1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS
3 bool
4 default y
5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F
7 select ARCH_HAS_CPU_CACHE_ALIASING
8 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ
12 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT
16 select ARCH_HAS_STRNCPY_FROM_USER
17 select ARCH_HAS_STRNLEN_USER
18 select ARCH_HAS_TICK_BROADCAST if GENE
19 select ARCH_HAS_UBSAN
20 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK
22 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B
24 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_
29 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET
34 select CPU_PM if CPU_IDLE || SUSPEND
35 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_
49 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP
51 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP
53 select HAS_IOPORT if !NO_IOPORT_MAP ||
54 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO
57 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS
59 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
62 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER
64 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS
71 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST
73 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES
82 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT
84 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30
89 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if
98 select IRQ_FORCED_THREADING
99 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA
101 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES
103 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M
105 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT
108 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT
110
111 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool
113
114 config MIPS_GENERIC
115 bool
116
117 config MACH_GENERIC_CORE
118 bool
119
120 config MACH_INGENIC
121 bool
122 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT
126 select IRQ_MIPS_CPU
127 select PINCTRL
128 select GPIOLIB
129 select COMMON_CLK
130 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED
132 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER
135
136 menu "Machine selection"
137
138 choice
139 prompt "System type"
140 default MIPS_GENERIC_KERNEL
141
142 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern
144 select MIPS_GENERIC
145 select BOOT_RAW
146 select BUILTIN_DTB
147 select CEVT_R4K
148 select CLKSRC_MIPS_GIC
149 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K
153 select DMA_NONCOHERENT
154 select HAVE_PCI
155 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE
157 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE
159 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP
164 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5
168 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5
172 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU
192 select USE_OF
193 help
194 Select this to build a kernel which
195 generally using a flattened device t
196 using the boot protocol defined in t
197 Interface) specification.
198
199 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines
201 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K
203 select CSRC_R4K
204 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK
213
214 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor
216 select CEVT_R4K
217 select CSRC_R4K
218 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK
225 help
226 Support for Atheros AR231x and Ather
227
228 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas
230 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW
232 select CEVT_R4K
233 select CSRC_R4K
234 select DMA_NONCOHERENT
235 select GPIOLIB
236 select PINCTRL
237 select COMMON_CLK
238 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC
247 help
248 Support for the Atheros AR71XX/AR724
249
250 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW
255 select NO_EXCEPT_FILL
256 select USE_OF
257 select CEVT_R4K
258 select CSRC_R4K
259 select SYNC_R4K
260 select COMMON_CLK
261 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU
280 select HARDIRQS_SW_RESEND
281 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC
283 select FW_CFE
284 help
285 Build a generic DT-based kernel imag
286 BCM33xx cable modem chips, BCM63xx D
287 box chips. Note that CONFIG_CPU_BIG
288 must be set appropriately for your b
289
290 config BCM47XX
291 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW
293 select CEVT_R4K
294 select CSRC_R4K
295 select DMA_NONCOHERENT
296 select HAVE_PCI
297 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB
307 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM
309 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA
311 help
312 Support for BCM47XX based boards
313
314 config BCM63XX
315 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW
317 select CEVT_R4K
318 select CSRC_R4K
319 select SYNC_R4K
320 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE
329 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK
332 help
333 Support for BCM63XX based boards
334
335 config MIPS_COBALT
336 bool "Cobalt Server"
337 select CEVT_R4K
338 select CSRC_R4K
339 select CEVT_GT641XX
340 select DMA_NONCOHERENT
341 select FORCE_PCI
342 select I8253
343 select I8259
344 select IRQ_MIPS_CPU
345 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250
353
354 config MACH_DECSTATION
355 bool "DECstations"
356 select BOOT_ELF32
357 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4
376 help
377 This enables support for DEC's MIPS
378 see the Linux/MIPS FAQ on <http://ww
379 DECstation porting pages on <http://
380
381 If you have one of the following DEC
382 want to choose R4xx0 for the CPU Typ
383
384 DECstation 5000/50
385 DECstation 5000/150
386 DECstation 5000/260
387 DECsystem 5900/260
388
389 otherwise choose R3000.
390
391 config MACH_JAZZ
392 bool "Jazz family of machines"
393 select ARC_MEMORY
394 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO
397 select FW_ARC
398 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K
401 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI
403 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU
406 select I8253
407 select I8259
408 select ISA
409 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help
415 This a family of machines based on t
416 used by several vendors to build RIS
417 Members include the Acer PICA, MIPS
418 Olivetti M700-10 workstations.
419
420 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC
423 select MACH_INGENIC
424 select MACH_GENERIC_CORE
425 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER
428
429 config LANTIQ
430 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU
433 select CEVT_R4K
434 select CSRC_R4K
435 select NO_EXCEPT_FILL
436 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB
445 select SWAP_IO_SPACE
446 select BOOT_RAW
447 select HAVE_LEGACY_CLK
448 select USE_OF
449 select PINCTRL
450 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER
453
454 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin
456 select SYS_SUPPORTS_ZBOOT
457 help
458 This enables support for the Loongso
459
460 Loongson-1 is a family of 32-bit MIP
461 the Institute of Computing Technolog
462 Sciences (CAS).
463
464 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines
466 select SYS_SUPPORTS_ZBOOT
467 help
468 This enables the support of early Lo
469
470 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin
472 select ARCH_DMA_DEFAULT_COHERENT
473 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32
478 select BOARD_SCACHE
479 select CSRC_R4K
480 select CEVT_R4K
481 select SYNC_R4K
482 select FORCE_PCI
483 select ISA
484 select I8259
485 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32
501 select COMMON_CLK
502 select USE_OF
503 select BUILTIN_DTB
504 select PCI_HOST_GENERIC
505 help
506 This enables the support of Loongson
507
508 Loongson-2 and Loongson-3 are 64-bit
509 GS264/GS464/GS464E/GS464V microarchi
510 and Loongson-2F which will be remove
511 of Computing Technology (ICT), Chine
512
513 config MIPS_MALTA
514 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32
519 select BOOT_RAW
520 select BUILTIN_DTB
521 select CEVT_R4K
522 select CLKSRC_MIPS_GIC
523 select COMMON_CLK
524 select CSRC_R4K
525 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI
529 select I8253
530 select I8259
531 select IRQ_MIPS_CPU
532 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE
534 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC
537 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP
539 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16
557 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT
563 select USE_OF
564 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT
566 help
567 This enables support for the MIPS Te
568 board.
569
570 config MACH_PIC32
571 bool "Microchip PIC32 Family"
572 help
573 This enables support for the Microch
574
575 Microchip PIC32 is a family of gener
576 microcontrollers.
577
578 config EYEQ
579 bool "Mobileye EyeQ SoC"
580 select MACH_GENERIC_CORE
581 select ARM_AMBA
582 select PHYSICAL_START_BOOL
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT
584 select BOOT_RAW
585 select BUILTIN_DTB
586 select CEVT_R4K
587 select CLKSRC_MIPS_GIC
588 select COMMON_CLK
589 select CPU_MIPSR2_IRQ_EI
590 select CPU_MIPSR2_IRQ_VI
591 select CSRC_R4K
592 select DMA_NONCOHERENT
593 select HAVE_PCI
594 select IRQ_MIPS_CPU
595 select MIPS_AUTO_PFN_OFFSET
596 select MIPS_CPU_SCACHE
597 select MIPS_GIC
598 select MIPS_L1_CACHE_SHIFT_7
599 select PCI_DRIVERS_GENERIC
600 select SMP_UP if SMP
601 select SWAP_IO_SPACE
602 select SYS_HAS_CPU_MIPS64_R6
603 select SYS_SUPPORTS_64BIT_KERNEL
604 select SYS_SUPPORTS_HIGHMEM
605 select SYS_SUPPORTS_LITTLE_ENDIAN
606 select SYS_SUPPORTS_MIPS_CPS
607 select SYS_SUPPORTS_RELOCATABLE
608 select SYS_SUPPORTS_ZBOOT
609 select UHI_BOOT
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU
616 select USE_OF
617 help
618 Select this to build a kernel suppor
619
620 bool
621
622 config MACH_NINTENDO64
623 bool "Nintendo 64 console"
624 select CEVT_R4K
625 select CSRC_R4K
626 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU
633
634 config RALINK
635 bool "Ralink based machines"
636 select CEVT_R4K
637 select COMMON_CLK
638 select CSRC_R4K
639 select BOOT_RAW
640 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU
642 select USE_OF
643 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER
651
652 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma
654 select MIPS_GENERIC
655 select MACH_GENERIC_CORE
656 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU
658 select CSRC_R4K
659 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW
668 select PINCTRL
669 select USE_OF
670 select REALTEK_OTTO_TIMER
671
672 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY
675 select ARC_PROMLIB
676 select FW_ARC
677 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32
680 select CEVT_R4K
681 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT
684 select HAVE_EISA
685 select I8253
686 select I8259
687 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7
707 help
708 This are the SGI Indy, Challenge S a
709 OEM variants like the Tandem CMN B00
710 that runs on these, say Y here.
711
712 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC
717 select FW_ARC64
718 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI
724 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA
737 help
738 This are the SGI Origin 200, Origin
739 workstations. To compile a Linux ke
740 here.
741
742 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY
745 select ARC_PROMLIB
746 select FW_ARC
747 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64
750 select CEVT_R4K
751 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU
756 select HAVE_EISA
757 select I8253
758 select I8259
759 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7
772 help
773 This is the SGI Indigo2 with R10000
774 kernel that runs on these, say Y her
775
776 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC
780 select FW_ARC64
781 select BOOT_ELF64
782 select CEVT_R4K
783 select CSRC_R4K
784 select FORCE_PCI
785 select SYNC_R4K if SMP
786 select ZONE_DMA32
787 select HAVE_PCI
788 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY
800 help
801 These are the SGI Octane and Octane2
802 compile a Linux kernel that runs on
803
804 config SGI_IP32
805 bool "SGI IP32 (O2)"
806 select ARC_MEMORY
807 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC
810 select FW_ARC32
811 select BOOT_ELF32
812 select CEVT_R4K
813 select CSRC_R4K
814 select DMA_NONCOHERENT
815 select HAVE_PCI
816 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS
826 help
827 If you want this kernel to run on SG
828
829 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32
832 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN
838
839 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32
842 select SIBYTE_SB1250
843 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN
847
848 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250
853 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI
860
861 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250
866 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT
872
873 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32
876 select SIBYTE_SB1250
877 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI
882
883 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI
895
896 config SNI_RM
897 bool "SNI RM200/300/400"
898 select ARC_MEMORY
899 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32
907 select CEVT_R4K
908 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI
910 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA
912 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI
915 select IRQ_MIPS_CPU
916 select I8253
917 select I8259
918 select ISA
919 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP
932 help
933 The SNI RM200/300/400 are MIPS-based
934 Siemens Nixdorf Informationssysteme
935 Technology and now in turn merged wi
936 support this machine type.
937
938 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin
940 select WAR_TX49XX_ICACHE_INDEX_INV
941
942 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards"
944 select CEVT_R4K
945 select CSRC_R4K
946 select DMA_NONCOHERENT
947 select HAVE_PCI
948 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE
953 select BOOT_RAW
954 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4
956 help
957 Support the Mikrotik(tm) RouterBoard
958 based on the IDT RC32434 SoC.
959
960 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based
962 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU
972 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI
975 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32
979 select GPIOLIB
980 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB
986 select MTD
987 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE
990 help
991 This option supports all of the Octe
992 Networks. It builds a kernel that dy
993 CPU type and supports all known boar
994 Some of the supported boards are:
995 EBT3000
996 EBH3000
997 EBH3100
998 Thunder
999 Kodama
1000 Hikari
1001 Say Y here for most Octeon referenc
1002
1003 endchoice
1004
1005 config FIT_IMAGE_FDT_EPM5
1006 bool "Include FDT for Mobileye EyeQ5
1007 depends on MACH_EYEQ5
1008 default n
1009 help
1010 Enable this to include the FDT for
1011 from Mobileye in the FIT kernel ima
1012 This requires u-boot on the platfor
1013
1014 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"
1025 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"
1034
1035 endmenu
1036
1037 config GENERIC_HWEIGHT
1038 bool
1039 default y
1040
1041 config GENERIC_CALIBRATE_DELAY
1042 bool
1043 default y
1044
1045 config SCHED_OMIT_FRAME_POINTER
1046 bool
1047 default y
1048
1049 #
1050 # Select some configuration options automatic
1051 #
1052 config FW_ARC
1053 bool
1054
1055 config ARCH_MAY_HAVE_PC_FDC
1056 bool
1057
1058 config BOOT_RAW
1059 bool
1060
1061 config CEVT_BCM1480
1062 bool
1063
1064 config CEVT_DS1287
1065 bool
1066
1067 config CEVT_GT641XX
1068 bool
1069
1070 config CEVT_R4K
1071 bool
1072
1073 config CEVT_SB1250
1074 bool
1075
1076 config CEVT_TXX9
1077 bool
1078
1079 config CSRC_BCM1480
1080 bool
1081
1082 config CSRC_IOASIC
1083 bool
1084
1085 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S
1088 bool
1089
1090 config CSRC_SB1250
1091 bool
1092
1093 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095
1096 config GPIO_TXX9
1097 select GPIOLIB
1098 bool
1099
1100 config FW_CFE
1101 bool
1102
1103 config ARCH_SUPPORTS_UPROBES
1104 def_bool y
1105
1106 config DMA_NONCOHERENT
1107 bool
1108 #
1109 # MIPS allows mixing "slightly differ
1110 # Attribute bits. It is believed tha
1111 # KSEG1 and the implementation specif
1112 # by pgprot_writcombine can be mixed,
1113 # significant advantages.
1114 #
1115 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE
1123
1124 config SYS_HAS_EARLY_PRINTK
1125 bool
1126
1127 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool
1129
1130 config MIPS_BONITO64
1131 bool
1132
1133 config MIPS_MSC
1134 bool
1135
1136 config SYNC_R4K
1137 bool
1138
1139 config NO_IOPORT_MAP
1140 def_bool n
1141
1142 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR
1144
1145 config GENERIC_ISA_DMA
1146 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU
1148 select ISA_DMA_API
1149
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool
1152 select GENERIC_ISA_DMA
1153
1154 config HAVE_PLAT_DELAY
1155 bool
1156
1157 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool
1159
1160 config HAVE_PLAT_MEMCPY
1161 bool
1162
1163 config ISA_DMA_API
1164 bool
1165
1166 config SYS_SUPPORTS_RELOCATABLE
1167 bool
1168 help
1169 Selected if the platform supports r
1170 The platform must provide plat_get_
1171 to allow access to command line and
1172
1173 #
1174 # Endianness selection. Sufficiently obscure
1175 # answer,so we try hard to limit the availabl
1176 # choice statement should be more obvious to
1177 #
1178 choice
1179 prompt "Endianness selection"
1180 help
1181 Some MIPS machines can be configure
1182 byte order. These modes require dif
1183 Linux distribution. In general the
1184 particular system but some systems
1185 one or the other endianness.
1186
1187 config CPU_BIG_ENDIAN
1188 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN
1190
1191 config CPU_LITTLE_ENDIAN
1192 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194
1195 endchoice
1196
1197 config EXPORT_UASM
1198 bool
1199
1200 config SYS_SUPPORTS_APM_EMULATION
1201 bool
1202
1203 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool
1205
1206 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool
1208
1209 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_
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 PCI_XTALK_BRIDGE
1222 bool
1223
1224 config NO_EXCEPT_FILL
1225 bool
1226
1227 config MIPS_SPRAM
1228 bool
1229
1230 config SWAP_IO_SPACE
1231 bool
1232
1233 config SGI_HAS_INDYDOG
1234 bool
1235
1236 config SGI_HAS_HAL2
1237 bool
1238
1239 config SGI_HAS_SEEQ
1240 bool
1241
1242 config SGI_HAS_WD93
1243 bool
1244
1245 config SGI_HAS_ZILOG
1246 bool
1247
1248 config SGI_HAS_I8042
1249 bool
1250
1251 config DEFAULT_SGI_PARTITION
1252 bool
1253
1254 config FW_ARC32
1255 bool
1256
1257 config FW_SNIPROM
1258 bool
1259
1260 config BOOT_ELF32
1261 bool
1262
1263 config MIPS_L1_CACHE_SHIFT_4
1264 bool
1265
1266 config MIPS_L1_CACHE_SHIFT_5
1267 bool
1268
1269 config MIPS_L1_CACHE_SHIFT_6
1270 bool
1271
1272 config MIPS_L1_CACHE_SHIFT_7
1273 bool
1274
1275 config MIPS_L1_CACHE_SHIFT
1276 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5"
1282
1283 config ARC_CMDLINE_ONLY
1284 bool
1285
1286 config ARC_CONSOLE
1287 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S
1289
1290 config ARC_MEMORY
1291 bool
1292
1293 config ARC_PROMLIB
1294 bool
1295
1296 config FW_ARC64
1297 bool
1298
1299 config BOOT_ELF64
1300 bool
1301
1302 menu "CPU selection"
1303
1304 choice
1305 prompt "CPU type"
1306 default CPU_R4X00
1307
1308 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ
1319 select CPU_DIEI_BROKEN if !LOONGSON3_
1320 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT
1322 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT
1328 select GPIOLIB
1329 select SWIOTLB
1330 help
1331 The Loongson GSx64(GS264/GS464/GS46
1332 cores implements the MIPS64R2 instr
1333 including most 64-bit Loongson-2 (2
1334 3B1000, 3B1500, 3A2000, 3A3000 and
1335 Loongson-2E/2F is not covered here
1336
1337 config CPU_LOONGSON2E
1338 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF
1341 help
1342 The Loongson 2E processor implement
1343 with many extensions.
1344
1345 It has an internal FPGA northbridge
1346 bonito64.
1347
1348 config CPU_LOONGSON2F
1349 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF
1352 help
1353 The Loongson 2F processor implement
1354 with many extensions.
1355
1356 Loongson2F have built-in DDR2 and P
1357 have a similar programming interfac
1358 Loongson2E.
1359
1360 config CPU_LOONGSON1B
1361 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER
1365 help
1366 The Loongson 1B is a 32-bit SoC, wh
1367 Release 1 instruction set and part
1368 instruction set.
1369
1370 config CPU_LOONGSON1C
1371 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER
1375 help
1376 The Loongson 1C is a 32-bit SoC, wh
1377 Release 1 instruction set and part
1378 instruction set.
1379
1380 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM
1386 help
1387 Choose this option to build a kerne
1388 MIPS32 architecture. Most modern e
1389 MIPS processor are based on a MIPS3
1390 specific type of processor in your
1391 otherwise CPU_MIPS32_R1 is a safe b
1392 Release 2 of the MIPS32 architectur
1393 years so chances are you even have
1394 in which case you should choose CPU
1395 performance.
1396
1397 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA
1404 help
1405 Choose this option to build a kerne
1406 MIPS32 architecture. Most modern e
1407 MIPS processor are based on a MIPS3
1408 specific type of processor in your
1409 otherwise CPU_MIPS32_R1 is a safe b
1410
1411 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ
1419 select MIPS_O32_FP64_SUPPORT
1420 help
1421 Choose this option to build a kerne
1422 MIPS32 architecture. New MIPS proc
1423 family, are based on a MIPS32r5 pro
1424 processor, you probably need to sel
1425
1426 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ
1435 select MIPS_O32_FP64_SUPPORT
1436 help
1437 Choose this option to build a kerne
1438 MIPS32 architecture. New MIPS proc
1439 family, are based on a MIPS32r6 pro
1440 processor, you probably need to sel
1441
1442 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES
1450 help
1451 Choose this option to build a kerne
1452 MIPS64 architecture. Many modern e
1453 MIPS processor are based on a MIPS6
1454 specific type of processor in your
1455 otherwise CPU_MIPS64_R1 is a safe b
1456 Release 2 of the MIPS64 architectur
1457 years so chances are you even have
1458 in which case you should choose CPU
1459 performance.
1460
1461 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA
1470 help
1471 Choose this option to build a kerne
1472 MIPS64 architecture. Many modern e
1473 MIPS processor are based on a MIPS6
1474 specific type of processor in your
1475 otherwise CPU_MIPS64_R1 is a safe b
1476
1477 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT
1487 select CPU_SUPPORTS_VZ
1488 help
1489 Choose this option to build a kerne
1490 MIPS64 architecture. This is a int
1491 release partly implementing release
1492 any hardware known to be based on t
1493
1494 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT
1505 select CPU_SUPPORTS_VZ
1506 help
1507 Choose this option to build a kerne
1508 MIPS64 architecture. New MIPS proc
1509 family, are based on a MIPS64r6 pro
1510 processor, you probably need to sel
1511
1512 config CPU_P5600
1513 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ
1521 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI
1523 select MIPS_O32_FP64_SUPPORT
1524 help
1525 Choose this option to build a kerne
1526 It's based on MIPS32r5 ISA with XPA
1527 MMU with two-levels TLB, UCA, MSA,
1528 level features like up to six P5600
1529 cache, IOCU/IOMMU (though might be
1530 specific IP core configuration), GI
1531 eJTAG and PDtrace.
1532
1533 config CPU_R3000
1534 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB
1537 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM
1540 help
1541 Please make sure to pick the right
1542 designed to be generic, i.e. Kernel
1543 *not* work on R4000 machines and vi
1544 of the supported machines have an R
1545 might be a safe bet. If the result
1546 try to recompile with R3000.
1547
1548 config CPU_R4300
1549 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL
1553 help
1554 MIPS Technologies R4300-series proc
1555
1556 config CPU_R4X00
1557 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES
1562 help
1563 MIPS Technologies R4000-series proc
1564 the R4000, R4400, R4600, and 4700.
1565
1566 config CPU_TX49XX
1567 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES
1573
1574 config CPU_R5000
1575 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES
1580 help
1581 MIPS Technologies R5000-series proc
1582
1583 config CPU_R5500
1584 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES
1589 help
1590 NEC VR5500 and VR5500A series proce
1591 instruction set.
1592
1593 config CPU_NEVADA
1594 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES
1599 help
1600 QED / PMC-Sierra RM52xx-series ("Ne
1601
1602 config CPU_R10000
1603 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES
1610 help
1611 MIPS Technologies R10000-series pro
1612
1613 config CPU_RM7000
1614 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES
1621
1622 config CPU_SB1
1623 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING
1630
1631 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL
1636 select HAVE_PAGE_SIZE_8KB if !MIPS_VA
1637 select HAVE_PAGE_SIZE_32KB if !MIPS_V
1638 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP
1643 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ
1645 help
1646 The Cavium Octeon processor is a hi
1647 many ethernet hardware widgets for
1648 can have up to 16 Mips64v2 cores an
1649 Full details can be found at http:/
1650
1651 config CPU_BMIPS
1652 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B
1659 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE
1663 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL
1669 help
1670 Support for BMIPS32/3300/4350/4380
1671
1672 endchoice
1673
1674 config LOONGSON3_ENHANCEMENT
1675 bool "New Loongson-3 CPU Enhancements
1676 default n
1677 depends on CPU_LOONGSON64
1678 help
1679 New Loongson-3 cores (since Loongso
1680 R1, Loongson-3B R1 and Loongson-3B
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc
1682 Local register, Read-Inhibit/Execut
1683 Fast TLB refill support, etc.
1684
1685 This option enable those enhancemen
1686 time. If you want a generic kernel
1687 please say 'N' here. If you want a
1688 new Loongson-3 machines only, pleas
1689
1690 config CPU_LOONGSON3_WORKAROUNDS
1691 bool "Loongson-3 LLSC Workarounds"
1692 default y if SMP
1693 depends on CPU_LOONGSON64
1694 help
1695 Loongson-3 processors have the llsc
1696 Without workarounds the system may
1697
1698 Say Y, unless you know what you are
1699
1700 config CPU_LOONGSON3_CPUCFG_EMULATION
1701 bool "Emulate the CPUCFG instruction
1702 default y
1703 depends on CPU_LOONGSON64
1704 help
1705 Loongson-3A R4 and newer have the C
1706 userland to query CPU capabilities,
1707 option provides emulation of the in
1708 cores, back to Loongson-3A1000.
1709
1710 If unsure, please say Y.
1711
1712 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3
1716 CPU_P5600
1717 help
1718 Choose this option to build a kerne
1719 MIPS32 architecture including featu
1720 support for Enhanced Virtual Addres
1721
1722 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV
1724 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA
1726 default y
1727 help
1728 Choose this option if you want to e
1729 Addressing (EVA) on your MIPS32 cor
1730 One of its primary benefits is an i
1731 of lowmem (up to 3GB). If unsure, s
1732
1733 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3
1737 help
1738 Choose this option to build a kerne
1739 MIPS32 architecture including featu
1740 support for Extended Physical Addre
1741
1742 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X
1744 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA
1746 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA
1749 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT
1751 default n
1752 help
1753 Choose this option if you want to e
1754 Addressing (XPA) on your MIPS32 cor
1755 benefit is to increase physical add
1756 than 40 bits. Note that this has th
1757 64-bit addressing which in turn mak
1758 If unsure, say 'N' here.
1759
1760 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS
1762 bool
1763
1764 config CPU_JUMP_WORKAROUNDS
1765 bool
1766
1767 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds"
1769 default y
1770 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS
1772 help
1773 Loongson 2F01 / 2F02 processors hav
1774 require workarounds. Without worka
1775 unexpectedly. For more information
1776 -mfix-loongson2f-nop and -mfix-loon
1777
1778 Loongson 2F03 and later have fixed
1779 are needed. The workarounds have n
1780 but may decrease the performance of
1781 be disabled unless the kernel is in
1782 systems.
1783
1784 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F
1786
1787 config SYS_SUPPORTS_ZBOOT
1788 bool
1789 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD
1796
1797 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool
1799 select SYS_SUPPORTS_ZBOOT
1800
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool
1803 select SYS_SUPPORTS_ZBOOT
1804
1805 config CPU_LOONGSON2EF
1806 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES
1811
1812 config CPU_LOONGSON32
1813 bool
1814 select CPU_MIPS32
1815 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ
1820
1821 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP
1823 bool
1824
1825 config CPU_BMIPS4350
1826 bool
1827 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU
1829
1830 config CPU_BMIPS4380
1831 bool
1832 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI
1836
1837 config CPU_BMIPS5000
1838 bool
1839 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI
1844
1845 config SYS_HAS_CPU_LOONGSON64
1846 bool
1847 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI
1849
1850 config SYS_HAS_CPU_LOONGSON2E
1851 bool
1852
1853 config SYS_HAS_CPU_LOONGSON2F
1854 bool
1855 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B
1857
1858 config SYS_HAS_CPU_LOONGSON1B
1859 bool
1860
1861 config SYS_HAS_CPU_LOONGSON1C
1862 bool
1863
1864 config SYS_HAS_CPU_MIPS32_R1
1865 bool
1866
1867 config SYS_HAS_CPU_MIPS32_R2
1868 bool
1869
1870 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool
1872
1873 config SYS_HAS_CPU_MIPS32_R5
1874 bool
1875
1876 config SYS_HAS_CPU_MIPS32_R6
1877 bool
1878
1879 config SYS_HAS_CPU_MIPS64_R1
1880 bool
1881
1882 config SYS_HAS_CPU_MIPS64_R2
1883 bool
1884
1885 config SYS_HAS_CPU_MIPS64_R5
1886 bool
1887
1888 config SYS_HAS_CPU_MIPS64_R6
1889 bool
1890
1891 config SYS_HAS_CPU_P5600
1892 bool
1893
1894 config SYS_HAS_CPU_R3000
1895 bool
1896
1897 config SYS_HAS_CPU_R4300
1898 bool
1899
1900 config SYS_HAS_CPU_R4X00
1901 bool
1902
1903 config SYS_HAS_CPU_TX49XX
1904 bool
1905
1906 config SYS_HAS_CPU_R5000
1907 bool
1908
1909 config SYS_HAS_CPU_R5500
1910 bool
1911
1912 config SYS_HAS_CPU_NEVADA
1913 bool
1914
1915 config SYS_HAS_CPU_R10000
1916 bool
1917
1918 config SYS_HAS_CPU_RM7000
1919 bool
1920
1921 config SYS_HAS_CPU_SB1
1922 bool
1923
1924 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool
1926
1927 config SYS_HAS_CPU_BMIPS
1928 bool
1929
1930 config SYS_HAS_CPU_BMIPS32_3300
1931 bool
1932 select SYS_HAS_CPU_BMIPS
1933
1934 config SYS_HAS_CPU_BMIPS4350
1935 bool
1936 select SYS_HAS_CPU_BMIPS
1937
1938 config SYS_HAS_CPU_BMIPS4380
1939 bool
1940 select SYS_HAS_CPU_BMIPS
1941
1942 config SYS_HAS_CPU_BMIPS5000
1943 bool
1944 select SYS_HAS_CPU_BMIPS
1945
1946 #
1947 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W
1949 #
1950 config WEAK_ORDERING
1951 bool
1952
1953 #
1954 # CPU may reorder reads and writes beyond LL/
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,
1956 #
1957 config WEAK_REORDERING_BEYOND_LLSC
1958 bool
1959 endmenu
1960
1961 #
1962 # These two indicate any level of the MIPS32
1963 #
1964 config CPU_MIPS32
1965 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP
1967 CPU_MIPS32_R6 || CPU_P56
1968
1969 config CPU_MIPS64
1970 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP
1972 CPU_MIPS64_R6 || CPU_LOO
1973
1974 #
1975 # These indicate the revision of the architec
1976 #
1977 config CPU_MIPSR1
1978 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP
1980
1981 config CPU_MIPSR2
1982 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP
1984 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK
1986 select MIPS_SPRAM
1987
1988 config CPU_MIPSR5
1989 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP
1991 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK
1993 select MIPS_SPRAM
1994
1995 config CPU_MIPSR6
1996 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP
1998 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK
2000 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM
2004
2005 config TARGET_ISA_REV
2006 int
2007 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6
2011 default 0
2012 help
2013 Reflects the ISA revision being tar
2014 is effectively the Kconfig equivale
2015
2016 config EVA
2017 bool
2018
2019 config XPA
2020 bool
2021
2022 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool
2030 config CPU_SUPPORTS_CPUFREQ
2031 bool
2032 config CPU_SUPPORTS_ADDRWINCFG
2033 bool
2034 config CPU_SUPPORTS_HUGEPAGES
2035 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64
2037 config CPU_SUPPORTS_VZ
2038 bool
2039 config MIPS_PGD_C0_CONTEXT
2040 bool
2041 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR
2043
2044 #
2045 # Set to y for ptrace access to watch registe
2046 #
2047 config HARDWARE_WATCHPOINTS
2048 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2
2050
2051 menu "Kernel type"
2052
2053 choice
2054 prompt "Kernel code model"
2055 help
2056 You should only select this option
2057 actually benefits from 64-bit proce
2058 large memory. You will only be pre
2059 menu if your system does not suppor
2060
2061 config 32BIT
2062 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS
2065 help
2066 Select this option if you want to b
2067
2068 config 64BIT
2069 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL
2071 help
2072 Select this option if you want to b
2073
2074 endchoice
2075
2076 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory"
2078 depends on 64BIT
2079 help
2080 Support a maximum at least 48 bits
2081 memory. Default is 40 bits or less
2082 For page sizes 16k and above, this
2083 memory overhead for page tables. F
2084 level of page tables is added which
2085 overhead as well as slower TLB faul
2086
2087 If unsure, say N.
2088
2089 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX
2092 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT
2094 help
2095 The address to load compressed kern
2096
2097 This is only used if non-zero.
2098
2099 config ARCH_FORCE_MAX_ORDER
2100 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT
2102 default "12" if MIPS_HUGE_TLB_SUPPORT
2103 default "11" if MIPS_HUGE_TLB_SUPPORT
2104 default "10"
2105 help
2106 The kernel memory allocator divides
2107 blocks into "zones", where each zon
2108 pages. This option selects the lar
2109 keeps in the memory allocator. If
2110 blocks of physically contiguous mem
2111 increase this value.
2112
2113 The page size is not necessarily 4K
2114 when choosing a value for this opti
2115
2116 config BOARD_SCACHE
2117 bool
2118
2119 config IP22_CPU_SCACHE
2120 bool
2121 select BOARD_SCACHE
2122
2123 #
2124 # Support for a MIPS32 / MIPS64 style S-cache
2125 #
2126 config MIPS_CPU_SCACHE
2127 bool
2128 select BOARD_SCACHE
2129
2130 config R5000_CPU_SCACHE
2131 bool
2132 select BOARD_SCACHE
2133
2134 config RM7000_CPU_SCACHE
2135 bool
2136 select BOARD_SCACHE
2137
2138 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1
2141 help
2142 Instead of using the CPU to zero an
2143 channel. These DMA channels are ot
2144 SiByte Linux port. Seems to give a
2145
2146 config CPU_HAS_PREFETCH
2147 bool
2148
2149 config CPU_GENERIC_DUMP_TLB
2150 bool
2151 default y if !CPU_R3000
2152
2153 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE
2155 default y
2156 help
2157 Select y to include support for flo
2158 including initialization of FPU har
2159 and emulation of an FPU where neces
2160 userland program attempting to use
2161 receive a SIGILL.
2162
2163 If you know that your userland will
2164 instructions then you can say n her
2165
2166 If unsure, say y.
2167
2168 config CPU_R2300_FPU
2169 bool
2170 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000
2172
2173 config CPU_R3K_TLB
2174 bool
2175
2176 config CPU_R4K_FPU
2177 bool
2178 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU
2180
2181 config CPU_R4K_CACHE_TLB
2182 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1
2184
2185 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea
2187 default y
2188 depends on TARGET_ISA_REV > 0 && TARG
2189 depends on SYS_SUPPORTS_MULTITHREADIN
2190 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K
2193 select MIPS_MT
2194 select SMP
2195 select SMP_UP
2196 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help
2200 This is a kernel model which is kno
2201 on cores with the MT ASE and uses t
2202 virtual processors which supports S
2203 Intel Hyperthreading feature. For f
2204 <http://www.imgtec.com/mips/mips-mu
2205
2206 config MIPS_MT
2207 bool
2208
2209 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler
2211 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n
2213 help
2214 SMT scheduler support improves the
2215 when dealing with MIPS MT enabled c
2216 increased overhead in some places.
2217
2218 config SYS_SUPPORTS_SCHED_SMT
2219 bool
2220
2221 config SYS_SUPPORTS_MULTITHREADING
2222 bool
2223
2224 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int
2226 default y
2227 depends on MIPS_MT_SMP
2228
2229 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT
2233 default y
2234 help
2235 Choose this option if you want to r
2236 Even if you say 'Y' here, the emula
2237 default. You can enable it using th
2238 The only reason this is a build-tim
2239 final kernel image.
2240
2241 config SYS_SUPPORTS_VPE_LOADER
2242 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN
2244 help
2245 Indicates that the platform support
2246 physical_memsize.
2247
2248 config MIPS_VPE_LOADER
2249 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER &&
2251 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT
2254 help
2255 Includes a loader for loading an el
2256 onto another VPE and running it.
2257
2258 config MIPS_VPE_LOADER_MT
2259 bool
2260 default "y"
2261 depends on MIPS_VPE_LOADER
2262
2263 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi
2265 depends on MIPS_VPE_LOADER
2266 default y
2267 help
2268 The loader can use memory that is p
2269 Linux using the kernel command line
2270 you to ensure the amount you put in
2271 program requires is less or equal t
2272
2273 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R
2275 depends on MIPS_VPE_LOADER
2276
2277 config MIPS_VPE_APSP_API_MT
2278 bool
2279 default "y"
2280 depends on MIPS_VPE_APSP_API
2281
2282 config MIPS_CPS
2283 bool "MIPS Coherent Processing System
2284 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP
2289 select SYNC_R4K if (CEVT_R4K || CSRC_
2290 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_
2292 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL
2295 help
2296 Select this if you wish to run an S
2297 within a MIPS Coherent Processing S
2298 enabled the kernel will probe for o
2299 no external assistance. It is safe
2300 support is unavailable.
2301
2302 config MIPS_CPS_PM
2303 depends on MIPS_CPS
2304 bool
2305
2306 config MIPS_CM
2307 bool
2308 select MIPS_CPC
2309
2310 config MIPS_CPC
2311 bool
2312
2313 config SB1_PASS_2_WORKAROUNDS
2314 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2
2316 default y
2317
2318 config SB1_PASS_2_1_WORKAROUNDS
2319 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y
2322
2323 choice
2324 prompt "SmartMIPS or microMIPS ASE su
2325
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None"
2328 help
2329 Select this if you want neither mic
2330
2331 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS"
2334 help
2335 SmartMIPS is a extension of the MIP
2336 increased security at both hardware
2337 smartcards. Enabling this option w
2338 SmartMIPS instructions by Linux app
2339 this option will not work on a MIPS
2340 you don't know you probably don't h
2341 here.
2342
2343 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR
2345 bool "microMIPS"
2346 help
2347 When this option is enabled the ker
2348 microMIPS ISA
2349
2350 endchoice
2351
2352 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi
2354 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP
2357 help
2358 MIPS SIMD Architecture (MSA) introd
2359 and a set of SIMD instructions to o
2360 is enabled the kernel will support
2361 vector register contexts. If you kn
2362 running on CPUs which do not suppor
2363 not be making use of it then you ma
2364 the size & complexity of your kerne
2365
2366 If unsure, say Y.
2367
2368 config CPU_HAS_WB
2369 bool
2370
2371 config XKS01
2372 bool
2373
2374 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN
2376 bool
2377
2378 config CPU_DIEI_BROKEN
2379 bool
2380
2381 config CPU_HAS_RIXI
2382 bool
2383
2384 config CPU_NO_LOAD_STORE_LR
2385 bool
2386 help
2387 CPU lacks support for unaligned loa
2388 LWL, LWR, SWL, SWR (Load/store word
2389 LDL, LDR, SDL, SDR (Load/store doub
2390 systems).
2391
2392 #
2393 # Vectored interrupt mode is an R2 feature
2394 #
2395 config CPU_MIPSR2_IRQ_VI
2396 bool
2397
2398 #
2399 # Extended interrupt mode is an R2 feature
2400 #
2401 config CPU_MIPSR2_IRQ_EI
2402 bool
2403
2404 config CPU_HAS_SYNC
2405 bool
2406 depends on !CPU_R3000
2407 default y
2408
2409 #
2410 # CPU non-features
2411 #
2412
2413 # Work around the "daddi" and "daddiu" CPU er
2414 #
2415 # - The `daddi' instruction fails to trap on
2416 # "MIPS R4000PC/SC Errata, Processor Revisi
2417 # erratum #23
2418 #
2419 # - The `daddiu' instruction can produce an i
2420 # "MIPS R4000PC/SC Errata, Processor Revisi
2421 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision
2423 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi
2425 # "MIPS R4400MC Errata, Processor Revision
2426 config CPU_DADDI_WORKAROUNDS
2427 bool
2428
2429 # Work around certain R4000 CPU errata (as im
2430 #
2431 # - A double-word or a variable shift may giv
2432 # if executed immediately after starting an
2433 # "MIPS R4000PC/SC Errata, Processor Revisi
2434 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision
2436 # #19
2437 #
2438 # - A double-word or a variable shift may giv
2439 # if executed while an integer multiplicati
2440 # "MIPS R4000PC/SC Errata, Processor Revisi
2441 # errata #16 & #28
2442 #
2443 # - An integer division may give an incorrect
2444 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi
2446 # erratum #52
2447 config CPU_R4000_WORKAROUNDS
2448 bool
2449 select CPU_R4400_WORKAROUNDS
2450
2451 # Work around certain R4400 CPU errata (as im
2452 #
2453 # - A double-word or a variable shift may giv
2454 # if executed immediately after starting an
2455 # "MIPS R4400MC Errata, Processor Revision
2456 # "MIPS R4400MC Errata, Processor Revision
2457 config CPU_R4400_WORKAROUNDS
2458 bool
2459
2460 config CPU_R4X00_BUGS64
2461 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B
2463
2464 config MIPS_ASID_SHIFT
2465 int
2466 default 6 if CPU_R3000
2467 default 0
2468
2469 config MIPS_ASID_BITS
2470 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000
2473 default 8
2474
2475 config MIPS_ASID_BITS_VARIABLE
2476 bool
2477
2478 config MIPS_CRC_SUPPORT
2479 bool
2480
2481 # R4600 erratum. Due to the lack of errata i
2482 # technical details aren't known. I've exper
2483 # interrupts during indexed I-cache flushes s
2484 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool
2487
2488 # Pleasures of the R4600 V1.x. Cite from the
2489 #
2490 # 18. The CACHE instructions Hit_Writeback_I
2491 # Hit_Invalidate_D and Create_Dirty_Excl
2492 # executed if there is no other dcache a
2493 # accessed for another instruction immed
2494 # cache instructions are executing, it i
2495 # tag match outputs used by these cache
2496 # incorrect. These cache instructions sh
2497 # four instructions that are not any kin
2498 # instruction.
2499 #
2500 # This is not allowed: lw
2501 # nop
2502 # nop
2503 # nop
2504 # cache Hi
2505 #
2506 # This is allowed: lw
2507 # nop
2508 # nop
2509 # nop
2510 # nop
2511 # cache Hi
2512 config WAR_R4600_V1_HIT_CACHEOP
2513 bool
2514
2515 # Writeback and invalidate the primary cache
2516 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat
2519 # operate correctly if the internal data cach
2520 # CACHE instructions should be separated from
2521 # by a load instruction to an uncached addres
2522 # (Revision 2.0 device errata from IDT availa
2523 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP
2525 bool
2526
2527 # From TX49/H2 manual: "If the instruction (i
2528 # the line which this instruction itself exis
2529 # operation is not guaranteed."
2530 #
2531 # Workaround: do two phase flushing for Index
2532 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool
2534
2535 # The RM7000 processors and the E9000 cores h
2536 # opposes it being called that) where invalid
2537 # I-cache line worth of instructions being fe
2538 # exceptions.
2539 config WAR_ICACHE_REFILLS
2540 bool
2541
2542 # On the R10000 up to version 2.6 (not sure a
2543 # may cause ll / sc and lld / scd sequences t
2544 config WAR_R10000_LLSC
2545 bool
2546
2547 # 34K core erratum: "Problems Executing the T
2548 config WAR_MIPS34K_MISSED_ITLB
2549 bool
2550
2551 #
2552 # - Highmem only makes sense for the 32-bit k
2553 # - The current highmem code will only work p
2554 # caches such as R3000, SB1, R7000 or those
2555 # indexed such as R4000/R4400 SC and MC ver
2556 # moment we protect the user and offer the
2557 # where it's known to be safe. This will n
2558 # such as MIPS32 and MIPS64 CPUs which may
2559 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high
2561 # know they might have memory configuration
2562 # support.
2563 #
2564 config HIGHMEM
2565 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH
2567 select KMAP_LOCAL
2568
2569 config CPU_SUPPORTS_HIGHMEM
2570 bool
2571
2572 config SYS_SUPPORTS_HIGHMEM
2573 bool
2574
2575 config SYS_SUPPORTS_SMARTMIPS
2576 bool
2577
2578 config SYS_SUPPORTS_MICROMIPS
2579 bool
2580
2581 config SYS_SUPPORTS_MIPS16
2582 bool
2583 help
2584 This option must be set if a kernel
2585 enabled CPU even if MIPS16 is not a
2586 words, it makes the kernel MIPS16-t
2587
2588 config CPU_SUPPORTS_MSA
2589 bool
2590
2591 config ARCH_FLATMEM_ENABLE
2592 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF
2594
2595 config ARCH_SPARSEMEM_ENABLE
2596 bool
2597
2598 config NUMA
2599 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA
2601 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help
2605 Say Y to compile the kernel to supp
2606 Access). This option improves perf
2607 than two nodes; on two node systems
2608 leave it disabled; on single node s
2609 disabled.
2610
2611 config SYS_SUPPORTS_NUMA
2612 bool
2613
2614 config RELOCATABLE
2615 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6
2618 CPU_MIPS32_R5 || CPU_MIPS6
2619 CPU_MIPS32_R6 || CPU_MIPS6
2620 CPU_P5600 || CAVIUM_OCTEON
2621 CPU_LOONGSON64
2622 help
2623 This builds a kernel image that ret
2624 so it can be loaded someplace besid
2625 The relocations make the kernel bin
2626 but are discarded at runtime
2627
2628 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size"
2630 depends on RELOCATABLE
2631 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6
2633 default "0x00100000"
2634 help
2635 A table of relocation data will be
2636 and parsed at boot to fix up the re
2637
2638 This option allows the amount of sp
2639 adjusted, although the default of 1
2640
2641 The build will fail and a valid siz
2642
2643 If unsure, leave at the default val
2644
2645 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke
2647 depends on RELOCATABLE
2648 help
2649 Randomizes the physical and virtual
2650 kernel image is loaded, as a securi
2651 deters exploit attempts relying on
2652 of kernel internals.
2653
2654 Entropy is generated using any copr
2655
2656 The kernel will be offset by up to
2657
2658 If unsure, say N.
2659
2660 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000
2665 default "0x01000000"
2666 help
2667 When kASLR is active, this provides
2668 be applied to the kernel image. It
2669 amount of physical RAM available in
2670 PHYSICAL_START and must be a power
2671
2672 This is limited by the size of KSEG
2673 EVA or 64-bit. The default is 16Mb.
2674
2675 config NODES_SHIFT
2676 int
2677 default "6"
2678 depends on NUMA
2679
2680 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou
2682 depends on PERF_EVENTS && (CPU_MIPS32
2683 default y
2684 help
2685 Enable hardware performance counter
2686 disabled, perf events will use soft
2687
2688 config DMI
2689 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB
2692 default y
2693 help
2694 Enabled scanning of DMI to identify
2695 here unless you have verified that
2696 affected by entries in the DMI blac
2697 BIOS code.
2698
2699 config SMP
2700 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP
2702 help
2703 This enables support for systems wi
2704 a system with only one CPU, say N.
2705 than one CPU, say Y.
2706
2707 If you say N here, the kernel will
2708 machines, but will use only one CPU
2709 you say Y here, the kernel will run
2710 uniprocessor machines. On a uniproc
2711 will run faster if you say N here.
2712
2713 People using multiprocessor machine
2714 Y to "Enhanced Real Time Clock Supp
2715
2716 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how
2718
2719 If you don't know what to do here,
2720
2721 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU
2724 help
2725 Say Y here to allow turning CPUs of
2726 controlled through /sys/devices/sys
2727 (Note: power management support wil
2728 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho
2730
2731 config SMP_UP
2732 bool
2733
2734 config SYS_SUPPORTS_MIPS_CPS
2735 bool
2736
2737 config SYS_SUPPORTS_SMP
2738 bool
2739
2740 config NR_CPUS_DEFAULT_4
2741 bool
2742
2743 config NR_CPUS_DEFAULT_8
2744 bool
2745
2746 config NR_CPUS_DEFAULT_16
2747 bool
2748
2749 config NR_CPUS_DEFAULT_32
2750 bool
2751
2752 config NR_CPUS_DEFAULT_64
2753 bool
2754
2755 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)"
2757 range 2 256
2758 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64
2764 help
2765 This allows you to specify the maxi
2766 kernel will support. The maximum s
2767 kernel and 64 for 64-bit kernels; t
2768 sense is 1 for Qemu (useful only fo
2769 and 2 for all others.
2770
2771 This is purely to save memory - eac
2772 approximately eight kilobytes to th
2773 performance should round up your nu
2774 power of two.
2775
2776 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool
2778
2779 config MIPS_NR_CPU_NR_MAP_1024
2780 bool
2781
2782 config MIPS_NR_CPU_NR_MAP
2783 int
2784 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA
2787
2788 #
2789 # Timer Interrupt Frequency Configuration
2790 #
2791
2792 choice
2793 prompt "Timer frequency"
2794 default HZ_250
2795 help
2796 Allows the configuration of the tim
2797
2798 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_
2800
2801 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_
2803
2804 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS
2806
2807 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS
2809
2810 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS
2812
2813 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS
2815
2816 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT
2818
2819 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT
2821
2822 endchoice
2823
2824 config SYS_SUPPORTS_24HZ
2825 bool
2826
2827 config SYS_SUPPORTS_48HZ
2828 bool
2829
2830 config SYS_SUPPORTS_100HZ
2831 bool
2832
2833 config SYS_SUPPORTS_128HZ
2834 bool
2835
2836 config SYS_SUPPORTS_250HZ
2837 bool
2838
2839 config SYS_SUPPORTS_256HZ
2840 bool
2841
2842 config SYS_SUPPORTS_1000HZ
2843 bool
2844
2845 config SYS_SUPPORTS_1024HZ
2846 bool
2847
2848 config SYS_SUPPORTS_ARBIT_HZ
2849 bool
2850 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ &&
2857 !SYS_SUPPORTS_1024HZ
2858
2859 config HZ
2860 int
2861 default 24 if HZ_24
2862 default 48 if HZ_48
2863 default 100 if HZ_100
2864 default 128 if HZ_128
2865 default 250 if HZ_250
2866 default 256 if HZ_256
2867 default 1000 if HZ_1000
2868 default 1024 if HZ_1024
2869
2870 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS
2872
2873 config ARCH_SUPPORTS_KEXEC
2874 def_bool y
2875
2876 config ARCH_SUPPORTS_CRASH_DUMP
2877 def_bool y
2878
2879 config PHYSICAL_START
2880 hex "Physical address where the kerne
2881 default "0xffffffff84000000"
2882 depends on CRASH_DUMP
2883 help
2884 This gives the CKSEG0 or KSEG0 addr
2885 If you plan to use kernel for captu
2886 this value to start of the reserved
2887 specified in the "crashkernel=YM@XM
2888 passed to the panic-ed kernel).
2889
2890 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using
2892 depends on 32BIT || MIPS32_O32
2893 help
2894 When this is enabled, the kernel wi
2895 point registers with binaries using
2896 EF_MIPS_FP64 ELF header flag (typic
2897 32-bit MIPS systems this support is
2898 size and complexity of the compiled
2899 running a MIPS32 system and know th
2900 will require 64-bit floating point,
2901 of your kernel & potentially improv
2902 saying N here.
2903
2904 Although binutils currently support
2905 concerning its effect upon the O32
2906 worked on. In order to avoid userla
2907 behaviour before the details have b
2908 be considered experimental and only
2909 said details.
2910
2911 If unsure, say N.
2912
2913 config USE_OF
2914 bool
2915 select OF
2916 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN
2918
2919 config UHI_BOOT
2920 bool
2921
2922 config BUILTIN_DTB
2923 bool
2924
2925 choice
2926 prompt "Kernel appended dtb support"
2927 depends on USE_OF
2928 default MIPS_NO_APPENDED_DTB
2929
2930 config MIPS_NO_APPENDED_DTB
2931 bool "None"
2932 help
2933 Do not enable appended dtb
2934
2935 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux"
2937 help
2938 With this option, the boot
2939 DTB) included in the vmlinu
2940 it is empty and the DTB can
2941 objcopy:
2942
2943 objcopy --update-section
2944
2945 This is meant as a backward
2946 systems with a bootloader t
2947 the documented boot protoco
2948
2949 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz.
2951 help
2952 With this option, the boot
2953 DTB) appended to raw vmlinu
2954 (e.g. cat vmlinux.bin <file
2955
2956 This is meant as a backward
2957 systems with a bootloader t
2958 the documented boot protoco
2959
2960 Beware that there is very l
2961 this option being confused
2962 look like a DTB header afte
2963 to vmlinux.bin. Do not lea
2964 if you don't intend to alwa
2965 endchoice
2966
2967 choice
2968 prompt "Kernel command line type"
2969 depends on !CMDLINE_OVERRIDE
2970 default MIPS_CMDLINE_FROM_DTB if USE_
2971 !MAC
2972 !CAV
2973 default MIPS_CMDLINE_FROM_BOOTLOADER
2974
2975 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF
2977 bool "Dtb kernel arguments if
2978
2979 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF
2981 bool "Extend dtb kernel argum
2982
2983 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum
2985
2986 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a
2989 endchoice
2990
2991 endmenu
2992
2993 config LOCKDEP_SUPPORT
2994 bool
2995 default y
2996
2997 config STACKTRACE_SUPPORT
2998 bool
2999 default y
3000
3001 config PGTABLE_LEVELS
3002 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA
3004 default 3 if 64BIT && (!PAGE_SIZE_64K
3005 default 2
3006
3007 config MIPS_AUTO_PFN_OFFSET
3008 bool
3009
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC
3011
3012 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI
3014 bool
3015
3016 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI
3020
3021 #
3022 # ISA support is now enabled via select. Too
3023 # or other ISA chip on the board that users d
3024 # users to choose the right thing ...
3025 #
3026 config ISA
3027 bool
3028
3029 config TC
3030 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION
3032 help
3033 TURBOchannel is a DEC (now Compaq (
3034 processors. TURBOchannel programmi
3035 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a
3037 and:
3038 <http://www.computer-refuge.org/cla
3039 Linux driver support status is docu
3040 <http://www.linux-mips.org/wiki/DEC
3041
3042 config MMU
3043 bool
3044 default y
3045
3046 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT
3048 default 8
3049
3050 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT
3052 default 15
3053
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8
3056
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15
3059
3060 config I8253
3061 bool
3062 select CLKSRC_I8253
3063 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER
3065 endmenu
3066
3067 config TRAD_SIGNALS
3068 bool
3069
3070 config MIPS32_COMPAT
3071 bool
3072
3073 config COMPAT
3074 bool
3075
3076 config MIPS32_O32
3077 bool "Kernel support for o32 binaries
3078 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT
3081 select MIPS32_COMPAT
3082 help
3083 Select this option if you want to r
3084 32-bit binaries as used by the 32-b
3085 existing binaries are in this forma
3086
3087 If unsure, say Y.
3088
3089 config MIPS32_N32
3090 bool "Kernel support for n32 binaries
3091 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER
3093 select COMPAT
3094 select MIPS32_COMPAT
3095 help
3096 Select this option if you want to r
3097 64-bit binaries using 32-bit quanti
3098 data that would normally be 64-bit.
3099 cases.
3100
3101 If unsure, say N.
3102
3103 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y
3105 depends on $(cc-option,-mno-branch-li
3106
3107 # https://github.com/llvm/llvm-project/issues
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109 def_bool y if CC_IS_CLANG
3110
3111 menu "Power management options"
3112
3113 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU |
3116
3117 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU |
3120
3121 source "kernel/power/Kconfig"
3122
3123 endmenu
3124
3125 config MIPS_EXTERNAL_TIMER
3126 bool
3127
3128 menu "CPU Power Management"
3129
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME
3131 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL
3133
3134 source "drivers/cpuidle/Kconfig"
3135
3136 endmenu
3137
3138 source "arch/mips/kvm/Kconfig"
3139
3140 source "arch/mips/vdso/Kconfig"
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