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