Kconfig 46.3 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
6
	select HAVE_ARCH_KGDB
L
Linus Torvalds 已提交
7 8
	# Horrible source of confusion.  Die, die, die ...
	select EMBEDDED
9
	select RTC_LIB
L
Linus Torvalds 已提交
10

11 12
mainmenu "Linux/MIPS Kernel Configuration"

L
Linus Torvalds 已提交
13 14
menu "Machine selection"

15 16 17
config ZONE_DMA
	bool

18 19 20
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
21

22 23
config MACH_ALCHEMY
	bool "Alchemy processor based machines"
L
Linus Torvalds 已提交
24

25
config BASLER_EXCITE
26
	bool "Basler eXcite smart camera"
27
	select CEVT_R4K
28
	select CSRC_R4K
29 30 31 32 33
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
34
	select MIPS_RM9122
35 36 37 38 39
	select SYS_HAS_CPU_RM9000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	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
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 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.

292
config PMC_YOSEMITE
293
	bool "PMC-Sierra Yosemite eval board"
294
	select CEVT_R4K
295
	select CSRC_R4K
296 297 298 299 300 301
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
302
	select SYS_HAS_CPU_RM9000
303
	select SYS_HAS_EARLY_PRINTK
304 305 306 307
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
308
	select SYS_SUPPORTS_SMP
309 310 311
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
312 313

config SGI_IP22
314
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
315 316 317
	select ARC
	select ARC32
	select BOOT_ELF32
318
	select CEVT_R4K
319
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
320
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
321
	select DMA_NONCOHERENT
322
	select HW_HAS_EISA
323
	select I8253
324
	select I8259
L
Linus Torvalds 已提交
325 326
	select IP22_CPU_SCACHE
	select IRQ_CPU
327
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
328 329 330
	select SGI_HAS_DS1286
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
331
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
332 333 334
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
335
	select SWAP_IO_SPACE
336 337
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
338
	select SYS_HAS_EARLY_PRINTK
339 340
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
341
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
342 343 344 345 346 347
	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
348
	bool "SGI IP27 (Origin200/2000)"
L
Linus Torvalds 已提交
349 350
	select ARC
	select ARC64
351
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
352
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
353
	select DMA_IP27
354
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
355
	select HW_HAS_PCI
356
	select NR_CPUS_DEFAULT_64
357
	select SYS_HAS_CPU_R10000
358
	select SYS_SUPPORTS_64BIT_KERNEL
359
	select SYS_SUPPORTS_BIG_ENDIAN
360
	select SYS_SUPPORTS_NUMA
361
	select SYS_SUPPORTS_SMP
362
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
363 364 365 366 367
	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
368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
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
386
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
387 388 389 390 391 392 393 394 395 396 397 398
	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
399
config SGI_IP32
400
	bool "SGI IP32 (O2)"
L
Linus Torvalds 已提交
401 402 403
	select ARC
	select ARC32
	select BOOT_ELF32
404
	select CEVT_R4K
405
	select CSRC_R4K
L
Linus Torvalds 已提交
406 407
	select DMA_NONCOHERENT
	select HW_HAS_PCI
408
	select IRQ_CPU
L
Linus Torvalds 已提交
409 410
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
411 412 413
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
414
	select SYS_HAS_CPU_NEVADA
415
	select SYS_SUPPORTS_64BIT_KERNEL
416 417
	select SYS_SUPPORTS_BIG_ENDIAN
	help
418
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
419

420 421 422
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
A
Andrew Isaacson 已提交
423 424
	select BOOT_ELF32
	select DMA_COHERENT
425
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
426
	select SWAP_IO_SPACE
427
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
428 429 430
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

431 432 433
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
434
	select BOOT_ELF32
L
Linus Torvalds 已提交
435
	select DMA_COHERENT
436
	select SIBYTE_BCM1120
437
	select SWAP_IO_SPACE
438
	select SYS_HAS_CPU_SB1
439
	select SYS_SUPPORTS_BIG_ENDIAN
440
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
441

442 443
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
444 445 446
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
447
	select SIBYTE_BCM1125
448
	select SWAP_IO_SPACE
449
	select SYS_HAS_CPU_SB1
450
	select SYS_SUPPORTS_BIG_ENDIAN
451
	select SYS_SUPPORTS_HIGHMEM
452
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
453

454
config SIBYTE_RHONE
455
	bool "Sibyte BCM91125E-Rhone"
456 457 458 459 460
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
461
	select SYS_HAS_CPU_SB1
462 463
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
464

465 466
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
467
	select BOOT_ELF32
P
Pete Popov 已提交
468
	select DMA_COHERENT
469 470
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
471
	select SWAP_IO_SPACE
472
	select SYS_HAS_CPU_SB1
473
	select SYS_SUPPORTS_BIG_ENDIAN
474
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
475
	select SYS_SUPPORTS_LITTLE_ENDIAN
476
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
477

478 479
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
480 481 482
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
483
	select NR_CPUS_DEFAULT_2
484 485
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
486
	select SYS_HAS_CPU_SB1
487 488 489
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
490

491 492
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
493 494 495
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
496
	select NR_CPUS_DEFAULT_2
497 498
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
499
	select SYS_HAS_CPU_SB1
500 501
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
502

503 504
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
505 506
	select BOOT_ELF32
	select DMA_COHERENT
507 508
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
509
	select SWAP_IO_SPACE
510
	select SYS_HAS_CPU_SB1
511
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
512
	select SYS_SUPPORTS_HIGHMEM
513
	select SYS_SUPPORTS_LITTLE_ENDIAN
514
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
515

516 517
config SNI_RM
	bool "SNI RM200/300/400"
518 519
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
520
	select SNIPROM if CPU_BIG_ENDIAN
521
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
522
	select BOOT_ELF32
523
	select CEVT_R4K
524
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
525
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
526 527
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
528
	select HW_HAS_EISA
L
Linus Torvalds 已提交
529
	select HW_HAS_PCI
530
	select IRQ_CPU
531
	select I8253
L
Linus Torvalds 已提交
532 533
	select I8259
	select ISA
534
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
535
	select SYS_HAS_CPU_R4X00
536
	select SYS_HAS_CPU_R5000
537
	select SYS_HAS_CPU_R10000
538
	select R5000_CPU_SCACHE
539
	select SYS_HAS_EARLY_PRINTK
540 541
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
542
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
543
	select SYS_SUPPORTS_HIGHMEM
544
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
545
	help
546 547
	  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
548 549 550
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

551 552
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
553

554 555
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
556

557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select GENERIC_HARDIRQS_NO__DO_IRQ
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
	select GENERIC_GPIO
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

575 576
config WR_PPMC
	bool "Wind River PPMC board"
577
	select CEVT_R4K
578
	select CSRC_R4K
579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597
	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.

598
endchoice
L
Linus Torvalds 已提交
599

600
source "arch/mips/au1000/Kconfig"
601
source "arch/mips/basler/excite/Kconfig"
602
source "arch/mips/jazz/Kconfig"
603
source "arch/mips/lasat/Kconfig"
604
source "arch/mips/pmc-sierra/Kconfig"
605
source "arch/mips/sgi-ip27/Kconfig"
606
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
607
source "arch/mips/txx9/Kconfig"
608
source "arch/mips/vr41xx/Kconfig"
609

610 611
endmenu

N
Nick Piggin 已提交
612 613 614 615 616
config GENERIC_LOCKBREAK
	bool
	default y
	depends on SMP && PREEMPT

L
Linus Torvalds 已提交
617 618 619 620 621 622 623
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

624 625 626 627 628 629 630 631
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

R
Ralf Baechle 已提交
632 633 634 635
config ARCH_SUPPORTS_OPROFILE
	bool
	default y if !MIPS_MT_SMTC

636 637 638 639 640 641 642 643
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
644 645 646 647
config GENERIC_CALIBRATE_DELAY
	bool
	default y

648 649 650 651
config GENERIC_CLOCKEVENTS
	bool
	default y

652 653 654 655
config GENERIC_TIME
	bool
	default y

656 657 658 659
config GENERIC_CMOS_UPDATE
	bool
	default y

660 661 662 663
config SCHED_NO_NO_OMIT_FRAME_POINTER
	bool
	default y

664 665 666 667
config GENERIC_HARDIRQS_NO__DO_IRQ
	bool
	default n

L
Linus Torvalds 已提交
668 669 670 671 672 673
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

674 675 676
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
677 678 679
config BOOT_RAW
	bool

680 681 682
config CEVT_BCM1480
	bool

683 684 685
config CEVT_DS1287
	bool

686 687 688
config CEVT_GT641XX
	bool

689 690 691
config CEVT_R4K
	bool

692 693 694
config CEVT_SB1250
	bool

695 696 697
config CEVT_TXX9
	bool

698 699 700
config CSRC_BCM1480
	bool

701 702 703
config CSRC_IOASIC
	bool

704 705 706
config CSRC_R4K
	bool

707 708 709
config CSRC_SB1250
	bool

710 711
config GPIO_TXX9
	select GENERIC_GPIO
M
Michael Buesch 已提交
712
	select ARCH_REQUIRE_GPIOLIB
713 714
	bool

715 716 717
config CFE
	bool

718
config DMA_COHERENT
L
Linus Torvalds 已提交
719 720
	bool

721
config DMA_IP27
L
Linus Torvalds 已提交
722 723
	bool

724 725 726 727 728
config DMA_NONCOHERENT
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NEED_PCI_MAP_STATE
L
Linus Torvalds 已提交
729 730 731
	bool

config EARLY_PRINTK
732 733 734 735 736 737 738 739
	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
740 741 742
	  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,
743 744 745
	  unless you want to debug such a crash.

config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
746 747
	bool

748 749 750 751
config HOTPLUG_CPU
	bool
	default n

L
Linus Torvalds 已提交
752 753 754 755 756 757 758 759 760
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

761 762 763
config MIPS_NILE4
	bool

L
Linus Torvalds 已提交
764 765 766
config MIPS_DISABLE_OBSOLETE_IDE
	bool

767 768 769
config SYNC_R4K
	bool

770 771 772
config NO_IOPORT
	def_bool n

773 774 775 776
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n

777 778
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
779
	select GENERIC_ISA_DMA
780

Y
Yoichi Yuasa 已提交
781 782 783
config GENERIC_GPIO
	bool

784
#
M
Matt LaPlante 已提交
785
# Endianess selection.  Sufficiently obscure so many users don't know what to
786 787 788 789 790
# 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
791 792
	help
	  Some MIPS machines can be configured for either little or big endian
793
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
794
	  Linux distribution.  In general there is one preferred byteorder for a
795
	  particular system but some systems are just as commonly used in the
796
	  one or the other endianness.
797 798 799 800 801 802 803 804 805 806 807 808

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

809 810 811
config SYS_SUPPORTS_APM_EMULATION
	bool

812 813 814 815 816
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
817 818 819 820 821 822 823

config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

824 825 826
config IRQ_CPU_RM9K
	bool

M
Marc St-Jean 已提交
827 828 829 830 831 832
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

833 834 835
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
836 837 838
config IRQ_GT641XX
	bool

839 840 841
config IRQ_GIC
	bool

L
Linus Torvalds 已提交
842 843 844
config MIPS_BOARDS_GEN
	bool

845
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
846 847
	bool

M
Marc St-Jean 已提交
848 849 850
config NO_EXCEPT_FILL
	bool

851 852 853 854
config MIPS_RM9122
	bool
	select SERIAL_RM9000

855 856 857 858 859 860 861 862
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
863
	select SYS_HAS_CPU_MIPS32_R1
864
	select SYS_HAS_EARLY_PRINTK
865
	select SYS_SUPPORTS_32BIT_KERNEL
866
	select GENERIC_HARDIRQS_NO__DO_IRQ
867
	select GENERIC_GPIO
868

L
Linus Torvalds 已提交
869 870 871
config SWAP_IO_SPACE
	bool

872 873 874 875 876
config EMMA2RH
	bool
	depends on MARKEINS
	default y

877 878 879
config SERIAL_RM9000
	bool

T
Thomas Bogendoerfer 已提交
880 881 882 883 884 885
config SGI_HAS_DS1286
	bool

config SGI_HAS_INDYDOG
	bool

886 887 888
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
889 890 891 892 893 894 895 896 897 898 899 900 901 902 903
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

904 905 906
config ARC32
	bool

907 908 909
config SNIPROM
	bool

L
Linus Torvalds 已提交
910 911 912 913 914
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
915
	default "4" if MACH_DECSTATION || MIKROTIK_RB532
916
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
M
Marc St-Jean 已提交
917
	default "4" if PMC_MSP4200_EVAL
L
Linus Torvalds 已提交
918 919 920 921 922 923 924
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
925
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
926 927 928

config ARC_MEMORY
	bool
929
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
930 931 932 933
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
934
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
935 936 937 938 939 940 941 942 943 944 945 946 947 948
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

949 950 951 952 953 954 955 956 957 958
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.

959 960
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
961
	depends on SYS_HAS_CPU_MIPS32_R1
962
	select CPU_HAS_LLSC
963
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
964
	select CPU_SUPPORTS_32BIT_KERNEL
965
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
966
	help
967
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
968 969 970 971 972 973 974 975 976 977 978
	  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"
979
	depends on SYS_HAS_CPU_MIPS32_R2
980
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
981
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
982
	select CPU_SUPPORTS_32BIT_KERNEL
983
	select CPU_SUPPORTS_HIGHMEM
984
	help
985
	  Choose this option to build a kernel for release 2 or later of the
986 987 988 989 990 991 992
	  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"
993
	depends on SYS_HAS_CPU_MIPS64_R1
994
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
995
	select CPU_HAS_PREFETCH
996 997
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
998
	select CPU_SUPPORTS_HIGHMEM
999 1000 1001 1002 1003 1004
	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
1005 1006 1007 1008 1009 1010 1011
	  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"
1012
	depends on SYS_HAS_CPU_MIPS64_R2
1013
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
1014
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1015 1016
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1017
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1018 1019 1020 1021 1022 1023
	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
1024 1025 1026

config CPU_R3000
	bool "R3000"
1027
	depends on SYS_HAS_CPU_R3000
1028
	select CPU_HAS_WB
1029
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1030
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
	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"
1041
	depends on SYS_HAS_CPU_TX39XX
1042
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1043 1044 1045

config CPU_VR41XX
	bool "R41xx"
1046
	depends on SYS_HAS_CPU_VR41XX
1047 1048
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1049
	help
1050
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1051 1052 1053 1054 1055 1056
	  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"
1057
	depends on SYS_HAS_CPU_R4300
1058
	select CPU_HAS_LLSC
1059 1060
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1061 1062 1063 1064 1065
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1066
	depends on SYS_HAS_CPU_R4X00
1067
	select CPU_HAS_LLSC
1068 1069
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1070 1071 1072 1073 1074 1075
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1076
	depends on SYS_HAS_CPU_TX49XX
1077
	select CPU_HAS_LLSC
A
Atsushi Nemoto 已提交
1078
	select CPU_HAS_PREFETCH
1079 1080
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1081 1082 1083

config CPU_R5000
	bool "R5000"
1084
	depends on SYS_HAS_CPU_R5000
1085
	select CPU_HAS_LLSC
1086 1087
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1088 1089 1090 1091 1092
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1093
	depends on SYS_HAS_CPU_R5432
1094
	select CPU_HAS_LLSC
1095 1096
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1097 1098 1099

config CPU_R6000
	bool "R6000"
1100
	depends on EXPERIMENTAL
1101
	select CPU_HAS_LLSC
1102
	depends on SYS_HAS_CPU_R6000
1103
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1104 1105
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1106
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1107 1108 1109

config CPU_NEVADA
	bool "RM52xx"
1110
	depends on SYS_HAS_CPU_NEVADA
1111
	select CPU_HAS_LLSC
1112 1113
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1114 1115 1116 1117 1118
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1119
	depends on EXPERIMENTAL
1120
	depends on SYS_HAS_CPU_R8000
1121
	select CPU_HAS_LLSC
1122
	select CPU_HAS_PREFETCH
1123
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1124 1125 1126 1127 1128 1129
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1130
	depends on SYS_HAS_CPU_R10000
1131
	select CPU_HAS_LLSC
1132
	select CPU_HAS_PREFETCH
1133 1134
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1135
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1136 1137 1138 1139 1140
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1141
	depends on SYS_HAS_CPU_RM7000
1142
	select CPU_HAS_LLSC
1143
	select CPU_HAS_PREFETCH
1144 1145
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1146
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1147 1148 1149

config CPU_RM9000
	bool "RM9000"
1150
	depends on SYS_HAS_CPU_RM9000
1151
	select CPU_HAS_LLSC
1152
	select CPU_HAS_PREFETCH
1153 1154
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1155
	select CPU_SUPPORTS_HIGHMEM
1156
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1157 1158 1159

config CPU_SB1
	bool "SB1"
1160
	depends on SYS_HAS_CPU_SB1
1161
	select CPU_HAS_LLSC
1162 1163
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1164
	select CPU_SUPPORTS_HIGHMEM
1165
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1166 1167 1168

endchoice

1169 1170 1171
config SYS_HAS_CPU_LOONGSON2
	bool

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 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228
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

1229 1230 1231 1232
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1233 1234
config WEAK_ORDERING
	bool
1235 1236 1237 1238 1239 1240 1241

#
# 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
1242 1243 1244
endmenu

#
C
Chris Dearman 已提交
1245
# These two indicate any level of the MIPS32 and MIPS64 architecture
1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
#
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
1256
# These two indicate the revision of the architecture, either Release 1 or Release 2
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 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299
#
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
1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323
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"
1324
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1325 1326 1327
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1328 1329
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1330 1331 1332 1333 1334 1335 1336 1337

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
1338
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1339 1340 1341 1342 1343 1344 1345 1346 1347 1348

endchoice

config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1349 1350 1351 1352 1353 1354 1355
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
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
1373
	bool
L
Linus Torvalds 已提交
1374

R
Ralf Baechle 已提交
1375 1376
choice
	prompt "MIPS MT options"
1377 1378 1379 1380 1381 1382 1383 1384

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
1385

R
Ralf Baechle 已提交
1386 1387
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1388
	depends on SYS_SUPPORTS_MULTITHREADING
1389
	select CPU_MIPSR2_IRQ_VI
1390
	select CPU_MIPSR2_IRQ_EI
1391
	select MIPS_MT
1392
	select NR_CPUS_DEFAULT_2
1393
	select SMP
1394
	select SYS_SUPPORTS_SCHED_SMT if SMP
1395
	select SYS_SUPPORTS_SMP
1396
	select SMP_UP
1397
	help
R
Ralf Baechle 已提交
1398 1399
	  This is a kernel model which is also known a VSMP or lately
	  has been marketesed into SMVP.
1400

R
Ralf Baechle 已提交
1401 1402 1403 1404
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 ...
1405 1406
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1407
	select CPU_MIPSR2_IRQ_EI
1408
	select MIPS_MT
1409
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1410
	select SMP
1411
	select SYS_SUPPORTS_SMP
1412
	select SMP_UP
1413
	help
R
Ralf Baechle 已提交
1414 1415
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
R
Ralf Baechle 已提交
1416 1417 1418

endchoice

1419 1420 1421
config MIPS_MT
	bool

1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434
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


1435 1436 1437
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1438 1439 1440
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451
	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
1452

1453 1454 1455
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1456
	default n
1457 1458 1459 1460 1461 1462
	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
1463
	  impact on interrupt service overhead.
1464

1465 1466 1467 1468 1469 1470 1471 1472
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
1473 1474
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1475

1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487
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
1488 1489 1490
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1491

1492 1493 1494 1495 1496 1497 1498 1499 1500 1501
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
1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517
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
1518
	bool
L
Linus Torvalds 已提交
1519 1520

config CPU_HAS_LLSC
1521
	bool
L
Linus Torvalds 已提交
1522

1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
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
1535
config CPU_HAS_WB
1536
	bool
1537

1538 1539 1540
#
# Vectored interrupt mode is an R2 feature
#
1541
config CPU_MIPSR2_IRQ_VI
1542
	bool
1543

1544 1545 1546
#
# Extended interrupt mode is an R2 feature
#
1547
config CPU_MIPSR2_IRQ_EI
1548
	bool
1549

L
Linus Torvalds 已提交
1550 1551 1552 1553 1554
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

R
Ralf Baechle 已提交
1555 1556 1557
config GENERIC_CLOCKEVENTS_BROADCAST
	bool

1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570
#
# 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
1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581
#
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
	bool
	default y

1582 1583 1584
config IRQ_PER_CPU
	bool

L
Linus Torvalds 已提交
1585 1586 1587 1588 1589 1590 1591 1592 1593
#
# - 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
1594 1595 1596
# - 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
1597 1598 1599
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
1600 1601 1602 1603 1604 1605 1606
	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
1607

1608 1609 1610
config SYS_SUPPORTS_SMARTMIPS
	bool

1611 1612 1613 1614
config ARCH_FLATMEM_ENABLE
	def_bool y
	depends on !NUMA

1615 1616 1617 1618
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
1619
	  Say Y to support efficient handling of discontiguous physical memory,
1620 1621 1622 1623
	  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.

1624 1625 1626
config ARCH_POPULATES_NODE_MAP
	def_bool y

1627 1628
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
1629
	select SPARSEMEM_STATIC
1630

1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
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
1644 1645 1646 1647 1648
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

1649 1650
source "mm/Kconfig"

L
Linus Torvalds 已提交
1651 1652
config SMP
	bool "Multi-Processing support"
1653
	depends on SYS_SUPPORTS_SMP
1654
	select IRQ_PER_CPU
1655
	select USE_GENERIC_SMP_HELPERS
1656
	help
L
Linus Torvalds 已提交
1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
	  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
1670 1671
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
1672 1673 1674

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

1675 1676 1677
config SMP_UP
	bool

1678 1679 1680
config SYS_SUPPORTS_SMP
	bool

1681 1682 1683
config NR_CPUS_DEFAULT_1
	bool

1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
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
1702 1703
config NR_CPUS
	int "Maximum number of CPUs (2-64)"
1704
	range 1 64 if NR_CPUS_DEFAULT_1
L
Linus Torvalds 已提交
1705
	depends on SMP
1706
	default "1" if NR_CPUS_DEFAULT_1
1707 1708 1709 1710 1711 1712
	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
1713 1714 1715 1716
	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
1717 1718
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
1719 1720

	  This is purely to save memory - each supported CPU adds
1721 1722 1723
	  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
1724

1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735
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...

1736 1737
source "kernel/time/Kconfig"

1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
1749
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1750 1751 1752 1753 1754 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

	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
1809
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
1810 1811 1812

config MIPS_INSANE_LARGE
	bool "Support for large 64-bit configurations"
1813
	depends on CPU_R10000 && 64BIT
L
Linus Torvalds 已提交
1814 1815 1816 1817 1818 1819 1820
	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.

1821 1822 1823 1824 1825 1826
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
1827
	  but it is independent of the system firmware.   And like a reboot
1828 1829
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
1830
	  The name comes from the similarity to the exec system call.
1831 1832 1833 1834 1835 1836 1837 1838 1839

	  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"
1840
	depends on PROC_FS
1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854
	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.

1855 1856
endmenu

L
Linus Torvalds 已提交
1857 1858 1859 1860
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

1861 1862 1863 1864 1865 1866 1867 1868
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

1869 1870
source "init/Kconfig"

1871 1872 1873 1874 1875 1876 1877 1878 1879
config PROBE_INITRD_HEADER
	bool "Probe initrd header created by addinitrd"
	depends on BLK_DEV_INITRD
	help
	  Probe initrd header at the last page of kernel image.
	  Say Y here if you are using arch/mips/boot/addinitrd.c to
	  add initrd or initramfs image to the kernel image.
	  Otherwise, say N.

L
Linus Torvalds 已提交
1880 1881
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

1882 1883
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
1884 1885 1886 1887 1888 1889
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
1890
	select PCI_DOMAINS
L
Linus Torvalds 已提交
1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911
	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"
1912
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
1913
	select ISA
1914
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
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 1943 1944 1945 1946
	---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

1947 1948 1949
config I8253
	bool

1950 1951 1952
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
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"
1968
	depends on 64BIT
L
Linus Torvalds 已提交
1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
	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

1979 1980 1981 1982 1983
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
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

2009 2010 2011 2012
endmenu

menu "Power management options"

J
Johannes Berg 已提交
2013 2014 2015 2016
config ARCH_SUSPEND_POSSIBLE
	def_bool y
	depends on !SMP

2017
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2018

L
Linus Torvalds 已提交
2019 2020
endmenu

2021 2022
source "net/Kconfig"

L
Linus Torvalds 已提交
2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"