1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config NIOS2 !! 2 config ALPHA
3 def_bool y !! 3 bool
4 select ARCH_32BIT_OFF_T !! 4 default y
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 select ARCH_HAS_DMA_PREP_COHERENT !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 7 select ARCH_NO_PREEMPT
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8 select ARCH_USE_CMPXCHG_LOCKREF
9 select ARCH_HAS_DMA_SET_UNCACHED !! 9 select HAVE_AOUT
10 select ARCH_NO_SWAP !! 10 select HAVE_IDE
11 select COMMON_CLK !! 11 select HAVE_OPROFILE
12 select TIMER_OF !! 12 select HAVE_PCSPKR_PLATFORM
13 select GENERIC_ATOMIC64 !! 13 select HAVE_PERF_EVENTS
14 select GENERIC_CPU_DEVICES !! 14 select NEED_DMA_MAP_STATE
>> 15 select NEED_SG_DMA_LENGTH
>> 16 select VIRT_TO_BUS
15 select GENERIC_IRQ_PROBE 17 select GENERIC_IRQ_PROBE
>> 18 select AUTO_IRQ_AFFINITY if SMP
16 select GENERIC_IRQ_SHOW 19 select GENERIC_IRQ_SHOW
17 select HAVE_ARCH_TRACEHOOK !! 20 select ARCH_WANT_IPC_PARSE_VERSION
18 select HAVE_ARCH_KGDB !! 21 select ARCH_HAVE_NMI_SAFE_CMPXCHG
19 select HAVE_PAGE_SIZE_4KB !! 22 select AUDIT_ARCH
20 select IRQ_DOMAIN !! 23 select GENERIC_CLOCKEVENTS
21 select LOCK_MM_AND_FIND_VMA !! 24 select GENERIC_CPU_VULNERABILITIES
>> 25 select GENERIC_SMP_IDLE_THREAD
>> 26 select GENERIC_STRNCPY_FROM_USER
>> 27 select GENERIC_STRNLEN_USER
>> 28 select HAVE_ARCH_AUDITSYSCALL
>> 29 select HAVE_MOD_ARCH_SPECIFIC
22 select MODULES_USE_ELF_RELA 30 select MODULES_USE_ELF_RELA
23 select OF !! 31 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 32 select OLD_SIGSUSPEND
25 select SOC_BUS !! 33 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 34 help
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 35 The Alpha is a 64-bit general-purpose processor designed and
28 select CPU_NO_EFFICIENT_FFS !! 36 marketed by the Digital Equipment Corporation of blessed memory,
29 select MMU_GATHER_NO_RANGE if MMU !! 37 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 38 <http://www.alphalinux.org/>.
30 39
31 config GENERIC_CSUM !! 40 config 64BIT
32 def_bool y 41 def_bool y
33 42
34 config GENERIC_HWEIGHT !! 43 config MMU
35 def_bool y !! 44 bool
>> 45 default y
>> 46
>> 47 config RWSEM_GENERIC_SPINLOCK
>> 48 bool
>> 49
>> 50 config RWSEM_XCHGADD_ALGORITHM
>> 51 bool
>> 52 default y
>> 53
>> 54 config ARCH_HAS_ILOG2_U32
>> 55 bool
>> 56 default n
>> 57
>> 58 config ARCH_HAS_ILOG2_U64
>> 59 bool
>> 60 default n
36 61
37 config GENERIC_CALIBRATE_DELAY 62 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 63 bool
>> 64 default y
39 65
40 config NO_IOPORT_MAP !! 66 config ZONE_DMA
41 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
>> 77
>> 78 config AUDIT_ARCH
>> 79 bool
42 80
43 config FPU !! 81 menu "System setup"
44 def_bool n <<
45 82
46 menu "Kernel features" !! 83 choice
>> 84 prompt "Alpha system type"
>> 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.
47 90
48 source "kernel/Kconfig.hz" !! 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:
49 94
50 config ARCH_FORCE_MAX_ORDER !! 95 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
51 int "Order of maximal physically conti !! 96 Alpha-XL XL-233, XL-266
52 default "10" !! 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
>> 122
>> 123 If you don't know what to do, choose "generic".
>> 124
>> 125 config ALPHA_GENERIC
>> 126 bool "Generic"
>> 127 depends on TTY
53 help 128 help
54 The kernel page allocator limits the !! 129 A generic kernel will run on all supported Alpha hardware.
55 contiguous allocations. The limit is <<
56 defines the maximal power of two of <<
57 allocated as a single contiguous blo <<
58 overriding the default setting when <<
59 large blocks of physically contiguou <<
60 130
61 Don't change if unsure. !! 131 config ALPHA_ALCOR
>> 132 bool "Alcor/Alpha-XLT"
>> 133 help
>> 134 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 135 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 136 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 137 controller (256-bit memory bus) and a PCI interface. It also does
>> 138 all the work required to support an external Bcache and to maintain
>> 139 memory coherence when a PCI device DMAs into (or out of) memory.
62 140
63 endmenu !! 141 config ALPHA_XL
>> 142 bool "Alpha-XL"
>> 143 help
>> 144 XL-233 and XL-266-based Alpha systems.
64 145
65 source "arch/nios2/platform/Kconfig.platform" !! 146 config ALPHA_BOOK1
>> 147 bool "AlphaBook1"
>> 148 help
>> 149 Dec AlphaBook1/Burns Alpha-based laptops.
66 150
67 menu "Processor type and features" !! 151 config ALPHA_AVANTI_CH
>> 152 bool "Avanti"
68 153
69 config MMU !! 154 config ALPHA_CABRIOLET
70 def_bool y !! 155 bool "Cabriolet"
>> 156 help
>> 157 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 158 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 159 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 160 Bcache SIMMs. Requires power supply with 3.3V output.
71 161
72 config NR_CPUS !! 162 config ALPHA_DP264
73 int !! 163 bool "DP264"
74 default "1" !! 164 help
>> 165 Various 21264 systems with the tsunami core logic chipset.
>> 166 API Networks: 264DP, UP2000(+), CS20;
>> 167 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
75 168
76 config NIOS2_ALIGNMENT_TRAP !! 169 config ALPHA_EB164
77 bool "Catch alignment trap" !! 170 bool "EB164"
78 default y <<
79 help 171 help
80 Nios II CPUs cannot fetch/store data !! 172 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
81 i.e., a 2 or 4 byte fetch must start !! 173 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
82 2 or 4. Any non-aligned load/store i !! 174 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
83 emulated in software if you say Y he !! 175 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
84 impact. !! 176 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 177 motherboard. Requires power supply with 3.3V output.
85 178
86 comment "Boot options" !! 179 config ALPHA_EB64P_CH
>> 180 bool "EB64+"
87 181
88 config CMDLINE_BOOL !! 182 config ALPHA_EB66
89 bool "Default bootloader kernel argume !! 183 bool "EB66"
90 default y !! 184 help
>> 185 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 186 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 187 supply. The EB66 schematic was published as a marketing poster
>> 188 advertising the 21066 as "the first microprocessor in the world with
>> 189 embedded PCI".
91 190
92 config CMDLINE !! 191 config ALPHA_EB66P
93 string "Default kernel command string" !! 192 bool "EB66+"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 193 help
97 On some platforms, there is currentl !! 194 Later variant of the EB66 board.
98 pass arguments to the kernel. For th <<
99 some command-line options at build t <<
100 other cases you can specify kernel a <<
101 to set them up in board prom initial <<
102 195
103 config CMDLINE_FORCE !! 196 config ALPHA_EIGER
104 bool "Force default kernel command str !! 197 bool "Eiger"
105 depends on CMDLINE_BOOL <<
106 help 198 help
107 Set this to have arguments from the !! 199 Apparently an obscure OEM single-board computer based on the
108 override those passed by the boot lo !! 200 Typhoon/Tsunami chipset family. Information on it is scanty.
109 201
110 config NIOS2_CMDLINE_IGNORE_DTB !! 202 config ALPHA_JENSEN
111 bool "Ignore kernel command string fro !! 203 bool "Jensen"
112 depends on CMDLINE_BOOL !! 204 depends on BROKEN
113 depends on !CMDLINE_FORCE !! 205 select DMA_DIRECT_OPS
114 default y <<
115 help 206 help
116 Set this to ignore the bootargs prop !! 207 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
117 chosen node and fall back to CMDLINE !! 208 of the first-generation Alpha systems. A number of these systems
>> 209 seem to be available on the second- hand market. The Jensen is a
>> 210 floor-standing tower system which originally used a 150MHz 21064 It
>> 211 used programmable logic to interface a 486 EISA I/O bridge to the
>> 212 CPU.
118 213
119 config NIOS2_PASS_CMDLINE !! 214 config ALPHA_LX164
120 bool "Passed kernel command line from !! 215 bool "LX164"
121 help 216 help
122 Use bootargs env variable from u-boo !! 217 A technical overview of this board is available at
123 will override "Default kernel comman !! 218 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
124 Say N if you are unsure. <<
125 219
126 config NIOS2_BOOT_LINK_OFFSET !! 220 config ALPHA_LYNX
127 hex "Link address offset for booting" !! 221 bool "Lynx"
128 default "0x00500000" <<
129 help 222 help
130 This option allows you to set the li !! 223 AlphaServer 2100A-based systems.
131 This can be useful if you are on a b <<
132 memory. <<
133 224
134 endmenu !! 225 config ALPHA_MARVEL
>> 226 bool "Marvel"
>> 227 help
>> 228 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 229
>> 230 config ALPHA_MIATA
>> 231 bool "Miata"
>> 232 help
>> 233 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 234 or 600au).
>> 235
>> 236 config ALPHA_MIKASA
>> 237 bool "Mikasa"
>> 238 help
>> 239 AlphaServer 1000-based Alpha systems.
>> 240
>> 241 config ALPHA_NAUTILUS
>> 242 bool "Nautilus"
>> 243 help
>> 244 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 245
>> 246 config ALPHA_NONAME_CH
>> 247 bool "Noname"
>> 248
>> 249 config ALPHA_NORITAKE
>> 250 bool "Noritake"
>> 251 help
>> 252 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 253 systems.
>> 254
>> 255 config ALPHA_PC164
>> 256 bool "PC164"
>> 257
>> 258 config ALPHA_P2K
>> 259 bool "Platform2000"
>> 260
>> 261 config ALPHA_RAWHIDE
>> 262 bool "Rawhide"
>> 263 help
>> 264 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 265 See HOWTO at
>> 266 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
135 267
136 menu "Advanced setup" !! 268 config ALPHA_RUFFIAN
>> 269 bool "Ruffian"
>> 270 help
>> 271 Samsung APC164UX. There is a page on known problems and workarounds
>> 272 at <http://www.alphalinux.org/faq/FAQ-11.html>.
137 273
138 config ADVANCED_OPTIONS !! 274 config ALPHA_RX164
139 bool "Prompt for advanced kernel confi !! 275 bool "RX164"
140 276
141 comment "Default settings for advanced configu !! 277 config ALPHA_SX164
142 depends on !ADVANCED_OPTIONS !! 278 bool "SX164"
143 279
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 280 config ALPHA_SABLE
145 bool "Set custom kernel MMU region bas !! 281 bool "Sable"
146 depends on ADVANCED_OPTIONS <<
147 help 282 help
148 This option allows you to set the vi !! 283 Digital AlphaServer 2000 and 2100-based systems.
149 284
150 Say N here unless you know what you !! 285 config ALPHA_SHARK
>> 286 bool "Shark"
151 287
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 288 config ALPHA_TAKARA
153 hex "Virtual base address of the kerne !! 289 bool "Takara"
154 default "0x80000000" <<
155 help 290 help
156 This option allows you to set the vi !! 291 Alpha 11164-based OEM single-board computer.
157 292
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 293 config ALPHA_TITAN
159 bool "Set custom kernel region base ad !! 294 bool "Titan"
160 depends on ADVANCED_OPTIONS <<
161 help 295 help
162 This option allows you to set the vi !! 296 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
163 297
164 Say N here unless you know what you !! 298 config ALPHA_WILDFIRE
>> 299 bool "Wildfire"
>> 300 help
>> 301 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
165 302
166 config NIOS2_KERNEL_REGION_BASE !! 303 endchoice
167 hex "Virtual base address of the kerne <<
168 default "0xc0000000" <<
169 304
170 config NIOS2_IO_REGION_BASE_BOOL !! 305 # clear all implied options (don't want default values for those):
171 bool "Set custom I/O region base addre !! 306 # Most of these machines have ISA slots; not exactly sure which don't,
172 depends on ADVANCED_OPTIONS !! 307 # and this doesn't activate hordes of code, so do it always.
>> 308 config ISA
>> 309 bool
>> 310 default y
173 help 311 help
174 This option allows you to set the vi !! 312 Find out whether you have ISA slots on your motherboard. ISA is the
>> 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.
175 317
176 Say N here unless you know what you !! 318 config ISA_DMA_API
>> 319 bool
>> 320 default y
177 321
178 config NIOS2_IO_REGION_BASE !! 322 config PCI
179 hex "Virtual base address of the I/O r !! 323 bool
180 default "0xe0000000" !! 324 depends on !ALPHA_JENSEN
>> 325 select GENERIC_PCI_IOMAP
>> 326 default y
>> 327 help
>> 328 Find out whether you have a PCI motherboard. PCI is the name of a
>> 329 bus system, i.e. the way the CPU talks to the other stuff inside
>> 330 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 331 VESA. If you have PCI, say Y, otherwise N.
>> 332
>> 333 config PCI_DOMAINS
>> 334 bool
>> 335 default y
>> 336
>> 337 config PCI_SYSCALL
>> 338 def_bool PCI
>> 339
>> 340 config ALPHA_NONAME
>> 341 bool
>> 342 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 343 default y
>> 344 help
>> 345 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 346 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 347 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 348 is a baby-AT size, and runs from a standard PC power supply. It has
>> 349 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 350 2 versions, with either PS/2 or large DIN connectors for the
>> 351 keyboard.
>> 352
>> 353 config ALPHA_EV4
>> 354 bool
>> 355 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
>> 356 default y if !ALPHA_LYNX
>> 357
>> 358 config ALPHA_LCA
>> 359 bool
>> 360 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 361 default y
>> 362
>> 363 config ALPHA_APECS
>> 364 bool
>> 365 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 366 default y
>> 367
>> 368 config ALPHA_EB64P
>> 369 bool
>> 370 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 371 default y
>> 372 help
>> 373 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 374 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 375 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 376 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 377 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 378 Runs from standard PC power supply.
>> 379
>> 380 config ALPHA_EV5
>> 381 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 382 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
>> 383
>> 384 config ALPHA_EV4
>> 385 bool
>> 386 default y if ALPHA_LYNX && !ALPHA_EV5
>> 387
>> 388 config ALPHA_CIA
>> 389 bool
>> 390 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
>> 391 default y
>> 392
>> 393 config ALPHA_EV56
>> 394 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 395 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 396
>> 397 config ALPHA_EV56
>> 398 prompt "EV56 CPU (speed >= 333MHz)?"
>> 399 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 400
>> 401 config ALPHA_EV56
>> 402 prompt "EV56 CPU (speed >= 400MHz)?"
>> 403 depends on ALPHA_RAWHIDE
>> 404
>> 405 config ALPHA_PRIMO
>> 406 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 407 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 408 help
>> 409 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 410
>> 411 config ALPHA_GAMMA
>> 412 bool "EV5 CPU(s) (model 5/xxx)?"
>> 413 depends on ALPHA_SABLE
>> 414 help
>> 415 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 416
>> 417 config ALPHA_GAMMA
>> 418 bool
>> 419 depends on ALPHA_LYNX
>> 420 default y
>> 421
>> 422 config ALPHA_T2
>> 423 bool
>> 424 depends on ALPHA_SABLE || ALPHA_LYNX
>> 425 default y
>> 426
>> 427 config ALPHA_PYXIS
>> 428 bool
>> 429 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 430 default y
>> 431
>> 432 config ALPHA_EV6
>> 433 bool
>> 434 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 435 default y
>> 436
>> 437 config ALPHA_TSUNAMI
>> 438 bool
>> 439 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 440 default y
>> 441
>> 442 config ALPHA_EV67
>> 443 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 444 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 445 help
>> 446 Is this a machine based on the EV67 core? If in doubt, select N here
>> 447 and the machine will be treated as an EV6.
>> 448
>> 449 config ALPHA_MCPCIA
>> 450 bool
>> 451 depends on ALPHA_RAWHIDE
>> 452 default y
>> 453
>> 454 config ALPHA_POLARIS
>> 455 bool
>> 456 depends on ALPHA_RX164
>> 457 default y
>> 458
>> 459 config ALPHA_IRONGATE
>> 460 bool
>> 461 depends on ALPHA_NAUTILUS
>> 462 default y
>> 463
>> 464 config GENERIC_HWEIGHT
>> 465 bool
>> 466 default y if !ALPHA_EV67
>> 467
>> 468 config ALPHA_AVANTI
>> 469 bool
>> 470 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 471 default y
>> 472 help
>> 473 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 474 Alphas. Info at
>> 475 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 476
>> 477 config ALPHA_BROKEN_IRQ_MASK
>> 478 bool
>> 479 depends on ALPHA_GENERIC || ALPHA_PC164
>> 480 default y
>> 481
>> 482 config VGA_HOSE
>> 483 bool
>> 484 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 485 default y
>> 486 help
>> 487 Support VGA on an arbitrary hose; needed for several platforms
>> 488 which always have multiple hoses, and whose consoles support it.
>> 489
>> 490
>> 491 config ALPHA_QEMU
>> 492 bool "Run under QEMU emulation"
>> 493 depends on !ALPHA_GENERIC
>> 494 ---help---
>> 495 Assume the presence of special features supported by QEMU PALcode
>> 496 that reduce the overhead of system emulation.
>> 497
>> 498 Generic kernels will auto-detect QEMU. But when building a
>> 499 system-specific kernel, the assumption is that we want to
>> 500 eliminate as many runtime tests as possible.
>> 501
>> 502 If unsure, say N.
>> 503
>> 504
>> 505 config ALPHA_SRM
>> 506 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
>> 507 depends on TTY
>> 508 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
>> 509 ---help---
>> 510 There are two different types of booting firmware on Alphas: SRM,
>> 511 which is command line driven, and ARC, which uses menus and arrow
>> 512 keys. Details about the Linux/Alpha booting process are contained in
>> 513 the Linux/Alpha FAQ, accessible on the WWW from
>> 514 <http://www.alphalinux.org/>.
>> 515
>> 516 The usual way to load Linux on an Alpha machine is to use MILO
>> 517 (a bootloader that lets you pass command line parameters to the
>> 518 kernel just like lilo does for the x86 architecture) which can be
>> 519 loaded either from ARC or can be installed directly as a permanent
>> 520 firmware replacement from floppy (which requires changing a certain
>> 521 jumper on the motherboard). If you want to do either of these, say N
>> 522 here. If MILO doesn't work on your system (true for Jensen
>> 523 motherboards), you can bypass it altogether and boot Linux directly
>> 524 from an SRM console; say Y here in order to do that. Note that you
>> 525 won't be able to boot from an IDE disk using SRM.
>> 526
>> 527 If unsure, say N.
>> 528
>> 529 config EISA
>> 530 bool
>> 531 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 532 default y
>> 533
>> 534 config ARCH_MAY_HAVE_PC_FDC
>> 535 def_bool y
>> 536
>> 537 config SMP
>> 538 bool "Symmetric multi-processing support"
>> 539 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 540 ---help---
>> 541 This enables support for systems with more than one CPU. If you have
>> 542 a system with only one CPU, say N. If you have a system with more
>> 543 than one CPU, say Y.
>> 544
>> 545 If you say N here, the kernel will run on uni- and multiprocessor
>> 546 machines, but will use only one CPU of a multiprocessor machine. If
>> 547 you say Y here, the kernel will run on many, but not all,
>> 548 uniprocessor machines. On a uniprocessor machine, the kernel
>> 549 will run faster if you say N here.
>> 550
>> 551 See also the SMP-HOWTO available at
>> 552 <http://www.tldp.org/docs.html#howto>.
>> 553
>> 554 If you don't know what to do here, say N.
>> 555
>> 556 config NR_CPUS
>> 557 int "Maximum number of CPUs (2-32)"
>> 558 range 2 32
>> 559 depends on SMP
>> 560 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 561 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 562 help
>> 563 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 564 with working support have a maximum of 4 CPUs.
>> 565
>> 566 config ARCH_DISCONTIGMEM_ENABLE
>> 567 bool "Discontiguous Memory Support"
>> 568 help
>> 569 Say Y to support efficient handling of discontiguous physical memory,
>> 570 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 571 or have huge holes in the physical address space for other reasons.
>> 572 See <file:Documentation/vm/numa.rst> for more.
>> 573
>> 574 config NUMA
>> 575 bool "NUMA Support (EXPERIMENTAL)"
>> 576 depends on DISCONTIGMEM && BROKEN
>> 577 help
>> 578 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 579 Access). This option is for configuring high-end multiprocessor
>> 580 server machines. If in doubt, say N.
>> 581
>> 582 config ALPHA_WTINT
>> 583 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 584 default y if ALPHA_QEMU
>> 585 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 586 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 587 default y if SMP
>> 588 ---help---
>> 589 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 590 to sleep until the next interrupt. This may reduce the power
>> 591 consumed, and the heat produced by the computer. However, it has
>> 592 the side effect of making the cycle counter unreliable as a timing
>> 593 device across the sleep.
>> 594
>> 595 For emulation under QEMU, definitely say Y here, as we have other
>> 596 mechanisms for measuring time than the cycle counter.
>> 597
>> 598 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 599 MILO, sleep mode is not supported so you might as well say N here.
>> 600
>> 601 For SMP systems we cannot use the cycle counter for timing anyway,
>> 602 so you might as well say Y here.
>> 603
>> 604 If unsure, say N.
>> 605
>> 606 config NODES_SHIFT
>> 607 int
>> 608 default "7"
>> 609 depends on NEED_MULTIPLE_NODES
>> 610
>> 611 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 612 config ALPHA_LARGE_VMALLOC
>> 613 bool
>> 614 ---help---
>> 615 Process creation and other aspects of virtual memory management can
>> 616 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 617 allocations. This equates to about 8GB.
>> 618
>> 619 Under normal circumstances, this is so far and above what is needed
>> 620 as to be laughable. However, there are certain applications (such
>> 621 as benchmark-grade in-kernel web serving) that can make use of as
>> 622 much vmalloc space as is available.
>> 623
>> 624 Say N unless you know you need gobs and gobs of vmalloc space.
>> 625
>> 626 config VERBOSE_MCHECK
>> 627 bool "Verbose Machine Checks"
>> 628
>> 629 config VERBOSE_MCHECK_ON
>> 630 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 631 depends on VERBOSE_MCHECK
>> 632 default 1
>> 633 ---help---
>> 634 This option allows the default printing mode to be set, and then
>> 635 possibly overridden by a boot command argument.
>> 636
>> 637 For example, if one wanted the option of printing verbose
>> 638 machine checks, but wanted the default to be as if verbose
>> 639 machine check printing was turned off, then one would choose
>> 640 the printing mode to be 0. Then, upon reboot, one could add
>> 641 the boot command line "verbose_mcheck=1" to get the normal
>> 642 verbose machine check printing, or "verbose_mcheck=2" to get
>> 643 the maximum information available.
>> 644
>> 645 Take the default (1) unless you want more control or more info.
>> 646
>> 647 choice
>> 648 prompt "Timer interrupt frequency (HZ)?"
>> 649 default HZ_128 if ALPHA_QEMU
>> 650 default HZ_1200 if ALPHA_RAWHIDE
>> 651 default HZ_1024
>> 652 ---help---
>> 653 The frequency at which timer interrupts occur. A high frequency
>> 654 minimizes latency, whereas a low frequency minimizes overhead of
>> 655 process accounting. The later effect is especially significant
>> 656 when being run under QEMU.
>> 657
>> 658 Note that some Alpha hardware cannot change the interrupt frequency
>> 659 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 660
>> 661 config HZ_32
>> 662 bool "32 Hz"
>> 663 config HZ_64
>> 664 bool "64 Hz"
>> 665 config HZ_128
>> 666 bool "128 Hz"
>> 667 config HZ_256
>> 668 bool "256 Hz"
>> 669 config HZ_1024
>> 670 bool "1024 Hz"
>> 671 config HZ_1200
>> 672 bool "1200 Hz"
>> 673 endchoice
>> 674
>> 675 config HZ
>> 676 int
>> 677 default 32 if HZ_32
>> 678 default 64 if HZ_64
>> 679 default 128 if HZ_128
>> 680 default 256 if HZ_256
>> 681 default 1200 if HZ_1200
>> 682 default 1024
>> 683
>> 684 source "drivers/pci/Kconfig"
>> 685 source "drivers/eisa/Kconfig"
>> 686
>> 687 source "drivers/pcmcia/Kconfig"
>> 688
>> 689 config SRM_ENV
>> 690 tristate "SRM environment through procfs"
>> 691 depends on PROC_FS
>> 692 ---help---
>> 693 If you enable this option, a subdirectory inside /proc called
>> 694 /proc/srm_environment will give you access to the all important
>> 695 SRM environment variables (those which have a name) and also
>> 696 to all others (by their internal number).
>> 697
>> 698 SRM is something like a BIOS for Alpha machines. There are some
>> 699 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 700 support (hey, that's not SRM!).
>> 701
>> 702 Despite the fact that this driver doesn't work on all Alphas (but
>> 703 only on those which have SRM as their firmware), it's save to
>> 704 build it even if your particular machine doesn't know about SRM
>> 705 (or if you intend to compile a generic kernel). It will simply
>> 706 not create those subdirectory in /proc (and give you some warning,
>> 707 of course).
>> 708
>> 709 This driver is also available as a module and will be called
>> 710 srm_env then.
181 711
182 endmenu 712 endmenu
>> 713
>> 714 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 715 # but we also need it if VGA_HOSE is set
>> 716 config DUMMY_CONSOLE
>> 717 bool
>> 718 depends on VGA_HOSE
>> 719 default y
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