Kconfig 59.5 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
	select HAVE_IRQ_WORK
8 9
	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
10
	select HAVE_ARCH_KGDB
11
	select HAVE_FUNCTION_TRACER
12
	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
13 14
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
15
	select HAVE_C_RECORDMCOUNT
16
	select HAVE_FUNCTION_GRAPH_TRACER
D
David Daney 已提交
17 18
	select HAVE_KPROBES
	select HAVE_KRETPROBES
D
David Daney 已提交
19
	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
20
	select RTC_LIB if !MACH_LOONGSON
21
	select GENERIC_ATOMIC64 if !64BIT
22 23
	select HAVE_DMA_ATTRS
	select HAVE_DMA_API_DEBUG
24 25
	select HAVE_GENERIC_HARDIRQS
	select GENERIC_IRQ_PROBE
26
	select GENERIC_IRQ_SHOW
27
	select HAVE_ARCH_JUMP_LABEL
28
	select IRQ_FORCED_THREADING
T
Tejun Heo 已提交
29 30 31
	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP
	select ARCH_DISCARD_MEMBLOCK
L
Linus Torvalds 已提交
32 33 34

menu "Machine selection"

35 36 37
config ZONE_DMA
	bool

38 39 40
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
41

42
config MIPS_ALCHEMY
43
	bool "Alchemy processor based machines"
44 45 46 47 48 49 50 51 52
	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
53
	select SYS_SUPPORTS_ZBOOT
54 55
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
L
Linus Torvalds 已提交
56

57 58 59 60 61 62 63 64 65 66 67 68 69
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
70
	select SYS_SUPPORTS_ZBOOT_UART16550
F
Florian Fainelli 已提交
71
	select ARCH_REQUIRE_GPIOLIB
72 73 74 75 76
	select VLYNQ
	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

77 78
config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
G
Gabor Juhos 已提交
79
	select ARCH_REQUIRE_GPIOLIB
80 81 82 83 84
	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
85
	select MIPS_MACHINE
86 87 88 89 90 91 92
	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.

93
config BCM47XX
94
	bool "Broadcom BCM47XX based boards"
95
	select CEVT_R4K
96
	select CSRC_R4K
97 98 99 100 101 102
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select GENERIC_GPIO
A
Aurelien Jarno 已提交
103 104
	select SYS_HAS_EARLY_PRINTK
	select CFE
105 106 107
	help
	 Support for BCM47XX based boards

108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
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
123
config MIPS_COBALT
124
	bool "Cobalt Server"
125
	select CEVT_R4K
126
	select CSRC_R4K
127
	select CEVT_GT641XX
L
Linus Torvalds 已提交
128 129
	select DMA_NONCOHERENT
	select HW_HAS_PCI
130
	select I8253
L
Linus Torvalds 已提交
131 132
	select I8259
	select IRQ_CPU
Y
Yoichi Yuasa 已提交
133
	select IRQ_GT641XX
134
	select PCI_GT64XXX_PCI0
135
	select PCI
136
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
137
	select SYS_HAS_EARLY_PRINTK
138
	select SYS_SUPPORTS_32BIT_KERNEL
139
	select SYS_SUPPORTS_64BIT_KERNEL
140
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
141 142

config MACH_DECSTATION
143
	bool "DECstations"
L
Linus Torvalds 已提交
144
	select BOOT_ELF32
145
	select CEVT_DS1287
146
	select CEVT_R4K
147
	select CSRC_IOASIC
148
	select CSRC_R4K
149 150 151
	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
L
Linus Torvalds 已提交
152
	select DMA_NONCOHERENT
153
	select NO_IOPORT
L
Linus Torvalds 已提交
154
	select IRQ_CPU
155 156
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
157 158
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
159
	select SYS_SUPPORTS_LITTLE_ENDIAN
160 161 162
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
163
	help
L
Linus Torvalds 已提交
164 165 166 167 168 169 170
	  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:

171 172 173 174
		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
L
Linus Torvalds 已提交
175 176 177

	  otherwise choose R3000.

178
config MACH_JAZZ
179
	bool "Jazz family of machines"
180 181 182
	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
183
	select CEVT_R4K
184
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
185
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
186
	select GENERIC_ISA_DMA
187
	select HAVE_PCSPKR_PLATFORM
T
Thomas Bogendoerfer 已提交
188
	select IRQ_CPU
189
	select I8253
190 191
	select I8259
	select ISA
192
	select SYS_HAS_CPU_R4X00
193 194
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
195
	select SYS_SUPPORTS_100HZ
L
Linus Torvalds 已提交
196
	help
197 198
	 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.
199
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
200 201
	 Olivetti M700-10 workstations.

202 203 204 205 206 207 208 209 210 211 212
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
M
Maurus Cuelenaere 已提交
213
	select HAVE_CLK
214
	select GENERIC_IRQ_CHIP
215

216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231
config LANTIQ
	bool "Lantiq based platforms"
	select DMA_NONCOHERENT
	select IRQ_CPU
	select CEVT_R4K
	select CSRC_R4K
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_HAS_EARLY_PRINTK
	select ARCH_REQUIRE_GPIOLIB
	select SWAP_IO_SPACE
	select BOOT_RAW
	select HAVE_CLK
232
	select MIPS_MACHINE
233

234 235
config LASAT
	bool "LASAT Networks platforms"
236
	select CEVT_R4K
237
	select CSRC_R4K
238 239 240
	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
241
	select IRQ_CPU
242 243 244 245 246 247 248 249
	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

250 251
config MACH_LOONGSON
	bool "Loongson family of machines"
252
	select SYS_SUPPORTS_ZBOOT
253
	help
254 255 256 257 258 259
	  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.
260

L
Linus Torvalds 已提交
261
config MIPS_MALTA
262
	bool "MIPS Malta board"
263
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
264
	select BOOT_ELF32
265
	select BOOT_RAW
266
	select CEVT_R4K
267
	select CSRC_R4K
L
Linus Torvalds 已提交
268 269
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
270
	select HAVE_PCSPKR_PLATFORM
271
	select IRQ_CPU
272
	select IRQ_GIC
L
Linus Torvalds 已提交
273
	select HW_HAS_PCI
274
	select I8253
L
Linus Torvalds 已提交
275
	select I8259
276 277
	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
278
	select MIPS_CPU_SCACHE
279
	select PCI_GT64XXX_PCI0
280
	select MIPS_MSC
L
Linus Torvalds 已提交
281
	select SWAP_IO_SPACE
282 283 284 285 286
	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
287
	select SYS_HAS_EARLY_PRINTK
288 289
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
290 291
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
T
Tim Anderson 已提交
292
	select SYS_SUPPORTS_MIPS_CMP
293
	select SYS_SUPPORTS_MULTITHREADING
294
	select SYS_SUPPORTS_SMARTMIPS
295
	select SYS_SUPPORTS_ZBOOT
L
Linus Torvalds 已提交
296
	help
297
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
298 299
	  board.

300
config MIPS_SIM
301
	bool 'MIPS simulator (MIPSsim)'
302
	select CEVT_R4K
303
	select CSRC_R4K
L
Linus Torvalds 已提交
304
	select DMA_NONCOHERENT
305
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
306
	select IRQ_CPU
M
Marc St-Jean 已提交
307
	select BOOT_RAW
308 309
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
310
	select SYS_HAS_EARLY_PRINTK
311
	select SYS_SUPPORTS_32BIT_KERNEL
312
	select SYS_SUPPORTS_BIG_ENDIAN
313
	select SYS_SUPPORTS_MULTITHREADING
314
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
315
	help
316 317
	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
L
Linus Torvalds 已提交
318

319 320 321 322 323 324
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.
325

326
config MACH_VR41XX
327
	bool "NEC VR4100 series based machines"
328
	select CEVT_R4K
329
	select CSRC_R4K
330
	select SYS_HAS_CPU_VR41XX
331
	select ARCH_REQUIRE_GPIOLIB
332

333 334 335 336 337 338 339 340 341 342 343 344 345
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.

346
config PNX8550_JBS
347
	bool "NXP PNX8550 based JBS board"
348 349 350 351
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_STB810
352
	bool "NXP PNX8550 based STB810 board"
353 354 355
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

M
Marc St-Jean 已提交
356 357 358
config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
	depends on EXPERIMENTAL
359 360
	select CEVT_R4K
	select CSRC_R4K
M
Marc St-Jean 已提交
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377
	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.

378
config PMC_YOSEMITE
379
	bool "PMC-Sierra Yosemite eval board"
380
	select CEVT_R4K
381
	select CSRC_R4K
382 383 384 385 386 387
	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
388
	select SYS_HAS_CPU_RM9000
389
	select SYS_HAS_EARLY_PRINTK
390 391 392 393
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
394
	select SYS_SUPPORTS_SMP
395 396 397
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
L
Linus Torvalds 已提交
398

399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416
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
417
config SGI_IP22
418
	bool "SGI IP22 (Indy/Indigo2)"
L
Linus Torvalds 已提交
419 420 421
	select ARC
	select ARC32
	select BOOT_ELF32
422
	select CEVT_R4K
423
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
424
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
425
	select DMA_NONCOHERENT
426
	select HW_HAS_EISA
427
	select I8253
428
	select I8259
L
Linus Torvalds 已提交
429 430
	select IP22_CPU_SCACHE
	select IRQ_CPU
431
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
432 433
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
434
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
435 436 437
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
438
	select SWAP_IO_SPACE
439 440
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
441 442 443 444 445 446 447 448
	#
	# 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
449 450
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
451
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
452 453 454 455 456 457
	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
458
	bool "SGI IP27 (Origin200/2000)"
L
Linus Torvalds 已提交
459 460
	select ARC
	select ARC64
461
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
462
	select DEFAULT_SGI_PARTITION
463
	select DMA_COHERENT
464
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
465
	select HW_HAS_PCI
466
	select NR_CPUS_DEFAULT_64
467
	select SYS_HAS_CPU_R10000
468
	select SYS_SUPPORTS_64BIT_KERNEL
469
	select SYS_SUPPORTS_BIG_ENDIAN
470
	select SYS_SUPPORTS_NUMA
471
	select SYS_SUPPORTS_SMP
L
Linus Torvalds 已提交
472 473 474 475 476
	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
477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493
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
494
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
495 496 497 498 499
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
500 501 502 503 504 505 506 507
	#
	# 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
508 509 510 511 512 513
	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
514
config SGI_IP32
515
	bool "SGI IP32 (O2)"
L
Linus Torvalds 已提交
516 517 518
	select ARC
	select ARC32
	select BOOT_ELF32
519
	select CEVT_R4K
520
	select CSRC_R4K
L
Linus Torvalds 已提交
521 522
	select DMA_NONCOHERENT
	select HW_HAS_PCI
523
	select IRQ_CPU
L
Linus Torvalds 已提交
524 525
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
526 527 528
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
529
	select SYS_HAS_CPU_NEVADA
530
	select SYS_SUPPORTS_64BIT_KERNEL
531 532
	select SYS_SUPPORTS_BIG_ENDIAN
	help
533
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
534

535 536 537
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
A
Andrew Isaacson 已提交
538 539
	select BOOT_ELF32
	select DMA_COHERENT
540
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
541
	select SWAP_IO_SPACE
542
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
543 544 545
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

546 547 548
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
549
	select BOOT_ELF32
L
Linus Torvalds 已提交
550
	select DMA_COHERENT
551
	select SIBYTE_BCM1120
552
	select SWAP_IO_SPACE
553
	select SYS_HAS_CPU_SB1
554
	select SYS_SUPPORTS_BIG_ENDIAN
555
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
556

557 558
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
559 560 561
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
562
	select SIBYTE_BCM1125
563
	select SWAP_IO_SPACE
564
	select SYS_HAS_CPU_SB1
565
	select SYS_SUPPORTS_BIG_ENDIAN
566
	select SYS_SUPPORTS_HIGHMEM
567
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
568

569
config SIBYTE_RHONE
570
	bool "Sibyte BCM91125E-Rhone"
571 572 573 574 575
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
576
	select SYS_HAS_CPU_SB1
577 578
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
579

580 581
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
582
	select BOOT_ELF32
P
Pete Popov 已提交
583
	select DMA_COHERENT
584
	select HAVE_PATA_PLATFORM
585 586
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
587
	select SWAP_IO_SPACE
588
	select SYS_HAS_CPU_SB1
589
	select SYS_SUPPORTS_BIG_ENDIAN
590
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
591
	select SYS_SUPPORTS_LITTLE_ENDIAN
592
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
593

594 595
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
596 597 598
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
599
	select HAVE_PATA_PLATFORM
600
	select NR_CPUS_DEFAULT_2
601 602
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
603
	select SYS_HAS_CPU_SB1
604 605 606
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
607

608 609
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
610 611 612
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
613
	select NR_CPUS_DEFAULT_2
614 615
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
616
	select SYS_HAS_CPU_SB1
617 618
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
619

620 621
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
622 623
	select BOOT_ELF32
	select DMA_COHERENT
624 625
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
626
	select SWAP_IO_SPACE
627
	select SYS_HAS_CPU_SB1
628
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
629
	select SYS_SUPPORTS_HIGHMEM
630
	select SYS_SUPPORTS_LITTLE_ENDIAN
631
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
632

633 634
config SNI_RM
	bool "SNI RM200/300/400"
635 636
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
637
	select SNIPROM if CPU_BIG_ENDIAN
638
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
639
	select BOOT_ELF32
640
	select CEVT_R4K
641
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
642
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
643 644
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
645
	select HAVE_PCSPKR_PLATFORM
646
	select HW_HAS_EISA
L
Linus Torvalds 已提交
647
	select HW_HAS_PCI
648
	select IRQ_CPU
649
	select I8253
L
Linus Torvalds 已提交
650 651
	select I8259
	select ISA
652
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
653
	select SYS_HAS_CPU_R4X00
654
	select SYS_HAS_CPU_R5000
655
	select SYS_HAS_CPU_R10000
656
	select R5000_CPU_SCACHE
657
	select SYS_HAS_EARLY_PRINTK
658 659
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
660
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
661
	select SYS_SUPPORTS_HIGHMEM
662
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
663
	help
664 665
	  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
666 667 668
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

669 670
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
671

672 673
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
674

675 676 677 678 679 680 681 682 683 684 685 686
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
687
	select ARCH_REQUIRE_GPIOLIB
688 689 690 691
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

692 693
config WR_PPMC
	bool "Wind River PPMC board"
694
	select CEVT_R4K
695
	select CSRC_R4K
696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
	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.

715
config CAVIUM_OCTEON_SIMULATOR
716
	bool "Cavium Networks Octeon Simulator"
717 718 719 720 721
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
722
	select SYS_SUPPORTS_HOTPLUG_CPU
723
	select SYS_HAS_CPU_CAVIUM_OCTEON
724
	select HOLES_IN_ZONE
725 726 727 728 729 730
	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
731
	bool "Cavium Networks Octeon reference board"
732 733 734 735 736
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
737
	select SYS_SUPPORTS_HOTPLUG_CPU
738
	select SYS_HAS_EARLY_PRINTK
739
	select SYS_HAS_CPU_CAVIUM_OCTEON
740
	select SWAP_IO_SPACE
741 742
	select HW_HAS_PCI
	select ARCH_SUPPORTS_MSI
D
David Daney 已提交
743
	select ZONE_DMA32
744 745
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
746
	select HOLES_IN_ZONE
747 748 749 750 751 752 753 754 755 756 757 758 759
	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.

760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
config NLM_XLR_BOARD
	bool "Netlogic XLR/XLS based systems"
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLR
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select 64BIT_PHYS_ADDR
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
779
	select ARCH_SUPPORTS_MSI
780 781 782 783 784 785 786
	select ZONE_DMA if 64BIT
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select 64BIT_PHYS_ADDR
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select ZONE_DMA if 64BIT
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

814
endchoice
L
Linus Torvalds 已提交
815

R
Ralf Baechle 已提交
816
source "arch/mips/alchemy/Kconfig"
817
source "arch/mips/ath79/Kconfig"
818
source "arch/mips/bcm47xx/Kconfig"
819
source "arch/mips/bcm63xx/Kconfig"
820
source "arch/mips/jazz/Kconfig"
821
source "arch/mips/jz4740/Kconfig"
822
source "arch/mips/lantiq/Kconfig"
823
source "arch/mips/lasat/Kconfig"
824
source "arch/mips/pmc-sierra/Kconfig"
825
source "arch/mips/powertv/Kconfig"
826
source "arch/mips/sgi-ip27/Kconfig"
827
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
828
source "arch/mips/txx9/Kconfig"
829
source "arch/mips/vr41xx/Kconfig"
830
source "arch/mips/cavium-octeon/Kconfig"
831
source "arch/mips/loongson/Kconfig"
832
source "arch/mips/netlogic/Kconfig"
833

834 835
endmenu

L
Linus Torvalds 已提交
836 837 838 839 840 841 842
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

843 844 845 846 847 848 849 850
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

851 852 853 854
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
855 856 857 858
config GENERIC_CALIBRATE_DELAY
	bool
	default y

859 860 861 862
config GENERIC_CLOCKEVENTS
	bool
	default y

863 864 865 866
config GENERIC_CMOS_UPDATE
	bool
	default y

867
config SCHED_OMIT_FRAME_POINTER
868 869 870
	bool
	default y

L
Linus Torvalds 已提交
871 872 873 874 875 876
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

877 878 879
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
880 881 882
config BOOT_RAW
	bool

883 884 885
config CEVT_BCM1480
	bool

886 887 888
config CEVT_DS1287
	bool

889 890 891
config CEVT_GT641XX
	bool

892 893 894
config CEVT_R4K_LIB
	bool

895
config CEVT_R4K
896
	select CEVT_R4K_LIB
897 898
	bool

899 900 901
config CEVT_SB1250
	bool

902 903 904
config CEVT_TXX9
	bool

905 906 907
config CSRC_BCM1480
	bool

908 909 910
config CSRC_IOASIC
	bool

911 912 913
config CSRC_POWERTV
	bool

914 915 916
config CSRC_R4K_LIB
	bool

917
config CSRC_R4K
918
	select CSRC_R4K_LIB
919 920
	bool

921 922 923
config CSRC_SB1250
	bool

924 925
config GPIO_TXX9
	select GENERIC_GPIO
M
Michael Buesch 已提交
926
	select ARCH_REQUIRE_GPIOLIB
927 928
	bool

929 930 931
config CFE
	bool

932 933 934
config ARCH_DMA_ADDR_T_64BIT
	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT

935
config DMA_COHERENT
L
Linus Torvalds 已提交
936 937
	bool

938 939
config DMA_NONCOHERENT
	bool
940
	select NEED_DMA_MAP_STATE
941

942
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
943 944
	bool

945
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
946 947
	bool

948
config HOTPLUG_CPU
949 950 951 952 953 954 955 956 957 958
	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
959 960
	bool

L
Linus Torvalds 已提交
961 962 963 964 965 966 967 968 969
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

970 971 972
config MIPS_NILE4
	bool

L
Linus Torvalds 已提交
973 974 975
config MIPS_DISABLE_OBSOLETE_IDE
	bool

976 977 978
config SYNC_R4K
	bool

979 980 981
config MIPS_MACHINE
	def_bool n

982 983 984
config NO_IOPORT
	def_bool n

985 986 987
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
988
	select ISA_DMA_API
989

990 991
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
992
	select GENERIC_ISA_DMA
993

994 995 996
config ISA_DMA_API
	bool

Y
Yoichi Yuasa 已提交
997 998 999
config GENERIC_GPIO
	bool

1000 1001 1002
config HOLES_IN_ZONE
	bool

1003
#
M
Matt LaPlante 已提交
1004
# Endianess selection.  Sufficiently obscure so many users don't know what to
1005 1006 1007 1008 1009
# 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
1010 1011
	help
	  Some MIPS machines can be configured for either little or big endian
1012
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
1013
	  Linux distribution.  In general there is one preferred byteorder for a
1014
	  particular system but some systems are just as commonly used in the
1015
	  one or the other endianness.
1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027

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

1028 1029 1030
config EXPORT_UASM
	bool

1031 1032 1033
config SYS_SUPPORTS_APM_EMULATION
	bool

1034 1035 1036 1037 1038
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1039

1040 1041 1042 1043 1044
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

L
Linus Torvalds 已提交
1045 1046 1047 1048 1049 1050
config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

1051 1052 1053
config IRQ_CPU_RM9K
	bool

M
Marc St-Jean 已提交
1054 1055 1056 1057 1058 1059
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1060 1061 1062
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1063 1064 1065
config IRQ_GT641XX
	bool

1066 1067 1068
config IRQ_GIC
	bool

L
Linus Torvalds 已提交
1069 1070 1071
config MIPS_BOARDS_GEN
	bool

1072
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1073 1074
	bool

M
Marc St-Jean 已提交
1075 1076 1077
config NO_EXCEPT_FILL
	bool

1078 1079 1080 1081
config MIPS_RM9122
	bool
	select SERIAL_RM9000

1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
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

1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
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

1111 1112 1113 1114 1115 1116 1117 1118
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
1119
	select SYS_HAS_CPU_MIPS32_R1
1120
	select SYS_HAS_EARLY_PRINTK
1121
	select SYS_SUPPORTS_32BIT_KERNEL
1122
	select GENERIC_GPIO
1123

L
Linus Torvalds 已提交
1124 1125 1126
config SWAP_IO_SPACE
	bool

1127 1128 1129
config SERIAL_RM9000
	bool

T
Thomas Bogendoerfer 已提交
1130 1131 1132
config SGI_HAS_INDYDOG
	bool

1133 1134 1135
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
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

1151 1152 1153
config ARC32
	bool

1154 1155 1156
config SNIPROM
	bool

L
Linus Torvalds 已提交
1157 1158 1159 1160 1161
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1162
	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1163
	default "6" if MIPS_CPU_SCACHE
1164
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1165 1166 1167 1168 1169 1170 1171
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1172
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1173 1174 1175

config ARC_MEMORY
	bool
1176
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
1177 1178 1179 1180
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
1181
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1196 1197 1198 1199
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1200 1201 1202 1203
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1204
	  It has an internal FPGA northbridge, which is compatible to
1205 1206 1207 1208 1209 1210
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1211 1212
	select GENERIC_GPIO
	select ARCH_REQUIRE_GPIOLIB
1213 1214 1215 1216 1217 1218 1219 1220
	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.

1221 1222
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1223
	depends on SYS_HAS_CPU_MIPS32_R1
1224
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1225
	select CPU_SUPPORTS_32BIT_KERNEL
1226
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1227
	help
1228
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239
	  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"
1240
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1241
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1242
	select CPU_SUPPORTS_32BIT_KERNEL
1243
	select CPU_SUPPORTS_HIGHMEM
1244
	help
1245
	  Choose this option to build a kernel for release 2 or later of the
1246 1247 1248 1249 1250 1251 1252
	  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"
1253
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1254
	select CPU_HAS_PREFETCH
1255 1256
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1257
	select CPU_SUPPORTS_HIGHMEM
1258
	select CPU_SUPPORTS_HUGEPAGES
1259 1260 1261 1262 1263 1264
	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
1265 1266 1267 1268 1269 1270 1271
	  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"
1272
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1273
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1274 1275
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1276
	select CPU_SUPPORTS_HIGHMEM
1277
	select CPU_SUPPORTS_HUGEPAGES
R
Ralf Baechle 已提交
1278 1279 1280 1281 1282 1283
	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
1284 1285 1286

config CPU_R3000
	bool "R3000"
1287
	depends on SYS_HAS_CPU_R3000
1288
	select CPU_HAS_WB
1289
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1290
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1291 1292 1293 1294 1295 1296 1297 1298 1299 1300
	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"
1301
	depends on SYS_HAS_CPU_TX39XX
1302
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1303 1304 1305

config CPU_VR41XX
	bool "R41xx"
1306
	depends on SYS_HAS_CPU_VR41XX
1307 1308
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1309
	help
1310
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1311 1312 1313 1314 1315 1316
	  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"
1317
	depends on SYS_HAS_CPU_R4300
1318 1319
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1320 1321 1322 1323 1324
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1325
	depends on SYS_HAS_CPU_R4X00
1326 1327
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1328 1329 1330 1331 1332 1333
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1334
	depends on SYS_HAS_CPU_TX49XX
A
Atsushi Nemoto 已提交
1335
	select CPU_HAS_PREFETCH
1336 1337
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1338 1339 1340

config CPU_R5000
	bool "R5000"
1341
	depends on SYS_HAS_CPU_R5000
1342 1343
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1344 1345 1346 1347 1348
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1349
	depends on SYS_HAS_CPU_R5432
1350 1351
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1352

1353 1354 1355 1356 1357
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1358
	select CPU_SUPPORTS_HUGEPAGES
1359 1360 1361 1362
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
Linus Torvalds 已提交
1363 1364
config CPU_R6000
	bool "R6000"
1365
	depends on EXPERIMENTAL
1366
	depends on SYS_HAS_CPU_R6000
1367
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1368 1369
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1370
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1371 1372 1373

config CPU_NEVADA
	bool "RM52xx"
1374
	depends on SYS_HAS_CPU_NEVADA
1375 1376
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1377 1378 1379 1380 1381
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1382
	depends on EXPERIMENTAL
1383
	depends on SYS_HAS_CPU_R8000
1384
	select CPU_HAS_PREFETCH
1385
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1386 1387 1388 1389 1390 1391
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1392
	depends on SYS_HAS_CPU_R10000
1393
	select CPU_HAS_PREFETCH
1394 1395
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1396
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1397 1398 1399 1400 1401
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1402
	depends on SYS_HAS_CPU_RM7000
1403
	select CPU_HAS_PREFETCH
1404 1405
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1406
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1407 1408 1409

config CPU_RM9000
	bool "RM9000"
1410
	depends on SYS_HAS_CPU_RM9000
1411
	select CPU_HAS_PREFETCH
1412 1413
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1414
	select CPU_SUPPORTS_HIGHMEM
1415
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1416 1417 1418

config CPU_SB1
	bool "SB1"
1419
	depends on SYS_HAS_CPU_SB1
1420 1421
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1422
	select CPU_SUPPORTS_HIGHMEM
1423
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1424

1425 1426
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1427
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1428 1429 1430 1431 1432 1433
	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
1434
	select CPU_SUPPORTS_HUGEPAGES
1435 1436 1437 1438 1439 1440
	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.

1441 1442 1443
config CPU_BMIPS3300
	bool "BMIPS3300"
	depends on SYS_HAS_CPU_BMIPS3300
1444
	select CPU_BMIPS
1445 1446 1447 1448 1449 1450
	help
	  Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
	bool "BMIPS4350"
	depends on SYS_HAS_CPU_BMIPS4350
1451
	select CPU_BMIPS
1452 1453 1454 1455 1456 1457 1458 1459
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS4350 ("VIPER") processors.

config CPU_BMIPS4380
	bool "BMIPS4380"
	depends on SYS_HAS_CPU_BMIPS4380
1460
	select CPU_BMIPS
1461 1462 1463 1464 1465 1466 1467 1468
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
	bool "BMIPS5000"
	depends on SYS_HAS_CPU_BMIPS5000
1469
	select CPU_BMIPS
1470
	select CPU_SUPPORTS_HIGHMEM
1471
	select MIPS_CPU_SCACHE
1472 1473 1474 1475 1476
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS5000 processors.

1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487
config CPU_XLR
	bool "Netlogic XLR SoC"
	depends on SYS_HAS_CPU_XLR
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_SUPPORTS_HUGEPAGES
	help
	  Netlogic Microsystems XLR/XLS processors.
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500

config CPU_XLP
	bool "Netlogic XLP SoC"
	depends on SYS_HAS_CPU_XLP
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_HAS_LLSC
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_HAS_PREFETCH
	help
	  Netlogic Microsystems XLP processors.
L
Linus Torvalds 已提交
1501 1502
endchoice

1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
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

1530 1531 1532 1533 1534
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
1535
	select HAVE_KERNEL_LZO
1536 1537 1538 1539 1540

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1541 1542 1543 1544 1545 1546
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM

1547 1548 1549 1550 1551 1552 1553 1554 1555
config CPU_BMIPS
	bool
	select CPU_MIPS32
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select WEAK_ORDERING

1556
config SYS_HAS_CPU_LOONGSON2E
1557 1558
	bool

1559 1560
config SYS_HAS_CPU_LOONGSON2F
	bool
1561 1562
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1563
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1564

1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600
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

1601 1602 1603
config SYS_HAS_CPU_R5500
	bool

1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624
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

1625 1626 1627
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
config SYS_HAS_CPU_BMIPS3300
	bool

config SYS_HAS_CPU_BMIPS4350
	bool

config SYS_HAS_CPU_BMIPS4380
	bool

config SYS_HAS_CPU_BMIPS5000
	bool

1640 1641 1642
config SYS_HAS_CPU_XLR
	bool

1643 1644 1645
config SYS_HAS_CPU_XLP
	bool

1646 1647 1648 1649
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1650 1651
config WEAK_ORDERING
	bool
1652 1653 1654 1655 1656 1657 1658

#
# 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
1659 1660 1661
endmenu

#
C
Chris Dearman 已提交
1662
# These two indicate any level of the MIPS32 and MIPS64 architecture
1663 1664 1665 1666 1667 1668 1669 1670 1671 1672
#
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
1673
# These two indicate the revision of the architecture, either Release 1 or Release 2
1674 1675 1676 1677 1678 1679 1680
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1681
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1682 1683 1684 1685 1686 1687 1688 1689 1690

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1691 1692 1693 1694
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1695 1696
config CPU_SUPPORTS_HUGEPAGES
	bool
1697 1698
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1699 1700 1701
config MIPS_PGD_C0_CONTEXT
	bool
	default y if 64BIT && CPU_MIPSR2
1702

1703 1704 1705 1706 1707
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1708
       default y if CPU_MIPSR1 || CPU_MIPSR2
1709

1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729
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
1730
	select HAVE_SYSCALL_WRAPPERS
1731 1732 1733 1734 1735
	help
	  Select this option if you want to build a 64-bit kernel.

endchoice

L
Linus Torvalds 已提交
1736 1737 1738 1739 1740 1741
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
W
Wu Zhangjin 已提交
1742
	depends on !CPU_LOONGSON2
L
Linus Torvalds 已提交
1743 1744 1745 1746 1747 1748 1749 1750
	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"
1751
	depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1752 1753 1754
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
1755 1756
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
L
Linus Torvalds 已提交
1757 1758 1759

config PAGE_SIZE_16KB
	bool "16kB"
1760
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1761 1762 1763
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1764 1765
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1766

1767 1768 1769 1770 1771 1772 1773 1774 1775
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
1776 1777 1778 1779 1780 1781 1782
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
1783
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1784 1785 1786

endchoice

1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808
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
1809 1810 1811 1812 1813 1814 1815
config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1816 1817 1818 1819 1820 1821 1822
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839
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
1840
	bool
L
Linus Torvalds 已提交
1841

R
Ralf Baechle 已提交
1842 1843
choice
	prompt "MIPS MT options"
1844 1845 1846 1847 1848 1849 1850 1851

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
1852

R
Ralf Baechle 已提交
1853 1854
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1855
	depends on SYS_SUPPORTS_MULTITHREADING
1856
	select CPU_MIPSR2_IRQ_VI
1857
	select CPU_MIPSR2_IRQ_EI
1858
	select MIPS_MT
1859
	select NR_CPUS_DEFAULT_2
1860
	select SMP
1861
	select SYS_SUPPORTS_SCHED_SMT if SMP
1862
	select SYS_SUPPORTS_SMP
1863
	select SMP_UP
1864
	help
1865 1866 1867 1868 1869 1870 1871 1872 1873 1874
	  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
1875

R
Ralf Baechle 已提交
1876 1877 1878 1879
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 ...
1880 1881
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1882
	select CPU_MIPSR2_IRQ_EI
1883
	select MIPS_MT
1884
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1885
	select SMP
1886
	select SYS_SUPPORTS_SMP
1887
	select SMP_UP
1888
	help
R
Ralf Baechle 已提交
1889 1890
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
1891 1892 1893 1894 1895 1896 1897 1898
	  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
1899 1900 1901

endchoice

1902 1903 1904
config MIPS_MT
	bool

1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917
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


1918 1919 1920
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1921 1922 1923
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
	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
1935

1936 1937 1938
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1939
	default n
1940 1941 1942 1943 1944 1945
	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
1946
	  impact on interrupt service overhead.
1947

1948 1949 1950 1951 1952 1953 1954 1955
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
1956 1957
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1958

1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970
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
1971 1972 1973
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1974

1975 1976 1977 1978 1979 1980 1981 1982 1983 1984
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.

1985 1986 1987
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SYS_SUPPORTS_MIPS_CMP
1988
	select SYNC_R4K
1989 1990 1991 1992 1993 1994 1995 1996
	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
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
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
2013
	bool
L
Linus Torvalds 已提交
2014

2015 2016 2017
config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
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
2030
config CPU_HAS_WB
2031
	bool
2032

2033 2034 2035
config XKS01
	bool

2036 2037 2038
#
# Vectored interrupt mode is an R2 feature
#
2039
config CPU_MIPSR2_IRQ_VI
2040
	bool
2041

2042 2043 2044
#
# Extended interrupt mode is an R2 feature
#
2045
config CPU_MIPSR2_IRQ_EI
2046
	bool
2047

L
Linus Torvalds 已提交
2048 2049 2050 2051 2052
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

R
Ralf Baechle 已提交
2053 2054 2055
config GENERIC_CLOCKEVENTS_BROADCAST
	bool

2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068
#
# 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
2069 2070 2071 2072 2073 2074 2075 2076 2077
#
# - 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
2078 2079 2080
# - 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
2081 2082 2083
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
2084 2085 2086 2087 2088 2089 2090
	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
2091

2092 2093 2094
config SYS_SUPPORTS_SMARTMIPS
	bool

2095 2096
config ARCH_FLATMEM_ENABLE
	def_bool y
2097
	depends on !NUMA && !CPU_LOONGSON2
2098

2099 2100 2101 2102
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2103
	  Say Y to support efficient handling of discontiguous physical memory,
2104 2105 2106 2107
	  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.

2108 2109
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
2110
	select SPARSEMEM_STATIC
2111

2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124
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
2125 2126 2127 2128 2129
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2130 2131
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2132
	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
2133 2134 2135 2136 2137
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2138 2139
source "mm/Kconfig"

L
Linus Torvalds 已提交
2140 2141
config SMP
	bool "Multi-Processing support"
2142
	depends on SYS_SUPPORTS_SMP
2143
	select IRQ_PER_CPU
2144
	select USE_GENERIC_SMP_HELPERS
2145
	help
L
Linus Torvalds 已提交
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158
	  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
2159 2160
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
2161 2162 2163

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

2164 2165 2166
config SMP_UP
	bool

2167 2168 2169
config SYS_SUPPORTS_MIPS_CMP
	bool

2170 2171 2172
config SYS_SUPPORTS_SMP
	bool

2173 2174 2175
config NR_CPUS_DEFAULT_1
	bool

2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193
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
2194 2195
config NR_CPUS
	int "Maximum number of CPUs (2-64)"
2196
	range 1 64 if NR_CPUS_DEFAULT_1
L
Linus Torvalds 已提交
2197
	depends on SMP
2198
	default "1" if NR_CPUS_DEFAULT_1
2199 2200 2201 2202 2203 2204
	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
2205 2206 2207 2208
	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
2209 2210
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
2211 2212

	  This is purely to save memory - each supported CPU adds
2213 2214 2215
	  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
2216

2217 2218
source "kernel/time/Kconfig"

2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2230
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289

	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
2290
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
2291

2292 2293 2294 2295 2296 2297
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
2298
	  but it is independent of the system firmware.   And like a reboot
2299 2300
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
2301
	  The name comes from the similarity to the exec system call.
2302 2303 2304 2305 2306 2307 2308 2309 2310

	  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"
2311
	depends on PROC_FS
2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325
	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.

2326 2327 2328
config USE_OF
	bool "Flattened Device Tree support"
	select OF
2329
	select OF_EARLY_FLATTREE
2330
	select IRQ_DOMAIN
2331 2332 2333
	help
	  Include support for flattened device tree machine descriptions.

2334 2335
endmenu

2336 2337 2338 2339 2340 2341 2342 2343
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2344 2345
source "init/Kconfig"

2346 2347
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
2348 2349
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

2350 2351
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
2352 2353 2354 2355 2356 2357
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2358
	select PCI_DOMAINS
2359
	select GENERIC_PCI_IOMAP
2360
	select NO_GENERIC_PCI_IOPORT_MAP
L
Linus Torvalds 已提交
2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381
	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"
2382
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
2383
	select ISA
2384
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403
	---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
2404 2405 2406 2407 2408 2409 2410 2411
	  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
2412 2413 2414 2415 2416

config MMU
	bool
	default y

2417 2418
config I8253
	bool
2419
	select CLKSRC_I8253
2420
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
2421
	select MIPS_EXTERNAL_TIMER
2422

2423 2424 2425
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
2426 2427 2428 2429
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2430 2431 2432 2433 2434 2435 2436 2437 2438 2439
config RAPIDIO
	bool "RapidIO support"
	depends on PCI
	default n
	help
	  If you say Y here, the kernel will include drivers and
	  infrastructure code to support RapidIO interconnect devices.

source "drivers/rapidio/Kconfig"

L
Linus Torvalds 已提交
2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450
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"
2451
	depends on 64BIT
L
Linus Torvalds 已提交
2452 2453 2454 2455 2456 2457 2458 2459
	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
2460
	select ARCH_WANT_OLD_COMPAT_IPC
L
Linus Torvalds 已提交
2461 2462
	default y

2463 2464 2465 2466 2467
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492
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

2493 2494 2495 2496
endmenu

menu "Power management options"

W
Wu Zhangjin 已提交
2497 2498
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2499
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
2500

J
Johannes Berg 已提交
2501 2502
config ARCH_SUSPEND_POSSIBLE
	def_bool y
2503
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
2504

2505
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2506

L
Linus Torvalds 已提交
2507 2508
endmenu

W
Wu Zhangjin 已提交
2509 2510
source "arch/mips/kernel/cpufreq/Kconfig"

2511 2512
source "net/Kconfig"

L
Linus Torvalds 已提交
2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"