1 # SPDX-License-Identifier: GPL-2.0 !! 1 config ALPHA
2 config NIOS2 !! 2 bool
3 def_bool y !! 3 default y
4 select ARCH_32BIT_OFF_T !! 4 select ARCH_MIGHT_HAVE_PC_PARPORT
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 select ARCH_MIGHT_HAVE_PC_SERIO
6 select ARCH_HAS_DMA_PREP_COHERENT !! 6 select ARCH_USE_CMPXCHG_LOCKREF
7 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 7 select HAVE_AOUT
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8 select HAVE_IDE
9 select ARCH_HAS_DMA_SET_UNCACHED !! 9 select HAVE_OPROFILE
10 select ARCH_NO_SWAP !! 10 select HAVE_PCSPKR_PLATFORM
11 select COMMON_CLK !! 11 select HAVE_PERF_EVENTS
12 select TIMER_OF !! 12 select HAVE_DMA_ATTRS
13 select GENERIC_ATOMIC64 !! 13 select VIRT_TO_BUS
14 select GENERIC_CPU_DEVICES <<
15 select GENERIC_IRQ_PROBE 14 select GENERIC_IRQ_PROBE
>> 15 select AUTO_IRQ_AFFINITY if SMP
16 select GENERIC_IRQ_SHOW 16 select GENERIC_IRQ_SHOW
17 select HAVE_ARCH_TRACEHOOK !! 17 select ARCH_WANT_OPTIONAL_GPIOLIB
18 select HAVE_ARCH_KGDB !! 18 select ARCH_WANT_IPC_PARSE_VERSION
19 select HAVE_PAGE_SIZE_4KB !! 19 select ARCH_HAVE_NMI_SAFE_CMPXCHG
20 select IRQ_DOMAIN !! 20 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
21 select LOCK_MM_AND_FIND_VMA !! 21 select AUDIT_ARCH
>> 22 select GENERIC_CLOCKEVENTS
>> 23 select GENERIC_SMP_IDLE_THREAD
>> 24 select GENERIC_STRNCPY_FROM_USER
>> 25 select GENERIC_STRNLEN_USER
>> 26 select HAVE_ARCH_AUDITSYSCALL
>> 27 select HAVE_MOD_ARCH_SPECIFIC
22 select MODULES_USE_ELF_RELA 28 select MODULES_USE_ELF_RELA
23 select OF !! 29 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 30 select OLD_SIGSUSPEND
25 select SOC_BUS !! 31 help
26 select SPARSE_IRQ !! 32 The Alpha is a 64-bit general-purpose processor designed and
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 33 marketed by the Digital Equipment Corporation of blessed memory,
28 select CPU_NO_EFFICIENT_FFS !! 34 now Hewlett-Packard. The Alpha Linux project has a home page at
29 select MMU_GATHER_NO_RANGE if MMU !! 35 <http://www.alphalinux.org/>.
30 36
31 config GENERIC_CSUM !! 37 config 64BIT
32 def_bool y 38 def_bool y
33 39
34 config GENERIC_HWEIGHT !! 40 config MMU
35 def_bool y !! 41 bool
>> 42 default y
>> 43
>> 44 config RWSEM_GENERIC_SPINLOCK
>> 45 bool
>> 46
>> 47 config RWSEM_XCHGADD_ALGORITHM
>> 48 bool
>> 49 default y
>> 50
>> 51 config ARCH_HAS_ILOG2_U32
>> 52 bool
>> 53 default n
>> 54
>> 55 config ARCH_HAS_ILOG2_U64
>> 56 bool
>> 57 default n
36 58
37 config GENERIC_CALIBRATE_DELAY 59 config GENERIC_CALIBRATE_DELAY
>> 60 bool
>> 61 default y
>> 62
>> 63 config ZONE_DMA
>> 64 bool
>> 65 default y
>> 66
>> 67 config ARCH_DMA_ADDR_T_64BIT
38 def_bool y 68 def_bool y
39 69
40 config NO_IOPORT_MAP !! 70 config NEED_DMA_MAP_STATE
>> 71 def_bool y
>> 72
>> 73 config NEED_SG_DMA_LENGTH
41 def_bool y 74 def_bool y
42 75
43 config FPU !! 76 config GENERIC_ISA_DMA
44 def_bool n !! 77 bool
>> 78 default y
45 79
46 menu "Kernel features" !! 80 config PGTABLE_LEVELS
>> 81 int
>> 82 default 3
>> 83
>> 84 source "init/Kconfig"
>> 85 source "kernel/Kconfig.freezer"
>> 86
>> 87 config AUDIT_ARCH
>> 88 bool
>> 89
>> 90 menu "System setup"
47 91
48 source "kernel/Kconfig.hz" !! 92 choice
>> 93 prompt "Alpha system type"
>> 94 default ALPHA_GENERIC
>> 95 ---help---
>> 96 This is the system type of your hardware. A "generic" kernel will
>> 97 run on any supported Alpha system. However, if you configure a
>> 98 kernel for your specific system, it will be faster and smaller.
49 99
50 config ARCH_FORCE_MAX_ORDER !! 100 To find out what type of Alpha system you have, you may want to
51 int "Order of maximal physically conti !! 101 check out the Linux/Alpha FAQ, accessible on the WWW from
52 default "10" !! 102 <http://www.alphalinux.org/>. In summary:
>> 103
>> 104 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 105 Alpha-XL XL-233, XL-266
>> 106 AlphaBook1 Alpha laptop
>> 107 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 108 Cabriolet AlphaPC64, AlphaPCI64
>> 109 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 110 EB164 EB164 21164 evaluation board
>> 111 EB64+ EB64+ 21064 evaluation board
>> 112 EB66 EB66 21066 evaluation board
>> 113 EB66+ EB66+ 21066 evaluation board
>> 114 Jensen DECpc 150, DEC 2000 models 300, 500
>> 115 LX164 AlphaPC164-LX
>> 116 Lynx AS 2100A
>> 117 Miata Personal Workstation 433/500/600 a/au
>> 118 Marvel AlphaServer ES47 / ES80 / GS1280
>> 119 Mikasa AS 1000
>> 120 Noname AXPpci33, UDB (Multia)
>> 121 Noritake AS 1000A, AS 600A, AS 800
>> 122 PC164 AlphaPC164
>> 123 Rawhide AS 1200, AS 4000, AS 4100
>> 124 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 125 SX164 AlphaPC164-SX
>> 126 Sable AS 2000, AS 2100
>> 127 Shark DS 20L
>> 128 Takara Takara (OEM)
>> 129 Titan AlphaServer ES45 / DS25 / DS15
>> 130 Wildfire AlphaServer GS 40/80/160/320
>> 131
>> 132 If you don't know what to do, choose "generic".
>> 133
>> 134 config ALPHA_GENERIC
>> 135 bool "Generic"
>> 136 depends on TTY
53 help 137 help
54 The kernel page allocator limits the !! 138 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 <<
60 139
61 Don't change if unsure. !! 140 config ALPHA_ALCOR
>> 141 bool "Alcor/Alpha-XLT"
>> 142 help
>> 143 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 144 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 145 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 146 controller (256-bit memory bus) and a PCI interface. It also does
>> 147 all the work required to support an external Bcache and to maintain
>> 148 memory coherence when a PCI device DMAs into (or out of) memory.
62 149
63 endmenu !! 150 config ALPHA_XL
>> 151 bool "Alpha-XL"
>> 152 help
>> 153 XL-233 and XL-266-based Alpha systems.
64 154
65 source "arch/nios2/platform/Kconfig.platform" !! 155 config ALPHA_BOOK1
>> 156 bool "AlphaBook1"
>> 157 help
>> 158 Dec AlphaBook1/Burns Alpha-based laptops.
66 159
67 menu "Processor type and features" !! 160 config ALPHA_AVANTI_CH
>> 161 bool "Avanti"
68 162
69 config MMU !! 163 config ALPHA_CABRIOLET
70 def_bool y !! 164 bool "Cabriolet"
>> 165 help
>> 166 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 167 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 168 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 169 Bcache SIMMs. Requires power supply with 3.3V output.
71 170
72 config NR_CPUS !! 171 config ALPHA_DP264
73 int !! 172 bool "DP264"
74 default "1" !! 173 help
>> 174 Various 21264 systems with the tsunami core logic chipset.
>> 175 API Networks: 264DP, UP2000(+), CS20;
>> 176 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
75 177
76 config NIOS2_ALIGNMENT_TRAP !! 178 config ALPHA_EB164
77 bool "Catch alignment trap" !! 179 bool "EB164"
78 default y <<
79 help 180 help
80 Nios II CPUs cannot fetch/store data !! 181 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
81 i.e., a 2 or 4 byte fetch must start !! 182 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
82 2 or 4. Any non-aligned load/store i !! 183 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
83 emulated in software if you say Y he !! 184 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
84 impact. !! 185 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 186 motherboard. Requires power supply with 3.3V output.
85 187
86 comment "Boot options" !! 188 config ALPHA_EB64P_CH
>> 189 bool "EB64+"
87 190
88 config CMDLINE_BOOL !! 191 config ALPHA_EB66
89 bool "Default bootloader kernel argume !! 192 bool "EB66"
90 default y !! 193 help
>> 194 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 195 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 196 supply. The EB66 schematic was published as a marketing poster
>> 197 advertising the 21066 as "the first microprocessor in the world with
>> 198 embedded PCI".
91 199
92 config CMDLINE !! 200 config ALPHA_EB66P
93 string "Default kernel command string" !! 201 bool "EB66+"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 202 help
97 On some platforms, there is currentl !! 203 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 <<
102 204
103 config CMDLINE_FORCE !! 205 config ALPHA_EIGER
104 bool "Force default kernel command str !! 206 bool "Eiger"
105 depends on CMDLINE_BOOL <<
106 help 207 help
107 Set this to have arguments from the !! 208 Apparently an obscure OEM single-board computer based on the
108 override those passed by the boot lo !! 209 Typhoon/Tsunami chipset family. Information on it is scanty.
109 210
110 config NIOS2_CMDLINE_IGNORE_DTB !! 211 config ALPHA_JENSEN
111 bool "Ignore kernel command string fro !! 212 bool "Jensen"
112 depends on CMDLINE_BOOL <<
113 depends on !CMDLINE_FORCE <<
114 default y <<
115 help 213 help
116 Set this to ignore the bootargs prop !! 214 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
117 chosen node and fall back to CMDLINE !! 215 of the first-generation Alpha systems. A number of these systems
>> 216 seem to be available on the second- hand market. The Jensen is a
>> 217 floor-standing tower system which originally used a 150MHz 21064 It
>> 218 used programmable logic to interface a 486 EISA I/O bridge to the
>> 219 CPU.
118 220
119 config NIOS2_PASS_CMDLINE !! 221 config ALPHA_LX164
120 bool "Passed kernel command line from !! 222 bool "LX164"
121 help 223 help
122 Use bootargs env variable from u-boo !! 224 A technical overview of this board is available at
123 will override "Default kernel comman !! 225 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
124 Say N if you are unsure. <<
125 226
126 config NIOS2_BOOT_LINK_OFFSET !! 227 config ALPHA_LYNX
127 hex "Link address offset for booting" !! 228 bool "Lynx"
128 default "0x00500000" <<
129 help 229 help
130 This option allows you to set the li !! 230 AlphaServer 2100A-based systems.
131 This can be useful if you are on a b <<
132 memory. <<
133 231
134 endmenu !! 232 config ALPHA_MARVEL
>> 233 bool "Marvel"
>> 234 help
>> 235 AlphaServer ES47 / ES80 / GS1280 based on EV7.
135 236
136 menu "Advanced setup" !! 237 config ALPHA_MIATA
>> 238 bool "Miata"
>> 239 help
>> 240 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 241 or 600au).
137 242
138 config ADVANCED_OPTIONS !! 243 config ALPHA_MIKASA
139 bool "Prompt for advanced kernel confi !! 244 bool "Mikasa"
>> 245 help
>> 246 AlphaServer 1000-based Alpha systems.
140 247
141 comment "Default settings for advanced configu !! 248 config ALPHA_NAUTILUS
142 depends on !ADVANCED_OPTIONS !! 249 bool "Nautilus"
>> 250 help
>> 251 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 252
>> 253 config ALPHA_NONAME_CH
>> 254 bool "Noname"
143 255
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 256 config ALPHA_NORITAKE
145 bool "Set custom kernel MMU region bas !! 257 bool "Noritake"
146 depends on ADVANCED_OPTIONS <<
147 help 258 help
148 This option allows you to set the vi !! 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
149 261
150 Say N here unless you know what you !! 262 config ALPHA_PC164
>> 263 bool "PC164"
151 264
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 265 config ALPHA_P2K
153 hex "Virtual base address of the kerne !! 266 bool "Platform2000"
154 default "0x80000000" !! 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
155 help 270 help
156 This option allows you to set the vi !! 271 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 272 See HOWTO at
>> 273 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
157 274
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 275 config ALPHA_RUFFIAN
159 bool "Set custom kernel region base ad !! 276 bool "Ruffian"
160 depends on ADVANCED_OPTIONS <<
161 help 277 help
162 This option allows you to set the vi !! 278 Samsung APC164UX. There is a page on known problems and workarounds
>> 279 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 280
>> 281 config ALPHA_RX164
>> 282 bool "RX164"
163 283
164 Say N here unless you know what you !! 284 config ALPHA_SX164
>> 285 bool "SX164"
165 286
166 config NIOS2_KERNEL_REGION_BASE !! 287 config ALPHA_SABLE
167 hex "Virtual base address of the kerne !! 288 bool "Sable"
168 default "0xc0000000" !! 289 help
>> 290 Digital AlphaServer 2000 and 2100-based systems.
>> 291
>> 292 config ALPHA_SHARK
>> 293 bool "Shark"
169 294
170 config NIOS2_IO_REGION_BASE_BOOL !! 295 config ALPHA_TAKARA
171 bool "Set custom I/O region base addre !! 296 bool "Takara"
172 depends on ADVANCED_OPTIONS <<
173 help 297 help
174 This option allows you to set the vi !! 298 Alpha 11164-based OEM single-board computer.
175 299
176 Say N here unless you know what you !! 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
177 304
178 config NIOS2_IO_REGION_BASE !! 305 config ALPHA_WILDFIRE
179 hex "Virtual base address of the I/O r !! 306 bool "Wildfire"
180 default "0xe0000000" !! 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 309
>> 310 endchoice
>> 311
>> 312 # clear all implied options (don't want default values for those):
>> 313 # Most of these machines have ISA slots; not exactly sure which don't,
>> 314 # and this doesn't activate hordes of code, so do it always.
>> 315 config ISA
>> 316 bool
>> 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 324
>> 325 config ISA_DMA_API
>> 326 bool
>> 327 default y
>> 328
>> 329 config PCI
>> 330 bool
>> 331 depends on !ALPHA_JENSEN
>> 332 select GENERIC_PCI_IOMAP
>> 333 default y
>> 334 help
>> 335 Find out whether you have a PCI motherboard. PCI is the name of a
>> 336 bus system, i.e. the way the CPU talks to the other stuff inside
>> 337 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 338 VESA. If you have PCI, say Y, otherwise N.
>> 339
>> 340 config PCI_DOMAINS
>> 341 bool
>> 342 default y
>> 343
>> 344 config PCI_SYSCALL
>> 345 def_bool PCI
>> 346
>> 347 config IOMMU_HELPER
>> 348 def_bool PCI
>> 349
>> 350 config ALPHA_NONAME
>> 351 bool
>> 352 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 353 default y
>> 354 help
>> 355 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 356 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 357 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 358 is a baby-AT size, and runs from a standard PC power supply. It has
>> 359 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 360 2 versions, with either PS/2 or large DIN connectors for the
>> 361 keyboard.
>> 362
>> 363 config ALPHA_EV4
>> 364 bool
>> 365 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
>> 366 default y if !ALPHA_LYNX
>> 367
>> 368 config ALPHA_LCA
>> 369 bool
>> 370 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 371 default y
>> 372
>> 373 config ALPHA_APECS
>> 374 bool
>> 375 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 376 default y
>> 377
>> 378 config ALPHA_EB64P
>> 379 bool
>> 380 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 381 default y
>> 382 help
>> 383 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 384 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 385 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 386 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 387 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 388 Runs from standard PC power supply.
>> 389
>> 390 config ALPHA_EV5
>> 391 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 392 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
>> 393
>> 394 config ALPHA_EV4
>> 395 bool
>> 396 default y if ALPHA_LYNX && !ALPHA_EV5
>> 397
>> 398 config ALPHA_CIA
>> 399 bool
>> 400 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
>> 401 default y
>> 402
>> 403 config ALPHA_EV56
>> 404 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 405 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 406
>> 407 config ALPHA_EV56
>> 408 prompt "EV56 CPU (speed >= 333MHz)?"
>> 409 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 410
>> 411 config ALPHA_EV56
>> 412 prompt "EV56 CPU (speed >= 400MHz)?"
>> 413 depends on ALPHA_RAWHIDE
>> 414
>> 415 config ALPHA_PRIMO
>> 416 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 417 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 418 help
>> 419 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 420
>> 421 config ALPHA_GAMMA
>> 422 bool "EV5 CPU(s) (model 5/xxx)?"
>> 423 depends on ALPHA_SABLE
>> 424 help
>> 425 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 426
>> 427 config ALPHA_GAMMA
>> 428 bool
>> 429 depends on ALPHA_LYNX
>> 430 default y
>> 431
>> 432 config ALPHA_T2
>> 433 bool
>> 434 depends on ALPHA_SABLE || ALPHA_LYNX
>> 435 default y
>> 436
>> 437 config ALPHA_PYXIS
>> 438 bool
>> 439 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 440 default y
>> 441
>> 442 config ALPHA_EV6
>> 443 bool
>> 444 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 445 default y
>> 446
>> 447 config ALPHA_TSUNAMI
>> 448 bool
>> 449 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 450 default y
>> 451
>> 452 config ALPHA_EV67
>> 453 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 454 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 455 help
>> 456 Is this a machine based on the EV67 core? If in doubt, select N here
>> 457 and the machine will be treated as an EV6.
>> 458
>> 459 config ALPHA_MCPCIA
>> 460 bool
>> 461 depends on ALPHA_RAWHIDE
>> 462 default y
>> 463
>> 464 config ALPHA_POLARIS
>> 465 bool
>> 466 depends on ALPHA_RX164
>> 467 default y
>> 468
>> 469 config ALPHA_IRONGATE
>> 470 bool
>> 471 depends on ALPHA_NAUTILUS
>> 472 default y
>> 473
>> 474 config GENERIC_HWEIGHT
>> 475 bool
>> 476 default y if !ALPHA_EV67
>> 477
>> 478 config ALPHA_AVANTI
>> 479 bool
>> 480 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 481 default y
>> 482 help
>> 483 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 484 Alphas. Info at
>> 485 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 486
>> 487 config ALPHA_BROKEN_IRQ_MASK
>> 488 bool
>> 489 depends on ALPHA_GENERIC || ALPHA_PC164
>> 490 default y
>> 491
>> 492 config VGA_HOSE
>> 493 bool
>> 494 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 495 default y
>> 496 help
>> 497 Support VGA on an arbitrary hose; needed for several platforms
>> 498 which always have multiple hoses, and whose consoles support it.
>> 499
>> 500
>> 501 config ALPHA_QEMU
>> 502 bool "Run under QEMU emulation"
>> 503 depends on !ALPHA_GENERIC
>> 504 ---help---
>> 505 Assume the presence of special features supported by QEMU PALcode
>> 506 that reduce the overhead of system emulation.
>> 507
>> 508 Generic kernels will auto-detect QEMU. But when building a
>> 509 system-specific kernel, the assumption is that we want to
>> 510 elimiate as many runtime tests as possible.
>> 511
>> 512 If unsure, say N.
>> 513
>> 514
>> 515 config ALPHA_SRM
>> 516 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
>> 517 depends on TTY
>> 518 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
>> 519 ---help---
>> 520 There are two different types of booting firmware on Alphas: SRM,
>> 521 which is command line driven, and ARC, which uses menus and arrow
>> 522 keys. Details about the Linux/Alpha booting process are contained in
>> 523 the Linux/Alpha FAQ, accessible on the WWW from
>> 524 <http://www.alphalinux.org/>.
>> 525
>> 526 The usual way to load Linux on an Alpha machine is to use MILO
>> 527 (a bootloader that lets you pass command line parameters to the
>> 528 kernel just like lilo does for the x86 architecture) which can be
>> 529 loaded either from ARC or can be installed directly as a permanent
>> 530 firmware replacement from floppy (which requires changing a certain
>> 531 jumper on the motherboard). If you want to do either of these, say N
>> 532 here. If MILO doesn't work on your system (true for Jensen
>> 533 motherboards), you can bypass it altogether and boot Linux directly
>> 534 from an SRM console; say Y here in order to do that. Note that you
>> 535 won't be able to boot from an IDE disk using SRM.
>> 536
>> 537 If unsure, say N.
>> 538
>> 539 config EISA
>> 540 bool
>> 541 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 542 default y
>> 543
>> 544 config ARCH_MAY_HAVE_PC_FDC
>> 545 def_bool y
>> 546
>> 547 config SMP
>> 548 bool "Symmetric multi-processing support"
>> 549 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 550 ---help---
>> 551 This enables support for systems with more than one CPU. If you have
>> 552 a system with only one CPU, say N. If you have a system with more
>> 553 than one CPU, say Y.
>> 554
>> 555 If you say N here, the kernel will run on uni- and multiprocessor
>> 556 machines, but will use only one CPU of a multiprocessor machine. If
>> 557 you say Y here, the kernel will run on many, but not all,
>> 558 uniprocessor machines. On a uniprocessor machine, the kernel
>> 559 will run faster if you say N here.
>> 560
>> 561 See also the SMP-HOWTO available at
>> 562 <http://www.tldp.org/docs.html#howto>.
>> 563
>> 564 If you don't know what to do here, say N.
>> 565
>> 566 config HAVE_DEC_LOCK
>> 567 bool
>> 568 depends on SMP
>> 569 default y
>> 570
>> 571 config NR_CPUS
>> 572 int "Maximum number of CPUs (2-32)"
>> 573 range 2 32
>> 574 depends on SMP
>> 575 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 576 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 577 help
>> 578 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 579 with working support have a maximum of 4 CPUs.
>> 580
>> 581 config ARCH_DISCONTIGMEM_ENABLE
>> 582 bool "Discontiguous Memory Support"
>> 583 help
>> 584 Say Y to support efficient handling of discontiguous physical memory,
>> 585 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 586 or have huge holes in the physical address space for other reasons.
>> 587 See <file:Documentation/vm/numa> for more.
>> 588
>> 589 source "mm/Kconfig"
>> 590
>> 591 config NUMA
>> 592 bool "NUMA Support (EXPERIMENTAL)"
>> 593 depends on DISCONTIGMEM && BROKEN
>> 594 help
>> 595 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 596 Access). This option is for configuring high-end multiprocessor
>> 597 server machines. If in doubt, say N.
>> 598
>> 599 config ALPHA_WTINT
>> 600 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 601 default y if ALPHA_QEMU
>> 602 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 603 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 604 default y if SMP
>> 605 ---help---
>> 606 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 607 to sleep until the next interrupt. This may reduce the power
>> 608 consumed, and the heat produced by the computer. However, it has
>> 609 the side effect of making the cycle counter unreliable as a timing
>> 610 device across the sleep.
>> 611
>> 612 For emulation under QEMU, definitely say Y here, as we have other
>> 613 mechanisms for measuring time than the cycle counter.
>> 614
>> 615 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 616 MILO, sleep mode is not supported so you might as well say N here.
>> 617
>> 618 For SMP systems we cannot use the cycle counter for timing anyway,
>> 619 so you might as well say Y here.
>> 620
>> 621 If unsure, say N.
>> 622
>> 623 config NODES_SHIFT
>> 624 int
>> 625 default "7"
>> 626 depends on NEED_MULTIPLE_NODES
>> 627
>> 628 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 629 config ALPHA_LARGE_VMALLOC
>> 630 bool
>> 631 ---help---
>> 632 Process creation and other aspects of virtual memory management can
>> 633 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 634 allocations. This equates to about 8GB.
>> 635
>> 636 Under normal circumstances, this is so far and above what is needed
>> 637 as to be laughable. However, there are certain applications (such
>> 638 as benchmark-grade in-kernel web serving) that can make use of as
>> 639 much vmalloc space as is available.
>> 640
>> 641 Say N unless you know you need gobs and gobs of vmalloc space.
>> 642
>> 643 config VERBOSE_MCHECK
>> 644 bool "Verbose Machine Checks"
>> 645
>> 646 config VERBOSE_MCHECK_ON
>> 647 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 648 depends on VERBOSE_MCHECK
>> 649 default 1
>> 650 ---help---
>> 651 This option allows the default printing mode to be set, and then
>> 652 possibly overridden by a boot command argument.
>> 653
>> 654 For example, if one wanted the option of printing verbose
>> 655 machine checks, but wanted the default to be as if verbose
>> 656 machine check printing was turned off, then one would choose
>> 657 the printing mode to be 0. Then, upon reboot, one could add
>> 658 the boot command line "verbose_mcheck=1" to get the normal
>> 659 verbose machine check printing, or "verbose_mcheck=2" to get
>> 660 the maximum information available.
>> 661
>> 662 Take the default (1) unless you want more control or more info.
>> 663
>> 664 choice
>> 665 prompt "Timer interrupt frequency (HZ)?"
>> 666 default HZ_128 if ALPHA_QEMU
>> 667 default HZ_1200 if ALPHA_RAWHIDE
>> 668 default HZ_1024
>> 669 ---help---
>> 670 The frequency at which timer interrupts occur. A high frequency
>> 671 minimizes latency, whereas a low frequency minimizes overhead of
>> 672 process accounting. The later effect is especially significant
>> 673 when being run under QEMU.
>> 674
>> 675 Note that some Alpha hardware cannot change the interrupt frequency
>> 676 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 677
>> 678 config HZ_32
>> 679 bool "32 Hz"
>> 680 config HZ_64
>> 681 bool "64 Hz"
>> 682 config HZ_128
>> 683 bool "128 Hz"
>> 684 config HZ_256
>> 685 bool "256 Hz"
>> 686 config HZ_1024
>> 687 bool "1024 Hz"
>> 688 config HZ_1200
>> 689 bool "1200 Hz"
>> 690 endchoice
>> 691
>> 692 config HZ
>> 693 int
>> 694 default 32 if HZ_32
>> 695 default 64 if HZ_64
>> 696 default 128 if HZ_128
>> 697 default 256 if HZ_256
>> 698 default 1200 if HZ_1200
>> 699 default 1024
>> 700
>> 701 source "drivers/pci/Kconfig"
>> 702 source "drivers/eisa/Kconfig"
>> 703
>> 704 source "drivers/pcmcia/Kconfig"
>> 705
>> 706 config SRM_ENV
>> 707 tristate "SRM environment through procfs"
>> 708 depends on PROC_FS
>> 709 ---help---
>> 710 If you enable this option, a subdirectory inside /proc called
>> 711 /proc/srm_environment will give you access to the all important
>> 712 SRM environment variables (those which have a name) and also
>> 713 to all others (by their internal number).
>> 714
>> 715 SRM is something like a BIOS for Alpha machines. There are some
>> 716 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 717 support (hey, that's not SRM!).
>> 718
>> 719 Despite the fact that this driver doesn't work on all Alphas (but
>> 720 only on those which have SRM as their firmware), it's save to
>> 721 build it even if your particular machine doesn't know about SRM
>> 722 (or if you intend to compile a generic kernel). It will simply
>> 723 not create those subdirectory in /proc (and give you some warning,
>> 724 of course).
>> 725
>> 726 This driver is also available as a module and will be called
>> 727 srm_env then.
>> 728
>> 729 source "fs/Kconfig.binfmt"
181 730
182 endmenu 731 endmenu
>> 732
>> 733 source "net/Kconfig"
>> 734
>> 735 source "drivers/Kconfig"
>> 736
>> 737 source "fs/Kconfig"
>> 738
>> 739 source "arch/alpha/Kconfig.debug"
>> 740
>> 741 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 742 # but we also need it if VGA_HOSE is set
>> 743 config DUMMY_CONSOLE
>> 744 bool
>> 745 depends on VGA_HOSE
>> 746 default y
>> 747
>> 748 source "security/Kconfig"
>> 749
>> 750 source "crypto/Kconfig"
>> 751
>> 752 source "lib/Kconfig"
>> 753
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