491endmenu 2492 2493config LOCKDEP_SUPPORT 2494 bool 2495 default y 2496 2497config STACKTRACE_SUPPORT 2498 bool 2499 default y 2500 2501source "init/Kconfig" 2502 2503source "kernel/Kconfig.freezer" 2504 2505menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2506 2507config HW_HAS_EISA 2508 bool 2509config HW_HAS_PCI 2510 bool 2511 2512config PCI 2513 bool "Support for PCI controller" 2514 depends on HW_HAS_PCI 2515 select PCI_DOMAINS 2516 select NO_GENERIC_PCI_IOPORT_MAP 2517 help 2518 Find out whether you have a PCI motherboard. PCI is the name of a 2519 bus system, i.e. the way the CPU talks to the other stuff inside 2520 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2521 say Y, otherwise N. 2522 2523config HT_PCI 2524 bool "Support for HT-linked PCI" 2525 default y 2526 depends on CPU_LOONGSON3 2527 select PCI 2528 select PCI_DOMAINS 2529 help 2530 Loongson family machines use Hyper-Transport bus for inter-core 2531 connection and device connection. The PCI bus is a subordinate 2532 linked at HT. Choose Y for Loongson-3 based machines. 2533 2534config PCI_DOMAINS 2535 bool 2536 2537source "drivers/pci/Kconfig" 2538 2539source "drivers/pci/pcie/Kconfig" 2540 2541# 2542# ISA support is now enabled via select. Too many systems still have the one 2543# or other ISA chip on the board that users don't know about so don't expect 2544# users to choose the right thing ... 2545# 2546config ISA 2547 bool 2548 2549config EISA 2550 bool "EISA support" 2551 depends on HW_HAS_EISA 2552 select ISA 2553 select GENERIC_ISA_DMA 2554 ---help--- 2555 The Extended Industry Standard Architecture (EISA) bus was 2556 developed as an open alternative to the IBM MicroChannel bus. 2557 2558 The EISA bus provided some of the features of the IBM MicroChannel 2559 bus while maintaining backward compatibility with cards made for 2560 the older ISA bus. The EISA bus saw limited use between 1988 and 2561 1995 when it was made obsolete by the PCI bus. 2562 2563 Say Y here if you are building a kernel for an EISA-based machine. 2564 2565 Otherwise, say N. 2566 2567source "drivers/eisa/Kconfig" 2568 2569config TC 2570 bool "TURBOchannel support" 2571 depends on MACH_DECSTATION 2572 help 2573 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2574 processors. TURBOchannel programming specifications are available 2575 at: 2576 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 2577 and: 2578 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 2579 Linux driver support status is documented at: 2580 <http://www.linux-mips.org/wiki/DECstation> 2581 2582config MMU 2583 bool 2584 default y 2585 2586config I8253 2587 bool 2588 select CLKSRC_I8253 2589 select CLKEVT_I8253 2590 select MIPS_EXTERNAL_TIMER 2591 2592config ZONE_DMA 2593 bool 2594 2595config ZONE_DMA32 2596 bool 2597 2598source "drivers/pcmcia/Kconfig" 2599 2600source "drivers/pci/hotplug/Kconfig" 2601 2602config RAPIDIO 2603 tristate "RapidIO support" 2604 depends on PCI 2605 default n 2606 help 2607 If you say Y here, the kernel will include drivers and 2608 infrastructure code to support RapidIO interconnect devices. 2609 2610source "drivers/rapidio/Kconfig" 2611 2612endmenu 2613 2614menu "Executable file formats" 2615 2616source "fs/Kconfig.binfmt" 2617 2618config TRAD_SIGNALS 2619 bool 2620 2621config MIPS32_COMPAT 2622 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2623 depends on 64BIT 2624 help 2625 Select this option if you want Linux/MIPS 32-bit binary 2626 compatibility. Since all software available for Linux/MIPS is 2627 currently 32-bit you should say Y here. 2628 2629config COMPAT 2630 bool 2631 depends on MIPS32_COMPAT 2632 select ARCH_WANT_OLD_COMPAT_IPC 2633 default y 2634 2635config SYSVIPC_COMPAT 2636 bool 2637 depends on COMPAT && SYSVIPC 2638 default y 2639 2640config MIPS32_O32 2641 bool "Kernel support for o32 binaries" 2642 depends on MIPS32_COMPAT 2643 help 2644 Select this option if you want to run o32 binaries. These are pure 2645 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2646 existing binaries are in this format. 2647 2648 If unsure, say Y. 2649 2650config MIPS32_N32 2651 bool "Kernel support for n32 binaries" 2652 depends on MIPS32_COMPAT 2653 help 2654 Select this option if you want to run n32 binaries. These are 2655 64-bit binaries using 32-bit quantities for addressing and certain 2656 data that would normally be 64-bit. They are used in special 2657 cases. 2658 2659 If unsure, say N. 2660 2661config BINFMT_ELF32 2662 bool 2663 default y if MIPS32_O32 || MIPS32_N32 2664 2665endmenu 2666 2667menu "Power management options" 2668 2669config ARCH_HIBERNATION_POSSIBLE 2670 def_bool y 2671 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2672 2673config ARCH_SUSPEND_POSSIBLE 2674 def_bool y 2675 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2676 2677source "kernel/power/Kconfig" 2678 2679endmenu 2680 2681config MIPS_EXTERNAL_TIMER 2682 bool 2683 2684menu "CPU Power Management" 2685 2686if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 2687source "drivers/cpufreq/Kconfig" 2688endif 2689 2690source "drivers/cpuidle/Kconfig" 2691 2692endmenu 2693 2694source "net/Kconfig" 2695 2696source "drivers/Kconfig" 2697 2698source "drivers/firmware/Kconfig" 2699 2700source "fs/Kconfig" 2701 2702source "arch/mips/Kconfig.debug" 2703 2704source "security/Kconfig" 2705 2706source "crypto/Kconfig" 2707 2708source "lib/Kconfig" 2709 2710source "arch/mips/kvm/Kconfig" 2711