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_32BIT_USTAT_F_TINODE
6 select ARCH_HAS_DMA_PREP_COHERENT !! 6 select ARCH_MIGHT_HAVE_PC_PARPORT
7 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 7 select ARCH_MIGHT_HAVE_PC_SERIO
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8 select ARCH_NO_PREEMPT
9 select ARCH_HAS_DMA_SET_UNCACHED !! 9 select ARCH_NO_SG_CHAIN
10 select ARCH_NO_SWAP !! 10 select ARCH_USE_CMPXCHG_LOCKREF
11 select COMMON_CLK !! 11 select DMA_OPS if PCI
12 select TIMER_OF !! 12 select FORCE_PCI if !ALPHA_JENSEN
13 select GENERIC_ATOMIC64 !! 13 select PCI_DOMAINS if PCI
14 select GENERIC_CPU_DEVICES !! 14 select PCI_SYSCALL if PCI
>> 15 select HAVE_AOUT
>> 16 select HAVE_ASM_MODVERSIONS
>> 17 select HAVE_IDE
>> 18 select HAVE_PCSPKR_PLATFORM
>> 19 select HAVE_PERF_EVENTS
>> 20 select NEED_DMA_MAP_STATE
>> 21 select NEED_SG_DMA_LENGTH
>> 22 select VIRT_TO_BUS
15 select GENERIC_IRQ_PROBE 23 select GENERIC_IRQ_PROBE
>> 24 select GENERIC_PCI_IOMAP if PCI
>> 25 select AUTO_IRQ_AFFINITY if SMP
16 select GENERIC_IRQ_SHOW 26 select GENERIC_IRQ_SHOW
17 select HAVE_ARCH_TRACEHOOK !! 27 select ARCH_WANT_IPC_PARSE_VERSION
18 select HAVE_ARCH_KGDB !! 28 select ARCH_HAVE_NMI_SAFE_CMPXCHG
19 select HAVE_PAGE_SIZE_4KB !! 29 select AUDIT_ARCH
20 select IRQ_DOMAIN !! 30 select GENERIC_CPU_VULNERABILITIES
21 select LOCK_MM_AND_FIND_VMA !! 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 select SET_FS
28 select CPU_NO_EFFICIENT_FFS !! 42 select SPARSEMEM_EXTREME if SPARSEMEM
29 select MMU_GATHER_NO_RANGE if MMU !! 43 help
>> 44 The Alpha is a 64-bit general-purpose processor designed and
>> 45 marketed by the Digital Equipment Corporation of blessed memory,
>> 46 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 47 <http://www.alphalinux.org/>.
30 48
31 config GENERIC_CSUM !! 49 config 64BIT
32 def_bool y 50 def_bool y
33 51
34 config GENERIC_HWEIGHT !! 52 config MMU
35 def_bool y !! 53 bool
>> 54 default y
>> 55
>> 56 config ARCH_HAS_ILOG2_U32
>> 57 bool
>> 58 default n
>> 59
>> 60 config ARCH_HAS_ILOG2_U64
>> 61 bool
>> 62 default n
36 63
37 config GENERIC_CALIBRATE_DELAY 64 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 65 bool
>> 66 default y
39 67
40 config NO_IOPORT_MAP !! 68 config ZONE_DMA
41 def_bool y !! 69 bool
>> 70 default y
42 71
43 config FPU !! 72 config GENERIC_ISA_DMA
44 def_bool n !! 73 bool
>> 74 default y
45 75
46 menu "Kernel features" !! 76 config PGTABLE_LEVELS
>> 77 int
>> 78 default 3
>> 79
>> 80 config AUDIT_ARCH
>> 81 bool
47 82
48 source "kernel/Kconfig.hz" !! 83 menu "System setup"
49 84
50 config ARCH_FORCE_MAX_ORDER !! 85 choice
51 int "Order of maximal physically conti !! 86 prompt "Alpha system type"
52 default "10" !! 87 default ALPHA_GENERIC
53 help 88 help
54 The kernel page allocator limits the !! 89 This is the system type of your hardware. A "generic" kernel will
55 contiguous allocations. The limit is !! 90 run on any supported Alpha system. However, if you configure a
56 defines the maximal power of two of !! 91 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 92
61 Don't change if unsure. !! 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:
62 96
63 endmenu !! 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
64 124
65 source "arch/nios2/platform/Kconfig.platform" !! 125 If you don't know what to do, choose "generic".
66 126
67 menu "Processor type and features" !! 127 config ALPHA_GENERIC
>> 128 bool "Generic"
>> 129 depends on TTY
>> 130 select HAVE_EISA
>> 131 help
>> 132 A generic kernel will run on all supported Alpha hardware.
68 133
69 config MMU !! 134 config ALPHA_ALCOR
70 def_bool y !! 135 bool "Alcor/Alpha-XLT"
>> 136 select HAVE_EISA
>> 137 help
>> 138 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 139 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 140 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 141 controller (256-bit memory bus) and a PCI interface. It also does
>> 142 all the work required to support an external Bcache and to maintain
>> 143 memory coherence when a PCI device DMAs into (or out of) memory.
71 144
72 config NR_CPUS !! 145 config ALPHA_XL
73 int !! 146 bool "Alpha-XL"
74 default "1" !! 147 help
>> 148 XL-233 and XL-266-based Alpha systems.
75 149
76 config NIOS2_ALIGNMENT_TRAP !! 150 config ALPHA_BOOK1
77 bool "Catch alignment trap" !! 151 bool "AlphaBook1"
78 default y <<
79 help 152 help
80 Nios II CPUs cannot fetch/store data !! 153 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. <<
85 154
86 comment "Boot options" !! 155 config ALPHA_AVANTI_CH
>> 156 bool "Avanti"
87 157
88 config CMDLINE_BOOL !! 158 config ALPHA_CABRIOLET
89 bool "Default bootloader kernel argume !! 159 bool "Cabriolet"
90 default y !! 160 help
>> 161 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 162 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 163 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 164 Bcache SIMMs. Requires power supply with 3.3V output.
>> 165
>> 166 config ALPHA_DP264
>> 167 bool "DP264"
>> 168 help
>> 169 Various 21264 systems with the tsunami core logic chipset.
>> 170 API Networks: 264DP, UP2000(+), CS20;
>> 171 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 172
>> 173 config ALPHA_EB164
>> 174 bool "EB164"
>> 175 help
>> 176 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 177 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 178 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 179 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 180 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 181 motherboard. Requires power supply with 3.3V output.
>> 182
>> 183 config ALPHA_EB64P_CH
>> 184 bool "EB64+"
>> 185
>> 186 config ALPHA_EB66
>> 187 bool "EB66"
>> 188 help
>> 189 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 190 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 191 supply. The EB66 schematic was published as a marketing poster
>> 192 advertising the 21066 as "the first microprocessor in the world with
>> 193 embedded PCI".
>> 194
>> 195 config ALPHA_EB66P
>> 196 bool "EB66+"
>> 197 help
>> 198 Later variant of the EB66 board.
>> 199
>> 200 config ALPHA_EIGER
>> 201 bool "Eiger"
>> 202 help
>> 203 Apparently an obscure OEM single-board computer based on the
>> 204 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 205
>> 206 config ALPHA_JENSEN
>> 207 bool "Jensen"
>> 208 depends on BROKEN
>> 209 select HAVE_EISA
>> 210 help
>> 211 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 212 of the first-generation Alpha systems. A number of these systems
>> 213 seem to be available on the second- hand market. The Jensen is a
>> 214 floor-standing tower system which originally used a 150MHz 21064 It
>> 215 used programmable logic to interface a 486 EISA I/O bridge to the
>> 216 CPU.
>> 217
>> 218 config ALPHA_LX164
>> 219 bool "LX164"
>> 220 help
>> 221 A technical overview of this board is available at
>> 222 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 223
>> 224 config ALPHA_LYNX
>> 225 bool "Lynx"
>> 226 select HAVE_EISA
>> 227 help
>> 228 AlphaServer 2100A-based systems.
>> 229
>> 230 config ALPHA_MARVEL
>> 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 234
>> 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 select HAVE_EISA
>> 238 help
>> 239 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 240 or 600au).
>> 241
>> 242 config ALPHA_MIKASA
>> 243 bool "Mikasa"
>> 244 help
>> 245 AlphaServer 1000-based Alpha systems.
>> 246
>> 247 config ALPHA_NAUTILUS
>> 248 bool "Nautilus"
>> 249 help
>> 250 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 251
>> 252 config ALPHA_NONAME_CH
>> 253 bool "Noname"
>> 254
>> 255 config ALPHA_NORITAKE
>> 256 bool "Noritake"
>> 257 select HAVE_EISA
>> 258 help
>> 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
>> 261
>> 262 config ALPHA_PC164
>> 263 bool "PC164"
>> 264
>> 265 config ALPHA_P2K
>> 266 bool "Platform2000"
>> 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 select HAVE_EISA
>> 271 help
>> 272 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 273 See HOWTO at
>> 274 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 275
>> 276 config ALPHA_RUFFIAN
>> 277 bool "Ruffian"
>> 278 help
>> 279 Samsung APC164UX. There is a page on known problems and workarounds
>> 280 at <http://www.alphalinux.org/faq/FAQ-11.html>.
91 281
92 config CMDLINE !! 282 config ALPHA_RX164
93 string "Default kernel command string" !! 283 bool "RX164"
94 default "" !! 284
95 depends on CMDLINE_BOOL !! 285 config ALPHA_SX164
>> 286 bool "SX164"
>> 287
>> 288 config ALPHA_SABLE
>> 289 bool "Sable"
>> 290 select HAVE_EISA
>> 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"
96 help 304 help
97 On some platforms, there is currentl !! 305 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 <<
102 306
103 config CMDLINE_FORCE !! 307 config ALPHA_WILDFIRE
104 bool "Force default kernel command str !! 308 bool "Wildfire"
105 depends on CMDLINE_BOOL <<
106 help 309 help
107 Set this to have arguments from the !! 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
108 override those passed by the boot lo !! 311
>> 312 endchoice
109 313
110 config NIOS2_CMDLINE_IGNORE_DTB !! 314 # clear all implied options (don't want default values for those):
111 bool "Ignore kernel command string fro !! 315 # Most of these machines have ISA slots; not exactly sure which don't,
112 depends on CMDLINE_BOOL !! 316 # and this doesn't activate hordes of code, so do it always.
113 depends on !CMDLINE_FORCE !! 317 config ISA
>> 318 bool
114 default y 319 default y
115 help 320 help
116 Set this to ignore the bootargs prop !! 321 Find out whether you have ISA slots on your motherboard. ISA is the
117 chosen node and fall back to CMDLINE !! 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.
118 326
119 config NIOS2_PASS_CMDLINE !! 327 config ISA_DMA_API
120 bool "Passed kernel command line from !! 328 bool
>> 329 default y
>> 330
>> 331 config ALPHA_NONAME
>> 332 bool
>> 333 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 334 default y
121 help 335 help
122 Use bootargs env variable from u-boo !! 336 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
123 will override "Default kernel comman !! 337 UDB). This design was produced by Digital's Technical OEM (TOEM)
124 Say N if you are unsure. !! 338 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 339 is a baby-AT size, and runs from a standard PC power supply. It has
>> 340 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 341 2 versions, with either PS/2 or large DIN connectors for the
>> 342 keyboard.
>> 343
>> 344 config ALPHA_EV4
>> 345 bool
>> 346 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
>> 347 default y if !ALPHA_LYNX
>> 348
>> 349 config ALPHA_LCA
>> 350 bool
>> 351 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 352 default y
125 353
126 config NIOS2_BOOT_LINK_OFFSET !! 354 config ALPHA_APECS
127 hex "Link address offset for booting" !! 355 bool
128 default "0x00500000" !! 356 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 357 default y
>> 358
>> 359 config ALPHA_EB64P
>> 360 bool
>> 361 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 362 default y
129 help 363 help
130 This option allows you to set the li !! 364 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
131 This can be useful if you are on a b !! 365 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
132 memory. !! 366 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 367 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 368 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 369 Runs from standard PC power supply.
>> 370
>> 371 config ALPHA_EV5
>> 372 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 373 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
>> 374
>> 375 config ALPHA_EV4
>> 376 bool
>> 377 default y if ALPHA_LYNX && !ALPHA_EV5
>> 378
>> 379 config ALPHA_CIA
>> 380 bool
>> 381 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
>> 382 default y
133 383
134 endmenu !! 384 config ALPHA_EV56
>> 385 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 386 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
135 387
136 menu "Advanced setup" !! 388 config ALPHA_EV56
>> 389 prompt "EV56 CPU (speed >= 333MHz)?"
>> 390 depends on ALPHA_NORITAKE || ALPHA_PRIMO
137 391
138 config ADVANCED_OPTIONS !! 392 config ALPHA_EV56
139 bool "Prompt for advanced kernel confi !! 393 prompt "EV56 CPU (speed >= 400MHz)?"
>> 394 depends on ALPHA_RAWHIDE
140 395
141 comment "Default settings for advanced configu !! 396 config ALPHA_PRIMO
142 depends on !ADVANCED_OPTIONS !! 397 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 399 help
>> 400 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
143 401
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 402 config ALPHA_GAMMA
145 bool "Set custom kernel MMU region bas !! 403 bool "EV5 CPU(s) (model 5/xxx)?"
146 depends on ADVANCED_OPTIONS !! 404 depends on ALPHA_SABLE
147 help 405 help
148 This option allows you to set the vi !! 406 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 407
>> 408 config ALPHA_GAMMA
>> 409 bool
>> 410 depends on ALPHA_LYNX
>> 411 default y
>> 412
>> 413 config ALPHA_T2
>> 414 bool
>> 415 depends on ALPHA_SABLE || ALPHA_LYNX
>> 416 default y
149 417
150 Say N here unless you know what you !! 418 config ALPHA_PYXIS
>> 419 bool
>> 420 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 421 default y
151 422
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 423 config ALPHA_EV6
153 hex "Virtual base address of the kerne !! 424 bool
154 default "0x80000000" !! 425 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 426 default y
>> 427
>> 428 config ALPHA_TSUNAMI
>> 429 bool
>> 430 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 431 default y
>> 432
>> 433 config ALPHA_EV67
>> 434 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 435 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 436 help
>> 437 Is this a machine based on the EV67 core? If in doubt, select N here
>> 438 and the machine will be treated as an EV6.
>> 439
>> 440 config ALPHA_MCPCIA
>> 441 bool
>> 442 depends on ALPHA_RAWHIDE
>> 443 default y
>> 444
>> 445 config ALPHA_POLARIS
>> 446 bool
>> 447 depends on ALPHA_RX164
>> 448 default y
>> 449
>> 450 config ALPHA_IRONGATE
>> 451 bool
>> 452 depends on ALPHA_NAUTILUS
>> 453 default y
>> 454
>> 455 config GENERIC_HWEIGHT
>> 456 bool
>> 457 default y if !ALPHA_EV67
>> 458
>> 459 config ALPHA_AVANTI
>> 460 bool
>> 461 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 462 default y
155 help 463 help
156 This option allows you to set the vi !! 464 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 465 Alphas. Info at
>> 466 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 467
>> 468 config ALPHA_BROKEN_IRQ_MASK
>> 469 bool
>> 470 depends on ALPHA_GENERIC || ALPHA_PC164
>> 471 default y
157 472
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 473 config VGA_HOSE
159 bool "Set custom kernel region base ad !! 474 bool
160 depends on ADVANCED_OPTIONS !! 475 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 476 default y
161 help 477 help
162 This option allows you to set the vi !! 478 Support VGA on an arbitrary hose; needed for several platforms
>> 479 which always have multiple hoses, and whose consoles support it.
163 480
164 Say N here unless you know what you <<
165 481
166 config NIOS2_KERNEL_REGION_BASE !! 482 config ALPHA_QEMU
167 hex "Virtual base address of the kerne !! 483 bool "Run under QEMU emulation"
168 default "0xc0000000" !! 484 depends on !ALPHA_GENERIC
>> 485 help
>> 486 Assume the presence of special features supported by QEMU PALcode
>> 487 that reduce the overhead of system emulation.
>> 488
>> 489 Generic kernels will auto-detect QEMU. But when building a
>> 490 system-specific kernel, the assumption is that we want to
>> 491 eliminate as many runtime tests as possible.
>> 492
>> 493 If unsure, say N.
>> 494
169 495
170 config NIOS2_IO_REGION_BASE_BOOL !! 496 config ALPHA_SRM
171 bool "Set custom I/O region base addre !! 497 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 !! 498 depends on TTY
>> 499 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 500 help
174 This option allows you to set the vi !! 501 There are two different types of booting firmware on Alphas: SRM,
>> 502 which is command line driven, and ARC, which uses menus and arrow
>> 503 keys. Details about the Linux/Alpha booting process are contained in
>> 504 the Linux/Alpha FAQ, accessible on the WWW from
>> 505 <http://www.alphalinux.org/>.
175 506
176 Say N here unless you know what you !! 507 The usual way to load Linux on an Alpha machine is to use MILO
>> 508 (a bootloader that lets you pass command line parameters to the
>> 509 kernel just like lilo does for the x86 architecture) which can be
>> 510 loaded either from ARC or can be installed directly as a permanent
>> 511 firmware replacement from floppy (which requires changing a certain
>> 512 jumper on the motherboard). If you want to do either of these, say N
>> 513 here. If MILO doesn't work on your system (true for Jensen
>> 514 motherboards), you can bypass it altogether and boot Linux directly
>> 515 from an SRM console; say Y here in order to do that. Note that you
>> 516 won't be able to boot from an IDE disk using SRM.
>> 517
>> 518 If unsure, say N.
>> 519
>> 520 config ARCH_MAY_HAVE_PC_FDC
>> 521 def_bool y
177 522
178 config NIOS2_IO_REGION_BASE !! 523 config SMP
179 hex "Virtual base address of the I/O r !! 524 bool "Symmetric multi-processing support"
180 default "0xe0000000" !! 525 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 526 help
>> 527 This enables support for systems with more than one CPU. If you have
>> 528 a system with only one CPU, say N. If you have a system with more
>> 529 than one CPU, say Y.
>> 530
>> 531 If you say N here, the kernel will run on uni- and multiprocessor
>> 532 machines, but will use only one CPU of a multiprocessor machine. If
>> 533 you say Y here, the kernel will run on many, but not all,
>> 534 uniprocessor machines. On a uniprocessor machine, the kernel
>> 535 will run faster if you say N here.
>> 536
>> 537 See also the SMP-HOWTO available at
>> 538 <http://www.tldp.org/docs.html#howto>.
>> 539
>> 540 If you don't know what to do here, say N.
>> 541
>> 542 config NR_CPUS
>> 543 int "Maximum number of CPUs (2-32)"
>> 544 range 2 32
>> 545 depends on SMP
>> 546 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 547 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 548 help
>> 549 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 550 with working support have a maximum of 4 CPUs.
>> 551
>> 552 config ARCH_DISCONTIGMEM_ENABLE
>> 553 bool "Discontiguous Memory Support"
>> 554 depends on BROKEN
>> 555 help
>> 556 Say Y to support efficient handling of discontiguous physical memory,
>> 557 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 558 or have huge holes in the physical address space for other reasons.
>> 559 See <file:Documentation/vm/numa.rst> for more.
>> 560
>> 561 config ARCH_SPARSEMEM_ENABLE
>> 562 bool "Sparse Memory Support"
>> 563 help
>> 564 Say Y to support efficient handling of discontiguous physical memory,
>> 565 for systems that have huge holes in the physical address space.
>> 566
>> 567 config NUMA
>> 568 bool "NUMA Support (EXPERIMENTAL)"
>> 569 depends on DISCONTIGMEM && BROKEN
>> 570 help
>> 571 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 572 Access). This option is for configuring high-end multiprocessor
>> 573 server machines. If in doubt, say N.
>> 574
>> 575 config ALPHA_WTINT
>> 576 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 577 default y if ALPHA_QEMU
>> 578 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 579 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 580 default y if SMP
>> 581 help
>> 582 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 583 to sleep until the next interrupt. This may reduce the power
>> 584 consumed, and the heat produced by the computer. However, it has
>> 585 the side effect of making the cycle counter unreliable as a timing
>> 586 device across the sleep.
>> 587
>> 588 For emulation under QEMU, definitely say Y here, as we have other
>> 589 mechanisms for measuring time than the cycle counter.
>> 590
>> 591 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 592 MILO, sleep mode is not supported so you might as well say N here.
>> 593
>> 594 For SMP systems we cannot use the cycle counter for timing anyway,
>> 595 so you might as well say Y here.
>> 596
>> 597 If unsure, say N.
>> 598
>> 599 config NODES_SHIFT
>> 600 int
>> 601 default "7"
>> 602 depends on NEED_MULTIPLE_NODES
>> 603
>> 604 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 605 config ALPHA_LARGE_VMALLOC
>> 606 bool
>> 607 help
>> 608 Process creation and other aspects of virtual memory management can
>> 609 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 610 allocations. This equates to about 8GB.
>> 611
>> 612 Under normal circumstances, this is so far and above what is needed
>> 613 as to be laughable. However, there are certain applications (such
>> 614 as benchmark-grade in-kernel web serving) that can make use of as
>> 615 much vmalloc space as is available.
>> 616
>> 617 Say N unless you know you need gobs and gobs of vmalloc space.
>> 618
>> 619 config VERBOSE_MCHECK
>> 620 bool "Verbose Machine Checks"
>> 621
>> 622 config VERBOSE_MCHECK_ON
>> 623 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 624 depends on VERBOSE_MCHECK
>> 625 default 1
>> 626 help
>> 627 This option allows the default printing mode to be set, and then
>> 628 possibly overridden by a boot command argument.
>> 629
>> 630 For example, if one wanted the option of printing verbose
>> 631 machine checks, but wanted the default to be as if verbose
>> 632 machine check printing was turned off, then one would choose
>> 633 the printing mode to be 0. Then, upon reboot, one could add
>> 634 the boot command line "verbose_mcheck=1" to get the normal
>> 635 verbose machine check printing, or "verbose_mcheck=2" to get
>> 636 the maximum information available.
>> 637
>> 638 Take the default (1) unless you want more control or more info.
>> 639
>> 640 choice
>> 641 prompt "Timer interrupt frequency (HZ)?"
>> 642 default HZ_128 if ALPHA_QEMU
>> 643 default HZ_1200 if ALPHA_RAWHIDE
>> 644 default HZ_1024
>> 645 help
>> 646 The frequency at which timer interrupts occur. A high frequency
>> 647 minimizes latency, whereas a low frequency minimizes overhead of
>> 648 process accounting. The later effect is especially significant
>> 649 when being run under QEMU.
>> 650
>> 651 Note that some Alpha hardware cannot change the interrupt frequency
>> 652 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 653
>> 654 config HZ_32
>> 655 bool "32 Hz"
>> 656 config HZ_64
>> 657 bool "64 Hz"
>> 658 config HZ_128
>> 659 bool "128 Hz"
>> 660 config HZ_256
>> 661 bool "256 Hz"
>> 662 config HZ_1024
>> 663 bool "1024 Hz"
>> 664 config HZ_1200
>> 665 bool "1200 Hz"
>> 666 endchoice
>> 667
>> 668 config HZ
>> 669 int
>> 670 default 32 if HZ_32
>> 671 default 64 if HZ_64
>> 672 default 128 if HZ_128
>> 673 default 256 if HZ_256
>> 674 default 1200 if HZ_1200
>> 675 default 1024
>> 676
>> 677 config SRM_ENV
>> 678 tristate "SRM environment through procfs"
>> 679 depends on PROC_FS
>> 680 help
>> 681 If you enable this option, a subdirectory inside /proc called
>> 682 /proc/srm_environment will give you access to the all important
>> 683 SRM environment variables (those which have a name) and also
>> 684 to all others (by their internal number).
>> 685
>> 686 SRM is something like a BIOS for Alpha machines. There are some
>> 687 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 688 support (hey, that's not SRM!).
>> 689
>> 690 Despite the fact that this driver doesn't work on all Alphas (but
>> 691 only on those which have SRM as their firmware), it's save to
>> 692 build it even if your particular machine doesn't know about SRM
>> 693 (or if you intend to compile a generic kernel). It will simply
>> 694 not create those subdirectory in /proc (and give you some warning,
>> 695 of course).
>> 696
>> 697 This driver is also available as a module and will be called
>> 698 srm_env then.
181 699
182 endmenu 700 endmenu
>> 701
>> 702 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 703 # but we also need it if VGA_HOSE is set
>> 704 config DUMMY_CONSOLE
>> 705 bool
>> 706 depends on VGA_HOSE
>> 707 default y
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