Kconfig 46.5 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
config MIPS
	bool
	default y
S
Sam Ravnborg 已提交
4
	select HAVE_IDE
M
Mathieu Desnoyers 已提交
5
	select HAVE_OPROFILE
L
Linus Torvalds 已提交
6 7
	# Horrible source of confusion.  Die, die, die ...
	select EMBEDDED
8
	select RTC_LIB
L
Linus Torvalds 已提交
9

10 11
mainmenu "Linux/MIPS Kernel Configuration"

L
Linus Torvalds 已提交
12 13
menu "Machine selection"

14 15 16
config ZONE_DMA
	bool

17 18 19
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
20

21 22
config MACH_ALCHEMY
	bool "Alchemy processor based machines"
L
Linus Torvalds 已提交
23

24
config BASLER_EXCITE
25
	bool "Basler eXcite smart camera"
26
	select CEVT_R4K
27
	select CSRC_R4K
28 29 30 31 32
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
33
	select MIPS_RM9122
34 35 36
	select SYS_HAS_CPU_RM9000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
37
	select SYS_SUPPORTS_KGDB
38 39
	help
	  The eXcite is a smart camera platform manufactured by
40
	  Basler Vision Technologies AG.
41

42 43
config BCM47XX
	bool "BCM47XX based boards"
44
	select CEVT_R4K
45
	select CSRC_R4K
46 47 48 49 50 51 52 53
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SSB
	select SSB_DRIVER_MIPS
54 55
	select SSB_DRIVER_EXTIF
	select SSB_PCICORE_HOSTMODE if PCI
56
	select GENERIC_GPIO
A
Aurelien Jarno 已提交
57 58
	select SYS_HAS_EARLY_PRINTK
	select CFE
59 60 61
	help
	 Support for BCM47XX based boards

L
Linus Torvalds 已提交
62
config MIPS_COBALT
63
	bool "Cobalt Server"
64
	select CEVT_R4K
65
	select CSRC_R4K
66
	select CEVT_GT641XX
L
Linus Torvalds 已提交
67 68
	select DMA_NONCOHERENT
	select HW_HAS_PCI
69
	select I8253
L
Linus Torvalds 已提交
70 71
	select I8259
	select IRQ_CPU
Y
Yoichi Yuasa 已提交
72
	select IRQ_GT641XX
73
	select PCI_GT64XXX_PCI0
74
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
75
	select SYS_HAS_EARLY_PRINTK
76
	select SYS_SUPPORTS_32BIT_KERNEL
77
	select SYS_SUPPORTS_64BIT_KERNEL
78
	select SYS_SUPPORTS_LITTLE_ENDIAN
79
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
80 81

config MACH_DECSTATION
82
	bool "DECstations"
L
Linus Torvalds 已提交
83
	select BOOT_ELF32
84
	select CEVT_DS1287
85
	select CEVT_R4K
86
	select CSRC_IOASIC
87
	select CSRC_R4K
88 89 90
	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
L
Linus Torvalds 已提交
91
	select DMA_NONCOHERENT
92
	select NO_IOPORT
L
Linus Torvalds 已提交
93
	select IRQ_CPU
94 95
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
96 97
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
98
	select SYS_SUPPORTS_LITTLE_ENDIAN
99 100 101
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
102
	help
L
Linus Torvalds 已提交
103 104 105 106 107 108 109
	  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:

110 111 112 113
		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
L
Linus Torvalds 已提交
114 115 116

	  otherwise choose R3000.

117
config MACH_JAZZ
118
	bool "Jazz family of machines"
119 120 121
	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
122
	select CEVT_R4K
123
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
124
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
125
	select GENERIC_ISA_DMA
T
Thomas Bogendoerfer 已提交
126
	select IRQ_CPU
127
	select I8253
128 129
	select I8259
	select ISA
130
	select SYS_HAS_CPU_R4X00
131 132
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
133
	select SYS_SUPPORTS_100HZ
134
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
135
	help
136 137 138 139 140
	 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.

141 142
config LASAT
	bool "LASAT Networks platforms"
143
	select CEVT_R4K
144
	select CSRC_R4K
145 146 147
	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
148
	select IRQ_CPU
149 150 151 152 153 154 155 156 157
	select PCI_GT64XXX_PCI0
	select MIPS_NILE4
	select R5000_CPU_SCACHE
	select SYS_HAS_CPU_R5000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select GENERIC_HARDIRQS_NO__DO_IRQ

158 159 160
config LEMOTE_FULONG
	bool "Lemote Fulong mini-PC"
	select ARCH_SPARSEMEM_ENABLE
161
	select CEVT_R4K
162
	select CSRC_R4K
163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
	select SYS_HAS_CPU_LOONGSON2
	select DMA_NONCOHERENT
	select BOOT_ELF32
	select BOARD_SCACHE
	select HAVE_STD_PC_SERIAL_PORT
	select HW_HAS_PCI
	select I8259
	select ISA
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_HAS_EARLY_PRINTK
	select GENERIC_HARDIRQS_NO__DO_IRQ
178
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
179 180 181 182 183
	select CPU_HAS_WB
	help
	  Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
	  an FPGA northbridge

L
Linus Torvalds 已提交
184
config MIPS_MALTA
185
	bool "MIPS Malta board"
186
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
187
	select BOOT_ELF32
188
	select BOOT_RAW
189
	select CEVT_R4K
190
	select CSRC_R4K
L
Linus Torvalds 已提交
191 192
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
193
	select IRQ_CPU
194
	select IRQ_GIC
L
Linus Torvalds 已提交
195
	select HW_HAS_PCI
196
	select I8253
L
Linus Torvalds 已提交
197
	select I8259
198 199
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
200
	select MIPS_CPU_SCACHE
201
	select PCI_GT64XXX_PCI0
202
	select MIPS_MSC
L
Linus Torvalds 已提交
203
	select SWAP_IO_SPACE
204 205 206 207 208
	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
209
	select SYS_HAS_EARLY_PRINTK
210 211
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
212 213
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
214
	select SYS_SUPPORTS_MULTITHREADING
215
	select SYS_SUPPORTS_SMARTMIPS
L
Linus Torvalds 已提交
216
	help
217
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
218 219
	  board.

220
config MIPS_SIM
221
	bool 'MIPS simulator (MIPSsim)'
222
	select CEVT_R4K
223
	select CSRC_R4K
L
Linus Torvalds 已提交
224
	select DMA_NONCOHERENT
225
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
226
	select IRQ_CPU
M
Marc St-Jean 已提交
227
	select BOOT_RAW
228 229
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
230
	select SYS_HAS_EARLY_PRINTK
231
	select SYS_SUPPORTS_32BIT_KERNEL
232
	select SYS_SUPPORTS_BIG_ENDIAN
233
	select SYS_SUPPORTS_MULTITHREADING
234
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
235
	help
236 237
	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
L
Linus Torvalds 已提交
238

239 240
config MARKEINS
	bool "NEC EMMA2RH Mark-eins"
241
	select CEVT_R4K
242
	select CSRC_R4K
243 244 245 246 247 248 249 250 251 252 253 254
	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.

255
config MACH_VR41XX
256
	bool "NEC VR4100 series based machines"
257
	select CEVT_R4K
258
	select CSRC_R4K
259
	select SYS_HAS_CPU_VR41XX
260
	select GENERIC_HARDIRQS_NO__DO_IRQ
261

262
config PNX8550_JBS
263
	bool "NXP PNX8550 based JBS board"
264 265 266 267
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_STB810
268
	bool "NXP PNX8550 based STB810 board"
269 270 271
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

M
Marc St-Jean 已提交
272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292
config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
	depends on EXPERIMENTAL
	select DMA_NONCOHERENT
	select SWAP_IO_SPACE
	select NO_EXCEPT_FILL
	select BOOT_RAW
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_KGDB
	select IRQ_CPU
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
	help
	  This adds support for the PMC-Sierra family of Multi-Service
	  Processor System-On-A-Chips.  These parts include a number
	  of integrated peripherals, interfaces and DSPs in addition to
	  a variety of MIPS cores.

293
config PMC_YOSEMITE
294
	bool "PMC-Sierra Yosemite eval board"
295
	select CEVT_R4K
296
	select CSRC_R4K
297 298 299 300 301 302
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
303
	select SYS_HAS_CPU_RM9000
304
	select SYS_HAS_EARLY_PRINTK
305 306 307 308
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
309
	select SYS_SUPPORTS_KGDB
310
	select SYS_SUPPORTS_SMP
311 312 313
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
314 315

config SGI_IP22
316
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
317 318 319
	select ARC
	select ARC32
	select BOOT_ELF32
320
	select CEVT_R4K
321
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
322
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
323
	select DMA_NONCOHERENT
324
	select HW_HAS_EISA
325
	select I8253
326
	select I8259
L
Linus Torvalds 已提交
327 328
	select IP22_CPU_SCACHE
	select IRQ_CPU
329
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
330 331 332
	select SGI_HAS_DS1286
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
333
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
334 335 336
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
337
	select SWAP_IO_SPACE
338 339
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
340
	select SYS_HAS_EARLY_PRINTK
341 342
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
343
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
344 345 346 347 348 349
	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
350
	bool "SGI IP27 (Origin200/2000)"
L
Linus Torvalds 已提交
351 352
	select ARC
	select ARC64
353
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
354
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
355
	select DMA_IP27
356
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
357
	select HW_HAS_PCI
358
	select NR_CPUS_DEFAULT_64
359
	select SYS_HAS_CPU_R10000
360
	select SYS_SUPPORTS_64BIT_KERNEL
361
	select SYS_SUPPORTS_BIG_ENDIAN
362
	select SYS_SUPPORTS_KGDB
363
	select SYS_SUPPORTS_NUMA
364
	select SYS_SUPPORTS_SMP
365
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
366 367 368 369 370
	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.

T
Thomas Bogendoerfer 已提交
371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388
config SGI_IP28
	bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select ARC
	select ARC64
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select IRQ_CPU
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_DS1286
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
389
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
390 391 392 393 394 395 396 397 398 399 400 401
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
      help
        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
        kernel that runs on these, say Y here.

L
Linus Torvalds 已提交
402
config SGI_IP32
403
	bool "SGI IP32 (O2)"
L
Linus Torvalds 已提交
404 405 406
	select ARC
	select ARC32
	select BOOT_ELF32
407
	select CEVT_R4K
408
	select CSRC_R4K
L
Linus Torvalds 已提交
409 410
	select DMA_NONCOHERENT
	select HW_HAS_PCI
411
	select IRQ_CPU
L
Linus Torvalds 已提交
412 413
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
414 415 416
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
417
	select SYS_HAS_CPU_NEVADA
418
	select SYS_SUPPORTS_64BIT_KERNEL
419 420
	select SYS_SUPPORTS_BIG_ENDIAN
	help
421
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
422

423 424 425
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
A
Andrew Isaacson 已提交
426 427
	select BOOT_ELF32
	select DMA_COHERENT
428
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
429
	select SWAP_IO_SPACE
430
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
431 432 433
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

434 435 436
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
437
	select BOOT_ELF32
L
Linus Torvalds 已提交
438
	select DMA_COHERENT
439
	select SIBYTE_BCM1120
440
	select SWAP_IO_SPACE
441
	select SYS_HAS_CPU_SB1
442
	select SYS_SUPPORTS_BIG_ENDIAN
443
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
444

445 446
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
447 448 449
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
450
	select SIBYTE_BCM1125
451
	select SWAP_IO_SPACE
452
	select SYS_HAS_CPU_SB1
453
	select SYS_SUPPORTS_BIG_ENDIAN
454
	select SYS_SUPPORTS_HIGHMEM
455
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
456

457
config SIBYTE_RHONE
458
	bool "Sibyte BCM91125E-Rhone"
459 460 461 462 463
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
464
	select SYS_HAS_CPU_SB1
465 466
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
467

468 469
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
470
	select BOOT_ELF32
P
Pete Popov 已提交
471
	select DMA_COHERENT
472 473
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
474
	select SWAP_IO_SPACE
475
	select SYS_HAS_CPU_SB1
476
	select SYS_SUPPORTS_BIG_ENDIAN
477 478
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_KGDB
P
Pete Popov 已提交
479
	select SYS_SUPPORTS_LITTLE_ENDIAN
480
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
481

482 483
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
484 485 486
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
487
	select NR_CPUS_DEFAULT_2
488 489
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
490
	select SYS_HAS_CPU_SB1
491 492 493
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
494

495 496
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
497 498 499
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
500
	select NR_CPUS_DEFAULT_2
501 502
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
503
	select SYS_HAS_CPU_SB1
504 505
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
506

507 508
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
509 510
	select BOOT_ELF32
	select DMA_COHERENT
511 512
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
513
	select SWAP_IO_SPACE
514
	select SYS_HAS_CPU_SB1
515
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
516
	select SYS_SUPPORTS_HIGHMEM
517
	select SYS_SUPPORTS_LITTLE_ENDIAN
518
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
519

520 521
config SNI_RM
	bool "SNI RM200/300/400"
522 523
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
524
	select SNIPROM if CPU_BIG_ENDIAN
525
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
526
	select BOOT_ELF32
527
	select CEVT_R4K
528
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
529
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
530 531
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
532
	select HW_HAS_EISA
L
Linus Torvalds 已提交
533
	select HW_HAS_PCI
534
	select IRQ_CPU
535
	select I8253
L
Linus Torvalds 已提交
536 537
	select I8259
	select ISA
538
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
539
	select SYS_HAS_CPU_R4X00
540
	select SYS_HAS_CPU_R5000
541
	select SYS_HAS_CPU_R10000
542
	select R5000_CPU_SCACHE
543
	select SYS_HAS_EARLY_PRINTK
544 545
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
546
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
547
	select SYS_SUPPORTS_HIGHMEM
548
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
549
	help
550 551
	  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
552 553 554
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

555 556
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
557

558 559
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
560

561 562
config WR_PPMC
	bool "Wind River PPMC board"
563
	select CEVT_R4K
564
	select CSRC_R4K
565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583
	select IRQ_CPU
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select PCI_GT64XXX_PCI0
	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.

584
endchoice
L
Linus Torvalds 已提交
585

586
source "arch/mips/au1000/Kconfig"
587
source "arch/mips/basler/excite/Kconfig"
588
source "arch/mips/jazz/Kconfig"
589
source "arch/mips/lasat/Kconfig"
590
source "arch/mips/pmc-sierra/Kconfig"
591
source "arch/mips/sgi-ip27/Kconfig"
592
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
593
source "arch/mips/txx9/Kconfig"
594
source "arch/mips/vr41xx/Kconfig"
595

596 597
endmenu

N
Nick Piggin 已提交
598 599 600 601 602
config GENERIC_LOCKBREAK
	bool
	default y
	depends on SMP && PREEMPT

L
Linus Torvalds 已提交
603 604 605 606 607 608 609
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

610 611 612 613 614 615 616 617
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

R
Ralf Baechle 已提交
618 619 620 621
config ARCH_SUPPORTS_OPROFILE
	bool
	default y if !MIPS_MT_SMTC

622 623 624 625 626 627 628 629
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
630 631 632 633
config GENERIC_CALIBRATE_DELAY
	bool
	default y

634 635 636 637
config GENERIC_CLOCKEVENTS
	bool
	default y

638 639 640 641
config GENERIC_TIME
	bool
	default y

642 643 644 645
config GENERIC_CMOS_UPDATE
	bool
	default y

646 647 648 649
config SCHED_NO_NO_OMIT_FRAME_POINTER
	bool
	default y

650 651 652 653
config GENERIC_HARDIRQS_NO__DO_IRQ
	bool
	default n

L
Linus Torvalds 已提交
654 655 656 657 658 659
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

660 661 662
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
663 664 665
config BOOT_RAW
	bool

666 667 668
config CEVT_BCM1480
	bool

669 670 671
config CEVT_DS1287
	bool

672 673 674
config CEVT_GT641XX
	bool

675 676 677
config CEVT_R4K
	bool

678 679 680
config CEVT_SB1250
	bool

681 682 683
config CEVT_TXX9
	bool

684 685 686
config CSRC_BCM1480
	bool

687 688 689
config CSRC_IOASIC
	bool

690 691 692
config CSRC_R4K
	bool

693 694 695
config CSRC_SB1250
	bool

696 697 698 699 700
config GPIO_TXX9
	select GENERIC_GPIO
	select HAVE_GPIO_LIB
	bool

701 702 703
config CFE
	bool

704
config DMA_COHERENT
L
Linus Torvalds 已提交
705 706
	bool

707
config DMA_IP27
L
Linus Torvalds 已提交
708 709
	bool

710 711 712 713 714
config DMA_NONCOHERENT
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NEED_PCI_MAP_STATE
L
Linus Torvalds 已提交
715 716 717
	bool

config EARLY_PRINTK
718 719 720 721 722 723 724 725
	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
726 727 728
	  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,
729 730 731
	  unless you want to debug such a crash.

config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
732 733
	bool

734 735 736 737
config HOTPLUG_CPU
	bool
	default n

L
Linus Torvalds 已提交
738 739 740 741 742 743 744 745 746
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

747 748 749
config MIPS_NILE4
	bool

L
Linus Torvalds 已提交
750 751 752
config MIPS_DISABLE_OBSOLETE_IDE
	bool

753 754 755
config SYNC_R4K
	bool

756 757 758
config NO_IOPORT
	def_bool n

759 760 761 762
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n

763 764
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
765
	select GENERIC_ISA_DMA
766

Y
Yoichi Yuasa 已提交
767 768 769
config GENERIC_GPIO
	bool

770
#
M
Matt LaPlante 已提交
771
# Endianess selection.  Sufficiently obscure so many users don't know what to
772 773 774 775 776
# 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
777 778
	help
	  Some MIPS machines can be configured for either little or big endian
779
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
780
	  Linux distribution.  In general there is one preferred byteorder for a
781
	  particular system but some systems are just as commonly used in the
782
	  one or the other endianness.
783 784 785 786 787 788 789 790 791 792 793 794

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

795 796 797
config SYS_SUPPORTS_APM_EMULATION
	bool

798 799 800 801 802
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
803 804 805 806 807 808 809

config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

810 811 812
config IRQ_CPU_RM9K
	bool

M
Marc St-Jean 已提交
813 814 815 816 817 818
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

819 820 821
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
822 823 824
config IRQ_GT641XX
	bool

825 826 827
config IRQ_GIC
	bool

L
Linus Torvalds 已提交
828 829 830
config MIPS_BOARDS_GEN
	bool

831
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
832 833
	bool

M
Marc St-Jean 已提交
834 835 836
config NO_EXCEPT_FILL
	bool

837 838 839 840
config MIPS_RM9122
	bool
	select SERIAL_RM9000

841 842 843 844 845 846 847 848
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
849
	select SYS_HAS_CPU_MIPS32_R1
850
	select SYS_HAS_EARLY_PRINTK
851
	select SYS_SUPPORTS_32BIT_KERNEL
852
	select GENERIC_HARDIRQS_NO__DO_IRQ
853
	select SYS_SUPPORTS_KGDB
854
	select GENERIC_GPIO
855

L
Linus Torvalds 已提交
856 857 858
config SWAP_IO_SPACE
	bool

859 860 861 862 863
config EMMA2RH
	bool
	depends on MARKEINS
	default y

864 865 866
config SERIAL_RM9000
	bool

T
Thomas Bogendoerfer 已提交
867 868 869 870 871 872
config SGI_HAS_DS1286
	bool

config SGI_HAS_INDYDOG
	bool

873 874 875
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
config SGI_HAS_SEEQ
	bool

config SGI_HAS_WD93
	bool

config SGI_HAS_ZILOG
	bool

config SGI_HAS_I8042
	bool

config DEFAULT_SGI_PARTITION
	bool

891 892 893
config ARC32
	bool

894 895 896
config SNIPROM
	bool

L
Linus Torvalds 已提交
897 898 899 900 901
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
T
Thomas Bogendoerfer 已提交
902
	default "4" if MACH_DECSTATION
903
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
M
Marc St-Jean 已提交
904
	default "4" if PMC_MSP4200_EVAL
L
Linus Torvalds 已提交
905 906 907 908 909 910 911
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
912
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
913 914 915

config ARC_MEMORY
	bool
916
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
917 918 919 920
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
921
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
922 923 924 925 926 927 928 929 930 931 932 933 934 935
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

936 937 938 939 940 941 942 943 944 945
config CPU_LOONGSON2
	bool "Loongson 2"
	depends on SYS_HAS_CPU_LOONGSON2
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

946 947
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
948
	depends on SYS_HAS_CPU_MIPS32_R1
949
	select CPU_HAS_LLSC
950
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
951
	select CPU_SUPPORTS_32BIT_KERNEL
952
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
953
	help
954
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
955 956 957 958 959 960 961 962 963 964 965
	  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"
966
	depends on SYS_HAS_CPU_MIPS32_R2
967
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
968
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
969
	select CPU_SUPPORTS_32BIT_KERNEL
970
	select CPU_SUPPORTS_HIGHMEM
971
	help
972
	  Choose this option to build a kernel for release 2 or later of the
973 974 975 976 977 978 979
	  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"
980
	depends on SYS_HAS_CPU_MIPS64_R1
981
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
982
	select CPU_HAS_PREFETCH
983 984
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
985
	select CPU_SUPPORTS_HIGHMEM
986 987 988 989 990 991
	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
992 993 994 995 996 997 998
	  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"
999
	depends on SYS_HAS_CPU_MIPS64_R2
1000
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
1001
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1002 1003
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1004
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1005 1006 1007 1008 1009 1010
	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
1011 1012 1013

config CPU_R3000
	bool "R3000"
1014
	depends on SYS_HAS_CPU_R3000
1015
	select CPU_HAS_WB
1016
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1017
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
	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"
1028
	depends on SYS_HAS_CPU_TX39XX
1029
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1030 1031 1032

config CPU_VR41XX
	bool "R41xx"
1033
	depends on SYS_HAS_CPU_VR41XX
1034 1035
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1036
	help
1037
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1038 1039 1040 1041 1042 1043
	  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"
1044
	depends on SYS_HAS_CPU_R4300
1045
	select CPU_HAS_LLSC
1046 1047
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1048 1049 1050 1051 1052
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1053
	depends on SYS_HAS_CPU_R4X00
1054
	select CPU_HAS_LLSC
1055 1056
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1057 1058 1059 1060 1061 1062
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1063
	depends on SYS_HAS_CPU_TX49XX
1064
	select CPU_HAS_LLSC
A
Atsushi Nemoto 已提交
1065
	select CPU_HAS_PREFETCH
1066 1067
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1068 1069 1070

config CPU_R5000
	bool "R5000"
1071
	depends on SYS_HAS_CPU_R5000
1072
	select CPU_HAS_LLSC
1073 1074
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1075 1076 1077 1078 1079
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1080
	depends on SYS_HAS_CPU_R5432
1081
	select CPU_HAS_LLSC
1082 1083
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1084 1085 1086

config CPU_R6000
	bool "R6000"
1087
	depends on EXPERIMENTAL
1088
	select CPU_HAS_LLSC
1089
	depends on SYS_HAS_CPU_R6000
1090
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1091 1092
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1093
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1094 1095 1096

config CPU_NEVADA
	bool "RM52xx"
1097
	depends on SYS_HAS_CPU_NEVADA
1098
	select CPU_HAS_LLSC
1099 1100
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1101 1102 1103 1104 1105
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1106
	depends on EXPERIMENTAL
1107
	depends on SYS_HAS_CPU_R8000
1108
	select CPU_HAS_LLSC
1109
	select CPU_HAS_PREFETCH
1110
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1111 1112 1113 1114 1115 1116
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1117
	depends on SYS_HAS_CPU_R10000
1118
	select CPU_HAS_LLSC
1119
	select CPU_HAS_PREFETCH
1120 1121
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1122
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1123 1124 1125 1126 1127
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1128
	depends on SYS_HAS_CPU_RM7000
1129
	select CPU_HAS_LLSC
1130
	select CPU_HAS_PREFETCH
1131 1132
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1133
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1134 1135 1136

config CPU_RM9000
	bool "RM9000"
1137
	depends on SYS_HAS_CPU_RM9000
1138
	select CPU_HAS_LLSC
1139
	select CPU_HAS_PREFETCH
1140 1141
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1142
	select CPU_SUPPORTS_HIGHMEM
1143
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1144 1145 1146

config CPU_SB1
	bool "SB1"
1147
	depends on SYS_HAS_CPU_SB1
1148
	select CPU_HAS_LLSC
1149 1150
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1151
	select CPU_SUPPORTS_HIGHMEM
1152
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1153 1154 1155

endchoice

1156 1157 1158
config SYS_HAS_CPU_LOONGSON2
	bool

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 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215
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

1216 1217 1218 1219
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1220 1221
config WEAK_ORDERING
	bool
1222 1223 1224 1225 1226 1227 1228

#
# CPU may reorder reads and writes beyond LL/SC
# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
#
config WEAK_REORDERING_BEYOND_LLSC
	bool
1229 1230 1231
endmenu

#
C
Chris Dearman 已提交
1232
# These two indicate any level of the MIPS32 and MIPS64 architecture
1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
#
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
1243
# These two indicate the revision of the architecture, either Release 1 or Release 2
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286
#
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
1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310
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"
1311
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1312 1313 1314
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1315 1316
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1317 1318 1319 1320 1321 1322 1323 1324

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
1325
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1326 1327 1328 1329 1330 1331 1332 1333 1334 1335

endchoice

config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1336 1337 1338 1339 1340 1341 1342
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
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
1360
	bool
L
Linus Torvalds 已提交
1361

R
Ralf Baechle 已提交
1362 1363
choice
	prompt "MIPS MT options"
1364 1365 1366 1367 1368 1369 1370 1371

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
1372

R
Ralf Baechle 已提交
1373 1374
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1375
	depends on SYS_SUPPORTS_MULTITHREADING
1376
	select CPU_MIPSR2_IRQ_VI
1377
	select CPU_MIPSR2_IRQ_EI
1378
	select MIPS_MT
1379
	select NR_CPUS_DEFAULT_2
1380
	select SMP
1381
	select SYS_SUPPORTS_SCHED_SMT if SMP
1382
	select SYS_SUPPORTS_SMP
1383
	select SMP_UP
1384
	help
R
Ralf Baechle 已提交
1385 1386
	  This is a kernel model which is also known a VSMP or lately
	  has been marketesed into SMVP.
1387

R
Ralf Baechle 已提交
1388 1389 1390 1391
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 ...
1392
	depends on SYS_SUPPORTS_MULTITHREADING
R
Ralf Baechle 已提交
1393
	select GENERIC_CLOCKEVENTS_BROADCAST
1394
	select CPU_MIPSR2_IRQ_VI
1395
	select CPU_MIPSR2_IRQ_EI
1396
	select MIPS_MT
1397
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1398
	select SMP
1399
	select SYS_SUPPORTS_SMP
1400
	select SMP_UP
1401
	help
R
Ralf Baechle 已提交
1402 1403
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
R
Ralf Baechle 已提交
1404 1405 1406

endchoice

1407 1408 1409
config MIPS_MT
	bool

1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422
config SCHED_SMT
	bool "SMT (multithreading) scheduler support"
	depends on SYS_SUPPORTS_SCHED_SMT
	default n
	help
	  SMT scheduler support improves the CPU scheduler's decision making
	  when dealing with MIPS MT enabled cores at a cost of slightly
	  increased overhead in some places. If unsure say N here.

config SYS_SUPPORTS_SCHED_SMT
	bool


1423 1424 1425
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1426 1427 1428
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
	depends on MIPS_MT_SMP || MIPS_MT_SMTC

config MIPS_VPE_LOADER
	bool "VPE loader support."
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select MIPS_MT
	help
	  Includes a loader for loading an elf relocatable object
	  onto another VPE and running it.
R
Ralf Baechle 已提交
1440

R
Ralf Baechle 已提交
1441 1442
config MIPS_MT_SMTC_INSTANT_REPLAY
	bool "Low-latency Dispatch of Deferred SMTC IPIs"
1443
	depends on MIPS_MT_SMTC && !PREEMPT
R
Ralf Baechle 已提交
1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
	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.

1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
	default y
	help
	  To support multiple TC microthreads acting as "CPUs" within
	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
	  during interrupt handling. To support legacy drivers and interrupt
	  controller management code, SMTC has a "backstop" to track and
	  if necessary restore the interrupt mask. This has some performance
	  impact on interrupt service overhead. Disable it only if you know
	  what you are doing.

1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480
config MIPS_MT_SMTC_IRQAFF
	bool "Support IRQ affinity API"
	depends on MIPS_MT_SMTC
	default n
	help
	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
	  for SMTC Linux kernel. Requires platform support, of which
	  an example can be found in the MIPS kernel i8259 and Malta
	  platform code.  It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
	  be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
	  interrupt dispatch, and should be used only if you know what
	  you are doing.

1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492
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
1493 1494 1495
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1496

1497 1498 1499 1500 1501 1502 1503 1504 1505 1506
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
1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
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
1523
	bool
L
Linus Torvalds 已提交
1524 1525

config CPU_HAS_LLSC
1526
	bool
L
Linus Torvalds 已提交
1527

1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539
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
1540
config CPU_HAS_WB
1541
	bool
1542

1543 1544 1545
#
# Vectored interrupt mode is an R2 feature
#
1546
config CPU_MIPSR2_IRQ_VI
1547
	bool
1548

1549 1550 1551
#
# Extended interrupt mode is an R2 feature
#
1552
config CPU_MIPSR2_IRQ_EI
1553
	bool
1554

L
Linus Torvalds 已提交
1555 1556 1557 1558 1559
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

R
Ralf Baechle 已提交
1560 1561 1562
config GENERIC_CLOCKEVENTS_BROADCAST
	bool

1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

R
Ralf Baechle 已提交
1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586
#
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
	bool
	default y

1587 1588 1589
config IRQ_PER_CPU
	bool

L
Linus Torvalds 已提交
1590 1591 1592 1593 1594 1595 1596 1597 1598
#
# - 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
1599 1600 1601
# - 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
1602 1603 1604
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
1605 1606 1607 1608 1609 1610 1611
	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
1612

1613 1614 1615
config SYS_SUPPORTS_SMARTMIPS
	bool

1616 1617 1618 1619
config ARCH_FLATMEM_ENABLE
	def_bool y
	depends on !NUMA

1620 1621 1622 1623
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
1624
	  Say Y to support efficient handling of discontiguous physical memory,
1625 1626 1627 1628
	  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.

1629 1630 1631
config ARCH_POPULATES_NODE_MAP
	def_bool y

1632 1633
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
1634
	select SPARSEMEM_STATIC
1635

1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648
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
1649 1650 1651 1652 1653
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

1654 1655
source "mm/Kconfig"

L
Linus Torvalds 已提交
1656 1657
config SMP
	bool "Multi-Processing support"
1658
	depends on SYS_SUPPORTS_SMP
1659
	select IRQ_PER_CPU
1660
	select USE_GENERIC_SMP_HELPERS
1661
	help
L
Linus Torvalds 已提交
1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674
	  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.

A
Adrian Bunk 已提交
1675 1676
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
1677 1678 1679

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

1680 1681 1682
config SMP_UP
	bool

1683 1684 1685
config SYS_SUPPORTS_SMP
	bool

1686 1687 1688
config NR_CPUS_DEFAULT_1
	bool

1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
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
1707 1708
config NR_CPUS
	int "Maximum number of CPUs (2-64)"
1709
	range 1 64 if NR_CPUS_DEFAULT_1
L
Linus Torvalds 已提交
1710
	depends on SMP
1711
	default "1" if NR_CPUS_DEFAULT_1
1712 1713 1714 1715 1716 1717
	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
1718 1719 1720 1721
	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
1722 1723
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
1724 1725

	  This is purely to save memory - each supported CPU adds
1726 1727 1728
	  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
1729

1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SMP
	select SYNC_R4K
	select SYS_SUPPORTS_SCHED_SMT
	select WEAK_ORDERING
	default n
	help
	  This is a placeholder option for the GCMP work. It will need to
	  be handled differently...

1741 1742
source "kernel/time/Kconfig"

1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
1754
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 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 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813

	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
1814
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
1815 1816 1817

config MIPS_INSANE_LARGE
	bool "Support for large 64-bit configurations"
1818
	depends on CPU_R10000 && 64BIT
L
Linus Torvalds 已提交
1819 1820 1821 1822 1823 1824 1825
	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.

1826 1827 1828 1829 1830 1831
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
1832
	  but it is independent of the system firmware.   And like a reboot
1833 1834
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
1835
	  The name comes from the similarity to the exec system call.
1836 1837 1838 1839 1840 1841 1842 1843 1844

	  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"
1845
	depends on PROC_FS
1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
	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.

1860 1861
endmenu

L
Linus Torvalds 已提交
1862 1863 1864 1865
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

1866 1867 1868 1869 1870 1871 1872 1873
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

1874 1875
source "init/Kconfig"

L
Linus Torvalds 已提交
1876 1877
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

1878 1879
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
1880 1881 1882 1883 1884 1885
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
1886
	select PCI_DOMAINS
L
Linus Torvalds 已提交
1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907
	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.

config PCI_DOMAINS
	bool

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"
1908
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
1909
	select ISA
1910
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
	---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

1943 1944 1945
config I8253
	bool

1946 1947 1948
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1964
	depends on 64BIT
L
Linus Torvalds 已提交
1965 1966 1967 1968 1969 1970 1971 1972 1973 1974
	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

1975 1976 1977 1978 1979
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
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

2005 2006 2007 2008
endmenu

menu "Power management options"

J
Johannes Berg 已提交
2009 2010 2011 2012
config ARCH_SUSPEND_POSSIBLE
	def_bool y
	depends on !SMP

2013
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2014

L
Linus Torvalds 已提交
2015 2016
endmenu

2017 2018
source "net/Kconfig"

L
Linus Torvalds 已提交
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"