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_32BIT_USTAT_F_TINODE
6 select ARCH_HAS_BINFMT_FLAT !! 6 select ARCH_MIGHT_HAVE_PC_PARPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING !! 7 select ARCH_MIGHT_HAVE_PC_SERIO
8 select ARCH_HAS_CPU_FINALIZE_INIT if M !! 8 select ARCH_NO_PREEMPT
9 select ARCH_HAS_CURRENT_STACK_POINTER !! 9 select ARCH_NO_SG_CHAIN
10 select ARCH_HAS_DMA_PREP_COHERENT if M !! 10 select ARCH_USE_CMPXCHG_LOCKREF
11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !! 11 select DMA_OPS if PCI
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if R !! 12 select FORCE_PCI if !ALPHA_JENSEN
13 select ARCH_MIGHT_HAVE_PC_PARPORT if I !! 13 select PCI_DOMAINS if PCI
14 select ARCH_NO_PREEMPT if !COLDFIRE !! 14 select PCI_SYSCALL if PCI
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_PCSPKR_PLATFORM
31 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 17 select HAVE_PERF_EVENTS
>> 18 select NEED_DMA_MAP_STATE
>> 19 select NEED_SG_DMA_LENGTH
>> 20 select VIRT_TO_BUS
>> 21 select GENERIC_IRQ_PROBE
>> 22 select GENERIC_PCI_IOMAP
>> 23 select AUTO_IRQ_AFFINITY if SMP
>> 24 select GENERIC_IRQ_SHOW
>> 25 select ARCH_WANT_IPC_PARSE_VERSION
>> 26 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 27 select AUDIT_ARCH
>> 28 select GENERIC_CPU_VULNERABILITIES
>> 29 select GENERIC_SMP_IDLE_THREAD
>> 30 select HAVE_ARCH_AUDITSYSCALL
32 select HAVE_MOD_ARCH_SPECIFIC 31 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 32 select MODULES_USE_ELF_RELA
37 select NO_DMA if !MMU && !COLDFIRE !! 33 select ODD_RT_SIGACTION
38 select OLD_SIGACTION !! 34 select OLD_SIGSUSPEND
39 select OLD_SIGSUSPEND3 !! 35 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
40 select UACCESS_MEMCPY if !MMU !! 36 select MMU_GATHER_NO_RANGE
>> 37 select SPARSEMEM_EXTREME if SPARSEMEM
41 select ZONE_DMA 38 select ZONE_DMA
>> 39 help
>> 40 The Alpha is a 64-bit general-purpose processor designed and
>> 41 marketed by the Digital Equipment Corporation of blessed memory,
>> 42 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 43 <http://www.alphalinux.org/>.
42 44
43 config CPU_BIG_ENDIAN !! 45 config 64BIT
44 def_bool y 46 def_bool y
45 47
>> 48 config MMU
>> 49 bool
>> 50 default y
>> 51
46 config ARCH_HAS_ILOG2_U32 52 config ARCH_HAS_ILOG2_U32
47 bool 53 bool
>> 54 default n
48 55
49 config ARCH_HAS_ILOG2_U64 56 config ARCH_HAS_ILOG2_U64
50 bool 57 bool
>> 58 default n
51 59
52 config GENERIC_HWEIGHT !! 60 config GENERIC_CALIBRATE_DELAY
53 bool 61 bool
54 default y 62 default y
55 63
56 config GENERIC_CALIBRATE_DELAY !! 64 config GENERIC_ISA_DMA
57 bool 65 bool
58 default y 66 default y
59 67
60 config GENERIC_CSUM !! 68 config PGTABLE_LEVELS
>> 69 int
>> 70 default 3
>> 71
>> 72 config AUDIT_ARCH
61 bool 73 bool
62 74
63 config TIME_LOW_RES !! 75 menu "System setup"
>> 76
>> 77 choice
>> 78 prompt "Alpha system type"
>> 79 default ALPHA_GENERIC
>> 80 help
>> 81 This is the system type of your hardware. A "generic" kernel will
>> 82 run on any supported Alpha system. However, if you configure a
>> 83 kernel for your specific system, it will be faster and smaller.
>> 84
>> 85 To find out what type of Alpha system you have, you may want to
>> 86 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 87 <http://www.alphalinux.org/>. In summary:
>> 88
>> 89 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 90 Alpha-XL XL-233, XL-266
>> 91 AlphaBook1 Alpha laptop
>> 92 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 93 Cabriolet AlphaPC64, AlphaPCI64
>> 94 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 95 EB164 EB164 21164 evaluation board
>> 96 EB64+ EB64+ 21064 evaluation board
>> 97 EB66 EB66 21066 evaluation board
>> 98 EB66+ EB66+ 21066 evaluation board
>> 99 Jensen DECpc 150, DEC 2000 models 300, 500
>> 100 LX164 AlphaPC164-LX
>> 101 Lynx AS 2100A
>> 102 Miata Personal Workstation 433/500/600 a/au
>> 103 Marvel AlphaServer ES47 / ES80 / GS1280
>> 104 Mikasa AS 1000
>> 105 Noname AXPpci33, UDB (Multia)
>> 106 Noritake AS 1000A, AS 600A, AS 800
>> 107 PC164 AlphaPC164
>> 108 Rawhide AS 1200, AS 4000, AS 4100
>> 109 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 110 SX164 AlphaPC164-SX
>> 111 Sable AS 2000, AS 2100
>> 112 Shark DS 20L
>> 113 Takara Takara (OEM)
>> 114 Titan AlphaServer ES45 / DS25 / DS15
>> 115 Wildfire AlphaServer GS 40/80/160/320
>> 116
>> 117 If you don't know what to do, choose "generic".
>> 118
>> 119 config ALPHA_GENERIC
>> 120 bool "Generic"
>> 121 depends on TTY
>> 122 select HAVE_EISA
>> 123 help
>> 124 A generic kernel will run on all supported Alpha hardware.
>> 125
>> 126 config ALPHA_ALCOR
>> 127 bool "Alcor/Alpha-XLT"
>> 128 select HAVE_EISA
>> 129 help
>> 130 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 131 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 132 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 133 controller (256-bit memory bus) and a PCI interface. It also does
>> 134 all the work required to support an external Bcache and to maintain
>> 135 memory coherence when a PCI device DMAs into (or out of) memory.
>> 136
>> 137 config ALPHA_XL
>> 138 bool "Alpha-XL"
>> 139 help
>> 140 XL-233 and XL-266-based Alpha systems.
>> 141
>> 142 config ALPHA_BOOK1
>> 143 bool "AlphaBook1"
>> 144 help
>> 145 Dec AlphaBook1/Burns Alpha-based laptops.
>> 146
>> 147 config ALPHA_AVANTI_CH
>> 148 bool "Avanti"
>> 149
>> 150 config ALPHA_CABRIOLET
>> 151 bool "Cabriolet"
>> 152 help
>> 153 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 154 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 155 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 156 Bcache SIMMs. Requires power supply with 3.3V output.
>> 157
>> 158 config ALPHA_DP264
>> 159 bool "DP264"
>> 160 help
>> 161 Various 21264 systems with the tsunami core logic chipset.
>> 162 API Networks: 264DP, UP2000(+), CS20;
>> 163 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 164
>> 165 config ALPHA_EB164
>> 166 bool "EB164"
>> 167 help
>> 168 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 169 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 170 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 171 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 172 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 173 motherboard. Requires power supply with 3.3V output.
>> 174
>> 175 config ALPHA_EB64P_CH
>> 176 bool "EB64+"
>> 177
>> 178 config ALPHA_EB66
>> 179 bool "EB66"
>> 180 help
>> 181 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 182 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 183 supply. The EB66 schematic was published as a marketing poster
>> 184 advertising the 21066 as "the first microprocessor in the world with
>> 185 embedded PCI".
>> 186
>> 187 config ALPHA_EB66P
>> 188 bool "EB66+"
>> 189 help
>> 190 Later variant of the EB66 board.
>> 191
>> 192 config ALPHA_EIGER
>> 193 bool "Eiger"
>> 194 help
>> 195 Apparently an obscure OEM single-board computer based on the
>> 196 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 197
>> 198 config ALPHA_JENSEN
>> 199 bool "Jensen"
>> 200 select HAVE_EISA
>> 201 help
>> 202 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 203 of the first-generation Alpha systems. A number of these systems
>> 204 seem to be available on the second- hand market. The Jensen is a
>> 205 floor-standing tower system which originally used a 150MHz 21064 It
>> 206 used programmable logic to interface a 486 EISA I/O bridge to the
>> 207 CPU.
>> 208
>> 209 config ALPHA_LX164
>> 210 bool "LX164"
>> 211 help
>> 212 A technical overview of this board is available at
>> 213 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 214
>> 215 config ALPHA_LYNX
>> 216 bool "Lynx"
>> 217 select HAVE_EISA
>> 218 help
>> 219 AlphaServer 2100A-based systems.
>> 220
>> 221 config ALPHA_MARVEL
>> 222 bool "Marvel"
>> 223 help
>> 224 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 225
>> 226 config ALPHA_MIATA
>> 227 bool "Miata"
>> 228 select HAVE_EISA
>> 229 help
>> 230 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 231 or 600au).
>> 232
>> 233 config ALPHA_MIKASA
>> 234 bool "Mikasa"
>> 235 help
>> 236 AlphaServer 1000-based Alpha systems.
>> 237
>> 238 config ALPHA_NAUTILUS
>> 239 bool "Nautilus"
>> 240 help
>> 241 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 242
>> 243 config ALPHA_NONAME_CH
>> 244 bool "Noname"
>> 245
>> 246 config ALPHA_NORITAKE
>> 247 bool "Noritake"
>> 248 select HAVE_EISA
>> 249 help
>> 250 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 251 systems.
>> 252
>> 253 config ALPHA_PC164
>> 254 bool "PC164"
>> 255
>> 256 config ALPHA_P2K
>> 257 bool "Platform2000"
>> 258
>> 259 config ALPHA_RAWHIDE
>> 260 bool "Rawhide"
>> 261 select HAVE_EISA
>> 262 help
>> 263 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 264 See HOWTO at
>> 265 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 266
>> 267 config ALPHA_RUFFIAN
>> 268 bool "Ruffian"
>> 269 help
>> 270 Samsung APC164UX. There is a page on known problems and workarounds
>> 271 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 272
>> 273 config ALPHA_RX164
>> 274 bool "RX164"
>> 275
>> 276 config ALPHA_SX164
>> 277 bool "SX164"
>> 278
>> 279 config ALPHA_SABLE
>> 280 bool "Sable"
>> 281 select HAVE_EISA
>> 282 help
>> 283 Digital AlphaServer 2000 and 2100-based systems.
>> 284
>> 285 config ALPHA_SHARK
>> 286 bool "Shark"
>> 287
>> 288 config ALPHA_TAKARA
>> 289 bool "Takara"
>> 290 help
>> 291 Alpha 11164-based OEM single-board computer.
>> 292
>> 293 config ALPHA_TITAN
>> 294 bool "Titan"
>> 295 help
>> 296 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 297
>> 298 config ALPHA_WILDFIRE
>> 299 bool "Wildfire"
>> 300 help
>> 301 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 302
>> 303 endchoice
>> 304
>> 305 # clear all implied options (don't want default values for those):
>> 306 # Most of these machines have ISA slots; not exactly sure which don't,
>> 307 # and this doesn't activate hordes of code, so do it always.
>> 308 config ISA
64 bool 309 bool
65 default y 310 default y
>> 311 help
>> 312 Find out whether you have ISA slots on your motherboard. ISA is the
>> 313 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 314 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 315 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 316 newer boards don't support it. If you have ISA, say Y, otherwise N.
66 317
67 config NO_IOPORT_MAP !! 318 config ISA_DMA_API
68 def_bool y !! 319 bool
>> 320 default y
69 321
70 config HZ !! 322 config ALPHA_NONAME
71 int !! 323 bool
72 default 1000 if CLEOPATRA !! 324 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
73 default 100 !! 325 default y
>> 326 help
>> 327 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 328 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 329 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 330 is a baby-AT size, and runs from a standard PC power supply. It has
>> 331 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 332 2 versions, with either PS/2 or large DIN connectors for the
>> 333 keyboard.
74 334
75 config PGTABLE_LEVELS !! 335 config ALPHA_EV4
76 default 2 if SUN3 || COLDFIRE !! 336 bool
77 default 3 !! 337 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
>> 338 default y if !ALPHA_LYNX
78 339
79 config MMU !! 340 config ALPHA_LCA
80 bool "MMU-based Paged Memory Managemen !! 341 bool
>> 342 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 343 default y
>> 344
>> 345 config ALPHA_APECS
>> 346 bool
>> 347 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 348 default y
>> 349
>> 350 config ALPHA_EB64P
>> 351 bool
>> 352 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
81 default y 353 default y
82 help 354 help
83 Select if you want MMU-based virtual !! 355 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
84 support by paged memory management. !! 356 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 357 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 358 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 359 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 360 Runs from standard PC power supply.
>> 361
>> 362 config ALPHA_EV5
>> 363 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 364 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
85 365
86 config MMU_MOTOROLA !! 366 config ALPHA_EV4
87 bool 367 bool
88 select HAVE_PAGE_SIZE_4KB !! 368 default y if ALPHA_LYNX && !ALPHA_EV5
89 369
90 config MMU_COLDFIRE !! 370 config ALPHA_CIA
91 select HAVE_PAGE_SIZE_8KB <<
92 bool 371 bool
>> 372 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
>> 373 default y
>> 374
>> 375 config ALPHA_EV56
>> 376 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 377 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 378
>> 379 config ALPHA_EV56
>> 380 prompt "EV56 CPU (speed >= 333MHz)?"
>> 381 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 382
>> 383 config ALPHA_EV56
>> 384 prompt "EV56 CPU (speed >= 400MHz)?"
>> 385 depends on ALPHA_RAWHIDE
>> 386
>> 387 config ALPHA_PRIMO
>> 388 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 389 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 390 help
>> 391 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 392
>> 393 config ALPHA_GAMMA
>> 394 bool "EV5 CPU(s) (model 5/xxx)?"
>> 395 depends on ALPHA_SABLE
>> 396 help
>> 397 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
93 398
94 config MMU_SUN3 !! 399 config ALPHA_GAMMA
95 bool 400 bool
96 select HAVE_PAGE_SIZE_8KB !! 401 depends on ALPHA_LYNX
97 depends on MMU && !MMU_MOTOROLA && !MM !! 402 default y
98 403
99 config ARCH_SUPPORTS_KEXEC !! 404 config ALPHA_T2
100 def_bool M68KCLASSIC && MMU !! 405 bool
>> 406 depends on ALPHA_SABLE || ALPHA_LYNX
>> 407 default y
>> 408
>> 409 config ALPHA_PYXIS
>> 410 bool
>> 411 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 412 default y
>> 413
>> 414 config ALPHA_EV6
>> 415 bool
>> 416 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 417 default y
>> 418
>> 419 config ALPHA_TSUNAMI
>> 420 bool
>> 421 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 422 default y
101 423
102 config BOOTINFO_PROC !! 424 config ALPHA_EV67
103 bool "Export bootinfo in procfs" !! 425 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
104 depends on KEXEC && M68KCLASSIC !! 426 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
105 help 427 help
106 Say Y to export the bootinfo used to !! 428 Is this a machine based on the EV67 core? If in doubt, select N here
107 "bootinfo" file in procfs. This is !! 429 and the machine will be treated as an EV6.
108 430
109 menu "Platform setup" !! 431 config ALPHA_MCPCIA
>> 432 bool
>> 433 depends on ALPHA_RAWHIDE
>> 434 default y
110 435
111 source "arch/m68k/Kconfig.cpu" !! 436 config ALPHA_POLARIS
>> 437 bool
>> 438 depends on ALPHA_RX164
>> 439 default y
112 440
113 source "arch/m68k/Kconfig.machine" !! 441 config ALPHA_IRONGATE
>> 442 bool
>> 443 depends on ALPHA_NAUTILUS
>> 444 default y
114 445
115 source "arch/m68k/Kconfig.bus" !! 446 config GENERIC_HWEIGHT
>> 447 bool
>> 448 default y if !ALPHA_EV67
116 449
117 endmenu !! 450 config ALPHA_AVANTI
>> 451 bool
>> 452 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 453 default y
>> 454 help
>> 455 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 456 Alphas. Info at
>> 457 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
118 458
119 menu "Kernel Features" !! 459 config ALPHA_BROKEN_IRQ_MASK
>> 460 bool
>> 461 depends on ALPHA_GENERIC || ALPHA_PC164
>> 462 default y
120 463
121 endmenu !! 464 config VGA_HOSE
>> 465 bool
>> 466 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 467 default y
>> 468 help
>> 469 Support VGA on an arbitrary hose; needed for several platforms
>> 470 which always have multiple hoses, and whose consoles support it.
>> 471
>> 472
>> 473 config ALPHA_QEMU
>> 474 bool "Run under QEMU emulation"
>> 475 depends on !ALPHA_GENERIC
>> 476 help
>> 477 Assume the presence of special features supported by QEMU PALcode
>> 478 that reduce the overhead of system emulation.
>> 479
>> 480 Generic kernels will auto-detect QEMU. But when building a
>> 481 system-specific kernel, the assumption is that we want to
>> 482 eliminate as many runtime tests as possible.
>> 483
>> 484 If unsure, say N.
>> 485
>> 486
>> 487 config ALPHA_SRM
>> 488 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
>> 489 depends on TTY
>> 490 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
>> 491 help
>> 492 There are two different types of booting firmware on Alphas: SRM,
>> 493 which is command line driven, and ARC, which uses menus and arrow
>> 494 keys. Details about the Linux/Alpha booting process are contained in
>> 495 the Linux/Alpha FAQ, accessible on the WWW from
>> 496 <http://www.alphalinux.org/>.
>> 497
>> 498 The usual way to load Linux on an Alpha machine is to use MILO
>> 499 (a bootloader that lets you pass command line parameters to the
>> 500 kernel just like lilo does for the x86 architecture) which can be
>> 501 loaded either from ARC or can be installed directly as a permanent
>> 502 firmware replacement from floppy (which requires changing a certain
>> 503 jumper on the motherboard). If you want to do either of these, say N
>> 504 here. If MILO doesn't work on your system (true for Jensen
>> 505 motherboards), you can bypass it altogether and boot Linux directly
>> 506 from an SRM console; say Y here in order to do that. Note that you
>> 507 won't be able to boot from an IDE disk using SRM.
>> 508
>> 509 If unsure, say N.
>> 510
>> 511 config ARCH_MAY_HAVE_PC_FDC
>> 512 def_bool y
>> 513
>> 514 config SMP
>> 515 bool "Symmetric multi-processing support"
>> 516 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 517 help
>> 518 This enables support for systems with more than one CPU. If you have
>> 519 a system with only one CPU, say N. If you have a system with more
>> 520 than one CPU, say Y.
>> 521
>> 522 If you say N here, the kernel will run on uni- and multiprocessor
>> 523 machines, but will use only one CPU of a multiprocessor machine. If
>> 524 you say Y here, the kernel will run on many, but not all,
>> 525 uniprocessor machines. On a uniprocessor machine, the kernel
>> 526 will run faster if you say N here.
>> 527
>> 528 See also the SMP-HOWTO available at
>> 529 <https://www.tldp.org/docs.html#howto>.
>> 530
>> 531 If you don't know what to do here, say N.
>> 532
>> 533 config NR_CPUS
>> 534 int "Maximum number of CPUs (2-32)"
>> 535 range 2 32
>> 536 depends on SMP
>> 537 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 538 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 539 help
>> 540 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 541 with working support have a maximum of 4 CPUs.
>> 542
>> 543 config ARCH_SPARSEMEM_ENABLE
>> 544 bool "Sparse Memory Support"
>> 545 help
>> 546 Say Y to support efficient handling of discontiguous physical memory,
>> 547 for systems that have huge holes in the physical address space.
>> 548
>> 549 config ALPHA_WTINT
>> 550 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 551 default y if ALPHA_QEMU
>> 552 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 553 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 554 default y if SMP
>> 555 help
>> 556 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 557 to sleep until the next interrupt. This may reduce the power
>> 558 consumed, and the heat produced by the computer. However, it has
>> 559 the side effect of making the cycle counter unreliable as a timing
>> 560 device across the sleep.
>> 561
>> 562 For emulation under QEMU, definitely say Y here, as we have other
>> 563 mechanisms for measuring time than the cycle counter.
>> 564
>> 565 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 566 MILO, sleep mode is not supported so you might as well say N here.
>> 567
>> 568 For SMP systems we cannot use the cycle counter for timing anyway,
>> 569 so you might as well say Y here.
>> 570
>> 571 If unsure, say N.
122 572
123 if !MMU !! 573 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
124 menu "Power management options" !! 574 config ALPHA_LARGE_VMALLOC
>> 575 bool
>> 576 help
>> 577 Process creation and other aspects of virtual memory management can
>> 578 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 579 allocations. This equates to about 8GB.
>> 580
>> 581 Under normal circumstances, this is so far and above what is needed
>> 582 as to be laughable. However, there are certain applications (such
>> 583 as benchmark-grade in-kernel web serving) that can make use of as
>> 584 much vmalloc space as is available.
>> 585
>> 586 Say N unless you know you need gobs and gobs of vmalloc space.
>> 587
>> 588 config VERBOSE_MCHECK
>> 589 bool "Verbose Machine Checks"
>> 590
>> 591 config VERBOSE_MCHECK_ON
>> 592 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 593 depends on VERBOSE_MCHECK
>> 594 default 1
>> 595 help
>> 596 This option allows the default printing mode to be set, and then
>> 597 possibly overridden by a boot command argument.
>> 598
>> 599 For example, if one wanted the option of printing verbose
>> 600 machine checks, but wanted the default to be as if verbose
>> 601 machine check printing was turned off, then one would choose
>> 602 the printing mode to be 0. Then, upon reboot, one could add
>> 603 the boot command line "verbose_mcheck=1" to get the normal
>> 604 verbose machine check printing, or "verbose_mcheck=2" to get
>> 605 the maximum information available.
>> 606
>> 607 Take the default (1) unless you want more control or more info.
>> 608
>> 609 choice
>> 610 prompt "Timer interrupt frequency (HZ)?"
>> 611 default HZ_128 if ALPHA_QEMU
>> 612 default HZ_1200 if ALPHA_RAWHIDE
>> 613 default HZ_1024
>> 614 help
>> 615 The frequency at which timer interrupts occur. A high frequency
>> 616 minimizes latency, whereas a low frequency minimizes overhead of
>> 617 process accounting. The later effect is especially significant
>> 618 when being run under QEMU.
>> 619
>> 620 Note that some Alpha hardware cannot change the interrupt frequency
>> 621 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 622
>> 623 config HZ_32
>> 624 bool "32 Hz"
>> 625 config HZ_64
>> 626 bool "64 Hz"
>> 627 config HZ_128
>> 628 bool "128 Hz"
>> 629 config HZ_256
>> 630 bool "256 Hz"
>> 631 config HZ_1024
>> 632 bool "1024 Hz"
>> 633 config HZ_1200
>> 634 bool "1200 Hz"
>> 635 endchoice
125 636
126 config PM !! 637 config HZ
127 bool "Power Management support" !! 638 int
>> 639 default 32 if HZ_32
>> 640 default 64 if HZ_64
>> 641 default 128 if HZ_128
>> 642 default 256 if HZ_256
>> 643 default 1200 if HZ_1200
>> 644 default 1024
>> 645
>> 646 config SRM_ENV
>> 647 tristate "SRM environment through procfs"
>> 648 depends on PROC_FS
128 help 649 help
129 Support processor power management m !! 650 If you enable this option, a subdirectory inside /proc called
>> 651 /proc/srm_environment will give you access to the all important
>> 652 SRM environment variables (those which have a name) and also
>> 653 to all others (by their internal number).
>> 654
>> 655 SRM is something like a BIOS for Alpha machines. There are some
>> 656 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 657 support (hey, that's not SRM!).
>> 658
>> 659 Despite the fact that this driver doesn't work on all Alphas (but
>> 660 only on those which have SRM as their firmware), it's save to
>> 661 build it even if your particular machine doesn't know about SRM
>> 662 (or if you intend to compile a generic kernel). It will simply
>> 663 not create those subdirectory in /proc (and give you some warning,
>> 664 of course).
>> 665
>> 666 This driver is also available as a module and will be called
>> 667 srm_env then.
130 668
131 endmenu 669 endmenu
132 endif <<
133 670
134 source "arch/m68k/Kconfig.devices" !! 671 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 672 # but we also need it if VGA_HOSE is set
>> 673 config DUMMY_CONSOLE
>> 674 bool
>> 675 depends on VGA_HOSE
>> 676 default y
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