xref: /openbmc/linux/arch/mips/Kconfig (revision 6a767685)
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	help
204	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
205
206config BMIPS_GENERIC
207	bool "Broadcom Generic BMIPS kernel"
208	select BOOT_RAW
209	select NO_EXCEPT_FILL
210	select USE_OF
211	select CEVT_R4K
212	select CSRC_R4K
213	select SYNC_R4K
214	select COMMON_CLK
215	select BCM6345_L1_IRQ
216	select BCM7038_L1_IRQ
217	select BCM7120_L2_IRQ
218	select BRCMSTB_L2_IRQ
219	select IRQ_MIPS_CPU
220	select DMA_NONCOHERENT
221	select SYS_SUPPORTS_32BIT_KERNEL
222	select SYS_SUPPORTS_LITTLE_ENDIAN
223	select SYS_SUPPORTS_BIG_ENDIAN
224	select SYS_SUPPORTS_HIGHMEM
225	select SYS_HAS_CPU_BMIPS32_3300
226	select SYS_HAS_CPU_BMIPS4350
227	select SYS_HAS_CPU_BMIPS4380
228	select SYS_HAS_CPU_BMIPS5000
229	select SWAP_IO_SPACE
230	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
231	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
232	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
233	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
234	select HARDIRQS_SW_RESEND
235	help
236	  Build a generic DT-based kernel image that boots on select
237	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
238	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
239	  must be set appropriately for your board.
240
241config BCM47XX
242	bool "Broadcom BCM47XX based boards"
243	select BOOT_RAW
244	select CEVT_R4K
245	select CSRC_R4K
246	select DMA_NONCOHERENT
247	select HW_HAS_PCI
248	select IRQ_MIPS_CPU
249	select SYS_HAS_CPU_MIPS32_R1
250	select NO_EXCEPT_FILL
251	select SYS_SUPPORTS_32BIT_KERNEL
252	select SYS_SUPPORTS_LITTLE_ENDIAN
253	select SYS_SUPPORTS_MIPS16
254	select SYS_SUPPORTS_ZBOOT
255	select SYS_HAS_EARLY_PRINTK
256	select USE_GENERIC_EARLY_PRINTK_8250
257	select GPIOLIB
258	select LEDS_GPIO_REGISTER
259	select BCM47XX_NVRAM
260	select BCM47XX_SPROM
261	select BCM47XX_SSB if !BCM47XX_BCMA
262	help
263	 Support for BCM47XX based boards
264
265config BCM63XX
266	bool "Broadcom BCM63XX based boards"
267	select BOOT_RAW
268	select CEVT_R4K
269	select CSRC_R4K
270	select SYNC_R4K
271	select DMA_NONCOHERENT
272	select IRQ_MIPS_CPU
273	select SYS_SUPPORTS_32BIT_KERNEL
274	select SYS_SUPPORTS_BIG_ENDIAN
275	select SYS_HAS_EARLY_PRINTK
276	select SWAP_IO_SPACE
277	select GPIOLIB
278	select HAVE_CLK
279	select MIPS_L1_CACHE_SHIFT_4
280	select CLKDEV_LOOKUP
281	help
282	 Support for BCM63XX based boards
283
284config MIPS_COBALT
285	bool "Cobalt Server"
286	select CEVT_R4K
287	select CSRC_R4K
288	select CEVT_GT641XX
289	select DMA_NONCOHERENT
290	select HW_HAS_PCI
291	select I8253
292	select I8259
293	select IRQ_MIPS_CPU
294	select IRQ_GT641XX
295	select PCI_GT64XXX_PCI0
296	select PCI
297	select SYS_HAS_CPU_NEVADA
298	select SYS_HAS_EARLY_PRINTK
299	select SYS_SUPPORTS_32BIT_KERNEL
300	select SYS_SUPPORTS_64BIT_KERNEL
301	select SYS_SUPPORTS_LITTLE_ENDIAN
302	select USE_GENERIC_EARLY_PRINTK_8250
303
304config MACH_DECSTATION
305	bool "DECstations"
306	select BOOT_ELF32
307	select CEVT_DS1287
308	select CEVT_R4K if CPU_R4X00
309	select CSRC_IOASIC
310	select CSRC_R4K if CPU_R4X00
311	select CPU_DADDI_WORKAROUNDS if 64BIT
312	select CPU_R4000_WORKAROUNDS if 64BIT
313	select CPU_R4400_WORKAROUNDS if 64BIT
314	select DMA_NONCOHERENT
315	select NO_IOPORT_MAP
316	select IRQ_MIPS_CPU
317	select SYS_HAS_CPU_R3000
318	select SYS_HAS_CPU_R4X00
319	select SYS_SUPPORTS_32BIT_KERNEL
320	select SYS_SUPPORTS_64BIT_KERNEL
321	select SYS_SUPPORTS_LITTLE_ENDIAN
322	select SYS_SUPPORTS_128HZ
323	select SYS_SUPPORTS_256HZ
324	select SYS_SUPPORTS_1024HZ
325	select MIPS_L1_CACHE_SHIFT_4
326	help
327	  This enables support for DEC's MIPS based workstations.  For details
328	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
329	  DECstation porting pages on <http://decstation.unix-ag.org/>.
330
331	  If you have one of the following DECstation Models you definitely
332	  want to choose R4xx0 for the CPU Type:
333
334		DECstation 5000/50
335		DECstation 5000/150
336		DECstation 5000/260
337		DECsystem 5900/260
338
339	  otherwise choose R3000.
340
341config MACH_JAZZ
342	bool "Jazz family of machines"
343	select ARCH_MIGHT_HAVE_PC_PARPORT
344	select ARCH_MIGHT_HAVE_PC_SERIO
345	select FW_ARC
346	select FW_ARC32
347	select ARCH_MAY_HAVE_PC_FDC
348	select CEVT_R4K
349	select CSRC_R4K
350	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
351	select GENERIC_ISA_DMA
352	select HAVE_PCSPKR_PLATFORM
353	select IRQ_MIPS_CPU
354	select I8253
355	select I8259
356	select ISA
357	select SYS_HAS_CPU_R4X00
358	select SYS_SUPPORTS_32BIT_KERNEL
359	select SYS_SUPPORTS_64BIT_KERNEL
360	select SYS_SUPPORTS_100HZ
361	help
362	 This a family of machines based on the MIPS R4030 chipset which was
363	 used by several vendors to build RISC/os and Windows NT workstations.
364	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
365	 Olivetti M700-10 workstations.
366
367config MACH_INGENIC
368	bool "Ingenic SoC based machines"
369	select SYS_SUPPORTS_32BIT_KERNEL
370	select SYS_SUPPORTS_LITTLE_ENDIAN
371	select SYS_SUPPORTS_ZBOOT_UART16550
372	select DMA_NONCOHERENT
373	select IRQ_MIPS_CPU
374	select PINCTRL
375	select GPIOLIB
376	select COMMON_CLK
377	select GENERIC_IRQ_CHIP
378	select BUILTIN_DTB
379	select USE_OF
380	select LIBFDT
381
382config LANTIQ
383	bool "Lantiq based platforms"
384	select DMA_NONCOHERENT
385	select IRQ_MIPS_CPU
386	select CEVT_R4K
387	select CSRC_R4K
388	select SYS_HAS_CPU_MIPS32_R1
389	select SYS_HAS_CPU_MIPS32_R2
390	select SYS_SUPPORTS_BIG_ENDIAN
391	select SYS_SUPPORTS_32BIT_KERNEL
392	select SYS_SUPPORTS_MIPS16
393	select SYS_SUPPORTS_MULTITHREADING
394	select SYS_SUPPORTS_VPE_LOADER
395	select SYS_HAS_EARLY_PRINTK
396	select GPIOLIB
397	select SWAP_IO_SPACE
398	select BOOT_RAW
399	select CLKDEV_LOOKUP
400	select USE_OF
401	select PINCTRL
402	select PINCTRL_LANTIQ
403	select ARCH_HAS_RESET_CONTROLLER
404	select RESET_CONTROLLER
405
406config LASAT
407	bool "LASAT Networks platforms"
408	select CEVT_R4K
409	select CRC32
410	select CSRC_R4K
411	select DMA_NONCOHERENT
412	select SYS_HAS_EARLY_PRINTK
413	select HW_HAS_PCI
414	select IRQ_MIPS_CPU
415	select PCI_GT64XXX_PCI0
416	select MIPS_NILE4
417	select R5000_CPU_SCACHE
418	select SYS_HAS_CPU_R5000
419	select SYS_SUPPORTS_32BIT_KERNEL
420	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
421	select SYS_SUPPORTS_LITTLE_ENDIAN
422
423config MACH_LOONGSON32
424	bool "Loongson-1 family of machines"
425	select SYS_SUPPORTS_ZBOOT
426	help
427	  This enables support for the Loongson-1 family of machines.
428
429	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
430	  the Institute of Computing Technology (ICT), Chinese Academy of
431	  Sciences (CAS).
432
433config MACH_LOONGSON64
434	bool "Loongson-2/3 family of machines"
435	select ARCH_HAS_PHYS_TO_DMA
436	select SYS_SUPPORTS_ZBOOT
437	help
438	  This enables the support of Loongson-2/3 family of machines.
439
440	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
441	  family of multi-core CPUs. They are both 64-bit general-purpose
442	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
443	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
444	  in the People's Republic of China. The chief architect is Professor
445	  Weiwu Hu.
446
447config MACH_PISTACHIO
448	bool "IMG Pistachio SoC based boards"
449	select BOOT_ELF32
450	select BOOT_RAW
451	select CEVT_R4K
452	select CLKSRC_MIPS_GIC
453	select COMMON_CLK
454	select CSRC_R4K
455	select DMA_NONCOHERENT
456	select GPIOLIB
457	select IRQ_MIPS_CPU
458	select LIBFDT
459	select MFD_SYSCON
460	select MIPS_CPU_SCACHE
461	select MIPS_GIC
462	select PINCTRL
463	select REGULATOR
464	select SYS_HAS_CPU_MIPS32_R2
465	select SYS_SUPPORTS_32BIT_KERNEL
466	select SYS_SUPPORTS_LITTLE_ENDIAN
467	select SYS_SUPPORTS_MIPS_CPS
468	select SYS_SUPPORTS_MULTITHREADING
469	select SYS_SUPPORTS_RELOCATABLE
470	select SYS_SUPPORTS_ZBOOT
471	select SYS_HAS_EARLY_PRINTK
472	select USE_GENERIC_EARLY_PRINTK_8250
473	select USE_OF
474	help
475	  This enables support for the IMG Pistachio SoC platform.
476
477config MIPS_MALTA
478	bool "MIPS Malta board"
479	select ARCH_MAY_HAVE_PC_FDC
480	select ARCH_MIGHT_HAVE_PC_PARPORT
481	select ARCH_MIGHT_HAVE_PC_SERIO
482	select BOOT_ELF32
483	select BOOT_RAW
484	select BUILTIN_DTB
485	select CEVT_R4K
486	select CSRC_R4K
487	select CLKSRC_MIPS_GIC
488	select COMMON_CLK
489	select DMA_MAYBE_COHERENT
490	select GENERIC_ISA_DMA
491	select HAVE_PCSPKR_PLATFORM
492	select IRQ_MIPS_CPU
493	select MIPS_GIC
494	select HW_HAS_PCI
495	select I8253
496	select I8259
497	select MIPS_BONITO64
498	select MIPS_CPU_SCACHE
499	select MIPS_L1_CACHE_SHIFT_6
500	select PCI_GT64XXX_PCI0
501	select MIPS_MSC
502	select SMP_UP if SMP
503	select SWAP_IO_SPACE
504	select SYS_HAS_CPU_MIPS32_R1
505	select SYS_HAS_CPU_MIPS32_R2
506	select SYS_HAS_CPU_MIPS32_R3_5
507	select SYS_HAS_CPU_MIPS32_R5
508	select SYS_HAS_CPU_MIPS32_R6
509	select SYS_HAS_CPU_MIPS64_R1
510	select SYS_HAS_CPU_MIPS64_R2
511	select SYS_HAS_CPU_MIPS64_R6
512	select SYS_HAS_CPU_NEVADA
513	select SYS_HAS_CPU_RM7000
514	select SYS_SUPPORTS_32BIT_KERNEL
515	select SYS_SUPPORTS_64BIT_KERNEL
516	select SYS_SUPPORTS_BIG_ENDIAN
517	select SYS_SUPPORTS_HIGHMEM
518	select SYS_SUPPORTS_LITTLE_ENDIAN
519	select SYS_SUPPORTS_MICROMIPS
520	select SYS_SUPPORTS_MIPS_CMP
521	select SYS_SUPPORTS_MIPS_CPS
522	select SYS_SUPPORTS_MIPS16
523	select SYS_SUPPORTS_MULTITHREADING
524	select SYS_SUPPORTS_SMARTMIPS
525	select SYS_SUPPORTS_VPE_LOADER
526	select SYS_SUPPORTS_ZBOOT
527	select SYS_SUPPORTS_RELOCATABLE
528	select USE_OF
529	select LIBFDT
530	select ZONE_DMA32 if 64BIT
531	select BUILTIN_DTB
532	select LIBFDT
533	help
534	  This enables support for the MIPS Technologies Malta evaluation
535	  board.
536
537config MACH_PIC32
538	bool "Microchip PIC32 Family"
539	help
540	  This enables support for the Microchip PIC32 family of platforms.
541
542	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
543	  microcontrollers.
544
545config NEC_MARKEINS
546	bool "NEC EMMA2RH Mark-eins board"
547	select SOC_EMMA2RH
548	select HW_HAS_PCI
549	help
550	  This enables support for the NEC Electronics Mark-eins boards.
551
552config MACH_VR41XX
553	bool "NEC VR4100 series based machines"
554	select CEVT_R4K
555	select CSRC_R4K
556	select SYS_HAS_CPU_VR41XX
557	select SYS_SUPPORTS_MIPS16
558	select GPIOLIB
559
560config NXP_STB220
561	bool "NXP STB220 board"
562	select SOC_PNX833X
563	help
564	 Support for NXP Semiconductors STB220 Development Board.
565
566config NXP_STB225
567	bool "NXP 225 board"
568	select SOC_PNX833X
569	select SOC_PNX8335
570	help
571	 Support for NXP Semiconductors STB225 Development Board.
572
573config PMC_MSP
574	bool "PMC-Sierra MSP chipsets"
575	select CEVT_R4K
576	select CSRC_R4K
577	select DMA_NONCOHERENT
578	select SWAP_IO_SPACE
579	select NO_EXCEPT_FILL
580	select BOOT_RAW
581	select SYS_HAS_CPU_MIPS32_R1
582	select SYS_HAS_CPU_MIPS32_R2
583	select SYS_SUPPORTS_32BIT_KERNEL
584	select SYS_SUPPORTS_BIG_ENDIAN
585	select SYS_SUPPORTS_MIPS16
586	select IRQ_MIPS_CPU
587	select SERIAL_8250
588	select SERIAL_8250_CONSOLE
589	select USB_EHCI_BIG_ENDIAN_MMIO
590	select USB_EHCI_BIG_ENDIAN_DESC
591	help
592	  This adds support for the PMC-Sierra family of Multi-Service
593	  Processor System-On-A-Chips.  These parts include a number
594	  of integrated peripherals, interfaces and DSPs in addition to
595	  a variety of MIPS cores.
596
597config RALINK
598	bool "Ralink based machines"
599	select CEVT_R4K
600	select CSRC_R4K
601	select BOOT_RAW
602	select DMA_NONCOHERENT
603	select IRQ_MIPS_CPU
604	select USE_OF
605	select SYS_HAS_CPU_MIPS32_R1
606	select SYS_HAS_CPU_MIPS32_R2
607	select SYS_SUPPORTS_32BIT_KERNEL
608	select SYS_SUPPORTS_LITTLE_ENDIAN
609	select SYS_SUPPORTS_MIPS16
610	select SYS_HAS_EARLY_PRINTK
611	select CLKDEV_LOOKUP
612	select ARCH_HAS_RESET_CONTROLLER
613	select RESET_CONTROLLER
614
615config SGI_IP22
616	bool "SGI IP22 (Indy/Indigo2)"
617	select FW_ARC
618	select FW_ARC32
619	select ARCH_MIGHT_HAVE_PC_SERIO
620	select BOOT_ELF32
621	select CEVT_R4K
622	select CSRC_R4K
623	select DEFAULT_SGI_PARTITION
624	select DMA_NONCOHERENT
625	select HW_HAS_EISA
626	select I8253
627	select I8259
628	select IP22_CPU_SCACHE
629	select IRQ_MIPS_CPU
630	select GENERIC_ISA_DMA_SUPPORT_BROKEN
631	select SGI_HAS_I8042
632	select SGI_HAS_INDYDOG
633	select SGI_HAS_HAL2
634	select SGI_HAS_SEEQ
635	select SGI_HAS_WD93
636	select SGI_HAS_ZILOG
637	select SWAP_IO_SPACE
638	select SYS_HAS_CPU_R4X00
639	select SYS_HAS_CPU_R5000
640	#
641	# Disable EARLY_PRINTK for now since it leads to overwritten prom
642	# memory during early boot on some machines.
643	#
644	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
645	# for a more details discussion
646	#
647	# select SYS_HAS_EARLY_PRINTK
648	select SYS_SUPPORTS_32BIT_KERNEL
649	select SYS_SUPPORTS_64BIT_KERNEL
650	select SYS_SUPPORTS_BIG_ENDIAN
651	select MIPS_L1_CACHE_SHIFT_7
652	help
653	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
654	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
655	  that runs on these, say Y here.
656
657config SGI_IP27
658	bool "SGI IP27 (Origin200/2000)"
659	select FW_ARC
660	select FW_ARC64
661	select BOOT_ELF64
662	select DEFAULT_SGI_PARTITION
663	select DMA_COHERENT
664	select SYS_HAS_EARLY_PRINTK
665	select HW_HAS_PCI
666	select NR_CPUS_DEFAULT_64
667	select SYS_HAS_CPU_R10000
668	select SYS_SUPPORTS_64BIT_KERNEL
669	select SYS_SUPPORTS_BIG_ENDIAN
670	select SYS_SUPPORTS_NUMA
671	select SYS_SUPPORTS_SMP
672	select MIPS_L1_CACHE_SHIFT_7
673	help
674	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
675	  workstations.  To compile a Linux kernel that runs on these, say Y
676	  here.
677
678config SGI_IP28
679	bool "SGI IP28 (Indigo2 R10k)"
680	select FW_ARC
681	select FW_ARC64
682	select ARCH_MIGHT_HAVE_PC_SERIO
683	select BOOT_ELF64
684	select CEVT_R4K
685	select CSRC_R4K
686	select DEFAULT_SGI_PARTITION
687	select DMA_NONCOHERENT
688	select GENERIC_ISA_DMA_SUPPORT_BROKEN
689	select IRQ_MIPS_CPU
690	select HW_HAS_EISA
691	select I8253
692	select I8259
693	select SGI_HAS_I8042
694	select SGI_HAS_INDYDOG
695	select SGI_HAS_HAL2
696	select SGI_HAS_SEEQ
697	select SGI_HAS_WD93
698	select SGI_HAS_ZILOG
699	select SWAP_IO_SPACE
700	select SYS_HAS_CPU_R10000
701	#
702	# Disable EARLY_PRINTK for now since it leads to overwritten prom
703	# memory during early boot on some machines.
704	#
705	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
706	# for a more details discussion
707	#
708	# select SYS_HAS_EARLY_PRINTK
709	select SYS_SUPPORTS_64BIT_KERNEL
710	select SYS_SUPPORTS_BIG_ENDIAN
711	select MIPS_L1_CACHE_SHIFT_7
712      help
713        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
714        kernel that runs on these, say Y here.
715
716config SGI_IP32
717	bool "SGI IP32 (O2)"
718	select FW_ARC
719	select FW_ARC32
720	select BOOT_ELF32
721	select CEVT_R4K
722	select CSRC_R4K
723	select DMA_NONCOHERENT
724	select HW_HAS_PCI
725	select IRQ_MIPS_CPU
726	select R5000_CPU_SCACHE
727	select RM7000_CPU_SCACHE
728	select SYS_HAS_CPU_R5000
729	select SYS_HAS_CPU_R10000 if BROKEN
730	select SYS_HAS_CPU_RM7000
731	select SYS_HAS_CPU_NEVADA
732	select SYS_SUPPORTS_64BIT_KERNEL
733	select SYS_SUPPORTS_BIG_ENDIAN
734	help
735	  If you want this kernel to run on SGI O2 workstation, say Y here.
736
737config SIBYTE_CRHINE
738	bool "Sibyte BCM91120C-CRhine"
739	select BOOT_ELF32
740	select DMA_COHERENT
741	select SIBYTE_BCM1120
742	select SWAP_IO_SPACE
743	select SYS_HAS_CPU_SB1
744	select SYS_SUPPORTS_BIG_ENDIAN
745	select SYS_SUPPORTS_LITTLE_ENDIAN
746
747config SIBYTE_CARMEL
748	bool "Sibyte BCM91120x-Carmel"
749	select BOOT_ELF32
750	select DMA_COHERENT
751	select SIBYTE_BCM1120
752	select SWAP_IO_SPACE
753	select SYS_HAS_CPU_SB1
754	select SYS_SUPPORTS_BIG_ENDIAN
755	select SYS_SUPPORTS_LITTLE_ENDIAN
756
757config SIBYTE_CRHONE
758	bool "Sibyte BCM91125C-CRhone"
759	select BOOT_ELF32
760	select DMA_COHERENT
761	select SIBYTE_BCM1125
762	select SWAP_IO_SPACE
763	select SYS_HAS_CPU_SB1
764	select SYS_SUPPORTS_BIG_ENDIAN
765	select SYS_SUPPORTS_HIGHMEM
766	select SYS_SUPPORTS_LITTLE_ENDIAN
767
768config SIBYTE_RHONE
769	bool "Sibyte BCM91125E-Rhone"
770	select BOOT_ELF32
771	select DMA_COHERENT
772	select SIBYTE_BCM1125H
773	select SWAP_IO_SPACE
774	select SYS_HAS_CPU_SB1
775	select SYS_SUPPORTS_BIG_ENDIAN
776	select SYS_SUPPORTS_LITTLE_ENDIAN
777
778config SIBYTE_SWARM
779	bool "Sibyte BCM91250A-SWARM"
780	select BOOT_ELF32
781	select DMA_COHERENT
782	select HAVE_PATA_PLATFORM
783	select SIBYTE_SB1250
784	select SWAP_IO_SPACE
785	select SYS_HAS_CPU_SB1
786	select SYS_SUPPORTS_BIG_ENDIAN
787	select SYS_SUPPORTS_HIGHMEM
788	select SYS_SUPPORTS_LITTLE_ENDIAN
789	select ZONE_DMA32 if 64BIT
790
791config SIBYTE_LITTLESUR
792	bool "Sibyte BCM91250C2-LittleSur"
793	select BOOT_ELF32
794	select DMA_COHERENT
795	select HAVE_PATA_PLATFORM
796	select SIBYTE_SB1250
797	select SWAP_IO_SPACE
798	select SYS_HAS_CPU_SB1
799	select SYS_SUPPORTS_BIG_ENDIAN
800	select SYS_SUPPORTS_HIGHMEM
801	select SYS_SUPPORTS_LITTLE_ENDIAN
802
803config SIBYTE_SENTOSA
804	bool "Sibyte BCM91250E-Sentosa"
805	select BOOT_ELF32
806	select DMA_COHERENT
807	select SIBYTE_SB1250
808	select SWAP_IO_SPACE
809	select SYS_HAS_CPU_SB1
810	select SYS_SUPPORTS_BIG_ENDIAN
811	select SYS_SUPPORTS_LITTLE_ENDIAN
812
813config SIBYTE_BIGSUR
814	bool "Sibyte BCM91480B-BigSur"
815	select BOOT_ELF32
816	select DMA_COHERENT
817	select NR_CPUS_DEFAULT_4
818	select SIBYTE_BCM1x80
819	select SWAP_IO_SPACE
820	select SYS_HAS_CPU_SB1
821	select SYS_SUPPORTS_BIG_ENDIAN
822	select SYS_SUPPORTS_HIGHMEM
823	select SYS_SUPPORTS_LITTLE_ENDIAN
824	select ZONE_DMA32 if 64BIT
825
826config SNI_RM
827	bool "SNI RM200/300/400"
828	select FW_ARC if CPU_LITTLE_ENDIAN
829	select FW_ARC32 if CPU_LITTLE_ENDIAN
830	select FW_SNIPROM if CPU_BIG_ENDIAN
831	select ARCH_MAY_HAVE_PC_FDC
832	select ARCH_MIGHT_HAVE_PC_PARPORT
833	select ARCH_MIGHT_HAVE_PC_SERIO
834	select BOOT_ELF32
835	select CEVT_R4K
836	select CSRC_R4K
837	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
838	select DMA_NONCOHERENT
839	select GENERIC_ISA_DMA
840	select HAVE_PCSPKR_PLATFORM
841	select HW_HAS_EISA
842	select HW_HAS_PCI
843	select IRQ_MIPS_CPU
844	select I8253
845	select I8259
846	select ISA
847	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
848	select SYS_HAS_CPU_R4X00
849	select SYS_HAS_CPU_R5000
850	select SYS_HAS_CPU_R10000
851	select R5000_CPU_SCACHE
852	select SYS_HAS_EARLY_PRINTK
853	select SYS_SUPPORTS_32BIT_KERNEL
854	select SYS_SUPPORTS_64BIT_KERNEL
855	select SYS_SUPPORTS_BIG_ENDIAN
856	select SYS_SUPPORTS_HIGHMEM
857	select SYS_SUPPORTS_LITTLE_ENDIAN
858	help
859	  The SNI RM200/300/400 are MIPS-based machines manufactured by
860	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
861	  Technology and now in turn merged with Fujitsu.  Say Y here to
862	  support this machine type.
863
864config MACH_TX39XX
865	bool "Toshiba TX39 series based machines"
866
867config MACH_TX49XX
868	bool "Toshiba TX49 series based machines"
869
870config MIKROTIK_RB532
871	bool "Mikrotik RB532 boards"
872	select CEVT_R4K
873	select CSRC_R4K
874	select DMA_NONCOHERENT
875	select HW_HAS_PCI
876	select IRQ_MIPS_CPU
877	select SYS_HAS_CPU_MIPS32_R1
878	select SYS_SUPPORTS_32BIT_KERNEL
879	select SYS_SUPPORTS_LITTLE_ENDIAN
880	select SWAP_IO_SPACE
881	select BOOT_RAW
882	select GPIOLIB
883	select MIPS_L1_CACHE_SHIFT_4
884	help
885	  Support the Mikrotik(tm) RouterBoard 532 series,
886	  based on the IDT RC32434 SoC.
887
888config CAVIUM_OCTEON_SOC
889	bool "Cavium Networks Octeon SoC based boards"
890	select CEVT_R4K
891	select ARCH_HAS_PHYS_TO_DMA
892	select ARCH_PHYS_ADDR_T_64BIT
893	select DMA_COHERENT
894	select SYS_SUPPORTS_64BIT_KERNEL
895	select SYS_SUPPORTS_BIG_ENDIAN
896	select EDAC_SUPPORT
897	select EDAC_ATOMIC_SCRUB
898	select SYS_SUPPORTS_LITTLE_ENDIAN
899	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
900	select SYS_HAS_EARLY_PRINTK
901	select SYS_HAS_CPU_CAVIUM_OCTEON
902	select HW_HAS_PCI
903	select ZONE_DMA32
904	select HOLES_IN_ZONE
905	select GPIOLIB
906	select LIBFDT
907	select USE_OF
908	select ARCH_SPARSEMEM_ENABLE
909	select SYS_SUPPORTS_SMP
910	select NR_CPUS_DEFAULT_64
911	select MIPS_NR_CPU_NR_MAP_1024
912	select BUILTIN_DTB
913	select MTD_COMPLEX_MAPPINGS
914	select SYS_SUPPORTS_RELOCATABLE
915	help
916	  This option supports all of the Octeon reference boards from Cavium
917	  Networks. It builds a kernel that dynamically determines the Octeon
918	  CPU type and supports all known board reference implementations.
919	  Some of the supported boards are:
920		EBT3000
921		EBH3000
922		EBH3100
923		Thunder
924		Kodama
925		Hikari
926	  Say Y here for most Octeon reference boards.
927
928config NLM_XLR_BOARD
929	bool "Netlogic XLR/XLS based systems"
930	select BOOT_ELF32
931	select NLM_COMMON
932	select SYS_HAS_CPU_XLR
933	select SYS_SUPPORTS_SMP
934	select HW_HAS_PCI
935	select SWAP_IO_SPACE
936	select SYS_SUPPORTS_32BIT_KERNEL
937	select SYS_SUPPORTS_64BIT_KERNEL
938	select ARCH_PHYS_ADDR_T_64BIT
939	select SYS_SUPPORTS_BIG_ENDIAN
940	select SYS_SUPPORTS_HIGHMEM
941	select DMA_COHERENT
942	select NR_CPUS_DEFAULT_32
943	select CEVT_R4K
944	select CSRC_R4K
945	select IRQ_MIPS_CPU
946	select ZONE_DMA32 if 64BIT
947	select SYNC_R4K
948	select SYS_HAS_EARLY_PRINTK
949	select SYS_SUPPORTS_ZBOOT
950	select SYS_SUPPORTS_ZBOOT_UART16550
951	help
952	  Support for systems based on Netlogic XLR and XLS processors.
953	  Say Y here if you have a XLR or XLS based board.
954
955config NLM_XLP_BOARD
956	bool "Netlogic XLP based systems"
957	select BOOT_ELF32
958	select NLM_COMMON
959	select SYS_HAS_CPU_XLP
960	select SYS_SUPPORTS_SMP
961	select HW_HAS_PCI
962	select SYS_SUPPORTS_32BIT_KERNEL
963	select SYS_SUPPORTS_64BIT_KERNEL
964	select ARCH_PHYS_ADDR_T_64BIT
965	select GPIOLIB
966	select SYS_SUPPORTS_BIG_ENDIAN
967	select SYS_SUPPORTS_LITTLE_ENDIAN
968	select SYS_SUPPORTS_HIGHMEM
969	select DMA_COHERENT
970	select NR_CPUS_DEFAULT_32
971	select CEVT_R4K
972	select CSRC_R4K
973	select IRQ_MIPS_CPU
974	select ZONE_DMA32 if 64BIT
975	select SYNC_R4K
976	select SYS_HAS_EARLY_PRINTK
977	select USE_OF
978	select SYS_SUPPORTS_ZBOOT
979	select SYS_SUPPORTS_ZBOOT_UART16550
980	help
981	  This board is based on Netlogic XLP Processor.
982	  Say Y here if you have a XLP based board.
983
984config MIPS_PARAVIRT
985	bool "Para-Virtualized guest system"
986	select CEVT_R4K
987	select CSRC_R4K
988	select DMA_COHERENT
989	select SYS_SUPPORTS_64BIT_KERNEL
990	select SYS_SUPPORTS_32BIT_KERNEL
991	select SYS_SUPPORTS_BIG_ENDIAN
992	select SYS_SUPPORTS_SMP
993	select NR_CPUS_DEFAULT_4
994	select SYS_HAS_EARLY_PRINTK
995	select SYS_HAS_CPU_MIPS32_R2
996	select SYS_HAS_CPU_MIPS64_R2
997	select SYS_HAS_CPU_CAVIUM_OCTEON
998	select HW_HAS_PCI
999	select SWAP_IO_SPACE
1000	help
1001	  This option supports guest running under ????
1002
1003endchoice
1004
1005source "arch/mips/alchemy/Kconfig"
1006source "arch/mips/ath25/Kconfig"
1007source "arch/mips/ath79/Kconfig"
1008source "arch/mips/bcm47xx/Kconfig"
1009source "arch/mips/bcm63xx/Kconfig"
1010source "arch/mips/bmips/Kconfig"
1011source "arch/mips/generic/Kconfig"
1012source "arch/mips/jazz/Kconfig"
1013source "arch/mips/jz4740/Kconfig"
1014source "arch/mips/lantiq/Kconfig"
1015source "arch/mips/lasat/Kconfig"
1016source "arch/mips/pic32/Kconfig"
1017source "arch/mips/pistachio/Kconfig"
1018source "arch/mips/pmcs-msp71xx/Kconfig"
1019source "arch/mips/ralink/Kconfig"
1020source "arch/mips/sgi-ip27/Kconfig"
1021source "arch/mips/sibyte/Kconfig"
1022source "arch/mips/txx9/Kconfig"
1023source "arch/mips/vr41xx/Kconfig"
1024source "arch/mips/cavium-octeon/Kconfig"
1025source "arch/mips/loongson32/Kconfig"
1026source "arch/mips/loongson64/Kconfig"
1027source "arch/mips/netlogic/Kconfig"
1028source "arch/mips/paravirt/Kconfig"
1029
1030endmenu
1031
1032config RWSEM_GENERIC_SPINLOCK
1033	bool
1034	default y
1035
1036config RWSEM_XCHGADD_ALGORITHM
1037	bool
1038
1039config GENERIC_HWEIGHT
1040	bool
1041	default y
1042
1043config GENERIC_CALIBRATE_DELAY
1044	bool
1045	default y
1046
1047config SCHED_OMIT_FRAME_POINTER
1048	bool
1049	default y
1050
1051#
1052# Select some configuration options automatically based on user selections.
1053#
1054config FW_ARC
1055	bool
1056
1057config ARCH_MAY_HAVE_PC_FDC
1058	bool
1059
1060config BOOT_RAW
1061	bool
1062
1063config CEVT_BCM1480
1064	bool
1065
1066config CEVT_DS1287
1067	bool
1068
1069config CEVT_GT641XX
1070	bool
1071
1072config CEVT_R4K
1073	bool
1074
1075config CEVT_SB1250
1076	bool
1077
1078config CEVT_TXX9
1079	bool
1080
1081config CSRC_BCM1480
1082	bool
1083
1084config CSRC_IOASIC
1085	bool
1086
1087config CSRC_R4K
1088	bool
1089
1090config CSRC_SB1250
1091	bool
1092
1093config MIPS_CLOCK_VSYSCALL
1094	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095
1096config GPIO_TXX9
1097	select GPIOLIB
1098	bool
1099
1100config FW_CFE
1101	bool
1102
1103config ARCH_DMA_ADDR_T_64BIT
1104	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1105
1106config ARCH_SUPPORTS_UPROBES
1107	bool
1108
1109config DMA_MAYBE_COHERENT
1110	select DMA_NONCOHERENT
1111	bool
1112
1113config DMA_PERDEV_COHERENT
1114	bool
1115	select DMA_MAYBE_COHERENT
1116
1117config DMA_COHERENT
1118	bool
1119
1120config DMA_NONCOHERENT
1121	bool
1122	select NEED_DMA_MAP_STATE
1123
1124config NEED_DMA_MAP_STATE
1125	bool
1126
1127config SYS_HAS_EARLY_PRINTK
1128	bool
1129
1130config SYS_SUPPORTS_HOTPLUG_CPU
1131	bool
1132
1133config MIPS_BONITO64
1134	bool
1135
1136config MIPS_MSC
1137	bool
1138
1139config MIPS_NILE4
1140	bool
1141
1142config SYNC_R4K
1143	bool
1144
1145config MIPS_MACHINE
1146	def_bool n
1147
1148config NO_IOPORT_MAP
1149	def_bool n
1150
1151config GENERIC_CSUM
1152	bool
1153
1154config GENERIC_ISA_DMA
1155	bool
1156	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1157	select ISA_DMA_API
1158
1159config GENERIC_ISA_DMA_SUPPORT_BROKEN
1160	bool
1161	select GENERIC_ISA_DMA
1162
1163config ISA_DMA_API
1164	bool
1165
1166config HOLES_IN_ZONE
1167	bool
1168
1169config SYS_SUPPORTS_RELOCATABLE
1170	bool
1171	help
1172	 Selected if the platform supports relocating the kernel.
1173	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1174	 to allow access to command line and entropy sources.
1175
1176config MIPS_CBPF_JIT
1177	def_bool y
1178	depends on BPF_JIT && HAVE_CBPF_JIT
1179
1180config MIPS_EBPF_JIT
1181	def_bool y
1182	depends on BPF_JIT && HAVE_EBPF_JIT
1183
1184
1185#
1186# Endianness selection.  Sufficiently obscure so many users don't know what to
1187# answer,so we try hard to limit the available choices.  Also the use of a
1188# choice statement should be more obvious to the user.
1189#
1190choice
1191	prompt "Endianness selection"
1192	help
1193	  Some MIPS machines can be configured for either little or big endian
1194	  byte order. These modes require different kernels and a different
1195	  Linux distribution.  In general there is one preferred byteorder for a
1196	  particular system but some systems are just as commonly used in the
1197	  one or the other endianness.
1198
1199config CPU_BIG_ENDIAN
1200	bool "Big endian"
1201	depends on SYS_SUPPORTS_BIG_ENDIAN
1202
1203config CPU_LITTLE_ENDIAN
1204	bool "Little endian"
1205	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1206
1207endchoice
1208
1209config EXPORT_UASM
1210	bool
1211
1212config SYS_SUPPORTS_APM_EMULATION
1213	bool
1214
1215config SYS_SUPPORTS_BIG_ENDIAN
1216	bool
1217
1218config SYS_SUPPORTS_LITTLE_ENDIAN
1219	bool
1220
1221config SYS_SUPPORTS_HUGETLBFS
1222	bool
1223	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1224	default y
1225
1226config MIPS_HUGE_TLB_SUPPORT
1227	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1228
1229config IRQ_CPU_RM7K
1230	bool
1231
1232config IRQ_MSP_SLP
1233	bool
1234
1235config IRQ_MSP_CIC
1236	bool
1237
1238config IRQ_TXX9
1239	bool
1240
1241config IRQ_GT641XX
1242	bool
1243
1244config PCI_GT64XXX_PCI0
1245	bool
1246
1247config NO_EXCEPT_FILL
1248	bool
1249
1250config SOC_EMMA2RH
1251	bool
1252	select CEVT_R4K
1253	select CSRC_R4K
1254	select DMA_NONCOHERENT
1255	select IRQ_MIPS_CPU
1256	select SWAP_IO_SPACE
1257	select SYS_HAS_CPU_R5500
1258	select SYS_SUPPORTS_32BIT_KERNEL
1259	select SYS_SUPPORTS_64BIT_KERNEL
1260	select SYS_SUPPORTS_BIG_ENDIAN
1261
1262config SOC_PNX833X
1263	bool
1264	select CEVT_R4K
1265	select CSRC_R4K
1266	select IRQ_MIPS_CPU
1267	select DMA_NONCOHERENT
1268	select SYS_HAS_CPU_MIPS32_R2
1269	select SYS_SUPPORTS_32BIT_KERNEL
1270	select SYS_SUPPORTS_LITTLE_ENDIAN
1271	select SYS_SUPPORTS_BIG_ENDIAN
1272	select SYS_SUPPORTS_MIPS16
1273	select CPU_MIPSR2_IRQ_VI
1274
1275config SOC_PNX8335
1276	bool
1277	select SOC_PNX833X
1278
1279config MIPS_SPRAM
1280	bool
1281
1282config SWAP_IO_SPACE
1283	bool
1284
1285config SGI_HAS_INDYDOG
1286	bool
1287
1288config SGI_HAS_HAL2
1289	bool
1290
1291config SGI_HAS_SEEQ
1292	bool
1293
1294config SGI_HAS_WD93
1295	bool
1296
1297config SGI_HAS_ZILOG
1298	bool
1299
1300config SGI_HAS_I8042
1301	bool
1302
1303config DEFAULT_SGI_PARTITION
1304	bool
1305
1306config FW_ARC32
1307	bool
1308
1309config FW_SNIPROM
1310	bool
1311
1312config BOOT_ELF32
1313	bool
1314
1315config MIPS_L1_CACHE_SHIFT_4
1316	bool
1317
1318config MIPS_L1_CACHE_SHIFT_5
1319	bool
1320
1321config MIPS_L1_CACHE_SHIFT_6
1322	bool
1323
1324config MIPS_L1_CACHE_SHIFT_7
1325	bool
1326
1327config MIPS_L1_CACHE_SHIFT
1328	int
1329	default "7" if MIPS_L1_CACHE_SHIFT_7
1330	default "6" if MIPS_L1_CACHE_SHIFT_6
1331	default "5" if MIPS_L1_CACHE_SHIFT_5
1332	default "4" if MIPS_L1_CACHE_SHIFT_4
1333	default "5"
1334
1335config HAVE_STD_PC_SERIAL_PORT
1336	bool
1337
1338config ARC_CONSOLE
1339	bool "ARC console support"
1340	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1341
1342config ARC_MEMORY
1343	bool
1344	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1345	default y
1346
1347config ARC_PROMLIB
1348	bool
1349	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1350	default y
1351
1352config FW_ARC64
1353	bool
1354
1355config BOOT_ELF64
1356	bool
1357
1358menu "CPU selection"
1359
1360choice
1361	prompt "CPU type"
1362	default CPU_R4X00
1363
1364config CPU_LOONGSON3
1365	bool "Loongson 3 CPU"
1366	depends on SYS_HAS_CPU_LOONGSON3
1367	select CPU_SUPPORTS_64BIT_KERNEL
1368	select CPU_SUPPORTS_HIGHMEM
1369	select CPU_SUPPORTS_HUGEPAGES
1370	select WEAK_ORDERING
1371	select WEAK_REORDERING_BEYOND_LLSC
1372	select MIPS_PGD_C0_CONTEXT
1373	select MIPS_L1_CACHE_SHIFT_6
1374	select GPIOLIB
1375	help
1376		The Loongson 3 processor implements the MIPS64R2 instruction
1377		set with many extensions.
1378
1379config LOONGSON3_ENHANCEMENT
1380	bool "New Loongson 3 CPU Enhancements"
1381	default n
1382	select CPU_MIPSR2
1383	select CPU_HAS_PREFETCH
1384	depends on CPU_LOONGSON3
1385	help
1386	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1387	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1388	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1389	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1390	  Fast TLB refill support, etc.
1391
1392	  This option enable those enhancements which are not probed at run
1393	  time. If you want a generic kernel to run on all Loongson 3 machines,
1394	  please say 'N' here. If you want a high-performance kernel to run on
1395	  new Loongson 3 machines only, please say 'Y' here.
1396
1397config CPU_LOONGSON2E
1398	bool "Loongson 2E"
1399	depends on SYS_HAS_CPU_LOONGSON2E
1400	select CPU_LOONGSON2
1401	help
1402	  The Loongson 2E processor implements the MIPS III instruction set
1403	  with many extensions.
1404
1405	  It has an internal FPGA northbridge, which is compatible to
1406	  bonito64.
1407
1408config CPU_LOONGSON2F
1409	bool "Loongson 2F"
1410	depends on SYS_HAS_CPU_LOONGSON2F
1411	select CPU_LOONGSON2
1412	select GPIOLIB
1413	help
1414	  The Loongson 2F processor implements the MIPS III instruction set
1415	  with many extensions.
1416
1417	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1418	  have a similar programming interface with FPGA northbridge used in
1419	  Loongson2E.
1420
1421config CPU_LOONGSON1B
1422	bool "Loongson 1B"
1423	depends on SYS_HAS_CPU_LOONGSON1B
1424	select CPU_LOONGSON1
1425	select LEDS_GPIO_REGISTER
1426	help
1427	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1428	  release 2 instruction set.
1429
1430config CPU_LOONGSON1C
1431	bool "Loongson 1C"
1432	depends on SYS_HAS_CPU_LOONGSON1C
1433	select CPU_LOONGSON1
1434	select LEDS_GPIO_REGISTER
1435	help
1436	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1437	  release 2 instruction set.
1438
1439config CPU_MIPS32_R1
1440	bool "MIPS32 Release 1"
1441	depends on SYS_HAS_CPU_MIPS32_R1
1442	select CPU_HAS_PREFETCH
1443	select CPU_SUPPORTS_32BIT_KERNEL
1444	select CPU_SUPPORTS_HIGHMEM
1445	help
1446	  Choose this option to build a kernel for release 1 or later of the
1447	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1448	  MIPS processor are based on a MIPS32 processor.  If you know the
1449	  specific type of processor in your system, choose those that one
1450	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1451	  Release 2 of the MIPS32 architecture is available since several
1452	  years so chances are you even have a MIPS32 Release 2 processor
1453	  in which case you should choose CPU_MIPS32_R2 instead for better
1454	  performance.
1455
1456config CPU_MIPS32_R2
1457	bool "MIPS32 Release 2"
1458	depends on SYS_HAS_CPU_MIPS32_R2
1459	select CPU_HAS_PREFETCH
1460	select CPU_SUPPORTS_32BIT_KERNEL
1461	select CPU_SUPPORTS_HIGHMEM
1462	select CPU_SUPPORTS_MSA
1463	select HAVE_KVM
1464	help
1465	  Choose this option to build a kernel for release 2 or later of the
1466	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1467	  MIPS processor are based on a MIPS32 processor.  If you know the
1468	  specific type of processor in your system, choose those that one
1469	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1470
1471config CPU_MIPS32_R6
1472	bool "MIPS32 Release 6"
1473	depends on SYS_HAS_CPU_MIPS32_R6
1474	select CPU_HAS_PREFETCH
1475	select CPU_SUPPORTS_32BIT_KERNEL
1476	select CPU_SUPPORTS_HIGHMEM
1477	select CPU_SUPPORTS_MSA
1478	select GENERIC_CSUM
1479	select HAVE_KVM
1480	select MIPS_O32_FP64_SUPPORT
1481	help
1482	  Choose this option to build a kernel for release 6 or later of the
1483	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1484	  family, are based on a MIPS32r6 processor. If you own an older
1485	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1486
1487config CPU_MIPS64_R1
1488	bool "MIPS64 Release 1"
1489	depends on SYS_HAS_CPU_MIPS64_R1
1490	select CPU_HAS_PREFETCH
1491	select CPU_SUPPORTS_32BIT_KERNEL
1492	select CPU_SUPPORTS_64BIT_KERNEL
1493	select CPU_SUPPORTS_HIGHMEM
1494	select CPU_SUPPORTS_HUGEPAGES
1495	help
1496	  Choose this option to build a kernel for release 1 or later of the
1497	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1498	  MIPS processor are based on a MIPS64 processor.  If you know the
1499	  specific type of processor in your system, choose those that one
1500	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1501	  Release 2 of the MIPS64 architecture is available since several
1502	  years so chances are you even have a MIPS64 Release 2 processor
1503	  in which case you should choose CPU_MIPS64_R2 instead for better
1504	  performance.
1505
1506config CPU_MIPS64_R2
1507	bool "MIPS64 Release 2"
1508	depends on SYS_HAS_CPU_MIPS64_R2
1509	select CPU_HAS_PREFETCH
1510	select CPU_SUPPORTS_32BIT_KERNEL
1511	select CPU_SUPPORTS_64BIT_KERNEL
1512	select CPU_SUPPORTS_HIGHMEM
1513	select CPU_SUPPORTS_HUGEPAGES
1514	select CPU_SUPPORTS_MSA
1515	select HAVE_KVM
1516	help
1517	  Choose this option to build a kernel for release 2 or later of the
1518	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1519	  MIPS processor are based on a MIPS64 processor.  If you know the
1520	  specific type of processor in your system, choose those that one
1521	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1522
1523config CPU_MIPS64_R6
1524	bool "MIPS64 Release 6"
1525	depends on SYS_HAS_CPU_MIPS64_R6
1526	select CPU_HAS_PREFETCH
1527	select CPU_SUPPORTS_32BIT_KERNEL
1528	select CPU_SUPPORTS_64BIT_KERNEL
1529	select CPU_SUPPORTS_HIGHMEM
1530	select CPU_SUPPORTS_MSA
1531	select GENERIC_CSUM
1532	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1533	select HAVE_KVM
1534	help
1535	  Choose this option to build a kernel for release 6 or later of the
1536	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1537	  family, are based on a MIPS64r6 processor. If you own an older
1538	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1539
1540config CPU_R3000
1541	bool "R3000"
1542	depends on SYS_HAS_CPU_R3000
1543	select CPU_HAS_WB
1544	select CPU_SUPPORTS_32BIT_KERNEL
1545	select CPU_SUPPORTS_HIGHMEM
1546	help
1547	  Please make sure to pick the right CPU type. Linux/MIPS is not
1548	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1549	  *not* work on R4000 machines and vice versa.  However, since most
1550	  of the supported machines have an R4000 (or similar) CPU, R4x00
1551	  might be a safe bet.  If the resulting kernel does not work,
1552	  try to recompile with R3000.
1553
1554config CPU_TX39XX
1555	bool "R39XX"
1556	depends on SYS_HAS_CPU_TX39XX
1557	select CPU_SUPPORTS_32BIT_KERNEL
1558
1559config CPU_VR41XX
1560	bool "R41xx"
1561	depends on SYS_HAS_CPU_VR41XX
1562	select CPU_SUPPORTS_32BIT_KERNEL
1563	select CPU_SUPPORTS_64BIT_KERNEL
1564	help
1565	  The options selects support for the NEC VR4100 series of processors.
1566	  Only choose this option if you have one of these processors as a
1567	  kernel built with this option will not run on any other type of
1568	  processor or vice versa.
1569
1570config CPU_R4300
1571	bool "R4300"
1572	depends on SYS_HAS_CPU_R4300
1573	select CPU_SUPPORTS_32BIT_KERNEL
1574	select CPU_SUPPORTS_64BIT_KERNEL
1575	help
1576	  MIPS Technologies R4300-series processors.
1577
1578config CPU_R4X00
1579	bool "R4x00"
1580	depends on SYS_HAS_CPU_R4X00
1581	select CPU_SUPPORTS_32BIT_KERNEL
1582	select CPU_SUPPORTS_64BIT_KERNEL
1583	select CPU_SUPPORTS_HUGEPAGES
1584	help
1585	  MIPS Technologies R4000-series processors other than 4300, including
1586	  the R4000, R4400, R4600, and 4700.
1587
1588config CPU_TX49XX
1589	bool "R49XX"
1590	depends on SYS_HAS_CPU_TX49XX
1591	select CPU_HAS_PREFETCH
1592	select CPU_SUPPORTS_32BIT_KERNEL
1593	select CPU_SUPPORTS_64BIT_KERNEL
1594	select CPU_SUPPORTS_HUGEPAGES
1595
1596config CPU_R5000
1597	bool "R5000"
1598	depends on SYS_HAS_CPU_R5000
1599	select CPU_SUPPORTS_32BIT_KERNEL
1600	select CPU_SUPPORTS_64BIT_KERNEL
1601	select CPU_SUPPORTS_HUGEPAGES
1602	help
1603	  MIPS Technologies R5000-series processors other than the Nevada.
1604
1605config CPU_R5432
1606	bool "R5432"
1607	depends on SYS_HAS_CPU_R5432
1608	select CPU_SUPPORTS_32BIT_KERNEL
1609	select CPU_SUPPORTS_64BIT_KERNEL
1610	select CPU_SUPPORTS_HUGEPAGES
1611
1612config CPU_R5500
1613	bool "R5500"
1614	depends on SYS_HAS_CPU_R5500
1615	select CPU_SUPPORTS_32BIT_KERNEL
1616	select CPU_SUPPORTS_64BIT_KERNEL
1617	select CPU_SUPPORTS_HUGEPAGES
1618	help
1619	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1620	  instruction set.
1621
1622config CPU_NEVADA
1623	bool "RM52xx"
1624	depends on SYS_HAS_CPU_NEVADA
1625	select CPU_SUPPORTS_32BIT_KERNEL
1626	select CPU_SUPPORTS_64BIT_KERNEL
1627	select CPU_SUPPORTS_HUGEPAGES
1628	help
1629	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1630
1631config CPU_R8000
1632	bool "R8000"
1633	depends on SYS_HAS_CPU_R8000
1634	select CPU_HAS_PREFETCH
1635	select CPU_SUPPORTS_64BIT_KERNEL
1636	help
1637	  MIPS Technologies R8000 processors.  Note these processors are
1638	  uncommon and the support for them is incomplete.
1639
1640config CPU_R10000
1641	bool "R10000"
1642	depends on SYS_HAS_CPU_R10000
1643	select CPU_HAS_PREFETCH
1644	select CPU_SUPPORTS_32BIT_KERNEL
1645	select CPU_SUPPORTS_64BIT_KERNEL
1646	select CPU_SUPPORTS_HIGHMEM
1647	select CPU_SUPPORTS_HUGEPAGES
1648	help
1649	  MIPS Technologies R10000-series processors.
1650
1651config CPU_RM7000
1652	bool "RM7000"
1653	depends on SYS_HAS_CPU_RM7000
1654	select CPU_HAS_PREFETCH
1655	select CPU_SUPPORTS_32BIT_KERNEL
1656	select CPU_SUPPORTS_64BIT_KERNEL
1657	select CPU_SUPPORTS_HIGHMEM
1658	select CPU_SUPPORTS_HUGEPAGES
1659
1660config CPU_SB1
1661	bool "SB1"
1662	depends on SYS_HAS_CPU_SB1
1663	select CPU_SUPPORTS_32BIT_KERNEL
1664	select CPU_SUPPORTS_64BIT_KERNEL
1665	select CPU_SUPPORTS_HIGHMEM
1666	select CPU_SUPPORTS_HUGEPAGES
1667	select WEAK_ORDERING
1668
1669config CPU_CAVIUM_OCTEON
1670	bool "Cavium Octeon processor"
1671	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1672	select CPU_HAS_PREFETCH
1673	select CPU_SUPPORTS_64BIT_KERNEL
1674	select WEAK_ORDERING
1675	select CPU_SUPPORTS_HIGHMEM
1676	select CPU_SUPPORTS_HUGEPAGES
1677	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1678	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1679	select MIPS_L1_CACHE_SHIFT_7
1680	select HAVE_KVM
1681	help
1682	  The Cavium Octeon processor is a highly integrated chip containing
1683	  many ethernet hardware widgets for networking tasks. The processor
1684	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1685	  Full details can be found at http://www.caviumnetworks.com.
1686
1687config CPU_BMIPS
1688	bool "Broadcom BMIPS"
1689	depends on SYS_HAS_CPU_BMIPS
1690	select CPU_MIPS32
1691	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1692	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1693	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1694	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1695	select CPU_SUPPORTS_32BIT_KERNEL
1696	select DMA_NONCOHERENT
1697	select IRQ_MIPS_CPU
1698	select SWAP_IO_SPACE
1699	select WEAK_ORDERING
1700	select CPU_SUPPORTS_HIGHMEM
1701	select CPU_HAS_PREFETCH
1702	select CPU_SUPPORTS_CPUFREQ
1703	select MIPS_EXTERNAL_TIMER
1704	help
1705	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1706
1707config CPU_XLR
1708	bool "Netlogic XLR SoC"
1709	depends on SYS_HAS_CPU_XLR
1710	select CPU_SUPPORTS_32BIT_KERNEL
1711	select CPU_SUPPORTS_64BIT_KERNEL
1712	select CPU_SUPPORTS_HIGHMEM
1713	select CPU_SUPPORTS_HUGEPAGES
1714	select WEAK_ORDERING
1715	select WEAK_REORDERING_BEYOND_LLSC
1716	help
1717	  Netlogic Microsystems XLR/XLS processors.
1718
1719config CPU_XLP
1720	bool "Netlogic XLP SoC"
1721	depends on SYS_HAS_CPU_XLP
1722	select CPU_SUPPORTS_32BIT_KERNEL
1723	select CPU_SUPPORTS_64BIT_KERNEL
1724	select CPU_SUPPORTS_HIGHMEM
1725	select WEAK_ORDERING
1726	select WEAK_REORDERING_BEYOND_LLSC
1727	select CPU_HAS_PREFETCH
1728	select CPU_MIPSR2
1729	select CPU_SUPPORTS_HUGEPAGES
1730	select MIPS_ASID_BITS_VARIABLE
1731	help
1732	  Netlogic Microsystems XLP processors.
1733endchoice
1734
1735config CPU_MIPS32_3_5_FEATURES
1736	bool "MIPS32 Release 3.5 Features"
1737	depends on SYS_HAS_CPU_MIPS32_R3_5
1738	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1739	help
1740	  Choose this option to build a kernel for release 2 or later of the
1741	  MIPS32 architecture including features from the 3.5 release such as
1742	  support for Enhanced Virtual Addressing (EVA).
1743
1744config CPU_MIPS32_3_5_EVA
1745	bool "Enhanced Virtual Addressing (EVA)"
1746	depends on CPU_MIPS32_3_5_FEATURES
1747	select EVA
1748	default y
1749	help
1750	  Choose this option if you want to enable the Enhanced Virtual
1751	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1752	  One of its primary benefits is an increase in the maximum size
1753	  of lowmem (up to 3GB). If unsure, say 'N' here.
1754
1755config CPU_MIPS32_R5_FEATURES
1756	bool "MIPS32 Release 5 Features"
1757	depends on SYS_HAS_CPU_MIPS32_R5
1758	depends on CPU_MIPS32_R2
1759	help
1760	  Choose this option to build a kernel for release 2 or later of the
1761	  MIPS32 architecture including features from release 5 such as
1762	  support for Extended Physical Addressing (XPA).
1763
1764config CPU_MIPS32_R5_XPA
1765	bool "Extended Physical Addressing (XPA)"
1766	depends on CPU_MIPS32_R5_FEATURES
1767	depends on !EVA
1768	depends on !PAGE_SIZE_4KB
1769	depends on SYS_SUPPORTS_HIGHMEM
1770	select XPA
1771	select HIGHMEM
1772	select ARCH_PHYS_ADDR_T_64BIT
1773	default n
1774	help
1775	  Choose this option if you want to enable the Extended Physical
1776	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1777	  benefit is to increase physical addressing equal to or greater
1778	  than 40 bits. Note that this has the side effect of turning on
1779	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1780	  If unsure, say 'N' here.
1781
1782if CPU_LOONGSON2F
1783config CPU_NOP_WORKAROUNDS
1784	bool
1785
1786config CPU_JUMP_WORKAROUNDS
1787	bool
1788
1789config CPU_LOONGSON2F_WORKAROUNDS
1790	bool "Loongson 2F Workarounds"
1791	default y
1792	select CPU_NOP_WORKAROUNDS
1793	select CPU_JUMP_WORKAROUNDS
1794	help
1795	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1796	  require workarounds.  Without workarounds the system may hang
1797	  unexpectedly.  For more information please refer to the gas
1798	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1799
1800	  Loongson 2F03 and later have fixed these issues and no workarounds
1801	  are needed.  The workarounds have no significant side effect on them
1802	  but may decrease the performance of the system so this option should
1803	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1804	  systems.
1805
1806	  If unsure, please say Y.
1807endif # CPU_LOONGSON2F
1808
1809config SYS_SUPPORTS_ZBOOT
1810	bool
1811	select HAVE_KERNEL_GZIP
1812	select HAVE_KERNEL_BZIP2
1813	select HAVE_KERNEL_LZ4
1814	select HAVE_KERNEL_LZMA
1815	select HAVE_KERNEL_LZO
1816	select HAVE_KERNEL_XZ
1817
1818config SYS_SUPPORTS_ZBOOT_UART16550
1819	bool
1820	select SYS_SUPPORTS_ZBOOT
1821
1822config SYS_SUPPORTS_ZBOOT_UART_PROM
1823	bool
1824	select SYS_SUPPORTS_ZBOOT
1825
1826config CPU_LOONGSON2
1827	bool
1828	select CPU_SUPPORTS_32BIT_KERNEL
1829	select CPU_SUPPORTS_64BIT_KERNEL
1830	select CPU_SUPPORTS_HIGHMEM
1831	select CPU_SUPPORTS_HUGEPAGES
1832
1833config CPU_LOONGSON1
1834	bool
1835	select CPU_MIPS32
1836	select CPU_MIPSR2
1837	select CPU_HAS_PREFETCH
1838	select CPU_SUPPORTS_32BIT_KERNEL
1839	select CPU_SUPPORTS_HIGHMEM
1840	select CPU_SUPPORTS_CPUFREQ
1841
1842config CPU_BMIPS32_3300
1843	select SMP_UP if SMP
1844	bool
1845
1846config CPU_BMIPS4350
1847	bool
1848	select SYS_SUPPORTS_SMP
1849	select SYS_SUPPORTS_HOTPLUG_CPU
1850
1851config CPU_BMIPS4380
1852	bool
1853	select MIPS_L1_CACHE_SHIFT_6
1854	select SYS_SUPPORTS_SMP
1855	select SYS_SUPPORTS_HOTPLUG_CPU
1856	select CPU_HAS_RIXI
1857
1858config CPU_BMIPS5000
1859	bool
1860	select MIPS_CPU_SCACHE
1861	select MIPS_L1_CACHE_SHIFT_7
1862	select SYS_SUPPORTS_SMP
1863	select SYS_SUPPORTS_HOTPLUG_CPU
1864	select CPU_HAS_RIXI
1865
1866config SYS_HAS_CPU_LOONGSON3
1867	bool
1868	select CPU_SUPPORTS_CPUFREQ
1869	select CPU_HAS_RIXI
1870
1871config SYS_HAS_CPU_LOONGSON2E
1872	bool
1873
1874config SYS_HAS_CPU_LOONGSON2F
1875	bool
1876	select CPU_SUPPORTS_CPUFREQ
1877	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1878	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1879
1880config SYS_HAS_CPU_LOONGSON1B
1881	bool
1882
1883config SYS_HAS_CPU_LOONGSON1C
1884	bool
1885
1886config SYS_HAS_CPU_MIPS32_R1
1887	bool
1888
1889config SYS_HAS_CPU_MIPS32_R2
1890	bool
1891
1892config SYS_HAS_CPU_MIPS32_R3_5
1893	bool
1894
1895config SYS_HAS_CPU_MIPS32_R5
1896	bool
1897
1898config SYS_HAS_CPU_MIPS32_R6
1899	bool
1900
1901config SYS_HAS_CPU_MIPS64_R1
1902	bool
1903
1904config SYS_HAS_CPU_MIPS64_R2
1905	bool
1906
1907config SYS_HAS_CPU_MIPS64_R6
1908	bool
1909
1910config SYS_HAS_CPU_R3000
1911	bool
1912
1913config SYS_HAS_CPU_TX39XX
1914	bool
1915
1916config SYS_HAS_CPU_VR41XX
1917	bool
1918
1919config SYS_HAS_CPU_R4300
1920	bool
1921
1922config SYS_HAS_CPU_R4X00
1923	bool
1924
1925config SYS_HAS_CPU_TX49XX
1926	bool
1927
1928config SYS_HAS_CPU_R5000
1929	bool
1930
1931config SYS_HAS_CPU_R5432
1932	bool
1933
1934config SYS_HAS_CPU_R5500
1935	bool
1936
1937config SYS_HAS_CPU_NEVADA
1938	bool
1939
1940config SYS_HAS_CPU_R8000
1941	bool
1942
1943config SYS_HAS_CPU_R10000
1944	bool
1945
1946config SYS_HAS_CPU_RM7000
1947	bool
1948
1949config SYS_HAS_CPU_SB1
1950	bool
1951
1952config SYS_HAS_CPU_CAVIUM_OCTEON
1953	bool
1954
1955config SYS_HAS_CPU_BMIPS
1956	bool
1957
1958config SYS_HAS_CPU_BMIPS32_3300
1959	bool
1960	select SYS_HAS_CPU_BMIPS
1961
1962config SYS_HAS_CPU_BMIPS4350
1963	bool
1964	select SYS_HAS_CPU_BMIPS
1965
1966config SYS_HAS_CPU_BMIPS4380
1967	bool
1968	select SYS_HAS_CPU_BMIPS
1969
1970config SYS_HAS_CPU_BMIPS5000
1971	bool
1972	select SYS_HAS_CPU_BMIPS
1973
1974config SYS_HAS_CPU_XLR
1975	bool
1976
1977config SYS_HAS_CPU_XLP
1978	bool
1979
1980config MIPS_MALTA_PM
1981	depends on MIPS_MALTA
1982	depends on PCI
1983	bool
1984	default y
1985
1986#
1987# CPU may reorder R->R, R->W, W->R, W->W
1988# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1989#
1990config WEAK_ORDERING
1991	bool
1992
1993#
1994# CPU may reorder reads and writes beyond LL/SC
1995# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1996#
1997config WEAK_REORDERING_BEYOND_LLSC
1998	bool
1999endmenu
2000
2001#
2002# These two indicate any level of the MIPS32 and MIPS64 architecture
2003#
2004config CPU_MIPS32
2005	bool
2006	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2007
2008config CPU_MIPS64
2009	bool
2010	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2011
2012#
2013# These two indicate the revision of the architecture, either Release 1 or Release 2
2014#
2015config CPU_MIPSR1
2016	bool
2017	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2018
2019config CPU_MIPSR2
2020	bool
2021	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2022	select CPU_HAS_RIXI
2023	select MIPS_SPRAM
2024
2025config CPU_MIPSR6
2026	bool
2027	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2028	select CPU_HAS_RIXI
2029	select HAVE_ARCH_BITREVERSE
2030	select MIPS_ASID_BITS_VARIABLE
2031	select MIPS_SPRAM
2032
2033config EVA
2034	bool
2035
2036config XPA
2037	bool
2038
2039config SYS_SUPPORTS_32BIT_KERNEL
2040	bool
2041config SYS_SUPPORTS_64BIT_KERNEL
2042	bool
2043config CPU_SUPPORTS_32BIT_KERNEL
2044	bool
2045config CPU_SUPPORTS_64BIT_KERNEL
2046	bool
2047config CPU_SUPPORTS_CPUFREQ
2048	bool
2049config CPU_SUPPORTS_ADDRWINCFG
2050	bool
2051config CPU_SUPPORTS_HUGEPAGES
2052	bool
2053config CPU_SUPPORTS_UNCACHED_ACCELERATED
2054	bool
2055config MIPS_PGD_C0_CONTEXT
2056	bool
2057	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2058
2059#
2060# Set to y for ptrace access to watch registers.
2061#
2062config HARDWARE_WATCHPOINTS
2063       bool
2064       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2065
2066menu "Kernel type"
2067
2068choice
2069	prompt "Kernel code model"
2070	help
2071	  You should only select this option if you have a workload that
2072	  actually benefits from 64-bit processing or if your machine has
2073	  large memory.  You will only be presented a single option in this
2074	  menu if your system does not support both 32-bit and 64-bit kernels.
2075
2076config 32BIT
2077	bool "32-bit kernel"
2078	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2079	select TRAD_SIGNALS
2080	help
2081	  Select this option if you want to build a 32-bit kernel.
2082
2083config 64BIT
2084	bool "64-bit kernel"
2085	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2086	help
2087	  Select this option if you want to build a 64-bit kernel.
2088
2089endchoice
2090
2091config KVM_GUEST
2092	bool "KVM Guest Kernel"
2093	depends on BROKEN_ON_SMP
2094	help
2095	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2096	  mode.
2097
2098config KVM_GUEST_TIMER_FREQ
2099	int "Count/Compare Timer Frequency (MHz)"
2100	depends on KVM_GUEST
2101	default 100
2102	help
2103	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2104	  emulation when determining guest CPU Frequency. Instead, the guest's
2105	  timer frequency is specified directly.
2106
2107config MIPS_VA_BITS_48
2108	bool "48 bits virtual memory"
2109	depends on 64BIT
2110	help
2111	  Support a maximum at least 48 bits of application virtual
2112	  memory.  Default is 40 bits or less, depending on the CPU.
2113	  For page sizes 16k and above, this option results in a small
2114	  memory overhead for page tables.  For 4k page size, a fourth
2115	  level of page tables is added which imposes both a memory
2116	  overhead as well as slower TLB fault handling.
2117
2118	  If unsure, say N.
2119
2120choice
2121	prompt "Kernel page size"
2122	default PAGE_SIZE_4KB
2123
2124config PAGE_SIZE_4KB
2125	bool "4kB"
2126	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2127	help
2128	 This option select the standard 4kB Linux page size.  On some
2129	 R3000-family processors this is the only available page size.  Using
2130	 4kB page size will minimize memory consumption and is therefore
2131	 recommended for low memory systems.
2132
2133config PAGE_SIZE_8KB
2134	bool "8kB"
2135	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2136	depends on !MIPS_VA_BITS_48
2137	help
2138	  Using 8kB page size will result in higher performance kernel at
2139	  the price of higher memory consumption.  This option is available
2140	  only on R8000 and cnMIPS processors.  Note that you will need a
2141	  suitable Linux distribution to support this.
2142
2143config PAGE_SIZE_16KB
2144	bool "16kB"
2145	depends on !CPU_R3000 && !CPU_TX39XX
2146	help
2147	  Using 16kB page size will result in higher performance kernel at
2148	  the price of higher memory consumption.  This option is available on
2149	  all non-R3000 family processors.  Note that you will need a suitable
2150	  Linux distribution to support this.
2151
2152config PAGE_SIZE_32KB
2153	bool "32kB"
2154	depends on CPU_CAVIUM_OCTEON
2155	depends on !MIPS_VA_BITS_48
2156	help
2157	  Using 32kB page size will result in higher performance kernel at
2158	  the price of higher memory consumption.  This option is available
2159	  only on cnMIPS cores.  Note that you will need a suitable Linux
2160	  distribution to support this.
2161
2162config PAGE_SIZE_64KB
2163	bool "64kB"
2164	depends on !CPU_R3000 && !CPU_TX39XX
2165	help
2166	  Using 64kB page size will result in higher performance kernel at
2167	  the price of higher memory consumption.  This option is available on
2168	  all non-R3000 family processor.  Not that at the time of this
2169	  writing this option is still high experimental.
2170
2171endchoice
2172
2173config FORCE_MAX_ZONEORDER
2174	int "Maximum zone order"
2175	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2176	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2177	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2178	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2179	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2180	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2181	range 11 64
2182	default "11"
2183	help
2184	  The kernel memory allocator divides physically contiguous memory
2185	  blocks into "zones", where each zone is a power of two number of
2186	  pages.  This option selects the largest power of two that the kernel
2187	  keeps in the memory allocator.  If you need to allocate very large
2188	  blocks of physically contiguous memory, then you may need to
2189	  increase this value.
2190
2191	  This config option is actually maximum order plus one. For example,
2192	  a value of 11 means that the largest free memory block is 2^10 pages.
2193
2194	  The page size is not necessarily 4KB.  Keep this in mind
2195	  when choosing a value for this option.
2196
2197config BOARD_SCACHE
2198	bool
2199
2200config IP22_CPU_SCACHE
2201	bool
2202	select BOARD_SCACHE
2203
2204#
2205# Support for a MIPS32 / MIPS64 style S-caches
2206#
2207config MIPS_CPU_SCACHE
2208	bool
2209	select BOARD_SCACHE
2210
2211config R5000_CPU_SCACHE
2212	bool
2213	select BOARD_SCACHE
2214
2215config RM7000_CPU_SCACHE
2216	bool
2217	select BOARD_SCACHE
2218
2219config SIBYTE_DMA_PAGEOPS
2220	bool "Use DMA to clear/copy pages"
2221	depends on CPU_SB1
2222	help
2223	  Instead of using the CPU to zero and copy pages, use a Data Mover
2224	  channel.  These DMA channels are otherwise unused by the standard
2225	  SiByte Linux port.  Seems to give a small performance benefit.
2226
2227config CPU_HAS_PREFETCH
2228	bool
2229
2230config CPU_GENERIC_DUMP_TLB
2231	bool
2232	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2233
2234config CPU_R4K_FPU
2235	bool
2236	default y if !(CPU_R3000 || CPU_TX39XX)
2237
2238config CPU_R4K_CACHE_TLB
2239	bool
2240	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2241
2242config MIPS_MT_SMP
2243	bool "MIPS MT SMP support (1 TC on each available VPE)"
2244	default y
2245	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2246	select CPU_MIPSR2_IRQ_VI
2247	select CPU_MIPSR2_IRQ_EI
2248	select SYNC_R4K
2249	select MIPS_MT
2250	select SMP
2251	select SMP_UP
2252	select SYS_SUPPORTS_SMP
2253	select SYS_SUPPORTS_SCHED_SMT
2254	select MIPS_PERF_SHARED_TC_COUNTERS
2255	help
2256	  This is a kernel model which is known as SMVP. This is supported
2257	  on cores with the MT ASE and uses the available VPEs to implement
2258	  virtual processors which supports SMP. This is equivalent to the
2259	  Intel Hyperthreading feature. For further information go to
2260	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2261
2262config MIPS_MT
2263	bool
2264
2265config SCHED_SMT
2266	bool "SMT (multithreading) scheduler support"
2267	depends on SYS_SUPPORTS_SCHED_SMT
2268	default n
2269	help
2270	  SMT scheduler support improves the CPU scheduler's decision making
2271	  when dealing with MIPS MT enabled cores at a cost of slightly
2272	  increased overhead in some places. If unsure say N here.
2273
2274config SYS_SUPPORTS_SCHED_SMT
2275	bool
2276
2277config SYS_SUPPORTS_MULTITHREADING
2278	bool
2279
2280config MIPS_MT_FPAFF
2281	bool "Dynamic FPU affinity for FP-intensive threads"
2282	default y
2283	depends on MIPS_MT_SMP
2284
2285config MIPSR2_TO_R6_EMULATOR
2286	bool "MIPS R2-to-R6 emulator"
2287	depends on CPU_MIPSR6
2288	default y
2289	help
2290	  Choose this option if you want to run non-R6 MIPS userland code.
2291	  Even if you say 'Y' here, the emulator will still be disabled by
2292	  default. You can enable it using the 'mipsr2emu' kernel option.
2293	  The only reason this is a build-time option is to save ~14K from the
2294	  final kernel image.
2295
2296config SYS_SUPPORTS_VPE_LOADER
2297	bool
2298	depends on SYS_SUPPORTS_MULTITHREADING
2299	help
2300	  Indicates that the platform supports the VPE loader, and provides
2301	  physical_memsize.
2302
2303config MIPS_VPE_LOADER
2304	bool "VPE loader support."
2305	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2306	select CPU_MIPSR2_IRQ_VI
2307	select CPU_MIPSR2_IRQ_EI
2308	select MIPS_MT
2309	help
2310	  Includes a loader for loading an elf relocatable object
2311	  onto another VPE and running it.
2312
2313config MIPS_VPE_LOADER_CMP
2314	bool
2315	default "y"
2316	depends on MIPS_VPE_LOADER && MIPS_CMP
2317
2318config MIPS_VPE_LOADER_MT
2319	bool
2320	default "y"
2321	depends on MIPS_VPE_LOADER && !MIPS_CMP
2322
2323config MIPS_VPE_LOADER_TOM
2324	bool "Load VPE program into memory hidden from linux"
2325	depends on MIPS_VPE_LOADER
2326	default y
2327	help
2328	  The loader can use memory that is present but has been hidden from
2329	  Linux using the kernel command line option "mem=xxMB". It's up to
2330	  you to ensure the amount you put in the option and the space your
2331	  program requires is less or equal to the amount physically present.
2332
2333config MIPS_VPE_APSP_API
2334	bool "Enable support for AP/SP API (RTLX)"
2335	depends on MIPS_VPE_LOADER
2336
2337config MIPS_VPE_APSP_API_CMP
2338	bool
2339	default "y"
2340	depends on MIPS_VPE_APSP_API && MIPS_CMP
2341
2342config MIPS_VPE_APSP_API_MT
2343	bool
2344	default "y"
2345	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2346
2347config MIPS_CMP
2348	bool "MIPS CMP framework support (DEPRECATED)"
2349	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2350	select SMP
2351	select SYNC_R4K
2352	select SYS_SUPPORTS_SMP
2353	select WEAK_ORDERING
2354	default n
2355	help
2356	  Select this if you are using a bootloader which implements the "CMP
2357	  framework" protocol (ie. YAMON) and want your kernel to make use of
2358	  its ability to start secondary CPUs.
2359
2360	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2361	  instead of this.
2362
2363config MIPS_CPS
2364	bool "MIPS Coherent Processing System support"
2365	depends on SYS_SUPPORTS_MIPS_CPS
2366	select MIPS_CM
2367	select MIPS_CPS_PM if HOTPLUG_CPU
2368	select SMP
2369	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2370	select SYS_SUPPORTS_HOTPLUG_CPU
2371	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2372	select SYS_SUPPORTS_SMP
2373	select WEAK_ORDERING
2374	help
2375	  Select this if you wish to run an SMP kernel across multiple cores
2376	  within a MIPS Coherent Processing System. When this option is
2377	  enabled the kernel will probe for other cores and boot them with
2378	  no external assistance. It is safe to enable this when hardware
2379	  support is unavailable.
2380
2381config MIPS_CPS_PM
2382	depends on MIPS_CPS
2383	bool
2384
2385config MIPS_CM
2386	bool
2387	select MIPS_CPC
2388
2389config MIPS_CPC
2390	bool
2391
2392config SB1_PASS_2_WORKAROUNDS
2393	bool
2394	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2395	default y
2396
2397config SB1_PASS_2_1_WORKAROUNDS
2398	bool
2399	depends on CPU_SB1 && CPU_SB1_PASS_2
2400	default y
2401
2402
2403config ARCH_PHYS_ADDR_T_64BIT
2404       bool
2405
2406choice
2407	prompt "SmartMIPS or microMIPS ASE support"
2408
2409config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2410	bool "None"
2411	help
2412	  Select this if you want neither microMIPS nor SmartMIPS support
2413
2414config CPU_HAS_SMARTMIPS
2415	depends on SYS_SUPPORTS_SMARTMIPS
2416	bool "SmartMIPS"
2417	help
2418	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2419	  increased security at both hardware and software level for
2420	  smartcards.  Enabling this option will allow proper use of the
2421	  SmartMIPS instructions by Linux applications.  However a kernel with
2422	  this option will not work on a MIPS core without SmartMIPS core.  If
2423	  you don't know you probably don't have SmartMIPS and should say N
2424	  here.
2425
2426config CPU_MICROMIPS
2427	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2428	bool "microMIPS"
2429	help
2430	  When this option is enabled the kernel will be built using the
2431	  microMIPS ISA
2432
2433endchoice
2434
2435config CPU_HAS_MSA
2436	bool "Support for the MIPS SIMD Architecture"
2437	depends on CPU_SUPPORTS_MSA
2438	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2439	help
2440	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2441	  and a set of SIMD instructions to operate on them. When this option
2442	  is enabled the kernel will support allocating & switching MSA
2443	  vector register contexts. If you know that your kernel will only be
2444	  running on CPUs which do not support MSA or that your userland will
2445	  not be making use of it then you may wish to say N here to reduce
2446	  the size & complexity of your kernel.
2447
2448	  If unsure, say Y.
2449
2450config CPU_HAS_WB
2451	bool
2452
2453config XKS01
2454	bool
2455
2456config CPU_HAS_RIXI
2457	bool
2458
2459#
2460# Vectored interrupt mode is an R2 feature
2461#
2462config CPU_MIPSR2_IRQ_VI
2463	bool
2464
2465#
2466# Extended interrupt mode is an R2 feature
2467#
2468config CPU_MIPSR2_IRQ_EI
2469	bool
2470
2471config CPU_HAS_SYNC
2472	bool
2473	depends on !CPU_R3000
2474	default y
2475
2476#
2477# CPU non-features
2478#
2479config CPU_DADDI_WORKAROUNDS
2480	bool
2481
2482config CPU_R4000_WORKAROUNDS
2483	bool
2484	select CPU_R4400_WORKAROUNDS
2485
2486config CPU_R4400_WORKAROUNDS
2487	bool
2488
2489config MIPS_ASID_SHIFT
2490	int
2491	default 6 if CPU_R3000 || CPU_TX39XX
2492	default 4 if CPU_R8000
2493	default 0
2494
2495config MIPS_ASID_BITS
2496	int
2497	default 0 if MIPS_ASID_BITS_VARIABLE
2498	default 6 if CPU_R3000 || CPU_TX39XX
2499	default 8
2500
2501config MIPS_ASID_BITS_VARIABLE
2502	bool
2503
2504#
2505# - Highmem only makes sense for the 32-bit kernel.
2506# - The current highmem code will only work properly on physically indexed
2507#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2508#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2509#   moment we protect the user and offer the highmem option only on machines
2510#   where it's known to be safe.  This will not offer highmem on a few systems
2511#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2512#   indexed CPUs but we're playing safe.
2513# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2514#   know they might have memory configurations that could make use of highmem
2515#   support.
2516#
2517config HIGHMEM
2518	bool "High Memory Support"
2519	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2520
2521config CPU_SUPPORTS_HIGHMEM
2522	bool
2523
2524config SYS_SUPPORTS_HIGHMEM
2525	bool
2526
2527config SYS_SUPPORTS_SMARTMIPS
2528	bool
2529
2530config SYS_SUPPORTS_MICROMIPS
2531	bool
2532
2533config SYS_SUPPORTS_MIPS16
2534	bool
2535	help
2536	  This option must be set if a kernel might be executed on a MIPS16-
2537	  enabled CPU even if MIPS16 is not actually being used.  In other
2538	  words, it makes the kernel MIPS16-tolerant.
2539
2540config CPU_SUPPORTS_MSA
2541	bool
2542
2543config ARCH_FLATMEM_ENABLE
2544	def_bool y
2545	depends on !NUMA && !CPU_LOONGSON2
2546
2547config ARCH_DISCONTIGMEM_ENABLE
2548	bool
2549	default y if SGI_IP27
2550	help
2551	  Say Y to support efficient handling of discontiguous physical memory,
2552	  for architectures which are either NUMA (Non-Uniform Memory Access)
2553	  or have huge holes in the physical address space for other reasons.
2554	  See <file:Documentation/vm/numa> for more.
2555
2556config ARCH_SPARSEMEM_ENABLE
2557	bool
2558	select SPARSEMEM_STATIC
2559
2560config NUMA
2561	bool "NUMA Support"
2562	depends on SYS_SUPPORTS_NUMA
2563	help
2564	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2565	  Access).  This option improves performance on systems with more
2566	  than two nodes; on two node systems it is generally better to
2567	  leave it disabled; on single node systems disable this option
2568	  disabled.
2569
2570config SYS_SUPPORTS_NUMA
2571	bool
2572
2573config RELOCATABLE
2574	bool "Relocatable kernel"
2575	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2576	help
2577	  This builds a kernel image that retains relocation information
2578	  so it can be loaded someplace besides the default 1MB.
2579	  The relocations make the kernel binary about 15% larger,
2580	  but are discarded at runtime
2581
2582config RELOCATION_TABLE_SIZE
2583	hex "Relocation table size"
2584	depends on RELOCATABLE
2585	range 0x0 0x01000000
2586	default "0x00100000"
2587	---help---
2588	  A table of relocation data will be appended to the kernel binary
2589	  and parsed at boot to fix up the relocated kernel.
2590
2591	  This option allows the amount of space reserved for the table to be
2592	  adjusted, although the default of 1Mb should be ok in most cases.
2593
2594	  The build will fail and a valid size suggested if this is too small.
2595
2596	  If unsure, leave at the default value.
2597
2598config RANDOMIZE_BASE
2599	bool "Randomize the address of the kernel image"
2600	depends on RELOCATABLE
2601	---help---
2602	   Randomizes the physical and virtual address at which the
2603	   kernel image is loaded, as a security feature that
2604	   deters exploit attempts relying on knowledge of the location
2605	   of kernel internals.
2606
2607	   Entropy is generated using any coprocessor 0 registers available.
2608
2609	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2610
2611	   If unsure, say N.
2612
2613config RANDOMIZE_BASE_MAX_OFFSET
2614	hex "Maximum kASLR offset" if EXPERT
2615	depends on RANDOMIZE_BASE
2616	range 0x0 0x40000000 if EVA || 64BIT
2617	range 0x0 0x08000000
2618	default "0x01000000"
2619	---help---
2620	  When kASLR is active, this provides the maximum offset that will
2621	  be applied to the kernel image. It should be set according to the
2622	  amount of physical RAM available in the target system minus
2623	  PHYSICAL_START and must be a power of 2.
2624
2625	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2626	  EVA or 64-bit. The default is 16Mb.
2627
2628config NODES_SHIFT
2629	int
2630	default "6"
2631	depends on NEED_MULTIPLE_NODES
2632
2633config HW_PERF_EVENTS
2634	bool "Enable hardware performance counter support for perf events"
2635	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2636	default y
2637	help
2638	  Enable hardware performance counter support for perf events. If
2639	  disabled, perf events will use software events only.
2640
2641source "mm/Kconfig"
2642
2643config SMP
2644	bool "Multi-Processing support"
2645	depends on SYS_SUPPORTS_SMP
2646	help
2647	  This enables support for systems with more than one CPU. If you have
2648	  a system with only one CPU, say N. If you have a system with more
2649	  than one CPU, say Y.
2650
2651	  If you say N here, the kernel will run on uni- and multiprocessor
2652	  machines, but will use only one CPU of a multiprocessor machine. If
2653	  you say Y here, the kernel will run on many, but not all,
2654	  uniprocessor machines. On a uniprocessor machine, the kernel
2655	  will run faster if you say N here.
2656
2657	  People using multiprocessor machines who say Y here should also say
2658	  Y to "Enhanced Real Time Clock Support", below.
2659
2660	  See also the SMP-HOWTO available at
2661	  <http://www.tldp.org/docs.html#howto>.
2662
2663	  If you don't know what to do here, say N.
2664
2665config HOTPLUG_CPU
2666	bool "Support for hot-pluggable CPUs"
2667	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2668	help
2669	  Say Y here to allow turning CPUs off and on. CPUs can be
2670	  controlled through /sys/devices/system/cpu.
2671	  (Note: power management support will enable this option
2672	    automatically on SMP systems. )
2673	  Say N if you want to disable CPU hotplug.
2674
2675config SMP_UP
2676	bool
2677
2678config SYS_SUPPORTS_MIPS_CMP
2679	bool
2680
2681config SYS_SUPPORTS_MIPS_CPS
2682	bool
2683
2684config SYS_SUPPORTS_SMP
2685	bool
2686
2687config NR_CPUS_DEFAULT_4
2688	bool
2689
2690config NR_CPUS_DEFAULT_8
2691	bool
2692
2693config NR_CPUS_DEFAULT_16
2694	bool
2695
2696config NR_CPUS_DEFAULT_32
2697	bool
2698
2699config NR_CPUS_DEFAULT_64
2700	bool
2701
2702config NR_CPUS
2703	int "Maximum number of CPUs (2-256)"
2704	range 2 256
2705	depends on SMP
2706	default "4" if NR_CPUS_DEFAULT_4
2707	default "8" if NR_CPUS_DEFAULT_8
2708	default "16" if NR_CPUS_DEFAULT_16
2709	default "32" if NR_CPUS_DEFAULT_32
2710	default "64" if NR_CPUS_DEFAULT_64
2711	help
2712	  This allows you to specify the maximum number of CPUs which this
2713	  kernel will support.  The maximum supported value is 32 for 32-bit
2714	  kernel and 64 for 64-bit kernels; the minimum value which makes
2715	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2716	  and 2 for all others.
2717
2718	  This is purely to save memory - each supported CPU adds
2719	  approximately eight kilobytes to the kernel image.  For best
2720	  performance should round up your number of processors to the next
2721	  power of two.
2722
2723config MIPS_PERF_SHARED_TC_COUNTERS
2724	bool
2725
2726config MIPS_NR_CPU_NR_MAP_1024
2727	bool
2728
2729config MIPS_NR_CPU_NR_MAP
2730	int
2731	depends on SMP
2732	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2733	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2734
2735#
2736# Timer Interrupt Frequency Configuration
2737#
2738
2739choice
2740	prompt "Timer frequency"
2741	default HZ_250
2742	help
2743	 Allows the configuration of the timer frequency.
2744
2745	config HZ_24
2746		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2747
2748	config HZ_48
2749		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2750
2751	config HZ_100
2752		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2753
2754	config HZ_128
2755		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2756
2757	config HZ_250
2758		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2759
2760	config HZ_256
2761		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2762
2763	config HZ_1000
2764		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2765
2766	config HZ_1024
2767		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2768
2769endchoice
2770
2771config SYS_SUPPORTS_24HZ
2772	bool
2773
2774config SYS_SUPPORTS_48HZ
2775	bool
2776
2777config SYS_SUPPORTS_100HZ
2778	bool
2779
2780config SYS_SUPPORTS_128HZ
2781	bool
2782
2783config SYS_SUPPORTS_250HZ
2784	bool
2785
2786config SYS_SUPPORTS_256HZ
2787	bool
2788
2789config SYS_SUPPORTS_1000HZ
2790	bool
2791
2792config SYS_SUPPORTS_1024HZ
2793	bool
2794
2795config SYS_SUPPORTS_ARBIT_HZ
2796	bool
2797	default y if !SYS_SUPPORTS_24HZ && \
2798		     !SYS_SUPPORTS_48HZ && \
2799		     !SYS_SUPPORTS_100HZ && \
2800		     !SYS_SUPPORTS_128HZ && \
2801		     !SYS_SUPPORTS_250HZ && \
2802		     !SYS_SUPPORTS_256HZ && \
2803		     !SYS_SUPPORTS_1000HZ && \
2804		     !SYS_SUPPORTS_1024HZ
2805
2806config HZ
2807	int
2808	default 24 if HZ_24
2809	default 48 if HZ_48
2810	default 100 if HZ_100
2811	default 128 if HZ_128
2812	default 250 if HZ_250
2813	default 256 if HZ_256
2814	default 1000 if HZ_1000
2815	default 1024 if HZ_1024
2816
2817config SCHED_HRTICK
2818	def_bool HIGH_RES_TIMERS
2819
2820source "kernel/Kconfig.preempt"
2821
2822config KEXEC
2823	bool "Kexec system call"
2824	select KEXEC_CORE
2825	help
2826	  kexec is a system call that implements the ability to shutdown your
2827	  current kernel, and to start another kernel.  It is like a reboot
2828	  but it is independent of the system firmware.   And like a reboot
2829	  you can start any kernel with it, not just Linux.
2830
2831	  The name comes from the similarity to the exec system call.
2832
2833	  It is an ongoing process to be certain the hardware in a machine
2834	  is properly shutdown, so do not be surprised if this code does not
2835	  initially work for you.  As of this writing the exact hardware
2836	  interface is strongly in flux, so no good recommendation can be
2837	  made.
2838
2839config CRASH_DUMP
2840	bool "Kernel crash dumps"
2841	help
2842	  Generate crash dump after being started by kexec.
2843	  This should be normally only set in special crash dump kernels
2844	  which are loaded in the main kernel with kexec-tools into
2845	  a specially reserved region and then later executed after
2846	  a crash by kdump/kexec. The crash dump kernel must be compiled
2847	  to a memory address not used by the main kernel or firmware using
2848	  PHYSICAL_START.
2849
2850config PHYSICAL_START
2851	hex "Physical address where the kernel is loaded"
2852	default "0xffffffff84000000" if 64BIT
2853	default "0x84000000" if 32BIT
2854	depends on CRASH_DUMP
2855	help
2856	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2857	  If you plan to use kernel for capturing the crash dump change
2858	  this value to start of the reserved region (the "X" value as
2859	  specified in the "crashkernel=YM@XM" command line boot parameter
2860	  passed to the panic-ed kernel).
2861
2862config SECCOMP
2863	bool "Enable seccomp to safely compute untrusted bytecode"
2864	depends on PROC_FS
2865	default y
2866	help
2867	  This kernel feature is useful for number crunching applications
2868	  that may need to compute untrusted bytecode during their
2869	  execution. By using pipes or other transports made available to
2870	  the process as file descriptors supporting the read/write
2871	  syscalls, it's possible to isolate those applications in
2872	  their own address space using seccomp. Once seccomp is
2873	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2874	  and the task is only allowed to execute a few safe syscalls
2875	  defined by each seccomp mode.
2876
2877	  If unsure, say Y. Only embedded should say N here.
2878
2879config MIPS_O32_FP64_SUPPORT
2880	bool "Support for O32 binaries using 64-bit FP"
2881	depends on 32BIT || MIPS32_O32
2882	help
2883	  When this is enabled, the kernel will support use of 64-bit floating
2884	  point registers with binaries using the O32 ABI along with the
2885	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2886	  32-bit MIPS systems this support is at the cost of increasing the
2887	  size and complexity of the compiled FPU emulator. Thus if you are
2888	  running a MIPS32 system and know that none of your userland binaries
2889	  will require 64-bit floating point, you may wish to reduce the size
2890	  of your kernel & potentially improve FP emulation performance by
2891	  saying N here.
2892
2893	  Although binutils currently supports use of this flag the details
2894	  concerning its effect upon the O32 ABI in userland are still being
2895	  worked on. In order to avoid userland becoming dependant upon current
2896	  behaviour before the details have been finalised, this option should
2897	  be considered experimental and only enabled by those working upon
2898	  said details.
2899
2900	  If unsure, say N.
2901
2902config USE_OF
2903	bool
2904	select OF
2905	select OF_EARLY_FLATTREE
2906	select IRQ_DOMAIN
2907
2908config BUILTIN_DTB
2909	bool
2910
2911choice
2912	prompt "Kernel appended dtb support" if USE_OF
2913	default MIPS_NO_APPENDED_DTB
2914
2915	config MIPS_NO_APPENDED_DTB
2916		bool "None"
2917		help
2918		  Do not enable appended dtb support.
2919
2920	config MIPS_ELF_APPENDED_DTB
2921		bool "vmlinux"
2922		help
2923		  With this option, the boot code will look for a device tree binary
2924		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2925		  it is empty and the DTB can be appended using binutils command
2926		  objcopy:
2927
2928		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2929
2930		  This is meant as a backward compatiblity convenience for those
2931		  systems with a bootloader that can't be upgraded to accommodate
2932		  the documented boot protocol using a device tree.
2933
2934	config MIPS_RAW_APPENDED_DTB
2935		bool "vmlinux.bin or vmlinuz.bin"
2936		help
2937		  With this option, the boot code will look for a device tree binary
2938		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2939		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2940
2941		  This is meant as a backward compatibility convenience for those
2942		  systems with a bootloader that can't be upgraded to accommodate
2943		  the documented boot protocol using a device tree.
2944
2945		  Beware that there is very little in terms of protection against
2946		  this option being confused by leftover garbage in memory that might
2947		  look like a DTB header after a reboot if no actual DTB is appended
2948		  to vmlinux.bin.  Do not leave this option active in a production kernel
2949		  if you don't intend to always append a DTB.
2950endchoice
2951
2952choice
2953	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2954	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2955					 !MIPS_MALTA && \
2956					 !CAVIUM_OCTEON_SOC
2957	default MIPS_CMDLINE_FROM_BOOTLOADER
2958
2959	config MIPS_CMDLINE_FROM_DTB
2960		depends on USE_OF
2961		bool "Dtb kernel arguments if available"
2962
2963	config MIPS_CMDLINE_DTB_EXTEND
2964		depends on USE_OF
2965		bool "Extend dtb kernel arguments with bootloader arguments"
2966
2967	config MIPS_CMDLINE_FROM_BOOTLOADER
2968		bool "Bootloader kernel arguments if available"
2969
2970	config MIPS_CMDLINE_BUILTIN_EXTEND
2971		depends on CMDLINE_BOOL
2972		bool "Extend builtin kernel arguments with bootloader arguments"
2973endchoice
2974
2975endmenu
2976
2977config LOCKDEP_SUPPORT
2978	bool
2979	default y
2980
2981config STACKTRACE_SUPPORT
2982	bool
2983	default y
2984
2985config HAVE_LATENCYTOP_SUPPORT
2986	bool
2987	default y
2988
2989config PGTABLE_LEVELS
2990	int
2991	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
2992	default 3 if 64BIT && !PAGE_SIZE_64KB
2993	default 2
2994
2995source "init/Kconfig"
2996
2997source "kernel/Kconfig.freezer"
2998
2999menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3000
3001config HW_HAS_EISA
3002	bool
3003config HW_HAS_PCI
3004	bool
3005
3006config PCI
3007	bool "Support for PCI controller"
3008	depends on HW_HAS_PCI
3009	select PCI_DOMAINS
3010	help
3011	  Find out whether you have a PCI motherboard. PCI is the name of a
3012	  bus system, i.e. the way the CPU talks to the other stuff inside
3013	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3014	  say Y, otherwise N.
3015
3016config HT_PCI
3017	bool "Support for HT-linked PCI"
3018	default y
3019	depends on CPU_LOONGSON3
3020	select PCI
3021	select PCI_DOMAINS
3022	help
3023	  Loongson family machines use Hyper-Transport bus for inter-core
3024	  connection and device connection. The PCI bus is a subordinate
3025	  linked at HT. Choose Y for Loongson-3 based machines.
3026
3027config PCI_DOMAINS
3028	bool
3029
3030config PCI_DOMAINS_GENERIC
3031	bool
3032
3033config PCI_DRIVERS_GENERIC
3034	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3035	bool
3036
3037config PCI_DRIVERS_LEGACY
3038	def_bool !PCI_DRIVERS_GENERIC
3039	select NO_GENERIC_PCI_IOPORT_MAP
3040
3041source "drivers/pci/Kconfig"
3042
3043#
3044# ISA support is now enabled via select.  Too many systems still have the one
3045# or other ISA chip on the board that users don't know about so don't expect
3046# users to choose the right thing ...
3047#
3048config ISA
3049	bool
3050
3051config EISA
3052	bool "EISA support"
3053	depends on HW_HAS_EISA
3054	select ISA
3055	select GENERIC_ISA_DMA
3056	---help---
3057	  The Extended Industry Standard Architecture (EISA) bus was
3058	  developed as an open alternative to the IBM MicroChannel bus.
3059
3060	  The EISA bus provided some of the features of the IBM MicroChannel
3061	  bus while maintaining backward compatibility with cards made for
3062	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3063	  1995 when it was made obsolete by the PCI bus.
3064
3065	  Say Y here if you are building a kernel for an EISA-based machine.
3066
3067	  Otherwise, say N.
3068
3069source "drivers/eisa/Kconfig"
3070
3071config TC
3072	bool "TURBOchannel support"
3073	depends on MACH_DECSTATION
3074	help
3075	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3076	  processors.  TURBOchannel programming specifications are available
3077	  at:
3078	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3079	  and:
3080	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3081	  Linux driver support status is documented at:
3082	  <http://www.linux-mips.org/wiki/DECstation>
3083
3084config MMU
3085	bool
3086	default y
3087
3088config ARCH_MMAP_RND_BITS_MIN
3089	default 12 if 64BIT
3090	default 8
3091
3092config ARCH_MMAP_RND_BITS_MAX
3093	default 18 if 64BIT
3094	default 15
3095
3096config ARCH_MMAP_RND_COMPAT_BITS_MIN
3097       default 8
3098
3099config ARCH_MMAP_RND_COMPAT_BITS_MAX
3100       default 15
3101
3102config I8253
3103	bool
3104	select CLKSRC_I8253
3105	select CLKEVT_I8253
3106	select MIPS_EXTERNAL_TIMER
3107
3108config ZONE_DMA
3109	bool
3110
3111config ZONE_DMA32
3112	bool
3113
3114source "drivers/pcmcia/Kconfig"
3115
3116config RAPIDIO
3117	tristate "RapidIO support"
3118	depends on PCI
3119	default n
3120	help
3121	  If you say Y here, the kernel will include drivers and
3122	  infrastructure code to support RapidIO interconnect devices.
3123
3124source "drivers/rapidio/Kconfig"
3125
3126endmenu
3127
3128menu "Executable file formats"
3129
3130source "fs/Kconfig.binfmt"
3131
3132config TRAD_SIGNALS
3133	bool
3134
3135config MIPS32_COMPAT
3136	bool
3137
3138config COMPAT
3139	bool
3140
3141config SYSVIPC_COMPAT
3142	bool
3143
3144config MIPS32_O32
3145	bool "Kernel support for o32 binaries"
3146	depends on 64BIT
3147	select ARCH_WANT_OLD_COMPAT_IPC
3148	select COMPAT
3149	select MIPS32_COMPAT
3150	select SYSVIPC_COMPAT if SYSVIPC
3151	help
3152	  Select this option if you want to run o32 binaries.  These are pure
3153	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3154	  existing binaries are in this format.
3155
3156	  If unsure, say Y.
3157
3158config MIPS32_N32
3159	bool "Kernel support for n32 binaries"
3160	depends on 64BIT
3161	select COMPAT
3162	select MIPS32_COMPAT
3163	select SYSVIPC_COMPAT if SYSVIPC
3164	help
3165	  Select this option if you want to run n32 binaries.  These are
3166	  64-bit binaries using 32-bit quantities for addressing and certain
3167	  data that would normally be 64-bit.  They are used in special
3168	  cases.
3169
3170	  If unsure, say N.
3171
3172config BINFMT_ELF32
3173	bool
3174	default y if MIPS32_O32 || MIPS32_N32
3175	select ELFCORE
3176
3177endmenu
3178
3179menu "Power management options"
3180
3181config ARCH_HIBERNATION_POSSIBLE
3182	def_bool y
3183	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3184
3185config ARCH_SUSPEND_POSSIBLE
3186	def_bool y
3187	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3188
3189source "kernel/power/Kconfig"
3190
3191endmenu
3192
3193config MIPS_EXTERNAL_TIMER
3194	bool
3195
3196menu "CPU Power Management"
3197
3198if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3199source "drivers/cpufreq/Kconfig"
3200endif
3201
3202source "drivers/cpuidle/Kconfig"
3203
3204endmenu
3205
3206source "net/Kconfig"
3207
3208source "drivers/Kconfig"
3209
3210source "drivers/firmware/Kconfig"
3211
3212source "fs/Kconfig"
3213
3214source "arch/mips/Kconfig.debug"
3215
3216source "security/Kconfig"
3217
3218source "crypto/Kconfig"
3219
3220source "lib/Kconfig"
3221
3222source "arch/mips/kvm/Kconfig"
3223