Version:  2.0.40 2.2.26 2.4.37 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6

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

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