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1 config MIPS
2 bool
3 default y
4 select HAVE_GENERIC_DMA_COHERENT
5 select HAVE_IDE
6 select HAVE_OPROFILE
7 select HAVE_IRQ_WORK
8 select HAVE_PERF_EVENTS
9 select PERF_USE_VMALLOC
10 select HAVE_ARCH_KGDB
11 select HAVE_FUNCTION_TRACER
12 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
13 select HAVE_DYNAMIC_FTRACE
14 select HAVE_FTRACE_MCOUNT_RECORD
15 select HAVE_C_RECORDMCOUNT
16 select HAVE_FUNCTION_GRAPH_TRACER
17 select HAVE_KPROBES
18 select HAVE_KRETPROBES
19 select RTC_LIB if !MACH_LOONGSON
20 select GENERIC_ATOMIC64 if !64BIT
21 select HAVE_DMA_ATTRS
22 select HAVE_DMA_API_DEBUG
23 select HAVE_GENERIC_HARDIRQS
24 select GENERIC_IRQ_PROBE
25 select GENERIC_IRQ_SHOW
26 select HAVE_ARCH_JUMP_LABEL
27 select IRQ_FORCED_THREADING
28
29 menu "Machine selection"
30
31 config ZONE_DMA
32 bool
33
34 choice
35 prompt "System type"
36 default SGI_IP22
37
38 config MIPS_ALCHEMY
39 bool "Alchemy processor based machines"
40 select 64BIT_PHYS_ADDR
41 select CEVT_R4K_LIB
42 select CSRC_R4K_LIB
43 select IRQ_CPU
44 select SYS_HAS_CPU_MIPS32_R1
45 select SYS_SUPPORTS_32BIT_KERNEL
46 select SYS_SUPPORTS_APM_EMULATION
47 select GENERIC_GPIO
48 select ARCH_WANT_OPTIONAL_GPIOLIB
49 select SYS_SUPPORTS_ZBOOT
50
51 config AR7
52 bool "Texas Instruments AR7"
53 select BOOT_ELF32
54 select DMA_NONCOHERENT
55 select CEVT_R4K
56 select CSRC_R4K
57 select IRQ_CPU
58 select NO_EXCEPT_FILL
59 select SWAP_IO_SPACE
60 select SYS_HAS_CPU_MIPS32_R1
61 select SYS_HAS_EARLY_PRINTK
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_LITTLE_ENDIAN
64 select SYS_SUPPORTS_ZBOOT_UART16550
65 select ARCH_REQUIRE_GPIOLIB
66 select GCD
67 select VLYNQ
68 help
69 Support for the Texas Instruments AR7 System-on-a-Chip
70 family: TNETD7100, 7200 and 7300.
71
72 config ATH79
73 bool "Atheros AR71XX/AR724X/AR913X based boards"
74 select ARCH_REQUIRE_GPIOLIB
75 select BOOT_RAW
76 select CEVT_R4K
77 select CSRC_R4K
78 select DMA_NONCOHERENT
79 select IRQ_CPU
80 select MIPS_MACHINE
81 select SYS_HAS_CPU_MIPS32_R2
82 select SYS_HAS_EARLY_PRINTK
83 select SYS_SUPPORTS_32BIT_KERNEL
84 select SYS_SUPPORTS_BIG_ENDIAN
85 help
86 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
87
88 config BCM47XX
89 bool "Broadcom BCM47XX based boards"
90 select CEVT_R4K
91 select CSRC_R4K
92 select DMA_NONCOHERENT
93 select HW_HAS_PCI
94 select IRQ_CPU
95 select SYS_HAS_CPU_MIPS32_R1
96 select SYS_SUPPORTS_32BIT_KERNEL
97 select SYS_SUPPORTS_LITTLE_ENDIAN
98 select SSB
99 select SSB_DRIVER_MIPS
100 select SSB_DRIVER_EXTIF
101 select SSB_EMBEDDED
102 select SSB_B43_PCI_BRIDGE if PCI
103 select SSB_PCICORE_HOSTMODE if PCI
104 select GENERIC_GPIO
105 select SYS_HAS_EARLY_PRINTK
106 select CFE
107 help
108 Support for BCM47XX based boards
109
110 config BCM63XX
111 bool "Broadcom BCM63XX based boards"
112 select CEVT_R4K
113 select CSRC_R4K
114 select DMA_NONCOHERENT
115 select IRQ_CPU
116 select SYS_HAS_CPU_MIPS32_R1
117 select SYS_SUPPORTS_32BIT_KERNEL
118 select SYS_SUPPORTS_BIG_ENDIAN
119 select SYS_HAS_EARLY_PRINTK
120 select SWAP_IO_SPACE
121 select ARCH_REQUIRE_GPIOLIB
122 help
123 Support for BCM63XX based boards
124
125 config MIPS_COBALT
126 bool "Cobalt Server"
127 select CEVT_R4K
128 select CSRC_R4K
129 select CEVT_GT641XX
130 select DMA_NONCOHERENT
131 select HW_HAS_PCI
132 select I8253
133 select I8259
134 select IRQ_CPU
135 select IRQ_GT641XX
136 select PCI_GT64XXX_PCI0
137 select PCI
138 select SYS_HAS_CPU_NEVADA
139 select SYS_HAS_EARLY_PRINTK
140 select SYS_SUPPORTS_32BIT_KERNEL
141 select SYS_SUPPORTS_64BIT_KERNEL
142 select SYS_SUPPORTS_LITTLE_ENDIAN
143
144 config MACH_DECSTATION
145 bool "DECstations"
146 select BOOT_ELF32
147 select CEVT_DS1287
148 select CEVT_R4K
149 select CSRC_IOASIC
150 select CSRC_R4K
151 select CPU_DADDI_WORKAROUNDS if 64BIT
152 select CPU_R4000_WORKAROUNDS if 64BIT
153 select CPU_R4400_WORKAROUNDS if 64BIT
154 select DMA_NONCOHERENT
155 select NO_IOPORT
156 select IRQ_CPU
157 select SYS_HAS_CPU_R3000
158 select SYS_HAS_CPU_R4X00
159 select SYS_SUPPORTS_32BIT_KERNEL
160 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
161 select SYS_SUPPORTS_LITTLE_ENDIAN
162 select SYS_SUPPORTS_128HZ
163 select SYS_SUPPORTS_256HZ
164 select SYS_SUPPORTS_1024HZ
165 help
166 This enables support for DEC's MIPS based workstations. For details
167 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
168 DECstation porting pages on <http://decstation.unix-ag.org/>.
169
170 If you have one of the following DECstation Models you definitely
171 want to choose R4xx0 for the CPU Type:
172
173 DECstation 5000/50
174 DECstation 5000/150
175 DECstation 5000/260
176 DECsystem 5900/260
177
178 otherwise choose R3000.
179
180 config MACH_JAZZ
181 bool "Jazz family of machines"
182 select ARC
183 select ARC32
184 select ARCH_MAY_HAVE_PC_FDC
185 select CEVT_R4K
186 select CSRC_R4K
187 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
188 select GENERIC_ISA_DMA
189 select HAVE_PCSPKR_PLATFORM
190 select IRQ_CPU
191 select I8253
192 select I8259
193 select ISA
194 select SYS_HAS_CPU_R4X00
195 select SYS_SUPPORTS_32BIT_KERNEL
196 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
197 select SYS_SUPPORTS_100HZ
198 help
199 This a family of machines based on the MIPS R4030 chipset which was
200 used by several vendors to build RISC/os and Windows NT workstations.
201 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
202 Olivetti M700-10 workstations.
203
204 config MACH_JZ4740
205 bool "Ingenic JZ4740 based machines"
206 select SYS_HAS_CPU_MIPS32_R1
207 select SYS_SUPPORTS_32BIT_KERNEL
208 select SYS_SUPPORTS_LITTLE_ENDIAN
209 select DMA_NONCOHERENT
210 select IRQ_CPU
211 select GENERIC_GPIO
212 select ARCH_REQUIRE_GPIOLIB
213 select SYS_HAS_EARLY_PRINTK
214 select HAVE_PWM
215 select HAVE_CLK
216
217 config LANTIQ
218 bool "Lantiq based platforms"
219 select DMA_NONCOHERENT
220 select IRQ_CPU
221 select CEVT_R4K
222 select CSRC_R4K
223 select SYS_HAS_CPU_MIPS32_R1
224 select SYS_HAS_CPU_MIPS32_R2
225 select SYS_SUPPORTS_BIG_ENDIAN
226 select SYS_SUPPORTS_32BIT_KERNEL
227 select SYS_SUPPORTS_MULTITHREADING
228 select SYS_HAS_EARLY_PRINTK
229 select ARCH_REQUIRE_GPIOLIB
230 select SWAP_IO_SPACE
231 select BOOT_RAW
232 select HAVE_CLK
233 select MIPS_MACHINE
234
235 config LASAT
236 bool "LASAT Networks platforms"
237 select CEVT_R4K
238 select CSRC_R4K
239 select DMA_NONCOHERENT
240 select SYS_HAS_EARLY_PRINTK
241 select HW_HAS_PCI
242 select IRQ_CPU
243 select PCI_GT64XXX_PCI0
244 select MIPS_NILE4
245 select R5000_CPU_SCACHE
246 select SYS_HAS_CPU_R5000
247 select SYS_SUPPORTS_32BIT_KERNEL
248 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
249 select SYS_SUPPORTS_LITTLE_ENDIAN
250
251 config MACH_LOONGSON
252 bool "Loongson family of machines"
253 select SYS_SUPPORTS_ZBOOT
254 help
255 This enables the support of Loongson family of machines.
256
257 Loongson is a family of general-purpose MIPS-compatible CPUs.
258 developed at Institute of Computing Technology (ICT),
259 Chinese Academy of Sciences (CAS) in the People's Republic
260 of China. The chief architect is Professor Weiwu Hu.
261
262 config MIPS_MALTA
263 bool "MIPS Malta board"
264 select ARCH_MAY_HAVE_PC_FDC
265 select BOOT_ELF32
266 select BOOT_RAW
267 select CEVT_R4K
268 select CSRC_R4K
269 select DMA_NONCOHERENT
270 select GENERIC_ISA_DMA
271 select HAVE_PCSPKR_PLATFORM
272 select IRQ_CPU
273 select IRQ_GIC
274 select HW_HAS_PCI
275 select I8253
276 select I8259
277 select MIPS_BOARDS_GEN
278 select MIPS_BONITO64
279 select MIPS_CPU_SCACHE
280 select PCI_GT64XXX_PCI0
281 select MIPS_MSC
282 select SWAP_IO_SPACE
283 select SYS_HAS_CPU_MIPS32_R1
284 select SYS_HAS_CPU_MIPS32_R2
285 select SYS_HAS_CPU_MIPS64_R1
286 select SYS_HAS_CPU_NEVADA
287 select SYS_HAS_CPU_RM7000
288 select SYS_HAS_EARLY_PRINTK
289 select SYS_SUPPORTS_32BIT_KERNEL
290 select SYS_SUPPORTS_64BIT_KERNEL
291 select SYS_SUPPORTS_BIG_ENDIAN
292 select SYS_SUPPORTS_LITTLE_ENDIAN
293 select SYS_SUPPORTS_MIPS_CMP
294 select SYS_SUPPORTS_MULTITHREADING
295 select SYS_SUPPORTS_SMARTMIPS
296 select SYS_SUPPORTS_ZBOOT
297 help
298 This enables support for the MIPS Technologies Malta evaluation
299 board.
300
301 config MIPS_SIM
302 bool 'MIPS simulator (MIPSsim)'
303 select CEVT_R4K
304 select CSRC_R4K
305 select DMA_NONCOHERENT
306 select SYS_HAS_EARLY_PRINTK
307 select IRQ_CPU
308 select BOOT_RAW
309 select SYS_HAS_CPU_MIPS32_R1
310 select SYS_HAS_CPU_MIPS32_R2
311 select SYS_HAS_EARLY_PRINTK
312 select SYS_SUPPORTS_32BIT_KERNEL
313 select SYS_SUPPORTS_BIG_ENDIAN
314 select SYS_SUPPORTS_MULTITHREADING
315 select SYS_SUPPORTS_LITTLE_ENDIAN
316 help
317 This option enables support for MIPS Technologies MIPSsim software
318 emulator.
319
320 config NEC_MARKEINS
321 bool "NEC EMMA2RH Mark-eins board"
322 select SOC_EMMA2RH
323 select HW_HAS_PCI
324 help
325 This enables support for the NEC Electronics Mark-eins boards.
326
327 config MACH_VR41XX
328 bool "NEC VR4100 series based machines"
329 select CEVT_R4K
330 select CSRC_R4K
331 select SYS_HAS_CPU_VR41XX
332 select ARCH_REQUIRE_GPIOLIB
333
334 config NXP_STB220
335 bool "NXP STB220 board"
336 select SOC_PNX833X
337 help
338 Support for NXP Semiconductors STB220 Development Board.
339
340 config NXP_STB225
341 bool "NXP 225 board"
342 select SOC_PNX833X
343 select SOC_PNX8335
344 help
345 Support for NXP Semiconductors STB225 Development Board.
346
347 config PNX8550_JBS
348 bool "NXP PNX8550 based JBS board"
349 select PNX8550
350 select SYS_SUPPORTS_LITTLE_ENDIAN
351
352 config PNX8550_STB810
353 bool "NXP PNX8550 based STB810 board"
354 select PNX8550
355 select SYS_SUPPORTS_LITTLE_ENDIAN
356
357 config PMC_MSP
358 bool "PMC-Sierra MSP chipsets"
359 depends on EXPERIMENTAL
360 select CEVT_R4K
361 select CSRC_R4K
362 select DMA_NONCOHERENT
363 select SWAP_IO_SPACE
364 select NO_EXCEPT_FILL
365 select BOOT_RAW
366 select SYS_HAS_CPU_MIPS32_R1
367 select SYS_HAS_CPU_MIPS32_R2
368 select SYS_SUPPORTS_32BIT_KERNEL
369 select SYS_SUPPORTS_BIG_ENDIAN
370 select IRQ_CPU
371 select SERIAL_8250
372 select SERIAL_8250_CONSOLE
373 help
374 This adds support for the PMC-Sierra family of Multi-Service
375 Processor System-On-A-Chips. These parts include a number
376 of integrated peripherals, interfaces and DSPs in addition to
377 a variety of MIPS cores.
378
379 config PMC_YOSEMITE
380 bool "PMC-Sierra Yosemite eval board"
381 select CEVT_R4K
382 select CSRC_R4K
383 select DMA_COHERENT
384 select HW_HAS_PCI
385 select IRQ_CPU
386 select IRQ_CPU_RM7K
387 select IRQ_CPU_RM9K
388 select SWAP_IO_SPACE
389 select SYS_HAS_CPU_RM9000
390 select SYS_HAS_EARLY_PRINTK
391 select SYS_SUPPORTS_32BIT_KERNEL
392 select SYS_SUPPORTS_64BIT_KERNEL
393 select SYS_SUPPORTS_BIG_ENDIAN
394 select SYS_SUPPORTS_HIGHMEM
395 select SYS_SUPPORTS_SMP
396 help
397 Yosemite is an evaluation board for the RM9000x2 processor
398 manufactured by PMC-Sierra.
399
400 config POWERTV
401 bool "Cisco PowerTV"
402 select BOOT_ELF32
403 select CEVT_R4K
404 select CPU_MIPSR2_IRQ_VI
405 select CPU_MIPSR2_IRQ_EI
406 select CSRC_POWERTV
407 select DMA_NONCOHERENT
408 select HW_HAS_PCI
409 select SYS_HAS_EARLY_PRINTK
410 select SYS_HAS_CPU_MIPS32_R2
411 select SYS_SUPPORTS_32BIT_KERNEL
412 select SYS_SUPPORTS_BIG_ENDIAN
413 select SYS_SUPPORTS_HIGHMEM
414 select USB_OHCI_LITTLE_ENDIAN
415 help
416 This enables support for the Cisco PowerTV Platform.
417
418 config SGI_IP22
419 bool "SGI IP22 (Indy/Indigo2)"
420 select ARC
421 select ARC32
422 select BOOT_ELF32
423 select CEVT_R4K
424 select CSRC_R4K
425 select DEFAULT_SGI_PARTITION
426 select DMA_NONCOHERENT
427 select HW_HAS_EISA
428 select I8253
429 select I8259
430 select IP22_CPU_SCACHE
431 select IRQ_CPU
432 select GENERIC_ISA_DMA_SUPPORT_BROKEN
433 select SGI_HAS_I8042
434 select SGI_HAS_INDYDOG
435 select SGI_HAS_HAL2
436 select SGI_HAS_SEEQ
437 select SGI_HAS_WD93
438 select SGI_HAS_ZILOG
439 select SWAP_IO_SPACE
440 select SYS_HAS_CPU_R4X00
441 select SYS_HAS_CPU_R5000
442 #
443 # Disable EARLY_PRINTK for now since it leads to overwritten prom
444 # memory during early boot on some machines.
445 #
446 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
447 # for a more details discussion
448 #
449 # select SYS_HAS_EARLY_PRINTK
450 select SYS_SUPPORTS_32BIT_KERNEL
451 select SYS_SUPPORTS_64BIT_KERNEL
452 select SYS_SUPPORTS_BIG_ENDIAN
453 help
454 This are the SGI Indy, Challenge S and Indigo2, as well as certain
455 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
456 that runs on these, say Y here.
457
458 config SGI_IP27
459 bool "SGI IP27 (Origin200/2000)"
460 select ARC
461 select ARC64
462 select BOOT_ELF64
463 select DEFAULT_SGI_PARTITION
464 select DMA_COHERENT
465 select SYS_HAS_EARLY_PRINTK
466 select HW_HAS_PCI
467 select NR_CPUS_DEFAULT_64
468 select SYS_HAS_CPU_R10000
469 select SYS_SUPPORTS_64BIT_KERNEL
470 select SYS_SUPPORTS_BIG_ENDIAN
471 select SYS_SUPPORTS_NUMA
472 select SYS_SUPPORTS_SMP
473 help
474 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
475 workstations. To compile a Linux kernel that runs on these, say Y
476 here.
477
478 config SGI_IP28
479 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
480 depends on EXPERIMENTAL
481 select ARC
482 select ARC64
483 select BOOT_ELF64
484 select CEVT_R4K
485 select CSRC_R4K
486 select DEFAULT_SGI_PARTITION
487 select DMA_NONCOHERENT
488 select GENERIC_ISA_DMA_SUPPORT_BROKEN
489 select IRQ_CPU
490 select HW_HAS_EISA
491 select I8253
492 select I8259
493 select SGI_HAS_I8042
494 select SGI_HAS_INDYDOG
495 select SGI_HAS_HAL2
496 select SGI_HAS_SEEQ
497 select SGI_HAS_WD93
498 select SGI_HAS_ZILOG
499 select SWAP_IO_SPACE
500 select SYS_HAS_CPU_R10000
501 #
502 # Disable EARLY_PRINTK for now since it leads to overwritten prom
503 # memory during early boot on some machines.
504 #
505 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
506 # for a more details discussion
507 #
508 # select SYS_HAS_EARLY_PRINTK
509 select SYS_SUPPORTS_64BIT_KERNEL
510 select SYS_SUPPORTS_BIG_ENDIAN
511 help
512 This is the SGI Indigo2 with R10000 processor. To compile a Linux
513 kernel that runs on these, say Y here.
514
515 config SGI_IP32
516 bool "SGI IP32 (O2)"
517 select ARC
518 select ARC32
519 select BOOT_ELF32
520 select CEVT_R4K
521 select CSRC_R4K
522 select DMA_NONCOHERENT
523 select HW_HAS_PCI
524 select IRQ_CPU
525 select R5000_CPU_SCACHE
526 select RM7000_CPU_SCACHE
527 select SYS_HAS_CPU_R5000
528 select SYS_HAS_CPU_R10000 if BROKEN
529 select SYS_HAS_CPU_RM7000
530 select SYS_HAS_CPU_NEVADA
531 select SYS_SUPPORTS_64BIT_KERNEL
532 select SYS_SUPPORTS_BIG_ENDIAN
533 help
534 If you want this kernel to run on SGI O2 workstation, say Y here.
535
536 config SIBYTE_CRHINE
537 bool "Sibyte BCM91120C-CRhine"
538 depends on EXPERIMENTAL
539 select BOOT_ELF32
540 select DMA_COHERENT
541 select SIBYTE_BCM1120
542 select SWAP_IO_SPACE
543 select SYS_HAS_CPU_SB1
544 select SYS_SUPPORTS_BIG_ENDIAN
545 select SYS_SUPPORTS_LITTLE_ENDIAN
546
547 config SIBYTE_CARMEL
548 bool "Sibyte BCM91120x-Carmel"
549 depends on EXPERIMENTAL
550 select BOOT_ELF32
551 select DMA_COHERENT
552 select SIBYTE_BCM1120
553 select SWAP_IO_SPACE
554 select SYS_HAS_CPU_SB1
555 select SYS_SUPPORTS_BIG_ENDIAN
556 select SYS_SUPPORTS_LITTLE_ENDIAN
557
558 config SIBYTE_CRHONE
559 bool "Sibyte BCM91125C-CRhone"
560 depends on EXPERIMENTAL
561 select BOOT_ELF32
562 select DMA_COHERENT
563 select SIBYTE_BCM1125
564 select SWAP_IO_SPACE
565 select SYS_HAS_CPU_SB1
566 select SYS_SUPPORTS_BIG_ENDIAN
567 select SYS_SUPPORTS_HIGHMEM
568 select SYS_SUPPORTS_LITTLE_ENDIAN
569
570 config SIBYTE_RHONE
571 bool "Sibyte BCM91125E-Rhone"
572 depends on EXPERIMENTAL
573 select BOOT_ELF32
574 select DMA_COHERENT
575 select SIBYTE_BCM1125H
576 select SWAP_IO_SPACE
577 select SYS_HAS_CPU_SB1
578 select SYS_SUPPORTS_BIG_ENDIAN
579 select SYS_SUPPORTS_LITTLE_ENDIAN
580
581 config SIBYTE_SWARM
582 bool "Sibyte BCM91250A-SWARM"
583 select BOOT_ELF32
584 select DMA_COHERENT
585 select HAVE_PATA_PLATFORM
586 select NR_CPUS_DEFAULT_2
587 select SIBYTE_SB1250
588 select SWAP_IO_SPACE
589 select SYS_HAS_CPU_SB1
590 select SYS_SUPPORTS_BIG_ENDIAN
591 select SYS_SUPPORTS_HIGHMEM
592 select SYS_SUPPORTS_LITTLE_ENDIAN
593 select ZONE_DMA32 if 64BIT
594
595 config SIBYTE_LITTLESUR
596 bool "Sibyte BCM91250C2-LittleSur"
597 depends on EXPERIMENTAL
598 select BOOT_ELF32
599 select DMA_COHERENT
600 select HAVE_PATA_PLATFORM
601 select NR_CPUS_DEFAULT_2
602 select SIBYTE_SB1250
603 select SWAP_IO_SPACE
604 select SYS_HAS_CPU_SB1
605 select SYS_SUPPORTS_BIG_ENDIAN
606 select SYS_SUPPORTS_HIGHMEM
607 select SYS_SUPPORTS_LITTLE_ENDIAN
608
609 config SIBYTE_SENTOSA
610 bool "Sibyte BCM91250E-Sentosa"
611 depends on EXPERIMENTAL
612 select BOOT_ELF32
613 select DMA_COHERENT
614 select NR_CPUS_DEFAULT_2
615 select SIBYTE_SB1250
616 select SWAP_IO_SPACE
617 select SYS_HAS_CPU_SB1
618 select SYS_SUPPORTS_BIG_ENDIAN
619 select SYS_SUPPORTS_LITTLE_ENDIAN
620
621 config SIBYTE_BIGSUR
622 bool "Sibyte BCM91480B-BigSur"
623 select BOOT_ELF32
624 select DMA_COHERENT
625 select NR_CPUS_DEFAULT_4
626 select SIBYTE_BCM1x80
627 select SWAP_IO_SPACE
628 select SYS_HAS_CPU_SB1
629 select SYS_SUPPORTS_BIG_ENDIAN
630 select SYS_SUPPORTS_HIGHMEM
631 select SYS_SUPPORTS_LITTLE_ENDIAN
632 select ZONE_DMA32 if 64BIT
633
634 config SNI_RM
635 bool "SNI RM200/300/400"
636 select ARC if CPU_LITTLE_ENDIAN
637 select ARC32 if CPU_LITTLE_ENDIAN
638 select SNIPROM if CPU_BIG_ENDIAN
639 select ARCH_MAY_HAVE_PC_FDC
640 select BOOT_ELF32
641 select CEVT_R4K
642 select CSRC_R4K
643 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
644 select DMA_NONCOHERENT
645 select GENERIC_ISA_DMA
646 select HAVE_PCSPKR_PLATFORM
647 select HW_HAS_EISA
648 select HW_HAS_PCI
649 select IRQ_CPU
650 select I8253
651 select I8259
652 select ISA
653 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
654 select SYS_HAS_CPU_R4X00
655 select SYS_HAS_CPU_R5000
656 select SYS_HAS_CPU_R10000
657 select R5000_CPU_SCACHE
658 select SYS_HAS_EARLY_PRINTK
659 select SYS_SUPPORTS_32BIT_KERNEL
660 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
661 select SYS_SUPPORTS_BIG_ENDIAN
662 select SYS_SUPPORTS_HIGHMEM
663 select SYS_SUPPORTS_LITTLE_ENDIAN
664 help
665 The SNI RM200/300/400 are MIPS-based machines manufactured by
666 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
667 Technology and now in turn merged with Fujitsu. Say Y here to
668 support this machine type.
669
670 config MACH_TX39XX
671 bool "Toshiba TX39 series based machines"
672
673 config MACH_TX49XX
674 bool "Toshiba TX49 series based machines"
675
676 config MIKROTIK_RB532
677 bool "Mikrotik RB532 boards"
678 select CEVT_R4K
679 select CSRC_R4K
680 select DMA_NONCOHERENT
681 select HW_HAS_PCI
682 select IRQ_CPU
683 select SYS_HAS_CPU_MIPS32_R1
684 select SYS_SUPPORTS_32BIT_KERNEL
685 select SYS_SUPPORTS_LITTLE_ENDIAN
686 select SWAP_IO_SPACE
687 select BOOT_RAW
688 select ARCH_REQUIRE_GPIOLIB
689 help
690 Support the Mikrotik(tm) RouterBoard 532 series,
691 based on the IDT RC32434 SoC.
692
693 config WR_PPMC
694 bool "Wind River PPMC board"
695 select CEVT_R4K
696 select CSRC_R4K
697 select IRQ_CPU
698 select BOOT_ELF32
699 select DMA_NONCOHERENT
700 select HW_HAS_PCI
701 select PCI_GT64XXX_PCI0
702 select SWAP_IO_SPACE
703 select SYS_HAS_CPU_MIPS32_R1
704 select SYS_HAS_CPU_MIPS32_R2
705 select SYS_HAS_CPU_MIPS64_R1
706 select SYS_HAS_CPU_NEVADA
707 select SYS_HAS_CPU_RM7000
708 select SYS_SUPPORTS_32BIT_KERNEL
709 select SYS_SUPPORTS_64BIT_KERNEL
710 select SYS_SUPPORTS_BIG_ENDIAN
711 select SYS_SUPPORTS_LITTLE_ENDIAN
712 help
713 This enables support for the Wind River MIPS32 4KC PPMC evaluation
714 board, which is based on GT64120 bridge chip.
715
716 config CAVIUM_OCTEON_SIMULATOR
717 bool "Cavium Networks Octeon Simulator"
718 select CEVT_R4K
719 select 64BIT_PHYS_ADDR
720 select DMA_COHERENT
721 select SYS_SUPPORTS_64BIT_KERNEL
722 select SYS_SUPPORTS_BIG_ENDIAN
723 select SYS_SUPPORTS_HIGHMEM
724 select SYS_SUPPORTS_HOTPLUG_CPU
725 select SYS_HAS_CPU_CAVIUM_OCTEON
726 select HOLES_IN_ZONE
727 help
728 The Octeon simulator is software performance model of the Cavium
729 Octeon Processor. It supports simulating Octeon processors on x86
730 hardware.
731
732 config CAVIUM_OCTEON_REFERENCE_BOARD
733 bool "Cavium Networks Octeon reference board"
734 select CEVT_R4K
735 select 64BIT_PHYS_ADDR
736 select DMA_COHERENT
737 select SYS_SUPPORTS_64BIT_KERNEL
738 select SYS_SUPPORTS_BIG_ENDIAN
739 select SYS_SUPPORTS_HIGHMEM
740 select SYS_SUPPORTS_HOTPLUG_CPU
741 select SYS_HAS_EARLY_PRINTK
742 select SYS_HAS_CPU_CAVIUM_OCTEON
743 select SWAP_IO_SPACE
744 select HW_HAS_PCI
745 select ARCH_SUPPORTS_MSI
746 select ZONE_DMA32
747 select USB_ARCH_HAS_OHCI
748 select USB_ARCH_HAS_EHCI
749 select HOLES_IN_ZONE
750 help
751 This option supports all of the Octeon reference boards from Cavium
752 Networks. It builds a kernel that dynamically determines the Octeon
753 CPU type and supports all known board reference implementations.
754 Some of the supported boards are:
755 EBT3000
756 EBH3000
757 EBH3100
758 Thunder
759 Kodama
760 Hikari
761 Say Y here for most Octeon reference boards.
762
763 config NLM_XLR_BOARD
764 bool "Netlogic XLR/XLS based systems"
765 depends on EXPERIMENTAL
766 select BOOT_ELF32
767 select NLM_COMMON
768 select NLM_XLR
769 select SYS_HAS_CPU_XLR
770 select SYS_SUPPORTS_SMP
771 select HW_HAS_PCI
772 select SWAP_IO_SPACE
773 select SYS_SUPPORTS_32BIT_KERNEL
774 select SYS_SUPPORTS_64BIT_KERNEL
775 select 64BIT_PHYS_ADDR
776 select SYS_SUPPORTS_BIG_ENDIAN
777 select SYS_SUPPORTS_HIGHMEM
778 select DMA_COHERENT
779 select NR_CPUS_DEFAULT_32
780 select CEVT_R4K
781 select CSRC_R4K
782 select IRQ_CPU
783 select ZONE_DMA if 64BIT
784 select SYNC_R4K
785 select SYS_HAS_EARLY_PRINTK
786 help
787 Support for systems based on Netlogic XLR and XLS processors.
788 Say Y here if you have a XLR or XLS based board.
789
790 endchoice
791
792 source "arch/mips/alchemy/Kconfig"
793 source "arch/mips/ath79/Kconfig"
794 source "arch/mips/bcm63xx/Kconfig"
795 source "arch/mips/jazz/Kconfig"
796 source "arch/mips/jz4740/Kconfig"
797 source "arch/mips/lantiq/Kconfig"
798 source "arch/mips/lasat/Kconfig"
799 source "arch/mips/pmc-sierra/Kconfig"
800 source "arch/mips/powertv/Kconfig"
801 source "arch/mips/sgi-ip27/Kconfig"
802 source "arch/mips/sibyte/Kconfig"
803 source "arch/mips/txx9/Kconfig"
804 source "arch/mips/vr41xx/Kconfig"
805 source "arch/mips/cavium-octeon/Kconfig"
806 source "arch/mips/loongson/Kconfig"
807 source "arch/mips/netlogic/Kconfig"
808
809 endmenu
810
811 config RWSEM_GENERIC_SPINLOCK
812 bool
813 default y
814
815 config RWSEM_XCHGADD_ALGORITHM
816 bool
817
818 config ARCH_HAS_ILOG2_U32
819 bool
820 default n
821
822 config ARCH_HAS_ILOG2_U64
823 bool
824 default n
825
826 config ARCH_SUPPORTS_OPROFILE
827 bool
828 default y if !MIPS_MT_SMTC
829
830 config GENERIC_HWEIGHT
831 bool
832 default y
833
834 config GENERIC_CALIBRATE_DELAY
835 bool
836 default y
837
838 config GENERIC_CLOCKEVENTS
839 bool
840 default y
841
842 config GENERIC_CMOS_UPDATE
843 bool
844 default y
845
846 config SCHED_OMIT_FRAME_POINTER
847 bool
848 default y
849
850 #
851 # Select some configuration options automatically based on user selections.
852 #
853 config ARC
854 bool
855
856 config ARCH_MAY_HAVE_PC_FDC
857 bool
858
859 config BOOT_RAW
860 bool
861
862 config CEVT_BCM1480
863 bool
864
865 config CEVT_DS1287
866 bool
867
868 config CEVT_GT641XX
869 bool
870
871 config CEVT_R4K_LIB
872 bool
873
874 config CEVT_R4K
875 select CEVT_R4K_LIB
876 bool
877
878 config CEVT_SB1250
879 bool
880
881 config CEVT_TXX9
882 bool
883
884 config CSRC_BCM1480
885 bool
886
887 config CSRC_IOASIC
888 bool
889
890 config CSRC_POWERTV
891 bool
892
893 config CSRC_R4K_LIB
894 bool
895
896 config CSRC_R4K
897 select CSRC_R4K_LIB
898 bool
899
900 config CSRC_SB1250
901 bool
902
903 config GPIO_TXX9
904 select GENERIC_GPIO
905 select ARCH_REQUIRE_GPIOLIB
906 bool
907
908 config CFE
909 bool
910
911 config ARCH_DMA_ADDR_T_64BIT
912 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
913
914 config DMA_COHERENT
915 bool
916
917 config DMA_NONCOHERENT
918 bool
919 select NEED_DMA_MAP_STATE
920
921 config NEED_DMA_MAP_STATE
922 bool
923
924 config SYS_HAS_EARLY_PRINTK
925 bool
926
927 config HOTPLUG_CPU
928 bool "Support for hot-pluggable CPUs"
929 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
930 help
931 Say Y here to allow turning CPUs off and on. CPUs can be
932 controlled through /sys/devices/system/cpu.
933 (Note: power management support will enable this option
934 automatically on SMP systems. )
935 Say N if you want to disable CPU hotplug.
936
937 config SYS_SUPPORTS_HOTPLUG_CPU
938 bool
939
940 config I8259
941 bool
942
943 config MIPS_BONITO64
944 bool
945
946 config MIPS_MSC
947 bool
948
949 config MIPS_NILE4
950 bool
951
952 config MIPS_DISABLE_OBSOLETE_IDE
953 bool
954
955 config SYNC_R4K
956 bool
957
958 config MIPS_MACHINE
959 def_bool n
960
961 config NO_IOPORT
962 def_bool n
963
964 config GENERIC_ISA_DMA
965 bool
966 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
967 select ISA_DMA_API
968
969 config GENERIC_ISA_DMA_SUPPORT_BROKEN
970 bool
971 select GENERIC_ISA_DMA
972
973 config ISA_DMA_API
974 bool
975
976 config GENERIC_GPIO
977 bool
978
979 config HOLES_IN_ZONE
980 bool
981
982 #
983 # Endianess selection. Sufficiently obscure so many users don't know what to
984 # answer,so we try hard to limit the available choices. Also the use of a
985 # choice statement should be more obvious to the user.
986 #
987 choice
988 prompt "Endianess selection"
989 help
990 Some MIPS machines can be configured for either little or big endian
991 byte order. These modes require different kernels and a different
992 Linux distribution. In general there is one preferred byteorder for a
993 particular system but some systems are just as commonly used in the
994 one or the other endianness.
995
996 config CPU_BIG_ENDIAN
997 bool "Big endian"
998 depends on SYS_SUPPORTS_BIG_ENDIAN
999
1000 config CPU_LITTLE_ENDIAN
1001 bool "Little endian"
1002 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1003 help
1004
1005 endchoice
1006
1007 config EXPORT_UASM
1008 bool
1009
1010 config SYS_SUPPORTS_APM_EMULATION
1011 bool
1012
1013 config SYS_SUPPORTS_BIG_ENDIAN
1014 bool
1015
1016 config SYS_SUPPORTS_LITTLE_ENDIAN
1017 bool
1018
1019 config SYS_SUPPORTS_HUGETLBFS
1020 bool
1021 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1022 default y
1023
1024 config IRQ_CPU
1025 bool
1026
1027 config IRQ_CPU_RM7K
1028 bool
1029
1030 config IRQ_CPU_RM9K
1031 bool
1032
1033 config IRQ_MSP_SLP
1034 bool
1035
1036 config IRQ_MSP_CIC
1037 bool
1038
1039 config IRQ_TXX9
1040 bool
1041
1042 config IRQ_GT641XX
1043 bool
1044
1045 config IRQ_GIC
1046 bool
1047
1048 config MIPS_BOARDS_GEN
1049 bool
1050
1051 config PCI_GT64XXX_PCI0
1052 bool
1053
1054 config NO_EXCEPT_FILL
1055 bool
1056
1057 config MIPS_RM9122
1058 bool
1059 select SERIAL_RM9000
1060
1061 config SOC_EMMA2RH
1062 bool
1063 select CEVT_R4K
1064 select CSRC_R4K
1065 select DMA_NONCOHERENT
1066 select IRQ_CPU
1067 select SWAP_IO_SPACE
1068 select SYS_HAS_CPU_R5500
1069 select SYS_SUPPORTS_32BIT_KERNEL
1070 select SYS_SUPPORTS_64BIT_KERNEL
1071 select SYS_SUPPORTS_BIG_ENDIAN
1072
1073 config SOC_PNX833X
1074 bool
1075 select CEVT_R4K
1076 select CSRC_R4K
1077 select IRQ_CPU
1078 select DMA_NONCOHERENT
1079 select SYS_HAS_CPU_MIPS32_R2
1080 select SYS_SUPPORTS_32BIT_KERNEL
1081 select SYS_SUPPORTS_LITTLE_ENDIAN
1082 select SYS_SUPPORTS_BIG_ENDIAN
1083 select GENERIC_GPIO
1084 select CPU_MIPSR2_IRQ_VI
1085
1086 config SOC_PNX8335
1087 bool
1088 select SOC_PNX833X
1089
1090 config PNX8550
1091 bool
1092 select SOC_PNX8550
1093
1094 config SOC_PNX8550
1095 bool
1096 select DMA_NONCOHERENT
1097 select HW_HAS_PCI
1098 select SYS_HAS_CPU_MIPS32_R1
1099 select SYS_HAS_EARLY_PRINTK
1100 select SYS_SUPPORTS_32BIT_KERNEL
1101 select GENERIC_GPIO
1102
1103 config SWAP_IO_SPACE
1104 bool
1105
1106 config SERIAL_RM9000
1107 bool
1108
1109 config SGI_HAS_INDYDOG
1110 bool
1111
1112 config SGI_HAS_HAL2
1113 bool
1114
1115 config SGI_HAS_SEEQ
1116 bool
1117
1118 config SGI_HAS_WD93
1119 bool
1120
1121 config SGI_HAS_ZILOG
1122 bool
1123
1124 config SGI_HAS_I8042
1125 bool
1126
1127 config DEFAULT_SGI_PARTITION
1128 bool
1129
1130 config ARC32
1131 bool
1132
1133 config SNIPROM
1134 bool
1135
1136 config BOOT_ELF32
1137 bool
1138
1139 config MIPS_L1_CACHE_SHIFT
1140 int
1141 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1142 default "6" if MIPS_CPU_SCACHE
1143 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1144 default "5"
1145
1146 config HAVE_STD_PC_SERIAL_PORT
1147 bool
1148
1149 config ARC_CONSOLE
1150 bool "ARC console support"
1151 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1152
1153 config ARC_MEMORY
1154 bool
1155 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1156 default y
1157
1158 config ARC_PROMLIB
1159 bool
1160 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1161 default y
1162
1163 config ARC64
1164 bool
1165
1166 config BOOT_ELF64
1167 bool
1168
1169 menu "CPU selection"
1170
1171 choice
1172 prompt "CPU type"
1173 default CPU_R4X00
1174
1175 config CPU_LOONGSON2E
1176 bool "Loongson 2E"
1177 depends on SYS_HAS_CPU_LOONGSON2E
1178 select CPU_LOONGSON2
1179 help
1180 The Loongson 2E processor implements the MIPS III instruction set
1181 with many extensions.
1182
1183 It has an internal FPGA northbridge, which is compatible to
1184 bonito64.
1185
1186 config CPU_LOONGSON2F
1187 bool "Loongson 2F"
1188 depends on SYS_HAS_CPU_LOONGSON2F
1189 select CPU_LOONGSON2
1190 select GENERIC_GPIO
1191 select ARCH_REQUIRE_GPIOLIB
1192 help
1193 The Loongson 2F processor implements the MIPS III instruction set
1194 with many extensions.
1195
1196 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1197 have a similar programming interface with FPGA northbridge used in
1198 Loongson2E.
1199
1200 config CPU_MIPS32_R1
1201 bool "MIPS32 Release 1"
1202 depends on SYS_HAS_CPU_MIPS32_R1
1203 select CPU_HAS_PREFETCH
1204 select CPU_SUPPORTS_32BIT_KERNEL
1205 select CPU_SUPPORTS_HIGHMEM
1206 help
1207 Choose this option to build a kernel for release 1 or later of the
1208 MIPS32 architecture. Most modern embedded systems with a 32-bit
1209 MIPS processor are based on a MIPS32 processor. If you know the
1210 specific type of processor in your system, choose those that one
1211 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1212 Release 2 of the MIPS32 architecture is available since several
1213 years so chances are you even have a MIPS32 Release 2 processor
1214 in which case you should choose CPU_MIPS32_R2 instead for better
1215 performance.
1216
1217 config CPU_MIPS32_R2
1218 bool "MIPS32 Release 2"
1219 depends on SYS_HAS_CPU_MIPS32_R2
1220 select CPU_HAS_PREFETCH
1221 select CPU_SUPPORTS_32BIT_KERNEL
1222 select CPU_SUPPORTS_HIGHMEM
1223 help
1224 Choose this option to build a kernel for release 2 or later of the
1225 MIPS32 architecture. Most modern embedded systems with a 32-bit
1226 MIPS processor are based on a MIPS32 processor. If you know the
1227 specific type of processor in your system, choose those that one
1228 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1229
1230 config CPU_MIPS64_R1
1231 bool "MIPS64 Release 1"
1232 depends on SYS_HAS_CPU_MIPS64_R1
1233 select CPU_HAS_PREFETCH
1234 select CPU_SUPPORTS_32BIT_KERNEL
1235 select CPU_SUPPORTS_64BIT_KERNEL
1236 select CPU_SUPPORTS_HIGHMEM
1237 select CPU_SUPPORTS_HUGEPAGES
1238 help
1239 Choose this option to build a kernel for release 1 or later of the
1240 MIPS64 architecture. Many modern embedded systems with a 64-bit
1241 MIPS processor are based on a MIPS64 processor. If you know the
1242 specific type of processor in your system, choose those that one
1243 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1244 Release 2 of the MIPS64 architecture is available since several
1245 years so chances are you even have a MIPS64 Release 2 processor
1246 in which case you should choose CPU_MIPS64_R2 instead for better
1247 performance.
1248
1249 config CPU_MIPS64_R2
1250 bool "MIPS64 Release 2"
1251 depends on SYS_HAS_CPU_MIPS64_R2
1252 select CPU_HAS_PREFETCH
1253 select CPU_SUPPORTS_32BIT_KERNEL
1254 select CPU_SUPPORTS_64BIT_KERNEL
1255 select CPU_SUPPORTS_HIGHMEM
1256 select CPU_SUPPORTS_HUGEPAGES
1257 help
1258 Choose this option to build a kernel for release 2 or later of the
1259 MIPS64 architecture. Many modern embedded systems with a 64-bit
1260 MIPS processor are based on a MIPS64 processor. If you know the
1261 specific type of processor in your system, choose those that one
1262 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1263
1264 config CPU_R3000
1265 bool "R3000"
1266 depends on SYS_HAS_CPU_R3000
1267 select CPU_HAS_WB
1268 select CPU_SUPPORTS_32BIT_KERNEL
1269 select CPU_SUPPORTS_HIGHMEM
1270 help
1271 Please make sure to pick the right CPU type. Linux/MIPS is not
1272 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1273 *not* work on R4000 machines and vice versa. However, since most
1274 of the supported machines have an R4000 (or similar) CPU, R4x00
1275 might be a safe bet. If the resulting kernel does not work,
1276 try to recompile with R3000.
1277
1278 config CPU_TX39XX
1279 bool "R39XX"
1280 depends on SYS_HAS_CPU_TX39XX
1281 select CPU_SUPPORTS_32BIT_KERNEL
1282
1283 config CPU_VR41XX
1284 bool "R41xx"
1285 depends on SYS_HAS_CPU_VR41XX
1286 select CPU_SUPPORTS_32BIT_KERNEL
1287 select CPU_SUPPORTS_64BIT_KERNEL
1288 help
1289 The options selects support for the NEC VR4100 series of processors.
1290 Only choose this option if you have one of these processors as a
1291 kernel built with this option will not run on any other type of
1292 processor or vice versa.
1293
1294 config CPU_R4300
1295 bool "R4300"
1296 depends on SYS_HAS_CPU_R4300
1297 select CPU_SUPPORTS_32BIT_KERNEL
1298 select CPU_SUPPORTS_64BIT_KERNEL
1299 help
1300 MIPS Technologies R4300-series processors.
1301
1302 config CPU_R4X00
1303 bool "R4x00"
1304 depends on SYS_HAS_CPU_R4X00
1305 select CPU_SUPPORTS_32BIT_KERNEL
1306 select CPU_SUPPORTS_64BIT_KERNEL
1307 help
1308 MIPS Technologies R4000-series processors other than 4300, including
1309 the R4000, R4400, R4600, and 4700.
1310
1311 config CPU_TX49XX
1312 bool "R49XX"
1313 depends on SYS_HAS_CPU_TX49XX
1314 select CPU_HAS_PREFETCH
1315 select CPU_SUPPORTS_32BIT_KERNEL
1316 select CPU_SUPPORTS_64BIT_KERNEL
1317
1318 config CPU_R5000
1319 bool "R5000"
1320 depends on SYS_HAS_CPU_R5000
1321 select CPU_SUPPORTS_32BIT_KERNEL
1322 select CPU_SUPPORTS_64BIT_KERNEL
1323 help
1324 MIPS Technologies R5000-series processors other than the Nevada.
1325
1326 config CPU_R5432
1327 bool "R5432"
1328 depends on SYS_HAS_CPU_R5432
1329 select CPU_SUPPORTS_32BIT_KERNEL
1330 select CPU_SUPPORTS_64BIT_KERNEL
1331
1332 config CPU_R5500
1333 bool "R5500"
1334 depends on SYS_HAS_CPU_R5500
1335 select CPU_SUPPORTS_32BIT_KERNEL
1336 select CPU_SUPPORTS_64BIT_KERNEL
1337 select CPU_SUPPORTS_HUGEPAGES
1338 help
1339 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1340 instruction set.
1341
1342 config CPU_R6000
1343 bool "R6000"
1344 depends on EXPERIMENTAL
1345 depends on SYS_HAS_CPU_R6000
1346 select CPU_SUPPORTS_32BIT_KERNEL
1347 help
1348 MIPS Technologies R6000 and R6000A series processors. Note these
1349 processors are extremely rare and the support for them is incomplete.
1350
1351 config CPU_NEVADA
1352 bool "RM52xx"
1353 depends on SYS_HAS_CPU_NEVADA
1354 select CPU_SUPPORTS_32BIT_KERNEL
1355 select CPU_SUPPORTS_64BIT_KERNEL
1356 help
1357 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1358
1359 config CPU_R8000
1360 bool "R8000"
1361 depends on EXPERIMENTAL
1362 depends on SYS_HAS_CPU_R8000
1363 select CPU_HAS_PREFETCH
1364 select CPU_SUPPORTS_64BIT_KERNEL
1365 help
1366 MIPS Technologies R8000 processors. Note these processors are
1367 uncommon and the support for them is incomplete.
1368
1369 config CPU_R10000
1370 bool "R10000"
1371 depends on SYS_HAS_CPU_R10000
1372 select CPU_HAS_PREFETCH
1373 select CPU_SUPPORTS_32BIT_KERNEL
1374 select CPU_SUPPORTS_64BIT_KERNEL
1375 select CPU_SUPPORTS_HIGHMEM
1376 help
1377 MIPS Technologies R10000-series processors.
1378
1379 config CPU_RM7000
1380 bool "RM7000"
1381 depends on SYS_HAS_CPU_RM7000
1382 select CPU_HAS_PREFETCH
1383 select CPU_SUPPORTS_32BIT_KERNEL
1384 select CPU_SUPPORTS_64BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM
1386
1387 config CPU_RM9000
1388 bool "RM9000"
1389 depends on SYS_HAS_CPU_RM9000
1390 select CPU_HAS_PREFETCH
1391 select CPU_SUPPORTS_32BIT_KERNEL
1392 select CPU_SUPPORTS_64BIT_KERNEL
1393 select CPU_SUPPORTS_HIGHMEM
1394 select WEAK_ORDERING
1395
1396 config CPU_SB1
1397 bool "SB1"
1398 depends on SYS_HAS_CPU_SB1
1399 select CPU_SUPPORTS_32BIT_KERNEL
1400 select CPU_SUPPORTS_64BIT_KERNEL
1401 select CPU_SUPPORTS_HIGHMEM
1402 select WEAK_ORDERING
1403
1404 config CPU_CAVIUM_OCTEON
1405 bool "Cavium Octeon processor"
1406 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1407 select CPU_HAS_PREFETCH
1408 select CPU_SUPPORTS_64BIT_KERNEL
1409 select SYS_SUPPORTS_SMP
1410 select NR_CPUS_DEFAULT_16
1411 select WEAK_ORDERING
1412 select CPU_SUPPORTS_HIGHMEM
1413 select CPU_SUPPORTS_HUGEPAGES
1414 help
1415 The Cavium Octeon processor is a highly integrated chip containing
1416 many ethernet hardware widgets for networking tasks. The processor
1417 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1418 Full details can be found at http://www.caviumnetworks.com.
1419
1420 config CPU_BMIPS3300
1421 bool "BMIPS3300"
1422 depends on SYS_HAS_CPU_BMIPS3300
1423 select DMA_NONCOHERENT
1424 select IRQ_CPU
1425 select SWAP_IO_SPACE
1426 select SYS_SUPPORTS_32BIT_KERNEL
1427 select WEAK_ORDERING
1428 help
1429 Broadcom BMIPS3300 processors.
1430
1431 config CPU_BMIPS4350
1432 bool "BMIPS4350"
1433 depends on SYS_HAS_CPU_BMIPS4350
1434 select CPU_SUPPORTS_32BIT_KERNEL
1435 select DMA_NONCOHERENT
1436 select IRQ_CPU
1437 select SWAP_IO_SPACE
1438 select SYS_SUPPORTS_SMP
1439 select SYS_SUPPORTS_HOTPLUG_CPU
1440 select WEAK_ORDERING
1441 help
1442 Broadcom BMIPS4350 ("VIPER") processors.
1443
1444 config CPU_BMIPS4380
1445 bool "BMIPS4380"
1446 depends on SYS_HAS_CPU_BMIPS4380
1447 select CPU_SUPPORTS_32BIT_KERNEL
1448 select DMA_NONCOHERENT
1449 select IRQ_CPU
1450 select SWAP_IO_SPACE
1451 select SYS_SUPPORTS_SMP
1452 select SYS_SUPPORTS_HOTPLUG_CPU
1453 select WEAK_ORDERING
1454 help
1455 Broadcom BMIPS4380 processors.
1456
1457 config CPU_BMIPS5000
1458 bool "BMIPS5000"
1459 depends on SYS_HAS_CPU_BMIPS5000
1460 select CPU_SUPPORTS_32BIT_KERNEL
1461 select CPU_SUPPORTS_HIGHMEM
1462 select DMA_NONCOHERENT
1463 select IRQ_CPU
1464 select SWAP_IO_SPACE
1465 select SYS_SUPPORTS_SMP
1466 select SYS_SUPPORTS_HOTPLUG_CPU
1467 select WEAK_ORDERING
1468 help
1469 Broadcom BMIPS5000 processors.
1470
1471 config CPU_XLR
1472 bool "Netlogic XLR SoC"
1473 depends on SYS_HAS_CPU_XLR
1474 select CPU_SUPPORTS_32BIT_KERNEL
1475 select CPU_SUPPORTS_64BIT_KERNEL
1476 select CPU_SUPPORTS_HIGHMEM
1477 select WEAK_ORDERING
1478 select WEAK_REORDERING_BEYOND_LLSC
1479 select CPU_SUPPORTS_HUGEPAGES
1480 help
1481 Netlogic Microsystems XLR/XLS processors.
1482 endchoice
1483
1484 if CPU_LOONGSON2F
1485 config CPU_NOP_WORKAROUNDS
1486 bool
1487
1488 config CPU_JUMP_WORKAROUNDS
1489 bool
1490
1491 config CPU_LOONGSON2F_WORKAROUNDS
1492 bool "Loongson 2F Workarounds"
1493 default y
1494 select CPU_NOP_WORKAROUNDS
1495 select CPU_JUMP_WORKAROUNDS
1496 help
1497 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1498 require workarounds. Without workarounds the system may hang
1499 unexpectedly. For more information please refer to the gas
1500 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1501
1502 Loongson 2F03 and later have fixed these issues and no workarounds
1503 are needed. The workarounds have no significant side effect on them
1504 but may decrease the performance of the system so this option should
1505 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1506 systems.
1507
1508 If unsure, please say Y.
1509 endif # CPU_LOONGSON2F
1510
1511 config SYS_SUPPORTS_ZBOOT
1512 bool
1513 select HAVE_KERNEL_GZIP
1514 select HAVE_KERNEL_BZIP2
1515 select HAVE_KERNEL_LZMA
1516 select HAVE_KERNEL_LZO
1517
1518 config SYS_SUPPORTS_ZBOOT_UART16550
1519 bool
1520 select SYS_SUPPORTS_ZBOOT
1521
1522 config CPU_LOONGSON2
1523 bool
1524 select CPU_SUPPORTS_32BIT_KERNEL
1525 select CPU_SUPPORTS_64BIT_KERNEL
1526 select CPU_SUPPORTS_HIGHMEM
1527
1528 config SYS_HAS_CPU_LOONGSON2E
1529 bool
1530
1531 config SYS_HAS_CPU_LOONGSON2F
1532 bool
1533 select CPU_SUPPORTS_CPUFREQ
1534 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1535 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1536
1537 config SYS_HAS_CPU_MIPS32_R1
1538 bool
1539
1540 config SYS_HAS_CPU_MIPS32_R2
1541 bool
1542
1543 config SYS_HAS_CPU_MIPS64_R1
1544 bool
1545
1546 config SYS_HAS_CPU_MIPS64_R2
1547 bool
1548
1549 config SYS_HAS_CPU_R3000
1550 bool
1551
1552 config SYS_HAS_CPU_TX39XX
1553 bool
1554
1555 config SYS_HAS_CPU_VR41XX
1556 bool
1557
1558 config SYS_HAS_CPU_R4300
1559 bool
1560
1561 config SYS_HAS_CPU_R4X00
1562 bool
1563
1564 config SYS_HAS_CPU_TX49XX
1565 bool
1566
1567 config SYS_HAS_CPU_R5000
1568 bool
1569
1570 config SYS_HAS_CPU_R5432
1571 bool
1572
1573 config SYS_HAS_CPU_R5500
1574 bool
1575
1576 config SYS_HAS_CPU_R6000
1577 bool
1578
1579 config SYS_HAS_CPU_NEVADA
1580 bool
1581
1582 config SYS_HAS_CPU_R8000
1583 bool
1584
1585 config SYS_HAS_CPU_R10000
1586 bool
1587
1588 config SYS_HAS_CPU_RM7000
1589 bool
1590
1591 config SYS_HAS_CPU_RM9000
1592 bool
1593
1594 config SYS_HAS_CPU_SB1
1595 bool
1596
1597 config SYS_HAS_CPU_CAVIUM_OCTEON
1598 bool
1599
1600 config SYS_HAS_CPU_BMIPS3300
1601 bool
1602
1603 config SYS_HAS_CPU_BMIPS4350
1604 bool
1605
1606 config SYS_HAS_CPU_BMIPS4380
1607 bool
1608
1609 config SYS_HAS_CPU_BMIPS5000
1610 bool
1611
1612 config SYS_HAS_CPU_XLR
1613 bool
1614
1615 #
1616 # CPU may reorder R->R, R->W, W->R, W->W
1617 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1618 #
1619 config WEAK_ORDERING
1620 bool
1621
1622 #
1623 # CPU may reorder reads and writes beyond LL/SC
1624 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1625 #
1626 config WEAK_REORDERING_BEYOND_LLSC
1627 bool
1628 endmenu
1629
1630 #
1631 # These two indicate any level of the MIPS32 and MIPS64 architecture
1632 #
1633 config CPU_MIPS32
1634 bool
1635 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1636
1637 config CPU_MIPS64
1638 bool
1639 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1640
1641 #
1642 # These two indicate the revision of the architecture, either Release 1 or Release 2
1643 #
1644 config CPU_MIPSR1
1645 bool
1646 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1647
1648 config CPU_MIPSR2
1649 bool
1650 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1651
1652 config SYS_SUPPORTS_32BIT_KERNEL
1653 bool
1654 config SYS_SUPPORTS_64BIT_KERNEL
1655 bool
1656 config CPU_SUPPORTS_32BIT_KERNEL
1657 bool
1658 config CPU_SUPPORTS_64BIT_KERNEL
1659 bool
1660 config CPU_SUPPORTS_CPUFREQ
1661 bool
1662 config CPU_SUPPORTS_ADDRWINCFG
1663 bool
1664 config CPU_SUPPORTS_HUGEPAGES
1665 bool
1666 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1667 bool
1668 config MIPS_PGD_C0_CONTEXT
1669 bool
1670 default y if 64BIT && CPU_MIPSR2
1671
1672 #
1673 # Set to y for ptrace access to watch registers.
1674 #
1675 config HARDWARE_WATCHPOINTS
1676 bool
1677 default y if CPU_MIPSR1 || CPU_MIPSR2
1678
1679 menu "Kernel type"
1680
1681 choice
1682
1683 prompt "Kernel code model"
1684 help
1685 You should only select this option if you have a workload that
1686 actually benefits from 64-bit processing or if your machine has
1687 large memory. You will only be presented a single option in this
1688 menu if your system does not support both 32-bit and 64-bit kernels.
1689
1690 config 32BIT
1691 bool "32-bit kernel"
1692 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1693 select TRAD_SIGNALS
1694 help
1695 Select this option if you want to build a 32-bit kernel.
1696 config 64BIT
1697 bool "64-bit kernel"
1698 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1699 select HAVE_SYSCALL_WRAPPERS
1700 help
1701 Select this option if you want to build a 64-bit kernel.
1702
1703 endchoice
1704
1705 choice
1706 prompt "Kernel page size"
1707 default PAGE_SIZE_4KB
1708
1709 config PAGE_SIZE_4KB
1710 bool "4kB"
1711 depends on !CPU_LOONGSON2
1712 help
1713 This option select the standard 4kB Linux page size. On some
1714 R3000-family processors this is the only available page size. Using
1715 4kB page size will minimize memory consumption and is therefore
1716 recommended for low memory systems.
1717
1718 config PAGE_SIZE_8KB
1719 bool "8kB"
1720 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1721 help
1722 Using 8kB page size will result in higher performance kernel at
1723 the price of higher memory consumption. This option is available
1724 only on R8000 and cnMIPS processors. Note that you will need a
1725 suitable Linux distribution to support this.
1726
1727 config PAGE_SIZE_16KB
1728 bool "16kB"
1729 depends on !CPU_R3000 && !CPU_TX39XX
1730 help
1731 Using 16kB page size will result in higher performance kernel at
1732 the price of higher memory consumption. This option is available on
1733 all non-R3000 family processors. Note that you will need a suitable
1734 Linux distribution to support this.
1735
1736 config PAGE_SIZE_32KB
1737 bool "32kB"
1738 depends on CPU_CAVIUM_OCTEON
1739 help
1740 Using 32kB page size will result in higher performance kernel at
1741 the price of higher memory consumption. This option is available
1742 only on cnMIPS cores. Note that you will need a suitable Linux
1743 distribution to support this.
1744
1745 config PAGE_SIZE_64KB
1746 bool "64kB"
1747 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1748 help
1749 Using 64kB page size will result in higher performance kernel at
1750 the price of higher memory consumption. This option is available on
1751 all non-R3000 family processor. Not that at the time of this
1752 writing this option is still high experimental.
1753
1754 endchoice
1755
1756 config FORCE_MAX_ZONEORDER
1757 int "Maximum zone order"
1758 range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
1759 default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
1760 range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
1761 default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
1762 range 11 64
1763 default "11"
1764 help
1765 The kernel memory allocator divides physically contiguous memory
1766 blocks into "zones", where each zone is a power of two number of
1767 pages. This option selects the largest power of two that the kernel
1768 keeps in the memory allocator. If you need to allocate very large
1769 blocks of physically contiguous memory, then you may need to
1770 increase this value.
1771
1772 This config option is actually maximum order plus one. For example,
1773 a value of 11 means that the largest free memory block is 2^10 pages.
1774
1775 The page size is not necessarily 4KB. Keep this in mind
1776 when choosing a value for this option.
1777
1778 config BOARD_SCACHE
1779 bool
1780
1781 config IP22_CPU_SCACHE
1782 bool
1783 select BOARD_SCACHE
1784
1785 #
1786 # Support for a MIPS32 / MIPS64 style S-caches
1787 #
1788 config MIPS_CPU_SCACHE
1789 bool
1790 select BOARD_SCACHE
1791
1792 config R5000_CPU_SCACHE
1793 bool
1794 select BOARD_SCACHE
1795
1796 config RM7000_CPU_SCACHE
1797 bool
1798 select BOARD_SCACHE
1799
1800 config SIBYTE_DMA_PAGEOPS
1801 bool "Use DMA to clear/copy pages"
1802 depends on CPU_SB1
1803 help
1804 Instead of using the CPU to zero and copy pages, use a Data Mover
1805 channel. These DMA channels are otherwise unused by the standard
1806 SiByte Linux port. Seems to give a small performance benefit.
1807
1808 config CPU_HAS_PREFETCH
1809 bool
1810
1811 choice
1812 prompt "MIPS MT options"
1813
1814 config MIPS_MT_DISABLED
1815 bool "Disable multithreading support."
1816 help
1817 Use this option if your workload can't take advantage of
1818 MIPS hardware multithreading support. On systems that don't have
1819 the option of an MT-enabled processor this option will be the only
1820 option in this menu.
1821
1822 config MIPS_MT_SMP
1823 bool "Use 1 TC on each available VPE for SMP"
1824 depends on SYS_SUPPORTS_MULTITHREADING
1825 select CPU_MIPSR2_IRQ_VI
1826 select CPU_MIPSR2_IRQ_EI
1827 select MIPS_MT
1828 select NR_CPUS_DEFAULT_2
1829 select SMP
1830 select SYS_SUPPORTS_SCHED_SMT if SMP
1831 select SYS_SUPPORTS_SMP
1832 select SMP_UP
1833 help
1834 This is a kernel model which is known a VSMP but lately has been
1835 marketesed into SMVP.
1836 Virtual SMP uses the processor's VPEs to implement virtual
1837 processors. In currently available configuration of the 34K processor
1838 this allows for a dual processor. Both processors will share the same
1839 primary caches; each will obtain the half of the TLB for it's own
1840 exclusive use. For a layman this model can be described as similar to
1841 what Intel calls Hyperthreading.
1842
1843 For further information see http://www.linux-mips.org/wiki/34K#VSMP
1844
1845 config MIPS_MT_SMTC
1846 bool "SMTC: Use all TCs on all VPEs for SMP"
1847 depends on CPU_MIPS32_R2
1848 #depends on CPU_MIPS64_R2 # once there is hardware ...
1849 depends on SYS_SUPPORTS_MULTITHREADING
1850 select CPU_MIPSR2_IRQ_VI
1851 select CPU_MIPSR2_IRQ_EI
1852 select MIPS_MT
1853 select NR_CPUS_DEFAULT_8
1854 select SMP
1855 select SYS_SUPPORTS_SMP
1856 select SMP_UP
1857 help
1858 This is a kernel model which is known a SMTC or lately has been
1859 marketesed into SMVP.
1860 is presenting the available TC's of the core as processors to Linux.
1861 On currently available 34K processors this means a Linux system will
1862 see up to 5 processors. The implementation of the SMTC kernel differs
1863 significantly from VSMP and cannot efficiently coexist in the same
1864 kernel binary so the choice between VSMP and SMTC is a compile time
1865 decision.
1866
1867 For further information see http://www.linux-mips.org/wiki/34K#SMTC
1868
1869 endchoice
1870
1871 config MIPS_MT
1872 bool
1873
1874 config SCHED_SMT
1875 bool "SMT (multithreading) scheduler support"
1876 depends on SYS_SUPPORTS_SCHED_SMT
1877 default n
1878 help
1879 SMT scheduler support improves the CPU scheduler's decision making
1880 when dealing with MIPS MT enabled cores at a cost of slightly
1881 increased overhead in some places. If unsure say N here.
1882
1883 config SYS_SUPPORTS_SCHED_SMT
1884 bool
1885
1886
1887 config SYS_SUPPORTS_MULTITHREADING
1888 bool
1889
1890 config MIPS_MT_FPAFF
1891 bool "Dynamic FPU affinity for FP-intensive threads"
1892 default y
1893 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1894
1895 config MIPS_VPE_LOADER
1896 bool "VPE loader support."
1897 depends on SYS_SUPPORTS_MULTITHREADING
1898 select CPU_MIPSR2_IRQ_VI
1899 select CPU_MIPSR2_IRQ_EI
1900 select MIPS_MT
1901 help
1902 Includes a loader for loading an elf relocatable object
1903 onto another VPE and running it.
1904
1905 config MIPS_MT_SMTC_IM_BACKSTOP
1906 bool "Use per-TC register bits as backstop for inhibited IM bits"
1907 depends on MIPS_MT_SMTC
1908 default n
1909 help
1910 To support multiple TC microthreads acting as "CPUs" within
1911 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1912 during interrupt handling. To support legacy drivers and interrupt
1913 controller management code, SMTC has a "backstop" to track and
1914 if necessary restore the interrupt mask. This has some performance
1915 impact on interrupt service overhead.
1916
1917 config MIPS_MT_SMTC_IRQAFF
1918 bool "Support IRQ affinity API"
1919 depends on MIPS_MT_SMTC
1920 default n
1921 help
1922 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1923 for SMTC Linux kernel. Requires platform support, of which
1924 an example can be found in the MIPS kernel i8259 and Malta
1925 platform code. Adds some overhead to interrupt dispatch, and
1926 should be used only if you know what you are doing.
1927
1928 config MIPS_VPE_LOADER_TOM
1929 bool "Load VPE program into memory hidden from linux"
1930 depends on MIPS_VPE_LOADER
1931 default y
1932 help
1933 The loader can use memory that is present but has been hidden from
1934 Linux using the kernel command line option "mem=xxMB". It's up to
1935 you to ensure the amount you put in the option and the space your
1936 program requires is less or equal to the amount physically present.
1937
1938 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1939 config MIPS_VPE_APSP_API
1940 bool "Enable support for AP/SP API (RTLX)"
1941 depends on MIPS_VPE_LOADER
1942 help
1943
1944 config MIPS_APSP_KSPD
1945 bool "Enable KSPD"
1946 depends on MIPS_VPE_APSP_API
1947 default y
1948 help
1949 KSPD is a kernel daemon that accepts syscall requests from the SP
1950 side, actions them and returns the results. It also handles the
1951 "exit" syscall notifying other kernel modules the SP program is
1952 exiting. You probably want to say yes here.
1953
1954 config MIPS_CMP
1955 bool "MIPS CMP framework support"
1956 depends on SYS_SUPPORTS_MIPS_CMP
1957 select SYNC_R4K
1958 select SYS_SUPPORTS_SMP
1959 select SYS_SUPPORTS_SCHED_SMT if SMP
1960 select WEAK_ORDERING
1961 default n
1962 help
1963 This is a placeholder option for the GCMP work. It will need to
1964 be handled differently...
1965
1966 config SB1_PASS_1_WORKAROUNDS
1967 bool
1968 depends on CPU_SB1_PASS_1
1969 default y
1970
1971 config SB1_PASS_2_WORKAROUNDS
1972 bool
1973 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1974 default y
1975
1976 config SB1_PASS_2_1_WORKAROUNDS
1977 bool
1978 depends on CPU_SB1 && CPU_SB1_PASS_2
1979 default y
1980
1981 config 64BIT_PHYS_ADDR
1982 bool
1983
1984 config ARCH_PHYS_ADDR_T_64BIT
1985 def_bool 64BIT_PHYS_ADDR
1986
1987 config CPU_HAS_SMARTMIPS
1988 depends on SYS_SUPPORTS_SMARTMIPS
1989 bool "Support for the SmartMIPS ASE"
1990 help
1991 SmartMIPS is a extension of the MIPS32 architecture aimed at
1992 increased security at both hardware and software level for
1993 smartcards. Enabling this option will allow proper use of the
1994 SmartMIPS instructions by Linux applications. However a kernel with
1995 this option will not work on a MIPS core without SmartMIPS core. If
1996 you don't know you probably don't have SmartMIPS and should say N
1997 here.
1998
1999 config CPU_HAS_WB
2000 bool
2001
2002 #
2003 # Vectored interrupt mode is an R2 feature
2004 #
2005 config CPU_MIPSR2_IRQ_VI
2006 bool
2007
2008 #
2009 # Extended interrupt mode is an R2 feature
2010 #
2011 config CPU_MIPSR2_IRQ_EI
2012 bool
2013
2014 config CPU_HAS_SYNC
2015 bool
2016 depends on !CPU_R3000
2017 default y
2018
2019 config GENERIC_CLOCKEVENTS_BROADCAST
2020 bool
2021
2022 #
2023 # CPU non-features
2024 #
2025 config CPU_DADDI_WORKAROUNDS
2026 bool
2027
2028 config CPU_R4000_WORKAROUNDS
2029 bool
2030 select CPU_R4400_WORKAROUNDS
2031
2032 config CPU_R4400_WORKAROUNDS
2033 bool
2034
2035 #
2036 # - Highmem only makes sense for the 32-bit kernel.
2037 # - The current highmem code will only work properly on physically indexed
2038 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2039 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2040 # moment we protect the user and offer the highmem option only on machines
2041 # where it's known to be safe. This will not offer highmem on a few systems
2042 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2043 # indexed CPUs but we're playing safe.
2044 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2045 # know they might have memory configurations that could make use of highmem
2046 # support.
2047 #
2048 config HIGHMEM
2049 bool "High Memory Support"
2050 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2051
2052 config CPU_SUPPORTS_HIGHMEM
2053 bool
2054
2055 config SYS_SUPPORTS_HIGHMEM
2056 bool
2057
2058 config SYS_SUPPORTS_SMARTMIPS
2059 bool
2060
2061 config ARCH_FLATMEM_ENABLE
2062 def_bool y
2063 depends on !NUMA && !CPU_LOONGSON2
2064
2065 config ARCH_DISCONTIGMEM_ENABLE
2066 bool
2067 default y if SGI_IP27
2068 help
2069 Say Y to support efficient handling of discontiguous physical memory,
2070 for architectures which are either NUMA (Non-Uniform Memory Access)
2071 or have huge holes in the physical address space for other reasons.
2072 See <file:Documentation/vm/numa> for more.
2073
2074 config ARCH_POPULATES_NODE_MAP
2075 def_bool y
2076
2077 config ARCH_SPARSEMEM_ENABLE
2078 bool
2079 select SPARSEMEM_STATIC
2080
2081 config NUMA
2082 bool "NUMA Support"
2083 depends on SYS_SUPPORTS_NUMA
2084 help
2085 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2086 Access). This option improves performance on systems with more
2087 than two nodes; on two node systems it is generally better to
2088 leave it disabled; on single node systems disable this option
2089 disabled.
2090
2091 config SYS_SUPPORTS_NUMA
2092 bool
2093
2094 config NODES_SHIFT
2095 int
2096 default "6"
2097 depends on NEED_MULTIPLE_NODES
2098
2099 config HW_PERF_EVENTS
2100 bool "Enable hardware performance counter support for perf events"
2101 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
2102 default y
2103 help
2104 Enable hardware performance counter support for perf events. If
2105 disabled, perf events will use software events only.
2106
2107 source "mm/Kconfig"
2108
2109 config SMP
2110 bool "Multi-Processing support"
2111 depends on SYS_SUPPORTS_SMP
2112 select IRQ_PER_CPU
2113 select USE_GENERIC_SMP_HELPERS
2114 help
2115 This enables support for systems with more than one CPU. If you have
2116 a system with only one CPU, like most personal computers, say N. If
2117 you have a system with more than one CPU, say Y.
2118
2119 If you say N here, the kernel will run on single and multiprocessor
2120 machines, but will use only one CPU of a multiprocessor machine. If
2121 you say Y here, the kernel will run on many, but not all,
2122 singleprocessor machines. On a singleprocessor machine, the kernel
2123 will run faster if you say N here.
2124
2125 People using multiprocessor machines who say Y here should also say
2126 Y to "Enhanced Real Time Clock Support", below.
2127
2128 See also the SMP-HOWTO available at
2129 <http://www.tldp.org/docs.html#howto>.
2130
2131 If you don't know what to do here, say N.
2132
2133 config SMP_UP
2134 bool
2135
2136 config SYS_SUPPORTS_MIPS_CMP
2137 bool
2138
2139 config SYS_SUPPORTS_SMP
2140 bool
2141
2142 config NR_CPUS_DEFAULT_1
2143 bool
2144
2145 config NR_CPUS_DEFAULT_2
2146 bool
2147
2148 config NR_CPUS_DEFAULT_4
2149 bool
2150
2151 config NR_CPUS_DEFAULT_8
2152 bool
2153
2154 config NR_CPUS_DEFAULT_16
2155 bool
2156
2157 config NR_CPUS_DEFAULT_32
2158 bool
2159
2160 config NR_CPUS_DEFAULT_64
2161 bool
2162
2163 config NR_CPUS
2164 int "Maximum number of CPUs (2-64)"
2165 range 1 64 if NR_CPUS_DEFAULT_1
2166 depends on SMP
2167 default "1" if NR_CPUS_DEFAULT_1
2168 default "2" if NR_CPUS_DEFAULT_2
2169 default "4" if NR_CPUS_DEFAULT_4
2170 default "8" if NR_CPUS_DEFAULT_8
2171 default "16" if NR_CPUS_DEFAULT_16
2172 default "32" if NR_CPUS_DEFAULT_32
2173 default "64" if NR_CPUS_DEFAULT_64
2174 help
2175 This allows you to specify the maximum number of CPUs which this
2176 kernel will support. The maximum supported value is 32 for 32-bit
2177 kernel and 64 for 64-bit kernels; the minimum value which makes
2178 sense is 1 for Qemu (useful only for kernel debugging purposes)
2179 and 2 for all others.
2180
2181 This is purely to save memory - each supported CPU adds
2182 approximately eight kilobytes to the kernel image. For best
2183 performance should round up your number of processors to the next
2184 power of two.
2185
2186 source "kernel/time/Kconfig"
2187
2188 #
2189 # Timer Interrupt Frequency Configuration
2190 #
2191
2192 choice
2193 prompt "Timer frequency"
2194 default HZ_250
2195 help
2196 Allows the configuration of the timer frequency.
2197
2198 config HZ_48
2199 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2200
2201 config HZ_100
2202 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2203
2204 config HZ_128
2205 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2206
2207 config HZ_250
2208 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2209
2210 config HZ_256
2211 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2212
2213 config HZ_1000
2214 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2215
2216 config HZ_1024
2217 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2218
2219 endchoice
2220
2221 config SYS_SUPPORTS_48HZ
2222 bool
2223
2224 config SYS_SUPPORTS_100HZ
2225 bool
2226
2227 config SYS_SUPPORTS_128HZ
2228 bool
2229
2230 config SYS_SUPPORTS_250HZ
2231 bool
2232
2233 config SYS_SUPPORTS_256HZ
2234 bool
2235
2236 config SYS_SUPPORTS_1000HZ
2237 bool
2238
2239 config SYS_SUPPORTS_1024HZ
2240 bool
2241
2242 config SYS_SUPPORTS_ARBIT_HZ
2243 bool
2244 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2245 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2246 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2247 !SYS_SUPPORTS_1024HZ
2248
2249 config HZ
2250 int
2251 default 48 if HZ_48
2252 default 100 if HZ_100
2253 default 128 if HZ_128
2254 default 250 if HZ_250
2255 default 256 if HZ_256
2256 default 1000 if HZ_1000
2257 default 1024 if HZ_1024
2258
2259 source "kernel/Kconfig.preempt"
2260
2261 config MIPS_INSANE_LARGE
2262 bool "Support for large 64-bit configurations"
2263 depends on CPU_R10000 && 64BIT
2264 help
2265 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
2266 previous 64-bit processors which only supported 40 bit / 1TB. If you
2267 need processes of more than 1TB virtual address space, say Y here.
2268 This will result in additional memory usage, so it is not
2269 recommended for normal users.
2270
2271 config KEXEC
2272 bool "Kexec system call (EXPERIMENTAL)"
2273 depends on EXPERIMENTAL
2274 help
2275 kexec is a system call that implements the ability to shutdown your
2276 current kernel, and to start another kernel. It is like a reboot
2277 but it is independent of the system firmware. And like a reboot
2278 you can start any kernel with it, not just Linux.
2279
2280 The name comes from the similarity to the exec system call.
2281
2282 It is an ongoing process to be certain the hardware in a machine
2283 is properly shutdown, so do not be surprised if this code does not
2284 initially work for you. It may help to enable device hotplugging
2285 support. As of this writing the exact hardware interface is
2286 strongly in flux, so no good recommendation can be made.
2287
2288 config SECCOMP
2289 bool "Enable seccomp to safely compute untrusted bytecode"
2290 depends on PROC_FS
2291 default y
2292 help
2293 This kernel feature is useful for number crunching applications
2294 that may need to compute untrusted bytecode during their
2295 execution. By using pipes or other transports made available to
2296 the process as file descriptors supporting the read/write
2297 syscalls, it's possible to isolate those applications in
2298 their own address space using seccomp. Once seccomp is
2299 enabled via /proc/<pid>/seccomp, it cannot be disabled
2300 and the task is only allowed to execute a few safe syscalls
2301 defined by each seccomp mode.
2302
2303 If unsure, say Y. Only embedded should say N here.
2304
2305 config USE_OF
2306 bool "Flattened Device Tree support"
2307 select OF
2308 select OF_EARLY_FLATTREE
2309 help
2310 Include support for flattened device tree machine descriptions.
2311
2312 endmenu
2313
2314 config LOCKDEP_SUPPORT
2315 bool
2316 default y
2317
2318 config STACKTRACE_SUPPORT
2319 bool
2320 default y
2321
2322 source "init/Kconfig"
2323
2324 source "kernel/Kconfig.freezer"
2325
2326 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2327
2328 config HW_HAS_EISA
2329 bool
2330 config HW_HAS_PCI
2331 bool
2332
2333 config PCI
2334 bool "Support for PCI controller"
2335 depends on HW_HAS_PCI
2336 select PCI_DOMAINS
2337 help
2338 Find out whether you have a PCI motherboard. PCI is the name of a
2339 bus system, i.e. the way the CPU talks to the other stuff inside
2340 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2341 say Y, otherwise N.
2342
2343 config PCI_DOMAINS
2344 bool
2345
2346 source "drivers/pci/Kconfig"
2347
2348 #
2349 # ISA support is now enabled via select. Too many systems still have the one
2350 # or other ISA chip on the board that users don't know about so don't expect
2351 # users to choose the right thing ...
2352 #
2353 config ISA
2354 bool
2355
2356 config EISA
2357 bool "EISA support"
2358 depends on HW_HAS_EISA
2359 select ISA
2360 select GENERIC_ISA_DMA
2361 ---help---
2362 The Extended Industry Standard Architecture (EISA) bus was
2363 developed as an open alternative to the IBM MicroChannel bus.
2364
2365 The EISA bus provided some of the features of the IBM MicroChannel
2366 bus while maintaining backward compatibility with cards made for
2367 the older ISA bus. The EISA bus saw limited use between 1988 and
2368 1995 when it was made obsolete by the PCI bus.
2369
2370 Say Y here if you are building a kernel for an EISA-based machine.
2371
2372 Otherwise, say N.
2373
2374 source "drivers/eisa/Kconfig"
2375
2376 config TC
2377 bool "TURBOchannel support"
2378 depends on MACH_DECSTATION
2379 help
2380 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2381 processors. TURBOchannel programming specifications are available
2382 at:
2383 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2384 and:
2385 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2386 Linux driver support status is documented at:
2387 <http://www.linux-mips.org/wiki/DECstation>
2388
2389 #config ACCESSBUS
2390 # bool "Access.Bus support"
2391 # depends on TC
2392
2393 config MMU
2394 bool
2395 default y
2396
2397 config I8253
2398 bool
2399 select CLKSRC_I8253
2400 select CLKEVT_I8253
2401 select MIPS_EXTERNAL_TIMER
2402
2403 config ZONE_DMA32
2404 bool
2405
2406 source "drivers/pcmcia/Kconfig"
2407
2408 source "drivers/pci/hotplug/Kconfig"
2409
2410 config RAPIDIO
2411 bool "RapidIO support"
2412 depends on PCI
2413 default n
2414 help
2415 If you say Y here, the kernel will include drivers and
2416 infrastructure code to support RapidIO interconnect devices.
2417
2418 source "drivers/rapidio/Kconfig"
2419
2420 endmenu
2421
2422 menu "Executable file formats"
2423
2424 source "fs/Kconfig.binfmt"
2425
2426 config TRAD_SIGNALS
2427 bool
2428
2429 config MIPS32_COMPAT
2430 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2431 depends on 64BIT
2432 help
2433 Select this option if you want Linux/MIPS 32-bit binary
2434 compatibility. Since all software available for Linux/MIPS is
2435 currently 32-bit you should say Y here.
2436
2437 config COMPAT
2438 bool
2439 depends on MIPS32_COMPAT
2440 default y
2441
2442 config SYSVIPC_COMPAT
2443 bool
2444 depends on COMPAT && SYSVIPC
2445 default y
2446
2447 config MIPS32_O32
2448 bool "Kernel support for o32 binaries"
2449 depends on MIPS32_COMPAT
2450 help
2451 Select this option if you want to run o32 binaries. These are pure
2452 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2453 existing binaries are in this format.
2454
2455 If unsure, say Y.
2456
2457 config MIPS32_N32
2458 bool "Kernel support for n32 binaries"
2459 depends on MIPS32_COMPAT
2460 help
2461 Select this option if you want to run n32 binaries. These are
2462 64-bit binaries using 32-bit quantities for addressing and certain
2463 data that would normally be 64-bit. They are used in special
2464 cases.
2465
2466 If unsure, say N.
2467
2468 config BINFMT_ELF32
2469 bool
2470 default y if MIPS32_O32 || MIPS32_N32
2471
2472 endmenu
2473
2474 menu "Power management options"
2475
2476 config ARCH_HIBERNATION_POSSIBLE
2477 def_bool y
2478 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2479
2480 config ARCH_SUSPEND_POSSIBLE
2481 def_bool y
2482 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2483
2484 source "kernel/power/Kconfig"
2485
2486 endmenu
2487
2488 source "arch/mips/kernel/cpufreq/Kconfig"
2489
2490 source "net/Kconfig"
2491
2492 source "drivers/Kconfig"
2493
2494 source "fs/Kconfig"
2495
2496 source "arch/mips/Kconfig.debug"
2497
2498 source "security/Kconfig"
2499
2500 source "crypto/Kconfig"
2501
2502 source "lib/Kconfig"