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_PAGE_SIZE_8KB
>> 18 select HAVE_PCSPKR_PLATFORM
>> 19 select HAVE_PERF_EVENTS
>> 20 select NEED_DMA_MAP_STATE
>> 21 select NEED_SG_DMA_LENGTH
15 select GENERIC_IRQ_PROBE 22 select GENERIC_IRQ_PROBE
>> 23 select GENERIC_PCI_IOMAP
>> 24 select AUTO_IRQ_AFFINITY if SMP
16 select GENERIC_IRQ_SHOW 25 select GENERIC_IRQ_SHOW
17 select HAVE_ARCH_TRACEHOOK !! 26 select ARCH_WANT_IPC_PARSE_VERSION
18 select HAVE_ARCH_KGDB !! 27 select ARCH_HAVE_NMI_SAFE_CMPXCHG
19 select HAVE_PAGE_SIZE_4KB !! 28 select AUDIT_ARCH
20 select IRQ_DOMAIN !! 29 select GENERIC_CPU_VULNERABILITIES
>> 30 select GENERIC_SMP_IDLE_THREAD
>> 31 select HAS_IOPORT
>> 32 select HAVE_ARCH_AUDITSYSCALL
>> 33 select HAVE_MOD_ARCH_SPECIFIC
21 select LOCK_MM_AND_FIND_VMA 34 select LOCK_MM_AND_FIND_VMA
22 select MODULES_USE_ELF_RELA 35 select MODULES_USE_ELF_RELA
23 select OF !! 36 select ODD_RT_SIGACTION
24 select OF_EARLY_FLATTREE !! 37 select OLD_SIGSUSPEND
25 select SOC_BUS !! 38 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
26 select SPARSE_IRQ !! 39 select MMU_GATHER_NO_RANGE
27 select USB_ARCH_HAS_HCD if USB_SUPPORT !! 40 select SPARSEMEM_EXTREME if SPARSEMEM
28 select CPU_NO_EFFICIENT_FFS !! 41 select ZONE_DMA
29 select MMU_GATHER_NO_RANGE if MMU !! 42 help
>> 43 The Alpha is a 64-bit general-purpose processor designed and
>> 44 marketed by the Digital Equipment Corporation of blessed memory,
>> 45 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 46 <http://www.alphalinux.org/>.
30 47
31 config GENERIC_CSUM !! 48 config 64BIT
32 def_bool y 49 def_bool y
33 50
34 config GENERIC_HWEIGHT !! 51 config MMU
35 def_bool y !! 52 bool
>> 53 default y
>> 54
>> 55 config ARCH_HAS_ILOG2_U32
>> 56 bool
>> 57 default n
>> 58
>> 59 config ARCH_HAS_ILOG2_U64
>> 60 bool
>> 61 default n
36 62
37 config GENERIC_CALIBRATE_DELAY 63 config GENERIC_CALIBRATE_DELAY
38 def_bool y !! 64 bool
>> 65 default y
39 66
40 config NO_IOPORT_MAP !! 67 config GENERIC_ISA_DMA
41 def_bool y !! 68 bool
>> 69 default y
42 70
43 config FPU !! 71 config PGTABLE_LEVELS
44 def_bool n !! 72 int
>> 73 default 3
45 74
46 menu "Kernel features" !! 75 config AUDIT_ARCH
>> 76 bool
47 77
48 source "kernel/Kconfig.hz" !! 78 menu "System setup"
49 79
50 config ARCH_FORCE_MAX_ORDER !! 80 choice
51 int "Order of maximal physically conti !! 81 prompt "Alpha system type"
52 default "10" !! 82 default ALPHA_GENERIC
53 help 83 help
54 The kernel page allocator limits the !! 84 This is the system type of your hardware. A "generic" kernel will
55 contiguous allocations. The limit is !! 85 run on any supported Alpha system. However, if you configure a
56 defines the maximal power of two of !! 86 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 87
61 Don't change if unsure. !! 88 To find out what type of Alpha system you have, you may want to
>> 89 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 90 <http://www.alphalinux.org/>. In summary:
62 91
63 endmenu !! 92 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 93 Alpha-XL XL-233, XL-266
>> 94 AlphaBook1 Alpha laptop
>> 95 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 96 Cabriolet AlphaPC64, AlphaPCI64
>> 97 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 98 EB164 EB164 21164 evaluation board
>> 99 EB64+ EB64+ 21064 evaluation board
>> 100 EB66 EB66 21066 evaluation board
>> 101 EB66+ EB66+ 21066 evaluation board
>> 102 Jensen DECpc 150, DEC 2000 models 300, 500
>> 103 LX164 AlphaPC164-LX
>> 104 Lynx AS 2100A
>> 105 Miata Personal Workstation 433/500/600 a/au
>> 106 Marvel AlphaServer ES47 / ES80 / GS1280
>> 107 Mikasa AS 1000
>> 108 Noname AXPpci33, UDB (Multia)
>> 109 Noritake AS 1000A, AS 600A, AS 800
>> 110 PC164 AlphaPC164
>> 111 Rawhide AS 1200, AS 4000, AS 4100
>> 112 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 113 SX164 AlphaPC164-SX
>> 114 Sable AS 2000, AS 2100
>> 115 Shark DS 20L
>> 116 Takara Takara (OEM)
>> 117 Titan AlphaServer ES45 / DS25 / DS15
>> 118 Wildfire AlphaServer GS 40/80/160/320
64 119
65 source "arch/nios2/platform/Kconfig.platform" !! 120 If you don't know what to do, choose "generic".
66 121
67 menu "Processor type and features" !! 122 config ALPHA_GENERIC
>> 123 bool "Generic"
>> 124 depends on TTY
>> 125 select HAVE_EISA
>> 126 help
>> 127 A generic kernel will run on all supported Alpha hardware.
68 128
69 config MMU !! 129 config ALPHA_ALCOR
70 def_bool y !! 130 bool "Alcor/Alpha-XLT"
>> 131 select HAVE_EISA
>> 132 help
>> 133 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 134 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 135 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 136 controller (256-bit memory bus) and a PCI interface. It also does
>> 137 all the work required to support an external Bcache and to maintain
>> 138 memory coherence when a PCI device DMAs into (or out of) memory.
71 139
72 config NR_CPUS !! 140 config ALPHA_XL
73 int !! 141 bool "Alpha-XL"
74 default "1" !! 142 help
>> 143 XL-233 and XL-266-based Alpha systems.
75 144
76 config NIOS2_ALIGNMENT_TRAP !! 145 config ALPHA_BOOK1
77 bool "Catch alignment trap" !! 146 bool "AlphaBook1"
78 default y <<
79 help 147 help
80 Nios II CPUs cannot fetch/store data !! 148 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. <<
85 149
86 comment "Boot options" !! 150 config ALPHA_AVANTI_CH
>> 151 bool "Avanti"
87 152
88 config CMDLINE_BOOL !! 153 config ALPHA_CABRIOLET
89 bool "Default bootloader kernel argume !! 154 bool "Cabriolet"
90 default y !! 155 help
>> 156 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 157 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 158 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 159 Bcache SIMMs. Requires power supply with 3.3V output.
91 160
92 config CMDLINE !! 161 config ALPHA_DP264
93 string "Default kernel command string" !! 162 bool "DP264"
94 default "" <<
95 depends on CMDLINE_BOOL <<
96 help 163 help
97 On some platforms, there is currentl !! 164 Various 21264 systems with the tsunami core logic chipset.
98 pass arguments to the kernel. For th !! 165 API Networks: 264DP, UP2000(+), CS20;
99 some command-line options at build t !! 166 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
100 other cases you can specify kernel a <<
101 to set them up in board prom initial <<
102 167
103 config CMDLINE_FORCE !! 168 config ALPHA_EB164
104 bool "Force default kernel command str !! 169 bool "EB164"
105 depends on CMDLINE_BOOL <<
106 help 170 help
107 Set this to have arguments from the !! 171 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
108 override those passed by the boot lo !! 172 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 173 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 174 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 175 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 176 motherboard. Requires power supply with 3.3V output.
109 177
110 config NIOS2_CMDLINE_IGNORE_DTB !! 178 config ALPHA_EB64P_CH
111 bool "Ignore kernel command string fro !! 179 bool "EB64+"
112 depends on CMDLINE_BOOL !! 180
113 depends on !CMDLINE_FORCE !! 181 config ALPHA_EB66
114 default y !! 182 bool "EB66"
115 help 183 help
116 Set this to ignore the bootargs prop !! 184 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
117 chosen node and fall back to CMDLINE !! 185 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 186 supply. The EB66 schematic was published as a marketing poster
>> 187 advertising the 21066 as "the first microprocessor in the world with
>> 188 embedded PCI".
118 189
119 config NIOS2_PASS_CMDLINE !! 190 config ALPHA_EB66P
120 bool "Passed kernel command line from !! 191 bool "EB66+"
121 help 192 help
122 Use bootargs env variable from u-boo !! 193 Later variant of the EB66 board.
123 will override "Default kernel comman <<
124 Say N if you are unsure. <<
125 194
126 config NIOS2_BOOT_LINK_OFFSET !! 195 config ALPHA_EIGER
127 hex "Link address offset for booting" !! 196 bool "Eiger"
128 default "0x00500000" <<
129 help 197 help
130 This option allows you to set the li !! 198 Apparently an obscure OEM single-board computer based on the
131 This can be useful if you are on a b !! 199 Typhoon/Tsunami chipset family. Information on it is scanty.
132 memory. <<
133 200
134 endmenu !! 201 config ALPHA_JENSEN
>> 202 bool "Jensen"
>> 203 select HAVE_EISA
>> 204 help
>> 205 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 206 of the first-generation Alpha systems. A number of these systems
>> 207 seem to be available on the second- hand market. The Jensen is a
>> 208 floor-standing tower system which originally used a 150MHz 21064 It
>> 209 used programmable logic to interface a 486 EISA I/O bridge to the
>> 210 CPU.
>> 211
>> 212 config ALPHA_LX164
>> 213 bool "LX164"
>> 214 help
>> 215 A technical overview of this board is available at
>> 216 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 217
>> 218 config ALPHA_LYNX
>> 219 bool "Lynx"
>> 220 select HAVE_EISA
>> 221 help
>> 222 AlphaServer 2100A-based systems.
>> 223
>> 224 config ALPHA_MARVEL
>> 225 bool "Marvel"
>> 226 help
>> 227 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 228
>> 229 config ALPHA_MIATA
>> 230 bool "Miata"
>> 231 select HAVE_EISA
>> 232 help
>> 233 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 234 or 600au).
>> 235
>> 236 config ALPHA_MIKASA
>> 237 bool "Mikasa"
>> 238 help
>> 239 AlphaServer 1000-based Alpha systems.
>> 240
>> 241 config ALPHA_NAUTILUS
>> 242 bool "Nautilus"
>> 243 help
>> 244 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 245
>> 246 config ALPHA_NONAME_CH
>> 247 bool "Noname"
>> 248
>> 249 config ALPHA_NORITAKE
>> 250 bool "Noritake"
>> 251 select HAVE_EISA
>> 252 help
>> 253 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 254 systems.
>> 255
>> 256 config ALPHA_PC164
>> 257 bool "PC164"
>> 258
>> 259 config ALPHA_P2K
>> 260 bool "Platform2000"
>> 261
>> 262 config ALPHA_RAWHIDE
>> 263 bool "Rawhide"
>> 264 select HAVE_EISA
>> 265 help
>> 266 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 267 See HOWTO at
>> 268 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 269
>> 270 config ALPHA_RUFFIAN
>> 271 bool "Ruffian"
>> 272 help
>> 273 Samsung APC164UX. There is a page on known problems and workarounds
>> 274 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 275
>> 276 config ALPHA_RX164
>> 277 bool "RX164"
>> 278
>> 279 config ALPHA_SX164
>> 280 bool "SX164"
>> 281
>> 282 config ALPHA_SABLE
>> 283 bool "Sable"
>> 284 select HAVE_EISA
>> 285 help
>> 286 Digital AlphaServer 2000 and 2100-based systems.
135 287
136 menu "Advanced setup" !! 288 config ALPHA_SHARK
>> 289 bool "Shark"
137 290
138 config ADVANCED_OPTIONS !! 291 config ALPHA_TAKARA
139 bool "Prompt for advanced kernel confi !! 292 bool "Takara"
>> 293 help
>> 294 Alpha 11164-based OEM single-board computer.
>> 295
>> 296 config ALPHA_TITAN
>> 297 bool "Titan"
>> 298 help
>> 299 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 300
>> 301 config ALPHA_WILDFIRE
>> 302 bool "Wildfire"
>> 303 help
>> 304 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 305
>> 306 endchoice
>> 307
>> 308 # clear all implied options (don't want default values for those):
>> 309 # Most of these machines have ISA slots; not exactly sure which don't,
>> 310 # and this doesn't activate hordes of code, so do it always.
>> 311 config ISA
>> 312 bool
>> 313 default y
>> 314 help
>> 315 Find out whether you have ISA slots on your motherboard. ISA is the
>> 316 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 317 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 318 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 319 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 320
>> 321 config ISA_DMA_API
>> 322 bool
>> 323 default y
>> 324
>> 325 config ALPHA_NONAME
>> 326 bool
>> 327 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 328 default y
>> 329 help
>> 330 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 331 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 332 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 333 is a baby-AT size, and runs from a standard PC power supply. It has
>> 334 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 335 2 versions, with either PS/2 or large DIN connectors for the
>> 336 keyboard.
>> 337
>> 338 config ALPHA_EV4
>> 339 bool
>> 340 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
>> 341 default y if !ALPHA_LYNX
>> 342 default y if !ALPHA_EV5
>> 343
>> 344 config ALPHA_LCA
>> 345 bool
>> 346 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 347 default y
140 348
141 comment "Default settings for advanced configu !! 349 config ALPHA_APECS
142 depends on !ADVANCED_OPTIONS !! 350 bool
>> 351 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 352 default y
143 353
144 config NIOS2_KERNEL_MMU_REGION_BASE_BOOL !! 354 config ALPHA_EB64P
145 bool "Set custom kernel MMU region bas !! 355 bool
146 depends on ADVANCED_OPTIONS !! 356 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 357 default y
147 help 358 help
148 This option allows you to set the vi !! 359 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 360 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 361 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 362 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 363 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 364 Runs from standard PC power supply.
>> 365
>> 366 config ALPHA_EV5
>> 367 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 368 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
>> 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
>> 374
>> 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
>> 378
>> 379 config ALPHA_EV56
>> 380 prompt "EV56 CPU (speed >= 333MHz)?"
>> 381 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 382
>> 383 config ALPHA_EV56
>> 384 prompt "EV56 CPU (speed >= 400MHz)?"
>> 385 depends on ALPHA_RAWHIDE
>> 386
>> 387 config ALPHA_PRIMO
>> 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.
>> 392
>> 393 config ALPHA_GAMMA
>> 394 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_SABLE
>> 395 depends on ALPHA_SABLE || ALPHA_LYNX
>> 396 default ALPHA_LYNX
>> 397 help
>> 398 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 399
>> 400 config ALPHA_T2
>> 401 bool
>> 402 depends on ALPHA_SABLE || ALPHA_LYNX
>> 403 default y
>> 404
>> 405 config ALPHA_PYXIS
>> 406 bool
>> 407 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 408 default y
>> 409
>> 410 config ALPHA_EV6
>> 411 bool
>> 412 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 413 default y
>> 414
>> 415 config ALPHA_TSUNAMI
>> 416 bool
>> 417 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 418 default y
149 419
150 Say N here unless you know what you !! 420 config ALPHA_EV67
>> 421 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 422 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 423 help
>> 424 Is this a machine based on the EV67 core? If in doubt, select N here
>> 425 and the machine will be treated as an EV6.
>> 426
>> 427 config ALPHA_MCPCIA
>> 428 bool
>> 429 depends on ALPHA_RAWHIDE
>> 430 default y
>> 431
>> 432 config ALPHA_POLARIS
>> 433 bool
>> 434 depends on ALPHA_RX164
>> 435 default y
>> 436
>> 437 config ALPHA_IRONGATE
>> 438 bool
>> 439 depends on ALPHA_NAUTILUS
>> 440 default y
>> 441
>> 442 config GENERIC_HWEIGHT
>> 443 bool
>> 444 default y if !ALPHA_EV67
151 445
152 config NIOS2_KERNEL_MMU_REGION_BASE !! 446 config ALPHA_AVANTI
153 hex "Virtual base address of the kerne !! 447 bool
154 default "0x80000000" !! 448 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 449 default y
>> 450 help
>> 451 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 452 Alphas. Info at
>> 453 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 454
>> 455 config ALPHA_BROKEN_IRQ_MASK
>> 456 bool
>> 457 depends on ALPHA_GENERIC || ALPHA_PC164
>> 458 default y
>> 459
>> 460 config VGA_HOSE
>> 461 bool
>> 462 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 463 default y
155 help 464 help
156 This option allows you to set the vi !! 465 Support VGA on an arbitrary hose; needed for several platforms
>> 466 which always have multiple hoses, and whose consoles support it.
>> 467
157 468
158 config NIOS2_KERNEL_REGION_BASE_BOOL !! 469 config ALPHA_QEMU
159 bool "Set custom kernel region base ad !! 470 bool "Run under QEMU emulation"
160 depends on ADVANCED_OPTIONS !! 471 depends on !ALPHA_GENERIC
161 help 472 help
162 This option allows you to set the vi !! 473 Assume the presence of special features supported by QEMU PALcode
>> 474 that reduce the overhead of system emulation.
163 475
164 Say N here unless you know what you !! 476 Generic kernels will auto-detect QEMU. But when building a
>> 477 system-specific kernel, the assumption is that we want to
>> 478 eliminate as many runtime tests as possible.
165 479
166 config NIOS2_KERNEL_REGION_BASE !! 480 If unsure, say N.
167 hex "Virtual base address of the kerne <<
168 default "0xc0000000" <<
169 481
170 config NIOS2_IO_REGION_BASE_BOOL !! 482
171 bool "Set custom I/O region base addre !! 483 config ALPHA_SRM
172 depends on ADVANCED_OPTIONS !! 484 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
>> 485 depends on TTY
>> 486 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 487 help
174 This option allows you to set the vi !! 488 There are two different types of booting firmware on Alphas: SRM,
>> 489 which is command line driven, and ARC, which uses menus and arrow
>> 490 keys. Details about the Linux/Alpha booting process are contained in
>> 491 the Linux/Alpha FAQ, accessible on the WWW from
>> 492 <http://www.alphalinux.org/>.
>> 493
>> 494 The usual way to load Linux on an Alpha machine is to use MILO
>> 495 (a bootloader that lets you pass command line parameters to the
>> 496 kernel just like lilo does for the x86 architecture) which can be
>> 497 loaded either from ARC or can be installed directly as a permanent
>> 498 firmware replacement from floppy (which requires changing a certain
>> 499 jumper on the motherboard). If you want to do either of these, say N
>> 500 here. If MILO doesn't work on your system (true for Jensen
>> 501 motherboards), you can bypass it altogether and boot Linux directly
>> 502 from an SRM console; say Y here in order to do that. Note that you
>> 503 won't be able to boot from an IDE disk using SRM.
175 504
176 Say N here unless you know what you !! 505 If unsure, say N.
>> 506
>> 507 config ARCH_MAY_HAVE_PC_FDC
>> 508 def_bool y
177 509
178 config NIOS2_IO_REGION_BASE !! 510 config SMP
179 hex "Virtual base address of the I/O r !! 511 bool "Symmetric multi-processing support"
180 default "0xe0000000" !! 512 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 513 help
>> 514 This enables support for systems with more than one CPU. If you have
>> 515 a system with only one CPU, say N. If you have a system with more
>> 516 than one CPU, say Y.
>> 517
>> 518 If you say N here, the kernel will run on uni- and multiprocessor
>> 519 machines, but will use only one CPU of a multiprocessor machine. If
>> 520 you say Y here, the kernel will run on many, but not all,
>> 521 uniprocessor machines. On a uniprocessor machine, the kernel
>> 522 will run faster if you say N here.
>> 523
>> 524 See also the SMP-HOWTO available at
>> 525 <https://www.tldp.org/docs.html#howto>.
>> 526
>> 527 If you don't know what to do here, say N.
>> 528
>> 529 config NR_CPUS
>> 530 int "Maximum number of CPUs (2-32)"
>> 531 range 2 32
>> 532 depends on SMP
>> 533 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 534 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 535 help
>> 536 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 537 with working support have a maximum of 4 CPUs.
>> 538
>> 539 config ARCH_SPARSEMEM_ENABLE
>> 540 bool "Sparse Memory Support"
>> 541 help
>> 542 Say Y to support efficient handling of discontiguous physical memory,
>> 543 for systems that have huge holes in the physical address space.
>> 544
>> 545 config ALPHA_WTINT
>> 546 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 547 default y if ALPHA_QEMU
>> 548 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 549 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 550 default y if SMP
>> 551 help
>> 552 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 553 to sleep until the next interrupt. This may reduce the power
>> 554 consumed, and the heat produced by the computer. However, it has
>> 555 the side effect of making the cycle counter unreliable as a timing
>> 556 device across the sleep.
>> 557
>> 558 For emulation under QEMU, definitely say Y here, as we have other
>> 559 mechanisms for measuring time than the cycle counter.
>> 560
>> 561 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 562 MILO, sleep mode is not supported so you might as well say N here.
>> 563
>> 564 For SMP systems we cannot use the cycle counter for timing anyway,
>> 565 so you might as well say Y here.
>> 566
>> 567 If unsure, say N.
>> 568
>> 569 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 570 config ALPHA_LARGE_VMALLOC
>> 571 bool
>> 572 help
>> 573 Process creation and other aspects of virtual memory management can
>> 574 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 575 allocations. This equates to about 8GB.
>> 576
>> 577 Under normal circumstances, this is so far and above what is needed
>> 578 as to be laughable. However, there are certain applications (such
>> 579 as benchmark-grade in-kernel web serving) that can make use of as
>> 580 much vmalloc space as is available.
>> 581
>> 582 Say N unless you know you need gobs and gobs of vmalloc space.
>> 583
>> 584 config VERBOSE_MCHECK
>> 585 bool "Verbose Machine Checks"
>> 586
>> 587 config VERBOSE_MCHECK_ON
>> 588 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 589 depends on VERBOSE_MCHECK
>> 590 default 1
>> 591 help
>> 592 This option allows the default printing mode to be set, and then
>> 593 possibly overridden by a boot command argument.
>> 594
>> 595 For example, if one wanted the option of printing verbose
>> 596 machine checks, but wanted the default to be as if verbose
>> 597 machine check printing was turned off, then one would choose
>> 598 the printing mode to be 0. Then, upon reboot, one could add
>> 599 the boot command line "verbose_mcheck=1" to get the normal
>> 600 verbose machine check printing, or "verbose_mcheck=2" to get
>> 601 the maximum information available.
>> 602
>> 603 Take the default (1) unless you want more control or more info.
>> 604
>> 605 choice
>> 606 prompt "Timer interrupt frequency (HZ)?"
>> 607 default HZ_128 if ALPHA_QEMU
>> 608 default HZ_1200 if ALPHA_RAWHIDE
>> 609 default HZ_1024
>> 610 help
>> 611 The frequency at which timer interrupts occur. A high frequency
>> 612 minimizes latency, whereas a low frequency minimizes overhead of
>> 613 process accounting. The later effect is especially significant
>> 614 when being run under QEMU.
>> 615
>> 616 Note that some Alpha hardware cannot change the interrupt frequency
>> 617 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 618
>> 619 config HZ_32
>> 620 bool "32 Hz"
>> 621 config HZ_64
>> 622 bool "64 Hz"
>> 623 config HZ_128
>> 624 bool "128 Hz"
>> 625 config HZ_256
>> 626 bool "256 Hz"
>> 627 config HZ_1024
>> 628 bool "1024 Hz"
>> 629 config HZ_1200
>> 630 bool "1200 Hz"
>> 631 endchoice
>> 632
>> 633 config HZ
>> 634 int
>> 635 default 32 if HZ_32
>> 636 default 64 if HZ_64
>> 637 default 128 if HZ_128
>> 638 default 256 if HZ_256
>> 639 default 1200 if HZ_1200
>> 640 default 1024
>> 641
>> 642 config SRM_ENV
>> 643 tristate "SRM environment through procfs"
>> 644 depends on PROC_FS
>> 645 help
>> 646 If you enable this option, a subdirectory inside /proc called
>> 647 /proc/srm_environment will give you access to the all important
>> 648 SRM environment variables (those which have a name) and also
>> 649 to all others (by their internal number).
>> 650
>> 651 SRM is something like a BIOS for Alpha machines. There are some
>> 652 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 653 support (hey, that's not SRM!).
>> 654
>> 655 Despite the fact that this driver doesn't work on all Alphas (but
>> 656 only on those which have SRM as their firmware), it's save to
>> 657 build it even if your particular machine doesn't know about SRM
>> 658 (or if you intend to compile a generic kernel). It will simply
>> 659 not create those subdirectory in /proc (and give you some warning,
>> 660 of course).
>> 661
>> 662 This driver is also available as a module and will be called
>> 663 srm_env then.
181 664
182 endmenu 665 endmenu
>> 666
>> 667 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 668 # but we also need it if VGA_HOSE is set
>> 669 config DUMMY_CONSOLE
>> 670 bool
>> 671 depends on VGA_HOSE
>> 672 default y
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