xref: /linux/arch/mips/Kconfig (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 HAVE_CONTEXT_TRACKING
9	select HAVE_GENERIC_DMA_COHERENT
10	select HAVE_IDE
11	select HAVE_OPROFILE
12	select HAVE_PERF_EVENTS
13	select PERF_USE_VMALLOC
14	select HAVE_ARCH_KGDB
15	select HAVE_ARCH_SECCOMP_FILTER
16	select HAVE_ARCH_TRACEHOOK
17	select HAVE_BPF_JIT if !CPU_MICROMIPS
18	select HAVE_FUNCTION_TRACER
19	select HAVE_DYNAMIC_FTRACE
20	select HAVE_FTRACE_MCOUNT_RECORD
21	select HAVE_C_RECORDMCOUNT
22	select HAVE_FUNCTION_GRAPH_TRACER
23	select HAVE_KPROBES
24	select HAVE_KRETPROBES
25	select HAVE_SYSCALL_TRACEPOINTS
26	select HAVE_DEBUG_KMEMLEAK
27	select HAVE_SYSCALL_TRACEPOINTS
28	select ARCH_HAS_ELF_RANDOMIZE
29	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
30	select RTC_LIB if !MACH_LOONGSON64
31	select GENERIC_ATOMIC64 if !64BIT
32	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
33	select HAVE_DMA_ATTRS
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
64menu "Machine selection"
65
66choice
67	prompt "System type"
68	default SGI_IP22
69
70config MIPS_ALCHEMY
71	bool "Alchemy processor based machines"
72	select ARCH_PHYS_ADDR_T_64BIT
73	select CEVT_R4K
74	select CSRC_R4K
75	select IRQ_MIPS_CPU
76	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
77	select SYS_HAS_CPU_MIPS32_R1
78	select SYS_SUPPORTS_32BIT_KERNEL
79	select SYS_SUPPORTS_APM_EMULATION
80	select ARCH_REQUIRE_GPIOLIB
81	select SYS_SUPPORTS_ZBOOT
82	select COMMON_CLK
83
84config AR7
85	bool "Texas Instruments AR7"
86	select BOOT_ELF32
87	select DMA_NONCOHERENT
88	select CEVT_R4K
89	select CSRC_R4K
90	select IRQ_MIPS_CPU
91	select NO_EXCEPT_FILL
92	select SWAP_IO_SPACE
93	select SYS_HAS_CPU_MIPS32_R1
94	select SYS_HAS_EARLY_PRINTK
95	select SYS_SUPPORTS_32BIT_KERNEL
96	select SYS_SUPPORTS_LITTLE_ENDIAN
97	select SYS_SUPPORTS_MIPS16
98	select SYS_SUPPORTS_ZBOOT_UART16550
99	select ARCH_REQUIRE_GPIOLIB
100	select VLYNQ
101	select HAVE_CLK
102	help
103	  Support for the Texas Instruments AR7 System-on-a-Chip
104	  family: TNETD7100, 7200 and 7300.
105
106config ATH25
107	bool "Atheros AR231x/AR531x SoC support"
108	select CEVT_R4K
109	select CSRC_R4K
110	select DMA_NONCOHERENT
111	select IRQ_MIPS_CPU
112	select IRQ_DOMAIN
113	select SYS_HAS_CPU_MIPS32_R1
114	select SYS_SUPPORTS_BIG_ENDIAN
115	select SYS_SUPPORTS_32BIT_KERNEL
116	select SYS_HAS_EARLY_PRINTK
117	help
118	  Support for Atheros AR231x and Atheros AR531x based boards
119
120config ATH79
121	bool "Atheros AR71XX/AR724X/AR913X based boards"
122	select ARCH_HAS_RESET_CONTROLLER
123	select ARCH_REQUIRE_GPIOLIB
124	select BOOT_RAW
125	select CEVT_R4K
126	select CSRC_R4K
127	select DMA_NONCOHERENT
128	select HAVE_CLK
129	select COMMON_CLK
130	select CLKDEV_LOOKUP
131	select IRQ_MIPS_CPU
132	select MIPS_MACHINE
133	select SYS_HAS_CPU_MIPS32_R2
134	select SYS_HAS_EARLY_PRINTK
135	select SYS_SUPPORTS_32BIT_KERNEL
136	select SYS_SUPPORTS_BIG_ENDIAN
137	select SYS_SUPPORTS_MIPS16
138	select SYS_SUPPORTS_ZBOOT
139	select USE_OF
140	help
141	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
142
143config BMIPS_GENERIC
144	bool "Broadcom Generic BMIPS kernel"
145	select BOOT_RAW
146	select NO_EXCEPT_FILL
147	select USE_OF
148	select CEVT_R4K
149	select CSRC_R4K
150	select SYNC_R4K
151	select COMMON_CLK
152	select BCM7038_L1_IRQ
153	select BCM7120_L2_IRQ
154	select BRCMSTB_L2_IRQ
155	select IRQ_MIPS_CPU
156	select DMA_NONCOHERENT
157	select SYS_SUPPORTS_32BIT_KERNEL
158	select SYS_SUPPORTS_LITTLE_ENDIAN
159	select SYS_SUPPORTS_BIG_ENDIAN
160	select SYS_SUPPORTS_HIGHMEM
161	select SYS_HAS_CPU_BMIPS32_3300
162	select SYS_HAS_CPU_BMIPS4350
163	select SYS_HAS_CPU_BMIPS4380
164	select SYS_HAS_CPU_BMIPS5000
165	select SWAP_IO_SPACE
166	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
167	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
168	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
169	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
170	help
171	  Build a generic DT-based kernel image that boots on select
172	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
173	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
174	  must be set appropriately for your board.
175
176config BCM47XX
177	bool "Broadcom BCM47XX based boards"
178	select ARCH_WANT_OPTIONAL_GPIOLIB
179	select BOOT_RAW
180	select CEVT_R4K
181	select CSRC_R4K
182	select DMA_NONCOHERENT
183	select HW_HAS_PCI
184	select IRQ_MIPS_CPU
185	select SYS_HAS_CPU_MIPS32_R1
186	select NO_EXCEPT_FILL
187	select SYS_SUPPORTS_32BIT_KERNEL
188	select SYS_SUPPORTS_LITTLE_ENDIAN
189	select SYS_SUPPORTS_MIPS16
190	select SYS_HAS_EARLY_PRINTK
191	select USE_GENERIC_EARLY_PRINTK_8250
192	select GPIOLIB
193	select LEDS_GPIO_REGISTER
194	select BCM47XX_NVRAM
195	help
196	 Support for BCM47XX based boards
197
198config BCM63XX
199	bool "Broadcom BCM63XX based boards"
200	select BOOT_RAW
201	select CEVT_R4K
202	select CSRC_R4K
203	select SYNC_R4K
204	select DMA_NONCOHERENT
205	select IRQ_MIPS_CPU
206	select SYS_SUPPORTS_32BIT_KERNEL
207	select SYS_SUPPORTS_BIG_ENDIAN
208	select SYS_HAS_EARLY_PRINTK
209	select SWAP_IO_SPACE
210	select ARCH_REQUIRE_GPIOLIB
211	select HAVE_CLK
212	select MIPS_L1_CACHE_SHIFT_4
213	help
214	 Support for BCM63XX based boards
215
216config MIPS_COBALT
217	bool "Cobalt Server"
218	select CEVT_R4K
219	select CSRC_R4K
220	select CEVT_GT641XX
221	select DMA_NONCOHERENT
222	select HW_HAS_PCI
223	select I8253
224	select I8259
225	select IRQ_MIPS_CPU
226	select IRQ_GT641XX
227	select PCI_GT64XXX_PCI0
228	select PCI
229	select SYS_HAS_CPU_NEVADA
230	select SYS_HAS_EARLY_PRINTK
231	select SYS_SUPPORTS_32BIT_KERNEL
232	select SYS_SUPPORTS_64BIT_KERNEL
233	select SYS_SUPPORTS_LITTLE_ENDIAN
234	select USE_GENERIC_EARLY_PRINTK_8250
235
236config MACH_DECSTATION
237	bool "DECstations"
238	select BOOT_ELF32
239	select CEVT_DS1287
240	select CEVT_R4K if CPU_R4X00
241	select CSRC_IOASIC
242	select CSRC_R4K if CPU_R4X00
243	select CPU_DADDI_WORKAROUNDS if 64BIT
244	select CPU_R4000_WORKAROUNDS if 64BIT
245	select CPU_R4400_WORKAROUNDS if 64BIT
246	select DMA_NONCOHERENT
247	select NO_IOPORT_MAP
248	select IRQ_MIPS_CPU
249	select SYS_HAS_CPU_R3000
250	select SYS_HAS_CPU_R4X00
251	select SYS_SUPPORTS_32BIT_KERNEL
252	select SYS_SUPPORTS_64BIT_KERNEL
253	select SYS_SUPPORTS_LITTLE_ENDIAN
254	select SYS_SUPPORTS_128HZ
255	select SYS_SUPPORTS_256HZ
256	select SYS_SUPPORTS_1024HZ
257	select MIPS_L1_CACHE_SHIFT_4
258	help
259	  This enables support for DEC's MIPS based workstations.  For details
260	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
261	  DECstation porting pages on <http://decstation.unix-ag.org/>.
262
263	  If you have one of the following DECstation Models you definitely
264	  want to choose R4xx0 for the CPU Type:
265
266		DECstation 5000/50
267		DECstation 5000/150
268		DECstation 5000/260
269		DECsystem 5900/260
270
271	  otherwise choose R3000.
272
273config MACH_JAZZ
274	bool "Jazz family of machines"
275	select FW_ARC
276	select FW_ARC32
277	select ARCH_MAY_HAVE_PC_FDC
278	select CEVT_R4K
279	select CSRC_R4K
280	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
281	select GENERIC_ISA_DMA
282	select HAVE_PCSPKR_PLATFORM
283	select IRQ_MIPS_CPU
284	select I8253
285	select I8259
286	select ISA
287	select SYS_HAS_CPU_R4X00
288	select SYS_SUPPORTS_32BIT_KERNEL
289	select SYS_SUPPORTS_64BIT_KERNEL
290	select SYS_SUPPORTS_100HZ
291	help
292	 This a family of machines based on the MIPS R4030 chipset which was
293	 used by several vendors to build RISC/os and Windows NT workstations.
294	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
295	 Olivetti M700-10 workstations.
296
297config MACH_INGENIC
298	bool "Ingenic SoC based machines"
299	select SYS_SUPPORTS_32BIT_KERNEL
300	select SYS_SUPPORTS_LITTLE_ENDIAN
301	select SYS_SUPPORTS_ZBOOT_UART16550
302	select DMA_NONCOHERENT
303	select IRQ_MIPS_CPU
304	select ARCH_REQUIRE_GPIOLIB
305	select COMMON_CLK
306	select GENERIC_IRQ_CHIP
307	select BUILTIN_DTB
308	select USE_OF
309	select LIBFDT
310
311config LANTIQ
312	bool "Lantiq based platforms"
313	select DMA_NONCOHERENT
314	select IRQ_MIPS_CPU
315	select CEVT_R4K
316	select CSRC_R4K
317	select SYS_HAS_CPU_MIPS32_R1
318	select SYS_HAS_CPU_MIPS32_R2
319	select SYS_SUPPORTS_BIG_ENDIAN
320	select SYS_SUPPORTS_32BIT_KERNEL
321	select SYS_SUPPORTS_MIPS16
322	select SYS_SUPPORTS_MULTITHREADING
323	select SYS_HAS_EARLY_PRINTK
324	select ARCH_REQUIRE_GPIOLIB
325	select SWAP_IO_SPACE
326	select BOOT_RAW
327	select HAVE_MACH_CLKDEV
328	select CLKDEV_LOOKUP
329	select USE_OF
330	select PINCTRL
331	select PINCTRL_LANTIQ
332	select ARCH_HAS_RESET_CONTROLLER
333	select RESET_CONTROLLER
334
335config LASAT
336	bool "LASAT Networks platforms"
337	select CEVT_R4K
338	select CRC32
339	select CSRC_R4K
340	select DMA_NONCOHERENT
341	select SYS_HAS_EARLY_PRINTK
342	select HW_HAS_PCI
343	select IRQ_MIPS_CPU
344	select PCI_GT64XXX_PCI0
345	select MIPS_NILE4
346	select R5000_CPU_SCACHE
347	select SYS_HAS_CPU_R5000
348	select SYS_SUPPORTS_32BIT_KERNEL
349	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
350	select SYS_SUPPORTS_LITTLE_ENDIAN
351
352config MACH_LOONGSON32
353	bool "Loongson-1 family of machines"
354	select SYS_SUPPORTS_ZBOOT
355	help
356	  This enables support for the Loongson-1 family of machines.
357
358	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
359	  the Institute of Computing Technology (ICT), Chinese Academy of
360	  Sciences (CAS).
361
362config MACH_LOONGSON64
363	bool "Loongson-2/3 family of machines"
364	select SYS_SUPPORTS_ZBOOT
365	help
366	  This enables the support of Loongson-2/3 family of machines.
367
368	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
369	  family of multi-core CPUs. They are both 64-bit general-purpose
370	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
371	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
372	  in the People's Republic of China. The chief architect is Professor
373	  Weiwu Hu.
374
375config MACH_PISTACHIO
376	bool "IMG Pistachio SoC based boards"
377	select ARCH_REQUIRE_GPIOLIB
378	select BOOT_ELF32
379	select BOOT_RAW
380	select CEVT_R4K
381	select CLKSRC_MIPS_GIC
382	select COMMON_CLK
383	select CSRC_R4K
384	select DMA_MAYBE_COHERENT
385	select IRQ_MIPS_CPU
386	select LIBFDT
387	select MFD_SYSCON
388	select MIPS_CPU_SCACHE
389	select MIPS_GIC
390	select PINCTRL
391	select REGULATOR
392	select SYS_HAS_CPU_MIPS32_R2
393	select SYS_SUPPORTS_32BIT_KERNEL
394	select SYS_SUPPORTS_LITTLE_ENDIAN
395	select SYS_SUPPORTS_MIPS_CPS
396	select SYS_SUPPORTS_MULTITHREADING
397	select SYS_SUPPORTS_ZBOOT
398	select SYS_HAS_EARLY_PRINTK
399	select USE_GENERIC_EARLY_PRINTK_8250
400	select USE_OF
401	help
402	  This enables support for the IMG Pistachio SoC platform.
403
404config MIPS_MALTA
405	bool "MIPS Malta board"
406	select ARCH_MAY_HAVE_PC_FDC
407	select BOOT_ELF32
408	select BOOT_RAW
409	select BUILTIN_DTB
410	select CEVT_R4K
411	select CSRC_R4K
412	select CLKSRC_MIPS_GIC
413	select COMMON_CLK
414	select DMA_MAYBE_COHERENT
415	select GENERIC_ISA_DMA
416	select HAVE_PCSPKR_PLATFORM
417	select IRQ_MIPS_CPU
418	select MIPS_GIC
419	select HW_HAS_PCI
420	select I8253
421	select I8259
422	select MIPS_BONITO64
423	select MIPS_CPU_SCACHE
424	select MIPS_L1_CACHE_SHIFT_6
425	select PCI_GT64XXX_PCI0
426	select MIPS_MSC
427	select SWAP_IO_SPACE
428	select SYS_HAS_CPU_MIPS32_R1
429	select SYS_HAS_CPU_MIPS32_R2
430	select SYS_HAS_CPU_MIPS32_R3_5
431	select SYS_HAS_CPU_MIPS32_R5
432	select SYS_HAS_CPU_MIPS32_R6
433	select SYS_HAS_CPU_MIPS64_R1
434	select SYS_HAS_CPU_MIPS64_R2
435	select SYS_HAS_CPU_MIPS64_R6
436	select SYS_HAS_CPU_NEVADA
437	select SYS_HAS_CPU_RM7000
438	select SYS_SUPPORTS_32BIT_KERNEL
439	select SYS_SUPPORTS_64BIT_KERNEL
440	select SYS_SUPPORTS_BIG_ENDIAN
441	select SYS_SUPPORTS_HIGHMEM
442	select SYS_SUPPORTS_LITTLE_ENDIAN
443	select SYS_SUPPORTS_MICROMIPS
444	select SYS_SUPPORTS_MIPS_CMP
445	select SYS_SUPPORTS_MIPS_CPS
446	select SYS_SUPPORTS_MIPS16
447	select SYS_SUPPORTS_MULTITHREADING
448	select SYS_SUPPORTS_SMARTMIPS
449	select SYS_SUPPORTS_ZBOOT
450	select USE_OF
451	select ZONE_DMA32 if 64BIT
452	help
453	  This enables support for the MIPS Technologies Malta evaluation
454	  board.
455
456config MIPS_SEAD3
457	bool "MIPS SEAD3 board"
458	select BOOT_ELF32
459	select BOOT_RAW
460	select BUILTIN_DTB
461	select CEVT_R4K
462	select CSRC_R4K
463	select CLKSRC_MIPS_GIC
464	select COMMON_CLK
465	select CPU_MIPSR2_IRQ_VI
466	select CPU_MIPSR2_IRQ_EI
467	select DMA_NONCOHERENT
468	select IRQ_MIPS_CPU
469	select MIPS_GIC
470	select LIBFDT
471	select MIPS_MSC
472	select SYS_HAS_CPU_MIPS32_R1
473	select SYS_HAS_CPU_MIPS32_R2
474	select SYS_HAS_CPU_MIPS64_R1
475	select SYS_HAS_EARLY_PRINTK
476	select SYS_SUPPORTS_32BIT_KERNEL
477	select SYS_SUPPORTS_64BIT_KERNEL
478	select SYS_SUPPORTS_BIG_ENDIAN
479	select SYS_SUPPORTS_LITTLE_ENDIAN
480	select SYS_SUPPORTS_SMARTMIPS
481	select SYS_SUPPORTS_MICROMIPS
482	select SYS_SUPPORTS_MIPS16
483	select USB_EHCI_BIG_ENDIAN_DESC
484	select USB_EHCI_BIG_ENDIAN_MMIO
485	select USE_OF
486	help
487	  This enables support for the MIPS Technologies SEAD3 evaluation
488	  board.
489
490config NEC_MARKEINS
491	bool "NEC EMMA2RH Mark-eins board"
492	select SOC_EMMA2RH
493	select HW_HAS_PCI
494	help
495	  This enables support for the NEC Electronics Mark-eins boards.
496
497config MACH_VR41XX
498	bool "NEC VR4100 series based machines"
499	select CEVT_R4K
500	select CSRC_R4K
501	select SYS_HAS_CPU_VR41XX
502	select SYS_SUPPORTS_MIPS16
503	select ARCH_REQUIRE_GPIOLIB
504
505config NXP_STB220
506	bool "NXP STB220 board"
507	select SOC_PNX833X
508	help
509	 Support for NXP Semiconductors STB220 Development Board.
510
511config NXP_STB225
512	bool "NXP 225 board"
513	select SOC_PNX833X
514	select SOC_PNX8335
515	help
516	 Support for NXP Semiconductors STB225 Development Board.
517
518config PMC_MSP
519	bool "PMC-Sierra MSP chipsets"
520	select CEVT_R4K
521	select CSRC_R4K
522	select DMA_NONCOHERENT
523	select SWAP_IO_SPACE
524	select NO_EXCEPT_FILL
525	select BOOT_RAW
526	select SYS_HAS_CPU_MIPS32_R1
527	select SYS_HAS_CPU_MIPS32_R2
528	select SYS_SUPPORTS_32BIT_KERNEL
529	select SYS_SUPPORTS_BIG_ENDIAN
530	select SYS_SUPPORTS_MIPS16
531	select IRQ_MIPS_CPU
532	select SERIAL_8250
533	select SERIAL_8250_CONSOLE
534	select USB_EHCI_BIG_ENDIAN_MMIO
535	select USB_EHCI_BIG_ENDIAN_DESC
536	help
537	  This adds support for the PMC-Sierra family of Multi-Service
538	  Processor System-On-A-Chips.  These parts include a number
539	  of integrated peripherals, interfaces and DSPs in addition to
540	  a variety of MIPS cores.
541
542config RALINK
543	bool "Ralink based machines"
544	select CEVT_R4K
545	select CSRC_R4K
546	select BOOT_RAW
547	select DMA_NONCOHERENT
548	select IRQ_MIPS_CPU
549	select USE_OF
550	select SYS_HAS_CPU_MIPS32_R1
551	select SYS_HAS_CPU_MIPS32_R2
552	select SYS_SUPPORTS_32BIT_KERNEL
553	select SYS_SUPPORTS_LITTLE_ENDIAN
554	select SYS_SUPPORTS_MIPS16
555	select SYS_HAS_EARLY_PRINTK
556	select HAVE_MACH_CLKDEV
557	select CLKDEV_LOOKUP
558	select ARCH_HAS_RESET_CONTROLLER
559	select RESET_CONTROLLER
560
561config SGI_IP22
562	bool "SGI IP22 (Indy/Indigo2)"
563	select FW_ARC
564	select FW_ARC32
565	select BOOT_ELF32
566	select CEVT_R4K
567	select CSRC_R4K
568	select DEFAULT_SGI_PARTITION
569	select DMA_NONCOHERENT
570	select HW_HAS_EISA
571	select I8253
572	select I8259
573	select IP22_CPU_SCACHE
574	select IRQ_MIPS_CPU
575	select GENERIC_ISA_DMA_SUPPORT_BROKEN
576	select SGI_HAS_I8042
577	select SGI_HAS_INDYDOG
578	select SGI_HAS_HAL2
579	select SGI_HAS_SEEQ
580	select SGI_HAS_WD93
581	select SGI_HAS_ZILOG
582	select SWAP_IO_SPACE
583	select SYS_HAS_CPU_R4X00
584	select SYS_HAS_CPU_R5000
585	#
586	# Disable EARLY_PRINTK for now since it leads to overwritten prom
587	# memory during early boot on some machines.
588	#
589	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
590	# for a more details discussion
591	#
592	# select SYS_HAS_EARLY_PRINTK
593	select SYS_SUPPORTS_32BIT_KERNEL
594	select SYS_SUPPORTS_64BIT_KERNEL
595	select SYS_SUPPORTS_BIG_ENDIAN
596	select MIPS_L1_CACHE_SHIFT_7
597	help
598	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
599	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
600	  that runs on these, say Y here.
601
602config SGI_IP27
603	bool "SGI IP27 (Origin200/2000)"
604	select FW_ARC
605	select FW_ARC64
606	select BOOT_ELF64
607	select DEFAULT_SGI_PARTITION
608	select DMA_COHERENT
609	select SYS_HAS_EARLY_PRINTK
610	select HW_HAS_PCI
611	select NR_CPUS_DEFAULT_64
612	select SYS_HAS_CPU_R10000
613	select SYS_SUPPORTS_64BIT_KERNEL
614	select SYS_SUPPORTS_BIG_ENDIAN
615	select SYS_SUPPORTS_NUMA
616	select SYS_SUPPORTS_SMP
617	select MIPS_L1_CACHE_SHIFT_7
618	help
619	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
620	  workstations.  To compile a Linux kernel that runs on these, say Y
621	  here.
622
623config SGI_IP28
624	bool "SGI IP28 (Indigo2 R10k)"
625	select FW_ARC
626	select FW_ARC64
627	select BOOT_ELF64
628	select CEVT_R4K
629	select CSRC_R4K
630	select DEFAULT_SGI_PARTITION
631	select DMA_NONCOHERENT
632	select GENERIC_ISA_DMA_SUPPORT_BROKEN
633	select IRQ_MIPS_CPU
634	select HW_HAS_EISA
635	select I8253
636	select I8259
637	select SGI_HAS_I8042
638	select SGI_HAS_INDYDOG
639	select SGI_HAS_HAL2
640	select SGI_HAS_SEEQ
641	select SGI_HAS_WD93
642	select SGI_HAS_ZILOG
643	select SWAP_IO_SPACE
644	select SYS_HAS_CPU_R10000
645	#
646	# Disable EARLY_PRINTK for now since it leads to overwritten prom
647	# memory during early boot on some machines.
648	#
649	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
650	# for a more details discussion
651	#
652	# select SYS_HAS_EARLY_PRINTK
653	select SYS_SUPPORTS_64BIT_KERNEL
654	select SYS_SUPPORTS_BIG_ENDIAN
655	select MIPS_L1_CACHE_SHIFT_7
656      help
657        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
658        kernel that runs on these, say Y here.
659
660config SGI_IP32
661	bool "SGI IP32 (O2)"
662	select FW_ARC
663	select FW_ARC32
664	select BOOT_ELF32
665	select CEVT_R4K
666	select CSRC_R4K
667	select DMA_NONCOHERENT
668	select HW_HAS_PCI
669	select IRQ_MIPS_CPU
670	select R5000_CPU_SCACHE
671	select RM7000_CPU_SCACHE
672	select SYS_HAS_CPU_R5000
673	select SYS_HAS_CPU_R10000 if BROKEN
674	select SYS_HAS_CPU_RM7000
675	select SYS_HAS_CPU_NEVADA
676	select SYS_SUPPORTS_64BIT_KERNEL
677	select SYS_SUPPORTS_BIG_ENDIAN
678	help
679	  If you want this kernel to run on SGI O2 workstation, say Y here.
680
681config SIBYTE_CRHINE
682	bool "Sibyte BCM91120C-CRhine"
683	select BOOT_ELF32
684	select DMA_COHERENT
685	select SIBYTE_BCM1120
686	select SWAP_IO_SPACE
687	select SYS_HAS_CPU_SB1
688	select SYS_SUPPORTS_BIG_ENDIAN
689	select SYS_SUPPORTS_LITTLE_ENDIAN
690
691config SIBYTE_CARMEL
692	bool "Sibyte BCM91120x-Carmel"
693	select BOOT_ELF32
694	select DMA_COHERENT
695	select SIBYTE_BCM1120
696	select SWAP_IO_SPACE
697	select SYS_HAS_CPU_SB1
698	select SYS_SUPPORTS_BIG_ENDIAN
699	select SYS_SUPPORTS_LITTLE_ENDIAN
700
701config SIBYTE_CRHONE
702	bool "Sibyte BCM91125C-CRhone"
703	select BOOT_ELF32
704	select DMA_COHERENT
705	select SIBYTE_BCM1125
706	select SWAP_IO_SPACE
707	select SYS_HAS_CPU_SB1
708	select SYS_SUPPORTS_BIG_ENDIAN
709	select SYS_SUPPORTS_HIGHMEM
710	select SYS_SUPPORTS_LITTLE_ENDIAN
711
712config SIBYTE_RHONE
713	bool "Sibyte BCM91125E-Rhone"
714	select BOOT_ELF32
715	select DMA_COHERENT
716	select SIBYTE_BCM1125H
717	select SWAP_IO_SPACE
718	select SYS_HAS_CPU_SB1
719	select SYS_SUPPORTS_BIG_ENDIAN
720	select SYS_SUPPORTS_LITTLE_ENDIAN
721
722config SIBYTE_SWARM
723	bool "Sibyte BCM91250A-SWARM"
724	select BOOT_ELF32
725	select DMA_COHERENT
726	select HAVE_PATA_PLATFORM
727	select SIBYTE_SB1250
728	select SWAP_IO_SPACE
729	select SYS_HAS_CPU_SB1
730	select SYS_SUPPORTS_BIG_ENDIAN
731	select SYS_SUPPORTS_HIGHMEM
732	select SYS_SUPPORTS_LITTLE_ENDIAN
733	select ZONE_DMA32 if 64BIT
734
735config SIBYTE_LITTLESUR
736	bool "Sibyte BCM91250C2-LittleSur"
737	select BOOT_ELF32
738	select DMA_COHERENT
739	select HAVE_PATA_PLATFORM
740	select SIBYTE_SB1250
741	select SWAP_IO_SPACE
742	select SYS_HAS_CPU_SB1
743	select SYS_SUPPORTS_BIG_ENDIAN
744	select SYS_SUPPORTS_HIGHMEM
745	select SYS_SUPPORTS_LITTLE_ENDIAN
746
747config SIBYTE_SENTOSA
748	bool "Sibyte BCM91250E-Sentosa"
749	select BOOT_ELF32
750	select DMA_COHERENT
751	select SIBYTE_SB1250
752	select SWAP_IO_SPACE
753	select SYS_HAS_CPU_SB1
754	select SYS_SUPPORTS_BIG_ENDIAN
755	select SYS_SUPPORTS_LITTLE_ENDIAN
756
757config SIBYTE_BIGSUR
758	bool "Sibyte BCM91480B-BigSur"
759	select BOOT_ELF32
760	select DMA_COHERENT
761	select NR_CPUS_DEFAULT_4
762	select SIBYTE_BCM1x80
763	select SWAP_IO_SPACE
764	select SYS_HAS_CPU_SB1
765	select SYS_SUPPORTS_BIG_ENDIAN
766	select SYS_SUPPORTS_HIGHMEM
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768	select ZONE_DMA32 if 64BIT
769
770config SNI_RM
771	bool "SNI RM200/300/400"
772	select FW_ARC if CPU_LITTLE_ENDIAN
773	select FW_ARC32 if CPU_LITTLE_ENDIAN
774	select FW_SNIPROM if CPU_BIG_ENDIAN
775	select ARCH_MAY_HAVE_PC_FDC
776	select BOOT_ELF32
777	select CEVT_R4K
778	select CSRC_R4K
779	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
780	select DMA_NONCOHERENT
781	select GENERIC_ISA_DMA
782	select HAVE_PCSPKR_PLATFORM
783	select HW_HAS_EISA
784	select HW_HAS_PCI
785	select IRQ_MIPS_CPU
786	select I8253
787	select I8259
788	select ISA
789	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
790	select SYS_HAS_CPU_R4X00
791	select SYS_HAS_CPU_R5000
792	select SYS_HAS_CPU_R10000
793	select R5000_CPU_SCACHE
794	select SYS_HAS_EARLY_PRINTK
795	select SYS_SUPPORTS_32BIT_KERNEL
796	select SYS_SUPPORTS_64BIT_KERNEL
797	select SYS_SUPPORTS_BIG_ENDIAN
798	select SYS_SUPPORTS_HIGHMEM
799	select SYS_SUPPORTS_LITTLE_ENDIAN
800	help
801	  The SNI RM200/300/400 are MIPS-based machines manufactured by
802	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
803	  Technology and now in turn merged with Fujitsu.  Say Y here to
804	  support this machine type.
805
806config MACH_TX39XX
807	bool "Toshiba TX39 series based machines"
808
809config MACH_TX49XX
810	bool "Toshiba TX49 series based machines"
811
812config MIKROTIK_RB532
813	bool "Mikrotik RB532 boards"
814	select CEVT_R4K
815	select CSRC_R4K
816	select DMA_NONCOHERENT
817	select HW_HAS_PCI
818	select IRQ_MIPS_CPU
819	select SYS_HAS_CPU_MIPS32_R1
820	select SYS_SUPPORTS_32BIT_KERNEL
821	select SYS_SUPPORTS_LITTLE_ENDIAN
822	select SWAP_IO_SPACE
823	select BOOT_RAW
824	select ARCH_REQUIRE_GPIOLIB
825	select MIPS_L1_CACHE_SHIFT_4
826	help
827	  Support the Mikrotik(tm) RouterBoard 532 series,
828	  based on the IDT RC32434 SoC.
829
830config CAVIUM_OCTEON_SOC
831	bool "Cavium Networks Octeon SoC based boards"
832	select CEVT_R4K
833	select ARCH_PHYS_ADDR_T_64BIT
834	select DMA_COHERENT
835	select SYS_SUPPORTS_64BIT_KERNEL
836	select SYS_SUPPORTS_BIG_ENDIAN
837	select EDAC_SUPPORT
838	select EDAC_ATOMIC_SCRUB
839	select SYS_SUPPORTS_LITTLE_ENDIAN
840	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
841	select SYS_HAS_EARLY_PRINTK
842	select SYS_HAS_CPU_CAVIUM_OCTEON
843	select SWAP_IO_SPACE
844	select HW_HAS_PCI
845	select ZONE_DMA32
846	select HOLES_IN_ZONE
847	select ARCH_REQUIRE_GPIOLIB
848	select LIBFDT
849	select USE_OF
850	select ARCH_SPARSEMEM_ENABLE
851	select SYS_SUPPORTS_SMP
852	select NR_CPUS_DEFAULT_16
853	select BUILTIN_DTB
854	select MTD_COMPLEX_MAPPINGS
855	help
856	  This option supports all of the Octeon reference boards from Cavium
857	  Networks. It builds a kernel that dynamically determines the Octeon
858	  CPU type and supports all known board reference implementations.
859	  Some of the supported boards are:
860		EBT3000
861		EBH3000
862		EBH3100
863		Thunder
864		Kodama
865		Hikari
866	  Say Y here for most Octeon reference boards.
867
868config NLM_XLR_BOARD
869	bool "Netlogic XLR/XLS based systems"
870	select BOOT_ELF32
871	select NLM_COMMON
872	select SYS_HAS_CPU_XLR
873	select SYS_SUPPORTS_SMP
874	select HW_HAS_PCI
875	select SWAP_IO_SPACE
876	select SYS_SUPPORTS_32BIT_KERNEL
877	select SYS_SUPPORTS_64BIT_KERNEL
878	select ARCH_PHYS_ADDR_T_64BIT
879	select SYS_SUPPORTS_BIG_ENDIAN
880	select SYS_SUPPORTS_HIGHMEM
881	select DMA_COHERENT
882	select NR_CPUS_DEFAULT_32
883	select CEVT_R4K
884	select CSRC_R4K
885	select IRQ_MIPS_CPU
886	select ZONE_DMA32 if 64BIT
887	select SYNC_R4K
888	select SYS_HAS_EARLY_PRINTK
889	select SYS_SUPPORTS_ZBOOT
890	select SYS_SUPPORTS_ZBOOT_UART16550
891	help
892	  Support for systems based on Netlogic XLR and XLS processors.
893	  Say Y here if you have a XLR or XLS based board.
894
895config NLM_XLP_BOARD
896	bool "Netlogic XLP based systems"
897	select BOOT_ELF32
898	select NLM_COMMON
899	select SYS_HAS_CPU_XLP
900	select SYS_SUPPORTS_SMP
901	select HW_HAS_PCI
902	select SYS_SUPPORTS_32BIT_KERNEL
903	select SYS_SUPPORTS_64BIT_KERNEL
904	select ARCH_PHYS_ADDR_T_64BIT
905	select ARCH_REQUIRE_GPIOLIB
906	select SYS_SUPPORTS_BIG_ENDIAN
907	select SYS_SUPPORTS_LITTLE_ENDIAN
908	select SYS_SUPPORTS_HIGHMEM
909	select DMA_COHERENT
910	select NR_CPUS_DEFAULT_32
911	select CEVT_R4K
912	select CSRC_R4K
913	select IRQ_MIPS_CPU
914	select ZONE_DMA32 if 64BIT
915	select SYNC_R4K
916	select SYS_HAS_EARLY_PRINTK
917	select USE_OF
918	select SYS_SUPPORTS_ZBOOT
919	select SYS_SUPPORTS_ZBOOT_UART16550
920	help
921	  This board is based on Netlogic XLP Processor.
922	  Say Y here if you have a XLP based board.
923
924config MIPS_PARAVIRT
925	bool "Para-Virtualized guest system"
926	select CEVT_R4K
927	select CSRC_R4K
928	select DMA_COHERENT
929	select SYS_SUPPORTS_64BIT_KERNEL
930	select SYS_SUPPORTS_32BIT_KERNEL
931	select SYS_SUPPORTS_BIG_ENDIAN
932	select SYS_SUPPORTS_SMP
933	select NR_CPUS_DEFAULT_4
934	select SYS_HAS_EARLY_PRINTK
935	select SYS_HAS_CPU_MIPS32_R2
936	select SYS_HAS_CPU_MIPS64_R2
937	select SYS_HAS_CPU_CAVIUM_OCTEON
938	select HW_HAS_PCI
939	select SWAP_IO_SPACE
940	help
941	  This option supports guest running under ????
942
943endchoice
944
945source "arch/mips/alchemy/Kconfig"
946source "arch/mips/ath25/Kconfig"
947source "arch/mips/ath79/Kconfig"
948source "arch/mips/bcm47xx/Kconfig"
949source "arch/mips/bcm63xx/Kconfig"
950source "arch/mips/bmips/Kconfig"
951source "arch/mips/jazz/Kconfig"
952source "arch/mips/jz4740/Kconfig"
953source "arch/mips/lantiq/Kconfig"
954source "arch/mips/lasat/Kconfig"
955source "arch/mips/pistachio/Kconfig"
956source "arch/mips/pmcs-msp71xx/Kconfig"
957source "arch/mips/ralink/Kconfig"
958source "arch/mips/sgi-ip27/Kconfig"
959source "arch/mips/sibyte/Kconfig"
960source "arch/mips/txx9/Kconfig"
961source "arch/mips/vr41xx/Kconfig"
962source "arch/mips/cavium-octeon/Kconfig"
963source "arch/mips/loongson32/Kconfig"
964source "arch/mips/loongson64/Kconfig"
965source "arch/mips/netlogic/Kconfig"
966source "arch/mips/paravirt/Kconfig"
967
968endmenu
969
970config RWSEM_GENERIC_SPINLOCK
971	bool
972	default y
973
974config RWSEM_XCHGADD_ALGORITHM
975	bool
976
977config ARCH_HAS_ILOG2_U32
978	bool
979	default n
980
981config ARCH_HAS_ILOG2_U64
982	bool
983	default n
984
985config GENERIC_HWEIGHT
986	bool
987	default y
988
989config GENERIC_CALIBRATE_DELAY
990	bool
991	default y
992
993config SCHED_OMIT_FRAME_POINTER
994	bool
995	default y
996
997#
998# Select some configuration options automatically based on user selections.
999#
1000config FW_ARC
1001	bool
1002
1003config ARCH_MAY_HAVE_PC_FDC
1004	bool
1005
1006config BOOT_RAW
1007	bool
1008
1009config CEVT_BCM1480
1010	bool
1011
1012config CEVT_DS1287
1013	bool
1014
1015config CEVT_GT641XX
1016	bool
1017
1018config CEVT_R4K
1019	bool
1020
1021config CEVT_SB1250
1022	bool
1023
1024config CEVT_TXX9
1025	bool
1026
1027config CSRC_BCM1480
1028	bool
1029
1030config CSRC_IOASIC
1031	bool
1032
1033config CSRC_R4K
1034	bool
1035
1036config CSRC_SB1250
1037	bool
1038
1039config GPIO_TXX9
1040	select ARCH_REQUIRE_GPIOLIB
1041	bool
1042
1043config FW_CFE
1044	bool
1045
1046config ARCH_DMA_ADDR_T_64BIT
1047	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1048
1049config ARCH_SUPPORTS_UPROBES
1050	bool
1051
1052config DMA_MAYBE_COHERENT
1053	select DMA_NONCOHERENT
1054	bool
1055
1056config DMA_COHERENT
1057	bool
1058
1059config DMA_NONCOHERENT
1060	bool
1061	select NEED_DMA_MAP_STATE
1062
1063config NEED_DMA_MAP_STATE
1064	bool
1065
1066config SYS_HAS_EARLY_PRINTK
1067	bool
1068
1069config HOTPLUG_CPU
1070	bool "Support for hot-pluggable CPUs"
1071	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1072	help
1073	  Say Y here to allow turning CPUs off and on. CPUs can be
1074	  controlled through /sys/devices/system/cpu.
1075	  (Note: power management support will enable this option
1076	    automatically on SMP systems. )
1077	  Say N if you want to disable CPU hotplug.
1078
1079config SYS_SUPPORTS_HOTPLUG_CPU
1080	bool
1081
1082config MIPS_BONITO64
1083	bool
1084
1085config MIPS_MSC
1086	bool
1087
1088config MIPS_NILE4
1089	bool
1090
1091config SYNC_R4K
1092	bool
1093
1094config MIPS_MACHINE
1095	def_bool n
1096
1097config NO_IOPORT_MAP
1098	def_bool n
1099
1100config GENERIC_CSUM
1101	bool
1102
1103config GENERIC_ISA_DMA
1104	bool
1105	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1106	select ISA_DMA_API
1107
1108config GENERIC_ISA_DMA_SUPPORT_BROKEN
1109	bool
1110	select GENERIC_ISA_DMA
1111
1112config ISA_DMA_API
1113	bool
1114
1115config HOLES_IN_ZONE
1116	bool
1117
1118#
1119# Endianness selection.  Sufficiently obscure so many users don't know what to
1120# answer,so we try hard to limit the available choices.  Also the use of a
1121# choice statement should be more obvious to the user.
1122#
1123choice
1124	prompt "Endianness selection"
1125	help
1126	  Some MIPS machines can be configured for either little or big endian
1127	  byte order. These modes require different kernels and a different
1128	  Linux distribution.  In general there is one preferred byteorder for a
1129	  particular system but some systems are just as commonly used in the
1130	  one or the other endianness.
1131
1132config CPU_BIG_ENDIAN
1133	bool "Big endian"
1134	depends on SYS_SUPPORTS_BIG_ENDIAN
1135
1136config CPU_LITTLE_ENDIAN
1137	bool "Little endian"
1138	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1139
1140endchoice
1141
1142config EXPORT_UASM
1143	bool
1144
1145config SYS_SUPPORTS_APM_EMULATION
1146	bool
1147
1148config SYS_SUPPORTS_BIG_ENDIAN
1149	bool
1150
1151config SYS_SUPPORTS_LITTLE_ENDIAN
1152	bool
1153
1154config SYS_SUPPORTS_HUGETLBFS
1155	bool
1156	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1157	default y
1158
1159config MIPS_HUGE_TLB_SUPPORT
1160	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1161
1162config IRQ_CPU_RM7K
1163	bool
1164
1165config IRQ_MSP_SLP
1166	bool
1167
1168config IRQ_MSP_CIC
1169	bool
1170
1171config IRQ_TXX9
1172	bool
1173
1174config IRQ_GT641XX
1175	bool
1176
1177config PCI_GT64XXX_PCI0
1178	bool
1179
1180config NO_EXCEPT_FILL
1181	bool
1182
1183config SOC_EMMA2RH
1184	bool
1185	select CEVT_R4K
1186	select CSRC_R4K
1187	select DMA_NONCOHERENT
1188	select IRQ_MIPS_CPU
1189	select SWAP_IO_SPACE
1190	select SYS_HAS_CPU_R5500
1191	select SYS_SUPPORTS_32BIT_KERNEL
1192	select SYS_SUPPORTS_64BIT_KERNEL
1193	select SYS_SUPPORTS_BIG_ENDIAN
1194
1195config SOC_PNX833X
1196	bool
1197	select CEVT_R4K
1198	select CSRC_R4K
1199	select IRQ_MIPS_CPU
1200	select DMA_NONCOHERENT
1201	select SYS_HAS_CPU_MIPS32_R2
1202	select SYS_SUPPORTS_32BIT_KERNEL
1203	select SYS_SUPPORTS_LITTLE_ENDIAN
1204	select SYS_SUPPORTS_BIG_ENDIAN
1205	select SYS_SUPPORTS_MIPS16
1206	select CPU_MIPSR2_IRQ_VI
1207
1208config SOC_PNX8335
1209	bool
1210	select SOC_PNX833X
1211
1212config MIPS_SPRAM
1213	bool
1214
1215config SWAP_IO_SPACE
1216	bool
1217
1218config SGI_HAS_INDYDOG
1219	bool
1220
1221config SGI_HAS_HAL2
1222	bool
1223
1224config SGI_HAS_SEEQ
1225	bool
1226
1227config SGI_HAS_WD93
1228	bool
1229
1230config SGI_HAS_ZILOG
1231	bool
1232
1233config SGI_HAS_I8042
1234	bool
1235
1236config DEFAULT_SGI_PARTITION
1237	bool
1238
1239config FW_ARC32
1240	bool
1241
1242config FW_SNIPROM
1243	bool
1244
1245config BOOT_ELF32
1246	bool
1247
1248config MIPS_L1_CACHE_SHIFT_4
1249	bool
1250
1251config MIPS_L1_CACHE_SHIFT_5
1252	bool
1253
1254config MIPS_L1_CACHE_SHIFT_6
1255	bool
1256
1257config MIPS_L1_CACHE_SHIFT_7
1258	bool
1259
1260config MIPS_L1_CACHE_SHIFT
1261	int
1262	default "7" if MIPS_L1_CACHE_SHIFT_7
1263	default "6" if MIPS_L1_CACHE_SHIFT_6
1264	default "5" if MIPS_L1_CACHE_SHIFT_5
1265	default "4" if MIPS_L1_CACHE_SHIFT_4
1266	default "5"
1267
1268config HAVE_STD_PC_SERIAL_PORT
1269	bool
1270
1271config ARC_CONSOLE
1272	bool "ARC console support"
1273	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1274
1275config ARC_MEMORY
1276	bool
1277	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1278	default y
1279
1280config ARC_PROMLIB
1281	bool
1282	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1283	default y
1284
1285config FW_ARC64
1286	bool
1287
1288config BOOT_ELF64
1289	bool
1290
1291menu "CPU selection"
1292
1293choice
1294	prompt "CPU type"
1295	default CPU_R4X00
1296
1297config CPU_LOONGSON3
1298	bool "Loongson 3 CPU"
1299	depends on SYS_HAS_CPU_LOONGSON3
1300	select CPU_SUPPORTS_64BIT_KERNEL
1301	select CPU_SUPPORTS_HIGHMEM
1302	select CPU_SUPPORTS_HUGEPAGES
1303	select WEAK_ORDERING
1304	select WEAK_REORDERING_BEYOND_LLSC
1305	select ARCH_REQUIRE_GPIOLIB
1306	help
1307		The Loongson 3 processor implements the MIPS64R2 instruction
1308		set with many extensions.
1309
1310config CPU_LOONGSON2E
1311	bool "Loongson 2E"
1312	depends on SYS_HAS_CPU_LOONGSON2E
1313	select CPU_LOONGSON2
1314	help
1315	  The Loongson 2E processor implements the MIPS III instruction set
1316	  with many extensions.
1317
1318	  It has an internal FPGA northbridge, which is compatible to
1319	  bonito64.
1320
1321config CPU_LOONGSON2F
1322	bool "Loongson 2F"
1323	depends on SYS_HAS_CPU_LOONGSON2F
1324	select CPU_LOONGSON2
1325	select ARCH_REQUIRE_GPIOLIB
1326	help
1327	  The Loongson 2F processor implements the MIPS III instruction set
1328	  with many extensions.
1329
1330	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1331	  have a similar programming interface with FPGA northbridge used in
1332	  Loongson2E.
1333
1334config CPU_LOONGSON1B
1335	bool "Loongson 1B"
1336	depends on SYS_HAS_CPU_LOONGSON1B
1337	select CPU_LOONGSON1
1338	help
1339	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1340	  release 2 instruction set.
1341
1342config CPU_MIPS32_R1
1343	bool "MIPS32 Release 1"
1344	depends on SYS_HAS_CPU_MIPS32_R1
1345	select CPU_HAS_PREFETCH
1346	select CPU_SUPPORTS_32BIT_KERNEL
1347	select CPU_SUPPORTS_HIGHMEM
1348	help
1349	  Choose this option to build a kernel for release 1 or later of the
1350	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1351	  MIPS processor are based on a MIPS32 processor.  If you know the
1352	  specific type of processor in your system, choose those that one
1353	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1354	  Release 2 of the MIPS32 architecture is available since several
1355	  years so chances are you even have a MIPS32 Release 2 processor
1356	  in which case you should choose CPU_MIPS32_R2 instead for better
1357	  performance.
1358
1359config CPU_MIPS32_R2
1360	bool "MIPS32 Release 2"
1361	depends on SYS_HAS_CPU_MIPS32_R2
1362	select CPU_HAS_PREFETCH
1363	select CPU_SUPPORTS_32BIT_KERNEL
1364	select CPU_SUPPORTS_HIGHMEM
1365	select CPU_SUPPORTS_MSA
1366	select HAVE_KVM
1367	help
1368	  Choose this option to build a kernel for release 2 or later of the
1369	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1370	  MIPS processor are based on a MIPS32 processor.  If you know the
1371	  specific type of processor in your system, choose those that one
1372	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1373
1374config CPU_MIPS32_R6
1375	bool "MIPS32 Release 6"
1376	depends on SYS_HAS_CPU_MIPS32_R6
1377	select CPU_HAS_PREFETCH
1378	select CPU_SUPPORTS_32BIT_KERNEL
1379	select CPU_SUPPORTS_HIGHMEM
1380	select CPU_SUPPORTS_MSA
1381	select GENERIC_CSUM
1382	select HAVE_KVM
1383	select MIPS_O32_FP64_SUPPORT
1384	help
1385	  Choose this option to build a kernel for release 6 or later of the
1386	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1387	  family, are based on a MIPS32r6 processor. If you own an older
1388	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1389
1390config CPU_MIPS64_R1
1391	bool "MIPS64 Release 1"
1392	depends on SYS_HAS_CPU_MIPS64_R1
1393	select CPU_HAS_PREFETCH
1394	select CPU_SUPPORTS_32BIT_KERNEL
1395	select CPU_SUPPORTS_64BIT_KERNEL
1396	select CPU_SUPPORTS_HIGHMEM
1397	select CPU_SUPPORTS_HUGEPAGES
1398	help
1399	  Choose this option to build a kernel for release 1 or later of the
1400	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1401	  MIPS processor are based on a MIPS64 processor.  If you know the
1402	  specific type of processor in your system, choose those that one
1403	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1404	  Release 2 of the MIPS64 architecture is available since several
1405	  years so chances are you even have a MIPS64 Release 2 processor
1406	  in which case you should choose CPU_MIPS64_R2 instead for better
1407	  performance.
1408
1409config CPU_MIPS64_R2
1410	bool "MIPS64 Release 2"
1411	depends on SYS_HAS_CPU_MIPS64_R2
1412	select CPU_HAS_PREFETCH
1413	select CPU_SUPPORTS_32BIT_KERNEL
1414	select CPU_SUPPORTS_64BIT_KERNEL
1415	select CPU_SUPPORTS_HIGHMEM
1416	select CPU_SUPPORTS_HUGEPAGES
1417	select CPU_SUPPORTS_MSA
1418	help
1419	  Choose this option to build a kernel for release 2 or later of the
1420	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1421	  MIPS processor are based on a MIPS64 processor.  If you know the
1422	  specific type of processor in your system, choose those that one
1423	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1424
1425config CPU_MIPS64_R6
1426	bool "MIPS64 Release 6"
1427	depends on SYS_HAS_CPU_MIPS64_R6
1428	select CPU_HAS_PREFETCH
1429	select CPU_SUPPORTS_32BIT_KERNEL
1430	select CPU_SUPPORTS_64BIT_KERNEL
1431	select CPU_SUPPORTS_HIGHMEM
1432	select CPU_SUPPORTS_MSA
1433	select GENERIC_CSUM
1434	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1435	help
1436	  Choose this option to build a kernel for release 6 or later of the
1437	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1438	  family, are based on a MIPS64r6 processor. If you own an older
1439	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1440
1441config CPU_R3000
1442	bool "R3000"
1443	depends on SYS_HAS_CPU_R3000
1444	select CPU_HAS_WB
1445	select CPU_SUPPORTS_32BIT_KERNEL
1446	select CPU_SUPPORTS_HIGHMEM
1447	help
1448	  Please make sure to pick the right CPU type. Linux/MIPS is not
1449	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1450	  *not* work on R4000 machines and vice versa.  However, since most
1451	  of the supported machines have an R4000 (or similar) CPU, R4x00
1452	  might be a safe bet.  If the resulting kernel does not work,
1453	  try to recompile with R3000.
1454
1455config CPU_TX39XX
1456	bool "R39XX"
1457	depends on SYS_HAS_CPU_TX39XX
1458	select CPU_SUPPORTS_32BIT_KERNEL
1459
1460config CPU_VR41XX
1461	bool "R41xx"
1462	depends on SYS_HAS_CPU_VR41XX
1463	select CPU_SUPPORTS_32BIT_KERNEL
1464	select CPU_SUPPORTS_64BIT_KERNEL
1465	help
1466	  The options selects support for the NEC VR4100 series of processors.
1467	  Only choose this option if you have one of these processors as a
1468	  kernel built with this option will not run on any other type of
1469	  processor or vice versa.
1470
1471config CPU_R4300
1472	bool "R4300"
1473	depends on SYS_HAS_CPU_R4300
1474	select CPU_SUPPORTS_32BIT_KERNEL
1475	select CPU_SUPPORTS_64BIT_KERNEL
1476	help
1477	  MIPS Technologies R4300-series processors.
1478
1479config CPU_R4X00
1480	bool "R4x00"
1481	depends on SYS_HAS_CPU_R4X00
1482	select CPU_SUPPORTS_32BIT_KERNEL
1483	select CPU_SUPPORTS_64BIT_KERNEL
1484	select CPU_SUPPORTS_HUGEPAGES
1485	help
1486	  MIPS Technologies R4000-series processors other than 4300, including
1487	  the R4000, R4400, R4600, and 4700.
1488
1489config CPU_TX49XX
1490	bool "R49XX"
1491	depends on SYS_HAS_CPU_TX49XX
1492	select CPU_HAS_PREFETCH
1493	select CPU_SUPPORTS_32BIT_KERNEL
1494	select CPU_SUPPORTS_64BIT_KERNEL
1495	select CPU_SUPPORTS_HUGEPAGES
1496
1497config CPU_R5000
1498	bool "R5000"
1499	depends on SYS_HAS_CPU_R5000
1500	select CPU_SUPPORTS_32BIT_KERNEL
1501	select CPU_SUPPORTS_64BIT_KERNEL
1502	select CPU_SUPPORTS_HUGEPAGES
1503	help
1504	  MIPS Technologies R5000-series processors other than the Nevada.
1505
1506config CPU_R5432
1507	bool "R5432"
1508	depends on SYS_HAS_CPU_R5432
1509	select CPU_SUPPORTS_32BIT_KERNEL
1510	select CPU_SUPPORTS_64BIT_KERNEL
1511	select CPU_SUPPORTS_HUGEPAGES
1512
1513config CPU_R5500
1514	bool "R5500"
1515	depends on SYS_HAS_CPU_R5500
1516	select CPU_SUPPORTS_32BIT_KERNEL
1517	select CPU_SUPPORTS_64BIT_KERNEL
1518	select CPU_SUPPORTS_HUGEPAGES
1519	help
1520	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1521	  instruction set.
1522
1523config CPU_R6000
1524	bool "R6000"
1525	depends on SYS_HAS_CPU_R6000
1526	select CPU_SUPPORTS_32BIT_KERNEL
1527	help
1528	  MIPS Technologies R6000 and R6000A series processors.  Note these
1529	  processors are extremely rare and the support for them is incomplete.
1530
1531config CPU_NEVADA
1532	bool "RM52xx"
1533	depends on SYS_HAS_CPU_NEVADA
1534	select CPU_SUPPORTS_32BIT_KERNEL
1535	select CPU_SUPPORTS_64BIT_KERNEL
1536	select CPU_SUPPORTS_HUGEPAGES
1537	help
1538	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1539
1540config CPU_R8000
1541	bool "R8000"
1542	depends on SYS_HAS_CPU_R8000
1543	select CPU_HAS_PREFETCH
1544	select CPU_SUPPORTS_64BIT_KERNEL
1545	help
1546	  MIPS Technologies R8000 processors.  Note these processors are
1547	  uncommon and the support for them is incomplete.
1548
1549config CPU_R10000
1550	bool "R10000"
1551	depends on SYS_HAS_CPU_R10000
1552	select CPU_HAS_PREFETCH
1553	select CPU_SUPPORTS_32BIT_KERNEL
1554	select CPU_SUPPORTS_64BIT_KERNEL
1555	select CPU_SUPPORTS_HIGHMEM
1556	select CPU_SUPPORTS_HUGEPAGES
1557	help
1558	  MIPS Technologies R10000-series processors.
1559
1560config CPU_RM7000
1561	bool "RM7000"
1562	depends on SYS_HAS_CPU_RM7000
1563	select CPU_HAS_PREFETCH
1564	select CPU_SUPPORTS_32BIT_KERNEL
1565	select CPU_SUPPORTS_64BIT_KERNEL
1566	select CPU_SUPPORTS_HIGHMEM
1567	select CPU_SUPPORTS_HUGEPAGES
1568
1569config CPU_SB1
1570	bool "SB1"
1571	depends on SYS_HAS_CPU_SB1
1572	select CPU_SUPPORTS_32BIT_KERNEL
1573	select CPU_SUPPORTS_64BIT_KERNEL
1574	select CPU_SUPPORTS_HIGHMEM
1575	select CPU_SUPPORTS_HUGEPAGES
1576	select WEAK_ORDERING
1577
1578config CPU_CAVIUM_OCTEON
1579	bool "Cavium Octeon processor"
1580	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1581	select CPU_HAS_PREFETCH
1582	select CPU_SUPPORTS_64BIT_KERNEL
1583	select WEAK_ORDERING
1584	select CPU_SUPPORTS_HIGHMEM
1585	select CPU_SUPPORTS_HUGEPAGES
1586	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1587	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1588	select MIPS_L1_CACHE_SHIFT_7
1589	help
1590	  The Cavium Octeon processor is a highly integrated chip containing
1591	  many ethernet hardware widgets for networking tasks. The processor
1592	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1593	  Full details can be found at http://www.caviumnetworks.com.
1594
1595config CPU_BMIPS
1596	bool "Broadcom BMIPS"
1597	depends on SYS_HAS_CPU_BMIPS
1598	select CPU_MIPS32
1599	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1600	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1601	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1602	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1603	select CPU_SUPPORTS_32BIT_KERNEL
1604	select DMA_NONCOHERENT
1605	select IRQ_MIPS_CPU
1606	select SWAP_IO_SPACE
1607	select WEAK_ORDERING
1608	select CPU_SUPPORTS_HIGHMEM
1609	select CPU_HAS_PREFETCH
1610	help
1611	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1612
1613config CPU_XLR
1614	bool "Netlogic XLR SoC"
1615	depends on SYS_HAS_CPU_XLR
1616	select CPU_SUPPORTS_32BIT_KERNEL
1617	select CPU_SUPPORTS_64BIT_KERNEL
1618	select CPU_SUPPORTS_HIGHMEM
1619	select CPU_SUPPORTS_HUGEPAGES
1620	select WEAK_ORDERING
1621	select WEAK_REORDERING_BEYOND_LLSC
1622	help
1623	  Netlogic Microsystems XLR/XLS processors.
1624
1625config CPU_XLP
1626	bool "Netlogic XLP SoC"
1627	depends on SYS_HAS_CPU_XLP
1628	select CPU_SUPPORTS_32BIT_KERNEL
1629	select CPU_SUPPORTS_64BIT_KERNEL
1630	select CPU_SUPPORTS_HIGHMEM
1631	select WEAK_ORDERING
1632	select WEAK_REORDERING_BEYOND_LLSC
1633	select CPU_HAS_PREFETCH
1634	select CPU_MIPSR2
1635	select CPU_SUPPORTS_HUGEPAGES
1636	help
1637	  Netlogic Microsystems XLP processors.
1638endchoice
1639
1640config CPU_MIPS32_3_5_FEATURES
1641	bool "MIPS32 Release 3.5 Features"
1642	depends on SYS_HAS_CPU_MIPS32_R3_5
1643	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1644	help
1645	  Choose this option to build a kernel for release 2 or later of the
1646	  MIPS32 architecture including features from the 3.5 release such as
1647	  support for Enhanced Virtual Addressing (EVA).
1648
1649config CPU_MIPS32_3_5_EVA
1650	bool "Enhanced Virtual Addressing (EVA)"
1651	depends on CPU_MIPS32_3_5_FEATURES
1652	select EVA
1653	default y
1654	help
1655	  Choose this option if you want to enable the Enhanced Virtual
1656	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1657	  One of its primary benefits is an increase in the maximum size
1658	  of lowmem (up to 3GB). If unsure, say 'N' here.
1659
1660config CPU_MIPS32_R5_FEATURES
1661	bool "MIPS32 Release 5 Features"
1662	depends on SYS_HAS_CPU_MIPS32_R5
1663	depends on CPU_MIPS32_R2
1664	help
1665	  Choose this option to build a kernel for release 2 or later of the
1666	  MIPS32 architecture including features from release 5 such as
1667	  support for Extended Physical Addressing (XPA).
1668
1669config CPU_MIPS32_R5_XPA
1670	bool "Extended Physical Addressing (XPA)"
1671	depends on CPU_MIPS32_R5_FEATURES
1672	depends on !EVA
1673	depends on !PAGE_SIZE_4KB
1674	depends on SYS_SUPPORTS_HIGHMEM
1675	select XPA
1676	select HIGHMEM
1677	select ARCH_PHYS_ADDR_T_64BIT
1678	default n
1679	help
1680	  Choose this option if you want to enable the Extended Physical
1681	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1682	  benefit is to increase physical addressing equal to or greater
1683	  than 40 bits. Note that this has the side effect of turning on
1684	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1685	  If unsure, say 'N' here.
1686
1687if CPU_LOONGSON2F
1688config CPU_NOP_WORKAROUNDS
1689	bool
1690
1691config CPU_JUMP_WORKAROUNDS
1692	bool
1693
1694config CPU_LOONGSON2F_WORKAROUNDS
1695	bool "Loongson 2F Workarounds"
1696	default y
1697	select CPU_NOP_WORKAROUNDS
1698	select CPU_JUMP_WORKAROUNDS
1699	help
1700	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1701	  require workarounds.  Without workarounds the system may hang
1702	  unexpectedly.  For more information please refer to the gas
1703	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1704
1705	  Loongson 2F03 and later have fixed these issues and no workarounds
1706	  are needed.  The workarounds have no significant side effect on them
1707	  but may decrease the performance of the system so this option should
1708	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1709	  systems.
1710
1711	  If unsure, please say Y.
1712endif # CPU_LOONGSON2F
1713
1714config SYS_SUPPORTS_ZBOOT
1715	bool
1716	select HAVE_KERNEL_GZIP
1717	select HAVE_KERNEL_BZIP2
1718	select HAVE_KERNEL_LZ4
1719	select HAVE_KERNEL_LZMA
1720	select HAVE_KERNEL_LZO
1721	select HAVE_KERNEL_XZ
1722
1723config SYS_SUPPORTS_ZBOOT_UART16550
1724	bool
1725	select SYS_SUPPORTS_ZBOOT
1726
1727config CPU_LOONGSON2
1728	bool
1729	select CPU_SUPPORTS_32BIT_KERNEL
1730	select CPU_SUPPORTS_64BIT_KERNEL
1731	select CPU_SUPPORTS_HIGHMEM
1732	select CPU_SUPPORTS_HUGEPAGES
1733
1734config CPU_LOONGSON1
1735	bool
1736	select CPU_MIPS32
1737	select CPU_MIPSR2
1738	select CPU_HAS_PREFETCH
1739	select CPU_SUPPORTS_32BIT_KERNEL
1740	select CPU_SUPPORTS_HIGHMEM
1741	select CPU_SUPPORTS_CPUFREQ
1742
1743config CPU_BMIPS32_3300
1744	select SMP_UP if SMP
1745	bool
1746
1747config CPU_BMIPS4350
1748	bool
1749	select SYS_SUPPORTS_SMP
1750	select SYS_SUPPORTS_HOTPLUG_CPU
1751
1752config CPU_BMIPS4380
1753	bool
1754	select MIPS_L1_CACHE_SHIFT_6
1755	select SYS_SUPPORTS_SMP
1756	select SYS_SUPPORTS_HOTPLUG_CPU
1757
1758config CPU_BMIPS5000
1759	bool
1760	select MIPS_CPU_SCACHE
1761	select MIPS_L1_CACHE_SHIFT_7
1762	select SYS_SUPPORTS_SMP
1763	select SYS_SUPPORTS_HOTPLUG_CPU
1764
1765config SYS_HAS_CPU_LOONGSON3
1766	bool
1767	select CPU_SUPPORTS_CPUFREQ
1768
1769config SYS_HAS_CPU_LOONGSON2E
1770	bool
1771
1772config SYS_HAS_CPU_LOONGSON2F
1773	bool
1774	select CPU_SUPPORTS_CPUFREQ
1775	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1776	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1777
1778config SYS_HAS_CPU_LOONGSON1B
1779	bool
1780
1781config SYS_HAS_CPU_MIPS32_R1
1782	bool
1783
1784config SYS_HAS_CPU_MIPS32_R2
1785	bool
1786
1787config SYS_HAS_CPU_MIPS32_R3_5
1788	bool
1789
1790config SYS_HAS_CPU_MIPS32_R5
1791	bool
1792
1793config SYS_HAS_CPU_MIPS32_R6
1794	bool
1795
1796config SYS_HAS_CPU_MIPS64_R1
1797	bool
1798
1799config SYS_HAS_CPU_MIPS64_R2
1800	bool
1801
1802config SYS_HAS_CPU_MIPS64_R6
1803	bool
1804
1805config SYS_HAS_CPU_R3000
1806	bool
1807
1808config SYS_HAS_CPU_TX39XX
1809	bool
1810
1811config SYS_HAS_CPU_VR41XX
1812	bool
1813
1814config SYS_HAS_CPU_R4300
1815	bool
1816
1817config SYS_HAS_CPU_R4X00
1818	bool
1819
1820config SYS_HAS_CPU_TX49XX
1821	bool
1822
1823config SYS_HAS_CPU_R5000
1824	bool
1825
1826config SYS_HAS_CPU_R5432
1827	bool
1828
1829config SYS_HAS_CPU_R5500
1830	bool
1831
1832config SYS_HAS_CPU_R6000
1833	bool
1834
1835config SYS_HAS_CPU_NEVADA
1836	bool
1837
1838config SYS_HAS_CPU_R8000
1839	bool
1840
1841config SYS_HAS_CPU_R10000
1842	bool
1843
1844config SYS_HAS_CPU_RM7000
1845	bool
1846
1847config SYS_HAS_CPU_SB1
1848	bool
1849
1850config SYS_HAS_CPU_CAVIUM_OCTEON
1851	bool
1852
1853config SYS_HAS_CPU_BMIPS
1854	bool
1855
1856config SYS_HAS_CPU_BMIPS32_3300
1857	bool
1858	select SYS_HAS_CPU_BMIPS
1859
1860config SYS_HAS_CPU_BMIPS4350
1861	bool
1862	select SYS_HAS_CPU_BMIPS
1863
1864config SYS_HAS_CPU_BMIPS4380
1865	bool
1866	select SYS_HAS_CPU_BMIPS
1867
1868config SYS_HAS_CPU_BMIPS5000
1869	bool
1870	select SYS_HAS_CPU_BMIPS
1871
1872config SYS_HAS_CPU_XLR
1873	bool
1874
1875config SYS_HAS_CPU_XLP
1876	bool
1877
1878config MIPS_MALTA_PM
1879	depends on MIPS_MALTA
1880	depends on PCI
1881	bool
1882	default y
1883
1884#
1885# CPU may reorder R->R, R->W, W->R, W->W
1886# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1887#
1888config WEAK_ORDERING
1889	bool
1890
1891#
1892# CPU may reorder reads and writes beyond LL/SC
1893# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1894#
1895config WEAK_REORDERING_BEYOND_LLSC
1896	bool
1897endmenu
1898
1899#
1900# These two indicate any level of the MIPS32 and MIPS64 architecture
1901#
1902config CPU_MIPS32
1903	bool
1904	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1905
1906config CPU_MIPS64
1907	bool
1908	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1909
1910#
1911# These two indicate the revision of the architecture, either Release 1 or Release 2
1912#
1913config CPU_MIPSR1
1914	bool
1915	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1916
1917config CPU_MIPSR2
1918	bool
1919	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1920	select MIPS_SPRAM
1921
1922config CPU_MIPSR6
1923	bool
1924	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1925	select MIPS_SPRAM
1926
1927config EVA
1928	bool
1929
1930config XPA
1931	bool
1932
1933config SYS_SUPPORTS_32BIT_KERNEL
1934	bool
1935config SYS_SUPPORTS_64BIT_KERNEL
1936	bool
1937config CPU_SUPPORTS_32BIT_KERNEL
1938	bool
1939config CPU_SUPPORTS_64BIT_KERNEL
1940	bool
1941config CPU_SUPPORTS_CPUFREQ
1942	bool
1943config CPU_SUPPORTS_ADDRWINCFG
1944	bool
1945config CPU_SUPPORTS_HUGEPAGES
1946	bool
1947config CPU_SUPPORTS_UNCACHED_ACCELERATED
1948	bool
1949config MIPS_PGD_C0_CONTEXT
1950	bool
1951	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1952
1953#
1954# Set to y for ptrace access to watch registers.
1955#
1956config HARDWARE_WATCHPOINTS
1957       bool
1958       default y if CPU_MIPSR1 || CPU_MIPSR2
1959
1960menu "Kernel type"
1961
1962choice
1963	prompt "Kernel code model"
1964	help
1965	  You should only select this option if you have a workload that
1966	  actually benefits from 64-bit processing or if your machine has
1967	  large memory.  You will only be presented a single option in this
1968	  menu if your system does not support both 32-bit and 64-bit kernels.
1969
1970config 32BIT
1971	bool "32-bit kernel"
1972	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1973	select TRAD_SIGNALS
1974	help
1975	  Select this option if you want to build a 32-bit kernel.
1976
1977config 64BIT
1978	bool "64-bit kernel"
1979	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1980	help
1981	  Select this option if you want to build a 64-bit kernel.
1982
1983endchoice
1984
1985config KVM_GUEST
1986	bool "KVM Guest Kernel"
1987	depends on BROKEN_ON_SMP
1988	help
1989	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1990
1991config KVM_GUEST_TIMER_FREQ
1992	int "Count/Compare Timer Frequency (MHz)"
1993	depends on KVM_GUEST
1994	default 100
1995	help
1996	  Set this to non-zero if building a guest kernel for KVM to skip RTC
1997	  emulation when determining guest CPU Frequency. Instead, the guest's
1998	  timer frequency is specified directly.
1999
2000choice
2001	prompt "Kernel page size"
2002	default PAGE_SIZE_4KB
2003
2004config PAGE_SIZE_4KB
2005	bool "4kB"
2006	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2007	help
2008	 This option select the standard 4kB Linux page size.  On some
2009	 R3000-family processors this is the only available page size.  Using
2010	 4kB page size will minimize memory consumption and is therefore
2011	 recommended for low memory systems.
2012
2013config PAGE_SIZE_8KB
2014	bool "8kB"
2015	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2016	help
2017	  Using 8kB page size will result in higher performance kernel at
2018	  the price of higher memory consumption.  This option is available
2019	  only on R8000 and cnMIPS processors.  Note that you will need a
2020	  suitable Linux distribution to support this.
2021
2022config PAGE_SIZE_16KB
2023	bool "16kB"
2024	depends on !CPU_R3000 && !CPU_TX39XX
2025	help
2026	  Using 16kB page size will result in higher performance kernel at
2027	  the price of higher memory consumption.  This option is available on
2028	  all non-R3000 family processors.  Note that you will need a suitable
2029	  Linux distribution to support this.
2030
2031config PAGE_SIZE_32KB
2032	bool "32kB"
2033	depends on CPU_CAVIUM_OCTEON
2034	help
2035	  Using 32kB page size will result in higher performance kernel at
2036	  the price of higher memory consumption.  This option is available
2037	  only on cnMIPS cores.  Note that you will need a suitable Linux
2038	  distribution to support this.
2039
2040config PAGE_SIZE_64KB
2041	bool "64kB"
2042	depends on !CPU_R3000 && !CPU_TX39XX
2043	help
2044	  Using 64kB page size will result in higher performance kernel at
2045	  the price of higher memory consumption.  This option is available on
2046	  all non-R3000 family processor.  Not that at the time of this
2047	  writing this option is still high experimental.
2048
2049endchoice
2050
2051config FORCE_MAX_ZONEORDER
2052	int "Maximum zone order"
2053	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2054	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2055	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2056	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2057	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2058	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2059	range 11 64
2060	default "11"
2061	help
2062	  The kernel memory allocator divides physically contiguous memory
2063	  blocks into "zones", where each zone is a power of two number of
2064	  pages.  This option selects the largest power of two that the kernel
2065	  keeps in the memory allocator.  If you need to allocate very large
2066	  blocks of physically contiguous memory, then you may need to
2067	  increase this value.
2068
2069	  This config option is actually maximum order plus one. For example,
2070	  a value of 11 means that the largest free memory block is 2^10 pages.
2071
2072	  The page size is not necessarily 4KB.  Keep this in mind
2073	  when choosing a value for this option.
2074
2075config BOARD_SCACHE
2076	bool
2077
2078config IP22_CPU_SCACHE
2079	bool
2080	select BOARD_SCACHE
2081
2082#
2083# Support for a MIPS32 / MIPS64 style S-caches
2084#
2085config MIPS_CPU_SCACHE
2086	bool
2087	select BOARD_SCACHE
2088
2089config R5000_CPU_SCACHE
2090	bool
2091	select BOARD_SCACHE
2092
2093config RM7000_CPU_SCACHE
2094	bool
2095	select BOARD_SCACHE
2096
2097config SIBYTE_DMA_PAGEOPS
2098	bool "Use DMA to clear/copy pages"
2099	depends on CPU_SB1
2100	help
2101	  Instead of using the CPU to zero and copy pages, use a Data Mover
2102	  channel.  These DMA channels are otherwise unused by the standard
2103	  SiByte Linux port.  Seems to give a small performance benefit.
2104
2105config CPU_HAS_PREFETCH
2106	bool
2107
2108config CPU_GENERIC_DUMP_TLB
2109	bool
2110	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2111
2112config CPU_R4K_FPU
2113	bool
2114	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2115
2116config CPU_R4K_CACHE_TLB
2117	bool
2118	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2119
2120config MIPS_MT_SMP
2121	bool "MIPS MT SMP support (1 TC on each available VPE)"
2122	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2123	select CPU_MIPSR2_IRQ_VI
2124	select CPU_MIPSR2_IRQ_EI
2125	select SYNC_R4K
2126	select MIPS_GIC_IPI
2127	select MIPS_MT
2128	select SMP
2129	select SMP_UP
2130	select SYS_SUPPORTS_SMP
2131	select SYS_SUPPORTS_SCHED_SMT
2132	select MIPS_PERF_SHARED_TC_COUNTERS
2133	help
2134	  This is a kernel model which is known as SMVP. This is supported
2135	  on cores with the MT ASE and uses the available VPEs to implement
2136	  virtual processors which supports SMP. This is equivalent to the
2137	  Intel Hyperthreading feature. For further information go to
2138	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2139
2140config MIPS_MT
2141	bool
2142
2143config SCHED_SMT
2144	bool "SMT (multithreading) scheduler support"
2145	depends on SYS_SUPPORTS_SCHED_SMT
2146	default n
2147	help
2148	  SMT scheduler support improves the CPU scheduler's decision making
2149	  when dealing with MIPS MT enabled cores at a cost of slightly
2150	  increased overhead in some places. If unsure say N here.
2151
2152config SYS_SUPPORTS_SCHED_SMT
2153	bool
2154
2155config SYS_SUPPORTS_MULTITHREADING
2156	bool
2157
2158config MIPS_MT_FPAFF
2159	bool "Dynamic FPU affinity for FP-intensive threads"
2160	default y
2161	depends on MIPS_MT_SMP
2162
2163config MIPSR2_TO_R6_EMULATOR
2164	bool "MIPS R2-to-R6 emulator"
2165	depends on CPU_MIPSR6 && !SMP
2166	default y
2167	help
2168	  Choose this option if you want to run non-R6 MIPS userland code.
2169	  Even if you say 'Y' here, the emulator will still be disabled by
2170	  default. You can enable it using the 'mipsr2emu' kernel option.
2171	  The only reason this is a build-time option is to save ~14K from the
2172	  final kernel image.
2173comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2174	depends on SMP && CPU_MIPSR6
2175
2176config MIPS_VPE_LOADER
2177	bool "VPE loader support."
2178	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2179	select CPU_MIPSR2_IRQ_VI
2180	select CPU_MIPSR2_IRQ_EI
2181	select MIPS_MT
2182	help
2183	  Includes a loader for loading an elf relocatable object
2184	  onto another VPE and running it.
2185
2186config MIPS_VPE_LOADER_CMP
2187	bool
2188	default "y"
2189	depends on MIPS_VPE_LOADER && MIPS_CMP
2190
2191config MIPS_VPE_LOADER_MT
2192	bool
2193	default "y"
2194	depends on MIPS_VPE_LOADER && !MIPS_CMP
2195
2196config MIPS_VPE_LOADER_TOM
2197	bool "Load VPE program into memory hidden from linux"
2198	depends on MIPS_VPE_LOADER
2199	default y
2200	help
2201	  The loader can use memory that is present but has been hidden from
2202	  Linux using the kernel command line option "mem=xxMB". It's up to
2203	  you to ensure the amount you put in the option and the space your
2204	  program requires is less or equal to the amount physically present.
2205
2206config MIPS_VPE_APSP_API
2207	bool "Enable support for AP/SP API (RTLX)"
2208	depends on MIPS_VPE_LOADER
2209	help
2210
2211config MIPS_VPE_APSP_API_CMP
2212	bool
2213	default "y"
2214	depends on MIPS_VPE_APSP_API && MIPS_CMP
2215
2216config MIPS_VPE_APSP_API_MT
2217	bool
2218	default "y"
2219	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2220
2221config MIPS_CMP
2222	bool "MIPS CMP framework support (DEPRECATED)"
2223	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2224	select MIPS_GIC_IPI
2225	select SMP
2226	select SYNC_R4K
2227	select SYS_SUPPORTS_SMP
2228	select WEAK_ORDERING
2229	default n
2230	help
2231	  Select this if you are using a bootloader which implements the "CMP
2232	  framework" protocol (ie. YAMON) and want your kernel to make use of
2233	  its ability to start secondary CPUs.
2234
2235	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2236	  instead of this.
2237
2238config MIPS_CPS
2239	bool "MIPS Coherent Processing System support"
2240	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2241	select MIPS_CM
2242	select MIPS_CPC
2243	select MIPS_CPS_PM if HOTPLUG_CPU
2244	select MIPS_GIC_IPI
2245	select SMP
2246	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2247	select SYS_SUPPORTS_HOTPLUG_CPU
2248	select SYS_SUPPORTS_SMP
2249	select WEAK_ORDERING
2250	help
2251	  Select this if you wish to run an SMP kernel across multiple cores
2252	  within a MIPS Coherent Processing System. When this option is
2253	  enabled the kernel will probe for other cores and boot them with
2254	  no external assistance. It is safe to enable this when hardware
2255	  support is unavailable.
2256
2257config MIPS_CPS_PM
2258	depends on MIPS_CPS
2259	select MIPS_CPC
2260	bool
2261
2262config MIPS_GIC_IPI
2263	bool
2264
2265config MIPS_CM
2266	bool
2267
2268config MIPS_CPC
2269	bool
2270
2271config SB1_PASS_2_WORKAROUNDS
2272	bool
2273	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2274	default y
2275
2276config SB1_PASS_2_1_WORKAROUNDS
2277	bool
2278	depends on CPU_SB1 && CPU_SB1_PASS_2
2279	default y
2280
2281
2282config ARCH_PHYS_ADDR_T_64BIT
2283       bool
2284
2285choice
2286	prompt "SmartMIPS or microMIPS ASE support"
2287
2288config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2289	bool "None"
2290	help
2291	  Select this if you want neither microMIPS nor SmartMIPS support
2292
2293config CPU_HAS_SMARTMIPS
2294	depends on SYS_SUPPORTS_SMARTMIPS
2295	bool "SmartMIPS"
2296	help
2297	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2298	  increased security at both hardware and software level for
2299	  smartcards.  Enabling this option will allow proper use of the
2300	  SmartMIPS instructions by Linux applications.  However a kernel with
2301	  this option will not work on a MIPS core without SmartMIPS core.  If
2302	  you don't know you probably don't have SmartMIPS and should say N
2303	  here.
2304
2305config CPU_MICROMIPS
2306	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2307	bool "microMIPS"
2308	help
2309	  When this option is enabled the kernel will be built using the
2310	  microMIPS ISA
2311
2312endchoice
2313
2314config CPU_HAS_MSA
2315	bool "Support for the MIPS SIMD Architecture"
2316	depends on CPU_SUPPORTS_MSA
2317	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2318	help
2319	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2320	  and a set of SIMD instructions to operate on them. When this option
2321	  is enabled the kernel will support allocating & switching MSA
2322	  vector register contexts. If you know that your kernel will only be
2323	  running on CPUs which do not support MSA or that your userland will
2324	  not be making use of it then you may wish to say N here to reduce
2325	  the size & complexity of your kernel.
2326
2327	  If unsure, say Y.
2328
2329config CPU_HAS_WB
2330	bool
2331
2332config XKS01
2333	bool
2334
2335#
2336# Vectored interrupt mode is an R2 feature
2337#
2338config CPU_MIPSR2_IRQ_VI
2339	bool
2340
2341#
2342# Extended interrupt mode is an R2 feature
2343#
2344config CPU_MIPSR2_IRQ_EI
2345	bool
2346
2347config CPU_HAS_SYNC
2348	bool
2349	depends on !CPU_R3000
2350	default y
2351
2352#
2353# CPU non-features
2354#
2355config CPU_DADDI_WORKAROUNDS
2356	bool
2357
2358config CPU_R4000_WORKAROUNDS
2359	bool
2360	select CPU_R4400_WORKAROUNDS
2361
2362config CPU_R4400_WORKAROUNDS
2363	bool
2364
2365#
2366# - Highmem only makes sense for the 32-bit kernel.
2367# - The current highmem code will only work properly on physically indexed
2368#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2369#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2370#   moment we protect the user and offer the highmem option only on machines
2371#   where it's known to be safe.  This will not offer highmem on a few systems
2372#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2373#   indexed CPUs but we're playing safe.
2374# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2375#   know they might have memory configurations that could make use of highmem
2376#   support.
2377#
2378config HIGHMEM
2379	bool "High Memory Support"
2380	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2381
2382config CPU_SUPPORTS_HIGHMEM
2383	bool
2384
2385config SYS_SUPPORTS_HIGHMEM
2386	bool
2387
2388config SYS_SUPPORTS_SMARTMIPS
2389	bool
2390
2391config SYS_SUPPORTS_MICROMIPS
2392	bool
2393
2394config SYS_SUPPORTS_MIPS16
2395	bool
2396	help
2397	  This option must be set if a kernel might be executed on a MIPS16-
2398	  enabled CPU even if MIPS16 is not actually being used.  In other
2399	  words, it makes the kernel MIPS16-tolerant.
2400
2401config CPU_SUPPORTS_MSA
2402	bool
2403
2404config ARCH_FLATMEM_ENABLE
2405	def_bool y
2406	depends on !NUMA && !CPU_LOONGSON2
2407
2408config ARCH_DISCONTIGMEM_ENABLE
2409	bool
2410	default y if SGI_IP27
2411	help
2412	  Say Y to support efficient handling of discontiguous physical memory,
2413	  for architectures which are either NUMA (Non-Uniform Memory Access)
2414	  or have huge holes in the physical address space for other reasons.
2415	  See <file:Documentation/vm/numa> for more.
2416
2417config ARCH_SPARSEMEM_ENABLE
2418	bool
2419	select SPARSEMEM_STATIC
2420
2421config NUMA
2422	bool "NUMA Support"
2423	depends on SYS_SUPPORTS_NUMA
2424	help
2425	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2426	  Access).  This option improves performance on systems with more
2427	  than two nodes; on two node systems it is generally better to
2428	  leave it disabled; on single node systems disable this option
2429	  disabled.
2430
2431config SYS_SUPPORTS_NUMA
2432	bool
2433
2434config NODES_SHIFT
2435	int
2436	default "6"
2437	depends on NEED_MULTIPLE_NODES
2438
2439config HW_PERF_EVENTS
2440	bool "Enable hardware performance counter support for perf events"
2441	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2442	default y
2443	help
2444	  Enable hardware performance counter support for perf events. If
2445	  disabled, perf events will use software events only.
2446
2447source "mm/Kconfig"
2448
2449config SMP
2450	bool "Multi-Processing support"
2451	depends on SYS_SUPPORTS_SMP
2452	help
2453	  This enables support for systems with more than one CPU. If you have
2454	  a system with only one CPU, say N. If you have a system with more
2455	  than one CPU, say Y.
2456
2457	  If you say N here, the kernel will run on uni- and multiprocessor
2458	  machines, but will use only one CPU of a multiprocessor machine. If
2459	  you say Y here, the kernel will run on many, but not all,
2460	  uniprocessor machines. On a uniprocessor machine, the kernel
2461	  will run faster if you say N here.
2462
2463	  People using multiprocessor machines who say Y here should also say
2464	  Y to "Enhanced Real Time Clock Support", below.
2465
2466	  See also the SMP-HOWTO available at
2467	  <http://www.tldp.org/docs.html#howto>.
2468
2469	  If you don't know what to do here, say N.
2470
2471config SMP_UP
2472	bool
2473
2474config SYS_SUPPORTS_MIPS_CMP
2475	bool
2476
2477config SYS_SUPPORTS_MIPS_CPS
2478	bool
2479
2480config SYS_SUPPORTS_SMP
2481	bool
2482
2483config NR_CPUS_DEFAULT_4
2484	bool
2485
2486config NR_CPUS_DEFAULT_8
2487	bool
2488
2489config NR_CPUS_DEFAULT_16
2490	bool
2491
2492config NR_CPUS_DEFAULT_32
2493	bool
2494
2495config NR_CPUS_DEFAULT_64
2496	bool
2497
2498config NR_CPUS
2499	int "Maximum number of CPUs (2-256)"
2500	range 2 256
2501	depends on SMP
2502	default "4" if NR_CPUS_DEFAULT_4
2503	default "8" if NR_CPUS_DEFAULT_8
2504	default "16" if NR_CPUS_DEFAULT_16
2505	default "32" if NR_CPUS_DEFAULT_32
2506	default "64" if NR_CPUS_DEFAULT_64
2507	help
2508	  This allows you to specify the maximum number of CPUs which this
2509	  kernel will support.  The maximum supported value is 32 for 32-bit
2510	  kernel and 64 for 64-bit kernels; the minimum value which makes
2511	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2512	  and 2 for all others.
2513
2514	  This is purely to save memory - each supported CPU adds
2515	  approximately eight kilobytes to the kernel image.  For best
2516	  performance should round up your number of processors to the next
2517	  power of two.
2518
2519config MIPS_PERF_SHARED_TC_COUNTERS
2520	bool
2521
2522#
2523# Timer Interrupt Frequency Configuration
2524#
2525
2526choice
2527	prompt "Timer frequency"
2528	default HZ_250
2529	help
2530	 Allows the configuration of the timer frequency.
2531
2532	config HZ_48
2533		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2534
2535	config HZ_100
2536		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2537
2538	config HZ_128
2539		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2540
2541	config HZ_250
2542		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2543
2544	config HZ_256
2545		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2546
2547	config HZ_1000
2548		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2549
2550	config HZ_1024
2551		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2552
2553endchoice
2554
2555config SYS_SUPPORTS_48HZ
2556	bool
2557
2558config SYS_SUPPORTS_100HZ
2559	bool
2560
2561config SYS_SUPPORTS_128HZ
2562	bool
2563
2564config SYS_SUPPORTS_250HZ
2565	bool
2566
2567config SYS_SUPPORTS_256HZ
2568	bool
2569
2570config SYS_SUPPORTS_1000HZ
2571	bool
2572
2573config SYS_SUPPORTS_1024HZ
2574	bool
2575
2576config SYS_SUPPORTS_ARBIT_HZ
2577	bool
2578	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2579		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2580		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2581		     !SYS_SUPPORTS_1024HZ
2582
2583config HZ
2584	int
2585	default 48 if HZ_48
2586	default 100 if HZ_100
2587	default 128 if HZ_128
2588	default 250 if HZ_250
2589	default 256 if HZ_256
2590	default 1000 if HZ_1000
2591	default 1024 if HZ_1024
2592
2593config SCHED_HRTICK
2594	def_bool HIGH_RES_TIMERS
2595
2596source "kernel/Kconfig.preempt"
2597
2598config KEXEC
2599	bool "Kexec system call"
2600	select KEXEC_CORE
2601	help
2602	  kexec is a system call that implements the ability to shutdown your
2603	  current kernel, and to start another kernel.  It is like a reboot
2604	  but it is independent of the system firmware.   And like a reboot
2605	  you can start any kernel with it, not just Linux.
2606
2607	  The name comes from the similarity to the exec system call.
2608
2609	  It is an ongoing process to be certain the hardware in a machine
2610	  is properly shutdown, so do not be surprised if this code does not
2611	  initially work for you.  As of this writing the exact hardware
2612	  interface is strongly in flux, so no good recommendation can be
2613	  made.
2614
2615config CRASH_DUMP
2616	  bool "Kernel crash dumps"
2617	  help
2618	  Generate crash dump after being started by kexec.
2619	  This should be normally only set in special crash dump kernels
2620	  which are loaded in the main kernel with kexec-tools into
2621	  a specially reserved region and then later executed after
2622	  a crash by kdump/kexec. The crash dump kernel must be compiled
2623	  to a memory address not used by the main kernel or firmware using
2624	  PHYSICAL_START.
2625
2626config PHYSICAL_START
2627	  hex "Physical address where the kernel is loaded"
2628	  default "0xffffffff84000000" if 64BIT
2629	  default "0x84000000" if 32BIT
2630	  depends on CRASH_DUMP
2631	  help
2632	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2633	  If you plan to use kernel for capturing the crash dump change
2634	  this value to start of the reserved region (the "X" value as
2635	  specified in the "crashkernel=YM@XM" command line boot parameter
2636	  passed to the panic-ed kernel).
2637
2638config SECCOMP
2639	bool "Enable seccomp to safely compute untrusted bytecode"
2640	depends on PROC_FS
2641	default y
2642	help
2643	  This kernel feature is useful for number crunching applications
2644	  that may need to compute untrusted bytecode during their
2645	  execution. By using pipes or other transports made available to
2646	  the process as file descriptors supporting the read/write
2647	  syscalls, it's possible to isolate those applications in
2648	  their own address space using seccomp. Once seccomp is
2649	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2650	  and the task is only allowed to execute a few safe syscalls
2651	  defined by each seccomp mode.
2652
2653	  If unsure, say Y. Only embedded should say N here.
2654
2655config MIPS_O32_FP64_SUPPORT
2656	bool "Support for O32 binaries using 64-bit FP"
2657	depends on 32BIT || MIPS32_O32
2658	help
2659	  When this is enabled, the kernel will support use of 64-bit floating
2660	  point registers with binaries using the O32 ABI along with the
2661	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2662	  32-bit MIPS systems this support is at the cost of increasing the
2663	  size and complexity of the compiled FPU emulator. Thus if you are
2664	  running a MIPS32 system and know that none of your userland binaries
2665	  will require 64-bit floating point, you may wish to reduce the size
2666	  of your kernel & potentially improve FP emulation performance by
2667	  saying N here.
2668
2669	  Although binutils currently supports use of this flag the details
2670	  concerning its effect upon the O32 ABI in userland are still being
2671	  worked on. In order to avoid userland becoming dependant upon current
2672	  behaviour before the details have been finalised, this option should
2673	  be considered experimental and only enabled by those working upon
2674	  said details.
2675
2676	  If unsure, say N.
2677
2678config USE_OF
2679	bool
2680	select OF
2681	select OF_EARLY_FLATTREE
2682	select IRQ_DOMAIN
2683
2684config BUILTIN_DTB
2685	bool
2686
2687choice
2688	prompt "Kernel appended dtb support" if OF
2689	default MIPS_NO_APPENDED_DTB
2690
2691	config MIPS_NO_APPENDED_DTB
2692		bool "None"
2693		help
2694		  Do not enable appended dtb support.
2695
2696	config MIPS_RAW_APPENDED_DTB
2697		bool "vmlinux.bin"
2698		help
2699		  With this option, the boot code will look for a device tree binary
2700		  DTB) appended to raw vmlinux.bin (without decompressor).
2701		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2702
2703		  This is meant as a backward compatibility convenience for those
2704		  systems with a bootloader that can't be upgraded to accommodate
2705		  the documented boot protocol using a device tree.
2706
2707		  Beware that there is very little in terms of protection against
2708		  this option being confused by leftover garbage in memory that might
2709		  look like a DTB header after a reboot if no actual DTB is appended
2710		  to vmlinux.bin.  Do not leave this option active in a production kernel
2711		  if you don't intend to always append a DTB.
2712
2713	config MIPS_ZBOOT_APPENDED_DTB
2714		bool "vmlinuz.bin"
2715		depends on SYS_SUPPORTS_ZBOOT
2716		help
2717		  With this option, the boot code will look for a device tree binary
2718		  DTB) appended to raw vmlinuz.bin (with decompressor).
2719		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2720
2721		  This is meant as a backward compatibility convenience for those
2722		  systems with a bootloader that can't be upgraded to accommodate
2723		  the documented boot protocol using a device tree.
2724
2725		  Beware that there is very little in terms of protection against
2726		  this option being confused by leftover garbage in memory that might
2727		  look like a DTB header after a reboot if no actual DTB is appended
2728		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2729		  if you don't intend to always append a DTB.
2730endchoice
2731
2732endmenu
2733
2734config LOCKDEP_SUPPORT
2735	bool
2736	default y
2737
2738config STACKTRACE_SUPPORT
2739	bool
2740	default y
2741
2742config PGTABLE_LEVELS
2743	int
2744	default 3 if 64BIT && !PAGE_SIZE_64KB
2745	default 2
2746
2747source "init/Kconfig"
2748
2749source "kernel/Kconfig.freezer"
2750
2751menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2752
2753config HW_HAS_EISA
2754	bool
2755config HW_HAS_PCI
2756	bool
2757
2758config PCI
2759	bool "Support for PCI controller"
2760	depends on HW_HAS_PCI
2761	select PCI_DOMAINS
2762	select NO_GENERIC_PCI_IOPORT_MAP
2763	help
2764	  Find out whether you have a PCI motherboard. PCI is the name of a
2765	  bus system, i.e. the way the CPU talks to the other stuff inside
2766	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2767	  say Y, otherwise N.
2768
2769config HT_PCI
2770	bool "Support for HT-linked PCI"
2771	default y
2772	depends on CPU_LOONGSON3
2773	select PCI
2774	select PCI_DOMAINS
2775	help
2776	  Loongson family machines use Hyper-Transport bus for inter-core
2777	  connection and device connection. The PCI bus is a subordinate
2778	  linked at HT. Choose Y for Loongson-3 based machines.
2779
2780config PCI_DOMAINS
2781	bool
2782
2783source "drivers/pci/Kconfig"
2784
2785source "drivers/pci/pcie/Kconfig"
2786
2787#
2788# ISA support is now enabled via select.  Too many systems still have the one
2789# or other ISA chip on the board that users don't know about so don't expect
2790# users to choose the right thing ...
2791#
2792config ISA
2793	bool
2794
2795config EISA
2796	bool "EISA support"
2797	depends on HW_HAS_EISA
2798	select ISA
2799	select GENERIC_ISA_DMA
2800	---help---
2801	  The Extended Industry Standard Architecture (EISA) bus was
2802	  developed as an open alternative to the IBM MicroChannel bus.
2803
2804	  The EISA bus provided some of the features of the IBM MicroChannel
2805	  bus while maintaining backward compatibility with cards made for
2806	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2807	  1995 when it was made obsolete by the PCI bus.
2808
2809	  Say Y here if you are building a kernel for an EISA-based machine.
2810
2811	  Otherwise, say N.
2812
2813source "drivers/eisa/Kconfig"
2814
2815config TC
2816	bool "TURBOchannel support"
2817	depends on MACH_DECSTATION
2818	help
2819	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2820	  processors.  TURBOchannel programming specifications are available
2821	  at:
2822	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2823	  and:
2824	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2825	  Linux driver support status is documented at:
2826	  <http://www.linux-mips.org/wiki/DECstation>
2827
2828config MMU
2829	bool
2830	default y
2831
2832config I8253
2833	bool
2834	select CLKSRC_I8253
2835	select CLKEVT_I8253
2836	select MIPS_EXTERNAL_TIMER
2837
2838config ZONE_DMA
2839	bool
2840
2841config ZONE_DMA32
2842	bool
2843
2844source "drivers/pcmcia/Kconfig"
2845
2846source "drivers/pci/hotplug/Kconfig"
2847
2848config RAPIDIO
2849	tristate "RapidIO support"
2850	depends on PCI
2851	default n
2852	help
2853	  If you say Y here, the kernel will include drivers and
2854	  infrastructure code to support RapidIO interconnect devices.
2855
2856source "drivers/rapidio/Kconfig"
2857
2858endmenu
2859
2860menu "Executable file formats"
2861
2862source "fs/Kconfig.binfmt"
2863
2864config TRAD_SIGNALS
2865	bool
2866
2867config MIPS32_COMPAT
2868	bool
2869
2870config COMPAT
2871	bool
2872
2873config SYSVIPC_COMPAT
2874	bool
2875
2876config MIPS32_O32
2877	bool "Kernel support for o32 binaries"
2878	depends on 64BIT
2879	select ARCH_WANT_OLD_COMPAT_IPC
2880	select COMPAT
2881	select MIPS32_COMPAT
2882	select SYSVIPC_COMPAT if SYSVIPC
2883	help
2884	  Select this option if you want to run o32 binaries.  These are pure
2885	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2886	  existing binaries are in this format.
2887
2888	  If unsure, say Y.
2889
2890config MIPS32_N32
2891	bool "Kernel support for n32 binaries"
2892	depends on 64BIT
2893	select COMPAT
2894	select MIPS32_COMPAT
2895	select SYSVIPC_COMPAT if SYSVIPC
2896	help
2897	  Select this option if you want to run n32 binaries.  These are
2898	  64-bit binaries using 32-bit quantities for addressing and certain
2899	  data that would normally be 64-bit.  They are used in special
2900	  cases.
2901
2902	  If unsure, say N.
2903
2904config BINFMT_ELF32
2905	bool
2906	default y if MIPS32_O32 || MIPS32_N32
2907
2908endmenu
2909
2910menu "Power management options"
2911
2912config ARCH_HIBERNATION_POSSIBLE
2913	def_bool y
2914	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2915
2916config ARCH_SUSPEND_POSSIBLE
2917	def_bool y
2918	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2919
2920source "kernel/power/Kconfig"
2921
2922endmenu
2923
2924config MIPS_EXTERNAL_TIMER
2925	bool
2926
2927menu "CPU Power Management"
2928
2929if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2930source "drivers/cpufreq/Kconfig"
2931endif
2932
2933source "drivers/cpuidle/Kconfig"
2934
2935endmenu
2936
2937source "net/Kconfig"
2938
2939source "drivers/Kconfig"
2940
2941source "drivers/firmware/Kconfig"
2942
2943source "fs/Kconfig"
2944
2945source "arch/mips/Kconfig.debug"
2946
2947source "security/Kconfig"
2948
2949source "crypto/Kconfig"
2950
2951source "lib/Kconfig"
2952
2953source "arch/mips/kvm/Kconfig"
2954