1config MIPS 2 bool 3 default y 4 # Horrible source of confusion. Die, die, die ... 5 select EMBEDDED 6 7# shouldn't it be per-subarchitecture? 8config ARCH_MAY_HAVE_PC_FDC 9 bool 10 default y 11 12mainmenu "Linux/MIPS Kernel Configuration" 13 14source "init/Kconfig" 15 16config SYS_SUPPORTS_32BIT_KERNEL 17 bool 18config SYS_SUPPORTS_64BIT_KERNEL 19 bool 20config CPU_SUPPORTS_32BIT_KERNEL 21 bool 22config CPU_SUPPORTS_64BIT_KERNEL 23 bool 24 25menu "Kernel type" 26 27choice 28 29 prompt "Kernel code model" 30 help 31 You should only select this option if you have a workload that 32 actually benefits from 64-bit processing or if your machine has 33 large memory. You will only be presented a single option in this 34 menu if your system does not support both 32-bit and 64-bit kernels. 35 36config 32BIT 37 bool "32-bit kernel" 38 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 39 select TRAD_SIGNALS 40 help 41 Select this option if you want to build a 32-bit kernel. 42 43config 64BIT 44 bool "64-bit kernel" 45 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 46 help 47 Select this option if you want to build a 64-bit kernel. 48 49endchoice 50 51endmenu 52 53menu "Machine selection" 54 55config MACH_JAZZ 56 bool "Support for the Jazz family of machines" 57 select ARC 58 select ARC32 59 select GENERIC_ISA_DMA 60 select I8259 61 select ISA 62 select SYS_SUPPORTS_32BIT_KERNEL 63 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 64 help 65 This a family of machines based on the MIPS R4030 chipset which was 66 used by several vendors to build RISC/os and Windows NT workstations. 67 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 68 Olivetti M700-10 workstations. 69 70config ACER_PICA_61 71 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)" 72 depends on MACH_JAZZ && EXPERIMENTAL 73 select DMA_NONCOHERENT 74 help 75 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux 76 kernel that runs on these, say Y here. For details about Linux on 77 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at 78 <http://www.linux-mips.org/>. 79 80config MIPS_MAGNUM_4000 81 bool "Support for MIPS Magnum 4000" 82 depends on MACH_JAZZ 83 select DMA_NONCOHERENT 84 help 85 This is a machine with a R4000 100 MHz CPU. To compile a Linux 86 kernel that runs on these, say Y here. For details about Linux on 87 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at 88 <http://www.linux-mips.org/>. 89 90config OLIVETTI_M700 91 bool "Support for Olivetti M700-10" 92 depends on MACH_JAZZ 93 select DMA_NONCOHERENT 94 help 95 This is a machine with a R4000 100 MHz CPU. To compile a Linux 96 kernel that runs on these, say Y here. For details about Linux on 97 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at 98 <http://www.linux-mips.org/>. 99 100config MACH_VR41XX 101 bool "Support for NEC VR4100 series based machines" 102 select SYS_SUPPORTS_32BIT_KERNEL 103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 104 105config NEC_CMBVR4133 106 bool "Support for NEC CMB-VR4133" 107 depends on MACH_VR41XX 108 select CPU_VR41XX 109 select DMA_NONCOHERENT 110 select IRQ_CPU 111 select HW_HAS_PCI 112 113config ROCKHOPPER 114 bool "Support for Rockhopper baseboard" 115 depends on NEC_CMBVR4133 116 select I8259 117 select HAVE_STD_PC_SERIAL_PORT 118 119config CASIO_E55 120 bool "Support for CASIO CASSIOPEIA E-10/15/55/65" 121 depends on MACH_VR41XX 122 select CPU_LITTLE_ENDIAN 123 select DMA_NONCOHERENT 124 select IRQ_CPU 125 select ISA 126 127config IBM_WORKPAD 128 bool "Support for IBM WorkPad z50" 129 depends on MACH_VR41XX 130 select CPU_LITTLE_ENDIAN 131 select DMA_NONCOHERENT 132 select IRQ_CPU 133 select ISA 134 135config TANBAC_TB022X 136 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM" 137 depends on MACH_VR41XX 138 select CPU_LITTLE_ENDIAN 139 select DMA_NONCOHERENT 140 select IRQ_CPU 141 select HW_HAS_PCI 142 help 143 The TANBAC VR4131 multichip module(TB0225) and 144 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms 145 manufactured by TANBAC. 146 Please refer to <http://www.tanbac.co.jp/> 147 about VR4131 multichip module and VR4131DIMM. 148 149config TANBAC_TB0226 150 bool "Support for TANBAC Mbase(TB0226)" 151 depends on TANBAC_TB022X 152 select GPIO_VR41XX 153 help 154 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC. 155 Please refer to <http://www.tanbac.co.jp/> about Mbase. 156 157config TANBAC_TB0287 158 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)" 159 depends on TANBAC_TB022X 160 help 161 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC. 162 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base. 163 164config VICTOR_MPC30X 165 bool "Support for Victor MP-C303/304" 166 depends on MACH_VR41XX 167 select CPU_LITTLE_ENDIAN 168 select DMA_NONCOHERENT 169 select IRQ_CPU 170 select HW_HAS_PCI 171 172config ZAO_CAPCELLA 173 bool "Support for ZAO Networks Capcella" 174 depends on MACH_VR41XX 175 select CPU_LITTLE_ENDIAN 176 select DMA_NONCOHERENT 177 select IRQ_CPU 178 select HW_HAS_PCI 179 180config PCI_VR41XX 181 bool "Add PCI control unit support of NEC VR4100 series" 182 depends on MACH_VR41XX && HW_HAS_PCI 183 default y 184 select PCI 185 186config VRC4173 187 tristate "Add NEC VRC4173 companion chip support" 188 depends on MACH_VR41XX && PCI_VR41XX 189 ---help--- 190 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131. 191 192config TOSHIBA_JMR3927 193 bool "Support for Toshiba JMR-TX3927 board" 194 select DMA_NONCOHERENT 195 select HW_HAS_PCI 196 select SWAP_IO_SPACE 197 select SYS_SUPPORTS_32BIT_KERNEL 198 199config MIPS_COBALT 200 bool "Support for Cobalt Server" 201 depends on EXPERIMENTAL 202 select DMA_NONCOHERENT 203 select HW_HAS_PCI 204 select I8259 205 select IRQ_CPU 206 select SYS_SUPPORTS_32BIT_KERNEL 207 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 208 209config MACH_DECSTATION 210 bool "Support for DECstations" 211 select BOOT_ELF32 212 select DMA_NONCOHERENT 213 select IRQ_CPU 214 select SYS_SUPPORTS_32BIT_KERNEL 215 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 216 ---help--- 217 This enables support for DEC's MIPS based workstations. For details 218 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 219 DECstation porting pages on <http://decstation.unix-ag.org/>. 220 221 If you have one of the following DECstation Models you definitely 222 want to choose R4xx0 for the CPU Type: 223 224 DECstation 5000/50 225 DECstation 5000/150 226 DECstation 5000/260 227 DECsystem 5900/260 228 229 otherwise choose R3000. 230 231config MIPS_EV64120 232 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)" 233 depends on EXPERIMENTAL 234 select DMA_NONCOHERENT 235 select HW_HAS_PCI 236 select MIPS_GT64120 237 select SYS_SUPPORTS_32BIT_KERNEL 238 select SYS_SUPPORTS_64BIT_KERNEL 239 help 240 This is an evaluation board based on the Galileo GT-64120 241 single-chip system controller that contains a MIPS R5000 compatible 242 core running at 75/100MHz. Their website is located at 243 <http://www.marvell.com/>. Say Y here if you wish to build a 244 kernel for this platform. 245 246config EVB_PCI1 247 bool "Enable Second PCI (PCI1)" 248 depends on MIPS_EV64120 249 250config MIPS_EV96100 251 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)" 252 depends on EXPERIMENTAL 253 select DMA_NONCOHERENT 254 select HW_HAS_PCI 255 select IRQ_CPU 256 select MIPS_GT96100 257 select RM7000_CPU_SCACHE 258 select SWAP_IO_SPACE 259 select SYS_SUPPORTS_32BIT_KERNEL 260 select SYS_SUPPORTS_64BIT_KERNEL 261 help 262 This is an evaluation board based on the Galileo GT-96100 LAN/WAN 263 communications controllers containing a MIPS R5000 compatible core 264 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y 265 here if you wish to build a kernel for this platform. 266 267config MIPS_IVR 268 bool "Support for Globespan IVR board" 269 select DMA_NONCOHERENT 270 select HW_HAS_PCI 271 select SYS_SUPPORTS_32BIT_KERNEL 272 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 273 help 274 This is an evaluation board built by Globespan to showcase thir 275 iVR (Internet Video Recorder) design. It utilizes a QED RM5231 276 R5000 MIPS core. More information can be found out their website 277 located at <http://www.globespan.net/>. Say Y here if you wish to 278 build a kernel for this platform. 279 280config LASAT 281 bool "Support for LASAT Networks platforms" 282 select DMA_NONCOHERENT 283 select HW_HAS_PCI 284 select MIPS_GT64120 285 select R5000_CPU_SCACHE 286 select SYS_SUPPORTS_32BIT_KERNEL 287 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 288 289config PICVUE 290 tristate "PICVUE LCD display driver" 291 depends on LASAT 292 293config PICVUE_PROC 294 tristate "PICVUE LCD display driver /proc interface" 295 depends on PICVUE 296 297config DS1603 298 bool "DS1603 RTC driver" 299 depends on LASAT 300 301config LASAT_SYSCTL 302 bool "LASAT sysctl interface" 303 depends on LASAT 304 305config MIPS_ITE8172 306 bool "Support for ITE 8172G board" 307 select DMA_NONCOHERENT 308 select HW_HAS_PCI 309 select SYS_SUPPORTS_32BIT_KERNEL 310 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 311 help 312 Ths is an evaluation board made by ITE <http://www.ite.com.tw/> 313 with ATX form factor that utilizes a MIPS R5000 to work with its 314 ITE8172G companion internet appliance chip. The MIPS core can be 315 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build 316 a kernel for this platform. 317 318config IT8172_REVC 319 bool "Support for older IT8172 (Rev C)" 320 depends on MIPS_ITE8172 321 help 322 Say Y here to support the older, Revision C version of the Integrated 323 Technology Express, Inc. ITE8172 SBC. Vendor page at 324 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the 325 board at <http://www.mvista.com/partners/semiconductor/ite.html>. 326 327config MIPS_ATLAS 328 bool "Support for MIPS Atlas board" 329 select BOOT_ELF32 330 select DMA_NONCOHERENT 331 select HW_HAS_PCI 332 select MIPS_GT64120 333 select SWAP_IO_SPACE 334 select SYS_SUPPORTS_32BIT_KERNEL 335 select SYS_SUPPORTS_64BIT_KERNEL 336 help 337 This enables support for the QED R5231-based MIPS Atlas evaluation 338 board. 339 340config MIPS_MALTA 341 bool "Support for MIPS Malta board" 342 select BOOT_ELF32 343 select HAVE_STD_PC_SERIAL_PORT 344 select DMA_NONCOHERENT 345 select GENERIC_ISA_DMA 346 select HW_HAS_PCI 347 select I8259 348 select MIPS_GT64120 349 select SWAP_IO_SPACE 350 select SYS_SUPPORTS_32BIT_KERNEL 351 select SYS_SUPPORTS_64BIT_KERNEL 352 help 353 This enables support for the VR5000-based MIPS Malta evaluation 354 board. 355 356config MIPS_SEAD 357 bool "Support for MIPS SEAD board (EXPERIMENTAL)" 358 depends on EXPERIMENTAL 359 select IRQ_CPU 360 select DMA_NONCOHERENT 361 select SYS_SUPPORTS_32BIT_KERNEL 362 select SYS_SUPPORTS_64BIT_KERNEL 363 364config MOMENCO_OCELOT 365 bool "Support for Momentum Ocelot board" 366 select DMA_NONCOHERENT 367 select HW_HAS_PCI 368 select IRQ_CPU 369 select IRQ_CPU_RM7K 370 select MIPS_GT64120 371 select RM7000_CPU_SCACHE 372 select SWAP_IO_SPACE 373 select SYS_SUPPORTS_32BIT_KERNEL 374 select SYS_SUPPORTS_64BIT_KERNEL 375 help 376 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 377 Momentum Computer <http://www.momenco.com/>. 378 379config MOMENCO_OCELOT_G 380 bool "Support for Momentum Ocelot-G board" 381 select DMA_NONCOHERENT 382 select HW_HAS_PCI 383 select IRQ_CPU 384 select IRQ_CPU_RM7K 385 select PCI_MARVELL 386 select RM7000_CPU_SCACHE 387 select SWAP_IO_SPACE 388 select SYS_SUPPORTS_32BIT_KERNEL 389 select SYS_SUPPORTS_64BIT_KERNEL 390 help 391 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 392 Momentum Computer <http://www.momenco.com/>. 393 394config MOMENCO_OCELOT_C 395 bool "Support for Momentum Ocelot-C board" 396 select DMA_NONCOHERENT 397 select HW_HAS_PCI 398 select IRQ_CPU 399 select IRQ_MV64340 400 select PCI_MARVELL 401 select RM7000_CPU_SCACHE 402 select SWAP_IO_SPACE 403 select SYS_SUPPORTS_32BIT_KERNEL 404 select SYS_SUPPORTS_64BIT_KERNEL 405 help 406 The Ocelot is a MIPS-based Single Board Computer (SBC) made by 407 Momentum Computer <http://www.momenco.com/>. 408 409config MOMENCO_OCELOT_3 410 bool "Support for Momentum Ocelot-3 board" 411 select BOOT_ELF32 412 select DMA_NONCOHERENT 413 select HW_HAS_PCI 414 select IRQ_CPU 415 select IRQ_CPU_RM7K 416 select IRQ_MV64340 417 select PCI_MARVELL 418 select RM7000_CPU_SCACHE 419 select SWAP_IO_SPACE 420 select SYS_SUPPORTS_32BIT_KERNEL 421 select SYS_SUPPORTS_64BIT_KERNEL 422 help 423 The Ocelot-3 is based off Discovery III System Controller and 424 PMC-Sierra Rm79000 core. 425 426config MOMENCO_JAGUAR_ATX 427 bool "Support for Momentum Jaguar board" 428 select BOOT_ELF32 429 select DMA_NONCOHERENT 430 select HW_HAS_PCI 431 select IRQ_CPU 432 select IRQ_CPU_RM7K 433 select IRQ_MV64340 434 select LIMITED_DMA 435 select PCI_MARVELL 436 select RM7000_CPU_SCACHE 437 select SWAP_IO_SPACE 438 select SYS_SUPPORTS_32BIT_KERNEL 439 select SYS_SUPPORTS_64BIT_KERNEL 440 help 441 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by 442 Momentum Computer <http://www.momenco.com/>. 443 444config JAGUAR_DMALOW 445 bool "Low DMA Mode" 446 depends on MOMENCO_JAGUAR_ATX 447 help 448 Select to Y if jump JP5 is set on your board, N otherwise. Normally 449 the jumper is set, so if you feel unsafe, just say Y. 450 451config PMC_YOSEMITE 452 bool "Support for PMC-Sierra Yosemite eval board" 453 select DMA_COHERENT 454 select HW_HAS_PCI 455 select IRQ_CPU 456 select IRQ_CPU_RM7K 457 select IRQ_CPU_RM9K 458 select SWAP_IO_SPACE 459 select SYS_SUPPORTS_32BIT_KERNEL 460 select SYS_SUPPORTS_64BIT_KERNEL 461 help 462 Yosemite is an evaluation board for the RM9000x2 processor 463 manufactured by PMC-Sierra 464 465config HYPERTRANSPORT 466 bool "Hypertransport Support for PMC-Sierra Yosemite" 467 depends on PMC_YOSEMITE 468 469config DDB5074 470 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)" 471 depends on EXPERIMENTAL 472 select DMA_NONCOHERENT 473 select HAVE_STD_PC_SERIAL_PORT 474 select HW_HAS_PCI 475 select IRQ_CPU 476 select I8259 477 select ISA 478 select SYS_SUPPORTS_32BIT_KERNEL 479 select SYS_SUPPORTS_64BIT_KERNEL 480 help 481 This enables support for the VR5000-based NEC DDB Vrc-5074 482 evaluation board. 483 484config DDB5476 485 bool "Support for NEC DDB Vrc-5476" 486 select DMA_NONCOHERENT 487 select HAVE_STD_PC_SERIAL_PORT 488 select HW_HAS_PCI 489 select IRQ_CPU 490 select I8259 491 select ISA 492 select SYS_SUPPORTS_32BIT_KERNEL 493 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 494 help 495 This enables support for the R5432-based NEC DDB Vrc-5476 496 evaluation board. 497 498 Features : kernel debugging, serial terminal, NFS root fs, on-board 499 ether port USB, AC97, PCI, PCI VGA card & framebuffer console, 500 IDE controller, PS2 keyboard, PS2 mouse, etc. 501 502config DDB5477 503 bool "Support for NEC DDB Vrc-5477" 504 select DMA_NONCOHERENT 505 select HW_HAS_PCI 506 select I8259 507 select IRQ_CPU 508 select SYS_SUPPORTS_32BIT_KERNEL 509 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 510 help 511 This enables support for the R5432-based NEC DDB Vrc-5477, 512 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 513 514 Features : kernel debugging, serial terminal, NFS root fs, on-board 515 ether port USB, AC97, PCI, etc. 516 517config DDB5477_BUS_FREQUENCY 518 int "bus frequency (in kHZ, 0 for auto-detect)" 519 depends on DDB5477 520 default 0 521 522config QEMU 523 bool "Support for Qemu" 524 select DMA_COHERENT 525 select GENERIC_ISA_DMA 526 select HAVE_STD_PC_SERIAL_PORT 527 select I8259 528 select ISA 529 select SWAP_IO_SPACE 530 select SYS_SUPPORTS_32BIT_KERNEL 531 select SYS_SUPPORTS_BIG_ENDIAN 532 help 533 Qemu is a software emulator which among other architectures also 534 can simulate a MIPS32 4Kc system. This patch adds support for the 535 system architecture that currently is being simulated by Qemu. It 536 will eventually be removed again when Qemu has the capability to 537 simulate actual MIPS hardware platforms. More information on Qemu 538 can be found at http://www.linux-mips.org/wiki/Qemu. 539 540config SGI_IP22 541 bool "Support for SGI IP22 (Indy/Indigo2)" 542 select ARC 543 select ARC32 544 select BOOT_ELF32 545 select DMA_NONCOHERENT 546 select IP22_CPU_SCACHE 547 select IRQ_CPU 548 select SWAP_IO_SPACE 549 select SYS_SUPPORTS_32BIT_KERNEL 550 select SYS_SUPPORTS_64BIT_KERNEL 551 help 552 This are the SGI Indy, Challenge S and Indigo2, as well as certain 553 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 554 that runs on these, say Y here. 555 556config SGI_IP27 557 bool "Support for SGI IP27 (Origin200/2000)" 558 select ARC 559 select ARC64 560 select DMA_IP27 561 select HW_HAS_PCI 562 select PCI_DOMAINS 563 select SYS_SUPPORTS_64BIT_KERNEL 564 help 565 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 566 workstations. To compile a Linux kernel that runs on these, say Y 567 here. 568 569#config SGI_SN0_XXL 570# bool "IP27 XXL" 571# depends on SGI_IP27 572# This options adds support for userspace processes upto 16TB size. 573# Normally the limit is just .5TB. 574 575config SGI_SN0_N_MODE 576 bool "IP27 N-Mode" 577 depends on SGI_IP27 578 help 579 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be 580 configured in either N-Modes which allows for more nodes or M-Mode 581 which allows for more memory. Your system is most probably 582 running in M-Mode, so you should say N here. 583 584config ARCH_DISCONTIGMEM_ENABLE 585 bool 586 default y if SGI_IP27 587 help 588 Say Y to upport efficient handling of discontiguous physical memory, 589 for architectures which are either NUMA (Non-Uniform Memory Access) 590 or have huge holes in the physical address space for other reasons. 591 See <file:Documentation/vm/numa> for more. 592 593config NUMA 594 bool "NUMA Support" 595 depends on SGI_IP27 596 help 597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 598 Access). This option is for configuring high-end multiprocessor 599 server machines. If in doubt, say N. 600 601config MAPPED_KERNEL 602 bool "Mapped kernel support" 603 depends on SGI_IP27 604 help 605 Change the way a Linux kernel is loaded into memory on a MIPS64 606 machine. This is required in order to support text replication and 607 NUMA. If you need to understand it, read the source code. 608 609config REPLICATE_KTEXT 610 bool "Kernel text replication support" 611 depends on SGI_IP27 612 help 613 Say Y here to enable replicating the kernel text across multiple 614 nodes in a NUMA cluster. This trades memory for speed. 615 616config REPLICATE_EXHANDLERS 617 bool "Exception handler replication support" 618 depends on SGI_IP27 619 help 620 Say Y here to enable replicating the kernel exception handlers 621 across multiple nodes in a NUMA cluster. This trades memory for 622 speed. 623 624config SGI_IP32 625 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)" 626 depends on EXPERIMENTAL 627 select ARC 628 select ARC32 629 select BOOT_ELF32 630 select OWN_DMA 631 select DMA_IP32 632 select DMA_NONCOHERENT 633 select HW_HAS_PCI 634 select R5000_CPU_SCACHE 635 select RM7000_CPU_SCACHE 636 select SYS_SUPPORTS_64BIT_KERNEL 637 help 638 If you want this kernel to run on SGI O2 workstation, say Y here. 639 640config SOC_AU1X00 641 bool "Support for AMD/Alchemy Au1X00 SOCs" 642 select SYS_SUPPORTS_32BIT_KERNEL 643 644choice 645 prompt "Au1X00 SOC Type" 646 depends on SOC_AU1X00 647 help 648 Say Y here to enable support for one of three AMD/Alchemy 649 SOCs. For additional documentation see www.amd.com. 650 651config SOC_AU1000 652 bool "SOC_AU1000" 653config SOC_AU1100 654 bool "SOC_AU1100" 655config SOC_AU1500 656 bool "SOC_AU1500" 657config SOC_AU1550 658 bool "SOC_AU1550" 659 660endchoice 661 662choice 663 prompt "AMD/Alchemy Au1x00 board support" 664 depends on SOC_AU1X00 665 help 666 These are evaluation boards built by AMD/Alchemy to 667 showcase their Au1X00 Internet Edge Processors. The SOC design 668 is based on the MIPS32 architecture running at 266/400/500MHz 669 with many integrated peripherals. Further information can be 670 found at their website, <http://www.amd.com/>. Say Y here if you 671 wish to build a kernel for this platform. 672 673config MIPS_PB1000 674 bool "PB1000 board" 675 depends on SOC_AU1000 676 select DMA_NONCOHERENT 677 select HW_HAS_PCI 678 select SWAP_IO_SPACE 679 680config MIPS_PB1100 681 bool "PB1100 board" 682 depends on SOC_AU1100 683 select DMA_NONCOHERENT 684 select HW_HAS_PCI 685 select SWAP_IO_SPACE 686 687config MIPS_PB1500 688 bool "PB1500 board" 689 depends on SOC_AU1500 690 select DMA_COHERENT 691 select HW_HAS_PCI 692 693config MIPS_PB1550 694 bool "PB1550 board" 695 depends on SOC_AU1550 696 select DMA_COHERENT 697 select HW_HAS_PCI 698 select MIPS_DISABLE_OBSOLETE_IDE 699 700config MIPS_DB1000 701 bool "DB1000 board" 702 depends on SOC_AU1000 703 select DMA_NONCOHERENT 704 select HW_HAS_PCI 705 706config MIPS_DB1100 707 bool "DB1100 board" 708 depends on SOC_AU1100 709 select DMA_NONCOHERENT 710 711config MIPS_DB1500 712 bool "DB1500 board" 713 depends on SOC_AU1500 714 select DMA_COHERENT 715 select HW_HAS_PCI 716 select MIPS_DISABLE_OBSOLETE_IDE 717 718config MIPS_DB1550 719 bool "DB1550 board" 720 depends on SOC_AU1550 721 select HW_HAS_PCI 722 select DMA_COHERENT 723 select MIPS_DISABLE_OBSOLETE_IDE 724 725config MIPS_BOSPORUS 726 bool "Bosporus board" 727 depends on SOC_AU1500 728 select DMA_NONCOHERENT 729 730config MIPS_MIRAGE 731 bool "Mirage board" 732 depends on SOC_AU1500 733 select DMA_NONCOHERENT 734 735config MIPS_XXS1500 736 bool "MyCable XXS1500 board" 737 depends on SOC_AU1500 738 select DMA_NONCOHERENT 739 740config MIPS_MTX1 741 bool "4G Systems MTX-1 board" 742 depends on SOC_AU1500 743 select HW_HAS_PCI 744 select DMA_NONCOHERENT 745 746endchoice 747 748config SIBYTE_SB1xxx_SOC 749 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)" 750 depends on EXPERIMENTAL 751 select BOOT_ELF32 752 select DMA_COHERENT 753 select SWAP_IO_SPACE 754 select SYS_SUPPORTS_32BIT_KERNEL 755 select SYS_SUPPORTS_64BIT_KERNEL 756 757choice 758 prompt "BCM1xxx SOC-based board" 759 depends on SIBYTE_SB1xxx_SOC 760 default SIBYTE_SWARM 761 help 762 Enable support for boards based on the SiByte line of SOCs 763 from Broadcom. There are configurations for the known 764 evaluation boards, or you can choose "Other" and add your 765 own board support code. 766 767config SIBYTE_SWARM 768 bool "BCM91250A-SWARM" 769 select SIBYTE_SB1250 770 771config SIBYTE_SENTOSA 772 bool "BCM91250E-Sentosa" 773 select SIBYTE_SB1250 774 775config SIBYTE_RHONE 776 bool "BCM91125E-Rhone" 777 select SIBYTE_BCM1125H 778 779config SIBYTE_CARMEL 780 bool "BCM91120x-Carmel" 781 select SIBYTE_BCM1120 782 783config SIBYTE_PTSWARM 784 bool "BCM91250PT-PTSWARM" 785 select SIBYTE_SB1250 786 787config SIBYTE_LITTLESUR 788 bool "BCM91250C2-LittleSur" 789 select SIBYTE_SB1250 790 791config SIBYTE_CRHINE 792 bool "BCM91120C-CRhine" 793 select SIBYTE_BCM1120 794 795config SIBYTE_CRHONE 796 bool "BCM91125C-CRhone" 797 select SIBYTE_BCM1125 798 799config SIBYTE_UNKNOWN 800 bool "Other" 801 802endchoice 803 804config SIBYTE_BOARD 805 bool 806 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN 807 default y 808 809choice 810 prompt "BCM1xxx SOC Type" 811 depends on SIBYTE_UNKNOWN 812 default SIBYTE_UNK_BCM1250 813 help 814 Since you haven't chosen a known evaluation board from 815 Broadcom, you must explicitly pick the SOC this kernel is 816 targetted for. 817 818config SIBYTE_UNK_BCM1250 819 bool "BCM1250" 820 select SIBYTE_SB1250 821 822config SIBYTE_UNK_BCM1120 823 bool "BCM1120" 824 select SIBYTE_BCM1120 825 826config SIBYTE_UNK_BCM1125 827 bool "BCM1125" 828 select SIBYTE_BCM1125 829 830config SIBYTE_UNK_BCM1125H 831 bool "BCM1125H" 832 select SIBYTE_BCM1125H 833 834endchoice 835 836config SIBYTE_SB1250 837 bool 838 select HW_HAS_PCI 839 840config SIBYTE_BCM1120 841 bool 842 select SIBYTE_BCM112X 843 844config SIBYTE_BCM1125 845 bool 846 select HW_HAS_PCI 847 select SIBYTE_BCM112X 848 849config SIBYTE_BCM1125H 850 bool 851 select HW_HAS_PCI 852 select SIBYTE_BCM112X 853 854config SIBYTE_BCM112X 855 bool 856 857choice 858 prompt "SiByte SOC Stepping" 859 depends on SIBYTE_SB1xxx_SOC 860 861config CPU_SB1_PASS_1 862 bool "1250 Pass1" 863 depends on SIBYTE_SB1250 864 select CPU_HAS_PREFETCH 865 866config CPU_SB1_PASS_2_1250 867 bool "1250 An" 868 depends on SIBYTE_SB1250 869 select CPU_SB1_PASS_2 870 help 871 Also called BCM1250 Pass 2 872 873config CPU_SB1_PASS_2_2 874 bool "1250 Bn" 875 depends on SIBYTE_SB1250 876 select CPU_HAS_PREFETCH 877 help 878 Also called BCM1250 Pass 2.2 879 880config CPU_SB1_PASS_4 881 bool "1250 Cn" 882 depends on SIBYTE_SB1250 883 select CPU_HAS_PREFETCH 884 help 885 Also called BCM1250 Pass 3 886 887config CPU_SB1_PASS_2_112x 888 bool "112x Hybrid" 889 depends on SIBYTE_BCM112X 890 select CPU_SB1_PASS_2 891 892config CPU_SB1_PASS_3 893 bool "112x An" 894 depends on SIBYTE_BCM112X 895 select CPU_HAS_PREFETCH 896 897endchoice 898 899config CPU_SB1_PASS_2 900 bool 901 902config SIBYTE_HAS_LDT 903 bool 904 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H) 905 default y 906 907config SIMULATION 908 bool "Running under simulation" 909 depends on SIBYTE_SB1xxx_SOC 910 help 911 Build a kernel suitable for running under the GDB simulator. 912 Primarily adjusts the kernel's notion of time. 913 914config SIBYTE_CFE 915 bool "Booting from CFE" 916 depends on SIBYTE_SB1xxx_SOC 917 help 918 Make use of the CFE API for enumerating available memory, 919 controlling secondary CPUs, and possibly console output. 920 921config SIBYTE_CFE_CONSOLE 922 bool "Use firmware console" 923 depends on SIBYTE_CFE 924 help 925 Use the CFE API's console write routines during boot. Other console 926 options (VT console, sb1250 duart console, etc.) should not be 927 configured. 928 929config SIBYTE_STANDALONE 930 bool 931 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE 932 default y 933 934config SIBYTE_STANDALONE_RAM_SIZE 935 int "Memory size (in megabytes)" 936 depends on SIBYTE_STANDALONE 937 default "32" 938 939config SIBYTE_BUS_WATCHER 940 bool "Support for Bus Watcher statistics" 941 depends on SIBYTE_SB1xxx_SOC 942 help 943 Handle and keep statistics on the bus error interrupts (COR_ECC, 944 BAD_ECC, IO_BUS). 945 946config SIBYTE_BW_TRACE 947 bool "Capture bus trace before bus error" 948 depends on SIBYTE_BUS_WATCHER 949 help 950 Run a continuous bus trace, dumping the raw data as soon as 951 a ZBbus error is detected. Cannot work if ZBbus profiling 952 is turned on, and also will interfere with JTAG-based trace 953 buffer activity. Raw buffer data is dumped to console, and 954 must be processed off-line. 955 956config SIBYTE_SB1250_PROF 957 bool "Support for SB1/SOC profiling - SB1/SCD perf counters" 958 depends on SIBYTE_SB1xxx_SOC 959 960config SIBYTE_TBPROF 961 bool "Support for ZBbus profiling" 962 depends on SIBYTE_SB1xxx_SOC 963 964config SNI_RM200_PCI 965 bool "Support for SNI RM200 PCI" 966 select ARC 967 select ARC32 968 select BOOT_ELF32 969 select DMA_NONCOHERENT 970 select GENERIC_ISA_DMA 971 select HAVE_STD_PC_SERIAL_PORT 972 select HW_HAS_PCI 973 select I8259 974 select ISA 975 select SYS_SUPPORTS_32BIT_KERNEL 976 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 977 help 978 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens 979 Nixdorf Informationssysteme (SNI), parent company of Pyramid 980 Technology and now in turn merged with Fujitsu. Say Y here to 981 support this machine type. 982 983config TOSHIBA_RBTX4927 984 bool "Support for Toshiba TBTX49[23]7 board" 985 select DMA_NONCOHERENT 986 select HAS_TXX9_SERIAL 987 select HW_HAS_PCI 988 select I8259 989 select ISA 990 select SWAP_IO_SPACE 991 select SYS_SUPPORTS_32BIT_KERNEL 992 select SYS_SUPPORTS_64BIT_KERNEL 993 help 994 This Toshiba board is based on the TX4927 processor. Say Y here to 995 support this machine type 996 997config TOSHIBA_FPCIB0 998 bool "FPCIB0 Backplane Support" 999 depends on TOSHIBA_RBTX4927 1000 1001config RWSEM_GENERIC_SPINLOCK 1002 bool 1003 default y 1004 1005config RWSEM_XCHGADD_ALGORITHM 1006 bool 1007 1008config GENERIC_CALIBRATE_DELAY 1009 bool 1010 default y 1011 1012# 1013# Select some configuration options automatically based on user selections. 1014# 1015config ARC 1016 bool 1017 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 1018 default y 1019 1020config DMA_COHERENT 1021 bool 1022 1023config DMA_IP27 1024 bool 1025 1026config DMA_IP32 1027 bool 1028 select DMA_NEED_PCI_MAP_STATE 1029 1030config DMA_NONCOHERENT 1031 bool 1032 select DMA_NEED_PCI_MAP_STATE 1033 1034config DMA_NEED_PCI_MAP_STATE 1035 bool 1036 1037config EARLY_PRINTK 1038 bool 1039 depends on MACH_DECSTATION 1040 default y 1041 1042config GENERIC_ISA_DMA 1043 bool 1044 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA 1045 default y 1046 1047config I8259 1048 bool 1049 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT 1050 default y 1051 1052config LIMITED_DMA 1053 bool 1054 select HIGHMEM 1055 1056config MIPS_BONITO64 1057 bool 1058 depends on MIPS_ATLAS || MIPS_MALTA 1059 default y 1060 1061config MIPS_MSC 1062 bool 1063 depends on MIPS_ATLAS || MIPS_MALTA 1064 default y 1065 1066config MIPS_NILE4 1067 bool 1068 depends on LASAT 1069 default y 1070 1071config MIPS_DISABLE_OBSOLETE_IDE 1072 bool 1073 1074config CPU_LITTLE_ENDIAN 1075 bool "Generate little endian code" 1076 default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA 1077 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927 1078 help 1079 Some MIPS machines can be configured for either little or big endian 1080 byte order. These modes require different kernels. Say Y if your 1081 machine is little endian, N if it's a big endian machine. 1082 1083config IRQ_CPU 1084 bool 1085 1086config IRQ_CPU_RM7K 1087 bool 1088 1089config IRQ_MV64340 1090 bool 1091 1092config DDB5XXX_COMMON 1093 bool 1094 depends on DDB5074 || DDB5476 || DDB5477 1095 default y 1096 1097config MIPS_BOARDS_GEN 1098 bool 1099 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD 1100 default y 1101 1102config MIPS_GT64111 1103 bool 1104 depends on MIPS_COBALT 1105 default y 1106 1107config MIPS_GT64120 1108 bool 1109 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT 1110 default y 1111 1112config MIPS_TX3927 1113 bool 1114 depends on TOSHIBA_JMR3927 1115 select HAS_TXX9_SERIAL 1116 default y 1117 1118config PCI_MARVELL 1119 bool 1120 1121config ITE_BOARD_GEN 1122 bool 1123 depends on MIPS_IVR || MIPS_ITE8172 1124 default y 1125 1126config SWAP_IO_SPACE 1127 bool 1128 1129# 1130# Unfortunately not all GT64120 systems run the chip at the same clock. 1131# As the user for the clock rate and try to minimize the available options. 1132# 1133choice 1134 prompt "Galileo Chip Clock" 1135 #default SYSCLK_83 if MIPS_EV64120 1136 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1137 default SYSCLK_83 if MIPS_EV64120 1138 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 1139 1140config SYSCLK_75 1141 bool "75" if MIPS_EV64120 1142 1143config SYSCLK_83 1144 bool "83.3" if MIPS_EV64120 1145 1146config SYSCLK_100 1147 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 1148 1149endchoice 1150 1151config AU1X00_USB_DEVICE 1152 bool 1153 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 1154 default n 1155 1156config MIPS_GT96100 1157 bool 1158 depends on MIPS_EV96100 1159 default y 1160 help 1161 Say Y here to support the Galileo Technology GT96100 communications 1162 controller card. There is a web page at <http://www.galileot.com/>. 1163 1164config IT8172_CIR 1165 bool 1166 depends on MIPS_ITE8172 || MIPS_IVR 1167 default y 1168 1169config IT8712 1170 bool 1171 depends on MIPS_ITE8172 1172 default y 1173 1174config BOOT_ELF32 1175 bool 1176 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI 1177 default y 1178 1179config MIPS_L1_CACHE_SHIFT 1180 int 1181 default "4" if MACH_DECSTATION 1182 default "7" if SGI_IP27 1183 default "5" 1184 1185config ARC32 1186 bool 1187 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 1188 default y 1189 1190config HAVE_STD_PC_SERIAL_PORT 1191 bool 1192 1193config ARC_CONSOLE 1194 bool "ARC console support" 1195 depends on SGI_IP22 || SNI_RM200_PCI 1196 1197config ARC_MEMORY 1198 bool 1199 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32 1200 default y 1201 1202config ARC_PROMLIB 1203 bool 1204 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 1205 default y 1206 1207config ARC64 1208 bool 1209 depends on SGI_IP27 1210 default y 1211 1212config BOOT_ELF64 1213 bool 1214 depends on SGI_IP27 1215 default y 1216 1217#config MAPPED_PCI_IO y 1218# bool 1219# depends on SGI_IP27 1220# default y 1221 1222config QL_ISP_A64 1223 bool 1224 depends on SGI_IP27 1225 default y 1226 1227config TOSHIBA_BOARDS 1228 bool 1229 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 1230 default y 1231 1232endmenu 1233 1234menu "CPU selection" 1235 1236choice 1237 prompt "CPU type" 1238 default CPU_R4X00 1239 1240config CPU_MIPS32 1241 bool "MIPS32" 1242 select CPU_SUPPORTS_32BIT_KERNEL 1243 1244config CPU_MIPS64 1245 bool "MIPS64" 1246 select CPU_SUPPORTS_32BIT_KERNEL 1247 select CPU_SUPPORTS_64BIT_KERNEL 1248 1249config CPU_R3000 1250 bool "R3000" 1251 select CPU_SUPPORTS_32BIT_KERNEL 1252 help 1253 Please make sure to pick the right CPU type. Linux/MIPS is not 1254 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1255 *not* work on R4000 machines and vice versa. However, since most 1256 of the supported machines have an R4000 (or similar) CPU, R4x00 1257 might be a safe bet. If the resulting kernel does not work, 1258 try to recompile with R3000. 1259 1260config CPU_TX39XX 1261 bool "R39XX" 1262 select CPU_SUPPORTS_32BIT_KERNEL 1263 1264config CPU_VR41XX 1265 bool "R41xx" 1266 select CPU_SUPPORTS_32BIT_KERNEL 1267 select CPU_SUPPORTS_64BIT_KERNEL 1268 help 1269 The options selects support for the NEC VR41xx series of processors. 1270 Only choose this option if you have one of these processors as a 1271 kernel built with this option will not run on any other type of 1272 processor or vice versa. 1273 1274config CPU_R4300 1275 bool "R4300" 1276 select CPU_SUPPORTS_32BIT_KERNEL 1277 select CPU_SUPPORTS_64BIT_KERNEL 1278 help 1279 MIPS Technologies R4300-series processors. 1280 1281config CPU_R4X00 1282 bool "R4x00" 1283 select CPU_SUPPORTS_32BIT_KERNEL 1284 select CPU_SUPPORTS_64BIT_KERNEL 1285 help 1286 MIPS Technologies R4000-series processors other than 4300, including 1287 the R4000, R4400, R4600, and 4700. 1288 1289config CPU_TX49XX 1290 bool "R49XX" 1291 select CPU_SUPPORTS_32BIT_KERNEL 1292 select CPU_SUPPORTS_64BIT_KERNEL 1293 1294config CPU_R5000 1295 bool "R5000" 1296 select CPU_SUPPORTS_32BIT_KERNEL 1297 select CPU_SUPPORTS_64BIT_KERNEL 1298 help 1299 MIPS Technologies R5000-series processors other than the Nevada. 1300 1301config CPU_R5432 1302 bool "R5432" 1303 1304config CPU_R6000 1305 bool "R6000" 1306 depends on EXPERIMENTAL 1307 select CPU_SUPPORTS_32BIT_KERNEL 1308 help 1309 MIPS Technologies R6000 and R6000A series processors. Note these 1310 processors are extremly rare and the support for them is incomplete. 1311 1312config CPU_NEVADA 1313 bool "RM52xx" 1314 select CPU_SUPPORTS_32BIT_KERNEL 1315 select CPU_SUPPORTS_64BIT_KERNEL 1316 help 1317 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1318 1319config CPU_R8000 1320 bool "R8000" 1321 depends on EXPERIMENTAL 1322 select CPU_SUPPORTS_64BIT_KERNEL 1323 help 1324 MIPS Technologies R8000 processors. Note these processors are 1325 uncommon and the support for them is incomplete. 1326 1327config CPU_R10000 1328 bool "R10000" 1329 select CPU_SUPPORTS_32BIT_KERNEL 1330 select CPU_SUPPORTS_64BIT_KERNEL 1331 help 1332 MIPS Technologies R10000-series processors. 1333 1334config CPU_RM7000 1335 bool "RM7000" 1336 select CPU_SUPPORTS_32BIT_KERNEL 1337 select CPU_SUPPORTS_64BIT_KERNEL 1338 1339config CPU_RM9000 1340 bool "RM9000" 1341 select CPU_SUPPORTS_32BIT_KERNEL 1342 select CPU_SUPPORTS_64BIT_KERNEL 1343 1344config CPU_SB1 1345 bool "SB1" 1346 select CPU_SUPPORTS_32BIT_KERNEL 1347 select CPU_SUPPORTS_64BIT_KERNEL 1348 1349endchoice 1350 1351choice 1352 prompt "Kernel page size" 1353 default PAGE_SIZE_4KB 1354 1355config PAGE_SIZE_4KB 1356 bool "4kB" 1357 help 1358 This option select the standard 4kB Linux page size. On some 1359 R3000-family processors this is the only available page size. Using 1360 4kB page size will minimize memory consumption and is therefore 1361 recommended for low memory systems. 1362 1363config PAGE_SIZE_8KB 1364 bool "8kB" 1365 depends on EXPERIMENTAL && CPU_R8000 1366 help 1367 Using 8kB page size will result in higher performance kernel at 1368 the price of higher memory consumption. This option is available 1369 only on the R8000 processor. Not that at the time of this writing 1370 this option is still high experimental; there are also issues with 1371 compatibility of user applications. 1372 1373config PAGE_SIZE_16KB 1374 bool "16kB" 1375 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1376 help 1377 Using 16kB page size will result in higher performance kernel at 1378 the price of higher memory consumption. This option is available on 1379 all non-R3000 family processor. Not that at the time of this 1380 writing this option is still high experimental; there are also 1381 issues with compatibility of user applications. 1382 1383config PAGE_SIZE_64KB 1384 bool "64kB" 1385 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 1386 help 1387 Using 64kB page size will result in higher performance kernel at 1388 the price of higher memory consumption. This option is available on 1389 all non-R3000 family processor. Not that at the time of this 1390 writing this option is still high experimental; there are also 1391 issues with compatibility of user applications. 1392 1393endchoice 1394 1395config BOARD_SCACHE 1396 bool 1397 1398config IP22_CPU_SCACHE 1399 bool 1400 select BOARD_SCACHE 1401 1402config R5000_CPU_SCACHE 1403 bool 1404 select BOARD_SCACHE 1405 1406config RM7000_CPU_SCACHE 1407 bool 1408 select BOARD_SCACHE 1409 1410config SIBYTE_DMA_PAGEOPS 1411 bool "Use DMA to clear/copy pages" 1412 depends on CPU_SB1 1413 help 1414 Instead of using the CPU to zero and copy pages, use a Data Mover 1415 channel. These DMA channels are otherwise unused by the standard 1416 SiByte Linux port. Seems to give a small performance benefit. 1417 1418config CPU_HAS_PREFETCH 1419 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2 1420 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 1421 1422config VTAG_ICACHE 1423 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32 1424 default y if CPU_SB1 1425 1426config SB1_PASS_1_WORKAROUNDS 1427 bool 1428 depends on CPU_SB1_PASS_1 1429 default y 1430 1431config SB1_PASS_2_WORKAROUNDS 1432 bool 1433 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 1434 default y 1435 1436config SB1_PASS_2_1_WORKAROUNDS 1437 bool 1438 depends on CPU_SB1 && CPU_SB1_PASS_2 1439 default y 1440 1441config 64BIT_PHYS_ADDR 1442 bool "Support for 64-bit physical address space" 1443 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1444 1445config CPU_ADVANCED 1446 bool "Override CPU Options" 1447 depends on 32BIT 1448 help 1449 Saying yes here allows you to select support for various features 1450 your CPU may or may not have. Most people should say N here. 1451 1452config CPU_HAS_LLSC 1453 bool "ll/sc Instructions available" if CPU_ADVANCED 1454 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX 1455 help 1456 MIPS R4000 series and later provide the Load Linked (ll) 1457 and Store Conditional (sc) instructions. More information is 1458 available at <http://www.go-ecs.com/mips/miptek1.htm>. 1459 1460 Say Y here if your CPU has the ll and sc instructions. Say Y here 1461 for better performance, N if you don't know. You must say Y here 1462 for multiprocessor machines. 1463 1464config CPU_HAS_LLDSCD 1465 bool "lld/scd Instructions available" if CPU_ADVANCED 1466 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32 1467 help 1468 Say Y here if your CPU has the lld and scd instructions, the 64-bit 1469 equivalents of ll and sc. Say Y here for better performance, N if 1470 you don't know. You must say Y here for multiprocessor machines. 1471 1472config CPU_HAS_WB 1473 bool "Writeback Buffer available" if CPU_ADVANCED 1474 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION 1475 help 1476 Say N here for slightly better performance. You must say Y here for 1477 machines which require flushing of write buffers in software. Saying 1478 Y is the safe option; N may result in kernel malfunction and crashes. 1479 1480config CPU_HAS_SYNC 1481 bool 1482 depends on !CPU_R3000 1483 default y 1484 1485# 1486# - Highmem only makes sense for the 32-bit kernel. 1487# - The current highmem code will only work properly on physically indexed 1488# caches such as R3000, SB1, R7000 or those that look like they're virtually 1489# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 1490# moment we protect the user and offer the highmem option only on machines 1491# where it's known to be safe. This will not offer highmem on a few systems 1492# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 1493# indexed CPUs but we're playing safe. 1494# - We should not offer highmem for system of which we already know that they 1495# don't have memory configurations that could gain from highmem support in 1496# the kernel because they don't support configurations with RAM at physical 1497# addresses > 0x20000000. 1498# 1499config HIGHMEM 1500 bool "High Memory Support" 1501 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX) 1502 1503config ARCH_FLATMEM_ENABLE 1504 def_bool y 1505 depends on !NUMA 1506 1507source "mm/Kconfig" 1508 1509config SMP 1510 bool "Multi-Processing support" 1511 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27 1512 ---help--- 1513 This enables support for systems with more than one CPU. If you have 1514 a system with only one CPU, like most personal computers, say N. If 1515 you have a system with more than one CPU, say Y. 1516 1517 If you say N here, the kernel will run on single and multiprocessor 1518 machines, but will use only one CPU of a multiprocessor machine. If 1519 you say Y here, the kernel will run on many, but not all, 1520 singleprocessor machines. On a singleprocessor machine, the kernel 1521 will run faster if you say N here. 1522 1523 People using multiprocessor machines who say Y here should also say 1524 Y to "Enhanced Real Time Clock Support", below. 1525 1526 See also the <file:Documentation/smp.txt> and the SMP-HOWTO 1527 available at <http://www.tldp.org/docs.html#howto>. 1528 1529 If you don't know what to do here, say N. 1530 1531config NR_CPUS 1532 int "Maximum number of CPUs (2-64)" 1533 range 2 64 1534 depends on SMP 1535 default "64" if SGI_IP27 1536 default "2" 1537 help 1538 This allows you to specify the maximum number of CPUs which this 1539 kernel will support. The maximum supported value is 32 for 32-bit 1540 kernel and 64 for 64-bit kernels; the minimum value which makes 1541 sense is 2. 1542 1543 This is purely to save memory - each supported CPU adds 1544 approximately eight kilobytes to the kernel image. 1545 1546config PREEMPT 1547 bool "Preemptible Kernel" 1548 help 1549 This option reduces the latency of the kernel when reacting to 1550 real-time or interactive events by allowing a low priority process to 1551 be preempted even if it is in kernel mode executing a system call. 1552 This allows applications to run more reliably even when the system is 1553 under load. 1554 1555config RTC_DS1742 1556 bool "DS1742 BRAM/RTC support" 1557 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 1558 1559config MIPS_INSANE_LARGE 1560 bool "Support for large 64-bit configurations" 1561 depends on CPU_R10000 && 64BIT 1562 help 1563 MIPS R10000 does support a 44 bit / 16TB address space as opposed to 1564 previous 64-bit processors which only supported 40 bit / 1TB. If you 1565 need processes of more than 1TB virtual address space, say Y here. 1566 This will result in additional memory usage, so it is not 1567 recommended for normal users. 1568 1569config RWSEM_GENERIC_SPINLOCK 1570 bool 1571 default y 1572 1573endmenu 1574 1575menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 1576 1577config HW_HAS_PCI 1578 bool 1579 1580config PCI 1581 bool "Support for PCI controller" 1582 depends on HW_HAS_PCI 1583 help 1584 Find out whether you have a PCI motherboard. PCI is the name of a 1585 bus system, i.e. the way the CPU talks to the other stuff inside 1586 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 1587 say Y, otherwise N. 1588 1589 The PCI-HOWTO, available from 1590 <http://www.tldp.org/docs.html#howto>, contains valuable 1591 information about which PCI hardware does work under Linux and which 1592 doesn't. 1593 1594config PCI_DOMAINS 1595 bool 1596 depends on PCI 1597 1598source "drivers/pci/Kconfig" 1599 1600# 1601# ISA support is now enabled via select. Too many systems still have the one 1602# or other ISA chip on the board that users don't know about so don't expect 1603# users to choose the right thing ... 1604# 1605config ISA 1606 bool 1607 1608config EISA 1609 bool "EISA support" 1610 depends on SGI_IP22 || SNI_RM200_PCI 1611 select ISA 1612 ---help--- 1613 The Extended Industry Standard Architecture (EISA) bus was 1614 developed as an open alternative to the IBM MicroChannel bus. 1615 1616 The EISA bus provided some of the features of the IBM MicroChannel 1617 bus while maintaining backward compatibility with cards made for 1618 the older ISA bus. The EISA bus saw limited use between 1988 and 1619 1995 when it was made obsolete by the PCI bus. 1620 1621 Say Y here if you are building a kernel for an EISA-based machine. 1622 1623 Otherwise, say N. 1624 1625source "drivers/eisa/Kconfig" 1626 1627config TC 1628 bool "TURBOchannel support" 1629 depends on MACH_DECSTATION 1630 help 1631 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 1632 processors. Documentation on writing device drivers for TurboChannel 1633 is available at: 1634 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 1635 1636#config ACCESSBUS 1637# bool "Access.Bus support" 1638# depends on TC 1639 1640config MMU 1641 bool 1642 default y 1643 1644config MCA 1645 bool 1646 1647config SBUS 1648 bool 1649 1650source "drivers/pcmcia/Kconfig" 1651 1652source "drivers/pci/hotplug/Kconfig" 1653 1654endmenu 1655 1656menu "Executable file formats" 1657 1658source "fs/Kconfig.binfmt" 1659 1660config TRAD_SIGNALS 1661 bool 1662 default y if 32BIT 1663 1664config BUILD_ELF64 1665 bool "Use 64-bit ELF format for building" 1666 depends on 64BIT 1667 help 1668 A 64-bit kernel is usually built using the 64-bit ELF binary object 1669 format as it's one that allows arbitrary 64-bit constructs. For 1670 kernels that are loaded within the KSEG compatibility segments the 1671 32-bit ELF format can optionally be used resulting in a somewhat 1672 smaller binary, but this option is not explicitly supported by the 1673 toolchain and since binutils 2.14 it does not even work at all. 1674 1675 Say Y to use the 64-bit format or N to use the 32-bit one. 1676 1677 If unsure say Y. 1678 1679config BINFMT_IRIX 1680 bool "Include IRIX binary compatibility" 1681 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN 1682 1683config MIPS32_COMPAT 1684 bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1685 depends on 64BIT 1686 help 1687 Select this option if you want Linux/MIPS 32-bit binary 1688 compatibility. Since all software available for Linux/MIPS is 1689 currently 32-bit you should say Y here. 1690 1691config COMPAT 1692 bool 1693 depends on MIPS32_COMPAT 1694 default y 1695 1696config MIPS32_O32 1697 bool "Kernel support for o32 binaries" 1698 depends on MIPS32_COMPAT 1699 help 1700 Select this option if you want to run o32 binaries. These are pure 1701 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 1702 existing binaries are in this format. 1703 1704 If unsure, say Y. 1705 1706config MIPS32_N32 1707 bool "Kernel support for n32 binaries" 1708 depends on MIPS32_COMPAT 1709 help 1710 Select this option if you want to run n32 binaries. These are 1711 64-bit binaries using 32-bit quantities for addressing and certain 1712 data that would normally be 64-bit. They are used in special 1713 cases. 1714 1715 If unsure, say N. 1716 1717config BINFMT_ELF32 1718 bool 1719 default y if MIPS32_O32 || MIPS32_N32 1720 1721config PM 1722 bool "Power Management support (EXPERIMENTAL)" 1723 depends on EXPERIMENTAL && MACH_AU1X00 1724 1725endmenu 1726 1727source "net/Kconfig" 1728 1729source "drivers/Kconfig" 1730 1731source "fs/Kconfig" 1732 1733source "arch/mips/Kconfig.debug" 1734 1735source "security/Kconfig" 1736 1737source "crypto/Kconfig" 1738 1739source "lib/Kconfig" 1740 1741# 1742# Use the generic interrupt handling code in kernel/irq/: 1743# 1744config GENERIC_HARDIRQS 1745 bool 1746 default y 1747 1748config GENERIC_IRQ_PROBE 1749 bool 1750 default y 1751 1752config ISA_DMA_API 1753 bool 1754 default y 1755