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_HAS_CURRENT_STACK_POINTER
7 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 7 select ARCH_MIGHT_HAVE_PC_PARPORT
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8 select ARCH_MIGHT_HAVE_PC_SERIO
9 select ARCH_HAS_DMA_SET_UNCACHED !! 9 select ARCH_NO_PREEMPT
10 select ARCH_NO_SWAP !! 10 select ARCH_NO_SG_CHAIN
11 select COMMON_CLK !! 11 select ARCH_USE_CMPXCHG_LOCKREF
12 select TIMER_OF !! 12 select DMA_OPS if PCI
13 select GENERIC_ATOMIC64 !! 13 select FORCE_PCI if !ALPHA_JENSEN
14 select GENERIC_CPU_DEVICES !! 14 select PCI_DOMAINS if PCI
>> 15 select PCI_SYSCALL if PCI
>> 16 select HAVE_ASM_MODVERSIONS
>> 17 select HAVE_PCSPKR_PLATFORM
>> 18 select HAVE_PERF_EVENTS
>> 19 select NEED_DMA_MAP_STATE
>> 20 select NEED_SG_DMA_LENGTH
15 select GENERIC_IRQ_PROBE 21 select GENERIC_IRQ_PROBE
>> 22 select GENERIC_PCI_IOMAP
>> 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_CPU_VULNERABILITIES
>> 29 select GENERIC_SMP_IDLE_THREAD
>> 30 select HAS_IOPORT
>> 31 select HAVE_ARCH_AUDITSYSCALL
>> 32 select HAVE_MOD_ARCH_SPECIFIC
21 select LOCK_MM_AND_FIND_VMA 33 select LOCK_MM_AND_FIND_VMA
22 select MODULES_USE_ELF_RELA 34 select MODULES_USE_ELF_RELA
23 select OF !! 35 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 36 select OLD_SIGSUSPEND
25 select SOC_BUS !! 37 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 38 select MMU_GATHER_NO_RANGE
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 39 select SPARSEMEM_EXTREME if SPARSEMEM
28 select CPU_NO_EFFICIENT_FFS !! 40 select ZONE_DMA
29 select MMU_GATHER_NO_RANGE if MMU !! 41 help
>> 42 The Alpha is a 64-bit general-purpose processor designed and
>> 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 GENERIC_ISA_DMA
41 def_bool y !! 67 bool
>> 68 default y
42 69
43 config FPU !! 70 config PGTABLE_LEVELS
44 def_bool n !! 71 int
>> 72 default 3
45 73
46 menu "Kernel features" !! 74 config AUDIT_ARCH
>> 75 bool
47 76
48 source "kernel/Kconfig.hz" !! 77 menu "System setup"
49 78
50 config ARCH_FORCE_MAX_ORDER !! 79 choice
51 int "Order of maximal physically conti !! 80 prompt "Alpha system type"
52 default "10" !! 81 default ALPHA_GENERIC
53 help 82 help
54 The kernel page allocator limits the !! 83 This is the system type of your hardware. A "generic" kernel will
55 contiguous allocations. The limit is !! 84 run on any supported Alpha system. However, if you configure a
56 defines the maximal power of two of !! 85 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 86
61 Don't change if unsure. !! 87 To find out what type of Alpha system you have, you may want to
>> 88 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 89 <http://www.alphalinux.org/>. In summary:
62 90
63 endmenu !! 91 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 92 Alpha-XL XL-233, XL-266
>> 93 AlphaBook1 Alpha laptop
>> 94 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 95 Cabriolet AlphaPC64, AlphaPCI64
>> 96 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 97 EB164 EB164 21164 evaluation board
>> 98 EB64+ EB64+ 21064 evaluation board
>> 99 EB66 EB66 21066 evaluation board
>> 100 EB66+ EB66+ 21066 evaluation board
>> 101 Jensen DECpc 150, DEC 2000 models 300, 500
>> 102 LX164 AlphaPC164-LX
>> 103 Lynx AS 2100A
>> 104 Miata Personal Workstation 433/500/600 a/au
>> 105 Marvel AlphaServer ES47 / ES80 / GS1280
>> 106 Mikasa AS 1000
>> 107 Noname AXPpci33, UDB (Multia)
>> 108 Noritake AS 1000A, AS 600A, AS 800
>> 109 PC164 AlphaPC164
>> 110 Rawhide AS 1200, AS 4000, AS 4100
>> 111 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 112 SX164 AlphaPC164-SX
>> 113 Sable AS 2000, AS 2100
>> 114 Shark DS 20L
>> 115 Takara Takara (OEM)
>> 116 Titan AlphaServer ES45 / DS25 / DS15
>> 117 Wildfire AlphaServer GS 40/80/160/320
>> 118
>> 119 If you don't know what to do, choose "generic".
64 120
65 source "arch/nios2/platform/Kconfig.platform" !! 121 config ALPHA_GENERIC
>> 122 bool "Generic"
>> 123 depends on TTY
>> 124 select HAVE_EISA
>> 125 help
>> 126 A generic kernel will run on all supported Alpha hardware.
66 127
67 menu "Processor type and features" !! 128 config ALPHA_ALCOR
>> 129 bool "Alcor/Alpha-XLT"
>> 130 select HAVE_EISA
>> 131 help
>> 132 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 133 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 134 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 135 controller (256-bit memory bus) and a PCI interface. It also does
>> 136 all the work required to support an external Bcache and to maintain
>> 137 memory coherence when a PCI device DMAs into (or out of) memory.
68 138
69 config MMU !! 139 config ALPHA_XL
70 def_bool y !! 140 bool "Alpha-XL"
>> 141 help
>> 142 XL-233 and XL-266-based Alpha systems.
71 143
72 config NR_CPUS !! 144 config ALPHA_BOOK1
73 int !! 145 bool "AlphaBook1"
74 default "1" !! 146 help
>> 147 Dec AlphaBook1/Burns Alpha-based laptops.
75 148
76 config NIOS2_ALIGNMENT_TRAP !! 149 config ALPHA_AVANTI_CH
77 bool "Catch alignment trap" !! 150 bool "Avanti"
78 default y !! 151
>> 152 config ALPHA_CABRIOLET
>> 153 bool "Cabriolet"
79 help 154 help
80 Nios II CPUs cannot fetch/store data !! 155 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
81 i.e., a 2 or 4 byte fetch must start !! 156 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
82 2 or 4. Any non-aligned load/store i !! 157 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
83 emulated in software if you say Y he !! 158 Bcache SIMMs. Requires power supply with 3.3V output.
84 impact. <<
85 159
86 comment "Boot options" !! 160 config ALPHA_DP264
>> 161 bool "DP264"
>> 162 help
>> 163 Various 21264 systems with the tsunami core logic chipset.
>> 164 API Networks: 264DP, UP2000(+), CS20;
>> 165 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
87 166
88 config CMDLINE_BOOL !! 167 config ALPHA_EB164
89 bool "Default bootloader kernel argume !! 168 bool "EB164"
90 default y !! 169 help
>> 170 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 171 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 172 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 173 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 174 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 175 motherboard. Requires power supply with 3.3V output.
>> 176
>> 177 config ALPHA_EB64P_CH
>> 178 bool "EB64+"
91 179
92 config CMDLINE !! 180 config ALPHA_EB66
93 string "Default kernel command string" !! 181 bool "EB66"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 182 help
97 On some platforms, there is currentl !! 183 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
98 pass arguments to the kernel. For th !! 184 identical to EB64+. Baby PC-AT size. Runs from standard PC power
99 some command-line options at build t !! 185 supply. The EB66 schematic was published as a marketing poster
100 other cases you can specify kernel a !! 186 advertising the 21066 as "the first microprocessor in the world with
101 to set them up in board prom initial !! 187 embedded PCI".
102 188
103 config CMDLINE_FORCE !! 189 config ALPHA_EB66P
104 bool "Force default kernel command str !! 190 bool "EB66+"
105 depends on CMDLINE_BOOL <<
106 help 191 help
107 Set this to have arguments from the !! 192 Later variant of the EB66 board.
108 override those passed by the boot lo <<
109 193
110 config NIOS2_CMDLINE_IGNORE_DTB !! 194 config ALPHA_EIGER
111 bool "Ignore kernel command string fro !! 195 bool "Eiger"
112 depends on CMDLINE_BOOL !! 196 help
113 depends on !CMDLINE_FORCE !! 197 Apparently an obscure OEM single-board computer based on the
>> 198 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 199
>> 200 config ALPHA_JENSEN
>> 201 bool "Jensen"
>> 202 select HAVE_EISA
>> 203 help
>> 204 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 205 of the first-generation Alpha systems. A number of these systems
>> 206 seem to be available on the second- hand market. The Jensen is a
>> 207 floor-standing tower system which originally used a 150MHz 21064 It
>> 208 used programmable logic to interface a 486 EISA I/O bridge to the
>> 209 CPU.
>> 210
>> 211 config ALPHA_LX164
>> 212 bool "LX164"
>> 213 help
>> 214 A technical overview of this board is available at
>> 215 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 216
>> 217 config ALPHA_LYNX
>> 218 bool "Lynx"
>> 219 select HAVE_EISA
>> 220 help
>> 221 AlphaServer 2100A-based systems.
>> 222
>> 223 config ALPHA_MARVEL
>> 224 bool "Marvel"
>> 225 help
>> 226 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 227
>> 228 config ALPHA_MIATA
>> 229 bool "Miata"
>> 230 select HAVE_EISA
>> 231 help
>> 232 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 233 or 600au).
>> 234
>> 235 config ALPHA_MIKASA
>> 236 bool "Mikasa"
>> 237 help
>> 238 AlphaServer 1000-based Alpha systems.
>> 239
>> 240 config ALPHA_NAUTILUS
>> 241 bool "Nautilus"
>> 242 help
>> 243 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 244
>> 245 config ALPHA_NONAME_CH
>> 246 bool "Noname"
>> 247
>> 248 config ALPHA_NORITAKE
>> 249 bool "Noritake"
>> 250 select HAVE_EISA
>> 251 help
>> 252 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 253 systems.
>> 254
>> 255 config ALPHA_PC164
>> 256 bool "PC164"
>> 257
>> 258 config ALPHA_P2K
>> 259 bool "Platform2000"
>> 260
>> 261 config ALPHA_RAWHIDE
>> 262 bool "Rawhide"
>> 263 select HAVE_EISA
>> 264 help
>> 265 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 266 See HOWTO at
>> 267 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 268
>> 269 config ALPHA_RUFFIAN
>> 270 bool "Ruffian"
>> 271 help
>> 272 Samsung APC164UX. There is a page on known problems and workarounds
>> 273 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 274
>> 275 config ALPHA_RX164
>> 276 bool "RX164"
>> 277
>> 278 config ALPHA_SX164
>> 279 bool "SX164"
>> 280
>> 281 config ALPHA_SABLE
>> 282 bool "Sable"
>> 283 select HAVE_EISA
>> 284 help
>> 285 Digital AlphaServer 2000 and 2100-based systems.
>> 286
>> 287 config ALPHA_SHARK
>> 288 bool "Shark"
>> 289
>> 290 config ALPHA_TAKARA
>> 291 bool "Takara"
>> 292 help
>> 293 Alpha 11164-based OEM single-board computer.
>> 294
>> 295 config ALPHA_TITAN
>> 296 bool "Titan"
>> 297 help
>> 298 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 299
>> 300 config ALPHA_WILDFIRE
>> 301 bool "Wildfire"
>> 302 help
>> 303 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 304
>> 305 endchoice
>> 306
>> 307 # clear all implied options (don't want default values for those):
>> 308 # Most of these machines have ISA slots; not exactly sure which don't,
>> 309 # and this doesn't activate hordes of code, so do it always.
>> 310 config ISA
>> 311 bool
114 default y 312 default y
115 help 313 help
116 Set this to ignore the bootargs prop !! 314 Find out whether you have ISA slots on your motherboard. ISA is the
117 chosen node and fall back to CMDLINE !! 315 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 316 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 317 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 318 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 319
>> 320 config ISA_DMA_API
>> 321 bool
>> 322 default y
118 323
119 config NIOS2_PASS_CMDLINE !! 324 config ALPHA_NONAME
120 bool "Passed kernel command line from !! 325 bool
>> 326 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 327 default y
121 help 328 help
122 Use bootargs env variable from u-boo !! 329 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
123 will override "Default kernel comman !! 330 UDB). This design was produced by Digital's Technical OEM (TOEM)
124 Say N if you are unsure. !! 331 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 332 is a baby-AT size, and runs from a standard PC power supply. It has
>> 333 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 334 2 versions, with either PS/2 or large DIN connectors for the
>> 335 keyboard.
>> 336
>> 337 config ALPHA_EV4
>> 338 bool
>> 339 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
>> 340 default y if !ALPHA_LYNX
>> 341
>> 342 config ALPHA_LCA
>> 343 bool
>> 344 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 345 default y
>> 346
>> 347 config ALPHA_APECS
>> 348 bool
>> 349 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 350 default y
125 351
126 config NIOS2_BOOT_LINK_OFFSET !! 352 config ALPHA_EB64P
127 hex "Link address offset for booting" !! 353 bool
128 default "0x00500000" !! 354 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 355 default y
129 help 356 help
130 This option allows you to set the li !! 357 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
131 This can be useful if you are on a b !! 358 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
132 memory. !! 359 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 360 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 361 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 362 Runs from standard PC power supply.
>> 363
>> 364 config ALPHA_EV5
>> 365 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 366 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
>> 367
>> 368 config ALPHA_EV4
>> 369 bool
>> 370 default y if ALPHA_LYNX && !ALPHA_EV5
>> 371
>> 372 config ALPHA_CIA
>> 373 bool
>> 374 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
>> 375 default y
133 376
134 endmenu !! 377 config ALPHA_EV56
>> 378 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 379 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
135 380
136 menu "Advanced setup" !! 381 config ALPHA_EV56
>> 382 prompt "EV56 CPU (speed >= 333MHz)?"
>> 383 depends on ALPHA_NORITAKE || ALPHA_PRIMO
137 384
138 config ADVANCED_OPTIONS !! 385 config ALPHA_EV56
139 bool "Prompt for advanced kernel confi !! 386 prompt "EV56 CPU (speed >= 400MHz)?"
>> 387 depends on ALPHA_RAWHIDE
140 388
141 comment "Default settings for advanced configu !! 389 config ALPHA_PRIMO
142 depends on !ADVANCED_OPTIONS !! 390 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 391 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 392 help
>> 393 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
143 394
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 395 config ALPHA_GAMMA
145 bool "Set custom kernel MMU region bas !! 396 bool "EV5 CPU(s) (model 5/xxx)?"
146 depends on ADVANCED_OPTIONS !! 397 depends on ALPHA_SABLE
147 help 398 help
148 This option allows you to set the vi !! 399 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 400
>> 401 config ALPHA_GAMMA
>> 402 bool
>> 403 depends on ALPHA_LYNX
>> 404 default y
149 405
150 Say N here unless you know what you !! 406 config ALPHA_T2
>> 407 bool
>> 408 depends on ALPHA_SABLE || ALPHA_LYNX
>> 409 default y
>> 410
>> 411 config ALPHA_PYXIS
>> 412 bool
>> 413 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 414 default y
>> 415
>> 416 config ALPHA_EV6
>> 417 bool
>> 418 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 419 default y
>> 420
>> 421 config ALPHA_TSUNAMI
>> 422 bool
>> 423 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 424 default y
151 425
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 426 config ALPHA_EV67
153 hex "Virtual base address of the kerne !! 427 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
154 default "0x80000000" !! 428 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 429 help
>> 430 Is this a machine based on the EV67 core? If in doubt, select N here
>> 431 and the machine will be treated as an EV6.
>> 432
>> 433 config ALPHA_MCPCIA
>> 434 bool
>> 435 depends on ALPHA_RAWHIDE
>> 436 default y
>> 437
>> 438 config ALPHA_POLARIS
>> 439 bool
>> 440 depends on ALPHA_RX164
>> 441 default y
>> 442
>> 443 config ALPHA_IRONGATE
>> 444 bool
>> 445 depends on ALPHA_NAUTILUS
>> 446 default y
>> 447
>> 448 config GENERIC_HWEIGHT
>> 449 bool
>> 450 default y if !ALPHA_EV67
>> 451
>> 452 config ALPHA_AVANTI
>> 453 bool
>> 454 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 455 default y
155 help 456 help
156 This option allows you to set the vi !! 457 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 458 Alphas. Info at
>> 459 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 460
>> 461 config ALPHA_BROKEN_IRQ_MASK
>> 462 bool
>> 463 depends on ALPHA_GENERIC || ALPHA_PC164
>> 464 default y
>> 465
>> 466 config VGA_HOSE
>> 467 bool
>> 468 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 469 default y
>> 470 help
>> 471 Support VGA on an arbitrary hose; needed for several platforms
>> 472 which always have multiple hoses, and whose consoles support it.
>> 473
157 474
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 475 config ALPHA_QEMU
159 bool "Set custom kernel region base ad !! 476 bool "Run under QEMU emulation"
160 depends on ADVANCED_OPTIONS !! 477 depends on !ALPHA_GENERIC
161 help 478 help
162 This option allows you to set the vi !! 479 Assume the presence of special features supported by QEMU PALcode
>> 480 that reduce the overhead of system emulation.
163 481
164 Say N here unless you know what you !! 482 Generic kernels will auto-detect QEMU. But when building a
>> 483 system-specific kernel, the assumption is that we want to
>> 484 eliminate as many runtime tests as possible.
165 485
166 config NIOS2_KERNEL_REGION_BASE !! 486 If unsure, say N.
167 hex "Virtual base address of the kerne <<
168 default "0xc0000000" <<
169 487
170 config NIOS2_IO_REGION_BASE_BOOL !! 488
171 bool "Set custom I/O region base addre !! 489 config ALPHA_SRM
172 depends on ADVANCED_OPTIONS !! 490 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
>> 491 depends on TTY
>> 492 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 493 help
174 This option allows you to set the vi !! 494 There are two different types of booting firmware on Alphas: SRM,
>> 495 which is command line driven, and ARC, which uses menus and arrow
>> 496 keys. Details about the Linux/Alpha booting process are contained in
>> 497 the Linux/Alpha FAQ, accessible on the WWW from
>> 498 <http://www.alphalinux.org/>.
>> 499
>> 500 The usual way to load Linux on an Alpha machine is to use MILO
>> 501 (a bootloader that lets you pass command line parameters to the
>> 502 kernel just like lilo does for the x86 architecture) which can be
>> 503 loaded either from ARC or can be installed directly as a permanent
>> 504 firmware replacement from floppy (which requires changing a certain
>> 505 jumper on the motherboard). If you want to do either of these, say N
>> 506 here. If MILO doesn't work on your system (true for Jensen
>> 507 motherboards), you can bypass it altogether and boot Linux directly
>> 508 from an SRM console; say Y here in order to do that. Note that you
>> 509 won't be able to boot from an IDE disk using SRM.
175 510
176 Say N here unless you know what you !! 511 If unsure, say N.
>> 512
>> 513 config ARCH_MAY_HAVE_PC_FDC
>> 514 def_bool y
177 515
178 config NIOS2_IO_REGION_BASE !! 516 config SMP
179 hex "Virtual base address of the I/O r !! 517 bool "Symmetric multi-processing support"
180 default "0xe0000000" !! 518 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 519 help
>> 520 This enables support for systems with more than one CPU. If you have
>> 521 a system with only one CPU, say N. If you have a system with more
>> 522 than one CPU, say Y.
>> 523
>> 524 If you say N here, the kernel will run on uni- and multiprocessor
>> 525 machines, but will use only one CPU of a multiprocessor machine. If
>> 526 you say Y here, the kernel will run on many, but not all,
>> 527 uniprocessor machines. On a uniprocessor machine, the kernel
>> 528 will run faster if you say N here.
>> 529
>> 530 See also the SMP-HOWTO available at
>> 531 <https://www.tldp.org/docs.html#howto>.
>> 532
>> 533 If you don't know what to do here, say N.
>> 534
>> 535 config NR_CPUS
>> 536 int "Maximum number of CPUs (2-32)"
>> 537 range 2 32
>> 538 depends on SMP
>> 539 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 540 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 541 help
>> 542 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 543 with working support have a maximum of 4 CPUs.
>> 544
>> 545 config ARCH_SPARSEMEM_ENABLE
>> 546 bool "Sparse Memory Support"
>> 547 help
>> 548 Say Y to support efficient handling of discontiguous physical memory,
>> 549 for systems that have huge holes in the physical address space.
>> 550
>> 551 config ALPHA_WTINT
>> 552 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 553 default y if ALPHA_QEMU
>> 554 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 555 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 556 default y if SMP
>> 557 help
>> 558 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 559 to sleep until the next interrupt. This may reduce the power
>> 560 consumed, and the heat produced by the computer. However, it has
>> 561 the side effect of making the cycle counter unreliable as a timing
>> 562 device across the sleep.
>> 563
>> 564 For emulation under QEMU, definitely say Y here, as we have other
>> 565 mechanisms for measuring time than the cycle counter.
>> 566
>> 567 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 568 MILO, sleep mode is not supported so you might as well say N here.
>> 569
>> 570 For SMP systems we cannot use the cycle counter for timing anyway,
>> 571 so you might as well say Y here.
>> 572
>> 573 If unsure, say N.
>> 574
>> 575 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 576 config ALPHA_LARGE_VMALLOC
>> 577 bool
>> 578 help
>> 579 Process creation and other aspects of virtual memory management can
>> 580 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 581 allocations. This equates to about 8GB.
>> 582
>> 583 Under normal circumstances, this is so far and above what is needed
>> 584 as to be laughable. However, there are certain applications (such
>> 585 as benchmark-grade in-kernel web serving) that can make use of as
>> 586 much vmalloc space as is available.
>> 587
>> 588 Say N unless you know you need gobs and gobs of vmalloc space.
>> 589
>> 590 config VERBOSE_MCHECK
>> 591 bool "Verbose Machine Checks"
>> 592
>> 593 config VERBOSE_MCHECK_ON
>> 594 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 595 depends on VERBOSE_MCHECK
>> 596 default 1
>> 597 help
>> 598 This option allows the default printing mode to be set, and then
>> 599 possibly overridden by a boot command argument.
>> 600
>> 601 For example, if one wanted the option of printing verbose
>> 602 machine checks, but wanted the default to be as if verbose
>> 603 machine check printing was turned off, then one would choose
>> 604 the printing mode to be 0. Then, upon reboot, one could add
>> 605 the boot command line "verbose_mcheck=1" to get the normal
>> 606 verbose machine check printing, or "verbose_mcheck=2" to get
>> 607 the maximum information available.
>> 608
>> 609 Take the default (1) unless you want more control or more info.
>> 610
>> 611 choice
>> 612 prompt "Timer interrupt frequency (HZ)?"
>> 613 default HZ_128 if ALPHA_QEMU
>> 614 default HZ_1200 if ALPHA_RAWHIDE
>> 615 default HZ_1024
>> 616 help
>> 617 The frequency at which timer interrupts occur. A high frequency
>> 618 minimizes latency, whereas a low frequency minimizes overhead of
>> 619 process accounting. The later effect is especially significant
>> 620 when being run under QEMU.
>> 621
>> 622 Note that some Alpha hardware cannot change the interrupt frequency
>> 623 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 624
>> 625 config HZ_32
>> 626 bool "32 Hz"
>> 627 config HZ_64
>> 628 bool "64 Hz"
>> 629 config HZ_128
>> 630 bool "128 Hz"
>> 631 config HZ_256
>> 632 bool "256 Hz"
>> 633 config HZ_1024
>> 634 bool "1024 Hz"
>> 635 config HZ_1200
>> 636 bool "1200 Hz"
>> 637 endchoice
>> 638
>> 639 config HZ
>> 640 int
>> 641 default 32 if HZ_32
>> 642 default 64 if HZ_64
>> 643 default 128 if HZ_128
>> 644 default 256 if HZ_256
>> 645 default 1200 if HZ_1200
>> 646 default 1024
>> 647
>> 648 config SRM_ENV
>> 649 tristate "SRM environment through procfs"
>> 650 depends on PROC_FS
>> 651 help
>> 652 If you enable this option, a subdirectory inside /proc called
>> 653 /proc/srm_environment will give you access to the all important
>> 654 SRM environment variables (those which have a name) and also
>> 655 to all others (by their internal number).
>> 656
>> 657 SRM is something like a BIOS for Alpha machines. There are some
>> 658 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 659 support (hey, that's not SRM!).
>> 660
>> 661 Despite the fact that this driver doesn't work on all Alphas (but
>> 662 only on those which have SRM as their firmware), it's save to
>> 663 build it even if your particular machine doesn't know about SRM
>> 664 (or if you intend to compile a generic kernel). It will simply
>> 665 not create those subdirectory in /proc (and give you some warning,
>> 666 of course).
>> 667
>> 668 This driver is also available as a module and will be called
>> 669 srm_env then.
181 670
182 endmenu 671 endmenu
>> 672
>> 673 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 674 # but we also need it if VGA_HOSE is set
>> 675 config DUMMY_CONSOLE
>> 676 bool
>> 677 depends on VGA_HOSE
>> 678 default y
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