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