Root/
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_ARCH_KGDB |
8 | # Horrible source of confusion. Die, die, die ... |
9 | select EMBEDDED |
10 | select RTC_LIB if !LEMOTE_FULOONG2E |
11 | |
12 | mainmenu "Linux/MIPS Kernel Configuration" |
13 | |
14 | menu "Machine selection" |
15 | |
16 | config ZONE_DMA |
17 | bool |
18 | |
19 | choice |
20 | prompt "System type" |
21 | default SGI_IP22 |
22 | |
23 | config MACH_ALCHEMY |
24 | bool "Alchemy processor based machines" |
25 | |
26 | config AR7 |
27 | bool "Texas Instruments AR7" |
28 | select BOOT_ELF32 |
29 | select DMA_NONCOHERENT |
30 | select CEVT_R4K |
31 | select CSRC_R4K |
32 | select IRQ_CPU |
33 | select NO_EXCEPT_FILL |
34 | select SWAP_IO_SPACE |
35 | select SYS_HAS_CPU_MIPS32_R1 |
36 | select SYS_HAS_EARLY_PRINTK |
37 | select SYS_SUPPORTS_32BIT_KERNEL |
38 | select SYS_SUPPORTS_LITTLE_ENDIAN |
39 | select GENERIC_GPIO |
40 | select GCD |
41 | select VLYNQ |
42 | help |
43 | Support for the Texas Instruments AR7 System-on-a-Chip |
44 | family: TNETD7100, 7200 and 7300. |
45 | |
46 | config BASLER_EXCITE |
47 | bool "Basler eXcite smart camera" |
48 | select CEVT_R4K |
49 | select CSRC_R4K |
50 | select DMA_COHERENT |
51 | select HW_HAS_PCI |
52 | select IRQ_CPU |
53 | select IRQ_CPU_RM7K |
54 | select IRQ_CPU_RM9K |
55 | select MIPS_RM9122 |
56 | select SYS_HAS_CPU_RM9000 |
57 | select SYS_SUPPORTS_32BIT_KERNEL |
58 | select SYS_SUPPORTS_BIG_ENDIAN |
59 | help |
60 | The eXcite is a smart camera platform manufactured by |
61 | Basler Vision Technologies AG. |
62 | |
63 | config BCM47XX |
64 | bool "BCM47XX based boards" |
65 | select CEVT_R4K |
66 | select CSRC_R4K |
67 | select DMA_NONCOHERENT |
68 | select HW_HAS_PCI |
69 | select IRQ_CPU |
70 | select SYS_HAS_CPU_MIPS32_R1 |
71 | select SYS_SUPPORTS_32BIT_KERNEL |
72 | select SYS_SUPPORTS_LITTLE_ENDIAN |
73 | select SSB |
74 | select SSB_DRIVER_MIPS |
75 | select SSB_DRIVER_EXTIF |
76 | select SSB_EMBEDDED |
77 | select SSB_PCICORE_HOSTMODE if PCI |
78 | select GENERIC_GPIO |
79 | select SYS_HAS_EARLY_PRINTK |
80 | select CFE |
81 | help |
82 | Support for BCM47XX based boards |
83 | |
84 | config BCM63XX |
85 | bool "Broadcom BCM63XX based boards" |
86 | select CEVT_R4K |
87 | select CSRC_R4K |
88 | select DMA_NONCOHERENT |
89 | select IRQ_CPU |
90 | select SYS_HAS_CPU_MIPS32_R1 |
91 | select SYS_SUPPORTS_32BIT_KERNEL |
92 | select SYS_SUPPORTS_BIG_ENDIAN |
93 | select SYS_HAS_EARLY_PRINTK |
94 | select SWAP_IO_SPACE |
95 | select ARCH_REQUIRE_GPIOLIB |
96 | help |
97 | Support for BCM63XX based boards |
98 | |
99 | config MIPS_COBALT |
100 | bool "Cobalt Server" |
101 | select CEVT_R4K |
102 | select CSRC_R4K |
103 | select CEVT_GT641XX |
104 | select DMA_NONCOHERENT |
105 | select HW_HAS_PCI |
106 | select I8253 |
107 | select I8259 |
108 | select IRQ_CPU |
109 | select IRQ_GT641XX |
110 | select PCI_GT64XXX_PCI0 |
111 | select PCI |
112 | select SYS_HAS_CPU_NEVADA |
113 | select SYS_HAS_EARLY_PRINTK |
114 | select SYS_SUPPORTS_32BIT_KERNEL |
115 | select SYS_SUPPORTS_64BIT_KERNEL |
116 | select SYS_SUPPORTS_LITTLE_ENDIAN |
117 | |
118 | config MACH_DECSTATION |
119 | bool "DECstations" |
120 | select BOOT_ELF32 |
121 | select CEVT_DS1287 |
122 | select CEVT_R4K |
123 | select CSRC_IOASIC |
124 | select CSRC_R4K |
125 | select CPU_DADDI_WORKAROUNDS if 64BIT |
126 | select CPU_R4000_WORKAROUNDS if 64BIT |
127 | select CPU_R4400_WORKAROUNDS if 64BIT |
128 | select DMA_NONCOHERENT |
129 | select NO_IOPORT |
130 | select IRQ_CPU |
131 | select SYS_HAS_CPU_R3000 |
132 | select SYS_HAS_CPU_R4X00 |
133 | select SYS_SUPPORTS_32BIT_KERNEL |
134 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
135 | select SYS_SUPPORTS_LITTLE_ENDIAN |
136 | select SYS_SUPPORTS_128HZ |
137 | select SYS_SUPPORTS_256HZ |
138 | select SYS_SUPPORTS_1024HZ |
139 | help |
140 | This enables support for DEC's MIPS based workstations. For details |
141 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the |
142 | DECstation porting pages on <http://decstation.unix-ag.org/>. |
143 | |
144 | If you have one of the following DECstation Models you definitely |
145 | want to choose R4xx0 for the CPU Type: |
146 | |
147 | DECstation 5000/50 |
148 | DECstation 5000/150 |
149 | DECstation 5000/260 |
150 | DECsystem 5900/260 |
151 | |
152 | otherwise choose R3000. |
153 | |
154 | config MACH_JAZZ |
155 | bool "Jazz family of machines" |
156 | select ARC |
157 | select ARC32 |
158 | select ARCH_MAY_HAVE_PC_FDC |
159 | select CEVT_R4K |
160 | select CSRC_R4K |
161 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
162 | select GENERIC_ISA_DMA |
163 | select IRQ_CPU |
164 | select I8253 |
165 | select I8259 |
166 | select ISA |
167 | select SYS_HAS_CPU_R4X00 |
168 | select SYS_SUPPORTS_32BIT_KERNEL |
169 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
170 | select SYS_SUPPORTS_100HZ |
171 | help |
172 | This a family of machines based on the MIPS R4030 chipset which was |
173 | used by several vendors to build RISC/os and Windows NT workstations. |
174 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
175 | Olivetti M700-10 workstations. |
176 | |
177 | config MACH_JZ |
178 | bool "Ingenic JZ4720/JZ4740 based machines" |
179 | |
180 | config LASAT |
181 | bool "LASAT Networks platforms" |
182 | select CEVT_R4K |
183 | select CSRC_R4K |
184 | select DMA_NONCOHERENT |
185 | select SYS_HAS_EARLY_PRINTK |
186 | select HW_HAS_PCI |
187 | select IRQ_CPU |
188 | select PCI_GT64XXX_PCI0 |
189 | select MIPS_NILE4 |
190 | select R5000_CPU_SCACHE |
191 | select SYS_HAS_CPU_R5000 |
192 | select SYS_SUPPORTS_32BIT_KERNEL |
193 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN |
194 | select SYS_SUPPORTS_LITTLE_ENDIAN |
195 | |
196 | config MACH_LOONGSON |
197 | bool "Loongson family of machines" |
198 | help |
199 | This enables the support of Loongson family of machines. |
200 | |
201 | Loongson is a family of general-purpose MIPS-compatible CPUs. |
202 | developed at Institute of Computing Technology (ICT), |
203 | Chinese Academy of Sciences (CAS) in the People's Republic |
204 | of China. The chief architect is Professor Weiwu Hu. |
205 | |
206 | config MIPS_MALTA |
207 | bool "MIPS Malta board" |
208 | select ARCH_MAY_HAVE_PC_FDC |
209 | select BOOT_ELF32 |
210 | select BOOT_RAW |
211 | select CEVT_R4K |
212 | select CSRC_R4K |
213 | select DMA_NONCOHERENT |
214 | select GENERIC_ISA_DMA |
215 | select IRQ_CPU |
216 | select IRQ_GIC |
217 | select HW_HAS_PCI |
218 | select I8253 |
219 | select I8259 |
220 | select MIPS_BOARDS_GEN |
221 | select MIPS_BONITO64 |
222 | select MIPS_CPU_SCACHE |
223 | select PCI_GT64XXX_PCI0 |
224 | select MIPS_MSC |
225 | select SWAP_IO_SPACE |
226 | select SYS_HAS_CPU_MIPS32_R1 |
227 | select SYS_HAS_CPU_MIPS32_R2 |
228 | select SYS_HAS_CPU_MIPS64_R1 |
229 | select SYS_HAS_CPU_NEVADA |
230 | select SYS_HAS_CPU_RM7000 |
231 | select SYS_HAS_EARLY_PRINTK |
232 | select SYS_SUPPORTS_32BIT_KERNEL |
233 | select SYS_SUPPORTS_64BIT_KERNEL |
234 | select SYS_SUPPORTS_BIG_ENDIAN |
235 | select SYS_SUPPORTS_LITTLE_ENDIAN |
236 | select SYS_SUPPORTS_MIPS_CMP |
237 | select SYS_SUPPORTS_MULTITHREADING |
238 | select SYS_SUPPORTS_SMARTMIPS |
239 | help |
240 | This enables support for the MIPS Technologies Malta evaluation |
241 | board. |
242 | |
243 | config MIPS_SIM |
244 | bool 'MIPS simulator (MIPSsim)' |
245 | select CEVT_R4K |
246 | select CSRC_R4K |
247 | select DMA_NONCOHERENT |
248 | select SYS_HAS_EARLY_PRINTK |
249 | select IRQ_CPU |
250 | select BOOT_RAW |
251 | select SYS_HAS_CPU_MIPS32_R1 |
252 | select SYS_HAS_CPU_MIPS32_R2 |
253 | select SYS_HAS_EARLY_PRINTK |
254 | select SYS_SUPPORTS_32BIT_KERNEL |
255 | select SYS_SUPPORTS_BIG_ENDIAN |
256 | select SYS_SUPPORTS_MULTITHREADING |
257 | select SYS_SUPPORTS_LITTLE_ENDIAN |
258 | help |
259 | This option enables support for MIPS Technologies MIPSsim software |
260 | emulator. |
261 | |
262 | config NEC_MARKEINS |
263 | bool "NEC EMMA2RH Mark-eins board" |
264 | select SOC_EMMA2RH |
265 | select HW_HAS_PCI |
266 | help |
267 | This enables support for the NEC Electronics Mark-eins boards. |
268 | |
269 | config MACH_VR41XX |
270 | bool "NEC VR4100 series based machines" |
271 | select CEVT_R4K |
272 | select CSRC_R4K |
273 | select SYS_HAS_CPU_VR41XX |
274 | select ARCH_REQUIRE_GPIOLIB |
275 | |
276 | config NXP_STB220 |
277 | bool "NXP STB220 board" |
278 | select SOC_PNX833X |
279 | help |
280 | Support for NXP Semiconductors STB220 Development Board. |
281 | |
282 | config NXP_STB225 |
283 | bool "NXP 225 board" |
284 | select SOC_PNX833X |
285 | select SOC_PNX8335 |
286 | help |
287 | Support for NXP Semiconductors STB225 Development Board. |
288 | |
289 | config PNX8550_JBS |
290 | bool "NXP PNX8550 based JBS board" |
291 | select PNX8550 |
292 | select SYS_SUPPORTS_LITTLE_ENDIAN |
293 | |
294 | config PNX8550_STB810 |
295 | bool "NXP PNX8550 based STB810 board" |
296 | select PNX8550 |
297 | select SYS_SUPPORTS_LITTLE_ENDIAN |
298 | |
299 | config PMC_MSP |
300 | bool "PMC-Sierra MSP chipsets" |
301 | depends on EXPERIMENTAL |
302 | select DMA_NONCOHERENT |
303 | select SWAP_IO_SPACE |
304 | select NO_EXCEPT_FILL |
305 | select BOOT_RAW |
306 | select SYS_HAS_CPU_MIPS32_R1 |
307 | select SYS_HAS_CPU_MIPS32_R2 |
308 | select SYS_SUPPORTS_32BIT_KERNEL |
309 | select SYS_SUPPORTS_BIG_ENDIAN |
310 | select IRQ_CPU |
311 | select SERIAL_8250 |
312 | select SERIAL_8250_CONSOLE |
313 | help |
314 | This adds support for the PMC-Sierra family of Multi-Service |
315 | Processor System-On-A-Chips. These parts include a number |
316 | of integrated peripherals, interfaces and DSPs in addition to |
317 | a variety of MIPS cores. |
318 | |
319 | config PMC_YOSEMITE |
320 | bool "PMC-Sierra Yosemite eval board" |
321 | select CEVT_R4K |
322 | select CSRC_R4K |
323 | select DMA_COHERENT |
324 | select HW_HAS_PCI |
325 | select IRQ_CPU |
326 | select IRQ_CPU_RM7K |
327 | select IRQ_CPU_RM9K |
328 | select SWAP_IO_SPACE |
329 | select SYS_HAS_CPU_RM9000 |
330 | select SYS_HAS_EARLY_PRINTK |
331 | select SYS_SUPPORTS_32BIT_KERNEL |
332 | select SYS_SUPPORTS_64BIT_KERNEL |
333 | select SYS_SUPPORTS_BIG_ENDIAN |
334 | select SYS_SUPPORTS_HIGHMEM |
335 | select SYS_SUPPORTS_SMP |
336 | help |
337 | Yosemite is an evaluation board for the RM9000x2 processor |
338 | manufactured by PMC-Sierra. |
339 | |
340 | config SGI_IP22 |
341 | bool "SGI IP22 (Indy/Indigo2)" |
342 | select ARC |
343 | select ARC32 |
344 | select BOOT_ELF32 |
345 | select CEVT_R4K |
346 | select CSRC_R4K |
347 | select DEFAULT_SGI_PARTITION |
348 | select DMA_NONCOHERENT |
349 | select HW_HAS_EISA |
350 | select I8253 |
351 | select I8259 |
352 | select IP22_CPU_SCACHE |
353 | select IRQ_CPU |
354 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
355 | select SGI_HAS_I8042 |
356 | select SGI_HAS_INDYDOG |
357 | select SGI_HAS_HAL2 |
358 | select SGI_HAS_SEEQ |
359 | select SGI_HAS_WD93 |
360 | select SGI_HAS_ZILOG |
361 | select SWAP_IO_SPACE |
362 | select SYS_HAS_CPU_R4X00 |
363 | select SYS_HAS_CPU_R5000 |
364 | # |
365 | # Disable EARLY_PRINTK for now since it leads to overwritten prom |
366 | # memory during early boot on some machines. |
367 | # |
368 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com |
369 | # for a more details discussion |
370 | # |
371 | # select SYS_HAS_EARLY_PRINTK |
372 | select SYS_SUPPORTS_32BIT_KERNEL |
373 | select SYS_SUPPORTS_64BIT_KERNEL |
374 | select SYS_SUPPORTS_BIG_ENDIAN |
375 | help |
376 | This are the SGI Indy, Challenge S and Indigo2, as well as certain |
377 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel |
378 | that runs on these, say Y here. |
379 | |
380 | config SGI_IP27 |
381 | bool "SGI IP27 (Origin200/2000)" |
382 | select ARC |
383 | select ARC64 |
384 | select BOOT_ELF64 |
385 | select DEFAULT_SGI_PARTITION |
386 | select DMA_COHERENT |
387 | select SYS_HAS_EARLY_PRINTK |
388 | select HW_HAS_PCI |
389 | select NR_CPUS_DEFAULT_64 |
390 | select SYS_HAS_CPU_R10000 |
391 | select SYS_SUPPORTS_64BIT_KERNEL |
392 | select SYS_SUPPORTS_BIG_ENDIAN |
393 | select SYS_SUPPORTS_NUMA |
394 | select SYS_SUPPORTS_SMP |
395 | help |
396 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics |
397 | workstations. To compile a Linux kernel that runs on these, say Y |
398 | here. |
399 | |
400 | config SGI_IP28 |
401 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" |
402 | depends on EXPERIMENTAL |
403 | select ARC |
404 | select ARC64 |
405 | select BOOT_ELF64 |
406 | select CEVT_R4K |
407 | select CSRC_R4K |
408 | select DEFAULT_SGI_PARTITION |
409 | select DMA_NONCOHERENT |
410 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
411 | select IRQ_CPU |
412 | select HW_HAS_EISA |
413 | select I8253 |
414 | select I8259 |
415 | select SGI_HAS_I8042 |
416 | select SGI_HAS_INDYDOG |
417 | select SGI_HAS_HAL2 |
418 | select SGI_HAS_SEEQ |
419 | select SGI_HAS_WD93 |
420 | select SGI_HAS_ZILOG |
421 | select SWAP_IO_SPACE |
422 | select SYS_HAS_CPU_R10000 |
423 | # |
424 | # Disable EARLY_PRINTK for now since it leads to overwritten prom |
425 | # memory during early boot on some machines. |
426 | # |
427 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com |
428 | # for a more details discussion |
429 | # |
430 | # select SYS_HAS_EARLY_PRINTK |
431 | select SYS_SUPPORTS_64BIT_KERNEL |
432 | select SYS_SUPPORTS_BIG_ENDIAN |
433 | help |
434 | This is the SGI Indigo2 with R10000 processor. To compile a Linux |
435 | kernel that runs on these, say Y here. |
436 | |
437 | config SGI_IP32 |
438 | bool "SGI IP32 (O2)" |
439 | select ARC |
440 | select ARC32 |
441 | select BOOT_ELF32 |
442 | select CEVT_R4K |
443 | select CSRC_R4K |
444 | select DMA_NONCOHERENT |
445 | select HW_HAS_PCI |
446 | select IRQ_CPU |
447 | select R5000_CPU_SCACHE |
448 | select RM7000_CPU_SCACHE |
449 | select SYS_HAS_CPU_R5000 |
450 | select SYS_HAS_CPU_R10000 if BROKEN |
451 | select SYS_HAS_CPU_RM7000 |
452 | select SYS_HAS_CPU_NEVADA |
453 | select SYS_SUPPORTS_64BIT_KERNEL |
454 | select SYS_SUPPORTS_BIG_ENDIAN |
455 | help |
456 | If you want this kernel to run on SGI O2 workstation, say Y here. |
457 | |
458 | config SIBYTE_CRHINE |
459 | bool "Sibyte BCM91120C-CRhine" |
460 | depends on EXPERIMENTAL |
461 | select BOOT_ELF32 |
462 | select DMA_COHERENT |
463 | select SIBYTE_BCM1120 |
464 | select SWAP_IO_SPACE |
465 | select SYS_HAS_CPU_SB1 |
466 | select SYS_SUPPORTS_BIG_ENDIAN |
467 | select SYS_SUPPORTS_LITTLE_ENDIAN |
468 | |
469 | config SIBYTE_CARMEL |
470 | bool "Sibyte BCM91120x-Carmel" |
471 | depends on EXPERIMENTAL |
472 | select BOOT_ELF32 |
473 | select DMA_COHERENT |
474 | select SIBYTE_BCM1120 |
475 | select SWAP_IO_SPACE |
476 | select SYS_HAS_CPU_SB1 |
477 | select SYS_SUPPORTS_BIG_ENDIAN |
478 | select SYS_SUPPORTS_LITTLE_ENDIAN |
479 | |
480 | config SIBYTE_CRHONE |
481 | bool "Sibyte BCM91125C-CRhone" |
482 | depends on EXPERIMENTAL |
483 | select BOOT_ELF32 |
484 | select DMA_COHERENT |
485 | select SIBYTE_BCM1125 |
486 | select SWAP_IO_SPACE |
487 | select SYS_HAS_CPU_SB1 |
488 | select SYS_SUPPORTS_BIG_ENDIAN |
489 | select SYS_SUPPORTS_HIGHMEM |
490 | select SYS_SUPPORTS_LITTLE_ENDIAN |
491 | |
492 | config SIBYTE_RHONE |
493 | bool "Sibyte BCM91125E-Rhone" |
494 | depends on EXPERIMENTAL |
495 | select BOOT_ELF32 |
496 | select DMA_COHERENT |
497 | select SIBYTE_BCM1125H |
498 | select SWAP_IO_SPACE |
499 | select SYS_HAS_CPU_SB1 |
500 | select SYS_SUPPORTS_BIG_ENDIAN |
501 | select SYS_SUPPORTS_LITTLE_ENDIAN |
502 | |
503 | config SIBYTE_SWARM |
504 | bool "Sibyte BCM91250A-SWARM" |
505 | select BOOT_ELF32 |
506 | select DMA_COHERENT |
507 | select NR_CPUS_DEFAULT_2 |
508 | select SIBYTE_SB1250 |
509 | select SWAP_IO_SPACE |
510 | select SYS_HAS_CPU_SB1 |
511 | select SYS_SUPPORTS_BIG_ENDIAN |
512 | select SYS_SUPPORTS_HIGHMEM |
513 | select SYS_SUPPORTS_LITTLE_ENDIAN |
514 | select ZONE_DMA32 if 64BIT |
515 | |
516 | config SIBYTE_LITTLESUR |
517 | bool "Sibyte BCM91250C2-LittleSur" |
518 | depends on EXPERIMENTAL |
519 | select BOOT_ELF32 |
520 | select DMA_COHERENT |
521 | select NR_CPUS_DEFAULT_2 |
522 | select SIBYTE_SB1250 |
523 | select SWAP_IO_SPACE |
524 | select SYS_HAS_CPU_SB1 |
525 | select SYS_SUPPORTS_BIG_ENDIAN |
526 | select SYS_SUPPORTS_HIGHMEM |
527 | select SYS_SUPPORTS_LITTLE_ENDIAN |
528 | |
529 | config SIBYTE_SENTOSA |
530 | bool "Sibyte BCM91250E-Sentosa" |
531 | depends on EXPERIMENTAL |
532 | select BOOT_ELF32 |
533 | select DMA_COHERENT |
534 | select NR_CPUS_DEFAULT_2 |
535 | select SIBYTE_SB1250 |
536 | select SWAP_IO_SPACE |
537 | select SYS_HAS_CPU_SB1 |
538 | select SYS_SUPPORTS_BIG_ENDIAN |
539 | select SYS_SUPPORTS_LITTLE_ENDIAN |
540 | |
541 | config SIBYTE_BIGSUR |
542 | bool "Sibyte BCM91480B-BigSur" |
543 | select BOOT_ELF32 |
544 | select DMA_COHERENT |
545 | select NR_CPUS_DEFAULT_4 |
546 | select SIBYTE_BCM1x80 |
547 | select SWAP_IO_SPACE |
548 | select SYS_HAS_CPU_SB1 |
549 | select SYS_SUPPORTS_BIG_ENDIAN |
550 | select SYS_SUPPORTS_HIGHMEM |
551 | select SYS_SUPPORTS_LITTLE_ENDIAN |
552 | select ZONE_DMA32 if 64BIT |
553 | |
554 | config SNI_RM |
555 | bool "SNI RM200/300/400" |
556 | select ARC if CPU_LITTLE_ENDIAN |
557 | select ARC32 if CPU_LITTLE_ENDIAN |
558 | select SNIPROM if CPU_BIG_ENDIAN |
559 | select ARCH_MAY_HAVE_PC_FDC |
560 | select BOOT_ELF32 |
561 | select CEVT_R4K |
562 | select CSRC_R4K |
563 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
564 | select DMA_NONCOHERENT |
565 | select GENERIC_ISA_DMA |
566 | select HW_HAS_EISA |
567 | select HW_HAS_PCI |
568 | select IRQ_CPU |
569 | select I8253 |
570 | select I8259 |
571 | select ISA |
572 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
573 | select SYS_HAS_CPU_R4X00 |
574 | select SYS_HAS_CPU_R5000 |
575 | select SYS_HAS_CPU_R10000 |
576 | select R5000_CPU_SCACHE |
577 | select SYS_HAS_EARLY_PRINTK |
578 | select SYS_SUPPORTS_32BIT_KERNEL |
579 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
580 | select SYS_SUPPORTS_BIG_ENDIAN |
581 | select SYS_SUPPORTS_HIGHMEM |
582 | select SYS_SUPPORTS_LITTLE_ENDIAN |
583 | help |
584 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
585 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid |
586 | Technology and now in turn merged with Fujitsu. Say Y here to |
587 | support this machine type. |
588 | |
589 | config MACH_TX39XX |
590 | bool "Toshiba TX39 series based machines" |
591 | |
592 | config MACH_TX49XX |
593 | bool "Toshiba TX49 series based machines" |
594 | |
595 | config MIKROTIK_RB532 |
596 | bool "Mikrotik RB532 boards" |
597 | select CEVT_R4K |
598 | select CSRC_R4K |
599 | select DMA_NONCOHERENT |
600 | select HW_HAS_PCI |
601 | select IRQ_CPU |
602 | select SYS_HAS_CPU_MIPS32_R1 |
603 | select SYS_SUPPORTS_32BIT_KERNEL |
604 | select SYS_SUPPORTS_LITTLE_ENDIAN |
605 | select SWAP_IO_SPACE |
606 | select BOOT_RAW |
607 | select ARCH_REQUIRE_GPIOLIB |
608 | help |
609 | Support the Mikrotik(tm) RouterBoard 532 series, |
610 | based on the IDT RC32434 SoC. |
611 | |
612 | config WR_PPMC |
613 | bool "Wind River PPMC board" |
614 | select CEVT_R4K |
615 | select CSRC_R4K |
616 | select IRQ_CPU |
617 | select BOOT_ELF32 |
618 | select DMA_NONCOHERENT |
619 | select HW_HAS_PCI |
620 | select PCI_GT64XXX_PCI0 |
621 | select SWAP_IO_SPACE |
622 | select SYS_HAS_CPU_MIPS32_R1 |
623 | select SYS_HAS_CPU_MIPS32_R2 |
624 | select SYS_HAS_CPU_MIPS64_R1 |
625 | select SYS_HAS_CPU_NEVADA |
626 | select SYS_HAS_CPU_RM7000 |
627 | select SYS_SUPPORTS_32BIT_KERNEL |
628 | select SYS_SUPPORTS_64BIT_KERNEL |
629 | select SYS_SUPPORTS_BIG_ENDIAN |
630 | select SYS_SUPPORTS_LITTLE_ENDIAN |
631 | help |
632 | This enables support for the Wind River MIPS32 4KC PPMC evaluation |
633 | board, which is based on GT64120 bridge chip. |
634 | |
635 | config CAVIUM_OCTEON_SIMULATOR |
636 | bool "Cavium Networks Octeon Simulator" |
637 | select CEVT_R4K |
638 | select 64BIT_PHYS_ADDR |
639 | select DMA_COHERENT |
640 | select SYS_SUPPORTS_64BIT_KERNEL |
641 | select SYS_SUPPORTS_BIG_ENDIAN |
642 | select SYS_SUPPORTS_HIGHMEM |
643 | select SYS_SUPPORTS_HOTPLUG_CPU |
644 | select SYS_HAS_CPU_CAVIUM_OCTEON |
645 | help |
646 | The Octeon simulator is software performance model of the Cavium |
647 | Octeon Processor. It supports simulating Octeon processors on x86 |
648 | hardware. |
649 | |
650 | config CAVIUM_OCTEON_REFERENCE_BOARD |
651 | bool "Cavium Networks Octeon reference board" |
652 | select CEVT_R4K |
653 | select 64BIT_PHYS_ADDR |
654 | select DMA_COHERENT |
655 | select SYS_SUPPORTS_64BIT_KERNEL |
656 | select SYS_SUPPORTS_BIG_ENDIAN |
657 | select SYS_SUPPORTS_HIGHMEM |
658 | select SYS_SUPPORTS_HOTPLUG_CPU |
659 | select SYS_HAS_EARLY_PRINTK |
660 | select SYS_HAS_CPU_CAVIUM_OCTEON |
661 | select SWAP_IO_SPACE |
662 | select HW_HAS_PCI |
663 | select ARCH_SUPPORTS_MSI |
664 | help |
665 | This option supports all of the Octeon reference boards from Cavium |
666 | Networks. It builds a kernel that dynamically determines the Octeon |
667 | CPU type and supports all known board reference implementations. |
668 | Some of the supported boards are: |
669 | EBT3000 |
670 | EBH3000 |
671 | EBH3100 |
672 | Thunder |
673 | Kodama |
674 | Hikari |
675 | Say Y here for most Octeon reference boards. |
676 | |
677 | endchoice |
678 | |
679 | source "arch/mips/alchemy/Kconfig" |
680 | source "arch/mips/basler/excite/Kconfig" |
681 | source "arch/mips/bcm63xx/Kconfig" |
682 | source "arch/mips/jazz/Kconfig" |
683 | source "arch/mips/jz4740/Kconfig" |
684 | source "arch/mips/lasat/Kconfig" |
685 | source "arch/mips/pmc-sierra/Kconfig" |
686 | source "arch/mips/sgi-ip27/Kconfig" |
687 | source "arch/mips/sibyte/Kconfig" |
688 | source "arch/mips/txx9/Kconfig" |
689 | source "arch/mips/vr41xx/Kconfig" |
690 | source "arch/mips/cavium-octeon/Kconfig" |
691 | source "arch/mips/loongson/Kconfig" |
692 | |
693 | endmenu |
694 | |
695 | config RWSEM_GENERIC_SPINLOCK |
696 | bool |
697 | default y |
698 | |
699 | config RWSEM_XCHGADD_ALGORITHM |
700 | bool |
701 | |
702 | config ARCH_HAS_ILOG2_U32 |
703 | bool |
704 | default n |
705 | |
706 | config ARCH_HAS_ILOG2_U64 |
707 | bool |
708 | default n |
709 | |
710 | config ARCH_SUPPORTS_OPROFILE |
711 | bool |
712 | default y if !MIPS_MT_SMTC |
713 | |
714 | config GENERIC_FIND_NEXT_BIT |
715 | bool |
716 | default y |
717 | |
718 | config GENERIC_HWEIGHT |
719 | bool |
720 | default y |
721 | |
722 | config GENERIC_CALIBRATE_DELAY |
723 | bool |
724 | default y |
725 | |
726 | config GENERIC_CLOCKEVENTS |
727 | bool |
728 | default y |
729 | |
730 | config GENERIC_TIME |
731 | bool |
732 | default y |
733 | |
734 | config GENERIC_CMOS_UPDATE |
735 | bool |
736 | default y |
737 | |
738 | config SCHED_OMIT_FRAME_POINTER |
739 | bool |
740 | default y |
741 | |
742 | config GENERIC_HARDIRQS_NO__DO_IRQ |
743 | def_bool y |
744 | |
745 | # |
746 | # Select some configuration options automatically based on user selections. |
747 | # |
748 | config ARC |
749 | bool |
750 | |
751 | config ARCH_MAY_HAVE_PC_FDC |
752 | bool |
753 | |
754 | config BOOT_RAW |
755 | bool |
756 | |
757 | config CEVT_BCM1480 |
758 | bool |
759 | |
760 | config CEVT_DS1287 |
761 | bool |
762 | |
763 | config CEVT_GT641XX |
764 | bool |
765 | |
766 | config CEVT_R4K_LIB |
767 | bool |
768 | |
769 | config CEVT_R4K |
770 | select CEVT_R4K_LIB |
771 | bool |
772 | |
773 | config CEVT_SB1250 |
774 | bool |
775 | |
776 | config CEVT_TXX9 |
777 | bool |
778 | |
779 | config CSRC_BCM1480 |
780 | bool |
781 | |
782 | config CSRC_IOASIC |
783 | bool |
784 | |
785 | config CSRC_R4K_LIB |
786 | bool |
787 | |
788 | config CSRC_R4K |
789 | select CSRC_R4K_LIB |
790 | bool |
791 | |
792 | config CSRC_SB1250 |
793 | bool |
794 | |
795 | config GPIO_TXX9 |
796 | select GENERIC_GPIO |
797 | select ARCH_REQUIRE_GPIOLIB |
798 | bool |
799 | |
800 | config CFE |
801 | bool |
802 | |
803 | config DMA_COHERENT |
804 | bool |
805 | |
806 | config DMA_NONCOHERENT |
807 | bool |
808 | select DMA_NEED_PCI_MAP_STATE |
809 | |
810 | config DMA_NEED_PCI_MAP_STATE |
811 | bool |
812 | |
813 | config EARLY_PRINTK |
814 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
815 | depends on SYS_HAS_EARLY_PRINTK |
816 | default y |
817 | help |
818 | This option enables special console drivers which allow the kernel |
819 | to print messages very early in the bootup process. |
820 | |
821 | This is useful for kernel debugging when your machine crashes very |
822 | early before the console code is initialized. For normal operation, |
823 | it is not recommended because it looks ugly on some machines and |
824 | doesn't cooperate with an X server. You should normally say N here, |
825 | unless you want to debug such a crash. |
826 | |
827 | config SYS_HAS_EARLY_PRINTK |
828 | bool |
829 | |
830 | config HOTPLUG_CPU |
831 | bool "Support for hot-pluggable CPUs" |
832 | depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU |
833 | help |
834 | Say Y here to allow turning CPUs off and on. CPUs can be |
835 | controlled through /sys/devices/system/cpu. |
836 | (Note: power management support will enable this option |
837 | automatically on SMP systems. ) |
838 | Say N if you want to disable CPU hotplug. |
839 | |
840 | config SYS_SUPPORTS_HOTPLUG_CPU |
841 | bool |
842 | |
843 | config I8259 |
844 | bool |
845 | |
846 | config MIPS_BONITO64 |
847 | bool |
848 | |
849 | config MIPS_FPU_EMU |
850 | bool "Enable FPU emulation" |
851 | default y |
852 | help |
853 | This option allows building a kernel with or without the Algorithmics |
854 | FPU emulator enabled. Turning off this option results in a kernel which |
855 | does not catch floating operations exceptions. Make sure that your toolchain |
856 | is configured to enable software floating point emulation in that case. |
857 | |
858 | If unsure say Y here. |
859 | |
860 | config MIPS_MSC |
861 | bool |
862 | |
863 | config MIPS_NILE4 |
864 | bool |
865 | |
866 | config MIPS_DISABLE_OBSOLETE_IDE |
867 | bool |
868 | |
869 | config SYNC_R4K |
870 | bool |
871 | |
872 | config MIPS_MACHINE |
873 | def_bool n |
874 | |
875 | config IMAGE_CMDLINE_HACK |
876 | bool "OpenWrt specific image command line hack" |
877 | default n |
878 | |
879 | config NO_IOPORT |
880 | def_bool n |
881 | |
882 | config GENERIC_ISA_DMA |
883 | bool |
884 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n |
885 | |
886 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
887 | bool |
888 | select GENERIC_ISA_DMA |
889 | |
890 | config GENERIC_GPIO |
891 | bool |
892 | |
893 | # |
894 | # Endianess selection. Sufficiently obscure so many users don't know what to |
895 | # answer,so we try hard to limit the available choices. Also the use of a |
896 | # choice statement should be more obvious to the user. |
897 | # |
898 | choice |
899 | prompt "Endianess selection" |
900 | help |
901 | Some MIPS machines can be configured for either little or big endian |
902 | byte order. These modes require different kernels and a different |
903 | Linux distribution. In general there is one preferred byteorder for a |
904 | particular system but some systems are just as commonly used in the |
905 | one or the other endianness. |
906 | |
907 | config CPU_BIG_ENDIAN |
908 | bool "Big endian" |
909 | depends on SYS_SUPPORTS_BIG_ENDIAN |
910 | |
911 | config CPU_LITTLE_ENDIAN |
912 | bool "Little endian" |
913 | depends on SYS_SUPPORTS_LITTLE_ENDIAN |
914 | help |
915 | |
916 | endchoice |
917 | |
918 | config SYS_SUPPORTS_APM_EMULATION |
919 | bool |
920 | |
921 | config SYS_SUPPORTS_BIG_ENDIAN |
922 | bool |
923 | |
924 | config SYS_SUPPORTS_LITTLE_ENDIAN |
925 | bool |
926 | |
927 | config SYS_SUPPORTS_HUGETLBFS |
928 | bool |
929 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT |
930 | default y |
931 | |
932 | config IRQ_CPU |
933 | bool |
934 | |
935 | config IRQ_CPU_RM7K |
936 | bool |
937 | |
938 | config IRQ_CPU_RM9K |
939 | bool |
940 | |
941 | config IRQ_MSP_SLP |
942 | bool |
943 | |
944 | config IRQ_MSP_CIC |
945 | bool |
946 | |
947 | config IRQ_TXX9 |
948 | bool |
949 | |
950 | config IRQ_GT641XX |
951 | bool |
952 | |
953 | config IRQ_GIC |
954 | bool |
955 | |
956 | config IRQ_CPU_OCTEON |
957 | bool |
958 | |
959 | config MIPS_BOARDS_GEN |
960 | bool |
961 | |
962 | config PCI_GT64XXX_PCI0 |
963 | bool |
964 | |
965 | config NO_EXCEPT_FILL |
966 | bool |
967 | |
968 | config MIPS_RM9122 |
969 | bool |
970 | select SERIAL_RM9000 |
971 | |
972 | config SOC_EMMA2RH |
973 | bool |
974 | select CEVT_R4K |
975 | select CSRC_R4K |
976 | select DMA_NONCOHERENT |
977 | select IRQ_CPU |
978 | select SWAP_IO_SPACE |
979 | select SYS_HAS_CPU_R5500 |
980 | select SYS_SUPPORTS_32BIT_KERNEL |
981 | select SYS_SUPPORTS_64BIT_KERNEL |
982 | select SYS_SUPPORTS_BIG_ENDIAN |
983 | |
984 | config SOC_PNX833X |
985 | bool |
986 | select CEVT_R4K |
987 | select CSRC_R4K |
988 | select IRQ_CPU |
989 | select DMA_NONCOHERENT |
990 | select SYS_HAS_CPU_MIPS32_R2 |
991 | select SYS_SUPPORTS_32BIT_KERNEL |
992 | select SYS_SUPPORTS_LITTLE_ENDIAN |
993 | select SYS_SUPPORTS_BIG_ENDIAN |
994 | select GENERIC_GPIO |
995 | select CPU_MIPSR2_IRQ_VI |
996 | |
997 | config SOC_PNX8335 |
998 | bool |
999 | select SOC_PNX833X |
1000 | |
1001 | config PNX8550 |
1002 | bool |
1003 | select SOC_PNX8550 |
1004 | |
1005 | config SOC_PNX8550 |
1006 | bool |
1007 | select DMA_NONCOHERENT |
1008 | select HW_HAS_PCI |
1009 | select SYS_HAS_CPU_MIPS32_R1 |
1010 | select SYS_HAS_EARLY_PRINTK |
1011 | select SYS_SUPPORTS_32BIT_KERNEL |
1012 | select GENERIC_GPIO |
1013 | |
1014 | config SWAP_IO_SPACE |
1015 | bool |
1016 | |
1017 | config SERIAL_RM9000 |
1018 | bool |
1019 | |
1020 | config SGI_HAS_INDYDOG |
1021 | bool |
1022 | |
1023 | config SGI_HAS_HAL2 |
1024 | bool |
1025 | |
1026 | config SGI_HAS_SEEQ |
1027 | bool |
1028 | |
1029 | config SGI_HAS_WD93 |
1030 | bool |
1031 | |
1032 | config SGI_HAS_ZILOG |
1033 | bool |
1034 | |
1035 | config SGI_HAS_I8042 |
1036 | bool |
1037 | |
1038 | config DEFAULT_SGI_PARTITION |
1039 | bool |
1040 | |
1041 | config ARC32 |
1042 | bool |
1043 | |
1044 | config SNIPROM |
1045 | bool |
1046 | |
1047 | config BOOT_ELF32 |
1048 | bool |
1049 | |
1050 | config MIPS_L1_CACHE_SHIFT |
1051 | int |
1052 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL |
1053 | default "6" if MIPS_CPU_SCACHE |
1054 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
1055 | default "5" |
1056 | |
1057 | config HAVE_STD_PC_SERIAL_PORT |
1058 | bool |
1059 | |
1060 | config ARC_CONSOLE |
1061 | bool "ARC console support" |
1062 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1063 | |
1064 | config ARC_MEMORY |
1065 | bool |
1066 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1067 | default y |
1068 | |
1069 | config ARC_PROMLIB |
1070 | bool |
1071 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1072 | default y |
1073 | |
1074 | config ARC64 |
1075 | bool |
1076 | |
1077 | config BOOT_ELF64 |
1078 | bool |
1079 | |
1080 | menu "CPU selection" |
1081 | |
1082 | choice |
1083 | prompt "CPU type" |
1084 | default CPU_R4X00 |
1085 | |
1086 | config CPU_LOONGSON2E |
1087 | bool "Loongson 2E" |
1088 | depends on SYS_HAS_CPU_LOONGSON2E |
1089 | select CPU_LOONGSON2 |
1090 | help |
1091 | The Loongson 2E processor implements the MIPS III instruction set |
1092 | with many extensions. |
1093 | |
1094 | config CPU_MIPS32_R1 |
1095 | bool "MIPS32 Release 1" |
1096 | depends on SYS_HAS_CPU_MIPS32_R1 |
1097 | select CPU_HAS_PREFETCH |
1098 | select CPU_SUPPORTS_32BIT_KERNEL |
1099 | select CPU_SUPPORTS_HIGHMEM |
1100 | help |
1101 | Choose this option to build a kernel for release 1 or later of the |
1102 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1103 | MIPS processor are based on a MIPS32 processor. If you know the |
1104 | specific type of processor in your system, choose those that one |
1105 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. |
1106 | Release 2 of the MIPS32 architecture is available since several |
1107 | years so chances are you even have a MIPS32 Release 2 processor |
1108 | in which case you should choose CPU_MIPS32_R2 instead for better |
1109 | performance. |
1110 | |
1111 | config CPU_MIPS32_R2 |
1112 | bool "MIPS32 Release 2" |
1113 | depends on SYS_HAS_CPU_MIPS32_R2 |
1114 | select CPU_HAS_PREFETCH |
1115 | select CPU_SUPPORTS_32BIT_KERNEL |
1116 | select CPU_SUPPORTS_HIGHMEM |
1117 | help |
1118 | Choose this option to build a kernel for release 2 or later of the |
1119 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1120 | MIPS processor are based on a MIPS32 processor. If you know the |
1121 | specific type of processor in your system, choose those that one |
1122 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. |
1123 | |
1124 | config CPU_MIPS64_R1 |
1125 | bool "MIPS64 Release 1" |
1126 | depends on SYS_HAS_CPU_MIPS64_R1 |
1127 | select CPU_HAS_PREFETCH |
1128 | select CPU_SUPPORTS_32BIT_KERNEL |
1129 | select CPU_SUPPORTS_64BIT_KERNEL |
1130 | select CPU_SUPPORTS_HIGHMEM |
1131 | select CPU_SUPPORTS_HUGEPAGES |
1132 | help |
1133 | Choose this option to build a kernel for release 1 or later of the |
1134 | MIPS64 architecture. Many modern embedded systems with a 64-bit |
1135 | MIPS processor are based on a MIPS64 processor. If you know the |
1136 | specific type of processor in your system, choose those that one |
1137 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. |
1138 | Release 2 of the MIPS64 architecture is available since several |
1139 | years so chances are you even have a MIPS64 Release 2 processor |
1140 | in which case you should choose CPU_MIPS64_R2 instead for better |
1141 | performance. |
1142 | |
1143 | config CPU_MIPS64_R2 |
1144 | bool "MIPS64 Release 2" |
1145 | depends on SYS_HAS_CPU_MIPS64_R2 |
1146 | select CPU_HAS_PREFETCH |
1147 | select CPU_SUPPORTS_32BIT_KERNEL |
1148 | select CPU_SUPPORTS_64BIT_KERNEL |
1149 | select CPU_SUPPORTS_HIGHMEM |
1150 | select CPU_SUPPORTS_HUGEPAGES |
1151 | help |
1152 | Choose this option to build a kernel for release 2 or later of the |
1153 | MIPS64 architecture. Many modern embedded systems with a 64-bit |
1154 | MIPS processor are based on a MIPS64 processor. If you know the |
1155 | specific type of processor in your system, choose those that one |
1156 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. |
1157 | |
1158 | config CPU_R3000 |
1159 | bool "R3000" |
1160 | depends on SYS_HAS_CPU_R3000 |
1161 | select CPU_HAS_WB |
1162 | select CPU_SUPPORTS_32BIT_KERNEL |
1163 | select CPU_SUPPORTS_HIGHMEM |
1164 | help |
1165 | Please make sure to pick the right CPU type. Linux/MIPS is not |
1166 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will |
1167 | *not* work on R4000 machines and vice versa. However, since most |
1168 | of the supported machines have an R4000 (or similar) CPU, R4x00 |
1169 | might be a safe bet. If the resulting kernel does not work, |
1170 | try to recompile with R3000. |
1171 | |
1172 | config CPU_TX39XX |
1173 | bool "R39XX" |
1174 | depends on SYS_HAS_CPU_TX39XX |
1175 | select CPU_SUPPORTS_32BIT_KERNEL |
1176 | |
1177 | config CPU_VR41XX |
1178 | bool "R41xx" |
1179 | depends on SYS_HAS_CPU_VR41XX |
1180 | select CPU_SUPPORTS_32BIT_KERNEL |
1181 | select CPU_SUPPORTS_64BIT_KERNEL |
1182 | help |
1183 | The options selects support for the NEC VR4100 series of processors. |
1184 | Only choose this option if you have one of these processors as a |
1185 | kernel built with this option will not run on any other type of |
1186 | processor or vice versa. |
1187 | |
1188 | config CPU_R4300 |
1189 | bool "R4300" |
1190 | depends on SYS_HAS_CPU_R4300 |
1191 | select CPU_SUPPORTS_32BIT_KERNEL |
1192 | select CPU_SUPPORTS_64BIT_KERNEL |
1193 | help |
1194 | MIPS Technologies R4300-series processors. |
1195 | |
1196 | config CPU_R4X00 |
1197 | bool "R4x00" |
1198 | depends on SYS_HAS_CPU_R4X00 |
1199 | select CPU_SUPPORTS_32BIT_KERNEL |
1200 | select CPU_SUPPORTS_64BIT_KERNEL |
1201 | help |
1202 | MIPS Technologies R4000-series processors other than 4300, including |
1203 | the R4000, R4400, R4600, and 4700. |
1204 | |
1205 | config CPU_TX49XX |
1206 | bool "R49XX" |
1207 | depends on SYS_HAS_CPU_TX49XX |
1208 | select CPU_HAS_PREFETCH |
1209 | select CPU_SUPPORTS_32BIT_KERNEL |
1210 | select CPU_SUPPORTS_64BIT_KERNEL |
1211 | |
1212 | config CPU_R5000 |
1213 | bool "R5000" |
1214 | depends on SYS_HAS_CPU_R5000 |
1215 | select CPU_SUPPORTS_32BIT_KERNEL |
1216 | select CPU_SUPPORTS_64BIT_KERNEL |
1217 | help |
1218 | MIPS Technologies R5000-series processors other than the Nevada. |
1219 | |
1220 | config CPU_R5432 |
1221 | bool "R5432" |
1222 | depends on SYS_HAS_CPU_R5432 |
1223 | select CPU_SUPPORTS_32BIT_KERNEL |
1224 | select CPU_SUPPORTS_64BIT_KERNEL |
1225 | |
1226 | config CPU_R5500 |
1227 | bool "R5500" |
1228 | depends on SYS_HAS_CPU_R5500 |
1229 | select CPU_SUPPORTS_32BIT_KERNEL |
1230 | select CPU_SUPPORTS_64BIT_KERNEL |
1231 | select CPU_SUPPORTS_HUGEPAGES |
1232 | help |
1233 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV |
1234 | instruction set. |
1235 | |
1236 | config CPU_R6000 |
1237 | bool "R6000" |
1238 | depends on EXPERIMENTAL |
1239 | depends on SYS_HAS_CPU_R6000 |
1240 | select CPU_SUPPORTS_32BIT_KERNEL |
1241 | help |
1242 | MIPS Technologies R6000 and R6000A series processors. Note these |
1243 | processors are extremely rare and the support for them is incomplete. |
1244 | |
1245 | config CPU_NEVADA |
1246 | bool "RM52xx" |
1247 | depends on SYS_HAS_CPU_NEVADA |
1248 | select CPU_SUPPORTS_32BIT_KERNEL |
1249 | select CPU_SUPPORTS_64BIT_KERNEL |
1250 | help |
1251 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. |
1252 | |
1253 | config CPU_R8000 |
1254 | bool "R8000" |
1255 | depends on EXPERIMENTAL |
1256 | depends on SYS_HAS_CPU_R8000 |
1257 | select CPU_HAS_PREFETCH |
1258 | select CPU_SUPPORTS_64BIT_KERNEL |
1259 | help |
1260 | MIPS Technologies R8000 processors. Note these processors are |
1261 | uncommon and the support for them is incomplete. |
1262 | |
1263 | config CPU_R10000 |
1264 | bool "R10000" |
1265 | depends on SYS_HAS_CPU_R10000 |
1266 | select CPU_HAS_PREFETCH |
1267 | select CPU_SUPPORTS_32BIT_KERNEL |
1268 | select CPU_SUPPORTS_64BIT_KERNEL |
1269 | select CPU_SUPPORTS_HIGHMEM |
1270 | help |
1271 | MIPS Technologies R10000-series processors. |
1272 | |
1273 | config CPU_RM7000 |
1274 | bool "RM7000" |
1275 | depends on SYS_HAS_CPU_RM7000 |
1276 | select CPU_HAS_PREFETCH |
1277 | select CPU_SUPPORTS_32BIT_KERNEL |
1278 | select CPU_SUPPORTS_64BIT_KERNEL |
1279 | select CPU_SUPPORTS_HIGHMEM |
1280 | |
1281 | config CPU_RM9000 |
1282 | bool "RM9000" |
1283 | depends on SYS_HAS_CPU_RM9000 |
1284 | select CPU_HAS_PREFETCH |
1285 | select CPU_SUPPORTS_32BIT_KERNEL |
1286 | select CPU_SUPPORTS_64BIT_KERNEL |
1287 | select CPU_SUPPORTS_HIGHMEM |
1288 | select WEAK_ORDERING |
1289 | |
1290 | config CPU_SB1 |
1291 | bool "SB1" |
1292 | depends on SYS_HAS_CPU_SB1 |
1293 | select CPU_SUPPORTS_32BIT_KERNEL |
1294 | select CPU_SUPPORTS_64BIT_KERNEL |
1295 | select CPU_SUPPORTS_HIGHMEM |
1296 | select WEAK_ORDERING |
1297 | |
1298 | config CPU_CAVIUM_OCTEON |
1299 | bool "Cavium Octeon processor" |
1300 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
1301 | select IRQ_CPU |
1302 | select IRQ_CPU_OCTEON |
1303 | select CPU_HAS_PREFETCH |
1304 | select CPU_SUPPORTS_64BIT_KERNEL |
1305 | select SYS_SUPPORTS_SMP |
1306 | select NR_CPUS_DEFAULT_16 |
1307 | select WEAK_ORDERING |
1308 | select WEAK_REORDERING_BEYOND_LLSC |
1309 | select CPU_SUPPORTS_HIGHMEM |
1310 | select CPU_SUPPORTS_HUGEPAGES |
1311 | help |
1312 | The Cavium Octeon processor is a highly integrated chip containing |
1313 | many ethernet hardware widgets for networking tasks. The processor |
1314 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. |
1315 | Full details can be found at http://www.caviumnetworks.com. |
1316 | |
1317 | endchoice |
1318 | |
1319 | config CPU_LOONGSON2 |
1320 | bool |
1321 | select CPU_SUPPORTS_32BIT_KERNEL |
1322 | select CPU_SUPPORTS_64BIT_KERNEL |
1323 | select CPU_SUPPORTS_HIGHMEM |
1324 | |
1325 | config SYS_HAS_CPU_LOONGSON2E |
1326 | bool |
1327 | |
1328 | config SYS_HAS_CPU_MIPS32_R1 |
1329 | bool |
1330 | |
1331 | config SYS_HAS_CPU_MIPS32_R2 |
1332 | bool |
1333 | |
1334 | config SYS_HAS_CPU_MIPS64_R1 |
1335 | bool |
1336 | |
1337 | config SYS_HAS_CPU_MIPS64_R2 |
1338 | bool |
1339 | |
1340 | config SYS_HAS_CPU_R3000 |
1341 | bool |
1342 | |
1343 | config SYS_HAS_CPU_TX39XX |
1344 | bool |
1345 | |
1346 | config SYS_HAS_CPU_VR41XX |
1347 | bool |
1348 | |
1349 | config SYS_HAS_CPU_R4300 |
1350 | bool |
1351 | |
1352 | config SYS_HAS_CPU_R4X00 |
1353 | bool |
1354 | |
1355 | config SYS_HAS_CPU_TX49XX |
1356 | bool |
1357 | |
1358 | config SYS_HAS_CPU_R5000 |
1359 | bool |
1360 | |
1361 | config SYS_HAS_CPU_R5432 |
1362 | bool |
1363 | |
1364 | config SYS_HAS_CPU_R5500 |
1365 | bool |
1366 | |
1367 | config SYS_HAS_CPU_R6000 |
1368 | bool |
1369 | |
1370 | config SYS_HAS_CPU_NEVADA |
1371 | bool |
1372 | |
1373 | config SYS_HAS_CPU_R8000 |
1374 | bool |
1375 | |
1376 | config SYS_HAS_CPU_R10000 |
1377 | bool |
1378 | |
1379 | config SYS_HAS_CPU_RM7000 |
1380 | bool |
1381 | |
1382 | config SYS_HAS_CPU_RM9000 |
1383 | bool |
1384 | |
1385 | config SYS_HAS_CPU_SB1 |
1386 | bool |
1387 | |
1388 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1389 | bool |
1390 | |
1391 | # |
1392 | # CPU may reorder R->R, R->W, W->R, W->W |
1393 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC |
1394 | # |
1395 | config WEAK_ORDERING |
1396 | bool |
1397 | |
1398 | # |
1399 | # CPU may reorder reads and writes beyond LL/SC |
1400 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC |
1401 | # |
1402 | config WEAK_REORDERING_BEYOND_LLSC |
1403 | bool |
1404 | endmenu |
1405 | |
1406 | # |
1407 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
1408 | # |
1409 | config CPU_MIPS32 |
1410 | bool |
1411 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 |
1412 | |
1413 | config CPU_MIPS64 |
1414 | bool |
1415 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 |
1416 | |
1417 | # |
1418 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
1419 | # |
1420 | config CPU_MIPSR1 |
1421 | bool |
1422 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 |
1423 | |
1424 | config CPU_MIPSR2 |
1425 | bool |
1426 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
1427 | |
1428 | config SYS_SUPPORTS_32BIT_KERNEL |
1429 | bool |
1430 | config SYS_SUPPORTS_64BIT_KERNEL |
1431 | bool |
1432 | config CPU_SUPPORTS_32BIT_KERNEL |
1433 | bool |
1434 | config CPU_SUPPORTS_64BIT_KERNEL |
1435 | bool |
1436 | config CPU_SUPPORTS_HUGEPAGES |
1437 | bool |
1438 | |
1439 | # |
1440 | # Set to y for ptrace access to watch registers. |
1441 | # |
1442 | config HARDWARE_WATCHPOINTS |
1443 | bool |
1444 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
1445 | |
1446 | menu "Kernel type" |
1447 | |
1448 | choice |
1449 | |
1450 | prompt "Kernel code model" |
1451 | help |
1452 | You should only select this option if you have a workload that |
1453 | actually benefits from 64-bit processing or if your machine has |
1454 | large memory. You will only be presented a single option in this |
1455 | menu if your system does not support both 32-bit and 64-bit kernels. |
1456 | |
1457 | config 32BIT |
1458 | bool "32-bit kernel" |
1459 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL |
1460 | select TRAD_SIGNALS |
1461 | help |
1462 | Select this option if you want to build a 32-bit kernel. |
1463 | config 64BIT |
1464 | bool "64-bit kernel" |
1465 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL |
1466 | select HAVE_SYSCALL_WRAPPERS |
1467 | help |
1468 | Select this option if you want to build a 64-bit kernel. |
1469 | |
1470 | endchoice |
1471 | |
1472 | choice |
1473 | prompt "Kernel page size" |
1474 | default PAGE_SIZE_4KB |
1475 | |
1476 | config PAGE_SIZE_4KB |
1477 | bool "4kB" |
1478 | depends on !CPU_LOONGSON2 |
1479 | help |
1480 | This option select the standard 4kB Linux page size. On some |
1481 | R3000-family processors this is the only available page size. Using |
1482 | 4kB page size will minimize memory consumption and is therefore |
1483 | recommended for low memory systems. |
1484 | |
1485 | config PAGE_SIZE_8KB |
1486 | bool "8kB" |
1487 | depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON |
1488 | help |
1489 | Using 8kB page size will result in higher performance kernel at |
1490 | the price of higher memory consumption. This option is available |
1491 | only on R8000 and cnMIPS processors. Note that you will need a |
1492 | suitable Linux distribution to support this. |
1493 | |
1494 | config PAGE_SIZE_16KB |
1495 | bool "16kB" |
1496 | depends on !CPU_R3000 && !CPU_TX39XX |
1497 | help |
1498 | Using 16kB page size will result in higher performance kernel at |
1499 | the price of higher memory consumption. This option is available on |
1500 | all non-R3000 family processors. Note that you will need a suitable |
1501 | Linux distribution to support this. |
1502 | |
1503 | config PAGE_SIZE_32KB |
1504 | bool "32kB" |
1505 | depends on CPU_CAVIUM_OCTEON |
1506 | help |
1507 | Using 32kB page size will result in higher performance kernel at |
1508 | the price of higher memory consumption. This option is available |
1509 | only on cnMIPS cores. Note that you will need a suitable Linux |
1510 | distribution to support this. |
1511 | |
1512 | config PAGE_SIZE_64KB |
1513 | bool "64kB" |
1514 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX |
1515 | help |
1516 | Using 64kB page size will result in higher performance kernel at |
1517 | the price of higher memory consumption. This option is available on |
1518 | all non-R3000 family processor. Not that at the time of this |
1519 | writing this option is still high experimental. |
1520 | |
1521 | endchoice |
1522 | |
1523 | config BOARD_SCACHE |
1524 | bool |
1525 | |
1526 | config IP22_CPU_SCACHE |
1527 | bool |
1528 | select BOARD_SCACHE |
1529 | |
1530 | # |
1531 | # Support for a MIPS32 / MIPS64 style S-caches |
1532 | # |
1533 | config MIPS_CPU_SCACHE |
1534 | bool |
1535 | select BOARD_SCACHE |
1536 | |
1537 | config R5000_CPU_SCACHE |
1538 | bool |
1539 | select BOARD_SCACHE |
1540 | |
1541 | config RM7000_CPU_SCACHE |
1542 | bool |
1543 | select BOARD_SCACHE |
1544 | |
1545 | config SIBYTE_DMA_PAGEOPS |
1546 | bool "Use DMA to clear/copy pages" |
1547 | depends on CPU_SB1 |
1548 | help |
1549 | Instead of using the CPU to zero and copy pages, use a Data Mover |
1550 | channel. These DMA channels are otherwise unused by the standard |
1551 | SiByte Linux port. Seems to give a small performance benefit. |
1552 | |
1553 | config CPU_HAS_PREFETCH |
1554 | bool |
1555 | |
1556 | choice |
1557 | prompt "MIPS MT options" |
1558 | |
1559 | config MIPS_MT_DISABLED |
1560 | bool "Disable multithreading support." |
1561 | help |
1562 | Use this option if your workload can't take advantage of |
1563 | MIPS hardware multithreading support. On systems that don't have |
1564 | the option of an MT-enabled processor this option will be the only |
1565 | option in this menu. |
1566 | |
1567 | config MIPS_MT_SMP |
1568 | bool "Use 1 TC on each available VPE for SMP" |
1569 | depends on SYS_SUPPORTS_MULTITHREADING |
1570 | select CPU_MIPSR2_IRQ_VI |
1571 | select CPU_MIPSR2_IRQ_EI |
1572 | select MIPS_MT |
1573 | select NR_CPUS_DEFAULT_2 |
1574 | select SMP |
1575 | select SYS_SUPPORTS_SCHED_SMT if SMP |
1576 | select SYS_SUPPORTS_SMP |
1577 | select SMP_UP |
1578 | help |
1579 | This is a kernel model which is also known a VSMP or lately |
1580 | has been marketesed into SMVP. |
1581 | |
1582 | config MIPS_MT_SMTC |
1583 | bool "SMTC: Use all TCs on all VPEs for SMP" |
1584 | depends on CPU_MIPS32_R2 |
1585 | #depends on CPU_MIPS64_R2 # once there is hardware ... |
1586 | depends on SYS_SUPPORTS_MULTITHREADING |
1587 | select CPU_MIPSR2_IRQ_VI |
1588 | select CPU_MIPSR2_IRQ_EI |
1589 | select MIPS_MT |
1590 | select NR_CPUS_DEFAULT_8 |
1591 | select SMP |
1592 | select SYS_SUPPORTS_SMP |
1593 | select SMP_UP |
1594 | help |
1595 | This is a kernel model which is known a SMTC or lately has been |
1596 | marketesed into SMVP. |
1597 | |
1598 | endchoice |
1599 | |
1600 | config MIPS_MT |
1601 | bool |
1602 | |
1603 | config SCHED_SMT |
1604 | bool "SMT (multithreading) scheduler support" |
1605 | depends on SYS_SUPPORTS_SCHED_SMT |
1606 | default n |
1607 | help |
1608 | SMT scheduler support improves the CPU scheduler's decision making |
1609 | when dealing with MIPS MT enabled cores at a cost of slightly |
1610 | increased overhead in some places. If unsure say N here. |
1611 | |
1612 | config SYS_SUPPORTS_SCHED_SMT |
1613 | bool |
1614 | |
1615 | |
1616 | config SYS_SUPPORTS_MULTITHREADING |
1617 | bool |
1618 | |
1619 | config MIPS_MT_FPAFF |
1620 | bool "Dynamic FPU affinity for FP-intensive threads" |
1621 | default y |
1622 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1623 | |
1624 | config MIPS_VPE_LOADER |
1625 | bool "VPE loader support." |
1626 | depends on SYS_SUPPORTS_MULTITHREADING |
1627 | select CPU_MIPSR2_IRQ_VI |
1628 | select CPU_MIPSR2_IRQ_EI |
1629 | select MIPS_MT |
1630 | help |
1631 | Includes a loader for loading an elf relocatable object |
1632 | onto another VPE and running it. |
1633 | |
1634 | config MIPS_MT_SMTC_IM_BACKSTOP |
1635 | bool "Use per-TC register bits as backstop for inhibited IM bits" |
1636 | depends on MIPS_MT_SMTC |
1637 | default n |
1638 | help |
1639 | To support multiple TC microthreads acting as "CPUs" within |
1640 | a VPE, VPE-wide interrupt mask bits must be specially manipulated |
1641 | during interrupt handling. To support legacy drivers and interrupt |
1642 | controller management code, SMTC has a "backstop" to track and |
1643 | if necessary restore the interrupt mask. This has some performance |
1644 | impact on interrupt service overhead. |
1645 | |
1646 | config MIPS_MT_SMTC_IRQAFF |
1647 | bool "Support IRQ affinity API" |
1648 | depends on MIPS_MT_SMTC |
1649 | default n |
1650 | help |
1651 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) |
1652 | for SMTC Linux kernel. Requires platform support, of which |
1653 | an example can be found in the MIPS kernel i8259 and Malta |
1654 | platform code. Adds some overhead to interrupt dispatch, and |
1655 | should be used only if you know what you are doing. |
1656 | |
1657 | config MIPS_VPE_LOADER_TOM |
1658 | bool "Load VPE program into memory hidden from linux" |
1659 | depends on MIPS_VPE_LOADER |
1660 | default y |
1661 | help |
1662 | The loader can use memory that is present but has been hidden from |
1663 | Linux using the kernel command line option "mem=xxMB". It's up to |
1664 | you to ensure the amount you put in the option and the space your |
1665 | program requires is less or equal to the amount physically present. |
1666 | |
1667 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm |
1668 | config MIPS_VPE_APSP_API |
1669 | bool "Enable support for AP/SP API (RTLX)" |
1670 | depends on MIPS_VPE_LOADER |
1671 | help |
1672 | |
1673 | config MIPS_APSP_KSPD |
1674 | bool "Enable KSPD" |
1675 | depends on MIPS_VPE_APSP_API |
1676 | default y |
1677 | help |
1678 | KSPD is a kernel daemon that accepts syscall requests from the SP |
1679 | side, actions them and returns the results. It also handles the |
1680 | "exit" syscall notifying other kernel modules the SP program is |
1681 | exiting. You probably want to say yes here. |
1682 | |
1683 | config MIPS_CMP |
1684 | bool "MIPS CMP framework support" |
1685 | depends on SYS_SUPPORTS_MIPS_CMP |
1686 | select SYNC_R4K |
1687 | select SYS_SUPPORTS_SMP |
1688 | select SYS_SUPPORTS_SCHED_SMT if SMP |
1689 | select WEAK_ORDERING |
1690 | default n |
1691 | help |
1692 | This is a placeholder option for the GCMP work. It will need to |
1693 | be handled differently... |
1694 | |
1695 | config SB1_PASS_1_WORKAROUNDS |
1696 | bool |
1697 | depends on CPU_SB1_PASS_1 |
1698 | default y |
1699 | |
1700 | config SB1_PASS_2_WORKAROUNDS |
1701 | bool |
1702 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) |
1703 | default y |
1704 | |
1705 | config SB1_PASS_2_1_WORKAROUNDS |
1706 | bool |
1707 | depends on CPU_SB1 && CPU_SB1_PASS_2 |
1708 | default y |
1709 | |
1710 | config 64BIT_PHYS_ADDR |
1711 | bool |
1712 | |
1713 | config CPU_HAS_SMARTMIPS |
1714 | depends on SYS_SUPPORTS_SMARTMIPS |
1715 | bool "Support for the SmartMIPS ASE" |
1716 | help |
1717 | SmartMIPS is a extension of the MIPS32 architecture aimed at |
1718 | increased security at both hardware and software level for |
1719 | smartcards. Enabling this option will allow proper use of the |
1720 | SmartMIPS instructions by Linux applications. However a kernel with |
1721 | this option will not work on a MIPS core without SmartMIPS core. If |
1722 | you don't know you probably don't have SmartMIPS and should say N |
1723 | here. |
1724 | |
1725 | config CPU_HAS_WB |
1726 | bool |
1727 | |
1728 | # |
1729 | # Vectored interrupt mode is an R2 feature |
1730 | # |
1731 | config CPU_MIPSR2_IRQ_VI |
1732 | bool |
1733 | |
1734 | # |
1735 | # Extended interrupt mode is an R2 feature |
1736 | # |
1737 | config CPU_MIPSR2_IRQ_EI |
1738 | bool |
1739 | |
1740 | config CPU_HAS_SYNC |
1741 | bool |
1742 | depends on !CPU_R3000 |
1743 | default y |
1744 | |
1745 | config GENERIC_CLOCKEVENTS_BROADCAST |
1746 | bool |
1747 | |
1748 | # |
1749 | # CPU non-features |
1750 | # |
1751 | config CPU_DADDI_WORKAROUNDS |
1752 | bool |
1753 | |
1754 | config CPU_R4000_WORKAROUNDS |
1755 | bool |
1756 | select CPU_R4400_WORKAROUNDS |
1757 | |
1758 | config CPU_R4400_WORKAROUNDS |
1759 | bool |
1760 | |
1761 | # |
1762 | # Use the generic interrupt handling code in kernel/irq/: |
1763 | # |
1764 | config GENERIC_HARDIRQS |
1765 | bool |
1766 | default y |
1767 | |
1768 | config GENERIC_IRQ_PROBE |
1769 | bool |
1770 | default y |
1771 | |
1772 | config IRQ_PER_CPU |
1773 | bool |
1774 | |
1775 | # |
1776 | # - Highmem only makes sense for the 32-bit kernel. |
1777 | # - The current highmem code will only work properly on physically indexed |
1778 | # caches such as R3000, SB1, R7000 or those that look like they're virtually |
1779 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the |
1780 | # moment we protect the user and offer the highmem option only on machines |
1781 | # where it's known to be safe. This will not offer highmem on a few systems |
1782 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically |
1783 | # indexed CPUs but we're playing safe. |
1784 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1785 | # know they might have memory configurations that could make use of highmem |
1786 | # support. |
1787 | # |
1788 | config HIGHMEM |
1789 | bool "High Memory Support" |
1790 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1791 | |
1792 | config CPU_SUPPORTS_HIGHMEM |
1793 | bool |
1794 | |
1795 | config SYS_SUPPORTS_HIGHMEM |
1796 | bool |
1797 | |
1798 | config SYS_SUPPORTS_SMARTMIPS |
1799 | bool |
1800 | |
1801 | config ARCH_FLATMEM_ENABLE |
1802 | def_bool y |
1803 | depends on !NUMA && !CPU_LOONGSON2 |
1804 | |
1805 | config ARCH_DISCONTIGMEM_ENABLE |
1806 | bool |
1807 | default y if SGI_IP27 |
1808 | help |
1809 | Say Y to support efficient handling of discontiguous physical memory, |
1810 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1811 | or have huge holes in the physical address space for other reasons. |
1812 | See <file:Documentation/vm/numa> for more. |
1813 | |
1814 | config ARCH_POPULATES_NODE_MAP |
1815 | def_bool y |
1816 | |
1817 | config ARCH_SPARSEMEM_ENABLE |
1818 | bool |
1819 | select SPARSEMEM_STATIC |
1820 | |
1821 | config NUMA |
1822 | bool "NUMA Support" |
1823 | depends on SYS_SUPPORTS_NUMA |
1824 | help |
1825 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory |
1826 | Access). This option improves performance on systems with more |
1827 | than two nodes; on two node systems it is generally better to |
1828 | leave it disabled; on single node systems disable this option |
1829 | disabled. |
1830 | |
1831 | config SYS_SUPPORTS_NUMA |
1832 | bool |
1833 | |
1834 | config NODES_SHIFT |
1835 | int |
1836 | default "6" |
1837 | depends on NEED_MULTIPLE_NODES |
1838 | |
1839 | source "mm/Kconfig" |
1840 | |
1841 | config SMP |
1842 | bool "Multi-Processing support" |
1843 | depends on SYS_SUPPORTS_SMP |
1844 | select IRQ_PER_CPU |
1845 | select USE_GENERIC_SMP_HELPERS |
1846 | help |
1847 | This enables support for systems with more than one CPU. If you have |
1848 | a system with only one CPU, like most personal computers, say N. If |
1849 | you have a system with more than one CPU, say Y. |
1850 | |
1851 | If you say N here, the kernel will run on single and multiprocessor |
1852 | machines, but will use only one CPU of a multiprocessor machine. If |
1853 | you say Y here, the kernel will run on many, but not all, |
1854 | singleprocessor machines. On a singleprocessor machine, the kernel |
1855 | will run faster if you say N here. |
1856 | |
1857 | People using multiprocessor machines who say Y here should also say |
1858 | Y to "Enhanced Real Time Clock Support", below. |
1859 | |
1860 | See also the SMP-HOWTO available at |
1861 | <http://www.tldp.org/docs.html#howto>. |
1862 | |
1863 | If you don't know what to do here, say N. |
1864 | |
1865 | config SMP_UP |
1866 | bool |
1867 | |
1868 | config SYS_SUPPORTS_MIPS_CMP |
1869 | bool |
1870 | |
1871 | config SYS_SUPPORTS_SMP |
1872 | bool |
1873 | |
1874 | config NR_CPUS_DEFAULT_1 |
1875 | bool |
1876 | |
1877 | config NR_CPUS_DEFAULT_2 |
1878 | bool |
1879 | |
1880 | config NR_CPUS_DEFAULT_4 |
1881 | bool |
1882 | |
1883 | config NR_CPUS_DEFAULT_8 |
1884 | bool |
1885 | |
1886 | config NR_CPUS_DEFAULT_16 |
1887 | bool |
1888 | |
1889 | config NR_CPUS_DEFAULT_32 |
1890 | bool |
1891 | |
1892 | config NR_CPUS_DEFAULT_64 |
1893 | bool |
1894 | |
1895 | config NR_CPUS |
1896 | int "Maximum number of CPUs (2-64)" |
1897 | range 1 64 if NR_CPUS_DEFAULT_1 |
1898 | depends on SMP |
1899 | default "1" if NR_CPUS_DEFAULT_1 |
1900 | default "2" if NR_CPUS_DEFAULT_2 |
1901 | default "4" if NR_CPUS_DEFAULT_4 |
1902 | default "8" if NR_CPUS_DEFAULT_8 |
1903 | default "16" if NR_CPUS_DEFAULT_16 |
1904 | default "32" if NR_CPUS_DEFAULT_32 |
1905 | default "64" if NR_CPUS_DEFAULT_64 |
1906 | help |
1907 | This allows you to specify the maximum number of CPUs which this |
1908 | kernel will support. The maximum supported value is 32 for 32-bit |
1909 | kernel and 64 for 64-bit kernels; the minimum value which makes |
1910 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1911 | and 2 for all others. |
1912 | |
1913 | This is purely to save memory - each supported CPU adds |
1914 | approximately eight kilobytes to the kernel image. For best |
1915 | performance should round up your number of processors to the next |
1916 | power of two. |
1917 | |
1918 | source "kernel/time/Kconfig" |
1919 | |
1920 | # |
1921 | # Timer Interrupt Frequency Configuration |
1922 | # |
1923 | |
1924 | choice |
1925 | prompt "Timer frequency" |
1926 | default HZ_250 |
1927 | help |
1928 | Allows the configuration of the timer frequency. |
1929 | |
1930 | config HZ_48 |
1931 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1932 | |
1933 | config HZ_100 |
1934 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ |
1935 | |
1936 | config HZ_128 |
1937 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ |
1938 | |
1939 | config HZ_250 |
1940 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ |
1941 | |
1942 | config HZ_256 |
1943 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ |
1944 | |
1945 | config HZ_1000 |
1946 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ |
1947 | |
1948 | config HZ_1024 |
1949 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ |
1950 | |
1951 | endchoice |
1952 | |
1953 | config SYS_SUPPORTS_48HZ |
1954 | bool |
1955 | |
1956 | config SYS_SUPPORTS_100HZ |
1957 | bool |
1958 | |
1959 | config SYS_SUPPORTS_128HZ |
1960 | bool |
1961 | |
1962 | config SYS_SUPPORTS_250HZ |
1963 | bool |
1964 | |
1965 | config SYS_SUPPORTS_256HZ |
1966 | bool |
1967 | |
1968 | config SYS_SUPPORTS_1000HZ |
1969 | bool |
1970 | |
1971 | config SYS_SUPPORTS_1024HZ |
1972 | bool |
1973 | |
1974 | config SYS_SUPPORTS_ARBIT_HZ |
1975 | bool |
1976 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ |
1977 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ |
1978 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ |
1979 | !SYS_SUPPORTS_1024HZ |
1980 | |
1981 | config HZ |
1982 | int |
1983 | default 48 if HZ_48 |
1984 | default 100 if HZ_100 |
1985 | default 128 if HZ_128 |
1986 | default 250 if HZ_250 |
1987 | default 256 if HZ_256 |
1988 | default 1000 if HZ_1000 |
1989 | default 1024 if HZ_1024 |
1990 | |
1991 | source "kernel/Kconfig.preempt" |
1992 | |
1993 | config MIPS_INSANE_LARGE |
1994 | bool "Support for large 64-bit configurations" |
1995 | depends on CPU_R10000 && 64BIT |
1996 | help |
1997 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to |
1998 | previous 64-bit processors which only supported 40 bit / 1TB. If you |
1999 | need processes of more than 1TB virtual address space, say Y here. |
2000 | This will result in additional memory usage, so it is not |
2001 | recommended for normal users. |
2002 | |
2003 | config KEXEC |
2004 | bool "Kexec system call (EXPERIMENTAL)" |
2005 | depends on EXPERIMENTAL |
2006 | help |
2007 | kexec is a system call that implements the ability to shutdown your |
2008 | current kernel, and to start another kernel. It is like a reboot |
2009 | but it is independent of the system firmware. And like a reboot |
2010 | you can start any kernel with it, not just Linux. |
2011 | |
2012 | The name comes from the similarity to the exec system call. |
2013 | |
2014 | It is an ongoing process to be certain the hardware in a machine |
2015 | is properly shutdown, so do not be surprised if this code does not |
2016 | initially work for you. It may help to enable device hotplugging |
2017 | support. As of this writing the exact hardware interface is |
2018 | strongly in flux, so no good recommendation can be made. |
2019 | |
2020 | config SECCOMP |
2021 | bool "Enable seccomp to safely compute untrusted bytecode" |
2022 | depends on PROC_FS |
2023 | default y |
2024 | help |
2025 | This kernel feature is useful for number crunching applications |
2026 | that may need to compute untrusted bytecode during their |
2027 | execution. By using pipes or other transports made available to |
2028 | the process as file descriptors supporting the read/write |
2029 | syscalls, it's possible to isolate those applications in |
2030 | their own address space using seccomp. Once seccomp is |
2031 | enabled via /proc/<pid>/seccomp, it cannot be disabled |
2032 | and the task is only allowed to execute a few safe syscalls |
2033 | defined by each seccomp mode. |
2034 | |
2035 | If unsure, say Y. Only embedded should say N here. |
2036 | |
2037 | endmenu |
2038 | |
2039 | config LOCKDEP_SUPPORT |
2040 | bool |
2041 | default y |
2042 | |
2043 | config STACKTRACE_SUPPORT |
2044 | bool |
2045 | default y |
2046 | |
2047 | source "init/Kconfig" |
2048 | |
2049 | config PROBE_INITRD_HEADER |
2050 | bool "Probe initrd header created by addinitrd" |
2051 | depends on BLK_DEV_INITRD |
2052 | help |
2053 | Probe initrd header at the last page of kernel image. |
2054 | Say Y here if you are using arch/mips/boot/addinitrd.c to |
2055 | add initrd or initramfs image to the kernel image. |
2056 | Otherwise, say N. |
2057 | |
2058 | source "kernel/Kconfig.freezer" |
2059 | |
2060 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2061 | |
2062 | config HW_HAS_EISA |
2063 | bool |
2064 | config HW_HAS_PCI |
2065 | bool |
2066 | |
2067 | config PCI |
2068 | bool "Support for PCI controller" |
2069 | depends on HW_HAS_PCI |
2070 | select PCI_DOMAINS |
2071 | help |
2072 | Find out whether you have a PCI motherboard. PCI is the name of a |
2073 | bus system, i.e. the way the CPU talks to the other stuff inside |
2074 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, |
2075 | say Y, otherwise N. |
2076 | |
2077 | config PCI_DOMAINS |
2078 | bool |
2079 | |
2080 | source "drivers/pci/Kconfig" |
2081 | |
2082 | # |
2083 | # ISA support is now enabled via select. Too many systems still have the one |
2084 | # or other ISA chip on the board that users don't know about so don't expect |
2085 | # users to choose the right thing ... |
2086 | # |
2087 | config ISA |
2088 | bool |
2089 | |
2090 | config EISA |
2091 | bool "EISA support" |
2092 | depends on HW_HAS_EISA |
2093 | select ISA |
2094 | select GENERIC_ISA_DMA |
2095 | ---help--- |
2096 | The Extended Industry Standard Architecture (EISA) bus was |
2097 | developed as an open alternative to the IBM MicroChannel bus. |
2098 | |
2099 | The EISA bus provided some of the features of the IBM MicroChannel |
2100 | bus while maintaining backward compatibility with cards made for |
2101 | the older ISA bus. The EISA bus saw limited use between 1988 and |
2102 | 1995 when it was made obsolete by the PCI bus. |
2103 | |
2104 | Say Y here if you are building a kernel for an EISA-based machine. |
2105 | |
2106 | Otherwise, say N. |
2107 | |
2108 | source "drivers/eisa/Kconfig" |
2109 | |
2110 | config TC |
2111 | bool "TURBOchannel support" |
2112 | depends on MACH_DECSTATION |
2113 | help |
2114 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2115 | processors. Documentation on writing device drivers for TurboChannel |
2116 | is available at: |
2117 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. |
2118 | |
2119 | #config ACCESSBUS |
2120 | # bool "Access.Bus support" |
2121 | # depends on TC |
2122 | |
2123 | config MMU |
2124 | bool |
2125 | default y |
2126 | |
2127 | config I8253 |
2128 | bool |
2129 | |
2130 | config ZONE_DMA32 |
2131 | bool |
2132 | |
2133 | source "drivers/pcmcia/Kconfig" |
2134 | |
2135 | source "drivers/pci/hotplug/Kconfig" |
2136 | |
2137 | endmenu |
2138 | |
2139 | menu "Executable file formats" |
2140 | |
2141 | source "fs/Kconfig.binfmt" |
2142 | |
2143 | config TRAD_SIGNALS |
2144 | bool |
2145 | |
2146 | config MIPS32_COMPAT |
2147 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" |
2148 | depends on 64BIT |
2149 | help |
2150 | Select this option if you want Linux/MIPS 32-bit binary |
2151 | compatibility. Since all software available for Linux/MIPS is |
2152 | currently 32-bit you should say Y here. |
2153 | |
2154 | config COMPAT |
2155 | bool |
2156 | depends on MIPS32_COMPAT |
2157 | default y |
2158 | |
2159 | config SYSVIPC_COMPAT |
2160 | bool |
2161 | depends on COMPAT && SYSVIPC |
2162 | default y |
2163 | |
2164 | config MIPS32_O32 |
2165 | bool "Kernel support for o32 binaries" |
2166 | depends on MIPS32_COMPAT |
2167 | help |
2168 | Select this option if you want to run o32 binaries. These are pure |
2169 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of |
2170 | existing binaries are in this format. |
2171 | |
2172 | If unsure, say Y. |
2173 | |
2174 | config MIPS32_N32 |
2175 | bool "Kernel support for n32 binaries" |
2176 | depends on MIPS32_COMPAT |
2177 | help |
2178 | Select this option if you want to run n32 binaries. These are |
2179 | 64-bit binaries using 32-bit quantities for addressing and certain |
2180 | data that would normally be 64-bit. They are used in special |
2181 | cases. |
2182 | |
2183 | If unsure, say N. |
2184 | |
2185 | config BINFMT_ELF32 |
2186 | bool |
2187 | default y if MIPS32_O32 || MIPS32_N32 |
2188 | |
2189 | endmenu |
2190 | |
2191 | menu "Power management options" |
2192 | |
2193 | config ARCH_HIBERNATION_POSSIBLE |
2194 | def_bool y |
2195 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
2196 | |
2197 | config ARCH_SUSPEND_POSSIBLE |
2198 | def_bool y |
2199 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
2200 | |
2201 | source "kernel/power/Kconfig" |
2202 | |
2203 | endmenu |
2204 | |
2205 | source "net/Kconfig" |
2206 | |
2207 | source "drivers/Kconfig" |
2208 | |
2209 | source "fs/Kconfig" |
2210 | |
2211 | source "arch/mips/Kconfig.debug" |
2212 | |
2213 | source "security/Kconfig" |
2214 | |
2215 | source "crypto/Kconfig" |
2216 | |
2217 | source "lib/Kconfig" |
2218 |
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