Kconfig 68.3 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
config MIPS
	bool
	default y
4
	select ARCH_MIGHT_HAVE_PC_PARPORT
5
	select ARCH_MIGHT_HAVE_PC_SERIO
6
	select HAVE_CONTEXT_TRACKING
7
	select HAVE_GENERIC_DMA_COHERENT
S
Sam Ravnborg 已提交
8
	select HAVE_IDE
M
Mathieu Desnoyers 已提交
9
	select HAVE_OPROFILE
10 11
	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
12
	select HAVE_ARCH_KGDB
13
	select HAVE_ARCH_SECCOMP_FILTER
R
Ralf Baechle 已提交
14
	select HAVE_ARCH_TRACEHOOK
15
	select HAVE_BPF_JIT if !CPU_MICROMIPS
16
	select ARCH_HAVE_CUSTOM_GPIO_H
17
	select HAVE_FUNCTION_TRACER
18 19
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
20
	select HAVE_C_RECORDMCOUNT
21
	select HAVE_FUNCTION_GRAPH_TRACER
D
David Daney 已提交
22 23
	select HAVE_KPROBES
	select HAVE_KRETPROBES
24
	select HAVE_DEBUG_KMEMLEAK
25
	select HAVE_SYSCALL_TRACEPOINTS
D
David Daney 已提交
26
	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
27
	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
28
	select RTC_LIB if !MACH_LOONGSON
29
	select GENERIC_ATOMIC64 if !64BIT
30
	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
31
	select HAVE_DMA_ATTRS
32
	select HAVE_DMA_CONTIGUOUS
33
	select HAVE_DMA_API_DEBUG
34
	select GENERIC_IRQ_PROBE
35
	select GENERIC_IRQ_SHOW
36
	select GENERIC_PCI_IOMAP
37
	select HAVE_ARCH_JUMP_LABEL
38
	select ARCH_WANT_IPC_PARSE_VERSION
39
	select IRQ_FORCED_THREADING
T
Tejun Heo 已提交
40 41 42
	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP
	select ARCH_DISCARD_MEMBLOCK
43
	select GENERIC_SMP_IDLE_THREAD
44
	select BUILDTIME_EXTABLE_SORT
45 46
	select GENERIC_CLOCKEVENTS
	select GENERIC_CMOS_UPDATE
47
	select HAVE_MOD_ARCH_SPECIFIC
48
	select VIRT_TO_BUS
49 50
	select MODULES_USE_ELF_REL if MODULES
	select MODULES_USE_ELF_RELA if MODULES && 64BIT
51
	select CLONE_BACKWARDS
52
	select HAVE_DEBUG_STACKOVERFLOW
53
	select HAVE_CC_STACKPROTECTOR
54
	select CPU_PM if CPU_IDLE
55
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
56
	select ARCH_BINFMT_ELF_STATE
57
	select SYSCTL_EXCEPTION_TRACE
L
Linus Torvalds 已提交
58 59 60

menu "Machine selection"

61 62 63
choice
	prompt "System type"
	default SGI_IP22
L
Linus Torvalds 已提交
64

65
config MIPS_ALCHEMY
66
	bool "Alchemy processor based machines"
67
	select ARCH_PHYS_ADDR_T_64BIT
68
	select CEVT_R4K
69
	select CSRC_R4K
70
	select IRQ_CPU
71
	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
72 73 74
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
75
	select ARCH_REQUIRE_GPIOLIB
76
	select SYS_SUPPORTS_ZBOOT
77
	select COMMON_CLK
L
Linus Torvalds 已提交
78

79 80 81 82 83 84 85 86 87 88 89 90 91
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
92
	select SYS_SUPPORTS_MIPS16
93
	select SYS_SUPPORTS_ZBOOT_UART16550
F
Florian Fainelli 已提交
94
	select ARCH_REQUIRE_GPIOLIB
95
	select VLYNQ
96
	select HAVE_CLK
97 98 99 100
	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

S
Sergey Ryazanov 已提交
101 102 103 104 105 106
config ATH25
	bool "Atheros AR231x/AR531x SoC support"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
107
	select IRQ_DOMAIN
S
Sergey Ryazanov 已提交
108 109 110
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
111
	select SYS_HAS_EARLY_PRINTK
S
Sergey Ryazanov 已提交
112 113 114
	help
	  Support for Atheros AR231x and Atheros AR531x based boards

115 116
config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
G
Gabor Juhos 已提交
117
	select ARCH_REQUIRE_GPIOLIB
118 119 120 121
	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
G
Gabor Juhos 已提交
122
	select HAVE_CLK
123
	select CLKDEV_LOOKUP
124
	select IRQ_CPU
125
	select MIPS_MACHINE
126 127 128 129
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
130
	select SYS_SUPPORTS_MIPS16
131 132 133
	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
config BCM3384
	bool "Broadcom BCM3384 based boards"
	select BOOT_RAW
	select NO_EXCEPT_FILL
	select USE_OF
	select CEVT_R4K
	select CSRC_R4K
	select SYNC_R4K
	select COMMON_CLK
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_HAS_CPU_BMIPS5000
	select SWAP_IO_SPACE
	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_OHCI_BIG_ENDIAN_DESC
	select USB_OHCI_BIG_ENDIAN_MMIO
	help
	  Support for BCM3384 based boards.  BCM3384/BCM33843 is a cable modem
	  chipset with a Linux application processor that is often used to
	  provide Samba services, a CUPS print server, and/or advanced routing
	  features.

160
config BCM47XX
161
	bool "Broadcom BCM47XX based boards"
H
Hauke Mehrtens 已提交
162
	select ARCH_WANT_OPTIONAL_GPIOLIB
H
Hauke Mehrtens 已提交
163
	select BOOT_RAW
164
	select CEVT_R4K
165
	select CSRC_R4K
166 167 168
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
169
	select SYS_HAS_CPU_MIPS32_R1
170
	select NO_EXCEPT_FILL
171 172
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
173
	select SYS_SUPPORTS_MIPS16
A
Aurelien Jarno 已提交
174
	select SYS_HAS_EARLY_PRINTK
175
	select USE_GENERIC_EARLY_PRINTK_8250
176 177
	select GPIOLIB
	select LEDS_GPIO_REGISTER
178 179 180
	help
	 Support for BCM47XX based boards

181 182
config BCM63XX
	bool "Broadcom BCM63XX based boards"
183
	select BOOT_RAW
184 185
	select CEVT_R4K
	select CSRC_R4K
186
	select SYNC_R4K
187 188 189 190 191 192 193
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
194
	select HAVE_CLK
195
	select MIPS_L1_CACHE_SHIFT_4
196 197 198
	help
	 Support for BCM63XX based boards

L
Linus Torvalds 已提交
199
config MIPS_COBALT
200
	bool "Cobalt Server"
201
	select CEVT_R4K
202
	select CSRC_R4K
203
	select CEVT_GT641XX
L
Linus Torvalds 已提交
204 205
	select DMA_NONCOHERENT
	select HW_HAS_PCI
206
	select I8253
L
Linus Torvalds 已提交
207 208
	select I8259
	select IRQ_CPU
Y
Yoichi Yuasa 已提交
209
	select IRQ_GT641XX
210
	select PCI_GT64XXX_PCI0
211
	select PCI
212
	select SYS_HAS_CPU_NEVADA
Y
Yoichi Yuasa 已提交
213
	select SYS_HAS_EARLY_PRINTK
214
	select SYS_SUPPORTS_32BIT_KERNEL
215
	select SYS_SUPPORTS_64BIT_KERNEL
216
	select SYS_SUPPORTS_LITTLE_ENDIAN
217
	select USE_GENERIC_EARLY_PRINTK_8250
L
Linus Torvalds 已提交
218 219

config MACH_DECSTATION
220
	bool "DECstations"
L
Linus Torvalds 已提交
221
	select BOOT_ELF32
222
	select CEVT_DS1287
223
	select CEVT_R4K if CPU_R4X00
224
	select CSRC_IOASIC
225
	select CSRC_R4K if CPU_R4X00
226 227 228
	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
L
Linus Torvalds 已提交
229
	select DMA_NONCOHERENT
230
	select NO_IOPORT_MAP
L
Linus Torvalds 已提交
231
	select IRQ_CPU
232 233
	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
234
	select SYS_SUPPORTS_32BIT_KERNEL
235
	select SYS_SUPPORTS_64BIT_KERNEL
236
	select SYS_SUPPORTS_LITTLE_ENDIAN
237 238 239
	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
240
	select MIPS_L1_CACHE_SHIFT_4
241
	help
L
Linus Torvalds 已提交
242 243 244 245 246 247 248
	  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:

249 250 251 252
		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
L
Linus Torvalds 已提交
253 254 255

	  otherwise choose R3000.

256
config MACH_JAZZ
257
	bool "Jazz family of machines"
258 259
	select FW_ARC
	select FW_ARC32
260
	select ARCH_MAY_HAVE_PC_FDC
261
	select CEVT_R4K
262
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
263
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
264
	select GENERIC_ISA_DMA
265
	select HAVE_PCSPKR_PLATFORM
T
Thomas Bogendoerfer 已提交
266
	select IRQ_CPU
267
	select I8253
268 269
	select I8259
	select ISA
270
	select SYS_HAS_CPU_R4X00
271
	select SYS_SUPPORTS_32BIT_KERNEL
272
	select SYS_SUPPORTS_64BIT_KERNEL
273
	select SYS_SUPPORTS_100HZ
L
Linus Torvalds 已提交
274
	help
275 276
	 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.
277
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
278 279
	 Olivetti M700-10 workstations.

280 281 282 283 284
config MACH_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
285
	select SYS_SUPPORTS_ZBOOT_UART16550
286 287 288 289
	select DMA_NONCOHERENT
	select IRQ_CPU
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
M
Maurus Cuelenaere 已提交
290
	select HAVE_CLK
291
	select GENERIC_IRQ_CHIP
292

293 294 295 296 297 298 299 300 301 302
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
303
	select SYS_SUPPORTS_MIPS16
304 305 306 307 308
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_HAS_EARLY_PRINTK
	select ARCH_REQUIRE_GPIOLIB
	select SWAP_IO_SPACE
	select BOOT_RAW
309 310
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
311
	select USE_OF
312 313
	select PINCTRL
	select PINCTRL_LANTIQ
314 315
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
316

317 318
config LASAT
	bool "LASAT Networks platforms"
319
	select CEVT_R4K
320
	select CRC32
321
	select CSRC_R4K
322 323 324
	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
325
	select IRQ_CPU
326 327 328 329 330 331 332 333
	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

334 335
config MACH_LOONGSON
	bool "Loongson family of machines"
336
	select SYS_SUPPORTS_ZBOOT
337
	help
338 339 340 341 342 343
	  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.
344

345 346 347 348 349 350 351 352 353 354
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.

355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381
config MACH_PISTACHIO
	bool "IMG Pistachio SoC based boards"
	select ARCH_REQUIRE_GPIOLIB
	select BOOT_ELF32
	select BOOT_RAW
	select CEVT_R4K
	select CLKSRC_MIPS_GIC
	select COMMON_CLK
	select CSRC_R4K
	select DMA_MAYBE_COHERENT
	select IRQ_CPU
	select LIBFDT
	select MFD_SYSCON
	select MIPS_CPU_SCACHE
	select MIPS_GIC
	select PINCTRL
	select REGULATOR
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_MIPS_CPS
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_SUPPORTS_ZBOOT
	select USE_OF
	help
	  This enables support for the IMG Pistachio SoC platform.

L
Linus Torvalds 已提交
382
config MIPS_MALTA
383
	bool "MIPS Malta board"
384
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
385
	select BOOT_ELF32
386
	select BOOT_RAW
387
	select CEVT_R4K
388
	select CSRC_R4K
389
	select CLKSRC_MIPS_GIC
390
	select DMA_MAYBE_COHERENT
L
Linus Torvalds 已提交
391
	select GENERIC_ISA_DMA
392
	select HAVE_PCSPKR_PLATFORM
393
	select IRQ_CPU
394
	select MIPS_GIC
L
Linus Torvalds 已提交
395
	select HW_HAS_PCI
396
	select I8253
L
Linus Torvalds 已提交
397
	select I8259
398
	select MIPS_BONITO64
399
	select MIPS_CPU_SCACHE
400
	select MIPS_L1_CACHE_SHIFT_6
401
	select PCI_GT64XXX_PCI0
402
	select MIPS_MSC
L
Linus Torvalds 已提交
403
	select SWAP_IO_SPACE
404 405
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
406
	select SYS_HAS_CPU_MIPS32_R3_5
407
	select SYS_HAS_CPU_MIPS32_R6
408
	select SYS_HAS_CPU_MIPS64_R1
409
	select SYS_HAS_CPU_MIPS64_R2
410
	select SYS_HAS_CPU_MIPS64_R6
411 412
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
413 414
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
415 416
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
417
	select SYS_SUPPORTS_MICROMIPS
T
Tim Anderson 已提交
418
	select SYS_SUPPORTS_MIPS_CMP
419
	select SYS_SUPPORTS_MIPS_CPS
420
	select SYS_SUPPORTS_MIPS16
421
	select SYS_SUPPORTS_MULTITHREADING
422
	select SYS_SUPPORTS_SMARTMIPS
423
	select SYS_SUPPORTS_ZBOOT
L
Linus Torvalds 已提交
424
	help
425
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
426 427
	  board.

428 429 430 431
config MIPS_SEAD3
	bool "MIPS SEAD3 board"
	select BOOT_ELF32
	select BOOT_RAW
432
	select BUILTIN_DTB
433 434
	select CEVT_R4K
	select CSRC_R4K
435
	select CLKSRC_MIPS_GIC
436 437 438 439
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select DMA_NONCOHERENT
	select IRQ_CPU
440
	select MIPS_GIC
441
	select LIBFDT
442 443 444 445 446 447 448 449 450 451
	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
452
	select SYS_SUPPORTS_MICROMIPS
453
	select SYS_SUPPORTS_MIPS16
454 455
	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
456
	select USE_OF
457 458 459 460
	help
	  This enables support for the MIPS Technologies SEAD3 evaluation
	  board.

461 462 463 464 465 466
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.
467

468
config MACH_VR41XX
469
	bool "NEC VR4100 series based machines"
470
	select CEVT_R4K
471
	select CSRC_R4K
472
	select SYS_HAS_CPU_VR41XX
473
	select SYS_SUPPORTS_MIPS16
474
	select ARCH_REQUIRE_GPIOLIB
475

476 477 478 479 480 481 482 483 484 485 486 487 488
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
489 490
config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
491 492
	select CEVT_R4K
	select CSRC_R4K
M
Marc St-Jean 已提交
493 494 495 496 497 498 499 500
	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
501
	select SYS_SUPPORTS_MIPS16
M
Marc St-Jean 已提交
502 503 504
	select IRQ_CPU
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
505 506
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
M
Marc St-Jean 已提交
507 508 509 510 511 512
	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.

J
John Crispin 已提交
513 514 515 516 517 518 519 520 521 522 523 524
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
525
	select SYS_SUPPORTS_MIPS16
J
John Crispin 已提交
526 527 528
	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
529 530
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
531

L
Linus Torvalds 已提交
532
config SGI_IP22
533
	bool "SGI IP22 (Indy/Indigo2)"
534 535
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
536
	select BOOT_ELF32
537
	select CEVT_R4K
538
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
539
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
540
	select DMA_NONCOHERENT
541
	select HW_HAS_EISA
542
	select I8253
543
	select I8259
L
Linus Torvalds 已提交
544 545
	select IP22_CPU_SCACHE
	select IRQ_CPU
546
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
547 548
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
549
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
550 551 552
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
553
	select SWAP_IO_SPACE
554 555
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
556 557 558 559 560 561 562 563
	#
	# 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
564 565
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
566
	select SYS_SUPPORTS_BIG_ENDIAN
567
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
568 569 570 571 572 573
	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
574
	bool "SGI IP27 (Origin200/2000)"
575 576
	select FW_ARC
	select FW_ARC64
577
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
578
	select DEFAULT_SGI_PARTITION
579
	select DMA_COHERENT
580
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
581
	select HW_HAS_PCI
582
	select NR_CPUS_DEFAULT_64
583
	select SYS_HAS_CPU_R10000
584
	select SYS_SUPPORTS_64BIT_KERNEL
585
	select SYS_SUPPORTS_BIG_ENDIAN
586
	select SYS_SUPPORTS_NUMA
587
	select SYS_SUPPORTS_SMP
588
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
589 590 591 592 593
	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
594
config SGI_IP28
595
	bool "SGI IP28 (Indigo2 R10k)"
596 597
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
598 599 600 601 602 603 604 605 606 607 608 609
	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
610
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
611 612 613 614 615
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
616 617 618 619 620 621 622 623
	#
	# 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
624 625
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
626
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
627 628 629 630
      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
631
config SGI_IP32
632
	bool "SGI IP32 (O2)"
633 634
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
635
	select BOOT_ELF32
636
	select CEVT_R4K
637
	select CSRC_R4K
L
Linus Torvalds 已提交
638 639
	select DMA_NONCOHERENT
	select HW_HAS_PCI
640
	select IRQ_CPU
L
Linus Torvalds 已提交
641 642
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
643 644 645
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
646
	select SYS_HAS_CPU_NEVADA
647
	select SYS_SUPPORTS_64BIT_KERNEL
648 649
	select SYS_SUPPORTS_BIG_ENDIAN
	help
650
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
651

652 653
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
654 655
	select BOOT_ELF32
	select DMA_COHERENT
656
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
657
	select SWAP_IO_SPACE
658
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
659 660 661
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

662 663
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
664
	select BOOT_ELF32
L
Linus Torvalds 已提交
665
	select DMA_COHERENT
666
	select SIBYTE_BCM1120
667
	select SWAP_IO_SPACE
668
	select SYS_HAS_CPU_SB1
669
	select SYS_SUPPORTS_BIG_ENDIAN
670
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
671

672 673
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
674 675
	select BOOT_ELF32
	select DMA_COHERENT
676
	select SIBYTE_BCM1125
677
	select SWAP_IO_SPACE
678
	select SYS_HAS_CPU_SB1
679
	select SYS_SUPPORTS_BIG_ENDIAN
680
	select SYS_SUPPORTS_HIGHMEM
681
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
682

683
config SIBYTE_RHONE
684
	bool "Sibyte BCM91125E-Rhone"
685 686 687 688
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
689
	select SYS_HAS_CPU_SB1
690 691
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
692

693 694
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
695
	select BOOT_ELF32
P
Pete Popov 已提交
696
	select DMA_COHERENT
697
	select HAVE_PATA_PLATFORM
698
	select SIBYTE_SB1250
699
	select SWAP_IO_SPACE
700
	select SYS_HAS_CPU_SB1
701
	select SYS_SUPPORTS_BIG_ENDIAN
702
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
703
	select SYS_SUPPORTS_LITTLE_ENDIAN
704
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
705

706 707
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
708 709
	select BOOT_ELF32
	select DMA_COHERENT
710
	select HAVE_PATA_PLATFORM
711 712
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
713
	select SYS_HAS_CPU_SB1
714 715 716
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
717

718 719
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
720 721 722 723
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
724
	select SYS_HAS_CPU_SB1
725 726
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
727

728 729
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
730 731
	select BOOT_ELF32
	select DMA_COHERENT
732 733
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
734
	select SWAP_IO_SPACE
735
	select SYS_HAS_CPU_SB1
736
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
737
	select SYS_SUPPORTS_HIGHMEM
738
	select SYS_SUPPORTS_LITTLE_ENDIAN
739
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
740

741 742
config SNI_RM
	bool "SNI RM200/300/400"
743 744
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
745
	select FW_SNIPROM if CPU_BIG_ENDIAN
746
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
747
	select BOOT_ELF32
748
	select CEVT_R4K
749
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
750
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
751 752
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
753
	select HAVE_PCSPKR_PLATFORM
754
	select HW_HAS_EISA
L
Linus Torvalds 已提交
755
	select HW_HAS_PCI
756
	select IRQ_CPU
757
	select I8253
L
Linus Torvalds 已提交
758 759
	select I8259
	select ISA
760
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
761
	select SYS_HAS_CPU_R4X00
762
	select SYS_HAS_CPU_R5000
763
	select SYS_HAS_CPU_R10000
764
	select R5000_CPU_SCACHE
765
	select SYS_HAS_EARLY_PRINTK
766
	select SYS_SUPPORTS_32BIT_KERNEL
767
	select SYS_SUPPORTS_64BIT_KERNEL
768
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
769
	select SYS_SUPPORTS_HIGHMEM
770
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
771
	help
772 773
	  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
774 775 776
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

777 778
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
779

780 781
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
782

783 784 785 786 787 788 789 790 791 792 793 794
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
795
	select ARCH_REQUIRE_GPIOLIB
796
	select MIPS_L1_CACHE_SHIFT_4
797 798 799 800
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

801 802
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
803
	select CEVT_R4K
804
	select ARCH_PHYS_ADDR_T_64BIT
805 806 807
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
808
	select EDAC_SUPPORT
809 810
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
811
	select SYS_HAS_EARLY_PRINTK
812
	select SYS_HAS_CPU_CAVIUM_OCTEON
813
	select SWAP_IO_SPACE
814
	select HW_HAS_PCI
D
David Daney 已提交
815
	select ZONE_DMA32
816
	select HOLES_IN_ZONE
817
	select ARCH_REQUIRE_GPIOLIB
818 819 820 821 822
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
823
	select BUILTIN_DTB
824 825 826 827 828 829 830 831 832 833 834 835 836
	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.

837 838 839 840 841 842 843 844 845 846
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
847
	select ARCH_PHYS_ADDR_T_64BIT
848 849 850 851 852 853 854
	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
855
	select ZONE_DMA32 if 64BIT
856 857
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
858 859
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
860 861 862 863
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

864 865 866 867 868 869 870 871 872
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
873
	select ARCH_PHYS_ADDR_T_64BIT
874 875 876 877 878 879 880 881
	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
882
	select ZONE_DMA32 if 64BIT
883 884
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
885
	select USE_OF
886 887
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
888 889 890 891
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910
config MIPS_PARAVIRT
	bool "Para-Virtualized guest system"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_4
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R2
	select SYS_HAS_CPU_CAVIUM_OCTEON
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	help
	  This option supports guest running under ????

911
endchoice
L
Linus Torvalds 已提交
912

R
Ralf Baechle 已提交
913
source "arch/mips/alchemy/Kconfig"
914
source "arch/mips/ath25/Kconfig"
915
source "arch/mips/ath79/Kconfig"
916
source "arch/mips/bcm47xx/Kconfig"
917
source "arch/mips/bcm63xx/Kconfig"
918
source "arch/mips/jazz/Kconfig"
919
source "arch/mips/jz4740/Kconfig"
920
source "arch/mips/lantiq/Kconfig"
921
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
922
source "arch/mips/pmcs-msp71xx/Kconfig"
J
John Crispin 已提交
923
source "arch/mips/ralink/Kconfig"
924
source "arch/mips/sgi-ip27/Kconfig"
925
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
926
source "arch/mips/txx9/Kconfig"
927
source "arch/mips/vr41xx/Kconfig"
928
source "arch/mips/cavium-octeon/Kconfig"
929
source "arch/mips/loongson/Kconfig"
930
source "arch/mips/loongson1/Kconfig"
931
source "arch/mips/netlogic/Kconfig"
932
source "arch/mips/paravirt/Kconfig"
933

934 935
endmenu

L
Linus Torvalds 已提交
936 937 938 939 940 941 942
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

943 944 945 946 947 948 949 950
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

951 952 953 954
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
955 956 957 958
config GENERIC_CALIBRATE_DELAY
	bool
	default y

959
config SCHED_OMIT_FRAME_POINTER
960 961 962
	bool
	default y

L
Linus Torvalds 已提交
963 964 965
#
# Select some configuration options automatically based on user selections.
#
966
config FW_ARC
L
Linus Torvalds 已提交
967 968
	bool

969 970 971
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
972 973 974
config BOOT_RAW
	bool

975 976 977
config CEVT_BCM1480
	bool

978 979 980
config CEVT_DS1287
	bool

981 982 983
config CEVT_GT641XX
	bool

984 985 986
config CEVT_R4K
	bool

987 988 989
config CEVT_SB1250
	bool

990 991 992
config CEVT_TXX9
	bool

993 994 995
config CSRC_BCM1480
	bool

996 997 998
config CSRC_IOASIC
	bool

999 1000 1001
config CSRC_R4K
	bool

1002 1003 1004
config CSRC_SB1250
	bool

1005
config GPIO_TXX9
M
Michael Buesch 已提交
1006
	select ARCH_REQUIRE_GPIOLIB
1007 1008
	bool

1009
config FW_CFE
1010 1011
	bool

1012
config ARCH_DMA_ADDR_T_64BIT
1013
	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1014

1015 1016 1017 1018
config DMA_MAYBE_COHERENT
	select DMA_NONCOHERENT
	bool

1019
config DMA_COHERENT
L
Linus Torvalds 已提交
1020 1021
	bool

1022 1023
config DMA_NONCOHERENT
	bool
1024
	select NEED_DMA_MAP_STATE
1025

1026
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
1027 1028
	bool

1029
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1030 1031
	bool

1032
config HOTPLUG_CPU
1033
	bool "Support for hot-pluggable CPUs"
1034
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1035 1036 1037 1038 1039 1040 1041 1042
	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
1043 1044
	bool

L
Linus Torvalds 已提交
1045 1046
config I8259
	bool
A
Andrew Bresticker 已提交
1047
	select IRQ_DOMAIN
L
Linus Torvalds 已提交
1048 1049 1050 1051 1052 1053 1054

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1055 1056 1057
config MIPS_NILE4
	bool

1058 1059 1060
config SYNC_R4K
	bool

1061 1062 1063
config MIPS_MACHINE
	def_bool n

1064
config NO_IOPORT_MAP
1065 1066
	def_bool n

1067 1068 1069
config GENERIC_CSUM
	bool

1070 1071 1072
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1073
	select ISA_DMA_API
1074

1075 1076
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1077
	select GENERIC_ISA_DMA
1078

1079 1080 1081
config ISA_DMA_API
	bool

1082 1083 1084
config HOLES_IN_ZONE
	bool

1085
#
M
Masanari Iida 已提交
1086
# Endianness selection.  Sufficiently obscure so many users don't know what to
1087 1088 1089 1090
# 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
1091
	prompt "Endianness selection"
L
Linus Torvalds 已提交
1092 1093
	help
	  Some MIPS machines can be configured for either little or big endian
1094
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
1095
	  Linux distribution.  In general there is one preferred byteorder for a
1096
	  particular system but some systems are just as commonly used in the
1097
	  one or the other endianness.
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108

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

1109 1110 1111
config EXPORT_UASM
	bool

1112 1113 1114
config SYS_SUPPORTS_APM_EMULATION
	bool

1115 1116 1117 1118 1119
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1120

1121 1122 1123 1124 1125
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1126 1127 1128
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

L
Linus Torvalds 已提交
1129 1130
config IRQ_CPU
	bool
1131
	select IRQ_DOMAIN
L
Linus Torvalds 已提交
1132 1133 1134 1135

config IRQ_CPU_RM7K
	bool

M
Marc St-Jean 已提交
1136 1137 1138 1139 1140 1141
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1142 1143 1144
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1145 1146 1147
config IRQ_GT641XX
	bool

1148
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1149 1150
	bool

M
Marc St-Jean 已提交
1151 1152 1153
config NO_EXCEPT_FILL
	bool

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
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

1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
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
1176
	select SYS_SUPPORTS_MIPS16
1177 1178 1179 1180 1181 1182
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1183 1184 1185
config MIPS_SPRAM
	bool

L
Linus Torvalds 已提交
1186 1187 1188
config SWAP_IO_SPACE
	bool

T
Thomas Bogendoerfer 已提交
1189 1190 1191
config SGI_HAS_INDYDOG
	bool

1192 1193 1194
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
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

1210
config FW_ARC32
1211 1212
	bool

P
Paul Bolle 已提交
1213
config FW_SNIPROM
1214 1215
	bool

L
Linus Torvalds 已提交
1216 1217 1218
config BOOT_ELF32
	bool

1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
config MIPS_L1_CACHE_SHIFT_4
	bool

config MIPS_L1_CACHE_SHIFT_5
	bool

config MIPS_L1_CACHE_SHIFT_6
	bool

config MIPS_L1_CACHE_SHIFT_7
	bool

L
Linus Torvalds 已提交
1231 1232
config MIPS_L1_CACHE_SHIFT
	int
1233 1234 1235 1236
	default "4" if MIPS_L1_CACHE_SHIFT_4
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "7" if MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
1237 1238 1239 1240 1241 1242 1243
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1244
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1245 1246 1247

config ARC_MEMORY
	bool
1248
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
1249 1250 1251 1252
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
1253
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
1254 1255
	default y

1256
config FW_ARC64
L
Linus Torvalds 已提交
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
config CPU_LOONGSON3
	bool "Loongson 3 CPU"
	depends on SYS_HAS_CPU_LOONGSON3
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1280 1281 1282 1283
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1284 1285 1286 1287
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1288
	  It has an internal FPGA northbridge, which is compatible to
1289 1290 1291 1292 1293 1294
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1295
	select ARCH_REQUIRE_GPIOLIB
1296 1297 1298 1299 1300 1301 1302 1303
	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.

1304 1305 1306 1307 1308 1309 1310 1311
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.

1312 1313
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1314
	depends on SYS_HAS_CPU_MIPS32_R1
1315
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1316
	select CPU_SUPPORTS_32BIT_KERNEL
1317
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1318
	help
1319
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330
	  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"
1331
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1332
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1333
	select CPU_SUPPORTS_32BIT_KERNEL
1334
	select CPU_SUPPORTS_HIGHMEM
P
Paul Burton 已提交
1335
	select CPU_SUPPORTS_MSA
1336
	select HAVE_KVM
1337
	help
1338
	  Choose this option to build a kernel for release 2 or later of the
1339 1340 1341 1342 1343
	  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.

1344 1345 1346 1347 1348 1349 1350
config CPU_MIPS32_R6
	bool "MIPS32 Release 6 (EXPERIMENTAL)"
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1351
	select GENERIC_CSUM
1352 1353 1354 1355 1356 1357 1358 1359
	select HAVE_KVM
	select MIPS_O32_FP64_SUPPORT
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS32r6 processor. If you own an older
	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.

1360 1361
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1362
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1363
	select CPU_HAS_PREFETCH
1364 1365
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1366
	select CPU_SUPPORTS_HIGHMEM
1367
	select CPU_SUPPORTS_HUGEPAGES
1368 1369 1370 1371 1372 1373
	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
1374 1375 1376 1377 1378 1379 1380
	  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"
1381
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1382
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1383 1384
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1385
	select CPU_SUPPORTS_HIGHMEM
1386
	select CPU_SUPPORTS_HUGEPAGES
P
Paul Burton 已提交
1387
	select CPU_SUPPORTS_MSA
R
Ralf Baechle 已提交
1388 1389 1390 1391 1392 1393
	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
1394

1395 1396 1397 1398 1399 1400 1401 1402
config CPU_MIPS64_R6
	bool "MIPS64 Release 6 (EXPERIMENTAL)"
	depends on SYS_HAS_CPU_MIPS64_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1403
	select GENERIC_CSUM
1404 1405 1406 1407 1408 1409
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS64r6 processor. If you own an older
	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.

L
Linus Torvalds 已提交
1410 1411
config CPU_R3000
	bool "R3000"
1412
	depends on SYS_HAS_CPU_R3000
1413
	select CPU_HAS_WB
1414
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1415
	select CPU_SUPPORTS_HIGHMEM
L
Linus Torvalds 已提交
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
	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"
1426
	depends on SYS_HAS_CPU_TX39XX
1427
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1428 1429 1430

config CPU_VR41XX
	bool "R41xx"
1431
	depends on SYS_HAS_CPU_VR41XX
1432 1433
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1434
	help
1435
	  The options selects support for the NEC VR4100 series of processors.
L
Linus Torvalds 已提交
1436 1437 1438 1439 1440 1441
	  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"
1442
	depends on SYS_HAS_CPU_R4300
1443 1444
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1445 1446 1447 1448 1449
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1450
	depends on SYS_HAS_CPU_R4X00
1451 1452
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1453
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1454 1455 1456 1457 1458 1459
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1460
	depends on SYS_HAS_CPU_TX49XX
A
Atsushi Nemoto 已提交
1461
	select CPU_HAS_PREFETCH
1462 1463
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1464
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1465 1466 1467

config CPU_R5000
	bool "R5000"
1468
	depends on SYS_HAS_CPU_R5000
1469 1470
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1471
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1472 1473 1474 1475 1476
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1477
	depends on SYS_HAS_CPU_R5432
1478 1479
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1480
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1481

1482 1483 1484 1485 1486
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1487
	select CPU_SUPPORTS_HUGEPAGES
1488 1489 1490 1491
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
Linus Torvalds 已提交
1492 1493
config CPU_R6000
	bool "R6000"
1494
	depends on SYS_HAS_CPU_R6000
1495
	select CPU_SUPPORTS_32BIT_KERNEL
L
Linus Torvalds 已提交
1496 1497
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
Chris Dearman 已提交
1498
	  processors are extremely rare and the support for them is incomplete.
L
Linus Torvalds 已提交
1499 1500 1501

config CPU_NEVADA
	bool "RM52xx"
1502
	depends on SYS_HAS_CPU_NEVADA
1503 1504
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1505
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1506 1507 1508 1509 1510
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1511
	depends on SYS_HAS_CPU_R8000
1512
	select CPU_HAS_PREFETCH
1513
	select CPU_SUPPORTS_64BIT_KERNEL
L
Linus Torvalds 已提交
1514 1515 1516 1517 1518 1519
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1520
	depends on SYS_HAS_CPU_R10000
1521
	select CPU_HAS_PREFETCH
1522 1523
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1524
	select CPU_SUPPORTS_HIGHMEM
1525
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1526 1527 1528 1529 1530
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1531
	depends on SYS_HAS_CPU_RM7000
1532
	select CPU_HAS_PREFETCH
1533 1534
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1535
	select CPU_SUPPORTS_HIGHMEM
1536
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1537 1538 1539

config CPU_SB1
	bool "SB1"
1540
	depends on SYS_HAS_CPU_SB1
1541 1542
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
Ralf Baechle 已提交
1543
	select CPU_SUPPORTS_HIGHMEM
1544
	select CPU_SUPPORTS_HUGEPAGES
1545
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1546

1547 1548
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1549
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1550 1551 1552 1553
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1554
	select CPU_SUPPORTS_HUGEPAGES
1555
	select USB_EHCI_BIG_ENDIAN_MMIO
1556
	select MIPS_L1_CACHE_SHIFT_7
1557 1558 1559 1560 1561 1562
	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.

1563 1564 1565 1566
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1567
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1568 1569 1570 1571 1572 1573 1574 1575
	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1576
	select CPU_SUPPORTS_HIGHMEM
1577
	select CPU_HAS_PREFETCH
1578
	help
1579
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1580

1581 1582 1583 1584 1585 1586
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
1587
	select CPU_SUPPORTS_HUGEPAGES
1588 1589 1590 1591
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1592 1593 1594 1595 1596 1597 1598 1599 1600 1601

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
1602
	select CPU_MIPSR2
1603 1604
	help
	  Netlogic Microsystems XLP processors.
L
Linus Torvalds 已提交
1605 1606
endchoice

1607 1608 1609
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1610
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS32 architecture including features from the 3.5 release such as
	  support for Enhanced Virtual Addressing (EVA).

config CPU_MIPS32_3_5_EVA
	bool "Enhanced Virtual Addressing (EVA)"
	depends on CPU_MIPS32_3_5_FEATURES
	select EVA
	default y
	help
	  Choose this option if you want to enable the Enhanced Virtual
	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
	  One of its primary benefits is an increase in the maximum size
	  of lowmem (up to 3GB). If unsure, say 'N' here.

1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
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

1654 1655 1656 1657
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1658
	select HAVE_KERNEL_LZ4
1659
	select HAVE_KERNEL_LZMA
1660
	select HAVE_KERNEL_LZO
1661
	select HAVE_KERNEL_XZ
1662 1663 1664 1665 1666

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1667 1668 1669 1670 1671
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1672
	select CPU_SUPPORTS_HUGEPAGES
1673

1674 1675 1676 1677 1678 1679 1680
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1681
	select CPU_SUPPORTS_CPUFREQ
1682

1683
config CPU_BMIPS32_3300
1684
	select SMP_UP if SMP
1685
	bool
1686 1687 1688 1689 1690 1691 1692 1693

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1694
	select MIPS_L1_CACHE_SHIFT_6
1695 1696 1697 1698 1699 1700
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1701
	select MIPS_L1_CACHE_SHIFT_7
1702 1703
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1704

1705 1706 1707 1708
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ

1709
config SYS_HAS_CPU_LOONGSON2E
1710 1711
	bool

1712 1713
config SYS_HAS_CPU_LOONGSON2F
	bool
1714 1715
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1716
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1717

1718 1719 1720
config SYS_HAS_CPU_LOONGSON1B
	bool

1721 1722 1723 1724 1725 1726
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1727 1728 1729
config SYS_HAS_CPU_MIPS32_R3_5
	bool

1730 1731 1732
config SYS_HAS_CPU_MIPS32_R6
	bool

1733 1734 1735 1736 1737 1738
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1739 1740 1741
config SYS_HAS_CPU_MIPS64_R6
	bool

1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765
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

1766 1767 1768
config SYS_HAS_CPU_R5500
	bool

1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786
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

1787 1788 1789
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1790
config SYS_HAS_CPU_BMIPS
1791 1792
	bool

1793
config SYS_HAS_CPU_BMIPS32_3300
1794
	bool
1795
	select SYS_HAS_CPU_BMIPS
1796 1797 1798

config SYS_HAS_CPU_BMIPS4350
	bool
1799
	select SYS_HAS_CPU_BMIPS
1800 1801 1802

config SYS_HAS_CPU_BMIPS4380
	bool
1803
	select SYS_HAS_CPU_BMIPS
1804 1805 1806

config SYS_HAS_CPU_BMIPS5000
	bool
1807
	select SYS_HAS_CPU_BMIPS
1808

1809 1810 1811
config SYS_HAS_CPU_XLR
	bool

1812 1813 1814
config SYS_HAS_CPU_XLP
	bool

1815 1816 1817 1818 1819 1820
config MIPS_MALTA_PM
	depends on MIPS_MALTA
	depends on PCI
	bool
	default y

1821 1822 1823 1824
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1825 1826
config WEAK_ORDERING
	bool
1827 1828 1829 1830 1831 1832 1833

#
# 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
1834 1835 1836
endmenu

#
C
Chris Dearman 已提交
1837
# These two indicate any level of the MIPS32 and MIPS64 architecture
1838 1839 1840
#
config CPU_MIPS32
	bool
1841
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1842 1843 1844

config CPU_MIPS64
	bool
1845
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1846 1847

#
C
Chris Dearman 已提交
1848
# These two indicate the revision of the architecture, either Release 1 or Release 2
1849 1850 1851 1852 1853 1854 1855
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1856
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1857
	select MIPS_SPRAM
1858

1859 1860 1861
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1862
	select MIPS_SPRAM
1863

1864 1865 1866
config EVA
	bool

1867 1868 1869 1870 1871 1872 1873 1874
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1875 1876 1877 1878
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1879 1880
config CPU_SUPPORTS_HUGEPAGES
	bool
1881 1882
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1883 1884
config MIPS_PGD_C0_CONTEXT
	bool
1885
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1886

1887 1888 1889 1890 1891
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1892
       default y if CPU_MIPSR1 || CPU_MIPSR2
1893

1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917
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

1918 1919
config KVM_GUEST
	bool "KVM Guest Kernel"
1920
	depends on BROKEN_ON_SMP
1921 1922 1923
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

1924 1925
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
1926
	depends on KVM_GUEST
1927
	default 100
1928
	help
1929 1930 1931
	  Set this to non-zero if building a guest kernel for KVM to skip RTC
	  emulation when determining guest CPU Frequency. Instead, the guest's
	  timer frequency is specified directly.
1932

L
Linus Torvalds 已提交
1933 1934 1935 1936 1937 1938
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
1939
	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
L
Linus Torvalds 已提交
1940 1941 1942 1943 1944 1945 1946 1947
	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"
1948
	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1949 1950 1951
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
1952 1953
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
L
Linus Torvalds 已提交
1954 1955 1956

config PAGE_SIZE_16KB
	bool "16kB"
1957
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1958 1959 1960
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1961 1962
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
L
Linus Torvalds 已提交
1963

1964 1965 1966 1967 1968 1969 1970 1971 1972
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
1973 1974
config PAGE_SIZE_64KB
	bool "64kB"
1975
	depends on !CPU_R3000 && !CPU_TX39XX
L
Linus Torvalds 已提交
1976 1977 1978 1979
	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
1980
	  writing this option is still high experimental.
L
Linus Torvalds 已提交
1981 1982 1983

endchoice

1984 1985
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
1986 1987 1988 1989 1990 1991
	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
	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
2008 2009 2010 2011 2012 2013 2014
config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

2015 2016 2017 2018 2019 2020 2021
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

L
Linus Torvalds 已提交
2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038
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
2039
	bool
L
Linus Torvalds 已提交
2040

2041 2042 2043 2044
config CPU_GENERIC_DUMP_TLB
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)

F
Florian Fainelli 已提交
2045 2046 2047 2048
config CPU_R4K_FPU
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

2049 2050 2051 2052
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
2053
config MIPS_MT_SMP
2054
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2055
	depends on SYS_SUPPORTS_MULTITHREADING
2056
	select CPU_MIPSR2_IRQ_VI
2057
	select CPU_MIPSR2_IRQ_EI
2058
	select SYNC_R4K
2059
	select MIPS_GIC_IPI
2060
	select MIPS_MT
2061
	select SMP
2062
	select SMP_UP
2063 2064
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2065
	select MIPS_PERF_SHARED_TC_COUNTERS
2066
	help
2067 2068 2069 2070 2071
	  This is a kernel model which is known as SMVP. This is supported
	  on cores with the MT ASE and uses the available VPEs to implement
	  virtual processors which supports SMP. This is equivalent to the
	  Intel Hyperthreading feature. For further information go to
	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2072

2073 2074 2075
config MIPS_MT
	bool

2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
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

2088 2089 2090
config SYS_SUPPORTS_MULTITHREADING
	bool

R
Ralf Baechle 已提交
2091 2092 2093
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
R
Ralf Baechle 已提交
2094
	depends on MIPS_MT_SMP
2095

2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
	depends on CPU_MIPSR6 && !SMP
	default y
	help
	  Choose this option if you want to run non-R6 MIPS userland code.
	  Even if you say 'Y' here, the emulator will still be disabled by
	  default. You can enable it using the 'mipsr2emul' kernel option.
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.
comment "MIPS R2-to-R6 emulator is only available for UP kernels"
	depends on SMP && CPU_MIPSR6

2109 2110
config MIPS_VPE_LOADER
	bool "VPE loader support."
2111
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2112 2113 2114 2115 2116 2117
	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
2118

2119 2120 2121 2122 2123
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2124 2125 2126 2127 2128
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139
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.

config MIPS_VPE_APSP_API
2140 2141 2142
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
2143

2144 2145 2146 2147 2148
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2149 2150 2151 2152 2153
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2154
config MIPS_CMP
P
Paul Burton 已提交
2155
	bool "MIPS CMP framework support (DEPRECATED)"
R
Ralf Baechle 已提交
2156
	depends on SYS_SUPPORTS_MIPS_CMP
2157
	select MIPS_GIC_IPI
2158
	select SMP
2159
	select SYNC_R4K
2160
	select SYS_SUPPORTS_SMP
2161 2162 2163
	select WEAK_ORDERING
	default n
	help
2164 2165 2166
	  Select this if you are using a bootloader which implements the "CMP
	  framework" protocol (ie. YAMON) and want your kernel to make use of
	  its ability to start secondary CPUs.
2167

P
Paul Burton 已提交
2168 2169 2170
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2171 2172 2173 2174 2175
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
	depends on SYS_SUPPORTS_MIPS_CPS
	select MIPS_CM
	select MIPS_CPC
P
Paul Burton 已提交
2176
	select MIPS_CPS_PM if HOTPLUG_CPU
2177 2178 2179
	select MIPS_GIC_IPI
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
P
Paul Burton 已提交
2180
	select SYS_SUPPORTS_HOTPLUG_CPU
2181 2182 2183 2184 2185 2186 2187 2188 2189
	select SYS_SUPPORTS_SMP
	select WEAK_ORDERING
	help
	  Select this if you wish to run an SMP kernel across multiple cores
	  within a MIPS Coherent Processing System. When this option is
	  enabled the kernel will probe for other cores and boot them with
	  no external assistance. It is safe to enable this when hardware
	  support is unavailable.

2190
config MIPS_CPS_PM
2191
	depends on MIPS_CPS
2192
	select MIPS_CPC
2193 2194
	bool

2195 2196 2197
config MIPS_GIC_IPI
	bool

2198 2199 2200
config MIPS_CM
	bool

2201 2202
config MIPS_CPC
	bool
2203

L
Linus Torvalds 已提交
2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218
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

2219

2220
config ARCH_PHYS_ADDR_T_64BIT
2221
       bool
2222

2223 2224 2225 2226 2227 2228 2229 2230
choice
	prompt "SmartMIPS or microMIPS ASE support"

config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
	bool "None"
	help
	  Select this if you want neither microMIPS nor SmartMIPS support

2231 2232
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2233
	bool "SmartMIPS"
2234 2235 2236 2237 2238 2239 2240 2241 2242
	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.

2243
config CPU_MICROMIPS
2244
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2245
	bool "microMIPS"
2246 2247 2248 2249
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2250 2251
endchoice

P
Paul Burton 已提交
2252
config CPU_HAS_MSA
P
Paul Burton 已提交
2253
	bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
P
Paul Burton 已提交
2254
	depends on CPU_SUPPORTS_MSA
2255
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
P
Paul Burton 已提交
2256 2257 2258
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2259 2260 2261 2262 2263
	  is enabled the kernel will support allocating & switching MSA
	  vector register contexts. If you know that your kernel will only be
	  running on CPUs which do not support MSA or that your userland will
	  not be making use of it then you may wish to say N here to reduce
	  the size & complexity of your kernel.
P
Paul Burton 已提交
2264 2265 2266

	  If unsure, say Y.

L
Linus Torvalds 已提交
2267
config CPU_HAS_WB
2268
	bool
2269

2270 2271 2272
config XKS01
	bool

2273 2274 2275
#
# Vectored interrupt mode is an R2 feature
#
2276
config CPU_MIPSR2_IRQ_VI
2277
	bool
2278

2279 2280 2281
#
# Extended interrupt mode is an R2 feature
#
2282
config CPU_MIPSR2_IRQ_EI
2283
	bool
2284

L
Linus Torvalds 已提交
2285 2286 2287 2288 2289
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
#
# 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
2303 2304 2305 2306 2307 2308 2309 2310 2311
#
# - 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
2312 2313 2314
# - 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
2315 2316 2317
#
config HIGHMEM
	bool "High Memory Support"
2318
	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
R
Ralf Baechle 已提交
2319 2320 2321 2322 2323 2324

config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
L
Linus Torvalds 已提交
2325

2326 2327 2328
config SYS_SUPPORTS_SMARTMIPS
	bool

2329 2330 2331
config SYS_SUPPORTS_MICROMIPS
	bool

2332 2333 2334 2335 2336 2337 2338
config SYS_SUPPORTS_MIPS16
	bool
	help
	  This option must be set if a kernel might be executed on a MIPS16-
	  enabled CPU even if MIPS16 is not actually being used.  In other
	  words, it makes the kernel MIPS16-tolerant.

P
Paul Burton 已提交
2339 2340 2341
config CPU_SUPPORTS_MSA
	bool

2342 2343
config ARCH_FLATMEM_ENABLE
	def_bool y
2344
	depends on !NUMA && !CPU_LOONGSON2
2345

2346 2347 2348 2349
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2350
	  Say Y to support efficient handling of discontiguous physical memory,
2351 2352 2353 2354
	  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.

2355 2356
config ARCH_SPARSEMEM_ENABLE
	bool
A
Atsushi Nemoto 已提交
2357
	select SPARSEMEM_STATIC
2358

2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371
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
2372 2373 2374 2375 2376
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2377 2378
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
R
Ralf Baechle 已提交
2379
	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2380 2381 2382 2383 2384
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2385 2386
source "mm/Kconfig"

L
Linus Torvalds 已提交
2387 2388
config SMP
	bool "Multi-Processing support"
2389 2390
	depends on SYS_SUPPORTS_SMP
	help
L
Linus Torvalds 已提交
2391
	  This enables support for systems with more than one CPU. If you have
2392 2393
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
L
Linus Torvalds 已提交
2394

2395
	  If you say N here, the kernel will run on uni- and multiprocessor
L
Linus Torvalds 已提交
2396 2397
	  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,
2398
	  uniprocessor machines. On a uniprocessor machine, the kernel
L
Linus Torvalds 已提交
2399 2400 2401 2402 2403
	  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
2404 2405
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
2406 2407 2408

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

2409 2410 2411
config SMP_UP
	bool

2412 2413 2414
config SYS_SUPPORTS_MIPS_CMP
	bool

2415 2416 2417
config SYS_SUPPORTS_MIPS_CPS
	bool

2418 2419 2420
config SYS_SUPPORTS_SMP
	bool

2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435
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
2436
config NR_CPUS
J
Jayachandran C 已提交
2437 2438
	int "Maximum number of CPUs (2-256)"
	range 2 256
L
Linus Torvalds 已提交
2439
	depends on SMP
2440 2441 2442 2443 2444
	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
2445 2446 2447 2448
	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
2449 2450
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
2451 2452

	  This is purely to save memory - each supported CPU adds
2453 2454 2455
	  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
2456

2457 2458 2459
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2471
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530

	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
2531
source "kernel/Kconfig.preempt"
L
Linus Torvalds 已提交
2532

2533
config KEXEC
2534
	bool "Kexec system call"
2535 2536 2537
	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
2538
	  but it is independent of the system firmware.   And like a reboot
2539 2540
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
2541
	  The name comes from the similarity to the exec system call.
2542 2543 2544

	  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
2545 2546 2547
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2548

R
Ralf Baechle 已提交
2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571
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).

2572 2573
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2574
	depends on PROC_FS
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588
	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.

2589
config MIPS_O32_FP64_SUPPORT
2590
	bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602
	depends on 32BIT || MIPS32_O32
	help
	  When this is enabled, the kernel will support use of 64-bit floating
	  point registers with binaries using the O32 ABI along with the
	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
	  32-bit MIPS systems this support is at the cost of increasing the
	  size and complexity of the compiled FPU emulator. Thus if you are
	  running a MIPS32 system and know that none of your userland binaries
	  will require 64-bit floating point, you may wish to reduce the size
	  of your kernel & potentially improve FP emulation performance by
	  saying N here.

2603 2604 2605 2606 2607 2608 2609 2610
	  Although binutils currently supports use of this flag the details
	  concerning its effect upon the O32 ABI in userland are still being
	  worked on. In order to avoid userland becoming dependant upon current
	  behaviour before the details have been finalised, this option should
	  be considered experimental and only enabled by those working upon
	  said details.

	  If unsure, say N.
2611

2612
config USE_OF
2613
	bool
2614
	select OF
2615
	select OF_EARLY_FLATTREE
2616
	select IRQ_DOMAIN
2617

2618 2619 2620
config BUILTIN_DTB
	bool

2621 2622
endmenu

2623 2624 2625 2626 2627 2628 2629 2630
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2631 2632
source "init/Kconfig"

2633 2634
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
2635 2636
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

2637 2638
config HW_HAS_EISA
	bool
L
Linus Torvalds 已提交
2639 2640 2641 2642 2643 2644
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2645
	select PCI_DOMAINS
2646
	select NO_GENERIC_PCI_IOPORT_MAP
L
Linus Torvalds 已提交
2647 2648 2649 2650 2651 2652
	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.

2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
config HT_PCI
	bool "Support for HT-linked PCI"
	default y
	depends on CPU_LOONGSON3
	select PCI
	select PCI_DOMAINS
	help
	  Loongson family machines use Hyper-Transport bus for inter-core
	  connection and device connection. The PCI bus is a subordinate
	  linked at HT. Choose Y for Loongson-3 based machines.

L
Linus Torvalds 已提交
2664 2665 2666 2667 2668
config PCI_DOMAINS
	bool

source "drivers/pci/Kconfig"

2669 2670
source "drivers/pci/pcie/Kconfig"

L
Linus Torvalds 已提交
2671 2672 2673 2674 2675 2676 2677 2678 2679 2680
#
# 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"
2681
	depends on HW_HAS_EISA
L
Linus Torvalds 已提交
2682
	select ISA
2683
	select GENERIC_ISA_DMA
L
Linus Torvalds 已提交
2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702
	---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
2703 2704 2705 2706 2707 2708 2709 2710
	  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
2711 2712 2713 2714 2715

config MMU
	bool
	default y

2716 2717
config I8253
	bool
2718
	select CLKSRC_I8253
2719
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
2720
	select MIPS_EXTERNAL_TIMER
2721

2722 2723 2724
config ZONE_DMA
	bool

2725 2726 2727
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
2728 2729 2730 2731
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2732
config RAPIDIO
2733
	tristate "RapidIO support"
2734 2735 2736 2737 2738 2739 2740 2741
	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
2742 2743 2744 2745 2746 2747 2748 2749 2750 2751
endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
2752
	bool
L
Linus Torvalds 已提交
2753 2754 2755 2756

config COMPAT
	bool

2757 2758 2759
config SYSVIPC_COMPAT
	bool

L
Linus Torvalds 已提交
2760 2761
config MIPS32_O32
	bool "Kernel support for o32 binaries"
2762 2763 2764 2765 2766
	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
2767 2768 2769 2770 2771 2772 2773 2774 2775
	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"
2776
	depends on 64BIT
2777 2778 2779
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791
	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

2792 2793 2794 2795
endmenu

menu "Power management options"

W
Wu Zhangjin 已提交
2796 2797
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2798
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
2799

J
Johannes Berg 已提交
2800 2801
config ARCH_SUSPEND_POSSIBLE
	def_bool y
2802
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
2803

2804
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
2805

L
Linus Torvalds 已提交
2806 2807
endmenu

2808 2809 2810 2811
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
Paul Burton 已提交
2812 2813

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2814 2815
source "drivers/cpufreq/Kconfig"
endif
W
Wu Zhangjin 已提交
2816

P
Paul Burton 已提交
2817 2818 2819 2820
source "drivers/cpuidle/Kconfig"

endmenu

2821 2822
source "net/Kconfig"

L
Linus Torvalds 已提交
2823 2824
source "drivers/Kconfig"

2825 2826
source "drivers/firmware/Kconfig"

L
Linus Torvalds 已提交
2827 2828 2829 2830 2831 2832 2833 2834 2835
source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
2836 2837

source "arch/mips/kvm/Kconfig"