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_NO_SG_CHAIN
9 select ARCH_32BIT_OFF_T !! 9 select ARCH_USE_CMPXCHG_LOCKREF
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select FORCE_PCI if !ALPHA_JENSEN
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select PCI_DOMAINS if PCI
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select PCI_SYSCALL if PCI
13 select COMMON_CLK !! 13 select HAVE_AOUT
14 select OF !! 14 select HAVE_ASM_MODVERSIONS
15 select OF_EARLY_FLATTREE !! 15 select HAVE_IDE
16 select IRQ_DOMAIN !! 16 select HAVE_OPROFILE
17 select GPIOLIB !! 17 select HAVE_PCSPKR_PLATFORM
18 select HAVE_ARCH_TRACEHOOK !! 18 select HAVE_PERF_EVENTS
19 select SPARSE_IRQ !! 19 select NEED_DMA_MAP_STATE
20 select GENERIC_IRQ_CHIP !! 20 select NEED_SG_DMA_LENGTH
>> 21 select VIRT_TO_BUS
21 select GENERIC_IRQ_PROBE 22 select GENERIC_IRQ_PROBE
>> 23 select GENERIC_PCI_IOMAP if PCI
>> 24 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 25 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 26 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 27 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 28 select AUDIT_ARCH
26 select HAVE_PCI !! 29 select GENERIC_CLOCKEVENTS
27 select HAVE_UID16 !! 30 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 31 select GENERIC_SMP_IDLE_THREAD
>> 32 select GENERIC_STRNCPY_FROM_USER
>> 33 select GENERIC_STRNLEN_USER
>> 34 select HAVE_ARCH_AUDITSYSCALL
>> 35 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 36 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 37 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 38 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 39 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 40 select MMU_GATHER_NO_RANGE
37 select OMPIC if SMP !! 41 help
38 select PCI_DOMAINS_GENERIC if PCI !! 42 The Alpha is a 64-bit general-purpose processor designed and
39 select PCI_MSI if PCI !! 43 marketed by the Digital Equipment Corporation of blessed memory,
40 select ARCH_WANT_FRAME_POINTERS !! 44 now Hewlett-Packard. The Alpha Linux project has a home page at
41 select GENERIC_IRQ_MULTI_HANDLER !! 45 <http://www.alphalinux.org/>.
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 46
45 config CPU_BIG_ENDIAN !! 47 config 64BIT
46 def_bool y 48 def_bool y
47 49
48 config MMU 50 config MMU
49 def_bool y !! 51 bool
>> 52 default y
50 53
51 config GENERIC_HWEIGHT !! 54 config ARCH_HAS_ILOG2_U32
52 def_bool y !! 55 bool
>> 56 default n
53 57
54 config NO_IOPORT_MAP !! 58 config ARCH_HAS_ILOG2_U64
55 def_bool y !! 59 bool
>> 60 default n
56 61
57 # For now, use generic checksum functions !! 62 config GENERIC_CALIBRATE_DELAY
58 #These can be reimplemented in assembly later !! 63 bool
59 config GENERIC_CSUM !! 64 default y
60 def_bool y <<
61 65
62 config STACKTRACE_SUPPORT !! 66 config ZONE_DMA
63 def_bool y !! 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
64 77
65 config LOCKDEP_SUPPORT !! 78 config AUDIT_ARCH
66 def_bool y !! 79 bool
67 80
68 menu "Processor type and features" !! 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.
>> 90
>> 91 To find out what type of Alpha system you have, you may want to
>> 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
73 122
74 config OR1K_1200 !! 123 If you don't know what to do, choose "generic".
75 bool "OR1200" !! 124
>> 125 config ALPHA_GENERIC
>> 126 bool "Generic"
>> 127 depends on TTY
>> 128 select HAVE_EISA
76 help 129 help
77 Generic OpenRISC 1200 architecture !! 130 A generic kernel will run on all supported Alpha hardware.
78 131
79 endchoice !! 132 config ALPHA_ALCOR
>> 133 bool "Alcor/Alpha-XLT"
>> 134 select HAVE_EISA
>> 135 help
>> 136 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 137 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 138 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 139 controller (256-bit memory bus) and a PCI interface. It also does
>> 140 all the work required to support an external Bcache and to maintain
>> 141 memory coherence when a PCI device DMAs into (or out of) memory.
80 142
81 config DCACHE_WRITETHROUGH !! 143 config ALPHA_XL
82 bool "Have write through data caches" !! 144 bool "Alpha-XL"
83 default n <<
84 help 145 help
85 Select this if your implementation f !! 146 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. <<
89 147
90 If unsure say N here !! 148 config ALPHA_BOOK1
>> 149 bool "AlphaBook1"
>> 150 help
>> 151 Dec AlphaBook1/Burns Alpha-based laptops.
91 152
92 config OPENRISC_BUILTIN_DTB !! 153 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 154 bool "Avanti"
94 default "" <<
95 155
96 menu "Class II Instructions" !! 156 config ALPHA_CABRIOLET
>> 157 bool "Cabriolet"
>> 158 help
>> 159 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 160 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 161 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 162 Bcache SIMMs. Requires power supply with 3.3V output.
97 163
98 config OPENRISC_HAVE_INST_FF1 !! 164 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 165 bool "DP264"
100 default y <<
101 help 166 help
102 Select this if your implementation h !! 167 Various 21264 systems with the tsunami core logic chipset.
>> 168 API Networks: 264DP, UP2000(+), CS20;
>> 169 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 170
104 config OPENRISC_HAVE_INST_FL1 !! 171 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 172 bool "EB164"
106 default y <<
107 help 173 help
108 Select this if your implementation h !! 174 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 175 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 176 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 177 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 178 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 179 motherboard. Requires power supply with 3.3V output.
109 180
110 config OPENRISC_HAVE_INST_MUL !! 181 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 182 bool "EB64+"
112 default y !! 183
>> 184 config ALPHA_EB66
>> 185 bool "EB66"
113 help 186 help
114 Select this if your implementation h !! 187 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 188 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 189 supply. The EB66 schematic was published as a marketing poster
>> 190 advertising the 21066 as "the first microprocessor in the world with
>> 191 embedded PCI".
115 192
116 config OPENRISC_HAVE_INST_DIV !! 193 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 194 bool "EB66+"
118 default y <<
119 help 195 help
120 Select this if your implementation h !! 196 Later variant of the EB66 board.
121 197
122 config OPENRISC_HAVE_INST_CMOV !! 198 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 199 bool "Eiger"
124 default n <<
125 help 200 help
126 This config enables gcc to generate !! 201 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 202 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 203
130 Select this if your implementation h !! 204 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 205 bool "Jensen"
>> 206 depends on BROKEN
>> 207 select HAVE_EISA
>> 208 help
>> 209 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 210 of the first-generation Alpha systems. A number of these systems
>> 211 seem to be available on the second- hand market. The Jensen is a
>> 212 floor-standing tower system which originally used a 150MHz 21064 It
>> 213 used programmable logic to interface a 486 EISA I/O bridge to the
>> 214 CPU.
132 215
133 Say N if you are unsure. !! 216 config ALPHA_LX164
>> 217 bool "LX164"
>> 218 help
>> 219 A technical overview of this board is available at
>> 220 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 221
135 config OPENRISC_HAVE_INST_ROR !! 222 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 223 bool "Lynx"
137 default n !! 224 select HAVE_EISA
138 help 225 help
139 This config enables gcc to generate !! 226 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 227
143 Select this if your implementation h !! 228 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 229 bool "Marvel"
>> 230 help
>> 231 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 232
146 Say N if you are unsure. !! 233 config ALPHA_MIATA
>> 234 bool "Miata"
>> 235 select HAVE_EISA
>> 236 help
>> 237 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 238 or 600au).
147 239
148 config OPENRISC_HAVE_INST_RORI !! 240 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 241 bool "Mikasa"
150 default n <<
151 help 242 help
152 This config enables gcc to generate !! 243 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 244
156 Select this if your implementation h !! 245 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 246 bool "Nautilus"
>> 247 help
>> 248 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 249
159 Say N if you are unsure. !! 250 config ALPHA_NONAME_CH
>> 251 bool "Noname"
160 252
161 config OPENRISC_HAVE_INST_SEXT !! 253 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 254 bool "Noritake"
163 default n !! 255 select HAVE_EISA
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 select HAVE_EISA
>> 269 help
>> 270 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 271 See HOWTO at
>> 272 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
175 273
176 config NR_CPUS !! 274 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 275 bool "Ruffian"
178 range 2 32 !! 276 help
179 depends on SMP !! 277 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 278 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 279
182 config SMP !! 280 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 281 bool "RX164"
>> 282
>> 283 config ALPHA_SX164
>> 284 bool "SX164"
>> 285
>> 286 config ALPHA_SABLE
>> 287 bool "Sable"
>> 288 select HAVE_EISA
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 <<
194 help 297 help
195 Say N here if you want to disable al !! 298 Alpha 11164-based OEM single-board computer.
196 in the kernel and reduce binary size <<
197 299
198 If you don't know what to do here, s !! 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
199 304
200 source "kernel/Kconfig.hz" !! 305 config ALPHA_WILDFIRE
>> 306 bool "Wildfire"
>> 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
201 309
202 config OPENRISC_NO_SPR_SR_DSX !! 310 endchoice
203 bool "use SPR_SR_DSX software emulatio !! 311
>> 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
204 default y 317 default y
205 help 318 help
206 SPR_SR_DSX bit is status register bi !! 319 Find out whether you have ISA slots on your motherboard. ISA is the
207 the last exception has happened in d !! 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.
>> 324
>> 325 config ISA_DMA_API
>> 326 bool
>> 327 default y
208 328
209 OpenRISC architecture makes it optio !! 329 config ALPHA_NONAME
210 in hardware and the OR1200 does not !! 330 bool
>> 331 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 332 default y
>> 333 help
>> 334 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 335 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 336 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 337 is a baby-AT size, and runs from a standard PC power supply. It has
>> 338 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 339 2 versions, with either PS/2 or large DIN connectors for the
>> 340 keyboard.
>> 341
>> 342 config ALPHA_EV4
>> 343 bool
>> 344 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
>> 345 default y if !ALPHA_LYNX
>> 346
>> 347 config ALPHA_LCA
>> 348 bool
>> 349 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 350 default y
211 351
212 Say N here if you know that your Ope !! 352 config ALPHA_APECS
213 SPR_SR_DSX bit implemented. Say Y if !! 353 bool
>> 354 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 355 default y
214 356
215 config OPENRISC_HAVE_SHADOW_GPRS !! 357 config ALPHA_EB64P
216 bool "Support for shadow gpr files" if !! 358 bool
217 default y if SMP !! 359 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 360 default y
218 help 361 help
219 Say Y here if your OpenRISC processo !! 362 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
220 register files. They will in such ca !! 363 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
221 scratch reg storage on exception ent !! 364 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 365 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 366 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 367 Runs from standard PC power supply.
>> 368
>> 369 config ALPHA_EV5
>> 370 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 371 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
>> 372
>> 373 config ALPHA_EV4
>> 374 bool
>> 375 default y if ALPHA_LYNX && !ALPHA_EV5
>> 376
>> 377 config ALPHA_CIA
>> 378 bool
>> 379 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
>> 380 default y
>> 381
>> 382 config ALPHA_EV56
>> 383 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 384 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
222 385
223 On SMP systems, this feature is mand !! 386 config ALPHA_EV56
224 On a unicore system it's safe to say !! 387 prompt "EV56 CPU (speed >= 333MHz)?"
>> 388 depends on ALPHA_NORITAKE || ALPHA_PRIMO
225 389
226 config CMDLINE !! 390 config ALPHA_EV56
227 string "Default kernel command string" !! 391 prompt "EV56 CPU (speed >= 400MHz)?"
228 default "" !! 392 depends on ALPHA_RAWHIDE
>> 393
>> 394 config ALPHA_PRIMO
>> 395 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 396 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 397 help
>> 398 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 399
>> 400 config ALPHA_GAMMA
>> 401 bool "EV5 CPU(s) (model 5/xxx)?"
>> 402 depends on ALPHA_SABLE
229 help 403 help
230 On some architectures there is curre !! 404 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
231 to pass arguments to the kernel. For !! 405
232 supply some command-line options at !! 406 config ALPHA_GAMMA
233 here. !! 407 bool
>> 408 depends on ALPHA_LYNX
>> 409 default y
>> 410
>> 411 config ALPHA_T2
>> 412 bool
>> 413 depends on ALPHA_SABLE || ALPHA_LYNX
>> 414 default y
234 415
235 menu "Debugging options" !! 416 config ALPHA_PYXIS
>> 417 bool
>> 418 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 419 default y
>> 420
>> 421 config ALPHA_EV6
>> 422 bool
>> 423 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 424 default y
>> 425
>> 426 config ALPHA_TSUNAMI
>> 427 bool
>> 428 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 429 default y
>> 430
>> 431 config ALPHA_EV67
>> 432 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 433 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 434 help
>> 435 Is this a machine based on the EV67 core? If in doubt, select N here
>> 436 and the machine will be treated as an EV6.
>> 437
>> 438 config ALPHA_MCPCIA
>> 439 bool
>> 440 depends on ALPHA_RAWHIDE
>> 441 default y
>> 442
>> 443 config ALPHA_POLARIS
>> 444 bool
>> 445 depends on ALPHA_RX164
>> 446 default y
>> 447
>> 448 config ALPHA_IRONGATE
>> 449 bool
>> 450 depends on ALPHA_NAUTILUS
>> 451 default y
>> 452
>> 453 config GENERIC_HWEIGHT
>> 454 bool
>> 455 default y if !ALPHA_EV67
>> 456
>> 457 config ALPHA_AVANTI
>> 458 bool
>> 459 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 460 default y
>> 461 help
>> 462 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 463 Alphas. Info at
>> 464 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 465
>> 466 config ALPHA_BROKEN_IRQ_MASK
>> 467 bool
>> 468 depends on ALPHA_GENERIC || ALPHA_PC164
>> 469 default y
236 470
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 471 config VGA_HOSE
238 bool "Try to die gracefully" !! 472 bool
>> 473 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
239 default y 474 default y
240 help 475 help
241 Now this puts kernel into infinite l !! 476 Support VGA on an arbitrary hose; needed for several platforms
242 your kernel crashes this doesn't hav !! 477 which always have multiple hoses, and whose consoles support it.
243 478
244 Say Y if you are unsure. <<
245 479
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 480 config ALPHA_QEMU
247 bool "Check for possible ESR exception !! 481 bool "Run under QEMU emulation"
248 default n !! 482 depends on !ALPHA_GENERIC
>> 483 ---help---
>> 484 Assume the presence of special features supported by QEMU PALcode
>> 485 that reduce the overhead of system emulation.
>> 486
>> 487 Generic kernels will auto-detect QEMU. But when building a
>> 488 system-specific kernel, the assumption is that we want to
>> 489 eliminate as many runtime tests as possible.
>> 490
>> 491 If unsure, say N.
>> 492
>> 493
>> 494 config ALPHA_SRM
>> 495 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
>> 496 depends on TTY
>> 497 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
>> 498 ---help---
>> 499 There are two different types of booting firmware on Alphas: SRM,
>> 500 which is command line driven, and ARC, which uses menus and arrow
>> 501 keys. Details about the Linux/Alpha booting process are contained in
>> 502 the Linux/Alpha FAQ, accessible on the WWW from
>> 503 <http://www.alphalinux.org/>.
>> 504
>> 505 The usual way to load Linux on an Alpha machine is to use MILO
>> 506 (a bootloader that lets you pass command line parameters to the
>> 507 kernel just like lilo does for the x86 architecture) which can be
>> 508 loaded either from ARC or can be installed directly as a permanent
>> 509 firmware replacement from floppy (which requires changing a certain
>> 510 jumper on the motherboard). If you want to do either of these, say N
>> 511 here. If MILO doesn't work on your system (true for Jensen
>> 512 motherboards), you can bypass it altogether and boot Linux directly
>> 513 from an SRM console; say Y here in order to do that. Note that you
>> 514 won't be able to boot from an IDE disk using SRM.
>> 515
>> 516 If unsure, say N.
>> 517
>> 518 config ARCH_MAY_HAVE_PC_FDC
>> 519 def_bool y
>> 520
>> 521 config SMP
>> 522 bool "Symmetric multi-processing support"
>> 523 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 524 ---help---
>> 525 This enables support for systems with more than one CPU. If you have
>> 526 a system with only one CPU, say N. If you have a system with more
>> 527 than one CPU, say Y.
>> 528
>> 529 If you say N here, the kernel will run on uni- and multiprocessor
>> 530 machines, but will use only one CPU of a multiprocessor machine. If
>> 531 you say Y here, the kernel will run on many, but not all,
>> 532 uniprocessor machines. On a uniprocessor machine, the kernel
>> 533 will run faster if you say N here.
>> 534
>> 535 See also the SMP-HOWTO available at
>> 536 <http://www.tldp.org/docs.html#howto>.
>> 537
>> 538 If you don't know what to do here, say N.
>> 539
>> 540 config NR_CPUS
>> 541 int "Maximum number of CPUs (2-32)"
>> 542 range 2 32
>> 543 depends on SMP
>> 544 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 545 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
249 help 546 help
250 This option enables some checks that !! 547 MARVEL support can handle a maximum of 32 CPUs, all the others
251 in kernel. !! 548 with working support have a maximum of 4 CPUs.
252 549
253 Say N if you are unsure. !! 550 config ARCH_DISCONTIGMEM_ENABLE
>> 551 bool "Discontiguous Memory Support"
>> 552 help
>> 553 Say Y to support efficient handling of discontiguous physical memory,
>> 554 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 555 or have huge holes in the physical address space for other reasons.
>> 556 See <file:Documentation/vm/numa.rst> for more.
>> 557
>> 558 config NUMA
>> 559 bool "NUMA Support (EXPERIMENTAL)"
>> 560 depends on DISCONTIGMEM && BROKEN
>> 561 help
>> 562 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 563 Access). This option is for configuring high-end multiprocessor
>> 564 server machines. If in doubt, say N.
>> 565
>> 566 config ALPHA_WTINT
>> 567 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 568 default y if ALPHA_QEMU
>> 569 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 570 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 571 default y if SMP
>> 572 ---help---
>> 573 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 574 to sleep until the next interrupt. This may reduce the power
>> 575 consumed, and the heat produced by the computer. However, it has
>> 576 the side effect of making the cycle counter unreliable as a timing
>> 577 device across the sleep.
>> 578
>> 579 For emulation under QEMU, definitely say Y here, as we have other
>> 580 mechanisms for measuring time than the cycle counter.
>> 581
>> 582 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 583 MILO, sleep mode is not supported so you might as well say N here.
>> 584
>> 585 For SMP systems we cannot use the cycle counter for timing anyway,
>> 586 so you might as well say Y here.
>> 587
>> 588 If unsure, say N.
>> 589
>> 590 config NODES_SHIFT
>> 591 int
>> 592 default "7"
>> 593 depends on NEED_MULTIPLE_NODES
>> 594
>> 595 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 596 config ALPHA_LARGE_VMALLOC
>> 597 bool
>> 598 ---help---
>> 599 Process creation and other aspects of virtual memory management can
>> 600 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 601 allocations. This equates to about 8GB.
>> 602
>> 603 Under normal circumstances, this is so far and above what is needed
>> 604 as to be laughable. However, there are certain applications (such
>> 605 as benchmark-grade in-kernel web serving) that can make use of as
>> 606 much vmalloc space as is available.
>> 607
>> 608 Say N unless you know you need gobs and gobs of vmalloc space.
>> 609
>> 610 config VERBOSE_MCHECK
>> 611 bool "Verbose Machine Checks"
>> 612
>> 613 config VERBOSE_MCHECK_ON
>> 614 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 615 depends on VERBOSE_MCHECK
>> 616 default 1
>> 617 ---help---
>> 618 This option allows the default printing mode to be set, and then
>> 619 possibly overridden by a boot command argument.
>> 620
>> 621 For example, if one wanted the option of printing verbose
>> 622 machine checks, but wanted the default to be as if verbose
>> 623 machine check printing was turned off, then one would choose
>> 624 the printing mode to be 0. Then, upon reboot, one could add
>> 625 the boot command line "verbose_mcheck=1" to get the normal
>> 626 verbose machine check printing, or "verbose_mcheck=2" to get
>> 627 the maximum information available.
254 628
255 endmenu !! 629 Take the default (1) unless you want more control or more info.
>> 630
>> 631 choice
>> 632 prompt "Timer interrupt frequency (HZ)?"
>> 633 default HZ_128 if ALPHA_QEMU
>> 634 default HZ_1200 if ALPHA_RAWHIDE
>> 635 default HZ_1024
>> 636 ---help---
>> 637 The frequency at which timer interrupts occur. A high frequency
>> 638 minimizes latency, whereas a low frequency minimizes overhead of
>> 639 process accounting. The later effect is especially significant
>> 640 when being run under QEMU.
>> 641
>> 642 Note that some Alpha hardware cannot change the interrupt frequency
>> 643 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 644
>> 645 config HZ_32
>> 646 bool "32 Hz"
>> 647 config HZ_64
>> 648 bool "64 Hz"
>> 649 config HZ_128
>> 650 bool "128 Hz"
>> 651 config HZ_256
>> 652 bool "256 Hz"
>> 653 config HZ_1024
>> 654 bool "1024 Hz"
>> 655 config HZ_1200
>> 656 bool "1200 Hz"
>> 657 endchoice
>> 658
>> 659 config HZ
>> 660 int
>> 661 default 32 if HZ_32
>> 662 default 64 if HZ_64
>> 663 default 128 if HZ_128
>> 664 default 256 if HZ_256
>> 665 default 1200 if HZ_1200
>> 666 default 1024
>> 667
>> 668 config SRM_ENV
>> 669 tristate "SRM environment through procfs"
>> 670 depends on PROC_FS
>> 671 ---help---
>> 672 If you enable this option, a subdirectory inside /proc called
>> 673 /proc/srm_environment will give you access to the all important
>> 674 SRM environment variables (those which have a name) and also
>> 675 to all others (by their internal number).
>> 676
>> 677 SRM is something like a BIOS for Alpha machines. There are some
>> 678 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 679 support (hey, that's not SRM!).
>> 680
>> 681 Despite the fact that this driver doesn't work on all Alphas (but
>> 682 only on those which have SRM as their firmware), it's save to
>> 683 build it even if your particular machine doesn't know about SRM
>> 684 (or if you intend to compile a generic kernel). It will simply
>> 685 not create those subdirectory in /proc (and give you some warning,
>> 686 of course).
>> 687
>> 688 This driver is also available as a module and will be called
>> 689 srm_env then.
256 690
257 endmenu 691 endmenu
>> 692
>> 693 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 694 # but we also need it if VGA_HOSE is set
>> 695 config DUMMY_CONSOLE
>> 696 bool
>> 697 depends on VGA_HOSE
>> 698 default y
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