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