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 DMA_OPS if PCI
11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !! 11 select FORCE_PCI if !ALPHA_JENSEN
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if R !! 12 select PCI_DOMAINS if PCI
13 select ARCH_MIGHT_HAVE_PC_PARPORT if I !! 13 select PCI_SYSCALL if PCI
14 select ARCH_NO_PREEMPT if !COLDFIRE !! 14 select HAVE_AOUT
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 15 select HAVE_ASM_MODVERSIONS
30 select HAVE_DEBUG_BUGVERBOSE !! 16 select HAVE_IDE
31 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 17 select HAVE_OPROFILE
>> 18 select HAVE_PCSPKR_PLATFORM
>> 19 select HAVE_PERF_EVENTS
>> 20 select NEED_DMA_MAP_STATE
>> 21 select NEED_SG_DMA_LENGTH
>> 22 select VIRT_TO_BUS
>> 23 select GENERIC_IRQ_PROBE
>> 24 select GENERIC_PCI_IOMAP if PCI
>> 25 select AUTO_IRQ_AFFINITY if SMP
>> 26 select GENERIC_IRQ_SHOW
>> 27 select ARCH_WANT_IPC_PARSE_VERSION
>> 28 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 29 select AUDIT_ARCH
>> 30 select GENERIC_CLOCKEVENTS
>> 31 select GENERIC_CPU_VULNERABILITIES
>> 32 select GENERIC_SMP_IDLE_THREAD
>> 33 select GENERIC_STRNCPY_FROM_USER
>> 34 select GENERIC_STRNLEN_USER
>> 35 select HAVE_ARCH_AUDITSYSCALL
32 select HAVE_MOD_ARCH_SPECIFIC 36 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 37 select MODULES_USE_ELF_RELA
37 select NO_DMA if !MMU && !COLDFIRE !! 38 select ODD_RT_SIGACTION
38 select OLD_SIGACTION !! 39 select OLD_SIGSUSPEND
39 select OLD_SIGSUSPEND3 !! 40 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
40 select UACCESS_MEMCPY if !MMU !! 41 select MMU_GATHER_NO_RANGE
41 select ZONE_DMA !! 42 select SET_FS
>> 43 help
>> 44 The Alpha is a 64-bit general-purpose processor designed and
>> 45 marketed by the Digital Equipment Corporation of blessed memory,
>> 46 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 47 <http://www.alphalinux.org/>.
42 48
43 config CPU_BIG_ENDIAN !! 49 config 64BIT
44 def_bool y 50 def_bool y
45 51
>> 52 config MMU
>> 53 bool
>> 54 default y
>> 55
46 config ARCH_HAS_ILOG2_U32 56 config ARCH_HAS_ILOG2_U32
47 bool 57 bool
>> 58 default n
48 59
49 config ARCH_HAS_ILOG2_U64 60 config ARCH_HAS_ILOG2_U64
50 bool 61 bool
>> 62 default n
51 63
52 config GENERIC_HWEIGHT !! 64 config GENERIC_CALIBRATE_DELAY
53 bool 65 bool
54 default y 66 default y
55 67
56 config GENERIC_CALIBRATE_DELAY !! 68 config ZONE_DMA
57 bool 69 bool
58 default y 70 default y
59 71
60 config GENERIC_CSUM !! 72 config GENERIC_ISA_DMA
>> 73 bool
>> 74 default y
>> 75
>> 76 config PGTABLE_LEVELS
>> 77 int
>> 78 default 3
>> 79
>> 80 config AUDIT_ARCH
61 bool 81 bool
62 82
63 config TIME_LOW_RES !! 83 menu "System setup"
>> 84
>> 85 choice
>> 86 prompt "Alpha system type"
>> 87 default ALPHA_GENERIC
>> 88 help
>> 89 This is the system type of your hardware. A "generic" kernel will
>> 90 run on any supported Alpha system. However, if you configure a
>> 91 kernel for your specific system, it will be faster and smaller.
>> 92
>> 93 To find out what type of Alpha system you have, you may want to
>> 94 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 95 <http://www.alphalinux.org/>. In summary:
>> 96
>> 97 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 98 Alpha-XL XL-233, XL-266
>> 99 AlphaBook1 Alpha laptop
>> 100 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 101 Cabriolet AlphaPC64, AlphaPCI64
>> 102 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 103 EB164 EB164 21164 evaluation board
>> 104 EB64+ EB64+ 21064 evaluation board
>> 105 EB66 EB66 21066 evaluation board
>> 106 EB66+ EB66+ 21066 evaluation board
>> 107 Jensen DECpc 150, DEC 2000 models 300, 500
>> 108 LX164 AlphaPC164-LX
>> 109 Lynx AS 2100A
>> 110 Miata Personal Workstation 433/500/600 a/au
>> 111 Marvel AlphaServer ES47 / ES80 / GS1280
>> 112 Mikasa AS 1000
>> 113 Noname AXPpci33, UDB (Multia)
>> 114 Noritake AS 1000A, AS 600A, AS 800
>> 115 PC164 AlphaPC164
>> 116 Rawhide AS 1200, AS 4000, AS 4100
>> 117 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 118 SX164 AlphaPC164-SX
>> 119 Sable AS 2000, AS 2100
>> 120 Shark DS 20L
>> 121 Takara Takara (OEM)
>> 122 Titan AlphaServer ES45 / DS25 / DS15
>> 123 Wildfire AlphaServer GS 40/80/160/320
>> 124
>> 125 If you don't know what to do, choose "generic".
>> 126
>> 127 config ALPHA_GENERIC
>> 128 bool "Generic"
>> 129 depends on TTY
>> 130 select HAVE_EISA
>> 131 help
>> 132 A generic kernel will run on all supported Alpha hardware.
>> 133
>> 134 config ALPHA_ALCOR
>> 135 bool "Alcor/Alpha-XLT"
>> 136 select HAVE_EISA
>> 137 help
>> 138 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 139 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 140 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 141 controller (256-bit memory bus) and a PCI interface. It also does
>> 142 all the work required to support an external Bcache and to maintain
>> 143 memory coherence when a PCI device DMAs into (or out of) memory.
>> 144
>> 145 config ALPHA_XL
>> 146 bool "Alpha-XL"
>> 147 help
>> 148 XL-233 and XL-266-based Alpha systems.
>> 149
>> 150 config ALPHA_BOOK1
>> 151 bool "AlphaBook1"
>> 152 help
>> 153 Dec AlphaBook1/Burns Alpha-based laptops.
>> 154
>> 155 config ALPHA_AVANTI_CH
>> 156 bool "Avanti"
>> 157
>> 158 config ALPHA_CABRIOLET
>> 159 bool "Cabriolet"
>> 160 help
>> 161 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 162 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 163 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 164 Bcache SIMMs. Requires power supply with 3.3V output.
>> 165
>> 166 config ALPHA_DP264
>> 167 bool "DP264"
>> 168 help
>> 169 Various 21264 systems with the tsunami core logic chipset.
>> 170 API Networks: 264DP, UP2000(+), CS20;
>> 171 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 172
>> 173 config ALPHA_EB164
>> 174 bool "EB164"
>> 175 help
>> 176 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 177 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 178 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 179 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 180 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 181 motherboard. Requires power supply with 3.3V output.
>> 182
>> 183 config ALPHA_EB64P_CH
>> 184 bool "EB64+"
>> 185
>> 186 config ALPHA_EB66
>> 187 bool "EB66"
>> 188 help
>> 189 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 190 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 191 supply. The EB66 schematic was published as a marketing poster
>> 192 advertising the 21066 as "the first microprocessor in the world with
>> 193 embedded PCI".
>> 194
>> 195 config ALPHA_EB66P
>> 196 bool "EB66+"
>> 197 help
>> 198 Later variant of the EB66 board.
>> 199
>> 200 config ALPHA_EIGER
>> 201 bool "Eiger"
>> 202 help
>> 203 Apparently an obscure OEM single-board computer based on the
>> 204 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 205
>> 206 config ALPHA_JENSEN
>> 207 bool "Jensen"
>> 208 depends on BROKEN
>> 209 select HAVE_EISA
>> 210 help
>> 211 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 212 of the first-generation Alpha systems. A number of these systems
>> 213 seem to be available on the second- hand market. The Jensen is a
>> 214 floor-standing tower system which originally used a 150MHz 21064 It
>> 215 used programmable logic to interface a 486 EISA I/O bridge to the
>> 216 CPU.
>> 217
>> 218 config ALPHA_LX164
>> 219 bool "LX164"
>> 220 help
>> 221 A technical overview of this board is available at
>> 222 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 223
>> 224 config ALPHA_LYNX
>> 225 bool "Lynx"
>> 226 select HAVE_EISA
>> 227 help
>> 228 AlphaServer 2100A-based systems.
>> 229
>> 230 config ALPHA_MARVEL
>> 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 234
>> 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 select HAVE_EISA
>> 238 help
>> 239 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 240 or 600au).
>> 241
>> 242 config ALPHA_MIKASA
>> 243 bool "Mikasa"
>> 244 help
>> 245 AlphaServer 1000-based Alpha systems.
>> 246
>> 247 config ALPHA_NAUTILUS
>> 248 bool "Nautilus"
>> 249 help
>> 250 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 251
>> 252 config ALPHA_NONAME_CH
>> 253 bool "Noname"
>> 254
>> 255 config ALPHA_NORITAKE
>> 256 bool "Noritake"
>> 257 select HAVE_EISA
>> 258 help
>> 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
>> 261
>> 262 config ALPHA_PC164
>> 263 bool "PC164"
>> 264
>> 265 config ALPHA_P2K
>> 266 bool "Platform2000"
>> 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 select HAVE_EISA
>> 271 help
>> 272 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 273 See HOWTO at
>> 274 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 275
>> 276 config ALPHA_RUFFIAN
>> 277 bool "Ruffian"
>> 278 help
>> 279 Samsung APC164UX. There is a page on known problems and workarounds
>> 280 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 281
>> 282 config ALPHA_RX164
>> 283 bool "RX164"
>> 284
>> 285 config ALPHA_SX164
>> 286 bool "SX164"
>> 287
>> 288 config ALPHA_SABLE
>> 289 bool "Sable"
>> 290 select HAVE_EISA
>> 291 help
>> 292 Digital AlphaServer 2000 and 2100-based systems.
>> 293
>> 294 config ALPHA_SHARK
>> 295 bool "Shark"
>> 296
>> 297 config ALPHA_TAKARA
>> 298 bool "Takara"
>> 299 help
>> 300 Alpha 11164-based OEM single-board computer.
>> 301
>> 302 config ALPHA_TITAN
>> 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 306
>> 307 config ALPHA_WILDFIRE
>> 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 311
>> 312 endchoice
>> 313
>> 314 # clear all implied options (don't want default values for those):
>> 315 # Most of these machines have ISA slots; not exactly sure which don't,
>> 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
64 bool 318 bool
65 default y 319 default y
>> 320 help
>> 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
66 326
67 config NO_IOPORT_MAP !! 327 config ISA_DMA_API
68 def_bool y !! 328 bool
>> 329 default y
69 330
70 config HZ !! 331 config ALPHA_NONAME
71 int !! 332 bool
72 default 1000 if CLEOPATRA !! 333 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
73 default 100 !! 334 default y
>> 335 help
>> 336 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 337 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 338 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 339 is a baby-AT size, and runs from a standard PC power supply. It has
>> 340 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 341 2 versions, with either PS/2 or large DIN connectors for the
>> 342 keyboard.
74 343
75 config PGTABLE_LEVELS !! 344 config ALPHA_EV4
76 default 2 if SUN3 || COLDFIRE !! 345 bool
77 default 3 !! 346 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
>> 347 default y if !ALPHA_LYNX
78 348
79 config MMU !! 349 config ALPHA_LCA
80 bool "MMU-based Paged Memory Managemen !! 350 bool
>> 351 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 352 default y
>> 353
>> 354 config ALPHA_APECS
>> 355 bool
>> 356 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
81 default y 357 default y
>> 358
>> 359 config ALPHA_EB64P
>> 360 bool
>> 361 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 362 default y
>> 363 help
>> 364 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 365 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 366 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 367 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 368 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 369 Runs from standard PC power supply.
>> 370
>> 371 config ALPHA_EV5
>> 372 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 373 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
>> 374
>> 375 config ALPHA_EV4
>> 376 bool
>> 377 default y if ALPHA_LYNX && !ALPHA_EV5
>> 378
>> 379 config ALPHA_CIA
>> 380 bool
>> 381 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
>> 382 default y
>> 383
>> 384 config ALPHA_EV56
>> 385 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 386 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 387
>> 388 config ALPHA_EV56
>> 389 prompt "EV56 CPU (speed >= 333MHz)?"
>> 390 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 391
>> 392 config ALPHA_EV56
>> 393 prompt "EV56 CPU (speed >= 400MHz)?"
>> 394 depends on ALPHA_RAWHIDE
>> 395
>> 396 config ALPHA_PRIMO
>> 397 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_MIKASA
82 help 399 help
83 Select if you want MMU-based virtual !! 400 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
84 support by paged memory management. <<
85 401
86 config MMU_MOTOROLA !! 402 config ALPHA_GAMMA
>> 403 bool "EV5 CPU(s) (model 5/xxx)?"
>> 404 depends on ALPHA_SABLE
>> 405 help
>> 406 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 407
>> 408 config ALPHA_GAMMA
87 bool 409 bool
88 select HAVE_PAGE_SIZE_4KB !! 410 depends on ALPHA_LYNX
>> 411 default y
89 412
90 config MMU_COLDFIRE !! 413 config ALPHA_T2
91 select HAVE_PAGE_SIZE_8KB <<
92 bool 414 bool
>> 415 depends on ALPHA_SABLE || ALPHA_LYNX
>> 416 default y
93 417
94 config MMU_SUN3 !! 418 config ALPHA_PYXIS
95 bool 419 bool
96 select HAVE_PAGE_SIZE_8KB !! 420 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
97 depends on MMU && !MMU_MOTOROLA && !MM !! 421 default y
98 422
99 config ARCH_SUPPORTS_KEXEC !! 423 config ALPHA_EV6
100 def_bool M68KCLASSIC && MMU !! 424 bool
>> 425 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 426 default y
101 427
102 config BOOTINFO_PROC !! 428 config ALPHA_TSUNAMI
103 bool "Export bootinfo in procfs" !! 429 bool
104 depends on KEXEC && M68KCLASSIC !! 430 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 431 default y
>> 432
>> 433 config ALPHA_EV67
>> 434 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 435 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
105 help 436 help
106 Say Y to export the bootinfo used to !! 437 Is this a machine based on the EV67 core? If in doubt, select N here
107 "bootinfo" file in procfs. This is !! 438 and the machine will be treated as an EV6.
108 439
109 menu "Platform setup" !! 440 config ALPHA_MCPCIA
>> 441 bool
>> 442 depends on ALPHA_RAWHIDE
>> 443 default y
110 444
111 source "arch/m68k/Kconfig.cpu" !! 445 config ALPHA_POLARIS
>> 446 bool
>> 447 depends on ALPHA_RX164
>> 448 default y
112 449
113 source "arch/m68k/Kconfig.machine" !! 450 config ALPHA_IRONGATE
>> 451 bool
>> 452 depends on ALPHA_NAUTILUS
>> 453 default y
114 454
115 source "arch/m68k/Kconfig.bus" !! 455 config GENERIC_HWEIGHT
>> 456 bool
>> 457 default y if !ALPHA_EV67
116 458
117 endmenu !! 459 config ALPHA_AVANTI
>> 460 bool
>> 461 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 462 default y
>> 463 help
>> 464 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 465 Alphas. Info at
>> 466 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
118 467
119 menu "Kernel Features" !! 468 config ALPHA_BROKEN_IRQ_MASK
>> 469 bool
>> 470 depends on ALPHA_GENERIC || ALPHA_PC164
>> 471 default y
120 472
121 endmenu !! 473 config VGA_HOSE
>> 474 bool
>> 475 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 476 default y
>> 477 help
>> 478 Support VGA on an arbitrary hose; needed for several platforms
>> 479 which always have multiple hoses, and whose consoles support it.
122 480
123 if !MMU <<
124 menu "Power management options" <<
125 481
126 config PM !! 482 config ALPHA_QEMU
127 bool "Power Management support" !! 483 bool "Run under QEMU emulation"
>> 484 depends on !ALPHA_GENERIC
128 help 485 help
129 Support processor power management m !! 486 Assume the presence of special features supported by QEMU PALcode
>> 487 that reduce the overhead of system emulation.
>> 488
>> 489 Generic kernels will auto-detect QEMU. But when building a
>> 490 system-specific kernel, the assumption is that we want to
>> 491 eliminate as many runtime tests as possible.
>> 492
>> 493 If unsure, say N.
>> 494
>> 495
>> 496 config ALPHA_SRM
>> 497 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
>> 498 depends on TTY
>> 499 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
>> 500 help
>> 501 There are two different types of booting firmware on Alphas: SRM,
>> 502 which is command line driven, and ARC, which uses menus and arrow
>> 503 keys. Details about the Linux/Alpha booting process are contained in
>> 504 the Linux/Alpha FAQ, accessible on the WWW from
>> 505 <http://www.alphalinux.org/>.
>> 506
>> 507 The usual way to load Linux on an Alpha machine is to use MILO
>> 508 (a bootloader that lets you pass command line parameters to the
>> 509 kernel just like lilo does for the x86 architecture) which can be
>> 510 loaded either from ARC or can be installed directly as a permanent
>> 511 firmware replacement from floppy (which requires changing a certain
>> 512 jumper on the motherboard). If you want to do either of these, say N
>> 513 here. If MILO doesn't work on your system (true for Jensen
>> 514 motherboards), you can bypass it altogether and boot Linux directly
>> 515 from an SRM console; say Y here in order to do that. Note that you
>> 516 won't be able to boot from an IDE disk using SRM.
>> 517
>> 518 If unsure, say N.
>> 519
>> 520 config ARCH_MAY_HAVE_PC_FDC
>> 521 def_bool y
>> 522
>> 523 config SMP
>> 524 bool "Symmetric multi-processing support"
>> 525 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 526 help
>> 527 This enables support for systems with more than one CPU. If you have
>> 528 a system with only one CPU, say N. If you have a system with more
>> 529 than one CPU, say Y.
>> 530
>> 531 If you say N here, the kernel will run on uni- and multiprocessor
>> 532 machines, but will use only one CPU of a multiprocessor machine. If
>> 533 you say Y here, the kernel will run on many, but not all,
>> 534 uniprocessor machines. On a uniprocessor machine, the kernel
>> 535 will run faster if you say N here.
>> 536
>> 537 See also the SMP-HOWTO available at
>> 538 <http://www.tldp.org/docs.html#howto>.
>> 539
>> 540 If you don't know what to do here, say N.
>> 541
>> 542 config NR_CPUS
>> 543 int "Maximum number of CPUs (2-32)"
>> 544 range 2 32
>> 545 depends on SMP
>> 546 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 547 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 548 help
>> 549 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 550 with working support have a maximum of 4 CPUs.
>> 551
>> 552 config ARCH_DISCONTIGMEM_ENABLE
>> 553 bool "Discontiguous Memory Support"
>> 554 help
>> 555 Say Y to support efficient handling of discontiguous physical memory,
>> 556 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 557 or have huge holes in the physical address space for other reasons.
>> 558 See <file:Documentation/vm/numa.rst> for more.
>> 559
>> 560 config NUMA
>> 561 bool "NUMA Support (EXPERIMENTAL)"
>> 562 depends on DISCONTIGMEM && BROKEN
>> 563 help
>> 564 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 565 Access). This option is for configuring high-end multiprocessor
>> 566 server machines. If in doubt, say N.
>> 567
>> 568 config ALPHA_WTINT
>> 569 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 570 default y if ALPHA_QEMU
>> 571 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 572 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 573 default y if SMP
>> 574 help
>> 575 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 576 to sleep until the next interrupt. This may reduce the power
>> 577 consumed, and the heat produced by the computer. However, it has
>> 578 the side effect of making the cycle counter unreliable as a timing
>> 579 device across the sleep.
>> 580
>> 581 For emulation under QEMU, definitely say Y here, as we have other
>> 582 mechanisms for measuring time than the cycle counter.
>> 583
>> 584 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 585 MILO, sleep mode is not supported so you might as well say N here.
>> 586
>> 587 For SMP systems we cannot use the cycle counter for timing anyway,
>> 588 so you might as well say Y here.
>> 589
>> 590 If unsure, say N.
>> 591
>> 592 config NODES_SHIFT
>> 593 int
>> 594 default "7"
>> 595 depends on NEED_MULTIPLE_NODES
>> 596
>> 597 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 598 config ALPHA_LARGE_VMALLOC
>> 599 bool
>> 600 help
>> 601 Process creation and other aspects of virtual memory management can
>> 602 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 603 allocations. This equates to about 8GB.
>> 604
>> 605 Under normal circumstances, this is so far and above what is needed
>> 606 as to be laughable. However, there are certain applications (such
>> 607 as benchmark-grade in-kernel web serving) that can make use of as
>> 608 much vmalloc space as is available.
>> 609
>> 610 Say N unless you know you need gobs and gobs of vmalloc space.
>> 611
>> 612 config VERBOSE_MCHECK
>> 613 bool "Verbose Machine Checks"
>> 614
>> 615 config VERBOSE_MCHECK_ON
>> 616 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 617 depends on VERBOSE_MCHECK
>> 618 default 1
>> 619 help
>> 620 This option allows the default printing mode to be set, and then
>> 621 possibly overridden by a boot command argument.
>> 622
>> 623 For example, if one wanted the option of printing verbose
>> 624 machine checks, but wanted the default to be as if verbose
>> 625 machine check printing was turned off, then one would choose
>> 626 the printing mode to be 0. Then, upon reboot, one could add
>> 627 the boot command line "verbose_mcheck=1" to get the normal
>> 628 verbose machine check printing, or "verbose_mcheck=2" to get
>> 629 the maximum information available.
>> 630
>> 631 Take the default (1) unless you want more control or more info.
>> 632
>> 633 choice
>> 634 prompt "Timer interrupt frequency (HZ)?"
>> 635 default HZ_128 if ALPHA_QEMU
>> 636 default HZ_1200 if ALPHA_RAWHIDE
>> 637 default HZ_1024
>> 638 help
>> 639 The frequency at which timer interrupts occur. A high frequency
>> 640 minimizes latency, whereas a low frequency minimizes overhead of
>> 641 process accounting. The later effect is especially significant
>> 642 when being run under QEMU.
>> 643
>> 644 Note that some Alpha hardware cannot change the interrupt frequency
>> 645 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 646
>> 647 config HZ_32
>> 648 bool "32 Hz"
>> 649 config HZ_64
>> 650 bool "64 Hz"
>> 651 config HZ_128
>> 652 bool "128 Hz"
>> 653 config HZ_256
>> 654 bool "256 Hz"
>> 655 config HZ_1024
>> 656 bool "1024 Hz"
>> 657 config HZ_1200
>> 658 bool "1200 Hz"
>> 659 endchoice
>> 660
>> 661 config HZ
>> 662 int
>> 663 default 32 if HZ_32
>> 664 default 64 if HZ_64
>> 665 default 128 if HZ_128
>> 666 default 256 if HZ_256
>> 667 default 1200 if HZ_1200
>> 668 default 1024
>> 669
>> 670 config SRM_ENV
>> 671 tristate "SRM environment through procfs"
>> 672 depends on PROC_FS
>> 673 help
>> 674 If you enable this option, a subdirectory inside /proc called
>> 675 /proc/srm_environment will give you access to the all important
>> 676 SRM environment variables (those which have a name) and also
>> 677 to all others (by their internal number).
>> 678
>> 679 SRM is something like a BIOS for Alpha machines. There are some
>> 680 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 681 support (hey, that's not SRM!).
>> 682
>> 683 Despite the fact that this driver doesn't work on all Alphas (but
>> 684 only on those which have SRM as their firmware), it's save to
>> 685 build it even if your particular machine doesn't know about SRM
>> 686 (or if you intend to compile a generic kernel). It will simply
>> 687 not create those subdirectory in /proc (and give you some warning,
>> 688 of course).
>> 689
>> 690 This driver is also available as a module and will be called
>> 691 srm_env then.
130 692
131 endmenu 693 endmenu
132 endif <<
133 694
134 source "arch/m68k/Kconfig.devices" !! 695 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 696 # but we also need it if VGA_HOSE is set
>> 697 config DUMMY_CONSOLE
>> 698 bool
>> 699 depends on VGA_HOSE
>> 700 default y
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