xref: /openbmc/linux/arch/mips/Kconfig (revision 2209fda3)
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 DMA_DIRECT_OPS
20	select GENERIC_ATOMIC64 if !64BIT
21	select GENERIC_CLOCKEVENTS
22	select GENERIC_CMOS_UPDATE
23	select GENERIC_CPU_AUTOPROBE
24	select GENERIC_IOMAP
25	select GENERIC_IRQ_PROBE
26	select GENERIC_IRQ_SHOW
27	select GENERIC_LIB_ASHLDI3
28	select GENERIC_LIB_ASHRDI3
29	select GENERIC_LIB_CMPDI2
30	select GENERIC_LIB_LSHRDI3
31	select GENERIC_LIB_UCMPDI2
32	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
33	select GENERIC_SMP_IDLE_THREAD
34	select GENERIC_TIME_VSYSCALL
35	select HANDLE_DOMAIN_IRQ
36	select HAVE_ARCH_COMPILER_H
37	select HAVE_ARCH_JUMP_LABEL
38	select HAVE_ARCH_KGDB
39	select HAVE_ARCH_MMAP_RND_BITS if MMU
40	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
41	select HAVE_ARCH_SECCOMP_FILTER
42	select HAVE_ARCH_TRACEHOOK
43	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
44	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
45	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
46	select HAVE_CONTEXT_TRACKING
47	select HAVE_COPY_THREAD_TLS
48	select HAVE_C_RECORDMCOUNT
49	select HAVE_DEBUG_KMEMLEAK
50	select HAVE_DEBUG_STACKOVERFLOW
51	select HAVE_DMA_CONTIGUOUS
52	select HAVE_DYNAMIC_FTRACE
53	select HAVE_EXIT_THREAD
54	select HAVE_FTRACE_MCOUNT_RECORD
55	select HAVE_FUNCTION_GRAPH_TRACER
56	select HAVE_FUNCTION_TRACER
57	select HAVE_GENERIC_DMA_COHERENT
58	select HAVE_IDE
59	select HAVE_IRQ_EXIT_ON_IRQ_STACK
60	select HAVE_IRQ_TIME_ACCOUNTING
61	select HAVE_KPROBES
62	select HAVE_KRETPROBES
63	select HAVE_MEMBLOCK
64	select HAVE_MEMBLOCK_NODE_MAP
65	select HAVE_MOD_ARCH_SPECIFIC
66	select HAVE_NMI
67	select HAVE_OPROFILE
68	select HAVE_PERF_EVENTS
69	select HAVE_REGS_AND_STACK_ACCESS_API
70	select HAVE_RSEQ
71	select HAVE_STACKPROTECTOR
72	select HAVE_SYSCALL_TRACEPOINTS
73	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
74	select IRQ_FORCED_THREADING
75	select MODULES_USE_ELF_RELA if MODULES && 64BIT
76	select MODULES_USE_ELF_REL if MODULES
77	select PERF_USE_VMALLOC
78	select RTC_LIB
79	select SYSCTL_EXCEPTION_TRACE
80	select VIRT_TO_BUS
81	select NO_BOOTMEM
82
83menu "Machine selection"
84
85choice
86	prompt "System type"
87	default MIPS_GENERIC
88
89config MIPS_GENERIC
90	bool "Generic board-agnostic MIPS kernel"
91	select BOOT_RAW
92	select BUILTIN_DTB
93	select CEVT_R4K
94	select CLKSRC_MIPS_GIC
95	select COMMON_CLK
96	select CPU_MIPSR2_IRQ_VI
97	select CPU_MIPSR2_IRQ_EI
98	select CSRC_R4K
99	select DMA_PERDEV_COHERENT
100	select HW_HAS_PCI
101	select IRQ_MIPS_CPU
102	select LIBFDT
103	select MIPS_AUTO_PFN_OFFSET
104	select MIPS_CPU_SCACHE
105	select MIPS_GIC
106	select MIPS_L1_CACHE_SHIFT_7
107	select NO_EXCEPT_FILL
108	select PCI_DRIVERS_GENERIC
109	select PINCTRL
110	select SMP_UP if SMP
111	select SWAP_IO_SPACE
112	select SYS_HAS_CPU_MIPS32_R1
113	select SYS_HAS_CPU_MIPS32_R2
114	select SYS_HAS_CPU_MIPS32_R6
115	select SYS_HAS_CPU_MIPS64_R1
116	select SYS_HAS_CPU_MIPS64_R2
117	select SYS_HAS_CPU_MIPS64_R6
118	select SYS_SUPPORTS_32BIT_KERNEL
119	select SYS_SUPPORTS_64BIT_KERNEL
120	select SYS_SUPPORTS_BIG_ENDIAN
121	select SYS_SUPPORTS_HIGHMEM
122	select SYS_SUPPORTS_LITTLE_ENDIAN
123	select SYS_SUPPORTS_MICROMIPS
124	select SYS_SUPPORTS_MIPS_CPS
125	select SYS_SUPPORTS_MIPS16
126	select SYS_SUPPORTS_MULTITHREADING
127	select SYS_SUPPORTS_RELOCATABLE
128	select SYS_SUPPORTS_SMARTMIPS
129	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
130	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
131	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
132	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
133	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
134	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
135	select USE_OF
136	select UHI_BOOT
137	help
138	  Select this to build a kernel which aims to support multiple boards,
139	  generally using a flattened device tree passed from the bootloader
140	  using the boot protocol defined in the UHI (Unified Hosting
141	  Interface) specification.
142
143config MIPS_ALCHEMY
144	bool "Alchemy processor based machines"
145	select PHYS_ADDR_T_64BIT
146	select CEVT_R4K
147	select CSRC_R4K
148	select IRQ_MIPS_CPU
149	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
150	select SYS_HAS_CPU_MIPS32_R1
151	select SYS_SUPPORTS_32BIT_KERNEL
152	select SYS_SUPPORTS_APM_EMULATION
153	select GPIOLIB
154	select SYS_SUPPORTS_ZBOOT
155	select COMMON_CLK
156
157config AR7
158	bool "Texas Instruments AR7"
159	select BOOT_ELF32
160	select DMA_NONCOHERENT
161	select CEVT_R4K
162	select CSRC_R4K
163	select IRQ_MIPS_CPU
164	select NO_EXCEPT_FILL
165	select SWAP_IO_SPACE
166	select SYS_HAS_CPU_MIPS32_R1
167	select SYS_HAS_EARLY_PRINTK
168	select SYS_SUPPORTS_32BIT_KERNEL
169	select SYS_SUPPORTS_LITTLE_ENDIAN
170	select SYS_SUPPORTS_MIPS16
171	select SYS_SUPPORTS_ZBOOT_UART16550
172	select GPIOLIB
173	select VLYNQ
174	select HAVE_CLK
175	help
176	  Support for the Texas Instruments AR7 System-on-a-Chip
177	  family: TNETD7100, 7200 and 7300.
178
179config ATH25
180	bool "Atheros AR231x/AR531x SoC support"
181	select CEVT_R4K
182	select CSRC_R4K
183	select DMA_NONCOHERENT
184	select IRQ_MIPS_CPU
185	select IRQ_DOMAIN
186	select SYS_HAS_CPU_MIPS32_R1
187	select SYS_SUPPORTS_BIG_ENDIAN
188	select SYS_SUPPORTS_32BIT_KERNEL
189	select SYS_HAS_EARLY_PRINTK
190	help
191	  Support for Atheros AR231x and Atheros AR531x based boards
192
193config ATH79
194	bool "Atheros AR71XX/AR724X/AR913X based boards"
195	select ARCH_HAS_RESET_CONTROLLER
196	select BOOT_RAW
197	select CEVT_R4K
198	select CSRC_R4K
199	select DMA_NONCOHERENT
200	select GPIOLIB
201	select PINCTRL
202	select HAVE_CLK
203	select COMMON_CLK
204	select CLKDEV_LOOKUP
205	select IRQ_MIPS_CPU
206	select MIPS_MACHINE
207	select SYS_HAS_CPU_MIPS32_R2
208	select SYS_HAS_EARLY_PRINTK
209	select SYS_SUPPORTS_32BIT_KERNEL
210	select SYS_SUPPORTS_BIG_ENDIAN
211	select SYS_SUPPORTS_MIPS16
212	select SYS_SUPPORTS_ZBOOT_UART_PROM
213	select USE_OF
214	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
215	help
216	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
217
218config BMIPS_GENERIC
219	bool "Broadcom Generic BMIPS kernel"
220	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
221	select ARCH_HAS_PHYS_TO_DMA
222	select BOOT_RAW
223	select NO_EXCEPT_FILL
224	select USE_OF
225	select CEVT_R4K
226	select CSRC_R4K
227	select SYNC_R4K
228	select COMMON_CLK
229	select BCM6345_L1_IRQ
230	select BCM7038_L1_IRQ
231	select BCM7120_L2_IRQ
232	select BRCMSTB_L2_IRQ
233	select IRQ_MIPS_CPU
234	select DMA_NONCOHERENT
235	select SYS_SUPPORTS_32BIT_KERNEL
236	select SYS_SUPPORTS_LITTLE_ENDIAN
237	select SYS_SUPPORTS_BIG_ENDIAN
238	select SYS_SUPPORTS_HIGHMEM
239	select SYS_HAS_CPU_BMIPS32_3300
240	select SYS_HAS_CPU_BMIPS4350
241	select SYS_HAS_CPU_BMIPS4380
242	select SYS_HAS_CPU_BMIPS5000
243	select SWAP_IO_SPACE
244	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
245	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
246	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
247	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
248	select HARDIRQS_SW_RESEND
249	help
250	  Build a generic DT-based kernel image that boots on select
251	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
252	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
253	  must be set appropriately for your board.
254
255config BCM47XX
256	bool "Broadcom BCM47XX based boards"
257	select BOOT_RAW
258	select CEVT_R4K
259	select CSRC_R4K
260	select DMA_NONCOHERENT
261	select HW_HAS_PCI
262	select IRQ_MIPS_CPU
263	select SYS_HAS_CPU_MIPS32_R1
264	select NO_EXCEPT_FILL
265	select SYS_SUPPORTS_32BIT_KERNEL
266	select SYS_SUPPORTS_LITTLE_ENDIAN
267	select SYS_SUPPORTS_MIPS16
268	select SYS_SUPPORTS_ZBOOT
269	select SYS_HAS_EARLY_PRINTK
270	select USE_GENERIC_EARLY_PRINTK_8250
271	select GPIOLIB
272	select LEDS_GPIO_REGISTER
273	select BCM47XX_NVRAM
274	select BCM47XX_SPROM
275	select BCM47XX_SSB if !BCM47XX_BCMA
276	help
277	 Support for BCM47XX based boards
278
279config BCM63XX
280	bool "Broadcom BCM63XX based boards"
281	select BOOT_RAW
282	select CEVT_R4K
283	select CSRC_R4K
284	select SYNC_R4K
285	select DMA_NONCOHERENT
286	select IRQ_MIPS_CPU
287	select SYS_SUPPORTS_32BIT_KERNEL
288	select SYS_SUPPORTS_BIG_ENDIAN
289	select SYS_HAS_EARLY_PRINTK
290	select SWAP_IO_SPACE
291	select GPIOLIB
292	select HAVE_CLK
293	select MIPS_L1_CACHE_SHIFT_4
294	select CLKDEV_LOOKUP
295	help
296	 Support for BCM63XX based boards
297
298config MIPS_COBALT
299	bool "Cobalt Server"
300	select CEVT_R4K
301	select CSRC_R4K
302	select CEVT_GT641XX
303	select DMA_NONCOHERENT
304	select HW_HAS_PCI
305	select I8253
306	select I8259
307	select IRQ_MIPS_CPU
308	select IRQ_GT641XX
309	select PCI_GT64XXX_PCI0
310	select PCI
311	select SYS_HAS_CPU_NEVADA
312	select SYS_HAS_EARLY_PRINTK
313	select SYS_SUPPORTS_32BIT_KERNEL
314	select SYS_SUPPORTS_64BIT_KERNEL
315	select SYS_SUPPORTS_LITTLE_ENDIAN
316	select USE_GENERIC_EARLY_PRINTK_8250
317
318config MACH_DECSTATION
319	bool "DECstations"
320	select BOOT_ELF32
321	select CEVT_DS1287
322	select CEVT_R4K if CPU_R4X00
323	select CSRC_IOASIC
324	select CSRC_R4K if CPU_R4X00
325	select CPU_DADDI_WORKAROUNDS if 64BIT
326	select CPU_R4000_WORKAROUNDS if 64BIT
327	select CPU_R4400_WORKAROUNDS if 64BIT
328	select DMA_NONCOHERENT
329	select NO_IOPORT_MAP
330	select IRQ_MIPS_CPU
331	select SYS_HAS_CPU_R3000
332	select SYS_HAS_CPU_R4X00
333	select SYS_SUPPORTS_32BIT_KERNEL
334	select SYS_SUPPORTS_64BIT_KERNEL
335	select SYS_SUPPORTS_LITTLE_ENDIAN
336	select SYS_SUPPORTS_128HZ
337	select SYS_SUPPORTS_256HZ
338	select SYS_SUPPORTS_1024HZ
339	select MIPS_L1_CACHE_SHIFT_4
340	help
341	  This enables support for DEC's MIPS based workstations.  For details
342	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
343	  DECstation porting pages on <http://decstation.unix-ag.org/>.
344
345	  If you have one of the following DECstation Models you definitely
346	  want to choose R4xx0 for the CPU Type:
347
348		DECstation 5000/50
349		DECstation 5000/150
350		DECstation 5000/260
351		DECsystem 5900/260
352
353	  otherwise choose R3000.
354
355config MACH_JAZZ
356	bool "Jazz family of machines"
357	select ARCH_MIGHT_HAVE_PC_PARPORT
358	select ARCH_MIGHT_HAVE_PC_SERIO
359	select FW_ARC
360	select FW_ARC32
361	select ARCH_MAY_HAVE_PC_FDC
362	select CEVT_R4K
363	select CSRC_R4K
364	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
365	select GENERIC_ISA_DMA
366	select HAVE_PCSPKR_PLATFORM
367	select IRQ_MIPS_CPU
368	select I8253
369	select I8259
370	select ISA
371	select SYS_HAS_CPU_R4X00
372	select SYS_SUPPORTS_32BIT_KERNEL
373	select SYS_SUPPORTS_64BIT_KERNEL
374	select SYS_SUPPORTS_100HZ
375	help
376	 This a family of machines based on the MIPS R4030 chipset which was
377	 used by several vendors to build RISC/os and Windows NT workstations.
378	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
379	 Olivetti M700-10 workstations.
380
381config MACH_INGENIC
382	bool "Ingenic SoC based machines"
383	select SYS_SUPPORTS_32BIT_KERNEL
384	select SYS_SUPPORTS_LITTLE_ENDIAN
385	select SYS_SUPPORTS_ZBOOT_UART16550
386	select DMA_NONCOHERENT
387	select IRQ_MIPS_CPU
388	select PINCTRL
389	select GPIOLIB
390	select COMMON_CLK
391	select GENERIC_IRQ_CHIP
392	select BUILTIN_DTB
393	select USE_OF
394	select LIBFDT
395
396config LANTIQ
397	bool "Lantiq based platforms"
398	select DMA_NONCOHERENT
399	select IRQ_MIPS_CPU
400	select CEVT_R4K
401	select CSRC_R4K
402	select SYS_HAS_CPU_MIPS32_R1
403	select SYS_HAS_CPU_MIPS32_R2
404	select SYS_SUPPORTS_BIG_ENDIAN
405	select SYS_SUPPORTS_32BIT_KERNEL
406	select SYS_SUPPORTS_MIPS16
407	select SYS_SUPPORTS_MULTITHREADING
408	select SYS_SUPPORTS_VPE_LOADER
409	select SYS_HAS_EARLY_PRINTK
410	select GPIOLIB
411	select SWAP_IO_SPACE
412	select BOOT_RAW
413	select CLKDEV_LOOKUP
414	select USE_OF
415	select PINCTRL
416	select PINCTRL_LANTIQ
417	select ARCH_HAS_RESET_CONTROLLER
418	select RESET_CONTROLLER
419
420config LASAT
421	bool "LASAT Networks platforms"
422	select CEVT_R4K
423	select CRC32
424	select CSRC_R4K
425	select DMA_NONCOHERENT
426	select SYS_HAS_EARLY_PRINTK
427	select HW_HAS_PCI
428	select IRQ_MIPS_CPU
429	select PCI_GT64XXX_PCI0
430	select MIPS_NILE4
431	select R5000_CPU_SCACHE
432	select SYS_HAS_CPU_R5000
433	select SYS_SUPPORTS_32BIT_KERNEL
434	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
435	select SYS_SUPPORTS_LITTLE_ENDIAN
436
437config MACH_LOONGSON32
438	bool "Loongson-1 family of machines"
439	select SYS_SUPPORTS_ZBOOT
440	help
441	  This enables support for the Loongson-1 family of machines.
442
443	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
444	  the Institute of Computing Technology (ICT), Chinese Academy of
445	  Sciences (CAS).
446
447config MACH_LOONGSON64
448	bool "Loongson-2/3 family of machines"
449	select SYS_SUPPORTS_ZBOOT
450	help
451	  This enables the support of Loongson-2/3 family of machines.
452
453	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
454	  family of multi-core CPUs. They are both 64-bit general-purpose
455	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
456	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
457	  in the People's Republic of China. The chief architect is Professor
458	  Weiwu Hu.
459
460config MACH_PISTACHIO
461	bool "IMG Pistachio SoC based boards"
462	select BOOT_ELF32
463	select BOOT_RAW
464	select CEVT_R4K
465	select CLKSRC_MIPS_GIC
466	select COMMON_CLK
467	select CSRC_R4K
468	select DMA_NONCOHERENT
469	select GPIOLIB
470	select IRQ_MIPS_CPU
471	select LIBFDT
472	select MFD_SYSCON
473	select MIPS_CPU_SCACHE
474	select MIPS_GIC
475	select PINCTRL
476	select REGULATOR
477	select SYS_HAS_CPU_MIPS32_R2
478	select SYS_SUPPORTS_32BIT_KERNEL
479	select SYS_SUPPORTS_LITTLE_ENDIAN
480	select SYS_SUPPORTS_MIPS_CPS
481	select SYS_SUPPORTS_MULTITHREADING
482	select SYS_SUPPORTS_RELOCATABLE
483	select SYS_SUPPORTS_ZBOOT
484	select SYS_HAS_EARLY_PRINTK
485	select USE_GENERIC_EARLY_PRINTK_8250
486	select USE_OF
487	help
488	  This enables support for the IMG Pistachio SoC platform.
489
490config MIPS_MALTA
491	bool "MIPS Malta board"
492	select ARCH_MAY_HAVE_PC_FDC
493	select ARCH_MIGHT_HAVE_PC_PARPORT
494	select ARCH_MIGHT_HAVE_PC_SERIO
495	select BOOT_ELF32
496	select BOOT_RAW
497	select BUILTIN_DTB
498	select CEVT_R4K
499	select CSRC_R4K
500	select CLKSRC_MIPS_GIC
501	select COMMON_CLK
502	select DMA_MAYBE_COHERENT
503	select GENERIC_ISA_DMA
504	select HAVE_PCSPKR_PLATFORM
505	select IRQ_MIPS_CPU
506	select MIPS_GIC
507	select HW_HAS_PCI
508	select I8253
509	select I8259
510	select MIPS_BONITO64
511	select MIPS_CPU_SCACHE
512	select MIPS_L1_CACHE_SHIFT_6
513	select PCI_GT64XXX_PCI0
514	select MIPS_MSC
515	select SMP_UP if SMP
516	select SWAP_IO_SPACE
517	select SYS_HAS_CPU_MIPS32_R1
518	select SYS_HAS_CPU_MIPS32_R2
519	select SYS_HAS_CPU_MIPS32_R3_5
520	select SYS_HAS_CPU_MIPS32_R5
521	select SYS_HAS_CPU_MIPS32_R6
522	select SYS_HAS_CPU_MIPS64_R1
523	select SYS_HAS_CPU_MIPS64_R2
524	select SYS_HAS_CPU_MIPS64_R6
525	select SYS_HAS_CPU_NEVADA
526	select SYS_HAS_CPU_RM7000
527	select SYS_SUPPORTS_32BIT_KERNEL
528	select SYS_SUPPORTS_64BIT_KERNEL
529	select SYS_SUPPORTS_BIG_ENDIAN
530	select SYS_SUPPORTS_HIGHMEM
531	select SYS_SUPPORTS_LITTLE_ENDIAN
532	select SYS_SUPPORTS_MICROMIPS
533	select SYS_SUPPORTS_MIPS_CMP
534	select SYS_SUPPORTS_MIPS_CPS
535	select SYS_SUPPORTS_MIPS16
536	select SYS_SUPPORTS_MULTITHREADING
537	select SYS_SUPPORTS_SMARTMIPS
538	select SYS_SUPPORTS_VPE_LOADER
539	select SYS_SUPPORTS_ZBOOT
540	select SYS_SUPPORTS_RELOCATABLE
541	select USE_OF
542	select LIBFDT
543	select ZONE_DMA32 if 64BIT
544	select BUILTIN_DTB
545	select LIBFDT
546	help
547	  This enables support for the MIPS Technologies Malta evaluation
548	  board.
549
550config MACH_PIC32
551	bool "Microchip PIC32 Family"
552	help
553	  This enables support for the Microchip PIC32 family of platforms.
554
555	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
556	  microcontrollers.
557
558config NEC_MARKEINS
559	bool "NEC EMMA2RH Mark-eins board"
560	select SOC_EMMA2RH
561	select HW_HAS_PCI
562	help
563	  This enables support for the NEC Electronics Mark-eins boards.
564
565config MACH_VR41XX
566	bool "NEC VR4100 series based machines"
567	select CEVT_R4K
568	select CSRC_R4K
569	select SYS_HAS_CPU_VR41XX
570	select SYS_SUPPORTS_MIPS16
571	select GPIOLIB
572
573config NXP_STB220
574	bool "NXP STB220 board"
575	select SOC_PNX833X
576	help
577	 Support for NXP Semiconductors STB220 Development Board.
578
579config NXP_STB225
580	bool "NXP 225 board"
581	select SOC_PNX833X
582	select SOC_PNX8335
583	help
584	 Support for NXP Semiconductors STB225 Development Board.
585
586config PMC_MSP
587	bool "PMC-Sierra MSP chipsets"
588	select CEVT_R4K
589	select CSRC_R4K
590	select DMA_NONCOHERENT
591	select SWAP_IO_SPACE
592	select NO_EXCEPT_FILL
593	select BOOT_RAW
594	select SYS_HAS_CPU_MIPS32_R1
595	select SYS_HAS_CPU_MIPS32_R2
596	select SYS_SUPPORTS_32BIT_KERNEL
597	select SYS_SUPPORTS_BIG_ENDIAN
598	select SYS_SUPPORTS_MIPS16
599	select IRQ_MIPS_CPU
600	select SERIAL_8250
601	select SERIAL_8250_CONSOLE
602	select USB_EHCI_BIG_ENDIAN_MMIO
603	select USB_EHCI_BIG_ENDIAN_DESC
604	help
605	  This adds support for the PMC-Sierra family of Multi-Service
606	  Processor System-On-A-Chips.  These parts include a number
607	  of integrated peripherals, interfaces and DSPs in addition to
608	  a variety of MIPS cores.
609
610config RALINK
611	bool "Ralink based machines"
612	select CEVT_R4K
613	select CSRC_R4K
614	select BOOT_RAW
615	select DMA_NONCOHERENT
616	select IRQ_MIPS_CPU
617	select USE_OF
618	select SYS_HAS_CPU_MIPS32_R1
619	select SYS_HAS_CPU_MIPS32_R2
620	select SYS_SUPPORTS_32BIT_KERNEL
621	select SYS_SUPPORTS_LITTLE_ENDIAN
622	select SYS_SUPPORTS_MIPS16
623	select SYS_HAS_EARLY_PRINTK
624	select CLKDEV_LOOKUP
625	select ARCH_HAS_RESET_CONTROLLER
626	select RESET_CONTROLLER
627
628config SGI_IP22
629	bool "SGI IP22 (Indy/Indigo2)"
630	select FW_ARC
631	select FW_ARC32
632	select ARCH_MIGHT_HAVE_PC_SERIO
633	select BOOT_ELF32
634	select CEVT_R4K
635	select CSRC_R4K
636	select DEFAULT_SGI_PARTITION
637	select DMA_NONCOHERENT
638	select HW_HAS_EISA
639	select I8253
640	select I8259
641	select IP22_CPU_SCACHE
642	select IRQ_MIPS_CPU
643	select GENERIC_ISA_DMA_SUPPORT_BROKEN
644	select SGI_HAS_I8042
645	select SGI_HAS_INDYDOG
646	select SGI_HAS_HAL2
647	select SGI_HAS_SEEQ
648	select SGI_HAS_WD93
649	select SGI_HAS_ZILOG
650	select SWAP_IO_SPACE
651	select SYS_HAS_CPU_R4X00
652	select SYS_HAS_CPU_R5000
653	#
654	# Disable EARLY_PRINTK for now since it leads to overwritten prom
655	# memory during early boot on some machines.
656	#
657	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
658	# for a more details discussion
659	#
660	# select SYS_HAS_EARLY_PRINTK
661	select SYS_SUPPORTS_32BIT_KERNEL
662	select SYS_SUPPORTS_64BIT_KERNEL
663	select SYS_SUPPORTS_BIG_ENDIAN
664	select MIPS_L1_CACHE_SHIFT_7
665	help
666	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
667	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
668	  that runs on these, say Y here.
669
670config SGI_IP27
671	bool "SGI IP27 (Origin200/2000)"
672	select ARCH_HAS_PHYS_TO_DMA
673	select FW_ARC
674	select FW_ARC64
675	select BOOT_ELF64
676	select DEFAULT_SGI_PARTITION
677	select SYS_HAS_EARLY_PRINTK
678	select HW_HAS_PCI
679	select NR_CPUS_DEFAULT_64
680	select SYS_HAS_CPU_R10000
681	select SYS_SUPPORTS_64BIT_KERNEL
682	select SYS_SUPPORTS_BIG_ENDIAN
683	select SYS_SUPPORTS_NUMA
684	select SYS_SUPPORTS_SMP
685	select MIPS_L1_CACHE_SHIFT_7
686	help
687	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
688	  workstations.  To compile a Linux kernel that runs on these, say Y
689	  here.
690
691config SGI_IP28
692	bool "SGI IP28 (Indigo2 R10k)"
693	select FW_ARC
694	select FW_ARC64
695	select ARCH_MIGHT_HAVE_PC_SERIO
696	select BOOT_ELF64
697	select CEVT_R4K
698	select CSRC_R4K
699	select DEFAULT_SGI_PARTITION
700	select DMA_NONCOHERENT
701	select GENERIC_ISA_DMA_SUPPORT_BROKEN
702	select IRQ_MIPS_CPU
703	select HW_HAS_EISA
704	select I8253
705	select I8259
706	select SGI_HAS_I8042
707	select SGI_HAS_INDYDOG
708	select SGI_HAS_HAL2
709	select SGI_HAS_SEEQ
710	select SGI_HAS_WD93
711	select SGI_HAS_ZILOG
712	select SWAP_IO_SPACE
713	select SYS_HAS_CPU_R10000
714	#
715	# Disable EARLY_PRINTK for now since it leads to overwritten prom
716	# memory during early boot on some machines.
717	#
718	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
719	# for a more details discussion
720	#
721	# select SYS_HAS_EARLY_PRINTK
722	select SYS_SUPPORTS_64BIT_KERNEL
723	select SYS_SUPPORTS_BIG_ENDIAN
724	select MIPS_L1_CACHE_SHIFT_7
725      help
726        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
727        kernel that runs on these, say Y here.
728
729config SGI_IP32
730	bool "SGI IP32 (O2)"
731	select ARCH_HAS_PHYS_TO_DMA
732	select FW_ARC
733	select FW_ARC32
734	select BOOT_ELF32
735	select CEVT_R4K
736	select CSRC_R4K
737	select DMA_NONCOHERENT
738	select HW_HAS_PCI
739	select IRQ_MIPS_CPU
740	select R5000_CPU_SCACHE
741	select RM7000_CPU_SCACHE
742	select SYS_HAS_CPU_R5000
743	select SYS_HAS_CPU_R10000 if BROKEN
744	select SYS_HAS_CPU_RM7000
745	select SYS_HAS_CPU_NEVADA
746	select SYS_SUPPORTS_64BIT_KERNEL
747	select SYS_SUPPORTS_BIG_ENDIAN
748	help
749	  If you want this kernel to run on SGI O2 workstation, say Y here.
750
751config SIBYTE_CRHINE
752	bool "Sibyte BCM91120C-CRhine"
753	select BOOT_ELF32
754	select SIBYTE_BCM1120
755	select SWAP_IO_SPACE
756	select SYS_HAS_CPU_SB1
757	select SYS_SUPPORTS_BIG_ENDIAN
758	select SYS_SUPPORTS_LITTLE_ENDIAN
759
760config SIBYTE_CARMEL
761	bool "Sibyte BCM91120x-Carmel"
762	select BOOT_ELF32
763	select SIBYTE_BCM1120
764	select SWAP_IO_SPACE
765	select SYS_HAS_CPU_SB1
766	select SYS_SUPPORTS_BIG_ENDIAN
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768
769config SIBYTE_CRHONE
770	bool "Sibyte BCM91125C-CRhone"
771	select BOOT_ELF32
772	select SIBYTE_BCM1125
773	select SWAP_IO_SPACE
774	select SYS_HAS_CPU_SB1
775	select SYS_SUPPORTS_BIG_ENDIAN
776	select SYS_SUPPORTS_HIGHMEM
777	select SYS_SUPPORTS_LITTLE_ENDIAN
778
779config SIBYTE_RHONE
780	bool "Sibyte BCM91125E-Rhone"
781	select BOOT_ELF32
782	select SIBYTE_BCM1125H
783	select SWAP_IO_SPACE
784	select SYS_HAS_CPU_SB1
785	select SYS_SUPPORTS_BIG_ENDIAN
786	select SYS_SUPPORTS_LITTLE_ENDIAN
787
788config SIBYTE_SWARM
789	bool "Sibyte BCM91250A-SWARM"
790	select BOOT_ELF32
791	select HAVE_PATA_PLATFORM
792	select SIBYTE_SB1250
793	select SWAP_IO_SPACE
794	select SYS_HAS_CPU_SB1
795	select SYS_SUPPORTS_BIG_ENDIAN
796	select SYS_SUPPORTS_HIGHMEM
797	select SYS_SUPPORTS_LITTLE_ENDIAN
798	select ZONE_DMA32 if 64BIT
799
800config SIBYTE_LITTLESUR
801	bool "Sibyte BCM91250C2-LittleSur"
802	select BOOT_ELF32
803	select HAVE_PATA_PLATFORM
804	select SIBYTE_SB1250
805	select SWAP_IO_SPACE
806	select SYS_HAS_CPU_SB1
807	select SYS_SUPPORTS_BIG_ENDIAN
808	select SYS_SUPPORTS_HIGHMEM
809	select SYS_SUPPORTS_LITTLE_ENDIAN
810
811config SIBYTE_SENTOSA
812	bool "Sibyte BCM91250E-Sentosa"
813	select BOOT_ELF32
814	select SIBYTE_SB1250
815	select SWAP_IO_SPACE
816	select SYS_HAS_CPU_SB1
817	select SYS_SUPPORTS_BIG_ENDIAN
818	select SYS_SUPPORTS_LITTLE_ENDIAN
819
820config SIBYTE_BIGSUR
821	bool "Sibyte BCM91480B-BigSur"
822	select BOOT_ELF32
823	select NR_CPUS_DEFAULT_4
824	select SIBYTE_BCM1x80
825	select SWAP_IO_SPACE
826	select SYS_HAS_CPU_SB1
827	select SYS_SUPPORTS_BIG_ENDIAN
828	select SYS_SUPPORTS_HIGHMEM
829	select SYS_SUPPORTS_LITTLE_ENDIAN
830	select ZONE_DMA32 if 64BIT
831
832config SNI_RM
833	bool "SNI RM200/300/400"
834	select FW_ARC if CPU_LITTLE_ENDIAN
835	select FW_ARC32 if CPU_LITTLE_ENDIAN
836	select FW_SNIPROM if CPU_BIG_ENDIAN
837	select ARCH_MAY_HAVE_PC_FDC
838	select ARCH_MIGHT_HAVE_PC_PARPORT
839	select ARCH_MIGHT_HAVE_PC_SERIO
840	select BOOT_ELF32
841	select CEVT_R4K
842	select CSRC_R4K
843	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
844	select DMA_NONCOHERENT
845	select GENERIC_ISA_DMA
846	select HAVE_PCSPKR_PLATFORM
847	select HW_HAS_EISA
848	select HW_HAS_PCI
849	select IRQ_MIPS_CPU
850	select I8253
851	select I8259
852	select ISA
853	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
854	select SYS_HAS_CPU_R4X00
855	select SYS_HAS_CPU_R5000
856	select SYS_HAS_CPU_R10000
857	select R5000_CPU_SCACHE
858	select SYS_HAS_EARLY_PRINTK
859	select SYS_SUPPORTS_32BIT_KERNEL
860	select SYS_SUPPORTS_64BIT_KERNEL
861	select SYS_SUPPORTS_BIG_ENDIAN
862	select SYS_SUPPORTS_HIGHMEM
863	select SYS_SUPPORTS_LITTLE_ENDIAN
864	help
865	  The SNI RM200/300/400 are MIPS-based machines manufactured by
866	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
867	  Technology and now in turn merged with Fujitsu.  Say Y here to
868	  support this machine type.
869
870config MACH_TX39XX
871	bool "Toshiba TX39 series based machines"
872
873config MACH_TX49XX
874	bool "Toshiba TX49 series based machines"
875
876config MIKROTIK_RB532
877	bool "Mikrotik RB532 boards"
878	select CEVT_R4K
879	select CSRC_R4K
880	select DMA_NONCOHERENT
881	select HW_HAS_PCI
882	select IRQ_MIPS_CPU
883	select SYS_HAS_CPU_MIPS32_R1
884	select SYS_SUPPORTS_32BIT_KERNEL
885	select SYS_SUPPORTS_LITTLE_ENDIAN
886	select SWAP_IO_SPACE
887	select BOOT_RAW
888	select GPIOLIB
889	select MIPS_L1_CACHE_SHIFT_4
890	help
891	  Support the Mikrotik(tm) RouterBoard 532 series,
892	  based on the IDT RC32434 SoC.
893
894config CAVIUM_OCTEON_SOC
895	bool "Cavium Networks Octeon SoC based boards"
896	select CEVT_R4K
897	select ARCH_HAS_PHYS_TO_DMA
898	select HAS_RAPIDIO
899	select PHYS_ADDR_T_64BIT
900	select SYS_SUPPORTS_64BIT_KERNEL
901	select SYS_SUPPORTS_BIG_ENDIAN
902	select EDAC_SUPPORT
903	select EDAC_ATOMIC_SCRUB
904	select SYS_SUPPORTS_LITTLE_ENDIAN
905	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
906	select SYS_HAS_EARLY_PRINTK
907	select SYS_HAS_CPU_CAVIUM_OCTEON
908	select HW_HAS_PCI
909	select ZONE_DMA32
910	select HOLES_IN_ZONE
911	select GPIOLIB
912	select LIBFDT
913	select USE_OF
914	select ARCH_SPARSEMEM_ENABLE
915	select SYS_SUPPORTS_SMP
916	select NR_CPUS_DEFAULT_64
917	select MIPS_NR_CPU_NR_MAP_1024
918	select BUILTIN_DTB
919	select MTD_COMPLEX_MAPPINGS
920	select SWIOTLB
921	select SYS_SUPPORTS_RELOCATABLE
922	help
923	  This option supports all of the Octeon reference boards from Cavium
924	  Networks. It builds a kernel that dynamically determines the Octeon
925	  CPU type and supports all known board reference implementations.
926	  Some of the supported boards are:
927		EBT3000
928		EBH3000
929		EBH3100
930		Thunder
931		Kodama
932		Hikari
933	  Say Y here for most Octeon reference boards.
934
935config NLM_XLR_BOARD
936	bool "Netlogic XLR/XLS based systems"
937	select BOOT_ELF32
938	select NLM_COMMON
939	select SYS_HAS_CPU_XLR
940	select SYS_SUPPORTS_SMP
941	select HW_HAS_PCI
942	select SWAP_IO_SPACE
943	select SYS_SUPPORTS_32BIT_KERNEL
944	select SYS_SUPPORTS_64BIT_KERNEL
945	select PHYS_ADDR_T_64BIT
946	select SYS_SUPPORTS_BIG_ENDIAN
947	select SYS_SUPPORTS_HIGHMEM
948	select NR_CPUS_DEFAULT_32
949	select CEVT_R4K
950	select CSRC_R4K
951	select IRQ_MIPS_CPU
952	select ZONE_DMA32 if 64BIT
953	select SYNC_R4K
954	select SYS_HAS_EARLY_PRINTK
955	select SYS_SUPPORTS_ZBOOT
956	select SYS_SUPPORTS_ZBOOT_UART16550
957	help
958	  Support for systems based on Netlogic XLR and XLS processors.
959	  Say Y here if you have a XLR or XLS based board.
960
961config NLM_XLP_BOARD
962	bool "Netlogic XLP based systems"
963	select BOOT_ELF32
964	select NLM_COMMON
965	select SYS_HAS_CPU_XLP
966	select SYS_SUPPORTS_SMP
967	select HW_HAS_PCI
968	select SYS_SUPPORTS_32BIT_KERNEL
969	select SYS_SUPPORTS_64BIT_KERNEL
970	select PHYS_ADDR_T_64BIT
971	select GPIOLIB
972	select SYS_SUPPORTS_BIG_ENDIAN
973	select SYS_SUPPORTS_LITTLE_ENDIAN
974	select SYS_SUPPORTS_HIGHMEM
975	select NR_CPUS_DEFAULT_32
976	select CEVT_R4K
977	select CSRC_R4K
978	select IRQ_MIPS_CPU
979	select ZONE_DMA32 if 64BIT
980	select SYNC_R4K
981	select SYS_HAS_EARLY_PRINTK
982	select USE_OF
983	select SYS_SUPPORTS_ZBOOT
984	select SYS_SUPPORTS_ZBOOT_UART16550
985	help
986	  This board is based on Netlogic XLP Processor.
987	  Say Y here if you have a XLP based board.
988
989config MIPS_PARAVIRT
990	bool "Para-Virtualized guest system"
991	select CEVT_R4K
992	select CSRC_R4K
993	select SYS_SUPPORTS_64BIT_KERNEL
994	select SYS_SUPPORTS_32BIT_KERNEL
995	select SYS_SUPPORTS_BIG_ENDIAN
996	select SYS_SUPPORTS_SMP
997	select NR_CPUS_DEFAULT_4
998	select SYS_HAS_EARLY_PRINTK
999	select SYS_HAS_CPU_MIPS32_R2
1000	select SYS_HAS_CPU_MIPS64_R2
1001	select SYS_HAS_CPU_CAVIUM_OCTEON
1002	select HW_HAS_PCI
1003	select SWAP_IO_SPACE
1004	help
1005	  This option supports guest running under ????
1006
1007endchoice
1008
1009source "arch/mips/alchemy/Kconfig"
1010source "arch/mips/ath25/Kconfig"
1011source "arch/mips/ath79/Kconfig"
1012source "arch/mips/bcm47xx/Kconfig"
1013source "arch/mips/bcm63xx/Kconfig"
1014source "arch/mips/bmips/Kconfig"
1015source "arch/mips/generic/Kconfig"
1016source "arch/mips/jazz/Kconfig"
1017source "arch/mips/jz4740/Kconfig"
1018source "arch/mips/lantiq/Kconfig"
1019source "arch/mips/lasat/Kconfig"
1020source "arch/mips/pic32/Kconfig"
1021source "arch/mips/pistachio/Kconfig"
1022source "arch/mips/pmcs-msp71xx/Kconfig"
1023source "arch/mips/ralink/Kconfig"
1024source "arch/mips/sgi-ip27/Kconfig"
1025source "arch/mips/sibyte/Kconfig"
1026source "arch/mips/txx9/Kconfig"
1027source "arch/mips/vr41xx/Kconfig"
1028source "arch/mips/cavium-octeon/Kconfig"
1029source "arch/mips/loongson32/Kconfig"
1030source "arch/mips/loongson64/Kconfig"
1031source "arch/mips/netlogic/Kconfig"
1032source "arch/mips/paravirt/Kconfig"
1033
1034endmenu
1035
1036config RWSEM_GENERIC_SPINLOCK
1037	bool
1038	default y
1039
1040config RWSEM_XCHGADD_ALGORITHM
1041	bool
1042
1043config GENERIC_HWEIGHT
1044	bool
1045	default y
1046
1047config GENERIC_CALIBRATE_DELAY
1048	bool
1049	default y
1050
1051config SCHED_OMIT_FRAME_POINTER
1052	bool
1053	default y
1054
1055#
1056# Select some configuration options automatically based on user selections.
1057#
1058config FW_ARC
1059	bool
1060
1061config ARCH_MAY_HAVE_PC_FDC
1062	bool
1063
1064config BOOT_RAW
1065	bool
1066
1067config CEVT_BCM1480
1068	bool
1069
1070config CEVT_DS1287
1071	bool
1072
1073config CEVT_GT641XX
1074	bool
1075
1076config CEVT_R4K
1077	bool
1078
1079config CEVT_SB1250
1080	bool
1081
1082config CEVT_TXX9
1083	bool
1084
1085config CSRC_BCM1480
1086	bool
1087
1088config CSRC_IOASIC
1089	bool
1090
1091config CSRC_R4K
1092	bool
1093
1094config CSRC_SB1250
1095	bool
1096
1097config MIPS_CLOCK_VSYSCALL
1098	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1099
1100config GPIO_TXX9
1101	select GPIOLIB
1102	bool
1103
1104config FW_CFE
1105	bool
1106
1107config ARCH_SUPPORTS_UPROBES
1108	bool
1109
1110config DMA_MAYBE_COHERENT
1111	select ARCH_HAS_DMA_COHERENCE_H
1112	select DMA_NONCOHERENT
1113	bool
1114
1115config DMA_PERDEV_COHERENT
1116	bool
1117	select DMA_NONCOHERENT
1118
1119config DMA_NONCOHERENT
1120	bool
1121	select ARCH_HAS_DMA_MMAP_PGPROT
1122	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1123	select ARCH_HAS_SYNC_DMA_FOR_CPU
1124	select NEED_DMA_MAP_STATE
1125	select ARCH_HAS_DMA_COHERENT_TO_PFN
1126	select DMA_NONCOHERENT_CACHE_SYNC
1127
1128config SYS_HAS_EARLY_PRINTK
1129	bool
1130
1131config SYS_SUPPORTS_HOTPLUG_CPU
1132	bool
1133
1134config MIPS_BONITO64
1135	bool
1136
1137config MIPS_MSC
1138	bool
1139
1140config MIPS_NILE4
1141	bool
1142
1143config SYNC_R4K
1144	bool
1145
1146config MIPS_MACHINE
1147	def_bool n
1148
1149config NO_IOPORT_MAP
1150	def_bool n
1151
1152config GENERIC_CSUM
1153	bool
1154	default y if !CPU_HAS_LOAD_STORE_LR
1155
1156config GENERIC_ISA_DMA
1157	bool
1158	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1159	select ISA_DMA_API
1160
1161config GENERIC_ISA_DMA_SUPPORT_BROKEN
1162	bool
1163	select GENERIC_ISA_DMA
1164
1165config ISA_DMA_API
1166	bool
1167
1168config HOLES_IN_ZONE
1169	bool
1170
1171config SYS_SUPPORTS_RELOCATABLE
1172	bool
1173	help
1174	 Selected if the platform supports relocating the kernel.
1175	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1176	 to allow access to command line and entropy sources.
1177
1178config MIPS_CBPF_JIT
1179	def_bool y
1180	depends on BPF_JIT && HAVE_CBPF_JIT
1181
1182config MIPS_EBPF_JIT
1183	def_bool y
1184	depends on BPF_JIT && HAVE_EBPF_JIT
1185
1186
1187#
1188# Endianness selection.  Sufficiently obscure so many users don't know what to
1189# answer,so we try hard to limit the available choices.  Also the use of a
1190# choice statement should be more obvious to the user.
1191#
1192choice
1193	prompt "Endianness selection"
1194	help
1195	  Some MIPS machines can be configured for either little or big endian
1196	  byte order. These modes require different kernels and a different
1197	  Linux distribution.  In general there is one preferred byteorder for a
1198	  particular system but some systems are just as commonly used in the
1199	  one or the other endianness.
1200
1201config CPU_BIG_ENDIAN
1202	bool "Big endian"
1203	depends on SYS_SUPPORTS_BIG_ENDIAN
1204
1205config CPU_LITTLE_ENDIAN
1206	bool "Little endian"
1207	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1208
1209endchoice
1210
1211config EXPORT_UASM
1212	bool
1213
1214config SYS_SUPPORTS_APM_EMULATION
1215	bool
1216
1217config SYS_SUPPORTS_BIG_ENDIAN
1218	bool
1219
1220config SYS_SUPPORTS_LITTLE_ENDIAN
1221	bool
1222
1223config SYS_SUPPORTS_HUGETLBFS
1224	bool
1225	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1226	default y
1227
1228config MIPS_HUGE_TLB_SUPPORT
1229	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1230
1231config IRQ_CPU_RM7K
1232	bool
1233
1234config IRQ_MSP_SLP
1235	bool
1236
1237config IRQ_MSP_CIC
1238	bool
1239
1240config IRQ_TXX9
1241	bool
1242
1243config IRQ_GT641XX
1244	bool
1245
1246config PCI_GT64XXX_PCI0
1247	bool
1248
1249config NO_EXCEPT_FILL
1250	bool
1251
1252config SOC_EMMA2RH
1253	bool
1254	select CEVT_R4K
1255	select CSRC_R4K
1256	select DMA_NONCOHERENT
1257	select IRQ_MIPS_CPU
1258	select SWAP_IO_SPACE
1259	select SYS_HAS_CPU_R5500
1260	select SYS_SUPPORTS_32BIT_KERNEL
1261	select SYS_SUPPORTS_64BIT_KERNEL
1262	select SYS_SUPPORTS_BIG_ENDIAN
1263
1264config SOC_PNX833X
1265	bool
1266	select CEVT_R4K
1267	select CSRC_R4K
1268	select IRQ_MIPS_CPU
1269	select DMA_NONCOHERENT
1270	select SYS_HAS_CPU_MIPS32_R2
1271	select SYS_SUPPORTS_32BIT_KERNEL
1272	select SYS_SUPPORTS_LITTLE_ENDIAN
1273	select SYS_SUPPORTS_BIG_ENDIAN
1274	select SYS_SUPPORTS_MIPS16
1275	select CPU_MIPSR2_IRQ_VI
1276
1277config SOC_PNX8335
1278	bool
1279	select SOC_PNX833X
1280
1281config MIPS_SPRAM
1282	bool
1283
1284config SWAP_IO_SPACE
1285	bool
1286
1287config SGI_HAS_INDYDOG
1288	bool
1289
1290config SGI_HAS_HAL2
1291	bool
1292
1293config SGI_HAS_SEEQ
1294	bool
1295
1296config SGI_HAS_WD93
1297	bool
1298
1299config SGI_HAS_ZILOG
1300	bool
1301
1302config SGI_HAS_I8042
1303	bool
1304
1305config DEFAULT_SGI_PARTITION
1306	bool
1307
1308config FW_ARC32
1309	bool
1310
1311config FW_SNIPROM
1312	bool
1313
1314config BOOT_ELF32
1315	bool
1316
1317config MIPS_L1_CACHE_SHIFT_4
1318	bool
1319
1320config MIPS_L1_CACHE_SHIFT_5
1321	bool
1322
1323config MIPS_L1_CACHE_SHIFT_6
1324	bool
1325
1326config MIPS_L1_CACHE_SHIFT_7
1327	bool
1328
1329config MIPS_L1_CACHE_SHIFT
1330	int
1331	default "7" if MIPS_L1_CACHE_SHIFT_7
1332	default "6" if MIPS_L1_CACHE_SHIFT_6
1333	default "5" if MIPS_L1_CACHE_SHIFT_5
1334	default "4" if MIPS_L1_CACHE_SHIFT_4
1335	default "5"
1336
1337config HAVE_STD_PC_SERIAL_PORT
1338	bool
1339
1340config ARC_CONSOLE
1341	bool "ARC console support"
1342	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1343
1344config ARC_MEMORY
1345	bool
1346	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1347	default y
1348
1349config ARC_PROMLIB
1350	bool
1351	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1352	default y
1353
1354config FW_ARC64
1355	bool
1356
1357config BOOT_ELF64
1358	bool
1359
1360menu "CPU selection"
1361
1362choice
1363	prompt "CPU type"
1364	default CPU_R4X00
1365
1366config CPU_LOONGSON3
1367	bool "Loongson 3 CPU"
1368	depends on SYS_HAS_CPU_LOONGSON3
1369	select ARCH_HAS_PHYS_TO_DMA
1370	select CPU_SUPPORTS_64BIT_KERNEL
1371	select CPU_SUPPORTS_HIGHMEM
1372	select CPU_SUPPORTS_HUGEPAGES
1373	select CPU_HAS_LOAD_STORE_LR
1374	select WEAK_ORDERING
1375	select WEAK_REORDERING_BEYOND_LLSC
1376	select MIPS_PGD_C0_CONTEXT
1377	select MIPS_L1_CACHE_SHIFT_6
1378	select GPIOLIB
1379	select SWIOTLB
1380	help
1381		The Loongson 3 processor implements the MIPS64R2 instruction
1382		set with many extensions.
1383
1384config LOONGSON3_ENHANCEMENT
1385	bool "New Loongson 3 CPU Enhancements"
1386	default n
1387	select CPU_MIPSR2
1388	select CPU_HAS_PREFETCH
1389	depends on CPU_LOONGSON3
1390	help
1391	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1392	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1393	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1394	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1395	  Fast TLB refill support, etc.
1396
1397	  This option enable those enhancements which are not probed at run
1398	  time. If you want a generic kernel to run on all Loongson 3 machines,
1399	  please say 'N' here. If you want a high-performance kernel to run on
1400	  new Loongson 3 machines only, please say 'Y' here.
1401
1402config CPU_LOONGSON2E
1403	bool "Loongson 2E"
1404	depends on SYS_HAS_CPU_LOONGSON2E
1405	select CPU_LOONGSON2
1406	help
1407	  The Loongson 2E processor implements the MIPS III instruction set
1408	  with many extensions.
1409
1410	  It has an internal FPGA northbridge, which is compatible to
1411	  bonito64.
1412
1413config CPU_LOONGSON2F
1414	bool "Loongson 2F"
1415	depends on SYS_HAS_CPU_LOONGSON2F
1416	select CPU_LOONGSON2
1417	select GPIOLIB
1418	help
1419	  The Loongson 2F processor implements the MIPS III instruction set
1420	  with many extensions.
1421
1422	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1423	  have a similar programming interface with FPGA northbridge used in
1424	  Loongson2E.
1425
1426config CPU_LOONGSON1B
1427	bool "Loongson 1B"
1428	depends on SYS_HAS_CPU_LOONGSON1B
1429	select CPU_LOONGSON1
1430	select LEDS_GPIO_REGISTER
1431	help
1432	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1433	  Release 1 instruction set and part of the MIPS32 Release 2
1434	  instruction set.
1435
1436config CPU_LOONGSON1C
1437	bool "Loongson 1C"
1438	depends on SYS_HAS_CPU_LOONGSON1C
1439	select CPU_LOONGSON1
1440	select LEDS_GPIO_REGISTER
1441	help
1442	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1443	  Release 1 instruction set and part of the MIPS32 Release 2
1444	  instruction set.
1445
1446config CPU_MIPS32_R1
1447	bool "MIPS32 Release 1"
1448	depends on SYS_HAS_CPU_MIPS32_R1
1449	select CPU_HAS_PREFETCH
1450	select CPU_HAS_LOAD_STORE_LR
1451	select CPU_SUPPORTS_32BIT_KERNEL
1452	select CPU_SUPPORTS_HIGHMEM
1453	help
1454	  Choose this option to build a kernel for release 1 or later of the
1455	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1456	  MIPS processor are based on a MIPS32 processor.  If you know the
1457	  specific type of processor in your system, choose those that one
1458	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1459	  Release 2 of the MIPS32 architecture is available since several
1460	  years so chances are you even have a MIPS32 Release 2 processor
1461	  in which case you should choose CPU_MIPS32_R2 instead for better
1462	  performance.
1463
1464config CPU_MIPS32_R2
1465	bool "MIPS32 Release 2"
1466	depends on SYS_HAS_CPU_MIPS32_R2
1467	select CPU_HAS_PREFETCH
1468	select CPU_HAS_LOAD_STORE_LR
1469	select CPU_SUPPORTS_32BIT_KERNEL
1470	select CPU_SUPPORTS_HIGHMEM
1471	select CPU_SUPPORTS_MSA
1472	select HAVE_KVM
1473	help
1474	  Choose this option to build a kernel for release 2 or later of the
1475	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1476	  MIPS processor are based on a MIPS32 processor.  If you know the
1477	  specific type of processor in your system, choose those that one
1478	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1479
1480config CPU_MIPS32_R6
1481	bool "MIPS32 Release 6"
1482	depends on SYS_HAS_CPU_MIPS32_R6
1483	select CPU_HAS_PREFETCH
1484	select CPU_SUPPORTS_32BIT_KERNEL
1485	select CPU_SUPPORTS_HIGHMEM
1486	select CPU_SUPPORTS_MSA
1487	select HAVE_KVM
1488	select MIPS_O32_FP64_SUPPORT
1489	help
1490	  Choose this option to build a kernel for release 6 or later of the
1491	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1492	  family, are based on a MIPS32r6 processor. If you own an older
1493	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1494
1495config CPU_MIPS64_R1
1496	bool "MIPS64 Release 1"
1497	depends on SYS_HAS_CPU_MIPS64_R1
1498	select CPU_HAS_PREFETCH
1499	select CPU_HAS_LOAD_STORE_LR
1500	select CPU_SUPPORTS_32BIT_KERNEL
1501	select CPU_SUPPORTS_64BIT_KERNEL
1502	select CPU_SUPPORTS_HIGHMEM
1503	select CPU_SUPPORTS_HUGEPAGES
1504	help
1505	  Choose this option to build a kernel for release 1 or later of the
1506	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1507	  MIPS processor are based on a MIPS64 processor.  If you know the
1508	  specific type of processor in your system, choose those that one
1509	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1510	  Release 2 of the MIPS64 architecture is available since several
1511	  years so chances are you even have a MIPS64 Release 2 processor
1512	  in which case you should choose CPU_MIPS64_R2 instead for better
1513	  performance.
1514
1515config CPU_MIPS64_R2
1516	bool "MIPS64 Release 2"
1517	depends on SYS_HAS_CPU_MIPS64_R2
1518	select CPU_HAS_PREFETCH
1519	select CPU_HAS_LOAD_STORE_LR
1520	select CPU_SUPPORTS_32BIT_KERNEL
1521	select CPU_SUPPORTS_64BIT_KERNEL
1522	select CPU_SUPPORTS_HIGHMEM
1523	select CPU_SUPPORTS_HUGEPAGES
1524	select CPU_SUPPORTS_MSA
1525	select HAVE_KVM
1526	help
1527	  Choose this option to build a kernel for release 2 or later of the
1528	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1529	  MIPS processor are based on a MIPS64 processor.  If you know the
1530	  specific type of processor in your system, choose those that one
1531	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1532
1533config CPU_MIPS64_R6
1534	bool "MIPS64 Release 6"
1535	depends on SYS_HAS_CPU_MIPS64_R6
1536	select CPU_HAS_PREFETCH
1537	select CPU_SUPPORTS_32BIT_KERNEL
1538	select CPU_SUPPORTS_64BIT_KERNEL
1539	select CPU_SUPPORTS_HIGHMEM
1540	select CPU_SUPPORTS_MSA
1541	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1542	select HAVE_KVM
1543	help
1544	  Choose this option to build a kernel for release 6 or later of the
1545	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1546	  family, are based on a MIPS64r6 processor. If you own an older
1547	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1548
1549config CPU_R3000
1550	bool "R3000"
1551	depends on SYS_HAS_CPU_R3000
1552	select CPU_HAS_WB
1553	select CPU_HAS_LOAD_STORE_LR
1554	select CPU_SUPPORTS_32BIT_KERNEL
1555	select CPU_SUPPORTS_HIGHMEM
1556	help
1557	  Please make sure to pick the right CPU type. Linux/MIPS is not
1558	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1559	  *not* work on R4000 machines and vice versa.  However, since most
1560	  of the supported machines have an R4000 (or similar) CPU, R4x00
1561	  might be a safe bet.  If the resulting kernel does not work,
1562	  try to recompile with R3000.
1563
1564config CPU_TX39XX
1565	bool "R39XX"
1566	depends on SYS_HAS_CPU_TX39XX
1567	select CPU_SUPPORTS_32BIT_KERNEL
1568	select CPU_HAS_LOAD_STORE_LR
1569
1570config CPU_VR41XX
1571	bool "R41xx"
1572	depends on SYS_HAS_CPU_VR41XX
1573	select CPU_SUPPORTS_32BIT_KERNEL
1574	select CPU_SUPPORTS_64BIT_KERNEL
1575	select CPU_HAS_LOAD_STORE_LR
1576	help
1577	  The options selects support for the NEC VR4100 series of processors.
1578	  Only choose this option if you have one of these processors as a
1579	  kernel built with this option will not run on any other type of
1580	  processor or vice versa.
1581
1582config CPU_R4300
1583	bool "R4300"
1584	depends on SYS_HAS_CPU_R4300
1585	select CPU_SUPPORTS_32BIT_KERNEL
1586	select CPU_SUPPORTS_64BIT_KERNEL
1587	select CPU_HAS_LOAD_STORE_LR
1588	help
1589	  MIPS Technologies R4300-series processors.
1590
1591config CPU_R4X00
1592	bool "R4x00"
1593	depends on SYS_HAS_CPU_R4X00
1594	select CPU_SUPPORTS_32BIT_KERNEL
1595	select CPU_SUPPORTS_64BIT_KERNEL
1596	select CPU_SUPPORTS_HUGEPAGES
1597	select CPU_HAS_LOAD_STORE_LR
1598	help
1599	  MIPS Technologies R4000-series processors other than 4300, including
1600	  the R4000, R4400, R4600, and 4700.
1601
1602config CPU_TX49XX
1603	bool "R49XX"
1604	depends on SYS_HAS_CPU_TX49XX
1605	select CPU_HAS_PREFETCH
1606	select CPU_HAS_LOAD_STORE_LR
1607	select CPU_SUPPORTS_32BIT_KERNEL
1608	select CPU_SUPPORTS_64BIT_KERNEL
1609	select CPU_SUPPORTS_HUGEPAGES
1610
1611config CPU_R5000
1612	bool "R5000"
1613	depends on SYS_HAS_CPU_R5000
1614	select CPU_SUPPORTS_32BIT_KERNEL
1615	select CPU_SUPPORTS_64BIT_KERNEL
1616	select CPU_SUPPORTS_HUGEPAGES
1617	select CPU_HAS_LOAD_STORE_LR
1618	help
1619	  MIPS Technologies R5000-series processors other than the Nevada.
1620
1621config CPU_R5432
1622	bool "R5432"
1623	depends on SYS_HAS_CPU_R5432
1624	select CPU_SUPPORTS_32BIT_KERNEL
1625	select CPU_SUPPORTS_64BIT_KERNEL
1626	select CPU_SUPPORTS_HUGEPAGES
1627	select CPU_HAS_LOAD_STORE_LR
1628
1629config CPU_R5500
1630	bool "R5500"
1631	depends on SYS_HAS_CPU_R5500
1632	select CPU_SUPPORTS_32BIT_KERNEL
1633	select CPU_SUPPORTS_64BIT_KERNEL
1634	select CPU_SUPPORTS_HUGEPAGES
1635	select CPU_HAS_LOAD_STORE_LR
1636	help
1637	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1638	  instruction set.
1639
1640config CPU_NEVADA
1641	bool "RM52xx"
1642	depends on SYS_HAS_CPU_NEVADA
1643	select CPU_SUPPORTS_32BIT_KERNEL
1644	select CPU_SUPPORTS_64BIT_KERNEL
1645	select CPU_SUPPORTS_HUGEPAGES
1646	select CPU_HAS_LOAD_STORE_LR
1647	help
1648	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1649
1650config CPU_R8000
1651	bool "R8000"
1652	depends on SYS_HAS_CPU_R8000
1653	select CPU_HAS_PREFETCH
1654	select CPU_HAS_LOAD_STORE_LR
1655	select CPU_SUPPORTS_64BIT_KERNEL
1656	help
1657	  MIPS Technologies R8000 processors.  Note these processors are
1658	  uncommon and the support for them is incomplete.
1659
1660config CPU_R10000
1661	bool "R10000"
1662	depends on SYS_HAS_CPU_R10000
1663	select CPU_HAS_PREFETCH
1664	select CPU_HAS_LOAD_STORE_LR
1665	select CPU_SUPPORTS_32BIT_KERNEL
1666	select CPU_SUPPORTS_64BIT_KERNEL
1667	select CPU_SUPPORTS_HIGHMEM
1668	select CPU_SUPPORTS_HUGEPAGES
1669	help
1670	  MIPS Technologies R10000-series processors.
1671
1672config CPU_RM7000
1673	bool "RM7000"
1674	depends on SYS_HAS_CPU_RM7000
1675	select CPU_HAS_PREFETCH
1676	select CPU_HAS_LOAD_STORE_LR
1677	select CPU_SUPPORTS_32BIT_KERNEL
1678	select CPU_SUPPORTS_64BIT_KERNEL
1679	select CPU_SUPPORTS_HIGHMEM
1680	select CPU_SUPPORTS_HUGEPAGES
1681
1682config CPU_SB1
1683	bool "SB1"
1684	depends on SYS_HAS_CPU_SB1
1685	select CPU_HAS_LOAD_STORE_LR
1686	select CPU_SUPPORTS_32BIT_KERNEL
1687	select CPU_SUPPORTS_64BIT_KERNEL
1688	select CPU_SUPPORTS_HIGHMEM
1689	select CPU_SUPPORTS_HUGEPAGES
1690	select WEAK_ORDERING
1691
1692config CPU_CAVIUM_OCTEON
1693	bool "Cavium Octeon processor"
1694	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1695	select CPU_HAS_PREFETCH
1696	select CPU_HAS_LOAD_STORE_LR
1697	select CPU_SUPPORTS_64BIT_KERNEL
1698	select WEAK_ORDERING
1699	select CPU_SUPPORTS_HIGHMEM
1700	select CPU_SUPPORTS_HUGEPAGES
1701	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1702	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1703	select MIPS_L1_CACHE_SHIFT_7
1704	select HAVE_KVM
1705	help
1706	  The Cavium Octeon processor is a highly integrated chip containing
1707	  many ethernet hardware widgets for networking tasks. The processor
1708	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1709	  Full details can be found at http://www.caviumnetworks.com.
1710
1711config CPU_BMIPS
1712	bool "Broadcom BMIPS"
1713	depends on SYS_HAS_CPU_BMIPS
1714	select CPU_MIPS32
1715	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1716	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1717	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1718	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1719	select CPU_SUPPORTS_32BIT_KERNEL
1720	select DMA_NONCOHERENT
1721	select IRQ_MIPS_CPU
1722	select SWAP_IO_SPACE
1723	select WEAK_ORDERING
1724	select CPU_SUPPORTS_HIGHMEM
1725	select CPU_HAS_PREFETCH
1726	select CPU_HAS_LOAD_STORE_LR
1727	select CPU_SUPPORTS_CPUFREQ
1728	select MIPS_EXTERNAL_TIMER
1729	help
1730	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1731
1732config CPU_XLR
1733	bool "Netlogic XLR SoC"
1734	depends on SYS_HAS_CPU_XLR
1735	select CPU_HAS_LOAD_STORE_LR
1736	select CPU_SUPPORTS_32BIT_KERNEL
1737	select CPU_SUPPORTS_64BIT_KERNEL
1738	select CPU_SUPPORTS_HIGHMEM
1739	select CPU_SUPPORTS_HUGEPAGES
1740	select WEAK_ORDERING
1741	select WEAK_REORDERING_BEYOND_LLSC
1742	help
1743	  Netlogic Microsystems XLR/XLS processors.
1744
1745config CPU_XLP
1746	bool "Netlogic XLP SoC"
1747	depends on SYS_HAS_CPU_XLP
1748	select CPU_SUPPORTS_32BIT_KERNEL
1749	select CPU_SUPPORTS_64BIT_KERNEL
1750	select CPU_SUPPORTS_HIGHMEM
1751	select WEAK_ORDERING
1752	select WEAK_REORDERING_BEYOND_LLSC
1753	select CPU_HAS_PREFETCH
1754	select CPU_HAS_LOAD_STORE_LR
1755	select CPU_MIPSR2
1756	select CPU_SUPPORTS_HUGEPAGES
1757	select MIPS_ASID_BITS_VARIABLE
1758	help
1759	  Netlogic Microsystems XLP processors.
1760endchoice
1761
1762config CPU_MIPS32_3_5_FEATURES
1763	bool "MIPS32 Release 3.5 Features"
1764	depends on SYS_HAS_CPU_MIPS32_R3_5
1765	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1766	help
1767	  Choose this option to build a kernel for release 2 or later of the
1768	  MIPS32 architecture including features from the 3.5 release such as
1769	  support for Enhanced Virtual Addressing (EVA).
1770
1771config CPU_MIPS32_3_5_EVA
1772	bool "Enhanced Virtual Addressing (EVA)"
1773	depends on CPU_MIPS32_3_5_FEATURES
1774	select EVA
1775	default y
1776	help
1777	  Choose this option if you want to enable the Enhanced Virtual
1778	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1779	  One of its primary benefits is an increase in the maximum size
1780	  of lowmem (up to 3GB). If unsure, say 'N' here.
1781
1782config CPU_MIPS32_R5_FEATURES
1783	bool "MIPS32 Release 5 Features"
1784	depends on SYS_HAS_CPU_MIPS32_R5
1785	depends on CPU_MIPS32_R2
1786	help
1787	  Choose this option to build a kernel for release 2 or later of the
1788	  MIPS32 architecture including features from release 5 such as
1789	  support for Extended Physical Addressing (XPA).
1790
1791config CPU_MIPS32_R5_XPA
1792	bool "Extended Physical Addressing (XPA)"
1793	depends on CPU_MIPS32_R5_FEATURES
1794	depends on !EVA
1795	depends on !PAGE_SIZE_4KB
1796	depends on SYS_SUPPORTS_HIGHMEM
1797	select XPA
1798	select HIGHMEM
1799	select PHYS_ADDR_T_64BIT
1800	default n
1801	help
1802	  Choose this option if you want to enable the Extended Physical
1803	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1804	  benefit is to increase physical addressing equal to or greater
1805	  than 40 bits. Note that this has the side effect of turning on
1806	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1807	  If unsure, say 'N' here.
1808
1809if CPU_LOONGSON2F
1810config CPU_NOP_WORKAROUNDS
1811	bool
1812
1813config CPU_JUMP_WORKAROUNDS
1814	bool
1815
1816config CPU_LOONGSON2F_WORKAROUNDS
1817	bool "Loongson 2F Workarounds"
1818	default y
1819	select CPU_NOP_WORKAROUNDS
1820	select CPU_JUMP_WORKAROUNDS
1821	help
1822	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1823	  require workarounds.  Without workarounds the system may hang
1824	  unexpectedly.  For more information please refer to the gas
1825	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1826
1827	  Loongson 2F03 and later have fixed these issues and no workarounds
1828	  are needed.  The workarounds have no significant side effect on them
1829	  but may decrease the performance of the system so this option should
1830	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1831	  systems.
1832
1833	  If unsure, please say Y.
1834endif # CPU_LOONGSON2F
1835
1836config SYS_SUPPORTS_ZBOOT
1837	bool
1838	select HAVE_KERNEL_GZIP
1839	select HAVE_KERNEL_BZIP2
1840	select HAVE_KERNEL_LZ4
1841	select HAVE_KERNEL_LZMA
1842	select HAVE_KERNEL_LZO
1843	select HAVE_KERNEL_XZ
1844
1845config SYS_SUPPORTS_ZBOOT_UART16550
1846	bool
1847	select SYS_SUPPORTS_ZBOOT
1848
1849config SYS_SUPPORTS_ZBOOT_UART_PROM
1850	bool
1851	select SYS_SUPPORTS_ZBOOT
1852
1853config CPU_LOONGSON2
1854	bool
1855	select CPU_SUPPORTS_32BIT_KERNEL
1856	select CPU_SUPPORTS_64BIT_KERNEL
1857	select CPU_SUPPORTS_HIGHMEM
1858	select CPU_SUPPORTS_HUGEPAGES
1859	select ARCH_HAS_PHYS_TO_DMA
1860	select CPU_HAS_LOAD_STORE_LR
1861
1862config CPU_LOONGSON1
1863	bool
1864	select CPU_MIPS32
1865	select CPU_MIPSR1
1866	select CPU_HAS_PREFETCH
1867	select CPU_HAS_LOAD_STORE_LR
1868	select CPU_SUPPORTS_32BIT_KERNEL
1869	select CPU_SUPPORTS_HIGHMEM
1870	select CPU_SUPPORTS_CPUFREQ
1871
1872config CPU_BMIPS32_3300
1873	select SMP_UP if SMP
1874	bool
1875
1876config CPU_BMIPS4350
1877	bool
1878	select SYS_SUPPORTS_SMP
1879	select SYS_SUPPORTS_HOTPLUG_CPU
1880
1881config CPU_BMIPS4380
1882	bool
1883	select MIPS_L1_CACHE_SHIFT_6
1884	select SYS_SUPPORTS_SMP
1885	select SYS_SUPPORTS_HOTPLUG_CPU
1886	select CPU_HAS_RIXI
1887
1888config CPU_BMIPS5000
1889	bool
1890	select MIPS_CPU_SCACHE
1891	select MIPS_L1_CACHE_SHIFT_7
1892	select SYS_SUPPORTS_SMP
1893	select SYS_SUPPORTS_HOTPLUG_CPU
1894	select CPU_HAS_RIXI
1895
1896config SYS_HAS_CPU_LOONGSON3
1897	bool
1898	select CPU_SUPPORTS_CPUFREQ
1899	select CPU_HAS_RIXI
1900
1901config SYS_HAS_CPU_LOONGSON2E
1902	bool
1903
1904config SYS_HAS_CPU_LOONGSON2F
1905	bool
1906	select CPU_SUPPORTS_CPUFREQ
1907	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1908	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1909
1910config SYS_HAS_CPU_LOONGSON1B
1911	bool
1912
1913config SYS_HAS_CPU_LOONGSON1C
1914	bool
1915
1916config SYS_HAS_CPU_MIPS32_R1
1917	bool
1918
1919config SYS_HAS_CPU_MIPS32_R2
1920	bool
1921
1922config SYS_HAS_CPU_MIPS32_R3_5
1923	bool
1924
1925config SYS_HAS_CPU_MIPS32_R5
1926	bool
1927
1928config SYS_HAS_CPU_MIPS32_R6
1929	bool
1930
1931config SYS_HAS_CPU_MIPS64_R1
1932	bool
1933
1934config SYS_HAS_CPU_MIPS64_R2
1935	bool
1936
1937config SYS_HAS_CPU_MIPS64_R6
1938	bool
1939
1940config SYS_HAS_CPU_R3000
1941	bool
1942
1943config SYS_HAS_CPU_TX39XX
1944	bool
1945
1946config SYS_HAS_CPU_VR41XX
1947	bool
1948
1949config SYS_HAS_CPU_R4300
1950	bool
1951
1952config SYS_HAS_CPU_R4X00
1953	bool
1954
1955config SYS_HAS_CPU_TX49XX
1956	bool
1957
1958config SYS_HAS_CPU_R5000
1959	bool
1960
1961config SYS_HAS_CPU_R5432
1962	bool
1963
1964config SYS_HAS_CPU_R5500
1965	bool
1966
1967config SYS_HAS_CPU_NEVADA
1968	bool
1969
1970config SYS_HAS_CPU_R8000
1971	bool
1972
1973config SYS_HAS_CPU_R10000
1974	bool
1975
1976config SYS_HAS_CPU_RM7000
1977	bool
1978
1979config SYS_HAS_CPU_SB1
1980	bool
1981
1982config SYS_HAS_CPU_CAVIUM_OCTEON
1983	bool
1984
1985config SYS_HAS_CPU_BMIPS
1986	bool
1987
1988config SYS_HAS_CPU_BMIPS32_3300
1989	bool
1990	select SYS_HAS_CPU_BMIPS
1991
1992config SYS_HAS_CPU_BMIPS4350
1993	bool
1994	select SYS_HAS_CPU_BMIPS
1995
1996config SYS_HAS_CPU_BMIPS4380
1997	bool
1998	select SYS_HAS_CPU_BMIPS
1999
2000config SYS_HAS_CPU_BMIPS5000
2001	bool
2002	select SYS_HAS_CPU_BMIPS
2003
2004config SYS_HAS_CPU_XLR
2005	bool
2006
2007config SYS_HAS_CPU_XLP
2008	bool
2009
2010#
2011# CPU may reorder R->R, R->W, W->R, W->W
2012# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2013#
2014config WEAK_ORDERING
2015	bool
2016
2017#
2018# CPU may reorder reads and writes beyond LL/SC
2019# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2020#
2021config WEAK_REORDERING_BEYOND_LLSC
2022	bool
2023endmenu
2024
2025#
2026# These two indicate any level of the MIPS32 and MIPS64 architecture
2027#
2028config CPU_MIPS32
2029	bool
2030	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2031
2032config CPU_MIPS64
2033	bool
2034	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2035
2036#
2037# These two indicate the revision of the architecture, either Release 1 or Release 2
2038#
2039config CPU_MIPSR1
2040	bool
2041	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2042
2043config CPU_MIPSR2
2044	bool
2045	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2046	select CPU_HAS_RIXI
2047	select MIPS_SPRAM
2048
2049config CPU_MIPSR6
2050	bool
2051	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2052	select CPU_HAS_RIXI
2053	select HAVE_ARCH_BITREVERSE
2054	select MIPS_ASID_BITS_VARIABLE
2055	select MIPS_CRC_SUPPORT
2056	select MIPS_SPRAM
2057
2058config EVA
2059	bool
2060
2061config XPA
2062	bool
2063
2064config SYS_SUPPORTS_32BIT_KERNEL
2065	bool
2066config SYS_SUPPORTS_64BIT_KERNEL
2067	bool
2068config CPU_SUPPORTS_32BIT_KERNEL
2069	bool
2070config CPU_SUPPORTS_64BIT_KERNEL
2071	bool
2072config CPU_SUPPORTS_CPUFREQ
2073	bool
2074config CPU_SUPPORTS_ADDRWINCFG
2075	bool
2076config CPU_SUPPORTS_HUGEPAGES
2077	bool
2078config CPU_SUPPORTS_UNCACHED_ACCELERATED
2079	bool
2080config MIPS_PGD_C0_CONTEXT
2081	bool
2082	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2083
2084#
2085# Set to y for ptrace access to watch registers.
2086#
2087config HARDWARE_WATCHPOINTS
2088       bool
2089       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2090
2091menu "Kernel type"
2092
2093choice
2094	prompt "Kernel code model"
2095	help
2096	  You should only select this option if you have a workload that
2097	  actually benefits from 64-bit processing or if your machine has
2098	  large memory.  You will only be presented a single option in this
2099	  menu if your system does not support both 32-bit and 64-bit kernels.
2100
2101config 32BIT
2102	bool "32-bit kernel"
2103	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2104	select TRAD_SIGNALS
2105	help
2106	  Select this option if you want to build a 32-bit kernel.
2107
2108config 64BIT
2109	bool "64-bit kernel"
2110	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2111	help
2112	  Select this option if you want to build a 64-bit kernel.
2113
2114endchoice
2115
2116config KVM_GUEST
2117	bool "KVM Guest Kernel"
2118	depends on BROKEN_ON_SMP
2119	help
2120	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2121	  mode.
2122
2123config KVM_GUEST_TIMER_FREQ
2124	int "Count/Compare Timer Frequency (MHz)"
2125	depends on KVM_GUEST
2126	default 100
2127	help
2128	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2129	  emulation when determining guest CPU Frequency. Instead, the guest's
2130	  timer frequency is specified directly.
2131
2132config MIPS_VA_BITS_48
2133	bool "48 bits virtual memory"
2134	depends on 64BIT
2135	help
2136	  Support a maximum at least 48 bits of application virtual
2137	  memory.  Default is 40 bits or less, depending on the CPU.
2138	  For page sizes 16k and above, this option results in a small
2139	  memory overhead for page tables.  For 4k page size, a fourth
2140	  level of page tables is added which imposes both a memory
2141	  overhead as well as slower TLB fault handling.
2142
2143	  If unsure, say N.
2144
2145choice
2146	prompt "Kernel page size"
2147	default PAGE_SIZE_4KB
2148
2149config PAGE_SIZE_4KB
2150	bool "4kB"
2151	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2152	help
2153	 This option select the standard 4kB Linux page size.  On some
2154	 R3000-family processors this is the only available page size.  Using
2155	 4kB page size will minimize memory consumption and is therefore
2156	 recommended for low memory systems.
2157
2158config PAGE_SIZE_8KB
2159	bool "8kB"
2160	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2161	depends on !MIPS_VA_BITS_48
2162	help
2163	  Using 8kB page size will result in higher performance kernel at
2164	  the price of higher memory consumption.  This option is available
2165	  only on R8000 and cnMIPS processors.  Note that you will need a
2166	  suitable Linux distribution to support this.
2167
2168config PAGE_SIZE_16KB
2169	bool "16kB"
2170	depends on !CPU_R3000 && !CPU_TX39XX
2171	help
2172	  Using 16kB page size will result in higher performance kernel at
2173	  the price of higher memory consumption.  This option is available on
2174	  all non-R3000 family processors.  Note that you will need a suitable
2175	  Linux distribution to support this.
2176
2177config PAGE_SIZE_32KB
2178	bool "32kB"
2179	depends on CPU_CAVIUM_OCTEON
2180	depends on !MIPS_VA_BITS_48
2181	help
2182	  Using 32kB page size will result in higher performance kernel at
2183	  the price of higher memory consumption.  This option is available
2184	  only on cnMIPS cores.  Note that you will need a suitable Linux
2185	  distribution to support this.
2186
2187config PAGE_SIZE_64KB
2188	bool "64kB"
2189	depends on !CPU_R3000 && !CPU_TX39XX
2190	help
2191	  Using 64kB page size will result in higher performance kernel at
2192	  the price of higher memory consumption.  This option is available on
2193	  all non-R3000 family processor.  Not that at the time of this
2194	  writing this option is still high experimental.
2195
2196endchoice
2197
2198config FORCE_MAX_ZONEORDER
2199	int "Maximum zone order"
2200	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2201	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2202	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2203	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2204	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2205	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2206	range 11 64
2207	default "11"
2208	help
2209	  The kernel memory allocator divides physically contiguous memory
2210	  blocks into "zones", where each zone is a power of two number of
2211	  pages.  This option selects the largest power of two that the kernel
2212	  keeps in the memory allocator.  If you need to allocate very large
2213	  blocks of physically contiguous memory, then you may need to
2214	  increase this value.
2215
2216	  This config option is actually maximum order plus one. For example,
2217	  a value of 11 means that the largest free memory block is 2^10 pages.
2218
2219	  The page size is not necessarily 4KB.  Keep this in mind
2220	  when choosing a value for this option.
2221
2222config BOARD_SCACHE
2223	bool
2224
2225config IP22_CPU_SCACHE
2226	bool
2227	select BOARD_SCACHE
2228
2229#
2230# Support for a MIPS32 / MIPS64 style S-caches
2231#
2232config MIPS_CPU_SCACHE
2233	bool
2234	select BOARD_SCACHE
2235
2236config R5000_CPU_SCACHE
2237	bool
2238	select BOARD_SCACHE
2239
2240config RM7000_CPU_SCACHE
2241	bool
2242	select BOARD_SCACHE
2243
2244config SIBYTE_DMA_PAGEOPS
2245	bool "Use DMA to clear/copy pages"
2246	depends on CPU_SB1
2247	help
2248	  Instead of using the CPU to zero and copy pages, use a Data Mover
2249	  channel.  These DMA channels are otherwise unused by the standard
2250	  SiByte Linux port.  Seems to give a small performance benefit.
2251
2252config CPU_HAS_PREFETCH
2253	bool
2254
2255config CPU_GENERIC_DUMP_TLB
2256	bool
2257	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2258
2259config CPU_R4K_FPU
2260	bool
2261	default y if !(CPU_R3000 || CPU_TX39XX)
2262
2263config CPU_R4K_CACHE_TLB
2264	bool
2265	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2266
2267config MIPS_MT_SMP
2268	bool "MIPS MT SMP support (1 TC on each available VPE)"
2269	default y
2270	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2271	select CPU_MIPSR2_IRQ_VI
2272	select CPU_MIPSR2_IRQ_EI
2273	select SYNC_R4K
2274	select MIPS_MT
2275	select SMP
2276	select SMP_UP
2277	select SYS_SUPPORTS_SMP
2278	select SYS_SUPPORTS_SCHED_SMT
2279	select MIPS_PERF_SHARED_TC_COUNTERS
2280	help
2281	  This is a kernel model which is known as SMVP. This is supported
2282	  on cores with the MT ASE and uses the available VPEs to implement
2283	  virtual processors which supports SMP. This is equivalent to the
2284	  Intel Hyperthreading feature. For further information go to
2285	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2286
2287config MIPS_MT
2288	bool
2289
2290config SCHED_SMT
2291	bool "SMT (multithreading) scheduler support"
2292	depends on SYS_SUPPORTS_SCHED_SMT
2293	default n
2294	help
2295	  SMT scheduler support improves the CPU scheduler's decision making
2296	  when dealing with MIPS MT enabled cores at a cost of slightly
2297	  increased overhead in some places. If unsure say N here.
2298
2299config SYS_SUPPORTS_SCHED_SMT
2300	bool
2301
2302config SYS_SUPPORTS_MULTITHREADING
2303	bool
2304
2305config MIPS_MT_FPAFF
2306	bool "Dynamic FPU affinity for FP-intensive threads"
2307	default y
2308	depends on MIPS_MT_SMP
2309
2310config MIPSR2_TO_R6_EMULATOR
2311	bool "MIPS R2-to-R6 emulator"
2312	depends on CPU_MIPSR6
2313	default y
2314	help
2315	  Choose this option if you want to run non-R6 MIPS userland code.
2316	  Even if you say 'Y' here, the emulator will still be disabled by
2317	  default. You can enable it using the 'mipsr2emu' kernel option.
2318	  The only reason this is a build-time option is to save ~14K from the
2319	  final kernel image.
2320
2321config SYS_SUPPORTS_VPE_LOADER
2322	bool
2323	depends on SYS_SUPPORTS_MULTITHREADING
2324	help
2325	  Indicates that the platform supports the VPE loader, and provides
2326	  physical_memsize.
2327
2328config MIPS_VPE_LOADER
2329	bool "VPE loader support."
2330	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2331	select CPU_MIPSR2_IRQ_VI
2332	select CPU_MIPSR2_IRQ_EI
2333	select MIPS_MT
2334	help
2335	  Includes a loader for loading an elf relocatable object
2336	  onto another VPE and running it.
2337
2338config MIPS_VPE_LOADER_CMP
2339	bool
2340	default "y"
2341	depends on MIPS_VPE_LOADER && MIPS_CMP
2342
2343config MIPS_VPE_LOADER_MT
2344	bool
2345	default "y"
2346	depends on MIPS_VPE_LOADER && !MIPS_CMP
2347
2348config MIPS_VPE_LOADER_TOM
2349	bool "Load VPE program into memory hidden from linux"
2350	depends on MIPS_VPE_LOADER
2351	default y
2352	help
2353	  The loader can use memory that is present but has been hidden from
2354	  Linux using the kernel command line option "mem=xxMB". It's up to
2355	  you to ensure the amount you put in the option and the space your
2356	  program requires is less or equal to the amount physically present.
2357
2358config MIPS_VPE_APSP_API
2359	bool "Enable support for AP/SP API (RTLX)"
2360	depends on MIPS_VPE_LOADER
2361
2362config MIPS_VPE_APSP_API_CMP
2363	bool
2364	default "y"
2365	depends on MIPS_VPE_APSP_API && MIPS_CMP
2366
2367config MIPS_VPE_APSP_API_MT
2368	bool
2369	default "y"
2370	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2371
2372config MIPS_CMP
2373	bool "MIPS CMP framework support (DEPRECATED)"
2374	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2375	select SMP
2376	select SYNC_R4K
2377	select SYS_SUPPORTS_SMP
2378	select WEAK_ORDERING
2379	default n
2380	help
2381	  Select this if you are using a bootloader which implements the "CMP
2382	  framework" protocol (ie. YAMON) and want your kernel to make use of
2383	  its ability to start secondary CPUs.
2384
2385	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2386	  instead of this.
2387
2388config MIPS_CPS
2389	bool "MIPS Coherent Processing System support"
2390	depends on SYS_SUPPORTS_MIPS_CPS
2391	select MIPS_CM
2392	select MIPS_CPS_PM if HOTPLUG_CPU
2393	select SMP
2394	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2395	select SYS_SUPPORTS_HOTPLUG_CPU
2396	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2397	select SYS_SUPPORTS_SMP
2398	select WEAK_ORDERING
2399	help
2400	  Select this if you wish to run an SMP kernel across multiple cores
2401	  within a MIPS Coherent Processing System. When this option is
2402	  enabled the kernel will probe for other cores and boot them with
2403	  no external assistance. It is safe to enable this when hardware
2404	  support is unavailable.
2405
2406config MIPS_CPS_PM
2407	depends on MIPS_CPS
2408	bool
2409
2410config MIPS_CM
2411	bool
2412	select MIPS_CPC
2413
2414config MIPS_CPC
2415	bool
2416
2417config SB1_PASS_2_WORKAROUNDS
2418	bool
2419	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2420	default y
2421
2422config SB1_PASS_2_1_WORKAROUNDS
2423	bool
2424	depends on CPU_SB1 && CPU_SB1_PASS_2
2425	default y
2426
2427
2428choice
2429	prompt "SmartMIPS or microMIPS ASE support"
2430
2431config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2432	bool "None"
2433	help
2434	  Select this if you want neither microMIPS nor SmartMIPS support
2435
2436config CPU_HAS_SMARTMIPS
2437	depends on SYS_SUPPORTS_SMARTMIPS
2438	bool "SmartMIPS"
2439	help
2440	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2441	  increased security at both hardware and software level for
2442	  smartcards.  Enabling this option will allow proper use of the
2443	  SmartMIPS instructions by Linux applications.  However a kernel with
2444	  this option will not work on a MIPS core without SmartMIPS core.  If
2445	  you don't know you probably don't have SmartMIPS and should say N
2446	  here.
2447
2448config CPU_MICROMIPS
2449	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2450	bool "microMIPS"
2451	help
2452	  When this option is enabled the kernel will be built using the
2453	  microMIPS ISA
2454
2455endchoice
2456
2457config CPU_HAS_MSA
2458	bool "Support for the MIPS SIMD Architecture"
2459	depends on CPU_SUPPORTS_MSA
2460	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2461	help
2462	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2463	  and a set of SIMD instructions to operate on them. When this option
2464	  is enabled the kernel will support allocating & switching MSA
2465	  vector register contexts. If you know that your kernel will only be
2466	  running on CPUs which do not support MSA or that your userland will
2467	  not be making use of it then you may wish to say N here to reduce
2468	  the size & complexity of your kernel.
2469
2470	  If unsure, say Y.
2471
2472config CPU_HAS_WB
2473	bool
2474
2475config XKS01
2476	bool
2477
2478config CPU_HAS_RIXI
2479	bool
2480
2481config CPU_HAS_LOAD_STORE_LR
2482	bool
2483	help
2484	  CPU has support for unaligned load and store instructions:
2485	  LWL, LWR, SWL, SWR (Load/store word left/right).
2486	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2487
2488#
2489# Vectored interrupt mode is an R2 feature
2490#
2491config CPU_MIPSR2_IRQ_VI
2492	bool
2493
2494#
2495# Extended interrupt mode is an R2 feature
2496#
2497config CPU_MIPSR2_IRQ_EI
2498	bool
2499
2500config CPU_HAS_SYNC
2501	bool
2502	depends on !CPU_R3000
2503	default y
2504
2505#
2506# CPU non-features
2507#
2508config CPU_DADDI_WORKAROUNDS
2509	bool
2510
2511config CPU_R4000_WORKAROUNDS
2512	bool
2513	select CPU_R4400_WORKAROUNDS
2514
2515config CPU_R4400_WORKAROUNDS
2516	bool
2517
2518config MIPS_ASID_SHIFT
2519	int
2520	default 6 if CPU_R3000 || CPU_TX39XX
2521	default 4 if CPU_R8000
2522	default 0
2523
2524config MIPS_ASID_BITS
2525	int
2526	default 0 if MIPS_ASID_BITS_VARIABLE
2527	default 6 if CPU_R3000 || CPU_TX39XX
2528	default 8
2529
2530config MIPS_ASID_BITS_VARIABLE
2531	bool
2532
2533config MIPS_CRC_SUPPORT
2534	bool
2535
2536#
2537# - Highmem only makes sense for the 32-bit kernel.
2538# - The current highmem code will only work properly on physically indexed
2539#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2540#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2541#   moment we protect the user and offer the highmem option only on machines
2542#   where it's known to be safe.  This will not offer highmem on a few systems
2543#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2544#   indexed CPUs but we're playing safe.
2545# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2546#   know they might have memory configurations that could make use of highmem
2547#   support.
2548#
2549config HIGHMEM
2550	bool "High Memory Support"
2551	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2552
2553config CPU_SUPPORTS_HIGHMEM
2554	bool
2555
2556config SYS_SUPPORTS_HIGHMEM
2557	bool
2558
2559config SYS_SUPPORTS_SMARTMIPS
2560	bool
2561
2562config SYS_SUPPORTS_MICROMIPS
2563	bool
2564
2565config SYS_SUPPORTS_MIPS16
2566	bool
2567	help
2568	  This option must be set if a kernel might be executed on a MIPS16-
2569	  enabled CPU even if MIPS16 is not actually being used.  In other
2570	  words, it makes the kernel MIPS16-tolerant.
2571
2572config CPU_SUPPORTS_MSA
2573	bool
2574
2575config ARCH_FLATMEM_ENABLE
2576	def_bool y
2577	depends on !NUMA && !CPU_LOONGSON2
2578
2579config ARCH_DISCONTIGMEM_ENABLE
2580	bool
2581	default y if SGI_IP27
2582	help
2583	  Say Y to support efficient handling of discontiguous physical memory,
2584	  for architectures which are either NUMA (Non-Uniform Memory Access)
2585	  or have huge holes in the physical address space for other reasons.
2586	  See <file:Documentation/vm/numa.rst> for more.
2587
2588config ARCH_SPARSEMEM_ENABLE
2589	bool
2590	select SPARSEMEM_STATIC
2591
2592config NUMA
2593	bool "NUMA Support"
2594	depends on SYS_SUPPORTS_NUMA
2595	help
2596	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2597	  Access).  This option improves performance on systems with more
2598	  than two nodes; on two node systems it is generally better to
2599	  leave it disabled; on single node systems disable this option
2600	  disabled.
2601
2602config SYS_SUPPORTS_NUMA
2603	bool
2604
2605config RELOCATABLE
2606	bool "Relocatable kernel"
2607	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2608	help
2609	  This builds a kernel image that retains relocation information
2610	  so it can be loaded someplace besides the default 1MB.
2611	  The relocations make the kernel binary about 15% larger,
2612	  but are discarded at runtime
2613
2614config RELOCATION_TABLE_SIZE
2615	hex "Relocation table size"
2616	depends on RELOCATABLE
2617	range 0x0 0x01000000
2618	default "0x00100000"
2619	---help---
2620	  A table of relocation data will be appended to the kernel binary
2621	  and parsed at boot to fix up the relocated kernel.
2622
2623	  This option allows the amount of space reserved for the table to be
2624	  adjusted, although the default of 1Mb should be ok in most cases.
2625
2626	  The build will fail and a valid size suggested if this is too small.
2627
2628	  If unsure, leave at the default value.
2629
2630config RANDOMIZE_BASE
2631	bool "Randomize the address of the kernel image"
2632	depends on RELOCATABLE
2633	---help---
2634	   Randomizes the physical and virtual address at which the
2635	   kernel image is loaded, as a security feature that
2636	   deters exploit attempts relying on knowledge of the location
2637	   of kernel internals.
2638
2639	   Entropy is generated using any coprocessor 0 registers available.
2640
2641	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2642
2643	   If unsure, say N.
2644
2645config RANDOMIZE_BASE_MAX_OFFSET
2646	hex "Maximum kASLR offset" if EXPERT
2647	depends on RANDOMIZE_BASE
2648	range 0x0 0x40000000 if EVA || 64BIT
2649	range 0x0 0x08000000
2650	default "0x01000000"
2651	---help---
2652	  When kASLR is active, this provides the maximum offset that will
2653	  be applied to the kernel image. It should be set according to the
2654	  amount of physical RAM available in the target system minus
2655	  PHYSICAL_START and must be a power of 2.
2656
2657	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2658	  EVA or 64-bit. The default is 16Mb.
2659
2660config NODES_SHIFT
2661	int
2662	default "6"
2663	depends on NEED_MULTIPLE_NODES
2664
2665config HW_PERF_EVENTS
2666	bool "Enable hardware performance counter support for perf events"
2667	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2668	default y
2669	help
2670	  Enable hardware performance counter support for perf events. If
2671	  disabled, perf events will use software events only.
2672
2673config SMP
2674	bool "Multi-Processing support"
2675	depends on SYS_SUPPORTS_SMP
2676	help
2677	  This enables support for systems with more than one CPU. If you have
2678	  a system with only one CPU, say N. If you have a system with more
2679	  than one CPU, say Y.
2680
2681	  If you say N here, the kernel will run on uni- and multiprocessor
2682	  machines, but will use only one CPU of a multiprocessor machine. If
2683	  you say Y here, the kernel will run on many, but not all,
2684	  uniprocessor machines. On a uniprocessor machine, the kernel
2685	  will run faster if you say N here.
2686
2687	  People using multiprocessor machines who say Y here should also say
2688	  Y to "Enhanced Real Time Clock Support", below.
2689
2690	  See also the SMP-HOWTO available at
2691	  <http://www.tldp.org/docs.html#howto>.
2692
2693	  If you don't know what to do here, say N.
2694
2695config HOTPLUG_CPU
2696	bool "Support for hot-pluggable CPUs"
2697	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2698	help
2699	  Say Y here to allow turning CPUs off and on. CPUs can be
2700	  controlled through /sys/devices/system/cpu.
2701	  (Note: power management support will enable this option
2702	    automatically on SMP systems. )
2703	  Say N if you want to disable CPU hotplug.
2704
2705config SMP_UP
2706	bool
2707
2708config SYS_SUPPORTS_MIPS_CMP
2709	bool
2710
2711config SYS_SUPPORTS_MIPS_CPS
2712	bool
2713
2714config SYS_SUPPORTS_SMP
2715	bool
2716
2717config NR_CPUS_DEFAULT_4
2718	bool
2719
2720config NR_CPUS_DEFAULT_8
2721	bool
2722
2723config NR_CPUS_DEFAULT_16
2724	bool
2725
2726config NR_CPUS_DEFAULT_32
2727	bool
2728
2729config NR_CPUS_DEFAULT_64
2730	bool
2731
2732config NR_CPUS
2733	int "Maximum number of CPUs (2-256)"
2734	range 2 256
2735	depends on SMP
2736	default "4" if NR_CPUS_DEFAULT_4
2737	default "8" if NR_CPUS_DEFAULT_8
2738	default "16" if NR_CPUS_DEFAULT_16
2739	default "32" if NR_CPUS_DEFAULT_32
2740	default "64" if NR_CPUS_DEFAULT_64
2741	help
2742	  This allows you to specify the maximum number of CPUs which this
2743	  kernel will support.  The maximum supported value is 32 for 32-bit
2744	  kernel and 64 for 64-bit kernels; the minimum value which makes
2745	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2746	  and 2 for all others.
2747
2748	  This is purely to save memory - each supported CPU adds
2749	  approximately eight kilobytes to the kernel image.  For best
2750	  performance should round up your number of processors to the next
2751	  power of two.
2752
2753config MIPS_PERF_SHARED_TC_COUNTERS
2754	bool
2755
2756config MIPS_NR_CPU_NR_MAP_1024
2757	bool
2758
2759config MIPS_NR_CPU_NR_MAP
2760	int
2761	depends on SMP
2762	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2763	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2764
2765#
2766# Timer Interrupt Frequency Configuration
2767#
2768
2769choice
2770	prompt "Timer frequency"
2771	default HZ_250
2772	help
2773	 Allows the configuration of the timer frequency.
2774
2775	config HZ_24
2776		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2777
2778	config HZ_48
2779		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2780
2781	config HZ_100
2782		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2783
2784	config HZ_128
2785		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2786
2787	config HZ_250
2788		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2789
2790	config HZ_256
2791		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2792
2793	config HZ_1000
2794		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2795
2796	config HZ_1024
2797		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2798
2799endchoice
2800
2801config SYS_SUPPORTS_24HZ
2802	bool
2803
2804config SYS_SUPPORTS_48HZ
2805	bool
2806
2807config SYS_SUPPORTS_100HZ
2808	bool
2809
2810config SYS_SUPPORTS_128HZ
2811	bool
2812
2813config SYS_SUPPORTS_250HZ
2814	bool
2815
2816config SYS_SUPPORTS_256HZ
2817	bool
2818
2819config SYS_SUPPORTS_1000HZ
2820	bool
2821
2822config SYS_SUPPORTS_1024HZ
2823	bool
2824
2825config SYS_SUPPORTS_ARBIT_HZ
2826	bool
2827	default y if !SYS_SUPPORTS_24HZ && \
2828		     !SYS_SUPPORTS_48HZ && \
2829		     !SYS_SUPPORTS_100HZ && \
2830		     !SYS_SUPPORTS_128HZ && \
2831		     !SYS_SUPPORTS_250HZ && \
2832		     !SYS_SUPPORTS_256HZ && \
2833		     !SYS_SUPPORTS_1000HZ && \
2834		     !SYS_SUPPORTS_1024HZ
2835
2836config HZ
2837	int
2838	default 24 if HZ_24
2839	default 48 if HZ_48
2840	default 100 if HZ_100
2841	default 128 if HZ_128
2842	default 250 if HZ_250
2843	default 256 if HZ_256
2844	default 1000 if HZ_1000
2845	default 1024 if HZ_1024
2846
2847config SCHED_HRTICK
2848	def_bool HIGH_RES_TIMERS
2849
2850config KEXEC
2851	bool "Kexec system call"
2852	select KEXEC_CORE
2853	help
2854	  kexec is a system call that implements the ability to shutdown your
2855	  current kernel, and to start another kernel.  It is like a reboot
2856	  but it is independent of the system firmware.   And like a reboot
2857	  you can start any kernel with it, not just Linux.
2858
2859	  The name comes from the similarity to the exec system call.
2860
2861	  It is an ongoing process to be certain the hardware in a machine
2862	  is properly shutdown, so do not be surprised if this code does not
2863	  initially work for you.  As of this writing the exact hardware
2864	  interface is strongly in flux, so no good recommendation can be
2865	  made.
2866
2867config CRASH_DUMP
2868	bool "Kernel crash dumps"
2869	help
2870	  Generate crash dump after being started by kexec.
2871	  This should be normally only set in special crash dump kernels
2872	  which are loaded in the main kernel with kexec-tools into
2873	  a specially reserved region and then later executed after
2874	  a crash by kdump/kexec. The crash dump kernel must be compiled
2875	  to a memory address not used by the main kernel or firmware using
2876	  PHYSICAL_START.
2877
2878config PHYSICAL_START
2879	hex "Physical address where the kernel is loaded"
2880	default "0xffffffff84000000"
2881	depends on CRASH_DUMP
2882	help
2883	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2884	  If you plan to use kernel for capturing the crash dump change
2885	  this value to start of the reserved region (the "X" value as
2886	  specified in the "crashkernel=YM@XM" command line boot parameter
2887	  passed to the panic-ed kernel).
2888
2889config SECCOMP
2890	bool "Enable seccomp to safely compute untrusted bytecode"
2891	depends on PROC_FS
2892	default y
2893	help
2894	  This kernel feature is useful for number crunching applications
2895	  that may need to compute untrusted bytecode during their
2896	  execution. By using pipes or other transports made available to
2897	  the process as file descriptors supporting the read/write
2898	  syscalls, it's possible to isolate those applications in
2899	  their own address space using seccomp. Once seccomp is
2900	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2901	  and the task is only allowed to execute a few safe syscalls
2902	  defined by each seccomp mode.
2903
2904	  If unsure, say Y. Only embedded should say N here.
2905
2906config MIPS_O32_FP64_SUPPORT
2907	bool "Support for O32 binaries using 64-bit FP"
2908	depends on 32BIT || MIPS32_O32
2909	help
2910	  When this is enabled, the kernel will support use of 64-bit floating
2911	  point registers with binaries using the O32 ABI along with the
2912	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2913	  32-bit MIPS systems this support is at the cost of increasing the
2914	  size and complexity of the compiled FPU emulator. Thus if you are
2915	  running a MIPS32 system and know that none of your userland binaries
2916	  will require 64-bit floating point, you may wish to reduce the size
2917	  of your kernel & potentially improve FP emulation performance by
2918	  saying N here.
2919
2920	  Although binutils currently supports use of this flag the details
2921	  concerning its effect upon the O32 ABI in userland are still being
2922	  worked on. In order to avoid userland becoming dependant upon current
2923	  behaviour before the details have been finalised, this option should
2924	  be considered experimental and only enabled by those working upon
2925	  said details.
2926
2927	  If unsure, say N.
2928
2929config USE_OF
2930	bool
2931	select OF
2932	select OF_EARLY_FLATTREE
2933	select IRQ_DOMAIN
2934
2935config UHI_BOOT
2936	bool
2937
2938config BUILTIN_DTB
2939	bool
2940
2941choice
2942	prompt "Kernel appended dtb support" if USE_OF
2943	default MIPS_NO_APPENDED_DTB
2944
2945	config MIPS_NO_APPENDED_DTB
2946		bool "None"
2947		help
2948		  Do not enable appended dtb support.
2949
2950	config MIPS_ELF_APPENDED_DTB
2951		bool "vmlinux"
2952		help
2953		  With this option, the boot code will look for a device tree binary
2954		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2955		  it is empty and the DTB can be appended using binutils command
2956		  objcopy:
2957
2958		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2959
2960		  This is meant as a backward compatiblity convenience for those
2961		  systems with a bootloader that can't be upgraded to accommodate
2962		  the documented boot protocol using a device tree.
2963
2964	config MIPS_RAW_APPENDED_DTB
2965		bool "vmlinux.bin or vmlinuz.bin"
2966		help
2967		  With this option, the boot code will look for a device tree binary
2968		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2969		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2970
2971		  This is meant as a backward compatibility convenience for those
2972		  systems with a bootloader that can't be upgraded to accommodate
2973		  the documented boot protocol using a device tree.
2974
2975		  Beware that there is very little in terms of protection against
2976		  this option being confused by leftover garbage in memory that might
2977		  look like a DTB header after a reboot if no actual DTB is appended
2978		  to vmlinux.bin.  Do not leave this option active in a production kernel
2979		  if you don't intend to always append a DTB.
2980endchoice
2981
2982choice
2983	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2984	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2985					 !MIPS_MALTA && \
2986					 !CAVIUM_OCTEON_SOC
2987	default MIPS_CMDLINE_FROM_BOOTLOADER
2988
2989	config MIPS_CMDLINE_FROM_DTB
2990		depends on USE_OF
2991		bool "Dtb kernel arguments if available"
2992
2993	config MIPS_CMDLINE_DTB_EXTEND
2994		depends on USE_OF
2995		bool "Extend dtb kernel arguments with bootloader arguments"
2996
2997	config MIPS_CMDLINE_FROM_BOOTLOADER
2998		bool "Bootloader kernel arguments if available"
2999
3000	config MIPS_CMDLINE_BUILTIN_EXTEND
3001		depends on CMDLINE_BOOL
3002		bool "Extend builtin kernel arguments with bootloader arguments"
3003endchoice
3004
3005endmenu
3006
3007config LOCKDEP_SUPPORT
3008	bool
3009	default y
3010
3011config STACKTRACE_SUPPORT
3012	bool
3013	default y
3014
3015config HAVE_LATENCYTOP_SUPPORT
3016	bool
3017	default y
3018
3019config PGTABLE_LEVELS
3020	int
3021	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3022	default 3 if 64BIT && !PAGE_SIZE_64KB
3023	default 2
3024
3025config MIPS_AUTO_PFN_OFFSET
3026	bool
3027
3028menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3029
3030config HW_HAS_EISA
3031	bool
3032config HW_HAS_PCI
3033	bool
3034
3035config PCI
3036	bool "Support for PCI controller"
3037	depends on HW_HAS_PCI
3038	select PCI_DOMAINS
3039	help
3040	  Find out whether you have a PCI motherboard. PCI is the name of a
3041	  bus system, i.e. the way the CPU talks to the other stuff inside
3042	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3043	  say Y, otherwise N.
3044
3045config HT_PCI
3046	bool "Support for HT-linked PCI"
3047	default y
3048	depends on CPU_LOONGSON3
3049	select PCI
3050	select PCI_DOMAINS
3051	help
3052	  Loongson family machines use Hyper-Transport bus for inter-core
3053	  connection and device connection. The PCI bus is a subordinate
3054	  linked at HT. Choose Y for Loongson-3 based machines.
3055
3056config PCI_DOMAINS
3057	bool
3058
3059config PCI_DOMAINS_GENERIC
3060	bool
3061
3062config PCI_DRIVERS_GENERIC
3063	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3064	bool
3065
3066config PCI_DRIVERS_LEGACY
3067	def_bool !PCI_DRIVERS_GENERIC
3068	select NO_GENERIC_PCI_IOPORT_MAP
3069
3070source "drivers/pci/Kconfig"
3071
3072#
3073# ISA support is now enabled via select.  Too many systems still have the one
3074# or other ISA chip on the board that users don't know about so don't expect
3075# users to choose the right thing ...
3076#
3077config ISA
3078	bool
3079
3080config EISA
3081	bool "EISA support"
3082	depends on HW_HAS_EISA
3083	select ISA
3084	select GENERIC_ISA_DMA
3085	---help---
3086	  The Extended Industry Standard Architecture (EISA) bus was
3087	  developed as an open alternative to the IBM MicroChannel bus.
3088
3089	  The EISA bus provided some of the features of the IBM MicroChannel
3090	  bus while maintaining backward compatibility with cards made for
3091	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3092	  1995 when it was made obsolete by the PCI bus.
3093
3094	  Say Y here if you are building a kernel for an EISA-based machine.
3095
3096	  Otherwise, say N.
3097
3098source "drivers/eisa/Kconfig"
3099
3100config TC
3101	bool "TURBOchannel support"
3102	depends on MACH_DECSTATION
3103	help
3104	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3105	  processors.  TURBOchannel programming specifications are available
3106	  at:
3107	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3108	  and:
3109	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3110	  Linux driver support status is documented at:
3111	  <http://www.linux-mips.org/wiki/DECstation>
3112
3113config MMU
3114	bool
3115	default y
3116
3117config ARCH_MMAP_RND_BITS_MIN
3118	default 12 if 64BIT
3119	default 8
3120
3121config ARCH_MMAP_RND_BITS_MAX
3122	default 18 if 64BIT
3123	default 15
3124
3125config ARCH_MMAP_RND_COMPAT_BITS_MIN
3126       default 8
3127
3128config ARCH_MMAP_RND_COMPAT_BITS_MAX
3129       default 15
3130
3131config I8253
3132	bool
3133	select CLKSRC_I8253
3134	select CLKEVT_I8253
3135	select MIPS_EXTERNAL_TIMER
3136
3137config ZONE_DMA
3138	bool
3139
3140config ZONE_DMA32
3141	bool
3142
3143source "drivers/pcmcia/Kconfig"
3144
3145config HAS_RAPIDIO
3146	bool
3147	default n
3148
3149config RAPIDIO
3150	tristate "RapidIO support"
3151	depends on HAS_RAPIDIO || PCI
3152	help
3153	  If you say Y here, the kernel will include drivers and
3154	  infrastructure code to support RapidIO interconnect devices.
3155
3156source "drivers/rapidio/Kconfig"
3157
3158endmenu
3159
3160config TRAD_SIGNALS
3161	bool
3162
3163config MIPS32_COMPAT
3164	bool
3165
3166config COMPAT
3167	bool
3168
3169config SYSVIPC_COMPAT
3170	bool
3171
3172config MIPS32_O32
3173	bool "Kernel support for o32 binaries"
3174	depends on 64BIT
3175	select ARCH_WANT_OLD_COMPAT_IPC
3176	select COMPAT
3177	select MIPS32_COMPAT
3178	select SYSVIPC_COMPAT if SYSVIPC
3179	help
3180	  Select this option if you want to run o32 binaries.  These are pure
3181	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3182	  existing binaries are in this format.
3183
3184	  If unsure, say Y.
3185
3186config MIPS32_N32
3187	bool "Kernel support for n32 binaries"
3188	depends on 64BIT
3189	select COMPAT
3190	select MIPS32_COMPAT
3191	select SYSVIPC_COMPAT if SYSVIPC
3192	help
3193	  Select this option if you want to run n32 binaries.  These are
3194	  64-bit binaries using 32-bit quantities for addressing and certain
3195	  data that would normally be 64-bit.  They are used in special
3196	  cases.
3197
3198	  If unsure, say N.
3199
3200config BINFMT_ELF32
3201	bool
3202	default y if MIPS32_O32 || MIPS32_N32
3203	select ELFCORE
3204
3205menu "Power management options"
3206
3207config ARCH_HIBERNATION_POSSIBLE
3208	def_bool y
3209	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3210
3211config ARCH_SUSPEND_POSSIBLE
3212	def_bool y
3213	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3214
3215source "kernel/power/Kconfig"
3216
3217endmenu
3218
3219config MIPS_EXTERNAL_TIMER
3220	bool
3221
3222menu "CPU Power Management"
3223
3224if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3225source "drivers/cpufreq/Kconfig"
3226endif
3227
3228source "drivers/cpuidle/Kconfig"
3229
3230endmenu
3231
3232source "drivers/firmware/Kconfig"
3233
3234source "arch/mips/kvm/Kconfig"
3235