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