xref: /openbmc/linux/arch/mips/Kconfig (revision 98ddec80)
1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_BINFMT_ELF_STATE
6	select ARCH_CLOCKSOURCE_DATA
7	select ARCH_DISCARD_MEMBLOCK
8	select ARCH_HAS_ELF_RANDOMIZE
9	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
10	select ARCH_SUPPORTS_UPROBES
11	select ARCH_USE_BUILTIN_BSWAP
12	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
13	select ARCH_USE_QUEUED_RWLOCKS
14	select ARCH_USE_QUEUED_SPINLOCKS
15	select ARCH_WANT_IPC_PARSE_VERSION
16	select BUILDTIME_EXTABLE_SORT
17	select CLONE_BACKWARDS
18	select CPU_PM if CPU_IDLE
19	select GENERIC_ATOMIC64 if !64BIT
20	select GENERIC_CLOCKEVENTS
21	select GENERIC_CMOS_UPDATE
22	select GENERIC_CPU_AUTOPROBE
23	select GENERIC_IRQ_PROBE
24	select GENERIC_IRQ_SHOW
25	select GENERIC_LIB_ASHLDI3
26	select GENERIC_LIB_ASHRDI3
27	select GENERIC_LIB_CMPDI2
28	select GENERIC_LIB_LSHRDI3
29	select GENERIC_LIB_UCMPDI2
30	select GENERIC_PCI_IOMAP
31	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
32	select GENERIC_SMP_IDLE_THREAD
33	select GENERIC_TIME_VSYSCALL
34	select HANDLE_DOMAIN_IRQ
35	select HAVE_ARCH_JUMP_LABEL
36	select HAVE_ARCH_KGDB
37	select HAVE_ARCH_MMAP_RND_BITS if MMU
38	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
39	select HAVE_ARCH_SECCOMP_FILTER
40	select HAVE_ARCH_TRACEHOOK
41	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
42	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
43	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
44	select HAVE_CONTEXT_TRACKING
45	select HAVE_COPY_THREAD_TLS
46	select HAVE_C_RECORDMCOUNT
47	select HAVE_DEBUG_KMEMLEAK
48	select HAVE_DEBUG_STACKOVERFLOW
49	select HAVE_DMA_CONTIGUOUS
50	select HAVE_DYNAMIC_FTRACE
51	select HAVE_EXIT_THREAD
52	select HAVE_FTRACE_MCOUNT_RECORD
53	select HAVE_FUNCTION_GRAPH_TRACER
54	select HAVE_FUNCTION_TRACER
55	select HAVE_GENERIC_DMA_COHERENT
56	select HAVE_IDE
57	select HAVE_IRQ_EXIT_ON_IRQ_STACK
58	select HAVE_IRQ_TIME_ACCOUNTING
59	select HAVE_KPROBES
60	select HAVE_KRETPROBES
61	select HAVE_MEMBLOCK
62	select HAVE_MEMBLOCK_NODE_MAP
63	select HAVE_MOD_ARCH_SPECIFIC
64	select HAVE_NMI
65	select HAVE_OPROFILE
66	select HAVE_PERF_EVENTS
67	select HAVE_REGS_AND_STACK_ACCESS_API
68	select HAVE_RSEQ
69	select HAVE_STACKPROTECTOR
70	select HAVE_SYSCALL_TRACEPOINTS
71	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
72	select IRQ_FORCED_THREADING
73	select MODULES_USE_ELF_RELA if MODULES && 64BIT
74	select MODULES_USE_ELF_REL if MODULES
75	select PERF_USE_VMALLOC
76	select RTC_LIB if !MACH_LOONGSON64
77	select SYSCTL_EXCEPTION_TRACE
78	select VIRT_TO_BUS
79
80menu "Machine selection"
81
82choice
83	prompt "System type"
84	default MIPS_GENERIC
85
86config MIPS_GENERIC
87	bool "Generic board-agnostic MIPS kernel"
88	select BOOT_RAW
89	select BUILTIN_DTB
90	select CEVT_R4K
91	select CLKSRC_MIPS_GIC
92	select COMMON_CLK
93	select CPU_MIPSR2_IRQ_VI
94	select CPU_MIPSR2_IRQ_EI
95	select CSRC_R4K
96	select DMA_PERDEV_COHERENT
97	select HW_HAS_PCI
98	select IRQ_MIPS_CPU
99	select LIBFDT
100	select MIPS_CPU_SCACHE
101	select MIPS_GIC
102	select MIPS_L1_CACHE_SHIFT_7
103	select NO_EXCEPT_FILL
104	select PCI_DRIVERS_GENERIC
105	select PINCTRL
106	select SMP_UP if SMP
107	select SWAP_IO_SPACE
108	select SYS_HAS_CPU_MIPS32_R1
109	select SYS_HAS_CPU_MIPS32_R2
110	select SYS_HAS_CPU_MIPS32_R6
111	select SYS_HAS_CPU_MIPS64_R1
112	select SYS_HAS_CPU_MIPS64_R2
113	select SYS_HAS_CPU_MIPS64_R6
114	select SYS_SUPPORTS_32BIT_KERNEL
115	select SYS_SUPPORTS_64BIT_KERNEL
116	select SYS_SUPPORTS_BIG_ENDIAN
117	select SYS_SUPPORTS_HIGHMEM
118	select SYS_SUPPORTS_LITTLE_ENDIAN
119	select SYS_SUPPORTS_MICROMIPS
120	select SYS_SUPPORTS_MIPS_CPS
121	select SYS_SUPPORTS_MIPS16
122	select SYS_SUPPORTS_MULTITHREADING
123	select SYS_SUPPORTS_RELOCATABLE
124	select SYS_SUPPORTS_SMARTMIPS
125	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
126	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
127	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
128	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
129	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
130	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
131	select USE_OF
132	help
133	  Select this to build a kernel which aims to support multiple boards,
134	  generally using a flattened device tree passed from the bootloader
135	  using the boot protocol defined in the UHI (Unified Hosting
136	  Interface) specification.
137
138config MIPS_ALCHEMY
139	bool "Alchemy processor based machines"
140	select PHYS_ADDR_T_64BIT
141	select CEVT_R4K
142	select CSRC_R4K
143	select IRQ_MIPS_CPU
144	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
145	select SYS_HAS_CPU_MIPS32_R1
146	select SYS_SUPPORTS_32BIT_KERNEL
147	select SYS_SUPPORTS_APM_EMULATION
148	select GPIOLIB
149	select SYS_SUPPORTS_ZBOOT
150	select COMMON_CLK
151
152config AR7
153	bool "Texas Instruments AR7"
154	select BOOT_ELF32
155	select DMA_NONCOHERENT
156	select CEVT_R4K
157	select CSRC_R4K
158	select IRQ_MIPS_CPU
159	select NO_EXCEPT_FILL
160	select SWAP_IO_SPACE
161	select SYS_HAS_CPU_MIPS32_R1
162	select SYS_HAS_EARLY_PRINTK
163	select SYS_SUPPORTS_32BIT_KERNEL
164	select SYS_SUPPORTS_LITTLE_ENDIAN
165	select SYS_SUPPORTS_MIPS16
166	select SYS_SUPPORTS_ZBOOT_UART16550
167	select GPIOLIB
168	select VLYNQ
169	select HAVE_CLK
170	help
171	  Support for the Texas Instruments AR7 System-on-a-Chip
172	  family: TNETD7100, 7200 and 7300.
173
174config ATH25
175	bool "Atheros AR231x/AR531x SoC support"
176	select CEVT_R4K
177	select CSRC_R4K
178	select DMA_NONCOHERENT
179	select IRQ_MIPS_CPU
180	select IRQ_DOMAIN
181	select SYS_HAS_CPU_MIPS32_R1
182	select SYS_SUPPORTS_BIG_ENDIAN
183	select SYS_SUPPORTS_32BIT_KERNEL
184	select SYS_HAS_EARLY_PRINTK
185	help
186	  Support for Atheros AR231x and Atheros AR531x based boards
187
188config ATH79
189	bool "Atheros AR71XX/AR724X/AR913X based boards"
190	select ARCH_HAS_RESET_CONTROLLER
191	select BOOT_RAW
192	select CEVT_R4K
193	select CSRC_R4K
194	select DMA_NONCOHERENT
195	select GPIOLIB
196	select HAVE_CLK
197	select COMMON_CLK
198	select CLKDEV_LOOKUP
199	select IRQ_MIPS_CPU
200	select MIPS_MACHINE
201	select SYS_HAS_CPU_MIPS32_R2
202	select SYS_HAS_EARLY_PRINTK
203	select SYS_SUPPORTS_32BIT_KERNEL
204	select SYS_SUPPORTS_BIG_ENDIAN
205	select SYS_SUPPORTS_MIPS16
206	select SYS_SUPPORTS_ZBOOT_UART_PROM
207	select USE_OF
208	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
209	help
210	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
211
212config BMIPS_GENERIC
213	bool "Broadcom Generic BMIPS kernel"
214	select BOOT_RAW
215	select NO_EXCEPT_FILL
216	select USE_OF
217	select CEVT_R4K
218	select CSRC_R4K
219	select SYNC_R4K
220	select COMMON_CLK
221	select BCM6345_L1_IRQ
222	select BCM7038_L1_IRQ
223	select BCM7120_L2_IRQ
224	select BRCMSTB_L2_IRQ
225	select IRQ_MIPS_CPU
226	select DMA_NONCOHERENT
227	select SYS_SUPPORTS_32BIT_KERNEL
228	select SYS_SUPPORTS_LITTLE_ENDIAN
229	select SYS_SUPPORTS_BIG_ENDIAN
230	select SYS_SUPPORTS_HIGHMEM
231	select SYS_HAS_CPU_BMIPS32_3300
232	select SYS_HAS_CPU_BMIPS4350
233	select SYS_HAS_CPU_BMIPS4380
234	select SYS_HAS_CPU_BMIPS5000
235	select SWAP_IO_SPACE
236	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
237	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
238	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
239	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
240	select HARDIRQS_SW_RESEND
241	help
242	  Build a generic DT-based kernel image that boots on select
243	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
244	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
245	  must be set appropriately for your board.
246
247config BCM47XX
248	bool "Broadcom BCM47XX based boards"
249	select BOOT_RAW
250	select CEVT_R4K
251	select CSRC_R4K
252	select DMA_NONCOHERENT
253	select HW_HAS_PCI
254	select IRQ_MIPS_CPU
255	select SYS_HAS_CPU_MIPS32_R1
256	select NO_EXCEPT_FILL
257	select SYS_SUPPORTS_32BIT_KERNEL
258	select SYS_SUPPORTS_LITTLE_ENDIAN
259	select SYS_SUPPORTS_MIPS16
260	select SYS_SUPPORTS_ZBOOT
261	select SYS_HAS_EARLY_PRINTK
262	select USE_GENERIC_EARLY_PRINTK_8250
263	select GPIOLIB
264	select LEDS_GPIO_REGISTER
265	select BCM47XX_NVRAM
266	select BCM47XX_SPROM
267	select BCM47XX_SSB if !BCM47XX_BCMA
268	help
269	 Support for BCM47XX based boards
270
271config BCM63XX
272	bool "Broadcom BCM63XX based boards"
273	select BOOT_RAW
274	select CEVT_R4K
275	select CSRC_R4K
276	select SYNC_R4K
277	select DMA_NONCOHERENT
278	select IRQ_MIPS_CPU
279	select SYS_SUPPORTS_32BIT_KERNEL
280	select SYS_SUPPORTS_BIG_ENDIAN
281	select SYS_HAS_EARLY_PRINTK
282	select SWAP_IO_SPACE
283	select GPIOLIB
284	select HAVE_CLK
285	select MIPS_L1_CACHE_SHIFT_4
286	select CLKDEV_LOOKUP
287	help
288	 Support for BCM63XX based boards
289
290config MIPS_COBALT
291	bool "Cobalt Server"
292	select CEVT_R4K
293	select CSRC_R4K
294	select CEVT_GT641XX
295	select DMA_NONCOHERENT
296	select HW_HAS_PCI
297	select I8253
298	select I8259
299	select IRQ_MIPS_CPU
300	select IRQ_GT641XX
301	select PCI_GT64XXX_PCI0
302	select PCI
303	select SYS_HAS_CPU_NEVADA
304	select SYS_HAS_EARLY_PRINTK
305	select SYS_SUPPORTS_32BIT_KERNEL
306	select SYS_SUPPORTS_64BIT_KERNEL
307	select SYS_SUPPORTS_LITTLE_ENDIAN
308	select USE_GENERIC_EARLY_PRINTK_8250
309
310config MACH_DECSTATION
311	bool "DECstations"
312	select BOOT_ELF32
313	select CEVT_DS1287
314	select CEVT_R4K if CPU_R4X00
315	select CSRC_IOASIC
316	select CSRC_R4K if CPU_R4X00
317	select CPU_DADDI_WORKAROUNDS if 64BIT
318	select CPU_R4000_WORKAROUNDS if 64BIT
319	select CPU_R4400_WORKAROUNDS if 64BIT
320	select DMA_NONCOHERENT
321	select NO_IOPORT_MAP
322	select IRQ_MIPS_CPU
323	select SYS_HAS_CPU_R3000
324	select SYS_HAS_CPU_R4X00
325	select SYS_SUPPORTS_32BIT_KERNEL
326	select SYS_SUPPORTS_64BIT_KERNEL
327	select SYS_SUPPORTS_LITTLE_ENDIAN
328	select SYS_SUPPORTS_128HZ
329	select SYS_SUPPORTS_256HZ
330	select SYS_SUPPORTS_1024HZ
331	select MIPS_L1_CACHE_SHIFT_4
332	help
333	  This enables support for DEC's MIPS based workstations.  For details
334	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
335	  DECstation porting pages on <http://decstation.unix-ag.org/>.
336
337	  If you have one of the following DECstation Models you definitely
338	  want to choose R4xx0 for the CPU Type:
339
340		DECstation 5000/50
341		DECstation 5000/150
342		DECstation 5000/260
343		DECsystem 5900/260
344
345	  otherwise choose R3000.
346
347config MACH_JAZZ
348	bool "Jazz family of machines"
349	select ARCH_MIGHT_HAVE_PC_PARPORT
350	select ARCH_MIGHT_HAVE_PC_SERIO
351	select FW_ARC
352	select FW_ARC32
353	select ARCH_MAY_HAVE_PC_FDC
354	select CEVT_R4K
355	select CSRC_R4K
356	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
357	select GENERIC_ISA_DMA
358	select HAVE_PCSPKR_PLATFORM
359	select IRQ_MIPS_CPU
360	select I8253
361	select I8259
362	select ISA
363	select SYS_HAS_CPU_R4X00
364	select SYS_SUPPORTS_32BIT_KERNEL
365	select SYS_SUPPORTS_64BIT_KERNEL
366	select SYS_SUPPORTS_100HZ
367	help
368	 This a family of machines based on the MIPS R4030 chipset which was
369	 used by several vendors to build RISC/os and Windows NT workstations.
370	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
371	 Olivetti M700-10 workstations.
372
373config MACH_INGENIC
374	bool "Ingenic SoC based machines"
375	select SYS_SUPPORTS_32BIT_KERNEL
376	select SYS_SUPPORTS_LITTLE_ENDIAN
377	select SYS_SUPPORTS_ZBOOT_UART16550
378	select DMA_NONCOHERENT
379	select IRQ_MIPS_CPU
380	select PINCTRL
381	select GPIOLIB
382	select COMMON_CLK
383	select GENERIC_IRQ_CHIP
384	select BUILTIN_DTB
385	select USE_OF
386	select LIBFDT
387
388config LANTIQ
389	bool "Lantiq based platforms"
390	select DMA_NONCOHERENT
391	select IRQ_MIPS_CPU
392	select CEVT_R4K
393	select CSRC_R4K
394	select SYS_HAS_CPU_MIPS32_R1
395	select SYS_HAS_CPU_MIPS32_R2
396	select SYS_SUPPORTS_BIG_ENDIAN
397	select SYS_SUPPORTS_32BIT_KERNEL
398	select SYS_SUPPORTS_MIPS16
399	select SYS_SUPPORTS_MULTITHREADING
400	select SYS_SUPPORTS_VPE_LOADER
401	select SYS_HAS_EARLY_PRINTK
402	select GPIOLIB
403	select SWAP_IO_SPACE
404	select BOOT_RAW
405	select CLKDEV_LOOKUP
406	select USE_OF
407	select PINCTRL
408	select PINCTRL_LANTIQ
409	select ARCH_HAS_RESET_CONTROLLER
410	select RESET_CONTROLLER
411
412config LASAT
413	bool "LASAT Networks platforms"
414	select CEVT_R4K
415	select CRC32
416	select CSRC_R4K
417	select DMA_NONCOHERENT
418	select SYS_HAS_EARLY_PRINTK
419	select HW_HAS_PCI
420	select IRQ_MIPS_CPU
421	select PCI_GT64XXX_PCI0
422	select MIPS_NILE4
423	select R5000_CPU_SCACHE
424	select SYS_HAS_CPU_R5000
425	select SYS_SUPPORTS_32BIT_KERNEL
426	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
427	select SYS_SUPPORTS_LITTLE_ENDIAN
428
429config MACH_LOONGSON32
430	bool "Loongson-1 family of machines"
431	select SYS_SUPPORTS_ZBOOT
432	help
433	  This enables support for the Loongson-1 family of machines.
434
435	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
436	  the Institute of Computing Technology (ICT), Chinese Academy of
437	  Sciences (CAS).
438
439config MACH_LOONGSON64
440	bool "Loongson-2/3 family of machines"
441	select ARCH_HAS_PHYS_TO_DMA
442	select SYS_SUPPORTS_ZBOOT
443	help
444	  This enables the support of Loongson-2/3 family of machines.
445
446	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
447	  family of multi-core CPUs. They are both 64-bit general-purpose
448	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
449	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
450	  in the People's Republic of China. The chief architect is Professor
451	  Weiwu Hu.
452
453config MACH_PISTACHIO
454	bool "IMG Pistachio SoC based boards"
455	select BOOT_ELF32
456	select BOOT_RAW
457	select CEVT_R4K
458	select CLKSRC_MIPS_GIC
459	select COMMON_CLK
460	select CSRC_R4K
461	select DMA_NONCOHERENT
462	select GPIOLIB
463	select IRQ_MIPS_CPU
464	select LIBFDT
465	select MFD_SYSCON
466	select MIPS_CPU_SCACHE
467	select MIPS_GIC
468	select PINCTRL
469	select REGULATOR
470	select SYS_HAS_CPU_MIPS32_R2
471	select SYS_SUPPORTS_32BIT_KERNEL
472	select SYS_SUPPORTS_LITTLE_ENDIAN
473	select SYS_SUPPORTS_MIPS_CPS
474	select SYS_SUPPORTS_MULTITHREADING
475	select SYS_SUPPORTS_RELOCATABLE
476	select SYS_SUPPORTS_ZBOOT
477	select SYS_HAS_EARLY_PRINTK
478	select USE_GENERIC_EARLY_PRINTK_8250
479	select USE_OF
480	help
481	  This enables support for the IMG Pistachio SoC platform.
482
483config MIPS_MALTA
484	bool "MIPS Malta board"
485	select ARCH_MAY_HAVE_PC_FDC
486	select ARCH_MIGHT_HAVE_PC_PARPORT
487	select ARCH_MIGHT_HAVE_PC_SERIO
488	select BOOT_ELF32
489	select BOOT_RAW
490	select BUILTIN_DTB
491	select CEVT_R4K
492	select CSRC_R4K
493	select CLKSRC_MIPS_GIC
494	select COMMON_CLK
495	select DMA_MAYBE_COHERENT
496	select GENERIC_ISA_DMA
497	select HAVE_PCSPKR_PLATFORM
498	select IRQ_MIPS_CPU
499	select MIPS_GIC
500	select HW_HAS_PCI
501	select I8253
502	select I8259
503	select MIPS_BONITO64
504	select MIPS_CPU_SCACHE
505	select MIPS_L1_CACHE_SHIFT_6
506	select PCI_GT64XXX_PCI0
507	select MIPS_MSC
508	select SMP_UP if SMP
509	select SWAP_IO_SPACE
510	select SYS_HAS_CPU_MIPS32_R1
511	select SYS_HAS_CPU_MIPS32_R2
512	select SYS_HAS_CPU_MIPS32_R3_5
513	select SYS_HAS_CPU_MIPS32_R5
514	select SYS_HAS_CPU_MIPS32_R6
515	select SYS_HAS_CPU_MIPS64_R1
516	select SYS_HAS_CPU_MIPS64_R2
517	select SYS_HAS_CPU_MIPS64_R6
518	select SYS_HAS_CPU_NEVADA
519	select SYS_HAS_CPU_RM7000
520	select SYS_SUPPORTS_32BIT_KERNEL
521	select SYS_SUPPORTS_64BIT_KERNEL
522	select SYS_SUPPORTS_BIG_ENDIAN
523	select SYS_SUPPORTS_HIGHMEM
524	select SYS_SUPPORTS_LITTLE_ENDIAN
525	select SYS_SUPPORTS_MICROMIPS
526	select SYS_SUPPORTS_MIPS_CMP
527	select SYS_SUPPORTS_MIPS_CPS
528	select SYS_SUPPORTS_MIPS16
529	select SYS_SUPPORTS_MULTITHREADING
530	select SYS_SUPPORTS_SMARTMIPS
531	select SYS_SUPPORTS_VPE_LOADER
532	select SYS_SUPPORTS_ZBOOT
533	select SYS_SUPPORTS_RELOCATABLE
534	select USE_OF
535	select LIBFDT
536	select ZONE_DMA32 if 64BIT
537	select BUILTIN_DTB
538	select LIBFDT
539	help
540	  This enables support for the MIPS Technologies Malta evaluation
541	  board.
542
543config MACH_PIC32
544	bool "Microchip PIC32 Family"
545	help
546	  This enables support for the Microchip PIC32 family of platforms.
547
548	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
549	  microcontrollers.
550
551config NEC_MARKEINS
552	bool "NEC EMMA2RH Mark-eins board"
553	select SOC_EMMA2RH
554	select HW_HAS_PCI
555	help
556	  This enables support for the NEC Electronics Mark-eins boards.
557
558config MACH_VR41XX
559	bool "NEC VR4100 series based machines"
560	select CEVT_R4K
561	select CSRC_R4K
562	select SYS_HAS_CPU_VR41XX
563	select SYS_SUPPORTS_MIPS16
564	select GPIOLIB
565
566config NXP_STB220
567	bool "NXP STB220 board"
568	select SOC_PNX833X
569	help
570	 Support for NXP Semiconductors STB220 Development Board.
571
572config NXP_STB225
573	bool "NXP 225 board"
574	select SOC_PNX833X
575	select SOC_PNX8335
576	help
577	 Support for NXP Semiconductors STB225 Development Board.
578
579config PMC_MSP
580	bool "PMC-Sierra MSP chipsets"
581	select CEVT_R4K
582	select CSRC_R4K
583	select DMA_NONCOHERENT
584	select SWAP_IO_SPACE
585	select NO_EXCEPT_FILL
586	select BOOT_RAW
587	select SYS_HAS_CPU_MIPS32_R1
588	select SYS_HAS_CPU_MIPS32_R2
589	select SYS_SUPPORTS_32BIT_KERNEL
590	select SYS_SUPPORTS_BIG_ENDIAN
591	select SYS_SUPPORTS_MIPS16
592	select IRQ_MIPS_CPU
593	select SERIAL_8250
594	select SERIAL_8250_CONSOLE
595	select USB_EHCI_BIG_ENDIAN_MMIO
596	select USB_EHCI_BIG_ENDIAN_DESC
597	help
598	  This adds support for the PMC-Sierra family of Multi-Service
599	  Processor System-On-A-Chips.  These parts include a number
600	  of integrated peripherals, interfaces and DSPs in addition to
601	  a variety of MIPS cores.
602
603config RALINK
604	bool "Ralink based machines"
605	select CEVT_R4K
606	select CSRC_R4K
607	select BOOT_RAW
608	select DMA_NONCOHERENT
609	select IRQ_MIPS_CPU
610	select USE_OF
611	select SYS_HAS_CPU_MIPS32_R1
612	select SYS_HAS_CPU_MIPS32_R2
613	select SYS_SUPPORTS_32BIT_KERNEL
614	select SYS_SUPPORTS_LITTLE_ENDIAN
615	select SYS_SUPPORTS_MIPS16
616	select SYS_HAS_EARLY_PRINTK
617	select CLKDEV_LOOKUP
618	select ARCH_HAS_RESET_CONTROLLER
619	select RESET_CONTROLLER
620
621config SGI_IP22
622	bool "SGI IP22 (Indy/Indigo2)"
623	select FW_ARC
624	select FW_ARC32
625	select ARCH_MIGHT_HAVE_PC_SERIO
626	select BOOT_ELF32
627	select CEVT_R4K
628	select CSRC_R4K
629	select DEFAULT_SGI_PARTITION
630	select DMA_NONCOHERENT
631	select HW_HAS_EISA
632	select I8253
633	select I8259
634	select IP22_CPU_SCACHE
635	select IRQ_MIPS_CPU
636	select GENERIC_ISA_DMA_SUPPORT_BROKEN
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_R4X00
645	select SYS_HAS_CPU_R5000
646	#
647	# Disable EARLY_PRINTK for now since it leads to overwritten prom
648	# memory during early boot on some machines.
649	#
650	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
651	# for a more details discussion
652	#
653	# select SYS_HAS_EARLY_PRINTK
654	select SYS_SUPPORTS_32BIT_KERNEL
655	select SYS_SUPPORTS_64BIT_KERNEL
656	select SYS_SUPPORTS_BIG_ENDIAN
657	select MIPS_L1_CACHE_SHIFT_7
658	help
659	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
660	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
661	  that runs on these, say Y here.
662
663config SGI_IP27
664	bool "SGI IP27 (Origin200/2000)"
665	select FW_ARC
666	select FW_ARC64
667	select BOOT_ELF64
668	select DEFAULT_SGI_PARTITION
669	select DMA_COHERENT
670	select SYS_HAS_EARLY_PRINTK
671	select HW_HAS_PCI
672	select NR_CPUS_DEFAULT_64
673	select SYS_HAS_CPU_R10000
674	select SYS_SUPPORTS_64BIT_KERNEL
675	select SYS_SUPPORTS_BIG_ENDIAN
676	select SYS_SUPPORTS_NUMA
677	select SYS_SUPPORTS_SMP
678	select MIPS_L1_CACHE_SHIFT_7
679	help
680	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
681	  workstations.  To compile a Linux kernel that runs on these, say Y
682	  here.
683
684config SGI_IP28
685	bool "SGI IP28 (Indigo2 R10k)"
686	select FW_ARC
687	select FW_ARC64
688	select ARCH_MIGHT_HAVE_PC_SERIO
689	select BOOT_ELF64
690	select CEVT_R4K
691	select CSRC_R4K
692	select DEFAULT_SGI_PARTITION
693	select DMA_NONCOHERENT
694	select GENERIC_ISA_DMA_SUPPORT_BROKEN
695	select IRQ_MIPS_CPU
696	select HW_HAS_EISA
697	select I8253
698	select I8259
699	select SGI_HAS_I8042
700	select SGI_HAS_INDYDOG
701	select SGI_HAS_HAL2
702	select SGI_HAS_SEEQ
703	select SGI_HAS_WD93
704	select SGI_HAS_ZILOG
705	select SWAP_IO_SPACE
706	select SYS_HAS_CPU_R10000
707	#
708	# Disable EARLY_PRINTK for now since it leads to overwritten prom
709	# memory during early boot on some machines.
710	#
711	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
712	# for a more details discussion
713	#
714	# select SYS_HAS_EARLY_PRINTK
715	select SYS_SUPPORTS_64BIT_KERNEL
716	select SYS_SUPPORTS_BIG_ENDIAN
717	select MIPS_L1_CACHE_SHIFT_7
718      help
719        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
720        kernel that runs on these, say Y here.
721
722config SGI_IP32
723	bool "SGI IP32 (O2)"
724	select FW_ARC
725	select FW_ARC32
726	select BOOT_ELF32
727	select CEVT_R4K
728	select CSRC_R4K
729	select DMA_NONCOHERENT
730	select HW_HAS_PCI
731	select IRQ_MIPS_CPU
732	select R5000_CPU_SCACHE
733	select RM7000_CPU_SCACHE
734	select SYS_HAS_CPU_R5000
735	select SYS_HAS_CPU_R10000 if BROKEN
736	select SYS_HAS_CPU_RM7000
737	select SYS_HAS_CPU_NEVADA
738	select SYS_SUPPORTS_64BIT_KERNEL
739	select SYS_SUPPORTS_BIG_ENDIAN
740	help
741	  If you want this kernel to run on SGI O2 workstation, say Y here.
742
743config SIBYTE_CRHINE
744	bool "Sibyte BCM91120C-CRhine"
745	select BOOT_ELF32
746	select DMA_COHERENT
747	select SIBYTE_BCM1120
748	select SWAP_IO_SPACE
749	select SYS_HAS_CPU_SB1
750	select SYS_SUPPORTS_BIG_ENDIAN
751	select SYS_SUPPORTS_LITTLE_ENDIAN
752
753config SIBYTE_CARMEL
754	bool "Sibyte BCM91120x-Carmel"
755	select BOOT_ELF32
756	select DMA_COHERENT
757	select SIBYTE_BCM1120
758	select SWAP_IO_SPACE
759	select SYS_HAS_CPU_SB1
760	select SYS_SUPPORTS_BIG_ENDIAN
761	select SYS_SUPPORTS_LITTLE_ENDIAN
762
763config SIBYTE_CRHONE
764	bool "Sibyte BCM91125C-CRhone"
765	select BOOT_ELF32
766	select DMA_COHERENT
767	select SIBYTE_BCM1125
768	select SWAP_IO_SPACE
769	select SYS_HAS_CPU_SB1
770	select SYS_SUPPORTS_BIG_ENDIAN
771	select SYS_SUPPORTS_HIGHMEM
772	select SYS_SUPPORTS_LITTLE_ENDIAN
773
774config SIBYTE_RHONE
775	bool "Sibyte BCM91125E-Rhone"
776	select BOOT_ELF32
777	select DMA_COHERENT
778	select SIBYTE_BCM1125H
779	select SWAP_IO_SPACE
780	select SYS_HAS_CPU_SB1
781	select SYS_SUPPORTS_BIG_ENDIAN
782	select SYS_SUPPORTS_LITTLE_ENDIAN
783
784config SIBYTE_SWARM
785	bool "Sibyte BCM91250A-SWARM"
786	select BOOT_ELF32
787	select DMA_COHERENT
788	select HAVE_PATA_PLATFORM
789	select SIBYTE_SB1250
790	select SWAP_IO_SPACE
791	select SYS_HAS_CPU_SB1
792	select SYS_SUPPORTS_BIG_ENDIAN
793	select SYS_SUPPORTS_HIGHMEM
794	select SYS_SUPPORTS_LITTLE_ENDIAN
795	select ZONE_DMA32 if 64BIT
796
797config SIBYTE_LITTLESUR
798	bool "Sibyte BCM91250C2-LittleSur"
799	select BOOT_ELF32
800	select DMA_COHERENT
801	select HAVE_PATA_PLATFORM
802	select SIBYTE_SB1250
803	select SWAP_IO_SPACE
804	select SYS_HAS_CPU_SB1
805	select SYS_SUPPORTS_BIG_ENDIAN
806	select SYS_SUPPORTS_HIGHMEM
807	select SYS_SUPPORTS_LITTLE_ENDIAN
808
809config SIBYTE_SENTOSA
810	bool "Sibyte BCM91250E-Sentosa"
811	select BOOT_ELF32
812	select DMA_COHERENT
813	select SIBYTE_SB1250
814	select SWAP_IO_SPACE
815	select SYS_HAS_CPU_SB1
816	select SYS_SUPPORTS_BIG_ENDIAN
817	select SYS_SUPPORTS_LITTLE_ENDIAN
818
819config SIBYTE_BIGSUR
820	bool "Sibyte BCM91480B-BigSur"
821	select BOOT_ELF32
822	select DMA_COHERENT
823	select NR_CPUS_DEFAULT_4
824	select SIBYTE_BCM1x80
825	select SWAP_IO_SPACE
826	select SYS_HAS_CPU_SB1
827	select SYS_SUPPORTS_BIG_ENDIAN
828	select SYS_SUPPORTS_HIGHMEM
829	select SYS_SUPPORTS_LITTLE_ENDIAN
830	select ZONE_DMA32 if 64BIT
831
832config SNI_RM
833	bool "SNI RM200/300/400"
834	select FW_ARC if CPU_LITTLE_ENDIAN
835	select FW_ARC32 if CPU_LITTLE_ENDIAN
836	select FW_SNIPROM if CPU_BIG_ENDIAN
837	select ARCH_MAY_HAVE_PC_FDC
838	select ARCH_MIGHT_HAVE_PC_PARPORT
839	select ARCH_MIGHT_HAVE_PC_SERIO
840	select BOOT_ELF32
841	select CEVT_R4K
842	select CSRC_R4K
843	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
844	select DMA_NONCOHERENT
845	select GENERIC_ISA_DMA
846	select HAVE_PCSPKR_PLATFORM
847	select HW_HAS_EISA
848	select HW_HAS_PCI
849	select IRQ_MIPS_CPU
850	select I8253
851	select I8259
852	select ISA
853	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
854	select SYS_HAS_CPU_R4X00
855	select SYS_HAS_CPU_R5000
856	select SYS_HAS_CPU_R10000
857	select R5000_CPU_SCACHE
858	select SYS_HAS_EARLY_PRINTK
859	select SYS_SUPPORTS_32BIT_KERNEL
860	select SYS_SUPPORTS_64BIT_KERNEL
861	select SYS_SUPPORTS_BIG_ENDIAN
862	select SYS_SUPPORTS_HIGHMEM
863	select SYS_SUPPORTS_LITTLE_ENDIAN
864	help
865	  The SNI RM200/300/400 are MIPS-based machines manufactured by
866	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
867	  Technology and now in turn merged with Fujitsu.  Say Y here to
868	  support this machine type.
869
870config MACH_TX39XX
871	bool "Toshiba TX39 series based machines"
872
873config MACH_TX49XX
874	bool "Toshiba TX49 series based machines"
875
876config MIKROTIK_RB532
877	bool "Mikrotik RB532 boards"
878	select CEVT_R4K
879	select CSRC_R4K
880	select DMA_NONCOHERENT
881	select HW_HAS_PCI
882	select IRQ_MIPS_CPU
883	select SYS_HAS_CPU_MIPS32_R1
884	select SYS_SUPPORTS_32BIT_KERNEL
885	select SYS_SUPPORTS_LITTLE_ENDIAN
886	select SWAP_IO_SPACE
887	select BOOT_RAW
888	select GPIOLIB
889	select MIPS_L1_CACHE_SHIFT_4
890	help
891	  Support the Mikrotik(tm) RouterBoard 532 series,
892	  based on the IDT RC32434 SoC.
893
894config CAVIUM_OCTEON_SOC
895	bool "Cavium Networks Octeon SoC based boards"
896	select CEVT_R4K
897	select ARCH_HAS_PHYS_TO_DMA
898	select PHYS_ADDR_T_64BIT
899	select DMA_COHERENT
900	select SYS_SUPPORTS_64BIT_KERNEL
901	select SYS_SUPPORTS_BIG_ENDIAN
902	select EDAC_SUPPORT
903	select EDAC_ATOMIC_SCRUB
904	select SYS_SUPPORTS_LITTLE_ENDIAN
905	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
906	select SYS_HAS_EARLY_PRINTK
907	select SYS_HAS_CPU_CAVIUM_OCTEON
908	select HW_HAS_PCI
909	select ZONE_DMA32
910	select HOLES_IN_ZONE
911	select GPIOLIB
912	select LIBFDT
913	select USE_OF
914	select ARCH_SPARSEMEM_ENABLE
915	select SYS_SUPPORTS_SMP
916	select NR_CPUS_DEFAULT_64
917	select MIPS_NR_CPU_NR_MAP_1024
918	select BUILTIN_DTB
919	select MTD_COMPLEX_MAPPINGS
920	select SWIOTLB
921	select SYS_SUPPORTS_RELOCATABLE
922	help
923	  This option supports all of the Octeon reference boards from Cavium
924	  Networks. It builds a kernel that dynamically determines the Octeon
925	  CPU type and supports all known board reference implementations.
926	  Some of the supported boards are:
927		EBT3000
928		EBH3000
929		EBH3100
930		Thunder
931		Kodama
932		Hikari
933	  Say Y here for most Octeon reference boards.
934
935config NLM_XLR_BOARD
936	bool "Netlogic XLR/XLS based systems"
937	select BOOT_ELF32
938	select NLM_COMMON
939	select SYS_HAS_CPU_XLR
940	select SYS_SUPPORTS_SMP
941	select HW_HAS_PCI
942	select SWAP_IO_SPACE
943	select SYS_SUPPORTS_32BIT_KERNEL
944	select SYS_SUPPORTS_64BIT_KERNEL
945	select PHYS_ADDR_T_64BIT
946	select SYS_SUPPORTS_BIG_ENDIAN
947	select SYS_SUPPORTS_HIGHMEM
948	select DMA_COHERENT
949	select NR_CPUS_DEFAULT_32
950	select CEVT_R4K
951	select CSRC_R4K
952	select IRQ_MIPS_CPU
953	select ZONE_DMA32 if 64BIT
954	select SYNC_R4K
955	select SYS_HAS_EARLY_PRINTK
956	select SYS_SUPPORTS_ZBOOT
957	select SYS_SUPPORTS_ZBOOT_UART16550
958	help
959	  Support for systems based on Netlogic XLR and XLS processors.
960	  Say Y here if you have a XLR or XLS based board.
961
962config NLM_XLP_BOARD
963	bool "Netlogic XLP based systems"
964	select BOOT_ELF32
965	select NLM_COMMON
966	select SYS_HAS_CPU_XLP
967	select SYS_SUPPORTS_SMP
968	select HW_HAS_PCI
969	select SYS_SUPPORTS_32BIT_KERNEL
970	select SYS_SUPPORTS_64BIT_KERNEL
971	select PHYS_ADDR_T_64BIT
972	select GPIOLIB
973	select SYS_SUPPORTS_BIG_ENDIAN
974	select SYS_SUPPORTS_LITTLE_ENDIAN
975	select SYS_SUPPORTS_HIGHMEM
976	select DMA_COHERENT
977	select NR_CPUS_DEFAULT_32
978	select CEVT_R4K
979	select CSRC_R4K
980	select IRQ_MIPS_CPU
981	select ZONE_DMA32 if 64BIT
982	select SYNC_R4K
983	select SYS_HAS_EARLY_PRINTK
984	select USE_OF
985	select SYS_SUPPORTS_ZBOOT
986	select SYS_SUPPORTS_ZBOOT_UART16550
987	help
988	  This board is based on Netlogic XLP Processor.
989	  Say Y here if you have a XLP based board.
990
991config MIPS_PARAVIRT
992	bool "Para-Virtualized guest system"
993	select CEVT_R4K
994	select CSRC_R4K
995	select DMA_COHERENT
996	select SYS_SUPPORTS_64BIT_KERNEL
997	select SYS_SUPPORTS_32BIT_KERNEL
998	select SYS_SUPPORTS_BIG_ENDIAN
999	select SYS_SUPPORTS_SMP
1000	select NR_CPUS_DEFAULT_4
1001	select SYS_HAS_EARLY_PRINTK
1002	select SYS_HAS_CPU_MIPS32_R2
1003	select SYS_HAS_CPU_MIPS64_R2
1004	select SYS_HAS_CPU_CAVIUM_OCTEON
1005	select HW_HAS_PCI
1006	select SWAP_IO_SPACE
1007	help
1008	  This option supports guest running under ????
1009
1010endchoice
1011
1012source "arch/mips/alchemy/Kconfig"
1013source "arch/mips/ath25/Kconfig"
1014source "arch/mips/ath79/Kconfig"
1015source "arch/mips/bcm47xx/Kconfig"
1016source "arch/mips/bcm63xx/Kconfig"
1017source "arch/mips/bmips/Kconfig"
1018source "arch/mips/generic/Kconfig"
1019source "arch/mips/jazz/Kconfig"
1020source "arch/mips/jz4740/Kconfig"
1021source "arch/mips/lantiq/Kconfig"
1022source "arch/mips/lasat/Kconfig"
1023source "arch/mips/pic32/Kconfig"
1024source "arch/mips/pistachio/Kconfig"
1025source "arch/mips/pmcs-msp71xx/Kconfig"
1026source "arch/mips/ralink/Kconfig"
1027source "arch/mips/sgi-ip27/Kconfig"
1028source "arch/mips/sibyte/Kconfig"
1029source "arch/mips/txx9/Kconfig"
1030source "arch/mips/vr41xx/Kconfig"
1031source "arch/mips/cavium-octeon/Kconfig"
1032source "arch/mips/loongson32/Kconfig"
1033source "arch/mips/loongson64/Kconfig"
1034source "arch/mips/netlogic/Kconfig"
1035source "arch/mips/paravirt/Kconfig"
1036
1037endmenu
1038
1039config RWSEM_GENERIC_SPINLOCK
1040	bool
1041	default y
1042
1043config RWSEM_XCHGADD_ALGORITHM
1044	bool
1045
1046config GENERIC_HWEIGHT
1047	bool
1048	default y
1049
1050config GENERIC_CALIBRATE_DELAY
1051	bool
1052	default y
1053
1054config SCHED_OMIT_FRAME_POINTER
1055	bool
1056	default y
1057
1058#
1059# Select some configuration options automatically based on user selections.
1060#
1061config FW_ARC
1062	bool
1063
1064config ARCH_MAY_HAVE_PC_FDC
1065	bool
1066
1067config BOOT_RAW
1068	bool
1069
1070config CEVT_BCM1480
1071	bool
1072
1073config CEVT_DS1287
1074	bool
1075
1076config CEVT_GT641XX
1077	bool
1078
1079config CEVT_R4K
1080	bool
1081
1082config CEVT_SB1250
1083	bool
1084
1085config CEVT_TXX9
1086	bool
1087
1088config CSRC_BCM1480
1089	bool
1090
1091config CSRC_IOASIC
1092	bool
1093
1094config CSRC_R4K
1095	bool
1096
1097config CSRC_SB1250
1098	bool
1099
1100config MIPS_CLOCK_VSYSCALL
1101	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1102
1103config GPIO_TXX9
1104	select GPIOLIB
1105	bool
1106
1107config FW_CFE
1108	bool
1109
1110config ARCH_SUPPORTS_UPROBES
1111	bool
1112
1113config DMA_MAYBE_COHERENT
1114	select DMA_NONCOHERENT
1115	bool
1116
1117config DMA_PERDEV_COHERENT
1118	bool
1119	select DMA_MAYBE_COHERENT
1120
1121config DMA_COHERENT
1122	bool
1123
1124config DMA_NONCOHERENT
1125	bool
1126	select NEED_DMA_MAP_STATE
1127
1128config SYS_HAS_EARLY_PRINTK
1129	bool
1130
1131config SYS_SUPPORTS_HOTPLUG_CPU
1132	bool
1133
1134config MIPS_BONITO64
1135	bool
1136
1137config MIPS_MSC
1138	bool
1139
1140config MIPS_NILE4
1141	bool
1142
1143config SYNC_R4K
1144	bool
1145
1146config MIPS_MACHINE
1147	def_bool n
1148
1149config NO_IOPORT_MAP
1150	def_bool n
1151
1152config GENERIC_CSUM
1153	bool
1154
1155config GENERIC_ISA_DMA
1156	bool
1157	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1158	select ISA_DMA_API
1159
1160config GENERIC_ISA_DMA_SUPPORT_BROKEN
1161	bool
1162	select GENERIC_ISA_DMA
1163
1164config ISA_DMA_API
1165	bool
1166
1167config HOLES_IN_ZONE
1168	bool
1169
1170config SYS_SUPPORTS_RELOCATABLE
1171	bool
1172	help
1173	 Selected if the platform supports relocating the kernel.
1174	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1175	 to allow access to command line and entropy sources.
1176
1177config MIPS_CBPF_JIT
1178	def_bool y
1179	depends on BPF_JIT && HAVE_CBPF_JIT
1180
1181config MIPS_EBPF_JIT
1182	def_bool y
1183	depends on BPF_JIT && HAVE_EBPF_JIT
1184
1185
1186#
1187# Endianness selection.  Sufficiently obscure so many users don't know what to
1188# answer,so we try hard to limit the available choices.  Also the use of a
1189# choice statement should be more obvious to the user.
1190#
1191choice
1192	prompt "Endianness selection"
1193	help
1194	  Some MIPS machines can be configured for either little or big endian
1195	  byte order. These modes require different kernels and a different
1196	  Linux distribution.  In general there is one preferred byteorder for a
1197	  particular system but some systems are just as commonly used in the
1198	  one or the other endianness.
1199
1200config CPU_BIG_ENDIAN
1201	bool "Big endian"
1202	depends on SYS_SUPPORTS_BIG_ENDIAN
1203
1204config CPU_LITTLE_ENDIAN
1205	bool "Little endian"
1206	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1207
1208endchoice
1209
1210config EXPORT_UASM
1211	bool
1212
1213config SYS_SUPPORTS_APM_EMULATION
1214	bool
1215
1216config SYS_SUPPORTS_BIG_ENDIAN
1217	bool
1218
1219config SYS_SUPPORTS_LITTLE_ENDIAN
1220	bool
1221
1222config SYS_SUPPORTS_HUGETLBFS
1223	bool
1224	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1225	default y
1226
1227config MIPS_HUGE_TLB_SUPPORT
1228	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1229
1230config IRQ_CPU_RM7K
1231	bool
1232
1233config IRQ_MSP_SLP
1234	bool
1235
1236config IRQ_MSP_CIC
1237	bool
1238
1239config IRQ_TXX9
1240	bool
1241
1242config IRQ_GT641XX
1243	bool
1244
1245config PCI_GT64XXX_PCI0
1246	bool
1247
1248config NO_EXCEPT_FILL
1249	bool
1250
1251config SOC_EMMA2RH
1252	bool
1253	select CEVT_R4K
1254	select CSRC_R4K
1255	select DMA_NONCOHERENT
1256	select IRQ_MIPS_CPU
1257	select SWAP_IO_SPACE
1258	select SYS_HAS_CPU_R5500
1259	select SYS_SUPPORTS_32BIT_KERNEL
1260	select SYS_SUPPORTS_64BIT_KERNEL
1261	select SYS_SUPPORTS_BIG_ENDIAN
1262
1263config SOC_PNX833X
1264	bool
1265	select CEVT_R4K
1266	select CSRC_R4K
1267	select IRQ_MIPS_CPU
1268	select DMA_NONCOHERENT
1269	select SYS_HAS_CPU_MIPS32_R2
1270	select SYS_SUPPORTS_32BIT_KERNEL
1271	select SYS_SUPPORTS_LITTLE_ENDIAN
1272	select SYS_SUPPORTS_BIG_ENDIAN
1273	select SYS_SUPPORTS_MIPS16
1274	select CPU_MIPSR2_IRQ_VI
1275
1276config SOC_PNX8335
1277	bool
1278	select SOC_PNX833X
1279
1280config MIPS_SPRAM
1281	bool
1282
1283config SWAP_IO_SPACE
1284	bool
1285
1286config SGI_HAS_INDYDOG
1287	bool
1288
1289config SGI_HAS_HAL2
1290	bool
1291
1292config SGI_HAS_SEEQ
1293	bool
1294
1295config SGI_HAS_WD93
1296	bool
1297
1298config SGI_HAS_ZILOG
1299	bool
1300
1301config SGI_HAS_I8042
1302	bool
1303
1304config DEFAULT_SGI_PARTITION
1305	bool
1306
1307config FW_ARC32
1308	bool
1309
1310config FW_SNIPROM
1311	bool
1312
1313config BOOT_ELF32
1314	bool
1315
1316config MIPS_L1_CACHE_SHIFT_4
1317	bool
1318
1319config MIPS_L1_CACHE_SHIFT_5
1320	bool
1321
1322config MIPS_L1_CACHE_SHIFT_6
1323	bool
1324
1325config MIPS_L1_CACHE_SHIFT_7
1326	bool
1327
1328config MIPS_L1_CACHE_SHIFT
1329	int
1330	default "7" if MIPS_L1_CACHE_SHIFT_7
1331	default "6" if MIPS_L1_CACHE_SHIFT_6
1332	default "5" if MIPS_L1_CACHE_SHIFT_5
1333	default "4" if MIPS_L1_CACHE_SHIFT_4
1334	default "5"
1335
1336config HAVE_STD_PC_SERIAL_PORT
1337	bool
1338
1339config ARC_CONSOLE
1340	bool "ARC console support"
1341	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1342
1343config ARC_MEMORY
1344	bool
1345	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1346	default y
1347
1348config ARC_PROMLIB
1349	bool
1350	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1351	default y
1352
1353config FW_ARC64
1354	bool
1355
1356config BOOT_ELF64
1357	bool
1358
1359menu "CPU selection"
1360
1361choice
1362	prompt "CPU type"
1363	default CPU_R4X00
1364
1365config CPU_LOONGSON3
1366	bool "Loongson 3 CPU"
1367	depends on SYS_HAS_CPU_LOONGSON3
1368	select CPU_SUPPORTS_64BIT_KERNEL
1369	select CPU_SUPPORTS_HIGHMEM
1370	select CPU_SUPPORTS_HUGEPAGES
1371	select WEAK_ORDERING
1372	select WEAK_REORDERING_BEYOND_LLSC
1373	select MIPS_PGD_C0_CONTEXT
1374	select MIPS_L1_CACHE_SHIFT_6
1375	select GPIOLIB
1376	select SWIOTLB
1377	help
1378		The Loongson 3 processor implements the MIPS64R2 instruction
1379		set with many extensions.
1380
1381config LOONGSON3_ENHANCEMENT
1382	bool "New Loongson 3 CPU Enhancements"
1383	default n
1384	select CPU_MIPSR2
1385	select CPU_HAS_PREFETCH
1386	depends on CPU_LOONGSON3
1387	help
1388	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1389	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1390	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1391	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1392	  Fast TLB refill support, etc.
1393
1394	  This option enable those enhancements which are not probed at run
1395	  time. If you want a generic kernel to run on all Loongson 3 machines,
1396	  please say 'N' here. If you want a high-performance kernel to run on
1397	  new Loongson 3 machines only, please say 'Y' here.
1398
1399config CPU_LOONGSON2E
1400	bool "Loongson 2E"
1401	depends on SYS_HAS_CPU_LOONGSON2E
1402	select CPU_LOONGSON2
1403	help
1404	  The Loongson 2E processor implements the MIPS III instruction set
1405	  with many extensions.
1406
1407	  It has an internal FPGA northbridge, which is compatible to
1408	  bonito64.
1409
1410config CPU_LOONGSON2F
1411	bool "Loongson 2F"
1412	depends on SYS_HAS_CPU_LOONGSON2F
1413	select CPU_LOONGSON2
1414	select GPIOLIB
1415	help
1416	  The Loongson 2F processor implements the MIPS III instruction set
1417	  with many extensions.
1418
1419	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1420	  have a similar programming interface with FPGA northbridge used in
1421	  Loongson2E.
1422
1423config CPU_LOONGSON1B
1424	bool "Loongson 1B"
1425	depends on SYS_HAS_CPU_LOONGSON1B
1426	select CPU_LOONGSON1
1427	select LEDS_GPIO_REGISTER
1428	help
1429	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1430	  release 2 instruction set.
1431
1432config CPU_LOONGSON1C
1433	bool "Loongson 1C"
1434	depends on SYS_HAS_CPU_LOONGSON1C
1435	select CPU_LOONGSON1
1436	select LEDS_GPIO_REGISTER
1437	help
1438	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1439	  release 2 instruction set.
1440
1441config CPU_MIPS32_R1
1442	bool "MIPS32 Release 1"
1443	depends on SYS_HAS_CPU_MIPS32_R1
1444	select CPU_HAS_PREFETCH
1445	select CPU_SUPPORTS_32BIT_KERNEL
1446	select CPU_SUPPORTS_HIGHMEM
1447	help
1448	  Choose this option to build a kernel for release 1 or later of the
1449	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1450	  MIPS processor are based on a MIPS32 processor.  If you know the
1451	  specific type of processor in your system, choose those that one
1452	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1453	  Release 2 of the MIPS32 architecture is available since several
1454	  years so chances are you even have a MIPS32 Release 2 processor
1455	  in which case you should choose CPU_MIPS32_R2 instead for better
1456	  performance.
1457
1458config CPU_MIPS32_R2
1459	bool "MIPS32 Release 2"
1460	depends on SYS_HAS_CPU_MIPS32_R2
1461	select CPU_HAS_PREFETCH
1462	select CPU_SUPPORTS_32BIT_KERNEL
1463	select CPU_SUPPORTS_HIGHMEM
1464	select CPU_SUPPORTS_MSA
1465	select HAVE_KVM
1466	help
1467	  Choose this option to build a kernel for release 2 or later of the
1468	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1469	  MIPS processor are based on a MIPS32 processor.  If you know the
1470	  specific type of processor in your system, choose those that one
1471	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1472
1473config CPU_MIPS32_R6
1474	bool "MIPS32 Release 6"
1475	depends on SYS_HAS_CPU_MIPS32_R6
1476	select CPU_HAS_PREFETCH
1477	select CPU_SUPPORTS_32BIT_KERNEL
1478	select CPU_SUPPORTS_HIGHMEM
1479	select CPU_SUPPORTS_MSA
1480	select GENERIC_CSUM
1481	select HAVE_KVM
1482	select MIPS_O32_FP64_SUPPORT
1483	help
1484	  Choose this option to build a kernel for release 6 or later of the
1485	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1486	  family, are based on a MIPS32r6 processor. If you own an older
1487	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1488
1489config CPU_MIPS64_R1
1490	bool "MIPS64 Release 1"
1491	depends on SYS_HAS_CPU_MIPS64_R1
1492	select CPU_HAS_PREFETCH
1493	select CPU_SUPPORTS_32BIT_KERNEL
1494	select CPU_SUPPORTS_64BIT_KERNEL
1495	select CPU_SUPPORTS_HIGHMEM
1496	select CPU_SUPPORTS_HUGEPAGES
1497	help
1498	  Choose this option to build a kernel for release 1 or later of the
1499	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1500	  MIPS processor are based on a MIPS64 processor.  If you know the
1501	  specific type of processor in your system, choose those that one
1502	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1503	  Release 2 of the MIPS64 architecture is available since several
1504	  years so chances are you even have a MIPS64 Release 2 processor
1505	  in which case you should choose CPU_MIPS64_R2 instead for better
1506	  performance.
1507
1508config CPU_MIPS64_R2
1509	bool "MIPS64 Release 2"
1510	depends on SYS_HAS_CPU_MIPS64_R2
1511	select CPU_HAS_PREFETCH
1512	select CPU_SUPPORTS_32BIT_KERNEL
1513	select CPU_SUPPORTS_64BIT_KERNEL
1514	select CPU_SUPPORTS_HIGHMEM
1515	select CPU_SUPPORTS_HUGEPAGES
1516	select CPU_SUPPORTS_MSA
1517	select HAVE_KVM
1518	help
1519	  Choose this option to build a kernel for release 2 or later of the
1520	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1521	  MIPS processor are based on a MIPS64 processor.  If you know the
1522	  specific type of processor in your system, choose those that one
1523	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1524
1525config CPU_MIPS64_R6
1526	bool "MIPS64 Release 6"
1527	depends on SYS_HAS_CPU_MIPS64_R6
1528	select CPU_HAS_PREFETCH
1529	select CPU_SUPPORTS_32BIT_KERNEL
1530	select CPU_SUPPORTS_64BIT_KERNEL
1531	select CPU_SUPPORTS_HIGHMEM
1532	select CPU_SUPPORTS_MSA
1533	select GENERIC_CSUM
1534	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1535	select HAVE_KVM
1536	help
1537	  Choose this option to build a kernel for release 6 or later of the
1538	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1539	  family, are based on a MIPS64r6 processor. If you own an older
1540	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1541
1542config CPU_R3000
1543	bool "R3000"
1544	depends on SYS_HAS_CPU_R3000
1545	select CPU_HAS_WB
1546	select CPU_SUPPORTS_32BIT_KERNEL
1547	select CPU_SUPPORTS_HIGHMEM
1548	help
1549	  Please make sure to pick the right CPU type. Linux/MIPS is not
1550	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1551	  *not* work on R4000 machines and vice versa.  However, since most
1552	  of the supported machines have an R4000 (or similar) CPU, R4x00
1553	  might be a safe bet.  If the resulting kernel does not work,
1554	  try to recompile with R3000.
1555
1556config CPU_TX39XX
1557	bool "R39XX"
1558	depends on SYS_HAS_CPU_TX39XX
1559	select CPU_SUPPORTS_32BIT_KERNEL
1560
1561config CPU_VR41XX
1562	bool "R41xx"
1563	depends on SYS_HAS_CPU_VR41XX
1564	select CPU_SUPPORTS_32BIT_KERNEL
1565	select CPU_SUPPORTS_64BIT_KERNEL
1566	help
1567	  The options selects support for the NEC VR4100 series of processors.
1568	  Only choose this option if you have one of these processors as a
1569	  kernel built with this option will not run on any other type of
1570	  processor or vice versa.
1571
1572config CPU_R4300
1573	bool "R4300"
1574	depends on SYS_HAS_CPU_R4300
1575	select CPU_SUPPORTS_32BIT_KERNEL
1576	select CPU_SUPPORTS_64BIT_KERNEL
1577	help
1578	  MIPS Technologies R4300-series processors.
1579
1580config CPU_R4X00
1581	bool "R4x00"
1582	depends on SYS_HAS_CPU_R4X00
1583	select CPU_SUPPORTS_32BIT_KERNEL
1584	select CPU_SUPPORTS_64BIT_KERNEL
1585	select CPU_SUPPORTS_HUGEPAGES
1586	help
1587	  MIPS Technologies R4000-series processors other than 4300, including
1588	  the R4000, R4400, R4600, and 4700.
1589
1590config CPU_TX49XX
1591	bool "R49XX"
1592	depends on SYS_HAS_CPU_TX49XX
1593	select CPU_HAS_PREFETCH
1594	select CPU_SUPPORTS_32BIT_KERNEL
1595	select CPU_SUPPORTS_64BIT_KERNEL
1596	select CPU_SUPPORTS_HUGEPAGES
1597
1598config CPU_R5000
1599	bool "R5000"
1600	depends on SYS_HAS_CPU_R5000
1601	select CPU_SUPPORTS_32BIT_KERNEL
1602	select CPU_SUPPORTS_64BIT_KERNEL
1603	select CPU_SUPPORTS_HUGEPAGES
1604	help
1605	  MIPS Technologies R5000-series processors other than the Nevada.
1606
1607config CPU_R5432
1608	bool "R5432"
1609	depends on SYS_HAS_CPU_R5432
1610	select CPU_SUPPORTS_32BIT_KERNEL
1611	select CPU_SUPPORTS_64BIT_KERNEL
1612	select CPU_SUPPORTS_HUGEPAGES
1613
1614config CPU_R5500
1615	bool "R5500"
1616	depends on SYS_HAS_CPU_R5500
1617	select CPU_SUPPORTS_32BIT_KERNEL
1618	select CPU_SUPPORTS_64BIT_KERNEL
1619	select CPU_SUPPORTS_HUGEPAGES
1620	help
1621	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1622	  instruction set.
1623
1624config CPU_NEVADA
1625	bool "RM52xx"
1626	depends on SYS_HAS_CPU_NEVADA
1627	select CPU_SUPPORTS_32BIT_KERNEL
1628	select CPU_SUPPORTS_64BIT_KERNEL
1629	select CPU_SUPPORTS_HUGEPAGES
1630	help
1631	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1632
1633config CPU_R8000
1634	bool "R8000"
1635	depends on SYS_HAS_CPU_R8000
1636	select CPU_HAS_PREFETCH
1637	select CPU_SUPPORTS_64BIT_KERNEL
1638	help
1639	  MIPS Technologies R8000 processors.  Note these processors are
1640	  uncommon and the support for them is incomplete.
1641
1642config CPU_R10000
1643	bool "R10000"
1644	depends on SYS_HAS_CPU_R10000
1645	select CPU_HAS_PREFETCH
1646	select CPU_SUPPORTS_32BIT_KERNEL
1647	select CPU_SUPPORTS_64BIT_KERNEL
1648	select CPU_SUPPORTS_HIGHMEM
1649	select CPU_SUPPORTS_HUGEPAGES
1650	help
1651	  MIPS Technologies R10000-series processors.
1652
1653config CPU_RM7000
1654	bool "RM7000"
1655	depends on SYS_HAS_CPU_RM7000
1656	select CPU_HAS_PREFETCH
1657	select CPU_SUPPORTS_32BIT_KERNEL
1658	select CPU_SUPPORTS_64BIT_KERNEL
1659	select CPU_SUPPORTS_HIGHMEM
1660	select CPU_SUPPORTS_HUGEPAGES
1661
1662config CPU_SB1
1663	bool "SB1"
1664	depends on SYS_HAS_CPU_SB1
1665	select CPU_SUPPORTS_32BIT_KERNEL
1666	select CPU_SUPPORTS_64BIT_KERNEL
1667	select CPU_SUPPORTS_HIGHMEM
1668	select CPU_SUPPORTS_HUGEPAGES
1669	select WEAK_ORDERING
1670
1671config CPU_CAVIUM_OCTEON
1672	bool "Cavium Octeon processor"
1673	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1674	select CPU_HAS_PREFETCH
1675	select CPU_SUPPORTS_64BIT_KERNEL
1676	select WEAK_ORDERING
1677	select CPU_SUPPORTS_HIGHMEM
1678	select CPU_SUPPORTS_HUGEPAGES
1679	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1680	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1681	select MIPS_L1_CACHE_SHIFT_7
1682	select HAVE_KVM
1683	help
1684	  The Cavium Octeon processor is a highly integrated chip containing
1685	  many ethernet hardware widgets for networking tasks. The processor
1686	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1687	  Full details can be found at http://www.caviumnetworks.com.
1688
1689config CPU_BMIPS
1690	bool "Broadcom BMIPS"
1691	depends on SYS_HAS_CPU_BMIPS
1692	select CPU_MIPS32
1693	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1694	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1695	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1696	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1697	select CPU_SUPPORTS_32BIT_KERNEL
1698	select DMA_NONCOHERENT
1699	select IRQ_MIPS_CPU
1700	select SWAP_IO_SPACE
1701	select WEAK_ORDERING
1702	select CPU_SUPPORTS_HIGHMEM
1703	select CPU_HAS_PREFETCH
1704	select CPU_SUPPORTS_CPUFREQ
1705	select MIPS_EXTERNAL_TIMER
1706	help
1707	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1708
1709config CPU_XLR
1710	bool "Netlogic XLR SoC"
1711	depends on SYS_HAS_CPU_XLR
1712	select CPU_SUPPORTS_32BIT_KERNEL
1713	select CPU_SUPPORTS_64BIT_KERNEL
1714	select CPU_SUPPORTS_HIGHMEM
1715	select CPU_SUPPORTS_HUGEPAGES
1716	select WEAK_ORDERING
1717	select WEAK_REORDERING_BEYOND_LLSC
1718	help
1719	  Netlogic Microsystems XLR/XLS processors.
1720
1721config CPU_XLP
1722	bool "Netlogic XLP SoC"
1723	depends on SYS_HAS_CPU_XLP
1724	select CPU_SUPPORTS_32BIT_KERNEL
1725	select CPU_SUPPORTS_64BIT_KERNEL
1726	select CPU_SUPPORTS_HIGHMEM
1727	select WEAK_ORDERING
1728	select WEAK_REORDERING_BEYOND_LLSC
1729	select CPU_HAS_PREFETCH
1730	select CPU_MIPSR2
1731	select CPU_SUPPORTS_HUGEPAGES
1732	select MIPS_ASID_BITS_VARIABLE
1733	help
1734	  Netlogic Microsystems XLP processors.
1735endchoice
1736
1737config CPU_MIPS32_3_5_FEATURES
1738	bool "MIPS32 Release 3.5 Features"
1739	depends on SYS_HAS_CPU_MIPS32_R3_5
1740	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1741	help
1742	  Choose this option to build a kernel for release 2 or later of the
1743	  MIPS32 architecture including features from the 3.5 release such as
1744	  support for Enhanced Virtual Addressing (EVA).
1745
1746config CPU_MIPS32_3_5_EVA
1747	bool "Enhanced Virtual Addressing (EVA)"
1748	depends on CPU_MIPS32_3_5_FEATURES
1749	select EVA
1750	default y
1751	help
1752	  Choose this option if you want to enable the Enhanced Virtual
1753	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1754	  One of its primary benefits is an increase in the maximum size
1755	  of lowmem (up to 3GB). If unsure, say 'N' here.
1756
1757config CPU_MIPS32_R5_FEATURES
1758	bool "MIPS32 Release 5 Features"
1759	depends on SYS_HAS_CPU_MIPS32_R5
1760	depends on CPU_MIPS32_R2
1761	help
1762	  Choose this option to build a kernel for release 2 or later of the
1763	  MIPS32 architecture including features from release 5 such as
1764	  support for Extended Physical Addressing (XPA).
1765
1766config CPU_MIPS32_R5_XPA
1767	bool "Extended Physical Addressing (XPA)"
1768	depends on CPU_MIPS32_R5_FEATURES
1769	depends on !EVA
1770	depends on !PAGE_SIZE_4KB
1771	depends on SYS_SUPPORTS_HIGHMEM
1772	select XPA
1773	select HIGHMEM
1774	select PHYS_ADDR_T_64BIT
1775	default n
1776	help
1777	  Choose this option if you want to enable the Extended Physical
1778	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1779	  benefit is to increase physical addressing equal to or greater
1780	  than 40 bits. Note that this has the side effect of turning on
1781	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1782	  If unsure, say 'N' here.
1783
1784if CPU_LOONGSON2F
1785config CPU_NOP_WORKAROUNDS
1786	bool
1787
1788config CPU_JUMP_WORKAROUNDS
1789	bool
1790
1791config CPU_LOONGSON2F_WORKAROUNDS
1792	bool "Loongson 2F Workarounds"
1793	default y
1794	select CPU_NOP_WORKAROUNDS
1795	select CPU_JUMP_WORKAROUNDS
1796	help
1797	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1798	  require workarounds.  Without workarounds the system may hang
1799	  unexpectedly.  For more information please refer to the gas
1800	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1801
1802	  Loongson 2F03 and later have fixed these issues and no workarounds
1803	  are needed.  The workarounds have no significant side effect on them
1804	  but may decrease the performance of the system so this option should
1805	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1806	  systems.
1807
1808	  If unsure, please say Y.
1809endif # CPU_LOONGSON2F
1810
1811config SYS_SUPPORTS_ZBOOT
1812	bool
1813	select HAVE_KERNEL_GZIP
1814	select HAVE_KERNEL_BZIP2
1815	select HAVE_KERNEL_LZ4
1816	select HAVE_KERNEL_LZMA
1817	select HAVE_KERNEL_LZO
1818	select HAVE_KERNEL_XZ
1819
1820config SYS_SUPPORTS_ZBOOT_UART16550
1821	bool
1822	select SYS_SUPPORTS_ZBOOT
1823
1824config SYS_SUPPORTS_ZBOOT_UART_PROM
1825	bool
1826	select SYS_SUPPORTS_ZBOOT
1827
1828config CPU_LOONGSON2
1829	bool
1830	select CPU_SUPPORTS_32BIT_KERNEL
1831	select CPU_SUPPORTS_64BIT_KERNEL
1832	select CPU_SUPPORTS_HIGHMEM
1833	select CPU_SUPPORTS_HUGEPAGES
1834
1835config CPU_LOONGSON1
1836	bool
1837	select CPU_MIPS32
1838	select CPU_MIPSR2
1839	select CPU_HAS_PREFETCH
1840	select CPU_SUPPORTS_32BIT_KERNEL
1841	select CPU_SUPPORTS_HIGHMEM
1842	select CPU_SUPPORTS_CPUFREQ
1843
1844config CPU_BMIPS32_3300
1845	select SMP_UP if SMP
1846	bool
1847
1848config CPU_BMIPS4350
1849	bool
1850	select SYS_SUPPORTS_SMP
1851	select SYS_SUPPORTS_HOTPLUG_CPU
1852
1853config CPU_BMIPS4380
1854	bool
1855	select MIPS_L1_CACHE_SHIFT_6
1856	select SYS_SUPPORTS_SMP
1857	select SYS_SUPPORTS_HOTPLUG_CPU
1858	select CPU_HAS_RIXI
1859
1860config CPU_BMIPS5000
1861	bool
1862	select MIPS_CPU_SCACHE
1863	select MIPS_L1_CACHE_SHIFT_7
1864	select SYS_SUPPORTS_SMP
1865	select SYS_SUPPORTS_HOTPLUG_CPU
1866	select CPU_HAS_RIXI
1867
1868config SYS_HAS_CPU_LOONGSON3
1869	bool
1870	select CPU_SUPPORTS_CPUFREQ
1871	select CPU_HAS_RIXI
1872
1873config SYS_HAS_CPU_LOONGSON2E
1874	bool
1875
1876config SYS_HAS_CPU_LOONGSON2F
1877	bool
1878	select CPU_SUPPORTS_CPUFREQ
1879	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1880	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1881
1882config SYS_HAS_CPU_LOONGSON1B
1883	bool
1884
1885config SYS_HAS_CPU_LOONGSON1C
1886	bool
1887
1888config SYS_HAS_CPU_MIPS32_R1
1889	bool
1890
1891config SYS_HAS_CPU_MIPS32_R2
1892	bool
1893
1894config SYS_HAS_CPU_MIPS32_R3_5
1895	bool
1896
1897config SYS_HAS_CPU_MIPS32_R5
1898	bool
1899
1900config SYS_HAS_CPU_MIPS32_R6
1901	bool
1902
1903config SYS_HAS_CPU_MIPS64_R1
1904	bool
1905
1906config SYS_HAS_CPU_MIPS64_R2
1907	bool
1908
1909config SYS_HAS_CPU_MIPS64_R6
1910	bool
1911
1912config SYS_HAS_CPU_R3000
1913	bool
1914
1915config SYS_HAS_CPU_TX39XX
1916	bool
1917
1918config SYS_HAS_CPU_VR41XX
1919	bool
1920
1921config SYS_HAS_CPU_R4300
1922	bool
1923
1924config SYS_HAS_CPU_R4X00
1925	bool
1926
1927config SYS_HAS_CPU_TX49XX
1928	bool
1929
1930config SYS_HAS_CPU_R5000
1931	bool
1932
1933config SYS_HAS_CPU_R5432
1934	bool
1935
1936config SYS_HAS_CPU_R5500
1937	bool
1938
1939config SYS_HAS_CPU_NEVADA
1940	bool
1941
1942config SYS_HAS_CPU_R8000
1943	bool
1944
1945config SYS_HAS_CPU_R10000
1946	bool
1947
1948config SYS_HAS_CPU_RM7000
1949	bool
1950
1951config SYS_HAS_CPU_SB1
1952	bool
1953
1954config SYS_HAS_CPU_CAVIUM_OCTEON
1955	bool
1956
1957config SYS_HAS_CPU_BMIPS
1958	bool
1959
1960config SYS_HAS_CPU_BMIPS32_3300
1961	bool
1962	select SYS_HAS_CPU_BMIPS
1963
1964config SYS_HAS_CPU_BMIPS4350
1965	bool
1966	select SYS_HAS_CPU_BMIPS
1967
1968config SYS_HAS_CPU_BMIPS4380
1969	bool
1970	select SYS_HAS_CPU_BMIPS
1971
1972config SYS_HAS_CPU_BMIPS5000
1973	bool
1974	select SYS_HAS_CPU_BMIPS
1975
1976config SYS_HAS_CPU_XLR
1977	bool
1978
1979config SYS_HAS_CPU_XLP
1980	bool
1981
1982config MIPS_MALTA_PM
1983	depends on MIPS_MALTA
1984	depends on PCI
1985	bool
1986	default y
1987
1988#
1989# CPU may reorder R->R, R->W, W->R, W->W
1990# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1991#
1992config WEAK_ORDERING
1993	bool
1994
1995#
1996# CPU may reorder reads and writes beyond LL/SC
1997# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1998#
1999config WEAK_REORDERING_BEYOND_LLSC
2000	bool
2001endmenu
2002
2003#
2004# These two indicate any level of the MIPS32 and MIPS64 architecture
2005#
2006config CPU_MIPS32
2007	bool
2008	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2009
2010config CPU_MIPS64
2011	bool
2012	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2013
2014#
2015# These two indicate the revision of the architecture, either Release 1 or Release 2
2016#
2017config CPU_MIPSR1
2018	bool
2019	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2020
2021config CPU_MIPSR2
2022	bool
2023	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2024	select CPU_HAS_RIXI
2025	select MIPS_SPRAM
2026
2027config CPU_MIPSR6
2028	bool
2029	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2030	select CPU_HAS_RIXI
2031	select HAVE_ARCH_BITREVERSE
2032	select MIPS_ASID_BITS_VARIABLE
2033	select MIPS_CRC_SUPPORT
2034	select MIPS_SPRAM
2035
2036config EVA
2037	bool
2038
2039config XPA
2040	bool
2041
2042config SYS_SUPPORTS_32BIT_KERNEL
2043	bool
2044config SYS_SUPPORTS_64BIT_KERNEL
2045	bool
2046config CPU_SUPPORTS_32BIT_KERNEL
2047	bool
2048config CPU_SUPPORTS_64BIT_KERNEL
2049	bool
2050config CPU_SUPPORTS_CPUFREQ
2051	bool
2052config CPU_SUPPORTS_ADDRWINCFG
2053	bool
2054config CPU_SUPPORTS_HUGEPAGES
2055	bool
2056config CPU_SUPPORTS_UNCACHED_ACCELERATED
2057	bool
2058config MIPS_PGD_C0_CONTEXT
2059	bool
2060	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2061
2062#
2063# Set to y for ptrace access to watch registers.
2064#
2065config HARDWARE_WATCHPOINTS
2066       bool
2067       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2068
2069menu "Kernel type"
2070
2071choice
2072	prompt "Kernel code model"
2073	help
2074	  You should only select this option if you have a workload that
2075	  actually benefits from 64-bit processing or if your machine has
2076	  large memory.  You will only be presented a single option in this
2077	  menu if your system does not support both 32-bit and 64-bit kernels.
2078
2079config 32BIT
2080	bool "32-bit kernel"
2081	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2082	select TRAD_SIGNALS
2083	help
2084	  Select this option if you want to build a 32-bit kernel.
2085
2086config 64BIT
2087	bool "64-bit kernel"
2088	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2089	help
2090	  Select this option if you want to build a 64-bit kernel.
2091
2092endchoice
2093
2094config KVM_GUEST
2095	bool "KVM Guest Kernel"
2096	depends on BROKEN_ON_SMP
2097	help
2098	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2099	  mode.
2100
2101config KVM_GUEST_TIMER_FREQ
2102	int "Count/Compare Timer Frequency (MHz)"
2103	depends on KVM_GUEST
2104	default 100
2105	help
2106	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2107	  emulation when determining guest CPU Frequency. Instead, the guest's
2108	  timer frequency is specified directly.
2109
2110config MIPS_VA_BITS_48
2111	bool "48 bits virtual memory"
2112	depends on 64BIT
2113	help
2114	  Support a maximum at least 48 bits of application virtual
2115	  memory.  Default is 40 bits or less, depending on the CPU.
2116	  For page sizes 16k and above, this option results in a small
2117	  memory overhead for page tables.  For 4k page size, a fourth
2118	  level of page tables is added which imposes both a memory
2119	  overhead as well as slower TLB fault handling.
2120
2121	  If unsure, say N.
2122
2123choice
2124	prompt "Kernel page size"
2125	default PAGE_SIZE_4KB
2126
2127config PAGE_SIZE_4KB
2128	bool "4kB"
2129	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2130	help
2131	 This option select the standard 4kB Linux page size.  On some
2132	 R3000-family processors this is the only available page size.  Using
2133	 4kB page size will minimize memory consumption and is therefore
2134	 recommended for low memory systems.
2135
2136config PAGE_SIZE_8KB
2137	bool "8kB"
2138	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2139	depends on !MIPS_VA_BITS_48
2140	help
2141	  Using 8kB page size will result in higher performance kernel at
2142	  the price of higher memory consumption.  This option is available
2143	  only on R8000 and cnMIPS processors.  Note that you will need a
2144	  suitable Linux distribution to support this.
2145
2146config PAGE_SIZE_16KB
2147	bool "16kB"
2148	depends on !CPU_R3000 && !CPU_TX39XX
2149	help
2150	  Using 16kB page size will result in higher performance kernel at
2151	  the price of higher memory consumption.  This option is available on
2152	  all non-R3000 family processors.  Note that you will need a suitable
2153	  Linux distribution to support this.
2154
2155config PAGE_SIZE_32KB
2156	bool "32kB"
2157	depends on CPU_CAVIUM_OCTEON
2158	depends on !MIPS_VA_BITS_48
2159	help
2160	  Using 32kB page size will result in higher performance kernel at
2161	  the price of higher memory consumption.  This option is available
2162	  only on cnMIPS cores.  Note that you will need a suitable Linux
2163	  distribution to support this.
2164
2165config PAGE_SIZE_64KB
2166	bool "64kB"
2167	depends on !CPU_R3000 && !CPU_TX39XX
2168	help
2169	  Using 64kB page size will result in higher performance kernel at
2170	  the price of higher memory consumption.  This option is available on
2171	  all non-R3000 family processor.  Not that at the time of this
2172	  writing this option is still high experimental.
2173
2174endchoice
2175
2176config FORCE_MAX_ZONEORDER
2177	int "Maximum zone order"
2178	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2179	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2180	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2181	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2182	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2183	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2184	range 11 64
2185	default "11"
2186	help
2187	  The kernel memory allocator divides physically contiguous memory
2188	  blocks into "zones", where each zone is a power of two number of
2189	  pages.  This option selects the largest power of two that the kernel
2190	  keeps in the memory allocator.  If you need to allocate very large
2191	  blocks of physically contiguous memory, then you may need to
2192	  increase this value.
2193
2194	  This config option is actually maximum order plus one. For example,
2195	  a value of 11 means that the largest free memory block is 2^10 pages.
2196
2197	  The page size is not necessarily 4KB.  Keep this in mind
2198	  when choosing a value for this option.
2199
2200config BOARD_SCACHE
2201	bool
2202
2203config IP22_CPU_SCACHE
2204	bool
2205	select BOARD_SCACHE
2206
2207#
2208# Support for a MIPS32 / MIPS64 style S-caches
2209#
2210config MIPS_CPU_SCACHE
2211	bool
2212	select BOARD_SCACHE
2213
2214config R5000_CPU_SCACHE
2215	bool
2216	select BOARD_SCACHE
2217
2218config RM7000_CPU_SCACHE
2219	bool
2220	select BOARD_SCACHE
2221
2222config SIBYTE_DMA_PAGEOPS
2223	bool "Use DMA to clear/copy pages"
2224	depends on CPU_SB1
2225	help
2226	  Instead of using the CPU to zero and copy pages, use a Data Mover
2227	  channel.  These DMA channels are otherwise unused by the standard
2228	  SiByte Linux port.  Seems to give a small performance benefit.
2229
2230config CPU_HAS_PREFETCH
2231	bool
2232
2233config CPU_GENERIC_DUMP_TLB
2234	bool
2235	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2236
2237config CPU_R4K_FPU
2238	bool
2239	default y if !(CPU_R3000 || CPU_TX39XX)
2240
2241config CPU_R4K_CACHE_TLB
2242	bool
2243	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2244
2245config MIPS_MT_SMP
2246	bool "MIPS MT SMP support (1 TC on each available VPE)"
2247	default y
2248	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2249	select CPU_MIPSR2_IRQ_VI
2250	select CPU_MIPSR2_IRQ_EI
2251	select SYNC_R4K
2252	select MIPS_MT
2253	select SMP
2254	select SMP_UP
2255	select SYS_SUPPORTS_SMP
2256	select SYS_SUPPORTS_SCHED_SMT
2257	select MIPS_PERF_SHARED_TC_COUNTERS
2258	help
2259	  This is a kernel model which is known as SMVP. This is supported
2260	  on cores with the MT ASE and uses the available VPEs to implement
2261	  virtual processors which supports SMP. This is equivalent to the
2262	  Intel Hyperthreading feature. For further information go to
2263	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2264
2265config MIPS_MT
2266	bool
2267
2268config SCHED_SMT
2269	bool "SMT (multithreading) scheduler support"
2270	depends on SYS_SUPPORTS_SCHED_SMT
2271	default n
2272	help
2273	  SMT scheduler support improves the CPU scheduler's decision making
2274	  when dealing with MIPS MT enabled cores at a cost of slightly
2275	  increased overhead in some places. If unsure say N here.
2276
2277config SYS_SUPPORTS_SCHED_SMT
2278	bool
2279
2280config SYS_SUPPORTS_MULTITHREADING
2281	bool
2282
2283config MIPS_MT_FPAFF
2284	bool "Dynamic FPU affinity for FP-intensive threads"
2285	default y
2286	depends on MIPS_MT_SMP
2287
2288config MIPSR2_TO_R6_EMULATOR
2289	bool "MIPS R2-to-R6 emulator"
2290	depends on CPU_MIPSR6
2291	default y
2292	help
2293	  Choose this option if you want to run non-R6 MIPS userland code.
2294	  Even if you say 'Y' here, the emulator will still be disabled by
2295	  default. You can enable it using the 'mipsr2emu' kernel option.
2296	  The only reason this is a build-time option is to save ~14K from the
2297	  final kernel image.
2298
2299config SYS_SUPPORTS_VPE_LOADER
2300	bool
2301	depends on SYS_SUPPORTS_MULTITHREADING
2302	help
2303	  Indicates that the platform supports the VPE loader, and provides
2304	  physical_memsize.
2305
2306config MIPS_VPE_LOADER
2307	bool "VPE loader support."
2308	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2309	select CPU_MIPSR2_IRQ_VI
2310	select CPU_MIPSR2_IRQ_EI
2311	select MIPS_MT
2312	help
2313	  Includes a loader for loading an elf relocatable object
2314	  onto another VPE and running it.
2315
2316config MIPS_VPE_LOADER_CMP
2317	bool
2318	default "y"
2319	depends on MIPS_VPE_LOADER && MIPS_CMP
2320
2321config MIPS_VPE_LOADER_MT
2322	bool
2323	default "y"
2324	depends on MIPS_VPE_LOADER && !MIPS_CMP
2325
2326config MIPS_VPE_LOADER_TOM
2327	bool "Load VPE program into memory hidden from linux"
2328	depends on MIPS_VPE_LOADER
2329	default y
2330	help
2331	  The loader can use memory that is present but has been hidden from
2332	  Linux using the kernel command line option "mem=xxMB". It's up to
2333	  you to ensure the amount you put in the option and the space your
2334	  program requires is less or equal to the amount physically present.
2335
2336config MIPS_VPE_APSP_API
2337	bool "Enable support for AP/SP API (RTLX)"
2338	depends on MIPS_VPE_LOADER
2339
2340config MIPS_VPE_APSP_API_CMP
2341	bool
2342	default "y"
2343	depends on MIPS_VPE_APSP_API && MIPS_CMP
2344
2345config MIPS_VPE_APSP_API_MT
2346	bool
2347	default "y"
2348	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2349
2350config MIPS_CMP
2351	bool "MIPS CMP framework support (DEPRECATED)"
2352	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2353	select SMP
2354	select SYNC_R4K
2355	select SYS_SUPPORTS_SMP
2356	select WEAK_ORDERING
2357	default n
2358	help
2359	  Select this if you are using a bootloader which implements the "CMP
2360	  framework" protocol (ie. YAMON) and want your kernel to make use of
2361	  its ability to start secondary CPUs.
2362
2363	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2364	  instead of this.
2365
2366config MIPS_CPS
2367	bool "MIPS Coherent Processing System support"
2368	depends on SYS_SUPPORTS_MIPS_CPS
2369	select MIPS_CM
2370	select MIPS_CPS_PM if HOTPLUG_CPU
2371	select SMP
2372	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2373	select SYS_SUPPORTS_HOTPLUG_CPU
2374	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2375	select SYS_SUPPORTS_SMP
2376	select WEAK_ORDERING
2377	help
2378	  Select this if you wish to run an SMP kernel across multiple cores
2379	  within a MIPS Coherent Processing System. When this option is
2380	  enabled the kernel will probe for other cores and boot them with
2381	  no external assistance. It is safe to enable this when hardware
2382	  support is unavailable.
2383
2384config MIPS_CPS_PM
2385	depends on MIPS_CPS
2386	bool
2387
2388config MIPS_CM
2389	bool
2390	select MIPS_CPC
2391
2392config MIPS_CPC
2393	bool
2394
2395config SB1_PASS_2_WORKAROUNDS
2396	bool
2397	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2398	default y
2399
2400config SB1_PASS_2_1_WORKAROUNDS
2401	bool
2402	depends on CPU_SB1 && CPU_SB1_PASS_2
2403	default y
2404
2405
2406choice
2407	prompt "SmartMIPS or microMIPS ASE support"
2408
2409config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2410	bool "None"
2411	help
2412	  Select this if you want neither microMIPS nor SmartMIPS support
2413
2414config CPU_HAS_SMARTMIPS
2415	depends on SYS_SUPPORTS_SMARTMIPS
2416	bool "SmartMIPS"
2417	help
2418	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2419	  increased security at both hardware and software level for
2420	  smartcards.  Enabling this option will allow proper use of the
2421	  SmartMIPS instructions by Linux applications.  However a kernel with
2422	  this option will not work on a MIPS core without SmartMIPS core.  If
2423	  you don't know you probably don't have SmartMIPS and should say N
2424	  here.
2425
2426config CPU_MICROMIPS
2427	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2428	bool "microMIPS"
2429	help
2430	  When this option is enabled the kernel will be built using the
2431	  microMIPS ISA
2432
2433endchoice
2434
2435config CPU_HAS_MSA
2436	bool "Support for the MIPS SIMD Architecture"
2437	depends on CPU_SUPPORTS_MSA
2438	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2439	help
2440	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2441	  and a set of SIMD instructions to operate on them. When this option
2442	  is enabled the kernel will support allocating & switching MSA
2443	  vector register contexts. If you know that your kernel will only be
2444	  running on CPUs which do not support MSA or that your userland will
2445	  not be making use of it then you may wish to say N here to reduce
2446	  the size & complexity of your kernel.
2447
2448	  If unsure, say Y.
2449
2450config CPU_HAS_WB
2451	bool
2452
2453config XKS01
2454	bool
2455
2456config CPU_HAS_RIXI
2457	bool
2458
2459#
2460# Vectored interrupt mode is an R2 feature
2461#
2462config CPU_MIPSR2_IRQ_VI
2463	bool
2464
2465#
2466# Extended interrupt mode is an R2 feature
2467#
2468config CPU_MIPSR2_IRQ_EI
2469	bool
2470
2471config CPU_HAS_SYNC
2472	bool
2473	depends on !CPU_R3000
2474	default y
2475
2476#
2477# CPU non-features
2478#
2479config CPU_DADDI_WORKAROUNDS
2480	bool
2481
2482config CPU_R4000_WORKAROUNDS
2483	bool
2484	select CPU_R4400_WORKAROUNDS
2485
2486config CPU_R4400_WORKAROUNDS
2487	bool
2488
2489config MIPS_ASID_SHIFT
2490	int
2491	default 6 if CPU_R3000 || CPU_TX39XX
2492	default 4 if CPU_R8000
2493	default 0
2494
2495config MIPS_ASID_BITS
2496	int
2497	default 0 if MIPS_ASID_BITS_VARIABLE
2498	default 6 if CPU_R3000 || CPU_TX39XX
2499	default 8
2500
2501config MIPS_ASID_BITS_VARIABLE
2502	bool
2503
2504config MIPS_CRC_SUPPORT
2505	bool
2506
2507#
2508# - Highmem only makes sense for the 32-bit kernel.
2509# - The current highmem code will only work properly on physically indexed
2510#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2511#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2512#   moment we protect the user and offer the highmem option only on machines
2513#   where it's known to be safe.  This will not offer highmem on a few systems
2514#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2515#   indexed CPUs but we're playing safe.
2516# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2517#   know they might have memory configurations that could make use of highmem
2518#   support.
2519#
2520config HIGHMEM
2521	bool "High Memory Support"
2522	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2523
2524config CPU_SUPPORTS_HIGHMEM
2525	bool
2526
2527config SYS_SUPPORTS_HIGHMEM
2528	bool
2529
2530config SYS_SUPPORTS_SMARTMIPS
2531	bool
2532
2533config SYS_SUPPORTS_MICROMIPS
2534	bool
2535
2536config SYS_SUPPORTS_MIPS16
2537	bool
2538	help
2539	  This option must be set if a kernel might be executed on a MIPS16-
2540	  enabled CPU even if MIPS16 is not actually being used.  In other
2541	  words, it makes the kernel MIPS16-tolerant.
2542
2543config CPU_SUPPORTS_MSA
2544	bool
2545
2546config ARCH_FLATMEM_ENABLE
2547	def_bool y
2548	depends on !NUMA && !CPU_LOONGSON2
2549
2550config ARCH_DISCONTIGMEM_ENABLE
2551	bool
2552	default y if SGI_IP27
2553	help
2554	  Say Y to support efficient handling of discontiguous physical memory,
2555	  for architectures which are either NUMA (Non-Uniform Memory Access)
2556	  or have huge holes in the physical address space for other reasons.
2557	  See <file:Documentation/vm/numa.rst> for more.
2558
2559config ARCH_SPARSEMEM_ENABLE
2560	bool
2561	select SPARSEMEM_STATIC
2562
2563config NUMA
2564	bool "NUMA Support"
2565	depends on SYS_SUPPORTS_NUMA
2566	help
2567	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2568	  Access).  This option improves performance on systems with more
2569	  than two nodes; on two node systems it is generally better to
2570	  leave it disabled; on single node systems disable this option
2571	  disabled.
2572
2573config SYS_SUPPORTS_NUMA
2574	bool
2575
2576config RELOCATABLE
2577	bool "Relocatable kernel"
2578	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2579	help
2580	  This builds a kernel image that retains relocation information
2581	  so it can be loaded someplace besides the default 1MB.
2582	  The relocations make the kernel binary about 15% larger,
2583	  but are discarded at runtime
2584
2585config RELOCATION_TABLE_SIZE
2586	hex "Relocation table size"
2587	depends on RELOCATABLE
2588	range 0x0 0x01000000
2589	default "0x00100000"
2590	---help---
2591	  A table of relocation data will be appended to the kernel binary
2592	  and parsed at boot to fix up the relocated kernel.
2593
2594	  This option allows the amount of space reserved for the table to be
2595	  adjusted, although the default of 1Mb should be ok in most cases.
2596
2597	  The build will fail and a valid size suggested if this is too small.
2598
2599	  If unsure, leave at the default value.
2600
2601config RANDOMIZE_BASE
2602	bool "Randomize the address of the kernel image"
2603	depends on RELOCATABLE
2604	---help---
2605	   Randomizes the physical and virtual address at which the
2606	   kernel image is loaded, as a security feature that
2607	   deters exploit attempts relying on knowledge of the location
2608	   of kernel internals.
2609
2610	   Entropy is generated using any coprocessor 0 registers available.
2611
2612	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2613
2614	   If unsure, say N.
2615
2616config RANDOMIZE_BASE_MAX_OFFSET
2617	hex "Maximum kASLR offset" if EXPERT
2618	depends on RANDOMIZE_BASE
2619	range 0x0 0x40000000 if EVA || 64BIT
2620	range 0x0 0x08000000
2621	default "0x01000000"
2622	---help---
2623	  When kASLR is active, this provides the maximum offset that will
2624	  be applied to the kernel image. It should be set according to the
2625	  amount of physical RAM available in the target system minus
2626	  PHYSICAL_START and must be a power of 2.
2627
2628	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2629	  EVA or 64-bit. The default is 16Mb.
2630
2631config NODES_SHIFT
2632	int
2633	default "6"
2634	depends on NEED_MULTIPLE_NODES
2635
2636config HW_PERF_EVENTS
2637	bool "Enable hardware performance counter support for perf events"
2638	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2639	default y
2640	help
2641	  Enable hardware performance counter support for perf events. If
2642	  disabled, perf events will use software events only.
2643
2644source "mm/Kconfig"
2645
2646config SMP
2647	bool "Multi-Processing support"
2648	depends on SYS_SUPPORTS_SMP
2649	help
2650	  This enables support for systems with more than one CPU. If you have
2651	  a system with only one CPU, say N. If you have a system with more
2652	  than one CPU, say Y.
2653
2654	  If you say N here, the kernel will run on uni- and multiprocessor
2655	  machines, but will use only one CPU of a multiprocessor machine. If
2656	  you say Y here, the kernel will run on many, but not all,
2657	  uniprocessor machines. On a uniprocessor machine, the kernel
2658	  will run faster if you say N here.
2659
2660	  People using multiprocessor machines who say Y here should also say
2661	  Y to "Enhanced Real Time Clock Support", below.
2662
2663	  See also the SMP-HOWTO available at
2664	  <http://www.tldp.org/docs.html#howto>.
2665
2666	  If you don't know what to do here, say N.
2667
2668config HOTPLUG_CPU
2669	bool "Support for hot-pluggable CPUs"
2670	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2671	help
2672	  Say Y here to allow turning CPUs off and on. CPUs can be
2673	  controlled through /sys/devices/system/cpu.
2674	  (Note: power management support will enable this option
2675	    automatically on SMP systems. )
2676	  Say N if you want to disable CPU hotplug.
2677
2678config SMP_UP
2679	bool
2680
2681config SYS_SUPPORTS_MIPS_CMP
2682	bool
2683
2684config SYS_SUPPORTS_MIPS_CPS
2685	bool
2686
2687config SYS_SUPPORTS_SMP
2688	bool
2689
2690config NR_CPUS_DEFAULT_4
2691	bool
2692
2693config NR_CPUS_DEFAULT_8
2694	bool
2695
2696config NR_CPUS_DEFAULT_16
2697	bool
2698
2699config NR_CPUS_DEFAULT_32
2700	bool
2701
2702config NR_CPUS_DEFAULT_64
2703	bool
2704
2705config NR_CPUS
2706	int "Maximum number of CPUs (2-256)"
2707	range 2 256
2708	depends on SMP
2709	default "4" if NR_CPUS_DEFAULT_4
2710	default "8" if NR_CPUS_DEFAULT_8
2711	default "16" if NR_CPUS_DEFAULT_16
2712	default "32" if NR_CPUS_DEFAULT_32
2713	default "64" if NR_CPUS_DEFAULT_64
2714	help
2715	  This allows you to specify the maximum number of CPUs which this
2716	  kernel will support.  The maximum supported value is 32 for 32-bit
2717	  kernel and 64 for 64-bit kernels; the minimum value which makes
2718	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2719	  and 2 for all others.
2720
2721	  This is purely to save memory - each supported CPU adds
2722	  approximately eight kilobytes to the kernel image.  For best
2723	  performance should round up your number of processors to the next
2724	  power of two.
2725
2726config MIPS_PERF_SHARED_TC_COUNTERS
2727	bool
2728
2729config MIPS_NR_CPU_NR_MAP_1024
2730	bool
2731
2732config MIPS_NR_CPU_NR_MAP
2733	int
2734	depends on SMP
2735	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2736	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2737
2738#
2739# Timer Interrupt Frequency Configuration
2740#
2741
2742choice
2743	prompt "Timer frequency"
2744	default HZ_250
2745	help
2746	 Allows the configuration of the timer frequency.
2747
2748	config HZ_24
2749		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2750
2751	config HZ_48
2752		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2753
2754	config HZ_100
2755		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2756
2757	config HZ_128
2758		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2759
2760	config HZ_250
2761		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2762
2763	config HZ_256
2764		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2765
2766	config HZ_1000
2767		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2768
2769	config HZ_1024
2770		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2771
2772endchoice
2773
2774config SYS_SUPPORTS_24HZ
2775	bool
2776
2777config SYS_SUPPORTS_48HZ
2778	bool
2779
2780config SYS_SUPPORTS_100HZ
2781	bool
2782
2783config SYS_SUPPORTS_128HZ
2784	bool
2785
2786config SYS_SUPPORTS_250HZ
2787	bool
2788
2789config SYS_SUPPORTS_256HZ
2790	bool
2791
2792config SYS_SUPPORTS_1000HZ
2793	bool
2794
2795config SYS_SUPPORTS_1024HZ
2796	bool
2797
2798config SYS_SUPPORTS_ARBIT_HZ
2799	bool
2800	default y if !SYS_SUPPORTS_24HZ && \
2801		     !SYS_SUPPORTS_48HZ && \
2802		     !SYS_SUPPORTS_100HZ && \
2803		     !SYS_SUPPORTS_128HZ && \
2804		     !SYS_SUPPORTS_250HZ && \
2805		     !SYS_SUPPORTS_256HZ && \
2806		     !SYS_SUPPORTS_1000HZ && \
2807		     !SYS_SUPPORTS_1024HZ
2808
2809config HZ
2810	int
2811	default 24 if HZ_24
2812	default 48 if HZ_48
2813	default 100 if HZ_100
2814	default 128 if HZ_128
2815	default 250 if HZ_250
2816	default 256 if HZ_256
2817	default 1000 if HZ_1000
2818	default 1024 if HZ_1024
2819
2820config SCHED_HRTICK
2821	def_bool HIGH_RES_TIMERS
2822
2823source "kernel/Kconfig.preempt"
2824
2825config KEXEC
2826	bool "Kexec system call"
2827	select KEXEC_CORE
2828	help
2829	  kexec is a system call that implements the ability to shutdown your
2830	  current kernel, and to start another kernel.  It is like a reboot
2831	  but it is independent of the system firmware.   And like a reboot
2832	  you can start any kernel with it, not just Linux.
2833
2834	  The name comes from the similarity to the exec system call.
2835
2836	  It is an ongoing process to be certain the hardware in a machine
2837	  is properly shutdown, so do not be surprised if this code does not
2838	  initially work for you.  As of this writing the exact hardware
2839	  interface is strongly in flux, so no good recommendation can be
2840	  made.
2841
2842config CRASH_DUMP
2843	bool "Kernel crash dumps"
2844	help
2845	  Generate crash dump after being started by kexec.
2846	  This should be normally only set in special crash dump kernels
2847	  which are loaded in the main kernel with kexec-tools into
2848	  a specially reserved region and then later executed after
2849	  a crash by kdump/kexec. The crash dump kernel must be compiled
2850	  to a memory address not used by the main kernel or firmware using
2851	  PHYSICAL_START.
2852
2853config PHYSICAL_START
2854	hex "Physical address where the kernel is loaded"
2855	default "0xffffffff84000000"
2856	depends on CRASH_DUMP
2857	help
2858	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2859	  If you plan to use kernel for capturing the crash dump change
2860	  this value to start of the reserved region (the "X" value as
2861	  specified in the "crashkernel=YM@XM" command line boot parameter
2862	  passed to the panic-ed kernel).
2863
2864config SECCOMP
2865	bool "Enable seccomp to safely compute untrusted bytecode"
2866	depends on PROC_FS
2867	default y
2868	help
2869	  This kernel feature is useful for number crunching applications
2870	  that may need to compute untrusted bytecode during their
2871	  execution. By using pipes or other transports made available to
2872	  the process as file descriptors supporting the read/write
2873	  syscalls, it's possible to isolate those applications in
2874	  their own address space using seccomp. Once seccomp is
2875	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2876	  and the task is only allowed to execute a few safe syscalls
2877	  defined by each seccomp mode.
2878
2879	  If unsure, say Y. Only embedded should say N here.
2880
2881config MIPS_O32_FP64_SUPPORT
2882	bool "Support for O32 binaries using 64-bit FP"
2883	depends on 32BIT || MIPS32_O32
2884	help
2885	  When this is enabled, the kernel will support use of 64-bit floating
2886	  point registers with binaries using the O32 ABI along with the
2887	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2888	  32-bit MIPS systems this support is at the cost of increasing the
2889	  size and complexity of the compiled FPU emulator. Thus if you are
2890	  running a MIPS32 system and know that none of your userland binaries
2891	  will require 64-bit floating point, you may wish to reduce the size
2892	  of your kernel & potentially improve FP emulation performance by
2893	  saying N here.
2894
2895	  Although binutils currently supports use of this flag the details
2896	  concerning its effect upon the O32 ABI in userland are still being
2897	  worked on. In order to avoid userland becoming dependant upon current
2898	  behaviour before the details have been finalised, this option should
2899	  be considered experimental and only enabled by those working upon
2900	  said details.
2901
2902	  If unsure, say N.
2903
2904config USE_OF
2905	bool
2906	select OF
2907	select OF_EARLY_FLATTREE
2908	select IRQ_DOMAIN
2909
2910config BUILTIN_DTB
2911	bool
2912
2913choice
2914	prompt "Kernel appended dtb support" if USE_OF
2915	default MIPS_NO_APPENDED_DTB
2916
2917	config MIPS_NO_APPENDED_DTB
2918		bool "None"
2919		help
2920		  Do not enable appended dtb support.
2921
2922	config MIPS_ELF_APPENDED_DTB
2923		bool "vmlinux"
2924		help
2925		  With this option, the boot code will look for a device tree binary
2926		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2927		  it is empty and the DTB can be appended using binutils command
2928		  objcopy:
2929
2930		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2931
2932		  This is meant as a backward compatiblity convenience for those
2933		  systems with a bootloader that can't be upgraded to accommodate
2934		  the documented boot protocol using a device tree.
2935
2936	config MIPS_RAW_APPENDED_DTB
2937		bool "vmlinux.bin or vmlinuz.bin"
2938		help
2939		  With this option, the boot code will look for a device tree binary
2940		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2941		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2942
2943		  This is meant as a backward compatibility convenience for those
2944		  systems with a bootloader that can't be upgraded to accommodate
2945		  the documented boot protocol using a device tree.
2946
2947		  Beware that there is very little in terms of protection against
2948		  this option being confused by leftover garbage in memory that might
2949		  look like a DTB header after a reboot if no actual DTB is appended
2950		  to vmlinux.bin.  Do not leave this option active in a production kernel
2951		  if you don't intend to always append a DTB.
2952endchoice
2953
2954choice
2955	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2956	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2957					 !MIPS_MALTA && \
2958					 !CAVIUM_OCTEON_SOC
2959	default MIPS_CMDLINE_FROM_BOOTLOADER
2960
2961	config MIPS_CMDLINE_FROM_DTB
2962		depends on USE_OF
2963		bool "Dtb kernel arguments if available"
2964
2965	config MIPS_CMDLINE_DTB_EXTEND
2966		depends on USE_OF
2967		bool "Extend dtb kernel arguments with bootloader arguments"
2968
2969	config MIPS_CMDLINE_FROM_BOOTLOADER
2970		bool "Bootloader kernel arguments if available"
2971
2972	config MIPS_CMDLINE_BUILTIN_EXTEND
2973		depends on CMDLINE_BOOL
2974		bool "Extend builtin kernel arguments with bootloader arguments"
2975endchoice
2976
2977endmenu
2978
2979config LOCKDEP_SUPPORT
2980	bool
2981	default y
2982
2983config STACKTRACE_SUPPORT
2984	bool
2985	default y
2986
2987config HAVE_LATENCYTOP_SUPPORT
2988	bool
2989	default y
2990
2991config PGTABLE_LEVELS
2992	int
2993	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
2994	default 3 if 64BIT && !PAGE_SIZE_64KB
2995	default 2
2996
2997source "init/Kconfig"
2998
2999source "kernel/Kconfig.freezer"
3000
3001menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3002
3003config HW_HAS_EISA
3004	bool
3005config HW_HAS_PCI
3006	bool
3007
3008config PCI
3009	bool "Support for PCI controller"
3010	depends on HW_HAS_PCI
3011	select PCI_DOMAINS
3012	help
3013	  Find out whether you have a PCI motherboard. PCI is the name of a
3014	  bus system, i.e. the way the CPU talks to the other stuff inside
3015	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3016	  say Y, otherwise N.
3017
3018config HT_PCI
3019	bool "Support for HT-linked PCI"
3020	default y
3021	depends on CPU_LOONGSON3
3022	select PCI
3023	select PCI_DOMAINS
3024	help
3025	  Loongson family machines use Hyper-Transport bus for inter-core
3026	  connection and device connection. The PCI bus is a subordinate
3027	  linked at HT. Choose Y for Loongson-3 based machines.
3028
3029config PCI_DOMAINS
3030	bool
3031
3032config PCI_DOMAINS_GENERIC
3033	bool
3034
3035config PCI_DRIVERS_GENERIC
3036	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3037	bool
3038
3039config PCI_DRIVERS_LEGACY
3040	def_bool !PCI_DRIVERS_GENERIC
3041	select NO_GENERIC_PCI_IOPORT_MAP
3042
3043source "drivers/pci/Kconfig"
3044
3045#
3046# ISA support is now enabled via select.  Too many systems still have the one
3047# or other ISA chip on the board that users don't know about so don't expect
3048# users to choose the right thing ...
3049#
3050config ISA
3051	bool
3052
3053config EISA
3054	bool "EISA support"
3055	depends on HW_HAS_EISA
3056	select ISA
3057	select GENERIC_ISA_DMA
3058	---help---
3059	  The Extended Industry Standard Architecture (EISA) bus was
3060	  developed as an open alternative to the IBM MicroChannel bus.
3061
3062	  The EISA bus provided some of the features of the IBM MicroChannel
3063	  bus while maintaining backward compatibility with cards made for
3064	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3065	  1995 when it was made obsolete by the PCI bus.
3066
3067	  Say Y here if you are building a kernel for an EISA-based machine.
3068
3069	  Otherwise, say N.
3070
3071source "drivers/eisa/Kconfig"
3072
3073config TC
3074	bool "TURBOchannel support"
3075	depends on MACH_DECSTATION
3076	help
3077	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3078	  processors.  TURBOchannel programming specifications are available
3079	  at:
3080	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3081	  and:
3082	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3083	  Linux driver support status is documented at:
3084	  <http://www.linux-mips.org/wiki/DECstation>
3085
3086config MMU
3087	bool
3088	default y
3089
3090config ARCH_MMAP_RND_BITS_MIN
3091	default 12 if 64BIT
3092	default 8
3093
3094config ARCH_MMAP_RND_BITS_MAX
3095	default 18 if 64BIT
3096	default 15
3097
3098config ARCH_MMAP_RND_COMPAT_BITS_MIN
3099       default 8
3100
3101config ARCH_MMAP_RND_COMPAT_BITS_MAX
3102       default 15
3103
3104config I8253
3105	bool
3106	select CLKSRC_I8253
3107	select CLKEVT_I8253
3108	select MIPS_EXTERNAL_TIMER
3109
3110config ZONE_DMA
3111	bool
3112
3113config ZONE_DMA32
3114	bool
3115
3116source "drivers/pcmcia/Kconfig"
3117
3118config RAPIDIO
3119	tristate "RapidIO support"
3120	depends on PCI
3121	default n
3122	help
3123	  If you say Y here, the kernel will include drivers and
3124	  infrastructure code to support RapidIO interconnect devices.
3125
3126source "drivers/rapidio/Kconfig"
3127
3128endmenu
3129
3130menu "Executable file formats"
3131
3132source "fs/Kconfig.binfmt"
3133
3134config TRAD_SIGNALS
3135	bool
3136
3137config MIPS32_COMPAT
3138	bool
3139
3140config COMPAT
3141	bool
3142
3143config SYSVIPC_COMPAT
3144	bool
3145
3146config MIPS32_O32
3147	bool "Kernel support for o32 binaries"
3148	depends on 64BIT
3149	select ARCH_WANT_OLD_COMPAT_IPC
3150	select COMPAT
3151	select MIPS32_COMPAT
3152	select SYSVIPC_COMPAT if SYSVIPC
3153	help
3154	  Select this option if you want to run o32 binaries.  These are pure
3155	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3156	  existing binaries are in this format.
3157
3158	  If unsure, say Y.
3159
3160config MIPS32_N32
3161	bool "Kernel support for n32 binaries"
3162	depends on 64BIT
3163	select COMPAT
3164	select MIPS32_COMPAT
3165	select SYSVIPC_COMPAT if SYSVIPC
3166	help
3167	  Select this option if you want to run n32 binaries.  These are
3168	  64-bit binaries using 32-bit quantities for addressing and certain
3169	  data that would normally be 64-bit.  They are used in special
3170	  cases.
3171
3172	  If unsure, say N.
3173
3174config BINFMT_ELF32
3175	bool
3176	default y if MIPS32_O32 || MIPS32_N32
3177	select ELFCORE
3178
3179endmenu
3180
3181menu "Power management options"
3182
3183config ARCH_HIBERNATION_POSSIBLE
3184	def_bool y
3185	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3186
3187config ARCH_SUSPEND_POSSIBLE
3188	def_bool y
3189	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3190
3191source "kernel/power/Kconfig"
3192
3193endmenu
3194
3195config MIPS_EXTERNAL_TIMER
3196	bool
3197
3198menu "CPU Power Management"
3199
3200if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3201source "drivers/cpufreq/Kconfig"
3202endif
3203
3204source "drivers/cpuidle/Kconfig"
3205
3206endmenu
3207
3208source "net/Kconfig"
3209
3210source "drivers/Kconfig"
3211
3212source "drivers/firmware/Kconfig"
3213
3214source "fs/Kconfig"
3215
3216source "arch/mips/Kconfig.debug"
3217
3218source "security/Kconfig"
3219
3220source "crypto/Kconfig"
3221
3222source "lib/Kconfig"
3223
3224source "arch/mips/kvm/Kconfig"
3225