xref: /linux/arch/mips/Kconfig (revision eae21770b4fed5597623aad0d618190fa60426ff)
1config 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
66menu "Machine selection"
67
68choice
69	prompt "System type"
70	default SGI_IP22
71
72config 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
86config 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
108config 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
122config 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
145config 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	help
173	  Build a generic DT-based kernel image that boots on select
174	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
175	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
176	  must be set appropriately for your board.
177
178config BCM47XX
179	bool "Broadcom BCM47XX based boards"
180	select ARCH_WANT_OPTIONAL_GPIOLIB
181	select BOOT_RAW
182	select CEVT_R4K
183	select CSRC_R4K
184	select DMA_NONCOHERENT
185	select HW_HAS_PCI
186	select IRQ_MIPS_CPU
187	select SYS_HAS_CPU_MIPS32_R1
188	select NO_EXCEPT_FILL
189	select SYS_SUPPORTS_32BIT_KERNEL
190	select SYS_SUPPORTS_LITTLE_ENDIAN
191	select SYS_SUPPORTS_MIPS16
192	select SYS_HAS_EARLY_PRINTK
193	select USE_GENERIC_EARLY_PRINTK_8250
194	select GPIOLIB
195	select LEDS_GPIO_REGISTER
196	select BCM47XX_NVRAM
197	help
198	 Support for BCM47XX based boards
199
200config BCM63XX
201	bool "Broadcom BCM63XX based boards"
202	select BOOT_RAW
203	select CEVT_R4K
204	select CSRC_R4K
205	select SYNC_R4K
206	select DMA_NONCOHERENT
207	select IRQ_MIPS_CPU
208	select SYS_SUPPORTS_32BIT_KERNEL
209	select SYS_SUPPORTS_BIG_ENDIAN
210	select SYS_HAS_EARLY_PRINTK
211	select SWAP_IO_SPACE
212	select ARCH_REQUIRE_GPIOLIB
213	select HAVE_CLK
214	select MIPS_L1_CACHE_SHIFT_4
215	help
216	 Support for BCM63XX based boards
217
218config MIPS_COBALT
219	bool "Cobalt Server"
220	select CEVT_R4K
221	select CSRC_R4K
222	select CEVT_GT641XX
223	select DMA_NONCOHERENT
224	select HW_HAS_PCI
225	select I8253
226	select I8259
227	select IRQ_MIPS_CPU
228	select IRQ_GT641XX
229	select PCI_GT64XXX_PCI0
230	select PCI
231	select SYS_HAS_CPU_NEVADA
232	select SYS_HAS_EARLY_PRINTK
233	select SYS_SUPPORTS_32BIT_KERNEL
234	select SYS_SUPPORTS_64BIT_KERNEL
235	select SYS_SUPPORTS_LITTLE_ENDIAN
236	select USE_GENERIC_EARLY_PRINTK_8250
237
238config MACH_DECSTATION
239	bool "DECstations"
240	select BOOT_ELF32
241	select CEVT_DS1287
242	select CEVT_R4K if CPU_R4X00
243	select CSRC_IOASIC
244	select CSRC_R4K if CPU_R4X00
245	select CPU_DADDI_WORKAROUNDS if 64BIT
246	select CPU_R4000_WORKAROUNDS if 64BIT
247	select CPU_R4400_WORKAROUNDS if 64BIT
248	select DMA_NONCOHERENT
249	select NO_IOPORT_MAP
250	select IRQ_MIPS_CPU
251	select SYS_HAS_CPU_R3000
252	select SYS_HAS_CPU_R4X00
253	select SYS_SUPPORTS_32BIT_KERNEL
254	select SYS_SUPPORTS_64BIT_KERNEL
255	select SYS_SUPPORTS_LITTLE_ENDIAN
256	select SYS_SUPPORTS_128HZ
257	select SYS_SUPPORTS_256HZ
258	select SYS_SUPPORTS_1024HZ
259	select MIPS_L1_CACHE_SHIFT_4
260	help
261	  This enables support for DEC's MIPS based workstations.  For details
262	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
263	  DECstation porting pages on <http://decstation.unix-ag.org/>.
264
265	  If you have one of the following DECstation Models you definitely
266	  want to choose R4xx0 for the CPU Type:
267
268		DECstation 5000/50
269		DECstation 5000/150
270		DECstation 5000/260
271		DECsystem 5900/260
272
273	  otherwise choose R3000.
274
275config MACH_JAZZ
276	bool "Jazz family of machines"
277	select FW_ARC
278	select FW_ARC32
279	select ARCH_MAY_HAVE_PC_FDC
280	select CEVT_R4K
281	select CSRC_R4K
282	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
283	select GENERIC_ISA_DMA
284	select HAVE_PCSPKR_PLATFORM
285	select IRQ_MIPS_CPU
286	select I8253
287	select I8259
288	select ISA
289	select SYS_HAS_CPU_R4X00
290	select SYS_SUPPORTS_32BIT_KERNEL
291	select SYS_SUPPORTS_64BIT_KERNEL
292	select SYS_SUPPORTS_100HZ
293	help
294	 This a family of machines based on the MIPS R4030 chipset which was
295	 used by several vendors to build RISC/os and Windows NT workstations.
296	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
297	 Olivetti M700-10 workstations.
298
299config MACH_INGENIC
300	bool "Ingenic SoC based machines"
301	select SYS_SUPPORTS_32BIT_KERNEL
302	select SYS_SUPPORTS_LITTLE_ENDIAN
303	select SYS_SUPPORTS_ZBOOT_UART16550
304	select DMA_NONCOHERENT
305	select IRQ_MIPS_CPU
306	select ARCH_REQUIRE_GPIOLIB
307	select COMMON_CLK
308	select GENERIC_IRQ_CHIP
309	select BUILTIN_DTB
310	select USE_OF
311	select LIBFDT
312
313config LANTIQ
314	bool "Lantiq based platforms"
315	select DMA_NONCOHERENT
316	select IRQ_MIPS_CPU
317	select CEVT_R4K
318	select CSRC_R4K
319	select SYS_HAS_CPU_MIPS32_R1
320	select SYS_HAS_CPU_MIPS32_R2
321	select SYS_SUPPORTS_BIG_ENDIAN
322	select SYS_SUPPORTS_32BIT_KERNEL
323	select SYS_SUPPORTS_MIPS16
324	select SYS_SUPPORTS_MULTITHREADING
325	select SYS_HAS_EARLY_PRINTK
326	select ARCH_REQUIRE_GPIOLIB
327	select SWAP_IO_SPACE
328	select BOOT_RAW
329	select HAVE_MACH_CLKDEV
330	select CLKDEV_LOOKUP
331	select USE_OF
332	select PINCTRL
333	select PINCTRL_LANTIQ
334	select ARCH_HAS_RESET_CONTROLLER
335	select RESET_CONTROLLER
336
337config LASAT
338	bool "LASAT Networks platforms"
339	select CEVT_R4K
340	select CRC32
341	select CSRC_R4K
342	select DMA_NONCOHERENT
343	select SYS_HAS_EARLY_PRINTK
344	select HW_HAS_PCI
345	select IRQ_MIPS_CPU
346	select PCI_GT64XXX_PCI0
347	select MIPS_NILE4
348	select R5000_CPU_SCACHE
349	select SYS_HAS_CPU_R5000
350	select SYS_SUPPORTS_32BIT_KERNEL
351	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
352	select SYS_SUPPORTS_LITTLE_ENDIAN
353
354config MACH_LOONGSON32
355	bool "Loongson-1 family of machines"
356	select SYS_SUPPORTS_ZBOOT
357	help
358	  This enables support for the Loongson-1 family of machines.
359
360	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
361	  the Institute of Computing Technology (ICT), Chinese Academy of
362	  Sciences (CAS).
363
364config MACH_LOONGSON64
365	bool "Loongson-2/3 family of machines"
366	select SYS_SUPPORTS_ZBOOT
367	help
368	  This enables the support of Loongson-2/3 family of machines.
369
370	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
371	  family of multi-core CPUs. They are both 64-bit general-purpose
372	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
373	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
374	  in the People's Republic of China. The chief architect is Professor
375	  Weiwu Hu.
376
377config MACH_PISTACHIO
378	bool "IMG Pistachio SoC based boards"
379	select ARCH_REQUIRE_GPIOLIB
380	select BOOT_ELF32
381	select BOOT_RAW
382	select CEVT_R4K
383	select CLKSRC_MIPS_GIC
384	select COMMON_CLK
385	select CSRC_R4K
386	select DMA_MAYBE_COHERENT
387	select IRQ_MIPS_CPU
388	select LIBFDT
389	select MFD_SYSCON
390	select MIPS_CPU_SCACHE
391	select MIPS_GIC
392	select PINCTRL
393	select REGULATOR
394	select SYS_HAS_CPU_MIPS32_R2
395	select SYS_SUPPORTS_32BIT_KERNEL
396	select SYS_SUPPORTS_LITTLE_ENDIAN
397	select SYS_SUPPORTS_MIPS_CPS
398	select SYS_SUPPORTS_MULTITHREADING
399	select SYS_SUPPORTS_ZBOOT
400	select SYS_HAS_EARLY_PRINTK
401	select USE_GENERIC_EARLY_PRINTK_8250
402	select USE_OF
403	help
404	  This enables support for the IMG Pistachio SoC platform.
405
406config MACH_XILFPGA
407	bool "MIPSfpga Xilinx based boards"
408	select ARCH_REQUIRE_GPIOLIB
409	select BOOT_ELF32
410	select BOOT_RAW
411	select BUILTIN_DTB
412	select CEVT_R4K
413	select COMMON_CLK
414	select CSRC_R4K
415	select IRQ_MIPS_CPU
416	select LIBFDT
417	select MIPS_CPU_SCACHE
418	select SYS_HAS_EARLY_PRINTK
419	select SYS_HAS_CPU_MIPS32_R2
420	select SYS_SUPPORTS_32BIT_KERNEL
421	select SYS_SUPPORTS_LITTLE_ENDIAN
422	select SYS_SUPPORTS_ZBOOT_UART16550
423	select USE_OF
424	select USE_GENERIC_EARLY_PRINTK_8250
425	help
426	  This enables support for the IMG University Program MIPSfpga platform.
427
428config MIPS_MALTA
429	bool "MIPS Malta board"
430	select ARCH_MAY_HAVE_PC_FDC
431	select BOOT_ELF32
432	select BOOT_RAW
433	select BUILTIN_DTB
434	select CEVT_R4K
435	select CSRC_R4K
436	select CLKSRC_MIPS_GIC
437	select COMMON_CLK
438	select DMA_MAYBE_COHERENT
439	select GENERIC_ISA_DMA
440	select HAVE_PCSPKR_PLATFORM
441	select IRQ_MIPS_CPU
442	select MIPS_GIC
443	select HW_HAS_PCI
444	select I8253
445	select I8259
446	select MIPS_BONITO64
447	select MIPS_CPU_SCACHE
448	select MIPS_L1_CACHE_SHIFT_6
449	select PCI_GT64XXX_PCI0
450	select MIPS_MSC
451	select SMP_UP if SMP
452	select SWAP_IO_SPACE
453	select SYS_HAS_CPU_MIPS32_R1
454	select SYS_HAS_CPU_MIPS32_R2
455	select SYS_HAS_CPU_MIPS32_R3_5
456	select SYS_HAS_CPU_MIPS32_R5
457	select SYS_HAS_CPU_MIPS32_R6
458	select SYS_HAS_CPU_MIPS64_R1
459	select SYS_HAS_CPU_MIPS64_R2
460	select SYS_HAS_CPU_MIPS64_R6
461	select SYS_HAS_CPU_NEVADA
462	select SYS_HAS_CPU_RM7000
463	select SYS_SUPPORTS_32BIT_KERNEL
464	select SYS_SUPPORTS_64BIT_KERNEL
465	select SYS_SUPPORTS_BIG_ENDIAN
466	select SYS_SUPPORTS_HIGHMEM
467	select SYS_SUPPORTS_LITTLE_ENDIAN
468	select SYS_SUPPORTS_MICROMIPS
469	select SYS_SUPPORTS_MIPS_CMP
470	select SYS_SUPPORTS_MIPS_CPS
471	select SYS_SUPPORTS_MIPS16
472	select SYS_SUPPORTS_MULTITHREADING
473	select SYS_SUPPORTS_SMARTMIPS
474	select SYS_SUPPORTS_ZBOOT
475	select USE_OF
476	select ZONE_DMA32 if 64BIT
477	select BUILTIN_DTB
478	select LIBFDT
479	help
480	  This enables support for the MIPS Technologies Malta evaluation
481	  board.
482
483config MIPS_SEAD3
484	bool "MIPS SEAD3 board"
485	select BOOT_ELF32
486	select BOOT_RAW
487	select BUILTIN_DTB
488	select CEVT_R4K
489	select CSRC_R4K
490	select CLKSRC_MIPS_GIC
491	select COMMON_CLK
492	select CPU_MIPSR2_IRQ_VI
493	select CPU_MIPSR2_IRQ_EI
494	select DMA_NONCOHERENT
495	select IRQ_MIPS_CPU
496	select MIPS_GIC
497	select LIBFDT
498	select MIPS_MSC
499	select SYS_HAS_CPU_MIPS32_R1
500	select SYS_HAS_CPU_MIPS32_R2
501	select SYS_HAS_CPU_MIPS64_R1
502	select SYS_HAS_EARLY_PRINTK
503	select SYS_SUPPORTS_32BIT_KERNEL
504	select SYS_SUPPORTS_64BIT_KERNEL
505	select SYS_SUPPORTS_BIG_ENDIAN
506	select SYS_SUPPORTS_LITTLE_ENDIAN
507	select SYS_SUPPORTS_SMARTMIPS
508	select SYS_SUPPORTS_MICROMIPS
509	select SYS_SUPPORTS_MIPS16
510	select USB_EHCI_BIG_ENDIAN_DESC
511	select USB_EHCI_BIG_ENDIAN_MMIO
512	select USE_OF
513	help
514	  This enables support for the MIPS Technologies SEAD3 evaluation
515	  board.
516
517config NEC_MARKEINS
518	bool "NEC EMMA2RH Mark-eins board"
519	select SOC_EMMA2RH
520	select HW_HAS_PCI
521	help
522	  This enables support for the NEC Electronics Mark-eins boards.
523
524config MACH_VR41XX
525	bool "NEC VR4100 series based machines"
526	select CEVT_R4K
527	select CSRC_R4K
528	select SYS_HAS_CPU_VR41XX
529	select SYS_SUPPORTS_MIPS16
530	select ARCH_REQUIRE_GPIOLIB
531
532config NXP_STB220
533	bool "NXP STB220 board"
534	select SOC_PNX833X
535	help
536	 Support for NXP Semiconductors STB220 Development Board.
537
538config NXP_STB225
539	bool "NXP 225 board"
540	select SOC_PNX833X
541	select SOC_PNX8335
542	help
543	 Support for NXP Semiconductors STB225 Development Board.
544
545config PMC_MSP
546	bool "PMC-Sierra MSP chipsets"
547	select CEVT_R4K
548	select CSRC_R4K
549	select DMA_NONCOHERENT
550	select SWAP_IO_SPACE
551	select NO_EXCEPT_FILL
552	select BOOT_RAW
553	select SYS_HAS_CPU_MIPS32_R1
554	select SYS_HAS_CPU_MIPS32_R2
555	select SYS_SUPPORTS_32BIT_KERNEL
556	select SYS_SUPPORTS_BIG_ENDIAN
557	select SYS_SUPPORTS_MIPS16
558	select IRQ_MIPS_CPU
559	select SERIAL_8250
560	select SERIAL_8250_CONSOLE
561	select USB_EHCI_BIG_ENDIAN_MMIO
562	select USB_EHCI_BIG_ENDIAN_DESC
563	help
564	  This adds support for the PMC-Sierra family of Multi-Service
565	  Processor System-On-A-Chips.  These parts include a number
566	  of integrated peripherals, interfaces and DSPs in addition to
567	  a variety of MIPS cores.
568
569config RALINK
570	bool "Ralink based machines"
571	select CEVT_R4K
572	select CSRC_R4K
573	select BOOT_RAW
574	select DMA_NONCOHERENT
575	select IRQ_MIPS_CPU
576	select USE_OF
577	select SYS_HAS_CPU_MIPS32_R1
578	select SYS_HAS_CPU_MIPS32_R2
579	select SYS_SUPPORTS_32BIT_KERNEL
580	select SYS_SUPPORTS_LITTLE_ENDIAN
581	select SYS_SUPPORTS_MIPS16
582	select SYS_HAS_EARLY_PRINTK
583	select HAVE_MACH_CLKDEV
584	select CLKDEV_LOOKUP
585	select ARCH_HAS_RESET_CONTROLLER
586	select RESET_CONTROLLER
587
588config SGI_IP22
589	bool "SGI IP22 (Indy/Indigo2)"
590	select FW_ARC
591	select FW_ARC32
592	select BOOT_ELF32
593	select CEVT_R4K
594	select CSRC_R4K
595	select DEFAULT_SGI_PARTITION
596	select DMA_NONCOHERENT
597	select HW_HAS_EISA
598	select I8253
599	select I8259
600	select IP22_CPU_SCACHE
601	select IRQ_MIPS_CPU
602	select GENERIC_ISA_DMA_SUPPORT_BROKEN
603	select SGI_HAS_I8042
604	select SGI_HAS_INDYDOG
605	select SGI_HAS_HAL2
606	select SGI_HAS_SEEQ
607	select SGI_HAS_WD93
608	select SGI_HAS_ZILOG
609	select SWAP_IO_SPACE
610	select SYS_HAS_CPU_R4X00
611	select SYS_HAS_CPU_R5000
612	#
613	# Disable EARLY_PRINTK for now since it leads to overwritten prom
614	# memory during early boot on some machines.
615	#
616	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
617	# for a more details discussion
618	#
619	# select SYS_HAS_EARLY_PRINTK
620	select SYS_SUPPORTS_32BIT_KERNEL
621	select SYS_SUPPORTS_64BIT_KERNEL
622	select SYS_SUPPORTS_BIG_ENDIAN
623	select MIPS_L1_CACHE_SHIFT_7
624	help
625	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
626	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
627	  that runs on these, say Y here.
628
629config SGI_IP27
630	bool "SGI IP27 (Origin200/2000)"
631	select FW_ARC
632	select FW_ARC64
633	select BOOT_ELF64
634	select DEFAULT_SGI_PARTITION
635	select DMA_COHERENT
636	select SYS_HAS_EARLY_PRINTK
637	select HW_HAS_PCI
638	select NR_CPUS_DEFAULT_64
639	select SYS_HAS_CPU_R10000
640	select SYS_SUPPORTS_64BIT_KERNEL
641	select SYS_SUPPORTS_BIG_ENDIAN
642	select SYS_SUPPORTS_NUMA
643	select SYS_SUPPORTS_SMP
644	select MIPS_L1_CACHE_SHIFT_7
645	help
646	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
647	  workstations.  To compile a Linux kernel that runs on these, say Y
648	  here.
649
650config SGI_IP28
651	bool "SGI IP28 (Indigo2 R10k)"
652	select FW_ARC
653	select FW_ARC64
654	select BOOT_ELF64
655	select CEVT_R4K
656	select CSRC_R4K
657	select DEFAULT_SGI_PARTITION
658	select DMA_NONCOHERENT
659	select GENERIC_ISA_DMA_SUPPORT_BROKEN
660	select IRQ_MIPS_CPU
661	select HW_HAS_EISA
662	select I8253
663	select I8259
664	select SGI_HAS_I8042
665	select SGI_HAS_INDYDOG
666	select SGI_HAS_HAL2
667	select SGI_HAS_SEEQ
668	select SGI_HAS_WD93
669	select SGI_HAS_ZILOG
670	select SWAP_IO_SPACE
671	select SYS_HAS_CPU_R10000
672	#
673	# Disable EARLY_PRINTK for now since it leads to overwritten prom
674	# memory during early boot on some machines.
675	#
676	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
677	# for a more details discussion
678	#
679	# select SYS_HAS_EARLY_PRINTK
680	select SYS_SUPPORTS_64BIT_KERNEL
681	select SYS_SUPPORTS_BIG_ENDIAN
682	select MIPS_L1_CACHE_SHIFT_7
683      help
684        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
685        kernel that runs on these, say Y here.
686
687config SGI_IP32
688	bool "SGI IP32 (O2)"
689	select FW_ARC
690	select FW_ARC32
691	select BOOT_ELF32
692	select CEVT_R4K
693	select CSRC_R4K
694	select DMA_NONCOHERENT
695	select HW_HAS_PCI
696	select IRQ_MIPS_CPU
697	select R5000_CPU_SCACHE
698	select RM7000_CPU_SCACHE
699	select SYS_HAS_CPU_R5000
700	select SYS_HAS_CPU_R10000 if BROKEN
701	select SYS_HAS_CPU_RM7000
702	select SYS_HAS_CPU_NEVADA
703	select SYS_SUPPORTS_64BIT_KERNEL
704	select SYS_SUPPORTS_BIG_ENDIAN
705	help
706	  If you want this kernel to run on SGI O2 workstation, say Y here.
707
708config SIBYTE_CRHINE
709	bool "Sibyte BCM91120C-CRhine"
710	select BOOT_ELF32
711	select DMA_COHERENT
712	select SIBYTE_BCM1120
713	select SWAP_IO_SPACE
714	select SYS_HAS_CPU_SB1
715	select SYS_SUPPORTS_BIG_ENDIAN
716	select SYS_SUPPORTS_LITTLE_ENDIAN
717
718config SIBYTE_CARMEL
719	bool "Sibyte BCM91120x-Carmel"
720	select BOOT_ELF32
721	select DMA_COHERENT
722	select SIBYTE_BCM1120
723	select SWAP_IO_SPACE
724	select SYS_HAS_CPU_SB1
725	select SYS_SUPPORTS_BIG_ENDIAN
726	select SYS_SUPPORTS_LITTLE_ENDIAN
727
728config SIBYTE_CRHONE
729	bool "Sibyte BCM91125C-CRhone"
730	select BOOT_ELF32
731	select DMA_COHERENT
732	select SIBYTE_BCM1125
733	select SWAP_IO_SPACE
734	select SYS_HAS_CPU_SB1
735	select SYS_SUPPORTS_BIG_ENDIAN
736	select SYS_SUPPORTS_HIGHMEM
737	select SYS_SUPPORTS_LITTLE_ENDIAN
738
739config SIBYTE_RHONE
740	bool "Sibyte BCM91125E-Rhone"
741	select BOOT_ELF32
742	select DMA_COHERENT
743	select SIBYTE_BCM1125H
744	select SWAP_IO_SPACE
745	select SYS_HAS_CPU_SB1
746	select SYS_SUPPORTS_BIG_ENDIAN
747	select SYS_SUPPORTS_LITTLE_ENDIAN
748
749config SIBYTE_SWARM
750	bool "Sibyte BCM91250A-SWARM"
751	select BOOT_ELF32
752	select DMA_COHERENT
753	select HAVE_PATA_PLATFORM
754	select SIBYTE_SB1250
755	select SWAP_IO_SPACE
756	select SYS_HAS_CPU_SB1
757	select SYS_SUPPORTS_BIG_ENDIAN
758	select SYS_SUPPORTS_HIGHMEM
759	select SYS_SUPPORTS_LITTLE_ENDIAN
760	select ZONE_DMA32 if 64BIT
761
762config SIBYTE_LITTLESUR
763	bool "Sibyte BCM91250C2-LittleSur"
764	select BOOT_ELF32
765	select DMA_COHERENT
766	select HAVE_PATA_PLATFORM
767	select SIBYTE_SB1250
768	select SWAP_IO_SPACE
769	select SYS_HAS_CPU_SB1
770	select SYS_SUPPORTS_BIG_ENDIAN
771	select SYS_SUPPORTS_HIGHMEM
772	select SYS_SUPPORTS_LITTLE_ENDIAN
773
774config SIBYTE_SENTOSA
775	bool "Sibyte BCM91250E-Sentosa"
776	select BOOT_ELF32
777	select DMA_COHERENT
778	select SIBYTE_SB1250
779	select SWAP_IO_SPACE
780	select SYS_HAS_CPU_SB1
781	select SYS_SUPPORTS_BIG_ENDIAN
782	select SYS_SUPPORTS_LITTLE_ENDIAN
783
784config SIBYTE_BIGSUR
785	bool "Sibyte BCM91480B-BigSur"
786	select BOOT_ELF32
787	select DMA_COHERENT
788	select NR_CPUS_DEFAULT_4
789	select SIBYTE_BCM1x80
790	select SWAP_IO_SPACE
791	select SYS_HAS_CPU_SB1
792	select SYS_SUPPORTS_BIG_ENDIAN
793	select SYS_SUPPORTS_HIGHMEM
794	select SYS_SUPPORTS_LITTLE_ENDIAN
795	select ZONE_DMA32 if 64BIT
796
797config SNI_RM
798	bool "SNI RM200/300/400"
799	select FW_ARC if CPU_LITTLE_ENDIAN
800	select FW_ARC32 if CPU_LITTLE_ENDIAN
801	select FW_SNIPROM if CPU_BIG_ENDIAN
802	select ARCH_MAY_HAVE_PC_FDC
803	select BOOT_ELF32
804	select CEVT_R4K
805	select CSRC_R4K
806	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
807	select DMA_NONCOHERENT
808	select GENERIC_ISA_DMA
809	select HAVE_PCSPKR_PLATFORM
810	select HW_HAS_EISA
811	select HW_HAS_PCI
812	select IRQ_MIPS_CPU
813	select I8253
814	select I8259
815	select ISA
816	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
817	select SYS_HAS_CPU_R4X00
818	select SYS_HAS_CPU_R5000
819	select SYS_HAS_CPU_R10000
820	select R5000_CPU_SCACHE
821	select SYS_HAS_EARLY_PRINTK
822	select SYS_SUPPORTS_32BIT_KERNEL
823	select SYS_SUPPORTS_64BIT_KERNEL
824	select SYS_SUPPORTS_BIG_ENDIAN
825	select SYS_SUPPORTS_HIGHMEM
826	select SYS_SUPPORTS_LITTLE_ENDIAN
827	help
828	  The SNI RM200/300/400 are MIPS-based machines manufactured by
829	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
830	  Technology and now in turn merged with Fujitsu.  Say Y here to
831	  support this machine type.
832
833config MACH_TX39XX
834	bool "Toshiba TX39 series based machines"
835
836config MACH_TX49XX
837	bool "Toshiba TX49 series based machines"
838
839config MIKROTIK_RB532
840	bool "Mikrotik RB532 boards"
841	select CEVT_R4K
842	select CSRC_R4K
843	select DMA_NONCOHERENT
844	select HW_HAS_PCI
845	select IRQ_MIPS_CPU
846	select SYS_HAS_CPU_MIPS32_R1
847	select SYS_SUPPORTS_32BIT_KERNEL
848	select SYS_SUPPORTS_LITTLE_ENDIAN
849	select SWAP_IO_SPACE
850	select BOOT_RAW
851	select ARCH_REQUIRE_GPIOLIB
852	select MIPS_L1_CACHE_SHIFT_4
853	help
854	  Support the Mikrotik(tm) RouterBoard 532 series,
855	  based on the IDT RC32434 SoC.
856
857config CAVIUM_OCTEON_SOC
858	bool "Cavium Networks Octeon SoC based boards"
859	select CEVT_R4K
860	select ARCH_PHYS_ADDR_T_64BIT
861	select DMA_COHERENT
862	select SYS_SUPPORTS_64BIT_KERNEL
863	select SYS_SUPPORTS_BIG_ENDIAN
864	select EDAC_SUPPORT
865	select EDAC_ATOMIC_SCRUB
866	select SYS_SUPPORTS_LITTLE_ENDIAN
867	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
868	select SYS_HAS_EARLY_PRINTK
869	select SYS_HAS_CPU_CAVIUM_OCTEON
870	select SWAP_IO_SPACE
871	select HW_HAS_PCI
872	select ZONE_DMA32
873	select HOLES_IN_ZONE
874	select ARCH_REQUIRE_GPIOLIB
875	select LIBFDT
876	select USE_OF
877	select ARCH_SPARSEMEM_ENABLE
878	select SYS_SUPPORTS_SMP
879	select NR_CPUS_DEFAULT_16
880	select BUILTIN_DTB
881	select MTD_COMPLEX_MAPPINGS
882	help
883	  This option supports all of the Octeon reference boards from Cavium
884	  Networks. It builds a kernel that dynamically determines the Octeon
885	  CPU type and supports all known board reference implementations.
886	  Some of the supported boards are:
887		EBT3000
888		EBH3000
889		EBH3100
890		Thunder
891		Kodama
892		Hikari
893	  Say Y here for most Octeon reference boards.
894
895config NLM_XLR_BOARD
896	bool "Netlogic XLR/XLS based systems"
897	select BOOT_ELF32
898	select NLM_COMMON
899	select SYS_HAS_CPU_XLR
900	select SYS_SUPPORTS_SMP
901	select HW_HAS_PCI
902	select SWAP_IO_SPACE
903	select SYS_SUPPORTS_32BIT_KERNEL
904	select SYS_SUPPORTS_64BIT_KERNEL
905	select ARCH_PHYS_ADDR_T_64BIT
906	select SYS_SUPPORTS_BIG_ENDIAN
907	select SYS_SUPPORTS_HIGHMEM
908	select DMA_COHERENT
909	select NR_CPUS_DEFAULT_32
910	select CEVT_R4K
911	select CSRC_R4K
912	select IRQ_MIPS_CPU
913	select ZONE_DMA32 if 64BIT
914	select SYNC_R4K
915	select SYS_HAS_EARLY_PRINTK
916	select SYS_SUPPORTS_ZBOOT
917	select SYS_SUPPORTS_ZBOOT_UART16550
918	help
919	  Support for systems based on Netlogic XLR and XLS processors.
920	  Say Y here if you have a XLR or XLS based board.
921
922config NLM_XLP_BOARD
923	bool "Netlogic XLP based systems"
924	select BOOT_ELF32
925	select NLM_COMMON
926	select SYS_HAS_CPU_XLP
927	select SYS_SUPPORTS_SMP
928	select HW_HAS_PCI
929	select SYS_SUPPORTS_32BIT_KERNEL
930	select SYS_SUPPORTS_64BIT_KERNEL
931	select ARCH_PHYS_ADDR_T_64BIT
932	select ARCH_REQUIRE_GPIOLIB
933	select SYS_SUPPORTS_BIG_ENDIAN
934	select SYS_SUPPORTS_LITTLE_ENDIAN
935	select SYS_SUPPORTS_HIGHMEM
936	select DMA_COHERENT
937	select NR_CPUS_DEFAULT_32
938	select CEVT_R4K
939	select CSRC_R4K
940	select IRQ_MIPS_CPU
941	select ZONE_DMA32 if 64BIT
942	select SYNC_R4K
943	select SYS_HAS_EARLY_PRINTK
944	select USE_OF
945	select SYS_SUPPORTS_ZBOOT
946	select SYS_SUPPORTS_ZBOOT_UART16550
947	help
948	  This board is based on Netlogic XLP Processor.
949	  Say Y here if you have a XLP based board.
950
951config MIPS_PARAVIRT
952	bool "Para-Virtualized guest system"
953	select CEVT_R4K
954	select CSRC_R4K
955	select DMA_COHERENT
956	select SYS_SUPPORTS_64BIT_KERNEL
957	select SYS_SUPPORTS_32BIT_KERNEL
958	select SYS_SUPPORTS_BIG_ENDIAN
959	select SYS_SUPPORTS_SMP
960	select NR_CPUS_DEFAULT_4
961	select SYS_HAS_EARLY_PRINTK
962	select SYS_HAS_CPU_MIPS32_R2
963	select SYS_HAS_CPU_MIPS64_R2
964	select SYS_HAS_CPU_CAVIUM_OCTEON
965	select HW_HAS_PCI
966	select SWAP_IO_SPACE
967	help
968	  This option supports guest running under ????
969
970endchoice
971
972source "arch/mips/alchemy/Kconfig"
973source "arch/mips/ath25/Kconfig"
974source "arch/mips/ath79/Kconfig"
975source "arch/mips/bcm47xx/Kconfig"
976source "arch/mips/bcm63xx/Kconfig"
977source "arch/mips/bmips/Kconfig"
978source "arch/mips/jazz/Kconfig"
979source "arch/mips/jz4740/Kconfig"
980source "arch/mips/lantiq/Kconfig"
981source "arch/mips/lasat/Kconfig"
982source "arch/mips/pistachio/Kconfig"
983source "arch/mips/pmcs-msp71xx/Kconfig"
984source "arch/mips/ralink/Kconfig"
985source "arch/mips/sgi-ip27/Kconfig"
986source "arch/mips/sibyte/Kconfig"
987source "arch/mips/txx9/Kconfig"
988source "arch/mips/vr41xx/Kconfig"
989source "arch/mips/cavium-octeon/Kconfig"
990source "arch/mips/loongson32/Kconfig"
991source "arch/mips/loongson64/Kconfig"
992source "arch/mips/netlogic/Kconfig"
993source "arch/mips/paravirt/Kconfig"
994source "arch/mips/xilfpga/Kconfig"
995
996endmenu
997
998config RWSEM_GENERIC_SPINLOCK
999	bool
1000	default y
1001
1002config RWSEM_XCHGADD_ALGORITHM
1003	bool
1004
1005config ARCH_HAS_ILOG2_U32
1006	bool
1007	default n
1008
1009config ARCH_HAS_ILOG2_U64
1010	bool
1011	default n
1012
1013config GENERIC_HWEIGHT
1014	bool
1015	default y
1016
1017config GENERIC_CALIBRATE_DELAY
1018	bool
1019	default y
1020
1021config SCHED_OMIT_FRAME_POINTER
1022	bool
1023	default y
1024
1025#
1026# Select some configuration options automatically based on user selections.
1027#
1028config FW_ARC
1029	bool
1030
1031config ARCH_MAY_HAVE_PC_FDC
1032	bool
1033
1034config BOOT_RAW
1035	bool
1036
1037config CEVT_BCM1480
1038	bool
1039
1040config CEVT_DS1287
1041	bool
1042
1043config CEVT_GT641XX
1044	bool
1045
1046config CEVT_R4K
1047	bool
1048
1049config CEVT_SB1250
1050	bool
1051
1052config CEVT_TXX9
1053	bool
1054
1055config CSRC_BCM1480
1056	bool
1057
1058config CSRC_IOASIC
1059	bool
1060
1061config CSRC_R4K
1062	bool
1063
1064config CSRC_SB1250
1065	bool
1066
1067config MIPS_CLOCK_VSYSCALL
1068	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1069
1070config GPIO_TXX9
1071	select ARCH_REQUIRE_GPIOLIB
1072	bool
1073
1074config FW_CFE
1075	bool
1076
1077config ARCH_DMA_ADDR_T_64BIT
1078	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1079
1080config ARCH_SUPPORTS_UPROBES
1081	bool
1082
1083config DMA_MAYBE_COHERENT
1084	select DMA_NONCOHERENT
1085	bool
1086
1087config DMA_COHERENT
1088	bool
1089
1090config DMA_NONCOHERENT
1091	bool
1092	select NEED_DMA_MAP_STATE
1093
1094config NEED_DMA_MAP_STATE
1095	bool
1096
1097config SYS_HAS_EARLY_PRINTK
1098	bool
1099
1100config HOTPLUG_CPU
1101	bool "Support for hot-pluggable CPUs"
1102	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1103	help
1104	  Say Y here to allow turning CPUs off and on. CPUs can be
1105	  controlled through /sys/devices/system/cpu.
1106	  (Note: power management support will enable this option
1107	    automatically on SMP systems. )
1108	  Say N if you want to disable CPU hotplug.
1109
1110config SYS_SUPPORTS_HOTPLUG_CPU
1111	bool
1112
1113config MIPS_BONITO64
1114	bool
1115
1116config MIPS_MSC
1117	bool
1118
1119config MIPS_NILE4
1120	bool
1121
1122config SYNC_R4K
1123	bool
1124
1125config MIPS_MACHINE
1126	def_bool n
1127
1128config NO_IOPORT_MAP
1129	def_bool n
1130
1131config GENERIC_CSUM
1132	bool
1133
1134config GENERIC_ISA_DMA
1135	bool
1136	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1137	select ISA_DMA_API
1138
1139config GENERIC_ISA_DMA_SUPPORT_BROKEN
1140	bool
1141	select GENERIC_ISA_DMA
1142
1143config ISA_DMA_API
1144	bool
1145
1146config HOLES_IN_ZONE
1147	bool
1148
1149#
1150# Endianness selection.  Sufficiently obscure so many users don't know what to
1151# answer,so we try hard to limit the available choices.  Also the use of a
1152# choice statement should be more obvious to the user.
1153#
1154choice
1155	prompt "Endianness selection"
1156	help
1157	  Some MIPS machines can be configured for either little or big endian
1158	  byte order. These modes require different kernels and a different
1159	  Linux distribution.  In general there is one preferred byteorder for a
1160	  particular system but some systems are just as commonly used in the
1161	  one or the other endianness.
1162
1163config CPU_BIG_ENDIAN
1164	bool "Big endian"
1165	depends on SYS_SUPPORTS_BIG_ENDIAN
1166
1167config CPU_LITTLE_ENDIAN
1168	bool "Little endian"
1169	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1170
1171endchoice
1172
1173config EXPORT_UASM
1174	bool
1175
1176config SYS_SUPPORTS_APM_EMULATION
1177	bool
1178
1179config SYS_SUPPORTS_BIG_ENDIAN
1180	bool
1181
1182config SYS_SUPPORTS_LITTLE_ENDIAN
1183	bool
1184
1185config SYS_SUPPORTS_HUGETLBFS
1186	bool
1187	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1188	default y
1189
1190config MIPS_HUGE_TLB_SUPPORT
1191	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1192
1193config IRQ_CPU_RM7K
1194	bool
1195
1196config IRQ_MSP_SLP
1197	bool
1198
1199config IRQ_MSP_CIC
1200	bool
1201
1202config IRQ_TXX9
1203	bool
1204
1205config IRQ_GT641XX
1206	bool
1207
1208config PCI_GT64XXX_PCI0
1209	bool
1210
1211config NO_EXCEPT_FILL
1212	bool
1213
1214config SOC_EMMA2RH
1215	bool
1216	select CEVT_R4K
1217	select CSRC_R4K
1218	select DMA_NONCOHERENT
1219	select IRQ_MIPS_CPU
1220	select SWAP_IO_SPACE
1221	select SYS_HAS_CPU_R5500
1222	select SYS_SUPPORTS_32BIT_KERNEL
1223	select SYS_SUPPORTS_64BIT_KERNEL
1224	select SYS_SUPPORTS_BIG_ENDIAN
1225
1226config SOC_PNX833X
1227	bool
1228	select CEVT_R4K
1229	select CSRC_R4K
1230	select IRQ_MIPS_CPU
1231	select DMA_NONCOHERENT
1232	select SYS_HAS_CPU_MIPS32_R2
1233	select SYS_SUPPORTS_32BIT_KERNEL
1234	select SYS_SUPPORTS_LITTLE_ENDIAN
1235	select SYS_SUPPORTS_BIG_ENDIAN
1236	select SYS_SUPPORTS_MIPS16
1237	select CPU_MIPSR2_IRQ_VI
1238
1239config SOC_PNX8335
1240	bool
1241	select SOC_PNX833X
1242
1243config MIPS_SPRAM
1244	bool
1245
1246config SWAP_IO_SPACE
1247	bool
1248
1249config SGI_HAS_INDYDOG
1250	bool
1251
1252config SGI_HAS_HAL2
1253	bool
1254
1255config SGI_HAS_SEEQ
1256	bool
1257
1258config SGI_HAS_WD93
1259	bool
1260
1261config SGI_HAS_ZILOG
1262	bool
1263
1264config SGI_HAS_I8042
1265	bool
1266
1267config DEFAULT_SGI_PARTITION
1268	bool
1269
1270config FW_ARC32
1271	bool
1272
1273config FW_SNIPROM
1274	bool
1275
1276config BOOT_ELF32
1277	bool
1278
1279config MIPS_L1_CACHE_SHIFT_4
1280	bool
1281
1282config MIPS_L1_CACHE_SHIFT_5
1283	bool
1284
1285config MIPS_L1_CACHE_SHIFT_6
1286	bool
1287
1288config MIPS_L1_CACHE_SHIFT_7
1289	bool
1290
1291config MIPS_L1_CACHE_SHIFT
1292	int
1293	default "7" if MIPS_L1_CACHE_SHIFT_7
1294	default "6" if MIPS_L1_CACHE_SHIFT_6
1295	default "5" if MIPS_L1_CACHE_SHIFT_5
1296	default "4" if MIPS_L1_CACHE_SHIFT_4
1297	default "5"
1298
1299config HAVE_STD_PC_SERIAL_PORT
1300	bool
1301
1302config ARC_CONSOLE
1303	bool "ARC console support"
1304	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1305
1306config ARC_MEMORY
1307	bool
1308	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1309	default y
1310
1311config ARC_PROMLIB
1312	bool
1313	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1314	default y
1315
1316config FW_ARC64
1317	bool
1318
1319config BOOT_ELF64
1320	bool
1321
1322menu "CPU selection"
1323
1324choice
1325	prompt "CPU type"
1326	default CPU_R4X00
1327
1328config CPU_LOONGSON3
1329	bool "Loongson 3 CPU"
1330	depends on SYS_HAS_CPU_LOONGSON3
1331	select CPU_SUPPORTS_64BIT_KERNEL
1332	select CPU_SUPPORTS_HIGHMEM
1333	select CPU_SUPPORTS_HUGEPAGES
1334	select WEAK_ORDERING
1335	select WEAK_REORDERING_BEYOND_LLSC
1336	select ARCH_REQUIRE_GPIOLIB
1337	help
1338		The Loongson 3 processor implements the MIPS64R2 instruction
1339		set with many extensions.
1340
1341config CPU_LOONGSON2E
1342	bool "Loongson 2E"
1343	depends on SYS_HAS_CPU_LOONGSON2E
1344	select CPU_LOONGSON2
1345	help
1346	  The Loongson 2E processor implements the MIPS III instruction set
1347	  with many extensions.
1348
1349	  It has an internal FPGA northbridge, which is compatible to
1350	  bonito64.
1351
1352config CPU_LOONGSON2F
1353	bool "Loongson 2F"
1354	depends on SYS_HAS_CPU_LOONGSON2F
1355	select CPU_LOONGSON2
1356	select ARCH_REQUIRE_GPIOLIB
1357	help
1358	  The Loongson 2F processor implements the MIPS III instruction set
1359	  with many extensions.
1360
1361	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1362	  have a similar programming interface with FPGA northbridge used in
1363	  Loongson2E.
1364
1365config CPU_LOONGSON1B
1366	bool "Loongson 1B"
1367	depends on SYS_HAS_CPU_LOONGSON1B
1368	select CPU_LOONGSON1
1369	help
1370	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1371	  release 2 instruction set.
1372
1373config CPU_MIPS32_R1
1374	bool "MIPS32 Release 1"
1375	depends on SYS_HAS_CPU_MIPS32_R1
1376	select CPU_HAS_PREFETCH
1377	select CPU_SUPPORTS_32BIT_KERNEL
1378	select CPU_SUPPORTS_HIGHMEM
1379	help
1380	  Choose this option to build a kernel for release 1 or later of the
1381	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1382	  MIPS processor are based on a MIPS32 processor.  If you know the
1383	  specific type of processor in your system, choose those that one
1384	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1385	  Release 2 of the MIPS32 architecture is available since several
1386	  years so chances are you even have a MIPS32 Release 2 processor
1387	  in which case you should choose CPU_MIPS32_R2 instead for better
1388	  performance.
1389
1390config CPU_MIPS32_R2
1391	bool "MIPS32 Release 2"
1392	depends on SYS_HAS_CPU_MIPS32_R2
1393	select CPU_HAS_PREFETCH
1394	select CPU_SUPPORTS_32BIT_KERNEL
1395	select CPU_SUPPORTS_HIGHMEM
1396	select CPU_SUPPORTS_MSA
1397	select HAVE_KVM
1398	help
1399	  Choose this option to build a kernel for release 2 or later of the
1400	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1401	  MIPS processor are based on a MIPS32 processor.  If you know the
1402	  specific type of processor in your system, choose those that one
1403	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1404
1405config CPU_MIPS32_R6
1406	bool "MIPS32 Release 6"
1407	depends on SYS_HAS_CPU_MIPS32_R6
1408	select CPU_HAS_PREFETCH
1409	select CPU_SUPPORTS_32BIT_KERNEL
1410	select CPU_SUPPORTS_HIGHMEM
1411	select CPU_SUPPORTS_MSA
1412	select GENERIC_CSUM
1413	select HAVE_KVM
1414	select MIPS_O32_FP64_SUPPORT
1415	help
1416	  Choose this option to build a kernel for release 6 or later of the
1417	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1418	  family, are based on a MIPS32r6 processor. If you own an older
1419	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1420
1421config CPU_MIPS64_R1
1422	bool "MIPS64 Release 1"
1423	depends on SYS_HAS_CPU_MIPS64_R1
1424	select CPU_HAS_PREFETCH
1425	select CPU_SUPPORTS_32BIT_KERNEL
1426	select CPU_SUPPORTS_64BIT_KERNEL
1427	select CPU_SUPPORTS_HIGHMEM
1428	select CPU_SUPPORTS_HUGEPAGES
1429	help
1430	  Choose this option to build a kernel for release 1 or later of the
1431	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1432	  MIPS processor are based on a MIPS64 processor.  If you know the
1433	  specific type of processor in your system, choose those that one
1434	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1435	  Release 2 of the MIPS64 architecture is available since several
1436	  years so chances are you even have a MIPS64 Release 2 processor
1437	  in which case you should choose CPU_MIPS64_R2 instead for better
1438	  performance.
1439
1440config CPU_MIPS64_R2
1441	bool "MIPS64 Release 2"
1442	depends on SYS_HAS_CPU_MIPS64_R2
1443	select CPU_HAS_PREFETCH
1444	select CPU_SUPPORTS_32BIT_KERNEL
1445	select CPU_SUPPORTS_64BIT_KERNEL
1446	select CPU_SUPPORTS_HIGHMEM
1447	select CPU_SUPPORTS_HUGEPAGES
1448	select CPU_SUPPORTS_MSA
1449	help
1450	  Choose this option to build a kernel for release 2 or later of the
1451	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1452	  MIPS processor are based on a MIPS64 processor.  If you know the
1453	  specific type of processor in your system, choose those that one
1454	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1455
1456config CPU_MIPS64_R6
1457	bool "MIPS64 Release 6"
1458	depends on SYS_HAS_CPU_MIPS64_R6
1459	select CPU_HAS_PREFETCH
1460	select CPU_SUPPORTS_32BIT_KERNEL
1461	select CPU_SUPPORTS_64BIT_KERNEL
1462	select CPU_SUPPORTS_HIGHMEM
1463	select CPU_SUPPORTS_MSA
1464	select GENERIC_CSUM
1465	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1466	help
1467	  Choose this option to build a kernel for release 6 or later of the
1468	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1469	  family, are based on a MIPS64r6 processor. If you own an older
1470	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1471
1472config CPU_R3000
1473	bool "R3000"
1474	depends on SYS_HAS_CPU_R3000
1475	select CPU_HAS_WB
1476	select CPU_SUPPORTS_32BIT_KERNEL
1477	select CPU_SUPPORTS_HIGHMEM
1478	help
1479	  Please make sure to pick the right CPU type. Linux/MIPS is not
1480	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1481	  *not* work on R4000 machines and vice versa.  However, since most
1482	  of the supported machines have an R4000 (or similar) CPU, R4x00
1483	  might be a safe bet.  If the resulting kernel does not work,
1484	  try to recompile with R3000.
1485
1486config CPU_TX39XX
1487	bool "R39XX"
1488	depends on SYS_HAS_CPU_TX39XX
1489	select CPU_SUPPORTS_32BIT_KERNEL
1490
1491config CPU_VR41XX
1492	bool "R41xx"
1493	depends on SYS_HAS_CPU_VR41XX
1494	select CPU_SUPPORTS_32BIT_KERNEL
1495	select CPU_SUPPORTS_64BIT_KERNEL
1496	help
1497	  The options selects support for the NEC VR4100 series of processors.
1498	  Only choose this option if you have one of these processors as a
1499	  kernel built with this option will not run on any other type of
1500	  processor or vice versa.
1501
1502config CPU_R4300
1503	bool "R4300"
1504	depends on SYS_HAS_CPU_R4300
1505	select CPU_SUPPORTS_32BIT_KERNEL
1506	select CPU_SUPPORTS_64BIT_KERNEL
1507	help
1508	  MIPS Technologies R4300-series processors.
1509
1510config CPU_R4X00
1511	bool "R4x00"
1512	depends on SYS_HAS_CPU_R4X00
1513	select CPU_SUPPORTS_32BIT_KERNEL
1514	select CPU_SUPPORTS_64BIT_KERNEL
1515	select CPU_SUPPORTS_HUGEPAGES
1516	help
1517	  MIPS Technologies R4000-series processors other than 4300, including
1518	  the R4000, R4400, R4600, and 4700.
1519
1520config CPU_TX49XX
1521	bool "R49XX"
1522	depends on SYS_HAS_CPU_TX49XX
1523	select CPU_HAS_PREFETCH
1524	select CPU_SUPPORTS_32BIT_KERNEL
1525	select CPU_SUPPORTS_64BIT_KERNEL
1526	select CPU_SUPPORTS_HUGEPAGES
1527
1528config CPU_R5000
1529	bool "R5000"
1530	depends on SYS_HAS_CPU_R5000
1531	select CPU_SUPPORTS_32BIT_KERNEL
1532	select CPU_SUPPORTS_64BIT_KERNEL
1533	select CPU_SUPPORTS_HUGEPAGES
1534	help
1535	  MIPS Technologies R5000-series processors other than the Nevada.
1536
1537config CPU_R5432
1538	bool "R5432"
1539	depends on SYS_HAS_CPU_R5432
1540	select CPU_SUPPORTS_32BIT_KERNEL
1541	select CPU_SUPPORTS_64BIT_KERNEL
1542	select CPU_SUPPORTS_HUGEPAGES
1543
1544config CPU_R5500
1545	bool "R5500"
1546	depends on SYS_HAS_CPU_R5500
1547	select CPU_SUPPORTS_32BIT_KERNEL
1548	select CPU_SUPPORTS_64BIT_KERNEL
1549	select CPU_SUPPORTS_HUGEPAGES
1550	help
1551	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1552	  instruction set.
1553
1554config CPU_R6000
1555	bool "R6000"
1556	depends on SYS_HAS_CPU_R6000
1557	select CPU_SUPPORTS_32BIT_KERNEL
1558	help
1559	  MIPS Technologies R6000 and R6000A series processors.  Note these
1560	  processors are extremely rare and the support for them is incomplete.
1561
1562config CPU_NEVADA
1563	bool "RM52xx"
1564	depends on SYS_HAS_CPU_NEVADA
1565	select CPU_SUPPORTS_32BIT_KERNEL
1566	select CPU_SUPPORTS_64BIT_KERNEL
1567	select CPU_SUPPORTS_HUGEPAGES
1568	help
1569	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1570
1571config CPU_R8000
1572	bool "R8000"
1573	depends on SYS_HAS_CPU_R8000
1574	select CPU_HAS_PREFETCH
1575	select CPU_SUPPORTS_64BIT_KERNEL
1576	help
1577	  MIPS Technologies R8000 processors.  Note these processors are
1578	  uncommon and the support for them is incomplete.
1579
1580config CPU_R10000
1581	bool "R10000"
1582	depends on SYS_HAS_CPU_R10000
1583	select CPU_HAS_PREFETCH
1584	select CPU_SUPPORTS_32BIT_KERNEL
1585	select CPU_SUPPORTS_64BIT_KERNEL
1586	select CPU_SUPPORTS_HIGHMEM
1587	select CPU_SUPPORTS_HUGEPAGES
1588	help
1589	  MIPS Technologies R10000-series processors.
1590
1591config CPU_RM7000
1592	bool "RM7000"
1593	depends on SYS_HAS_CPU_RM7000
1594	select CPU_HAS_PREFETCH
1595	select CPU_SUPPORTS_32BIT_KERNEL
1596	select CPU_SUPPORTS_64BIT_KERNEL
1597	select CPU_SUPPORTS_HIGHMEM
1598	select CPU_SUPPORTS_HUGEPAGES
1599
1600config CPU_SB1
1601	bool "SB1"
1602	depends on SYS_HAS_CPU_SB1
1603	select CPU_SUPPORTS_32BIT_KERNEL
1604	select CPU_SUPPORTS_64BIT_KERNEL
1605	select CPU_SUPPORTS_HIGHMEM
1606	select CPU_SUPPORTS_HUGEPAGES
1607	select WEAK_ORDERING
1608
1609config CPU_CAVIUM_OCTEON
1610	bool "Cavium Octeon processor"
1611	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1612	select CPU_HAS_PREFETCH
1613	select CPU_SUPPORTS_64BIT_KERNEL
1614	select WEAK_ORDERING
1615	select CPU_SUPPORTS_HIGHMEM
1616	select CPU_SUPPORTS_HUGEPAGES
1617	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1618	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1619	select MIPS_L1_CACHE_SHIFT_7
1620	help
1621	  The Cavium Octeon processor is a highly integrated chip containing
1622	  many ethernet hardware widgets for networking tasks. The processor
1623	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1624	  Full details can be found at http://www.caviumnetworks.com.
1625
1626config CPU_BMIPS
1627	bool "Broadcom BMIPS"
1628	depends on SYS_HAS_CPU_BMIPS
1629	select CPU_MIPS32
1630	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1631	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1632	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1633	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1634	select CPU_SUPPORTS_32BIT_KERNEL
1635	select DMA_NONCOHERENT
1636	select IRQ_MIPS_CPU
1637	select SWAP_IO_SPACE
1638	select WEAK_ORDERING
1639	select CPU_SUPPORTS_HIGHMEM
1640	select CPU_HAS_PREFETCH
1641	help
1642	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1643
1644config CPU_XLR
1645	bool "Netlogic XLR SoC"
1646	depends on SYS_HAS_CPU_XLR
1647	select CPU_SUPPORTS_32BIT_KERNEL
1648	select CPU_SUPPORTS_64BIT_KERNEL
1649	select CPU_SUPPORTS_HIGHMEM
1650	select CPU_SUPPORTS_HUGEPAGES
1651	select WEAK_ORDERING
1652	select WEAK_REORDERING_BEYOND_LLSC
1653	help
1654	  Netlogic Microsystems XLR/XLS processors.
1655
1656config CPU_XLP
1657	bool "Netlogic XLP SoC"
1658	depends on SYS_HAS_CPU_XLP
1659	select CPU_SUPPORTS_32BIT_KERNEL
1660	select CPU_SUPPORTS_64BIT_KERNEL
1661	select CPU_SUPPORTS_HIGHMEM
1662	select WEAK_ORDERING
1663	select WEAK_REORDERING_BEYOND_LLSC
1664	select CPU_HAS_PREFETCH
1665	select CPU_MIPSR2
1666	select CPU_SUPPORTS_HUGEPAGES
1667	help
1668	  Netlogic Microsystems XLP processors.
1669endchoice
1670
1671config CPU_MIPS32_3_5_FEATURES
1672	bool "MIPS32 Release 3.5 Features"
1673	depends on SYS_HAS_CPU_MIPS32_R3_5
1674	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1675	help
1676	  Choose this option to build a kernel for release 2 or later of the
1677	  MIPS32 architecture including features from the 3.5 release such as
1678	  support for Enhanced Virtual Addressing (EVA).
1679
1680config CPU_MIPS32_3_5_EVA
1681	bool "Enhanced Virtual Addressing (EVA)"
1682	depends on CPU_MIPS32_3_5_FEATURES
1683	select EVA
1684	default y
1685	help
1686	  Choose this option if you want to enable the Enhanced Virtual
1687	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1688	  One of its primary benefits is an increase in the maximum size
1689	  of lowmem (up to 3GB). If unsure, say 'N' here.
1690
1691config CPU_MIPS32_R5_FEATURES
1692	bool "MIPS32 Release 5 Features"
1693	depends on SYS_HAS_CPU_MIPS32_R5
1694	depends on CPU_MIPS32_R2
1695	help
1696	  Choose this option to build a kernel for release 2 or later of the
1697	  MIPS32 architecture including features from release 5 such as
1698	  support for Extended Physical Addressing (XPA).
1699
1700config CPU_MIPS32_R5_XPA
1701	bool "Extended Physical Addressing (XPA)"
1702	depends on CPU_MIPS32_R5_FEATURES
1703	depends on !EVA
1704	depends on !PAGE_SIZE_4KB
1705	depends on SYS_SUPPORTS_HIGHMEM
1706	select XPA
1707	select HIGHMEM
1708	select ARCH_PHYS_ADDR_T_64BIT
1709	default n
1710	help
1711	  Choose this option if you want to enable the Extended Physical
1712	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1713	  benefit is to increase physical addressing equal to or greater
1714	  than 40 bits. Note that this has the side effect of turning on
1715	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1716	  If unsure, say 'N' here.
1717
1718if CPU_LOONGSON2F
1719config CPU_NOP_WORKAROUNDS
1720	bool
1721
1722config CPU_JUMP_WORKAROUNDS
1723	bool
1724
1725config CPU_LOONGSON2F_WORKAROUNDS
1726	bool "Loongson 2F Workarounds"
1727	default y
1728	select CPU_NOP_WORKAROUNDS
1729	select CPU_JUMP_WORKAROUNDS
1730	help
1731	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1732	  require workarounds.  Without workarounds the system may hang
1733	  unexpectedly.  For more information please refer to the gas
1734	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1735
1736	  Loongson 2F03 and later have fixed these issues and no workarounds
1737	  are needed.  The workarounds have no significant side effect on them
1738	  but may decrease the performance of the system so this option should
1739	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1740	  systems.
1741
1742	  If unsure, please say Y.
1743endif # CPU_LOONGSON2F
1744
1745config SYS_SUPPORTS_ZBOOT
1746	bool
1747	select HAVE_KERNEL_GZIP
1748	select HAVE_KERNEL_BZIP2
1749	select HAVE_KERNEL_LZ4
1750	select HAVE_KERNEL_LZMA
1751	select HAVE_KERNEL_LZO
1752	select HAVE_KERNEL_XZ
1753
1754config SYS_SUPPORTS_ZBOOT_UART16550
1755	bool
1756	select SYS_SUPPORTS_ZBOOT
1757
1758config CPU_LOONGSON2
1759	bool
1760	select CPU_SUPPORTS_32BIT_KERNEL
1761	select CPU_SUPPORTS_64BIT_KERNEL
1762	select CPU_SUPPORTS_HIGHMEM
1763	select CPU_SUPPORTS_HUGEPAGES
1764
1765config CPU_LOONGSON1
1766	bool
1767	select CPU_MIPS32
1768	select CPU_MIPSR2
1769	select CPU_HAS_PREFETCH
1770	select CPU_SUPPORTS_32BIT_KERNEL
1771	select CPU_SUPPORTS_HIGHMEM
1772	select CPU_SUPPORTS_CPUFREQ
1773
1774config CPU_BMIPS32_3300
1775	select SMP_UP if SMP
1776	bool
1777
1778config CPU_BMIPS4350
1779	bool
1780	select SYS_SUPPORTS_SMP
1781	select SYS_SUPPORTS_HOTPLUG_CPU
1782
1783config CPU_BMIPS4380
1784	bool
1785	select MIPS_L1_CACHE_SHIFT_6
1786	select SYS_SUPPORTS_SMP
1787	select SYS_SUPPORTS_HOTPLUG_CPU
1788
1789config CPU_BMIPS5000
1790	bool
1791	select MIPS_CPU_SCACHE
1792	select MIPS_L1_CACHE_SHIFT_7
1793	select SYS_SUPPORTS_SMP
1794	select SYS_SUPPORTS_HOTPLUG_CPU
1795
1796config SYS_HAS_CPU_LOONGSON3
1797	bool
1798	select CPU_SUPPORTS_CPUFREQ
1799
1800config SYS_HAS_CPU_LOONGSON2E
1801	bool
1802
1803config SYS_HAS_CPU_LOONGSON2F
1804	bool
1805	select CPU_SUPPORTS_CPUFREQ
1806	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1807	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1808
1809config SYS_HAS_CPU_LOONGSON1B
1810	bool
1811
1812config SYS_HAS_CPU_MIPS32_R1
1813	bool
1814
1815config SYS_HAS_CPU_MIPS32_R2
1816	bool
1817
1818config SYS_HAS_CPU_MIPS32_R3_5
1819	bool
1820
1821config SYS_HAS_CPU_MIPS32_R5
1822	bool
1823
1824config SYS_HAS_CPU_MIPS32_R6
1825	bool
1826
1827config SYS_HAS_CPU_MIPS64_R1
1828	bool
1829
1830config SYS_HAS_CPU_MIPS64_R2
1831	bool
1832
1833config SYS_HAS_CPU_MIPS64_R6
1834	bool
1835
1836config SYS_HAS_CPU_R3000
1837	bool
1838
1839config SYS_HAS_CPU_TX39XX
1840	bool
1841
1842config SYS_HAS_CPU_VR41XX
1843	bool
1844
1845config SYS_HAS_CPU_R4300
1846	bool
1847
1848config SYS_HAS_CPU_R4X00
1849	bool
1850
1851config SYS_HAS_CPU_TX49XX
1852	bool
1853
1854config SYS_HAS_CPU_R5000
1855	bool
1856
1857config SYS_HAS_CPU_R5432
1858	bool
1859
1860config SYS_HAS_CPU_R5500
1861	bool
1862
1863config SYS_HAS_CPU_R6000
1864	bool
1865
1866config SYS_HAS_CPU_NEVADA
1867	bool
1868
1869config SYS_HAS_CPU_R8000
1870	bool
1871
1872config SYS_HAS_CPU_R10000
1873	bool
1874
1875config SYS_HAS_CPU_RM7000
1876	bool
1877
1878config SYS_HAS_CPU_SB1
1879	bool
1880
1881config SYS_HAS_CPU_CAVIUM_OCTEON
1882	bool
1883
1884config SYS_HAS_CPU_BMIPS
1885	bool
1886
1887config SYS_HAS_CPU_BMIPS32_3300
1888	bool
1889	select SYS_HAS_CPU_BMIPS
1890
1891config SYS_HAS_CPU_BMIPS4350
1892	bool
1893	select SYS_HAS_CPU_BMIPS
1894
1895config SYS_HAS_CPU_BMIPS4380
1896	bool
1897	select SYS_HAS_CPU_BMIPS
1898
1899config SYS_HAS_CPU_BMIPS5000
1900	bool
1901	select SYS_HAS_CPU_BMIPS
1902
1903config SYS_HAS_CPU_XLR
1904	bool
1905
1906config SYS_HAS_CPU_XLP
1907	bool
1908
1909config MIPS_MALTA_PM
1910	depends on MIPS_MALTA
1911	depends on PCI
1912	bool
1913	default y
1914
1915#
1916# CPU may reorder R->R, R->W, W->R, W->W
1917# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1918#
1919config WEAK_ORDERING
1920	bool
1921
1922#
1923# CPU may reorder reads and writes beyond LL/SC
1924# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1925#
1926config WEAK_REORDERING_BEYOND_LLSC
1927	bool
1928endmenu
1929
1930#
1931# These two indicate any level of the MIPS32 and MIPS64 architecture
1932#
1933config CPU_MIPS32
1934	bool
1935	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1936
1937config CPU_MIPS64
1938	bool
1939	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1940
1941#
1942# These two indicate the revision of the architecture, either Release 1 or Release 2
1943#
1944config CPU_MIPSR1
1945	bool
1946	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1947
1948config CPU_MIPSR2
1949	bool
1950	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1951	select MIPS_SPRAM
1952
1953config CPU_MIPSR6
1954	bool
1955	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1956	select MIPS_SPRAM
1957
1958config EVA
1959	bool
1960
1961config XPA
1962	bool
1963
1964config SYS_SUPPORTS_32BIT_KERNEL
1965	bool
1966config SYS_SUPPORTS_64BIT_KERNEL
1967	bool
1968config CPU_SUPPORTS_32BIT_KERNEL
1969	bool
1970config CPU_SUPPORTS_64BIT_KERNEL
1971	bool
1972config CPU_SUPPORTS_CPUFREQ
1973	bool
1974config CPU_SUPPORTS_ADDRWINCFG
1975	bool
1976config CPU_SUPPORTS_HUGEPAGES
1977	bool
1978config CPU_SUPPORTS_UNCACHED_ACCELERATED
1979	bool
1980config MIPS_PGD_C0_CONTEXT
1981	bool
1982	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1983
1984#
1985# Set to y for ptrace access to watch registers.
1986#
1987config HARDWARE_WATCHPOINTS
1988       bool
1989       default y if CPU_MIPSR1 || CPU_MIPSR2
1990
1991menu "Kernel type"
1992
1993choice
1994	prompt "Kernel code model"
1995	help
1996	  You should only select this option if you have a workload that
1997	  actually benefits from 64-bit processing or if your machine has
1998	  large memory.  You will only be presented a single option in this
1999	  menu if your system does not support both 32-bit and 64-bit kernels.
2000
2001config 32BIT
2002	bool "32-bit kernel"
2003	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2004	select TRAD_SIGNALS
2005	help
2006	  Select this option if you want to build a 32-bit kernel.
2007
2008config 64BIT
2009	bool "64-bit kernel"
2010	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2011	help
2012	  Select this option if you want to build a 64-bit kernel.
2013
2014endchoice
2015
2016config KVM_GUEST
2017	bool "KVM Guest Kernel"
2018	depends on BROKEN_ON_SMP
2019	help
2020	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
2021
2022config KVM_GUEST_TIMER_FREQ
2023	int "Count/Compare Timer Frequency (MHz)"
2024	depends on KVM_GUEST
2025	default 100
2026	help
2027	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2028	  emulation when determining guest CPU Frequency. Instead, the guest's
2029	  timer frequency is specified directly.
2030
2031choice
2032	prompt "Kernel page size"
2033	default PAGE_SIZE_4KB
2034
2035config PAGE_SIZE_4KB
2036	bool "4kB"
2037	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2038	help
2039	 This option select the standard 4kB Linux page size.  On some
2040	 R3000-family processors this is the only available page size.  Using
2041	 4kB page size will minimize memory consumption and is therefore
2042	 recommended for low memory systems.
2043
2044config PAGE_SIZE_8KB
2045	bool "8kB"
2046	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2047	help
2048	  Using 8kB page size will result in higher performance kernel at
2049	  the price of higher memory consumption.  This option is available
2050	  only on R8000 and cnMIPS processors.  Note that you will need a
2051	  suitable Linux distribution to support this.
2052
2053config PAGE_SIZE_16KB
2054	bool "16kB"
2055	depends on !CPU_R3000 && !CPU_TX39XX
2056	help
2057	  Using 16kB page size will result in higher performance kernel at
2058	  the price of higher memory consumption.  This option is available on
2059	  all non-R3000 family processors.  Note that you will need a suitable
2060	  Linux distribution to support this.
2061
2062config PAGE_SIZE_32KB
2063	bool "32kB"
2064	depends on CPU_CAVIUM_OCTEON
2065	help
2066	  Using 32kB page size will result in higher performance kernel at
2067	  the price of higher memory consumption.  This option is available
2068	  only on cnMIPS cores.  Note that you will need a suitable Linux
2069	  distribution to support this.
2070
2071config PAGE_SIZE_64KB
2072	bool "64kB"
2073	depends on !CPU_R3000 && !CPU_TX39XX
2074	help
2075	  Using 64kB page size will result in higher performance kernel at
2076	  the price of higher memory consumption.  This option is available on
2077	  all non-R3000 family processor.  Not that at the time of this
2078	  writing this option is still high experimental.
2079
2080endchoice
2081
2082config FORCE_MAX_ZONEORDER
2083	int "Maximum zone order"
2084	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2085	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2086	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2087	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2088	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2089	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2090	range 11 64
2091	default "11"
2092	help
2093	  The kernel memory allocator divides physically contiguous memory
2094	  blocks into "zones", where each zone is a power of two number of
2095	  pages.  This option selects the largest power of two that the kernel
2096	  keeps in the memory allocator.  If you need to allocate very large
2097	  blocks of physically contiguous memory, then you may need to
2098	  increase this value.
2099
2100	  This config option is actually maximum order plus one. For example,
2101	  a value of 11 means that the largest free memory block is 2^10 pages.
2102
2103	  The page size is not necessarily 4KB.  Keep this in mind
2104	  when choosing a value for this option.
2105
2106config BOARD_SCACHE
2107	bool
2108
2109config IP22_CPU_SCACHE
2110	bool
2111	select BOARD_SCACHE
2112
2113#
2114# Support for a MIPS32 / MIPS64 style S-caches
2115#
2116config MIPS_CPU_SCACHE
2117	bool
2118	select BOARD_SCACHE
2119
2120config R5000_CPU_SCACHE
2121	bool
2122	select BOARD_SCACHE
2123
2124config RM7000_CPU_SCACHE
2125	bool
2126	select BOARD_SCACHE
2127
2128config SIBYTE_DMA_PAGEOPS
2129	bool "Use DMA to clear/copy pages"
2130	depends on CPU_SB1
2131	help
2132	  Instead of using the CPU to zero and copy pages, use a Data Mover
2133	  channel.  These DMA channels are otherwise unused by the standard
2134	  SiByte Linux port.  Seems to give a small performance benefit.
2135
2136config CPU_HAS_PREFETCH
2137	bool
2138
2139config CPU_GENERIC_DUMP_TLB
2140	bool
2141	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2142
2143config CPU_R4K_FPU
2144	bool
2145	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2146
2147config CPU_R4K_CACHE_TLB
2148	bool
2149	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2150
2151config MIPS_MT_SMP
2152	bool "MIPS MT SMP support (1 TC on each available VPE)"
2153	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2154	select CPU_MIPSR2_IRQ_VI
2155	select CPU_MIPSR2_IRQ_EI
2156	select SYNC_R4K
2157	select MIPS_GIC_IPI
2158	select MIPS_MT
2159	select SMP
2160	select SMP_UP
2161	select SYS_SUPPORTS_SMP
2162	select SYS_SUPPORTS_SCHED_SMT
2163	select MIPS_PERF_SHARED_TC_COUNTERS
2164	help
2165	  This is a kernel model which is known as SMVP. This is supported
2166	  on cores with the MT ASE and uses the available VPEs to implement
2167	  virtual processors which supports SMP. This is equivalent to the
2168	  Intel Hyperthreading feature. For further information go to
2169	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2170
2171config MIPS_MT
2172	bool
2173
2174config SCHED_SMT
2175	bool "SMT (multithreading) scheduler support"
2176	depends on SYS_SUPPORTS_SCHED_SMT
2177	default n
2178	help
2179	  SMT scheduler support improves the CPU scheduler's decision making
2180	  when dealing with MIPS MT enabled cores at a cost of slightly
2181	  increased overhead in some places. If unsure say N here.
2182
2183config SYS_SUPPORTS_SCHED_SMT
2184	bool
2185
2186config SYS_SUPPORTS_MULTITHREADING
2187	bool
2188
2189config MIPS_MT_FPAFF
2190	bool "Dynamic FPU affinity for FP-intensive threads"
2191	default y
2192	depends on MIPS_MT_SMP
2193
2194config MIPSR2_TO_R6_EMULATOR
2195	bool "MIPS R2-to-R6 emulator"
2196	depends on CPU_MIPSR6 && !SMP
2197	default y
2198	help
2199	  Choose this option if you want to run non-R6 MIPS userland code.
2200	  Even if you say 'Y' here, the emulator will still be disabled by
2201	  default. You can enable it using the 'mipsr2emu' kernel option.
2202	  The only reason this is a build-time option is to save ~14K from the
2203	  final kernel image.
2204comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2205	depends on SMP && CPU_MIPSR6
2206
2207config MIPS_VPE_LOADER
2208	bool "VPE loader support."
2209	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2210	select CPU_MIPSR2_IRQ_VI
2211	select CPU_MIPSR2_IRQ_EI
2212	select MIPS_MT
2213	help
2214	  Includes a loader for loading an elf relocatable object
2215	  onto another VPE and running it.
2216
2217config MIPS_VPE_LOADER_CMP
2218	bool
2219	default "y"
2220	depends on MIPS_VPE_LOADER && MIPS_CMP
2221
2222config MIPS_VPE_LOADER_MT
2223	bool
2224	default "y"
2225	depends on MIPS_VPE_LOADER && !MIPS_CMP
2226
2227config MIPS_VPE_LOADER_TOM
2228	bool "Load VPE program into memory hidden from linux"
2229	depends on MIPS_VPE_LOADER
2230	default y
2231	help
2232	  The loader can use memory that is present but has been hidden from
2233	  Linux using the kernel command line option "mem=xxMB". It's up to
2234	  you to ensure the amount you put in the option and the space your
2235	  program requires is less or equal to the amount physically present.
2236
2237config MIPS_VPE_APSP_API
2238	bool "Enable support for AP/SP API (RTLX)"
2239	depends on MIPS_VPE_LOADER
2240	help
2241
2242config MIPS_VPE_APSP_API_CMP
2243	bool
2244	default "y"
2245	depends on MIPS_VPE_APSP_API && MIPS_CMP
2246
2247config MIPS_VPE_APSP_API_MT
2248	bool
2249	default "y"
2250	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2251
2252config MIPS_CMP
2253	bool "MIPS CMP framework support (DEPRECATED)"
2254	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2255	select MIPS_GIC_IPI
2256	select SMP
2257	select SYNC_R4K
2258	select SYS_SUPPORTS_SMP
2259	select WEAK_ORDERING
2260	default n
2261	help
2262	  Select this if you are using a bootloader which implements the "CMP
2263	  framework" protocol (ie. YAMON) and want your kernel to make use of
2264	  its ability to start secondary CPUs.
2265
2266	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2267	  instead of this.
2268
2269config MIPS_CPS
2270	bool "MIPS Coherent Processing System support"
2271	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2272	select MIPS_CM
2273	select MIPS_CPC
2274	select MIPS_CPS_PM if HOTPLUG_CPU
2275	select MIPS_GIC_IPI
2276	select SMP
2277	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2278	select SYS_SUPPORTS_HOTPLUG_CPU
2279	select SYS_SUPPORTS_SMP
2280	select WEAK_ORDERING
2281	help
2282	  Select this if you wish to run an SMP kernel across multiple cores
2283	  within a MIPS Coherent Processing System. When this option is
2284	  enabled the kernel will probe for other cores and boot them with
2285	  no external assistance. It is safe to enable this when hardware
2286	  support is unavailable.
2287
2288config MIPS_CPS_PM
2289	depends on MIPS_CPS
2290	select MIPS_CPC
2291	bool
2292
2293config MIPS_GIC_IPI
2294	bool
2295
2296config MIPS_CM
2297	bool
2298
2299config MIPS_CPC
2300	bool
2301
2302config SB1_PASS_2_WORKAROUNDS
2303	bool
2304	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2305	default y
2306
2307config SB1_PASS_2_1_WORKAROUNDS
2308	bool
2309	depends on CPU_SB1 && CPU_SB1_PASS_2
2310	default y
2311
2312
2313config ARCH_PHYS_ADDR_T_64BIT
2314       bool
2315
2316choice
2317	prompt "SmartMIPS or microMIPS ASE support"
2318
2319config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2320	bool "None"
2321	help
2322	  Select this if you want neither microMIPS nor SmartMIPS support
2323
2324config CPU_HAS_SMARTMIPS
2325	depends on SYS_SUPPORTS_SMARTMIPS
2326	bool "SmartMIPS"
2327	help
2328	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2329	  increased security at both hardware and software level for
2330	  smartcards.  Enabling this option will allow proper use of the
2331	  SmartMIPS instructions by Linux applications.  However a kernel with
2332	  this option will not work on a MIPS core without SmartMIPS core.  If
2333	  you don't know you probably don't have SmartMIPS and should say N
2334	  here.
2335
2336config CPU_MICROMIPS
2337	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2338	bool "microMIPS"
2339	help
2340	  When this option is enabled the kernel will be built using the
2341	  microMIPS ISA
2342
2343endchoice
2344
2345config CPU_HAS_MSA
2346	bool "Support for the MIPS SIMD Architecture"
2347	depends on CPU_SUPPORTS_MSA
2348	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2349	help
2350	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2351	  and a set of SIMD instructions to operate on them. When this option
2352	  is enabled the kernel will support allocating & switching MSA
2353	  vector register contexts. If you know that your kernel will only be
2354	  running on CPUs which do not support MSA or that your userland will
2355	  not be making use of it then you may wish to say N here to reduce
2356	  the size & complexity of your kernel.
2357
2358	  If unsure, say Y.
2359
2360config CPU_HAS_WB
2361	bool
2362
2363config XKS01
2364	bool
2365
2366#
2367# Vectored interrupt mode is an R2 feature
2368#
2369config CPU_MIPSR2_IRQ_VI
2370	bool
2371
2372#
2373# Extended interrupt mode is an R2 feature
2374#
2375config CPU_MIPSR2_IRQ_EI
2376	bool
2377
2378config CPU_HAS_SYNC
2379	bool
2380	depends on !CPU_R3000
2381	default y
2382
2383#
2384# CPU non-features
2385#
2386config CPU_DADDI_WORKAROUNDS
2387	bool
2388
2389config CPU_R4000_WORKAROUNDS
2390	bool
2391	select CPU_R4400_WORKAROUNDS
2392
2393config CPU_R4400_WORKAROUNDS
2394	bool
2395
2396#
2397# - Highmem only makes sense for the 32-bit kernel.
2398# - The current highmem code will only work properly on physically indexed
2399#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2400#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2401#   moment we protect the user and offer the highmem option only on machines
2402#   where it's known to be safe.  This will not offer highmem on a few systems
2403#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2404#   indexed CPUs but we're playing safe.
2405# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2406#   know they might have memory configurations that could make use of highmem
2407#   support.
2408#
2409config HIGHMEM
2410	bool "High Memory Support"
2411	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2412
2413config CPU_SUPPORTS_HIGHMEM
2414	bool
2415
2416config SYS_SUPPORTS_HIGHMEM
2417	bool
2418
2419config SYS_SUPPORTS_SMARTMIPS
2420	bool
2421
2422config SYS_SUPPORTS_MICROMIPS
2423	bool
2424
2425config SYS_SUPPORTS_MIPS16
2426	bool
2427	help
2428	  This option must be set if a kernel might be executed on a MIPS16-
2429	  enabled CPU even if MIPS16 is not actually being used.  In other
2430	  words, it makes the kernel MIPS16-tolerant.
2431
2432config CPU_SUPPORTS_MSA
2433	bool
2434
2435config ARCH_FLATMEM_ENABLE
2436	def_bool y
2437	depends on !NUMA && !CPU_LOONGSON2
2438
2439config ARCH_DISCONTIGMEM_ENABLE
2440	bool
2441	default y if SGI_IP27
2442	help
2443	  Say Y to support efficient handling of discontiguous physical memory,
2444	  for architectures which are either NUMA (Non-Uniform Memory Access)
2445	  or have huge holes in the physical address space for other reasons.
2446	  See <file:Documentation/vm/numa> for more.
2447
2448config ARCH_SPARSEMEM_ENABLE
2449	bool
2450	select SPARSEMEM_STATIC
2451
2452config NUMA
2453	bool "NUMA Support"
2454	depends on SYS_SUPPORTS_NUMA
2455	help
2456	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2457	  Access).  This option improves performance on systems with more
2458	  than two nodes; on two node systems it is generally better to
2459	  leave it disabled; on single node systems disable this option
2460	  disabled.
2461
2462config SYS_SUPPORTS_NUMA
2463	bool
2464
2465config NODES_SHIFT
2466	int
2467	default "6"
2468	depends on NEED_MULTIPLE_NODES
2469
2470config HW_PERF_EVENTS
2471	bool "Enable hardware performance counter support for perf events"
2472	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2473	default y
2474	help
2475	  Enable hardware performance counter support for perf events. If
2476	  disabled, perf events will use software events only.
2477
2478source "mm/Kconfig"
2479
2480config SMP
2481	bool "Multi-Processing support"
2482	depends on SYS_SUPPORTS_SMP
2483	help
2484	  This enables support for systems with more than one CPU. If you have
2485	  a system with only one CPU, say N. If you have a system with more
2486	  than one CPU, say Y.
2487
2488	  If you say N here, the kernel will run on uni- and multiprocessor
2489	  machines, but will use only one CPU of a multiprocessor machine. If
2490	  you say Y here, the kernel will run on many, but not all,
2491	  uniprocessor machines. On a uniprocessor machine, the kernel
2492	  will run faster if you say N here.
2493
2494	  People using multiprocessor machines who say Y here should also say
2495	  Y to "Enhanced Real Time Clock Support", below.
2496
2497	  See also the SMP-HOWTO available at
2498	  <http://www.tldp.org/docs.html#howto>.
2499
2500	  If you don't know what to do here, say N.
2501
2502config SMP_UP
2503	bool
2504
2505config SYS_SUPPORTS_MIPS_CMP
2506	bool
2507
2508config SYS_SUPPORTS_MIPS_CPS
2509	bool
2510
2511config SYS_SUPPORTS_SMP
2512	bool
2513
2514config NR_CPUS_DEFAULT_4
2515	bool
2516
2517config NR_CPUS_DEFAULT_8
2518	bool
2519
2520config NR_CPUS_DEFAULT_16
2521	bool
2522
2523config NR_CPUS_DEFAULT_32
2524	bool
2525
2526config NR_CPUS_DEFAULT_64
2527	bool
2528
2529config NR_CPUS
2530	int "Maximum number of CPUs (2-256)"
2531	range 2 256
2532	depends on SMP
2533	default "4" if NR_CPUS_DEFAULT_4
2534	default "8" if NR_CPUS_DEFAULT_8
2535	default "16" if NR_CPUS_DEFAULT_16
2536	default "32" if NR_CPUS_DEFAULT_32
2537	default "64" if NR_CPUS_DEFAULT_64
2538	help
2539	  This allows you to specify the maximum number of CPUs which this
2540	  kernel will support.  The maximum supported value is 32 for 32-bit
2541	  kernel and 64 for 64-bit kernels; the minimum value which makes
2542	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2543	  and 2 for all others.
2544
2545	  This is purely to save memory - each supported CPU adds
2546	  approximately eight kilobytes to the kernel image.  For best
2547	  performance should round up your number of processors to the next
2548	  power of two.
2549
2550config MIPS_PERF_SHARED_TC_COUNTERS
2551	bool
2552
2553#
2554# Timer Interrupt Frequency Configuration
2555#
2556
2557choice
2558	prompt "Timer frequency"
2559	default HZ_250
2560	help
2561	 Allows the configuration of the timer frequency.
2562
2563	config HZ_24
2564		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2565
2566	config HZ_48
2567		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2568
2569	config HZ_100
2570		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2571
2572	config HZ_128
2573		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2574
2575	config HZ_250
2576		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2577
2578	config HZ_256
2579		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2580
2581	config HZ_1000
2582		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2583
2584	config HZ_1024
2585		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2586
2587endchoice
2588
2589config SYS_SUPPORTS_24HZ
2590	bool
2591
2592config SYS_SUPPORTS_48HZ
2593	bool
2594
2595config SYS_SUPPORTS_100HZ
2596	bool
2597
2598config SYS_SUPPORTS_128HZ
2599	bool
2600
2601config SYS_SUPPORTS_250HZ
2602	bool
2603
2604config SYS_SUPPORTS_256HZ
2605	bool
2606
2607config SYS_SUPPORTS_1000HZ
2608	bool
2609
2610config SYS_SUPPORTS_1024HZ
2611	bool
2612
2613config SYS_SUPPORTS_ARBIT_HZ
2614	bool
2615	default y if !SYS_SUPPORTS_24HZ && \
2616		     !SYS_SUPPORTS_48HZ && \
2617		     !SYS_SUPPORTS_100HZ && \
2618		     !SYS_SUPPORTS_128HZ && \
2619		     !SYS_SUPPORTS_250HZ && \
2620		     !SYS_SUPPORTS_256HZ && \
2621		     !SYS_SUPPORTS_1000HZ && \
2622		     !SYS_SUPPORTS_1024HZ
2623
2624config HZ
2625	int
2626	default 24 if HZ_24
2627	default 48 if HZ_48
2628	default 100 if HZ_100
2629	default 128 if HZ_128
2630	default 250 if HZ_250
2631	default 256 if HZ_256
2632	default 1000 if HZ_1000
2633	default 1024 if HZ_1024
2634
2635config SCHED_HRTICK
2636	def_bool HIGH_RES_TIMERS
2637
2638source "kernel/Kconfig.preempt"
2639
2640config KEXEC
2641	bool "Kexec system call"
2642	select KEXEC_CORE
2643	help
2644	  kexec is a system call that implements the ability to shutdown your
2645	  current kernel, and to start another kernel.  It is like a reboot
2646	  but it is independent of the system firmware.   And like a reboot
2647	  you can start any kernel with it, not just Linux.
2648
2649	  The name comes from the similarity to the exec system call.
2650
2651	  It is an ongoing process to be certain the hardware in a machine
2652	  is properly shutdown, so do not be surprised if this code does not
2653	  initially work for you.  As of this writing the exact hardware
2654	  interface is strongly in flux, so no good recommendation can be
2655	  made.
2656
2657config CRASH_DUMP
2658	  bool "Kernel crash dumps"
2659	  help
2660	  Generate crash dump after being started by kexec.
2661	  This should be normally only set in special crash dump kernels
2662	  which are loaded in the main kernel with kexec-tools into
2663	  a specially reserved region and then later executed after
2664	  a crash by kdump/kexec. The crash dump kernel must be compiled
2665	  to a memory address not used by the main kernel or firmware using
2666	  PHYSICAL_START.
2667
2668config PHYSICAL_START
2669	  hex "Physical address where the kernel is loaded"
2670	  default "0xffffffff84000000" if 64BIT
2671	  default "0x84000000" if 32BIT
2672	  depends on CRASH_DUMP
2673	  help
2674	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2675	  If you plan to use kernel for capturing the crash dump change
2676	  this value to start of the reserved region (the "X" value as
2677	  specified in the "crashkernel=YM@XM" command line boot parameter
2678	  passed to the panic-ed kernel).
2679
2680config SECCOMP
2681	bool "Enable seccomp to safely compute untrusted bytecode"
2682	depends on PROC_FS
2683	default y
2684	help
2685	  This kernel feature is useful for number crunching applications
2686	  that may need to compute untrusted bytecode during their
2687	  execution. By using pipes or other transports made available to
2688	  the process as file descriptors supporting the read/write
2689	  syscalls, it's possible to isolate those applications in
2690	  their own address space using seccomp. Once seccomp is
2691	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2692	  and the task is only allowed to execute a few safe syscalls
2693	  defined by each seccomp mode.
2694
2695	  If unsure, say Y. Only embedded should say N here.
2696
2697config MIPS_O32_FP64_SUPPORT
2698	bool "Support for O32 binaries using 64-bit FP"
2699	depends on 32BIT || MIPS32_O32
2700	help
2701	  When this is enabled, the kernel will support use of 64-bit floating
2702	  point registers with binaries using the O32 ABI along with the
2703	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2704	  32-bit MIPS systems this support is at the cost of increasing the
2705	  size and complexity of the compiled FPU emulator. Thus if you are
2706	  running a MIPS32 system and know that none of your userland binaries
2707	  will require 64-bit floating point, you may wish to reduce the size
2708	  of your kernel & potentially improve FP emulation performance by
2709	  saying N here.
2710
2711	  Although binutils currently supports use of this flag the details
2712	  concerning its effect upon the O32 ABI in userland are still being
2713	  worked on. In order to avoid userland becoming dependant upon current
2714	  behaviour before the details have been finalised, this option should
2715	  be considered experimental and only enabled by those working upon
2716	  said details.
2717
2718	  If unsure, say N.
2719
2720config USE_OF
2721	bool
2722	select OF
2723	select OF_EARLY_FLATTREE
2724	select IRQ_DOMAIN
2725
2726config BUILTIN_DTB
2727	bool
2728
2729choice
2730	prompt "Kernel appended dtb support" if USE_OF
2731	default MIPS_NO_APPENDED_DTB
2732
2733	config MIPS_NO_APPENDED_DTB
2734		bool "None"
2735		help
2736		  Do not enable appended dtb support.
2737
2738	config MIPS_ELF_APPENDED_DTB
2739		bool "vmlinux"
2740		help
2741		  With this option, the boot code will look for a device tree binary
2742		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2743		  it is empty and the DTB can be appended using binutils command
2744		  objcopy:
2745
2746		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2747
2748		  This is meant as a backward compatiblity convenience for those
2749		  systems with a bootloader that can't be upgraded to accommodate
2750		  the documented boot protocol using a device tree.
2751
2752	config MIPS_RAW_APPENDED_DTB
2753		bool "vmlinux.bin"
2754		help
2755		  With this option, the boot code will look for a device tree binary
2756		  DTB) appended to raw vmlinux.bin (without decompressor).
2757		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2758
2759		  This is meant as a backward compatibility convenience for those
2760		  systems with a bootloader that can't be upgraded to accommodate
2761		  the documented boot protocol using a device tree.
2762
2763		  Beware that there is very little in terms of protection against
2764		  this option being confused by leftover garbage in memory that might
2765		  look like a DTB header after a reboot if no actual DTB is appended
2766		  to vmlinux.bin.  Do not leave this option active in a production kernel
2767		  if you don't intend to always append a DTB.
2768
2769	config MIPS_ZBOOT_APPENDED_DTB
2770		bool "vmlinuz.bin"
2771		depends on SYS_SUPPORTS_ZBOOT
2772		help
2773		  With this option, the boot code will look for a device tree binary
2774		  DTB) appended to raw vmlinuz.bin (with decompressor).
2775		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2776
2777		  This is meant as a backward compatibility convenience for those
2778		  systems with a bootloader that can't be upgraded to accommodate
2779		  the documented boot protocol using a device tree.
2780
2781		  Beware that there is very little in terms of protection against
2782		  this option being confused by leftover garbage in memory that might
2783		  look like a DTB header after a reboot if no actual DTB is appended
2784		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2785		  if you don't intend to always append a DTB.
2786endchoice
2787
2788choice
2789	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2790	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2791					 !MIPS_MALTA && !MIPS_SEAD3 && \
2792					 !CAVIUM_OCTEON_SOC
2793	default MIPS_CMDLINE_FROM_BOOTLOADER
2794
2795	config MIPS_CMDLINE_FROM_DTB
2796		depends on USE_OF
2797		bool "Dtb kernel arguments if available"
2798
2799	config MIPS_CMDLINE_DTB_EXTEND
2800		depends on USE_OF
2801		bool "Extend dtb kernel arguments with bootloader arguments"
2802
2803	config MIPS_CMDLINE_FROM_BOOTLOADER
2804		bool "Bootloader kernel arguments if available"
2805endchoice
2806
2807endmenu
2808
2809config LOCKDEP_SUPPORT
2810	bool
2811	default y
2812
2813config STACKTRACE_SUPPORT
2814	bool
2815	default y
2816
2817config HAVE_LATENCYTOP_SUPPORT
2818	bool
2819	default y
2820
2821config PGTABLE_LEVELS
2822	int
2823	default 3 if 64BIT && !PAGE_SIZE_64KB
2824	default 2
2825
2826source "init/Kconfig"
2827
2828source "kernel/Kconfig.freezer"
2829
2830menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2831
2832config HW_HAS_EISA
2833	bool
2834config HW_HAS_PCI
2835	bool
2836
2837config PCI
2838	bool "Support for PCI controller"
2839	depends on HW_HAS_PCI
2840	select PCI_DOMAINS
2841	select NO_GENERIC_PCI_IOPORT_MAP
2842	help
2843	  Find out whether you have a PCI motherboard. PCI is the name of a
2844	  bus system, i.e. the way the CPU talks to the other stuff inside
2845	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2846	  say Y, otherwise N.
2847
2848config HT_PCI
2849	bool "Support for HT-linked PCI"
2850	default y
2851	depends on CPU_LOONGSON3
2852	select PCI
2853	select PCI_DOMAINS
2854	help
2855	  Loongson family machines use Hyper-Transport bus for inter-core
2856	  connection and device connection. The PCI bus is a subordinate
2857	  linked at HT. Choose Y for Loongson-3 based machines.
2858
2859config PCI_DOMAINS
2860	bool
2861
2862source "drivers/pci/Kconfig"
2863
2864source "drivers/pci/pcie/Kconfig"
2865
2866#
2867# ISA support is now enabled via select.  Too many systems still have the one
2868# or other ISA chip on the board that users don't know about so don't expect
2869# users to choose the right thing ...
2870#
2871config ISA
2872	bool
2873
2874config EISA
2875	bool "EISA support"
2876	depends on HW_HAS_EISA
2877	select ISA
2878	select GENERIC_ISA_DMA
2879	---help---
2880	  The Extended Industry Standard Architecture (EISA) bus was
2881	  developed as an open alternative to the IBM MicroChannel bus.
2882
2883	  The EISA bus provided some of the features of the IBM MicroChannel
2884	  bus while maintaining backward compatibility with cards made for
2885	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2886	  1995 when it was made obsolete by the PCI bus.
2887
2888	  Say Y here if you are building a kernel for an EISA-based machine.
2889
2890	  Otherwise, say N.
2891
2892source "drivers/eisa/Kconfig"
2893
2894config TC
2895	bool "TURBOchannel support"
2896	depends on MACH_DECSTATION
2897	help
2898	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2899	  processors.  TURBOchannel programming specifications are available
2900	  at:
2901	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2902	  and:
2903	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2904	  Linux driver support status is documented at:
2905	  <http://www.linux-mips.org/wiki/DECstation>
2906
2907config MMU
2908	bool
2909	default y
2910
2911config I8253
2912	bool
2913	select CLKSRC_I8253
2914	select CLKEVT_I8253
2915	select MIPS_EXTERNAL_TIMER
2916
2917config ZONE_DMA
2918	bool
2919
2920config ZONE_DMA32
2921	bool
2922
2923source "drivers/pcmcia/Kconfig"
2924
2925source "drivers/pci/hotplug/Kconfig"
2926
2927config RAPIDIO
2928	tristate "RapidIO support"
2929	depends on PCI
2930	default n
2931	help
2932	  If you say Y here, the kernel will include drivers and
2933	  infrastructure code to support RapidIO interconnect devices.
2934
2935source "drivers/rapidio/Kconfig"
2936
2937endmenu
2938
2939menu "Executable file formats"
2940
2941source "fs/Kconfig.binfmt"
2942
2943config TRAD_SIGNALS
2944	bool
2945
2946config MIPS32_COMPAT
2947	bool
2948
2949config COMPAT
2950	bool
2951
2952config SYSVIPC_COMPAT
2953	bool
2954
2955config MIPS32_O32
2956	bool "Kernel support for o32 binaries"
2957	depends on 64BIT
2958	select ARCH_WANT_OLD_COMPAT_IPC
2959	select COMPAT
2960	select MIPS32_COMPAT
2961	select SYSVIPC_COMPAT if SYSVIPC
2962	help
2963	  Select this option if you want to run o32 binaries.  These are pure
2964	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2965	  existing binaries are in this format.
2966
2967	  If unsure, say Y.
2968
2969config MIPS32_N32
2970	bool "Kernel support for n32 binaries"
2971	depends on 64BIT
2972	select COMPAT
2973	select MIPS32_COMPAT
2974	select SYSVIPC_COMPAT if SYSVIPC
2975	help
2976	  Select this option if you want to run n32 binaries.  These are
2977	  64-bit binaries using 32-bit quantities for addressing and certain
2978	  data that would normally be 64-bit.  They are used in special
2979	  cases.
2980
2981	  If unsure, say N.
2982
2983config BINFMT_ELF32
2984	bool
2985	default y if MIPS32_O32 || MIPS32_N32
2986
2987endmenu
2988
2989menu "Power management options"
2990
2991config ARCH_HIBERNATION_POSSIBLE
2992	def_bool y
2993	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2994
2995config ARCH_SUSPEND_POSSIBLE
2996	def_bool y
2997	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2998
2999source "kernel/power/Kconfig"
3000
3001endmenu
3002
3003config MIPS_EXTERNAL_TIMER
3004	bool
3005
3006menu "CPU Power Management"
3007
3008if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3009source "drivers/cpufreq/Kconfig"
3010endif
3011
3012source "drivers/cpuidle/Kconfig"
3013
3014endmenu
3015
3016source "net/Kconfig"
3017
3018source "drivers/Kconfig"
3019
3020source "drivers/firmware/Kconfig"
3021
3022source "fs/Kconfig"
3023
3024source "arch/mips/Kconfig.debug"
3025
3026source "security/Kconfig"
3027
3028source "crypto/Kconfig"
3029
3030source "lib/Kconfig"
3031
3032source "arch/mips/kvm/Kconfig"
3033