1config MIPS 2 bool 3 default y 4 select HAVE_CONTEXT_TRACKING 5 select HAVE_GENERIC_DMA_COHERENT 6 select HAVE_IDE 7 select HAVE_OPROFILE 8 select HAVE_PERF_EVENTS 9 select PERF_USE_VMALLOC 10 select HAVE_ARCH_KGDB 11 select HAVE_ARCH_MMAP_RND_BITS if MMU 12 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 13 select HAVE_ARCH_SECCOMP_FILTER 14 select HAVE_ARCH_TRACEHOOK 15 select ARCH_HAVE_CUSTOM_GPIO_H 16 select HAVE_FUNCTION_TRACER 17 select HAVE_FUNCTION_TRACE_MCOUNT_TEST 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_API_DEBUG 33 select HAVE_GENERIC_HARDIRQS 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 ARCH_BINFMT_ELF_STATE 53 select HAVE_CMPXCHG_LOCAL 54 55menu "Machine selection" 56 57config ZONE_DMA 58 bool 59 60choice 61 prompt "System type" 62 default SGI_IP22 63 64config MIPS_ALCHEMY 65 bool "Alchemy processor based machines" 66 select 64BIT_PHYS_ADDR 67 select CEVT_R4K 68 select CSRC_R4K 69 select IRQ_CPU 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 USB_ARCH_HAS_OHCI 76 select USB_ARCH_HAS_EHCI 77 78config AR7 79 bool "Texas Instruments AR7" 80 select BOOT_ELF32 81 select DMA_NONCOHERENT 82 select CEVT_R4K 83 select CSRC_R4K 84 select IRQ_CPU 85 select NO_EXCEPT_FILL 86 select SWAP_IO_SPACE 87 select SYS_HAS_CPU_MIPS32_R1 88 select SYS_HAS_EARLY_PRINTK 89 select SYS_SUPPORTS_32BIT_KERNEL 90 select SYS_SUPPORTS_LITTLE_ENDIAN 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 IRQ_CPU 108 select MIPS_MACHINE 109 select SYS_HAS_CPU_MIPS32_R2 110 select SYS_HAS_EARLY_PRINTK 111 select SYS_SUPPORTS_32BIT_KERNEL 112 select SYS_SUPPORTS_BIG_ENDIAN 113 help 114 Support for the Atheros AR71XX/AR724X/AR913X SoCs. 115 116config BCM47XX 117 bool "Broadcom BCM47XX based boards" 118 select ARCH_WANT_OPTIONAL_GPIOLIB 119 select BOOT_RAW 120 select CEVT_R4K 121 select CSRC_R4K 122 select DMA_NONCOHERENT 123 select FW_CFE 124 select HW_HAS_PCI 125 select IRQ_CPU 126 select NO_EXCEPT_FILL 127 select SYS_SUPPORTS_32BIT_KERNEL 128 select SYS_SUPPORTS_LITTLE_ENDIAN 129 select SYS_HAS_EARLY_PRINTK 130 help 131 Support for BCM47XX based boards 132 133config BCM63XX 134 bool "Broadcom BCM63XX based boards" 135 select CEVT_R4K 136 select CSRC_R4K 137 select DMA_NONCOHERENT 138 select IRQ_CPU 139 select SYS_HAS_CPU_MIPS32_R1 140 select SYS_SUPPORTS_32BIT_KERNEL 141 select SYS_SUPPORTS_BIG_ENDIAN 142 select SYS_HAS_EARLY_PRINTK 143 select SWAP_IO_SPACE 144 select ARCH_REQUIRE_GPIOLIB 145 select HAVE_CLK 146 help 147 Support for BCM63XX based boards 148 149config MIPS_COBALT 150 bool "Cobalt Server" 151 select CEVT_R4K 152 select CSRC_R4K 153 select CEVT_GT641XX 154 select DMA_NONCOHERENT 155 select HW_HAS_PCI 156 select I8253 157 select I8259 158 select IRQ_CPU 159 select IRQ_GT641XX 160 select PCI_GT64XXX_PCI0 161 select PCI 162 select SYS_HAS_CPU_NEVADA 163 select SYS_HAS_EARLY_PRINTK 164 select SYS_SUPPORTS_32BIT_KERNEL 165 select SYS_SUPPORTS_64BIT_KERNEL 166 select SYS_SUPPORTS_LITTLE_ENDIAN 167 168config MACH_DECSTATION 169 bool "DECstations" 170 select BOOT_ELF32 171 select CEVT_DS1287 172 select CEVT_R4K 173 select CSRC_IOASIC 174 select CSRC_R4K 175 select CPU_DADDI_WORKAROUNDS if 64BIT 176 select CPU_R4000_WORKAROUNDS if 64BIT 177 select CPU_R4400_WORKAROUNDS if 64BIT 178 select DMA_NONCOHERENT 179 select NO_IOPORT 180 select IRQ_CPU 181 select SYS_HAS_CPU_R3000 182 select SYS_HAS_CPU_R4X00 183 select SYS_SUPPORTS_32BIT_KERNEL 184 select SYS_SUPPORTS_64BIT_KERNEL 185 select SYS_SUPPORTS_LITTLE_ENDIAN 186 select SYS_SUPPORTS_128HZ 187 select SYS_SUPPORTS_256HZ 188 select SYS_SUPPORTS_1024HZ 189 help 190 This enables support for DEC's MIPS based workstations. For details 191 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 192 DECstation porting pages on <http://decstation.unix-ag.org/>. 193 194 If you have one of the following DECstation Models you definitely 195 want to choose R4xx0 for the CPU Type: 196 197 DECstation 5000/50 198 DECstation 5000/150 199 DECstation 5000/260 200 DECsystem 5900/260 201 202 otherwise choose R3000. 203 204config MACH_JAZZ 205 bool "Jazz family of machines" 206 select FW_ARC 207 select FW_ARC32 208 select ARCH_MAY_HAVE_PC_FDC 209 select CEVT_R4K 210 select CSRC_R4K 211 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 212 select GENERIC_ISA_DMA 213 select HAVE_PCSPKR_PLATFORM 214 select IRQ_CPU 215 select I8253 216 select I8259 217 select ISA 218 select SYS_HAS_CPU_R4X00 219 select SYS_SUPPORTS_32BIT_KERNEL 220 select SYS_SUPPORTS_64BIT_KERNEL 221 select SYS_SUPPORTS_100HZ 222 help 223 This a family of machines based on the MIPS R4030 chipset which was 224 used by several vendors to build RISC/os and Windows NT workstations. 225 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 226 Olivetti M700-10 workstations. 227 228config MACH_JZ4740 229 bool "Ingenic JZ4740 based machines" 230 select SYS_HAS_CPU_MIPS32_R1 231 select SYS_SUPPORTS_32BIT_KERNEL 232 select SYS_SUPPORTS_LITTLE_ENDIAN 233 select SYS_SUPPORTS_ZBOOT_UART16550 234 select DMA_NONCOHERENT 235 select IRQ_CPU 236 select ARCH_REQUIRE_GPIOLIB 237 select SYS_HAS_EARLY_PRINTK 238 select HAVE_PWM 239 select HAVE_CLK 240 select GENERIC_IRQ_CHIP 241 242config LANTIQ 243 bool "Lantiq based platforms" 244 select DMA_NONCOHERENT 245 select IRQ_CPU 246 select CEVT_R4K 247 select CSRC_R4K 248 select SYS_HAS_CPU_MIPS32_R1 249 select SYS_HAS_CPU_MIPS32_R2 250 select SYS_SUPPORTS_BIG_ENDIAN 251 select SYS_SUPPORTS_32BIT_KERNEL 252 select SYS_SUPPORTS_MULTITHREADING 253 select SYS_HAS_EARLY_PRINTK 254 select ARCH_REQUIRE_GPIOLIB 255 select SWAP_IO_SPACE 256 select BOOT_RAW 257 select HAVE_MACH_CLKDEV 258 select CLKDEV_LOOKUP 259 select USE_OF 260 select PINCTRL 261 select PINCTRL_LANTIQ 262 263config LASAT 264 bool "LASAT Networks platforms" 265 select CEVT_R4K 266 select CSRC_R4K 267 select DMA_NONCOHERENT 268 select SYS_HAS_EARLY_PRINTK 269 select HW_HAS_PCI 270 select IRQ_CPU 271 select PCI_GT64XXX_PCI0 272 select MIPS_NILE4 273 select R5000_CPU_SCACHE 274 select SYS_HAS_CPU_R5000 275 select SYS_SUPPORTS_32BIT_KERNEL 276 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 277 select SYS_SUPPORTS_LITTLE_ENDIAN 278 279config MACH_LOONGSON 280 bool "Loongson family of machines" 281 select SYS_SUPPORTS_ZBOOT 282 help 283 This enables the support of Loongson family of machines. 284 285 Loongson is a family of general-purpose MIPS-compatible CPUs. 286 developed at Institute of Computing Technology (ICT), 287 Chinese Academy of Sciences (CAS) in the People's Republic 288 of China. The chief architect is Professor Weiwu Hu. 289 290config MACH_LOONGSON1 291 bool "Loongson 1 family of machines" 292 select SYS_SUPPORTS_ZBOOT 293 help 294 This enables support for the Loongson 1 based machines. 295 296 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 297 the ICT (Institute of Computing Technology) and the Chinese Academy 298 of Sciences. 299 300config MIPS_RANCHU 301 bool "Ranchu (Virtual Platform)" 302 select BOOT_ELF32 303 select BOOT_RAW 304 select CEVT_R4K 305 select CSRC_R4K 306 select DMA_COHERENT 307 select IRQ_CPU 308 select MIPS_CPU_SCACHE 309 select SYS_HAS_CPU_MIPS32_R1 310 select SYS_HAS_CPU_MIPS32_R2 311 select SYS_HAS_CPU_MIPS32_R2_EVA 312 select SYS_HAS_CPU_MIPS32_R6 313 select SYS_HAS_EARLY_PRINTK 314 select SYS_SUPPORTS_32BIT_KERNEL 315 select SYS_SUPPORTS_64BIT_KERNEL 316 select SYS_HAS_CPU_MIPS64_R1 317 select SYS_HAS_CPU_MIPS64_R2 318 select SYS_HAS_CPU_MIPS64_R6 319 select SYS_SUPPORTS_BIG_ENDIAN 320 select SYS_SUPPORTS_LITTLE_ENDIAN 321 select SYS_SUPPORTS_HIGHMEM 322 select USE_OF 323 324config MIPS_MALTA 325 bool "MIPS Malta board" 326 select ARCH_MAY_HAVE_PC_FDC 327 select BOOT_ELF32 328 select BOOT_RAW 329 select CEVT_R4K 330 select CSRC_R4K 331 select CSRC_GIC 332 select DMA_NONCOHERENT 333 select GENERIC_ISA_DMA 334 select HAVE_PCSPKR_PLATFORM 335 select IRQ_CPU 336 select IRQ_GIC 337 select HW_HAS_PCI 338 select I8253 339 select I8259 340 select MIPS_BONITO64 341 select MIPS_CPU_SCACHE 342 select PCI_GT64XXX_PCI0 343 select MIPS_MSC 344 select SWAP_IO_SPACE 345 select SYS_HAS_CPU_MIPS32_R1 346 select SYS_HAS_CPU_MIPS32_R2 347 select SYS_HAS_CPU_MIPS32_R2_EVA 348 select SYS_HAS_CPU_MIPS32_R6 349 select SYS_HAS_CPU_MIPS64_R1 350 select SYS_HAS_CPU_MIPS64_R2 351 select SYS_HAS_CPU_MIPS64_R6 352 select SYS_HAS_CPU_NEVADA 353 select SYS_HAS_CPU_RM7000 354 select SYS_HAS_EARLY_PRINTK 355 select SYS_SUPPORTS_32BIT_KERNEL 356 select SYS_SUPPORTS_64BIT_KERNEL 357 select SYS_SUPPORTS_BIG_ENDIAN 358 select SYS_SUPPORTS_LITTLE_ENDIAN 359 select SYS_SUPPORTS_MIPS_CMP 360 select SYS_SUPPORTS_MULTITHREADING 361 select SYS_SUPPORTS_SMARTMIPS 362 select SYS_SUPPORTS_ZBOOT 363 select SYS_SUPPORTS_HIGHMEM 364 select PM_SLEEP 365 help 366 This enables support for the MIPS Technologies Malta evaluation 367 board. 368 369config MIPS_SEAD3 370 bool "MIPS SEAD3 board" 371 select BOOT_ELF32 372 select BOOT_RAW 373 select CEVT_R4K 374 select CSRC_R4K 375 select CSRC_GIC 376 select CPU_MIPSR2_IRQ_VI 377 select CPU_MIPSR2_IRQ_EI 378 select DMA_NONCOHERENT 379 select IRQ_CPU 380 select IRQ_GIC 381 select MIPS_CPU_SCACHE 382 select MIPS_MSC 383 select SYS_HAS_CPU_MIPS32_R1 384 select SYS_HAS_CPU_MIPS32_R2 385 select SYS_HAS_CPU_MIPS64_R1 386 select SYS_HAS_EARLY_PRINTK 387 select SYS_SUPPORTS_32BIT_KERNEL 388 select SYS_SUPPORTS_64BIT_KERNEL 389 select SYS_SUPPORTS_BIG_ENDIAN 390 select SYS_SUPPORTS_LITTLE_ENDIAN 391 select SYS_SUPPORTS_SMARTMIPS 392 select SYS_SUPPORTS_MICROMIPS 393 select USB_ARCH_HAS_EHCI 394 select USB_EHCI_BIG_ENDIAN_DESC 395 select USB_EHCI_BIG_ENDIAN_MMIO 396 select USE_OF 397 help 398 This enables support for the MIPS Technologies SEAD3 evaluation 399 board. 400 401config NEC_MARKEINS 402 bool "NEC EMMA2RH Mark-eins board" 403 select SOC_EMMA2RH 404 select HW_HAS_PCI 405 help 406 This enables support for the NEC Electronics Mark-eins boards. 407 408config MACH_VR41XX 409 bool "NEC VR4100 series based machines" 410 select CEVT_R4K 411 select CSRC_R4K 412 select SYS_HAS_CPU_VR41XX 413 select ARCH_REQUIRE_GPIOLIB 414 415config NXP_STB220 416 bool "NXP STB220 board" 417 select SOC_PNX833X 418 help 419 Support for NXP Semiconductors STB220 Development Board. 420 421config NXP_STB225 422 bool "NXP 225 board" 423 select SOC_PNX833X 424 select SOC_PNX8335 425 help 426 Support for NXP Semiconductors STB225 Development Board. 427 428config PMC_MSP 429 bool "PMC-Sierra MSP chipsets" 430 select CEVT_R4K 431 select CSRC_R4K 432 select DMA_NONCOHERENT 433 select SWAP_IO_SPACE 434 select NO_EXCEPT_FILL 435 select BOOT_RAW 436 select SYS_HAS_CPU_MIPS32_R1 437 select SYS_HAS_CPU_MIPS32_R2 438 select SYS_SUPPORTS_32BIT_KERNEL 439 select SYS_SUPPORTS_BIG_ENDIAN 440 select IRQ_CPU 441 select SERIAL_8250 442 select SERIAL_8250_CONSOLE 443 select USB_EHCI_BIG_ENDIAN_MMIO 444 select USB_EHCI_BIG_ENDIAN_DESC 445 help 446 This adds support for the PMC-Sierra family of Multi-Service 447 Processor System-On-A-Chips. These parts include a number 448 of integrated peripherals, interfaces and DSPs in addition to 449 a variety of MIPS cores. 450 451config POWERTV 452 bool "Cisco PowerTV" 453 select BOOT_ELF32 454 select CEVT_R4K 455 select CPU_MIPSR2_IRQ_VI 456 select CPU_MIPSR2_IRQ_EI 457 select CSRC_POWERTV 458 select DMA_NONCOHERENT 459 select HW_HAS_PCI 460 select SYS_HAS_EARLY_PRINTK 461 select SYS_HAS_CPU_MIPS32_R2 462 select SYS_SUPPORTS_32BIT_KERNEL 463 select SYS_SUPPORTS_BIG_ENDIAN 464 select SYS_SUPPORTS_HIGHMEM 465 select USB_OHCI_LITTLE_ENDIAN 466 help 467 This enables support for the Cisco PowerTV Platform. 468 469config RALINK 470 bool "Ralink based machines" 471 select CEVT_R4K 472 select CSRC_R4K 473 select BOOT_RAW 474 select DMA_NONCOHERENT 475 select IRQ_CPU 476 select USE_OF 477 select SYS_HAS_CPU_MIPS32_R1 478 select SYS_HAS_CPU_MIPS32_R2 479 select SYS_SUPPORTS_32BIT_KERNEL 480 select SYS_SUPPORTS_LITTLE_ENDIAN 481 select SYS_HAS_EARLY_PRINTK 482 select HAVE_MACH_CLKDEV 483 select CLKDEV_LOOKUP 484 485config SGI_IP22 486 bool "SGI IP22 (Indy/Indigo2)" 487 select FW_ARC 488 select FW_ARC32 489 select BOOT_ELF32 490 select CEVT_R4K 491 select CSRC_R4K 492 select DEFAULT_SGI_PARTITION 493 select DMA_NONCOHERENT 494 select HW_HAS_EISA 495 select I8253 496 select I8259 497 select IP22_CPU_SCACHE 498 select IRQ_CPU 499 select GENERIC_ISA_DMA_SUPPORT_BROKEN 500 select SGI_HAS_I8042 501 select SGI_HAS_INDYDOG 502 select SGI_HAS_HAL2 503 select SGI_HAS_SEEQ 504 select SGI_HAS_WD93 505 select SGI_HAS_ZILOG 506 select SWAP_IO_SPACE 507 select SYS_HAS_CPU_R4X00 508 select SYS_HAS_CPU_R5000 509 # 510 # Disable EARLY_PRINTK for now since it leads to overwritten prom 511 # memory during early boot on some machines. 512 # 513 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 514 # for a more details discussion 515 # 516 # select SYS_HAS_EARLY_PRINTK 517 select SYS_SUPPORTS_32BIT_KERNEL 518 select SYS_SUPPORTS_64BIT_KERNEL 519 select SYS_SUPPORTS_BIG_ENDIAN 520 help 521 This are the SGI Indy, Challenge S and Indigo2, as well as certain 522 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 523 that runs on these, say Y here. 524 525config SGI_IP27 526 bool "SGI IP27 (Origin200/2000)" 527 select FW_ARC 528 select FW_ARC64 529 select BOOT_ELF64 530 select DEFAULT_SGI_PARTITION 531 select DMA_COHERENT 532 select SYS_HAS_EARLY_PRINTK 533 select HW_HAS_PCI 534 select NR_CPUS_DEFAULT_64 535 select SYS_HAS_CPU_R10000 536 select SYS_SUPPORTS_64BIT_KERNEL 537 select SYS_SUPPORTS_BIG_ENDIAN 538 select SYS_SUPPORTS_NUMA 539 select SYS_SUPPORTS_SMP 540 help 541 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 542 workstations. To compile a Linux kernel that runs on these, say Y 543 here. 544 545config SGI_IP28 546 bool "SGI IP28 (Indigo2 R10k)" 547 select FW_ARC 548 select FW_ARC64 549 select BOOT_ELF64 550 select CEVT_R4K 551 select CSRC_R4K 552 select DEFAULT_SGI_PARTITION 553 select DMA_NONCOHERENT 554 select GENERIC_ISA_DMA_SUPPORT_BROKEN 555 select IRQ_CPU 556 select HW_HAS_EISA 557 select I8253 558 select I8259 559 select SGI_HAS_I8042 560 select SGI_HAS_INDYDOG 561 select SGI_HAS_HAL2 562 select SGI_HAS_SEEQ 563 select SGI_HAS_WD93 564 select SGI_HAS_ZILOG 565 select SWAP_IO_SPACE 566 select SYS_HAS_CPU_R10000 567 # 568 # Disable EARLY_PRINTK for now since it leads to overwritten prom 569 # memory during early boot on some machines. 570 # 571 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 572 # for a more details discussion 573 # 574 # select SYS_HAS_EARLY_PRINTK 575 select SYS_SUPPORTS_64BIT_KERNEL 576 select SYS_SUPPORTS_BIG_ENDIAN 577 help 578 This is the SGI Indigo2 with R10000 processor. To compile a Linux 579 kernel that runs on these, say Y here. 580 581config SGI_IP32 582 bool "SGI IP32 (O2)" 583 select FW_ARC 584 select FW_ARC32 585 select BOOT_ELF32 586 select CEVT_R4K 587 select CSRC_R4K 588 select DMA_NONCOHERENT 589 select HW_HAS_PCI 590 select IRQ_CPU 591 select R5000_CPU_SCACHE 592 select RM7000_CPU_SCACHE 593 select SYS_HAS_CPU_R5000 594 select SYS_HAS_CPU_R10000 if BROKEN 595 select SYS_HAS_CPU_RM7000 596 select SYS_HAS_CPU_NEVADA 597 select SYS_SUPPORTS_64BIT_KERNEL 598 select SYS_SUPPORTS_BIG_ENDIAN 599 help 600 If you want this kernel to run on SGI O2 workstation, say Y here. 601 602config SIBYTE_CRHINE 603 bool "Sibyte BCM91120C-CRhine" 604 select BOOT_ELF32 605 select DMA_COHERENT 606 select SIBYTE_BCM1120 607 select SWAP_IO_SPACE 608 select SYS_HAS_CPU_SB1 609 select SYS_SUPPORTS_BIG_ENDIAN 610 select SYS_SUPPORTS_LITTLE_ENDIAN 611 612config SIBYTE_CARMEL 613 bool "Sibyte BCM91120x-Carmel" 614 select BOOT_ELF32 615 select DMA_COHERENT 616 select SIBYTE_BCM1120 617 select SWAP_IO_SPACE 618 select SYS_HAS_CPU_SB1 619 select SYS_SUPPORTS_BIG_ENDIAN 620 select SYS_SUPPORTS_LITTLE_ENDIAN 621 622config SIBYTE_CRHONE 623 bool "Sibyte BCM91125C-CRhone" 624 select BOOT_ELF32 625 select DMA_COHERENT 626 select SIBYTE_BCM1125 627 select SWAP_IO_SPACE 628 select SYS_HAS_CPU_SB1 629 select SYS_SUPPORTS_BIG_ENDIAN 630 select SYS_SUPPORTS_HIGHMEM 631 select SYS_SUPPORTS_LITTLE_ENDIAN 632 633config SIBYTE_RHONE 634 bool "Sibyte BCM91125E-Rhone" 635 select BOOT_ELF32 636 select DMA_COHERENT 637 select SIBYTE_BCM1125H 638 select SWAP_IO_SPACE 639 select SYS_HAS_CPU_SB1 640 select SYS_SUPPORTS_BIG_ENDIAN 641 select SYS_SUPPORTS_LITTLE_ENDIAN 642 643config SIBYTE_SWARM 644 bool "Sibyte BCM91250A-SWARM" 645 select BOOT_ELF32 646 select DMA_COHERENT 647 select HAVE_PATA_PLATFORM 648 select SIBYTE_SB1250 649 select SWAP_IO_SPACE 650 select SYS_HAS_CPU_SB1 651 select SYS_SUPPORTS_BIG_ENDIAN 652 select SYS_SUPPORTS_HIGHMEM 653 select SYS_SUPPORTS_LITTLE_ENDIAN 654 select ZONE_DMA32 if 64BIT 655 656config SIBYTE_LITTLESUR 657 bool "Sibyte BCM91250C2-LittleSur" 658 select BOOT_ELF32 659 select DMA_COHERENT 660 select HAVE_PATA_PLATFORM 661 select SIBYTE_SB1250 662 select SWAP_IO_SPACE 663 select SYS_HAS_CPU_SB1 664 select SYS_SUPPORTS_BIG_ENDIAN 665 select SYS_SUPPORTS_HIGHMEM 666 select SYS_SUPPORTS_LITTLE_ENDIAN 667 668config SIBYTE_SENTOSA 669 bool "Sibyte BCM91250E-Sentosa" 670 select BOOT_ELF32 671 select DMA_COHERENT 672 select SIBYTE_SB1250 673 select SWAP_IO_SPACE 674 select SYS_HAS_CPU_SB1 675 select SYS_SUPPORTS_BIG_ENDIAN 676 select SYS_SUPPORTS_LITTLE_ENDIAN 677 678config SIBYTE_BIGSUR 679 bool "Sibyte BCM91480B-BigSur" 680 select BOOT_ELF32 681 select DMA_COHERENT 682 select NR_CPUS_DEFAULT_4 683 select SIBYTE_BCM1x80 684 select SWAP_IO_SPACE 685 select SYS_HAS_CPU_SB1 686 select SYS_SUPPORTS_BIG_ENDIAN 687 select SYS_SUPPORTS_HIGHMEM 688 select SYS_SUPPORTS_LITTLE_ENDIAN 689 select ZONE_DMA32 if 64BIT 690 691config SNI_RM 692 bool "SNI RM200/300/400" 693 select FW_ARC if CPU_LITTLE_ENDIAN 694 select FW_ARC32 if CPU_LITTLE_ENDIAN 695 select FW_SNIPROM if CPU_BIG_ENDIAN 696 select ARCH_MAY_HAVE_PC_FDC 697 select BOOT_ELF32 698 select CEVT_R4K 699 select CSRC_R4K 700 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 701 select DMA_NONCOHERENT 702 select GENERIC_ISA_DMA 703 select HAVE_PCSPKR_PLATFORM 704 select HW_HAS_EISA 705 select HW_HAS_PCI 706 select IRQ_CPU 707 select I8253 708 select I8259 709 select ISA 710 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 711 select SYS_HAS_CPU_R4X00 712 select SYS_HAS_CPU_R5000 713 select SYS_HAS_CPU_R10000 714 select R5000_CPU_SCACHE 715 select SYS_HAS_EARLY_PRINTK 716 select SYS_SUPPORTS_32BIT_KERNEL 717 select SYS_SUPPORTS_64BIT_KERNEL 718 select SYS_SUPPORTS_BIG_ENDIAN 719 select SYS_SUPPORTS_HIGHMEM 720 select SYS_SUPPORTS_LITTLE_ENDIAN 721 help 722 The SNI RM200/300/400 are MIPS-based machines manufactured by 723 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 724 Technology and now in turn merged with Fujitsu. Say Y here to 725 support this machine type. 726 727config MACH_TX39XX 728 bool "Toshiba TX39 series based machines" 729 730config MACH_TX49XX 731 bool "Toshiba TX49 series based machines" 732 733config MIKROTIK_RB532 734 bool "Mikrotik RB532 boards" 735 select CEVT_R4K 736 select CSRC_R4K 737 select DMA_NONCOHERENT 738 select HW_HAS_PCI 739 select IRQ_CPU 740 select SYS_HAS_CPU_MIPS32_R1 741 select SYS_SUPPORTS_32BIT_KERNEL 742 select SYS_SUPPORTS_LITTLE_ENDIAN 743 select SWAP_IO_SPACE 744 select BOOT_RAW 745 select ARCH_REQUIRE_GPIOLIB 746 help 747 Support the Mikrotik(tm) RouterBoard 532 series, 748 based on the IDT RC32434 SoC. 749 750config WR_PPMC 751 bool "Wind River PPMC board" 752 select CEVT_R4K 753 select CSRC_R4K 754 select IRQ_CPU 755 select BOOT_ELF32 756 select DMA_NONCOHERENT 757 select HW_HAS_PCI 758 select PCI_GT64XXX_PCI0 759 select SWAP_IO_SPACE 760 select SYS_HAS_CPU_MIPS32_R1 761 select SYS_HAS_CPU_MIPS32_R2 762 select SYS_HAS_CPU_MIPS64_R1 763 select SYS_HAS_CPU_NEVADA 764 select SYS_HAS_CPU_RM7000 765 select SYS_SUPPORTS_32BIT_KERNEL 766 select SYS_SUPPORTS_64BIT_KERNEL 767 select SYS_SUPPORTS_BIG_ENDIAN 768 select SYS_SUPPORTS_LITTLE_ENDIAN 769 help 770 This enables support for the Wind River MIPS32 4KC PPMC evaluation 771 board, which is based on GT64120 bridge chip. 772 773config CAVIUM_OCTEON_SIMULATOR 774 bool "Cavium Networks Octeon Simulator" 775 select CEVT_R4K 776 select 64BIT_PHYS_ADDR 777 select DMA_COHERENT 778 select SYS_SUPPORTS_64BIT_KERNEL 779 select SYS_SUPPORTS_BIG_ENDIAN 780 select SYS_SUPPORTS_HOTPLUG_CPU 781 select SYS_HAS_CPU_CAVIUM_OCTEON 782 select HOLES_IN_ZONE 783 help 784 The Octeon simulator is software performance model of the Cavium 785 Octeon Processor. It supports simulating Octeon processors on x86 786 hardware. 787 788config CAVIUM_OCTEON_REFERENCE_BOARD 789 bool "Cavium Networks Octeon reference board" 790 select CEVT_R4K 791 select 64BIT_PHYS_ADDR 792 select DMA_COHERENT 793 select SYS_SUPPORTS_64BIT_KERNEL 794 select SYS_SUPPORTS_BIG_ENDIAN 795 select EDAC_SUPPORT 796 select SYS_SUPPORTS_HOTPLUG_CPU 797 select SYS_HAS_EARLY_PRINTK 798 select SYS_HAS_CPU_CAVIUM_OCTEON 799 select SWAP_IO_SPACE 800 select HW_HAS_PCI 801 select ARCH_SUPPORTS_MSI 802 select ZONE_DMA32 803 select USB_ARCH_HAS_OHCI 804 select USB_ARCH_HAS_EHCI 805 select HOLES_IN_ZONE 806 help 807 This option supports all of the Octeon reference boards from Cavium 808 Networks. It builds a kernel that dynamically determines the Octeon 809 CPU type and supports all known board reference implementations. 810 Some of the supported boards are: 811 EBT3000 812 EBH3000 813 EBH3100 814 Thunder 815 Kodama 816 Hikari 817 Say Y here for most Octeon reference boards. 818 819config NLM_XLR_BOARD 820 bool "Netlogic XLR/XLS based systems" 821 select BOOT_ELF32 822 select NLM_COMMON 823 select SYS_HAS_CPU_XLR 824 select SYS_SUPPORTS_SMP 825 select HW_HAS_PCI 826 select SWAP_IO_SPACE 827 select SYS_SUPPORTS_32BIT_KERNEL 828 select SYS_SUPPORTS_64BIT_KERNEL 829 select 64BIT_PHYS_ADDR 830 select SYS_SUPPORTS_BIG_ENDIAN 831 select SYS_SUPPORTS_HIGHMEM 832 select DMA_COHERENT 833 select NR_CPUS_DEFAULT_32 834 select CEVT_R4K 835 select CSRC_R4K 836 select IRQ_CPU 837 select ARCH_SUPPORTS_MSI 838 select ZONE_DMA32 if 64BIT 839 select SYNC_R4K 840 select SYS_HAS_EARLY_PRINTK 841 select USB_ARCH_HAS_OHCI if USB_SUPPORT 842 select USB_ARCH_HAS_EHCI if USB_SUPPORT 843 help 844 Support for systems based on Netlogic XLR and XLS processors. 845 Say Y here if you have a XLR or XLS based board. 846 847config NLM_XLP_BOARD 848 bool "Netlogic XLP based systems" 849 select BOOT_ELF32 850 select NLM_COMMON 851 select SYS_HAS_CPU_XLP 852 select SYS_SUPPORTS_SMP 853 select HW_HAS_PCI 854 select SYS_SUPPORTS_32BIT_KERNEL 855 select SYS_SUPPORTS_64BIT_KERNEL 856 select 64BIT_PHYS_ADDR 857 select SYS_SUPPORTS_BIG_ENDIAN 858 select SYS_SUPPORTS_LITTLE_ENDIAN 859 select SYS_SUPPORTS_HIGHMEM 860 select DMA_COHERENT 861 select NR_CPUS_DEFAULT_32 862 select CEVT_R4K 863 select CSRC_R4K 864 select IRQ_CPU 865 select ZONE_DMA32 if 64BIT 866 select SYNC_R4K 867 select SYS_HAS_EARLY_PRINTK 868 select USE_OF 869 help 870 This board is based on Netlogic XLP Processor. 871 Say Y here if you have a XLP based board. 872 873endchoice 874 875source "arch/mips/alchemy/Kconfig" 876source "arch/mips/ath79/Kconfig" 877source "arch/mips/bcm47xx/Kconfig" 878source "arch/mips/bcm63xx/Kconfig" 879source "arch/mips/jazz/Kconfig" 880source "arch/mips/jz4740/Kconfig" 881source "arch/mips/lantiq/Kconfig" 882source "arch/mips/lasat/Kconfig" 883source "arch/mips/pmcs-msp71xx/Kconfig" 884source "arch/mips/powertv/Kconfig" 885source "arch/mips/ralink/Kconfig" 886source "arch/mips/sgi-ip27/Kconfig" 887source "arch/mips/sibyte/Kconfig" 888source "arch/mips/txx9/Kconfig" 889source "arch/mips/vr41xx/Kconfig" 890source "arch/mips/cavium-octeon/Kconfig" 891source "arch/mips/loongson/Kconfig" 892source "arch/mips/loongson1/Kconfig" 893source "arch/mips/netlogic/Kconfig" 894 895endmenu 896 897config RWSEM_GENERIC_SPINLOCK 898 bool 899 default y 900 901config RWSEM_XCHGADD_ALGORITHM 902 bool 903 904config ARCH_HAS_ILOG2_U32 905 bool 906 default n 907 908config ARCH_HAS_ILOG2_U64 909 bool 910 default n 911 912config GENERIC_HWEIGHT 913 bool 914 default y 915 916config GENERIC_CALIBRATE_DELAY 917 bool 918 default y 919 920config SCHED_OMIT_FRAME_POINTER 921 bool 922 default y 923 924# 925# Select some configuration options automatically based on user selections. 926# 927config FW_ARC 928 bool 929 930config ARCH_MAY_HAVE_PC_FDC 931 bool 932 933config BOOT_RAW 934 bool 935 936config CEVT_BCM1480 937 bool 938 939config CEVT_DS1287 940 bool 941 942config CEVT_GT641XX 943 bool 944 945config CEVT_R4K 946 bool 947 948config CEVT_GIC 949 bool 950 951config CEVT_SB1250 952 bool 953 954config CEVT_TXX9 955 bool 956 957config CSRC_BCM1480 958 bool 959 960config CSRC_IOASIC 961 bool 962 963config CSRC_POWERTV 964 bool 965 966config CSRC_R4K 967 bool 968 969config CSRC_GIC 970 bool 971 972config CSRC_SB1250 973 bool 974 975config GPIO_TXX9 976 select ARCH_REQUIRE_GPIOLIB 977 bool 978 979config FW_CFE 980 bool 981 982config ARCH_DMA_ADDR_T_64BIT 983 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 984 985config DMA_COHERENT 986 bool 987 988config DMA_NONCOHERENT 989 bool 990 select NEED_DMA_MAP_STATE 991 992config NEED_DMA_MAP_STATE 993 bool 994 995config SYS_HAS_EARLY_PRINTK 996 bool 997 998config HOTPLUG_CPU 999 bool "Support for hot-pluggable CPUs" 1000 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 1001 help 1002 Say Y here to allow turning CPUs off and on. CPUs can be 1003 controlled through /sys/devices/system/cpu. 1004 (Note: power management support will enable this option 1005 automatically on SMP systems. ) 1006 Say N if you want to disable CPU hotplug. 1007 1008config SYS_SUPPORTS_HOTPLUG_CPU 1009 bool 1010 1011config I8259 1012 bool 1013 1014config MIPS_BONITO64 1015 bool 1016 1017config MIPS_MSC 1018 bool 1019 1020config MIPS_NILE4 1021 bool 1022 1023config SYNC_R4K 1024 bool 1025 1026config MIPS_MACHINE 1027 def_bool n 1028 1029config NO_IOPORT 1030 def_bool n 1031 1032config GENERIC_ISA_DMA 1033 bool 1034 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1035 select ISA_DMA_API 1036 1037config GENERIC_ISA_DMA_SUPPORT_BROKEN 1038 bool 1039 select GENERIC_ISA_DMA 1040 1041config ISA_DMA_API 1042 bool 1043 1044config HOLES_IN_ZONE 1045 bool 1046 1047# 1048# Endianness selection. Sufficiently obscure so many users don't know what to 1049# answer,so we try hard to limit the available choices. Also the use of a 1050# choice statement should be more obvious to the user. 1051# 1052choice 1053 prompt "Endianness selection" 1054 help 1055 Some MIPS machines can be configured for either little or big endian 1056 byte order. These modes require different kernels and a different 1057 Linux distribution. In general there is one preferred byteorder for a 1058 particular system but some systems are just as commonly used in the 1059 one or the other endianness. 1060 1061config CPU_BIG_ENDIAN 1062 bool "Big endian" 1063 depends on SYS_SUPPORTS_BIG_ENDIAN 1064 1065config CPU_LITTLE_ENDIAN 1066 bool "Little endian" 1067 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1068 help 1069 1070endchoice 1071 1072config EXPORT_UASM 1073 bool 1074 1075config SYS_SUPPORTS_APM_EMULATION 1076 bool 1077 1078config SYS_SUPPORTS_BIG_ENDIAN 1079 bool 1080 1081config SYS_SUPPORTS_LITTLE_ENDIAN 1082 bool 1083 1084config SYS_SUPPORTS_HUGETLBFS 1085 bool 1086 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 1087 default y 1088 1089config MIPS_HUGE_TLB_SUPPORT 1090 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1091 1092config IRQ_CPU 1093 bool 1094 1095config IRQ_CPU_RM7K 1096 bool 1097 1098config IRQ_MSP_SLP 1099 bool 1100 1101config IRQ_MSP_CIC 1102 bool 1103 1104config IRQ_TXX9 1105 bool 1106 1107config IRQ_GT641XX 1108 bool 1109 1110config IRQ_GIC 1111 bool 1112 1113config PCI_GT64XXX_PCI0 1114 bool 1115 1116config NO_EXCEPT_FILL 1117 bool 1118 1119config SOC_EMMA2RH 1120 bool 1121 select CEVT_R4K 1122 select CSRC_R4K 1123 select DMA_NONCOHERENT 1124 select IRQ_CPU 1125 select SWAP_IO_SPACE 1126 select SYS_HAS_CPU_R5500 1127 select SYS_SUPPORTS_32BIT_KERNEL 1128 select SYS_SUPPORTS_64BIT_KERNEL 1129 select SYS_SUPPORTS_BIG_ENDIAN 1130 1131config SOC_PNX833X 1132 bool 1133 select CEVT_R4K 1134 select CSRC_R4K 1135 select IRQ_CPU 1136 select DMA_NONCOHERENT 1137 select SYS_HAS_CPU_MIPS32_R2 1138 select SYS_SUPPORTS_32BIT_KERNEL 1139 select SYS_SUPPORTS_LITTLE_ENDIAN 1140 select SYS_SUPPORTS_BIG_ENDIAN 1141 select CPU_MIPSR2_IRQ_VI 1142 1143config SOC_PNX8335 1144 bool 1145 select SOC_PNX833X 1146 1147config SWAP_IO_SPACE 1148 bool 1149 1150config SGI_HAS_INDYDOG 1151 bool 1152 1153config SGI_HAS_HAL2 1154 bool 1155 1156config SGI_HAS_SEEQ 1157 bool 1158 1159config SGI_HAS_WD93 1160 bool 1161 1162config SGI_HAS_ZILOG 1163 bool 1164 1165config SGI_HAS_I8042 1166 bool 1167 1168config DEFAULT_SGI_PARTITION 1169 bool 1170 1171config FW_ARC32 1172 bool 1173 1174config FW_SNIPROM 1175 bool 1176 1177config BOOT_ELF32 1178 bool 1179 1180config MIPS_L1_CACHE_SHIFT 1181 int 1182 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X 1183 default "6" if MIPS_CPU_SCACHE 1184 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 1185 default "5" 1186 1187config HAVE_STD_PC_SERIAL_PORT 1188 bool 1189 1190config ARC_CONSOLE 1191 bool "ARC console support" 1192 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1193 1194config ARC_MEMORY 1195 bool 1196 depends on MACH_JAZZ || SNI_RM || SGI_IP32 1197 default y 1198 1199config ARC_PROMLIB 1200 bool 1201 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 1202 default y 1203 1204config FW_ARC64 1205 bool 1206 1207config BOOT_ELF64 1208 bool 1209 1210menu "CPU selection" 1211 1212choice 1213 prompt "CPU type" 1214 default CPU_R4X00 1215 1216config CPU_LOONGSON2E 1217 bool "Loongson 2E" 1218 depends on SYS_HAS_CPU_LOONGSON2E 1219 select CPU_LOONGSON2 1220 help 1221 The Loongson 2E processor implements the MIPS III instruction set 1222 with many extensions. 1223 1224 It has an internal FPGA northbridge, which is compatible to 1225 bonito64. 1226 1227config CPU_LOONGSON2F 1228 bool "Loongson 2F" 1229 depends on SYS_HAS_CPU_LOONGSON2F 1230 select CPU_LOONGSON2 1231 select ARCH_REQUIRE_GPIOLIB 1232 help 1233 The Loongson 2F processor implements the MIPS III instruction set 1234 with many extensions. 1235 1236 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1237 have a similar programming interface with FPGA northbridge used in 1238 Loongson2E. 1239 1240config CPU_LOONGSON1B 1241 bool "Loongson 1B" 1242 depends on SYS_HAS_CPU_LOONGSON1B 1243 select CPU_LOONGSON1 1244 help 1245 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1246 release 2 instruction set. 1247 1248config CPU_MIPS32_R1 1249 bool "MIPS32 Release 1" 1250 depends on SYS_HAS_CPU_MIPS32_R1 1251 select CPU_HAS_PREFETCH 1252 select CPU_SUPPORTS_32BIT_KERNEL 1253 select CPU_SUPPORTS_HIGHMEM 1254 help 1255 Choose this option to build a kernel for release 1 or later of the 1256 MIPS32 architecture. Most modern embedded systems with a 32-bit 1257 MIPS processor are based on a MIPS32 processor. If you know the 1258 specific type of processor in your system, choose those that one 1259 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1260 Release 2 of the MIPS32 architecture is available since several 1261 years so chances are you even have a MIPS32 Release 2 processor 1262 in which case you should choose CPU_MIPS32_R2 instead for better 1263 performance. 1264 1265config CPU_MIPS32_R2 1266 bool "MIPS32 Release 2" 1267 depends on SYS_HAS_CPU_MIPS32_R2 1268 select CPU_HAS_PREFETCH 1269 select CPU_SUPPORTS_32BIT_KERNEL 1270 select CPU_SUPPORTS_HIGHMEM 1271 select CPU_SUPPORTS_MSA 1272 select HAVE_KVM 1273 help 1274 Choose this option to build a kernel for release 2 or later of the 1275 MIPS32 architecture. Most modern embedded systems with a 32-bit 1276 MIPS processor are based on a MIPS32 processor. If you know the 1277 specific type of processor in your system, choose those that one 1278 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1279 1280config CPU_MIPS64_R1 1281 bool "MIPS64 Release 1" 1282 depends on SYS_HAS_CPU_MIPS64_R1 1283 select CPU_HAS_PREFETCH 1284 select CPU_SUPPORTS_32BIT_KERNEL 1285 select CPU_SUPPORTS_64BIT_KERNEL 1286 select CPU_SUPPORTS_HIGHMEM 1287 select CPU_SUPPORTS_HUGEPAGES 1288 help 1289 Choose this option to build a kernel for release 1 or later of the 1290 MIPS64 architecture. Many modern embedded systems with a 64-bit 1291 MIPS processor are based on a MIPS64 processor. If you know the 1292 specific type of processor in your system, choose those that one 1293 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1294 Release 2 of the MIPS64 architecture is available since several 1295 years so chances are you even have a MIPS64 Release 2 processor 1296 in which case you should choose CPU_MIPS64_R2 instead for better 1297 performance. 1298 1299config CPU_MIPS64_R2 1300 bool "MIPS64 Release 2" 1301 depends on SYS_HAS_CPU_MIPS64_R2 1302 select CPU_HAS_PREFETCH 1303 select CPU_SUPPORTS_32BIT_KERNEL 1304 select CPU_SUPPORTS_64BIT_KERNEL 1305 select CPU_SUPPORTS_HIGHMEM 1306 select CPU_SUPPORTS_HUGEPAGES 1307 select CPU_SUPPORTS_MSA 1308 help 1309 Choose this option to build a kernel for release 2 or later of the 1310 MIPS64 architecture. Many modern embedded systems with a 64-bit 1311 MIPS processor are based on a MIPS64 processor. If you know the 1312 specific type of processor in your system, choose those that one 1313 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1314 1315config CPU_MIPS32_R6 1316 bool "MIPS32 Release 6" 1317 depends on SYS_HAS_CPU_MIPS32_R6 1318 select CPU_HAS_PREFETCH 1319 select CPU_SUPPORTS_32BIT_KERNEL 1320 select CPU_SUPPORTS_HIGHMEM 1321 select CPU_SUPPORTS_MSA 1322 help 1323 Choose this option to build a kernel for release 6 or later of the 1324 MIPS32 architecture. 1325 1326config CPU_MIPS64_R6 1327 bool "MIPS64 Release 6" 1328 depends on SYS_HAS_CPU_MIPS64_R6 1329 select CPU_HAS_PREFETCH 1330 select CPU_SUPPORTS_32BIT_KERNEL 1331 select CPU_SUPPORTS_64BIT_KERNEL 1332 select CPU_SUPPORTS_HIGHMEM 1333 select CPU_SUPPORTS_HUGEPAGES 1334 select CPU_SUPPORTS_MSA 1335 help 1336 Choose this option to build a kernel for release 6 or later of the 1337 MIPS64 architecture. 1338 1339config CPU_R3000 1340 bool "R3000" 1341 depends on SYS_HAS_CPU_R3000 1342 select CPU_HAS_WB 1343 select CPU_SUPPORTS_32BIT_KERNEL 1344 select CPU_SUPPORTS_HIGHMEM 1345 help 1346 Please make sure to pick the right CPU type. Linux/MIPS is not 1347 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1348 *not* work on R4000 machines and vice versa. However, since most 1349 of the supported machines have an R4000 (or similar) CPU, R4x00 1350 might be a safe bet. If the resulting kernel does not work, 1351 try to recompile with R3000. 1352 1353config CPU_TX39XX 1354 bool "R39XX" 1355 depends on SYS_HAS_CPU_TX39XX 1356 select CPU_SUPPORTS_32BIT_KERNEL 1357 1358config CPU_VR41XX 1359 bool "R41xx" 1360 depends on SYS_HAS_CPU_VR41XX 1361 select CPU_SUPPORTS_32BIT_KERNEL 1362 select CPU_SUPPORTS_64BIT_KERNEL 1363 help 1364 The options selects support for the NEC VR4100 series of processors. 1365 Only choose this option if you have one of these processors as a 1366 kernel built with this option will not run on any other type of 1367 processor or vice versa. 1368 1369config CPU_R4300 1370 bool "R4300" 1371 depends on SYS_HAS_CPU_R4300 1372 select CPU_SUPPORTS_32BIT_KERNEL 1373 select CPU_SUPPORTS_64BIT_KERNEL 1374 help 1375 MIPS Technologies R4300-series processors. 1376 1377config CPU_R4X00 1378 bool "R4x00" 1379 depends on SYS_HAS_CPU_R4X00 1380 select CPU_SUPPORTS_32BIT_KERNEL 1381 select CPU_SUPPORTS_64BIT_KERNEL 1382 select CPU_SUPPORTS_HUGEPAGES 1383 help 1384 MIPS Technologies R4000-series processors other than 4300, including 1385 the R4000, R4400, R4600, and 4700. 1386 1387config CPU_TX49XX 1388 bool "R49XX" 1389 depends on SYS_HAS_CPU_TX49XX 1390 select CPU_HAS_PREFETCH 1391 select CPU_SUPPORTS_32BIT_KERNEL 1392 select CPU_SUPPORTS_64BIT_KERNEL 1393 select CPU_SUPPORTS_HUGEPAGES 1394 1395config CPU_R5000 1396 bool "R5000" 1397 depends on SYS_HAS_CPU_R5000 1398 select CPU_SUPPORTS_32BIT_KERNEL 1399 select CPU_SUPPORTS_64BIT_KERNEL 1400 select CPU_SUPPORTS_HUGEPAGES 1401 help 1402 MIPS Technologies R5000-series processors other than the Nevada. 1403 1404config CPU_R5432 1405 bool "R5432" 1406 depends on SYS_HAS_CPU_R5432 1407 select CPU_SUPPORTS_32BIT_KERNEL 1408 select CPU_SUPPORTS_64BIT_KERNEL 1409 select CPU_SUPPORTS_HUGEPAGES 1410 1411config CPU_R5500 1412 bool "R5500" 1413 depends on SYS_HAS_CPU_R5500 1414 select CPU_SUPPORTS_32BIT_KERNEL 1415 select CPU_SUPPORTS_64BIT_KERNEL 1416 select CPU_SUPPORTS_HUGEPAGES 1417 help 1418 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1419 instruction set. 1420 1421config CPU_R6000 1422 bool "R6000" 1423 depends on SYS_HAS_CPU_R6000 1424 select CPU_SUPPORTS_32BIT_KERNEL 1425 help 1426 MIPS Technologies R6000 and R6000A series processors. Note these 1427 processors are extremely rare and the support for them is incomplete. 1428 1429config CPU_NEVADA 1430 bool "RM52xx" 1431 depends on SYS_HAS_CPU_NEVADA 1432 select CPU_SUPPORTS_32BIT_KERNEL 1433 select CPU_SUPPORTS_64BIT_KERNEL 1434 select CPU_SUPPORTS_HUGEPAGES 1435 help 1436 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1437 1438config CPU_R8000 1439 bool "R8000" 1440 depends on SYS_HAS_CPU_R8000 1441 select CPU_HAS_PREFETCH 1442 select CPU_SUPPORTS_64BIT_KERNEL 1443 help 1444 MIPS Technologies R8000 processors. Note these processors are 1445 uncommon and the support for them is incomplete. 1446 1447config CPU_R10000 1448 bool "R10000" 1449 depends on SYS_HAS_CPU_R10000 1450 select CPU_HAS_PREFETCH 1451 select CPU_SUPPORTS_32BIT_KERNEL 1452 select CPU_SUPPORTS_64BIT_KERNEL 1453 select CPU_SUPPORTS_HIGHMEM 1454 select CPU_SUPPORTS_HUGEPAGES 1455 help 1456 MIPS Technologies R10000-series processors. 1457 1458config CPU_RM7000 1459 bool "RM7000" 1460 depends on SYS_HAS_CPU_RM7000 1461 select CPU_HAS_PREFETCH 1462 select CPU_SUPPORTS_32BIT_KERNEL 1463 select CPU_SUPPORTS_64BIT_KERNEL 1464 select CPU_SUPPORTS_HIGHMEM 1465 select CPU_SUPPORTS_HUGEPAGES 1466 1467config CPU_SB1 1468 bool "SB1" 1469 depends on SYS_HAS_CPU_SB1 1470 select CPU_SUPPORTS_32BIT_KERNEL 1471 select CPU_SUPPORTS_64BIT_KERNEL 1472 select CPU_SUPPORTS_HIGHMEM 1473 select CPU_SUPPORTS_HUGEPAGES 1474 select WEAK_ORDERING 1475 1476config CPU_CAVIUM_OCTEON 1477 bool "Cavium Octeon processor" 1478 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1479 select ARCH_SPARSEMEM_ENABLE 1480 select CPU_HAS_PREFETCH 1481 select CPU_SUPPORTS_64BIT_KERNEL 1482 select SYS_SUPPORTS_SMP 1483 select NR_CPUS_DEFAULT_16 1484 select WEAK_ORDERING 1485 select CPU_SUPPORTS_HIGHMEM 1486 select CPU_SUPPORTS_HUGEPAGES 1487 select LIBFDT 1488 select USE_OF 1489 select USB_EHCI_BIG_ENDIAN_MMIO 1490 help 1491 The Cavium Octeon processor is a highly integrated chip containing 1492 many ethernet hardware widgets for networking tasks. The processor 1493 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1494 Full details can be found at http://www.caviumnetworks.com. 1495 1496config CPU_BMIPS3300 1497 bool "BMIPS3300" 1498 depends on SYS_HAS_CPU_BMIPS3300 1499 select CPU_BMIPS 1500 help 1501 Broadcom BMIPS3300 processors. 1502 1503config CPU_BMIPS4350 1504 bool "BMIPS4350" 1505 depends on SYS_HAS_CPU_BMIPS4350 1506 select CPU_BMIPS 1507 select SYS_SUPPORTS_SMP 1508 select SYS_SUPPORTS_HOTPLUG_CPU 1509 help 1510 Broadcom BMIPS4350 ("VIPER") processors. 1511 1512config CPU_BMIPS4380 1513 bool "BMIPS4380" 1514 depends on SYS_HAS_CPU_BMIPS4380 1515 select CPU_BMIPS 1516 select SYS_SUPPORTS_SMP 1517 select SYS_SUPPORTS_HOTPLUG_CPU 1518 help 1519 Broadcom BMIPS4380 processors. 1520 1521config CPU_BMIPS5000 1522 bool "BMIPS5000" 1523 depends on SYS_HAS_CPU_BMIPS5000 1524 select CPU_BMIPS 1525 select CPU_SUPPORTS_HIGHMEM 1526 select MIPS_CPU_SCACHE 1527 select SYS_SUPPORTS_SMP 1528 select SYS_SUPPORTS_HOTPLUG_CPU 1529 help 1530 Broadcom BMIPS5000 processors. 1531 1532config CPU_XLR 1533 bool "Netlogic XLR SoC" 1534 depends on SYS_HAS_CPU_XLR 1535 select CPU_SUPPORTS_32BIT_KERNEL 1536 select CPU_SUPPORTS_64BIT_KERNEL 1537 select CPU_SUPPORTS_HIGHMEM 1538 select CPU_SUPPORTS_HUGEPAGES 1539 select WEAK_ORDERING 1540 select WEAK_REORDERING_BEYOND_LLSC 1541 help 1542 Netlogic Microsystems XLR/XLS processors. 1543 1544config CPU_XLP 1545 bool "Netlogic XLP SoC" 1546 depends on SYS_HAS_CPU_XLP 1547 select CPU_SUPPORTS_32BIT_KERNEL 1548 select CPU_SUPPORTS_64BIT_KERNEL 1549 select CPU_SUPPORTS_HIGHMEM 1550 select WEAK_ORDERING 1551 select WEAK_REORDERING_BEYOND_LLSC 1552 select CPU_HAS_PREFETCH 1553 select CPU_MIPSR2 1554 help 1555 Netlogic Microsystems XLP processors. 1556endchoice 1557 1558config CPU_MIPS32_R2_EVA 1559 bool "MIPS32 Release 2 with EVA support" 1560 depends on SYS_HAS_CPU_MIPS32_R2_EVA 1561 depends on CPU_MIPS32_R2 1562 select EVA 1563 help 1564 Choose this option to build a kernel for release 2 or later of the 1565 MIPS32 architecture working in EVA mode. EVA is an Extended Virtual 1566 Addressing but it actually allows extended direct physical memory 1567 addressing in kernel (more than 512MB - 2GB or 3GB). If you know the 1568 specific type of processor in your system, choose those that one 1569 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1570 If unsure, select just CPU_MIPS32_R2 or even CPU_MIPS32_R1. 1571 1572config EVA_OLD_MALTA_MAP 1573 bool "Old memory map on Malta (sys controller 1.418)" 1574 depends on EVA 1575 help 1576 Choose this option to build EVA kernel for old Malta memory map. 1577 All memory are located above 0x80000000 and first 256M is mirrored 1578 to first 0x80000000. IOCU doesn't work with this option. 1579 It is designed for systems with RocIt system controller 1.418/1.424 1580 and it is kept just for MTI testing purposes. (1.424 can be used 1581 with new memory map too). 1582 May or may not work with SMP - address aliasing is crazy for YAMON. 1583 1584config EVA_3GB 1585 bool "EVA support for 3GB memory" 1586 depends on EVA 1587 depends on EVA_OLD_MALTA_MAP 1588 help 1589 Choose this option to build a EVA kernel supporting up to 3GB of 1590 physical memory. This option shifts uncacheble IO registers from KSEG1 1591 to KSEG3 which becomes uncachable and KSEG1 (+KSEG0) can be used for 1592 additional 1GB physical memory. Actually, to minimize changes in 1593 drivers and code the same name (KSEG1) will still be used but it's 1594 address will be changed. The physical I/O address is still the same. 1595 On Malta board with old memory map it doesn't give you 3GB 1596 (because of PCI bridges loop) but it can be used as a start point 1597 for development. 1598 1599if CPU_LOONGSON2F 1600config CPU_NOP_WORKAROUNDS 1601 bool 1602 1603config CPU_JUMP_WORKAROUNDS 1604 bool 1605 1606config CPU_LOONGSON2F_WORKAROUNDS 1607 bool "Loongson 2F Workarounds" 1608 default y 1609 select CPU_NOP_WORKAROUNDS 1610 select CPU_JUMP_WORKAROUNDS 1611 help 1612 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1613 require workarounds. Without workarounds the system may hang 1614 unexpectedly. For more information please refer to the gas 1615 -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1616 1617 Loongson 2F03 and later have fixed these issues and no workarounds 1618 are needed. The workarounds have no significant side effect on them 1619 but may decrease the performance of the system so this option should 1620 be disabled unless the kernel is intended to be run on 2F01 or 2F02 1621 systems. 1622 1623 If unsure, please say Y. 1624endif # CPU_LOONGSON2F 1625 1626config SYS_SUPPORTS_ZBOOT 1627 bool 1628 select HAVE_KERNEL_GZIP 1629 select HAVE_KERNEL_BZIP2 1630 select HAVE_KERNEL_LZMA 1631 select HAVE_KERNEL_LZO 1632 1633config SYS_SUPPORTS_ZBOOT_UART16550 1634 bool 1635 select SYS_SUPPORTS_ZBOOT 1636 1637config CPU_LOONGSON2 1638 bool 1639 select CPU_SUPPORTS_32BIT_KERNEL 1640 select CPU_SUPPORTS_64BIT_KERNEL 1641 select CPU_SUPPORTS_HIGHMEM 1642 select CPU_SUPPORTS_HUGEPAGES 1643 1644config CPU_LOONGSON1 1645 bool 1646 select CPU_MIPS32 1647 select CPU_MIPSR2 1648 select CPU_HAS_PREFETCH 1649 select CPU_SUPPORTS_32BIT_KERNEL 1650 select CPU_SUPPORTS_HIGHMEM 1651 1652config CPU_BMIPS 1653 bool 1654 select CPU_MIPS32 1655 select CPU_SUPPORTS_32BIT_KERNEL 1656 select DMA_NONCOHERENT 1657 select IRQ_CPU 1658 select SWAP_IO_SPACE 1659 select WEAK_ORDERING 1660 1661config SYS_HAS_CPU_LOONGSON2E 1662 bool 1663 1664config SYS_HAS_CPU_LOONGSON2F 1665 bool 1666 select CPU_SUPPORTS_CPUFREQ 1667 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1668 select CPU_SUPPORTS_UNCACHED_ACCELERATED 1669 1670config SYS_HAS_CPU_LOONGSON1B 1671 bool 1672 1673config SYS_HAS_CPU_MIPS32_R1 1674 bool 1675 1676config SYS_HAS_CPU_MIPS32_R2 1677 bool 1678 1679config SYS_HAS_CPU_MIPS32_R2_EVA 1680 bool 1681 1682config SYS_HAS_CPU_MIPS64_R1 1683 bool 1684 1685config SYS_HAS_CPU_MIPS64_R2 1686 bool 1687 1688config SYS_HAS_CPU_MIPS32_R6 1689 bool 1690 1691config SYS_HAS_CPU_MIPS64_R6 1692 bool 1693 1694config SYS_HAS_CPU_R3000 1695 bool 1696 1697config SYS_HAS_CPU_TX39XX 1698 bool 1699 1700config SYS_HAS_CPU_VR41XX 1701 bool 1702 1703config SYS_HAS_CPU_R4300 1704 bool 1705 1706config SYS_HAS_CPU_R4X00 1707 bool 1708 1709config SYS_HAS_CPU_TX49XX 1710 bool 1711 1712config SYS_HAS_CPU_R5000 1713 bool 1714 1715config SYS_HAS_CPU_R5432 1716 bool 1717 1718config SYS_HAS_CPU_R5500 1719 bool 1720 1721config SYS_HAS_CPU_R6000 1722 bool 1723 1724config SYS_HAS_CPU_NEVADA 1725 bool 1726 1727config SYS_HAS_CPU_R8000 1728 bool 1729 1730config SYS_HAS_CPU_R10000 1731 bool 1732 1733config SYS_HAS_CPU_RM7000 1734 bool 1735 1736config SYS_HAS_CPU_SB1 1737 bool 1738 1739config SYS_HAS_CPU_CAVIUM_OCTEON 1740 bool 1741 1742config SYS_HAS_CPU_BMIPS3300 1743 bool 1744 1745config SYS_HAS_CPU_BMIPS4350 1746 bool 1747 1748config SYS_HAS_CPU_BMIPS4380 1749 bool 1750 1751config SYS_HAS_CPU_BMIPS5000 1752 bool 1753 1754config SYS_HAS_CPU_XLR 1755 bool 1756 1757config SYS_HAS_CPU_XLP 1758 bool 1759 1760# 1761# CPU may reorder R->R, R->W, W->R, W->W 1762# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1763# 1764config WEAK_ORDERING 1765 bool 1766 1767# 1768# CPU may reorder reads and writes beyond LL/SC 1769# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1770# 1771config WEAK_REORDERING_BEYOND_LLSC 1772 bool 1773endmenu 1774 1775# 1776# These two indicate any level of the MIPS32 and MIPS64 architecture 1777# 1778config CPU_MIPS32 1779 bool 1780 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 1781 1782config CPU_MIPS64 1783 bool 1784 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 1785 1786# 1787# These two indicate the revision of the architecture, either Release 1 or Release 2 1788# 1789config CPU_MIPSR1 1790 bool 1791 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1792 1793config CPU_MIPSR2 1794 bool 1795 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1796 1797config GENERIC_CSUM 1798 bool 1799 1800config CPU_MIPSR6 1801 bool 1802 default y if CPU_MIPS64_R6 || CPU_MIPS32_R6 1803 select GENERIC_CSUM 1804 1805config EVA 1806 bool 1807 1808config SYS_SUPPORTS_32BIT_KERNEL 1809 bool 1810config SYS_SUPPORTS_64BIT_KERNEL 1811 bool 1812config CPU_SUPPORTS_32BIT_KERNEL 1813 bool 1814config CPU_SUPPORTS_64BIT_KERNEL 1815 bool 1816config CPU_SUPPORTS_CPUFREQ 1817 bool 1818config CPU_SUPPORTS_ADDRWINCFG 1819 bool 1820config CPU_SUPPORTS_HUGEPAGES 1821 bool 1822config CPU_SUPPORTS_UNCACHED_ACCELERATED 1823 bool 1824config MIPS_PGD_C0_CONTEXT 1825 bool 1826 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 1827 1828# 1829# Set to y for ptrace access to watch registers. 1830# 1831config HARDWARE_WATCHPOINTS 1832 bool 1833 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 1834 1835menu "Kernel type" 1836 1837choice 1838 prompt "Kernel code model" 1839 help 1840 You should only select this option if you have a workload that 1841 actually benefits from 64-bit processing or if your machine has 1842 large memory. You will only be presented a single option in this 1843 menu if your system does not support both 32-bit and 64-bit kernels. 1844 1845config 32BIT 1846 bool "32-bit kernel" 1847 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 1848 select TRAD_SIGNALS 1849 help 1850 Select this option if you want to build a 32-bit kernel. 1851config 64BIT 1852 bool "64-bit kernel" 1853 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1854 help 1855 Select this option if you want to build a 64-bit kernel. 1856 1857endchoice 1858 1859config KVM_GUEST 1860 bool "KVM Guest Kernel" 1861 help 1862 Select this option if building a guest kernel for KVM (Trap & Emulate) mode 1863 1864config KVM_HOST_FREQ 1865 int "KVM Host Processor Frequency (MHz)" 1866 depends on KVM_GUEST 1867 default 500 1868 help 1869 Select this option if building a guest kernel for KVM to skip 1870 RTC emulation when determining guest CPU Frequency. Instead, the guest 1871 processor frequency is automatically derived from the host frequency. 1872 1873config 64BIT_PHYS_ADDR 1874 bool "Kernel supports 64 bit physical addresses" if EXPERIMENTAL 1875 depends on 64BIT 1876 help 1877 Defines 64 bit physical addresses in kernel. 1878 Increases page table sizes. 1879 1880 It is an alternative for HIGHMEM usage of huge physical memory. 1881 Requires 64bit capable CPU and 64 bit kernel code model. 1882 1883 Note: without this option kernel can support up to 4GB physical 1884 memory for 4KB pages and up to 64GB for 64KB pages. 1885 1886config ARCH_PHYS_ADDR_T_64BIT 1887 def_bool 64BIT_PHYS_ADDR 1888 1889 1890choice 1891 prompt "Kernel page size" 1892 default PAGE_SIZE_4KB 1893 1894config PAGE_SIZE_4KB 1895 bool "4kB" 1896 depends on !CPU_LOONGSON2 1897 help 1898 This option select the standard 4kB Linux page size. On some 1899 R3000-family processors this is the only available page size. Using 1900 4kB page size will minimize memory consumption and is therefore 1901 recommended for low memory systems. 1902 1903config PAGE_SIZE_8KB 1904 bool "8kB" 1905 depends on CPU_R8000 || CPU_CAVIUM_OCTEON 1906 help 1907 Using 8kB page size will result in higher performance kernel at 1908 the price of higher memory consumption. This option is available 1909 only on R8000 and cnMIPS processors. Note that you will need a 1910 suitable Linux distribution to support this. 1911 1912config PAGE_SIZE_16KB 1913 bool "16kB" 1914 depends on !CPU_R3000 && !CPU_TX39XX 1915 help 1916 Using 16kB page size will result in higher performance kernel at 1917 the price of higher memory consumption. This option is available on 1918 all non-R3000 family processors. Note that you will need a suitable 1919 Linux distribution to support this. 1920 1921config PAGE_SIZE_32KB 1922 bool "32kB" 1923 depends on CPU_CAVIUM_OCTEON 1924 help 1925 Using 32kB page size will result in higher performance kernel at 1926 the price of higher memory consumption. This option is available 1927 only on cnMIPS cores. Note that you will need a suitable Linux 1928 distribution to support this. 1929 1930config PAGE_SIZE_64KB 1931 bool "64kB" 1932 depends on !CPU_R3000 && !CPU_TX39XX 1933 help 1934 Using 64kB page size will result in higher performance kernel at 1935 the price of higher memory consumption. This option is available on 1936 all non-R3000 family processor. Not that at the time of this 1937 writing this option is still high experimental. 1938 1939endchoice 1940 1941config 48VMBITS 1942 bool "48 bits virtual memory" 1943 depends on PAGE_SIZE_16KB || PAGE_SIZE_64KB 1944 depends on 64BIT 1945 help 1946 Define a maximum at least 48 bits of application virtual memory. 1947 Default is 40 bits or less, depending from CPU. 1948 In generic (small) application it is a small set of pages increase 1949 in page tables. 1950 If unsure, say N. 1951 1952config FORCE_MAX_ZONEORDER 1953 int "Maximum zone order" 1954 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB 1955 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB 1956 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB 1957 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB 1958 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB 1959 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB 1960 range 11 64 1961 default "11" 1962 help 1963 The kernel memory allocator divides physically contiguous memory 1964 blocks into "zones", where each zone is a power of two number of 1965 pages. This option selects the largest power of two that the kernel 1966 keeps in the memory allocator. If you need to allocate very large 1967 blocks of physically contiguous memory, then you may need to 1968 increase this value. 1969 1970 This config option is actually maximum order plus one. For example, 1971 a value of 11 means that the largest free memory block is 2^10 pages. 1972 1973 The page size is not necessarily 4KB. Keep this in mind 1974 when choosing a value for this option. 1975 1976config CEVT_GIC 1977 bool "Use GIC global counter for clock events" 1978 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC) 1979 help 1980 Use the GIC global counter for the clock events. The R4K clock 1981 event driver is always present, so if the platform ends up not 1982 detecting a GIC, it will fall back to the R4K timer for the 1983 generation of clock events. 1984 1985config BOARD_SCACHE 1986 bool 1987 1988config IP22_CPU_SCACHE 1989 bool 1990 select BOARD_SCACHE 1991 1992# 1993# Support for a MIPS32 / MIPS64 style S-caches 1994# 1995config MIPS_CPU_SCACHE 1996 bool 1997 select BOARD_SCACHE 1998 1999config R5000_CPU_SCACHE 2000 bool 2001 select BOARD_SCACHE 2002 2003config RM7000_CPU_SCACHE 2004 bool 2005 select BOARD_SCACHE 2006 2007config SIBYTE_DMA_PAGEOPS 2008 bool "Use DMA to clear/copy pages" 2009 depends on CPU_SB1 2010 help 2011 Instead of using the CPU to zero and copy pages, use a Data Mover 2012 channel. These DMA channels are otherwise unused by the standard 2013 SiByte Linux port. Seems to give a small performance benefit. 2014 2015config CPU_HAS_PREFETCH 2016 bool 2017 2018config CPU_GENERIC_DUMP_TLB 2019 bool 2020 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 2021 2022config CPU_R4K_FPU 2023 bool 2024 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 2025 2026config CPU_R4K_CACHE_TLB 2027 bool 2028 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 2029 2030choice 2031 prompt "MIPS MT options" 2032 2033config MIPS_MT_DISABLED 2034 bool "Disable multithreading support" 2035 help 2036 Use this option if your platform does not support the MT ASE 2037 which is hardware multithreading support. On systems without 2038 an MT-enabled processor, this will be the only option that is 2039 available in this menu. 2040 2041config MIPS_MT_SMP 2042 bool "Use 1 TC on each available VPE for SMP" 2043 depends on SYS_SUPPORTS_MULTITHREADING 2044 select CPU_MIPSR2_IRQ_VI 2045 select CPU_MIPSR2_IRQ_EI 2046 select SYNC_R4K 2047 select MIPS_MT 2048 select SMP 2049 select SMP_UP 2050 select SYS_SUPPORTS_SMP 2051 select SYS_SUPPORTS_SCHED_SMT 2052 select MIPS_PERF_SHARED_TC_COUNTERS 2053 help 2054 This is a kernel model which is known as SMVP. This is supported 2055 on cores with the MT ASE and uses the available VPEs to implement 2056 virtual processors which supports SMP. This is equivalent to the 2057 Intel Hyperthreading feature. For further information go to 2058 <http://www.imgtec.com/mips/mips-multithreading.asp>. 2059 2060config MIPS_MT_SMTC 2061 bool "Use all TCs on all VPEs for SMP (DEPRECATED)" 2062 depends on CPU_MIPS32_R2 2063 #depends on CPU_MIPS64_R2 # once there is hardware ... 2064 depends on SYS_SUPPORTS_MULTITHREADING 2065 depends on !CPU_MIPSR6 2066 select CPU_MIPSR2_IRQ_VI 2067 select CPU_MIPSR2_IRQ_EI 2068 select MIPS_MT 2069 select SMP 2070 select SMP_UP 2071 select SYS_SUPPORTS_SMP 2072 select NR_CPUS_DEFAULT_8 2073 help 2074 This is a kernel model which is known as SMTC. This is 2075 supported on cores with the MT ASE and presents all TCs 2076 available on all VPEs to support SMP. For further 2077 information see <http://www.linux-mips.org/wiki/34K#SMTC>. 2078 2079endchoice 2080 2081config MIPS_MT 2082 bool 2083 2084config SCHED_SMT 2085 bool "SMT (multithreading) scheduler support" 2086 depends on SYS_SUPPORTS_SCHED_SMT 2087 default n 2088 help 2089 SMT scheduler support improves the CPU scheduler's decision making 2090 when dealing with MIPS MT enabled cores at a cost of slightly 2091 increased overhead in some places. If unsure say N here. 2092 2093config SYS_SUPPORTS_SCHED_SMT 2094 bool 2095 2096config SYS_SUPPORTS_MULTITHREADING 2097 bool 2098 2099config MIPS_MT_FPAFF 2100 bool "Dynamic FPU affinity for FP-intensive threads" 2101 default y 2102 depends on MIPS_MT_SMP || MIPS_MT_SMTC 2103 2104config MIPS_INCOMPATIBLE_ARCH_EMULATION 2105 bool "Emulation of incompatible architecture" 2106 default y if CPU_MIPSR6 2107 help 2108 Emulation of 32x32bit or 32x64bit FPU ELFs on incompatible FPU. 2109 CP0_Status.FR bit controls switch between both models but 2110 some CPU may not have this capability. 2111 It also can emulate MIPS32/64 R2 architecture on MIPS R6. 2112 If unsure, leave N here. 2113 2114config MIPS_GOLDFISH_SWITCH 2115 bool "MIPS Goldfish switch class driver" 2116 default n 2117 depends on MIPS_RANCHU 2118 help 2119 Goldfish switch driver implementation for MIPS. 2120 2121config MIPS_VPE_LOADER 2122 bool "VPE loader support." 2123 depends on SYS_SUPPORTS_MULTITHREADING 2124 select CPU_MIPSR2_IRQ_VI 2125 select CPU_MIPSR2_IRQ_EI 2126 select MIPS_MT 2127 help 2128 Includes a loader for loading an elf relocatable object 2129 onto another VPE and running it. 2130 2131config MIPS_MT_SMTC_IM_BACKSTOP 2132 bool "Use per-TC register bits as backstop for inhibited IM bits" 2133 depends on MIPS_MT_SMTC 2134 default n 2135 help 2136 To support multiple TC microthreads acting as "CPUs" within 2137 a VPE, VPE-wide interrupt mask bits must be specially manipulated 2138 during interrupt handling. To support legacy drivers and interrupt 2139 controller management code, SMTC has a "backstop" to track and 2140 if necessary restore the interrupt mask. This has some performance 2141 impact on interrupt service overhead. 2142 2143config MIPS_MT_SMTC_IRQAFF 2144 bool "Support IRQ affinity API" 2145 depends on MIPS_MT_SMTC 2146 default n 2147 help 2148 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 2149 for SMTC Linux kernel. Requires platform support, of which 2150 an example can be found in the MIPS kernel i8259 and Malta 2151 platform code. Adds some overhead to interrupt dispatch, and 2152 should be used only if you know what you are doing. 2153 2154config MIPS_VPE_LOADER_TOM 2155 bool "Load VPE program into memory hidden from linux" 2156 depends on MIPS_VPE_LOADER 2157 default y 2158 help 2159 The loader can use memory that is present but has been hidden from 2160 Linux using the kernel command line option "mem=xxMB". It's up to 2161 you to ensure the amount you put in the option and the space your 2162 program requires is less or equal to the amount physically present. 2163 2164# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 2165config MIPS_VPE_APSP_API 2166 bool "Enable support for AP/SP API (RTLX)" 2167 depends on MIPS_VPE_LOADER 2168 help 2169 2170config MIPS_CMP 2171 bool "MIPS CMP support" 2172 depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC && !CPU_MIPSR1 2173 select SYNC_R4K 2174 select WEAK_ORDERING 2175 default n 2176 help 2177 Enable Coherency Manager processor (CMP) support. 2178 2179config SB1_PASS_1_WORKAROUNDS 2180 bool 2181 depends on CPU_SB1_PASS_1 2182 default y 2183 2184config SB1_PASS_2_WORKAROUNDS 2185 bool 2186 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 2187 default y 2188 2189config SB1_PASS_2_1_WORKAROUNDS 2190 bool 2191 depends on CPU_SB1 && CPU_SB1_PASS_2 2192 default y 2193 2194 2195config CPU_HAS_SMARTMIPS 2196 depends on SYS_SUPPORTS_SMARTMIPS 2197 bool "Support for the SmartMIPS ASE" 2198 help 2199 SmartMIPS is a extension of the MIPS32 architecture aimed at 2200 increased security at both hardware and software level for 2201 smartcards. Enabling this option will allow proper use of the 2202 SmartMIPS instructions by Linux applications. However a kernel with 2203 this option will not work on a MIPS core without SmartMIPS core. If 2204 you don't know you probably don't have SmartMIPS and should say N 2205 here. 2206 2207config CPU_MICROMIPS 2208 depends on SYS_SUPPORTS_MICROMIPS 2209 bool "Build kernel using microMIPS ISA" 2210 help 2211 When this option is enabled the kernel will be built using the 2212 microMIPS ISA 2213 2214config CPU_HAS_MSA 2215 bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2216 depends on CPU_SUPPORTS_MSA 2217 default y 2218 help 2219 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2220 and a set of SIMD instructions to operate on them. When this option 2221 is enabled the kernel will support allocating & switching MSA 2222 vector register contexts. If you know that your kernel will only be 2223 running on CPUs which do not support MSA or that your userland will 2224 not be making use of it then you may wish to say N here to reduce 2225 the size & complexity of your kernel. 2226 2227 If unsure, say Y. 2228 2229config CPU_HAS_WB 2230 bool 2231 2232config XKS01 2233 bool 2234 2235# 2236# Vectored interrupt mode is an R2 feature 2237# 2238config CPU_MIPSR2_IRQ_VI 2239 bool 2240 2241# 2242# Extended interrupt mode is an R2 feature 2243# 2244config CPU_MIPSR2_IRQ_EI 2245 bool 2246 2247config CPU_HAS_SYNC 2248 bool 2249 depends on !CPU_R3000 2250 default y 2251 2252# 2253# CPU non-features 2254# 2255config CPU_DADDI_WORKAROUNDS 2256 bool 2257 2258config CPU_R4000_WORKAROUNDS 2259 bool 2260 select CPU_R4400_WORKAROUNDS 2261 2262config CPU_R4400_WORKAROUNDS 2263 bool 2264 2265# 2266# - Highmem only makes sense for the 32-bit kernel. 2267# - The current highmem code will only work properly on physically indexed 2268# caches such as R3000, SB1, R7000 or those that look like they're virtually 2269# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 2270# moment we protect the user and offer the highmem option only on machines 2271# where it's known to be safe. This will not offer highmem on a few systems 2272# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 2273# indexed CPUs but we're playing safe. 2274# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2275# know they might have memory configurations that could make use of highmem 2276# support. 2277# 2278config HIGHMEM 2279 bool "High Memory Support" 2280 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 2281 depends on ( !SMP || NR_CPUS = 1 || NR_CPUS = 2 || NR_CPUS = 3 || NR_CPUS = 4 || NR_CPUS = 5 || NR_CPUS = 6 || NR_CPUS = 7 || NR_CPUS = 8 ) 2282 depends on !CPU_MIPS32_R2_EVA 2283 2284config CPU_SUPPORTS_HIGHMEM 2285 bool 2286 2287config SYS_SUPPORTS_HIGHMEM 2288 bool 2289 2290config SYS_SUPPORTS_SMARTMIPS 2291 bool 2292 2293config SYS_SUPPORTS_MICROMIPS 2294 bool 2295 2296config CPU_SUPPORTS_MSA 2297 bool 2298 2299config ARCH_FLATMEM_ENABLE 2300 def_bool y 2301 depends on !NUMA && !CPU_LOONGSON2 2302 2303config ARCH_DISCONTIGMEM_ENABLE 2304 bool 2305 default y if SGI_IP27 2306 help 2307 Say Y to support efficient handling of discontiguous physical memory, 2308 for architectures which are either NUMA (Non-Uniform Memory Access) 2309 or have huge holes in the physical address space for other reasons. 2310 See <file:Documentation/vm/numa> for more. 2311 2312config ARCH_SPARSEMEM_ENABLE 2313 bool 2314 select SPARSEMEM_STATIC 2315 2316config NUMA 2317 bool "NUMA Support" 2318 depends on SYS_SUPPORTS_NUMA 2319 help 2320 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2321 Access). This option improves performance on systems with more 2322 than two nodes; on two node systems it is generally better to 2323 leave it disabled; on single node systems disable this option 2324 disabled. 2325 2326config SYS_SUPPORTS_NUMA 2327 bool 2328 2329config NODES_SHIFT 2330 int 2331 default "6" 2332 depends on NEED_MULTIPLE_NODES 2333 2334config HW_PERF_EVENTS 2335 bool "Enable hardware performance counter support for perf events" 2336 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 2337 default y 2338 help 2339 Enable hardware performance counter support for perf events. If 2340 disabled, perf events will use software events only. 2341 2342source "mm/Kconfig" 2343 2344config SMP 2345 bool "Multi-Processing support" 2346 depends on SYS_SUPPORTS_SMP 2347 select USE_GENERIC_SMP_HELPERS 2348 help 2349 This enables support for systems with more than one CPU. If you have 2350 a system with only one CPU, like most personal computers, say N. If 2351 you have a system with more than one CPU, say Y. 2352 2353 If you say N here, the kernel will run on single and multiprocessor 2354 machines, but will use only one CPU of a multiprocessor machine. If 2355 you say Y here, the kernel will run on many, but not all, 2356 singleprocessor machines. On a singleprocessor machine, the kernel 2357 will run faster if you say N here. 2358 2359 People using multiprocessor machines who say Y here should also say 2360 Y to "Enhanced Real Time Clock Support", below. 2361 2362 See also the SMP-HOWTO available at 2363 <http://www.tldp.org/docs.html#howto>. 2364 2365 If you don't know what to do here, say N. 2366 2367config SMP_UP 2368 bool 2369 2370config SYS_SUPPORTS_MIPS_CMP 2371 bool 2372 2373config SYS_SUPPORTS_SMP 2374 bool 2375 2376config NR_CPUS_DEFAULT_4 2377 bool 2378 2379config NR_CPUS_DEFAULT_8 2380 bool 2381 2382config NR_CPUS_DEFAULT_16 2383 bool 2384 2385config NR_CPUS_DEFAULT_32 2386 bool 2387 2388config NR_CPUS_DEFAULT_64 2389 bool 2390 2391config NR_CPUS 2392 int "Maximum number of CPUs (2-64)" 2393 range 2 64 2394 depends on SMP 2395 default "4" if NR_CPUS_DEFAULT_4 2396 default "8" if NR_CPUS_DEFAULT_8 2397 default "16" if NR_CPUS_DEFAULT_16 2398 default "32" if NR_CPUS_DEFAULT_32 2399 default "64" if NR_CPUS_DEFAULT_64 2400 help 2401 This allows you to specify the maximum number of CPUs which this 2402 kernel will support. The maximum supported value is 32 for 32-bit 2403 kernel and 64 for 64-bit kernels; the minimum value which makes 2404 sense is 1 for Qemu (useful only for kernel debugging purposes) 2405 and 2 for all others. 2406 2407 This is purely to save memory - each supported CPU adds 2408 approximately eight kilobytes to the kernel image. For best 2409 performance should round up your number of processors to the next 2410 power of two. 2411 2412config MIPS_PERF_SHARED_TC_COUNTERS 2413 bool 2414 2415# 2416# Timer Interrupt Frequency Configuration 2417# 2418 2419choice 2420 prompt "Timer frequency" 2421 default HZ_250 2422 help 2423 Allows the configuration of the timer frequency. 2424 2425 config HZ_48 2426 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 2427 2428 config HZ_100 2429 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 2430 2431 config HZ_128 2432 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 2433 2434 config HZ_250 2435 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 2436 2437 config HZ_256 2438 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 2439 2440 config HZ_1000 2441 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 2442 2443 config HZ_1024 2444 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 2445 2446endchoice 2447 2448config SYS_SUPPORTS_48HZ 2449 bool 2450 2451config SYS_SUPPORTS_100HZ 2452 bool 2453 2454config SYS_SUPPORTS_128HZ 2455 bool 2456 2457config SYS_SUPPORTS_250HZ 2458 bool 2459 2460config SYS_SUPPORTS_256HZ 2461 bool 2462 2463config SYS_SUPPORTS_1000HZ 2464 bool 2465 2466config SYS_SUPPORTS_1024HZ 2467 bool 2468 2469config SYS_SUPPORTS_ARBIT_HZ 2470 bool 2471 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 2472 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 2473 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 2474 !SYS_SUPPORTS_1024HZ 2475 2476config HZ 2477 int 2478 default 48 if HZ_48 2479 default 100 if HZ_100 2480 default 128 if HZ_128 2481 default 250 if HZ_250 2482 default 256 if HZ_256 2483 default 1000 if HZ_1000 2484 default 1024 if HZ_1024 2485 2486source "kernel/Kconfig.preempt" 2487 2488config KEXEC 2489 bool "Kexec system call" 2490 help 2491 kexec is a system call that implements the ability to shutdown your 2492 current kernel, and to start another kernel. It is like a reboot 2493 but it is independent of the system firmware. And like a reboot 2494 you can start any kernel with it, not just Linux. 2495 2496 The name comes from the similarity to the exec system call. 2497 2498 It is an ongoing process to be certain the hardware in a machine 2499 is properly shutdown, so do not be surprised if this code does not 2500 initially work for you. It may help to enable device hotplugging 2501 support. As of this writing the exact hardware interface is 2502 strongly in flux, so no good recommendation can be made. 2503 2504config CRASH_DUMP 2505 bool "Kernel crash dumps" 2506 help 2507 Generate crash dump after being started by kexec. 2508 This should be normally only set in special crash dump kernels 2509 which are loaded in the main kernel with kexec-tools into 2510 a specially reserved region and then later executed after 2511 a crash by kdump/kexec. The crash dump kernel must be compiled 2512 to a memory address not used by the main kernel or firmware using 2513 PHYSICAL_START. 2514 2515config PHYSICAL_START 2516 hex "Physical address where the kernel is loaded" 2517 default "0xffffffff84000000" if 64BIT 2518 default "0x84000000" if 32BIT 2519 depends on CRASH_DUMP 2520 help 2521 This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 2522 If you plan to use kernel for capturing the crash dump change 2523 this value to start of the reserved region (the "X" value as 2524 specified in the "crashkernel=YM@XM" command line boot parameter 2525 passed to the panic-ed kernel). 2526 2527config SECCOMP 2528 bool "Enable seccomp to safely compute untrusted bytecode" 2529 depends on PROC_FS 2530 default y 2531 help 2532 This kernel feature is useful for number crunching applications 2533 that may need to compute untrusted bytecode during their 2534 execution. By using pipes or other transports made available to 2535 the process as file descriptors supporting the read/write 2536 syscalls, it's possible to isolate those applications in 2537 their own address space using seccomp. Once seccomp is 2538 enabled via /proc/<pid>/seccomp, it cannot be disabled 2539 and the task is only allowed to execute a few safe syscalls 2540 defined by each seccomp mode. 2541 2542 If unsure, say Y. Only embedded should say N here. 2543 2544config USE_OF 2545 bool 2546 select OF 2547 select OF_EARLY_FLATTREE 2548 select IRQ_DOMAIN 2549 2550config MIPS_APPENDED_DTB 2551 bool "Use appended device tree blob to vmlinux.bin (EXPERIMENTAL)" 2552 depends on OF && MIPS_RANCHU 2553 help 2554 With this option, the boot code will look for a device tree binary 2555 DTB) appended to raw vmlinux.bin (without decompressor). 2556 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 2557 2558 Beware that there is very little in terms of protection against 2559 this option being confused by leftover garbage in memory that might 2560 look like a DTB header after a reboot if no actual DTB is appended 2561 to vmlinux.bin. Do not leave this option active in a production kernel 2562 if you don't intend to always append a DTB. 2563 2564endmenu 2565 2566config LOCKDEP_SUPPORT 2567 bool 2568 default y 2569 2570config STACKTRACE_SUPPORT 2571 bool 2572 default y 2573 2574source "init/Kconfig" 2575 2576source "kernel/Kconfig.freezer" 2577 2578menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 2579 2580config HW_HAS_EISA 2581 bool 2582config HW_HAS_PCI 2583 bool 2584 2585config PCI 2586 bool "Support for PCI controller" 2587 depends on HW_HAS_PCI 2588 select PCI_DOMAINS 2589 select NO_GENERIC_PCI_IOPORT_MAP 2590 help 2591 Find out whether you have a PCI motherboard. PCI is the name of a 2592 bus system, i.e. the way the CPU talks to the other stuff inside 2593 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 2594 say Y, otherwise N. 2595 2596config PCI_DOMAINS 2597 bool 2598 2599source "drivers/pci/Kconfig" 2600 2601source "drivers/pci/pcie/Kconfig" 2602 2603# 2604# ISA support is now enabled via select. Too many systems still have the one 2605# or other ISA chip on the board that users don't know about so don't expect 2606# users to choose the right thing ... 2607# 2608config ISA 2609 bool 2610 2611config EISA 2612 bool "EISA support" 2613 depends on HW_HAS_EISA 2614 select ISA 2615 select GENERIC_ISA_DMA 2616 ---help--- 2617 The Extended Industry Standard Architecture (EISA) bus was 2618 developed as an open alternative to the IBM MicroChannel bus. 2619 2620 The EISA bus provided some of the features of the IBM MicroChannel 2621 bus while maintaining backward compatibility with cards made for 2622 the older ISA bus. The EISA bus saw limited use between 1988 and 2623 1995 when it was made obsolete by the PCI bus. 2624 2625 Say Y here if you are building a kernel for an EISA-based machine. 2626 2627 Otherwise, say N. 2628 2629source "drivers/eisa/Kconfig" 2630 2631config TC 2632 bool "TURBOchannel support" 2633 depends on MACH_DECSTATION 2634 help 2635 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 2636 processors. TURBOchannel programming specifications are available 2637 at: 2638 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 2639 and: 2640 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 2641 Linux driver support status is documented at: 2642 <http://www.linux-mips.org/wiki/DECstation> 2643 2644config MMU 2645 bool 2646 default y 2647 2648config ARCH_MMAP_RND_BITS_MIN 2649 default 12 if 64BIT 2650 default 8 2651 2652config ARCH_MMAP_RND_BITS_MAX 2653 default 18 if 64BIT 2654 default 15 2655 2656config ARCH_MMAP_RND_COMPAT_BITS_MIN 2657 default 8 2658 2659config ARCH_MMAP_RND_COMPAT_BITS_MAX 2660 default 15 2661 2662config I8253 2663 bool 2664 select CLKSRC_I8253 2665 select CLKEVT_I8253 2666 select MIPS_EXTERNAL_TIMER 2667 2668config ZONE_DMA32 2669 bool 2670 2671source "drivers/pcmcia/Kconfig" 2672 2673source "drivers/pci/hotplug/Kconfig" 2674 2675config RAPIDIO 2676 bool "RapidIO support" 2677 depends on PCI 2678 default n 2679 help 2680 If you say Y here, the kernel will include drivers and 2681 infrastructure code to support RapidIO interconnect devices. 2682 2683source "drivers/rapidio/Kconfig" 2684 2685endmenu 2686 2687menu "Executable file formats" 2688 2689source "fs/Kconfig.binfmt" 2690 2691config TRAD_SIGNALS 2692 bool 2693 2694config MIPS32_COMPAT 2695 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2696 depends on 64BIT 2697 default y if CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2698 help 2699 Select this option if you want Linux/MIPS 32-bit binary 2700 compatibility. Since all software available for Linux/MIPS is 2701 currently 32-bit you should say Y here. 2702 2703config COMPAT 2704 bool 2705 depends on MIPS32_COMPAT 2706 select ARCH_WANT_OLD_COMPAT_IPC 2707 default y 2708 2709config SYSVIPC_COMPAT 2710 bool 2711 depends on COMPAT && SYSVIPC 2712 default y 2713 2714config MIPS32_O32 2715 bool "Kernel support for o32 binaries" 2716 depends on MIPS32_COMPAT 2717 default y if CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2718 help 2719 Select this option if you want to run o32 binaries. These are pure 2720 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 2721 existing binaries are in this format. 2722 2723 If unsure, say Y. 2724 2725config MIPS32_N32 2726 bool "Kernel support for n32 binaries" 2727 depends on MIPS32_COMPAT 2728 help 2729 Select this option if you want to run n32 binaries. These are 2730 64-bit binaries using 32-bit quantities for addressing and certain 2731 data that would normally be 64-bit. They are used in special 2732 cases. 2733 2734 If unsure, say N. 2735 2736comment "64bit kernel, but support of 32bit applications is disabled!" 2737 depends on 64BIT && !MIPS32_O32 && !MIPS32_N32 2738 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2739 2740config BINFMT_ELF32 2741 bool 2742 default y if MIPS32_O32 || MIPS32_N32 2743 2744endmenu 2745 2746menu "Power management options" 2747 2748config ARCH_HIBERNATION_POSSIBLE 2749 def_bool y 2750 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2751 2752config ARCH_SUSPEND_POSSIBLE 2753 def_bool y 2754 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2755 2756source "kernel/power/Kconfig" 2757 2758endmenu 2759 2760config MIPS_EXTERNAL_TIMER 2761 bool 2762 2763if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 2764menu "CPU Power Management" 2765source "drivers/cpufreq/Kconfig" 2766endmenu 2767endif 2768 2769source "net/Kconfig" 2770 2771source "drivers/Kconfig" 2772 2773source "drivers/firmware/Kconfig" 2774 2775source "fs/Kconfig" 2776 2777source "arch/mips/Kconfig.debug" 2778 2779source "security/Kconfig" 2780 2781source "crypto/Kconfig" 2782 2783source "lib/Kconfig" 2784 2785source "arch/mips/kvm/Kconfig" 2786