Merge tag 'spi' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[deliverable/linux.git] / arch / mips / Kconfig
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 ARCH_HAVE_CUSTOM_GPIO_H
12 select HAVE_FUNCTION_TRACER
13 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
14 select HAVE_DYNAMIC_FTRACE
15 select HAVE_FTRACE_MCOUNT_RECORD
16 select HAVE_C_RECORDMCOUNT
17 select HAVE_FUNCTION_GRAPH_TRACER
18 select HAVE_KPROBES
19 select HAVE_KRETPROBES
20 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
21 select RTC_LIB if !MACH_LOONGSON
22 select GENERIC_ATOMIC64 if !64BIT
23 select HAVE_DMA_ATTRS
24 select HAVE_DMA_API_DEBUG
25 select HAVE_GENERIC_HARDIRQS
26 select GENERIC_IRQ_PROBE
27 select GENERIC_IRQ_SHOW
28 select HAVE_ARCH_JUMP_LABEL
29 select IRQ_FORCED_THREADING
30 select HAVE_MEMBLOCK
31 select HAVE_MEMBLOCK_NODE_MAP
32 select ARCH_DISCARD_MEMBLOCK
33 select GENERIC_SMP_IDLE_THREAD
34 select BUILDTIME_EXTABLE_SORT
35 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE
37
38 menu "Machine selection"
39
40 config ZONE_DMA
41 bool
42
43 choice
44 prompt "System type"
45 default SGI_IP22
46
47 config MIPS_ALCHEMY
48 bool "Alchemy processor based machines"
49 select 64BIT_PHYS_ADDR
50 select CEVT_R4K_LIB
51 select CSRC_R4K_LIB
52 select IRQ_CPU
53 select SYS_HAS_CPU_MIPS32_R1
54 select SYS_SUPPORTS_32BIT_KERNEL
55 select SYS_SUPPORTS_APM_EMULATION
56 select GENERIC_GPIO
57 select ARCH_WANT_OPTIONAL_GPIOLIB
58 select SYS_SUPPORTS_ZBOOT
59 select USB_ARCH_HAS_OHCI
60 select USB_ARCH_HAS_EHCI
61
62 config AR7
63 bool "Texas Instruments AR7"
64 select BOOT_ELF32
65 select DMA_NONCOHERENT
66 select CEVT_R4K
67 select CSRC_R4K
68 select IRQ_CPU
69 select NO_EXCEPT_FILL
70 select SWAP_IO_SPACE
71 select SYS_HAS_CPU_MIPS32_R1
72 select SYS_HAS_EARLY_PRINTK
73 select SYS_SUPPORTS_32BIT_KERNEL
74 select SYS_SUPPORTS_LITTLE_ENDIAN
75 select SYS_SUPPORTS_ZBOOT_UART16550
76 select ARCH_REQUIRE_GPIOLIB
77 select VLYNQ
78 help
79 Support for the Texas Instruments AR7 System-on-a-Chip
80 family: TNETD7100, 7200 and 7300.
81
82 config ATH79
83 bool "Atheros AR71XX/AR724X/AR913X based boards"
84 select ARCH_REQUIRE_GPIOLIB
85 select BOOT_RAW
86 select CEVT_R4K
87 select CSRC_R4K
88 select DMA_NONCOHERENT
89 select IRQ_CPU
90 select MIPS_MACHINE
91 select SYS_HAS_CPU_MIPS32_R2
92 select SYS_HAS_EARLY_PRINTK
93 select SYS_SUPPORTS_32BIT_KERNEL
94 select SYS_SUPPORTS_BIG_ENDIAN
95 help
96 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
97
98 config BCM47XX
99 bool "Broadcom BCM47XX based boards"
100 select CEVT_R4K
101 select CSRC_R4K
102 select DMA_NONCOHERENT
103 select HW_HAS_PCI
104 select IRQ_CPU
105 select SYS_SUPPORTS_32BIT_KERNEL
106 select SYS_SUPPORTS_LITTLE_ENDIAN
107 select GENERIC_GPIO
108 select SYS_HAS_EARLY_PRINTK
109 select CFE
110 help
111 Support for BCM47XX based boards
112
113 config BCM63XX
114 bool "Broadcom BCM63XX based boards"
115 select CEVT_R4K
116 select CSRC_R4K
117 select DMA_NONCOHERENT
118 select IRQ_CPU
119 select SYS_HAS_CPU_MIPS32_R1
120 select SYS_SUPPORTS_32BIT_KERNEL
121 select SYS_SUPPORTS_BIG_ENDIAN
122 select SYS_HAS_EARLY_PRINTK
123 select SWAP_IO_SPACE
124 select ARCH_REQUIRE_GPIOLIB
125 help
126 Support for BCM63XX based boards
127
128 config MIPS_COBALT
129 bool "Cobalt Server"
130 select CEVT_R4K
131 select CSRC_R4K
132 select CEVT_GT641XX
133 select DMA_NONCOHERENT
134 select HW_HAS_PCI
135 select I8253
136 select I8259
137 select IRQ_CPU
138 select IRQ_GT641XX
139 select PCI_GT64XXX_PCI0
140 select PCI
141 select SYS_HAS_CPU_NEVADA
142 select SYS_HAS_EARLY_PRINTK
143 select SYS_SUPPORTS_32BIT_KERNEL
144 select SYS_SUPPORTS_64BIT_KERNEL
145 select SYS_SUPPORTS_LITTLE_ENDIAN
146
147 config MACH_DECSTATION
148 bool "DECstations"
149 select BOOT_ELF32
150 select CEVT_DS1287
151 select CEVT_R4K
152 select CSRC_IOASIC
153 select CSRC_R4K
154 select CPU_DADDI_WORKAROUNDS if 64BIT
155 select CPU_R4000_WORKAROUNDS if 64BIT
156 select CPU_R4400_WORKAROUNDS if 64BIT
157 select DMA_NONCOHERENT
158 select NO_IOPORT
159 select IRQ_CPU
160 select SYS_HAS_CPU_R3000
161 select SYS_HAS_CPU_R4X00
162 select SYS_SUPPORTS_32BIT_KERNEL
163 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
164 select SYS_SUPPORTS_LITTLE_ENDIAN
165 select SYS_SUPPORTS_128HZ
166 select SYS_SUPPORTS_256HZ
167 select SYS_SUPPORTS_1024HZ
168 help
169 This enables support for DEC's MIPS based workstations. For details
170 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
171 DECstation porting pages on <http://decstation.unix-ag.org/>.
172
173 If you have one of the following DECstation Models you definitely
174 want to choose R4xx0 for the CPU Type:
175
176 DECstation 5000/50
177 DECstation 5000/150
178 DECstation 5000/260
179 DECsystem 5900/260
180
181 otherwise choose R3000.
182
183 config MACH_JAZZ
184 bool "Jazz family of machines"
185 select ARC
186 select ARC32
187 select ARCH_MAY_HAVE_PC_FDC
188 select CEVT_R4K
189 select CSRC_R4K
190 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
191 select GENERIC_ISA_DMA
192 select HAVE_PCSPKR_PLATFORM
193 select IRQ_CPU
194 select I8253
195 select I8259
196 select ISA
197 select SYS_HAS_CPU_R4X00
198 select SYS_SUPPORTS_32BIT_KERNEL
199 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
200 select SYS_SUPPORTS_100HZ
201 help
202 This a family of machines based on the MIPS R4030 chipset which was
203 used by several vendors to build RISC/os and Windows NT workstations.
204 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
205 Olivetti M700-10 workstations.
206
207 config MACH_JZ4740
208 bool "Ingenic JZ4740 based machines"
209 select SYS_HAS_CPU_MIPS32_R1
210 select SYS_SUPPORTS_32BIT_KERNEL
211 select SYS_SUPPORTS_LITTLE_ENDIAN
212 select DMA_NONCOHERENT
213 select IRQ_CPU
214 select GENERIC_GPIO
215 select ARCH_REQUIRE_GPIOLIB
216 select SYS_HAS_EARLY_PRINTK
217 select HAVE_PWM
218 select HAVE_CLK
219 select GENERIC_IRQ_CHIP
220
221 config LANTIQ
222 bool "Lantiq based platforms"
223 select DMA_NONCOHERENT
224 select IRQ_CPU
225 select CEVT_R4K
226 select CSRC_R4K
227 select SYS_HAS_CPU_MIPS32_R1
228 select SYS_HAS_CPU_MIPS32_R2
229 select SYS_SUPPORTS_BIG_ENDIAN
230 select SYS_SUPPORTS_32BIT_KERNEL
231 select SYS_SUPPORTS_MULTITHREADING
232 select SYS_HAS_EARLY_PRINTK
233 select ARCH_REQUIRE_GPIOLIB
234 select SWAP_IO_SPACE
235 select BOOT_RAW
236 select HAVE_MACH_CLKDEV
237 select CLKDEV_LOOKUP
238 select USE_OF
239
240 config LASAT
241 bool "LASAT Networks platforms"
242 select CEVT_R4K
243 select CSRC_R4K
244 select DMA_NONCOHERENT
245 select SYS_HAS_EARLY_PRINTK
246 select HW_HAS_PCI
247 select IRQ_CPU
248 select PCI_GT64XXX_PCI0
249 select MIPS_NILE4
250 select R5000_CPU_SCACHE
251 select SYS_HAS_CPU_R5000
252 select SYS_SUPPORTS_32BIT_KERNEL
253 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
254 select SYS_SUPPORTS_LITTLE_ENDIAN
255
256 config MACH_LOONGSON
257 bool "Loongson family of machines"
258 select SYS_SUPPORTS_ZBOOT
259 help
260 This enables the support of Loongson family of machines.
261
262 Loongson is a family of general-purpose MIPS-compatible CPUs.
263 developed at Institute of Computing Technology (ICT),
264 Chinese Academy of Sciences (CAS) in the People's Republic
265 of China. The chief architect is Professor Weiwu Hu.
266
267 config MIPS_MALTA
268 bool "MIPS Malta board"
269 select ARCH_MAY_HAVE_PC_FDC
270 select BOOT_ELF32
271 select BOOT_RAW
272 select CEVT_R4K
273 select CSRC_R4K
274 select DMA_NONCOHERENT
275 select GENERIC_ISA_DMA
276 select HAVE_PCSPKR_PLATFORM
277 select IRQ_CPU
278 select IRQ_GIC
279 select HW_HAS_PCI
280 select I8253
281 select I8259
282 select MIPS_BOARDS_GEN
283 select MIPS_BONITO64
284 select MIPS_CPU_SCACHE
285 select PCI_GT64XXX_PCI0
286 select MIPS_MSC
287 select SWAP_IO_SPACE
288 select SYS_HAS_CPU_MIPS32_R1
289 select SYS_HAS_CPU_MIPS32_R2
290 select SYS_HAS_CPU_MIPS64_R1
291 select SYS_HAS_CPU_MIPS64_R2
292 select SYS_HAS_CPU_NEVADA
293 select SYS_HAS_CPU_RM7000
294 select SYS_HAS_EARLY_PRINTK
295 select SYS_SUPPORTS_32BIT_KERNEL
296 select SYS_SUPPORTS_64BIT_KERNEL
297 select SYS_SUPPORTS_BIG_ENDIAN
298 select SYS_SUPPORTS_LITTLE_ENDIAN
299 select SYS_SUPPORTS_MIPS_CMP
300 select SYS_SUPPORTS_MULTITHREADING
301 select SYS_SUPPORTS_SMARTMIPS
302 select SYS_SUPPORTS_ZBOOT
303 help
304 This enables support for the MIPS Technologies Malta evaluation
305 board.
306
307 config MIPS_SIM
308 bool 'MIPS simulator (MIPSsim)'
309 select CEVT_R4K
310 select CSRC_R4K
311 select DMA_NONCOHERENT
312 select SYS_HAS_EARLY_PRINTK
313 select IRQ_CPU
314 select BOOT_RAW
315 select SYS_HAS_CPU_MIPS32_R1
316 select SYS_HAS_CPU_MIPS32_R2
317 select SYS_HAS_EARLY_PRINTK
318 select SYS_SUPPORTS_32BIT_KERNEL
319 select SYS_SUPPORTS_BIG_ENDIAN
320 select SYS_SUPPORTS_MULTITHREADING
321 select SYS_SUPPORTS_LITTLE_ENDIAN
322 help
323 This option enables support for MIPS Technologies MIPSsim software
324 emulator.
325
326 config NEC_MARKEINS
327 bool "NEC EMMA2RH Mark-eins board"
328 select SOC_EMMA2RH
329 select HW_HAS_PCI
330 help
331 This enables support for the NEC Electronics Mark-eins boards.
332
333 config MACH_VR41XX
334 bool "NEC VR4100 series based machines"
335 select CEVT_R4K
336 select CSRC_R4K
337 select SYS_HAS_CPU_VR41XX
338 select ARCH_REQUIRE_GPIOLIB
339
340 config NXP_STB220
341 bool "NXP STB220 board"
342 select SOC_PNX833X
343 help
344 Support for NXP Semiconductors STB220 Development Board.
345
346 config NXP_STB225
347 bool "NXP 225 board"
348 select SOC_PNX833X
349 select SOC_PNX8335
350 help
351 Support for NXP Semiconductors STB225 Development Board.
352
353 config PNX8550_JBS
354 bool "NXP PNX8550 based JBS board"
355 select PNX8550
356 select SYS_SUPPORTS_LITTLE_ENDIAN
357
358 config PNX8550_STB810
359 bool "NXP PNX8550 based STB810 board"
360 select PNX8550
361 select SYS_SUPPORTS_LITTLE_ENDIAN
362
363 config PMC_MSP
364 bool "PMC-Sierra MSP chipsets"
365 depends on EXPERIMENTAL
366 select CEVT_R4K
367 select CSRC_R4K
368 select DMA_NONCOHERENT
369 select SWAP_IO_SPACE
370 select NO_EXCEPT_FILL
371 select BOOT_RAW
372 select SYS_HAS_CPU_MIPS32_R1
373 select SYS_HAS_CPU_MIPS32_R2
374 select SYS_SUPPORTS_32BIT_KERNEL
375 select SYS_SUPPORTS_BIG_ENDIAN
376 select IRQ_CPU
377 select SERIAL_8250
378 select SERIAL_8250_CONSOLE
379 help
380 This adds support for the PMC-Sierra family of Multi-Service
381 Processor System-On-A-Chips. These parts include a number
382 of integrated peripherals, interfaces and DSPs in addition to
383 a variety of MIPS cores.
384
385 config PMC_YOSEMITE
386 bool "PMC-Sierra Yosemite eval board"
387 select CEVT_R4K
388 select CSRC_R4K
389 select DMA_COHERENT
390 select HW_HAS_PCI
391 select IRQ_CPU
392 select IRQ_CPU_RM7K
393 select IRQ_CPU_RM9K
394 select SWAP_IO_SPACE
395 select SYS_HAS_CPU_RM9000
396 select SYS_HAS_EARLY_PRINTK
397 select SYS_SUPPORTS_32BIT_KERNEL
398 select SYS_SUPPORTS_64BIT_KERNEL
399 select SYS_SUPPORTS_BIG_ENDIAN
400 select SYS_SUPPORTS_HIGHMEM
401 select SYS_SUPPORTS_SMP
402 help
403 Yosemite is an evaluation board for the RM9000x2 processor
404 manufactured by PMC-Sierra.
405
406 config POWERTV
407 bool "Cisco PowerTV"
408 select BOOT_ELF32
409 select CEVT_R4K
410 select CPU_MIPSR2_IRQ_VI
411 select CPU_MIPSR2_IRQ_EI
412 select CSRC_POWERTV
413 select DMA_NONCOHERENT
414 select HW_HAS_PCI
415 select SYS_HAS_EARLY_PRINTK
416 select SYS_HAS_CPU_MIPS32_R2
417 select SYS_SUPPORTS_32BIT_KERNEL
418 select SYS_SUPPORTS_BIG_ENDIAN
419 select SYS_SUPPORTS_HIGHMEM
420 select USB_OHCI_LITTLE_ENDIAN
421 help
422 This enables support for the Cisco PowerTV Platform.
423
424 config SGI_IP22
425 bool "SGI IP22 (Indy/Indigo2)"
426 select ARC
427 select ARC32
428 select BOOT_ELF32
429 select CEVT_R4K
430 select CSRC_R4K
431 select DEFAULT_SGI_PARTITION
432 select DMA_NONCOHERENT
433 select HW_HAS_EISA
434 select I8253
435 select I8259
436 select IP22_CPU_SCACHE
437 select IRQ_CPU
438 select GENERIC_ISA_DMA_SUPPORT_BROKEN
439 select SGI_HAS_I8042
440 select SGI_HAS_INDYDOG
441 select SGI_HAS_HAL2
442 select SGI_HAS_SEEQ
443 select SGI_HAS_WD93
444 select SGI_HAS_ZILOG
445 select SWAP_IO_SPACE
446 select SYS_HAS_CPU_R4X00
447 select SYS_HAS_CPU_R5000
448 #
449 # Disable EARLY_PRINTK for now since it leads to overwritten prom
450 # memory during early boot on some machines.
451 #
452 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
453 # for a more details discussion
454 #
455 # select SYS_HAS_EARLY_PRINTK
456 select SYS_SUPPORTS_32BIT_KERNEL
457 select SYS_SUPPORTS_64BIT_KERNEL
458 select SYS_SUPPORTS_BIG_ENDIAN
459 help
460 This are the SGI Indy, Challenge S and Indigo2, as well as certain
461 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
462 that runs on these, say Y here.
463
464 config SGI_IP27
465 bool "SGI IP27 (Origin200/2000)"
466 select ARC
467 select ARC64
468 select BOOT_ELF64
469 select DEFAULT_SGI_PARTITION
470 select DMA_COHERENT
471 select SYS_HAS_EARLY_PRINTK
472 select HW_HAS_PCI
473 select NR_CPUS_DEFAULT_64
474 select SYS_HAS_CPU_R10000
475 select SYS_SUPPORTS_64BIT_KERNEL
476 select SYS_SUPPORTS_BIG_ENDIAN
477 select SYS_SUPPORTS_NUMA
478 select SYS_SUPPORTS_SMP
479 help
480 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
481 workstations. To compile a Linux kernel that runs on these, say Y
482 here.
483
484 config SGI_IP28
485 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
486 depends on EXPERIMENTAL
487 select ARC
488 select ARC64
489 select BOOT_ELF64
490 select CEVT_R4K
491 select CSRC_R4K
492 select DEFAULT_SGI_PARTITION
493 select DMA_NONCOHERENT
494 select GENERIC_ISA_DMA_SUPPORT_BROKEN
495 select IRQ_CPU
496 select HW_HAS_EISA
497 select I8253
498 select I8259
499 select SGI_HAS_I8042
500 select SGI_HAS_INDYDOG
501 select SGI_HAS_HAL2
502 select SGI_HAS_SEEQ
503 select SGI_HAS_WD93
504 select SGI_HAS_ZILOG
505 select SWAP_IO_SPACE
506 select SYS_HAS_CPU_R10000
507 #
508 # Disable EARLY_PRINTK for now since it leads to overwritten prom
509 # memory during early boot on some machines.
510 #
511 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
512 # for a more details discussion
513 #
514 # select SYS_HAS_EARLY_PRINTK
515 select SYS_SUPPORTS_64BIT_KERNEL
516 select SYS_SUPPORTS_BIG_ENDIAN
517 help
518 This is the SGI Indigo2 with R10000 processor. To compile a Linux
519 kernel that runs on these, say Y here.
520
521 config SGI_IP32
522 bool "SGI IP32 (O2)"
523 select ARC
524 select ARC32
525 select BOOT_ELF32
526 select CEVT_R4K
527 select CSRC_R4K
528 select DMA_NONCOHERENT
529 select HW_HAS_PCI
530 select IRQ_CPU
531 select R5000_CPU_SCACHE
532 select RM7000_CPU_SCACHE
533 select SYS_HAS_CPU_R5000
534 select SYS_HAS_CPU_R10000 if BROKEN
535 select SYS_HAS_CPU_RM7000
536 select SYS_HAS_CPU_NEVADA
537 select SYS_SUPPORTS_64BIT_KERNEL
538 select SYS_SUPPORTS_BIG_ENDIAN
539 help
540 If you want this kernel to run on SGI O2 workstation, say Y here.
541
542 config SIBYTE_CRHINE
543 bool "Sibyte BCM91120C-CRhine"
544 depends on EXPERIMENTAL
545 select BOOT_ELF32
546 select DMA_COHERENT
547 select SIBYTE_BCM1120
548 select SWAP_IO_SPACE
549 select SYS_HAS_CPU_SB1
550 select SYS_SUPPORTS_BIG_ENDIAN
551 select SYS_SUPPORTS_LITTLE_ENDIAN
552
553 config SIBYTE_CARMEL
554 bool "Sibyte BCM91120x-Carmel"
555 depends on EXPERIMENTAL
556 select BOOT_ELF32
557 select DMA_COHERENT
558 select SIBYTE_BCM1120
559 select SWAP_IO_SPACE
560 select SYS_HAS_CPU_SB1
561 select SYS_SUPPORTS_BIG_ENDIAN
562 select SYS_SUPPORTS_LITTLE_ENDIAN
563
564 config SIBYTE_CRHONE
565 bool "Sibyte BCM91125C-CRhone"
566 depends on EXPERIMENTAL
567 select BOOT_ELF32
568 select DMA_COHERENT
569 select SIBYTE_BCM1125
570 select SWAP_IO_SPACE
571 select SYS_HAS_CPU_SB1
572 select SYS_SUPPORTS_BIG_ENDIAN
573 select SYS_SUPPORTS_HIGHMEM
574 select SYS_SUPPORTS_LITTLE_ENDIAN
575
576 config SIBYTE_RHONE
577 bool "Sibyte BCM91125E-Rhone"
578 depends on EXPERIMENTAL
579 select BOOT_ELF32
580 select DMA_COHERENT
581 select SIBYTE_BCM1125H
582 select SWAP_IO_SPACE
583 select SYS_HAS_CPU_SB1
584 select SYS_SUPPORTS_BIG_ENDIAN
585 select SYS_SUPPORTS_LITTLE_ENDIAN
586
587 config SIBYTE_SWARM
588 bool "Sibyte BCM91250A-SWARM"
589 select BOOT_ELF32
590 select DMA_COHERENT
591 select HAVE_PATA_PLATFORM
592 select NR_CPUS_DEFAULT_2
593 select SIBYTE_SB1250
594 select SWAP_IO_SPACE
595 select SYS_HAS_CPU_SB1
596 select SYS_SUPPORTS_BIG_ENDIAN
597 select SYS_SUPPORTS_HIGHMEM
598 select SYS_SUPPORTS_LITTLE_ENDIAN
599 select ZONE_DMA32 if 64BIT
600
601 config SIBYTE_LITTLESUR
602 bool "Sibyte BCM91250C2-LittleSur"
603 depends on EXPERIMENTAL
604 select BOOT_ELF32
605 select DMA_COHERENT
606 select HAVE_PATA_PLATFORM
607 select NR_CPUS_DEFAULT_2
608 select SIBYTE_SB1250
609 select SWAP_IO_SPACE
610 select SYS_HAS_CPU_SB1
611 select SYS_SUPPORTS_BIG_ENDIAN
612 select SYS_SUPPORTS_HIGHMEM
613 select SYS_SUPPORTS_LITTLE_ENDIAN
614
615 config SIBYTE_SENTOSA
616 bool "Sibyte BCM91250E-Sentosa"
617 depends on EXPERIMENTAL
618 select BOOT_ELF32
619 select DMA_COHERENT
620 select NR_CPUS_DEFAULT_2
621 select SIBYTE_SB1250
622 select SWAP_IO_SPACE
623 select SYS_HAS_CPU_SB1
624 select SYS_SUPPORTS_BIG_ENDIAN
625 select SYS_SUPPORTS_LITTLE_ENDIAN
626
627 config SIBYTE_BIGSUR
628 bool "Sibyte BCM91480B-BigSur"
629 select BOOT_ELF32
630 select DMA_COHERENT
631 select NR_CPUS_DEFAULT_4
632 select SIBYTE_BCM1x80
633 select SWAP_IO_SPACE
634 select SYS_HAS_CPU_SB1
635 select SYS_SUPPORTS_BIG_ENDIAN
636 select SYS_SUPPORTS_HIGHMEM
637 select SYS_SUPPORTS_LITTLE_ENDIAN
638 select ZONE_DMA32 if 64BIT
639
640 config SNI_RM
641 bool "SNI RM200/300/400"
642 select ARC if CPU_LITTLE_ENDIAN
643 select ARC32 if CPU_LITTLE_ENDIAN
644 select SNIPROM if CPU_BIG_ENDIAN
645 select ARCH_MAY_HAVE_PC_FDC
646 select BOOT_ELF32
647 select CEVT_R4K
648 select CSRC_R4K
649 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
650 select DMA_NONCOHERENT
651 select GENERIC_ISA_DMA
652 select HAVE_PCSPKR_PLATFORM
653 select HW_HAS_EISA
654 select HW_HAS_PCI
655 select IRQ_CPU
656 select I8253
657 select I8259
658 select ISA
659 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
660 select SYS_HAS_CPU_R4X00
661 select SYS_HAS_CPU_R5000
662 select SYS_HAS_CPU_R10000
663 select R5000_CPU_SCACHE
664 select SYS_HAS_EARLY_PRINTK
665 select SYS_SUPPORTS_32BIT_KERNEL
666 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
667 select SYS_SUPPORTS_BIG_ENDIAN
668 select SYS_SUPPORTS_HIGHMEM
669 select SYS_SUPPORTS_LITTLE_ENDIAN
670 help
671 The SNI RM200/300/400 are MIPS-based machines manufactured by
672 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
673 Technology and now in turn merged with Fujitsu. Say Y here to
674 support this machine type.
675
676 config MACH_TX39XX
677 bool "Toshiba TX39 series based machines"
678
679 config MACH_TX49XX
680 bool "Toshiba TX49 series based machines"
681
682 config MIKROTIK_RB532
683 bool "Mikrotik RB532 boards"
684 select CEVT_R4K
685 select CSRC_R4K
686 select DMA_NONCOHERENT
687 select HW_HAS_PCI
688 select IRQ_CPU
689 select SYS_HAS_CPU_MIPS32_R1
690 select SYS_SUPPORTS_32BIT_KERNEL
691 select SYS_SUPPORTS_LITTLE_ENDIAN
692 select SWAP_IO_SPACE
693 select BOOT_RAW
694 select ARCH_REQUIRE_GPIOLIB
695 help
696 Support the Mikrotik(tm) RouterBoard 532 series,
697 based on the IDT RC32434 SoC.
698
699 config WR_PPMC
700 bool "Wind River PPMC board"
701 select CEVT_R4K
702 select CSRC_R4K
703 select IRQ_CPU
704 select BOOT_ELF32
705 select DMA_NONCOHERENT
706 select HW_HAS_PCI
707 select PCI_GT64XXX_PCI0
708 select SWAP_IO_SPACE
709 select SYS_HAS_CPU_MIPS32_R1
710 select SYS_HAS_CPU_MIPS32_R2
711 select SYS_HAS_CPU_MIPS64_R1
712 select SYS_HAS_CPU_NEVADA
713 select SYS_HAS_CPU_RM7000
714 select SYS_SUPPORTS_32BIT_KERNEL
715 select SYS_SUPPORTS_64BIT_KERNEL
716 select SYS_SUPPORTS_BIG_ENDIAN
717 select SYS_SUPPORTS_LITTLE_ENDIAN
718 help
719 This enables support for the Wind River MIPS32 4KC PPMC evaluation
720 board, which is based on GT64120 bridge chip.
721
722 config CAVIUM_OCTEON_SIMULATOR
723 bool "Cavium Networks Octeon Simulator"
724 select CEVT_R4K
725 select 64BIT_PHYS_ADDR
726 select DMA_COHERENT
727 select SYS_SUPPORTS_64BIT_KERNEL
728 select SYS_SUPPORTS_BIG_ENDIAN
729 select SYS_SUPPORTS_HOTPLUG_CPU
730 select SYS_HAS_CPU_CAVIUM_OCTEON
731 select HOLES_IN_ZONE
732 help
733 The Octeon simulator is software performance model of the Cavium
734 Octeon Processor. It supports simulating Octeon processors on x86
735 hardware.
736
737 config CAVIUM_OCTEON_REFERENCE_BOARD
738 bool "Cavium Networks Octeon reference board"
739 select CEVT_R4K
740 select 64BIT_PHYS_ADDR
741 select DMA_COHERENT
742 select SYS_SUPPORTS_64BIT_KERNEL
743 select SYS_SUPPORTS_BIG_ENDIAN
744 select SYS_SUPPORTS_HOTPLUG_CPU
745 select SYS_HAS_EARLY_PRINTK
746 select SYS_HAS_CPU_CAVIUM_OCTEON
747 select SWAP_IO_SPACE
748 select HW_HAS_PCI
749 select ARCH_SUPPORTS_MSI
750 select ZONE_DMA32
751 select USB_ARCH_HAS_OHCI
752 select USB_ARCH_HAS_EHCI
753 select HOLES_IN_ZONE
754 help
755 This option supports all of the Octeon reference boards from Cavium
756 Networks. It builds a kernel that dynamically determines the Octeon
757 CPU type and supports all known board reference implementations.
758 Some of the supported boards are:
759 EBT3000
760 EBH3000
761 EBH3100
762 Thunder
763 Kodama
764 Hikari
765 Say Y here for most Octeon reference boards.
766
767 config NLM_XLR_BOARD
768 bool "Netlogic XLR/XLS based systems"
769 depends on EXPERIMENTAL
770 select BOOT_ELF32
771 select NLM_COMMON
772 select SYS_HAS_CPU_XLR
773 select SYS_SUPPORTS_SMP
774 select HW_HAS_PCI
775 select SWAP_IO_SPACE
776 select SYS_SUPPORTS_32BIT_KERNEL
777 select SYS_SUPPORTS_64BIT_KERNEL
778 select 64BIT_PHYS_ADDR
779 select SYS_SUPPORTS_BIG_ENDIAN
780 select SYS_SUPPORTS_HIGHMEM
781 select DMA_COHERENT
782 select NR_CPUS_DEFAULT_32
783 select CEVT_R4K
784 select CSRC_R4K
785 select IRQ_CPU
786 select ARCH_SUPPORTS_MSI
787 select ZONE_DMA if 64BIT
788 select SYNC_R4K
789 select SYS_HAS_EARLY_PRINTK
790 help
791 Support for systems based on Netlogic XLR and XLS processors.
792 Say Y here if you have a XLR or XLS based board.
793
794 config NLM_XLP_BOARD
795 bool "Netlogic XLP based systems"
796 depends on EXPERIMENTAL
797 select BOOT_ELF32
798 select NLM_COMMON
799 select SYS_HAS_CPU_XLP
800 select SYS_SUPPORTS_SMP
801 select HW_HAS_PCI
802 select SWAP_IO_SPACE
803 select SYS_SUPPORTS_32BIT_KERNEL
804 select SYS_SUPPORTS_64BIT_KERNEL
805 select 64BIT_PHYS_ADDR
806 select SYS_SUPPORTS_BIG_ENDIAN
807 select SYS_SUPPORTS_LITTLE_ENDIAN
808 select SYS_SUPPORTS_HIGHMEM
809 select DMA_COHERENT
810 select NR_CPUS_DEFAULT_32
811 select CEVT_R4K
812 select CSRC_R4K
813 select IRQ_CPU
814 select ZONE_DMA if 64BIT
815 select SYNC_R4K
816 select SYS_HAS_EARLY_PRINTK
817 help
818 This board is based on Netlogic XLP Processor.
819 Say Y here if you have a XLP based board.
820
821 endchoice
822
823 source "arch/mips/alchemy/Kconfig"
824 source "arch/mips/ath79/Kconfig"
825 source "arch/mips/bcm47xx/Kconfig"
826 source "arch/mips/bcm63xx/Kconfig"
827 source "arch/mips/jazz/Kconfig"
828 source "arch/mips/jz4740/Kconfig"
829 source "arch/mips/lantiq/Kconfig"
830 source "arch/mips/lasat/Kconfig"
831 source "arch/mips/pmc-sierra/Kconfig"
832 source "arch/mips/powertv/Kconfig"
833 source "arch/mips/sgi-ip27/Kconfig"
834 source "arch/mips/sibyte/Kconfig"
835 source "arch/mips/txx9/Kconfig"
836 source "arch/mips/vr41xx/Kconfig"
837 source "arch/mips/cavium-octeon/Kconfig"
838 source "arch/mips/loongson/Kconfig"
839 source "arch/mips/netlogic/Kconfig"
840
841 endmenu
842
843 config RWSEM_GENERIC_SPINLOCK
844 bool
845 default y
846
847 config RWSEM_XCHGADD_ALGORITHM
848 bool
849
850 config ARCH_HAS_ILOG2_U32
851 bool
852 default n
853
854 config ARCH_HAS_ILOG2_U64
855 bool
856 default n
857
858 config GENERIC_HWEIGHT
859 bool
860 default y
861
862 config GENERIC_CALIBRATE_DELAY
863 bool
864 default y
865
866 config SCHED_OMIT_FRAME_POINTER
867 bool
868 default y
869
870 #
871 # Select some configuration options automatically based on user selections.
872 #
873 config ARC
874 bool
875
876 config ARCH_MAY_HAVE_PC_FDC
877 bool
878
879 config BOOT_RAW
880 bool
881
882 config CEVT_BCM1480
883 bool
884
885 config CEVT_DS1287
886 bool
887
888 config CEVT_GT641XX
889 bool
890
891 config CEVT_R4K_LIB
892 bool
893
894 config CEVT_R4K
895 select CEVT_R4K_LIB
896 bool
897
898 config CEVT_SB1250
899 bool
900
901 config CEVT_TXX9
902 bool
903
904 config CSRC_BCM1480
905 bool
906
907 config CSRC_IOASIC
908 bool
909
910 config CSRC_POWERTV
911 bool
912
913 config CSRC_R4K_LIB
914 bool
915
916 config CSRC_R4K
917 select CSRC_R4K_LIB
918 bool
919
920 config CSRC_SB1250
921 bool
922
923 config GPIO_TXX9
924 select GENERIC_GPIO
925 select ARCH_REQUIRE_GPIOLIB
926 bool
927
928 config CFE
929 bool
930
931 config ARCH_DMA_ADDR_T_64BIT
932 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
933
934 config DMA_COHERENT
935 bool
936
937 config DMA_NONCOHERENT
938 bool
939 select NEED_DMA_MAP_STATE
940
941 config NEED_DMA_MAP_STATE
942 bool
943
944 config SYS_HAS_EARLY_PRINTK
945 bool
946
947 config HOTPLUG_CPU
948 bool "Support for hot-pluggable CPUs"
949 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
950 help
951 Say Y here to allow turning CPUs off and on. CPUs can be
952 controlled through /sys/devices/system/cpu.
953 (Note: power management support will enable this option
954 automatically on SMP systems. )
955 Say N if you want to disable CPU hotplug.
956
957 config SYS_SUPPORTS_HOTPLUG_CPU
958 bool
959
960 config I8259
961 bool
962
963 config MIPS_BONITO64
964 bool
965
966 config MIPS_MSC
967 bool
968
969 config MIPS_NILE4
970 bool
971
972 config MIPS_DISABLE_OBSOLETE_IDE
973 bool
974
975 config SYNC_R4K
976 bool
977
978 config MIPS_MACHINE
979 def_bool n
980
981 config NO_IOPORT
982 def_bool n
983
984 config GENERIC_ISA_DMA
985 bool
986 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
987 select ISA_DMA_API
988
989 config GENERIC_ISA_DMA_SUPPORT_BROKEN
990 bool
991 select GENERIC_ISA_DMA
992
993 config ISA_DMA_API
994 bool
995
996 config GENERIC_GPIO
997 bool
998
999 config HOLES_IN_ZONE
1000 bool
1001
1002 #
1003 # Endianness selection. Sufficiently obscure so many users don't know what to
1004 # answer,so we try hard to limit the available choices. Also the use of a
1005 # choice statement should be more obvious to the user.
1006 #
1007 choice
1008 prompt "Endianness selection"
1009 help
1010 Some MIPS machines can be configured for either little or big endian
1011 byte order. These modes require different kernels and a different
1012 Linux distribution. In general there is one preferred byteorder for a
1013 particular system but some systems are just as commonly used in the
1014 one or the other endianness.
1015
1016 config CPU_BIG_ENDIAN
1017 bool "Big endian"
1018 depends on SYS_SUPPORTS_BIG_ENDIAN
1019
1020 config CPU_LITTLE_ENDIAN
1021 bool "Little endian"
1022 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1023 help
1024
1025 endchoice
1026
1027 config EXPORT_UASM
1028 bool
1029
1030 config SYS_SUPPORTS_APM_EMULATION
1031 bool
1032
1033 config SYS_SUPPORTS_BIG_ENDIAN
1034 bool
1035
1036 config SYS_SUPPORTS_LITTLE_ENDIAN
1037 bool
1038
1039 config SYS_SUPPORTS_HUGETLBFS
1040 bool
1041 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1042 default y
1043
1044 config IRQ_CPU
1045 bool
1046
1047 config IRQ_CPU_RM7K
1048 bool
1049
1050 config IRQ_CPU_RM9K
1051 bool
1052
1053 config IRQ_MSP_SLP
1054 bool
1055
1056 config IRQ_MSP_CIC
1057 bool
1058
1059 config IRQ_TXX9
1060 bool
1061
1062 config IRQ_GT641XX
1063 bool
1064
1065 config IRQ_GIC
1066 bool
1067
1068 config MIPS_BOARDS_GEN
1069 bool
1070
1071 config PCI_GT64XXX_PCI0
1072 bool
1073
1074 config NO_EXCEPT_FILL
1075 bool
1076
1077 config MIPS_RM9122
1078 bool
1079 select SERIAL_RM9000
1080
1081 config SOC_EMMA2RH
1082 bool
1083 select CEVT_R4K
1084 select CSRC_R4K
1085 select DMA_NONCOHERENT
1086 select IRQ_CPU
1087 select SWAP_IO_SPACE
1088 select SYS_HAS_CPU_R5500
1089 select SYS_SUPPORTS_32BIT_KERNEL
1090 select SYS_SUPPORTS_64BIT_KERNEL
1091 select SYS_SUPPORTS_BIG_ENDIAN
1092
1093 config SOC_PNX833X
1094 bool
1095 select CEVT_R4K
1096 select CSRC_R4K
1097 select IRQ_CPU
1098 select DMA_NONCOHERENT
1099 select SYS_HAS_CPU_MIPS32_R2
1100 select SYS_SUPPORTS_32BIT_KERNEL
1101 select SYS_SUPPORTS_LITTLE_ENDIAN
1102 select SYS_SUPPORTS_BIG_ENDIAN
1103 select GENERIC_GPIO
1104 select CPU_MIPSR2_IRQ_VI
1105
1106 config SOC_PNX8335
1107 bool
1108 select SOC_PNX833X
1109
1110 config PNX8550
1111 bool
1112 select SOC_PNX8550
1113
1114 config SOC_PNX8550
1115 bool
1116 select DMA_NONCOHERENT
1117 select HW_HAS_PCI
1118 select SYS_HAS_CPU_MIPS32_R1
1119 select SYS_HAS_EARLY_PRINTK
1120 select SYS_SUPPORTS_32BIT_KERNEL
1121 select GENERIC_GPIO
1122
1123 config SWAP_IO_SPACE
1124 bool
1125
1126 config SERIAL_RM9000
1127 bool
1128
1129 config SGI_HAS_INDYDOG
1130 bool
1131
1132 config SGI_HAS_HAL2
1133 bool
1134
1135 config SGI_HAS_SEEQ
1136 bool
1137
1138 config SGI_HAS_WD93
1139 bool
1140
1141 config SGI_HAS_ZILOG
1142 bool
1143
1144 config SGI_HAS_I8042
1145 bool
1146
1147 config DEFAULT_SGI_PARTITION
1148 bool
1149
1150 config ARC32
1151 bool
1152
1153 config SNIPROM
1154 bool
1155
1156 config BOOT_ELF32
1157 bool
1158
1159 config MIPS_L1_CACHE_SHIFT
1160 int
1161 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1162 default "6" if MIPS_CPU_SCACHE
1163 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1164 default "5"
1165
1166 config HAVE_STD_PC_SERIAL_PORT
1167 bool
1168
1169 config ARC_CONSOLE
1170 bool "ARC console support"
1171 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1172
1173 config ARC_MEMORY
1174 bool
1175 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1176 default y
1177
1178 config ARC_PROMLIB
1179 bool
1180 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1181 default y
1182
1183 config ARC64
1184 bool
1185
1186 config BOOT_ELF64
1187 bool
1188
1189 menu "CPU selection"
1190
1191 choice
1192 prompt "CPU type"
1193 default CPU_R4X00
1194
1195 config CPU_LOONGSON2E
1196 bool "Loongson 2E"
1197 depends on SYS_HAS_CPU_LOONGSON2E
1198 select CPU_LOONGSON2
1199 help
1200 The Loongson 2E processor implements the MIPS III instruction set
1201 with many extensions.
1202
1203 It has an internal FPGA northbridge, which is compatible to
1204 bonito64.
1205
1206 config CPU_LOONGSON2F
1207 bool "Loongson 2F"
1208 depends on SYS_HAS_CPU_LOONGSON2F
1209 select CPU_LOONGSON2
1210 select GENERIC_GPIO
1211 select ARCH_REQUIRE_GPIOLIB
1212 help
1213 The Loongson 2F processor implements the MIPS III instruction set
1214 with many extensions.
1215
1216 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1217 have a similar programming interface with FPGA northbridge used in
1218 Loongson2E.
1219
1220 config CPU_MIPS32_R1
1221 bool "MIPS32 Release 1"
1222 depends on SYS_HAS_CPU_MIPS32_R1
1223 select CPU_HAS_PREFETCH
1224 select CPU_SUPPORTS_32BIT_KERNEL
1225 select CPU_SUPPORTS_HIGHMEM
1226 help
1227 Choose this option to build a kernel for release 1 or later of the
1228 MIPS32 architecture. Most modern embedded systems with a 32-bit
1229 MIPS processor are based on a MIPS32 processor. If you know the
1230 specific type of processor in your system, choose those that one
1231 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1232 Release 2 of the MIPS32 architecture is available since several
1233 years so chances are you even have a MIPS32 Release 2 processor
1234 in which case you should choose CPU_MIPS32_R2 instead for better
1235 performance.
1236
1237 config CPU_MIPS32_R2
1238 bool "MIPS32 Release 2"
1239 depends on SYS_HAS_CPU_MIPS32_R2
1240 select CPU_HAS_PREFETCH
1241 select CPU_SUPPORTS_32BIT_KERNEL
1242 select CPU_SUPPORTS_HIGHMEM
1243 help
1244 Choose this option to build a kernel for release 2 or later of the
1245 MIPS32 architecture. Most modern embedded systems with a 32-bit
1246 MIPS processor are based on a MIPS32 processor. If you know the
1247 specific type of processor in your system, choose those that one
1248 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1249
1250 config CPU_MIPS64_R1
1251 bool "MIPS64 Release 1"
1252 depends on SYS_HAS_CPU_MIPS64_R1
1253 select CPU_HAS_PREFETCH
1254 select CPU_SUPPORTS_32BIT_KERNEL
1255 select CPU_SUPPORTS_64BIT_KERNEL
1256 select CPU_SUPPORTS_HIGHMEM
1257 select CPU_SUPPORTS_HUGEPAGES
1258 help
1259 Choose this option to build a kernel for release 1 or later of the
1260 MIPS64 architecture. Many modern embedded systems with a 64-bit
1261 MIPS processor are based on a MIPS64 processor. If you know the
1262 specific type of processor in your system, choose those that one
1263 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1264 Release 2 of the MIPS64 architecture is available since several
1265 years so chances are you even have a MIPS64 Release 2 processor
1266 in which case you should choose CPU_MIPS64_R2 instead for better
1267 performance.
1268
1269 config CPU_MIPS64_R2
1270 bool "MIPS64 Release 2"
1271 depends on SYS_HAS_CPU_MIPS64_R2
1272 select CPU_HAS_PREFETCH
1273 select CPU_SUPPORTS_32BIT_KERNEL
1274 select CPU_SUPPORTS_64BIT_KERNEL
1275 select CPU_SUPPORTS_HIGHMEM
1276 select CPU_SUPPORTS_HUGEPAGES
1277 help
1278 Choose this option to build a kernel for release 2 or later of the
1279 MIPS64 architecture. Many modern embedded systems with a 64-bit
1280 MIPS processor are based on a MIPS64 processor. If you know the
1281 specific type of processor in your system, choose those that one
1282 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1283
1284 config CPU_R3000
1285 bool "R3000"
1286 depends on SYS_HAS_CPU_R3000
1287 select CPU_HAS_WB
1288 select CPU_SUPPORTS_32BIT_KERNEL
1289 select CPU_SUPPORTS_HIGHMEM
1290 help
1291 Please make sure to pick the right CPU type. Linux/MIPS is not
1292 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1293 *not* work on R4000 machines and vice versa. However, since most
1294 of the supported machines have an R4000 (or similar) CPU, R4x00
1295 might be a safe bet. If the resulting kernel does not work,
1296 try to recompile with R3000.
1297
1298 config CPU_TX39XX
1299 bool "R39XX"
1300 depends on SYS_HAS_CPU_TX39XX
1301 select CPU_SUPPORTS_32BIT_KERNEL
1302
1303 config CPU_VR41XX
1304 bool "R41xx"
1305 depends on SYS_HAS_CPU_VR41XX
1306 select CPU_SUPPORTS_32BIT_KERNEL
1307 select CPU_SUPPORTS_64BIT_KERNEL
1308 help
1309 The options selects support for the NEC VR4100 series of processors.
1310 Only choose this option if you have one of these processors as a
1311 kernel built with this option will not run on any other type of
1312 processor or vice versa.
1313
1314 config CPU_R4300
1315 bool "R4300"
1316 depends on SYS_HAS_CPU_R4300
1317 select CPU_SUPPORTS_32BIT_KERNEL
1318 select CPU_SUPPORTS_64BIT_KERNEL
1319 help
1320 MIPS Technologies R4300-series processors.
1321
1322 config CPU_R4X00
1323 bool "R4x00"
1324 depends on SYS_HAS_CPU_R4X00
1325 select CPU_SUPPORTS_32BIT_KERNEL
1326 select CPU_SUPPORTS_64BIT_KERNEL
1327 help
1328 MIPS Technologies R4000-series processors other than 4300, including
1329 the R4000, R4400, R4600, and 4700.
1330
1331 config CPU_TX49XX
1332 bool "R49XX"
1333 depends on SYS_HAS_CPU_TX49XX
1334 select CPU_HAS_PREFETCH
1335 select CPU_SUPPORTS_32BIT_KERNEL
1336 select CPU_SUPPORTS_64BIT_KERNEL
1337
1338 config CPU_R5000
1339 bool "R5000"
1340 depends on SYS_HAS_CPU_R5000
1341 select CPU_SUPPORTS_32BIT_KERNEL
1342 select CPU_SUPPORTS_64BIT_KERNEL
1343 help
1344 MIPS Technologies R5000-series processors other than the Nevada.
1345
1346 config CPU_R5432
1347 bool "R5432"
1348 depends on SYS_HAS_CPU_R5432
1349 select CPU_SUPPORTS_32BIT_KERNEL
1350 select CPU_SUPPORTS_64BIT_KERNEL
1351
1352 config CPU_R5500
1353 bool "R5500"
1354 depends on SYS_HAS_CPU_R5500
1355 select CPU_SUPPORTS_32BIT_KERNEL
1356 select CPU_SUPPORTS_64BIT_KERNEL
1357 select CPU_SUPPORTS_HUGEPAGES
1358 help
1359 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1360 instruction set.
1361
1362 config CPU_R6000
1363 bool "R6000"
1364 depends on EXPERIMENTAL
1365 depends on SYS_HAS_CPU_R6000
1366 select CPU_SUPPORTS_32BIT_KERNEL
1367 help
1368 MIPS Technologies R6000 and R6000A series processors. Note these
1369 processors are extremely rare and the support for them is incomplete.
1370
1371 config CPU_NEVADA
1372 bool "RM52xx"
1373 depends on SYS_HAS_CPU_NEVADA
1374 select CPU_SUPPORTS_32BIT_KERNEL
1375 select CPU_SUPPORTS_64BIT_KERNEL
1376 help
1377 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1378
1379 config CPU_R8000
1380 bool "R8000"
1381 depends on EXPERIMENTAL
1382 depends on SYS_HAS_CPU_R8000
1383 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_64BIT_KERNEL
1385 help
1386 MIPS Technologies R8000 processors. Note these processors are
1387 uncommon and the support for them is incomplete.
1388
1389 config CPU_R10000
1390 bool "R10000"
1391 depends on SYS_HAS_CPU_R10000
1392 select CPU_HAS_PREFETCH
1393 select CPU_SUPPORTS_32BIT_KERNEL
1394 select CPU_SUPPORTS_64BIT_KERNEL
1395 select CPU_SUPPORTS_HIGHMEM
1396 help
1397 MIPS Technologies R10000-series processors.
1398
1399 config CPU_RM7000
1400 bool "RM7000"
1401 depends on SYS_HAS_CPU_RM7000
1402 select CPU_HAS_PREFETCH
1403 select CPU_SUPPORTS_32BIT_KERNEL
1404 select CPU_SUPPORTS_64BIT_KERNEL
1405 select CPU_SUPPORTS_HIGHMEM
1406
1407 config CPU_RM9000
1408 bool "RM9000"
1409 depends on SYS_HAS_CPU_RM9000
1410 select CPU_HAS_PREFETCH
1411 select CPU_SUPPORTS_32BIT_KERNEL
1412 select CPU_SUPPORTS_64BIT_KERNEL
1413 select CPU_SUPPORTS_HIGHMEM
1414 select WEAK_ORDERING
1415
1416 config CPU_SB1
1417 bool "SB1"
1418 depends on SYS_HAS_CPU_SB1
1419 select CPU_SUPPORTS_32BIT_KERNEL
1420 select CPU_SUPPORTS_64BIT_KERNEL
1421 select CPU_SUPPORTS_HIGHMEM
1422 select WEAK_ORDERING
1423
1424 config CPU_CAVIUM_OCTEON
1425 bool "Cavium Octeon processor"
1426 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1427 select ARCH_SPARSEMEM_ENABLE
1428 select CPU_HAS_PREFETCH
1429 select CPU_SUPPORTS_64BIT_KERNEL
1430 select SYS_SUPPORTS_SMP
1431 select NR_CPUS_DEFAULT_16
1432 select WEAK_ORDERING
1433 select CPU_SUPPORTS_HIGHMEM
1434 select CPU_SUPPORTS_HUGEPAGES
1435 help
1436 The Cavium Octeon processor is a highly integrated chip containing
1437 many ethernet hardware widgets for networking tasks. The processor
1438 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1439 Full details can be found at http://www.caviumnetworks.com.
1440
1441 config CPU_BMIPS3300
1442 bool "BMIPS3300"
1443 depends on SYS_HAS_CPU_BMIPS3300
1444 select CPU_BMIPS
1445 help
1446 Broadcom BMIPS3300 processors.
1447
1448 config CPU_BMIPS4350
1449 bool "BMIPS4350"
1450 depends on SYS_HAS_CPU_BMIPS4350
1451 select CPU_BMIPS
1452 select SYS_SUPPORTS_SMP
1453 select SYS_SUPPORTS_HOTPLUG_CPU
1454 help
1455 Broadcom BMIPS4350 ("VIPER") processors.
1456
1457 config CPU_BMIPS4380
1458 bool "BMIPS4380"
1459 depends on SYS_HAS_CPU_BMIPS4380
1460 select CPU_BMIPS
1461 select SYS_SUPPORTS_SMP
1462 select SYS_SUPPORTS_HOTPLUG_CPU
1463 help
1464 Broadcom BMIPS4380 processors.
1465
1466 config CPU_BMIPS5000
1467 bool "BMIPS5000"
1468 depends on SYS_HAS_CPU_BMIPS5000
1469 select CPU_BMIPS
1470 select CPU_SUPPORTS_HIGHMEM
1471 select MIPS_CPU_SCACHE
1472 select SYS_SUPPORTS_SMP
1473 select SYS_SUPPORTS_HOTPLUG_CPU
1474 help
1475 Broadcom BMIPS5000 processors.
1476
1477 config CPU_XLR
1478 bool "Netlogic XLR SoC"
1479 depends on SYS_HAS_CPU_XLR
1480 select CPU_SUPPORTS_32BIT_KERNEL
1481 select CPU_SUPPORTS_64BIT_KERNEL
1482 select CPU_SUPPORTS_HIGHMEM
1483 select WEAK_ORDERING
1484 select WEAK_REORDERING_BEYOND_LLSC
1485 select CPU_SUPPORTS_HUGEPAGES
1486 help
1487 Netlogic Microsystems XLR/XLS processors.
1488
1489 config CPU_XLP
1490 bool "Netlogic XLP SoC"
1491 depends on SYS_HAS_CPU_XLP
1492 select CPU_SUPPORTS_32BIT_KERNEL
1493 select CPU_SUPPORTS_64BIT_KERNEL
1494 select CPU_SUPPORTS_HIGHMEM
1495 select CPU_HAS_LLSC
1496 select WEAK_ORDERING
1497 select WEAK_REORDERING_BEYOND_LLSC
1498 select CPU_HAS_PREFETCH
1499 help
1500 Netlogic Microsystems XLP processors.
1501 endchoice
1502
1503 if CPU_LOONGSON2F
1504 config CPU_NOP_WORKAROUNDS
1505 bool
1506
1507 config CPU_JUMP_WORKAROUNDS
1508 bool
1509
1510 config CPU_LOONGSON2F_WORKAROUNDS
1511 bool "Loongson 2F Workarounds"
1512 default y
1513 select CPU_NOP_WORKAROUNDS
1514 select CPU_JUMP_WORKAROUNDS
1515 help
1516 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1517 require workarounds. Without workarounds the system may hang
1518 unexpectedly. For more information please refer to the gas
1519 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1520
1521 Loongson 2F03 and later have fixed these issues and no workarounds
1522 are needed. The workarounds have no significant side effect on them
1523 but may decrease the performance of the system so this option should
1524 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1525 systems.
1526
1527 If unsure, please say Y.
1528 endif # CPU_LOONGSON2F
1529
1530 config SYS_SUPPORTS_ZBOOT
1531 bool
1532 select HAVE_KERNEL_GZIP
1533 select HAVE_KERNEL_BZIP2
1534 select HAVE_KERNEL_LZMA
1535 select HAVE_KERNEL_LZO
1536
1537 config SYS_SUPPORTS_ZBOOT_UART16550
1538 bool
1539 select SYS_SUPPORTS_ZBOOT
1540
1541 config CPU_LOONGSON2
1542 bool
1543 select CPU_SUPPORTS_32BIT_KERNEL
1544 select CPU_SUPPORTS_64BIT_KERNEL
1545 select CPU_SUPPORTS_HIGHMEM
1546
1547 config CPU_BMIPS
1548 bool
1549 select CPU_MIPS32
1550 select CPU_SUPPORTS_32BIT_KERNEL
1551 select DMA_NONCOHERENT
1552 select IRQ_CPU
1553 select SWAP_IO_SPACE
1554 select WEAK_ORDERING
1555
1556 config SYS_HAS_CPU_LOONGSON2E
1557 bool
1558
1559 config SYS_HAS_CPU_LOONGSON2F
1560 bool
1561 select CPU_SUPPORTS_CPUFREQ
1562 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1563 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1564
1565 config SYS_HAS_CPU_MIPS32_R1
1566 bool
1567
1568 config SYS_HAS_CPU_MIPS32_R2
1569 bool
1570
1571 config SYS_HAS_CPU_MIPS64_R1
1572 bool
1573
1574 config SYS_HAS_CPU_MIPS64_R2
1575 bool
1576
1577 config SYS_HAS_CPU_R3000
1578 bool
1579
1580 config SYS_HAS_CPU_TX39XX
1581 bool
1582
1583 config SYS_HAS_CPU_VR41XX
1584 bool
1585
1586 config SYS_HAS_CPU_R4300
1587 bool
1588
1589 config SYS_HAS_CPU_R4X00
1590 bool
1591
1592 config SYS_HAS_CPU_TX49XX
1593 bool
1594
1595 config SYS_HAS_CPU_R5000
1596 bool
1597
1598 config SYS_HAS_CPU_R5432
1599 bool
1600
1601 config SYS_HAS_CPU_R5500
1602 bool
1603
1604 config SYS_HAS_CPU_R6000
1605 bool
1606
1607 config SYS_HAS_CPU_NEVADA
1608 bool
1609
1610 config SYS_HAS_CPU_R8000
1611 bool
1612
1613 config SYS_HAS_CPU_R10000
1614 bool
1615
1616 config SYS_HAS_CPU_RM7000
1617 bool
1618
1619 config SYS_HAS_CPU_RM9000
1620 bool
1621
1622 config SYS_HAS_CPU_SB1
1623 bool
1624
1625 config SYS_HAS_CPU_CAVIUM_OCTEON
1626 bool
1627
1628 config SYS_HAS_CPU_BMIPS3300
1629 bool
1630
1631 config SYS_HAS_CPU_BMIPS4350
1632 bool
1633
1634 config SYS_HAS_CPU_BMIPS4380
1635 bool
1636
1637 config SYS_HAS_CPU_BMIPS5000
1638 bool
1639
1640 config SYS_HAS_CPU_XLR
1641 bool
1642
1643 config SYS_HAS_CPU_XLP
1644 bool
1645
1646 #
1647 # CPU may reorder R->R, R->W, W->R, W->W
1648 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1649 #
1650 config WEAK_ORDERING
1651 bool
1652
1653 #
1654 # CPU may reorder reads and writes beyond LL/SC
1655 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1656 #
1657 config WEAK_REORDERING_BEYOND_LLSC
1658 bool
1659 endmenu
1660
1661 #
1662 # These two indicate any level of the MIPS32 and MIPS64 architecture
1663 #
1664 config CPU_MIPS32
1665 bool
1666 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1667
1668 config CPU_MIPS64
1669 bool
1670 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1671
1672 #
1673 # These two indicate the revision of the architecture, either Release 1 or Release 2
1674 #
1675 config CPU_MIPSR1
1676 bool
1677 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1678
1679 config CPU_MIPSR2
1680 bool
1681 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1682
1683 config SYS_SUPPORTS_32BIT_KERNEL
1684 bool
1685 config SYS_SUPPORTS_64BIT_KERNEL
1686 bool
1687 config CPU_SUPPORTS_32BIT_KERNEL
1688 bool
1689 config CPU_SUPPORTS_64BIT_KERNEL
1690 bool
1691 config CPU_SUPPORTS_CPUFREQ
1692 bool
1693 config CPU_SUPPORTS_ADDRWINCFG
1694 bool
1695 config CPU_SUPPORTS_HUGEPAGES
1696 bool
1697 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1698 bool
1699 config MIPS_PGD_C0_CONTEXT
1700 bool
1701 default y if 64BIT && CPU_MIPSR2
1702
1703 #
1704 # Set to y for ptrace access to watch registers.
1705 #
1706 config HARDWARE_WATCHPOINTS
1707 bool
1708 default y if CPU_MIPSR1 || CPU_MIPSR2
1709
1710 menu "Kernel type"
1711
1712 choice
1713
1714 prompt "Kernel code model"
1715 help
1716 You should only select this option if you have a workload that
1717 actually benefits from 64-bit processing or if your machine has
1718 large memory. You will only be presented a single option in this
1719 menu if your system does not support both 32-bit and 64-bit kernels.
1720
1721 config 32BIT
1722 bool "32-bit kernel"
1723 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1724 select TRAD_SIGNALS
1725 help
1726 Select this option if you want to build a 32-bit kernel.
1727 config 64BIT
1728 bool "64-bit kernel"
1729 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1730 select HAVE_SYSCALL_WRAPPERS
1731 help
1732 Select this option if you want to build a 64-bit kernel.
1733
1734 endchoice
1735
1736 choice
1737 prompt "Kernel page size"
1738 default PAGE_SIZE_4KB
1739
1740 config PAGE_SIZE_4KB
1741 bool "4kB"
1742 depends on !CPU_LOONGSON2
1743 help
1744 This option select the standard 4kB Linux page size. On some
1745 R3000-family processors this is the only available page size. Using
1746 4kB page size will minimize memory consumption and is therefore
1747 recommended for low memory systems.
1748
1749 config PAGE_SIZE_8KB
1750 bool "8kB"
1751 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1752 help
1753 Using 8kB page size will result in higher performance kernel at
1754 the price of higher memory consumption. This option is available
1755 only on R8000 and cnMIPS processors. Note that you will need a
1756 suitable Linux distribution to support this.
1757
1758 config PAGE_SIZE_16KB
1759 bool "16kB"
1760 depends on !CPU_R3000 && !CPU_TX39XX
1761 help
1762 Using 16kB page size will result in higher performance kernel at
1763 the price of higher memory consumption. This option is available on
1764 all non-R3000 family processors. Note that you will need a suitable
1765 Linux distribution to support this.
1766
1767 config PAGE_SIZE_32KB
1768 bool "32kB"
1769 depends on CPU_CAVIUM_OCTEON
1770 help
1771 Using 32kB page size will result in higher performance kernel at
1772 the price of higher memory consumption. This option is available
1773 only on cnMIPS cores. Note that you will need a suitable Linux
1774 distribution to support this.
1775
1776 config PAGE_SIZE_64KB
1777 bool "64kB"
1778 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1779 help
1780 Using 64kB page size will result in higher performance kernel at
1781 the price of higher memory consumption. This option is available on
1782 all non-R3000 family processor. Not that at the time of this
1783 writing this option is still high experimental.
1784
1785 endchoice
1786
1787 config FORCE_MAX_ZONEORDER
1788 int "Maximum zone order"
1789 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1790 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1791 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1792 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1793 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1794 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
1795 range 11 64
1796 default "11"
1797 help
1798 The kernel memory allocator divides physically contiguous memory
1799 blocks into "zones", where each zone is a power of two number of
1800 pages. This option selects the largest power of two that the kernel
1801 keeps in the memory allocator. If you need to allocate very large
1802 blocks of physically contiguous memory, then you may need to
1803 increase this value.
1804
1805 This config option is actually maximum order plus one. For example,
1806 a value of 11 means that the largest free memory block is 2^10 pages.
1807
1808 The page size is not necessarily 4KB. Keep this in mind
1809 when choosing a value for this option.
1810
1811 config BOARD_SCACHE
1812 bool
1813
1814 config IP22_CPU_SCACHE
1815 bool
1816 select BOARD_SCACHE
1817
1818 #
1819 # Support for a MIPS32 / MIPS64 style S-caches
1820 #
1821 config MIPS_CPU_SCACHE
1822 bool
1823 select BOARD_SCACHE
1824
1825 config R5000_CPU_SCACHE
1826 bool
1827 select BOARD_SCACHE
1828
1829 config RM7000_CPU_SCACHE
1830 bool
1831 select BOARD_SCACHE
1832
1833 config SIBYTE_DMA_PAGEOPS
1834 bool "Use DMA to clear/copy pages"
1835 depends on CPU_SB1
1836 help
1837 Instead of using the CPU to zero and copy pages, use a Data Mover
1838 channel. These DMA channels are otherwise unused by the standard
1839 SiByte Linux port. Seems to give a small performance benefit.
1840
1841 config CPU_HAS_PREFETCH
1842 bool
1843
1844 choice
1845 prompt "MIPS MT options"
1846
1847 config MIPS_MT_DISABLED
1848 bool "Disable multithreading support."
1849 help
1850 Use this option if your workload can't take advantage of
1851 MIPS hardware multithreading support. On systems that don't have
1852 the option of an MT-enabled processor this option will be the only
1853 option in this menu.
1854
1855 config MIPS_MT_SMP
1856 bool "Use 1 TC on each available VPE for SMP"
1857 depends on SYS_SUPPORTS_MULTITHREADING
1858 select CPU_MIPSR2_IRQ_VI
1859 select CPU_MIPSR2_IRQ_EI
1860 select MIPS_MT
1861 select NR_CPUS_DEFAULT_2
1862 select SMP
1863 select SYS_SUPPORTS_SCHED_SMT if SMP
1864 select SYS_SUPPORTS_SMP
1865 select SMP_UP
1866 help
1867 This is a kernel model which is known a VSMP but lately has been
1868 marketesed into SMVP.
1869 Virtual SMP uses the processor's VPEs to implement virtual
1870 processors. In currently available configuration of the 34K processor
1871 this allows for a dual processor. Both processors will share the same
1872 primary caches; each will obtain the half of the TLB for it's own
1873 exclusive use. For a layman this model can be described as similar to
1874 what Intel calls Hyperthreading.
1875
1876 For further information see http://www.linux-mips.org/wiki/34K#VSMP
1877
1878 config MIPS_MT_SMTC
1879 bool "SMTC: Use all TCs on all VPEs for SMP"
1880 depends on CPU_MIPS32_R2
1881 #depends on CPU_MIPS64_R2 # once there is hardware ...
1882 depends on SYS_SUPPORTS_MULTITHREADING
1883 select CPU_MIPSR2_IRQ_VI
1884 select CPU_MIPSR2_IRQ_EI
1885 select MIPS_MT
1886 select NR_CPUS_DEFAULT_8
1887 select SMP
1888 select SYS_SUPPORTS_SMP
1889 select SMP_UP
1890 help
1891 This is a kernel model which is known a SMTC or lately has been
1892 marketesed into SMVP.
1893 is presenting the available TC's of the core as processors to Linux.
1894 On currently available 34K processors this means a Linux system will
1895 see up to 5 processors. The implementation of the SMTC kernel differs
1896 significantly from VSMP and cannot efficiently coexist in the same
1897 kernel binary so the choice between VSMP and SMTC is a compile time
1898 decision.
1899
1900 For further information see http://www.linux-mips.org/wiki/34K#SMTC
1901
1902 endchoice
1903
1904 config MIPS_MT
1905 bool
1906
1907 config SCHED_SMT
1908 bool "SMT (multithreading) scheduler support"
1909 depends on SYS_SUPPORTS_SCHED_SMT
1910 default n
1911 help
1912 SMT scheduler support improves the CPU scheduler's decision making
1913 when dealing with MIPS MT enabled cores at a cost of slightly
1914 increased overhead in some places. If unsure say N here.
1915
1916 config SYS_SUPPORTS_SCHED_SMT
1917 bool
1918
1919
1920 config SYS_SUPPORTS_MULTITHREADING
1921 bool
1922
1923 config MIPS_MT_FPAFF
1924 bool "Dynamic FPU affinity for FP-intensive threads"
1925 default y
1926 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1927
1928 config MIPS_VPE_LOADER
1929 bool "VPE loader support."
1930 depends on SYS_SUPPORTS_MULTITHREADING
1931 select CPU_MIPSR2_IRQ_VI
1932 select CPU_MIPSR2_IRQ_EI
1933 select MIPS_MT
1934 help
1935 Includes a loader for loading an elf relocatable object
1936 onto another VPE and running it.
1937
1938 config MIPS_MT_SMTC_IM_BACKSTOP
1939 bool "Use per-TC register bits as backstop for inhibited IM bits"
1940 depends on MIPS_MT_SMTC
1941 default n
1942 help
1943 To support multiple TC microthreads acting as "CPUs" within
1944 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1945 during interrupt handling. To support legacy drivers and interrupt
1946 controller management code, SMTC has a "backstop" to track and
1947 if necessary restore the interrupt mask. This has some performance
1948 impact on interrupt service overhead.
1949
1950 config MIPS_MT_SMTC_IRQAFF
1951 bool "Support IRQ affinity API"
1952 depends on MIPS_MT_SMTC
1953 default n
1954 help
1955 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1956 for SMTC Linux kernel. Requires platform support, of which
1957 an example can be found in the MIPS kernel i8259 and Malta
1958 platform code. Adds some overhead to interrupt dispatch, and
1959 should be used only if you know what you are doing.
1960
1961 config MIPS_VPE_LOADER_TOM
1962 bool "Load VPE program into memory hidden from linux"
1963 depends on MIPS_VPE_LOADER
1964 default y
1965 help
1966 The loader can use memory that is present but has been hidden from
1967 Linux using the kernel command line option "mem=xxMB". It's up to
1968 you to ensure the amount you put in the option and the space your
1969 program requires is less or equal to the amount physically present.
1970
1971 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1972 config MIPS_VPE_APSP_API
1973 bool "Enable support for AP/SP API (RTLX)"
1974 depends on MIPS_VPE_LOADER
1975 help
1976
1977 config MIPS_APSP_KSPD
1978 bool "Enable KSPD"
1979 depends on MIPS_VPE_APSP_API
1980 default y
1981 help
1982 KSPD is a kernel daemon that accepts syscall requests from the SP
1983 side, actions them and returns the results. It also handles the
1984 "exit" syscall notifying other kernel modules the SP program is
1985 exiting. You probably want to say yes here.
1986
1987 config MIPS_CMP
1988 bool "MIPS CMP framework support"
1989 depends on SYS_SUPPORTS_MIPS_CMP
1990 select SYNC_R4K
1991 select SYS_SUPPORTS_SMP
1992 select SYS_SUPPORTS_SCHED_SMT if SMP
1993 select WEAK_ORDERING
1994 default n
1995 help
1996 This is a placeholder option for the GCMP work. It will need to
1997 be handled differently...
1998
1999 config SB1_PASS_1_WORKAROUNDS
2000 bool
2001 depends on CPU_SB1_PASS_1
2002 default y
2003
2004 config SB1_PASS_2_WORKAROUNDS
2005 bool
2006 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2007 default y
2008
2009 config SB1_PASS_2_1_WORKAROUNDS
2010 bool
2011 depends on CPU_SB1 && CPU_SB1_PASS_2
2012 default y
2013
2014 config 64BIT_PHYS_ADDR
2015 bool
2016
2017 config ARCH_PHYS_ADDR_T_64BIT
2018 def_bool 64BIT_PHYS_ADDR
2019
2020 config CPU_HAS_SMARTMIPS
2021 depends on SYS_SUPPORTS_SMARTMIPS
2022 bool "Support for the SmartMIPS ASE"
2023 help
2024 SmartMIPS is a extension of the MIPS32 architecture aimed at
2025 increased security at both hardware and software level for
2026 smartcards. Enabling this option will allow proper use of the
2027 SmartMIPS instructions by Linux applications. However a kernel with
2028 this option will not work on a MIPS core without SmartMIPS core. If
2029 you don't know you probably don't have SmartMIPS and should say N
2030 here.
2031
2032 config CPU_HAS_WB
2033 bool
2034
2035 config XKS01
2036 bool
2037
2038 #
2039 # Vectored interrupt mode is an R2 feature
2040 #
2041 config CPU_MIPSR2_IRQ_VI
2042 bool
2043
2044 #
2045 # Extended interrupt mode is an R2 feature
2046 #
2047 config CPU_MIPSR2_IRQ_EI
2048 bool
2049
2050 config CPU_HAS_SYNC
2051 bool
2052 depends on !CPU_R3000
2053 default y
2054
2055 #
2056 # CPU non-features
2057 #
2058 config CPU_DADDI_WORKAROUNDS
2059 bool
2060
2061 config CPU_R4000_WORKAROUNDS
2062 bool
2063 select CPU_R4400_WORKAROUNDS
2064
2065 config CPU_R4400_WORKAROUNDS
2066 bool
2067
2068 #
2069 # - Highmem only makes sense for the 32-bit kernel.
2070 # - The current highmem code will only work properly on physically indexed
2071 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2072 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2073 # moment we protect the user and offer the highmem option only on machines
2074 # where it's known to be safe. This will not offer highmem on a few systems
2075 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2076 # indexed CPUs but we're playing safe.
2077 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2078 # know they might have memory configurations that could make use of highmem
2079 # support.
2080 #
2081 config HIGHMEM
2082 bool "High Memory Support"
2083 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2084
2085 config CPU_SUPPORTS_HIGHMEM
2086 bool
2087
2088 config SYS_SUPPORTS_HIGHMEM
2089 bool
2090
2091 config SYS_SUPPORTS_SMARTMIPS
2092 bool
2093
2094 config ARCH_FLATMEM_ENABLE
2095 def_bool y
2096 depends on !NUMA && !CPU_LOONGSON2
2097
2098 config ARCH_DISCONTIGMEM_ENABLE
2099 bool
2100 default y if SGI_IP27
2101 help
2102 Say Y to support efficient handling of discontiguous physical memory,
2103 for architectures which are either NUMA (Non-Uniform Memory Access)
2104 or have huge holes in the physical address space for other reasons.
2105 See <file:Documentation/vm/numa> for more.
2106
2107 config ARCH_SPARSEMEM_ENABLE
2108 bool
2109 select SPARSEMEM_STATIC
2110
2111 config NUMA
2112 bool "NUMA Support"
2113 depends on SYS_SUPPORTS_NUMA
2114 help
2115 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2116 Access). This option improves performance on systems with more
2117 than two nodes; on two node systems it is generally better to
2118 leave it disabled; on single node systems disable this option
2119 disabled.
2120
2121 config SYS_SUPPORTS_NUMA
2122 bool
2123
2124 config NODES_SHIFT
2125 int
2126 default "6"
2127 depends on NEED_MULTIPLE_NODES
2128
2129 config HW_PERF_EVENTS
2130 bool "Enable hardware performance counter support for perf events"
2131 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
2132 default y
2133 help
2134 Enable hardware performance counter support for perf events. If
2135 disabled, perf events will use software events only.
2136
2137 source "mm/Kconfig"
2138
2139 config SMP
2140 bool "Multi-Processing support"
2141 depends on SYS_SUPPORTS_SMP
2142 select IRQ_PER_CPU
2143 select USE_GENERIC_SMP_HELPERS
2144 help
2145 This enables support for systems with more than one CPU. If you have
2146 a system with only one CPU, like most personal computers, say N. If
2147 you have a system with more than one CPU, say Y.
2148
2149 If you say N here, the kernel will run on single and multiprocessor
2150 machines, but will use only one CPU of a multiprocessor machine. If
2151 you say Y here, the kernel will run on many, but not all,
2152 singleprocessor machines. On a singleprocessor machine, the kernel
2153 will run faster if you say N here.
2154
2155 People using multiprocessor machines who say Y here should also say
2156 Y to "Enhanced Real Time Clock Support", below.
2157
2158 See also the SMP-HOWTO available at
2159 <http://www.tldp.org/docs.html#howto>.
2160
2161 If you don't know what to do here, say N.
2162
2163 config SMP_UP
2164 bool
2165
2166 config SYS_SUPPORTS_MIPS_CMP
2167 bool
2168
2169 config SYS_SUPPORTS_SMP
2170 bool
2171
2172 config NR_CPUS_DEFAULT_1
2173 bool
2174
2175 config NR_CPUS_DEFAULT_2
2176 bool
2177
2178 config NR_CPUS_DEFAULT_4
2179 bool
2180
2181 config NR_CPUS_DEFAULT_8
2182 bool
2183
2184 config NR_CPUS_DEFAULT_16
2185 bool
2186
2187 config NR_CPUS_DEFAULT_32
2188 bool
2189
2190 config NR_CPUS_DEFAULT_64
2191 bool
2192
2193 config NR_CPUS
2194 int "Maximum number of CPUs (2-64)"
2195 range 1 64 if NR_CPUS_DEFAULT_1
2196 depends on SMP
2197 default "1" if NR_CPUS_DEFAULT_1
2198 default "2" if NR_CPUS_DEFAULT_2
2199 default "4" if NR_CPUS_DEFAULT_4
2200 default "8" if NR_CPUS_DEFAULT_8
2201 default "16" if NR_CPUS_DEFAULT_16
2202 default "32" if NR_CPUS_DEFAULT_32
2203 default "64" if NR_CPUS_DEFAULT_64
2204 help
2205 This allows you to specify the maximum number of CPUs which this
2206 kernel will support. The maximum supported value is 32 for 32-bit
2207 kernel and 64 for 64-bit kernels; the minimum value which makes
2208 sense is 1 for Qemu (useful only for kernel debugging purposes)
2209 and 2 for all others.
2210
2211 This is purely to save memory - each supported CPU adds
2212 approximately eight kilobytes to the kernel image. For best
2213 performance should round up your number of processors to the next
2214 power of two.
2215
2216 #
2217 # Timer Interrupt Frequency Configuration
2218 #
2219
2220 choice
2221 prompt "Timer frequency"
2222 default HZ_250
2223 help
2224 Allows the configuration of the timer frequency.
2225
2226 config HZ_48
2227 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2228
2229 config HZ_100
2230 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2231
2232 config HZ_128
2233 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2234
2235 config HZ_250
2236 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2237
2238 config HZ_256
2239 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2240
2241 config HZ_1000
2242 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2243
2244 config HZ_1024
2245 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2246
2247 endchoice
2248
2249 config SYS_SUPPORTS_48HZ
2250 bool
2251
2252 config SYS_SUPPORTS_100HZ
2253 bool
2254
2255 config SYS_SUPPORTS_128HZ
2256 bool
2257
2258 config SYS_SUPPORTS_250HZ
2259 bool
2260
2261 config SYS_SUPPORTS_256HZ
2262 bool
2263
2264 config SYS_SUPPORTS_1000HZ
2265 bool
2266
2267 config SYS_SUPPORTS_1024HZ
2268 bool
2269
2270 config SYS_SUPPORTS_ARBIT_HZ
2271 bool
2272 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2273 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2274 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2275 !SYS_SUPPORTS_1024HZ
2276
2277 config HZ
2278 int
2279 default 48 if HZ_48
2280 default 100 if HZ_100
2281 default 128 if HZ_128
2282 default 250 if HZ_250
2283 default 256 if HZ_256
2284 default 1000 if HZ_1000
2285 default 1024 if HZ_1024
2286
2287 source "kernel/Kconfig.preempt"
2288
2289 config KEXEC
2290 bool "Kexec system call (EXPERIMENTAL)"
2291 depends on EXPERIMENTAL
2292 help
2293 kexec is a system call that implements the ability to shutdown your
2294 current kernel, and to start another kernel. It is like a reboot
2295 but it is independent of the system firmware. And like a reboot
2296 you can start any kernel with it, not just Linux.
2297
2298 The name comes from the similarity to the exec system call.
2299
2300 It is an ongoing process to be certain the hardware in a machine
2301 is properly shutdown, so do not be surprised if this code does not
2302 initially work for you. It may help to enable device hotplugging
2303 support. As of this writing the exact hardware interface is
2304 strongly in flux, so no good recommendation can be made.
2305
2306 config SECCOMP
2307 bool "Enable seccomp to safely compute untrusted bytecode"
2308 depends on PROC_FS
2309 default y
2310 help
2311 This kernel feature is useful for number crunching applications
2312 that may need to compute untrusted bytecode during their
2313 execution. By using pipes or other transports made available to
2314 the process as file descriptors supporting the read/write
2315 syscalls, it's possible to isolate those applications in
2316 their own address space using seccomp. Once seccomp is
2317 enabled via /proc/<pid>/seccomp, it cannot be disabled
2318 and the task is only allowed to execute a few safe syscalls
2319 defined by each seccomp mode.
2320
2321 If unsure, say Y. Only embedded should say N here.
2322
2323 config USE_OF
2324 bool "Flattened Device Tree support"
2325 select OF
2326 select OF_EARLY_FLATTREE
2327 select IRQ_DOMAIN
2328 help
2329 Include support for flattened device tree machine descriptions.
2330
2331 endmenu
2332
2333 config LOCKDEP_SUPPORT
2334 bool
2335 default y
2336
2337 config STACKTRACE_SUPPORT
2338 bool
2339 default y
2340
2341 source "init/Kconfig"
2342
2343 source "kernel/Kconfig.freezer"
2344
2345 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2346
2347 config HW_HAS_EISA
2348 bool
2349 config HW_HAS_PCI
2350 bool
2351
2352 config PCI
2353 bool "Support for PCI controller"
2354 depends on HW_HAS_PCI
2355 select PCI_DOMAINS
2356 select GENERIC_PCI_IOMAP
2357 select NO_GENERIC_PCI_IOPORT_MAP
2358 help
2359 Find out whether you have a PCI motherboard. PCI is the name of a
2360 bus system, i.e. the way the CPU talks to the other stuff inside
2361 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2362 say Y, otherwise N.
2363
2364 config PCI_DOMAINS
2365 bool
2366
2367 source "drivers/pci/Kconfig"
2368
2369 #
2370 # ISA support is now enabled via select. Too many systems still have the one
2371 # or other ISA chip on the board that users don't know about so don't expect
2372 # users to choose the right thing ...
2373 #
2374 config ISA
2375 bool
2376
2377 config EISA
2378 bool "EISA support"
2379 depends on HW_HAS_EISA
2380 select ISA
2381 select GENERIC_ISA_DMA
2382 ---help---
2383 The Extended Industry Standard Architecture (EISA) bus was
2384 developed as an open alternative to the IBM MicroChannel bus.
2385
2386 The EISA bus provided some of the features of the IBM MicroChannel
2387 bus while maintaining backward compatibility with cards made for
2388 the older ISA bus. The EISA bus saw limited use between 1988 and
2389 1995 when it was made obsolete by the PCI bus.
2390
2391 Say Y here if you are building a kernel for an EISA-based machine.
2392
2393 Otherwise, say N.
2394
2395 source "drivers/eisa/Kconfig"
2396
2397 config TC
2398 bool "TURBOchannel support"
2399 depends on MACH_DECSTATION
2400 help
2401 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2402 processors. TURBOchannel programming specifications are available
2403 at:
2404 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2405 and:
2406 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2407 Linux driver support status is documented at:
2408 <http://www.linux-mips.org/wiki/DECstation>
2409
2410 config MMU
2411 bool
2412 default y
2413
2414 config I8253
2415 bool
2416 select CLKSRC_I8253
2417 select CLKEVT_I8253
2418 select MIPS_EXTERNAL_TIMER
2419
2420 config ZONE_DMA32
2421 bool
2422
2423 source "drivers/pcmcia/Kconfig"
2424
2425 source "drivers/pci/hotplug/Kconfig"
2426
2427 config RAPIDIO
2428 bool "RapidIO support"
2429 depends on PCI
2430 default n
2431 help
2432 If you say Y here, the kernel will include drivers and
2433 infrastructure code to support RapidIO interconnect devices.
2434
2435 source "drivers/rapidio/Kconfig"
2436
2437 endmenu
2438
2439 menu "Executable file formats"
2440
2441 source "fs/Kconfig.binfmt"
2442
2443 config TRAD_SIGNALS
2444 bool
2445
2446 config MIPS32_COMPAT
2447 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2448 depends on 64BIT
2449 help
2450 Select this option if you want Linux/MIPS 32-bit binary
2451 compatibility. Since all software available for Linux/MIPS is
2452 currently 32-bit you should say Y here.
2453
2454 config COMPAT
2455 bool
2456 depends on MIPS32_COMPAT
2457 select ARCH_WANT_OLD_COMPAT_IPC
2458 default y
2459
2460 config SYSVIPC_COMPAT
2461 bool
2462 depends on COMPAT && SYSVIPC
2463 default y
2464
2465 config MIPS32_O32
2466 bool "Kernel support for o32 binaries"
2467 depends on MIPS32_COMPAT
2468 help
2469 Select this option if you want to run o32 binaries. These are pure
2470 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2471 existing binaries are in this format.
2472
2473 If unsure, say Y.
2474
2475 config MIPS32_N32
2476 bool "Kernel support for n32 binaries"
2477 depends on MIPS32_COMPAT
2478 help
2479 Select this option if you want to run n32 binaries. These are
2480 64-bit binaries using 32-bit quantities for addressing and certain
2481 data that would normally be 64-bit. They are used in special
2482 cases.
2483
2484 If unsure, say N.
2485
2486 config BINFMT_ELF32
2487 bool
2488 default y if MIPS32_O32 || MIPS32_N32
2489
2490 endmenu
2491
2492 menu "Power management options"
2493
2494 config ARCH_HIBERNATION_POSSIBLE
2495 def_bool y
2496 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2497
2498 config ARCH_SUSPEND_POSSIBLE
2499 def_bool y
2500 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2501
2502 source "kernel/power/Kconfig"
2503
2504 endmenu
2505
2506 source "arch/mips/kernel/cpufreq/Kconfig"
2507
2508 source "net/Kconfig"
2509
2510 source "drivers/Kconfig"
2511
2512 source "fs/Kconfig"
2513
2514 source "arch/mips/Kconfig.debug"
2515
2516 source "security/Kconfig"
2517
2518 source "crypto/Kconfig"
2519
2520 source "lib/Kconfig"
This page took 0.078812 seconds and 6 git commands to generate.