05663e5ddd39757190f5e9316808ad3a3d8c1092
[deliverable/linux.git] / arch / mips / Kconfig
1 config MIPS
2 bool
3 default y
4 # Horrible source of confusion. Die, die, die ...
5 select EMBEDDED
6
7 mainmenu "Linux/MIPS Kernel Configuration"
8
9 menu "Machine selection"
10
11 choice
12 prompt "System type"
13 default SGI_IP22
14
15 config MIPS_MTX1
16 bool "4G Systems MTX-1 board"
17 select DMA_NONCOHERENT
18 select HW_HAS_PCI
19 select SOC_AU1500
20 select SYS_HAS_CPU_MIPS32_R1
21 select SYS_SUPPORTS_LITTLE_ENDIAN
22
23 config MIPS_BOSPORUS
24 bool "AMD Alchemy Bosporus board"
25 select SOC_AU1500
26 select DMA_NONCOHERENT
27 select SYS_HAS_CPU_MIPS32_R1
28 select SYS_SUPPORTS_LITTLE_ENDIAN
29
30 config MIPS_PB1000
31 bool "AMD Alchemy PB1000 board"
32 select SOC_AU1000
33 select DMA_NONCOHERENT
34 select HW_HAS_PCI
35 select SWAP_IO_SPACE
36 select SYS_HAS_CPU_MIPS32_R1
37 select SYS_SUPPORTS_LITTLE_ENDIAN
38
39 config MIPS_PB1100
40 bool "AMD Alchemy PB1100 board"
41 select SOC_AU1100
42 select DMA_NONCOHERENT
43 select HW_HAS_PCI
44 select SWAP_IO_SPACE
45 select SYS_HAS_CPU_MIPS32_R1
46 select SYS_SUPPORTS_LITTLE_ENDIAN
47
48 config MIPS_PB1500
49 bool "AMD Alchemy PB1500 board"
50 select SOC_AU1500
51 select DMA_NONCOHERENT
52 select HW_HAS_PCI
53 select SYS_HAS_CPU_MIPS32_R1
54 select SYS_SUPPORTS_LITTLE_ENDIAN
55
56 config MIPS_PB1550
57 bool "AMD Alchemy PB1550 board"
58 select SOC_AU1550
59 select DMA_NONCOHERENT
60 select HW_HAS_PCI
61 select MIPS_DISABLE_OBSOLETE_IDE
62 select SYS_HAS_CPU_MIPS32_R1
63 select SYS_SUPPORTS_LITTLE_ENDIAN
64
65 config MIPS_PB1200
66 bool "AMD Alchemy PB1200 board"
67 select SOC_AU1200
68 select DMA_NONCOHERENT
69 select MIPS_DISABLE_OBSOLETE_IDE
70 select SYS_HAS_CPU_MIPS32_R1
71 select SYS_SUPPORTS_LITTLE_ENDIAN
72
73 config MIPS_DB1000
74 bool "AMD Alchemy DB1000 board"
75 select SOC_AU1000
76 select DMA_NONCOHERENT
77 select HW_HAS_PCI
78 select SYS_HAS_CPU_MIPS32_R1
79 select SYS_SUPPORTS_LITTLE_ENDIAN
80
81 config MIPS_DB1100
82 bool "AMD Alchemy DB1100 board"
83 select SOC_AU1100
84 select DMA_NONCOHERENT
85 select SYS_HAS_CPU_MIPS32_R1
86 select SYS_SUPPORTS_LITTLE_ENDIAN
87
88 config MIPS_DB1500
89 bool "AMD Alchemy DB1500 board"
90 select SOC_AU1500
91 select DMA_NONCOHERENT
92 select HW_HAS_PCI
93 select MIPS_DISABLE_OBSOLETE_IDE
94 select SYS_HAS_CPU_MIPS32_R1
95 select SYS_SUPPORTS_BIG_ENDIAN
96 select SYS_SUPPORTS_LITTLE_ENDIAN
97
98 config MIPS_DB1550
99 bool "AMD Alchemy DB1550 board"
100 select SOC_AU1550
101 select HW_HAS_PCI
102 select DMA_NONCOHERENT
103 select MIPS_DISABLE_OBSOLETE_IDE
104 select SYS_HAS_CPU_MIPS32_R1
105 select SYS_SUPPORTS_LITTLE_ENDIAN
106
107 config MIPS_DB1200
108 bool "AMD Alchemy DB1200 board"
109 select SOC_AU1200
110 select DMA_COHERENT
111 select MIPS_DISABLE_OBSOLETE_IDE
112 select SYS_HAS_CPU_MIPS32_R1
113 select SYS_SUPPORTS_LITTLE_ENDIAN
114
115 config MIPS_MIRAGE
116 bool "AMD Alchemy Mirage board"
117 select DMA_NONCOHERENT
118 select SOC_AU1500
119 select SYS_HAS_CPU_MIPS32_R1
120 select SYS_SUPPORTS_LITTLE_ENDIAN
121
122 config BASLER_EXCITE
123 bool "Basler eXcite smart camera support"
124 select DMA_COHERENT
125 select HW_HAS_PCI
126 select IRQ_CPU
127 select IRQ_CPU_RM7K
128 select IRQ_CPU_RM9K
129 select SERIAL_RM9000
130 select SYS_HAS_CPU_RM9000
131 select SYS_SUPPORTS_32BIT_KERNEL
132 select SYS_SUPPORTS_64BIT_KERNEL
133 select SYS_SUPPORTS_BIG_ENDIAN
134 help
135 The eXcite is a smart camera platform manufactured by
136 Basler Vision Technologies AG
137
138 config BASLER_EXCITE_PROTOTYPE
139 bool "Support for pre-release units"
140 depends on BASLER_EXCITE
141 default n
142 help
143 Pre-series (prototype) units are different from later ones in
144 some ways. Select this option if you have one of these. Please
145 note that a kernel built with this option selected will not be
146 able to run on normal units.
147
148 config MIPS_COBALT
149 bool "Cobalt Server"
150 select DMA_NONCOHERENT
151 select HW_HAS_PCI
152 select I8259
153 select IRQ_CPU
154 select MIPS_GT64111
155 select SYS_HAS_CPU_NEVADA
156 select SYS_SUPPORTS_32BIT_KERNEL
157 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
158 select SYS_SUPPORTS_LITTLE_ENDIAN
159
160 config MACH_DECSTATION
161 bool "DECstations"
162 select BOOT_ELF32
163 select DMA_NONCOHERENT
164 select EARLY_PRINTK
165 select IRQ_CPU
166 select SYS_HAS_CPU_R3000
167 select SYS_HAS_CPU_R4X00
168 select SYS_SUPPORTS_32BIT_KERNEL
169 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
170 select SYS_SUPPORTS_LITTLE_ENDIAN
171 select SYS_SUPPORTS_128HZ
172 select SYS_SUPPORTS_256HZ
173 select SYS_SUPPORTS_1024HZ
174 help
175 This enables support for DEC's MIPS based workstations. For details
176 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
177 DECstation porting pages on <http://decstation.unix-ag.org/>.
178
179 If you have one of the following DECstation Models you definitely
180 want to choose R4xx0 for the CPU Type:
181
182 DECstation 5000/50
183 DECstation 5000/150
184 DECstation 5000/260
185 DECsystem 5900/260
186
187 otherwise choose R3000.
188
189 config MIPS_EV64120
190 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
191 depends on EXPERIMENTAL
192 select DMA_NONCOHERENT
193 select HW_HAS_PCI
194 select MIPS_GT64120
195 select SYS_HAS_CPU_R5000
196 select SYS_SUPPORTS_32BIT_KERNEL
197 select SYS_SUPPORTS_64BIT_KERNEL
198 select SYS_SUPPORTS_BIG_ENDIAN
199 help
200 This is an evaluation board based on the Galileo GT-64120
201 single-chip system controller that contains a MIPS R5000 compatible
202 core running at 75/100MHz. Their website is located at
203 <http://www.marvell.com/>. Say Y here if you wish to build a
204 kernel for this platform.
205
206 config MIPS_EV96100
207 bool "Galileo EV96100 Evaluation board (EXPERIMENTAL)"
208 depends on EXPERIMENTAL
209 select DMA_NONCOHERENT
210 select HW_HAS_PCI
211 select IRQ_CPU
212 select MIPS_GT96100
213 select RM7000_CPU_SCACHE
214 select SWAP_IO_SPACE
215 select SYS_HAS_CPU_R5000
216 select SYS_HAS_CPU_RM7000
217 select SYS_SUPPORTS_32BIT_KERNEL
218 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
219 select SYS_SUPPORTS_BIG_ENDIAN
220 help
221 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
222 communications controllers containing a MIPS R5000 compatible core
223 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
224 here if you wish to build a kernel for this platform.
225
226 config MIPS_IVR
227 bool "Globespan IVR board"
228 select DMA_NONCOHERENT
229 select HW_HAS_PCI
230 select ITE_BOARD_GEN
231 select SYS_HAS_CPU_NEVADA
232 select SYS_SUPPORTS_32BIT_KERNEL
233 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
234 select SYS_SUPPORTS_LITTLE_ENDIAN
235 help
236 This is an evaluation board built by Globespan to showcase thir
237 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
238 R5000 MIPS core. More information can be found out their website
239 located at <http://www.globespan.net/>. Say Y here if you wish to
240 build a kernel for this platform.
241
242 config MIPS_ITE8172
243 bool "ITE 8172G board"
244 select DMA_NONCOHERENT
245 select HW_HAS_PCI
246 select ITE_BOARD_GEN
247 select SYS_HAS_CPU_R5432
248 select SYS_HAS_CPU_NEVADA
249 select SYS_SUPPORTS_32BIT_KERNEL
250 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
251 select SYS_SUPPORTS_LITTLE_ENDIAN
252 help
253 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
254 with ATX form factor that utilizes a MIPS R5000 to work with its
255 ITE8172G companion internet appliance chip. The MIPS core can be
256 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
257 a kernel for this platform.
258
259 config MACH_JAZZ
260 bool "Jazz family of machines"
261 select ARC
262 select ARC32
263 select ARCH_MAY_HAVE_PC_FDC
264 select GENERIC_ISA_DMA
265 select I8253
266 select I8259
267 select ISA
268 select SYS_HAS_CPU_R4X00
269 select SYS_SUPPORTS_32BIT_KERNEL
270 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
271 select SYS_SUPPORTS_100HZ
272 help
273 This a family of machines based on the MIPS R4030 chipset which was
274 used by several vendors to build RISC/os and Windows NT workstations.
275 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
276 Olivetti M700-10 workstations.
277
278 config LASAT
279 bool "LASAT Networks platforms"
280 select DMA_NONCOHERENT
281 select HW_HAS_PCI
282 select MIPS_GT64120
283 select MIPS_NILE4
284 select R5000_CPU_SCACHE
285 select SYS_HAS_CPU_R5000
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
288 select SYS_SUPPORTS_LITTLE_ENDIAN
289
290 config MIPS_ATLAS
291 bool "MIPS Atlas board"
292 select BOOT_ELF32
293 select DMA_NONCOHERENT
294 select IRQ_CPU
295 select HW_HAS_PCI
296 select MIPS_BOARDS_GEN
297 select MIPS_BONITO64
298 select MIPS_GT64120
299 select MIPS_MSC
300 select RM7000_CPU_SCACHE
301 select SWAP_IO_SPACE
302 select SYS_HAS_CPU_MIPS32_R1
303 select SYS_HAS_CPU_MIPS32_R2
304 select SYS_HAS_CPU_MIPS64_R1
305 select SYS_HAS_CPU_NEVADA
306 select SYS_HAS_CPU_RM7000
307 select SYS_SUPPORTS_32BIT_KERNEL
308 select SYS_SUPPORTS_64BIT_KERNEL
309 select SYS_SUPPORTS_BIG_ENDIAN
310 select SYS_SUPPORTS_LITTLE_ENDIAN
311 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
312 help
313 This enables support for the MIPS Technologies Atlas evaluation
314 board.
315
316 config MIPS_MALTA
317 bool "MIPS Malta board"
318 select ARCH_MAY_HAVE_PC_FDC
319 select BOOT_ELF32
320 select HAVE_STD_PC_SERIAL_PORT
321 select DMA_NONCOHERENT
322 select IRQ_CPU
323 select GENERIC_ISA_DMA
324 select HW_HAS_PCI
325 select I8259
326 select MIPS_BOARDS_GEN
327 select MIPS_BONITO64
328 select MIPS_GT64120
329 select MIPS_MSC
330 select SWAP_IO_SPACE
331 select SYS_HAS_CPU_MIPS32_R1
332 select SYS_HAS_CPU_MIPS32_R2
333 select SYS_HAS_CPU_MIPS64_R1
334 select SYS_HAS_CPU_NEVADA
335 select SYS_HAS_CPU_RM7000
336 select SYS_SUPPORTS_32BIT_KERNEL
337 select SYS_SUPPORTS_64BIT_KERNEL
338 select SYS_SUPPORTS_BIG_ENDIAN
339 select SYS_SUPPORTS_LITTLE_ENDIAN
340 select SYS_SUPPORTS_MULTITHREADING
341 help
342 This enables support for the MIPS Technologies Malta evaluation
343 board.
344
345 config MIPS_SEAD
346 bool "MIPS SEAD board (EXPERIMENTAL)"
347 depends on EXPERIMENTAL
348 select IRQ_CPU
349 select DMA_NONCOHERENT
350 select MIPS_BOARDS_GEN
351 select SYS_HAS_CPU_MIPS32_R1
352 select SYS_HAS_CPU_MIPS32_R2
353 select SYS_HAS_CPU_MIPS64_R1
354 select SYS_SUPPORTS_32BIT_KERNEL
355 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
356 select SYS_SUPPORTS_BIG_ENDIAN
357 select SYS_SUPPORTS_LITTLE_ENDIAN
358 help
359 This enables support for the MIPS Technologies SEAD evaluation
360 board.
361
362 config WR_PPMC
363 bool "Wind River PPMC board"
364 select IRQ_CPU
365 select BOOT_ELF32
366 select DMA_NONCOHERENT
367 select HW_HAS_PCI
368 select MIPS_GT64120
369 select SWAP_IO_SPACE
370 select SYS_HAS_CPU_MIPS32_R1
371 select SYS_HAS_CPU_MIPS32_R2
372 select SYS_HAS_CPU_MIPS64_R1
373 select SYS_HAS_CPU_NEVADA
374 select SYS_HAS_CPU_RM7000
375 select SYS_SUPPORTS_32BIT_KERNEL
376 select SYS_SUPPORTS_64BIT_KERNEL
377 select SYS_SUPPORTS_BIG_ENDIAN
378 select SYS_SUPPORTS_LITTLE_ENDIAN
379 help
380 This enables support for the Wind River MIPS32 4KC PPMC evaluation
381 board, which is based on GT64120 bridge chip.
382
383 config MIPS_SIM
384 bool 'MIPS simulator (MIPSsim)'
385 select DMA_NONCOHERENT
386 select IRQ_CPU
387 select SYS_HAS_CPU_MIPS32_R1
388 select SYS_HAS_CPU_MIPS32_R2
389 select SYS_SUPPORTS_32BIT_KERNEL
390 select SYS_SUPPORTS_BIG_ENDIAN
391 select SYS_SUPPORTS_LITTLE_ENDIAN
392 help
393 This option enables support for MIPS Technologies MIPSsim software
394 emulator.
395
396 config MOMENCO_JAGUAR_ATX
397 bool "Momentum Jaguar board"
398 select BOOT_ELF32
399 select DMA_NONCOHERENT
400 select HW_HAS_PCI
401 select IRQ_CPU
402 select IRQ_CPU_RM7K
403 select IRQ_MV64340
404 select LIMITED_DMA
405 select PCI_MARVELL
406 select RM7000_CPU_SCACHE
407 select SWAP_IO_SPACE
408 select SYS_HAS_CPU_RM9000
409 select SYS_SUPPORTS_32BIT_KERNEL
410 select SYS_SUPPORTS_64BIT_KERNEL
411 select SYS_SUPPORTS_BIG_ENDIAN
412 help
413 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
414 Momentum Computer <http://www.momenco.com/>.
415
416 config MOMENCO_OCELOT
417 bool "Momentum Ocelot board"
418 select DMA_NONCOHERENT
419 select HW_HAS_PCI
420 select IRQ_CPU
421 select IRQ_CPU_RM7K
422 select MIPS_GT64120
423 select RM7000_CPU_SCACHE
424 select SWAP_IO_SPACE
425 select SYS_HAS_CPU_RM7000
426 select SYS_SUPPORTS_32BIT_KERNEL
427 select SYS_SUPPORTS_64BIT_KERNEL
428 select SYS_SUPPORTS_BIG_ENDIAN
429 help
430 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
431 Momentum Computer <http://www.momenco.com/>.
432
433 config MOMENCO_OCELOT_3
434 bool "Momentum Ocelot-3 board"
435 select BOOT_ELF32
436 select DMA_NONCOHERENT
437 select HW_HAS_PCI
438 select IRQ_CPU
439 select IRQ_CPU_RM7K
440 select IRQ_MV64340
441 select PCI_MARVELL
442 select RM7000_CPU_SCACHE
443 select SWAP_IO_SPACE
444 select SYS_HAS_CPU_RM9000
445 select SYS_SUPPORTS_32BIT_KERNEL
446 select SYS_SUPPORTS_64BIT_KERNEL
447 select SYS_SUPPORTS_BIG_ENDIAN
448 help
449 The Ocelot-3 is based off Discovery III System Controller and
450 PMC-Sierra Rm79000 core.
451
452 config MOMENCO_OCELOT_C
453 bool "Momentum Ocelot-C board"
454 select DMA_NONCOHERENT
455 select HW_HAS_PCI
456 select IRQ_CPU
457 select IRQ_MV64340
458 select PCI_MARVELL
459 select RM7000_CPU_SCACHE
460 select SWAP_IO_SPACE
461 select SYS_HAS_CPU_RM7000
462 select SYS_SUPPORTS_32BIT_KERNEL
463 select SYS_SUPPORTS_64BIT_KERNEL
464 select SYS_SUPPORTS_BIG_ENDIAN
465 help
466 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
467 Momentum Computer <http://www.momenco.com/>.
468
469 config MOMENCO_OCELOT_G
470 bool "Momentum Ocelot-G board"
471 select DMA_NONCOHERENT
472 select HW_HAS_PCI
473 select IRQ_CPU
474 select IRQ_CPU_RM7K
475 select PCI_MARVELL
476 select RM7000_CPU_SCACHE
477 select SWAP_IO_SPACE
478 select SYS_HAS_CPU_RM7000
479 select SYS_SUPPORTS_32BIT_KERNEL
480 select SYS_SUPPORTS_64BIT_KERNEL
481 select SYS_SUPPORTS_BIG_ENDIAN
482 help
483 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
484 Momentum Computer <http://www.momenco.com/>.
485
486 config MIPS_XXS1500
487 bool "MyCable XXS1500 board"
488 select DMA_NONCOHERENT
489 select SOC_AU1500
490 select SYS_SUPPORTS_LITTLE_ENDIAN
491
492 config PNX8550_V2PCI
493 bool "Philips PNX8550 based Viper2-PCI board"
494 depends on BROKEN
495 select PNX8550
496 select SYS_SUPPORTS_LITTLE_ENDIAN
497
498 config PNX8550_JBS
499 bool "Philips PNX8550 based JBS board"
500 depends on BROKEN
501 select PNX8550
502 select SYS_SUPPORTS_LITTLE_ENDIAN
503
504 config DDB5477
505 bool "NEC DDB Vrc-5477"
506 select DDB5XXX_COMMON
507 select DMA_NONCOHERENT
508 select HW_HAS_PCI
509 select I8259
510 select IRQ_CPU
511 select SYS_HAS_CPU_R5432
512 select SYS_SUPPORTS_32BIT_KERNEL
513 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
514 select SYS_SUPPORTS_LITTLE_ENDIAN
515 help
516 This enables support for the R5432-based NEC DDB Vrc-5477,
517 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
518
519 Features : kernel debugging, serial terminal, NFS root fs, on-board
520 ether port USB, AC97, PCI, etc.
521
522 config MACH_VR41XX
523 bool "NEC VR41XX-based machines"
524 select SYS_HAS_CPU_VR41XX
525 select SYS_SUPPORTS_32BIT_KERNEL
526 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
527
528 config PMC_YOSEMITE
529 bool "PMC-Sierra Yosemite eval board"
530 select DMA_COHERENT
531 select HW_HAS_PCI
532 select IRQ_CPU
533 select IRQ_CPU_RM7K
534 select IRQ_CPU_RM9K
535 select SWAP_IO_SPACE
536 select SYS_HAS_CPU_RM9000
537 select SYS_SUPPORTS_32BIT_KERNEL
538 select SYS_SUPPORTS_64BIT_KERNEL
539 select SYS_SUPPORTS_BIG_ENDIAN
540 select SYS_SUPPORTS_HIGHMEM
541 select SYS_SUPPORTS_SMP
542 help
543 Yosemite is an evaluation board for the RM9000x2 processor
544 manufactured by PMC-Sierra.
545
546 config QEMU
547 bool "Qemu"
548 select DMA_COHERENT
549 select GENERIC_ISA_DMA
550 select HAVE_STD_PC_SERIAL_PORT
551 select I8253
552 select I8259
553 select ISA
554 select SWAP_IO_SPACE
555 select SYS_HAS_CPU_MIPS32_R1
556 select SYS_SUPPORTS_32BIT_KERNEL
557 select SYS_SUPPORTS_BIG_ENDIAN
558 help
559 Qemu is a software emulator which among other architectures also
560 can simulate a MIPS32 4Kc system. This patch adds support for the
561 system architecture that currently is being simulated by Qemu. It
562 will eventually be removed again when Qemu has the capability to
563 simulate actual MIPS hardware platforms. More information on Qemu
564 can be found at http://www.linux-mips.org/wiki/Qemu.
565
566 config MARKEINS
567 bool "Support for NEC EMMA2RH Mark-eins"
568 select DMA_NONCOHERENT
569 select HW_HAS_PCI
570 select IRQ_CPU
571 select SWAP_IO_SPACE
572 select SYS_SUPPORTS_32BIT_KERNEL
573 select SYS_SUPPORTS_BIG_ENDIAN
574 select SYS_SUPPORTS_LITTLE_ENDIAN
575 select SYS_HAS_CPU_R5000
576 help
577 This enables support for the R5432-based NEC Mark-eins
578 boards with R5500 CPU.
579
580 config SGI_IP22
581 bool "SGI IP22 (Indy/Indigo2)"
582 select ARC
583 select ARC32
584 select BOOT_ELF32
585 select DMA_NONCOHERENT
586 select HW_HAS_EISA
587 select IP22_CPU_SCACHE
588 select IRQ_CPU
589 select NO_ISA if ISA
590 select SWAP_IO_SPACE
591 select SYS_HAS_CPU_R4X00
592 select SYS_HAS_CPU_R5000
593 select SYS_SUPPORTS_32BIT_KERNEL
594 select SYS_SUPPORTS_64BIT_KERNEL
595 select SYS_SUPPORTS_BIG_ENDIAN
596 select SYS_SUPPORTS_SMP
597 help
598 This are the SGI Indy, Challenge S and Indigo2, as well as certain
599 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
600 that runs on these, say Y here.
601
602 config SGI_IP27
603 bool "SGI IP27 (Origin200/2000)"
604 select ARC
605 select ARC64
606 select BOOT_ELF64
607 select DMA_IP27
608 select HW_HAS_PCI
609 select PCI_DOMAINS
610 select SYS_HAS_CPU_R10000
611 select SYS_SUPPORTS_64BIT_KERNEL
612 select SYS_SUPPORTS_BIG_ENDIAN
613 select SYS_SUPPORTS_NUMA
614 help
615 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
616 workstations. To compile a Linux kernel that runs on these, say Y
617 here.
618
619 config SGI_IP32
620 bool "SGI IP32 (O2) (EXPERIMENTAL)"
621 depends on EXPERIMENTAL
622 select ARC
623 select ARC32
624 select BOOT_ELF32
625 select OWN_DMA
626 select DMA_IP32
627 select DMA_NONCOHERENT
628 select HW_HAS_PCI
629 select R5000_CPU_SCACHE
630 select RM7000_CPU_SCACHE
631 select SYS_HAS_CPU_R5000
632 select SYS_HAS_CPU_R10000 if BROKEN
633 select SYS_HAS_CPU_RM7000
634 select SYS_HAS_CPU_NEVADA
635 select SYS_SUPPORTS_64BIT_KERNEL
636 select SYS_SUPPORTS_BIG_ENDIAN
637 help
638 If you want this kernel to run on SGI O2 workstation, say Y here.
639
640 config SIBYTE_BIGSUR
641 bool "Sibyte BCM91480B-BigSur"
642 select BOOT_ELF32
643 select DMA_COHERENT
644 select PCI_DOMAINS
645 select SIBYTE_BCM1x80
646 select SWAP_IO_SPACE
647 select SYS_HAS_CPU_SB1
648 select SYS_SUPPORTS_BIG_ENDIAN
649 select SYS_SUPPORTS_LITTLE_ENDIAN
650
651 config SIBYTE_SWARM
652 bool "Sibyte BCM91250A-SWARM"
653 select BOOT_ELF32
654 select DMA_COHERENT
655 select SIBYTE_SB1250
656 select SWAP_IO_SPACE
657 select SYS_HAS_CPU_SB1
658 select SYS_SUPPORTS_BIG_ENDIAN
659 select SYS_SUPPORTS_HIGHMEM
660 select SYS_SUPPORTS_LITTLE_ENDIAN
661
662 config SIBYTE_SENTOSA
663 bool "Sibyte BCM91250E-Sentosa"
664 depends on EXPERIMENTAL
665 select BOOT_ELF32
666 select DMA_COHERENT
667 select SIBYTE_SB1250
668 select SWAP_IO_SPACE
669 select SYS_HAS_CPU_SB1
670 select SYS_SUPPORTS_BIG_ENDIAN
671 select SYS_SUPPORTS_LITTLE_ENDIAN
672
673 config SIBYTE_RHONE
674 bool "Sibyte BCM91125E-Rhone"
675 depends on EXPERIMENTAL
676 select BOOT_ELF32
677 select DMA_COHERENT
678 select SIBYTE_BCM1125H
679 select SWAP_IO_SPACE
680 select SYS_HAS_CPU_SB1
681 select SYS_SUPPORTS_BIG_ENDIAN
682 select SYS_SUPPORTS_LITTLE_ENDIAN
683
684 config SIBYTE_CARMEL
685 bool "Sibyte BCM91120x-Carmel"
686 depends on EXPERIMENTAL
687 select BOOT_ELF32
688 select DMA_COHERENT
689 select SIBYTE_BCM1120
690 select SWAP_IO_SPACE
691 select SYS_HAS_CPU_SB1
692 select SYS_SUPPORTS_BIG_ENDIAN
693 select SYS_SUPPORTS_LITTLE_ENDIAN
694
695 config SIBYTE_PTSWARM
696 bool "Sibyte BCM91250PT-PTSWARM"
697 depends on EXPERIMENTAL
698 select BOOT_ELF32
699 select DMA_COHERENT
700 select SIBYTE_SB1250
701 select SWAP_IO_SPACE
702 select SYS_HAS_CPU_SB1
703 select SYS_SUPPORTS_BIG_ENDIAN
704 select SYS_SUPPORTS_HIGHMEM
705 select SYS_SUPPORTS_LITTLE_ENDIAN
706
707 config SIBYTE_LITTLESUR
708 bool "Sibyte BCM91250C2-LittleSur"
709 depends on EXPERIMENTAL
710 select BOOT_ELF32
711 select DMA_COHERENT
712 select SIBYTE_SB1250
713 select SWAP_IO_SPACE
714 select SYS_HAS_CPU_SB1
715 select SYS_SUPPORTS_BIG_ENDIAN
716 select SYS_SUPPORTS_HIGHMEM
717 select SYS_SUPPORTS_LITTLE_ENDIAN
718
719 config SIBYTE_CRHINE
720 bool "Sibyte BCM91120C-CRhine"
721 depends on EXPERIMENTAL
722 select BOOT_ELF32
723 select DMA_COHERENT
724 select SIBYTE_BCM1120
725 select SWAP_IO_SPACE
726 select SYS_HAS_CPU_SB1
727 select SYS_SUPPORTS_BIG_ENDIAN
728 select SYS_SUPPORTS_LITTLE_ENDIAN
729
730 config SIBYTE_CRHONE
731 bool "Sibyte BCM91125C-CRhone"
732 depends on EXPERIMENTAL
733 select BOOT_ELF32
734 select DMA_COHERENT
735 select SIBYTE_BCM1125
736 select SWAP_IO_SPACE
737 select SYS_HAS_CPU_SB1
738 select SYS_SUPPORTS_BIG_ENDIAN
739 select SYS_SUPPORTS_HIGHMEM
740 select SYS_SUPPORTS_LITTLE_ENDIAN
741
742 config SNI_RM200_PCI
743 bool "SNI RM200 PCI"
744 select ARC if CPU_LITTLE_ENDIAN
745 select ARC32 if CPU_LITTLE_ENDIAN
746 select ARCH_MAY_HAVE_PC_FDC
747 select BOOT_ELF32
748 select DMA_NONCOHERENT
749 select GENERIC_ISA_DMA
750 select HAVE_STD_PC_SERIAL_PORT
751 select HW_HAS_EISA
752 select HW_HAS_PCI
753 select I8253
754 select I8259
755 select ISA
756 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
757 select SYS_HAS_CPU_R4X00
758 select SYS_HAS_CPU_R5000
759 select R5000_CPU_SCACHE
760 select SYS_SUPPORTS_32BIT_KERNEL
761 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
762 select SYS_SUPPORTS_BIG_ENDIAN
763 select SYS_SUPPORTS_HIGHMEM
764 select SYS_SUPPORTS_LITTLE_ENDIAN
765 help
766 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
767 Nixdorf Informationssysteme (SNI), parent company of Pyramid
768 Technology and now in turn merged with Fujitsu. Say Y here to
769 support this machine type.
770
771 config TOSHIBA_JMR3927
772 bool "Toshiba JMR-TX3927 board"
773 select DMA_NONCOHERENT
774 select HW_HAS_PCI
775 select MIPS_TX3927
776 select SWAP_IO_SPACE
777 select SYS_HAS_CPU_TX39XX
778 select SYS_SUPPORTS_32BIT_KERNEL
779 select SYS_SUPPORTS_BIG_ENDIAN
780 select TOSHIBA_BOARDS
781
782 config TOSHIBA_RBTX4927
783 bool "Toshiba TBTX49[23]7 board"
784 select DMA_NONCOHERENT
785 select HAS_TXX9_SERIAL
786 select HW_HAS_PCI
787 select I8259
788 select ISA
789 select SWAP_IO_SPACE
790 select SYS_HAS_CPU_TX49XX
791 select SYS_SUPPORTS_32BIT_KERNEL
792 select SYS_SUPPORTS_64BIT_KERNEL
793 select SYS_SUPPORTS_BIG_ENDIAN
794 select TOSHIBA_BOARDS
795 help
796 This Toshiba board is based on the TX4927 processor. Say Y here to
797 support this machine type
798
799 config TOSHIBA_RBTX4938
800 bool "Toshiba RBTX4938 board"
801 select HAVE_STD_PC_SERIAL_PORT
802 select DMA_NONCOHERENT
803 select GENERIC_ISA_DMA
804 select HAS_TXX9_SERIAL
805 select HW_HAS_PCI
806 select I8259
807 select ISA
808 select SWAP_IO_SPACE
809 select SYS_HAS_CPU_TX49XX
810 select SYS_SUPPORTS_32BIT_KERNEL
811 select SYS_SUPPORTS_LITTLE_ENDIAN
812 select SYS_SUPPORTS_BIG_ENDIAN
813 select TOSHIBA_BOARDS
814 help
815 This Toshiba board is based on the TX4938 processor. Say Y here to
816 support this machine type
817
818 endchoice
819
820 source "arch/mips/ddb5xxx/Kconfig"
821 source "arch/mips/gt64120/ev64120/Kconfig"
822 source "arch/mips/jazz/Kconfig"
823 source "arch/mips/ite-boards/Kconfig"
824 source "arch/mips/lasat/Kconfig"
825 source "arch/mips/momentum/Kconfig"
826 source "arch/mips/pmc-sierra/Kconfig"
827 source "arch/mips/sgi-ip27/Kconfig"
828 source "arch/mips/sibyte/Kconfig"
829 source "arch/mips/tx4927/Kconfig"
830 source "arch/mips/tx4938/Kconfig"
831 source "arch/mips/vr41xx/Kconfig"
832 source "arch/mips/philips/pnx8550/common/Kconfig"
833 source "arch/mips/cobalt/Kconfig"
834
835 endmenu
836
837 config RWSEM_GENERIC_SPINLOCK
838 bool
839 default y
840
841 config RWSEM_XCHGADD_ALGORITHM
842 bool
843
844 config GENERIC_FIND_NEXT_BIT
845 bool
846 default y
847
848 config GENERIC_HWEIGHT
849 bool
850 default y
851
852 config GENERIC_CALIBRATE_DELAY
853 bool
854 default y
855
856 config SCHED_NO_NO_OMIT_FRAME_POINTER
857 bool
858 default y
859
860 #
861 # Select some configuration options automatically based on user selections.
862 #
863 config ARC
864 bool
865
866 config ARCH_MAY_HAVE_PC_FDC
867 bool
868
869 config DMA_COHERENT
870 bool
871
872 config DMA_IP27
873 bool
874
875 config DMA_IP32
876 bool
877 select DMA_NEED_PCI_MAP_STATE
878
879 config DMA_NONCOHERENT
880 bool
881 select DMA_NEED_PCI_MAP_STATE
882
883 config DMA_NEED_PCI_MAP_STATE
884 bool
885
886 config OWN_DMA
887 bool
888
889 config EARLY_PRINTK
890 bool
891
892 config GENERIC_ISA_DMA
893 bool
894
895 config I8259
896 bool
897
898 config LIMITED_DMA
899 bool
900 select HIGHMEM
901 select SYS_SUPPORTS_HIGHMEM
902
903 config MIPS_BONITO64
904 bool
905
906 config MIPS_MSC
907 bool
908
909 config MIPS_NILE4
910 bool
911
912 config MIPS_DISABLE_OBSOLETE_IDE
913 bool
914
915 #
916 # Endianess selection. Suffiently obscure so many users don't know what to
917 # answer,so we try hard to limit the available choices. Also the use of a
918 # choice statement should be more obvious to the user.
919 #
920 choice
921 prompt "Endianess selection"
922 help
923 Some MIPS machines can be configured for either little or big endian
924 byte order. These modes require different kernels and a different
925 Linux distribution. In general there is one prefered byteorder for a
926 particular system but some systems are just as commonly used in the
927 one or the other endianess.
928
929 config CPU_BIG_ENDIAN
930 bool "Big endian"
931 depends on SYS_SUPPORTS_BIG_ENDIAN
932
933 config CPU_LITTLE_ENDIAN
934 bool "Little endian"
935 depends on SYS_SUPPORTS_LITTLE_ENDIAN
936 help
937
938 endchoice
939
940 config SYS_SUPPORTS_BIG_ENDIAN
941 bool
942
943 config SYS_SUPPORTS_LITTLE_ENDIAN
944 bool
945
946 config IRQ_CPU
947 bool
948
949 config IRQ_CPU_RM7K
950 bool
951
952 config IRQ_CPU_RM9K
953 bool
954
955 config IRQ_MV64340
956 bool
957
958 config DDB5XXX_COMMON
959 bool
960
961 config MIPS_BOARDS_GEN
962 bool
963
964 config MIPS_GT64111
965 bool
966
967 config MIPS_GT64120
968 bool
969
970 config MIPS_TX3927
971 bool
972 select HAS_TXX9_SERIAL
973
974 config PCI_MARVELL
975 bool
976
977 config ITE_BOARD_GEN
978 bool
979
980 config SOC_AU1000
981 bool
982 select SOC_AU1X00
983
984 config SOC_AU1100
985 bool
986 select SOC_AU1X00
987
988 config SOC_AU1500
989 bool
990 select SOC_AU1X00
991
992 config SOC_AU1550
993 bool
994 select SOC_AU1X00
995
996 config SOC_AU1200
997 bool
998 select SOC_AU1X00
999
1000 config SOC_AU1X00
1001 bool
1002 select SYS_HAS_CPU_MIPS32_R1
1003 select SYS_SUPPORTS_32BIT_KERNEL
1004
1005 config PNX8550
1006 bool
1007 select SOC_PNX8550
1008
1009 config SOC_PNX8550
1010 bool
1011 select DMA_NONCOHERENT
1012 select HW_HAS_PCI
1013 select SYS_HAS_CPU_MIPS32_R1
1014 select SYS_SUPPORTS_32BIT_KERNEL
1015
1016 config SWAP_IO_SPACE
1017 bool
1018
1019 config EMMA2RH
1020 bool
1021 depends on MARKEINS
1022 default y
1023
1024 #
1025 # Unfortunately not all GT64120 systems run the chip at the same clock.
1026 # As the user for the clock rate and try to minimize the available options.
1027 #
1028 choice
1029 prompt "Galileo Chip Clock"
1030 #default SYSCLK_83 if MIPS_EV64120
1031 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1032 default SYSCLK_83 if MIPS_EV64120
1033 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1034
1035 config SYSCLK_75
1036 bool "75" if MIPS_EV64120
1037
1038 config SYSCLK_83
1039 bool "83.3" if MIPS_EV64120
1040
1041 config SYSCLK_100
1042 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1043
1044 endchoice
1045
1046 config ARC32
1047 bool
1048
1049 config AU1X00_USB_DEVICE
1050 bool
1051 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1052 default n
1053
1054 config MIPS_GT96100
1055 bool
1056 select MIPS_GT64120
1057
1058 config IT8172_CIR
1059 bool
1060 depends on MIPS_ITE8172 || MIPS_IVR
1061 default y
1062
1063 config IT8712
1064 bool
1065 depends on MIPS_ITE8172
1066 default y
1067
1068 config BOOT_ELF32
1069 bool
1070
1071 config MIPS_L1_CACHE_SHIFT
1072 int
1073 default "4" if MACH_DECSTATION
1074 default "7" if SGI_IP27
1075 default "5"
1076
1077 config HAVE_STD_PC_SERIAL_PORT
1078 bool
1079
1080 config ARC_CONSOLE
1081 bool "ARC console support"
1082 depends on SGI_IP22 || SNI_RM200_PCI
1083
1084 config ARC_MEMORY
1085 bool
1086 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1087 default y
1088
1089 config ARC_PROMLIB
1090 bool
1091 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1092 default y
1093
1094 config ARC64
1095 bool
1096
1097 config BOOT_ELF64
1098 bool
1099
1100 config TOSHIBA_BOARDS
1101 bool
1102
1103 menu "CPU selection"
1104
1105 choice
1106 prompt "CPU type"
1107 default CPU_R4X00
1108
1109 config CPU_MIPS32_R1
1110 bool "MIPS32 Release 1"
1111 depends on SYS_HAS_CPU_MIPS32_R1
1112 select CPU_HAS_LLSC
1113 select CPU_HAS_PREFETCH
1114 select CPU_SUPPORTS_32BIT_KERNEL
1115 select CPU_SUPPORTS_HIGHMEM
1116 help
1117 Choose this option to build a kernel for release 1 or later of the
1118 MIPS32 architecture. Most modern embedded systems with a 32-bit
1119 MIPS processor are based on a MIPS32 processor. If you know the
1120 specific type of processor in your system, choose those that one
1121 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1122 Release 2 of the MIPS32 architecture is available since several
1123 years so chances are you even have a MIPS32 Release 2 processor
1124 in which case you should choose CPU_MIPS32_R2 instead for better
1125 performance.
1126
1127 config CPU_MIPS32_R2
1128 bool "MIPS32 Release 2"
1129 depends on SYS_HAS_CPU_MIPS32_R2
1130 select CPU_HAS_LLSC
1131 select CPU_HAS_PREFETCH
1132 select CPU_SUPPORTS_32BIT_KERNEL
1133 select CPU_SUPPORTS_HIGHMEM
1134 help
1135 Choose this option to build a kernel for release 2 or later of the
1136 MIPS32 architecture. Most modern embedded systems with a 32-bit
1137 MIPS processor are based on a MIPS32 processor. If you know the
1138 specific type of processor in your system, choose those that one
1139 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1140
1141 config CPU_MIPS64_R1
1142 bool "MIPS64 Release 1"
1143 depends on SYS_HAS_CPU_MIPS64_R1
1144 select CPU_HAS_LLSC
1145 select CPU_HAS_PREFETCH
1146 select CPU_SUPPORTS_32BIT_KERNEL
1147 select CPU_SUPPORTS_64BIT_KERNEL
1148 select CPU_SUPPORTS_HIGHMEM
1149 help
1150 Choose this option to build a kernel for release 1 or later of the
1151 MIPS64 architecture. Many modern embedded systems with a 64-bit
1152 MIPS processor are based on a MIPS64 processor. If you know the
1153 specific type of processor in your system, choose those that one
1154 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1155 Release 2 of the MIPS64 architecture is available since several
1156 years so chances are you even have a MIPS64 Release 2 processor
1157 in which case you should choose CPU_MIPS64_R2 instead for better
1158 performance.
1159
1160 config CPU_MIPS64_R2
1161 bool "MIPS64 Release 2"
1162 depends on SYS_HAS_CPU_MIPS64_R2
1163 select CPU_HAS_LLSC
1164 select CPU_HAS_PREFETCH
1165 select CPU_SUPPORTS_32BIT_KERNEL
1166 select CPU_SUPPORTS_64BIT_KERNEL
1167 select CPU_SUPPORTS_HIGHMEM
1168 help
1169 Choose this option to build a kernel for release 2 or later of the
1170 MIPS64 architecture. Many modern embedded systems with a 64-bit
1171 MIPS processor are based on a MIPS64 processor. If you know the
1172 specific type of processor in your system, choose those that one
1173 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1174
1175 config CPU_R3000
1176 bool "R3000"
1177 depends on SYS_HAS_CPU_R3000
1178 select CPU_HAS_WB
1179 select CPU_SUPPORTS_32BIT_KERNEL
1180 select CPU_SUPPORTS_HIGHMEM
1181 help
1182 Please make sure to pick the right CPU type. Linux/MIPS is not
1183 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1184 *not* work on R4000 machines and vice versa. However, since most
1185 of the supported machines have an R4000 (or similar) CPU, R4x00
1186 might be a safe bet. If the resulting kernel does not work,
1187 try to recompile with R3000.
1188
1189 config CPU_TX39XX
1190 bool "R39XX"
1191 depends on SYS_HAS_CPU_TX39XX
1192 select CPU_SUPPORTS_32BIT_KERNEL
1193
1194 config CPU_VR41XX
1195 bool "R41xx"
1196 depends on SYS_HAS_CPU_VR41XX
1197 select CPU_SUPPORTS_32BIT_KERNEL
1198 select CPU_SUPPORTS_64BIT_KERNEL
1199 help
1200 The options selects support for the NEC VR4100 series of processors.
1201 Only choose this option if you have one of these processors as a
1202 kernel built with this option will not run on any other type of
1203 processor or vice versa.
1204
1205 config CPU_R4300
1206 bool "R4300"
1207 depends on SYS_HAS_CPU_R4300
1208 select CPU_HAS_LLSC
1209 select CPU_SUPPORTS_32BIT_KERNEL
1210 select CPU_SUPPORTS_64BIT_KERNEL
1211 help
1212 MIPS Technologies R4300-series processors.
1213
1214 config CPU_R4X00
1215 bool "R4x00"
1216 depends on SYS_HAS_CPU_R4X00
1217 select CPU_HAS_LLSC
1218 select CPU_SUPPORTS_32BIT_KERNEL
1219 select CPU_SUPPORTS_64BIT_KERNEL
1220 help
1221 MIPS Technologies R4000-series processors other than 4300, including
1222 the R4000, R4400, R4600, and 4700.
1223
1224 config CPU_TX49XX
1225 bool "R49XX"
1226 depends on SYS_HAS_CPU_TX49XX
1227 select CPU_HAS_LLSC
1228 select CPU_HAS_PREFETCH
1229 select CPU_SUPPORTS_32BIT_KERNEL
1230 select CPU_SUPPORTS_64BIT_KERNEL
1231
1232 config CPU_R5000
1233 bool "R5000"
1234 depends on SYS_HAS_CPU_R5000
1235 select CPU_HAS_LLSC
1236 select CPU_SUPPORTS_32BIT_KERNEL
1237 select CPU_SUPPORTS_64BIT_KERNEL
1238 help
1239 MIPS Technologies R5000-series processors other than the Nevada.
1240
1241 config CPU_R5432
1242 bool "R5432"
1243 depends on SYS_HAS_CPU_R5432
1244 select CPU_HAS_LLSC
1245 select CPU_SUPPORTS_32BIT_KERNEL
1246 select CPU_SUPPORTS_64BIT_KERNEL
1247
1248 config CPU_R6000
1249 bool "R6000"
1250 depends on EXPERIMENTAL
1251 select CPU_HAS_LLSC
1252 depends on SYS_HAS_CPU_R6000
1253 select CPU_SUPPORTS_32BIT_KERNEL
1254 help
1255 MIPS Technologies R6000 and R6000A series processors. Note these
1256 processors are extremly rare and the support for them is incomplete.
1257
1258 config CPU_NEVADA
1259 bool "RM52xx"
1260 depends on SYS_HAS_CPU_NEVADA
1261 select CPU_HAS_LLSC
1262 select CPU_SUPPORTS_32BIT_KERNEL
1263 select CPU_SUPPORTS_64BIT_KERNEL
1264 help
1265 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1266
1267 config CPU_R8000
1268 bool "R8000"
1269 depends on EXPERIMENTAL
1270 depends on SYS_HAS_CPU_R8000
1271 select CPU_HAS_LLSC
1272 select CPU_HAS_PREFETCH
1273 select CPU_SUPPORTS_64BIT_KERNEL
1274 help
1275 MIPS Technologies R8000 processors. Note these processors are
1276 uncommon and the support for them is incomplete.
1277
1278 config CPU_R10000
1279 bool "R10000"
1280 depends on SYS_HAS_CPU_R10000
1281 select CPU_HAS_LLSC
1282 select CPU_HAS_PREFETCH
1283 select CPU_SUPPORTS_32BIT_KERNEL
1284 select CPU_SUPPORTS_64BIT_KERNEL
1285 select CPU_SUPPORTS_HIGHMEM
1286 help
1287 MIPS Technologies R10000-series processors.
1288
1289 config CPU_RM7000
1290 bool "RM7000"
1291 depends on SYS_HAS_CPU_RM7000
1292 select CPU_HAS_LLSC
1293 select CPU_HAS_PREFETCH
1294 select CPU_SUPPORTS_32BIT_KERNEL
1295 select CPU_SUPPORTS_64BIT_KERNEL
1296 select CPU_SUPPORTS_HIGHMEM
1297
1298 config CPU_RM9000
1299 bool "RM9000"
1300 depends on SYS_HAS_CPU_RM9000
1301 select CPU_HAS_LLSC
1302 select CPU_HAS_PREFETCH
1303 select CPU_SUPPORTS_32BIT_KERNEL
1304 select CPU_SUPPORTS_64BIT_KERNEL
1305 select CPU_SUPPORTS_HIGHMEM
1306
1307 config CPU_SB1
1308 bool "SB1"
1309 depends on SYS_HAS_CPU_SB1
1310 select CPU_HAS_LLSC
1311 select CPU_SUPPORTS_32BIT_KERNEL
1312 select CPU_SUPPORTS_64BIT_KERNEL
1313 select CPU_SUPPORTS_HIGHMEM
1314
1315 endchoice
1316
1317 config SYS_HAS_CPU_MIPS32_R1
1318 bool
1319
1320 config SYS_HAS_CPU_MIPS32_R2
1321 bool
1322
1323 config SYS_HAS_CPU_MIPS64_R1
1324 bool
1325
1326 config SYS_HAS_CPU_MIPS64_R2
1327 bool
1328
1329 config SYS_HAS_CPU_R3000
1330 bool
1331
1332 config SYS_HAS_CPU_TX39XX
1333 bool
1334
1335 config SYS_HAS_CPU_VR41XX
1336 bool
1337
1338 config SYS_HAS_CPU_R4300
1339 bool
1340
1341 config SYS_HAS_CPU_R4X00
1342 bool
1343
1344 config SYS_HAS_CPU_TX49XX
1345 bool
1346
1347 config SYS_HAS_CPU_R5000
1348 bool
1349
1350 config SYS_HAS_CPU_R5432
1351 bool
1352
1353 config SYS_HAS_CPU_R6000
1354 bool
1355
1356 config SYS_HAS_CPU_NEVADA
1357 bool
1358
1359 config SYS_HAS_CPU_R8000
1360 bool
1361
1362 config SYS_HAS_CPU_R10000
1363 bool
1364
1365 config SYS_HAS_CPU_RM7000
1366 bool
1367
1368 config SYS_HAS_CPU_RM9000
1369 bool
1370
1371 config SYS_HAS_CPU_SB1
1372 bool
1373
1374 endmenu
1375
1376 #
1377 # These two indicate any levelof the MIPS32 and MIPS64 architecture
1378 #
1379 config CPU_MIPS32
1380 bool
1381 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1382
1383 config CPU_MIPS64
1384 bool
1385 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1386
1387 #
1388 # These two indicate the revision of the architecture, either 32 bot 64 bit.
1389 #
1390 config CPU_MIPSR1
1391 bool
1392 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1393
1394 config CPU_MIPSR2
1395 bool
1396 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1397
1398 config SYS_SUPPORTS_32BIT_KERNEL
1399 bool
1400 config SYS_SUPPORTS_64BIT_KERNEL
1401 bool
1402 config CPU_SUPPORTS_32BIT_KERNEL
1403 bool
1404 config CPU_SUPPORTS_64BIT_KERNEL
1405 bool
1406
1407 menu "Kernel type"
1408
1409 choice
1410
1411 prompt "Kernel code model"
1412 help
1413 You should only select this option if you have a workload that
1414 actually benefits from 64-bit processing or if your machine has
1415 large memory. You will only be presented a single option in this
1416 menu if your system does not support both 32-bit and 64-bit kernels.
1417
1418 config 32BIT
1419 bool "32-bit kernel"
1420 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1421 select TRAD_SIGNALS
1422 help
1423 Select this option if you want to build a 32-bit kernel.
1424 config 64BIT
1425 bool "64-bit kernel"
1426 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1427 help
1428 Select this option if you want to build a 64-bit kernel.
1429
1430 endchoice
1431
1432 choice
1433 prompt "Kernel page size"
1434 default PAGE_SIZE_4KB
1435
1436 config PAGE_SIZE_4KB
1437 bool "4kB"
1438 help
1439 This option select the standard 4kB Linux page size. On some
1440 R3000-family processors this is the only available page size. Using
1441 4kB page size will minimize memory consumption and is therefore
1442 recommended for low memory systems.
1443
1444 config PAGE_SIZE_8KB
1445 bool "8kB"
1446 depends on EXPERIMENTAL && CPU_R8000
1447 help
1448 Using 8kB page size will result in higher performance kernel at
1449 the price of higher memory consumption. This option is available
1450 only on the R8000 processor. Not that at the time of this writing
1451 this option is still high experimental; there are also issues with
1452 compatibility of user applications.
1453
1454 config PAGE_SIZE_16KB
1455 bool "16kB"
1456 depends on !CPU_R3000 && !CPU_TX39XX
1457 help
1458 Using 16kB page size will result in higher performance kernel at
1459 the price of higher memory consumption. This option is available on
1460 all non-R3000 family processors. Note that you will need a suitable
1461 Linux distribution to support this.
1462
1463 config PAGE_SIZE_64KB
1464 bool "64kB"
1465 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1466 help
1467 Using 64kB page size will result in higher performance kernel at
1468 the price of higher memory consumption. This option is available on
1469 all non-R3000 family processor. Not that at the time of this
1470 writing this option is still high experimental.
1471
1472 endchoice
1473
1474 config BOARD_SCACHE
1475 bool
1476
1477 config IP22_CPU_SCACHE
1478 bool
1479 select BOARD_SCACHE
1480
1481 config R5000_CPU_SCACHE
1482 bool
1483 select BOARD_SCACHE
1484
1485 config RM7000_CPU_SCACHE
1486 bool
1487 select BOARD_SCACHE
1488
1489 config SIBYTE_DMA_PAGEOPS
1490 bool "Use DMA to clear/copy pages"
1491 depends on CPU_SB1
1492 help
1493 Instead of using the CPU to zero and copy pages, use a Data Mover
1494 channel. These DMA channels are otherwise unused by the standard
1495 SiByte Linux port. Seems to give a small performance benefit.
1496
1497 config CPU_HAS_PREFETCH
1498 bool
1499
1500 choice
1501 prompt "MIPS MT options"
1502
1503 config MIPS_MT_DISABLED
1504 bool "Disable multithreading support."
1505 help
1506 Use this option if your workload can't take advantage of
1507 MIPS hardware multithreading support. On systems that don't have
1508 the option of an MT-enabled processor this option will be the only
1509 option in this menu.
1510
1511 config MIPS_MT_SMTC
1512 bool "SMTC: Use all TCs on all VPEs for SMP"
1513 depends on CPU_MIPS32_R2
1514 #depends on CPU_MIPS64_R2 # once there is hardware ...
1515 depends on SYS_SUPPORTS_MULTITHREADING
1516 select CPU_MIPSR2_IRQ_VI
1517 select CPU_MIPSR2_SRS
1518 select MIPS_MT
1519 select SMP
1520 help
1521 This is a kernel model which is known a SMTC or lately has been
1522 marketesed into SMVP.
1523
1524 config MIPS_MT_SMP
1525 bool "Use 1 TC on each available VPE for SMP"
1526 depends on SYS_SUPPORTS_MULTITHREADING
1527 select CPU_MIPSR2_IRQ_VI
1528 select CPU_MIPSR2_SRS
1529 select MIPS_MT
1530 select SMP
1531 help
1532 This is a kernel model which is also known a VSMP or lately
1533 has been marketesed into SMVP.
1534
1535 config MIPS_VPE_LOADER
1536 bool "VPE loader support."
1537 depends on SYS_SUPPORTS_MULTITHREADING
1538 select MIPS_MT
1539 help
1540 Includes a loader for loading an elf relocatable object
1541 onto another VPE and running it.
1542
1543 endchoice
1544
1545 config MIPS_MT
1546 bool
1547
1548 config SYS_SUPPORTS_MULTITHREADING
1549 bool
1550
1551 config MIPS_MT_FPAFF
1552 bool "Dynamic FPU affinity for FP-intensive threads"
1553 depends on MIPS_MT
1554 default y
1555
1556 config MIPS_VPE_LOADER_TOM
1557 bool "Load VPE program into memory hidden from linux"
1558 depends on MIPS_VPE_LOADER
1559 default y
1560 help
1561 The loader can use memory that is present but has been hidden from
1562 Linux using the kernel command line option "mem=xxMB". It's up to
1563 you to ensure the amount you put in the option and the space your
1564 program requires is less or equal to the amount physically present.
1565
1566 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1567 config MIPS_VPE_APSP_API
1568 bool "Enable support for AP/SP API (RTLX)"
1569 depends on MIPS_VPE_LOADER
1570 help
1571
1572 config MIPS_APSP_KSPD
1573 bool "Enable KSPD"
1574 depends on MIPS_VPE_APSP_API
1575 default y
1576 help
1577 KSPD is a kernel daemon that accepts syscall requests from the SP
1578 side, actions them and returns the results. It also handles the
1579 "exit" syscall notifying other kernel modules the SP program is
1580 exiting. You probably want to say yes here.
1581
1582 config SB1_PASS_1_WORKAROUNDS
1583 bool
1584 depends on CPU_SB1_PASS_1
1585 default y
1586
1587 config SB1_PASS_2_WORKAROUNDS
1588 bool
1589 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1590 default y
1591
1592 config SB1_PASS_2_1_WORKAROUNDS
1593 bool
1594 depends on CPU_SB1 && CPU_SB1_PASS_2
1595 default y
1596
1597 config 64BIT_PHYS_ADDR
1598 bool "Support for 64-bit physical address space"
1599 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1600
1601 config CPU_HAS_LLSC
1602 bool
1603
1604 config CPU_HAS_WB
1605 bool
1606
1607 #
1608 # Vectored interrupt mode is an R2 feature
1609 #
1610 config CPU_MIPSR2_IRQ_VI
1611 bool
1612
1613 #
1614 # Extended interrupt mode is an R2 feature
1615 #
1616 config CPU_MIPSR2_IRQ_EI
1617 bool
1618
1619 #
1620 # Shadow registers are an R2 feature
1621 #
1622 config CPU_MIPSR2_SRS
1623 bool
1624
1625 config CPU_HAS_SYNC
1626 bool
1627 depends on !CPU_R3000
1628 default y
1629
1630 #
1631 # Use the generic interrupt handling code in kernel/irq/:
1632 #
1633 config GENERIC_HARDIRQS
1634 bool
1635 default y
1636
1637 config GENERIC_IRQ_PROBE
1638 bool
1639 default y
1640
1641 #
1642 # - Highmem only makes sense for the 32-bit kernel.
1643 # - The current highmem code will only work properly on physically indexed
1644 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1645 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1646 # moment we protect the user and offer the highmem option only on machines
1647 # where it's known to be safe. This will not offer highmem on a few systems
1648 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1649 # indexed CPUs but we're playing safe.
1650 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1651 # know they might have memory configurations that could make use of highmem
1652 # support.
1653 #
1654 config HIGHMEM
1655 bool "High Memory Support"
1656 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1657
1658 config CPU_SUPPORTS_HIGHMEM
1659 bool
1660
1661 config SYS_SUPPORTS_HIGHMEM
1662 bool
1663
1664 config ARCH_FLATMEM_ENABLE
1665 def_bool y
1666 depends on !NUMA
1667
1668 config ARCH_DISCONTIGMEM_ENABLE
1669 bool
1670 default y if SGI_IP27
1671 help
1672 Say Y to upport efficient handling of discontiguous physical memory,
1673 for architectures which are either NUMA (Non-Uniform Memory Access)
1674 or have huge holes in the physical address space for other reasons.
1675 See <file:Documentation/vm/numa> for more.
1676
1677 config NUMA
1678 bool "NUMA Support"
1679 depends on SYS_SUPPORTS_NUMA
1680 help
1681 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1682 Access). This option improves performance on systems with more
1683 than two nodes; on two node systems it is generally better to
1684 leave it disabled; on single node systems disable this option
1685 disabled.
1686
1687 config SYS_SUPPORTS_NUMA
1688 bool
1689
1690 config NODES_SHIFT
1691 int
1692 default "6"
1693 depends on NEED_MULTIPLE_NODES
1694
1695 source "mm/Kconfig"
1696
1697 config SMP
1698 bool "Multi-Processing support"
1699 depends on SYS_SUPPORTS_SMP
1700 help
1701 This enables support for systems with more than one CPU. If you have
1702 a system with only one CPU, like most personal computers, say N. If
1703 you have a system with more than one CPU, say Y.
1704
1705 If you say N here, the kernel will run on single and multiprocessor
1706 machines, but will use only one CPU of a multiprocessor machine. If
1707 you say Y here, the kernel will run on many, but not all,
1708 singleprocessor machines. On a singleprocessor machine, the kernel
1709 will run faster if you say N here.
1710
1711 People using multiprocessor machines who say Y here should also say
1712 Y to "Enhanced Real Time Clock Support", below.
1713
1714 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1715 available at <http://www.tldp.org/docs.html#howto>.
1716
1717 If you don't know what to do here, say N.
1718
1719 config SYS_SUPPORTS_SMP
1720 bool
1721
1722 config NR_CPUS
1723 int "Maximum number of CPUs (2-64)"
1724 range 2 64
1725 depends on SMP
1726 default "64" if SGI_IP27
1727 default "2"
1728 help
1729 This allows you to specify the maximum number of CPUs which this
1730 kernel will support. The maximum supported value is 32 for 32-bit
1731 kernel and 64 for 64-bit kernels; the minimum value which makes
1732 sense is 2.
1733
1734 This is purely to save memory - each supported CPU adds
1735 approximately eight kilobytes to the kernel image.
1736
1737 #
1738 # Timer Interrupt Frequency Configuration
1739 #
1740
1741 choice
1742 prompt "Timer frequency"
1743 default HZ_250
1744 help
1745 Allows the configuration of the timer frequency.
1746
1747 config HZ_48
1748 bool "48 HZ" if SYS_SUPPORTS_48HZ
1749
1750 config HZ_100
1751 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1752
1753 config HZ_128
1754 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1755
1756 config HZ_250
1757 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1758
1759 config HZ_256
1760 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1761
1762 config HZ_1000
1763 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1764
1765 config HZ_1024
1766 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1767
1768 endchoice
1769
1770 config SYS_SUPPORTS_48HZ
1771 bool
1772
1773 config SYS_SUPPORTS_100HZ
1774 bool
1775
1776 config SYS_SUPPORTS_128HZ
1777 bool
1778
1779 config SYS_SUPPORTS_250HZ
1780 bool
1781
1782 config SYS_SUPPORTS_256HZ
1783 bool
1784
1785 config SYS_SUPPORTS_1000HZ
1786 bool
1787
1788 config SYS_SUPPORTS_1024HZ
1789 bool
1790
1791 config SYS_SUPPORTS_ARBIT_HZ
1792 bool
1793 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1794 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1795 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1796 !SYS_SUPPORTS_1024HZ
1797
1798 config HZ
1799 int
1800 default 48 if HZ_48
1801 default 100 if HZ_100
1802 default 128 if HZ_128
1803 default 250 if HZ_250
1804 default 256 if HZ_256
1805 default 1000 if HZ_1000
1806 default 1024 if HZ_1024
1807
1808 source "kernel/Kconfig.preempt"
1809
1810 config RTC_DS1742
1811 bool "DS1742 BRAM/RTC support"
1812 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1813
1814 config MIPS_INSANE_LARGE
1815 bool "Support for large 64-bit configurations"
1816 depends on CPU_R10000 && 64BIT
1817 help
1818 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1819 previous 64-bit processors which only supported 40 bit / 1TB. If you
1820 need processes of more than 1TB virtual address space, say Y here.
1821 This will result in additional memory usage, so it is not
1822 recommended for normal users.
1823
1824 endmenu
1825
1826 config RWSEM_GENERIC_SPINLOCK
1827 bool
1828 default y
1829
1830 source "init/Kconfig"
1831
1832 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1833
1834 config HW_HAS_EISA
1835 bool
1836 config HW_HAS_PCI
1837 bool
1838
1839 config PCI
1840 bool "Support for PCI controller"
1841 depends on HW_HAS_PCI
1842 help
1843 Find out whether you have a PCI motherboard. PCI is the name of a
1844 bus system, i.e. the way the CPU talks to the other stuff inside
1845 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1846 say Y, otherwise N.
1847
1848 The PCI-HOWTO, available from
1849 <http://www.tldp.org/docs.html#howto>, contains valuable
1850 information about which PCI hardware does work under Linux and which
1851 doesn't.
1852
1853 config PCI_DOMAINS
1854 bool
1855 depends on PCI
1856
1857 source "drivers/pci/Kconfig"
1858
1859 #
1860 # ISA support is now enabled via select. Too many systems still have the one
1861 # or other ISA chip on the board that users don't know about so don't expect
1862 # users to choose the right thing ...
1863 #
1864 config ISA
1865 bool
1866
1867 config NO_ISA
1868 bool
1869
1870 config EISA
1871 bool "EISA support"
1872 depends on HW_HAS_EISA
1873 select ISA
1874 ---help---
1875 The Extended Industry Standard Architecture (EISA) bus was
1876 developed as an open alternative to the IBM MicroChannel bus.
1877
1878 The EISA bus provided some of the features of the IBM MicroChannel
1879 bus while maintaining backward compatibility with cards made for
1880 the older ISA bus. The EISA bus saw limited use between 1988 and
1881 1995 when it was made obsolete by the PCI bus.
1882
1883 Say Y here if you are building a kernel for an EISA-based machine.
1884
1885 Otherwise, say N.
1886
1887 source "drivers/eisa/Kconfig"
1888
1889 config TC
1890 bool "TURBOchannel support"
1891 depends on MACH_DECSTATION
1892 help
1893 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1894 processors. Documentation on writing device drivers for TurboChannel
1895 is available at:
1896 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1897
1898 #config ACCESSBUS
1899 # bool "Access.Bus support"
1900 # depends on TC
1901
1902 config MMU
1903 bool
1904 default y
1905
1906 config I8253
1907 bool
1908
1909 source "drivers/pcmcia/Kconfig"
1910
1911 source "drivers/pci/hotplug/Kconfig"
1912
1913 endmenu
1914
1915 menu "Executable file formats"
1916
1917 source "fs/Kconfig.binfmt"
1918
1919 config TRAD_SIGNALS
1920 bool
1921
1922 config BUILD_ELF64
1923 bool "Use 64-bit ELF format for building"
1924 depends on 64BIT
1925 help
1926 A 64-bit kernel is usually built using the 64-bit ELF binary object
1927 format as it's one that allows arbitrary 64-bit constructs. For
1928 kernels that are loaded within the KSEG compatibility segments the
1929 32-bit ELF format can optionally be used resulting in a somewhat
1930 smaller binary, but this option is not explicitly supported by the
1931 toolchain and since binutils 2.14 it does not even work at all.
1932
1933 Say Y to use the 64-bit format or N to use the 32-bit one.
1934
1935 If unsure say Y.
1936
1937 config BINFMT_IRIX
1938 bool "Include IRIX binary compatibility"
1939 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
1940
1941 config MIPS32_COMPAT
1942 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1943 depends on 64BIT
1944 help
1945 Select this option if you want Linux/MIPS 32-bit binary
1946 compatibility. Since all software available for Linux/MIPS is
1947 currently 32-bit you should say Y here.
1948
1949 config COMPAT
1950 bool
1951 depends on MIPS32_COMPAT
1952 default y
1953
1954 config MIPS32_O32
1955 bool "Kernel support for o32 binaries"
1956 depends on MIPS32_COMPAT
1957 help
1958 Select this option if you want to run o32 binaries. These are pure
1959 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1960 existing binaries are in this format.
1961
1962 If unsure, say Y.
1963
1964 config MIPS32_N32
1965 bool "Kernel support for n32 binaries"
1966 depends on MIPS32_COMPAT
1967 help
1968 Select this option if you want to run n32 binaries. These are
1969 64-bit binaries using 32-bit quantities for addressing and certain
1970 data that would normally be 64-bit. They are used in special
1971 cases.
1972
1973 If unsure, say N.
1974
1975 config BINFMT_ELF32
1976 bool
1977 default y if MIPS32_O32 || MIPS32_N32
1978
1979 config SECCOMP
1980 bool "Enable seccomp to safely compute untrusted bytecode"
1981 depends on PROC_FS && BROKEN
1982 default y
1983 help
1984 This kernel feature is useful for number crunching applications
1985 that may need to compute untrusted bytecode during their
1986 execution. By using pipes or other transports made available to
1987 the process as file descriptors supporting the read/write
1988 syscalls, it's possible to isolate those applications in
1989 their own address space using seccomp. Once seccomp is
1990 enabled via /proc/<pid>/seccomp, it cannot be disabled
1991 and the task is only allowed to execute a few safe syscalls
1992 defined by each seccomp mode.
1993
1994 If unsure, say Y. Only embedded should say N here.
1995
1996 config PM
1997 bool "Power Management support (EXPERIMENTAL)"
1998 depends on EXPERIMENTAL && SOC_AU1X00
1999
2000 config APM
2001 tristate "Advanced Power Management Emulation"
2002 depends on PM
2003 ---help---
2004 APM is a BIOS specification for saving power using several different
2005 techniques. This is mostly useful for battery powered systems with
2006 APM compliant BIOSes. If you say Y here, the system time will be
2007 reset after a RESUME operation, the /proc/apm device will provide
2008 battery status information, and user-space programs will receive
2009 notification of APM "events" (e.g. battery status change).
2010
2011 In order to use APM, you will need supporting software. For location
2012 and more information, read <file:Documentation/pm.txt> and the
2013 Battery Powered Linux mini-HOWTO, available from
2014 <http://www.tldp.org/docs.html#howto>.
2015
2016 This driver does not spin down disk drives (see the hdparm(8)
2017 manpage ("man 8 hdparm") for that), and it doesn't turn off
2018 VESA-compliant "green" monitors.
2019
2020 Generally, if you don't have a battery in your machine, there isn't
2021 much point in using this driver and you should say N. If you get
2022 random kernel OOPSes or reboots that don't seem to be related to
2023 anything, try disabling/enabling this option (or disabling/enabling
2024 APM in your BIOS).
2025
2026 endmenu
2027
2028 source "net/Kconfig"
2029
2030 source "drivers/Kconfig"
2031
2032 source "fs/Kconfig"
2033
2034 source "arch/mips/oprofile/Kconfig"
2035
2036 source "arch/mips/Kconfig.debug"
2037
2038 source "security/Kconfig"
2039
2040 source "crypto/Kconfig"
2041
2042 source "lib/Kconfig"
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