1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5config ALPHA 6 bool 7 default y 8 help 9 The Alpha is a 64-bit general-purpose processor designed and 10 marketed by the Digital Equipment Corporation of blessed memory, 11 now Hewlett-Packard. The Alpha Linux project has a home page at 12 <http://www.alphalinux.org/>. 13 14config 64BIT 15 def_bool y 16 17config MMU 18 bool 19 default y 20 21config RWSEM_GENERIC_SPINLOCK 22 bool 23 24config RWSEM_XCHGADD_ALGORITHM 25 bool 26 default y 27 28config ARCH_HAS_ILOG2_U32 29 bool 30 default n 31 32config ARCH_HAS_ILOG2_U64 33 bool 34 default n 35 36config GENERIC_FIND_NEXT_BIT 37 bool 38 default y 39 40config GENERIC_CALIBRATE_DELAY 41 bool 42 default y 43 44config ZONE_DMA 45 bool 46 default y 47 48config GENERIC_ISA_DMA 49 bool 50 default y 51 52config GENERIC_IOMAP 53 bool 54 default n 55 56config GENERIC_HARDIRQS 57 bool 58 default y 59 60config GENERIC_IRQ_PROBE 61 bool 62 default y 63 64config AUTO_IRQ_AFFINITY 65 bool 66 depends on SMP 67 default y 68 69source "init/Kconfig" 70 71 72menu "System setup" 73 74choice 75 prompt "Alpha system type" 76 default ALPHA_GENERIC 77 ---help--- 78 This is the system type of your hardware. A "generic" kernel will 79 run on any supported Alpha system. However, if you configure a 80 kernel for your specific system, it will be faster and smaller. 81 82 To find out what type of Alpha system you have, you may want to 83 check out the Linux/Alpha FAQ, accessible on the WWW from 84 <http://www.alphalinux.org/>. In summary: 85 86 Alcor/Alpha-XLT AS 600 87 Alpha-XL XL-233, XL-266 88 AlphaBook1 Alpha laptop 89 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 90 Cabriolet AlphaPC64, AlphaPCI64 91 DP264 DP264 92 EB164 EB164 21164 evaluation board 93 EB64+ EB64+ 21064 evaluation board 94 EB66 EB66 21066 evaluation board 95 EB66+ EB66+ 21066 evaluation board 96 Jensen DECpc 150, DEC 2000 model 300, 97 DEC 2000 model 500 98 LX164 AlphaPC164-LX 99 Lynx AS 2100A 100 Miata Personal Workstation 433a, 433au, 500a, 101 500au, 600a, or 600au 102 Marvel AlphaServer ES47 / ES80 / GS1280 103 Mikasa AS 1000 104 Noname AXPpci33, UDB (Multia) 105 Noritake AS 1000A, AS 600A, AS 800 106 PC164 AlphaPC164 107 Rawhide AS 1200, AS 4000, AS 4100 108 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX 109 SX164 AlphaPC164-SX 110 Sable AS 2000, AS 2100 111 Shark DS 20L 112 Takara Takara 113 Titan AlphaServer ES45 / DS25 114 Wildfire AlphaServer GS 40/80/160/320 115 116 If you don't know what to do, choose "generic". 117 118config ALPHA_GENERIC 119 bool "Generic" 120 help 121 A generic kernel will run on all supported Alpha hardware. 122 123config ALPHA_ALCOR 124 bool "Alcor/Alpha-XLT" 125 help 126 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data 127 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O 128 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM 129 controller (256-bit memory bus) and a PCI interface. It also does 130 all the work required to support an external Bcache and to maintain 131 memory coherence when a PCI device DMAs into (or out of) memory. 132 133config ALPHA_XL 134 bool "Alpha-XL" 135 help 136 XL-233 and XL-266-based Alpha systems. 137 138config ALPHA_BOOK1 139 bool "AlphaBook1" 140 help 141 Dec AlphaBook1/Burns Alpha-based laptops. 142 143config ALPHA_AVANTI_CH 144 bool "Avanti" 145 146config ALPHA_CABRIOLET 147 bool "Cabriolet" 148 help 149 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 150 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 151 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 152 Bcache SIMMs. Requires power supply with 3.3V output. 153 154config ALPHA_DP264 155 bool "DP264" 156 help 157 Various 21264 systems with the tsunami core logic chipset. 158 API Networks: 264DP, UP2000(+), CS20; 159 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 160 161config ALPHA_EB164 162 bool "EB164" 163 help 164 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has 165 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is 166 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in 167 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, 168 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized 169 motherboard. Requires power supply with 3.3V output. 170 171config ALPHA_EB64P_CH 172 bool "EB64+" 173 174config ALPHA_EB66 175 bool "EB66" 176 help 177 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is 178 identical to EB64+. Baby PC-AT size. Runs from standard PC power 179 supply. The EB66 schematic was published as a marketing poster 180 advertising the 21066 as "the first microprocessor in the world with 181 embedded PCI". 182 183config ALPHA_EB66P 184 bool "EB66+" 185 help 186 Later variant of the EB66 board. 187 188config ALPHA_EIGER 189 bool "Eiger" 190 help 191 Apparently an obscure OEM single-board computer based on the 192 Typhoon/Tsunami chipset family. Information on it is scanty. 193 194config ALPHA_JENSEN 195 bool "Jensen" 196 help 197 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one 198 of the first-generation Alpha systems. A number of these systems 199 seem to be available on the second- hand market. The Jensen is a 200 floor-standing tower system which originally used a 150MHz 21064 It 201 used programmable logic to interface a 486 EISA I/O bridge to the 202 CPU. 203 204config ALPHA_LX164 205 bool "LX164" 206 help 207 A technical overview of this board is available at 208 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 209 210config ALPHA_LYNX 211 bool "Lynx" 212 help 213 AlphaServer 2100A-based systems. 214 215config ALPHA_MARVEL 216 bool "Marvel" 217 help 218 AlphaServer ES47 / ES80 / GS1280 based on EV7. 219 220config ALPHA_MIATA 221 bool "Miata" 222 help 223 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, 224 or 600au). There is an Installation HOWTO for this hardware at 225 <http://eijk.homelinux.org/~stefan/miata.html>. 226 227config ALPHA_MIKASA 228 bool "Mikasa" 229 help 230 AlphaServer 1000-based Alpha systems. 231 232config ALPHA_NAUTILUS 233 bool "Nautilus" 234 help 235 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 236 237config ALPHA_NONAME_CH 238 bool "Noname" 239 240config ALPHA_NORITAKE 241 bool "Noritake" 242 help 243 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 244 systems. 245 246config ALPHA_PC164 247 bool "PC164" 248 249config ALPHA_P2K 250 bool "Platform2000" 251 252config ALPHA_RAWHIDE 253 bool "Rawhide" 254 help 255 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. 256 See HOWTO at 257 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 258 259config ALPHA_RUFFIAN 260 bool "Ruffian" 261 help 262 Samsung APC164UX. There is a page on known problems and workarounds 263 at <http://www.alphalinux.org/faq/FAQ-11.html>. 264 265config ALPHA_RX164 266 bool "RX164" 267 268config ALPHA_SX164 269 bool "SX164" 270 271config ALPHA_SABLE 272 bool "Sable" 273 help 274 Digital AlphaServer 2000 and 2100-based systems. 275 276config ALPHA_SHARK 277 bool "Shark" 278 279config ALPHA_TAKARA 280 bool "Takara" 281 help 282 Alpha 11164-based OEM single-board computer. 283 284config ALPHA_TITAN 285 bool "Titan" 286 help 287 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 288 289config ALPHA_WILDFIRE 290 bool "Wildfire" 291 help 292 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 293 294endchoice 295 296# clear all implied options (don't want default values for those): 297# Most of these machines have ISA slots; not exactly sure which don't, 298# and this doesn't activate hordes of code, so do it always. 299config ISA 300 bool 301 default y 302 help 303 Find out whether you have ISA slots on your motherboard. ISA is the 304 name of a bus system, i.e. the way the CPU talks to the other stuff 305 inside your box. Other bus systems are PCI, EISA, MicroChannel 306 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 307 newer boards don't support it. If you have ISA, say Y, otherwise N. 308 309config ISA_DMA_API 310 bool 311 default y 312 313config PCI 314 bool 315 depends on !ALPHA_JENSEN 316 default y 317 help 318 Find out whether you have a PCI motherboard. PCI is the name of a 319 bus system, i.e. the way the CPU talks to the other stuff inside 320 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or 321 VESA. If you have PCI, say Y, otherwise N. 322 323 The PCI-HOWTO, available from 324 <http://www.tldp.org/docs.html#howto>, contains valuable 325 information about which PCI hardware does work under Linux and which 326 doesn't. 327 328config PCI_DOMAINS 329 bool 330 default y 331 332config ALPHA_CORE_AGP 333 bool 334 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL 335 default y 336 337config ALPHA_NONAME 338 bool 339 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 340 default y 341 help 342 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 343 UDB). This design was produced by Digital's Technical OEM (TOEM) 344 group. It uses the 21066 processor running at 166MHz or 233MHz. It 345 is a baby-AT size, and runs from a standard PC power supply. It has 346 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 347 2 versions, with either PS/2 or large DIN connectors for the 348 keyboard. 349 350config ALPHA_EV4 351 bool 352 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 353 default y if !ALPHA_LYNX 354 355config ALPHA_LCA 356 bool 357 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 358 default y 359 360config ALPHA_APECS 361 bool 362 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL 363 default y 364 365config ALPHA_EB64P 366 bool 367 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH 368 default y 369 help 370 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 371 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. 372 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI 373 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), 374 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. 375 Runs from standard PC power supply. 376 377config ALPHA_EV5 378 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX 379 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 380 381config ALPHA_EV4 382 bool 383 default y if ALPHA_LYNX && !ALPHA_EV5 384 385config ALPHA_CIA 386 bool 387 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 388 default y 389 390config ALPHA_EV56 391 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR 392 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 393 394config ALPHA_EV56 395 prompt "EV56 CPU (speed >= 333MHz)?" 396 depends on ALPHA_NORITAKE || ALPHA_PRIMO 397 398config ALPHA_EV56 399 prompt "EV56 CPU (speed >= 400MHz)?" 400 depends on ALPHA_RAWHIDE 401 402config ALPHA_PRIMO 403 bool "EV5 CPU daughtercard (model 5/xxx)?" 404 depends on ALPHA_NORITAKE || ALPHA_MIKASA 405 help 406 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 407 408config ALPHA_GAMMA 409 bool "EV5 CPU(s) (model 5/xxx)?" 410 depends on ALPHA_SABLE 411 help 412 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 413 414config ALPHA_GAMMA 415 bool 416 depends on ALPHA_LYNX 417 default y 418 419config ALPHA_T2 420 bool 421 depends on ALPHA_SABLE || ALPHA_LYNX 422 default y 423 424config ALPHA_PYXIS 425 bool 426 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN 427 default y 428 429config ALPHA_EV6 430 bool 431 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL 432 default y 433 434config ALPHA_TSUNAMI 435 bool 436 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 437 default y 438 439config ALPHA_EV67 440 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 441 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 442 help 443 Is this a machine based on the EV67 core? If in doubt, select N here 444 and the machine will be treated as an EV6. 445 446config ALPHA_EV7 447 bool 448 depends on ALPHA_MARVEL 449 default y 450 451config ALPHA_MCPCIA 452 bool 453 depends on ALPHA_RAWHIDE 454 default y 455 456config ALPHA_POLARIS 457 bool 458 depends on ALPHA_RX164 459 default y 460 461config ALPHA_IRONGATE 462 bool 463 depends on ALPHA_NAUTILUS 464 default y 465 466config GENERIC_HWEIGHT 467 bool 468 default y if !ALPHA_EV67 469 470config ALPHA_AVANTI 471 bool 472 depends on ALPHA_XL || ALPHA_AVANTI_CH 473 default y 474 help 475 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based 476 Alphas. Info at 477 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. 478 479config ALPHA_BROKEN_IRQ_MASK 480 bool 481 depends on ALPHA_GENERIC || ALPHA_PC164 482 default y 483 484config ALPHA_SRM 485 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME 486 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 487 ---help--- 488 There are two different types of booting firmware on Alphas: SRM, 489 which is command line driven, and ARC, which uses menus and arrow 490 keys. Details about the Linux/Alpha booting process are contained in 491 the Linux/Alpha FAQ, accessible on the WWW from 492 <http://www.alphalinux.org/>. 493 494 The usual way to load Linux on an Alpha machine is to use MILO 495 (a bootloader that lets you pass command line parameters to the 496 kernel just like lilo does for the x86 architecture) which can be 497 loaded either from ARC or can be installed directly as a permanent 498 firmware replacement from floppy (which requires changing a certain 499 jumper on the motherboard). If you want to do either of these, say N 500 here. If MILO doesn't work on your system (true for Jensen 501 motherboards), you can bypass it altogether and boot Linux directly 502 from an SRM console; say Y here in order to do that. Note that you 503 won't be able to boot from an IDE disk using SRM. 504 505 If unsure, say N. 506 507config EISA 508 bool 509 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE 510 default y 511 512config ARCH_MAY_HAVE_PC_FDC 513 def_bool y 514 515config SMP 516 bool "Symmetric multi-processing support" 517 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL 518 ---help--- 519 This enables support for systems with more than one CPU. If you have 520 a system with only one CPU, like most personal computers, say N. If 521 you have a system with more than one CPU, say Y. 522 523 If you say N here, the kernel will run on single and multiprocessor 524 machines, but will use only one CPU of a multiprocessor machine. If 525 you say Y here, the kernel will run on many, but not all, 526 singleprocessor machines. On a singleprocessor machine, the kernel 527 will run faster if you say N here. 528 529 See also the <file:Documentation/smp.txt>, and the SMP-HOWTO 530 available at <http://www.tldp.org/docs.html#howto>. 531 532 If you don't know what to do here, say N. 533 534config HAVE_DEC_LOCK 535 bool 536 depends on SMP 537 default y 538 539config NR_CPUS 540 int "Maximum number of CPUs (2-64)" 541 range 2 64 542 depends on SMP 543 default "64" 544 545config ARCH_DISCONTIGMEM_ENABLE 546 bool "Discontiguous Memory Support (EXPERIMENTAL)" 547 depends on EXPERIMENTAL 548 help 549 Say Y to support efficient handling of discontiguous physical memory, 550 for architectures which are either NUMA (Non-Uniform Memory Access) 551 or have huge holes in the physical address space for other reasons. 552 See <file:Documentation/vm/numa> for more. 553 554source "mm/Kconfig" 555 556config NUMA 557 bool "NUMA Support (EXPERIMENTAL)" 558 depends on DISCONTIGMEM && BROKEN 559 help 560 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 561 Access). This option is for configuring high-end multiprocessor 562 server machines. If in doubt, say N. 563 564config NODES_SHIFT 565 int 566 default "7" 567 depends on NEED_MULTIPLE_NODES 568 569# LARGE_VMALLOC is racy, if you *really* need it then fix it first 570config ALPHA_LARGE_VMALLOC 571 bool 572 ---help--- 573 Process creation and other aspects of virtual memory management can 574 be streamlined if we restrict the kernel to one PGD for all vmalloc 575 allocations. This equates to about 8GB. 576 577 Under normal circumstances, this is so far and above what is needed 578 as to be laughable. However, there are certain applications (such 579 as benchmark-grade in-kernel web serving) that can make use of as 580 much vmalloc space as is available. 581 582 Say N unless you know you need gobs and gobs of vmalloc space. 583 584config VERBOSE_MCHECK 585 bool "Verbose Machine Checks" 586 587config VERBOSE_MCHECK_ON 588 int "Verbose Printing Mode (0=off, 1=on, 2=all)" 589 depends on VERBOSE_MCHECK 590 default 1 591 ---help--- 592 This option allows the default printing mode to be set, and then 593 possibly overridden by a boot command argument. 594 595 For example, if one wanted the option of printing verbose 596 machine checks, but wanted the default to be as if verbose 597 machine check printing was turned off, then one would choose 598 the printing mode to be 0. Then, upon reboot, one could add 599 the boot command line "verbose_mcheck=1" to get the normal 600 verbose machine check printing, or "verbose_mcheck=2" to get 601 the maximum information available. 602 603 Take the default (1) unless you want more control or more info. 604 605source "drivers/pci/Kconfig" 606source "drivers/eisa/Kconfig" 607 608source "drivers/pcmcia/Kconfig" 609 610config SRM_ENV 611 tristate "SRM environment through procfs" 612 depends on PROC_FS 613 ---help--- 614 If you enable this option, a subdirectory inside /proc called 615 /proc/srm_environment will give you access to the all important 616 SRM environment variables (those which have a name) and also 617 to all others (by their internal number). 618 619 SRM is something like a BIOS for Alpha machines. There are some 620 other such BIOSes, like AlphaBIOS, which this driver cannot 621 support (hey, that's not SRM!). 622 623 Despite the fact that this driver doesn't work on all Alphas (but 624 only on those which have SRM as their firmware), it's save to 625 build it even if your particular machine doesn't know about SRM 626 (or if you intend to compile a generic kernel). It will simply 627 not create those subdirectory in /proc (and give you some warning, 628 of course). 629 630 This driver is also available as a module and will be called 631 srm_env then. 632 633source "fs/Kconfig.binfmt" 634 635endmenu 636 637source "net/Kconfig" 638 639source "drivers/Kconfig" 640 641source "fs/Kconfig" 642 643source "arch/alpha/oprofile/Kconfig" 644 645source "arch/alpha/Kconfig.debug" 646 647source "security/Kconfig" 648 649source "crypto/Kconfig" 650 651source "lib/Kconfig" 652 653