1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # !! 2 config ALPHA
3 # For a description of the syntax of this conf !! 3 bool
4 # see Documentation/kbuild/kconfig-language.rs !! 4 default y
5 # !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 config OPENRISC !! 7 select ARCH_NO_PREEMPT
8 def_bool y !! 8 select ARCH_USE_CMPXCHG_LOCKREF
9 select ARCH_32BIT_OFF_T !! 9 select HAVE_AOUT
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select HAVE_IDE
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select HAVE_OPROFILE
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select HAVE_PCSPKR_PLATFORM
13 select COMMON_CLK !! 13 select HAVE_PERF_EVENTS
14 select OF !! 14 select NEED_DMA_MAP_STATE
15 select OF_EARLY_FLATTREE !! 15 select NEED_SG_DMA_LENGTH
16 select IRQ_DOMAIN !! 16 select VIRT_TO_BUS
17 select GPIOLIB <<
18 select HAVE_ARCH_TRACEHOOK <<
19 select SPARSE_IRQ <<
20 select GENERIC_IRQ_CHIP <<
21 select GENERIC_IRQ_PROBE 17 select GENERIC_IRQ_PROBE
>> 18 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 19 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 20 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 21 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 22 select AUDIT_ARCH
26 select HAVE_PCI !! 23 select GENERIC_CLOCKEVENTS
27 select HAVE_UID16 !! 24 select GENERIC_CPU_VULNERABILITIES
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 25 select GENERIC_SMP_IDLE_THREAD
>> 26 select GENERIC_STRNCPY_FROM_USER
>> 27 select GENERIC_STRNLEN_USER
>> 28 select HAVE_ARCH_AUDITSYSCALL
>> 29 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 30 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 31 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 32 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 33 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 34 help
37 select OMPIC if SMP !! 35 The Alpha is a 64-bit general-purpose processor designed and
38 select PCI_DOMAINS_GENERIC if PCI !! 36 marketed by the Digital Equipment Corporation of blessed memory,
39 select PCI_MSI if PCI !! 37 now Hewlett-Packard. The Alpha Linux project has a home page at
40 select ARCH_WANT_FRAME_POINTERS !! 38 <http://www.alphalinux.org/>.
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 39
45 config CPU_BIG_ENDIAN !! 40 config 64BIT
46 def_bool y 41 def_bool y
47 42
48 config MMU 43 config MMU
49 def_bool y !! 44 bool
>> 45 default y
50 46
51 config GENERIC_HWEIGHT !! 47 config RWSEM_GENERIC_SPINLOCK
52 def_bool y !! 48 bool
53 49
54 config NO_IOPORT_MAP !! 50 config RWSEM_XCHGADD_ALGORITHM
55 def_bool y !! 51 bool
>> 52 default y
56 53
57 # For now, use generic checksum functions !! 54 config ARCH_HAS_ILOG2_U32
58 #These can be reimplemented in assembly later !! 55 bool
59 config GENERIC_CSUM !! 56 default n
60 def_bool y <<
61 57
62 config STACKTRACE_SUPPORT !! 58 config ARCH_HAS_ILOG2_U64
63 def_bool y !! 59 bool
>> 60 default n
64 61
65 config LOCKDEP_SUPPORT !! 62 config GENERIC_CALIBRATE_DELAY
66 def_bool y !! 63 bool
>> 64 default y
67 65
68 menu "Processor type and features" !! 66 config ZONE_DMA
>> 67 bool
>> 68 default y
>> 69
>> 70 config GENERIC_ISA_DMA
>> 71 bool
>> 72 default y
>> 73
>> 74 config PGTABLE_LEVELS
>> 75 int
>> 76 default 3
>> 77
>> 78 config AUDIT_ARCH
>> 79 bool
>> 80
>> 81 menu "System setup"
69 82
70 choice 83 choice
71 prompt "Subarchitecture" !! 84 prompt "Alpha system type"
72 default OR1K_1200 !! 85 default ALPHA_GENERIC
>> 86 ---help---
>> 87 This is the system type of your hardware. A "generic" kernel will
>> 88 run on any supported Alpha system. However, if you configure a
>> 89 kernel for your specific system, it will be faster and smaller.
73 90
74 config OR1K_1200 !! 91 To find out what type of Alpha system you have, you may want to
75 bool "OR1200" !! 92 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 93 <http://www.alphalinux.org/>. In summary:
>> 94
>> 95 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 96 Alpha-XL XL-233, XL-266
>> 97 AlphaBook1 Alpha laptop
>> 98 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 99 Cabriolet AlphaPC64, AlphaPCI64
>> 100 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 101 EB164 EB164 21164 evaluation board
>> 102 EB64+ EB64+ 21064 evaluation board
>> 103 EB66 EB66 21066 evaluation board
>> 104 EB66+ EB66+ 21066 evaluation board
>> 105 Jensen DECpc 150, DEC 2000 models 300, 500
>> 106 LX164 AlphaPC164-LX
>> 107 Lynx AS 2100A
>> 108 Miata Personal Workstation 433/500/600 a/au
>> 109 Marvel AlphaServer ES47 / ES80 / GS1280
>> 110 Mikasa AS 1000
>> 111 Noname AXPpci33, UDB (Multia)
>> 112 Noritake AS 1000A, AS 600A, AS 800
>> 113 PC164 AlphaPC164
>> 114 Rawhide AS 1200, AS 4000, AS 4100
>> 115 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 116 SX164 AlphaPC164-SX
>> 117 Sable AS 2000, AS 2100
>> 118 Shark DS 20L
>> 119 Takara Takara (OEM)
>> 120 Titan AlphaServer ES45 / DS25 / DS15
>> 121 Wildfire AlphaServer GS 40/80/160/320
>> 122
>> 123 If you don't know what to do, choose "generic".
>> 124
>> 125 config ALPHA_GENERIC
>> 126 bool "Generic"
>> 127 depends on TTY
76 help 128 help
77 Generic OpenRISC 1200 architecture !! 129 A generic kernel will run on all supported Alpha hardware.
78 130
79 endchoice !! 131 config ALPHA_ALCOR
>> 132 bool "Alcor/Alpha-XLT"
>> 133 help
>> 134 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 135 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 136 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 137 controller (256-bit memory bus) and a PCI interface. It also does
>> 138 all the work required to support an external Bcache and to maintain
>> 139 memory coherence when a PCI device DMAs into (or out of) memory.
80 140
81 config DCACHE_WRITETHROUGH !! 141 config ALPHA_XL
82 bool "Have write through data caches" !! 142 bool "Alpha-XL"
83 default n <<
84 help 143 help
85 Select this if your implementation f !! 144 XL-233 and XL-266-based Alpha systems.
86 Selecting 'N' here will allow the ke <<
87 caches at relevant times. Most OpenR <<
88 through data caches. <<
89 145
90 If unsure say N here !! 146 config ALPHA_BOOK1
>> 147 bool "AlphaBook1"
>> 148 help
>> 149 Dec AlphaBook1/Burns Alpha-based laptops.
91 150
92 config OPENRISC_BUILTIN_DTB !! 151 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 152 bool "Avanti"
94 default "" <<
95 153
96 menu "Class II Instructions" !! 154 config ALPHA_CABRIOLET
>> 155 bool "Cabriolet"
>> 156 help
>> 157 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 158 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 159 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 160 Bcache SIMMs. Requires power supply with 3.3V output.
97 161
98 config OPENRISC_HAVE_INST_FF1 !! 162 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 163 bool "DP264"
100 default y <<
101 help 164 help
102 Select this if your implementation h !! 165 Various 21264 systems with the tsunami core logic chipset.
>> 166 API Networks: 264DP, UP2000(+), CS20;
>> 167 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 168
104 config OPENRISC_HAVE_INST_FL1 !! 169 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 170 bool "EB164"
106 default y <<
107 help 171 help
108 Select this if your implementation h !! 172 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 173 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 174 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 175 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 176 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 177 motherboard. Requires power supply with 3.3V output.
109 178
110 config OPENRISC_HAVE_INST_MUL !! 179 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 180 bool "EB64+"
112 default y !! 181
>> 182 config ALPHA_EB66
>> 183 bool "EB66"
113 help 184 help
114 Select this if your implementation h !! 185 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 186 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 187 supply. The EB66 schematic was published as a marketing poster
>> 188 advertising the 21066 as "the first microprocessor in the world with
>> 189 embedded PCI".
115 190
116 config OPENRISC_HAVE_INST_DIV !! 191 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 192 bool "EB66+"
118 default y <<
119 help 193 help
120 Select this if your implementation h !! 194 Later variant of the EB66 board.
121 195
122 config OPENRISC_HAVE_INST_CMOV !! 196 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 197 bool "Eiger"
124 default n <<
125 help 198 help
126 This config enables gcc to generate !! 199 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 200 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 201
130 Select this if your implementation h !! 202 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 203 bool "Jensen"
>> 204 depends on BROKEN
>> 205 select DMA_DIRECT_OPS
>> 206 help
>> 207 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 208 of the first-generation Alpha systems. A number of these systems
>> 209 seem to be available on the second- hand market. The Jensen is a
>> 210 floor-standing tower system which originally used a 150MHz 21064 It
>> 211 used programmable logic to interface a 486 EISA I/O bridge to the
>> 212 CPU.
132 213
133 Say N if you are unsure. !! 214 config ALPHA_LX164
>> 215 bool "LX164"
>> 216 help
>> 217 A technical overview of this board is available at
>> 218 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 219
135 config OPENRISC_HAVE_INST_ROR !! 220 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 221 bool "Lynx"
137 default n <<
138 help 222 help
139 This config enables gcc to generate !! 223 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 224
143 Select this if your implementation h !! 225 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 226 bool "Marvel"
>> 227 help
>> 228 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 229
146 Say N if you are unsure. !! 230 config ALPHA_MIATA
>> 231 bool "Miata"
>> 232 help
>> 233 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 234 or 600au).
147 235
148 config OPENRISC_HAVE_INST_RORI !! 236 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 237 bool "Mikasa"
150 default n <<
151 help 238 help
152 This config enables gcc to generate !! 239 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 240
156 Select this if your implementation h !! 241 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 242 bool "Nautilus"
>> 243 help
>> 244 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 245
159 Say N if you are unsure. !! 246 config ALPHA_NONAME_CH
>> 247 bool "Noname"
160 248
161 config OPENRISC_HAVE_INST_SEXT !! 249 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 250 bool "Noritake"
163 default n <<
164 help 251 help
165 This config enables gcc to generate !! 252 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 253 systems.
167 binary size. <<
168 254
169 Select this if your implementation h !! 255 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 256 bool "PC164"
171 257
172 Say N if you are unsure. !! 258 config ALPHA_P2K
>> 259 bool "Platform2000"
173 260
174 endmenu !! 261 config ALPHA_RAWHIDE
>> 262 bool "Rawhide"
>> 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>.
175 267
176 config NR_CPUS !! 268 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 269 bool "Ruffian"
178 range 2 32 !! 270 help
179 depends on SMP !! 271 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 272 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 273
182 config SMP !! 274 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 275 bool "RX164"
>> 276
>> 277 config ALPHA_SX164
>> 278 bool "SX164"
>> 279
>> 280 config ALPHA_SABLE
>> 281 bool "Sable"
184 help 282 help
185 This enables support for systems wit !! 283 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 284
189 If you don't know what to do here, s !! 285 config ALPHA_SHARK
>> 286 bool "Shark"
190 287
191 config FPU !! 288 config ALPHA_TAKARA
192 bool "FPU support" !! 289 bool "Takara"
193 default y <<
194 help 290 help
195 Say N here if you want to disable al !! 291 Alpha 11164-based OEM single-board computer.
196 in the kernel and reduce binary size <<
197 292
198 If you don't know what to do here, s !! 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.
199 302
200 source "kernel/Kconfig.hz" !! 303 endchoice
201 304
202 config OPENRISC_NO_SPR_SR_DSX !! 305 # clear all implied options (don't want default values for those):
203 bool "use SPR_SR_DSX software emulatio !! 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
>> 309 bool
204 default y 310 default y
205 help 311 help
206 SPR_SR_DSX bit is status register bi !! 312 Find out whether you have ISA slots on your motherboard. ISA is the
207 the last exception has happened in d !! 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.
208 317
209 OpenRISC architecture makes it optio !! 318 config ISA_DMA_API
210 in hardware and the OR1200 does not !! 319 bool
>> 320 default y
211 321
212 Say N here if you know that your Ope !! 322 config PCI
213 SPR_SR_DSX bit implemented. Say Y if !! 323 bool
>> 324 depends on !ALPHA_JENSEN
>> 325 select GENERIC_PCI_IOMAP
>> 326 default y
>> 327 help
>> 328 Find out whether you have a PCI motherboard. PCI is the name of a
>> 329 bus system, i.e. the way the CPU talks to the other stuff inside
>> 330 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 331 VESA. If you have PCI, say Y, otherwise N.
214 332
215 config OPENRISC_HAVE_SHADOW_GPRS !! 333 config PCI_DOMAINS
216 bool "Support for shadow gpr files" if !! 334 bool
217 default y if SMP !! 335 default y
>> 336
>> 337 config PCI_SYSCALL
>> 338 def_bool PCI
>> 339
>> 340 config ALPHA_NONAME
>> 341 bool
>> 342 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 343 default y
218 help 344 help
219 Say Y here if your OpenRISC processo !! 345 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
220 register files. They will in such ca !! 346 UDB). This design was produced by Digital's Technical OEM (TOEM)
221 scratch reg storage on exception ent !! 347 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 348 is a baby-AT size, and runs from a standard PC power supply. It has
>> 349 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 350 2 versions, with either PS/2 or large DIN connectors for the
>> 351 keyboard.
>> 352
>> 353 config ALPHA_EV4
>> 354 bool
>> 355 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
>> 356 default y if !ALPHA_LYNX
>> 357
>> 358 config ALPHA_LCA
>> 359 bool
>> 360 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 361 default y
222 362
223 On SMP systems, this feature is mand !! 363 config ALPHA_APECS
224 On a unicore system it's safe to say !! 364 bool
>> 365 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 366 default y
225 367
226 config CMDLINE !! 368 config ALPHA_EB64P
227 string "Default kernel command string" !! 369 bool
228 default "" !! 370 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 371 default y
229 help 372 help
230 On some architectures there is curre !! 373 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
231 to pass arguments to the kernel. For !! 374 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
232 supply some command-line options at !! 375 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
233 here. !! 376 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 377 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 378 Runs from standard PC power supply.
>> 379
>> 380 config ALPHA_EV5
>> 381 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 382 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
>> 383
>> 384 config ALPHA_EV4
>> 385 bool
>> 386 default y if ALPHA_LYNX && !ALPHA_EV5
>> 387
>> 388 config ALPHA_CIA
>> 389 bool
>> 390 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
>> 391 default y
234 392
235 menu "Debugging options" !! 393 config ALPHA_EV56
>> 394 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 395 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 396
>> 397 config ALPHA_EV56
>> 398 prompt "EV56 CPU (speed >= 333MHz)?"
>> 399 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 400
>> 401 config ALPHA_EV56
>> 402 prompt "EV56 CPU (speed >= 400MHz)?"
>> 403 depends on ALPHA_RAWHIDE
>> 404
>> 405 config ALPHA_PRIMO
>> 406 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 407 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 408 help
>> 409 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 410
>> 411 config ALPHA_GAMMA
>> 412 bool "EV5 CPU(s) (model 5/xxx)?"
>> 413 depends on ALPHA_SABLE
>> 414 help
>> 415 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 416
>> 417 config ALPHA_GAMMA
>> 418 bool
>> 419 depends on ALPHA_LYNX
>> 420 default y
>> 421
>> 422 config ALPHA_T2
>> 423 bool
>> 424 depends on ALPHA_SABLE || ALPHA_LYNX
>> 425 default y
>> 426
>> 427 config ALPHA_PYXIS
>> 428 bool
>> 429 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 430 default y
>> 431
>> 432 config ALPHA_EV6
>> 433 bool
>> 434 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 435 default y
>> 436
>> 437 config ALPHA_TSUNAMI
>> 438 bool
>> 439 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 440 default y
>> 441
>> 442 config ALPHA_EV67
>> 443 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 444 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 445 help
>> 446 Is this a machine based on the EV67 core? If in doubt, select N here
>> 447 and the machine will be treated as an EV6.
>> 448
>> 449 config ALPHA_MCPCIA
>> 450 bool
>> 451 depends on ALPHA_RAWHIDE
>> 452 default y
>> 453
>> 454 config ALPHA_POLARIS
>> 455 bool
>> 456 depends on ALPHA_RX164
>> 457 default y
>> 458
>> 459 config ALPHA_IRONGATE
>> 460 bool
>> 461 depends on ALPHA_NAUTILUS
>> 462 default y
>> 463
>> 464 config GENERIC_HWEIGHT
>> 465 bool
>> 466 default y if !ALPHA_EV67
236 467
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 468 config ALPHA_AVANTI
238 bool "Try to die gracefully" !! 469 bool
>> 470 depends on ALPHA_XL || ALPHA_AVANTI_CH
239 default y 471 default y
240 help 472 help
241 Now this puts kernel into infinite l !! 473 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
242 your kernel crashes this doesn't hav !! 474 Alphas. Info at
>> 475 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 476
>> 477 config ALPHA_BROKEN_IRQ_MASK
>> 478 bool
>> 479 depends on ALPHA_GENERIC || ALPHA_PC164
>> 480 default y
243 481
244 Say Y if you are unsure. !! 482 config VGA_HOSE
>> 483 bool
>> 484 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 485 default y
>> 486 help
>> 487 Support VGA on an arbitrary hose; needed for several platforms
>> 488 which always have multiple hoses, and whose consoles support it.
245 489
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 490
247 bool "Check for possible ESR exception !! 491 config ALPHA_QEMU
248 default n !! 492 bool "Run under QEMU emulation"
>> 493 depends on !ALPHA_GENERIC
>> 494 ---help---
>> 495 Assume the presence of special features supported by QEMU PALcode
>> 496 that reduce the overhead of system emulation.
>> 497
>> 498 Generic kernels will auto-detect QEMU. But when building a
>> 499 system-specific kernel, the assumption is that we want to
>> 500 eliminate as many runtime tests as possible.
>> 501
>> 502 If unsure, say N.
>> 503
>> 504
>> 505 config ALPHA_SRM
>> 506 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
>> 507 depends on TTY
>> 508 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
>> 509 ---help---
>> 510 There are two different types of booting firmware on Alphas: SRM,
>> 511 which is command line driven, and ARC, which uses menus and arrow
>> 512 keys. Details about the Linux/Alpha booting process are contained in
>> 513 the Linux/Alpha FAQ, accessible on the WWW from
>> 514 <http://www.alphalinux.org/>.
>> 515
>> 516 The usual way to load Linux on an Alpha machine is to use MILO
>> 517 (a bootloader that lets you pass command line parameters to the
>> 518 kernel just like lilo does for the x86 architecture) which can be
>> 519 loaded either from ARC or can be installed directly as a permanent
>> 520 firmware replacement from floppy (which requires changing a certain
>> 521 jumper on the motherboard). If you want to do either of these, say N
>> 522 here. If MILO doesn't work on your system (true for Jensen
>> 523 motherboards), you can bypass it altogether and boot Linux directly
>> 524 from an SRM console; say Y here in order to do that. Note that you
>> 525 won't be able to boot from an IDE disk using SRM.
>> 526
>> 527 If unsure, say N.
>> 528
>> 529 config EISA
>> 530 bool
>> 531 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 532 default y
>> 533
>> 534 config ARCH_MAY_HAVE_PC_FDC
>> 535 def_bool y
>> 536
>> 537 config SMP
>> 538 bool "Symmetric multi-processing support"
>> 539 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 540 ---help---
>> 541 This enables support for systems with more than one CPU. If you have
>> 542 a system with only one CPU, say N. If you have a system with more
>> 543 than one CPU, say Y.
>> 544
>> 545 If you say N here, the kernel will run on uni- and multiprocessor
>> 546 machines, but will use only one CPU of a multiprocessor machine. If
>> 547 you say Y here, the kernel will run on many, but not all,
>> 548 uniprocessor machines. On a uniprocessor machine, the kernel
>> 549 will run faster if you say N here.
>> 550
>> 551 See also the SMP-HOWTO available at
>> 552 <http://www.tldp.org/docs.html#howto>.
>> 553
>> 554 If you don't know what to do here, say N.
>> 555
>> 556 config NR_CPUS
>> 557 int "Maximum number of CPUs (2-32)"
>> 558 range 2 32
>> 559 depends on SMP
>> 560 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 561 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 562 help
>> 563 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 564 with working support have a maximum of 4 CPUs.
>> 565
>> 566 config ARCH_DISCONTIGMEM_ENABLE
>> 567 bool "Discontiguous Memory Support"
249 help 568 help
250 This option enables some checks that !! 569 Say Y to support efficient handling of discontiguous physical memory,
251 in kernel. !! 570 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 571 or have huge holes in the physical address space for other reasons.
>> 572 See <file:Documentation/vm/numa.rst> for more.
>> 573
>> 574 config NUMA
>> 575 bool "NUMA Support (EXPERIMENTAL)"
>> 576 depends on DISCONTIGMEM && BROKEN
>> 577 help
>> 578 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 579 Access). This option is for configuring high-end multiprocessor
>> 580 server machines. If in doubt, say N.
>> 581
>> 582 config ALPHA_WTINT
>> 583 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 584 default y if ALPHA_QEMU
>> 585 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 586 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 587 default y if SMP
>> 588 ---help---
>> 589 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 590 to sleep until the next interrupt. This may reduce the power
>> 591 consumed, and the heat produced by the computer. However, it has
>> 592 the side effect of making the cycle counter unreliable as a timing
>> 593 device across the sleep.
>> 594
>> 595 For emulation under QEMU, definitely say Y here, as we have other
>> 596 mechanisms for measuring time than the cycle counter.
>> 597
>> 598 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 599 MILO, sleep mode is not supported so you might as well say N here.
>> 600
>> 601 For SMP systems we cannot use the cycle counter for timing anyway,
>> 602 so you might as well say Y here.
>> 603
>> 604 If unsure, say N.
>> 605
>> 606 config NODES_SHIFT
>> 607 int
>> 608 default "7"
>> 609 depends on NEED_MULTIPLE_NODES
>> 610
>> 611 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 612 config ALPHA_LARGE_VMALLOC
>> 613 bool
>> 614 ---help---
>> 615 Process creation and other aspects of virtual memory management can
>> 616 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 617 allocations. This equates to about 8GB.
>> 618
>> 619 Under normal circumstances, this is so far and above what is needed
>> 620 as to be laughable. However, there are certain applications (such
>> 621 as benchmark-grade in-kernel web serving) that can make use of as
>> 622 much vmalloc space as is available.
>> 623
>> 624 Say N unless you know you need gobs and gobs of vmalloc space.
>> 625
>> 626 config VERBOSE_MCHECK
>> 627 bool "Verbose Machine Checks"
>> 628
>> 629 config VERBOSE_MCHECK_ON
>> 630 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 631 depends on VERBOSE_MCHECK
>> 632 default 1
>> 633 ---help---
>> 634 This option allows the default printing mode to be set, and then
>> 635 possibly overridden by a boot command argument.
>> 636
>> 637 For example, if one wanted the option of printing verbose
>> 638 machine checks, but wanted the default to be as if verbose
>> 639 machine check printing was turned off, then one would choose
>> 640 the printing mode to be 0. Then, upon reboot, one could add
>> 641 the boot command line "verbose_mcheck=1" to get the normal
>> 642 verbose machine check printing, or "verbose_mcheck=2" to get
>> 643 the maximum information available.
252 644
253 Say N if you are unsure. !! 645 Take the default (1) unless you want more control or more info.
254 646
255 endmenu !! 647 choice
>> 648 prompt "Timer interrupt frequency (HZ)?"
>> 649 default HZ_128 if ALPHA_QEMU
>> 650 default HZ_1200 if ALPHA_RAWHIDE
>> 651 default HZ_1024
>> 652 ---help---
>> 653 The frequency at which timer interrupts occur. A high frequency
>> 654 minimizes latency, whereas a low frequency minimizes overhead of
>> 655 process accounting. The later effect is especially significant
>> 656 when being run under QEMU.
>> 657
>> 658 Note that some Alpha hardware cannot change the interrupt frequency
>> 659 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 660
>> 661 config HZ_32
>> 662 bool "32 Hz"
>> 663 config HZ_64
>> 664 bool "64 Hz"
>> 665 config HZ_128
>> 666 bool "128 Hz"
>> 667 config HZ_256
>> 668 bool "256 Hz"
>> 669 config HZ_1024
>> 670 bool "1024 Hz"
>> 671 config HZ_1200
>> 672 bool "1200 Hz"
>> 673 endchoice
>> 674
>> 675 config HZ
>> 676 int
>> 677 default 32 if HZ_32
>> 678 default 64 if HZ_64
>> 679 default 128 if HZ_128
>> 680 default 256 if HZ_256
>> 681 default 1200 if HZ_1200
>> 682 default 1024
>> 683
>> 684 source "drivers/pci/Kconfig"
>> 685 source "drivers/eisa/Kconfig"
>> 686
>> 687 source "drivers/pcmcia/Kconfig"
>> 688
>> 689 config SRM_ENV
>> 690 tristate "SRM environment through procfs"
>> 691 depends on PROC_FS
>> 692 ---help---
>> 693 If you enable this option, a subdirectory inside /proc called
>> 694 /proc/srm_environment will give you access to the all important
>> 695 SRM environment variables (those which have a name) and also
>> 696 to all others (by their internal number).
>> 697
>> 698 SRM is something like a BIOS for Alpha machines. There are some
>> 699 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 700 support (hey, that's not SRM!).
>> 701
>> 702 Despite the fact that this driver doesn't work on all Alphas (but
>> 703 only on those which have SRM as their firmware), it's save to
>> 704 build it even if your particular machine doesn't know about SRM
>> 705 (or if you intend to compile a generic kernel). It will simply
>> 706 not create those subdirectory in /proc (and give you some warning,
>> 707 of course).
>> 708
>> 709 This driver is also available as a module and will be called
>> 710 srm_env then.
256 711
257 endmenu 712 endmenu
>> 713
>> 714 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 715 # but we also need it if VGA_HOSE is set
>> 716 config DUMMY_CONSOLE
>> 717 bool
>> 718 depends on VGA_HOSE
>> 719 default y
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.