1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config M68K !! 2 config ALPHA
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 select ARCH_HAS_BINFMT_FLAT !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 select ARCH_HAS_CPU_CACHE_ALIASING !! 7 select ARCH_NO_PREEMPT
8 select ARCH_HAS_CPU_FINALIZE_INIT if M !! 8 select ARCH_NO_SG_CHAIN
9 select ARCH_HAS_CURRENT_STACK_POINTER !! 9 select ARCH_USE_CMPXCHG_LOCKREF
10 select ARCH_HAS_DMA_PREP_COHERENT if M !! 10 select FORCE_PCI if !ALPHA_JENSEN
11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !! 11 select PCI_DOMAINS if PCI
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if R !! 12 select PCI_SYSCALL if PCI
13 select ARCH_MIGHT_HAVE_PC_PARPORT if I !! 13 select HAVE_AOUT
14 select ARCH_NO_PREEMPT if !COLDFIRE <<
15 select ARCH_USE_MEMTEST if MMU_MOTOROL <<
16 select ARCH_WANT_IPC_PARSE_VERSION <<
17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK <<
18 select DMA_DIRECT_REMAP if M68K_NONCOH <<
19 select GENERIC_ATOMIC64 <<
20 select GENERIC_CPU_DEVICES <<
21 select GENERIC_IOMAP if HAS_IOPORT <<
22 select GENERIC_IRQ_SHOW <<
23 select GENERIC_LIB_ASHLDI3 <<
24 select GENERIC_LIB_ASHRDI3 <<
25 select GENERIC_LIB_LSHRDI3 <<
26 select HAS_IOPORT if PCI || ISA || ATA <<
27 select HAVE_ARCH_SECCOMP <<
28 select HAVE_ARCH_SECCOMP_FILTER <<
29 select HAVE_ASM_MODVERSIONS 14 select HAVE_ASM_MODVERSIONS
30 select HAVE_DEBUG_BUGVERBOSE !! 15 select HAVE_IDE
31 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 16 select HAVE_OPROFILE
>> 17 select HAVE_PCSPKR_PLATFORM
>> 18 select HAVE_PERF_EVENTS
>> 19 select NEED_DMA_MAP_STATE
>> 20 select NEED_SG_DMA_LENGTH
>> 21 select VIRT_TO_BUS
>> 22 select GENERIC_IRQ_PROBE
>> 23 select GENERIC_PCI_IOMAP if PCI
>> 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_CLOCKEVENTS
>> 30 select GENERIC_CPU_VULNERABILITIES
>> 31 select GENERIC_SMP_IDLE_THREAD
>> 32 select GENERIC_STRNCPY_FROM_USER
>> 33 select GENERIC_STRNLEN_USER
>> 34 select HAVE_ARCH_AUDITSYSCALL
32 select HAVE_MOD_ARCH_SPECIFIC 35 select HAVE_MOD_ARCH_SPECIFIC
33 select HAVE_UID16 <<
34 select MMU_GATHER_NO_RANGE if MMU <<
35 select MODULES_USE_ELF_REL <<
36 select MODULES_USE_ELF_RELA 36 select MODULES_USE_ELF_RELA
37 select NO_DMA if !MMU && !COLDFIRE !! 37 select ODD_RT_SIGACTION
38 select OLD_SIGACTION !! 38 select OLD_SIGSUSPEND
39 select OLD_SIGSUSPEND3 !! 39 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
40 select UACCESS_MEMCPY if !MMU !! 40 select MMU_GATHER_NO_RANGE
41 select ZONE_DMA !! 41 help
>> 42 The Alpha is a 64-bit general-purpose processor designed and
>> 43 marketed by the Digital Equipment Corporation of blessed memory,
>> 44 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 45 <http://www.alphalinux.org/>.
42 46
43 config CPU_BIG_ENDIAN !! 47 config 64BIT
44 def_bool y 48 def_bool y
45 49
>> 50 config MMU
>> 51 bool
>> 52 default y
>> 53
46 config ARCH_HAS_ILOG2_U32 54 config ARCH_HAS_ILOG2_U32
47 bool 55 bool
>> 56 default n
48 57
49 config ARCH_HAS_ILOG2_U64 58 config ARCH_HAS_ILOG2_U64
50 bool 59 bool
>> 60 default n
51 61
52 config GENERIC_HWEIGHT !! 62 config GENERIC_CALIBRATE_DELAY
53 bool 63 bool
54 default y 64 default y
55 65
56 config GENERIC_CALIBRATE_DELAY !! 66 config ZONE_DMA
57 bool 67 bool
58 default y 68 default y
59 69
60 config GENERIC_CSUM !! 70 config GENERIC_ISA_DMA
>> 71 bool
>> 72 default y
>> 73
>> 74 config PGTABLE_LEVELS
>> 75 int
>> 76 default 3
>> 77
>> 78 config AUDIT_ARCH
61 bool 79 bool
62 80
63 config TIME_LOW_RES !! 81 menu "System setup"
>> 82
>> 83 choice
>> 84 prompt "Alpha system type"
>> 85 default ALPHA_GENERIC
>> 86 help
>> 87 This is the system type of your hardware. A "generic" kernel will
>> 88 run on any supported Alpha system. However, if you configure a
>> 89 kernel for your specific system, it will be faster and smaller.
>> 90
>> 91 To find out what type of Alpha system you have, you may want to
>> 92 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 93 <http://www.alphalinux.org/>. In summary:
>> 94
>> 95 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 96 Alpha-XL XL-233, XL-266
>> 97 AlphaBook1 Alpha laptop
>> 98 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 99 Cabriolet AlphaPC64, AlphaPCI64
>> 100 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 101 EB164 EB164 21164 evaluation board
>> 102 EB64+ EB64+ 21064 evaluation board
>> 103 EB66 EB66 21066 evaluation board
>> 104 EB66+ EB66+ 21066 evaluation board
>> 105 Jensen DECpc 150, DEC 2000 models 300, 500
>> 106 LX164 AlphaPC164-LX
>> 107 Lynx AS 2100A
>> 108 Miata Personal Workstation 433/500/600 a/au
>> 109 Marvel AlphaServer ES47 / ES80 / GS1280
>> 110 Mikasa AS 1000
>> 111 Noname AXPpci33, UDB (Multia)
>> 112 Noritake AS 1000A, AS 600A, AS 800
>> 113 PC164 AlphaPC164
>> 114 Rawhide AS 1200, AS 4000, AS 4100
>> 115 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 116 SX164 AlphaPC164-SX
>> 117 Sable AS 2000, AS 2100
>> 118 Shark DS 20L
>> 119 Takara Takara (OEM)
>> 120 Titan AlphaServer ES45 / DS25 / DS15
>> 121 Wildfire AlphaServer GS 40/80/160/320
>> 122
>> 123 If you don't know what to do, choose "generic".
>> 124
>> 125 config ALPHA_GENERIC
>> 126 bool "Generic"
>> 127 depends on TTY
>> 128 select HAVE_EISA
>> 129 help
>> 130 A generic kernel will run on all supported Alpha hardware.
>> 131
>> 132 config ALPHA_ALCOR
>> 133 bool "Alcor/Alpha-XLT"
>> 134 select HAVE_EISA
>> 135 help
>> 136 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 137 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 138 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 139 controller (256-bit memory bus) and a PCI interface. It also does
>> 140 all the work required to support an external Bcache and to maintain
>> 141 memory coherence when a PCI device DMAs into (or out of) memory.
>> 142
>> 143 config ALPHA_XL
>> 144 bool "Alpha-XL"
>> 145 help
>> 146 XL-233 and XL-266-based Alpha systems.
>> 147
>> 148 config ALPHA_BOOK1
>> 149 bool "AlphaBook1"
>> 150 help
>> 151 Dec AlphaBook1/Burns Alpha-based laptops.
>> 152
>> 153 config ALPHA_AVANTI_CH
>> 154 bool "Avanti"
>> 155
>> 156 config ALPHA_CABRIOLET
>> 157 bool "Cabriolet"
>> 158 help
>> 159 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 160 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 161 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 162 Bcache SIMMs. Requires power supply with 3.3V output.
>> 163
>> 164 config ALPHA_DP264
>> 165 bool "DP264"
>> 166 help
>> 167 Various 21264 systems with the tsunami core logic chipset.
>> 168 API Networks: 264DP, UP2000(+), CS20;
>> 169 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 170
>> 171 config ALPHA_EB164
>> 172 bool "EB164"
>> 173 help
>> 174 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 175 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 176 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 177 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 178 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 179 motherboard. Requires power supply with 3.3V output.
>> 180
>> 181 config ALPHA_EB64P_CH
>> 182 bool "EB64+"
>> 183
>> 184 config ALPHA_EB66
>> 185 bool "EB66"
>> 186 help
>> 187 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 188 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 189 supply. The EB66 schematic was published as a marketing poster
>> 190 advertising the 21066 as "the first microprocessor in the world with
>> 191 embedded PCI".
>> 192
>> 193 config ALPHA_EB66P
>> 194 bool "EB66+"
>> 195 help
>> 196 Later variant of the EB66 board.
>> 197
>> 198 config ALPHA_EIGER
>> 199 bool "Eiger"
>> 200 help
>> 201 Apparently an obscure OEM single-board computer based on the
>> 202 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 203
>> 204 config ALPHA_JENSEN
>> 205 bool "Jensen"
>> 206 depends on BROKEN
>> 207 select HAVE_EISA
>> 208 help
>> 209 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 210 of the first-generation Alpha systems. A number of these systems
>> 211 seem to be available on the second- hand market. The Jensen is a
>> 212 floor-standing tower system which originally used a 150MHz 21064 It
>> 213 used programmable logic to interface a 486 EISA I/O bridge to the
>> 214 CPU.
>> 215
>> 216 config ALPHA_LX164
>> 217 bool "LX164"
>> 218 help
>> 219 A technical overview of this board is available at
>> 220 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 221
>> 222 config ALPHA_LYNX
>> 223 bool "Lynx"
>> 224 select HAVE_EISA
>> 225 help
>> 226 AlphaServer 2100A-based systems.
>> 227
>> 228 config ALPHA_MARVEL
>> 229 bool "Marvel"
>> 230 help
>> 231 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 232
>> 233 config ALPHA_MIATA
>> 234 bool "Miata"
>> 235 select HAVE_EISA
>> 236 help
>> 237 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 238 or 600au).
>> 239
>> 240 config ALPHA_MIKASA
>> 241 bool "Mikasa"
>> 242 help
>> 243 AlphaServer 1000-based Alpha systems.
>> 244
>> 245 config ALPHA_NAUTILUS
>> 246 bool "Nautilus"
>> 247 help
>> 248 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 249
>> 250 config ALPHA_NONAME_CH
>> 251 bool "Noname"
>> 252
>> 253 config ALPHA_NORITAKE
>> 254 bool "Noritake"
>> 255 select HAVE_EISA
>> 256 help
>> 257 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 258 systems.
>> 259
>> 260 config ALPHA_PC164
>> 261 bool "PC164"
>> 262
>> 263 config ALPHA_P2K
>> 264 bool "Platform2000"
>> 265
>> 266 config ALPHA_RAWHIDE
>> 267 bool "Rawhide"
>> 268 select HAVE_EISA
>> 269 help
>> 270 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 271 See HOWTO at
>> 272 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 273
>> 274 config ALPHA_RUFFIAN
>> 275 bool "Ruffian"
>> 276 help
>> 277 Samsung APC164UX. There is a page on known problems and workarounds
>> 278 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 279
>> 280 config ALPHA_RX164
>> 281 bool "RX164"
>> 282
>> 283 config ALPHA_SX164
>> 284 bool "SX164"
>> 285
>> 286 config ALPHA_SABLE
>> 287 bool "Sable"
>> 288 select HAVE_EISA
>> 289 help
>> 290 Digital AlphaServer 2000 and 2100-based systems.
>> 291
>> 292 config ALPHA_SHARK
>> 293 bool "Shark"
>> 294
>> 295 config ALPHA_TAKARA
>> 296 bool "Takara"
>> 297 help
>> 298 Alpha 11164-based OEM single-board computer.
>> 299
>> 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 304
>> 305 config ALPHA_WILDFIRE
>> 306 bool "Wildfire"
>> 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 309
>> 310 endchoice
>> 311
>> 312 # clear all implied options (don't want default values for those):
>> 313 # Most of these machines have ISA slots; not exactly sure which don't,
>> 314 # and this doesn't activate hordes of code, so do it always.
>> 315 config ISA
64 bool 316 bool
65 default y 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
66 324
67 config NO_IOPORT_MAP !! 325 config ISA_DMA_API
68 def_bool y !! 326 bool
>> 327 default y
69 328
70 config HZ !! 329 config ALPHA_NONAME
71 int !! 330 bool
72 default 1000 if CLEOPATRA !! 331 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
73 default 100 !! 332 default y
>> 333 help
>> 334 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 335 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 336 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 337 is a baby-AT size, and runs from a standard PC power supply. It has
>> 338 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 339 2 versions, with either PS/2 or large DIN connectors for the
>> 340 keyboard.
74 341
75 config PGTABLE_LEVELS !! 342 config ALPHA_EV4
76 default 2 if SUN3 || COLDFIRE !! 343 bool
77 default 3 !! 344 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
>> 345 default y if !ALPHA_LYNX
78 346
79 config MMU !! 347 config ALPHA_LCA
80 bool "MMU-based Paged Memory Managemen !! 348 bool
>> 349 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 350 default y
>> 351
>> 352 config ALPHA_APECS
>> 353 bool
>> 354 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
81 default y 355 default y
>> 356
>> 357 config ALPHA_EB64P
>> 358 bool
>> 359 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 360 default y
>> 361 help
>> 362 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 363 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 364 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 365 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 366 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 367 Runs from standard PC power supply.
>> 368
>> 369 config ALPHA_EV5
>> 370 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 371 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
>> 372
>> 373 config ALPHA_EV4
>> 374 bool
>> 375 default y if ALPHA_LYNX && !ALPHA_EV5
>> 376
>> 377 config ALPHA_CIA
>> 378 bool
>> 379 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
>> 380 default y
>> 381
>> 382 config ALPHA_EV56
>> 383 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 384 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 385
>> 386 config ALPHA_EV56
>> 387 prompt "EV56 CPU (speed >= 333MHz)?"
>> 388 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 389
>> 390 config ALPHA_EV56
>> 391 prompt "EV56 CPU (speed >= 400MHz)?"
>> 392 depends on ALPHA_RAWHIDE
>> 393
>> 394 config ALPHA_PRIMO
>> 395 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 396 depends on ALPHA_NORITAKE || ALPHA_MIKASA
82 help 397 help
83 Select if you want MMU-based virtual !! 398 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
84 support by paged memory management. <<
85 399
86 config MMU_MOTOROLA !! 400 config ALPHA_GAMMA
>> 401 bool "EV5 CPU(s) (model 5/xxx)?"
>> 402 depends on ALPHA_SABLE
>> 403 help
>> 404 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 405
>> 406 config ALPHA_GAMMA
87 bool 407 bool
88 select HAVE_PAGE_SIZE_4KB !! 408 depends on ALPHA_LYNX
>> 409 default y
89 410
90 config MMU_COLDFIRE !! 411 config ALPHA_T2
91 select HAVE_PAGE_SIZE_8KB <<
92 bool 412 bool
>> 413 depends on ALPHA_SABLE || ALPHA_LYNX
>> 414 default y
93 415
94 config MMU_SUN3 !! 416 config ALPHA_PYXIS
95 bool 417 bool
96 select HAVE_PAGE_SIZE_8KB !! 418 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
97 depends on MMU && !MMU_MOTOROLA && !MM !! 419 default y
98 420
99 config ARCH_SUPPORTS_KEXEC !! 421 config ALPHA_EV6
100 def_bool M68KCLASSIC && MMU !! 422 bool
>> 423 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 424 default y
101 425
102 config BOOTINFO_PROC !! 426 config ALPHA_TSUNAMI
103 bool "Export bootinfo in procfs" !! 427 bool
104 depends on KEXEC && M68KCLASSIC !! 428 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 429 default y
>> 430
>> 431 config ALPHA_EV67
>> 432 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 433 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
105 help 434 help
106 Say Y to export the bootinfo used to !! 435 Is this a machine based on the EV67 core? If in doubt, select N here
107 "bootinfo" file in procfs. This is !! 436 and the machine will be treated as an EV6.
108 437
109 menu "Platform setup" !! 438 config ALPHA_MCPCIA
>> 439 bool
>> 440 depends on ALPHA_RAWHIDE
>> 441 default y
110 442
111 source "arch/m68k/Kconfig.cpu" !! 443 config ALPHA_POLARIS
>> 444 bool
>> 445 depends on ALPHA_RX164
>> 446 default y
112 447
113 source "arch/m68k/Kconfig.machine" !! 448 config ALPHA_IRONGATE
>> 449 bool
>> 450 depends on ALPHA_NAUTILUS
>> 451 default y
114 452
115 source "arch/m68k/Kconfig.bus" !! 453 config GENERIC_HWEIGHT
>> 454 bool
>> 455 default y if !ALPHA_EV67
116 456
117 endmenu !! 457 config ALPHA_AVANTI
>> 458 bool
>> 459 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 460 default y
>> 461 help
>> 462 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 463 Alphas. Info at
>> 464 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
118 465
119 menu "Kernel Features" !! 466 config ALPHA_BROKEN_IRQ_MASK
>> 467 bool
>> 468 depends on ALPHA_GENERIC || ALPHA_PC164
>> 469 default y
120 470
121 endmenu !! 471 config VGA_HOSE
>> 472 bool
>> 473 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 474 default y
>> 475 help
>> 476 Support VGA on an arbitrary hose; needed for several platforms
>> 477 which always have multiple hoses, and whose consoles support it.
122 478
123 if !MMU <<
124 menu "Power management options" <<
125 479
126 config PM !! 480 config ALPHA_QEMU
127 bool "Power Management support" !! 481 bool "Run under QEMU emulation"
>> 482 depends on !ALPHA_GENERIC
128 help 483 help
129 Support processor power management m !! 484 Assume the presence of special features supported by QEMU PALcode
>> 485 that reduce the overhead of system emulation.
>> 486
>> 487 Generic kernels will auto-detect QEMU. But when building a
>> 488 system-specific kernel, the assumption is that we want to
>> 489 eliminate as many runtime tests as possible.
>> 490
>> 491 If unsure, say N.
>> 492
>> 493
>> 494 config ALPHA_SRM
>> 495 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
>> 496 depends on TTY
>> 497 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
>> 498 help
>> 499 There are two different types of booting firmware on Alphas: SRM,
>> 500 which is command line driven, and ARC, which uses menus and arrow
>> 501 keys. Details about the Linux/Alpha booting process are contained in
>> 502 the Linux/Alpha FAQ, accessible on the WWW from
>> 503 <http://www.alphalinux.org/>.
>> 504
>> 505 The usual way to load Linux on an Alpha machine is to use MILO
>> 506 (a bootloader that lets you pass command line parameters to the
>> 507 kernel just like lilo does for the x86 architecture) which can be
>> 508 loaded either from ARC or can be installed directly as a permanent
>> 509 firmware replacement from floppy (which requires changing a certain
>> 510 jumper on the motherboard). If you want to do either of these, say N
>> 511 here. If MILO doesn't work on your system (true for Jensen
>> 512 motherboards), you can bypass it altogether and boot Linux directly
>> 513 from an SRM console; say Y here in order to do that. Note that you
>> 514 won't be able to boot from an IDE disk using SRM.
>> 515
>> 516 If unsure, say N.
>> 517
>> 518 config ARCH_MAY_HAVE_PC_FDC
>> 519 def_bool y
>> 520
>> 521 config SMP
>> 522 bool "Symmetric multi-processing support"
>> 523 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 524 help
>> 525 This enables support for systems with more than one CPU. If you have
>> 526 a system with only one CPU, say N. If you have a system with more
>> 527 than one CPU, say Y.
>> 528
>> 529 If you say N here, the kernel will run on uni- and multiprocessor
>> 530 machines, but will use only one CPU of a multiprocessor machine. If
>> 531 you say Y here, the kernel will run on many, but not all,
>> 532 uniprocessor machines. On a uniprocessor machine, the kernel
>> 533 will run faster if you say N here.
>> 534
>> 535 See also the SMP-HOWTO available at
>> 536 <http://www.tldp.org/docs.html#howto>.
>> 537
>> 538 If you don't know what to do here, say N.
>> 539
>> 540 config NR_CPUS
>> 541 int "Maximum number of CPUs (2-32)"
>> 542 range 2 32
>> 543 depends on SMP
>> 544 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 545 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 546 help
>> 547 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 548 with working support have a maximum of 4 CPUs.
>> 549
>> 550 config ARCH_DISCONTIGMEM_ENABLE
>> 551 bool "Discontiguous Memory Support"
>> 552 help
>> 553 Say Y to support efficient handling of discontiguous physical memory,
>> 554 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 555 or have huge holes in the physical address space for other reasons.
>> 556 See <file:Documentation/vm/numa.rst> for more.
>> 557
>> 558 config NUMA
>> 559 bool "NUMA Support (EXPERIMENTAL)"
>> 560 depends on DISCONTIGMEM && BROKEN
>> 561 help
>> 562 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 563 Access). This option is for configuring high-end multiprocessor
>> 564 server machines. If in doubt, say N.
>> 565
>> 566 config ALPHA_WTINT
>> 567 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 568 default y if ALPHA_QEMU
>> 569 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 570 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 571 default y if SMP
>> 572 help
>> 573 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 574 to sleep until the next interrupt. This may reduce the power
>> 575 consumed, and the heat produced by the computer. However, it has
>> 576 the side effect of making the cycle counter unreliable as a timing
>> 577 device across the sleep.
>> 578
>> 579 For emulation under QEMU, definitely say Y here, as we have other
>> 580 mechanisms for measuring time than the cycle counter.
>> 581
>> 582 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 583 MILO, sleep mode is not supported so you might as well say N here.
>> 584
>> 585 For SMP systems we cannot use the cycle counter for timing anyway,
>> 586 so you might as well say Y here.
>> 587
>> 588 If unsure, say N.
>> 589
>> 590 config NODES_SHIFT
>> 591 int
>> 592 default "7"
>> 593 depends on NEED_MULTIPLE_NODES
>> 594
>> 595 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 596 config ALPHA_LARGE_VMALLOC
>> 597 bool
>> 598 help
>> 599 Process creation and other aspects of virtual memory management can
>> 600 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 601 allocations. This equates to about 8GB.
>> 602
>> 603 Under normal circumstances, this is so far and above what is needed
>> 604 as to be laughable. However, there are certain applications (such
>> 605 as benchmark-grade in-kernel web serving) that can make use of as
>> 606 much vmalloc space as is available.
>> 607
>> 608 Say N unless you know you need gobs and gobs of vmalloc space.
>> 609
>> 610 config VERBOSE_MCHECK
>> 611 bool "Verbose Machine Checks"
>> 612
>> 613 config VERBOSE_MCHECK_ON
>> 614 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 615 depends on VERBOSE_MCHECK
>> 616 default 1
>> 617 help
>> 618 This option allows the default printing mode to be set, and then
>> 619 possibly overridden by a boot command argument.
>> 620
>> 621 For example, if one wanted the option of printing verbose
>> 622 machine checks, but wanted the default to be as if verbose
>> 623 machine check printing was turned off, then one would choose
>> 624 the printing mode to be 0. Then, upon reboot, one could add
>> 625 the boot command line "verbose_mcheck=1" to get the normal
>> 626 verbose machine check printing, or "verbose_mcheck=2" to get
>> 627 the maximum information available.
>> 628
>> 629 Take the default (1) unless you want more control or more info.
>> 630
>> 631 choice
>> 632 prompt "Timer interrupt frequency (HZ)?"
>> 633 default HZ_128 if ALPHA_QEMU
>> 634 default HZ_1200 if ALPHA_RAWHIDE
>> 635 default HZ_1024
>> 636 help
>> 637 The frequency at which timer interrupts occur. A high frequency
>> 638 minimizes latency, whereas a low frequency minimizes overhead of
>> 639 process accounting. The later effect is especially significant
>> 640 when being run under QEMU.
>> 641
>> 642 Note that some Alpha hardware cannot change the interrupt frequency
>> 643 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 644
>> 645 config HZ_32
>> 646 bool "32 Hz"
>> 647 config HZ_64
>> 648 bool "64 Hz"
>> 649 config HZ_128
>> 650 bool "128 Hz"
>> 651 config HZ_256
>> 652 bool "256 Hz"
>> 653 config HZ_1024
>> 654 bool "1024 Hz"
>> 655 config HZ_1200
>> 656 bool "1200 Hz"
>> 657 endchoice
>> 658
>> 659 config HZ
>> 660 int
>> 661 default 32 if HZ_32
>> 662 default 64 if HZ_64
>> 663 default 128 if HZ_128
>> 664 default 256 if HZ_256
>> 665 default 1200 if HZ_1200
>> 666 default 1024
>> 667
>> 668 config SRM_ENV
>> 669 tristate "SRM environment through procfs"
>> 670 depends on PROC_FS
>> 671 help
>> 672 If you enable this option, a subdirectory inside /proc called
>> 673 /proc/srm_environment will give you access to the all important
>> 674 SRM environment variables (those which have a name) and also
>> 675 to all others (by their internal number).
>> 676
>> 677 SRM is something like a BIOS for Alpha machines. There are some
>> 678 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 679 support (hey, that's not SRM!).
>> 680
>> 681 Despite the fact that this driver doesn't work on all Alphas (but
>> 682 only on those which have SRM as their firmware), it's save to
>> 683 build it even if your particular machine doesn't know about SRM
>> 684 (or if you intend to compile a generic kernel). It will simply
>> 685 not create those subdirectory in /proc (and give you some warning,
>> 686 of course).
>> 687
>> 688 This driver is also available as a module and will be called
>> 689 srm_env then.
130 690
131 endmenu 691 endmenu
132 endif <<
133 692
134 source "arch/m68k/Kconfig.devices" !! 693 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 694 # but we also need it if VGA_HOSE is set
>> 695 config DUMMY_CONSOLE
>> 696 bool
>> 697 depends on VGA_HOSE
>> 698 default y
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