1 # SPDX-License-Identifier: GPL-2.0 !! 1 config ALPHA
2 # !! 2 bool
3 # For a description of the syntax of this conf !! 3 default y
4 # see Documentation/kbuild/kconfig-language.rs !! 4 select ARCH_MIGHT_HAVE_PC_PARPORT
5 # !! 5 select ARCH_MIGHT_HAVE_PC_SERIO
6 !! 6 select ARCH_USE_CMPXCHG_LOCKREF
7 config OPENRISC !! 7 select HAVE_AOUT
8 def_bool y !! 8 select HAVE_IDE
9 select ARCH_32BIT_OFF_T !! 9 select HAVE_OPROFILE
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select HAVE_PCSPKR_PLATFORM
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select HAVE_PERF_EVENTS
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select VIRT_TO_BUS
13 select COMMON_CLK <<
14 select OF <<
15 select OF_EARLY_FLATTREE <<
16 select IRQ_DOMAIN <<
17 select GPIOLIB <<
18 select HAVE_ARCH_TRACEHOOK <<
19 select SPARSE_IRQ <<
20 select GENERIC_IRQ_CHIP <<
21 select GENERIC_IRQ_PROBE 13 select GENERIC_IRQ_PROBE
>> 14 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 15 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 16 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 18 select AUDIT_ARCH
26 select HAVE_PCI !! 19 select GENERIC_CLOCKEVENTS
27 select HAVE_UID16 <<
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 20 select GENERIC_SMP_IDLE_THREAD
>> 21 select GENERIC_STRNCPY_FROM_USER
>> 22 select GENERIC_STRNLEN_USER
>> 23 select HAVE_ARCH_AUDITSYSCALL
>> 24 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 25 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 26 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 27 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 28 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 29 help
37 select OMPIC if SMP !! 30 The Alpha is a 64-bit general-purpose processor designed and
38 select PCI_DOMAINS_GENERIC if PCI !! 31 marketed by the Digital Equipment Corporation of blessed memory,
39 select PCI_MSI if PCI !! 32 now Hewlett-Packard. The Alpha Linux project has a home page at
40 select ARCH_WANT_FRAME_POINTERS !! 33 <http://www.alphalinux.org/>.
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 34
45 config CPU_BIG_ENDIAN !! 35 config 64BIT
46 def_bool y 36 def_bool y
47 37
48 config MMU 38 config MMU
49 def_bool y !! 39 bool
>> 40 default y
50 41
51 config GENERIC_HWEIGHT !! 42 config RWSEM_GENERIC_SPINLOCK
52 def_bool y !! 43 bool
53 44
54 config NO_IOPORT_MAP !! 45 config RWSEM_XCHGADD_ALGORITHM
55 def_bool y !! 46 bool
>> 47 default y
56 48
57 # For now, use generic checksum functions !! 49 config ARCH_HAS_ILOG2_U32
58 #These can be reimplemented in assembly later !! 50 bool
59 config GENERIC_CSUM !! 51 default n
>> 52
>> 53 config ARCH_HAS_ILOG2_U64
>> 54 bool
>> 55 default n
>> 56
>> 57 config GENERIC_CALIBRATE_DELAY
>> 58 bool
>> 59 default y
>> 60
>> 61 config ZONE_DMA
>> 62 bool
>> 63 default y
>> 64
>> 65 config ARCH_DMA_ADDR_T_64BIT
60 def_bool y 66 def_bool y
61 67
62 config STACKTRACE_SUPPORT !! 68 config NEED_DMA_MAP_STATE
>> 69 def_bool y
>> 70
>> 71 config NEED_SG_DMA_LENGTH
63 def_bool y 72 def_bool y
64 73
65 config LOCKDEP_SUPPORT !! 74 config GENERIC_ISA_DMA
66 def_bool y !! 75 bool
>> 76 default y
>> 77
>> 78 config PGTABLE_LEVELS
>> 79 int
>> 80 default 3
>> 81
>> 82 source "init/Kconfig"
>> 83 source "kernel/Kconfig.freezer"
67 84
68 menu "Processor type and features" !! 85 config AUDIT_ARCH
>> 86 bool
>> 87
>> 88 menu "System setup"
69 89
70 choice 90 choice
71 prompt "Subarchitecture" !! 91 prompt "Alpha system type"
72 default OR1K_1200 !! 92 default ALPHA_GENERIC
>> 93 ---help---
>> 94 This is the system type of your hardware. A "generic" kernel will
>> 95 run on any supported Alpha system. However, if you configure a
>> 96 kernel for your specific system, it will be faster and smaller.
>> 97
>> 98 To find out what type of Alpha system you have, you may want to
>> 99 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 100 <http://www.alphalinux.org/>. In summary:
73 101
74 config OR1K_1200 !! 102 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
75 bool "OR1200" !! 103 Alpha-XL XL-233, XL-266
>> 104 AlphaBook1 Alpha laptop
>> 105 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 106 Cabriolet AlphaPC64, AlphaPCI64
>> 107 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 108 EB164 EB164 21164 evaluation board
>> 109 EB64+ EB64+ 21064 evaluation board
>> 110 EB66 EB66 21066 evaluation board
>> 111 EB66+ EB66+ 21066 evaluation board
>> 112 Jensen DECpc 150, DEC 2000 models 300, 500
>> 113 LX164 AlphaPC164-LX
>> 114 Lynx AS 2100A
>> 115 Miata Personal Workstation 433/500/600 a/au
>> 116 Marvel AlphaServer ES47 / ES80 / GS1280
>> 117 Mikasa AS 1000
>> 118 Noname AXPpci33, UDB (Multia)
>> 119 Noritake AS 1000A, AS 600A, AS 800
>> 120 PC164 AlphaPC164
>> 121 Rawhide AS 1200, AS 4000, AS 4100
>> 122 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 123 SX164 AlphaPC164-SX
>> 124 Sable AS 2000, AS 2100
>> 125 Shark DS 20L
>> 126 Takara Takara (OEM)
>> 127 Titan AlphaServer ES45 / DS25 / DS15
>> 128 Wildfire AlphaServer GS 40/80/160/320
>> 129
>> 130 If you don't know what to do, choose "generic".
>> 131
>> 132 config ALPHA_GENERIC
>> 133 bool "Generic"
>> 134 depends on TTY
76 help 135 help
77 Generic OpenRISC 1200 architecture !! 136 A generic kernel will run on all supported Alpha hardware.
78 137
79 endchoice !! 138 config ALPHA_ALCOR
>> 139 bool "Alcor/Alpha-XLT"
>> 140 help
>> 141 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 142 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 143 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 144 controller (256-bit memory bus) and a PCI interface. It also does
>> 145 all the work required to support an external Bcache and to maintain
>> 146 memory coherence when a PCI device DMAs into (or out of) memory.
80 147
81 config DCACHE_WRITETHROUGH !! 148 config ALPHA_XL
82 bool "Have write through data caches" !! 149 bool "Alpha-XL"
83 default n <<
84 help 150 help
85 Select this if your implementation f !! 151 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. <<
89 152
90 If unsure say N here !! 153 config ALPHA_BOOK1
>> 154 bool "AlphaBook1"
>> 155 help
>> 156 Dec AlphaBook1/Burns Alpha-based laptops.
91 157
92 config OPENRISC_BUILTIN_DTB !! 158 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 159 bool "Avanti"
94 default "" <<
95 160
96 menu "Class II Instructions" !! 161 config ALPHA_CABRIOLET
>> 162 bool "Cabriolet"
>> 163 help
>> 164 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 165 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 166 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 167 Bcache SIMMs. Requires power supply with 3.3V output.
97 168
98 config OPENRISC_HAVE_INST_FF1 !! 169 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 170 bool "DP264"
100 default y <<
101 help 171 help
102 Select this if your implementation h !! 172 Various 21264 systems with the tsunami core logic chipset.
>> 173 API Networks: 264DP, UP2000(+), CS20;
>> 174 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 175
104 config OPENRISC_HAVE_INST_FL1 !! 176 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 177 bool "EB164"
106 default y <<
107 help 178 help
108 Select this if your implementation h !! 179 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 180 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 181 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 182 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 183 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 184 motherboard. Requires power supply with 3.3V output.
109 185
110 config OPENRISC_HAVE_INST_MUL !! 186 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 187 bool "EB64+"
112 default y !! 188
>> 189 config ALPHA_EB66
>> 190 bool "EB66"
113 help 191 help
114 Select this if your implementation h !! 192 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 193 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 194 supply. The EB66 schematic was published as a marketing poster
>> 195 advertising the 21066 as "the first microprocessor in the world with
>> 196 embedded PCI".
115 197
116 config OPENRISC_HAVE_INST_DIV !! 198 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 199 bool "EB66+"
118 default y <<
119 help 200 help
120 Select this if your implementation h !! 201 Later variant of the EB66 board.
121 202
122 config OPENRISC_HAVE_INST_CMOV !! 203 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 204 bool "Eiger"
124 default n <<
125 help 205 help
126 This config enables gcc to generate !! 206 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 207 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 208
130 Select this if your implementation h !! 209 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 210 bool "Jensen"
>> 211 help
>> 212 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 213 of the first-generation Alpha systems. A number of these systems
>> 214 seem to be available on the second- hand market. The Jensen is a
>> 215 floor-standing tower system which originally used a 150MHz 21064 It
>> 216 used programmable logic to interface a 486 EISA I/O bridge to the
>> 217 CPU.
132 218
133 Say N if you are unsure. !! 219 config ALPHA_LX164
>> 220 bool "LX164"
>> 221 help
>> 222 A technical overview of this board is available at
>> 223 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 224
135 config OPENRISC_HAVE_INST_ROR !! 225 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 226 bool "Lynx"
137 default n <<
138 help 227 help
139 This config enables gcc to generate !! 228 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 229
143 Select this if your implementation h !! 230 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 234
146 Say N if you are unsure. !! 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 help
>> 238 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 239 or 600au).
147 240
148 config OPENRISC_HAVE_INST_RORI !! 241 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 242 bool "Mikasa"
150 default n <<
151 help 243 help
152 This config enables gcc to generate !! 244 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 245
156 Select this if your implementation h !! 246 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 247 bool "Nautilus"
>> 248 help
>> 249 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 250
159 Say N if you are unsure. !! 251 config ALPHA_NONAME_CH
>> 252 bool "Noname"
160 253
161 config OPENRISC_HAVE_INST_SEXT !! 254 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 255 bool "Noritake"
163 default n <<
164 help 256 help
165 This config enables gcc to generate !! 257 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 258 systems.
167 binary size. <<
168 259
169 Select this if your implementation h !! 260 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 261 bool "PC164"
171 262
172 Say N if you are unsure. !! 263 config ALPHA_P2K
>> 264 bool "Platform2000"
173 265
174 endmenu !! 266 config ALPHA_RAWHIDE
>> 267 bool "Rawhide"
>> 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>.
175 272
176 config NR_CPUS !! 273 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 274 bool "Ruffian"
178 range 2 32 !! 275 help
179 depends on SMP !! 276 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 277 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 278
182 config SMP !! 279 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 280 bool "RX164"
>> 281
>> 282 config ALPHA_SX164
>> 283 bool "SX164"
>> 284
>> 285 config ALPHA_SABLE
>> 286 bool "Sable"
184 help 287 help
185 This enables support for systems wit !! 288 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 289
189 If you don't know what to do here, s !! 290 config ALPHA_SHARK
>> 291 bool "Shark"
190 292
191 config FPU !! 293 config ALPHA_TAKARA
192 bool "FPU support" !! 294 bool "Takara"
193 default y !! 295 help
>> 296 Alpha 11164-based OEM single-board computer.
>> 297
>> 298 config ALPHA_TITAN
>> 299 bool "Titan"
>> 300 help
>> 301 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 302
>> 303 config ALPHA_WILDFIRE
>> 304 bool "Wildfire"
194 help 305 help
195 Say N here if you want to disable al !! 306 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
196 in the kernel and reduce binary size <<
197 307
198 If you don't know what to do here, s !! 308 endchoice
199 309
200 source "kernel/Kconfig.hz" !! 310 # clear all implied options (don't want default values for those):
>> 311 # Most of these machines have ISA slots; not exactly sure which don't,
>> 312 # and this doesn't activate hordes of code, so do it always.
>> 313 config ISA
>> 314 bool
>> 315 default y
>> 316 help
>> 317 Find out whether you have ISA slots on your motherboard. ISA is the
>> 318 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 319 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 320 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 321 newer boards don't support it. If you have ISA, say Y, otherwise N.
201 322
202 config OPENRISC_NO_SPR_SR_DSX !! 323 config ISA_DMA_API
203 bool "use SPR_SR_DSX software emulatio !! 324 bool
>> 325 default y
>> 326
>> 327 config PCI
>> 328 bool
>> 329 depends on !ALPHA_JENSEN
>> 330 select GENERIC_PCI_IOMAP
204 default y 331 default y
205 help 332 help
206 SPR_SR_DSX bit is status register bi !! 333 Find out whether you have a PCI motherboard. PCI is the name of a
207 the last exception has happened in d !! 334 bus system, i.e. the way the CPU talks to the other stuff inside
>> 335 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 336 VESA. If you have PCI, say Y, otherwise N.
>> 337
>> 338 config PCI_DOMAINS
>> 339 bool
>> 340 default y
208 341
209 OpenRISC architecture makes it optio !! 342 config PCI_SYSCALL
210 in hardware and the OR1200 does not !! 343 def_bool PCI
211 344
212 Say N here if you know that your Ope !! 345 config IOMMU_HELPER
213 SPR_SR_DSX bit implemented. Say Y if !! 346 def_bool PCI
214 347
215 config OPENRISC_HAVE_SHADOW_GPRS !! 348 config ALPHA_NONAME
216 bool "Support for shadow gpr files" if !! 349 bool
217 default y if SMP !! 350 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 351 default y
>> 352 help
>> 353 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 354 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 355 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 356 is a baby-AT size, and runs from a standard PC power supply. It has
>> 357 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 358 2 versions, with either PS/2 or large DIN connectors for the
>> 359 keyboard.
>> 360
>> 361 config ALPHA_EV4
>> 362 bool
>> 363 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
>> 364 default y if !ALPHA_LYNX
>> 365
>> 366 config ALPHA_LCA
>> 367 bool
>> 368 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 369 default y
>> 370
>> 371 config ALPHA_APECS
>> 372 bool
>> 373 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 374 default y
>> 375
>> 376 config ALPHA_EB64P
>> 377 bool
>> 378 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 379 default y
218 help 380 help
219 Say Y here if your OpenRISC processo !! 381 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
220 register files. They will in such ca !! 382 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
221 scratch reg storage on exception ent !! 383 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 384 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 385 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 386 Runs from standard PC power supply.
>> 387
>> 388 config ALPHA_EV5
>> 389 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 390 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
>> 391
>> 392 config ALPHA_EV4
>> 393 bool
>> 394 default y if ALPHA_LYNX && !ALPHA_EV5
>> 395
>> 396 config ALPHA_CIA
>> 397 bool
>> 398 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
>> 399 default y
>> 400
>> 401 config ALPHA_EV56
>> 402 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 403 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 404
>> 405 config ALPHA_EV56
>> 406 prompt "EV56 CPU (speed >= 333MHz)?"
>> 407 depends on ALPHA_NORITAKE || ALPHA_PRIMO
222 408
223 On SMP systems, this feature is mand !! 409 config ALPHA_EV56
224 On a unicore system it's safe to say !! 410 prompt "EV56 CPU (speed >= 400MHz)?"
>> 411 depends on ALPHA_RAWHIDE
225 412
226 config CMDLINE !! 413 config ALPHA_PRIMO
227 string "Default kernel command string" !! 414 bool "EV5 CPU daughtercard (model 5/xxx)?"
228 default "" !! 415 depends on ALPHA_NORITAKE || ALPHA_MIKASA
229 help 416 help
230 On some architectures there is curre !! 417 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
231 to pass arguments to the kernel. For <<
232 supply some command-line options at <<
233 here. <<
234 418
235 menu "Debugging options" !! 419 config ALPHA_GAMMA
>> 420 bool "EV5 CPU(s) (model 5/xxx)?"
>> 421 depends on ALPHA_SABLE
>> 422 help
>> 423 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 424
>> 425 config ALPHA_GAMMA
>> 426 bool
>> 427 depends on ALPHA_LYNX
>> 428 default y
>> 429
>> 430 config ALPHA_T2
>> 431 bool
>> 432 depends on ALPHA_SABLE || ALPHA_LYNX
>> 433 default y
>> 434
>> 435 config ALPHA_PYXIS
>> 436 bool
>> 437 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 438 default y
>> 439
>> 440 config ALPHA_EV6
>> 441 bool
>> 442 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 443 default y
236 444
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 445 config ALPHA_TSUNAMI
238 bool "Try to die gracefully" !! 446 bool
>> 447 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 448 default y
>> 449
>> 450 config ALPHA_EV67
>> 451 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 452 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 453 help
>> 454 Is this a machine based on the EV67 core? If in doubt, select N here
>> 455 and the machine will be treated as an EV6.
>> 456
>> 457 config ALPHA_MCPCIA
>> 458 bool
>> 459 depends on ALPHA_RAWHIDE
>> 460 default y
>> 461
>> 462 config ALPHA_POLARIS
>> 463 bool
>> 464 depends on ALPHA_RX164
>> 465 default y
>> 466
>> 467 config ALPHA_IRONGATE
>> 468 bool
>> 469 depends on ALPHA_NAUTILUS
>> 470 default y
>> 471
>> 472 config GENERIC_HWEIGHT
>> 473 bool
>> 474 default y if !ALPHA_EV67
>> 475
>> 476 config ALPHA_AVANTI
>> 477 bool
>> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
239 default y 479 default y
240 help 480 help
241 Now this puts kernel into infinite l !! 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
242 your kernel crashes this doesn't hav !! 482 Alphas. Info at
>> 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 484
>> 485 config ALPHA_BROKEN_IRQ_MASK
>> 486 bool
>> 487 depends on ALPHA_GENERIC || ALPHA_PC164
>> 488 default y
243 489
244 Say Y if you are unsure. !! 490 config VGA_HOSE
>> 491 bool
>> 492 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 493 default y
>> 494 help
>> 495 Support VGA on an arbitrary hose; needed for several platforms
>> 496 which always have multiple hoses, and whose consoles support it.
245 497
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 498
247 bool "Check for possible ESR exception !! 499 config ALPHA_QEMU
248 default n !! 500 bool "Run under QEMU emulation"
>> 501 depends on !ALPHA_GENERIC
>> 502 ---help---
>> 503 Assume the presence of special features supported by QEMU PALcode
>> 504 that reduce the overhead of system emulation.
>> 505
>> 506 Generic kernels will auto-detect QEMU. But when building a
>> 507 system-specific kernel, the assumption is that we want to
>> 508 elimiate as many runtime tests as possible.
>> 509
>> 510 If unsure, say N.
>> 511
>> 512
>> 513 config ALPHA_SRM
>> 514 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
>> 515 depends on TTY
>> 516 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
>> 517 ---help---
>> 518 There are two different types of booting firmware on Alphas: SRM,
>> 519 which is command line driven, and ARC, which uses menus and arrow
>> 520 keys. Details about the Linux/Alpha booting process are contained in
>> 521 the Linux/Alpha FAQ, accessible on the WWW from
>> 522 <http://www.alphalinux.org/>.
>> 523
>> 524 The usual way to load Linux on an Alpha machine is to use MILO
>> 525 (a bootloader that lets you pass command line parameters to the
>> 526 kernel just like lilo does for the x86 architecture) which can be
>> 527 loaded either from ARC or can be installed directly as a permanent
>> 528 firmware replacement from floppy (which requires changing a certain
>> 529 jumper on the motherboard). If you want to do either of these, say N
>> 530 here. If MILO doesn't work on your system (true for Jensen
>> 531 motherboards), you can bypass it altogether and boot Linux directly
>> 532 from an SRM console; say Y here in order to do that. Note that you
>> 533 won't be able to boot from an IDE disk using SRM.
>> 534
>> 535 If unsure, say N.
>> 536
>> 537 config EISA
>> 538 bool
>> 539 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 540 default y
>> 541
>> 542 config ARCH_MAY_HAVE_PC_FDC
>> 543 def_bool y
>> 544
>> 545 config SMP
>> 546 bool "Symmetric multi-processing support"
>> 547 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 548 ---help---
>> 549 This enables support for systems with more than one CPU. If you have
>> 550 a system with only one CPU, say N. If you have a system with more
>> 551 than one CPU, say Y.
>> 552
>> 553 If you say N here, the kernel will run on uni- and multiprocessor
>> 554 machines, but will use only one CPU of a multiprocessor machine. If
>> 555 you say Y here, the kernel will run on many, but not all,
>> 556 uniprocessor machines. On a uniprocessor machine, the kernel
>> 557 will run faster if you say N here.
>> 558
>> 559 See also the SMP-HOWTO available at
>> 560 <http://www.tldp.org/docs.html#howto>.
>> 561
>> 562 If you don't know what to do here, say N.
>> 563
>> 564 config HAVE_DEC_LOCK
>> 565 bool
>> 566 depends on SMP
>> 567 default y
>> 568
>> 569 config NR_CPUS
>> 570 int "Maximum number of CPUs (2-32)"
>> 571 range 2 32
>> 572 depends on SMP
>> 573 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 574 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 575 help
>> 576 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 577 with working support have a maximum of 4 CPUs.
>> 578
>> 579 config ARCH_DISCONTIGMEM_ENABLE
>> 580 bool "Discontiguous Memory Support"
249 help 581 help
250 This option enables some checks that !! 582 Say Y to support efficient handling of discontiguous physical memory,
251 in kernel. !! 583 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 584 or have huge holes in the physical address space for other reasons.
>> 585 See <file:Documentation/vm/numa> for more.
>> 586
>> 587 source "mm/Kconfig"
>> 588
>> 589 config NUMA
>> 590 bool "NUMA Support (EXPERIMENTAL)"
>> 591 depends on DISCONTIGMEM && BROKEN
>> 592 help
>> 593 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 594 Access). This option is for configuring high-end multiprocessor
>> 595 server machines. If in doubt, say N.
>> 596
>> 597 config ALPHA_WTINT
>> 598 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 599 default y if ALPHA_QEMU
>> 600 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 601 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 602 default y if SMP
>> 603 ---help---
>> 604 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 605 to sleep until the next interrupt. This may reduce the power
>> 606 consumed, and the heat produced by the computer. However, it has
>> 607 the side effect of making the cycle counter unreliable as a timing
>> 608 device across the sleep.
>> 609
>> 610 For emulation under QEMU, definitely say Y here, as we have other
>> 611 mechanisms for measuring time than the cycle counter.
>> 612
>> 613 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 614 MILO, sleep mode is not supported so you might as well say N here.
>> 615
>> 616 For SMP systems we cannot use the cycle counter for timing anyway,
>> 617 so you might as well say Y here.
>> 618
>> 619 If unsure, say N.
>> 620
>> 621 config NODES_SHIFT
>> 622 int
>> 623 default "7"
>> 624 depends on NEED_MULTIPLE_NODES
>> 625
>> 626 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 627 config ALPHA_LARGE_VMALLOC
>> 628 bool
>> 629 ---help---
>> 630 Process creation and other aspects of virtual memory management can
>> 631 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 632 allocations. This equates to about 8GB.
>> 633
>> 634 Under normal circumstances, this is so far and above what is needed
>> 635 as to be laughable. However, there are certain applications (such
>> 636 as benchmark-grade in-kernel web serving) that can make use of as
>> 637 much vmalloc space as is available.
>> 638
>> 639 Say N unless you know you need gobs and gobs of vmalloc space.
>> 640
>> 641 config VERBOSE_MCHECK
>> 642 bool "Verbose Machine Checks"
>> 643
>> 644 config VERBOSE_MCHECK_ON
>> 645 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 646 depends on VERBOSE_MCHECK
>> 647 default 1
>> 648 ---help---
>> 649 This option allows the default printing mode to be set, and then
>> 650 possibly overridden by a boot command argument.
>> 651
>> 652 For example, if one wanted the option of printing verbose
>> 653 machine checks, but wanted the default to be as if verbose
>> 654 machine check printing was turned off, then one would choose
>> 655 the printing mode to be 0. Then, upon reboot, one could add
>> 656 the boot command line "verbose_mcheck=1" to get the normal
>> 657 verbose machine check printing, or "verbose_mcheck=2" to get
>> 658 the maximum information available.
252 659
253 Say N if you are unsure. !! 660 Take the default (1) unless you want more control or more info.
254 661
255 endmenu !! 662 choice
>> 663 prompt "Timer interrupt frequency (HZ)?"
>> 664 default HZ_128 if ALPHA_QEMU
>> 665 default HZ_1200 if ALPHA_RAWHIDE
>> 666 default HZ_1024
>> 667 ---help---
>> 668 The frequency at which timer interrupts occur. A high frequency
>> 669 minimizes latency, whereas a low frequency minimizes overhead of
>> 670 process accounting. The later effect is especially significant
>> 671 when being run under QEMU.
>> 672
>> 673 Note that some Alpha hardware cannot change the interrupt frequency
>> 674 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 675
>> 676 config HZ_32
>> 677 bool "32 Hz"
>> 678 config HZ_64
>> 679 bool "64 Hz"
>> 680 config HZ_128
>> 681 bool "128 Hz"
>> 682 config HZ_256
>> 683 bool "256 Hz"
>> 684 config HZ_1024
>> 685 bool "1024 Hz"
>> 686 config HZ_1200
>> 687 bool "1200 Hz"
>> 688 endchoice
>> 689
>> 690 config HZ
>> 691 int
>> 692 default 32 if HZ_32
>> 693 default 64 if HZ_64
>> 694 default 128 if HZ_128
>> 695 default 256 if HZ_256
>> 696 default 1200 if HZ_1200
>> 697 default 1024
>> 698
>> 699 source "drivers/pci/Kconfig"
>> 700 source "drivers/eisa/Kconfig"
>> 701
>> 702 source "drivers/pcmcia/Kconfig"
>> 703
>> 704 config SRM_ENV
>> 705 tristate "SRM environment through procfs"
>> 706 depends on PROC_FS
>> 707 ---help---
>> 708 If you enable this option, a subdirectory inside /proc called
>> 709 /proc/srm_environment will give you access to the all important
>> 710 SRM environment variables (those which have a name) and also
>> 711 to all others (by their internal number).
>> 712
>> 713 SRM is something like a BIOS for Alpha machines. There are some
>> 714 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 715 support (hey, that's not SRM!).
>> 716
>> 717 Despite the fact that this driver doesn't work on all Alphas (but
>> 718 only on those which have SRM as their firmware), it's save to
>> 719 build it even if your particular machine doesn't know about SRM
>> 720 (or if you intend to compile a generic kernel). It will simply
>> 721 not create those subdirectory in /proc (and give you some warning,
>> 722 of course).
>> 723
>> 724 This driver is also available as a module and will be called
>> 725 srm_env then.
>> 726
>> 727 source "fs/Kconfig.binfmt"
256 728
257 endmenu 729 endmenu
>> 730
>> 731 source "net/Kconfig"
>> 732
>> 733 source "drivers/Kconfig"
>> 734
>> 735 source "fs/Kconfig"
>> 736
>> 737 source "arch/alpha/Kconfig.debug"
>> 738
>> 739 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 740 # but we also need it if VGA_HOSE is set
>> 741 config DUMMY_CONSOLE
>> 742 bool
>> 743 depends on VGA_HOSE
>> 744 default y
>> 745
>> 746 source "security/Kconfig"
>> 747
>> 748 source "crypto/Kconfig"
>> 749
>> 750 source "lib/Kconfig"
>> 751
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