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 UID16 22 bool 23 24config RWSEM_GENERIC_SPINLOCK 25 bool 26 27config RWSEM_XCHGADD_ALGORITHM 28 bool 29 default y 30 31config GENERIC_CALIBRATE_DELAY 32 bool 33 default y 34 35config GENERIC_ISA_DMA 36 bool 37 default y 38 39config GENERIC_IOMAP 40 bool 41 default n 42 43source "init/Kconfig" 44 45 46menu "System setup" 47 48choice 49 prompt "Alpha system type" 50 default ALPHA_GENERIC 51 ---help--- 52 This is the system type of your hardware. A "generic" kernel will 53 run on any supported Alpha system. However, if you configure a 54 kernel for your specific system, it will be faster and smaller. 55 56 To find out what type of Alpha system you have, you may want to 57 check out the Linux/Alpha FAQ, accessible on the WWW from 58 <http://www.alphalinux.org/>. In summary: 59 60 Alcor/Alpha-XLT AS 600 61 Alpha-XL XL-233, XL-266 62 AlphaBook1 Alpha laptop 63 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 64 Cabriolet AlphaPC64, AlphaPCI64 65 DP264 DP264 66 EB164 EB164 21164 evaluation board 67 EB64+ EB64+ 21064 evaluation board 68 EB66 EB66 21066 evaluation board 69 EB66+ EB66+ 21066 evaluation board 70 Jensen DECpc 150, DEC 2000 model 300, 71 DEC 2000 model 500 72 LX164 AlphaPC164-LX 73 Lynx AS 2100A 74 Miata Personal Workstation 433a, 433au, 500a, 75 500au, 600a, or 600au 76 Marvel AlphaServer ES47 / ES80 / GS1280 77 Mikasa AS 1000 78 Noname AXPpci33, UDB (Multia) 79 Noritake AS 1000A, AS 600A, AS 800 80 PC164 AlphaPC164 81 Rawhide AS 1200, AS 4000, AS 4100 82 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX 83 SX164 AlphaPC164-SX 84 Sable AS 2000, AS 2100 85 Shark DS 20L 86 Takara Takara 87 Titan AlphaServer ES45 / DS25 88 Wildfire AlphaServer GS 40/80/160/320 89 90 If you don't know what to do, choose "generic". 91 92config ALPHA_GENERIC 93 bool "Generic" 94 help 95 A generic kernel will run on all supported Alpha hardware. 96 97config ALPHA_ALCOR 98 bool "Alcor/Alpha-XLT" 99 help 100 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data 101 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O 102 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM 103 controller (256-bit memory bus) and a PCI interface. It also does 104 all the work required to support an external Bcache and to maintain 105 memory coherence when a PCI device DMAs into (or out of) memory. 106 107config ALPHA_XL 108 bool "Alpha-XL" 109 help 110 XL-233 and XL-266-based Alpha systems. 111 112config ALPHA_BOOK1 113 bool "AlphaBook1" 114 help 115 Dec AlphaBook1/Burns Alpha-based laptops. 116 117config ALPHA_AVANTI_CH 118 bool "Avanti" 119 120config ALPHA_CABRIOLET 121 bool "Cabriolet" 122 help 123 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 124 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 125 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 126 Bcache SIMMs. Requires power supply with 3.3V output. 127 128config ALPHA_DP264 129 bool "DP264" 130 help 131 Various 21264 systems with the tsunami core logic chipset. 132 API Networks: 264DP, UP2000(+), CS20; 133 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 134 135config ALPHA_EB164 136 bool "EB164" 137 help 138 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has 139 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is 140 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in 141 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, 142 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized 143 motherboard. Requires power supply with 3.3V output. 144 145config ALPHA_EB64P_CH 146 bool "EB64+" 147 148config ALPHA_EB66 149 bool "EB66" 150 help 151 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is 152 identical to EB64+. Baby PC-AT size. Runs from standard PC power 153 supply. The EB66 schematic was published as a marketing poster 154 advertising the 21066 as "the first microprocessor in the world with 155 embedded PCI". 156 157config ALPHA_EB66P 158 bool "EB66+" 159 help 160 Later variant of the EB66 board. 161 162config ALPHA_EIGER 163 bool "Eiger" 164 help 165 Apparently an obscure OEM single-board computer based on the 166 Typhoon/Tsunami chipset family. Information on it is scanty. 167 168config ALPHA_JENSEN 169 bool "Jensen" 170 help 171 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one 172 of the first-generation Alpha systems. A number of these systems 173 seem to be available on the second- hand market. The Jensen is a 174 floor-standing tower system which originally used a 150MHz 21064 It 175 used programmable logic to interface a 486 EISA I/O bridge to the 176 CPU. 177 178config ALPHA_LX164 179 bool "LX164" 180 help 181 A technical overview of this board is available at 182 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 183 184config ALPHA_LYNX 185 bool "Lynx" 186 help 187 AlphaServer 2100A-based systems. 188 189config ALPHA_MARVEL 190 bool "Marvel" 191 help 192 AlphaServer ES47 / ES80 / GS1280 based on EV7. 193 194config ALPHA_MIATA 195 bool "Miata" 196 help 197 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, 198 or 600au). There is an Installation HOWTO for this hardware at 199 <http://eijk.homelinux.org/~stefan/miata.html>. 200 201config ALPHA_MIKASA 202 bool "Mikasa" 203 help 204 AlphaServer 1000-based Alpha systems. 205 206config ALPHA_NAUTILUS 207 bool "Nautilus" 208 help 209 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 210 211config ALPHA_NONAME_CH 212 bool "Noname" 213 214config ALPHA_NORITAKE 215 bool "Noritake" 216 help 217 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 218 systems. 219 220config ALPHA_PC164 221 bool "PC164" 222 223config ALPHA_P2K 224 bool "Platform2000" 225 226config ALPHA_RAWHIDE 227 bool "Rawhide" 228 help 229 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. 230 See HOWTO at 231 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 232 233config ALPHA_RUFFIAN 234 bool "Ruffian" 235 help 236 Samsung APC164UX. There is a page on known problems and workarounds 237 at <http://www.alphalinux.org/faq/FAQ-11.html>. 238 239config ALPHA_RX164 240 bool "RX164" 241 242config ALPHA_SX164 243 bool "SX164" 244 245config ALPHA_SABLE 246 bool "Sable" 247 help 248 Digital AlphaServer 2000 and 2100-based systems. 249 250config ALPHA_SHARK 251 bool "Shark" 252 253config ALPHA_TAKARA 254 bool "Takara" 255 help 256 Alpha 11164-based OEM single-board computer. 257 258config ALPHA_TITAN 259 bool "Titan" 260 help 261 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 262 263config ALPHA_WILDFIRE 264 bool "Wildfire" 265 help 266 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 267 268endchoice 269 270# clear all implied options (don't want default values for those): 271# Most of these machines have ISA slots; not exactly sure which don't, 272# and this doesn't activate hordes of code, so do it always. 273config ISA 274 bool 275 default y 276 help 277 Find out whether you have ISA slots on your motherboard. ISA is the 278 name of a bus system, i.e. the way the CPU talks to the other stuff 279 inside your box. Other bus systems are PCI, EISA, MicroChannel 280 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 281 newer boards don't support it. If you have ISA, say Y, otherwise N. 282 283config ISA_DMA_API 284 bool 285 default y 286 287config PCI 288 bool 289 depends on !ALPHA_JENSEN 290 default y 291 help 292 Find out whether you have a PCI motherboard. PCI is the name of a 293 bus system, i.e. the way the CPU talks to the other stuff inside 294 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or 295 VESA. If you have PCI, say Y, otherwise N. 296 297 The PCI-HOWTO, available from 298 <http://www.tldp.org/docs.html#howto>, contains valuable 299 information about which PCI hardware does work under Linux and which 300 doesn't. 301 302config PCI_DOMAINS 303 bool 304 default y 305 306config ALPHA_CORE_AGP 307 bool 308 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL 309 default y 310 311config ALPHA_NONAME 312 bool 313 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 314 default y 315 help 316 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 317 UDB). This design was produced by Digital's Technical OEM (TOEM) 318 group. It uses the 21066 processor running at 166MHz or 233MHz. It 319 is a baby-AT size, and runs from a standard PC power supply. It has 320 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 321 2 versions, with either PS/2 or large DIN connectors for the 322 keyboard. 323 324config ALPHA_EV4 325 bool 326 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 327 default y if !ALPHA_LYNX 328 329config ALPHA_LCA 330 bool 331 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 332 default y 333 334config ALPHA_APECS 335 bool 336 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL 337 default y 338 339config ALPHA_EB64P 340 bool 341 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH 342 default y 343 help 344 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 345 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. 346 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI 347 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), 348 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. 349 Runs from standard PC power supply. 350 351config ALPHA_EV5 352 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX 353 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 354 355config ALPHA_EV4 356 bool 357 default y if ALPHA_LYNX && !ALPHA_EV5 358 359config ALPHA_CIA 360 bool 361 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 362 default y 363 364config ALPHA_EV56 365 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR 366 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 367 368config ALPHA_EV56 369 prompt "EV56 CPU (speed >= 333MHz)?" 370 depends on ALPHA_NORITAKE && ALPHA_PRIMO 371 372config ALPHA_EV56 373 prompt "EV56 CPU (speed >= 400MHz)?" 374 depends on ALPHA_RAWHIDE 375 376config ALPHA_PRIMO 377 bool "EV5 CPU daughtercard (model 5/xxx)?" 378 depends on ALPHA_NORITAKE || ALPHA_MIKASA 379 help 380 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 381 382config ALPHA_GAMMA 383 bool "EV5 CPU(s) (model 5/xxx)?" 384 depends on ALPHA_SABLE 385 help 386 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 387 388config ALPHA_GAMMA 389 bool 390 depends on ALPHA_LYNX 391 default y 392 393config ALPHA_T2 394 bool 395 depends on ALPHA_SABLE || ALPHA_LYNX 396 default y 397 398config ALPHA_PYXIS 399 bool 400 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN 401 default y 402 403config ALPHA_EV6 404 bool 405 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL 406 default y 407 408config ALPHA_TSUNAMI 409 bool 410 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 411 default y 412 413config ALPHA_EV67 414 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 415 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 416 help 417 Is this a machine based on the EV67 core? If in doubt, select N here 418 and the machine will be treated as an EV6. 419 420config ALPHA_EV7 421 bool 422 depends on ALPHA_MARVEL 423 default y 424 425config ALPHA_MCPCIA 426 bool 427 depends on ALPHA_RAWHIDE 428 default y 429 430config ALPHA_POLARIS 431 bool 432 depends on ALPHA_RX164 433 default y 434 435config ALPHA_IRONGATE 436 bool 437 depends on ALPHA_NAUTILUS 438 default y 439 440config ALPHA_AVANTI 441 bool 442 depends on ALPHA_XL || ALPHA_AVANTI_CH 443 default y 444 help 445 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based 446 Alphas. Info at 447 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. 448 449config ALPHA_BROKEN_IRQ_MASK 450 bool 451 depends on ALPHA_GENERIC || ALPHA_PC164 452 default y 453 454config ALPHA_SRM 455 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 456 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 457 ---help--- 458 There are two different types of booting firmware on Alphas: SRM, 459 which is command line driven, and ARC, which uses menus and arrow 460 keys. Details about the Linux/Alpha booting process are contained in 461 the Linux/Alpha FAQ, accessible on the WWW from 462 <http://www.alphalinux.org/>. 463 464 The usual way to load Linux on an Alpha machine is to use MILO 465 (a bootloader that lets you pass command line parameters to the 466 kernel just like lilo does for the x86 architecture) which can be 467 loaded either from ARC or can be installed directly as a permanent 468 firmware replacement from floppy (which requires changing a certain 469 jumper on the motherboard). If you want to do either of these, say N 470 here. If MILO doesn't work on your system (true for Jensen 471 motherboards), you can bypass it altogether and boot Linux directly 472 from an SRM console; say Y here in order to do that. Note that you 473 won't be able to boot from an IDE disk using SRM. 474 475 If unsure, say N. 476 477config EISA 478 bool 479 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE 480 default y 481 482config SMP 483 bool "Symmetric multi-processing support" 484 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL 485 ---help--- 486 This enables support for systems with more than one CPU. If you have 487 a system with only one CPU, like most personal computers, say N. If 488 you have a system with more than one CPU, say Y. 489 490 If you say N here, the kernel will run on single and multiprocessor 491 machines, but will use only one CPU of a multiprocessor machine. If 492 you say Y here, the kernel will run on many, but not all, 493 singleprocessor machines. On a singleprocessor machine, the kernel 494 will run faster if you say N here. 495 496 See also the <file:Documentation/smp.txt>, and the SMP-HOWTO 497 available at <http://www.tldp.org/docs.html#howto>. 498 499 If you don't know what to do here, say N. 500 501config HAVE_DEC_LOCK 502 bool 503 depends on SMP 504 default y 505 506config NR_CPUS 507 int "Maximum number of CPUs (2-64)" 508 range 2 64 509 depends on SMP 510 default "64" 511 512config ARCH_DISCONTIGMEM_ENABLE 513 bool "Discontiguous Memory Support (EXPERIMENTAL)" 514 depends on EXPERIMENTAL 515 help 516 Say Y to upport efficient handling of discontiguous physical memory, 517 for architectures which are either NUMA (Non-Uniform Memory Access) 518 or have huge holes in the physical address space for other reasons. 519 See <file:Documentation/vm/numa> for more. 520 521source "mm/Kconfig" 522 523config NUMA 524 bool "NUMA Support (EXPERIMENTAL)" 525 depends on DISCONTIGMEM 526 help 527 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 528 Access). This option is for configuring high-end multiprocessor 529 server machines. If in doubt, say N. 530 531# LARGE_VMALLOC is racy, if you *really* need it then fix it first 532config ALPHA_LARGE_VMALLOC 533 bool 534 ---help--- 535 Process creation and other aspects of virtual memory management can 536 be streamlined if we restrict the kernel to one PGD for all vmalloc 537 allocations. This equates to about 8GB. 538 539 Under normal circumstances, this is so far and above what is needed 540 as to be laughable. However, there are certain applications (such 541 as benchmark-grade in-kernel web serving) that can make use of as 542 much vmalloc space as is available. 543 544 Say N unless you know you need gobs and gobs of vmalloc space. 545 546config VERBOSE_MCHECK 547 bool "Verbose Machine Checks" 548 549config VERBOSE_MCHECK_ON 550 int "Verbose Printing Mode (0=off, 1=on, 2=all)" 551 depends on VERBOSE_MCHECK 552 default 1 553 ---help--- 554 This option allows the default printing mode to be set, and then 555 possibly overridden by a boot command argument. 556 557 For example, if one wanted the option of printing verbose 558 machine checks, but wanted the default to be as if verbose 559 machine check printing was turned off, then one would choose 560 the printing mode to be 0. Then, upon reboot, one could add 561 the boot command line "verbose_mcheck=1" to get the normal 562 verbose machine check printing, or "verbose_mcheck=2" to get 563 the maximum information available. 564 565 Take the default (1) unless you want more control or more info. 566 567source "drivers/pci/Kconfig" 568source "drivers/eisa/Kconfig" 569 570source "drivers/pcmcia/Kconfig" 571 572config SRM_ENV 573 tristate "SRM environment through procfs" 574 depends on PROC_FS 575 ---help--- 576 If you enable this option, a subdirectory inside /proc called 577 /proc/srm_environment will give you access to the all important 578 SRM environment variables (those which have a name) and also 579 to all others (by their internal number). 580 581 SRM is something like a BIOS for Alpha machines. There are some 582 other such BIOSes, like AlphaBIOS, which this driver cannot 583 support (hey, that's not SRM!). 584 585 Despite the fact that this driver doesn't work on all Alphas (but 586 only on those which have SRM as their firmware), it's save to 587 build it even if your particular machine doesn't know about SRM 588 (or if you intend to compile a generic kernel). It will simply 589 not create those subdirectory in /proc (and give you some warning, 590 of course). 591 592 This driver is also available as a module and will be called 593 srm_env then. 594 595source "fs/Kconfig.binfmt" 596 597endmenu 598 599source "drivers/Kconfig" 600 601source "fs/Kconfig" 602 603source "arch/alpha/oprofile/Kconfig" 604 605source "arch/alpha/Kconfig.debug" 606 607source "security/Kconfig" 608 609source "crypto/Kconfig" 610 611source "lib/Kconfig" 612 613