Version:  2.0.40 2.2.26 2.4.37 3.8 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

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 BCM7038_L1_IRQ
155         select BCM7120_L2_IRQ
156         select BRCMSTB_L2_IRQ
157         select IRQ_MIPS_CPU
158         select DMA_NONCOHERENT
159         select SYS_SUPPORTS_32BIT_KERNEL
160         select SYS_SUPPORTS_LITTLE_ENDIAN
161         select SYS_SUPPORTS_BIG_ENDIAN
162         select SYS_SUPPORTS_HIGHMEM
163         select SYS_HAS_CPU_BMIPS32_3300
164         select SYS_HAS_CPU_BMIPS4350
165         select SYS_HAS_CPU_BMIPS4380
166         select SYS_HAS_CPU_BMIPS5000
167         select SWAP_IO_SPACE
168         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
169         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
170         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
171         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
172         select ARCH_WANT_OPTIONAL_GPIOLIB
173         help
174           Build a generic DT-based kernel image that boots on select
175           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
176           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
177           must be set appropriately for your board.
178 
179 config BCM47XX
180         bool "Broadcom BCM47XX based boards"
181         select ARCH_WANT_OPTIONAL_GPIOLIB
182         select BOOT_RAW
183         select CEVT_R4K
184         select CSRC_R4K
185         select DMA_NONCOHERENT
186         select HW_HAS_PCI
187         select IRQ_MIPS_CPU
188         select SYS_HAS_CPU_MIPS32_R1
189         select NO_EXCEPT_FILL
190         select SYS_SUPPORTS_32BIT_KERNEL
191         select SYS_SUPPORTS_LITTLE_ENDIAN
192         select SYS_SUPPORTS_MIPS16
193         select SYS_HAS_EARLY_PRINTK
194         select USE_GENERIC_EARLY_PRINTK_8250
195         select GPIOLIB
196         select LEDS_GPIO_REGISTER
197         select BCM47XX_NVRAM
198         help
199          Support for BCM47XX based boards
200 
201 config BCM63XX
202         bool "Broadcom BCM63XX based boards"
203         select BOOT_RAW
204         select CEVT_R4K
205         select CSRC_R4K
206         select SYNC_R4K
207         select DMA_NONCOHERENT
208         select IRQ_MIPS_CPU
209         select SYS_SUPPORTS_32BIT_KERNEL
210         select SYS_SUPPORTS_BIG_ENDIAN
211         select SYS_HAS_EARLY_PRINTK
212         select SWAP_IO_SPACE
213         select ARCH_REQUIRE_GPIOLIB
214         select HAVE_CLK
215         select MIPS_L1_CACHE_SHIFT_4
216         help
217          Support for BCM63XX based boards
218 
219 config MIPS_COBALT
220         bool "Cobalt Server"
221         select CEVT_R4K
222         select CSRC_R4K
223         select CEVT_GT641XX
224         select DMA_NONCOHERENT
225         select HW_HAS_PCI
226         select I8253
227         select I8259
228         select IRQ_MIPS_CPU
229         select IRQ_GT641XX
230         select PCI_GT64XXX_PCI0
231         select PCI
232         select SYS_HAS_CPU_NEVADA
233         select SYS_HAS_EARLY_PRINTK
234         select SYS_SUPPORTS_32BIT_KERNEL
235         select SYS_SUPPORTS_64BIT_KERNEL
236         select SYS_SUPPORTS_LITTLE_ENDIAN
237         select USE_GENERIC_EARLY_PRINTK_8250
238 
239 config MACH_DECSTATION
240         bool "DECstations"
241         select BOOT_ELF32
242         select CEVT_DS1287
243         select CEVT_R4K if CPU_R4X00
244         select CSRC_IOASIC
245         select CSRC_R4K if CPU_R4X00
246         select CPU_DADDI_WORKAROUNDS if 64BIT
247         select CPU_R4000_WORKAROUNDS if 64BIT
248         select CPU_R4400_WORKAROUNDS if 64BIT
249         select DMA_NONCOHERENT
250         select NO_IOPORT_MAP
251         select IRQ_MIPS_CPU
252         select SYS_HAS_CPU_R3000
253         select SYS_HAS_CPU_R4X00
254         select SYS_SUPPORTS_32BIT_KERNEL
255         select SYS_SUPPORTS_64BIT_KERNEL
256         select SYS_SUPPORTS_LITTLE_ENDIAN
257         select SYS_SUPPORTS_128HZ
258         select SYS_SUPPORTS_256HZ
259         select SYS_SUPPORTS_1024HZ
260         select MIPS_L1_CACHE_SHIFT_4
261         help
262           This enables support for DEC's MIPS based workstations.  For details
263           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
264           DECstation porting pages on <http://decstation.unix-ag.org/>.
265 
266           If you have one of the following DECstation Models you definitely
267           want to choose R4xx0 for the CPU Type:
268 
269                 DECstation 5000/50
270                 DECstation 5000/150
271                 DECstation 5000/260
272                 DECsystem 5900/260
273 
274           otherwise choose R3000.
275 
276 config MACH_JAZZ
277         bool "Jazz family of machines"
278         select FW_ARC
279         select FW_ARC32
280         select ARCH_MAY_HAVE_PC_FDC
281         select CEVT_R4K
282         select CSRC_R4K
283         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
284         select GENERIC_ISA_DMA
285         select HAVE_PCSPKR_PLATFORM
286         select IRQ_MIPS_CPU
287         select I8253
288         select I8259
289         select ISA
290         select SYS_HAS_CPU_R4X00
291         select SYS_SUPPORTS_32BIT_KERNEL
292         select SYS_SUPPORTS_64BIT_KERNEL
293         select SYS_SUPPORTS_100HZ
294         help
295          This a family of machines based on the MIPS R4030 chipset which was
296          used by several vendors to build RISC/os and Windows NT workstations.
297          Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
298          Olivetti M700-10 workstations.
299 
300 config MACH_INGENIC
301         bool "Ingenic SoC based machines"
302         select SYS_SUPPORTS_32BIT_KERNEL
303         select SYS_SUPPORTS_LITTLE_ENDIAN
304         select SYS_SUPPORTS_ZBOOT_UART16550
305         select DMA_NONCOHERENT
306         select IRQ_MIPS_CPU
307         select ARCH_REQUIRE_GPIOLIB
308         select COMMON_CLK
309         select GENERIC_IRQ_CHIP
310         select BUILTIN_DTB
311         select USE_OF
312         select LIBFDT
313 
314 config LANTIQ
315         bool "Lantiq based platforms"
316         select DMA_NONCOHERENT
317         select IRQ_MIPS_CPU
318         select CEVT_R4K
319         select CSRC_R4K
320         select SYS_HAS_CPU_MIPS32_R1
321         select SYS_HAS_CPU_MIPS32_R2
322         select SYS_SUPPORTS_BIG_ENDIAN
323         select SYS_SUPPORTS_32BIT_KERNEL
324         select SYS_SUPPORTS_MIPS16
325         select SYS_SUPPORTS_MULTITHREADING
326         select SYS_HAS_EARLY_PRINTK
327         select ARCH_REQUIRE_GPIOLIB
328         select SWAP_IO_SPACE
329         select BOOT_RAW
330         select HAVE_MACH_CLKDEV
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 HAVE_MACH_CLKDEV
593         select CLKDEV_LOOKUP
594         select ARCH_HAS_RESET_CONTROLLER
595         select RESET_CONTROLLER
596 
597 config SGI_IP22
598         bool "SGI IP22 (Indy/Indigo2)"
599         select FW_ARC
600         select FW_ARC32
601         select BOOT_ELF32
602         select CEVT_R4K
603         select CSRC_R4K
604         select DEFAULT_SGI_PARTITION
605         select DMA_NONCOHERENT
606         select HW_HAS_EISA
607         select I8253
608         select I8259
609         select IP22_CPU_SCACHE
610         select IRQ_MIPS_CPU
611         select GENERIC_ISA_DMA_SUPPORT_BROKEN
612         select SGI_HAS_I8042
613         select SGI_HAS_INDYDOG
614         select SGI_HAS_HAL2
615         select SGI_HAS_SEEQ
616         select SGI_HAS_WD93
617         select SGI_HAS_ZILOG
618         select SWAP_IO_SPACE
619         select SYS_HAS_CPU_R4X00
620         select SYS_HAS_CPU_R5000
621         #
622         # Disable EARLY_PRINTK for now since it leads to overwritten prom
623         # memory during early boot on some machines.
624         #
625         # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
626         # for a more details discussion
627         #
628         # select SYS_HAS_EARLY_PRINTK
629         select SYS_SUPPORTS_32BIT_KERNEL
630         select SYS_SUPPORTS_64BIT_KERNEL
631         select SYS_SUPPORTS_BIG_ENDIAN
632         select MIPS_L1_CACHE_SHIFT_7
633         help
634           This are the SGI Indy, Challenge S and Indigo2, as well as certain
635           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
636           that runs on these, say Y here.
637 
638 config SGI_IP27
639         bool "SGI IP27 (Origin200/2000)"
640         select FW_ARC
641         select FW_ARC64
642         select BOOT_ELF64
643         select DEFAULT_SGI_PARTITION
644         select DMA_COHERENT
645         select SYS_HAS_EARLY_PRINTK
646         select HW_HAS_PCI
647         select NR_CPUS_DEFAULT_64
648         select SYS_HAS_CPU_R10000
649         select SYS_SUPPORTS_64BIT_KERNEL
650         select SYS_SUPPORTS_BIG_ENDIAN
651         select SYS_SUPPORTS_NUMA
652         select SYS_SUPPORTS_SMP
653         select MIPS_L1_CACHE_SHIFT_7
654         help
655           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
656           workstations.  To compile a Linux kernel that runs on these, say Y
657           here.
658 
659 config SGI_IP28
660         bool "SGI IP28 (Indigo2 R10k)"
661         select FW_ARC
662         select FW_ARC64
663         select BOOT_ELF64
664         select CEVT_R4K
665         select CSRC_R4K
666         select DEFAULT_SGI_PARTITION
667         select DMA_NONCOHERENT
668         select GENERIC_ISA_DMA_SUPPORT_BROKEN
669         select IRQ_MIPS_CPU
670         select HW_HAS_EISA
671         select I8253
672         select I8259
673         select SGI_HAS_I8042
674         select SGI_HAS_INDYDOG
675         select SGI_HAS_HAL2
676         select SGI_HAS_SEEQ
677         select SGI_HAS_WD93
678         select SGI_HAS_ZILOG
679         select SWAP_IO_SPACE
680         select SYS_HAS_CPU_R10000
681         #
682         # Disable EARLY_PRINTK for now since it leads to overwritten prom
683         # memory during early boot on some machines.
684         #
685         # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
686         # for a more details discussion
687         #
688         # select SYS_HAS_EARLY_PRINTK
689         select SYS_SUPPORTS_64BIT_KERNEL
690         select SYS_SUPPORTS_BIG_ENDIAN
691         select MIPS_L1_CACHE_SHIFT_7
692       help
693         This is the SGI Indigo2 with R10000 processor.  To compile a Linux
694         kernel that runs on these, say Y here.
695 
696 config SGI_IP32
697         bool "SGI IP32 (O2)"
698         select FW_ARC
699         select FW_ARC32
700         select BOOT_ELF32
701         select CEVT_R4K
702         select CSRC_R4K
703         select DMA_NONCOHERENT
704         select HW_HAS_PCI
705         select IRQ_MIPS_CPU
706         select R5000_CPU_SCACHE
707         select RM7000_CPU_SCACHE
708         select SYS_HAS_CPU_R5000
709         select SYS_HAS_CPU_R10000 if BROKEN
710         select SYS_HAS_CPU_RM7000
711         select SYS_HAS_CPU_NEVADA
712         select SYS_SUPPORTS_64BIT_KERNEL
713         select SYS_SUPPORTS_BIG_ENDIAN
714         help
715           If you want this kernel to run on SGI O2 workstation, say Y here.
716 
717 config SIBYTE_CRHINE
718         bool "Sibyte BCM91120C-CRhine"
719         select BOOT_ELF32
720         select DMA_COHERENT
721         select SIBYTE_BCM1120
722         select SWAP_IO_SPACE
723         select SYS_HAS_CPU_SB1
724         select SYS_SUPPORTS_BIG_ENDIAN
725         select SYS_SUPPORTS_LITTLE_ENDIAN
726 
727 config SIBYTE_CARMEL
728         bool "Sibyte BCM91120x-Carmel"
729         select BOOT_ELF32
730         select DMA_COHERENT
731         select SIBYTE_BCM1120
732         select SWAP_IO_SPACE
733         select SYS_HAS_CPU_SB1
734         select SYS_SUPPORTS_BIG_ENDIAN
735         select SYS_SUPPORTS_LITTLE_ENDIAN
736 
737 config SIBYTE_CRHONE
738         bool "Sibyte BCM91125C-CRhone"
739         select BOOT_ELF32
740         select DMA_COHERENT
741         select SIBYTE_BCM1125
742         select SWAP_IO_SPACE
743         select SYS_HAS_CPU_SB1
744         select SYS_SUPPORTS_BIG_ENDIAN
745         select SYS_SUPPORTS_HIGHMEM
746         select SYS_SUPPORTS_LITTLE_ENDIAN
747 
748 config SIBYTE_RHONE
749         bool "Sibyte BCM91125E-Rhone"
750         select BOOT_ELF32
751         select DMA_COHERENT
752         select SIBYTE_BCM1125H
753         select SWAP_IO_SPACE
754         select SYS_HAS_CPU_SB1
755         select SYS_SUPPORTS_BIG_ENDIAN
756         select SYS_SUPPORTS_LITTLE_ENDIAN
757 
758 config SIBYTE_SWARM
759         bool "Sibyte BCM91250A-SWARM"
760         select BOOT_ELF32
761         select DMA_COHERENT
762         select HAVE_PATA_PLATFORM
763         select SIBYTE_SB1250
764         select SWAP_IO_SPACE
765         select SYS_HAS_CPU_SB1
766         select SYS_SUPPORTS_BIG_ENDIAN
767         select SYS_SUPPORTS_HIGHMEM
768         select SYS_SUPPORTS_LITTLE_ENDIAN
769         select ZONE_DMA32 if 64BIT
770 
771 config SIBYTE_LITTLESUR
772         bool "Sibyte BCM91250C2-LittleSur"
773         select BOOT_ELF32
774         select DMA_COHERENT
775         select HAVE_PATA_PLATFORM
776         select SIBYTE_SB1250
777         select SWAP_IO_SPACE
778         select SYS_HAS_CPU_SB1
779         select SYS_SUPPORTS_BIG_ENDIAN
780         select SYS_SUPPORTS_HIGHMEM
781         select SYS_SUPPORTS_LITTLE_ENDIAN
782 
783 config SIBYTE_SENTOSA
784         bool "Sibyte BCM91250E-Sentosa"
785         select BOOT_ELF32
786         select DMA_COHERENT
787         select SIBYTE_SB1250
788         select SWAP_IO_SPACE
789         select SYS_HAS_CPU_SB1
790         select SYS_SUPPORTS_BIG_ENDIAN
791         select SYS_SUPPORTS_LITTLE_ENDIAN
792 
793 config SIBYTE_BIGSUR
794         bool "Sibyte BCM91480B-BigSur"
795         select BOOT_ELF32
796         select DMA_COHERENT
797         select NR_CPUS_DEFAULT_4
798         select SIBYTE_BCM1x80
799         select SWAP_IO_SPACE
800         select SYS_HAS_CPU_SB1
801         select SYS_SUPPORTS_BIG_ENDIAN
802         select SYS_SUPPORTS_HIGHMEM
803         select SYS_SUPPORTS_LITTLE_ENDIAN
804         select ZONE_DMA32 if 64BIT
805 
806 config SNI_RM
807         bool "SNI RM200/300/400"
808         select FW_ARC if CPU_LITTLE_ENDIAN
809         select FW_ARC32 if CPU_LITTLE_ENDIAN
810         select FW_SNIPROM if CPU_BIG_ENDIAN
811         select ARCH_MAY_HAVE_PC_FDC
812         select BOOT_ELF32
813         select CEVT_R4K
814         select CSRC_R4K
815         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
816         select DMA_NONCOHERENT
817         select GENERIC_ISA_DMA
818         select HAVE_PCSPKR_PLATFORM
819         select HW_HAS_EISA
820         select HW_HAS_PCI
821         select IRQ_MIPS_CPU
822         select I8253
823         select I8259
824         select ISA
825         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
826         select SYS_HAS_CPU_R4X00
827         select SYS_HAS_CPU_R5000
828         select SYS_HAS_CPU_R10000
829         select R5000_CPU_SCACHE
830         select SYS_HAS_EARLY_PRINTK
831         select SYS_SUPPORTS_32BIT_KERNEL
832         select SYS_SUPPORTS_64BIT_KERNEL
833         select SYS_SUPPORTS_BIG_ENDIAN
834         select SYS_SUPPORTS_HIGHMEM
835         select SYS_SUPPORTS_LITTLE_ENDIAN
836         help
837           The SNI RM200/300/400 are MIPS-based machines manufactured by
838           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
839           Technology and now in turn merged with Fujitsu.  Say Y here to
840           support this machine type.
841 
842 config MACH_TX39XX
843         bool "Toshiba TX39 series based machines"
844 
845 config MACH_TX49XX
846         bool "Toshiba TX49 series based machines"
847 
848 config MIKROTIK_RB532
849         bool "Mikrotik RB532 boards"
850         select CEVT_R4K
851         select CSRC_R4K
852         select DMA_NONCOHERENT
853         select HW_HAS_PCI
854         select IRQ_MIPS_CPU
855         select SYS_HAS_CPU_MIPS32_R1
856         select SYS_SUPPORTS_32BIT_KERNEL
857         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select SWAP_IO_SPACE
859         select BOOT_RAW
860         select ARCH_REQUIRE_GPIOLIB
861         select MIPS_L1_CACHE_SHIFT_4
862         help
863           Support the Mikrotik(tm) RouterBoard 532 series,
864           based on the IDT RC32434 SoC.
865 
866 config CAVIUM_OCTEON_SOC
867         bool "Cavium Networks Octeon SoC based boards"
868         select CEVT_R4K
869         select ARCH_PHYS_ADDR_T_64BIT
870         select DMA_COHERENT
871         select SYS_SUPPORTS_64BIT_KERNEL
872         select SYS_SUPPORTS_BIG_ENDIAN
873         select EDAC_SUPPORT
874         select EDAC_ATOMIC_SCRUB
875         select SYS_SUPPORTS_LITTLE_ENDIAN
876         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
877         select SYS_HAS_EARLY_PRINTK
878         select SYS_HAS_CPU_CAVIUM_OCTEON
879         select SWAP_IO_SPACE
880         select HW_HAS_PCI
881         select ZONE_DMA32
882         select HOLES_IN_ZONE
883         select ARCH_REQUIRE_GPIOLIB
884         select LIBFDT
885         select USE_OF
886         select ARCH_SPARSEMEM_ENABLE
887         select SYS_SUPPORTS_SMP
888         select NR_CPUS_DEFAULT_16
889         select BUILTIN_DTB
890         select MTD_COMPLEX_MAPPINGS
891         help
892           This option supports all of the Octeon reference boards from Cavium
893           Networks. It builds a kernel that dynamically determines the Octeon
894           CPU type and supports all known board reference implementations.
895           Some of the supported boards are:
896                 EBT3000
897                 EBH3000
898                 EBH3100
899                 Thunder
900                 Kodama
901                 Hikari
902           Say Y here for most Octeon reference boards.
903 
904 config NLM_XLR_BOARD
905         bool "Netlogic XLR/XLS based systems"
906         select BOOT_ELF32
907         select NLM_COMMON
908         select SYS_HAS_CPU_XLR
909         select SYS_SUPPORTS_SMP
910         select HW_HAS_PCI
911         select SWAP_IO_SPACE
912         select SYS_SUPPORTS_32BIT_KERNEL
913         select SYS_SUPPORTS_64BIT_KERNEL
914         select ARCH_PHYS_ADDR_T_64BIT
915         select SYS_SUPPORTS_BIG_ENDIAN
916         select SYS_SUPPORTS_HIGHMEM
917         select DMA_COHERENT
918         select NR_CPUS_DEFAULT_32
919         select CEVT_R4K
920         select CSRC_R4K
921         select IRQ_MIPS_CPU
922         select ZONE_DMA32 if 64BIT
923         select SYNC_R4K
924         select SYS_HAS_EARLY_PRINTK
925         select SYS_SUPPORTS_ZBOOT
926         select SYS_SUPPORTS_ZBOOT_UART16550
927         help
928           Support for systems based on Netlogic XLR and XLS processors.
929           Say Y here if you have a XLR or XLS based board.
930 
931 config NLM_XLP_BOARD
932         bool "Netlogic XLP based systems"
933         select BOOT_ELF32
934         select NLM_COMMON
935         select SYS_HAS_CPU_XLP
936         select SYS_SUPPORTS_SMP
937         select HW_HAS_PCI
938         select SYS_SUPPORTS_32BIT_KERNEL
939         select SYS_SUPPORTS_64BIT_KERNEL
940         select ARCH_PHYS_ADDR_T_64BIT
941         select ARCH_REQUIRE_GPIOLIB
942         select SYS_SUPPORTS_BIG_ENDIAN
943         select SYS_SUPPORTS_LITTLE_ENDIAN
944         select SYS_SUPPORTS_HIGHMEM
945         select DMA_COHERENT
946         select NR_CPUS_DEFAULT_32
947         select CEVT_R4K
948         select CSRC_R4K
949         select IRQ_MIPS_CPU
950         select ZONE_DMA32 if 64BIT
951         select SYNC_R4K
952         select SYS_HAS_EARLY_PRINTK
953         select USE_OF
954         select SYS_SUPPORTS_ZBOOT
955         select SYS_SUPPORTS_ZBOOT_UART16550
956         help
957           This board is based on Netlogic XLP Processor.
958           Say Y here if you have a XLP based board.
959 
960 config MIPS_PARAVIRT
961         bool "Para-Virtualized guest system"
962         select CEVT_R4K
963         select CSRC_R4K
964         select DMA_COHERENT
965         select SYS_SUPPORTS_64BIT_KERNEL
966         select SYS_SUPPORTS_32BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN
968         select SYS_SUPPORTS_SMP
969         select NR_CPUS_DEFAULT_4
970         select SYS_HAS_EARLY_PRINTK
971         select SYS_HAS_CPU_MIPS32_R2
972         select SYS_HAS_CPU_MIPS64_R2
973         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HW_HAS_PCI
975         select SWAP_IO_SPACE
976         help
977           This option supports guest running under ????
978 
979 endchoice
980 
981 source "arch/mips/alchemy/Kconfig"
982 source "arch/mips/ath25/Kconfig"
983 source "arch/mips/ath79/Kconfig"
984 source "arch/mips/bcm47xx/Kconfig"
985 source "arch/mips/bcm63xx/Kconfig"
986 source "arch/mips/bmips/Kconfig"
987 source "arch/mips/jazz/Kconfig"
988 source "arch/mips/jz4740/Kconfig"
989 source "arch/mips/lantiq/Kconfig"
990 source "arch/mips/lasat/Kconfig"
991 source "arch/mips/pic32/Kconfig"
992 source "arch/mips/pistachio/Kconfig"
993 source "arch/mips/pmcs-msp71xx/Kconfig"
994 source "arch/mips/ralink/Kconfig"
995 source "arch/mips/sgi-ip27/Kconfig"
996 source "arch/mips/sibyte/Kconfig"
997 source "arch/mips/txx9/Kconfig"
998 source "arch/mips/vr41xx/Kconfig"
999 source "arch/mips/cavium-octeon/Kconfig"
1000 source "arch/mips/loongson32/Kconfig"
1001 source "arch/mips/loongson64/Kconfig"
1002 source "arch/mips/netlogic/Kconfig"
1003 source "arch/mips/paravirt/Kconfig"
1004 source "arch/mips/xilfpga/Kconfig"
1005 
1006 endmenu
1007 
1008 config RWSEM_GENERIC_SPINLOCK
1009         bool
1010         default y
1011 
1012 config RWSEM_XCHGADD_ALGORITHM
1013         bool
1014 
1015 config ARCH_HAS_ILOG2_U32
1016         bool
1017         default n
1018 
1019 config ARCH_HAS_ILOG2_U64
1020         bool
1021         default n
1022 
1023 config GENERIC_HWEIGHT
1024         bool
1025         default y
1026 
1027 config GENERIC_CALIBRATE_DELAY
1028         bool
1029         default y
1030 
1031 config SCHED_OMIT_FRAME_POINTER
1032         bool
1033         default y
1034 
1035 #
1036 # Select some configuration options automatically based on user selections.
1037 #
1038 config FW_ARC
1039         bool
1040 
1041 config ARCH_MAY_HAVE_PC_FDC
1042         bool
1043 
1044 config BOOT_RAW
1045         bool
1046 
1047 config CEVT_BCM1480
1048         bool
1049 
1050 config CEVT_DS1287
1051         bool
1052 
1053 config CEVT_GT641XX
1054         bool
1055 
1056 config CEVT_R4K
1057         bool
1058 
1059 config CEVT_SB1250
1060         bool
1061 
1062 config CEVT_TXX9
1063         bool
1064 
1065 config CSRC_BCM1480
1066         bool
1067 
1068 config CSRC_IOASIC
1069         bool
1070 
1071 config CSRC_R4K
1072         bool
1073 
1074 config CSRC_SB1250
1075         bool
1076 
1077 config MIPS_CLOCK_VSYSCALL
1078         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1079 
1080 config GPIO_TXX9
1081         select ARCH_REQUIRE_GPIOLIB
1082         bool
1083 
1084 config FW_CFE
1085         bool
1086 
1087 config ARCH_DMA_ADDR_T_64BIT
1088         def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1089 
1090 config ARCH_SUPPORTS_UPROBES
1091         bool
1092 
1093 config DMA_MAYBE_COHERENT
1094         select DMA_NONCOHERENT
1095         bool
1096 
1097 config DMA_COHERENT
1098         bool
1099 
1100 config DMA_NONCOHERENT
1101         bool
1102         select NEED_DMA_MAP_STATE
1103 
1104 config NEED_DMA_MAP_STATE
1105         bool
1106 
1107 config SYS_HAS_EARLY_PRINTK
1108         bool
1109 
1110 config HOTPLUG_CPU
1111         bool "Support for hot-pluggable CPUs"
1112         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1113         help
1114           Say Y here to allow turning CPUs off and on. CPUs can be
1115           controlled through /sys/devices/system/cpu.
1116           (Note: power management support will enable this option
1117             automatically on SMP systems. )
1118           Say N if you want to disable CPU hotplug.
1119 
1120 config SYS_SUPPORTS_HOTPLUG_CPU
1121         bool
1122 
1123 config MIPS_BONITO64
1124         bool
1125 
1126 config MIPS_MSC
1127         bool
1128 
1129 config MIPS_NILE4
1130         bool
1131 
1132 config SYNC_R4K
1133         bool
1134 
1135 config MIPS_MACHINE
1136         def_bool n
1137 
1138 config NO_IOPORT_MAP
1139         def_bool n
1140 
1141 config GENERIC_CSUM
1142         bool
1143 
1144 config GENERIC_ISA_DMA
1145         bool
1146         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1147         select ISA_DMA_API
1148 
1149 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1150         bool
1151         select GENERIC_ISA_DMA
1152 
1153 config ISA_DMA_API
1154         bool
1155 
1156 config HOLES_IN_ZONE
1157         bool
1158 
1159 #
1160 # Endianness selection.  Sufficiently obscure so many users don't know what to
1161 # answer,so we try hard to limit the available choices.  Also the use of a
1162 # choice statement should be more obvious to the user.
1163 #
1164 choice
1165         prompt "Endianness selection"
1166         help
1167           Some MIPS machines can be configured for either little or big endian
1168           byte order. These modes require different kernels and a different
1169           Linux distribution.  In general there is one preferred byteorder for a
1170           particular system but some systems are just as commonly used in the
1171           one or the other endianness.
1172 
1173 config CPU_BIG_ENDIAN
1174         bool "Big endian"
1175         depends on SYS_SUPPORTS_BIG_ENDIAN
1176 
1177 config CPU_LITTLE_ENDIAN
1178         bool "Little endian"
1179         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1180 
1181 endchoice
1182 
1183 config EXPORT_UASM
1184         bool
1185 
1186 config SYS_SUPPORTS_APM_EMULATION
1187         bool
1188 
1189 config SYS_SUPPORTS_BIG_ENDIAN
1190         bool
1191 
1192 config SYS_SUPPORTS_LITTLE_ENDIAN
1193         bool
1194 
1195 config SYS_SUPPORTS_HUGETLBFS
1196         bool
1197         depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1198         default y
1199 
1200 config MIPS_HUGE_TLB_SUPPORT
1201         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1202 
1203 config IRQ_CPU_RM7K
1204         bool
1205 
1206 config IRQ_MSP_SLP
1207         bool
1208 
1209 config IRQ_MSP_CIC
1210         bool
1211 
1212 config IRQ_TXX9
1213         bool
1214 
1215 config IRQ_GT641XX
1216         bool
1217 
1218 config PCI_GT64XXX_PCI0
1219         bool
1220 
1221 config NO_EXCEPT_FILL
1222         bool
1223 
1224 config SOC_EMMA2RH
1225         bool
1226         select CEVT_R4K
1227         select CSRC_R4K
1228         select DMA_NONCOHERENT
1229         select IRQ_MIPS_CPU
1230         select SWAP_IO_SPACE
1231         select SYS_HAS_CPU_R5500
1232         select SYS_SUPPORTS_32BIT_KERNEL
1233         select SYS_SUPPORTS_64BIT_KERNEL
1234         select SYS_SUPPORTS_BIG_ENDIAN
1235 
1236 config SOC_PNX833X
1237         bool
1238         select CEVT_R4K
1239         select CSRC_R4K
1240         select IRQ_MIPS_CPU
1241         select DMA_NONCOHERENT
1242         select SYS_HAS_CPU_MIPS32_R2
1243         select SYS_SUPPORTS_32BIT_KERNEL
1244         select SYS_SUPPORTS_LITTLE_ENDIAN
1245         select SYS_SUPPORTS_BIG_ENDIAN
1246         select SYS_SUPPORTS_MIPS16
1247         select CPU_MIPSR2_IRQ_VI
1248 
1249 config SOC_PNX8335
1250         bool
1251         select SOC_PNX833X
1252 
1253 config MIPS_SPRAM
1254         bool
1255 
1256 config SWAP_IO_SPACE
1257         bool
1258 
1259 config SGI_HAS_INDYDOG
1260         bool
1261 
1262 config SGI_HAS_HAL2
1263         bool
1264 
1265 config SGI_HAS_SEEQ
1266         bool
1267 
1268 config SGI_HAS_WD93
1269         bool
1270 
1271 config SGI_HAS_ZILOG
1272         bool
1273 
1274 config SGI_HAS_I8042
1275         bool
1276 
1277 config DEFAULT_SGI_PARTITION
1278         bool
1279 
1280 config FW_ARC32
1281         bool
1282 
1283 config FW_SNIPROM
1284         bool
1285 
1286 config BOOT_ELF32
1287         bool
1288 
1289 config MIPS_L1_CACHE_SHIFT_4
1290         bool
1291 
1292 config MIPS_L1_CACHE_SHIFT_5
1293         bool
1294 
1295 config MIPS_L1_CACHE_SHIFT_6
1296         bool
1297 
1298 config MIPS_L1_CACHE_SHIFT_7
1299         bool
1300 
1301 config MIPS_L1_CACHE_SHIFT
1302         int
1303         default "7" if MIPS_L1_CACHE_SHIFT_7
1304         default "6" if MIPS_L1_CACHE_SHIFT_6
1305         default "5" if MIPS_L1_CACHE_SHIFT_5
1306         default "4" if MIPS_L1_CACHE_SHIFT_4
1307         default "5"
1308 
1309 config HAVE_STD_PC_SERIAL_PORT
1310         bool
1311 
1312 config ARC_CONSOLE
1313         bool "ARC console support"
1314         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1315 
1316 config ARC_MEMORY
1317         bool
1318         depends on MACH_JAZZ || SNI_RM || SGI_IP32
1319         default y
1320 
1321 config ARC_PROMLIB
1322         bool
1323         depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1324         default y
1325 
1326 config FW_ARC64
1327         bool
1328 
1329 config BOOT_ELF64
1330         bool
1331 
1332 menu "CPU selection"
1333 
1334 choice
1335         prompt "CPU type"
1336         default CPU_R4X00
1337 
1338 config CPU_LOONGSON3
1339         bool "Loongson 3 CPU"
1340         depends on SYS_HAS_CPU_LOONGSON3
1341         select CPU_SUPPORTS_64BIT_KERNEL
1342         select CPU_SUPPORTS_HIGHMEM
1343         select CPU_SUPPORTS_HUGEPAGES
1344         select WEAK_ORDERING
1345         select WEAK_REORDERING_BEYOND_LLSC
1346         select ARCH_REQUIRE_GPIOLIB
1347         help
1348                 The Loongson 3 processor implements the MIPS64R2 instruction
1349                 set with many extensions.
1350 
1351 config CPU_LOONGSON2E
1352         bool "Loongson 2E"
1353         depends on SYS_HAS_CPU_LOONGSON2E
1354         select CPU_LOONGSON2
1355         help
1356           The Loongson 2E processor implements the MIPS III instruction set
1357           with many extensions.
1358 
1359           It has an internal FPGA northbridge, which is compatible to
1360           bonito64.
1361 
1362 config CPU_LOONGSON2F
1363         bool "Loongson 2F"
1364         depends on SYS_HAS_CPU_LOONGSON2F
1365         select CPU_LOONGSON2
1366         select ARCH_REQUIRE_GPIOLIB
1367         help
1368           The Loongson 2F processor implements the MIPS III instruction set
1369           with many extensions.
1370 
1371           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1372           have a similar programming interface with FPGA northbridge used in
1373           Loongson2E.
1374 
1375 config CPU_LOONGSON1B
1376         bool "Loongson 1B"
1377         depends on SYS_HAS_CPU_LOONGSON1B
1378         select CPU_LOONGSON1
1379         help
1380           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1381           release 2 instruction set.
1382 
1383 config CPU_MIPS32_R1
1384         bool "MIPS32 Release 1"
1385         depends on SYS_HAS_CPU_MIPS32_R1
1386         select CPU_HAS_PREFETCH
1387         select CPU_SUPPORTS_32BIT_KERNEL
1388         select CPU_SUPPORTS_HIGHMEM
1389         help
1390           Choose this option to build a kernel for release 1 or later of the
1391           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1392           MIPS processor are based on a MIPS32 processor.  If you know the
1393           specific type of processor in your system, choose those that one
1394           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1395           Release 2 of the MIPS32 architecture is available since several
1396           years so chances are you even have a MIPS32 Release 2 processor
1397           in which case you should choose CPU_MIPS32_R2 instead for better
1398           performance.
1399 
1400 config CPU_MIPS32_R2
1401         bool "MIPS32 Release 2"
1402         depends on SYS_HAS_CPU_MIPS32_R2
1403         select CPU_HAS_PREFETCH
1404         select CPU_SUPPORTS_32BIT_KERNEL
1405         select CPU_SUPPORTS_HIGHMEM
1406         select CPU_SUPPORTS_MSA
1407         select HAVE_KVM
1408         help
1409           Choose this option to build a kernel for release 2 or later of the
1410           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1411           MIPS processor are based on a MIPS32 processor.  If you know the
1412           specific type of processor in your system, choose those that one
1413           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1414 
1415 config CPU_MIPS32_R6
1416         bool "MIPS32 Release 6"
1417         depends on SYS_HAS_CPU_MIPS32_R6
1418         select CPU_HAS_PREFETCH
1419         select CPU_SUPPORTS_32BIT_KERNEL
1420         select CPU_SUPPORTS_HIGHMEM
1421         select CPU_SUPPORTS_MSA
1422         select GENERIC_CSUM
1423         select HAVE_KVM
1424         select MIPS_O32_FP64_SUPPORT
1425         help
1426           Choose this option to build a kernel for release 6 or later of the
1427           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1428           family, are based on a MIPS32r6 processor. If you own an older
1429           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1430 
1431 config CPU_MIPS64_R1
1432         bool "MIPS64 Release 1"
1433         depends on SYS_HAS_CPU_MIPS64_R1
1434         select CPU_HAS_PREFETCH
1435         select CPU_SUPPORTS_32BIT_KERNEL
1436         select CPU_SUPPORTS_64BIT_KERNEL
1437         select CPU_SUPPORTS_HIGHMEM
1438         select CPU_SUPPORTS_HUGEPAGES
1439         help
1440           Choose this option to build a kernel for release 1 or later of the
1441           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1442           MIPS processor are based on a MIPS64 processor.  If you know the
1443           specific type of processor in your system, choose those that one
1444           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1445           Release 2 of the MIPS64 architecture is available since several
1446           years so chances are you even have a MIPS64 Release 2 processor
1447           in which case you should choose CPU_MIPS64_R2 instead for better
1448           performance.
1449 
1450 config CPU_MIPS64_R2
1451         bool "MIPS64 Release 2"
1452         depends on SYS_HAS_CPU_MIPS64_R2
1453         select CPU_HAS_PREFETCH
1454         select CPU_SUPPORTS_32BIT_KERNEL
1455         select CPU_SUPPORTS_64BIT_KERNEL
1456         select CPU_SUPPORTS_HIGHMEM
1457         select CPU_SUPPORTS_HUGEPAGES
1458         select CPU_SUPPORTS_MSA
1459         help
1460           Choose this option to build a kernel for release 2 or later of the
1461           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1462           MIPS processor are based on a MIPS64 processor.  If you know the
1463           specific type of processor in your system, choose those that one
1464           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1465 
1466 config CPU_MIPS64_R6
1467         bool "MIPS64 Release 6"
1468         depends on SYS_HAS_CPU_MIPS64_R6
1469         select CPU_HAS_PREFETCH
1470         select CPU_SUPPORTS_32BIT_KERNEL
1471         select CPU_SUPPORTS_64BIT_KERNEL
1472         select CPU_SUPPORTS_HIGHMEM
1473         select CPU_SUPPORTS_MSA
1474         select GENERIC_CSUM
1475         select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1476         help
1477           Choose this option to build a kernel for release 6 or later of the
1478           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1479           family, are based on a MIPS64r6 processor. If you own an older
1480           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1481 
1482 config CPU_R3000
1483         bool "R3000"
1484         depends on SYS_HAS_CPU_R3000
1485         select CPU_HAS_WB
1486         select CPU_SUPPORTS_32BIT_KERNEL
1487         select CPU_SUPPORTS_HIGHMEM
1488         help
1489           Please make sure to pick the right CPU type. Linux/MIPS is not
1490           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1491           *not* work on R4000 machines and vice versa.  However, since most
1492           of the supported machines have an R4000 (or similar) CPU, R4x00
1493           might be a safe bet.  If the resulting kernel does not work,
1494           try to recompile with R3000.
1495 
1496 config CPU_TX39XX
1497         bool "R39XX"
1498         depends on SYS_HAS_CPU_TX39XX
1499         select CPU_SUPPORTS_32BIT_KERNEL
1500 
1501 config CPU_VR41XX
1502         bool "R41xx"
1503         depends on SYS_HAS_CPU_VR41XX
1504         select CPU_SUPPORTS_32BIT_KERNEL
1505         select CPU_SUPPORTS_64BIT_KERNEL
1506         help
1507           The options selects support for the NEC VR4100 series of processors.
1508           Only choose this option if you have one of these processors as a
1509           kernel built with this option will not run on any other type of
1510           processor or vice versa.
1511 
1512 config CPU_R4300
1513         bool "R4300"
1514         depends on SYS_HAS_CPU_R4300
1515         select CPU_SUPPORTS_32BIT_KERNEL
1516         select CPU_SUPPORTS_64BIT_KERNEL
1517         help
1518           MIPS Technologies R4300-series processors.
1519 
1520 config CPU_R4X00
1521         bool "R4x00"
1522         depends on SYS_HAS_CPU_R4X00
1523         select CPU_SUPPORTS_32BIT_KERNEL
1524         select CPU_SUPPORTS_64BIT_KERNEL
1525         select CPU_SUPPORTS_HUGEPAGES
1526         help
1527           MIPS Technologies R4000-series processors other than 4300, including
1528           the R4000, R4400, R4600, and 4700.
1529 
1530 config CPU_TX49XX
1531         bool "R49XX"
1532         depends on SYS_HAS_CPU_TX49XX
1533         select CPU_HAS_PREFETCH
1534         select CPU_SUPPORTS_32BIT_KERNEL
1535         select CPU_SUPPORTS_64BIT_KERNEL
1536         select CPU_SUPPORTS_HUGEPAGES
1537 
1538 config CPU_R5000
1539         bool "R5000"
1540         depends on SYS_HAS_CPU_R5000
1541         select CPU_SUPPORTS_32BIT_KERNEL
1542         select CPU_SUPPORTS_64BIT_KERNEL
1543         select CPU_SUPPORTS_HUGEPAGES
1544         help
1545           MIPS Technologies R5000-series processors other than the Nevada.
1546 
1547 config CPU_R5432
1548         bool "R5432"
1549         depends on SYS_HAS_CPU_R5432
1550         select CPU_SUPPORTS_32BIT_KERNEL
1551         select CPU_SUPPORTS_64BIT_KERNEL
1552         select CPU_SUPPORTS_HUGEPAGES
1553 
1554 config CPU_R5500
1555         bool "R5500"
1556         depends on SYS_HAS_CPU_R5500
1557         select CPU_SUPPORTS_32BIT_KERNEL
1558         select CPU_SUPPORTS_64BIT_KERNEL
1559         select CPU_SUPPORTS_HUGEPAGES
1560         help
1561           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1562           instruction set.
1563 
1564 config CPU_R6000
1565         bool "R6000"
1566         depends on SYS_HAS_CPU_R6000
1567         select CPU_SUPPORTS_32BIT_KERNEL
1568         help
1569           MIPS Technologies R6000 and R6000A series processors.  Note these
1570           processors are extremely rare and the support for them is incomplete.
1571 
1572 config CPU_NEVADA
1573         bool "RM52xx"
1574         depends on SYS_HAS_CPU_NEVADA
1575         select CPU_SUPPORTS_32BIT_KERNEL
1576         select CPU_SUPPORTS_64BIT_KERNEL
1577         select CPU_SUPPORTS_HUGEPAGES
1578         help
1579           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1580 
1581 config CPU_R8000
1582         bool "R8000"
1583         depends on SYS_HAS_CPU_R8000
1584         select CPU_HAS_PREFETCH
1585         select CPU_SUPPORTS_64BIT_KERNEL
1586         help
1587           MIPS Technologies R8000 processors.  Note these processors are
1588           uncommon and the support for them is incomplete.
1589 
1590 config CPU_R10000
1591         bool "R10000"
1592         depends on SYS_HAS_CPU_R10000
1593         select CPU_HAS_PREFETCH
1594         select CPU_SUPPORTS_32BIT_KERNEL
1595         select CPU_SUPPORTS_64BIT_KERNEL
1596         select CPU_SUPPORTS_HIGHMEM
1597         select CPU_SUPPORTS_HUGEPAGES
1598         help
1599           MIPS Technologies R10000-series processors.
1600 
1601 config CPU_RM7000
1602         bool "RM7000"
1603         depends on SYS_HAS_CPU_RM7000
1604         select CPU_HAS_PREFETCH
1605         select CPU_SUPPORTS_32BIT_KERNEL
1606         select CPU_SUPPORTS_64BIT_KERNEL
1607         select CPU_SUPPORTS_HIGHMEM
1608         select CPU_SUPPORTS_HUGEPAGES
1609 
1610 config CPU_SB1
1611         bool "SB1"
1612         depends on SYS_HAS_CPU_SB1
1613         select CPU_SUPPORTS_32BIT_KERNEL
1614         select CPU_SUPPORTS_64BIT_KERNEL
1615         select CPU_SUPPORTS_HIGHMEM
1616         select CPU_SUPPORTS_HUGEPAGES
1617         select WEAK_ORDERING
1618 
1619 config CPU_CAVIUM_OCTEON
1620         bool "Cavium Octeon processor"
1621         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1622         select CPU_HAS_PREFETCH
1623         select CPU_SUPPORTS_64BIT_KERNEL
1624         select WEAK_ORDERING
1625         select CPU_SUPPORTS_HIGHMEM
1626         select CPU_SUPPORTS_HUGEPAGES
1627         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1628         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1629         select MIPS_L1_CACHE_SHIFT_7
1630         help
1631           The Cavium Octeon processor is a highly integrated chip containing
1632           many ethernet hardware widgets for networking tasks. The processor
1633           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1634           Full details can be found at http://www.caviumnetworks.com.
1635 
1636 config CPU_BMIPS
1637         bool "Broadcom BMIPS"
1638         depends on SYS_HAS_CPU_BMIPS
1639         select CPU_MIPS32
1640         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1641         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1642         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1643         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1644         select CPU_SUPPORTS_32BIT_KERNEL
1645         select DMA_NONCOHERENT
1646         select IRQ_MIPS_CPU
1647         select SWAP_IO_SPACE
1648         select WEAK_ORDERING
1649         select CPU_SUPPORTS_HIGHMEM
1650         select CPU_HAS_PREFETCH
1651         help
1652           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1653 
1654 config CPU_XLR
1655         bool "Netlogic XLR SoC"
1656         depends on SYS_HAS_CPU_XLR
1657         select CPU_SUPPORTS_32BIT_KERNEL
1658         select CPU_SUPPORTS_64BIT_KERNEL
1659         select CPU_SUPPORTS_HIGHMEM
1660         select CPU_SUPPORTS_HUGEPAGES
1661         select WEAK_ORDERING
1662         select WEAK_REORDERING_BEYOND_LLSC
1663         help
1664           Netlogic Microsystems XLR/XLS processors.
1665 
1666 config CPU_XLP
1667         bool "Netlogic XLP SoC"
1668         depends on SYS_HAS_CPU_XLP
1669         select CPU_SUPPORTS_32BIT_KERNEL
1670         select CPU_SUPPORTS_64BIT_KERNEL
1671         select CPU_SUPPORTS_HIGHMEM
1672         select WEAK_ORDERING
1673         select WEAK_REORDERING_BEYOND_LLSC
1674         select CPU_HAS_PREFETCH
1675         select CPU_MIPSR2
1676         select CPU_SUPPORTS_HUGEPAGES
1677         help
1678           Netlogic Microsystems XLP processors.
1679 endchoice
1680 
1681 config CPU_MIPS32_3_5_FEATURES
1682         bool "MIPS32 Release 3.5 Features"
1683         depends on SYS_HAS_CPU_MIPS32_R3_5
1684         depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1685         help
1686           Choose this option to build a kernel for release 2 or later of the
1687           MIPS32 architecture including features from the 3.5 release such as
1688           support for Enhanced Virtual Addressing (EVA).
1689 
1690 config CPU_MIPS32_3_5_EVA
1691         bool "Enhanced Virtual Addressing (EVA)"
1692         depends on CPU_MIPS32_3_5_FEATURES
1693         select EVA
1694         default y
1695         help
1696           Choose this option if you want to enable the Enhanced Virtual
1697           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1698           One of its primary benefits is an increase in the maximum size
1699           of lowmem (up to 3GB). If unsure, say 'N' here.
1700 
1701 config CPU_MIPS32_R5_FEATURES
1702         bool "MIPS32 Release 5 Features"
1703         depends on SYS_HAS_CPU_MIPS32_R5
1704         depends on CPU_MIPS32_R2
1705         help
1706           Choose this option to build a kernel for release 2 or later of the
1707           MIPS32 architecture including features from release 5 such as
1708           support for Extended Physical Addressing (XPA).
1709 
1710 config CPU_MIPS32_R5_XPA
1711         bool "Extended Physical Addressing (XPA)"
1712         depends on CPU_MIPS32_R5_FEATURES
1713         depends on !EVA
1714         depends on !PAGE_SIZE_4KB
1715         depends on SYS_SUPPORTS_HIGHMEM
1716         select XPA
1717         select HIGHMEM
1718         select ARCH_PHYS_ADDR_T_64BIT
1719         default n
1720         help
1721           Choose this option if you want to enable the Extended Physical
1722           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1723           benefit is to increase physical addressing equal to or greater
1724           than 40 bits. Note that this has the side effect of turning on
1725           64-bit addressing which in turn makes the PTEs 64-bit in size.
1726           If unsure, say 'N' here.
1727 
1728 if CPU_LOONGSON2F
1729 config CPU_NOP_WORKAROUNDS
1730         bool
1731 
1732 config CPU_JUMP_WORKAROUNDS
1733         bool
1734 
1735 config CPU_LOONGSON2F_WORKAROUNDS
1736         bool "Loongson 2F Workarounds"
1737         default y
1738         select CPU_NOP_WORKAROUNDS
1739         select CPU_JUMP_WORKAROUNDS
1740         help
1741           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1742           require workarounds.  Without workarounds the system may hang
1743           unexpectedly.  For more information please refer to the gas
1744           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1745 
1746           Loongson 2F03 and later have fixed these issues and no workarounds
1747           are needed.  The workarounds have no significant side effect on them
1748           but may decrease the performance of the system so this option should
1749           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1750           systems.
1751 
1752           If unsure, please say Y.
1753 endif # CPU_LOONGSON2F
1754 
1755 config SYS_SUPPORTS_ZBOOT
1756         bool
1757         select HAVE_KERNEL_GZIP
1758         select HAVE_KERNEL_BZIP2
1759         select HAVE_KERNEL_LZ4
1760         select HAVE_KERNEL_LZMA
1761         select HAVE_KERNEL_LZO
1762         select HAVE_KERNEL_XZ
1763 
1764 config SYS_SUPPORTS_ZBOOT_UART16550
1765         bool
1766         select SYS_SUPPORTS_ZBOOT
1767 
1768 config SYS_SUPPORTS_ZBOOT_UART_PROM
1769         bool
1770         select SYS_SUPPORTS_ZBOOT
1771 
1772 config CPU_LOONGSON2
1773         bool
1774         select CPU_SUPPORTS_32BIT_KERNEL
1775         select CPU_SUPPORTS_64BIT_KERNEL
1776         select CPU_SUPPORTS_HIGHMEM
1777         select CPU_SUPPORTS_HUGEPAGES
1778 
1779 config CPU_LOONGSON1
1780         bool
1781         select CPU_MIPS32
1782         select CPU_MIPSR2
1783         select CPU_HAS_PREFETCH
1784         select CPU_SUPPORTS_32BIT_KERNEL
1785         select CPU_SUPPORTS_HIGHMEM
1786         select CPU_SUPPORTS_CPUFREQ
1787 
1788 config CPU_BMIPS32_3300
1789         select SMP_UP if SMP
1790         bool
1791 
1792 config CPU_BMIPS4350
1793         bool
1794         select SYS_SUPPORTS_SMP
1795         select SYS_SUPPORTS_HOTPLUG_CPU
1796 
1797 config CPU_BMIPS4380
1798         bool
1799         select MIPS_L1_CACHE_SHIFT_6
1800         select SYS_SUPPORTS_SMP
1801         select SYS_SUPPORTS_HOTPLUG_CPU
1802 
1803 config CPU_BMIPS5000
1804         bool
1805         select MIPS_CPU_SCACHE
1806         select MIPS_L1_CACHE_SHIFT_7
1807         select SYS_SUPPORTS_SMP
1808         select SYS_SUPPORTS_HOTPLUG_CPU
1809 
1810 config SYS_HAS_CPU_LOONGSON3
1811         bool
1812         select CPU_SUPPORTS_CPUFREQ
1813 
1814 config SYS_HAS_CPU_LOONGSON2E
1815         bool
1816 
1817 config SYS_HAS_CPU_LOONGSON2F
1818         bool
1819         select CPU_SUPPORTS_CPUFREQ
1820         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1821         select CPU_SUPPORTS_UNCACHED_ACCELERATED
1822 
1823 config SYS_HAS_CPU_LOONGSON1B
1824         bool
1825 
1826 config SYS_HAS_CPU_MIPS32_R1
1827         bool
1828 
1829 config SYS_HAS_CPU_MIPS32_R2
1830         bool
1831 
1832 config SYS_HAS_CPU_MIPS32_R3_5
1833         bool
1834 
1835 config SYS_HAS_CPU_MIPS32_R5
1836         bool
1837 
1838 config SYS_HAS_CPU_MIPS32_R6
1839         bool
1840 
1841 config SYS_HAS_CPU_MIPS64_R1
1842         bool
1843 
1844 config SYS_HAS_CPU_MIPS64_R2
1845         bool
1846 
1847 config SYS_HAS_CPU_MIPS64_R6
1848         bool
1849 
1850 config SYS_HAS_CPU_R3000
1851         bool
1852 
1853 config SYS_HAS_CPU_TX39XX
1854         bool
1855 
1856 config SYS_HAS_CPU_VR41XX
1857         bool
1858 
1859 config SYS_HAS_CPU_R4300
1860         bool
1861 
1862 config SYS_HAS_CPU_R4X00
1863         bool
1864 
1865 config SYS_HAS_CPU_TX49XX
1866         bool
1867 
1868 config SYS_HAS_CPU_R5000
1869         bool
1870 
1871 config SYS_HAS_CPU_R5432
1872         bool
1873 
1874 config SYS_HAS_CPU_R5500
1875         bool
1876 
1877 config SYS_HAS_CPU_R6000
1878         bool
1879 
1880 config SYS_HAS_CPU_NEVADA
1881         bool
1882 
1883 config SYS_HAS_CPU_R8000
1884         bool
1885 
1886 config SYS_HAS_CPU_R10000
1887         bool
1888 
1889 config SYS_HAS_CPU_RM7000
1890         bool
1891 
1892 config SYS_HAS_CPU_SB1
1893         bool
1894 
1895 config SYS_HAS_CPU_CAVIUM_OCTEON
1896         bool
1897 
1898 config SYS_HAS_CPU_BMIPS
1899         bool
1900 
1901 config SYS_HAS_CPU_BMIPS32_3300
1902         bool
1903         select SYS_HAS_CPU_BMIPS
1904 
1905 config SYS_HAS_CPU_BMIPS4350
1906         bool
1907         select SYS_HAS_CPU_BMIPS
1908 
1909 config SYS_HAS_CPU_BMIPS4380
1910         bool
1911         select SYS_HAS_CPU_BMIPS
1912 
1913 config SYS_HAS_CPU_BMIPS5000
1914         bool
1915         select SYS_HAS_CPU_BMIPS
1916 
1917 config SYS_HAS_CPU_XLR
1918         bool
1919 
1920 config SYS_HAS_CPU_XLP
1921         bool
1922 
1923 config MIPS_MALTA_PM
1924         depends on MIPS_MALTA
1925         depends on PCI
1926         bool
1927         default y
1928 
1929 #
1930 # CPU may reorder R->R, R->W, W->R, W->W
1931 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1932 #
1933 config WEAK_ORDERING
1934         bool
1935 
1936 #
1937 # CPU may reorder reads and writes beyond LL/SC
1938 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1939 #
1940 config WEAK_REORDERING_BEYOND_LLSC
1941         bool
1942 endmenu
1943 
1944 #
1945 # These two indicate any level of the MIPS32 and MIPS64 architecture
1946 #
1947 config CPU_MIPS32
1948         bool
1949         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1950 
1951 config CPU_MIPS64
1952         bool
1953         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1954 
1955 #
1956 # These two indicate the revision of the architecture, either Release 1 or Release 2
1957 #
1958 config CPU_MIPSR1
1959         bool
1960         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1961 
1962 config CPU_MIPSR2
1963         bool
1964         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1965         select MIPS_SPRAM
1966 
1967 config CPU_MIPSR6
1968         bool
1969         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1970         select MIPS_SPRAM
1971 
1972 config EVA
1973         bool
1974 
1975 config XPA
1976         bool
1977 
1978 config SYS_SUPPORTS_32BIT_KERNEL
1979         bool
1980 config SYS_SUPPORTS_64BIT_KERNEL
1981         bool
1982 config CPU_SUPPORTS_32BIT_KERNEL
1983         bool
1984 config CPU_SUPPORTS_64BIT_KERNEL
1985         bool
1986 config CPU_SUPPORTS_CPUFREQ
1987         bool
1988 config CPU_SUPPORTS_ADDRWINCFG
1989         bool
1990 config CPU_SUPPORTS_HUGEPAGES
1991         bool
1992 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1993         bool
1994 config MIPS_PGD_C0_CONTEXT
1995         bool
1996         default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1997 
1998 #
1999 # Set to y for ptrace access to watch registers.
2000 #
2001 config HARDWARE_WATCHPOINTS
2002        bool
2003        default y if CPU_MIPSR1 || CPU_MIPSR2
2004 
2005 menu "Kernel type"
2006 
2007 choice
2008         prompt "Kernel code model"
2009         help
2010           You should only select this option if you have a workload that
2011           actually benefits from 64-bit processing or if your machine has
2012           large memory.  You will only be presented a single option in this
2013           menu if your system does not support both 32-bit and 64-bit kernels.
2014 
2015 config 32BIT
2016         bool "32-bit kernel"
2017         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2018         select TRAD_SIGNALS
2019         help
2020           Select this option if you want to build a 32-bit kernel.
2021 
2022 config 64BIT
2023         bool "64-bit kernel"
2024         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2025         help
2026           Select this option if you want to build a 64-bit kernel.
2027 
2028 endchoice
2029 
2030 config KVM_GUEST
2031         bool "KVM Guest Kernel"
2032         depends on BROKEN_ON_SMP
2033         help
2034           Select this option if building a guest kernel for KVM (Trap & Emulate)
2035           mode.
2036 
2037 config KVM_GUEST_TIMER_FREQ
2038         int "Count/Compare Timer Frequency (MHz)"
2039         depends on KVM_GUEST
2040         default 100
2041         help
2042           Set this to non-zero if building a guest kernel for KVM to skip RTC
2043           emulation when determining guest CPU Frequency. Instead, the guest's
2044           timer frequency is specified directly.
2045 
2046 choice
2047         prompt "Kernel page size"
2048         default PAGE_SIZE_4KB
2049 
2050 config PAGE_SIZE_4KB
2051         bool "4kB"
2052         depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2053         help
2054          This option select the standard 4kB Linux page size.  On some
2055          R3000-family processors this is the only available page size.  Using
2056          4kB page size will minimize memory consumption and is therefore
2057          recommended for low memory systems.
2058 
2059 config PAGE_SIZE_8KB
2060         bool "8kB"
2061         depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2062         help
2063           Using 8kB page size will result in higher performance kernel at
2064           the price of higher memory consumption.  This option is available
2065           only on R8000 and cnMIPS processors.  Note that you will need a
2066           suitable Linux distribution to support this.
2067 
2068 config PAGE_SIZE_16KB
2069         bool "16kB"
2070         depends on !CPU_R3000 && !CPU_TX39XX
2071         help
2072           Using 16kB page size will result in higher performance kernel at
2073           the price of higher memory consumption.  This option is available on
2074           all non-R3000 family processors.  Note that you will need a suitable
2075           Linux distribution to support this.
2076 
2077 config PAGE_SIZE_32KB
2078         bool "32kB"
2079         depends on CPU_CAVIUM_OCTEON
2080         help
2081           Using 32kB page size will result in higher performance kernel at
2082           the price of higher memory consumption.  This option is available
2083           only on cnMIPS cores.  Note that you will need a suitable Linux
2084           distribution to support this.
2085 
2086 config PAGE_SIZE_64KB
2087         bool "64kB"
2088         depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2089         help
2090           Using 64kB page size will result in higher performance kernel at
2091           the price of higher memory consumption.  This option is available on
2092           all non-R3000 family processor.  Not that at the time of this
2093           writing this option is still high experimental.
2094 
2095 endchoice
2096 
2097 config FORCE_MAX_ZONEORDER
2098         int "Maximum zone order"
2099         range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2100         default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2101         range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2102         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103         range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2105         range 11 64
2106         default "11"
2107         help
2108           The kernel memory allocator divides physically contiguous memory
2109           blocks into "zones", where each zone is a power of two number of
2110           pages.  This option selects the largest power of two that the kernel
2111           keeps in the memory allocator.  If you need to allocate very large
2112           blocks of physically contiguous memory, then you may need to
2113           increase this value.
2114 
2115           This config option is actually maximum order plus one. For example,
2116           a value of 11 means that the largest free memory block is 2^10 pages.
2117 
2118           The page size is not necessarily 4KB.  Keep this in mind
2119           when choosing a value for this option.
2120 
2121 config BOARD_SCACHE
2122         bool
2123 
2124 config IP22_CPU_SCACHE
2125         bool
2126         select BOARD_SCACHE
2127 
2128 #
2129 # Support for a MIPS32 / MIPS64 style S-caches
2130 #
2131 config MIPS_CPU_SCACHE
2132         bool
2133         select BOARD_SCACHE
2134 
2135 config R5000_CPU_SCACHE
2136         bool
2137         select BOARD_SCACHE
2138 
2139 config RM7000_CPU_SCACHE
2140         bool
2141         select BOARD_SCACHE
2142 
2143 config SIBYTE_DMA_PAGEOPS
2144         bool "Use DMA to clear/copy pages"
2145         depends on CPU_SB1
2146         help
2147           Instead of using the CPU to zero and copy pages, use a Data Mover
2148           channel.  These DMA channels are otherwise unused by the standard
2149           SiByte Linux port.  Seems to give a small performance benefit.
2150 
2151 config CPU_HAS_PREFETCH
2152         bool
2153 
2154 config CPU_GENERIC_DUMP_TLB
2155         bool
2156         default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2157 
2158 config CPU_R4K_FPU
2159         bool
2160         default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2161 
2162 config CPU_R4K_CACHE_TLB
2163         bool
2164         default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2165 
2166 config MIPS_MT_SMP
2167         bool "MIPS MT SMP support (1 TC on each available VPE)"
2168         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2169         select CPU_MIPSR2_IRQ_VI
2170         select CPU_MIPSR2_IRQ_EI
2171         select SYNC_R4K
2172         select MIPS_GIC_IPI if MIPS_GIC
2173         select MIPS_MT
2174         select SMP
2175         select SMP_UP
2176         select SYS_SUPPORTS_SMP
2177         select SYS_SUPPORTS_SCHED_SMT
2178         select MIPS_PERF_SHARED_TC_COUNTERS
2179         help
2180           This is a kernel model which is known as SMVP. This is supported
2181           on cores with the MT ASE and uses the available VPEs to implement
2182           virtual processors which supports SMP. This is equivalent to the
2183           Intel Hyperthreading feature. For further information go to
2184           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2185 
2186 config MIPS_MT
2187         bool
2188 
2189 config SCHED_SMT
2190         bool "SMT (multithreading) scheduler support"
2191         depends on SYS_SUPPORTS_SCHED_SMT
2192         default n
2193         help
2194           SMT scheduler support improves the CPU scheduler's decision making
2195           when dealing with MIPS MT enabled cores at a cost of slightly
2196           increased overhead in some places. If unsure say N here.
2197 
2198 config SYS_SUPPORTS_SCHED_SMT
2199         bool
2200 
2201 config SYS_SUPPORTS_MULTITHREADING
2202         bool
2203 
2204 config MIPS_MT_FPAFF
2205         bool "Dynamic FPU affinity for FP-intensive threads"
2206         default y
2207         depends on MIPS_MT_SMP
2208 
2209 config MIPSR2_TO_R6_EMULATOR
2210         bool "MIPS R2-to-R6 emulator"
2211         depends on CPU_MIPSR6 && !SMP
2212         default y
2213         help
2214           Choose this option if you want to run non-R6 MIPS userland code.
2215           Even if you say 'Y' here, the emulator will still be disabled by
2216           default. You can enable it using the 'mipsr2emu' kernel option.
2217           The only reason this is a build-time option is to save ~14K from the
2218           final kernel image.
2219 comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2220         depends on SMP && CPU_MIPSR6
2221 
2222 config MIPS_VPE_LOADER
2223         bool "VPE loader support."
2224         depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2225         select CPU_MIPSR2_IRQ_VI
2226         select CPU_MIPSR2_IRQ_EI
2227         select MIPS_MT
2228         help
2229           Includes a loader for loading an elf relocatable object
2230           onto another VPE and running it.
2231 
2232 config MIPS_VPE_LOADER_CMP
2233         bool
2234         default "y"
2235         depends on MIPS_VPE_LOADER && MIPS_CMP
2236 
2237 config MIPS_VPE_LOADER_MT
2238         bool
2239         default "y"
2240         depends on MIPS_VPE_LOADER && !MIPS_CMP
2241 
2242 config MIPS_VPE_LOADER_TOM
2243         bool "Load VPE program into memory hidden from linux"
2244         depends on MIPS_VPE_LOADER
2245         default y
2246         help
2247           The loader can use memory that is present but has been hidden from
2248           Linux using the kernel command line option "mem=xxMB". It's up to
2249           you to ensure the amount you put in the option and the space your
2250           program requires is less or equal to the amount physically present.
2251 
2252 config MIPS_VPE_APSP_API
2253         bool "Enable support for AP/SP API (RTLX)"
2254         depends on MIPS_VPE_LOADER
2255         help
2256 
2257 config MIPS_VPE_APSP_API_CMP
2258         bool
2259         default "y"
2260         depends on MIPS_VPE_APSP_API && MIPS_CMP
2261 
2262 config MIPS_VPE_APSP_API_MT
2263         bool
2264         default "y"
2265         depends on MIPS_VPE_APSP_API && !MIPS_CMP
2266 
2267 config MIPS_CMP
2268         bool "MIPS CMP framework support (DEPRECATED)"
2269         depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2270         select MIPS_GIC_IPI if MIPS_GIC
2271         select SMP
2272         select SYNC_R4K
2273         select SYS_SUPPORTS_SMP
2274         select WEAK_ORDERING
2275         default n
2276         help
2277           Select this if you are using a bootloader which implements the "CMP
2278           framework" protocol (ie. YAMON) and want your kernel to make use of
2279           its ability to start secondary CPUs.
2280 
2281           Unless you have a specific need, you should use CONFIG_MIPS_CPS
2282           instead of this.
2283 
2284 config MIPS_CPS
2285         bool "MIPS Coherent Processing System support"
2286         depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2287         select MIPS_CM
2288         select MIPS_CPC
2289         select MIPS_CPS_PM if HOTPLUG_CPU
2290         select MIPS_GIC_IPI if MIPS_GIC
2291         select SMP
2292         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2293         select SYS_SUPPORTS_HOTPLUG_CPU
2294         select SYS_SUPPORTS_SMP
2295         select WEAK_ORDERING
2296         help
2297           Select this if you wish to run an SMP kernel across multiple cores
2298           within a MIPS Coherent Processing System. When this option is
2299           enabled the kernel will probe for other cores and boot them with
2300           no external assistance. It is safe to enable this when hardware
2301           support is unavailable.
2302 
2303 config MIPS_CPS_PM
2304         depends on MIPS_CPS
2305         select MIPS_CPC
2306         bool
2307 
2308 config MIPS_GIC_IPI
2309         depends on MIPS_GIC
2310         bool
2311 
2312 config MIPS_CM
2313         bool
2314 
2315 config MIPS_CPC
2316         bool
2317 
2318 config SB1_PASS_2_WORKAROUNDS
2319         bool
2320         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2321         default y
2322 
2323 config SB1_PASS_2_1_WORKAROUNDS
2324         bool
2325         depends on CPU_SB1 && CPU_SB1_PASS_2
2326         default y
2327 
2328 
2329 config ARCH_PHYS_ADDR_T_64BIT
2330        bool
2331 
2332 choice
2333         prompt "SmartMIPS or microMIPS ASE support"
2334 
2335 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2336         bool "None"
2337         help
2338           Select this if you want neither microMIPS nor SmartMIPS support
2339 
2340 config CPU_HAS_SMARTMIPS
2341         depends on SYS_SUPPORTS_SMARTMIPS
2342         bool "SmartMIPS"
2343         help
2344           SmartMIPS is a extension of the MIPS32 architecture aimed at
2345           increased security at both hardware and software level for
2346           smartcards.  Enabling this option will allow proper use of the
2347           SmartMIPS instructions by Linux applications.  However a kernel with
2348           this option will not work on a MIPS core without SmartMIPS core.  If
2349           you don't know you probably don't have SmartMIPS and should say N
2350           here.
2351 
2352 config CPU_MICROMIPS
2353         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2354         bool "microMIPS"
2355         help
2356           When this option is enabled the kernel will be built using the
2357           microMIPS ISA
2358 
2359 endchoice
2360 
2361 config CPU_HAS_MSA
2362         bool "Support for the MIPS SIMD Architecture"
2363         depends on CPU_SUPPORTS_MSA
2364         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2365         help
2366           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2367           and a set of SIMD instructions to operate on them. When this option
2368           is enabled the kernel will support allocating & switching MSA
2369           vector register contexts. If you know that your kernel will only be
2370           running on CPUs which do not support MSA or that your userland will
2371           not be making use of it then you may wish to say N here to reduce
2372           the size & complexity of your kernel.
2373 
2374           If unsure, say Y.
2375 
2376 config CPU_HAS_WB
2377         bool
2378 
2379 config XKS01
2380         bool
2381 
2382 #
2383 # Vectored interrupt mode is an R2 feature
2384 #
2385 config CPU_MIPSR2_IRQ_VI
2386         bool
2387 
2388 #
2389 # Extended interrupt mode is an R2 feature
2390 #
2391 config CPU_MIPSR2_IRQ_EI
2392         bool
2393 
2394 config CPU_HAS_SYNC
2395         bool
2396         depends on !CPU_R3000
2397         default y
2398 
2399 #
2400 # CPU non-features
2401 #
2402 config CPU_DADDI_WORKAROUNDS
2403         bool
2404 
2405 config CPU_R4000_WORKAROUNDS
2406         bool
2407         select CPU_R4400_WORKAROUNDS
2408 
2409 config CPU_R4400_WORKAROUNDS
2410         bool
2411 
2412 #
2413 # - Highmem only makes sense for the 32-bit kernel.
2414 # - The current highmem code will only work properly on physically indexed
2415 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2416 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2417 #   moment we protect the user and offer the highmem option only on machines
2418 #   where it's known to be safe.  This will not offer highmem on a few systems
2419 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2420 #   indexed CPUs but we're playing safe.
2421 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2422 #   know they might have memory configurations that could make use of highmem
2423 #   support.
2424 #
2425 config HIGHMEM
2426         bool "High Memory Support"
2427         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2428 
2429 config CPU_SUPPORTS_HIGHMEM
2430         bool
2431 
2432 config SYS_SUPPORTS_HIGHMEM
2433         bool
2434 
2435 config SYS_SUPPORTS_SMARTMIPS
2436         bool
2437 
2438 config SYS_SUPPORTS_MICROMIPS
2439         bool
2440 
2441 config SYS_SUPPORTS_MIPS16
2442         bool
2443         help
2444           This option must be set if a kernel might be executed on a MIPS16-
2445           enabled CPU even if MIPS16 is not actually being used.  In other
2446           words, it makes the kernel MIPS16-tolerant.
2447 
2448 config CPU_SUPPORTS_MSA
2449         bool
2450 
2451 config ARCH_FLATMEM_ENABLE
2452         def_bool y
2453         depends on !NUMA && !CPU_LOONGSON2
2454 
2455 config ARCH_DISCONTIGMEM_ENABLE
2456         bool
2457         default y if SGI_IP27
2458         help
2459           Say Y to support efficient handling of discontiguous physical memory,
2460           for architectures which are either NUMA (Non-Uniform Memory Access)
2461           or have huge holes in the physical address space for other reasons.
2462           See <file:Documentation/vm/numa> for more.
2463 
2464 config ARCH_SPARSEMEM_ENABLE
2465         bool
2466         select SPARSEMEM_STATIC
2467 
2468 config NUMA
2469         bool "NUMA Support"
2470         depends on SYS_SUPPORTS_NUMA
2471         help
2472           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2473           Access).  This option improves performance on systems with more
2474           than two nodes; on two node systems it is generally better to
2475           leave it disabled; on single node systems disable this option
2476           disabled.
2477 
2478 config SYS_SUPPORTS_NUMA
2479         bool
2480 
2481 config NODES_SHIFT
2482         int
2483         default "6"
2484         depends on NEED_MULTIPLE_NODES
2485 
2486 config HW_PERF_EVENTS
2487         bool "Enable hardware performance counter support for perf events"
2488         depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2489         default y
2490         help
2491           Enable hardware performance counter support for perf events. If
2492           disabled, perf events will use software events only.
2493 
2494 source "mm/Kconfig"
2495 
2496 config SMP
2497         bool "Multi-Processing support"
2498         depends on SYS_SUPPORTS_SMP
2499         help
2500           This enables support for systems with more than one CPU. If you have
2501           a system with only one CPU, say N. If you have a system with more
2502           than one CPU, say Y.
2503 
2504           If you say N here, the kernel will run on uni- and multiprocessor
2505           machines, but will use only one CPU of a multiprocessor machine. If
2506           you say Y here, the kernel will run on many, but not all,
2507           uniprocessor machines. On a uniprocessor machine, the kernel
2508           will run faster if you say N here.
2509 
2510           People using multiprocessor machines who say Y here should also say
2511           Y to "Enhanced Real Time Clock Support", below.
2512 
2513           See also the SMP-HOWTO available at
2514           <http://www.tldp.org/docs.html#howto>.
2515 
2516           If you don't know what to do here, say N.
2517 
2518 config SMP_UP
2519         bool
2520 
2521 config SYS_SUPPORTS_MIPS_CMP
2522         bool
2523 
2524 config SYS_SUPPORTS_MIPS_CPS
2525         bool
2526 
2527 config SYS_SUPPORTS_SMP
2528         bool
2529 
2530 config NR_CPUS_DEFAULT_4
2531         bool
2532 
2533 config NR_CPUS_DEFAULT_8
2534         bool
2535 
2536 config NR_CPUS_DEFAULT_16
2537         bool
2538 
2539 config NR_CPUS_DEFAULT_32
2540         bool
2541 
2542 config NR_CPUS_DEFAULT_64
2543         bool
2544 
2545 config NR_CPUS
2546         int "Maximum number of CPUs (2-256)"
2547         range 2 256
2548         depends on SMP
2549         default "4" if NR_CPUS_DEFAULT_4
2550         default "8" if NR_CPUS_DEFAULT_8
2551         default "16" if NR_CPUS_DEFAULT_16
2552         default "32" if NR_CPUS_DEFAULT_32
2553         default "64" if NR_CPUS_DEFAULT_64
2554         help
2555           This allows you to specify the maximum number of CPUs which this
2556           kernel will support.  The maximum supported value is 32 for 32-bit
2557           kernel and 64 for 64-bit kernels; the minimum value which makes
2558           sense is 1 for Qemu (useful only for kernel debugging purposes)
2559           and 2 for all others.
2560 
2561           This is purely to save memory - each supported CPU adds
2562           approximately eight kilobytes to the kernel image.  For best
2563           performance should round up your number of processors to the next
2564           power of two.
2565 
2566 config MIPS_PERF_SHARED_TC_COUNTERS
2567         bool
2568 
2569 #
2570 # Timer Interrupt Frequency Configuration
2571 #
2572 
2573 choice
2574         prompt "Timer frequency"
2575         default HZ_250
2576         help
2577          Allows the configuration of the timer frequency.
2578 
2579         config HZ_24
2580                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2581 
2582         config HZ_48
2583                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2584 
2585         config HZ_100
2586                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2587 
2588         config HZ_128
2589                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2590 
2591         config HZ_250
2592                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2593 
2594         config HZ_256
2595                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2596 
2597         config HZ_1000
2598                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2599 
2600         config HZ_1024
2601                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2602 
2603 endchoice
2604 
2605 config SYS_SUPPORTS_24HZ
2606         bool
2607 
2608 config SYS_SUPPORTS_48HZ
2609         bool
2610 
2611 config SYS_SUPPORTS_100HZ
2612         bool
2613 
2614 config SYS_SUPPORTS_128HZ
2615         bool
2616 
2617 config SYS_SUPPORTS_250HZ
2618         bool
2619 
2620 config SYS_SUPPORTS_256HZ
2621         bool
2622 
2623 config SYS_SUPPORTS_1000HZ
2624         bool
2625 
2626 config SYS_SUPPORTS_1024HZ
2627         bool
2628 
2629 config SYS_SUPPORTS_ARBIT_HZ
2630         bool
2631         default y if !SYS_SUPPORTS_24HZ && \
2632                      !SYS_SUPPORTS_48HZ && \
2633                      !SYS_SUPPORTS_100HZ && \
2634                      !SYS_SUPPORTS_128HZ && \
2635                      !SYS_SUPPORTS_250HZ && \
2636                      !SYS_SUPPORTS_256HZ && \
2637                      !SYS_SUPPORTS_1000HZ && \
2638                      !SYS_SUPPORTS_1024HZ
2639 
2640 config HZ
2641         int
2642         default 24 if HZ_24
2643         default 48 if HZ_48
2644         default 100 if HZ_100
2645         default 128 if HZ_128
2646         default 250 if HZ_250
2647         default 256 if HZ_256
2648         default 1000 if HZ_1000
2649         default 1024 if HZ_1024
2650 
2651 config SCHED_HRTICK
2652         def_bool HIGH_RES_TIMERS
2653 
2654 source "kernel/Kconfig.preempt"
2655 
2656 config KEXEC
2657         bool "Kexec system call"
2658         select KEXEC_CORE
2659         help
2660           kexec is a system call that implements the ability to shutdown your
2661           current kernel, and to start another kernel.  It is like a reboot
2662           but it is independent of the system firmware.   And like a reboot
2663           you can start any kernel with it, not just Linux.
2664 
2665           The name comes from the similarity to the exec system call.
2666 
2667           It is an ongoing process to be certain the hardware in a machine
2668           is properly shutdown, so do not be surprised if this code does not
2669           initially work for you.  As of this writing the exact hardware
2670           interface is strongly in flux, so no good recommendation can be
2671           made.
2672 
2673 config CRASH_DUMP
2674           bool "Kernel crash dumps"
2675           help
2676           Generate crash dump after being started by kexec.
2677           This should be normally only set in special crash dump kernels
2678           which are loaded in the main kernel with kexec-tools into
2679           a specially reserved region and then later executed after
2680           a crash by kdump/kexec. The crash dump kernel must be compiled
2681           to a memory address not used by the main kernel or firmware using
2682           PHYSICAL_START.
2683 
2684 config PHYSICAL_START
2685           hex "Physical address where the kernel is loaded"
2686           default "0xffffffff84000000" if 64BIT
2687           default "0x84000000" if 32BIT
2688           depends on CRASH_DUMP
2689           help
2690           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2691           If you plan to use kernel for capturing the crash dump change
2692           this value to start of the reserved region (the "X" value as
2693           specified in the "crashkernel=YM@XM" command line boot parameter
2694           passed to the panic-ed kernel).
2695 
2696 config SECCOMP
2697         bool "Enable seccomp to safely compute untrusted bytecode"
2698         depends on PROC_FS
2699         default y
2700         help
2701           This kernel feature is useful for number crunching applications
2702           that may need to compute untrusted bytecode during their
2703           execution. By using pipes or other transports made available to
2704           the process as file descriptors supporting the read/write
2705           syscalls, it's possible to isolate those applications in
2706           their own address space using seccomp. Once seccomp is
2707           enabled via /proc/<pid>/seccomp, it cannot be disabled
2708           and the task is only allowed to execute a few safe syscalls
2709           defined by each seccomp mode.
2710 
2711           If unsure, say Y. Only embedded should say N here.
2712 
2713 config MIPS_O32_FP64_SUPPORT
2714         bool "Support for O32 binaries using 64-bit FP"
2715         depends on 32BIT || MIPS32_O32
2716         help
2717           When this is enabled, the kernel will support use of 64-bit floating
2718           point registers with binaries using the O32 ABI along with the
2719           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2720           32-bit MIPS systems this support is at the cost of increasing the
2721           size and complexity of the compiled FPU emulator. Thus if you are
2722           running a MIPS32 system and know that none of your userland binaries
2723           will require 64-bit floating point, you may wish to reduce the size
2724           of your kernel & potentially improve FP emulation performance by
2725           saying N here.
2726 
2727           Although binutils currently supports use of this flag the details
2728           concerning its effect upon the O32 ABI in userland are still being
2729           worked on. In order to avoid userland becoming dependant upon current
2730           behaviour before the details have been finalised, this option should
2731           be considered experimental and only enabled by those working upon
2732           said details.
2733 
2734           If unsure, say N.
2735 
2736 config USE_OF
2737         bool
2738         select OF
2739         select OF_EARLY_FLATTREE
2740         select IRQ_DOMAIN
2741 
2742 config BUILTIN_DTB
2743         bool
2744 
2745 choice
2746         prompt "Kernel appended dtb support" if USE_OF
2747         default MIPS_NO_APPENDED_DTB
2748 
2749         config MIPS_NO_APPENDED_DTB
2750                 bool "None"
2751                 help
2752                   Do not enable appended dtb support.
2753 
2754         config MIPS_ELF_APPENDED_DTB
2755                 bool "vmlinux"
2756                 help
2757                   With this option, the boot code will look for a device tree binary
2758                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2759                   it is empty and the DTB can be appended using binutils command
2760                   objcopy:
2761 
2762                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2763 
2764                   This is meant as a backward compatiblity convenience for those
2765                   systems with a bootloader that can't be upgraded to accommodate
2766                   the documented boot protocol using a device tree.
2767 
2768         config MIPS_RAW_APPENDED_DTB
2769                 bool "vmlinux.bin"
2770                 help
2771                   With this option, the boot code will look for a device tree binary
2772                   DTB) appended to raw vmlinux.bin (without decompressor).
2773                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2774 
2775                   This is meant as a backward compatibility convenience for those
2776                   systems with a bootloader that can't be upgraded to accommodate
2777                   the documented boot protocol using a device tree.
2778 
2779                   Beware that there is very little in terms of protection against
2780                   this option being confused by leftover garbage in memory that might
2781                   look like a DTB header after a reboot if no actual DTB is appended
2782                   to vmlinux.bin.  Do not leave this option active in a production kernel
2783                   if you don't intend to always append a DTB.
2784 
2785         config MIPS_ZBOOT_APPENDED_DTB
2786                 bool "vmlinuz.bin"
2787                 depends on SYS_SUPPORTS_ZBOOT
2788                 help
2789                   With this option, the boot code will look for a device tree binary
2790                   DTB) appended to raw vmlinuz.bin (with decompressor).
2791                   (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2792 
2793                   This is meant as a backward compatibility convenience for those
2794                   systems with a bootloader that can't be upgraded to accommodate
2795                   the documented boot protocol using a device tree.
2796 
2797                   Beware that there is very little in terms of protection against
2798                   this option being confused by leftover garbage in memory that might
2799                   look like a DTB header after a reboot if no actual DTB is appended
2800                   to vmlinuz.bin.  Do not leave this option active in a production kernel
2801                   if you don't intend to always append a DTB.
2802 endchoice
2803 
2804 choice
2805         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2806         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2807                                          !MIPS_MALTA && !MIPS_SEAD3 && \
2808                                          !CAVIUM_OCTEON_SOC
2809         default MIPS_CMDLINE_FROM_BOOTLOADER
2810 
2811         config MIPS_CMDLINE_FROM_DTB
2812                 depends on USE_OF
2813                 bool "Dtb kernel arguments if available"
2814 
2815         config MIPS_CMDLINE_DTB_EXTEND
2816                 depends on USE_OF
2817                 bool "Extend dtb kernel arguments with bootloader arguments"
2818 
2819         config MIPS_CMDLINE_FROM_BOOTLOADER
2820                 bool "Bootloader kernel arguments if available"
2821 endchoice
2822 
2823 endmenu
2824 
2825 config LOCKDEP_SUPPORT
2826         bool
2827         default y
2828 
2829 config STACKTRACE_SUPPORT
2830         bool
2831         default y
2832 
2833 config HAVE_LATENCYTOP_SUPPORT
2834         bool
2835         default y
2836 
2837 config PGTABLE_LEVELS
2838         int
2839         default 3 if 64BIT && !PAGE_SIZE_64KB
2840         default 2
2841 
2842 source "init/Kconfig"
2843 
2844 source "kernel/Kconfig.freezer"
2845 
2846 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2847 
2848 config HW_HAS_EISA
2849         bool
2850 config HW_HAS_PCI
2851         bool
2852 
2853 config PCI
2854         bool "Support for PCI controller"
2855         depends on HW_HAS_PCI
2856         select PCI_DOMAINS
2857         select NO_GENERIC_PCI_IOPORT_MAP
2858         help
2859           Find out whether you have a PCI motherboard. PCI is the name of a
2860           bus system, i.e. the way the CPU talks to the other stuff inside
2861           your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2862           say Y, otherwise N.
2863 
2864 config HT_PCI
2865         bool "Support for HT-linked PCI"
2866         default y
2867         depends on CPU_LOONGSON3
2868         select PCI
2869         select PCI_DOMAINS
2870         help
2871           Loongson family machines use Hyper-Transport bus for inter-core
2872           connection and device connection. The PCI bus is a subordinate
2873           linked at HT. Choose Y for Loongson-3 based machines.
2874 
2875 config PCI_DOMAINS
2876         bool
2877 
2878 source "drivers/pci/Kconfig"
2879 
2880 source "drivers/pci/pcie/Kconfig"
2881 
2882 #
2883 # ISA support is now enabled via select.  Too many systems still have the one
2884 # or other ISA chip on the board that users don't know about so don't expect
2885 # users to choose the right thing ...
2886 #
2887 config ISA
2888         bool
2889 
2890 config EISA
2891         bool "EISA support"
2892         depends on HW_HAS_EISA
2893         select ISA
2894         select GENERIC_ISA_DMA
2895         ---help---
2896           The Extended Industry Standard Architecture (EISA) bus was
2897           developed as an open alternative to the IBM MicroChannel bus.
2898 
2899           The EISA bus provided some of the features of the IBM MicroChannel
2900           bus while maintaining backward compatibility with cards made for
2901           the older ISA bus.  The EISA bus saw limited use between 1988 and
2902           1995 when it was made obsolete by the PCI bus.
2903 
2904           Say Y here if you are building a kernel for an EISA-based machine.
2905 
2906           Otherwise, say N.
2907 
2908 source "drivers/eisa/Kconfig"
2909 
2910 config TC
2911         bool "TURBOchannel support"
2912         depends on MACH_DECSTATION
2913         help
2914           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2915           processors.  TURBOchannel programming specifications are available
2916           at:
2917           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2918           and:
2919           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2920           Linux driver support status is documented at:
2921           <http://www.linux-mips.org/wiki/DECstation>
2922 
2923 config MMU
2924         bool
2925         default y
2926 
2927 config I8253
2928         bool
2929         select CLKSRC_I8253
2930         select CLKEVT_I8253
2931         select MIPS_EXTERNAL_TIMER
2932 
2933 config ZONE_DMA
2934         bool
2935 
2936 config ZONE_DMA32
2937         bool
2938 
2939 source "drivers/pcmcia/Kconfig"
2940 
2941 source "drivers/pci/hotplug/Kconfig"
2942 
2943 config RAPIDIO
2944         tristate "RapidIO support"
2945         depends on PCI
2946         default n
2947         help
2948           If you say Y here, the kernel will include drivers and
2949           infrastructure code to support RapidIO interconnect devices.
2950 
2951 source "drivers/rapidio/Kconfig"
2952 
2953 endmenu
2954 
2955 menu "Executable file formats"
2956 
2957 source "fs/Kconfig.binfmt"
2958 
2959 config TRAD_SIGNALS
2960         bool
2961 
2962 config MIPS32_COMPAT
2963         bool
2964 
2965 config COMPAT
2966         bool
2967 
2968 config SYSVIPC_COMPAT
2969         bool
2970 
2971 config MIPS32_O32
2972         bool "Kernel support for o32 binaries"
2973         depends on 64BIT
2974         select ARCH_WANT_OLD_COMPAT_IPC
2975         select COMPAT
2976         select MIPS32_COMPAT
2977         select SYSVIPC_COMPAT if SYSVIPC
2978         help
2979           Select this option if you want to run o32 binaries.  These are pure
2980           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2981           existing binaries are in this format.
2982 
2983           If unsure, say Y.
2984 
2985 config MIPS32_N32
2986         bool "Kernel support for n32 binaries"
2987         depends on 64BIT
2988         select COMPAT
2989         select MIPS32_COMPAT
2990         select SYSVIPC_COMPAT if SYSVIPC
2991         help
2992           Select this option if you want to run n32 binaries.  These are
2993           64-bit binaries using 32-bit quantities for addressing and certain
2994           data that would normally be 64-bit.  They are used in special
2995           cases.
2996 
2997           If unsure, say N.
2998 
2999 config BINFMT_ELF32
3000         bool
3001         default y if MIPS32_O32 || MIPS32_N32
3002 
3003 endmenu
3004 
3005 menu "Power management options"
3006 
3007 config ARCH_HIBERNATION_POSSIBLE
3008         def_bool y
3009         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3010 
3011 config ARCH_SUSPEND_POSSIBLE
3012         def_bool y
3013         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3014 
3015 source "kernel/power/Kconfig"
3016 
3017 endmenu
3018 
3019 config MIPS_EXTERNAL_TIMER
3020         bool
3021 
3022 menu "CPU Power Management"
3023 
3024 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3025 source "drivers/cpufreq/Kconfig"
3026 endif
3027 
3028 source "drivers/cpuidle/Kconfig"
3029 
3030 endmenu
3031 
3032 source "net/Kconfig"
3033 
3034 source "drivers/Kconfig"
3035 
3036 source "drivers/firmware/Kconfig"
3037 
3038 source "fs/Kconfig"
3039 
3040 source "arch/mips/Kconfig.debug"
3041 
3042 source "security/Kconfig"
3043 
3044 source "crypto/Kconfig"
3045 
3046 source "lib/Kconfig"
3047 
3048 source "arch/mips/kvm/Kconfig"

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