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_32BIT_USTAT_F_TINODE
6 !! 6 select ARCH_MIGHT_HAVE_PC_PARPORT
7 config OPENRISC !! 7 select ARCH_MIGHT_HAVE_PC_SERIO
8 def_bool y !! 8 select ARCH_NO_PREEMPT
9 select ARCH_32BIT_OFF_T !! 9 select ARCH_NO_SG_CHAIN
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select ARCH_USE_CMPXCHG_LOCKREF
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select DMA_OPS if PCI
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select FORCE_PCI if !ALPHA_JENSEN
13 select COMMON_CLK !! 13 select PCI_DOMAINS if PCI
14 select OF !! 14 select PCI_SYSCALL if PCI
15 select OF_EARLY_FLATTREE !! 15 select HAVE_ASM_MODVERSIONS
16 select IRQ_DOMAIN !! 16 select HAVE_PCSPKR_PLATFORM
17 select GPIOLIB !! 17 select HAVE_PERF_EVENTS
18 select HAVE_ARCH_TRACEHOOK !! 18 select NEED_DMA_MAP_STATE
19 select SPARSE_IRQ !! 19 select NEED_SG_DMA_LENGTH
20 select GENERIC_IRQ_CHIP <<
21 select GENERIC_IRQ_PROBE 20 select GENERIC_IRQ_PROBE
22 select GENERIC_IRQ_SHOW <<
23 select GENERIC_PCI_IOMAP 21 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 22 select AUTO_IRQ_AFFINITY if SMP
25 select GENERIC_CPU_DEVICES !! 23 select GENERIC_IRQ_SHOW
26 select HAVE_PCI !! 24 select ARCH_WANT_IPC_PARSE_VERSION
27 select HAVE_UID16 !! 25 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select HAVE_PAGE_SIZE_8KB !! 26 select AUDIT_ARCH
29 select GENERIC_ATOMIC64 !! 27 select GENERIC_CPU_VULNERABILITIES
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 28 select GENERIC_SMP_IDLE_THREAD
>> 29 select HAVE_ARCH_AUDITSYSCALL
>> 30 select HAVE_MOD_ARCH_SPECIFIC
>> 31 select LOCK_MM_AND_FIND_VMA
32 select MODULES_USE_ELF_RELA 32 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 33 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 34 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 35 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 36 select MMU_GATHER_NO_RANGE
37 select OMPIC if SMP !! 37 select SPARSEMEM_EXTREME if SPARSEMEM
38 select PCI_DOMAINS_GENERIC if PCI !! 38 select ZONE_DMA
39 select PCI_MSI if PCI !! 39 help
40 select ARCH_WANT_FRAME_POINTERS !! 40 The Alpha is a 64-bit general-purpose processor designed and
41 select GENERIC_IRQ_MULTI_HANDLER !! 41 marketed by the Digital Equipment Corporation of blessed memory,
42 select MMU_GATHER_NO_RANGE if MMU !! 42 now Hewlett-Packard. The Alpha Linux project has a home page at
43 select TRACE_IRQFLAGS_SUPPORT !! 43 <http://www.alphalinux.org/>.
44 44
45 config CPU_BIG_ENDIAN !! 45 config 64BIT
46 def_bool y 46 def_bool y
47 47
48 config MMU 48 config MMU
49 def_bool y !! 49 bool
>> 50 default y
50 51
51 config GENERIC_HWEIGHT !! 52 config ARCH_HAS_ILOG2_U32
52 def_bool y !! 53 bool
>> 54 default n
53 55
54 config NO_IOPORT_MAP !! 56 config ARCH_HAS_ILOG2_U64
55 def_bool y !! 57 bool
>> 58 default n
56 59
57 # For now, use generic checksum functions !! 60 config GENERIC_CALIBRATE_DELAY
58 #These can be reimplemented in assembly later !! 61 bool
59 config GENERIC_CSUM !! 62 default y
60 def_bool y <<
61 63
62 config STACKTRACE_SUPPORT !! 64 config GENERIC_ISA_DMA
63 def_bool y !! 65 bool
>> 66 default y
>> 67
>> 68 config PGTABLE_LEVELS
>> 69 int
>> 70 default 3
64 71
65 config LOCKDEP_SUPPORT !! 72 config AUDIT_ARCH
66 def_bool y !! 73 bool
67 74
68 menu "Processor type and features" !! 75 menu "System setup"
69 76
70 choice 77 choice
71 prompt "Subarchitecture" !! 78 prompt "Alpha system type"
72 default OR1K_1200 !! 79 default ALPHA_GENERIC
>> 80 help
>> 81 This is the system type of your hardware. A "generic" kernel will
>> 82 run on any supported Alpha system. However, if you configure a
>> 83 kernel for your specific system, it will be faster and smaller.
>> 84
>> 85 To find out what type of Alpha system you have, you may want to
>> 86 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 87 <http://www.alphalinux.org/>. In summary:
>> 88
>> 89 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 90 Alpha-XL XL-233, XL-266
>> 91 AlphaBook1 Alpha laptop
>> 92 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 93 Cabriolet AlphaPC64, AlphaPCI64
>> 94 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 95 EB164 EB164 21164 evaluation board
>> 96 EB64+ EB64+ 21064 evaluation board
>> 97 EB66 EB66 21066 evaluation board
>> 98 EB66+ EB66+ 21066 evaluation board
>> 99 Jensen DECpc 150, DEC 2000 models 300, 500
>> 100 LX164 AlphaPC164-LX
>> 101 Lynx AS 2100A
>> 102 Miata Personal Workstation 433/500/600 a/au
>> 103 Marvel AlphaServer ES47 / ES80 / GS1280
>> 104 Mikasa AS 1000
>> 105 Noname AXPpci33, UDB (Multia)
>> 106 Noritake AS 1000A, AS 600A, AS 800
>> 107 PC164 AlphaPC164
>> 108 Rawhide AS 1200, AS 4000, AS 4100
>> 109 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 110 SX164 AlphaPC164-SX
>> 111 Sable AS 2000, AS 2100
>> 112 Shark DS 20L
>> 113 Takara Takara (OEM)
>> 114 Titan AlphaServer ES45 / DS25 / DS15
>> 115 Wildfire AlphaServer GS 40/80/160/320
>> 116
>> 117 If you don't know what to do, choose "generic".
73 118
74 config OR1K_1200 !! 119 config ALPHA_GENERIC
75 bool "OR1200" !! 120 bool "Generic"
>> 121 depends on TTY
>> 122 select HAVE_EISA
76 help 123 help
77 Generic OpenRISC 1200 architecture !! 124 A generic kernel will run on all supported Alpha hardware.
78 125
79 endchoice !! 126 config ALPHA_ALCOR
>> 127 bool "Alcor/Alpha-XLT"
>> 128 select HAVE_EISA
>> 129 help
>> 130 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 131 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 132 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 133 controller (256-bit memory bus) and a PCI interface. It also does
>> 134 all the work required to support an external Bcache and to maintain
>> 135 memory coherence when a PCI device DMAs into (or out of) memory.
80 136
81 config DCACHE_WRITETHROUGH !! 137 config ALPHA_XL
82 bool "Have write through data caches" !! 138 bool "Alpha-XL"
83 default n <<
84 help 139 help
85 Select this if your implementation f !! 140 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. <<
89 141
90 If unsure say N here !! 142 config ALPHA_BOOK1
>> 143 bool "AlphaBook1"
>> 144 help
>> 145 Dec AlphaBook1/Burns Alpha-based laptops.
91 146
92 config OPENRISC_BUILTIN_DTB !! 147 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 148 bool "Avanti"
94 default "" <<
95 149
96 menu "Class II Instructions" !! 150 config ALPHA_CABRIOLET
>> 151 bool "Cabriolet"
>> 152 help
>> 153 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 154 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 155 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 156 Bcache SIMMs. Requires power supply with 3.3V output.
97 157
98 config OPENRISC_HAVE_INST_FF1 !! 158 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 159 bool "DP264"
100 default y <<
101 help 160 help
102 Select this if your implementation h !! 161 Various 21264 systems with the tsunami core logic chipset.
>> 162 API Networks: 264DP, UP2000(+), CS20;
>> 163 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 164
104 config OPENRISC_HAVE_INST_FL1 !! 165 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 166 bool "EB164"
106 default y <<
107 help 167 help
108 Select this if your implementation h !! 168 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 169 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 170 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 171 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 172 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 173 motherboard. Requires power supply with 3.3V output.
109 174
110 config OPENRISC_HAVE_INST_MUL !! 175 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 176 bool "EB64+"
112 default y !! 177
>> 178 config ALPHA_EB66
>> 179 bool "EB66"
113 help 180 help
114 Select this if your implementation h !! 181 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 182 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 183 supply. The EB66 schematic was published as a marketing poster
>> 184 advertising the 21066 as "the first microprocessor in the world with
>> 185 embedded PCI".
115 186
116 config OPENRISC_HAVE_INST_DIV !! 187 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 188 bool "EB66+"
118 default y <<
119 help 189 help
120 Select this if your implementation h !! 190 Later variant of the EB66 board.
121 191
122 config OPENRISC_HAVE_INST_CMOV !! 192 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 193 bool "Eiger"
124 default n <<
125 help 194 help
126 This config enables gcc to generate !! 195 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 196 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 197
130 Select this if your implementation h !! 198 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 199 bool "Jensen"
>> 200 select HAVE_EISA
>> 201 help
>> 202 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 203 of the first-generation Alpha systems. A number of these systems
>> 204 seem to be available on the second- hand market. The Jensen is a
>> 205 floor-standing tower system which originally used a 150MHz 21064 It
>> 206 used programmable logic to interface a 486 EISA I/O bridge to the
>> 207 CPU.
132 208
133 Say N if you are unsure. !! 209 config ALPHA_LX164
>> 210 bool "LX164"
>> 211 help
>> 212 A technical overview of this board is available at
>> 213 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 214
135 config OPENRISC_HAVE_INST_ROR !! 215 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 216 bool "Lynx"
137 default n !! 217 select HAVE_EISA
138 help 218 help
139 This config enables gcc to generate !! 219 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 220
143 Select this if your implementation h !! 221 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 222 bool "Marvel"
>> 223 help
>> 224 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 225
146 Say N if you are unsure. !! 226 config ALPHA_MIATA
>> 227 bool "Miata"
>> 228 select HAVE_EISA
>> 229 help
>> 230 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 231 or 600au).
147 232
148 config OPENRISC_HAVE_INST_RORI !! 233 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 234 bool "Mikasa"
150 default n <<
151 help 235 help
152 This config enables gcc to generate !! 236 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 237
156 Select this if your implementation h !! 238 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 239 bool "Nautilus"
>> 240 help
>> 241 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 242
159 Say N if you are unsure. !! 243 config ALPHA_NONAME_CH
>> 244 bool "Noname"
160 245
161 config OPENRISC_HAVE_INST_SEXT !! 246 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 247 bool "Noritake"
163 default n !! 248 select HAVE_EISA
164 help 249 help
165 This config enables gcc to generate !! 250 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 251 systems.
167 binary size. <<
168 252
169 Select this if your implementation h !! 253 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 254 bool "PC164"
171 255
172 Say N if you are unsure. !! 256 config ALPHA_P2K
>> 257 bool "Platform2000"
173 258
174 endmenu !! 259 config ALPHA_RAWHIDE
>> 260 bool "Rawhide"
>> 261 select HAVE_EISA
>> 262 help
>> 263 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 264 See HOWTO at
>> 265 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
175 266
176 config NR_CPUS !! 267 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 268 bool "Ruffian"
178 range 2 32 !! 269 help
179 depends on SMP !! 270 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 271 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 272
182 config SMP !! 273 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 274 bool "RX164"
>> 275
>> 276 config ALPHA_SX164
>> 277 bool "SX164"
>> 278
>> 279 config ALPHA_SABLE
>> 280 bool "Sable"
>> 281 select HAVE_EISA
184 help 282 help
185 This enables support for systems wit !! 283 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 284
189 If you don't know what to do here, s !! 285 config ALPHA_SHARK
>> 286 bool "Shark"
190 287
191 config FPU !! 288 config ALPHA_TAKARA
192 bool "FPU support" !! 289 bool "Takara"
193 default y !! 290 help
>> 291 Alpha 11164-based OEM single-board computer.
>> 292
>> 293 config ALPHA_TITAN
>> 294 bool "Titan"
194 help 295 help
195 Say N here if you want to disable al !! 296 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
196 in the kernel and reduce binary size <<
197 297
198 If you don't know what to do here, s !! 298 config ALPHA_WILDFIRE
>> 299 bool "Wildfire"
>> 300 help
>> 301 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
199 302
200 source "kernel/Kconfig.hz" !! 303 endchoice
201 304
202 config OPENRISC_NO_SPR_SR_DSX !! 305 # clear all implied options (don't want default values for those):
203 bool "use SPR_SR_DSX software emulatio !! 306 # Most of these machines have ISA slots; not exactly sure which don't,
>> 307 # and this doesn't activate hordes of code, so do it always.
>> 308 config ISA
>> 309 bool
204 default y 310 default y
205 help 311 help
206 SPR_SR_DSX bit is status register bi !! 312 Find out whether you have ISA slots on your motherboard. ISA is the
207 the last exception has happened in d !! 313 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 314 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 315 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 316 newer boards don't support it. If you have ISA, say Y, otherwise N.
208 317
209 OpenRISC architecture makes it optio !! 318 config ISA_DMA_API
210 in hardware and the OR1200 does not !! 319 bool
>> 320 default y
211 321
212 Say N here if you know that your Ope !! 322 config ALPHA_NONAME
213 SPR_SR_DSX bit implemented. Say Y if !! 323 bool
>> 324 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 325 default y
>> 326 help
>> 327 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 328 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 329 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 330 is a baby-AT size, and runs from a standard PC power supply. It has
>> 331 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 332 2 versions, with either PS/2 or large DIN connectors for the
>> 333 keyboard.
>> 334
>> 335 config ALPHA_EV4
>> 336 bool
>> 337 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
>> 338 default y if !ALPHA_LYNX
>> 339
>> 340 config ALPHA_LCA
>> 341 bool
>> 342 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 343 default y
214 344
215 config OPENRISC_HAVE_SHADOW_GPRS !! 345 config ALPHA_APECS
216 bool "Support for shadow gpr files" if !! 346 bool
217 default y if SMP !! 347 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 348 default y
>> 349
>> 350 config ALPHA_EB64P
>> 351 bool
>> 352 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 353 default y
218 help 354 help
219 Say Y here if your OpenRISC processo !! 355 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
220 register files. They will in such ca !! 356 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
221 scratch reg storage on exception ent !! 357 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 358 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 359 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 360 Runs from standard PC power supply.
>> 361
>> 362 config ALPHA_EV5
>> 363 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 364 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
>> 365
>> 366 config ALPHA_EV4
>> 367 bool
>> 368 default y if ALPHA_LYNX && !ALPHA_EV5
>> 369
>> 370 config ALPHA_CIA
>> 371 bool
>> 372 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
>> 373 default y
>> 374
>> 375 config ALPHA_EV56
>> 376 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 377 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 378
>> 379 config ALPHA_EV56
>> 380 prompt "EV56 CPU (speed >= 333MHz)?"
>> 381 depends on ALPHA_NORITAKE || ALPHA_PRIMO
222 382
223 On SMP systems, this feature is mand !! 383 config ALPHA_EV56
224 On a unicore system it's safe to say !! 384 prompt "EV56 CPU (speed >= 400MHz)?"
>> 385 depends on ALPHA_RAWHIDE
225 386
226 config CMDLINE !! 387 config ALPHA_PRIMO
227 string "Default kernel command string" !! 388 bool "EV5 CPU daughtercard (model 5/xxx)?"
228 default "" !! 389 depends on ALPHA_NORITAKE || ALPHA_MIKASA
229 help 390 help
230 On some architectures there is curre !! 391 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. <<
234 392
235 menu "Debugging options" !! 393 config ALPHA_GAMMA
>> 394 bool "EV5 CPU(s) (model 5/xxx)?"
>> 395 depends on ALPHA_SABLE
>> 396 help
>> 397 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 398
>> 399 config ALPHA_GAMMA
>> 400 bool
>> 401 depends on ALPHA_LYNX
>> 402 default y
236 403
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 404 config ALPHA_T2
238 bool "Try to die gracefully" !! 405 bool
>> 406 depends on ALPHA_SABLE || ALPHA_LYNX
>> 407 default y
>> 408
>> 409 config ALPHA_PYXIS
>> 410 bool
>> 411 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 412 default y
>> 413
>> 414 config ALPHA_EV6
>> 415 bool
>> 416 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 417 default y
>> 418
>> 419 config ALPHA_TSUNAMI
>> 420 bool
>> 421 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 422 default y
>> 423
>> 424 config ALPHA_EV67
>> 425 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 426 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 427 help
>> 428 Is this a machine based on the EV67 core? If in doubt, select N here
>> 429 and the machine will be treated as an EV6.
>> 430
>> 431 config ALPHA_MCPCIA
>> 432 bool
>> 433 depends on ALPHA_RAWHIDE
>> 434 default y
>> 435
>> 436 config ALPHA_POLARIS
>> 437 bool
>> 438 depends on ALPHA_RX164
>> 439 default y
>> 440
>> 441 config ALPHA_IRONGATE
>> 442 bool
>> 443 depends on ALPHA_NAUTILUS
>> 444 default y
>> 445
>> 446 config GENERIC_HWEIGHT
>> 447 bool
>> 448 default y if !ALPHA_EV67
>> 449
>> 450 config ALPHA_AVANTI
>> 451 bool
>> 452 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 453 default y
>> 454 help
>> 455 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 456 Alphas. Info at
>> 457 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 458
>> 459 config ALPHA_BROKEN_IRQ_MASK
>> 460 bool
>> 461 depends on ALPHA_GENERIC || ALPHA_PC164
>> 462 default y
>> 463
>> 464 config VGA_HOSE
>> 465 bool
>> 466 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
239 default y 467 default y
240 help 468 help
241 Now this puts kernel into infinite l !! 469 Support VGA on an arbitrary hose; needed for several platforms
242 your kernel crashes this doesn't hav !! 470 which always have multiple hoses, and whose consoles support it.
243 471
244 Say Y if you are unsure. <<
245 472
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 473 config ALPHA_QEMU
247 bool "Check for possible ESR exception !! 474 bool "Run under QEMU emulation"
248 default n !! 475 depends on !ALPHA_GENERIC
249 help 476 help
250 This option enables some checks that !! 477 Assume the presence of special features supported by QEMU PALcode
251 in kernel. !! 478 that reduce the overhead of system emulation.
252 479
253 Say N if you are unsure. !! 480 Generic kernels will auto-detect QEMU. But when building a
>> 481 system-specific kernel, the assumption is that we want to
>> 482 eliminate as many runtime tests as possible.
254 483
255 endmenu !! 484 If unsure, say N.
>> 485
>> 486
>> 487 config ALPHA_SRM
>> 488 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
>> 489 depends on TTY
>> 490 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
>> 491 help
>> 492 There are two different types of booting firmware on Alphas: SRM,
>> 493 which is command line driven, and ARC, which uses menus and arrow
>> 494 keys. Details about the Linux/Alpha booting process are contained in
>> 495 the Linux/Alpha FAQ, accessible on the WWW from
>> 496 <http://www.alphalinux.org/>.
>> 497
>> 498 The usual way to load Linux on an Alpha machine is to use MILO
>> 499 (a bootloader that lets you pass command line parameters to the
>> 500 kernel just like lilo does for the x86 architecture) which can be
>> 501 loaded either from ARC or can be installed directly as a permanent
>> 502 firmware replacement from floppy (which requires changing a certain
>> 503 jumper on the motherboard). If you want to do either of these, say N
>> 504 here. If MILO doesn't work on your system (true for Jensen
>> 505 motherboards), you can bypass it altogether and boot Linux directly
>> 506 from an SRM console; say Y here in order to do that. Note that you
>> 507 won't be able to boot from an IDE disk using SRM.
>> 508
>> 509 If unsure, say N.
>> 510
>> 511 config ARCH_MAY_HAVE_PC_FDC
>> 512 def_bool y
>> 513
>> 514 config SMP
>> 515 bool "Symmetric multi-processing support"
>> 516 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 517 help
>> 518 This enables support for systems with more than one CPU. If you have
>> 519 a system with only one CPU, say N. If you have a system with more
>> 520 than one CPU, say Y.
>> 521
>> 522 If you say N here, the kernel will run on uni- and multiprocessor
>> 523 machines, but will use only one CPU of a multiprocessor machine. If
>> 524 you say Y here, the kernel will run on many, but not all,
>> 525 uniprocessor machines. On a uniprocessor machine, the kernel
>> 526 will run faster if you say N here.
>> 527
>> 528 See also the SMP-HOWTO available at
>> 529 <https://www.tldp.org/docs.html#howto>.
>> 530
>> 531 If you don't know what to do here, say N.
>> 532
>> 533 config NR_CPUS
>> 534 int "Maximum number of CPUs (2-32)"
>> 535 range 2 32
>> 536 depends on SMP
>> 537 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 538 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 539 help
>> 540 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 541 with working support have a maximum of 4 CPUs.
>> 542
>> 543 config ARCH_SPARSEMEM_ENABLE
>> 544 bool "Sparse Memory Support"
>> 545 help
>> 546 Say Y to support efficient handling of discontiguous physical memory,
>> 547 for systems that have huge holes in the physical address space.
>> 548
>> 549 config ALPHA_WTINT
>> 550 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 551 default y if ALPHA_QEMU
>> 552 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 553 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 554 default y if SMP
>> 555 help
>> 556 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 557 to sleep until the next interrupt. This may reduce the power
>> 558 consumed, and the heat produced by the computer. However, it has
>> 559 the side effect of making the cycle counter unreliable as a timing
>> 560 device across the sleep.
>> 561
>> 562 For emulation under QEMU, definitely say Y here, as we have other
>> 563 mechanisms for measuring time than the cycle counter.
>> 564
>> 565 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 566 MILO, sleep mode is not supported so you might as well say N here.
>> 567
>> 568 For SMP systems we cannot use the cycle counter for timing anyway,
>> 569 so you might as well say Y here.
>> 570
>> 571 If unsure, say N.
>> 572
>> 573 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 574 config ALPHA_LARGE_VMALLOC
>> 575 bool
>> 576 help
>> 577 Process creation and other aspects of virtual memory management can
>> 578 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 579 allocations. This equates to about 8GB.
>> 580
>> 581 Under normal circumstances, this is so far and above what is needed
>> 582 as to be laughable. However, there are certain applications (such
>> 583 as benchmark-grade in-kernel web serving) that can make use of as
>> 584 much vmalloc space as is available.
>> 585
>> 586 Say N unless you know you need gobs and gobs of vmalloc space.
>> 587
>> 588 config VERBOSE_MCHECK
>> 589 bool "Verbose Machine Checks"
>> 590
>> 591 config VERBOSE_MCHECK_ON
>> 592 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 593 depends on VERBOSE_MCHECK
>> 594 default 1
>> 595 help
>> 596 This option allows the default printing mode to be set, and then
>> 597 possibly overridden by a boot command argument.
>> 598
>> 599 For example, if one wanted the option of printing verbose
>> 600 machine checks, but wanted the default to be as if verbose
>> 601 machine check printing was turned off, then one would choose
>> 602 the printing mode to be 0. Then, upon reboot, one could add
>> 603 the boot command line "verbose_mcheck=1" to get the normal
>> 604 verbose machine check printing, or "verbose_mcheck=2" to get
>> 605 the maximum information available.
>> 606
>> 607 Take the default (1) unless you want more control or more info.
>> 608
>> 609 choice
>> 610 prompt "Timer interrupt frequency (HZ)?"
>> 611 default HZ_128 if ALPHA_QEMU
>> 612 default HZ_1200 if ALPHA_RAWHIDE
>> 613 default HZ_1024
>> 614 help
>> 615 The frequency at which timer interrupts occur. A high frequency
>> 616 minimizes latency, whereas a low frequency minimizes overhead of
>> 617 process accounting. The later effect is especially significant
>> 618 when being run under QEMU.
>> 619
>> 620 Note that some Alpha hardware cannot change the interrupt frequency
>> 621 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 622
>> 623 config HZ_32
>> 624 bool "32 Hz"
>> 625 config HZ_64
>> 626 bool "64 Hz"
>> 627 config HZ_128
>> 628 bool "128 Hz"
>> 629 config HZ_256
>> 630 bool "256 Hz"
>> 631 config HZ_1024
>> 632 bool "1024 Hz"
>> 633 config HZ_1200
>> 634 bool "1200 Hz"
>> 635 endchoice
>> 636
>> 637 config HZ
>> 638 int
>> 639 default 32 if HZ_32
>> 640 default 64 if HZ_64
>> 641 default 128 if HZ_128
>> 642 default 256 if HZ_256
>> 643 default 1200 if HZ_1200
>> 644 default 1024
>> 645
>> 646 config SRM_ENV
>> 647 tristate "SRM environment through procfs"
>> 648 depends on PROC_FS
>> 649 help
>> 650 If you enable this option, a subdirectory inside /proc called
>> 651 /proc/srm_environment will give you access to the all important
>> 652 SRM environment variables (those which have a name) and also
>> 653 to all others (by their internal number).
>> 654
>> 655 SRM is something like a BIOS for Alpha machines. There are some
>> 656 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 657 support (hey, that's not SRM!).
>> 658
>> 659 Despite the fact that this driver doesn't work on all Alphas (but
>> 660 only on those which have SRM as their firmware), it's save to
>> 661 build it even if your particular machine doesn't know about SRM
>> 662 (or if you intend to compile a generic kernel). It will simply
>> 663 not create those subdirectory in /proc (and give you some warning,
>> 664 of course).
>> 665
>> 666 This driver is also available as a module and will be called
>> 667 srm_env then.
256 668
257 endmenu 669 endmenu
>> 670
>> 671 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 672 # but we also need it if VGA_HOSE is set
>> 673 config DUMMY_CONSOLE
>> 674 bool
>> 675 depends on VGA_HOSE
>> 676 default y
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