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