Kconfig 62.0 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
config MIPS
	bool
	default y
4
	select HAVE_CONTEXT_TRACKING
5
	select HAVE_GENERIC_DMA_COHERENT
S
Sam Ravnborg 已提交
6
	select HAVE_IDE
M
Mathieu Desnoyers 已提交
7
	select HAVE_OPROFILE
8 9
	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
10
	select HAVE_ARCH_KGDB
11
	select ARCH_HAVE_CUSTOM_GPIO_H
12
	select HAVE_FUNCTION_TRACER
13
	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
14 15
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
16
	select HAVE_C_RECORDMCOUNT
17
	select HAVE_FUNCTION_GRAPH_TRACER
D
David Daney 已提交
18 19
	select HAVE_KPROBES
	select HAVE_KRETPROBES
20
	select HAVE_DEBUG_KMEMLEAK
D
David Daney 已提交
21
	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
22
	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
23
	select RTC_LIB if !MACH_LOONGSON
24
	select GENERIC_ATOMIC64 if !64BIT
25
	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
26 27
	select HAVE_DMA_ATTRS
	select HAVE_DMA_API_DEBUG
28 29
	select HAVE_GENERIC_HARDIRQS
	select GENERIC_IRQ_PROBE
30
	select GENERIC_IRQ_SHOW
31
	select HAVE_ARCH_JUMP_LABEL
32
	select ARCH_WANT_IPC_PARSE_VERSION
33
	select IRQ_FORCED_THREADING
T
Tejun Heo 已提交
34 35 36
	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP
	select ARCH_DISCARD_MEMBLOCK
37
	select GENERIC_SMP_IDLE_THREAD
38
	select BUILDTIME_EXTABLE_SORT
39 40
	select GENERIC_CLOCKEVENTS
	select GENERIC_CMOS_UPDATE
41
	select HAVE_MOD_ARCH_SPECIFIC
42
	select VIRT_TO_BUS
43 44
	select MODULES_USE_ELF_REL if MODULES
	select MODULES_USE_ELF_RELA if MODULES && 64BIT
45
	select CLONE_BACKWARDS
L
Linus Torvalds 已提交
46 47 48

menu "Machine selection"

49 50 51
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
52

53
config MIPS_ALCHEMY
54
	bool "Alchemy processor based machines"
55
	select 64BIT_PHYS_ADDR
56
	select CEVT_R4K
57
	select CSRC_R4K
58 59 60 61
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
62
	select ARCH_REQUIRE_GPIOLIB
63
	select SYS_SUPPORTS_ZBOOT
64 65
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
L
Linus Torvalds 已提交
66

67 68 69 70 71 72 73 74 75 76 77 78 79
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
80
	select SYS_SUPPORTS_ZBOOT_UART16550
F
Florian Fainelli 已提交
81
	select ARCH_REQUIRE_GPIOLIB
82
	select VLYNQ
83
	select HAVE_CLK
84 85 86 87
	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

88 89
config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
G
Gabor Juhos 已提交
90
	select ARCH_REQUIRE_GPIOLIB
91 92 93 94
	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
G
Gabor Juhos 已提交
95
	select HAVE_CLK
96
	select IRQ_CPU
97
	select MIPS_MACHINE
98 99 100 101 102 103 104
	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.

105
config BCM47XX
106
	bool "Broadcom BCM47XX based boards"
H
Hauke Mehrtens 已提交
107
	select ARCH_WANT_OPTIONAL_GPIOLIB
H
Hauke Mehrtens 已提交
108
	select BOOT_RAW
109
	select CEVT_R4K
110
	select CSRC_R4K
111
	select DMA_NONCOHERENT
112
	select FW_CFE
113 114
	select HW_HAS_PCI
	select IRQ_CPU
115
	select NO_EXCEPT_FILL
116 117
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
A
Aurelien Jarno 已提交
118
	select SYS_HAS_EARLY_PRINTK
119 120 121
	help
	 Support for BCM47XX based boards

122 123 124 125 126 127 128
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
129 130
	select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
	select NR_CPUS_DEFAULT_2
131 132 133 134 135
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
136
	select HAVE_CLK
137 138 139
	help
	 Support for BCM63XX based boards

L
Linus Torvalds 已提交
140
config MIPS_COBALT
141
	bool "Cobalt Server"
142
	select CEVT_R4K
143
	select CSRC_R4K
144
	select CEVT_GT641XX
L
Linus Torvalds 已提交
145 146
	select DMA_NONCOHERENT
	select HW_HAS_PCI
147
	select I8253
L
Linus Torvalds 已提交
148 149
	select I8259
	select IRQ_CPU
Y
Yoichi Yuasa 已提交
150
	select IRQ_GT641XX
151
	select PCI_GT64XXX_PCI0
152
	select PCI
153
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
154
	select SYS_HAS_EARLY_PRINTK
155
	select SYS_SUPPORTS_32BIT_KERNEL
156
	select SYS_SUPPORTS_64BIT_KERNEL
157
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
158 159

config MACH_DECSTATION
160
	bool "DECstations"
L
Linus Torvalds 已提交
161
	select BOOT_ELF32
162
	select CEVT_DS1287
163
	select CEVT_R4K
164
	select CSRC_IOASIC
165
	select CSRC_R4K
166 167 168
	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
L
Linus Torvalds 已提交
169
	select DMA_NONCOHERENT
170
	select NO_IOPORT
L
Linus Torvalds 已提交
171
	select IRQ_CPU
172 173
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
174
	select SYS_SUPPORTS_32BIT_KERNEL
175
	select SYS_SUPPORTS_64BIT_KERNEL
176
	select SYS_SUPPORTS_LITTLE_ENDIAN
177 178 179
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
180
	help
L
Linus Torvalds 已提交
181 182 183 184 185 186 187
	  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:

188 189 190 191
		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
L
Linus Torvalds 已提交
192 193 194

	  otherwise choose R3000.

195
config MACH_JAZZ
196
	bool "Jazz family of machines"
197 198
	select FW_ARC
	select FW_ARC32
199
	select ARCH_MAY_HAVE_PC_FDC
200
	select CEVT_R4K
201
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
202
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
203
	select GENERIC_ISA_DMA
204
	select HAVE_PCSPKR_PLATFORM
T
Thomas Bogendoerfer 已提交
205
	select IRQ_CPU
206
	select I8253
207 208
	select I8259
	select ISA
209
	select SYS_HAS_CPU_R4X00
210
	select SYS_SUPPORTS_32BIT_KERNEL
211
	select SYS_SUPPORTS_64BIT_KERNEL
212
	select SYS_SUPPORTS_100HZ
L
Linus Torvalds 已提交
213
	help
214 215
	 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.
216
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
217 218
	 Olivetti M700-10 workstations.

219 220 221 222 223
config MACH_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
224
	select SYS_SUPPORTS_ZBOOT_UART16550
225 226 227 228 229
	select DMA_NONCOHERENT
	select IRQ_CPU
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
	select HAVE_PWM
M
Maurus Cuelenaere 已提交
230
	select HAVE_CLK
231
	select GENERIC_IRQ_CHIP
232

233 234 235 236 237 238 239 240 241 242 243 244 245 246 247
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
248 249
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
250
	select USE_OF
251 252
	select PINCTRL
	select PINCTRL_LANTIQ
253

254 255
config LASAT
	bool "LASAT Networks platforms"
256
	select CEVT_R4K
257
	select CSRC_R4K
258 259 260
	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
261
	select IRQ_CPU
262 263 264 265 266 267 268 269
	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

270 271
config MACH_LOONGSON
	bool "Loongson family of machines"
272
	select SYS_SUPPORTS_ZBOOT
273
	help
274 275 276 277 278 279
	  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.
280

281 282 283 284 285 286 287 288 289 290
config MACH_LOONGSON1
	bool "Loongson 1 family of machines"
	select SYS_SUPPORTS_ZBOOT
	help
	  This enables support for the Loongson 1 based machines.

	  Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
	  the ICT (Institute of Computing Technology) and the Chinese Academy
	  of Sciences.

L
Linus Torvalds 已提交
291
config MIPS_MALTA
292
	bool "MIPS Malta board"
293
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
294
	select BOOT_ELF32
295
	select BOOT_RAW
296
	select CEVT_R4K
297
	select CSRC_R4K
S
Steven J. Hill 已提交
298
	select CSRC_GIC
L
Linus Torvalds 已提交
299 300
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
301
	select HAVE_PCSPKR_PLATFORM
302
	select IRQ_CPU
303
	select IRQ_GIC
L
Linus Torvalds 已提交
304
	select HW_HAS_PCI
305
	select I8253
L
Linus Torvalds 已提交
306
	select I8259
307
	select MIPS_BONITO64
308
	select MIPS_CPU_SCACHE
309
	select PCI_GT64XXX_PCI0
310
	select MIPS_MSC
L
Linus Torvalds 已提交
311
	select SWAP_IO_SPACE
312 313 314
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
315
	select SYS_HAS_CPU_MIPS64_R2
316 317
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
318
	select SYS_HAS_EARLY_PRINTK
319 320
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
321 322
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
T
Tim Anderson 已提交
323
	select SYS_SUPPORTS_MIPS_CMP
324
	select SYS_SUPPORTS_MULTITHREADING
325
	select SYS_SUPPORTS_SMARTMIPS
326
	select SYS_SUPPORTS_ZBOOT
L
Linus Torvalds 已提交
327
	help
328
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
329 330
	  board.

331 332 333 334 335 336
config MIPS_SEAD3
	bool "MIPS SEAD3 board"
	select BOOT_ELF32
	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
337
	select CSRC_GIC
338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select DMA_NONCOHERENT
	select IRQ_CPU
	select IRQ_GIC
	select MIPS_CPU_SCACHE
	select MIPS_MSC
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_SMARTMIPS
354
	select SYS_SUPPORTS_MICROMIPS
355 356 357
	select USB_ARCH_HAS_EHCI
	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
358
	select USE_OF
359 360 361 362
	help
	  This enables support for the MIPS Technologies SEAD3 evaluation
	  board.

363 364 365 366 367 368
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.
369

370
config MACH_VR41XX
371
	bool "NEC VR4100 series based machines"
372
	select CEVT_R4K
373
	select CSRC_R4K
374
	select SYS_HAS_CPU_VR41XX
375
	select ARCH_REQUIRE_GPIOLIB
376

377 378 379 380 381 382 383 384 385 386 387 388 389
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.

M
Marc St-Jean 已提交
390 391
config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
392 393
	select CEVT_R4K
	select CSRC_R4K
M
Marc St-Jean 已提交
394 395 396 397 398 399 400 401 402 403 404
	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
405 406
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
M
Marc St-Jean 已提交
407 408 409 410 411 412
	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.

413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430
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.

J
John Crispin 已提交
431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
	select IRQ_CPU
	select USE_OF
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP

L
Linus Torvalds 已提交
447
config SGI_IP22
448
	bool "SGI IP22 (Indy/Indigo2)"
449 450
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
451
	select BOOT_ELF32
452
	select CEVT_R4K
453
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
454
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
455
	select DMA_NONCOHERENT
456
	select HW_HAS_EISA
457
	select I8253
458
	select I8259
L
Linus Torvalds 已提交
459 460
	select IP22_CPU_SCACHE
	select IRQ_CPU
461
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
462 463
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
464
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
465 466 467
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
468
	select SWAP_IO_SPACE
469 470
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
471 472 473 474 475 476 477 478
	#
	# 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
479 480
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
481
	select SYS_SUPPORTS_BIG_ENDIAN
L
Linus Torvalds 已提交
482 483 484 485 486 487
	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
488
	bool "SGI IP27 (Origin200/2000)"
489 490
	select FW_ARC
	select FW_ARC64
491
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
492
	select DEFAULT_SGI_PARTITION
493
	select DMA_COHERENT
494
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
495
	select HW_HAS_PCI
496
	select NR_CPUS_DEFAULT_64
497
	select SYS_HAS_CPU_R10000
498
	select SYS_SUPPORTS_64BIT_KERNEL
499
	select SYS_SUPPORTS_BIG_ENDIAN
500
	select SYS_SUPPORTS_NUMA
501
	select SYS_SUPPORTS_SMP
L
Linus Torvalds 已提交
502 503 504 505 506
	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
507
config SGI_IP28
508
	bool "SGI IP28 (Indigo2 R10k)"
509 510
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
511 512 513 514 515 516 517 518 519 520 521 522
	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
523
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
524 525 526 527 528
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
529 530 531 532 533 534 535 536
	#
	# 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
537 538 539 540 541 542
	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
543
config SGI_IP32
544
	bool "SGI IP32 (O2)"
545 546
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
547
	select BOOT_ELF32
548
	select CEVT_R4K
549
	select CSRC_R4K
L
Linus Torvalds 已提交
550 551
	select DMA_NONCOHERENT
	select HW_HAS_PCI
552
	select IRQ_CPU
L
Linus Torvalds 已提交
553 554
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
555 556 557
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
558
	select SYS_HAS_CPU_NEVADA
559
	select SYS_SUPPORTS_64BIT_KERNEL
560 561
	select SYS_SUPPORTS_BIG_ENDIAN
	help
562
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
563

564 565
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
566 567
	select BOOT_ELF32
	select DMA_COHERENT
568
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
569
	select SWAP_IO_SPACE
570
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
571 572 573
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

574 575
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
576
	select BOOT_ELF32
L
Linus Torvalds 已提交
577
	select DMA_COHERENT
578
	select SIBYTE_BCM1120
579
	select SWAP_IO_SPACE
580
	select SYS_HAS_CPU_SB1
581
	select SYS_SUPPORTS_BIG_ENDIAN
582
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
583

584 585
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
586 587
	select BOOT_ELF32
	select DMA_COHERENT
588
	select SIBYTE_BCM1125
589
	select SWAP_IO_SPACE
590
	select SYS_HAS_CPU_SB1
591
	select SYS_SUPPORTS_BIG_ENDIAN
592
	select SYS_SUPPORTS_HIGHMEM
593
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
594

595
config SIBYTE_RHONE
596
	bool "Sibyte BCM91125E-Rhone"
597 598 599 600
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
601
	select SYS_HAS_CPU_SB1
602 603
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
604

605 606
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
607
	select BOOT_ELF32
P
Pete Popov 已提交
608
	select DMA_COHERENT
609
	select HAVE_PATA_PLATFORM
610 611
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
612
	select SWAP_IO_SPACE
613
	select SYS_HAS_CPU_SB1
614
	select SYS_SUPPORTS_BIG_ENDIAN
615
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
616
	select SYS_SUPPORTS_LITTLE_ENDIAN
617
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
618

619 620
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
621 622
	select BOOT_ELF32
	select DMA_COHERENT
623
	select HAVE_PATA_PLATFORM
624
	select NR_CPUS_DEFAULT_2
625 626
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
627
	select SYS_HAS_CPU_SB1
628 629 630
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
631

632 633
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
634 635
	select BOOT_ELF32
	select DMA_COHERENT
636
	select NR_CPUS_DEFAULT_2
637 638
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
639
	select SYS_HAS_CPU_SB1
640 641
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
642

643 644
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
645 646
	select BOOT_ELF32
	select DMA_COHERENT
647 648
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
649
	select SWAP_IO_SPACE
650
	select SYS_HAS_CPU_SB1
651
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
652
	select SYS_SUPPORTS_HIGHMEM
653
	select SYS_SUPPORTS_LITTLE_ENDIAN
654
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
655

656 657
config SNI_RM
	bool "SNI RM200/300/400"
658 659
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
660
	select FW_SNIPROM if CPU_BIG_ENDIAN
661
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
662
	select BOOT_ELF32
663
	select CEVT_R4K
664
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
665
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
666 667
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
668
	select HAVE_PCSPKR_PLATFORM
669
	select HW_HAS_EISA
L
Linus Torvalds 已提交
670
	select HW_HAS_PCI
671
	select IRQ_CPU
672
	select I8253
L
Linus Torvalds 已提交
673 674
	select I8259
	select ISA
675
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
676
	select SYS_HAS_CPU_R4X00
677
	select SYS_HAS_CPU_R5000
678
	select SYS_HAS_CPU_R10000
679
	select R5000_CPU_SCACHE
680
	select SYS_HAS_EARLY_PRINTK
681
	select SYS_SUPPORTS_32BIT_KERNEL
682
	select SYS_SUPPORTS_64BIT_KERNEL
683
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
684
	select SYS_SUPPORTS_HIGHMEM
685
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
686
	help
687 688
	  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
689 690 691
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

692 693
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
694

695 696
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
697

698 699 700 701 702 703 704 705 706 707 708 709
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
710
	select ARCH_REQUIRE_GPIOLIB
711 712 713 714
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

715 716
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
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
R
Ralf Baechle 已提交
722
	select EDAC_SUPPORT
723
	select SYS_SUPPORTS_HOTPLUG_CPU
724
	select SYS_HAS_EARLY_PRINTK
725
	select SYS_HAS_CPU_CAVIUM_OCTEON
726
	select SWAP_IO_SPACE
727 728
	select HW_HAS_PCI
	select ARCH_SUPPORTS_MSI
D
David Daney 已提交
729
	select ZONE_DMA32
730 731
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
732
	select HOLES_IN_ZONE
733 734 735 736 737 738 739 740 741 742 743 744 745
	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.

746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763
config NLM_XLR_BOARD
	bool "Netlogic XLR/XLS based systems"
	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
764
	select ARCH_SUPPORTS_MSI
765
	select ZONE_DMA32 if 64BIT
766 767
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
768 769
	select USB_ARCH_HAS_OHCI if USB_SUPPORT
	select USB_ARCH_HAS_EHCI if USB_SUPPORT
770 771
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
772 773 774 775
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	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
794
	select ZONE_DMA32 if 64BIT
795 796
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
797
	select USE_OF
798 799
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
800 801 802 803
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

804
endchoice
L
Linus Torvalds 已提交
805

R
Ralf Baechle 已提交
806
source "arch/mips/alchemy/Kconfig"
807
source "arch/mips/ath79/Kconfig"
808
source "arch/mips/bcm47xx/Kconfig"
809
source "arch/mips/bcm63xx/Kconfig"
810
source "arch/mips/jazz/Kconfig"
811
source "arch/mips/jz4740/Kconfig"
812
source "arch/mips/lantiq/Kconfig"
813
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
814
source "arch/mips/pmcs-msp71xx/Kconfig"
815
source "arch/mips/powertv/Kconfig"
J
John Crispin 已提交
816
source "arch/mips/ralink/Kconfig"
817
source "arch/mips/sgi-ip27/Kconfig"
818
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
819
source "arch/mips/txx9/Kconfig"
820
source "arch/mips/vr41xx/Kconfig"
821
source "arch/mips/cavium-octeon/Kconfig"
822
source "arch/mips/loongson/Kconfig"
823
source "arch/mips/loongson1/Kconfig"
824
source "arch/mips/netlogic/Kconfig"
825

826 827
endmenu

L
Linus Torvalds 已提交
828 829 830 831 832 833 834
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

835 836 837 838 839 840 841 842
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

843 844 845 846
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
847 848 849 850
config GENERIC_CALIBRATE_DELAY
	bool
	default y

851
config SCHED_OMIT_FRAME_POINTER
852 853 854
	bool
	default y

L
Linus Torvalds 已提交
855 856 857
#
# Select some configuration options automatically based on user selections.
#
858
config FW_ARC
L
Linus Torvalds 已提交
859 860
	bool

861 862 863
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
864 865 866
config BOOT_RAW
	bool

867 868 869
config CEVT_BCM1480
	bool

870 871 872
config CEVT_DS1287
	bool

873 874 875
config CEVT_GT641XX
	bool

876 877 878
config CEVT_R4K
	bool

879 880 881
config CEVT_GIC
	bool

882 883 884
config CEVT_SB1250
	bool

885 886 887
config CEVT_TXX9
	bool

888 889 890
config CSRC_BCM1480
	bool

891 892 893
config CSRC_IOASIC
	bool

894 895 896
config CSRC_POWERTV
	bool

897 898 899
config CSRC_R4K
	bool

S
Steven J. Hill 已提交
900 901 902
config CSRC_GIC
	bool

903 904 905
config CSRC_SB1250
	bool

906
config GPIO_TXX9
M
Michael Buesch 已提交
907
	select ARCH_REQUIRE_GPIOLIB
908 909
	bool

910
config FW_CFE
911 912
	bool

913 914 915
config ARCH_DMA_ADDR_T_64BIT
	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT

916
config DMA_COHERENT
L
Linus Torvalds 已提交
917 918
	bool

919 920
config DMA_NONCOHERENT
	bool
921
	select NEED_DMA_MAP_STATE
922

923
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
924 925
	bool

926
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
927 928
	bool

929
config HOTPLUG_CPU
930 931 932 933 934 935 936 937 938 939
	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
940 941
	bool

L
Linus Torvalds 已提交
942 943 944 945 946 947 948 949 950
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

951 952 953
config MIPS_NILE4
	bool

954 955 956
config SYNC_R4K
	bool

957 958 959
config MIPS_MACHINE
	def_bool n

960 961 962
config NO_IOPORT
	def_bool n

963 964 965
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
966
	select ISA_DMA_API
967

968 969
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
970
	select GENERIC_ISA_DMA
971

972 973 974
config ISA_DMA_API
	bool

975 976 977
config HOLES_IN_ZONE
	bool

978
#
M
Masanari Iida 已提交
979
# Endianness selection.  Sufficiently obscure so many users don't know what to
980 981 982 983
# 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
M
Masanari Iida 已提交
984
	prompt "Endianness selection"
L
Linus Torvalds 已提交
985 986
	help
	  Some MIPS machines can be configured for either little or big endian
987
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
988
	  Linux distribution.  In general there is one preferred byteorder for a
989
	  particular system but some systems are just as commonly used in the
990
	  one or the other endianness.
991 992 993 994 995 996 997 998 999 1000 1001

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

endchoice

1002 1003 1004
config EXPORT_UASM
	bool

1005 1006 1007
config SYS_SUPPORTS_APM_EMULATION
	bool

1008 1009 1010 1011 1012
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1013

1014 1015 1016 1017 1018
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1019 1020 1021
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

L
Linus Torvalds 已提交
1022 1023 1024 1025 1026 1027
config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

M
Marc St-Jean 已提交
1028 1029 1030 1031 1032 1033
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1034 1035 1036
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1037 1038 1039
config IRQ_GT641XX
	bool

1040 1041 1042
config IRQ_GIC
	bool

1043
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1044 1045
	bool

M
Marc St-Jean 已提交
1046 1047 1048
config NO_EXCEPT_FILL
	bool

1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060
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

1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
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 CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

L
Linus Torvalds 已提交
1077 1078 1079
config SWAP_IO_SPACE
	bool

T
Thomas Bogendoerfer 已提交
1080 1081 1082
config SGI_HAS_INDYDOG
	bool

1083 1084 1085
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100
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

1101
config FW_ARC32
1102 1103
	bool

P
Paul Bolle 已提交
1104
config FW_SNIPROM
1105 1106
	bool

L
Linus Torvalds 已提交
1107 1108 1109 1110 1111
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1112
	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
1113
	default "6" if MIPS_CPU_SCACHE
1114
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1115 1116 1117 1118 1119 1120 1121
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1122
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1123 1124 1125

config ARC_MEMORY
	bool
1126
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
1127 1128 1129 1130
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
1131
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
1132 1133
	default y

1134
config FW_ARC64
L
Linus Torvalds 已提交
1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1146 1147 1148 1149
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1150 1151 1152 1153
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1154
	  It has an internal FPGA northbridge, which is compatible to
1155 1156 1157 1158 1159 1160
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1161
	select ARCH_REQUIRE_GPIOLIB
1162 1163 1164 1165 1166 1167 1168 1169
	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.

1170 1171 1172 1173 1174 1175 1176 1177
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
	select CPU_LOONGSON1
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
	  release 2 instruction set.

1178 1179
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1180
	depends on SYS_HAS_CPU_MIPS32_R1
1181
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1182
	select CPU_SUPPORTS_32BIT_KERNEL
1183
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1184
	help
1185
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196
	  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"
1197
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1198
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1199
	select CPU_SUPPORTS_32BIT_KERNEL
1200
	select CPU_SUPPORTS_HIGHMEM
1201
	select HAVE_KVM
1202
	help
1203
	  Choose this option to build a kernel for release 2 or later of the
1204 1205 1206 1207 1208 1209 1210
	  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"
1211
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1212
	select CPU_HAS_PREFETCH
1213 1214
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1215
	select CPU_SUPPORTS_HIGHMEM
1216
	select CPU_SUPPORTS_HUGEPAGES
1217 1218 1219 1220 1221 1222
	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
1223 1224 1225 1226 1227 1228 1229
	  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"
1230
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1231
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1232 1233
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1234
	select CPU_SUPPORTS_HIGHMEM
1235
	select CPU_SUPPORTS_HUGEPAGES
R
Ralf Baechle 已提交
1236 1237 1238 1239 1240 1241
	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
1242 1243 1244

config CPU_R3000
	bool "R3000"
1245
	depends on SYS_HAS_CPU_R3000
1246
	select CPU_HAS_WB
1247
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1248
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1249 1250 1251 1252 1253 1254 1255 1256 1257 1258
	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"
1259
	depends on SYS_HAS_CPU_TX39XX
1260
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1261 1262 1263

config CPU_VR41XX
	bool "R41xx"
1264
	depends on SYS_HAS_CPU_VR41XX
1265 1266
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1267
	help
1268
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1269 1270 1271 1272 1273 1274
	  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"
1275
	depends on SYS_HAS_CPU_R4300
1276 1277
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1278 1279 1280 1281 1282
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1283
	depends on SYS_HAS_CPU_R4X00
1284 1285
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1286
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1287 1288 1289 1290 1291 1292
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1293
	depends on SYS_HAS_CPU_TX49XX
A
Atsushi Nemoto 已提交
1294
	select CPU_HAS_PREFETCH
1295 1296
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1297
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1298 1299 1300

config CPU_R5000
	bool "R5000"
1301
	depends on SYS_HAS_CPU_R5000
1302 1303
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1304
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1305 1306 1307 1308 1309
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1310
	depends on SYS_HAS_CPU_R5432
1311 1312
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1313
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1314

1315 1316 1317 1318 1319
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1320
	select CPU_SUPPORTS_HUGEPAGES
1321 1322 1323 1324
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
Linus Torvalds 已提交
1325 1326
config CPU_R6000
	bool "R6000"
1327
	depends on SYS_HAS_CPU_R6000
1328
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1329 1330
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1331
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1332 1333 1334

config CPU_NEVADA
	bool "RM52xx"
1335
	depends on SYS_HAS_CPU_NEVADA
1336 1337
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1338
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1339 1340 1341 1342 1343
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1344
	depends on SYS_HAS_CPU_R8000
1345
	select CPU_HAS_PREFETCH
1346
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1347 1348 1349 1350 1351 1352
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1353
	depends on SYS_HAS_CPU_R10000
1354
	select CPU_HAS_PREFETCH
1355 1356
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1357
	select CPU_SUPPORTS_HIGHMEM
1358
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1359 1360 1361 1362 1363
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1364
	depends on SYS_HAS_CPU_RM7000
1365
	select CPU_HAS_PREFETCH
1366 1367
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1368
	select CPU_SUPPORTS_HIGHMEM
1369
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1370 1371 1372

config CPU_SB1
	bool "SB1"
1373
	depends on SYS_HAS_CPU_SB1
1374 1375
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1376
	select CPU_SUPPORTS_HIGHMEM
1377
	select CPU_SUPPORTS_HUGEPAGES
1378
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1379

1380 1381
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1382
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1383
	select ARCH_SPARSEMEM_ENABLE
1384 1385 1386 1387 1388 1389
	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
1390
	select CPU_SUPPORTS_HUGEPAGES
1391 1392
	select LIBFDT
	select USE_OF
1393
	select USB_EHCI_BIG_ENDIAN_MMIO
1394 1395 1396 1397 1398 1399
	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.

1400 1401 1402
config CPU_BMIPS3300
	bool "BMIPS3300"
	depends on SYS_HAS_CPU_BMIPS3300
1403
	select CPU_BMIPS
1404 1405 1406 1407 1408 1409
	help
	  Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
	bool "BMIPS4350"
	depends on SYS_HAS_CPU_BMIPS4350
1410
	select CPU_BMIPS
1411 1412 1413 1414 1415 1416 1417 1418
	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
1419
	select CPU_BMIPS
1420 1421 1422 1423 1424 1425 1426 1427
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
	bool "BMIPS5000"
	depends on SYS_HAS_CPU_BMIPS5000
1428
	select CPU_BMIPS
1429
	select CPU_SUPPORTS_HIGHMEM
1430
	select MIPS_CPU_SCACHE
1431 1432 1433 1434 1435
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS5000 processors.

1436 1437 1438 1439 1440 1441
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
1442
	select CPU_SUPPORTS_HUGEPAGES
1443 1444 1445 1446
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456

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 WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_HAS_PREFETCH
1457
	select CPU_MIPSR2
1458 1459
	help
	  Netlogic Microsystems XLP processors.
L
Linus Torvalds 已提交
1460 1461
endchoice

1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488
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

1489 1490 1491 1492 1493
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
1494
	select HAVE_KERNEL_LZO
1495 1496 1497 1498 1499

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1500 1501 1502 1503 1504
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1505
	select CPU_SUPPORTS_HUGEPAGES
1506

1507 1508 1509 1510 1511 1512 1513 1514
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM

1515 1516 1517 1518 1519 1520 1521 1522 1523
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

1524
config SYS_HAS_CPU_LOONGSON2E
1525 1526
	bool

1527 1528
config SYS_HAS_CPU_LOONGSON2F
	bool
1529 1530
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1531
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1532

1533 1534 1535
config SYS_HAS_CPU_LOONGSON1B
	bool

1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571
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

1572 1573 1574
config SYS_HAS_CPU_R5500
	bool

1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592
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_SB1
	bool

1593 1594 1595
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607
config SYS_HAS_CPU_BMIPS3300
	bool

config SYS_HAS_CPU_BMIPS4350
	bool

config SYS_HAS_CPU_BMIPS4380
	bool

config SYS_HAS_CPU_BMIPS5000
	bool

1608 1609 1610
config SYS_HAS_CPU_XLR
	bool

1611 1612 1613
config SYS_HAS_CPU_XLP
	bool

1614 1615 1616 1617
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1618 1619
config WEAK_ORDERING
	bool
1620 1621 1622 1623 1624 1625 1626

#
# 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
1627 1628 1629
endmenu

#
C
Chris Dearman 已提交
1630
# These two indicate any level of the MIPS32 and MIPS64 architecture
1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
#
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
1641
# These two indicate the revision of the architecture, either Release 1 or Release 2
1642 1643 1644 1645 1646 1647 1648
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1649
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1650 1651 1652 1653 1654 1655 1656 1657 1658

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1659 1660 1661 1662
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1663 1664
config CPU_SUPPORTS_HUGEPAGES
	bool
1665 1666
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1667 1668
config MIPS_PGD_C0_CONTEXT
	bool
1669
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1670

1671 1672 1673 1674 1675
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1676
       default y if CPU_MIPSR1 || CPU_MIPSR2
1677

1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
menu "Kernel type"

choice
	prompt "Kernel code model"
	help
	  You should only select this option if you have a workload that
	  actually benefits from 64-bit processing or if your machine has
	  large memory.  You will only be presented a single option in this
	  menu if your system does not support both 32-bit and 64-bit kernels.

config 32BIT
	bool "32-bit kernel"
	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
	select TRAD_SIGNALS
	help
	  Select this option if you want to build a 32-bit kernel.
config 64BIT
	bool "64-bit kernel"
	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
	help
	  Select this option if you want to build a 64-bit kernel.

endchoice

1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
config KVM_GUEST
	bool "KVM Guest Kernel"
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

config KVM_HOST_FREQ
	int "KVM Host Processor Frequency (MHz)"
	depends on KVM_GUEST
	default 500
	help
	  Select this option if building a guest kernel for KVM to skip
	  RTC emulation when determining guest CPU Frequency.  Instead, the guest
	  processor frequency is automatically derived from the host frequency.

L
Linus Torvalds 已提交
1716 1717 1718 1719 1720 1721
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
W
Wu Zhangjin 已提交
1722
	depends on !CPU_LOONGSON2
L
Linus Torvalds 已提交
1723 1724 1725 1726 1727 1728 1729 1730
	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"
1731
	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1732 1733 1734
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
1735 1736
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
L
Linus Torvalds 已提交
1737 1738 1739

config PAGE_SIZE_16KB
	bool "16kB"
1740
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1741 1742 1743
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1744 1745
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1746

1747 1748 1749 1750 1751 1752 1753 1754 1755
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
1756 1757
config PAGE_SIZE_64KB
	bool "64kB"
1758
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1759 1760 1761 1762
	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
1763
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1764 1765 1766

endchoice

1767 1768
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
1769 1770 1771 1772 1773 1774
	range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
	default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
	range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
	default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
	range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
	default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790
	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.

1791 1792 1793 1794 1795 1796 1797 1798 1799
config CEVT_GIC
	bool "Use GIC global counter for clock events"
	depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
	help
	  Use the GIC global counter for the clock events. The R4K clock
	  event driver is always present, so if the platform ends up not
	  detecting a GIC, it will fall back to the R4K timer for the
	  generation of clock events.

L
Linus Torvalds 已提交
1800 1801 1802 1803 1804 1805 1806
config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1807 1808 1809 1810 1811 1812 1813
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
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
1831
	bool
L
Linus Torvalds 已提交
1832

1833 1834 1835 1836
config CPU_GENERIC_DUMP_TLB
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)

F
Florian Fainelli 已提交
1837 1838 1839 1840
config CPU_R4K_FPU
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

1841 1842 1843 1844
config CPU_R4K_CACHE_TLB
	bool
	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

R
Ralf Baechle 已提交
1845 1846
choice
	prompt "MIPS MT options"
1847 1848 1849 1850 1851 1852 1853 1854

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
1855

R
Ralf Baechle 已提交
1856 1857
config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1858
	depends on SYS_SUPPORTS_MULTITHREADING
1859
	select CPU_MIPSR2_IRQ_VI
1860
	select CPU_MIPSR2_IRQ_EI
1861
	select MIPS_MT
1862
	select NR_CPUS_DEFAULT_2
1863
	select SMP
1864
	select SYS_SUPPORTS_SCHED_SMT if SMP
1865
	select SYS_SUPPORTS_SMP
1866
	select SMP_UP
1867
	select MIPS_PERF_SHARED_TC_COUNTERS
1868
	help
1869 1870 1871 1872 1873 1874 1875 1876 1877 1878
	  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
1879

R
Ralf Baechle 已提交
1880 1881 1882 1883
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 ...
1884 1885
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1886
	select CPU_MIPSR2_IRQ_EI
1887
	select MIPS_MT
1888
	select NR_CPUS_DEFAULT_8
R
Ralf Baechle 已提交
1889
	select SMP
1890
	select SYS_SUPPORTS_SMP
1891
	select SMP_UP
1892
	help
R
Ralf Baechle 已提交
1893 1894
	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
1895 1896 1897 1898 1899 1900 1901 1902
	  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
1903 1904 1905

endchoice

1906 1907 1908
config MIPS_MT
	bool

1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
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

1921 1922 1923
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
1924 1925 1926
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
	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
1938

1939 1940 1941
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1942
	default n
1943 1944 1945 1946 1947 1948
	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
1949
	  impact on interrupt service overhead.
1950

1951 1952 1953 1954 1955 1956 1957 1958
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
1959 1960
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1961

1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973
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
1974 1975 1976
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1977

1978 1979 1980
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SYS_SUPPORTS_MIPS_CMP
1981
	select SYNC_R4K
1982 1983 1984 1985 1986 1987 1988 1989
	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
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
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

2005

L
Linus Torvalds 已提交
2006
config 64BIT_PHYS_ADDR
2007
	bool
L
Linus Torvalds 已提交
2008

2009 2010 2011
config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
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.

2024 2025 2026 2027 2028 2029 2030
config CPU_MICROMIPS
	depends on SYS_SUPPORTS_MICROMIPS
	bool "Build kernel using microMIPS ISA"
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

L
Linus Torvalds 已提交
2031
config CPU_HAS_WB
2032
	bool
2033

2034 2035 2036
config XKS01
	bool

2037 2038 2039
#
# Vectored interrupt mode is an R2 feature
#
2040
config CPU_MIPSR2_IRQ_VI
2041
	bool
2042

2043 2044 2045
#
# Extended interrupt mode is an R2 feature
#
2046
config CPU_MIPSR2_IRQ_EI
2047
	bool
2048

L
Linus Torvalds 已提交
2049 2050 2051 2052 2053
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066
#
# 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
2067 2068 2069 2070 2071 2072 2073 2074 2075
#
# - 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
2076 2077 2078
# - 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
2079 2080 2081
#
config HIGHMEM
	bool "High Memory Support"
R
Ralf Baechle 已提交
2082 2083 2084 2085 2086 2087 2088
	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
2089

2090 2091 2092
config SYS_SUPPORTS_SMARTMIPS
	bool

2093 2094 2095
config SYS_SUPPORTS_MICROMIPS
	bool

2096 2097
config ARCH_FLATMEM_ENABLE
	def_bool y
2098
	depends on !NUMA && !CPU_LOONGSON2
2099

2100 2101 2102 2103
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2104
	  Say Y to support efficient handling of discontiguous physical memory,
2105 2106 2107 2108
	  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.

2109 2110
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
2111
	select SPARSEMEM_STATIC
2112

2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125
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
2126 2127 2128 2129 2130
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2131 2132
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2133
	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2134 2135 2136 2137 2138
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2139 2140
source "mm/Kconfig"

L
Linus Torvalds 已提交
2141 2142
config SMP
	bool "Multi-Processing support"
2143
	depends on SYS_SUPPORTS_SMP
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 2219
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2231
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
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 2290

	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
2291
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
2292

2293
config KEXEC
2294
	bool "Kexec system call"
2295 2296 2297
	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

	  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.

R
Ralf Baechle 已提交
2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
config CRASH_DUMP
	  bool "Kernel crash dumps"
	  help
	  Generate crash dump after being started by kexec.
	  This should be normally only set in special crash dump kernels
	  which are loaded in the main kernel with kexec-tools into
	  a specially reserved region and then later executed after
	  a crash by kdump/kexec. The crash dump kernel must be compiled
	  to a memory address not used by the main kernel or firmware using
	  PHYSICAL_START.

config PHYSICAL_START
	  hex "Physical address where the kernel is loaded"
	  default "0xffffffff84000000" if 64BIT
	  default "0x84000000" if 32BIT
	  depends on CRASH_DUMP
	  help
	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
	  If you plan to use kernel for capturing the crash dump change
	  this value to start of the reserved region (the "X" value as
	  specified in the "crashkernel=YM@XM" command line boot parameter
	  passed to the panic-ed kernel).

2332 2333
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2334
	depends on PROC_FS
2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348
	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.

2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361
config CC_STACKPROTECTOR
	bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
	help
	  This option turns on the -fstack-protector GCC feature. This
	  feature puts, at the beginning of functions, a canary value on
	  the stack just before the return address, and validates
	  the value just before actually returning.  Stack based buffer
	  overflows (that need to overwrite this return address) now also
	  overwrite the canary, which gets detected and the attack is then
	  neutralized via a kernel panic.

	  This feature requires gcc version 4.2 or above.

2362
config USE_OF
2363
	bool
2364
	select OF
2365
	select OF_EARLY_FLATTREE
2366
	select IRQ_DOMAIN
2367

2368 2369
endmenu

2370 2371 2372 2373 2374 2375 2376 2377
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2378 2379
source "init/Kconfig"

2380 2381
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
2382 2383
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

2384 2385
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
2386 2387 2388 2389 2390 2391
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2392
	select PCI_DOMAINS
2393
	select GENERIC_PCI_IOMAP
2394
	select NO_GENERIC_PCI_IOPORT_MAP
L
Linus Torvalds 已提交
2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405
	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"

2406 2407
source "drivers/pci/pcie/Kconfig"

L
Linus Torvalds 已提交
2408 2409 2410 2411 2412 2413 2414 2415 2416 2417
#
# 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"
2418
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
2419
	select ISA
2420
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439
	---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
2440 2441 2442 2443 2444 2445 2446 2447
	  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
2448 2449 2450 2451 2452

config MMU
	bool
	default y

2453 2454
config I8253
	bool
2455
	select CLKSRC_I8253
2456
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
2457
	select MIPS_EXTERNAL_TIMER
2458

2459 2460 2461
config ZONE_DMA
	bool

2462 2463 2464
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
2465 2466 2467 2468
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2469 2470 2471 2472 2473 2474 2475 2476 2477 2478
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
2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489
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"
2490
	depends on 64BIT
L
Linus Torvalds 已提交
2491 2492 2493 2494 2495 2496 2497 2498
	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
2499
	select ARCH_WANT_OLD_COMPAT_IPC
L
Linus Torvalds 已提交
2500 2501
	default y

2502 2503 2504 2505 2506
config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

L
Linus Torvalds 已提交
2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531
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

2532 2533 2534 2535
endmenu

menu "Power management options"

W
Wu Zhangjin 已提交
2536 2537
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2538
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
2539

J
Johannes Berg 已提交
2540 2541
config ARCH_SUSPEND_POSSIBLE
	def_bool y
2542
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
2543

2544
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2545

L
Linus Torvalds 已提交
2546 2547
endmenu

2548 2549 2550 2551 2552 2553 2554 2555
config MIPS_EXTERNAL_TIMER
	bool

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
menu "CPU Power Management"
source "drivers/cpufreq/Kconfig"
endmenu
endif
W
Wu Zhangjin 已提交
2556

2557 2558
source "net/Kconfig"

L
Linus Torvalds 已提交
2559 2560
source "drivers/Kconfig"

2561 2562
source "drivers/firmware/Kconfig"

L
Linus Torvalds 已提交
2563 2564 2565 2566 2567 2568 2569 2570 2571
source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
2572 2573

source "arch/mips/kvm/Kconfig"