1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 config NIOS2 !! 2 # For a description of the syntax of this configuration file,
3 def_bool y !! 3 # see Documentation/kbuild/kconfig-language.txt.
4 select ARCH_32BIT_OFF_T !! 4 #
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 config ALPHA
6 select ARCH_HAS_DMA_PREP_COHERENT !! 6 bool
7 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 7 default y
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8 select HAVE_AOUT
9 select ARCH_HAS_DMA_SET_UNCACHED !! 9 select HAVE_IDE
10 select ARCH_NO_SWAP !! 10 select HAVE_OPROFILE
11 select COMMON_CLK !! 11 select HAVE_SYSCALL_WRAPPERS
12 select TIMER_OF !! 12 help
13 select GENERIC_ATOMIC64 !! 13 The Alpha is a 64-bit general-purpose processor designed and
14 select GENERIC_CPU_DEVICES !! 14 marketed by the Digital Equipment Corporation of blessed memory,
15 select GENERIC_IRQ_PROBE !! 15 now Hewlett-Packard. The Alpha Linux project has a home page at
16 select GENERIC_IRQ_SHOW !! 16 <http://www.alphalinux.org/>.
17 select HAVE_ARCH_TRACEHOOK <<
18 select HAVE_ARCH_KGDB <<
19 select HAVE_PAGE_SIZE_4KB <<
20 select IRQ_DOMAIN <<
21 select LOCK_MM_AND_FIND_VMA <<
22 select MODULES_USE_ELF_RELA <<
23 select OF <<
24 select OF_EARLY_FLATTREE <<
25 select SOC_BUS <<
26 select SPARSE_IRQ <<
27 select USB_ARCH_HAS_HCD if USB_SUPPORT <<
28 select CPU_NO_EFFICIENT_FFS <<
29 select MMU_GATHER_NO_RANGE if MMU <<
30 17
31 config GENERIC_CSUM !! 18 config 64BIT
32 def_bool y 19 def_bool y
33 20
34 config GENERIC_HWEIGHT !! 21 config MMU
35 def_bool y !! 22 bool
>> 23 default y
>> 24
>> 25 config RWSEM_GENERIC_SPINLOCK
>> 26 bool
>> 27
>> 28 config RWSEM_XCHGADD_ALGORITHM
>> 29 bool
>> 30 default y
>> 31
>> 32 config ARCH_HAS_ILOG2_U32
>> 33 bool
>> 34 default n
>> 35
>> 36 config ARCH_HAS_ILOG2_U64
>> 37 bool
>> 38 default n
>> 39
>> 40 config GENERIC_FIND_NEXT_BIT
>> 41 bool
>> 42 default y
36 43
37 config GENERIC_CALIBRATE_DELAY 44 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 45 bool
>> 46 default y
39 47
40 config NO_IOPORT_MAP !! 48 config GENERIC_TIME
41 def_bool y !! 49 bool
>> 50 default y
42 51
43 config FPU !! 52 config ARCH_USES_GETTIMEOFFSET
44 def_bool n !! 53 bool
>> 54 default y
45 55
46 menu "Kernel features" !! 56 config ZONE_DMA
>> 57 bool
>> 58 default y
47 59
48 source "kernel/Kconfig.hz" !! 60 config GENERIC_ISA_DMA
>> 61 bool
>> 62 default y
49 63
50 config ARCH_FORCE_MAX_ORDER !! 64 config GENERIC_IOMAP
51 int "Order of maximal physically conti !! 65 bool
52 default "10" !! 66 default n
>> 67
>> 68 config GENERIC_HARDIRQS
>> 69 bool
>> 70 default y
>> 71
>> 72 config GENERIC_IRQ_PROBE
>> 73 bool
>> 74 default y
>> 75
>> 76 config AUTO_IRQ_AFFINITY
>> 77 bool
>> 78 depends on SMP
>> 79 default y
>> 80
>> 81 source "init/Kconfig"
>> 82 source "kernel/Kconfig.freezer"
>> 83
>> 84
>> 85 menu "System setup"
>> 86
>> 87 choice
>> 88 prompt "Alpha system type"
>> 89 default ALPHA_GENERIC
>> 90 ---help---
>> 91 This is the system type of your hardware. A "generic" kernel will
>> 92 run on any supported Alpha system. However, if you configure a
>> 93 kernel for your specific system, it will be faster and smaller.
>> 94
>> 95 To find out what type of Alpha system you have, you may want to
>> 96 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 97 <http://www.alphalinux.org/>. In summary:
>> 98
>> 99 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 100 Alpha-XL XL-233, XL-266
>> 101 AlphaBook1 Alpha laptop
>> 102 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 103 Cabriolet AlphaPC64, AlphaPCI64
>> 104 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 105 EB164 EB164 21164 evaluation board
>> 106 EB64+ EB64+ 21064 evaluation board
>> 107 EB66 EB66 21066 evaluation board
>> 108 EB66+ EB66+ 21066 evaluation board
>> 109 Jensen DECpc 150, DEC 2000 models 300, 500
>> 110 LX164 AlphaPC164-LX
>> 111 Lynx AS 2100A
>> 112 Miata Personal Workstation 433/500/600 a/au
>> 113 Marvel AlphaServer ES47 / ES80 / GS1280
>> 114 Mikasa AS 1000
>> 115 Noname AXPpci33, UDB (Multia)
>> 116 Noritake AS 1000A, AS 600A, AS 800
>> 117 PC164 AlphaPC164
>> 118 Rawhide AS 1200, AS 4000, AS 4100
>> 119 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 120 SX164 AlphaPC164-SX
>> 121 Sable AS 2000, AS 2100
>> 122 Shark DS 20L
>> 123 Takara Takara (OEM)
>> 124 Titan AlphaServer ES45 / DS25 / DS15
>> 125 Wildfire AlphaServer GS 40/80/160/320
>> 126
>> 127 If you don't know what to do, choose "generic".
>> 128
>> 129 config ALPHA_GENERIC
>> 130 bool "Generic"
53 help 131 help
54 The kernel page allocator limits the !! 132 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 <<
60 133
61 Don't change if unsure. !! 134 config ALPHA_ALCOR
>> 135 bool "Alcor/Alpha-XLT"
>> 136 help
>> 137 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 138 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 139 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 140 controller (256-bit memory bus) and a PCI interface. It also does
>> 141 all the work required to support an external Bcache and to maintain
>> 142 memory coherence when a PCI device DMAs into (or out of) memory.
62 143
63 endmenu !! 144 config ALPHA_XL
>> 145 bool "Alpha-XL"
>> 146 help
>> 147 XL-233 and XL-266-based Alpha systems.
64 148
65 source "arch/nios2/platform/Kconfig.platform" !! 149 config ALPHA_BOOK1
>> 150 bool "AlphaBook1"
>> 151 help
>> 152 Dec AlphaBook1/Burns Alpha-based laptops.
66 153
67 menu "Processor type and features" !! 154 config ALPHA_AVANTI_CH
>> 155 bool "Avanti"
68 156
69 config MMU !! 157 config ALPHA_CABRIOLET
70 def_bool y !! 158 bool "Cabriolet"
>> 159 help
>> 160 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 161 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 162 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 163 Bcache SIMMs. Requires power supply with 3.3V output.
71 164
72 config NR_CPUS !! 165 config ALPHA_DP264
73 int !! 166 bool "DP264"
74 default "1" !! 167 help
>> 168 Various 21264 systems with the tsunami core logic chipset.
>> 169 API Networks: 264DP, UP2000(+), CS20;
>> 170 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
75 171
76 config NIOS2_ALIGNMENT_TRAP !! 172 config ALPHA_EB164
77 bool "Catch alignment trap" !! 173 bool "EB164"
78 default y <<
79 help 174 help
80 Nios II CPUs cannot fetch/store data !! 175 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
81 i.e., a 2 or 4 byte fetch must start !! 176 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
82 2 or 4. Any non-aligned load/store i !! 177 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
83 emulated in software if you say Y he !! 178 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
84 impact. !! 179 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 180 motherboard. Requires power supply with 3.3V output.
85 181
86 comment "Boot options" !! 182 config ALPHA_EB64P_CH
>> 183 bool "EB64+"
87 184
88 config CMDLINE_BOOL !! 185 config ALPHA_EB66
89 bool "Default bootloader kernel argume !! 186 bool "EB66"
90 default y !! 187 help
>> 188 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 189 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 190 supply. The EB66 schematic was published as a marketing poster
>> 191 advertising the 21066 as "the first microprocessor in the world with
>> 192 embedded PCI".
91 193
92 config CMDLINE !! 194 config ALPHA_EB66P
93 string "Default kernel command string" !! 195 bool "EB66+"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 196 help
97 On some platforms, there is currentl !! 197 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 <<
102 198
103 config CMDLINE_FORCE !! 199 config ALPHA_EIGER
104 bool "Force default kernel command str !! 200 bool "Eiger"
105 depends on CMDLINE_BOOL <<
106 help 201 help
107 Set this to have arguments from the !! 202 Apparently an obscure OEM single-board computer based on the
108 override those passed by the boot lo !! 203 Typhoon/Tsunami chipset family. Information on it is scanty.
109 204
110 config NIOS2_CMDLINE_IGNORE_DTB !! 205 config ALPHA_JENSEN
111 bool "Ignore kernel command string fro !! 206 bool "Jensen"
112 depends on CMDLINE_BOOL <<
113 depends on !CMDLINE_FORCE <<
114 default y <<
115 help 207 help
116 Set this to ignore the bootargs prop !! 208 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
117 chosen node and fall back to CMDLINE !! 209 of the first-generation Alpha systems. A number of these systems
>> 210 seem to be available on the second- hand market. The Jensen is a
>> 211 floor-standing tower system which originally used a 150MHz 21064 It
>> 212 used programmable logic to interface a 486 EISA I/O bridge to the
>> 213 CPU.
118 214
119 config NIOS2_PASS_CMDLINE !! 215 config ALPHA_LX164
120 bool "Passed kernel command line from !! 216 bool "LX164"
121 help 217 help
122 Use bootargs env variable from u-boo !! 218 A technical overview of this board is available at
123 will override "Default kernel comman !! 219 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
124 Say N if you are unsure. <<
125 220
126 config NIOS2_BOOT_LINK_OFFSET !! 221 config ALPHA_LYNX
127 hex "Link address offset for booting" !! 222 bool "Lynx"
128 default "0x00500000" <<
129 help 223 help
130 This option allows you to set the li !! 224 AlphaServer 2100A-based systems.
131 This can be useful if you are on a b <<
132 memory. <<
133 225
134 endmenu !! 226 config ALPHA_MARVEL
>> 227 bool "Marvel"
>> 228 help
>> 229 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 230
>> 231 config ALPHA_MIATA
>> 232 bool "Miata"
>> 233 help
>> 234 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 235 or 600au).
>> 236
>> 237 config ALPHA_MIKASA
>> 238 bool "Mikasa"
>> 239 help
>> 240 AlphaServer 1000-based Alpha systems.
>> 241
>> 242 config ALPHA_NAUTILUS
>> 243 bool "Nautilus"
>> 244 help
>> 245 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 246
>> 247 config ALPHA_NONAME_CH
>> 248 bool "Noname"
>> 249
>> 250 config ALPHA_NORITAKE
>> 251 bool "Noritake"
>> 252 help
>> 253 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 254 systems.
>> 255
>> 256 config ALPHA_PC164
>> 257 bool "PC164"
>> 258
>> 259 config ALPHA_P2K
>> 260 bool "Platform2000"
>> 261
>> 262 config ALPHA_RAWHIDE
>> 263 bool "Rawhide"
>> 264 help
>> 265 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 266 See HOWTO at
>> 267 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 268
>> 269 config ALPHA_RUFFIAN
>> 270 bool "Ruffian"
>> 271 help
>> 272 Samsung APC164UX. There is a page on known problems and workarounds
>> 273 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 274
>> 275 config ALPHA_RX164
>> 276 bool "RX164"
>> 277
>> 278 config ALPHA_SX164
>> 279 bool "SX164"
>> 280
>> 281 config ALPHA_SABLE
>> 282 bool "Sable"
>> 283 help
>> 284 Digital AlphaServer 2000 and 2100-based systems.
>> 285
>> 286 config ALPHA_SHARK
>> 287 bool "Shark"
>> 288
>> 289 config ALPHA_TAKARA
>> 290 bool "Takara"
>> 291 help
>> 292 Alpha 11164-based OEM single-board computer.
>> 293
>> 294 config ALPHA_TITAN
>> 295 bool "Titan"
>> 296 help
>> 297 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
135 298
136 menu "Advanced setup" !! 299 config ALPHA_WILDFIRE
>> 300 bool "Wildfire"
>> 301 help
>> 302 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
137 303
138 config ADVANCED_OPTIONS !! 304 endchoice
139 bool "Prompt for advanced kernel confi <<
140 305
141 comment "Default settings for advanced configu !! 306 # clear all implied options (don't want default values for those):
142 depends on !ADVANCED_OPTIONS !! 307 # Most of these machines have ISA slots; not exactly sure which don't,
>> 308 # and this doesn't activate hordes of code, so do it always.
>> 309 config ISA
>> 310 bool
>> 311 default y
>> 312 help
>> 313 Find out whether you have ISA slots on your motherboard. ISA is the
>> 314 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 315 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 316 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 317 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 318
>> 319 config ISA_DMA_API
>> 320 bool
>> 321 default y
143 322
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 323 config PCI
145 bool "Set custom kernel MMU region bas !! 324 bool
146 depends on ADVANCED_OPTIONS !! 325 depends on !ALPHA_JENSEN
>> 326 default y
147 help 327 help
148 This option allows you to set the vi !! 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
149 336
150 Say N here unless you know what you !! 337 config PCI_SYSCALL
>> 338 def_bool PCI
151 339
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 340 config IOMMU_HELPER
153 hex "Virtual base address of the kerne !! 341 def_bool PCI
154 default "0x80000000" !! 342
>> 343 config ALPHA_NONAME
>> 344 bool
>> 345 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 346 default y
155 help 347 help
156 This option allows you to set the vi !! 348 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 349 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 350 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 351 is a baby-AT size, and runs from a standard PC power supply. It has
>> 352 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 353 2 versions, with either PS/2 or large DIN connectors for the
>> 354 keyboard.
>> 355
>> 356 config ALPHA_EV4
>> 357 bool
>> 358 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
>> 359 default y if !ALPHA_LYNX
>> 360
>> 361 config ALPHA_LCA
>> 362 bool
>> 363 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 364 default y
>> 365
>> 366 config ALPHA_APECS
>> 367 bool
>> 368 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 369 default y
157 370
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 371 config ALPHA_EB64P
159 bool "Set custom kernel region base ad !! 372 bool
160 depends on ADVANCED_OPTIONS !! 373 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 374 default y
161 help 375 help
162 This option allows you to set the vi !! 376 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 377 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 378 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 379 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 380 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 381 Runs from standard PC power supply.
>> 382
>> 383 config ALPHA_EV5
>> 384 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 385 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
>> 386
>> 387 config ALPHA_EV4
>> 388 bool
>> 389 default y if ALPHA_LYNX && !ALPHA_EV5
>> 390
>> 391 config ALPHA_CIA
>> 392 bool
>> 393 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
>> 394 default y
163 395
164 Say N here unless you know what you !! 396 config ALPHA_EV56
>> 397 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 398 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
165 399
166 config NIOS2_KERNEL_REGION_BASE !! 400 config ALPHA_EV56
167 hex "Virtual base address of the kerne !! 401 prompt "EV56 CPU (speed >= 333MHz)?"
168 default "0xc0000000" !! 402 depends on ALPHA_NORITAKE || ALPHA_PRIMO
169 403
170 config NIOS2_IO_REGION_BASE_BOOL !! 404 config ALPHA_EV56
171 bool "Set custom I/O region base addre !! 405 prompt "EV56 CPU (speed >= 400MHz)?"
172 depends on ADVANCED_OPTIONS !! 406 depends on ALPHA_RAWHIDE
>> 407
>> 408 config ALPHA_PRIMO
>> 409 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 410 depends on ALPHA_NORITAKE || ALPHA_MIKASA
173 help 411 help
174 This option allows you to set the vi !! 412 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
175 413
176 Say N here unless you know what you !! 414 config ALPHA_GAMMA
>> 415 bool "EV5 CPU(s) (model 5/xxx)?"
>> 416 depends on ALPHA_SABLE
>> 417 help
>> 418 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
177 419
178 config NIOS2_IO_REGION_BASE !! 420 config ALPHA_GAMMA
179 hex "Virtual base address of the I/O r !! 421 bool
180 default "0xe0000000" !! 422 depends on ALPHA_LYNX
>> 423 default y
>> 424
>> 425 config ALPHA_T2
>> 426 bool
>> 427 depends on ALPHA_SABLE || ALPHA_LYNX
>> 428 default y
>> 429
>> 430 config ALPHA_PYXIS
>> 431 bool
>> 432 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 433 default y
>> 434
>> 435 config ALPHA_EV6
>> 436 bool
>> 437 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 438 default y
>> 439
>> 440 config ALPHA_TSUNAMI
>> 441 bool
>> 442 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 443 default y
>> 444
>> 445 config ALPHA_EV67
>> 446 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 447 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 448 help
>> 449 Is this a machine based on the EV67 core? If in doubt, select N here
>> 450 and the machine will be treated as an EV6.
>> 451
>> 452 config ALPHA_EV7
>> 453 bool
>> 454 depends on ALPHA_MARVEL
>> 455 default y
>> 456
>> 457 config ALPHA_MCPCIA
>> 458 bool
>> 459 depends on ALPHA_RAWHIDE
>> 460 default y
>> 461
>> 462 config ALPHA_POLARIS
>> 463 bool
>> 464 depends on ALPHA_RX164
>> 465 default y
>> 466
>> 467 config ALPHA_IRONGATE
>> 468 bool
>> 469 depends on ALPHA_NAUTILUS
>> 470 default y
>> 471
>> 472 config GENERIC_HWEIGHT
>> 473 bool
>> 474 default y if !ALPHA_EV67
>> 475
>> 476 config ALPHA_AVANTI
>> 477 bool
>> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 479 default y
>> 480 help
>> 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 482 Alphas. Info at
>> 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 484
>> 485 config ALPHA_BROKEN_IRQ_MASK
>> 486 bool
>> 487 depends on ALPHA_GENERIC || ALPHA_PC164
>> 488 default y
>> 489
>> 490 config VGA_HOSE
>> 491 bool
>> 492 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
>> 493 default y
>> 494 help
>> 495 Support VGA on an arbitrary hose; needed for several platforms
>> 496 which always have multiple hoses, and whose consoles support it.
>> 497
>> 498
>> 499 config ALPHA_SRM
>> 500 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
>> 501 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
>> 502 ---help---
>> 503 There are two different types of booting firmware on Alphas: SRM,
>> 504 which is command line driven, and ARC, which uses menus and arrow
>> 505 keys. Details about the Linux/Alpha booting process are contained in
>> 506 the Linux/Alpha FAQ, accessible on the WWW from
>> 507 <http://www.alphalinux.org/>.
>> 508
>> 509 The usual way to load Linux on an Alpha machine is to use MILO
>> 510 (a bootloader that lets you pass command line parameters to the
>> 511 kernel just like lilo does for the x86 architecture) which can be
>> 512 loaded either from ARC or can be installed directly as a permanent
>> 513 firmware replacement from floppy (which requires changing a certain
>> 514 jumper on the motherboard). If you want to do either of these, say N
>> 515 here. If MILO doesn't work on your system (true for Jensen
>> 516 motherboards), you can bypass it altogether and boot Linux directly
>> 517 from an SRM console; say Y here in order to do that. Note that you
>> 518 won't be able to boot from an IDE disk using SRM.
>> 519
>> 520 If unsure, say N.
>> 521
>> 522 config EISA
>> 523 bool
>> 524 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 525 default y
>> 526
>> 527 config ARCH_MAY_HAVE_PC_FDC
>> 528 def_bool y
>> 529
>> 530 config SMP
>> 531 bool "Symmetric multi-processing support"
>> 532 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 533 select USE_GENERIC_SMP_HELPERS
>> 534 ---help---
>> 535 This enables support for systems with more than one CPU. If you have
>> 536 a system with only one CPU, like most personal computers, say N. If
>> 537 you have a system with more than one CPU, say Y.
>> 538
>> 539 If you say N here, the kernel will run on single and multiprocessor
>> 540 machines, but will use only one CPU of a multiprocessor machine. If
>> 541 you say Y here, the kernel will run on many, but not all,
>> 542 singleprocessor machines. On a singleprocessor machine, the kernel
>> 543 will run faster if you say N here.
>> 544
>> 545 See also the SMP-HOWTO available at
>> 546 <http://www.tldp.org/docs.html#howto>.
>> 547
>> 548 If you don't know what to do here, say N.
>> 549
>> 550 config HAVE_DEC_LOCK
>> 551 bool
>> 552 depends on SMP
>> 553 default y
>> 554
>> 555 config NR_CPUS
>> 556 int "Maximum number of CPUs (2-32)"
>> 557 range 2 32
>> 558 depends on SMP
>> 559 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 560 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 561 help
>> 562 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 563 with working support have a maximum of 4 CPUs.
>> 564
>> 565 config ARCH_DISCONTIGMEM_ENABLE
>> 566 bool "Discontiguous Memory Support (EXPERIMENTAL)"
>> 567 depends on EXPERIMENTAL
>> 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> for more.
>> 573
>> 574 source "mm/Kconfig"
>> 575
>> 576 config NUMA
>> 577 bool "NUMA Support (EXPERIMENTAL)"
>> 578 depends on DISCONTIGMEM && BROKEN
>> 579 help
>> 580 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 581 Access). This option is for configuring high-end multiprocessor
>> 582 server machines. If in doubt, say N.
>> 583
>> 584 config NODES_SHIFT
>> 585 int
>> 586 default "7"
>> 587 depends on NEED_MULTIPLE_NODES
>> 588
>> 589 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 590 config ALPHA_LARGE_VMALLOC
>> 591 bool
>> 592 ---help---
>> 593 Process creation and other aspects of virtual memory management can
>> 594 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 595 allocations. This equates to about 8GB.
>> 596
>> 597 Under normal circumstances, this is so far and above what is needed
>> 598 as to be laughable. However, there are certain applications (such
>> 599 as benchmark-grade in-kernel web serving) that can make use of as
>> 600 much vmalloc space as is available.
>> 601
>> 602 Say N unless you know you need gobs and gobs of vmalloc space.
>> 603
>> 604 config VERBOSE_MCHECK
>> 605 bool "Verbose Machine Checks"
>> 606
>> 607 config VERBOSE_MCHECK_ON
>> 608 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 609 depends on VERBOSE_MCHECK
>> 610 default 1
>> 611 ---help---
>> 612 This option allows the default printing mode to be set, and then
>> 613 possibly overridden by a boot command argument.
>> 614
>> 615 For example, if one wanted the option of printing verbose
>> 616 machine checks, but wanted the default to be as if verbose
>> 617 machine check printing was turned off, then one would choose
>> 618 the printing mode to be 0. Then, upon reboot, one could add
>> 619 the boot command line "verbose_mcheck=1" to get the normal
>> 620 verbose machine check printing, or "verbose_mcheck=2" to get
>> 621 the maximum information available.
>> 622
>> 623 Take the default (1) unless you want more control or more info.
>> 624
>> 625 config HZ
>> 626 int
>> 627 default 1200 if ALPHA_RAWHIDE
>> 628 default 1024
>> 629
>> 630 source "drivers/pci/Kconfig"
>> 631 source "drivers/eisa/Kconfig"
>> 632
>> 633 source "drivers/pcmcia/Kconfig"
>> 634
>> 635 config SRM_ENV
>> 636 tristate "SRM environment through procfs"
>> 637 depends on PROC_FS
>> 638 ---help---
>> 639 If you enable this option, a subdirectory inside /proc called
>> 640 /proc/srm_environment will give you access to the all important
>> 641 SRM environment variables (those which have a name) and also
>> 642 to all others (by their internal number).
>> 643
>> 644 SRM is something like a BIOS for Alpha machines. There are some
>> 645 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 646 support (hey, that's not SRM!).
>> 647
>> 648 Despite the fact that this driver doesn't work on all Alphas (but
>> 649 only on those which have SRM as their firmware), it's save to
>> 650 build it even if your particular machine doesn't know about SRM
>> 651 (or if you intend to compile a generic kernel). It will simply
>> 652 not create those subdirectory in /proc (and give you some warning,
>> 653 of course).
>> 654
>> 655 This driver is also available as a module and will be called
>> 656 srm_env then.
>> 657
>> 658 source "fs/Kconfig.binfmt"
181 659
182 endmenu 660 endmenu
>> 661
>> 662 source "net/Kconfig"
>> 663
>> 664 source "drivers/Kconfig"
>> 665
>> 666 source "fs/Kconfig"
>> 667
>> 668 source "arch/alpha/Kconfig.debug"
>> 669
>> 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
>> 676
>> 677 source "security/Kconfig"
>> 678
>> 679 source "crypto/Kconfig"
>> 680
>> 681 source "lib/Kconfig"
>> 682
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