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Commit | Line | Data |
---|---|---|
1 | config MIPS | |
2 | bool | |
3 | default y | |
4 | select HAVE_IDE | |
5 | select HAVE_OPROFILE | |
6 | select HAVE_ARCH_KGDB | |
7 | # Horrible source of confusion. Die, die, die ... | |
8 | select EMBEDDED | |
9 | select RTC_LIB | |
10 | ||
11 | mainmenu "Linux/MIPS Kernel Configuration" | |
12 | ||
13 | menu "Machine selection" | |
14 | ||
15 | config ZONE_DMA | |
16 | bool | |
17 | ||
18 | choice | |
19 | prompt "System type" | |
20 | default SGI_IP22 | |
21 | ||
22 | config MACH_ALCHEMY | |
23 | bool "Alchemy processor based machines" | |
24 | ||
25 | config BASLER_EXCITE | |
26 | bool "Basler eXcite smart camera" | |
27 | select CEVT_R4K | |
28 | select CSRC_R4K | |
29 | select DMA_COHERENT | |
30 | select HW_HAS_PCI | |
31 | select IRQ_CPU | |
32 | select IRQ_CPU_RM7K | |
33 | select IRQ_CPU_RM9K | |
34 | select MIPS_RM9122 | |
35 | select SYS_HAS_CPU_RM9000 | |
36 | select SYS_SUPPORTS_32BIT_KERNEL | |
37 | select SYS_SUPPORTS_BIG_ENDIAN | |
38 | help | |
39 | The eXcite is a smart camera platform manufactured by | |
40 | Basler Vision Technologies AG. | |
41 | ||
42 | config BCM47XX | |
43 | bool "BCM47XX based boards" | |
44 | select CEVT_R4K | |
45 | select CSRC_R4K | |
46 | select DMA_NONCOHERENT | |
47 | select HW_HAS_PCI | |
48 | select IRQ_CPU | |
49 | select SYS_HAS_CPU_MIPS32_R1 | |
50 | select SYS_SUPPORTS_32BIT_KERNEL | |
51 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
52 | select SSB | |
53 | select SSB_DRIVER_MIPS | |
54 | select SSB_DRIVER_EXTIF | |
55 | select SSB_PCICORE_HOSTMODE if PCI | |
56 | select GENERIC_GPIO | |
57 | select SYS_HAS_EARLY_PRINTK | |
58 | select CFE | |
59 | help | |
60 | Support for BCM47XX based boards | |
61 | ||
62 | config MIPS_COBALT | |
63 | bool "Cobalt Server" | |
64 | select CEVT_R4K | |
65 | select CSRC_R4K | |
66 | select CEVT_GT641XX | |
67 | select DMA_NONCOHERENT | |
68 | select HW_HAS_PCI | |
69 | select I8253 | |
70 | select I8259 | |
71 | select IRQ_CPU | |
72 | select IRQ_GT641XX | |
73 | select PCI_GT64XXX_PCI0 | |
74 | select SYS_HAS_CPU_NEVADA | |
75 | select SYS_HAS_EARLY_PRINTK | |
76 | select SYS_SUPPORTS_32BIT_KERNEL | |
77 | select SYS_SUPPORTS_64BIT_KERNEL | |
78 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
79 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
80 | ||
81 | config MACH_DECSTATION | |
82 | bool "DECstations" | |
83 | select BOOT_ELF32 | |
84 | select CEVT_DS1287 | |
85 | select CEVT_R4K | |
86 | select CSRC_IOASIC | |
87 | select CSRC_R4K | |
88 | select CPU_DADDI_WORKAROUNDS if 64BIT | |
89 | select CPU_R4000_WORKAROUNDS if 64BIT | |
90 | select CPU_R4400_WORKAROUNDS if 64BIT | |
91 | select DMA_NONCOHERENT | |
92 | select NO_IOPORT | |
93 | select IRQ_CPU | |
94 | select SYS_HAS_CPU_R3000 | |
95 | select SYS_HAS_CPU_R4X00 | |
96 | select SYS_SUPPORTS_32BIT_KERNEL | |
97 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
98 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
99 | select SYS_SUPPORTS_128HZ | |
100 | select SYS_SUPPORTS_256HZ | |
101 | select SYS_SUPPORTS_1024HZ | |
102 | help | |
103 | This enables support for DEC's MIPS based workstations. For details | |
104 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
105 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
106 | ||
107 | If you have one of the following DECstation Models you definitely | |
108 | want to choose R4xx0 for the CPU Type: | |
109 | ||
110 | DECstation 5000/50 | |
111 | DECstation 5000/150 | |
112 | DECstation 5000/260 | |
113 | DECsystem 5900/260 | |
114 | ||
115 | otherwise choose R3000. | |
116 | ||
117 | config MACH_JAZZ | |
118 | bool "Jazz family of machines" | |
119 | select ARC | |
120 | select ARC32 | |
121 | select ARCH_MAY_HAVE_PC_FDC | |
122 | select CEVT_R4K | |
123 | select CSRC_R4K | |
124 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
125 | select GENERIC_ISA_DMA | |
126 | select IRQ_CPU | |
127 | select I8253 | |
128 | select I8259 | |
129 | select ISA | |
130 | select SYS_HAS_CPU_R4X00 | |
131 | select SYS_SUPPORTS_32BIT_KERNEL | |
132 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
133 | select SYS_SUPPORTS_100HZ | |
134 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
135 | help | |
136 | This a family of machines based on the MIPS R4030 chipset which was | |
137 | used by several vendors to build RISC/os and Windows NT workstations. | |
138 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and | |
139 | Olivetti M700-10 workstations. | |
140 | ||
141 | config LASAT | |
142 | bool "LASAT Networks platforms" | |
143 | select CEVT_R4K | |
144 | select CSRC_R4K | |
145 | select DMA_NONCOHERENT | |
146 | select SYS_HAS_EARLY_PRINTK | |
147 | select HW_HAS_PCI | |
148 | select IRQ_CPU | |
149 | select PCI_GT64XXX_PCI0 | |
150 | select MIPS_NILE4 | |
151 | select R5000_CPU_SCACHE | |
152 | select SYS_HAS_CPU_R5000 | |
153 | select SYS_SUPPORTS_32BIT_KERNEL | |
154 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
155 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
156 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
157 | ||
158 | config LEMOTE_FULONG | |
159 | bool "Lemote Fulong mini-PC" | |
160 | select ARCH_SPARSEMEM_ENABLE | |
161 | select CEVT_R4K | |
162 | select CSRC_R4K | |
163 | select SYS_HAS_CPU_LOONGSON2 | |
164 | select DMA_NONCOHERENT | |
165 | select BOOT_ELF32 | |
166 | select BOARD_SCACHE | |
167 | select HAVE_STD_PC_SERIAL_PORT | |
168 | select HW_HAS_PCI | |
169 | select I8259 | |
170 | select ISA | |
171 | select IRQ_CPU | |
172 | select SYS_SUPPORTS_32BIT_KERNEL | |
173 | select SYS_SUPPORTS_64BIT_KERNEL | |
174 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
175 | select SYS_SUPPORTS_HIGHMEM | |
176 | select SYS_HAS_EARLY_PRINTK | |
177 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
178 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
179 | select CPU_HAS_WB | |
180 | help | |
181 | Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and | |
182 | an FPGA northbridge | |
183 | ||
184 | config MIPS_MALTA | |
185 | bool "MIPS Malta board" | |
186 | select ARCH_MAY_HAVE_PC_FDC | |
187 | select BOOT_ELF32 | |
188 | select BOOT_RAW | |
189 | select CEVT_R4K | |
190 | select CSRC_R4K | |
191 | select DMA_NONCOHERENT | |
192 | select GENERIC_ISA_DMA | |
193 | select IRQ_CPU | |
194 | select IRQ_GIC | |
195 | select HW_HAS_PCI | |
196 | select I8253 | |
197 | select I8259 | |
198 | select MIPS_BOARDS_GEN | |
199 | select MIPS_BONITO64 | |
200 | select MIPS_CPU_SCACHE | |
201 | select PCI_GT64XXX_PCI0 | |
202 | select MIPS_MSC | |
203 | select SWAP_IO_SPACE | |
204 | select SYS_HAS_CPU_MIPS32_R1 | |
205 | select SYS_HAS_CPU_MIPS32_R2 | |
206 | select SYS_HAS_CPU_MIPS64_R1 | |
207 | select SYS_HAS_CPU_NEVADA | |
208 | select SYS_HAS_CPU_RM7000 | |
209 | select SYS_HAS_EARLY_PRINTK | |
210 | select SYS_SUPPORTS_32BIT_KERNEL | |
211 | select SYS_SUPPORTS_64BIT_KERNEL | |
212 | select SYS_SUPPORTS_BIG_ENDIAN | |
213 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
214 | select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken | |
215 | select SYS_SUPPORTS_MULTITHREADING | |
216 | select SYS_SUPPORTS_SMARTMIPS | |
217 | help | |
218 | This enables support for the MIPS Technologies Malta evaluation | |
219 | board. | |
220 | ||
221 | config MIPS_SIM | |
222 | bool 'MIPS simulator (MIPSsim)' | |
223 | select CEVT_R4K | |
224 | select CSRC_R4K | |
225 | select DMA_NONCOHERENT | |
226 | select SYS_HAS_EARLY_PRINTK | |
227 | select IRQ_CPU | |
228 | select BOOT_RAW | |
229 | select SYS_HAS_CPU_MIPS32_R1 | |
230 | select SYS_HAS_CPU_MIPS32_R2 | |
231 | select SYS_HAS_EARLY_PRINTK | |
232 | select SYS_SUPPORTS_32BIT_KERNEL | |
233 | select SYS_SUPPORTS_BIG_ENDIAN | |
234 | select SYS_SUPPORTS_MULTITHREADING | |
235 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
236 | help | |
237 | This option enables support for MIPS Technologies MIPSsim software | |
238 | emulator. | |
239 | ||
240 | config MARKEINS | |
241 | bool "NEC EMMA2RH Mark-eins" | |
242 | select CEVT_R4K | |
243 | select CSRC_R4K | |
244 | select DMA_NONCOHERENT | |
245 | select HW_HAS_PCI | |
246 | select IRQ_CPU | |
247 | select SWAP_IO_SPACE | |
248 | select SYS_SUPPORTS_32BIT_KERNEL | |
249 | select SYS_SUPPORTS_BIG_ENDIAN | |
250 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
251 | select SYS_HAS_CPU_R5000 | |
252 | help | |
253 | This enables support for the R5432-based NEC Mark-eins | |
254 | boards with R5500 CPU. | |
255 | ||
256 | config MACH_VR41XX | |
257 | bool "NEC VR4100 series based machines" | |
258 | select CEVT_R4K | |
259 | select CSRC_R4K | |
260 | select SYS_HAS_CPU_VR41XX | |
261 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
262 | ||
263 | config PNX8550_JBS | |
264 | bool "NXP PNX8550 based JBS board" | |
265 | select PNX8550 | |
266 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
267 | ||
268 | config PNX8550_STB810 | |
269 | bool "NXP PNX8550 based STB810 board" | |
270 | select PNX8550 | |
271 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
272 | ||
273 | config PMC_MSP | |
274 | bool "PMC-Sierra MSP chipsets" | |
275 | depends on EXPERIMENTAL | |
276 | select DMA_NONCOHERENT | |
277 | select SWAP_IO_SPACE | |
278 | select NO_EXCEPT_FILL | |
279 | select BOOT_RAW | |
280 | select SYS_HAS_CPU_MIPS32_R1 | |
281 | select SYS_HAS_CPU_MIPS32_R2 | |
282 | select SYS_SUPPORTS_32BIT_KERNEL | |
283 | select SYS_SUPPORTS_BIG_ENDIAN | |
284 | select IRQ_CPU | |
285 | select SERIAL_8250 | |
286 | select SERIAL_8250_CONSOLE | |
287 | help | |
288 | This adds support for the PMC-Sierra family of Multi-Service | |
289 | Processor System-On-A-Chips. These parts include a number | |
290 | of integrated peripherals, interfaces and DSPs in addition to | |
291 | a variety of MIPS cores. | |
292 | ||
293 | config PMC_YOSEMITE | |
294 | bool "PMC-Sierra Yosemite eval board" | |
295 | select CEVT_R4K | |
296 | select CSRC_R4K | |
297 | select DMA_COHERENT | |
298 | select HW_HAS_PCI | |
299 | select IRQ_CPU | |
300 | select IRQ_CPU_RM7K | |
301 | select IRQ_CPU_RM9K | |
302 | select SWAP_IO_SPACE | |
303 | select SYS_HAS_CPU_RM9000 | |
304 | select SYS_HAS_EARLY_PRINTK | |
305 | select SYS_SUPPORTS_32BIT_KERNEL | |
306 | select SYS_SUPPORTS_64BIT_KERNEL | |
307 | select SYS_SUPPORTS_BIG_ENDIAN | |
308 | select SYS_SUPPORTS_HIGHMEM | |
309 | select SYS_SUPPORTS_SMP | |
310 | help | |
311 | Yosemite is an evaluation board for the RM9000x2 processor | |
312 | manufactured by PMC-Sierra. | |
313 | ||
314 | config SGI_IP22 | |
315 | bool "SGI IP22 (Indy/Indigo2)" | |
316 | select ARC | |
317 | select ARC32 | |
318 | select BOOT_ELF32 | |
319 | select CEVT_R4K | |
320 | select CSRC_R4K | |
321 | select DEFAULT_SGI_PARTITION | |
322 | select DMA_NONCOHERENT | |
323 | select HW_HAS_EISA | |
324 | select I8253 | |
325 | select I8259 | |
326 | select IP22_CPU_SCACHE | |
327 | select IRQ_CPU | |
328 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
329 | select SGI_HAS_DS1286 | |
330 | select SGI_HAS_I8042 | |
331 | select SGI_HAS_INDYDOG | |
332 | select SGI_HAS_HAL2 | |
333 | select SGI_HAS_SEEQ | |
334 | select SGI_HAS_WD93 | |
335 | select SGI_HAS_ZILOG | |
336 | select SWAP_IO_SPACE | |
337 | select SYS_HAS_CPU_R4X00 | |
338 | select SYS_HAS_CPU_R5000 | |
339 | select SYS_HAS_EARLY_PRINTK | |
340 | select SYS_SUPPORTS_32BIT_KERNEL | |
341 | select SYS_SUPPORTS_64BIT_KERNEL | |
342 | select SYS_SUPPORTS_BIG_ENDIAN | |
343 | help | |
344 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
345 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
346 | that runs on these, say Y here. | |
347 | ||
348 | config SGI_IP27 | |
349 | bool "SGI IP27 (Origin200/2000)" | |
350 | select ARC | |
351 | select ARC64 | |
352 | select BOOT_ELF64 | |
353 | select DEFAULT_SGI_PARTITION | |
354 | select DMA_IP27 | |
355 | select SYS_HAS_EARLY_PRINTK | |
356 | select HW_HAS_PCI | |
357 | select NR_CPUS_DEFAULT_64 | |
358 | select SYS_HAS_CPU_R10000 | |
359 | select SYS_SUPPORTS_64BIT_KERNEL | |
360 | select SYS_SUPPORTS_BIG_ENDIAN | |
361 | select SYS_SUPPORTS_NUMA | |
362 | select SYS_SUPPORTS_SMP | |
363 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
364 | help | |
365 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
366 | workstations. To compile a Linux kernel that runs on these, say Y | |
367 | here. | |
368 | ||
369 | config SGI_IP28 | |
370 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
371 | depends on EXPERIMENTAL | |
372 | select ARC | |
373 | select ARC64 | |
374 | select BOOT_ELF64 | |
375 | select CEVT_R4K | |
376 | select CSRC_R4K | |
377 | select DEFAULT_SGI_PARTITION | |
378 | select DMA_NONCOHERENT | |
379 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
380 | select IRQ_CPU | |
381 | select HW_HAS_EISA | |
382 | select I8253 | |
383 | select I8259 | |
384 | select SGI_HAS_DS1286 | |
385 | select SGI_HAS_I8042 | |
386 | select SGI_HAS_INDYDOG | |
387 | select SGI_HAS_HAL2 | |
388 | select SGI_HAS_SEEQ | |
389 | select SGI_HAS_WD93 | |
390 | select SGI_HAS_ZILOG | |
391 | select SWAP_IO_SPACE | |
392 | select SYS_HAS_CPU_R10000 | |
393 | select SYS_HAS_EARLY_PRINTK | |
394 | select SYS_SUPPORTS_64BIT_KERNEL | |
395 | select SYS_SUPPORTS_BIG_ENDIAN | |
396 | help | |
397 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
398 | kernel that runs on these, say Y here. | |
399 | ||
400 | config SGI_IP32 | |
401 | bool "SGI IP32 (O2)" | |
402 | select ARC | |
403 | select ARC32 | |
404 | select BOOT_ELF32 | |
405 | select CEVT_R4K | |
406 | select CSRC_R4K | |
407 | select DMA_NONCOHERENT | |
408 | select HW_HAS_PCI | |
409 | select IRQ_CPU | |
410 | select R5000_CPU_SCACHE | |
411 | select RM7000_CPU_SCACHE | |
412 | select SYS_HAS_CPU_R5000 | |
413 | select SYS_HAS_CPU_R10000 if BROKEN | |
414 | select SYS_HAS_CPU_RM7000 | |
415 | select SYS_HAS_CPU_NEVADA | |
416 | select SYS_SUPPORTS_64BIT_KERNEL | |
417 | select SYS_SUPPORTS_BIG_ENDIAN | |
418 | help | |
419 | If you want this kernel to run on SGI O2 workstation, say Y here. | |
420 | ||
421 | config SIBYTE_CRHINE | |
422 | bool "Sibyte BCM91120C-CRhine" | |
423 | depends on EXPERIMENTAL | |
424 | select BOOT_ELF32 | |
425 | select DMA_COHERENT | |
426 | select SIBYTE_BCM1120 | |
427 | select SWAP_IO_SPACE | |
428 | select SYS_HAS_CPU_SB1 | |
429 | select SYS_SUPPORTS_BIG_ENDIAN | |
430 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
431 | ||
432 | config SIBYTE_CARMEL | |
433 | bool "Sibyte BCM91120x-Carmel" | |
434 | depends on EXPERIMENTAL | |
435 | select BOOT_ELF32 | |
436 | select DMA_COHERENT | |
437 | select SIBYTE_BCM1120 | |
438 | select SWAP_IO_SPACE | |
439 | select SYS_HAS_CPU_SB1 | |
440 | select SYS_SUPPORTS_BIG_ENDIAN | |
441 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
442 | ||
443 | config SIBYTE_CRHONE | |
444 | bool "Sibyte BCM91125C-CRhone" | |
445 | depends on EXPERIMENTAL | |
446 | select BOOT_ELF32 | |
447 | select DMA_COHERENT | |
448 | select SIBYTE_BCM1125 | |
449 | select SWAP_IO_SPACE | |
450 | select SYS_HAS_CPU_SB1 | |
451 | select SYS_SUPPORTS_BIG_ENDIAN | |
452 | select SYS_SUPPORTS_HIGHMEM | |
453 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
454 | ||
455 | config SIBYTE_RHONE | |
456 | bool "Sibyte BCM91125E-Rhone" | |
457 | depends on EXPERIMENTAL | |
458 | select BOOT_ELF32 | |
459 | select DMA_COHERENT | |
460 | select SIBYTE_BCM1125H | |
461 | select SWAP_IO_SPACE | |
462 | select SYS_HAS_CPU_SB1 | |
463 | select SYS_SUPPORTS_BIG_ENDIAN | |
464 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
465 | ||
466 | config SIBYTE_SWARM | |
467 | bool "Sibyte BCM91250A-SWARM" | |
468 | select BOOT_ELF32 | |
469 | select DMA_COHERENT | |
470 | select NR_CPUS_DEFAULT_2 | |
471 | select SIBYTE_SB1250 | |
472 | select SWAP_IO_SPACE | |
473 | select SYS_HAS_CPU_SB1 | |
474 | select SYS_SUPPORTS_BIG_ENDIAN | |
475 | select SYS_SUPPORTS_HIGHMEM | |
476 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
477 | select ZONE_DMA32 if 64BIT | |
478 | ||
479 | config SIBYTE_LITTLESUR | |
480 | bool "Sibyte BCM91250C2-LittleSur" | |
481 | depends on EXPERIMENTAL | |
482 | select BOOT_ELF32 | |
483 | select DMA_COHERENT | |
484 | select NR_CPUS_DEFAULT_2 | |
485 | select SIBYTE_SB1250 | |
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_SENTOSA | |
493 | bool "Sibyte BCM91250E-Sentosa" | |
494 | depends on EXPERIMENTAL | |
495 | select BOOT_ELF32 | |
496 | select DMA_COHERENT | |
497 | select NR_CPUS_DEFAULT_2 | |
498 | select SIBYTE_SB1250 | |
499 | select SWAP_IO_SPACE | |
500 | select SYS_HAS_CPU_SB1 | |
501 | select SYS_SUPPORTS_BIG_ENDIAN | |
502 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
503 | ||
504 | config SIBYTE_BIGSUR | |
505 | bool "Sibyte BCM91480B-BigSur" | |
506 | select BOOT_ELF32 | |
507 | select DMA_COHERENT | |
508 | select NR_CPUS_DEFAULT_4 | |
509 | select SIBYTE_BCM1x80 | |
510 | select SWAP_IO_SPACE | |
511 | select SYS_HAS_CPU_SB1 | |
512 | select SYS_SUPPORTS_BIG_ENDIAN | |
513 | select SYS_SUPPORTS_HIGHMEM | |
514 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
515 | select ZONE_DMA32 if 64BIT | |
516 | ||
517 | config SNI_RM | |
518 | bool "SNI RM200/300/400" | |
519 | select ARC if CPU_LITTLE_ENDIAN | |
520 | select ARC32 if CPU_LITTLE_ENDIAN | |
521 | select SNIPROM if CPU_BIG_ENDIAN | |
522 | select ARCH_MAY_HAVE_PC_FDC | |
523 | select BOOT_ELF32 | |
524 | select CEVT_R4K | |
525 | select CSRC_R4K | |
526 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
527 | select DMA_NONCOHERENT | |
528 | select GENERIC_ISA_DMA | |
529 | select HW_HAS_EISA | |
530 | select HW_HAS_PCI | |
531 | select IRQ_CPU | |
532 | select I8253 | |
533 | select I8259 | |
534 | select ISA | |
535 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN | |
536 | select SYS_HAS_CPU_R4X00 | |
537 | select SYS_HAS_CPU_R5000 | |
538 | select SYS_HAS_CPU_R10000 | |
539 | select R5000_CPU_SCACHE | |
540 | select SYS_HAS_EARLY_PRINTK | |
541 | select SYS_SUPPORTS_32BIT_KERNEL | |
542 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
543 | select SYS_SUPPORTS_BIG_ENDIAN | |
544 | select SYS_SUPPORTS_HIGHMEM | |
545 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
546 | help | |
547 | The SNI RM200/300/400 are MIPS-based machines manufactured by | |
548 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
549 | Technology and now in turn merged with Fujitsu. Say Y here to | |
550 | support this machine type. | |
551 | ||
552 | config MACH_TX39XX | |
553 | bool "Toshiba TX39 series based machines" | |
554 | ||
555 | config MACH_TX49XX | |
556 | bool "Toshiba TX49 series based machines" | |
557 | ||
558 | config MIKROTIK_RB532 | |
559 | bool "Mikrotik RB532 boards" | |
560 | select CEVT_R4K | |
561 | select CSRC_R4K | |
562 | select DMA_NONCOHERENT | |
563 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
564 | select HW_HAS_PCI | |
565 | select IRQ_CPU | |
566 | select SYS_HAS_CPU_MIPS32_R1 | |
567 | select SYS_SUPPORTS_32BIT_KERNEL | |
568 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
569 | select SWAP_IO_SPACE | |
570 | select BOOT_RAW | |
571 | select ARCH_REQUIRE_GPIOLIB | |
572 | help | |
573 | Support the Mikrotik(tm) RouterBoard 532 series, | |
574 | based on the IDT RC32434 SoC. | |
575 | ||
576 | config WR_PPMC | |
577 | bool "Wind River PPMC board" | |
578 | select CEVT_R4K | |
579 | select CSRC_R4K | |
580 | select IRQ_CPU | |
581 | select BOOT_ELF32 | |
582 | select DMA_NONCOHERENT | |
583 | select HW_HAS_PCI | |
584 | select PCI_GT64XXX_PCI0 | |
585 | select SWAP_IO_SPACE | |
586 | select SYS_HAS_CPU_MIPS32_R1 | |
587 | select SYS_HAS_CPU_MIPS32_R2 | |
588 | select SYS_HAS_CPU_MIPS64_R1 | |
589 | select SYS_HAS_CPU_NEVADA | |
590 | select SYS_HAS_CPU_RM7000 | |
591 | select SYS_SUPPORTS_32BIT_KERNEL | |
592 | select SYS_SUPPORTS_64BIT_KERNEL | |
593 | select SYS_SUPPORTS_BIG_ENDIAN | |
594 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
595 | help | |
596 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
597 | board, which is based on GT64120 bridge chip. | |
598 | ||
599 | endchoice | |
600 | ||
601 | source "arch/mips/au1000/Kconfig" | |
602 | source "arch/mips/basler/excite/Kconfig" | |
603 | source "arch/mips/jazz/Kconfig" | |
604 | source "arch/mips/lasat/Kconfig" | |
605 | source "arch/mips/pmc-sierra/Kconfig" | |
606 | source "arch/mips/sgi-ip27/Kconfig" | |
607 | source "arch/mips/sibyte/Kconfig" | |
608 | source "arch/mips/txx9/Kconfig" | |
609 | source "arch/mips/vr41xx/Kconfig" | |
610 | ||
611 | endmenu | |
612 | ||
613 | config GENERIC_LOCKBREAK | |
614 | bool | |
615 | default y | |
616 | depends on SMP && PREEMPT | |
617 | ||
618 | config RWSEM_GENERIC_SPINLOCK | |
619 | bool | |
620 | default y | |
621 | ||
622 | config RWSEM_XCHGADD_ALGORITHM | |
623 | bool | |
624 | ||
625 | config ARCH_HAS_ILOG2_U32 | |
626 | bool | |
627 | default n | |
628 | ||
629 | config ARCH_HAS_ILOG2_U64 | |
630 | bool | |
631 | default n | |
632 | ||
633 | config ARCH_SUPPORTS_OPROFILE | |
634 | bool | |
635 | default y if !MIPS_MT_SMTC | |
636 | ||
637 | config GENERIC_FIND_NEXT_BIT | |
638 | bool | |
639 | default y | |
640 | ||
641 | config GENERIC_HWEIGHT | |
642 | bool | |
643 | default y | |
644 | ||
645 | config GENERIC_CALIBRATE_DELAY | |
646 | bool | |
647 | default y | |
648 | ||
649 | config GENERIC_CLOCKEVENTS | |
650 | bool | |
651 | default y | |
652 | ||
653 | config GENERIC_TIME | |
654 | bool | |
655 | default y | |
656 | ||
657 | config GENERIC_CMOS_UPDATE | |
658 | bool | |
659 | default y | |
660 | ||
661 | config SCHED_NO_NO_OMIT_FRAME_POINTER | |
662 | bool | |
663 | default y | |
664 | ||
665 | config GENERIC_HARDIRQS_NO__DO_IRQ | |
666 | bool | |
667 | default n | |
668 | ||
669 | # | |
670 | # Select some configuration options automatically based on user selections. | |
671 | # | |
672 | config ARC | |
673 | bool | |
674 | ||
675 | config ARCH_MAY_HAVE_PC_FDC | |
676 | bool | |
677 | ||
678 | config BOOT_RAW | |
679 | bool | |
680 | ||
681 | config CEVT_BCM1480 | |
682 | bool | |
683 | ||
684 | config CEVT_DS1287 | |
685 | bool | |
686 | ||
687 | config CEVT_GT641XX | |
688 | bool | |
689 | ||
690 | config CEVT_R4K | |
691 | bool | |
692 | ||
693 | config CEVT_SB1250 | |
694 | bool | |
695 | ||
696 | config CEVT_TXX9 | |
697 | bool | |
698 | ||
699 | config CSRC_BCM1480 | |
700 | bool | |
701 | ||
702 | config CSRC_IOASIC | |
703 | bool | |
704 | ||
705 | config CSRC_R4K | |
706 | bool | |
707 | ||
708 | config CSRC_SB1250 | |
709 | bool | |
710 | ||
711 | config GPIO_TXX9 | |
712 | select GENERIC_GPIO | |
713 | select ARCH_REQUIRE_GPIOLIB | |
714 | bool | |
715 | ||
716 | config CFE | |
717 | bool | |
718 | ||
719 | config DMA_COHERENT | |
720 | bool | |
721 | ||
722 | config DMA_IP27 | |
723 | bool | |
724 | ||
725 | config DMA_NONCOHERENT | |
726 | bool | |
727 | select DMA_NEED_PCI_MAP_STATE | |
728 | ||
729 | config DMA_NEED_PCI_MAP_STATE | |
730 | bool | |
731 | ||
732 | config EARLY_PRINTK | |
733 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL | |
734 | depends on SYS_HAS_EARLY_PRINTK | |
735 | default y | |
736 | help | |
737 | This option enables special console drivers which allow the kernel | |
738 | to print messages very early in the bootup process. | |
739 | ||
740 | This is useful for kernel debugging when your machine crashes very | |
741 | early before the console code is initialized. For normal operation, | |
742 | it is not recommended because it looks ugly on some machines and | |
743 | doesn't cooperate with an X server. You should normally say N here, | |
744 | unless you want to debug such a crash. | |
745 | ||
746 | config SYS_HAS_EARLY_PRINTK | |
747 | bool | |
748 | ||
749 | config HOTPLUG_CPU | |
750 | bool | |
751 | default n | |
752 | ||
753 | config I8259 | |
754 | bool | |
755 | ||
756 | config MIPS_BONITO64 | |
757 | bool | |
758 | ||
759 | config MIPS_MSC | |
760 | bool | |
761 | ||
762 | config MIPS_NILE4 | |
763 | bool | |
764 | ||
765 | config MIPS_DISABLE_OBSOLETE_IDE | |
766 | bool | |
767 | ||
768 | config SYNC_R4K | |
769 | bool | |
770 | ||
771 | config NO_IOPORT | |
772 | def_bool n | |
773 | ||
774 | config GENERIC_ISA_DMA | |
775 | bool | |
776 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
777 | ||
778 | config GENERIC_ISA_DMA_SUPPORT_BROKEN | |
779 | bool | |
780 | select GENERIC_ISA_DMA | |
781 | ||
782 | config GENERIC_GPIO | |
783 | bool | |
784 | ||
785 | # | |
786 | # Endianess selection. Sufficiently obscure so many users don't know what to | |
787 | # answer,so we try hard to limit the available choices. Also the use of a | |
788 | # choice statement should be more obvious to the user. | |
789 | # | |
790 | choice | |
791 | prompt "Endianess selection" | |
792 | help | |
793 | Some MIPS machines can be configured for either little or big endian | |
794 | byte order. These modes require different kernels and a different | |
795 | Linux distribution. In general there is one preferred byteorder for a | |
796 | particular system but some systems are just as commonly used in the | |
797 | one or the other endianness. | |
798 | ||
799 | config CPU_BIG_ENDIAN | |
800 | bool "Big endian" | |
801 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
802 | ||
803 | config CPU_LITTLE_ENDIAN | |
804 | bool "Little endian" | |
805 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
806 | help | |
807 | ||
808 | endchoice | |
809 | ||
810 | config SYS_SUPPORTS_APM_EMULATION | |
811 | bool | |
812 | ||
813 | config SYS_SUPPORTS_BIG_ENDIAN | |
814 | bool | |
815 | ||
816 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
817 | bool | |
818 | ||
819 | config IRQ_CPU | |
820 | bool | |
821 | ||
822 | config IRQ_CPU_RM7K | |
823 | bool | |
824 | ||
825 | config IRQ_CPU_RM9K | |
826 | bool | |
827 | ||
828 | config IRQ_MSP_SLP | |
829 | bool | |
830 | ||
831 | config IRQ_MSP_CIC | |
832 | bool | |
833 | ||
834 | config IRQ_TXX9 | |
835 | bool | |
836 | ||
837 | config IRQ_GT641XX | |
838 | bool | |
839 | ||
840 | config IRQ_GIC | |
841 | bool | |
842 | ||
843 | config MIPS_BOARDS_GEN | |
844 | bool | |
845 | ||
846 | config PCI_GT64XXX_PCI0 | |
847 | bool | |
848 | ||
849 | config NO_EXCEPT_FILL | |
850 | bool | |
851 | ||
852 | config MIPS_RM9122 | |
853 | bool | |
854 | select SERIAL_RM9000 | |
855 | ||
856 | config PNX8550 | |
857 | bool | |
858 | select SOC_PNX8550 | |
859 | ||
860 | config SOC_PNX8550 | |
861 | bool | |
862 | select DMA_NONCOHERENT | |
863 | select HW_HAS_PCI | |
864 | select SYS_HAS_CPU_MIPS32_R1 | |
865 | select SYS_HAS_EARLY_PRINTK | |
866 | select SYS_SUPPORTS_32BIT_KERNEL | |
867 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
868 | select GENERIC_GPIO | |
869 | ||
870 | config SWAP_IO_SPACE | |
871 | bool | |
872 | ||
873 | config EMMA2RH | |
874 | bool | |
875 | depends on MARKEINS | |
876 | default y | |
877 | ||
878 | config SERIAL_RM9000 | |
879 | bool | |
880 | ||
881 | config SGI_HAS_DS1286 | |
882 | bool | |
883 | ||
884 | config SGI_HAS_INDYDOG | |
885 | bool | |
886 | ||
887 | config SGI_HAS_HAL2 | |
888 | bool | |
889 | ||
890 | config SGI_HAS_SEEQ | |
891 | bool | |
892 | ||
893 | config SGI_HAS_WD93 | |
894 | bool | |
895 | ||
896 | config SGI_HAS_ZILOG | |
897 | bool | |
898 | ||
899 | config SGI_HAS_I8042 | |
900 | bool | |
901 | ||
902 | config DEFAULT_SGI_PARTITION | |
903 | bool | |
904 | ||
905 | config ARC32 | |
906 | bool | |
907 | ||
908 | config SNIPROM | |
909 | bool | |
910 | ||
911 | config BOOT_ELF32 | |
912 | bool | |
913 | ||
914 | config MIPS_L1_CACHE_SHIFT | |
915 | int | |
916 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 | |
917 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM | |
918 | default "4" if PMC_MSP4200_EVAL | |
919 | default "5" | |
920 | ||
921 | config HAVE_STD_PC_SERIAL_PORT | |
922 | bool | |
923 | ||
924 | config ARC_CONSOLE | |
925 | bool "ARC console support" | |
926 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) | |
927 | ||
928 | config ARC_MEMORY | |
929 | bool | |
930 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 | |
931 | default y | |
932 | ||
933 | config ARC_PROMLIB | |
934 | bool | |
935 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 | |
936 | default y | |
937 | ||
938 | config ARC64 | |
939 | bool | |
940 | ||
941 | config BOOT_ELF64 | |
942 | bool | |
943 | ||
944 | menu "CPU selection" | |
945 | ||
946 | choice | |
947 | prompt "CPU type" | |
948 | default CPU_R4X00 | |
949 | ||
950 | config CPU_LOONGSON2 | |
951 | bool "Loongson 2" | |
952 | depends on SYS_HAS_CPU_LOONGSON2 | |
953 | select CPU_SUPPORTS_32BIT_KERNEL | |
954 | select CPU_SUPPORTS_64BIT_KERNEL | |
955 | select CPU_SUPPORTS_HIGHMEM | |
956 | help | |
957 | The Loongson 2E processor implements the MIPS III instruction set | |
958 | with many extensions. | |
959 | ||
960 | config CPU_MIPS32_R1 | |
961 | bool "MIPS32 Release 1" | |
962 | depends on SYS_HAS_CPU_MIPS32_R1 | |
963 | select CPU_HAS_LLSC | |
964 | select CPU_HAS_PREFETCH | |
965 | select CPU_SUPPORTS_32BIT_KERNEL | |
966 | select CPU_SUPPORTS_HIGHMEM | |
967 | help | |
968 | Choose this option to build a kernel for release 1 or later of the | |
969 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
970 | MIPS processor are based on a MIPS32 processor. If you know the | |
971 | specific type of processor in your system, choose those that one | |
972 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
973 | Release 2 of the MIPS32 architecture is available since several | |
974 | years so chances are you even have a MIPS32 Release 2 processor | |
975 | in which case you should choose CPU_MIPS32_R2 instead for better | |
976 | performance. | |
977 | ||
978 | config CPU_MIPS32_R2 | |
979 | bool "MIPS32 Release 2" | |
980 | depends on SYS_HAS_CPU_MIPS32_R2 | |
981 | select CPU_HAS_LLSC | |
982 | select CPU_HAS_PREFETCH | |
983 | select CPU_SUPPORTS_32BIT_KERNEL | |
984 | select CPU_SUPPORTS_HIGHMEM | |
985 | help | |
986 | Choose this option to build a kernel for release 2 or later of the | |
987 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
988 | MIPS processor are based on a MIPS32 processor. If you know the | |
989 | specific type of processor in your system, choose those that one | |
990 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
991 | ||
992 | config CPU_MIPS64_R1 | |
993 | bool "MIPS64 Release 1" | |
994 | depends on SYS_HAS_CPU_MIPS64_R1 | |
995 | select CPU_HAS_LLSC | |
996 | select CPU_HAS_PREFETCH | |
997 | select CPU_SUPPORTS_32BIT_KERNEL | |
998 | select CPU_SUPPORTS_64BIT_KERNEL | |
999 | select CPU_SUPPORTS_HIGHMEM | |
1000 | help | |
1001 | Choose this option to build a kernel for release 1 or later of the | |
1002 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1003 | MIPS processor are based on a MIPS64 processor. If you know the | |
1004 | specific type of processor in your system, choose those that one | |
1005 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1006 | Release 2 of the MIPS64 architecture is available since several | |
1007 | years so chances are you even have a MIPS64 Release 2 processor | |
1008 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1009 | performance. | |
1010 | ||
1011 | config CPU_MIPS64_R2 | |
1012 | bool "MIPS64 Release 2" | |
1013 | depends on SYS_HAS_CPU_MIPS64_R2 | |
1014 | select CPU_HAS_LLSC | |
1015 | select CPU_HAS_PREFETCH | |
1016 | select CPU_SUPPORTS_32BIT_KERNEL | |
1017 | select CPU_SUPPORTS_64BIT_KERNEL | |
1018 | select CPU_SUPPORTS_HIGHMEM | |
1019 | help | |
1020 | Choose this option to build a kernel for release 2 or later of the | |
1021 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1022 | MIPS processor are based on a MIPS64 processor. If you know the | |
1023 | specific type of processor in your system, choose those that one | |
1024 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1025 | ||
1026 | config CPU_R3000 | |
1027 | bool "R3000" | |
1028 | depends on SYS_HAS_CPU_R3000 | |
1029 | select CPU_HAS_WB | |
1030 | select CPU_SUPPORTS_32BIT_KERNEL | |
1031 | select CPU_SUPPORTS_HIGHMEM | |
1032 | help | |
1033 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1034 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1035 | *not* work on R4000 machines and vice versa. However, since most | |
1036 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1037 | might be a safe bet. If the resulting kernel does not work, | |
1038 | try to recompile with R3000. | |
1039 | ||
1040 | config CPU_TX39XX | |
1041 | bool "R39XX" | |
1042 | depends on SYS_HAS_CPU_TX39XX | |
1043 | select CPU_SUPPORTS_32BIT_KERNEL | |
1044 | ||
1045 | config CPU_VR41XX | |
1046 | bool "R41xx" | |
1047 | depends on SYS_HAS_CPU_VR41XX | |
1048 | select CPU_SUPPORTS_32BIT_KERNEL | |
1049 | select CPU_SUPPORTS_64BIT_KERNEL | |
1050 | help | |
1051 | The options selects support for the NEC VR4100 series of processors. | |
1052 | Only choose this option if you have one of these processors as a | |
1053 | kernel built with this option will not run on any other type of | |
1054 | processor or vice versa. | |
1055 | ||
1056 | config CPU_R4300 | |
1057 | bool "R4300" | |
1058 | depends on SYS_HAS_CPU_R4300 | |
1059 | select CPU_HAS_LLSC | |
1060 | select CPU_SUPPORTS_32BIT_KERNEL | |
1061 | select CPU_SUPPORTS_64BIT_KERNEL | |
1062 | help | |
1063 | MIPS Technologies R4300-series processors. | |
1064 | ||
1065 | config CPU_R4X00 | |
1066 | bool "R4x00" | |
1067 | depends on SYS_HAS_CPU_R4X00 | |
1068 | select CPU_HAS_LLSC | |
1069 | select CPU_SUPPORTS_32BIT_KERNEL | |
1070 | select CPU_SUPPORTS_64BIT_KERNEL | |
1071 | help | |
1072 | MIPS Technologies R4000-series processors other than 4300, including | |
1073 | the R4000, R4400, R4600, and 4700. | |
1074 | ||
1075 | config CPU_TX49XX | |
1076 | bool "R49XX" | |
1077 | depends on SYS_HAS_CPU_TX49XX | |
1078 | select CPU_HAS_LLSC | |
1079 | select CPU_HAS_PREFETCH | |
1080 | select CPU_SUPPORTS_32BIT_KERNEL | |
1081 | select CPU_SUPPORTS_64BIT_KERNEL | |
1082 | ||
1083 | config CPU_R5000 | |
1084 | bool "R5000" | |
1085 | depends on SYS_HAS_CPU_R5000 | |
1086 | select CPU_HAS_LLSC | |
1087 | select CPU_SUPPORTS_32BIT_KERNEL | |
1088 | select CPU_SUPPORTS_64BIT_KERNEL | |
1089 | help | |
1090 | MIPS Technologies R5000-series processors other than the Nevada. | |
1091 | ||
1092 | config CPU_R5432 | |
1093 | bool "R5432" | |
1094 | depends on SYS_HAS_CPU_R5432 | |
1095 | select CPU_HAS_LLSC | |
1096 | select CPU_SUPPORTS_32BIT_KERNEL | |
1097 | select CPU_SUPPORTS_64BIT_KERNEL | |
1098 | ||
1099 | config CPU_R6000 | |
1100 | bool "R6000" | |
1101 | depends on EXPERIMENTAL | |
1102 | select CPU_HAS_LLSC | |
1103 | depends on SYS_HAS_CPU_R6000 | |
1104 | select CPU_SUPPORTS_32BIT_KERNEL | |
1105 | help | |
1106 | MIPS Technologies R6000 and R6000A series processors. Note these | |
1107 | processors are extremely rare and the support for them is incomplete. | |
1108 | ||
1109 | config CPU_NEVADA | |
1110 | bool "RM52xx" | |
1111 | depends on SYS_HAS_CPU_NEVADA | |
1112 | select CPU_HAS_LLSC | |
1113 | select CPU_SUPPORTS_32BIT_KERNEL | |
1114 | select CPU_SUPPORTS_64BIT_KERNEL | |
1115 | help | |
1116 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1117 | ||
1118 | config CPU_R8000 | |
1119 | bool "R8000" | |
1120 | depends on EXPERIMENTAL | |
1121 | depends on SYS_HAS_CPU_R8000 | |
1122 | select CPU_HAS_LLSC | |
1123 | select CPU_HAS_PREFETCH | |
1124 | select CPU_SUPPORTS_64BIT_KERNEL | |
1125 | help | |
1126 | MIPS Technologies R8000 processors. Note these processors are | |
1127 | uncommon and the support for them is incomplete. | |
1128 | ||
1129 | config CPU_R10000 | |
1130 | bool "R10000" | |
1131 | depends on SYS_HAS_CPU_R10000 | |
1132 | select CPU_HAS_LLSC | |
1133 | select CPU_HAS_PREFETCH | |
1134 | select CPU_SUPPORTS_32BIT_KERNEL | |
1135 | select CPU_SUPPORTS_64BIT_KERNEL | |
1136 | select CPU_SUPPORTS_HIGHMEM | |
1137 | help | |
1138 | MIPS Technologies R10000-series processors. | |
1139 | ||
1140 | config CPU_RM7000 | |
1141 | bool "RM7000" | |
1142 | depends on SYS_HAS_CPU_RM7000 | |
1143 | select CPU_HAS_LLSC | |
1144 | select CPU_HAS_PREFETCH | |
1145 | select CPU_SUPPORTS_32BIT_KERNEL | |
1146 | select CPU_SUPPORTS_64BIT_KERNEL | |
1147 | select CPU_SUPPORTS_HIGHMEM | |
1148 | ||
1149 | config CPU_RM9000 | |
1150 | bool "RM9000" | |
1151 | depends on SYS_HAS_CPU_RM9000 | |
1152 | select CPU_HAS_LLSC | |
1153 | select CPU_HAS_PREFETCH | |
1154 | select CPU_SUPPORTS_32BIT_KERNEL | |
1155 | select CPU_SUPPORTS_64BIT_KERNEL | |
1156 | select CPU_SUPPORTS_HIGHMEM | |
1157 | select WEAK_ORDERING | |
1158 | ||
1159 | config CPU_SB1 | |
1160 | bool "SB1" | |
1161 | depends on SYS_HAS_CPU_SB1 | |
1162 | select CPU_HAS_LLSC | |
1163 | select CPU_SUPPORTS_32BIT_KERNEL | |
1164 | select CPU_SUPPORTS_64BIT_KERNEL | |
1165 | select CPU_SUPPORTS_HIGHMEM | |
1166 | select WEAK_ORDERING | |
1167 | ||
1168 | endchoice | |
1169 | ||
1170 | config SYS_HAS_CPU_LOONGSON2 | |
1171 | bool | |
1172 | ||
1173 | config SYS_HAS_CPU_MIPS32_R1 | |
1174 | bool | |
1175 | ||
1176 | config SYS_HAS_CPU_MIPS32_R2 | |
1177 | bool | |
1178 | ||
1179 | config SYS_HAS_CPU_MIPS64_R1 | |
1180 | bool | |
1181 | ||
1182 | config SYS_HAS_CPU_MIPS64_R2 | |
1183 | bool | |
1184 | ||
1185 | config SYS_HAS_CPU_R3000 | |
1186 | bool | |
1187 | ||
1188 | config SYS_HAS_CPU_TX39XX | |
1189 | bool | |
1190 | ||
1191 | config SYS_HAS_CPU_VR41XX | |
1192 | bool | |
1193 | ||
1194 | config SYS_HAS_CPU_R4300 | |
1195 | bool | |
1196 | ||
1197 | config SYS_HAS_CPU_R4X00 | |
1198 | bool | |
1199 | ||
1200 | config SYS_HAS_CPU_TX49XX | |
1201 | bool | |
1202 | ||
1203 | config SYS_HAS_CPU_R5000 | |
1204 | bool | |
1205 | ||
1206 | config SYS_HAS_CPU_R5432 | |
1207 | bool | |
1208 | ||
1209 | config SYS_HAS_CPU_R6000 | |
1210 | bool | |
1211 | ||
1212 | config SYS_HAS_CPU_NEVADA | |
1213 | bool | |
1214 | ||
1215 | config SYS_HAS_CPU_R8000 | |
1216 | bool | |
1217 | ||
1218 | config SYS_HAS_CPU_R10000 | |
1219 | bool | |
1220 | ||
1221 | config SYS_HAS_CPU_RM7000 | |
1222 | bool | |
1223 | ||
1224 | config SYS_HAS_CPU_RM9000 | |
1225 | bool | |
1226 | ||
1227 | config SYS_HAS_CPU_SB1 | |
1228 | bool | |
1229 | ||
1230 | # | |
1231 | # CPU may reorder R->R, R->W, W->R, W->W | |
1232 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1233 | # | |
1234 | config WEAK_ORDERING | |
1235 | bool | |
1236 | ||
1237 | # | |
1238 | # CPU may reorder reads and writes beyond LL/SC | |
1239 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1240 | # | |
1241 | config WEAK_REORDERING_BEYOND_LLSC | |
1242 | bool | |
1243 | endmenu | |
1244 | ||
1245 | # | |
1246 | # These two indicate any level of the MIPS32 and MIPS64 architecture | |
1247 | # | |
1248 | config CPU_MIPS32 | |
1249 | bool | |
1250 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1251 | ||
1252 | config CPU_MIPS64 | |
1253 | bool | |
1254 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1255 | ||
1256 | # | |
1257 | # These two indicate the revision of the architecture, either Release 1 or Release 2 | |
1258 | # | |
1259 | config CPU_MIPSR1 | |
1260 | bool | |
1261 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1262 | ||
1263 | config CPU_MIPSR2 | |
1264 | bool | |
1265 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 | |
1266 | ||
1267 | config SYS_SUPPORTS_32BIT_KERNEL | |
1268 | bool | |
1269 | config SYS_SUPPORTS_64BIT_KERNEL | |
1270 | bool | |
1271 | config CPU_SUPPORTS_32BIT_KERNEL | |
1272 | bool | |
1273 | config CPU_SUPPORTS_64BIT_KERNEL | |
1274 | bool | |
1275 | ||
1276 | menu "Kernel type" | |
1277 | ||
1278 | choice | |
1279 | ||
1280 | prompt "Kernel code model" | |
1281 | help | |
1282 | You should only select this option if you have a workload that | |
1283 | actually benefits from 64-bit processing or if your machine has | |
1284 | large memory. You will only be presented a single option in this | |
1285 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1286 | ||
1287 | config 32BIT | |
1288 | bool "32-bit kernel" | |
1289 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1290 | select TRAD_SIGNALS | |
1291 | help | |
1292 | Select this option if you want to build a 32-bit kernel. | |
1293 | config 64BIT | |
1294 | bool "64-bit kernel" | |
1295 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1296 | help | |
1297 | Select this option if you want to build a 64-bit kernel. | |
1298 | ||
1299 | endchoice | |
1300 | ||
1301 | choice | |
1302 | prompt "Kernel page size" | |
1303 | default PAGE_SIZE_4KB | |
1304 | ||
1305 | config PAGE_SIZE_4KB | |
1306 | bool "4kB" | |
1307 | help | |
1308 | This option select the standard 4kB Linux page size. On some | |
1309 | R3000-family processors this is the only available page size. Using | |
1310 | 4kB page size will minimize memory consumption and is therefore | |
1311 | recommended for low memory systems. | |
1312 | ||
1313 | config PAGE_SIZE_8KB | |
1314 | bool "8kB" | |
1315 | depends on EXPERIMENTAL && CPU_R8000 | |
1316 | help | |
1317 | Using 8kB page size will result in higher performance kernel at | |
1318 | the price of higher memory consumption. This option is available | |
1319 | only on the R8000 processor. Not that at the time of this writing | |
1320 | this option is still high experimental; there are also issues with | |
1321 | compatibility of user applications. | |
1322 | ||
1323 | config PAGE_SIZE_16KB | |
1324 | bool "16kB" | |
1325 | depends on !CPU_R3000 && !CPU_TX39XX | |
1326 | help | |
1327 | Using 16kB page size will result in higher performance kernel at | |
1328 | the price of higher memory consumption. This option is available on | |
1329 | all non-R3000 family processors. Note that you will need a suitable | |
1330 | Linux distribution to support this. | |
1331 | ||
1332 | config PAGE_SIZE_64KB | |
1333 | bool "64kB" | |
1334 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1335 | help | |
1336 | Using 64kB page size will result in higher performance kernel at | |
1337 | the price of higher memory consumption. This option is available on | |
1338 | all non-R3000 family processor. Not that at the time of this | |
1339 | writing this option is still high experimental. | |
1340 | ||
1341 | endchoice | |
1342 | ||
1343 | config BOARD_SCACHE | |
1344 | bool | |
1345 | ||
1346 | config IP22_CPU_SCACHE | |
1347 | bool | |
1348 | select BOARD_SCACHE | |
1349 | ||
1350 | # | |
1351 | # Support for a MIPS32 / MIPS64 style S-caches | |
1352 | # | |
1353 | config MIPS_CPU_SCACHE | |
1354 | bool | |
1355 | select BOARD_SCACHE | |
1356 | ||
1357 | config R5000_CPU_SCACHE | |
1358 | bool | |
1359 | select BOARD_SCACHE | |
1360 | ||
1361 | config RM7000_CPU_SCACHE | |
1362 | bool | |
1363 | select BOARD_SCACHE | |
1364 | ||
1365 | config SIBYTE_DMA_PAGEOPS | |
1366 | bool "Use DMA to clear/copy pages" | |
1367 | depends on CPU_SB1 | |
1368 | help | |
1369 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1370 | channel. These DMA channels are otherwise unused by the standard | |
1371 | SiByte Linux port. Seems to give a small performance benefit. | |
1372 | ||
1373 | config CPU_HAS_PREFETCH | |
1374 | bool | |
1375 | ||
1376 | choice | |
1377 | prompt "MIPS MT options" | |
1378 | ||
1379 | config MIPS_MT_DISABLED | |
1380 | bool "Disable multithreading support." | |
1381 | help | |
1382 | Use this option if your workload can't take advantage of | |
1383 | MIPS hardware multithreading support. On systems that don't have | |
1384 | the option of an MT-enabled processor this option will be the only | |
1385 | option in this menu. | |
1386 | ||
1387 | config MIPS_MT_SMP | |
1388 | bool "Use 1 TC on each available VPE for SMP" | |
1389 | depends on SYS_SUPPORTS_MULTITHREADING | |
1390 | select CPU_MIPSR2_IRQ_VI | |
1391 | select CPU_MIPSR2_IRQ_EI | |
1392 | select MIPS_MT | |
1393 | select NR_CPUS_DEFAULT_2 | |
1394 | select SMP | |
1395 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1396 | select SYS_SUPPORTS_SMP | |
1397 | select SMP_UP | |
1398 | help | |
1399 | This is a kernel model which is also known a VSMP or lately | |
1400 | has been marketesed into SMVP. | |
1401 | ||
1402 | config MIPS_MT_SMTC | |
1403 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1404 | depends on CPU_MIPS32_R2 | |
1405 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
1406 | depends on SYS_SUPPORTS_MULTITHREADING | |
1407 | select CPU_MIPSR2_IRQ_VI | |
1408 | select CPU_MIPSR2_IRQ_EI | |
1409 | select MIPS_MT | |
1410 | select NR_CPUS_DEFAULT_8 | |
1411 | select SMP | |
1412 | select SYS_SUPPORTS_SMP | |
1413 | select SMP_UP | |
1414 | help | |
1415 | This is a kernel model which is known a SMTC or lately has been | |
1416 | marketesed into SMVP. | |
1417 | ||
1418 | endchoice | |
1419 | ||
1420 | config MIPS_MT | |
1421 | bool | |
1422 | ||
1423 | config SCHED_SMT | |
1424 | bool "SMT (multithreading) scheduler support" | |
1425 | depends on SYS_SUPPORTS_SCHED_SMT | |
1426 | default n | |
1427 | help | |
1428 | SMT scheduler support improves the CPU scheduler's decision making | |
1429 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1430 | increased overhead in some places. If unsure say N here. | |
1431 | ||
1432 | config SYS_SUPPORTS_SCHED_SMT | |
1433 | bool | |
1434 | ||
1435 | ||
1436 | config SYS_SUPPORTS_MULTITHREADING | |
1437 | bool | |
1438 | ||
1439 | config MIPS_MT_FPAFF | |
1440 | bool "Dynamic FPU affinity for FP-intensive threads" | |
1441 | default y | |
1442 | depends on MIPS_MT_SMP || MIPS_MT_SMTC | |
1443 | ||
1444 | config MIPS_VPE_LOADER | |
1445 | bool "VPE loader support." | |
1446 | depends on SYS_SUPPORTS_MULTITHREADING | |
1447 | select CPU_MIPSR2_IRQ_VI | |
1448 | select CPU_MIPSR2_IRQ_EI | |
1449 | select MIPS_MT | |
1450 | help | |
1451 | Includes a loader for loading an elf relocatable object | |
1452 | onto another VPE and running it. | |
1453 | ||
1454 | config MIPS_MT_SMTC_IM_BACKSTOP | |
1455 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1456 | depends on MIPS_MT_SMTC | |
1457 | default n | |
1458 | help | |
1459 | To support multiple TC microthreads acting as "CPUs" within | |
1460 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1461 | during interrupt handling. To support legacy drivers and interrupt | |
1462 | controller management code, SMTC has a "backstop" to track and | |
1463 | if necessary restore the interrupt mask. This has some performance | |
1464 | impact on interrupt service overhead. | |
1465 | ||
1466 | config MIPS_MT_SMTC_IRQAFF | |
1467 | bool "Support IRQ affinity API" | |
1468 | depends on MIPS_MT_SMTC | |
1469 | default n | |
1470 | help | |
1471 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1472 | for SMTC Linux kernel. Requires platform support, of which | |
1473 | an example can be found in the MIPS kernel i8259 and Malta | |
1474 | platform code. Adds some overhead to interrupt dispatch, and | |
1475 | should be used only if you know what you are doing. | |
1476 | ||
1477 | config MIPS_VPE_LOADER_TOM | |
1478 | bool "Load VPE program into memory hidden from linux" | |
1479 | depends on MIPS_VPE_LOADER | |
1480 | default y | |
1481 | help | |
1482 | The loader can use memory that is present but has been hidden from | |
1483 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1484 | you to ensure the amount you put in the option and the space your | |
1485 | program requires is less or equal to the amount physically present. | |
1486 | ||
1487 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1488 | config MIPS_VPE_APSP_API | |
1489 | bool "Enable support for AP/SP API (RTLX)" | |
1490 | depends on MIPS_VPE_LOADER | |
1491 | help | |
1492 | ||
1493 | config MIPS_APSP_KSPD | |
1494 | bool "Enable KSPD" | |
1495 | depends on MIPS_VPE_APSP_API | |
1496 | default y | |
1497 | help | |
1498 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1499 | side, actions them and returns the results. It also handles the | |
1500 | "exit" syscall notifying other kernel modules the SP program is | |
1501 | exiting. You probably want to say yes here. | |
1502 | ||
1503 | config MIPS_CMP | |
1504 | bool "MIPS CMP framework support" | |
1505 | depends on SYS_SUPPORTS_MIPS_CMP | |
1506 | select SYNC_R4K if BROKEN | |
1507 | select SYS_SUPPORTS_SMP | |
1508 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1509 | select WEAK_ORDERING | |
1510 | default n | |
1511 | help | |
1512 | This is a placeholder option for the GCMP work. It will need to | |
1513 | be handled differently... | |
1514 | ||
1515 | config SB1_PASS_1_WORKAROUNDS | |
1516 | bool | |
1517 | depends on CPU_SB1_PASS_1 | |
1518 | default y | |
1519 | ||
1520 | config SB1_PASS_2_WORKAROUNDS | |
1521 | bool | |
1522 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1523 | default y | |
1524 | ||
1525 | config SB1_PASS_2_1_WORKAROUNDS | |
1526 | bool | |
1527 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1528 | default y | |
1529 | ||
1530 | config 64BIT_PHYS_ADDR | |
1531 | bool | |
1532 | ||
1533 | config CPU_HAS_LLSC | |
1534 | bool | |
1535 | ||
1536 | config CPU_HAS_SMARTMIPS | |
1537 | depends on SYS_SUPPORTS_SMARTMIPS | |
1538 | bool "Support for the SmartMIPS ASE" | |
1539 | help | |
1540 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1541 | increased security at both hardware and software level for | |
1542 | smartcards. Enabling this option will allow proper use of the | |
1543 | SmartMIPS instructions by Linux applications. However a kernel with | |
1544 | this option will not work on a MIPS core without SmartMIPS core. If | |
1545 | you don't know you probably don't have SmartMIPS and should say N | |
1546 | here. | |
1547 | ||
1548 | config CPU_HAS_WB | |
1549 | bool | |
1550 | ||
1551 | # | |
1552 | # Vectored interrupt mode is an R2 feature | |
1553 | # | |
1554 | config CPU_MIPSR2_IRQ_VI | |
1555 | bool | |
1556 | ||
1557 | # | |
1558 | # Extended interrupt mode is an R2 feature | |
1559 | # | |
1560 | config CPU_MIPSR2_IRQ_EI | |
1561 | bool | |
1562 | ||
1563 | config CPU_HAS_SYNC | |
1564 | bool | |
1565 | depends on !CPU_R3000 | |
1566 | default y | |
1567 | ||
1568 | config GENERIC_CLOCKEVENTS_BROADCAST | |
1569 | bool | |
1570 | ||
1571 | # | |
1572 | # CPU non-features | |
1573 | # | |
1574 | config CPU_DADDI_WORKAROUNDS | |
1575 | bool | |
1576 | ||
1577 | config CPU_R4000_WORKAROUNDS | |
1578 | bool | |
1579 | select CPU_R4400_WORKAROUNDS | |
1580 | ||
1581 | config CPU_R4400_WORKAROUNDS | |
1582 | bool | |
1583 | ||
1584 | # | |
1585 | # Use the generic interrupt handling code in kernel/irq/: | |
1586 | # | |
1587 | config GENERIC_HARDIRQS | |
1588 | bool | |
1589 | default y | |
1590 | ||
1591 | config GENERIC_IRQ_PROBE | |
1592 | bool | |
1593 | default y | |
1594 | ||
1595 | config IRQ_PER_CPU | |
1596 | bool | |
1597 | ||
1598 | # | |
1599 | # - Highmem only makes sense for the 32-bit kernel. | |
1600 | # - The current highmem code will only work properly on physically indexed | |
1601 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1602 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1603 | # moment we protect the user and offer the highmem option only on machines | |
1604 | # where it's known to be safe. This will not offer highmem on a few systems | |
1605 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1606 | # indexed CPUs but we're playing safe. | |
1607 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we | |
1608 | # know they might have memory configurations that could make use of highmem | |
1609 | # support. | |
1610 | # | |
1611 | config HIGHMEM | |
1612 | bool "High Memory Support" | |
1613 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM | |
1614 | ||
1615 | config CPU_SUPPORTS_HIGHMEM | |
1616 | bool | |
1617 | ||
1618 | config SYS_SUPPORTS_HIGHMEM | |
1619 | bool | |
1620 | ||
1621 | config SYS_SUPPORTS_SMARTMIPS | |
1622 | bool | |
1623 | ||
1624 | config ARCH_FLATMEM_ENABLE | |
1625 | def_bool y | |
1626 | depends on !NUMA | |
1627 | ||
1628 | config ARCH_DISCONTIGMEM_ENABLE | |
1629 | bool | |
1630 | default y if SGI_IP27 | |
1631 | help | |
1632 | Say Y to support efficient handling of discontiguous physical memory, | |
1633 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
1634 | or have huge holes in the physical address space for other reasons. | |
1635 | See <file:Documentation/vm/numa> for more. | |
1636 | ||
1637 | config ARCH_POPULATES_NODE_MAP | |
1638 | def_bool y | |
1639 | ||
1640 | config ARCH_SPARSEMEM_ENABLE | |
1641 | bool | |
1642 | select SPARSEMEM_STATIC | |
1643 | ||
1644 | config NUMA | |
1645 | bool "NUMA Support" | |
1646 | depends on SYS_SUPPORTS_NUMA | |
1647 | help | |
1648 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1649 | Access). This option improves performance on systems with more | |
1650 | than two nodes; on two node systems it is generally better to | |
1651 | leave it disabled; on single node systems disable this option | |
1652 | disabled. | |
1653 | ||
1654 | config SYS_SUPPORTS_NUMA | |
1655 | bool | |
1656 | ||
1657 | config NODES_SHIFT | |
1658 | int | |
1659 | default "6" | |
1660 | depends on NEED_MULTIPLE_NODES | |
1661 | ||
1662 | source "mm/Kconfig" | |
1663 | ||
1664 | config SMP | |
1665 | bool "Multi-Processing support" | |
1666 | depends on SYS_SUPPORTS_SMP | |
1667 | select IRQ_PER_CPU | |
1668 | select USE_GENERIC_SMP_HELPERS | |
1669 | help | |
1670 | This enables support for systems with more than one CPU. If you have | |
1671 | a system with only one CPU, like most personal computers, say N. If | |
1672 | you have a system with more than one CPU, say Y. | |
1673 | ||
1674 | If you say N here, the kernel will run on single and multiprocessor | |
1675 | machines, but will use only one CPU of a multiprocessor machine. If | |
1676 | you say Y here, the kernel will run on many, but not all, | |
1677 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1678 | will run faster if you say N here. | |
1679 | ||
1680 | People using multiprocessor machines who say Y here should also say | |
1681 | Y to "Enhanced Real Time Clock Support", below. | |
1682 | ||
1683 | See also the SMP-HOWTO available at | |
1684 | <http://www.tldp.org/docs.html#howto>. | |
1685 | ||
1686 | If you don't know what to do here, say N. | |
1687 | ||
1688 | config SMP_UP | |
1689 | bool | |
1690 | ||
1691 | config SYS_SUPPORTS_MIPS_CMP | |
1692 | bool | |
1693 | ||
1694 | config SYS_SUPPORTS_SMP | |
1695 | bool | |
1696 | ||
1697 | config NR_CPUS_DEFAULT_1 | |
1698 | bool | |
1699 | ||
1700 | config NR_CPUS_DEFAULT_2 | |
1701 | bool | |
1702 | ||
1703 | config NR_CPUS_DEFAULT_4 | |
1704 | bool | |
1705 | ||
1706 | config NR_CPUS_DEFAULT_8 | |
1707 | bool | |
1708 | ||
1709 | config NR_CPUS_DEFAULT_16 | |
1710 | bool | |
1711 | ||
1712 | config NR_CPUS_DEFAULT_32 | |
1713 | bool | |
1714 | ||
1715 | config NR_CPUS_DEFAULT_64 | |
1716 | bool | |
1717 | ||
1718 | config NR_CPUS | |
1719 | int "Maximum number of CPUs (2-64)" | |
1720 | range 1 64 if NR_CPUS_DEFAULT_1 | |
1721 | depends on SMP | |
1722 | default "1" if NR_CPUS_DEFAULT_1 | |
1723 | default "2" if NR_CPUS_DEFAULT_2 | |
1724 | default "4" if NR_CPUS_DEFAULT_4 | |
1725 | default "8" if NR_CPUS_DEFAULT_8 | |
1726 | default "16" if NR_CPUS_DEFAULT_16 | |
1727 | default "32" if NR_CPUS_DEFAULT_32 | |
1728 | default "64" if NR_CPUS_DEFAULT_64 | |
1729 | help | |
1730 | This allows you to specify the maximum number of CPUs which this | |
1731 | kernel will support. The maximum supported value is 32 for 32-bit | |
1732 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
1733 | sense is 1 for Qemu (useful only for kernel debugging purposes) | |
1734 | and 2 for all others. | |
1735 | ||
1736 | This is purely to save memory - each supported CPU adds | |
1737 | approximately eight kilobytes to the kernel image. For best | |
1738 | performance should round up your number of processors to the next | |
1739 | power of two. | |
1740 | ||
1741 | source "kernel/time/Kconfig" | |
1742 | ||
1743 | # | |
1744 | # Timer Interrupt Frequency Configuration | |
1745 | # | |
1746 | ||
1747 | choice | |
1748 | prompt "Timer frequency" | |
1749 | default HZ_250 | |
1750 | help | |
1751 | Allows the configuration of the timer frequency. | |
1752 | ||
1753 | config HZ_48 | |
1754 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ | |
1755 | ||
1756 | config HZ_100 | |
1757 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1758 | ||
1759 | config HZ_128 | |
1760 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1761 | ||
1762 | config HZ_250 | |
1763 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1764 | ||
1765 | config HZ_256 | |
1766 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1767 | ||
1768 | config HZ_1000 | |
1769 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1770 | ||
1771 | config HZ_1024 | |
1772 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1773 | ||
1774 | endchoice | |
1775 | ||
1776 | config SYS_SUPPORTS_48HZ | |
1777 | bool | |
1778 | ||
1779 | config SYS_SUPPORTS_100HZ | |
1780 | bool | |
1781 | ||
1782 | config SYS_SUPPORTS_128HZ | |
1783 | bool | |
1784 | ||
1785 | config SYS_SUPPORTS_250HZ | |
1786 | bool | |
1787 | ||
1788 | config SYS_SUPPORTS_256HZ | |
1789 | bool | |
1790 | ||
1791 | config SYS_SUPPORTS_1000HZ | |
1792 | bool | |
1793 | ||
1794 | config SYS_SUPPORTS_1024HZ | |
1795 | bool | |
1796 | ||
1797 | config SYS_SUPPORTS_ARBIT_HZ | |
1798 | bool | |
1799 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1800 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1801 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1802 | !SYS_SUPPORTS_1024HZ | |
1803 | ||
1804 | config HZ | |
1805 | int | |
1806 | default 48 if HZ_48 | |
1807 | default 100 if HZ_100 | |
1808 | default 128 if HZ_128 | |
1809 | default 250 if HZ_250 | |
1810 | default 256 if HZ_256 | |
1811 | default 1000 if HZ_1000 | |
1812 | default 1024 if HZ_1024 | |
1813 | ||
1814 | source "kernel/Kconfig.preempt" | |
1815 | ||
1816 | config MIPS_INSANE_LARGE | |
1817 | bool "Support for large 64-bit configurations" | |
1818 | depends on CPU_R10000 && 64BIT | |
1819 | help | |
1820 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1821 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1822 | need processes of more than 1TB virtual address space, say Y here. | |
1823 | This will result in additional memory usage, so it is not | |
1824 | recommended for normal users. | |
1825 | ||
1826 | config KEXEC | |
1827 | bool "Kexec system call (EXPERIMENTAL)" | |
1828 | depends on EXPERIMENTAL | |
1829 | help | |
1830 | kexec is a system call that implements the ability to shutdown your | |
1831 | current kernel, and to start another kernel. It is like a reboot | |
1832 | but it is independent of the system firmware. And like a reboot | |
1833 | you can start any kernel with it, not just Linux. | |
1834 | ||
1835 | The name comes from the similarity to the exec system call. | |
1836 | ||
1837 | It is an ongoing process to be certain the hardware in a machine | |
1838 | is properly shutdown, so do not be surprised if this code does not | |
1839 | initially work for you. It may help to enable device hotplugging | |
1840 | support. As of this writing the exact hardware interface is | |
1841 | strongly in flux, so no good recommendation can be made. | |
1842 | ||
1843 | config SECCOMP | |
1844 | bool "Enable seccomp to safely compute untrusted bytecode" | |
1845 | depends on PROC_FS | |
1846 | default y | |
1847 | help | |
1848 | This kernel feature is useful for number crunching applications | |
1849 | that may need to compute untrusted bytecode during their | |
1850 | execution. By using pipes or other transports made available to | |
1851 | the process as file descriptors supporting the read/write | |
1852 | syscalls, it's possible to isolate those applications in | |
1853 | their own address space using seccomp. Once seccomp is | |
1854 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1855 | and the task is only allowed to execute a few safe syscalls | |
1856 | defined by each seccomp mode. | |
1857 | ||
1858 | If unsure, say Y. Only embedded should say N here. | |
1859 | ||
1860 | endmenu | |
1861 | ||
1862 | config RWSEM_GENERIC_SPINLOCK | |
1863 | bool | |
1864 | default y | |
1865 | ||
1866 | config LOCKDEP_SUPPORT | |
1867 | bool | |
1868 | default y | |
1869 | ||
1870 | config STACKTRACE_SUPPORT | |
1871 | bool | |
1872 | default y | |
1873 | ||
1874 | source "init/Kconfig" | |
1875 | ||
1876 | config PROBE_INITRD_HEADER | |
1877 | bool "Probe initrd header created by addinitrd" | |
1878 | depends on BLK_DEV_INITRD | |
1879 | help | |
1880 | Probe initrd header at the last page of kernel image. | |
1881 | Say Y here if you are using arch/mips/boot/addinitrd.c to | |
1882 | add initrd or initramfs image to the kernel image. | |
1883 | Otherwise, say N. | |
1884 | ||
1885 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" | |
1886 | ||
1887 | config HW_HAS_EISA | |
1888 | bool | |
1889 | config HW_HAS_PCI | |
1890 | bool | |
1891 | ||
1892 | config PCI | |
1893 | bool "Support for PCI controller" | |
1894 | depends on HW_HAS_PCI | |
1895 | select PCI_DOMAINS | |
1896 | help | |
1897 | Find out whether you have a PCI motherboard. PCI is the name of a | |
1898 | bus system, i.e. the way the CPU talks to the other stuff inside | |
1899 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
1900 | say Y, otherwise N. | |
1901 | ||
1902 | config PCI_DOMAINS | |
1903 | bool | |
1904 | ||
1905 | source "drivers/pci/Kconfig" | |
1906 | ||
1907 | # | |
1908 | # ISA support is now enabled via select. Too many systems still have the one | |
1909 | # or other ISA chip on the board that users don't know about so don't expect | |
1910 | # users to choose the right thing ... | |
1911 | # | |
1912 | config ISA | |
1913 | bool | |
1914 | ||
1915 | config EISA | |
1916 | bool "EISA support" | |
1917 | depends on HW_HAS_EISA | |
1918 | select ISA | |
1919 | select GENERIC_ISA_DMA | |
1920 | ---help--- | |
1921 | The Extended Industry Standard Architecture (EISA) bus was | |
1922 | developed as an open alternative to the IBM MicroChannel bus. | |
1923 | ||
1924 | The EISA bus provided some of the features of the IBM MicroChannel | |
1925 | bus while maintaining backward compatibility with cards made for | |
1926 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
1927 | 1995 when it was made obsolete by the PCI bus. | |
1928 | ||
1929 | Say Y here if you are building a kernel for an EISA-based machine. | |
1930 | ||
1931 | Otherwise, say N. | |
1932 | ||
1933 | source "drivers/eisa/Kconfig" | |
1934 | ||
1935 | config TC | |
1936 | bool "TURBOchannel support" | |
1937 | depends on MACH_DECSTATION | |
1938 | help | |
1939 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
1940 | processors. Documentation on writing device drivers for TurboChannel | |
1941 | is available at: | |
1942 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
1943 | ||
1944 | #config ACCESSBUS | |
1945 | # bool "Access.Bus support" | |
1946 | # depends on TC | |
1947 | ||
1948 | config MMU | |
1949 | bool | |
1950 | default y | |
1951 | ||
1952 | config I8253 | |
1953 | bool | |
1954 | ||
1955 | config ZONE_DMA32 | |
1956 | bool | |
1957 | ||
1958 | source "drivers/pcmcia/Kconfig" | |
1959 | ||
1960 | source "drivers/pci/hotplug/Kconfig" | |
1961 | ||
1962 | endmenu | |
1963 | ||
1964 | menu "Executable file formats" | |
1965 | ||
1966 | source "fs/Kconfig.binfmt" | |
1967 | ||
1968 | config TRAD_SIGNALS | |
1969 | bool | |
1970 | ||
1971 | config MIPS32_COMPAT | |
1972 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
1973 | depends on 64BIT | |
1974 | help | |
1975 | Select this option if you want Linux/MIPS 32-bit binary | |
1976 | compatibility. Since all software available for Linux/MIPS is | |
1977 | currently 32-bit you should say Y here. | |
1978 | ||
1979 | config COMPAT | |
1980 | bool | |
1981 | depends on MIPS32_COMPAT | |
1982 | default y | |
1983 | ||
1984 | config SYSVIPC_COMPAT | |
1985 | bool | |
1986 | depends on COMPAT && SYSVIPC | |
1987 | default y | |
1988 | ||
1989 | config MIPS32_O32 | |
1990 | bool "Kernel support for o32 binaries" | |
1991 | depends on MIPS32_COMPAT | |
1992 | help | |
1993 | Select this option if you want to run o32 binaries. These are pure | |
1994 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
1995 | existing binaries are in this format. | |
1996 | ||
1997 | If unsure, say Y. | |
1998 | ||
1999 | config MIPS32_N32 | |
2000 | bool "Kernel support for n32 binaries" | |
2001 | depends on MIPS32_COMPAT | |
2002 | help | |
2003 | Select this option if you want to run n32 binaries. These are | |
2004 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2005 | data that would normally be 64-bit. They are used in special | |
2006 | cases. | |
2007 | ||
2008 | If unsure, say N. | |
2009 | ||
2010 | config BINFMT_ELF32 | |
2011 | bool | |
2012 | default y if MIPS32_O32 || MIPS32_N32 | |
2013 | ||
2014 | endmenu | |
2015 | ||
2016 | menu "Power management options" | |
2017 | ||
2018 | config ARCH_SUSPEND_POSSIBLE | |
2019 | def_bool y | |
2020 | depends on !SMP | |
2021 | ||
2022 | source "kernel/power/Kconfig" | |
2023 | ||
2024 | endmenu | |
2025 | ||
2026 | source "net/Kconfig" | |
2027 | ||
2028 | source "drivers/Kconfig" | |
2029 | ||
2030 | source "fs/Kconfig" | |
2031 | ||
2032 | source "arch/mips/Kconfig.debug" | |
2033 | ||
2034 | source "security/Kconfig" | |
2035 | ||
2036 | source "crypto/Kconfig" | |
2037 | ||
2038 | source "lib/Kconfig" |