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[MIPS] time: Add GT641xx timer0 clockevent driver
[net-next-2.6.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
4 # Horrible source of confusion. Die, die, die ...
5 select EMBEDDED
90b02340 6 select RTC_LIB
1da177e4 7
875d43e7
RB
8mainmenu "Linux/MIPS Kernel Configuration"
9
1da177e4
LT
10menu "Machine selection"
11
5ac6da66
CL
12config ZONE_DMA
13 bool
5ac6da66 14
5e83d430
RB
15choice
16 prompt "System type"
17 default SGI_IP22
1da177e4 18
c3543e25
YY
19config MACH_ALCHEMY
20 bool "Alchemy processor based machines"
1da177e4 21
35189fad 22config BASLER_EXCITE
be91589e 23 bool "Basler eXcite smart camera"
42f77542 24 select CEVT_R4K
35189fad
RB
25 select DMA_COHERENT
26 select HW_HAS_PCI
27 select IRQ_CPU
28 select IRQ_CPU_RM7K
29 select IRQ_CPU_RM9K
663c3d90 30 select MIPS_RM9122
35189fad
RB
31 select SYS_HAS_CPU_RM9000
32 select SYS_SUPPORTS_32BIT_KERNEL
35189fad 33 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 34 select SYS_SUPPORTS_KGDB
35189fad
RB
35 help
36 The eXcite is a smart camera platform manufactured by
be91589e 37 Basler Vision Technologies AG.
35189fad
RB
38
39config BASLER_EXCITE_PROTOTYPE
40 bool "Support for pre-release units"
41 depends on BASLER_EXCITE
42 default n
43 help
44 Pre-series (prototype) units are different from later ones in
45 some ways. Select this option if you have one of these. Please
46 note that a kernel built with this option selected will not be
47 able to run on normal units.
48
1c0c13eb
AJ
49config BCM47XX
50 bool "BCM47XX based boards"
42f77542 51 select CEVT_R4K
1c0c13eb
AJ
52 select DMA_NONCOHERENT
53 select HW_HAS_PCI
54 select IRQ_CPU
55 select SYS_HAS_CPU_MIPS32_R1
56 select SYS_SUPPORTS_32BIT_KERNEL
57 select SYS_SUPPORTS_LITTLE_ENDIAN
58 select SSB
59 select SSB_DRIVER_MIPS
60 select GENERIC_GPIO
25e5fb97
AJ
61 select SYS_HAS_EARLY_PRINTK
62 select CFE
1c0c13eb
AJ
63 help
64 Support for BCM47XX based boards
65
1da177e4 66config MIPS_COBALT
3fa986fa 67 bool "Cobalt Server"
42f77542 68 select CEVT_R4K
1097c6ac 69 select CEVT_GT641XX
1da177e4
LT
70 select DMA_NONCOHERENT
71 select HW_HAS_PCI
d865bea4 72 select I8253
1da177e4
LT
73 select I8259
74 select IRQ_CPU
d5ab1a69 75 select IRQ_GT641XX
252161ec 76 select PCI_GT64XXX_PCI0
7cf8053b 77 select SYS_HAS_CPU_NEVADA
0a22e0d4 78 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
79 select SYS_SUPPORTS_32BIT_KERNEL
80 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 81 select SYS_SUPPORTS_LITTLE_ENDIAN
9fd32cfb 82 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
83
84config MACH_DECSTATION
3fa986fa 85 bool "DECstations"
1da177e4 86 select BOOT_ELF32
42f77542 87 select CEVT_R4K
1da177e4 88 select DMA_NONCOHERENT
d388d685 89 select NO_IOPORT
1da177e4 90 select IRQ_CPU
7cf8053b
RB
91 select SYS_HAS_CPU_R3000
92 select SYS_HAS_CPU_R4X00
ed5ba2fb
YY
93 select SYS_SUPPORTS_32BIT_KERNEL
94 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 95 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
96 select SYS_SUPPORTS_128HZ
97 select SYS_SUPPORTS_256HZ
98 select SYS_SUPPORTS_1024HZ
5e83d430 99 help
1da177e4
LT
100 This enables support for DEC's MIPS based workstations. For details
101 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
102 DECstation porting pages on <http://decstation.unix-ag.org/>.
103
104 If you have one of the following DECstation Models you definitely
105 want to choose R4xx0 for the CPU Type:
106
9308816c
RB
107 DECstation 5000/50
108 DECstation 5000/150
109 DECstation 5000/260
110 DECsystem 5900/260
1da177e4
LT
111
112 otherwise choose R3000.
113
5e83d430 114config MACH_JAZZ
3fa986fa 115 bool "Jazz family of machines"
5e83d430
RB
116 select ARC
117 select ARC32
118 select ARCH_MAY_HAVE_PC_FDC
42f77542 119 select CEVT_R4K
5e83d430 120 select GENERIC_ISA_DMA
ea202c63 121 select IRQ_CPU
d865bea4 122 select I8253
5e83d430
RB
123 select I8259
124 select ISA
de61b542 125 select PCSPEAKER
7cf8053b 126 select SYS_HAS_CPU_R4X00
5e83d430
RB
127 select SYS_SUPPORTS_32BIT_KERNEL
128 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1723b4a3 129 select SYS_SUPPORTS_100HZ
9fd32cfb 130 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4 131 help
5e83d430
RB
132 This a family of machines based on the MIPS R4030 chipset which was
133 used by several vendors to build RISC/os and Windows NT workstations.
134 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
135 Olivetti M700-10 workstations.
136
1f21d2bd
BM
137config LASAT
138 bool "LASAT Networks platforms"
42f77542 139 select CEVT_R4K
1f21d2bd
BM
140 select DMA_NONCOHERENT
141 select SYS_HAS_EARLY_PRINTK
142 select HW_HAS_PCI
a5ccfe5c 143 select IRQ_CPU
1f21d2bd
BM
144 select PCI_GT64XXX_PCI0
145 select MIPS_NILE4
146 select R5000_CPU_SCACHE
147 select SYS_HAS_CPU_R5000
148 select SYS_SUPPORTS_32BIT_KERNEL
149 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
150 select SYS_SUPPORTS_LITTLE_ENDIAN
151 select GENERIC_HARDIRQS_NO__DO_IRQ
152
ade299d8
YY
153config LEMOTE_FULONG
154 bool "Lemote Fulong mini-PC"
155 select ARCH_SPARSEMEM_ENABLE
42f77542 156 select CEVT_R4K
ade299d8
YY
157 select SYS_HAS_CPU_LOONGSON2
158 select DMA_NONCOHERENT
159 select BOOT_ELF32
160 select BOARD_SCACHE
161 select HAVE_STD_PC_SERIAL_PORT
162 select HW_HAS_PCI
163 select I8259
164 select ISA
165 select IRQ_CPU
166 select SYS_SUPPORTS_32BIT_KERNEL
167 select SYS_SUPPORTS_64BIT_KERNEL
168 select SYS_SUPPORTS_LITTLE_ENDIAN
169 select SYS_SUPPORTS_HIGHMEM
170 select SYS_HAS_EARLY_PRINTK
171 select GENERIC_HARDIRQS_NO__DO_IRQ
23dd6d35 172 select GENERIC_ISA_DMA_SUPPORT_BROKEN
ade299d8
YY
173 select CPU_HAS_WB
174 help
175 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
176 an FPGA northbridge
177
1da177e4 178config MIPS_ATLAS
3fa986fa 179 bool "MIPS Atlas board"
1da177e4 180 select BOOT_ELF32
42f77542 181 select CEVT_R4K
1da177e4 182 select DMA_NONCOHERENT
36a88530 183 select SYS_HAS_EARLY_PRINTK
5e83d430 184 select IRQ_CPU
1da177e4 185 select HW_HAS_PCI
5e83d430
RB
186 select MIPS_BOARDS_GEN
187 select MIPS_BONITO64
252161ec 188 select PCI_GT64XXX_PCI0
5e83d430 189 select MIPS_MSC
f4b7cdb4 190 select RM7000_CPU_SCACHE
1da177e4 191 select SWAP_IO_SPACE
7cf8053b
RB
192 select SYS_HAS_CPU_MIPS32_R1
193 select SYS_HAS_CPU_MIPS32_R2
194 select SYS_HAS_CPU_MIPS64_R1
195 select SYS_HAS_CPU_NEVADA
196 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
197 select SYS_SUPPORTS_32BIT_KERNEL
198 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
199 select SYS_SUPPORTS_BIG_ENDIAN
200 select SYS_SUPPORTS_LITTLE_ENDIAN
f41ae0b2 201 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
9693a853 202 select SYS_SUPPORTS_SMARTMIPS
e77c232c 203 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4 204 help
f638d197 205 This enables support for the MIPS Technologies Atlas evaluation
1da177e4
LT
206 board.
207
208config MIPS_MALTA
3fa986fa 209 bool "MIPS Malta board"
61ed242d 210 select ARCH_MAY_HAVE_PC_FDC
1da177e4 211 select BOOT_ELF32
42f77542 212 select CEVT_R4K
1da177e4
LT
213 select DMA_NONCOHERENT
214 select GENERIC_ISA_DMA
aa414dff 215 select IRQ_CPU
1da177e4 216 select HW_HAS_PCI
d865bea4 217 select I8253
1da177e4 218 select I8259
5e83d430
RB
219 select MIPS_BOARDS_GEN
220 select MIPS_BONITO64
9318c51a 221 select MIPS_CPU_SCACHE
252161ec 222 select PCI_GT64XXX_PCI0
5e83d430 223 select MIPS_MSC
1da177e4 224 select SWAP_IO_SPACE
7cf8053b
RB
225 select SYS_HAS_CPU_MIPS32_R1
226 select SYS_HAS_CPU_MIPS32_R2
227 select SYS_HAS_CPU_MIPS64_R1
228 select SYS_HAS_CPU_NEVADA
229 select SYS_HAS_CPU_RM7000
36a88530 230 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
231 select SYS_SUPPORTS_32BIT_KERNEL
232 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
233 select SYS_SUPPORTS_BIG_ENDIAN
234 select SYS_SUPPORTS_LITTLE_ENDIAN
f41ae0b2 235 select SYS_SUPPORTS_MULTITHREADING
9693a853 236 select SYS_SUPPORTS_SMARTMIPS
1da177e4 237 help
f638d197 238 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
239 board.
240
241config MIPS_SEAD
d98cc84d 242 bool "MIPS SEAD board"
42f77542 243 select CEVT_R4K
1da177e4
LT
244 select IRQ_CPU
245 select DMA_NONCOHERENT
36a88530 246 select SYS_HAS_EARLY_PRINTK
5e83d430 247 select MIPS_BOARDS_GEN
7cf8053b
RB
248 select SYS_HAS_CPU_MIPS32_R1
249 select SYS_HAS_CPU_MIPS32_R2
250 select SYS_HAS_CPU_MIPS64_R1
ed5ba2fb 251 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430
RB
252 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
253 select SYS_SUPPORTS_BIG_ENDIAN
254 select SYS_SUPPORTS_LITTLE_ENDIAN
9693a853 255 select SYS_SUPPORTS_SMARTMIPS
f638d197
MR
256 help
257 This enables support for the MIPS Technologies SEAD evaluation
258 board.
1da177e4 259
5e83d430 260config MIPS_SIM
3fa986fa 261 bool 'MIPS simulator (MIPSsim)'
42f77542 262 select CEVT_R4K
1da177e4 263 select DMA_NONCOHERENT
36a88530 264 select SYS_HAS_EARLY_PRINTK
1da177e4 265 select IRQ_CPU
9267a30d 266 select BOOT_RAW
7cf8053b
RB
267 select SYS_HAS_CPU_MIPS32_R1
268 select SYS_HAS_CPU_MIPS32_R2
36a88530 269 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 270 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 271 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 272 select SYS_SUPPORTS_MULTITHREADING
5e83d430 273 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 274 help
5e83d430
RB
275 This option enables support for MIPS Technologies MIPSsim software
276 emulator.
1da177e4 277
ade299d8
YY
278config MARKEINS
279 bool "NEC EMMA2RH Mark-eins"
42f77542 280 select CEVT_R4K
ade299d8
YY
281 select DMA_NONCOHERENT
282 select HW_HAS_PCI
283 select IRQ_CPU
284 select SWAP_IO_SPACE
285 select SYS_SUPPORTS_32BIT_KERNEL
286 select SYS_SUPPORTS_BIG_ENDIAN
287 select SYS_SUPPORTS_LITTLE_ENDIAN
288 select SYS_HAS_CPU_R5000
289 help
290 This enables support for the R5432-based NEC Mark-eins
291 boards with R5500 CPU.
292
5e83d430 293config MACH_VR41XX
74142d65 294 bool "NEC VR4100 series based machines"
42f77542 295 select CEVT_R4K
7cf8053b 296 select SYS_HAS_CPU_VR41XX
9fd32cfb 297 select GENERIC_HARDIRQS_NO__DO_IRQ
5e83d430 298
ade299d8
YY
299config PNX8550_JBS
300 bool "Philips PNX8550 based JBS board"
301 select PNX8550
302 select SYS_SUPPORTS_LITTLE_ENDIAN
303
304config PNX8550_STB810
305 bool "Philips PNX8550 based STB810 board"
306 select PNX8550
307 select SYS_SUPPORTS_LITTLE_ENDIAN
308
9267a30d
MSJ
309config PMC_MSP
310 bool "PMC-Sierra MSP chipsets"
311 depends on EXPERIMENTAL
312 select DMA_NONCOHERENT
313 select SWAP_IO_SPACE
314 select NO_EXCEPT_FILL
315 select BOOT_RAW
316 select SYS_HAS_CPU_MIPS32_R1
317 select SYS_HAS_CPU_MIPS32_R2
318 select SYS_SUPPORTS_32BIT_KERNEL
319 select SYS_SUPPORTS_BIG_ENDIAN
320 select SYS_SUPPORTS_KGDB
321 select IRQ_CPU
322 select SERIAL_8250
323 select SERIAL_8250_CONSOLE
324 help
325 This adds support for the PMC-Sierra family of Multi-Service
326 Processor System-On-A-Chips. These parts include a number
327 of integrated peripherals, interfaces and DSPs in addition to
328 a variety of MIPS cores.
329
5e83d430 330config PMC_YOSEMITE
3fa986fa 331 bool "PMC-Sierra Yosemite eval board"
42f77542 332 select CEVT_R4K
5e83d430
RB
333 select DMA_COHERENT
334 select HW_HAS_PCI
335 select IRQ_CPU
336 select IRQ_CPU_RM7K
337 select IRQ_CPU_RM9K
338 select SWAP_IO_SPACE
7cf8053b 339 select SYS_HAS_CPU_RM9000
36a88530 340 select SYS_HAS_EARLY_PRINTK
5e83d430
RB
341 select SYS_SUPPORTS_32BIT_KERNEL
342 select SYS_SUPPORTS_64BIT_KERNEL
343 select SYS_SUPPORTS_BIG_ENDIAN
344 select SYS_SUPPORTS_HIGHMEM
cc801077 345 select SYS_SUPPORTS_KGDB
e73ea273 346 select SYS_SUPPORTS_SMP
5e83d430
RB
347 help
348 Yosemite is an evaluation board for the RM9000x2 processor
349 manufactured by PMC-Sierra.
1da177e4 350
07119621 351config QEMU
3fa986fa 352 bool "Qemu"
42f77542 353 select CEVT_R4K
07119621
RB
354 select DMA_COHERENT
355 select GENERIC_ISA_DMA
356 select HAVE_STD_PC_SERIAL_PORT
d865bea4 357 select I8253
07119621 358 select I8259
7bcf7717 359 select IRQ_CPU
07119621 360 select ISA
de61b542 361 select PCSPEAKER
07119621 362 select SWAP_IO_SPACE
7cf8053b 363 select SYS_HAS_CPU_MIPS32_R1
07119621
RB
364 select SYS_SUPPORTS_32BIT_KERNEL
365 select SYS_SUPPORTS_BIG_ENDIAN
c8cc9618 366 select SYS_SUPPORTS_LITTLE_ENDIAN
b1c6cd42 367 select ARCH_SPARSEMEM_ENABLE
9fd32cfb 368 select GENERIC_HARDIRQS_NO__DO_IRQ
72ede9b1
AN
369 select NR_CPUS_DEFAULT_1
370 select SYS_SUPPORTS_SMP
07119621 371 help
5e83d430
RB
372 Qemu is a software emulator which among other architectures also
373 can simulate a MIPS32 4Kc system. This patch adds support for the
374 system architecture that currently is being simulated by Qemu. It
375 will eventually be removed again when Qemu has the capability to
376 simulate actual MIPS hardware platforms. More information on Qemu
377 can be found at http://www.linux-mips.org/wiki/Qemu.
07119621 378
1da177e4 379config SGI_IP22
3fa986fa 380 bool "SGI IP22 (Indy/Indigo2)"
1da177e4
LT
381 select ARC
382 select ARC32
383 select BOOT_ELF32
42f77542 384 select CEVT_R4K
1da177e4 385 select DMA_NONCOHERENT
5e83d430 386 select HW_HAS_EISA
d865bea4 387 select I8253
1da177e4
LT
388 select IP22_CPU_SCACHE
389 select IRQ_CPU
aa414dff 390 select GENERIC_ISA_DMA_SUPPORT_BROKEN
1da177e4 391 select SWAP_IO_SPACE
7cf8053b
RB
392 select SYS_HAS_CPU_R4X00
393 select SYS_HAS_CPU_R5000
36a88530 394 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
395 select SYS_SUPPORTS_32BIT_KERNEL
396 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 397 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
398 help
399 This are the SGI Indy, Challenge S and Indigo2, as well as certain
400 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
401 that runs on these, say Y here.
402
403config SGI_IP27
3fa986fa 404 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
405 select ARC
406 select ARC64
5e83d430 407 select BOOT_ELF64
1da177e4 408 select DMA_IP27
36a88530 409 select SYS_HAS_EARLY_PRINTK
1da177e4 410 select HW_HAS_PCI
130e2fb7 411 select NR_CPUS_DEFAULT_64
7cf8053b 412 select SYS_HAS_CPU_R10000
ed5ba2fb 413 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 414 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 415 select SYS_SUPPORTS_KGDB
d8cb4e11 416 select SYS_SUPPORTS_NUMA
1a5c5de1 417 select SYS_SUPPORTS_SMP
e77c232c 418 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
419 help
420 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
421 workstations. To compile a Linux kernel that runs on these, say Y
422 here.
423
1da177e4 424config SGI_IP32
cfd2afc0 425 bool "SGI IP32 (O2)"
1da177e4
LT
426 select ARC
427 select ARC32
428 select BOOT_ELF32
42f77542 429 select CEVT_R4K
1da177e4
LT
430 select DMA_NONCOHERENT
431 select HW_HAS_PCI
dd67b155 432 select IRQ_CPU
1da177e4
LT
433 select R5000_CPU_SCACHE
434 select RM7000_CPU_SCACHE
7cf8053b
RB
435 select SYS_HAS_CPU_R5000
436 select SYS_HAS_CPU_R10000 if BROKEN
437 select SYS_HAS_CPU_RM7000
dd2f18fe 438 select SYS_HAS_CPU_NEVADA
ed5ba2fb 439 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 440 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 441 help
5e83d430 442 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 443
ade299d8
YY
444config SIBYTE_CRHINE
445 bool "Sibyte BCM91120C-CRhine"
446 depends on EXPERIMENTAL
9a6dcea1
AI
447 select BOOT_ELF32
448 select DMA_COHERENT
ade299d8 449 select SIBYTE_BCM1120
9a6dcea1 450 select SWAP_IO_SPACE
7cf8053b 451 select SYS_HAS_CPU_SB1
9a6dcea1
AI
452 select SYS_SUPPORTS_BIG_ENDIAN
453 select SYS_SUPPORTS_LITTLE_ENDIAN
454
ade299d8
YY
455config SIBYTE_CARMEL
456 bool "Sibyte BCM91120x-Carmel"
457 depends on EXPERIMENTAL
5e83d430 458 select BOOT_ELF32
1da177e4 459 select DMA_COHERENT
ade299d8 460 select SIBYTE_BCM1120
5e83d430 461 select SWAP_IO_SPACE
7cf8053b 462 select SYS_HAS_CPU_SB1
81731f79 463 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 464 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 465
ade299d8
YY
466config SIBYTE_CRHONE
467 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
468 depends on EXPERIMENTAL
469 select BOOT_ELF32
470 select DMA_COHERENT
ade299d8 471 select SIBYTE_BCM1125
5e83d430 472 select SWAP_IO_SPACE
7cf8053b 473 select SYS_HAS_CPU_SB1
5e83d430 474 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 475 select SYS_SUPPORTS_HIGHMEM
5e83d430 476 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 477
5e83d430 478config SIBYTE_RHONE
3fa986fa 479 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
480 depends on EXPERIMENTAL
481 select BOOT_ELF32
482 select DMA_COHERENT
483 select SIBYTE_BCM1125H
484 select SWAP_IO_SPACE
7cf8053b 485 select SYS_HAS_CPU_SB1
5e83d430
RB
486 select SYS_SUPPORTS_BIG_ENDIAN
487 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 488
ade299d8
YY
489config SIBYTE_SWARM
490 bool "Sibyte BCM91250A-SWARM"
5e83d430 491 select BOOT_ELF32
26a940e2 492 select DMA_COHERENT
ade299d8
YY
493 select NR_CPUS_DEFAULT_2
494 select SIBYTE_SB1250
5e83d430 495 select SWAP_IO_SPACE
7cf8053b 496 select SYS_HAS_CPU_SB1
5e83d430 497 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8
YY
498 select SYS_SUPPORTS_HIGHMEM
499 select SYS_SUPPORTS_KGDB
e3ad1c23
PP
500 select SYS_SUPPORTS_LITTLE_ENDIAN
501
ade299d8
YY
502config SIBYTE_LITTLESUR
503 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
504 depends on EXPERIMENTAL
505 select BOOT_ELF32
506 select DMA_COHERENT
130e2fb7 507 select NR_CPUS_DEFAULT_2
5e83d430
RB
508 select SIBYTE_SB1250
509 select SWAP_IO_SPACE
7cf8053b 510 select SYS_HAS_CPU_SB1
5e83d430
RB
511 select SYS_SUPPORTS_BIG_ENDIAN
512 select SYS_SUPPORTS_HIGHMEM
513 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 514
ade299d8
YY
515config SIBYTE_SENTOSA
516 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
517 depends on EXPERIMENTAL
518 select BOOT_ELF32
519 select DMA_COHERENT
130e2fb7 520 select NR_CPUS_DEFAULT_2
5e83d430
RB
521 select SIBYTE_SB1250
522 select SWAP_IO_SPACE
7cf8053b 523 select SYS_HAS_CPU_SB1
5e83d430 524 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 525 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 526
ade299d8
YY
527config SIBYTE_PTSWARM
528 bool "Sibyte BCM91250PT-PTSWARM"
5e83d430
RB
529 depends on EXPERIMENTAL
530 select BOOT_ELF32
531 select DMA_COHERENT
ade299d8
YY
532 select NR_CPUS_DEFAULT_2
533 select SIBYTE_SB1250
5e83d430 534 select SWAP_IO_SPACE
7cf8053b 535 select SYS_HAS_CPU_SB1
5e83d430 536 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 537 select SYS_SUPPORTS_HIGHMEM
5e83d430 538 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 539
ade299d8
YY
540config SIBYTE_BIGSUR
541 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
542 select BOOT_ELF32
543 select DMA_COHERENT
ade299d8 544 select NR_CPUS_DEFAULT_4
ade299d8 545 select SIBYTE_BCM1x80
5e83d430 546 select SWAP_IO_SPACE
7cf8053b 547 select SYS_HAS_CPU_SB1
5e83d430 548 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 549 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 550
14b36af4
TB
551config SNI_RM
552 bool "SNI RM200/300/400"
4a0312fc
TB
553 select ARC if CPU_LITTLE_ENDIAN
554 select ARC32 if CPU_LITTLE_ENDIAN
61ed242d 555 select ARCH_MAY_HAVE_PC_FDC
1da177e4 556 select BOOT_ELF32
42f77542 557 select CEVT_R4K
1da177e4
LT
558 select DMA_NONCOHERENT
559 select GENERIC_ISA_DMA
5e83d430 560 select HW_HAS_EISA
1da177e4 561 select HW_HAS_PCI
c066a32a 562 select IRQ_CPU
d865bea4 563 select I8253
1da177e4
LT
564 select I8259
565 select ISA
de61b542 566 select PCSPEAKER
4a0312fc 567 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 568 select SYS_HAS_CPU_R4X00
4a0312fc 569 select SYS_HAS_CPU_R5000
c066a32a 570 select SYS_HAS_CPU_R10000
4a0312fc 571 select R5000_CPU_SCACHE
36a88530 572 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
573 select SYS_SUPPORTS_32BIT_KERNEL
574 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 575 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 576 select SYS_SUPPORTS_HIGHMEM
5e83d430 577 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 578 help
14b36af4
TB
579 The SNI RM200/300/400 are MIPS-based machines manufactured by
580 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
581 Technology and now in turn merged with Fujitsu. Say Y here to
582 support this machine type.
583
5e83d430 584config TOSHIBA_JMR3927
3fa986fa 585 bool "Toshiba JMR-TX3927 board"
5e83d430
RB
586 select DMA_NONCOHERENT
587 select HW_HAS_PCI
588 select MIPS_TX3927
c87abd75 589 select IRQ_TXX9
5e83d430 590 select SWAP_IO_SPACE
7cf8053b 591 select SYS_HAS_CPU_TX39XX
5e83d430 592 select SYS_SUPPORTS_32BIT_KERNEL
6a2603a2 593 select SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430 594 select SYS_SUPPORTS_BIG_ENDIAN
2127435e 595 select GENERIC_HARDIRQS_NO__DO_IRQ
5e83d430 596
1da177e4 597config TOSHIBA_RBTX4927
08a91283 598 bool "Toshiba RBTX49[23]7 board"
42f77542 599 select CEVT_R4K
1da177e4
LT
600 select DMA_NONCOHERENT
601 select HAS_TXX9_SERIAL
602 select HW_HAS_PCI
c87abd75
AN
603 select IRQ_CPU
604 select IRQ_TXX9
605 select I8259 if TOSHIBA_FPCIB0
1da177e4 606 select SWAP_IO_SPACE
7cf8053b 607 select SYS_HAS_CPU_TX49XX
ed5ba2fb
YY
608 select SYS_SUPPORTS_32BIT_KERNEL
609 select SYS_SUPPORTS_64BIT_KERNEL
6a2603a2 610 select SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430 611 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 612 select SYS_SUPPORTS_KGDB
9fd32cfb 613 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
614 help
615 This Toshiba board is based on the TX4927 processor. Say Y here to
616 support this machine type
617
5e83d430 618config TOSHIBA_RBTX4938
3fa986fa 619 bool "Toshiba RBTX4938 board"
42f77542 620 select CEVT_R4K
5e83d430 621 select DMA_NONCOHERENT
5e83d430
RB
622 select HAS_TXX9_SERIAL
623 select HW_HAS_PCI
c87abd75
AN
624 select IRQ_CPU
625 select IRQ_TXX9
5e83d430 626 select SWAP_IO_SPACE
7cf8053b 627 select SYS_HAS_CPU_TX49XX
5e83d430
RB
628 select SYS_SUPPORTS_32BIT_KERNEL
629 select SYS_SUPPORTS_LITTLE_ENDIAN
630 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 631 select SYS_SUPPORTS_KGDB
9fd32cfb 632 select GENERIC_HARDIRQS_NO__DO_IRQ
3896b054 633 select GENERIC_GPIO
5e83d430
RB
634 help
635 This Toshiba board is based on the TX4938 processor. Say Y here to
636 support this machine type
637
ade299d8
YY
638config WR_PPMC
639 bool "Wind River PPMC board"
42f77542 640 select CEVT_R4K
ade299d8
YY
641 select IRQ_CPU
642 select BOOT_ELF32
643 select DMA_NONCOHERENT
644 select HW_HAS_PCI
645 select PCI_GT64XXX_PCI0
646 select SWAP_IO_SPACE
647 select SYS_HAS_CPU_MIPS32_R1
648 select SYS_HAS_CPU_MIPS32_R2
649 select SYS_HAS_CPU_MIPS64_R1
650 select SYS_HAS_CPU_NEVADA
651 select SYS_HAS_CPU_RM7000
652 select SYS_SUPPORTS_32BIT_KERNEL
653 select SYS_SUPPORTS_64BIT_KERNEL
654 select SYS_SUPPORTS_BIG_ENDIAN
655 select SYS_SUPPORTS_LITTLE_ENDIAN
656 help
657 This enables support for the Wind River MIPS32 4KC PPMC evaluation
658 board, which is based on GT64120 bridge chip.
659
5e83d430 660endchoice
1da177e4 661
c3543e25 662source "arch/mips/au1000/Kconfig"
5e83d430 663source "arch/mips/jazz/Kconfig"
1f21d2bd 664source "arch/mips/lasat/Kconfig"
5e83d430 665source "arch/mips/pmc-sierra/Kconfig"
29c48699 666source "arch/mips/sgi-ip27/Kconfig"
38b18f72 667source "arch/mips/sibyte/Kconfig"
5e83d430 668source "arch/mips/tx4927/Kconfig"
23fbee9d 669source "arch/mips/tx4938/Kconfig"
5e83d430 670source "arch/mips/vr41xx/Kconfig"
38b18f72 671
5e83d430
RB
672endmenu
673
1da177e4
LT
674config RWSEM_GENERIC_SPINLOCK
675 bool
676 default y
677
678config RWSEM_XCHGADD_ALGORITHM
679 bool
680
f0d1b0b3
DH
681config ARCH_HAS_ILOG2_U32
682 bool
683 default n
684
685config ARCH_HAS_ILOG2_U64
686 bool
687 default n
688
3c9ee7ef
AM
689config GENERIC_FIND_NEXT_BIT
690 bool
691 default y
692
693config GENERIC_HWEIGHT
694 bool
695 default y
696
1da177e4
LT
697config GENERIC_CALIBRATE_DELAY
698 bool
699 default y
700
7bcf7717
RB
701config GENERIC_CLOCKEVENTS
702 bool
703 default y
704
8db02010
RB
705config GENERIC_TIME
706 bool
707 default y
708
f5ff0a28
RB
709config GENERIC_CMOS_UPDATE
710 bool
711 default y
712
1cc89038
AN
713config SCHED_NO_NO_OMIT_FRAME_POINTER
714 bool
715 default y
716
e77c232c
FBH
717config GENERIC_HARDIRQS_NO__DO_IRQ
718 bool
719 default n
720
1da177e4
LT
721#
722# Select some configuration options automatically based on user selections.
723#
724config ARC
725 bool
1da177e4 726
61ed242d
RB
727config ARCH_MAY_HAVE_PC_FDC
728 bool
729
9267a30d
MSJ
730config BOOT_RAW
731 bool
732
1097c6ac
YY
733config CEVT_GT641XX
734 bool
735
42f77542
RB
736config CEVT_R4K
737 bool
738
df78b5c8
AJ
739config CFE
740 bool
741
4ce588cd 742config DMA_COHERENT
1da177e4
LT
743 bool
744
4ce588cd 745config DMA_IP27
1da177e4
LT
746 bool
747
4ce588cd
RB
748config DMA_IP32
749 bool
750 select DMA_NEED_PCI_MAP_STATE
751
752config DMA_NONCOHERENT
753 bool
754 select DMA_NEED_PCI_MAP_STATE
755
756config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
757 bool
758
759config EARLY_PRINTK
36a88530
RB
760 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
761 depends on SYS_HAS_EARLY_PRINTK
762 default y
763 help
764 This option enables special console drivers which allow the kernel
765 to print messages very early in the bootup process.
766
767 This is useful for kernel debugging when your machine crashes very
490dcc4d
RD
768 early before the console code is initialized. For normal operation,
769 it is not recommended because it looks ugly on some machines and
770 doesn't cooperate with an X server. You should normally say N here,
36a88530
RB
771 unless you want to debug such a crash.
772
773config SYS_HAS_EARLY_PRINTK
1da177e4 774 bool
1da177e4 775
dbb74540
RB
776config HOTPLUG_CPU
777 bool
778 default n
779
1da177e4
LT
780config I8259
781 bool
1da177e4 782
1da177e4
LT
783config MIPS_BONITO64
784 bool
1da177e4
LT
785
786config MIPS_MSC
787 bool
1da177e4 788
1f21d2bd
BM
789config MIPS_NILE4
790 bool
791
1da177e4
LT
792config MIPS_DISABLE_OBSOLETE_IDE
793 bool
794
d388d685
MR
795config NO_IOPORT
796 def_bool n
797
8313da30
RB
798config GENERIC_ISA_DMA
799 bool
800 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
801
aa414dff
RB
802config GENERIC_ISA_DMA_SUPPORT_BROKEN
803 bool
8313da30 804 select GENERIC_ISA_DMA
aa414dff 805
09663335
YY
806config GENERIC_GPIO
807 bool
808
5e83d430 809#
3cb2fccc 810# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
811# answer,so we try hard to limit the available choices. Also the use of a
812# choice statement should be more obvious to the user.
813#
814choice
815 prompt "Endianess selection"
1da177e4
LT
816 help
817 Some MIPS machines can be configured for either little or big endian
5e83d430 818 byte order. These modes require different kernels and a different
3cb2fccc 819 Linux distribution. In general there is one preferred byteorder for a
5e83d430 820 particular system but some systems are just as commonly used in the
3dde6ad8 821 one or the other endianness.
5e83d430
RB
822
823config CPU_BIG_ENDIAN
824 bool "Big endian"
825 depends on SYS_SUPPORTS_BIG_ENDIAN
826
827config CPU_LITTLE_ENDIAN
828 bool "Little endian"
829 depends on SYS_SUPPORTS_LITTLE_ENDIAN
830 help
831
832endchoice
833
2116245e
RB
834config SYS_SUPPORTS_APM_EMULATION
835 bool
836
5e83d430
RB
837config SYS_SUPPORTS_BIG_ENDIAN
838 bool
839
840config SYS_SUPPORTS_LITTLE_ENDIAN
841 bool
1da177e4
LT
842
843config IRQ_CPU
844 bool
845
846config IRQ_CPU_RM7K
847 bool
848
5e83d430
RB
849config IRQ_CPU_RM9K
850 bool
851
9267a30d
MSJ
852config IRQ_MSP_SLP
853 bool
854
855config IRQ_MSP_CIC
856 bool
857
8420fd00
AN
858config IRQ_TXX9
859 bool
860
d5ab1a69
YY
861config IRQ_GT641XX
862 bool
863
1da177e4
LT
864config MIPS_BOARDS_GEN
865 bool
1da177e4 866
252161ec 867config PCI_GT64XXX_PCI0
1da177e4 868 bool
1da177e4 869
9267a30d
MSJ
870config NO_EXCEPT_FILL
871 bool
872
1da177e4
LT
873config MIPS_TX3927
874 bool
1da177e4 875 select HAS_TXX9_SERIAL
1da177e4 876
663c3d90 877config MIPS_RM9122
878 bool
879 select SERIAL_RM9000
663c3d90 880
bdf21b18
PP
881config PNX8550
882 bool
883 select SOC_PNX8550
884
885config SOC_PNX8550
886 bool
bdf21b18
PP
887 select DMA_NONCOHERENT
888 select HW_HAS_PCI
b8c2a77c 889 select SYS_HAS_CPU_MIPS32_R1
36a88530 890 select SYS_HAS_EARLY_PRINTK
7cf8053b 891 select SYS_SUPPORTS_32BIT_KERNEL
e77c232c 892 select GENERIC_HARDIRQS_NO__DO_IRQ
cc801077 893 select SYS_SUPPORTS_KGDB
4ead1681 894 select GENERIC_GPIO
bdf21b18 895
1da177e4
LT
896config SWAP_IO_SPACE
897 bool
898
355c471f 899config EMMA2RH
900 bool
901 depends on MARKEINS
902 default y
903
663c3d90 904config SERIAL_RM9000
905 bool
906
5e83d430
RB
907config ARC32
908 bool
909
1da177e4
LT
910config BOOT_ELF32
911 bool
1da177e4
LT
912
913config MIPS_L1_CACHE_SHIFT
914 int
06cf5583
TB
915 default "4" if MACH_DECSTATION
916 default "7" if SGI_IP27 || SNI_RM
9267a30d 917 default "4" if PMC_MSP4200_EVAL
1da177e4
LT
918 default "5"
919
1da177e4
LT
920config HAVE_STD_PC_SERIAL_PORT
921 bool
922
1da177e4
LT
923config ARC_CONSOLE
924 bool "ARC console support"
36a88530 925 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
926
927config ARC_MEMORY
928 bool
14b36af4 929 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
930 default y
931
932config ARC_PROMLIB
933 bool
14b36af4 934 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
1da177e4
LT
935 default y
936
937config ARC64
938 bool
1da177e4
LT
939
940config BOOT_ELF64
941 bool
1da177e4 942
1da177e4
LT
943menu "CPU selection"
944
7bcf7717
RB
945source "kernel/time/Kconfig"
946
1da177e4
LT
947choice
948 prompt "CPU type"
949 default CPU_R4X00
950
2a21c730
FZ
951config CPU_LOONGSON2
952 bool "Loongson 2"
953 depends on SYS_HAS_CPU_LOONGSON2
954 select CPU_SUPPORTS_32BIT_KERNEL
955 select CPU_SUPPORTS_64BIT_KERNEL
956 select CPU_SUPPORTS_HIGHMEM
957 help
958 The Loongson 2E processor implements the MIPS III instruction set
959 with many extensions.
960
6e760c8d
RB
961config CPU_MIPS32_R1
962 bool "MIPS32 Release 1"
7cf8053b 963 depends on SYS_HAS_CPU_MIPS32_R1
f7062ddb 964 select CPU_HAS_LLSC
6e760c8d 965 select CPU_HAS_PREFETCH
797798c1 966 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 967 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 968 help
5e83d430 969 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
970 MIPS32 architecture. Most modern embedded systems with a 32-bit
971 MIPS processor are based on a MIPS32 processor. If you know the
972 specific type of processor in your system, choose those that one
973 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
974 Release 2 of the MIPS32 architecture is available since several
975 years so chances are you even have a MIPS32 Release 2 processor
976 in which case you should choose CPU_MIPS32_R2 instead for better
977 performance.
978
979config CPU_MIPS32_R2
980 bool "MIPS32 Release 2"
7cf8053b 981 depends on SYS_HAS_CPU_MIPS32_R2
f7062ddb 982 select CPU_HAS_LLSC
1e5f1caa 983 select CPU_HAS_PREFETCH
797798c1 984 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 985 select CPU_SUPPORTS_HIGHMEM
6e760c8d 986 help
5e83d430 987 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
988 MIPS32 architecture. Most modern embedded systems with a 32-bit
989 MIPS processor are based on a MIPS32 processor. If you know the
990 specific type of processor in your system, choose those that one
991 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
992
993config CPU_MIPS64_R1
994 bool "MIPS64 Release 1"
7cf8053b 995 depends on SYS_HAS_CPU_MIPS64_R1
f7062ddb 996 select CPU_HAS_LLSC
797798c1 997 select CPU_HAS_PREFETCH
ed5ba2fb
YY
998 select CPU_SUPPORTS_32BIT_KERNEL
999 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1000 select CPU_SUPPORTS_HIGHMEM
6e760c8d
RB
1001 help
1002 Choose this option to build a kernel for release 1 or later of the
1003 MIPS64 architecture. Many modern embedded systems with a 64-bit
1004 MIPS processor are based on a MIPS64 processor. If you know the
1005 specific type of processor in your system, choose those that one
1006 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1007 Release 2 of the MIPS64 architecture is available since several
1008 years so chances are you even have a MIPS64 Release 2 processor
1009 in which case you should choose CPU_MIPS64_R2 instead for better
1010 performance.
1011
1012config CPU_MIPS64_R2
1013 bool "MIPS64 Release 2"
7cf8053b 1014 depends on SYS_HAS_CPU_MIPS64_R2
f7062ddb 1015 select CPU_HAS_LLSC
797798c1 1016 select CPU_HAS_PREFETCH
1e5f1caa
RB
1017 select CPU_SUPPORTS_32BIT_KERNEL
1018 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1019 select CPU_SUPPORTS_HIGHMEM
1e5f1caa
RB
1020 help
1021 Choose this option to build a kernel for release 2 or later of the
1022 MIPS64 architecture. Many modern embedded systems with a 64-bit
1023 MIPS processor are based on a MIPS64 processor. If you know the
1024 specific type of processor in your system, choose those that one
1025 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1026
1027config CPU_R3000
1028 bool "R3000"
7cf8053b 1029 depends on SYS_HAS_CPU_R3000
f7062ddb 1030 select CPU_HAS_WB
ed5ba2fb 1031 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1032 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1033 help
1034 Please make sure to pick the right CPU type. Linux/MIPS is not
1035 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1036 *not* work on R4000 machines and vice versa. However, since most
1037 of the supported machines have an R4000 (or similar) CPU, R4x00
1038 might be a safe bet. If the resulting kernel does not work,
1039 try to recompile with R3000.
1040
1041config CPU_TX39XX
1042 bool "R39XX"
7cf8053b 1043 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1044 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1045
1046config CPU_VR41XX
1047 bool "R41xx"
7cf8053b 1048 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1049 select CPU_SUPPORTS_32BIT_KERNEL
1050 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1051 help
5e83d430 1052 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1053 Only choose this option if you have one of these processors as a
1054 kernel built with this option will not run on any other type of
1055 processor or vice versa.
1056
1057config CPU_R4300
1058 bool "R4300"
7cf8053b 1059 depends on SYS_HAS_CPU_R4300
f7062ddb 1060 select CPU_HAS_LLSC
ed5ba2fb
YY
1061 select CPU_SUPPORTS_32BIT_KERNEL
1062 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1063 help
1064 MIPS Technologies R4300-series processors.
1065
1066config CPU_R4X00
1067 bool "R4x00"
7cf8053b 1068 depends on SYS_HAS_CPU_R4X00
f7062ddb 1069 select CPU_HAS_LLSC
ed5ba2fb
YY
1070 select CPU_SUPPORTS_32BIT_KERNEL
1071 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1072 help
1073 MIPS Technologies R4000-series processors other than 4300, including
1074 the R4000, R4400, R4600, and 4700.
1075
1076config CPU_TX49XX
1077 bool "R49XX"
7cf8053b 1078 depends on SYS_HAS_CPU_TX49XX
f7062ddb 1079 select CPU_HAS_LLSC
de862b48 1080 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1081 select CPU_SUPPORTS_32BIT_KERNEL
1082 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1083
1084config CPU_R5000
1085 bool "R5000"
7cf8053b 1086 depends on SYS_HAS_CPU_R5000
f7062ddb 1087 select CPU_HAS_LLSC
ed5ba2fb
YY
1088 select CPU_SUPPORTS_32BIT_KERNEL
1089 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1090 help
1091 MIPS Technologies R5000-series processors other than the Nevada.
1092
1093config CPU_R5432
1094 bool "R5432"
7cf8053b 1095 depends on SYS_HAS_CPU_R5432
f7062ddb 1096 select CPU_HAS_LLSC
5e83d430
RB
1097 select CPU_SUPPORTS_32BIT_KERNEL
1098 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1099
1100config CPU_R6000
1101 bool "R6000"
ed5ba2fb 1102 depends on EXPERIMENTAL
f7062ddb 1103 select CPU_HAS_LLSC
7cf8053b 1104 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1105 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1106 help
1107 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1108 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1109
1110config CPU_NEVADA
1111 bool "RM52xx"
7cf8053b 1112 depends on SYS_HAS_CPU_NEVADA
f7062ddb 1113 select CPU_HAS_LLSC
ed5ba2fb
YY
1114 select CPU_SUPPORTS_32BIT_KERNEL
1115 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1116 help
1117 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1118
1119config CPU_R8000
1120 bool "R8000"
ed5ba2fb 1121 depends on EXPERIMENTAL
7cf8053b 1122 depends on SYS_HAS_CPU_R8000
f7062ddb 1123 select CPU_HAS_LLSC
5e83d430 1124 select CPU_HAS_PREFETCH
ed5ba2fb 1125 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1126 help
1127 MIPS Technologies R8000 processors. Note these processors are
1128 uncommon and the support for them is incomplete.
1129
1130config CPU_R10000
1131 bool "R10000"
7cf8053b 1132 depends on SYS_HAS_CPU_R10000
f7062ddb 1133 select CPU_HAS_LLSC
5e83d430 1134 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1135 select CPU_SUPPORTS_32BIT_KERNEL
1136 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1137 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1138 help
1139 MIPS Technologies R10000-series processors.
1140
1141config CPU_RM7000
1142 bool "RM7000"
7cf8053b 1143 depends on SYS_HAS_CPU_RM7000
f7062ddb 1144 select CPU_HAS_LLSC
5e83d430 1145 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1146 select CPU_SUPPORTS_32BIT_KERNEL
1147 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1148 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1149
1150config CPU_RM9000
1151 bool "RM9000"
7cf8053b 1152 depends on SYS_HAS_CPU_RM9000
f7062ddb 1153 select CPU_HAS_LLSC
5e83d430 1154 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1155 select CPU_SUPPORTS_32BIT_KERNEL
1156 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1157 select CPU_SUPPORTS_HIGHMEM
0004a9df 1158 select WEAK_ORDERING
1da177e4
LT
1159
1160config CPU_SB1
1161 bool "SB1"
7cf8053b 1162 depends on SYS_HAS_CPU_SB1
f7062ddb 1163 select CPU_HAS_LLSC
ed5ba2fb
YY
1164 select CPU_SUPPORTS_32BIT_KERNEL
1165 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1166 select CPU_SUPPORTS_HIGHMEM
0004a9df 1167 select WEAK_ORDERING
1da177e4
LT
1168
1169endchoice
1170
2a21c730
FZ
1171config SYS_HAS_CPU_LOONGSON2
1172 bool
1173
7cf8053b
RB
1174config SYS_HAS_CPU_MIPS32_R1
1175 bool
1176
1177config SYS_HAS_CPU_MIPS32_R2
1178 bool
1179
1180config SYS_HAS_CPU_MIPS64_R1
1181 bool
1182
1183config SYS_HAS_CPU_MIPS64_R2
1184 bool
1185
1186config SYS_HAS_CPU_R3000
1187 bool
1188
1189config SYS_HAS_CPU_TX39XX
1190 bool
1191
1192config SYS_HAS_CPU_VR41XX
1193 bool
1194
1195config SYS_HAS_CPU_R4300
1196 bool
1197
1198config SYS_HAS_CPU_R4X00
1199 bool
1200
1201config SYS_HAS_CPU_TX49XX
1202 bool
1203
1204config SYS_HAS_CPU_R5000
1205 bool
1206
1207config SYS_HAS_CPU_R5432
1208 bool
1209
1210config SYS_HAS_CPU_R6000
1211 bool
1212
1213config SYS_HAS_CPU_NEVADA
1214 bool
1215
1216config SYS_HAS_CPU_R8000
1217 bool
1218
1219config SYS_HAS_CPU_R10000
1220 bool
1221
1222config SYS_HAS_CPU_RM7000
1223 bool
1224
1225config SYS_HAS_CPU_RM9000
1226 bool
1227
1228config SYS_HAS_CPU_SB1
1229 bool
1230
17099b11
RB
1231#
1232# CPU may reorder R->R, R->W, W->R, W->W
1233# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1234#
0004a9df
RB
1235config WEAK_ORDERING
1236 bool
17099b11
RB
1237
1238#
1239# CPU may reorder reads and writes beyond LL/SC
1240# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1241#
1242config WEAK_REORDERING_BEYOND_LLSC
1243 bool
5e83d430
RB
1244endmenu
1245
1246#
c09b47d8 1247# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1248#
1249config CPU_MIPS32
1250 bool
1251 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1252
1253config CPU_MIPS64
1254 bool
1255 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1256
1257#
c09b47d8 1258# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1259#
1260config CPU_MIPSR1
1261 bool
1262 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1263
1264config CPU_MIPSR2
1265 bool
1266 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1267
1268config SYS_SUPPORTS_32BIT_KERNEL
1269 bool
1270config SYS_SUPPORTS_64BIT_KERNEL
1271 bool
1272config CPU_SUPPORTS_32BIT_KERNEL
1273 bool
1274config CPU_SUPPORTS_64BIT_KERNEL
1275 bool
1276
1277menu "Kernel type"
1278
1279choice
1280
1281 prompt "Kernel code model"
1282 help
1283 You should only select this option if you have a workload that
1284 actually benefits from 64-bit processing or if your machine has
1285 large memory. You will only be presented a single option in this
1286 menu if your system does not support both 32-bit and 64-bit kernels.
1287
1288config 32BIT
1289 bool "32-bit kernel"
1290 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1291 select TRAD_SIGNALS
1292 help
1293 Select this option if you want to build a 32-bit kernel.
1294config 64BIT
1295 bool "64-bit kernel"
1296 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1297 help
1298 Select this option if you want to build a 64-bit kernel.
1299
1300endchoice
1301
1da177e4
LT
1302choice
1303 prompt "Kernel page size"
1304 default PAGE_SIZE_4KB
1305
1306config PAGE_SIZE_4KB
1307 bool "4kB"
1308 help
1309 This option select the standard 4kB Linux page size. On some
1310 R3000-family processors this is the only available page size. Using
1311 4kB page size will minimize memory consumption and is therefore
1312 recommended for low memory systems.
1313
1314config PAGE_SIZE_8KB
1315 bool "8kB"
1316 depends on EXPERIMENTAL && CPU_R8000
1317 help
1318 Using 8kB page size will result in higher performance kernel at
1319 the price of higher memory consumption. This option is available
1320 only on the R8000 processor. Not that at the time of this writing
1321 this option is still high experimental; there are also issues with
1322 compatibility of user applications.
1323
1324config PAGE_SIZE_16KB
1325 bool "16kB"
714bfad6 1326 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1327 help
1328 Using 16kB page size will result in higher performance kernel at
1329 the price of higher memory consumption. This option is available on
714bfad6
RB
1330 all non-R3000 family processors. Note that you will need a suitable
1331 Linux distribution to support this.
1da177e4
LT
1332
1333config PAGE_SIZE_64KB
1334 bool "64kB"
1335 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1336 help
1337 Using 64kB page size will result in higher performance kernel at
1338 the price of higher memory consumption. This option is available on
1339 all non-R3000 family processor. Not that at the time of this
714bfad6 1340 writing this option is still high experimental.
1da177e4
LT
1341
1342endchoice
1343
1344config BOARD_SCACHE
1345 bool
1346
1347config IP22_CPU_SCACHE
1348 bool
1349 select BOARD_SCACHE
1350
9318c51a
CD
1351#
1352# Support for a MIPS32 / MIPS64 style S-caches
1353#
1354config MIPS_CPU_SCACHE
1355 bool
1356 select BOARD_SCACHE
1357
1da177e4
LT
1358config R5000_CPU_SCACHE
1359 bool
1360 select BOARD_SCACHE
1361
1362config RM7000_CPU_SCACHE
1363 bool
1364 select BOARD_SCACHE
1365
1366config SIBYTE_DMA_PAGEOPS
1367 bool "Use DMA to clear/copy pages"
1368 depends on CPU_SB1
1369 help
1370 Instead of using the CPU to zero and copy pages, use a Data Mover
1371 channel. These DMA channels are otherwise unused by the standard
1372 SiByte Linux port. Seems to give a small performance benefit.
1373
1374config CPU_HAS_PREFETCH
c8094b53 1375 bool
1da177e4 1376
340ee4b9
RB
1377choice
1378 prompt "MIPS MT options"
f41ae0b2
RB
1379
1380config MIPS_MT_DISABLED
1381 bool "Disable multithreading support."
1382 help
1383 Use this option if your workload can't take advantage of
1384 MIPS hardware multithreading support. On systems that don't have
1385 the option of an MT-enabled processor this option will be the only
1386 option in this menu.
340ee4b9 1387
59d6ab86
RB
1388config MIPS_MT_SMP
1389 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1390 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1391 select CPU_MIPSR2_IRQ_VI
d725cf38 1392 select CPU_MIPSR2_IRQ_EI
f7062ddb 1393 select CPU_MIPSR2_SRS
f41ae0b2 1394 select MIPS_MT
f510aa3b 1395 select NR_CPUS_DEFAULT_2
41c594ab 1396 select SMP
73b76c78 1397 select SYS_SUPPORTS_SMP
f41ae0b2 1398 help
59d6ab86
RB
1399 This is a kernel model which is also known a VSMP or lately
1400 has been marketesed into SMVP.
41c594ab 1401
59d6ab86
RB
1402config MIPS_MT_SMTC
1403 bool "SMTC: Use all TCs on all VPEs for SMP"
1404 depends on CPU_MIPS32_R2
1405 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2 1406 depends on SYS_SUPPORTS_MULTITHREADING
ea580401 1407 select GENERIC_CLOCKEVENTS_BROADCAST
f41ae0b2 1408 select CPU_MIPSR2_IRQ_VI
d725cf38 1409 select CPU_MIPSR2_IRQ_EI
f41ae0b2
RB
1410 select CPU_MIPSR2_SRS
1411 select MIPS_MT
130e2fb7 1412 select NR_CPUS_DEFAULT_8
340ee4b9 1413 select SMP
73b76c78 1414 select SYS_SUPPORTS_SMP
f41ae0b2 1415 help
59d6ab86
RB
1416 This is a kernel model which is known a SMTC or lately has been
1417 marketesed into SMVP.
340ee4b9 1418
340ee4b9
RB
1419endchoice
1420
f41ae0b2
RB
1421config MIPS_MT
1422 bool
1423
1424config SYS_SUPPORTS_MULTITHREADING
1425 bool
1426
f088fc84
RB
1427config MIPS_MT_FPAFF
1428 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1429 default y
07cc0c9e
RB
1430 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1431
1432config MIPS_VPE_LOADER
1433 bool "VPE loader support."
1434 depends on SYS_SUPPORTS_MULTITHREADING
1435 select CPU_MIPSR2_IRQ_VI
1436 select CPU_MIPSR2_IRQ_EI
1437 select CPU_MIPSR2_SRS
1438 select MIPS_MT
1439 help
1440 Includes a loader for loading an elf relocatable object
1441 onto another VPE and running it.
f088fc84 1442
ac8be955
RB
1443config MIPS_MT_SMTC_INSTANT_REPLAY
1444 bool "Low-latency Dispatch of Deferred SMTC IPIs"
619af723 1445 depends on MIPS_MT_SMTC && !PREEMPT
ac8be955
RB
1446 default y
1447 help
1448 SMTC pseudo-interrupts between TCs are deferred and queued
1449 if the target TC is interrupt-inhibited (IXMT). In the first
1450 SMTC prototypes, these queued IPIs were serviced on return
1451 to user mode, or on entry into the kernel idle loop. The
1452 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1453 processing, which adds runtime overhead (hence the option to turn
1454 it off), but ensures that IPIs are handled promptly even under
1455 heavy I/O interrupt load.
1456
0db34215
KK
1457config MIPS_MT_SMTC_IM_BACKSTOP
1458 bool "Use per-TC register bits as backstop for inhibited IM bits"
1459 depends on MIPS_MT_SMTC
1460 default y
1461 help
1462 To support multiple TC microthreads acting as "CPUs" within
1463 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1464 during interrupt handling. To support legacy drivers and interrupt
1465 controller management code, SMTC has a "backstop" to track and
1466 if necessary restore the interrupt mask. This has some performance
1467 impact on interrupt service overhead. Disable it only if you know
1468 what you are doing.
1469
f571eff0
KK
1470config MIPS_MT_SMTC_IRQAFF
1471 bool "Support IRQ affinity API"
1472 depends on MIPS_MT_SMTC
1473 default n
1474 help
1475 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1476 for SMTC Linux kernel. Requires platform support, of which
1477 an example can be found in the MIPS kernel i8259 and Malta
1478 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1479 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1480 interrupt dispatch, and should be used only if you know what
1481 you are doing.
1482
e01402b1
RB
1483config MIPS_VPE_LOADER_TOM
1484 bool "Load VPE program into memory hidden from linux"
1485 depends on MIPS_VPE_LOADER
1486 default y
1487 help
1488 The loader can use memory that is present but has been hidden from
1489 Linux using the kernel command line option "mem=xxMB". It's up to
1490 you to ensure the amount you put in the option and the space your
1491 program requires is less or equal to the amount physically present.
1492
1493# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1494config MIPS_VPE_APSP_API
5e83d430
RB
1495 bool "Enable support for AP/SP API (RTLX)"
1496 depends on MIPS_VPE_LOADER
1497 help
e01402b1 1498
2600990e
RB
1499config MIPS_APSP_KSPD
1500 bool "Enable KSPD"
1501 depends on MIPS_VPE_APSP_API
1502 default y
1503 help
1504 KSPD is a kernel daemon that accepts syscall requests from the SP
1505 side, actions them and returns the results. It also handles the
1506 "exit" syscall notifying other kernel modules the SP program is
1507 exiting. You probably want to say yes here.
1508
1da177e4
LT
1509config SB1_PASS_1_WORKAROUNDS
1510 bool
1511 depends on CPU_SB1_PASS_1
1512 default y
1513
1514config SB1_PASS_2_WORKAROUNDS
1515 bool
1516 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1517 default y
1518
1519config SB1_PASS_2_1_WORKAROUNDS
1520 bool
1521 depends on CPU_SB1 && CPU_SB1_PASS_2
1522 default y
1523
1524config 64BIT_PHYS_ADDR
d806cb2b 1525 bool
1da177e4 1526
1da177e4 1527config CPU_HAS_LLSC
f7062ddb 1528 bool
1da177e4 1529
9693a853
FBH
1530config CPU_HAS_SMARTMIPS
1531 depends on SYS_SUPPORTS_SMARTMIPS
1532 bool "Support for the SmartMIPS ASE"
1533 help
1534 SmartMIPS is a extension of the MIPS32 architecture aimed at
1535 increased security at both hardware and software level for
1536 smartcards. Enabling this option will allow proper use of the
1537 SmartMIPS instructions by Linux applications. However a kernel with
1538 this option will not work on a MIPS core without SmartMIPS core. If
1539 you don't know you probably don't have SmartMIPS and should say N
1540 here.
1541
1da177e4 1542config CPU_HAS_WB
f7062ddb 1543 bool
e01402b1 1544
2a21c730
FZ
1545config 64BIT_CONTEXT
1546 bool "Save 64bit integer registers"
1547 depends on 32BIT && CPU_LOONGSON2
1548 help
1549 Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
1550 registers can still be accessed as 64bit, mainly for multimedia
1551 instructions. We must have all 64bit save/restored to make sure
1552 those instructions to get correct result.
1553
f41ae0b2
RB
1554#
1555# Vectored interrupt mode is an R2 feature
1556#
e01402b1 1557config CPU_MIPSR2_IRQ_VI
f41ae0b2 1558 bool
e01402b1 1559
f41ae0b2
RB
1560#
1561# Extended interrupt mode is an R2 feature
1562#
e01402b1 1563config CPU_MIPSR2_IRQ_EI
f41ae0b2 1564 bool
e01402b1 1565
f41ae0b2
RB
1566#
1567# Shadow registers are an R2 feature
1568#
e01402b1 1569config CPU_MIPSR2_SRS
f41ae0b2 1570 bool
e01402b1 1571
1da177e4
LT
1572config CPU_HAS_SYNC
1573 bool
1574 depends on !CPU_R3000
1575 default y
1576
ea580401
RB
1577config GENERIC_CLOCKEVENTS_BROADCAST
1578 bool
1579
797798c1
RB
1580#
1581# Use the generic interrupt handling code in kernel/irq/:
1582#
1583config GENERIC_HARDIRQS
1584 bool
1585 default y
1586
1587config GENERIC_IRQ_PROBE
1588 bool
1589 default y
1590
0d7012a9 1591config IRQ_PER_CPU
0d7012a9 1592 bool
0d7012a9 1593
1da177e4
LT
1594#
1595# - Highmem only makes sense for the 32-bit kernel.
1596# - The current highmem code will only work properly on physically indexed
1597# caches such as R3000, SB1, R7000 or those that look like they're virtually
1598# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1599# moment we protect the user and offer the highmem option only on machines
1600# where it's known to be safe. This will not offer highmem on a few systems
1601# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1602# indexed CPUs but we're playing safe.
797798c1
RB
1603# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1604# know they might have memory configurations that could make use of highmem
1605# support.
1da177e4
LT
1606#
1607config HIGHMEM
1608 bool "High Memory Support"
797798c1
RB
1609 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1610
1611config CPU_SUPPORTS_HIGHMEM
1612 bool
1613
1614config SYS_SUPPORTS_HIGHMEM
1615 bool
1da177e4 1616
9693a853
FBH
1617config SYS_SUPPORTS_SMARTMIPS
1618 bool
1619
b4819b59
YY
1620config ARCH_FLATMEM_ENABLE
1621 def_bool y
1622 depends on !NUMA
1623
d8cb4e11
RB
1624config ARCH_DISCONTIGMEM_ENABLE
1625 bool
1626 default y if SGI_IP27
1627 help
3dde6ad8 1628 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1629 for architectures which are either NUMA (Non-Uniform Memory Access)
1630 or have huge holes in the physical address space for other reasons.
1631 See <file:Documentation/vm/numa> for more.
1632
31473747
AN
1633config ARCH_SPARSEMEM_ENABLE
1634 bool
7de58fab 1635 select SPARSEMEM_STATIC
31473747 1636
d8cb4e11
RB
1637config NUMA
1638 bool "NUMA Support"
1639 depends on SYS_SUPPORTS_NUMA
1640 help
1641 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1642 Access). This option improves performance on systems with more
1643 than two nodes; on two node systems it is generally better to
1644 leave it disabled; on single node systems disable this option
1645 disabled.
1646
1647config SYS_SUPPORTS_NUMA
1648 bool
1649
c80d79d7
YG
1650config NODES_SHIFT
1651 int
1652 default "6"
1653 depends on NEED_MULTIPLE_NODES
1654
b4819b59
YY
1655source "mm/Kconfig"
1656
1da177e4
LT
1657config SMP
1658 bool "Multi-Processing support"
e73ea273 1659 depends on SYS_SUPPORTS_SMP
b4b30a5a 1660 select IRQ_PER_CPU
e73ea273 1661 help
1da177e4
LT
1662 This enables support for systems with more than one CPU. If you have
1663 a system with only one CPU, like most personal computers, say N. If
1664 you have a system with more than one CPU, say Y.
1665
1666 If you say N here, the kernel will run on single and multiprocessor
1667 machines, but will use only one CPU of a multiprocessor machine. If
1668 you say Y here, the kernel will run on many, but not all,
1669 singleprocessor machines. On a singleprocessor machine, the kernel
1670 will run faster if you say N here.
1671
1672 People using multiprocessor machines who say Y here should also say
1673 Y to "Enhanced Real Time Clock Support", below.
1674
1675 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1676 available at <http://www.tldp.org/docs.html#howto>.
1677
1678 If you don't know what to do here, say N.
1679
e73ea273
RB
1680config SYS_SUPPORTS_SMP
1681 bool
1682
72ede9b1
AN
1683config NR_CPUS_DEFAULT_1
1684 bool
1685
130e2fb7
RB
1686config NR_CPUS_DEFAULT_2
1687 bool
1688
1689config NR_CPUS_DEFAULT_4
1690 bool
1691
1692config NR_CPUS_DEFAULT_8
1693 bool
1694
1695config NR_CPUS_DEFAULT_16
1696 bool
1697
1698config NR_CPUS_DEFAULT_32
1699 bool
1700
1701config NR_CPUS_DEFAULT_64
1702 bool
1703
1da177e4
LT
1704config NR_CPUS
1705 int "Maximum number of CPUs (2-64)"
72ede9b1 1706 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1707 depends on SMP
72ede9b1 1708 default "1" if NR_CPUS_DEFAULT_1
130e2fb7
RB
1709 default "2" if NR_CPUS_DEFAULT_2
1710 default "4" if NR_CPUS_DEFAULT_4
1711 default "8" if NR_CPUS_DEFAULT_8
1712 default "16" if NR_CPUS_DEFAULT_16
1713 default "32" if NR_CPUS_DEFAULT_32
1714 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
1715 help
1716 This allows you to specify the maximum number of CPUs which this
1717 kernel will support. The maximum supported value is 32 for 32-bit
1718 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1719 sense is 1 for Qemu (useful only for kernel debugging purposes)
1720 and 2 for all others.
1da177e4
LT
1721
1722 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1723 approximately eight kilobytes to the kernel image. For best
1724 performance should round up your number of processors to the next
1725 power of two.
1da177e4 1726
1723b4a3
AN
1727#
1728# Timer Interrupt Frequency Configuration
1729#
1730
1731choice
1732 prompt "Timer frequency"
1733 default HZ_250
1734 help
1735 Allows the configuration of the timer frequency.
1736
1737 config HZ_48
1738 bool "48 HZ" if SYS_SUPPORTS_48HZ
1739
1740 config HZ_100
1741 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1742
1743 config HZ_128
1744 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1745
1746 config HZ_250
1747 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1748
1749 config HZ_256
1750 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1751
1752 config HZ_1000
1753 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1754
1755 config HZ_1024
1756 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1757
1758endchoice
1759
1760config SYS_SUPPORTS_48HZ
1761 bool
1762
1763config SYS_SUPPORTS_100HZ
1764 bool
1765
1766config SYS_SUPPORTS_128HZ
1767 bool
1768
1769config SYS_SUPPORTS_250HZ
1770 bool
1771
1772config SYS_SUPPORTS_256HZ
1773 bool
1774
1775config SYS_SUPPORTS_1000HZ
1776 bool
1777
1778config SYS_SUPPORTS_1024HZ
1779 bool
1780
1781config SYS_SUPPORTS_ARBIT_HZ
1782 bool
1783 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1784 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1785 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1786 !SYS_SUPPORTS_1024HZ
1787
1788config HZ
1789 int
1790 default 48 if HZ_48
1791 default 100 if HZ_100
1792 default 128 if HZ_128
1793 default 250 if HZ_250
1794 default 256 if HZ_256
1795 default 1000 if HZ_1000
1796 default 1024 if HZ_1024
1797
e80de850 1798source "kernel/Kconfig.preempt"
1da177e4 1799
1da177e4
LT
1800config MIPS_INSANE_LARGE
1801 bool "Support for large 64-bit configurations"
875d43e7 1802 depends on CPU_R10000 && 64BIT
1da177e4
LT
1803 help
1804 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1805 previous 64-bit processors which only supported 40 bit / 1TB. If you
1806 need processes of more than 1TB virtual address space, say Y here.
1807 This will result in additional memory usage, so it is not
1808 recommended for normal users.
1809
ea6e942b
AN
1810config KEXEC
1811 bool "Kexec system call (EXPERIMENTAL)"
1812 depends on EXPERIMENTAL
1813 help
1814 kexec is a system call that implements the ability to shutdown your
1815 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 1816 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
1817 you can start any kernel with it, not just Linux.
1818
01dd2fbf 1819 The name comes from the similarity to the exec system call.
ea6e942b
AN
1820
1821 It is an ongoing process to be certain the hardware in a machine
1822 is properly shutdown, so do not be surprised if this code does not
1823 initially work for you. It may help to enable device hotplugging
1824 support. As of this writing the exact hardware interface is
1825 strongly in flux, so no good recommendation can be made.
1826
1827config SECCOMP
1828 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 1829 depends on PROC_FS
ea6e942b
AN
1830 default y
1831 help
1832 This kernel feature is useful for number crunching applications
1833 that may need to compute untrusted bytecode during their
1834 execution. By using pipes or other transports made available to
1835 the process as file descriptors supporting the read/write
1836 syscalls, it's possible to isolate those applications in
1837 their own address space using seccomp. Once seccomp is
1838 enabled via /proc/<pid>/seccomp, it cannot be disabled
1839 and the task is only allowed to execute a few safe syscalls
1840 defined by each seccomp mode.
1841
1842 If unsure, say Y. Only embedded should say N here.
1843
5e83d430
RB
1844endmenu
1845
1da177e4
LT
1846config RWSEM_GENERIC_SPINLOCK
1847 bool
1848 default y
1849
1df0f0ff
AN
1850config LOCKDEP_SUPPORT
1851 bool
1852 default y
1853
1854config STACKTRACE_SUPPORT
1855 bool
1856 default y
1857
b6c3539b
RB
1858source "init/Kconfig"
1859
1da177e4
LT
1860menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1861
5e83d430
RB
1862config HW_HAS_EISA
1863 bool
1da177e4
LT
1864config HW_HAS_PCI
1865 bool
1866
1867config PCI
1868 bool "Support for PCI controller"
1869 depends on HW_HAS_PCI
abb4ae46 1870 select PCI_DOMAINS
1da177e4
LT
1871 help
1872 Find out whether you have a PCI motherboard. PCI is the name of a
1873 bus system, i.e. the way the CPU talks to the other stuff inside
1874 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1875 say Y, otherwise N.
1876
1877 The PCI-HOWTO, available from
1878 <http://www.tldp.org/docs.html#howto>, contains valuable
1879 information about which PCI hardware does work under Linux and which
1880 doesn't.
1881
1882config PCI_DOMAINS
1883 bool
1da177e4
LT
1884
1885source "drivers/pci/Kconfig"
1886
1887#
1888# ISA support is now enabled via select. Too many systems still have the one
1889# or other ISA chip on the board that users don't know about so don't expect
1890# users to choose the right thing ...
1891#
1892config ISA
1893 bool
1894
1895config EISA
1896 bool "EISA support"
5e83d430 1897 depends on HW_HAS_EISA
1da177e4 1898 select ISA
aa414dff 1899 select GENERIC_ISA_DMA
1da177e4
LT
1900 ---help---
1901 The Extended Industry Standard Architecture (EISA) bus was
1902 developed as an open alternative to the IBM MicroChannel bus.
1903
1904 The EISA bus provided some of the features of the IBM MicroChannel
1905 bus while maintaining backward compatibility with cards made for
1906 the older ISA bus. The EISA bus saw limited use between 1988 and
1907 1995 when it was made obsolete by the PCI bus.
1908
1909 Say Y here if you are building a kernel for an EISA-based machine.
1910
1911 Otherwise, say N.
1912
1913source "drivers/eisa/Kconfig"
1914
1915config TC
1916 bool "TURBOchannel support"
1917 depends on MACH_DECSTATION
1918 help
1919 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1920 processors. Documentation on writing device drivers for TurboChannel
1921 is available at:
1922 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1923
1924#config ACCESSBUS
1925# bool "Access.Bus support"
1926# depends on TC
1927
1928config MMU
1929 bool
1930 default y
1931
d865bea4
RB
1932config I8253
1933 bool
1934
de61b542 1935config PCSPEAKER
e5c6c8e4
MN
1936 bool
1937
1da177e4
LT
1938source "drivers/pcmcia/Kconfig"
1939
1940source "drivers/pci/hotplug/Kconfig"
1941
1942endmenu
1943
1944menu "Executable file formats"
1945
1946source "fs/Kconfig.binfmt"
1947
1948config TRAD_SIGNALS
1949 bool
1da177e4 1950
1da177e4
LT
1951config BINFMT_IRIX
1952 bool "Include IRIX binary compatibility"
5e83d430 1953 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
1da177e4
LT
1954
1955config MIPS32_COMPAT
1956 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 1957 depends on 64BIT
1da177e4
LT
1958 help
1959 Select this option if you want Linux/MIPS 32-bit binary
1960 compatibility. Since all software available for Linux/MIPS is
1961 currently 32-bit you should say Y here.
1962
1963config COMPAT
1964 bool
1965 depends on MIPS32_COMPAT
1966 default y
1967
05e43966
AN
1968config SYSVIPC_COMPAT
1969 bool
1970 depends on COMPAT && SYSVIPC
1971 default y
1972
1da177e4
LT
1973config MIPS32_O32
1974 bool "Kernel support for o32 binaries"
1975 depends on MIPS32_COMPAT
1976 help
1977 Select this option if you want to run o32 binaries. These are pure
1978 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1979 existing binaries are in this format.
1980
1981 If unsure, say Y.
1982
1983config MIPS32_N32
1984 bool "Kernel support for n32 binaries"
1985 depends on MIPS32_COMPAT
1986 help
1987 Select this option if you want to run n32 binaries. These are
1988 64-bit binaries using 32-bit quantities for addressing and certain
1989 data that would normally be 64-bit. They are used in special
1990 cases.
1991
1992 If unsure, say N.
1993
1994config BINFMT_ELF32
1995 bool
1996 default y if MIPS32_O32 || MIPS32_N32
1997
2116245e
RB
1998endmenu
1999
2000menu "Power management options"
2001
2002source "kernel/power/Kconfig"
952fa954 2003
1da177e4
LT
2004endmenu
2005
d5950b43
SR
2006source "net/Kconfig"
2007
1da177e4
LT
2008source "drivers/Kconfig"
2009
2010source "fs/Kconfig"
2011
09cadedb 2012source "kernel/Kconfig.instrumentation"
5e83d430 2013
1da177e4
LT
2014source "arch/mips/Kconfig.debug"
2015
2016source "security/Kconfig"
2017
2018source "crypto/Kconfig"
2019
2020source "lib/Kconfig"