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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_SECCOMP_FILTER | |
14 | select HAVE_ARCH_TRACEHOOK | |
15 | select HAVE_BPF_JIT if !CPU_MICROMIPS | |
16 | select ARCH_HAVE_CUSTOM_GPIO_H | |
17 | select HAVE_FUNCTION_TRACER | |
18 | select HAVE_DYNAMIC_FTRACE | |
19 | select HAVE_FTRACE_MCOUNT_RECORD | |
20 | select HAVE_C_RECORDMCOUNT | |
21 | select HAVE_FUNCTION_GRAPH_TRACER | |
22 | select HAVE_KPROBES | |
23 | select HAVE_KRETPROBES | |
24 | select HAVE_SYSCALL_TRACEPOINTS | |
25 | select HAVE_DEBUG_KMEMLEAK | |
26 | select HAVE_SYSCALL_TRACEPOINTS | |
27 | select ARCH_HAS_ELF_RANDOMIZE | |
28 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT | |
29 | select RTC_LIB if !MACH_LOONGSON | |
30 | select GENERIC_ATOMIC64 if !64BIT | |
31 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
32 | select HAVE_DMA_ATTRS | |
33 | select HAVE_DMA_CONTIGUOUS | |
34 | select HAVE_DMA_API_DEBUG | |
35 | select GENERIC_IRQ_PROBE | |
36 | select GENERIC_IRQ_SHOW | |
37 | select GENERIC_PCI_IOMAP | |
38 | select HAVE_ARCH_JUMP_LABEL | |
39 | select ARCH_WANT_IPC_PARSE_VERSION | |
40 | select IRQ_FORCED_THREADING | |
41 | select HAVE_MEMBLOCK | |
42 | select HAVE_MEMBLOCK_NODE_MAP | |
43 | select ARCH_DISCARD_MEMBLOCK | |
44 | select GENERIC_SMP_IDLE_THREAD | |
45 | select BUILDTIME_EXTABLE_SORT | |
46 | select GENERIC_CLOCKEVENTS | |
47 | select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC | |
48 | select GENERIC_CMOS_UPDATE | |
49 | select HAVE_MOD_ARCH_SPECIFIC | |
50 | select VIRT_TO_BUS | |
51 | select MODULES_USE_ELF_REL if MODULES | |
52 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
53 | select CLONE_BACKWARDS | |
54 | select HAVE_DEBUG_STACKOVERFLOW | |
55 | select HAVE_CC_STACKPROTECTOR | |
56 | select CPU_PM if CPU_IDLE | |
57 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST | |
58 | select ARCH_BINFMT_ELF_STATE | |
59 | select SYSCTL_EXCEPTION_TRACE | |
60 | select HAVE_VIRT_CPU_ACCOUNTING_GEN | |
61 | select HAVE_IRQ_TIME_ACCOUNTING | |
62 | ||
63 | menu "Machine selection" | |
64 | ||
65 | choice | |
66 | prompt "System type" | |
67 | default SGI_IP22 | |
68 | ||
69 | config MIPS_ALCHEMY | |
70 | bool "Alchemy processor based machines" | |
71 | select ARCH_PHYS_ADDR_T_64BIT | |
72 | select CEVT_R4K | |
73 | select CSRC_R4K | |
74 | select IRQ_CPU | |
75 | select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is | |
76 | select SYS_HAS_CPU_MIPS32_R1 | |
77 | select SYS_SUPPORTS_32BIT_KERNEL | |
78 | select SYS_SUPPORTS_APM_EMULATION | |
79 | select ARCH_REQUIRE_GPIOLIB | |
80 | select SYS_SUPPORTS_ZBOOT | |
81 | select COMMON_CLK | |
82 | ||
83 | config AR7 | |
84 | bool "Texas Instruments AR7" | |
85 | select BOOT_ELF32 | |
86 | select DMA_NONCOHERENT | |
87 | select CEVT_R4K | |
88 | select CSRC_R4K | |
89 | select IRQ_CPU | |
90 | select NO_EXCEPT_FILL | |
91 | select SWAP_IO_SPACE | |
92 | select SYS_HAS_CPU_MIPS32_R1 | |
93 | select SYS_HAS_EARLY_PRINTK | |
94 | select SYS_SUPPORTS_32BIT_KERNEL | |
95 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
96 | select SYS_SUPPORTS_MIPS16 | |
97 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
98 | select ARCH_REQUIRE_GPIOLIB | |
99 | select VLYNQ | |
100 | select HAVE_CLK | |
101 | help | |
102 | Support for the Texas Instruments AR7 System-on-a-Chip | |
103 | family: TNETD7100, 7200 and 7300. | |
104 | ||
105 | config ATH25 | |
106 | bool "Atheros AR231x/AR531x SoC support" | |
107 | select CEVT_R4K | |
108 | select CSRC_R4K | |
109 | select DMA_NONCOHERENT | |
110 | select IRQ_CPU | |
111 | select IRQ_DOMAIN | |
112 | select SYS_HAS_CPU_MIPS32_R1 | |
113 | select SYS_SUPPORTS_BIG_ENDIAN | |
114 | select SYS_SUPPORTS_32BIT_KERNEL | |
115 | select SYS_HAS_EARLY_PRINTK | |
116 | help | |
117 | Support for Atheros AR231x and Atheros AR531x based boards | |
118 | ||
119 | config ATH79 | |
120 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
121 | select ARCH_REQUIRE_GPIOLIB | |
122 | select BOOT_RAW | |
123 | select CEVT_R4K | |
124 | select CSRC_R4K | |
125 | select DMA_NONCOHERENT | |
126 | select HAVE_CLK | |
127 | select CLKDEV_LOOKUP | |
128 | select IRQ_CPU | |
129 | select MIPS_MACHINE | |
130 | select SYS_HAS_CPU_MIPS32_R2 | |
131 | select SYS_HAS_EARLY_PRINTK | |
132 | select SYS_SUPPORTS_32BIT_KERNEL | |
133 | select SYS_SUPPORTS_BIG_ENDIAN | |
134 | select SYS_SUPPORTS_MIPS16 | |
135 | help | |
136 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
137 | ||
138 | config BMIPS_GENERIC | |
139 | bool "Broadcom Generic BMIPS kernel" | |
140 | select BOOT_RAW | |
141 | select NO_EXCEPT_FILL | |
142 | select USE_OF | |
143 | select CEVT_R4K | |
144 | select CSRC_R4K | |
145 | select SYNC_R4K | |
146 | select COMMON_CLK | |
147 | select BCM7038_L1_IRQ | |
148 | select BCM7120_L2_IRQ | |
149 | select BRCMSTB_L2_IRQ | |
150 | select IRQ_CPU | |
151 | select RAW_IRQ_ACCESSORS | |
152 | select DMA_NONCOHERENT | |
153 | select SYS_SUPPORTS_32BIT_KERNEL | |
154 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
155 | select SYS_SUPPORTS_BIG_ENDIAN | |
156 | select SYS_SUPPORTS_HIGHMEM | |
157 | select SYS_HAS_CPU_BMIPS32_3300 | |
158 | select SYS_HAS_CPU_BMIPS4350 | |
159 | select SYS_HAS_CPU_BMIPS4380 | |
160 | select SYS_HAS_CPU_BMIPS5000 | |
161 | select SWAP_IO_SPACE | |
162 | select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN | |
163 | select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
164 | select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN | |
165 | select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
166 | help | |
167 | Build a generic DT-based kernel image that boots on select | |
168 | BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top | |
169 | box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN | |
170 | must be set appropriately for your board. | |
171 | ||
172 | config BCM47XX | |
173 | bool "Broadcom BCM47XX based boards" | |
174 | select ARCH_WANT_OPTIONAL_GPIOLIB | |
175 | select BOOT_RAW | |
176 | select CEVT_R4K | |
177 | select CSRC_R4K | |
178 | select DMA_NONCOHERENT | |
179 | select HW_HAS_PCI | |
180 | select IRQ_CPU | |
181 | select SYS_HAS_CPU_MIPS32_R1 | |
182 | select NO_EXCEPT_FILL | |
183 | select SYS_SUPPORTS_32BIT_KERNEL | |
184 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
185 | select SYS_SUPPORTS_MIPS16 | |
186 | select SYS_HAS_EARLY_PRINTK | |
187 | select USE_GENERIC_EARLY_PRINTK_8250 | |
188 | select GPIOLIB | |
189 | select LEDS_GPIO_REGISTER | |
190 | help | |
191 | Support for BCM47XX based boards | |
192 | ||
193 | config BCM63XX | |
194 | bool "Broadcom BCM63XX based boards" | |
195 | select BOOT_RAW | |
196 | select CEVT_R4K | |
197 | select CSRC_R4K | |
198 | select SYNC_R4K | |
199 | select DMA_NONCOHERENT | |
200 | select IRQ_CPU | |
201 | select SYS_SUPPORTS_32BIT_KERNEL | |
202 | select SYS_SUPPORTS_BIG_ENDIAN | |
203 | select SYS_HAS_EARLY_PRINTK | |
204 | select SWAP_IO_SPACE | |
205 | select ARCH_REQUIRE_GPIOLIB | |
206 | select HAVE_CLK | |
207 | select MIPS_L1_CACHE_SHIFT_4 | |
208 | help | |
209 | Support for BCM63XX based boards | |
210 | ||
211 | config MIPS_COBALT | |
212 | bool "Cobalt Server" | |
213 | select CEVT_R4K | |
214 | select CSRC_R4K | |
215 | select CEVT_GT641XX | |
216 | select DMA_NONCOHERENT | |
217 | select HW_HAS_PCI | |
218 | select I8253 | |
219 | select I8259 | |
220 | select IRQ_CPU | |
221 | select IRQ_GT641XX | |
222 | select PCI_GT64XXX_PCI0 | |
223 | select PCI | |
224 | select SYS_HAS_CPU_NEVADA | |
225 | select SYS_HAS_EARLY_PRINTK | |
226 | select SYS_SUPPORTS_32BIT_KERNEL | |
227 | select SYS_SUPPORTS_64BIT_KERNEL | |
228 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
229 | select USE_GENERIC_EARLY_PRINTK_8250 | |
230 | ||
231 | config MACH_DECSTATION | |
232 | bool "DECstations" | |
233 | select BOOT_ELF32 | |
234 | select CEVT_DS1287 | |
235 | select CEVT_R4K if CPU_R4X00 | |
236 | select CSRC_IOASIC | |
237 | select CSRC_R4K if CPU_R4X00 | |
238 | select CPU_DADDI_WORKAROUNDS if 64BIT | |
239 | select CPU_R4000_WORKAROUNDS if 64BIT | |
240 | select CPU_R4400_WORKAROUNDS if 64BIT | |
241 | select DMA_NONCOHERENT | |
242 | select NO_IOPORT_MAP | |
243 | select IRQ_CPU | |
244 | select SYS_HAS_CPU_R3000 | |
245 | select SYS_HAS_CPU_R4X00 | |
246 | select SYS_SUPPORTS_32BIT_KERNEL | |
247 | select SYS_SUPPORTS_64BIT_KERNEL | |
248 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
249 | select SYS_SUPPORTS_128HZ | |
250 | select SYS_SUPPORTS_256HZ | |
251 | select SYS_SUPPORTS_1024HZ | |
252 | select MIPS_L1_CACHE_SHIFT_4 | |
253 | help | |
254 | This enables support for DEC's MIPS based workstations. For details | |
255 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
256 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
257 | ||
258 | If you have one of the following DECstation Models you definitely | |
259 | want to choose R4xx0 for the CPU Type: | |
260 | ||
261 | DECstation 5000/50 | |
262 | DECstation 5000/150 | |
263 | DECstation 5000/260 | |
264 | DECsystem 5900/260 | |
265 | ||
266 | otherwise choose R3000. | |
267 | ||
268 | config MACH_JAZZ | |
269 | bool "Jazz family of machines" | |
270 | select FW_ARC | |
271 | select FW_ARC32 | |
272 | select ARCH_MAY_HAVE_PC_FDC | |
273 | select CEVT_R4K | |
274 | select CSRC_R4K | |
275 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
276 | select GENERIC_ISA_DMA | |
277 | select HAVE_PCSPKR_PLATFORM | |
278 | select IRQ_CPU | |
279 | select I8253 | |
280 | select I8259 | |
281 | select ISA | |
282 | select SYS_HAS_CPU_R4X00 | |
283 | select SYS_SUPPORTS_32BIT_KERNEL | |
284 | select SYS_SUPPORTS_64BIT_KERNEL | |
285 | select SYS_SUPPORTS_100HZ | |
286 | help | |
287 | This a family of machines based on the MIPS R4030 chipset which was | |
288 | used by several vendors to build RISC/os and Windows NT workstations. | |
289 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and | |
290 | Olivetti M700-10 workstations. | |
291 | ||
292 | config MACH_JZ4740 | |
293 | bool "Ingenic JZ4740 based machines" | |
294 | select SYS_HAS_CPU_MIPS32_R1 | |
295 | select SYS_SUPPORTS_32BIT_KERNEL | |
296 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
297 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
298 | select DMA_NONCOHERENT | |
299 | select IRQ_CPU | |
300 | select ARCH_REQUIRE_GPIOLIB | |
301 | select SYS_HAS_EARLY_PRINTK | |
302 | select HAVE_CLK | |
303 | select GENERIC_IRQ_CHIP | |
304 | ||
305 | config LANTIQ | |
306 | bool "Lantiq based platforms" | |
307 | select DMA_NONCOHERENT | |
308 | select IRQ_CPU | |
309 | select CEVT_R4K | |
310 | select CSRC_R4K | |
311 | select SYS_HAS_CPU_MIPS32_R1 | |
312 | select SYS_HAS_CPU_MIPS32_R2 | |
313 | select SYS_SUPPORTS_BIG_ENDIAN | |
314 | select SYS_SUPPORTS_32BIT_KERNEL | |
315 | select SYS_SUPPORTS_MIPS16 | |
316 | select SYS_SUPPORTS_MULTITHREADING | |
317 | select SYS_HAS_EARLY_PRINTK | |
318 | select ARCH_REQUIRE_GPIOLIB | |
319 | select SWAP_IO_SPACE | |
320 | select BOOT_RAW | |
321 | select HAVE_MACH_CLKDEV | |
322 | select CLKDEV_LOOKUP | |
323 | select USE_OF | |
324 | select PINCTRL | |
325 | select PINCTRL_LANTIQ | |
326 | select ARCH_HAS_RESET_CONTROLLER | |
327 | select RESET_CONTROLLER | |
328 | ||
329 | config LASAT | |
330 | bool "LASAT Networks platforms" | |
331 | select CEVT_R4K | |
332 | select CRC32 | |
333 | select CSRC_R4K | |
334 | select DMA_NONCOHERENT | |
335 | select SYS_HAS_EARLY_PRINTK | |
336 | select HW_HAS_PCI | |
337 | select IRQ_CPU | |
338 | select PCI_GT64XXX_PCI0 | |
339 | select MIPS_NILE4 | |
340 | select R5000_CPU_SCACHE | |
341 | select SYS_HAS_CPU_R5000 | |
342 | select SYS_SUPPORTS_32BIT_KERNEL | |
343 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
344 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
345 | ||
346 | config MACH_LOONGSON | |
347 | bool "Loongson family of machines" | |
348 | select SYS_SUPPORTS_ZBOOT | |
349 | help | |
350 | This enables the support of Loongson family of machines. | |
351 | ||
352 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
353 | developed at Institute of Computing Technology (ICT), | |
354 | Chinese Academy of Sciences (CAS) in the People's Republic | |
355 | of China. The chief architect is Professor Weiwu Hu. | |
356 | ||
357 | config MACH_LOONGSON1 | |
358 | bool "Loongson 1 family of machines" | |
359 | select SYS_SUPPORTS_ZBOOT | |
360 | help | |
361 | This enables support for the Loongson 1 based machines. | |
362 | ||
363 | Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by | |
364 | the ICT (Institute of Computing Technology) and the Chinese Academy | |
365 | of Sciences. | |
366 | ||
367 | config MACH_PISTACHIO | |
368 | bool "IMG Pistachio SoC based boards" | |
369 | select ARCH_REQUIRE_GPIOLIB | |
370 | select BOOT_ELF32 | |
371 | select BOOT_RAW | |
372 | select CEVT_R4K | |
373 | select CLKSRC_MIPS_GIC | |
374 | select COMMON_CLK | |
375 | select CSRC_R4K | |
376 | select DMA_MAYBE_COHERENT | |
377 | select IRQ_CPU | |
378 | select LIBFDT | |
379 | select MFD_SYSCON | |
380 | select MIPS_CPU_SCACHE | |
381 | select MIPS_GIC | |
382 | select PINCTRL | |
383 | select REGULATOR | |
384 | select SYS_HAS_CPU_MIPS32_R2 | |
385 | select SYS_SUPPORTS_32BIT_KERNEL | |
386 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
387 | select SYS_SUPPORTS_MIPS_CPS | |
388 | select SYS_SUPPORTS_MULTITHREADING | |
389 | select SYS_SUPPORTS_ZBOOT | |
390 | select USE_OF | |
391 | help | |
392 | This enables support for the IMG Pistachio SoC platform. | |
393 | ||
394 | config MIPS_MALTA | |
395 | bool "MIPS Malta board" | |
396 | select ARCH_MAY_HAVE_PC_FDC | |
397 | select BOOT_ELF32 | |
398 | select BOOT_RAW | |
399 | select CEVT_R4K | |
400 | select CSRC_R4K | |
401 | select CLKSRC_MIPS_GIC | |
402 | select DMA_MAYBE_COHERENT | |
403 | select GENERIC_ISA_DMA | |
404 | select HAVE_PCSPKR_PLATFORM | |
405 | select IRQ_CPU | |
406 | select MIPS_GIC | |
407 | select HW_HAS_PCI | |
408 | select I8253 | |
409 | select I8259 | |
410 | select MIPS_BONITO64 | |
411 | select MIPS_CPU_SCACHE | |
412 | select MIPS_L1_CACHE_SHIFT_6 | |
413 | select PCI_GT64XXX_PCI0 | |
414 | select MIPS_MSC | |
415 | select SWAP_IO_SPACE | |
416 | select SYS_HAS_CPU_MIPS32_R1 | |
417 | select SYS_HAS_CPU_MIPS32_R2 | |
418 | select SYS_HAS_CPU_MIPS32_R3_5 | |
419 | select SYS_HAS_CPU_MIPS32_R5 | |
420 | select SYS_HAS_CPU_MIPS32_R6 | |
421 | select SYS_HAS_CPU_MIPS64_R1 | |
422 | select SYS_HAS_CPU_MIPS64_R2 | |
423 | select SYS_HAS_CPU_MIPS64_R6 | |
424 | select SYS_HAS_CPU_NEVADA | |
425 | select SYS_HAS_CPU_RM7000 | |
426 | select SYS_SUPPORTS_32BIT_KERNEL | |
427 | select SYS_SUPPORTS_64BIT_KERNEL | |
428 | select SYS_SUPPORTS_BIG_ENDIAN | |
429 | select SYS_SUPPORTS_HIGHMEM | |
430 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
431 | select SYS_SUPPORTS_MICROMIPS | |
432 | select SYS_SUPPORTS_MIPS_CMP | |
433 | select SYS_SUPPORTS_MIPS_CPS | |
434 | select SYS_SUPPORTS_MIPS16 | |
435 | select SYS_SUPPORTS_MULTITHREADING | |
436 | select SYS_SUPPORTS_SMARTMIPS | |
437 | select SYS_SUPPORTS_ZBOOT | |
438 | help | |
439 | This enables support for the MIPS Technologies Malta evaluation | |
440 | board. | |
441 | ||
442 | config MIPS_SEAD3 | |
443 | bool "MIPS SEAD3 board" | |
444 | select BOOT_ELF32 | |
445 | select BOOT_RAW | |
446 | select BUILTIN_DTB | |
447 | select CEVT_R4K | |
448 | select CSRC_R4K | |
449 | select CLKSRC_MIPS_GIC | |
450 | select CPU_MIPSR2_IRQ_VI | |
451 | select CPU_MIPSR2_IRQ_EI | |
452 | select DMA_NONCOHERENT | |
453 | select IRQ_CPU | |
454 | select MIPS_GIC | |
455 | select LIBFDT | |
456 | select MIPS_MSC | |
457 | select SYS_HAS_CPU_MIPS32_R1 | |
458 | select SYS_HAS_CPU_MIPS32_R2 | |
459 | select SYS_HAS_CPU_MIPS64_R1 | |
460 | select SYS_HAS_EARLY_PRINTK | |
461 | select SYS_SUPPORTS_32BIT_KERNEL | |
462 | select SYS_SUPPORTS_64BIT_KERNEL | |
463 | select SYS_SUPPORTS_BIG_ENDIAN | |
464 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
465 | select SYS_SUPPORTS_SMARTMIPS | |
466 | select SYS_SUPPORTS_MICROMIPS | |
467 | select SYS_SUPPORTS_MIPS16 | |
468 | select USB_EHCI_BIG_ENDIAN_DESC | |
469 | select USB_EHCI_BIG_ENDIAN_MMIO | |
470 | select USE_OF | |
471 | help | |
472 | This enables support for the MIPS Technologies SEAD3 evaluation | |
473 | board. | |
474 | ||
475 | config NEC_MARKEINS | |
476 | bool "NEC EMMA2RH Mark-eins board" | |
477 | select SOC_EMMA2RH | |
478 | select HW_HAS_PCI | |
479 | help | |
480 | This enables support for the NEC Electronics Mark-eins boards. | |
481 | ||
482 | config MACH_VR41XX | |
483 | bool "NEC VR4100 series based machines" | |
484 | select CEVT_R4K | |
485 | select CSRC_R4K | |
486 | select SYS_HAS_CPU_VR41XX | |
487 | select SYS_SUPPORTS_MIPS16 | |
488 | select ARCH_REQUIRE_GPIOLIB | |
489 | ||
490 | config NXP_STB220 | |
491 | bool "NXP STB220 board" | |
492 | select SOC_PNX833X | |
493 | help | |
494 | Support for NXP Semiconductors STB220 Development Board. | |
495 | ||
496 | config NXP_STB225 | |
497 | bool "NXP 225 board" | |
498 | select SOC_PNX833X | |
499 | select SOC_PNX8335 | |
500 | help | |
501 | Support for NXP Semiconductors STB225 Development Board. | |
502 | ||
503 | config PMC_MSP | |
504 | bool "PMC-Sierra MSP chipsets" | |
505 | select CEVT_R4K | |
506 | select CSRC_R4K | |
507 | select DMA_NONCOHERENT | |
508 | select SWAP_IO_SPACE | |
509 | select NO_EXCEPT_FILL | |
510 | select BOOT_RAW | |
511 | select SYS_HAS_CPU_MIPS32_R1 | |
512 | select SYS_HAS_CPU_MIPS32_R2 | |
513 | select SYS_SUPPORTS_32BIT_KERNEL | |
514 | select SYS_SUPPORTS_BIG_ENDIAN | |
515 | select SYS_SUPPORTS_MIPS16 | |
516 | select IRQ_CPU | |
517 | select SERIAL_8250 | |
518 | select SERIAL_8250_CONSOLE | |
519 | select USB_EHCI_BIG_ENDIAN_MMIO | |
520 | select USB_EHCI_BIG_ENDIAN_DESC | |
521 | help | |
522 | This adds support for the PMC-Sierra family of Multi-Service | |
523 | Processor System-On-A-Chips. These parts include a number | |
524 | of integrated peripherals, interfaces and DSPs in addition to | |
525 | a variety of MIPS cores. | |
526 | ||
527 | config RALINK | |
528 | bool "Ralink based machines" | |
529 | select CEVT_R4K | |
530 | select CSRC_R4K | |
531 | select BOOT_RAW | |
532 | select DMA_NONCOHERENT | |
533 | select IRQ_CPU | |
534 | select USE_OF | |
535 | select SYS_HAS_CPU_MIPS32_R1 | |
536 | select SYS_HAS_CPU_MIPS32_R2 | |
537 | select SYS_SUPPORTS_32BIT_KERNEL | |
538 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
539 | select SYS_SUPPORTS_MIPS16 | |
540 | select SYS_HAS_EARLY_PRINTK | |
541 | select HAVE_MACH_CLKDEV | |
542 | select CLKDEV_LOOKUP | |
543 | select ARCH_HAS_RESET_CONTROLLER | |
544 | select RESET_CONTROLLER | |
545 | ||
546 | config SGI_IP22 | |
547 | bool "SGI IP22 (Indy/Indigo2)" | |
548 | select FW_ARC | |
549 | select FW_ARC32 | |
550 | select BOOT_ELF32 | |
551 | select CEVT_R4K | |
552 | select CSRC_R4K | |
553 | select DEFAULT_SGI_PARTITION | |
554 | select DMA_NONCOHERENT | |
555 | select HW_HAS_EISA | |
556 | select I8253 | |
557 | select I8259 | |
558 | select IP22_CPU_SCACHE | |
559 | select IRQ_CPU | |
560 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
561 | select SGI_HAS_I8042 | |
562 | select SGI_HAS_INDYDOG | |
563 | select SGI_HAS_HAL2 | |
564 | select SGI_HAS_SEEQ | |
565 | select SGI_HAS_WD93 | |
566 | select SGI_HAS_ZILOG | |
567 | select SWAP_IO_SPACE | |
568 | select SYS_HAS_CPU_R4X00 | |
569 | select SYS_HAS_CPU_R5000 | |
570 | # | |
571 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
572 | # memory during early boot on some machines. | |
573 | # | |
574 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
575 | # for a more details discussion | |
576 | # | |
577 | # select SYS_HAS_EARLY_PRINTK | |
578 | select SYS_SUPPORTS_32BIT_KERNEL | |
579 | select SYS_SUPPORTS_64BIT_KERNEL | |
580 | select SYS_SUPPORTS_BIG_ENDIAN | |
581 | select MIPS_L1_CACHE_SHIFT_7 | |
582 | help | |
583 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
584 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
585 | that runs on these, say Y here. | |
586 | ||
587 | config SGI_IP27 | |
588 | bool "SGI IP27 (Origin200/2000)" | |
589 | select FW_ARC | |
590 | select FW_ARC64 | |
591 | select BOOT_ELF64 | |
592 | select DEFAULT_SGI_PARTITION | |
593 | select DMA_COHERENT | |
594 | select SYS_HAS_EARLY_PRINTK | |
595 | select HW_HAS_PCI | |
596 | select NR_CPUS_DEFAULT_64 | |
597 | select SYS_HAS_CPU_R10000 | |
598 | select SYS_SUPPORTS_64BIT_KERNEL | |
599 | select SYS_SUPPORTS_BIG_ENDIAN | |
600 | select SYS_SUPPORTS_NUMA | |
601 | select SYS_SUPPORTS_SMP | |
602 | select MIPS_L1_CACHE_SHIFT_7 | |
603 | help | |
604 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
605 | workstations. To compile a Linux kernel that runs on these, say Y | |
606 | here. | |
607 | ||
608 | config SGI_IP28 | |
609 | bool "SGI IP28 (Indigo2 R10k)" | |
610 | select FW_ARC | |
611 | select FW_ARC64 | |
612 | select BOOT_ELF64 | |
613 | select CEVT_R4K | |
614 | select CSRC_R4K | |
615 | select DEFAULT_SGI_PARTITION | |
616 | select DMA_NONCOHERENT | |
617 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
618 | select IRQ_CPU | |
619 | select HW_HAS_EISA | |
620 | select I8253 | |
621 | select I8259 | |
622 | select SGI_HAS_I8042 | |
623 | select SGI_HAS_INDYDOG | |
624 | select SGI_HAS_HAL2 | |
625 | select SGI_HAS_SEEQ | |
626 | select SGI_HAS_WD93 | |
627 | select SGI_HAS_ZILOG | |
628 | select SWAP_IO_SPACE | |
629 | select SYS_HAS_CPU_R10000 | |
630 | # | |
631 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
632 | # memory during early boot on some machines. | |
633 | # | |
634 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
635 | # for a more details discussion | |
636 | # | |
637 | # select SYS_HAS_EARLY_PRINTK | |
638 | select SYS_SUPPORTS_64BIT_KERNEL | |
639 | select SYS_SUPPORTS_BIG_ENDIAN | |
640 | select MIPS_L1_CACHE_SHIFT_7 | |
641 | help | |
642 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
643 | kernel that runs on these, say Y here. | |
644 | ||
645 | config SGI_IP32 | |
646 | bool "SGI IP32 (O2)" | |
647 | select FW_ARC | |
648 | select FW_ARC32 | |
649 | select BOOT_ELF32 | |
650 | select CEVT_R4K | |
651 | select CSRC_R4K | |
652 | select DMA_NONCOHERENT | |
653 | select HW_HAS_PCI | |
654 | select IRQ_CPU | |
655 | select R5000_CPU_SCACHE | |
656 | select RM7000_CPU_SCACHE | |
657 | select SYS_HAS_CPU_R5000 | |
658 | select SYS_HAS_CPU_R10000 if BROKEN | |
659 | select SYS_HAS_CPU_RM7000 | |
660 | select SYS_HAS_CPU_NEVADA | |
661 | select SYS_SUPPORTS_64BIT_KERNEL | |
662 | select SYS_SUPPORTS_BIG_ENDIAN | |
663 | help | |
664 | If you want this kernel to run on SGI O2 workstation, say Y here. | |
665 | ||
666 | config SIBYTE_CRHINE | |
667 | bool "Sibyte BCM91120C-CRhine" | |
668 | select BOOT_ELF32 | |
669 | select DMA_COHERENT | |
670 | select SIBYTE_BCM1120 | |
671 | select SWAP_IO_SPACE | |
672 | select SYS_HAS_CPU_SB1 | |
673 | select SYS_SUPPORTS_BIG_ENDIAN | |
674 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
675 | ||
676 | config SIBYTE_CARMEL | |
677 | bool "Sibyte BCM91120x-Carmel" | |
678 | select BOOT_ELF32 | |
679 | select DMA_COHERENT | |
680 | select SIBYTE_BCM1120 | |
681 | select SWAP_IO_SPACE | |
682 | select SYS_HAS_CPU_SB1 | |
683 | select SYS_SUPPORTS_BIG_ENDIAN | |
684 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
685 | ||
686 | config SIBYTE_CRHONE | |
687 | bool "Sibyte BCM91125C-CRhone" | |
688 | select BOOT_ELF32 | |
689 | select DMA_COHERENT | |
690 | select SIBYTE_BCM1125 | |
691 | select SWAP_IO_SPACE | |
692 | select SYS_HAS_CPU_SB1 | |
693 | select SYS_SUPPORTS_BIG_ENDIAN | |
694 | select SYS_SUPPORTS_HIGHMEM | |
695 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
696 | ||
697 | config SIBYTE_RHONE | |
698 | bool "Sibyte BCM91125E-Rhone" | |
699 | select BOOT_ELF32 | |
700 | select DMA_COHERENT | |
701 | select SIBYTE_BCM1125H | |
702 | select SWAP_IO_SPACE | |
703 | select SYS_HAS_CPU_SB1 | |
704 | select SYS_SUPPORTS_BIG_ENDIAN | |
705 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
706 | ||
707 | config SIBYTE_SWARM | |
708 | bool "Sibyte BCM91250A-SWARM" | |
709 | select BOOT_ELF32 | |
710 | select DMA_COHERENT | |
711 | select HAVE_PATA_PLATFORM | |
712 | select SIBYTE_SB1250 | |
713 | select SWAP_IO_SPACE | |
714 | select SYS_HAS_CPU_SB1 | |
715 | select SYS_SUPPORTS_BIG_ENDIAN | |
716 | select SYS_SUPPORTS_HIGHMEM | |
717 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
718 | select ZONE_DMA32 if 64BIT | |
719 | ||
720 | config SIBYTE_LITTLESUR | |
721 | bool "Sibyte BCM91250C2-LittleSur" | |
722 | select BOOT_ELF32 | |
723 | select DMA_COHERENT | |
724 | select HAVE_PATA_PLATFORM | |
725 | select SIBYTE_SB1250 | |
726 | select SWAP_IO_SPACE | |
727 | select SYS_HAS_CPU_SB1 | |
728 | select SYS_SUPPORTS_BIG_ENDIAN | |
729 | select SYS_SUPPORTS_HIGHMEM | |
730 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
731 | ||
732 | config SIBYTE_SENTOSA | |
733 | bool "Sibyte BCM91250E-Sentosa" | |
734 | select BOOT_ELF32 | |
735 | select DMA_COHERENT | |
736 | select SIBYTE_SB1250 | |
737 | select SWAP_IO_SPACE | |
738 | select SYS_HAS_CPU_SB1 | |
739 | select SYS_SUPPORTS_BIG_ENDIAN | |
740 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
741 | ||
742 | config SIBYTE_BIGSUR | |
743 | bool "Sibyte BCM91480B-BigSur" | |
744 | select BOOT_ELF32 | |
745 | select DMA_COHERENT | |
746 | select NR_CPUS_DEFAULT_4 | |
747 | select SIBYTE_BCM1x80 | |
748 | select SWAP_IO_SPACE | |
749 | select SYS_HAS_CPU_SB1 | |
750 | select SYS_SUPPORTS_BIG_ENDIAN | |
751 | select SYS_SUPPORTS_HIGHMEM | |
752 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
753 | select ZONE_DMA32 if 64BIT | |
754 | ||
755 | config SNI_RM | |
756 | bool "SNI RM200/300/400" | |
757 | select FW_ARC if CPU_LITTLE_ENDIAN | |
758 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
759 | select FW_SNIPROM if CPU_BIG_ENDIAN | |
760 | select ARCH_MAY_HAVE_PC_FDC | |
761 | select BOOT_ELF32 | |
762 | select CEVT_R4K | |
763 | select CSRC_R4K | |
764 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN | |
765 | select DMA_NONCOHERENT | |
766 | select GENERIC_ISA_DMA | |
767 | select HAVE_PCSPKR_PLATFORM | |
768 | select HW_HAS_EISA | |
769 | select HW_HAS_PCI | |
770 | select IRQ_CPU | |
771 | select I8253 | |
772 | select I8259 | |
773 | select ISA | |
774 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN | |
775 | select SYS_HAS_CPU_R4X00 | |
776 | select SYS_HAS_CPU_R5000 | |
777 | select SYS_HAS_CPU_R10000 | |
778 | select R5000_CPU_SCACHE | |
779 | select SYS_HAS_EARLY_PRINTK | |
780 | select SYS_SUPPORTS_32BIT_KERNEL | |
781 | select SYS_SUPPORTS_64BIT_KERNEL | |
782 | select SYS_SUPPORTS_BIG_ENDIAN | |
783 | select SYS_SUPPORTS_HIGHMEM | |
784 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
785 | help | |
786 | The SNI RM200/300/400 are MIPS-based machines manufactured by | |
787 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
788 | Technology and now in turn merged with Fujitsu. Say Y here to | |
789 | support this machine type. | |
790 | ||
791 | config MACH_TX39XX | |
792 | bool "Toshiba TX39 series based machines" | |
793 | ||
794 | config MACH_TX49XX | |
795 | bool "Toshiba TX49 series based machines" | |
796 | ||
797 | config MIKROTIK_RB532 | |
798 | bool "Mikrotik RB532 boards" | |
799 | select CEVT_R4K | |
800 | select CSRC_R4K | |
801 | select DMA_NONCOHERENT | |
802 | select HW_HAS_PCI | |
803 | select IRQ_CPU | |
804 | select SYS_HAS_CPU_MIPS32_R1 | |
805 | select SYS_SUPPORTS_32BIT_KERNEL | |
806 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
807 | select SWAP_IO_SPACE | |
808 | select BOOT_RAW | |
809 | select ARCH_REQUIRE_GPIOLIB | |
810 | select MIPS_L1_CACHE_SHIFT_4 | |
811 | help | |
812 | Support the Mikrotik(tm) RouterBoard 532 series, | |
813 | based on the IDT RC32434 SoC. | |
814 | ||
815 | config CAVIUM_OCTEON_SOC | |
816 | bool "Cavium Networks Octeon SoC based boards" | |
817 | select CEVT_R4K | |
818 | select ARCH_PHYS_ADDR_T_64BIT | |
819 | select DMA_COHERENT | |
820 | select SYS_SUPPORTS_64BIT_KERNEL | |
821 | select SYS_SUPPORTS_BIG_ENDIAN | |
822 | select EDAC_SUPPORT | |
823 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
824 | select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN | |
825 | select SYS_HAS_EARLY_PRINTK | |
826 | select SYS_HAS_CPU_CAVIUM_OCTEON | |
827 | select SWAP_IO_SPACE | |
828 | select HW_HAS_PCI | |
829 | select ZONE_DMA32 | |
830 | select HOLES_IN_ZONE | |
831 | select ARCH_REQUIRE_GPIOLIB | |
832 | select LIBFDT | |
833 | select USE_OF | |
834 | select ARCH_SPARSEMEM_ENABLE | |
835 | select SYS_SUPPORTS_SMP | |
836 | select NR_CPUS_DEFAULT_16 | |
837 | select BUILTIN_DTB | |
838 | select MTD_COMPLEX_MAPPINGS | |
839 | help | |
840 | This option supports all of the Octeon reference boards from Cavium | |
841 | Networks. It builds a kernel that dynamically determines the Octeon | |
842 | CPU type and supports all known board reference implementations. | |
843 | Some of the supported boards are: | |
844 | EBT3000 | |
845 | EBH3000 | |
846 | EBH3100 | |
847 | Thunder | |
848 | Kodama | |
849 | Hikari | |
850 | Say Y here for most Octeon reference boards. | |
851 | ||
852 | config NLM_XLR_BOARD | |
853 | bool "Netlogic XLR/XLS based systems" | |
854 | select BOOT_ELF32 | |
855 | select NLM_COMMON | |
856 | select SYS_HAS_CPU_XLR | |
857 | select SYS_SUPPORTS_SMP | |
858 | select HW_HAS_PCI | |
859 | select SWAP_IO_SPACE | |
860 | select SYS_SUPPORTS_32BIT_KERNEL | |
861 | select SYS_SUPPORTS_64BIT_KERNEL | |
862 | select ARCH_PHYS_ADDR_T_64BIT | |
863 | select SYS_SUPPORTS_BIG_ENDIAN | |
864 | select SYS_SUPPORTS_HIGHMEM | |
865 | select DMA_COHERENT | |
866 | select NR_CPUS_DEFAULT_32 | |
867 | select CEVT_R4K | |
868 | select CSRC_R4K | |
869 | select IRQ_CPU | |
870 | select ZONE_DMA32 if 64BIT | |
871 | select SYNC_R4K | |
872 | select SYS_HAS_EARLY_PRINTK | |
873 | select SYS_SUPPORTS_ZBOOT | |
874 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
875 | help | |
876 | Support for systems based on Netlogic XLR and XLS processors. | |
877 | Say Y here if you have a XLR or XLS based board. | |
878 | ||
879 | config NLM_XLP_BOARD | |
880 | bool "Netlogic XLP based systems" | |
881 | select BOOT_ELF32 | |
882 | select NLM_COMMON | |
883 | select SYS_HAS_CPU_XLP | |
884 | select SYS_SUPPORTS_SMP | |
885 | select HW_HAS_PCI | |
886 | select SYS_SUPPORTS_32BIT_KERNEL | |
887 | select SYS_SUPPORTS_64BIT_KERNEL | |
888 | select ARCH_PHYS_ADDR_T_64BIT | |
889 | select SYS_SUPPORTS_BIG_ENDIAN | |
890 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
891 | select SYS_SUPPORTS_HIGHMEM | |
892 | select DMA_COHERENT | |
893 | select NR_CPUS_DEFAULT_32 | |
894 | select CEVT_R4K | |
895 | select CSRC_R4K | |
896 | select IRQ_CPU | |
897 | select ZONE_DMA32 if 64BIT | |
898 | select SYNC_R4K | |
899 | select SYS_HAS_EARLY_PRINTK | |
900 | select USE_OF | |
901 | select SYS_SUPPORTS_ZBOOT | |
902 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
903 | help | |
904 | This board is based on Netlogic XLP Processor. | |
905 | Say Y here if you have a XLP based board. | |
906 | ||
907 | config MIPS_PARAVIRT | |
908 | bool "Para-Virtualized guest system" | |
909 | select CEVT_R4K | |
910 | select CSRC_R4K | |
911 | select DMA_COHERENT | |
912 | select SYS_SUPPORTS_64BIT_KERNEL | |
913 | select SYS_SUPPORTS_32BIT_KERNEL | |
914 | select SYS_SUPPORTS_BIG_ENDIAN | |
915 | select SYS_SUPPORTS_SMP | |
916 | select NR_CPUS_DEFAULT_4 | |
917 | select SYS_HAS_EARLY_PRINTK | |
918 | select SYS_HAS_CPU_MIPS32_R2 | |
919 | select SYS_HAS_CPU_MIPS64_R2 | |
920 | select SYS_HAS_CPU_CAVIUM_OCTEON | |
921 | select HW_HAS_PCI | |
922 | select SWAP_IO_SPACE | |
923 | help | |
924 | This option supports guest running under ???? | |
925 | ||
926 | endchoice | |
927 | ||
928 | source "arch/mips/alchemy/Kconfig" | |
929 | source "arch/mips/ath25/Kconfig" | |
930 | source "arch/mips/ath79/Kconfig" | |
931 | source "arch/mips/bcm47xx/Kconfig" | |
932 | source "arch/mips/bcm63xx/Kconfig" | |
933 | source "arch/mips/bmips/Kconfig" | |
934 | source "arch/mips/jazz/Kconfig" | |
935 | source "arch/mips/jz4740/Kconfig" | |
936 | source "arch/mips/lantiq/Kconfig" | |
937 | source "arch/mips/lasat/Kconfig" | |
938 | source "arch/mips/pmcs-msp71xx/Kconfig" | |
939 | source "arch/mips/ralink/Kconfig" | |
940 | source "arch/mips/sgi-ip27/Kconfig" | |
941 | source "arch/mips/sibyte/Kconfig" | |
942 | source "arch/mips/txx9/Kconfig" | |
943 | source "arch/mips/vr41xx/Kconfig" | |
944 | source "arch/mips/cavium-octeon/Kconfig" | |
945 | source "arch/mips/loongson/Kconfig" | |
946 | source "arch/mips/loongson1/Kconfig" | |
947 | source "arch/mips/netlogic/Kconfig" | |
948 | source "arch/mips/paravirt/Kconfig" | |
949 | ||
950 | endmenu | |
951 | ||
952 | config RWSEM_GENERIC_SPINLOCK | |
953 | bool | |
954 | default y | |
955 | ||
956 | config RWSEM_XCHGADD_ALGORITHM | |
957 | bool | |
958 | ||
959 | config ARCH_HAS_ILOG2_U32 | |
960 | bool | |
961 | default n | |
962 | ||
963 | config ARCH_HAS_ILOG2_U64 | |
964 | bool | |
965 | default n | |
966 | ||
967 | config GENERIC_HWEIGHT | |
968 | bool | |
969 | default y | |
970 | ||
971 | config GENERIC_CALIBRATE_DELAY | |
972 | bool | |
973 | default y | |
974 | ||
975 | config SCHED_OMIT_FRAME_POINTER | |
976 | bool | |
977 | default y | |
978 | ||
979 | # | |
980 | # Select some configuration options automatically based on user selections. | |
981 | # | |
982 | config FW_ARC | |
983 | bool | |
984 | ||
985 | config ARCH_MAY_HAVE_PC_FDC | |
986 | bool | |
987 | ||
988 | config BOOT_RAW | |
989 | bool | |
990 | ||
991 | config CEVT_BCM1480 | |
992 | bool | |
993 | ||
994 | config CEVT_DS1287 | |
995 | bool | |
996 | ||
997 | config CEVT_GT641XX | |
998 | bool | |
999 | ||
1000 | config CEVT_R4K | |
1001 | bool | |
1002 | ||
1003 | config CEVT_SB1250 | |
1004 | bool | |
1005 | ||
1006 | config CEVT_TXX9 | |
1007 | bool | |
1008 | ||
1009 | config CSRC_BCM1480 | |
1010 | bool | |
1011 | ||
1012 | config CSRC_IOASIC | |
1013 | bool | |
1014 | ||
1015 | config CSRC_R4K | |
1016 | bool | |
1017 | ||
1018 | config CSRC_SB1250 | |
1019 | bool | |
1020 | ||
1021 | config GPIO_TXX9 | |
1022 | select ARCH_REQUIRE_GPIOLIB | |
1023 | bool | |
1024 | ||
1025 | config FW_CFE | |
1026 | bool | |
1027 | ||
1028 | config ARCH_DMA_ADDR_T_64BIT | |
1029 | def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT | |
1030 | ||
1031 | config DMA_MAYBE_COHERENT | |
1032 | select DMA_NONCOHERENT | |
1033 | bool | |
1034 | ||
1035 | config DMA_COHERENT | |
1036 | bool | |
1037 | ||
1038 | config DMA_NONCOHERENT | |
1039 | bool | |
1040 | select NEED_DMA_MAP_STATE | |
1041 | ||
1042 | config NEED_DMA_MAP_STATE | |
1043 | bool | |
1044 | ||
1045 | config SYS_HAS_EARLY_PRINTK | |
1046 | bool | |
1047 | ||
1048 | config HOTPLUG_CPU | |
1049 | bool "Support for hot-pluggable CPUs" | |
1050 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU | |
1051 | help | |
1052 | Say Y here to allow turning CPUs off and on. CPUs can be | |
1053 | controlled through /sys/devices/system/cpu. | |
1054 | (Note: power management support will enable this option | |
1055 | automatically on SMP systems. ) | |
1056 | Say N if you want to disable CPU hotplug. | |
1057 | ||
1058 | config SYS_SUPPORTS_HOTPLUG_CPU | |
1059 | bool | |
1060 | ||
1061 | config I8259 | |
1062 | bool | |
1063 | select IRQ_DOMAIN | |
1064 | ||
1065 | config MIPS_BONITO64 | |
1066 | bool | |
1067 | ||
1068 | config MIPS_MSC | |
1069 | bool | |
1070 | ||
1071 | config MIPS_NILE4 | |
1072 | bool | |
1073 | ||
1074 | config SYNC_R4K | |
1075 | bool | |
1076 | ||
1077 | config MIPS_MACHINE | |
1078 | def_bool n | |
1079 | ||
1080 | config NO_IOPORT_MAP | |
1081 | def_bool n | |
1082 | ||
1083 | config GENERIC_CSUM | |
1084 | bool | |
1085 | ||
1086 | config GENERIC_ISA_DMA | |
1087 | bool | |
1088 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
1089 | select ISA_DMA_API | |
1090 | ||
1091 | config GENERIC_ISA_DMA_SUPPORT_BROKEN | |
1092 | bool | |
1093 | select GENERIC_ISA_DMA | |
1094 | ||
1095 | config ISA_DMA_API | |
1096 | bool | |
1097 | ||
1098 | config HOLES_IN_ZONE | |
1099 | bool | |
1100 | ||
1101 | # | |
1102 | # Endianness selection. Sufficiently obscure so many users don't know what to | |
1103 | # answer,so we try hard to limit the available choices. Also the use of a | |
1104 | # choice statement should be more obvious to the user. | |
1105 | # | |
1106 | choice | |
1107 | prompt "Endianness selection" | |
1108 | help | |
1109 | Some MIPS machines can be configured for either little or big endian | |
1110 | byte order. These modes require different kernels and a different | |
1111 | Linux distribution. In general there is one preferred byteorder for a | |
1112 | particular system but some systems are just as commonly used in the | |
1113 | one or the other endianness. | |
1114 | ||
1115 | config CPU_BIG_ENDIAN | |
1116 | bool "Big endian" | |
1117 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
1118 | ||
1119 | config CPU_LITTLE_ENDIAN | |
1120 | bool "Little endian" | |
1121 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
1122 | ||
1123 | endchoice | |
1124 | ||
1125 | config EXPORT_UASM | |
1126 | bool | |
1127 | ||
1128 | config SYS_SUPPORTS_APM_EMULATION | |
1129 | bool | |
1130 | ||
1131 | config SYS_SUPPORTS_BIG_ENDIAN | |
1132 | bool | |
1133 | ||
1134 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
1135 | bool | |
1136 | ||
1137 | config SYS_SUPPORTS_HUGETLBFS | |
1138 | bool | |
1139 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1140 | default y | |
1141 | ||
1142 | config MIPS_HUGE_TLB_SUPPORT | |
1143 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1144 | ||
1145 | config IRQ_CPU | |
1146 | bool | |
1147 | select IRQ_DOMAIN | |
1148 | ||
1149 | config IRQ_CPU_RM7K | |
1150 | bool | |
1151 | ||
1152 | config IRQ_MSP_SLP | |
1153 | bool | |
1154 | ||
1155 | config IRQ_MSP_CIC | |
1156 | bool | |
1157 | ||
1158 | config IRQ_TXX9 | |
1159 | bool | |
1160 | ||
1161 | config IRQ_GT641XX | |
1162 | bool | |
1163 | ||
1164 | config PCI_GT64XXX_PCI0 | |
1165 | bool | |
1166 | ||
1167 | config NO_EXCEPT_FILL | |
1168 | bool | |
1169 | ||
1170 | config SOC_EMMA2RH | |
1171 | bool | |
1172 | select CEVT_R4K | |
1173 | select CSRC_R4K | |
1174 | select DMA_NONCOHERENT | |
1175 | select IRQ_CPU | |
1176 | select SWAP_IO_SPACE | |
1177 | select SYS_HAS_CPU_R5500 | |
1178 | select SYS_SUPPORTS_32BIT_KERNEL | |
1179 | select SYS_SUPPORTS_64BIT_KERNEL | |
1180 | select SYS_SUPPORTS_BIG_ENDIAN | |
1181 | ||
1182 | config SOC_PNX833X | |
1183 | bool | |
1184 | select CEVT_R4K | |
1185 | select CSRC_R4K | |
1186 | select IRQ_CPU | |
1187 | select DMA_NONCOHERENT | |
1188 | select SYS_HAS_CPU_MIPS32_R2 | |
1189 | select SYS_SUPPORTS_32BIT_KERNEL | |
1190 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1191 | select SYS_SUPPORTS_BIG_ENDIAN | |
1192 | select SYS_SUPPORTS_MIPS16 | |
1193 | select CPU_MIPSR2_IRQ_VI | |
1194 | ||
1195 | config SOC_PNX8335 | |
1196 | bool | |
1197 | select SOC_PNX833X | |
1198 | ||
1199 | config MIPS_SPRAM | |
1200 | bool | |
1201 | ||
1202 | config SWAP_IO_SPACE | |
1203 | bool | |
1204 | ||
1205 | config SGI_HAS_INDYDOG | |
1206 | bool | |
1207 | ||
1208 | config SGI_HAS_HAL2 | |
1209 | bool | |
1210 | ||
1211 | config SGI_HAS_SEEQ | |
1212 | bool | |
1213 | ||
1214 | config SGI_HAS_WD93 | |
1215 | bool | |
1216 | ||
1217 | config SGI_HAS_ZILOG | |
1218 | bool | |
1219 | ||
1220 | config SGI_HAS_I8042 | |
1221 | bool | |
1222 | ||
1223 | config DEFAULT_SGI_PARTITION | |
1224 | bool | |
1225 | ||
1226 | config FW_ARC32 | |
1227 | bool | |
1228 | ||
1229 | config FW_SNIPROM | |
1230 | bool | |
1231 | ||
1232 | config BOOT_ELF32 | |
1233 | bool | |
1234 | ||
1235 | config MIPS_L1_CACHE_SHIFT_4 | |
1236 | bool | |
1237 | ||
1238 | config MIPS_L1_CACHE_SHIFT_5 | |
1239 | bool | |
1240 | ||
1241 | config MIPS_L1_CACHE_SHIFT_6 | |
1242 | bool | |
1243 | ||
1244 | config MIPS_L1_CACHE_SHIFT_7 | |
1245 | bool | |
1246 | ||
1247 | config MIPS_L1_CACHE_SHIFT | |
1248 | int | |
1249 | default "7" if MIPS_L1_CACHE_SHIFT_7 | |
1250 | default "6" if MIPS_L1_CACHE_SHIFT_6 | |
1251 | default "5" if MIPS_L1_CACHE_SHIFT_5 | |
1252 | default "4" if MIPS_L1_CACHE_SHIFT_4 | |
1253 | default "5" | |
1254 | ||
1255 | config HAVE_STD_PC_SERIAL_PORT | |
1256 | bool | |
1257 | ||
1258 | config ARC_CONSOLE | |
1259 | bool "ARC console support" | |
1260 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) | |
1261 | ||
1262 | config ARC_MEMORY | |
1263 | bool | |
1264 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 | |
1265 | default y | |
1266 | ||
1267 | config ARC_PROMLIB | |
1268 | bool | |
1269 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 | |
1270 | default y | |
1271 | ||
1272 | config FW_ARC64 | |
1273 | bool | |
1274 | ||
1275 | config BOOT_ELF64 | |
1276 | bool | |
1277 | ||
1278 | menu "CPU selection" | |
1279 | ||
1280 | choice | |
1281 | prompt "CPU type" | |
1282 | default CPU_R4X00 | |
1283 | ||
1284 | config CPU_LOONGSON3 | |
1285 | bool "Loongson 3 CPU" | |
1286 | depends on SYS_HAS_CPU_LOONGSON3 | |
1287 | select CPU_SUPPORTS_64BIT_KERNEL | |
1288 | select CPU_SUPPORTS_HIGHMEM | |
1289 | select CPU_SUPPORTS_HUGEPAGES | |
1290 | select WEAK_ORDERING | |
1291 | select WEAK_REORDERING_BEYOND_LLSC | |
1292 | select ARCH_REQUIRE_GPIOLIB | |
1293 | help | |
1294 | The Loongson 3 processor implements the MIPS64R2 instruction | |
1295 | set with many extensions. | |
1296 | ||
1297 | config CPU_LOONGSON2E | |
1298 | bool "Loongson 2E" | |
1299 | depends on SYS_HAS_CPU_LOONGSON2E | |
1300 | select CPU_LOONGSON2 | |
1301 | help | |
1302 | The Loongson 2E processor implements the MIPS III instruction set | |
1303 | with many extensions. | |
1304 | ||
1305 | It has an internal FPGA northbridge, which is compatible to | |
1306 | bonito64. | |
1307 | ||
1308 | config CPU_LOONGSON2F | |
1309 | bool "Loongson 2F" | |
1310 | depends on SYS_HAS_CPU_LOONGSON2F | |
1311 | select CPU_LOONGSON2 | |
1312 | select ARCH_REQUIRE_GPIOLIB | |
1313 | help | |
1314 | The Loongson 2F processor implements the MIPS III instruction set | |
1315 | with many extensions. | |
1316 | ||
1317 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1318 | have a similar programming interface with FPGA northbridge used in | |
1319 | Loongson2E. | |
1320 | ||
1321 | config CPU_LOONGSON1B | |
1322 | bool "Loongson 1B" | |
1323 | depends on SYS_HAS_CPU_LOONGSON1B | |
1324 | select CPU_LOONGSON1 | |
1325 | help | |
1326 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1327 | release 2 instruction set. | |
1328 | ||
1329 | config CPU_MIPS32_R1 | |
1330 | bool "MIPS32 Release 1" | |
1331 | depends on SYS_HAS_CPU_MIPS32_R1 | |
1332 | select CPU_HAS_PREFETCH | |
1333 | select CPU_SUPPORTS_32BIT_KERNEL | |
1334 | select CPU_SUPPORTS_HIGHMEM | |
1335 | help | |
1336 | Choose this option to build a kernel for release 1 or later of the | |
1337 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
1338 | MIPS processor are based on a MIPS32 processor. If you know the | |
1339 | specific type of processor in your system, choose those that one | |
1340 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1341 | Release 2 of the MIPS32 architecture is available since several | |
1342 | years so chances are you even have a MIPS32 Release 2 processor | |
1343 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1344 | performance. | |
1345 | ||
1346 | config CPU_MIPS32_R2 | |
1347 | bool "MIPS32 Release 2" | |
1348 | depends on SYS_HAS_CPU_MIPS32_R2 | |
1349 | select CPU_HAS_PREFETCH | |
1350 | select CPU_SUPPORTS_32BIT_KERNEL | |
1351 | select CPU_SUPPORTS_HIGHMEM | |
1352 | select CPU_SUPPORTS_MSA | |
1353 | select HAVE_KVM | |
1354 | help | |
1355 | Choose this option to build a kernel for release 2 or later of the | |
1356 | MIPS32 architecture. Most modern embedded systems with a 32-bit | |
1357 | MIPS processor are based on a MIPS32 processor. If you know the | |
1358 | specific type of processor in your system, choose those that one | |
1359 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1360 | ||
1361 | config CPU_MIPS32_R6 | |
1362 | bool "MIPS32 Release 6 (EXPERIMENTAL)" | |
1363 | depends on SYS_HAS_CPU_MIPS32_R6 | |
1364 | select CPU_HAS_PREFETCH | |
1365 | select CPU_SUPPORTS_32BIT_KERNEL | |
1366 | select CPU_SUPPORTS_HIGHMEM | |
1367 | select CPU_SUPPORTS_MSA | |
1368 | select GENERIC_CSUM | |
1369 | select HAVE_KVM | |
1370 | select MIPS_O32_FP64_SUPPORT | |
1371 | help | |
1372 | Choose this option to build a kernel for release 6 or later of the | |
1373 | MIPS32 architecture. New MIPS processors, starting with the Warrior | |
1374 | family, are based on a MIPS32r6 processor. If you own an older | |
1375 | processor, you probably need to select MIPS32r1 or MIPS32r2 instead. | |
1376 | ||
1377 | config CPU_MIPS64_R1 | |
1378 | bool "MIPS64 Release 1" | |
1379 | depends on SYS_HAS_CPU_MIPS64_R1 | |
1380 | select CPU_HAS_PREFETCH | |
1381 | select CPU_SUPPORTS_32BIT_KERNEL | |
1382 | select CPU_SUPPORTS_64BIT_KERNEL | |
1383 | select CPU_SUPPORTS_HIGHMEM | |
1384 | select CPU_SUPPORTS_HUGEPAGES | |
1385 | help | |
1386 | Choose this option to build a kernel for release 1 or later of the | |
1387 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1388 | MIPS processor are based on a MIPS64 processor. If you know the | |
1389 | specific type of processor in your system, choose those that one | |
1390 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1391 | Release 2 of the MIPS64 architecture is available since several | |
1392 | years so chances are you even have a MIPS64 Release 2 processor | |
1393 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1394 | performance. | |
1395 | ||
1396 | config CPU_MIPS64_R2 | |
1397 | bool "MIPS64 Release 2" | |
1398 | depends on SYS_HAS_CPU_MIPS64_R2 | |
1399 | select CPU_HAS_PREFETCH | |
1400 | select CPU_SUPPORTS_32BIT_KERNEL | |
1401 | select CPU_SUPPORTS_64BIT_KERNEL | |
1402 | select CPU_SUPPORTS_HIGHMEM | |
1403 | select CPU_SUPPORTS_HUGEPAGES | |
1404 | select CPU_SUPPORTS_MSA | |
1405 | help | |
1406 | Choose this option to build a kernel for release 2 or later of the | |
1407 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1408 | MIPS processor are based on a MIPS64 processor. If you know the | |
1409 | specific type of processor in your system, choose those that one | |
1410 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1411 | ||
1412 | config CPU_MIPS64_R6 | |
1413 | bool "MIPS64 Release 6 (EXPERIMENTAL)" | |
1414 | depends on SYS_HAS_CPU_MIPS64_R6 | |
1415 | select CPU_HAS_PREFETCH | |
1416 | select CPU_SUPPORTS_32BIT_KERNEL | |
1417 | select CPU_SUPPORTS_64BIT_KERNEL | |
1418 | select CPU_SUPPORTS_HIGHMEM | |
1419 | select CPU_SUPPORTS_MSA | |
1420 | select GENERIC_CSUM | |
1421 | help | |
1422 | Choose this option to build a kernel for release 6 or later of the | |
1423 | MIPS64 architecture. New MIPS processors, starting with the Warrior | |
1424 | family, are based on a MIPS64r6 processor. If you own an older | |
1425 | processor, you probably need to select MIPS64r1 or MIPS64r2 instead. | |
1426 | ||
1427 | config CPU_R3000 | |
1428 | bool "R3000" | |
1429 | depends on SYS_HAS_CPU_R3000 | |
1430 | select CPU_HAS_WB | |
1431 | select CPU_SUPPORTS_32BIT_KERNEL | |
1432 | select CPU_SUPPORTS_HIGHMEM | |
1433 | help | |
1434 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1435 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1436 | *not* work on R4000 machines and vice versa. However, since most | |
1437 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1438 | might be a safe bet. If the resulting kernel does not work, | |
1439 | try to recompile with R3000. | |
1440 | ||
1441 | config CPU_TX39XX | |
1442 | bool "R39XX" | |
1443 | depends on SYS_HAS_CPU_TX39XX | |
1444 | select CPU_SUPPORTS_32BIT_KERNEL | |
1445 | ||
1446 | config CPU_VR41XX | |
1447 | bool "R41xx" | |
1448 | depends on SYS_HAS_CPU_VR41XX | |
1449 | select CPU_SUPPORTS_32BIT_KERNEL | |
1450 | select CPU_SUPPORTS_64BIT_KERNEL | |
1451 | help | |
1452 | The options selects support for the NEC VR4100 series of processors. | |
1453 | Only choose this option if you have one of these processors as a | |
1454 | kernel built with this option will not run on any other type of | |
1455 | processor or vice versa. | |
1456 | ||
1457 | config CPU_R4300 | |
1458 | bool "R4300" | |
1459 | depends on SYS_HAS_CPU_R4300 | |
1460 | select CPU_SUPPORTS_32BIT_KERNEL | |
1461 | select CPU_SUPPORTS_64BIT_KERNEL | |
1462 | help | |
1463 | MIPS Technologies R4300-series processors. | |
1464 | ||
1465 | config CPU_R4X00 | |
1466 | bool "R4x00" | |
1467 | depends on SYS_HAS_CPU_R4X00 | |
1468 | select CPU_SUPPORTS_32BIT_KERNEL | |
1469 | select CPU_SUPPORTS_64BIT_KERNEL | |
1470 | select CPU_SUPPORTS_HUGEPAGES | |
1471 | help | |
1472 | MIPS Technologies R4000-series processors other than 4300, including | |
1473 | the R4000, R4400, R4600, and 4700. | |
1474 | ||
1475 | config CPU_TX49XX | |
1476 | bool "R49XX" | |
1477 | depends on SYS_HAS_CPU_TX49XX | |
1478 | select CPU_HAS_PREFETCH | |
1479 | select CPU_SUPPORTS_32BIT_KERNEL | |
1480 | select CPU_SUPPORTS_64BIT_KERNEL | |
1481 | select CPU_SUPPORTS_HUGEPAGES | |
1482 | ||
1483 | config CPU_R5000 | |
1484 | bool "R5000" | |
1485 | depends on SYS_HAS_CPU_R5000 | |
1486 | select CPU_SUPPORTS_32BIT_KERNEL | |
1487 | select CPU_SUPPORTS_64BIT_KERNEL | |
1488 | select CPU_SUPPORTS_HUGEPAGES | |
1489 | help | |
1490 | MIPS Technologies R5000-series processors other than the Nevada. | |
1491 | ||
1492 | config CPU_R5432 | |
1493 | bool "R5432" | |
1494 | depends on SYS_HAS_CPU_R5432 | |
1495 | select CPU_SUPPORTS_32BIT_KERNEL | |
1496 | select CPU_SUPPORTS_64BIT_KERNEL | |
1497 | select CPU_SUPPORTS_HUGEPAGES | |
1498 | ||
1499 | config CPU_R5500 | |
1500 | bool "R5500" | |
1501 | depends on SYS_HAS_CPU_R5500 | |
1502 | select CPU_SUPPORTS_32BIT_KERNEL | |
1503 | select CPU_SUPPORTS_64BIT_KERNEL | |
1504 | select CPU_SUPPORTS_HUGEPAGES | |
1505 | help | |
1506 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1507 | instruction set. | |
1508 | ||
1509 | config CPU_R6000 | |
1510 | bool "R6000" | |
1511 | depends on SYS_HAS_CPU_R6000 | |
1512 | select CPU_SUPPORTS_32BIT_KERNEL | |
1513 | help | |
1514 | MIPS Technologies R6000 and R6000A series processors. Note these | |
1515 | processors are extremely rare and the support for them is incomplete. | |
1516 | ||
1517 | config CPU_NEVADA | |
1518 | bool "RM52xx" | |
1519 | depends on SYS_HAS_CPU_NEVADA | |
1520 | select CPU_SUPPORTS_32BIT_KERNEL | |
1521 | select CPU_SUPPORTS_64BIT_KERNEL | |
1522 | select CPU_SUPPORTS_HUGEPAGES | |
1523 | help | |
1524 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1525 | ||
1526 | config CPU_R8000 | |
1527 | bool "R8000" | |
1528 | depends on SYS_HAS_CPU_R8000 | |
1529 | select CPU_HAS_PREFETCH | |
1530 | select CPU_SUPPORTS_64BIT_KERNEL | |
1531 | help | |
1532 | MIPS Technologies R8000 processors. Note these processors are | |
1533 | uncommon and the support for them is incomplete. | |
1534 | ||
1535 | config CPU_R10000 | |
1536 | bool "R10000" | |
1537 | depends on SYS_HAS_CPU_R10000 | |
1538 | select CPU_HAS_PREFETCH | |
1539 | select CPU_SUPPORTS_32BIT_KERNEL | |
1540 | select CPU_SUPPORTS_64BIT_KERNEL | |
1541 | select CPU_SUPPORTS_HIGHMEM | |
1542 | select CPU_SUPPORTS_HUGEPAGES | |
1543 | help | |
1544 | MIPS Technologies R10000-series processors. | |
1545 | ||
1546 | config CPU_RM7000 | |
1547 | bool "RM7000" | |
1548 | depends on SYS_HAS_CPU_RM7000 | |
1549 | select CPU_HAS_PREFETCH | |
1550 | select CPU_SUPPORTS_32BIT_KERNEL | |
1551 | select CPU_SUPPORTS_64BIT_KERNEL | |
1552 | select CPU_SUPPORTS_HIGHMEM | |
1553 | select CPU_SUPPORTS_HUGEPAGES | |
1554 | ||
1555 | config CPU_SB1 | |
1556 | bool "SB1" | |
1557 | depends on SYS_HAS_CPU_SB1 | |
1558 | select CPU_SUPPORTS_32BIT_KERNEL | |
1559 | select CPU_SUPPORTS_64BIT_KERNEL | |
1560 | select CPU_SUPPORTS_HIGHMEM | |
1561 | select CPU_SUPPORTS_HUGEPAGES | |
1562 | select WEAK_ORDERING | |
1563 | ||
1564 | config CPU_CAVIUM_OCTEON | |
1565 | bool "Cavium Octeon processor" | |
1566 | depends on SYS_HAS_CPU_CAVIUM_OCTEON | |
1567 | select CPU_HAS_PREFETCH | |
1568 | select CPU_SUPPORTS_64BIT_KERNEL | |
1569 | select WEAK_ORDERING | |
1570 | select CPU_SUPPORTS_HIGHMEM | |
1571 | select CPU_SUPPORTS_HUGEPAGES | |
1572 | select USB_EHCI_BIG_ENDIAN_MMIO | |
1573 | select MIPS_L1_CACHE_SHIFT_7 | |
1574 | help | |
1575 | The Cavium Octeon processor is a highly integrated chip containing | |
1576 | many ethernet hardware widgets for networking tasks. The processor | |
1577 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1578 | Full details can be found at http://www.caviumnetworks.com. | |
1579 | ||
1580 | config CPU_BMIPS | |
1581 | bool "Broadcom BMIPS" | |
1582 | depends on SYS_HAS_CPU_BMIPS | |
1583 | select CPU_MIPS32 | |
1584 | select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 | |
1585 | select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 | |
1586 | select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 | |
1587 | select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 | |
1588 | select CPU_SUPPORTS_32BIT_KERNEL | |
1589 | select DMA_NONCOHERENT | |
1590 | select IRQ_CPU | |
1591 | select SWAP_IO_SPACE | |
1592 | select WEAK_ORDERING | |
1593 | select CPU_SUPPORTS_HIGHMEM | |
1594 | select CPU_HAS_PREFETCH | |
1595 | help | |
1596 | Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. | |
1597 | ||
1598 | config CPU_XLR | |
1599 | bool "Netlogic XLR SoC" | |
1600 | depends on SYS_HAS_CPU_XLR | |
1601 | select CPU_SUPPORTS_32BIT_KERNEL | |
1602 | select CPU_SUPPORTS_64BIT_KERNEL | |
1603 | select CPU_SUPPORTS_HIGHMEM | |
1604 | select CPU_SUPPORTS_HUGEPAGES | |
1605 | select WEAK_ORDERING | |
1606 | select WEAK_REORDERING_BEYOND_LLSC | |
1607 | help | |
1608 | Netlogic Microsystems XLR/XLS processors. | |
1609 | ||
1610 | config CPU_XLP | |
1611 | bool "Netlogic XLP SoC" | |
1612 | depends on SYS_HAS_CPU_XLP | |
1613 | select CPU_SUPPORTS_32BIT_KERNEL | |
1614 | select CPU_SUPPORTS_64BIT_KERNEL | |
1615 | select CPU_SUPPORTS_HIGHMEM | |
1616 | select WEAK_ORDERING | |
1617 | select WEAK_REORDERING_BEYOND_LLSC | |
1618 | select CPU_HAS_PREFETCH | |
1619 | select CPU_MIPSR2 | |
1620 | select CPU_SUPPORTS_HUGEPAGES | |
1621 | help | |
1622 | Netlogic Microsystems XLP processors. | |
1623 | endchoice | |
1624 | ||
1625 | config CPU_MIPS32_3_5_FEATURES | |
1626 | bool "MIPS32 Release 3.5 Features" | |
1627 | depends on SYS_HAS_CPU_MIPS32_R3_5 | |
1628 | depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 | |
1629 | help | |
1630 | Choose this option to build a kernel for release 2 or later of the | |
1631 | MIPS32 architecture including features from the 3.5 release such as | |
1632 | support for Enhanced Virtual Addressing (EVA). | |
1633 | ||
1634 | config CPU_MIPS32_3_5_EVA | |
1635 | bool "Enhanced Virtual Addressing (EVA)" | |
1636 | depends on CPU_MIPS32_3_5_FEATURES | |
1637 | select EVA | |
1638 | default y | |
1639 | help | |
1640 | Choose this option if you want to enable the Enhanced Virtual | |
1641 | Addressing (EVA) on your MIPS32 core (such as proAptiv). | |
1642 | One of its primary benefits is an increase in the maximum size | |
1643 | of lowmem (up to 3GB). If unsure, say 'N' here. | |
1644 | ||
1645 | config CPU_MIPS32_R5_FEATURES | |
1646 | bool "MIPS32 Release 5 Features" | |
1647 | depends on SYS_HAS_CPU_MIPS32_R5 | |
1648 | depends on CPU_MIPS32_R2 | |
1649 | help | |
1650 | Choose this option to build a kernel for release 2 or later of the | |
1651 | MIPS32 architecture including features from release 5 such as | |
1652 | support for Extended Physical Addressing (XPA). | |
1653 | ||
1654 | config CPU_MIPS32_R5_XPA | |
1655 | bool "Extended Physical Addressing (XPA)" | |
1656 | depends on CPU_MIPS32_R5_FEATURES | |
1657 | depends on !EVA | |
1658 | depends on !PAGE_SIZE_4KB | |
1659 | depends on SYS_SUPPORTS_HIGHMEM | |
1660 | select XPA | |
1661 | select HIGHMEM | |
1662 | select ARCH_PHYS_ADDR_T_64BIT | |
1663 | default n | |
1664 | help | |
1665 | Choose this option if you want to enable the Extended Physical | |
1666 | Addressing (XPA) on your MIPS32 core (such as P5600 series). The | |
1667 | benefit is to increase physical addressing equal to or greater | |
1668 | than 40 bits. Note that this has the side effect of turning on | |
1669 | 64-bit addressing which in turn makes the PTEs 64-bit in size. | |
1670 | If unsure, say 'N' here. | |
1671 | ||
1672 | if CPU_LOONGSON2F | |
1673 | config CPU_NOP_WORKAROUNDS | |
1674 | bool | |
1675 | ||
1676 | config CPU_JUMP_WORKAROUNDS | |
1677 | bool | |
1678 | ||
1679 | config CPU_LOONGSON2F_WORKAROUNDS | |
1680 | bool "Loongson 2F Workarounds" | |
1681 | default y | |
1682 | select CPU_NOP_WORKAROUNDS | |
1683 | select CPU_JUMP_WORKAROUNDS | |
1684 | help | |
1685 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1686 | require workarounds. Without workarounds the system may hang | |
1687 | unexpectedly. For more information please refer to the gas | |
1688 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1689 | ||
1690 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1691 | are needed. The workarounds have no significant side effect on them | |
1692 | but may decrease the performance of the system so this option should | |
1693 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1694 | systems. | |
1695 | ||
1696 | If unsure, please say Y. | |
1697 | endif # CPU_LOONGSON2F | |
1698 | ||
1699 | config SYS_SUPPORTS_ZBOOT | |
1700 | bool | |
1701 | select HAVE_KERNEL_GZIP | |
1702 | select HAVE_KERNEL_BZIP2 | |
1703 | select HAVE_KERNEL_LZ4 | |
1704 | select HAVE_KERNEL_LZMA | |
1705 | select HAVE_KERNEL_LZO | |
1706 | select HAVE_KERNEL_XZ | |
1707 | ||
1708 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1709 | bool | |
1710 | select SYS_SUPPORTS_ZBOOT | |
1711 | ||
1712 | config CPU_LOONGSON2 | |
1713 | bool | |
1714 | select CPU_SUPPORTS_32BIT_KERNEL | |
1715 | select CPU_SUPPORTS_64BIT_KERNEL | |
1716 | select CPU_SUPPORTS_HIGHMEM | |
1717 | select CPU_SUPPORTS_HUGEPAGES | |
1718 | ||
1719 | config CPU_LOONGSON1 | |
1720 | bool | |
1721 | select CPU_MIPS32 | |
1722 | select CPU_MIPSR2 | |
1723 | select CPU_HAS_PREFETCH | |
1724 | select CPU_SUPPORTS_32BIT_KERNEL | |
1725 | select CPU_SUPPORTS_HIGHMEM | |
1726 | select CPU_SUPPORTS_CPUFREQ | |
1727 | ||
1728 | config CPU_BMIPS32_3300 | |
1729 | select SMP_UP if SMP | |
1730 | bool | |
1731 | ||
1732 | config CPU_BMIPS4350 | |
1733 | bool | |
1734 | select SYS_SUPPORTS_SMP | |
1735 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1736 | ||
1737 | config CPU_BMIPS4380 | |
1738 | bool | |
1739 | select MIPS_L1_CACHE_SHIFT_6 | |
1740 | select SYS_SUPPORTS_SMP | |
1741 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1742 | ||
1743 | config CPU_BMIPS5000 | |
1744 | bool | |
1745 | select MIPS_CPU_SCACHE | |
1746 | select MIPS_L1_CACHE_SHIFT_7 | |
1747 | select SYS_SUPPORTS_SMP | |
1748 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1749 | ||
1750 | config SYS_HAS_CPU_LOONGSON3 | |
1751 | bool | |
1752 | select CPU_SUPPORTS_CPUFREQ | |
1753 | ||
1754 | config SYS_HAS_CPU_LOONGSON2E | |
1755 | bool | |
1756 | ||
1757 | config SYS_HAS_CPU_LOONGSON2F | |
1758 | bool | |
1759 | select CPU_SUPPORTS_CPUFREQ | |
1760 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
1761 | select CPU_SUPPORTS_UNCACHED_ACCELERATED | |
1762 | ||
1763 | config SYS_HAS_CPU_LOONGSON1B | |
1764 | bool | |
1765 | ||
1766 | config SYS_HAS_CPU_MIPS32_R1 | |
1767 | bool | |
1768 | ||
1769 | config SYS_HAS_CPU_MIPS32_R2 | |
1770 | bool | |
1771 | ||
1772 | config SYS_HAS_CPU_MIPS32_R3_5 | |
1773 | bool | |
1774 | ||
1775 | config SYS_HAS_CPU_MIPS32_R5 | |
1776 | bool | |
1777 | ||
1778 | config SYS_HAS_CPU_MIPS32_R6 | |
1779 | bool | |
1780 | ||
1781 | config SYS_HAS_CPU_MIPS64_R1 | |
1782 | bool | |
1783 | ||
1784 | config SYS_HAS_CPU_MIPS64_R2 | |
1785 | bool | |
1786 | ||
1787 | config SYS_HAS_CPU_MIPS64_R6 | |
1788 | bool | |
1789 | ||
1790 | config SYS_HAS_CPU_R3000 | |
1791 | bool | |
1792 | ||
1793 | config SYS_HAS_CPU_TX39XX | |
1794 | bool | |
1795 | ||
1796 | config SYS_HAS_CPU_VR41XX | |
1797 | bool | |
1798 | ||
1799 | config SYS_HAS_CPU_R4300 | |
1800 | bool | |
1801 | ||
1802 | config SYS_HAS_CPU_R4X00 | |
1803 | bool | |
1804 | ||
1805 | config SYS_HAS_CPU_TX49XX | |
1806 | bool | |
1807 | ||
1808 | config SYS_HAS_CPU_R5000 | |
1809 | bool | |
1810 | ||
1811 | config SYS_HAS_CPU_R5432 | |
1812 | bool | |
1813 | ||
1814 | config SYS_HAS_CPU_R5500 | |
1815 | bool | |
1816 | ||
1817 | config SYS_HAS_CPU_R6000 | |
1818 | bool | |
1819 | ||
1820 | config SYS_HAS_CPU_NEVADA | |
1821 | bool | |
1822 | ||
1823 | config SYS_HAS_CPU_R8000 | |
1824 | bool | |
1825 | ||
1826 | config SYS_HAS_CPU_R10000 | |
1827 | bool | |
1828 | ||
1829 | config SYS_HAS_CPU_RM7000 | |
1830 | bool | |
1831 | ||
1832 | config SYS_HAS_CPU_SB1 | |
1833 | bool | |
1834 | ||
1835 | config SYS_HAS_CPU_CAVIUM_OCTEON | |
1836 | bool | |
1837 | ||
1838 | config SYS_HAS_CPU_BMIPS | |
1839 | bool | |
1840 | ||
1841 | config SYS_HAS_CPU_BMIPS32_3300 | |
1842 | bool | |
1843 | select SYS_HAS_CPU_BMIPS | |
1844 | ||
1845 | config SYS_HAS_CPU_BMIPS4350 | |
1846 | bool | |
1847 | select SYS_HAS_CPU_BMIPS | |
1848 | ||
1849 | config SYS_HAS_CPU_BMIPS4380 | |
1850 | bool | |
1851 | select SYS_HAS_CPU_BMIPS | |
1852 | ||
1853 | config SYS_HAS_CPU_BMIPS5000 | |
1854 | bool | |
1855 | select SYS_HAS_CPU_BMIPS | |
1856 | ||
1857 | config SYS_HAS_CPU_XLR | |
1858 | bool | |
1859 | ||
1860 | config SYS_HAS_CPU_XLP | |
1861 | bool | |
1862 | ||
1863 | config MIPS_MALTA_PM | |
1864 | depends on MIPS_MALTA | |
1865 | depends on PCI | |
1866 | bool | |
1867 | default y | |
1868 | ||
1869 | # | |
1870 | # CPU may reorder R->R, R->W, W->R, W->W | |
1871 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1872 | # | |
1873 | config WEAK_ORDERING | |
1874 | bool | |
1875 | ||
1876 | # | |
1877 | # CPU may reorder reads and writes beyond LL/SC | |
1878 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1879 | # | |
1880 | config WEAK_REORDERING_BEYOND_LLSC | |
1881 | bool | |
1882 | endmenu | |
1883 | ||
1884 | # | |
1885 | # These two indicate any level of the MIPS32 and MIPS64 architecture | |
1886 | # | |
1887 | config CPU_MIPS32 | |
1888 | bool | |
1889 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 | |
1890 | ||
1891 | config CPU_MIPS64 | |
1892 | bool | |
1893 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 | |
1894 | ||
1895 | # | |
1896 | # These two indicate the revision of the architecture, either Release 1 or Release 2 | |
1897 | # | |
1898 | config CPU_MIPSR1 | |
1899 | bool | |
1900 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1901 | ||
1902 | config CPU_MIPSR2 | |
1903 | bool | |
1904 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON | |
1905 | select MIPS_SPRAM | |
1906 | ||
1907 | config CPU_MIPSR6 | |
1908 | bool | |
1909 | default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 | |
1910 | select MIPS_SPRAM | |
1911 | ||
1912 | config EVA | |
1913 | bool | |
1914 | ||
1915 | config XPA | |
1916 | bool | |
1917 | ||
1918 | config SYS_SUPPORTS_32BIT_KERNEL | |
1919 | bool | |
1920 | config SYS_SUPPORTS_64BIT_KERNEL | |
1921 | bool | |
1922 | config CPU_SUPPORTS_32BIT_KERNEL | |
1923 | bool | |
1924 | config CPU_SUPPORTS_64BIT_KERNEL | |
1925 | bool | |
1926 | config CPU_SUPPORTS_CPUFREQ | |
1927 | bool | |
1928 | config CPU_SUPPORTS_ADDRWINCFG | |
1929 | bool | |
1930 | config CPU_SUPPORTS_HUGEPAGES | |
1931 | bool | |
1932 | config CPU_SUPPORTS_UNCACHED_ACCELERATED | |
1933 | bool | |
1934 | config MIPS_PGD_C0_CONTEXT | |
1935 | bool | |
1936 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP | |
1937 | ||
1938 | # | |
1939 | # Set to y for ptrace access to watch registers. | |
1940 | # | |
1941 | config HARDWARE_WATCHPOINTS | |
1942 | bool | |
1943 | default y if CPU_MIPSR1 || CPU_MIPSR2 | |
1944 | ||
1945 | menu "Kernel type" | |
1946 | ||
1947 | choice | |
1948 | prompt "Kernel code model" | |
1949 | help | |
1950 | You should only select this option if you have a workload that | |
1951 | actually benefits from 64-bit processing or if your machine has | |
1952 | large memory. You will only be presented a single option in this | |
1953 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1954 | ||
1955 | config 32BIT | |
1956 | bool "32-bit kernel" | |
1957 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1958 | select TRAD_SIGNALS | |
1959 | help | |
1960 | Select this option if you want to build a 32-bit kernel. | |
1961 | config 64BIT | |
1962 | bool "64-bit kernel" | |
1963 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1964 | help | |
1965 | Select this option if you want to build a 64-bit kernel. | |
1966 | ||
1967 | endchoice | |
1968 | ||
1969 | config KVM_GUEST | |
1970 | bool "KVM Guest Kernel" | |
1971 | depends on BROKEN_ON_SMP | |
1972 | help | |
1973 | Select this option if building a guest kernel for KVM (Trap & Emulate) mode | |
1974 | ||
1975 | config KVM_GUEST_TIMER_FREQ | |
1976 | int "Count/Compare Timer Frequency (MHz)" | |
1977 | depends on KVM_GUEST | |
1978 | default 100 | |
1979 | help | |
1980 | Set this to non-zero if building a guest kernel for KVM to skip RTC | |
1981 | emulation when determining guest CPU Frequency. Instead, the guest's | |
1982 | timer frequency is specified directly. | |
1983 | ||
1984 | choice | |
1985 | prompt "Kernel page size" | |
1986 | default PAGE_SIZE_4KB | |
1987 | ||
1988 | config PAGE_SIZE_4KB | |
1989 | bool "4kB" | |
1990 | depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 | |
1991 | help | |
1992 | This option select the standard 4kB Linux page size. On some | |
1993 | R3000-family processors this is the only available page size. Using | |
1994 | 4kB page size will minimize memory consumption and is therefore | |
1995 | recommended for low memory systems. | |
1996 | ||
1997 | config PAGE_SIZE_8KB | |
1998 | bool "8kB" | |
1999 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON | |
2000 | help | |
2001 | Using 8kB page size will result in higher performance kernel at | |
2002 | the price of higher memory consumption. This option is available | |
2003 | only on R8000 and cnMIPS processors. Note that you will need a | |
2004 | suitable Linux distribution to support this. | |
2005 | ||
2006 | config PAGE_SIZE_16KB | |
2007 | bool "16kB" | |
2008 | depends on !CPU_R3000 && !CPU_TX39XX | |
2009 | help | |
2010 | Using 16kB page size will result in higher performance kernel at | |
2011 | the price of higher memory consumption. This option is available on | |
2012 | all non-R3000 family processors. Note that you will need a suitable | |
2013 | Linux distribution to support this. | |
2014 | ||
2015 | config PAGE_SIZE_32KB | |
2016 | bool "32kB" | |
2017 | depends on CPU_CAVIUM_OCTEON | |
2018 | help | |
2019 | Using 32kB page size will result in higher performance kernel at | |
2020 | the price of higher memory consumption. This option is available | |
2021 | only on cnMIPS cores. Note that you will need a suitable Linux | |
2022 | distribution to support this. | |
2023 | ||
2024 | config PAGE_SIZE_64KB | |
2025 | bool "64kB" | |
2026 | depends on !CPU_R3000 && !CPU_TX39XX | |
2027 | help | |
2028 | Using 64kB page size will result in higher performance kernel at | |
2029 | the price of higher memory consumption. This option is available on | |
2030 | all non-R3000 family processor. Not that at the time of this | |
2031 | writing this option is still high experimental. | |
2032 | ||
2033 | endchoice | |
2034 | ||
2035 | config FORCE_MAX_ZONEORDER | |
2036 | int "Maximum zone order" | |
2037 | range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB | |
2038 | default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB | |
2039 | range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2040 | default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2041 | range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
2042 | default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
2043 | range 11 64 | |
2044 | default "11" | |
2045 | help | |
2046 | The kernel memory allocator divides physically contiguous memory | |
2047 | blocks into "zones", where each zone is a power of two number of | |
2048 | pages. This option selects the largest power of two that the kernel | |
2049 | keeps in the memory allocator. If you need to allocate very large | |
2050 | blocks of physically contiguous memory, then you may need to | |
2051 | increase this value. | |
2052 | ||
2053 | This config option is actually maximum order plus one. For example, | |
2054 | a value of 11 means that the largest free memory block is 2^10 pages. | |
2055 | ||
2056 | The page size is not necessarily 4KB. Keep this in mind | |
2057 | when choosing a value for this option. | |
2058 | ||
2059 | config BOARD_SCACHE | |
2060 | bool | |
2061 | ||
2062 | config IP22_CPU_SCACHE | |
2063 | bool | |
2064 | select BOARD_SCACHE | |
2065 | ||
2066 | # | |
2067 | # Support for a MIPS32 / MIPS64 style S-caches | |
2068 | # | |
2069 | config MIPS_CPU_SCACHE | |
2070 | bool | |
2071 | select BOARD_SCACHE | |
2072 | ||
2073 | config R5000_CPU_SCACHE | |
2074 | bool | |
2075 | select BOARD_SCACHE | |
2076 | ||
2077 | config RM7000_CPU_SCACHE | |
2078 | bool | |
2079 | select BOARD_SCACHE | |
2080 | ||
2081 | config SIBYTE_DMA_PAGEOPS | |
2082 | bool "Use DMA to clear/copy pages" | |
2083 | depends on CPU_SB1 | |
2084 | help | |
2085 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
2086 | channel. These DMA channels are otherwise unused by the standard | |
2087 | SiByte Linux port. Seems to give a small performance benefit. | |
2088 | ||
2089 | config CPU_HAS_PREFETCH | |
2090 | bool | |
2091 | ||
2092 | config CPU_GENERIC_DUMP_TLB | |
2093 | bool | |
2094 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
2095 | ||
2096 | config CPU_R4K_FPU | |
2097 | bool | |
2098 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2099 | ||
2100 | config CPU_R4K_CACHE_TLB | |
2101 | bool | |
2102 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2103 | ||
2104 | config MIPS_MT_SMP | |
2105 | bool "MIPS MT SMP support (1 TC on each available VPE)" | |
2106 | depends on SYS_SUPPORTS_MULTITHREADING | |
2107 | select CPU_MIPSR2_IRQ_VI | |
2108 | select CPU_MIPSR2_IRQ_EI | |
2109 | select SYNC_R4K | |
2110 | select MIPS_GIC_IPI | |
2111 | select MIPS_MT | |
2112 | select SMP | |
2113 | select SMP_UP | |
2114 | select SYS_SUPPORTS_SMP | |
2115 | select SYS_SUPPORTS_SCHED_SMT | |
2116 | select MIPS_PERF_SHARED_TC_COUNTERS | |
2117 | help | |
2118 | This is a kernel model which is known as SMVP. This is supported | |
2119 | on cores with the MT ASE and uses the available VPEs to implement | |
2120 | virtual processors which supports SMP. This is equivalent to the | |
2121 | Intel Hyperthreading feature. For further information go to | |
2122 | <http://www.imgtec.com/mips/mips-multithreading.asp>. | |
2123 | ||
2124 | config MIPS_MT | |
2125 | bool | |
2126 | ||
2127 | config SCHED_SMT | |
2128 | bool "SMT (multithreading) scheduler support" | |
2129 | depends on SYS_SUPPORTS_SCHED_SMT | |
2130 | default n | |
2131 | help | |
2132 | SMT scheduler support improves the CPU scheduler's decision making | |
2133 | when dealing with MIPS MT enabled cores at a cost of slightly | |
2134 | increased overhead in some places. If unsure say N here. | |
2135 | ||
2136 | config SYS_SUPPORTS_SCHED_SMT | |
2137 | bool | |
2138 | ||
2139 | config SYS_SUPPORTS_MULTITHREADING | |
2140 | bool | |
2141 | ||
2142 | config MIPS_MT_FPAFF | |
2143 | bool "Dynamic FPU affinity for FP-intensive threads" | |
2144 | default y | |
2145 | depends on MIPS_MT_SMP | |
2146 | ||
2147 | config MIPSR2_TO_R6_EMULATOR | |
2148 | bool "MIPS R2-to-R6 emulator" | |
2149 | depends on CPU_MIPSR6 && !SMP | |
2150 | default y | |
2151 | help | |
2152 | Choose this option if you want to run non-R6 MIPS userland code. | |
2153 | Even if you say 'Y' here, the emulator will still be disabled by | |
2154 | default. You can enable it using the 'mipsr2emu' kernel option. | |
2155 | The only reason this is a build-time option is to save ~14K from the | |
2156 | final kernel image. | |
2157 | comment "MIPS R2-to-R6 emulator is only available for UP kernels" | |
2158 | depends on SMP && CPU_MIPSR6 | |
2159 | ||
2160 | config MIPS_VPE_LOADER | |
2161 | bool "VPE loader support." | |
2162 | depends on SYS_SUPPORTS_MULTITHREADING && MODULES | |
2163 | select CPU_MIPSR2_IRQ_VI | |
2164 | select CPU_MIPSR2_IRQ_EI | |
2165 | select MIPS_MT | |
2166 | help | |
2167 | Includes a loader for loading an elf relocatable object | |
2168 | onto another VPE and running it. | |
2169 | ||
2170 | config MIPS_VPE_LOADER_CMP | |
2171 | bool | |
2172 | default "y" | |
2173 | depends on MIPS_VPE_LOADER && MIPS_CMP | |
2174 | ||
2175 | config MIPS_VPE_LOADER_MT | |
2176 | bool | |
2177 | default "y" | |
2178 | depends on MIPS_VPE_LOADER && !MIPS_CMP | |
2179 | ||
2180 | config MIPS_VPE_LOADER_TOM | |
2181 | bool "Load VPE program into memory hidden from linux" | |
2182 | depends on MIPS_VPE_LOADER | |
2183 | default y | |
2184 | help | |
2185 | The loader can use memory that is present but has been hidden from | |
2186 | Linux using the kernel command line option "mem=xxMB". It's up to | |
2187 | you to ensure the amount you put in the option and the space your | |
2188 | program requires is less or equal to the amount physically present. | |
2189 | ||
2190 | config MIPS_VPE_APSP_API | |
2191 | bool "Enable support for AP/SP API (RTLX)" | |
2192 | depends on MIPS_VPE_LOADER | |
2193 | help | |
2194 | ||
2195 | config MIPS_VPE_APSP_API_CMP | |
2196 | bool | |
2197 | default "y" | |
2198 | depends on MIPS_VPE_APSP_API && MIPS_CMP | |
2199 | ||
2200 | config MIPS_VPE_APSP_API_MT | |
2201 | bool | |
2202 | default "y" | |
2203 | depends on MIPS_VPE_APSP_API && !MIPS_CMP | |
2204 | ||
2205 | config MIPS_CMP | |
2206 | bool "MIPS CMP framework support (DEPRECATED)" | |
2207 | depends on SYS_SUPPORTS_MIPS_CMP | |
2208 | select MIPS_GIC_IPI | |
2209 | select SMP | |
2210 | select SYNC_R4K | |
2211 | select SYS_SUPPORTS_SMP | |
2212 | select WEAK_ORDERING | |
2213 | default n | |
2214 | help | |
2215 | Select this if you are using a bootloader which implements the "CMP | |
2216 | framework" protocol (ie. YAMON) and want your kernel to make use of | |
2217 | its ability to start secondary CPUs. | |
2218 | ||
2219 | Unless you have a specific need, you should use CONFIG_MIPS_CPS | |
2220 | instead of this. | |
2221 | ||
2222 | config MIPS_CPS | |
2223 | bool "MIPS Coherent Processing System support" | |
2224 | depends on SYS_SUPPORTS_MIPS_CPS && !64BIT | |
2225 | select MIPS_CM | |
2226 | select MIPS_CPC | |
2227 | select MIPS_CPS_PM if HOTPLUG_CPU | |
2228 | select MIPS_GIC_IPI | |
2229 | select SMP | |
2230 | select SYNC_R4K if (CEVT_R4K || CSRC_R4K) | |
2231 | select SYS_SUPPORTS_HOTPLUG_CPU | |
2232 | select SYS_SUPPORTS_SMP | |
2233 | select WEAK_ORDERING | |
2234 | help | |
2235 | Select this if you wish to run an SMP kernel across multiple cores | |
2236 | within a MIPS Coherent Processing System. When this option is | |
2237 | enabled the kernel will probe for other cores and boot them with | |
2238 | no external assistance. It is safe to enable this when hardware | |
2239 | support is unavailable. | |
2240 | ||
2241 | config MIPS_CPS_PM | |
2242 | depends on MIPS_CPS | |
2243 | select MIPS_CPC | |
2244 | bool | |
2245 | ||
2246 | config MIPS_GIC_IPI | |
2247 | bool | |
2248 | ||
2249 | config MIPS_CM | |
2250 | bool | |
2251 | ||
2252 | config MIPS_CPC | |
2253 | bool | |
2254 | ||
2255 | config SB1_PASS_1_WORKAROUNDS | |
2256 | bool | |
2257 | depends on CPU_SB1_PASS_1 | |
2258 | default y | |
2259 | ||
2260 | config SB1_PASS_2_WORKAROUNDS | |
2261 | bool | |
2262 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
2263 | default y | |
2264 | ||
2265 | config SB1_PASS_2_1_WORKAROUNDS | |
2266 | bool | |
2267 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
2268 | default y | |
2269 | ||
2270 | ||
2271 | config ARCH_PHYS_ADDR_T_64BIT | |
2272 | bool | |
2273 | ||
2274 | choice | |
2275 | prompt "SmartMIPS or microMIPS ASE support" | |
2276 | ||
2277 | config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS | |
2278 | bool "None" | |
2279 | help | |
2280 | Select this if you want neither microMIPS nor SmartMIPS support | |
2281 | ||
2282 | config CPU_HAS_SMARTMIPS | |
2283 | depends on SYS_SUPPORTS_SMARTMIPS | |
2284 | bool "SmartMIPS" | |
2285 | help | |
2286 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2287 | increased security at both hardware and software level for | |
2288 | smartcards. Enabling this option will allow proper use of the | |
2289 | SmartMIPS instructions by Linux applications. However a kernel with | |
2290 | this option will not work on a MIPS core without SmartMIPS core. If | |
2291 | you don't know you probably don't have SmartMIPS and should say N | |
2292 | here. | |
2293 | ||
2294 | config CPU_MICROMIPS | |
2295 | depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 | |
2296 | bool "microMIPS" | |
2297 | help | |
2298 | When this option is enabled the kernel will be built using the | |
2299 | microMIPS ISA | |
2300 | ||
2301 | endchoice | |
2302 | ||
2303 | config CPU_HAS_MSA | |
2304 | bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" | |
2305 | depends on CPU_SUPPORTS_MSA | |
2306 | depends on 64BIT || MIPS_O32_FP64_SUPPORT | |
2307 | help | |
2308 | MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers | |
2309 | and a set of SIMD instructions to operate on them. When this option | |
2310 | is enabled the kernel will support allocating & switching MSA | |
2311 | vector register contexts. If you know that your kernel will only be | |
2312 | running on CPUs which do not support MSA or that your userland will | |
2313 | not be making use of it then you may wish to say N here to reduce | |
2314 | the size & complexity of your kernel. | |
2315 | ||
2316 | If unsure, say Y. | |
2317 | ||
2318 | config CPU_HAS_WB | |
2319 | bool | |
2320 | ||
2321 | config XKS01 | |
2322 | bool | |
2323 | ||
2324 | # | |
2325 | # Vectored interrupt mode is an R2 feature | |
2326 | # | |
2327 | config CPU_MIPSR2_IRQ_VI | |
2328 | bool | |
2329 | ||
2330 | # | |
2331 | # Extended interrupt mode is an R2 feature | |
2332 | # | |
2333 | config CPU_MIPSR2_IRQ_EI | |
2334 | bool | |
2335 | ||
2336 | config CPU_HAS_SYNC | |
2337 | bool | |
2338 | depends on !CPU_R3000 | |
2339 | default y | |
2340 | ||
2341 | # | |
2342 | # CPU non-features | |
2343 | # | |
2344 | config CPU_DADDI_WORKAROUNDS | |
2345 | bool | |
2346 | ||
2347 | config CPU_R4000_WORKAROUNDS | |
2348 | bool | |
2349 | select CPU_R4400_WORKAROUNDS | |
2350 | ||
2351 | config CPU_R4400_WORKAROUNDS | |
2352 | bool | |
2353 | ||
2354 | # | |
2355 | # - Highmem only makes sense for the 32-bit kernel. | |
2356 | # - The current highmem code will only work properly on physically indexed | |
2357 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2358 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2359 | # moment we protect the user and offer the highmem option only on machines | |
2360 | # where it's known to be safe. This will not offer highmem on a few systems | |
2361 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2362 | # indexed CPUs but we're playing safe. | |
2363 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we | |
2364 | # know they might have memory configurations that could make use of highmem | |
2365 | # support. | |
2366 | # | |
2367 | config HIGHMEM | |
2368 | bool "High Memory Support" | |
2369 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA | |
2370 | ||
2371 | config CPU_SUPPORTS_HIGHMEM | |
2372 | bool | |
2373 | ||
2374 | config SYS_SUPPORTS_HIGHMEM | |
2375 | bool | |
2376 | ||
2377 | config SYS_SUPPORTS_SMARTMIPS | |
2378 | bool | |
2379 | ||
2380 | config SYS_SUPPORTS_MICROMIPS | |
2381 | bool | |
2382 | ||
2383 | config SYS_SUPPORTS_MIPS16 | |
2384 | bool | |
2385 | help | |
2386 | This option must be set if a kernel might be executed on a MIPS16- | |
2387 | enabled CPU even if MIPS16 is not actually being used. In other | |
2388 | words, it makes the kernel MIPS16-tolerant. | |
2389 | ||
2390 | config CPU_SUPPORTS_MSA | |
2391 | bool | |
2392 | ||
2393 | config ARCH_FLATMEM_ENABLE | |
2394 | def_bool y | |
2395 | depends on !NUMA && !CPU_LOONGSON2 | |
2396 | ||
2397 | config ARCH_DISCONTIGMEM_ENABLE | |
2398 | bool | |
2399 | default y if SGI_IP27 | |
2400 | help | |
2401 | Say Y to support efficient handling of discontiguous physical memory, | |
2402 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
2403 | or have huge holes in the physical address space for other reasons. | |
2404 | See <file:Documentation/vm/numa> for more. | |
2405 | ||
2406 | config ARCH_SPARSEMEM_ENABLE | |
2407 | bool | |
2408 | select SPARSEMEM_STATIC | |
2409 | ||
2410 | config NUMA | |
2411 | bool "NUMA Support" | |
2412 | depends on SYS_SUPPORTS_NUMA | |
2413 | help | |
2414 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2415 | Access). This option improves performance on systems with more | |
2416 | than two nodes; on two node systems it is generally better to | |
2417 | leave it disabled; on single node systems disable this option | |
2418 | disabled. | |
2419 | ||
2420 | config SYS_SUPPORTS_NUMA | |
2421 | bool | |
2422 | ||
2423 | config NODES_SHIFT | |
2424 | int | |
2425 | default "6" | |
2426 | depends on NEED_MULTIPLE_NODES | |
2427 | ||
2428 | config HW_PERF_EVENTS | |
2429 | bool "Enable hardware performance counter support for perf events" | |
2430 | depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) | |
2431 | default y | |
2432 | help | |
2433 | Enable hardware performance counter support for perf events. If | |
2434 | disabled, perf events will use software events only. | |
2435 | ||
2436 | source "mm/Kconfig" | |
2437 | ||
2438 | config SMP | |
2439 | bool "Multi-Processing support" | |
2440 | depends on SYS_SUPPORTS_SMP | |
2441 | help | |
2442 | This enables support for systems with more than one CPU. If you have | |
2443 | a system with only one CPU, say N. If you have a system with more | |
2444 | than one CPU, say Y. | |
2445 | ||
2446 | If you say N here, the kernel will run on uni- and multiprocessor | |
2447 | machines, but will use only one CPU of a multiprocessor machine. If | |
2448 | you say Y here, the kernel will run on many, but not all, | |
2449 | uniprocessor machines. On a uniprocessor machine, the kernel | |
2450 | will run faster if you say N here. | |
2451 | ||
2452 | People using multiprocessor machines who say Y here should also say | |
2453 | Y to "Enhanced Real Time Clock Support", below. | |
2454 | ||
2455 | See also the SMP-HOWTO available at | |
2456 | <http://www.tldp.org/docs.html#howto>. | |
2457 | ||
2458 | If you don't know what to do here, say N. | |
2459 | ||
2460 | config SMP_UP | |
2461 | bool | |
2462 | ||
2463 | config SYS_SUPPORTS_MIPS_CMP | |
2464 | bool | |
2465 | ||
2466 | config SYS_SUPPORTS_MIPS_CPS | |
2467 | bool | |
2468 | ||
2469 | config SYS_SUPPORTS_SMP | |
2470 | bool | |
2471 | ||
2472 | config NR_CPUS_DEFAULT_4 | |
2473 | bool | |
2474 | ||
2475 | config NR_CPUS_DEFAULT_8 | |
2476 | bool | |
2477 | ||
2478 | config NR_CPUS_DEFAULT_16 | |
2479 | bool | |
2480 | ||
2481 | config NR_CPUS_DEFAULT_32 | |
2482 | bool | |
2483 | ||
2484 | config NR_CPUS_DEFAULT_64 | |
2485 | bool | |
2486 | ||
2487 | config NR_CPUS | |
2488 | int "Maximum number of CPUs (2-256)" | |
2489 | range 2 256 | |
2490 | depends on SMP | |
2491 | default "4" if NR_CPUS_DEFAULT_4 | |
2492 | default "8" if NR_CPUS_DEFAULT_8 | |
2493 | default "16" if NR_CPUS_DEFAULT_16 | |
2494 | default "32" if NR_CPUS_DEFAULT_32 | |
2495 | default "64" if NR_CPUS_DEFAULT_64 | |
2496 | help | |
2497 | This allows you to specify the maximum number of CPUs which this | |
2498 | kernel will support. The maximum supported value is 32 for 32-bit | |
2499 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
2500 | sense is 1 for Qemu (useful only for kernel debugging purposes) | |
2501 | and 2 for all others. | |
2502 | ||
2503 | This is purely to save memory - each supported CPU adds | |
2504 | approximately eight kilobytes to the kernel image. For best | |
2505 | performance should round up your number of processors to the next | |
2506 | power of two. | |
2507 | ||
2508 | config MIPS_PERF_SHARED_TC_COUNTERS | |
2509 | bool | |
2510 | ||
2511 | # | |
2512 | # Timer Interrupt Frequency Configuration | |
2513 | # | |
2514 | ||
2515 | choice | |
2516 | prompt "Timer frequency" | |
2517 | default HZ_250 | |
2518 | help | |
2519 | Allows the configuration of the timer frequency. | |
2520 | ||
2521 | config HZ_48 | |
2522 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ | |
2523 | ||
2524 | config HZ_100 | |
2525 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2526 | ||
2527 | config HZ_128 | |
2528 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2529 | ||
2530 | config HZ_250 | |
2531 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2532 | ||
2533 | config HZ_256 | |
2534 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2535 | ||
2536 | config HZ_1000 | |
2537 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2538 | ||
2539 | config HZ_1024 | |
2540 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2541 | ||
2542 | endchoice | |
2543 | ||
2544 | config SYS_SUPPORTS_48HZ | |
2545 | bool | |
2546 | ||
2547 | config SYS_SUPPORTS_100HZ | |
2548 | bool | |
2549 | ||
2550 | config SYS_SUPPORTS_128HZ | |
2551 | bool | |
2552 | ||
2553 | config SYS_SUPPORTS_250HZ | |
2554 | bool | |
2555 | ||
2556 | config SYS_SUPPORTS_256HZ | |
2557 | bool | |
2558 | ||
2559 | config SYS_SUPPORTS_1000HZ | |
2560 | bool | |
2561 | ||
2562 | config SYS_SUPPORTS_1024HZ | |
2563 | bool | |
2564 | ||
2565 | config SYS_SUPPORTS_ARBIT_HZ | |
2566 | bool | |
2567 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2568 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2569 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2570 | !SYS_SUPPORTS_1024HZ | |
2571 | ||
2572 | config HZ | |
2573 | int | |
2574 | default 48 if HZ_48 | |
2575 | default 100 if HZ_100 | |
2576 | default 128 if HZ_128 | |
2577 | default 250 if HZ_250 | |
2578 | default 256 if HZ_256 | |
2579 | default 1000 if HZ_1000 | |
2580 | default 1024 if HZ_1024 | |
2581 | ||
2582 | config SCHED_HRTICK | |
2583 | def_bool HIGH_RES_TIMERS | |
2584 | ||
2585 | source "kernel/Kconfig.preempt" | |
2586 | ||
2587 | config KEXEC | |
2588 | bool "Kexec system call" | |
2589 | help | |
2590 | kexec is a system call that implements the ability to shutdown your | |
2591 | current kernel, and to start another kernel. It is like a reboot | |
2592 | but it is independent of the system firmware. And like a reboot | |
2593 | you can start any kernel with it, not just Linux. | |
2594 | ||
2595 | The name comes from the similarity to the exec system call. | |
2596 | ||
2597 | It is an ongoing process to be certain the hardware in a machine | |
2598 | is properly shutdown, so do not be surprised if this code does not | |
2599 | initially work for you. As of this writing the exact hardware | |
2600 | interface is strongly in flux, so no good recommendation can be | |
2601 | made. | |
2602 | ||
2603 | config CRASH_DUMP | |
2604 | bool "Kernel crash dumps" | |
2605 | help | |
2606 | Generate crash dump after being started by kexec. | |
2607 | This should be normally only set in special crash dump kernels | |
2608 | which are loaded in the main kernel with kexec-tools into | |
2609 | a specially reserved region and then later executed after | |
2610 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2611 | to a memory address not used by the main kernel or firmware using | |
2612 | PHYSICAL_START. | |
2613 | ||
2614 | config PHYSICAL_START | |
2615 | hex "Physical address where the kernel is loaded" | |
2616 | default "0xffffffff84000000" if 64BIT | |
2617 | default "0x84000000" if 32BIT | |
2618 | depends on CRASH_DUMP | |
2619 | help | |
2620 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2621 | If you plan to use kernel for capturing the crash dump change | |
2622 | this value to start of the reserved region (the "X" value as | |
2623 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2624 | passed to the panic-ed kernel). | |
2625 | ||
2626 | config SECCOMP | |
2627 | bool "Enable seccomp to safely compute untrusted bytecode" | |
2628 | depends on PROC_FS | |
2629 | default y | |
2630 | help | |
2631 | This kernel feature is useful for number crunching applications | |
2632 | that may need to compute untrusted bytecode during their | |
2633 | execution. By using pipes or other transports made available to | |
2634 | the process as file descriptors supporting the read/write | |
2635 | syscalls, it's possible to isolate those applications in | |
2636 | their own address space using seccomp. Once seccomp is | |
2637 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2638 | and the task is only allowed to execute a few safe syscalls | |
2639 | defined by each seccomp mode. | |
2640 | ||
2641 | If unsure, say Y. Only embedded should say N here. | |
2642 | ||
2643 | config MIPS_O32_FP64_SUPPORT | |
2644 | bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" | |
2645 | depends on 32BIT || MIPS32_O32 | |
2646 | help | |
2647 | When this is enabled, the kernel will support use of 64-bit floating | |
2648 | point registers with binaries using the O32 ABI along with the | |
2649 | EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On | |
2650 | 32-bit MIPS systems this support is at the cost of increasing the | |
2651 | size and complexity of the compiled FPU emulator. Thus if you are | |
2652 | running a MIPS32 system and know that none of your userland binaries | |
2653 | will require 64-bit floating point, you may wish to reduce the size | |
2654 | of your kernel & potentially improve FP emulation performance by | |
2655 | saying N here. | |
2656 | ||
2657 | Although binutils currently supports use of this flag the details | |
2658 | concerning its effect upon the O32 ABI in userland are still being | |
2659 | worked on. In order to avoid userland becoming dependant upon current | |
2660 | behaviour before the details have been finalised, this option should | |
2661 | be considered experimental and only enabled by those working upon | |
2662 | said details. | |
2663 | ||
2664 | If unsure, say N. | |
2665 | ||
2666 | config USE_OF | |
2667 | bool | |
2668 | select OF | |
2669 | select OF_EARLY_FLATTREE | |
2670 | select IRQ_DOMAIN | |
2671 | ||
2672 | config BUILTIN_DTB | |
2673 | bool | |
2674 | ||
2675 | endmenu | |
2676 | ||
2677 | config LOCKDEP_SUPPORT | |
2678 | bool | |
2679 | default y | |
2680 | ||
2681 | config STACKTRACE_SUPPORT | |
2682 | bool | |
2683 | default y | |
2684 | ||
2685 | config PGTABLE_LEVELS | |
2686 | int | |
2687 | default 3 if 64BIT && !PAGE_SIZE_64KB | |
2688 | default 2 | |
2689 | ||
2690 | source "init/Kconfig" | |
2691 | ||
2692 | source "kernel/Kconfig.freezer" | |
2693 | ||
2694 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" | |
2695 | ||
2696 | config HW_HAS_EISA | |
2697 | bool | |
2698 | config HW_HAS_PCI | |
2699 | bool | |
2700 | ||
2701 | config PCI | |
2702 | bool "Support for PCI controller" | |
2703 | depends on HW_HAS_PCI | |
2704 | select PCI_DOMAINS | |
2705 | select NO_GENERIC_PCI_IOPORT_MAP | |
2706 | help | |
2707 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2708 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2709 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2710 | say Y, otherwise N. | |
2711 | ||
2712 | config HT_PCI | |
2713 | bool "Support for HT-linked PCI" | |
2714 | default y | |
2715 | depends on CPU_LOONGSON3 | |
2716 | select PCI | |
2717 | select PCI_DOMAINS | |
2718 | help | |
2719 | Loongson family machines use Hyper-Transport bus for inter-core | |
2720 | connection and device connection. The PCI bus is a subordinate | |
2721 | linked at HT. Choose Y for Loongson-3 based machines. | |
2722 | ||
2723 | config PCI_DOMAINS | |
2724 | bool | |
2725 | ||
2726 | source "drivers/pci/Kconfig" | |
2727 | ||
2728 | source "drivers/pci/pcie/Kconfig" | |
2729 | ||
2730 | # | |
2731 | # ISA support is now enabled via select. Too many systems still have the one | |
2732 | # or other ISA chip on the board that users don't know about so don't expect | |
2733 | # users to choose the right thing ... | |
2734 | # | |
2735 | config ISA | |
2736 | bool | |
2737 | ||
2738 | config EISA | |
2739 | bool "EISA support" | |
2740 | depends on HW_HAS_EISA | |
2741 | select ISA | |
2742 | select GENERIC_ISA_DMA | |
2743 | ---help--- | |
2744 | The Extended Industry Standard Architecture (EISA) bus was | |
2745 | developed as an open alternative to the IBM MicroChannel bus. | |
2746 | ||
2747 | The EISA bus provided some of the features of the IBM MicroChannel | |
2748 | bus while maintaining backward compatibility with cards made for | |
2749 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2750 | 1995 when it was made obsolete by the PCI bus. | |
2751 | ||
2752 | Say Y here if you are building a kernel for an EISA-based machine. | |
2753 | ||
2754 | Otherwise, say N. | |
2755 | ||
2756 | source "drivers/eisa/Kconfig" | |
2757 | ||
2758 | config TC | |
2759 | bool "TURBOchannel support" | |
2760 | depends on MACH_DECSTATION | |
2761 | help | |
2762 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2763 | processors. TURBOchannel programming specifications are available | |
2764 | at: | |
2765 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2766 | and: | |
2767 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2768 | Linux driver support status is documented at: | |
2769 | <http://www.linux-mips.org/wiki/DECstation> | |
2770 | ||
2771 | config MMU | |
2772 | bool | |
2773 | default y | |
2774 | ||
2775 | config I8253 | |
2776 | bool | |
2777 | select CLKSRC_I8253 | |
2778 | select CLKEVT_I8253 | |
2779 | select MIPS_EXTERNAL_TIMER | |
2780 | ||
2781 | config ZONE_DMA | |
2782 | bool | |
2783 | ||
2784 | config ZONE_DMA32 | |
2785 | bool | |
2786 | ||
2787 | source "drivers/pcmcia/Kconfig" | |
2788 | ||
2789 | source "drivers/pci/hotplug/Kconfig" | |
2790 | ||
2791 | config RAPIDIO | |
2792 | tristate "RapidIO support" | |
2793 | depends on PCI | |
2794 | default n | |
2795 | help | |
2796 | If you say Y here, the kernel will include drivers and | |
2797 | infrastructure code to support RapidIO interconnect devices. | |
2798 | ||
2799 | source "drivers/rapidio/Kconfig" | |
2800 | ||
2801 | endmenu | |
2802 | ||
2803 | menu "Executable file formats" | |
2804 | ||
2805 | source "fs/Kconfig.binfmt" | |
2806 | ||
2807 | config TRAD_SIGNALS | |
2808 | bool | |
2809 | ||
2810 | config MIPS32_COMPAT | |
2811 | bool | |
2812 | ||
2813 | config COMPAT | |
2814 | bool | |
2815 | ||
2816 | config SYSVIPC_COMPAT | |
2817 | bool | |
2818 | ||
2819 | config MIPS32_O32 | |
2820 | bool "Kernel support for o32 binaries" | |
2821 | depends on 64BIT | |
2822 | select ARCH_WANT_OLD_COMPAT_IPC | |
2823 | select COMPAT | |
2824 | select MIPS32_COMPAT | |
2825 | select SYSVIPC_COMPAT if SYSVIPC | |
2826 | help | |
2827 | Select this option if you want to run o32 binaries. These are pure | |
2828 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2829 | existing binaries are in this format. | |
2830 | ||
2831 | If unsure, say Y. | |
2832 | ||
2833 | config MIPS32_N32 | |
2834 | bool "Kernel support for n32 binaries" | |
2835 | depends on 64BIT | |
2836 | select COMPAT | |
2837 | select MIPS32_COMPAT | |
2838 | select SYSVIPC_COMPAT if SYSVIPC | |
2839 | help | |
2840 | Select this option if you want to run n32 binaries. These are | |
2841 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2842 | data that would normally be 64-bit. They are used in special | |
2843 | cases. | |
2844 | ||
2845 | If unsure, say N. | |
2846 | ||
2847 | config BINFMT_ELF32 | |
2848 | bool | |
2849 | default y if MIPS32_O32 || MIPS32_N32 | |
2850 | ||
2851 | endmenu | |
2852 | ||
2853 | menu "Power management options" | |
2854 | ||
2855 | config ARCH_HIBERNATION_POSSIBLE | |
2856 | def_bool y | |
2857 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP | |
2858 | ||
2859 | config ARCH_SUSPEND_POSSIBLE | |
2860 | def_bool y | |
2861 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP | |
2862 | ||
2863 | source "kernel/power/Kconfig" | |
2864 | ||
2865 | endmenu | |
2866 | ||
2867 | config MIPS_EXTERNAL_TIMER | |
2868 | bool | |
2869 | ||
2870 | menu "CPU Power Management" | |
2871 | ||
2872 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
2873 | source "drivers/cpufreq/Kconfig" | |
2874 | endif | |
2875 | ||
2876 | source "drivers/cpuidle/Kconfig" | |
2877 | ||
2878 | endmenu | |
2879 | ||
2880 | source "net/Kconfig" | |
2881 | ||
2882 | source "drivers/Kconfig" | |
2883 | ||
2884 | source "drivers/firmware/Kconfig" | |
2885 | ||
2886 | source "fs/Kconfig" | |
2887 | ||
2888 | source "arch/mips/Kconfig.debug" | |
2889 | ||
2890 | source "security/Kconfig" | |
2891 | ||
2892 | source "crypto/Kconfig" | |
2893 | ||
2894 | source "lib/Kconfig" | |
2895 | ||
2896 | source "arch/mips/kvm/Kconfig" |