xref: /linux/arch/mips/Kconfig (revision 3623d138213aedf0e2c89720f6a3cd0e164cb310)
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	select ARCH_WANT_OPTIONAL_GPIOLIB
173	help
174	  Build a generic DT-based kernel image that boots on select
175	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
176	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
177	  must be set appropriately for your board.
178
179config BCM47XX
180	bool "Broadcom BCM47XX based boards"
181	select ARCH_WANT_OPTIONAL_GPIOLIB
182	select BOOT_RAW
183	select CEVT_R4K
184	select CSRC_R4K
185	select DMA_NONCOHERENT
186	select HW_HAS_PCI
187	select IRQ_MIPS_CPU
188	select SYS_HAS_CPU_MIPS32_R1
189	select NO_EXCEPT_FILL
190	select SYS_SUPPORTS_32BIT_KERNEL
191	select SYS_SUPPORTS_LITTLE_ENDIAN
192	select SYS_SUPPORTS_MIPS16
193	select SYS_HAS_EARLY_PRINTK
194	select USE_GENERIC_EARLY_PRINTK_8250
195	select GPIOLIB
196	select LEDS_GPIO_REGISTER
197	select BCM47XX_NVRAM
198	help
199	 Support for BCM47XX based boards
200
201config BCM63XX
202	bool "Broadcom BCM63XX based boards"
203	select BOOT_RAW
204	select CEVT_R4K
205	select CSRC_R4K
206	select SYNC_R4K
207	select DMA_NONCOHERENT
208	select IRQ_MIPS_CPU
209	select SYS_SUPPORTS_32BIT_KERNEL
210	select SYS_SUPPORTS_BIG_ENDIAN
211	select SYS_HAS_EARLY_PRINTK
212	select SWAP_IO_SPACE
213	select ARCH_REQUIRE_GPIOLIB
214	select HAVE_CLK
215	select MIPS_L1_CACHE_SHIFT_4
216	help
217	 Support for BCM63XX based boards
218
219config MIPS_COBALT
220	bool "Cobalt Server"
221	select CEVT_R4K
222	select CSRC_R4K
223	select CEVT_GT641XX
224	select DMA_NONCOHERENT
225	select HW_HAS_PCI
226	select I8253
227	select I8259
228	select IRQ_MIPS_CPU
229	select IRQ_GT641XX
230	select PCI_GT64XXX_PCI0
231	select PCI
232	select SYS_HAS_CPU_NEVADA
233	select SYS_HAS_EARLY_PRINTK
234	select SYS_SUPPORTS_32BIT_KERNEL
235	select SYS_SUPPORTS_64BIT_KERNEL
236	select SYS_SUPPORTS_LITTLE_ENDIAN
237	select USE_GENERIC_EARLY_PRINTK_8250
238
239config MACH_DECSTATION
240	bool "DECstations"
241	select BOOT_ELF32
242	select CEVT_DS1287
243	select CEVT_R4K if CPU_R4X00
244	select CSRC_IOASIC
245	select CSRC_R4K if CPU_R4X00
246	select CPU_DADDI_WORKAROUNDS if 64BIT
247	select CPU_R4000_WORKAROUNDS if 64BIT
248	select CPU_R4400_WORKAROUNDS if 64BIT
249	select DMA_NONCOHERENT
250	select NO_IOPORT_MAP
251	select IRQ_MIPS_CPU
252	select SYS_HAS_CPU_R3000
253	select SYS_HAS_CPU_R4X00
254	select SYS_SUPPORTS_32BIT_KERNEL
255	select SYS_SUPPORTS_64BIT_KERNEL
256	select SYS_SUPPORTS_LITTLE_ENDIAN
257	select SYS_SUPPORTS_128HZ
258	select SYS_SUPPORTS_256HZ
259	select SYS_SUPPORTS_1024HZ
260	select MIPS_L1_CACHE_SHIFT_4
261	help
262	  This enables support for DEC's MIPS based workstations.  For details
263	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
264	  DECstation porting pages on <http://decstation.unix-ag.org/>.
265
266	  If you have one of the following DECstation Models you definitely
267	  want to choose R4xx0 for the CPU Type:
268
269		DECstation 5000/50
270		DECstation 5000/150
271		DECstation 5000/260
272		DECsystem 5900/260
273
274	  otherwise choose R3000.
275
276config MACH_JAZZ
277	bool "Jazz family of machines"
278	select FW_ARC
279	select FW_ARC32
280	select ARCH_MAY_HAVE_PC_FDC
281	select CEVT_R4K
282	select CSRC_R4K
283	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
284	select GENERIC_ISA_DMA
285	select HAVE_PCSPKR_PLATFORM
286	select IRQ_MIPS_CPU
287	select I8253
288	select I8259
289	select ISA
290	select SYS_HAS_CPU_R4X00
291	select SYS_SUPPORTS_32BIT_KERNEL
292	select SYS_SUPPORTS_64BIT_KERNEL
293	select SYS_SUPPORTS_100HZ
294	help
295	 This a family of machines based on the MIPS R4030 chipset which was
296	 used by several vendors to build RISC/os and Windows NT workstations.
297	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
298	 Olivetti M700-10 workstations.
299
300config MACH_INGENIC
301	bool "Ingenic SoC based machines"
302	select SYS_SUPPORTS_32BIT_KERNEL
303	select SYS_SUPPORTS_LITTLE_ENDIAN
304	select SYS_SUPPORTS_ZBOOT_UART16550
305	select DMA_NONCOHERENT
306	select IRQ_MIPS_CPU
307	select ARCH_REQUIRE_GPIOLIB
308	select COMMON_CLK
309	select GENERIC_IRQ_CHIP
310	select BUILTIN_DTB
311	select USE_OF
312	select LIBFDT
313
314config LANTIQ
315	bool "Lantiq based platforms"
316	select DMA_NONCOHERENT
317	select IRQ_MIPS_CPU
318	select CEVT_R4K
319	select CSRC_R4K
320	select SYS_HAS_CPU_MIPS32_R1
321	select SYS_HAS_CPU_MIPS32_R2
322	select SYS_SUPPORTS_BIG_ENDIAN
323	select SYS_SUPPORTS_32BIT_KERNEL
324	select SYS_SUPPORTS_MIPS16
325	select SYS_SUPPORTS_MULTITHREADING
326	select SYS_HAS_EARLY_PRINTK
327	select ARCH_REQUIRE_GPIOLIB
328	select SWAP_IO_SPACE
329	select BOOT_RAW
330	select HAVE_MACH_CLKDEV
331	select CLKDEV_LOOKUP
332	select USE_OF
333	select PINCTRL
334	select PINCTRL_LANTIQ
335	select ARCH_HAS_RESET_CONTROLLER
336	select RESET_CONTROLLER
337
338config LASAT
339	bool "LASAT Networks platforms"
340	select CEVT_R4K
341	select CRC32
342	select CSRC_R4K
343	select DMA_NONCOHERENT
344	select SYS_HAS_EARLY_PRINTK
345	select HW_HAS_PCI
346	select IRQ_MIPS_CPU
347	select PCI_GT64XXX_PCI0
348	select MIPS_NILE4
349	select R5000_CPU_SCACHE
350	select SYS_HAS_CPU_R5000
351	select SYS_SUPPORTS_32BIT_KERNEL
352	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
353	select SYS_SUPPORTS_LITTLE_ENDIAN
354
355config MACH_LOONGSON32
356	bool "Loongson-1 family of machines"
357	select SYS_SUPPORTS_ZBOOT
358	help
359	  This enables support for the Loongson-1 family of machines.
360
361	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
362	  the Institute of Computing Technology (ICT), Chinese Academy of
363	  Sciences (CAS).
364
365config MACH_LOONGSON64
366	bool "Loongson-2/3 family of machines"
367	select SYS_SUPPORTS_ZBOOT
368	help
369	  This enables the support of Loongson-2/3 family of machines.
370
371	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
372	  family of multi-core CPUs. They are both 64-bit general-purpose
373	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
374	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
375	  in the People's Republic of China. The chief architect is Professor
376	  Weiwu Hu.
377
378config MACH_PISTACHIO
379	bool "IMG Pistachio SoC based boards"
380	select ARCH_REQUIRE_GPIOLIB
381	select BOOT_ELF32
382	select BOOT_RAW
383	select CEVT_R4K
384	select CLKSRC_MIPS_GIC
385	select COMMON_CLK
386	select CSRC_R4K
387	select DMA_MAYBE_COHERENT
388	select IRQ_MIPS_CPU
389	select LIBFDT
390	select MFD_SYSCON
391	select MIPS_CPU_SCACHE
392	select MIPS_GIC
393	select PINCTRL
394	select REGULATOR
395	select SYS_HAS_CPU_MIPS32_R2
396	select SYS_SUPPORTS_32BIT_KERNEL
397	select SYS_SUPPORTS_LITTLE_ENDIAN
398	select SYS_SUPPORTS_MIPS_CPS
399	select SYS_SUPPORTS_MULTITHREADING
400	select SYS_SUPPORTS_ZBOOT
401	select SYS_HAS_EARLY_PRINTK
402	select USE_GENERIC_EARLY_PRINTK_8250
403	select USE_OF
404	help
405	  This enables support for the IMG Pistachio SoC platform.
406
407config MACH_XILFPGA
408	bool "MIPSfpga Xilinx based boards"
409	select ARCH_REQUIRE_GPIOLIB
410	select BOOT_ELF32
411	select BOOT_RAW
412	select BUILTIN_DTB
413	select CEVT_R4K
414	select COMMON_CLK
415	select CSRC_R4K
416	select IRQ_MIPS_CPU
417	select LIBFDT
418	select MIPS_CPU_SCACHE
419	select SYS_HAS_EARLY_PRINTK
420	select SYS_HAS_CPU_MIPS32_R2
421	select SYS_SUPPORTS_32BIT_KERNEL
422	select SYS_SUPPORTS_LITTLE_ENDIAN
423	select SYS_SUPPORTS_ZBOOT_UART16550
424	select USE_OF
425	select USE_GENERIC_EARLY_PRINTK_8250
426	help
427	  This enables support for the IMG University Program MIPSfpga platform.
428
429config MIPS_MALTA
430	bool "MIPS Malta board"
431	select ARCH_MAY_HAVE_PC_FDC
432	select BOOT_ELF32
433	select BOOT_RAW
434	select BUILTIN_DTB
435	select CEVT_R4K
436	select CSRC_R4K
437	select CLKSRC_MIPS_GIC
438	select COMMON_CLK
439	select DMA_MAYBE_COHERENT
440	select GENERIC_ISA_DMA
441	select HAVE_PCSPKR_PLATFORM
442	select IRQ_MIPS_CPU
443	select MIPS_GIC
444	select HW_HAS_PCI
445	select I8253
446	select I8259
447	select MIPS_BONITO64
448	select MIPS_CPU_SCACHE
449	select MIPS_L1_CACHE_SHIFT_6
450	select PCI_GT64XXX_PCI0
451	select MIPS_MSC
452	select SMP_UP if SMP
453	select SWAP_IO_SPACE
454	select SYS_HAS_CPU_MIPS32_R1
455	select SYS_HAS_CPU_MIPS32_R2
456	select SYS_HAS_CPU_MIPS32_R3_5
457	select SYS_HAS_CPU_MIPS32_R5
458	select SYS_HAS_CPU_MIPS32_R6
459	select SYS_HAS_CPU_MIPS64_R1
460	select SYS_HAS_CPU_MIPS64_R2
461	select SYS_HAS_CPU_MIPS64_R6
462	select SYS_HAS_CPU_NEVADA
463	select SYS_HAS_CPU_RM7000
464	select SYS_SUPPORTS_32BIT_KERNEL
465	select SYS_SUPPORTS_64BIT_KERNEL
466	select SYS_SUPPORTS_BIG_ENDIAN
467	select SYS_SUPPORTS_HIGHMEM
468	select SYS_SUPPORTS_LITTLE_ENDIAN
469	select SYS_SUPPORTS_MICROMIPS
470	select SYS_SUPPORTS_MIPS_CMP
471	select SYS_SUPPORTS_MIPS_CPS
472	select SYS_SUPPORTS_MIPS16
473	select SYS_SUPPORTS_MULTITHREADING
474	select SYS_SUPPORTS_SMARTMIPS
475	select SYS_SUPPORTS_ZBOOT
476	select USE_OF
477	select ZONE_DMA32 if 64BIT
478	select BUILTIN_DTB
479	select LIBFDT
480	help
481	  This enables support for the MIPS Technologies Malta evaluation
482	  board.
483
484config MACH_PIC32
485	bool "Microchip PIC32 Family"
486	help
487	  This enables support for the Microchip PIC32 family of platforms.
488
489	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
490	  microcontrollers.
491
492config MIPS_SEAD3
493	bool "MIPS SEAD3 board"
494	select BOOT_ELF32
495	select BOOT_RAW
496	select BUILTIN_DTB
497	select CEVT_R4K
498	select CSRC_R4K
499	select CLKSRC_MIPS_GIC
500	select COMMON_CLK
501	select CPU_MIPSR2_IRQ_VI
502	select CPU_MIPSR2_IRQ_EI
503	select DMA_NONCOHERENT
504	select IRQ_MIPS_CPU
505	select MIPS_GIC
506	select LIBFDT
507	select MIPS_MSC
508	select SYS_HAS_CPU_MIPS32_R1
509	select SYS_HAS_CPU_MIPS32_R2
510	select SYS_HAS_CPU_MIPS64_R1
511	select SYS_HAS_EARLY_PRINTK
512	select SYS_SUPPORTS_32BIT_KERNEL
513	select SYS_SUPPORTS_64BIT_KERNEL
514	select SYS_SUPPORTS_BIG_ENDIAN
515	select SYS_SUPPORTS_LITTLE_ENDIAN
516	select SYS_SUPPORTS_SMARTMIPS
517	select SYS_SUPPORTS_MICROMIPS
518	select SYS_SUPPORTS_MIPS16
519	select USB_EHCI_BIG_ENDIAN_DESC
520	select USB_EHCI_BIG_ENDIAN_MMIO
521	select USE_OF
522	help
523	  This enables support for the MIPS Technologies SEAD3 evaluation
524	  board.
525
526config NEC_MARKEINS
527	bool "NEC EMMA2RH Mark-eins board"
528	select SOC_EMMA2RH
529	select HW_HAS_PCI
530	help
531	  This enables support for the NEC Electronics Mark-eins boards.
532
533config MACH_VR41XX
534	bool "NEC VR4100 series based machines"
535	select CEVT_R4K
536	select CSRC_R4K
537	select SYS_HAS_CPU_VR41XX
538	select SYS_SUPPORTS_MIPS16
539	select ARCH_REQUIRE_GPIOLIB
540
541config NXP_STB220
542	bool "NXP STB220 board"
543	select SOC_PNX833X
544	help
545	 Support for NXP Semiconductors STB220 Development Board.
546
547config NXP_STB225
548	bool "NXP 225 board"
549	select SOC_PNX833X
550	select SOC_PNX8335
551	help
552	 Support for NXP Semiconductors STB225 Development Board.
553
554config PMC_MSP
555	bool "PMC-Sierra MSP chipsets"
556	select CEVT_R4K
557	select CSRC_R4K
558	select DMA_NONCOHERENT
559	select SWAP_IO_SPACE
560	select NO_EXCEPT_FILL
561	select BOOT_RAW
562	select SYS_HAS_CPU_MIPS32_R1
563	select SYS_HAS_CPU_MIPS32_R2
564	select SYS_SUPPORTS_32BIT_KERNEL
565	select SYS_SUPPORTS_BIG_ENDIAN
566	select SYS_SUPPORTS_MIPS16
567	select IRQ_MIPS_CPU
568	select SERIAL_8250
569	select SERIAL_8250_CONSOLE
570	select USB_EHCI_BIG_ENDIAN_MMIO
571	select USB_EHCI_BIG_ENDIAN_DESC
572	help
573	  This adds support for the PMC-Sierra family of Multi-Service
574	  Processor System-On-A-Chips.  These parts include a number
575	  of integrated peripherals, interfaces and DSPs in addition to
576	  a variety of MIPS cores.
577
578config RALINK
579	bool "Ralink based machines"
580	select CEVT_R4K
581	select CSRC_R4K
582	select BOOT_RAW
583	select DMA_NONCOHERENT
584	select IRQ_MIPS_CPU
585	select USE_OF
586	select SYS_HAS_CPU_MIPS32_R1
587	select SYS_HAS_CPU_MIPS32_R2
588	select SYS_SUPPORTS_32BIT_KERNEL
589	select SYS_SUPPORTS_LITTLE_ENDIAN
590	select SYS_SUPPORTS_MIPS16
591	select SYS_HAS_EARLY_PRINTK
592	select HAVE_MACH_CLKDEV
593	select CLKDEV_LOOKUP
594	select ARCH_HAS_RESET_CONTROLLER
595	select RESET_CONTROLLER
596
597config SGI_IP22
598	bool "SGI IP22 (Indy/Indigo2)"
599	select FW_ARC
600	select FW_ARC32
601	select BOOT_ELF32
602	select CEVT_R4K
603	select CSRC_R4K
604	select DEFAULT_SGI_PARTITION
605	select DMA_NONCOHERENT
606	select HW_HAS_EISA
607	select I8253
608	select I8259
609	select IP22_CPU_SCACHE
610	select IRQ_MIPS_CPU
611	select GENERIC_ISA_DMA_SUPPORT_BROKEN
612	select SGI_HAS_I8042
613	select SGI_HAS_INDYDOG
614	select SGI_HAS_HAL2
615	select SGI_HAS_SEEQ
616	select SGI_HAS_WD93
617	select SGI_HAS_ZILOG
618	select SWAP_IO_SPACE
619	select SYS_HAS_CPU_R4X00
620	select SYS_HAS_CPU_R5000
621	#
622	# Disable EARLY_PRINTK for now since it leads to overwritten prom
623	# memory during early boot on some machines.
624	#
625	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
626	# for a more details discussion
627	#
628	# select SYS_HAS_EARLY_PRINTK
629	select SYS_SUPPORTS_32BIT_KERNEL
630	select SYS_SUPPORTS_64BIT_KERNEL
631	select SYS_SUPPORTS_BIG_ENDIAN
632	select MIPS_L1_CACHE_SHIFT_7
633	help
634	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
635	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
636	  that runs on these, say Y here.
637
638config SGI_IP27
639	bool "SGI IP27 (Origin200/2000)"
640	select FW_ARC
641	select FW_ARC64
642	select BOOT_ELF64
643	select DEFAULT_SGI_PARTITION
644	select DMA_COHERENT
645	select SYS_HAS_EARLY_PRINTK
646	select HW_HAS_PCI
647	select NR_CPUS_DEFAULT_64
648	select SYS_HAS_CPU_R10000
649	select SYS_SUPPORTS_64BIT_KERNEL
650	select SYS_SUPPORTS_BIG_ENDIAN
651	select SYS_SUPPORTS_NUMA
652	select SYS_SUPPORTS_SMP
653	select MIPS_L1_CACHE_SHIFT_7
654	help
655	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
656	  workstations.  To compile a Linux kernel that runs on these, say Y
657	  here.
658
659config SGI_IP28
660	bool "SGI IP28 (Indigo2 R10k)"
661	select FW_ARC
662	select FW_ARC64
663	select BOOT_ELF64
664	select CEVT_R4K
665	select CSRC_R4K
666	select DEFAULT_SGI_PARTITION
667	select DMA_NONCOHERENT
668	select GENERIC_ISA_DMA_SUPPORT_BROKEN
669	select IRQ_MIPS_CPU
670	select HW_HAS_EISA
671	select I8253
672	select I8259
673	select SGI_HAS_I8042
674	select SGI_HAS_INDYDOG
675	select SGI_HAS_HAL2
676	select SGI_HAS_SEEQ
677	select SGI_HAS_WD93
678	select SGI_HAS_ZILOG
679	select SWAP_IO_SPACE
680	select SYS_HAS_CPU_R10000
681	#
682	# Disable EARLY_PRINTK for now since it leads to overwritten prom
683	# memory during early boot on some machines.
684	#
685	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
686	# for a more details discussion
687	#
688	# select SYS_HAS_EARLY_PRINTK
689	select SYS_SUPPORTS_64BIT_KERNEL
690	select SYS_SUPPORTS_BIG_ENDIAN
691	select MIPS_L1_CACHE_SHIFT_7
692      help
693        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
694        kernel that runs on these, say Y here.
695
696config SGI_IP32
697	bool "SGI IP32 (O2)"
698	select FW_ARC
699	select FW_ARC32
700	select BOOT_ELF32
701	select CEVT_R4K
702	select CSRC_R4K
703	select DMA_NONCOHERENT
704	select HW_HAS_PCI
705	select IRQ_MIPS_CPU
706	select R5000_CPU_SCACHE
707	select RM7000_CPU_SCACHE
708	select SYS_HAS_CPU_R5000
709	select SYS_HAS_CPU_R10000 if BROKEN
710	select SYS_HAS_CPU_RM7000
711	select SYS_HAS_CPU_NEVADA
712	select SYS_SUPPORTS_64BIT_KERNEL
713	select SYS_SUPPORTS_BIG_ENDIAN
714	help
715	  If you want this kernel to run on SGI O2 workstation, say Y here.
716
717config SIBYTE_CRHINE
718	bool "Sibyte BCM91120C-CRhine"
719	select BOOT_ELF32
720	select DMA_COHERENT
721	select SIBYTE_BCM1120
722	select SWAP_IO_SPACE
723	select SYS_HAS_CPU_SB1
724	select SYS_SUPPORTS_BIG_ENDIAN
725	select SYS_SUPPORTS_LITTLE_ENDIAN
726
727config SIBYTE_CARMEL
728	bool "Sibyte BCM91120x-Carmel"
729	select BOOT_ELF32
730	select DMA_COHERENT
731	select SIBYTE_BCM1120
732	select SWAP_IO_SPACE
733	select SYS_HAS_CPU_SB1
734	select SYS_SUPPORTS_BIG_ENDIAN
735	select SYS_SUPPORTS_LITTLE_ENDIAN
736
737config SIBYTE_CRHONE
738	bool "Sibyte BCM91125C-CRhone"
739	select BOOT_ELF32
740	select DMA_COHERENT
741	select SIBYTE_BCM1125
742	select SWAP_IO_SPACE
743	select SYS_HAS_CPU_SB1
744	select SYS_SUPPORTS_BIG_ENDIAN
745	select SYS_SUPPORTS_HIGHMEM
746	select SYS_SUPPORTS_LITTLE_ENDIAN
747
748config SIBYTE_RHONE
749	bool "Sibyte BCM91125E-Rhone"
750	select BOOT_ELF32
751	select DMA_COHERENT
752	select SIBYTE_BCM1125H
753	select SWAP_IO_SPACE
754	select SYS_HAS_CPU_SB1
755	select SYS_SUPPORTS_BIG_ENDIAN
756	select SYS_SUPPORTS_LITTLE_ENDIAN
757
758config SIBYTE_SWARM
759	bool "Sibyte BCM91250A-SWARM"
760	select BOOT_ELF32
761	select DMA_COHERENT
762	select HAVE_PATA_PLATFORM
763	select SIBYTE_SB1250
764	select SWAP_IO_SPACE
765	select SYS_HAS_CPU_SB1
766	select SYS_SUPPORTS_BIG_ENDIAN
767	select SYS_SUPPORTS_HIGHMEM
768	select SYS_SUPPORTS_LITTLE_ENDIAN
769	select ZONE_DMA32 if 64BIT
770
771config SIBYTE_LITTLESUR
772	bool "Sibyte BCM91250C2-LittleSur"
773	select BOOT_ELF32
774	select DMA_COHERENT
775	select HAVE_PATA_PLATFORM
776	select SIBYTE_SB1250
777	select SWAP_IO_SPACE
778	select SYS_HAS_CPU_SB1
779	select SYS_SUPPORTS_BIG_ENDIAN
780	select SYS_SUPPORTS_HIGHMEM
781	select SYS_SUPPORTS_LITTLE_ENDIAN
782
783config SIBYTE_SENTOSA
784	bool "Sibyte BCM91250E-Sentosa"
785	select BOOT_ELF32
786	select DMA_COHERENT
787	select SIBYTE_SB1250
788	select SWAP_IO_SPACE
789	select SYS_HAS_CPU_SB1
790	select SYS_SUPPORTS_BIG_ENDIAN
791	select SYS_SUPPORTS_LITTLE_ENDIAN
792
793config SIBYTE_BIGSUR
794	bool "Sibyte BCM91480B-BigSur"
795	select BOOT_ELF32
796	select DMA_COHERENT
797	select NR_CPUS_DEFAULT_4
798	select SIBYTE_BCM1x80
799	select SWAP_IO_SPACE
800	select SYS_HAS_CPU_SB1
801	select SYS_SUPPORTS_BIG_ENDIAN
802	select SYS_SUPPORTS_HIGHMEM
803	select SYS_SUPPORTS_LITTLE_ENDIAN
804	select ZONE_DMA32 if 64BIT
805
806config SNI_RM
807	bool "SNI RM200/300/400"
808	select FW_ARC if CPU_LITTLE_ENDIAN
809	select FW_ARC32 if CPU_LITTLE_ENDIAN
810	select FW_SNIPROM if CPU_BIG_ENDIAN
811	select ARCH_MAY_HAVE_PC_FDC
812	select BOOT_ELF32
813	select CEVT_R4K
814	select CSRC_R4K
815	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
816	select DMA_NONCOHERENT
817	select GENERIC_ISA_DMA
818	select HAVE_PCSPKR_PLATFORM
819	select HW_HAS_EISA
820	select HW_HAS_PCI
821	select IRQ_MIPS_CPU
822	select I8253
823	select I8259
824	select ISA
825	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
826	select SYS_HAS_CPU_R4X00
827	select SYS_HAS_CPU_R5000
828	select SYS_HAS_CPU_R10000
829	select R5000_CPU_SCACHE
830	select SYS_HAS_EARLY_PRINTK
831	select SYS_SUPPORTS_32BIT_KERNEL
832	select SYS_SUPPORTS_64BIT_KERNEL
833	select SYS_SUPPORTS_BIG_ENDIAN
834	select SYS_SUPPORTS_HIGHMEM
835	select SYS_SUPPORTS_LITTLE_ENDIAN
836	help
837	  The SNI RM200/300/400 are MIPS-based machines manufactured by
838	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
839	  Technology and now in turn merged with Fujitsu.  Say Y here to
840	  support this machine type.
841
842config MACH_TX39XX
843	bool "Toshiba TX39 series based machines"
844
845config MACH_TX49XX
846	bool "Toshiba TX49 series based machines"
847
848config MIKROTIK_RB532
849	bool "Mikrotik RB532 boards"
850	select CEVT_R4K
851	select CSRC_R4K
852	select DMA_NONCOHERENT
853	select HW_HAS_PCI
854	select IRQ_MIPS_CPU
855	select SYS_HAS_CPU_MIPS32_R1
856	select SYS_SUPPORTS_32BIT_KERNEL
857	select SYS_SUPPORTS_LITTLE_ENDIAN
858	select SWAP_IO_SPACE
859	select BOOT_RAW
860	select ARCH_REQUIRE_GPIOLIB
861	select MIPS_L1_CACHE_SHIFT_4
862	help
863	  Support the Mikrotik(tm) RouterBoard 532 series,
864	  based on the IDT RC32434 SoC.
865
866config CAVIUM_OCTEON_SOC
867	bool "Cavium Networks Octeon SoC based boards"
868	select CEVT_R4K
869	select ARCH_PHYS_ADDR_T_64BIT
870	select DMA_COHERENT
871	select SYS_SUPPORTS_64BIT_KERNEL
872	select SYS_SUPPORTS_BIG_ENDIAN
873	select EDAC_SUPPORT
874	select EDAC_ATOMIC_SCRUB
875	select SYS_SUPPORTS_LITTLE_ENDIAN
876	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
877	select SYS_HAS_EARLY_PRINTK
878	select SYS_HAS_CPU_CAVIUM_OCTEON
879	select SWAP_IO_SPACE
880	select HW_HAS_PCI
881	select ZONE_DMA32
882	select HOLES_IN_ZONE
883	select ARCH_REQUIRE_GPIOLIB
884	select LIBFDT
885	select USE_OF
886	select ARCH_SPARSEMEM_ENABLE
887	select SYS_SUPPORTS_SMP
888	select NR_CPUS_DEFAULT_16
889	select BUILTIN_DTB
890	select MTD_COMPLEX_MAPPINGS
891	help
892	  This option supports all of the Octeon reference boards from Cavium
893	  Networks. It builds a kernel that dynamically determines the Octeon
894	  CPU type and supports all known board reference implementations.
895	  Some of the supported boards are:
896		EBT3000
897		EBH3000
898		EBH3100
899		Thunder
900		Kodama
901		Hikari
902	  Say Y here for most Octeon reference boards.
903
904config NLM_XLR_BOARD
905	bool "Netlogic XLR/XLS based systems"
906	select BOOT_ELF32
907	select NLM_COMMON
908	select SYS_HAS_CPU_XLR
909	select SYS_SUPPORTS_SMP
910	select HW_HAS_PCI
911	select SWAP_IO_SPACE
912	select SYS_SUPPORTS_32BIT_KERNEL
913	select SYS_SUPPORTS_64BIT_KERNEL
914	select ARCH_PHYS_ADDR_T_64BIT
915	select SYS_SUPPORTS_BIG_ENDIAN
916	select SYS_SUPPORTS_HIGHMEM
917	select DMA_COHERENT
918	select NR_CPUS_DEFAULT_32
919	select CEVT_R4K
920	select CSRC_R4K
921	select IRQ_MIPS_CPU
922	select ZONE_DMA32 if 64BIT
923	select SYNC_R4K
924	select SYS_HAS_EARLY_PRINTK
925	select SYS_SUPPORTS_ZBOOT
926	select SYS_SUPPORTS_ZBOOT_UART16550
927	help
928	  Support for systems based on Netlogic XLR and XLS processors.
929	  Say Y here if you have a XLR or XLS based board.
930
931config NLM_XLP_BOARD
932	bool "Netlogic XLP based systems"
933	select BOOT_ELF32
934	select NLM_COMMON
935	select SYS_HAS_CPU_XLP
936	select SYS_SUPPORTS_SMP
937	select HW_HAS_PCI
938	select SYS_SUPPORTS_32BIT_KERNEL
939	select SYS_SUPPORTS_64BIT_KERNEL
940	select ARCH_PHYS_ADDR_T_64BIT
941	select ARCH_REQUIRE_GPIOLIB
942	select SYS_SUPPORTS_BIG_ENDIAN
943	select SYS_SUPPORTS_LITTLE_ENDIAN
944	select SYS_SUPPORTS_HIGHMEM
945	select DMA_COHERENT
946	select NR_CPUS_DEFAULT_32
947	select CEVT_R4K
948	select CSRC_R4K
949	select IRQ_MIPS_CPU
950	select ZONE_DMA32 if 64BIT
951	select SYNC_R4K
952	select SYS_HAS_EARLY_PRINTK
953	select USE_OF
954	select SYS_SUPPORTS_ZBOOT
955	select SYS_SUPPORTS_ZBOOT_UART16550
956	help
957	  This board is based on Netlogic XLP Processor.
958	  Say Y here if you have a XLP based board.
959
960config MIPS_PARAVIRT
961	bool "Para-Virtualized guest system"
962	select CEVT_R4K
963	select CSRC_R4K
964	select DMA_COHERENT
965	select SYS_SUPPORTS_64BIT_KERNEL
966	select SYS_SUPPORTS_32BIT_KERNEL
967	select SYS_SUPPORTS_BIG_ENDIAN
968	select SYS_SUPPORTS_SMP
969	select NR_CPUS_DEFAULT_4
970	select SYS_HAS_EARLY_PRINTK
971	select SYS_HAS_CPU_MIPS32_R2
972	select SYS_HAS_CPU_MIPS64_R2
973	select SYS_HAS_CPU_CAVIUM_OCTEON
974	select HW_HAS_PCI
975	select SWAP_IO_SPACE
976	help
977	  This option supports guest running under ????
978
979endchoice
980
981source "arch/mips/alchemy/Kconfig"
982source "arch/mips/ath25/Kconfig"
983source "arch/mips/ath79/Kconfig"
984source "arch/mips/bcm47xx/Kconfig"
985source "arch/mips/bcm63xx/Kconfig"
986source "arch/mips/bmips/Kconfig"
987source "arch/mips/jazz/Kconfig"
988source "arch/mips/jz4740/Kconfig"
989source "arch/mips/lantiq/Kconfig"
990source "arch/mips/lasat/Kconfig"
991source "arch/mips/pic32/Kconfig"
992source "arch/mips/pistachio/Kconfig"
993source "arch/mips/pmcs-msp71xx/Kconfig"
994source "arch/mips/ralink/Kconfig"
995source "arch/mips/sgi-ip27/Kconfig"
996source "arch/mips/sibyte/Kconfig"
997source "arch/mips/txx9/Kconfig"
998source "arch/mips/vr41xx/Kconfig"
999source "arch/mips/cavium-octeon/Kconfig"
1000source "arch/mips/loongson32/Kconfig"
1001source "arch/mips/loongson64/Kconfig"
1002source "arch/mips/netlogic/Kconfig"
1003source "arch/mips/paravirt/Kconfig"
1004source "arch/mips/xilfpga/Kconfig"
1005
1006endmenu
1007
1008config RWSEM_GENERIC_SPINLOCK
1009	bool
1010	default y
1011
1012config RWSEM_XCHGADD_ALGORITHM
1013	bool
1014
1015config ARCH_HAS_ILOG2_U32
1016	bool
1017	default n
1018
1019config ARCH_HAS_ILOG2_U64
1020	bool
1021	default n
1022
1023config GENERIC_HWEIGHT
1024	bool
1025	default y
1026
1027config GENERIC_CALIBRATE_DELAY
1028	bool
1029	default y
1030
1031config SCHED_OMIT_FRAME_POINTER
1032	bool
1033	default y
1034
1035#
1036# Select some configuration options automatically based on user selections.
1037#
1038config FW_ARC
1039	bool
1040
1041config ARCH_MAY_HAVE_PC_FDC
1042	bool
1043
1044config BOOT_RAW
1045	bool
1046
1047config CEVT_BCM1480
1048	bool
1049
1050config CEVT_DS1287
1051	bool
1052
1053config CEVT_GT641XX
1054	bool
1055
1056config CEVT_R4K
1057	bool
1058
1059config CEVT_SB1250
1060	bool
1061
1062config CEVT_TXX9
1063	bool
1064
1065config CSRC_BCM1480
1066	bool
1067
1068config CSRC_IOASIC
1069	bool
1070
1071config CSRC_R4K
1072	bool
1073
1074config CSRC_SB1250
1075	bool
1076
1077config MIPS_CLOCK_VSYSCALL
1078	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1079
1080config GPIO_TXX9
1081	select ARCH_REQUIRE_GPIOLIB
1082	bool
1083
1084config FW_CFE
1085	bool
1086
1087config ARCH_DMA_ADDR_T_64BIT
1088	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1089
1090config ARCH_SUPPORTS_UPROBES
1091	bool
1092
1093config DMA_MAYBE_COHERENT
1094	select DMA_NONCOHERENT
1095	bool
1096
1097config DMA_COHERENT
1098	bool
1099
1100config DMA_NONCOHERENT
1101	bool
1102	select NEED_DMA_MAP_STATE
1103
1104config NEED_DMA_MAP_STATE
1105	bool
1106
1107config SYS_HAS_EARLY_PRINTK
1108	bool
1109
1110config HOTPLUG_CPU
1111	bool "Support for hot-pluggable CPUs"
1112	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1113	help
1114	  Say Y here to allow turning CPUs off and on. CPUs can be
1115	  controlled through /sys/devices/system/cpu.
1116	  (Note: power management support will enable this option
1117	    automatically on SMP systems. )
1118	  Say N if you want to disable CPU hotplug.
1119
1120config SYS_SUPPORTS_HOTPLUG_CPU
1121	bool
1122
1123config MIPS_BONITO64
1124	bool
1125
1126config MIPS_MSC
1127	bool
1128
1129config MIPS_NILE4
1130	bool
1131
1132config SYNC_R4K
1133	bool
1134
1135config MIPS_MACHINE
1136	def_bool n
1137
1138config NO_IOPORT_MAP
1139	def_bool n
1140
1141config GENERIC_CSUM
1142	bool
1143
1144config GENERIC_ISA_DMA
1145	bool
1146	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1147	select ISA_DMA_API
1148
1149config GENERIC_ISA_DMA_SUPPORT_BROKEN
1150	bool
1151	select GENERIC_ISA_DMA
1152
1153config ISA_DMA_API
1154	bool
1155
1156config HOLES_IN_ZONE
1157	bool
1158
1159#
1160# Endianness selection.  Sufficiently obscure so many users don't know what to
1161# answer,so we try hard to limit the available choices.  Also the use of a
1162# choice statement should be more obvious to the user.
1163#
1164choice
1165	prompt "Endianness selection"
1166	help
1167	  Some MIPS machines can be configured for either little or big endian
1168	  byte order. These modes require different kernels and a different
1169	  Linux distribution.  In general there is one preferred byteorder for a
1170	  particular system but some systems are just as commonly used in the
1171	  one or the other endianness.
1172
1173config CPU_BIG_ENDIAN
1174	bool "Big endian"
1175	depends on SYS_SUPPORTS_BIG_ENDIAN
1176
1177config CPU_LITTLE_ENDIAN
1178	bool "Little endian"
1179	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1180
1181endchoice
1182
1183config EXPORT_UASM
1184	bool
1185
1186config SYS_SUPPORTS_APM_EMULATION
1187	bool
1188
1189config SYS_SUPPORTS_BIG_ENDIAN
1190	bool
1191
1192config SYS_SUPPORTS_LITTLE_ENDIAN
1193	bool
1194
1195config SYS_SUPPORTS_HUGETLBFS
1196	bool
1197	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1198	default y
1199
1200config MIPS_HUGE_TLB_SUPPORT
1201	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1202
1203config IRQ_CPU_RM7K
1204	bool
1205
1206config IRQ_MSP_SLP
1207	bool
1208
1209config IRQ_MSP_CIC
1210	bool
1211
1212config IRQ_TXX9
1213	bool
1214
1215config IRQ_GT641XX
1216	bool
1217
1218config PCI_GT64XXX_PCI0
1219	bool
1220
1221config NO_EXCEPT_FILL
1222	bool
1223
1224config SOC_EMMA2RH
1225	bool
1226	select CEVT_R4K
1227	select CSRC_R4K
1228	select DMA_NONCOHERENT
1229	select IRQ_MIPS_CPU
1230	select SWAP_IO_SPACE
1231	select SYS_HAS_CPU_R5500
1232	select SYS_SUPPORTS_32BIT_KERNEL
1233	select SYS_SUPPORTS_64BIT_KERNEL
1234	select SYS_SUPPORTS_BIG_ENDIAN
1235
1236config SOC_PNX833X
1237	bool
1238	select CEVT_R4K
1239	select CSRC_R4K
1240	select IRQ_MIPS_CPU
1241	select DMA_NONCOHERENT
1242	select SYS_HAS_CPU_MIPS32_R2
1243	select SYS_SUPPORTS_32BIT_KERNEL
1244	select SYS_SUPPORTS_LITTLE_ENDIAN
1245	select SYS_SUPPORTS_BIG_ENDIAN
1246	select SYS_SUPPORTS_MIPS16
1247	select CPU_MIPSR2_IRQ_VI
1248
1249config SOC_PNX8335
1250	bool
1251	select SOC_PNX833X
1252
1253config MIPS_SPRAM
1254	bool
1255
1256config SWAP_IO_SPACE
1257	bool
1258
1259config SGI_HAS_INDYDOG
1260	bool
1261
1262config SGI_HAS_HAL2
1263	bool
1264
1265config SGI_HAS_SEEQ
1266	bool
1267
1268config SGI_HAS_WD93
1269	bool
1270
1271config SGI_HAS_ZILOG
1272	bool
1273
1274config SGI_HAS_I8042
1275	bool
1276
1277config DEFAULT_SGI_PARTITION
1278	bool
1279
1280config FW_ARC32
1281	bool
1282
1283config FW_SNIPROM
1284	bool
1285
1286config BOOT_ELF32
1287	bool
1288
1289config MIPS_L1_CACHE_SHIFT_4
1290	bool
1291
1292config MIPS_L1_CACHE_SHIFT_5
1293	bool
1294
1295config MIPS_L1_CACHE_SHIFT_6
1296	bool
1297
1298config MIPS_L1_CACHE_SHIFT_7
1299	bool
1300
1301config MIPS_L1_CACHE_SHIFT
1302	int
1303	default "7" if MIPS_L1_CACHE_SHIFT_7
1304	default "6" if MIPS_L1_CACHE_SHIFT_6
1305	default "5" if MIPS_L1_CACHE_SHIFT_5
1306	default "4" if MIPS_L1_CACHE_SHIFT_4
1307	default "5"
1308
1309config HAVE_STD_PC_SERIAL_PORT
1310	bool
1311
1312config ARC_CONSOLE
1313	bool "ARC console support"
1314	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1315
1316config ARC_MEMORY
1317	bool
1318	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1319	default y
1320
1321config ARC_PROMLIB
1322	bool
1323	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1324	default y
1325
1326config FW_ARC64
1327	bool
1328
1329config BOOT_ELF64
1330	bool
1331
1332menu "CPU selection"
1333
1334choice
1335	prompt "CPU type"
1336	default CPU_R4X00
1337
1338config CPU_LOONGSON3
1339	bool "Loongson 3 CPU"
1340	depends on SYS_HAS_CPU_LOONGSON3
1341	select CPU_SUPPORTS_64BIT_KERNEL
1342	select CPU_SUPPORTS_HIGHMEM
1343	select CPU_SUPPORTS_HUGEPAGES
1344	select WEAK_ORDERING
1345	select WEAK_REORDERING_BEYOND_LLSC
1346	select ARCH_REQUIRE_GPIOLIB
1347	help
1348		The Loongson 3 processor implements the MIPS64R2 instruction
1349		set with many extensions.
1350
1351config CPU_LOONGSON2E
1352	bool "Loongson 2E"
1353	depends on SYS_HAS_CPU_LOONGSON2E
1354	select CPU_LOONGSON2
1355	help
1356	  The Loongson 2E processor implements the MIPS III instruction set
1357	  with many extensions.
1358
1359	  It has an internal FPGA northbridge, which is compatible to
1360	  bonito64.
1361
1362config CPU_LOONGSON2F
1363	bool "Loongson 2F"
1364	depends on SYS_HAS_CPU_LOONGSON2F
1365	select CPU_LOONGSON2
1366	select ARCH_REQUIRE_GPIOLIB
1367	help
1368	  The Loongson 2F processor implements the MIPS III instruction set
1369	  with many extensions.
1370
1371	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1372	  have a similar programming interface with FPGA northbridge used in
1373	  Loongson2E.
1374
1375config CPU_LOONGSON1B
1376	bool "Loongson 1B"
1377	depends on SYS_HAS_CPU_LOONGSON1B
1378	select CPU_LOONGSON1
1379	help
1380	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1381	  release 2 instruction set.
1382
1383config CPU_MIPS32_R1
1384	bool "MIPS32 Release 1"
1385	depends on SYS_HAS_CPU_MIPS32_R1
1386	select CPU_HAS_PREFETCH
1387	select CPU_SUPPORTS_32BIT_KERNEL
1388	select CPU_SUPPORTS_HIGHMEM
1389	help
1390	  Choose this option to build a kernel for release 1 or later of the
1391	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1392	  MIPS processor are based on a MIPS32 processor.  If you know the
1393	  specific type of processor in your system, choose those that one
1394	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1395	  Release 2 of the MIPS32 architecture is available since several
1396	  years so chances are you even have a MIPS32 Release 2 processor
1397	  in which case you should choose CPU_MIPS32_R2 instead for better
1398	  performance.
1399
1400config CPU_MIPS32_R2
1401	bool "MIPS32 Release 2"
1402	depends on SYS_HAS_CPU_MIPS32_R2
1403	select CPU_HAS_PREFETCH
1404	select CPU_SUPPORTS_32BIT_KERNEL
1405	select CPU_SUPPORTS_HIGHMEM
1406	select CPU_SUPPORTS_MSA
1407	select HAVE_KVM
1408	help
1409	  Choose this option to build a kernel for release 2 or later of the
1410	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1411	  MIPS processor are based on a MIPS32 processor.  If you know the
1412	  specific type of processor in your system, choose those that one
1413	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1414
1415config CPU_MIPS32_R6
1416	bool "MIPS32 Release 6"
1417	depends on SYS_HAS_CPU_MIPS32_R6
1418	select CPU_HAS_PREFETCH
1419	select CPU_SUPPORTS_32BIT_KERNEL
1420	select CPU_SUPPORTS_HIGHMEM
1421	select CPU_SUPPORTS_MSA
1422	select GENERIC_CSUM
1423	select HAVE_KVM
1424	select MIPS_O32_FP64_SUPPORT
1425	help
1426	  Choose this option to build a kernel for release 6 or later of the
1427	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1428	  family, are based on a MIPS32r6 processor. If you own an older
1429	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1430
1431config CPU_MIPS64_R1
1432	bool "MIPS64 Release 1"
1433	depends on SYS_HAS_CPU_MIPS64_R1
1434	select CPU_HAS_PREFETCH
1435	select CPU_SUPPORTS_32BIT_KERNEL
1436	select CPU_SUPPORTS_64BIT_KERNEL
1437	select CPU_SUPPORTS_HIGHMEM
1438	select CPU_SUPPORTS_HUGEPAGES
1439	help
1440	  Choose this option to build a kernel for release 1 or later of the
1441	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1442	  MIPS processor are based on a MIPS64 processor.  If you know the
1443	  specific type of processor in your system, choose those that one
1444	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1445	  Release 2 of the MIPS64 architecture is available since several
1446	  years so chances are you even have a MIPS64 Release 2 processor
1447	  in which case you should choose CPU_MIPS64_R2 instead for better
1448	  performance.
1449
1450config CPU_MIPS64_R2
1451	bool "MIPS64 Release 2"
1452	depends on SYS_HAS_CPU_MIPS64_R2
1453	select CPU_HAS_PREFETCH
1454	select CPU_SUPPORTS_32BIT_KERNEL
1455	select CPU_SUPPORTS_64BIT_KERNEL
1456	select CPU_SUPPORTS_HIGHMEM
1457	select CPU_SUPPORTS_HUGEPAGES
1458	select CPU_SUPPORTS_MSA
1459	help
1460	  Choose this option to build a kernel for release 2 or later of the
1461	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1462	  MIPS processor are based on a MIPS64 processor.  If you know the
1463	  specific type of processor in your system, choose those that one
1464	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1465
1466config CPU_MIPS64_R6
1467	bool "MIPS64 Release 6"
1468	depends on SYS_HAS_CPU_MIPS64_R6
1469	select CPU_HAS_PREFETCH
1470	select CPU_SUPPORTS_32BIT_KERNEL
1471	select CPU_SUPPORTS_64BIT_KERNEL
1472	select CPU_SUPPORTS_HIGHMEM
1473	select CPU_SUPPORTS_MSA
1474	select GENERIC_CSUM
1475	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1476	help
1477	  Choose this option to build a kernel for release 6 or later of the
1478	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1479	  family, are based on a MIPS64r6 processor. If you own an older
1480	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1481
1482config CPU_R3000
1483	bool "R3000"
1484	depends on SYS_HAS_CPU_R3000
1485	select CPU_HAS_WB
1486	select CPU_SUPPORTS_32BIT_KERNEL
1487	select CPU_SUPPORTS_HIGHMEM
1488	help
1489	  Please make sure to pick the right CPU type. Linux/MIPS is not
1490	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1491	  *not* work on R4000 machines and vice versa.  However, since most
1492	  of the supported machines have an R4000 (or similar) CPU, R4x00
1493	  might be a safe bet.  If the resulting kernel does not work,
1494	  try to recompile with R3000.
1495
1496config CPU_TX39XX
1497	bool "R39XX"
1498	depends on SYS_HAS_CPU_TX39XX
1499	select CPU_SUPPORTS_32BIT_KERNEL
1500
1501config CPU_VR41XX
1502	bool "R41xx"
1503	depends on SYS_HAS_CPU_VR41XX
1504	select CPU_SUPPORTS_32BIT_KERNEL
1505	select CPU_SUPPORTS_64BIT_KERNEL
1506	help
1507	  The options selects support for the NEC VR4100 series of processors.
1508	  Only choose this option if you have one of these processors as a
1509	  kernel built with this option will not run on any other type of
1510	  processor or vice versa.
1511
1512config CPU_R4300
1513	bool "R4300"
1514	depends on SYS_HAS_CPU_R4300
1515	select CPU_SUPPORTS_32BIT_KERNEL
1516	select CPU_SUPPORTS_64BIT_KERNEL
1517	help
1518	  MIPS Technologies R4300-series processors.
1519
1520config CPU_R4X00
1521	bool "R4x00"
1522	depends on SYS_HAS_CPU_R4X00
1523	select CPU_SUPPORTS_32BIT_KERNEL
1524	select CPU_SUPPORTS_64BIT_KERNEL
1525	select CPU_SUPPORTS_HUGEPAGES
1526	help
1527	  MIPS Technologies R4000-series processors other than 4300, including
1528	  the R4000, R4400, R4600, and 4700.
1529
1530config CPU_TX49XX
1531	bool "R49XX"
1532	depends on SYS_HAS_CPU_TX49XX
1533	select CPU_HAS_PREFETCH
1534	select CPU_SUPPORTS_32BIT_KERNEL
1535	select CPU_SUPPORTS_64BIT_KERNEL
1536	select CPU_SUPPORTS_HUGEPAGES
1537
1538config CPU_R5000
1539	bool "R5000"
1540	depends on SYS_HAS_CPU_R5000
1541	select CPU_SUPPORTS_32BIT_KERNEL
1542	select CPU_SUPPORTS_64BIT_KERNEL
1543	select CPU_SUPPORTS_HUGEPAGES
1544	help
1545	  MIPS Technologies R5000-series processors other than the Nevada.
1546
1547config CPU_R5432
1548	bool "R5432"
1549	depends on SYS_HAS_CPU_R5432
1550	select CPU_SUPPORTS_32BIT_KERNEL
1551	select CPU_SUPPORTS_64BIT_KERNEL
1552	select CPU_SUPPORTS_HUGEPAGES
1553
1554config CPU_R5500
1555	bool "R5500"
1556	depends on SYS_HAS_CPU_R5500
1557	select CPU_SUPPORTS_32BIT_KERNEL
1558	select CPU_SUPPORTS_64BIT_KERNEL
1559	select CPU_SUPPORTS_HUGEPAGES
1560	help
1561	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1562	  instruction set.
1563
1564config CPU_R6000
1565	bool "R6000"
1566	depends on SYS_HAS_CPU_R6000
1567	select CPU_SUPPORTS_32BIT_KERNEL
1568	help
1569	  MIPS Technologies R6000 and R6000A series processors.  Note these
1570	  processors are extremely rare and the support for them is incomplete.
1571
1572config CPU_NEVADA
1573	bool "RM52xx"
1574	depends on SYS_HAS_CPU_NEVADA
1575	select CPU_SUPPORTS_32BIT_KERNEL
1576	select CPU_SUPPORTS_64BIT_KERNEL
1577	select CPU_SUPPORTS_HUGEPAGES
1578	help
1579	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1580
1581config CPU_R8000
1582	bool "R8000"
1583	depends on SYS_HAS_CPU_R8000
1584	select CPU_HAS_PREFETCH
1585	select CPU_SUPPORTS_64BIT_KERNEL
1586	help
1587	  MIPS Technologies R8000 processors.  Note these processors are
1588	  uncommon and the support for them is incomplete.
1589
1590config CPU_R10000
1591	bool "R10000"
1592	depends on SYS_HAS_CPU_R10000
1593	select CPU_HAS_PREFETCH
1594	select CPU_SUPPORTS_32BIT_KERNEL
1595	select CPU_SUPPORTS_64BIT_KERNEL
1596	select CPU_SUPPORTS_HIGHMEM
1597	select CPU_SUPPORTS_HUGEPAGES
1598	help
1599	  MIPS Technologies R10000-series processors.
1600
1601config CPU_RM7000
1602	bool "RM7000"
1603	depends on SYS_HAS_CPU_RM7000
1604	select CPU_HAS_PREFETCH
1605	select CPU_SUPPORTS_32BIT_KERNEL
1606	select CPU_SUPPORTS_64BIT_KERNEL
1607	select CPU_SUPPORTS_HIGHMEM
1608	select CPU_SUPPORTS_HUGEPAGES
1609
1610config CPU_SB1
1611	bool "SB1"
1612	depends on SYS_HAS_CPU_SB1
1613	select CPU_SUPPORTS_32BIT_KERNEL
1614	select CPU_SUPPORTS_64BIT_KERNEL
1615	select CPU_SUPPORTS_HIGHMEM
1616	select CPU_SUPPORTS_HUGEPAGES
1617	select WEAK_ORDERING
1618
1619config CPU_CAVIUM_OCTEON
1620	bool "Cavium Octeon processor"
1621	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1622	select CPU_HAS_PREFETCH
1623	select CPU_SUPPORTS_64BIT_KERNEL
1624	select WEAK_ORDERING
1625	select CPU_SUPPORTS_HIGHMEM
1626	select CPU_SUPPORTS_HUGEPAGES
1627	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1628	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1629	select MIPS_L1_CACHE_SHIFT_7
1630	help
1631	  The Cavium Octeon processor is a highly integrated chip containing
1632	  many ethernet hardware widgets for networking tasks. The processor
1633	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1634	  Full details can be found at http://www.caviumnetworks.com.
1635
1636config CPU_BMIPS
1637	bool "Broadcom BMIPS"
1638	depends on SYS_HAS_CPU_BMIPS
1639	select CPU_MIPS32
1640	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1641	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1642	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1643	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1644	select CPU_SUPPORTS_32BIT_KERNEL
1645	select DMA_NONCOHERENT
1646	select IRQ_MIPS_CPU
1647	select SWAP_IO_SPACE
1648	select WEAK_ORDERING
1649	select CPU_SUPPORTS_HIGHMEM
1650	select CPU_HAS_PREFETCH
1651	help
1652	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1653
1654config CPU_XLR
1655	bool "Netlogic XLR SoC"
1656	depends on SYS_HAS_CPU_XLR
1657	select CPU_SUPPORTS_32BIT_KERNEL
1658	select CPU_SUPPORTS_64BIT_KERNEL
1659	select CPU_SUPPORTS_HIGHMEM
1660	select CPU_SUPPORTS_HUGEPAGES
1661	select WEAK_ORDERING
1662	select WEAK_REORDERING_BEYOND_LLSC
1663	help
1664	  Netlogic Microsystems XLR/XLS processors.
1665
1666config CPU_XLP
1667	bool "Netlogic XLP SoC"
1668	depends on SYS_HAS_CPU_XLP
1669	select CPU_SUPPORTS_32BIT_KERNEL
1670	select CPU_SUPPORTS_64BIT_KERNEL
1671	select CPU_SUPPORTS_HIGHMEM
1672	select WEAK_ORDERING
1673	select WEAK_REORDERING_BEYOND_LLSC
1674	select CPU_HAS_PREFETCH
1675	select CPU_MIPSR2
1676	select CPU_SUPPORTS_HUGEPAGES
1677	help
1678	  Netlogic Microsystems XLP processors.
1679endchoice
1680
1681config CPU_MIPS32_3_5_FEATURES
1682	bool "MIPS32 Release 3.5 Features"
1683	depends on SYS_HAS_CPU_MIPS32_R3_5
1684	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1685	help
1686	  Choose this option to build a kernel for release 2 or later of the
1687	  MIPS32 architecture including features from the 3.5 release such as
1688	  support for Enhanced Virtual Addressing (EVA).
1689
1690config CPU_MIPS32_3_5_EVA
1691	bool "Enhanced Virtual Addressing (EVA)"
1692	depends on CPU_MIPS32_3_5_FEATURES
1693	select EVA
1694	default y
1695	help
1696	  Choose this option if you want to enable the Enhanced Virtual
1697	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1698	  One of its primary benefits is an increase in the maximum size
1699	  of lowmem (up to 3GB). If unsure, say 'N' here.
1700
1701config CPU_MIPS32_R5_FEATURES
1702	bool "MIPS32 Release 5 Features"
1703	depends on SYS_HAS_CPU_MIPS32_R5
1704	depends on CPU_MIPS32_R2
1705	help
1706	  Choose this option to build a kernel for release 2 or later of the
1707	  MIPS32 architecture including features from release 5 such as
1708	  support for Extended Physical Addressing (XPA).
1709
1710config CPU_MIPS32_R5_XPA
1711	bool "Extended Physical Addressing (XPA)"
1712	depends on CPU_MIPS32_R5_FEATURES
1713	depends on !EVA
1714	depends on !PAGE_SIZE_4KB
1715	depends on SYS_SUPPORTS_HIGHMEM
1716	select XPA
1717	select HIGHMEM
1718	select ARCH_PHYS_ADDR_T_64BIT
1719	default n
1720	help
1721	  Choose this option if you want to enable the Extended Physical
1722	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1723	  benefit is to increase physical addressing equal to or greater
1724	  than 40 bits. Note that this has the side effect of turning on
1725	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1726	  If unsure, say 'N' here.
1727
1728if CPU_LOONGSON2F
1729config CPU_NOP_WORKAROUNDS
1730	bool
1731
1732config CPU_JUMP_WORKAROUNDS
1733	bool
1734
1735config CPU_LOONGSON2F_WORKAROUNDS
1736	bool "Loongson 2F Workarounds"
1737	default y
1738	select CPU_NOP_WORKAROUNDS
1739	select CPU_JUMP_WORKAROUNDS
1740	help
1741	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1742	  require workarounds.  Without workarounds the system may hang
1743	  unexpectedly.  For more information please refer to the gas
1744	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1745
1746	  Loongson 2F03 and later have fixed these issues and no workarounds
1747	  are needed.  The workarounds have no significant side effect on them
1748	  but may decrease the performance of the system so this option should
1749	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1750	  systems.
1751
1752	  If unsure, please say Y.
1753endif # CPU_LOONGSON2F
1754
1755config SYS_SUPPORTS_ZBOOT
1756	bool
1757	select HAVE_KERNEL_GZIP
1758	select HAVE_KERNEL_BZIP2
1759	select HAVE_KERNEL_LZ4
1760	select HAVE_KERNEL_LZMA
1761	select HAVE_KERNEL_LZO
1762	select HAVE_KERNEL_XZ
1763
1764config SYS_SUPPORTS_ZBOOT_UART16550
1765	bool
1766	select SYS_SUPPORTS_ZBOOT
1767
1768config SYS_SUPPORTS_ZBOOT_UART_PROM
1769	bool
1770	select SYS_SUPPORTS_ZBOOT
1771
1772config CPU_LOONGSON2
1773	bool
1774	select CPU_SUPPORTS_32BIT_KERNEL
1775	select CPU_SUPPORTS_64BIT_KERNEL
1776	select CPU_SUPPORTS_HIGHMEM
1777	select CPU_SUPPORTS_HUGEPAGES
1778
1779config CPU_LOONGSON1
1780	bool
1781	select CPU_MIPS32
1782	select CPU_MIPSR2
1783	select CPU_HAS_PREFETCH
1784	select CPU_SUPPORTS_32BIT_KERNEL
1785	select CPU_SUPPORTS_HIGHMEM
1786	select CPU_SUPPORTS_CPUFREQ
1787
1788config CPU_BMIPS32_3300
1789	select SMP_UP if SMP
1790	bool
1791
1792config CPU_BMIPS4350
1793	bool
1794	select SYS_SUPPORTS_SMP
1795	select SYS_SUPPORTS_HOTPLUG_CPU
1796
1797config CPU_BMIPS4380
1798	bool
1799	select MIPS_L1_CACHE_SHIFT_6
1800	select SYS_SUPPORTS_SMP
1801	select SYS_SUPPORTS_HOTPLUG_CPU
1802
1803config CPU_BMIPS5000
1804	bool
1805	select MIPS_CPU_SCACHE
1806	select MIPS_L1_CACHE_SHIFT_7
1807	select SYS_SUPPORTS_SMP
1808	select SYS_SUPPORTS_HOTPLUG_CPU
1809
1810config SYS_HAS_CPU_LOONGSON3
1811	bool
1812	select CPU_SUPPORTS_CPUFREQ
1813
1814config SYS_HAS_CPU_LOONGSON2E
1815	bool
1816
1817config SYS_HAS_CPU_LOONGSON2F
1818	bool
1819	select CPU_SUPPORTS_CPUFREQ
1820	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1821	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1822
1823config SYS_HAS_CPU_LOONGSON1B
1824	bool
1825
1826config SYS_HAS_CPU_MIPS32_R1
1827	bool
1828
1829config SYS_HAS_CPU_MIPS32_R2
1830	bool
1831
1832config SYS_HAS_CPU_MIPS32_R3_5
1833	bool
1834
1835config SYS_HAS_CPU_MIPS32_R5
1836	bool
1837
1838config SYS_HAS_CPU_MIPS32_R6
1839	bool
1840
1841config SYS_HAS_CPU_MIPS64_R1
1842	bool
1843
1844config SYS_HAS_CPU_MIPS64_R2
1845	bool
1846
1847config SYS_HAS_CPU_MIPS64_R6
1848	bool
1849
1850config SYS_HAS_CPU_R3000
1851	bool
1852
1853config SYS_HAS_CPU_TX39XX
1854	bool
1855
1856config SYS_HAS_CPU_VR41XX
1857	bool
1858
1859config SYS_HAS_CPU_R4300
1860	bool
1861
1862config SYS_HAS_CPU_R4X00
1863	bool
1864
1865config SYS_HAS_CPU_TX49XX
1866	bool
1867
1868config SYS_HAS_CPU_R5000
1869	bool
1870
1871config SYS_HAS_CPU_R5432
1872	bool
1873
1874config SYS_HAS_CPU_R5500
1875	bool
1876
1877config SYS_HAS_CPU_R6000
1878	bool
1879
1880config SYS_HAS_CPU_NEVADA
1881	bool
1882
1883config SYS_HAS_CPU_R8000
1884	bool
1885
1886config SYS_HAS_CPU_R10000
1887	bool
1888
1889config SYS_HAS_CPU_RM7000
1890	bool
1891
1892config SYS_HAS_CPU_SB1
1893	bool
1894
1895config SYS_HAS_CPU_CAVIUM_OCTEON
1896	bool
1897
1898config SYS_HAS_CPU_BMIPS
1899	bool
1900
1901config SYS_HAS_CPU_BMIPS32_3300
1902	bool
1903	select SYS_HAS_CPU_BMIPS
1904
1905config SYS_HAS_CPU_BMIPS4350
1906	bool
1907	select SYS_HAS_CPU_BMIPS
1908
1909config SYS_HAS_CPU_BMIPS4380
1910	bool
1911	select SYS_HAS_CPU_BMIPS
1912
1913config SYS_HAS_CPU_BMIPS5000
1914	bool
1915	select SYS_HAS_CPU_BMIPS
1916
1917config SYS_HAS_CPU_XLR
1918	bool
1919
1920config SYS_HAS_CPU_XLP
1921	bool
1922
1923config MIPS_MALTA_PM
1924	depends on MIPS_MALTA
1925	depends on PCI
1926	bool
1927	default y
1928
1929#
1930# CPU may reorder R->R, R->W, W->R, W->W
1931# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1932#
1933config WEAK_ORDERING
1934	bool
1935
1936#
1937# CPU may reorder reads and writes beyond LL/SC
1938# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1939#
1940config WEAK_REORDERING_BEYOND_LLSC
1941	bool
1942endmenu
1943
1944#
1945# These two indicate any level of the MIPS32 and MIPS64 architecture
1946#
1947config CPU_MIPS32
1948	bool
1949	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1950
1951config CPU_MIPS64
1952	bool
1953	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1954
1955#
1956# These two indicate the revision of the architecture, either Release 1 or Release 2
1957#
1958config CPU_MIPSR1
1959	bool
1960	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1961
1962config CPU_MIPSR2
1963	bool
1964	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1965	select MIPS_SPRAM
1966
1967config CPU_MIPSR6
1968	bool
1969	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1970	select MIPS_SPRAM
1971
1972config EVA
1973	bool
1974
1975config XPA
1976	bool
1977
1978config SYS_SUPPORTS_32BIT_KERNEL
1979	bool
1980config SYS_SUPPORTS_64BIT_KERNEL
1981	bool
1982config CPU_SUPPORTS_32BIT_KERNEL
1983	bool
1984config CPU_SUPPORTS_64BIT_KERNEL
1985	bool
1986config CPU_SUPPORTS_CPUFREQ
1987	bool
1988config CPU_SUPPORTS_ADDRWINCFG
1989	bool
1990config CPU_SUPPORTS_HUGEPAGES
1991	bool
1992config CPU_SUPPORTS_UNCACHED_ACCELERATED
1993	bool
1994config MIPS_PGD_C0_CONTEXT
1995	bool
1996	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1997
1998#
1999# Set to y for ptrace access to watch registers.
2000#
2001config HARDWARE_WATCHPOINTS
2002       bool
2003       default y if CPU_MIPSR1 || CPU_MIPSR2
2004
2005menu "Kernel type"
2006
2007choice
2008	prompt "Kernel code model"
2009	help
2010	  You should only select this option if you have a workload that
2011	  actually benefits from 64-bit processing or if your machine has
2012	  large memory.  You will only be presented a single option in this
2013	  menu if your system does not support both 32-bit and 64-bit kernels.
2014
2015config 32BIT
2016	bool "32-bit kernel"
2017	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2018	select TRAD_SIGNALS
2019	help
2020	  Select this option if you want to build a 32-bit kernel.
2021
2022config 64BIT
2023	bool "64-bit kernel"
2024	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2025	help
2026	  Select this option if you want to build a 64-bit kernel.
2027
2028endchoice
2029
2030config KVM_GUEST
2031	bool "KVM Guest Kernel"
2032	depends on BROKEN_ON_SMP
2033	help
2034	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2035	  mode.
2036
2037config KVM_GUEST_TIMER_FREQ
2038	int "Count/Compare Timer Frequency (MHz)"
2039	depends on KVM_GUEST
2040	default 100
2041	help
2042	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2043	  emulation when determining guest CPU Frequency. Instead, the guest's
2044	  timer frequency is specified directly.
2045
2046choice
2047	prompt "Kernel page size"
2048	default PAGE_SIZE_4KB
2049
2050config PAGE_SIZE_4KB
2051	bool "4kB"
2052	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2053	help
2054	 This option select the standard 4kB Linux page size.  On some
2055	 R3000-family processors this is the only available page size.  Using
2056	 4kB page size will minimize memory consumption and is therefore
2057	 recommended for low memory systems.
2058
2059config PAGE_SIZE_8KB
2060	bool "8kB"
2061	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2062	help
2063	  Using 8kB page size will result in higher performance kernel at
2064	  the price of higher memory consumption.  This option is available
2065	  only on R8000 and cnMIPS processors.  Note that you will need a
2066	  suitable Linux distribution to support this.
2067
2068config PAGE_SIZE_16KB
2069	bool "16kB"
2070	depends on !CPU_R3000 && !CPU_TX39XX
2071	help
2072	  Using 16kB page size will result in higher performance kernel at
2073	  the price of higher memory consumption.  This option is available on
2074	  all non-R3000 family processors.  Note that you will need a suitable
2075	  Linux distribution to support this.
2076
2077config PAGE_SIZE_32KB
2078	bool "32kB"
2079	depends on CPU_CAVIUM_OCTEON
2080	help
2081	  Using 32kB page size will result in higher performance kernel at
2082	  the price of higher memory consumption.  This option is available
2083	  only on cnMIPS cores.  Note that you will need a suitable Linux
2084	  distribution to support this.
2085
2086config PAGE_SIZE_64KB
2087	bool "64kB"
2088	depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2089	help
2090	  Using 64kB page size will result in higher performance kernel at
2091	  the price of higher memory consumption.  This option is available on
2092	  all non-R3000 family processor.  Not that at the time of this
2093	  writing this option is still high experimental.
2094
2095endchoice
2096
2097config FORCE_MAX_ZONEORDER
2098	int "Maximum zone order"
2099	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2100	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2101	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2102	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2105	range 11 64
2106	default "11"
2107	help
2108	  The kernel memory allocator divides physically contiguous memory
2109	  blocks into "zones", where each zone is a power of two number of
2110	  pages.  This option selects the largest power of two that the kernel
2111	  keeps in the memory allocator.  If you need to allocate very large
2112	  blocks of physically contiguous memory, then you may need to
2113	  increase this value.
2114
2115	  This config option is actually maximum order plus one. For example,
2116	  a value of 11 means that the largest free memory block is 2^10 pages.
2117
2118	  The page size is not necessarily 4KB.  Keep this in mind
2119	  when choosing a value for this option.
2120
2121config BOARD_SCACHE
2122	bool
2123
2124config IP22_CPU_SCACHE
2125	bool
2126	select BOARD_SCACHE
2127
2128#
2129# Support for a MIPS32 / MIPS64 style S-caches
2130#
2131config MIPS_CPU_SCACHE
2132	bool
2133	select BOARD_SCACHE
2134
2135config R5000_CPU_SCACHE
2136	bool
2137	select BOARD_SCACHE
2138
2139config RM7000_CPU_SCACHE
2140	bool
2141	select BOARD_SCACHE
2142
2143config SIBYTE_DMA_PAGEOPS
2144	bool "Use DMA to clear/copy pages"
2145	depends on CPU_SB1
2146	help
2147	  Instead of using the CPU to zero and copy pages, use a Data Mover
2148	  channel.  These DMA channels are otherwise unused by the standard
2149	  SiByte Linux port.  Seems to give a small performance benefit.
2150
2151config CPU_HAS_PREFETCH
2152	bool
2153
2154config CPU_GENERIC_DUMP_TLB
2155	bool
2156	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2157
2158config CPU_R4K_FPU
2159	bool
2160	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2161
2162config CPU_R4K_CACHE_TLB
2163	bool
2164	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2165
2166config MIPS_MT_SMP
2167	bool "MIPS MT SMP support (1 TC on each available VPE)"
2168	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2169	select CPU_MIPSR2_IRQ_VI
2170	select CPU_MIPSR2_IRQ_EI
2171	select SYNC_R4K
2172	select MIPS_GIC_IPI if MIPS_GIC
2173	select MIPS_MT
2174	select SMP
2175	select SMP_UP
2176	select SYS_SUPPORTS_SMP
2177	select SYS_SUPPORTS_SCHED_SMT
2178	select MIPS_PERF_SHARED_TC_COUNTERS
2179	help
2180	  This is a kernel model which is known as SMVP. This is supported
2181	  on cores with the MT ASE and uses the available VPEs to implement
2182	  virtual processors which supports SMP. This is equivalent to the
2183	  Intel Hyperthreading feature. For further information go to
2184	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2185
2186config MIPS_MT
2187	bool
2188
2189config SCHED_SMT
2190	bool "SMT (multithreading) scheduler support"
2191	depends on SYS_SUPPORTS_SCHED_SMT
2192	default n
2193	help
2194	  SMT scheduler support improves the CPU scheduler's decision making
2195	  when dealing with MIPS MT enabled cores at a cost of slightly
2196	  increased overhead in some places. If unsure say N here.
2197
2198config SYS_SUPPORTS_SCHED_SMT
2199	bool
2200
2201config SYS_SUPPORTS_MULTITHREADING
2202	bool
2203
2204config MIPS_MT_FPAFF
2205	bool "Dynamic FPU affinity for FP-intensive threads"
2206	default y
2207	depends on MIPS_MT_SMP
2208
2209config MIPSR2_TO_R6_EMULATOR
2210	bool "MIPS R2-to-R6 emulator"
2211	depends on CPU_MIPSR6 && !SMP
2212	default y
2213	help
2214	  Choose this option if you want to run non-R6 MIPS userland code.
2215	  Even if you say 'Y' here, the emulator will still be disabled by
2216	  default. You can enable it using the 'mipsr2emu' kernel option.
2217	  The only reason this is a build-time option is to save ~14K from the
2218	  final kernel image.
2219comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2220	depends on SMP && CPU_MIPSR6
2221
2222config MIPS_VPE_LOADER
2223	bool "VPE loader support."
2224	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2225	select CPU_MIPSR2_IRQ_VI
2226	select CPU_MIPSR2_IRQ_EI
2227	select MIPS_MT
2228	help
2229	  Includes a loader for loading an elf relocatable object
2230	  onto another VPE and running it.
2231
2232config MIPS_VPE_LOADER_CMP
2233	bool
2234	default "y"
2235	depends on MIPS_VPE_LOADER && MIPS_CMP
2236
2237config MIPS_VPE_LOADER_MT
2238	bool
2239	default "y"
2240	depends on MIPS_VPE_LOADER && !MIPS_CMP
2241
2242config MIPS_VPE_LOADER_TOM
2243	bool "Load VPE program into memory hidden from linux"
2244	depends on MIPS_VPE_LOADER
2245	default y
2246	help
2247	  The loader can use memory that is present but has been hidden from
2248	  Linux using the kernel command line option "mem=xxMB". It's up to
2249	  you to ensure the amount you put in the option and the space your
2250	  program requires is less or equal to the amount physically present.
2251
2252config MIPS_VPE_APSP_API
2253	bool "Enable support for AP/SP API (RTLX)"
2254	depends on MIPS_VPE_LOADER
2255	help
2256
2257config MIPS_VPE_APSP_API_CMP
2258	bool
2259	default "y"
2260	depends on MIPS_VPE_APSP_API && MIPS_CMP
2261
2262config MIPS_VPE_APSP_API_MT
2263	bool
2264	default "y"
2265	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2266
2267config MIPS_CMP
2268	bool "MIPS CMP framework support (DEPRECATED)"
2269	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2270	select MIPS_GIC_IPI if MIPS_GIC
2271	select SMP
2272	select SYNC_R4K
2273	select SYS_SUPPORTS_SMP
2274	select WEAK_ORDERING
2275	default n
2276	help
2277	  Select this if you are using a bootloader which implements the "CMP
2278	  framework" protocol (ie. YAMON) and want your kernel to make use of
2279	  its ability to start secondary CPUs.
2280
2281	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2282	  instead of this.
2283
2284config MIPS_CPS
2285	bool "MIPS Coherent Processing System support"
2286	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2287	select MIPS_CM
2288	select MIPS_CPC
2289	select MIPS_CPS_PM if HOTPLUG_CPU
2290	select MIPS_GIC_IPI if MIPS_GIC
2291	select SMP
2292	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2293	select SYS_SUPPORTS_HOTPLUG_CPU
2294	select SYS_SUPPORTS_SMP
2295	select WEAK_ORDERING
2296	help
2297	  Select this if you wish to run an SMP kernel across multiple cores
2298	  within a MIPS Coherent Processing System. When this option is
2299	  enabled the kernel will probe for other cores and boot them with
2300	  no external assistance. It is safe to enable this when hardware
2301	  support is unavailable.
2302
2303config MIPS_CPS_PM
2304	depends on MIPS_CPS
2305	select MIPS_CPC
2306	bool
2307
2308config MIPS_GIC_IPI
2309	depends on MIPS_GIC
2310	bool
2311
2312config MIPS_CM
2313	bool
2314
2315config MIPS_CPC
2316	bool
2317
2318config SB1_PASS_2_WORKAROUNDS
2319	bool
2320	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2321	default y
2322
2323config SB1_PASS_2_1_WORKAROUNDS
2324	bool
2325	depends on CPU_SB1 && CPU_SB1_PASS_2
2326	default y
2327
2328
2329config ARCH_PHYS_ADDR_T_64BIT
2330       bool
2331
2332choice
2333	prompt "SmartMIPS or microMIPS ASE support"
2334
2335config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2336	bool "None"
2337	help
2338	  Select this if you want neither microMIPS nor SmartMIPS support
2339
2340config CPU_HAS_SMARTMIPS
2341	depends on SYS_SUPPORTS_SMARTMIPS
2342	bool "SmartMIPS"
2343	help
2344	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2345	  increased security at both hardware and software level for
2346	  smartcards.  Enabling this option will allow proper use of the
2347	  SmartMIPS instructions by Linux applications.  However a kernel with
2348	  this option will not work on a MIPS core without SmartMIPS core.  If
2349	  you don't know you probably don't have SmartMIPS and should say N
2350	  here.
2351
2352config CPU_MICROMIPS
2353	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2354	bool "microMIPS"
2355	help
2356	  When this option is enabled the kernel will be built using the
2357	  microMIPS ISA
2358
2359endchoice
2360
2361config CPU_HAS_MSA
2362	bool "Support for the MIPS SIMD Architecture"
2363	depends on CPU_SUPPORTS_MSA
2364	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2365	help
2366	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2367	  and a set of SIMD instructions to operate on them. When this option
2368	  is enabled the kernel will support allocating & switching MSA
2369	  vector register contexts. If you know that your kernel will only be
2370	  running on CPUs which do not support MSA or that your userland will
2371	  not be making use of it then you may wish to say N here to reduce
2372	  the size & complexity of your kernel.
2373
2374	  If unsure, say Y.
2375
2376config CPU_HAS_WB
2377	bool
2378
2379config XKS01
2380	bool
2381
2382#
2383# Vectored interrupt mode is an R2 feature
2384#
2385config CPU_MIPSR2_IRQ_VI
2386	bool
2387
2388#
2389# Extended interrupt mode is an R2 feature
2390#
2391config CPU_MIPSR2_IRQ_EI
2392	bool
2393
2394config CPU_HAS_SYNC
2395	bool
2396	depends on !CPU_R3000
2397	default y
2398
2399#
2400# CPU non-features
2401#
2402config CPU_DADDI_WORKAROUNDS
2403	bool
2404
2405config CPU_R4000_WORKAROUNDS
2406	bool
2407	select CPU_R4400_WORKAROUNDS
2408
2409config CPU_R4400_WORKAROUNDS
2410	bool
2411
2412#
2413# - Highmem only makes sense for the 32-bit kernel.
2414# - The current highmem code will only work properly on physically indexed
2415#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2416#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2417#   moment we protect the user and offer the highmem option only on machines
2418#   where it's known to be safe.  This will not offer highmem on a few systems
2419#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2420#   indexed CPUs but we're playing safe.
2421# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2422#   know they might have memory configurations that could make use of highmem
2423#   support.
2424#
2425config HIGHMEM
2426	bool "High Memory Support"
2427	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2428
2429config CPU_SUPPORTS_HIGHMEM
2430	bool
2431
2432config SYS_SUPPORTS_HIGHMEM
2433	bool
2434
2435config SYS_SUPPORTS_SMARTMIPS
2436	bool
2437
2438config SYS_SUPPORTS_MICROMIPS
2439	bool
2440
2441config SYS_SUPPORTS_MIPS16
2442	bool
2443	help
2444	  This option must be set if a kernel might be executed on a MIPS16-
2445	  enabled CPU even if MIPS16 is not actually being used.  In other
2446	  words, it makes the kernel MIPS16-tolerant.
2447
2448config CPU_SUPPORTS_MSA
2449	bool
2450
2451config ARCH_FLATMEM_ENABLE
2452	def_bool y
2453	depends on !NUMA && !CPU_LOONGSON2
2454
2455config ARCH_DISCONTIGMEM_ENABLE
2456	bool
2457	default y if SGI_IP27
2458	help
2459	  Say Y to support efficient handling of discontiguous physical memory,
2460	  for architectures which are either NUMA (Non-Uniform Memory Access)
2461	  or have huge holes in the physical address space for other reasons.
2462	  See <file:Documentation/vm/numa> for more.
2463
2464config ARCH_SPARSEMEM_ENABLE
2465	bool
2466	select SPARSEMEM_STATIC
2467
2468config NUMA
2469	bool "NUMA Support"
2470	depends on SYS_SUPPORTS_NUMA
2471	help
2472	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2473	  Access).  This option improves performance on systems with more
2474	  than two nodes; on two node systems it is generally better to
2475	  leave it disabled; on single node systems disable this option
2476	  disabled.
2477
2478config SYS_SUPPORTS_NUMA
2479	bool
2480
2481config NODES_SHIFT
2482	int
2483	default "6"
2484	depends on NEED_MULTIPLE_NODES
2485
2486config HW_PERF_EVENTS
2487	bool "Enable hardware performance counter support for perf events"
2488	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2489	default y
2490	help
2491	  Enable hardware performance counter support for perf events. If
2492	  disabled, perf events will use software events only.
2493
2494source "mm/Kconfig"
2495
2496config SMP
2497	bool "Multi-Processing support"
2498	depends on SYS_SUPPORTS_SMP
2499	help
2500	  This enables support for systems with more than one CPU. If you have
2501	  a system with only one CPU, say N. If you have a system with more
2502	  than one CPU, say Y.
2503
2504	  If you say N here, the kernel will run on uni- and multiprocessor
2505	  machines, but will use only one CPU of a multiprocessor machine. If
2506	  you say Y here, the kernel will run on many, but not all,
2507	  uniprocessor machines. On a uniprocessor machine, the kernel
2508	  will run faster if you say N here.
2509
2510	  People using multiprocessor machines who say Y here should also say
2511	  Y to "Enhanced Real Time Clock Support", below.
2512
2513	  See also the SMP-HOWTO available at
2514	  <http://www.tldp.org/docs.html#howto>.
2515
2516	  If you don't know what to do here, say N.
2517
2518config SMP_UP
2519	bool
2520
2521config SYS_SUPPORTS_MIPS_CMP
2522	bool
2523
2524config SYS_SUPPORTS_MIPS_CPS
2525	bool
2526
2527config SYS_SUPPORTS_SMP
2528	bool
2529
2530config NR_CPUS_DEFAULT_4
2531	bool
2532
2533config NR_CPUS_DEFAULT_8
2534	bool
2535
2536config NR_CPUS_DEFAULT_16
2537	bool
2538
2539config NR_CPUS_DEFAULT_32
2540	bool
2541
2542config NR_CPUS_DEFAULT_64
2543	bool
2544
2545config NR_CPUS
2546	int "Maximum number of CPUs (2-256)"
2547	range 2 256
2548	depends on SMP
2549	default "4" if NR_CPUS_DEFAULT_4
2550	default "8" if NR_CPUS_DEFAULT_8
2551	default "16" if NR_CPUS_DEFAULT_16
2552	default "32" if NR_CPUS_DEFAULT_32
2553	default "64" if NR_CPUS_DEFAULT_64
2554	help
2555	  This allows you to specify the maximum number of CPUs which this
2556	  kernel will support.  The maximum supported value is 32 for 32-bit
2557	  kernel and 64 for 64-bit kernels; the minimum value which makes
2558	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2559	  and 2 for all others.
2560
2561	  This is purely to save memory - each supported CPU adds
2562	  approximately eight kilobytes to the kernel image.  For best
2563	  performance should round up your number of processors to the next
2564	  power of two.
2565
2566config MIPS_PERF_SHARED_TC_COUNTERS
2567	bool
2568
2569#
2570# Timer Interrupt Frequency Configuration
2571#
2572
2573choice
2574	prompt "Timer frequency"
2575	default HZ_250
2576	help
2577	 Allows the configuration of the timer frequency.
2578
2579	config HZ_24
2580		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2581
2582	config HZ_48
2583		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2584
2585	config HZ_100
2586		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2587
2588	config HZ_128
2589		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2590
2591	config HZ_250
2592		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2593
2594	config HZ_256
2595		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2596
2597	config HZ_1000
2598		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2599
2600	config HZ_1024
2601		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2602
2603endchoice
2604
2605config SYS_SUPPORTS_24HZ
2606	bool
2607
2608config SYS_SUPPORTS_48HZ
2609	bool
2610
2611config SYS_SUPPORTS_100HZ
2612	bool
2613
2614config SYS_SUPPORTS_128HZ
2615	bool
2616
2617config SYS_SUPPORTS_250HZ
2618	bool
2619
2620config SYS_SUPPORTS_256HZ
2621	bool
2622
2623config SYS_SUPPORTS_1000HZ
2624	bool
2625
2626config SYS_SUPPORTS_1024HZ
2627	bool
2628
2629config SYS_SUPPORTS_ARBIT_HZ
2630	bool
2631	default y if !SYS_SUPPORTS_24HZ && \
2632		     !SYS_SUPPORTS_48HZ && \
2633		     !SYS_SUPPORTS_100HZ && \
2634		     !SYS_SUPPORTS_128HZ && \
2635		     !SYS_SUPPORTS_250HZ && \
2636		     !SYS_SUPPORTS_256HZ && \
2637		     !SYS_SUPPORTS_1000HZ && \
2638		     !SYS_SUPPORTS_1024HZ
2639
2640config HZ
2641	int
2642	default 24 if HZ_24
2643	default 48 if HZ_48
2644	default 100 if HZ_100
2645	default 128 if HZ_128
2646	default 250 if HZ_250
2647	default 256 if HZ_256
2648	default 1000 if HZ_1000
2649	default 1024 if HZ_1024
2650
2651config SCHED_HRTICK
2652	def_bool HIGH_RES_TIMERS
2653
2654source "kernel/Kconfig.preempt"
2655
2656config KEXEC
2657	bool "Kexec system call"
2658	select KEXEC_CORE
2659	help
2660	  kexec is a system call that implements the ability to shutdown your
2661	  current kernel, and to start another kernel.  It is like a reboot
2662	  but it is independent of the system firmware.   And like a reboot
2663	  you can start any kernel with it, not just Linux.
2664
2665	  The name comes from the similarity to the exec system call.
2666
2667	  It is an ongoing process to be certain the hardware in a machine
2668	  is properly shutdown, so do not be surprised if this code does not
2669	  initially work for you.  As of this writing the exact hardware
2670	  interface is strongly in flux, so no good recommendation can be
2671	  made.
2672
2673config CRASH_DUMP
2674	  bool "Kernel crash dumps"
2675	  help
2676	  Generate crash dump after being started by kexec.
2677	  This should be normally only set in special crash dump kernels
2678	  which are loaded in the main kernel with kexec-tools into
2679	  a specially reserved region and then later executed after
2680	  a crash by kdump/kexec. The crash dump kernel must be compiled
2681	  to a memory address not used by the main kernel or firmware using
2682	  PHYSICAL_START.
2683
2684config PHYSICAL_START
2685	  hex "Physical address where the kernel is loaded"
2686	  default "0xffffffff84000000" if 64BIT
2687	  default "0x84000000" if 32BIT
2688	  depends on CRASH_DUMP
2689	  help
2690	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2691	  If you plan to use kernel for capturing the crash dump change
2692	  this value to start of the reserved region (the "X" value as
2693	  specified in the "crashkernel=YM@XM" command line boot parameter
2694	  passed to the panic-ed kernel).
2695
2696config SECCOMP
2697	bool "Enable seccomp to safely compute untrusted bytecode"
2698	depends on PROC_FS
2699	default y
2700	help
2701	  This kernel feature is useful for number crunching applications
2702	  that may need to compute untrusted bytecode during their
2703	  execution. By using pipes or other transports made available to
2704	  the process as file descriptors supporting the read/write
2705	  syscalls, it's possible to isolate those applications in
2706	  their own address space using seccomp. Once seccomp is
2707	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2708	  and the task is only allowed to execute a few safe syscalls
2709	  defined by each seccomp mode.
2710
2711	  If unsure, say Y. Only embedded should say N here.
2712
2713config MIPS_O32_FP64_SUPPORT
2714	bool "Support for O32 binaries using 64-bit FP"
2715	depends on 32BIT || MIPS32_O32
2716	help
2717	  When this is enabled, the kernel will support use of 64-bit floating
2718	  point registers with binaries using the O32 ABI along with the
2719	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2720	  32-bit MIPS systems this support is at the cost of increasing the
2721	  size and complexity of the compiled FPU emulator. Thus if you are
2722	  running a MIPS32 system and know that none of your userland binaries
2723	  will require 64-bit floating point, you may wish to reduce the size
2724	  of your kernel & potentially improve FP emulation performance by
2725	  saying N here.
2726
2727	  Although binutils currently supports use of this flag the details
2728	  concerning its effect upon the O32 ABI in userland are still being
2729	  worked on. In order to avoid userland becoming dependant upon current
2730	  behaviour before the details have been finalised, this option should
2731	  be considered experimental and only enabled by those working upon
2732	  said details.
2733
2734	  If unsure, say N.
2735
2736config USE_OF
2737	bool
2738	select OF
2739	select OF_EARLY_FLATTREE
2740	select IRQ_DOMAIN
2741
2742config BUILTIN_DTB
2743	bool
2744
2745choice
2746	prompt "Kernel appended dtb support" if USE_OF
2747	default MIPS_NO_APPENDED_DTB
2748
2749	config MIPS_NO_APPENDED_DTB
2750		bool "None"
2751		help
2752		  Do not enable appended dtb support.
2753
2754	config MIPS_ELF_APPENDED_DTB
2755		bool "vmlinux"
2756		help
2757		  With this option, the boot code will look for a device tree binary
2758		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2759		  it is empty and the DTB can be appended using binutils command
2760		  objcopy:
2761
2762		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2763
2764		  This is meant as a backward compatiblity convenience for those
2765		  systems with a bootloader that can't be upgraded to accommodate
2766		  the documented boot protocol using a device tree.
2767
2768	config MIPS_RAW_APPENDED_DTB
2769		bool "vmlinux.bin"
2770		help
2771		  With this option, the boot code will look for a device tree binary
2772		  DTB) appended to raw vmlinux.bin (without decompressor).
2773		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2774
2775		  This is meant as a backward compatibility convenience for those
2776		  systems with a bootloader that can't be upgraded to accommodate
2777		  the documented boot protocol using a device tree.
2778
2779		  Beware that there is very little in terms of protection against
2780		  this option being confused by leftover garbage in memory that might
2781		  look like a DTB header after a reboot if no actual DTB is appended
2782		  to vmlinux.bin.  Do not leave this option active in a production kernel
2783		  if you don't intend to always append a DTB.
2784
2785	config MIPS_ZBOOT_APPENDED_DTB
2786		bool "vmlinuz.bin"
2787		depends on SYS_SUPPORTS_ZBOOT
2788		help
2789		  With this option, the boot code will look for a device tree binary
2790		  DTB) appended to raw vmlinuz.bin (with decompressor).
2791		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2792
2793		  This is meant as a backward compatibility convenience for those
2794		  systems with a bootloader that can't be upgraded to accommodate
2795		  the documented boot protocol using a device tree.
2796
2797		  Beware that there is very little in terms of protection against
2798		  this option being confused by leftover garbage in memory that might
2799		  look like a DTB header after a reboot if no actual DTB is appended
2800		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2801		  if you don't intend to always append a DTB.
2802endchoice
2803
2804choice
2805	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2806	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2807					 !MIPS_MALTA && !MIPS_SEAD3 && \
2808					 !CAVIUM_OCTEON_SOC
2809	default MIPS_CMDLINE_FROM_BOOTLOADER
2810
2811	config MIPS_CMDLINE_FROM_DTB
2812		depends on USE_OF
2813		bool "Dtb kernel arguments if available"
2814
2815	config MIPS_CMDLINE_DTB_EXTEND
2816		depends on USE_OF
2817		bool "Extend dtb kernel arguments with bootloader arguments"
2818
2819	config MIPS_CMDLINE_FROM_BOOTLOADER
2820		bool "Bootloader kernel arguments if available"
2821endchoice
2822
2823endmenu
2824
2825config LOCKDEP_SUPPORT
2826	bool
2827	default y
2828
2829config STACKTRACE_SUPPORT
2830	bool
2831	default y
2832
2833config HAVE_LATENCYTOP_SUPPORT
2834	bool
2835	default y
2836
2837config PGTABLE_LEVELS
2838	int
2839	default 3 if 64BIT && !PAGE_SIZE_64KB
2840	default 2
2841
2842source "init/Kconfig"
2843
2844source "kernel/Kconfig.freezer"
2845
2846menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2847
2848config HW_HAS_EISA
2849	bool
2850config HW_HAS_PCI
2851	bool
2852
2853config PCI
2854	bool "Support for PCI controller"
2855	depends on HW_HAS_PCI
2856	select PCI_DOMAINS
2857	select NO_GENERIC_PCI_IOPORT_MAP
2858	help
2859	  Find out whether you have a PCI motherboard. PCI is the name of a
2860	  bus system, i.e. the way the CPU talks to the other stuff inside
2861	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2862	  say Y, otherwise N.
2863
2864config HT_PCI
2865	bool "Support for HT-linked PCI"
2866	default y
2867	depends on CPU_LOONGSON3
2868	select PCI
2869	select PCI_DOMAINS
2870	help
2871	  Loongson family machines use Hyper-Transport bus for inter-core
2872	  connection and device connection. The PCI bus is a subordinate
2873	  linked at HT. Choose Y for Loongson-3 based machines.
2874
2875config PCI_DOMAINS
2876	bool
2877
2878source "drivers/pci/Kconfig"
2879
2880source "drivers/pci/pcie/Kconfig"
2881
2882#
2883# ISA support is now enabled via select.  Too many systems still have the one
2884# or other ISA chip on the board that users don't know about so don't expect
2885# users to choose the right thing ...
2886#
2887config ISA
2888	bool
2889
2890config EISA
2891	bool "EISA support"
2892	depends on HW_HAS_EISA
2893	select ISA
2894	select GENERIC_ISA_DMA
2895	---help---
2896	  The Extended Industry Standard Architecture (EISA) bus was
2897	  developed as an open alternative to the IBM MicroChannel bus.
2898
2899	  The EISA bus provided some of the features of the IBM MicroChannel
2900	  bus while maintaining backward compatibility with cards made for
2901	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2902	  1995 when it was made obsolete by the PCI bus.
2903
2904	  Say Y here if you are building a kernel for an EISA-based machine.
2905
2906	  Otherwise, say N.
2907
2908source "drivers/eisa/Kconfig"
2909
2910config TC
2911	bool "TURBOchannel support"
2912	depends on MACH_DECSTATION
2913	help
2914	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2915	  processors.  TURBOchannel programming specifications are available
2916	  at:
2917	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2918	  and:
2919	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2920	  Linux driver support status is documented at:
2921	  <http://www.linux-mips.org/wiki/DECstation>
2922
2923config MMU
2924	bool
2925	default y
2926
2927config I8253
2928	bool
2929	select CLKSRC_I8253
2930	select CLKEVT_I8253
2931	select MIPS_EXTERNAL_TIMER
2932
2933config ZONE_DMA
2934	bool
2935
2936config ZONE_DMA32
2937	bool
2938
2939source "drivers/pcmcia/Kconfig"
2940
2941source "drivers/pci/hotplug/Kconfig"
2942
2943config RAPIDIO
2944	tristate "RapidIO support"
2945	depends on PCI
2946	default n
2947	help
2948	  If you say Y here, the kernel will include drivers and
2949	  infrastructure code to support RapidIO interconnect devices.
2950
2951source "drivers/rapidio/Kconfig"
2952
2953endmenu
2954
2955menu "Executable file formats"
2956
2957source "fs/Kconfig.binfmt"
2958
2959config TRAD_SIGNALS
2960	bool
2961
2962config MIPS32_COMPAT
2963	bool
2964
2965config COMPAT
2966	bool
2967
2968config SYSVIPC_COMPAT
2969	bool
2970
2971config MIPS32_O32
2972	bool "Kernel support for o32 binaries"
2973	depends on 64BIT
2974	select ARCH_WANT_OLD_COMPAT_IPC
2975	select COMPAT
2976	select MIPS32_COMPAT
2977	select SYSVIPC_COMPAT if SYSVIPC
2978	help
2979	  Select this option if you want to run o32 binaries.  These are pure
2980	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2981	  existing binaries are in this format.
2982
2983	  If unsure, say Y.
2984
2985config MIPS32_N32
2986	bool "Kernel support for n32 binaries"
2987	depends on 64BIT
2988	select COMPAT
2989	select MIPS32_COMPAT
2990	select SYSVIPC_COMPAT if SYSVIPC
2991	help
2992	  Select this option if you want to run n32 binaries.  These are
2993	  64-bit binaries using 32-bit quantities for addressing and certain
2994	  data that would normally be 64-bit.  They are used in special
2995	  cases.
2996
2997	  If unsure, say N.
2998
2999config BINFMT_ELF32
3000	bool
3001	default y if MIPS32_O32 || MIPS32_N32
3002
3003endmenu
3004
3005menu "Power management options"
3006
3007config ARCH_HIBERNATION_POSSIBLE
3008	def_bool y
3009	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3010
3011config ARCH_SUSPEND_POSSIBLE
3012	def_bool y
3013	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3014
3015source "kernel/power/Kconfig"
3016
3017endmenu
3018
3019config MIPS_EXTERNAL_TIMER
3020	bool
3021
3022menu "CPU Power Management"
3023
3024if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3025source "drivers/cpufreq/Kconfig"
3026endif
3027
3028source "drivers/cpuidle/Kconfig"
3029
3030endmenu
3031
3032source "net/Kconfig"
3033
3034source "drivers/Kconfig"
3035
3036source "drivers/firmware/Kconfig"
3037
3038source "fs/Kconfig"
3039
3040source "arch/mips/Kconfig.debug"
3041
3042source "security/Kconfig"
3043
3044source "crypto/Kconfig"
3045
3046source "lib/Kconfig"
3047
3048source "arch/mips/kvm/Kconfig"
3049