| blob | 8768d82f3831848cf82faacbbd0b53edc3de248b |
1 config MIPS
2 bool
3 default y
4 select HAVE_IDE
5 select HAVE_OPROFILE
6 # Horrible source of confusion. Die, die, die ...
7 select EMBEDDED
8 select RTC_LIB
10 mainmenu "Linux/MIPS Kernel Configuration"
12 menu "Machine selection"
14 config ZONE_DMA
15 bool
17 choice
18 prompt "System type"
19 default SGI_IP22
21 config MACH_ALCHEMY
22 bool "Alchemy processor based machines"
24 config BASLER_EXCITE
25 bool "Basler eXcite smart camera"
26 select CEVT_R4K
27 select CSRC_R4K
28 select DMA_COHERENT
29 select HW_HAS_PCI
30 select IRQ_CPU
31 select IRQ_CPU_RM7K
32 select IRQ_CPU_RM9K
33 select MIPS_RM9122
34 select SYS_HAS_CPU_RM9000
35 select SYS_SUPPORTS_32BIT_KERNEL
36 select SYS_SUPPORTS_BIG_ENDIAN
37 select SYS_SUPPORTS_KGDB
38 help
39 The eXcite is a smart camera platform manufactured by
40 Basler Vision Technologies AG.
42 config BCM47XX
43 bool "BCM47XX based boards"
44 select CEVT_R4K
45 select CSRC_R4K
46 select DMA_NONCOHERENT
47 select HW_HAS_PCI
48 select IRQ_CPU
49 select SYS_HAS_CPU_MIPS32_R1
50 select SYS_SUPPORTS_32BIT_KERNEL
51 select SYS_SUPPORTS_LITTLE_ENDIAN
52 select SSB
53 select SSB_DRIVER_MIPS
54 select SSB_DRIVER_EXTIF
55 select SSB_PCICORE_HOSTMODE if PCI
56 select GENERIC_GPIO
57 select SYS_HAS_EARLY_PRINTK
58 select CFE
59 help
60 Support for BCM47XX based boards
62 config MIPS_COBALT
63 bool "Cobalt Server"
64 select CEVT_R4K
65 select CSRC_R4K
66 select CEVT_GT641XX
67 select DMA_NONCOHERENT
68 select HW_HAS_PCI
69 select I8253
70 select I8259
71 select IRQ_CPU
72 select IRQ_GT641XX
73 select PCI_GT64XXX_PCI0
74 select SYS_HAS_CPU_NEVADA
75 select SYS_HAS_EARLY_PRINTK
76 select SYS_SUPPORTS_32BIT_KERNEL
77 select SYS_SUPPORTS_64BIT_KERNEL
78 select SYS_SUPPORTS_LITTLE_ENDIAN
79 select GENERIC_HARDIRQS_NO__DO_IRQ
81 config MACH_DECSTATION
82 bool "DECstations"
83 select BOOT_ELF32
84 select CEVT_R4K
85 select CSRC_R4K
86 select CPU_DADDI_WORKAROUNDS if 64BIT
87 select CPU_R4000_WORKAROUNDS if 64BIT
88 select CPU_R4400_WORKAROUNDS if 64BIT
89 select DMA_NONCOHERENT
90 select NO_IOPORT
91 select IRQ_CPU
92 select SYS_HAS_CPU_R3000
93 select SYS_HAS_CPU_R4X00
94 select SYS_SUPPORTS_32BIT_KERNEL
95 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
96 select SYS_SUPPORTS_LITTLE_ENDIAN
97 select SYS_SUPPORTS_128HZ
98 select SYS_SUPPORTS_256HZ
99 select SYS_SUPPORTS_1024HZ
100 help
101 This enables support for DEC's MIPS based workstations. For details
102 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
103 DECstation porting pages on <http://decstation.unix-ag.org/>.
105 If you have one of the following DECstation Models you definitely
106 want to choose R4xx0 for the CPU Type:
108 DECstation 5000/50
109 DECstation 5000/150
110 DECstation 5000/260
111 DECsystem 5900/260
113 otherwise choose R3000.
115 config MACH_JAZZ
116 bool "Jazz family of machines"
117 select ARC
118 select ARC32
119 select ARCH_MAY_HAVE_PC_FDC
120 select CEVT_R4K
121 select CSRC_R4K
122 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
123 select GENERIC_ISA_DMA
124 select IRQ_CPU
125 select I8253
126 select I8259
127 select ISA
128 select SYS_HAS_CPU_R4X00
129 select SYS_SUPPORTS_32BIT_KERNEL
130 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
131 select SYS_SUPPORTS_100HZ
132 select GENERIC_HARDIRQS_NO__DO_IRQ
133 help
134 This a family of machines based on the MIPS R4030 chipset which was
135 used by several vendors to build RISC/os and Windows NT workstations.
136 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
137 Olivetti M700-10 workstations.
139 config LASAT
140 bool "LASAT Networks platforms"
141 select CEVT_R4K
142 select CSRC_R4K
143 select DMA_NONCOHERENT
144 select SYS_HAS_EARLY_PRINTK
145 select HW_HAS_PCI
146 select IRQ_CPU
147 select PCI_GT64XXX_PCI0
148 select MIPS_NILE4
149 select R5000_CPU_SCACHE
150 select SYS_HAS_CPU_R5000
151 select SYS_SUPPORTS_32BIT_KERNEL
152 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
153 select SYS_SUPPORTS_LITTLE_ENDIAN
154 select GENERIC_HARDIRQS_NO__DO_IRQ
156 config LEMOTE_FULONG
157 bool "Lemote Fulong mini-PC"
158 select ARCH_SPARSEMEM_ENABLE
159 select CEVT_R4K
160 select CSRC_R4K
161 select SYS_HAS_CPU_LOONGSON2
162 select DMA_NONCOHERENT
163 select BOOT_ELF32
164 select BOARD_SCACHE
165 select HAVE_STD_PC_SERIAL_PORT
166 select HW_HAS_PCI
167 select I8259
168 select ISA
169 select IRQ_CPU
170 select SYS_SUPPORTS_32BIT_KERNEL
171 select SYS_SUPPORTS_64BIT_KERNEL
172 select SYS_SUPPORTS_LITTLE_ENDIAN
173 select SYS_SUPPORTS_HIGHMEM
174 select SYS_HAS_EARLY_PRINTK
175 select GENERIC_HARDIRQS_NO__DO_IRQ
176 select GENERIC_ISA_DMA_SUPPORT_BROKEN
177 select CPU_HAS_WB
178 help
179 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
180 an FPGA northbridge
182 config MIPS_ATLAS
183 bool "MIPS Atlas board"
184 select BOOT_ELF32
185 select BOOT_RAW
186 select CEVT_R4K
187 select CSRC_R4K
188 select DMA_NONCOHERENT
189 select SYS_HAS_EARLY_PRINTK
190 select IRQ_CPU
191 select HW_HAS_PCI
192 select MIPS_BOARDS_GEN
193 select MIPS_BONITO64
194 select PCI_GT64XXX_PCI0
195 select MIPS_MSC
196 select RM7000_CPU_SCACHE
197 select SWAP_IO_SPACE
198 select SYS_HAS_CPU_MIPS32_R1
199 select SYS_HAS_CPU_MIPS32_R2
200 select SYS_HAS_CPU_MIPS64_R1
201 select SYS_HAS_CPU_NEVADA
202 select SYS_HAS_CPU_RM7000
203 select SYS_SUPPORTS_32BIT_KERNEL
204 select SYS_SUPPORTS_64BIT_KERNEL
205 select SYS_SUPPORTS_BIG_ENDIAN
206 select SYS_SUPPORTS_LITTLE_ENDIAN
207 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
208 select SYS_SUPPORTS_SMARTMIPS
209 select GENERIC_HARDIRQS_NO__DO_IRQ
210 help
211 This enables support for the MIPS Technologies Atlas evaluation
212 board.
214 config MIPS_MALTA
215 bool "MIPS Malta board"
216 select ARCH_MAY_HAVE_PC_FDC
217 select BOOT_ELF32
218 select BOOT_RAW
219 select CEVT_R4K
220 select CSRC_R4K
221 select DMA_NONCOHERENT
222 select GENERIC_ISA_DMA
223 select IRQ_CPU
224 select HW_HAS_PCI
225 select I8253
226 select I8259
227 select MIPS_BOARDS_GEN
228 select MIPS_BONITO64
229 select MIPS_CPU_SCACHE
230 select PCI_GT64XXX_PCI0
231 select MIPS_MSC
232 select SWAP_IO_SPACE
233 select SYS_HAS_CPU_MIPS32_R1
234 select SYS_HAS_CPU_MIPS32_R2
235 select SYS_HAS_CPU_MIPS64_R1
236 select SYS_HAS_CPU_NEVADA
237 select SYS_HAS_CPU_RM7000
238 select SYS_HAS_EARLY_PRINTK
239 select SYS_SUPPORTS_32BIT_KERNEL
240 select SYS_SUPPORTS_64BIT_KERNEL
241 select SYS_SUPPORTS_BIG_ENDIAN
242 select SYS_SUPPORTS_LITTLE_ENDIAN
243 select SYS_SUPPORTS_MULTITHREADING
244 select SYS_SUPPORTS_SMARTMIPS
245 help
246 This enables support for the MIPS Technologies Malta evaluation
247 board.
249 config MIPS_SEAD
250 bool "MIPS SEAD board"
251 select CEVT_R4K
252 select CSRC_R4K
253 select IRQ_CPU
254 select DMA_NONCOHERENT
255 select SYS_HAS_EARLY_PRINTK
256 select MIPS_BOARDS_GEN
257 select SYS_HAS_CPU_MIPS32_R1
258 select SYS_HAS_CPU_MIPS32_R2
259 select SYS_HAS_CPU_MIPS64_R1
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
262 select SYS_SUPPORTS_BIG_ENDIAN
263 select SYS_SUPPORTS_LITTLE_ENDIAN
264 select SYS_SUPPORTS_SMARTMIPS
265 help
266 This enables support for the MIPS Technologies SEAD evaluation
267 board.
269 config MIPS_SIM
270 bool 'MIPS simulator (MIPSsim)'
271 select CEVT_R4K
272 select CSRC_R4K
273 select DMA_NONCOHERENT
274 select SYS_HAS_EARLY_PRINTK
275 select IRQ_CPU
276 select BOOT_RAW
277 select SYS_HAS_CPU_MIPS32_R1
278 select SYS_HAS_CPU_MIPS32_R2
279 select SYS_HAS_EARLY_PRINTK
280 select SYS_SUPPORTS_32BIT_KERNEL
281 select SYS_SUPPORTS_BIG_ENDIAN
282 select SYS_SUPPORTS_MULTITHREADING
283 select SYS_SUPPORTS_LITTLE_ENDIAN
284 help
285 This option enables support for MIPS Technologies MIPSsim software
286 emulator.
288 config MARKEINS
289 bool "NEC EMMA2RH Mark-eins"
290 select CEVT_R4K
291 select CSRC_R4K
292 select DMA_NONCOHERENT
293 select HW_HAS_PCI
294 select IRQ_CPU
295 select SWAP_IO_SPACE
296 select SYS_SUPPORTS_32BIT_KERNEL
297 select SYS_SUPPORTS_BIG_ENDIAN
298 select SYS_SUPPORTS_LITTLE_ENDIAN
299 select SYS_HAS_CPU_R5000
300 help
301 This enables support for the R5432-based NEC Mark-eins
302 boards with R5500 CPU.
304 config MACH_VR41XX
305 bool "NEC VR4100 series based machines"
306 select CEVT_R4K
307 select CSRC_R4K
308 select SYS_HAS_CPU_VR41XX
309 select GENERIC_HARDIRQS_NO__DO_IRQ
311 config PNX8550_JBS
312 bool "Philips PNX8550 based JBS board"
313 select PNX8550
314 select SYS_SUPPORTS_LITTLE_ENDIAN
316 config PNX8550_STB810
317 bool "Philips PNX8550 based STB810 board"
318 select PNX8550
319 select SYS_SUPPORTS_LITTLE_ENDIAN
321 config PMC_MSP
322 bool "PMC-Sierra MSP chipsets"
323 depends on EXPERIMENTAL
324 select DMA_NONCOHERENT
325 select SWAP_IO_SPACE
326 select NO_EXCEPT_FILL
327 select BOOT_RAW
328 select SYS_HAS_CPU_MIPS32_R1
329 select SYS_HAS_CPU_MIPS32_R2
330 select SYS_SUPPORTS_32BIT_KERNEL
331 select SYS_SUPPORTS_BIG_ENDIAN
332 select SYS_SUPPORTS_KGDB
333 select IRQ_CPU
334 select SERIAL_8250
335 select SERIAL_8250_CONSOLE
336 help
337 This adds support for the PMC-Sierra family of Multi-Service
338 Processor System-On-A-Chips. These parts include a number
339 of integrated peripherals, interfaces and DSPs in addition to
340 a variety of MIPS cores.
342 config PMC_YOSEMITE
343 bool "PMC-Sierra Yosemite eval board"
344 select CEVT_R4K
345 select CSRC_R4K
346 select DMA_COHERENT
347 select HW_HAS_PCI
348 select IRQ_CPU
349 select IRQ_CPU_RM7K
350 select IRQ_CPU_RM9K
351 select SWAP_IO_SPACE
352 select SYS_HAS_CPU_RM9000
353 select SYS_HAS_EARLY_PRINTK
354 select SYS_SUPPORTS_32BIT_KERNEL
355 select SYS_SUPPORTS_64BIT_KERNEL
356 select SYS_SUPPORTS_BIG_ENDIAN
357 select SYS_SUPPORTS_HIGHMEM
358 select SYS_SUPPORTS_KGDB
359 select SYS_SUPPORTS_SMP
360 help
361 Yosemite is an evaluation board for the RM9000x2 processor
362 manufactured by PMC-Sierra.
364 config SGI_IP22
365 bool "SGI IP22 (Indy/Indigo2)"
366 select ARC
367 select ARC32
368 select BOOT_ELF32
369 select CEVT_R4K
370 select CSRC_R4K
371 select DEFAULT_SGI_PARTITION
372 select DMA_NONCOHERENT
373 select HW_HAS_EISA
374 select I8253
375 select I8259
376 select IP22_CPU_SCACHE
377 select IRQ_CPU
378 select GENERIC_ISA_DMA_SUPPORT_BROKEN
379 select SGI_HAS_DS1286
380 select SGI_HAS_I8042
381 select SGI_HAS_INDYDOG
382 select SGI_HAS_SEEQ
383 select SGI_HAS_WD93
384 select SGI_HAS_ZILOG
385 select SWAP_IO_SPACE
386 select SYS_HAS_CPU_R4X00
387 select SYS_HAS_CPU_R5000
388 select SYS_HAS_EARLY_PRINTK
389 select SYS_SUPPORTS_32BIT_KERNEL
390 select SYS_SUPPORTS_64BIT_KERNEL
391 select SYS_SUPPORTS_BIG_ENDIAN
392 help
393 This are the SGI Indy, Challenge S and Indigo2, as well as certain
394 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
395 that runs on these, say Y here.
397 config SGI_IP27
398 bool "SGI IP27 (Origin200/2000)"
399 select ARC
400 select ARC64
401 select BOOT_ELF64
402 select DEFAULT_SGI_PARTITION
403 select DMA_IP27
404 select SYS_HAS_EARLY_PRINTK
405 select HW_HAS_PCI
406 select NR_CPUS_DEFAULT_64
407 select SYS_HAS_CPU_R10000
408 select SYS_SUPPORTS_64BIT_KERNEL
409 select SYS_SUPPORTS_BIG_ENDIAN
410 select SYS_SUPPORTS_KGDB
411 select SYS_SUPPORTS_NUMA
412 select SYS_SUPPORTS_SMP
413 select GENERIC_HARDIRQS_NO__DO_IRQ
414 help
415 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
416 workstations. To compile a Linux kernel that runs on these, say Y
417 here.
419 config SGI_IP28
420 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
421 depends on EXPERIMENTAL
422 select ARC
423 select ARC64
424 select BOOT_ELF64
425 select CEVT_R4K
426 select CSRC_R4K
427 select DEFAULT_SGI_PARTITION
428 select DMA_NONCOHERENT
429 select GENERIC_ISA_DMA_SUPPORT_BROKEN
430 select IRQ_CPU
431 select HW_HAS_EISA
432 select I8253
433 select I8259
434 select SGI_HAS_DS1286
435 select SGI_HAS_I8042
436 select SGI_HAS_INDYDOG
437 select SGI_HAS_SEEQ
438 select SGI_HAS_WD93
439 select SGI_HAS_ZILOG
440 select SWAP_IO_SPACE
441 select SYS_HAS_CPU_R10000
442 select SYS_HAS_EARLY_PRINTK
443 select SYS_SUPPORTS_64BIT_KERNEL
444 select SYS_SUPPORTS_BIG_ENDIAN
445 help
446 This is the SGI Indigo2 with R10000 processor. To compile a Linux
447 kernel that runs on these, say Y here.
449 config SGI_IP32
450 bool "SGI IP32 (O2)"
451 select ARC
452 select ARC32
453 select BOOT_ELF32
454 select CEVT_R4K
455 select CSRC_R4K
456 select DMA_NONCOHERENT
457 select HW_HAS_PCI
458 select IRQ_CPU
459 select R5000_CPU_SCACHE
460 select RM7000_CPU_SCACHE
461 select SYS_HAS_CPU_R5000
462 select SYS_HAS_CPU_R10000 if BROKEN
463 select SYS_HAS_CPU_RM7000
464 select SYS_HAS_CPU_NEVADA
465 select SYS_SUPPORTS_64BIT_KERNEL
466 select SYS_SUPPORTS_BIG_ENDIAN
467 help
468 If you want this kernel to run on SGI O2 workstation, say Y here.
470 config SIBYTE_CRHINE
471 bool "Sibyte BCM91120C-CRhine"
472 depends on EXPERIMENTAL
473 select BOOT_ELF32
474 select DMA_COHERENT
475 select SIBYTE_BCM1120
476 select SWAP_IO_SPACE
477 select SYS_HAS_CPU_SB1
478 select SYS_SUPPORTS_BIG_ENDIAN
479 select SYS_SUPPORTS_LITTLE_ENDIAN
481 config SIBYTE_CARMEL
482 bool "Sibyte BCM91120x-Carmel"
483 depends on EXPERIMENTAL
484 select BOOT_ELF32
485 select DMA_COHERENT
486 select SIBYTE_BCM1120
487 select SWAP_IO_SPACE
488 select SYS_HAS_CPU_SB1
489 select SYS_SUPPORTS_BIG_ENDIAN
490 select SYS_SUPPORTS_LITTLE_ENDIAN
492 config SIBYTE_CRHONE
493 bool "Sibyte BCM91125C-CRhone"
494 depends on EXPERIMENTAL
495 select BOOT_ELF32
496 select DMA_COHERENT
497 select SIBYTE_BCM1125
498 select SWAP_IO_SPACE
499 select SYS_HAS_CPU_SB1
500 select SYS_SUPPORTS_BIG_ENDIAN
501 select SYS_SUPPORTS_HIGHMEM
502 select SYS_SUPPORTS_LITTLE_ENDIAN
504 config SIBYTE_RHONE
505 bool "Sibyte BCM91125E-Rhone"
506 depends on EXPERIMENTAL
507 select BOOT_ELF32
508 select DMA_COHERENT
509 select SIBYTE_BCM1125H
510 select SWAP_IO_SPACE
511 select SYS_HAS_CPU_SB1
512 select SYS_SUPPORTS_BIG_ENDIAN
513 select SYS_SUPPORTS_LITTLE_ENDIAN
515 config SIBYTE_SWARM
516 bool "Sibyte BCM91250A-SWARM"
517 select BOOT_ELF32
518 select DMA_COHERENT
519 select NR_CPUS_DEFAULT_2
520 select SIBYTE_SB1250
521 select SWAP_IO_SPACE
522 select SYS_HAS_CPU_SB1
523 select SYS_SUPPORTS_BIG_ENDIAN
524 select SYS_SUPPORTS_HIGHMEM
525 select SYS_SUPPORTS_KGDB
526 select SYS_SUPPORTS_LITTLE_ENDIAN
527 select ZONE_DMA32 if 64BIT
529 config SIBYTE_LITTLESUR
530 bool "Sibyte BCM91250C2-LittleSur"
531 depends on EXPERIMENTAL
532 select BOOT_ELF32
533 select DMA_COHERENT
534 select NR_CPUS_DEFAULT_2
535 select SIBYTE_SB1250
536 select SWAP_IO_SPACE
537 select SYS_HAS_CPU_SB1
538 select SYS_SUPPORTS_BIG_ENDIAN
539 select SYS_SUPPORTS_HIGHMEM
540 select SYS_SUPPORTS_LITTLE_ENDIAN
542 config SIBYTE_SENTOSA
543 bool "Sibyte BCM91250E-Sentosa"
544 depends on EXPERIMENTAL
545 select BOOT_ELF32
546 select DMA_COHERENT
547 select NR_CPUS_DEFAULT_2
548 select SIBYTE_SB1250
549 select SWAP_IO_SPACE
550 select SYS_HAS_CPU_SB1
551 select SYS_SUPPORTS_BIG_ENDIAN
552 select SYS_SUPPORTS_LITTLE_ENDIAN
554 config SIBYTE_BIGSUR
555 bool "Sibyte BCM91480B-BigSur"
556 select BOOT_ELF32
557 select DMA_COHERENT
558 select NR_CPUS_DEFAULT_4
559 select SIBYTE_BCM1x80
560 select SWAP_IO_SPACE
561 select SYS_HAS_CPU_SB1
562 select SYS_SUPPORTS_BIG_ENDIAN
563 select SYS_SUPPORTS_HIGHMEM
564 select SYS_SUPPORTS_LITTLE_ENDIAN
565 select ZONE_DMA32 if 64BIT
567 config SNI_RM
568 bool "SNI RM200/300/400"
569 select ARC if CPU_LITTLE_ENDIAN
570 select ARC32 if CPU_LITTLE_ENDIAN
571 select SNIPROM if CPU_BIG_ENDIAN
572 select ARCH_MAY_HAVE_PC_FDC
573 select BOOT_ELF32
574 select CEVT_R4K
575 select CSRC_R4K
576 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
577 select DMA_NONCOHERENT
578 select GENERIC_ISA_DMA
579 select HW_HAS_EISA
580 select HW_HAS_PCI
581 select IRQ_CPU
582 select I8253
583 select I8259
584 select ISA
585 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
586 select SYS_HAS_CPU_R4X00
587 select SYS_HAS_CPU_R5000
588 select SYS_HAS_CPU_R10000
589 select R5000_CPU_SCACHE
590 select SYS_HAS_EARLY_PRINTK
591 select SYS_SUPPORTS_32BIT_KERNEL
592 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
593 select SYS_SUPPORTS_BIG_ENDIAN
594 select SYS_SUPPORTS_HIGHMEM
595 select SYS_SUPPORTS_LITTLE_ENDIAN
596 help
597 The SNI RM200/300/400 are MIPS-based machines manufactured by
598 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
599 Technology and now in turn merged with Fujitsu. Say Y here to
600 support this machine type.
602 config TOSHIBA_JMR3927
603 bool "Toshiba JMR-TX3927 board"
604 select CEVT_TXX9
605 select DMA_NONCOHERENT
606 select HW_HAS_PCI
607 select MIPS_TX3927
608 select IRQ_TXX9
609 select SWAP_IO_SPACE
610 select SYS_HAS_CPU_TX39XX
611 select SYS_SUPPORTS_32BIT_KERNEL
612 select SYS_SUPPORTS_LITTLE_ENDIAN
613 select SYS_SUPPORTS_BIG_ENDIAN
614 select GENERIC_HARDIRQS_NO__DO_IRQ
616 config TOSHIBA_RBTX4927
617 bool "Toshiba RBTX49[23]7 board"
618 select CEVT_R4K
619 select CSRC_R4K
620 select CEVT_TXX9
621 select DMA_NONCOHERENT
622 select HAS_TXX9_SERIAL
623 select HW_HAS_PCI
624 select IRQ_CPU
625 select IRQ_TXX9
626 select I8259 if TOSHIBA_FPCIB0
627 select SWAP_IO_SPACE
628 select SYS_HAS_CPU_TX49XX
629 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL
631 select SYS_SUPPORTS_LITTLE_ENDIAN
632 select SYS_SUPPORTS_BIG_ENDIAN
633 select SYS_SUPPORTS_KGDB
634 select GENERIC_HARDIRQS_NO__DO_IRQ
635 help
636 This Toshiba board is based on the TX4927 processor. Say Y here to
637 support this machine type
639 config TOSHIBA_RBTX4938
640 bool "Toshiba RBTX4938 board"
641 select CEVT_R4K
642 select CSRC_R4K
643 select CEVT_TXX9
644 select DMA_NONCOHERENT
645 select HAS_TXX9_SERIAL
646 select HW_HAS_PCI
647 select IRQ_CPU
648 select IRQ_TXX9
649 select SWAP_IO_SPACE
650 select SYS_HAS_CPU_TX49XX
651 select SYS_SUPPORTS_32BIT_KERNEL
652 select SYS_SUPPORTS_LITTLE_ENDIAN
653 select SYS_SUPPORTS_BIG_ENDIAN
654 select SYS_SUPPORTS_KGDB
655 select GENERIC_HARDIRQS_NO__DO_IRQ
656 select GENERIC_GPIO
657 help
658 This Toshiba board is based on the TX4938 processor. Say Y here to
659 support this machine type
661 config WR_PPMC
662 bool "Wind River PPMC board"
663 select CEVT_R4K
664 select CSRC_R4K
665 select IRQ_CPU
666 select BOOT_ELF32
667 select DMA_NONCOHERENT
668 select HW_HAS_PCI
669 select PCI_GT64XXX_PCI0
670 select SWAP_IO_SPACE
671 select SYS_HAS_CPU_MIPS32_R1
672 select SYS_HAS_CPU_MIPS32_R2
673 select SYS_HAS_CPU_MIPS64_R1
674 select SYS_HAS_CPU_NEVADA
675 select SYS_HAS_CPU_RM7000
676 select SYS_SUPPORTS_32BIT_KERNEL
677 select SYS_SUPPORTS_64BIT_KERNEL
678 select SYS_SUPPORTS_BIG_ENDIAN
679 select SYS_SUPPORTS_LITTLE_ENDIAN
680 help
681 This enables support for the Wind River MIPS32 4KC PPMC evaluation
682 board, which is based on GT64120 bridge chip.
684 endchoice
686 source "arch/mips/au1000/Kconfig"
687 source "arch/mips/basler/excite/Kconfig"
688 source "arch/mips/jazz/Kconfig"
689 source "arch/mips/lasat/Kconfig"
690 source "arch/mips/pmc-sierra/Kconfig"
691 source "arch/mips/sgi-ip27/Kconfig"
692 source "arch/mips/sibyte/Kconfig"
693 source "arch/mips/tx4927/Kconfig"
694 source "arch/mips/tx4938/Kconfig"
695 source "arch/mips/vr41xx/Kconfig"
697 endmenu
699 config GENERIC_LOCKBREAK
700 bool
701 default y
702 depends on SMP && PREEMPT
704 config RWSEM_GENERIC_SPINLOCK
705 bool
706 default y
708 config RWSEM_XCHGADD_ALGORITHM
709 bool
711 config ARCH_HAS_ILOG2_U32
712 bool
713 default n
715 config ARCH_HAS_ILOG2_U64
716 bool
717 default n
719 config ARCH_SUPPORTS_OPROFILE
720 bool
721 default y if !MIPS_MT_SMTC
723 config GENERIC_FIND_NEXT_BIT
724 bool
725 default y
727 config GENERIC_HWEIGHT
728 bool
729 default y
731 config GENERIC_CALIBRATE_DELAY
732 bool
733 default y
735 config GENERIC_CLOCKEVENTS
736 bool
737 default y
739 config GENERIC_TIME
740 bool
741 default y
743 config GENERIC_CMOS_UPDATE
744 bool
745 default y
747 config SCHED_NO_NO_OMIT_FRAME_POINTER
748 bool
749 default y
751 config GENERIC_HARDIRQS_NO__DO_IRQ
752 bool
753 default n
755 #
756 # Select some configuration options automatically based on user selections.
757 #
758 config ARC
759 bool
761 config ARCH_MAY_HAVE_PC_FDC
762 bool
764 config BOOT_RAW
765 bool
767 config CEVT_BCM1480
768 bool
770 config CEVT_GT641XX
771 bool
773 config CEVT_R4K
774 bool
776 config CEVT_SB1250
777 bool
779 config CEVT_TXX9
780 bool
782 config CSRC_BCM1480
783 bool
785 config CSRC_R4K
786 bool
788 config CSRC_SB1250
789 bool
791 config CFE
792 bool
794 config DMA_COHERENT
795 bool
797 config DMA_IP27
798 bool
800 config DMA_NONCOHERENT
801 bool
802 select DMA_NEED_PCI_MAP_STATE
804 config DMA_NEED_PCI_MAP_STATE
805 bool
807 config EARLY_PRINTK
808 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
809 depends on SYS_HAS_EARLY_PRINTK
810 default y
811 help
812 This option enables special console drivers which allow the kernel
813 to print messages very early in the bootup process.
815 This is useful for kernel debugging when your machine crashes very
816 early before the console code is initialized. For normal operation,
817 it is not recommended because it looks ugly on some machines and
818 doesn't cooperate with an X server. You should normally say N here,
819 unless you want to debug such a crash.
821 config SYS_HAS_EARLY_PRINTK
822 bool
824 config HOTPLUG_CPU
825 bool
826 default n
828 config I8259
829 bool
831 config MIPS_BONITO64
832 bool
834 config MIPS_MSC
835 bool
837 config MIPS_NILE4
838 bool
840 config MIPS_DISABLE_OBSOLETE_IDE
841 bool
843 config NO_IOPORT
844 def_bool n
846 config GENERIC_ISA_DMA
847 bool
848 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
850 config GENERIC_ISA_DMA_SUPPORT_BROKEN
851 bool
852 select GENERIC_ISA_DMA
854 config GENERIC_GPIO
855 bool
857 #
858 # Endianess selection. Sufficiently obscure so many users don't know what to
859 # answer,so we try hard to limit the available choices. Also the use of a
860 # choice statement should be more obvious to the user.
861 #
862 choice
863 prompt "Endianess selection"
864 help
865 Some MIPS machines can be configured for either little or big endian
866 byte order. These modes require different kernels and a different
867 Linux distribution. In general there is one preferred byteorder for a
868 particular system but some systems are just as commonly used in the
869 one or the other endianness.
871 config CPU_BIG_ENDIAN
872 bool "Big endian"
873 depends on SYS_SUPPORTS_BIG_ENDIAN
875 config CPU_LITTLE_ENDIAN
876 bool "Little endian"
877 depends on SYS_SUPPORTS_LITTLE_ENDIAN
878 help
880 endchoice
882 config SYS_SUPPORTS_APM_EMULATION
883 bool
885 config SYS_SUPPORTS_BIG_ENDIAN
886 bool
888 config SYS_SUPPORTS_LITTLE_ENDIAN
889 bool
891 config IRQ_CPU
892 bool
894 config IRQ_CPU_RM7K
895 bool
897 config IRQ_CPU_RM9K
898 bool
900 config IRQ_MSP_SLP
901 bool
903 config IRQ_MSP_CIC
904 bool
906 config IRQ_TXX9
907 bool
909 config IRQ_GT641XX
910 bool
912 config MIPS_BOARDS_GEN
913 bool
915 config PCI_GT64XXX_PCI0
916 bool
918 config NO_EXCEPT_FILL
919 bool
921 config MIPS_TX3927
922 bool
923 select HAS_TXX9_SERIAL
925 config MIPS_RM9122
926 bool
927 select SERIAL_RM9000
929 config PNX8550
930 bool
931 select SOC_PNX8550
933 config SOC_PNX8550
934 bool
935 select DMA_NONCOHERENT
936 select HW_HAS_PCI
937 select SYS_HAS_CPU_MIPS32_R1
938 select SYS_HAS_EARLY_PRINTK
939 select SYS_SUPPORTS_32BIT_KERNEL
940 select GENERIC_HARDIRQS_NO__DO_IRQ
941 select SYS_SUPPORTS_KGDB
942 select GENERIC_GPIO
944 config SWAP_IO_SPACE
945 bool
947 config EMMA2RH
948 bool
949 depends on MARKEINS
950 default y
952 config SERIAL_RM9000
953 bool
955 config SGI_HAS_DS1286
956 bool
958 config SGI_HAS_INDYDOG
959 bool
961 config SGI_HAS_SEEQ
962 bool
964 config SGI_HAS_WD93
965 bool
967 config SGI_HAS_ZILOG
968 bool
970 config SGI_HAS_I8042
971 bool
973 config DEFAULT_SGI_PARTITION
974 bool
976 config ARC32
977 bool
979 config SNIPROM
980 bool
982 config BOOT_ELF32
983 bool
985 config MIPS_L1_CACHE_SHIFT
986 int
987 default "4" if MACH_DECSTATION
988 default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
989 default "4" if PMC_MSP4200_EVAL
990 default "5"
992 config HAVE_STD_PC_SERIAL_PORT
993 bool
995 config ARC_CONSOLE
996 bool "ARC console support"
997 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
999 config ARC_MEMORY
1000 bool
1001 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1002 default y
1004 config ARC_PROMLIB
1005 bool
1006 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1007 default y
1009 config ARC64
1010 bool
1012 config BOOT_ELF64
1013 bool
1015 menu "CPU selection"
1017 choice
1018 prompt "CPU type"
1019 default CPU_R4X00
1021 config CPU_LOONGSON2
1022 bool "Loongson 2"
1023 depends on SYS_HAS_CPU_LOONGSON2
1024 select CPU_SUPPORTS_32BIT_KERNEL
1025 select CPU_SUPPORTS_64BIT_KERNEL
1026 select CPU_SUPPORTS_HIGHMEM
1027 help
1028 The Loongson 2E processor implements the MIPS III instruction set
1029 with many extensions.
1031 config CPU_MIPS32_R1
1032 bool "MIPS32 Release 1"
1033 depends on SYS_HAS_CPU_MIPS32_R1
1034 select CPU_HAS_LLSC
1035 select CPU_HAS_PREFETCH
1036 select CPU_SUPPORTS_32BIT_KERNEL
1037 select CPU_SUPPORTS_HIGHMEM
1038 help
1039 Choose this option to build a kernel for release 1 or later of the
1040 MIPS32 architecture. Most modern embedded systems with a 32-bit
1041 MIPS processor are based on a MIPS32 processor. If you know the
1042 specific type of processor in your system, choose those that one
1043 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1044 Release 2 of the MIPS32 architecture is available since several
1045 years so chances are you even have a MIPS32 Release 2 processor
1046 in which case you should choose CPU_MIPS32_R2 instead for better
1047 performance.
1049 config CPU_MIPS32_R2
1050 bool "MIPS32 Release 2"
1051 depends on SYS_HAS_CPU_MIPS32_R2
1052 select CPU_HAS_LLSC
1053 select CPU_HAS_PREFETCH
1054 select CPU_SUPPORTS_32BIT_KERNEL
1055 select CPU_SUPPORTS_HIGHMEM
1056 help
1057 Choose this option to build a kernel for release 2 or later of the
1058 MIPS32 architecture. Most modern embedded systems with a 32-bit
1059 MIPS processor are based on a MIPS32 processor. If you know the
1060 specific type of processor in your system, choose those that one
1061 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1063 config CPU_MIPS64_R1
1064 bool "MIPS64 Release 1"
1065 depends on SYS_HAS_CPU_MIPS64_R1
1066 select CPU_HAS_LLSC
1067 select CPU_HAS_PREFETCH
1068 select CPU_SUPPORTS_32BIT_KERNEL
1069 select CPU_SUPPORTS_64BIT_KERNEL
1070 select CPU_SUPPORTS_HIGHMEM
1071 help
1072 Choose this option to build a kernel for release 1 or later of the
1073 MIPS64 architecture. Many modern embedded systems with a 64-bit
1074 MIPS processor are based on a MIPS64 processor. If you know the
1075 specific type of processor in your system, choose those that one
1076 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1077 Release 2 of the MIPS64 architecture is available since several
1078 years so chances are you even have a MIPS64 Release 2 processor
1079 in which case you should choose CPU_MIPS64_R2 instead for better
1080 performance.
1082 config CPU_MIPS64_R2
1083 bool "MIPS64 Release 2"
1084 depends on SYS_HAS_CPU_MIPS64_R2
1085 select CPU_HAS_LLSC
1086 select CPU_HAS_PREFETCH
1087 select CPU_SUPPORTS_32BIT_KERNEL
1088 select CPU_SUPPORTS_64BIT_KERNEL
1089 select CPU_SUPPORTS_HIGHMEM
1090 help
1091 Choose this option to build a kernel for release 2 or later of the
1092 MIPS64 architecture. Many modern embedded systems with a 64-bit
1093 MIPS processor are based on a MIPS64 processor. If you know the
1094 specific type of processor in your system, choose those that one
1095 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1097 config CPU_R3000
1098 bool "R3000"
1099 depends on SYS_HAS_CPU_R3000
1100 select CPU_HAS_WB
1101 select CPU_SUPPORTS_32BIT_KERNEL
1102 select CPU_SUPPORTS_HIGHMEM
1103 help
1104 Please make sure to pick the right CPU type. Linux/MIPS is not
1105 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1106 *not* work on R4000 machines and vice versa. However, since most
1107 of the supported machines have an R4000 (or similar) CPU, R4x00
1108 might be a safe bet. If the resulting kernel does not work,
1109 try to recompile with R3000.
1111 config CPU_TX39XX
1112 bool "R39XX"
1113 depends on SYS_HAS_CPU_TX39XX
1114 select CPU_SUPPORTS_32BIT_KERNEL
1116 config CPU_VR41XX
1117 bool "R41xx"
1118 depends on SYS_HAS_CPU_VR41XX
1119 select CPU_SUPPORTS_32BIT_KERNEL
1120 select CPU_SUPPORTS_64BIT_KERNEL
1121 help
1122 The options selects support for the NEC VR4100 series of processors.
1123 Only choose this option if you have one of these processors as a
1124 kernel built with this option will not run on any other type of
1125 processor or vice versa.
1127 config CPU_R4300
1128 bool "R4300"
1129 depends on SYS_HAS_CPU_R4300
1130 select CPU_HAS_LLSC
1131 select CPU_SUPPORTS_32BIT_KERNEL
1132 select CPU_SUPPORTS_64BIT_KERNEL
1133 help
1134 MIPS Technologies R4300-series processors.
1136 config CPU_R4X00
1137 bool "R4x00"
1138 depends on SYS_HAS_CPU_R4X00
1139 select CPU_HAS_LLSC
1140 select CPU_SUPPORTS_32BIT_KERNEL
1141 select CPU_SUPPORTS_64BIT_KERNEL
1142 help
1143 MIPS Technologies R4000-series processors other than 4300, including
1144 the R4000, R4400, R4600, and 4700.
1146 config CPU_TX49XX
1147 bool "R49XX"
1148 depends on SYS_HAS_CPU_TX49XX
1149 select CPU_HAS_LLSC
1150 select CPU_HAS_PREFETCH
1151 select CPU_SUPPORTS_32BIT_KERNEL
1152 select CPU_SUPPORTS_64BIT_KERNEL
1154 config CPU_R5000
1155 bool "R5000"
1156 depends on SYS_HAS_CPU_R5000
1157 select CPU_HAS_LLSC
1158 select CPU_SUPPORTS_32BIT_KERNEL
1159 select CPU_SUPPORTS_64BIT_KERNEL
1160 help
1161 MIPS Technologies R5000-series processors other than the Nevada.
1163 config CPU_R5432
1164 bool "R5432"
1165 depends on SYS_HAS_CPU_R5432
1166 select CPU_HAS_LLSC
1167 select CPU_SUPPORTS_32BIT_KERNEL
1168 select CPU_SUPPORTS_64BIT_KERNEL
1170 config CPU_R6000
1171 bool "R6000"
1172 depends on EXPERIMENTAL
1173 select CPU_HAS_LLSC
1174 depends on SYS_HAS_CPU_R6000
1175 select CPU_SUPPORTS_32BIT_KERNEL
1176 help
1177 MIPS Technologies R6000 and R6000A series processors. Note these
1178 processors are extremely rare and the support for them is incomplete.
1180 config CPU_NEVADA
1181 bool "RM52xx"
1182 depends on SYS_HAS_CPU_NEVADA
1183 select CPU_HAS_LLSC
1184 select CPU_SUPPORTS_32BIT_KERNEL
1185 select CPU_SUPPORTS_64BIT_KERNEL
1186 help
1187 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1189 config CPU_R8000
1190 bool "R8000"
1191 depends on EXPERIMENTAL
1192 depends on SYS_HAS_CPU_R8000
1193 select CPU_HAS_LLSC
1194 select CPU_HAS_PREFETCH
1195 select CPU_SUPPORTS_64BIT_KERNEL
1196 help
1197 MIPS Technologies R8000 processors. Note these processors are
1198 uncommon and the support for them is incomplete.
1200 config CPU_R10000
1201 bool "R10000"
1202 depends on SYS_HAS_CPU_R10000
1203 select CPU_HAS_LLSC
1204 select CPU_HAS_PREFETCH
1205 select CPU_SUPPORTS_32BIT_KERNEL
1206 select CPU_SUPPORTS_64BIT_KERNEL
1207 select CPU_SUPPORTS_HIGHMEM
1208 help
1209 MIPS Technologies R10000-series processors.
1211 config CPU_RM7000
1212 bool "RM7000"
1213 depends on SYS_HAS_CPU_RM7000
1214 select CPU_HAS_LLSC
1215 select CPU_HAS_PREFETCH
1216 select CPU_SUPPORTS_32BIT_KERNEL
1217 select CPU_SUPPORTS_64BIT_KERNEL
1218 select CPU_SUPPORTS_HIGHMEM
1220 config CPU_RM9000
1221 bool "RM9000"
1222 depends on SYS_HAS_CPU_RM9000
1223 select CPU_HAS_LLSC
1224 select CPU_HAS_PREFETCH
1225 select CPU_SUPPORTS_32BIT_KERNEL
1226 select CPU_SUPPORTS_64BIT_KERNEL
1227 select CPU_SUPPORTS_HIGHMEM
1228 select WEAK_ORDERING
1230 config CPU_SB1
1231 bool "SB1"
1232 depends on SYS_HAS_CPU_SB1
1233 select CPU_HAS_LLSC
1234 select CPU_SUPPORTS_32BIT_KERNEL
1235 select CPU_SUPPORTS_64BIT_KERNEL
1236 select CPU_SUPPORTS_HIGHMEM
1237 select WEAK_ORDERING
1239 endchoice
1241 config SYS_HAS_CPU_LOONGSON2
1242 bool
1244 config SYS_HAS_CPU_MIPS32_R1
1245 bool
1247 config SYS_HAS_CPU_MIPS32_R2
1248 bool
1250 config SYS_HAS_CPU_MIPS64_R1
1251 bool
1253 config SYS_HAS_CPU_MIPS64_R2
1254 bool
1256 config SYS_HAS_CPU_R3000
1257 bool
1259 config SYS_HAS_CPU_TX39XX
1260 bool
1262 config SYS_HAS_CPU_VR41XX
1263 bool
1265 config SYS_HAS_CPU_R4300
1266 bool
1268 config SYS_HAS_CPU_R4X00
1269 bool
1271 config SYS_HAS_CPU_TX49XX
1272 bool
1274 config SYS_HAS_CPU_R5000
1275 bool
1277 config SYS_HAS_CPU_R5432
1278 bool
1280 config SYS_HAS_CPU_R6000
1281 bool
1283 config SYS_HAS_CPU_NEVADA
1284 bool
1286 config SYS_HAS_CPU_R8000
1287 bool
1289 config SYS_HAS_CPU_R10000
1290 bool
1292 config SYS_HAS_CPU_RM7000
1293 bool
1295 config SYS_HAS_CPU_RM9000
1296 bool
1298 config SYS_HAS_CPU_SB1
1299 bool
1301 #
1302 # CPU may reorder R->R, R->W, W->R, W->W
1303 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1304 #
1305 config WEAK_ORDERING
1306 bool
1308 #
1309 # CPU may reorder reads and writes beyond LL/SC
1310 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1311 #
1312 config WEAK_REORDERING_BEYOND_LLSC
1313 bool
1314 endmenu
1316 #
1317 # These two indicate any level of the MIPS32 and MIPS64 architecture
1318 #
1319 config CPU_MIPS32
1320 bool
1321 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1323 config CPU_MIPS64
1324 bool
1325 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1327 #
1328 # These two indicate the revision of the architecture, either Release 1 or Release 2
1329 #
1330 config CPU_MIPSR1
1331 bool
1332 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1334 config CPU_MIPSR2
1335 bool
1336 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1338 config SYS_SUPPORTS_32BIT_KERNEL
1339 bool
1340 config SYS_SUPPORTS_64BIT_KERNEL
1341 bool
1342 config CPU_SUPPORTS_32BIT_KERNEL
1343 bool
1344 config CPU_SUPPORTS_64BIT_KERNEL
1345 bool
1347 menu "Kernel type"
1349 choice
1351 prompt "Kernel code model"
1352 help
1353 You should only select this option if you have a workload that
1354 actually benefits from 64-bit processing or if your machine has
1355 large memory. You will only be presented a single option in this
1356 menu if your system does not support both 32-bit and 64-bit kernels.
1358 config 32BIT
1359 bool "32-bit kernel"
1360 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1361 select TRAD_SIGNALS
1362 help
1363 Select this option if you want to build a 32-bit kernel.
1364 config 64BIT
1365 bool "64-bit kernel"
1366 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1367 help
1368 Select this option if you want to build a 64-bit kernel.
1370 endchoice
1372 choice
1373 prompt "Kernel page size"
1374 default PAGE_SIZE_4KB
1376 config PAGE_SIZE_4KB
1377 bool "4kB"
1378 help
1379 This option select the standard 4kB Linux page size. On some
1380 R3000-family processors this is the only available page size. Using
1381 4kB page size will minimize memory consumption and is therefore
1382 recommended for low memory systems.
1384 config PAGE_SIZE_8KB
1385 bool "8kB"
1386 depends on EXPERIMENTAL && CPU_R8000
1387 help
1388 Using 8kB page size will result in higher performance kernel at
1389 the price of higher memory consumption. This option is available
1390 only on the R8000 processor. Not that at the time of this writing
1391 this option is still high experimental; there are also issues with
1392 compatibility of user applications.
1394 config PAGE_SIZE_16KB
1395 bool "16kB"
1396 depends on !CPU_R3000 && !CPU_TX39XX
1397 help
1398 Using 16kB page size will result in higher performance kernel at
1399 the price of higher memory consumption. This option is available on
1400 all non-R3000 family processors. Note that you will need a suitable
1401 Linux distribution to support this.
1403 config PAGE_SIZE_64KB
1404 bool "64kB"
1405 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1406 help
1407 Using 64kB page size will result in higher performance kernel at
1408 the price of higher memory consumption. This option is available on
1409 all non-R3000 family processor. Not that at the time of this
1410 writing this option is still high experimental.
1412 endchoice
1414 config BOARD_SCACHE
1415 bool
1417 config IP22_CPU_SCACHE
1418 bool
1419 select BOARD_SCACHE
1421 #
1422 # Support for a MIPS32 / MIPS64 style S-caches
1423 #
1424 config MIPS_CPU_SCACHE
1425 bool
1426 select BOARD_SCACHE
1428 config R5000_CPU_SCACHE
1429 bool
1430 select BOARD_SCACHE
1432 config RM7000_CPU_SCACHE
1433 bool
1434 select BOARD_SCACHE
1436 config SIBYTE_DMA_PAGEOPS
1437 bool "Use DMA to clear/copy pages"
1438 depends on CPU_SB1
1439 help
1440 Instead of using the CPU to zero and copy pages, use a Data Mover
1441 channel. These DMA channels are otherwise unused by the standard
1442 SiByte Linux port. Seems to give a small performance benefit.
1444 config CPU_HAS_PREFETCH
1445 bool
1447 choice
1448 prompt "MIPS MT options"
1450 config MIPS_MT_DISABLED
1451 bool "Disable multithreading support."
1452 help
1453 Use this option if your workload can't take advantage of
1454 MIPS hardware multithreading support. On systems that don't have
1455 the option of an MT-enabled processor this option will be the only
1456 option in this menu.
1458 config MIPS_MT_SMP
1459 bool "Use 1 TC on each available VPE for SMP"
1460 depends on SYS_SUPPORTS_MULTITHREADING
1461 select CPU_MIPSR2_IRQ_VI
1462 select CPU_MIPSR2_IRQ_EI
1463 select MIPS_MT
1464 select NR_CPUS_DEFAULT_2
1465 select SMP
1466 select SYS_SUPPORTS_SCHED_SMT if SMP
1467 select SYS_SUPPORTS_SMP
1468 select SMP_UP
1469 help
1470 This is a kernel model which is also known a VSMP or lately
1471 has been marketesed into SMVP.
1473 config MIPS_MT_SMTC
1474 bool "SMTC: Use all TCs on all VPEs for SMP"
1475 depends on CPU_MIPS32_R2
1476 #depends on CPU_MIPS64_R2 # once there is hardware ...
1477 depends on SYS_SUPPORTS_MULTITHREADING
1478 select GENERIC_CLOCKEVENTS_BROADCAST
1479 select CPU_MIPSR2_IRQ_VI
1480 select CPU_MIPSR2_IRQ_EI
1481 select MIPS_MT
1482 select NR_CPUS_DEFAULT_8
1483 select SMP
1484 select SYS_SUPPORTS_SMP
1485 select SMP_UP
1486 help
1487 This is a kernel model which is known a SMTC or lately has been
1488 marketesed into SMVP.
1490 endchoice
1492 config MIPS_MT
1493 bool
1495 config SCHED_SMT
1496 bool "SMT (multithreading) scheduler support"
1497 depends on SYS_SUPPORTS_SCHED_SMT
1498 default n
1499 help
1500 SMT scheduler support improves the CPU scheduler's decision making
1501 when dealing with MIPS MT enabled cores at a cost of slightly
1502 increased overhead in some places. If unsure say N here.
1504 config SYS_SUPPORTS_SCHED_SMT
1505 bool
1508 config SYS_SUPPORTS_MULTITHREADING
1509 bool
1511 config MIPS_MT_FPAFF
1512 bool "Dynamic FPU affinity for FP-intensive threads"
1513 default y
1514 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1516 config MIPS_VPE_LOADER
1517 bool "VPE loader support."
1518 depends on SYS_SUPPORTS_MULTITHREADING
1519 select CPU_MIPSR2_IRQ_VI
1520 select CPU_MIPSR2_IRQ_EI
1521 select MIPS_MT
1522 help
1523 Includes a loader for loading an elf relocatable object
1524 onto another VPE and running it.
1526 config MIPS_MT_SMTC_INSTANT_REPLAY
1527 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1528 depends on MIPS_MT_SMTC && !PREEMPT
1529 default y
1530 help
1531 SMTC pseudo-interrupts between TCs are deferred and queued
1532 if the target TC is interrupt-inhibited (IXMT). In the first
1533 SMTC prototypes, these queued IPIs were serviced on return
1534 to user mode, or on entry into the kernel idle loop. The
1535 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1536 processing, which adds runtime overhead (hence the option to turn
1537 it off), but ensures that IPIs are handled promptly even under
1538 heavy I/O interrupt load.
1540 config MIPS_MT_SMTC_IM_BACKSTOP
1541 bool "Use per-TC register bits as backstop for inhibited IM bits"
1542 depends on MIPS_MT_SMTC
1543 default y
1544 help
1545 To support multiple TC microthreads acting as "CPUs" within
1546 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1547 during interrupt handling. To support legacy drivers and interrupt
1548 controller management code, SMTC has a "backstop" to track and
1549 if necessary restore the interrupt mask. This has some performance
1550 impact on interrupt service overhead. Disable it only if you know
1551 what you are doing.
1553 config MIPS_MT_SMTC_IRQAFF
1554 bool "Support IRQ affinity API"
1555 depends on MIPS_MT_SMTC
1556 default n
1557 help
1558 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1559 for SMTC Linux kernel. Requires platform support, of which
1560 an example can be found in the MIPS kernel i8259 and Malta
1561 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1562 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1563 interrupt dispatch, and should be used only if you know what
1564 you are doing.
1566 config MIPS_VPE_LOADER_TOM
1567 bool "Load VPE program into memory hidden from linux"
1568 depends on MIPS_VPE_LOADER
1569 default y
1570 help
1571 The loader can use memory that is present but has been hidden from
1572 Linux using the kernel command line option "mem=xxMB". It's up to
1573 you to ensure the amount you put in the option and the space your
1574 program requires is less or equal to the amount physically present.
1576 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1577 config MIPS_VPE_APSP_API
1578 bool "Enable support for AP/SP API (RTLX)"
1579 depends on MIPS_VPE_LOADER
1580 help
1582 config MIPS_APSP_KSPD
1583 bool "Enable KSPD"
1584 depends on MIPS_VPE_APSP_API
1585 default y
1586 help
1587 KSPD is a kernel daemon that accepts syscall requests from the SP
1588 side, actions them and returns the results. It also handles the
1589 "exit" syscall notifying other kernel modules the SP program is
1590 exiting. You probably want to say yes here.
1592 config SB1_PASS_1_WORKAROUNDS
1593 bool
1594 depends on CPU_SB1_PASS_1
1595 default y
1597 config SB1_PASS_2_WORKAROUNDS
1598 bool
1599 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1600 default y
1602 config SB1_PASS_2_1_WORKAROUNDS
1603 bool
1604 depends on CPU_SB1 && CPU_SB1_PASS_2
1605 default y
1607 config 64BIT_PHYS_ADDR
1608 bool
1610 config CPU_HAS_LLSC
1611 bool
1613 config CPU_HAS_SMARTMIPS
1614 depends on SYS_SUPPORTS_SMARTMIPS
1615 bool "Support for the SmartMIPS ASE"
1616 help
1617 SmartMIPS is a extension of the MIPS32 architecture aimed at
1618 increased security at both hardware and software level for
1619 smartcards. Enabling this option will allow proper use of the
1620 SmartMIPS instructions by Linux applications. However a kernel with
1621 this option will not work on a MIPS core without SmartMIPS core. If
1622 you don't know you probably don't have SmartMIPS and should say N
1623 here.
1625 config CPU_HAS_WB
1626 bool
1628 #
1629 # Vectored interrupt mode is an R2 feature
1630 #
1631 config CPU_MIPSR2_IRQ_VI
1632 bool
1634 #
1635 # Extended interrupt mode is an R2 feature
1636 #
1637 config CPU_MIPSR2_IRQ_EI
1638 bool
1640 config CPU_HAS_SYNC
1641 bool
1642 depends on !CPU_R3000
1643 default y
1645 config GENERIC_CLOCKEVENTS_BROADCAST
1646 bool
1648 #
1649 # CPU non-features
1650 #
1651 config CPU_DADDI_WORKAROUNDS
1652 bool
1654 config CPU_R4000_WORKAROUNDS
1655 bool
1656 select CPU_R4400_WORKAROUNDS
1658 config CPU_R4400_WORKAROUNDS
1659 bool
1661 #
1662 # Use the generic interrupt handling code in kernel/irq/:
1663 #
1664 config GENERIC_HARDIRQS
1665 bool
1666 default y
1668 config GENERIC_IRQ_PROBE
1669 bool
1670 default y
1672 config IRQ_PER_CPU
1673 bool
1675 #
1676 # - Highmem only makes sense for the 32-bit kernel.
1677 # - The current highmem code will only work properly on physically indexed
1678 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1679 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1680 # moment we protect the user and offer the highmem option only on machines
1681 # where it's known to be safe. This will not offer highmem on a few systems
1682 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1683 # indexed CPUs but we're playing safe.
1684 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1685 # know they might have memory configurations that could make use of highmem
1686 # support.
1687 #
1688 config HIGHMEM
1689 bool "High Memory Support"
1690 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1692 config CPU_SUPPORTS_HIGHMEM
1693 bool
1695 config SYS_SUPPORTS_HIGHMEM
1696 bool
1698 config SYS_SUPPORTS_SMARTMIPS
1699 bool
1701 config ARCH_FLATMEM_ENABLE
1702 def_bool y
1703 depends on !NUMA
1705 config ARCH_DISCONTIGMEM_ENABLE
1706 bool
1707 default y if SGI_IP27
1708 help
1709 Say Y to support efficient handling of discontiguous physical memory,
1710 for architectures which are either NUMA (Non-Uniform Memory Access)
1711 or have huge holes in the physical address space for other reasons.
1712 See <file:Documentation/vm/numa> for more.
1714 config ARCH_POPULATES_NODE_MAP
1715 def_bool y
1717 config ARCH_SPARSEMEM_ENABLE
1718 bool
1719 select SPARSEMEM_STATIC
1721 config NUMA
1722 bool "NUMA Support"
1723 depends on SYS_SUPPORTS_NUMA
1724 help
1725 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1726 Access). This option improves performance on systems with more
1727 than two nodes; on two node systems it is generally better to
1728 leave it disabled; on single node systems disable this option
1729 disabled.
1731 config SYS_SUPPORTS_NUMA
1732 bool
1734 config NODES_SHIFT
1735 int
1736 default "6"
1737 depends on NEED_MULTIPLE_NODES
1739 source "mm/Kconfig"
1741 config SMP
1742 bool "Multi-Processing support"
1743 depends on SYS_SUPPORTS_SMP
1744 select IRQ_PER_CPU
1745 help
1746 This enables support for systems with more than one CPU. If you have
1747 a system with only one CPU, like most personal computers, say N. If
1748 you have a system with more than one CPU, say Y.
1750 If you say N here, the kernel will run on single and multiprocessor
1751 machines, but will use only one CPU of a multiprocessor machine. If
1752 you say Y here, the kernel will run on many, but not all,
1753 singleprocessor machines. On a singleprocessor machine, the kernel
1754 will run faster if you say N here.
1756 People using multiprocessor machines who say Y here should also say
1757 Y to "Enhanced Real Time Clock Support", below.
1759 See also the SMP-HOWTO available at
1760 <http://www.tldp.org/docs.html#howto>.
1762 If you don't know what to do here, say N.
1764 config SMP_UP
1765 bool
1767 config SYS_SUPPORTS_SMP
1768 bool
1770 config NR_CPUS_DEFAULT_1
1771 bool
1773 config NR_CPUS_DEFAULT_2
1774 bool
1776 config NR_CPUS_DEFAULT_4
1777 bool
1779 config NR_CPUS_DEFAULT_8
1780 bool
1782 config NR_CPUS_DEFAULT_16
1783 bool
1785 config NR_CPUS_DEFAULT_32
1786 bool
1788 config NR_CPUS_DEFAULT_64
1789 bool
1791 config NR_CPUS
1792 int "Maximum number of CPUs (2-64)"
1793 range 1 64 if NR_CPUS_DEFAULT_1
1794 depends on SMP
1795 default "1" if NR_CPUS_DEFAULT_1
1796 default "2" if NR_CPUS_DEFAULT_2
1797 default "4" if NR_CPUS_DEFAULT_4
1798 default "8" if NR_CPUS_DEFAULT_8
1799 default "16" if NR_CPUS_DEFAULT_16
1800 default "32" if NR_CPUS_DEFAULT_32
1801 default "64" if NR_CPUS_DEFAULT_64
1802 help
1803 This allows you to specify the maximum number of CPUs which this
1804 kernel will support. The maximum supported value is 32 for 32-bit
1805 kernel and 64 for 64-bit kernels; the minimum value which makes
1806 sense is 1 for Qemu (useful only for kernel debugging purposes)
1807 and 2 for all others.
1809 This is purely to save memory - each supported CPU adds
1810 approximately eight kilobytes to the kernel image. For best
1811 performance should round up your number of processors to the next
1812 power of two.
1814 source "kernel/time/Kconfig"
1816 #
1817 # Timer Interrupt Frequency Configuration
1818 #
1820 choice
1821 prompt "Timer frequency"
1822 default HZ_250
1823 help
1824 Allows the configuration of the timer frequency.
1826 config HZ_48
1827 <<<<<<< HEAD:arch/mips/Kconfig
1828 bool "48 HZ" if SYS_SUPPORTS_48HZ
1829 =======
1830 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1831 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/mips/Kconfig
1833 config HZ_100
1834 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1836 config HZ_128
1837 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1839 config HZ_250
1840 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1842 config HZ_256
1843 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1845 config HZ_1000
1846 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1848 config HZ_1024
1849 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1851 endchoice
1853 config SYS_SUPPORTS_48HZ
1854 bool
1856 config SYS_SUPPORTS_100HZ
1857 bool
1859 config SYS_SUPPORTS_128HZ
1860 bool
1862 config SYS_SUPPORTS_250HZ
1863 bool
1865 config SYS_SUPPORTS_256HZ
1866 bool
1868 config SYS_SUPPORTS_1000HZ
1869 bool
1871 config SYS_SUPPORTS_1024HZ
1872 bool
1874 config SYS_SUPPORTS_ARBIT_HZ
1875 bool
1876 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1877 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1878 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1879 !SYS_SUPPORTS_1024HZ
1881 config HZ
1882 int
1883 default 48 if HZ_48
1884 default 100 if HZ_100
1885 default 128 if HZ_128
1886 default 250 if HZ_250
1887 default 256 if HZ_256
1888 default 1000 if HZ_1000
1889 default 1024 if HZ_1024
1891 source "kernel/Kconfig.preempt"
1893 config MIPS_INSANE_LARGE
1894 bool "Support for large 64-bit configurations"
1895 depends on CPU_R10000 && 64BIT
1896 help
1897 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1898 previous 64-bit processors which only supported 40 bit / 1TB. If you
1899 need processes of more than 1TB virtual address space, say Y here.
1900 This will result in additional memory usage, so it is not
1901 recommended for normal users.
1903 config KEXEC
1904 bool "Kexec system call (EXPERIMENTAL)"
1905 depends on EXPERIMENTAL
1906 help
1907 kexec is a system call that implements the ability to shutdown your
1908 current kernel, and to start another kernel. It is like a reboot
1909 but it is independent of the system firmware. And like a reboot
1910 you can start any kernel with it, not just Linux.
1912 The name comes from the similarity to the exec system call.
1914 It is an ongoing process to be certain the hardware in a machine
1915 is properly shutdown, so do not be surprised if this code does not
1916 initially work for you. It may help to enable device hotplugging
1917 support. As of this writing the exact hardware interface is
1918 strongly in flux, so no good recommendation can be made.
1920 config SECCOMP
1921 bool "Enable seccomp to safely compute untrusted bytecode"
1922 depends on PROC_FS
1923 default y
1924 help
1925 This kernel feature is useful for number crunching applications
1926 that may need to compute untrusted bytecode during their
1927 execution. By using pipes or other transports made available to
1928 the process as file descriptors supporting the read/write
1929 syscalls, it's possible to isolate those applications in
1930 their own address space using seccomp. Once seccomp is
1931 enabled via /proc/<pid>/seccomp, it cannot be disabled
1932 and the task is only allowed to execute a few safe syscalls
1933 defined by each seccomp mode.
1935 If unsure, say Y. Only embedded should say N here.
1937 endmenu
1939 config RWSEM_GENERIC_SPINLOCK
1940 bool
1941 default y
1943 config LOCKDEP_SUPPORT
1944 bool
1945 default y
1947 config STACKTRACE_SUPPORT
1948 bool
1949 default y
1951 source "init/Kconfig"
1953 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1955 config HW_HAS_EISA
1956 bool
1957 config HW_HAS_PCI
1958 bool
1960 config PCI
1961 bool "Support for PCI controller"
1962 depends on HW_HAS_PCI
1963 select PCI_DOMAINS
1964 help
1965 Find out whether you have a PCI motherboard. PCI is the name of a
1966 bus system, i.e. the way the CPU talks to the other stuff inside
1967 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1968 say Y, otherwise N.
1970 config PCI_DOMAINS
1971 bool
1973 source "drivers/pci/Kconfig"
1975 #
1976 # ISA support is now enabled via select. Too many systems still have the one
1977 # or other ISA chip on the board that users don't know about so don't expect
1978 # users to choose the right thing ...
1979 #
1980 config ISA
1981 bool
1983 config EISA
1984 bool "EISA support"
1985 depends on HW_HAS_EISA
1986 select ISA
1987 select GENERIC_ISA_DMA
1988 ---help---
1989 The Extended Industry Standard Architecture (EISA) bus was
1990 developed as an open alternative to the IBM MicroChannel bus.
1992 The EISA bus provided some of the features of the IBM MicroChannel
1993 bus while maintaining backward compatibility with cards made for
1994 the older ISA bus. The EISA bus saw limited use between 1988 and
1995 1995 when it was made obsolete by the PCI bus.
1997 Say Y here if you are building a kernel for an EISA-based machine.
1999 Otherwise, say N.
2001 source "drivers/eisa/Kconfig"
2003 config TC
2004 bool "TURBOchannel support"
2005 depends on MACH_DECSTATION
2006 help
2007 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2008 processors. Documentation on writing device drivers for TurboChannel
2009 is available at:
2010 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2012 #config ACCESSBUS
2013 # bool "Access.Bus support"
2014 # depends on TC
2016 config MMU
2017 bool
2018 default y
2020 config I8253
2021 bool
2023 config ZONE_DMA32
2024 bool
2026 source "drivers/pcmcia/Kconfig"
2028 source "drivers/pci/hotplug/Kconfig"
2030 endmenu
2032 menu "Executable file formats"
2034 source "fs/Kconfig.binfmt"
2036 config TRAD_SIGNALS
2037 bool
2039 config BINFMT_IRIX
2040 bool "Include IRIX binary compatibility"
2041 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
2043 config MIPS32_COMPAT
2044 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2045 depends on 64BIT
2046 help
2047 Select this option if you want Linux/MIPS 32-bit binary
2048 compatibility. Since all software available for Linux/MIPS is
2049 currently 32-bit you should say Y here.
2051 config COMPAT
2052 bool
2053 depends on MIPS32_COMPAT
2054 default y
2056 config SYSVIPC_COMPAT
2057 bool
2058 depends on COMPAT && SYSVIPC
2059 default y
2061 config MIPS32_O32
2062 bool "Kernel support for o32 binaries"
2063 depends on MIPS32_COMPAT
2064 help
2065 Select this option if you want to run o32 binaries. These are pure
2066 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2067 existing binaries are in this format.
2069 If unsure, say Y.
2071 config MIPS32_N32
2072 bool "Kernel support for n32 binaries"
2073 depends on MIPS32_COMPAT
2074 help
2075 Select this option if you want to run n32 binaries. These are
2076 64-bit binaries using 32-bit quantities for addressing and certain
2077 data that would normally be 64-bit. They are used in special
2078 cases.
2080 If unsure, say N.
2082 config BINFMT_ELF32
2083 bool
2084 default y if MIPS32_O32 || MIPS32_N32
2086 endmenu
2088 menu "Power management options"
2090 config ARCH_SUSPEND_POSSIBLE
2091 def_bool y
2092 depends on !SMP
2094 source "kernel/power/Kconfig"
2096 endmenu
2098 source "net/Kconfig"
2100 source "drivers/Kconfig"
2102 source "fs/Kconfig"
2104 source "arch/mips/Kconfig.debug"
2106 source "security/Kconfig"
2108 source "crypto/Kconfig"
2110 source "lib/Kconfig"