]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - arch/mips/Kconfig
Merge branch 'for-linus-min' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...
[mirror_ubuntu-zesty-kernel.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 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 ARCH_BINFMT_ELF_RANDOMIZE_PIE
20 select RTC_LIB if !MACH_LOONGSON
21 select GENERIC_ATOMIC64 if !64BIT
22 select HAVE_DMA_ATTRS
23 select HAVE_DMA_API_DEBUG
24 select HAVE_GENERIC_HARDIRQS
25 select GENERIC_IRQ_PROBE
26 select GENERIC_IRQ_SHOW
27 select HAVE_ARCH_JUMP_LABEL
28 select IRQ_FORCED_THREADING
29 select HAVE_MEMBLOCK
30 select HAVE_MEMBLOCK_NODE_MAP
31 select ARCH_DISCARD_MEMBLOCK
32
33 menu "Machine selection"
34
35 config ZONE_DMA
36 bool
37
38 choice
39 prompt "System type"
40 default SGI_IP22
41
42 config MIPS_ALCHEMY
43 bool "Alchemy processor based machines"
44 select 64BIT_PHYS_ADDR
45 select CEVT_R4K_LIB
46 select CSRC_R4K_LIB
47 select IRQ_CPU
48 select SYS_HAS_CPU_MIPS32_R1
49 select SYS_SUPPORTS_32BIT_KERNEL
50 select SYS_SUPPORTS_APM_EMULATION
51 select GENERIC_GPIO
52 select ARCH_WANT_OPTIONAL_GPIOLIB
53 select SYS_SUPPORTS_ZBOOT
54 select USB_ARCH_HAS_OHCI
55 select USB_ARCH_HAS_EHCI
56
57 config AR7
58 bool "Texas Instruments AR7"
59 select BOOT_ELF32
60 select DMA_NONCOHERENT
61 select CEVT_R4K
62 select CSRC_R4K
63 select IRQ_CPU
64 select NO_EXCEPT_FILL
65 select SWAP_IO_SPACE
66 select SYS_HAS_CPU_MIPS32_R1
67 select SYS_HAS_EARLY_PRINTK
68 select SYS_SUPPORTS_32BIT_KERNEL
69 select SYS_SUPPORTS_LITTLE_ENDIAN
70 select SYS_SUPPORTS_ZBOOT_UART16550
71 select ARCH_REQUIRE_GPIOLIB
72 select VLYNQ
73 help
74 Support for the Texas Instruments AR7 System-on-a-Chip
75 family: TNETD7100, 7200 and 7300.
76
77 config ATH79
78 bool "Atheros AR71XX/AR724X/AR913X based boards"
79 select ARCH_REQUIRE_GPIOLIB
80 select BOOT_RAW
81 select CEVT_R4K
82 select CSRC_R4K
83 select DMA_NONCOHERENT
84 select IRQ_CPU
85 select MIPS_MACHINE
86 select SYS_HAS_CPU_MIPS32_R2
87 select SYS_HAS_EARLY_PRINTK
88 select SYS_SUPPORTS_32BIT_KERNEL
89 select SYS_SUPPORTS_BIG_ENDIAN
90 help
91 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
92
93 config BCM47XX
94 bool "Broadcom BCM47XX based boards"
95 select CEVT_R4K
96 select CSRC_R4K
97 select DMA_NONCOHERENT
98 select HW_HAS_PCI
99 select IRQ_CPU
100 select SYS_SUPPORTS_32BIT_KERNEL
101 select SYS_SUPPORTS_LITTLE_ENDIAN
102 select GENERIC_GPIO
103 select SYS_HAS_EARLY_PRINTK
104 select CFE
105 help
106 Support for BCM47XX based boards
107
108 config BCM63XX
109 bool "Broadcom BCM63XX based boards"
110 select CEVT_R4K
111 select CSRC_R4K
112 select DMA_NONCOHERENT
113 select IRQ_CPU
114 select SYS_HAS_CPU_MIPS32_R1
115 select SYS_SUPPORTS_32BIT_KERNEL
116 select SYS_SUPPORTS_BIG_ENDIAN
117 select SYS_HAS_EARLY_PRINTK
118 select SWAP_IO_SPACE
119 select ARCH_REQUIRE_GPIOLIB
120 help
121 Support for BCM63XX based boards
122
123 config MIPS_COBALT
124 bool "Cobalt Server"
125 select CEVT_R4K
126 select CSRC_R4K
127 select CEVT_GT641XX
128 select DMA_NONCOHERENT
129 select HW_HAS_PCI
130 select I8253
131 select I8259
132 select IRQ_CPU
133 select IRQ_GT641XX
134 select PCI_GT64XXX_PCI0
135 select PCI
136 select SYS_HAS_CPU_NEVADA
137 select SYS_HAS_EARLY_PRINTK
138 select SYS_SUPPORTS_32BIT_KERNEL
139 select SYS_SUPPORTS_64BIT_KERNEL
140 select SYS_SUPPORTS_LITTLE_ENDIAN
141
142 config MACH_DECSTATION
143 bool "DECstations"
144 select BOOT_ELF32
145 select CEVT_DS1287
146 select CEVT_R4K
147 select CSRC_IOASIC
148 select CSRC_R4K
149 select CPU_DADDI_WORKAROUNDS if 64BIT
150 select CPU_R4000_WORKAROUNDS if 64BIT
151 select CPU_R4400_WORKAROUNDS if 64BIT
152 select DMA_NONCOHERENT
153 select NO_IOPORT
154 select IRQ_CPU
155 select SYS_HAS_CPU_R3000
156 select SYS_HAS_CPU_R4X00
157 select SYS_SUPPORTS_32BIT_KERNEL
158 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
159 select SYS_SUPPORTS_LITTLE_ENDIAN
160 select SYS_SUPPORTS_128HZ
161 select SYS_SUPPORTS_256HZ
162 select SYS_SUPPORTS_1024HZ
163 help
164 This enables support for DEC's MIPS based workstations. For details
165 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
166 DECstation porting pages on <http://decstation.unix-ag.org/>.
167
168 If you have one of the following DECstation Models you definitely
169 want to choose R4xx0 for the CPU Type:
170
171 DECstation 5000/50
172 DECstation 5000/150
173 DECstation 5000/260
174 DECsystem 5900/260
175
176 otherwise choose R3000.
177
178 config MACH_JAZZ
179 bool "Jazz family of machines"
180 select ARC
181 select ARC32
182 select ARCH_MAY_HAVE_PC_FDC
183 select CEVT_R4K
184 select CSRC_R4K
185 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
186 select GENERIC_ISA_DMA
187 select HAVE_PCSPKR_PLATFORM
188 select IRQ_CPU
189 select I8253
190 select I8259
191 select ISA
192 select SYS_HAS_CPU_R4X00
193 select SYS_SUPPORTS_32BIT_KERNEL
194 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
195 select SYS_SUPPORTS_100HZ
196 help
197 This a family of machines based on the MIPS R4030 chipset which was
198 used by several vendors to build RISC/os and Windows NT workstations.
199 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
200 Olivetti M700-10 workstations.
201
202 config MACH_JZ4740
203 bool "Ingenic JZ4740 based machines"
204 select SYS_HAS_CPU_MIPS32_R1
205 select SYS_SUPPORTS_32BIT_KERNEL
206 select SYS_SUPPORTS_LITTLE_ENDIAN
207 select DMA_NONCOHERENT
208 select IRQ_CPU
209 select GENERIC_GPIO
210 select ARCH_REQUIRE_GPIOLIB
211 select SYS_HAS_EARLY_PRINTK
212 select HAVE_PWM
213 select HAVE_CLK
214 select GENERIC_IRQ_CHIP
215
216 config LANTIQ
217 bool "Lantiq based platforms"
218 select DMA_NONCOHERENT
219 select IRQ_CPU
220 select CEVT_R4K
221 select CSRC_R4K
222 select SYS_HAS_CPU_MIPS32_R1
223 select SYS_HAS_CPU_MIPS32_R2
224 select SYS_SUPPORTS_BIG_ENDIAN
225 select SYS_SUPPORTS_32BIT_KERNEL
226 select SYS_SUPPORTS_MULTITHREADING
227 select SYS_HAS_EARLY_PRINTK
228 select ARCH_REQUIRE_GPIOLIB
229 select SWAP_IO_SPACE
230 select BOOT_RAW
231 select HAVE_CLK
232 select MIPS_MACHINE
233
234 config LASAT
235 bool "LASAT Networks platforms"
236 select CEVT_R4K
237 select CSRC_R4K
238 select DMA_NONCOHERENT
239 select SYS_HAS_EARLY_PRINTK
240 select HW_HAS_PCI
241 select IRQ_CPU
242 select PCI_GT64XXX_PCI0
243 select MIPS_NILE4
244 select R5000_CPU_SCACHE
245 select SYS_HAS_CPU_R5000
246 select SYS_SUPPORTS_32BIT_KERNEL
247 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
248 select SYS_SUPPORTS_LITTLE_ENDIAN
249
250 config MACH_LOONGSON
251 bool "Loongson family of machines"
252 select SYS_SUPPORTS_ZBOOT
253 help
254 This enables the support of Loongson family of machines.
255
256 Loongson is a family of general-purpose MIPS-compatible CPUs.
257 developed at Institute of Computing Technology (ICT),
258 Chinese Academy of Sciences (CAS) in the People's Republic
259 of China. The chief architect is Professor Weiwu Hu.
260
261 config MIPS_MALTA
262 bool "MIPS Malta board"
263 select ARCH_MAY_HAVE_PC_FDC
264 select BOOT_ELF32
265 select BOOT_RAW
266 select CEVT_R4K
267 select CSRC_R4K
268 select DMA_NONCOHERENT
269 select GENERIC_ISA_DMA
270 select HAVE_PCSPKR_PLATFORM
271 select IRQ_CPU
272 select IRQ_GIC
273 select HW_HAS_PCI
274 select I8253
275 select I8259
276 select MIPS_BOARDS_GEN
277 select MIPS_BONITO64
278 select MIPS_CPU_SCACHE
279 select PCI_GT64XXX_PCI0
280 select MIPS_MSC
281 select SWAP_IO_SPACE
282 select SYS_HAS_CPU_MIPS32_R1
283 select SYS_HAS_CPU_MIPS32_R2
284 select SYS_HAS_CPU_MIPS64_R1
285 select SYS_HAS_CPU_NEVADA
286 select SYS_HAS_CPU_RM7000
287 select SYS_HAS_EARLY_PRINTK
288 select SYS_SUPPORTS_32BIT_KERNEL
289 select SYS_SUPPORTS_64BIT_KERNEL
290 select SYS_SUPPORTS_BIG_ENDIAN
291 select SYS_SUPPORTS_LITTLE_ENDIAN
292 select SYS_SUPPORTS_MIPS_CMP
293 select SYS_SUPPORTS_MULTITHREADING
294 select SYS_SUPPORTS_SMARTMIPS
295 select SYS_SUPPORTS_ZBOOT
296 help
297 This enables support for the MIPS Technologies Malta evaluation
298 board.
299
300 config MIPS_SIM
301 bool 'MIPS simulator (MIPSsim)'
302 select CEVT_R4K
303 select CSRC_R4K
304 select DMA_NONCOHERENT
305 select SYS_HAS_EARLY_PRINTK
306 select IRQ_CPU
307 select BOOT_RAW
308 select SYS_HAS_CPU_MIPS32_R1
309 select SYS_HAS_CPU_MIPS32_R2
310 select SYS_HAS_EARLY_PRINTK
311 select SYS_SUPPORTS_32BIT_KERNEL
312 select SYS_SUPPORTS_BIG_ENDIAN
313 select SYS_SUPPORTS_MULTITHREADING
314 select SYS_SUPPORTS_LITTLE_ENDIAN
315 help
316 This option enables support for MIPS Technologies MIPSsim software
317 emulator.
318
319 config NEC_MARKEINS
320 bool "NEC EMMA2RH Mark-eins board"
321 select SOC_EMMA2RH
322 select HW_HAS_PCI
323 help
324 This enables support for the NEC Electronics Mark-eins boards.
325
326 config MACH_VR41XX
327 bool "NEC VR4100 series based machines"
328 select CEVT_R4K
329 select CSRC_R4K
330 select SYS_HAS_CPU_VR41XX
331 select ARCH_REQUIRE_GPIOLIB
332
333 config NXP_STB220
334 bool "NXP STB220 board"
335 select SOC_PNX833X
336 help
337 Support for NXP Semiconductors STB220 Development Board.
338
339 config NXP_STB225
340 bool "NXP 225 board"
341 select SOC_PNX833X
342 select SOC_PNX8335
343 help
344 Support for NXP Semiconductors STB225 Development Board.
345
346 config PNX8550_JBS
347 bool "NXP PNX8550 based JBS board"
348 select PNX8550
349 select SYS_SUPPORTS_LITTLE_ENDIAN
350
351 config PNX8550_STB810
352 bool "NXP PNX8550 based STB810 board"
353 select PNX8550
354 select SYS_SUPPORTS_LITTLE_ENDIAN
355
356 config PMC_MSP
357 bool "PMC-Sierra MSP chipsets"
358 depends on EXPERIMENTAL
359 select CEVT_R4K
360 select CSRC_R4K
361 select DMA_NONCOHERENT
362 select SWAP_IO_SPACE
363 select NO_EXCEPT_FILL
364 select BOOT_RAW
365 select SYS_HAS_CPU_MIPS32_R1
366 select SYS_HAS_CPU_MIPS32_R2
367 select SYS_SUPPORTS_32BIT_KERNEL
368 select SYS_SUPPORTS_BIG_ENDIAN
369 select IRQ_CPU
370 select SERIAL_8250
371 select SERIAL_8250_CONSOLE
372 help
373 This adds support for the PMC-Sierra family of Multi-Service
374 Processor System-On-A-Chips. These parts include a number
375 of integrated peripherals, interfaces and DSPs in addition to
376 a variety of MIPS cores.
377
378 config PMC_YOSEMITE
379 bool "PMC-Sierra Yosemite eval board"
380 select CEVT_R4K
381 select CSRC_R4K
382 select DMA_COHERENT
383 select HW_HAS_PCI
384 select IRQ_CPU
385 select IRQ_CPU_RM7K
386 select IRQ_CPU_RM9K
387 select SWAP_IO_SPACE
388 select SYS_HAS_CPU_RM9000
389 select SYS_HAS_EARLY_PRINTK
390 select SYS_SUPPORTS_32BIT_KERNEL
391 select SYS_SUPPORTS_64BIT_KERNEL
392 select SYS_SUPPORTS_BIG_ENDIAN
393 select SYS_SUPPORTS_HIGHMEM
394 select SYS_SUPPORTS_SMP
395 help
396 Yosemite is an evaluation board for the RM9000x2 processor
397 manufactured by PMC-Sierra.
398
399 config POWERTV
400 bool "Cisco PowerTV"
401 select BOOT_ELF32
402 select CEVT_R4K
403 select CPU_MIPSR2_IRQ_VI
404 select CPU_MIPSR2_IRQ_EI
405 select CSRC_POWERTV
406 select DMA_NONCOHERENT
407 select HW_HAS_PCI
408 select SYS_HAS_EARLY_PRINTK
409 select SYS_HAS_CPU_MIPS32_R2
410 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_BIG_ENDIAN
412 select SYS_SUPPORTS_HIGHMEM
413 select USB_OHCI_LITTLE_ENDIAN
414 help
415 This enables support for the Cisco PowerTV Platform.
416
417 config SGI_IP22
418 bool "SGI IP22 (Indy/Indigo2)"
419 select ARC
420 select ARC32
421 select BOOT_ELF32
422 select CEVT_R4K
423 select CSRC_R4K
424 select DEFAULT_SGI_PARTITION
425 select DMA_NONCOHERENT
426 select HW_HAS_EISA
427 select I8253
428 select I8259
429 select IP22_CPU_SCACHE
430 select IRQ_CPU
431 select GENERIC_ISA_DMA_SUPPORT_BROKEN
432 select SGI_HAS_I8042
433 select SGI_HAS_INDYDOG
434 select SGI_HAS_HAL2
435 select SGI_HAS_SEEQ
436 select SGI_HAS_WD93
437 select SGI_HAS_ZILOG
438 select SWAP_IO_SPACE
439 select SYS_HAS_CPU_R4X00
440 select SYS_HAS_CPU_R5000
441 #
442 # Disable EARLY_PRINTK for now since it leads to overwritten prom
443 # memory during early boot on some machines.
444 #
445 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
446 # for a more details discussion
447 #
448 # select SYS_HAS_EARLY_PRINTK
449 select SYS_SUPPORTS_32BIT_KERNEL
450 select SYS_SUPPORTS_64BIT_KERNEL
451 select SYS_SUPPORTS_BIG_ENDIAN
452 help
453 This are the SGI Indy, Challenge S and Indigo2, as well as certain
454 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
455 that runs on these, say Y here.
456
457 config SGI_IP27
458 bool "SGI IP27 (Origin200/2000)"
459 select ARC
460 select ARC64
461 select BOOT_ELF64
462 select DEFAULT_SGI_PARTITION
463 select DMA_COHERENT
464 select SYS_HAS_EARLY_PRINTK
465 select HW_HAS_PCI
466 select NR_CPUS_DEFAULT_64
467 select SYS_HAS_CPU_R10000
468 select SYS_SUPPORTS_64BIT_KERNEL
469 select SYS_SUPPORTS_BIG_ENDIAN
470 select SYS_SUPPORTS_NUMA
471 select SYS_SUPPORTS_SMP
472 help
473 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
474 workstations. To compile a Linux kernel that runs on these, say Y
475 here.
476
477 config SGI_IP28
478 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
479 depends on EXPERIMENTAL
480 select ARC
481 select ARC64
482 select BOOT_ELF64
483 select CEVT_R4K
484 select CSRC_R4K
485 select DEFAULT_SGI_PARTITION
486 select DMA_NONCOHERENT
487 select GENERIC_ISA_DMA_SUPPORT_BROKEN
488 select IRQ_CPU
489 select HW_HAS_EISA
490 select I8253
491 select I8259
492 select SGI_HAS_I8042
493 select SGI_HAS_INDYDOG
494 select SGI_HAS_HAL2
495 select SGI_HAS_SEEQ
496 select SGI_HAS_WD93
497 select SGI_HAS_ZILOG
498 select SWAP_IO_SPACE
499 select SYS_HAS_CPU_R10000
500 #
501 # Disable EARLY_PRINTK for now since it leads to overwritten prom
502 # memory during early boot on some machines.
503 #
504 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
505 # for a more details discussion
506 #
507 # select SYS_HAS_EARLY_PRINTK
508 select SYS_SUPPORTS_64BIT_KERNEL
509 select SYS_SUPPORTS_BIG_ENDIAN
510 help
511 This is the SGI Indigo2 with R10000 processor. To compile a Linux
512 kernel that runs on these, say Y here.
513
514 config SGI_IP32
515 bool "SGI IP32 (O2)"
516 select ARC
517 select ARC32
518 select BOOT_ELF32
519 select CEVT_R4K
520 select CSRC_R4K
521 select DMA_NONCOHERENT
522 select HW_HAS_PCI
523 select IRQ_CPU
524 select R5000_CPU_SCACHE
525 select RM7000_CPU_SCACHE
526 select SYS_HAS_CPU_R5000
527 select SYS_HAS_CPU_R10000 if BROKEN
528 select SYS_HAS_CPU_RM7000
529 select SYS_HAS_CPU_NEVADA
530 select SYS_SUPPORTS_64BIT_KERNEL
531 select SYS_SUPPORTS_BIG_ENDIAN
532 help
533 If you want this kernel to run on SGI O2 workstation, say Y here.
534
535 config SIBYTE_CRHINE
536 bool "Sibyte BCM91120C-CRhine"
537 depends on EXPERIMENTAL
538 select BOOT_ELF32
539 select DMA_COHERENT
540 select SIBYTE_BCM1120
541 select SWAP_IO_SPACE
542 select SYS_HAS_CPU_SB1
543 select SYS_SUPPORTS_BIG_ENDIAN
544 select SYS_SUPPORTS_LITTLE_ENDIAN
545
546 config SIBYTE_CARMEL
547 bool "Sibyte BCM91120x-Carmel"
548 depends on EXPERIMENTAL
549 select BOOT_ELF32
550 select DMA_COHERENT
551 select SIBYTE_BCM1120
552 select SWAP_IO_SPACE
553 select SYS_HAS_CPU_SB1
554 select SYS_SUPPORTS_BIG_ENDIAN
555 select SYS_SUPPORTS_LITTLE_ENDIAN
556
557 config SIBYTE_CRHONE
558 bool "Sibyte BCM91125C-CRhone"
559 depends on EXPERIMENTAL
560 select BOOT_ELF32
561 select DMA_COHERENT
562 select SIBYTE_BCM1125
563 select SWAP_IO_SPACE
564 select SYS_HAS_CPU_SB1
565 select SYS_SUPPORTS_BIG_ENDIAN
566 select SYS_SUPPORTS_HIGHMEM
567 select SYS_SUPPORTS_LITTLE_ENDIAN
568
569 config SIBYTE_RHONE
570 bool "Sibyte BCM91125E-Rhone"
571 depends on EXPERIMENTAL
572 select BOOT_ELF32
573 select DMA_COHERENT
574 select SIBYTE_BCM1125H
575 select SWAP_IO_SPACE
576 select SYS_HAS_CPU_SB1
577 select SYS_SUPPORTS_BIG_ENDIAN
578 select SYS_SUPPORTS_LITTLE_ENDIAN
579
580 config SIBYTE_SWARM
581 bool "Sibyte BCM91250A-SWARM"
582 select BOOT_ELF32
583 select DMA_COHERENT
584 select HAVE_PATA_PLATFORM
585 select NR_CPUS_DEFAULT_2
586 select SIBYTE_SB1250
587 select SWAP_IO_SPACE
588 select SYS_HAS_CPU_SB1
589 select SYS_SUPPORTS_BIG_ENDIAN
590 select SYS_SUPPORTS_HIGHMEM
591 select SYS_SUPPORTS_LITTLE_ENDIAN
592 select ZONE_DMA32 if 64BIT
593
594 config SIBYTE_LITTLESUR
595 bool "Sibyte BCM91250C2-LittleSur"
596 depends on EXPERIMENTAL
597 select BOOT_ELF32
598 select DMA_COHERENT
599 select HAVE_PATA_PLATFORM
600 select NR_CPUS_DEFAULT_2
601 select SIBYTE_SB1250
602 select SWAP_IO_SPACE
603 select SYS_HAS_CPU_SB1
604 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_HIGHMEM
606 select SYS_SUPPORTS_LITTLE_ENDIAN
607
608 config SIBYTE_SENTOSA
609 bool "Sibyte BCM91250E-Sentosa"
610 depends on EXPERIMENTAL
611 select BOOT_ELF32
612 select DMA_COHERENT
613 select NR_CPUS_DEFAULT_2
614 select SIBYTE_SB1250
615 select SWAP_IO_SPACE
616 select SYS_HAS_CPU_SB1
617 select SYS_SUPPORTS_BIG_ENDIAN
618 select SYS_SUPPORTS_LITTLE_ENDIAN
619
620 config SIBYTE_BIGSUR
621 bool "Sibyte BCM91480B-BigSur"
622 select BOOT_ELF32
623 select DMA_COHERENT
624 select NR_CPUS_DEFAULT_4
625 select SIBYTE_BCM1x80
626 select SWAP_IO_SPACE
627 select SYS_HAS_CPU_SB1
628 select SYS_SUPPORTS_BIG_ENDIAN
629 select SYS_SUPPORTS_HIGHMEM
630 select SYS_SUPPORTS_LITTLE_ENDIAN
631 select ZONE_DMA32 if 64BIT
632
633 config SNI_RM
634 bool "SNI RM200/300/400"
635 select ARC if CPU_LITTLE_ENDIAN
636 select ARC32 if CPU_LITTLE_ENDIAN
637 select SNIPROM if CPU_BIG_ENDIAN
638 select ARCH_MAY_HAVE_PC_FDC
639 select BOOT_ELF32
640 select CEVT_R4K
641 select CSRC_R4K
642 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
643 select DMA_NONCOHERENT
644 select GENERIC_ISA_DMA
645 select HAVE_PCSPKR_PLATFORM
646 select HW_HAS_EISA
647 select HW_HAS_PCI
648 select IRQ_CPU
649 select I8253
650 select I8259
651 select ISA
652 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
653 select SYS_HAS_CPU_R4X00
654 select SYS_HAS_CPU_R5000
655 select SYS_HAS_CPU_R10000
656 select R5000_CPU_SCACHE
657 select SYS_HAS_EARLY_PRINTK
658 select SYS_SUPPORTS_32BIT_KERNEL
659 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
660 select SYS_SUPPORTS_BIG_ENDIAN
661 select SYS_SUPPORTS_HIGHMEM
662 select SYS_SUPPORTS_LITTLE_ENDIAN
663 help
664 The SNI RM200/300/400 are MIPS-based machines manufactured by
665 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
666 Technology and now in turn merged with Fujitsu. Say Y here to
667 support this machine type.
668
669 config MACH_TX39XX
670 bool "Toshiba TX39 series based machines"
671
672 config MACH_TX49XX
673 bool "Toshiba TX49 series based machines"
674
675 config MIKROTIK_RB532
676 bool "Mikrotik RB532 boards"
677 select CEVT_R4K
678 select CSRC_R4K
679 select DMA_NONCOHERENT
680 select HW_HAS_PCI
681 select IRQ_CPU
682 select SYS_HAS_CPU_MIPS32_R1
683 select SYS_SUPPORTS_32BIT_KERNEL
684 select SYS_SUPPORTS_LITTLE_ENDIAN
685 select SWAP_IO_SPACE
686 select BOOT_RAW
687 select ARCH_REQUIRE_GPIOLIB
688 help
689 Support the Mikrotik(tm) RouterBoard 532 series,
690 based on the IDT RC32434 SoC.
691
692 config WR_PPMC
693 bool "Wind River PPMC board"
694 select CEVT_R4K
695 select CSRC_R4K
696 select IRQ_CPU
697 select BOOT_ELF32
698 select DMA_NONCOHERENT
699 select HW_HAS_PCI
700 select PCI_GT64XXX_PCI0
701 select SWAP_IO_SPACE
702 select SYS_HAS_CPU_MIPS32_R1
703 select SYS_HAS_CPU_MIPS32_R2
704 select SYS_HAS_CPU_MIPS64_R1
705 select SYS_HAS_CPU_NEVADA
706 select SYS_HAS_CPU_RM7000
707 select SYS_SUPPORTS_32BIT_KERNEL
708 select SYS_SUPPORTS_64BIT_KERNEL
709 select SYS_SUPPORTS_BIG_ENDIAN
710 select SYS_SUPPORTS_LITTLE_ENDIAN
711 help
712 This enables support for the Wind River MIPS32 4KC PPMC evaluation
713 board, which is based on GT64120 bridge chip.
714
715 config CAVIUM_OCTEON_SIMULATOR
716 bool "Cavium Networks Octeon Simulator"
717 select CEVT_R4K
718 select 64BIT_PHYS_ADDR
719 select DMA_COHERENT
720 select SYS_SUPPORTS_64BIT_KERNEL
721 select SYS_SUPPORTS_BIG_ENDIAN
722 select SYS_SUPPORTS_HOTPLUG_CPU
723 select SYS_HAS_CPU_CAVIUM_OCTEON
724 select HOLES_IN_ZONE
725 help
726 The Octeon simulator is software performance model of the Cavium
727 Octeon Processor. It supports simulating Octeon processors on x86
728 hardware.
729
730 config CAVIUM_OCTEON_REFERENCE_BOARD
731 bool "Cavium Networks Octeon reference board"
732 select CEVT_R4K
733 select 64BIT_PHYS_ADDR
734 select DMA_COHERENT
735 select SYS_SUPPORTS_64BIT_KERNEL
736 select SYS_SUPPORTS_BIG_ENDIAN
737 select SYS_SUPPORTS_HOTPLUG_CPU
738 select SYS_HAS_EARLY_PRINTK
739 select SYS_HAS_CPU_CAVIUM_OCTEON
740 select SWAP_IO_SPACE
741 select HW_HAS_PCI
742 select ARCH_SUPPORTS_MSI
743 select ZONE_DMA32
744 select USB_ARCH_HAS_OHCI
745 select USB_ARCH_HAS_EHCI
746 select HOLES_IN_ZONE
747 help
748 This option supports all of the Octeon reference boards from Cavium
749 Networks. It builds a kernel that dynamically determines the Octeon
750 CPU type and supports all known board reference implementations.
751 Some of the supported boards are:
752 EBT3000
753 EBH3000
754 EBH3100
755 Thunder
756 Kodama
757 Hikari
758 Say Y here for most Octeon reference boards.
759
760 config NLM_XLR_BOARD
761 bool "Netlogic XLR/XLS based systems"
762 depends on EXPERIMENTAL
763 select BOOT_ELF32
764 select NLM_COMMON
765 select SYS_HAS_CPU_XLR
766 select SYS_SUPPORTS_SMP
767 select HW_HAS_PCI
768 select SWAP_IO_SPACE
769 select SYS_SUPPORTS_32BIT_KERNEL
770 select SYS_SUPPORTS_64BIT_KERNEL
771 select 64BIT_PHYS_ADDR
772 select SYS_SUPPORTS_BIG_ENDIAN
773 select SYS_SUPPORTS_HIGHMEM
774 select DMA_COHERENT
775 select NR_CPUS_DEFAULT_32
776 select CEVT_R4K
777 select CSRC_R4K
778 select IRQ_CPU
779 select ARCH_SUPPORTS_MSI
780 select ZONE_DMA if 64BIT
781 select SYNC_R4K
782 select SYS_HAS_EARLY_PRINTK
783 help
784 Support for systems based on Netlogic XLR and XLS processors.
785 Say Y here if you have a XLR or XLS based board.
786
787 config NLM_XLP_BOARD
788 bool "Netlogic XLP based systems"
789 depends on EXPERIMENTAL
790 select BOOT_ELF32
791 select NLM_COMMON
792 select SYS_HAS_CPU_XLP
793 select SYS_SUPPORTS_SMP
794 select HW_HAS_PCI
795 select SWAP_IO_SPACE
796 select SYS_SUPPORTS_32BIT_KERNEL
797 select SYS_SUPPORTS_64BIT_KERNEL
798 select 64BIT_PHYS_ADDR
799 select SYS_SUPPORTS_BIG_ENDIAN
800 select SYS_SUPPORTS_LITTLE_ENDIAN
801 select SYS_SUPPORTS_HIGHMEM
802 select DMA_COHERENT
803 select NR_CPUS_DEFAULT_32
804 select CEVT_R4K
805 select CSRC_R4K
806 select IRQ_CPU
807 select ZONE_DMA if 64BIT
808 select SYNC_R4K
809 select SYS_HAS_EARLY_PRINTK
810 help
811 This board is based on Netlogic XLP Processor.
812 Say Y here if you have a XLP based board.
813
814 endchoice
815
816 source "arch/mips/alchemy/Kconfig"
817 source "arch/mips/ath79/Kconfig"
818 source "arch/mips/bcm47xx/Kconfig"
819 source "arch/mips/bcm63xx/Kconfig"
820 source "arch/mips/jazz/Kconfig"
821 source "arch/mips/jz4740/Kconfig"
822 source "arch/mips/lantiq/Kconfig"
823 source "arch/mips/lasat/Kconfig"
824 source "arch/mips/pmc-sierra/Kconfig"
825 source "arch/mips/powertv/Kconfig"
826 source "arch/mips/sgi-ip27/Kconfig"
827 source "arch/mips/sibyte/Kconfig"
828 source "arch/mips/txx9/Kconfig"
829 source "arch/mips/vr41xx/Kconfig"
830 source "arch/mips/cavium-octeon/Kconfig"
831 source "arch/mips/loongson/Kconfig"
832 source "arch/mips/netlogic/Kconfig"
833
834 endmenu
835
836 config RWSEM_GENERIC_SPINLOCK
837 bool
838 default y
839
840 config RWSEM_XCHGADD_ALGORITHM
841 bool
842
843 config ARCH_HAS_ILOG2_U32
844 bool
845 default n
846
847 config ARCH_HAS_ILOG2_U64
848 bool
849 default n
850
851 config GENERIC_HWEIGHT
852 bool
853 default y
854
855 config GENERIC_CALIBRATE_DELAY
856 bool
857 default y
858
859 config GENERIC_CLOCKEVENTS
860 bool
861 default y
862
863 config GENERIC_CMOS_UPDATE
864 bool
865 default y
866
867 config SCHED_OMIT_FRAME_POINTER
868 bool
869 default y
870
871 #
872 # Select some configuration options automatically based on user selections.
873 #
874 config ARC
875 bool
876
877 config ARCH_MAY_HAVE_PC_FDC
878 bool
879
880 config BOOT_RAW
881 bool
882
883 config CEVT_BCM1480
884 bool
885
886 config CEVT_DS1287
887 bool
888
889 config CEVT_GT641XX
890 bool
891
892 config CEVT_R4K_LIB
893 bool
894
895 config CEVT_R4K
896 select CEVT_R4K_LIB
897 bool
898
899 config CEVT_SB1250
900 bool
901
902 config CEVT_TXX9
903 bool
904
905 config CSRC_BCM1480
906 bool
907
908 config CSRC_IOASIC
909 bool
910
911 config CSRC_POWERTV
912 bool
913
914 config CSRC_R4K_LIB
915 bool
916
917 config CSRC_R4K
918 select CSRC_R4K_LIB
919 bool
920
921 config CSRC_SB1250
922 bool
923
924 config GPIO_TXX9
925 select GENERIC_GPIO
926 select ARCH_REQUIRE_GPIOLIB
927 bool
928
929 config CFE
930 bool
931
932 config ARCH_DMA_ADDR_T_64BIT
933 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
934
935 config DMA_COHERENT
936 bool
937
938 config DMA_NONCOHERENT
939 bool
940 select NEED_DMA_MAP_STATE
941
942 config NEED_DMA_MAP_STATE
943 bool
944
945 config SYS_HAS_EARLY_PRINTK
946 bool
947
948 config HOTPLUG_CPU
949 bool "Support for hot-pluggable CPUs"
950 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
951 help
952 Say Y here to allow turning CPUs off and on. CPUs can be
953 controlled through /sys/devices/system/cpu.
954 (Note: power management support will enable this option
955 automatically on SMP systems. )
956 Say N if you want to disable CPU hotplug.
957
958 config SYS_SUPPORTS_HOTPLUG_CPU
959 bool
960
961 config I8259
962 bool
963
964 config MIPS_BONITO64
965 bool
966
967 config MIPS_MSC
968 bool
969
970 config MIPS_NILE4
971 bool
972
973 config MIPS_DISABLE_OBSOLETE_IDE
974 bool
975
976 config SYNC_R4K
977 bool
978
979 config MIPS_MACHINE
980 def_bool n
981
982 config NO_IOPORT
983 def_bool n
984
985 config GENERIC_ISA_DMA
986 bool
987 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
988 select ISA_DMA_API
989
990 config GENERIC_ISA_DMA_SUPPORT_BROKEN
991 bool
992 select GENERIC_ISA_DMA
993
994 config ISA_DMA_API
995 bool
996
997 config GENERIC_GPIO
998 bool
999
1000 config HOLES_IN_ZONE
1001 bool
1002
1003 #
1004 # Endianess selection. Sufficiently obscure so many users don't know what to
1005 # answer,so we try hard to limit the available choices. Also the use of a
1006 # choice statement should be more obvious to the user.
1007 #
1008 choice
1009 prompt "Endianess selection"
1010 help
1011 Some MIPS machines can be configured for either little or big endian
1012 byte order. These modes require different kernels and a different
1013 Linux distribution. In general there is one preferred byteorder for a
1014 particular system but some systems are just as commonly used in the
1015 one or the other endianness.
1016
1017 config CPU_BIG_ENDIAN
1018 bool "Big endian"
1019 depends on SYS_SUPPORTS_BIG_ENDIAN
1020
1021 config CPU_LITTLE_ENDIAN
1022 bool "Little endian"
1023 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1024 help
1025
1026 endchoice
1027
1028 config EXPORT_UASM
1029 bool
1030
1031 config SYS_SUPPORTS_APM_EMULATION
1032 bool
1033
1034 config SYS_SUPPORTS_BIG_ENDIAN
1035 bool
1036
1037 config SYS_SUPPORTS_LITTLE_ENDIAN
1038 bool
1039
1040 config SYS_SUPPORTS_HUGETLBFS
1041 bool
1042 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1043 default y
1044
1045 config IRQ_CPU
1046 bool
1047
1048 config IRQ_CPU_RM7K
1049 bool
1050
1051 config IRQ_CPU_RM9K
1052 bool
1053
1054 config IRQ_MSP_SLP
1055 bool
1056
1057 config IRQ_MSP_CIC
1058 bool
1059
1060 config IRQ_TXX9
1061 bool
1062
1063 config IRQ_GT641XX
1064 bool
1065
1066 config IRQ_GIC
1067 bool
1068
1069 config MIPS_BOARDS_GEN
1070 bool
1071
1072 config PCI_GT64XXX_PCI0
1073 bool
1074
1075 config NO_EXCEPT_FILL
1076 bool
1077
1078 config MIPS_RM9122
1079 bool
1080 select SERIAL_RM9000
1081
1082 config SOC_EMMA2RH
1083 bool
1084 select CEVT_R4K
1085 select CSRC_R4K
1086 select DMA_NONCOHERENT
1087 select IRQ_CPU
1088 select SWAP_IO_SPACE
1089 select SYS_HAS_CPU_R5500
1090 select SYS_SUPPORTS_32BIT_KERNEL
1091 select SYS_SUPPORTS_64BIT_KERNEL
1092 select SYS_SUPPORTS_BIG_ENDIAN
1093
1094 config SOC_PNX833X
1095 bool
1096 select CEVT_R4K
1097 select CSRC_R4K
1098 select IRQ_CPU
1099 select DMA_NONCOHERENT
1100 select SYS_HAS_CPU_MIPS32_R2
1101 select SYS_SUPPORTS_32BIT_KERNEL
1102 select SYS_SUPPORTS_LITTLE_ENDIAN
1103 select SYS_SUPPORTS_BIG_ENDIAN
1104 select GENERIC_GPIO
1105 select CPU_MIPSR2_IRQ_VI
1106
1107 config SOC_PNX8335
1108 bool
1109 select SOC_PNX833X
1110
1111 config PNX8550
1112 bool
1113 select SOC_PNX8550
1114
1115 config SOC_PNX8550
1116 bool
1117 select DMA_NONCOHERENT
1118 select HW_HAS_PCI
1119 select SYS_HAS_CPU_MIPS32_R1
1120 select SYS_HAS_EARLY_PRINTK
1121 select SYS_SUPPORTS_32BIT_KERNEL
1122 select GENERIC_GPIO
1123
1124 config SWAP_IO_SPACE
1125 bool
1126
1127 config SERIAL_RM9000
1128 bool
1129
1130 config SGI_HAS_INDYDOG
1131 bool
1132
1133 config SGI_HAS_HAL2
1134 bool
1135
1136 config SGI_HAS_SEEQ
1137 bool
1138
1139 config SGI_HAS_WD93
1140 bool
1141
1142 config SGI_HAS_ZILOG
1143 bool
1144
1145 config SGI_HAS_I8042
1146 bool
1147
1148 config DEFAULT_SGI_PARTITION
1149 bool
1150
1151 config ARC32
1152 bool
1153
1154 config SNIPROM
1155 bool
1156
1157 config BOOT_ELF32
1158 bool
1159
1160 config MIPS_L1_CACHE_SHIFT
1161 int
1162 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1163 default "6" if MIPS_CPU_SCACHE
1164 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1165 default "5"
1166
1167 config HAVE_STD_PC_SERIAL_PORT
1168 bool
1169
1170 config ARC_CONSOLE
1171 bool "ARC console support"
1172 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1173
1174 config ARC_MEMORY
1175 bool
1176 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1177 default y
1178
1179 config ARC_PROMLIB
1180 bool
1181 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1182 default y
1183
1184 config ARC64
1185 bool
1186
1187 config BOOT_ELF64
1188 bool
1189
1190 menu "CPU selection"
1191
1192 choice
1193 prompt "CPU type"
1194 default CPU_R4X00
1195
1196 config CPU_LOONGSON2E
1197 bool "Loongson 2E"
1198 depends on SYS_HAS_CPU_LOONGSON2E
1199 select CPU_LOONGSON2
1200 help
1201 The Loongson 2E processor implements the MIPS III instruction set
1202 with many extensions.
1203
1204 It has an internal FPGA northbridge, which is compatible to
1205 bonito64.
1206
1207 config CPU_LOONGSON2F
1208 bool "Loongson 2F"
1209 depends on SYS_HAS_CPU_LOONGSON2F
1210 select CPU_LOONGSON2
1211 select GENERIC_GPIO
1212 select ARCH_REQUIRE_GPIOLIB
1213 help
1214 The Loongson 2F processor implements the MIPS III instruction set
1215 with many extensions.
1216
1217 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1218 have a similar programming interface with FPGA northbridge used in
1219 Loongson2E.
1220
1221 config CPU_MIPS32_R1
1222 bool "MIPS32 Release 1"
1223 depends on SYS_HAS_CPU_MIPS32_R1
1224 select CPU_HAS_PREFETCH
1225 select CPU_SUPPORTS_32BIT_KERNEL
1226 select CPU_SUPPORTS_HIGHMEM
1227 help
1228 Choose this option to build a kernel for release 1 or later of the
1229 MIPS32 architecture. Most modern embedded systems with a 32-bit
1230 MIPS processor are based on a MIPS32 processor. If you know the
1231 specific type of processor in your system, choose those that one
1232 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1233 Release 2 of the MIPS32 architecture is available since several
1234 years so chances are you even have a MIPS32 Release 2 processor
1235 in which case you should choose CPU_MIPS32_R2 instead for better
1236 performance.
1237
1238 config CPU_MIPS32_R2
1239 bool "MIPS32 Release 2"
1240 depends on SYS_HAS_CPU_MIPS32_R2
1241 select CPU_HAS_PREFETCH
1242 select CPU_SUPPORTS_32BIT_KERNEL
1243 select CPU_SUPPORTS_HIGHMEM
1244 help
1245 Choose this option to build a kernel for release 2 or later of the
1246 MIPS32 architecture. Most modern embedded systems with a 32-bit
1247 MIPS processor are based on a MIPS32 processor. If you know the
1248 specific type of processor in your system, choose those that one
1249 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1250
1251 config CPU_MIPS64_R1
1252 bool "MIPS64 Release 1"
1253 depends on SYS_HAS_CPU_MIPS64_R1
1254 select CPU_HAS_PREFETCH
1255 select CPU_SUPPORTS_32BIT_KERNEL
1256 select CPU_SUPPORTS_64BIT_KERNEL
1257 select CPU_SUPPORTS_HIGHMEM
1258 select CPU_SUPPORTS_HUGEPAGES
1259 help
1260 Choose this option to build a kernel for release 1 or later of the
1261 MIPS64 architecture. Many modern embedded systems with a 64-bit
1262 MIPS processor are based on a MIPS64 processor. If you know the
1263 specific type of processor in your system, choose those that one
1264 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1265 Release 2 of the MIPS64 architecture is available since several
1266 years so chances are you even have a MIPS64 Release 2 processor
1267 in which case you should choose CPU_MIPS64_R2 instead for better
1268 performance.
1269
1270 config CPU_MIPS64_R2
1271 bool "MIPS64 Release 2"
1272 depends on SYS_HAS_CPU_MIPS64_R2
1273 select CPU_HAS_PREFETCH
1274 select CPU_SUPPORTS_32BIT_KERNEL
1275 select CPU_SUPPORTS_64BIT_KERNEL
1276 select CPU_SUPPORTS_HIGHMEM
1277 select CPU_SUPPORTS_HUGEPAGES
1278 help
1279 Choose this option to build a kernel for release 2 or later of the
1280 MIPS64 architecture. Many modern embedded systems with a 64-bit
1281 MIPS processor are based on a MIPS64 processor. If you know the
1282 specific type of processor in your system, choose those that one
1283 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1284
1285 config CPU_R3000
1286 bool "R3000"
1287 depends on SYS_HAS_CPU_R3000
1288 select CPU_HAS_WB
1289 select CPU_SUPPORTS_32BIT_KERNEL
1290 select CPU_SUPPORTS_HIGHMEM
1291 help
1292 Please make sure to pick the right CPU type. Linux/MIPS is not
1293 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1294 *not* work on R4000 machines and vice versa. However, since most
1295 of the supported machines have an R4000 (or similar) CPU, R4x00
1296 might be a safe bet. If the resulting kernel does not work,
1297 try to recompile with R3000.
1298
1299 config CPU_TX39XX
1300 bool "R39XX"
1301 depends on SYS_HAS_CPU_TX39XX
1302 select CPU_SUPPORTS_32BIT_KERNEL
1303
1304 config CPU_VR41XX
1305 bool "R41xx"
1306 depends on SYS_HAS_CPU_VR41XX
1307 select CPU_SUPPORTS_32BIT_KERNEL
1308 select CPU_SUPPORTS_64BIT_KERNEL
1309 help
1310 The options selects support for the NEC VR4100 series of processors.
1311 Only choose this option if you have one of these processors as a
1312 kernel built with this option will not run on any other type of
1313 processor or vice versa.
1314
1315 config CPU_R4300
1316 bool "R4300"
1317 depends on SYS_HAS_CPU_R4300
1318 select CPU_SUPPORTS_32BIT_KERNEL
1319 select CPU_SUPPORTS_64BIT_KERNEL
1320 help
1321 MIPS Technologies R4300-series processors.
1322
1323 config CPU_R4X00
1324 bool "R4x00"
1325 depends on SYS_HAS_CPU_R4X00
1326 select CPU_SUPPORTS_32BIT_KERNEL
1327 select CPU_SUPPORTS_64BIT_KERNEL
1328 help
1329 MIPS Technologies R4000-series processors other than 4300, including
1330 the R4000, R4400, R4600, and 4700.
1331
1332 config CPU_TX49XX
1333 bool "R49XX"
1334 depends on SYS_HAS_CPU_TX49XX
1335 select CPU_HAS_PREFETCH
1336 select CPU_SUPPORTS_32BIT_KERNEL
1337 select CPU_SUPPORTS_64BIT_KERNEL
1338
1339 config CPU_R5000
1340 bool "R5000"
1341 depends on SYS_HAS_CPU_R5000
1342 select CPU_SUPPORTS_32BIT_KERNEL
1343 select CPU_SUPPORTS_64BIT_KERNEL
1344 help
1345 MIPS Technologies R5000-series processors other than the Nevada.
1346
1347 config CPU_R5432
1348 bool "R5432"
1349 depends on SYS_HAS_CPU_R5432
1350 select CPU_SUPPORTS_32BIT_KERNEL
1351 select CPU_SUPPORTS_64BIT_KERNEL
1352
1353 config CPU_R5500
1354 bool "R5500"
1355 depends on SYS_HAS_CPU_R5500
1356 select CPU_SUPPORTS_32BIT_KERNEL
1357 select CPU_SUPPORTS_64BIT_KERNEL
1358 select CPU_SUPPORTS_HUGEPAGES
1359 help
1360 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1361 instruction set.
1362
1363 config CPU_R6000
1364 bool "R6000"
1365 depends on EXPERIMENTAL
1366 depends on SYS_HAS_CPU_R6000
1367 select CPU_SUPPORTS_32BIT_KERNEL
1368 help
1369 MIPS Technologies R6000 and R6000A series processors. Note these
1370 processors are extremely rare and the support for them is incomplete.
1371
1372 config CPU_NEVADA
1373 bool "RM52xx"
1374 depends on SYS_HAS_CPU_NEVADA
1375 select CPU_SUPPORTS_32BIT_KERNEL
1376 select CPU_SUPPORTS_64BIT_KERNEL
1377 help
1378 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1379
1380 config CPU_R8000
1381 bool "R8000"
1382 depends on EXPERIMENTAL
1383 depends on SYS_HAS_CPU_R8000
1384 select CPU_HAS_PREFETCH
1385 select CPU_SUPPORTS_64BIT_KERNEL
1386 help
1387 MIPS Technologies R8000 processors. Note these processors are
1388 uncommon and the support for them is incomplete.
1389
1390 config CPU_R10000
1391 bool "R10000"
1392 depends on SYS_HAS_CPU_R10000
1393 select CPU_HAS_PREFETCH
1394 select CPU_SUPPORTS_32BIT_KERNEL
1395 select CPU_SUPPORTS_64BIT_KERNEL
1396 select CPU_SUPPORTS_HIGHMEM
1397 help
1398 MIPS Technologies R10000-series processors.
1399
1400 config CPU_RM7000
1401 bool "RM7000"
1402 depends on SYS_HAS_CPU_RM7000
1403 select CPU_HAS_PREFETCH
1404 select CPU_SUPPORTS_32BIT_KERNEL
1405 select CPU_SUPPORTS_64BIT_KERNEL
1406 select CPU_SUPPORTS_HIGHMEM
1407
1408 config CPU_RM9000
1409 bool "RM9000"
1410 depends on SYS_HAS_CPU_RM9000
1411 select CPU_HAS_PREFETCH
1412 select CPU_SUPPORTS_32BIT_KERNEL
1413 select CPU_SUPPORTS_64BIT_KERNEL
1414 select CPU_SUPPORTS_HIGHMEM
1415 select WEAK_ORDERING
1416
1417 config CPU_SB1
1418 bool "SB1"
1419 depends on SYS_HAS_CPU_SB1
1420 select CPU_SUPPORTS_32BIT_KERNEL
1421 select CPU_SUPPORTS_64BIT_KERNEL
1422 select CPU_SUPPORTS_HIGHMEM
1423 select WEAK_ORDERING
1424
1425 config CPU_CAVIUM_OCTEON
1426 bool "Cavium Octeon processor"
1427 depends on SYS_HAS_CPU_CAVIUM_OCTEON
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 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
1790 default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
1791 range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
1792 default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
1793 range 11 64
1794 default "11"
1795 help
1796 The kernel memory allocator divides physically contiguous memory
1797 blocks into "zones", where each zone is a power of two number of
1798 pages. This option selects the largest power of two that the kernel
1799 keeps in the memory allocator. If you need to allocate very large
1800 blocks of physically contiguous memory, then you may need to
1801 increase this value.
1802
1803 This config option is actually maximum order plus one. For example,
1804 a value of 11 means that the largest free memory block is 2^10 pages.
1805
1806 The page size is not necessarily 4KB. Keep this in mind
1807 when choosing a value for this option.
1808
1809 config BOARD_SCACHE
1810 bool
1811
1812 config IP22_CPU_SCACHE
1813 bool
1814 select BOARD_SCACHE
1815
1816 #
1817 # Support for a MIPS32 / MIPS64 style S-caches
1818 #
1819 config MIPS_CPU_SCACHE
1820 bool
1821 select BOARD_SCACHE
1822
1823 config R5000_CPU_SCACHE
1824 bool
1825 select BOARD_SCACHE
1826
1827 config RM7000_CPU_SCACHE
1828 bool
1829 select BOARD_SCACHE
1830
1831 config SIBYTE_DMA_PAGEOPS
1832 bool "Use DMA to clear/copy pages"
1833 depends on CPU_SB1
1834 help
1835 Instead of using the CPU to zero and copy pages, use a Data Mover
1836 channel. These DMA channels are otherwise unused by the standard
1837 SiByte Linux port. Seems to give a small performance benefit.
1838
1839 config CPU_HAS_PREFETCH
1840 bool
1841
1842 choice
1843 prompt "MIPS MT options"
1844
1845 config MIPS_MT_DISABLED
1846 bool "Disable multithreading support."
1847 help
1848 Use this option if your workload can't take advantage of
1849 MIPS hardware multithreading support. On systems that don't have
1850 the option of an MT-enabled processor this option will be the only
1851 option in this menu.
1852
1853 config MIPS_MT_SMP
1854 bool "Use 1 TC on each available VPE for SMP"
1855 depends on SYS_SUPPORTS_MULTITHREADING
1856 select CPU_MIPSR2_IRQ_VI
1857 select CPU_MIPSR2_IRQ_EI
1858 select MIPS_MT
1859 select NR_CPUS_DEFAULT_2
1860 select SMP
1861 select SYS_SUPPORTS_SCHED_SMT if SMP
1862 select SYS_SUPPORTS_SMP
1863 select SMP_UP
1864 help
1865 This is a kernel model which is known a VSMP but lately has been
1866 marketesed into SMVP.
1867 Virtual SMP uses the processor's VPEs to implement virtual
1868 processors. In currently available configuration of the 34K processor
1869 this allows for a dual processor. Both processors will share the same
1870 primary caches; each will obtain the half of the TLB for it's own
1871 exclusive use. For a layman this model can be described as similar to
1872 what Intel calls Hyperthreading.
1873
1874 For further information see http://www.linux-mips.org/wiki/34K#VSMP
1875
1876 config MIPS_MT_SMTC
1877 bool "SMTC: Use all TCs on all VPEs for SMP"
1878 depends on CPU_MIPS32_R2
1879 #depends on CPU_MIPS64_R2 # once there is hardware ...
1880 depends on SYS_SUPPORTS_MULTITHREADING
1881 select CPU_MIPSR2_IRQ_VI
1882 select CPU_MIPSR2_IRQ_EI
1883 select MIPS_MT
1884 select NR_CPUS_DEFAULT_8
1885 select SMP
1886 select SYS_SUPPORTS_SMP
1887 select SMP_UP
1888 help
1889 This is a kernel model which is known a SMTC or lately has been
1890 marketesed into SMVP.
1891 is presenting the available TC's of the core as processors to Linux.
1892 On currently available 34K processors this means a Linux system will
1893 see up to 5 processors. The implementation of the SMTC kernel differs
1894 significantly from VSMP and cannot efficiently coexist in the same
1895 kernel binary so the choice between VSMP and SMTC is a compile time
1896 decision.
1897
1898 For further information see http://www.linux-mips.org/wiki/34K#SMTC
1899
1900 endchoice
1901
1902 config MIPS_MT
1903 bool
1904
1905 config SCHED_SMT
1906 bool "SMT (multithreading) scheduler support"
1907 depends on SYS_SUPPORTS_SCHED_SMT
1908 default n
1909 help
1910 SMT scheduler support improves the CPU scheduler's decision making
1911 when dealing with MIPS MT enabled cores at a cost of slightly
1912 increased overhead in some places. If unsure say N here.
1913
1914 config SYS_SUPPORTS_SCHED_SMT
1915 bool
1916
1917
1918 config SYS_SUPPORTS_MULTITHREADING
1919 bool
1920
1921 config MIPS_MT_FPAFF
1922 bool "Dynamic FPU affinity for FP-intensive threads"
1923 default y
1924 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1925
1926 config MIPS_VPE_LOADER
1927 bool "VPE loader support."
1928 depends on SYS_SUPPORTS_MULTITHREADING
1929 select CPU_MIPSR2_IRQ_VI
1930 select CPU_MIPSR2_IRQ_EI
1931 select MIPS_MT
1932 help
1933 Includes a loader for loading an elf relocatable object
1934 onto another VPE and running it.
1935
1936 config MIPS_MT_SMTC_IM_BACKSTOP
1937 bool "Use per-TC register bits as backstop for inhibited IM bits"
1938 depends on MIPS_MT_SMTC
1939 default n
1940 help
1941 To support multiple TC microthreads acting as "CPUs" within
1942 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1943 during interrupt handling. To support legacy drivers and interrupt
1944 controller management code, SMTC has a "backstop" to track and
1945 if necessary restore the interrupt mask. This has some performance
1946 impact on interrupt service overhead.
1947
1948 config MIPS_MT_SMTC_IRQAFF
1949 bool "Support IRQ affinity API"
1950 depends on MIPS_MT_SMTC
1951 default n
1952 help
1953 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1954 for SMTC Linux kernel. Requires platform support, of which
1955 an example can be found in the MIPS kernel i8259 and Malta
1956 platform code. Adds some overhead to interrupt dispatch, and
1957 should be used only if you know what you are doing.
1958
1959 config MIPS_VPE_LOADER_TOM
1960 bool "Load VPE program into memory hidden from linux"
1961 depends on MIPS_VPE_LOADER
1962 default y
1963 help
1964 The loader can use memory that is present but has been hidden from
1965 Linux using the kernel command line option "mem=xxMB". It's up to
1966 you to ensure the amount you put in the option and the space your
1967 program requires is less or equal to the amount physically present.
1968
1969 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1970 config MIPS_VPE_APSP_API
1971 bool "Enable support for AP/SP API (RTLX)"
1972 depends on MIPS_VPE_LOADER
1973 help
1974
1975 config MIPS_APSP_KSPD
1976 bool "Enable KSPD"
1977 depends on MIPS_VPE_APSP_API
1978 default y
1979 help
1980 KSPD is a kernel daemon that accepts syscall requests from the SP
1981 side, actions them and returns the results. It also handles the
1982 "exit" syscall notifying other kernel modules the SP program is
1983 exiting. You probably want to say yes here.
1984
1985 config MIPS_CMP
1986 bool "MIPS CMP framework support"
1987 depends on SYS_SUPPORTS_MIPS_CMP
1988 select SYNC_R4K
1989 select SYS_SUPPORTS_SMP
1990 select SYS_SUPPORTS_SCHED_SMT if SMP
1991 select WEAK_ORDERING
1992 default n
1993 help
1994 This is a placeholder option for the GCMP work. It will need to
1995 be handled differently...
1996
1997 config SB1_PASS_1_WORKAROUNDS
1998 bool
1999 depends on CPU_SB1_PASS_1
2000 default y
2001
2002 config SB1_PASS_2_WORKAROUNDS
2003 bool
2004 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2005 default y
2006
2007 config SB1_PASS_2_1_WORKAROUNDS
2008 bool
2009 depends on CPU_SB1 && CPU_SB1_PASS_2
2010 default y
2011
2012 config 64BIT_PHYS_ADDR
2013 bool
2014
2015 config ARCH_PHYS_ADDR_T_64BIT
2016 def_bool 64BIT_PHYS_ADDR
2017
2018 config CPU_HAS_SMARTMIPS
2019 depends on SYS_SUPPORTS_SMARTMIPS
2020 bool "Support for the SmartMIPS ASE"
2021 help
2022 SmartMIPS is a extension of the MIPS32 architecture aimed at
2023 increased security at both hardware and software level for
2024 smartcards. Enabling this option will allow proper use of the
2025 SmartMIPS instructions by Linux applications. However a kernel with
2026 this option will not work on a MIPS core without SmartMIPS core. If
2027 you don't know you probably don't have SmartMIPS and should say N
2028 here.
2029
2030 config CPU_HAS_WB
2031 bool
2032
2033 config XKS01
2034 bool
2035
2036 #
2037 # Vectored interrupt mode is an R2 feature
2038 #
2039 config CPU_MIPSR2_IRQ_VI
2040 bool
2041
2042 #
2043 # Extended interrupt mode is an R2 feature
2044 #
2045 config CPU_MIPSR2_IRQ_EI
2046 bool
2047
2048 config CPU_HAS_SYNC
2049 bool
2050 depends on !CPU_R3000
2051 default y
2052
2053 config GENERIC_CLOCKEVENTS_BROADCAST
2054 bool
2055
2056 #
2057 # CPU non-features
2058 #
2059 config CPU_DADDI_WORKAROUNDS
2060 bool
2061
2062 config CPU_R4000_WORKAROUNDS
2063 bool
2064 select CPU_R4400_WORKAROUNDS
2065
2066 config CPU_R4400_WORKAROUNDS
2067 bool
2068
2069 #
2070 # - Highmem only makes sense for the 32-bit kernel.
2071 # - The current highmem code will only work properly on physically indexed
2072 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2073 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2074 # moment we protect the user and offer the highmem option only on machines
2075 # where it's known to be safe. This will not offer highmem on a few systems
2076 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2077 # indexed CPUs but we're playing safe.
2078 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2079 # know they might have memory configurations that could make use of highmem
2080 # support.
2081 #
2082 config HIGHMEM
2083 bool "High Memory Support"
2084 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2085
2086 config CPU_SUPPORTS_HIGHMEM
2087 bool
2088
2089 config SYS_SUPPORTS_HIGHMEM
2090 bool
2091
2092 config SYS_SUPPORTS_SMARTMIPS
2093 bool
2094
2095 config ARCH_FLATMEM_ENABLE
2096 def_bool y
2097 depends on !NUMA && !CPU_LOONGSON2
2098
2099 config ARCH_DISCONTIGMEM_ENABLE
2100 bool
2101 default y if SGI_IP27
2102 help
2103 Say Y to support efficient handling of discontiguous physical memory,
2104 for architectures which are either NUMA (Non-Uniform Memory Access)
2105 or have huge holes in the physical address space for other reasons.
2106 See <file:Documentation/vm/numa> for more.
2107
2108 config ARCH_SPARSEMEM_ENABLE
2109 bool
2110 select SPARSEMEM_STATIC
2111
2112 config NUMA
2113 bool "NUMA Support"
2114 depends on SYS_SUPPORTS_NUMA
2115 help
2116 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2117 Access). This option improves performance on systems with more
2118 than two nodes; on two node systems it is generally better to
2119 leave it disabled; on single node systems disable this option
2120 disabled.
2121
2122 config SYS_SUPPORTS_NUMA
2123 bool
2124
2125 config NODES_SHIFT
2126 int
2127 default "6"
2128 depends on NEED_MULTIPLE_NODES
2129
2130 config HW_PERF_EVENTS
2131 bool "Enable hardware performance counter support for perf events"
2132 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
2133 default y
2134 help
2135 Enable hardware performance counter support for perf events. If
2136 disabled, perf events will use software events only.
2137
2138 source "mm/Kconfig"
2139
2140 config SMP
2141 bool "Multi-Processing support"
2142 depends on SYS_SUPPORTS_SMP
2143 select IRQ_PER_CPU
2144 select USE_GENERIC_SMP_HELPERS
2145 help
2146 This enables support for systems with more than one CPU. If you have
2147 a system with only one CPU, like most personal computers, say N. If
2148 you have a system with more than one CPU, say Y.
2149
2150 If you say N here, the kernel will run on single and multiprocessor
2151 machines, but will use only one CPU of a multiprocessor machine. If
2152 you say Y here, the kernel will run on many, but not all,
2153 singleprocessor machines. On a singleprocessor machine, the kernel
2154 will run faster if you say N here.
2155
2156 People using multiprocessor machines who say Y here should also say
2157 Y to "Enhanced Real Time Clock Support", below.
2158
2159 See also the SMP-HOWTO available at
2160 <http://www.tldp.org/docs.html#howto>.
2161
2162 If you don't know what to do here, say N.
2163
2164 config SMP_UP
2165 bool
2166
2167 config SYS_SUPPORTS_MIPS_CMP
2168 bool
2169
2170 config SYS_SUPPORTS_SMP
2171 bool
2172
2173 config NR_CPUS_DEFAULT_1
2174 bool
2175
2176 config NR_CPUS_DEFAULT_2
2177 bool
2178
2179 config NR_CPUS_DEFAULT_4
2180 bool
2181
2182 config NR_CPUS_DEFAULT_8
2183 bool
2184
2185 config NR_CPUS_DEFAULT_16
2186 bool
2187
2188 config NR_CPUS_DEFAULT_32
2189 bool
2190
2191 config NR_CPUS_DEFAULT_64
2192 bool
2193
2194 config NR_CPUS
2195 int "Maximum number of CPUs (2-64)"
2196 range 1 64 if NR_CPUS_DEFAULT_1
2197 depends on SMP
2198 default "1" if NR_CPUS_DEFAULT_1
2199 default "2" if NR_CPUS_DEFAULT_2
2200 default "4" if NR_CPUS_DEFAULT_4
2201 default "8" if NR_CPUS_DEFAULT_8
2202 default "16" if NR_CPUS_DEFAULT_16
2203 default "32" if NR_CPUS_DEFAULT_32
2204 default "64" if NR_CPUS_DEFAULT_64
2205 help
2206 This allows you to specify the maximum number of CPUs which this
2207 kernel will support. The maximum supported value is 32 for 32-bit
2208 kernel and 64 for 64-bit kernels; the minimum value which makes
2209 sense is 1 for Qemu (useful only for kernel debugging purposes)
2210 and 2 for all others.
2211
2212 This is purely to save memory - each supported CPU adds
2213 approximately eight kilobytes to the kernel image. For best
2214 performance should round up your number of processors to the next
2215 power of two.
2216
2217 source "kernel/time/Kconfig"
2218
2219 #
2220 # Timer Interrupt Frequency Configuration
2221 #
2222
2223 choice
2224 prompt "Timer frequency"
2225 default HZ_250
2226 help
2227 Allows the configuration of the timer frequency.
2228
2229 config HZ_48
2230 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2231
2232 config HZ_100
2233 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2234
2235 config HZ_128
2236 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2237
2238 config HZ_250
2239 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2240
2241 config HZ_256
2242 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2243
2244 config HZ_1000
2245 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2246
2247 config HZ_1024
2248 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2249
2250 endchoice
2251
2252 config SYS_SUPPORTS_48HZ
2253 bool
2254
2255 config SYS_SUPPORTS_100HZ
2256 bool
2257
2258 config SYS_SUPPORTS_128HZ
2259 bool
2260
2261 config SYS_SUPPORTS_250HZ
2262 bool
2263
2264 config SYS_SUPPORTS_256HZ
2265 bool
2266
2267 config SYS_SUPPORTS_1000HZ
2268 bool
2269
2270 config SYS_SUPPORTS_1024HZ
2271 bool
2272
2273 config SYS_SUPPORTS_ARBIT_HZ
2274 bool
2275 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2276 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2277 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2278 !SYS_SUPPORTS_1024HZ
2279
2280 config HZ
2281 int
2282 default 48 if HZ_48
2283 default 100 if HZ_100
2284 default 128 if HZ_128
2285 default 250 if HZ_250
2286 default 256 if HZ_256
2287 default 1000 if HZ_1000
2288 default 1024 if HZ_1024
2289
2290 source "kernel/Kconfig.preempt"
2291
2292 config KEXEC
2293 bool "Kexec system call (EXPERIMENTAL)"
2294 depends on EXPERIMENTAL
2295 help
2296 kexec is a system call that implements the ability to shutdown your
2297 current kernel, and to start another kernel. It is like a reboot
2298 but it is independent of the system firmware. And like a reboot
2299 you can start any kernel with it, not just Linux.
2300
2301 The name comes from the similarity to the exec system call.
2302
2303 It is an ongoing process to be certain the hardware in a machine
2304 is properly shutdown, so do not be surprised if this code does not
2305 initially work for you. It may help to enable device hotplugging
2306 support. As of this writing the exact hardware interface is
2307 strongly in flux, so no good recommendation can be made.
2308
2309 config SECCOMP
2310 bool "Enable seccomp to safely compute untrusted bytecode"
2311 depends on PROC_FS
2312 default y
2313 help
2314 This kernel feature is useful for number crunching applications
2315 that may need to compute untrusted bytecode during their
2316 execution. By using pipes or other transports made available to
2317 the process as file descriptors supporting the read/write
2318 syscalls, it's possible to isolate those applications in
2319 their own address space using seccomp. Once seccomp is
2320 enabled via /proc/<pid>/seccomp, it cannot be disabled
2321 and the task is only allowed to execute a few safe syscalls
2322 defined by each seccomp mode.
2323
2324 If unsure, say Y. Only embedded should say N here.
2325
2326 config USE_OF
2327 bool "Flattened Device Tree support"
2328 select OF
2329 select OF_EARLY_FLATTREE
2330 select IRQ_DOMAIN
2331 help
2332 Include support for flattened device tree machine descriptions.
2333
2334 endmenu
2335
2336 config LOCKDEP_SUPPORT
2337 bool
2338 default y
2339
2340 config STACKTRACE_SUPPORT
2341 bool
2342 default y
2343
2344 source "init/Kconfig"
2345
2346 source "kernel/Kconfig.freezer"
2347
2348 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2349
2350 config HW_HAS_EISA
2351 bool
2352 config HW_HAS_PCI
2353 bool
2354
2355 config PCI
2356 bool "Support for PCI controller"
2357 depends on HW_HAS_PCI
2358 select PCI_DOMAINS
2359 select GENERIC_PCI_IOMAP
2360 select NO_GENERIC_PCI_IOPORT_MAP
2361 help
2362 Find out whether you have a PCI motherboard. PCI is the name of a
2363 bus system, i.e. the way the CPU talks to the other stuff inside
2364 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2365 say Y, otherwise N.
2366
2367 config PCI_DOMAINS
2368 bool
2369
2370 source "drivers/pci/Kconfig"
2371
2372 #
2373 # ISA support is now enabled via select. Too many systems still have the one
2374 # or other ISA chip on the board that users don't know about so don't expect
2375 # users to choose the right thing ...
2376 #
2377 config ISA
2378 bool
2379
2380 config EISA
2381 bool "EISA support"
2382 depends on HW_HAS_EISA
2383 select ISA
2384 select GENERIC_ISA_DMA
2385 ---help---
2386 The Extended Industry Standard Architecture (EISA) bus was
2387 developed as an open alternative to the IBM MicroChannel bus.
2388
2389 The EISA bus provided some of the features of the IBM MicroChannel
2390 bus while maintaining backward compatibility with cards made for
2391 the older ISA bus. The EISA bus saw limited use between 1988 and
2392 1995 when it was made obsolete by the PCI bus.
2393
2394 Say Y here if you are building a kernel for an EISA-based machine.
2395
2396 Otherwise, say N.
2397
2398 source "drivers/eisa/Kconfig"
2399
2400 config TC
2401 bool "TURBOchannel support"
2402 depends on MACH_DECSTATION
2403 help
2404 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2405 processors. TURBOchannel programming specifications are available
2406 at:
2407 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2408 and:
2409 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2410 Linux driver support status is documented at:
2411 <http://www.linux-mips.org/wiki/DECstation>
2412
2413 config MMU
2414 bool
2415 default y
2416
2417 config I8253
2418 bool
2419 select CLKSRC_I8253
2420 select CLKEVT_I8253
2421 select MIPS_EXTERNAL_TIMER
2422
2423 config ZONE_DMA32
2424 bool
2425
2426 source "drivers/pcmcia/Kconfig"
2427
2428 source "drivers/pci/hotplug/Kconfig"
2429
2430 config RAPIDIO
2431 bool "RapidIO support"
2432 depends on PCI
2433 default n
2434 help
2435 If you say Y here, the kernel will include drivers and
2436 infrastructure code to support RapidIO interconnect devices.
2437
2438 source "drivers/rapidio/Kconfig"
2439
2440 endmenu
2441
2442 menu "Executable file formats"
2443
2444 source "fs/Kconfig.binfmt"
2445
2446 config TRAD_SIGNALS
2447 bool
2448
2449 config MIPS32_COMPAT
2450 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2451 depends on 64BIT
2452 help
2453 Select this option if you want Linux/MIPS 32-bit binary
2454 compatibility. Since all software available for Linux/MIPS is
2455 currently 32-bit you should say Y here.
2456
2457 config COMPAT
2458 bool
2459 depends on MIPS32_COMPAT
2460 select ARCH_WANT_OLD_COMPAT_IPC
2461 default y
2462
2463 config SYSVIPC_COMPAT
2464 bool
2465 depends on COMPAT && SYSVIPC
2466 default y
2467
2468 config MIPS32_O32
2469 bool "Kernel support for o32 binaries"
2470 depends on MIPS32_COMPAT
2471 help
2472 Select this option if you want to run o32 binaries. These are pure
2473 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2474 existing binaries are in this format.
2475
2476 If unsure, say Y.
2477
2478 config MIPS32_N32
2479 bool "Kernel support for n32 binaries"
2480 depends on MIPS32_COMPAT
2481 help
2482 Select this option if you want to run n32 binaries. These are
2483 64-bit binaries using 32-bit quantities for addressing and certain
2484 data that would normally be 64-bit. They are used in special
2485 cases.
2486
2487 If unsure, say N.
2488
2489 config BINFMT_ELF32
2490 bool
2491 default y if MIPS32_O32 || MIPS32_N32
2492
2493 endmenu
2494
2495 menu "Power management options"
2496
2497 config ARCH_HIBERNATION_POSSIBLE
2498 def_bool y
2499 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2500
2501 config ARCH_SUSPEND_POSSIBLE
2502 def_bool y
2503 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2504
2505 source "kernel/power/Kconfig"
2506
2507 endmenu
2508
2509 source "arch/mips/kernel/cpufreq/Kconfig"
2510
2511 source "net/Kconfig"
2512
2513 source "drivers/Kconfig"
2514
2515 source "fs/Kconfig"
2516
2517 source "arch/mips/Kconfig.debug"
2518
2519 source "security/Kconfig"
2520
2521 source "crypto/Kconfig"
2522
2523 source "lib/Kconfig"