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