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 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_IPC_PARSE_VERSION
18 select HAVE_ARCH_KGDB !! 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG
19 select HAVE_PAGE_SIZE_4KB !! 19 select AUDIT_ARCH
20 select IRQ_DOMAIN !! 20 select GENERIC_CLOCKEVENTS
21 select LOCK_MM_AND_FIND_VMA !! 21 select GENERIC_CPU_VULNERABILITIES
>> 22 select GENERIC_SMP_IDLE_THREAD
>> 23 select GENERIC_STRNCPY_FROM_USER
>> 24 select GENERIC_STRNLEN_USER
>> 25 select HAVE_ARCH_AUDITSYSCALL
>> 26 select HAVE_MOD_ARCH_SPECIFIC
22 select MODULES_USE_ELF_RELA 27 select MODULES_USE_ELF_RELA
23 select OF !! 28 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 29 select OLD_SIGSUSPEND
25 select SOC_BUS !! 30 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 31 help
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 32 The Alpha is a 64-bit general-purpose processor designed and
28 select CPU_NO_EFFICIENT_FFS !! 33 marketed by the Digital Equipment Corporation of blessed memory,
29 select MMU_GATHER_NO_RANGE if MMU !! 34 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 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
47 83
48 source "kernel/Kconfig.hz" !! 84 source "init/Kconfig"
>> 85 source "kernel/Kconfig.freezer"
49 86
50 config ARCH_FORCE_MAX_ORDER !! 87 config AUDIT_ARCH
51 int "Order of maximal physically conti !! 88 bool
52 default "10" !! 89
>> 90 menu "System setup"
>> 91
>> 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.
>> 99
>> 100 To find out what type of Alpha system you have, you may want to
>> 101 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 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 !! 213 depends on BROKEN
113 depends on !CMDLINE_FORCE !! 214 select DMA_DIRECT_OPS
114 default y <<
115 help 215 help
116 Set this to ignore the bootargs prop !! 216 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
117 chosen node and fall back to CMDLINE !! 217 of the first-generation Alpha systems. A number of these systems
>> 218 seem to be available on the second- hand market. The Jensen is a
>> 219 floor-standing tower system which originally used a 150MHz 21064 It
>> 220 used programmable logic to interface a 486 EISA I/O bridge to the
>> 221 CPU.
118 222
119 config NIOS2_PASS_CMDLINE !! 223 config ALPHA_LX164
120 bool "Passed kernel command line from !! 224 bool "LX164"
121 help 225 help
122 Use bootargs env variable from u-boo !! 226 A technical overview of this board is available at
123 will override "Default kernel comman !! 227 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
124 Say N if you are unsure. <<
125 228
126 config NIOS2_BOOT_LINK_OFFSET !! 229 config ALPHA_LYNX
127 hex "Link address offset for booting" !! 230 bool "Lynx"
128 default "0x00500000" <<
129 help 231 help
130 This option allows you to set the li !! 232 AlphaServer 2100A-based systems.
131 This can be useful if you are on a b <<
132 memory. <<
133 233
134 endmenu !! 234 config ALPHA_MARVEL
>> 235 bool "Marvel"
>> 236 help
>> 237 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 238
>> 239 config ALPHA_MIATA
>> 240 bool "Miata"
>> 241 help
>> 242 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 243 or 600au).
>> 244
>> 245 config ALPHA_MIKASA
>> 246 bool "Mikasa"
>> 247 help
>> 248 AlphaServer 1000-based Alpha systems.
>> 249
>> 250 config ALPHA_NAUTILUS
>> 251 bool "Nautilus"
>> 252 help
>> 253 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 254
>> 255 config ALPHA_NONAME_CH
>> 256 bool "Noname"
>> 257
>> 258 config ALPHA_NORITAKE
>> 259 bool "Noritake"
>> 260 help
>> 261 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 262 systems.
>> 263
>> 264 config ALPHA_PC164
>> 265 bool "PC164"
>> 266
>> 267 config ALPHA_P2K
>> 268 bool "Platform2000"
>> 269
>> 270 config ALPHA_RAWHIDE
>> 271 bool "Rawhide"
>> 272 help
>> 273 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 274 See HOWTO at
>> 275 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 276
>> 277 config ALPHA_RUFFIAN
>> 278 bool "Ruffian"
>> 279 help
>> 280 Samsung APC164UX. There is a page on known problems and workarounds
>> 281 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 282
>> 283 config ALPHA_RX164
>> 284 bool "RX164"
>> 285
>> 286 config ALPHA_SX164
>> 287 bool "SX164"
>> 288
>> 289 config ALPHA_SABLE
>> 290 bool "Sable"
>> 291 help
>> 292 Digital AlphaServer 2000 and 2100-based systems.
>> 293
>> 294 config ALPHA_SHARK
>> 295 bool "Shark"
>> 296
>> 297 config ALPHA_TAKARA
>> 298 bool "Takara"
>> 299 help
>> 300 Alpha 11164-based OEM single-board computer.
>> 301
>> 302 config ALPHA_TITAN
>> 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 306
>> 307 config ALPHA_WILDFIRE
>> 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
135 311
136 menu "Advanced setup" !! 312 endchoice
137 313
138 config ADVANCED_OPTIONS !! 314 # clear all implied options (don't want default values for those):
139 bool "Prompt for advanced kernel confi !! 315 # Most of these machines have ISA slots; not exactly sure which don't,
>> 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
>> 318 bool
>> 319 default y
>> 320 help
>> 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
140 326
141 comment "Default settings for advanced configu !! 327 config ISA_DMA_API
142 depends on !ADVANCED_OPTIONS !! 328 bool
>> 329 default y
143 330
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 331 config PCI
145 bool "Set custom kernel MMU region bas !! 332 bool
146 depends on ADVANCED_OPTIONS !! 333 depends on !ALPHA_JENSEN
>> 334 select GENERIC_PCI_IOMAP
>> 335 default y
147 help 336 help
148 This option allows you to set the vi !! 337 Find out whether you have a PCI motherboard. PCI is the name of a
>> 338 bus system, i.e. the way the CPU talks to the other stuff inside
>> 339 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 340 VESA. If you have PCI, say Y, otherwise N.
149 341
150 Say N here unless you know what you !! 342 config PCI_DOMAINS
>> 343 bool
>> 344 default y
151 345
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 346 config PCI_SYSCALL
153 hex "Virtual base address of the kerne !! 347 def_bool PCI
154 default "0x80000000" !! 348
>> 349 config IOMMU_HELPER
>> 350 def_bool PCI
>> 351
>> 352 config ALPHA_NONAME
>> 353 bool
>> 354 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 355 default y
155 help 356 help
156 This option allows you to set the vi !! 357 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 358 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 359 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 360 is a baby-AT size, and runs from a standard PC power supply. It has
>> 361 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 362 2 versions, with either PS/2 or large DIN connectors for the
>> 363 keyboard.
>> 364
>> 365 config ALPHA_EV4
>> 366 bool
>> 367 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
>> 368 default y if !ALPHA_LYNX
>> 369
>> 370 config ALPHA_LCA
>> 371 bool
>> 372 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 373 default y
157 374
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 375 config ALPHA_APECS
159 bool "Set custom kernel region base ad !! 376 bool
160 depends on ADVANCED_OPTIONS !! 377 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 378 default y
>> 379
>> 380 config ALPHA_EB64P
>> 381 bool
>> 382 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 383 default y
161 help 384 help
162 This option allows you to set the vi !! 385 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 386 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 387 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 388 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 389 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 390 Runs from standard PC power supply.
>> 391
>> 392 config ALPHA_EV5
>> 393 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 394 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
>> 395
>> 396 config ALPHA_EV4
>> 397 bool
>> 398 default y if ALPHA_LYNX && !ALPHA_EV5
>> 399
>> 400 config ALPHA_CIA
>> 401 bool
>> 402 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
>> 403 default y
163 404
164 Say N here unless you know what you !! 405 config ALPHA_EV56
>> 406 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 407 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
165 408
166 config NIOS2_KERNEL_REGION_BASE !! 409 config ALPHA_EV56
167 hex "Virtual base address of the kerne !! 410 prompt "EV56 CPU (speed >= 333MHz)?"
168 default "0xc0000000" !! 411 depends on ALPHA_NORITAKE || ALPHA_PRIMO
169 412
170 config NIOS2_IO_REGION_BASE_BOOL !! 413 config ALPHA_EV56
171 bool "Set custom I/O region base addre !! 414 prompt "EV56 CPU (speed >= 400MHz)?"
172 depends on ADVANCED_OPTIONS !! 415 depends on ALPHA_RAWHIDE
>> 416
>> 417 config ALPHA_PRIMO
>> 418 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 419 depends on ALPHA_NORITAKE || ALPHA_MIKASA
173 help 420 help
174 This option allows you to set the vi !! 421 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
175 422
176 Say N here unless you know what you !! 423 config ALPHA_GAMMA
>> 424 bool "EV5 CPU(s) (model 5/xxx)?"
>> 425 depends on ALPHA_SABLE
>> 426 help
>> 427 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
177 428
178 config NIOS2_IO_REGION_BASE !! 429 config ALPHA_GAMMA
179 hex "Virtual base address of the I/O r !! 430 bool
180 default "0xe0000000" !! 431 depends on ALPHA_LYNX
>> 432 default y
>> 433
>> 434 config ALPHA_T2
>> 435 bool
>> 436 depends on ALPHA_SABLE || ALPHA_LYNX
>> 437 default y
>> 438
>> 439 config ALPHA_PYXIS
>> 440 bool
>> 441 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 442 default y
>> 443
>> 444 config ALPHA_EV6
>> 445 bool
>> 446 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 447 default y
>> 448
>> 449 config ALPHA_TSUNAMI
>> 450 bool
>> 451 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 452 default y
>> 453
>> 454 config ALPHA_EV67
>> 455 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 456 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 457 help
>> 458 Is this a machine based on the EV67 core? If in doubt, select N here
>> 459 and the machine will be treated as an EV6.
>> 460
>> 461 config ALPHA_MCPCIA
>> 462 bool
>> 463 depends on ALPHA_RAWHIDE
>> 464 default y
>> 465
>> 466 config ALPHA_POLARIS
>> 467 bool
>> 468 depends on ALPHA_RX164
>> 469 default y
>> 470
>> 471 config ALPHA_IRONGATE
>> 472 bool
>> 473 depends on ALPHA_NAUTILUS
>> 474 default y
>> 475
>> 476 config GENERIC_HWEIGHT
>> 477 bool
>> 478 default y if !ALPHA_EV67
>> 479
>> 480 config ALPHA_AVANTI
>> 481 bool
>> 482 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 483 default y
>> 484 help
>> 485 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 486 Alphas. Info at
>> 487 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 488
>> 489 config ALPHA_BROKEN_IRQ_MASK
>> 490 bool
>> 491 depends on ALPHA_GENERIC || ALPHA_PC164
>> 492 default y
>> 493
>> 494 config VGA_HOSE
>> 495 bool
>> 496 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 497 default y
>> 498 help
>> 499 Support VGA on an arbitrary hose; needed for several platforms
>> 500 which always have multiple hoses, and whose consoles support it.
>> 501
>> 502
>> 503 config ALPHA_QEMU
>> 504 bool "Run under QEMU emulation"
>> 505 depends on !ALPHA_GENERIC
>> 506 ---help---
>> 507 Assume the presence of special features supported by QEMU PALcode
>> 508 that reduce the overhead of system emulation.
>> 509
>> 510 Generic kernels will auto-detect QEMU. But when building a
>> 511 system-specific kernel, the assumption is that we want to
>> 512 eliminate as many runtime tests as possible.
>> 513
>> 514 If unsure, say N.
>> 515
>> 516
>> 517 config ALPHA_SRM
>> 518 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
>> 519 depends on TTY
>> 520 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
>> 521 ---help---
>> 522 There are two different types of booting firmware on Alphas: SRM,
>> 523 which is command line driven, and ARC, which uses menus and arrow
>> 524 keys. Details about the Linux/Alpha booting process are contained in
>> 525 the Linux/Alpha FAQ, accessible on the WWW from
>> 526 <http://www.alphalinux.org/>.
>> 527
>> 528 The usual way to load Linux on an Alpha machine is to use MILO
>> 529 (a bootloader that lets you pass command line parameters to the
>> 530 kernel just like lilo does for the x86 architecture) which can be
>> 531 loaded either from ARC or can be installed directly as a permanent
>> 532 firmware replacement from floppy (which requires changing a certain
>> 533 jumper on the motherboard). If you want to do either of these, say N
>> 534 here. If MILO doesn't work on your system (true for Jensen
>> 535 motherboards), you can bypass it altogether and boot Linux directly
>> 536 from an SRM console; say Y here in order to do that. Note that you
>> 537 won't be able to boot from an IDE disk using SRM.
>> 538
>> 539 If unsure, say N.
>> 540
>> 541 config EISA
>> 542 bool
>> 543 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 544 default y
>> 545
>> 546 config ARCH_MAY_HAVE_PC_FDC
>> 547 def_bool y
>> 548
>> 549 config SMP
>> 550 bool "Symmetric multi-processing support"
>> 551 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 552 ---help---
>> 553 This enables support for systems with more than one CPU. If you have
>> 554 a system with only one CPU, say N. If you have a system with more
>> 555 than one CPU, say Y.
>> 556
>> 557 If you say N here, the kernel will run on uni- and multiprocessor
>> 558 machines, but will use only one CPU of a multiprocessor machine. If
>> 559 you say Y here, the kernel will run on many, but not all,
>> 560 uniprocessor machines. On a uniprocessor machine, the kernel
>> 561 will run faster if you say N here.
>> 562
>> 563 See also the SMP-HOWTO available at
>> 564 <http://www.tldp.org/docs.html#howto>.
>> 565
>> 566 If you don't know what to do here, say N.
>> 567
>> 568 config HAVE_DEC_LOCK
>> 569 bool
>> 570 depends on SMP
>> 571 default y
>> 572
>> 573 config NR_CPUS
>> 574 int "Maximum number of CPUs (2-32)"
>> 575 range 2 32
>> 576 depends on SMP
>> 577 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 578 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 579 help
>> 580 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 581 with working support have a maximum of 4 CPUs.
>> 582
>> 583 config ARCH_DISCONTIGMEM_ENABLE
>> 584 bool "Discontiguous Memory Support"
>> 585 help
>> 586 Say Y to support efficient handling of discontiguous physical memory,
>> 587 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 588 or have huge holes in the physical address space for other reasons.
>> 589 See <file:Documentation/vm/numa> for more.
>> 590
>> 591 source "mm/Kconfig"
>> 592
>> 593 config NUMA
>> 594 bool "NUMA Support (EXPERIMENTAL)"
>> 595 depends on DISCONTIGMEM && BROKEN
>> 596 help
>> 597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 598 Access). This option is for configuring high-end multiprocessor
>> 599 server machines. If in doubt, say N.
>> 600
>> 601 config ALPHA_WTINT
>> 602 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 603 default y if ALPHA_QEMU
>> 604 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 605 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 606 default y if SMP
>> 607 ---help---
>> 608 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 609 to sleep until the next interrupt. This may reduce the power
>> 610 consumed, and the heat produced by the computer. However, it has
>> 611 the side effect of making the cycle counter unreliable as a timing
>> 612 device across the sleep.
>> 613
>> 614 For emulation under QEMU, definitely say Y here, as we have other
>> 615 mechanisms for measuring time than the cycle counter.
>> 616
>> 617 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 618 MILO, sleep mode is not supported so you might as well say N here.
>> 619
>> 620 For SMP systems we cannot use the cycle counter for timing anyway,
>> 621 so you might as well say Y here.
>> 622
>> 623 If unsure, say N.
>> 624
>> 625 config NODES_SHIFT
>> 626 int
>> 627 default "7"
>> 628 depends on NEED_MULTIPLE_NODES
>> 629
>> 630 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 631 config ALPHA_LARGE_VMALLOC
>> 632 bool
>> 633 ---help---
>> 634 Process creation and other aspects of virtual memory management can
>> 635 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 636 allocations. This equates to about 8GB.
>> 637
>> 638 Under normal circumstances, this is so far and above what is needed
>> 639 as to be laughable. However, there are certain applications (such
>> 640 as benchmark-grade in-kernel web serving) that can make use of as
>> 641 much vmalloc space as is available.
>> 642
>> 643 Say N unless you know you need gobs and gobs of vmalloc space.
>> 644
>> 645 config VERBOSE_MCHECK
>> 646 bool "Verbose Machine Checks"
>> 647
>> 648 config VERBOSE_MCHECK_ON
>> 649 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 650 depends on VERBOSE_MCHECK
>> 651 default 1
>> 652 ---help---
>> 653 This option allows the default printing mode to be set, and then
>> 654 possibly overridden by a boot command argument.
>> 655
>> 656 For example, if one wanted the option of printing verbose
>> 657 machine checks, but wanted the default to be as if verbose
>> 658 machine check printing was turned off, then one would choose
>> 659 the printing mode to be 0. Then, upon reboot, one could add
>> 660 the boot command line "verbose_mcheck=1" to get the normal
>> 661 verbose machine check printing, or "verbose_mcheck=2" to get
>> 662 the maximum information available.
>> 663
>> 664 Take the default (1) unless you want more control or more info.
>> 665
>> 666 choice
>> 667 prompt "Timer interrupt frequency (HZ)?"
>> 668 default HZ_128 if ALPHA_QEMU
>> 669 default HZ_1200 if ALPHA_RAWHIDE
>> 670 default HZ_1024
>> 671 ---help---
>> 672 The frequency at which timer interrupts occur. A high frequency
>> 673 minimizes latency, whereas a low frequency minimizes overhead of
>> 674 process accounting. The later effect is especially significant
>> 675 when being run under QEMU.
>> 676
>> 677 Note that some Alpha hardware cannot change the interrupt frequency
>> 678 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 679
>> 680 config HZ_32
>> 681 bool "32 Hz"
>> 682 config HZ_64
>> 683 bool "64 Hz"
>> 684 config HZ_128
>> 685 bool "128 Hz"
>> 686 config HZ_256
>> 687 bool "256 Hz"
>> 688 config HZ_1024
>> 689 bool "1024 Hz"
>> 690 config HZ_1200
>> 691 bool "1200 Hz"
>> 692 endchoice
>> 693
>> 694 config HZ
>> 695 int
>> 696 default 32 if HZ_32
>> 697 default 64 if HZ_64
>> 698 default 128 if HZ_128
>> 699 default 256 if HZ_256
>> 700 default 1200 if HZ_1200
>> 701 default 1024
>> 702
>> 703 source "drivers/pci/Kconfig"
>> 704 source "drivers/eisa/Kconfig"
>> 705
>> 706 source "drivers/pcmcia/Kconfig"
>> 707
>> 708 config SRM_ENV
>> 709 tristate "SRM environment through procfs"
>> 710 depends on PROC_FS
>> 711 ---help---
>> 712 If you enable this option, a subdirectory inside /proc called
>> 713 /proc/srm_environment will give you access to the all important
>> 714 SRM environment variables (those which have a name) and also
>> 715 to all others (by their internal number).
>> 716
>> 717 SRM is something like a BIOS for Alpha machines. There are some
>> 718 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 719 support (hey, that's not SRM!).
>> 720
>> 721 Despite the fact that this driver doesn't work on all Alphas (but
>> 722 only on those which have SRM as their firmware), it's save to
>> 723 build it even if your particular machine doesn't know about SRM
>> 724 (or if you intend to compile a generic kernel). It will simply
>> 725 not create those subdirectory in /proc (and give you some warning,
>> 726 of course).
>> 727
>> 728 This driver is also available as a module and will be called
>> 729 srm_env then.
>> 730
>> 731 source "fs/Kconfig.binfmt"
181 732
182 endmenu 733 endmenu
>> 734
>> 735 source "net/Kconfig"
>> 736
>> 737 source "drivers/Kconfig"
>> 738
>> 739 source "fs/Kconfig"
>> 740
>> 741 source "arch/alpha/Kconfig.debug"
>> 742
>> 743 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 744 # but we also need it if VGA_HOSE is set
>> 745 config DUMMY_CONSOLE
>> 746 bool
>> 747 depends on VGA_HOSE
>> 748 default y
>> 749
>> 750 source "security/Kconfig"
>> 751
>> 752 source "crypto/Kconfig"
>> 753
>> 754 source "lib/Kconfig"
>> 755
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