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[PATCH] MIPS Technologies PCI ID bits
[deliverable/linux.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
6
7config MIPS64
8 bool "64-bit kernel"
9 help
10 Select this option if you want to build a 64-bit kernel. You should
11 only select this option if you have hardware that actually has a
12 64-bit processor and if your application will actually benefit from
13 64-bit processing, otherwise say N. You must say Y for kernels for
14 SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2). If in doubt say N.
15
16config 64BIT
17 def_bool MIPS64
18
19config MIPS32
20 bool
21 depends on MIPS64 = 'n'
22 default y
23
24mainmenu "Linux/MIPS Kernel Configuration"
25
26source "init/Kconfig"
27
28menu "Machine selection"
29
30config MACH_JAZZ
31 bool "Support for the Jazz family of machines"
32 select ARC
33 select ARC32
34 select GENERIC_ISA_DMA
35 select I8259
36 select ISA
37 help
38 This a family of machines based on the MIPS R4030 chipset which was
39 used by several vendors to build RISC/os and Windows NT workstations.
40 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
41 Olivetti M700-10 workstations.
42
43config ACER_PICA_61
44 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
45 depends on MACH_JAZZ && EXPERIMENTAL
46 select DMA_NONCOHERENT
47 help
48 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
49 kernel that runs on these, say Y here. For details about Linux on
50 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
51 <http://www.linux-mips.org/>.
52
53config MIPS_MAGNUM_4000
54 bool "Support for MIPS Magnum 4000"
55 depends on MACH_JAZZ
56 select DMA_NONCOHERENT
57 help
58 This is a machine with a R4000 100 MHz CPU. To compile a Linux
59 kernel that runs on these, say Y here. For details about Linux on
60 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
61 <http://www.linux-mips.org/>.
62
63config OLIVETTI_M700
64 bool "Support for Olivetti M700-10"
65 depends on MACH_JAZZ
66 select DMA_NONCOHERENT
67 help
68 This is a machine with a R4000 100 MHz CPU. To compile a Linux
69 kernel that runs on these, say Y here. For details about Linux on
70 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
71 <http://www.linux-mips.org/>.
72
73config MACH_VR41XX
74 bool "Support for NEC VR41XX-based machines"
75
76config NEC_CMBVR4133
77 bool "Support for NEC CMB-VR4133"
78 depends on MACH_VR41XX
79 select CPU_VR41XX
80 select DMA_NONCOHERENT
81 select IRQ_CPU
82 select HW_HAS_PCI
83 select PCI_VR41XX
84
85config ROCKHOPPER
86 bool "Support for Rockhopper baseboard"
87 depends on NEC_CMBVR4133
88 select I8259
89 select HAVE_STD_PC_SERIAL_PORT
90
91config CASIO_E55
92 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
93 depends on MACH_VR41XX
94 select DMA_NONCOHERENT
95 select IRQ_CPU
96 select ISA
97
98config IBM_WORKPAD
99 bool "Support for IBM WorkPad z50"
100 depends on MACH_VR41XX
101 select DMA_NONCOHERENT
102 select IRQ_CPU
103 select ISA
104
105config TANBAC_TB0226
106 bool "Support for TANBAC TB0226 (Mbase)"
107 depends on MACH_VR41XX
108 select DMA_NONCOHERENT
109 select HW_HAS_PCI
110 select IRQ_CPU
111 help
112 The TANBAC TB0226 (Mbase) is a MIPS-based platform manufactured by TANBAC.
113 Please refer to <http://www.tanbac.co.jp/> about Mbase.
114
115config TANBAC_TB0229
116 bool "Support for TANBAC TB0229 (VR4131DIMM)"
117 depends on MACH_VR41XX
118 select DMA_NONCOHERENT
119 select HW_HAS_PCI
120 select IRQ_CPU
121 help
122 The TANBAC TB0229 (VR4131DIMM) is a MIPS-based platform manufactured by TANBAC.
123 Please refer to <http://www.tanbac.co.jp/> about VR4131DIMM.
124
125config VICTOR_MPC30X
126 bool "Support for Victor MP-C303/304"
127 select DMA_NONCOHERENT
128 select HW_HAS_PCI
129 select IRQ_CPU
130 depends on MACH_VR41XX
131
132config ZAO_CAPCELLA
133 bool "Support for ZAO Networks Capcella"
134 depends on MACH_VR41XX
135 select DMA_NONCOHERENT
136 select HW_HAS_PCI
137 select IRQ_CPU
138
139config PCI_VR41XX
140 bool "Add PCI control unit support of NEC VR4100 series"
141 depends on MACH_VR41XX && PCI
142
143config VRC4171
144 tristate "Add NEC VRC4171 companion chip support"
145 depends on MACH_VR41XX && ISA
146 ---help---
147 The NEC VRC4171/4171A is a companion chip for NEC VR4111/VR4121.
148
149config VRC4173
150 tristate "Add NEC VRC4173 companion chip support"
151 depends on MACH_VR41XX && PCI_VR41XX
152 ---help---
153 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
154
155config TOSHIBA_JMR3927
156 bool "Support for Toshiba JMR-TX3927 board"
157 depends on MIPS32
158 select DMA_NONCOHERENT
159 select HW_HAS_PCI
160 select SWAP_IO_SPACE
161
162config MIPS_COBALT
163 bool "Support for Cobalt Server (EXPERIMENTAL)"
164 depends on EXPERIMENTAL
165 select DMA_NONCOHERENT
166 select HW_HAS_PCI
167 select I8259
168 select IRQ_CPU
169
170config MACH_DECSTATION
171 bool "Support for DECstations"
172 select BOOT_ELF32
173 select DMA_NONCOHERENT
174 select IRQ_CPU
175 depends on MIPS32 || EXPERIMENTAL
176 ---help---
177 This enables support for DEC's MIPS based workstations. For details
178 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
179 DECstation porting pages on <http://decstation.unix-ag.org/>.
180
181 If you have one of the following DECstation Models you definitely
182 want to choose R4xx0 for the CPU Type:
183
184 DECstation 5000/50
185 DECstation 5000/150
186 DECstation 5000/260
187 DECsystem 5900/260
188
189 otherwise choose R3000.
190
191config MIPS_EV64120
192 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
193 depends on EXPERIMENTAL
194 select DMA_NONCOHERENT
195 select HW_HAS_PCI
196 select MIPS_GT64120
197 help
198 This is an evaluation board based on the Galileo GT-64120
199 single-chip system controller that contains a MIPS R5000 compatible
200 core running at 75/100MHz. Their website is located at
201 <http://www.marvell.com/>. Say Y here if you wish to build a
202 kernel for this platform.
203
204config EVB_PCI1
205 bool "Enable Second PCI (PCI1)"
206 depends on MIPS_EV64120
207
208config MIPS_EV96100
209 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
210 depends on EXPERIMENTAL
211 select DMA_NONCOHERENT
212 select HW_HAS_PCI
213 select IRQ_CPU
214 select MIPS_GT96100
215 select RM7000_CPU_SCACHE
216 select SWAP_IO_SPACE
217 help
218 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
219 communications controllers containing a MIPS R5000 compatible core
220 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
221 here if you wish to build a kernel for this platform.
222
223config MIPS_IVR
224 bool "Support for Globespan IVR board"
225 select DMA_NONCOHERENT
226 select HW_HAS_PCI
227 help
228 This is an evaluation board built by Globespan to showcase thir
229 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
230 R5000 MIPS core. More information can be found out their website
231 located at <http://www.globespan.net/>. Say Y here if you wish to
232 build a kernel for this platform.
233
234config LASAT
235 bool "Support for LASAT Networks platforms"
236 select DMA_NONCOHERENT
237 select HW_HAS_PCI
238 select MIPS_GT64120
239 select R5000_CPU_SCACHE
240
241config PICVUE
242 tristate "PICVUE LCD display driver"
243 depends on LASAT
244
245config PICVUE_PROC
246 tristate "PICVUE LCD display driver /proc interface"
247 depends on PICVUE
248
249config DS1603
250 bool "DS1603 RTC driver"
251 depends on LASAT
252
253config LASAT_SYSCTL
254 bool "LASAT sysctl interface"
255 depends on LASAT
256
257config MIPS_ITE8172
258 bool "Support for ITE 8172G board"
259 select DMA_NONCOHERENT
260 select HW_HAS_PCI
261 help
262 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
263 with ATX form factor that utilizes a MIPS R5000 to work with its
264 ITE8172G companion internet appliance chip. The MIPS core can be
265 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
266 a kernel for this platform.
267
268config IT8172_REVC
269 bool "Support for older IT8172 (Rev C)"
270 depends on MIPS_ITE8172
271 help
272 Say Y here to support the older, Revision C version of the Integrated
273 Technology Express, Inc. ITE8172 SBC. Vendor page at
274 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
275 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
276
277config MIPS_ATLAS
278 bool "Support for MIPS Atlas board"
279 select BOOT_ELF32
280 select DMA_NONCOHERENT
281 select HW_HAS_PCI
282 select MIPS_GT64120
283 select SWAP_IO_SPACE
284 help
285 This enables support for the QED R5231-based MIPS Atlas evaluation
286 board.
287
288config MIPS_MALTA
289 bool "Support for MIPS Malta board"
290 select BOOT_ELF32
291 select HAVE_STD_PC_SERIAL_PORT
292 select DMA_NONCOHERENT
293 select GENERIC_ISA_DMA
294 select HW_HAS_PCI
295 select I8259
296 select MIPS_GT64120
297 select SWAP_IO_SPACE
298 help
299 This enables support for the VR5000-based MIPS Malta evaluation
300 board.
301
302config MIPS_SEAD
303 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
304 depends on EXPERIMENTAL
305 select IRQ_CPU
306 select DMA_NONCOHERENT
307
308config MOMENCO_OCELOT
309 bool "Support for Momentum Ocelot board"
310 select DMA_NONCOHERENT
311 select HW_HAS_PCI
312 select IRQ_CPU
313 select IRQ_CPU_RM7K
314 select MIPS_GT64120
315 select RM7000_CPU_SCACHE
316 select SWAP_IO_SPACE
317 help
318 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
319 Momentum Computer <http://www.momenco.com/>.
320
321config MOMENCO_OCELOT_G
322 bool "Support for Momentum Ocelot-G board"
323 select DMA_NONCOHERENT
324 select HW_HAS_PCI
325 select IRQ_CPU
326 select IRQ_CPU_RM7K
327 select PCI_MARVELL
328 select RM7000_CPU_SCACHE
329 select SWAP_IO_SPACE
330 help
331 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
332 Momentum Computer <http://www.momenco.com/>.
333
334config MOMENCO_OCELOT_C
335 bool "Support for Momentum Ocelot-C board"
336 select DMA_NONCOHERENT
337 select HW_HAS_PCI
338 select IRQ_CPU
339 select IRQ_MV64340
340 select PCI_MARVELL
341 select RM7000_CPU_SCACHE
342 select SWAP_IO_SPACE
343 help
344 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
345 Momentum Computer <http://www.momenco.com/>.
346
347config MOMENCO_OCELOT_3
348 bool "Support for Momentum Ocelot-3 board"
349 select BOOT_ELF32
350 select DMA_NONCOHERENT
351 select HW_HAS_PCI
352 select IRQ_CPU
353 select IRQ_CPU_RM7K
354 select IRQ_MV64340
355 select PCI_MARVELL
356 select RM7000_CPU_SCACHE
357 select SWAP_IO_SPACE
358 help
359 The Ocelot-3 is based off Discovery III System Controller and
360 PMC-Sierra Rm79000 core.
361
362config MOMENCO_JAGUAR_ATX
363 bool "Support for Momentum Jaguar board"
364 select BOOT_ELF32
365 select DMA_NONCOHERENT
366 select HW_HAS_PCI
367 select IRQ_CPU
368 select IRQ_CPU_RM7K
369 select IRQ_MV64340
370 select LIMITED_DMA
371 select PCI_MARVELL
372 select RM7000_CPU_SCACHE
373 select SWAP_IO_SPACE
374 help
375 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
376 Momentum Computer <http://www.momenco.com/>.
377
378config JAGUAR_DMALOW
379 bool "Low DMA Mode"
380 depends on MOMENCO_JAGUAR_ATX
381 help
382 Select to Y if jump JP5 is set on your board, N otherwise. Normally
383 the jumper is set, so if you feel unsafe, just say Y.
384
385config PMC_YOSEMITE
386 bool "Support for PMC-Sierra Yosemite eval board"
387 select DMA_COHERENT
388 select HW_HAS_PCI
389 select IRQ_CPU
390 select IRQ_CPU_RM7K
391 select IRQ_CPU_RM9K
392 select SWAP_IO_SPACE
393 help
394 Yosemite is an evaluation board for the RM9000x2 processor
395 manufactured by PMC-Sierra
396
397config HYPERTRANSPORT
398 bool "Hypertransport Support for PMC-Sierra Yosemite"
399 depends on PMC_YOSEMITE
400
401config DDB5074
402 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
403 depends on EXPERIMENTAL
404 select DMA_NONCOHERENT
405 select HAVE_STD_PC_SERIAL_PORT
406 select HW_HAS_PCI
407 select IRQ_CPU
408 select I8259
409 select ISA
410 help
411 This enables support for the VR5000-based NEC DDB Vrc-5074
412 evaluation board.
413
414config DDB5476
415 bool "Support for NEC DDB Vrc-5476"
416 select DMA_NONCOHERENT
417 select HAVE_STD_PC_SERIAL_PORT
418 select HW_HAS_PCI
419 select IRQ_CPU
420 select I8259
421 select ISA
422 help
423 This enables support for the R5432-based NEC DDB Vrc-5476
424 evaluation board.
425
426 Features : kernel debugging, serial terminal, NFS root fs, on-board
427 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
428 IDE controller, PS2 keyboard, PS2 mouse, etc.
429
430config DDB5477
431 bool "Support for NEC DDB Vrc-5477"
432 select DMA_NONCOHERENT
433 select HW_HAS_PCI
434 select I8259
435 select IRQ_CPU
436 help
437 This enables support for the R5432-based NEC DDB Vrc-5477,
438 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
439
440 Features : kernel debugging, serial terminal, NFS root fs, on-board
441 ether port USB, AC97, PCI, etc.
442
443config DDB5477_BUS_FREQUENCY
444 int "bus frequency (in kHZ, 0 for auto-detect)"
445 depends on DDB5477
446 default 0
447
07119621
RB		 448config QEMU
449 bool "Support for Qemu"
450 select DMA_COHERENT
451 select GENERIC_ISA_DMA
452 select HAVE_STD_PC_SERIAL_PORT
453 select I8259
454 select ISA
455 select SWAP_IO_SPACE
456 select SYS_SUPPORTS_32BIT_KERNEL
457 select SYS_SUPPORTS_BIG_ENDIAN
458 help
459 Qemu is a software emulator which among other architectures also
460 can simulate a MIPS32 4Kc system. This patch adds support for the
461 system architecture that currently is being simulated by Qemu. It
462 will eventually be removed again when Qemu has the capability to
463 simulate actual MIPS hardware platforms. More information on Qemu
464 can be found at http://www.linux-mips.org/wiki/Qemu.
465
1da177e4
LT		 466config SGI_IP22
467 bool "Support for SGI IP22 (Indy/Indigo2)"
468 select ARC
469 select ARC32
470 select BOOT_ELF32
471 select DMA_NONCOHERENT
472 select IP22_CPU_SCACHE
473 select IRQ_CPU
474 select SWAP_IO_SPACE
475 help
476 This are the SGI Indy, Challenge S and Indigo2, as well as certain
477 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
478 that runs on these, say Y here.
479
480config SGI_IP27
481 bool "Support for SGI IP27 (Origin200/2000)"
482 depends on MIPS64
483 select ARC
484 select ARC64
485 select DMA_IP27
486 select HW_HAS_PCI
487 select PCI_DOMAINS
488 help
489 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
490 workstations. To compile a Linux kernel that runs on these, say Y
491 here.
492
493#config SGI_SN0_XXL
494# bool "IP27 XXL"
495# depends on SGI_IP27
496# This options adds support for userspace processes upto 16TB size.
497# Normally the limit is just .5TB.
498
499config SGI_SN0_N_MODE
500 bool "IP27 N-Mode"
501 depends on SGI_IP27
502 help
503 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
504 configured in either N-Modes which allows for more nodes or M-Mode
505 which allows for more memory. Your system is most probably
506 running in M-Mode, so you should say N here.
507
3f22ab27 508config ARCH_DISCONTIGMEM_ENABLE
1da177e4
LT		 509 bool
510 default y if SGI_IP27
511 help
512 Say Y to upport efficient handling of discontiguous physical memory,
513 for architectures which are either NUMA (Non-Uniform Memory Access)
514 or have huge holes in the physical address space for other reasons.
515 See <file:Documentation/vm/numa> for more.
516
517config NUMA
518 bool "NUMA Support"
519 depends on SGI_IP27
520 help
521 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
522 Access). This option is for configuring high-end multiprocessor
523 server machines. If in doubt, say N.
524
525config MAPPED_KERNEL
526 bool "Mapped kernel support"
527 depends on SGI_IP27
528 help
529 Change the way a Linux kernel is loaded into memory on a MIPS64
530 machine. This is required in order to support text replication and
531 NUMA. If you need to understand it, read the source code.
532
533config REPLICATE_KTEXT
534 bool "Kernel text replication support"
535 depends on SGI_IP27
536 help
537 Say Y here to enable replicating the kernel text across multiple
538 nodes in a NUMA cluster. This trades memory for speed.
539
540config REPLICATE_EXHANDLERS
541 bool "Exception handler replication support"
542 depends on SGI_IP27
543 help
544 Say Y here to enable replicating the kernel exception handlers
545 across multiple nodes in a NUMA cluster. This trades memory for
546 speed.
547
548config SGI_IP32
549 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
550 depends on MIPS64 && EXPERIMENTAL
551 select ARC
552 select ARC32
553 select BOOT_ELF32
554 select OWN_DMA
555 select DMA_IP32
556 select DMA_NONCOHERENT
557 select HW_HAS_PCI
558 select R5000_CPU_SCACHE
559 select RM7000_CPU_SCACHE
560 help
561 If you want this kernel to run on SGI O2 workstation, say Y here.
562
563config SOC_AU1X00
564 depends on MIPS32
565 bool "Support for AMD/Alchemy Au1X00 SOCs"
566
567choice
568 prompt "Au1X00 SOC Type"
569 depends on SOC_AU1X00
570 help
571 Say Y here to enable support for one of three AMD/Alchemy
572 SOCs. For additional documentation see www.amd.com.
573
574config SOC_AU1000
575 bool "SOC_AU1000"
576config SOC_AU1100
577 bool "SOC_AU1100"
578config SOC_AU1500
579 bool "SOC_AU1500"
580config SOC_AU1550
581 bool "SOC_AU1550"
582
583endchoice
584
585choice
586 prompt "AMD/Alchemy Au1x00 board support"
587 depends on SOC_AU1X00
588 help
589 These are evaluation boards built by AMD/Alchemy to
590 showcase their Au1X00 Internet Edge Processors. The SOC design
591 is based on the MIPS32 architecture running at 266/400/500MHz
592 with many integrated peripherals. Further information can be
593 found at their website, <http://www.amd.com/>. Say Y here if you
594 wish to build a kernel for this platform.
595
596config MIPS_PB1000
597 bool "PB1000 board"
598 depends on SOC_AU1000
599 select DMA_NONCOHERENT
600 select HW_HAS_PCI
601 select SWAP_IO_SPACE
602
603config MIPS_PB1100
604 bool "PB1100 board"
605 depends on SOC_AU1100
606 select DMA_NONCOHERENT
607 select HW_HAS_PCI
608 select SWAP_IO_SPACE
609
610config MIPS_PB1500
611 bool "PB1500 board"
612 depends on SOC_AU1500
613 select DMA_COHERENT
614 select HW_HAS_PCI
615
616config MIPS_PB1550
617 bool "PB1550 board"
618 depends on SOC_AU1550
619 select DMA_COHERENT
620 select HW_HAS_PCI
621 select MIPS_DISABLE_OBSOLETE_IDE
622
623config MIPS_DB1000
624 bool "DB1000 board"
625 depends on SOC_AU1000
626 select DMA_NONCOHERENT
627 select HW_HAS_PCI
628
629config MIPS_DB1100
630 bool "DB1100 board"
631 depends on SOC_AU1100
632 select DMA_NONCOHERENT
633
634config MIPS_DB1500
635 bool "DB1500 board"
636 depends on SOC_AU1500
637 select DMA_COHERENT
638 select HW_HAS_PCI
639 select MIPS_DISABLE_OBSOLETE_IDE
640
641config MIPS_DB1550
642 bool "DB1550 board"
643 depends on SOC_AU1550
644 select HW_HAS_PCI
645 select DMA_COHERENT
646 select MIPS_DISABLE_OBSOLETE_IDE
647
648config MIPS_BOSPORUS
649 bool "Bosporus board"
650 depends on SOC_AU1500
651 select DMA_NONCOHERENT
652
653config MIPS_MIRAGE
654 bool "Mirage board"
655 depends on SOC_AU1500
656 select DMA_NONCOHERENT
657
658config MIPS_XXS1500
659 bool "MyCable XXS1500 board"
660 depends on SOC_AU1500
661 select DMA_NONCOHERENT
662
663config MIPS_MTX1
664 bool "4G Systems MTX-1 board"
665 depends on SOC_AU1500
666 select HW_HAS_PCI
667 select DMA_NONCOHERENT
668
669endchoice
670
671config SIBYTE_SB1xxx_SOC
672 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
673 depends on EXPERIMENTAL
674 select BOOT_ELF32
675 select DMA_COHERENT
676 select SWAP_IO_SPACE
677
678choice
679 prompt "BCM1xxx SOC-based board"
680 depends on SIBYTE_SB1xxx_SOC
681 default SIBYTE_SWARM
682 help
683 Enable support for boards based on the SiByte line of SOCs
684 from Broadcom. There are configurations for the known
685 evaluation boards, or you can choose "Other" and add your
686 own board support code.
687
688config SIBYTE_SWARM
689 bool "BCM91250A-SWARM"
690 select SIBYTE_SB1250
691
692config SIBYTE_SENTOSA
693 bool "BCM91250E-Sentosa"
694 select SIBYTE_SB1250
695
696config SIBYTE_RHONE
697 bool "BCM91125E-Rhone"
698 select SIBYTE_BCM1125H
699
700config SIBYTE_CARMEL
701 bool "BCM91120x-Carmel"
702 select SIBYTE_BCM1120
703
704config SIBYTE_PTSWARM
705 bool "BCM91250PT-PTSWARM"
706 select SIBYTE_SB1250
707
708config SIBYTE_LITTLESUR
709 bool "BCM91250C2-LittleSur"
710 select SIBYTE_SB1250
711
712config SIBYTE_CRHINE
713 bool "BCM91120C-CRhine"
714 select SIBYTE_BCM1120
715
716config SIBYTE_CRHONE
717 bool "BCM91125C-CRhone"
718 select SIBYTE_BCM1125
719
720config SIBYTE_UNKNOWN
721 bool "Other"
722
723endchoice
724
725config SIBYTE_BOARD
726 bool
727 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
728 default y
729
730choice
731 prompt "BCM1xxx SOC Type"
732 depends on SIBYTE_UNKNOWN
733 default SIBYTE_UNK_BCM1250
734 help
735 Since you haven't chosen a known evaluation board from
736 Broadcom, you must explicitly pick the SOC this kernel is
737 targetted for.
738
739config SIBYTE_UNK_BCM1250
740 bool "BCM1250"
741 select SIBYTE_SB1250
742
743config SIBYTE_UNK_BCM1120
744 bool "BCM1120"
745 select SIBYTE_BCM1120
746
747config SIBYTE_UNK_BCM1125
748 bool "BCM1125"
749 select SIBYTE_BCM1125
750
751config SIBYTE_UNK_BCM1125H
752 bool "BCM1125H"
753 select SIBYTE_BCM1125H
754
755endchoice
756
757config SIBYTE_SB1250
758 bool
759 select HW_HAS_PCI
760
761config SIBYTE_BCM1120
762 bool
763 select SIBYTE_BCM112X
764
765config SIBYTE_BCM1125
766 bool
767 select HW_HAS_PCI
768 select SIBYTE_BCM112X
769
770config SIBYTE_BCM1125H
771 bool
772 select HW_HAS_PCI
773 select SIBYTE_BCM112X
774
775config SIBYTE_BCM112X
776 bool
777
778choice
779 prompt "SiByte SOC Stepping"
780 depends on SIBYTE_SB1xxx_SOC
781
782config CPU_SB1_PASS_1
783 bool "1250 Pass1"
784 depends on SIBYTE_SB1250
785 select CPU_HAS_PREFETCH
786
787config CPU_SB1_PASS_2_1250
788 bool "1250 An"
789 depends on SIBYTE_SB1250
790 select CPU_SB1_PASS_2
791 help
792 Also called BCM1250 Pass 2
793
794config CPU_SB1_PASS_2_2
795 bool "1250 Bn"
796 depends on SIBYTE_SB1250
797 select CPU_HAS_PREFETCH
798 help
799 Also called BCM1250 Pass 2.2
800
801config CPU_SB1_PASS_4
802 bool "1250 Cn"
803 depends on SIBYTE_SB1250
804 select CPU_HAS_PREFETCH
805 help
806 Also called BCM1250 Pass 3
807
808config CPU_SB1_PASS_2_112x
809 bool "112x Hybrid"
810 depends on SIBYTE_BCM112X
811 select CPU_SB1_PASS_2
812
813config CPU_SB1_PASS_3
814 bool "112x An"
815 depends on SIBYTE_BCM112X
816 select CPU_HAS_PREFETCH
817
818endchoice
819
820config CPU_SB1_PASS_2
821 bool
822
823config SIBYTE_HAS_LDT
824 bool
825 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
826 default y
827
828config SIMULATION
829 bool "Running under simulation"
830 depends on SIBYTE_SB1xxx_SOC
831 help
832 Build a kernel suitable for running under the GDB simulator.
833 Primarily adjusts the kernel's notion of time.
834
835config SIBYTE_CFE
836 bool "Booting from CFE"
837 depends on SIBYTE_SB1xxx_SOC
838 help
839 Make use of the CFE API for enumerating available memory,
840 controlling secondary CPUs, and possibly console output.
841
842config SIBYTE_CFE_CONSOLE
843 bool "Use firmware console"
844 depends on SIBYTE_CFE
845 help
846 Use the CFE API's console write routines during boot. Other console
847 options (VT console, sb1250 duart console, etc.) should not be
848 configured.
849
850config SIBYTE_STANDALONE
851 bool
852 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
853 default y
854
855config SIBYTE_STANDALONE_RAM_SIZE
856 int "Memory size (in megabytes)"
857 depends on SIBYTE_STANDALONE
858 default "32"
859
860config SIBYTE_BUS_WATCHER
861 bool "Support for Bus Watcher statistics"
862 depends on SIBYTE_SB1xxx_SOC
863 help
864 Handle and keep statistics on the bus error interrupts (COR_ECC,
865 BAD_ECC, IO_BUS).
866
867config SIBYTE_BW_TRACE
868 bool "Capture bus trace before bus error"
869 depends on SIBYTE_BUS_WATCHER
870 help
871 Run a continuous bus trace, dumping the raw data as soon as
872 a ZBbus error is detected. Cannot work if ZBbus profiling
873 is turned on, and also will interfere with JTAG-based trace
874 buffer activity. Raw buffer data is dumped to console, and
875 must be processed off-line.
876
877config SIBYTE_SB1250_PROF
878 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
879 depends on SIBYTE_SB1xxx_SOC
880
881config SIBYTE_TBPROF
882 bool "Support for ZBbus profiling"
883 depends on SIBYTE_SB1xxx_SOC
884
885config SNI_RM200_PCI
886 bool "Support for SNI RM200 PCI"
887 select ARC
888 select ARC32
889 select BOOT_ELF32
890 select DMA_NONCOHERENT
891 select GENERIC_ISA_DMA
892 select HAVE_STD_PC_SERIAL_PORT
893 select HW_HAS_PCI
894 select I8259
895 select ISA
896 help
897 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
898 Nixdorf Informationssysteme (SNI), parent company of Pyramid
899 Technology and now in turn merged with Fujitsu. Say Y here to
900 support this machine type.
901
902config TOSHIBA_RBTX4927
903 bool "Support for Toshiba TBTX49[23]7 board"
904 depends on MIPS32
905 select DMA_NONCOHERENT
906 select HAS_TXX9_SERIAL
907 select HW_HAS_PCI
908 select I8259
909 select ISA
910 select SWAP_IO_SPACE
911 help
912 This Toshiba board is based on the TX4927 processor. Say Y here to
913 support this machine type
914
915config TOSHIBA_FPCIB0
916 bool "FPCIB0 Backplane Support"
917 depends on TOSHIBA_RBTX4927
918
919config RWSEM_GENERIC_SPINLOCK
920 bool
921 default y
922
923config RWSEM_XCHGADD_ALGORITHM
924 bool
925
926config GENERIC_CALIBRATE_DELAY
927 bool
928 default y
929
930config HAVE_DEC_LOCK
931 bool
932 default y
933
934#
935# Select some configuration options automatically based on user selections.
936#
937config ARC
938 bool
939 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
940 default y
941
942config DMA_COHERENT
943 bool
944
945config DMA_IP27
946 bool
947
948config DMA_NONCOHERENT
949 bool
950
951config EARLY_PRINTK
952 bool
953 depends on MACH_DECSTATION
954 default y
955
956config GENERIC_ISA_DMA
957 bool
958 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
959 default y
960
961config I8259
962 bool
963 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
964 default y
965
966config LIMITED_DMA
967 bool
968 select HIGHMEM
969
970config MIPS_BONITO64
971 bool
972 depends on MIPS_ATLAS || MIPS_MALTA
973 default y
974
975config MIPS_MSC
976 bool
977 depends on MIPS_ATLAS || MIPS_MALTA
978 default y
979
980config MIPS_NILE4
981 bool
982 depends on LASAT
983 default y
984
985config MIPS_DISABLE_OBSOLETE_IDE
986 bool
987
988config CPU_LITTLE_ENDIAN
989 bool "Generate little endian code"
ab1418a3 990 default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
1da177e4
LT		 991 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
992 help
993 Some MIPS machines can be configured for either little or big endian
994 byte order. These modes require different kernels. Say Y if your
995 machine is little endian, N if it's a big endian machine.
996
997config IRQ_CPU
998 bool
999
1000config IRQ_CPU_RM7K
1001 bool
1002
1003config IRQ_MV64340
1004 bool
1005
1006config DDB5XXX_COMMON
1007 bool
1008 depends on DDB5074 || DDB5476 || DDB5477
1009 default y
1010
1011config MIPS_BOARDS_GEN
1012 bool
1013 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1014 default y
1015
1016config MIPS_GT64111
1017 bool
1018 depends on MIPS_COBALT
1019 default y
1020
1021config MIPS_GT64120
1022 bool
1023 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1024 default y
1025
1026config MIPS_TX3927
1027 bool
1028 depends on TOSHIBA_JMR3927
1029 select HAS_TXX9_SERIAL
1030 default y
1031
1032config PCI_MARVELL
1033 bool
1034
1035config ITE_BOARD_GEN
1036 bool
1037 depends on MIPS_IVR || MIPS_ITE8172
1038 default y
1039
1040config SWAP_IO_SPACE
1041 bool
1042
1043#
1044# Unfortunately not all GT64120 systems run the chip at the same clock.
1045# As the user for the clock rate and try to minimize the available options.
1046#
1047choice
1048 prompt "Galileo Chip Clock"
1049 #default SYSCLK_83 if MIPS_EV64120
1050 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1051 default SYSCLK_83 if MIPS_EV64120
1052 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1053
1054config SYSCLK_75
1055 bool "75" if MIPS_EV64120
1056
1057config SYSCLK_83
1058 bool "83.3" if MIPS_EV64120
1059
1060config SYSCLK_100
1061 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1062
1063endchoice
1064
1065config AU1X00_USB_DEVICE
1066 bool
1067 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1068 default n
1069
1070config MIPS_GT96100
1071 bool
1072 depends on MIPS_EV96100
1073 default y
1074 help
1075 Say Y here to support the Galileo Technology GT96100 communications
1076 controller card. There is a web page at <http://www.galileot.com/>.
1077
1078config IT8172_CIR
1079 bool
1080 depends on MIPS_ITE8172 || MIPS_IVR
1081 default y
1082
1083config IT8712
1084 bool
1085 depends on MIPS_ITE8172
1086 default y
1087
1088config BOOT_ELF32
1089 bool
1090 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1091 default y
1092
1093config MIPS_L1_CACHE_SHIFT
1094 int
1095 default "4" if MACH_DECSTATION
1096 default "7" if SGI_IP27
1097 default "5"
1098
1099config ARC32
1100 bool
1101 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1102 default y
1103
1da177e4
LT		 1104config HAVE_STD_PC_SERIAL_PORT
1105 bool
1106
1da177e4
LT		 1107config ARC_CONSOLE
1108 bool "ARC console support"
1109 depends on SGI_IP22 || SNI_RM200_PCI
1110
1111config ARC_MEMORY
1112 bool
1113 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1114 default y
1115
1116config ARC_PROMLIB
1117 bool
1118 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1119 default y
1120
1121config ARC64
1122 bool
1123 depends on SGI_IP27
1124 default y
1125
1126config BOOT_ELF64
1127 bool
1128 depends on SGI_IP27
1129 default y
1130
1131#config MAPPED_PCI_IO y
1132# bool
1133# depends on SGI_IP27
1134# default y
1135
1136config QL_ISP_A64
1137 bool
1138 depends on SGI_IP27
1139 default y
1140
1141config TOSHIBA_BOARDS
1142 bool
1143 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1144 default y
1145
1146endmenu
1147
1148menu "CPU selection"
1149
1150choice
1151 prompt "CPU type"
1152 default CPU_R4X00
1153
1154config CPU_MIPS32
1155 bool "MIPS32"
1156
1157config CPU_MIPS64
1158 bool "MIPS64"
1159
1160config CPU_R3000
1161 bool "R3000"
1162 depends on MIPS32
1163 help
1164 Please make sure to pick the right CPU type. Linux/MIPS is not
1165 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1166 *not* work on R4000 machines and vice versa. However, since most
1167 of the supported machines have an R4000 (or similar) CPU, R4x00
1168 might be a safe bet. If the resulting kernel does not work,
1169 try to recompile with R3000.
1170
1171config CPU_TX39XX
1172 bool "R39XX"
1173 depends on MIPS32
1174
1175config CPU_VR41XX
1176 bool "R41xx"
1177 help
1178 The options selects support for the NEC VR41xx series of processors.
1179 Only choose this option if you have one of these processors as a
1180 kernel built with this option will not run on any other type of
1181 processor or vice versa.
1182
1183config CPU_R4300
1184 bool "R4300"
1185 help
1186 MIPS Technologies R4300-series processors.
1187
1188config CPU_R4X00
1189 bool "R4x00"
1190 help
1191 MIPS Technologies R4000-series processors other than 4300, including
1192 the R4000, R4400, R4600, and 4700.
1193
1194config CPU_TX49XX
1195 bool "R49XX"
1196
1197config CPU_R5000
1198 bool "R5000"
1199 help
1200 MIPS Technologies R5000-series processors other than the Nevada.
1201
1202config CPU_R5432
1203 bool "R5432"
1204
1205config CPU_R6000
1206 bool "R6000"
1207 depends on MIPS32 && EXPERIMENTAL
1208 help
1209 MIPS Technologies R6000 and R6000A series processors. Note these
1210 processors are extremly rare and the support for them is incomplete.
1211
1212config CPU_NEVADA
1213 bool "RM52xx"
1214 help
1215 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1216
1217config CPU_R8000
1218 bool "R8000"
1219 depends on MIPS64 && EXPERIMENTAL
1220 help
1221 MIPS Technologies R8000 processors. Note these processors are
1222 uncommon and the support for them is incomplete.
1223
1224config CPU_R10000
1225 bool "R10000"
1226 help
1227 MIPS Technologies R10000-series processors.
1228
1229config CPU_RM7000
1230 bool "RM7000"
1231
1232config CPU_RM9000
1233 bool "RM9000"
1234
1235config CPU_SB1
1236 bool "SB1"
1237
1238endchoice
1239
1240choice
1241 prompt "Kernel page size"
1242 default PAGE_SIZE_4KB
1243
1244config PAGE_SIZE_4KB
1245 bool "4kB"
1246 help
1247 This option select the standard 4kB Linux page size. On some
1248 R3000-family processors this is the only available page size. Using
1249 4kB page size will minimize memory consumption and is therefore
1250 recommended for low memory systems.
1251
1252config PAGE_SIZE_8KB
1253 bool "8kB"
1254 depends on EXPERIMENTAL && CPU_R8000
1255 help
1256 Using 8kB page size will result in higher performance kernel at
1257 the price of higher memory consumption. This option is available
1258 only on the R8000 processor. Not that at the time of this writing
1259 this option is still high experimental; there are also issues with
1260 compatibility of user applications.
1261
1262config PAGE_SIZE_16KB
1263 bool "16kB"
1264 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1265 help
1266 Using 16kB page size will result in higher performance kernel at
1267 the price of higher memory consumption. This option is available on
1268 all non-R3000 family processor. Not that at the time of this
1269 writing this option is still high experimental; there are also
1270 issues with compatibility of user applications.
1271
1272config PAGE_SIZE_64KB
1273 bool "64kB"
1274 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1275 help
1276 Using 64kB page size will result in higher performance kernel at
1277 the price of higher memory consumption. This option is available on
1278 all non-R3000 family processor. Not that at the time of this
1279 writing this option is still high experimental; there are also
1280 issues with compatibility of user applications.
1281
1282endchoice
1283
1284config BOARD_SCACHE
1285 bool
1286
1287config IP22_CPU_SCACHE
1288 bool
1289 select BOARD_SCACHE
1290
1291config R5000_CPU_SCACHE
1292 bool
1293 select BOARD_SCACHE
1294
1295config RM7000_CPU_SCACHE
1296 bool
1297 select BOARD_SCACHE
1298
1299config SIBYTE_DMA_PAGEOPS
1300 bool "Use DMA to clear/copy pages"
1301 depends on CPU_SB1
1302 help
1303 Instead of using the CPU to zero and copy pages, use a Data Mover
1304 channel. These DMA channels are otherwise unused by the standard
1305 SiByte Linux port. Seems to give a small performance benefit.
1306
1307config CPU_HAS_PREFETCH
1308 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1309 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1310
1311config VTAG_ICACHE
1312 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1313 default y if CPU_SB1
1314
1315config SB1_PASS_1_WORKAROUNDS
1316 bool
1317 depends on CPU_SB1_PASS_1
1318 default y
1319
1320config SB1_PASS_2_WORKAROUNDS
1321 bool
1322 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1323 default y
1324
1325config SB1_PASS_2_1_WORKAROUNDS
1326 bool
1327 depends on CPU_SB1 && CPU_SB1_PASS_2
1328 default y
1329
1330config 64BIT_PHYS_ADDR
1331 bool "Support for 64-bit physical address space"
1332 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
1333
1334config CPU_ADVANCED
1335 bool "Override CPU Options"
1336 depends on MIPS32
1337 help
1338 Saying yes here allows you to select support for various features
1339 your CPU may or may not have. Most people should say N here.
1340
1341config CPU_HAS_LLSC
1342 bool "ll/sc Instructions available" if CPU_ADVANCED
1343 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1344 help
1345 MIPS R4000 series and later provide the Load Linked (ll)
1346 and Store Conditional (sc) instructions. More information is
1347 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1348
1349 Say Y here if your CPU has the ll and sc instructions. Say Y here
1350 for better performance, N if you don't know. You must say Y here
1351 for multiprocessor machines.
1352
1353config CPU_HAS_LLDSCD
1354 bool "lld/scd Instructions available" if CPU_ADVANCED
1355 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1356 help
1357 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1358 equivalents of ll and sc. Say Y here for better performance, N if
1359 you don't know. You must say Y here for multiprocessor machines.
1360
1361config CPU_HAS_WB
1362 bool "Writeback Buffer available" if CPU_ADVANCED
1363 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1364 help
1365 Say N here for slightly better performance. You must say Y here for
1366 machines which require flushing of write buffers in software. Saying
1367 Y is the safe option; N may result in kernel malfunction and crashes.
1368
1369config CPU_HAS_SYNC
1370 bool
1371 depends on !CPU_R3000
1372 default y
1373
1374#
1375# - Highmem only makes sense for the 32-bit kernel.
1376# - The current highmem code will only work properly on physically indexed
1377# caches such as R3000, SB1, R7000 or those that look like they're virtually
1378# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1379# moment we protect the user and offer the highmem option only on machines
1380# where it's known to be safe. This will not offer highmem on a few systems
1381# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1382# indexed CPUs but we're playing safe.
1383# - We should not offer highmem for system of which we already know that they
1384# don't have memory configurations that could gain from highmem support in
1385# the kernel because they don't support configurations with RAM at physical
1386# addresses > 0x20000000.
1387#
1388config HIGHMEM
1389 bool "High Memory Support"
1390 depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1391
b4819b59
YY		 1392config ARCH_FLATMEM_ENABLE
1393 def_bool y
1394 depends on !NUMA
1395
1396source "mm/Kconfig"
1397
1da177e4
LT		 1398config SMP
1399 bool "Multi-Processing support"
1400 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1401 ---help---
1402 This enables support for systems with more than one CPU. If you have
1403 a system with only one CPU, like most personal computers, say N. If
1404 you have a system with more than one CPU, say Y.
1405
1406 If you say N here, the kernel will run on single and multiprocessor
1407 machines, but will use only one CPU of a multiprocessor machine. If
1408 you say Y here, the kernel will run on many, but not all,
1409 singleprocessor machines. On a singleprocessor machine, the kernel
1410 will run faster if you say N here.
1411
1412 People using multiprocessor machines who say Y here should also say
1413 Y to "Enhanced Real Time Clock Support", below.
1414
1415 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1416 available at <http://www.tldp.org/docs.html#howto>.
1417
1418 If you don't know what to do here, say N.
1419
1420config NR_CPUS
1421 int "Maximum number of CPUs (2-64)"
1422 range 2 64
1423 depends on SMP
1424 default "64" if SGI_IP27
1425 default "2"
1426 help
1427 This allows you to specify the maximum number of CPUs which this
1428 kernel will support. The maximum supported value is 32 for 32-bit
1429 kernel and 64 for 64-bit kernels; the minimum value which makes
1430 sense is 2.
1431
1432 This is purely to save memory - each supported CPU adds
1433 approximately eight kilobytes to the kernel image.
1434
1435config PREEMPT
1436 bool "Preemptible Kernel"
1437 help
1438 This option reduces the latency of the kernel when reacting to
1439 real-time or interactive events by allowing a low priority process to
1440 be preempted even if it is in kernel mode executing a system call.
1441 This allows applications to run more reliably even when the system is
1442 under load.
1443
1444config RTC_DS1742
1445 bool "DS1742 BRAM/RTC support"
1446 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1447
1448config MIPS_INSANE_LARGE
1449 bool "Support for large 64-bit configurations"
1450 depends on CPU_R10000 && MIPS64
1451 help
1452 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1453 previous 64-bit processors which only supported 40 bit / 1TB. If you
1454 need processes of more than 1TB virtual address space, say Y here.
1455 This will result in additional memory usage, so it is not
1456 recommended for normal users.
1457
1458config RWSEM_GENERIC_SPINLOCK
1459 bool
1460 default y
1461
1462endmenu
1463
1464menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1465
1466config HW_HAS_PCI
1467 bool
1468
1469config PCI
1470 bool "Support for PCI controller"
1471 depends on HW_HAS_PCI
1472 help
1473 Find out whether you have a PCI motherboard. PCI is the name of a
1474 bus system, i.e. the way the CPU talks to the other stuff inside
1475 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1476 say Y, otherwise N.
1477
1478 The PCI-HOWTO, available from
1479 <http://www.tldp.org/docs.html#howto>, contains valuable
1480 information about which PCI hardware does work under Linux and which
1481 doesn't.
1482
1483config PCI_DOMAINS
1484 bool
1485 depends on PCI
1486
1487source "drivers/pci/Kconfig"
1488
1489#
1490# ISA support is now enabled via select. Too many systems still have the one
1491# or other ISA chip on the board that users don't know about so don't expect
1492# users to choose the right thing ...
1493#
1494config ISA
1495 bool
1496
1497config EISA
1498 bool "EISA support"
1499 depends on SGI_IP22 || SNI_RM200_PCI
1500 select ISA
1501 ---help---
1502 The Extended Industry Standard Architecture (EISA) bus was
1503 developed as an open alternative to the IBM MicroChannel bus.
1504
1505 The EISA bus provided some of the features of the IBM MicroChannel
1506 bus while maintaining backward compatibility with cards made for
1507 the older ISA bus. The EISA bus saw limited use between 1988 and
1508 1995 when it was made obsolete by the PCI bus.
1509
1510 Say Y here if you are building a kernel for an EISA-based machine.
1511
1512 Otherwise, say N.
1513
1514source "drivers/eisa/Kconfig"
1515
1516config TC
1517 bool "TURBOchannel support"
1518 depends on MACH_DECSTATION
1519 help
1520 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1521 processors. Documentation on writing device drivers for TurboChannel
1522 is available at:
1523 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1524
1525#config ACCESSBUS
1526# bool "Access.Bus support"
1527# depends on TC
1528
1529config MMU
1530 bool
1531 default y
1532
1533config MCA
1534 bool
1535
1536config SBUS
1537 bool
1538
1539source "drivers/pcmcia/Kconfig"
1540
1541source "drivers/pci/hotplug/Kconfig"
1542
1543endmenu
1544
1545menu "Executable file formats"
1546
1547source "fs/Kconfig.binfmt"
1548
1549config TRAD_SIGNALS
1550 bool
1551 default y if MIPS32
1552
1553config BUILD_ELF64
1554 bool "Use 64-bit ELF format for building"
1555 depends on MIPS64
1556 help
1557 A 64-bit kernel is usually built using the 64-bit ELF binary object
1558 format as it's one that allows arbitrary 64-bit constructs. For
1559 kernels that are loaded within the KSEG compatibility segments the
1560 32-bit ELF format can optionally be used resulting in a somewhat
1561 smaller binary, but this option is not explicitly supported by the
1562 toolchain and since binutils 2.14 it does not even work at all.
1563
1564 Say Y to use the 64-bit format or N to use the 32-bit one.
1565
1566 If unsure say Y.
1567
1568config BINFMT_IRIX
1569 bool "Include IRIX binary compatibility"
1570 depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
1571
1572config MIPS32_COMPAT
1573 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1574 depends on MIPS64
1575 help
1576 Select this option if you want Linux/MIPS 32-bit binary
1577 compatibility. Since all software available for Linux/MIPS is
1578 currently 32-bit you should say Y here.
1579
1580config COMPAT
1581 bool
1582 depends on MIPS32_COMPAT
1583 default y
1584
1585config MIPS32_O32
1586 bool "Kernel support for o32 binaries"
1587 depends on MIPS32_COMPAT
1588 help
1589 Select this option if you want to run o32 binaries. These are pure
1590 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1591 existing binaries are in this format.
1592
1593 If unsure, say Y.
1594
1595config MIPS32_N32
1596 bool "Kernel support for n32 binaries"
1597 depends on MIPS32_COMPAT
1598 help
1599 Select this option if you want to run n32 binaries. These are
1600 64-bit binaries using 32-bit quantities for addressing and certain
1601 data that would normally be 64-bit. They are used in special
1602 cases.
1603
1604 If unsure, say N.
1605
1606config BINFMT_ELF32
1607 bool
1608 default y if MIPS32_O32 || MIPS32_N32
1609
1610config PM
1611 bool "Power Management support (EXPERIMENTAL)"
1612 depends on EXPERIMENTAL && MACH_AU1X00
1613
1614endmenu
1615
d5950b43
SR		 1616source "net/Kconfig"
1617
1da177e4
LT		 1618source "drivers/Kconfig"
1619
1620source "fs/Kconfig"
1621
1622source "arch/mips/Kconfig.debug"
1623
1624source "security/Kconfig"
1625
1626source "crypto/Kconfig"
1627
1628source "lib/Kconfig"
1629
1630#
1631# Use the generic interrupt handling code in kernel/irq/:
1632#
1633config GENERIC_HARDIRQS
1634 bool
1635 default y
1636
1637config GENERIC_IRQ_PROBE
1638 bool
1639 default y
5cae841b
AV		 1640
1641config ISA_DMA_API
1642 bool
1643 default y
Linux kernel - Deliverables
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