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_USE_CMPXCHG_LOCKREF
8 def_bool y !! 8 select HAVE_AOUT
9 select ARCH_32BIT_OFF_T !! 9 select HAVE_IDE
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select HAVE_OPROFILE
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select HAVE_PCSPKR_PLATFORM
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select HAVE_PERF_EVENTS
13 select COMMON_CLK !! 13 select VIRT_TO_BUS
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 14 select GENERIC_IRQ_PROBE
>> 15 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 16 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 17 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 19 select AUDIT_ARCH
26 select HAVE_PCI !! 20 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 21 select GENERIC_SMP_IDLE_THREAD
>> 22 select GENERIC_STRNCPY_FROM_USER
>> 23 select GENERIC_STRNLEN_USER
>> 24 select HAVE_ARCH_AUDITSYSCALL
>> 25 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 26 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 27 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 28 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 29 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 30 help
37 select OMPIC if SMP !! 31 The Alpha is a 64-bit general-purpose processor designed and
38 select PCI_DOMAINS_GENERIC if PCI !! 32 marketed by the Digital Equipment Corporation of blessed memory,
39 select PCI_MSI if PCI !! 33 now Hewlett-Packard. The Alpha Linux project has a home page at
40 select ARCH_WANT_FRAME_POINTERS !! 34 <http://www.alphalinux.org/>.
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 35
45 config CPU_BIG_ENDIAN !! 36 config 64BIT
46 def_bool y 37 def_bool y
47 38
48 config MMU 39 config MMU
49 def_bool y !! 40 bool
>> 41 default y
50 42
51 config GENERIC_HWEIGHT !! 43 config RWSEM_GENERIC_SPINLOCK
52 def_bool y !! 44 bool
53 45
54 config NO_IOPORT_MAP !! 46 config RWSEM_XCHGADD_ALGORITHM
55 def_bool y !! 47 bool
>> 48 default y
56 49
57 # For now, use generic checksum functions !! 50 config ARCH_HAS_ILOG2_U32
58 #These can be reimplemented in assembly later !! 51 bool
59 config GENERIC_CSUM !! 52 default n
>> 53
>> 54 config ARCH_HAS_ILOG2_U64
>> 55 bool
>> 56 default n
>> 57
>> 58 config GENERIC_CALIBRATE_DELAY
>> 59 bool
>> 60 default y
>> 61
>> 62 config ZONE_DMA
>> 63 bool
>> 64 default y
>> 65
>> 66 config ARCH_DMA_ADDR_T_64BIT
60 def_bool y 67 def_bool y
61 68
62 config STACKTRACE_SUPPORT !! 69 config NEED_DMA_MAP_STATE
>> 70 def_bool y
>> 71
>> 72 config NEED_SG_DMA_LENGTH
63 def_bool y 73 def_bool y
64 74
65 config LOCKDEP_SUPPORT !! 75 config GENERIC_ISA_DMA
66 def_bool y !! 76 bool
>> 77 default y
>> 78
>> 79 config PGTABLE_LEVELS
>> 80 int
>> 81 default 3
>> 82
>> 83 source "init/Kconfig"
>> 84 source "kernel/Kconfig.freezer"
67 85
68 menu "Processor type and features" !! 86 config AUDIT_ARCH
>> 87 bool
>> 88
>> 89 menu "System setup"
69 90
70 choice 91 choice
71 prompt "Subarchitecture" !! 92 prompt "Alpha system type"
72 default OR1K_1200 !! 93 default ALPHA_GENERIC
>> 94 ---help---
>> 95 This is the system type of your hardware. A "generic" kernel will
>> 96 run on any supported Alpha system. However, if you configure a
>> 97 kernel for your specific system, it will be faster and smaller.
>> 98
>> 99 To find out what type of Alpha system you have, you may want to
>> 100 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 101 <http://www.alphalinux.org/>. In summary:
73 102
74 config OR1K_1200 !! 103 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
75 bool "OR1200" !! 104 Alpha-XL XL-233, XL-266
>> 105 AlphaBook1 Alpha laptop
>> 106 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 107 Cabriolet AlphaPC64, AlphaPCI64
>> 108 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 109 EB164 EB164 21164 evaluation board
>> 110 EB64+ EB64+ 21064 evaluation board
>> 111 EB66 EB66 21066 evaluation board
>> 112 EB66+ EB66+ 21066 evaluation board
>> 113 Jensen DECpc 150, DEC 2000 models 300, 500
>> 114 LX164 AlphaPC164-LX
>> 115 Lynx AS 2100A
>> 116 Miata Personal Workstation 433/500/600 a/au
>> 117 Marvel AlphaServer ES47 / ES80 / GS1280
>> 118 Mikasa AS 1000
>> 119 Noname AXPpci33, UDB (Multia)
>> 120 Noritake AS 1000A, AS 600A, AS 800
>> 121 PC164 AlphaPC164
>> 122 Rawhide AS 1200, AS 4000, AS 4100
>> 123 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 124 SX164 AlphaPC164-SX
>> 125 Sable AS 2000, AS 2100
>> 126 Shark DS 20L
>> 127 Takara Takara (OEM)
>> 128 Titan AlphaServer ES45 / DS25 / DS15
>> 129 Wildfire AlphaServer GS 40/80/160/320
>> 130
>> 131 If you don't know what to do, choose "generic".
>> 132
>> 133 config ALPHA_GENERIC
>> 134 bool "Generic"
>> 135 depends on TTY
76 help 136 help
77 Generic OpenRISC 1200 architecture !! 137 A generic kernel will run on all supported Alpha hardware.
78 138
79 endchoice !! 139 config ALPHA_ALCOR
>> 140 bool "Alcor/Alpha-XLT"
>> 141 help
>> 142 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 143 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 144 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 145 controller (256-bit memory bus) and a PCI interface. It also does
>> 146 all the work required to support an external Bcache and to maintain
>> 147 memory coherence when a PCI device DMAs into (or out of) memory.
80 148
81 config DCACHE_WRITETHROUGH !! 149 config ALPHA_XL
82 bool "Have write through data caches" !! 150 bool "Alpha-XL"
83 default n <<
84 help 151 help
85 Select this if your implementation f !! 152 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. <<
89 153
90 If unsure say N here !! 154 config ALPHA_BOOK1
>> 155 bool "AlphaBook1"
>> 156 help
>> 157 Dec AlphaBook1/Burns Alpha-based laptops.
91 158
92 config OPENRISC_BUILTIN_DTB !! 159 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 160 bool "Avanti"
94 default "" <<
95 161
96 menu "Class II Instructions" !! 162 config ALPHA_CABRIOLET
>> 163 bool "Cabriolet"
>> 164 help
>> 165 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 166 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 167 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 168 Bcache SIMMs. Requires power supply with 3.3V output.
97 169
98 config OPENRISC_HAVE_INST_FF1 !! 170 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 171 bool "DP264"
100 default y <<
101 help 172 help
102 Select this if your implementation h !! 173 Various 21264 systems with the tsunami core logic chipset.
>> 174 API Networks: 264DP, UP2000(+), CS20;
>> 175 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 176
104 config OPENRISC_HAVE_INST_FL1 !! 177 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 178 bool "EB164"
106 default y <<
107 help 179 help
108 Select this if your implementation h !! 180 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 181 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 182 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 183 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 184 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 185 motherboard. Requires power supply with 3.3V output.
109 186
110 config OPENRISC_HAVE_INST_MUL !! 187 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 188 bool "EB64+"
112 default y !! 189
>> 190 config ALPHA_EB66
>> 191 bool "EB66"
113 help 192 help
114 Select this if your implementation h !! 193 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 194 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 195 supply. The EB66 schematic was published as a marketing poster
>> 196 advertising the 21066 as "the first microprocessor in the world with
>> 197 embedded PCI".
115 198
116 config OPENRISC_HAVE_INST_DIV !! 199 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 200 bool "EB66+"
118 default y <<
119 help 201 help
120 Select this if your implementation h !! 202 Later variant of the EB66 board.
121 203
122 config OPENRISC_HAVE_INST_CMOV !! 204 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 205 bool "Eiger"
124 default n <<
125 help 206 help
126 This config enables gcc to generate !! 207 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 208 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 209
130 Select this if your implementation h !! 210 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 211 bool "Jensen"
>> 212 depends on BROKEN
>> 213 help
>> 214 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 215 of the first-generation Alpha systems. A number of these systems
>> 216 seem to be available on the second- hand market. The Jensen is a
>> 217 floor-standing tower system which originally used a 150MHz 21064 It
>> 218 used programmable logic to interface a 486 EISA I/O bridge to the
>> 219 CPU.
132 220
133 Say N if you are unsure. !! 221 config ALPHA_LX164
>> 222 bool "LX164"
>> 223 help
>> 224 A technical overview of this board is available at
>> 225 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 226
135 config OPENRISC_HAVE_INST_ROR !! 227 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 228 bool "Lynx"
137 default n <<
138 help 229 help
139 This config enables gcc to generate !! 230 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 231
143 Select this if your implementation h !! 232 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 233 bool "Marvel"
>> 234 help
>> 235 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 236
146 Say N if you are unsure. !! 237 config ALPHA_MIATA
>> 238 bool "Miata"
>> 239 help
>> 240 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 241 or 600au).
147 242
148 config OPENRISC_HAVE_INST_RORI !! 243 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 244 bool "Mikasa"
150 default n <<
151 help 245 help
152 This config enables gcc to generate !! 246 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 247
156 Select this if your implementation h !! 248 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 249 bool "Nautilus"
>> 250 help
>> 251 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 252
159 Say N if you are unsure. !! 253 config ALPHA_NONAME_CH
>> 254 bool "Noname"
160 255
161 config OPENRISC_HAVE_INST_SEXT !! 256 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 257 bool "Noritake"
163 default n <<
164 help 258 help
165 This config enables gcc to generate !! 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 260 systems.
167 binary size. <<
168 261
169 Select this if your implementation h !! 262 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 263 bool "PC164"
171 264
172 Say N if you are unsure. !! 265 config ALPHA_P2K
>> 266 bool "Platform2000"
173 267
174 endmenu !! 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 help
>> 271 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 272 See HOWTO at
>> 273 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
175 274
176 config NR_CPUS !! 275 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 276 bool "Ruffian"
178 range 2 32 !! 277 help
179 depends on SMP !! 278 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 279 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 280
182 config SMP !! 281 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 282 bool "RX164"
>> 283
>> 284 config ALPHA_SX164
>> 285 bool "SX164"
>> 286
>> 287 config ALPHA_SABLE
>> 288 bool "Sable"
184 help 289 help
185 This enables support for systems wit !! 290 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 291
189 If you don't know what to do here, s !! 292 config ALPHA_SHARK
>> 293 bool "Shark"
190 294
191 config FPU !! 295 config ALPHA_TAKARA
192 bool "FPU support" !! 296 bool "Takara"
193 default y !! 297 help
>> 298 Alpha 11164-based OEM single-board computer.
>> 299
>> 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 304
>> 305 config ALPHA_WILDFIRE
>> 306 bool "Wildfire"
194 help 307 help
195 Say N here if you want to disable al !! 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
196 in the kernel and reduce binary size <<
197 309
198 If you don't know what to do here, s !! 310 endchoice
199 311
200 source "kernel/Kconfig.hz" !! 312 # clear all implied options (don't want default values for those):
>> 313 # Most of these machines have ISA slots; not exactly sure which don't,
>> 314 # and this doesn't activate hordes of code, so do it always.
>> 315 config ISA
>> 316 bool
>> 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
201 324
202 config OPENRISC_NO_SPR_SR_DSX !! 325 config ISA_DMA_API
203 bool "use SPR_SR_DSX software emulatio !! 326 bool
>> 327 default y
>> 328
>> 329 config PCI
>> 330 bool
>> 331 depends on !ALPHA_JENSEN
>> 332 select GENERIC_PCI_IOMAP
204 default y 333 default y
205 help 334 help
206 SPR_SR_DSX bit is status register bi !! 335 Find out whether you have a PCI motherboard. PCI is the name of a
207 the last exception has happened in d !! 336 bus system, i.e. the way the CPU talks to the other stuff inside
>> 337 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 338 VESA. If you have PCI, say Y, otherwise N.
>> 339
>> 340 config PCI_DOMAINS
>> 341 bool
>> 342 default y
208 343
209 OpenRISC architecture makes it optio !! 344 config PCI_SYSCALL
210 in hardware and the OR1200 does not !! 345 def_bool PCI
211 346
212 Say N here if you know that your Ope !! 347 config IOMMU_HELPER
213 SPR_SR_DSX bit implemented. Say Y if !! 348 def_bool PCI
214 349
215 config OPENRISC_HAVE_SHADOW_GPRS !! 350 config ALPHA_NONAME
216 bool "Support for shadow gpr files" if !! 351 bool
217 default y if SMP !! 352 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 353 default y
>> 354 help
>> 355 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 356 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 357 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 358 is a baby-AT size, and runs from a standard PC power supply. It has
>> 359 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 360 2 versions, with either PS/2 or large DIN connectors for the
>> 361 keyboard.
>> 362
>> 363 config ALPHA_EV4
>> 364 bool
>> 365 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
>> 366 default y if !ALPHA_LYNX
>> 367
>> 368 config ALPHA_LCA
>> 369 bool
>> 370 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 371 default y
>> 372
>> 373 config ALPHA_APECS
>> 374 bool
>> 375 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 376 default y
>> 377
>> 378 config ALPHA_EB64P
>> 379 bool
>> 380 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 381 default y
218 help 382 help
219 Say Y here if your OpenRISC processo !! 383 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
220 register files. They will in such ca !! 384 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
221 scratch reg storage on exception ent !! 385 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 386 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 387 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 388 Runs from standard PC power supply.
>> 389
>> 390 config ALPHA_EV5
>> 391 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 392 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
>> 393
>> 394 config ALPHA_EV4
>> 395 bool
>> 396 default y if ALPHA_LYNX && !ALPHA_EV5
>> 397
>> 398 config ALPHA_CIA
>> 399 bool
>> 400 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
>> 401 default y
>> 402
>> 403 config ALPHA_EV56
>> 404 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 405 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 406
>> 407 config ALPHA_EV56
>> 408 prompt "EV56 CPU (speed >= 333MHz)?"
>> 409 depends on ALPHA_NORITAKE || ALPHA_PRIMO
222 410
223 On SMP systems, this feature is mand !! 411 config ALPHA_EV56
224 On a unicore system it's safe to say !! 412 prompt "EV56 CPU (speed >= 400MHz)?"
>> 413 depends on ALPHA_RAWHIDE
225 414
226 config CMDLINE !! 415 config ALPHA_PRIMO
227 string "Default kernel command string" !! 416 bool "EV5 CPU daughtercard (model 5/xxx)?"
228 default "" !! 417 depends on ALPHA_NORITAKE || ALPHA_MIKASA
229 help 418 help
230 On some architectures there is curre !! 419 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. <<
234 420
235 menu "Debugging options" !! 421 config ALPHA_GAMMA
>> 422 bool "EV5 CPU(s) (model 5/xxx)?"
>> 423 depends on ALPHA_SABLE
>> 424 help
>> 425 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 426
>> 427 config ALPHA_GAMMA
>> 428 bool
>> 429 depends on ALPHA_LYNX
>> 430 default y
>> 431
>> 432 config ALPHA_T2
>> 433 bool
>> 434 depends on ALPHA_SABLE || ALPHA_LYNX
>> 435 default y
>> 436
>> 437 config ALPHA_PYXIS
>> 438 bool
>> 439 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 440 default y
>> 441
>> 442 config ALPHA_EV6
>> 443 bool
>> 444 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 445 default y
236 446
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 447 config ALPHA_TSUNAMI
238 bool "Try to die gracefully" !! 448 bool
>> 449 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 450 default y
>> 451
>> 452 config ALPHA_EV67
>> 453 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 454 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 455 help
>> 456 Is this a machine based on the EV67 core? If in doubt, select N here
>> 457 and the machine will be treated as an EV6.
>> 458
>> 459 config ALPHA_MCPCIA
>> 460 bool
>> 461 depends on ALPHA_RAWHIDE
>> 462 default y
>> 463
>> 464 config ALPHA_POLARIS
>> 465 bool
>> 466 depends on ALPHA_RX164
>> 467 default y
>> 468
>> 469 config ALPHA_IRONGATE
>> 470 bool
>> 471 depends on ALPHA_NAUTILUS
>> 472 default y
>> 473
>> 474 config GENERIC_HWEIGHT
>> 475 bool
>> 476 default y if !ALPHA_EV67
>> 477
>> 478 config ALPHA_AVANTI
>> 479 bool
>> 480 depends on ALPHA_XL || ALPHA_AVANTI_CH
239 default y 481 default y
240 help 482 help
241 Now this puts kernel into infinite l !! 483 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
242 your kernel crashes this doesn't hav !! 484 Alphas. Info at
>> 485 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 486
>> 487 config ALPHA_BROKEN_IRQ_MASK
>> 488 bool
>> 489 depends on ALPHA_GENERIC || ALPHA_PC164
>> 490 default y
243 491
244 Say Y if you are unsure. !! 492 config VGA_HOSE
>> 493 bool
>> 494 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 495 default y
>> 496 help
>> 497 Support VGA on an arbitrary hose; needed for several platforms
>> 498 which always have multiple hoses, and whose consoles support it.
245 499
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 500
247 bool "Check for possible ESR exception !! 501 config ALPHA_QEMU
248 default n !! 502 bool "Run under QEMU emulation"
>> 503 depends on !ALPHA_GENERIC
>> 504 ---help---
>> 505 Assume the presence of special features supported by QEMU PALcode
>> 506 that reduce the overhead of system emulation.
>> 507
>> 508 Generic kernels will auto-detect QEMU. But when building a
>> 509 system-specific kernel, the assumption is that we want to
>> 510 eliminate as many runtime tests as possible.
>> 511
>> 512 If unsure, say N.
>> 513
>> 514
>> 515 config ALPHA_SRM
>> 516 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
>> 517 depends on TTY
>> 518 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
>> 519 ---help---
>> 520 There are two different types of booting firmware on Alphas: SRM,
>> 521 which is command line driven, and ARC, which uses menus and arrow
>> 522 keys. Details about the Linux/Alpha booting process are contained in
>> 523 the Linux/Alpha FAQ, accessible on the WWW from
>> 524 <http://www.alphalinux.org/>.
>> 525
>> 526 The usual way to load Linux on an Alpha machine is to use MILO
>> 527 (a bootloader that lets you pass command line parameters to the
>> 528 kernel just like lilo does for the x86 architecture) which can be
>> 529 loaded either from ARC or can be installed directly as a permanent
>> 530 firmware replacement from floppy (which requires changing a certain
>> 531 jumper on the motherboard). If you want to do either of these, say N
>> 532 here. If MILO doesn't work on your system (true for Jensen
>> 533 motherboards), you can bypass it altogether and boot Linux directly
>> 534 from an SRM console; say Y here in order to do that. Note that you
>> 535 won't be able to boot from an IDE disk using SRM.
>> 536
>> 537 If unsure, say N.
>> 538
>> 539 config EISA
>> 540 bool
>> 541 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 542 default y
>> 543
>> 544 config ARCH_MAY_HAVE_PC_FDC
>> 545 def_bool y
>> 546
>> 547 config SMP
>> 548 bool "Symmetric multi-processing support"
>> 549 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 550 ---help---
>> 551 This enables support for systems with more than one CPU. If you have
>> 552 a system with only one CPU, say N. If you have a system with more
>> 553 than one CPU, say Y.
>> 554
>> 555 If you say N here, the kernel will run on uni- and multiprocessor
>> 556 machines, but will use only one CPU of a multiprocessor machine. If
>> 557 you say Y here, the kernel will run on many, but not all,
>> 558 uniprocessor machines. On a uniprocessor machine, the kernel
>> 559 will run faster if you say N here.
>> 560
>> 561 See also the SMP-HOWTO available at
>> 562 <http://www.tldp.org/docs.html#howto>.
>> 563
>> 564 If you don't know what to do here, say N.
>> 565
>> 566 config HAVE_DEC_LOCK
>> 567 bool
>> 568 depends on SMP
>> 569 default y
>> 570
>> 571 config NR_CPUS
>> 572 int "Maximum number of CPUs (2-32)"
>> 573 range 2 32
>> 574 depends on SMP
>> 575 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 576 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 577 help
>> 578 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 579 with working support have a maximum of 4 CPUs.
>> 580
>> 581 config ARCH_DISCONTIGMEM_ENABLE
>> 582 bool "Discontiguous Memory Support"
249 help 583 help
250 This option enables some checks that !! 584 Say Y to support efficient handling of discontiguous physical memory,
251 in kernel. !! 585 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 586 or have huge holes in the physical address space for other reasons.
>> 587 See <file:Documentation/vm/numa> for more.
>> 588
>> 589 source "mm/Kconfig"
>> 590
>> 591 config NUMA
>> 592 bool "NUMA Support (EXPERIMENTAL)"
>> 593 depends on DISCONTIGMEM && BROKEN
>> 594 help
>> 595 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 596 Access). This option is for configuring high-end multiprocessor
>> 597 server machines. If in doubt, say N.
>> 598
>> 599 config ALPHA_WTINT
>> 600 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 601 default y if ALPHA_QEMU
>> 602 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 603 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 604 default y if SMP
>> 605 ---help---
>> 606 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 607 to sleep until the next interrupt. This may reduce the power
>> 608 consumed, and the heat produced by the computer. However, it has
>> 609 the side effect of making the cycle counter unreliable as a timing
>> 610 device across the sleep.
>> 611
>> 612 For emulation under QEMU, definitely say Y here, as we have other
>> 613 mechanisms for measuring time than the cycle counter.
>> 614
>> 615 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 616 MILO, sleep mode is not supported so you might as well say N here.
>> 617
>> 618 For SMP systems we cannot use the cycle counter for timing anyway,
>> 619 so you might as well say Y here.
>> 620
>> 621 If unsure, say N.
>> 622
>> 623 config NODES_SHIFT
>> 624 int
>> 625 default "7"
>> 626 depends on NEED_MULTIPLE_NODES
>> 627
>> 628 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 629 config ALPHA_LARGE_VMALLOC
>> 630 bool
>> 631 ---help---
>> 632 Process creation and other aspects of virtual memory management can
>> 633 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 634 allocations. This equates to about 8GB.
>> 635
>> 636 Under normal circumstances, this is so far and above what is needed
>> 637 as to be laughable. However, there are certain applications (such
>> 638 as benchmark-grade in-kernel web serving) that can make use of as
>> 639 much vmalloc space as is available.
>> 640
>> 641 Say N unless you know you need gobs and gobs of vmalloc space.
>> 642
>> 643 config VERBOSE_MCHECK
>> 644 bool "Verbose Machine Checks"
>> 645
>> 646 config VERBOSE_MCHECK_ON
>> 647 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 648 depends on VERBOSE_MCHECK
>> 649 default 1
>> 650 ---help---
>> 651 This option allows the default printing mode to be set, and then
>> 652 possibly overridden by a boot command argument.
>> 653
>> 654 For example, if one wanted the option of printing verbose
>> 655 machine checks, but wanted the default to be as if verbose
>> 656 machine check printing was turned off, then one would choose
>> 657 the printing mode to be 0. Then, upon reboot, one could add
>> 658 the boot command line "verbose_mcheck=1" to get the normal
>> 659 verbose machine check printing, or "verbose_mcheck=2" to get
>> 660 the maximum information available.
252 661
253 Say N if you are unsure. !! 662 Take the default (1) unless you want more control or more info.
254 663
255 endmenu !! 664 choice
>> 665 prompt "Timer interrupt frequency (HZ)?"
>> 666 default HZ_128 if ALPHA_QEMU
>> 667 default HZ_1200 if ALPHA_RAWHIDE
>> 668 default HZ_1024
>> 669 ---help---
>> 670 The frequency at which timer interrupts occur. A high frequency
>> 671 minimizes latency, whereas a low frequency minimizes overhead of
>> 672 process accounting. The later effect is especially significant
>> 673 when being run under QEMU.
>> 674
>> 675 Note that some Alpha hardware cannot change the interrupt frequency
>> 676 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 677
>> 678 config HZ_32
>> 679 bool "32 Hz"
>> 680 config HZ_64
>> 681 bool "64 Hz"
>> 682 config HZ_128
>> 683 bool "128 Hz"
>> 684 config HZ_256
>> 685 bool "256 Hz"
>> 686 config HZ_1024
>> 687 bool "1024 Hz"
>> 688 config HZ_1200
>> 689 bool "1200 Hz"
>> 690 endchoice
>> 691
>> 692 config HZ
>> 693 int
>> 694 default 32 if HZ_32
>> 695 default 64 if HZ_64
>> 696 default 128 if HZ_128
>> 697 default 256 if HZ_256
>> 698 default 1200 if HZ_1200
>> 699 default 1024
>> 700
>> 701 source "drivers/pci/Kconfig"
>> 702 source "drivers/eisa/Kconfig"
>> 703
>> 704 source "drivers/pcmcia/Kconfig"
>> 705
>> 706 config SRM_ENV
>> 707 tristate "SRM environment through procfs"
>> 708 depends on PROC_FS
>> 709 ---help---
>> 710 If you enable this option, a subdirectory inside /proc called
>> 711 /proc/srm_environment will give you access to the all important
>> 712 SRM environment variables (those which have a name) and also
>> 713 to all others (by their internal number).
>> 714
>> 715 SRM is something like a BIOS for Alpha machines. There are some
>> 716 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 717 support (hey, that's not SRM!).
>> 718
>> 719 Despite the fact that this driver doesn't work on all Alphas (but
>> 720 only on those which have SRM as their firmware), it's save to
>> 721 build it even if your particular machine doesn't know about SRM
>> 722 (or if you intend to compile a generic kernel). It will simply
>> 723 not create those subdirectory in /proc (and give you some warning,
>> 724 of course).
>> 725
>> 726 This driver is also available as a module and will be called
>> 727 srm_env then.
>> 728
>> 729 source "fs/Kconfig.binfmt"
256 730
257 endmenu 731 endmenu
>> 732
>> 733 source "net/Kconfig"
>> 734
>> 735 source "drivers/Kconfig"
>> 736
>> 737 source "fs/Kconfig"
>> 738
>> 739 source "arch/alpha/Kconfig.debug"
>> 740
>> 741 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 742 # but we also need it if VGA_HOSE is set
>> 743 config DUMMY_CONSOLE
>> 744 bool
>> 745 depends on VGA_HOSE
>> 746 default y
>> 747
>> 748 source "security/Kconfig"
>> 749
>> 750 source "crypto/Kconfig"
>> 751
>> 752 source "lib/Kconfig"
>> 753
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