MIPS: BCM47xx: Move SPROM driver to drivers/firmware/
[deliverable/linux.git] / arch / mips / Kconfig
1 config MIPS
2 bool
3 default y
4 select ARCH_SUPPORTS_UPROBES
5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 select ARCH_MIGHT_HAVE_PC_SERIO
7 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
8 select ARCH_USE_BUILTIN_BSWAP
9 select HAVE_CONTEXT_TRACKING
10 select HAVE_GENERIC_DMA_COHERENT
11 select HAVE_IDE
12 select HAVE_OPROFILE
13 select HAVE_PERF_EVENTS
14 select PERF_USE_VMALLOC
15 select HAVE_ARCH_KGDB
16 select HAVE_ARCH_SECCOMP_FILTER
17 select HAVE_ARCH_TRACEHOOK
18 select HAVE_BPF_JIT if !CPU_MICROMIPS
19 select HAVE_FUNCTION_TRACER
20 select HAVE_DYNAMIC_FTRACE
21 select HAVE_FTRACE_MCOUNT_RECORD
22 select HAVE_C_RECORDMCOUNT
23 select HAVE_FUNCTION_GRAPH_TRACER
24 select HAVE_KPROBES
25 select HAVE_KRETPROBES
26 select HAVE_SYSCALL_TRACEPOINTS
27 select HAVE_DEBUG_KMEMLEAK
28 select HAVE_SYSCALL_TRACEPOINTS
29 select ARCH_HAS_ELF_RANDOMIZE
30 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
31 select RTC_LIB if !MACH_LOONGSON64
32 select GENERIC_ATOMIC64 if !64BIT
33 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
34 select HAVE_DMA_CONTIGUOUS
35 select HAVE_DMA_API_DEBUG
36 select GENERIC_IRQ_PROBE
37 select GENERIC_IRQ_SHOW
38 select GENERIC_PCI_IOMAP
39 select HAVE_ARCH_JUMP_LABEL
40 select ARCH_WANT_IPC_PARSE_VERSION
41 select IRQ_FORCED_THREADING
42 select HAVE_MEMBLOCK
43 select HAVE_MEMBLOCK_NODE_MAP
44 select ARCH_DISCARD_MEMBLOCK
45 select GENERIC_SMP_IDLE_THREAD
46 select BUILDTIME_EXTABLE_SORT
47 select GENERIC_CLOCKEVENTS
48 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_CMOS_UPDATE
50 select HAVE_MOD_ARCH_SPECIFIC
51 select VIRT_TO_BUS
52 select MODULES_USE_ELF_REL if MODULES
53 select MODULES_USE_ELF_RELA if MODULES && 64BIT
54 select CLONE_BACKWARDS
55 select HAVE_DEBUG_STACKOVERFLOW
56 select HAVE_CC_STACKPROTECTOR
57 select CPU_PM if CPU_IDLE
58 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
59 select ARCH_BINFMT_ELF_STATE
60 select SYSCTL_EXCEPTION_TRACE
61 select HAVE_VIRT_CPU_ACCOUNTING_GEN
62 select HAVE_IRQ_TIME_ACCOUNTING
63 select GENERIC_TIME_VSYSCALL
64 select ARCH_CLOCKSOURCE_DATA
65 select HANDLE_DOMAIN_IRQ
66
67 menu "Machine selection"
68
69 choice
70 prompt "System type"
71 default SGI_IP22
72
73 config MIPS_ALCHEMY
74 bool "Alchemy processor based machines"
75 select ARCH_PHYS_ADDR_T_64BIT
76 select CEVT_R4K
77 select CSRC_R4K
78 select IRQ_MIPS_CPU
79 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
80 select SYS_HAS_CPU_MIPS32_R1
81 select SYS_SUPPORTS_32BIT_KERNEL
82 select SYS_SUPPORTS_APM_EMULATION
83 select ARCH_REQUIRE_GPIOLIB
84 select SYS_SUPPORTS_ZBOOT
85 select COMMON_CLK
86
87 config AR7
88 bool "Texas Instruments AR7"
89 select BOOT_ELF32
90 select DMA_NONCOHERENT
91 select CEVT_R4K
92 select CSRC_R4K
93 select IRQ_MIPS_CPU
94 select NO_EXCEPT_FILL
95 select SWAP_IO_SPACE
96 select SYS_HAS_CPU_MIPS32_R1
97 select SYS_HAS_EARLY_PRINTK
98 select SYS_SUPPORTS_32BIT_KERNEL
99 select SYS_SUPPORTS_LITTLE_ENDIAN
100 select SYS_SUPPORTS_MIPS16
101 select SYS_SUPPORTS_ZBOOT_UART16550
102 select ARCH_REQUIRE_GPIOLIB
103 select VLYNQ
104 select HAVE_CLK
105 help
106 Support for the Texas Instruments AR7 System-on-a-Chip
107 family: TNETD7100, 7200 and 7300.
108
109 config ATH25
110 bool "Atheros AR231x/AR531x SoC support"
111 select CEVT_R4K
112 select CSRC_R4K
113 select DMA_NONCOHERENT
114 select IRQ_MIPS_CPU
115 select IRQ_DOMAIN
116 select SYS_HAS_CPU_MIPS32_R1
117 select SYS_SUPPORTS_BIG_ENDIAN
118 select SYS_SUPPORTS_32BIT_KERNEL
119 select SYS_HAS_EARLY_PRINTK
120 help
121 Support for Atheros AR231x and Atheros AR531x based boards
122
123 config ATH79
124 bool "Atheros AR71XX/AR724X/AR913X based boards"
125 select ARCH_HAS_RESET_CONTROLLER
126 select ARCH_REQUIRE_GPIOLIB
127 select BOOT_RAW
128 select CEVT_R4K
129 select CSRC_R4K
130 select DMA_NONCOHERENT
131 select HAVE_CLK
132 select COMMON_CLK
133 select CLKDEV_LOOKUP
134 select IRQ_MIPS_CPU
135 select MIPS_MACHINE
136 select SYS_HAS_CPU_MIPS32_R2
137 select SYS_HAS_EARLY_PRINTK
138 select SYS_SUPPORTS_32BIT_KERNEL
139 select SYS_SUPPORTS_BIG_ENDIAN
140 select SYS_SUPPORTS_MIPS16
141 select SYS_SUPPORTS_ZBOOT_UART_PROM
142 select USE_OF
143 help
144 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
145
146 config BMIPS_GENERIC
147 bool "Broadcom Generic BMIPS kernel"
148 select BOOT_RAW
149 select NO_EXCEPT_FILL
150 select USE_OF
151 select CEVT_R4K
152 select CSRC_R4K
153 select SYNC_R4K
154 select COMMON_CLK
155 select BCM6345_L1_IRQ
156 select BCM7038_L1_IRQ
157 select BCM7120_L2_IRQ
158 select BRCMSTB_L2_IRQ
159 select IRQ_MIPS_CPU
160 select DMA_NONCOHERENT
161 select SYS_SUPPORTS_32BIT_KERNEL
162 select SYS_SUPPORTS_LITTLE_ENDIAN
163 select SYS_SUPPORTS_BIG_ENDIAN
164 select SYS_SUPPORTS_HIGHMEM
165 select SYS_HAS_CPU_BMIPS32_3300
166 select SYS_HAS_CPU_BMIPS4350
167 select SYS_HAS_CPU_BMIPS4380
168 select SYS_HAS_CPU_BMIPS5000
169 select SWAP_IO_SPACE
170 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
171 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
172 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
173 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
174 select ARCH_WANT_OPTIONAL_GPIOLIB
175 help
176 Build a generic DT-based kernel image that boots on select
177 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
178 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
179 must be set appropriately for your board.
180
181 config BCM47XX
182 bool "Broadcom BCM47XX based boards"
183 select ARCH_WANT_OPTIONAL_GPIOLIB
184 select BOOT_RAW
185 select CEVT_R4K
186 select CSRC_R4K
187 select DMA_NONCOHERENT
188 select HW_HAS_PCI
189 select IRQ_MIPS_CPU
190 select SYS_HAS_CPU_MIPS32_R1
191 select NO_EXCEPT_FILL
192 select SYS_SUPPORTS_32BIT_KERNEL
193 select SYS_SUPPORTS_LITTLE_ENDIAN
194 select SYS_SUPPORTS_MIPS16
195 select SYS_HAS_EARLY_PRINTK
196 select USE_GENERIC_EARLY_PRINTK_8250
197 select GPIOLIB
198 select LEDS_GPIO_REGISTER
199 select BCM47XX_NVRAM
200 select BCM47XX_SPROM
201 help
202 Support for BCM47XX based boards
203
204 config BCM63XX
205 bool "Broadcom BCM63XX based boards"
206 select BOOT_RAW
207 select CEVT_R4K
208 select CSRC_R4K
209 select SYNC_R4K
210 select DMA_NONCOHERENT
211 select IRQ_MIPS_CPU
212 select SYS_SUPPORTS_32BIT_KERNEL
213 select SYS_SUPPORTS_BIG_ENDIAN
214 select SYS_HAS_EARLY_PRINTK
215 select SWAP_IO_SPACE
216 select ARCH_REQUIRE_GPIOLIB
217 select HAVE_CLK
218 select MIPS_L1_CACHE_SHIFT_4
219 help
220 Support for BCM63XX based boards
221
222 config MIPS_COBALT
223 bool "Cobalt Server"
224 select CEVT_R4K
225 select CSRC_R4K
226 select CEVT_GT641XX
227 select DMA_NONCOHERENT
228 select HW_HAS_PCI
229 select I8253
230 select I8259
231 select IRQ_MIPS_CPU
232 select IRQ_GT641XX
233 select PCI_GT64XXX_PCI0
234 select PCI
235 select SYS_HAS_CPU_NEVADA
236 select SYS_HAS_EARLY_PRINTK
237 select SYS_SUPPORTS_32BIT_KERNEL
238 select SYS_SUPPORTS_64BIT_KERNEL
239 select SYS_SUPPORTS_LITTLE_ENDIAN
240 select USE_GENERIC_EARLY_PRINTK_8250
241
242 config MACH_DECSTATION
243 bool "DECstations"
244 select BOOT_ELF32
245 select CEVT_DS1287
246 select CEVT_R4K if CPU_R4X00
247 select CSRC_IOASIC
248 select CSRC_R4K if CPU_R4X00
249 select CPU_DADDI_WORKAROUNDS if 64BIT
250 select CPU_R4000_WORKAROUNDS if 64BIT
251 select CPU_R4400_WORKAROUNDS if 64BIT
252 select DMA_NONCOHERENT
253 select NO_IOPORT_MAP
254 select IRQ_MIPS_CPU
255 select SYS_HAS_CPU_R3000
256 select SYS_HAS_CPU_R4X00
257 select SYS_SUPPORTS_32BIT_KERNEL
258 select SYS_SUPPORTS_64BIT_KERNEL
259 select SYS_SUPPORTS_LITTLE_ENDIAN
260 select SYS_SUPPORTS_128HZ
261 select SYS_SUPPORTS_256HZ
262 select SYS_SUPPORTS_1024HZ
263 select MIPS_L1_CACHE_SHIFT_4
264 help
265 This enables support for DEC's MIPS based workstations. For details
266 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
267 DECstation porting pages on <http://decstation.unix-ag.org/>.
268
269 If you have one of the following DECstation Models you definitely
270 want to choose R4xx0 for the CPU Type:
271
272 DECstation 5000/50
273 DECstation 5000/150
274 DECstation 5000/260
275 DECsystem 5900/260
276
277 otherwise choose R3000.
278
279 config MACH_JAZZ
280 bool "Jazz family of machines"
281 select FW_ARC
282 select FW_ARC32
283 select ARCH_MAY_HAVE_PC_FDC
284 select CEVT_R4K
285 select CSRC_R4K
286 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
287 select GENERIC_ISA_DMA
288 select HAVE_PCSPKR_PLATFORM
289 select IRQ_MIPS_CPU
290 select I8253
291 select I8259
292 select ISA
293 select SYS_HAS_CPU_R4X00
294 select SYS_SUPPORTS_32BIT_KERNEL
295 select SYS_SUPPORTS_64BIT_KERNEL
296 select SYS_SUPPORTS_100HZ
297 help
298 This a family of machines based on the MIPS R4030 chipset which was
299 used by several vendors to build RISC/os and Windows NT workstations.
300 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
301 Olivetti M700-10 workstations.
302
303 config MACH_INGENIC
304 bool "Ingenic SoC based machines"
305 select SYS_SUPPORTS_32BIT_KERNEL
306 select SYS_SUPPORTS_LITTLE_ENDIAN
307 select SYS_SUPPORTS_ZBOOT_UART16550
308 select DMA_NONCOHERENT
309 select IRQ_MIPS_CPU
310 select ARCH_REQUIRE_GPIOLIB
311 select COMMON_CLK
312 select GENERIC_IRQ_CHIP
313 select BUILTIN_DTB
314 select USE_OF
315 select LIBFDT
316
317 config LANTIQ
318 bool "Lantiq based platforms"
319 select DMA_NONCOHERENT
320 select IRQ_MIPS_CPU
321 select CEVT_R4K
322 select CSRC_R4K
323 select SYS_HAS_CPU_MIPS32_R1
324 select SYS_HAS_CPU_MIPS32_R2
325 select SYS_SUPPORTS_BIG_ENDIAN
326 select SYS_SUPPORTS_32BIT_KERNEL
327 select SYS_SUPPORTS_MIPS16
328 select SYS_SUPPORTS_MULTITHREADING
329 select SYS_HAS_EARLY_PRINTK
330 select ARCH_REQUIRE_GPIOLIB
331 select SWAP_IO_SPACE
332 select BOOT_RAW
333 select CLKDEV_LOOKUP
334 select USE_OF
335 select PINCTRL
336 select PINCTRL_LANTIQ
337 select ARCH_HAS_RESET_CONTROLLER
338 select RESET_CONTROLLER
339
340 config LASAT
341 bool "LASAT Networks platforms"
342 select CEVT_R4K
343 select CRC32
344 select CSRC_R4K
345 select DMA_NONCOHERENT
346 select SYS_HAS_EARLY_PRINTK
347 select HW_HAS_PCI
348 select IRQ_MIPS_CPU
349 select PCI_GT64XXX_PCI0
350 select MIPS_NILE4
351 select R5000_CPU_SCACHE
352 select SYS_HAS_CPU_R5000
353 select SYS_SUPPORTS_32BIT_KERNEL
354 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
355 select SYS_SUPPORTS_LITTLE_ENDIAN
356
357 config MACH_LOONGSON32
358 bool "Loongson-1 family of machines"
359 select SYS_SUPPORTS_ZBOOT
360 help
361 This enables support for the Loongson-1 family of machines.
362
363 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
364 the Institute of Computing Technology (ICT), Chinese Academy of
365 Sciences (CAS).
366
367 config MACH_LOONGSON64
368 bool "Loongson-2/3 family of machines"
369 select SYS_SUPPORTS_ZBOOT
370 help
371 This enables the support of Loongson-2/3 family of machines.
372
373 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
374 family of multi-core CPUs. They are both 64-bit general-purpose
375 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
376 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
377 in the People's Republic of China. The chief architect is Professor
378 Weiwu Hu.
379
380 config MACH_PISTACHIO
381 bool "IMG Pistachio SoC based boards"
382 select ARCH_REQUIRE_GPIOLIB
383 select BOOT_ELF32
384 select BOOT_RAW
385 select CEVT_R4K
386 select CLKSRC_MIPS_GIC
387 select COMMON_CLK
388 select CSRC_R4K
389 select DMA_MAYBE_COHERENT
390 select IRQ_MIPS_CPU
391 select LIBFDT
392 select MFD_SYSCON
393 select MIPS_CPU_SCACHE
394 select MIPS_GIC
395 select PINCTRL
396 select REGULATOR
397 select SYS_HAS_CPU_MIPS32_R2
398 select SYS_SUPPORTS_32BIT_KERNEL
399 select SYS_SUPPORTS_LITTLE_ENDIAN
400 select SYS_SUPPORTS_MIPS_CPS
401 select SYS_SUPPORTS_MULTITHREADING
402 select SYS_SUPPORTS_ZBOOT
403 select SYS_HAS_EARLY_PRINTK
404 select USE_GENERIC_EARLY_PRINTK_8250
405 select USE_OF
406 help
407 This enables support for the IMG Pistachio SoC platform.
408
409 config MACH_XILFPGA
410 bool "MIPSfpga Xilinx based boards"
411 select ARCH_REQUIRE_GPIOLIB
412 select BOOT_ELF32
413 select BOOT_RAW
414 select BUILTIN_DTB
415 select CEVT_R4K
416 select COMMON_CLK
417 select CSRC_R4K
418 select IRQ_MIPS_CPU
419 select LIBFDT
420 select MIPS_CPU_SCACHE
421 select SYS_HAS_EARLY_PRINTK
422 select SYS_HAS_CPU_MIPS32_R2
423 select SYS_SUPPORTS_32BIT_KERNEL
424 select SYS_SUPPORTS_LITTLE_ENDIAN
425 select SYS_SUPPORTS_ZBOOT_UART16550
426 select USE_OF
427 select USE_GENERIC_EARLY_PRINTK_8250
428 help
429 This enables support for the IMG University Program MIPSfpga platform.
430
431 config MIPS_MALTA
432 bool "MIPS Malta board"
433 select ARCH_MAY_HAVE_PC_FDC
434 select BOOT_ELF32
435 select BOOT_RAW
436 select BUILTIN_DTB
437 select CEVT_R4K
438 select CSRC_R4K
439 select CLKSRC_MIPS_GIC
440 select COMMON_CLK
441 select DMA_MAYBE_COHERENT
442 select GENERIC_ISA_DMA
443 select HAVE_PCSPKR_PLATFORM
444 select IRQ_MIPS_CPU
445 select MIPS_GIC
446 select HW_HAS_PCI
447 select I8253
448 select I8259
449 select MIPS_BONITO64
450 select MIPS_CPU_SCACHE
451 select MIPS_L1_CACHE_SHIFT_6
452 select PCI_GT64XXX_PCI0
453 select MIPS_MSC
454 select SMP_UP if SMP
455 select SWAP_IO_SPACE
456 select SYS_HAS_CPU_MIPS32_R1
457 select SYS_HAS_CPU_MIPS32_R2
458 select SYS_HAS_CPU_MIPS32_R3_5
459 select SYS_HAS_CPU_MIPS32_R5
460 select SYS_HAS_CPU_MIPS32_R6
461 select SYS_HAS_CPU_MIPS64_R1
462 select SYS_HAS_CPU_MIPS64_R2
463 select SYS_HAS_CPU_MIPS64_R6
464 select SYS_HAS_CPU_NEVADA
465 select SYS_HAS_CPU_RM7000
466 select SYS_SUPPORTS_32BIT_KERNEL
467 select SYS_SUPPORTS_64BIT_KERNEL
468 select SYS_SUPPORTS_BIG_ENDIAN
469 select SYS_SUPPORTS_HIGHMEM
470 select SYS_SUPPORTS_LITTLE_ENDIAN
471 select SYS_SUPPORTS_MICROMIPS
472 select SYS_SUPPORTS_MIPS_CMP
473 select SYS_SUPPORTS_MIPS_CPS
474 select SYS_SUPPORTS_MIPS16
475 select SYS_SUPPORTS_MULTITHREADING
476 select SYS_SUPPORTS_SMARTMIPS
477 select SYS_SUPPORTS_ZBOOT
478 select USE_OF
479 select ZONE_DMA32 if 64BIT
480 select BUILTIN_DTB
481 select LIBFDT
482 help
483 This enables support for the MIPS Technologies Malta evaluation
484 board.
485
486 config MACH_PIC32
487 bool "Microchip PIC32 Family"
488 help
489 This enables support for the Microchip PIC32 family of platforms.
490
491 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
492 microcontrollers.
493
494 config MIPS_SEAD3
495 bool "MIPS SEAD3 board"
496 select BOOT_ELF32
497 select BOOT_RAW
498 select BUILTIN_DTB
499 select CEVT_R4K
500 select CSRC_R4K
501 select CLKSRC_MIPS_GIC
502 select COMMON_CLK
503 select CPU_MIPSR2_IRQ_VI
504 select CPU_MIPSR2_IRQ_EI
505 select DMA_NONCOHERENT
506 select IRQ_MIPS_CPU
507 select MIPS_GIC
508 select LIBFDT
509 select MIPS_MSC
510 select SYS_HAS_CPU_MIPS32_R1
511 select SYS_HAS_CPU_MIPS32_R2
512 select SYS_HAS_CPU_MIPS64_R1
513 select SYS_HAS_EARLY_PRINTK
514 select SYS_SUPPORTS_32BIT_KERNEL
515 select SYS_SUPPORTS_64BIT_KERNEL
516 select SYS_SUPPORTS_BIG_ENDIAN
517 select SYS_SUPPORTS_LITTLE_ENDIAN
518 select SYS_SUPPORTS_SMARTMIPS
519 select SYS_SUPPORTS_MICROMIPS
520 select SYS_SUPPORTS_MIPS16
521 select USB_EHCI_BIG_ENDIAN_DESC
522 select USB_EHCI_BIG_ENDIAN_MMIO
523 select USE_OF
524 help
525 This enables support for the MIPS Technologies SEAD3 evaluation
526 board.
527
528 config NEC_MARKEINS
529 bool "NEC EMMA2RH Mark-eins board"
530 select SOC_EMMA2RH
531 select HW_HAS_PCI
532 help
533 This enables support for the NEC Electronics Mark-eins boards.
534
535 config MACH_VR41XX
536 bool "NEC VR4100 series based machines"
537 select CEVT_R4K
538 select CSRC_R4K
539 select SYS_HAS_CPU_VR41XX
540 select SYS_SUPPORTS_MIPS16
541 select ARCH_REQUIRE_GPIOLIB
542
543 config NXP_STB220
544 bool "NXP STB220 board"
545 select SOC_PNX833X
546 help
547 Support for NXP Semiconductors STB220 Development Board.
548
549 config NXP_STB225
550 bool "NXP 225 board"
551 select SOC_PNX833X
552 select SOC_PNX8335
553 help
554 Support for NXP Semiconductors STB225 Development Board.
555
556 config PMC_MSP
557 bool "PMC-Sierra MSP chipsets"
558 select CEVT_R4K
559 select CSRC_R4K
560 select DMA_NONCOHERENT
561 select SWAP_IO_SPACE
562 select NO_EXCEPT_FILL
563 select BOOT_RAW
564 select SYS_HAS_CPU_MIPS32_R1
565 select SYS_HAS_CPU_MIPS32_R2
566 select SYS_SUPPORTS_32BIT_KERNEL
567 select SYS_SUPPORTS_BIG_ENDIAN
568 select SYS_SUPPORTS_MIPS16
569 select IRQ_MIPS_CPU
570 select SERIAL_8250
571 select SERIAL_8250_CONSOLE
572 select USB_EHCI_BIG_ENDIAN_MMIO
573 select USB_EHCI_BIG_ENDIAN_DESC
574 help
575 This adds support for the PMC-Sierra family of Multi-Service
576 Processor System-On-A-Chips. These parts include a number
577 of integrated peripherals, interfaces and DSPs in addition to
578 a variety of MIPS cores.
579
580 config RALINK
581 bool "Ralink based machines"
582 select CEVT_R4K
583 select CSRC_R4K
584 select BOOT_RAW
585 select DMA_NONCOHERENT
586 select IRQ_MIPS_CPU
587 select USE_OF
588 select SYS_HAS_CPU_MIPS32_R1
589 select SYS_HAS_CPU_MIPS32_R2
590 select SYS_SUPPORTS_32BIT_KERNEL
591 select SYS_SUPPORTS_LITTLE_ENDIAN
592 select SYS_SUPPORTS_MIPS16
593 select SYS_HAS_EARLY_PRINTK
594 select CLKDEV_LOOKUP
595 select ARCH_HAS_RESET_CONTROLLER
596 select RESET_CONTROLLER
597
598 config SGI_IP22
599 bool "SGI IP22 (Indy/Indigo2)"
600 select FW_ARC
601 select FW_ARC32
602 select BOOT_ELF32
603 select CEVT_R4K
604 select CSRC_R4K
605 select DEFAULT_SGI_PARTITION
606 select DMA_NONCOHERENT
607 select HW_HAS_EISA
608 select I8253
609 select I8259
610 select IP22_CPU_SCACHE
611 select IRQ_MIPS_CPU
612 select GENERIC_ISA_DMA_SUPPORT_BROKEN
613 select SGI_HAS_I8042
614 select SGI_HAS_INDYDOG
615 select SGI_HAS_HAL2
616 select SGI_HAS_SEEQ
617 select SGI_HAS_WD93
618 select SGI_HAS_ZILOG
619 select SWAP_IO_SPACE
620 select SYS_HAS_CPU_R4X00
621 select SYS_HAS_CPU_R5000
622 #
623 # Disable EARLY_PRINTK for now since it leads to overwritten prom
624 # memory during early boot on some machines.
625 #
626 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
627 # for a more details discussion
628 #
629 # select SYS_HAS_EARLY_PRINTK
630 select SYS_SUPPORTS_32BIT_KERNEL
631 select SYS_SUPPORTS_64BIT_KERNEL
632 select SYS_SUPPORTS_BIG_ENDIAN
633 select MIPS_L1_CACHE_SHIFT_7
634 help
635 This are the SGI Indy, Challenge S and Indigo2, as well as certain
636 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
637 that runs on these, say Y here.
638
639 config SGI_IP27
640 bool "SGI IP27 (Origin200/2000)"
641 select FW_ARC
642 select FW_ARC64
643 select BOOT_ELF64
644 select DEFAULT_SGI_PARTITION
645 select DMA_COHERENT
646 select SYS_HAS_EARLY_PRINTK
647 select HW_HAS_PCI
648 select NR_CPUS_DEFAULT_64
649 select SYS_HAS_CPU_R10000
650 select SYS_SUPPORTS_64BIT_KERNEL
651 select SYS_SUPPORTS_BIG_ENDIAN
652 select SYS_SUPPORTS_NUMA
653 select SYS_SUPPORTS_SMP
654 select MIPS_L1_CACHE_SHIFT_7
655 help
656 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
657 workstations. To compile a Linux kernel that runs on these, say Y
658 here.
659
660 config SGI_IP28
661 bool "SGI IP28 (Indigo2 R10k)"
662 select FW_ARC
663 select FW_ARC64
664 select BOOT_ELF64
665 select CEVT_R4K
666 select CSRC_R4K
667 select DEFAULT_SGI_PARTITION
668 select DMA_NONCOHERENT
669 select GENERIC_ISA_DMA_SUPPORT_BROKEN
670 select IRQ_MIPS_CPU
671 select HW_HAS_EISA
672 select I8253
673 select I8259
674 select SGI_HAS_I8042
675 select SGI_HAS_INDYDOG
676 select SGI_HAS_HAL2
677 select SGI_HAS_SEEQ
678 select SGI_HAS_WD93
679 select SGI_HAS_ZILOG
680 select SWAP_IO_SPACE
681 select SYS_HAS_CPU_R10000
682 #
683 # Disable EARLY_PRINTK for now since it leads to overwritten prom
684 # memory during early boot on some machines.
685 #
686 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
687 # for a more details discussion
688 #
689 # select SYS_HAS_EARLY_PRINTK
690 select SYS_SUPPORTS_64BIT_KERNEL
691 select SYS_SUPPORTS_BIG_ENDIAN
692 select MIPS_L1_CACHE_SHIFT_7
693 help
694 This is the SGI Indigo2 with R10000 processor. To compile a Linux
695 kernel that runs on these, say Y here.
696
697 config SGI_IP32
698 bool "SGI IP32 (O2)"
699 select FW_ARC
700 select FW_ARC32
701 select BOOT_ELF32
702 select CEVT_R4K
703 select CSRC_R4K
704 select DMA_NONCOHERENT
705 select HW_HAS_PCI
706 select IRQ_MIPS_CPU
707 select R5000_CPU_SCACHE
708 select RM7000_CPU_SCACHE
709 select SYS_HAS_CPU_R5000
710 select SYS_HAS_CPU_R10000 if BROKEN
711 select SYS_HAS_CPU_RM7000
712 select SYS_HAS_CPU_NEVADA
713 select SYS_SUPPORTS_64BIT_KERNEL
714 select SYS_SUPPORTS_BIG_ENDIAN
715 help
716 If you want this kernel to run on SGI O2 workstation, say Y here.
717
718 config SIBYTE_CRHINE
719 bool "Sibyte BCM91120C-CRhine"
720 select BOOT_ELF32
721 select DMA_COHERENT
722 select SIBYTE_BCM1120
723 select SWAP_IO_SPACE
724 select SYS_HAS_CPU_SB1
725 select SYS_SUPPORTS_BIG_ENDIAN
726 select SYS_SUPPORTS_LITTLE_ENDIAN
727
728 config SIBYTE_CARMEL
729 bool "Sibyte BCM91120x-Carmel"
730 select BOOT_ELF32
731 select DMA_COHERENT
732 select SIBYTE_BCM1120
733 select SWAP_IO_SPACE
734 select SYS_HAS_CPU_SB1
735 select SYS_SUPPORTS_BIG_ENDIAN
736 select SYS_SUPPORTS_LITTLE_ENDIAN
737
738 config SIBYTE_CRHONE
739 bool "Sibyte BCM91125C-CRhone"
740 select BOOT_ELF32
741 select DMA_COHERENT
742 select SIBYTE_BCM1125
743 select SWAP_IO_SPACE
744 select SYS_HAS_CPU_SB1
745 select SYS_SUPPORTS_BIG_ENDIAN
746 select SYS_SUPPORTS_HIGHMEM
747 select SYS_SUPPORTS_LITTLE_ENDIAN
748
749 config SIBYTE_RHONE
750 bool "Sibyte BCM91125E-Rhone"
751 select BOOT_ELF32
752 select DMA_COHERENT
753 select SIBYTE_BCM1125H
754 select SWAP_IO_SPACE
755 select SYS_HAS_CPU_SB1
756 select SYS_SUPPORTS_BIG_ENDIAN
757 select SYS_SUPPORTS_LITTLE_ENDIAN
758
759 config SIBYTE_SWARM
760 bool "Sibyte BCM91250A-SWARM"
761 select BOOT_ELF32
762 select DMA_COHERENT
763 select HAVE_PATA_PLATFORM
764 select SIBYTE_SB1250
765 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_SB1
767 select SYS_SUPPORTS_BIG_ENDIAN
768 select SYS_SUPPORTS_HIGHMEM
769 select SYS_SUPPORTS_LITTLE_ENDIAN
770 select ZONE_DMA32 if 64BIT
771
772 config SIBYTE_LITTLESUR
773 bool "Sibyte BCM91250C2-LittleSur"
774 select BOOT_ELF32
775 select DMA_COHERENT
776 select HAVE_PATA_PLATFORM
777 select SIBYTE_SB1250
778 select SWAP_IO_SPACE
779 select SYS_HAS_CPU_SB1
780 select SYS_SUPPORTS_BIG_ENDIAN
781 select SYS_SUPPORTS_HIGHMEM
782 select SYS_SUPPORTS_LITTLE_ENDIAN
783
784 config SIBYTE_SENTOSA
785 bool "Sibyte BCM91250E-Sentosa"
786 select BOOT_ELF32
787 select DMA_COHERENT
788 select SIBYTE_SB1250
789 select SWAP_IO_SPACE
790 select SYS_HAS_CPU_SB1
791 select SYS_SUPPORTS_BIG_ENDIAN
792 select SYS_SUPPORTS_LITTLE_ENDIAN
793
794 config SIBYTE_BIGSUR
795 bool "Sibyte BCM91480B-BigSur"
796 select BOOT_ELF32
797 select DMA_COHERENT
798 select NR_CPUS_DEFAULT_4
799 select SIBYTE_BCM1x80
800 select SWAP_IO_SPACE
801 select SYS_HAS_CPU_SB1
802 select SYS_SUPPORTS_BIG_ENDIAN
803 select SYS_SUPPORTS_HIGHMEM
804 select SYS_SUPPORTS_LITTLE_ENDIAN
805 select ZONE_DMA32 if 64BIT
806
807 config SNI_RM
808 bool "SNI RM200/300/400"
809 select FW_ARC if CPU_LITTLE_ENDIAN
810 select FW_ARC32 if CPU_LITTLE_ENDIAN
811 select FW_SNIPROM if CPU_BIG_ENDIAN
812 select ARCH_MAY_HAVE_PC_FDC
813 select BOOT_ELF32
814 select CEVT_R4K
815 select CSRC_R4K
816 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
817 select DMA_NONCOHERENT
818 select GENERIC_ISA_DMA
819 select HAVE_PCSPKR_PLATFORM
820 select HW_HAS_EISA
821 select HW_HAS_PCI
822 select IRQ_MIPS_CPU
823 select I8253
824 select I8259
825 select ISA
826 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
827 select SYS_HAS_CPU_R4X00
828 select SYS_HAS_CPU_R5000
829 select SYS_HAS_CPU_R10000
830 select R5000_CPU_SCACHE
831 select SYS_HAS_EARLY_PRINTK
832 select SYS_SUPPORTS_32BIT_KERNEL
833 select SYS_SUPPORTS_64BIT_KERNEL
834 select SYS_SUPPORTS_BIG_ENDIAN
835 select SYS_SUPPORTS_HIGHMEM
836 select SYS_SUPPORTS_LITTLE_ENDIAN
837 help
838 The SNI RM200/300/400 are MIPS-based machines manufactured by
839 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
840 Technology and now in turn merged with Fujitsu. Say Y here to
841 support this machine type.
842
843 config MACH_TX39XX
844 bool "Toshiba TX39 series based machines"
845
846 config MACH_TX49XX
847 bool "Toshiba TX49 series based machines"
848
849 config MIKROTIK_RB532
850 bool "Mikrotik RB532 boards"
851 select CEVT_R4K
852 select CSRC_R4K
853 select DMA_NONCOHERENT
854 select HW_HAS_PCI
855 select IRQ_MIPS_CPU
856 select SYS_HAS_CPU_MIPS32_R1
857 select SYS_SUPPORTS_32BIT_KERNEL
858 select SYS_SUPPORTS_LITTLE_ENDIAN
859 select SWAP_IO_SPACE
860 select BOOT_RAW
861 select ARCH_REQUIRE_GPIOLIB
862 select MIPS_L1_CACHE_SHIFT_4
863 help
864 Support the Mikrotik(tm) RouterBoard 532 series,
865 based on the IDT RC32434 SoC.
866
867 config CAVIUM_OCTEON_SOC
868 bool "Cavium Networks Octeon SoC based boards"
869 select CEVT_R4K
870 select ARCH_PHYS_ADDR_T_64BIT
871 select DMA_COHERENT
872 select SYS_SUPPORTS_64BIT_KERNEL
873 select SYS_SUPPORTS_BIG_ENDIAN
874 select EDAC_SUPPORT
875 select EDAC_ATOMIC_SCRUB
876 select SYS_SUPPORTS_LITTLE_ENDIAN
877 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
878 select SYS_HAS_EARLY_PRINTK
879 select SYS_HAS_CPU_CAVIUM_OCTEON
880 select SWAP_IO_SPACE
881 select HW_HAS_PCI
882 select ZONE_DMA32
883 select HOLES_IN_ZONE
884 select ARCH_REQUIRE_GPIOLIB
885 select LIBFDT
886 select USE_OF
887 select ARCH_SPARSEMEM_ENABLE
888 select SYS_SUPPORTS_SMP
889 select NR_CPUS_DEFAULT_16
890 select BUILTIN_DTB
891 select MTD_COMPLEX_MAPPINGS
892 help
893 This option supports all of the Octeon reference boards from Cavium
894 Networks. It builds a kernel that dynamically determines the Octeon
895 CPU type and supports all known board reference implementations.
896 Some of the supported boards are:
897 EBT3000
898 EBH3000
899 EBH3100
900 Thunder
901 Kodama
902 Hikari
903 Say Y here for most Octeon reference boards.
904
905 config NLM_XLR_BOARD
906 bool "Netlogic XLR/XLS based systems"
907 select BOOT_ELF32
908 select NLM_COMMON
909 select SYS_HAS_CPU_XLR
910 select SYS_SUPPORTS_SMP
911 select HW_HAS_PCI
912 select SWAP_IO_SPACE
913 select SYS_SUPPORTS_32BIT_KERNEL
914 select SYS_SUPPORTS_64BIT_KERNEL
915 select ARCH_PHYS_ADDR_T_64BIT
916 select SYS_SUPPORTS_BIG_ENDIAN
917 select SYS_SUPPORTS_HIGHMEM
918 select DMA_COHERENT
919 select NR_CPUS_DEFAULT_32
920 select CEVT_R4K
921 select CSRC_R4K
922 select IRQ_MIPS_CPU
923 select ZONE_DMA32 if 64BIT
924 select SYNC_R4K
925 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_ZBOOT
927 select SYS_SUPPORTS_ZBOOT_UART16550
928 help
929 Support for systems based on Netlogic XLR and XLS processors.
930 Say Y here if you have a XLR or XLS based board.
931
932 config NLM_XLP_BOARD
933 bool "Netlogic XLP based systems"
934 select BOOT_ELF32
935 select NLM_COMMON
936 select SYS_HAS_CPU_XLP
937 select SYS_SUPPORTS_SMP
938 select HW_HAS_PCI
939 select SYS_SUPPORTS_32BIT_KERNEL
940 select SYS_SUPPORTS_64BIT_KERNEL
941 select ARCH_PHYS_ADDR_T_64BIT
942 select ARCH_REQUIRE_GPIOLIB
943 select SYS_SUPPORTS_BIG_ENDIAN
944 select SYS_SUPPORTS_LITTLE_ENDIAN
945 select SYS_SUPPORTS_HIGHMEM
946 select DMA_COHERENT
947 select NR_CPUS_DEFAULT_32
948 select CEVT_R4K
949 select CSRC_R4K
950 select IRQ_MIPS_CPU
951 select ZONE_DMA32 if 64BIT
952 select SYNC_R4K
953 select SYS_HAS_EARLY_PRINTK
954 select USE_OF
955 select SYS_SUPPORTS_ZBOOT
956 select SYS_SUPPORTS_ZBOOT_UART16550
957 help
958 This board is based on Netlogic XLP Processor.
959 Say Y here if you have a XLP based board.
960
961 config MIPS_PARAVIRT
962 bool "Para-Virtualized guest system"
963 select CEVT_R4K
964 select CSRC_R4K
965 select DMA_COHERENT
966 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_32BIT_KERNEL
968 select SYS_SUPPORTS_BIG_ENDIAN
969 select SYS_SUPPORTS_SMP
970 select NR_CPUS_DEFAULT_4
971 select SYS_HAS_EARLY_PRINTK
972 select SYS_HAS_CPU_MIPS32_R2
973 select SYS_HAS_CPU_MIPS64_R2
974 select SYS_HAS_CPU_CAVIUM_OCTEON
975 select HW_HAS_PCI
976 select SWAP_IO_SPACE
977 help
978 This option supports guest running under ????
979
980 endchoice
981
982 source "arch/mips/alchemy/Kconfig"
983 source "arch/mips/ath25/Kconfig"
984 source "arch/mips/ath79/Kconfig"
985 source "arch/mips/bcm47xx/Kconfig"
986 source "arch/mips/bcm63xx/Kconfig"
987 source "arch/mips/bmips/Kconfig"
988 source "arch/mips/jazz/Kconfig"
989 source "arch/mips/jz4740/Kconfig"
990 source "arch/mips/lantiq/Kconfig"
991 source "arch/mips/lasat/Kconfig"
992 source "arch/mips/pic32/Kconfig"
993 source "arch/mips/pistachio/Kconfig"
994 source "arch/mips/pmcs-msp71xx/Kconfig"
995 source "arch/mips/ralink/Kconfig"
996 source "arch/mips/sgi-ip27/Kconfig"
997 source "arch/mips/sibyte/Kconfig"
998 source "arch/mips/txx9/Kconfig"
999 source "arch/mips/vr41xx/Kconfig"
1000 source "arch/mips/cavium-octeon/Kconfig"
1001 source "arch/mips/loongson32/Kconfig"
1002 source "arch/mips/loongson64/Kconfig"
1003 source "arch/mips/netlogic/Kconfig"
1004 source "arch/mips/paravirt/Kconfig"
1005 source "arch/mips/xilfpga/Kconfig"
1006
1007 endmenu
1008
1009 config RWSEM_GENERIC_SPINLOCK
1010 bool
1011 default y
1012
1013 config RWSEM_XCHGADD_ALGORITHM
1014 bool
1015
1016 config ARCH_HAS_ILOG2_U32
1017 bool
1018 default n
1019
1020 config ARCH_HAS_ILOG2_U64
1021 bool
1022 default n
1023
1024 config GENERIC_HWEIGHT
1025 bool
1026 default y
1027
1028 config GENERIC_CALIBRATE_DELAY
1029 bool
1030 default y
1031
1032 config SCHED_OMIT_FRAME_POINTER
1033 bool
1034 default y
1035
1036 #
1037 # Select some configuration options automatically based on user selections.
1038 #
1039 config FW_ARC
1040 bool
1041
1042 config ARCH_MAY_HAVE_PC_FDC
1043 bool
1044
1045 config BOOT_RAW
1046 bool
1047
1048 config CEVT_BCM1480
1049 bool
1050
1051 config CEVT_DS1287
1052 bool
1053
1054 config CEVT_GT641XX
1055 bool
1056
1057 config CEVT_R4K
1058 bool
1059
1060 config CEVT_SB1250
1061 bool
1062
1063 config CEVT_TXX9
1064 bool
1065
1066 config CSRC_BCM1480
1067 bool
1068
1069 config CSRC_IOASIC
1070 bool
1071
1072 config CSRC_R4K
1073 bool
1074
1075 config CSRC_SB1250
1076 bool
1077
1078 config MIPS_CLOCK_VSYSCALL
1079 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1080
1081 config GPIO_TXX9
1082 select ARCH_REQUIRE_GPIOLIB
1083 bool
1084
1085 config FW_CFE
1086 bool
1087
1088 config ARCH_DMA_ADDR_T_64BIT
1089 def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1090
1091 config ARCH_SUPPORTS_UPROBES
1092 bool
1093
1094 config DMA_MAYBE_COHERENT
1095 select DMA_NONCOHERENT
1096 bool
1097
1098 config DMA_COHERENT
1099 bool
1100
1101 config DMA_NONCOHERENT
1102 bool
1103 select NEED_DMA_MAP_STATE
1104
1105 config NEED_DMA_MAP_STATE
1106 bool
1107
1108 config SYS_HAS_EARLY_PRINTK
1109 bool
1110
1111 config HOTPLUG_CPU
1112 bool "Support for hot-pluggable CPUs"
1113 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1114 help
1115 Say Y here to allow turning CPUs off and on. CPUs can be
1116 controlled through /sys/devices/system/cpu.
1117 (Note: power management support will enable this option
1118 automatically on SMP systems. )
1119 Say N if you want to disable CPU hotplug.
1120
1121 config SYS_SUPPORTS_HOTPLUG_CPU
1122 bool
1123
1124 config MIPS_BONITO64
1125 bool
1126
1127 config MIPS_MSC
1128 bool
1129
1130 config MIPS_NILE4
1131 bool
1132
1133 config SYNC_R4K
1134 bool
1135
1136 config MIPS_MACHINE
1137 def_bool n
1138
1139 config NO_IOPORT_MAP
1140 def_bool n
1141
1142 config GENERIC_CSUM
1143 bool
1144
1145 config GENERIC_ISA_DMA
1146 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API
1149
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool
1152 select GENERIC_ISA_DMA
1153
1154 config ISA_DMA_API
1155 bool
1156
1157 config HOLES_IN_ZONE
1158 bool
1159
1160 #
1161 # Endianness selection. Sufficiently obscure so many users don't know what to
1162 # answer,so we try hard to limit the available choices. Also the use of a
1163 # choice statement should be more obvious to the user.
1164 #
1165 choice
1166 prompt "Endianness selection"
1167 help
1168 Some MIPS machines can be configured for either little or big endian
1169 byte order. These modes require different kernels and a different
1170 Linux distribution. In general there is one preferred byteorder for a
1171 particular system but some systems are just as commonly used in the
1172 one or the other endianness.
1173
1174 config CPU_BIG_ENDIAN
1175 bool "Big endian"
1176 depends on SYS_SUPPORTS_BIG_ENDIAN
1177
1178 config CPU_LITTLE_ENDIAN
1179 bool "Little endian"
1180 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1181
1182 endchoice
1183
1184 config EXPORT_UASM
1185 bool
1186
1187 config SYS_SUPPORTS_APM_EMULATION
1188 bool
1189
1190 config SYS_SUPPORTS_BIG_ENDIAN
1191 bool
1192
1193 config SYS_SUPPORTS_LITTLE_ENDIAN
1194 bool
1195
1196 config SYS_SUPPORTS_HUGETLBFS
1197 bool
1198 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1199 default y
1200
1201 config MIPS_HUGE_TLB_SUPPORT
1202 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1203
1204 config IRQ_CPU_RM7K
1205 bool
1206
1207 config IRQ_MSP_SLP
1208 bool
1209
1210 config IRQ_MSP_CIC
1211 bool
1212
1213 config IRQ_TXX9
1214 bool
1215
1216 config IRQ_GT641XX
1217 bool
1218
1219 config PCI_GT64XXX_PCI0
1220 bool
1221
1222 config NO_EXCEPT_FILL
1223 bool
1224
1225 config SOC_EMMA2RH
1226 bool
1227 select CEVT_R4K
1228 select CSRC_R4K
1229 select DMA_NONCOHERENT
1230 select IRQ_MIPS_CPU
1231 select SWAP_IO_SPACE
1232 select SYS_HAS_CPU_R5500
1233 select SYS_SUPPORTS_32BIT_KERNEL
1234 select SYS_SUPPORTS_64BIT_KERNEL
1235 select SYS_SUPPORTS_BIG_ENDIAN
1236
1237 config SOC_PNX833X
1238 bool
1239 select CEVT_R4K
1240 select CSRC_R4K
1241 select IRQ_MIPS_CPU
1242 select DMA_NONCOHERENT
1243 select SYS_HAS_CPU_MIPS32_R2
1244 select SYS_SUPPORTS_32BIT_KERNEL
1245 select SYS_SUPPORTS_LITTLE_ENDIAN
1246 select SYS_SUPPORTS_BIG_ENDIAN
1247 select SYS_SUPPORTS_MIPS16
1248 select CPU_MIPSR2_IRQ_VI
1249
1250 config SOC_PNX8335
1251 bool
1252 select SOC_PNX833X
1253
1254 config MIPS_SPRAM
1255 bool
1256
1257 config SWAP_IO_SPACE
1258 bool
1259
1260 config SGI_HAS_INDYDOG
1261 bool
1262
1263 config SGI_HAS_HAL2
1264 bool
1265
1266 config SGI_HAS_SEEQ
1267 bool
1268
1269 config SGI_HAS_WD93
1270 bool
1271
1272 config SGI_HAS_ZILOG
1273 bool
1274
1275 config SGI_HAS_I8042
1276 bool
1277
1278 config DEFAULT_SGI_PARTITION
1279 bool
1280
1281 config FW_ARC32
1282 bool
1283
1284 config FW_SNIPROM
1285 bool
1286
1287 config BOOT_ELF32
1288 bool
1289
1290 config MIPS_L1_CACHE_SHIFT_4
1291 bool
1292
1293 config MIPS_L1_CACHE_SHIFT_5
1294 bool
1295
1296 config MIPS_L1_CACHE_SHIFT_6
1297 bool
1298
1299 config MIPS_L1_CACHE_SHIFT_7
1300 bool
1301
1302 config MIPS_L1_CACHE_SHIFT
1303 int
1304 default "7" if MIPS_L1_CACHE_SHIFT_7
1305 default "6" if MIPS_L1_CACHE_SHIFT_6
1306 default "5" if MIPS_L1_CACHE_SHIFT_5
1307 default "4" if MIPS_L1_CACHE_SHIFT_4
1308 default "5"
1309
1310 config HAVE_STD_PC_SERIAL_PORT
1311 bool
1312
1313 config ARC_CONSOLE
1314 bool "ARC console support"
1315 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1316
1317 config ARC_MEMORY
1318 bool
1319 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1320 default y
1321
1322 config ARC_PROMLIB
1323 bool
1324 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1325 default y
1326
1327 config FW_ARC64
1328 bool
1329
1330 config BOOT_ELF64
1331 bool
1332
1333 menu "CPU selection"
1334
1335 choice
1336 prompt "CPU type"
1337 default CPU_R4X00
1338
1339 config CPU_LOONGSON3
1340 bool "Loongson 3 CPU"
1341 depends on SYS_HAS_CPU_LOONGSON3
1342 select CPU_SUPPORTS_64BIT_KERNEL
1343 select CPU_SUPPORTS_HIGHMEM
1344 select CPU_SUPPORTS_HUGEPAGES
1345 select WEAK_ORDERING
1346 select WEAK_REORDERING_BEYOND_LLSC
1347 select ARCH_REQUIRE_GPIOLIB
1348 help
1349 The Loongson 3 processor implements the MIPS64R2 instruction
1350 set with many extensions.
1351
1352 config CPU_LOONGSON2E
1353 bool "Loongson 2E"
1354 depends on SYS_HAS_CPU_LOONGSON2E
1355 select CPU_LOONGSON2
1356 help
1357 The Loongson 2E processor implements the MIPS III instruction set
1358 with many extensions.
1359
1360 It has an internal FPGA northbridge, which is compatible to
1361 bonito64.
1362
1363 config CPU_LOONGSON2F
1364 bool "Loongson 2F"
1365 depends on SYS_HAS_CPU_LOONGSON2F
1366 select CPU_LOONGSON2
1367 select ARCH_REQUIRE_GPIOLIB
1368 help
1369 The Loongson 2F processor implements the MIPS III instruction set
1370 with many extensions.
1371
1372 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1373 have a similar programming interface with FPGA northbridge used in
1374 Loongson2E.
1375
1376 config CPU_LOONGSON1B
1377 bool "Loongson 1B"
1378 depends on SYS_HAS_CPU_LOONGSON1B
1379 select CPU_LOONGSON1
1380 help
1381 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1382 release 2 instruction set.
1383
1384 config CPU_MIPS32_R1
1385 bool "MIPS32 Release 1"
1386 depends on SYS_HAS_CPU_MIPS32_R1
1387 select CPU_HAS_PREFETCH
1388 select CPU_SUPPORTS_32BIT_KERNEL
1389 select CPU_SUPPORTS_HIGHMEM
1390 help
1391 Choose this option to build a kernel for release 1 or later of the
1392 MIPS32 architecture. Most modern embedded systems with a 32-bit
1393 MIPS processor are based on a MIPS32 processor. If you know the
1394 specific type of processor in your system, choose those that one
1395 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1396 Release 2 of the MIPS32 architecture is available since several
1397 years so chances are you even have a MIPS32 Release 2 processor
1398 in which case you should choose CPU_MIPS32_R2 instead for better
1399 performance.
1400
1401 config CPU_MIPS32_R2
1402 bool "MIPS32 Release 2"
1403 depends on SYS_HAS_CPU_MIPS32_R2
1404 select CPU_HAS_PREFETCH
1405 select CPU_SUPPORTS_32BIT_KERNEL
1406 select CPU_SUPPORTS_HIGHMEM
1407 select CPU_SUPPORTS_MSA
1408 select HAVE_KVM
1409 help
1410 Choose this option to build a kernel for release 2 or later of the
1411 MIPS32 architecture. Most modern embedded systems with a 32-bit
1412 MIPS processor are based on a MIPS32 processor. If you know the
1413 specific type of processor in your system, choose those that one
1414 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1415
1416 config CPU_MIPS32_R6
1417 bool "MIPS32 Release 6"
1418 depends on SYS_HAS_CPU_MIPS32_R6
1419 select CPU_HAS_PREFETCH
1420 select CPU_SUPPORTS_32BIT_KERNEL
1421 select CPU_SUPPORTS_HIGHMEM
1422 select CPU_SUPPORTS_MSA
1423 select GENERIC_CSUM
1424 select HAVE_KVM
1425 select MIPS_O32_FP64_SUPPORT
1426 help
1427 Choose this option to build a kernel for release 6 or later of the
1428 MIPS32 architecture. New MIPS processors, starting with the Warrior
1429 family, are based on a MIPS32r6 processor. If you own an older
1430 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1431
1432 config CPU_MIPS64_R1
1433 bool "MIPS64 Release 1"
1434 depends on SYS_HAS_CPU_MIPS64_R1
1435 select CPU_HAS_PREFETCH
1436 select CPU_SUPPORTS_32BIT_KERNEL
1437 select CPU_SUPPORTS_64BIT_KERNEL
1438 select CPU_SUPPORTS_HIGHMEM
1439 select CPU_SUPPORTS_HUGEPAGES
1440 help
1441 Choose this option to build a kernel for release 1 or later of the
1442 MIPS64 architecture. Many modern embedded systems with a 64-bit
1443 MIPS processor are based on a MIPS64 processor. If you know the
1444 specific type of processor in your system, choose those that one
1445 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1446 Release 2 of the MIPS64 architecture is available since several
1447 years so chances are you even have a MIPS64 Release 2 processor
1448 in which case you should choose CPU_MIPS64_R2 instead for better
1449 performance.
1450
1451 config CPU_MIPS64_R2
1452 bool "MIPS64 Release 2"
1453 depends on SYS_HAS_CPU_MIPS64_R2
1454 select CPU_HAS_PREFETCH
1455 select CPU_SUPPORTS_32BIT_KERNEL
1456 select CPU_SUPPORTS_64BIT_KERNEL
1457 select CPU_SUPPORTS_HIGHMEM
1458 select CPU_SUPPORTS_HUGEPAGES
1459 select CPU_SUPPORTS_MSA
1460 help
1461 Choose this option to build a kernel for release 2 or later of the
1462 MIPS64 architecture. Many modern embedded systems with a 64-bit
1463 MIPS processor are based on a MIPS64 processor. If you know the
1464 specific type of processor in your system, choose those that one
1465 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1466
1467 config CPU_MIPS64_R6
1468 bool "MIPS64 Release 6"
1469 depends on SYS_HAS_CPU_MIPS64_R6
1470 select CPU_HAS_PREFETCH
1471 select CPU_SUPPORTS_32BIT_KERNEL
1472 select CPU_SUPPORTS_64BIT_KERNEL
1473 select CPU_SUPPORTS_HIGHMEM
1474 select CPU_SUPPORTS_MSA
1475 select GENERIC_CSUM
1476 select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1477 help
1478 Choose this option to build a kernel for release 6 or later of the
1479 MIPS64 architecture. New MIPS processors, starting with the Warrior
1480 family, are based on a MIPS64r6 processor. If you own an older
1481 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1482
1483 config CPU_R3000
1484 bool "R3000"
1485 depends on SYS_HAS_CPU_R3000
1486 select CPU_HAS_WB
1487 select CPU_SUPPORTS_32BIT_KERNEL
1488 select CPU_SUPPORTS_HIGHMEM
1489 help
1490 Please make sure to pick the right CPU type. Linux/MIPS is not
1491 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1492 *not* work on R4000 machines and vice versa. However, since most
1493 of the supported machines have an R4000 (or similar) CPU, R4x00
1494 might be a safe bet. If the resulting kernel does not work,
1495 try to recompile with R3000.
1496
1497 config CPU_TX39XX
1498 bool "R39XX"
1499 depends on SYS_HAS_CPU_TX39XX
1500 select CPU_SUPPORTS_32BIT_KERNEL
1501
1502 config CPU_VR41XX
1503 bool "R41xx"
1504 depends on SYS_HAS_CPU_VR41XX
1505 select CPU_SUPPORTS_32BIT_KERNEL
1506 select CPU_SUPPORTS_64BIT_KERNEL
1507 help
1508 The options selects support for the NEC VR4100 series of processors.
1509 Only choose this option if you have one of these processors as a
1510 kernel built with this option will not run on any other type of
1511 processor or vice versa.
1512
1513 config CPU_R4300
1514 bool "R4300"
1515 depends on SYS_HAS_CPU_R4300
1516 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_64BIT_KERNEL
1518 help
1519 MIPS Technologies R4300-series processors.
1520
1521 config CPU_R4X00
1522 bool "R4x00"
1523 depends on SYS_HAS_CPU_R4X00
1524 select CPU_SUPPORTS_32BIT_KERNEL
1525 select CPU_SUPPORTS_64BIT_KERNEL
1526 select CPU_SUPPORTS_HUGEPAGES
1527 help
1528 MIPS Technologies R4000-series processors other than 4300, including
1529 the R4000, R4400, R4600, and 4700.
1530
1531 config CPU_TX49XX
1532 bool "R49XX"
1533 depends on SYS_HAS_CPU_TX49XX
1534 select CPU_HAS_PREFETCH
1535 select CPU_SUPPORTS_32BIT_KERNEL
1536 select CPU_SUPPORTS_64BIT_KERNEL
1537 select CPU_SUPPORTS_HUGEPAGES
1538
1539 config CPU_R5000
1540 bool "R5000"
1541 depends on SYS_HAS_CPU_R5000
1542 select CPU_SUPPORTS_32BIT_KERNEL
1543 select CPU_SUPPORTS_64BIT_KERNEL
1544 select CPU_SUPPORTS_HUGEPAGES
1545 help
1546 MIPS Technologies R5000-series processors other than the Nevada.
1547
1548 config CPU_R5432
1549 bool "R5432"
1550 depends on SYS_HAS_CPU_R5432
1551 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL
1553 select CPU_SUPPORTS_HUGEPAGES
1554
1555 config CPU_R5500
1556 bool "R5500"
1557 depends on SYS_HAS_CPU_R5500
1558 select CPU_SUPPORTS_32BIT_KERNEL
1559 select CPU_SUPPORTS_64BIT_KERNEL
1560 select CPU_SUPPORTS_HUGEPAGES
1561 help
1562 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1563 instruction set.
1564
1565 config CPU_R6000
1566 bool "R6000"
1567 depends on SYS_HAS_CPU_R6000
1568 select CPU_SUPPORTS_32BIT_KERNEL
1569 help
1570 MIPS Technologies R6000 and R6000A series processors. Note these
1571 processors are extremely rare and the support for them is incomplete.
1572
1573 config CPU_NEVADA
1574 bool "RM52xx"
1575 depends on SYS_HAS_CPU_NEVADA
1576 select CPU_SUPPORTS_32BIT_KERNEL
1577 select CPU_SUPPORTS_64BIT_KERNEL
1578 select CPU_SUPPORTS_HUGEPAGES
1579 help
1580 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1581
1582 config CPU_R8000
1583 bool "R8000"
1584 depends on SYS_HAS_CPU_R8000
1585 select CPU_HAS_PREFETCH
1586 select CPU_SUPPORTS_64BIT_KERNEL
1587 help
1588 MIPS Technologies R8000 processors. Note these processors are
1589 uncommon and the support for them is incomplete.
1590
1591 config CPU_R10000
1592 bool "R10000"
1593 depends on SYS_HAS_CPU_R10000
1594 select CPU_HAS_PREFETCH
1595 select CPU_SUPPORTS_32BIT_KERNEL
1596 select CPU_SUPPORTS_64BIT_KERNEL
1597 select CPU_SUPPORTS_HIGHMEM
1598 select CPU_SUPPORTS_HUGEPAGES
1599 help
1600 MIPS Technologies R10000-series processors.
1601
1602 config CPU_RM7000
1603 bool "RM7000"
1604 depends on SYS_HAS_CPU_RM7000
1605 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES
1610
1611 config CPU_SB1
1612 bool "SB1"
1613 depends on SYS_HAS_CPU_SB1
1614 select CPU_SUPPORTS_32BIT_KERNEL
1615 select CPU_SUPPORTS_64BIT_KERNEL
1616 select CPU_SUPPORTS_HIGHMEM
1617 select CPU_SUPPORTS_HUGEPAGES
1618 select WEAK_ORDERING
1619
1620 config CPU_CAVIUM_OCTEON
1621 bool "Cavium Octeon processor"
1622 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1623 select CPU_HAS_PREFETCH
1624 select CPU_SUPPORTS_64BIT_KERNEL
1625 select WEAK_ORDERING
1626 select CPU_SUPPORTS_HIGHMEM
1627 select CPU_SUPPORTS_HUGEPAGES
1628 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1629 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1630 select MIPS_L1_CACHE_SHIFT_7
1631 help
1632 The Cavium Octeon processor is a highly integrated chip containing
1633 many ethernet hardware widgets for networking tasks. The processor
1634 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1635 Full details can be found at http://www.caviumnetworks.com.
1636
1637 config CPU_BMIPS
1638 bool "Broadcom BMIPS"
1639 depends on SYS_HAS_CPU_BMIPS
1640 select CPU_MIPS32
1641 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1642 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1643 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1644 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1645 select CPU_SUPPORTS_32BIT_KERNEL
1646 select DMA_NONCOHERENT
1647 select IRQ_MIPS_CPU
1648 select SWAP_IO_SPACE
1649 select WEAK_ORDERING
1650 select CPU_SUPPORTS_HIGHMEM
1651 select CPU_HAS_PREFETCH
1652 help
1653 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1654
1655 config CPU_XLR
1656 bool "Netlogic XLR SoC"
1657 depends on SYS_HAS_CPU_XLR
1658 select CPU_SUPPORTS_32BIT_KERNEL
1659 select CPU_SUPPORTS_64BIT_KERNEL
1660 select CPU_SUPPORTS_HIGHMEM
1661 select CPU_SUPPORTS_HUGEPAGES
1662 select WEAK_ORDERING
1663 select WEAK_REORDERING_BEYOND_LLSC
1664 help
1665 Netlogic Microsystems XLR/XLS processors.
1666
1667 config CPU_XLP
1668 bool "Netlogic XLP SoC"
1669 depends on SYS_HAS_CPU_XLP
1670 select CPU_SUPPORTS_32BIT_KERNEL
1671 select CPU_SUPPORTS_64BIT_KERNEL
1672 select CPU_SUPPORTS_HIGHMEM
1673 select WEAK_ORDERING
1674 select WEAK_REORDERING_BEYOND_LLSC
1675 select CPU_HAS_PREFETCH
1676 select CPU_MIPSR2
1677 select CPU_SUPPORTS_HUGEPAGES
1678 help
1679 Netlogic Microsystems XLP processors.
1680 endchoice
1681
1682 config CPU_MIPS32_3_5_FEATURES
1683 bool "MIPS32 Release 3.5 Features"
1684 depends on SYS_HAS_CPU_MIPS32_R3_5
1685 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1686 help
1687 Choose this option to build a kernel for release 2 or later of the
1688 MIPS32 architecture including features from the 3.5 release such as
1689 support for Enhanced Virtual Addressing (EVA).
1690
1691 config CPU_MIPS32_3_5_EVA
1692 bool "Enhanced Virtual Addressing (EVA)"
1693 depends on CPU_MIPS32_3_5_FEATURES
1694 select EVA
1695 default y
1696 help
1697 Choose this option if you want to enable the Enhanced Virtual
1698 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1699 One of its primary benefits is an increase in the maximum size
1700 of lowmem (up to 3GB). If unsure, say 'N' here.
1701
1702 config CPU_MIPS32_R5_FEATURES
1703 bool "MIPS32 Release 5 Features"
1704 depends on SYS_HAS_CPU_MIPS32_R5
1705 depends on CPU_MIPS32_R2
1706 help
1707 Choose this option to build a kernel for release 2 or later of the
1708 MIPS32 architecture including features from release 5 such as
1709 support for Extended Physical Addressing (XPA).
1710
1711 config CPU_MIPS32_R5_XPA
1712 bool "Extended Physical Addressing (XPA)"
1713 depends on CPU_MIPS32_R5_FEATURES
1714 depends on !EVA
1715 depends on !PAGE_SIZE_4KB
1716 depends on SYS_SUPPORTS_HIGHMEM
1717 select XPA
1718 select HIGHMEM
1719 select ARCH_PHYS_ADDR_T_64BIT
1720 default n
1721 help
1722 Choose this option if you want to enable the Extended Physical
1723 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1724 benefit is to increase physical addressing equal to or greater
1725 than 40 bits. Note that this has the side effect of turning on
1726 64-bit addressing which in turn makes the PTEs 64-bit in size.
1727 If unsure, say 'N' here.
1728
1729 if CPU_LOONGSON2F
1730 config CPU_NOP_WORKAROUNDS
1731 bool
1732
1733 config CPU_JUMP_WORKAROUNDS
1734 bool
1735
1736 config CPU_LOONGSON2F_WORKAROUNDS
1737 bool "Loongson 2F Workarounds"
1738 default y
1739 select CPU_NOP_WORKAROUNDS
1740 select CPU_JUMP_WORKAROUNDS
1741 help
1742 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1743 require workarounds. Without workarounds the system may hang
1744 unexpectedly. For more information please refer to the gas
1745 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1746
1747 Loongson 2F03 and later have fixed these issues and no workarounds
1748 are needed. The workarounds have no significant side effect on them
1749 but may decrease the performance of the system so this option should
1750 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1751 systems.
1752
1753 If unsure, please say Y.
1754 endif # CPU_LOONGSON2F
1755
1756 config SYS_SUPPORTS_ZBOOT
1757 bool
1758 select HAVE_KERNEL_GZIP
1759 select HAVE_KERNEL_BZIP2
1760 select HAVE_KERNEL_LZ4
1761 select HAVE_KERNEL_LZMA
1762 select HAVE_KERNEL_LZO
1763 select HAVE_KERNEL_XZ
1764
1765 config SYS_SUPPORTS_ZBOOT_UART16550
1766 bool
1767 select SYS_SUPPORTS_ZBOOT
1768
1769 config SYS_SUPPORTS_ZBOOT_UART_PROM
1770 bool
1771 select SYS_SUPPORTS_ZBOOT
1772
1773 config CPU_LOONGSON2
1774 bool
1775 select CPU_SUPPORTS_32BIT_KERNEL
1776 select CPU_SUPPORTS_64BIT_KERNEL
1777 select CPU_SUPPORTS_HIGHMEM
1778 select CPU_SUPPORTS_HUGEPAGES
1779
1780 config CPU_LOONGSON1
1781 bool
1782 select CPU_MIPS32
1783 select CPU_MIPSR2
1784 select CPU_HAS_PREFETCH
1785 select CPU_SUPPORTS_32BIT_KERNEL
1786 select CPU_SUPPORTS_HIGHMEM
1787 select CPU_SUPPORTS_CPUFREQ
1788
1789 config CPU_BMIPS32_3300
1790 select SMP_UP if SMP
1791 bool
1792
1793 config CPU_BMIPS4350
1794 bool
1795 select SYS_SUPPORTS_SMP
1796 select SYS_SUPPORTS_HOTPLUG_CPU
1797
1798 config CPU_BMIPS4380
1799 bool
1800 select MIPS_L1_CACHE_SHIFT_6
1801 select SYS_SUPPORTS_SMP
1802 select SYS_SUPPORTS_HOTPLUG_CPU
1803
1804 config CPU_BMIPS5000
1805 bool
1806 select MIPS_CPU_SCACHE
1807 select MIPS_L1_CACHE_SHIFT_7
1808 select SYS_SUPPORTS_SMP
1809 select SYS_SUPPORTS_HOTPLUG_CPU
1810
1811 config SYS_HAS_CPU_LOONGSON3
1812 bool
1813 select CPU_SUPPORTS_CPUFREQ
1814
1815 config SYS_HAS_CPU_LOONGSON2E
1816 bool
1817
1818 config SYS_HAS_CPU_LOONGSON2F
1819 bool
1820 select CPU_SUPPORTS_CPUFREQ
1821 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1822 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1823
1824 config SYS_HAS_CPU_LOONGSON1B
1825 bool
1826
1827 config SYS_HAS_CPU_MIPS32_R1
1828 bool
1829
1830 config SYS_HAS_CPU_MIPS32_R2
1831 bool
1832
1833 config SYS_HAS_CPU_MIPS32_R3_5
1834 bool
1835
1836 config SYS_HAS_CPU_MIPS32_R5
1837 bool
1838
1839 config SYS_HAS_CPU_MIPS32_R6
1840 bool
1841
1842 config SYS_HAS_CPU_MIPS64_R1
1843 bool
1844
1845 config SYS_HAS_CPU_MIPS64_R2
1846 bool
1847
1848 config SYS_HAS_CPU_MIPS64_R6
1849 bool
1850
1851 config SYS_HAS_CPU_R3000
1852 bool
1853
1854 config SYS_HAS_CPU_TX39XX
1855 bool
1856
1857 config SYS_HAS_CPU_VR41XX
1858 bool
1859
1860 config SYS_HAS_CPU_R4300
1861 bool
1862
1863 config SYS_HAS_CPU_R4X00
1864 bool
1865
1866 config SYS_HAS_CPU_TX49XX
1867 bool
1868
1869 config SYS_HAS_CPU_R5000
1870 bool
1871
1872 config SYS_HAS_CPU_R5432
1873 bool
1874
1875 config SYS_HAS_CPU_R5500
1876 bool
1877
1878 config SYS_HAS_CPU_R6000
1879 bool
1880
1881 config SYS_HAS_CPU_NEVADA
1882 bool
1883
1884 config SYS_HAS_CPU_R8000
1885 bool
1886
1887 config SYS_HAS_CPU_R10000
1888 bool
1889
1890 config SYS_HAS_CPU_RM7000
1891 bool
1892
1893 config SYS_HAS_CPU_SB1
1894 bool
1895
1896 config SYS_HAS_CPU_CAVIUM_OCTEON
1897 bool
1898
1899 config SYS_HAS_CPU_BMIPS
1900 bool
1901
1902 config SYS_HAS_CPU_BMIPS32_3300
1903 bool
1904 select SYS_HAS_CPU_BMIPS
1905
1906 config SYS_HAS_CPU_BMIPS4350
1907 bool
1908 select SYS_HAS_CPU_BMIPS
1909
1910 config SYS_HAS_CPU_BMIPS4380
1911 bool
1912 select SYS_HAS_CPU_BMIPS
1913
1914 config SYS_HAS_CPU_BMIPS5000
1915 bool
1916 select SYS_HAS_CPU_BMIPS
1917
1918 config SYS_HAS_CPU_XLR
1919 bool
1920
1921 config SYS_HAS_CPU_XLP
1922 bool
1923
1924 config MIPS_MALTA_PM
1925 depends on MIPS_MALTA
1926 depends on PCI
1927 bool
1928 default y
1929
1930 #
1931 # CPU may reorder R->R, R->W, W->R, W->W
1932 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1933 #
1934 config WEAK_ORDERING
1935 bool
1936
1937 #
1938 # CPU may reorder reads and writes beyond LL/SC
1939 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1940 #
1941 config WEAK_REORDERING_BEYOND_LLSC
1942 bool
1943 endmenu
1944
1945 #
1946 # These two indicate any level of the MIPS32 and MIPS64 architecture
1947 #
1948 config CPU_MIPS32
1949 bool
1950 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1951
1952 config CPU_MIPS64
1953 bool
1954 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1955
1956 #
1957 # These two indicate the revision of the architecture, either Release 1 or Release 2
1958 #
1959 config CPU_MIPSR1
1960 bool
1961 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1962
1963 config CPU_MIPSR2
1964 bool
1965 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1966 select MIPS_SPRAM
1967
1968 config CPU_MIPSR6
1969 bool
1970 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1971 select MIPS_SPRAM
1972
1973 config EVA
1974 bool
1975
1976 config XPA
1977 bool
1978
1979 config SYS_SUPPORTS_32BIT_KERNEL
1980 bool
1981 config SYS_SUPPORTS_64BIT_KERNEL
1982 bool
1983 config CPU_SUPPORTS_32BIT_KERNEL
1984 bool
1985 config CPU_SUPPORTS_64BIT_KERNEL
1986 bool
1987 config CPU_SUPPORTS_CPUFREQ
1988 bool
1989 config CPU_SUPPORTS_ADDRWINCFG
1990 bool
1991 config CPU_SUPPORTS_HUGEPAGES
1992 bool
1993 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1994 bool
1995 config MIPS_PGD_C0_CONTEXT
1996 bool
1997 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1998
1999 #
2000 # Set to y for ptrace access to watch registers.
2001 #
2002 config HARDWARE_WATCHPOINTS
2003 bool
2004 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2005
2006 menu "Kernel type"
2007
2008 choice
2009 prompt "Kernel code model"
2010 help
2011 You should only select this option if you have a workload that
2012 actually benefits from 64-bit processing or if your machine has
2013 large memory. You will only be presented a single option in this
2014 menu if your system does not support both 32-bit and 64-bit kernels.
2015
2016 config 32BIT
2017 bool "32-bit kernel"
2018 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2019 select TRAD_SIGNALS
2020 help
2021 Select this option if you want to build a 32-bit kernel.
2022
2023 config 64BIT
2024 bool "64-bit kernel"
2025 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2026 help
2027 Select this option if you want to build a 64-bit kernel.
2028
2029 endchoice
2030
2031 config KVM_GUEST
2032 bool "KVM Guest Kernel"
2033 depends on BROKEN_ON_SMP
2034 help
2035 Select this option if building a guest kernel for KVM (Trap & Emulate)
2036 mode.
2037
2038 config KVM_GUEST_TIMER_FREQ
2039 int "Count/Compare Timer Frequency (MHz)"
2040 depends on KVM_GUEST
2041 default 100
2042 help
2043 Set this to non-zero if building a guest kernel for KVM to skip RTC
2044 emulation when determining guest CPU Frequency. Instead, the guest's
2045 timer frequency is specified directly.
2046
2047 choice
2048 prompt "Kernel page size"
2049 default PAGE_SIZE_4KB
2050
2051 config PAGE_SIZE_4KB
2052 bool "4kB"
2053 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2054 help
2055 This option select the standard 4kB Linux page size. On some
2056 R3000-family processors this is the only available page size. Using
2057 4kB page size will minimize memory consumption and is therefore
2058 recommended for low memory systems.
2059
2060 config PAGE_SIZE_8KB
2061 bool "8kB"
2062 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2063 help
2064 Using 8kB page size will result in higher performance kernel at
2065 the price of higher memory consumption. This option is available
2066 only on R8000 and cnMIPS processors. Note that you will need a
2067 suitable Linux distribution to support this.
2068
2069 config PAGE_SIZE_16KB
2070 bool "16kB"
2071 depends on !CPU_R3000 && !CPU_TX39XX
2072 help
2073 Using 16kB page size will result in higher performance kernel at
2074 the price of higher memory consumption. This option is available on
2075 all non-R3000 family processors. Note that you will need a suitable
2076 Linux distribution to support this.
2077
2078 config PAGE_SIZE_32KB
2079 bool "32kB"
2080 depends on CPU_CAVIUM_OCTEON
2081 help
2082 Using 32kB page size will result in higher performance kernel at
2083 the price of higher memory consumption. This option is available
2084 only on cnMIPS cores. Note that you will need a suitable Linux
2085 distribution to support this.
2086
2087 config PAGE_SIZE_64KB
2088 bool "64kB"
2089 depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2090 help
2091 Using 64kB page size will result in higher performance kernel at
2092 the price of higher memory consumption. This option is available on
2093 all non-R3000 family processor. Not that at the time of this
2094 writing this option is still high experimental.
2095
2096 endchoice
2097
2098 config FORCE_MAX_ZONEORDER
2099 int "Maximum zone order"
2100 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2101 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2105 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2106 range 11 64
2107 default "11"
2108 help
2109 The kernel memory allocator divides physically contiguous memory
2110 blocks into "zones", where each zone is a power of two number of
2111 pages. This option selects the largest power of two that the kernel
2112 keeps in the memory allocator. If you need to allocate very large
2113 blocks of physically contiguous memory, then you may need to
2114 increase this value.
2115
2116 This config option is actually maximum order plus one. For example,
2117 a value of 11 means that the largest free memory block is 2^10 pages.
2118
2119 The page size is not necessarily 4KB. Keep this in mind
2120 when choosing a value for this option.
2121
2122 config BOARD_SCACHE
2123 bool
2124
2125 config IP22_CPU_SCACHE
2126 bool
2127 select BOARD_SCACHE
2128
2129 #
2130 # Support for a MIPS32 / MIPS64 style S-caches
2131 #
2132 config MIPS_CPU_SCACHE
2133 bool
2134 select BOARD_SCACHE
2135
2136 config R5000_CPU_SCACHE
2137 bool
2138 select BOARD_SCACHE
2139
2140 config RM7000_CPU_SCACHE
2141 bool
2142 select BOARD_SCACHE
2143
2144 config SIBYTE_DMA_PAGEOPS
2145 bool "Use DMA to clear/copy pages"
2146 depends on CPU_SB1
2147 help
2148 Instead of using the CPU to zero and copy pages, use a Data Mover
2149 channel. These DMA channels are otherwise unused by the standard
2150 SiByte Linux port. Seems to give a small performance benefit.
2151
2152 config CPU_HAS_PREFETCH
2153 bool
2154
2155 config CPU_GENERIC_DUMP_TLB
2156 bool
2157 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2158
2159 config CPU_R4K_FPU
2160 bool
2161 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2162
2163 config CPU_R4K_CACHE_TLB
2164 bool
2165 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2166
2167 config MIPS_MT_SMP
2168 bool "MIPS MT SMP support (1 TC on each available VPE)"
2169 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2170 select CPU_MIPSR2_IRQ_VI
2171 select CPU_MIPSR2_IRQ_EI
2172 select SYNC_R4K
2173 select MIPS_MT
2174 select SMP
2175 select SMP_UP
2176 select SYS_SUPPORTS_SMP
2177 select SYS_SUPPORTS_SCHED_SMT
2178 select MIPS_PERF_SHARED_TC_COUNTERS
2179 help
2180 This is a kernel model which is known as SMVP. This is supported
2181 on cores with the MT ASE and uses the available VPEs to implement
2182 virtual processors which supports SMP. This is equivalent to the
2183 Intel Hyperthreading feature. For further information go to
2184 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2185
2186 config MIPS_MT
2187 bool
2188
2189 config SCHED_SMT
2190 bool "SMT (multithreading) scheduler support"
2191 depends on SYS_SUPPORTS_SCHED_SMT
2192 default n
2193 help
2194 SMT scheduler support improves the CPU scheduler's decision making
2195 when dealing with MIPS MT enabled cores at a cost of slightly
2196 increased overhead in some places. If unsure say N here.
2197
2198 config SYS_SUPPORTS_SCHED_SMT
2199 bool
2200
2201 config SYS_SUPPORTS_MULTITHREADING
2202 bool
2203
2204 config MIPS_MT_FPAFF
2205 bool "Dynamic FPU affinity for FP-intensive threads"
2206 default y
2207 depends on MIPS_MT_SMP
2208
2209 config MIPSR2_TO_R6_EMULATOR
2210 bool "MIPS R2-to-R6 emulator"
2211 depends on CPU_MIPSR6 && !SMP
2212 default y
2213 help
2214 Choose this option if you want to run non-R6 MIPS userland code.
2215 Even if you say 'Y' here, the emulator will still be disabled by
2216 default. You can enable it using the 'mipsr2emu' kernel option.
2217 The only reason this is a build-time option is to save ~14K from the
2218 final kernel image.
2219 comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2220 depends on SMP && CPU_MIPSR6
2221
2222 config MIPS_VPE_LOADER
2223 bool "VPE loader support."
2224 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2225 select CPU_MIPSR2_IRQ_VI
2226 select CPU_MIPSR2_IRQ_EI
2227 select MIPS_MT
2228 help
2229 Includes a loader for loading an elf relocatable object
2230 onto another VPE and running it.
2231
2232 config MIPS_VPE_LOADER_CMP
2233 bool
2234 default "y"
2235 depends on MIPS_VPE_LOADER && MIPS_CMP
2236
2237 config MIPS_VPE_LOADER_MT
2238 bool
2239 default "y"
2240 depends on MIPS_VPE_LOADER && !MIPS_CMP
2241
2242 config MIPS_VPE_LOADER_TOM
2243 bool "Load VPE program into memory hidden from linux"
2244 depends on MIPS_VPE_LOADER
2245 default y
2246 help
2247 The loader can use memory that is present but has been hidden from
2248 Linux using the kernel command line option "mem=xxMB". It's up to
2249 you to ensure the amount you put in the option and the space your
2250 program requires is less or equal to the amount physically present.
2251
2252 config MIPS_VPE_APSP_API
2253 bool "Enable support for AP/SP API (RTLX)"
2254 depends on MIPS_VPE_LOADER
2255 help
2256
2257 config MIPS_VPE_APSP_API_CMP
2258 bool
2259 default "y"
2260 depends on MIPS_VPE_APSP_API && MIPS_CMP
2261
2262 config MIPS_VPE_APSP_API_MT
2263 bool
2264 default "y"
2265 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2266
2267 config MIPS_CMP
2268 bool "MIPS CMP framework support (DEPRECATED)"
2269 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2270 select SMP
2271 select SYNC_R4K
2272 select SYS_SUPPORTS_SMP
2273 select WEAK_ORDERING
2274 default n
2275 help
2276 Select this if you are using a bootloader which implements the "CMP
2277 framework" protocol (ie. YAMON) and want your kernel to make use of
2278 its ability to start secondary CPUs.
2279
2280 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2281 instead of this.
2282
2283 config MIPS_CPS
2284 bool "MIPS Coherent Processing System support"
2285 depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2286 select MIPS_CM
2287 select MIPS_CPC
2288 select MIPS_CPS_PM if HOTPLUG_CPU
2289 select SMP
2290 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2291 select SYS_SUPPORTS_HOTPLUG_CPU
2292 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING
2294 help
2295 Select this if you wish to run an SMP kernel across multiple cores
2296 within a MIPS Coherent Processing System. When this option is
2297 enabled the kernel will probe for other cores and boot them with
2298 no external assistance. It is safe to enable this when hardware
2299 support is unavailable.
2300
2301 config MIPS_CPS_PM
2302 depends on MIPS_CPS
2303 select MIPS_CPC
2304 bool
2305
2306 config MIPS_CM
2307 bool
2308
2309 config MIPS_CPC
2310 bool
2311
2312 config SB1_PASS_2_WORKAROUNDS
2313 bool
2314 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2315 default y
2316
2317 config SB1_PASS_2_1_WORKAROUNDS
2318 bool
2319 depends on CPU_SB1 && CPU_SB1_PASS_2
2320 default y
2321
2322
2323 config ARCH_PHYS_ADDR_T_64BIT
2324 bool
2325
2326 choice
2327 prompt "SmartMIPS or microMIPS ASE support"
2328
2329 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2330 bool "None"
2331 help
2332 Select this if you want neither microMIPS nor SmartMIPS support
2333
2334 config CPU_HAS_SMARTMIPS
2335 depends on SYS_SUPPORTS_SMARTMIPS
2336 bool "SmartMIPS"
2337 help
2338 SmartMIPS is a extension of the MIPS32 architecture aimed at
2339 increased security at both hardware and software level for
2340 smartcards. Enabling this option will allow proper use of the
2341 SmartMIPS instructions by Linux applications. However a kernel with
2342 this option will not work on a MIPS core without SmartMIPS core. If
2343 you don't know you probably don't have SmartMIPS and should say N
2344 here.
2345
2346 config CPU_MICROMIPS
2347 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2348 bool "microMIPS"
2349 help
2350 When this option is enabled the kernel will be built using the
2351 microMIPS ISA
2352
2353 endchoice
2354
2355 config CPU_HAS_MSA
2356 bool "Support for the MIPS SIMD Architecture"
2357 depends on CPU_SUPPORTS_MSA
2358 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2359 help
2360 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2361 and a set of SIMD instructions to operate on them. When this option
2362 is enabled the kernel will support allocating & switching MSA
2363 vector register contexts. If you know that your kernel will only be
2364 running on CPUs which do not support MSA or that your userland will
2365 not be making use of it then you may wish to say N here to reduce
2366 the size & complexity of your kernel.
2367
2368 If unsure, say Y.
2369
2370 config CPU_HAS_WB
2371 bool
2372
2373 config XKS01
2374 bool
2375
2376 #
2377 # Vectored interrupt mode is an R2 feature
2378 #
2379 config CPU_MIPSR2_IRQ_VI
2380 bool
2381
2382 #
2383 # Extended interrupt mode is an R2 feature
2384 #
2385 config CPU_MIPSR2_IRQ_EI
2386 bool
2387
2388 config CPU_HAS_SYNC
2389 bool
2390 depends on !CPU_R3000
2391 default y
2392
2393 #
2394 # CPU non-features
2395 #
2396 config CPU_DADDI_WORKAROUNDS
2397 bool
2398
2399 config CPU_R4000_WORKAROUNDS
2400 bool
2401 select CPU_R4400_WORKAROUNDS
2402
2403 config CPU_R4400_WORKAROUNDS
2404 bool
2405
2406 #
2407 # - Highmem only makes sense for the 32-bit kernel.
2408 # - The current highmem code will only work properly on physically indexed
2409 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2410 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2411 # moment we protect the user and offer the highmem option only on machines
2412 # where it's known to be safe. This will not offer highmem on a few systems
2413 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2414 # indexed CPUs but we're playing safe.
2415 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2416 # know they might have memory configurations that could make use of highmem
2417 # support.
2418 #
2419 config HIGHMEM
2420 bool "High Memory Support"
2421 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2422
2423 config CPU_SUPPORTS_HIGHMEM
2424 bool
2425
2426 config SYS_SUPPORTS_HIGHMEM
2427 bool
2428
2429 config SYS_SUPPORTS_SMARTMIPS
2430 bool
2431
2432 config SYS_SUPPORTS_MICROMIPS
2433 bool
2434
2435 config SYS_SUPPORTS_MIPS16
2436 bool
2437 help
2438 This option must be set if a kernel might be executed on a MIPS16-
2439 enabled CPU even if MIPS16 is not actually being used. In other
2440 words, it makes the kernel MIPS16-tolerant.
2441
2442 config CPU_SUPPORTS_MSA
2443 bool
2444
2445 config ARCH_FLATMEM_ENABLE
2446 def_bool y
2447 depends on !NUMA && !CPU_LOONGSON2
2448
2449 config ARCH_DISCONTIGMEM_ENABLE
2450 bool
2451 default y if SGI_IP27
2452 help
2453 Say Y to support efficient handling of discontiguous physical memory,
2454 for architectures which are either NUMA (Non-Uniform Memory Access)
2455 or have huge holes in the physical address space for other reasons.
2456 See <file:Documentation/vm/numa> for more.
2457
2458 config ARCH_SPARSEMEM_ENABLE
2459 bool
2460 select SPARSEMEM_STATIC
2461
2462 config NUMA
2463 bool "NUMA Support"
2464 depends on SYS_SUPPORTS_NUMA
2465 help
2466 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2467 Access). This option improves performance on systems with more
2468 than two nodes; on two node systems it is generally better to
2469 leave it disabled; on single node systems disable this option
2470 disabled.
2471
2472 config SYS_SUPPORTS_NUMA
2473 bool
2474
2475 config NODES_SHIFT
2476 int
2477 default "6"
2478 depends on NEED_MULTIPLE_NODES
2479
2480 config HW_PERF_EVENTS
2481 bool "Enable hardware performance counter support for perf events"
2482 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2483 default y
2484 help
2485 Enable hardware performance counter support for perf events. If
2486 disabled, perf events will use software events only.
2487
2488 source "mm/Kconfig"
2489
2490 config SMP
2491 bool "Multi-Processing support"
2492 depends on SYS_SUPPORTS_SMP
2493 help
2494 This enables support for systems with more than one CPU. If you have
2495 a system with only one CPU, say N. If you have a system with more
2496 than one CPU, say Y.
2497
2498 If you say N here, the kernel will run on uni- and multiprocessor
2499 machines, but will use only one CPU of a multiprocessor machine. If
2500 you say Y here, the kernel will run on many, but not all,
2501 uniprocessor machines. On a uniprocessor machine, the kernel
2502 will run faster if you say N here.
2503
2504 People using multiprocessor machines who say Y here should also say
2505 Y to "Enhanced Real Time Clock Support", below.
2506
2507 See also the SMP-HOWTO available at
2508 <http://www.tldp.org/docs.html#howto>.
2509
2510 If you don't know what to do here, say N.
2511
2512 config SMP_UP
2513 bool
2514
2515 config SYS_SUPPORTS_MIPS_CMP
2516 bool
2517
2518 config SYS_SUPPORTS_MIPS_CPS
2519 bool
2520
2521 config SYS_SUPPORTS_SMP
2522 bool
2523
2524 config NR_CPUS_DEFAULT_4
2525 bool
2526
2527 config NR_CPUS_DEFAULT_8
2528 bool
2529
2530 config NR_CPUS_DEFAULT_16
2531 bool
2532
2533 config NR_CPUS_DEFAULT_32
2534 bool
2535
2536 config NR_CPUS_DEFAULT_64
2537 bool
2538
2539 config NR_CPUS
2540 int "Maximum number of CPUs (2-256)"
2541 range 2 256
2542 depends on SMP
2543 default "4" if NR_CPUS_DEFAULT_4
2544 default "8" if NR_CPUS_DEFAULT_8
2545 default "16" if NR_CPUS_DEFAULT_16
2546 default "32" if NR_CPUS_DEFAULT_32
2547 default "64" if NR_CPUS_DEFAULT_64
2548 help
2549 This allows you to specify the maximum number of CPUs which this
2550 kernel will support. The maximum supported value is 32 for 32-bit
2551 kernel and 64 for 64-bit kernels; the minimum value which makes
2552 sense is 1 for Qemu (useful only for kernel debugging purposes)
2553 and 2 for all others.
2554
2555 This is purely to save memory - each supported CPU adds
2556 approximately eight kilobytes to the kernel image. For best
2557 performance should round up your number of processors to the next
2558 power of two.
2559
2560 config MIPS_PERF_SHARED_TC_COUNTERS
2561 bool
2562
2563 #
2564 # Timer Interrupt Frequency Configuration
2565 #
2566
2567 choice
2568 prompt "Timer frequency"
2569 default HZ_250
2570 help
2571 Allows the configuration of the timer frequency.
2572
2573 config HZ_24
2574 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2575
2576 config HZ_48
2577 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2578
2579 config HZ_100
2580 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2581
2582 config HZ_128
2583 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2584
2585 config HZ_250
2586 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2587
2588 config HZ_256
2589 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2590
2591 config HZ_1000
2592 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2593
2594 config HZ_1024
2595 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2596
2597 endchoice
2598
2599 config SYS_SUPPORTS_24HZ
2600 bool
2601
2602 config SYS_SUPPORTS_48HZ
2603 bool
2604
2605 config SYS_SUPPORTS_100HZ
2606 bool
2607
2608 config SYS_SUPPORTS_128HZ
2609 bool
2610
2611 config SYS_SUPPORTS_250HZ
2612 bool
2613
2614 config SYS_SUPPORTS_256HZ
2615 bool
2616
2617 config SYS_SUPPORTS_1000HZ
2618 bool
2619
2620 config SYS_SUPPORTS_1024HZ
2621 bool
2622
2623 config SYS_SUPPORTS_ARBIT_HZ
2624 bool
2625 default y if !SYS_SUPPORTS_24HZ && \
2626 !SYS_SUPPORTS_48HZ && \
2627 !SYS_SUPPORTS_100HZ && \
2628 !SYS_SUPPORTS_128HZ && \
2629 !SYS_SUPPORTS_250HZ && \
2630 !SYS_SUPPORTS_256HZ && \
2631 !SYS_SUPPORTS_1000HZ && \
2632 !SYS_SUPPORTS_1024HZ
2633
2634 config HZ
2635 int
2636 default 24 if HZ_24
2637 default 48 if HZ_48
2638 default 100 if HZ_100
2639 default 128 if HZ_128
2640 default 250 if HZ_250
2641 default 256 if HZ_256
2642 default 1000 if HZ_1000
2643 default 1024 if HZ_1024
2644
2645 config SCHED_HRTICK
2646 def_bool HIGH_RES_TIMERS
2647
2648 source "kernel/Kconfig.preempt"
2649
2650 config KEXEC
2651 bool "Kexec system call"
2652 select KEXEC_CORE
2653 help
2654 kexec is a system call that implements the ability to shutdown your
2655 current kernel, and to start another kernel. It is like a reboot
2656 but it is independent of the system firmware. And like a reboot
2657 you can start any kernel with it, not just Linux.
2658
2659 The name comes from the similarity to the exec system call.
2660
2661 It is an ongoing process to be certain the hardware in a machine
2662 is properly shutdown, so do not be surprised if this code does not
2663 initially work for you. As of this writing the exact hardware
2664 interface is strongly in flux, so no good recommendation can be
2665 made.
2666
2667 config CRASH_DUMP
2668 bool "Kernel crash dumps"
2669 help
2670 Generate crash dump after being started by kexec.
2671 This should be normally only set in special crash dump kernels
2672 which are loaded in the main kernel with kexec-tools into
2673 a specially reserved region and then later executed after
2674 a crash by kdump/kexec. The crash dump kernel must be compiled
2675 to a memory address not used by the main kernel or firmware using
2676 PHYSICAL_START.
2677
2678 config PHYSICAL_START
2679 hex "Physical address where the kernel is loaded"
2680 default "0xffffffff84000000" if 64BIT
2681 default "0x84000000" if 32BIT
2682 depends on CRASH_DUMP
2683 help
2684 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2685 If you plan to use kernel for capturing the crash dump change
2686 this value to start of the reserved region (the "X" value as
2687 specified in the "crashkernel=YM@XM" command line boot parameter
2688 passed to the panic-ed kernel).
2689
2690 config SECCOMP
2691 bool "Enable seccomp to safely compute untrusted bytecode"
2692 depends on PROC_FS
2693 default y
2694 help
2695 This kernel feature is useful for number crunching applications
2696 that may need to compute untrusted bytecode during their
2697 execution. By using pipes or other transports made available to
2698 the process as file descriptors supporting the read/write
2699 syscalls, it's possible to isolate those applications in
2700 their own address space using seccomp. Once seccomp is
2701 enabled via /proc/<pid>/seccomp, it cannot be disabled
2702 and the task is only allowed to execute a few safe syscalls
2703 defined by each seccomp mode.
2704
2705 If unsure, say Y. Only embedded should say N here.
2706
2707 config MIPS_O32_FP64_SUPPORT
2708 bool "Support for O32 binaries using 64-bit FP"
2709 depends on 32BIT || MIPS32_O32
2710 help
2711 When this is enabled, the kernel will support use of 64-bit floating
2712 point registers with binaries using the O32 ABI along with the
2713 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2714 32-bit MIPS systems this support is at the cost of increasing the
2715 size and complexity of the compiled FPU emulator. Thus if you are
2716 running a MIPS32 system and know that none of your userland binaries
2717 will require 64-bit floating point, you may wish to reduce the size
2718 of your kernel & potentially improve FP emulation performance by
2719 saying N here.
2720
2721 Although binutils currently supports use of this flag the details
2722 concerning its effect upon the O32 ABI in userland are still being
2723 worked on. In order to avoid userland becoming dependant upon current
2724 behaviour before the details have been finalised, this option should
2725 be considered experimental and only enabled by those working upon
2726 said details.
2727
2728 If unsure, say N.
2729
2730 config USE_OF
2731 bool
2732 select OF
2733 select OF_EARLY_FLATTREE
2734 select IRQ_DOMAIN
2735
2736 config BUILTIN_DTB
2737 bool
2738
2739 choice
2740 prompt "Kernel appended dtb support" if USE_OF
2741 default MIPS_NO_APPENDED_DTB
2742
2743 config MIPS_NO_APPENDED_DTB
2744 bool "None"
2745 help
2746 Do not enable appended dtb support.
2747
2748 config MIPS_ELF_APPENDED_DTB
2749 bool "vmlinux"
2750 help
2751 With this option, the boot code will look for a device tree binary
2752 DTB) included in the vmlinux ELF section .appended_dtb. By default
2753 it is empty and the DTB can be appended using binutils command
2754 objcopy:
2755
2756 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2757
2758 This is meant as a backward compatiblity convenience for those
2759 systems with a bootloader that can't be upgraded to accommodate
2760 the documented boot protocol using a device tree.
2761
2762 config MIPS_RAW_APPENDED_DTB
2763 bool "vmlinux.bin"
2764 help
2765 With this option, the boot code will look for a device tree binary
2766 DTB) appended to raw vmlinux.bin (without decompressor).
2767 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2768
2769 This is meant as a backward compatibility convenience for those
2770 systems with a bootloader that can't be upgraded to accommodate
2771 the documented boot protocol using a device tree.
2772
2773 Beware that there is very little in terms of protection against
2774 this option being confused by leftover garbage in memory that might
2775 look like a DTB header after a reboot if no actual DTB is appended
2776 to vmlinux.bin. Do not leave this option active in a production kernel
2777 if you don't intend to always append a DTB.
2778
2779 config MIPS_ZBOOT_APPENDED_DTB
2780 bool "vmlinuz.bin"
2781 depends on SYS_SUPPORTS_ZBOOT
2782 help
2783 With this option, the boot code will look for a device tree binary
2784 DTB) appended to raw vmlinuz.bin (with decompressor).
2785 (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2786
2787 This is meant as a backward compatibility convenience for those
2788 systems with a bootloader that can't be upgraded to accommodate
2789 the documented boot protocol using a device tree.
2790
2791 Beware that there is very little in terms of protection against
2792 this option being confused by leftover garbage in memory that might
2793 look like a DTB header after a reboot if no actual DTB is appended
2794 to vmlinuz.bin. Do not leave this option active in a production kernel
2795 if you don't intend to always append a DTB.
2796 endchoice
2797
2798 choice
2799 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2800 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2801 !MIPS_MALTA && !MIPS_SEAD3 && \
2802 !CAVIUM_OCTEON_SOC
2803 default MIPS_CMDLINE_FROM_BOOTLOADER
2804
2805 config MIPS_CMDLINE_FROM_DTB
2806 depends on USE_OF
2807 bool "Dtb kernel arguments if available"
2808
2809 config MIPS_CMDLINE_DTB_EXTEND
2810 depends on USE_OF
2811 bool "Extend dtb kernel arguments with bootloader arguments"
2812
2813 config MIPS_CMDLINE_FROM_BOOTLOADER
2814 bool "Bootloader kernel arguments if available"
2815 endchoice
2816
2817 endmenu
2818
2819 config LOCKDEP_SUPPORT
2820 bool
2821 default y
2822
2823 config STACKTRACE_SUPPORT
2824 bool
2825 default y
2826
2827 config HAVE_LATENCYTOP_SUPPORT
2828 bool
2829 default y
2830
2831 config PGTABLE_LEVELS
2832 int
2833 default 3 if 64BIT && !PAGE_SIZE_64KB
2834 default 2
2835
2836 source "init/Kconfig"
2837
2838 source "kernel/Kconfig.freezer"
2839
2840 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2841
2842 config HW_HAS_EISA
2843 bool
2844 config HW_HAS_PCI
2845 bool
2846
2847 config PCI
2848 bool "Support for PCI controller"
2849 depends on HW_HAS_PCI
2850 select PCI_DOMAINS
2851 select NO_GENERIC_PCI_IOPORT_MAP
2852 help
2853 Find out whether you have a PCI motherboard. PCI is the name of a
2854 bus system, i.e. the way the CPU talks to the other stuff inside
2855 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2856 say Y, otherwise N.
2857
2858 config HT_PCI
2859 bool "Support for HT-linked PCI"
2860 default y
2861 depends on CPU_LOONGSON3
2862 select PCI
2863 select PCI_DOMAINS
2864 help
2865 Loongson family machines use Hyper-Transport bus for inter-core
2866 connection and device connection. The PCI bus is a subordinate
2867 linked at HT. Choose Y for Loongson-3 based machines.
2868
2869 config PCI_DOMAINS
2870 bool
2871
2872 source "drivers/pci/Kconfig"
2873
2874 #
2875 # ISA support is now enabled via select. Too many systems still have the one
2876 # or other ISA chip on the board that users don't know about so don't expect
2877 # users to choose the right thing ...
2878 #
2879 config ISA
2880 bool
2881
2882 config EISA
2883 bool "EISA support"
2884 depends on HW_HAS_EISA
2885 select ISA
2886 select GENERIC_ISA_DMA
2887 ---help---
2888 The Extended Industry Standard Architecture (EISA) bus was
2889 developed as an open alternative to the IBM MicroChannel bus.
2890
2891 The EISA bus provided some of the features of the IBM MicroChannel
2892 bus while maintaining backward compatibility with cards made for
2893 the older ISA bus. The EISA bus saw limited use between 1988 and
2894 1995 when it was made obsolete by the PCI bus.
2895
2896 Say Y here if you are building a kernel for an EISA-based machine.
2897
2898 Otherwise, say N.
2899
2900 source "drivers/eisa/Kconfig"
2901
2902 config TC
2903 bool "TURBOchannel support"
2904 depends on MACH_DECSTATION
2905 help
2906 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2907 processors. TURBOchannel programming specifications are available
2908 at:
2909 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2910 and:
2911 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2912 Linux driver support status is documented at:
2913 <http://www.linux-mips.org/wiki/DECstation>
2914
2915 config MMU
2916 bool
2917 default y
2918
2919 config I8253
2920 bool
2921 select CLKSRC_I8253
2922 select CLKEVT_I8253
2923 select MIPS_EXTERNAL_TIMER
2924
2925 config ZONE_DMA
2926 bool
2927
2928 config ZONE_DMA32
2929 bool
2930
2931 source "drivers/pcmcia/Kconfig"
2932
2933 config RAPIDIO
2934 tristate "RapidIO support"
2935 depends on PCI
2936 default n
2937 help
2938 If you say Y here, the kernel will include drivers and
2939 infrastructure code to support RapidIO interconnect devices.
2940
2941 source "drivers/rapidio/Kconfig"
2942
2943 endmenu
2944
2945 menu "Executable file formats"
2946
2947 source "fs/Kconfig.binfmt"
2948
2949 config TRAD_SIGNALS
2950 bool
2951
2952 config MIPS32_COMPAT
2953 bool
2954
2955 config COMPAT
2956 bool
2957
2958 config SYSVIPC_COMPAT
2959 bool
2960
2961 config MIPS32_O32
2962 bool "Kernel support for o32 binaries"
2963 depends on 64BIT
2964 select ARCH_WANT_OLD_COMPAT_IPC
2965 select COMPAT
2966 select MIPS32_COMPAT
2967 select SYSVIPC_COMPAT if SYSVIPC
2968 help
2969 Select this option if you want to run o32 binaries. These are pure
2970 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2971 existing binaries are in this format.
2972
2973 If unsure, say Y.
2974
2975 config MIPS32_N32
2976 bool "Kernel support for n32 binaries"
2977 depends on 64BIT
2978 select COMPAT
2979 select MIPS32_COMPAT
2980 select SYSVIPC_COMPAT if SYSVIPC
2981 help
2982 Select this option if you want to run n32 binaries. These are
2983 64-bit binaries using 32-bit quantities for addressing and certain
2984 data that would normally be 64-bit. They are used in special
2985 cases.
2986
2987 If unsure, say N.
2988
2989 config BINFMT_ELF32
2990 bool
2991 default y if MIPS32_O32 || MIPS32_N32
2992
2993 endmenu
2994
2995 menu "Power management options"
2996
2997 config ARCH_HIBERNATION_POSSIBLE
2998 def_bool y
2999 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3000
3001 config ARCH_SUSPEND_POSSIBLE
3002 def_bool y
3003 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3004
3005 source "kernel/power/Kconfig"
3006
3007 endmenu
3008
3009 config MIPS_EXTERNAL_TIMER
3010 bool
3011
3012 menu "CPU Power Management"
3013
3014 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3015 source "drivers/cpufreq/Kconfig"
3016 endif
3017
3018 source "drivers/cpuidle/Kconfig"
3019
3020 endmenu
3021
3022 source "net/Kconfig"
3023
3024 source "drivers/Kconfig"
3025
3026 source "drivers/firmware/Kconfig"
3027
3028 source "fs/Kconfig"
3029
3030 source "arch/mips/Kconfig.debug"
3031
3032 source "security/Kconfig"
3033
3034 source "crypto/Kconfig"
3035
3036 source "lib/Kconfig"
3037
3038 source "arch/mips/kvm/Kconfig"
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