xref: /openbmc/linux/arch/mips/Kconfig (revision fa0a497b)
1config MIPS
2	bool
3	default y
4	select ARCH_SUPPORTS_UPROBES
5	select ARCH_MIGHT_HAVE_PC_PARPORT
6	select ARCH_MIGHT_HAVE_PC_SERIO
7	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
8	select ARCH_USE_BUILTIN_BSWAP
9	select HAVE_CONTEXT_TRACKING
10	select HAVE_GENERIC_DMA_COHERENT
11	select HAVE_IDE
12	select HAVE_OPROFILE
13	select HAVE_PERF_EVENTS
14	select PERF_USE_VMALLOC
15	select HAVE_ARCH_KGDB
16	select HAVE_ARCH_SECCOMP_FILTER
17	select HAVE_ARCH_TRACEHOOK
18	select HAVE_BPF_JIT if !CPU_MICROMIPS
19	select HAVE_FUNCTION_TRACER
20	select HAVE_DYNAMIC_FTRACE
21	select HAVE_FTRACE_MCOUNT_RECORD
22	select HAVE_C_RECORDMCOUNT
23	select HAVE_FUNCTION_GRAPH_TRACER
24	select HAVE_KPROBES
25	select HAVE_KRETPROBES
26	select HAVE_SYSCALL_TRACEPOINTS
27	select HAVE_DEBUG_KMEMLEAK
28	select HAVE_SYSCALL_TRACEPOINTS
29	select ARCH_HAS_ELF_RANDOMIZE
30	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
31	select RTC_LIB if !MACH_LOONGSON64
32	select GENERIC_ATOMIC64 if !64BIT
33	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
34	select HAVE_DMA_CONTIGUOUS
35	select HAVE_DMA_API_DEBUG
36	select GENERIC_IRQ_PROBE
37	select GENERIC_IRQ_SHOW
38	select GENERIC_PCI_IOMAP
39	select HAVE_ARCH_JUMP_LABEL
40	select ARCH_WANT_IPC_PARSE_VERSION
41	select IRQ_FORCED_THREADING
42	select HAVE_MEMBLOCK
43	select HAVE_MEMBLOCK_NODE_MAP
44	select ARCH_DISCARD_MEMBLOCK
45	select GENERIC_SMP_IDLE_THREAD
46	select BUILDTIME_EXTABLE_SORT
47	select GENERIC_CLOCKEVENTS
48	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49	select GENERIC_CMOS_UPDATE
50	select HAVE_MOD_ARCH_SPECIFIC
51	select VIRT_TO_BUS
52	select MODULES_USE_ELF_REL if MODULES
53	select MODULES_USE_ELF_RELA if MODULES && 64BIT
54	select CLONE_BACKWARDS
55	select HAVE_DEBUG_STACKOVERFLOW
56	select HAVE_CC_STACKPROTECTOR
57	select CPU_PM if CPU_IDLE
58	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
59	select ARCH_BINFMT_ELF_STATE
60	select SYSCTL_EXCEPTION_TRACE
61	select HAVE_VIRT_CPU_ACCOUNTING_GEN
62	select HAVE_IRQ_TIME_ACCOUNTING
63	select GENERIC_TIME_VSYSCALL
64	select ARCH_CLOCKSOURCE_DATA
65	select HANDLE_DOMAIN_IRQ
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_UART_PROM
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 BCM6345_L1_IRQ
156	select BCM7038_L1_IRQ
157	select BCM7120_L2_IRQ
158	select BRCMSTB_L2_IRQ
159	select IRQ_MIPS_CPU
160	select DMA_NONCOHERENT
161	select SYS_SUPPORTS_32BIT_KERNEL
162	select SYS_SUPPORTS_LITTLE_ENDIAN
163	select SYS_SUPPORTS_BIG_ENDIAN
164	select SYS_SUPPORTS_HIGHMEM
165	select SYS_HAS_CPU_BMIPS32_3300
166	select SYS_HAS_CPU_BMIPS4350
167	select SYS_HAS_CPU_BMIPS4380
168	select SYS_HAS_CPU_BMIPS5000
169	select SWAP_IO_SPACE
170	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
171	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
172	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
173	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
174	select ARCH_WANT_OPTIONAL_GPIOLIB
175	help
176	  Build a generic DT-based kernel image that boots on select
177	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
178	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
179	  must be set appropriately for your board.
180
181config BCM47XX
182	bool "Broadcom BCM47XX based boards"
183	select ARCH_WANT_OPTIONAL_GPIOLIB
184	select BOOT_RAW
185	select CEVT_R4K
186	select CSRC_R4K
187	select DMA_NONCOHERENT
188	select HW_HAS_PCI
189	select IRQ_MIPS_CPU
190	select SYS_HAS_CPU_MIPS32_R1
191	select NO_EXCEPT_FILL
192	select SYS_SUPPORTS_32BIT_KERNEL
193	select SYS_SUPPORTS_LITTLE_ENDIAN
194	select SYS_SUPPORTS_MIPS16
195	select SYS_HAS_EARLY_PRINTK
196	select USE_GENERIC_EARLY_PRINTK_8250
197	select GPIOLIB
198	select LEDS_GPIO_REGISTER
199	select BCM47XX_NVRAM
200	select BCM47XX_SPROM
201	help
202	 Support for BCM47XX based boards
203
204config BCM63XX
205	bool "Broadcom BCM63XX based boards"
206	select BOOT_RAW
207	select CEVT_R4K
208	select CSRC_R4K
209	select SYNC_R4K
210	select DMA_NONCOHERENT
211	select IRQ_MIPS_CPU
212	select SYS_SUPPORTS_32BIT_KERNEL
213	select SYS_SUPPORTS_BIG_ENDIAN
214	select SYS_HAS_EARLY_PRINTK
215	select SWAP_IO_SPACE
216	select ARCH_REQUIRE_GPIOLIB
217	select HAVE_CLK
218	select MIPS_L1_CACHE_SHIFT_4
219	help
220	 Support for BCM63XX based boards
221
222config MIPS_COBALT
223	bool "Cobalt Server"
224	select CEVT_R4K
225	select CSRC_R4K
226	select CEVT_GT641XX
227	select DMA_NONCOHERENT
228	select HW_HAS_PCI
229	select I8253
230	select I8259
231	select IRQ_MIPS_CPU
232	select IRQ_GT641XX
233	select PCI_GT64XXX_PCI0
234	select PCI
235	select SYS_HAS_CPU_NEVADA
236	select SYS_HAS_EARLY_PRINTK
237	select SYS_SUPPORTS_32BIT_KERNEL
238	select SYS_SUPPORTS_64BIT_KERNEL
239	select SYS_SUPPORTS_LITTLE_ENDIAN
240	select USE_GENERIC_EARLY_PRINTK_8250
241
242config MACH_DECSTATION
243	bool "DECstations"
244	select BOOT_ELF32
245	select CEVT_DS1287
246	select CEVT_R4K if CPU_R4X00
247	select CSRC_IOASIC
248	select CSRC_R4K if CPU_R4X00
249	select CPU_DADDI_WORKAROUNDS if 64BIT
250	select CPU_R4000_WORKAROUNDS if 64BIT
251	select CPU_R4400_WORKAROUNDS if 64BIT
252	select DMA_NONCOHERENT
253	select NO_IOPORT_MAP
254	select IRQ_MIPS_CPU
255	select SYS_HAS_CPU_R3000
256	select SYS_HAS_CPU_R4X00
257	select SYS_SUPPORTS_32BIT_KERNEL
258	select SYS_SUPPORTS_64BIT_KERNEL
259	select SYS_SUPPORTS_LITTLE_ENDIAN
260	select SYS_SUPPORTS_128HZ
261	select SYS_SUPPORTS_256HZ
262	select SYS_SUPPORTS_1024HZ
263	select MIPS_L1_CACHE_SHIFT_4
264	help
265	  This enables support for DEC's MIPS based workstations.  For details
266	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
267	  DECstation porting pages on <http://decstation.unix-ag.org/>.
268
269	  If you have one of the following DECstation Models you definitely
270	  want to choose R4xx0 for the CPU Type:
271
272		DECstation 5000/50
273		DECstation 5000/150
274		DECstation 5000/260
275		DECsystem 5900/260
276
277	  otherwise choose R3000.
278
279config MACH_JAZZ
280	bool "Jazz family of machines"
281	select FW_ARC
282	select FW_ARC32
283	select ARCH_MAY_HAVE_PC_FDC
284	select CEVT_R4K
285	select CSRC_R4K
286	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
287	select GENERIC_ISA_DMA
288	select HAVE_PCSPKR_PLATFORM
289	select IRQ_MIPS_CPU
290	select I8253
291	select I8259
292	select ISA
293	select SYS_HAS_CPU_R4X00
294	select SYS_SUPPORTS_32BIT_KERNEL
295	select SYS_SUPPORTS_64BIT_KERNEL
296	select SYS_SUPPORTS_100HZ
297	help
298	 This a family of machines based on the MIPS R4030 chipset which was
299	 used by several vendors to build RISC/os and Windows NT workstations.
300	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
301	 Olivetti M700-10 workstations.
302
303config MACH_INGENIC
304	bool "Ingenic SoC based machines"
305	select SYS_SUPPORTS_32BIT_KERNEL
306	select SYS_SUPPORTS_LITTLE_ENDIAN
307	select SYS_SUPPORTS_ZBOOT_UART16550
308	select DMA_NONCOHERENT
309	select IRQ_MIPS_CPU
310	select ARCH_REQUIRE_GPIOLIB
311	select COMMON_CLK
312	select GENERIC_IRQ_CHIP
313	select BUILTIN_DTB
314	select USE_OF
315	select LIBFDT
316
317config LANTIQ
318	bool "Lantiq based platforms"
319	select DMA_NONCOHERENT
320	select IRQ_MIPS_CPU
321	select CEVT_R4K
322	select CSRC_R4K
323	select SYS_HAS_CPU_MIPS32_R1
324	select SYS_HAS_CPU_MIPS32_R2
325	select SYS_SUPPORTS_BIG_ENDIAN
326	select SYS_SUPPORTS_32BIT_KERNEL
327	select SYS_SUPPORTS_MIPS16
328	select SYS_SUPPORTS_MULTITHREADING
329	select SYS_HAS_EARLY_PRINTK
330	select ARCH_REQUIRE_GPIOLIB
331	select SWAP_IO_SPACE
332	select BOOT_RAW
333	select CLKDEV_LOOKUP
334	select USE_OF
335	select PINCTRL
336	select PINCTRL_LANTIQ
337	select ARCH_HAS_RESET_CONTROLLER
338	select RESET_CONTROLLER
339
340config LASAT
341	bool "LASAT Networks platforms"
342	select CEVT_R4K
343	select CRC32
344	select CSRC_R4K
345	select DMA_NONCOHERENT
346	select SYS_HAS_EARLY_PRINTK
347	select HW_HAS_PCI
348	select IRQ_MIPS_CPU
349	select PCI_GT64XXX_PCI0
350	select MIPS_NILE4
351	select R5000_CPU_SCACHE
352	select SYS_HAS_CPU_R5000
353	select SYS_SUPPORTS_32BIT_KERNEL
354	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
355	select SYS_SUPPORTS_LITTLE_ENDIAN
356
357config MACH_LOONGSON32
358	bool "Loongson-1 family of machines"
359	select SYS_SUPPORTS_ZBOOT
360	help
361	  This enables support for the Loongson-1 family of machines.
362
363	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
364	  the Institute of Computing Technology (ICT), Chinese Academy of
365	  Sciences (CAS).
366
367config MACH_LOONGSON64
368	bool "Loongson-2/3 family of machines"
369	select SYS_SUPPORTS_ZBOOT
370	help
371	  This enables the support of Loongson-2/3 family of machines.
372
373	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
374	  family of multi-core CPUs. They are both 64-bit general-purpose
375	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
376	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
377	  in the People's Republic of China. The chief architect is Professor
378	  Weiwu Hu.
379
380config MACH_PISTACHIO
381	bool "IMG Pistachio SoC based boards"
382	select ARCH_REQUIRE_GPIOLIB
383	select BOOT_ELF32
384	select BOOT_RAW
385	select CEVT_R4K
386	select CLKSRC_MIPS_GIC
387	select COMMON_CLK
388	select CSRC_R4K
389	select DMA_MAYBE_COHERENT
390	select IRQ_MIPS_CPU
391	select LIBFDT
392	select MFD_SYSCON
393	select MIPS_CPU_SCACHE
394	select MIPS_GIC
395	select PINCTRL
396	select REGULATOR
397	select SYS_HAS_CPU_MIPS32_R2
398	select SYS_SUPPORTS_32BIT_KERNEL
399	select SYS_SUPPORTS_LITTLE_ENDIAN
400	select SYS_SUPPORTS_MIPS_CPS
401	select SYS_SUPPORTS_MULTITHREADING
402	select SYS_SUPPORTS_ZBOOT
403	select SYS_HAS_EARLY_PRINTK
404	select USE_GENERIC_EARLY_PRINTK_8250
405	select USE_OF
406	help
407	  This enables support for the IMG Pistachio SoC platform.
408
409config MACH_XILFPGA
410	bool "MIPSfpga Xilinx based boards"
411	select ARCH_REQUIRE_GPIOLIB
412	select BOOT_ELF32
413	select BOOT_RAW
414	select BUILTIN_DTB
415	select CEVT_R4K
416	select COMMON_CLK
417	select CSRC_R4K
418	select IRQ_MIPS_CPU
419	select LIBFDT
420	select MIPS_CPU_SCACHE
421	select SYS_HAS_EARLY_PRINTK
422	select SYS_HAS_CPU_MIPS32_R2
423	select SYS_SUPPORTS_32BIT_KERNEL
424	select SYS_SUPPORTS_LITTLE_ENDIAN
425	select SYS_SUPPORTS_ZBOOT_UART16550
426	select USE_OF
427	select USE_GENERIC_EARLY_PRINTK_8250
428	help
429	  This enables support for the IMG University Program MIPSfpga platform.
430
431config MIPS_MALTA
432	bool "MIPS Malta board"
433	select ARCH_MAY_HAVE_PC_FDC
434	select BOOT_ELF32
435	select BOOT_RAW
436	select BUILTIN_DTB
437	select CEVT_R4K
438	select CSRC_R4K
439	select CLKSRC_MIPS_GIC
440	select COMMON_CLK
441	select DMA_MAYBE_COHERENT
442	select GENERIC_ISA_DMA
443	select HAVE_PCSPKR_PLATFORM
444	select IRQ_MIPS_CPU
445	select MIPS_GIC
446	select HW_HAS_PCI
447	select I8253
448	select I8259
449	select MIPS_BONITO64
450	select MIPS_CPU_SCACHE
451	select MIPS_L1_CACHE_SHIFT_6
452	select PCI_GT64XXX_PCI0
453	select MIPS_MSC
454	select SMP_UP if SMP
455	select SWAP_IO_SPACE
456	select SYS_HAS_CPU_MIPS32_R1
457	select SYS_HAS_CPU_MIPS32_R2
458	select SYS_HAS_CPU_MIPS32_R3_5
459	select SYS_HAS_CPU_MIPS32_R5
460	select SYS_HAS_CPU_MIPS32_R6
461	select SYS_HAS_CPU_MIPS64_R1
462	select SYS_HAS_CPU_MIPS64_R2
463	select SYS_HAS_CPU_MIPS64_R6
464	select SYS_HAS_CPU_NEVADA
465	select SYS_HAS_CPU_RM7000
466	select SYS_SUPPORTS_32BIT_KERNEL
467	select SYS_SUPPORTS_64BIT_KERNEL
468	select SYS_SUPPORTS_BIG_ENDIAN
469	select SYS_SUPPORTS_HIGHMEM
470	select SYS_SUPPORTS_LITTLE_ENDIAN
471	select SYS_SUPPORTS_MICROMIPS
472	select SYS_SUPPORTS_MIPS_CMP
473	select SYS_SUPPORTS_MIPS_CPS
474	select SYS_SUPPORTS_MIPS16
475	select SYS_SUPPORTS_MULTITHREADING
476	select SYS_SUPPORTS_SMARTMIPS
477	select SYS_SUPPORTS_ZBOOT
478	select USE_OF
479	select ZONE_DMA32 if 64BIT
480	select BUILTIN_DTB
481	select LIBFDT
482	help
483	  This enables support for the MIPS Technologies Malta evaluation
484	  board.
485
486config MACH_PIC32
487	bool "Microchip PIC32 Family"
488	help
489	  This enables support for the Microchip PIC32 family of platforms.
490
491	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
492	  microcontrollers.
493
494config MIPS_SEAD3
495	bool "MIPS SEAD3 board"
496	select BOOT_ELF32
497	select BOOT_RAW
498	select BUILTIN_DTB
499	select CEVT_R4K
500	select CSRC_R4K
501	select CLKSRC_MIPS_GIC
502	select COMMON_CLK
503	select CPU_MIPSR2_IRQ_VI
504	select CPU_MIPSR2_IRQ_EI
505	select DMA_NONCOHERENT
506	select IRQ_MIPS_CPU
507	select MIPS_GIC
508	select LIBFDT
509	select MIPS_MSC
510	select SYS_HAS_CPU_MIPS32_R1
511	select SYS_HAS_CPU_MIPS32_R2
512	select SYS_HAS_CPU_MIPS64_R1
513	select SYS_HAS_EARLY_PRINTK
514	select SYS_SUPPORTS_32BIT_KERNEL
515	select SYS_SUPPORTS_64BIT_KERNEL
516	select SYS_SUPPORTS_BIG_ENDIAN
517	select SYS_SUPPORTS_LITTLE_ENDIAN
518	select SYS_SUPPORTS_SMARTMIPS
519	select SYS_SUPPORTS_MICROMIPS
520	select SYS_SUPPORTS_MIPS16
521	select USB_EHCI_BIG_ENDIAN_DESC
522	select USB_EHCI_BIG_ENDIAN_MMIO
523	select USE_OF
524	help
525	  This enables support for the MIPS Technologies SEAD3 evaluation
526	  board.
527
528config NEC_MARKEINS
529	bool "NEC EMMA2RH Mark-eins board"
530	select SOC_EMMA2RH
531	select HW_HAS_PCI
532	help
533	  This enables support for the NEC Electronics Mark-eins boards.
534
535config MACH_VR41XX
536	bool "NEC VR4100 series based machines"
537	select CEVT_R4K
538	select CSRC_R4K
539	select SYS_HAS_CPU_VR41XX
540	select SYS_SUPPORTS_MIPS16
541	select ARCH_REQUIRE_GPIOLIB
542
543config NXP_STB220
544	bool "NXP STB220 board"
545	select SOC_PNX833X
546	help
547	 Support for NXP Semiconductors STB220 Development Board.
548
549config NXP_STB225
550	bool "NXP 225 board"
551	select SOC_PNX833X
552	select SOC_PNX8335
553	help
554	 Support for NXP Semiconductors STB225 Development Board.
555
556config PMC_MSP
557	bool "PMC-Sierra MSP chipsets"
558	select CEVT_R4K
559	select CSRC_R4K
560	select DMA_NONCOHERENT
561	select SWAP_IO_SPACE
562	select NO_EXCEPT_FILL
563	select BOOT_RAW
564	select SYS_HAS_CPU_MIPS32_R1
565	select SYS_HAS_CPU_MIPS32_R2
566	select SYS_SUPPORTS_32BIT_KERNEL
567	select SYS_SUPPORTS_BIG_ENDIAN
568	select SYS_SUPPORTS_MIPS16
569	select IRQ_MIPS_CPU
570	select SERIAL_8250
571	select SERIAL_8250_CONSOLE
572	select USB_EHCI_BIG_ENDIAN_MMIO
573	select USB_EHCI_BIG_ENDIAN_DESC
574	help
575	  This adds support for the PMC-Sierra family of Multi-Service
576	  Processor System-On-A-Chips.  These parts include a number
577	  of integrated peripherals, interfaces and DSPs in addition to
578	  a variety of MIPS cores.
579
580config RALINK
581	bool "Ralink based machines"
582	select CEVT_R4K
583	select CSRC_R4K
584	select BOOT_RAW
585	select DMA_NONCOHERENT
586	select IRQ_MIPS_CPU
587	select USE_OF
588	select SYS_HAS_CPU_MIPS32_R1
589	select SYS_HAS_CPU_MIPS32_R2
590	select SYS_SUPPORTS_32BIT_KERNEL
591	select SYS_SUPPORTS_LITTLE_ENDIAN
592	select SYS_SUPPORTS_MIPS16
593	select SYS_HAS_EARLY_PRINTK
594	select CLKDEV_LOOKUP
595	select ARCH_HAS_RESET_CONTROLLER
596	select RESET_CONTROLLER
597
598config SGI_IP22
599	bool "SGI IP22 (Indy/Indigo2)"
600	select FW_ARC
601	select FW_ARC32
602	select BOOT_ELF32
603	select CEVT_R4K
604	select CSRC_R4K
605	select DEFAULT_SGI_PARTITION
606	select DMA_NONCOHERENT
607	select HW_HAS_EISA
608	select I8253
609	select I8259
610	select IP22_CPU_SCACHE
611	select IRQ_MIPS_CPU
612	select GENERIC_ISA_DMA_SUPPORT_BROKEN
613	select SGI_HAS_I8042
614	select SGI_HAS_INDYDOG
615	select SGI_HAS_HAL2
616	select SGI_HAS_SEEQ
617	select SGI_HAS_WD93
618	select SGI_HAS_ZILOG
619	select SWAP_IO_SPACE
620	select SYS_HAS_CPU_R4X00
621	select SYS_HAS_CPU_R5000
622	#
623	# Disable EARLY_PRINTK for now since it leads to overwritten prom
624	# memory during early boot on some machines.
625	#
626	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
627	# for a more details discussion
628	#
629	# select SYS_HAS_EARLY_PRINTK
630	select SYS_SUPPORTS_32BIT_KERNEL
631	select SYS_SUPPORTS_64BIT_KERNEL
632	select SYS_SUPPORTS_BIG_ENDIAN
633	select MIPS_L1_CACHE_SHIFT_7
634	help
635	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
636	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
637	  that runs on these, say Y here.
638
639config SGI_IP27
640	bool "SGI IP27 (Origin200/2000)"
641	select FW_ARC
642	select FW_ARC64
643	select BOOT_ELF64
644	select DEFAULT_SGI_PARTITION
645	select DMA_COHERENT
646	select SYS_HAS_EARLY_PRINTK
647	select HW_HAS_PCI
648	select NR_CPUS_DEFAULT_64
649	select SYS_HAS_CPU_R10000
650	select SYS_SUPPORTS_64BIT_KERNEL
651	select SYS_SUPPORTS_BIG_ENDIAN
652	select SYS_SUPPORTS_NUMA
653	select SYS_SUPPORTS_SMP
654	select MIPS_L1_CACHE_SHIFT_7
655	help
656	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
657	  workstations.  To compile a Linux kernel that runs on these, say Y
658	  here.
659
660config SGI_IP28
661	bool "SGI IP28 (Indigo2 R10k)"
662	select FW_ARC
663	select FW_ARC64
664	select BOOT_ELF64
665	select CEVT_R4K
666	select CSRC_R4K
667	select DEFAULT_SGI_PARTITION
668	select DMA_NONCOHERENT
669	select GENERIC_ISA_DMA_SUPPORT_BROKEN
670	select IRQ_MIPS_CPU
671	select HW_HAS_EISA
672	select I8253
673	select I8259
674	select SGI_HAS_I8042
675	select SGI_HAS_INDYDOG
676	select SGI_HAS_HAL2
677	select SGI_HAS_SEEQ
678	select SGI_HAS_WD93
679	select SGI_HAS_ZILOG
680	select SWAP_IO_SPACE
681	select SYS_HAS_CPU_R10000
682	#
683	# Disable EARLY_PRINTK for now since it leads to overwritten prom
684	# memory during early boot on some machines.
685	#
686	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
687	# for a more details discussion
688	#
689	# select SYS_HAS_EARLY_PRINTK
690	select SYS_SUPPORTS_64BIT_KERNEL
691	select SYS_SUPPORTS_BIG_ENDIAN
692	select MIPS_L1_CACHE_SHIFT_7
693      help
694        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
695        kernel that runs on these, say Y here.
696
697config SGI_IP32
698	bool "SGI IP32 (O2)"
699	select FW_ARC
700	select FW_ARC32
701	select BOOT_ELF32
702	select CEVT_R4K
703	select CSRC_R4K
704	select DMA_NONCOHERENT
705	select HW_HAS_PCI
706	select IRQ_MIPS_CPU
707	select R5000_CPU_SCACHE
708	select RM7000_CPU_SCACHE
709	select SYS_HAS_CPU_R5000
710	select SYS_HAS_CPU_R10000 if BROKEN
711	select SYS_HAS_CPU_RM7000
712	select SYS_HAS_CPU_NEVADA
713	select SYS_SUPPORTS_64BIT_KERNEL
714	select SYS_SUPPORTS_BIG_ENDIAN
715	help
716	  If you want this kernel to run on SGI O2 workstation, say Y here.
717
718config SIBYTE_CRHINE
719	bool "Sibyte BCM91120C-CRhine"
720	select BOOT_ELF32
721	select DMA_COHERENT
722	select SIBYTE_BCM1120
723	select SWAP_IO_SPACE
724	select SYS_HAS_CPU_SB1
725	select SYS_SUPPORTS_BIG_ENDIAN
726	select SYS_SUPPORTS_LITTLE_ENDIAN
727
728config SIBYTE_CARMEL
729	bool "Sibyte BCM91120x-Carmel"
730	select BOOT_ELF32
731	select DMA_COHERENT
732	select SIBYTE_BCM1120
733	select SWAP_IO_SPACE
734	select SYS_HAS_CPU_SB1
735	select SYS_SUPPORTS_BIG_ENDIAN
736	select SYS_SUPPORTS_LITTLE_ENDIAN
737
738config SIBYTE_CRHONE
739	bool "Sibyte BCM91125C-CRhone"
740	select BOOT_ELF32
741	select DMA_COHERENT
742	select SIBYTE_BCM1125
743	select SWAP_IO_SPACE
744	select SYS_HAS_CPU_SB1
745	select SYS_SUPPORTS_BIG_ENDIAN
746	select SYS_SUPPORTS_HIGHMEM
747	select SYS_SUPPORTS_LITTLE_ENDIAN
748
749config SIBYTE_RHONE
750	bool "Sibyte BCM91125E-Rhone"
751	select BOOT_ELF32
752	select DMA_COHERENT
753	select SIBYTE_BCM1125H
754	select SWAP_IO_SPACE
755	select SYS_HAS_CPU_SB1
756	select SYS_SUPPORTS_BIG_ENDIAN
757	select SYS_SUPPORTS_LITTLE_ENDIAN
758
759config SIBYTE_SWARM
760	bool "Sibyte BCM91250A-SWARM"
761	select BOOT_ELF32
762	select DMA_COHERENT
763	select HAVE_PATA_PLATFORM
764	select SIBYTE_SB1250
765	select SWAP_IO_SPACE
766	select SYS_HAS_CPU_SB1
767	select SYS_SUPPORTS_BIG_ENDIAN
768	select SYS_SUPPORTS_HIGHMEM
769	select SYS_SUPPORTS_LITTLE_ENDIAN
770	select ZONE_DMA32 if 64BIT
771
772config SIBYTE_LITTLESUR
773	bool "Sibyte BCM91250C2-LittleSur"
774	select BOOT_ELF32
775	select DMA_COHERENT
776	select HAVE_PATA_PLATFORM
777	select SIBYTE_SB1250
778	select SWAP_IO_SPACE
779	select SYS_HAS_CPU_SB1
780	select SYS_SUPPORTS_BIG_ENDIAN
781	select SYS_SUPPORTS_HIGHMEM
782	select SYS_SUPPORTS_LITTLE_ENDIAN
783
784config SIBYTE_SENTOSA
785	bool "Sibyte BCM91250E-Sentosa"
786	select BOOT_ELF32
787	select DMA_COHERENT
788	select SIBYTE_SB1250
789	select SWAP_IO_SPACE
790	select SYS_HAS_CPU_SB1
791	select SYS_SUPPORTS_BIG_ENDIAN
792	select SYS_SUPPORTS_LITTLE_ENDIAN
793
794config SIBYTE_BIGSUR
795	bool "Sibyte BCM91480B-BigSur"
796	select BOOT_ELF32
797	select DMA_COHERENT
798	select NR_CPUS_DEFAULT_4
799	select SIBYTE_BCM1x80
800	select SWAP_IO_SPACE
801	select SYS_HAS_CPU_SB1
802	select SYS_SUPPORTS_BIG_ENDIAN
803	select SYS_SUPPORTS_HIGHMEM
804	select SYS_SUPPORTS_LITTLE_ENDIAN
805	select ZONE_DMA32 if 64BIT
806
807config SNI_RM
808	bool "SNI RM200/300/400"
809	select FW_ARC if CPU_LITTLE_ENDIAN
810	select FW_ARC32 if CPU_LITTLE_ENDIAN
811	select FW_SNIPROM if CPU_BIG_ENDIAN
812	select ARCH_MAY_HAVE_PC_FDC
813	select BOOT_ELF32
814	select CEVT_R4K
815	select CSRC_R4K
816	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
817	select DMA_NONCOHERENT
818	select GENERIC_ISA_DMA
819	select HAVE_PCSPKR_PLATFORM
820	select HW_HAS_EISA
821	select HW_HAS_PCI
822	select IRQ_MIPS_CPU
823	select I8253
824	select I8259
825	select ISA
826	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
827	select SYS_HAS_CPU_R4X00
828	select SYS_HAS_CPU_R5000
829	select SYS_HAS_CPU_R10000
830	select R5000_CPU_SCACHE
831	select SYS_HAS_EARLY_PRINTK
832	select SYS_SUPPORTS_32BIT_KERNEL
833	select SYS_SUPPORTS_64BIT_KERNEL
834	select SYS_SUPPORTS_BIG_ENDIAN
835	select SYS_SUPPORTS_HIGHMEM
836	select SYS_SUPPORTS_LITTLE_ENDIAN
837	help
838	  The SNI RM200/300/400 are MIPS-based machines manufactured by
839	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
840	  Technology and now in turn merged with Fujitsu.  Say Y here to
841	  support this machine type.
842
843config MACH_TX39XX
844	bool "Toshiba TX39 series based machines"
845
846config MACH_TX49XX
847	bool "Toshiba TX49 series based machines"
848
849config MIKROTIK_RB532
850	bool "Mikrotik RB532 boards"
851	select CEVT_R4K
852	select CSRC_R4K
853	select DMA_NONCOHERENT
854	select HW_HAS_PCI
855	select IRQ_MIPS_CPU
856	select SYS_HAS_CPU_MIPS32_R1
857	select SYS_SUPPORTS_32BIT_KERNEL
858	select SYS_SUPPORTS_LITTLE_ENDIAN
859	select SWAP_IO_SPACE
860	select BOOT_RAW
861	select ARCH_REQUIRE_GPIOLIB
862	select MIPS_L1_CACHE_SHIFT_4
863	help
864	  Support the Mikrotik(tm) RouterBoard 532 series,
865	  based on the IDT RC32434 SoC.
866
867config CAVIUM_OCTEON_SOC
868	bool "Cavium Networks Octeon SoC based boards"
869	select CEVT_R4K
870	select ARCH_PHYS_ADDR_T_64BIT
871	select DMA_COHERENT
872	select SYS_SUPPORTS_64BIT_KERNEL
873	select SYS_SUPPORTS_BIG_ENDIAN
874	select EDAC_SUPPORT
875	select EDAC_ATOMIC_SCRUB
876	select SYS_SUPPORTS_LITTLE_ENDIAN
877	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
878	select SYS_HAS_EARLY_PRINTK
879	select SYS_HAS_CPU_CAVIUM_OCTEON
880	select SWAP_IO_SPACE
881	select HW_HAS_PCI
882	select ZONE_DMA32
883	select HOLES_IN_ZONE
884	select ARCH_REQUIRE_GPIOLIB
885	select LIBFDT
886	select USE_OF
887	select ARCH_SPARSEMEM_ENABLE
888	select SYS_SUPPORTS_SMP
889	select NR_CPUS_DEFAULT_16
890	select BUILTIN_DTB
891	select MTD_COMPLEX_MAPPINGS
892	help
893	  This option supports all of the Octeon reference boards from Cavium
894	  Networks. It builds a kernel that dynamically determines the Octeon
895	  CPU type and supports all known board reference implementations.
896	  Some of the supported boards are:
897		EBT3000
898		EBH3000
899		EBH3100
900		Thunder
901		Kodama
902		Hikari
903	  Say Y here for most Octeon reference boards.
904
905config NLM_XLR_BOARD
906	bool "Netlogic XLR/XLS based systems"
907	select BOOT_ELF32
908	select NLM_COMMON
909	select SYS_HAS_CPU_XLR
910	select SYS_SUPPORTS_SMP
911	select HW_HAS_PCI
912	select SWAP_IO_SPACE
913	select SYS_SUPPORTS_32BIT_KERNEL
914	select SYS_SUPPORTS_64BIT_KERNEL
915	select ARCH_PHYS_ADDR_T_64BIT
916	select SYS_SUPPORTS_BIG_ENDIAN
917	select SYS_SUPPORTS_HIGHMEM
918	select DMA_COHERENT
919	select NR_CPUS_DEFAULT_32
920	select CEVT_R4K
921	select CSRC_R4K
922	select IRQ_MIPS_CPU
923	select ZONE_DMA32 if 64BIT
924	select SYNC_R4K
925	select SYS_HAS_EARLY_PRINTK
926	select SYS_SUPPORTS_ZBOOT
927	select SYS_SUPPORTS_ZBOOT_UART16550
928	help
929	  Support for systems based on Netlogic XLR and XLS processors.
930	  Say Y here if you have a XLR or XLS based board.
931
932config NLM_XLP_BOARD
933	bool "Netlogic XLP based systems"
934	select BOOT_ELF32
935	select NLM_COMMON
936	select SYS_HAS_CPU_XLP
937	select SYS_SUPPORTS_SMP
938	select HW_HAS_PCI
939	select SYS_SUPPORTS_32BIT_KERNEL
940	select SYS_SUPPORTS_64BIT_KERNEL
941	select ARCH_PHYS_ADDR_T_64BIT
942	select ARCH_REQUIRE_GPIOLIB
943	select SYS_SUPPORTS_BIG_ENDIAN
944	select SYS_SUPPORTS_LITTLE_ENDIAN
945	select SYS_SUPPORTS_HIGHMEM
946	select DMA_COHERENT
947	select NR_CPUS_DEFAULT_32
948	select CEVT_R4K
949	select CSRC_R4K
950	select IRQ_MIPS_CPU
951	select ZONE_DMA32 if 64BIT
952	select SYNC_R4K
953	select SYS_HAS_EARLY_PRINTK
954	select USE_OF
955	select SYS_SUPPORTS_ZBOOT
956	select SYS_SUPPORTS_ZBOOT_UART16550
957	help
958	  This board is based on Netlogic XLP Processor.
959	  Say Y here if you have a XLP based board.
960
961config MIPS_PARAVIRT
962	bool "Para-Virtualized guest system"
963	select CEVT_R4K
964	select CSRC_R4K
965	select DMA_COHERENT
966	select SYS_SUPPORTS_64BIT_KERNEL
967	select SYS_SUPPORTS_32BIT_KERNEL
968	select SYS_SUPPORTS_BIG_ENDIAN
969	select SYS_SUPPORTS_SMP
970	select NR_CPUS_DEFAULT_4
971	select SYS_HAS_EARLY_PRINTK
972	select SYS_HAS_CPU_MIPS32_R2
973	select SYS_HAS_CPU_MIPS64_R2
974	select SYS_HAS_CPU_CAVIUM_OCTEON
975	select HW_HAS_PCI
976	select SWAP_IO_SPACE
977	help
978	  This option supports guest running under ????
979
980endchoice
981
982source "arch/mips/alchemy/Kconfig"
983source "arch/mips/ath25/Kconfig"
984source "arch/mips/ath79/Kconfig"
985source "arch/mips/bcm47xx/Kconfig"
986source "arch/mips/bcm63xx/Kconfig"
987source "arch/mips/bmips/Kconfig"
988source "arch/mips/jazz/Kconfig"
989source "arch/mips/jz4740/Kconfig"
990source "arch/mips/lantiq/Kconfig"
991source "arch/mips/lasat/Kconfig"
992source "arch/mips/pic32/Kconfig"
993source "arch/mips/pistachio/Kconfig"
994source "arch/mips/pmcs-msp71xx/Kconfig"
995source "arch/mips/ralink/Kconfig"
996source "arch/mips/sgi-ip27/Kconfig"
997source "arch/mips/sibyte/Kconfig"
998source "arch/mips/txx9/Kconfig"
999source "arch/mips/vr41xx/Kconfig"
1000source "arch/mips/cavium-octeon/Kconfig"
1001source "arch/mips/loongson32/Kconfig"
1002source "arch/mips/loongson64/Kconfig"
1003source "arch/mips/netlogic/Kconfig"
1004source "arch/mips/paravirt/Kconfig"
1005source "arch/mips/xilfpga/Kconfig"
1006
1007endmenu
1008
1009config RWSEM_GENERIC_SPINLOCK
1010	bool
1011	default y
1012
1013config RWSEM_XCHGADD_ALGORITHM
1014	bool
1015
1016config ARCH_HAS_ILOG2_U32
1017	bool
1018	default n
1019
1020config ARCH_HAS_ILOG2_U64
1021	bool
1022	default n
1023
1024config GENERIC_HWEIGHT
1025	bool
1026	default y
1027
1028config GENERIC_CALIBRATE_DELAY
1029	bool
1030	default y
1031
1032config SCHED_OMIT_FRAME_POINTER
1033	bool
1034	default y
1035
1036#
1037# Select some configuration options automatically based on user selections.
1038#
1039config FW_ARC
1040	bool
1041
1042config ARCH_MAY_HAVE_PC_FDC
1043	bool
1044
1045config BOOT_RAW
1046	bool
1047
1048config CEVT_BCM1480
1049	bool
1050
1051config CEVT_DS1287
1052	bool
1053
1054config CEVT_GT641XX
1055	bool
1056
1057config CEVT_R4K
1058	bool
1059
1060config CEVT_SB1250
1061	bool
1062
1063config CEVT_TXX9
1064	bool
1065
1066config CSRC_BCM1480
1067	bool
1068
1069config CSRC_IOASIC
1070	bool
1071
1072config CSRC_R4K
1073	bool
1074
1075config CSRC_SB1250
1076	bool
1077
1078config MIPS_CLOCK_VSYSCALL
1079	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1080
1081config GPIO_TXX9
1082	select ARCH_REQUIRE_GPIOLIB
1083	bool
1084
1085config FW_CFE
1086	bool
1087
1088config ARCH_DMA_ADDR_T_64BIT
1089	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1090
1091config ARCH_SUPPORTS_UPROBES
1092	bool
1093
1094config DMA_MAYBE_COHERENT
1095	select DMA_NONCOHERENT
1096	bool
1097
1098config DMA_COHERENT
1099	bool
1100
1101config DMA_NONCOHERENT
1102	bool
1103	select NEED_DMA_MAP_STATE
1104
1105config NEED_DMA_MAP_STATE
1106	bool
1107
1108config SYS_HAS_EARLY_PRINTK
1109	bool
1110
1111config HOTPLUG_CPU
1112	bool "Support for hot-pluggable CPUs"
1113	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1114	help
1115	  Say Y here to allow turning CPUs off and on. CPUs can be
1116	  controlled through /sys/devices/system/cpu.
1117	  (Note: power management support will enable this option
1118	    automatically on SMP systems. )
1119	  Say N if you want to disable CPU hotplug.
1120
1121config SYS_SUPPORTS_HOTPLUG_CPU
1122	bool
1123
1124config MIPS_BONITO64
1125	bool
1126
1127config MIPS_MSC
1128	bool
1129
1130config MIPS_NILE4
1131	bool
1132
1133config SYNC_R4K
1134	bool
1135
1136config MIPS_MACHINE
1137	def_bool n
1138
1139config NO_IOPORT_MAP
1140	def_bool n
1141
1142config GENERIC_CSUM
1143	bool
1144
1145config GENERIC_ISA_DMA
1146	bool
1147	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148	select ISA_DMA_API
1149
1150config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151	bool
1152	select GENERIC_ISA_DMA
1153
1154config ISA_DMA_API
1155	bool
1156
1157config HOLES_IN_ZONE
1158	bool
1159
1160#
1161# Endianness selection.  Sufficiently obscure so many users don't know what to
1162# answer,so we try hard to limit the available choices.  Also the use of a
1163# choice statement should be more obvious to the user.
1164#
1165choice
1166	prompt "Endianness selection"
1167	help
1168	  Some MIPS machines can be configured for either little or big endian
1169	  byte order. These modes require different kernels and a different
1170	  Linux distribution.  In general there is one preferred byteorder for a
1171	  particular system but some systems are just as commonly used in the
1172	  one or the other endianness.
1173
1174config CPU_BIG_ENDIAN
1175	bool "Big endian"
1176	depends on SYS_SUPPORTS_BIG_ENDIAN
1177
1178config CPU_LITTLE_ENDIAN
1179	bool "Little endian"
1180	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1181
1182endchoice
1183
1184config EXPORT_UASM
1185	bool
1186
1187config SYS_SUPPORTS_APM_EMULATION
1188	bool
1189
1190config SYS_SUPPORTS_BIG_ENDIAN
1191	bool
1192
1193config SYS_SUPPORTS_LITTLE_ENDIAN
1194	bool
1195
1196config SYS_SUPPORTS_HUGETLBFS
1197	bool
1198	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1199	default y
1200
1201config MIPS_HUGE_TLB_SUPPORT
1202	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1203
1204config IRQ_CPU_RM7K
1205	bool
1206
1207config IRQ_MSP_SLP
1208	bool
1209
1210config IRQ_MSP_CIC
1211	bool
1212
1213config IRQ_TXX9
1214	bool
1215
1216config IRQ_GT641XX
1217	bool
1218
1219config PCI_GT64XXX_PCI0
1220	bool
1221
1222config NO_EXCEPT_FILL
1223	bool
1224
1225config SOC_EMMA2RH
1226	bool
1227	select CEVT_R4K
1228	select CSRC_R4K
1229	select DMA_NONCOHERENT
1230	select IRQ_MIPS_CPU
1231	select SWAP_IO_SPACE
1232	select SYS_HAS_CPU_R5500
1233	select SYS_SUPPORTS_32BIT_KERNEL
1234	select SYS_SUPPORTS_64BIT_KERNEL
1235	select SYS_SUPPORTS_BIG_ENDIAN
1236
1237config SOC_PNX833X
1238	bool
1239	select CEVT_R4K
1240	select CSRC_R4K
1241	select IRQ_MIPS_CPU
1242	select DMA_NONCOHERENT
1243	select SYS_HAS_CPU_MIPS32_R2
1244	select SYS_SUPPORTS_32BIT_KERNEL
1245	select SYS_SUPPORTS_LITTLE_ENDIAN
1246	select SYS_SUPPORTS_BIG_ENDIAN
1247	select SYS_SUPPORTS_MIPS16
1248	select CPU_MIPSR2_IRQ_VI
1249
1250config SOC_PNX8335
1251	bool
1252	select SOC_PNX833X
1253
1254config MIPS_SPRAM
1255	bool
1256
1257config SWAP_IO_SPACE
1258	bool
1259
1260config SGI_HAS_INDYDOG
1261	bool
1262
1263config SGI_HAS_HAL2
1264	bool
1265
1266config SGI_HAS_SEEQ
1267	bool
1268
1269config SGI_HAS_WD93
1270	bool
1271
1272config SGI_HAS_ZILOG
1273	bool
1274
1275config SGI_HAS_I8042
1276	bool
1277
1278config DEFAULT_SGI_PARTITION
1279	bool
1280
1281config FW_ARC32
1282	bool
1283
1284config FW_SNIPROM
1285	bool
1286
1287config BOOT_ELF32
1288	bool
1289
1290config MIPS_L1_CACHE_SHIFT_4
1291	bool
1292
1293config MIPS_L1_CACHE_SHIFT_5
1294	bool
1295
1296config MIPS_L1_CACHE_SHIFT_6
1297	bool
1298
1299config MIPS_L1_CACHE_SHIFT_7
1300	bool
1301
1302config MIPS_L1_CACHE_SHIFT
1303	int
1304	default "7" if MIPS_L1_CACHE_SHIFT_7
1305	default "6" if MIPS_L1_CACHE_SHIFT_6
1306	default "5" if MIPS_L1_CACHE_SHIFT_5
1307	default "4" if MIPS_L1_CACHE_SHIFT_4
1308	default "5"
1309
1310config HAVE_STD_PC_SERIAL_PORT
1311	bool
1312
1313config ARC_CONSOLE
1314	bool "ARC console support"
1315	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1316
1317config ARC_MEMORY
1318	bool
1319	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1320	default y
1321
1322config ARC_PROMLIB
1323	bool
1324	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1325	default y
1326
1327config FW_ARC64
1328	bool
1329
1330config BOOT_ELF64
1331	bool
1332
1333menu "CPU selection"
1334
1335choice
1336	prompt "CPU type"
1337	default CPU_R4X00
1338
1339config CPU_LOONGSON3
1340	bool "Loongson 3 CPU"
1341	depends on SYS_HAS_CPU_LOONGSON3
1342	select CPU_SUPPORTS_64BIT_KERNEL
1343	select CPU_SUPPORTS_HIGHMEM
1344	select CPU_SUPPORTS_HUGEPAGES
1345	select WEAK_ORDERING
1346	select WEAK_REORDERING_BEYOND_LLSC
1347	select ARCH_REQUIRE_GPIOLIB
1348	help
1349		The Loongson 3 processor implements the MIPS64R2 instruction
1350		set with many extensions.
1351
1352config CPU_LOONGSON2E
1353	bool "Loongson 2E"
1354	depends on SYS_HAS_CPU_LOONGSON2E
1355	select CPU_LOONGSON2
1356	help
1357	  The Loongson 2E processor implements the MIPS III instruction set
1358	  with many extensions.
1359
1360	  It has an internal FPGA northbridge, which is compatible to
1361	  bonito64.
1362
1363config CPU_LOONGSON2F
1364	bool "Loongson 2F"
1365	depends on SYS_HAS_CPU_LOONGSON2F
1366	select CPU_LOONGSON2
1367	select ARCH_REQUIRE_GPIOLIB
1368	help
1369	  The Loongson 2F processor implements the MIPS III instruction set
1370	  with many extensions.
1371
1372	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1373	  have a similar programming interface with FPGA northbridge used in
1374	  Loongson2E.
1375
1376config CPU_LOONGSON1B
1377	bool "Loongson 1B"
1378	depends on SYS_HAS_CPU_LOONGSON1B
1379	select CPU_LOONGSON1
1380	help
1381	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1382	  release 2 instruction set.
1383
1384config CPU_MIPS32_R1
1385	bool "MIPS32 Release 1"
1386	depends on SYS_HAS_CPU_MIPS32_R1
1387	select CPU_HAS_PREFETCH
1388	select CPU_SUPPORTS_32BIT_KERNEL
1389	select CPU_SUPPORTS_HIGHMEM
1390	help
1391	  Choose this option to build a kernel for release 1 or later of the
1392	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1393	  MIPS processor are based on a MIPS32 processor.  If you know the
1394	  specific type of processor in your system, choose those that one
1395	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1396	  Release 2 of the MIPS32 architecture is available since several
1397	  years so chances are you even have a MIPS32 Release 2 processor
1398	  in which case you should choose CPU_MIPS32_R2 instead for better
1399	  performance.
1400
1401config CPU_MIPS32_R2
1402	bool "MIPS32 Release 2"
1403	depends on SYS_HAS_CPU_MIPS32_R2
1404	select CPU_HAS_PREFETCH
1405	select CPU_SUPPORTS_32BIT_KERNEL
1406	select CPU_SUPPORTS_HIGHMEM
1407	select CPU_SUPPORTS_MSA
1408	select HAVE_KVM
1409	help
1410	  Choose this option to build a kernel for release 2 or later of the
1411	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1412	  MIPS processor are based on a MIPS32 processor.  If you know the
1413	  specific type of processor in your system, choose those that one
1414	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1415
1416config CPU_MIPS32_R6
1417	bool "MIPS32 Release 6"
1418	depends on SYS_HAS_CPU_MIPS32_R6
1419	select CPU_HAS_PREFETCH
1420	select CPU_SUPPORTS_32BIT_KERNEL
1421	select CPU_SUPPORTS_HIGHMEM
1422	select CPU_SUPPORTS_MSA
1423	select GENERIC_CSUM
1424	select HAVE_KVM
1425	select MIPS_O32_FP64_SUPPORT
1426	help
1427	  Choose this option to build a kernel for release 6 or later of the
1428	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1429	  family, are based on a MIPS32r6 processor. If you own an older
1430	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1431
1432config CPU_MIPS64_R1
1433	bool "MIPS64 Release 1"
1434	depends on SYS_HAS_CPU_MIPS64_R1
1435	select CPU_HAS_PREFETCH
1436	select CPU_SUPPORTS_32BIT_KERNEL
1437	select CPU_SUPPORTS_64BIT_KERNEL
1438	select CPU_SUPPORTS_HIGHMEM
1439	select CPU_SUPPORTS_HUGEPAGES
1440	help
1441	  Choose this option to build a kernel for release 1 or later of the
1442	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1443	  MIPS processor are based on a MIPS64 processor.  If you know the
1444	  specific type of processor in your system, choose those that one
1445	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1446	  Release 2 of the MIPS64 architecture is available since several
1447	  years so chances are you even have a MIPS64 Release 2 processor
1448	  in which case you should choose CPU_MIPS64_R2 instead for better
1449	  performance.
1450
1451config CPU_MIPS64_R2
1452	bool "MIPS64 Release 2"
1453	depends on SYS_HAS_CPU_MIPS64_R2
1454	select CPU_HAS_PREFETCH
1455	select CPU_SUPPORTS_32BIT_KERNEL
1456	select CPU_SUPPORTS_64BIT_KERNEL
1457	select CPU_SUPPORTS_HIGHMEM
1458	select CPU_SUPPORTS_HUGEPAGES
1459	select CPU_SUPPORTS_MSA
1460	help
1461	  Choose this option to build a kernel for release 2 or later of the
1462	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1463	  MIPS processor are based on a MIPS64 processor.  If you know the
1464	  specific type of processor in your system, choose those that one
1465	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1466
1467config CPU_MIPS64_R6
1468	bool "MIPS64 Release 6"
1469	depends on SYS_HAS_CPU_MIPS64_R6
1470	select CPU_HAS_PREFETCH
1471	select CPU_SUPPORTS_32BIT_KERNEL
1472	select CPU_SUPPORTS_64BIT_KERNEL
1473	select CPU_SUPPORTS_HIGHMEM
1474	select CPU_SUPPORTS_MSA
1475	select GENERIC_CSUM
1476	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1477	help
1478	  Choose this option to build a kernel for release 6 or later of the
1479	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1480	  family, are based on a MIPS64r6 processor. If you own an older
1481	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1482
1483config CPU_R3000
1484	bool "R3000"
1485	depends on SYS_HAS_CPU_R3000
1486	select CPU_HAS_WB
1487	select CPU_SUPPORTS_32BIT_KERNEL
1488	select CPU_SUPPORTS_HIGHMEM
1489	help
1490	  Please make sure to pick the right CPU type. Linux/MIPS is not
1491	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1492	  *not* work on R4000 machines and vice versa.  However, since most
1493	  of the supported machines have an R4000 (or similar) CPU, R4x00
1494	  might be a safe bet.  If the resulting kernel does not work,
1495	  try to recompile with R3000.
1496
1497config CPU_TX39XX
1498	bool "R39XX"
1499	depends on SYS_HAS_CPU_TX39XX
1500	select CPU_SUPPORTS_32BIT_KERNEL
1501
1502config CPU_VR41XX
1503	bool "R41xx"
1504	depends on SYS_HAS_CPU_VR41XX
1505	select CPU_SUPPORTS_32BIT_KERNEL
1506	select CPU_SUPPORTS_64BIT_KERNEL
1507	help
1508	  The options selects support for the NEC VR4100 series of processors.
1509	  Only choose this option if you have one of these processors as a
1510	  kernel built with this option will not run on any other type of
1511	  processor or vice versa.
1512
1513config CPU_R4300
1514	bool "R4300"
1515	depends on SYS_HAS_CPU_R4300
1516	select CPU_SUPPORTS_32BIT_KERNEL
1517	select CPU_SUPPORTS_64BIT_KERNEL
1518	help
1519	  MIPS Technologies R4300-series processors.
1520
1521config CPU_R4X00
1522	bool "R4x00"
1523	depends on SYS_HAS_CPU_R4X00
1524	select CPU_SUPPORTS_32BIT_KERNEL
1525	select CPU_SUPPORTS_64BIT_KERNEL
1526	select CPU_SUPPORTS_HUGEPAGES
1527	help
1528	  MIPS Technologies R4000-series processors other than 4300, including
1529	  the R4000, R4400, R4600, and 4700.
1530
1531config CPU_TX49XX
1532	bool "R49XX"
1533	depends on SYS_HAS_CPU_TX49XX
1534	select CPU_HAS_PREFETCH
1535	select CPU_SUPPORTS_32BIT_KERNEL
1536	select CPU_SUPPORTS_64BIT_KERNEL
1537	select CPU_SUPPORTS_HUGEPAGES
1538
1539config CPU_R5000
1540	bool "R5000"
1541	depends on SYS_HAS_CPU_R5000
1542	select CPU_SUPPORTS_32BIT_KERNEL
1543	select CPU_SUPPORTS_64BIT_KERNEL
1544	select CPU_SUPPORTS_HUGEPAGES
1545	help
1546	  MIPS Technologies R5000-series processors other than the Nevada.
1547
1548config CPU_R5432
1549	bool "R5432"
1550	depends on SYS_HAS_CPU_R5432
1551	select CPU_SUPPORTS_32BIT_KERNEL
1552	select CPU_SUPPORTS_64BIT_KERNEL
1553	select CPU_SUPPORTS_HUGEPAGES
1554
1555config CPU_R5500
1556	bool "R5500"
1557	depends on SYS_HAS_CPU_R5500
1558	select CPU_SUPPORTS_32BIT_KERNEL
1559	select CPU_SUPPORTS_64BIT_KERNEL
1560	select CPU_SUPPORTS_HUGEPAGES
1561	help
1562	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1563	  instruction set.
1564
1565config CPU_R6000
1566	bool "R6000"
1567	depends on SYS_HAS_CPU_R6000
1568	select CPU_SUPPORTS_32BIT_KERNEL
1569	help
1570	  MIPS Technologies R6000 and R6000A series processors.  Note these
1571	  processors are extremely rare and the support for them is incomplete.
1572
1573config CPU_NEVADA
1574	bool "RM52xx"
1575	depends on SYS_HAS_CPU_NEVADA
1576	select CPU_SUPPORTS_32BIT_KERNEL
1577	select CPU_SUPPORTS_64BIT_KERNEL
1578	select CPU_SUPPORTS_HUGEPAGES
1579	help
1580	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1581
1582config CPU_R8000
1583	bool "R8000"
1584	depends on SYS_HAS_CPU_R8000
1585	select CPU_HAS_PREFETCH
1586	select CPU_SUPPORTS_64BIT_KERNEL
1587	help
1588	  MIPS Technologies R8000 processors.  Note these processors are
1589	  uncommon and the support for them is incomplete.
1590
1591config CPU_R10000
1592	bool "R10000"
1593	depends on SYS_HAS_CPU_R10000
1594	select CPU_HAS_PREFETCH
1595	select CPU_SUPPORTS_32BIT_KERNEL
1596	select CPU_SUPPORTS_64BIT_KERNEL
1597	select CPU_SUPPORTS_HIGHMEM
1598	select CPU_SUPPORTS_HUGEPAGES
1599	help
1600	  MIPS Technologies R10000-series processors.
1601
1602config CPU_RM7000
1603	bool "RM7000"
1604	depends on SYS_HAS_CPU_RM7000
1605	select CPU_HAS_PREFETCH
1606	select CPU_SUPPORTS_32BIT_KERNEL
1607	select CPU_SUPPORTS_64BIT_KERNEL
1608	select CPU_SUPPORTS_HIGHMEM
1609	select CPU_SUPPORTS_HUGEPAGES
1610
1611config CPU_SB1
1612	bool "SB1"
1613	depends on SYS_HAS_CPU_SB1
1614	select CPU_SUPPORTS_32BIT_KERNEL
1615	select CPU_SUPPORTS_64BIT_KERNEL
1616	select CPU_SUPPORTS_HIGHMEM
1617	select CPU_SUPPORTS_HUGEPAGES
1618	select WEAK_ORDERING
1619
1620config CPU_CAVIUM_OCTEON
1621	bool "Cavium Octeon processor"
1622	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1623	select CPU_HAS_PREFETCH
1624	select CPU_SUPPORTS_64BIT_KERNEL
1625	select WEAK_ORDERING
1626	select CPU_SUPPORTS_HIGHMEM
1627	select CPU_SUPPORTS_HUGEPAGES
1628	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1629	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1630	select MIPS_L1_CACHE_SHIFT_7
1631	help
1632	  The Cavium Octeon processor is a highly integrated chip containing
1633	  many ethernet hardware widgets for networking tasks. The processor
1634	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1635	  Full details can be found at http://www.caviumnetworks.com.
1636
1637config CPU_BMIPS
1638	bool "Broadcom BMIPS"
1639	depends on SYS_HAS_CPU_BMIPS
1640	select CPU_MIPS32
1641	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1642	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1643	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1644	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1645	select CPU_SUPPORTS_32BIT_KERNEL
1646	select DMA_NONCOHERENT
1647	select IRQ_MIPS_CPU
1648	select SWAP_IO_SPACE
1649	select WEAK_ORDERING
1650	select CPU_SUPPORTS_HIGHMEM
1651	select CPU_HAS_PREFETCH
1652	help
1653	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1654
1655config CPU_XLR
1656	bool "Netlogic XLR SoC"
1657	depends on SYS_HAS_CPU_XLR
1658	select CPU_SUPPORTS_32BIT_KERNEL
1659	select CPU_SUPPORTS_64BIT_KERNEL
1660	select CPU_SUPPORTS_HIGHMEM
1661	select CPU_SUPPORTS_HUGEPAGES
1662	select WEAK_ORDERING
1663	select WEAK_REORDERING_BEYOND_LLSC
1664	help
1665	  Netlogic Microsystems XLR/XLS processors.
1666
1667config CPU_XLP
1668	bool "Netlogic XLP SoC"
1669	depends on SYS_HAS_CPU_XLP
1670	select CPU_SUPPORTS_32BIT_KERNEL
1671	select CPU_SUPPORTS_64BIT_KERNEL
1672	select CPU_SUPPORTS_HIGHMEM
1673	select WEAK_ORDERING
1674	select WEAK_REORDERING_BEYOND_LLSC
1675	select CPU_HAS_PREFETCH
1676	select CPU_MIPSR2
1677	select CPU_SUPPORTS_HUGEPAGES
1678	help
1679	  Netlogic Microsystems XLP processors.
1680endchoice
1681
1682config CPU_MIPS32_3_5_FEATURES
1683	bool "MIPS32 Release 3.5 Features"
1684	depends on SYS_HAS_CPU_MIPS32_R3_5
1685	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1686	help
1687	  Choose this option to build a kernel for release 2 or later of the
1688	  MIPS32 architecture including features from the 3.5 release such as
1689	  support for Enhanced Virtual Addressing (EVA).
1690
1691config CPU_MIPS32_3_5_EVA
1692	bool "Enhanced Virtual Addressing (EVA)"
1693	depends on CPU_MIPS32_3_5_FEATURES
1694	select EVA
1695	default y
1696	help
1697	  Choose this option if you want to enable the Enhanced Virtual
1698	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1699	  One of its primary benefits is an increase in the maximum size
1700	  of lowmem (up to 3GB). If unsure, say 'N' here.
1701
1702config CPU_MIPS32_R5_FEATURES
1703	bool "MIPS32 Release 5 Features"
1704	depends on SYS_HAS_CPU_MIPS32_R5
1705	depends on CPU_MIPS32_R2
1706	help
1707	  Choose this option to build a kernel for release 2 or later of the
1708	  MIPS32 architecture including features from release 5 such as
1709	  support for Extended Physical Addressing (XPA).
1710
1711config CPU_MIPS32_R5_XPA
1712	bool "Extended Physical Addressing (XPA)"
1713	depends on CPU_MIPS32_R5_FEATURES
1714	depends on !EVA
1715	depends on !PAGE_SIZE_4KB
1716	depends on SYS_SUPPORTS_HIGHMEM
1717	select XPA
1718	select HIGHMEM
1719	select ARCH_PHYS_ADDR_T_64BIT
1720	default n
1721	help
1722	  Choose this option if you want to enable the Extended Physical
1723	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1724	  benefit is to increase physical addressing equal to or greater
1725	  than 40 bits. Note that this has the side effect of turning on
1726	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1727	  If unsure, say 'N' here.
1728
1729if CPU_LOONGSON2F
1730config CPU_NOP_WORKAROUNDS
1731	bool
1732
1733config CPU_JUMP_WORKAROUNDS
1734	bool
1735
1736config CPU_LOONGSON2F_WORKAROUNDS
1737	bool "Loongson 2F Workarounds"
1738	default y
1739	select CPU_NOP_WORKAROUNDS
1740	select CPU_JUMP_WORKAROUNDS
1741	help
1742	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1743	  require workarounds.  Without workarounds the system may hang
1744	  unexpectedly.  For more information please refer to the gas
1745	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1746
1747	  Loongson 2F03 and later have fixed these issues and no workarounds
1748	  are needed.  The workarounds have no significant side effect on them
1749	  but may decrease the performance of the system so this option should
1750	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1751	  systems.
1752
1753	  If unsure, please say Y.
1754endif # CPU_LOONGSON2F
1755
1756config SYS_SUPPORTS_ZBOOT
1757	bool
1758	select HAVE_KERNEL_GZIP
1759	select HAVE_KERNEL_BZIP2
1760	select HAVE_KERNEL_LZ4
1761	select HAVE_KERNEL_LZMA
1762	select HAVE_KERNEL_LZO
1763	select HAVE_KERNEL_XZ
1764
1765config SYS_SUPPORTS_ZBOOT_UART16550
1766	bool
1767	select SYS_SUPPORTS_ZBOOT
1768
1769config SYS_SUPPORTS_ZBOOT_UART_PROM
1770	bool
1771	select SYS_SUPPORTS_ZBOOT
1772
1773config CPU_LOONGSON2
1774	bool
1775	select CPU_SUPPORTS_32BIT_KERNEL
1776	select CPU_SUPPORTS_64BIT_KERNEL
1777	select CPU_SUPPORTS_HIGHMEM
1778	select CPU_SUPPORTS_HUGEPAGES
1779
1780config CPU_LOONGSON1
1781	bool
1782	select CPU_MIPS32
1783	select CPU_MIPSR2
1784	select CPU_HAS_PREFETCH
1785	select CPU_SUPPORTS_32BIT_KERNEL
1786	select CPU_SUPPORTS_HIGHMEM
1787	select CPU_SUPPORTS_CPUFREQ
1788
1789config CPU_BMIPS32_3300
1790	select SMP_UP if SMP
1791	bool
1792
1793config CPU_BMIPS4350
1794	bool
1795	select SYS_SUPPORTS_SMP
1796	select SYS_SUPPORTS_HOTPLUG_CPU
1797
1798config CPU_BMIPS4380
1799	bool
1800	select MIPS_L1_CACHE_SHIFT_6
1801	select SYS_SUPPORTS_SMP
1802	select SYS_SUPPORTS_HOTPLUG_CPU
1803
1804config CPU_BMIPS5000
1805	bool
1806	select MIPS_CPU_SCACHE
1807	select MIPS_L1_CACHE_SHIFT_7
1808	select SYS_SUPPORTS_SMP
1809	select SYS_SUPPORTS_HOTPLUG_CPU
1810
1811config SYS_HAS_CPU_LOONGSON3
1812	bool
1813	select CPU_SUPPORTS_CPUFREQ
1814
1815config SYS_HAS_CPU_LOONGSON2E
1816	bool
1817
1818config SYS_HAS_CPU_LOONGSON2F
1819	bool
1820	select CPU_SUPPORTS_CPUFREQ
1821	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1822	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1823
1824config SYS_HAS_CPU_LOONGSON1B
1825	bool
1826
1827config SYS_HAS_CPU_MIPS32_R1
1828	bool
1829
1830config SYS_HAS_CPU_MIPS32_R2
1831	bool
1832
1833config SYS_HAS_CPU_MIPS32_R3_5
1834	bool
1835
1836config SYS_HAS_CPU_MIPS32_R5
1837	bool
1838
1839config SYS_HAS_CPU_MIPS32_R6
1840	bool
1841
1842config SYS_HAS_CPU_MIPS64_R1
1843	bool
1844
1845config SYS_HAS_CPU_MIPS64_R2
1846	bool
1847
1848config SYS_HAS_CPU_MIPS64_R6
1849	bool
1850
1851config SYS_HAS_CPU_R3000
1852	bool
1853
1854config SYS_HAS_CPU_TX39XX
1855	bool
1856
1857config SYS_HAS_CPU_VR41XX
1858	bool
1859
1860config SYS_HAS_CPU_R4300
1861	bool
1862
1863config SYS_HAS_CPU_R4X00
1864	bool
1865
1866config SYS_HAS_CPU_TX49XX
1867	bool
1868
1869config SYS_HAS_CPU_R5000
1870	bool
1871
1872config SYS_HAS_CPU_R5432
1873	bool
1874
1875config SYS_HAS_CPU_R5500
1876	bool
1877
1878config SYS_HAS_CPU_R6000
1879	bool
1880
1881config SYS_HAS_CPU_NEVADA
1882	bool
1883
1884config SYS_HAS_CPU_R8000
1885	bool
1886
1887config SYS_HAS_CPU_R10000
1888	bool
1889
1890config SYS_HAS_CPU_RM7000
1891	bool
1892
1893config SYS_HAS_CPU_SB1
1894	bool
1895
1896config SYS_HAS_CPU_CAVIUM_OCTEON
1897	bool
1898
1899config SYS_HAS_CPU_BMIPS
1900	bool
1901
1902config SYS_HAS_CPU_BMIPS32_3300
1903	bool
1904	select SYS_HAS_CPU_BMIPS
1905
1906config SYS_HAS_CPU_BMIPS4350
1907	bool
1908	select SYS_HAS_CPU_BMIPS
1909
1910config SYS_HAS_CPU_BMIPS4380
1911	bool
1912	select SYS_HAS_CPU_BMIPS
1913
1914config SYS_HAS_CPU_BMIPS5000
1915	bool
1916	select SYS_HAS_CPU_BMIPS
1917
1918config SYS_HAS_CPU_XLR
1919	bool
1920
1921config SYS_HAS_CPU_XLP
1922	bool
1923
1924config MIPS_MALTA_PM
1925	depends on MIPS_MALTA
1926	depends on PCI
1927	bool
1928	default y
1929
1930#
1931# CPU may reorder R->R, R->W, W->R, W->W
1932# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1933#
1934config WEAK_ORDERING
1935	bool
1936
1937#
1938# CPU may reorder reads and writes beyond LL/SC
1939# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1940#
1941config WEAK_REORDERING_BEYOND_LLSC
1942	bool
1943endmenu
1944
1945#
1946# These two indicate any level of the MIPS32 and MIPS64 architecture
1947#
1948config CPU_MIPS32
1949	bool
1950	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1951
1952config CPU_MIPS64
1953	bool
1954	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1955
1956#
1957# These two indicate the revision of the architecture, either Release 1 or Release 2
1958#
1959config CPU_MIPSR1
1960	bool
1961	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1962
1963config CPU_MIPSR2
1964	bool
1965	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1966	select MIPS_SPRAM
1967
1968config CPU_MIPSR6
1969	bool
1970	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1971	select MIPS_SPRAM
1972
1973config EVA
1974	bool
1975
1976config XPA
1977	bool
1978
1979config SYS_SUPPORTS_32BIT_KERNEL
1980	bool
1981config SYS_SUPPORTS_64BIT_KERNEL
1982	bool
1983config CPU_SUPPORTS_32BIT_KERNEL
1984	bool
1985config CPU_SUPPORTS_64BIT_KERNEL
1986	bool
1987config CPU_SUPPORTS_CPUFREQ
1988	bool
1989config CPU_SUPPORTS_ADDRWINCFG
1990	bool
1991config CPU_SUPPORTS_HUGEPAGES
1992	bool
1993config CPU_SUPPORTS_UNCACHED_ACCELERATED
1994	bool
1995config MIPS_PGD_C0_CONTEXT
1996	bool
1997	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1998
1999#
2000# Set to y for ptrace access to watch registers.
2001#
2002config HARDWARE_WATCHPOINTS
2003       bool
2004       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2005
2006menu "Kernel type"
2007
2008choice
2009	prompt "Kernel code model"
2010	help
2011	  You should only select this option if you have a workload that
2012	  actually benefits from 64-bit processing or if your machine has
2013	  large memory.  You will only be presented a single option in this
2014	  menu if your system does not support both 32-bit and 64-bit kernels.
2015
2016config 32BIT
2017	bool "32-bit kernel"
2018	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2019	select TRAD_SIGNALS
2020	help
2021	  Select this option if you want to build a 32-bit kernel.
2022
2023config 64BIT
2024	bool "64-bit kernel"
2025	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2026	help
2027	  Select this option if you want to build a 64-bit kernel.
2028
2029endchoice
2030
2031config KVM_GUEST
2032	bool "KVM Guest Kernel"
2033	depends on BROKEN_ON_SMP
2034	help
2035	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2036	  mode.
2037
2038config KVM_GUEST_TIMER_FREQ
2039	int "Count/Compare Timer Frequency (MHz)"
2040	depends on KVM_GUEST
2041	default 100
2042	help
2043	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2044	  emulation when determining guest CPU Frequency. Instead, the guest's
2045	  timer frequency is specified directly.
2046
2047choice
2048	prompt "Kernel page size"
2049	default PAGE_SIZE_4KB
2050
2051config PAGE_SIZE_4KB
2052	bool "4kB"
2053	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2054	help
2055	 This option select the standard 4kB Linux page size.  On some
2056	 R3000-family processors this is the only available page size.  Using
2057	 4kB page size will minimize memory consumption and is therefore
2058	 recommended for low memory systems.
2059
2060config PAGE_SIZE_8KB
2061	bool "8kB"
2062	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2063	help
2064	  Using 8kB page size will result in higher performance kernel at
2065	  the price of higher memory consumption.  This option is available
2066	  only on R8000 and cnMIPS processors.  Note that you will need a
2067	  suitable Linux distribution to support this.
2068
2069config PAGE_SIZE_16KB
2070	bool "16kB"
2071	depends on !CPU_R3000 && !CPU_TX39XX
2072	help
2073	  Using 16kB page size will result in higher performance kernel at
2074	  the price of higher memory consumption.  This option is available on
2075	  all non-R3000 family processors.  Note that you will need a suitable
2076	  Linux distribution to support this.
2077
2078config PAGE_SIZE_32KB
2079	bool "32kB"
2080	depends on CPU_CAVIUM_OCTEON
2081	help
2082	  Using 32kB page size will result in higher performance kernel at
2083	  the price of higher memory consumption.  This option is available
2084	  only on cnMIPS cores.  Note that you will need a suitable Linux
2085	  distribution to support this.
2086
2087config PAGE_SIZE_64KB
2088	bool "64kB"
2089	depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2090	help
2091	  Using 64kB page size will result in higher performance kernel at
2092	  the price of higher memory consumption.  This option is available on
2093	  all non-R3000 family processor.  Not that at the time of this
2094	  writing this option is still high experimental.
2095
2096endchoice
2097
2098config FORCE_MAX_ZONEORDER
2099	int "Maximum zone order"
2100	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2101	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2105	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2106	range 11 64
2107	default "11"
2108	help
2109	  The kernel memory allocator divides physically contiguous memory
2110	  blocks into "zones", where each zone is a power of two number of
2111	  pages.  This option selects the largest power of two that the kernel
2112	  keeps in the memory allocator.  If you need to allocate very large
2113	  blocks of physically contiguous memory, then you may need to
2114	  increase this value.
2115
2116	  This config option is actually maximum order plus one. For example,
2117	  a value of 11 means that the largest free memory block is 2^10 pages.
2118
2119	  The page size is not necessarily 4KB.  Keep this in mind
2120	  when choosing a value for this option.
2121
2122config BOARD_SCACHE
2123	bool
2124
2125config IP22_CPU_SCACHE
2126	bool
2127	select BOARD_SCACHE
2128
2129#
2130# Support for a MIPS32 / MIPS64 style S-caches
2131#
2132config MIPS_CPU_SCACHE
2133	bool
2134	select BOARD_SCACHE
2135
2136config R5000_CPU_SCACHE
2137	bool
2138	select BOARD_SCACHE
2139
2140config RM7000_CPU_SCACHE
2141	bool
2142	select BOARD_SCACHE
2143
2144config SIBYTE_DMA_PAGEOPS
2145	bool "Use DMA to clear/copy pages"
2146	depends on CPU_SB1
2147	help
2148	  Instead of using the CPU to zero and copy pages, use a Data Mover
2149	  channel.  These DMA channels are otherwise unused by the standard
2150	  SiByte Linux port.  Seems to give a small performance benefit.
2151
2152config CPU_HAS_PREFETCH
2153	bool
2154
2155config CPU_GENERIC_DUMP_TLB
2156	bool
2157	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2158
2159config CPU_R4K_FPU
2160	bool
2161	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2162
2163config CPU_R4K_CACHE_TLB
2164	bool
2165	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2166
2167config MIPS_MT_SMP
2168	bool "MIPS MT SMP support (1 TC on each available VPE)"
2169	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2170	select CPU_MIPSR2_IRQ_VI
2171	select CPU_MIPSR2_IRQ_EI
2172	select SYNC_R4K
2173	select MIPS_MT
2174	select SMP
2175	select SMP_UP
2176	select SYS_SUPPORTS_SMP
2177	select SYS_SUPPORTS_SCHED_SMT
2178	select MIPS_PERF_SHARED_TC_COUNTERS
2179	help
2180	  This is a kernel model which is known as SMVP. This is supported
2181	  on cores with the MT ASE and uses the available VPEs to implement
2182	  virtual processors which supports SMP. This is equivalent to the
2183	  Intel Hyperthreading feature. For further information go to
2184	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2185
2186config MIPS_MT
2187	bool
2188
2189config SCHED_SMT
2190	bool "SMT (multithreading) scheduler support"
2191	depends on SYS_SUPPORTS_SCHED_SMT
2192	default n
2193	help
2194	  SMT scheduler support improves the CPU scheduler's decision making
2195	  when dealing with MIPS MT enabled cores at a cost of slightly
2196	  increased overhead in some places. If unsure say N here.
2197
2198config SYS_SUPPORTS_SCHED_SMT
2199	bool
2200
2201config SYS_SUPPORTS_MULTITHREADING
2202	bool
2203
2204config MIPS_MT_FPAFF
2205	bool "Dynamic FPU affinity for FP-intensive threads"
2206	default y
2207	depends on MIPS_MT_SMP
2208
2209config MIPSR2_TO_R6_EMULATOR
2210	bool "MIPS R2-to-R6 emulator"
2211	depends on CPU_MIPSR6 && !SMP
2212	default y
2213	help
2214	  Choose this option if you want to run non-R6 MIPS userland code.
2215	  Even if you say 'Y' here, the emulator will still be disabled by
2216	  default. You can enable it using the 'mipsr2emu' kernel option.
2217	  The only reason this is a build-time option is to save ~14K from the
2218	  final kernel image.
2219comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2220	depends on SMP && CPU_MIPSR6
2221
2222config MIPS_VPE_LOADER
2223	bool "VPE loader support."
2224	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2225	select CPU_MIPSR2_IRQ_VI
2226	select CPU_MIPSR2_IRQ_EI
2227	select MIPS_MT
2228	help
2229	  Includes a loader for loading an elf relocatable object
2230	  onto another VPE and running it.
2231
2232config MIPS_VPE_LOADER_CMP
2233	bool
2234	default "y"
2235	depends on MIPS_VPE_LOADER && MIPS_CMP
2236
2237config MIPS_VPE_LOADER_MT
2238	bool
2239	default "y"
2240	depends on MIPS_VPE_LOADER && !MIPS_CMP
2241
2242config MIPS_VPE_LOADER_TOM
2243	bool "Load VPE program into memory hidden from linux"
2244	depends on MIPS_VPE_LOADER
2245	default y
2246	help
2247	  The loader can use memory that is present but has been hidden from
2248	  Linux using the kernel command line option "mem=xxMB". It's up to
2249	  you to ensure the amount you put in the option and the space your
2250	  program requires is less or equal to the amount physically present.
2251
2252config MIPS_VPE_APSP_API
2253	bool "Enable support for AP/SP API (RTLX)"
2254	depends on MIPS_VPE_LOADER
2255	help
2256
2257config MIPS_VPE_APSP_API_CMP
2258	bool
2259	default "y"
2260	depends on MIPS_VPE_APSP_API && MIPS_CMP
2261
2262config MIPS_VPE_APSP_API_MT
2263	bool
2264	default "y"
2265	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2266
2267config MIPS_CMP
2268	bool "MIPS CMP framework support (DEPRECATED)"
2269	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2270	select SMP
2271	select SYNC_R4K
2272	select SYS_SUPPORTS_SMP
2273	select WEAK_ORDERING
2274	default n
2275	help
2276	  Select this if you are using a bootloader which implements the "CMP
2277	  framework" protocol (ie. YAMON) and want your kernel to make use of
2278	  its ability to start secondary CPUs.
2279
2280	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2281	  instead of this.
2282
2283config MIPS_CPS
2284	bool "MIPS Coherent Processing System support"
2285	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2286	select MIPS_CM
2287	select MIPS_CPC
2288	select MIPS_CPS_PM if HOTPLUG_CPU
2289	select SMP
2290	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2291	select SYS_SUPPORTS_HOTPLUG_CPU
2292	select SYS_SUPPORTS_SMP
2293	select WEAK_ORDERING
2294	help
2295	  Select this if you wish to run an SMP kernel across multiple cores
2296	  within a MIPS Coherent Processing System. When this option is
2297	  enabled the kernel will probe for other cores and boot them with
2298	  no external assistance. It is safe to enable this when hardware
2299	  support is unavailable.
2300
2301config MIPS_CPS_PM
2302	depends on MIPS_CPS
2303	select MIPS_CPC
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
2874#
2875# ISA support is now enabled via select.  Too many systems still have the one
2876# or other ISA chip on the board that users don't know about so don't expect
2877# users to choose the right thing ...
2878#
2879config ISA
2880	bool
2881
2882config EISA
2883	bool "EISA support"
2884	depends on HW_HAS_EISA
2885	select ISA
2886	select GENERIC_ISA_DMA
2887	---help---
2888	  The Extended Industry Standard Architecture (EISA) bus was
2889	  developed as an open alternative to the IBM MicroChannel bus.
2890
2891	  The EISA bus provided some of the features of the IBM MicroChannel
2892	  bus while maintaining backward compatibility with cards made for
2893	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2894	  1995 when it was made obsolete by the PCI bus.
2895
2896	  Say Y here if you are building a kernel for an EISA-based machine.
2897
2898	  Otherwise, say N.
2899
2900source "drivers/eisa/Kconfig"
2901
2902config TC
2903	bool "TURBOchannel support"
2904	depends on MACH_DECSTATION
2905	help
2906	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2907	  processors.  TURBOchannel programming specifications are available
2908	  at:
2909	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2910	  and:
2911	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2912	  Linux driver support status is documented at:
2913	  <http://www.linux-mips.org/wiki/DECstation>
2914
2915config MMU
2916	bool
2917	default y
2918
2919config I8253
2920	bool
2921	select CLKSRC_I8253
2922	select CLKEVT_I8253
2923	select MIPS_EXTERNAL_TIMER
2924
2925config ZONE_DMA
2926	bool
2927
2928config ZONE_DMA32
2929	bool
2930
2931source "drivers/pcmcia/Kconfig"
2932
2933config RAPIDIO
2934	tristate "RapidIO support"
2935	depends on PCI
2936	default n
2937	help
2938	  If you say Y here, the kernel will include drivers and
2939	  infrastructure code to support RapidIO interconnect devices.
2940
2941source "drivers/rapidio/Kconfig"
2942
2943endmenu
2944
2945menu "Executable file formats"
2946
2947source "fs/Kconfig.binfmt"
2948
2949config TRAD_SIGNALS
2950	bool
2951
2952config MIPS32_COMPAT
2953	bool
2954
2955config COMPAT
2956	bool
2957
2958config SYSVIPC_COMPAT
2959	bool
2960
2961config MIPS32_O32
2962	bool "Kernel support for o32 binaries"
2963	depends on 64BIT
2964	select ARCH_WANT_OLD_COMPAT_IPC
2965	select COMPAT
2966	select MIPS32_COMPAT
2967	select SYSVIPC_COMPAT if SYSVIPC
2968	help
2969	  Select this option if you want to run o32 binaries.  These are pure
2970	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2971	  existing binaries are in this format.
2972
2973	  If unsure, say Y.
2974
2975config MIPS32_N32
2976	bool "Kernel support for n32 binaries"
2977	depends on 64BIT
2978	select COMPAT
2979	select MIPS32_COMPAT
2980	select SYSVIPC_COMPAT if SYSVIPC
2981	help
2982	  Select this option if you want to run n32 binaries.  These are
2983	  64-bit binaries using 32-bit quantities for addressing and certain
2984	  data that would normally be 64-bit.  They are used in special
2985	  cases.
2986
2987	  If unsure, say N.
2988
2989config BINFMT_ELF32
2990	bool
2991	default y if MIPS32_O32 || MIPS32_N32
2992
2993endmenu
2994
2995menu "Power management options"
2996
2997config ARCH_HIBERNATION_POSSIBLE
2998	def_bool y
2999	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3000
3001config ARCH_SUSPEND_POSSIBLE
3002	def_bool y
3003	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3004
3005source "kernel/power/Kconfig"
3006
3007endmenu
3008
3009config MIPS_EXTERNAL_TIMER
3010	bool
3011
3012menu "CPU Power Management"
3013
3014if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3015source "drivers/cpufreq/Kconfig"
3016endif
3017
3018source "drivers/cpuidle/Kconfig"
3019
3020endmenu
3021
3022source "net/Kconfig"
3023
3024source "drivers/Kconfig"
3025
3026source "drivers/firmware/Kconfig"
3027
3028source "fs/Kconfig"
3029
3030source "arch/mips/Kconfig.debug"
3031
3032source "security/Kconfig"
3033
3034source "crypto/Kconfig"
3035
3036source "lib/Kconfig"
3037
3038source "arch/mips/kvm/Kconfig"
3039