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_ASM_MODVERSIONS
>> 16 select HAVE_PCSPKR_PLATFORM
>> 17 select HAVE_PERF_EVENTS
>> 18 select NEED_DMA_MAP_STATE
>> 19 select NEED_SG_DMA_LENGTH
15 select GENERIC_IRQ_PROBE 20 select GENERIC_IRQ_PROBE
>> 21 select GENERIC_PCI_IOMAP
>> 22 select AUTO_IRQ_AFFINITY if SMP
16 select GENERIC_IRQ_SHOW 23 select GENERIC_IRQ_SHOW
17 select HAVE_ARCH_TRACEHOOK !! 24 select ARCH_WANT_IPC_PARSE_VERSION
18 select HAVE_ARCH_KGDB !! 25 select ARCH_HAVE_NMI_SAFE_CMPXCHG
19 select HAVE_PAGE_SIZE_4KB !! 26 select AUDIT_ARCH
20 select IRQ_DOMAIN !! 27 select GENERIC_CPU_VULNERABILITIES
21 select LOCK_MM_AND_FIND_VMA !! 28 select GENERIC_SMP_IDLE_THREAD
>> 29 select HAVE_ARCH_AUDITSYSCALL
>> 30 select HAVE_MOD_ARCH_SPECIFIC
22 select MODULES_USE_ELF_RELA 31 select MODULES_USE_ELF_RELA
23 select OF !! 32 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 33 select OLD_SIGSUSPEND
25 select SOC_BUS !! 34 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 35 select MMU_GATHER_NO_RANGE
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 36 select SPARSEMEM_EXTREME if SPARSEMEM
28 select CPU_NO_EFFICIENT_FFS !! 37 select ZONE_DMA
29 select MMU_GATHER_NO_RANGE if MMU !! 38 help
>> 39 The Alpha is a 64-bit general-purpose processor designed and
>> 40 marketed by the Digital Equipment Corporation of blessed memory,
>> 41 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 42 <http://www.alphalinux.org/>.
30 43
31 config GENERIC_CSUM !! 44 config 64BIT
32 def_bool y 45 def_bool y
33 46
34 config GENERIC_HWEIGHT !! 47 config MMU
35 def_bool y !! 48 bool
>> 49 default y
>> 50
>> 51 config ARCH_HAS_ILOG2_U32
>> 52 bool
>> 53 default n
>> 54
>> 55 config ARCH_HAS_ILOG2_U64
>> 56 bool
>> 57 default n
36 58
37 config GENERIC_CALIBRATE_DELAY 59 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 60 bool
>> 61 default y
39 62
40 config NO_IOPORT_MAP !! 63 config GENERIC_ISA_DMA
41 def_bool y !! 64 bool
>> 65 default y
42 66
43 config FPU !! 67 config PGTABLE_LEVELS
44 def_bool n !! 68 int
>> 69 default 3
45 70
46 menu "Kernel features" !! 71 config AUDIT_ARCH
>> 72 bool
47 73
48 source "kernel/Kconfig.hz" !! 74 menu "System setup"
49 75
50 config ARCH_FORCE_MAX_ORDER !! 76 choice
51 int "Order of maximal physically conti !! 77 prompt "Alpha system type"
52 default "10" !! 78 default ALPHA_GENERIC
53 help 79 help
54 The kernel page allocator limits the !! 80 This is the system type of your hardware. A "generic" kernel will
55 contiguous allocations. The limit is !! 81 run on any supported Alpha system. However, if you configure a
56 defines the maximal power of two of !! 82 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 83
61 Don't change if unsure. !! 84 To find out what type of Alpha system you have, you may want to
>> 85 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 86 <http://www.alphalinux.org/>. In summary:
62 87
63 endmenu !! 88 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 89 Alpha-XL XL-233, XL-266
>> 90 AlphaBook1 Alpha laptop
>> 91 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 92 Cabriolet AlphaPC64, AlphaPCI64
>> 93 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 94 EB164 EB164 21164 evaluation board
>> 95 EB64+ EB64+ 21064 evaluation board
>> 96 EB66 EB66 21066 evaluation board
>> 97 EB66+ EB66+ 21066 evaluation board
>> 98 Jensen DECpc 150, DEC 2000 models 300, 500
>> 99 LX164 AlphaPC164-LX
>> 100 Lynx AS 2100A
>> 101 Miata Personal Workstation 433/500/600 a/au
>> 102 Marvel AlphaServer ES47 / ES80 / GS1280
>> 103 Mikasa AS 1000
>> 104 Noname AXPpci33, UDB (Multia)
>> 105 Noritake AS 1000A, AS 600A, AS 800
>> 106 PC164 AlphaPC164
>> 107 Rawhide AS 1200, AS 4000, AS 4100
>> 108 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 109 SX164 AlphaPC164-SX
>> 110 Sable AS 2000, AS 2100
>> 111 Shark DS 20L
>> 112 Takara Takara (OEM)
>> 113 Titan AlphaServer ES45 / DS25 / DS15
>> 114 Wildfire AlphaServer GS 40/80/160/320
>> 115
>> 116 If you don't know what to do, choose "generic".
64 117
65 source "arch/nios2/platform/Kconfig.platform" !! 118 config ALPHA_GENERIC
>> 119 bool "Generic"
>> 120 depends on TTY
>> 121 select HAVE_EISA
>> 122 help
>> 123 A generic kernel will run on all supported Alpha hardware.
66 124
67 menu "Processor type and features" !! 125 config ALPHA_ALCOR
>> 126 bool "Alcor/Alpha-XLT"
>> 127 select HAVE_EISA
>> 128 help
>> 129 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 130 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 131 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 132 controller (256-bit memory bus) and a PCI interface. It also does
>> 133 all the work required to support an external Bcache and to maintain
>> 134 memory coherence when a PCI device DMAs into (or out of) memory.
68 135
69 config MMU !! 136 config ALPHA_XL
70 def_bool y !! 137 bool "Alpha-XL"
>> 138 help
>> 139 XL-233 and XL-266-based Alpha systems.
71 140
72 config NR_CPUS !! 141 config ALPHA_BOOK1
73 int !! 142 bool "AlphaBook1"
74 default "1" !! 143 help
>> 144 Dec AlphaBook1/Burns Alpha-based laptops.
75 145
76 config NIOS2_ALIGNMENT_TRAP !! 146 config ALPHA_AVANTI_CH
77 bool "Catch alignment trap" !! 147 bool "Avanti"
78 default y !! 148
>> 149 config ALPHA_CABRIOLET
>> 150 bool "Cabriolet"
79 help 151 help
80 Nios II CPUs cannot fetch/store data !! 152 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
81 i.e., a 2 or 4 byte fetch must start !! 153 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
82 2 or 4. Any non-aligned load/store i !! 154 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
83 emulated in software if you say Y he !! 155 Bcache SIMMs. Requires power supply with 3.3V output.
84 impact. <<
85 156
86 comment "Boot options" !! 157 config ALPHA_DP264
>> 158 bool "DP264"
>> 159 help
>> 160 Various 21264 systems with the tsunami core logic chipset.
>> 161 API Networks: 264DP, UP2000(+), CS20;
>> 162 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
87 163
88 config CMDLINE_BOOL !! 164 config ALPHA_EB164
89 bool "Default bootloader kernel argume !! 165 bool "EB164"
90 default y !! 166 help
>> 167 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 168 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 169 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 170 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 171 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 172 motherboard. Requires power supply with 3.3V output.
>> 173
>> 174 config ALPHA_EB64P_CH
>> 175 bool "EB64+"
91 176
92 config CMDLINE !! 177 config ALPHA_EB66
93 string "Default kernel command string" !! 178 bool "EB66"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 179 help
97 On some platforms, there is currentl !! 180 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
98 pass arguments to the kernel. For th !! 181 identical to EB64+. Baby PC-AT size. Runs from standard PC power
99 some command-line options at build t !! 182 supply. The EB66 schematic was published as a marketing poster
100 other cases you can specify kernel a !! 183 advertising the 21066 as "the first microprocessor in the world with
101 to set them up in board prom initial !! 184 embedded PCI".
102 185
103 config CMDLINE_FORCE !! 186 config ALPHA_EB66P
104 bool "Force default kernel command str !! 187 bool "EB66+"
105 depends on CMDLINE_BOOL <<
106 help 188 help
107 Set this to have arguments from the !! 189 Later variant of the EB66 board.
108 override those passed by the boot lo <<
109 190
110 config NIOS2_CMDLINE_IGNORE_DTB !! 191 config ALPHA_EIGER
111 bool "Ignore kernel command string fro !! 192 bool "Eiger"
112 depends on CMDLINE_BOOL !! 193 help
113 depends on !CMDLINE_FORCE !! 194 Apparently an obscure OEM single-board computer based on the
>> 195 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 196
>> 197 config ALPHA_JENSEN
>> 198 bool "Jensen"
>> 199 select HAVE_EISA
>> 200 help
>> 201 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 202 of the first-generation Alpha systems. A number of these systems
>> 203 seem to be available on the second- hand market. The Jensen is a
>> 204 floor-standing tower system which originally used a 150MHz 21064 It
>> 205 used programmable logic to interface a 486 EISA I/O bridge to the
>> 206 CPU.
>> 207
>> 208 config ALPHA_LX164
>> 209 bool "LX164"
>> 210 help
>> 211 A technical overview of this board is available at
>> 212 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 213
>> 214 config ALPHA_LYNX
>> 215 bool "Lynx"
>> 216 select HAVE_EISA
>> 217 help
>> 218 AlphaServer 2100A-based systems.
>> 219
>> 220 config ALPHA_MARVEL
>> 221 bool "Marvel"
>> 222 help
>> 223 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 224
>> 225 config ALPHA_MIATA
>> 226 bool "Miata"
>> 227 select HAVE_EISA
>> 228 help
>> 229 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 230 or 600au).
>> 231
>> 232 config ALPHA_MIKASA
>> 233 bool "Mikasa"
>> 234 help
>> 235 AlphaServer 1000-based Alpha systems.
>> 236
>> 237 config ALPHA_NAUTILUS
>> 238 bool "Nautilus"
>> 239 help
>> 240 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 241
>> 242 config ALPHA_NONAME_CH
>> 243 bool "Noname"
>> 244
>> 245 config ALPHA_NORITAKE
>> 246 bool "Noritake"
>> 247 select HAVE_EISA
>> 248 help
>> 249 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 250 systems.
>> 251
>> 252 config ALPHA_PC164
>> 253 bool "PC164"
>> 254
>> 255 config ALPHA_P2K
>> 256 bool "Platform2000"
>> 257
>> 258 config ALPHA_RAWHIDE
>> 259 bool "Rawhide"
>> 260 select HAVE_EISA
>> 261 help
>> 262 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 263 See HOWTO at
>> 264 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 265
>> 266 config ALPHA_RUFFIAN
>> 267 bool "Ruffian"
>> 268 help
>> 269 Samsung APC164UX. There is a page on known problems and workarounds
>> 270 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 271
>> 272 config ALPHA_RX164
>> 273 bool "RX164"
>> 274
>> 275 config ALPHA_SX164
>> 276 bool "SX164"
>> 277
>> 278 config ALPHA_SABLE
>> 279 bool "Sable"
>> 280 select HAVE_EISA
>> 281 help
>> 282 Digital AlphaServer 2000 and 2100-based systems.
>> 283
>> 284 config ALPHA_SHARK
>> 285 bool "Shark"
>> 286
>> 287 config ALPHA_TAKARA
>> 288 bool "Takara"
>> 289 help
>> 290 Alpha 11164-based OEM single-board computer.
>> 291
>> 292 config ALPHA_TITAN
>> 293 bool "Titan"
>> 294 help
>> 295 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 296
>> 297 config ALPHA_WILDFIRE
>> 298 bool "Wildfire"
>> 299 help
>> 300 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 301
>> 302 endchoice
>> 303
>> 304 # clear all implied options (don't want default values for those):
>> 305 # Most of these machines have ISA slots; not exactly sure which don't,
>> 306 # and this doesn't activate hordes of code, so do it always.
>> 307 config ISA
>> 308 bool
114 default y 309 default y
115 help 310 help
116 Set this to ignore the bootargs prop !! 311 Find out whether you have ISA slots on your motherboard. ISA is the
117 chosen node and fall back to CMDLINE !! 312 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 313 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 314 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 315 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 316
>> 317 config ISA_DMA_API
>> 318 bool
>> 319 default y
118 320
119 config NIOS2_PASS_CMDLINE !! 321 config ALPHA_NONAME
120 bool "Passed kernel command line from !! 322 bool
>> 323 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 324 default y
121 help 325 help
122 Use bootargs env variable from u-boo !! 326 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
123 will override "Default kernel comman !! 327 UDB). This design was produced by Digital's Technical OEM (TOEM)
124 Say N if you are unsure. !! 328 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 329 is a baby-AT size, and runs from a standard PC power supply. It has
>> 330 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 331 2 versions, with either PS/2 or large DIN connectors for the
>> 332 keyboard.
>> 333
>> 334 config ALPHA_EV4
>> 335 bool
>> 336 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
>> 337 default y if !ALPHA_LYNX
>> 338
>> 339 config ALPHA_LCA
>> 340 bool
>> 341 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 342 default y
>> 343
>> 344 config ALPHA_APECS
>> 345 bool
>> 346 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 347 default y
125 348
126 config NIOS2_BOOT_LINK_OFFSET !! 349 config ALPHA_EB64P
127 hex "Link address offset for booting" !! 350 bool
128 default "0x00500000" !! 351 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 352 default y
129 help 353 help
130 This option allows you to set the li !! 354 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
131 This can be useful if you are on a b !! 355 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
132 memory. !! 356 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 357 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 358 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 359 Runs from standard PC power supply.
>> 360
>> 361 config ALPHA_EV5
>> 362 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 363 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
>> 364
>> 365 config ALPHA_EV4
>> 366 bool
>> 367 default y if ALPHA_LYNX && !ALPHA_EV5
>> 368
>> 369 config ALPHA_CIA
>> 370 bool
>> 371 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
>> 372 default y
133 373
134 endmenu !! 374 config ALPHA_EV56
>> 375 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 376 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
135 377
136 menu "Advanced setup" !! 378 config ALPHA_EV56
>> 379 prompt "EV56 CPU (speed >= 333MHz)?"
>> 380 depends on ALPHA_NORITAKE || ALPHA_PRIMO
137 381
138 config ADVANCED_OPTIONS !! 382 config ALPHA_EV56
139 bool "Prompt for advanced kernel confi !! 383 prompt "EV56 CPU (speed >= 400MHz)?"
>> 384 depends on ALPHA_RAWHIDE
140 385
141 comment "Default settings for advanced configu !! 386 config ALPHA_PRIMO
142 depends on !ADVANCED_OPTIONS !! 387 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 388 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 389 help
>> 390 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
143 391
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 392 config ALPHA_GAMMA
145 bool "Set custom kernel MMU region bas !! 393 bool "EV5 CPU(s) (model 5/xxx)?"
146 depends on ADVANCED_OPTIONS !! 394 depends on ALPHA_SABLE
147 help 395 help
148 This option allows you to set the vi !! 396 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 397
>> 398 config ALPHA_GAMMA
>> 399 bool
>> 400 depends on ALPHA_LYNX
>> 401 default y
149 402
150 Say N here unless you know what you !! 403 config ALPHA_T2
>> 404 bool
>> 405 depends on ALPHA_SABLE || ALPHA_LYNX
>> 406 default y
>> 407
>> 408 config ALPHA_PYXIS
>> 409 bool
>> 410 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 411 default y
>> 412
>> 413 config ALPHA_EV6
>> 414 bool
>> 415 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 416 default y
>> 417
>> 418 config ALPHA_TSUNAMI
>> 419 bool
>> 420 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 421 default y
151 422
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 423 config ALPHA_EV67
153 hex "Virtual base address of the kerne !! 424 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
154 default "0x80000000" !! 425 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 426 help
>> 427 Is this a machine based on the EV67 core? If in doubt, select N here
>> 428 and the machine will be treated as an EV6.
>> 429
>> 430 config ALPHA_MCPCIA
>> 431 bool
>> 432 depends on ALPHA_RAWHIDE
>> 433 default y
>> 434
>> 435 config ALPHA_POLARIS
>> 436 bool
>> 437 depends on ALPHA_RX164
>> 438 default y
>> 439
>> 440 config ALPHA_IRONGATE
>> 441 bool
>> 442 depends on ALPHA_NAUTILUS
>> 443 default y
>> 444
>> 445 config GENERIC_HWEIGHT
>> 446 bool
>> 447 default y if !ALPHA_EV67
>> 448
>> 449 config ALPHA_AVANTI
>> 450 bool
>> 451 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 452 default y
155 help 453 help
156 This option allows you to set the vi !! 454 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 455 Alphas. Info at
>> 456 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 457
>> 458 config ALPHA_BROKEN_IRQ_MASK
>> 459 bool
>> 460 depends on ALPHA_GENERIC || ALPHA_PC164
>> 461 default y
>> 462
>> 463 config VGA_HOSE
>> 464 bool
>> 465 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 466 default y
>> 467 help
>> 468 Support VGA on an arbitrary hose; needed for several platforms
>> 469 which always have multiple hoses, and whose consoles support it.
>> 470
157 471
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 472 config ALPHA_QEMU
159 bool "Set custom kernel region base ad !! 473 bool "Run under QEMU emulation"
160 depends on ADVANCED_OPTIONS !! 474 depends on !ALPHA_GENERIC
161 help 475 help
162 This option allows you to set the vi !! 476 Assume the presence of special features supported by QEMU PALcode
>> 477 that reduce the overhead of system emulation.
163 478
164 Say N here unless you know what you !! 479 Generic kernels will auto-detect QEMU. But when building a
>> 480 system-specific kernel, the assumption is that we want to
>> 481 eliminate as many runtime tests as possible.
165 482
166 config NIOS2_KERNEL_REGION_BASE !! 483 If unsure, say N.
167 hex "Virtual base address of the kerne <<
168 default "0xc0000000" <<
169 484
170 config NIOS2_IO_REGION_BASE_BOOL !! 485
171 bool "Set custom I/O region base addre !! 486 config ALPHA_SRM
172 depends on ADVANCED_OPTIONS !! 487 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
>> 488 depends on TTY
>> 489 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 490 help
174 This option allows you to set the vi !! 491 There are two different types of booting firmware on Alphas: SRM,
>> 492 which is command line driven, and ARC, which uses menus and arrow
>> 493 keys. Details about the Linux/Alpha booting process are contained in
>> 494 the Linux/Alpha FAQ, accessible on the WWW from
>> 495 <http://www.alphalinux.org/>.
>> 496
>> 497 The usual way to load Linux on an Alpha machine is to use MILO
>> 498 (a bootloader that lets you pass command line parameters to the
>> 499 kernel just like lilo does for the x86 architecture) which can be
>> 500 loaded either from ARC or can be installed directly as a permanent
>> 501 firmware replacement from floppy (which requires changing a certain
>> 502 jumper on the motherboard). If you want to do either of these, say N
>> 503 here. If MILO doesn't work on your system (true for Jensen
>> 504 motherboards), you can bypass it altogether and boot Linux directly
>> 505 from an SRM console; say Y here in order to do that. Note that you
>> 506 won't be able to boot from an IDE disk using SRM.
175 507
176 Say N here unless you know what you !! 508 If unsure, say N.
>> 509
>> 510 config ARCH_MAY_HAVE_PC_FDC
>> 511 def_bool y
177 512
178 config NIOS2_IO_REGION_BASE !! 513 config SMP
179 hex "Virtual base address of the I/O r !! 514 bool "Symmetric multi-processing support"
180 default "0xe0000000" !! 515 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 516 help
>> 517 This enables support for systems with more than one CPU. If you have
>> 518 a system with only one CPU, say N. If you have a system with more
>> 519 than one CPU, say Y.
>> 520
>> 521 If you say N here, the kernel will run on uni- and multiprocessor
>> 522 machines, but will use only one CPU of a multiprocessor machine. If
>> 523 you say Y here, the kernel will run on many, but not all,
>> 524 uniprocessor machines. On a uniprocessor machine, the kernel
>> 525 will run faster if you say N here.
>> 526
>> 527 See also the SMP-HOWTO available at
>> 528 <https://www.tldp.org/docs.html#howto>.
>> 529
>> 530 If you don't know what to do here, say N.
>> 531
>> 532 config NR_CPUS
>> 533 int "Maximum number of CPUs (2-32)"
>> 534 range 2 32
>> 535 depends on SMP
>> 536 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 537 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 538 help
>> 539 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 540 with working support have a maximum of 4 CPUs.
>> 541
>> 542 config ARCH_SPARSEMEM_ENABLE
>> 543 bool "Sparse Memory Support"
>> 544 help
>> 545 Say Y to support efficient handling of discontiguous physical memory,
>> 546 for systems that have huge holes in the physical address space.
>> 547
>> 548 config ALPHA_WTINT
>> 549 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 550 default y if ALPHA_QEMU
>> 551 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 552 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 553 default y if SMP
>> 554 help
>> 555 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 556 to sleep until the next interrupt. This may reduce the power
>> 557 consumed, and the heat produced by the computer. However, it has
>> 558 the side effect of making the cycle counter unreliable as a timing
>> 559 device across the sleep.
>> 560
>> 561 For emulation under QEMU, definitely say Y here, as we have other
>> 562 mechanisms for measuring time than the cycle counter.
>> 563
>> 564 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 565 MILO, sleep mode is not supported so you might as well say N here.
>> 566
>> 567 For SMP systems we cannot use the cycle counter for timing anyway,
>> 568 so you might as well say Y here.
>> 569
>> 570 If unsure, say N.
>> 571
>> 572 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 573 config ALPHA_LARGE_VMALLOC
>> 574 bool
>> 575 help
>> 576 Process creation and other aspects of virtual memory management can
>> 577 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 578 allocations. This equates to about 8GB.
>> 579
>> 580 Under normal circumstances, this is so far and above what is needed
>> 581 as to be laughable. However, there are certain applications (such
>> 582 as benchmark-grade in-kernel web serving) that can make use of as
>> 583 much vmalloc space as is available.
>> 584
>> 585 Say N unless you know you need gobs and gobs of vmalloc space.
>> 586
>> 587 config VERBOSE_MCHECK
>> 588 bool "Verbose Machine Checks"
>> 589
>> 590 config VERBOSE_MCHECK_ON
>> 591 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 592 depends on VERBOSE_MCHECK
>> 593 default 1
>> 594 help
>> 595 This option allows the default printing mode to be set, and then
>> 596 possibly overridden by a boot command argument.
>> 597
>> 598 For example, if one wanted the option of printing verbose
>> 599 machine checks, but wanted the default to be as if verbose
>> 600 machine check printing was turned off, then one would choose
>> 601 the printing mode to be 0. Then, upon reboot, one could add
>> 602 the boot command line "verbose_mcheck=1" to get the normal
>> 603 verbose machine check printing, or "verbose_mcheck=2" to get
>> 604 the maximum information available.
>> 605
>> 606 Take the default (1) unless you want more control or more info.
>> 607
>> 608 choice
>> 609 prompt "Timer interrupt frequency (HZ)?"
>> 610 default HZ_128 if ALPHA_QEMU
>> 611 default HZ_1200 if ALPHA_RAWHIDE
>> 612 default HZ_1024
>> 613 help
>> 614 The frequency at which timer interrupts occur. A high frequency
>> 615 minimizes latency, whereas a low frequency minimizes overhead of
>> 616 process accounting. The later effect is especially significant
>> 617 when being run under QEMU.
>> 618
>> 619 Note that some Alpha hardware cannot change the interrupt frequency
>> 620 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 621
>> 622 config HZ_32
>> 623 bool "32 Hz"
>> 624 config HZ_64
>> 625 bool "64 Hz"
>> 626 config HZ_128
>> 627 bool "128 Hz"
>> 628 config HZ_256
>> 629 bool "256 Hz"
>> 630 config HZ_1024
>> 631 bool "1024 Hz"
>> 632 config HZ_1200
>> 633 bool "1200 Hz"
>> 634 endchoice
>> 635
>> 636 config HZ
>> 637 int
>> 638 default 32 if HZ_32
>> 639 default 64 if HZ_64
>> 640 default 128 if HZ_128
>> 641 default 256 if HZ_256
>> 642 default 1200 if HZ_1200
>> 643 default 1024
>> 644
>> 645 config SRM_ENV
>> 646 tristate "SRM environment through procfs"
>> 647 depends on PROC_FS
>> 648 help
>> 649 If you enable this option, a subdirectory inside /proc called
>> 650 /proc/srm_environment will give you access to the all important
>> 651 SRM environment variables (those which have a name) and also
>> 652 to all others (by their internal number).
>> 653
>> 654 SRM is something like a BIOS for Alpha machines. There are some
>> 655 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 656 support (hey, that's not SRM!).
>> 657
>> 658 Despite the fact that this driver doesn't work on all Alphas (but
>> 659 only on those which have SRM as their firmware), it's save to
>> 660 build it even if your particular machine doesn't know about SRM
>> 661 (or if you intend to compile a generic kernel). It will simply
>> 662 not create those subdirectory in /proc (and give you some warning,
>> 663 of course).
>> 664
>> 665 This driver is also available as a module and will be called
>> 666 srm_env then.
181 667
182 endmenu 668 endmenu
>> 669
>> 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
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