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