Kconfig 46.8 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3 4 5 6
config MIPS
	bool
	default y
	# Horrible source of confusion.  Die, die, die ...
	select EMBEDDED

7 8
mainmenu "Linux/MIPS Kernel Configuration"

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

11 12 13
config ZONE_DMA
	bool

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

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

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

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

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

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

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

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

	  otherwise choose R3000.

91
config MACH_JAZZ
92
	bool "Jazz family of machines"
93 94 95 96 97 98
	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
	select GENERIC_ISA_DMA
	select I8259
	select ISA
R
Ralf Baechle 已提交
99
	select PCSPEAKER
100
	select SYS_HAS_CPU_R4X00
101 102
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
103
	select SYS_SUPPORTS_100HZ
104
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
105
	help
106 107 108 109 110
	 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.

111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
config LEMOTE_FULONG
	bool "Lemote Fulong mini-PC"
	select ARCH_SPARSEMEM_ENABLE
	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
	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
134
config MIPS_ATLAS
135
	bool "MIPS Atlas board"
L
Linus Torvalds 已提交
136 137
	select BOOT_ELF32
	select DMA_NONCOHERENT
138
	select SYS_HAS_EARLY_PRINTK
139
	select IRQ_CPU
L
Linus Torvalds 已提交
140
	select HW_HAS_PCI
141 142
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
143
	select PCI_GT64XXX_PCI0
144
	select MIPS_MSC
145
	select RM7000_CPU_SCACHE
L
Linus Torvalds 已提交
146
	select SWAP_IO_SPACE
147 148 149 150 151
	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
152 153
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
154 155
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
156
	select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
157
	select SYS_SUPPORTS_SMARTMIPS
158
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
159
	help
160
	  This enables support for the MIPS Technologies Atlas evaluation
L
Linus Torvalds 已提交
161 162 163
	  board.

config MIPS_MALTA
164
	bool "MIPS Malta board"
165
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
166 167 168
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
169
	select IRQ_CPU
L
Linus Torvalds 已提交
170 171
	select HW_HAS_PCI
	select I8259
172 173
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
174
	select MIPS_CPU_SCACHE
175
	select PCI_GT64XXX_PCI0
176
	select MIPS_MSC
L
Linus Torvalds 已提交
177
	select SWAP_IO_SPACE
178 179 180 181 182
	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
183
	select SYS_HAS_EARLY_PRINTK
184 185
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
186 187
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
188
	select SYS_SUPPORTS_MULTITHREADING
189
	select SYS_SUPPORTS_SMARTMIPS
L
Linus Torvalds 已提交
190
	help
191
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
192 193 194
	  board.

config MIPS_SEAD
195
	bool "MIPS SEAD board (EXPERIMENTAL)"
L
Linus Torvalds 已提交
196 197 198
	depends on EXPERIMENTAL
	select IRQ_CPU
	select DMA_NONCOHERENT
199
	select SYS_HAS_EARLY_PRINTK
200
	select MIPS_BOARDS_GEN
201 202 203
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
204
	select SYS_SUPPORTS_32BIT_KERNEL
205 206 207
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
208
	select SYS_SUPPORTS_SMARTMIPS
209 210 211
	help
	  This enables support for the MIPS Technologies SEAD evaluation
	  board.
L
Linus Torvalds 已提交
212

213
config MIPS_SIM
214
	bool 'MIPS simulator (MIPSsim)'
L
Linus Torvalds 已提交
215
	select DMA_NONCOHERENT
216
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
217
	select IRQ_CPU
M
Marc St-Jean 已提交
218
	select BOOT_RAW
219 220
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
221
	select SYS_HAS_EARLY_PRINTK
222
	select SYS_SUPPORTS_32BIT_KERNEL
223
	select SYS_SUPPORTS_BIG_ENDIAN
224
	select SYS_SUPPORTS_MULTITHREADING
225
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
226
	help
227 228
	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
L
Linus Torvalds 已提交
229

230 231 232 233 234 235 236 237 238 239 240 241 242 243
config MARKEINS
	bool "NEC EMMA2RH Mark-eins"
	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.

244
config MACH_VR41XX
245
	bool "NEC VR4100 series based machines"
246
	select SYS_HAS_CPU_VR41XX
247
	select GENERIC_HARDIRQS_NO__DO_IRQ
248

249 250 251 252 253 254 255 256 257 258
config PNX8550_JBS
	bool "Philips PNX8550 based JBS board"
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_STB810
	bool "Philips PNX8550 based STB810 board"
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

M
Marc St-Jean 已提交
259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279
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.

280
config PMC_YOSEMITE
281
	bool "PMC-Sierra Yosemite eval board"
282 283 284 285 286 287
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
288
	select SYS_HAS_CPU_RM9000
289
	select SYS_HAS_EARLY_PRINTK
290 291 292 293
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
294
	select SYS_SUPPORTS_KGDB
295
	select SYS_SUPPORTS_SMP
296 297 298
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
299

300
config QEMU
301
	bool "Qemu"
302 303 304 305 306
	select DMA_COHERENT
	select GENERIC_ISA_DMA
	select HAVE_STD_PC_SERIAL_PORT
	select I8259
	select ISA
R
Ralf Baechle 已提交
307
	select PCSPEAKER
308
	select SWAP_IO_SPACE
309
	select SYS_HAS_CPU_MIPS32_R1
310 311
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
312
	select SYS_SUPPORTS_LITTLE_ENDIAN
313
	select ARCH_SPARSEMEM_ENABLE
314
	select GENERIC_HARDIRQS_NO__DO_IRQ
315 316
	select NR_CPUS_DEFAULT_1
	select SYS_SUPPORTS_SMP
317
	help
318 319 320 321 322 323
	  Qemu is a software emulator which among other architectures also
	  can simulate a MIPS32 4Kc system.  This patch adds support for the
	  system architecture that currently is being simulated by Qemu.  It
	  will eventually be removed again when Qemu has the capability to
	  simulate actual MIPS hardware platforms.  More information on Qemu
	  can be found at http://www.linux-mips.org/wiki/Qemu.
324

L
Linus Torvalds 已提交
325
config SGI_IP22
326
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
327 328 329 330
	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
331
	select HW_HAS_EISA
L
Linus Torvalds 已提交
332 333
	select IP22_CPU_SCACHE
	select IRQ_CPU
334
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
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
L
Linus Torvalds 已提交
352
	select DMA_IP27
353
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
354
	select HW_HAS_PCI
355
	select NR_CPUS_DEFAULT_64
L
Linus Torvalds 已提交
356
	select PCI_DOMAINS
357
	select SYS_HAS_CPU_R10000
358
	select SYS_SUPPORTS_64BIT_KERNEL
359
	select SYS_SUPPORTS_BIG_ENDIAN
360
	select SYS_SUPPORTS_KGDB
361
	select SYS_SUPPORTS_NUMA
362
	select SYS_SUPPORTS_SMP
363
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
364 365 366 367 368 369
	help
	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
	  workstations.  To compile a Linux kernel that runs on these, say Y
	  here.

config SGI_IP32
370
	bool "SGI IP32 (O2)"
L
Linus Torvalds 已提交
371 372 373 374 375 376 377
	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
378 379 380
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
381
	select SYS_HAS_CPU_NEVADA
382
	select SYS_SUPPORTS_64BIT_KERNEL
383 384
	select SYS_SUPPORTS_BIG_ENDIAN
	help
385
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
386

387 388 389
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
A
Andrew Isaacson 已提交
390 391
	select BOOT_ELF32
	select DMA_COHERENT
392
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
393
	select SWAP_IO_SPACE
394
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
395 396 397
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

398 399 400
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
401
	select BOOT_ELF32
L
Linus Torvalds 已提交
402
	select DMA_COHERENT
403
	select SIBYTE_BCM1120
404
	select SWAP_IO_SPACE
405
	select SYS_HAS_CPU_SB1
406
	select SYS_SUPPORTS_BIG_ENDIAN
407
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
408

409 410
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
411 412 413
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
414
	select SIBYTE_BCM1125
415
	select SWAP_IO_SPACE
416
	select SYS_HAS_CPU_SB1
417
	select SYS_SUPPORTS_BIG_ENDIAN
418
	select SYS_SUPPORTS_HIGHMEM
419
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
420

421
config SIBYTE_RHONE
422
	bool "Sibyte BCM91125E-Rhone"
423 424 425 426 427
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
428
	select SYS_HAS_CPU_SB1
429 430
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
431

432 433
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
434
	select BOOT_ELF32
P
Pete Popov 已提交
435
	select DMA_COHERENT
436 437
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
438
	select SWAP_IO_SPACE
439
	select SYS_HAS_CPU_SB1
440
	select SYS_SUPPORTS_BIG_ENDIAN
441 442
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_KGDB
P
Pete Popov 已提交
443 444
	select SYS_SUPPORTS_LITTLE_ENDIAN

445 446
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
447 448 449
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
450
	select NR_CPUS_DEFAULT_2
451 452
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
453
	select SYS_HAS_CPU_SB1
454 455 456
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
457

458 459
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
460 461 462
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
463
	select NR_CPUS_DEFAULT_2
464 465
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
466
	select SYS_HAS_CPU_SB1
467 468
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
469

470 471
config SIBYTE_PTSWARM
	bool "Sibyte BCM91250PT-PTSWARM"
472 473 474
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
475 476
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
477
	select SWAP_IO_SPACE
478
	select SYS_HAS_CPU_SB1
479
	select SYS_SUPPORTS_BIG_ENDIAN
480
	select SYS_SUPPORTS_HIGHMEM
481
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
482

483 484
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
485 486
	select BOOT_ELF32
	select DMA_COHERENT
487 488 489
	select NR_CPUS_DEFAULT_4
	select PCI_DOMAINS
	select SIBYTE_BCM1x80
490
	select SWAP_IO_SPACE
491
	select SYS_HAS_CPU_SB1
492 493
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
494

495 496
config SNI_RM
	bool "SNI RM200/300/400"
497 498
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
499
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
500 501 502
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
503
	select HW_HAS_EISA
L
Linus Torvalds 已提交
504
	select HW_HAS_PCI
505
	select IRQ_CPU
L
Linus Torvalds 已提交
506 507
	select I8259
	select ISA
R
Ralf Baechle 已提交
508
	select PCSPEAKER
509
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
510
	select SYS_HAS_CPU_R4X00
511
	select SYS_HAS_CPU_R5000
512
	select SYS_HAS_CPU_R10000
513
	select R5000_CPU_SCACHE
514
	select SYS_HAS_EARLY_PRINTK
515 516
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
517
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
518
	select SYS_SUPPORTS_HIGHMEM
519
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
520
	help
521 522
	  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
523 524 525
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

526
config TOSHIBA_JMR3927
527
	bool "Toshiba JMR-TX3927 board"
528 529 530 531
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select MIPS_TX3927
	select SWAP_IO_SPACE
532
	select SYS_HAS_CPU_TX39XX
533
	select SYS_SUPPORTS_32BIT_KERNEL
534
	select SYS_SUPPORTS_LITTLE_ENDIAN
535
	select SYS_SUPPORTS_BIG_ENDIAN
A
Atsushi Nemoto 已提交
536
	select GENERIC_HARDIRQS_NO__DO_IRQ
537

L
Linus Torvalds 已提交
538
config TOSHIBA_RBTX4927
Y
Yoichi Yuasa 已提交
539
	bool "Toshiba RBTX49[23]7 board"
L
Linus Torvalds 已提交
540 541 542 543 544
	select DMA_NONCOHERENT
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select SWAP_IO_SPACE
545
	select SYS_HAS_CPU_TX49XX
546 547
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
548
	select SYS_SUPPORTS_LITTLE_ENDIAN
549
	select SYS_SUPPORTS_BIG_ENDIAN
550
	select SYS_SUPPORTS_KGDB
551
	select GENERIC_HARDIRQS_NO__DO_IRQ
L
Linus Torvalds 已提交
552 553 554 555
	help
	  This Toshiba board is based on the TX4927 processor. Say Y here to
	  support this machine type

556
config TOSHIBA_RBTX4938
557
	bool "Toshiba RBTX4938 board"
558 559 560 561 562 563 564
	select HAVE_STD_PC_SERIAL_PORT
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select SWAP_IO_SPACE
565
	select SYS_HAS_CPU_TX49XX
566 567 568
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
569
	select SYS_SUPPORTS_KGDB
570
	select GENERIC_HARDIRQS_NO__DO_IRQ
571
	select GENERIC_GPIO
572 573 574 575
	help
	  This Toshiba board is based on the TX4938 processor. Say Y here to
	  support this machine type

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

597
endchoice
L
Linus Torvalds 已提交
598

599
source "arch/mips/au1000/Kconfig"
600 601
source "arch/mips/jazz/Kconfig"
source "arch/mips/pmc-sierra/Kconfig"
602
source "arch/mips/sgi-ip27/Kconfig"
603
source "arch/mips/sibyte/Kconfig"
604
source "arch/mips/tx4927/Kconfig"
605
source "arch/mips/tx4938/Kconfig"
606
source "arch/mips/vr41xx/Kconfig"
607

608 609
endmenu

L
Linus Torvalds 已提交
610 611 612 613 614 615 616
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

617 618 619 620 621 622 623 624
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

625 626 627 628 629 630 631 632
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
633 634 635 636
config GENERIC_CALIBRATE_DELAY
	bool
	default y

637 638 639 640
config GENERIC_TIME
	bool
	default y

641 642 643 644
config SCHED_NO_NO_OMIT_FRAME_POINTER
	bool
	default y

645 646 647 648
config GENERIC_HARDIRQS_NO__DO_IRQ
	bool
	default n

L
Linus Torvalds 已提交
649 650 651 652 653 654
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

655 656 657
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
658 659 660
config BOOT_RAW
	bool

661
config DMA_COHERENT
L
Linus Torvalds 已提交
662 663
	bool

664
config DMA_IP27
L
Linus Torvalds 已提交
665 666
	bool

667 668 669 670 671 672 673 674 675
config DMA_IP32
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NONCOHERENT
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NEED_PCI_MAP_STATE
L
Linus Torvalds 已提交
676 677 678
	bool

config EARLY_PRINTK
679 680 681 682 683 684 685 686
	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
687 688 689
	  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,
690 691 692
	  unless you want to debug such a crash.

config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
693 694 695 696
	bool

config GENERIC_ISA_DMA
	bool
697
	select ZONE_DMA
L
Linus Torvalds 已提交
698 699 700 701 702 703 704 705 706 707 708 709 710

config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

config MIPS_DISABLE_OBSOLETE_IDE
	bool

711 712 713
config NO_IOPORT
	def_bool n

714 715
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
716
	select ZONE_DMA
717

Y
Yoichi Yuasa 已提交
718 719 720
config GENERIC_GPIO
	bool

721
#
M
Matt LaPlante 已提交
722
# Endianess selection.  Sufficiently obscure so many users don't know what to
723 724 725 726 727
# 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
728 729
	help
	  Some MIPS machines can be configured for either little or big endian
730
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
731
	  Linux distribution.  In general there is one preferred byteorder for a
732
	  particular system but some systems are just as commonly used in the
733
	  one or the other endianness.
734 735 736 737 738 739 740 741 742 743 744 745

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

746 747 748
config SYS_SUPPORTS_APM_EMULATION
	bool

749 750 751 752 753
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
754 755 756 757 758 759 760

config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

761 762 763
config IRQ_CPU_RM9K
	bool

M
Marc St-Jean 已提交
764 765 766 767 768 769
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

770 771 772
config IRQ_TXX9
	bool

L
Linus Torvalds 已提交
773 774 775
config MIPS_BOARDS_GEN
	bool

776
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
777 778
	bool

M
Marc St-Jean 已提交
779 780 781
config NO_EXCEPT_FILL
	bool

L
Linus Torvalds 已提交
782 783 784 785
config MIPS_TX3927
	bool
	select HAS_TXX9_SERIAL

786 787 788 789
config MIPS_RM9122
	bool
	select SERIAL_RM9000

790 791 792 793 794 795 796 797
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
798
	select SYS_HAS_CPU_MIPS32_R1
799
	select SYS_HAS_EARLY_PRINTK
800
	select SYS_SUPPORTS_32BIT_KERNEL
801
	select GENERIC_HARDIRQS_NO__DO_IRQ
802
	select SYS_SUPPORTS_KGDB
803
	select GENERIC_GPIO
804

L
Linus Torvalds 已提交
805 806 807
config SWAP_IO_SPACE
	bool

808 809 810 811 812
config EMMA2RH
	bool
	depends on MARKEINS
	default y

813 814 815
config SERIAL_RM9000
	bool

L
Linus Torvalds 已提交
816 817 818 819 820 821
#
# Unfortunately not all GT64120 systems run the chip at the same clock.
# As the user for the clock rate and try to minimize the available options.
#
choice
	prompt "Galileo Chip Clock"
Y
Yoichi Yuasa 已提交
822
	depends on MOMENCO_OCELOT
823
	default SYSCLK_100 if MOMENCO_OCELOT
L
Linus Torvalds 已提交
824 825

config SYSCLK_100
Y
Yoichi Yuasa 已提交
826
	bool "100" if MOMENCO_OCELOT
L
Linus Torvalds 已提交
827 828 829

endchoice

830 831 832
config ARC32
	bool

L
Linus Torvalds 已提交
833 834 835 836 837
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
T
Thomas Bogendoerfer 已提交
838 839
	default "4" if MACH_DECSTATION
	default "7" if SGI_IP27 || SNI_RM
M
Marc St-Jean 已提交
840
	default "4" if PMC_MSP4200_EVAL
L
Linus Torvalds 已提交
841 842 843 844 845 846 847
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
848
	depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
849 850 851

config ARC_MEMORY
	bool
852
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
853 854 855 856
	default y

config ARC_PROMLIB
	bool
857
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
L
Linus Torvalds 已提交
858 859 860 861 862 863 864 865 866 867 868 869 870 871
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

872 873 874 875 876 877 878 879 880 881
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.

882 883
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
884
	depends on SYS_HAS_CPU_MIPS32_R1
885
	select CPU_HAS_LLSC
886
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
887
	select CPU_SUPPORTS_32BIT_KERNEL
888
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
889
	help
890
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
891 892 893 894 895 896 897 898 899 900 901
	  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"
902
	depends on SYS_HAS_CPU_MIPS32_R2
903
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
904
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
905
	select CPU_SUPPORTS_32BIT_KERNEL
906
	select CPU_SUPPORTS_HIGHMEM
907
	help
908
	  Choose this option to build a kernel for release 2 or later of the
909 910 911 912 913 914 915
	  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"
916
	depends on SYS_HAS_CPU_MIPS64_R1
917
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
918
	select CPU_HAS_PREFETCH
919 920
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
921
	select CPU_SUPPORTS_HIGHMEM
922 923 924 925 926 927
	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
928 929 930 931 932 933 934
	  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"
935
	depends on SYS_HAS_CPU_MIPS64_R2
936
	select CPU_HAS_LLSC
R
Ralf Baechle 已提交
937
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
938 939
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
940
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
941 942 943 944 945 946
	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
947 948 949

config CPU_R3000
	bool "R3000"
950
	depends on SYS_HAS_CPU_R3000
951
	select CPU_HAS_WB
952
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
953
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
954 955 956 957 958 959 960 961 962 963
	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"
964
	depends on SYS_HAS_CPU_TX39XX
965
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
966 967 968

config CPU_VR41XX
	bool "R41xx"
969
	depends on SYS_HAS_CPU_VR41XX
970 971
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
972
	help
973
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
974 975 976 977 978 979
	  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"
980
	depends on SYS_HAS_CPU_R4300
981
	select CPU_HAS_LLSC
982 983
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
984 985 986 987 988
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
989
	depends on SYS_HAS_CPU_R4X00
990
	select CPU_HAS_LLSC
991 992
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
993 994 995 996 997 998
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
999
	depends on SYS_HAS_CPU_TX49XX
1000
	select CPU_HAS_LLSC
A
Atsushi Nemoto 已提交
1001
	select CPU_HAS_PREFETCH
1002 1003
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1004 1005 1006

config CPU_R5000
	bool "R5000"
1007
	depends on SYS_HAS_CPU_R5000
1008
	select CPU_HAS_LLSC
1009 1010
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1011 1012 1013 1014 1015
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1016
	depends on SYS_HAS_CPU_R5432
1017
	select CPU_HAS_LLSC
1018 1019
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1020 1021 1022

config CPU_R6000
	bool "R6000"
1023
	depends on EXPERIMENTAL
1024
	select CPU_HAS_LLSC
1025
	depends on SYS_HAS_CPU_R6000
1026
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1027 1028
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1029
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1030 1031 1032

config CPU_NEVADA
	bool "RM52xx"
1033
	depends on SYS_HAS_CPU_NEVADA
1034
	select CPU_HAS_LLSC
1035 1036
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1037 1038 1039 1040 1041
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1042
	depends on EXPERIMENTAL
1043
	depends on SYS_HAS_CPU_R8000
1044
	select CPU_HAS_LLSC
1045
	select CPU_HAS_PREFETCH
1046
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1047 1048 1049 1050 1051 1052
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1053
	depends on SYS_HAS_CPU_R10000
1054
	select CPU_HAS_LLSC
1055
	select CPU_HAS_PREFETCH
1056 1057
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1058
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1059 1060 1061 1062 1063
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1064
	depends on SYS_HAS_CPU_RM7000
1065
	select CPU_HAS_LLSC
1066
	select CPU_HAS_PREFETCH
1067 1068
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1069
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1070 1071 1072

config CPU_RM9000
	bool "RM9000"
1073
	depends on SYS_HAS_CPU_RM9000
1074
	select CPU_HAS_LLSC
1075
	select CPU_HAS_PREFETCH
1076 1077
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1078
	select CPU_SUPPORTS_HIGHMEM
1079
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1080 1081 1082

config CPU_SB1
	bool "SB1"
1083
	depends on SYS_HAS_CPU_SB1
1084
	select CPU_HAS_LLSC
1085 1086
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1087
	select CPU_SUPPORTS_HIGHMEM
1088
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1089 1090 1091

endchoice

1092 1093 1094
config SYS_HAS_CPU_LOONGSON2
	bool

1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151
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

1152 1153 1154 1155
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1156 1157
config WEAK_ORDERING
	bool
1158 1159 1160 1161 1162 1163 1164

#
# 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
1165 1166 1167
endmenu

#
C
Chris Dearman 已提交
1168
# These two indicate any level of the MIPS32 and MIPS64 architecture
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
#
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
1179
# These two indicate the revision of the architecture, either Release 1 or Release 2
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
#
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
1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246
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"
1247
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1248 1249 1250
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1251 1252
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1253 1254 1255 1256 1257 1258 1259 1260

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
1261
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1262 1263 1264 1265 1266 1267 1268 1269 1270 1271

endchoice

config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1272 1273 1274 1275 1276 1277 1278
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
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
1296
	bool
L
Linus Torvalds 已提交
1297

R
Ralf Baechle 已提交
1298 1299
choice
	prompt "MIPS MT options"
1300 1301 1302 1303 1304 1305 1306 1307

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
1308

R
Ralf Baechle 已提交
1309 1310
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1311
	depends on SYS_SUPPORTS_MULTITHREADING
1312
	select CPU_MIPSR2_IRQ_VI
1313
	select CPU_MIPSR2_IRQ_EI
1314
	select CPU_MIPSR2_SRS
1315
	select MIPS_MT
1316
	select NR_CPUS_DEFAULT_2
1317
	select SMP
1318
	select SYS_SUPPORTS_SMP
1319
	help
R
Ralf Baechle 已提交
1320 1321
	  This is a kernel model which is also known a VSMP or lately
	  has been marketesed into SMVP.
1322

R
Ralf Baechle 已提交
1323 1324 1325 1326
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 ...
1327 1328
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1329
	select CPU_MIPSR2_IRQ_EI
1330 1331
	select CPU_MIPSR2_SRS
	select MIPS_MT
1332
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1333
	select SMP
1334
	select SYS_SUPPORTS_SMP
1335
	help
R
Ralf Baechle 已提交
1336 1337
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
R
Ralf Baechle 已提交
1338 1339 1340

endchoice

1341 1342 1343 1344 1345 1346
config MIPS_MT
	bool

config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1347 1348 1349
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361
	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 CPU_MIPSR2_SRS
	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
1362

R
Ralf Baechle 已提交
1363 1364
config MIPS_MT_SMTC_INSTANT_REPLAY
	bool "Low-latency Dispatch of Deferred SMTC IPIs"
1365
	depends on MIPS_MT_SMTC && !PREEMPT
R
Ralf Baechle 已提交
1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376
	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.

1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389
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.

1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
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
1402 1403 1404
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1405

1406 1407 1408 1409 1410 1411 1412 1413 1414 1415
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
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431
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
1432
	bool
L
Linus Torvalds 已提交
1433 1434

config CPU_HAS_LLSC
1435
	bool
L
Linus Torvalds 已提交
1436

1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448
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
1449
config CPU_HAS_WB
1450
	bool
1451

1452 1453 1454 1455 1456 1457 1458 1459 1460
config 64BIT_CONTEXT
	bool "Save 64bit integer registers"
	depends on 32BIT && CPU_LOONGSON2
	help
	  Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
	  registers can still be accessed as 64bit, mainly for multimedia
	  instructions. We must have all 64bit save/restored to make sure
	  those instructions to get correct result.

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

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

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

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

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

config GENERIC_IRQ_PROBE
	bool
	default y

1495 1496 1497
config IRQ_PER_CPU
	bool

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

config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
L
Linus Torvalds 已提交
1520

1521 1522 1523
config SYS_SUPPORTS_SMARTMIPS
	bool

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

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

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

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

config SYS_SUPPORTS_NUMA
	bool

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

1559 1560
source "mm/Kconfig"

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

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

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

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

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

1584 1585 1586
config SYS_SUPPORTS_SMP
	bool

1587 1588 1589
config NR_CPUS_DEFAULT_1
	bool

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

config NR_CPUS_DEFAULT_4
	bool

config NR_CPUS_DEFAULT_8
	bool

config NR_CPUS_DEFAULT_16
	bool

config NR_CPUS_DEFAULT_32
	bool

config NR_CPUS_DEFAULT_64
	bool

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

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

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

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

	config HZ_48
		bool "48 HZ" if SYS_SUPPORTS_48HZ

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

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

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

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

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

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

endchoice

config SYS_SUPPORTS_48HZ
	bool

config SYS_SUPPORTS_100HZ
	bool

config SYS_SUPPORTS_128HZ
	bool

config SYS_SUPPORTS_250HZ
	bool

config SYS_SUPPORTS_256HZ
	bool

config SYS_SUPPORTS_1000HZ
	bool

config SYS_SUPPORTS_1024HZ
	bool

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

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

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

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

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

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

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

config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
1733
	depends on PROC_FS
1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747
	default y
	help
	  This kernel feature is useful for number crunching applications
	  that may need to compute untrusted bytecode during their
	  execution. By using pipes or other transports made available to
	  the process as file descriptors supporting the read/write
	  syscalls, it's possible to isolate those applications in
	  their own address space using seccomp. Once seccomp is
	  enabled via /proc/<pid>/seccomp, it cannot be disabled
	  and the task is only allowed to execute a few safe syscalls
	  defined by each seccomp mode.

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

1748 1749
endmenu

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

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

config STACKTRACE_SUPPORT
	bool
	default y

1762 1763
source "init/Kconfig"

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

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

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

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

config PCI_DOMAINS
	bool
	depends on PCI

source "drivers/pci/Kconfig"

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

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

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

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

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

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

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

config MMU
	bool
	default y

R
Ralf Baechle 已提交
1836
config PCSPEAKER
1837 1838
	bool

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

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

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

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

	  If unsure say Y.

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

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

config COMPAT
	bool
	depends on MIPS32_COMPAT
	default y

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

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

	  If unsure, say Y.

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

	  If unsure, say N.

config BINFMT_ELF32
	bool
	default y if MIPS32_O32 || MIPS32_N32

1914 1915 1916 1917 1918
endmenu

menu "Power management options"

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

L
Linus Torvalds 已提交
1920 1921
endmenu

1922 1923
source "net/Kconfig"

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

source "fs/Kconfig"

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

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

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"