xref: /linux/arch/mips/Kconfig (revision 2572f00db8a68bb46001678c1c98ad8b70e04b31)
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_ATTRS
35	select HAVE_DMA_CONTIGUOUS
36	select HAVE_DMA_API_DEBUG
37	select GENERIC_IRQ_PROBE
38	select GENERIC_IRQ_SHOW
39	select GENERIC_PCI_IOMAP
40	select HAVE_ARCH_JUMP_LABEL
41	select ARCH_WANT_IPC_PARSE_VERSION
42	select IRQ_FORCED_THREADING
43	select HAVE_MEMBLOCK
44	select HAVE_MEMBLOCK_NODE_MAP
45	select ARCH_DISCARD_MEMBLOCK
46	select GENERIC_SMP_IDLE_THREAD
47	select BUILDTIME_EXTABLE_SORT
48	select GENERIC_CLOCKEVENTS
49	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
50	select GENERIC_CMOS_UPDATE
51	select HAVE_MOD_ARCH_SPECIFIC
52	select VIRT_TO_BUS
53	select MODULES_USE_ELF_REL if MODULES
54	select MODULES_USE_ELF_RELA if MODULES && 64BIT
55	select CLONE_BACKWARDS
56	select HAVE_DEBUG_STACKOVERFLOW
57	select HAVE_CC_STACKPROTECTOR
58	select CPU_PM if CPU_IDLE
59	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
60	select ARCH_BINFMT_ELF_STATE
61	select SYSCTL_EXCEPTION_TRACE
62	select HAVE_VIRT_CPU_ACCOUNTING_GEN
63	select HAVE_IRQ_TIME_ACCOUNTING
64	select GENERIC_TIME_VSYSCALL
65	select ARCH_CLOCKSOURCE_DATA
66
67menu "Machine selection"
68
69choice
70	prompt "System type"
71	default SGI_IP22
72
73config MIPS_ALCHEMY
74	bool "Alchemy processor based machines"
75	select ARCH_PHYS_ADDR_T_64BIT
76	select CEVT_R4K
77	select CSRC_R4K
78	select IRQ_MIPS_CPU
79	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
80	select SYS_HAS_CPU_MIPS32_R1
81	select SYS_SUPPORTS_32BIT_KERNEL
82	select SYS_SUPPORTS_APM_EMULATION
83	select ARCH_REQUIRE_GPIOLIB
84	select SYS_SUPPORTS_ZBOOT
85	select COMMON_CLK
86
87config AR7
88	bool "Texas Instruments AR7"
89	select BOOT_ELF32
90	select DMA_NONCOHERENT
91	select CEVT_R4K
92	select CSRC_R4K
93	select IRQ_MIPS_CPU
94	select NO_EXCEPT_FILL
95	select SWAP_IO_SPACE
96	select SYS_HAS_CPU_MIPS32_R1
97	select SYS_HAS_EARLY_PRINTK
98	select SYS_SUPPORTS_32BIT_KERNEL
99	select SYS_SUPPORTS_LITTLE_ENDIAN
100	select SYS_SUPPORTS_MIPS16
101	select SYS_SUPPORTS_ZBOOT_UART16550
102	select ARCH_REQUIRE_GPIOLIB
103	select VLYNQ
104	select HAVE_CLK
105	help
106	  Support for the Texas Instruments AR7 System-on-a-Chip
107	  family: TNETD7100, 7200 and 7300.
108
109config ATH25
110	bool "Atheros AR231x/AR531x SoC support"
111	select CEVT_R4K
112	select CSRC_R4K
113	select DMA_NONCOHERENT
114	select IRQ_MIPS_CPU
115	select IRQ_DOMAIN
116	select SYS_HAS_CPU_MIPS32_R1
117	select SYS_SUPPORTS_BIG_ENDIAN
118	select SYS_SUPPORTS_32BIT_KERNEL
119	select SYS_HAS_EARLY_PRINTK
120	help
121	  Support for Atheros AR231x and Atheros AR531x based boards
122
123config ATH79
124	bool "Atheros AR71XX/AR724X/AR913X based boards"
125	select ARCH_HAS_RESET_CONTROLLER
126	select ARCH_REQUIRE_GPIOLIB
127	select BOOT_RAW
128	select CEVT_R4K
129	select CSRC_R4K
130	select DMA_NONCOHERENT
131	select HAVE_CLK
132	select COMMON_CLK
133	select CLKDEV_LOOKUP
134	select IRQ_MIPS_CPU
135	select MIPS_MACHINE
136	select SYS_HAS_CPU_MIPS32_R2
137	select SYS_HAS_EARLY_PRINTK
138	select SYS_SUPPORTS_32BIT_KERNEL
139	select SYS_SUPPORTS_BIG_ENDIAN
140	select SYS_SUPPORTS_MIPS16
141	select SYS_SUPPORTS_ZBOOT
142	select USE_OF
143	help
144	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
145
146config BMIPS_GENERIC
147	bool "Broadcom Generic BMIPS kernel"
148	select BOOT_RAW
149	select NO_EXCEPT_FILL
150	select USE_OF
151	select CEVT_R4K
152	select CSRC_R4K
153	select SYNC_R4K
154	select COMMON_CLK
155	select BCM7038_L1_IRQ
156	select BCM7120_L2_IRQ
157	select BRCMSTB_L2_IRQ
158	select IRQ_MIPS_CPU
159	select DMA_NONCOHERENT
160	select SYS_SUPPORTS_32BIT_KERNEL
161	select SYS_SUPPORTS_LITTLE_ENDIAN
162	select SYS_SUPPORTS_BIG_ENDIAN
163	select SYS_SUPPORTS_HIGHMEM
164	select SYS_HAS_CPU_BMIPS32_3300
165	select SYS_HAS_CPU_BMIPS4350
166	select SYS_HAS_CPU_BMIPS4380
167	select SYS_HAS_CPU_BMIPS5000
168	select SWAP_IO_SPACE
169	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
170	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
171	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
172	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
173	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 CPU_LOONGSON2
1769	bool
1770	select CPU_SUPPORTS_32BIT_KERNEL
1771	select CPU_SUPPORTS_64BIT_KERNEL
1772	select CPU_SUPPORTS_HIGHMEM
1773	select CPU_SUPPORTS_HUGEPAGES
1774
1775config CPU_LOONGSON1
1776	bool
1777	select CPU_MIPS32
1778	select CPU_MIPSR2
1779	select CPU_HAS_PREFETCH
1780	select CPU_SUPPORTS_32BIT_KERNEL
1781	select CPU_SUPPORTS_HIGHMEM
1782	select CPU_SUPPORTS_CPUFREQ
1783
1784config CPU_BMIPS32_3300
1785	select SMP_UP if SMP
1786	bool
1787
1788config CPU_BMIPS4350
1789	bool
1790	select SYS_SUPPORTS_SMP
1791	select SYS_SUPPORTS_HOTPLUG_CPU
1792
1793config CPU_BMIPS4380
1794	bool
1795	select MIPS_L1_CACHE_SHIFT_6
1796	select SYS_SUPPORTS_SMP
1797	select SYS_SUPPORTS_HOTPLUG_CPU
1798
1799config CPU_BMIPS5000
1800	bool
1801	select MIPS_CPU_SCACHE
1802	select MIPS_L1_CACHE_SHIFT_7
1803	select SYS_SUPPORTS_SMP
1804	select SYS_SUPPORTS_HOTPLUG_CPU
1805
1806config SYS_HAS_CPU_LOONGSON3
1807	bool
1808	select CPU_SUPPORTS_CPUFREQ
1809
1810config SYS_HAS_CPU_LOONGSON2E
1811	bool
1812
1813config SYS_HAS_CPU_LOONGSON2F
1814	bool
1815	select CPU_SUPPORTS_CPUFREQ
1816	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1817	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1818
1819config SYS_HAS_CPU_LOONGSON1B
1820	bool
1821
1822config SYS_HAS_CPU_MIPS32_R1
1823	bool
1824
1825config SYS_HAS_CPU_MIPS32_R2
1826	bool
1827
1828config SYS_HAS_CPU_MIPS32_R3_5
1829	bool
1830
1831config SYS_HAS_CPU_MIPS32_R5
1832	bool
1833
1834config SYS_HAS_CPU_MIPS32_R6
1835	bool
1836
1837config SYS_HAS_CPU_MIPS64_R1
1838	bool
1839
1840config SYS_HAS_CPU_MIPS64_R2
1841	bool
1842
1843config SYS_HAS_CPU_MIPS64_R6
1844	bool
1845
1846config SYS_HAS_CPU_R3000
1847	bool
1848
1849config SYS_HAS_CPU_TX39XX
1850	bool
1851
1852config SYS_HAS_CPU_VR41XX
1853	bool
1854
1855config SYS_HAS_CPU_R4300
1856	bool
1857
1858config SYS_HAS_CPU_R4X00
1859	bool
1860
1861config SYS_HAS_CPU_TX49XX
1862	bool
1863
1864config SYS_HAS_CPU_R5000
1865	bool
1866
1867config SYS_HAS_CPU_R5432
1868	bool
1869
1870config SYS_HAS_CPU_R5500
1871	bool
1872
1873config SYS_HAS_CPU_R6000
1874	bool
1875
1876config SYS_HAS_CPU_NEVADA
1877	bool
1878
1879config SYS_HAS_CPU_R8000
1880	bool
1881
1882config SYS_HAS_CPU_R10000
1883	bool
1884
1885config SYS_HAS_CPU_RM7000
1886	bool
1887
1888config SYS_HAS_CPU_SB1
1889	bool
1890
1891config SYS_HAS_CPU_CAVIUM_OCTEON
1892	bool
1893
1894config SYS_HAS_CPU_BMIPS
1895	bool
1896
1897config SYS_HAS_CPU_BMIPS32_3300
1898	bool
1899	select SYS_HAS_CPU_BMIPS
1900
1901config SYS_HAS_CPU_BMIPS4350
1902	bool
1903	select SYS_HAS_CPU_BMIPS
1904
1905config SYS_HAS_CPU_BMIPS4380
1906	bool
1907	select SYS_HAS_CPU_BMIPS
1908
1909config SYS_HAS_CPU_BMIPS5000
1910	bool
1911	select SYS_HAS_CPU_BMIPS
1912
1913config SYS_HAS_CPU_XLR
1914	bool
1915
1916config SYS_HAS_CPU_XLP
1917	bool
1918
1919config MIPS_MALTA_PM
1920	depends on MIPS_MALTA
1921	depends on PCI
1922	bool
1923	default y
1924
1925#
1926# CPU may reorder R->R, R->W, W->R, W->W
1927# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1928#
1929config WEAK_ORDERING
1930	bool
1931
1932#
1933# CPU may reorder reads and writes beyond LL/SC
1934# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1935#
1936config WEAK_REORDERING_BEYOND_LLSC
1937	bool
1938endmenu
1939
1940#
1941# These two indicate any level of the MIPS32 and MIPS64 architecture
1942#
1943config CPU_MIPS32
1944	bool
1945	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1946
1947config CPU_MIPS64
1948	bool
1949	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1950
1951#
1952# These two indicate the revision of the architecture, either Release 1 or Release 2
1953#
1954config CPU_MIPSR1
1955	bool
1956	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1957
1958config CPU_MIPSR2
1959	bool
1960	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1961	select MIPS_SPRAM
1962
1963config CPU_MIPSR6
1964	bool
1965	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1966	select MIPS_SPRAM
1967
1968config EVA
1969	bool
1970
1971config XPA
1972	bool
1973
1974config SYS_SUPPORTS_32BIT_KERNEL
1975	bool
1976config SYS_SUPPORTS_64BIT_KERNEL
1977	bool
1978config CPU_SUPPORTS_32BIT_KERNEL
1979	bool
1980config CPU_SUPPORTS_64BIT_KERNEL
1981	bool
1982config CPU_SUPPORTS_CPUFREQ
1983	bool
1984config CPU_SUPPORTS_ADDRWINCFG
1985	bool
1986config CPU_SUPPORTS_HUGEPAGES
1987	bool
1988config CPU_SUPPORTS_UNCACHED_ACCELERATED
1989	bool
1990config MIPS_PGD_C0_CONTEXT
1991	bool
1992	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1993
1994#
1995# Set to y for ptrace access to watch registers.
1996#
1997config HARDWARE_WATCHPOINTS
1998       bool
1999       default y if CPU_MIPSR1 || CPU_MIPSR2
2000
2001menu "Kernel type"
2002
2003choice
2004	prompt "Kernel code model"
2005	help
2006	  You should only select this option if you have a workload that
2007	  actually benefits from 64-bit processing or if your machine has
2008	  large memory.  You will only be presented a single option in this
2009	  menu if your system does not support both 32-bit and 64-bit kernels.
2010
2011config 32BIT
2012	bool "32-bit kernel"
2013	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2014	select TRAD_SIGNALS
2015	help
2016	  Select this option if you want to build a 32-bit kernel.
2017
2018config 64BIT
2019	bool "64-bit kernel"
2020	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2021	help
2022	  Select this option if you want to build a 64-bit kernel.
2023
2024endchoice
2025
2026config KVM_GUEST
2027	bool "KVM Guest Kernel"
2028	depends on BROKEN_ON_SMP
2029	help
2030	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
2031
2032config KVM_GUEST_TIMER_FREQ
2033	int "Count/Compare Timer Frequency (MHz)"
2034	depends on KVM_GUEST
2035	default 100
2036	help
2037	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2038	  emulation when determining guest CPU Frequency. Instead, the guest's
2039	  timer frequency is specified directly.
2040
2041choice
2042	prompt "Kernel page size"
2043	default PAGE_SIZE_4KB
2044
2045config PAGE_SIZE_4KB
2046	bool "4kB"
2047	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2048	help
2049	 This option select the standard 4kB Linux page size.  On some
2050	 R3000-family processors this is the only available page size.  Using
2051	 4kB page size will minimize memory consumption and is therefore
2052	 recommended for low memory systems.
2053
2054config PAGE_SIZE_8KB
2055	bool "8kB"
2056	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2057	help
2058	  Using 8kB page size will result in higher performance kernel at
2059	  the price of higher memory consumption.  This option is available
2060	  only on R8000 and cnMIPS processors.  Note that you will need a
2061	  suitable Linux distribution to support this.
2062
2063config PAGE_SIZE_16KB
2064	bool "16kB"
2065	depends on !CPU_R3000 && !CPU_TX39XX
2066	help
2067	  Using 16kB page size will result in higher performance kernel at
2068	  the price of higher memory consumption.  This option is available on
2069	  all non-R3000 family processors.  Note that you will need a suitable
2070	  Linux distribution to support this.
2071
2072config PAGE_SIZE_32KB
2073	bool "32kB"
2074	depends on CPU_CAVIUM_OCTEON
2075	help
2076	  Using 32kB page size will result in higher performance kernel at
2077	  the price of higher memory consumption.  This option is available
2078	  only on cnMIPS cores.  Note that you will need a suitable Linux
2079	  distribution to support this.
2080
2081config PAGE_SIZE_64KB
2082	bool "64kB"
2083	depends on !CPU_R3000 && !CPU_TX39XX
2084	help
2085	  Using 64kB page size will result in higher performance kernel at
2086	  the price of higher memory consumption.  This option is available on
2087	  all non-R3000 family processor.  Not that at the time of this
2088	  writing this option is still high experimental.
2089
2090endchoice
2091
2092config FORCE_MAX_ZONEORDER
2093	int "Maximum zone order"
2094	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2095	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2096	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2097	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2098	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2099	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2100	range 11 64
2101	default "11"
2102	help
2103	  The kernel memory allocator divides physically contiguous memory
2104	  blocks into "zones", where each zone is a power of two number of
2105	  pages.  This option selects the largest power of two that the kernel
2106	  keeps in the memory allocator.  If you need to allocate very large
2107	  blocks of physically contiguous memory, then you may need to
2108	  increase this value.
2109
2110	  This config option is actually maximum order plus one. For example,
2111	  a value of 11 means that the largest free memory block is 2^10 pages.
2112
2113	  The page size is not necessarily 4KB.  Keep this in mind
2114	  when choosing a value for this option.
2115
2116config BOARD_SCACHE
2117	bool
2118
2119config IP22_CPU_SCACHE
2120	bool
2121	select BOARD_SCACHE
2122
2123#
2124# Support for a MIPS32 / MIPS64 style S-caches
2125#
2126config MIPS_CPU_SCACHE
2127	bool
2128	select BOARD_SCACHE
2129
2130config R5000_CPU_SCACHE
2131	bool
2132	select BOARD_SCACHE
2133
2134config RM7000_CPU_SCACHE
2135	bool
2136	select BOARD_SCACHE
2137
2138config SIBYTE_DMA_PAGEOPS
2139	bool "Use DMA to clear/copy pages"
2140	depends on CPU_SB1
2141	help
2142	  Instead of using the CPU to zero and copy pages, use a Data Mover
2143	  channel.  These DMA channels are otherwise unused by the standard
2144	  SiByte Linux port.  Seems to give a small performance benefit.
2145
2146config CPU_HAS_PREFETCH
2147	bool
2148
2149config CPU_GENERIC_DUMP_TLB
2150	bool
2151	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2152
2153config CPU_R4K_FPU
2154	bool
2155	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2156
2157config CPU_R4K_CACHE_TLB
2158	bool
2159	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2160
2161config MIPS_MT_SMP
2162	bool "MIPS MT SMP support (1 TC on each available VPE)"
2163	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2164	select CPU_MIPSR2_IRQ_VI
2165	select CPU_MIPSR2_IRQ_EI
2166	select SYNC_R4K
2167	select MIPS_GIC_IPI
2168	select MIPS_MT
2169	select SMP
2170	select SMP_UP
2171	select SYS_SUPPORTS_SMP
2172	select SYS_SUPPORTS_SCHED_SMT
2173	select MIPS_PERF_SHARED_TC_COUNTERS
2174	help
2175	  This is a kernel model which is known as SMVP. This is supported
2176	  on cores with the MT ASE and uses the available VPEs to implement
2177	  virtual processors which supports SMP. This is equivalent to the
2178	  Intel Hyperthreading feature. For further information go to
2179	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2180
2181config MIPS_MT
2182	bool
2183
2184config SCHED_SMT
2185	bool "SMT (multithreading) scheduler support"
2186	depends on SYS_SUPPORTS_SCHED_SMT
2187	default n
2188	help
2189	  SMT scheduler support improves the CPU scheduler's decision making
2190	  when dealing with MIPS MT enabled cores at a cost of slightly
2191	  increased overhead in some places. If unsure say N here.
2192
2193config SYS_SUPPORTS_SCHED_SMT
2194	bool
2195
2196config SYS_SUPPORTS_MULTITHREADING
2197	bool
2198
2199config MIPS_MT_FPAFF
2200	bool "Dynamic FPU affinity for FP-intensive threads"
2201	default y
2202	depends on MIPS_MT_SMP
2203
2204config MIPSR2_TO_R6_EMULATOR
2205	bool "MIPS R2-to-R6 emulator"
2206	depends on CPU_MIPSR6 && !SMP
2207	default y
2208	help
2209	  Choose this option if you want to run non-R6 MIPS userland code.
2210	  Even if you say 'Y' here, the emulator will still be disabled by
2211	  default. You can enable it using the 'mipsr2emu' kernel option.
2212	  The only reason this is a build-time option is to save ~14K from the
2213	  final kernel image.
2214comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2215	depends on SMP && CPU_MIPSR6
2216
2217config MIPS_VPE_LOADER
2218	bool "VPE loader support."
2219	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2220	select CPU_MIPSR2_IRQ_VI
2221	select CPU_MIPSR2_IRQ_EI
2222	select MIPS_MT
2223	help
2224	  Includes a loader for loading an elf relocatable object
2225	  onto another VPE and running it.
2226
2227config MIPS_VPE_LOADER_CMP
2228	bool
2229	default "y"
2230	depends on MIPS_VPE_LOADER && MIPS_CMP
2231
2232config MIPS_VPE_LOADER_MT
2233	bool
2234	default "y"
2235	depends on MIPS_VPE_LOADER && !MIPS_CMP
2236
2237config MIPS_VPE_LOADER_TOM
2238	bool "Load VPE program into memory hidden from linux"
2239	depends on MIPS_VPE_LOADER
2240	default y
2241	help
2242	  The loader can use memory that is present but has been hidden from
2243	  Linux using the kernel command line option "mem=xxMB". It's up to
2244	  you to ensure the amount you put in the option and the space your
2245	  program requires is less or equal to the amount physically present.
2246
2247config MIPS_VPE_APSP_API
2248	bool "Enable support for AP/SP API (RTLX)"
2249	depends on MIPS_VPE_LOADER
2250	help
2251
2252config MIPS_VPE_APSP_API_CMP
2253	bool
2254	default "y"
2255	depends on MIPS_VPE_APSP_API && MIPS_CMP
2256
2257config MIPS_VPE_APSP_API_MT
2258	bool
2259	default "y"
2260	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2261
2262config MIPS_CMP
2263	bool "MIPS CMP framework support (DEPRECATED)"
2264	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2265	select MIPS_GIC_IPI
2266	select SMP
2267	select SYNC_R4K
2268	select SYS_SUPPORTS_SMP
2269	select WEAK_ORDERING
2270	default n
2271	help
2272	  Select this if you are using a bootloader which implements the "CMP
2273	  framework" protocol (ie. YAMON) and want your kernel to make use of
2274	  its ability to start secondary CPUs.
2275
2276	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2277	  instead of this.
2278
2279config MIPS_CPS
2280	bool "MIPS Coherent Processing System support"
2281	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2282	select MIPS_CM
2283	select MIPS_CPC
2284	select MIPS_CPS_PM if HOTPLUG_CPU
2285	select MIPS_GIC_IPI
2286	select SMP
2287	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2288	select SYS_SUPPORTS_HOTPLUG_CPU
2289	select SYS_SUPPORTS_SMP
2290	select WEAK_ORDERING
2291	help
2292	  Select this if you wish to run an SMP kernel across multiple cores
2293	  within a MIPS Coherent Processing System. When this option is
2294	  enabled the kernel will probe for other cores and boot them with
2295	  no external assistance. It is safe to enable this when hardware
2296	  support is unavailable.
2297
2298config MIPS_CPS_PM
2299	depends on MIPS_CPS
2300	select MIPS_CPC
2301	bool
2302
2303config MIPS_GIC_IPI
2304	bool
2305
2306config MIPS_CM
2307	bool
2308
2309config MIPS_CPC
2310	bool
2311
2312config SB1_PASS_2_WORKAROUNDS
2313	bool
2314	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2315	default y
2316
2317config SB1_PASS_2_1_WORKAROUNDS
2318	bool
2319	depends on CPU_SB1 && CPU_SB1_PASS_2
2320	default y
2321
2322
2323config ARCH_PHYS_ADDR_T_64BIT
2324       bool
2325
2326choice
2327	prompt "SmartMIPS or microMIPS ASE support"
2328
2329config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2330	bool "None"
2331	help
2332	  Select this if you want neither microMIPS nor SmartMIPS support
2333
2334config CPU_HAS_SMARTMIPS
2335	depends on SYS_SUPPORTS_SMARTMIPS
2336	bool "SmartMIPS"
2337	help
2338	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2339	  increased security at both hardware and software level for
2340	  smartcards.  Enabling this option will allow proper use of the
2341	  SmartMIPS instructions by Linux applications.  However a kernel with
2342	  this option will not work on a MIPS core without SmartMIPS core.  If
2343	  you don't know you probably don't have SmartMIPS and should say N
2344	  here.
2345
2346config CPU_MICROMIPS
2347	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2348	bool "microMIPS"
2349	help
2350	  When this option is enabled the kernel will be built using the
2351	  microMIPS ISA
2352
2353endchoice
2354
2355config CPU_HAS_MSA
2356	bool "Support for the MIPS SIMD Architecture"
2357	depends on CPU_SUPPORTS_MSA
2358	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2359	help
2360	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2361	  and a set of SIMD instructions to operate on them. When this option
2362	  is enabled the kernel will support allocating & switching MSA
2363	  vector register contexts. If you know that your kernel will only be
2364	  running on CPUs which do not support MSA or that your userland will
2365	  not be making use of it then you may wish to say N here to reduce
2366	  the size & complexity of your kernel.
2367
2368	  If unsure, say Y.
2369
2370config CPU_HAS_WB
2371	bool
2372
2373config XKS01
2374	bool
2375
2376#
2377# Vectored interrupt mode is an R2 feature
2378#
2379config CPU_MIPSR2_IRQ_VI
2380	bool
2381
2382#
2383# Extended interrupt mode is an R2 feature
2384#
2385config CPU_MIPSR2_IRQ_EI
2386	bool
2387
2388config CPU_HAS_SYNC
2389	bool
2390	depends on !CPU_R3000
2391	default y
2392
2393#
2394# CPU non-features
2395#
2396config CPU_DADDI_WORKAROUNDS
2397	bool
2398
2399config CPU_R4000_WORKAROUNDS
2400	bool
2401	select CPU_R4400_WORKAROUNDS
2402
2403config CPU_R4400_WORKAROUNDS
2404	bool
2405
2406#
2407# - Highmem only makes sense for the 32-bit kernel.
2408# - The current highmem code will only work properly on physically indexed
2409#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2410#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2411#   moment we protect the user and offer the highmem option only on machines
2412#   where it's known to be safe.  This will not offer highmem on a few systems
2413#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2414#   indexed CPUs but we're playing safe.
2415# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2416#   know they might have memory configurations that could make use of highmem
2417#   support.
2418#
2419config HIGHMEM
2420	bool "High Memory Support"
2421	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2422
2423config CPU_SUPPORTS_HIGHMEM
2424	bool
2425
2426config SYS_SUPPORTS_HIGHMEM
2427	bool
2428
2429config SYS_SUPPORTS_SMARTMIPS
2430	bool
2431
2432config SYS_SUPPORTS_MICROMIPS
2433	bool
2434
2435config SYS_SUPPORTS_MIPS16
2436	bool
2437	help
2438	  This option must be set if a kernel might be executed on a MIPS16-
2439	  enabled CPU even if MIPS16 is not actually being used.  In other
2440	  words, it makes the kernel MIPS16-tolerant.
2441
2442config CPU_SUPPORTS_MSA
2443	bool
2444
2445config ARCH_FLATMEM_ENABLE
2446	def_bool y
2447	depends on !NUMA && !CPU_LOONGSON2
2448
2449config ARCH_DISCONTIGMEM_ENABLE
2450	bool
2451	default y if SGI_IP27
2452	help
2453	  Say Y to support efficient handling of discontiguous physical memory,
2454	  for architectures which are either NUMA (Non-Uniform Memory Access)
2455	  or have huge holes in the physical address space for other reasons.
2456	  See <file:Documentation/vm/numa> for more.
2457
2458config ARCH_SPARSEMEM_ENABLE
2459	bool
2460	select SPARSEMEM_STATIC
2461
2462config NUMA
2463	bool "NUMA Support"
2464	depends on SYS_SUPPORTS_NUMA
2465	help
2466	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2467	  Access).  This option improves performance on systems with more
2468	  than two nodes; on two node systems it is generally better to
2469	  leave it disabled; on single node systems disable this option
2470	  disabled.
2471
2472config SYS_SUPPORTS_NUMA
2473	bool
2474
2475config NODES_SHIFT
2476	int
2477	default "6"
2478	depends on NEED_MULTIPLE_NODES
2479
2480config HW_PERF_EVENTS
2481	bool "Enable hardware performance counter support for perf events"
2482	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2483	default y
2484	help
2485	  Enable hardware performance counter support for perf events. If
2486	  disabled, perf events will use software events only.
2487
2488source "mm/Kconfig"
2489
2490config SMP
2491	bool "Multi-Processing support"
2492	depends on SYS_SUPPORTS_SMP
2493	help
2494	  This enables support for systems with more than one CPU. If you have
2495	  a system with only one CPU, say N. If you have a system with more
2496	  than one CPU, say Y.
2497
2498	  If you say N here, the kernel will run on uni- and multiprocessor
2499	  machines, but will use only one CPU of a multiprocessor machine. If
2500	  you say Y here, the kernel will run on many, but not all,
2501	  uniprocessor machines. On a uniprocessor machine, the kernel
2502	  will run faster if you say N here.
2503
2504	  People using multiprocessor machines who say Y here should also say
2505	  Y to "Enhanced Real Time Clock Support", below.
2506
2507	  See also the SMP-HOWTO available at
2508	  <http://www.tldp.org/docs.html#howto>.
2509
2510	  If you don't know what to do here, say N.
2511
2512config SMP_UP
2513	bool
2514
2515config SYS_SUPPORTS_MIPS_CMP
2516	bool
2517
2518config SYS_SUPPORTS_MIPS_CPS
2519	bool
2520
2521config SYS_SUPPORTS_SMP
2522	bool
2523
2524config NR_CPUS_DEFAULT_4
2525	bool
2526
2527config NR_CPUS_DEFAULT_8
2528	bool
2529
2530config NR_CPUS_DEFAULT_16
2531	bool
2532
2533config NR_CPUS_DEFAULT_32
2534	bool
2535
2536config NR_CPUS_DEFAULT_64
2537	bool
2538
2539config NR_CPUS
2540	int "Maximum number of CPUs (2-256)"
2541	range 2 256
2542	depends on SMP
2543	default "4" if NR_CPUS_DEFAULT_4
2544	default "8" if NR_CPUS_DEFAULT_8
2545	default "16" if NR_CPUS_DEFAULT_16
2546	default "32" if NR_CPUS_DEFAULT_32
2547	default "64" if NR_CPUS_DEFAULT_64
2548	help
2549	  This allows you to specify the maximum number of CPUs which this
2550	  kernel will support.  The maximum supported value is 32 for 32-bit
2551	  kernel and 64 for 64-bit kernels; the minimum value which makes
2552	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2553	  and 2 for all others.
2554
2555	  This is purely to save memory - each supported CPU adds
2556	  approximately eight kilobytes to the kernel image.  For best
2557	  performance should round up your number of processors to the next
2558	  power of two.
2559
2560config MIPS_PERF_SHARED_TC_COUNTERS
2561	bool
2562
2563#
2564# Timer Interrupt Frequency Configuration
2565#
2566
2567choice
2568	prompt "Timer frequency"
2569	default HZ_250
2570	help
2571	 Allows the configuration of the timer frequency.
2572
2573	config HZ_24
2574		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2575
2576	config HZ_48
2577		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2578
2579	config HZ_100
2580		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2581
2582	config HZ_128
2583		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2584
2585	config HZ_250
2586		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2587
2588	config HZ_256
2589		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2590
2591	config HZ_1000
2592		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2593
2594	config HZ_1024
2595		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2596
2597endchoice
2598
2599config SYS_SUPPORTS_24HZ
2600	bool
2601
2602config SYS_SUPPORTS_48HZ
2603	bool
2604
2605config SYS_SUPPORTS_100HZ
2606	bool
2607
2608config SYS_SUPPORTS_128HZ
2609	bool
2610
2611config SYS_SUPPORTS_250HZ
2612	bool
2613
2614config SYS_SUPPORTS_256HZ
2615	bool
2616
2617config SYS_SUPPORTS_1000HZ
2618	bool
2619
2620config SYS_SUPPORTS_1024HZ
2621	bool
2622
2623config SYS_SUPPORTS_ARBIT_HZ
2624	bool
2625	default y if !SYS_SUPPORTS_24HZ && \
2626		     !SYS_SUPPORTS_48HZ && \
2627		     !SYS_SUPPORTS_100HZ && \
2628		     !SYS_SUPPORTS_128HZ && \
2629		     !SYS_SUPPORTS_250HZ && \
2630		     !SYS_SUPPORTS_256HZ && \
2631		     !SYS_SUPPORTS_1000HZ && \
2632		     !SYS_SUPPORTS_1024HZ
2633
2634config HZ
2635	int
2636	default 24 if HZ_24
2637	default 48 if HZ_48
2638	default 100 if HZ_100
2639	default 128 if HZ_128
2640	default 250 if HZ_250
2641	default 256 if HZ_256
2642	default 1000 if HZ_1000
2643	default 1024 if HZ_1024
2644
2645config SCHED_HRTICK
2646	def_bool HIGH_RES_TIMERS
2647
2648source "kernel/Kconfig.preempt"
2649
2650config KEXEC
2651	bool "Kexec system call"
2652	select KEXEC_CORE
2653	help
2654	  kexec is a system call that implements the ability to shutdown your
2655	  current kernel, and to start another kernel.  It is like a reboot
2656	  but it is independent of the system firmware.   And like a reboot
2657	  you can start any kernel with it, not just Linux.
2658
2659	  The name comes from the similarity to the exec system call.
2660
2661	  It is an ongoing process to be certain the hardware in a machine
2662	  is properly shutdown, so do not be surprised if this code does not
2663	  initially work for you.  As of this writing the exact hardware
2664	  interface is strongly in flux, so no good recommendation can be
2665	  made.
2666
2667config CRASH_DUMP
2668	  bool "Kernel crash dumps"
2669	  help
2670	  Generate crash dump after being started by kexec.
2671	  This should be normally only set in special crash dump kernels
2672	  which are loaded in the main kernel with kexec-tools into
2673	  a specially reserved region and then later executed after
2674	  a crash by kdump/kexec. The crash dump kernel must be compiled
2675	  to a memory address not used by the main kernel or firmware using
2676	  PHYSICAL_START.
2677
2678config PHYSICAL_START
2679	  hex "Physical address where the kernel is loaded"
2680	  default "0xffffffff84000000" if 64BIT
2681	  default "0x84000000" if 32BIT
2682	  depends on CRASH_DUMP
2683	  help
2684	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2685	  If you plan to use kernel for capturing the crash dump change
2686	  this value to start of the reserved region (the "X" value as
2687	  specified in the "crashkernel=YM@XM" command line boot parameter
2688	  passed to the panic-ed kernel).
2689
2690config SECCOMP
2691	bool "Enable seccomp to safely compute untrusted bytecode"
2692	depends on PROC_FS
2693	default y
2694	help
2695	  This kernel feature is useful for number crunching applications
2696	  that may need to compute untrusted bytecode during their
2697	  execution. By using pipes or other transports made available to
2698	  the process as file descriptors supporting the read/write
2699	  syscalls, it's possible to isolate those applications in
2700	  their own address space using seccomp. Once seccomp is
2701	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2702	  and the task is only allowed to execute a few safe syscalls
2703	  defined by each seccomp mode.
2704
2705	  If unsure, say Y. Only embedded should say N here.
2706
2707config MIPS_O32_FP64_SUPPORT
2708	bool "Support for O32 binaries using 64-bit FP"
2709	depends on 32BIT || MIPS32_O32
2710	help
2711	  When this is enabled, the kernel will support use of 64-bit floating
2712	  point registers with binaries using the O32 ABI along with the
2713	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2714	  32-bit MIPS systems this support is at the cost of increasing the
2715	  size and complexity of the compiled FPU emulator. Thus if you are
2716	  running a MIPS32 system and know that none of your userland binaries
2717	  will require 64-bit floating point, you may wish to reduce the size
2718	  of your kernel & potentially improve FP emulation performance by
2719	  saying N here.
2720
2721	  Although binutils currently supports use of this flag the details
2722	  concerning its effect upon the O32 ABI in userland are still being
2723	  worked on. In order to avoid userland becoming dependant upon current
2724	  behaviour before the details have been finalised, this option should
2725	  be considered experimental and only enabled by those working upon
2726	  said details.
2727
2728	  If unsure, say N.
2729
2730config USE_OF
2731	bool
2732	select OF
2733	select OF_EARLY_FLATTREE
2734	select IRQ_DOMAIN
2735
2736config BUILTIN_DTB
2737	bool
2738
2739choice
2740	prompt "Kernel appended dtb support" if USE_OF
2741	default MIPS_NO_APPENDED_DTB
2742
2743	config MIPS_NO_APPENDED_DTB
2744		bool "None"
2745		help
2746		  Do not enable appended dtb support.
2747
2748	config MIPS_ELF_APPENDED_DTB
2749		bool "vmlinux"
2750		help
2751		  With this option, the boot code will look for a device tree binary
2752		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2753		  it is empty and the DTB can be appended using binutils command
2754		  objcopy:
2755
2756		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2757
2758		  This is meant as a backward compatiblity convenience for those
2759		  systems with a bootloader that can't be upgraded to accommodate
2760		  the documented boot protocol using a device tree.
2761
2762	config MIPS_RAW_APPENDED_DTB
2763		bool "vmlinux.bin"
2764		help
2765		  With this option, the boot code will look for a device tree binary
2766		  DTB) appended to raw vmlinux.bin (without decompressor).
2767		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2768
2769		  This is meant as a backward compatibility convenience for those
2770		  systems with a bootloader that can't be upgraded to accommodate
2771		  the documented boot protocol using a device tree.
2772
2773		  Beware that there is very little in terms of protection against
2774		  this option being confused by leftover garbage in memory that might
2775		  look like a DTB header after a reboot if no actual DTB is appended
2776		  to vmlinux.bin.  Do not leave this option active in a production kernel
2777		  if you don't intend to always append a DTB.
2778
2779	config MIPS_ZBOOT_APPENDED_DTB
2780		bool "vmlinuz.bin"
2781		depends on SYS_SUPPORTS_ZBOOT
2782		help
2783		  With this option, the boot code will look for a device tree binary
2784		  DTB) appended to raw vmlinuz.bin (with decompressor).
2785		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2786
2787		  This is meant as a backward compatibility convenience for those
2788		  systems with a bootloader that can't be upgraded to accommodate
2789		  the documented boot protocol using a device tree.
2790
2791		  Beware that there is very little in terms of protection against
2792		  this option being confused by leftover garbage in memory that might
2793		  look like a DTB header after a reboot if no actual DTB is appended
2794		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2795		  if you don't intend to always append a DTB.
2796endchoice
2797
2798choice
2799	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2800	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2801					 !MIPS_MALTA && !MIPS_SEAD3 && \
2802					 !CAVIUM_OCTEON_SOC
2803	default MIPS_CMDLINE_FROM_BOOTLOADER
2804
2805	config MIPS_CMDLINE_FROM_DTB
2806		depends on USE_OF
2807		bool "Dtb kernel arguments if available"
2808
2809	config MIPS_CMDLINE_DTB_EXTEND
2810		depends on USE_OF
2811		bool "Extend dtb kernel arguments with bootloader arguments"
2812
2813	config MIPS_CMDLINE_FROM_BOOTLOADER
2814		bool "Bootloader kernel arguments if available"
2815endchoice
2816
2817endmenu
2818
2819config LOCKDEP_SUPPORT
2820	bool
2821	default y
2822
2823config STACKTRACE_SUPPORT
2824	bool
2825	default y
2826
2827config HAVE_LATENCYTOP_SUPPORT
2828	bool
2829	default y
2830
2831config PGTABLE_LEVELS
2832	int
2833	default 3 if 64BIT && !PAGE_SIZE_64KB
2834	default 2
2835
2836source "init/Kconfig"
2837
2838source "kernel/Kconfig.freezer"
2839
2840menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2841
2842config HW_HAS_EISA
2843	bool
2844config HW_HAS_PCI
2845	bool
2846
2847config PCI
2848	bool "Support for PCI controller"
2849	depends on HW_HAS_PCI
2850	select PCI_DOMAINS
2851	select NO_GENERIC_PCI_IOPORT_MAP
2852	help
2853	  Find out whether you have a PCI motherboard. PCI is the name of a
2854	  bus system, i.e. the way the CPU talks to the other stuff inside
2855	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2856	  say Y, otherwise N.
2857
2858config HT_PCI
2859	bool "Support for HT-linked PCI"
2860	default y
2861	depends on CPU_LOONGSON3
2862	select PCI
2863	select PCI_DOMAINS
2864	help
2865	  Loongson family machines use Hyper-Transport bus for inter-core
2866	  connection and device connection. The PCI bus is a subordinate
2867	  linked at HT. Choose Y for Loongson-3 based machines.
2868
2869config PCI_DOMAINS
2870	bool
2871
2872source "drivers/pci/Kconfig"
2873
2874source "drivers/pci/pcie/Kconfig"
2875
2876#
2877# ISA support is now enabled via select.  Too many systems still have the one
2878# or other ISA chip on the board that users don't know about so don't expect
2879# users to choose the right thing ...
2880#
2881config ISA
2882	bool
2883
2884config EISA
2885	bool "EISA support"
2886	depends on HW_HAS_EISA
2887	select ISA
2888	select GENERIC_ISA_DMA
2889	---help---
2890	  The Extended Industry Standard Architecture (EISA) bus was
2891	  developed as an open alternative to the IBM MicroChannel bus.
2892
2893	  The EISA bus provided some of the features of the IBM MicroChannel
2894	  bus while maintaining backward compatibility with cards made for
2895	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2896	  1995 when it was made obsolete by the PCI bus.
2897
2898	  Say Y here if you are building a kernel for an EISA-based machine.
2899
2900	  Otherwise, say N.
2901
2902source "drivers/eisa/Kconfig"
2903
2904config TC
2905	bool "TURBOchannel support"
2906	depends on MACH_DECSTATION
2907	help
2908	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2909	  processors.  TURBOchannel programming specifications are available
2910	  at:
2911	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2912	  and:
2913	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2914	  Linux driver support status is documented at:
2915	  <http://www.linux-mips.org/wiki/DECstation>
2916
2917config MMU
2918	bool
2919	default y
2920
2921config I8253
2922	bool
2923	select CLKSRC_I8253
2924	select CLKEVT_I8253
2925	select MIPS_EXTERNAL_TIMER
2926
2927config ZONE_DMA
2928	bool
2929
2930config ZONE_DMA32
2931	bool
2932
2933source "drivers/pcmcia/Kconfig"
2934
2935source "drivers/pci/hotplug/Kconfig"
2936
2937config RAPIDIO
2938	tristate "RapidIO support"
2939	depends on PCI
2940	default n
2941	help
2942	  If you say Y here, the kernel will include drivers and
2943	  infrastructure code to support RapidIO interconnect devices.
2944
2945source "drivers/rapidio/Kconfig"
2946
2947endmenu
2948
2949menu "Executable file formats"
2950
2951source "fs/Kconfig.binfmt"
2952
2953config TRAD_SIGNALS
2954	bool
2955
2956config MIPS32_COMPAT
2957	bool
2958
2959config COMPAT
2960	bool
2961
2962config SYSVIPC_COMPAT
2963	bool
2964
2965config MIPS32_O32
2966	bool "Kernel support for o32 binaries"
2967	depends on 64BIT
2968	select ARCH_WANT_OLD_COMPAT_IPC
2969	select COMPAT
2970	select MIPS32_COMPAT
2971	select SYSVIPC_COMPAT if SYSVIPC
2972	help
2973	  Select this option if you want to run o32 binaries.  These are pure
2974	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2975	  existing binaries are in this format.
2976
2977	  If unsure, say Y.
2978
2979config MIPS32_N32
2980	bool "Kernel support for n32 binaries"
2981	depends on 64BIT
2982	select COMPAT
2983	select MIPS32_COMPAT
2984	select SYSVIPC_COMPAT if SYSVIPC
2985	help
2986	  Select this option if you want to run n32 binaries.  These are
2987	  64-bit binaries using 32-bit quantities for addressing and certain
2988	  data that would normally be 64-bit.  They are used in special
2989	  cases.
2990
2991	  If unsure, say N.
2992
2993config BINFMT_ELF32
2994	bool
2995	default y if MIPS32_O32 || MIPS32_N32
2996
2997endmenu
2998
2999menu "Power management options"
3000
3001config ARCH_HIBERNATION_POSSIBLE
3002	def_bool y
3003	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3004
3005config ARCH_SUSPEND_POSSIBLE
3006	def_bool y
3007	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3008
3009source "kernel/power/Kconfig"
3010
3011endmenu
3012
3013config MIPS_EXTERNAL_TIMER
3014	bool
3015
3016menu "CPU Power Management"
3017
3018if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3019source "drivers/cpufreq/Kconfig"
3020endif
3021
3022source "drivers/cpuidle/Kconfig"
3023
3024endmenu
3025
3026source "net/Kconfig"
3027
3028source "drivers/Kconfig"
3029
3030source "drivers/firmware/Kconfig"
3031
3032source "fs/Kconfig"
3033
3034source "arch/mips/Kconfig.debug"
3035
3036source "security/Kconfig"
3037
3038source "crypto/Kconfig"
3039
3040source "lib/Kconfig"
3041
3042source "arch/mips/kvm/Kconfig"
3043