Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
ec7748b5 4 select HAVE_IDE
42d4b839 5 select HAVE_OPROFILE
88547001 6 select HAVE_ARCH_KGDB
1da177e4
LT
7 # Horrible source of confusion. Die, die, die ...
8 select EMBEDDED
90b02340 9 select RTC_LIB
1da177e4 10
875d43e7
RB
11mainmenu "Linux/MIPS Kernel Configuration"
12
1da177e4
LT
13menu "Machine selection"
14
5ac6da66
CL
15config ZONE_DMA
16 bool
5ac6da66 17
5e83d430
RB
18choice
19 prompt "System type"
20 default SGI_IP22
1da177e4 21
c3543e25
YY
22config MACH_ALCHEMY
23 bool "Alchemy processor based machines"
1da177e4 24
35189fad 25config BASLER_EXCITE
be91589e 26 bool "Basler eXcite smart camera"
42f77542 27 select CEVT_R4K
940f6b48 28 select CSRC_R4K
35189fad
RB
29 select DMA_COHERENT
30 select HW_HAS_PCI
31 select IRQ_CPU
32 select IRQ_CPU_RM7K
33 select IRQ_CPU_RM9K
663c3d90 34 select MIPS_RM9122
35189fad
RB
35 select SYS_HAS_CPU_RM9000
36 select SYS_SUPPORTS_32BIT_KERNEL
35189fad
RB
37 select SYS_SUPPORTS_BIG_ENDIAN
38 help
39 The eXcite is a smart camera platform manufactured by
be91589e 40 Basler Vision Technologies AG.
35189fad 41
1c0c13eb
AJ
42config BCM47XX
43 bool "BCM47XX based boards"
42f77542 44 select CEVT_R4K
940f6b48 45 select CSRC_R4K
1c0c13eb
AJ
46 select DMA_NONCOHERENT
47 select HW_HAS_PCI
48 select IRQ_CPU
49 select SYS_HAS_CPU_MIPS32_R1
50 select SYS_SUPPORTS_32BIT_KERNEL
51 select SYS_SUPPORTS_LITTLE_ENDIAN
52 select SSB
53 select SSB_DRIVER_MIPS
2f02c15a 54 select SSB_DRIVER_EXTIF
b06f3e19 55 select SSB_EMBEDDED
2f02c15a 56 select SSB_PCICORE_HOSTMODE if PCI
1c0c13eb 57 select GENERIC_GPIO
25e5fb97
AJ
58 select SYS_HAS_EARLY_PRINTK
59 select CFE
1c0c13eb
AJ
60 help
61 Support for BCM47XX based boards
62
1da177e4 63config MIPS_COBALT
3fa986fa 64 bool "Cobalt Server"
42f77542 65 select CEVT_R4K
940f6b48 66 select CSRC_R4K
1097c6ac 67 select CEVT_GT641XX
1da177e4
LT
68 select DMA_NONCOHERENT
69 select HW_HAS_PCI
d865bea4 70 select I8253
1da177e4
LT
71 select I8259
72 select IRQ_CPU
d5ab1a69 73 select IRQ_GT641XX
252161ec 74 select PCI_GT64XXX_PCI0
7cf8053b 75 select SYS_HAS_CPU_NEVADA
0a22e0d4 76 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 77 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 78 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 79 select SYS_SUPPORTS_LITTLE_ENDIAN
9fd32cfb 80 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
81
82config MACH_DECSTATION
3fa986fa 83 bool "DECstations"
1da177e4 84 select BOOT_ELF32
6457d9fc 85 select CEVT_DS1287
42f77542 86 select CEVT_R4K
4247417d 87 select CSRC_IOASIC
940f6b48 88 select CSRC_R4K
20d60d99
MR
89 select CPU_DADDI_WORKAROUNDS if 64BIT
90 select CPU_R4000_WORKAROUNDS if 64BIT
91 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 92 select DMA_NONCOHERENT
d388d685 93 select NO_IOPORT
1da177e4 94 select IRQ_CPU
7cf8053b
RB
95 select SYS_HAS_CPU_R3000
96 select SYS_HAS_CPU_R4X00
ed5ba2fb
YY
97 select SYS_SUPPORTS_32BIT_KERNEL
98 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 99 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
100 select SYS_SUPPORTS_128HZ
101 select SYS_SUPPORTS_256HZ
102 select SYS_SUPPORTS_1024HZ
5e83d430 103 help
1da177e4
LT
104 This enables support for DEC's MIPS based workstations. For details
105 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
106 DECstation porting pages on <http://decstation.unix-ag.org/>.
107
108 If you have one of the following DECstation Models you definitely
109 want to choose R4xx0 for the CPU Type:
110
9308816c
RB
111 DECstation 5000/50
112 DECstation 5000/150
113 DECstation 5000/260
114 DECsystem 5900/260
1da177e4
LT
115
116 otherwise choose R3000.
117
5e83d430 118config MACH_JAZZ
3fa986fa 119 bool "Jazz family of machines"
5e83d430
RB
120 select ARC
121 select ARC32
122 select ARCH_MAY_HAVE_PC_FDC
42f77542 123 select CEVT_R4K
940f6b48 124 select CSRC_R4K
e2defae5 125 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 126 select GENERIC_ISA_DMA
ea202c63 127 select IRQ_CPU
d865bea4 128 select I8253
5e83d430
RB
129 select I8259
130 select ISA
7cf8053b 131 select SYS_HAS_CPU_R4X00
5e83d430
RB
132 select SYS_SUPPORTS_32BIT_KERNEL
133 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1723b4a3 134 select SYS_SUPPORTS_100HZ
9fd32cfb 135 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4 136 help
5e83d430
RB
137 This a family of machines based on the MIPS R4030 chipset which was
138 used by several vendors to build RISC/os and Windows NT workstations.
139 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
140 Olivetti M700-10 workstations.
141
1f21d2bd
BM
142config LASAT
143 bool "LASAT Networks platforms"
42f77542 144 select CEVT_R4K
940f6b48 145 select CSRC_R4K
1f21d2bd
BM
146 select DMA_NONCOHERENT
147 select SYS_HAS_EARLY_PRINTK
148 select HW_HAS_PCI
a5ccfe5c 149 select IRQ_CPU
1f21d2bd
BM
150 select PCI_GT64XXX_PCI0
151 select MIPS_NILE4
152 select R5000_CPU_SCACHE
153 select SYS_HAS_CPU_R5000
154 select SYS_SUPPORTS_32BIT_KERNEL
155 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
156 select SYS_SUPPORTS_LITTLE_ENDIAN
157 select GENERIC_HARDIRQS_NO__DO_IRQ
158
ade299d8
YY
159config LEMOTE_FULONG
160 bool "Lemote Fulong mini-PC"
161 select ARCH_SPARSEMEM_ENABLE
42f77542 162 select CEVT_R4K
940f6b48 163 select CSRC_R4K
ade299d8
YY
164 select SYS_HAS_CPU_LOONGSON2
165 select DMA_NONCOHERENT
166 select BOOT_ELF32
167 select BOARD_SCACHE
168 select HAVE_STD_PC_SERIAL_PORT
169 select HW_HAS_PCI
170 select I8259
171 select ISA
172 select IRQ_CPU
173 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_LITTLE_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM
177 select SYS_HAS_EARLY_PRINTK
178 select GENERIC_HARDIRQS_NO__DO_IRQ
23dd6d35 179 select GENERIC_ISA_DMA_SUPPORT_BROKEN
ade299d8
YY
180 select CPU_HAS_WB
181 help
182 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
183 an FPGA northbridge
184
1da177e4 185config MIPS_MALTA
3fa986fa 186 bool "MIPS Malta board"
61ed242d 187 select ARCH_MAY_HAVE_PC_FDC
1da177e4 188 select BOOT_ELF32
fa71c960 189 select BOOT_RAW
42f77542 190 select CEVT_R4K
940f6b48 191 select CSRC_R4K
1da177e4
LT
192 select DMA_NONCOHERENT
193 select GENERIC_ISA_DMA
aa414dff 194 select IRQ_CPU
39b8d525 195 select IRQ_GIC
1da177e4 196 select HW_HAS_PCI
d865bea4 197 select I8253
1da177e4 198 select I8259
5e83d430
RB
199 select MIPS_BOARDS_GEN
200 select MIPS_BONITO64
9318c51a 201 select MIPS_CPU_SCACHE
252161ec 202 select PCI_GT64XXX_PCI0
5e83d430 203 select MIPS_MSC
1da177e4 204 select SWAP_IO_SPACE
7cf8053b
RB
205 select SYS_HAS_CPU_MIPS32_R1
206 select SYS_HAS_CPU_MIPS32_R2
207 select SYS_HAS_CPU_MIPS64_R1
208 select SYS_HAS_CPU_NEVADA
209 select SYS_HAS_CPU_RM7000
36a88530 210 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
211 select SYS_SUPPORTS_32BIT_KERNEL
212 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
213 select SYS_SUPPORTS_BIG_ENDIAN
214 select SYS_SUPPORTS_LITTLE_ENDIAN
4a16ff4c 215 select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
f41ae0b2 216 select SYS_SUPPORTS_MULTITHREADING
9693a853 217 select SYS_SUPPORTS_SMARTMIPS
1da177e4 218 help
f638d197 219 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
220 board.
221
5e83d430 222config MIPS_SIM
3fa986fa 223 bool 'MIPS simulator (MIPSsim)'
42f77542 224 select CEVT_R4K
940f6b48 225 select CSRC_R4K
1da177e4 226 select DMA_NONCOHERENT
36a88530 227 select SYS_HAS_EARLY_PRINTK
1da177e4 228 select IRQ_CPU
9267a30d 229 select BOOT_RAW
7cf8053b
RB
230 select SYS_HAS_CPU_MIPS32_R1
231 select SYS_HAS_CPU_MIPS32_R2
36a88530 232 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 233 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 234 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 235 select SYS_SUPPORTS_MULTITHREADING
5e83d430 236 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 237 help
5e83d430
RB
238 This option enables support for MIPS Technologies MIPSsim software
239 emulator.
1da177e4 240
cd741b60
SK
241config MACH_EMMA
242 bool "NEC EMMA series based machines"
ade299d8 243
5e83d430 244config MACH_VR41XX
74142d65 245 bool "NEC VR4100 series based machines"
42f77542 246 select CEVT_R4K
940f6b48 247 select CSRC_R4K
7cf8053b 248 select SYS_HAS_CPU_VR41XX
9fd32cfb 249 select GENERIC_HARDIRQS_NO__DO_IRQ
5e83d430 250
edb6310a
DL
251config NXP_STB220
252 bool "NXP STB220 board"
253 select SOC_PNX833X
254 help
255 Support for NXP Semiconductors STB220 Development Board.
256
257config NXP_STB225
258 bool "NXP 225 board"
259 select SOC_PNX833X
260 select SOC_PNX8335
261 help
262 Support for NXP Semiconductors STB225 Development Board.
263
ade299d8 264config PNX8550_JBS
a92b0588 265 bool "NXP PNX8550 based JBS board"
ade299d8
YY
266 select PNX8550
267 select SYS_SUPPORTS_LITTLE_ENDIAN
268
269config PNX8550_STB810
a92b0588 270 bool "NXP PNX8550 based STB810 board"
ade299d8
YY
271 select PNX8550
272 select SYS_SUPPORTS_LITTLE_ENDIAN
273
9267a30d
MSJ
274config PMC_MSP
275 bool "PMC-Sierra MSP chipsets"
276 depends on EXPERIMENTAL
277 select DMA_NONCOHERENT
278 select SWAP_IO_SPACE
279 select NO_EXCEPT_FILL
280 select BOOT_RAW
281 select SYS_HAS_CPU_MIPS32_R1
282 select SYS_HAS_CPU_MIPS32_R2
283 select SYS_SUPPORTS_32BIT_KERNEL
284 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
285 select IRQ_CPU
286 select SERIAL_8250
287 select SERIAL_8250_CONSOLE
288 help
289 This adds support for the PMC-Sierra family of Multi-Service
290 Processor System-On-A-Chips. These parts include a number
291 of integrated peripherals, interfaces and DSPs in addition to
292 a variety of MIPS cores.
293
5e83d430 294config PMC_YOSEMITE
3fa986fa 295 bool "PMC-Sierra Yosemite eval board"
42f77542 296 select CEVT_R4K
940f6b48 297 select CSRC_R4K
5e83d430
RB
298 select DMA_COHERENT
299 select HW_HAS_PCI
300 select IRQ_CPU
301 select IRQ_CPU_RM7K
302 select IRQ_CPU_RM9K
303 select SWAP_IO_SPACE
7cf8053b 304 select SYS_HAS_CPU_RM9000
36a88530 305 select SYS_HAS_EARLY_PRINTK
5e83d430
RB
306 select SYS_SUPPORTS_32BIT_KERNEL
307 select SYS_SUPPORTS_64BIT_KERNEL
308 select SYS_SUPPORTS_BIG_ENDIAN
309 select SYS_SUPPORTS_HIGHMEM
e73ea273 310 select SYS_SUPPORTS_SMP
5e83d430
RB
311 help
312 Yosemite is an evaluation board for the RM9000x2 processor
313 manufactured by PMC-Sierra.
1da177e4 314
1da177e4 315config SGI_IP22
3fa986fa 316 bool "SGI IP22 (Indy/Indigo2)"
1da177e4
LT
317 select ARC
318 select ARC32
319 select BOOT_ELF32
42f77542 320 select CEVT_R4K
940f6b48 321 select CSRC_R4K
e2defae5 322 select DEFAULT_SGI_PARTITION
1da177e4 323 select DMA_NONCOHERENT
5e83d430 324 select HW_HAS_EISA
d865bea4 325 select I8253
68de4803 326 select I8259
1da177e4
LT
327 select IP22_CPU_SCACHE
328 select IRQ_CPU
aa414dff 329 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
330 select SGI_HAS_I8042
331 select SGI_HAS_INDYDOG
36e5c21d 332 select SGI_HAS_HAL2
e2defae5
TB
333 select SGI_HAS_SEEQ
334 select SGI_HAS_WD93
335 select SGI_HAS_ZILOG
1da177e4 336 select SWAP_IO_SPACE
7cf8053b
RB
337 select SYS_HAS_CPU_R4X00
338 select SYS_HAS_CPU_R5000
36a88530 339 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
340 select SYS_SUPPORTS_32BIT_KERNEL
341 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 342 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
343 help
344 This are the SGI Indy, Challenge S and Indigo2, as well as certain
345 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
346 that runs on these, say Y here.
347
348config SGI_IP27
3fa986fa 349 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
350 select ARC
351 select ARC64
5e83d430 352 select BOOT_ELF64
e2defae5 353 select DEFAULT_SGI_PARTITION
1da177e4 354 select DMA_IP27
36a88530 355 select SYS_HAS_EARLY_PRINTK
1da177e4 356 select HW_HAS_PCI
130e2fb7 357 select NR_CPUS_DEFAULT_64
7cf8053b 358 select SYS_HAS_CPU_R10000
ed5ba2fb 359 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 360 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 361 select SYS_SUPPORTS_NUMA
1a5c5de1 362 select SYS_SUPPORTS_SMP
e77c232c 363 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
364 help
365 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
366 workstations. To compile a Linux kernel that runs on these, say Y
367 here.
368
e2defae5
TB
369config SGI_IP28
370 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
371 depends on EXPERIMENTAL
372 select ARC
373 select ARC64
374 select BOOT_ELF64
375 select CEVT_R4K
376 select CSRC_R4K
377 select DEFAULT_SGI_PARTITION
378 select DMA_NONCOHERENT
379 select GENERIC_ISA_DMA_SUPPORT_BROKEN
380 select IRQ_CPU
381 select HW_HAS_EISA
382 select I8253
383 select I8259
e2defae5
TB
384 select SGI_HAS_I8042
385 select SGI_HAS_INDYDOG
5b438c44 386 select SGI_HAS_HAL2
e2defae5
TB
387 select SGI_HAS_SEEQ
388 select SGI_HAS_WD93
389 select SGI_HAS_ZILOG
390 select SWAP_IO_SPACE
391 select SYS_HAS_CPU_R10000
392 select SYS_HAS_EARLY_PRINTK
393 select SYS_SUPPORTS_64BIT_KERNEL
394 select SYS_SUPPORTS_BIG_ENDIAN
395 help
396 This is the SGI Indigo2 with R10000 processor. To compile a Linux
397 kernel that runs on these, say Y here.
398
1da177e4 399config SGI_IP32
cfd2afc0 400 bool "SGI IP32 (O2)"
1da177e4
LT
401 select ARC
402 select ARC32
403 select BOOT_ELF32
42f77542 404 select CEVT_R4K
940f6b48 405 select CSRC_R4K
1da177e4
LT
406 select DMA_NONCOHERENT
407 select HW_HAS_PCI
dd67b155 408 select IRQ_CPU
1da177e4
LT
409 select R5000_CPU_SCACHE
410 select RM7000_CPU_SCACHE
7cf8053b
RB
411 select SYS_HAS_CPU_R5000
412 select SYS_HAS_CPU_R10000 if BROKEN
413 select SYS_HAS_CPU_RM7000
dd2f18fe 414 select SYS_HAS_CPU_NEVADA
ed5ba2fb 415 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 416 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 417 help
5e83d430 418 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 419
ade299d8
YY
420config SIBYTE_CRHINE
421 bool "Sibyte BCM91120C-CRhine"
422 depends on EXPERIMENTAL
9a6dcea1
AI
423 select BOOT_ELF32
424 select DMA_COHERENT
ade299d8 425 select SIBYTE_BCM1120
9a6dcea1 426 select SWAP_IO_SPACE
7cf8053b 427 select SYS_HAS_CPU_SB1
9a6dcea1
AI
428 select SYS_SUPPORTS_BIG_ENDIAN
429 select SYS_SUPPORTS_LITTLE_ENDIAN
430
ade299d8
YY
431config SIBYTE_CARMEL
432 bool "Sibyte BCM91120x-Carmel"
433 depends on EXPERIMENTAL
5e83d430 434 select BOOT_ELF32
1da177e4 435 select DMA_COHERENT
ade299d8 436 select SIBYTE_BCM1120
5e83d430 437 select SWAP_IO_SPACE
7cf8053b 438 select SYS_HAS_CPU_SB1
81731f79 439 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 440 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 441
ade299d8
YY
442config SIBYTE_CRHONE
443 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
444 depends on EXPERIMENTAL
445 select BOOT_ELF32
446 select DMA_COHERENT
ade299d8 447 select SIBYTE_BCM1125
5e83d430 448 select SWAP_IO_SPACE
7cf8053b 449 select SYS_HAS_CPU_SB1
5e83d430 450 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 451 select SYS_SUPPORTS_HIGHMEM
5e83d430 452 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 453
5e83d430 454config SIBYTE_RHONE
3fa986fa 455 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
456 depends on EXPERIMENTAL
457 select BOOT_ELF32
458 select DMA_COHERENT
459 select SIBYTE_BCM1125H
460 select SWAP_IO_SPACE
7cf8053b 461 select SYS_HAS_CPU_SB1
5e83d430
RB
462 select SYS_SUPPORTS_BIG_ENDIAN
463 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 464
ade299d8
YY
465config SIBYTE_SWARM
466 bool "Sibyte BCM91250A-SWARM"
5e83d430 467 select BOOT_ELF32
26a940e2 468 select DMA_COHERENT
ade299d8
YY
469 select NR_CPUS_DEFAULT_2
470 select SIBYTE_SB1250
5e83d430 471 select SWAP_IO_SPACE
7cf8053b 472 select SYS_HAS_CPU_SB1
5e83d430 473 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 474 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 475 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 476 select ZONE_DMA32 if 64BIT
e3ad1c23 477
ade299d8
YY
478config SIBYTE_LITTLESUR
479 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
480 depends on EXPERIMENTAL
481 select BOOT_ELF32
482 select DMA_COHERENT
130e2fb7 483 select NR_CPUS_DEFAULT_2
5e83d430
RB
484 select SIBYTE_SB1250
485 select SWAP_IO_SPACE
7cf8053b 486 select SYS_HAS_CPU_SB1
5e83d430
RB
487 select SYS_SUPPORTS_BIG_ENDIAN
488 select SYS_SUPPORTS_HIGHMEM
489 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 490
ade299d8
YY
491config SIBYTE_SENTOSA
492 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
493 depends on EXPERIMENTAL
494 select BOOT_ELF32
495 select DMA_COHERENT
130e2fb7 496 select NR_CPUS_DEFAULT_2
5e83d430
RB
497 select SIBYTE_SB1250
498 select SWAP_IO_SPACE
7cf8053b 499 select SYS_HAS_CPU_SB1
5e83d430 500 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 501 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 502
ade299d8
YY
503config SIBYTE_BIGSUR
504 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
505 select BOOT_ELF32
506 select DMA_COHERENT
ade299d8 507 select NR_CPUS_DEFAULT_4
ade299d8 508 select SIBYTE_BCM1x80
5e83d430 509 select SWAP_IO_SPACE
7cf8053b 510 select SYS_HAS_CPU_SB1
5e83d430 511 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 512 select SYS_SUPPORTS_HIGHMEM
5e83d430 513 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 514 select ZONE_DMA32 if 64BIT
1da177e4 515
14b36af4
TB
516config SNI_RM
517 bool "SNI RM200/300/400"
4a0312fc
TB
518 select ARC if CPU_LITTLE_ENDIAN
519 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 520 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 521 select ARCH_MAY_HAVE_PC_FDC
1da177e4 522 select BOOT_ELF32
42f77542 523 select CEVT_R4K
940f6b48 524 select CSRC_R4K
e2defae5 525 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
526 select DMA_NONCOHERENT
527 select GENERIC_ISA_DMA
5e83d430 528 select HW_HAS_EISA
1da177e4 529 select HW_HAS_PCI
c066a32a 530 select IRQ_CPU
d865bea4 531 select I8253
1da177e4
LT
532 select I8259
533 select ISA
4a0312fc 534 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 535 select SYS_HAS_CPU_R4X00
4a0312fc 536 select SYS_HAS_CPU_R5000
c066a32a 537 select SYS_HAS_CPU_R10000
4a0312fc 538 select R5000_CPU_SCACHE
36a88530 539 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
540 select SYS_SUPPORTS_32BIT_KERNEL
541 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 542 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 543 select SYS_SUPPORTS_HIGHMEM
5e83d430 544 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 545 help
14b36af4
TB
546 The SNI RM200/300/400 are MIPS-based machines manufactured by
547 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
548 Technology and now in turn merged with Fujitsu. Say Y here to
549 support this machine type.
550
edcaf1a6
AN
551config MACH_TX39XX
552 bool "Toshiba TX39 series based machines"
5e83d430 553
edcaf1a6
AN
554config MACH_TX49XX
555 bool "Toshiba TX49 series based machines"
5e83d430 556
73b4390f
RB
557config MIKROTIK_RB532
558 bool "Mikrotik RB532 boards"
559 select CEVT_R4K
560 select CSRC_R4K
561 select DMA_NONCOHERENT
562 select GENERIC_HARDIRQS_NO__DO_IRQ
563 select HW_HAS_PCI
564 select IRQ_CPU
565 select SYS_HAS_CPU_MIPS32_R1
566 select SYS_SUPPORTS_32BIT_KERNEL
567 select SYS_SUPPORTS_LITTLE_ENDIAN
568 select SWAP_IO_SPACE
569 select BOOT_RAW
d888e25b 570 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
571 help
572 Support the Mikrotik(tm) RouterBoard 532 series,
573 based on the IDT RC32434 SoC.
574
ade299d8
YY
575config WR_PPMC
576 bool "Wind River PPMC board"
42f77542 577 select CEVT_R4K
940f6b48 578 select CSRC_R4K
ade299d8
YY
579 select IRQ_CPU
580 select BOOT_ELF32
581 select DMA_NONCOHERENT
582 select HW_HAS_PCI
583 select PCI_GT64XXX_PCI0
584 select SWAP_IO_SPACE
585 select SYS_HAS_CPU_MIPS32_R1
586 select SYS_HAS_CPU_MIPS32_R2
587 select SYS_HAS_CPU_MIPS64_R1
588 select SYS_HAS_CPU_NEVADA
589 select SYS_HAS_CPU_RM7000
590 select SYS_SUPPORTS_32BIT_KERNEL
591 select SYS_SUPPORTS_64BIT_KERNEL
592 select SYS_SUPPORTS_BIG_ENDIAN
593 select SYS_SUPPORTS_LITTLE_ENDIAN
594 help
595 This enables support for the Wind River MIPS32 4KC PPMC evaluation
596 board, which is based on GT64120 bridge chip.
597
a86c7f72
DD
598config CAVIUM_OCTEON_SIMULATOR
599 bool "Support for the Cavium Networks Octeon Simulator"
600 select CEVT_R4K
601 select 64BIT_PHYS_ADDR
602 select DMA_COHERENT
603 select SYS_SUPPORTS_64BIT_KERNEL
604 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_HIGHMEM
606 select CPU_CAVIUM_OCTEON
607 help
608 The Octeon simulator is software performance model of the Cavium
609 Octeon Processor. It supports simulating Octeon processors on x86
610 hardware.
611
612config CAVIUM_OCTEON_REFERENCE_BOARD
613 bool "Support for the Cavium Networks Octeon reference board"
614 select CEVT_R4K
615 select 64BIT_PHYS_ADDR
616 select DMA_COHERENT
617 select SYS_SUPPORTS_64BIT_KERNEL
618 select SYS_SUPPORTS_BIG_ENDIAN
619 select SYS_SUPPORTS_HIGHMEM
620 select SYS_HAS_EARLY_PRINTK
621 select CPU_CAVIUM_OCTEON
622 select SWAP_IO_SPACE
623 help
624 This option supports all of the Octeon reference boards from Cavium
625 Networks. It builds a kernel that dynamically determines the Octeon
626 CPU type and supports all known board reference implementations.
627 Some of the supported boards are:
628 EBT3000
629 EBH3000
630 EBH3100
631 Thunder
632 Kodama
633 Hikari
634 Say Y here for most Octeon reference boards.
635
5e83d430 636endchoice
1da177e4 637
e8c7c482 638source "arch/mips/alchemy/Kconfig"
9c746edb 639source "arch/mips/basler/excite/Kconfig"
cd741b60 640source "arch/mips/emma/Kconfig"
5e83d430 641source "arch/mips/jazz/Kconfig"
1f21d2bd 642source "arch/mips/lasat/Kconfig"
5e83d430 643source "arch/mips/pmc-sierra/Kconfig"
29c48699 644source "arch/mips/sgi-ip27/Kconfig"
38b18f72 645source "arch/mips/sibyte/Kconfig"
22b1d707 646source "arch/mips/txx9/Kconfig"
5e83d430 647source "arch/mips/vr41xx/Kconfig"
a86c7f72 648source "arch/mips/cavium-octeon/Kconfig"
38b18f72 649
5e83d430
RB
650endmenu
651
1da177e4
LT
652config RWSEM_GENERIC_SPINLOCK
653 bool
654 default y
655
656config RWSEM_XCHGADD_ALGORITHM
657 bool
658
f0d1b0b3
DH
659config ARCH_HAS_ILOG2_U32
660 bool
661 default n
662
663config ARCH_HAS_ILOG2_U64
664 bool
665 default n
666
00a58253
RB
667config ARCH_SUPPORTS_OPROFILE
668 bool
669 default y if !MIPS_MT_SMTC
670
3c9ee7ef
AM
671config GENERIC_FIND_NEXT_BIT
672 bool
673 default y
674
675config GENERIC_HWEIGHT
676 bool
677 default y
678
1da177e4
LT
679config GENERIC_CALIBRATE_DELAY
680 bool
681 default y
682
7bcf7717
RB
683config GENERIC_CLOCKEVENTS
684 bool
685 default y
686
8db02010
RB
687config GENERIC_TIME
688 bool
689 default y
690
f5ff0a28
RB
691config GENERIC_CMOS_UPDATE
692 bool
693 default y
694
ae1e9130 695config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
696 bool
697 default y
698
e77c232c
FBH
699config GENERIC_HARDIRQS_NO__DO_IRQ
700 bool
701 default n
702
1da177e4
LT
703#
704# Select some configuration options automatically based on user selections.
705#
706config ARC
707 bool
1da177e4 708
61ed242d
RB
709config ARCH_MAY_HAVE_PC_FDC
710 bool
711
9267a30d
MSJ
712config BOOT_RAW
713 bool
714
217dd11e
RB
715config CEVT_BCM1480
716 bool
717
6457d9fc
YY
718config CEVT_DS1287
719 bool
720
1097c6ac
YY
721config CEVT_GT641XX
722 bool
723
779e7d41
ML
724config CEVT_R4K_LIB
725 bool
726
42f77542 727config CEVT_R4K
779e7d41 728 select CEVT_R4K_LIB
42f77542
RB
729 bool
730
217dd11e
RB
731config CEVT_SB1250
732 bool
733
229f773e
AN
734config CEVT_TXX9
735 bool
736
217dd11e
RB
737config CSRC_BCM1480
738 bool
739
4247417d
YY
740config CSRC_IOASIC
741 bool
742
779e7d41
ML
743config CSRC_R4K_LIB
744 bool
745
940f6b48 746config CSRC_R4K
779e7d41 747 select CSRC_R4K_LIB
940f6b48
RB
748 bool
749
217dd11e
RB
750config CSRC_SB1250
751 bool
752
a9aec7fe
AN
753config GPIO_TXX9
754 select GENERIC_GPIO
7444a72e 755 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
756 bool
757
df78b5c8
AJ
758config CFE
759 bool
760
4ce588cd 761config DMA_COHERENT
1da177e4
LT
762 bool
763
4ce588cd 764config DMA_IP27
1da177e4
LT
765 bool
766
4ce588cd
RB
767config DMA_NONCOHERENT
768 bool
769 select DMA_NEED_PCI_MAP_STATE
770
771config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
772 bool
773
774config EARLY_PRINTK
36a88530
RB
775 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
776 depends on SYS_HAS_EARLY_PRINTK
777 default y
778 help
779 This option enables special console drivers which allow the kernel
780 to print messages very early in the bootup process.
781
782 This is useful for kernel debugging when your machine crashes very
490dcc4d
RD
783 early before the console code is initialized. For normal operation,
784 it is not recommended because it looks ugly on some machines and
785 doesn't cooperate with an X server. You should normally say N here,
36a88530
RB
786 unless you want to debug such a crash.
787
788config SYS_HAS_EARLY_PRINTK
1da177e4 789 bool
1da177e4 790
dbb74540
RB
791config HOTPLUG_CPU
792 bool
793 default n
794
1da177e4
LT
795config I8259
796 bool
1da177e4 797
1da177e4
LT
798config MIPS_BONITO64
799 bool
1da177e4
LT
800
801config MIPS_MSC
802 bool
1da177e4 803
1f21d2bd
BM
804config MIPS_NILE4
805 bool
806
1da177e4
LT
807config MIPS_DISABLE_OBSOLETE_IDE
808 bool
809
39b8d525
RB
810config SYNC_R4K
811 bool
812
d388d685
MR
813config NO_IOPORT
814 def_bool n
815
8313da30
RB
816config GENERIC_ISA_DMA
817 bool
818 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
819
aa414dff
RB
820config GENERIC_ISA_DMA_SUPPORT_BROKEN
821 bool
8313da30 822 select GENERIC_ISA_DMA
aa414dff 823
09663335
YY
824config GENERIC_GPIO
825 bool
826
5e83d430 827#
3cb2fccc 828# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
829# answer,so we try hard to limit the available choices. Also the use of a
830# choice statement should be more obvious to the user.
831#
832choice
833 prompt "Endianess selection"
1da177e4
LT
834 help
835 Some MIPS machines can be configured for either little or big endian
5e83d430 836 byte order. These modes require different kernels and a different
3cb2fccc 837 Linux distribution. In general there is one preferred byteorder for a
5e83d430 838 particular system but some systems are just as commonly used in the
3dde6ad8 839 one or the other endianness.
5e83d430
RB
840
841config CPU_BIG_ENDIAN
842 bool "Big endian"
843 depends on SYS_SUPPORTS_BIG_ENDIAN
844
845config CPU_LITTLE_ENDIAN
846 bool "Little endian"
847 depends on SYS_SUPPORTS_LITTLE_ENDIAN
848 help
849
850endchoice
851
2116245e
RB
852config SYS_SUPPORTS_APM_EMULATION
853 bool
854
5e83d430
RB
855config SYS_SUPPORTS_BIG_ENDIAN
856 bool
857
858config SYS_SUPPORTS_LITTLE_ENDIAN
859 bool
1da177e4
LT
860
861config IRQ_CPU
862 bool
863
864config IRQ_CPU_RM7K
865 bool
866
5e83d430
RB
867config IRQ_CPU_RM9K
868 bool
869
9267a30d
MSJ
870config IRQ_MSP_SLP
871 bool
872
873config IRQ_MSP_CIC
874 bool
875
8420fd00
AN
876config IRQ_TXX9
877 bool
878
d5ab1a69
YY
879config IRQ_GT641XX
880 bool
881
39b8d525
RB
882config IRQ_GIC
883 bool
884
a86c7f72
DD
885config IRQ_CPU_OCTEON
886 bool
887
1da177e4
LT
888config MIPS_BOARDS_GEN
889 bool
1da177e4 890
252161ec 891config PCI_GT64XXX_PCI0
1da177e4 892 bool
1da177e4 893
9267a30d
MSJ
894config NO_EXCEPT_FILL
895 bool
896
663c3d90 897config MIPS_RM9122
898 bool
899 select SERIAL_RM9000
663c3d90 900
edb6310a
DL
901config SOC_PNX833X
902 bool
903 select CEVT_R4K
904 select CSRC_R4K
905 select IRQ_CPU
906 select DMA_NONCOHERENT
907 select SYS_HAS_CPU_MIPS32_R2
908 select SYS_SUPPORTS_32BIT_KERNEL
909 select SYS_SUPPORTS_LITTLE_ENDIAN
910 select SYS_SUPPORTS_BIG_ENDIAN
911 select GENERIC_HARDIRQS_NO__DO_IRQ
912 select GENERIC_GPIO
913 select CPU_MIPSR2_IRQ_VI
914
915config SOC_PNX8335
916 bool
917 select SOC_PNX833X
918
bdf21b18
PP
919config PNX8550
920 bool
921 select SOC_PNX8550
922
923config SOC_PNX8550
924 bool
bdf21b18
PP
925 select DMA_NONCOHERENT
926 select HW_HAS_PCI
b8c2a77c 927 select SYS_HAS_CPU_MIPS32_R1
36a88530 928 select SYS_HAS_EARLY_PRINTK
7cf8053b 929 select SYS_SUPPORTS_32BIT_KERNEL
e77c232c 930 select GENERIC_HARDIRQS_NO__DO_IRQ
4ead1681 931 select GENERIC_GPIO
bdf21b18 932
1da177e4
LT
933config SWAP_IO_SPACE
934 bool
935
355c471f 936config EMMA2RH
937 bool
938 depends on MARKEINS
939 default y
940
663c3d90 941config SERIAL_RM9000
942 bool
943
e2defae5
TB
944config SGI_HAS_INDYDOG
945 bool
946
5b438c44
TB
947config SGI_HAS_HAL2
948 bool
949
e2defae5
TB
950config SGI_HAS_SEEQ
951 bool
952
953config SGI_HAS_WD93
954 bool
955
956config SGI_HAS_ZILOG
957 bool
958
959config SGI_HAS_I8042
960 bool
961
962config DEFAULT_SGI_PARTITION
963 bool
964
5e83d430
RB
965config ARC32
966 bool
967
231a35d3
TB
968config SNIPROM
969 bool
970
1da177e4
LT
971config BOOT_ELF32
972 bool
1da177e4
LT
973
974config MIPS_L1_CACHE_SHIFT
975 int
73b4390f 976 default "4" if MACH_DECSTATION || MIKROTIK_RB532
a86c7f72 977 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
9267a30d 978 default "4" if PMC_MSP4200_EVAL
1da177e4
LT
979 default "5"
980
1da177e4
LT
981config HAVE_STD_PC_SERIAL_PORT
982 bool
983
1da177e4
LT
984config ARC_CONSOLE
985 bool "ARC console support"
e2defae5 986 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
987
988config ARC_MEMORY
989 bool
14b36af4 990 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
991 default y
992
993config ARC_PROMLIB
994 bool
e2defae5 995 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
996 default y
997
998config ARC64
999 bool
1da177e4
LT
1000
1001config BOOT_ELF64
1002 bool
1da177e4 1003
1da177e4
LT
1004menu "CPU selection"
1005
1006choice
1007 prompt "CPU type"
1008 default CPU_R4X00
1009
2a21c730
FZ
1010config CPU_LOONGSON2
1011 bool "Loongson 2"
1012 depends on SYS_HAS_CPU_LOONGSON2
1013 select CPU_SUPPORTS_32BIT_KERNEL
1014 select CPU_SUPPORTS_64BIT_KERNEL
1015 select CPU_SUPPORTS_HIGHMEM
1016 help
1017 The Loongson 2E processor implements the MIPS III instruction set
1018 with many extensions.
1019
6e760c8d
RB
1020config CPU_MIPS32_R1
1021 bool "MIPS32 Release 1"
7cf8053b 1022 depends on SYS_HAS_CPU_MIPS32_R1
f7062ddb 1023 select CPU_HAS_LLSC
6e760c8d 1024 select CPU_HAS_PREFETCH
797798c1 1025 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1026 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1027 help
5e83d430 1028 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1029 MIPS32 architecture. Most modern embedded systems with a 32-bit
1030 MIPS processor are based on a MIPS32 processor. If you know the
1031 specific type of processor in your system, choose those that one
1032 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1033 Release 2 of the MIPS32 architecture is available since several
1034 years so chances are you even have a MIPS32 Release 2 processor
1035 in which case you should choose CPU_MIPS32_R2 instead for better
1036 performance.
1037
1038config CPU_MIPS32_R2
1039 bool "MIPS32 Release 2"
7cf8053b 1040 depends on SYS_HAS_CPU_MIPS32_R2
f7062ddb 1041 select CPU_HAS_LLSC
1e5f1caa 1042 select CPU_HAS_PREFETCH
797798c1 1043 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1044 select CPU_SUPPORTS_HIGHMEM
6e760c8d 1045 help
5e83d430 1046 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1047 MIPS32 architecture. Most modern embedded systems with a 32-bit
1048 MIPS processor are based on a MIPS32 processor. If you know the
1049 specific type of processor in your system, choose those that one
1050 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1051
1052config CPU_MIPS64_R1
1053 bool "MIPS64 Release 1"
7cf8053b 1054 depends on SYS_HAS_CPU_MIPS64_R1
f7062ddb 1055 select CPU_HAS_LLSC
797798c1 1056 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1057 select CPU_SUPPORTS_32BIT_KERNEL
1058 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1059 select CPU_SUPPORTS_HIGHMEM
6e760c8d
RB
1060 help
1061 Choose this option to build a kernel for release 1 or later of the
1062 MIPS64 architecture. Many modern embedded systems with a 64-bit
1063 MIPS processor are based on a MIPS64 processor. If you know the
1064 specific type of processor in your system, choose those that one
1065 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1066 Release 2 of the MIPS64 architecture is available since several
1067 years so chances are you even have a MIPS64 Release 2 processor
1068 in which case you should choose CPU_MIPS64_R2 instead for better
1069 performance.
1070
1071config CPU_MIPS64_R2
1072 bool "MIPS64 Release 2"
7cf8053b 1073 depends on SYS_HAS_CPU_MIPS64_R2
f7062ddb 1074 select CPU_HAS_LLSC
797798c1 1075 select CPU_HAS_PREFETCH
1e5f1caa
RB
1076 select CPU_SUPPORTS_32BIT_KERNEL
1077 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1078 select CPU_SUPPORTS_HIGHMEM
1e5f1caa
RB
1079 help
1080 Choose this option to build a kernel for release 2 or later of the
1081 MIPS64 architecture. Many modern embedded systems with a 64-bit
1082 MIPS processor are based on a MIPS64 processor. If you know the
1083 specific type of processor in your system, choose those that one
1084 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1085
1086config CPU_R3000
1087 bool "R3000"
7cf8053b 1088 depends on SYS_HAS_CPU_R3000
f7062ddb 1089 select CPU_HAS_WB
ed5ba2fb 1090 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1091 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1092 help
1093 Please make sure to pick the right CPU type. Linux/MIPS is not
1094 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1095 *not* work on R4000 machines and vice versa. However, since most
1096 of the supported machines have an R4000 (or similar) CPU, R4x00
1097 might be a safe bet. If the resulting kernel does not work,
1098 try to recompile with R3000.
1099
1100config CPU_TX39XX
1101 bool "R39XX"
7cf8053b 1102 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1103 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1104
1105config CPU_VR41XX
1106 bool "R41xx"
7cf8053b 1107 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1108 select CPU_SUPPORTS_32BIT_KERNEL
1109 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1110 help
5e83d430 1111 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1112 Only choose this option if you have one of these processors as a
1113 kernel built with this option will not run on any other type of
1114 processor or vice versa.
1115
1116config CPU_R4300
1117 bool "R4300"
7cf8053b 1118 depends on SYS_HAS_CPU_R4300
f7062ddb 1119 select CPU_HAS_LLSC
ed5ba2fb
YY
1120 select CPU_SUPPORTS_32BIT_KERNEL
1121 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1122 help
1123 MIPS Technologies R4300-series processors.
1124
1125config CPU_R4X00
1126 bool "R4x00"
7cf8053b 1127 depends on SYS_HAS_CPU_R4X00
f7062ddb 1128 select CPU_HAS_LLSC
ed5ba2fb
YY
1129 select CPU_SUPPORTS_32BIT_KERNEL
1130 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1131 help
1132 MIPS Technologies R4000-series processors other than 4300, including
1133 the R4000, R4400, R4600, and 4700.
1134
1135config CPU_TX49XX
1136 bool "R49XX"
7cf8053b 1137 depends on SYS_HAS_CPU_TX49XX
f7062ddb 1138 select CPU_HAS_LLSC
de862b48 1139 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1140 select CPU_SUPPORTS_32BIT_KERNEL
1141 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1142
1143config CPU_R5000
1144 bool "R5000"
7cf8053b 1145 depends on SYS_HAS_CPU_R5000
f7062ddb 1146 select CPU_HAS_LLSC
ed5ba2fb
YY
1147 select CPU_SUPPORTS_32BIT_KERNEL
1148 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1149 help
1150 MIPS Technologies R5000-series processors other than the Nevada.
1151
1152config CPU_R5432
1153 bool "R5432"
7cf8053b 1154 depends on SYS_HAS_CPU_R5432
f7062ddb 1155 select CPU_HAS_LLSC
5e83d430
RB
1156 select CPU_SUPPORTS_32BIT_KERNEL
1157 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1158
542c1020
SK
1159config CPU_R5500
1160 bool "R5500"
1161 depends on SYS_HAS_CPU_R5500
1162 select CPU_HAS_LLSC
1163 select CPU_SUPPORTS_32BIT_KERNEL
1164 select CPU_SUPPORTS_64BIT_KERNEL
1165 help
1166 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1167 instruction set.
1168
1da177e4
LT
1169config CPU_R6000
1170 bool "R6000"
ed5ba2fb 1171 depends on EXPERIMENTAL
f7062ddb 1172 select CPU_HAS_LLSC
7cf8053b 1173 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1174 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1175 help
1176 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1177 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1178
1179config CPU_NEVADA
1180 bool "RM52xx"
7cf8053b 1181 depends on SYS_HAS_CPU_NEVADA
f7062ddb 1182 select CPU_HAS_LLSC
ed5ba2fb
YY
1183 select CPU_SUPPORTS_32BIT_KERNEL
1184 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1185 help
1186 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1187
1188config CPU_R8000
1189 bool "R8000"
ed5ba2fb 1190 depends on EXPERIMENTAL
7cf8053b 1191 depends on SYS_HAS_CPU_R8000
f7062ddb 1192 select CPU_HAS_LLSC
5e83d430 1193 select CPU_HAS_PREFETCH
ed5ba2fb 1194 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1195 help
1196 MIPS Technologies R8000 processors. Note these processors are
1197 uncommon and the support for them is incomplete.
1198
1199config CPU_R10000
1200 bool "R10000"
7cf8053b 1201 depends on SYS_HAS_CPU_R10000
f7062ddb 1202 select CPU_HAS_LLSC
5e83d430 1203 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1204 select CPU_SUPPORTS_32BIT_KERNEL
1205 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1206 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1207 help
1208 MIPS Technologies R10000-series processors.
1209
1210config CPU_RM7000
1211 bool "RM7000"
7cf8053b 1212 depends on SYS_HAS_CPU_RM7000
f7062ddb 1213 select CPU_HAS_LLSC
5e83d430 1214 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1215 select CPU_SUPPORTS_32BIT_KERNEL
1216 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1217 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1218
1219config CPU_RM9000
1220 bool "RM9000"
7cf8053b 1221 depends on SYS_HAS_CPU_RM9000
f7062ddb 1222 select CPU_HAS_LLSC
5e83d430 1223 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1224 select CPU_SUPPORTS_32BIT_KERNEL
1225 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1226 select CPU_SUPPORTS_HIGHMEM
0004a9df 1227 select WEAK_ORDERING
1da177e4
LT
1228
1229config CPU_SB1
1230 bool "SB1"
7cf8053b 1231 depends on SYS_HAS_CPU_SB1
f7062ddb 1232 select CPU_HAS_LLSC
ed5ba2fb
YY
1233 select CPU_SUPPORTS_32BIT_KERNEL
1234 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1235 select CPU_SUPPORTS_HIGHMEM
0004a9df 1236 select WEAK_ORDERING
1da177e4 1237
a86c7f72
DD
1238config CPU_CAVIUM_OCTEON
1239 bool "Cavium Octeon processor"
1240 select IRQ_CPU
1241 select IRQ_CPU_OCTEON
1242 select CPU_HAS_PREFETCH
1243 select CPU_SUPPORTS_64BIT_KERNEL
1244 select SYS_SUPPORTS_SMP
1245 select NR_CPUS_DEFAULT_16
1246 select WEAK_ORDERING
1247 select WEAK_REORDERING_BEYOND_LLSC
1248 select CPU_SUPPORTS_HIGHMEM
1249 help
1250 The Cavium Octeon processor is a highly integrated chip containing
1251 many ethernet hardware widgets for networking tasks. The processor
1252 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1253 Full details can be found at http://www.caviumnetworks.com.
1254
1da177e4
LT
1255endchoice
1256
2a21c730
FZ
1257config SYS_HAS_CPU_LOONGSON2
1258 bool
1259
7cf8053b
RB
1260config SYS_HAS_CPU_MIPS32_R1
1261 bool
1262
1263config SYS_HAS_CPU_MIPS32_R2
1264 bool
1265
1266config SYS_HAS_CPU_MIPS64_R1
1267 bool
1268
1269config SYS_HAS_CPU_MIPS64_R2
1270 bool
1271
1272config SYS_HAS_CPU_R3000
1273 bool
1274
1275config SYS_HAS_CPU_TX39XX
1276 bool
1277
1278config SYS_HAS_CPU_VR41XX
1279 bool
1280
1281config SYS_HAS_CPU_R4300
1282 bool
1283
1284config SYS_HAS_CPU_R4X00
1285 bool
1286
1287config SYS_HAS_CPU_TX49XX
1288 bool
1289
1290config SYS_HAS_CPU_R5000
1291 bool
1292
1293config SYS_HAS_CPU_R5432
1294 bool
1295
542c1020
SK
1296config SYS_HAS_CPU_R5500
1297 bool
1298
7cf8053b
RB
1299config SYS_HAS_CPU_R6000
1300 bool
1301
1302config SYS_HAS_CPU_NEVADA
1303 bool
1304
1305config SYS_HAS_CPU_R8000
1306 bool
1307
1308config SYS_HAS_CPU_R10000
1309 bool
1310
1311config SYS_HAS_CPU_RM7000
1312 bool
1313
1314config SYS_HAS_CPU_RM9000
1315 bool
1316
1317config SYS_HAS_CPU_SB1
1318 bool
1319
17099b11
RB
1320#
1321# CPU may reorder R->R, R->W, W->R, W->W
1322# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1323#
0004a9df
RB
1324config WEAK_ORDERING
1325 bool
17099b11
RB
1326
1327#
1328# CPU may reorder reads and writes beyond LL/SC
1329# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1330#
1331config WEAK_REORDERING_BEYOND_LLSC
1332 bool
5e83d430
RB
1333endmenu
1334
1335#
c09b47d8 1336# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1337#
1338config CPU_MIPS32
1339 bool
1340 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1341
1342config CPU_MIPS64
1343 bool
1344 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1345
1346#
c09b47d8 1347# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1348#
1349config CPU_MIPSR1
1350 bool
1351 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1352
1353config CPU_MIPSR2
1354 bool
a86c7f72 1355 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1356
1357config SYS_SUPPORTS_32BIT_KERNEL
1358 bool
1359config SYS_SUPPORTS_64BIT_KERNEL
1360 bool
1361config CPU_SUPPORTS_32BIT_KERNEL
1362 bool
1363config CPU_SUPPORTS_64BIT_KERNEL
1364 bool
1365
8192c9ea
DD
1366#
1367# Set to y for ptrace access to watch registers.
1368#
1369config HARDWARE_WATCHPOINTS
1370 bool
1371 default y if CPU_MIPS32 || CPU_MIPS64
1372
5e83d430
RB
1373menu "Kernel type"
1374
1375choice
1376
1377 prompt "Kernel code model"
1378 help
1379 You should only select this option if you have a workload that
1380 actually benefits from 64-bit processing or if your machine has
1381 large memory. You will only be presented a single option in this
1382 menu if your system does not support both 32-bit and 64-bit kernels.
1383
1384config 32BIT
1385 bool "32-bit kernel"
1386 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1387 select TRAD_SIGNALS
1388 help
1389 Select this option if you want to build a 32-bit kernel.
1390config 64BIT
1391 bool "64-bit kernel"
1392 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1393 help
1394 Select this option if you want to build a 64-bit kernel.
1395
1396endchoice
1397
1da177e4
LT
1398choice
1399 prompt "Kernel page size"
1400 default PAGE_SIZE_4KB
1401
1402config PAGE_SIZE_4KB
1403 bool "4kB"
1404 help
1405 This option select the standard 4kB Linux page size. On some
1406 R3000-family processors this is the only available page size. Using
1407 4kB page size will minimize memory consumption and is therefore
1408 recommended for low memory systems.
1409
1410config PAGE_SIZE_8KB
1411 bool "8kB"
1412 depends on EXPERIMENTAL && CPU_R8000
1413 help
1414 Using 8kB page size will result in higher performance kernel at
1415 the price of higher memory consumption. This option is available
1416 only on the R8000 processor. Not that at the time of this writing
1417 this option is still high experimental; there are also issues with
1418 compatibility of user applications.
1419
1420config PAGE_SIZE_16KB
1421 bool "16kB"
714bfad6 1422 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1423 help
1424 Using 16kB page size will result in higher performance kernel at
1425 the price of higher memory consumption. This option is available on
714bfad6
RB
1426 all non-R3000 family processors. Note that you will need a suitable
1427 Linux distribution to support this.
1da177e4
LT
1428
1429config PAGE_SIZE_64KB
1430 bool "64kB"
1431 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1432 help
1433 Using 64kB page size will result in higher performance kernel at
1434 the price of higher memory consumption. This option is available on
1435 all non-R3000 family processor. Not that at the time of this
714bfad6 1436 writing this option is still high experimental.
1da177e4
LT
1437
1438endchoice
1439
1440config BOARD_SCACHE
1441 bool
1442
1443config IP22_CPU_SCACHE
1444 bool
1445 select BOARD_SCACHE
1446
9318c51a
CD
1447#
1448# Support for a MIPS32 / MIPS64 style S-caches
1449#
1450config MIPS_CPU_SCACHE
1451 bool
1452 select BOARD_SCACHE
1453
1da177e4
LT
1454config R5000_CPU_SCACHE
1455 bool
1456 select BOARD_SCACHE
1457
1458config RM7000_CPU_SCACHE
1459 bool
1460 select BOARD_SCACHE
1461
1462config SIBYTE_DMA_PAGEOPS
1463 bool "Use DMA to clear/copy pages"
1464 depends on CPU_SB1
1465 help
1466 Instead of using the CPU to zero and copy pages, use a Data Mover
1467 channel. These DMA channels are otherwise unused by the standard
1468 SiByte Linux port. Seems to give a small performance benefit.
1469
1470config CPU_HAS_PREFETCH
c8094b53 1471 bool
1da177e4 1472
340ee4b9
RB
1473choice
1474 prompt "MIPS MT options"
f41ae0b2
RB
1475
1476config MIPS_MT_DISABLED
1477 bool "Disable multithreading support."
1478 help
1479 Use this option if your workload can't take advantage of
1480 MIPS hardware multithreading support. On systems that don't have
1481 the option of an MT-enabled processor this option will be the only
1482 option in this menu.
340ee4b9 1483
59d6ab86
RB
1484config MIPS_MT_SMP
1485 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1486 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1487 select CPU_MIPSR2_IRQ_VI
d725cf38 1488 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1489 select MIPS_MT
f510aa3b 1490 select NR_CPUS_DEFAULT_2
41c594ab 1491 select SMP
0ab7aefc 1492 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1493 select SYS_SUPPORTS_SMP
87353d8a 1494 select SMP_UP
f41ae0b2 1495 help
59d6ab86
RB
1496 This is a kernel model which is also known a VSMP or lately
1497 has been marketesed into SMVP.
41c594ab 1498
59d6ab86
RB
1499config MIPS_MT_SMTC
1500 bool "SMTC: Use all TCs on all VPEs for SMP"
1501 depends on CPU_MIPS32_R2
1502 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1503 depends on SYS_SUPPORTS_MULTITHREADING
1504 select CPU_MIPSR2_IRQ_VI
d725cf38 1505 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1506 select MIPS_MT
130e2fb7 1507 select NR_CPUS_DEFAULT_8
340ee4b9 1508 select SMP
73b76c78 1509 select SYS_SUPPORTS_SMP
87353d8a 1510 select SMP_UP
f41ae0b2 1511 help
59d6ab86
RB
1512 This is a kernel model which is known a SMTC or lately has been
1513 marketesed into SMVP.
340ee4b9 1514
340ee4b9
RB
1515endchoice
1516
f41ae0b2
RB
1517config MIPS_MT
1518 bool
1519
0ab7aefc
RB
1520config SCHED_SMT
1521 bool "SMT (multithreading) scheduler support"
1522 depends on SYS_SUPPORTS_SCHED_SMT
1523 default n
1524 help
1525 SMT scheduler support improves the CPU scheduler's decision making
1526 when dealing with MIPS MT enabled cores at a cost of slightly
1527 increased overhead in some places. If unsure say N here.
1528
1529config SYS_SUPPORTS_SCHED_SMT
1530 bool
1531
1532
f41ae0b2
RB
1533config SYS_SUPPORTS_MULTITHREADING
1534 bool
1535
f088fc84
RB
1536config MIPS_MT_FPAFF
1537 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1538 default y
07cc0c9e
RB
1539 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1540
1541config MIPS_VPE_LOADER
1542 bool "VPE loader support."
1543 depends on SYS_SUPPORTS_MULTITHREADING
1544 select CPU_MIPSR2_IRQ_VI
1545 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1546 select MIPS_MT
1547 help
1548 Includes a loader for loading an elf relocatable object
1549 onto another VPE and running it.
f088fc84 1550
0db34215
KK
1551config MIPS_MT_SMTC_IM_BACKSTOP
1552 bool "Use per-TC register bits as backstop for inhibited IM bits"
1553 depends on MIPS_MT_SMTC
8531a35e 1554 default n
0db34215
KK
1555 help
1556 To support multiple TC microthreads acting as "CPUs" within
1557 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1558 during interrupt handling. To support legacy drivers and interrupt
1559 controller management code, SMTC has a "backstop" to track and
1560 if necessary restore the interrupt mask. This has some performance
8531a35e 1561 impact on interrupt service overhead.
0db34215 1562
f571eff0
KK
1563config MIPS_MT_SMTC_IRQAFF
1564 bool "Support IRQ affinity API"
1565 depends on MIPS_MT_SMTC
1566 default n
1567 help
1568 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1569 for SMTC Linux kernel. Requires platform support, of which
1570 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1571 platform code. Adds some overhead to interrupt dispatch, and
1572 should be used only if you know what you are doing.
f571eff0 1573
e01402b1
RB
1574config MIPS_VPE_LOADER_TOM
1575 bool "Load VPE program into memory hidden from linux"
1576 depends on MIPS_VPE_LOADER
1577 default y
1578 help
1579 The loader can use memory that is present but has been hidden from
1580 Linux using the kernel command line option "mem=xxMB". It's up to
1581 you to ensure the amount you put in the option and the space your
1582 program requires is less or equal to the amount physically present.
1583
1584# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1585config MIPS_VPE_APSP_API
5e83d430
RB
1586 bool "Enable support for AP/SP API (RTLX)"
1587 depends on MIPS_VPE_LOADER
1588 help
e01402b1 1589
2600990e
RB
1590config MIPS_APSP_KSPD
1591 bool "Enable KSPD"
1592 depends on MIPS_VPE_APSP_API
1593 default y
1594 help
1595 KSPD is a kernel daemon that accepts syscall requests from the SP
1596 side, actions them and returns the results. It also handles the
1597 "exit" syscall notifying other kernel modules the SP program is
1598 exiting. You probably want to say yes here.
1599
4a16ff4c
RB
1600config MIPS_CMP
1601 bool "MIPS CMP framework support"
1602 depends on SYS_SUPPORTS_MIPS_CMP
1603 select SYNC_R4K if BROKEN
1604 select SYS_SUPPORTS_SMP
1605 select SYS_SUPPORTS_SCHED_SMT if SMP
1606 select WEAK_ORDERING
1607 default n
1608 help
1609 This is a placeholder option for the GCMP work. It will need to
1610 be handled differently...
1611
1da177e4
LT
1612config SB1_PASS_1_WORKAROUNDS
1613 bool
1614 depends on CPU_SB1_PASS_1
1615 default y
1616
1617config SB1_PASS_2_WORKAROUNDS
1618 bool
1619 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1620 default y
1621
1622config SB1_PASS_2_1_WORKAROUNDS
1623 bool
1624 depends on CPU_SB1 && CPU_SB1_PASS_2
1625 default y
1626
1627config 64BIT_PHYS_ADDR
d806cb2b 1628 bool
1da177e4 1629
1da177e4 1630config CPU_HAS_LLSC
f7062ddb 1631 bool
1da177e4 1632
9693a853
FBH
1633config CPU_HAS_SMARTMIPS
1634 depends on SYS_SUPPORTS_SMARTMIPS
1635 bool "Support for the SmartMIPS ASE"
1636 help
1637 SmartMIPS is a extension of the MIPS32 architecture aimed at
1638 increased security at both hardware and software level for
1639 smartcards. Enabling this option will allow proper use of the
1640 SmartMIPS instructions by Linux applications. However a kernel with
1641 this option will not work on a MIPS core without SmartMIPS core. If
1642 you don't know you probably don't have SmartMIPS and should say N
1643 here.
1644
1da177e4 1645config CPU_HAS_WB
f7062ddb 1646 bool
e01402b1 1647
f41ae0b2
RB
1648#
1649# Vectored interrupt mode is an R2 feature
1650#
e01402b1 1651config CPU_MIPSR2_IRQ_VI
f41ae0b2 1652 bool
e01402b1 1653
f41ae0b2
RB
1654#
1655# Extended interrupt mode is an R2 feature
1656#
e01402b1 1657config CPU_MIPSR2_IRQ_EI
f41ae0b2 1658 bool
e01402b1 1659
1da177e4
LT
1660config CPU_HAS_SYNC
1661 bool
1662 depends on !CPU_R3000
1663 default y
1664
ea580401
RB
1665config GENERIC_CLOCKEVENTS_BROADCAST
1666 bool
1667
20d60d99
MR
1668#
1669# CPU non-features
1670#
1671config CPU_DADDI_WORKAROUNDS
1672 bool
1673
1674config CPU_R4000_WORKAROUNDS
1675 bool
1676 select CPU_R4400_WORKAROUNDS
1677
1678config CPU_R4400_WORKAROUNDS
1679 bool
1680
797798c1
RB
1681#
1682# Use the generic interrupt handling code in kernel/irq/:
1683#
1684config GENERIC_HARDIRQS
1685 bool
1686 default y
1687
1688config GENERIC_IRQ_PROBE
1689 bool
1690 default y
1691
0d7012a9 1692config IRQ_PER_CPU
0d7012a9 1693 bool
0d7012a9 1694
1da177e4
LT
1695#
1696# - Highmem only makes sense for the 32-bit kernel.
1697# - The current highmem code will only work properly on physically indexed
1698# caches such as R3000, SB1, R7000 or those that look like they're virtually
1699# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1700# moment we protect the user and offer the highmem option only on machines
1701# where it's known to be safe. This will not offer highmem on a few systems
1702# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1703# indexed CPUs but we're playing safe.
797798c1
RB
1704# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1705# know they might have memory configurations that could make use of highmem
1706# support.
1da177e4
LT
1707#
1708config HIGHMEM
1709 bool "High Memory Support"
797798c1
RB
1710 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1711
1712config CPU_SUPPORTS_HIGHMEM
1713 bool
1714
1715config SYS_SUPPORTS_HIGHMEM
1716 bool
1da177e4 1717
9693a853
FBH
1718config SYS_SUPPORTS_SMARTMIPS
1719 bool
1720
b4819b59
YY
1721config ARCH_FLATMEM_ENABLE
1722 def_bool y
1723 depends on !NUMA
1724
d8cb4e11
RB
1725config ARCH_DISCONTIGMEM_ENABLE
1726 bool
1727 default y if SGI_IP27
1728 help
3dde6ad8 1729 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1730 for architectures which are either NUMA (Non-Uniform Memory Access)
1731 or have huge holes in the physical address space for other reasons.
1732 See <file:Documentation/vm/numa> for more.
1733
cce335ae
RB
1734config ARCH_POPULATES_NODE_MAP
1735 def_bool y
1736
31473747
AN
1737config ARCH_SPARSEMEM_ENABLE
1738 bool
7de58fab 1739 select SPARSEMEM_STATIC
31473747 1740
d8cb4e11
RB
1741config NUMA
1742 bool "NUMA Support"
1743 depends on SYS_SUPPORTS_NUMA
1744 help
1745 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1746 Access). This option improves performance on systems with more
1747 than two nodes; on two node systems it is generally better to
1748 leave it disabled; on single node systems disable this option
1749 disabled.
1750
1751config SYS_SUPPORTS_NUMA
1752 bool
1753
c80d79d7
YG
1754config NODES_SHIFT
1755 int
1756 default "6"
1757 depends on NEED_MULTIPLE_NODES
1758
b4819b59
YY
1759source "mm/Kconfig"
1760
1da177e4
LT
1761config SMP
1762 bool "Multi-Processing support"
e73ea273 1763 depends on SYS_SUPPORTS_SMP
b4b30a5a 1764 select IRQ_PER_CPU
2f304c0a 1765 select USE_GENERIC_SMP_HELPERS
e73ea273 1766 help
1da177e4
LT
1767 This enables support for systems with more than one CPU. If you have
1768 a system with only one CPU, like most personal computers, say N. If
1769 you have a system with more than one CPU, say Y.
1770
1771 If you say N here, the kernel will run on single and multiprocessor
1772 machines, but will use only one CPU of a multiprocessor machine. If
1773 you say Y here, the kernel will run on many, but not all,
1774 singleprocessor machines. On a singleprocessor machine, the kernel
1775 will run faster if you say N here.
1776
1777 People using multiprocessor machines who say Y here should also say
1778 Y to "Enhanced Real Time Clock Support", below.
1779
03502faa
AB
1780 See also the SMP-HOWTO available at
1781 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1782
1783 If you don't know what to do here, say N.
1784
87353d8a
RB
1785config SMP_UP
1786 bool
1787
4a16ff4c
RB
1788config SYS_SUPPORTS_MIPS_CMP
1789 bool
1790
e73ea273
RB
1791config SYS_SUPPORTS_SMP
1792 bool
1793
72ede9b1
AN
1794config NR_CPUS_DEFAULT_1
1795 bool
1796
130e2fb7
RB
1797config NR_CPUS_DEFAULT_2
1798 bool
1799
1800config NR_CPUS_DEFAULT_4
1801 bool
1802
1803config NR_CPUS_DEFAULT_8
1804 bool
1805
1806config NR_CPUS_DEFAULT_16
1807 bool
1808
1809config NR_CPUS_DEFAULT_32
1810 bool
1811
1812config NR_CPUS_DEFAULT_64
1813 bool
1814
1da177e4
LT
1815config NR_CPUS
1816 int "Maximum number of CPUs (2-64)"
72ede9b1 1817 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1818 depends on SMP
72ede9b1 1819 default "1" if NR_CPUS_DEFAULT_1
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RB
1820 default "2" if NR_CPUS_DEFAULT_2
1821 default "4" if NR_CPUS_DEFAULT_4
1822 default "8" if NR_CPUS_DEFAULT_8
1823 default "16" if NR_CPUS_DEFAULT_16
1824 default "32" if NR_CPUS_DEFAULT_32
1825 default "64" if NR_CPUS_DEFAULT_64
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LT
1826 help
1827 This allows you to specify the maximum number of CPUs which this
1828 kernel will support. The maximum supported value is 32 for 32-bit
1829 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1830 sense is 1 for Qemu (useful only for kernel debugging purposes)
1831 and 2 for all others.
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LT
1832
1833 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1834 approximately eight kilobytes to the kernel image. For best
1835 performance should round up your number of processors to the next
1836 power of two.
1da177e4 1837
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AN
1838source "kernel/time/Kconfig"
1839
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AN
1840#
1841# Timer Interrupt Frequency Configuration
1842#
1843
1844choice
1845 prompt "Timer frequency"
1846 default HZ_250
1847 help
1848 Allows the configuration of the timer frequency.
1849
1850 config HZ_48
0f873585 1851 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
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AN
1852
1853 config HZ_100
1854 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1855
1856 config HZ_128
1857 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1858
1859 config HZ_250
1860 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1861
1862 config HZ_256
1863 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1864
1865 config HZ_1000
1866 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1867
1868 config HZ_1024
1869 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1870
1871endchoice
1872
1873config SYS_SUPPORTS_48HZ
1874 bool
1875
1876config SYS_SUPPORTS_100HZ
1877 bool
1878
1879config SYS_SUPPORTS_128HZ
1880 bool
1881
1882config SYS_SUPPORTS_250HZ
1883 bool
1884
1885config SYS_SUPPORTS_256HZ
1886 bool
1887
1888config SYS_SUPPORTS_1000HZ
1889 bool
1890
1891config SYS_SUPPORTS_1024HZ
1892 bool
1893
1894config SYS_SUPPORTS_ARBIT_HZ
1895 bool
1896 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1897 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1898 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1899 !SYS_SUPPORTS_1024HZ
1900
1901config HZ
1902 int
1903 default 48 if HZ_48
1904 default 100 if HZ_100
1905 default 128 if HZ_128
1906 default 250 if HZ_250
1907 default 256 if HZ_256
1908 default 1000 if HZ_1000
1909 default 1024 if HZ_1024
1910
e80de850 1911source "kernel/Kconfig.preempt"
1da177e4 1912
1da177e4
LT
1913config MIPS_INSANE_LARGE
1914 bool "Support for large 64-bit configurations"
875d43e7 1915 depends on CPU_R10000 && 64BIT
1da177e4
LT
1916 help
1917 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1918 previous 64-bit processors which only supported 40 bit / 1TB. If you
1919 need processes of more than 1TB virtual address space, say Y here.
1920 This will result in additional memory usage, so it is not
1921 recommended for normal users.
1922
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1923config KEXEC
1924 bool "Kexec system call (EXPERIMENTAL)"
1925 depends on EXPERIMENTAL
1926 help
1927 kexec is a system call that implements the ability to shutdown your
1928 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 1929 but it is independent of the system firmware. And like a reboot
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1930 you can start any kernel with it, not just Linux.
1931
01dd2fbf 1932 The name comes from the similarity to the exec system call.
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AN
1933
1934 It is an ongoing process to be certain the hardware in a machine
1935 is properly shutdown, so do not be surprised if this code does not
1936 initially work for you. It may help to enable device hotplugging
1937 support. As of this writing the exact hardware interface is
1938 strongly in flux, so no good recommendation can be made.
1939
1940config SECCOMP
1941 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 1942 depends on PROC_FS
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AN
1943 default y
1944 help
1945 This kernel feature is useful for number crunching applications
1946 that may need to compute untrusted bytecode during their
1947 execution. By using pipes or other transports made available to
1948 the process as file descriptors supporting the read/write
1949 syscalls, it's possible to isolate those applications in
1950 their own address space using seccomp. Once seccomp is
1951 enabled via /proc/<pid>/seccomp, it cannot be disabled
1952 and the task is only allowed to execute a few safe syscalls
1953 defined by each seccomp mode.
1954
1955 If unsure, say Y. Only embedded should say N here.
1956
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RB
1957endmenu
1958
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LT
1959config RWSEM_GENERIC_SPINLOCK
1960 bool
1961 default y
1962
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AN
1963config LOCKDEP_SUPPORT
1964 bool
1965 default y
1966
1967config STACKTRACE_SUPPORT
1968 bool
1969 default y
1970
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RB
1971source "init/Kconfig"
1972
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AN
1973config PROBE_INITRD_HEADER
1974 bool "Probe initrd header created by addinitrd"
1975 depends on BLK_DEV_INITRD
1976 help
1977 Probe initrd header at the last page of kernel image.
1978 Say Y here if you are using arch/mips/boot/addinitrd.c to
1979 add initrd or initramfs image to the kernel image.
1980 Otherwise, say N.
1981
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MH
1982source "kernel/Kconfig.freezer"
1983
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LT
1984menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1985
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RB
1986config HW_HAS_EISA
1987 bool
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LT
1988config HW_HAS_PCI
1989 bool
1990
1991config PCI
1992 bool "Support for PCI controller"
1993 depends on HW_HAS_PCI
abb4ae46 1994 select PCI_DOMAINS
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LT
1995 help
1996 Find out whether you have a PCI motherboard. PCI is the name of a
1997 bus system, i.e. the way the CPU talks to the other stuff inside
1998 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1999 say Y, otherwise N.
2000
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LT
2001config PCI_DOMAINS
2002 bool
1da177e4
LT
2003
2004source "drivers/pci/Kconfig"
2005
2006#
2007# ISA support is now enabled via select. Too many systems still have the one
2008# or other ISA chip on the board that users don't know about so don't expect
2009# users to choose the right thing ...
2010#
2011config ISA
2012 bool
2013
2014config EISA
2015 bool "EISA support"
5e83d430 2016 depends on HW_HAS_EISA
1da177e4 2017 select ISA
aa414dff 2018 select GENERIC_ISA_DMA
1da177e4
LT
2019 ---help---
2020 The Extended Industry Standard Architecture (EISA) bus was
2021 developed as an open alternative to the IBM MicroChannel bus.
2022
2023 The EISA bus provided some of the features of the IBM MicroChannel
2024 bus while maintaining backward compatibility with cards made for
2025 the older ISA bus. The EISA bus saw limited use between 1988 and
2026 1995 when it was made obsolete by the PCI bus.
2027
2028 Say Y here if you are building a kernel for an EISA-based machine.
2029
2030 Otherwise, say N.
2031
2032source "drivers/eisa/Kconfig"
2033
2034config TC
2035 bool "TURBOchannel support"
2036 depends on MACH_DECSTATION
2037 help
2038 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2039 processors. Documentation on writing device drivers for TurboChannel
2040 is available at:
2041 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2042
2043#config ACCESSBUS
2044# bool "Access.Bus support"
2045# depends on TC
2046
2047config MMU
2048 bool
2049 default y
2050
d865bea4
RB
2051config I8253
2052 bool
2053
cce335ae
RB
2054config ZONE_DMA32
2055 bool
2056
1da177e4
LT
2057source "drivers/pcmcia/Kconfig"
2058
2059source "drivers/pci/hotplug/Kconfig"
2060
2061endmenu
2062
2063menu "Executable file formats"
2064
2065source "fs/Kconfig.binfmt"
2066
2067config TRAD_SIGNALS
2068 bool
1da177e4 2069
1da177e4
LT
2070config MIPS32_COMPAT
2071 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2072 depends on 64BIT
1da177e4
LT
2073 help
2074 Select this option if you want Linux/MIPS 32-bit binary
2075 compatibility. Since all software available for Linux/MIPS is
2076 currently 32-bit you should say Y here.
2077
2078config COMPAT
2079 bool
2080 depends on MIPS32_COMPAT
2081 default y
2082
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AN
2083config SYSVIPC_COMPAT
2084 bool
2085 depends on COMPAT && SYSVIPC
2086 default y
2087
1da177e4
LT
2088config MIPS32_O32
2089 bool "Kernel support for o32 binaries"
2090 depends on MIPS32_COMPAT
2091 help
2092 Select this option if you want to run o32 binaries. These are pure
2093 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2094 existing binaries are in this format.
2095
2096 If unsure, say Y.
2097
2098config MIPS32_N32
2099 bool "Kernel support for n32 binaries"
2100 depends on MIPS32_COMPAT
2101 help
2102 Select this option if you want to run n32 binaries. These are
2103 64-bit binaries using 32-bit quantities for addressing and certain
2104 data that would normally be 64-bit. They are used in special
2105 cases.
2106
2107 If unsure, say N.
2108
2109config BINFMT_ELF32
2110 bool
2111 default y if MIPS32_O32 || MIPS32_N32
2112
2116245e
RB
2113endmenu
2114
2115menu "Power management options"
2116
f4cb5700
JB
2117config ARCH_SUSPEND_POSSIBLE
2118 def_bool y
2119 depends on !SMP
2120
2116245e 2121source "kernel/power/Kconfig"
952fa954 2122
1da177e4
LT
2123endmenu
2124
d5950b43
SR
2125source "net/Kconfig"
2126
1da177e4
LT
2127source "drivers/Kconfig"
2128
2129source "fs/Kconfig"
2130
2131source "arch/mips/Kconfig.debug"
2132
2133source "security/Kconfig"
2134
2135source "crypto/Kconfig"
2136
2137source "lib/Kconfig"