Kconfig 57.1 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
config MIPS
	bool
	default y
4
	select HAVE_GENERIC_DMA_COHERENT
S
Sam Ravnborg 已提交
5
	select HAVE_IDE
M
Mathieu Desnoyers 已提交
6
	select HAVE_OPROFILE
7 8
	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
9
	select HAVE_ARCH_KGDB
10
	select HAVE_FUNCTION_TRACER
11
	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
12 13
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
14
	select HAVE_C_RECORDMCOUNT
15
	select HAVE_FUNCTION_GRAPH_TRACER
D
David Daney 已提交
16 17
	select HAVE_KPROBES
	select HAVE_KRETPROBES
18
	select RTC_LIB if !MACH_LOONGSON
19
	select GENERIC_ATOMIC64 if !64BIT
20 21
	select HAVE_DMA_ATTRS
	select HAVE_DMA_API_DEBUG
22 23
	select HAVE_GENERIC_HARDIRQS
	select GENERIC_IRQ_PROBE
24
	select HAVE_ARCH_JUMP_LABEL
L
Linus Torvalds 已提交
25 26 27

menu "Machine selection"

28 29 30
config ZONE_DMA
	bool

31 32 33
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
34

35
config MIPS_ALCHEMY
36
	bool "Alchemy processor based machines"
37 38 39 40 41 42 43 44 45
	select 64BIT_PHYS_ADDR
	select CEVT_R4K_LIB
	select CSRC_R4K_LIB
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
	select GENERIC_GPIO
	select ARCH_WANT_OPTIONAL_GPIOLIB
46
	select SYS_SUPPORTS_ZBOOT
L
Linus Torvalds 已提交
47

48 49 50 51 52 53 54 55 56 57 58 59 60
config AR7
	bool "Texas Instruments AR7"
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select NO_EXCEPT_FILL
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
61
	select SYS_SUPPORTS_ZBOOT_UART16550
F
Florian Fainelli 已提交
62
	select ARCH_REQUIRE_GPIOLIB
63 64 65 66 67 68
	select GCD
	select VLYNQ
	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

69 70 71 72 73 74 75 76 77 78 79 80 81 82
config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

83
config BCM47XX
84
	bool "Broadcom BCM47XX based boards"
85
	select CEVT_R4K
86
	select CSRC_R4K
87 88 89 90 91 92 93 94
	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
95
	select SSB_DRIVER_EXTIF
96
	select SSB_EMBEDDED
97
	select SSB_B43_PCI_BRIDGE if PCI
98
	select SSB_PCICORE_HOSTMODE if PCI
99
	select GENERIC_GPIO
A
Aurelien Jarno 已提交
100 101
	select SYS_HAS_EARLY_PRINTK
	select CFE
102 103 104
	help
	 Support for BCM47XX based boards

105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
config BCM63XX
	bool "Broadcom BCM63XX based boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
	help
	 Support for BCM63XX based boards

L
Linus Torvalds 已提交
120
config MIPS_COBALT
121
	bool "Cobalt Server"
122
	select CEVT_R4K
123
	select CSRC_R4K
124
	select CEVT_GT641XX
L
Linus Torvalds 已提交
125 126
	select DMA_NONCOHERENT
	select HW_HAS_PCI
127
	select I8253
L
Linus Torvalds 已提交
128 129
	select I8259
	select IRQ_CPU
Y
Yoichi Yuasa 已提交
130
	select IRQ_GT641XX
131
	select PCI_GT64XXX_PCI0
132
	select PCI
133
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
134
	select SYS_HAS_EARLY_PRINTK
135
	select SYS_SUPPORTS_32BIT_KERNEL
136
	select SYS_SUPPORTS_64BIT_KERNEL
137
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
138 139

config MACH_DECSTATION
140
	bool "DECstations"
L
Linus Torvalds 已提交
141
	select BOOT_ELF32
142
	select CEVT_DS1287
143
	select CEVT_R4K
144
	select CSRC_IOASIC
145
	select CSRC_R4K
146 147 148
	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
L
Linus Torvalds 已提交
149
	select DMA_NONCOHERENT
150
	select NO_IOPORT
L
Linus Torvalds 已提交
151
	select IRQ_CPU
152 153
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
154 155
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
156
	select SYS_SUPPORTS_LITTLE_ENDIAN
157 158 159
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
160
	help
L
Linus Torvalds 已提交
161 162 163 164 165 166 167
	  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:

168 169 170 171
		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
L
Linus Torvalds 已提交
172 173 174

	  otherwise choose R3000.

175
config MACH_JAZZ
176
	bool "Jazz family of machines"
177 178 179
	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
180
	select CEVT_R4K
181
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
182
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
183
	select GENERIC_ISA_DMA
T
Thomas Bogendoerfer 已提交
184
	select IRQ_CPU
185
	select I8253
186 187
	select I8259
	select ISA
188
	select SYS_HAS_CPU_R4X00
189 190
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
191
	select SYS_SUPPORTS_100HZ
L
Linus Torvalds 已提交
192
	help
193 194
	 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.
195
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
196 197
	 Olivetti M700-10 workstations.

198 199 200 201 202 203 204 205 206 207 208 209
config MACH_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select DMA_NONCOHERENT
	select IRQ_CPU
	select GENERIC_GPIO
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
	select HAVE_PWM

210 211
config LASAT
	bool "LASAT Networks platforms"
212
	select CEVT_R4K
213
	select CSRC_R4K
214 215 216
	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
217
	select IRQ_CPU
218 219 220 221 222 223 224 225
	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

226 227
config MACH_LOONGSON
	bool "Loongson family of machines"
228
	select SYS_SUPPORTS_ZBOOT
229
	help
230 231 232 233 234 235
	  This enables the support of Loongson family of machines.

	  Loongson is a family of general-purpose MIPS-compatible CPUs.
	  developed at Institute of Computing Technology (ICT),
	  Chinese Academy of Sciences (CAS) in the People's Republic
	  of China. The chief architect is Professor Weiwu Hu.
236

L
Linus Torvalds 已提交
237
config MIPS_MALTA
238
	bool "MIPS Malta board"
239
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
240
	select BOOT_ELF32
241
	select BOOT_RAW
242
	select CEVT_R4K
243
	select CSRC_R4K
L
Linus Torvalds 已提交
244 245
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
246
	select IRQ_CPU
247
	select IRQ_GIC
L
Linus Torvalds 已提交
248
	select HW_HAS_PCI
249
	select I8253
L
Linus Torvalds 已提交
250
	select I8259
251 252
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
253
	select MIPS_CPU_SCACHE
254
	select PCI_GT64XXX_PCI0
255
	select MIPS_MSC
L
Linus Torvalds 已提交
256
	select SWAP_IO_SPACE
257 258 259 260 261
	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
262
	select SYS_HAS_EARLY_PRINTK
263 264
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
265 266
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
T
Tim Anderson 已提交
267
	select SYS_SUPPORTS_MIPS_CMP
268
	select SYS_SUPPORTS_MULTITHREADING
269
	select SYS_SUPPORTS_SMARTMIPS
270
	select SYS_SUPPORTS_ZBOOT
L
Linus Torvalds 已提交
271
	help
272
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
273 274
	  board.

275
config MIPS_SIM
276
	bool 'MIPS simulator (MIPSsim)'
277
	select CEVT_R4K
278
	select CSRC_R4K
L
Linus Torvalds 已提交
279
	select DMA_NONCOHERENT
280
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
281
	select IRQ_CPU
M
Marc St-Jean 已提交
282
	select BOOT_RAW
283 284
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
285
	select SYS_HAS_EARLY_PRINTK
286
	select SYS_SUPPORTS_32BIT_KERNEL
287
	select SYS_SUPPORTS_BIG_ENDIAN
288
	select SYS_SUPPORTS_MULTITHREADING
289
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
290
	help
291 292
	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
L
Linus Torvalds 已提交
293

294 295 296 297 298 299
config NEC_MARKEINS
	bool "NEC EMMA2RH Mark-eins board"
	select SOC_EMMA2RH
	select HW_HAS_PCI
	help
	  This enables support for the NEC Electronics Mark-eins boards.
300

301
config MACH_VR41XX
302
	bool "NEC VR4100 series based machines"
303
	select CEVT_R4K
304
	select CSRC_R4K
305
	select SYS_HAS_CPU_VR41XX
306
	select ARCH_REQUIRE_GPIOLIB
307

308 309 310 311 312 313 314 315 316 317 318 319 320
config NXP_STB220
	bool "NXP STB220 board"
	select SOC_PNX833X
	help
	 Support for NXP Semiconductors STB220 Development Board.

config NXP_STB225
	bool "NXP 225 board"
	select SOC_PNX833X
	select SOC_PNX8335
	help
	 Support for NXP Semiconductors STB225 Development Board.

321
config PNX8550_JBS
322
	bool "NXP PNX8550 based JBS board"
323 324 325 326
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_STB810
327
	bool "NXP PNX8550 based STB810 board"
328 329 330
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

M
Marc St-Jean 已提交
331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350
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.

351
config PMC_YOSEMITE
352
	bool "PMC-Sierra Yosemite eval board"
353
	select CEVT_R4K
354
	select CSRC_R4K
355 356 357 358 359 360
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
361
	select SYS_HAS_CPU_RM9000
362
	select SYS_HAS_EARLY_PRINTK
363 364 365 366
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
367
	select SYS_SUPPORTS_SMP
368 369 370
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
371

372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389
config POWERTV
	bool "Cisco PowerTV"
	select BOOT_ELF32
	select CEVT_R4K
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select CSRC_POWERTV
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select USB_OHCI_LITTLE_ENDIAN
	help
	  This enables support for the Cisco PowerTV Platform.

L
Linus Torvalds 已提交
390
config SGI_IP22
391
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
392 393 394
	select ARC
	select ARC32
	select BOOT_ELF32
395
	select CEVT_R4K
396
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
397
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
398
	select DMA_NONCOHERENT
399
	select HW_HAS_EISA
400
	select I8253
401
	select I8259
L
Linus Torvalds 已提交
402 403
	select IP22_CPU_SCACHE
	select IRQ_CPU
404
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
405 406
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
407
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
408 409 410
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
411
	select SWAP_IO_SPACE
412 413
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
414 415 416 417 418 419 420 421
	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# select SYS_HAS_EARLY_PRINTK
422 423
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
424
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
425 426 427 428 429 430
	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
431
	bool "SGI IP27 (Origin200/2000)"
L
Linus Torvalds 已提交
432 433
	select ARC
	select ARC64
434
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
435
	select DEFAULT_SGI_PARTITION
436
	select DMA_COHERENT
437
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
438
	select HW_HAS_PCI
439
	select NR_CPUS_DEFAULT_64
440
	select SYS_HAS_CPU_R10000
441
	select SYS_SUPPORTS_64BIT_KERNEL
442
	select SYS_SUPPORTS_BIG_ENDIAN
443
	select SYS_SUPPORTS_NUMA
444
	select SYS_SUPPORTS_SMP
L
Linus Torvalds 已提交
445 446 447 448 449
	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
450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466
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_I8042
	select SGI_HAS_INDYDOG
467
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
468 469 470 471 472
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
473 474 475 476 477 478 479 480
	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# select SYS_HAS_EARLY_PRINTK
T
Thomas Bogendoerfer 已提交
481 482 483 484 485 486
	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
487
config SGI_IP32
488
	bool "SGI IP32 (O2)"
L
Linus Torvalds 已提交
489 490 491
	select ARC
	select ARC32
	select BOOT_ELF32
492
	select CEVT_R4K
493
	select CSRC_R4K
L
Linus Torvalds 已提交
494 495
	select DMA_NONCOHERENT
	select HW_HAS_PCI
496
	select IRQ_CPU
L
Linus Torvalds 已提交
497 498
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
499 500 501
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
502
	select SYS_HAS_CPU_NEVADA
503
	select SYS_SUPPORTS_64BIT_KERNEL
504 505
	select SYS_SUPPORTS_BIG_ENDIAN
	help
506
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
507

508 509 510
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
A
Andrew Isaacson 已提交
511 512
	select BOOT_ELF32
	select DMA_COHERENT
513
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
514
	select SWAP_IO_SPACE
515
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
516 517 518
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

519 520 521
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
522
	select BOOT_ELF32
L
Linus Torvalds 已提交
523
	select DMA_COHERENT
524
	select SIBYTE_BCM1120
525
	select SWAP_IO_SPACE
526
	select SYS_HAS_CPU_SB1
527
	select SYS_SUPPORTS_BIG_ENDIAN
528
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
529

530 531
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
532 533 534
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
535
	select SIBYTE_BCM1125
536
	select SWAP_IO_SPACE
537
	select SYS_HAS_CPU_SB1
538
	select SYS_SUPPORTS_BIG_ENDIAN
539
	select SYS_SUPPORTS_HIGHMEM
540
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
541

542
config SIBYTE_RHONE
543
	bool "Sibyte BCM91125E-Rhone"
544 545 546 547 548
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
549
	select SYS_HAS_CPU_SB1
550 551
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
552

553 554
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
555
	select BOOT_ELF32
P
Pete Popov 已提交
556
	select DMA_COHERENT
557
	select HAVE_PATA_PLATFORM
558 559
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
560
	select SWAP_IO_SPACE
561
	select SYS_HAS_CPU_SB1
562
	select SYS_SUPPORTS_BIG_ENDIAN
563
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
564
	select SYS_SUPPORTS_LITTLE_ENDIAN
565
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
566

567 568
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
569 570 571
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
572
	select HAVE_PATA_PLATFORM
573
	select NR_CPUS_DEFAULT_2
574 575
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
576
	select SYS_HAS_CPU_SB1
577 578 579
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
580

581 582
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
583 584 585
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
586
	select NR_CPUS_DEFAULT_2
587 588
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
589
	select SYS_HAS_CPU_SB1
590 591
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
592

593 594
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
595 596
	select BOOT_ELF32
	select DMA_COHERENT
597 598
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
599
	select SWAP_IO_SPACE
600
	select SYS_HAS_CPU_SB1
601
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
602
	select SYS_SUPPORTS_HIGHMEM
603
	select SYS_SUPPORTS_LITTLE_ENDIAN
604
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
605

606 607
config SNI_RM
	bool "SNI RM200/300/400"
608 609
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
610
	select SNIPROM if CPU_BIG_ENDIAN
611
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
612
	select BOOT_ELF32
613
	select CEVT_R4K
614
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
615
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
616 617
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
618
	select HW_HAS_EISA
L
Linus Torvalds 已提交
619
	select HW_HAS_PCI
620
	select IRQ_CPU
621
	select I8253
L
Linus Torvalds 已提交
622 623
	select I8259
	select ISA
624
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
625
	select SYS_HAS_CPU_R4X00
626
	select SYS_HAS_CPU_R5000
627
	select SYS_HAS_CPU_R10000
628
	select R5000_CPU_SCACHE
629
	select SYS_HAS_EARLY_PRINTK
630 631
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
632
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
633
	select SYS_SUPPORTS_HIGHMEM
634
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
635
	help
636 637
	  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
638 639 640
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

641 642
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
643

644 645
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
646

647 648 649 650 651 652 653 654 655 656 657 658
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	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 SWAP_IO_SPACE
	select BOOT_RAW
659
	select ARCH_REQUIRE_GPIOLIB
660 661 662 663
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

664 665
config WR_PPMC
	bool "Wind River PPMC board"
666
	select CEVT_R4K
667
	select CSRC_R4K
668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
	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.

687
config CAVIUM_OCTEON_SIMULATOR
688
	bool "Cavium Networks Octeon Simulator"
689 690 691 692 693 694
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
695
	select SYS_SUPPORTS_HOTPLUG_CPU
696
	select SYS_HAS_CPU_CAVIUM_OCTEON
697 698 699 700 701 702
	help
	  The Octeon simulator is software performance model of the Cavium
	  Octeon Processor. It supports simulating Octeon processors on x86
	  hardware.

config CAVIUM_OCTEON_REFERENCE_BOARD
703
	bool "Cavium Networks Octeon reference board"
704 705 706 707 708 709
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
710
	select SYS_SUPPORTS_HOTPLUG_CPU
711
	select SYS_HAS_EARLY_PRINTK
712
	select SYS_HAS_CPU_CAVIUM_OCTEON
713
	select SWAP_IO_SPACE
714 715
	select HW_HAS_PCI
	select ARCH_SUPPORTS_MSI
D
David Daney 已提交
716
	select ZONE_DMA32
717 718
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
719 720 721 722 723 724 725 726 727 728 729 730 731
	help
	  This option supports all of the Octeon reference boards from Cavium
	  Networks. It builds a kernel that dynamically determines the Octeon
	  CPU type and supports all known board reference implementations.
	  Some of the supported boards are:
		EBT3000
		EBH3000
		EBH3100
		Thunder
		Kodama
		Hikari
	  Say Y here for most Octeon reference boards.

732
endchoice
L
Linus Torvalds 已提交
733

R
Ralf Baechle 已提交
734
source "arch/mips/alchemy/Kconfig"
735
source "arch/mips/ath79/Kconfig"
736
source "arch/mips/bcm63xx/Kconfig"
737
source "arch/mips/jazz/Kconfig"
738
source "arch/mips/jz4740/Kconfig"
739
source "arch/mips/lasat/Kconfig"
740
source "arch/mips/pmc-sierra/Kconfig"
741
source "arch/mips/powertv/Kconfig"
742
source "arch/mips/sgi-ip27/Kconfig"
743
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
744
source "arch/mips/txx9/Kconfig"
745
source "arch/mips/vr41xx/Kconfig"
746
source "arch/mips/cavium-octeon/Kconfig"
747
source "arch/mips/loongson/Kconfig"
748

749 750
endmenu

L
Linus Torvalds 已提交
751 752 753 754 755 756 757
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

758 759 760 761 762 763 764 765
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

R
Ralf Baechle 已提交
766 767 768 769
config ARCH_SUPPORTS_OPROFILE
	bool
	default y if !MIPS_MT_SMTC

770 771 772 773 774 775 776 777
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
778 779 780 781
config GENERIC_CALIBRATE_DELAY
	bool
	default y

782 783 784 785
config GENERIC_CLOCKEVENTS
	bool
	default y

786 787 788 789
config GENERIC_CMOS_UPDATE
	bool
	default y

790
config SCHED_OMIT_FRAME_POINTER
791 792 793
	bool
	default y

794
config GENERIC_HARDIRQS_NO__DO_IRQ
795
	def_bool y
796

L
Linus Torvalds 已提交
797 798 799 800 801 802
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

803 804 805
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
806 807 808
config BOOT_RAW
	bool

809 810 811
config CEVT_BCM1480
	bool

812 813 814
config CEVT_DS1287
	bool

815 816 817
config CEVT_GT641XX
	bool

818 819 820
config CEVT_R4K_LIB
	bool

821
config CEVT_R4K
822
	select CEVT_R4K_LIB
823 824
	bool

825 826 827
config CEVT_SB1250
	bool

828 829 830
config CEVT_TXX9
	bool

831 832 833
config CSRC_BCM1480
	bool

834 835 836
config CSRC_IOASIC
	bool

837 838 839
config CSRC_POWERTV
	bool

840 841 842
config CSRC_R4K_LIB
	bool

843
config CSRC_R4K
844
	select CSRC_R4K_LIB
845 846
	bool

847 848 849
config CSRC_SB1250
	bool

850 851
config GPIO_TXX9
	select GENERIC_GPIO
M
Michael Buesch 已提交
852
	select ARCH_REQUIRE_GPIOLIB
853 854
	bool

855 856 857
config CFE
	bool

858
config DMA_COHERENT
L
Linus Torvalds 已提交
859 860
	bool

861 862
config DMA_NONCOHERENT
	bool
863
	select NEED_DMA_MAP_STATE
864

865
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
866 867
	bool

868
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
869 870
	bool

871
config HOTPLUG_CPU
872 873 874 875 876 877 878 879 880 881
	bool "Support for hot-pluggable CPUs"
	depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Say Y here to allow turning CPUs off and on. CPUs can be
	  controlled through /sys/devices/system/cpu.
	  (Note: power management support will enable this option
	    automatically on SMP systems. )
	  Say N if you want to disable CPU hotplug.

config SYS_SUPPORTS_HOTPLUG_CPU
882 883
	bool

L
Linus Torvalds 已提交
884 885 886 887 888 889 890 891 892
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

893 894 895
config MIPS_NILE4
	bool

L
Linus Torvalds 已提交
896 897 898
config MIPS_DISABLE_OBSOLETE_IDE
	bool

899 900 901
config SYNC_R4K
	bool

902 903 904
config MIPS_MACHINE
	def_bool n

905 906 907
config NO_IOPORT
	def_bool n

908 909 910
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
911
	select ISA_DMA_API
912

913 914
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
915
	select GENERIC_ISA_DMA
916

917 918 919
config ISA_DMA_API
	bool

Y
Yoichi Yuasa 已提交
920 921 922
config GENERIC_GPIO
	bool

923
#
M
Matt LaPlante 已提交
924
# Endianess selection.  Sufficiently obscure so many users don't know what to
925 926 927 928 929
# 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
930 931
	help
	  Some MIPS machines can be configured for either little or big endian
932
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
933
	  Linux distribution.  In general there is one preferred byteorder for a
934
	  particular system but some systems are just as commonly used in the
935
	  one or the other endianness.
936 937 938 939 940 941 942 943 944 945 946 947

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

948 949 950
config EXPORT_UASM
	bool

951 952 953
config SYS_SUPPORTS_APM_EMULATION
	bool

954 955 956 957 958
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
959

960 961 962 963 964
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

L
Linus Torvalds 已提交
965 966 967 968 969 970
config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

971 972 973
config IRQ_CPU_RM9K
	bool

M
Marc St-Jean 已提交
974 975 976 977 978 979
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

980 981 982
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
983 984 985
config IRQ_GT641XX
	bool

986 987 988
config IRQ_GIC
	bool

989 990 991
config IRQ_CPU_OCTEON
	bool

L
Linus Torvalds 已提交
992 993 994
config MIPS_BOARDS_GEN
	bool

995
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
996 997
	bool

M
Marc St-Jean 已提交
998 999 1000
config NO_EXCEPT_FILL
	bool

1001 1002 1003 1004
config MIPS_RM9122
	bool
	select SERIAL_RM9000

1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
	select GENERIC_GPIO
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1034 1035 1036 1037 1038 1039 1040 1041
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
1042
	select SYS_HAS_CPU_MIPS32_R1
1043
	select SYS_HAS_EARLY_PRINTK
1044
	select SYS_SUPPORTS_32BIT_KERNEL
1045
	select GENERIC_GPIO
1046

L
Linus Torvalds 已提交
1047 1048 1049
config SWAP_IO_SPACE
	bool

1050 1051 1052
config SERIAL_RM9000
	bool

T
Thomas Bogendoerfer 已提交
1053 1054 1055
config SGI_HAS_INDYDOG
	bool

1056 1057 1058
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
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

1074 1075 1076
config ARC32
	bool

1077 1078 1079
config SNIPROM
	bool

L
Linus Torvalds 已提交
1080 1081 1082 1083 1084
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1085
	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1086
	default "6" if MIPS_CPU_SCACHE
1087
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1088 1089 1090 1091 1092 1093 1094
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1095
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1096 1097 1098

config ARC_MEMORY
	bool
1099
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
1100 1101 1102 1103
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
1104
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1119 1120 1121 1122
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1123 1124 1125 1126
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

1127 1128 1129 1130 1131 1132 1133
	  It has an internal FPGA northbridge, which is compatiable to
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1134 1135
	select GENERIC_GPIO
	select ARCH_REQUIRE_GPIOLIB
1136 1137 1138 1139 1140 1141 1142 1143
	help
	  The Loongson 2F processor implements the MIPS III instruction set
	  with many extensions.

	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
	  have a similar programming interface with FPGA northbridge used in
	  Loongson2E.

1144 1145
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1146
	depends on SYS_HAS_CPU_MIPS32_R1
1147
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1148
	select CPU_SUPPORTS_32BIT_KERNEL
1149
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1150
	help
1151
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
	  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"
1163
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1164
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1165
	select CPU_SUPPORTS_32BIT_KERNEL
1166
	select CPU_SUPPORTS_HIGHMEM
1167
	help
1168
	  Choose this option to build a kernel for release 2 or later of the
1169 1170 1171 1172 1173 1174 1175
	  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"
1176
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1177
	select CPU_HAS_PREFETCH
1178 1179
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1180
	select CPU_SUPPORTS_HIGHMEM
1181
	select CPU_SUPPORTS_HUGEPAGES
1182 1183 1184 1185 1186 1187
	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
1188 1189 1190 1191 1192 1193 1194
	  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"
1195
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1196
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1197 1198
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1199
	select CPU_SUPPORTS_HIGHMEM
1200
	select CPU_SUPPORTS_HUGEPAGES
R
Ralf Baechle 已提交
1201 1202 1203 1204 1205 1206
	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
1207 1208 1209

config CPU_R3000
	bool "R3000"
1210
	depends on SYS_HAS_CPU_R3000
1211
	select CPU_HAS_WB
1212
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1213
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
	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"
1224
	depends on SYS_HAS_CPU_TX39XX
1225
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1226 1227 1228

config CPU_VR41XX
	bool "R41xx"
1229
	depends on SYS_HAS_CPU_VR41XX
1230 1231
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1232
	help
1233
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1234 1235 1236 1237 1238 1239
	  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"
1240
	depends on SYS_HAS_CPU_R4300
1241 1242
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1243 1244 1245 1246 1247
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1248
	depends on SYS_HAS_CPU_R4X00
1249 1250
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1251 1252 1253 1254 1255 1256
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1257
	depends on SYS_HAS_CPU_TX49XX
A
Atsushi Nemoto 已提交
1258
	select CPU_HAS_PREFETCH
1259 1260
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1261 1262 1263

config CPU_R5000
	bool "R5000"
1264
	depends on SYS_HAS_CPU_R5000
1265 1266
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1267 1268 1269 1270 1271
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1272
	depends on SYS_HAS_CPU_R5432
1273 1274
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1275

1276 1277 1278 1279 1280
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1281
	select CPU_SUPPORTS_HUGEPAGES
1282 1283 1284 1285
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
Linus Torvalds 已提交
1286 1287
config CPU_R6000
	bool "R6000"
1288
	depends on EXPERIMENTAL
1289
	depends on SYS_HAS_CPU_R6000
1290
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1291 1292
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1293
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1294 1295 1296

config CPU_NEVADA
	bool "RM52xx"
1297
	depends on SYS_HAS_CPU_NEVADA
1298 1299
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1300 1301 1302 1303 1304
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1305
	depends on EXPERIMENTAL
1306
	depends on SYS_HAS_CPU_R8000
1307
	select CPU_HAS_PREFETCH
1308
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1309 1310 1311 1312 1313 1314
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1315
	depends on SYS_HAS_CPU_R10000
1316
	select CPU_HAS_PREFETCH
1317 1318
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1319
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1320 1321 1322 1323 1324
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1325
	depends on SYS_HAS_CPU_RM7000
1326
	select CPU_HAS_PREFETCH
1327 1328
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1329
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1330 1331 1332

config CPU_RM9000
	bool "RM9000"
1333
	depends on SYS_HAS_CPU_RM9000
1334
	select CPU_HAS_PREFETCH
1335 1336
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1337
	select CPU_SUPPORTS_HIGHMEM
1338
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1339 1340 1341

config CPU_SB1
	bool "SB1"
1342
	depends on SYS_HAS_CPU_SB1
1343 1344
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1345
	select CPU_SUPPORTS_HIGHMEM
1346
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1347

1348 1349
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1350
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1351 1352 1353 1354 1355 1356 1357 1358
	select IRQ_CPU
	select IRQ_CPU_OCTEON
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1359
	select CPU_SUPPORTS_HUGEPAGES
1360 1361 1362 1363 1364 1365
	help
	  The Cavium Octeon processor is a highly integrated chip containing
	  many ethernet hardware widgets for networking tasks. The processor
	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
	  Full details can be found at http://www.caviumnetworks.com.

1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416
config CPU_BMIPS3300
	bool "BMIPS3300"
	depends on SYS_HAS_CPU_BMIPS3300
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select WEAK_ORDERING
	help
	  Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
	bool "BMIPS4350"
	depends on SYS_HAS_CPU_BMIPS4350
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS4350 ("VIPER") processors.

config CPU_BMIPS4380
	bool "BMIPS4380"
	depends on SYS_HAS_CPU_BMIPS4380
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
	bool "BMIPS5000"
	depends on SYS_HAS_CPU_BMIPS5000
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS5000 processors.

L
Linus Torvalds 已提交
1417 1418
endchoice

1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445
if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
	bool

config CPU_JUMP_WORKAROUNDS
	bool

config CPU_LOONGSON2F_WORKAROUNDS
	bool "Loongson 2F Workarounds"
	default y
	select CPU_NOP_WORKAROUNDS
	select CPU_JUMP_WORKAROUNDS
	help
	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
	  require workarounds.  Without workarounds the system may hang
	  unexpectedly.  For more information please refer to the gas
	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.

	  Loongson 2F03 and later have fixed these issues and no workarounds
	  are needed.  The workarounds have no significant side effect on them
	  but may decrease the performance of the system so this option should
	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
	  systems.

	  If unsure, please say Y.
endif # CPU_LOONGSON2F

1446 1447 1448 1449 1450
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
1451
	select HAVE_KERNEL_LZO
1452 1453 1454 1455 1456

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1457 1458 1459 1460 1461 1462 1463
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM

config SYS_HAS_CPU_LOONGSON2E
1464 1465
	bool

1466 1467
config SYS_HAS_CPU_LOONGSON2F
	bool
1468 1469
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1470
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1471

1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507
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

1508 1509 1510
config SYS_HAS_CPU_R5500
	bool

1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531
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

1532 1533 1534
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546
config SYS_HAS_CPU_BMIPS3300
	bool

config SYS_HAS_CPU_BMIPS4350
	bool

config SYS_HAS_CPU_BMIPS4380
	bool

config SYS_HAS_CPU_BMIPS5000
	bool

1547 1548 1549 1550
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1551 1552
config WEAK_ORDERING
	bool
1553 1554 1555 1556 1557 1558 1559

#
# 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
1560 1561 1562
endmenu

#
C
Chris Dearman 已提交
1563
# These two indicate any level of the MIPS32 and MIPS64 architecture
1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
#
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
1574
# These two indicate the revision of the architecture, either Release 1 or Release 2
1575 1576 1577 1578 1579 1580 1581
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1582
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1583 1584 1585 1586 1587 1588 1589 1590 1591

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1592 1593 1594 1595
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1596 1597
config CPU_SUPPORTS_HUGEPAGES
	bool
1598 1599
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1600 1601 1602
config MIPS_PGD_C0_CONTEXT
	bool
	default y if 64BIT && CPU_MIPSR2
1603

1604 1605 1606 1607 1608
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1609
       default y if CPU_MIPSR1 || CPU_MIPSR2
1610

1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630
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
1631
	select HAVE_SYSCALL_WRAPPERS
1632 1633 1634 1635 1636
	help
	  Select this option if you want to build a 64-bit kernel.

endchoice

L
Linus Torvalds 已提交
1637 1638 1639 1640 1641 1642
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
W
Wu Zhangjin 已提交
1643
	depends on !CPU_LOONGSON2
L
Linus Torvalds 已提交
1644 1645 1646 1647 1648 1649 1650 1651
	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"
1652
	depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1653 1654 1655
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
1656 1657
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
L
Linus Torvalds 已提交
1658 1659 1660

config PAGE_SIZE_16KB
	bool "16kB"
1661
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1662 1663 1664
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1665 1666
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1667

1668 1669 1670 1671 1672 1673 1674 1675 1676
config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
	help
	  Using 32kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
	  only on cnMIPS cores.  Note that you will need a suitable Linux
	  distribution to support this.

L
Linus Torvalds 已提交
1677 1678 1679 1680 1681 1682 1683
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
1684
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1685 1686 1687

endchoice

1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
	range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
	default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
	range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
	default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
	range 11 64
	default "11"
	help
	  The kernel memory allocator divides physically contiguous memory
	  blocks into "zones", where each zone is a power of two number of
	  pages.  This option selects the largest power of two that the kernel
	  keeps in the memory allocator.  If you need to allocate very large
	  blocks of physically contiguous memory, then you may need to
	  increase this value.

	  This config option is actually maximum order plus one. For example,
	  a value of 11 means that the largest free memory block is 2^10 pages.

	  The page size is not necessarily 4KB.  Keep this in mind
	  when choosing a value for this option.

L
Linus Torvalds 已提交
1710 1711 1712 1713 1714 1715 1716
config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1717 1718 1719 1720 1721 1722 1723
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
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
1741
	bool
L
Linus Torvalds 已提交
1742

R
Ralf Baechle 已提交
1743 1744
choice
	prompt "MIPS MT options"
1745 1746 1747 1748 1749 1750 1751 1752

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
1753

R
Ralf Baechle 已提交
1754 1755
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1756
	depends on SYS_SUPPORTS_MULTITHREADING
1757
	select CPU_MIPSR2_IRQ_VI
1758
	select CPU_MIPSR2_IRQ_EI
1759
	select MIPS_MT
1760
	select NR_CPUS_DEFAULT_2
1761
	select SMP
1762
	select SYS_SUPPORTS_SCHED_SMT if SMP
1763
	select SYS_SUPPORTS_SMP
1764
	select SMP_UP
1765
	help
1766 1767 1768 1769 1770 1771 1772 1773 1774 1775
	  This is a kernel model which is known a VSMP but lately has been
	  marketesed into SMVP.
	  Virtual SMP uses the processor's VPEs  to implement virtual
	  processors. In currently available configuration of the 34K processor
	  this allows for a dual processor. Both processors will share the same
	  primary caches; each will obtain the half of the TLB for it's own
	  exclusive use. For a layman this model can be described as similar to
	  what Intel calls Hyperthreading.

	  For further information see http://www.linux-mips.org/wiki/34K#VSMP
1776

R
Ralf Baechle 已提交
1777 1778 1779 1780
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 ...
1781 1782
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1783
	select CPU_MIPSR2_IRQ_EI
1784
	select MIPS_MT
1785
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1786
	select SMP
1787
	select SYS_SUPPORTS_SMP
1788
	select SMP_UP
1789
	help
R
Ralf Baechle 已提交
1790 1791
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
1792 1793 1794 1795 1796 1797 1798 1799
	  is presenting the available TC's of the core as processors to Linux.
	  On currently available 34K processors this means a Linux system will
	  see up to 5 processors. The implementation of the SMTC kernel differs
	  significantly from VSMP and cannot efficiently coexist in the same
	  kernel binary so the choice between VSMP and SMTC is a compile time
	  decision.

	  For further information see http://www.linux-mips.org/wiki/34K#SMTC
R
Ralf Baechle 已提交
1800 1801 1802

endchoice

1803 1804 1805
config MIPS_MT
	bool

1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818
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


1819 1820 1821
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1822 1823 1824
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835
	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
1836

1837 1838 1839
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1840
	default n
1841 1842 1843 1844 1845 1846
	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
1847
	  impact on interrupt service overhead.
1848

1849 1850 1851 1852 1853 1854 1855 1856
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
1857 1858
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1859

1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871
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
1872 1873 1874
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1875

1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
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.

1886 1887 1888
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SYS_SUPPORTS_MIPS_CMP
1889
	select SYNC_R4K
1890 1891 1892 1893 1894 1895 1896 1897
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT if SMP
	select WEAK_ORDERING
	default n
	help
	  This is a placeholder option for the GCMP work. It will need to
	  be handled differently...

L
Linus Torvalds 已提交
1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913
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
1914
	bool
L
Linus Torvalds 已提交
1915

1916 1917 1918
config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930
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
1931
config CPU_HAS_WB
1932
	bool
1933

1934 1935 1936
#
# Vectored interrupt mode is an R2 feature
#
1937
config CPU_MIPSR2_IRQ_VI
1938
	bool
1939

1940 1941 1942
#
# Extended interrupt mode is an R2 feature
#
1943
config CPU_MIPSR2_IRQ_EI
1944
	bool
1945

L
Linus Torvalds 已提交
1946 1947 1948 1949 1950
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

R
Ralf Baechle 已提交
1951 1952 1953
config GENERIC_CLOCKEVENTS_BROADCAST
	bool

1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

L
Linus Torvalds 已提交
1967 1968 1969 1970 1971 1972 1973 1974 1975
#
# - 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
1976 1977 1978
# - 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
1979 1980 1981
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
1982 1983 1984 1985 1986 1987 1988
	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
1989

1990 1991 1992
config SYS_SUPPORTS_SMARTMIPS
	bool

1993 1994
config ARCH_FLATMEM_ENABLE
	def_bool y
1995
	depends on !NUMA && !CPU_LOONGSON2
1996

1997 1998 1999 2000
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2001
	  Say Y to support efficient handling of discontiguous physical memory,
2002 2003 2004 2005
	  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.

2006 2007 2008
config ARCH_POPULATES_NODE_MAP
	def_bool y

2009 2010
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
2011
	select SPARSEMEM_STATIC
2012

2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
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
2026 2027 2028 2029 2030
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2031 2032 2033 2034 2035 2036 2037 2038
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2039 2040
source "mm/Kconfig"

L
Linus Torvalds 已提交
2041 2042
config SMP
	bool "Multi-Processing support"
2043
	depends on SYS_SUPPORTS_SMP
2044
	select IRQ_PER_CPU
2045
	select USE_GENERIC_SMP_HELPERS
2046
	help
L
Linus Torvalds 已提交
2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059
	  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
2060 2061
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
2062 2063 2064

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

2065 2066 2067
config SMP_UP
	bool

2068 2069 2070
config SYS_SUPPORTS_MIPS_CMP
	bool

2071 2072 2073
config SYS_SUPPORTS_SMP
	bool

2074 2075 2076
config NR_CPUS_DEFAULT_1
	bool

2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094
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
2095 2096
config NR_CPUS
	int "Maximum number of CPUs (2-64)"
2097
	range 1 64 if NR_CPUS_DEFAULT_1
L
Linus Torvalds 已提交
2098
	depends on SMP
2099
	default "1" if NR_CPUS_DEFAULT_1
2100 2101 2102 2103 2104 2105
	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
2106 2107 2108 2109
	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
2110 2111
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
2112 2113

	  This is purely to save memory - each supported CPU adds
2114 2115 2116
	  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
2117

2118 2119
source "kernel/time/Kconfig"

2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2131
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190

	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
2191
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
2192 2193 2194

config MIPS_INSANE_LARGE
	bool "Support for large 64-bit configurations"
2195
	depends on CPU_R10000 && 64BIT
L
Linus Torvalds 已提交
2196 2197 2198 2199 2200 2201 2202
	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.

2203 2204 2205 2206 2207 2208
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
2209
	  but it is independent of the system firmware.   And like a reboot
2210 2211
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
2212
	  The name comes from the similarity to the exec system call.
2213 2214 2215 2216 2217 2218 2219 2220 2221

	  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"
2222
	depends on PROC_FS
2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236
	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.

2237 2238 2239
config USE_OF
	bool "Flattened Device Tree support"
	select OF
2240
	select OF_EARLY_FLATTREE
2241 2242 2243
	help
	  Include support for flattened device tree machine descriptions.

2244 2245
endmenu

2246 2247 2248 2249 2250 2251 2252 2253
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2254 2255
source "init/Kconfig"

2256 2257
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
2258 2259
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

2260 2261
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
2262 2263 2264 2265 2266 2267
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2268
	select PCI_DOMAINS
L
Linus Torvalds 已提交
2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289
	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"
2290
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
2291
	select ISA
2292
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311
	---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
2312 2313 2314 2315 2316 2317 2318 2319
	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  TURBOchannel programming specifications are available
	  at:
	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
	  and:
	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
	  Linux driver support status is documented at:
	  <http://www.linux-mips.org/wiki/DECstation>
L
Linus Torvalds 已提交
2320 2321 2322 2323 2324 2325 2326 2327 2328

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

config MMU
	bool
	default y

2329 2330
config I8253
	bool
W
Wu Zhangjin 已提交
2331
	select MIPS_EXTERNAL_TIMER
2332

2333 2334 2335
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350
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"
2351
	depends on 64BIT
L
Linus Torvalds 已提交
2352 2353 2354 2355 2356 2357 2358 2359 2360 2361
	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

2362 2363 2364 2365 2366
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
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

2392 2393 2394 2395
endmenu

menu "Power management options"

W
Wu Zhangjin 已提交
2396 2397
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2398
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
2399

J
Johannes Berg 已提交
2400 2401
config ARCH_SUSPEND_POSSIBLE
	def_bool y
2402
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
2403

2404
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2405

L
Linus Torvalds 已提交
2406 2407
endmenu

W
Wu Zhangjin 已提交
2408 2409
source "arch/mips/kernel/cpufreq/Kconfig"

2410 2411
source "net/Kconfig"

L
Linus Torvalds 已提交
2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"