]>
Commit | Line | Data |
---|---|---|
1 | config MIPS | |
2 | bool | |
3 | default y | |
4 | select ARCH_MIGHT_HAVE_PC_PARPORT | |
5 | select ARCH_MIGHT_HAVE_PC_SERIO | |
6 | select HAVE_CONTEXT_TRACKING | |
7 | select HAVE_GENERIC_DMA_COHERENT | |
8 | select HAVE_IDE | |
9 | select HAVE_OPROFILE | |
10 | select HAVE_PERF_EVENTS | |
11 | select PERF_USE_VMALLOC | |
12 | select HAVE_ARCH_KGDB | |
13 | select HAVE_ARCH_TRACEHOOK | |
14 | select ARCH_HAVE_CUSTOM_GPIO_H | |
15 | select HAVE_FUNCTION_TRACER | |
16 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST | |
17 | select HAVE_DYNAMIC_FTRACE | |
18 | select HAVE_FTRACE_MCOUNT_RECORD | |
19 | select HAVE_C_RECORDMCOUNT | |
20 | select HAVE_FUNCTION_GRAPH_TRACER | |
21 | select HAVE_KPROBES | |
22 | select HAVE_KRETPROBES | |
23 | select HAVE_DEBUG_KMEMLEAK | |
24 | select HAVE_SYSCALL_TRACEPOINTS | |
25 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE | |
26 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT | |
27 | select RTC_LIB if !MACH_LOONGSON | |
28 | select GENERIC_ATOMIC64 if !64BIT | |
29 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
30 | select HAVE_DMA_ATTRS | |
31 | select HAVE_DMA_API_DEBUG | |
32 | select GENERIC_IRQ_PROBE | |
33 | select GENERIC_IRQ_SHOW | |
34 | select GENERIC_PCI_IOMAP | |
35 | select HAVE_ARCH_JUMP_LABEL | |
36 | select ARCH_WANT_IPC_PARSE_VERSION | |
37 | select IRQ_FORCED_THREADING | |
38 | select HAVE_MEMBLOCK | |
39 | select HAVE_MEMBLOCK_NODE_MAP | |
40 | select ARCH_DISCARD_MEMBLOCK | |
41 | select GENERIC_SMP_IDLE_THREAD | |
42 | select BUILDTIME_EXTABLE_SORT | |
43 | select GENERIC_CLOCKEVENTS | |
44 | select GENERIC_CMOS_UPDATE | |
45 | select HAVE_MOD_ARCH_SPECIFIC | |
46 | select VIRT_TO_BUS | |
47 | select MODULES_USE_ELF_REL if MODULES | |
48 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
49 | select CLONE_BACKWARDS | |
50 | select HAVE_DEBUG_STACKOVERFLOW | |
51 | select HAVE_CC_STACKPROTECTOR | |
52 | ||
53 | menu "Machine selection" | |
54 | ||
55 | choice | |
56 | prompt "System type" | |
57 | default SGI_IP22 | |
58 | ||
59 | config MIPS_ALCHEMY | |
60 | bool "Alchemy processor based machines" | |
61 | select 64BIT_PHYS_ADDR | |
62 | select CEVT_R4K | |
63 | select CSRC_R4K | |
64 | select IRQ_CPU | |
65 | select SYS_HAS_CPU_MIPS32_R1 | |
66 | select SYS_SUPPORTS_32BIT_KERNEL | |
67 | select SYS_SUPPORTS_APM_EMULATION | |
68 | select ARCH_REQUIRE_GPIOLIB | |
69 | select SYS_SUPPORTS_ZBOOT | |
70 | select USB_ARCH_HAS_OHCI | |
71 | select USB_ARCH_HAS_EHCI | |
72 | ||
73 | config AR7 | |
74 | bool "Texas Instruments AR7" | |
75 | select BOOT_ELF32 | |
76 | select DMA_NONCOHERENT | |
77 | select CEVT_R4K | |
78 | select CSRC_R4K | |
79 | select IRQ_CPU | |
80 | select NO_EXCEPT_FILL | |
81 | select SWAP_IO_SPACE | |
82 | select SYS_HAS_CPU_MIPS32_R1 | |
83 | select SYS_HAS_EARLY_PRINTK | |
84 | select SYS_SUPPORTS_32BIT_KERNEL | |
85 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
86 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
87 | select ARCH_REQUIRE_GPIOLIB | |
88 | select VLYNQ | |
89 | select HAVE_CLK | |
90 | help | |
91 | Support for the Texas Instruments AR7 System-on-a-Chip | |
92 | family: TNETD7100, 7200 and 7300. | |
93 | ||
94 | config ATH79 | |
95 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
96 | select ARCH_REQUIRE_GPIOLIB | |
97 | select BOOT_RAW | |
98 | select CEVT_R4K | |
99 | select CSRC_R4K | |
100 | select DMA_NONCOHERENT | |
101 | select HAVE_CLK | |
102 | select CLKDEV_LOOKUP | |
103 | select IRQ_CPU | |
104 | select MIPS_MACHINE | |
105 | select SYS_HAS_CPU_MIPS32_R2 | |
106 | select SYS_HAS_EARLY_PRINTK | |
107 | select SYS_SUPPORTS_32BIT_KERNEL | |
108 | select SYS_SUPPORTS_BIG_ENDIAN | |
109 | help | |
110 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
111 | ||
112 | config BCM47XX | |
113 | bool "Broadcom BCM47XX based boards" | |
114 | select ARCH_WANT_OPTIONAL_GPIOLIB | |
115 | select BOOT_RAW | |
116 | select CEVT_R4K | |
117 | select CSRC_R4K | |
118 | select DMA_NONCOHERENT | |
119 | select HW_HAS_PCI | |
120 | select IRQ_CPU | |
121 | select SYS_HAS_CPU_MIPS32_R1 | |
122 | select NO_EXCEPT_FILL | |
123 | select SYS_SUPPORTS_32BIT_KERNEL | |
124 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
125 | select SYS_HAS_EARLY_PRINTK | |
126 | select EARLY_PRINTK_8250 if EARLY_PRINTK | |
127 | help | |
128 | Support for BCM47XX based boards | |
129 | ||
130 | config BCM63XX | |
131 | bool "Broadcom BCM63XX based boards" | |
132 | select BOOT_RAW | |
133 | select CEVT_R4K | |
134 | select CSRC_R4K | |
135 | select DMA_NONCOHERENT | |
136 | select IRQ_CPU | |
137 | select SYS_SUPPORTS_32BIT_KERNEL | |
138 | select SYS_SUPPORTS_BIG_ENDIAN | |
139 | select SYS_HAS_EARLY_PRINTK | |
140 | select SWAP_IO_SPACE | |
141 | select ARCH_REQUIRE_GPIOLIB | |
142 | select HAVE_CLK | |
143 | select MIPS_L1_CACHE_SHIFT_4 | |
144 | help | |
145 | Support for BCM63XX based boards | |
146 | ||
147 | config MIPS_COBALT | |
148 | bool "Cobalt Server" | |
149 | select CEVT_R4K | |
150 | select CSRC_R4K | |
151 | select CEVT_GT641XX | |
152 | select DMA_NONCOHERENT | |
153 | select EARLY_PRINTK_8250 if EARLY_PRINTK | |
154 | select HW_HAS_PCI | |
155 | select I8253 | |
156 | select I8259 | |
157 | select IRQ_CPU | |
158 | select IRQ_GT641XX | |
159 | select PCI_GT64XXX_PCI0 | |
160 | select PCI | |
161 | select SYS_HAS_CPU_NEVADA | |
162 | select SYS_HAS_EARLY_PRINTK | |
163 | select SYS_SUPPORTS_32BIT_KERNEL | |
164 | select SYS_SUPPORTS_64BIT_KERNEL | |
165 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
166 | ||
167 | config MACH_DECSTATION | |
168 | bool "DECstations" | |
169 | select BOOT_ELF32 | |
170 | select CEVT_DS1287 | |
171 | select CEVT_R4K | |
172 | select CSRC_IOASIC | |
173 | select CSRC_R4K | |
174 | select CPU_DADDI_WORKAROUNDS if 64BIT | |
175 | select CPU_R4000_WORKAROUNDS if 64BIT | |
176 | select CPU_R4400_WORKAROUNDS if 64BIT | |
177 | select DMA_NONCOHERENT | |
178 | select NO_IOPORT | |
179 | select IRQ_CPU | |
180 | select SYS_HAS_CPU_R3000 | |
181 | select SYS_HAS_CPU_R4X00 | |
182 | select SYS_SUPPORTS_32BIT_KERNEL | |
183 | select SYS_SUPPORTS_64BIT_KERNEL | |
184 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
185 | select SYS_SUPPORTS_128HZ | |
186 | select SYS_SUPPORTS_256HZ | |
187 | select SYS_SUPPORTS_1024HZ | |
188 | select MIPS_L1_CACHE_SHIFT_4 | |
189 | help | |
190 | This enables support for DEC's MIPS based workstations. For details | |
191 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
192 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
193 | ||
194 | If you have one of the following DECstation Models you definitely | |
195 | want to choose R4xx0 for the CPU Type: | |
196 | ||
197 | DECstation 5000/50 | |
198 | DECstation 5000/150 | |
199 | DECstation 5000/260 | |
200 | DECsystem 5900/260 | |
201 | ||
202 | otherwise choose R3000. | |
203 | ||
204 | config MACH_JAZZ | |
205 | bool "Jazz family of machines" | |
206 | select FW_ARC | |
207 | select FW_ARC32 | |
208 | select ARCH_MAY_HAVE_PC_FDC | |
209 | select CEVT_R4K | |
210 | select CSRC_R4K | |
211 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
212 | select GENERIC_ISA_DMA | |
213 | select HAVE_PCSPKR_PLATFORM | |
214 | select IRQ_CPU | |
215 | select I8253 | |
216 | select I8259 | |
217 | select ISA | |
218 | select SYS_HAS_CPU_R4X00 | |
219 | select SYS_SUPPORTS_32BIT_KERNEL | |
220 | select SYS_SUPPORTS_64BIT_KERNEL | |
221 | select SYS_SUPPORTS_100HZ | |
222 | help | |
223 | This a family of machines based on the MIPS R4030 chipset which was | |
224 | used by several vendors to build RISC/os and Windows NT workstations. | |
225 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and | |
226 | Olivetti M700-10 workstations. | |
227 | ||
228 | config MACH_JZ4740 | |
229 | bool "Ingenic JZ4740 based machines" | |
230 | select SYS_HAS_CPU_MIPS32_R1 | |
231 | select SYS_SUPPORTS_32BIT_KERNEL | |
232 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
233 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
234 | select DMA_NONCOHERENT | |
235 | select IRQ_CPU | |
236 | select ARCH_REQUIRE_GPIOLIB | |
237 | select SYS_HAS_EARLY_PRINTK | |
238 | select HAVE_PWM | |
239 | select HAVE_CLK | |
240 | select GENERIC_IRQ_CHIP | |
241 | ||
242 | config LANTIQ | |
243 | bool "Lantiq based platforms" | |
244 | select DMA_NONCOHERENT | |
245 | select IRQ_CPU | |
246 | select CEVT_R4K | |
247 | select CSRC_R4K | |
248 | select SYS_HAS_CPU_MIPS32_R1 | |
249 | select SYS_HAS_CPU_MIPS32_R2 | |
250 | select SYS_SUPPORTS_BIG_ENDIAN | |
251 | select SYS_SUPPORTS_32BIT_KERNEL | |
252 | select SYS_SUPPORTS_MULTITHREADING | |
253 | select SYS_HAS_EARLY_PRINTK | |
254 | select ARCH_REQUIRE_GPIOLIB | |
255 | select SWAP_IO_SPACE | |
256 | select BOOT_RAW | |
257 | select HAVE_MACH_CLKDEV | |
258 | select CLKDEV_LOOKUP | |
259 | select USE_OF | |
260 | select PINCTRL | |
261 | select PINCTRL_LANTIQ | |
262 | ||
263 | config LASAT | |
264 | bool "LASAT Networks platforms" | |
265 | select CEVT_R4K | |
266 | select CSRC_R4K | |
267 | select DMA_NONCOHERENT | |
268 | select SYS_HAS_EARLY_PRINTK | |
269 | select HW_HAS_PCI | |
270 | select IRQ_CPU | |
271 | select PCI_GT64XXX_PCI0 | |
272 | select MIPS_NILE4 | |
273 | select R5000_CPU_SCACHE | |
274 | select SYS_HAS_CPU_R5000 | |
275 | select SYS_SUPPORTS_32BIT_KERNEL | |
276 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
277 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
278 | ||
279 | config MACH_LOONGSON | |
280 | bool "Loongson family of machines" | |
281 | select SYS_SUPPORTS_ZBOOT | |
282 | help | |
283 | This enables the support of Loongson family of machines. | |
284 | ||
285 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
286 | developed at Institute of Computing Technology (ICT), | |
287 | Chinese Academy of Sciences (CAS) in the People's Republic | |
288 | of China. The chief architect is Professor Weiwu Hu. | |
289 | ||
290 | config MACH_LOONGSON1 | |
291 | bool "Loongson 1 family of machines" | |
292 | select SYS_SUPPORTS_ZBOOT | |
293 | help | |
294 | This enables support for the Loongson 1 based machines. | |
295 | ||
296 | Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by | |
297 | the ICT (Institute of Computing Technology) and the Chinese Academy | |
298 | of Sciences. | |
299 | ||
300 | config MIPS_MALTA | |
301 | bool "MIPS Malta board" | |
302 | select ARCH_MAY_HAVE_PC_FDC | |
303 | select BOOT_ELF32 | |
304 | select BOOT_RAW | |
305 | select CEVT_R4K | |
306 | select CSRC_R4K | |
307 | select CSRC_GIC | |
308 | select DMA_MAYBE_COHERENT | |
309 | select GENERIC_ISA_DMA | |
310 | select HAVE_PCSPKR_PLATFORM | |
311 | select IRQ_CPU | |
312 | select IRQ_GIC | |
313 | select HW_HAS_PCI | |
314 | select I8253 | |
315 | select I8259 | |
316 | select MIPS_BONITO64 | |
317 | select MIPS_CPU_SCACHE | |
318 | select PCI_GT64XXX_PCI0 | |
319 | select MIPS_MSC | |
320 | select SWAP_IO_SPACE | |
321 | select SYS_HAS_CPU_MIPS32_R1 | |
322 | select SYS_HAS_CPU_MIPS32_R2 | |
323 | select SYS_HAS_CPU_MIPS64_R1 | |
324 | select SYS_HAS_CPU_MIPS64_R2 | |
325 | select SYS_HAS_CPU_NEVADA | |
326 | select SYS_HAS_CPU_RM7000 | |
327 | select SYS_SUPPORTS_32BIT_KERNEL | |
328 | select SYS_SUPPORTS_64BIT_KERNEL | |
329 | select SYS_SUPPORTS_BIG_ENDIAN | |
330 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
331 | select SYS_SUPPORTS_MIPS_CMP | |
332 | select SYS_SUPPORTS_MULTITHREADING | |
333 | select SYS_SUPPORTS_SMARTMIPS | |
334 | select SYS_SUPPORTS_ZBOOT | |
335 | help | |
336 | This enables support for the MIPS Technologies Malta evaluation | |
337 | board. | |
338 | ||
339 | config MIPS_SEAD3 | |
340 | bool "MIPS SEAD3 board" | |
341 | select BOOT_ELF32 | |
342 | select BOOT_RAW | |
343 | select CEVT_R4K | |
344 | select CSRC_R4K | |
345 | select CSRC_GIC | |
346 | select CPU_MIPSR2_IRQ_VI | |
347 | select CPU_MIPSR2_IRQ_EI | |
348 | select DMA_NONCOHERENT | |
349 | select IRQ_CPU | |
350 | select IRQ_GIC | |
351 | select LIBFDT | |
352 | select MIPS_MSC | |
353 | select SYS_HAS_CPU_MIPS32_R1 | |
354 | select SYS_HAS_CPU_MIPS32_R2 | |
355 | select SYS_HAS_CPU_MIPS64_R1 | |
356 | select SYS_HAS_EARLY_PRINTK | |
357 | select SYS_SUPPORTS_32BIT_KERNEL | |
358 | select SYS_SUPPORTS_64BIT_KERNEL | |
359 | select SYS_SUPPORTS_BIG_ENDIAN | |
360 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
361 | select SYS_SUPPORTS_SMARTMIPS | |
362 | select SYS_SUPPORTS_MICROMIPS | |
363 | select USB_ARCH_HAS_EHCI | |
364 | select USB_EHCI_BIG_ENDIAN_DESC | |
365 | select USB_EHCI_BIG_ENDIAN_MMIO | |
366 | select USE_OF | |
367 | help | |
368 | This enables support for the MIPS Technologies SEAD3 evaluation | |
369 | board. | |
370 | ||
371 | config NEC_MARKEINS | |
372 | bool "NEC EMMA2RH Mark-eins board" | |
373 | select SOC_EMMA2RH | |
374 | select HW_HAS_PCI | |
375 | help | |
376 | This enables support for the NEC Electronics Mark-eins boards. | |
377 | ||
378 | config MACH_VR41XX | |
379 | bool "NEC VR4100 series based machines" | |
380 | select CEVT_R4K | |
381 | select CSRC_R4K | |
382 | select SYS_HAS_CPU_VR41XX | |
383 | select ARCH_REQUIRE_GPIOLIB | |
384 | ||
385 | config NXP_STB220 | |
386 | bool "NXP STB220 board" | |
387 | select SOC_PNX833X | |
388 | help | |
389 | Support for NXP Semiconductors STB220 Development Board. | |
390 | ||
391 | config NXP_STB225 | |
392 | bool "NXP 225 board" | |
393 | select SOC_PNX833X | |
394 | select SOC_PNX8335 | |
395 | help | |
396 | Support for NXP Semiconductors STB225 Development Board. | |
397 | ||
398 | config PMC_MSP | |
399 | bool "PMC-Sierra MSP chipsets" | |
400 | select CEVT_R4K | |
401 | select CSRC_R4K | |
402 | select DMA_NONCOHERENT | |
403 | select SWAP_IO_SPACE | |
404 | select NO_EXCEPT_FILL | |
405 | select BOOT_RAW | |
406 | select SYS_HAS_CPU_MIPS32_R1 | |
407 | select SYS_HAS_CPU_MIPS32_R2 | |
408 | select SYS_SUPPORTS_32BIT_KERNEL | |
409 | select SYS_SUPPORTS_BIG_ENDIAN | |
410 | select IRQ_CPU | |
411 | select SERIAL_8250 | |
412 | select SERIAL_8250_CONSOLE | |
413 | select USB_EHCI_BIG_ENDIAN_MMIO | |
414 | select USB_EHCI_BIG_ENDIAN_DESC | |
415 | help | |
416 | This adds support for the PMC-Sierra family of Multi-Service | |
417 | Processor System-On-A-Chips. These parts include a number | |
418 | of integrated peripherals, interfaces and DSPs in addition to | |
419 | a variety of MIPS cores. | |
420 | ||
421 | config RALINK | |
422 | bool "Ralink based machines" | |
423 | select CEVT_R4K | |
424 | select CSRC_R4K | |
425 | select BOOT_RAW | |
426 | select DMA_NONCOHERENT | |
427 | select IRQ_CPU | |
428 | select USE_OF | |
429 | select SYS_HAS_CPU_MIPS32_R1 | |
430 | select SYS_HAS_CPU_MIPS32_R2 | |
431 | select SYS_SUPPORTS_32BIT_KERNEL | |
432 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
433 | select SYS_HAS_EARLY_PRINTK | |
434 | select HAVE_MACH_CLKDEV | |
435 | select CLKDEV_LOOKUP | |
436 | select ARCH_HAS_RESET_CONTROLLER | |
437 | select RESET_CONTROLLER | |
438 | ||
439 | config SGI_IP22 | |
440 | bool "SGI IP22 (Indy/Indigo2)" | |
441 | select FW_ARC | |
442 | select FW_ARC32 | |
443 | select BOOT_ELF32 | |
444 | select CEVT_R4K | |
445 | select CSRC_R4K | |
446 | select DEFAULT_SGI_PARTITION | |
447 | select DMA_NONCOHERENT | |
448 | select HW_HAS_EISA | |
449 | select I8253 | |
450 | select I8259 | |
451 | select IP22_CPU_SCACHE | |
452 | select IRQ_CPU | |
453 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
454 | select SGI_HAS_I8042 | |
455 | select SGI_HAS_INDYDOG | |
456 | select SGI_HAS_HAL2 | |
457 | select SGI_HAS_SEEQ | |
458 | select SGI_HAS_WD93 | |
459 | select SGI_HAS_ZILOG | |
460 | select SWAP_IO_SPACE | |
461 | select SYS_HAS_CPU_R4X00 | |
462 | select SYS_HAS_CPU_R5000 | |
463 | # | |
464 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
465 | # memory during early boot on some machines. | |
466 | # | |
467 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
468 | # for a more details discussion | |
469 | # | |
470 | # select SYS_HAS_EARLY_PRINTK | |
471 | select SYS_SUPPORTS_32BIT_KERNEL | |
472 | select SYS_SUPPORTS_64BIT_KERNEL | |
473 | select SYS_SUPPORTS_BIG_ENDIAN | |
474 | select MIPS_L1_CACHE_SHIFT_7 | |
475 | help | |
476 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
477 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
478 | that runs on these, say Y here. | |
479 | ||
480 | config SGI_IP27 | |
481 | bool "SGI IP27 (Origin200/2000)" | |
482 | select FW_ARC | |
483 | select FW_ARC64 | |
484 | select BOOT_ELF64 | |
485 | select DEFAULT_SGI_PARTITION | |
486 | select DMA_COHERENT | |
487 | select SYS_HAS_EARLY_PRINTK | |
488 | select HW_HAS_PCI | |
489 | select NR_CPUS_DEFAULT_64 | |
490 | select SYS_HAS_CPU_R10000 | |
491 | select SYS_SUPPORTS_64BIT_KERNEL | |
492 | select SYS_SUPPORTS_BIG_ENDIAN | |
493 | select SYS_SUPPORTS_NUMA | |
494 | select SYS_SUPPORTS_SMP | |
495 | select MIPS_L1_CACHE_SHIFT_7 | |
496 | help | |
497 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
498 | workstations. To compile a Linux kernel that runs on these, say Y | |
499 | here. | |
500 | ||
501 | config SGI_IP28 | |
502 | bool "SGI IP28 (Indigo2 R10k)" | |
503 | select FW_ARC | |
504 | select FW_ARC64 | |
505 | select BOOT_ELF64 | |
506 | select CEVT_R4K | |
507 | select CSRC_R4K | |
508 | select DEFAULT_SGI_PARTITION | |
509 | select DMA_NONCOHERENT | |
510 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
511 | select IRQ_CPU | |
512 | select HW_HAS_EISA | |
513 | select I8253 | |
514 | select I8259 | |
515 | select SGI_HAS_I8042 | |
516 | select SGI_HAS_INDYDOG | |
517 | select SGI_HAS_HAL2 | |
518 | select SGI_HAS_SEEQ | |
519 | select SGI_HAS_WD93 | |
520 | select SGI_HAS_ZILOG | |
521 | select SWAP_IO_SPACE | |
522 | select SYS_HAS_CPU_R10000 | |
523 | # | |
524 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
525 | # memory during early boot on some machines. | |
526 | # | |
527 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
528 | # for a more details discussion | |
529 | # | |
530 | # select SYS_HAS_EARLY_PRINTK | |
531 | select SYS_SUPPORTS_64BIT_KERNEL | |
532 | select SYS_SUPPORTS_BIG_ENDIAN | |
533 | help | |
534 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
535 | kernel that runs on these, say Y here. | |
536 | ||
537 | config SGI_IP32 | |
538 | bool "SGI IP32 (O2)" | |
539 | select FW_ARC | |
540 | select FW_ARC32 | |
541 | select BOOT_ELF32 | |
542 | select CEVT_R4K | |
543 | select CSRC_R4K | |
544 | select DMA_NONCOHERENT | |
545 | select HW_HAS_PCI | |
546 | select IRQ_CPU | |
547 | select R5000_CPU_SCACHE | |
548 | select RM7000_CPU_SCACHE | |
549 | select SYS_HAS_CPU_R5000 | |
550 | select SYS_HAS_CPU_R10000 if BROKEN | |
551 | select SYS_HAS_CPU_RM7000 | |
552 | select SYS_HAS_CPU_NEVADA | |
553 | select SYS_SUPPORTS_64BIT_KERNEL | |
554 | select SYS_SUPPORTS_BIG_ENDIAN | |
555 | help | |
556 | If you want this kernel to run on SGI O2 workstation, say Y here. | |
557 | ||
558 | config SIBYTE_CRHINE | |
559 | bool "Sibyte BCM91120C-CRhine" | |
560 | select BOOT_ELF32 | |
561 | select DMA_COHERENT | |
562 | select SIBYTE_BCM1120 | |
563 | select SWAP_IO_SPACE | |
564 | select SYS_HAS_CPU_SB1 | |
565 | select SYS_SUPPORTS_BIG_ENDIAN | |
566 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
567 | ||
568 | config SIBYTE_CARMEL | |
569 | bool "Sibyte BCM91120x-Carmel" | |
570 | select BOOT_ELF32 | |
571 | select DMA_COHERENT | |
572 | select SIBYTE_BCM1120 | |
573 | select SWAP_IO_SPACE | |
574 | select SYS_HAS_CPU_SB1 | |
575 | select SYS_SUPPORTS_BIG_ENDIAN | |
576 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
577 | ||
578 | config SIBYTE_CRHONE | |
579 | bool "Sibyte BCM91125C-CRhone" | |
580 | select BOOT_ELF32 | |
581 | select DMA_COHERENT | |
582 | select SIBYTE_BCM1125 | |
583 | select SWAP_IO_SPACE | |
584 | select SYS_HAS_CPU_SB1 | |
585 | select SYS_SUPPORTS_BIG_ENDIAN | |
586 | select SYS_SUPPORTS_HIGHMEM | |
587 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
588 | ||
589 | config SIBYTE_RHONE | |
590 | bool "Sibyte BCM91125E-Rhone" | |
591 | select BOOT_ELF32 | |
592 | select DMA_COHERENT | |
593 | select SIBYTE_BCM1125H | |
594 | select SWAP_IO_SPACE | |
595 | select SYS_HAS_CPU_SB1 | |
596 | select SYS_SUPPORTS_BIG_ENDIAN | |
597 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
598 | ||
599 | config SIBYTE_SWARM | |
600 | bool "Sibyte BCM91250A-SWARM" | |
601 | select BOOT_ELF32 | |
602 | select DMA_COHERENT | |
603 | select HAVE_PATA_PLATFORM | |
604 | select SIBYTE_SB1250 | |
605 | select SWAP_IO_SPACE | |
606 | select SYS_HAS_CPU_SB1 | |
607 | select SYS_SUPPORTS_BIG_ENDIAN | |
608 | select SYS_SUPPORTS_HIGHMEM | |
609 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
610 | select ZONE_DMA32 if 64BIT | |
611 | ||
612 | config SIBYTE_LITTLESUR | |
613 | bool "Sibyte BCM91250C2-LittleSur" | |
614 | select BOOT_ELF32 | |
615 | select DMA_COHERENT | |
616 | select HAVE_PATA_PLATFORM | |
617 | select SIBYTE_SB1250 | |
618 | select SWAP_IO_SPACE | |
619 | select SYS_HAS_CPU_SB1 | |
620 | select SYS_SUPPORTS_BIG_ENDIAN | |
621 | select SYS_SUPPORTS_HIGHMEM | |
622 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
623 | ||
624 | config SIBYTE_SENTOSA | |
625 | bool "Sibyte BCM91250E-Sentosa" | |
626 | select BOOT_ELF32 | |
627 | select DMA_COHERENT | |
628 | select SIBYTE_SB1250 | |
629 | select SWAP_IO_SPACE | |
630 | select SYS_HAS_CPU_SB1 | |
631 | select SYS_SUPPORTS_BIG_ENDIAN | |
632 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
633 | ||
634 | config SIBYTE_BIGSUR | |
635 | bool "Sibyte BCM91480B-BigSur" | |
636 | select BOOT_ELF32 | |
637 | select DMA_COHERENT | |
638 | select NR_CPUS_DEFAULT_4 | |
639 | select SIBYTE_BCM1x80 | |
640 | select SWAP_IO_SPACE | |
641 | select SYS_HAS_CPU_SB1 | |
642 | select SYS_SUPPORTS_BIG_ENDIAN | |
643 | select SYS_SUPPORTS_HIGHMEM | |
644 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
645 | select ZONE_DMA32 if 64BIT | |
646 | ||
647 | config SNI_RM | |
648 | bool "SNI RM200/300/400" | |
649 | select FW_ARC if CPU_LITTLE_ENDIAN | |
650 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
651 | select FW_SNIPROM if CPU_BIG_ENDIAN | |
652 | select ARCH_MAY_HAVE_PC_FDC | |
653 | select BOOT_ELF32 | |
654 | select CEVT_R4K | |
655 | select CSRC_R4K | |
656 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
657 | select DMA_NONCOHERENT | |
658 | select GENERIC_ISA_DMA | |
659 | select HAVE_PCSPKR_PLATFORM | |
660 | select HW_HAS_EISA | |
661 | select HW_HAS_PCI | |
662 | select IRQ_CPU | |
663 | select I8253 | |
664 | select I8259 | |
665 | select ISA | |
666 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN | |
667 | select SYS_HAS_CPU_R4X00 | |
668 | select SYS_HAS_CPU_R5000 | |
669 | select SYS_HAS_CPU_R10000 | |
670 | select R5000_CPU_SCACHE | |
671 | select SYS_HAS_EARLY_PRINTK | |
672 | select SYS_SUPPORTS_32BIT_KERNEL | |
673 | select SYS_SUPPORTS_64BIT_KERNEL | |
674 | select SYS_SUPPORTS_BIG_ENDIAN | |
675 | select SYS_SUPPORTS_HIGHMEM | |
676 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
677 | help | |
678 | The SNI RM200/300/400 are MIPS-based machines manufactured by | |
679 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
680 | Technology and now in turn merged with Fujitsu. Say Y here to | |
681 | support this machine type. | |
682 | ||
683 | config MACH_TX39XX | |
684 | bool "Toshiba TX39 series based machines" | |
685 | ||
686 | config MACH_TX49XX | |
687 | bool "Toshiba TX49 series based machines" | |
688 | ||
689 | config MIKROTIK_RB532 | |
690 | bool "Mikrotik RB532 boards" | |
691 | select CEVT_R4K | |
692 | select CSRC_R4K | |
693 | select DMA_NONCOHERENT | |
694 | select HW_HAS_PCI | |
695 | select IRQ_CPU | |
696 | select SYS_HAS_CPU_MIPS32_R1 | |
697 | select SYS_SUPPORTS_32BIT_KERNEL | |
698 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
699 | select SWAP_IO_SPACE | |
700 | select BOOT_RAW | |
701 | select ARCH_REQUIRE_GPIOLIB | |
702 | select MIPS_L1_CACHE_SHIFT_4 | |
703 | help | |
704 | Support the Mikrotik(tm) RouterBoard 532 series, | |
705 | based on the IDT RC32434 SoC. | |
706 | ||
707 | config CAVIUM_OCTEON_SOC | |
708 | bool "Cavium Networks Octeon SoC based boards" | |
709 | select CEVT_R4K | |
710 | select 64BIT_PHYS_ADDR | |
711 | select DMA_COHERENT | |
712 | select SYS_SUPPORTS_64BIT_KERNEL | |
713 | select SYS_SUPPORTS_BIG_ENDIAN | |
714 | select EDAC_SUPPORT | |
715 | select SYS_SUPPORTS_HOTPLUG_CPU | |
716 | select SYS_HAS_EARLY_PRINTK | |
717 | select SYS_HAS_CPU_CAVIUM_OCTEON | |
718 | select SWAP_IO_SPACE | |
719 | select HW_HAS_PCI | |
720 | select ZONE_DMA32 | |
721 | select USB_ARCH_HAS_OHCI | |
722 | select USB_ARCH_HAS_EHCI | |
723 | select HOLES_IN_ZONE | |
724 | select ARCH_REQUIRE_GPIOLIB | |
725 | help | |
726 | This option supports all of the Octeon reference boards from Cavium | |
727 | Networks. It builds a kernel that dynamically determines the Octeon | |
728 | CPU type and supports all known board reference implementations. | |
729 | Some of the supported boards are: | |
730 | EBT3000 | |
731 | EBH3000 | |
732 | EBH3100 | |
733 | Thunder | |
734 | Kodama | |
735 | Hikari | |
736 | Say Y here for most Octeon reference boards. | |
737 | ||
738 | config NLM_XLR_BOARD | |
739 | bool "Netlogic XLR/XLS based systems" | |
740 | select BOOT_ELF32 | |
741 | select NLM_COMMON | |
742 | select SYS_HAS_CPU_XLR | |
743 | select SYS_SUPPORTS_SMP | |
744 | select HW_HAS_PCI | |
745 | select SWAP_IO_SPACE | |
746 | select SYS_SUPPORTS_32BIT_KERNEL | |
747 | select SYS_SUPPORTS_64BIT_KERNEL | |
748 | select 64BIT_PHYS_ADDR | |
749 | select SYS_SUPPORTS_BIG_ENDIAN | |
750 | select SYS_SUPPORTS_HIGHMEM | |
751 | select DMA_COHERENT | |
752 | select NR_CPUS_DEFAULT_32 | |
753 | select CEVT_R4K | |
754 | select CSRC_R4K | |
755 | select IRQ_CPU | |
756 | select ZONE_DMA32 if 64BIT | |
757 | select SYNC_R4K | |
758 | select SYS_HAS_EARLY_PRINTK | |
759 | select USB_ARCH_HAS_OHCI if USB_SUPPORT | |
760 | select USB_ARCH_HAS_EHCI if USB_SUPPORT | |
761 | select SYS_SUPPORTS_ZBOOT | |
762 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
763 | help | |
764 | Support for systems based on Netlogic XLR and XLS processors. | |
765 | Say Y here if you have a XLR or XLS based board. | |
766 | ||
767 | config NLM_XLP_BOARD | |
768 | bool "Netlogic XLP based systems" | |
769 | select BOOT_ELF32 | |
770 | select NLM_COMMON | |
771 | select SYS_HAS_CPU_XLP | |
772 | select SYS_SUPPORTS_SMP | |
773 | select HW_HAS_PCI | |
774 | select SYS_SUPPORTS_32BIT_KERNEL | |
775 | select SYS_SUPPORTS_64BIT_KERNEL | |
776 | select 64BIT_PHYS_ADDR | |
777 | select SYS_SUPPORTS_BIG_ENDIAN | |
778 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
779 | select SYS_SUPPORTS_HIGHMEM | |
780 | select DMA_COHERENT | |
781 | select NR_CPUS_DEFAULT_32 | |
782 | select CEVT_R4K | |
783 | select CSRC_R4K | |
784 | select IRQ_CPU | |
785 | select ARCH_SUPPORTS_MSI | |
786 | select ZONE_DMA32 if 64BIT | |
787 | select SYNC_R4K | |
788 | select SYS_HAS_EARLY_PRINTK | |
789 | select USE_OF | |
790 | select SYS_SUPPORTS_ZBOOT | |
791 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
792 | help | |
793 | This board is based on Netlogic XLP Processor. | |
794 | Say Y here if you have a XLP based board. | |
795 | ||
796 | endchoice | |
797 | ||
798 | source "arch/mips/alchemy/Kconfig" | |
799 | source "arch/mips/ath79/Kconfig" | |
800 | source "arch/mips/bcm47xx/Kconfig" | |
801 | source "arch/mips/bcm63xx/Kconfig" | |
802 | source "arch/mips/jazz/Kconfig" | |
803 | source "arch/mips/jz4740/Kconfig" | |
804 | source "arch/mips/lantiq/Kconfig" | |
805 | source "arch/mips/lasat/Kconfig" | |
806 | source "arch/mips/pmcs-msp71xx/Kconfig" | |
807 | source "arch/mips/ralink/Kconfig" | |
808 | source "arch/mips/sgi-ip27/Kconfig" | |
809 | source "arch/mips/sibyte/Kconfig" | |
810 | source "arch/mips/txx9/Kconfig" | |
811 | source "arch/mips/vr41xx/Kconfig" | |
812 | source "arch/mips/cavium-octeon/Kconfig" | |
813 | source "arch/mips/loongson/Kconfig" | |
814 | source "arch/mips/loongson1/Kconfig" | |
815 | source "arch/mips/netlogic/Kconfig" | |
816 | ||
817 | endmenu | |
818 | ||
819 | config RWSEM_GENERIC_SPINLOCK | |
820 | bool | |
821 | default y | |
822 | ||
823 | config RWSEM_XCHGADD_ALGORITHM | |
824 | bool | |
825 | ||
826 | config ARCH_HAS_ILOG2_U32 | |
827 | bool | |
828 | default n | |
829 | ||
830 | config ARCH_HAS_ILOG2_U64 | |
831 | bool | |
832 | default n | |
833 | ||
834 | config GENERIC_HWEIGHT | |
835 | bool | |
836 | default y | |
837 | ||
838 | config GENERIC_CALIBRATE_DELAY | |
839 | bool | |
840 | default y | |
841 | ||
842 | config SCHED_OMIT_FRAME_POINTER | |
843 | bool | |
844 | default y | |
845 | ||
846 | # | |
847 | # Select some configuration options automatically based on user selections. | |
848 | # | |
849 | config FW_ARC | |
850 | bool | |
851 | ||
852 | config ARCH_MAY_HAVE_PC_FDC | |
853 | bool | |
854 | ||
855 | config BOOT_RAW | |
856 | bool | |
857 | ||
858 | config CEVT_BCM1480 | |
859 | bool | |
860 | ||
861 | config CEVT_DS1287 | |
862 | bool | |
863 | ||
864 | config CEVT_GT641XX | |
865 | bool | |
866 | ||
867 | config CEVT_R4K | |
868 | bool | |
869 | ||
870 | config CEVT_GIC | |
871 | bool | |
872 | ||
873 | config CEVT_SB1250 | |
874 | bool | |
875 | ||
876 | config CEVT_TXX9 | |
877 | bool | |
878 | ||
879 | config CSRC_BCM1480 | |
880 | bool | |
881 | ||
882 | config CSRC_IOASIC | |
883 | bool | |
884 | ||
885 | config CSRC_R4K | |
886 | bool | |
887 | ||
888 | config CSRC_GIC | |
889 | bool | |
890 | ||
891 | config CSRC_SB1250 | |
892 | bool | |
893 | ||
894 | config GPIO_TXX9 | |
895 | select ARCH_REQUIRE_GPIOLIB | |
896 | bool | |
897 | ||
898 | config FW_CFE | |
899 | bool | |
900 | ||
901 | config ARCH_DMA_ADDR_T_64BIT | |
902 | def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT | |
903 | ||
904 | config DMA_MAYBE_COHERENT | |
905 | select DMA_NONCOHERENT | |
906 | bool | |
907 | ||
908 | config DMA_COHERENT | |
909 | bool | |
910 | ||
911 | config DMA_NONCOHERENT | |
912 | bool | |
913 | select NEED_DMA_MAP_STATE | |
914 | ||
915 | config NEED_DMA_MAP_STATE | |
916 | bool | |
917 | ||
918 | config SYS_HAS_EARLY_PRINTK | |
919 | bool | |
920 | ||
921 | config HOTPLUG_CPU | |
922 | bool "Support for hot-pluggable CPUs" | |
923 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU | |
924 | help | |
925 | Say Y here to allow turning CPUs off and on. CPUs can be | |
926 | controlled through /sys/devices/system/cpu. | |
927 | (Note: power management support will enable this option | |
928 | automatically on SMP systems. ) | |
929 | Say N if you want to disable CPU hotplug. | |
930 | ||
931 | config SYS_SUPPORTS_HOTPLUG_CPU | |
932 | bool | |
933 | ||
934 | config I8259 | |
935 | bool | |
936 | ||
937 | config MIPS_BONITO64 | |
938 | bool | |
939 | ||
940 | config MIPS_MSC | |
941 | bool | |
942 | ||
943 | config MIPS_NILE4 | |
944 | bool | |
945 | ||
946 | config SYNC_R4K | |
947 | bool | |
948 | ||
949 | config MIPS_MACHINE | |
950 | def_bool n | |
951 | ||
952 | config NO_IOPORT | |
953 | def_bool n | |
954 | ||
955 | config GENERIC_ISA_DMA | |
956 | bool | |
957 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
958 | select ISA_DMA_API | |
959 | ||
960 | config GENERIC_ISA_DMA_SUPPORT_BROKEN | |
961 | bool | |
962 | select GENERIC_ISA_DMA | |
963 | ||
964 | config ISA_DMA_API | |
965 | bool | |
966 | ||
967 | config HOLES_IN_ZONE | |
968 | bool | |
969 | ||
970 | # | |
971 | # Endianness selection. Sufficiently obscure so many users don't know what to | |
972 | # answer,so we try hard to limit the available choices. Also the use of a | |
973 | # choice statement should be more obvious to the user. | |
974 | # | |
975 | choice | |
976 | prompt "Endianness selection" | |
977 | help | |
978 | Some MIPS machines can be configured for either little or big endian | |
979 | byte order. These modes require different kernels and a different | |
980 | Linux distribution. In general there is one preferred byteorder for a | |
981 | particular system but some systems are just as commonly used in the | |
982 | one or the other endianness. | |
983 | ||
984 | config CPU_BIG_ENDIAN | |
985 | bool "Big endian" | |
986 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
987 | ||
988 | config CPU_LITTLE_ENDIAN | |
989 | bool "Little endian" | |
990 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
991 | ||
992 | endchoice | |
993 | ||
994 | config EXPORT_UASM | |
995 | bool | |
996 | ||
997 | config SYS_SUPPORTS_APM_EMULATION | |
998 | bool | |
999 | ||
1000 | config SYS_SUPPORTS_BIG_ENDIAN | |
1001 | bool | |
1002 | ||
1003 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
1004 | bool | |
1005 | ||
1006 | config SYS_SUPPORTS_HUGETLBFS | |
1007 | bool | |
1008 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1009 | default y | |
1010 | ||
1011 | config MIPS_HUGE_TLB_SUPPORT | |
1012 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1013 | ||
1014 | config IRQ_CPU | |
1015 | bool | |
1016 | ||
1017 | config IRQ_CPU_RM7K | |
1018 | bool | |
1019 | ||
1020 | config IRQ_MSP_SLP | |
1021 | bool | |
1022 | ||
1023 | config IRQ_MSP_CIC | |
1024 | bool | |
1025 | ||
1026 | config IRQ_TXX9 | |
1027 | bool | |
1028 | ||
1029 | config IRQ_GT641XX | |
1030 | bool | |
1031 | ||
1032 | config IRQ_GIC | |
1033 | bool | |
1034 | ||
1035 | config PCI_GT64XXX_PCI0 | |
1036 | bool | |
1037 | ||
1038 | config NO_EXCEPT_FILL | |
1039 | bool | |
1040 | ||
1041 | config SOC_EMMA2RH | |
1042 | bool | |
1043 | select CEVT_R4K | |
1044 | select CSRC_R4K | |
1045 | select DMA_NONCOHERENT | |
1046 | select IRQ_CPU | |
1047 | select SWAP_IO_SPACE | |
1048 | select SYS_HAS_CPU_R5500 | |
1049 | select SYS_SUPPORTS_32BIT_KERNEL | |
1050 | select SYS_SUPPORTS_64BIT_KERNEL | |
1051 | select SYS_SUPPORTS_BIG_ENDIAN | |
1052 | ||
1053 | config SOC_PNX833X | |
1054 | bool | |
1055 | select CEVT_R4K | |
1056 | select CSRC_R4K | |
1057 | select IRQ_CPU | |
1058 | select DMA_NONCOHERENT | |
1059 | select SYS_HAS_CPU_MIPS32_R2 | |
1060 | select SYS_SUPPORTS_32BIT_KERNEL | |
1061 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1062 | select SYS_SUPPORTS_BIG_ENDIAN | |
1063 | select CPU_MIPSR2_IRQ_VI | |
1064 | ||
1065 | config SOC_PNX8335 | |
1066 | bool | |
1067 | select SOC_PNX833X | |
1068 | ||
1069 | config SWAP_IO_SPACE | |
1070 | bool | |
1071 | ||
1072 | config SGI_HAS_INDYDOG | |
1073 | bool | |
1074 | ||
1075 | config SGI_HAS_HAL2 | |
1076 | bool | |
1077 | ||
1078 | config SGI_HAS_SEEQ | |
1079 | bool | |
1080 | ||
1081 | config SGI_HAS_WD93 | |
1082 | bool | |
1083 | ||
1084 | config SGI_HAS_ZILOG | |
1085 | bool | |
1086 | ||
1087 | config SGI_HAS_I8042 | |
1088 | bool | |
1089 | ||
1090 | config DEFAULT_SGI_PARTITION | |
1091 | bool | |
1092 | ||
1093 | config FW_ARC32 | |
1094 | bool | |
1095 | ||
1096 | config FW_SNIPROM | |
1097 | bool | |
1098 | ||
1099 | config BOOT_ELF32 | |
1100 | bool | |
1101 | ||
1102 | config MIPS_L1_CACHE_SHIFT_4 | |
1103 | bool | |
1104 | ||
1105 | config MIPS_L1_CACHE_SHIFT_5 | |
1106 | bool | |
1107 | ||
1108 | config MIPS_L1_CACHE_SHIFT_6 | |
1109 | bool | |
1110 | ||
1111 | config MIPS_L1_CACHE_SHIFT_7 | |
1112 | bool | |
1113 | ||
1114 | config MIPS_L1_CACHE_SHIFT | |
1115 | int | |
1116 | default "4" if MIPS_L1_CACHE_SHIFT_4 | |
1117 | default "5" if MIPS_L1_CACHE_SHIFT_5 | |
1118 | default "6" if MIPS_L1_CACHE_SHIFT_6 | |
1119 | default "7" if MIPS_L1_CACHE_SHIFT_7 | |
1120 | default "5" | |
1121 | ||
1122 | config HAVE_STD_PC_SERIAL_PORT | |
1123 | bool | |
1124 | ||
1125 | config ARC_CONSOLE | |
1126 | bool "ARC console support" | |
1127 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) | |
1128 | ||
1129 | config ARC_MEMORY | |
1130 | bool | |
1131 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 | |
1132 | default y | |
1133 | ||
1134 | config ARC_PROMLIB | |
1135 | bool | |
1136 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 | |
1137 | default y | |
1138 | ||
1139 | config FW_ARC64 | |
1140 | bool | |
1141 | ||
1142 | config BOOT_ELF64 | |
1143 | bool | |
1144 | ||
1145 | menu "CPU selection" | |
1146 | ||
1147 | choice | |
1148 | prompt "CPU type" | |
1149 | default CPU_R4X00 | |
1150 | ||
1151 | config CPU_LOONGSON2E | |
1152 | bool "Loongson 2E" | |
1153 | depends on SYS_HAS_CPU_LOONGSON2E | |
1154 | select CPU_LOONGSON2 | |
1155 | help | |
1156 | The Loongson 2E processor implements the MIPS III instruction set | |
1157 | with many extensions. | |
1158 | ||
1159 | It has an internal FPGA northbridge, which is compatible to | |
1160 | bonito64. | |
1161 | ||
1162 | config CPU_LOONGSON2F | |
1163 | bool "Loongson 2F" | |
1164 | depends on SYS_HAS_CPU_LOONGSON2F | |
1165 | select CPU_LOONGSON2 | |
1166 | select ARCH_REQUIRE_GPIOLIB | |
1167 | help | |
1168 | The Loongson 2F processor implements the MIPS III instruction set | |
1169 | with many extensions. | |
1170 | ||
1171 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1172 | have a similar programming interface with FPGA northbridge used in | |
1173 | Loongson2E. | |
1174 | ||
1175 | config CPU_LOONGSON1B | |
1176 | bool "Loongson 1B" | |
1177 | depends on SYS_HAS_CPU_LOONGSON1B | |
1178 | select CPU_LOONGSON1 | |
1179 | help | |
1180 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1181 | release 2 instruction set. | |
1182 | ||
1183 | config CPU_MIPS32_R1 | |
1184 | bool "MIPS32 Release 1" | |
1185 | depends on SYS_HAS_CPU_MIPS32_R1 | |
1186 | select CPU_HAS_PREFETCH | |
1187 | select CPU_SUPPORTS_32BIT_KERNEL | |
1188 | select CPU_SUPPORTS_HIGHMEM | |
1189 | help | |
1190 | Choose this option to build a kernel for release 1 or later of the | |
1191 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
1192 | MIPS processor are based on a MIPS32 processor. If you know the | |
1193 | specific type of processor in your system, choose those that one | |
1194 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1195 | Release 2 of the MIPS32 architecture is available since several | |
1196 | years so chances are you even have a MIPS32 Release 2 processor | |
1197 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1198 | performance. | |
1199 | ||
1200 | config CPU_MIPS32_R2 | |
1201 | bool "MIPS32 Release 2" | |
1202 | depends on SYS_HAS_CPU_MIPS32_R2 | |
1203 | select CPU_HAS_PREFETCH | |
1204 | select CPU_SUPPORTS_32BIT_KERNEL | |
1205 | select CPU_SUPPORTS_HIGHMEM | |
1206 | select HAVE_KVM | |
1207 | help | |
1208 | Choose this option to build a kernel for release 2 or later of the | |
1209 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
1210 | MIPS processor are based on a MIPS32 processor. If you know the | |
1211 | specific type of processor in your system, choose those that one | |
1212 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1213 | ||
1214 | config CPU_MIPS64_R1 | |
1215 | bool "MIPS64 Release 1" | |
1216 | depends on SYS_HAS_CPU_MIPS64_R1 | |
1217 | select CPU_HAS_PREFETCH | |
1218 | select CPU_SUPPORTS_32BIT_KERNEL | |
1219 | select CPU_SUPPORTS_64BIT_KERNEL | |
1220 | select CPU_SUPPORTS_HIGHMEM | |
1221 | select CPU_SUPPORTS_HUGEPAGES | |
1222 | help | |
1223 | Choose this option to build a kernel for release 1 or later of the | |
1224 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1225 | MIPS processor are based on a MIPS64 processor. If you know the | |
1226 | specific type of processor in your system, choose those that one | |
1227 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1228 | Release 2 of the MIPS64 architecture is available since several | |
1229 | years so chances are you even have a MIPS64 Release 2 processor | |
1230 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1231 | performance. | |
1232 | ||
1233 | config CPU_MIPS64_R2 | |
1234 | bool "MIPS64 Release 2" | |
1235 | depends on SYS_HAS_CPU_MIPS64_R2 | |
1236 | select CPU_HAS_PREFETCH | |
1237 | select CPU_SUPPORTS_32BIT_KERNEL | |
1238 | select CPU_SUPPORTS_64BIT_KERNEL | |
1239 | select CPU_SUPPORTS_HIGHMEM | |
1240 | select CPU_SUPPORTS_HUGEPAGES | |
1241 | help | |
1242 | Choose this option to build a kernel for release 2 or later of the | |
1243 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1244 | MIPS processor are based on a MIPS64 processor. If you know the | |
1245 | specific type of processor in your system, choose those that one | |
1246 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1247 | ||
1248 | config CPU_R3000 | |
1249 | bool "R3000" | |
1250 | depends on SYS_HAS_CPU_R3000 | |
1251 | select CPU_HAS_WB | |
1252 | select CPU_SUPPORTS_32BIT_KERNEL | |
1253 | select CPU_SUPPORTS_HIGHMEM | |
1254 | help | |
1255 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1256 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1257 | *not* work on R4000 machines and vice versa. However, since most | |
1258 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1259 | might be a safe bet. If the resulting kernel does not work, | |
1260 | try to recompile with R3000. | |
1261 | ||
1262 | config CPU_TX39XX | |
1263 | bool "R39XX" | |
1264 | depends on SYS_HAS_CPU_TX39XX | |
1265 | select CPU_SUPPORTS_32BIT_KERNEL | |
1266 | ||
1267 | config CPU_VR41XX | |
1268 | bool "R41xx" | |
1269 | depends on SYS_HAS_CPU_VR41XX | |
1270 | select CPU_SUPPORTS_32BIT_KERNEL | |
1271 | select CPU_SUPPORTS_64BIT_KERNEL | |
1272 | help | |
1273 | The options selects support for the NEC VR4100 series of processors. | |
1274 | Only choose this option if you have one of these processors as a | |
1275 | kernel built with this option will not run on any other type of | |
1276 | processor or vice versa. | |
1277 | ||
1278 | config CPU_R4300 | |
1279 | bool "R4300" | |
1280 | depends on SYS_HAS_CPU_R4300 | |
1281 | select CPU_SUPPORTS_32BIT_KERNEL | |
1282 | select CPU_SUPPORTS_64BIT_KERNEL | |
1283 | help | |
1284 | MIPS Technologies R4300-series processors. | |
1285 | ||
1286 | config CPU_R4X00 | |
1287 | bool "R4x00" | |
1288 | depends on SYS_HAS_CPU_R4X00 | |
1289 | select CPU_SUPPORTS_32BIT_KERNEL | |
1290 | select CPU_SUPPORTS_64BIT_KERNEL | |
1291 | select CPU_SUPPORTS_HUGEPAGES | |
1292 | help | |
1293 | MIPS Technologies R4000-series processors other than 4300, including | |
1294 | the R4000, R4400, R4600, and 4700. | |
1295 | ||
1296 | config CPU_TX49XX | |
1297 | bool "R49XX" | |
1298 | depends on SYS_HAS_CPU_TX49XX | |
1299 | select CPU_HAS_PREFETCH | |
1300 | select CPU_SUPPORTS_32BIT_KERNEL | |
1301 | select CPU_SUPPORTS_64BIT_KERNEL | |
1302 | select CPU_SUPPORTS_HUGEPAGES | |
1303 | ||
1304 | config CPU_R5000 | |
1305 | bool "R5000" | |
1306 | depends on SYS_HAS_CPU_R5000 | |
1307 | select CPU_SUPPORTS_32BIT_KERNEL | |
1308 | select CPU_SUPPORTS_64BIT_KERNEL | |
1309 | select CPU_SUPPORTS_HUGEPAGES | |
1310 | help | |
1311 | MIPS Technologies R5000-series processors other than the Nevada. | |
1312 | ||
1313 | config CPU_R5432 | |
1314 | bool "R5432" | |
1315 | depends on SYS_HAS_CPU_R5432 | |
1316 | select CPU_SUPPORTS_32BIT_KERNEL | |
1317 | select CPU_SUPPORTS_64BIT_KERNEL | |
1318 | select CPU_SUPPORTS_HUGEPAGES | |
1319 | ||
1320 | config CPU_R5500 | |
1321 | bool "R5500" | |
1322 | depends on SYS_HAS_CPU_R5500 | |
1323 | select CPU_SUPPORTS_32BIT_KERNEL | |
1324 | select CPU_SUPPORTS_64BIT_KERNEL | |
1325 | select CPU_SUPPORTS_HUGEPAGES | |
1326 | help | |
1327 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1328 | instruction set. | |
1329 | ||
1330 | config CPU_R6000 | |
1331 | bool "R6000" | |
1332 | depends on SYS_HAS_CPU_R6000 | |
1333 | select CPU_SUPPORTS_32BIT_KERNEL | |
1334 | help | |
1335 | MIPS Technologies R6000 and R6000A series processors. Note these | |
1336 | processors are extremely rare and the support for them is incomplete. | |
1337 | ||
1338 | config CPU_NEVADA | |
1339 | bool "RM52xx" | |
1340 | depends on SYS_HAS_CPU_NEVADA | |
1341 | select CPU_SUPPORTS_32BIT_KERNEL | |
1342 | select CPU_SUPPORTS_64BIT_KERNEL | |
1343 | select CPU_SUPPORTS_HUGEPAGES | |
1344 | help | |
1345 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1346 | ||
1347 | config CPU_R8000 | |
1348 | bool "R8000" | |
1349 | depends on SYS_HAS_CPU_R8000 | |
1350 | select CPU_HAS_PREFETCH | |
1351 | select CPU_SUPPORTS_64BIT_KERNEL | |
1352 | help | |
1353 | MIPS Technologies R8000 processors. Note these processors are | |
1354 | uncommon and the support for them is incomplete. | |
1355 | ||
1356 | config CPU_R10000 | |
1357 | bool "R10000" | |
1358 | depends on SYS_HAS_CPU_R10000 | |
1359 | select CPU_HAS_PREFETCH | |
1360 | select CPU_SUPPORTS_32BIT_KERNEL | |
1361 | select CPU_SUPPORTS_64BIT_KERNEL | |
1362 | select CPU_SUPPORTS_HIGHMEM | |
1363 | select CPU_SUPPORTS_HUGEPAGES | |
1364 | help | |
1365 | MIPS Technologies R10000-series processors. | |
1366 | ||
1367 | config CPU_RM7000 | |
1368 | bool "RM7000" | |
1369 | depends on SYS_HAS_CPU_RM7000 | |
1370 | select CPU_HAS_PREFETCH | |
1371 | select CPU_SUPPORTS_32BIT_KERNEL | |
1372 | select CPU_SUPPORTS_64BIT_KERNEL | |
1373 | select CPU_SUPPORTS_HIGHMEM | |
1374 | select CPU_SUPPORTS_HUGEPAGES | |
1375 | ||
1376 | config CPU_SB1 | |
1377 | bool "SB1" | |
1378 | depends on SYS_HAS_CPU_SB1 | |
1379 | select CPU_SUPPORTS_32BIT_KERNEL | |
1380 | select CPU_SUPPORTS_64BIT_KERNEL | |
1381 | select CPU_SUPPORTS_HIGHMEM | |
1382 | select CPU_SUPPORTS_HUGEPAGES | |
1383 | select WEAK_ORDERING | |
1384 | ||
1385 | config CPU_CAVIUM_OCTEON | |
1386 | bool "Cavium Octeon processor" | |
1387 | depends on SYS_HAS_CPU_CAVIUM_OCTEON | |
1388 | select ARCH_SPARSEMEM_ENABLE | |
1389 | select CPU_HAS_PREFETCH | |
1390 | select CPU_SUPPORTS_64BIT_KERNEL | |
1391 | select SYS_SUPPORTS_SMP | |
1392 | select NR_CPUS_DEFAULT_16 | |
1393 | select WEAK_ORDERING | |
1394 | select CPU_SUPPORTS_HIGHMEM | |
1395 | select CPU_SUPPORTS_HUGEPAGES | |
1396 | select LIBFDT | |
1397 | select USE_OF | |
1398 | select USB_EHCI_BIG_ENDIAN_MMIO | |
1399 | select SYS_HAS_DMA_OPS | |
1400 | select MIPS_L1_CACHE_SHIFT_7 | |
1401 | help | |
1402 | The Cavium Octeon processor is a highly integrated chip containing | |
1403 | many ethernet hardware widgets for networking tasks. The processor | |
1404 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1405 | Full details can be found at http://www.caviumnetworks.com. | |
1406 | ||
1407 | config CPU_BMIPS | |
1408 | bool "Broadcom BMIPS" | |
1409 | depends on SYS_HAS_CPU_BMIPS | |
1410 | select CPU_MIPS32 | |
1411 | select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 | |
1412 | select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 | |
1413 | select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 | |
1414 | select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 | |
1415 | select CPU_SUPPORTS_32BIT_KERNEL | |
1416 | select DMA_NONCOHERENT | |
1417 | select IRQ_CPU | |
1418 | select SWAP_IO_SPACE | |
1419 | select WEAK_ORDERING | |
1420 | select CPU_SUPPORTS_HIGHMEM | |
1421 | select CPU_HAS_PREFETCH | |
1422 | help | |
1423 | Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. | |
1424 | ||
1425 | config CPU_XLR | |
1426 | bool "Netlogic XLR SoC" | |
1427 | depends on SYS_HAS_CPU_XLR | |
1428 | select CPU_SUPPORTS_32BIT_KERNEL | |
1429 | select CPU_SUPPORTS_64BIT_KERNEL | |
1430 | select CPU_SUPPORTS_HIGHMEM | |
1431 | select CPU_SUPPORTS_HUGEPAGES | |
1432 | select WEAK_ORDERING | |
1433 | select WEAK_REORDERING_BEYOND_LLSC | |
1434 | help | |
1435 | Netlogic Microsystems XLR/XLS processors. | |
1436 | ||
1437 | config CPU_XLP | |
1438 | bool "Netlogic XLP SoC" | |
1439 | depends on SYS_HAS_CPU_XLP | |
1440 | select CPU_SUPPORTS_32BIT_KERNEL | |
1441 | select CPU_SUPPORTS_64BIT_KERNEL | |
1442 | select CPU_SUPPORTS_HIGHMEM | |
1443 | select WEAK_ORDERING | |
1444 | select WEAK_REORDERING_BEYOND_LLSC | |
1445 | select CPU_HAS_PREFETCH | |
1446 | select CPU_MIPSR2 | |
1447 | help | |
1448 | Netlogic Microsystems XLP processors. | |
1449 | endchoice | |
1450 | ||
1451 | if CPU_LOONGSON2F | |
1452 | config CPU_NOP_WORKAROUNDS | |
1453 | bool | |
1454 | ||
1455 | config CPU_JUMP_WORKAROUNDS | |
1456 | bool | |
1457 | ||
1458 | config CPU_LOONGSON2F_WORKAROUNDS | |
1459 | bool "Loongson 2F Workarounds" | |
1460 | default y | |
1461 | select CPU_NOP_WORKAROUNDS | |
1462 | select CPU_JUMP_WORKAROUNDS | |
1463 | help | |
1464 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1465 | require workarounds. Without workarounds the system may hang | |
1466 | unexpectedly. For more information please refer to the gas | |
1467 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1468 | ||
1469 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1470 | are needed. The workarounds have no significant side effect on them | |
1471 | but may decrease the performance of the system so this option should | |
1472 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1473 | systems. | |
1474 | ||
1475 | If unsure, please say Y. | |
1476 | endif # CPU_LOONGSON2F | |
1477 | ||
1478 | config SYS_SUPPORTS_ZBOOT | |
1479 | bool | |
1480 | select HAVE_KERNEL_GZIP | |
1481 | select HAVE_KERNEL_BZIP2 | |
1482 | select HAVE_KERNEL_LZ4 | |
1483 | select HAVE_KERNEL_LZMA | |
1484 | select HAVE_KERNEL_LZO | |
1485 | select HAVE_KERNEL_XZ | |
1486 | ||
1487 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1488 | bool | |
1489 | select SYS_SUPPORTS_ZBOOT | |
1490 | ||
1491 | config CPU_LOONGSON2 | |
1492 | bool | |
1493 | select CPU_SUPPORTS_32BIT_KERNEL | |
1494 | select CPU_SUPPORTS_64BIT_KERNEL | |
1495 | select CPU_SUPPORTS_HIGHMEM | |
1496 | select CPU_SUPPORTS_HUGEPAGES | |
1497 | ||
1498 | config CPU_LOONGSON1 | |
1499 | bool | |
1500 | select CPU_MIPS32 | |
1501 | select CPU_MIPSR2 | |
1502 | select CPU_HAS_PREFETCH | |
1503 | select CPU_SUPPORTS_32BIT_KERNEL | |
1504 | select CPU_SUPPORTS_HIGHMEM | |
1505 | ||
1506 | config CPU_BMIPS32_3300 | |
1507 | select SMP_UP if SMP | |
1508 | bool | |
1509 | ||
1510 | config CPU_BMIPS4350 | |
1511 | bool | |
1512 | select SYS_SUPPORTS_SMP | |
1513 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1514 | ||
1515 | config CPU_BMIPS4380 | |
1516 | bool | |
1517 | select SYS_SUPPORTS_SMP | |
1518 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1519 | ||
1520 | config CPU_BMIPS5000 | |
1521 | bool | |
1522 | select MIPS_CPU_SCACHE | |
1523 | select SYS_SUPPORTS_SMP | |
1524 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1525 | ||
1526 | config SYS_HAS_CPU_LOONGSON2E | |
1527 | bool | |
1528 | ||
1529 | config SYS_HAS_CPU_LOONGSON2F | |
1530 | bool | |
1531 | select CPU_SUPPORTS_CPUFREQ | |
1532 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
1533 | select CPU_SUPPORTS_UNCACHED_ACCELERATED | |
1534 | ||
1535 | config SYS_HAS_CPU_LOONGSON1B | |
1536 | bool | |
1537 | ||
1538 | config SYS_HAS_CPU_MIPS32_R1 | |
1539 | bool | |
1540 | ||
1541 | config SYS_HAS_CPU_MIPS32_R2 | |
1542 | bool | |
1543 | ||
1544 | config SYS_HAS_CPU_MIPS64_R1 | |
1545 | bool | |
1546 | ||
1547 | config SYS_HAS_CPU_MIPS64_R2 | |
1548 | bool | |
1549 | ||
1550 | config SYS_HAS_CPU_R3000 | |
1551 | bool | |
1552 | ||
1553 | config SYS_HAS_CPU_TX39XX | |
1554 | bool | |
1555 | ||
1556 | config SYS_HAS_CPU_VR41XX | |
1557 | bool | |
1558 | ||
1559 | config SYS_HAS_CPU_R4300 | |
1560 | bool | |
1561 | ||
1562 | config SYS_HAS_CPU_R4X00 | |
1563 | bool | |
1564 | ||
1565 | config SYS_HAS_CPU_TX49XX | |
1566 | bool | |
1567 | ||
1568 | config SYS_HAS_CPU_R5000 | |
1569 | bool | |
1570 | ||
1571 | config SYS_HAS_CPU_R5432 | |
1572 | bool | |
1573 | ||
1574 | config SYS_HAS_CPU_R5500 | |
1575 | bool | |
1576 | ||
1577 | config SYS_HAS_CPU_R6000 | |
1578 | bool | |
1579 | ||
1580 | config SYS_HAS_CPU_NEVADA | |
1581 | bool | |
1582 | ||
1583 | config SYS_HAS_CPU_R8000 | |
1584 | bool | |
1585 | ||
1586 | config SYS_HAS_CPU_R10000 | |
1587 | bool | |
1588 | ||
1589 | config SYS_HAS_CPU_RM7000 | |
1590 | bool | |
1591 | ||
1592 | config SYS_HAS_CPU_SB1 | |
1593 | bool | |
1594 | ||
1595 | config SYS_HAS_CPU_CAVIUM_OCTEON | |
1596 | bool | |
1597 | ||
1598 | config SYS_HAS_CPU_BMIPS | |
1599 | bool | |
1600 | ||
1601 | config SYS_HAS_CPU_BMIPS32_3300 | |
1602 | bool | |
1603 | select SYS_HAS_CPU_BMIPS | |
1604 | ||
1605 | config SYS_HAS_CPU_BMIPS4350 | |
1606 | bool | |
1607 | select SYS_HAS_CPU_BMIPS | |
1608 | ||
1609 | config SYS_HAS_CPU_BMIPS4380 | |
1610 | bool | |
1611 | select SYS_HAS_CPU_BMIPS | |
1612 | ||
1613 | config SYS_HAS_CPU_BMIPS5000 | |
1614 | bool | |
1615 | select SYS_HAS_CPU_BMIPS | |
1616 | ||
1617 | config SYS_HAS_CPU_XLR | |
1618 | bool | |
1619 | ||
1620 | config SYS_HAS_CPU_XLP | |
1621 | bool | |
1622 | ||
1623 | # | |
1624 | # CPU may reorder R->R, R->W, W->R, W->W | |
1625 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1626 | # | |
1627 | config WEAK_ORDERING | |
1628 | bool | |
1629 | ||
1630 | # | |
1631 | # CPU may reorder reads and writes beyond LL/SC | |
1632 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1633 | # | |
1634 | config WEAK_REORDERING_BEYOND_LLSC | |
1635 | bool | |
1636 | endmenu | |
1637 | ||
1638 | # | |
1639 | # These two indicate any level of the MIPS32 and MIPS64 architecture | |
1640 | # | |
1641 | config CPU_MIPS32 | |
1642 | bool | |
1643 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1644 | ||
1645 | config CPU_MIPS64 | |
1646 | bool | |
1647 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1648 | ||
1649 | # | |
1650 | # These two indicate the revision of the architecture, either Release 1 or Release 2 | |
1651 | # | |
1652 | config CPU_MIPSR1 | |
1653 | bool | |
1654 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1655 | ||
1656 | config CPU_MIPSR2 | |
1657 | bool | |
1658 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON | |
1659 | ||
1660 | config SYS_SUPPORTS_32BIT_KERNEL | |
1661 | bool | |
1662 | config SYS_SUPPORTS_64BIT_KERNEL | |
1663 | bool | |
1664 | config CPU_SUPPORTS_32BIT_KERNEL | |
1665 | bool | |
1666 | config CPU_SUPPORTS_64BIT_KERNEL | |
1667 | bool | |
1668 | config CPU_SUPPORTS_CPUFREQ | |
1669 | bool | |
1670 | config CPU_SUPPORTS_ADDRWINCFG | |
1671 | bool | |
1672 | config CPU_SUPPORTS_HUGEPAGES | |
1673 | bool | |
1674 | config CPU_SUPPORTS_UNCACHED_ACCELERATED | |
1675 | bool | |
1676 | config MIPS_PGD_C0_CONTEXT | |
1677 | bool | |
1678 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP | |
1679 | ||
1680 | # | |
1681 | # Set to y for ptrace access to watch registers. | |
1682 | # | |
1683 | config HARDWARE_WATCHPOINTS | |
1684 | bool | |
1685 | default y if CPU_MIPSR1 || CPU_MIPSR2 | |
1686 | ||
1687 | menu "Kernel type" | |
1688 | ||
1689 | choice | |
1690 | prompt "Kernel code model" | |
1691 | help | |
1692 | You should only select this option if you have a workload that | |
1693 | actually benefits from 64-bit processing or if your machine has | |
1694 | large memory. You will only be presented a single option in this | |
1695 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1696 | ||
1697 | config 32BIT | |
1698 | bool "32-bit kernel" | |
1699 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1700 | select TRAD_SIGNALS | |
1701 | help | |
1702 | Select this option if you want to build a 32-bit kernel. | |
1703 | config 64BIT | |
1704 | bool "64-bit kernel" | |
1705 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1706 | help | |
1707 | Select this option if you want to build a 64-bit kernel. | |
1708 | ||
1709 | endchoice | |
1710 | ||
1711 | config KVM_GUEST | |
1712 | bool "KVM Guest Kernel" | |
1713 | depends on BROKEN_ON_SMP | |
1714 | help | |
1715 | Select this option if building a guest kernel for KVM (Trap & Emulate) mode | |
1716 | ||
1717 | config KVM_HOST_FREQ | |
1718 | int "KVM Host Processor Frequency (MHz)" | |
1719 | depends on KVM_GUEST | |
1720 | default 500 | |
1721 | help | |
1722 | Select this option if building a guest kernel for KVM to skip | |
1723 | RTC emulation when determining guest CPU Frequency. Instead, the guest | |
1724 | processor frequency is automatically derived from the host frequency. | |
1725 | ||
1726 | choice | |
1727 | prompt "Kernel page size" | |
1728 | default PAGE_SIZE_4KB | |
1729 | ||
1730 | config PAGE_SIZE_4KB | |
1731 | bool "4kB" | |
1732 | depends on !CPU_LOONGSON2 | |
1733 | help | |
1734 | This option select the standard 4kB Linux page size. On some | |
1735 | R3000-family processors this is the only available page size. Using | |
1736 | 4kB page size will minimize memory consumption and is therefore | |
1737 | recommended for low memory systems. | |
1738 | ||
1739 | config PAGE_SIZE_8KB | |
1740 | bool "8kB" | |
1741 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON | |
1742 | help | |
1743 | Using 8kB page size will result in higher performance kernel at | |
1744 | the price of higher memory consumption. This option is available | |
1745 | only on R8000 and cnMIPS processors. Note that you will need a | |
1746 | suitable Linux distribution to support this. | |
1747 | ||
1748 | config PAGE_SIZE_16KB | |
1749 | bool "16kB" | |
1750 | depends on !CPU_R3000 && !CPU_TX39XX | |
1751 | help | |
1752 | Using 16kB page size will result in higher performance kernel at | |
1753 | the price of higher memory consumption. This option is available on | |
1754 | all non-R3000 family processors. Note that you will need a suitable | |
1755 | Linux distribution to support this. | |
1756 | ||
1757 | config PAGE_SIZE_32KB | |
1758 | bool "32kB" | |
1759 | depends on CPU_CAVIUM_OCTEON | |
1760 | help | |
1761 | Using 32kB page size will result in higher performance kernel at | |
1762 | the price of higher memory consumption. This option is available | |
1763 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1764 | distribution to support this. | |
1765 | ||
1766 | config PAGE_SIZE_64KB | |
1767 | bool "64kB" | |
1768 | depends on !CPU_R3000 && !CPU_TX39XX | |
1769 | help | |
1770 | Using 64kB page size will result in higher performance kernel at | |
1771 | the price of higher memory consumption. This option is available on | |
1772 | all non-R3000 family processor. Not that at the time of this | |
1773 | writing this option is still high experimental. | |
1774 | ||
1775 | endchoice | |
1776 | ||
1777 | config FORCE_MAX_ZONEORDER | |
1778 | int "Maximum zone order" | |
1779 | range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB | |
1780 | default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB | |
1781 | range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1782 | default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1783 | range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB | |
1784 | default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB | |
1785 | range 11 64 | |
1786 | default "11" | |
1787 | help | |
1788 | The kernel memory allocator divides physically contiguous memory | |
1789 | blocks into "zones", where each zone is a power of two number of | |
1790 | pages. This option selects the largest power of two that the kernel | |
1791 | keeps in the memory allocator. If you need to allocate very large | |
1792 | blocks of physically contiguous memory, then you may need to | |
1793 | increase this value. | |
1794 | ||
1795 | This config option is actually maximum order plus one. For example, | |
1796 | a value of 11 means that the largest free memory block is 2^10 pages. | |
1797 | ||
1798 | The page size is not necessarily 4KB. Keep this in mind | |
1799 | when choosing a value for this option. | |
1800 | ||
1801 | config CEVT_GIC | |
1802 | bool "Use GIC global counter for clock events" | |
1803 | depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC) | |
1804 | help | |
1805 | Use the GIC global counter for the clock events. The R4K clock | |
1806 | event driver is always present, so if the platform ends up not | |
1807 | detecting a GIC, it will fall back to the R4K timer for the | |
1808 | generation of clock events. | |
1809 | ||
1810 | config BOARD_SCACHE | |
1811 | bool | |
1812 | ||
1813 | config IP22_CPU_SCACHE | |
1814 | bool | |
1815 | select BOARD_SCACHE | |
1816 | ||
1817 | # | |
1818 | # Support for a MIPS32 / MIPS64 style S-caches | |
1819 | # | |
1820 | config MIPS_CPU_SCACHE | |
1821 | bool | |
1822 | select BOARD_SCACHE | |
1823 | select MIPS_L1_CACHE_SHIFT_6 | |
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 | config CPU_GENERIC_DUMP_TLB | |
1845 | bool | |
1846 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
1847 | ||
1848 | config CPU_R4K_FPU | |
1849 | bool | |
1850 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1851 | ||
1852 | config CPU_R4K_CACHE_TLB | |
1853 | bool | |
1854 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1855 | ||
1856 | choice | |
1857 | prompt "MIPS MT options" | |
1858 | ||
1859 | config MIPS_MT_DISABLED | |
1860 | bool "Disable multithreading support" | |
1861 | help | |
1862 | Use this option if your platform does not support the MT ASE | |
1863 | which is hardware multithreading support. On systems without | |
1864 | an MT-enabled processor, this will be the only option that is | |
1865 | available in this menu. | |
1866 | ||
1867 | config MIPS_MT_SMP | |
1868 | bool "Use 1 TC on each available VPE for SMP" | |
1869 | depends on SYS_SUPPORTS_MULTITHREADING | |
1870 | select CPU_MIPSR2_IRQ_VI | |
1871 | select CPU_MIPSR2_IRQ_EI | |
1872 | select SYNC_R4K | |
1873 | select MIPS_MT | |
1874 | select SMP | |
1875 | select SMP_UP | |
1876 | select SYS_SUPPORTS_SMP | |
1877 | select SYS_SUPPORTS_SCHED_SMT | |
1878 | select MIPS_PERF_SHARED_TC_COUNTERS | |
1879 | help | |
1880 | This is a kernel model which is known as SMVP. This is supported | |
1881 | on cores with the MT ASE and uses the available VPEs to implement | |
1882 | virtual processors which supports SMP. This is equivalent to the | |
1883 | Intel Hyperthreading feature. For further information go to | |
1884 | <http://www.imgtec.com/mips/mips-multithreading.asp>. | |
1885 | ||
1886 | config MIPS_MT_SMTC | |
1887 | bool "Use all TCs on all VPEs for SMP (DEPRECATED)" | |
1888 | depends on CPU_MIPS32_R2 | |
1889 | depends on SYS_SUPPORTS_MULTITHREADING | |
1890 | select CPU_MIPSR2_IRQ_VI | |
1891 | select CPU_MIPSR2_IRQ_EI | |
1892 | select MIPS_MT | |
1893 | select SMP | |
1894 | select SMP_UP | |
1895 | select SYS_SUPPORTS_SMP | |
1896 | select NR_CPUS_DEFAULT_8 | |
1897 | help | |
1898 | This is a kernel model which is known as SMTC. This is | |
1899 | supported on cores with the MT ASE and presents all TCs | |
1900 | available on all VPEs to support SMP. For further | |
1901 | information see <http://www.linux-mips.org/wiki/34K#SMTC>. | |
1902 | ||
1903 | endchoice | |
1904 | ||
1905 | config MIPS_MT | |
1906 | bool | |
1907 | ||
1908 | config SCHED_SMT | |
1909 | bool "SMT (multithreading) scheduler support" | |
1910 | depends on SYS_SUPPORTS_SCHED_SMT | |
1911 | default n | |
1912 | help | |
1913 | SMT scheduler support improves the CPU scheduler's decision making | |
1914 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1915 | increased overhead in some places. If unsure say N here. | |
1916 | ||
1917 | config SYS_SUPPORTS_SCHED_SMT | |
1918 | bool | |
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 && MODULES | |
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_VPE_LOADER_CMP | |
1939 | bool | |
1940 | default "y" | |
1941 | depends on MIPS_VPE_LOADER && MIPS_CMP | |
1942 | ||
1943 | config MIPS_VPE_LOADER_MT | |
1944 | bool | |
1945 | default "y" | |
1946 | depends on MIPS_VPE_LOADER && !MIPS_CMP | |
1947 | ||
1948 | config MIPS_MT_SMTC_IM_BACKSTOP | |
1949 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1950 | depends on MIPS_MT_SMTC | |
1951 | default n | |
1952 | help | |
1953 | To support multiple TC microthreads acting as "CPUs" within | |
1954 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1955 | during interrupt handling. To support legacy drivers and interrupt | |
1956 | controller management code, SMTC has a "backstop" to track and | |
1957 | if necessary restore the interrupt mask. This has some performance | |
1958 | impact on interrupt service overhead. | |
1959 | ||
1960 | config MIPS_MT_SMTC_IRQAFF | |
1961 | bool "Support IRQ affinity API" | |
1962 | depends on MIPS_MT_SMTC | |
1963 | default n | |
1964 | help | |
1965 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1966 | for SMTC Linux kernel. Requires platform support, of which | |
1967 | an example can be found in the MIPS kernel i8259 and Malta | |
1968 | platform code. Adds some overhead to interrupt dispatch, and | |
1969 | should be used only if you know what you are doing. | |
1970 | ||
1971 | config MIPS_VPE_LOADER_TOM | |
1972 | bool "Load VPE program into memory hidden from linux" | |
1973 | depends on MIPS_VPE_LOADER | |
1974 | default y | |
1975 | help | |
1976 | The loader can use memory that is present but has been hidden from | |
1977 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1978 | you to ensure the amount you put in the option and the space your | |
1979 | program requires is less or equal to the amount physically present. | |
1980 | ||
1981 | config MIPS_VPE_APSP_API | |
1982 | bool "Enable support for AP/SP API (RTLX)" | |
1983 | depends on MIPS_VPE_LOADER | |
1984 | help | |
1985 | ||
1986 | config MIPS_VPE_APSP_API_CMP | |
1987 | bool | |
1988 | default "y" | |
1989 | depends on MIPS_VPE_APSP_API && MIPS_CMP | |
1990 | ||
1991 | config MIPS_VPE_APSP_API_MT | |
1992 | bool | |
1993 | default "y" | |
1994 | depends on MIPS_VPE_APSP_API && !MIPS_CMP | |
1995 | ||
1996 | config MIPS_CMP | |
1997 | bool "MIPS CMP support" | |
1998 | depends on SYS_SUPPORTS_MIPS_CMP && MIPS_MT_SMP | |
1999 | select SYNC_R4K | |
2000 | select WEAK_ORDERING | |
2001 | default n | |
2002 | help | |
2003 | Enable Coherency Manager processor (CMP) support. | |
2004 | ||
2005 | config SB1_PASS_1_WORKAROUNDS | |
2006 | bool | |
2007 | depends on CPU_SB1_PASS_1 | |
2008 | default y | |
2009 | ||
2010 | config SB1_PASS_2_WORKAROUNDS | |
2011 | bool | |
2012 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
2013 | default y | |
2014 | ||
2015 | config SB1_PASS_2_1_WORKAROUNDS | |
2016 | bool | |
2017 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
2018 | default y | |
2019 | ||
2020 | ||
2021 | config 64BIT_PHYS_ADDR | |
2022 | bool | |
2023 | ||
2024 | config ARCH_PHYS_ADDR_T_64BIT | |
2025 | def_bool 64BIT_PHYS_ADDR | |
2026 | ||
2027 | config CPU_HAS_SMARTMIPS | |
2028 | depends on SYS_SUPPORTS_SMARTMIPS | |
2029 | bool "Support for the SmartMIPS ASE" | |
2030 | help | |
2031 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2032 | increased security at both hardware and software level for | |
2033 | smartcards. Enabling this option will allow proper use of the | |
2034 | SmartMIPS instructions by Linux applications. However a kernel with | |
2035 | this option will not work on a MIPS core without SmartMIPS core. If | |
2036 | you don't know you probably don't have SmartMIPS and should say N | |
2037 | here. | |
2038 | ||
2039 | config CPU_MICROMIPS | |
2040 | depends on SYS_SUPPORTS_MICROMIPS | |
2041 | bool "Build kernel using microMIPS ISA" | |
2042 | help | |
2043 | When this option is enabled the kernel will be built using the | |
2044 | microMIPS ISA | |
2045 | ||
2046 | config CPU_HAS_WB | |
2047 | bool | |
2048 | ||
2049 | config XKS01 | |
2050 | bool | |
2051 | ||
2052 | # | |
2053 | # Vectored interrupt mode is an R2 feature | |
2054 | # | |
2055 | config CPU_MIPSR2_IRQ_VI | |
2056 | bool | |
2057 | ||
2058 | # | |
2059 | # Extended interrupt mode is an R2 feature | |
2060 | # | |
2061 | config CPU_MIPSR2_IRQ_EI | |
2062 | bool | |
2063 | ||
2064 | config CPU_HAS_SYNC | |
2065 | bool | |
2066 | depends on !CPU_R3000 | |
2067 | default y | |
2068 | ||
2069 | # | |
2070 | # CPU non-features | |
2071 | # | |
2072 | config CPU_DADDI_WORKAROUNDS | |
2073 | bool | |
2074 | ||
2075 | config CPU_R4000_WORKAROUNDS | |
2076 | bool | |
2077 | select CPU_R4400_WORKAROUNDS | |
2078 | ||
2079 | config CPU_R4400_WORKAROUNDS | |
2080 | bool | |
2081 | ||
2082 | # | |
2083 | # - Highmem only makes sense for the 32-bit kernel. | |
2084 | # - The current highmem code will only work properly on physically indexed | |
2085 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2086 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2087 | # moment we protect the user and offer the highmem option only on machines | |
2088 | # where it's known to be safe. This will not offer highmem on a few systems | |
2089 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2090 | # indexed CPUs but we're playing safe. | |
2091 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we | |
2092 | # know they might have memory configurations that could make use of highmem | |
2093 | # support. | |
2094 | # | |
2095 | config HIGHMEM | |
2096 | bool "High Memory Support" | |
2097 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM | |
2098 | ||
2099 | config CPU_SUPPORTS_HIGHMEM | |
2100 | bool | |
2101 | ||
2102 | config SYS_SUPPORTS_HIGHMEM | |
2103 | bool | |
2104 | ||
2105 | config SYS_SUPPORTS_SMARTMIPS | |
2106 | bool | |
2107 | ||
2108 | config SYS_SUPPORTS_MICROMIPS | |
2109 | bool | |
2110 | ||
2111 | config ARCH_FLATMEM_ENABLE | |
2112 | def_bool y | |
2113 | depends on !NUMA && !CPU_LOONGSON2 | |
2114 | ||
2115 | config ARCH_DISCONTIGMEM_ENABLE | |
2116 | bool | |
2117 | default y if SGI_IP27 | |
2118 | help | |
2119 | Say Y to support efficient handling of discontiguous physical memory, | |
2120 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
2121 | or have huge holes in the physical address space for other reasons. | |
2122 | See <file:Documentation/vm/numa> for more. | |
2123 | ||
2124 | config ARCH_SPARSEMEM_ENABLE | |
2125 | bool | |
2126 | select SPARSEMEM_STATIC | |
2127 | ||
2128 | config NUMA | |
2129 | bool "NUMA Support" | |
2130 | depends on SYS_SUPPORTS_NUMA | |
2131 | help | |
2132 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2133 | Access). This option improves performance on systems with more | |
2134 | than two nodes; on two node systems it is generally better to | |
2135 | leave it disabled; on single node systems disable this option | |
2136 | disabled. | |
2137 | ||
2138 | config SYS_SUPPORTS_NUMA | |
2139 | bool | |
2140 | ||
2141 | config NODES_SHIFT | |
2142 | int | |
2143 | default "6" | |
2144 | depends on NEED_MULTIPLE_NODES | |
2145 | ||
2146 | config HW_PERF_EVENTS | |
2147 | bool "Enable hardware performance counter support for perf events" | |
2148 | depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) | |
2149 | default y | |
2150 | help | |
2151 | Enable hardware performance counter support for perf events. If | |
2152 | disabled, perf events will use software events only. | |
2153 | ||
2154 | source "mm/Kconfig" | |
2155 | ||
2156 | config SMP | |
2157 | bool "Multi-Processing support" | |
2158 | depends on SYS_SUPPORTS_SMP | |
2159 | help | |
2160 | This enables support for systems with more than one CPU. If you have | |
2161 | a system with only one CPU, say N. If you have a system with more | |
2162 | than one CPU, say Y. | |
2163 | ||
2164 | If you say N here, the kernel will run on uni- and multiprocessor | |
2165 | machines, but will use only one CPU of a multiprocessor machine. If | |
2166 | you say Y here, the kernel will run on many, but not all, | |
2167 | uniprocessor machines. On a uniprocessor machine, the kernel | |
2168 | will run faster if you say N here. | |
2169 | ||
2170 | People using multiprocessor machines who say Y here should also say | |
2171 | Y to "Enhanced Real Time Clock Support", below. | |
2172 | ||
2173 | See also the SMP-HOWTO available at | |
2174 | <http://www.tldp.org/docs.html#howto>. | |
2175 | ||
2176 | If you don't know what to do here, say N. | |
2177 | ||
2178 | config SMP_UP | |
2179 | bool | |
2180 | ||
2181 | config SYS_SUPPORTS_MIPS_CMP | |
2182 | bool | |
2183 | ||
2184 | config SYS_SUPPORTS_SMP | |
2185 | bool | |
2186 | ||
2187 | config NR_CPUS_DEFAULT_4 | |
2188 | bool | |
2189 | ||
2190 | config NR_CPUS_DEFAULT_8 | |
2191 | bool | |
2192 | ||
2193 | config NR_CPUS_DEFAULT_16 | |
2194 | bool | |
2195 | ||
2196 | config NR_CPUS_DEFAULT_32 | |
2197 | bool | |
2198 | ||
2199 | config NR_CPUS_DEFAULT_64 | |
2200 | bool | |
2201 | ||
2202 | config NR_CPUS | |
2203 | int "Maximum number of CPUs (2-64)" | |
2204 | range 2 64 | |
2205 | depends on SMP | |
2206 | default "4" if NR_CPUS_DEFAULT_4 | |
2207 | default "8" if NR_CPUS_DEFAULT_8 | |
2208 | default "16" if NR_CPUS_DEFAULT_16 | |
2209 | default "32" if NR_CPUS_DEFAULT_32 | |
2210 | default "64" if NR_CPUS_DEFAULT_64 | |
2211 | help | |
2212 | This allows you to specify the maximum number of CPUs which this | |
2213 | kernel will support. The maximum supported value is 32 for 32-bit | |
2214 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
2215 | sense is 1 for Qemu (useful only for kernel debugging purposes) | |
2216 | and 2 for all others. | |
2217 | ||
2218 | This is purely to save memory - each supported CPU adds | |
2219 | approximately eight kilobytes to the kernel image. For best | |
2220 | performance should round up your number of processors to the next | |
2221 | power of two. | |
2222 | ||
2223 | config MIPS_PERF_SHARED_TC_COUNTERS | |
2224 | bool | |
2225 | ||
2226 | # | |
2227 | # Timer Interrupt Frequency Configuration | |
2228 | # | |
2229 | ||
2230 | choice | |
2231 | prompt "Timer frequency" | |
2232 | default HZ_250 | |
2233 | help | |
2234 | Allows the configuration of the timer frequency. | |
2235 | ||
2236 | config HZ_48 | |
2237 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ | |
2238 | ||
2239 | config HZ_100 | |
2240 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2241 | ||
2242 | config HZ_128 | |
2243 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2244 | ||
2245 | config HZ_250 | |
2246 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2247 | ||
2248 | config HZ_256 | |
2249 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2250 | ||
2251 | config HZ_1000 | |
2252 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2253 | ||
2254 | config HZ_1024 | |
2255 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2256 | ||
2257 | endchoice | |
2258 | ||
2259 | config SYS_SUPPORTS_48HZ | |
2260 | bool | |
2261 | ||
2262 | config SYS_SUPPORTS_100HZ | |
2263 | bool | |
2264 | ||
2265 | config SYS_SUPPORTS_128HZ | |
2266 | bool | |
2267 | ||
2268 | config SYS_SUPPORTS_250HZ | |
2269 | bool | |
2270 | ||
2271 | config SYS_SUPPORTS_256HZ | |
2272 | bool | |
2273 | ||
2274 | config SYS_SUPPORTS_1000HZ | |
2275 | bool | |
2276 | ||
2277 | config SYS_SUPPORTS_1024HZ | |
2278 | bool | |
2279 | ||
2280 | config SYS_SUPPORTS_ARBIT_HZ | |
2281 | bool | |
2282 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2283 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2284 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2285 | !SYS_SUPPORTS_1024HZ | |
2286 | ||
2287 | config HZ | |
2288 | int | |
2289 | default 48 if HZ_48 | |
2290 | default 100 if HZ_100 | |
2291 | default 128 if HZ_128 | |
2292 | default 250 if HZ_250 | |
2293 | default 256 if HZ_256 | |
2294 | default 1000 if HZ_1000 | |
2295 | default 1024 if HZ_1024 | |
2296 | ||
2297 | source "kernel/Kconfig.preempt" | |
2298 | ||
2299 | config KEXEC | |
2300 | bool "Kexec system call" | |
2301 | help | |
2302 | kexec is a system call that implements the ability to shutdown your | |
2303 | current kernel, and to start another kernel. It is like a reboot | |
2304 | but it is independent of the system firmware. And like a reboot | |
2305 | you can start any kernel with it, not just Linux. | |
2306 | ||
2307 | The name comes from the similarity to the exec system call. | |
2308 | ||
2309 | It is an ongoing process to be certain the hardware in a machine | |
2310 | is properly shutdown, so do not be surprised if this code does not | |
2311 | initially work for you. As of this writing the exact hardware | |
2312 | interface is strongly in flux, so no good recommendation can be | |
2313 | made. | |
2314 | ||
2315 | config CRASH_DUMP | |
2316 | bool "Kernel crash dumps" | |
2317 | help | |
2318 | Generate crash dump after being started by kexec. | |
2319 | This should be normally only set in special crash dump kernels | |
2320 | which are loaded in the main kernel with kexec-tools into | |
2321 | a specially reserved region and then later executed after | |
2322 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2323 | to a memory address not used by the main kernel or firmware using | |
2324 | PHYSICAL_START. | |
2325 | ||
2326 | config PHYSICAL_START | |
2327 | hex "Physical address where the kernel is loaded" | |
2328 | default "0xffffffff84000000" if 64BIT | |
2329 | default "0x84000000" if 32BIT | |
2330 | depends on CRASH_DUMP | |
2331 | help | |
2332 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2333 | If you plan to use kernel for capturing the crash dump change | |
2334 | this value to start of the reserved region (the "X" value as | |
2335 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2336 | passed to the panic-ed kernel). | |
2337 | ||
2338 | config SECCOMP | |
2339 | bool "Enable seccomp to safely compute untrusted bytecode" | |
2340 | depends on PROC_FS | |
2341 | default y | |
2342 | help | |
2343 | This kernel feature is useful for number crunching applications | |
2344 | that may need to compute untrusted bytecode during their | |
2345 | execution. By using pipes or other transports made available to | |
2346 | the process as file descriptors supporting the read/write | |
2347 | syscalls, it's possible to isolate those applications in | |
2348 | their own address space using seccomp. Once seccomp is | |
2349 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2350 | and the task is only allowed to execute a few safe syscalls | |
2351 | defined by each seccomp mode. | |
2352 | ||
2353 | If unsure, say Y. Only embedded should say N here. | |
2354 | ||
2355 | config MIPS_O32_FP64_SUPPORT | |
2356 | bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" | |
2357 | depends on 32BIT || MIPS32_O32 | |
2358 | help | |
2359 | When this is enabled, the kernel will support use of 64-bit floating | |
2360 | point registers with binaries using the O32 ABI along with the | |
2361 | EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On | |
2362 | 32-bit MIPS systems this support is at the cost of increasing the | |
2363 | size and complexity of the compiled FPU emulator. Thus if you are | |
2364 | running a MIPS32 system and know that none of your userland binaries | |
2365 | will require 64-bit floating point, you may wish to reduce the size | |
2366 | of your kernel & potentially improve FP emulation performance by | |
2367 | saying N here. | |
2368 | ||
2369 | Although binutils currently supports use of this flag the details | |
2370 | concerning its effect upon the O32 ABI in userland are still being | |
2371 | worked on. In order to avoid userland becoming dependant upon current | |
2372 | behaviour before the details have been finalised, this option should | |
2373 | be considered experimental and only enabled by those working upon | |
2374 | said details. | |
2375 | ||
2376 | If unsure, say N. | |
2377 | ||
2378 | config USE_OF | |
2379 | bool | |
2380 | select OF | |
2381 | select OF_EARLY_FLATTREE | |
2382 | select IRQ_DOMAIN | |
2383 | ||
2384 | endmenu | |
2385 | ||
2386 | config LOCKDEP_SUPPORT | |
2387 | bool | |
2388 | default y | |
2389 | ||
2390 | config STACKTRACE_SUPPORT | |
2391 | bool | |
2392 | default y | |
2393 | ||
2394 | source "init/Kconfig" | |
2395 | ||
2396 | source "kernel/Kconfig.freezer" | |
2397 | ||
2398 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" | |
2399 | ||
2400 | config HW_HAS_EISA | |
2401 | bool | |
2402 | config HW_HAS_PCI | |
2403 | bool | |
2404 | ||
2405 | config PCI | |
2406 | bool "Support for PCI controller" | |
2407 | depends on HW_HAS_PCI | |
2408 | select PCI_DOMAINS | |
2409 | select NO_GENERIC_PCI_IOPORT_MAP | |
2410 | help | |
2411 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2412 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2413 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2414 | say Y, otherwise N. | |
2415 | ||
2416 | config PCI_DOMAINS | |
2417 | bool | |
2418 | ||
2419 | source "drivers/pci/Kconfig" | |
2420 | ||
2421 | source "drivers/pci/pcie/Kconfig" | |
2422 | ||
2423 | # | |
2424 | # ISA support is now enabled via select. Too many systems still have the one | |
2425 | # or other ISA chip on the board that users don't know about so don't expect | |
2426 | # users to choose the right thing ... | |
2427 | # | |
2428 | config ISA | |
2429 | bool | |
2430 | ||
2431 | config EISA | |
2432 | bool "EISA support" | |
2433 | depends on HW_HAS_EISA | |
2434 | select ISA | |
2435 | select GENERIC_ISA_DMA | |
2436 | ---help--- | |
2437 | The Extended Industry Standard Architecture (EISA) bus was | |
2438 | developed as an open alternative to the IBM MicroChannel bus. | |
2439 | ||
2440 | The EISA bus provided some of the features of the IBM MicroChannel | |
2441 | bus while maintaining backward compatibility with cards made for | |
2442 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2443 | 1995 when it was made obsolete by the PCI bus. | |
2444 | ||
2445 | Say Y here if you are building a kernel for an EISA-based machine. | |
2446 | ||
2447 | Otherwise, say N. | |
2448 | ||
2449 | source "drivers/eisa/Kconfig" | |
2450 | ||
2451 | config TC | |
2452 | bool "TURBOchannel support" | |
2453 | depends on MACH_DECSTATION | |
2454 | help | |
2455 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2456 | processors. TURBOchannel programming specifications are available | |
2457 | at: | |
2458 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2459 | and: | |
2460 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2461 | Linux driver support status is documented at: | |
2462 | <http://www.linux-mips.org/wiki/DECstation> | |
2463 | ||
2464 | config MMU | |
2465 | bool | |
2466 | default y | |
2467 | ||
2468 | config I8253 | |
2469 | bool | |
2470 | select CLKSRC_I8253 | |
2471 | select CLKEVT_I8253 | |
2472 | select MIPS_EXTERNAL_TIMER | |
2473 | ||
2474 | config ZONE_DMA | |
2475 | bool | |
2476 | ||
2477 | config ZONE_DMA32 | |
2478 | bool | |
2479 | ||
2480 | source "drivers/pcmcia/Kconfig" | |
2481 | ||
2482 | source "drivers/pci/hotplug/Kconfig" | |
2483 | ||
2484 | config RAPIDIO | |
2485 | tristate "RapidIO support" | |
2486 | depends on PCI | |
2487 | default n | |
2488 | help | |
2489 | If you say Y here, the kernel will include drivers and | |
2490 | infrastructure code to support RapidIO interconnect devices. | |
2491 | ||
2492 | source "drivers/rapidio/Kconfig" | |
2493 | ||
2494 | endmenu | |
2495 | ||
2496 | menu "Executable file formats" | |
2497 | ||
2498 | source "fs/Kconfig.binfmt" | |
2499 | ||
2500 | config TRAD_SIGNALS | |
2501 | bool | |
2502 | ||
2503 | config MIPS32_COMPAT | |
2504 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
2505 | depends on 64BIT | |
2506 | help | |
2507 | Select this option if you want Linux/MIPS 32-bit binary | |
2508 | compatibility. Since all software available for Linux/MIPS is | |
2509 | currently 32-bit you should say Y here. | |
2510 | ||
2511 | config COMPAT | |
2512 | bool | |
2513 | depends on MIPS32_COMPAT | |
2514 | select ARCH_WANT_OLD_COMPAT_IPC | |
2515 | default y | |
2516 | ||
2517 | config SYSVIPC_COMPAT | |
2518 | bool | |
2519 | depends on COMPAT && SYSVIPC | |
2520 | default y | |
2521 | ||
2522 | config MIPS32_O32 | |
2523 | bool "Kernel support for o32 binaries" | |
2524 | depends on MIPS32_COMPAT | |
2525 | help | |
2526 | Select this option if you want to run o32 binaries. These are pure | |
2527 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2528 | existing binaries are in this format. | |
2529 | ||
2530 | If unsure, say Y. | |
2531 | ||
2532 | config MIPS32_N32 | |
2533 | bool "Kernel support for n32 binaries" | |
2534 | depends on MIPS32_COMPAT | |
2535 | help | |
2536 | Select this option if you want to run n32 binaries. These are | |
2537 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2538 | data that would normally be 64-bit. They are used in special | |
2539 | cases. | |
2540 | ||
2541 | If unsure, say N. | |
2542 | ||
2543 | config BINFMT_ELF32 | |
2544 | bool | |
2545 | default y if MIPS32_O32 || MIPS32_N32 | |
2546 | ||
2547 | endmenu | |
2548 | ||
2549 | menu "Power management options" | |
2550 | ||
2551 | config ARCH_HIBERNATION_POSSIBLE | |
2552 | def_bool y | |
2553 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP | |
2554 | ||
2555 | config ARCH_SUSPEND_POSSIBLE | |
2556 | def_bool y | |
2557 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP | |
2558 | ||
2559 | source "kernel/power/Kconfig" | |
2560 | ||
2561 | endmenu | |
2562 | ||
2563 | config MIPS_EXTERNAL_TIMER | |
2564 | bool | |
2565 | ||
2566 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
2567 | menu "CPU Power Management" | |
2568 | source "drivers/cpufreq/Kconfig" | |
2569 | endmenu | |
2570 | endif | |
2571 | ||
2572 | source "net/Kconfig" | |
2573 | ||
2574 | source "drivers/Kconfig" | |
2575 | ||
2576 | source "drivers/firmware/Kconfig" | |
2577 | ||
2578 | source "fs/Kconfig" | |
2579 | ||
2580 | source "arch/mips/Kconfig.debug" | |
2581 | ||
2582 | source "security/Kconfig" | |
2583 | ||
2584 | source "crypto/Kconfig" | |
2585 | ||
2586 | source "lib/Kconfig" | |
2587 | ||
2588 | source "arch/mips/kvm/Kconfig" |