Kconfig 46.7 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3 4 5 6
config MIPS
	bool
	default y
	# Horrible source of confusion.  Die, die, die ...
	select EMBEDDED

7 8
mainmenu "Linux/MIPS Kernel Configuration"

L
Linus Torvalds 已提交
9 10
menu "Machine selection"

11 12 13
config ZONE_DMA
	bool

14 15 16
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
17

18 19
config MACH_ALCHEMY
	bool "Alchemy processor based machines"
L
Linus Torvalds 已提交
20

21
config BASLER_EXCITE
22
	bool "Basler eXcite smart camera"
23 24 25 26 27
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
28
	select MIPS_RM9122
29 30 31 32
	select SYS_HAS_CPU_RM9000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
33
	select SYS_SUPPORTS_KGDB
34 35
	help
	  The eXcite is a smart camera platform manufactured by
36
	  Basler Vision Technologies AG.
37 38 39 40 41 42 43 44 45 46 47

config BASLER_EXCITE_PROTOTYPE
	bool "Support for pre-release units"
	depends on BASLER_EXCITE
	default n
	help
	  Pre-series (prototype) units are different from later ones in
	  some ways. Select this option if you have one of these. Please
	  note that a kernel built with this option selected will not be
	  able to run on normal units.

L
Linus Torvalds 已提交
48
config MIPS_COBALT
49
	bool "Cobalt Server"
L
Linus Torvalds 已提交
50 51 52 53
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select I8259
	select IRQ_CPU
54
	select PCI_GT64XXX_PCI0
55
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
56
	select SYS_HAS_EARLY_PRINTK
57 58
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
59
	select SYS_SUPPORTS_LITTLE_ENDIAN
60
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
61 62

config MACH_DECSTATION
63
	bool "DECstations"
L
Linus Torvalds 已提交
64 65
	select BOOT_ELF32
	select DMA_NONCOHERENT
66
	select NO_IOPORT
L
Linus Torvalds 已提交
67
	select IRQ_CPU
68 69
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
70 71
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
72
	select SYS_SUPPORTS_LITTLE_ENDIAN
73 74 75
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
76
	help
L
Linus Torvalds 已提交
77 78 79 80 81 82 83 84 85 86 87 88 89 90
	  This enables support for DEC's MIPS based workstations.  For details
	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
	  DECstation porting pages on <http://decstation.unix-ag.org/>.

	  If you have one of the following DECstation Models you definitely
	  want to choose R4xx0 for the CPU Type:

	  	DECstation 5000/50
	  	DECstation 5000/150
	  	DECstation 5000/260
	  	DECsystem 5900/260

	  otherwise choose R3000.

91
config MACH_JAZZ
92
	bool "Jazz family of machines"
93 94 95 96
	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
	select GENERIC_ISA_DMA
97
	select I8253
98 99
	select I8259
	select ISA
100
	select SYS_HAS_CPU_R4X00
101 102
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
103
	select SYS_SUPPORTS_100HZ
104
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
105
	help
106 107 108 109 110 111
	 This a family of machines based on the MIPS R4030 chipset which was
	 used by several vendors to build RISC/os and Windows NT workstations.
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
	 Olivetti M700-10 workstations.

config LASAT
112
	bool "LASAT Networks platforms"
113
	select DMA_NONCOHERENT
114
	select SYS_HAS_EARLY_PRINTK
115
	select HW_HAS_PCI
116
	select PCI_GT64XXX_PCI0
117 118
	select MIPS_NILE4
	select R5000_CPU_SCACHE
119
	select SYS_HAS_CPU_R5000
120
	select SYS_SUPPORTS_32BIT_KERNEL
121
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
122
	select SYS_SUPPORTS_LITTLE_ENDIAN
123
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
124 125

config MIPS_ATLAS
126
	bool "MIPS Atlas board"
L
Linus Torvalds 已提交
127 128
	select BOOT_ELF32
	select DMA_NONCOHERENT
129
	select SYS_HAS_EARLY_PRINTK
130
	select IRQ_CPU
L
Linus Torvalds 已提交
131
	select HW_HAS_PCI
132 133
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
134
	select PCI_GT64XXX_PCI0
135
	select MIPS_MSC
136
	select RM7000_CPU_SCACHE
L
Linus Torvalds 已提交
137
	select SWAP_IO_SPACE
138 139 140 141 142
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
143 144
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
145 146
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
147
	select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
148
	select SYS_SUPPORTS_SMARTMIPS
149
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
150
	help
151
	  This enables support for the MIPS Technologies Atlas evaluation
L
Linus Torvalds 已提交
152 153 154
	  board.

config MIPS_MALTA
155
	bool "MIPS Malta board"
156
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
157 158 159 160
	select BOOT_ELF32
	select HAVE_STD_PC_SERIAL_PORT
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
161
	select IRQ_CPU
L
Linus Torvalds 已提交
162 163
	select HW_HAS_PCI
	select I8259
164 165
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
166
	select MIPS_CPU_SCACHE
167
	select PCI_GT64XXX_PCI0
168
	select MIPS_MSC
L
Linus Torvalds 已提交
169
	select SWAP_IO_SPACE
170 171 172 173 174
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
175
	select SYS_HAS_EARLY_PRINTK
176 177
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
178 179
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
180
	select SYS_SUPPORTS_MULTITHREADING
181
	select SYS_SUPPORTS_SMARTMIPS
L
Linus Torvalds 已提交
182
	help
183
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
184 185 186
	  board.

config MIPS_SEAD
187
	bool "MIPS SEAD board (EXPERIMENTAL)"
L
Linus Torvalds 已提交
188 189 190
	depends on EXPERIMENTAL
	select IRQ_CPU
	select DMA_NONCOHERENT
191
	select SYS_HAS_EARLY_PRINTK
192
	select MIPS_BOARDS_GEN
193 194 195
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
196
	select SYS_SUPPORTS_32BIT_KERNEL
197 198 199
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
200
	select SYS_SUPPORTS_SMARTMIPS
201 202 203
	help
	  This enables support for the MIPS Technologies SEAD evaluation
	  board.
L
Linus Torvalds 已提交
204

205
config WR_PPMC
206
	bool "Wind River PPMC board"
207 208 209 210
	select IRQ_CPU
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
211
	select PCI_GT64XXX_PCI0
212 213 214 215 216 217 218 219 220 221 222 223 224 225
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	help
	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
	  board, which is based on GT64120 bridge chip.

226
config MIPS_SIM
227
	bool 'MIPS simulator (MIPSsim)'
L
Linus Torvalds 已提交
228
	select DMA_NONCOHERENT
229
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
230
	select IRQ_CPU
231 232
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
233
	select SYS_HAS_EARLY_PRINTK
234
	select SYS_SUPPORTS_32BIT_KERNEL
235
	select SYS_SUPPORTS_BIG_ENDIAN
236
	select SYS_SUPPORTS_MULTITHREADING
237
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
238
	help
239 240
	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
L
Linus Torvalds 已提交
241

242
config MOMENCO_OCELOT
243
	bool "Momentum Ocelot board"
L
Linus Torvalds 已提交
244 245 246
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
247
	select IRQ_CPU_RM7K
248
	select PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
249 250
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
251
	select SYS_HAS_CPU_RM7000
252 253
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
254
	select SYS_SUPPORTS_BIG_ENDIAN
255
	select SYS_SUPPORTS_KGDB
L
Linus Torvalds 已提交
256 257 258 259 260
	help
	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
	  Momentum Computer <http://www.momenco.com/>.

config MOMENCO_OCELOT_3
261
	bool "Momentum Ocelot-3 board"
L
Linus Torvalds 已提交
262 263 264 265 266 267 268 269 270
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_MV64340
	select PCI_MARVELL
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
271
	select SYS_HAS_CPU_RM9000
272 273
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
274
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
275 276 277 278
	help
	  The Ocelot-3 is based off Discovery III System Controller and
	  PMC-Sierra Rm79000 core.

279
config MOMENCO_OCELOT_C
280
	bool "Momentum Ocelot-C board"
L
Linus Torvalds 已提交
281 282 283 284 285 286 287
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_MV64340
	select PCI_MARVELL
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
288
	select SYS_HAS_CPU_RM7000
289
	select SYS_SUPPORTS_32BIT_KERNEL
290
	select SYS_SUPPORTS_64BIT_KERNEL
291
	select SYS_SUPPORTS_BIG_ENDIAN
292
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
293
	help
294
	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
L
Linus Torvalds 已提交
295 296
	  Momentum Computer <http://www.momenco.com/>.

297
config PNX8550_JBS
298
	bool "Philips PNX8550 based JBS board"
299 300
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN
301 302

config PNX8550_STB810
303
	bool "Philips PNX8550 based STB810 board"
304 305
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN
306

L
Linus Torvalds 已提交
307
config DDB5477
308
	bool "NEC DDB Vrc-5477"
309
	select DDB5XXX_COMMON
L
Linus Torvalds 已提交
310 311 312 313
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select I8259
	select IRQ_CPU
314
	select SYS_HAS_CPU_R5432
315 316
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
317 318
	select SYS_SUPPORTS_KGDB
	select SYS_SUPPORTS_KGDB
319
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
320 321 322 323 324 325 326
	help
	  This enables support for the R5432-based NEC DDB Vrc-5477,
	  or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.

	  Features : kernel debugging, serial terminal, NFS root fs, on-board
	  ether port USB, AC97, PCI, etc.

327
config MACH_VR41XX
328
	bool "NEC VR4100 series based machines"
329
	select SYS_HAS_CPU_VR41XX
330
	select GENERIC_HARDIRQS_NO__DO_IRQ
331 332

config PMC_YOSEMITE
333
	bool "PMC-Sierra Yosemite eval board"
334 335 336 337 338 339
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
340
	select SYS_HAS_CPU_RM9000
341
	select SYS_HAS_EARLY_PRINTK
342 343 344 345
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
346
	select SYS_SUPPORTS_KGDB
347
	select SYS_SUPPORTS_SMP
348 349 350
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
351

352
config QEMU
353
	bool "Qemu"
354 355 356
	select DMA_COHERENT
	select GENERIC_ISA_DMA
	select HAVE_STD_PC_SERIAL_PORT
357
	select I8253
358 359 360
	select I8259
	select ISA
	select SWAP_IO_SPACE
361
	select SYS_HAS_CPU_MIPS32_R1
362 363
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
364
	select SYS_SUPPORTS_LITTLE_ENDIAN
365
	select ARCH_SPARSEMEM_ENABLE
366
	select GENERIC_HARDIRQS_NO__DO_IRQ
367 368
	select NR_CPUS_DEFAULT_1
	select SYS_SUPPORTS_SMP
369
	help
370 371 372 373 374 375
	  Qemu is a software emulator which among other architectures also
	  can simulate a MIPS32 4Kc system.  This patch adds support for the
	  system architecture that currently is being simulated by Qemu.  It
	  will eventually be removed again when Qemu has the capability to
	  simulate actual MIPS hardware platforms.  More information on Qemu
	  can be found at http://www.linux-mips.org/wiki/Qemu.
376

377
config MARKEINS
378
	bool "NEC EMMA2RH Mark-eins"
379 380 381 382 383 384 385 386 387 388 389 390
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_HAS_CPU_R5000
	help
	  This enables support for the R5432-based NEC Mark-eins
	  boards with R5500 CPU.

L
Linus Torvalds 已提交
391
config SGI_IP22
392
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
393 394 395 396
	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
397
	select HW_HAS_EISA
L
Linus Torvalds 已提交
398 399
	select IP22_CPU_SCACHE
	select IRQ_CPU
400
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
L
Linus Torvalds 已提交
401
	select SWAP_IO_SPACE
402 403
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
404
	select SYS_HAS_EARLY_PRINTK
405 406
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
407
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
408 409 410 411 412 413
	help
	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
	  that runs on these, say Y here.

config SGI_IP27
414
	bool "SGI IP27 (Origin200/2000)"
L
Linus Torvalds 已提交
415 416
	select ARC
	select ARC64
417
	select BOOT_ELF64
L
Linus Torvalds 已提交
418
	select DMA_IP27
419
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
420
	select HW_HAS_PCI
421
	select NR_CPUS_DEFAULT_64
L
Linus Torvalds 已提交
422
	select PCI_DOMAINS
423
	select SYS_HAS_CPU_R10000
424
	select SYS_SUPPORTS_64BIT_KERNEL
425
	select SYS_SUPPORTS_BIG_ENDIAN
426
	select SYS_SUPPORTS_KGDB
427
	select SYS_SUPPORTS_NUMA
428
	select SYS_SUPPORTS_SMP
429
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
430 431 432 433 434 435
	help
	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
	  workstations.  To compile a Linux kernel that runs on these, say Y
	  here.

config SGI_IP32
436
	bool "SGI IP32 (O2) (EXPERIMENTAL)"
437
	depends on EXPERIMENTAL
L
Linus Torvalds 已提交
438 439 440 441 442 443 444
	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
445 446 447
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
448
	select SYS_HAS_CPU_NEVADA
449
	select SYS_SUPPORTS_64BIT_KERNEL
450 451
	select SYS_SUPPORTS_BIG_ENDIAN
	help
452
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
453

A
Andrew Isaacson 已提交
454
config SIBYTE_BIGSUR
455
	bool "Sibyte BCM91480B-BigSur"
A
Andrew Isaacson 已提交
456 457
	select BOOT_ELF32
	select DMA_COHERENT
458
	select NR_CPUS_DEFAULT_4
459
	select PCI_DOMAINS
A
Andrew Isaacson 已提交
460 461
	select SIBYTE_BCM1x80
	select SWAP_IO_SPACE
462
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
463 464 465
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

466
config SIBYTE_SWARM
467
	bool "Sibyte BCM91250A-SWARM"
468
	select BOOT_ELF32
L
Linus Torvalds 已提交
469
	select DMA_COHERENT
470
	select NR_CPUS_DEFAULT_2
471 472
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
473
	select SYS_HAS_CPU_SB1
474
	select SYS_SUPPORTS_BIG_ENDIAN
475
	select SYS_SUPPORTS_HIGHMEM
476
	select SYS_SUPPORTS_KGDB
477
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
478

479
config SIBYTE_SENTOSA
480
	bool "Sibyte BCM91250E-Sentosa"
481 482 483
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
484
	select NR_CPUS_DEFAULT_2
485 486
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
487
	select SYS_HAS_CPU_SB1
488 489
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
490

491
config SIBYTE_RHONE
492
	bool "Sibyte BCM91125E-Rhone"
493 494 495 496 497
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
498
	select SYS_HAS_CPU_SB1
499 500
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
501

502
config SIBYTE_CARMEL
503
	bool "Sibyte BCM91120x-Carmel"
504 505
	depends on EXPERIMENTAL
	select BOOT_ELF32
P
Pete Popov 已提交
506
	select DMA_COHERENT
507 508
	select SIBYTE_BCM1120
	select SWAP_IO_SPACE
509
	select SYS_HAS_CPU_SB1
510
	select SYS_SUPPORTS_BIG_ENDIAN
P
Pete Popov 已提交
511 512
	select SYS_SUPPORTS_LITTLE_ENDIAN

513
config SIBYTE_PTSWARM
514
	bool "Sibyte BCM91250PT-PTSWARM"
515 516 517
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
518
	select NR_CPUS_DEFAULT_2
519 520
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
521
	select SYS_HAS_CPU_SB1
522 523 524
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
525

526
config SIBYTE_LITTLESUR
527
	bool "Sibyte BCM91250C2-LittleSur"
528 529 530
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
531
	select NR_CPUS_DEFAULT_2
532 533
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
534
	select SYS_HAS_CPU_SB1
535 536 537
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
538

539
config SIBYTE_CRHINE
540
	bool "Sibyte BCM91120C-CRhine"
541 542 543 544 545
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1120
	select SWAP_IO_SPACE
546
	select SYS_HAS_CPU_SB1
547 548
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
549

550
config SIBYTE_CRHONE
551
	bool "Sibyte BCM91125C-CRhone"
552 553 554 555 556
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125
	select SWAP_IO_SPACE
557
	select SYS_HAS_CPU_SB1
558 559 560
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
561

562 563
config SNI_RM
	bool "SNI RM200/300/400"
564 565
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
566
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
567 568 569
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
570
	select HW_HAS_EISA
L
Linus Torvalds 已提交
571
	select HW_HAS_PCI
572
	select IRQ_CPU
573
	select I8253
L
Linus Torvalds 已提交
574 575
	select I8259
	select ISA
576
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
577
	select SYS_HAS_CPU_R4X00
578
	select SYS_HAS_CPU_R5000
579
	select SYS_HAS_CPU_R10000
580
	select R5000_CPU_SCACHE
581
	select SYS_HAS_EARLY_PRINTK
582 583
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
584
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
585
	select SYS_SUPPORTS_HIGHMEM
586
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
587
	help
588 589
	  The SNI RM200/300/400 are MIPS-based machines manufactured by
	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
L
Linus Torvalds 已提交
590 591 592
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

593
config TOSHIBA_JMR3927
594
	bool "Toshiba JMR-TX3927 board"
595 596 597 598
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select MIPS_TX3927
	select SWAP_IO_SPACE
599
	select SYS_HAS_CPU_TX39XX
600
	select SYS_SUPPORTS_32BIT_KERNEL
601
	select SYS_SUPPORTS_LITTLE_ENDIAN
602
	select SYS_SUPPORTS_BIG_ENDIAN
A
Atsushi Nemoto 已提交
603
	select GENERIC_HARDIRQS_NO__DO_IRQ
604

L
Linus Torvalds 已提交
605
config TOSHIBA_RBTX4927
606
	bool "Toshiba TBTX49[23]7 board"
L
Linus Torvalds 已提交
607 608 609 610 611
	select DMA_NONCOHERENT
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select SWAP_IO_SPACE
612
	select SYS_HAS_CPU_TX49XX
613 614
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
615
	select SYS_SUPPORTS_LITTLE_ENDIAN
616
	select SYS_SUPPORTS_BIG_ENDIAN
617
	select SYS_SUPPORTS_KGDB
618
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
619 620 621 622
	help
	  This Toshiba board is based on the TX4927 processor. Say Y here to
	  support this machine type

623
config TOSHIBA_RBTX4938
624
	bool "Toshiba RBTX4938 board"
625 626 627 628 629 630 631
	select HAVE_STD_PC_SERIAL_PORT
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select SWAP_IO_SPACE
632
	select SYS_HAS_CPU_TX49XX
633 634 635
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
636
	select SYS_SUPPORTS_KGDB
637
	select GENERIC_HARDIRQS_NO__DO_IRQ
638 639 640 641 642
	help
	  This Toshiba board is based on the TX4938 processor. Say Y here to
	  support this machine type

endchoice
L
Linus Torvalds 已提交
643

644
source "arch/mips/au1000/Kconfig"
645 646 647 648
source "arch/mips/ddb5xxx/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/lasat/Kconfig"
source "arch/mips/pmc-sierra/Kconfig"
649
source "arch/mips/sgi-ip27/Kconfig"
650
source "arch/mips/sibyte/Kconfig"
651
source "arch/mips/tx4927/Kconfig"
652
source "arch/mips/tx4938/Kconfig"
653
source "arch/mips/vr41xx/Kconfig"
654
source "arch/mips/philips/pnx8550/common/Kconfig"
655

656 657
endmenu

L
Linus Torvalds 已提交
658 659 660 661 662 663 664
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

665 666 667 668 669 670 671 672
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

673 674 675 676 677 678 679 680
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
681 682 683 684
config GENERIC_CALIBRATE_DELAY
	bool
	default y

685 686 687 688
config GENERIC_TIME
	bool
	default y

689 690 691 692
config SCHED_NO_NO_OMIT_FRAME_POINTER
	bool
	default y

693 694 695 696
config GENERIC_HARDIRQS_NO__DO_IRQ
	bool
	default n

L
Linus Torvalds 已提交
697 698 699 700 701 702
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

703 704 705
config ARCH_MAY_HAVE_PC_FDC
	bool

706
config DMA_COHERENT
L
Linus Torvalds 已提交
707 708
	bool

709
config DMA_IP27
L
Linus Torvalds 已提交
710 711
	bool

712 713 714 715 716 717 718 719 720
config DMA_IP32
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NONCOHERENT
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NEED_PCI_MAP_STATE
L
Linus Torvalds 已提交
721 722 723
	bool

config EARLY_PRINTK
724 725 726 727 728 729 730 731
	bool "Early printk" if EMBEDDED && DEBUG_KERNEL
	depends on SYS_HAS_EARLY_PRINTK
	default y
	help
	  This option enables special console drivers which allow the kernel
	  to print messages very early in the bootup process.

	  This is useful for kernel debugging when your machine crashes very
732 733 734
	  early before the console code is initialized. For normal operation,
	  it is not recommended because it looks ugly on some machines and
	  doesn't cooperate with an X server. You should normally say N here,
735 736 737
	  unless you want to debug such a crash.

config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
738 739 740 741
	bool

config GENERIC_ISA_DMA
	bool
742
	select ZONE_DMA
L
Linus Torvalds 已提交
743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758

config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

config MIPS_NILE4
	bool

config MIPS_DISABLE_OBSOLETE_IDE
	bool

759 760 761
config NO_IOPORT
	def_bool n

762 763
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
764
	select ZONE_DMA
765

Y
Yoichi Yuasa 已提交
766 767 768
config GENERIC_GPIO
	bool

769
#
M
Matt LaPlante 已提交
770
# Endianess selection.  Sufficiently obscure so many users don't know what to
771 772 773 774 775
# answer,so we try hard to limit the available choices.  Also the use of a
# choice statement should be more obvious to the user.
#
choice
	prompt "Endianess selection"
L
Linus Torvalds 已提交
776 777
	help
	  Some MIPS machines can be configured for either little or big endian
778
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
779
	  Linux distribution.  In general there is one preferred byteorder for a
780
	  particular system but some systems are just as commonly used in the
781
	  one or the other endianness.
782 783 784 785 786 787 788 789 790 791 792 793

config CPU_BIG_ENDIAN
	bool "Big endian"
	depends on SYS_SUPPORTS_BIG_ENDIAN

config CPU_LITTLE_ENDIAN
	bool "Little endian"
	depends on SYS_SUPPORTS_LITTLE_ENDIAN
	help

endchoice

794 795 796
config SYS_SUPPORTS_APM_EMULATION
	bool

797 798 799 800 801
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
802 803 804 805 806 807 808

config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

809 810 811
config IRQ_CPU_RM9K
	bool

L
Linus Torvalds 已提交
812 813 814 815 816
config IRQ_MV64340
	bool

config DDB5XXX_COMMON
	bool
817
	select SYS_SUPPORTS_KGDB
L
Linus Torvalds 已提交
818 819 820 821

config MIPS_BOARDS_GEN
	bool

822
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
823 824 825 826 827 828
	bool

config MIPS_TX3927
	bool
	select HAS_TXX9_SERIAL

829 830 831 832
config MIPS_RM9122
	bool
	select SERIAL_RM9000

L
Linus Torvalds 已提交
833 834 835
config PCI_MARVELL
	bool

836 837 838 839 840 841 842 843
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
844
	select SYS_HAS_CPU_MIPS32_R1
845
	select SYS_HAS_EARLY_PRINTK
846
	select SYS_SUPPORTS_32BIT_KERNEL
847
	select GENERIC_HARDIRQS_NO__DO_IRQ
848
	select SYS_SUPPORTS_KGDB
849
	select GENERIC_GPIO
850

L
Linus Torvalds 已提交
851 852 853
config SWAP_IO_SPACE
	bool

854 855 856 857 858
config EMMA2RH
	bool
	depends on MARKEINS
	default y

859 860 861
config SERIAL_RM9000
	bool

L
Linus Torvalds 已提交
862 863 864 865 866 867
#
# Unfortunately not all GT64120 systems run the chip at the same clock.
# As the user for the clock rate and try to minimize the available options.
#
choice
	prompt "Galileo Chip Clock"
Y
Yoichi Yuasa 已提交
868
	depends on MOMENCO_OCELOT
869
	default SYSCLK_100 if MOMENCO_OCELOT
L
Linus Torvalds 已提交
870 871

config SYSCLK_100
Y
Yoichi Yuasa 已提交
872
	bool "100" if MOMENCO_OCELOT
L
Linus Torvalds 已提交
873 874 875

endchoice

876 877 878
config ARC32
	bool

L
Linus Torvalds 已提交
879 880 881 882 883
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
884
	default "4" if MACH_DECSTATION || SNI_RM
L
Linus Torvalds 已提交
885 886 887 888 889 890 891 892
	default "7" if SGI_IP27
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
893
	depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
894 895 896

config ARC_MEMORY
	bool
897
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
898 899 900 901
	default y

config ARC_PROMLIB
	bool
902
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
L
Linus Torvalds 已提交
903 904 905 906 907 908 909 910 911 912 913 914 915 916
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

917 918
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
919
	depends on SYS_HAS_CPU_MIPS32_R1
920
	select CPU_HAS_LLSC
921
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
922
	select CPU_SUPPORTS_32BIT_KERNEL
923
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
924
	help
925
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
926 927 928 929 930 931 932 933 934 935 936
	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
	  Release 2 of the MIPS32 architecture is available since several
	  years so chances are you even have a MIPS32 Release 2 processor
	  in which case you should choose CPU_MIPS32_R2 instead for better
	  performance.

config CPU_MIPS32_R2
	bool "MIPS32 Release 2"
937
	depends on SYS_HAS_CPU_MIPS32_R2
938
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
939
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
940
	select CPU_SUPPORTS_32BIT_KERNEL
941
	select CPU_SUPPORTS_HIGHMEM
942
	help
943
	  Choose this option to build a kernel for release 2 or later of the
944 945 946 947 948 949 950
	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.

config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
951
	depends on SYS_HAS_CPU_MIPS64_R1
952
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
953
	select CPU_HAS_PREFETCH
954 955
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
956
	select CPU_SUPPORTS_HIGHMEM
957 958 959 960 961 962
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
R
Ralf Baechle 已提交
963 964 965 966 967 968 969
	  Release 2 of the MIPS64 architecture is available since several
	  years so chances are you even have a MIPS64 Release 2 processor
	  in which case you should choose CPU_MIPS64_R2 instead for better
	  performance.

config CPU_MIPS64_R2
	bool "MIPS64 Release 2"
970
	depends on SYS_HAS_CPU_MIPS64_R2
971
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
972
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
973 974
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
975
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
976 977 978 979 980 981
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
L
Linus Torvalds 已提交
982 983 984

config CPU_R3000
	bool "R3000"
985
	depends on SYS_HAS_CPU_R3000
986
	select CPU_HAS_WB
987
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
988
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
989 990 991 992 993 994 995 996 997 998
	help
	  Please make sure to pick the right CPU type. Linux/MIPS is not
	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
	  *not* work on R4000 machines and vice versa.  However, since most
	  of the supported machines have an R4000 (or similar) CPU, R4x00
	  might be a safe bet.  If the resulting kernel does not work,
	  try to recompile with R3000.

config CPU_TX39XX
	bool "R39XX"
999
	depends on SYS_HAS_CPU_TX39XX
1000
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1001 1002 1003

config CPU_VR41XX
	bool "R41xx"
1004
	depends on SYS_HAS_CPU_VR41XX
1005 1006
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1007
	help
1008
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1009 1010 1011 1012 1013 1014
	  Only choose this option if you have one of these processors as a
	  kernel built with this option will not run on any other type of
	  processor or vice versa.

config CPU_R4300
	bool "R4300"
1015
	depends on SYS_HAS_CPU_R4300
1016
	select CPU_HAS_LLSC
1017 1018
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1019 1020 1021 1022 1023
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1024
	depends on SYS_HAS_CPU_R4X00
1025
	select CPU_HAS_LLSC
1026 1027
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1028 1029 1030 1031 1032 1033
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1034
	depends on SYS_HAS_CPU_TX49XX
1035
	select CPU_HAS_LLSC
A
Atsushi Nemoto 已提交
1036
	select CPU_HAS_PREFETCH
1037 1038
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1039 1040 1041

config CPU_R5000
	bool "R5000"
1042
	depends on SYS_HAS_CPU_R5000
1043
	select CPU_HAS_LLSC
1044 1045
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1046 1047 1048 1049 1050
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1051
	depends on SYS_HAS_CPU_R5432
1052
	select CPU_HAS_LLSC
1053 1054
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1055 1056 1057

config CPU_R6000
	bool "R6000"
1058
	depends on EXPERIMENTAL
1059
	select CPU_HAS_LLSC
1060
	depends on SYS_HAS_CPU_R6000
1061
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1062 1063
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1064
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1065 1066 1067

config CPU_NEVADA
	bool "RM52xx"
1068
	depends on SYS_HAS_CPU_NEVADA
1069
	select CPU_HAS_LLSC
1070 1071
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1072 1073 1074 1075 1076
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1077
	depends on EXPERIMENTAL
1078
	depends on SYS_HAS_CPU_R8000
1079
	select CPU_HAS_LLSC
1080
	select CPU_HAS_PREFETCH
1081
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1082 1083 1084 1085 1086 1087
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1088
	depends on SYS_HAS_CPU_R10000
1089
	select CPU_HAS_LLSC
1090
	select CPU_HAS_PREFETCH
1091 1092
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1093
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1094 1095 1096 1097 1098
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1099
	depends on SYS_HAS_CPU_RM7000
1100
	select CPU_HAS_LLSC
1101
	select CPU_HAS_PREFETCH
1102 1103
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1104
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1105 1106 1107

config CPU_RM9000
	bool "RM9000"
1108
	depends on SYS_HAS_CPU_RM9000
1109
	select CPU_HAS_LLSC
1110
	select CPU_HAS_PREFETCH
1111 1112
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1113
	select CPU_SUPPORTS_HIGHMEM
1114
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1115 1116 1117

config CPU_SB1
	bool "SB1"
1118
	depends on SYS_HAS_CPU_SB1
1119
	select CPU_HAS_LLSC
1120 1121
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1122
	select CPU_SUPPORTS_HIGHMEM
1123
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1124 1125 1126

endchoice

1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

config SYS_HAS_CPU_R3000
	bool

config SYS_HAS_CPU_TX39XX
	bool

config SYS_HAS_CPU_VR41XX
	bool

config SYS_HAS_CPU_R4300
	bool

config SYS_HAS_CPU_R4X00
	bool

config SYS_HAS_CPU_TX49XX
	bool

config SYS_HAS_CPU_R5000
	bool

config SYS_HAS_CPU_R5432
	bool

config SYS_HAS_CPU_R6000
	bool

config SYS_HAS_CPU_NEVADA
	bool

config SYS_HAS_CPU_R8000
	bool

config SYS_HAS_CPU_R10000
	bool

config SYS_HAS_CPU_RM7000
	bool

config SYS_HAS_CPU_RM9000
	bool

config SYS_HAS_CPU_SB1
	bool

1184 1185
config WEAK_ORDERING
	bool
1186 1187 1188
endmenu

#
C
Chris Dearman 已提交
1189
# These two indicate any level of the MIPS32 and MIPS64 architecture
1190 1191 1192 1193 1194 1195 1196 1197 1198 1199
#
config CPU_MIPS32
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2

config CPU_MIPS64
	bool
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2

#
C
Chris Dearman 已提交
1200
# These two indicate the revision of the architecture, either Release 1 or Release 2
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool

menu "Kernel type"

choice

	prompt "Kernel code model"
	help
	  You should only select this option if you have a workload that
	  actually benefits from 64-bit processing or if your machine has
	  large memory.  You will only be presented a single option in this
	  menu if your system does not support both 32-bit and 64-bit kernels.

config 32BIT
	bool "32-bit kernel"
	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
	select TRAD_SIGNALS
	help
	  Select this option if you want to build a 32-bit kernel.
config 64BIT
	bool "64-bit kernel"
	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
	help
	  Select this option if you want to build a 64-bit kernel.

endchoice

L
Linus Torvalds 已提交
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
	help
	 This option select the standard 4kB Linux page size.  On some
	 R3000-family processors this is the only available page size.  Using
	 4kB page size will minimize memory consumption and is therefore
	 recommended for low memory systems.

config PAGE_SIZE_8KB
	bool "8kB"
	depends on EXPERIMENTAL && CPU_R8000
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
	  only on the R8000 processor.  Not that at the time of this writing
	  this option is still high experimental; there are also issues with
	  compatibility of user applications.

config PAGE_SIZE_16KB
	bool "16kB"
1268
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1269 1270 1271
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1272 1273
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1274 1275 1276 1277 1278 1279 1280 1281

config PAGE_SIZE_64KB
	bool "64kB"
	depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
	help
	  Using 64kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
	  all non-R3000 family processor.  Not that at the time of this
1282
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292

endchoice

config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1293 1294 1295 1296 1297 1298 1299
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
config R5000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config RM7000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config SIBYTE_DMA_PAGEOPS
	bool "Use DMA to clear/copy pages"
	depends on CPU_SB1
	help
	  Instead of using the CPU to zero and copy pages, use a Data Mover
	  channel.  These DMA channels are otherwise unused by the standard
	  SiByte Linux port.  Seems to give a small performance benefit.

config CPU_HAS_PREFETCH
1317
	bool
L
Linus Torvalds 已提交
1318

R
Ralf Baechle 已提交
1319 1320
choice
	prompt "MIPS MT options"
1321 1322 1323 1324 1325 1326 1327 1328

config MIPS_MT_DISABLED
	bool "Disable multithreading support."
	help
	  Use this option if your workload can't take advantage of
	  MIPS hardware multithreading support.  On systems that don't have
	  the option of an MT-enabled processor this option will be the only
	  option in this menu.
R
Ralf Baechle 已提交
1329

R
Ralf Baechle 已提交
1330 1331
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1332
	depends on SYS_SUPPORTS_MULTITHREADING
1333
	select CPU_MIPSR2_IRQ_VI
1334
	select CPU_MIPSR2_IRQ_EI
1335
	select CPU_MIPSR2_SRS
1336
	select MIPS_MT
1337
	select NR_CPUS_DEFAULT_2
1338
	select SMP
1339
	select SYS_SUPPORTS_SMP
1340
	help
R
Ralf Baechle 已提交
1341 1342
	  This is a kernel model which is also known a VSMP or lately
	  has been marketesed into SMVP.
1343

R
Ralf Baechle 已提交
1344 1345 1346 1347
config MIPS_MT_SMTC
	bool "SMTC: Use all TCs on all VPEs for SMP"
	depends on CPU_MIPS32_R2
	#depends on CPU_MIPS64_R2		# once there is hardware ...
1348 1349
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1350
	select CPU_MIPSR2_IRQ_EI
1351 1352
	select CPU_MIPSR2_SRS
	select MIPS_MT
1353
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1354
	select SMP
1355
	select SYS_SUPPORTS_SMP
1356
	help
R
Ralf Baechle 已提交
1357 1358
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
R
Ralf Baechle 已提交
1359

1360 1361
config MIPS_VPE_LOADER
	bool "VPE loader support."
1362
	depends on SYS_SUPPORTS_MULTITHREADING
1363 1364
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
1365
	select CPU_MIPSR2_SRS
1366
	select MIPS_MT
1367 1368 1369 1370
	help
	  Includes a loader for loading an elf relocatable object
	  onto another VPE and running it.

R
Ralf Baechle 已提交
1371 1372
endchoice

1373 1374 1375 1376 1377 1378
config MIPS_MT
	bool

config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1379 1380 1381 1382 1383
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	depends on MIPS_MT
	default y

R
Ralf Baechle 已提交
1384 1385
config MIPS_MT_SMTC_INSTANT_REPLAY
	bool "Low-latency Dispatch of Deferred SMTC IPIs"
1386
	depends on MIPS_MT_SMTC && !PREEMPT
R
Ralf Baechle 已提交
1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397
	default y
	help
	  SMTC pseudo-interrupts between TCs are deferred and queued
	  if the target TC is interrupt-inhibited (IXMT). In the first
	  SMTC prototypes, these queued IPIs were serviced on return
	  to user mode, or on entry into the kernel idle loop. The
	  INSTANT_REPLAY option dispatches them as part of local_irq_restore()
	  processing, which adds runtime overhead (hence the option to turn
	  it off), but ensures that IPIs are handled promptly even under
	  heavy I/O interrupt load.

1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409
config MIPS_VPE_LOADER_TOM
	bool "Load VPE program into memory hidden from linux"
	depends on MIPS_VPE_LOADER
	default y
	help
	  The loader can use memory that is present but has been hidden from
	  Linux using the kernel command line option "mem=xxMB". It's up to
	  you to ensure the amount you put in the option and the space your
	  program requires is less or equal to the amount physically present.

# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
config MIPS_VPE_APSP_API
1410 1411 1412
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1413

1414 1415 1416 1417 1418 1419 1420 1421 1422 1423
config MIPS_APSP_KSPD
	bool "Enable KSPD"
	depends on MIPS_VPE_APSP_API
	default y
	help
	  KSPD is a kernel daemon that accepts syscall requests from the SP
	  side, actions them and returns the results. It also handles the
	  "exit" syscall notifying other kernel modules the SP program is
	  exiting.  You probably want to say yes here.

L
Linus Torvalds 已提交
1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440
config SB1_PASS_1_WORKAROUNDS
	bool
	depends on CPU_SB1_PASS_1
	default y

config SB1_PASS_2_WORKAROUNDS
	bool
	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
	default y

config SB1_PASS_2_1_WORKAROUNDS
	bool
	depends on CPU_SB1 && CPU_SB1_PASS_2
	default y

config 64BIT_PHYS_ADDR
	bool "Support for 64-bit physical address space"
1441
	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
L
Linus Torvalds 已提交
1442 1443

config CPU_HAS_LLSC
1444
	bool
L
Linus Torvalds 已提交
1445

1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
	bool "Support for the SmartMIPS ASE"
	help
	  SmartMIPS is a extension of the MIPS32 architecture aimed at
	  increased security at both hardware and software level for
	  smartcards.  Enabling this option will allow proper use of the
	  SmartMIPS instructions by Linux applications.  However a kernel with
	  this option will not work on a MIPS core without SmartMIPS core.  If
	  you don't know you probably don't have SmartMIPS and should say N
	  here.

L
Linus Torvalds 已提交
1458
config CPU_HAS_WB
1459
	bool
1460

1461 1462 1463
#
# Vectored interrupt mode is an R2 feature
#
1464
config CPU_MIPSR2_IRQ_VI
1465
	bool
1466

1467 1468 1469
#
# Extended interrupt mode is an R2 feature
#
1470
config CPU_MIPSR2_IRQ_EI
1471
	bool
1472

1473 1474 1475
#
# Shadow registers are an R2 feature
#
1476
config CPU_MIPSR2_SRS
1477
	bool
1478

L
Linus Torvalds 已提交
1479 1480 1481 1482 1483
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

R
Ralf Baechle 已提交
1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494
#
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
	bool
	default y

1495 1496 1497
config IRQ_PER_CPU
	bool

L
Linus Torvalds 已提交
1498 1499 1500 1501 1502 1503 1504 1505 1506
#
# - Highmem only makes sense for the 32-bit kernel.
# - The current highmem code will only work properly on physically indexed
#   caches such as R3000, SB1, R7000 or those that look like they're virtually
#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
#   moment we protect the user and offer the highmem option only on machines
#   where it's known to be safe.  This will not offer highmem on a few systems
#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
#   indexed CPUs but we're playing safe.
R
Ralf Baechle 已提交
1507 1508 1509
# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
#   know they might have memory configurations that could make use of highmem
#   support.
L
Linus Torvalds 已提交
1510 1511 1512
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
1513 1514 1515 1516 1517 1518 1519
	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM

config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
L
Linus Torvalds 已提交
1520

1521 1522 1523
config SYS_SUPPORTS_SMARTMIPS
	bool

1524 1525 1526 1527
config ARCH_FLATMEM_ENABLE
	def_bool y
	depends on !NUMA

1528 1529 1530 1531
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
1532
	  Say Y to support efficient handling of discontiguous physical memory,
1533 1534 1535 1536
	  for architectures which are either NUMA (Non-Uniform Memory Access)
	  or have huge holes in the physical address space for other reasons.
	  See <file:Documentation/vm/numa> for more.

1537 1538
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
1539
	select SPARSEMEM_STATIC
1540

1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553
config NUMA
	bool "NUMA Support"
	depends on SYS_SUPPORTS_NUMA
	help
	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
	  Access).  This option improves performance on systems with more
	  than two nodes; on two node systems it is generally better to
	  leave it disabled; on single node systems disable this option
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

Y
Yasunori Goto 已提交
1554 1555 1556 1557 1558
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

1559 1560
source "mm/Kconfig"

L
Linus Torvalds 已提交
1561 1562
config SMP
	bool "Multi-Processing support"
1563
	depends on SYS_SUPPORTS_SMP
1564
	select IRQ_PER_CPU
1565
	help
L
Linus Torvalds 已提交
1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583
	  This enables support for systems with more than one CPU. If you have
	  a system with only one CPU, like most personal computers, say N. If
	  you have a system with more than one CPU, say Y.

	  If you say N here, the kernel will run on single and multiprocessor
	  machines, but will use only one CPU of a multiprocessor machine. If
	  you say Y here, the kernel will run on many, but not all,
	  singleprocessor machines. On a singleprocessor machine, the kernel
	  will run faster if you say N here.

	  People using multiprocessor machines who say Y here should also say
	  Y to "Enhanced Real Time Clock Support", below.

	  See also the <file:Documentation/smp.txt> and the SMP-HOWTO
	  available at <http://www.tldp.org/docs.html#howto>.

	  If you don't know what to do here, say N.

1584 1585 1586
config SYS_SUPPORTS_SMP
	bool

1587 1588 1589
config NR_CPUS_DEFAULT_1
	bool

1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607
config NR_CPUS_DEFAULT_2
	bool

config NR_CPUS_DEFAULT_4
	bool

config NR_CPUS_DEFAULT_8
	bool

config NR_CPUS_DEFAULT_16
	bool

config NR_CPUS_DEFAULT_32
	bool

config NR_CPUS_DEFAULT_64
	bool

L
Linus Torvalds 已提交
1608 1609
config NR_CPUS
	int "Maximum number of CPUs (2-64)"
1610
	range 1 64 if NR_CPUS_DEFAULT_1
L
Linus Torvalds 已提交
1611
	depends on SMP
1612
	default "1" if NR_CPUS_DEFAULT_1
1613 1614 1615 1616 1617 1618
	default "2" if NR_CPUS_DEFAULT_2
	default "4" if NR_CPUS_DEFAULT_4
	default "8" if NR_CPUS_DEFAULT_8
	default "16" if NR_CPUS_DEFAULT_16
	default "32" if NR_CPUS_DEFAULT_32
	default "64" if NR_CPUS_DEFAULT_64
L
Linus Torvalds 已提交
1619 1620 1621 1622
	help
	  This allows you to specify the maximum number of CPUs which this
	  kernel will support.  The maximum supported value is 32 for 32-bit
	  kernel and 64 for 64-bit kernels; the minimum value which makes
1623 1624
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
1625 1626

	  This is purely to save memory - each supported CPU adds
1627 1628 1629
	  approximately eight kilobytes to the kernel image.  For best
	  performance should round up your number of processors to the next
	  power of two.
L
Linus Torvalds 已提交
1630

1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
#
# Timer Interrupt Frequency Configuration
#

choice
	prompt "Timer frequency"
	default HZ_250
	help
	 Allows the configuration of the timer frequency.

	config HZ_48
		bool "48 HZ" if SYS_SUPPORTS_48HZ

	config HZ_100
		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_128
		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_250
		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_256
		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1000
		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1024
		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ

endchoice

config SYS_SUPPORTS_48HZ
	bool

config SYS_SUPPORTS_100HZ
	bool

config SYS_SUPPORTS_128HZ
	bool

config SYS_SUPPORTS_250HZ
	bool

config SYS_SUPPORTS_256HZ
	bool

config SYS_SUPPORTS_1000HZ
	bool

config SYS_SUPPORTS_1024HZ
	bool

config SYS_SUPPORTS_ARBIT_HZ
	bool
	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
	default 48 if HZ_48
	default 100 if HZ_100
	default 128 if HZ_128
	default 250 if HZ_250
	default 256 if HZ_256
	default 1000 if HZ_1000
	default 1024 if HZ_1024

R
Ralf Baechle 已提交
1702
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
1703 1704 1705

config MIPS_INSANE_LARGE
	bool "Support for large 64-bit configurations"
1706
	depends on CPU_R10000 && 64BIT
L
Linus Torvalds 已提交
1707 1708 1709 1710 1711 1712 1713
	help
	  MIPS R10000 does support a 44 bit / 16TB address space as opposed to
	  previous 64-bit processors which only supported 40 bit / 1TB. If you
	  need processes of more than 1TB virtual address space, say Y here.
	  This will result in additional memory usage, so it is not
	  recommended for normal users.

1714 1715 1716 1717 1718 1719
config KEXEC
	bool "Kexec system call (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	help
	  kexec is a system call that implements the ability to shutdown your
	  current kernel, and to start another kernel.  It is like a reboot
1720
	  but it is independent of the system firmware.   And like a reboot
1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747
	  you can start any kernel with it, not just Linux.

	  The name comes from the similiarity to the exec system call.

	  It is an ongoing process to be certain the hardware in a machine
	  is properly shutdown, so do not be surprised if this code does not
	  initially work for you.  It may help to enable device hotplugging
	  support.  As of this writing the exact hardware interface is
	  strongly in flux, so no good recommendation can be made.

config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
	depends on PROC_FS && BROKEN
	default y
	help
	  This kernel feature is useful for number crunching applications
	  that may need to compute untrusted bytecode during their
	  execution. By using pipes or other transports made available to
	  the process as file descriptors supporting the read/write
	  syscalls, it's possible to isolate those applications in
	  their own address space using seccomp. Once seccomp is
	  enabled via /proc/<pid>/seccomp, it cannot be disabled
	  and the task is only allowed to execute a few safe syscalls
	  defined by each seccomp mode.

	  If unsure, say Y. Only embedded should say N here.

1748 1749
endmenu

L
Linus Torvalds 已提交
1750 1751 1752 1753
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

1754 1755 1756 1757 1758 1759 1760 1761
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

1762 1763
source "init/Kconfig"

L
Linus Torvalds 已提交
1764 1765
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

1766 1767
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
	help
	  Find out whether you have a PCI motherboard. PCI is the name of a
	  bus system, i.e. the way the CPU talks to the other stuff inside
	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
	  say Y, otherwise N.

	  The PCI-HOWTO, available from
	  <http://www.tldp.org/docs.html#howto>, contains valuable
	  information about which PCI hardware does work under Linux and which
	  doesn't.

config PCI_DOMAINS
	bool
	depends on PCI

source "drivers/pci/Kconfig"

#
# ISA support is now enabled via select.  Too many systems still have the one
# or other ISA chip on the board that users don't know about so don't expect
# users to choose the right thing ...
#
config ISA
	bool

config EISA
	bool "EISA support"
1801
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
1802
	select ISA
1803
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835
	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

	  The EISA bus provided some of the features of the IBM MicroChannel
	  bus while maintaining backward compatibility with cards made for
	  the older ISA bus.  The EISA bus saw limited use between 1988 and
	  1995 when it was made obsolete by the PCI bus.

	  Say Y here if you are building a kernel for an EISA-based machine.

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

config TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
	  TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  Documentation on writing device drivers for TurboChannel
	  is available at:
	  <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.

#config ACCESSBUS
#	bool "Access.Bus support"
#	depends on TC

config MMU
	bool
	default y

1836 1837 1838
config I8253
	bool

L
Linus Torvalds 已提交
1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config BUILD_ELF64
	bool "Use 64-bit ELF format for building"
1854
	depends on 64BIT
L
Linus Torvalds 已提交
1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868
	help
	  A 64-bit kernel is usually built using the 64-bit ELF binary object
	  format as it's one that allows arbitrary 64-bit constructs.  For
	  kernels that are loaded within the KSEG compatibility segments the
	  32-bit ELF format can optionally be used resulting in a somewhat
	  smaller binary, but this option is not explicitly supported by the
	  toolchain and since binutils 2.14 it does not even work at all.

	  Say Y to use the 64-bit format or N to use the 32-bit one.

	  If unsure say Y.

config BINFMT_IRIX
	bool "Include IRIX binary compatibility"
1869
	depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
L
Linus Torvalds 已提交
1870 1871 1872

config MIPS32_COMPAT
	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1873
	depends on 64BIT
L
Linus Torvalds 已提交
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
	help
	  Select this option if you want Linux/MIPS 32-bit binary
	  compatibility. Since all software available for Linux/MIPS is
	  currently 32-bit you should say Y here.

config COMPAT
	bool
	depends on MIPS32_COMPAT
	default y

1884 1885 1886 1887 1888
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913
config MIPS32_O32
	bool "Kernel support for o32 binaries"
	depends on MIPS32_COMPAT
	help
	  Select this option if you want to run o32 binaries.  These are pure
	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
	  existing binaries are in this format.

	  If unsure, say Y.

config MIPS32_N32
	bool "Kernel support for n32 binaries"
	depends on MIPS32_COMPAT
	help
	  Select this option if you want to run n32 binaries.  These are
	  64-bit binaries using 32-bit quantities for addressing and certain
	  data that would normally be 64-bit.  They are used in special
	  cases.

	  If unsure, say N.

config BINFMT_ELF32
	bool
	default y if MIPS32_O32 || MIPS32_N32

1914 1915 1916 1917 1918
endmenu

menu "Power management options"

source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
1919

L
Linus Torvalds 已提交
1920 1921
endmenu

1922 1923
source "net/Kconfig"

L
Linus Torvalds 已提交
1924 1925 1926 1927
source "drivers/Kconfig"

source "fs/Kconfig"

1928 1929
source "arch/mips/oprofile/Kconfig"

L
Linus Torvalds 已提交
1930 1931 1932 1933 1934 1935 1936
source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"