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