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
>> 28 select GENERIC_SMP_IDLE_THREAD
>> 29 select HAVE_ARCH_AUDITSYSCALL
>> 30 select HAVE_MOD_ARCH_SPECIFIC
21 select LOCK_MM_AND_FIND_VMA 31 select LOCK_MM_AND_FIND_VMA
22 select MODULES_USE_ELF_RELA 32 select MODULES_USE_ELF_RELA
23 select OF !! 33 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 34 select OLD_SIGSUSPEND
25 select SOC_BUS !! 35 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 36 select MMU_GATHER_NO_RANGE
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 37 select SPARSEMEM_EXTREME if SPARSEMEM
28 select CPU_NO_EFFICIENT_FFS !! 38 select ZONE_DMA
29 select MMU_GATHER_NO_RANGE if MMU !! 39 help
>> 40 The Alpha is a 64-bit general-purpose processor designed and
>> 41 marketed by the Digital Equipment Corporation of blessed memory,
>> 42 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 43 <http://www.alphalinux.org/>.
30 44
31 config GENERIC_CSUM !! 45 config 64BIT
32 def_bool y 46 def_bool y
33 47
34 config GENERIC_HWEIGHT !! 48 config MMU
35 def_bool y !! 49 bool
>> 50 default y
>> 51
>> 52 config ARCH_HAS_ILOG2_U32
>> 53 bool
>> 54 default n
>> 55
>> 56 config ARCH_HAS_ILOG2_U64
>> 57 bool
>> 58 default n
36 59
37 config GENERIC_CALIBRATE_DELAY 60 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 61 bool
>> 62 default y
39 63
40 config NO_IOPORT_MAP !! 64 config GENERIC_ISA_DMA
41 def_bool y !! 65 bool
>> 66 default y
42 67
43 config FPU !! 68 config PGTABLE_LEVELS
44 def_bool n !! 69 int
>> 70 default 3
45 71
46 menu "Kernel features" !! 72 config AUDIT_ARCH
>> 73 bool
47 74
48 source "kernel/Kconfig.hz" !! 75 menu "System setup"
49 76
50 config ARCH_FORCE_MAX_ORDER !! 77 choice
51 int "Order of maximal physically conti !! 78 prompt "Alpha system type"
52 default "10" !! 79 default ALPHA_GENERIC
53 help 80 help
54 The kernel page allocator limits the !! 81 This is the system type of your hardware. A "generic" kernel will
55 contiguous allocations. The limit is !! 82 run on any supported Alpha system. However, if you configure a
56 defines the maximal power of two of !! 83 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 84
61 Don't change if unsure. !! 85 To find out what type of Alpha system you have, you may want to
>> 86 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 87 <http://www.alphalinux.org/>. In summary:
62 88
63 endmenu !! 89 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 90 Alpha-XL XL-233, XL-266
>> 91 AlphaBook1 Alpha laptop
>> 92 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 93 Cabriolet AlphaPC64, AlphaPCI64
>> 94 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 95 EB164 EB164 21164 evaluation board
>> 96 EB64+ EB64+ 21064 evaluation board
>> 97 EB66 EB66 21066 evaluation board
>> 98 EB66+ EB66+ 21066 evaluation board
>> 99 Jensen DECpc 150, DEC 2000 models 300, 500
>> 100 LX164 AlphaPC164-LX
>> 101 Lynx AS 2100A
>> 102 Miata Personal Workstation 433/500/600 a/au
>> 103 Marvel AlphaServer ES47 / ES80 / GS1280
>> 104 Mikasa AS 1000
>> 105 Noname AXPpci33, UDB (Multia)
>> 106 Noritake AS 1000A, AS 600A, AS 800
>> 107 PC164 AlphaPC164
>> 108 Rawhide AS 1200, AS 4000, AS 4100
>> 109 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 110 SX164 AlphaPC164-SX
>> 111 Sable AS 2000, AS 2100
>> 112 Shark DS 20L
>> 113 Takara Takara (OEM)
>> 114 Titan AlphaServer ES45 / DS25 / DS15
>> 115 Wildfire AlphaServer GS 40/80/160/320
>> 116
>> 117 If you don't know what to do, choose "generic".
64 118
65 source "arch/nios2/platform/Kconfig.platform" !! 119 config ALPHA_GENERIC
>> 120 bool "Generic"
>> 121 depends on TTY
>> 122 select HAVE_EISA
>> 123 help
>> 124 A generic kernel will run on all supported Alpha hardware.
66 125
67 menu "Processor type and features" !! 126 config ALPHA_ALCOR
>> 127 bool "Alcor/Alpha-XLT"
>> 128 select HAVE_EISA
>> 129 help
>> 130 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 131 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 132 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 133 controller (256-bit memory bus) and a PCI interface. It also does
>> 134 all the work required to support an external Bcache and to maintain
>> 135 memory coherence when a PCI device DMAs into (or out of) memory.
68 136
69 config MMU !! 137 config ALPHA_XL
70 def_bool y !! 138 bool "Alpha-XL"
>> 139 help
>> 140 XL-233 and XL-266-based Alpha systems.
71 141
72 config NR_CPUS !! 142 config ALPHA_BOOK1
73 int !! 143 bool "AlphaBook1"
74 default "1" !! 144 help
>> 145 Dec AlphaBook1/Burns Alpha-based laptops.
75 146
76 config NIOS2_ALIGNMENT_TRAP !! 147 config ALPHA_AVANTI_CH
77 bool "Catch alignment trap" !! 148 bool "Avanti"
78 default y !! 149
>> 150 config ALPHA_CABRIOLET
>> 151 bool "Cabriolet"
79 help 152 help
80 Nios II CPUs cannot fetch/store data !! 153 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
81 i.e., a 2 or 4 byte fetch must start !! 154 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
82 2 or 4. Any non-aligned load/store i !! 155 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
83 emulated in software if you say Y he !! 156 Bcache SIMMs. Requires power supply with 3.3V output.
84 impact. <<
85 157
86 comment "Boot options" !! 158 config ALPHA_DP264
>> 159 bool "DP264"
>> 160 help
>> 161 Various 21264 systems with the tsunami core logic chipset.
>> 162 API Networks: 264DP, UP2000(+), CS20;
>> 163 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
87 164
88 config CMDLINE_BOOL !! 165 config ALPHA_EB164
89 bool "Default bootloader kernel argume !! 166 bool "EB164"
90 default y !! 167 help
>> 168 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 169 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 170 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 171 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 172 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 173 motherboard. Requires power supply with 3.3V output.
>> 174
>> 175 config ALPHA_EB64P_CH
>> 176 bool "EB64+"
91 177
92 config CMDLINE !! 178 config ALPHA_EB66
93 string "Default kernel command string" !! 179 bool "EB66"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 180 help
97 On some platforms, there is currentl !! 181 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
98 pass arguments to the kernel. For th !! 182 identical to EB64+. Baby PC-AT size. Runs from standard PC power
99 some command-line options at build t !! 183 supply. The EB66 schematic was published as a marketing poster
100 other cases you can specify kernel a !! 184 advertising the 21066 as "the first microprocessor in the world with
101 to set them up in board prom initial !! 185 embedded PCI".
102 186
103 config CMDLINE_FORCE !! 187 config ALPHA_EB66P
104 bool "Force default kernel command str !! 188 bool "EB66+"
105 depends on CMDLINE_BOOL <<
106 help 189 help
107 Set this to have arguments from the !! 190 Later variant of the EB66 board.
108 override those passed by the boot lo <<
109 191
110 config NIOS2_CMDLINE_IGNORE_DTB !! 192 config ALPHA_EIGER
111 bool "Ignore kernel command string fro !! 193 bool "Eiger"
112 depends on CMDLINE_BOOL !! 194 help
113 depends on !CMDLINE_FORCE !! 195 Apparently an obscure OEM single-board computer based on the
>> 196 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 197
>> 198 config ALPHA_JENSEN
>> 199 bool "Jensen"
>> 200 select HAVE_EISA
>> 201 help
>> 202 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 203 of the first-generation Alpha systems. A number of these systems
>> 204 seem to be available on the second- hand market. The Jensen is a
>> 205 floor-standing tower system which originally used a 150MHz 21064 It
>> 206 used programmable logic to interface a 486 EISA I/O bridge to the
>> 207 CPU.
>> 208
>> 209 config ALPHA_LX164
>> 210 bool "LX164"
>> 211 help
>> 212 A technical overview of this board is available at
>> 213 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 214
>> 215 config ALPHA_LYNX
>> 216 bool "Lynx"
>> 217 select HAVE_EISA
>> 218 help
>> 219 AlphaServer 2100A-based systems.
>> 220
>> 221 config ALPHA_MARVEL
>> 222 bool "Marvel"
>> 223 help
>> 224 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 225
>> 226 config ALPHA_MIATA
>> 227 bool "Miata"
>> 228 select HAVE_EISA
>> 229 help
>> 230 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 231 or 600au).
>> 232
>> 233 config ALPHA_MIKASA
>> 234 bool "Mikasa"
>> 235 help
>> 236 AlphaServer 1000-based Alpha systems.
>> 237
>> 238 config ALPHA_NAUTILUS
>> 239 bool "Nautilus"
>> 240 help
>> 241 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 242
>> 243 config ALPHA_NONAME_CH
>> 244 bool "Noname"
>> 245
>> 246 config ALPHA_NORITAKE
>> 247 bool "Noritake"
>> 248 select HAVE_EISA
>> 249 help
>> 250 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 251 systems.
>> 252
>> 253 config ALPHA_PC164
>> 254 bool "PC164"
>> 255
>> 256 config ALPHA_P2K
>> 257 bool "Platform2000"
>> 258
>> 259 config ALPHA_RAWHIDE
>> 260 bool "Rawhide"
>> 261 select HAVE_EISA
>> 262 help
>> 263 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 264 See HOWTO at
>> 265 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 266
>> 267 config ALPHA_RUFFIAN
>> 268 bool "Ruffian"
>> 269 help
>> 270 Samsung APC164UX. There is a page on known problems and workarounds
>> 271 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 272
>> 273 config ALPHA_RX164
>> 274 bool "RX164"
>> 275
>> 276 config ALPHA_SX164
>> 277 bool "SX164"
>> 278
>> 279 config ALPHA_SABLE
>> 280 bool "Sable"
>> 281 select HAVE_EISA
>> 282 help
>> 283 Digital AlphaServer 2000 and 2100-based systems.
>> 284
>> 285 config ALPHA_SHARK
>> 286 bool "Shark"
>> 287
>> 288 config ALPHA_TAKARA
>> 289 bool "Takara"
>> 290 help
>> 291 Alpha 11164-based OEM single-board computer.
>> 292
>> 293 config ALPHA_TITAN
>> 294 bool "Titan"
>> 295 help
>> 296 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 297
>> 298 config ALPHA_WILDFIRE
>> 299 bool "Wildfire"
>> 300 help
>> 301 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 302
>> 303 endchoice
>> 304
>> 305 # clear all implied options (don't want default values for those):
>> 306 # Most of these machines have ISA slots; not exactly sure which don't,
>> 307 # and this doesn't activate hordes of code, so do it always.
>> 308 config ISA
>> 309 bool
114 default y 310 default y
115 help 311 help
116 Set this to ignore the bootargs prop !! 312 Find out whether you have ISA slots on your motherboard. ISA is the
117 chosen node and fall back to CMDLINE !! 313 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 314 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 315 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 316 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 317
>> 318 config ISA_DMA_API
>> 319 bool
>> 320 default y
118 321
119 config NIOS2_PASS_CMDLINE !! 322 config ALPHA_NONAME
120 bool "Passed kernel command line from !! 323 bool
>> 324 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 325 default y
121 help 326 help
122 Use bootargs env variable from u-boo !! 327 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
123 will override "Default kernel comman !! 328 UDB). This design was produced by Digital's Technical OEM (TOEM)
124 Say N if you are unsure. !! 329 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 330 is a baby-AT size, and runs from a standard PC power supply. It has
>> 331 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 332 2 versions, with either PS/2 or large DIN connectors for the
>> 333 keyboard.
>> 334
>> 335 config ALPHA_EV4
>> 336 bool
>> 337 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
>> 338 default y if !ALPHA_LYNX
>> 339
>> 340 config ALPHA_LCA
>> 341 bool
>> 342 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 343 default y
>> 344
>> 345 config ALPHA_APECS
>> 346 bool
>> 347 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 348 default y
125 349
126 config NIOS2_BOOT_LINK_OFFSET !! 350 config ALPHA_EB64P
127 hex "Link address offset for booting" !! 351 bool
128 default "0x00500000" !! 352 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 353 default y
129 help 354 help
130 This option allows you to set the li !! 355 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
131 This can be useful if you are on a b !! 356 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
132 memory. !! 357 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 358 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 359 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 360 Runs from standard PC power supply.
>> 361
>> 362 config ALPHA_EV5
>> 363 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 364 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
>> 365
>> 366 config ALPHA_EV4
>> 367 bool
>> 368 default y if ALPHA_LYNX && !ALPHA_EV5
>> 369
>> 370 config ALPHA_CIA
>> 371 bool
>> 372 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
>> 373 default y
133 374
134 endmenu !! 375 config ALPHA_EV56
>> 376 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 377 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
135 378
136 menu "Advanced setup" !! 379 config ALPHA_EV56
>> 380 prompt "EV56 CPU (speed >= 333MHz)?"
>> 381 depends on ALPHA_NORITAKE || ALPHA_PRIMO
137 382
138 config ADVANCED_OPTIONS !! 383 config ALPHA_EV56
139 bool "Prompt for advanced kernel confi !! 384 prompt "EV56 CPU (speed >= 400MHz)?"
>> 385 depends on ALPHA_RAWHIDE
140 386
141 comment "Default settings for advanced configu !! 387 config ALPHA_PRIMO
142 depends on !ADVANCED_OPTIONS !! 388 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 389 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 390 help
>> 391 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
143 392
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 393 config ALPHA_GAMMA
145 bool "Set custom kernel MMU region bas !! 394 bool "EV5 CPU(s) (model 5/xxx)?"
146 depends on ADVANCED_OPTIONS !! 395 depends on ALPHA_SABLE
147 help 396 help
148 This option allows you to set the vi !! 397 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 398
>> 399 config ALPHA_GAMMA
>> 400 bool
>> 401 depends on ALPHA_LYNX
>> 402 default y
149 403
150 Say N here unless you know what you !! 404 config ALPHA_T2
>> 405 bool
>> 406 depends on ALPHA_SABLE || ALPHA_LYNX
>> 407 default y
>> 408
>> 409 config ALPHA_PYXIS
>> 410 bool
>> 411 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 412 default y
>> 413
>> 414 config ALPHA_EV6
>> 415 bool
>> 416 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 417 default y
>> 418
>> 419 config ALPHA_TSUNAMI
>> 420 bool
>> 421 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 422 default y
151 423
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 424 config ALPHA_EV67
153 hex "Virtual base address of the kerne !! 425 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
154 default "0x80000000" !! 426 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 427 help
>> 428 Is this a machine based on the EV67 core? If in doubt, select N here
>> 429 and the machine will be treated as an EV6.
>> 430
>> 431 config ALPHA_MCPCIA
>> 432 bool
>> 433 depends on ALPHA_RAWHIDE
>> 434 default y
>> 435
>> 436 config ALPHA_POLARIS
>> 437 bool
>> 438 depends on ALPHA_RX164
>> 439 default y
>> 440
>> 441 config ALPHA_IRONGATE
>> 442 bool
>> 443 depends on ALPHA_NAUTILUS
>> 444 default y
>> 445
>> 446 config GENERIC_HWEIGHT
>> 447 bool
>> 448 default y if !ALPHA_EV67
>> 449
>> 450 config ALPHA_AVANTI
>> 451 bool
>> 452 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 453 default y
155 help 454 help
156 This option allows you to set the vi !! 455 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 456 Alphas. Info at
>> 457 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 458
>> 459 config ALPHA_BROKEN_IRQ_MASK
>> 460 bool
>> 461 depends on ALPHA_GENERIC || ALPHA_PC164
>> 462 default y
>> 463
>> 464 config VGA_HOSE
>> 465 bool
>> 466 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 467 default y
>> 468 help
>> 469 Support VGA on an arbitrary hose; needed for several platforms
>> 470 which always have multiple hoses, and whose consoles support it.
>> 471
157 472
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 473 config ALPHA_QEMU
159 bool "Set custom kernel region base ad !! 474 bool "Run under QEMU emulation"
160 depends on ADVANCED_OPTIONS !! 475 depends on !ALPHA_GENERIC
161 help 476 help
162 This option allows you to set the vi !! 477 Assume the presence of special features supported by QEMU PALcode
>> 478 that reduce the overhead of system emulation.
163 479
164 Say N here unless you know what you !! 480 Generic kernels will auto-detect QEMU. But when building a
>> 481 system-specific kernel, the assumption is that we want to
>> 482 eliminate as many runtime tests as possible.
165 483
166 config NIOS2_KERNEL_REGION_BASE !! 484 If unsure, say N.
167 hex "Virtual base address of the kerne <<
168 default "0xc0000000" <<
169 485
170 config NIOS2_IO_REGION_BASE_BOOL !! 486
171 bool "Set custom I/O region base addre !! 487 config ALPHA_SRM
172 depends on ADVANCED_OPTIONS !! 488 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
>> 489 depends on TTY
>> 490 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 491 help
174 This option allows you to set the vi !! 492 There are two different types of booting firmware on Alphas: SRM,
>> 493 which is command line driven, and ARC, which uses menus and arrow
>> 494 keys. Details about the Linux/Alpha booting process are contained in
>> 495 the Linux/Alpha FAQ, accessible on the WWW from
>> 496 <http://www.alphalinux.org/>.
>> 497
>> 498 The usual way to load Linux on an Alpha machine is to use MILO
>> 499 (a bootloader that lets you pass command line parameters to the
>> 500 kernel just like lilo does for the x86 architecture) which can be
>> 501 loaded either from ARC or can be installed directly as a permanent
>> 502 firmware replacement from floppy (which requires changing a certain
>> 503 jumper on the motherboard). If you want to do either of these, say N
>> 504 here. If MILO doesn't work on your system (true for Jensen
>> 505 motherboards), you can bypass it altogether and boot Linux directly
>> 506 from an SRM console; say Y here in order to do that. Note that you
>> 507 won't be able to boot from an IDE disk using SRM.
175 508
176 Say N here unless you know what you !! 509 If unsure, say N.
>> 510
>> 511 config ARCH_MAY_HAVE_PC_FDC
>> 512 def_bool y
177 513
178 config NIOS2_IO_REGION_BASE !! 514 config SMP
179 hex "Virtual base address of the I/O r !! 515 bool "Symmetric multi-processing support"
180 default "0xe0000000" !! 516 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 517 help
>> 518 This enables support for systems with more than one CPU. If you have
>> 519 a system with only one CPU, say N. If you have a system with more
>> 520 than one CPU, say Y.
>> 521
>> 522 If you say N here, the kernel will run on uni- and multiprocessor
>> 523 machines, but will use only one CPU of a multiprocessor machine. If
>> 524 you say Y here, the kernel will run on many, but not all,
>> 525 uniprocessor machines. On a uniprocessor machine, the kernel
>> 526 will run faster if you say N here.
>> 527
>> 528 See also the SMP-HOWTO available at
>> 529 <https://www.tldp.org/docs.html#howto>.
>> 530
>> 531 If you don't know what to do here, say N.
>> 532
>> 533 config NR_CPUS
>> 534 int "Maximum number of CPUs (2-32)"
>> 535 range 2 32
>> 536 depends on SMP
>> 537 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 538 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 539 help
>> 540 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 541 with working support have a maximum of 4 CPUs.
>> 542
>> 543 config ARCH_SPARSEMEM_ENABLE
>> 544 bool "Sparse Memory Support"
>> 545 help
>> 546 Say Y to support efficient handling of discontiguous physical memory,
>> 547 for systems that have huge holes in the physical address space.
>> 548
>> 549 config ALPHA_WTINT
>> 550 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 551 default y if ALPHA_QEMU
>> 552 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 553 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 554 default y if SMP
>> 555 help
>> 556 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 557 to sleep until the next interrupt. This may reduce the power
>> 558 consumed, and the heat produced by the computer. However, it has
>> 559 the side effect of making the cycle counter unreliable as a timing
>> 560 device across the sleep.
>> 561
>> 562 For emulation under QEMU, definitely say Y here, as we have other
>> 563 mechanisms for measuring time than the cycle counter.
>> 564
>> 565 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 566 MILO, sleep mode is not supported so you might as well say N here.
>> 567
>> 568 For SMP systems we cannot use the cycle counter for timing anyway,
>> 569 so you might as well say Y here.
>> 570
>> 571 If unsure, say N.
>> 572
>> 573 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 574 config ALPHA_LARGE_VMALLOC
>> 575 bool
>> 576 help
>> 577 Process creation and other aspects of virtual memory management can
>> 578 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 579 allocations. This equates to about 8GB.
>> 580
>> 581 Under normal circumstances, this is so far and above what is needed
>> 582 as to be laughable. However, there are certain applications (such
>> 583 as benchmark-grade in-kernel web serving) that can make use of as
>> 584 much vmalloc space as is available.
>> 585
>> 586 Say N unless you know you need gobs and gobs of vmalloc space.
>> 587
>> 588 config VERBOSE_MCHECK
>> 589 bool "Verbose Machine Checks"
>> 590
>> 591 config VERBOSE_MCHECK_ON
>> 592 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 593 depends on VERBOSE_MCHECK
>> 594 default 1
>> 595 help
>> 596 This option allows the default printing mode to be set, and then
>> 597 possibly overridden by a boot command argument.
>> 598
>> 599 For example, if one wanted the option of printing verbose
>> 600 machine checks, but wanted the default to be as if verbose
>> 601 machine check printing was turned off, then one would choose
>> 602 the printing mode to be 0. Then, upon reboot, one could add
>> 603 the boot command line "verbose_mcheck=1" to get the normal
>> 604 verbose machine check printing, or "verbose_mcheck=2" to get
>> 605 the maximum information available.
>> 606
>> 607 Take the default (1) unless you want more control or more info.
>> 608
>> 609 choice
>> 610 prompt "Timer interrupt frequency (HZ)?"
>> 611 default HZ_128 if ALPHA_QEMU
>> 612 default HZ_1200 if ALPHA_RAWHIDE
>> 613 default HZ_1024
>> 614 help
>> 615 The frequency at which timer interrupts occur. A high frequency
>> 616 minimizes latency, whereas a low frequency minimizes overhead of
>> 617 process accounting. The later effect is especially significant
>> 618 when being run under QEMU.
>> 619
>> 620 Note that some Alpha hardware cannot change the interrupt frequency
>> 621 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 622
>> 623 config HZ_32
>> 624 bool "32 Hz"
>> 625 config HZ_64
>> 626 bool "64 Hz"
>> 627 config HZ_128
>> 628 bool "128 Hz"
>> 629 config HZ_256
>> 630 bool "256 Hz"
>> 631 config HZ_1024
>> 632 bool "1024 Hz"
>> 633 config HZ_1200
>> 634 bool "1200 Hz"
>> 635 endchoice
>> 636
>> 637 config HZ
>> 638 int
>> 639 default 32 if HZ_32
>> 640 default 64 if HZ_64
>> 641 default 128 if HZ_128
>> 642 default 256 if HZ_256
>> 643 default 1200 if HZ_1200
>> 644 default 1024
>> 645
>> 646 config SRM_ENV
>> 647 tristate "SRM environment through procfs"
>> 648 depends on PROC_FS
>> 649 help
>> 650 If you enable this option, a subdirectory inside /proc called
>> 651 /proc/srm_environment will give you access to the all important
>> 652 SRM environment variables (those which have a name) and also
>> 653 to all others (by their internal number).
>> 654
>> 655 SRM is something like a BIOS for Alpha machines. There are some
>> 656 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 657 support (hey, that's not SRM!).
>> 658
>> 659 Despite the fact that this driver doesn't work on all Alphas (but
>> 660 only on those which have SRM as their firmware), it's save to
>> 661 build it even if your particular machine doesn't know about SRM
>> 662 (or if you intend to compile a generic kernel). It will simply
>> 663 not create those subdirectory in /proc (and give you some warning,
>> 664 of course).
>> 665
>> 666 This driver is also available as a module and will be called
>> 667 srm_env then.
181 668
182 endmenu 669 endmenu
>> 670
>> 671 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 672 # but we also need it if VGA_HOSE is set
>> 673 config DUMMY_CONSOLE
>> 674 bool
>> 675 depends on VGA_HOSE
>> 676 default y
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