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