Move missplaced code line to the right place.
[GitHub/mt8127/android_kernel_alcatel_ttab.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
a08b6b79
AV
7# shouldn't it be per-subarchitecture?
8config ARCH_MAY_HAVE_PC_FDC
9 bool
10 default y
11
875d43e7
RB
12mainmenu "Linux/MIPS Kernel Configuration"
13
14source "init/Kconfig"
15
ed5ba2fb
YY
16config SYS_SUPPORTS_32BIT_KERNEL
17 bool
18config SYS_SUPPORTS_64BIT_KERNEL
19 bool
20config CPU_SUPPORTS_32BIT_KERNEL
21 bool
22config CPU_SUPPORTS_64BIT_KERNEL
23 bool
24
875d43e7
RB
25menu "Kernel type"
26
27choice
28
29 prompt "Kernel code model"
1da177e4 30 help
875d43e7
RB
31 You should only select this option if you have a workload that
32 actually benefits from 64-bit processing or if your machine has
33 large memory. You will only be presented a single option in this
34 menu if your system does not support both 32-bit and 64-bit kernels.
1da177e4 35
875d43e7
RB
36config 32BIT
37 bool "32-bit kernel"
38 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
39 select TRAD_SIGNALS
40 help
41 Select this option if you want to build a 32-bit kernel.
1da177e4 42
875d43e7
RB
43config 64BIT
44 bool "64-bit kernel"
45 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
46 help
47 Select this option if you want to build a 64-bit kernel.
1da177e4 48
875d43e7 49endchoice
1da177e4 50
875d43e7 51endmenu
1da177e4
LT
52
53menu "Machine selection"
54
55config MACH_JAZZ
56 bool "Support for the Jazz family of machines"
57 select ARC
58 select ARC32
59 select GENERIC_ISA_DMA
60 select I8259
61 select ISA
ed5ba2fb
YY
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
64 help
65 This a family of machines based on the MIPS R4030 chipset which was
66 used by several vendors to build RISC/os and Windows NT workstations.
67 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
68 Olivetti M700-10 workstations.
69
70config ACER_PICA_61
71 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
72 depends on MACH_JAZZ && EXPERIMENTAL
73 select DMA_NONCOHERENT
74 help
75 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
76 kernel that runs on these, say Y here. For details about Linux on
77 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
78 <http://www.linux-mips.org/>.
79
80config MIPS_MAGNUM_4000
81 bool "Support for MIPS Magnum 4000"
82 depends on MACH_JAZZ
83 select DMA_NONCOHERENT
84 help
85 This is a machine with a R4000 100 MHz CPU. To compile a Linux
86 kernel that runs on these, say Y here. For details about Linux on
87 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
88 <http://www.linux-mips.org/>.
89
90config OLIVETTI_M700
91 bool "Support for Olivetti M700-10"
92 depends on MACH_JAZZ
93 select DMA_NONCOHERENT
94 help
95 This is a machine with a R4000 100 MHz CPU. To compile a Linux
96 kernel that runs on these, say Y here. For details about Linux on
97 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
98 <http://www.linux-mips.org/>.
99
100config MACH_VR41XX
63fb6fd1 101 bool "Support for NEC VR4100 series based machines"
ed5ba2fb
YY
102 select SYS_SUPPORTS_32BIT_KERNEL
103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
104
105config NEC_CMBVR4133
106 bool "Support for NEC CMB-VR4133"
107 depends on MACH_VR41XX
108 select CPU_VR41XX
109 select DMA_NONCOHERENT
110 select IRQ_CPU
111 select HW_HAS_PCI
1da177e4
LT
112
113config ROCKHOPPER
114 bool "Support for Rockhopper baseboard"
115 depends on NEC_CMBVR4133
116 select I8259
117 select HAVE_STD_PC_SERIAL_PORT
118
119config CASIO_E55
120 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
121 depends on MACH_VR41XX
8dd4aebe 122 select CPU_LITTLE_ENDIAN
1da177e4
LT
123 select DMA_NONCOHERENT
124 select IRQ_CPU
125 select ISA
126
127config IBM_WORKPAD
128 bool "Support for IBM WorkPad z50"
129 depends on MACH_VR41XX
8dd4aebe 130 select CPU_LITTLE_ENDIAN
1da177e4
LT
131 select DMA_NONCOHERENT
132 select IRQ_CPU
133 select ISA
134
63b799f9
YY
135config TANBAC_TB022X
136 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
1da177e4 137 depends on MACH_VR41XX
63b799f9 138 select CPU_LITTLE_ENDIAN
1da177e4 139 select DMA_NONCOHERENT
1da177e4 140 select IRQ_CPU
63b799f9 141 select HW_HAS_PCI
1da177e4 142 help
63b799f9
YY
143 The TANBAC VR4131 multichip module(TB0225) and
144 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
145 manufactured by TANBAC.
146 Please refer to <http://www.tanbac.co.jp/>
147 about VR4131 multichip module and VR4131DIMM.
1da177e4 148
63b799f9
YY
149config TANBAC_TB0226
150 bool "Support for TANBAC Mbase(TB0226)"
151 depends on TANBAC_TB022X
63b799f9 152 select GPIO_VR41XX
1da177e4 153 help
63b799f9
YY
154 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
155 Please refer to <http://www.tanbac.co.jp/> about Mbase.
1da177e4 156
4d666d7a
YY
157config TANBAC_TB0287
158 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
159 depends on TANBAC_TB022X
160 help
161 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
162 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
163
1da177e4
LT
164config VICTOR_MPC30X
165 bool "Support for Victor MP-C303/304"
8dd4aebe
YY
166 depends on MACH_VR41XX
167 select CPU_LITTLE_ENDIAN
1da177e4 168 select DMA_NONCOHERENT
1da177e4 169 select IRQ_CPU
8dd4aebe 170 select HW_HAS_PCI
1da177e4
LT
171
172config ZAO_CAPCELLA
173 bool "Support for ZAO Networks Capcella"
174 depends on MACH_VR41XX
8dd4aebe 175 select CPU_LITTLE_ENDIAN
1da177e4 176 select DMA_NONCOHERENT
1da177e4 177 select IRQ_CPU
8dd4aebe 178 select HW_HAS_PCI
1da177e4
LT
179
180config PCI_VR41XX
181 bool "Add PCI control unit support of NEC VR4100 series"
466adc66
YY
182 depends on MACH_VR41XX && HW_HAS_PCI
183 default y
184 select PCI
1da177e4 185
1da177e4
LT
186config VRC4173
187 tristate "Add NEC VRC4173 companion chip support"
188 depends on MACH_VR41XX && PCI_VR41XX
189 ---help---
190 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
191
192config TOSHIBA_JMR3927
193 bool "Support for Toshiba JMR-TX3927 board"
1da177e4
LT
194 select DMA_NONCOHERENT
195 select HW_HAS_PCI
196 select SWAP_IO_SPACE
ed5ba2fb 197 select SYS_SUPPORTS_32BIT_KERNEL
1da177e4
LT
198
199config MIPS_COBALT
ed5ba2fb 200 bool "Support for Cobalt Server"
1da177e4
LT
201 depends on EXPERIMENTAL
202 select DMA_NONCOHERENT
203 select HW_HAS_PCI
204 select I8259
205 select IRQ_CPU
ed5ba2fb
YY
206 select SYS_SUPPORTS_32BIT_KERNEL
207 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
208
209config MACH_DECSTATION
210 bool "Support for DECstations"
211 select BOOT_ELF32
212 select DMA_NONCOHERENT
b6d468ec 213 select EARLY_PRINTK
1da177e4 214 select IRQ_CPU
ed5ba2fb
YY
215 select SYS_SUPPORTS_32BIT_KERNEL
216 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
217 ---help---
218 This enables support for DEC's MIPS based workstations. For details
219 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
220 DECstation porting pages on <http://decstation.unix-ag.org/>.
221
222 If you have one of the following DECstation Models you definitely
223 want to choose R4xx0 for the CPU Type:
224
225 DECstation 5000/50
226 DECstation 5000/150
227 DECstation 5000/260
228 DECsystem 5900/260
229
230 otherwise choose R3000.
231
232config MIPS_EV64120
233 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
234 depends on EXPERIMENTAL
235 select DMA_NONCOHERENT
236 select HW_HAS_PCI
237 select MIPS_GT64120
ed5ba2fb
YY
238 select SYS_SUPPORTS_32BIT_KERNEL
239 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
240 help
241 This is an evaluation board based on the Galileo GT-64120
242 single-chip system controller that contains a MIPS R5000 compatible
243 core running at 75/100MHz. Their website is located at
244 <http://www.marvell.com/>. Say Y here if you wish to build a
245 kernel for this platform.
246
247config EVB_PCI1
248 bool "Enable Second PCI (PCI1)"
249 depends on MIPS_EV64120
250
251config MIPS_EV96100
252 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
253 depends on EXPERIMENTAL
254 select DMA_NONCOHERENT
255 select HW_HAS_PCI
256 select IRQ_CPU
257 select MIPS_GT96100
258 select RM7000_CPU_SCACHE
259 select SWAP_IO_SPACE
ed5ba2fb
YY
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
262 help
263 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
264 communications controllers containing a MIPS R5000 compatible core
265 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
266 here if you wish to build a kernel for this platform.
267
268config MIPS_IVR
269 bool "Support for Globespan IVR board"
270 select DMA_NONCOHERENT
271 select HW_HAS_PCI
ed5ba2fb
YY
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
274 help
275 This is an evaluation board built by Globespan to showcase thir
276 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
277 R5000 MIPS core. More information can be found out their website
278 located at <http://www.globespan.net/>. Say Y here if you wish to
279 build a kernel for this platform.
280
281config LASAT
282 bool "Support for LASAT Networks platforms"
283 select DMA_NONCOHERENT
284 select HW_HAS_PCI
285 select MIPS_GT64120
286 select R5000_CPU_SCACHE
ed5ba2fb
YY
287 select SYS_SUPPORTS_32BIT_KERNEL
288 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
289
290config PICVUE
291 tristate "PICVUE LCD display driver"
292 depends on LASAT
293
294config PICVUE_PROC
295 tristate "PICVUE LCD display driver /proc interface"
296 depends on PICVUE
297
298config DS1603
299 bool "DS1603 RTC driver"
300 depends on LASAT
301
302config LASAT_SYSCTL
303 bool "LASAT sysctl interface"
304 depends on LASAT
305
306config MIPS_ITE8172
307 bool "Support for ITE 8172G board"
308 select DMA_NONCOHERENT
309 select HW_HAS_PCI
ed5ba2fb
YY
310 select SYS_SUPPORTS_32BIT_KERNEL
311 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
312 help
313 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
314 with ATX form factor that utilizes a MIPS R5000 to work with its
315 ITE8172G companion internet appliance chip. The MIPS core can be
316 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
317 a kernel for this platform.
318
319config IT8172_REVC
320 bool "Support for older IT8172 (Rev C)"
321 depends on MIPS_ITE8172
322 help
323 Say Y here to support the older, Revision C version of the Integrated
324 Technology Express, Inc. ITE8172 SBC. Vendor page at
325 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
326 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
327
328config MIPS_ATLAS
329 bool "Support for MIPS Atlas board"
330 select BOOT_ELF32
331 select DMA_NONCOHERENT
332 select HW_HAS_PCI
333 select MIPS_GT64120
334 select SWAP_IO_SPACE
ed5ba2fb
YY
335 select SYS_SUPPORTS_32BIT_KERNEL
336 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4 337 help
f638d197 338 This enables support for the MIPS Technologies Atlas evaluation
1da177e4
LT
339 board.
340
341config MIPS_MALTA
342 bool "Support for MIPS Malta board"
343 select BOOT_ELF32
344 select HAVE_STD_PC_SERIAL_PORT
345 select DMA_NONCOHERENT
346 select GENERIC_ISA_DMA
347 select HW_HAS_PCI
348 select I8259
349 select MIPS_GT64120
350 select SWAP_IO_SPACE
ed5ba2fb
YY
351 select SYS_SUPPORTS_32BIT_KERNEL
352 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4 353 help
f638d197 354 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
355 board.
356
357config MIPS_SEAD
358 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
359 depends on EXPERIMENTAL
360 select IRQ_CPU
361 select DMA_NONCOHERENT
ed5ba2fb
YY
362 select SYS_SUPPORTS_32BIT_KERNEL
363 select SYS_SUPPORTS_64BIT_KERNEL
f638d197
MR
364 help
365 This enables support for the MIPS Technologies SEAD evaluation
366 board.
1da177e4
LT
367
368config MOMENCO_OCELOT
369 bool "Support for Momentum Ocelot board"
370 select DMA_NONCOHERENT
371 select HW_HAS_PCI
372 select IRQ_CPU
373 select IRQ_CPU_RM7K
374 select MIPS_GT64120
375 select RM7000_CPU_SCACHE
376 select SWAP_IO_SPACE
ed5ba2fb
YY
377 select SYS_SUPPORTS_32BIT_KERNEL
378 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
379 help
380 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
381 Momentum Computer <http://www.momenco.com/>.
382
383config MOMENCO_OCELOT_G
384 bool "Support for Momentum Ocelot-G board"
385 select DMA_NONCOHERENT
386 select HW_HAS_PCI
387 select IRQ_CPU
388 select IRQ_CPU_RM7K
389 select PCI_MARVELL
390 select RM7000_CPU_SCACHE
391 select SWAP_IO_SPACE
ed5ba2fb
YY
392 select SYS_SUPPORTS_32BIT_KERNEL
393 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
394 help
395 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
396 Momentum Computer <http://www.momenco.com/>.
397
398config MOMENCO_OCELOT_C
399 bool "Support for Momentum Ocelot-C board"
400 select DMA_NONCOHERENT
401 select HW_HAS_PCI
402 select IRQ_CPU
403 select IRQ_MV64340
404 select PCI_MARVELL
405 select RM7000_CPU_SCACHE
406 select SWAP_IO_SPACE
ed5ba2fb
YY
407 select SYS_SUPPORTS_32BIT_KERNEL
408 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
409 help
410 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
411 Momentum Computer <http://www.momenco.com/>.
412
413config MOMENCO_OCELOT_3
414 bool "Support for Momentum Ocelot-3 board"
415 select BOOT_ELF32
416 select DMA_NONCOHERENT
417 select HW_HAS_PCI
418 select IRQ_CPU
419 select IRQ_CPU_RM7K
420 select IRQ_MV64340
421 select PCI_MARVELL
422 select RM7000_CPU_SCACHE
423 select SWAP_IO_SPACE
ed5ba2fb
YY
424 select SYS_SUPPORTS_32BIT_KERNEL
425 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
426 help
427 The Ocelot-3 is based off Discovery III System Controller and
428 PMC-Sierra Rm79000 core.
429
430config MOMENCO_JAGUAR_ATX
431 bool "Support for Momentum Jaguar board"
432 select BOOT_ELF32
433 select DMA_NONCOHERENT
434 select HW_HAS_PCI
435 select IRQ_CPU
436 select IRQ_CPU_RM7K
437 select IRQ_MV64340
438 select LIMITED_DMA
439 select PCI_MARVELL
440 select RM7000_CPU_SCACHE
441 select SWAP_IO_SPACE
ed5ba2fb
YY
442 select SYS_SUPPORTS_32BIT_KERNEL
443 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
444 help
445 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
446 Momentum Computer <http://www.momenco.com/>.
447
448config JAGUAR_DMALOW
449 bool "Low DMA Mode"
450 depends on MOMENCO_JAGUAR_ATX
451 help
452 Select to Y if jump JP5 is set on your board, N otherwise. Normally
453 the jumper is set, so if you feel unsafe, just say Y.
454
455config PMC_YOSEMITE
456 bool "Support for PMC-Sierra Yosemite eval board"
457 select DMA_COHERENT
458 select HW_HAS_PCI
459 select IRQ_CPU
460 select IRQ_CPU_RM7K
461 select IRQ_CPU_RM9K
462 select SWAP_IO_SPACE
ed5ba2fb
YY
463 select SYS_SUPPORTS_32BIT_KERNEL
464 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
465 help
466 Yosemite is an evaluation board for the RM9000x2 processor
467 manufactured by PMC-Sierra
468
469config HYPERTRANSPORT
470 bool "Hypertransport Support for PMC-Sierra Yosemite"
471 depends on PMC_YOSEMITE
472
473config DDB5074
474 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
475 depends on EXPERIMENTAL
476 select DMA_NONCOHERENT
477 select HAVE_STD_PC_SERIAL_PORT
478 select HW_HAS_PCI
479 select IRQ_CPU
480 select I8259
481 select ISA
ed5ba2fb
YY
482 select SYS_SUPPORTS_32BIT_KERNEL
483 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
484 help
485 This enables support for the VR5000-based NEC DDB Vrc-5074
486 evaluation board.
487
488config DDB5476
489 bool "Support for NEC DDB Vrc-5476"
490 select DMA_NONCOHERENT
491 select HAVE_STD_PC_SERIAL_PORT
492 select HW_HAS_PCI
493 select IRQ_CPU
494 select I8259
495 select ISA
ed5ba2fb
YY
496 select SYS_SUPPORTS_32BIT_KERNEL
497 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
498 help
499 This enables support for the R5432-based NEC DDB Vrc-5476
500 evaluation board.
501
502 Features : kernel debugging, serial terminal, NFS root fs, on-board
503 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
504 IDE controller, PS2 keyboard, PS2 mouse, etc.
505
506config DDB5477
507 bool "Support for NEC DDB Vrc-5477"
508 select DMA_NONCOHERENT
509 select HW_HAS_PCI
510 select I8259
511 select IRQ_CPU
ed5ba2fb
YY
512 select SYS_SUPPORTS_32BIT_KERNEL
513 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
514 help
515 This enables support for the R5432-based NEC DDB Vrc-5477,
516 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
517
518 Features : kernel debugging, serial terminal, NFS root fs, on-board
519 ether port USB, AC97, PCI, etc.
520
521config DDB5477_BUS_FREQUENCY
522 int "bus frequency (in kHZ, 0 for auto-detect)"
523 depends on DDB5477
524 default 0
525
07119621
RB
526config QEMU
527 bool "Support for Qemu"
528 select DMA_COHERENT
529 select GENERIC_ISA_DMA
530 select HAVE_STD_PC_SERIAL_PORT
531 select I8259
532 select ISA
533 select SWAP_IO_SPACE
534 select SYS_SUPPORTS_32BIT_KERNEL
535 select SYS_SUPPORTS_BIG_ENDIAN
536 help
537 Qemu is a software emulator which among other architectures also
538 can simulate a MIPS32 4Kc system. This patch adds support for the
539 system architecture that currently is being simulated by Qemu. It
540 will eventually be removed again when Qemu has the capability to
541 simulate actual MIPS hardware platforms. More information on Qemu
542 can be found at http://www.linux-mips.org/wiki/Qemu.
543
1da177e4
LT
544config SGI_IP22
545 bool "Support for SGI IP22 (Indy/Indigo2)"
546 select ARC
547 select ARC32
548 select BOOT_ELF32
549 select DMA_NONCOHERENT
550 select IP22_CPU_SCACHE
551 select IRQ_CPU
552 select SWAP_IO_SPACE
ed5ba2fb
YY
553 select SYS_SUPPORTS_32BIT_KERNEL
554 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
555 help
556 This are the SGI Indy, Challenge S and Indigo2, as well as certain
557 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
558 that runs on these, say Y here.
559
560config SGI_IP27
561 bool "Support for SGI IP27 (Origin200/2000)"
1da177e4
LT
562 select ARC
563 select ARC64
564 select DMA_IP27
565 select HW_HAS_PCI
566 select PCI_DOMAINS
ed5ba2fb 567 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
568 help
569 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
570 workstations. To compile a Linux kernel that runs on these, say Y
571 here.
572
573#config SGI_SN0_XXL
574# bool "IP27 XXL"
575# depends on SGI_IP27
576# This options adds support for userspace processes upto 16TB size.
577# Normally the limit is just .5TB.
578
579config SGI_SN0_N_MODE
580 bool "IP27 N-Mode"
581 depends on SGI_IP27
582 help
583 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
584 configured in either N-Modes which allows for more nodes or M-Mode
585 which allows for more memory. Your system is most probably
586 running in M-Mode, so you should say N here.
587
3f22ab27 588config ARCH_DISCONTIGMEM_ENABLE
1da177e4
LT
589 bool
590 default y if SGI_IP27
591 help
592 Say Y to upport efficient handling of discontiguous physical memory,
593 for architectures which are either NUMA (Non-Uniform Memory Access)
594 or have huge holes in the physical address space for other reasons.
595 See <file:Documentation/vm/numa> for more.
596
597config NUMA
598 bool "NUMA Support"
599 depends on SGI_IP27
600 help
601 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
602 Access). This option is for configuring high-end multiprocessor
603 server machines. If in doubt, say N.
604
605config MAPPED_KERNEL
606 bool "Mapped kernel support"
607 depends on SGI_IP27
608 help
609 Change the way a Linux kernel is loaded into memory on a MIPS64
610 machine. This is required in order to support text replication and
611 NUMA. If you need to understand it, read the source code.
612
613config REPLICATE_KTEXT
614 bool "Kernel text replication support"
615 depends on SGI_IP27
616 help
617 Say Y here to enable replicating the kernel text across multiple
618 nodes in a NUMA cluster. This trades memory for speed.
619
620config REPLICATE_EXHANDLERS
621 bool "Exception handler replication support"
622 depends on SGI_IP27
623 help
624 Say Y here to enable replicating the kernel exception handlers
625 across multiple nodes in a NUMA cluster. This trades memory for
626 speed.
627
628config SGI_IP32
629 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
ed5ba2fb 630 depends on EXPERIMENTAL
1da177e4
LT
631 select ARC
632 select ARC32
633 select BOOT_ELF32
634 select OWN_DMA
635 select DMA_IP32
636 select DMA_NONCOHERENT
637 select HW_HAS_PCI
638 select R5000_CPU_SCACHE
639 select RM7000_CPU_SCACHE
ed5ba2fb 640 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
641 help
642 If you want this kernel to run on SGI O2 workstation, say Y here.
643
644config SOC_AU1X00
1da177e4 645 bool "Support for AMD/Alchemy Au1X00 SOCs"
ed5ba2fb 646 select SYS_SUPPORTS_32BIT_KERNEL
1da177e4
LT
647
648choice
649 prompt "Au1X00 SOC Type"
650 depends on SOC_AU1X00
651 help
652 Say Y here to enable support for one of three AMD/Alchemy
653 SOCs. For additional documentation see www.amd.com.
654
655config SOC_AU1000
656 bool "SOC_AU1000"
657config SOC_AU1100
658 bool "SOC_AU1100"
659config SOC_AU1500
660 bool "SOC_AU1500"
661config SOC_AU1550
662 bool "SOC_AU1550"
663
664endchoice
665
666choice
667 prompt "AMD/Alchemy Au1x00 board support"
668 depends on SOC_AU1X00
669 help
670 These are evaluation boards built by AMD/Alchemy to
671 showcase their Au1X00 Internet Edge Processors. The SOC design
672 is based on the MIPS32 architecture running at 266/400/500MHz
673 with many integrated peripherals. Further information can be
674 found at their website, <http://www.amd.com/>. Say Y here if you
675 wish to build a kernel for this platform.
676
677config MIPS_PB1000
678 bool "PB1000 board"
679 depends on SOC_AU1000
680 select DMA_NONCOHERENT
681 select HW_HAS_PCI
682 select SWAP_IO_SPACE
683
684config MIPS_PB1100
685 bool "PB1100 board"
686 depends on SOC_AU1100
687 select DMA_NONCOHERENT
688 select HW_HAS_PCI
689 select SWAP_IO_SPACE
690
691config MIPS_PB1500
692 bool "PB1500 board"
693 depends on SOC_AU1500
694 select DMA_COHERENT
695 select HW_HAS_PCI
696
697config MIPS_PB1550
698 bool "PB1550 board"
699 depends on SOC_AU1550
700 select DMA_COHERENT
701 select HW_HAS_PCI
702 select MIPS_DISABLE_OBSOLETE_IDE
703
704config MIPS_DB1000
705 bool "DB1000 board"
706 depends on SOC_AU1000
707 select DMA_NONCOHERENT
708 select HW_HAS_PCI
709
710config MIPS_DB1100
711 bool "DB1100 board"
712 depends on SOC_AU1100
713 select DMA_NONCOHERENT
714
715config MIPS_DB1500
716 bool "DB1500 board"
717 depends on SOC_AU1500
718 select DMA_COHERENT
719 select HW_HAS_PCI
720 select MIPS_DISABLE_OBSOLETE_IDE
721
722config MIPS_DB1550
723 bool "DB1550 board"
724 depends on SOC_AU1550
725 select HW_HAS_PCI
726 select DMA_COHERENT
727 select MIPS_DISABLE_OBSOLETE_IDE
728
729config MIPS_BOSPORUS
730 bool "Bosporus board"
731 depends on SOC_AU1500
732 select DMA_NONCOHERENT
733
734config MIPS_MIRAGE
735 bool "Mirage board"
736 depends on SOC_AU1500
737 select DMA_NONCOHERENT
738
739config MIPS_XXS1500
740 bool "MyCable XXS1500 board"
741 depends on SOC_AU1500
742 select DMA_NONCOHERENT
743
744config MIPS_MTX1
745 bool "4G Systems MTX-1 board"
746 depends on SOC_AU1500
747 select HW_HAS_PCI
748 select DMA_NONCOHERENT
749
750endchoice
751
1da177e4
LT
752config SNI_RM200_PCI
753 bool "Support for SNI RM200 PCI"
754 select ARC
755 select ARC32
756 select BOOT_ELF32
757 select DMA_NONCOHERENT
758 select GENERIC_ISA_DMA
759 select HAVE_STD_PC_SERIAL_PORT
760 select HW_HAS_PCI
761 select I8259
762 select ISA
ed5ba2fb
YY
763 select SYS_SUPPORTS_32BIT_KERNEL
764 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1da177e4
LT
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
771config TOSHIBA_RBTX4927
772 bool "Support for Toshiba TBTX49[23]7 board"
1da177e4
LT
773 select DMA_NONCOHERENT
774 select HAS_TXX9_SERIAL
775 select HW_HAS_PCI
776 select I8259
777 select ISA
778 select SWAP_IO_SPACE
ed5ba2fb
YY
779 select SYS_SUPPORTS_32BIT_KERNEL
780 select SYS_SUPPORTS_64BIT_KERNEL
1da177e4
LT
781 help
782 This Toshiba board is based on the TX4927 processor. Say Y here to
783 support this machine type
784
785config TOSHIBA_FPCIB0
786 bool "FPCIB0 Backplane Support"
787 depends on TOSHIBA_RBTX4927
788
38b18f72
RB
789source "arch/mips/sibyte/Kconfig"
790
1da177e4
LT
791config RWSEM_GENERIC_SPINLOCK
792 bool
793 default y
794
795config RWSEM_XCHGADD_ALGORITHM
796 bool
797
798config GENERIC_CALIBRATE_DELAY
799 bool
800 default y
801
1da177e4
LT
802#
803# Select some configuration options automatically based on user selections.
804#
805config ARC
806 bool
807 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
808 default y
809
4ce588cd 810config DMA_COHERENT
1da177e4
LT
811 bool
812
4ce588cd 813config DMA_IP27
1da177e4
LT
814 bool
815
4ce588cd
RB
816config DMA_IP32
817 bool
818 select DMA_NEED_PCI_MAP_STATE
819
820config DMA_NONCOHERENT
821 bool
822 select DMA_NEED_PCI_MAP_STATE
823
824config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
825 bool
826
827config EARLY_PRINTK
828 bool
829 depends on MACH_DECSTATION
830 default y
831
832config GENERIC_ISA_DMA
833 bool
834 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
835 default y
836
837config I8259
838 bool
839 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
840 default y
841
842config LIMITED_DMA
843 bool
844 select HIGHMEM
845
846config MIPS_BONITO64
847 bool
848 depends on MIPS_ATLAS || MIPS_MALTA
849 default y
850
851config MIPS_MSC
852 bool
853 depends on MIPS_ATLAS || MIPS_MALTA
854 default y
855
856config MIPS_NILE4
857 bool
858 depends on LASAT
859 default y
860
861config MIPS_DISABLE_OBSOLETE_IDE
862 bool
863
864config CPU_LITTLE_ENDIAN
865 bool "Generate little endian code"
ab1418a3 866 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
867 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
868 help
869 Some MIPS machines can be configured for either little or big endian
870 byte order. These modes require different kernels. Say Y if your
871 machine is little endian, N if it's a big endian machine.
872
873config IRQ_CPU
874 bool
875
876config IRQ_CPU_RM7K
877 bool
878
879config IRQ_MV64340
880 bool
881
882config DDB5XXX_COMMON
883 bool
884 depends on DDB5074 || DDB5476 || DDB5477
885 default y
886
887config MIPS_BOARDS_GEN
888 bool
889 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
890 default y
891
892config MIPS_GT64111
893 bool
894 depends on MIPS_COBALT
895 default y
896
897config MIPS_GT64120
898 bool
899 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
900 default y
901
902config MIPS_TX3927
903 bool
904 depends on TOSHIBA_JMR3927
905 select HAS_TXX9_SERIAL
906 default y
907
908config PCI_MARVELL
909 bool
910
911config ITE_BOARD_GEN
912 bool
913 depends on MIPS_IVR || MIPS_ITE8172
914 default y
915
916config SWAP_IO_SPACE
917 bool
918
919#
920# Unfortunately not all GT64120 systems run the chip at the same clock.
921# As the user for the clock rate and try to minimize the available options.
922#
923choice
924 prompt "Galileo Chip Clock"
925 #default SYSCLK_83 if MIPS_EV64120
926 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
927 default SYSCLK_83 if MIPS_EV64120
928 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
929
930config SYSCLK_75
931 bool "75" if MIPS_EV64120
932
933config SYSCLK_83
934 bool "83.3" if MIPS_EV64120
935
936config SYSCLK_100
937 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
938
939endchoice
940
941config AU1X00_USB_DEVICE
942 bool
943 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
944 default n
945
946config MIPS_GT96100
947 bool
948 depends on MIPS_EV96100
949 default y
950 help
951 Say Y here to support the Galileo Technology GT96100 communications
952 controller card. There is a web page at <http://www.galileot.com/>.
953
954config IT8172_CIR
955 bool
956 depends on MIPS_ITE8172 || MIPS_IVR
957 default y
958
959config IT8712
960 bool
961 depends on MIPS_ITE8172
962 default y
963
964config BOOT_ELF32
965 bool
966 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
967 default y
968
969config MIPS_L1_CACHE_SHIFT
970 int
971 default "4" if MACH_DECSTATION
972 default "7" if SGI_IP27
973 default "5"
974
975config ARC32
976 bool
977 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
978 default y
979
1da177e4
LT
980config HAVE_STD_PC_SERIAL_PORT
981 bool
982
1da177e4
LT
983config ARC_CONSOLE
984 bool "ARC console support"
985 depends on SGI_IP22 || SNI_RM200_PCI
986
987config ARC_MEMORY
988 bool
989 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
990 default y
991
992config ARC_PROMLIB
993 bool
994 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
995 default y
996
997config ARC64
998 bool
999 depends on SGI_IP27
1000 default y
1001
1002config BOOT_ELF64
1003 bool
1004 depends on SGI_IP27
1005 default y
1006
1007#config MAPPED_PCI_IO y
1008# bool
1009# depends on SGI_IP27
1010# default y
1011
1012config QL_ISP_A64
1013 bool
1014 depends on SGI_IP27
1015 default y
1016
1017config TOSHIBA_BOARDS
1018 bool
1019 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1020 default y
1021
1022endmenu
1023
1024menu "CPU selection"
1025
1026choice
1027 prompt "CPU type"
1028 default CPU_R4X00
1029
1030config CPU_MIPS32
1031 bool "MIPS32"
ed5ba2fb 1032 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1033
1034config CPU_MIPS64
1035 bool "MIPS64"
ed5ba2fb
YY
1036 select CPU_SUPPORTS_32BIT_KERNEL
1037 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1038
1039config CPU_R3000
1040 bool "R3000"
ed5ba2fb 1041 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1042 help
1043 Please make sure to pick the right CPU type. Linux/MIPS is not
1044 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1045 *not* work on R4000 machines and vice versa. However, since most
1046 of the supported machines have an R4000 (or similar) CPU, R4x00
1047 might be a safe bet. If the resulting kernel does not work,
1048 try to recompile with R3000.
1049
1050config CPU_TX39XX
1051 bool "R39XX"
ed5ba2fb 1052 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1053
1054config CPU_VR41XX
1055 bool "R41xx"
ed5ba2fb
YY
1056 select CPU_SUPPORTS_32BIT_KERNEL
1057 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1058 help
1059 The options selects support for the NEC VR41xx series of processors.
1060 Only choose this option if you have one of these processors as a
1061 kernel built with this option will not run on any other type of
1062 processor or vice versa.
1063
1064config CPU_R4300
1065 bool "R4300"
ed5ba2fb
YY
1066 select CPU_SUPPORTS_32BIT_KERNEL
1067 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1068 help
1069 MIPS Technologies R4300-series processors.
1070
1071config CPU_R4X00
1072 bool "R4x00"
ed5ba2fb
YY
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1075 help
1076 MIPS Technologies R4000-series processors other than 4300, including
1077 the R4000, R4400, R4600, and 4700.
1078
1079config CPU_TX49XX
1080 bool "R49XX"
ed5ba2fb
YY
1081 select CPU_SUPPORTS_32BIT_KERNEL
1082 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1083
1084config CPU_R5000
1085 bool "R5000"
ed5ba2fb
YY
1086 select CPU_SUPPORTS_32BIT_KERNEL
1087 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1088 help
1089 MIPS Technologies R5000-series processors other than the Nevada.
1090
1091config CPU_R5432
1092 bool "R5432"
1093
1094config CPU_R6000
1095 bool "R6000"
ed5ba2fb
YY
1096 depends on EXPERIMENTAL
1097 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1098 help
1099 MIPS Technologies R6000 and R6000A series processors. Note these
1100 processors are extremly rare and the support for them is incomplete.
1101
1102config CPU_NEVADA
1103 bool "RM52xx"
ed5ba2fb
YY
1104 select CPU_SUPPORTS_32BIT_KERNEL
1105 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1106 help
1107 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1108
1109config CPU_R8000
1110 bool "R8000"
ed5ba2fb
YY
1111 depends on EXPERIMENTAL
1112 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1113 help
1114 MIPS Technologies R8000 processors. Note these processors are
1115 uncommon and the support for them is incomplete.
1116
1117config CPU_R10000
1118 bool "R10000"
ed5ba2fb
YY
1119 select CPU_SUPPORTS_32BIT_KERNEL
1120 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1121 help
1122 MIPS Technologies R10000-series processors.
1123
1124config CPU_RM7000
1125 bool "RM7000"
ed5ba2fb
YY
1126 select CPU_SUPPORTS_32BIT_KERNEL
1127 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1128
1129config CPU_RM9000
1130 bool "RM9000"
ed5ba2fb
YY
1131 select CPU_SUPPORTS_32BIT_KERNEL
1132 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1133
1134config CPU_SB1
1135 bool "SB1"
ed5ba2fb
YY
1136 select CPU_SUPPORTS_32BIT_KERNEL
1137 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1138
1139endchoice
1140
1141choice
1142 prompt "Kernel page size"
1143 default PAGE_SIZE_4KB
1144
1145config PAGE_SIZE_4KB
1146 bool "4kB"
1147 help
1148 This option select the standard 4kB Linux page size. On some
1149 R3000-family processors this is the only available page size. Using
1150 4kB page size will minimize memory consumption and is therefore
1151 recommended for low memory systems.
1152
1153config PAGE_SIZE_8KB
1154 bool "8kB"
1155 depends on EXPERIMENTAL && CPU_R8000
1156 help
1157 Using 8kB page size will result in higher performance kernel at
1158 the price of higher memory consumption. This option is available
1159 only on the R8000 processor. Not that at the time of this writing
1160 this option is still high experimental; there are also issues with
1161 compatibility of user applications.
1162
1163config PAGE_SIZE_16KB
1164 bool "16kB"
1165 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1166 help
1167 Using 16kB page size will result in higher performance kernel at
1168 the price of higher memory consumption. This option is available on
1169 all non-R3000 family processor. Not that at the time of this
1170 writing this option is still high experimental; there are also
1171 issues with compatibility of user applications.
1172
1173config PAGE_SIZE_64KB
1174 bool "64kB"
1175 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1176 help
1177 Using 64kB page size will result in higher performance kernel at
1178 the price of higher memory consumption. This option is available on
1179 all non-R3000 family processor. Not that at the time of this
1180 writing this option is still high experimental; there are also
1181 issues with compatibility of user applications.
1182
1183endchoice
1184
1185config BOARD_SCACHE
1186 bool
1187
1188config IP22_CPU_SCACHE
1189 bool
1190 select BOARD_SCACHE
1191
1192config R5000_CPU_SCACHE
1193 bool
1194 select BOARD_SCACHE
1195
1196config RM7000_CPU_SCACHE
1197 bool
1198 select BOARD_SCACHE
1199
1200config SIBYTE_DMA_PAGEOPS
1201 bool "Use DMA to clear/copy pages"
1202 depends on CPU_SB1
1203 help
1204 Instead of using the CPU to zero and copy pages, use a Data Mover
1205 channel. These DMA channels are otherwise unused by the standard
1206 SiByte Linux port. Seems to give a small performance benefit.
1207
1208config CPU_HAS_PREFETCH
1209 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1210 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1211
1212config VTAG_ICACHE
1213 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1214 default y if CPU_SB1
1215
1216config SB1_PASS_1_WORKAROUNDS
1217 bool
1218 depends on CPU_SB1_PASS_1
1219 default y
1220
1221config SB1_PASS_2_WORKAROUNDS
1222 bool
1223 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1224 default y
1225
1226config SB1_PASS_2_1_WORKAROUNDS
1227 bool
1228 depends on CPU_SB1 && CPU_SB1_PASS_2
1229 default y
1230
1231config 64BIT_PHYS_ADDR
1232 bool "Support for 64-bit physical address space"
875d43e7 1233 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1da177e4
LT
1234
1235config CPU_ADVANCED
1236 bool "Override CPU Options"
875d43e7 1237 depends on 32BIT
1da177e4
LT
1238 help
1239 Saying yes here allows you to select support for various features
1240 your CPU may or may not have. Most people should say N here.
1241
1242config CPU_HAS_LLSC
1243 bool "ll/sc Instructions available" if CPU_ADVANCED
1244 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1245 help
1246 MIPS R4000 series and later provide the Load Linked (ll)
1247 and Store Conditional (sc) instructions. More information is
1248 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1249
1250 Say Y here if your CPU has the ll and sc instructions. Say Y here
1251 for better performance, N if you don't know. You must say Y here
1252 for multiprocessor machines.
1253
1254config CPU_HAS_LLDSCD
1255 bool "lld/scd Instructions available" if CPU_ADVANCED
1256 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1257 help
1258 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1259 equivalents of ll and sc. Say Y here for better performance, N if
1260 you don't know. You must say Y here for multiprocessor machines.
1261
1262config CPU_HAS_WB
1263 bool "Writeback Buffer available" if CPU_ADVANCED
1264 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1265 help
1266 Say N here for slightly better performance. You must say Y here for
1267 machines which require flushing of write buffers in software. Saying
1268 Y is the safe option; N may result in kernel malfunction and crashes.
1269
1270config CPU_HAS_SYNC
1271 bool
1272 depends on !CPU_R3000
1273 default y
1274
1275#
1276# - Highmem only makes sense for the 32-bit kernel.
1277# - The current highmem code will only work properly on physically indexed
1278# caches such as R3000, SB1, R7000 or those that look like they're virtually
1279# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1280# moment we protect the user and offer the highmem option only on machines
1281# where it's known to be safe. This will not offer highmem on a few systems
1282# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1283# indexed CPUs but we're playing safe.
1284# - We should not offer highmem for system of which we already know that they
1285# don't have memory configurations that could gain from highmem support in
1286# the kernel because they don't support configurations with RAM at physical
1287# addresses > 0x20000000.
1288#
1289config HIGHMEM
1290 bool "High Memory Support"
875d43e7 1291 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1da177e4 1292
b4819b59
YY
1293config ARCH_FLATMEM_ENABLE
1294 def_bool y
1295 depends on !NUMA
1296
1297source "mm/Kconfig"
1298
1da177e4
LT
1299config SMP
1300 bool "Multi-Processing support"
1301 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1302 ---help---
1303 This enables support for systems with more than one CPU. If you have
1304 a system with only one CPU, like most personal computers, say N. If
1305 you have a system with more than one CPU, say Y.
1306
1307 If you say N here, the kernel will run on single and multiprocessor
1308 machines, but will use only one CPU of a multiprocessor machine. If
1309 you say Y here, the kernel will run on many, but not all,
1310 singleprocessor machines. On a singleprocessor machine, the kernel
1311 will run faster if you say N here.
1312
1313 People using multiprocessor machines who say Y here should also say
1314 Y to "Enhanced Real Time Clock Support", below.
1315
1316 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1317 available at <http://www.tldp.org/docs.html#howto>.
1318
1319 If you don't know what to do here, say N.
1320
1321config NR_CPUS
1322 int "Maximum number of CPUs (2-64)"
1323 range 2 64
1324 depends on SMP
1325 default "64" if SGI_IP27
1326 default "2"
1327 help
1328 This allows you to specify the maximum number of CPUs which this
1329 kernel will support. The maximum supported value is 32 for 32-bit
1330 kernel and 64 for 64-bit kernels; the minimum value which makes
1331 sense is 2.
1332
1333 This is purely to save memory - each supported CPU adds
1334 approximately eight kilobytes to the kernel image.
1335
1336config PREEMPT
1337 bool "Preemptible Kernel"
1338 help
1339 This option reduces the latency of the kernel when reacting to
1340 real-time or interactive events by allowing a low priority process to
1341 be preempted even if it is in kernel mode executing a system call.
1342 This allows applications to run more reliably even when the system is
1343 under load.
1344
1345config RTC_DS1742
1346 bool "DS1742 BRAM/RTC support"
1347 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1348
1349config MIPS_INSANE_LARGE
1350 bool "Support for large 64-bit configurations"
875d43e7 1351 depends on CPU_R10000 && 64BIT
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LT
1352 help
1353 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1354 previous 64-bit processors which only supported 40 bit / 1TB. If you
1355 need processes of more than 1TB virtual address space, say Y here.
1356 This will result in additional memory usage, so it is not
1357 recommended for normal users.
1358
1359config RWSEM_GENERIC_SPINLOCK
1360 bool
1361 default y
1362
1363endmenu
1364
1365menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1366
1367config HW_HAS_PCI
1368 bool
1369
1370config PCI
1371 bool "Support for PCI controller"
1372 depends on HW_HAS_PCI
1373 help
1374 Find out whether you have a PCI motherboard. PCI is the name of a
1375 bus system, i.e. the way the CPU talks to the other stuff inside
1376 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1377 say Y, otherwise N.
1378
1379 The PCI-HOWTO, available from
1380 <http://www.tldp.org/docs.html#howto>, contains valuable
1381 information about which PCI hardware does work under Linux and which
1382 doesn't.
1383
1384config PCI_DOMAINS
1385 bool
1386 depends on PCI
1387
1388source "drivers/pci/Kconfig"
1389
1390#
1391# ISA support is now enabled via select. Too many systems still have the one
1392# or other ISA chip on the board that users don't know about so don't expect
1393# users to choose the right thing ...
1394#
1395config ISA
1396 bool
1397
1398config EISA
1399 bool "EISA support"
1400 depends on SGI_IP22 || SNI_RM200_PCI
1401 select ISA
1402 ---help---
1403 The Extended Industry Standard Architecture (EISA) bus was
1404 developed as an open alternative to the IBM MicroChannel bus.
1405
1406 The EISA bus provided some of the features of the IBM MicroChannel
1407 bus while maintaining backward compatibility with cards made for
1408 the older ISA bus. The EISA bus saw limited use between 1988 and
1409 1995 when it was made obsolete by the PCI bus.
1410
1411 Say Y here if you are building a kernel for an EISA-based machine.
1412
1413 Otherwise, say N.
1414
1415source "drivers/eisa/Kconfig"
1416
1417config TC
1418 bool "TURBOchannel support"
1419 depends on MACH_DECSTATION
1420 help
1421 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1422 processors. Documentation on writing device drivers for TurboChannel
1423 is available at:
1424 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1425
1426#config ACCESSBUS
1427# bool "Access.Bus support"
1428# depends on TC
1429
1430config MMU
1431 bool
1432 default y
1433
1434config MCA
1435 bool
1436
1437config SBUS
1438 bool
1439
1440source "drivers/pcmcia/Kconfig"
1441
1442source "drivers/pci/hotplug/Kconfig"
1443
1444endmenu
1445
1446menu "Executable file formats"
1447
1448source "fs/Kconfig.binfmt"
1449
1450config TRAD_SIGNALS
1451 bool
875d43e7 1452 default y if 32BIT
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LT
1453
1454config BUILD_ELF64
1455 bool "Use 64-bit ELF format for building"
875d43e7 1456 depends on 64BIT
1da177e4
LT
1457 help
1458 A 64-bit kernel is usually built using the 64-bit ELF binary object
1459 format as it's one that allows arbitrary 64-bit constructs. For
1460 kernels that are loaded within the KSEG compatibility segments the
1461 32-bit ELF format can optionally be used resulting in a somewhat
1462 smaller binary, but this option is not explicitly supported by the
1463 toolchain and since binutils 2.14 it does not even work at all.
1464
1465 Say Y to use the 64-bit format or N to use the 32-bit one.
1466
1467 If unsure say Y.
1468
1469config BINFMT_IRIX
1470 bool "Include IRIX binary compatibility"
875d43e7 1471 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1da177e4
LT
1472
1473config MIPS32_COMPAT
1474 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 1475 depends on 64BIT
1da177e4
LT
1476 help
1477 Select this option if you want Linux/MIPS 32-bit binary
1478 compatibility. Since all software available for Linux/MIPS is
1479 currently 32-bit you should say Y here.
1480
1481config COMPAT
1482 bool
1483 depends on MIPS32_COMPAT
1484 default y
1485
1486config MIPS32_O32
1487 bool "Kernel support for o32 binaries"
1488 depends on MIPS32_COMPAT
1489 help
1490 Select this option if you want to run o32 binaries. These are pure
1491 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1492 existing binaries are in this format.
1493
1494 If unsure, say Y.
1495
1496config MIPS32_N32
1497 bool "Kernel support for n32 binaries"
1498 depends on MIPS32_COMPAT
1499 help
1500 Select this option if you want to run n32 binaries. These are
1501 64-bit binaries using 32-bit quantities for addressing and certain
1502 data that would normally be 64-bit. They are used in special
1503 cases.
1504
1505 If unsure, say N.
1506
1507config BINFMT_ELF32
1508 bool
1509 default y if MIPS32_O32 || MIPS32_N32
1510
1511config PM
1512 bool "Power Management support (EXPERIMENTAL)"
1513 depends on EXPERIMENTAL && MACH_AU1X00
1514
1515endmenu
1516
d5950b43
SR
1517source "net/Kconfig"
1518
1da177e4
LT
1519source "drivers/Kconfig"
1520
1521source "fs/Kconfig"
1522
1523source "arch/mips/Kconfig.debug"
1524
1525source "security/Kconfig"
1526
1527source "crypto/Kconfig"
1528
1529source "lib/Kconfig"
1530
1531#
1532# Use the generic interrupt handling code in kernel/irq/:
1533#
1534config GENERIC_HARDIRQS
1535 bool
1536 default y
1537
1538config GENERIC_IRQ_PROBE
1539 bool
1540 default y
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AV
1541
1542config ISA_DMA_API
1543 bool
1544 default y