xref: /openbmc/linux/arch/mips/Kconfig (revision b240b419db5d624ce7a5a397d6f62a1a686009ec)
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_PCI_IOMAP
26	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
27	select GENERIC_SMP_IDLE_THREAD
28	select GENERIC_TIME_VSYSCALL
29	select HANDLE_DOMAIN_IRQ
30	select HAVE_ARCH_JUMP_LABEL
31	select HAVE_ARCH_KGDB
32	select HAVE_ARCH_MMAP_RND_BITS if MMU
33	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
34	select HAVE_ARCH_SECCOMP_FILTER
35	select HAVE_ARCH_TRACEHOOK
36	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
37	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
38	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
39	select HAVE_CC_STACKPROTECTOR
40	select HAVE_CONTEXT_TRACKING
41	select HAVE_COPY_THREAD_TLS
42	select HAVE_C_RECORDMCOUNT
43	select HAVE_DEBUG_KMEMLEAK
44	select HAVE_DEBUG_STACKOVERFLOW
45	select HAVE_DMA_API_DEBUG
46	select HAVE_DMA_CONTIGUOUS
47	select HAVE_DYNAMIC_FTRACE
48	select HAVE_EXIT_THREAD
49	select HAVE_FTRACE_MCOUNT_RECORD
50	select HAVE_FUNCTION_GRAPH_TRACER
51	select HAVE_FUNCTION_TRACER
52	select HAVE_GENERIC_DMA_COHERENT
53	select HAVE_IDE
54	select HAVE_IRQ_EXIT_ON_IRQ_STACK
55	select HAVE_IRQ_TIME_ACCOUNTING
56	select HAVE_KPROBES
57	select HAVE_KRETPROBES
58	select HAVE_MEMBLOCK
59	select HAVE_MEMBLOCK_NODE_MAP
60	select HAVE_MOD_ARCH_SPECIFIC
61	select HAVE_NMI
62	select HAVE_OPROFILE
63	select HAVE_PERF_EVENTS
64	select HAVE_REGS_AND_STACK_ACCESS_API
65	select HAVE_SYSCALL_TRACEPOINTS
66	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
67	select IRQ_FORCED_THREADING
68	select MODULES_USE_ELF_RELA if MODULES && 64BIT
69	select MODULES_USE_ELF_REL if MODULES
70	select PERF_USE_VMALLOC
71	select RTC_LIB if !MACH_LOONGSON64
72	select SYSCTL_EXCEPTION_TRACE
73	select VIRT_TO_BUS
74
75menu "Machine selection"
76
77choice
78	prompt "System type"
79	default MIPS_GENERIC
80
81config MIPS_GENERIC
82	bool "Generic board-agnostic MIPS kernel"
83	select BOOT_RAW
84	select BUILTIN_DTB
85	select CEVT_R4K
86	select CLKSRC_MIPS_GIC
87	select COMMON_CLK
88	select CPU_MIPSR2_IRQ_VI
89	select CPU_MIPSR2_IRQ_EI
90	select CSRC_R4K
91	select DMA_PERDEV_COHERENT
92	select HW_HAS_PCI
93	select IRQ_MIPS_CPU
94	select LIBFDT
95	select MIPS_CPU_SCACHE
96	select MIPS_GIC
97	select MIPS_L1_CACHE_SHIFT_7
98	select NO_EXCEPT_FILL
99	select PCI_DRIVERS_GENERIC
100	select PINCTRL
101	select SMP_UP if SMP
102	select SWAP_IO_SPACE
103	select SYS_HAS_CPU_MIPS32_R1
104	select SYS_HAS_CPU_MIPS32_R2
105	select SYS_HAS_CPU_MIPS32_R6
106	select SYS_HAS_CPU_MIPS64_R1
107	select SYS_HAS_CPU_MIPS64_R2
108	select SYS_HAS_CPU_MIPS64_R6
109	select SYS_SUPPORTS_32BIT_KERNEL
110	select SYS_SUPPORTS_64BIT_KERNEL
111	select SYS_SUPPORTS_BIG_ENDIAN
112	select SYS_SUPPORTS_HIGHMEM
113	select SYS_SUPPORTS_LITTLE_ENDIAN
114	select SYS_SUPPORTS_MICROMIPS
115	select SYS_SUPPORTS_MIPS_CPS
116	select SYS_SUPPORTS_MIPS16
117	select SYS_SUPPORTS_MULTITHREADING
118	select SYS_SUPPORTS_RELOCATABLE
119	select SYS_SUPPORTS_SMARTMIPS
120	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
121	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
122	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
123	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
124	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
125	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
126	select USE_OF
127	help
128	  Select this to build a kernel which aims to support multiple boards,
129	  generally using a flattened device tree passed from the bootloader
130	  using the boot protocol defined in the UHI (Unified Hosting
131	  Interface) specification.
132
133config MIPS_ALCHEMY
134	bool "Alchemy processor based machines"
135	select ARCH_PHYS_ADDR_T_64BIT
136	select CEVT_R4K
137	select CSRC_R4K
138	select IRQ_MIPS_CPU
139	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
140	select SYS_HAS_CPU_MIPS32_R1
141	select SYS_SUPPORTS_32BIT_KERNEL
142	select SYS_SUPPORTS_APM_EMULATION
143	select GPIOLIB
144	select SYS_SUPPORTS_ZBOOT
145	select COMMON_CLK
146
147config AR7
148	bool "Texas Instruments AR7"
149	select BOOT_ELF32
150	select DMA_NONCOHERENT
151	select CEVT_R4K
152	select CSRC_R4K
153	select IRQ_MIPS_CPU
154	select NO_EXCEPT_FILL
155	select SWAP_IO_SPACE
156	select SYS_HAS_CPU_MIPS32_R1
157	select SYS_HAS_EARLY_PRINTK
158	select SYS_SUPPORTS_32BIT_KERNEL
159	select SYS_SUPPORTS_LITTLE_ENDIAN
160	select SYS_SUPPORTS_MIPS16
161	select SYS_SUPPORTS_ZBOOT_UART16550
162	select GPIOLIB
163	select VLYNQ
164	select HAVE_CLK
165	help
166	  Support for the Texas Instruments AR7 System-on-a-Chip
167	  family: TNETD7100, 7200 and 7300.
168
169config ATH25
170	bool "Atheros AR231x/AR531x SoC support"
171	select CEVT_R4K
172	select CSRC_R4K
173	select DMA_NONCOHERENT
174	select IRQ_MIPS_CPU
175	select IRQ_DOMAIN
176	select SYS_HAS_CPU_MIPS32_R1
177	select SYS_SUPPORTS_BIG_ENDIAN
178	select SYS_SUPPORTS_32BIT_KERNEL
179	select SYS_HAS_EARLY_PRINTK
180	help
181	  Support for Atheros AR231x and Atheros AR531x based boards
182
183config ATH79
184	bool "Atheros AR71XX/AR724X/AR913X based boards"
185	select ARCH_HAS_RESET_CONTROLLER
186	select BOOT_RAW
187	select CEVT_R4K
188	select CSRC_R4K
189	select DMA_NONCOHERENT
190	select GPIOLIB
191	select HAVE_CLK
192	select COMMON_CLK
193	select CLKDEV_LOOKUP
194	select IRQ_MIPS_CPU
195	select MIPS_MACHINE
196	select SYS_HAS_CPU_MIPS32_R2
197	select SYS_HAS_EARLY_PRINTK
198	select SYS_SUPPORTS_32BIT_KERNEL
199	select SYS_SUPPORTS_BIG_ENDIAN
200	select SYS_SUPPORTS_MIPS16
201	select SYS_SUPPORTS_ZBOOT_UART_PROM
202	select USE_OF
203	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
204	help
205	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
206
207config BMIPS_GENERIC
208	bool "Broadcom Generic BMIPS kernel"
209	select BOOT_RAW
210	select NO_EXCEPT_FILL
211	select USE_OF
212	select CEVT_R4K
213	select CSRC_R4K
214	select SYNC_R4K
215	select COMMON_CLK
216	select BCM6345_L1_IRQ
217	select BCM7038_L1_IRQ
218	select BCM7120_L2_IRQ
219	select BRCMSTB_L2_IRQ
220	select IRQ_MIPS_CPU
221	select DMA_NONCOHERENT
222	select SYS_SUPPORTS_32BIT_KERNEL
223	select SYS_SUPPORTS_LITTLE_ENDIAN
224	select SYS_SUPPORTS_BIG_ENDIAN
225	select SYS_SUPPORTS_HIGHMEM
226	select SYS_HAS_CPU_BMIPS32_3300
227	select SYS_HAS_CPU_BMIPS4350
228	select SYS_HAS_CPU_BMIPS4380
229	select SYS_HAS_CPU_BMIPS5000
230	select SWAP_IO_SPACE
231	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
232	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
233	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
234	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
235	select HARDIRQS_SW_RESEND
236	help
237	  Build a generic DT-based kernel image that boots on select
238	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
239	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
240	  must be set appropriately for your board.
241
242config BCM47XX
243	bool "Broadcom BCM47XX based boards"
244	select BOOT_RAW
245	select CEVT_R4K
246	select CSRC_R4K
247	select DMA_NONCOHERENT
248	select HW_HAS_PCI
249	select IRQ_MIPS_CPU
250	select SYS_HAS_CPU_MIPS32_R1
251	select NO_EXCEPT_FILL
252	select SYS_SUPPORTS_32BIT_KERNEL
253	select SYS_SUPPORTS_LITTLE_ENDIAN
254	select SYS_SUPPORTS_MIPS16
255	select SYS_SUPPORTS_ZBOOT
256	select SYS_HAS_EARLY_PRINTK
257	select USE_GENERIC_EARLY_PRINTK_8250
258	select GPIOLIB
259	select LEDS_GPIO_REGISTER
260	select BCM47XX_NVRAM
261	select BCM47XX_SPROM
262	select BCM47XX_SSB if !BCM47XX_BCMA
263	help
264	 Support for BCM47XX based boards
265
266config BCM63XX
267	bool "Broadcom BCM63XX based boards"
268	select BOOT_RAW
269	select CEVT_R4K
270	select CSRC_R4K
271	select SYNC_R4K
272	select DMA_NONCOHERENT
273	select IRQ_MIPS_CPU
274	select SYS_SUPPORTS_32BIT_KERNEL
275	select SYS_SUPPORTS_BIG_ENDIAN
276	select SYS_HAS_EARLY_PRINTK
277	select SWAP_IO_SPACE
278	select GPIOLIB
279	select HAVE_CLK
280	select MIPS_L1_CACHE_SHIFT_4
281	select CLKDEV_LOOKUP
282	help
283	 Support for BCM63XX based boards
284
285config MIPS_COBALT
286	bool "Cobalt Server"
287	select CEVT_R4K
288	select CSRC_R4K
289	select CEVT_GT641XX
290	select DMA_NONCOHERENT
291	select HW_HAS_PCI
292	select I8253
293	select I8259
294	select IRQ_MIPS_CPU
295	select IRQ_GT641XX
296	select PCI_GT64XXX_PCI0
297	select PCI
298	select SYS_HAS_CPU_NEVADA
299	select SYS_HAS_EARLY_PRINTK
300	select SYS_SUPPORTS_32BIT_KERNEL
301	select SYS_SUPPORTS_64BIT_KERNEL
302	select SYS_SUPPORTS_LITTLE_ENDIAN
303	select USE_GENERIC_EARLY_PRINTK_8250
304
305config MACH_DECSTATION
306	bool "DECstations"
307	select BOOT_ELF32
308	select CEVT_DS1287
309	select CEVT_R4K if CPU_R4X00
310	select CSRC_IOASIC
311	select CSRC_R4K if CPU_R4X00
312	select CPU_DADDI_WORKAROUNDS if 64BIT
313	select CPU_R4000_WORKAROUNDS if 64BIT
314	select CPU_R4400_WORKAROUNDS if 64BIT
315	select DMA_NONCOHERENT
316	select NO_IOPORT_MAP
317	select IRQ_MIPS_CPU
318	select SYS_HAS_CPU_R3000
319	select SYS_HAS_CPU_R4X00
320	select SYS_SUPPORTS_32BIT_KERNEL
321	select SYS_SUPPORTS_64BIT_KERNEL
322	select SYS_SUPPORTS_LITTLE_ENDIAN
323	select SYS_SUPPORTS_128HZ
324	select SYS_SUPPORTS_256HZ
325	select SYS_SUPPORTS_1024HZ
326	select MIPS_L1_CACHE_SHIFT_4
327	help
328	  This enables support for DEC's MIPS based workstations.  For details
329	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
330	  DECstation porting pages on <http://decstation.unix-ag.org/>.
331
332	  If you have one of the following DECstation Models you definitely
333	  want to choose R4xx0 for the CPU Type:
334
335		DECstation 5000/50
336		DECstation 5000/150
337		DECstation 5000/260
338		DECsystem 5900/260
339
340	  otherwise choose R3000.
341
342config MACH_JAZZ
343	bool "Jazz family of machines"
344	select ARCH_MIGHT_HAVE_PC_PARPORT
345	select ARCH_MIGHT_HAVE_PC_SERIO
346	select FW_ARC
347	select FW_ARC32
348	select ARCH_MAY_HAVE_PC_FDC
349	select CEVT_R4K
350	select CSRC_R4K
351	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
352	select GENERIC_ISA_DMA
353	select HAVE_PCSPKR_PLATFORM
354	select IRQ_MIPS_CPU
355	select I8253
356	select I8259
357	select ISA
358	select SYS_HAS_CPU_R4X00
359	select SYS_SUPPORTS_32BIT_KERNEL
360	select SYS_SUPPORTS_64BIT_KERNEL
361	select SYS_SUPPORTS_100HZ
362	help
363	 This a family of machines based on the MIPS R4030 chipset which was
364	 used by several vendors to build RISC/os and Windows NT workstations.
365	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
366	 Olivetti M700-10 workstations.
367
368config MACH_INGENIC
369	bool "Ingenic SoC based machines"
370	select SYS_SUPPORTS_32BIT_KERNEL
371	select SYS_SUPPORTS_LITTLE_ENDIAN
372	select SYS_SUPPORTS_ZBOOT_UART16550
373	select DMA_NONCOHERENT
374	select IRQ_MIPS_CPU
375	select PINCTRL
376	select GPIOLIB
377	select COMMON_CLK
378	select GENERIC_IRQ_CHIP
379	select BUILTIN_DTB
380	select USE_OF
381	select LIBFDT
382
383config LANTIQ
384	bool "Lantiq based platforms"
385	select DMA_NONCOHERENT
386	select IRQ_MIPS_CPU
387	select CEVT_R4K
388	select CSRC_R4K
389	select SYS_HAS_CPU_MIPS32_R1
390	select SYS_HAS_CPU_MIPS32_R2
391	select SYS_SUPPORTS_BIG_ENDIAN
392	select SYS_SUPPORTS_32BIT_KERNEL
393	select SYS_SUPPORTS_MIPS16
394	select SYS_SUPPORTS_MULTITHREADING
395	select SYS_SUPPORTS_VPE_LOADER
396	select SYS_HAS_EARLY_PRINTK
397	select GPIOLIB
398	select SWAP_IO_SPACE
399	select BOOT_RAW
400	select CLKDEV_LOOKUP
401	select USE_OF
402	select PINCTRL
403	select PINCTRL_LANTIQ
404	select ARCH_HAS_RESET_CONTROLLER
405	select RESET_CONTROLLER
406
407config LASAT
408	bool "LASAT Networks platforms"
409	select CEVT_R4K
410	select CRC32
411	select CSRC_R4K
412	select DMA_NONCOHERENT
413	select SYS_HAS_EARLY_PRINTK
414	select HW_HAS_PCI
415	select IRQ_MIPS_CPU
416	select PCI_GT64XXX_PCI0
417	select MIPS_NILE4
418	select R5000_CPU_SCACHE
419	select SYS_HAS_CPU_R5000
420	select SYS_SUPPORTS_32BIT_KERNEL
421	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
422	select SYS_SUPPORTS_LITTLE_ENDIAN
423
424config MACH_LOONGSON32
425	bool "Loongson-1 family of machines"
426	select SYS_SUPPORTS_ZBOOT
427	help
428	  This enables support for the Loongson-1 family of machines.
429
430	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
431	  the Institute of Computing Technology (ICT), Chinese Academy of
432	  Sciences (CAS).
433
434config MACH_LOONGSON64
435	bool "Loongson-2/3 family of machines"
436	select ARCH_HAS_PHYS_TO_DMA
437	select SYS_SUPPORTS_ZBOOT
438	help
439	  This enables the support of Loongson-2/3 family of machines.
440
441	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
442	  family of multi-core CPUs. They are both 64-bit general-purpose
443	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
444	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
445	  in the People's Republic of China. The chief architect is Professor
446	  Weiwu Hu.
447
448config MACH_PISTACHIO
449	bool "IMG Pistachio SoC based boards"
450	select BOOT_ELF32
451	select BOOT_RAW
452	select CEVT_R4K
453	select CLKSRC_MIPS_GIC
454	select COMMON_CLK
455	select CSRC_R4K
456	select DMA_NONCOHERENT
457	select GPIOLIB
458	select IRQ_MIPS_CPU
459	select LIBFDT
460	select MFD_SYSCON
461	select MIPS_CPU_SCACHE
462	select MIPS_GIC
463	select PINCTRL
464	select REGULATOR
465	select SYS_HAS_CPU_MIPS32_R2
466	select SYS_SUPPORTS_32BIT_KERNEL
467	select SYS_SUPPORTS_LITTLE_ENDIAN
468	select SYS_SUPPORTS_MIPS_CPS
469	select SYS_SUPPORTS_MULTITHREADING
470	select SYS_SUPPORTS_RELOCATABLE
471	select SYS_SUPPORTS_ZBOOT
472	select SYS_HAS_EARLY_PRINTK
473	select USE_GENERIC_EARLY_PRINTK_8250
474	select USE_OF
475	help
476	  This enables support for the IMG Pistachio SoC platform.
477
478config MIPS_MALTA
479	bool "MIPS Malta board"
480	select ARCH_MAY_HAVE_PC_FDC
481	select ARCH_MIGHT_HAVE_PC_PARPORT
482	select ARCH_MIGHT_HAVE_PC_SERIO
483	select BOOT_ELF32
484	select BOOT_RAW
485	select BUILTIN_DTB
486	select CEVT_R4K
487	select CSRC_R4K
488	select CLKSRC_MIPS_GIC
489	select COMMON_CLK
490	select DMA_MAYBE_COHERENT
491	select GENERIC_ISA_DMA
492	select HAVE_PCSPKR_PLATFORM
493	select IRQ_MIPS_CPU
494	select MIPS_GIC
495	select HW_HAS_PCI
496	select I8253
497	select I8259
498	select MIPS_BONITO64
499	select MIPS_CPU_SCACHE
500	select MIPS_L1_CACHE_SHIFT_6
501	select PCI_GT64XXX_PCI0
502	select MIPS_MSC
503	select SMP_UP if SMP
504	select SWAP_IO_SPACE
505	select SYS_HAS_CPU_MIPS32_R1
506	select SYS_HAS_CPU_MIPS32_R2
507	select SYS_HAS_CPU_MIPS32_R3_5
508	select SYS_HAS_CPU_MIPS32_R5
509	select SYS_HAS_CPU_MIPS32_R6
510	select SYS_HAS_CPU_MIPS64_R1
511	select SYS_HAS_CPU_MIPS64_R2
512	select SYS_HAS_CPU_MIPS64_R6
513	select SYS_HAS_CPU_NEVADA
514	select SYS_HAS_CPU_RM7000
515	select SYS_SUPPORTS_32BIT_KERNEL
516	select SYS_SUPPORTS_64BIT_KERNEL
517	select SYS_SUPPORTS_BIG_ENDIAN
518	select SYS_SUPPORTS_HIGHMEM
519	select SYS_SUPPORTS_LITTLE_ENDIAN
520	select SYS_SUPPORTS_MICROMIPS
521	select SYS_SUPPORTS_MIPS_CMP
522	select SYS_SUPPORTS_MIPS_CPS
523	select SYS_SUPPORTS_MIPS16
524	select SYS_SUPPORTS_MULTITHREADING
525	select SYS_SUPPORTS_SMARTMIPS
526	select SYS_SUPPORTS_VPE_LOADER
527	select SYS_SUPPORTS_ZBOOT
528	select SYS_SUPPORTS_RELOCATABLE
529	select USE_OF
530	select LIBFDT
531	select ZONE_DMA32 if 64BIT
532	select BUILTIN_DTB
533	select LIBFDT
534	help
535	  This enables support for the MIPS Technologies Malta evaluation
536	  board.
537
538config MACH_PIC32
539	bool "Microchip PIC32 Family"
540	help
541	  This enables support for the Microchip PIC32 family of platforms.
542
543	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
544	  microcontrollers.
545
546config NEC_MARKEINS
547	bool "NEC EMMA2RH Mark-eins board"
548	select SOC_EMMA2RH
549	select HW_HAS_PCI
550	help
551	  This enables support for the NEC Electronics Mark-eins boards.
552
553config MACH_VR41XX
554	bool "NEC VR4100 series based machines"
555	select CEVT_R4K
556	select CSRC_R4K
557	select SYS_HAS_CPU_VR41XX
558	select SYS_SUPPORTS_MIPS16
559	select GPIOLIB
560
561config NXP_STB220
562	bool "NXP STB220 board"
563	select SOC_PNX833X
564	help
565	 Support for NXP Semiconductors STB220 Development Board.
566
567config NXP_STB225
568	bool "NXP 225 board"
569	select SOC_PNX833X
570	select SOC_PNX8335
571	help
572	 Support for NXP Semiconductors STB225 Development Board.
573
574config PMC_MSP
575	bool "PMC-Sierra MSP chipsets"
576	select CEVT_R4K
577	select CSRC_R4K
578	select DMA_NONCOHERENT
579	select SWAP_IO_SPACE
580	select NO_EXCEPT_FILL
581	select BOOT_RAW
582	select SYS_HAS_CPU_MIPS32_R1
583	select SYS_HAS_CPU_MIPS32_R2
584	select SYS_SUPPORTS_32BIT_KERNEL
585	select SYS_SUPPORTS_BIG_ENDIAN
586	select SYS_SUPPORTS_MIPS16
587	select IRQ_MIPS_CPU
588	select SERIAL_8250
589	select SERIAL_8250_CONSOLE
590	select USB_EHCI_BIG_ENDIAN_MMIO
591	select USB_EHCI_BIG_ENDIAN_DESC
592	help
593	  This adds support for the PMC-Sierra family of Multi-Service
594	  Processor System-On-A-Chips.  These parts include a number
595	  of integrated peripherals, interfaces and DSPs in addition to
596	  a variety of MIPS cores.
597
598config RALINK
599	bool "Ralink based machines"
600	select CEVT_R4K
601	select CSRC_R4K
602	select BOOT_RAW
603	select DMA_NONCOHERENT
604	select IRQ_MIPS_CPU
605	select USE_OF
606	select SYS_HAS_CPU_MIPS32_R1
607	select SYS_HAS_CPU_MIPS32_R2
608	select SYS_SUPPORTS_32BIT_KERNEL
609	select SYS_SUPPORTS_LITTLE_ENDIAN
610	select SYS_SUPPORTS_MIPS16
611	select SYS_HAS_EARLY_PRINTK
612	select CLKDEV_LOOKUP
613	select ARCH_HAS_RESET_CONTROLLER
614	select RESET_CONTROLLER
615
616config SGI_IP22
617	bool "SGI IP22 (Indy/Indigo2)"
618	select FW_ARC
619	select FW_ARC32
620	select ARCH_MIGHT_HAVE_PC_SERIO
621	select BOOT_ELF32
622	select CEVT_R4K
623	select CSRC_R4K
624	select DEFAULT_SGI_PARTITION
625	select DMA_NONCOHERENT
626	select HW_HAS_EISA
627	select I8253
628	select I8259
629	select IP22_CPU_SCACHE
630	select IRQ_MIPS_CPU
631	select GENERIC_ISA_DMA_SUPPORT_BROKEN
632	select SGI_HAS_I8042
633	select SGI_HAS_INDYDOG
634	select SGI_HAS_HAL2
635	select SGI_HAS_SEEQ
636	select SGI_HAS_WD93
637	select SGI_HAS_ZILOG
638	select SWAP_IO_SPACE
639	select SYS_HAS_CPU_R4X00
640	select SYS_HAS_CPU_R5000
641	#
642	# Disable EARLY_PRINTK for now since it leads to overwritten prom
643	# memory during early boot on some machines.
644	#
645	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
646	# for a more details discussion
647	#
648	# select SYS_HAS_EARLY_PRINTK
649	select SYS_SUPPORTS_32BIT_KERNEL
650	select SYS_SUPPORTS_64BIT_KERNEL
651	select SYS_SUPPORTS_BIG_ENDIAN
652	select MIPS_L1_CACHE_SHIFT_7
653	help
654	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
655	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
656	  that runs on these, say Y here.
657
658config SGI_IP27
659	bool "SGI IP27 (Origin200/2000)"
660	select FW_ARC
661	select FW_ARC64
662	select BOOT_ELF64
663	select DEFAULT_SGI_PARTITION
664	select DMA_COHERENT
665	select SYS_HAS_EARLY_PRINTK
666	select HW_HAS_PCI
667	select NR_CPUS_DEFAULT_64
668	select SYS_HAS_CPU_R10000
669	select SYS_SUPPORTS_64BIT_KERNEL
670	select SYS_SUPPORTS_BIG_ENDIAN
671	select SYS_SUPPORTS_NUMA
672	select SYS_SUPPORTS_SMP
673	select MIPS_L1_CACHE_SHIFT_7
674	help
675	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
676	  workstations.  To compile a Linux kernel that runs on these, say Y
677	  here.
678
679config SGI_IP28
680	bool "SGI IP28 (Indigo2 R10k)"
681	select FW_ARC
682	select FW_ARC64
683	select ARCH_MIGHT_HAVE_PC_SERIO
684	select BOOT_ELF64
685	select CEVT_R4K
686	select CSRC_R4K
687	select DEFAULT_SGI_PARTITION
688	select DMA_NONCOHERENT
689	select GENERIC_ISA_DMA_SUPPORT_BROKEN
690	select IRQ_MIPS_CPU
691	select HW_HAS_EISA
692	select I8253
693	select I8259
694	select SGI_HAS_I8042
695	select SGI_HAS_INDYDOG
696	select SGI_HAS_HAL2
697	select SGI_HAS_SEEQ
698	select SGI_HAS_WD93
699	select SGI_HAS_ZILOG
700	select SWAP_IO_SPACE
701	select SYS_HAS_CPU_R10000
702	#
703	# Disable EARLY_PRINTK for now since it leads to overwritten prom
704	# memory during early boot on some machines.
705	#
706	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
707	# for a more details discussion
708	#
709	# select SYS_HAS_EARLY_PRINTK
710	select SYS_SUPPORTS_64BIT_KERNEL
711	select SYS_SUPPORTS_BIG_ENDIAN
712	select MIPS_L1_CACHE_SHIFT_7
713      help
714        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
715        kernel that runs on these, say Y here.
716
717config SGI_IP32
718	bool "SGI IP32 (O2)"
719	select FW_ARC
720	select FW_ARC32
721	select BOOT_ELF32
722	select CEVT_R4K
723	select CSRC_R4K
724	select DMA_NONCOHERENT
725	select HW_HAS_PCI
726	select IRQ_MIPS_CPU
727	select R5000_CPU_SCACHE
728	select RM7000_CPU_SCACHE
729	select SYS_HAS_CPU_R5000
730	select SYS_HAS_CPU_R10000 if BROKEN
731	select SYS_HAS_CPU_RM7000
732	select SYS_HAS_CPU_NEVADA
733	select SYS_SUPPORTS_64BIT_KERNEL
734	select SYS_SUPPORTS_BIG_ENDIAN
735	help
736	  If you want this kernel to run on SGI O2 workstation, say Y here.
737
738config SIBYTE_CRHINE
739	bool "Sibyte BCM91120C-CRhine"
740	select BOOT_ELF32
741	select DMA_COHERENT
742	select SIBYTE_BCM1120
743	select SWAP_IO_SPACE
744	select SYS_HAS_CPU_SB1
745	select SYS_SUPPORTS_BIG_ENDIAN
746	select SYS_SUPPORTS_LITTLE_ENDIAN
747
748config SIBYTE_CARMEL
749	bool "Sibyte BCM91120x-Carmel"
750	select BOOT_ELF32
751	select DMA_COHERENT
752	select SIBYTE_BCM1120
753	select SWAP_IO_SPACE
754	select SYS_HAS_CPU_SB1
755	select SYS_SUPPORTS_BIG_ENDIAN
756	select SYS_SUPPORTS_LITTLE_ENDIAN
757
758config SIBYTE_CRHONE
759	bool "Sibyte BCM91125C-CRhone"
760	select BOOT_ELF32
761	select DMA_COHERENT
762	select SIBYTE_BCM1125
763	select SWAP_IO_SPACE
764	select SYS_HAS_CPU_SB1
765	select SYS_SUPPORTS_BIG_ENDIAN
766	select SYS_SUPPORTS_HIGHMEM
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768
769config SIBYTE_RHONE
770	bool "Sibyte BCM91125E-Rhone"
771	select BOOT_ELF32
772	select DMA_COHERENT
773	select SIBYTE_BCM1125H
774	select SWAP_IO_SPACE
775	select SYS_HAS_CPU_SB1
776	select SYS_SUPPORTS_BIG_ENDIAN
777	select SYS_SUPPORTS_LITTLE_ENDIAN
778
779config SIBYTE_SWARM
780	bool "Sibyte BCM91250A-SWARM"
781	select BOOT_ELF32
782	select DMA_COHERENT
783	select HAVE_PATA_PLATFORM
784	select SIBYTE_SB1250
785	select SWAP_IO_SPACE
786	select SYS_HAS_CPU_SB1
787	select SYS_SUPPORTS_BIG_ENDIAN
788	select SYS_SUPPORTS_HIGHMEM
789	select SYS_SUPPORTS_LITTLE_ENDIAN
790	select ZONE_DMA32 if 64BIT
791
792config SIBYTE_LITTLESUR
793	bool "Sibyte BCM91250C2-LittleSur"
794	select BOOT_ELF32
795	select DMA_COHERENT
796	select HAVE_PATA_PLATFORM
797	select SIBYTE_SB1250
798	select SWAP_IO_SPACE
799	select SYS_HAS_CPU_SB1
800	select SYS_SUPPORTS_BIG_ENDIAN
801	select SYS_SUPPORTS_HIGHMEM
802	select SYS_SUPPORTS_LITTLE_ENDIAN
803
804config SIBYTE_SENTOSA
805	bool "Sibyte BCM91250E-Sentosa"
806	select BOOT_ELF32
807	select DMA_COHERENT
808	select SIBYTE_SB1250
809	select SWAP_IO_SPACE
810	select SYS_HAS_CPU_SB1
811	select SYS_SUPPORTS_BIG_ENDIAN
812	select SYS_SUPPORTS_LITTLE_ENDIAN
813
814config SIBYTE_BIGSUR
815	bool "Sibyte BCM91480B-BigSur"
816	select BOOT_ELF32
817	select DMA_COHERENT
818	select NR_CPUS_DEFAULT_4
819	select SIBYTE_BCM1x80
820	select SWAP_IO_SPACE
821	select SYS_HAS_CPU_SB1
822	select SYS_SUPPORTS_BIG_ENDIAN
823	select SYS_SUPPORTS_HIGHMEM
824	select SYS_SUPPORTS_LITTLE_ENDIAN
825	select ZONE_DMA32 if 64BIT
826
827config SNI_RM
828	bool "SNI RM200/300/400"
829	select FW_ARC if CPU_LITTLE_ENDIAN
830	select FW_ARC32 if CPU_LITTLE_ENDIAN
831	select FW_SNIPROM if CPU_BIG_ENDIAN
832	select ARCH_MAY_HAVE_PC_FDC
833	select ARCH_MIGHT_HAVE_PC_PARPORT
834	select ARCH_MIGHT_HAVE_PC_SERIO
835	select BOOT_ELF32
836	select CEVT_R4K
837	select CSRC_R4K
838	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
839	select DMA_NONCOHERENT
840	select GENERIC_ISA_DMA
841	select HAVE_PCSPKR_PLATFORM
842	select HW_HAS_EISA
843	select HW_HAS_PCI
844	select IRQ_MIPS_CPU
845	select I8253
846	select I8259
847	select ISA
848	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
849	select SYS_HAS_CPU_R4X00
850	select SYS_HAS_CPU_R5000
851	select SYS_HAS_CPU_R10000
852	select R5000_CPU_SCACHE
853	select SYS_HAS_EARLY_PRINTK
854	select SYS_SUPPORTS_32BIT_KERNEL
855	select SYS_SUPPORTS_64BIT_KERNEL
856	select SYS_SUPPORTS_BIG_ENDIAN
857	select SYS_SUPPORTS_HIGHMEM
858	select SYS_SUPPORTS_LITTLE_ENDIAN
859	help
860	  The SNI RM200/300/400 are MIPS-based machines manufactured by
861	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
862	  Technology and now in turn merged with Fujitsu.  Say Y here to
863	  support this machine type.
864
865config MACH_TX39XX
866	bool "Toshiba TX39 series based machines"
867
868config MACH_TX49XX
869	bool "Toshiba TX49 series based machines"
870
871config MIKROTIK_RB532
872	bool "Mikrotik RB532 boards"
873	select CEVT_R4K
874	select CSRC_R4K
875	select DMA_NONCOHERENT
876	select HW_HAS_PCI
877	select IRQ_MIPS_CPU
878	select SYS_HAS_CPU_MIPS32_R1
879	select SYS_SUPPORTS_32BIT_KERNEL
880	select SYS_SUPPORTS_LITTLE_ENDIAN
881	select SWAP_IO_SPACE
882	select BOOT_RAW
883	select GPIOLIB
884	select MIPS_L1_CACHE_SHIFT_4
885	help
886	  Support the Mikrotik(tm) RouterBoard 532 series,
887	  based on the IDT RC32434 SoC.
888
889config CAVIUM_OCTEON_SOC
890	bool "Cavium Networks Octeon SoC based boards"
891	select CEVT_R4K
892	select ARCH_HAS_PHYS_TO_DMA
893	select ARCH_PHYS_ADDR_T_64BIT
894	select DMA_COHERENT
895	select SYS_SUPPORTS_64BIT_KERNEL
896	select SYS_SUPPORTS_BIG_ENDIAN
897	select EDAC_SUPPORT
898	select EDAC_ATOMIC_SCRUB
899	select SYS_SUPPORTS_LITTLE_ENDIAN
900	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
901	select SYS_HAS_EARLY_PRINTK
902	select SYS_HAS_CPU_CAVIUM_OCTEON
903	select HW_HAS_PCI
904	select ZONE_DMA32
905	select HOLES_IN_ZONE
906	select GPIOLIB
907	select LIBFDT
908	select USE_OF
909	select ARCH_SPARSEMEM_ENABLE
910	select SYS_SUPPORTS_SMP
911	select NR_CPUS_DEFAULT_64
912	select MIPS_NR_CPU_NR_MAP_1024
913	select BUILTIN_DTB
914	select MTD_COMPLEX_MAPPINGS
915	select SYS_SUPPORTS_RELOCATABLE
916	help
917	  This option supports all of the Octeon reference boards from Cavium
918	  Networks. It builds a kernel that dynamically determines the Octeon
919	  CPU type and supports all known board reference implementations.
920	  Some of the supported boards are:
921		EBT3000
922		EBH3000
923		EBH3100
924		Thunder
925		Kodama
926		Hikari
927	  Say Y here for most Octeon reference boards.
928
929config NLM_XLR_BOARD
930	bool "Netlogic XLR/XLS based systems"
931	select BOOT_ELF32
932	select NLM_COMMON
933	select SYS_HAS_CPU_XLR
934	select SYS_SUPPORTS_SMP
935	select HW_HAS_PCI
936	select SWAP_IO_SPACE
937	select SYS_SUPPORTS_32BIT_KERNEL
938	select SYS_SUPPORTS_64BIT_KERNEL
939	select ARCH_PHYS_ADDR_T_64BIT
940	select SYS_SUPPORTS_BIG_ENDIAN
941	select SYS_SUPPORTS_HIGHMEM
942	select DMA_COHERENT
943	select NR_CPUS_DEFAULT_32
944	select CEVT_R4K
945	select CSRC_R4K
946	select IRQ_MIPS_CPU
947	select ZONE_DMA32 if 64BIT
948	select SYNC_R4K
949	select SYS_HAS_EARLY_PRINTK
950	select SYS_SUPPORTS_ZBOOT
951	select SYS_SUPPORTS_ZBOOT_UART16550
952	help
953	  Support for systems based on Netlogic XLR and XLS processors.
954	  Say Y here if you have a XLR or XLS based board.
955
956config NLM_XLP_BOARD
957	bool "Netlogic XLP based systems"
958	select BOOT_ELF32
959	select NLM_COMMON
960	select SYS_HAS_CPU_XLP
961	select SYS_SUPPORTS_SMP
962	select HW_HAS_PCI
963	select SYS_SUPPORTS_32BIT_KERNEL
964	select SYS_SUPPORTS_64BIT_KERNEL
965	select ARCH_PHYS_ADDR_T_64BIT
966	select GPIOLIB
967	select SYS_SUPPORTS_BIG_ENDIAN
968	select SYS_SUPPORTS_LITTLE_ENDIAN
969	select SYS_SUPPORTS_HIGHMEM
970	select DMA_COHERENT
971	select NR_CPUS_DEFAULT_32
972	select CEVT_R4K
973	select CSRC_R4K
974	select IRQ_MIPS_CPU
975	select ZONE_DMA32 if 64BIT
976	select SYNC_R4K
977	select SYS_HAS_EARLY_PRINTK
978	select USE_OF
979	select SYS_SUPPORTS_ZBOOT
980	select SYS_SUPPORTS_ZBOOT_UART16550
981	help
982	  This board is based on Netlogic XLP Processor.
983	  Say Y here if you have a XLP based board.
984
985config MIPS_PARAVIRT
986	bool "Para-Virtualized guest system"
987	select CEVT_R4K
988	select CSRC_R4K
989	select DMA_COHERENT
990	select SYS_SUPPORTS_64BIT_KERNEL
991	select SYS_SUPPORTS_32BIT_KERNEL
992	select SYS_SUPPORTS_BIG_ENDIAN
993	select SYS_SUPPORTS_SMP
994	select NR_CPUS_DEFAULT_4
995	select SYS_HAS_EARLY_PRINTK
996	select SYS_HAS_CPU_MIPS32_R2
997	select SYS_HAS_CPU_MIPS64_R2
998	select SYS_HAS_CPU_CAVIUM_OCTEON
999	select HW_HAS_PCI
1000	select SWAP_IO_SPACE
1001	help
1002	  This option supports guest running under ????
1003
1004endchoice
1005
1006source "arch/mips/alchemy/Kconfig"
1007source "arch/mips/ath25/Kconfig"
1008source "arch/mips/ath79/Kconfig"
1009source "arch/mips/bcm47xx/Kconfig"
1010source "arch/mips/bcm63xx/Kconfig"
1011source "arch/mips/bmips/Kconfig"
1012source "arch/mips/generic/Kconfig"
1013source "arch/mips/jazz/Kconfig"
1014source "arch/mips/jz4740/Kconfig"
1015source "arch/mips/lantiq/Kconfig"
1016source "arch/mips/lasat/Kconfig"
1017source "arch/mips/pic32/Kconfig"
1018source "arch/mips/pistachio/Kconfig"
1019source "arch/mips/pmcs-msp71xx/Kconfig"
1020source "arch/mips/ralink/Kconfig"
1021source "arch/mips/sgi-ip27/Kconfig"
1022source "arch/mips/sibyte/Kconfig"
1023source "arch/mips/txx9/Kconfig"
1024source "arch/mips/vr41xx/Kconfig"
1025source "arch/mips/cavium-octeon/Kconfig"
1026source "arch/mips/loongson32/Kconfig"
1027source "arch/mips/loongson64/Kconfig"
1028source "arch/mips/netlogic/Kconfig"
1029source "arch/mips/paravirt/Kconfig"
1030
1031endmenu
1032
1033config RWSEM_GENERIC_SPINLOCK
1034	bool
1035	default y
1036
1037config RWSEM_XCHGADD_ALGORITHM
1038	bool
1039
1040config GENERIC_HWEIGHT
1041	bool
1042	default y
1043
1044config GENERIC_CALIBRATE_DELAY
1045	bool
1046	default y
1047
1048config SCHED_OMIT_FRAME_POINTER
1049	bool
1050	default y
1051
1052#
1053# Select some configuration options automatically based on user selections.
1054#
1055config FW_ARC
1056	bool
1057
1058config ARCH_MAY_HAVE_PC_FDC
1059	bool
1060
1061config BOOT_RAW
1062	bool
1063
1064config CEVT_BCM1480
1065	bool
1066
1067config CEVT_DS1287
1068	bool
1069
1070config CEVT_GT641XX
1071	bool
1072
1073config CEVT_R4K
1074	bool
1075
1076config CEVT_SB1250
1077	bool
1078
1079config CEVT_TXX9
1080	bool
1081
1082config CSRC_BCM1480
1083	bool
1084
1085config CSRC_IOASIC
1086	bool
1087
1088config CSRC_R4K
1089	bool
1090
1091config CSRC_SB1250
1092	bool
1093
1094config MIPS_CLOCK_VSYSCALL
1095	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1096
1097config GPIO_TXX9
1098	select GPIOLIB
1099	bool
1100
1101config FW_CFE
1102	bool
1103
1104config ARCH_DMA_ADDR_T_64BIT
1105	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1106
1107config ARCH_SUPPORTS_UPROBES
1108	bool
1109
1110config DMA_MAYBE_COHERENT
1111	select DMA_NONCOHERENT
1112	bool
1113
1114config DMA_PERDEV_COHERENT
1115	bool
1116	select DMA_MAYBE_COHERENT
1117
1118config DMA_COHERENT
1119	bool
1120
1121config DMA_NONCOHERENT
1122	bool
1123	select NEED_DMA_MAP_STATE
1124
1125config NEED_DMA_MAP_STATE
1126	bool
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	help
1377		The Loongson 3 processor implements the MIPS64R2 instruction
1378		set with many extensions.
1379
1380config LOONGSON3_ENHANCEMENT
1381	bool "New Loongson 3 CPU Enhancements"
1382	default n
1383	select CPU_MIPSR2
1384	select CPU_HAS_PREFETCH
1385	depends on CPU_LOONGSON3
1386	help
1387	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1388	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1389	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1390	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1391	  Fast TLB refill support, etc.
1392
1393	  This option enable those enhancements which are not probed at run
1394	  time. If you want a generic kernel to run on all Loongson 3 machines,
1395	  please say 'N' here. If you want a high-performance kernel to run on
1396	  new Loongson 3 machines only, please say 'Y' here.
1397
1398config CPU_LOONGSON2E
1399	bool "Loongson 2E"
1400	depends on SYS_HAS_CPU_LOONGSON2E
1401	select CPU_LOONGSON2
1402	help
1403	  The Loongson 2E processor implements the MIPS III instruction set
1404	  with many extensions.
1405
1406	  It has an internal FPGA northbridge, which is compatible to
1407	  bonito64.
1408
1409config CPU_LOONGSON2F
1410	bool "Loongson 2F"
1411	depends on SYS_HAS_CPU_LOONGSON2F
1412	select CPU_LOONGSON2
1413	select GPIOLIB
1414	help
1415	  The Loongson 2F processor implements the MIPS III instruction set
1416	  with many extensions.
1417
1418	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1419	  have a similar programming interface with FPGA northbridge used in
1420	  Loongson2E.
1421
1422config CPU_LOONGSON1B
1423	bool "Loongson 1B"
1424	depends on SYS_HAS_CPU_LOONGSON1B
1425	select CPU_LOONGSON1
1426	select LEDS_GPIO_REGISTER
1427	help
1428	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1429	  release 2 instruction set.
1430
1431config CPU_LOONGSON1C
1432	bool "Loongson 1C"
1433	depends on SYS_HAS_CPU_LOONGSON1C
1434	select CPU_LOONGSON1
1435	select LEDS_GPIO_REGISTER
1436	help
1437	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1438	  release 2 instruction set.
1439
1440config CPU_MIPS32_R1
1441	bool "MIPS32 Release 1"
1442	depends on SYS_HAS_CPU_MIPS32_R1
1443	select CPU_HAS_PREFETCH
1444	select CPU_SUPPORTS_32BIT_KERNEL
1445	select CPU_SUPPORTS_HIGHMEM
1446	help
1447	  Choose this option to build a kernel for release 1 or later of the
1448	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1449	  MIPS processor are based on a MIPS32 processor.  If you know the
1450	  specific type of processor in your system, choose those that one
1451	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1452	  Release 2 of the MIPS32 architecture is available since several
1453	  years so chances are you even have a MIPS32 Release 2 processor
1454	  in which case you should choose CPU_MIPS32_R2 instead for better
1455	  performance.
1456
1457config CPU_MIPS32_R2
1458	bool "MIPS32 Release 2"
1459	depends on SYS_HAS_CPU_MIPS32_R2
1460	select CPU_HAS_PREFETCH
1461	select CPU_SUPPORTS_32BIT_KERNEL
1462	select CPU_SUPPORTS_HIGHMEM
1463	select CPU_SUPPORTS_MSA
1464	select HAVE_KVM
1465	help
1466	  Choose this option to build a kernel for release 2 or later of the
1467	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1468	  MIPS processor are based on a MIPS32 processor.  If you know the
1469	  specific type of processor in your system, choose those that one
1470	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1471
1472config CPU_MIPS32_R6
1473	bool "MIPS32 Release 6"
1474	depends on SYS_HAS_CPU_MIPS32_R6
1475	select CPU_HAS_PREFETCH
1476	select CPU_SUPPORTS_32BIT_KERNEL
1477	select CPU_SUPPORTS_HIGHMEM
1478	select CPU_SUPPORTS_MSA
1479	select GENERIC_CSUM
1480	select HAVE_KVM
1481	select MIPS_O32_FP64_SUPPORT
1482	help
1483	  Choose this option to build a kernel for release 6 or later of the
1484	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1485	  family, are based on a MIPS32r6 processor. If you own an older
1486	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1487
1488config CPU_MIPS64_R1
1489	bool "MIPS64 Release 1"
1490	depends on SYS_HAS_CPU_MIPS64_R1
1491	select CPU_HAS_PREFETCH
1492	select CPU_SUPPORTS_32BIT_KERNEL
1493	select CPU_SUPPORTS_64BIT_KERNEL
1494	select CPU_SUPPORTS_HIGHMEM
1495	select CPU_SUPPORTS_HUGEPAGES
1496	help
1497	  Choose this option to build a kernel for release 1 or later of the
1498	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1499	  MIPS processor are based on a MIPS64 processor.  If you know the
1500	  specific type of processor in your system, choose those that one
1501	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1502	  Release 2 of the MIPS64 architecture is available since several
1503	  years so chances are you even have a MIPS64 Release 2 processor
1504	  in which case you should choose CPU_MIPS64_R2 instead for better
1505	  performance.
1506
1507config CPU_MIPS64_R2
1508	bool "MIPS64 Release 2"
1509	depends on SYS_HAS_CPU_MIPS64_R2
1510	select CPU_HAS_PREFETCH
1511	select CPU_SUPPORTS_32BIT_KERNEL
1512	select CPU_SUPPORTS_64BIT_KERNEL
1513	select CPU_SUPPORTS_HIGHMEM
1514	select CPU_SUPPORTS_HUGEPAGES
1515	select CPU_SUPPORTS_MSA
1516	select HAVE_KVM
1517	help
1518	  Choose this option to build a kernel for release 2 or later of the
1519	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1520	  MIPS processor are based on a MIPS64 processor.  If you know the
1521	  specific type of processor in your system, choose those that one
1522	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1523
1524config CPU_MIPS64_R6
1525	bool "MIPS64 Release 6"
1526	depends on SYS_HAS_CPU_MIPS64_R6
1527	select CPU_HAS_PREFETCH
1528	select CPU_SUPPORTS_32BIT_KERNEL
1529	select CPU_SUPPORTS_64BIT_KERNEL
1530	select CPU_SUPPORTS_HIGHMEM
1531	select CPU_SUPPORTS_MSA
1532	select GENERIC_CSUM
1533	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1534	select HAVE_KVM
1535	help
1536	  Choose this option to build a kernel for release 6 or later of the
1537	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1538	  family, are based on a MIPS64r6 processor. If you own an older
1539	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1540
1541config CPU_R3000
1542	bool "R3000"
1543	depends on SYS_HAS_CPU_R3000
1544	select CPU_HAS_WB
1545	select CPU_SUPPORTS_32BIT_KERNEL
1546	select CPU_SUPPORTS_HIGHMEM
1547	help
1548	  Please make sure to pick the right CPU type. Linux/MIPS is not
1549	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1550	  *not* work on R4000 machines and vice versa.  However, since most
1551	  of the supported machines have an R4000 (or similar) CPU, R4x00
1552	  might be a safe bet.  If the resulting kernel does not work,
1553	  try to recompile with R3000.
1554
1555config CPU_TX39XX
1556	bool "R39XX"
1557	depends on SYS_HAS_CPU_TX39XX
1558	select CPU_SUPPORTS_32BIT_KERNEL
1559
1560config CPU_VR41XX
1561	bool "R41xx"
1562	depends on SYS_HAS_CPU_VR41XX
1563	select CPU_SUPPORTS_32BIT_KERNEL
1564	select CPU_SUPPORTS_64BIT_KERNEL
1565	help
1566	  The options selects support for the NEC VR4100 series of processors.
1567	  Only choose this option if you have one of these processors as a
1568	  kernel built with this option will not run on any other type of
1569	  processor or vice versa.
1570
1571config CPU_R4300
1572	bool "R4300"
1573	depends on SYS_HAS_CPU_R4300
1574	select CPU_SUPPORTS_32BIT_KERNEL
1575	select CPU_SUPPORTS_64BIT_KERNEL
1576	help
1577	  MIPS Technologies R4300-series processors.
1578
1579config CPU_R4X00
1580	bool "R4x00"
1581	depends on SYS_HAS_CPU_R4X00
1582	select CPU_SUPPORTS_32BIT_KERNEL
1583	select CPU_SUPPORTS_64BIT_KERNEL
1584	select CPU_SUPPORTS_HUGEPAGES
1585	help
1586	  MIPS Technologies R4000-series processors other than 4300, including
1587	  the R4000, R4400, R4600, and 4700.
1588
1589config CPU_TX49XX
1590	bool "R49XX"
1591	depends on SYS_HAS_CPU_TX49XX
1592	select CPU_HAS_PREFETCH
1593	select CPU_SUPPORTS_32BIT_KERNEL
1594	select CPU_SUPPORTS_64BIT_KERNEL
1595	select CPU_SUPPORTS_HUGEPAGES
1596
1597config CPU_R5000
1598	bool "R5000"
1599	depends on SYS_HAS_CPU_R5000
1600	select CPU_SUPPORTS_32BIT_KERNEL
1601	select CPU_SUPPORTS_64BIT_KERNEL
1602	select CPU_SUPPORTS_HUGEPAGES
1603	help
1604	  MIPS Technologies R5000-series processors other than the Nevada.
1605
1606config CPU_R5432
1607	bool "R5432"
1608	depends on SYS_HAS_CPU_R5432
1609	select CPU_SUPPORTS_32BIT_KERNEL
1610	select CPU_SUPPORTS_64BIT_KERNEL
1611	select CPU_SUPPORTS_HUGEPAGES
1612
1613config CPU_R5500
1614	bool "R5500"
1615	depends on SYS_HAS_CPU_R5500
1616	select CPU_SUPPORTS_32BIT_KERNEL
1617	select CPU_SUPPORTS_64BIT_KERNEL
1618	select CPU_SUPPORTS_HUGEPAGES
1619	help
1620	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1621	  instruction set.
1622
1623config CPU_NEVADA
1624	bool "RM52xx"
1625	depends on SYS_HAS_CPU_NEVADA
1626	select CPU_SUPPORTS_32BIT_KERNEL
1627	select CPU_SUPPORTS_64BIT_KERNEL
1628	select CPU_SUPPORTS_HUGEPAGES
1629	help
1630	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1631
1632config CPU_R8000
1633	bool "R8000"
1634	depends on SYS_HAS_CPU_R8000
1635	select CPU_HAS_PREFETCH
1636	select CPU_SUPPORTS_64BIT_KERNEL
1637	help
1638	  MIPS Technologies R8000 processors.  Note these processors are
1639	  uncommon and the support for them is incomplete.
1640
1641config CPU_R10000
1642	bool "R10000"
1643	depends on SYS_HAS_CPU_R10000
1644	select CPU_HAS_PREFETCH
1645	select CPU_SUPPORTS_32BIT_KERNEL
1646	select CPU_SUPPORTS_64BIT_KERNEL
1647	select CPU_SUPPORTS_HIGHMEM
1648	select CPU_SUPPORTS_HUGEPAGES
1649	help
1650	  MIPS Technologies R10000-series processors.
1651
1652config CPU_RM7000
1653	bool "RM7000"
1654	depends on SYS_HAS_CPU_RM7000
1655	select CPU_HAS_PREFETCH
1656	select CPU_SUPPORTS_32BIT_KERNEL
1657	select CPU_SUPPORTS_64BIT_KERNEL
1658	select CPU_SUPPORTS_HIGHMEM
1659	select CPU_SUPPORTS_HUGEPAGES
1660
1661config CPU_SB1
1662	bool "SB1"
1663	depends on SYS_HAS_CPU_SB1
1664	select CPU_SUPPORTS_32BIT_KERNEL
1665	select CPU_SUPPORTS_64BIT_KERNEL
1666	select CPU_SUPPORTS_HIGHMEM
1667	select CPU_SUPPORTS_HUGEPAGES
1668	select WEAK_ORDERING
1669
1670config CPU_CAVIUM_OCTEON
1671	bool "Cavium Octeon processor"
1672	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1673	select CPU_HAS_PREFETCH
1674	select CPU_SUPPORTS_64BIT_KERNEL
1675	select WEAK_ORDERING
1676	select CPU_SUPPORTS_HIGHMEM
1677	select CPU_SUPPORTS_HUGEPAGES
1678	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1679	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1680	select MIPS_L1_CACHE_SHIFT_7
1681	select HAVE_KVM
1682	help
1683	  The Cavium Octeon processor is a highly integrated chip containing
1684	  many ethernet hardware widgets for networking tasks. The processor
1685	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1686	  Full details can be found at http://www.caviumnetworks.com.
1687
1688config CPU_BMIPS
1689	bool "Broadcom BMIPS"
1690	depends on SYS_HAS_CPU_BMIPS
1691	select CPU_MIPS32
1692	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1693	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1694	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1695	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1696	select CPU_SUPPORTS_32BIT_KERNEL
1697	select DMA_NONCOHERENT
1698	select IRQ_MIPS_CPU
1699	select SWAP_IO_SPACE
1700	select WEAK_ORDERING
1701	select CPU_SUPPORTS_HIGHMEM
1702	select CPU_HAS_PREFETCH
1703	select CPU_SUPPORTS_CPUFREQ
1704	select MIPS_EXTERNAL_TIMER
1705	help
1706	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1707
1708config CPU_XLR
1709	bool "Netlogic XLR SoC"
1710	depends on SYS_HAS_CPU_XLR
1711	select CPU_SUPPORTS_32BIT_KERNEL
1712	select CPU_SUPPORTS_64BIT_KERNEL
1713	select CPU_SUPPORTS_HIGHMEM
1714	select CPU_SUPPORTS_HUGEPAGES
1715	select WEAK_ORDERING
1716	select WEAK_REORDERING_BEYOND_LLSC
1717	help
1718	  Netlogic Microsystems XLR/XLS processors.
1719
1720config CPU_XLP
1721	bool "Netlogic XLP SoC"
1722	depends on SYS_HAS_CPU_XLP
1723	select CPU_SUPPORTS_32BIT_KERNEL
1724	select CPU_SUPPORTS_64BIT_KERNEL
1725	select CPU_SUPPORTS_HIGHMEM
1726	select WEAK_ORDERING
1727	select WEAK_REORDERING_BEYOND_LLSC
1728	select CPU_HAS_PREFETCH
1729	select CPU_MIPSR2
1730	select CPU_SUPPORTS_HUGEPAGES
1731	select MIPS_ASID_BITS_VARIABLE
1732	help
1733	  Netlogic Microsystems XLP processors.
1734endchoice
1735
1736config CPU_MIPS32_3_5_FEATURES
1737	bool "MIPS32 Release 3.5 Features"
1738	depends on SYS_HAS_CPU_MIPS32_R3_5
1739	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1740	help
1741	  Choose this option to build a kernel for release 2 or later of the
1742	  MIPS32 architecture including features from the 3.5 release such as
1743	  support for Enhanced Virtual Addressing (EVA).
1744
1745config CPU_MIPS32_3_5_EVA
1746	bool "Enhanced Virtual Addressing (EVA)"
1747	depends on CPU_MIPS32_3_5_FEATURES
1748	select EVA
1749	default y
1750	help
1751	  Choose this option if you want to enable the Enhanced Virtual
1752	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1753	  One of its primary benefits is an increase in the maximum size
1754	  of lowmem (up to 3GB). If unsure, say 'N' here.
1755
1756config CPU_MIPS32_R5_FEATURES
1757	bool "MIPS32 Release 5 Features"
1758	depends on SYS_HAS_CPU_MIPS32_R5
1759	depends on CPU_MIPS32_R2
1760	help
1761	  Choose this option to build a kernel for release 2 or later of the
1762	  MIPS32 architecture including features from release 5 such as
1763	  support for Extended Physical Addressing (XPA).
1764
1765config CPU_MIPS32_R5_XPA
1766	bool "Extended Physical Addressing (XPA)"
1767	depends on CPU_MIPS32_R5_FEATURES
1768	depends on !EVA
1769	depends on !PAGE_SIZE_4KB
1770	depends on SYS_SUPPORTS_HIGHMEM
1771	select XPA
1772	select HIGHMEM
1773	select ARCH_PHYS_ADDR_T_64BIT
1774	default n
1775	help
1776	  Choose this option if you want to enable the Extended Physical
1777	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1778	  benefit is to increase physical addressing equal to or greater
1779	  than 40 bits. Note that this has the side effect of turning on
1780	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1781	  If unsure, say 'N' here.
1782
1783if CPU_LOONGSON2F
1784config CPU_NOP_WORKAROUNDS
1785	bool
1786
1787config CPU_JUMP_WORKAROUNDS
1788	bool
1789
1790config CPU_LOONGSON2F_WORKAROUNDS
1791	bool "Loongson 2F Workarounds"
1792	default y
1793	select CPU_NOP_WORKAROUNDS
1794	select CPU_JUMP_WORKAROUNDS
1795	help
1796	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1797	  require workarounds.  Without workarounds the system may hang
1798	  unexpectedly.  For more information please refer to the gas
1799	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1800
1801	  Loongson 2F03 and later have fixed these issues and no workarounds
1802	  are needed.  The workarounds have no significant side effect on them
1803	  but may decrease the performance of the system so this option should
1804	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1805	  systems.
1806
1807	  If unsure, please say Y.
1808endif # CPU_LOONGSON2F
1809
1810config SYS_SUPPORTS_ZBOOT
1811	bool
1812	select HAVE_KERNEL_GZIP
1813	select HAVE_KERNEL_BZIP2
1814	select HAVE_KERNEL_LZ4
1815	select HAVE_KERNEL_LZMA
1816	select HAVE_KERNEL_LZO
1817	select HAVE_KERNEL_XZ
1818
1819config SYS_SUPPORTS_ZBOOT_UART16550
1820	bool
1821	select SYS_SUPPORTS_ZBOOT
1822
1823config SYS_SUPPORTS_ZBOOT_UART_PROM
1824	bool
1825	select SYS_SUPPORTS_ZBOOT
1826
1827config CPU_LOONGSON2
1828	bool
1829	select CPU_SUPPORTS_32BIT_KERNEL
1830	select CPU_SUPPORTS_64BIT_KERNEL
1831	select CPU_SUPPORTS_HIGHMEM
1832	select CPU_SUPPORTS_HUGEPAGES
1833
1834config CPU_LOONGSON1
1835	bool
1836	select CPU_MIPS32
1837	select CPU_MIPSR2
1838	select CPU_HAS_PREFETCH
1839	select CPU_SUPPORTS_32BIT_KERNEL
1840	select CPU_SUPPORTS_HIGHMEM
1841	select CPU_SUPPORTS_CPUFREQ
1842
1843config CPU_BMIPS32_3300
1844	select SMP_UP if SMP
1845	bool
1846
1847config CPU_BMIPS4350
1848	bool
1849	select SYS_SUPPORTS_SMP
1850	select SYS_SUPPORTS_HOTPLUG_CPU
1851
1852config CPU_BMIPS4380
1853	bool
1854	select MIPS_L1_CACHE_SHIFT_6
1855	select SYS_SUPPORTS_SMP
1856	select SYS_SUPPORTS_HOTPLUG_CPU
1857	select CPU_HAS_RIXI
1858
1859config CPU_BMIPS5000
1860	bool
1861	select MIPS_CPU_SCACHE
1862	select MIPS_L1_CACHE_SHIFT_7
1863	select SYS_SUPPORTS_SMP
1864	select SYS_SUPPORTS_HOTPLUG_CPU
1865	select CPU_HAS_RIXI
1866
1867config SYS_HAS_CPU_LOONGSON3
1868	bool
1869	select CPU_SUPPORTS_CPUFREQ
1870	select CPU_HAS_RIXI
1871
1872config SYS_HAS_CPU_LOONGSON2E
1873	bool
1874
1875config SYS_HAS_CPU_LOONGSON2F
1876	bool
1877	select CPU_SUPPORTS_CPUFREQ
1878	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1879	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1880
1881config SYS_HAS_CPU_LOONGSON1B
1882	bool
1883
1884config SYS_HAS_CPU_LOONGSON1C
1885	bool
1886
1887config SYS_HAS_CPU_MIPS32_R1
1888	bool
1889
1890config SYS_HAS_CPU_MIPS32_R2
1891	bool
1892
1893config SYS_HAS_CPU_MIPS32_R3_5
1894	bool
1895
1896config SYS_HAS_CPU_MIPS32_R5
1897	bool
1898
1899config SYS_HAS_CPU_MIPS32_R6
1900	bool
1901
1902config SYS_HAS_CPU_MIPS64_R1
1903	bool
1904
1905config SYS_HAS_CPU_MIPS64_R2
1906	bool
1907
1908config SYS_HAS_CPU_MIPS64_R6
1909	bool
1910
1911config SYS_HAS_CPU_R3000
1912	bool
1913
1914config SYS_HAS_CPU_TX39XX
1915	bool
1916
1917config SYS_HAS_CPU_VR41XX
1918	bool
1919
1920config SYS_HAS_CPU_R4300
1921	bool
1922
1923config SYS_HAS_CPU_R4X00
1924	bool
1925
1926config SYS_HAS_CPU_TX49XX
1927	bool
1928
1929config SYS_HAS_CPU_R5000
1930	bool
1931
1932config SYS_HAS_CPU_R5432
1933	bool
1934
1935config SYS_HAS_CPU_R5500
1936	bool
1937
1938config SYS_HAS_CPU_NEVADA
1939	bool
1940
1941config SYS_HAS_CPU_R8000
1942	bool
1943
1944config SYS_HAS_CPU_R10000
1945	bool
1946
1947config SYS_HAS_CPU_RM7000
1948	bool
1949
1950config SYS_HAS_CPU_SB1
1951	bool
1952
1953config SYS_HAS_CPU_CAVIUM_OCTEON
1954	bool
1955
1956config SYS_HAS_CPU_BMIPS
1957	bool
1958
1959config SYS_HAS_CPU_BMIPS32_3300
1960	bool
1961	select SYS_HAS_CPU_BMIPS
1962
1963config SYS_HAS_CPU_BMIPS4350
1964	bool
1965	select SYS_HAS_CPU_BMIPS
1966
1967config SYS_HAS_CPU_BMIPS4380
1968	bool
1969	select SYS_HAS_CPU_BMIPS
1970
1971config SYS_HAS_CPU_BMIPS5000
1972	bool
1973	select SYS_HAS_CPU_BMIPS
1974
1975config SYS_HAS_CPU_XLR
1976	bool
1977
1978config SYS_HAS_CPU_XLP
1979	bool
1980
1981config MIPS_MALTA_PM
1982	depends on MIPS_MALTA
1983	depends on PCI
1984	bool
1985	default y
1986
1987#
1988# CPU may reorder R->R, R->W, W->R, W->W
1989# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1990#
1991config WEAK_ORDERING
1992	bool
1993
1994#
1995# CPU may reorder reads and writes beyond LL/SC
1996# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1997#
1998config WEAK_REORDERING_BEYOND_LLSC
1999	bool
2000endmenu
2001
2002#
2003# These two indicate any level of the MIPS32 and MIPS64 architecture
2004#
2005config CPU_MIPS32
2006	bool
2007	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2008
2009config CPU_MIPS64
2010	bool
2011	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2012
2013#
2014# These two indicate the revision of the architecture, either Release 1 or Release 2
2015#
2016config CPU_MIPSR1
2017	bool
2018	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2019
2020config CPU_MIPSR2
2021	bool
2022	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2023	select CPU_HAS_RIXI
2024	select MIPS_SPRAM
2025
2026config CPU_MIPSR6
2027	bool
2028	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2029	select CPU_HAS_RIXI
2030	select HAVE_ARCH_BITREVERSE
2031	select MIPS_ASID_BITS_VARIABLE
2032	select MIPS_SPRAM
2033
2034config EVA
2035	bool
2036
2037config XPA
2038	bool
2039
2040config SYS_SUPPORTS_32BIT_KERNEL
2041	bool
2042config SYS_SUPPORTS_64BIT_KERNEL
2043	bool
2044config CPU_SUPPORTS_32BIT_KERNEL
2045	bool
2046config CPU_SUPPORTS_64BIT_KERNEL
2047	bool
2048config CPU_SUPPORTS_CPUFREQ
2049	bool
2050config CPU_SUPPORTS_ADDRWINCFG
2051	bool
2052config CPU_SUPPORTS_HUGEPAGES
2053	bool
2054config CPU_SUPPORTS_UNCACHED_ACCELERATED
2055	bool
2056config MIPS_PGD_C0_CONTEXT
2057	bool
2058	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2059
2060#
2061# Set to y for ptrace access to watch registers.
2062#
2063config HARDWARE_WATCHPOINTS
2064       bool
2065       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2066
2067menu "Kernel type"
2068
2069choice
2070	prompt "Kernel code model"
2071	help
2072	  You should only select this option if you have a workload that
2073	  actually benefits from 64-bit processing or if your machine has
2074	  large memory.  You will only be presented a single option in this
2075	  menu if your system does not support both 32-bit and 64-bit kernels.
2076
2077config 32BIT
2078	bool "32-bit kernel"
2079	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2080	select TRAD_SIGNALS
2081	help
2082	  Select this option if you want to build a 32-bit kernel.
2083
2084config 64BIT
2085	bool "64-bit kernel"
2086	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2087	help
2088	  Select this option if you want to build a 64-bit kernel.
2089
2090endchoice
2091
2092config KVM_GUEST
2093	bool "KVM Guest Kernel"
2094	depends on BROKEN_ON_SMP
2095	help
2096	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2097	  mode.
2098
2099config KVM_GUEST_TIMER_FREQ
2100	int "Count/Compare Timer Frequency (MHz)"
2101	depends on KVM_GUEST
2102	default 100
2103	help
2104	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2105	  emulation when determining guest CPU Frequency. Instead, the guest's
2106	  timer frequency is specified directly.
2107
2108config MIPS_VA_BITS_48
2109	bool "48 bits virtual memory"
2110	depends on 64BIT
2111	help
2112	  Support a maximum at least 48 bits of application virtual
2113	  memory.  Default is 40 bits or less, depending on the CPU.
2114	  For page sizes 16k and above, this option results in a small
2115	  memory overhead for page tables.  For 4k page size, a fourth
2116	  level of page tables is added which imposes both a memory
2117	  overhead as well as slower TLB fault handling.
2118
2119	  If unsure, say N.
2120
2121choice
2122	prompt "Kernel page size"
2123	default PAGE_SIZE_4KB
2124
2125config PAGE_SIZE_4KB
2126	bool "4kB"
2127	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2128	help
2129	 This option select the standard 4kB Linux page size.  On some
2130	 R3000-family processors this is the only available page size.  Using
2131	 4kB page size will minimize memory consumption and is therefore
2132	 recommended for low memory systems.
2133
2134config PAGE_SIZE_8KB
2135	bool "8kB"
2136	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2137	depends on !MIPS_VA_BITS_48
2138	help
2139	  Using 8kB page size will result in higher performance kernel at
2140	  the price of higher memory consumption.  This option is available
2141	  only on R8000 and cnMIPS processors.  Note that you will need a
2142	  suitable Linux distribution to support this.
2143
2144config PAGE_SIZE_16KB
2145	bool "16kB"
2146	depends on !CPU_R3000 && !CPU_TX39XX
2147	help
2148	  Using 16kB page size will result in higher performance kernel at
2149	  the price of higher memory consumption.  This option is available on
2150	  all non-R3000 family processors.  Note that you will need a suitable
2151	  Linux distribution to support this.
2152
2153config PAGE_SIZE_32KB
2154	bool "32kB"
2155	depends on CPU_CAVIUM_OCTEON
2156	depends on !MIPS_VA_BITS_48
2157	help
2158	  Using 32kB page size will result in higher performance kernel at
2159	  the price of higher memory consumption.  This option is available
2160	  only on cnMIPS cores.  Note that you will need a suitable Linux
2161	  distribution to support this.
2162
2163config PAGE_SIZE_64KB
2164	bool "64kB"
2165	depends on !CPU_R3000 && !CPU_TX39XX
2166	help
2167	  Using 64kB page size will result in higher performance kernel at
2168	  the price of higher memory consumption.  This option is available on
2169	  all non-R3000 family processor.  Not that at the time of this
2170	  writing this option is still high experimental.
2171
2172endchoice
2173
2174config FORCE_MAX_ZONEORDER
2175	int "Maximum zone order"
2176	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2177	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2178	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2179	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2180	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2181	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2182	range 11 64
2183	default "11"
2184	help
2185	  The kernel memory allocator divides physically contiguous memory
2186	  blocks into "zones", where each zone is a power of two number of
2187	  pages.  This option selects the largest power of two that the kernel
2188	  keeps in the memory allocator.  If you need to allocate very large
2189	  blocks of physically contiguous memory, then you may need to
2190	  increase this value.
2191
2192	  This config option is actually maximum order plus one. For example,
2193	  a value of 11 means that the largest free memory block is 2^10 pages.
2194
2195	  The page size is not necessarily 4KB.  Keep this in mind
2196	  when choosing a value for this option.
2197
2198config BOARD_SCACHE
2199	bool
2200
2201config IP22_CPU_SCACHE
2202	bool
2203	select BOARD_SCACHE
2204
2205#
2206# Support for a MIPS32 / MIPS64 style S-caches
2207#
2208config MIPS_CPU_SCACHE
2209	bool
2210	select BOARD_SCACHE
2211
2212config R5000_CPU_SCACHE
2213	bool
2214	select BOARD_SCACHE
2215
2216config RM7000_CPU_SCACHE
2217	bool
2218	select BOARD_SCACHE
2219
2220config SIBYTE_DMA_PAGEOPS
2221	bool "Use DMA to clear/copy pages"
2222	depends on CPU_SB1
2223	help
2224	  Instead of using the CPU to zero and copy pages, use a Data Mover
2225	  channel.  These DMA channels are otherwise unused by the standard
2226	  SiByte Linux port.  Seems to give a small performance benefit.
2227
2228config CPU_HAS_PREFETCH
2229	bool
2230
2231config CPU_GENERIC_DUMP_TLB
2232	bool
2233	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2234
2235config CPU_R4K_FPU
2236	bool
2237	default y if !(CPU_R3000 || CPU_TX39XX)
2238
2239config CPU_R4K_CACHE_TLB
2240	bool
2241	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2242
2243config MIPS_MT_SMP
2244	bool "MIPS MT SMP support (1 TC on each available VPE)"
2245	default y
2246	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2247	select CPU_MIPSR2_IRQ_VI
2248	select CPU_MIPSR2_IRQ_EI
2249	select SYNC_R4K
2250	select MIPS_MT
2251	select SMP
2252	select SMP_UP
2253	select SYS_SUPPORTS_SMP
2254	select SYS_SUPPORTS_SCHED_SMT
2255	select MIPS_PERF_SHARED_TC_COUNTERS
2256	help
2257	  This is a kernel model which is known as SMVP. This is supported
2258	  on cores with the MT ASE and uses the available VPEs to implement
2259	  virtual processors which supports SMP. This is equivalent to the
2260	  Intel Hyperthreading feature. For further information go to
2261	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2262
2263config MIPS_MT
2264	bool
2265
2266config SCHED_SMT
2267	bool "SMT (multithreading) scheduler support"
2268	depends on SYS_SUPPORTS_SCHED_SMT
2269	default n
2270	help
2271	  SMT scheduler support improves the CPU scheduler's decision making
2272	  when dealing with MIPS MT enabled cores at a cost of slightly
2273	  increased overhead in some places. If unsure say N here.
2274
2275config SYS_SUPPORTS_SCHED_SMT
2276	bool
2277
2278config SYS_SUPPORTS_MULTITHREADING
2279	bool
2280
2281config MIPS_MT_FPAFF
2282	bool "Dynamic FPU affinity for FP-intensive threads"
2283	default y
2284	depends on MIPS_MT_SMP
2285
2286config MIPSR2_TO_R6_EMULATOR
2287	bool "MIPS R2-to-R6 emulator"
2288	depends on CPU_MIPSR6
2289	default y
2290	help
2291	  Choose this option if you want to run non-R6 MIPS userland code.
2292	  Even if you say 'Y' here, the emulator will still be disabled by
2293	  default. You can enable it using the 'mipsr2emu' kernel option.
2294	  The only reason this is a build-time option is to save ~14K from the
2295	  final kernel image.
2296
2297config SYS_SUPPORTS_VPE_LOADER
2298	bool
2299	depends on SYS_SUPPORTS_MULTITHREADING
2300	help
2301	  Indicates that the platform supports the VPE loader, and provides
2302	  physical_memsize.
2303
2304config MIPS_VPE_LOADER
2305	bool "VPE loader support."
2306	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2307	select CPU_MIPSR2_IRQ_VI
2308	select CPU_MIPSR2_IRQ_EI
2309	select MIPS_MT
2310	help
2311	  Includes a loader for loading an elf relocatable object
2312	  onto another VPE and running it.
2313
2314config MIPS_VPE_LOADER_CMP
2315	bool
2316	default "y"
2317	depends on MIPS_VPE_LOADER && MIPS_CMP
2318
2319config MIPS_VPE_LOADER_MT
2320	bool
2321	default "y"
2322	depends on MIPS_VPE_LOADER && !MIPS_CMP
2323
2324config MIPS_VPE_LOADER_TOM
2325	bool "Load VPE program into memory hidden from linux"
2326	depends on MIPS_VPE_LOADER
2327	default y
2328	help
2329	  The loader can use memory that is present but has been hidden from
2330	  Linux using the kernel command line option "mem=xxMB". It's up to
2331	  you to ensure the amount you put in the option and the space your
2332	  program requires is less or equal to the amount physically present.
2333
2334config MIPS_VPE_APSP_API
2335	bool "Enable support for AP/SP API (RTLX)"
2336	depends on MIPS_VPE_LOADER
2337
2338config MIPS_VPE_APSP_API_CMP
2339	bool
2340	default "y"
2341	depends on MIPS_VPE_APSP_API && MIPS_CMP
2342
2343config MIPS_VPE_APSP_API_MT
2344	bool
2345	default "y"
2346	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2347
2348config MIPS_CMP
2349	bool "MIPS CMP framework support (DEPRECATED)"
2350	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2351	select SMP
2352	select SYNC_R4K
2353	select SYS_SUPPORTS_SMP
2354	select WEAK_ORDERING
2355	default n
2356	help
2357	  Select this if you are using a bootloader which implements the "CMP
2358	  framework" protocol (ie. YAMON) and want your kernel to make use of
2359	  its ability to start secondary CPUs.
2360
2361	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2362	  instead of this.
2363
2364config MIPS_CPS
2365	bool "MIPS Coherent Processing System support"
2366	depends on SYS_SUPPORTS_MIPS_CPS
2367	select MIPS_CM
2368	select MIPS_CPS_PM if HOTPLUG_CPU
2369	select SMP
2370	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2371	select SYS_SUPPORTS_HOTPLUG_CPU
2372	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2373	select SYS_SUPPORTS_SMP
2374	select WEAK_ORDERING
2375	help
2376	  Select this if you wish to run an SMP kernel across multiple cores
2377	  within a MIPS Coherent Processing System. When this option is
2378	  enabled the kernel will probe for other cores and boot them with
2379	  no external assistance. It is safe to enable this when hardware
2380	  support is unavailable.
2381
2382config MIPS_CPS_PM
2383	depends on MIPS_CPS
2384	bool
2385
2386config MIPS_CM
2387	bool
2388	select MIPS_CPC
2389
2390config MIPS_CPC
2391	bool
2392
2393config SB1_PASS_2_WORKAROUNDS
2394	bool
2395	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2396	default y
2397
2398config SB1_PASS_2_1_WORKAROUNDS
2399	bool
2400	depends on CPU_SB1 && CPU_SB1_PASS_2
2401	default y
2402
2403
2404config ARCH_PHYS_ADDR_T_64BIT
2405       bool
2406
2407choice
2408	prompt "SmartMIPS or microMIPS ASE support"
2409
2410config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2411	bool "None"
2412	help
2413	  Select this if you want neither microMIPS nor SmartMIPS support
2414
2415config CPU_HAS_SMARTMIPS
2416	depends on SYS_SUPPORTS_SMARTMIPS
2417	bool "SmartMIPS"
2418	help
2419	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2420	  increased security at both hardware and software level for
2421	  smartcards.  Enabling this option will allow proper use of the
2422	  SmartMIPS instructions by Linux applications.  However a kernel with
2423	  this option will not work on a MIPS core without SmartMIPS core.  If
2424	  you don't know you probably don't have SmartMIPS and should say N
2425	  here.
2426
2427config CPU_MICROMIPS
2428	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2429	bool "microMIPS"
2430	help
2431	  When this option is enabled the kernel will be built using the
2432	  microMIPS ISA
2433
2434endchoice
2435
2436config CPU_HAS_MSA
2437	bool "Support for the MIPS SIMD Architecture"
2438	depends on CPU_SUPPORTS_MSA
2439	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2440	help
2441	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2442	  and a set of SIMD instructions to operate on them. When this option
2443	  is enabled the kernel will support allocating & switching MSA
2444	  vector register contexts. If you know that your kernel will only be
2445	  running on CPUs which do not support MSA or that your userland will
2446	  not be making use of it then you may wish to say N here to reduce
2447	  the size & complexity of your kernel.
2448
2449	  If unsure, say Y.
2450
2451config CPU_HAS_WB
2452	bool
2453
2454config XKS01
2455	bool
2456
2457config CPU_HAS_RIXI
2458	bool
2459
2460#
2461# Vectored interrupt mode is an R2 feature
2462#
2463config CPU_MIPSR2_IRQ_VI
2464	bool
2465
2466#
2467# Extended interrupt mode is an R2 feature
2468#
2469config CPU_MIPSR2_IRQ_EI
2470	bool
2471
2472config CPU_HAS_SYNC
2473	bool
2474	depends on !CPU_R3000
2475	default y
2476
2477#
2478# CPU non-features
2479#
2480config CPU_DADDI_WORKAROUNDS
2481	bool
2482
2483config CPU_R4000_WORKAROUNDS
2484	bool
2485	select CPU_R4400_WORKAROUNDS
2486
2487config CPU_R4400_WORKAROUNDS
2488	bool
2489
2490config MIPS_ASID_SHIFT
2491	int
2492	default 6 if CPU_R3000 || CPU_TX39XX
2493	default 4 if CPU_R8000
2494	default 0
2495
2496config MIPS_ASID_BITS
2497	int
2498	default 0 if MIPS_ASID_BITS_VARIABLE
2499	default 6 if CPU_R3000 || CPU_TX39XX
2500	default 8
2501
2502config MIPS_ASID_BITS_VARIABLE
2503	bool
2504
2505#
2506# - Highmem only makes sense for the 32-bit kernel.
2507# - The current highmem code will only work properly on physically indexed
2508#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2509#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2510#   moment we protect the user and offer the highmem option only on machines
2511#   where it's known to be safe.  This will not offer highmem on a few systems
2512#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2513#   indexed CPUs but we're playing safe.
2514# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2515#   know they might have memory configurations that could make use of highmem
2516#   support.
2517#
2518config HIGHMEM
2519	bool "High Memory Support"
2520	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2521
2522config CPU_SUPPORTS_HIGHMEM
2523	bool
2524
2525config SYS_SUPPORTS_HIGHMEM
2526	bool
2527
2528config SYS_SUPPORTS_SMARTMIPS
2529	bool
2530
2531config SYS_SUPPORTS_MICROMIPS
2532	bool
2533
2534config SYS_SUPPORTS_MIPS16
2535	bool
2536	help
2537	  This option must be set if a kernel might be executed on a MIPS16-
2538	  enabled CPU even if MIPS16 is not actually being used.  In other
2539	  words, it makes the kernel MIPS16-tolerant.
2540
2541config CPU_SUPPORTS_MSA
2542	bool
2543
2544config ARCH_FLATMEM_ENABLE
2545	def_bool y
2546	depends on !NUMA && !CPU_LOONGSON2
2547
2548config ARCH_DISCONTIGMEM_ENABLE
2549	bool
2550	default y if SGI_IP27
2551	help
2552	  Say Y to support efficient handling of discontiguous physical memory,
2553	  for architectures which are either NUMA (Non-Uniform Memory Access)
2554	  or have huge holes in the physical address space for other reasons.
2555	  See <file:Documentation/vm/numa> for more.
2556
2557config ARCH_SPARSEMEM_ENABLE
2558	bool
2559	select SPARSEMEM_STATIC
2560
2561config NUMA
2562	bool "NUMA Support"
2563	depends on SYS_SUPPORTS_NUMA
2564	help
2565	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2566	  Access).  This option improves performance on systems with more
2567	  than two nodes; on two node systems it is generally better to
2568	  leave it disabled; on single node systems disable this option
2569	  disabled.
2570
2571config SYS_SUPPORTS_NUMA
2572	bool
2573
2574config RELOCATABLE
2575	bool "Relocatable kernel"
2576	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2577	help
2578	  This builds a kernel image that retains relocation information
2579	  so it can be loaded someplace besides the default 1MB.
2580	  The relocations make the kernel binary about 15% larger,
2581	  but are discarded at runtime
2582
2583config RELOCATION_TABLE_SIZE
2584	hex "Relocation table size"
2585	depends on RELOCATABLE
2586	range 0x0 0x01000000
2587	default "0x00100000"
2588	---help---
2589	  A table of relocation data will be appended to the kernel binary
2590	  and parsed at boot to fix up the relocated kernel.
2591
2592	  This option allows the amount of space reserved for the table to be
2593	  adjusted, although the default of 1Mb should be ok in most cases.
2594
2595	  The build will fail and a valid size suggested if this is too small.
2596
2597	  If unsure, leave at the default value.
2598
2599config RANDOMIZE_BASE
2600	bool "Randomize the address of the kernel image"
2601	depends on RELOCATABLE
2602	---help---
2603	   Randomizes the physical and virtual address at which the
2604	   kernel image is loaded, as a security feature that
2605	   deters exploit attempts relying on knowledge of the location
2606	   of kernel internals.
2607
2608	   Entropy is generated using any coprocessor 0 registers available.
2609
2610	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2611
2612	   If unsure, say N.
2613
2614config RANDOMIZE_BASE_MAX_OFFSET
2615	hex "Maximum kASLR offset" if EXPERT
2616	depends on RANDOMIZE_BASE
2617	range 0x0 0x40000000 if EVA || 64BIT
2618	range 0x0 0x08000000
2619	default "0x01000000"
2620	---help---
2621	  When kASLR is active, this provides the maximum offset that will
2622	  be applied to the kernel image. It should be set according to the
2623	  amount of physical RAM available in the target system minus
2624	  PHYSICAL_START and must be a power of 2.
2625
2626	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2627	  EVA or 64-bit. The default is 16Mb.
2628
2629config NODES_SHIFT
2630	int
2631	default "6"
2632	depends on NEED_MULTIPLE_NODES
2633
2634config HW_PERF_EVENTS
2635	bool "Enable hardware performance counter support for perf events"
2636	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2637	default y
2638	help
2639	  Enable hardware performance counter support for perf events. If
2640	  disabled, perf events will use software events only.
2641
2642source "mm/Kconfig"
2643
2644config SMP
2645	bool "Multi-Processing support"
2646	depends on SYS_SUPPORTS_SMP
2647	help
2648	  This enables support for systems with more than one CPU. If you have
2649	  a system with only one CPU, say N. If you have a system with more
2650	  than one CPU, say Y.
2651
2652	  If you say N here, the kernel will run on uni- and multiprocessor
2653	  machines, but will use only one CPU of a multiprocessor machine. If
2654	  you say Y here, the kernel will run on many, but not all,
2655	  uniprocessor machines. On a uniprocessor machine, the kernel
2656	  will run faster if you say N here.
2657
2658	  People using multiprocessor machines who say Y here should also say
2659	  Y to "Enhanced Real Time Clock Support", below.
2660
2661	  See also the SMP-HOWTO available at
2662	  <http://www.tldp.org/docs.html#howto>.
2663
2664	  If you don't know what to do here, say N.
2665
2666config HOTPLUG_CPU
2667	bool "Support for hot-pluggable CPUs"
2668	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2669	help
2670	  Say Y here to allow turning CPUs off and on. CPUs can be
2671	  controlled through /sys/devices/system/cpu.
2672	  (Note: power management support will enable this option
2673	    automatically on SMP systems. )
2674	  Say N if you want to disable CPU hotplug.
2675
2676config SMP_UP
2677	bool
2678
2679config SYS_SUPPORTS_MIPS_CMP
2680	bool
2681
2682config SYS_SUPPORTS_MIPS_CPS
2683	bool
2684
2685config SYS_SUPPORTS_SMP
2686	bool
2687
2688config NR_CPUS_DEFAULT_4
2689	bool
2690
2691config NR_CPUS_DEFAULT_8
2692	bool
2693
2694config NR_CPUS_DEFAULT_16
2695	bool
2696
2697config NR_CPUS_DEFAULT_32
2698	bool
2699
2700config NR_CPUS_DEFAULT_64
2701	bool
2702
2703config NR_CPUS
2704	int "Maximum number of CPUs (2-256)"
2705	range 2 256
2706	depends on SMP
2707	default "4" if NR_CPUS_DEFAULT_4
2708	default "8" if NR_CPUS_DEFAULT_8
2709	default "16" if NR_CPUS_DEFAULT_16
2710	default "32" if NR_CPUS_DEFAULT_32
2711	default "64" if NR_CPUS_DEFAULT_64
2712	help
2713	  This allows you to specify the maximum number of CPUs which this
2714	  kernel will support.  The maximum supported value is 32 for 32-bit
2715	  kernel and 64 for 64-bit kernels; the minimum value which makes
2716	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2717	  and 2 for all others.
2718
2719	  This is purely to save memory - each supported CPU adds
2720	  approximately eight kilobytes to the kernel image.  For best
2721	  performance should round up your number of processors to the next
2722	  power of two.
2723
2724config MIPS_PERF_SHARED_TC_COUNTERS
2725	bool
2726
2727config MIPS_NR_CPU_NR_MAP_1024
2728	bool
2729
2730config MIPS_NR_CPU_NR_MAP
2731	int
2732	depends on SMP
2733	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2734	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2735
2736#
2737# Timer Interrupt Frequency Configuration
2738#
2739
2740choice
2741	prompt "Timer frequency"
2742	default HZ_250
2743	help
2744	 Allows the configuration of the timer frequency.
2745
2746	config HZ_24
2747		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2748
2749	config HZ_48
2750		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2751
2752	config HZ_100
2753		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2754
2755	config HZ_128
2756		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2757
2758	config HZ_250
2759		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2760
2761	config HZ_256
2762		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2763
2764	config HZ_1000
2765		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2766
2767	config HZ_1024
2768		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2769
2770endchoice
2771
2772config SYS_SUPPORTS_24HZ
2773	bool
2774
2775config SYS_SUPPORTS_48HZ
2776	bool
2777
2778config SYS_SUPPORTS_100HZ
2779	bool
2780
2781config SYS_SUPPORTS_128HZ
2782	bool
2783
2784config SYS_SUPPORTS_250HZ
2785	bool
2786
2787config SYS_SUPPORTS_256HZ
2788	bool
2789
2790config SYS_SUPPORTS_1000HZ
2791	bool
2792
2793config SYS_SUPPORTS_1024HZ
2794	bool
2795
2796config SYS_SUPPORTS_ARBIT_HZ
2797	bool
2798	default y if !SYS_SUPPORTS_24HZ && \
2799		     !SYS_SUPPORTS_48HZ && \
2800		     !SYS_SUPPORTS_100HZ && \
2801		     !SYS_SUPPORTS_128HZ && \
2802		     !SYS_SUPPORTS_250HZ && \
2803		     !SYS_SUPPORTS_256HZ && \
2804		     !SYS_SUPPORTS_1000HZ && \
2805		     !SYS_SUPPORTS_1024HZ
2806
2807config HZ
2808	int
2809	default 24 if HZ_24
2810	default 48 if HZ_48
2811	default 100 if HZ_100
2812	default 128 if HZ_128
2813	default 250 if HZ_250
2814	default 256 if HZ_256
2815	default 1000 if HZ_1000
2816	default 1024 if HZ_1024
2817
2818config SCHED_HRTICK
2819	def_bool HIGH_RES_TIMERS
2820
2821source "kernel/Kconfig.preempt"
2822
2823config KEXEC
2824	bool "Kexec system call"
2825	select KEXEC_CORE
2826	help
2827	  kexec is a system call that implements the ability to shutdown your
2828	  current kernel, and to start another kernel.  It is like a reboot
2829	  but it is independent of the system firmware.   And like a reboot
2830	  you can start any kernel with it, not just Linux.
2831
2832	  The name comes from the similarity to the exec system call.
2833
2834	  It is an ongoing process to be certain the hardware in a machine
2835	  is properly shutdown, so do not be surprised if this code does not
2836	  initially work for you.  As of this writing the exact hardware
2837	  interface is strongly in flux, so no good recommendation can be
2838	  made.
2839
2840config CRASH_DUMP
2841	bool "Kernel crash dumps"
2842	help
2843	  Generate crash dump after being started by kexec.
2844	  This should be normally only set in special crash dump kernels
2845	  which are loaded in the main kernel with kexec-tools into
2846	  a specially reserved region and then later executed after
2847	  a crash by kdump/kexec. The crash dump kernel must be compiled
2848	  to a memory address not used by the main kernel or firmware using
2849	  PHYSICAL_START.
2850
2851config PHYSICAL_START
2852	hex "Physical address where the kernel is loaded"
2853	default "0xffffffff84000000" if 64BIT
2854	default "0x84000000" if 32BIT
2855	depends on CRASH_DUMP
2856	help
2857	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2858	  If you plan to use kernel for capturing the crash dump change
2859	  this value to start of the reserved region (the "X" value as
2860	  specified in the "crashkernel=YM@XM" command line boot parameter
2861	  passed to the panic-ed kernel).
2862
2863config SECCOMP
2864	bool "Enable seccomp to safely compute untrusted bytecode"
2865	depends on PROC_FS
2866	default y
2867	help
2868	  This kernel feature is useful for number crunching applications
2869	  that may need to compute untrusted bytecode during their
2870	  execution. By using pipes or other transports made available to
2871	  the process as file descriptors supporting the read/write
2872	  syscalls, it's possible to isolate those applications in
2873	  their own address space using seccomp. Once seccomp is
2874	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2875	  and the task is only allowed to execute a few safe syscalls
2876	  defined by each seccomp mode.
2877
2878	  If unsure, say Y. Only embedded should say N here.
2879
2880config MIPS_O32_FP64_SUPPORT
2881	bool "Support for O32 binaries using 64-bit FP"
2882	depends on 32BIT || MIPS32_O32
2883	help
2884	  When this is enabled, the kernel will support use of 64-bit floating
2885	  point registers with binaries using the O32 ABI along with the
2886	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2887	  32-bit MIPS systems this support is at the cost of increasing the
2888	  size and complexity of the compiled FPU emulator. Thus if you are
2889	  running a MIPS32 system and know that none of your userland binaries
2890	  will require 64-bit floating point, you may wish to reduce the size
2891	  of your kernel & potentially improve FP emulation performance by
2892	  saying N here.
2893
2894	  Although binutils currently supports use of this flag the details
2895	  concerning its effect upon the O32 ABI in userland are still being
2896	  worked on. In order to avoid userland becoming dependant upon current
2897	  behaviour before the details have been finalised, this option should
2898	  be considered experimental and only enabled by those working upon
2899	  said details.
2900
2901	  If unsure, say N.
2902
2903config USE_OF
2904	bool
2905	select OF
2906	select OF_EARLY_FLATTREE
2907	select IRQ_DOMAIN
2908
2909config BUILTIN_DTB
2910	bool
2911
2912choice
2913	prompt "Kernel appended dtb support" if USE_OF
2914	default MIPS_NO_APPENDED_DTB
2915
2916	config MIPS_NO_APPENDED_DTB
2917		bool "None"
2918		help
2919		  Do not enable appended dtb support.
2920
2921	config MIPS_ELF_APPENDED_DTB
2922		bool "vmlinux"
2923		help
2924		  With this option, the boot code will look for a device tree binary
2925		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2926		  it is empty and the DTB can be appended using binutils command
2927		  objcopy:
2928
2929		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2930
2931		  This is meant as a backward compatiblity convenience for those
2932		  systems with a bootloader that can't be upgraded to accommodate
2933		  the documented boot protocol using a device tree.
2934
2935	config MIPS_RAW_APPENDED_DTB
2936		bool "vmlinux.bin or vmlinuz.bin"
2937		help
2938		  With this option, the boot code will look for a device tree binary
2939		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2940		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2941
2942		  This is meant as a backward compatibility convenience for those
2943		  systems with a bootloader that can't be upgraded to accommodate
2944		  the documented boot protocol using a device tree.
2945
2946		  Beware that there is very little in terms of protection against
2947		  this option being confused by leftover garbage in memory that might
2948		  look like a DTB header after a reboot if no actual DTB is appended
2949		  to vmlinux.bin.  Do not leave this option active in a production kernel
2950		  if you don't intend to always append a DTB.
2951endchoice
2952
2953choice
2954	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2955	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2956					 !MIPS_MALTA && \
2957					 !CAVIUM_OCTEON_SOC
2958	default MIPS_CMDLINE_FROM_BOOTLOADER
2959
2960	config MIPS_CMDLINE_FROM_DTB
2961		depends on USE_OF
2962		bool "Dtb kernel arguments if available"
2963
2964	config MIPS_CMDLINE_DTB_EXTEND
2965		depends on USE_OF
2966		bool "Extend dtb kernel arguments with bootloader arguments"
2967
2968	config MIPS_CMDLINE_FROM_BOOTLOADER
2969		bool "Bootloader kernel arguments if available"
2970
2971	config MIPS_CMDLINE_BUILTIN_EXTEND
2972		depends on CMDLINE_BOOL
2973		bool "Extend builtin kernel arguments with bootloader arguments"
2974endchoice
2975
2976endmenu
2977
2978config LOCKDEP_SUPPORT
2979	bool
2980	default y
2981
2982config STACKTRACE_SUPPORT
2983	bool
2984	default y
2985
2986config HAVE_LATENCYTOP_SUPPORT
2987	bool
2988	default y
2989
2990config PGTABLE_LEVELS
2991	int
2992	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
2993	default 3 if 64BIT && !PAGE_SIZE_64KB
2994	default 2
2995
2996source "init/Kconfig"
2997
2998source "kernel/Kconfig.freezer"
2999
3000menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3001
3002config HW_HAS_EISA
3003	bool
3004config HW_HAS_PCI
3005	bool
3006
3007config PCI
3008	bool "Support for PCI controller"
3009	depends on HW_HAS_PCI
3010	select PCI_DOMAINS
3011	help
3012	  Find out whether you have a PCI motherboard. PCI is the name of a
3013	  bus system, i.e. the way the CPU talks to the other stuff inside
3014	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3015	  say Y, otherwise N.
3016
3017config HT_PCI
3018	bool "Support for HT-linked PCI"
3019	default y
3020	depends on CPU_LOONGSON3
3021	select PCI
3022	select PCI_DOMAINS
3023	help
3024	  Loongson family machines use Hyper-Transport bus for inter-core
3025	  connection and device connection. The PCI bus is a subordinate
3026	  linked at HT. Choose Y for Loongson-3 based machines.
3027
3028config PCI_DOMAINS
3029	bool
3030
3031config PCI_DOMAINS_GENERIC
3032	bool
3033
3034config PCI_DRIVERS_GENERIC
3035	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3036	bool
3037
3038config PCI_DRIVERS_LEGACY
3039	def_bool !PCI_DRIVERS_GENERIC
3040	select NO_GENERIC_PCI_IOPORT_MAP
3041
3042source "drivers/pci/Kconfig"
3043
3044#
3045# ISA support is now enabled via select.  Too many systems still have the one
3046# or other ISA chip on the board that users don't know about so don't expect
3047# users to choose the right thing ...
3048#
3049config ISA
3050	bool
3051
3052config EISA
3053	bool "EISA support"
3054	depends on HW_HAS_EISA
3055	select ISA
3056	select GENERIC_ISA_DMA
3057	---help---
3058	  The Extended Industry Standard Architecture (EISA) bus was
3059	  developed as an open alternative to the IBM MicroChannel bus.
3060
3061	  The EISA bus provided some of the features of the IBM MicroChannel
3062	  bus while maintaining backward compatibility with cards made for
3063	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3064	  1995 when it was made obsolete by the PCI bus.
3065
3066	  Say Y here if you are building a kernel for an EISA-based machine.
3067
3068	  Otherwise, say N.
3069
3070source "drivers/eisa/Kconfig"
3071
3072config TC
3073	bool "TURBOchannel support"
3074	depends on MACH_DECSTATION
3075	help
3076	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3077	  processors.  TURBOchannel programming specifications are available
3078	  at:
3079	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3080	  and:
3081	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3082	  Linux driver support status is documented at:
3083	  <http://www.linux-mips.org/wiki/DECstation>
3084
3085config MMU
3086	bool
3087	default y
3088
3089config ARCH_MMAP_RND_BITS_MIN
3090	default 12 if 64BIT
3091	default 8
3092
3093config ARCH_MMAP_RND_BITS_MAX
3094	default 18 if 64BIT
3095	default 15
3096
3097config ARCH_MMAP_RND_COMPAT_BITS_MIN
3098       default 8
3099
3100config ARCH_MMAP_RND_COMPAT_BITS_MAX
3101       default 15
3102
3103config I8253
3104	bool
3105	select CLKSRC_I8253
3106	select CLKEVT_I8253
3107	select MIPS_EXTERNAL_TIMER
3108
3109config ZONE_DMA
3110	bool
3111
3112config ZONE_DMA32
3113	bool
3114
3115source "drivers/pcmcia/Kconfig"
3116
3117config RAPIDIO
3118	tristate "RapidIO support"
3119	depends on PCI
3120	default n
3121	help
3122	  If you say Y here, the kernel will include drivers and
3123	  infrastructure code to support RapidIO interconnect devices.
3124
3125source "drivers/rapidio/Kconfig"
3126
3127endmenu
3128
3129menu "Executable file formats"
3130
3131source "fs/Kconfig.binfmt"
3132
3133config TRAD_SIGNALS
3134	bool
3135
3136config MIPS32_COMPAT
3137	bool
3138
3139config COMPAT
3140	bool
3141
3142config SYSVIPC_COMPAT
3143	bool
3144
3145config MIPS32_O32
3146	bool "Kernel support for o32 binaries"
3147	depends on 64BIT
3148	select ARCH_WANT_OLD_COMPAT_IPC
3149	select COMPAT
3150	select MIPS32_COMPAT
3151	select SYSVIPC_COMPAT if SYSVIPC
3152	help
3153	  Select this option if you want to run o32 binaries.  These are pure
3154	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3155	  existing binaries are in this format.
3156
3157	  If unsure, say Y.
3158
3159config MIPS32_N32
3160	bool "Kernel support for n32 binaries"
3161	depends on 64BIT
3162	select COMPAT
3163	select MIPS32_COMPAT
3164	select SYSVIPC_COMPAT if SYSVIPC
3165	help
3166	  Select this option if you want to run n32 binaries.  These are
3167	  64-bit binaries using 32-bit quantities for addressing and certain
3168	  data that would normally be 64-bit.  They are used in special
3169	  cases.
3170
3171	  If unsure, say N.
3172
3173config BINFMT_ELF32
3174	bool
3175	default y if MIPS32_O32 || MIPS32_N32
3176	select ELFCORE
3177
3178endmenu
3179
3180menu "Power management options"
3181
3182config ARCH_HIBERNATION_POSSIBLE
3183	def_bool y
3184	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3185
3186config ARCH_SUSPEND_POSSIBLE
3187	def_bool y
3188	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3189
3190source "kernel/power/Kconfig"
3191
3192endmenu
3193
3194config MIPS_EXTERNAL_TIMER
3195	bool
3196
3197menu "CPU Power Management"
3198
3199if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3200source "drivers/cpufreq/Kconfig"
3201endif
3202
3203source "drivers/cpuidle/Kconfig"
3204
3205endmenu
3206
3207source "net/Kconfig"
3208
3209source "drivers/Kconfig"
3210
3211source "drivers/firmware/Kconfig"
3212
3213source "fs/Kconfig"
3214
3215source "arch/mips/Kconfig.debug"
3216
3217source "security/Kconfig"
3218
3219source "crypto/Kconfig"
3220
3221source "lib/Kconfig"
3222
3223source "arch/mips/kvm/Kconfig"
3224