1 # SPDX-License-Identifier: GPL-2.0 2 config ALPHA 3 bool 4 default y 5 select ARCH_32BIT_USTAT_F_TINODE 6 select ARCH_HAS_CURRENT_STACK_POINTER 7 select ARCH_HAS_DMA_OPS if PCI 8 select ARCH_MIGHT_HAVE_PC_PARPORT 9 select ARCH_MIGHT_HAVE_PC_SERIO 10 select ARCH_NO_PREEMPT 11 select ARCH_NO_SG_CHAIN 12 select ARCH_USE_CMPXCHG_LOCKREF 13 select FORCE_PCI 14 select PCI_DOMAINS if PCI 15 select PCI_SYSCALL if PCI 16 select HAVE_ASM_MODVERSIONS 17 select HAVE_PAGE_SIZE_8KB 18 select HAVE_PCSPKR_PLATFORM 19 select HAVE_PERF_EVENTS 20 select NEED_DMA_MAP_STATE 21 select NEED_SG_DMA_LENGTH 22 select GENERIC_IRQ_PROBE 23 select GENERIC_PCI_IOMAP 24 select AUTO_IRQ_AFFINITY if SMP 25 select GENERIC_IRQ_SHOW 26 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_HAVE_NMI_SAFE_CMPXCHG 28 select AUDIT_ARCH 29 select GENERIC_CPU_VULNERABILITIES 30 select GENERIC_SMP_IDLE_THREAD 31 select HAS_IOPORT 32 select HAVE_ARCH_AUDITSYSCALL 33 select HAVE_MOD_ARCH_SPECIFIC 34 select LOCK_MM_AND_FIND_VMA 35 select MODULES_USE_ELF_RELA 36 select ODD_RT_SIGACTION 37 select OLD_SIGSUSPEND 38 select CPU_NO_EFFICIENT_FFS if !ALPHA_ 39 select MMU_GATHER_NO_RANGE 40 select SPARSEMEM_EXTREME if SPARSEMEM 41 select ZONE_DMA 42 help 43 The Alpha is a 64-bit general-purpos 44 marketed by the Digital Equipment Co 45 now Hewlett-Packard. The Alpha Linu 46 <http://www.alphalinux.org/>. 47 48 config 64BIT 49 def_bool y 50 51 config MMU 52 bool 53 default y 54 55 config ARCH_HAS_ILOG2_U32 56 bool 57 default n 58 59 config ARCH_HAS_ILOG2_U64 60 bool 61 default n 62 63 config GENERIC_CALIBRATE_DELAY 64 bool 65 default y 66 67 config GENERIC_ISA_DMA 68 bool 69 default y 70 71 config PGTABLE_LEVELS 72 int 73 default 3 74 75 config AUDIT_ARCH 76 bool 77 78 menu "System setup" 79 80 choice 81 prompt "Alpha system type" 82 default ALPHA_GENERIC 83 help 84 This is the system type of your hard 85 run on any supported Alpha system. H 86 kernel for your specific system, it 87 88 To find out what type of Alpha syste 89 check out the Linux/Alpha FAQ, acces 90 <http://www.alphalinux.org/>. In sum 91 92 Alcor/Alpha-XLT AS 600, AS 500, 93 DP264 DP264 / DS20 / E 94 LX164 AlphaPC164-LX 95 Miata Personal Worksta 96 Marvel AlphaServer ES47 97 Mikasa AS 1000 98 Noritake AS 1000A, AS 600 99 PC164 AlphaPC164 100 Rawhide AS 1200, AS 4000 101 Ruffian RPX164-2, AlphaP 102 SX164 AlphaPC164-SX 103 Sable AS 2000, AS 2100 104 Shark DS 20L 105 Takara Takara (OEM) 106 Titan AlphaServer ES45 107 Wildfire AlphaServer GS 4 108 109 If you don't know what to do, choose 110 111 config ALPHA_GENERIC 112 bool "Generic" 113 depends on TTY 114 select HAVE_EISA 115 help 116 A generic kernel will run on all sup 117 118 config ALPHA_ALCOR 119 bool "Alcor/Alpha-XLT" 120 select HAVE_EISA 121 help 122 For systems using the Digital ALCOR 123 slices (Data Switch, DSW) - 208-pin 124 Address, CIA) - a 383 pin plastic PG 125 controller (256-bit memory bus) and 126 all the work required to support an 127 memory coherence when a PCI device D 128 129 config ALPHA_DP264 130 bool "DP264" 131 help 132 Various 21264 systems with the tsuna 133 API Networks: 264DP, UP2000(+), CS20 134 Compaq: DS10(E,L), XP900, XP1000, DS 135 136 config ALPHA_EIGER 137 bool "Eiger" 138 help 139 Apparently an obscure OEM single-boa 140 Typhoon/Tsunami chipset family. Info 141 142 config ALPHA_LX164 143 bool "LX164" 144 help 145 A technical overview of this board i 146 <http://www.unix-ag.org/Linux-Alpha/ 147 148 config ALPHA_MARVEL 149 bool "Marvel" 150 help 151 AlphaServer ES47 / ES80 / GS1280 bas 152 153 config ALPHA_MIATA 154 bool "Miata" 155 select HAVE_EISA 156 help 157 The Digital PersonalWorkStation (PWS 158 or 600au). 159 160 config ALPHA_MIKASA 161 bool "Mikasa" 162 help 163 AlphaServer 1000-based Alpha systems 164 165 config ALPHA_NAUTILUS 166 bool "Nautilus" 167 help 168 Alpha systems based on the AMD 751 & 169 170 config ALPHA_NORITAKE 171 bool "Noritake" 172 select HAVE_EISA 173 help 174 AlphaServer 1000A, AlphaServer 600A, 175 systems. 176 177 config ALPHA_PC164 178 bool "PC164" 179 180 config ALPHA_RAWHIDE 181 bool "Rawhide" 182 select HAVE_EISA 183 help 184 AlphaServer 1200, AlphaServer 4000 a 185 See HOWTO at 186 <http://www.alphalinux.org/docs/rawh 187 188 config ALPHA_RUFFIAN 189 bool "Ruffian" 190 help 191 Samsung APC164UX. There is a page o 192 at <http://www.alphalinux.org/faq/FA 193 194 config ALPHA_RX164 195 bool "RX164" 196 197 config ALPHA_SX164 198 bool "SX164" 199 200 config ALPHA_SABLE 201 bool "Sable" 202 select HAVE_EISA 203 help 204 Digital AlphaServer 2000 and 2100-ba 205 206 config ALPHA_SHARK 207 bool "Shark" 208 209 config ALPHA_TAKARA 210 bool "Takara" 211 help 212 Alpha 11164-based OEM single-board c 213 214 config ALPHA_TITAN 215 bool "Titan" 216 help 217 AlphaServer ES45/DS25 SMP based on E 218 219 config ALPHA_WILDFIRE 220 bool "Wildfire" 221 help 222 AlphaServer GS 40/80/160/320 SMP bas 223 224 endchoice 225 226 # clear all implied options (don't want defaul 227 # Most of these machines have ISA slots; not e 228 # and this doesn't activate hordes of code, so 229 config ISA 230 bool 231 default y 232 help 233 Find out whether you have ISA slots 234 name of a bus system, i.e. the way t 235 inside your box. Other bus systems 236 (MCA) or VESA. ISA is an older syst 237 newer boards don't support it. If y 238 239 config ISA_DMA_API 240 bool 241 default y 242 243 config ALPHA_CIA 244 bool 245 depends on ALPHA_MIATA || ALPHA_LX164 246 default y 247 248 config ALPHA_EV56 249 bool 250 default y if ALPHA_ALCOR || ALPHA_RX16 251 252 config ALPHA_T2 253 bool 254 depends on ALPHA_SABLE 255 default y 256 257 config ALPHA_PYXIS 258 bool 259 depends on ALPHA_MIATA || ALPHA_LX164 260 default y 261 262 config ALPHA_EV6 263 bool 264 depends on ALPHA_NAUTILUS || ALPHA_WIL 265 default y 266 267 config ALPHA_TSUNAMI 268 bool 269 depends on ALPHA_SHARK || ALPHA_DP264 270 default y 271 272 config ALPHA_EV67 273 bool "EV67 (or later) CPU (speed > 600 274 default y if ALPHA_NAUTILUS || ALPHA_W 275 help 276 Is this a machine based on the EV67 277 and the machine will be treated as a 278 279 config ALPHA_MCPCIA 280 bool 281 depends on ALPHA_RAWHIDE 282 default y 283 284 config ALPHA_POLARIS 285 bool 286 depends on ALPHA_RX164 287 default y 288 289 config ALPHA_IRONGATE 290 bool 291 depends on ALPHA_NAUTILUS 292 default y 293 294 config GENERIC_HWEIGHT 295 bool 296 default y if !ALPHA_EV67 297 298 config ALPHA_BROKEN_IRQ_MASK 299 bool 300 depends on ALPHA_GENERIC || ALPHA_PC16 301 default y 302 303 config VGA_HOSE 304 bool 305 depends on VGA_CONSOLE && (ALPHA_GENER 306 default y 307 help 308 Support VGA on an arbitrary hose; ne 309 which always have multiple hoses, an 310 311 312 config ALPHA_QEMU 313 bool "Run under QEMU emulation" 314 depends on !ALPHA_GENERIC 315 help 316 Assume the presence of special featu 317 that reduce the overhead of system e 318 319 Generic kernels will auto-detect QEM 320 system-specific kernel, the assumpti 321 eliminate as many runtime tests as p 322 323 If unsure, say N. 324 325 326 config ALPHA_SRM 327 bool "Use SRM as bootloader" if ALPHA_ 328 depends on TTY 329 default y if ALPHA_MIKASA || ALPHA_SAB 330 help 331 There are two different types of boo 332 which is command line driven, and AR 333 keys. Details about the Linux/Alpha 334 the Linux/Alpha FAQ, accessible on t 335 <http://www.alphalinux.org/>. 336 337 The usual way to load Linux on an Al 338 (a bootloader that lets you pass com 339 kernel just like lilo does for the x 340 loaded either from ARC or can be ins 341 firmware replacement from floppy (wh 342 jumper on the motherboard). If you w 343 here. If MILO doesn't work on your s 344 motherboards), you can bypass it alt 345 from an SRM console; say Y here in o 346 won't be able to boot from an IDE di 347 348 If unsure, say N. 349 350 config ARCH_MAY_HAVE_PC_FDC 351 def_bool y 352 353 config SMP 354 bool "Symmetric multi-processing suppo 355 depends on ALPHA_SABLE || ALPHA_RAWHID 356 help 357 This enables support for systems wit 358 a system with only one CPU, say N. I 359 than one CPU, say Y. 360 361 If you say N here, the kernel will r 362 machines, but will use only one CPU 363 you say Y here, the kernel will run 364 uniprocessor machines. On a uniproce 365 will run faster if you say N here. 366 367 See also the SMP-HOWTO available at 368 <https://www.tldp.org/docs.html#howt 369 370 If you don't know what to do here, s 371 372 config NR_CPUS 373 int "Maximum number of CPUs (2-32)" 374 range 2 32 375 depends on SMP 376 default "32" if ALPHA_GENERIC || ALPHA 377 default "4" if !ALPHA_GENERIC && !ALPH 378 help 379 MARVEL support can handle a maximum 380 with working support have a maximum 381 382 config ARCH_SPARSEMEM_ENABLE 383 bool "Sparse Memory Support" 384 help 385 Say Y to support efficient handling 386 for systems that have huge holes in 387 388 config ALPHA_WTINT 389 bool "Use WTINT" if ALPHA_SRM || ALPHA 390 default y if ALPHA_QEMU 391 default n if ALPHA_EV56 392 default n if !ALPHA_SRM && !ALPHA_GENE 393 default y if SMP 394 help 395 The Wait for Interrupt (WTINT) PALca 396 to sleep until the next interrupt. 397 consumed, and the heat produced by t 398 the side effect of making the cycle 399 device across the sleep. 400 401 For emulation under QEMU, definitely 402 mechanisms for measuring time than t 403 404 For EV4 (but not LCA), EV5 and EV56 405 MILO, sleep mode is not supported so 406 407 For SMP systems we cannot use the cy 408 so you might as well say Y here. 409 410 If unsure, say N. 411 412 # LARGE_VMALLOC is racy, if you *really* need 413 config ALPHA_LARGE_VMALLOC 414 bool 415 help 416 Process creation and other aspects o 417 be streamlined if we restrict the ke 418 allocations. This equates to about 419 420 Under normal circumstances, this is 421 as to be laughable. However, there 422 as benchmark-grade in-kernel web ser 423 much vmalloc space as is available. 424 425 Say N unless you know you need gobs 426 427 config VERBOSE_MCHECK 428 bool "Verbose Machine Checks" 429 430 config VERBOSE_MCHECK_ON 431 int "Verbose Printing Mode (0=off, 1=o 432 depends on VERBOSE_MCHECK 433 default 1 434 help 435 This option allows the default print 436 possibly overridden by a boot comman 437 438 For example, if one wanted the optio 439 machine checks, but wanted the defau 440 machine check printing was turned of 441 the printing mode to be 0. Then, upo 442 the boot command line "verbose_mchec 443 verbose machine check printing, or " 444 the maximum information available. 445 446 Take the default (1) unless you want 447 448 choice 449 prompt "Timer interrupt frequency (HZ) 450 default HZ_128 if ALPHA_QEMU 451 default HZ_1200 if ALPHA_RAWHIDE 452 default HZ_1024 453 help 454 The frequency at which timer interru 455 minimizes latency, whereas a low fre 456 process accounting. The later effec 457 when being run under QEMU. 458 459 Note that some Alpha hardware cannot 460 of the timer. If unsure, say 1024 ( 461 462 config HZ_32 463 bool "32 Hz" 464 config HZ_64 465 bool "64 Hz" 466 config HZ_128 467 bool "128 Hz" 468 config HZ_256 469 bool "256 Hz" 470 config HZ_1024 471 bool "1024 Hz" 472 config HZ_1200 473 bool "1200 Hz" 474 endchoice 475 476 config HZ 477 int 478 default 32 if HZ_32 479 default 64 if HZ_64 480 default 128 if HZ_128 481 default 256 if HZ_256 482 default 1200 if HZ_1200 483 default 1024 484 485 config SRM_ENV 486 tristate "SRM environment through proc 487 depends on PROC_FS 488 help 489 If you enable this option, a subdire 490 /proc/srm_environment will give you 491 SRM environment variables (those whi 492 to all others (by their internal num 493 494 SRM is something like a BIOS for Alp 495 other such BIOSes, like AlphaBIOS, w 496 support (hey, that's not SRM!). 497 498 Despite the fact that this driver do 499 only on those which have SRM as thei 500 build it even if your particular mac 501 (or if you intend to compile a gener 502 not create those subdirectory in /pr 503 of course). 504 505 This driver is also available as a m 506 srm_env then. 507 508 endmenu 509 510 # DUMMY_CONSOLE may be defined in drivers/vide 511 # but we also need it if VGA_HOSE is set 512 config DUMMY_CONSOLE 513 bool 514 depends on VGA_HOSE 515 default y
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