xref: /openbmc/linux/arch/mips/Kconfig (revision 965f22bc)
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 if !MACH_LOONGSON64
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 DMA_NONCOHERENT
1112	bool
1113
1114config DMA_PERDEV_COHERENT
1115	bool
1116	select DMA_MAYBE_COHERENT
1117
1118config DMA_NONCOHERENT
1119	bool
1120	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1121	select ARCH_HAS_SYNC_DMA_FOR_CPU
1122	select NEED_DMA_MAP_STATE
1123	select DMA_NONCOHERENT_MMAP
1124	select DMA_NONCOHERENT_CACHE_SYNC
1125	select DMA_NONCOHERENT_OPS
1126
1127config SYS_HAS_EARLY_PRINTK
1128	bool
1129
1130config SYS_SUPPORTS_HOTPLUG_CPU
1131	bool
1132
1133config MIPS_BONITO64
1134	bool
1135
1136config MIPS_MSC
1137	bool
1138
1139config MIPS_NILE4
1140	bool
1141
1142config SYNC_R4K
1143	bool
1144
1145config MIPS_MACHINE
1146	def_bool n
1147
1148config NO_IOPORT_MAP
1149	def_bool n
1150
1151config GENERIC_CSUM
1152	bool
1153	default y if !CPU_HAS_LOAD_STORE_LR
1154
1155config GENERIC_ISA_DMA
1156	bool
1157	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1158	select ISA_DMA_API
1159
1160config GENERIC_ISA_DMA_SUPPORT_BROKEN
1161	bool
1162	select GENERIC_ISA_DMA
1163
1164config ISA_DMA_API
1165	bool
1166
1167config HOLES_IN_ZONE
1168	bool
1169
1170config SYS_SUPPORTS_RELOCATABLE
1171	bool
1172	help
1173	 Selected if the platform supports relocating the kernel.
1174	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1175	 to allow access to command line and entropy sources.
1176
1177config MIPS_CBPF_JIT
1178	def_bool y
1179	depends on BPF_JIT && HAVE_CBPF_JIT
1180
1181config MIPS_EBPF_JIT
1182	def_bool y
1183	depends on BPF_JIT && HAVE_EBPF_JIT
1184
1185
1186#
1187# Endianness selection.  Sufficiently obscure so many users don't know what to
1188# answer,so we try hard to limit the available choices.  Also the use of a
1189# choice statement should be more obvious to the user.
1190#
1191choice
1192	prompt "Endianness selection"
1193	help
1194	  Some MIPS machines can be configured for either little or big endian
1195	  byte order. These modes require different kernels and a different
1196	  Linux distribution.  In general there is one preferred byteorder for a
1197	  particular system but some systems are just as commonly used in the
1198	  one or the other endianness.
1199
1200config CPU_BIG_ENDIAN
1201	bool "Big endian"
1202	depends on SYS_SUPPORTS_BIG_ENDIAN
1203
1204config CPU_LITTLE_ENDIAN
1205	bool "Little endian"
1206	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1207
1208endchoice
1209
1210config EXPORT_UASM
1211	bool
1212
1213config SYS_SUPPORTS_APM_EMULATION
1214	bool
1215
1216config SYS_SUPPORTS_BIG_ENDIAN
1217	bool
1218
1219config SYS_SUPPORTS_LITTLE_ENDIAN
1220	bool
1221
1222config SYS_SUPPORTS_HUGETLBFS
1223	bool
1224	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1225	default y
1226
1227config MIPS_HUGE_TLB_SUPPORT
1228	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1229
1230config IRQ_CPU_RM7K
1231	bool
1232
1233config IRQ_MSP_SLP
1234	bool
1235
1236config IRQ_MSP_CIC
1237	bool
1238
1239config IRQ_TXX9
1240	bool
1241
1242config IRQ_GT641XX
1243	bool
1244
1245config PCI_GT64XXX_PCI0
1246	bool
1247
1248config NO_EXCEPT_FILL
1249	bool
1250
1251config SOC_EMMA2RH
1252	bool
1253	select CEVT_R4K
1254	select CSRC_R4K
1255	select DMA_NONCOHERENT
1256	select IRQ_MIPS_CPU
1257	select SWAP_IO_SPACE
1258	select SYS_HAS_CPU_R5500
1259	select SYS_SUPPORTS_32BIT_KERNEL
1260	select SYS_SUPPORTS_64BIT_KERNEL
1261	select SYS_SUPPORTS_BIG_ENDIAN
1262
1263config SOC_PNX833X
1264	bool
1265	select CEVT_R4K
1266	select CSRC_R4K
1267	select IRQ_MIPS_CPU
1268	select DMA_NONCOHERENT
1269	select SYS_HAS_CPU_MIPS32_R2
1270	select SYS_SUPPORTS_32BIT_KERNEL
1271	select SYS_SUPPORTS_LITTLE_ENDIAN
1272	select SYS_SUPPORTS_BIG_ENDIAN
1273	select SYS_SUPPORTS_MIPS16
1274	select CPU_MIPSR2_IRQ_VI
1275
1276config SOC_PNX8335
1277	bool
1278	select SOC_PNX833X
1279
1280config MIPS_SPRAM
1281	bool
1282
1283config SWAP_IO_SPACE
1284	bool
1285
1286config SGI_HAS_INDYDOG
1287	bool
1288
1289config SGI_HAS_HAL2
1290	bool
1291
1292config SGI_HAS_SEEQ
1293	bool
1294
1295config SGI_HAS_WD93
1296	bool
1297
1298config SGI_HAS_ZILOG
1299	bool
1300
1301config SGI_HAS_I8042
1302	bool
1303
1304config DEFAULT_SGI_PARTITION
1305	bool
1306
1307config FW_ARC32
1308	bool
1309
1310config FW_SNIPROM
1311	bool
1312
1313config BOOT_ELF32
1314	bool
1315
1316config MIPS_L1_CACHE_SHIFT_4
1317	bool
1318
1319config MIPS_L1_CACHE_SHIFT_5
1320	bool
1321
1322config MIPS_L1_CACHE_SHIFT_6
1323	bool
1324
1325config MIPS_L1_CACHE_SHIFT_7
1326	bool
1327
1328config MIPS_L1_CACHE_SHIFT
1329	int
1330	default "7" if MIPS_L1_CACHE_SHIFT_7
1331	default "6" if MIPS_L1_CACHE_SHIFT_6
1332	default "5" if MIPS_L1_CACHE_SHIFT_5
1333	default "4" if MIPS_L1_CACHE_SHIFT_4
1334	default "5"
1335
1336config HAVE_STD_PC_SERIAL_PORT
1337	bool
1338
1339config ARC_CONSOLE
1340	bool "ARC console support"
1341	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1342
1343config ARC_MEMORY
1344	bool
1345	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1346	default y
1347
1348config ARC_PROMLIB
1349	bool
1350	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1351	default y
1352
1353config FW_ARC64
1354	bool
1355
1356config BOOT_ELF64
1357	bool
1358
1359menu "CPU selection"
1360
1361choice
1362	prompt "CPU type"
1363	default CPU_R4X00
1364
1365config CPU_LOONGSON3
1366	bool "Loongson 3 CPU"
1367	depends on SYS_HAS_CPU_LOONGSON3
1368	select ARCH_HAS_PHYS_TO_DMA
1369	select CPU_SUPPORTS_64BIT_KERNEL
1370	select CPU_SUPPORTS_HIGHMEM
1371	select CPU_SUPPORTS_HUGEPAGES
1372	select CPU_HAS_LOAD_STORE_LR
1373	select WEAK_ORDERING
1374	select WEAK_REORDERING_BEYOND_LLSC
1375	select MIPS_PGD_C0_CONTEXT
1376	select MIPS_L1_CACHE_SHIFT_6
1377	select GPIOLIB
1378	select SWIOTLB
1379	help
1380		The Loongson 3 processor implements the MIPS64R2 instruction
1381		set with many extensions.
1382
1383config LOONGSON3_ENHANCEMENT
1384	bool "New Loongson 3 CPU Enhancements"
1385	default n
1386	select CPU_MIPSR2
1387	select CPU_HAS_PREFETCH
1388	depends on CPU_LOONGSON3
1389	help
1390	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1391	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1392	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1393	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1394	  Fast TLB refill support, etc.
1395
1396	  This option enable those enhancements which are not probed at run
1397	  time. If you want a generic kernel to run on all Loongson 3 machines,
1398	  please say 'N' here. If you want a high-performance kernel to run on
1399	  new Loongson 3 machines only, please say 'Y' here.
1400
1401config CPU_LOONGSON2E
1402	bool "Loongson 2E"
1403	depends on SYS_HAS_CPU_LOONGSON2E
1404	select CPU_LOONGSON2
1405	help
1406	  The Loongson 2E processor implements the MIPS III instruction set
1407	  with many extensions.
1408
1409	  It has an internal FPGA northbridge, which is compatible to
1410	  bonito64.
1411
1412config CPU_LOONGSON2F
1413	bool "Loongson 2F"
1414	depends on SYS_HAS_CPU_LOONGSON2F
1415	select CPU_LOONGSON2
1416	select GPIOLIB
1417	help
1418	  The Loongson 2F processor implements the MIPS III instruction set
1419	  with many extensions.
1420
1421	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1422	  have a similar programming interface with FPGA northbridge used in
1423	  Loongson2E.
1424
1425config CPU_LOONGSON1B
1426	bool "Loongson 1B"
1427	depends on SYS_HAS_CPU_LOONGSON1B
1428	select CPU_LOONGSON1
1429	select LEDS_GPIO_REGISTER
1430	help
1431	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1432	  Release 1 instruction set and part of the MIPS32 Release 2
1433	  instruction set.
1434
1435config CPU_LOONGSON1C
1436	bool "Loongson 1C"
1437	depends on SYS_HAS_CPU_LOONGSON1C
1438	select CPU_LOONGSON1
1439	select LEDS_GPIO_REGISTER
1440	help
1441	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1442	  Release 1 instruction set and part of the MIPS32 Release 2
1443	  instruction set.
1444
1445config CPU_MIPS32_R1
1446	bool "MIPS32 Release 1"
1447	depends on SYS_HAS_CPU_MIPS32_R1
1448	select CPU_HAS_PREFETCH
1449	select CPU_HAS_LOAD_STORE_LR
1450	select CPU_SUPPORTS_32BIT_KERNEL
1451	select CPU_SUPPORTS_HIGHMEM
1452	help
1453	  Choose this option to build a kernel for release 1 or later of the
1454	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1455	  MIPS processor are based on a MIPS32 processor.  If you know the
1456	  specific type of processor in your system, choose those that one
1457	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1458	  Release 2 of the MIPS32 architecture is available since several
1459	  years so chances are you even have a MIPS32 Release 2 processor
1460	  in which case you should choose CPU_MIPS32_R2 instead for better
1461	  performance.
1462
1463config CPU_MIPS32_R2
1464	bool "MIPS32 Release 2"
1465	depends on SYS_HAS_CPU_MIPS32_R2
1466	select CPU_HAS_PREFETCH
1467	select CPU_HAS_LOAD_STORE_LR
1468	select CPU_SUPPORTS_32BIT_KERNEL
1469	select CPU_SUPPORTS_HIGHMEM
1470	select CPU_SUPPORTS_MSA
1471	select HAVE_KVM
1472	help
1473	  Choose this option to build a kernel for release 2 or later of the
1474	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1475	  MIPS processor are based on a MIPS32 processor.  If you know the
1476	  specific type of processor in your system, choose those that one
1477	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1478
1479config CPU_MIPS32_R6
1480	bool "MIPS32 Release 6"
1481	depends on SYS_HAS_CPU_MIPS32_R6
1482	select CPU_HAS_PREFETCH
1483	select CPU_SUPPORTS_32BIT_KERNEL
1484	select CPU_SUPPORTS_HIGHMEM
1485	select CPU_SUPPORTS_MSA
1486	select HAVE_KVM
1487	select MIPS_O32_FP64_SUPPORT
1488	help
1489	  Choose this option to build a kernel for release 6 or later of the
1490	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1491	  family, are based on a MIPS32r6 processor. If you own an older
1492	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1493
1494config CPU_MIPS64_R1
1495	bool "MIPS64 Release 1"
1496	depends on SYS_HAS_CPU_MIPS64_R1
1497	select CPU_HAS_PREFETCH
1498	select CPU_HAS_LOAD_STORE_LR
1499	select CPU_SUPPORTS_32BIT_KERNEL
1500	select CPU_SUPPORTS_64BIT_KERNEL
1501	select CPU_SUPPORTS_HIGHMEM
1502	select CPU_SUPPORTS_HUGEPAGES
1503	help
1504	  Choose this option to build a kernel for release 1 or later of the
1505	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1506	  MIPS processor are based on a MIPS64 processor.  If you know the
1507	  specific type of processor in your system, choose those that one
1508	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1509	  Release 2 of the MIPS64 architecture is available since several
1510	  years so chances are you even have a MIPS64 Release 2 processor
1511	  in which case you should choose CPU_MIPS64_R2 instead for better
1512	  performance.
1513
1514config CPU_MIPS64_R2
1515	bool "MIPS64 Release 2"
1516	depends on SYS_HAS_CPU_MIPS64_R2
1517	select CPU_HAS_PREFETCH
1518	select CPU_HAS_LOAD_STORE_LR
1519	select CPU_SUPPORTS_32BIT_KERNEL
1520	select CPU_SUPPORTS_64BIT_KERNEL
1521	select CPU_SUPPORTS_HIGHMEM
1522	select CPU_SUPPORTS_HUGEPAGES
1523	select CPU_SUPPORTS_MSA
1524	select HAVE_KVM
1525	help
1526	  Choose this option to build a kernel for release 2 or later of the
1527	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1528	  MIPS processor are based on a MIPS64 processor.  If you know the
1529	  specific type of processor in your system, choose those that one
1530	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1531
1532config CPU_MIPS64_R6
1533	bool "MIPS64 Release 6"
1534	depends on SYS_HAS_CPU_MIPS64_R6
1535	select CPU_HAS_PREFETCH
1536	select CPU_SUPPORTS_32BIT_KERNEL
1537	select CPU_SUPPORTS_64BIT_KERNEL
1538	select CPU_SUPPORTS_HIGHMEM
1539	select CPU_SUPPORTS_MSA
1540	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1541	select HAVE_KVM
1542	help
1543	  Choose this option to build a kernel for release 6 or later of the
1544	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1545	  family, are based on a MIPS64r6 processor. If you own an older
1546	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1547
1548config CPU_R3000
1549	bool "R3000"
1550	depends on SYS_HAS_CPU_R3000
1551	select CPU_HAS_WB
1552	select CPU_HAS_LOAD_STORE_LR
1553	select CPU_SUPPORTS_32BIT_KERNEL
1554	select CPU_SUPPORTS_HIGHMEM
1555	help
1556	  Please make sure to pick the right CPU type. Linux/MIPS is not
1557	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1558	  *not* work on R4000 machines and vice versa.  However, since most
1559	  of the supported machines have an R4000 (or similar) CPU, R4x00
1560	  might be a safe bet.  If the resulting kernel does not work,
1561	  try to recompile with R3000.
1562
1563config CPU_TX39XX
1564	bool "R39XX"
1565	depends on SYS_HAS_CPU_TX39XX
1566	select CPU_SUPPORTS_32BIT_KERNEL
1567	select CPU_HAS_LOAD_STORE_LR
1568
1569config CPU_VR41XX
1570	bool "R41xx"
1571	depends on SYS_HAS_CPU_VR41XX
1572	select CPU_SUPPORTS_32BIT_KERNEL
1573	select CPU_SUPPORTS_64BIT_KERNEL
1574	select CPU_HAS_LOAD_STORE_LR
1575	help
1576	  The options selects support for the NEC VR4100 series of processors.
1577	  Only choose this option if you have one of these processors as a
1578	  kernel built with this option will not run on any other type of
1579	  processor or vice versa.
1580
1581config CPU_R4300
1582	bool "R4300"
1583	depends on SYS_HAS_CPU_R4300
1584	select CPU_SUPPORTS_32BIT_KERNEL
1585	select CPU_SUPPORTS_64BIT_KERNEL
1586	select CPU_HAS_LOAD_STORE_LR
1587	help
1588	  MIPS Technologies R4300-series processors.
1589
1590config CPU_R4X00
1591	bool "R4x00"
1592	depends on SYS_HAS_CPU_R4X00
1593	select CPU_SUPPORTS_32BIT_KERNEL
1594	select CPU_SUPPORTS_64BIT_KERNEL
1595	select CPU_SUPPORTS_HUGEPAGES
1596	select CPU_HAS_LOAD_STORE_LR
1597	help
1598	  MIPS Technologies R4000-series processors other than 4300, including
1599	  the R4000, R4400, R4600, and 4700.
1600
1601config CPU_TX49XX
1602	bool "R49XX"
1603	depends on SYS_HAS_CPU_TX49XX
1604	select CPU_HAS_PREFETCH
1605	select CPU_HAS_LOAD_STORE_LR
1606	select CPU_SUPPORTS_32BIT_KERNEL
1607	select CPU_SUPPORTS_64BIT_KERNEL
1608	select CPU_SUPPORTS_HUGEPAGES
1609
1610config CPU_R5000
1611	bool "R5000"
1612	depends on SYS_HAS_CPU_R5000
1613	select CPU_SUPPORTS_32BIT_KERNEL
1614	select CPU_SUPPORTS_64BIT_KERNEL
1615	select CPU_SUPPORTS_HUGEPAGES
1616	select CPU_HAS_LOAD_STORE_LR
1617	help
1618	  MIPS Technologies R5000-series processors other than the Nevada.
1619
1620config CPU_R5432
1621	bool "R5432"
1622	depends on SYS_HAS_CPU_R5432
1623	select CPU_SUPPORTS_32BIT_KERNEL
1624	select CPU_SUPPORTS_64BIT_KERNEL
1625	select CPU_SUPPORTS_HUGEPAGES
1626	select CPU_HAS_LOAD_STORE_LR
1627
1628config CPU_R5500
1629	bool "R5500"
1630	depends on SYS_HAS_CPU_R5500
1631	select CPU_SUPPORTS_32BIT_KERNEL
1632	select CPU_SUPPORTS_64BIT_KERNEL
1633	select CPU_SUPPORTS_HUGEPAGES
1634	select CPU_HAS_LOAD_STORE_LR
1635	help
1636	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1637	  instruction set.
1638
1639config CPU_NEVADA
1640	bool "RM52xx"
1641	depends on SYS_HAS_CPU_NEVADA
1642	select CPU_SUPPORTS_32BIT_KERNEL
1643	select CPU_SUPPORTS_64BIT_KERNEL
1644	select CPU_SUPPORTS_HUGEPAGES
1645	select CPU_HAS_LOAD_STORE_LR
1646	help
1647	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1648
1649config CPU_R8000
1650	bool "R8000"
1651	depends on SYS_HAS_CPU_R8000
1652	select CPU_HAS_PREFETCH
1653	select CPU_HAS_LOAD_STORE_LR
1654	select CPU_SUPPORTS_64BIT_KERNEL
1655	help
1656	  MIPS Technologies R8000 processors.  Note these processors are
1657	  uncommon and the support for them is incomplete.
1658
1659config CPU_R10000
1660	bool "R10000"
1661	depends on SYS_HAS_CPU_R10000
1662	select CPU_HAS_PREFETCH
1663	select CPU_HAS_LOAD_STORE_LR
1664	select CPU_SUPPORTS_32BIT_KERNEL
1665	select CPU_SUPPORTS_64BIT_KERNEL
1666	select CPU_SUPPORTS_HIGHMEM
1667	select CPU_SUPPORTS_HUGEPAGES
1668	help
1669	  MIPS Technologies R10000-series processors.
1670
1671config CPU_RM7000
1672	bool "RM7000"
1673	depends on SYS_HAS_CPU_RM7000
1674	select CPU_HAS_PREFETCH
1675	select CPU_HAS_LOAD_STORE_LR
1676	select CPU_SUPPORTS_32BIT_KERNEL
1677	select CPU_SUPPORTS_64BIT_KERNEL
1678	select CPU_SUPPORTS_HIGHMEM
1679	select CPU_SUPPORTS_HUGEPAGES
1680
1681config CPU_SB1
1682	bool "SB1"
1683	depends on SYS_HAS_CPU_SB1
1684	select CPU_HAS_LOAD_STORE_LR
1685	select CPU_SUPPORTS_32BIT_KERNEL
1686	select CPU_SUPPORTS_64BIT_KERNEL
1687	select CPU_SUPPORTS_HIGHMEM
1688	select CPU_SUPPORTS_HUGEPAGES
1689	select WEAK_ORDERING
1690
1691config CPU_CAVIUM_OCTEON
1692	bool "Cavium Octeon processor"
1693	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1694	select CPU_HAS_PREFETCH
1695	select CPU_HAS_LOAD_STORE_LR
1696	select CPU_SUPPORTS_64BIT_KERNEL
1697	select WEAK_ORDERING
1698	select CPU_SUPPORTS_HIGHMEM
1699	select CPU_SUPPORTS_HUGEPAGES
1700	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1701	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1702	select MIPS_L1_CACHE_SHIFT_7
1703	select HAVE_KVM
1704	help
1705	  The Cavium Octeon processor is a highly integrated chip containing
1706	  many ethernet hardware widgets for networking tasks. The processor
1707	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1708	  Full details can be found at http://www.caviumnetworks.com.
1709
1710config CPU_BMIPS
1711	bool "Broadcom BMIPS"
1712	depends on SYS_HAS_CPU_BMIPS
1713	select CPU_MIPS32
1714	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1715	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1716	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1717	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1718	select CPU_SUPPORTS_32BIT_KERNEL
1719	select DMA_NONCOHERENT
1720	select IRQ_MIPS_CPU
1721	select SWAP_IO_SPACE
1722	select WEAK_ORDERING
1723	select CPU_SUPPORTS_HIGHMEM
1724	select CPU_HAS_PREFETCH
1725	select CPU_HAS_LOAD_STORE_LR
1726	select CPU_SUPPORTS_CPUFREQ
1727	select MIPS_EXTERNAL_TIMER
1728	help
1729	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1730
1731config CPU_XLR
1732	bool "Netlogic XLR SoC"
1733	depends on SYS_HAS_CPU_XLR
1734	select CPU_HAS_LOAD_STORE_LR
1735	select CPU_SUPPORTS_32BIT_KERNEL
1736	select CPU_SUPPORTS_64BIT_KERNEL
1737	select CPU_SUPPORTS_HIGHMEM
1738	select CPU_SUPPORTS_HUGEPAGES
1739	select WEAK_ORDERING
1740	select WEAK_REORDERING_BEYOND_LLSC
1741	help
1742	  Netlogic Microsystems XLR/XLS processors.
1743
1744config CPU_XLP
1745	bool "Netlogic XLP SoC"
1746	depends on SYS_HAS_CPU_XLP
1747	select CPU_SUPPORTS_32BIT_KERNEL
1748	select CPU_SUPPORTS_64BIT_KERNEL
1749	select CPU_SUPPORTS_HIGHMEM
1750	select WEAK_ORDERING
1751	select WEAK_REORDERING_BEYOND_LLSC
1752	select CPU_HAS_PREFETCH
1753	select CPU_HAS_LOAD_STORE_LR
1754	select CPU_MIPSR2
1755	select CPU_SUPPORTS_HUGEPAGES
1756	select MIPS_ASID_BITS_VARIABLE
1757	help
1758	  Netlogic Microsystems XLP processors.
1759endchoice
1760
1761config CPU_MIPS32_3_5_FEATURES
1762	bool "MIPS32 Release 3.5 Features"
1763	depends on SYS_HAS_CPU_MIPS32_R3_5
1764	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1765	help
1766	  Choose this option to build a kernel for release 2 or later of the
1767	  MIPS32 architecture including features from the 3.5 release such as
1768	  support for Enhanced Virtual Addressing (EVA).
1769
1770config CPU_MIPS32_3_5_EVA
1771	bool "Enhanced Virtual Addressing (EVA)"
1772	depends on CPU_MIPS32_3_5_FEATURES
1773	select EVA
1774	default y
1775	help
1776	  Choose this option if you want to enable the Enhanced Virtual
1777	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1778	  One of its primary benefits is an increase in the maximum size
1779	  of lowmem (up to 3GB). If unsure, say 'N' here.
1780
1781config CPU_MIPS32_R5_FEATURES
1782	bool "MIPS32 Release 5 Features"
1783	depends on SYS_HAS_CPU_MIPS32_R5
1784	depends on CPU_MIPS32_R2
1785	help
1786	  Choose this option to build a kernel for release 2 or later of the
1787	  MIPS32 architecture including features from release 5 such as
1788	  support for Extended Physical Addressing (XPA).
1789
1790config CPU_MIPS32_R5_XPA
1791	bool "Extended Physical Addressing (XPA)"
1792	depends on CPU_MIPS32_R5_FEATURES
1793	depends on !EVA
1794	depends on !PAGE_SIZE_4KB
1795	depends on SYS_SUPPORTS_HIGHMEM
1796	select XPA
1797	select HIGHMEM
1798	select PHYS_ADDR_T_64BIT
1799	default n
1800	help
1801	  Choose this option if you want to enable the Extended Physical
1802	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1803	  benefit is to increase physical addressing equal to or greater
1804	  than 40 bits. Note that this has the side effect of turning on
1805	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1806	  If unsure, say 'N' here.
1807
1808if CPU_LOONGSON2F
1809config CPU_NOP_WORKAROUNDS
1810	bool
1811
1812config CPU_JUMP_WORKAROUNDS
1813	bool
1814
1815config CPU_LOONGSON2F_WORKAROUNDS
1816	bool "Loongson 2F Workarounds"
1817	default y
1818	select CPU_NOP_WORKAROUNDS
1819	select CPU_JUMP_WORKAROUNDS
1820	help
1821	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1822	  require workarounds.  Without workarounds the system may hang
1823	  unexpectedly.  For more information please refer to the gas
1824	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1825
1826	  Loongson 2F03 and later have fixed these issues and no workarounds
1827	  are needed.  The workarounds have no significant side effect on them
1828	  but may decrease the performance of the system so this option should
1829	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1830	  systems.
1831
1832	  If unsure, please say Y.
1833endif # CPU_LOONGSON2F
1834
1835config SYS_SUPPORTS_ZBOOT
1836	bool
1837	select HAVE_KERNEL_GZIP
1838	select HAVE_KERNEL_BZIP2
1839	select HAVE_KERNEL_LZ4
1840	select HAVE_KERNEL_LZMA
1841	select HAVE_KERNEL_LZO
1842	select HAVE_KERNEL_XZ
1843
1844config SYS_SUPPORTS_ZBOOT_UART16550
1845	bool
1846	select SYS_SUPPORTS_ZBOOT
1847
1848config SYS_SUPPORTS_ZBOOT_UART_PROM
1849	bool
1850	select SYS_SUPPORTS_ZBOOT
1851
1852config CPU_LOONGSON2
1853	bool
1854	select CPU_SUPPORTS_32BIT_KERNEL
1855	select CPU_SUPPORTS_64BIT_KERNEL
1856	select CPU_SUPPORTS_HIGHMEM
1857	select CPU_SUPPORTS_HUGEPAGES
1858	select ARCH_HAS_PHYS_TO_DMA
1859	select CPU_HAS_LOAD_STORE_LR
1860
1861config CPU_LOONGSON1
1862	bool
1863	select CPU_MIPS32
1864	select CPU_MIPSR1
1865	select CPU_HAS_PREFETCH
1866	select CPU_HAS_LOAD_STORE_LR
1867	select CPU_SUPPORTS_32BIT_KERNEL
1868	select CPU_SUPPORTS_HIGHMEM
1869	select CPU_SUPPORTS_CPUFREQ
1870
1871config CPU_BMIPS32_3300
1872	select SMP_UP if SMP
1873	bool
1874
1875config CPU_BMIPS4350
1876	bool
1877	select SYS_SUPPORTS_SMP
1878	select SYS_SUPPORTS_HOTPLUG_CPU
1879
1880config CPU_BMIPS4380
1881	bool
1882	select MIPS_L1_CACHE_SHIFT_6
1883	select SYS_SUPPORTS_SMP
1884	select SYS_SUPPORTS_HOTPLUG_CPU
1885	select CPU_HAS_RIXI
1886
1887config CPU_BMIPS5000
1888	bool
1889	select MIPS_CPU_SCACHE
1890	select MIPS_L1_CACHE_SHIFT_7
1891	select SYS_SUPPORTS_SMP
1892	select SYS_SUPPORTS_HOTPLUG_CPU
1893	select CPU_HAS_RIXI
1894
1895config SYS_HAS_CPU_LOONGSON3
1896	bool
1897	select CPU_SUPPORTS_CPUFREQ
1898	select CPU_HAS_RIXI
1899
1900config SYS_HAS_CPU_LOONGSON2E
1901	bool
1902
1903config SYS_HAS_CPU_LOONGSON2F
1904	bool
1905	select CPU_SUPPORTS_CPUFREQ
1906	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1907	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1908
1909config SYS_HAS_CPU_LOONGSON1B
1910	bool
1911
1912config SYS_HAS_CPU_LOONGSON1C
1913	bool
1914
1915config SYS_HAS_CPU_MIPS32_R1
1916	bool
1917
1918config SYS_HAS_CPU_MIPS32_R2
1919	bool
1920
1921config SYS_HAS_CPU_MIPS32_R3_5
1922	bool
1923
1924config SYS_HAS_CPU_MIPS32_R5
1925	bool
1926
1927config SYS_HAS_CPU_MIPS32_R6
1928	bool
1929
1930config SYS_HAS_CPU_MIPS64_R1
1931	bool
1932
1933config SYS_HAS_CPU_MIPS64_R2
1934	bool
1935
1936config SYS_HAS_CPU_MIPS64_R6
1937	bool
1938
1939config SYS_HAS_CPU_R3000
1940	bool
1941
1942config SYS_HAS_CPU_TX39XX
1943	bool
1944
1945config SYS_HAS_CPU_VR41XX
1946	bool
1947
1948config SYS_HAS_CPU_R4300
1949	bool
1950
1951config SYS_HAS_CPU_R4X00
1952	bool
1953
1954config SYS_HAS_CPU_TX49XX
1955	bool
1956
1957config SYS_HAS_CPU_R5000
1958	bool
1959
1960config SYS_HAS_CPU_R5432
1961	bool
1962
1963config SYS_HAS_CPU_R5500
1964	bool
1965
1966config SYS_HAS_CPU_NEVADA
1967	bool
1968
1969config SYS_HAS_CPU_R8000
1970	bool
1971
1972config SYS_HAS_CPU_R10000
1973	bool
1974
1975config SYS_HAS_CPU_RM7000
1976	bool
1977
1978config SYS_HAS_CPU_SB1
1979	bool
1980
1981config SYS_HAS_CPU_CAVIUM_OCTEON
1982	bool
1983
1984config SYS_HAS_CPU_BMIPS
1985	bool
1986
1987config SYS_HAS_CPU_BMIPS32_3300
1988	bool
1989	select SYS_HAS_CPU_BMIPS
1990
1991config SYS_HAS_CPU_BMIPS4350
1992	bool
1993	select SYS_HAS_CPU_BMIPS
1994
1995config SYS_HAS_CPU_BMIPS4380
1996	bool
1997	select SYS_HAS_CPU_BMIPS
1998
1999config SYS_HAS_CPU_BMIPS5000
2000	bool
2001	select SYS_HAS_CPU_BMIPS
2002
2003config SYS_HAS_CPU_XLR
2004	bool
2005
2006config SYS_HAS_CPU_XLP
2007	bool
2008
2009#
2010# CPU may reorder R->R, R->W, W->R, W->W
2011# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2012#
2013config WEAK_ORDERING
2014	bool
2015
2016#
2017# CPU may reorder reads and writes beyond LL/SC
2018# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2019#
2020config WEAK_REORDERING_BEYOND_LLSC
2021	bool
2022endmenu
2023
2024#
2025# These two indicate any level of the MIPS32 and MIPS64 architecture
2026#
2027config CPU_MIPS32
2028	bool
2029	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2030
2031config CPU_MIPS64
2032	bool
2033	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2034
2035#
2036# These two indicate the revision of the architecture, either Release 1 or Release 2
2037#
2038config CPU_MIPSR1
2039	bool
2040	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2041
2042config CPU_MIPSR2
2043	bool
2044	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2045	select CPU_HAS_RIXI
2046	select MIPS_SPRAM
2047
2048config CPU_MIPSR6
2049	bool
2050	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2051	select CPU_HAS_RIXI
2052	select HAVE_ARCH_BITREVERSE
2053	select MIPS_ASID_BITS_VARIABLE
2054	select MIPS_CRC_SUPPORT
2055	select MIPS_SPRAM
2056
2057config EVA
2058	bool
2059
2060config XPA
2061	bool
2062
2063config SYS_SUPPORTS_32BIT_KERNEL
2064	bool
2065config SYS_SUPPORTS_64BIT_KERNEL
2066	bool
2067config CPU_SUPPORTS_32BIT_KERNEL
2068	bool
2069config CPU_SUPPORTS_64BIT_KERNEL
2070	bool
2071config CPU_SUPPORTS_CPUFREQ
2072	bool
2073config CPU_SUPPORTS_ADDRWINCFG
2074	bool
2075config CPU_SUPPORTS_HUGEPAGES
2076	bool
2077config CPU_SUPPORTS_UNCACHED_ACCELERATED
2078	bool
2079config MIPS_PGD_C0_CONTEXT
2080	bool
2081	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2082
2083#
2084# Set to y for ptrace access to watch registers.
2085#
2086config HARDWARE_WATCHPOINTS
2087       bool
2088       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2089
2090menu "Kernel type"
2091
2092choice
2093	prompt "Kernel code model"
2094	help
2095	  You should only select this option if you have a workload that
2096	  actually benefits from 64-bit processing or if your machine has
2097	  large memory.  You will only be presented a single option in this
2098	  menu if your system does not support both 32-bit and 64-bit kernels.
2099
2100config 32BIT
2101	bool "32-bit kernel"
2102	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2103	select TRAD_SIGNALS
2104	help
2105	  Select this option if you want to build a 32-bit kernel.
2106
2107config 64BIT
2108	bool "64-bit kernel"
2109	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2110	help
2111	  Select this option if you want to build a 64-bit kernel.
2112
2113endchoice
2114
2115config KVM_GUEST
2116	bool "KVM Guest Kernel"
2117	depends on BROKEN_ON_SMP
2118	help
2119	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2120	  mode.
2121
2122config KVM_GUEST_TIMER_FREQ
2123	int "Count/Compare Timer Frequency (MHz)"
2124	depends on KVM_GUEST
2125	default 100
2126	help
2127	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2128	  emulation when determining guest CPU Frequency. Instead, the guest's
2129	  timer frequency is specified directly.
2130
2131config MIPS_VA_BITS_48
2132	bool "48 bits virtual memory"
2133	depends on 64BIT
2134	help
2135	  Support a maximum at least 48 bits of application virtual
2136	  memory.  Default is 40 bits or less, depending on the CPU.
2137	  For page sizes 16k and above, this option results in a small
2138	  memory overhead for page tables.  For 4k page size, a fourth
2139	  level of page tables is added which imposes both a memory
2140	  overhead as well as slower TLB fault handling.
2141
2142	  If unsure, say N.
2143
2144choice
2145	prompt "Kernel page size"
2146	default PAGE_SIZE_4KB
2147
2148config PAGE_SIZE_4KB
2149	bool "4kB"
2150	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2151	help
2152	 This option select the standard 4kB Linux page size.  On some
2153	 R3000-family processors this is the only available page size.  Using
2154	 4kB page size will minimize memory consumption and is therefore
2155	 recommended for low memory systems.
2156
2157config PAGE_SIZE_8KB
2158	bool "8kB"
2159	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2160	depends on !MIPS_VA_BITS_48
2161	help
2162	  Using 8kB page size will result in higher performance kernel at
2163	  the price of higher memory consumption.  This option is available
2164	  only on R8000 and cnMIPS processors.  Note that you will need a
2165	  suitable Linux distribution to support this.
2166
2167config PAGE_SIZE_16KB
2168	bool "16kB"
2169	depends on !CPU_R3000 && !CPU_TX39XX
2170	help
2171	  Using 16kB page size will result in higher performance kernel at
2172	  the price of higher memory consumption.  This option is available on
2173	  all non-R3000 family processors.  Note that you will need a suitable
2174	  Linux distribution to support this.
2175
2176config PAGE_SIZE_32KB
2177	bool "32kB"
2178	depends on CPU_CAVIUM_OCTEON
2179	depends on !MIPS_VA_BITS_48
2180	help
2181	  Using 32kB page size will result in higher performance kernel at
2182	  the price of higher memory consumption.  This option is available
2183	  only on cnMIPS cores.  Note that you will need a suitable Linux
2184	  distribution to support this.
2185
2186config PAGE_SIZE_64KB
2187	bool "64kB"
2188	depends on !CPU_R3000 && !CPU_TX39XX
2189	help
2190	  Using 64kB page size will result in higher performance kernel at
2191	  the price of higher memory consumption.  This option is available on
2192	  all non-R3000 family processor.  Not that at the time of this
2193	  writing this option is still high experimental.
2194
2195endchoice
2196
2197config FORCE_MAX_ZONEORDER
2198	int "Maximum zone order"
2199	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2200	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2201	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2202	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2203	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2204	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2205	range 11 64
2206	default "11"
2207	help
2208	  The kernel memory allocator divides physically contiguous memory
2209	  blocks into "zones", where each zone is a power of two number of
2210	  pages.  This option selects the largest power of two that the kernel
2211	  keeps in the memory allocator.  If you need to allocate very large
2212	  blocks of physically contiguous memory, then you may need to
2213	  increase this value.
2214
2215	  This config option is actually maximum order plus one. For example,
2216	  a value of 11 means that the largest free memory block is 2^10 pages.
2217
2218	  The page size is not necessarily 4KB.  Keep this in mind
2219	  when choosing a value for this option.
2220
2221config BOARD_SCACHE
2222	bool
2223
2224config IP22_CPU_SCACHE
2225	bool
2226	select BOARD_SCACHE
2227
2228#
2229# Support for a MIPS32 / MIPS64 style S-caches
2230#
2231config MIPS_CPU_SCACHE
2232	bool
2233	select BOARD_SCACHE
2234
2235config R5000_CPU_SCACHE
2236	bool
2237	select BOARD_SCACHE
2238
2239config RM7000_CPU_SCACHE
2240	bool
2241	select BOARD_SCACHE
2242
2243config SIBYTE_DMA_PAGEOPS
2244	bool "Use DMA to clear/copy pages"
2245	depends on CPU_SB1
2246	help
2247	  Instead of using the CPU to zero and copy pages, use a Data Mover
2248	  channel.  These DMA channels are otherwise unused by the standard
2249	  SiByte Linux port.  Seems to give a small performance benefit.
2250
2251config CPU_HAS_PREFETCH
2252	bool
2253
2254config CPU_GENERIC_DUMP_TLB
2255	bool
2256	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2257
2258config CPU_R4K_FPU
2259	bool
2260	default y if !(CPU_R3000 || CPU_TX39XX)
2261
2262config CPU_R4K_CACHE_TLB
2263	bool
2264	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2265
2266config MIPS_MT_SMP
2267	bool "MIPS MT SMP support (1 TC on each available VPE)"
2268	default y
2269	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2270	select CPU_MIPSR2_IRQ_VI
2271	select CPU_MIPSR2_IRQ_EI
2272	select SYNC_R4K
2273	select MIPS_MT
2274	select SMP
2275	select SMP_UP
2276	select SYS_SUPPORTS_SMP
2277	select SYS_SUPPORTS_SCHED_SMT
2278	select MIPS_PERF_SHARED_TC_COUNTERS
2279	help
2280	  This is a kernel model which is known as SMVP. This is supported
2281	  on cores with the MT ASE and uses the available VPEs to implement
2282	  virtual processors which supports SMP. This is equivalent to the
2283	  Intel Hyperthreading feature. For further information go to
2284	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2285
2286config MIPS_MT
2287	bool
2288
2289config SCHED_SMT
2290	bool "SMT (multithreading) scheduler support"
2291	depends on SYS_SUPPORTS_SCHED_SMT
2292	default n
2293	help
2294	  SMT scheduler support improves the CPU scheduler's decision making
2295	  when dealing with MIPS MT enabled cores at a cost of slightly
2296	  increased overhead in some places. If unsure say N here.
2297
2298config SYS_SUPPORTS_SCHED_SMT
2299	bool
2300
2301config SYS_SUPPORTS_MULTITHREADING
2302	bool
2303
2304config MIPS_MT_FPAFF
2305	bool "Dynamic FPU affinity for FP-intensive threads"
2306	default y
2307	depends on MIPS_MT_SMP
2308
2309config MIPSR2_TO_R6_EMULATOR
2310	bool "MIPS R2-to-R6 emulator"
2311	depends on CPU_MIPSR6
2312	default y
2313	help
2314	  Choose this option if you want to run non-R6 MIPS userland code.
2315	  Even if you say 'Y' here, the emulator will still be disabled by
2316	  default. You can enable it using the 'mipsr2emu' kernel option.
2317	  The only reason this is a build-time option is to save ~14K from the
2318	  final kernel image.
2319
2320config SYS_SUPPORTS_VPE_LOADER
2321	bool
2322	depends on SYS_SUPPORTS_MULTITHREADING
2323	help
2324	  Indicates that the platform supports the VPE loader, and provides
2325	  physical_memsize.
2326
2327config MIPS_VPE_LOADER
2328	bool "VPE loader support."
2329	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2330	select CPU_MIPSR2_IRQ_VI
2331	select CPU_MIPSR2_IRQ_EI
2332	select MIPS_MT
2333	help
2334	  Includes a loader for loading an elf relocatable object
2335	  onto another VPE and running it.
2336
2337config MIPS_VPE_LOADER_CMP
2338	bool
2339	default "y"
2340	depends on MIPS_VPE_LOADER && MIPS_CMP
2341
2342config MIPS_VPE_LOADER_MT
2343	bool
2344	default "y"
2345	depends on MIPS_VPE_LOADER && !MIPS_CMP
2346
2347config MIPS_VPE_LOADER_TOM
2348	bool "Load VPE program into memory hidden from linux"
2349	depends on MIPS_VPE_LOADER
2350	default y
2351	help
2352	  The loader can use memory that is present but has been hidden from
2353	  Linux using the kernel command line option "mem=xxMB". It's up to
2354	  you to ensure the amount you put in the option and the space your
2355	  program requires is less or equal to the amount physically present.
2356
2357config MIPS_VPE_APSP_API
2358	bool "Enable support for AP/SP API (RTLX)"
2359	depends on MIPS_VPE_LOADER
2360
2361config MIPS_VPE_APSP_API_CMP
2362	bool
2363	default "y"
2364	depends on MIPS_VPE_APSP_API && MIPS_CMP
2365
2366config MIPS_VPE_APSP_API_MT
2367	bool
2368	default "y"
2369	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2370
2371config MIPS_CMP
2372	bool "MIPS CMP framework support (DEPRECATED)"
2373	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2374	select SMP
2375	select SYNC_R4K
2376	select SYS_SUPPORTS_SMP
2377	select WEAK_ORDERING
2378	default n
2379	help
2380	  Select this if you are using a bootloader which implements the "CMP
2381	  framework" protocol (ie. YAMON) and want your kernel to make use of
2382	  its ability to start secondary CPUs.
2383
2384	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2385	  instead of this.
2386
2387config MIPS_CPS
2388	bool "MIPS Coherent Processing System support"
2389	depends on SYS_SUPPORTS_MIPS_CPS
2390	select MIPS_CM
2391	select MIPS_CPS_PM if HOTPLUG_CPU
2392	select SMP
2393	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2394	select SYS_SUPPORTS_HOTPLUG_CPU
2395	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2396	select SYS_SUPPORTS_SMP
2397	select WEAK_ORDERING
2398	help
2399	  Select this if you wish to run an SMP kernel across multiple cores
2400	  within a MIPS Coherent Processing System. When this option is
2401	  enabled the kernel will probe for other cores and boot them with
2402	  no external assistance. It is safe to enable this when hardware
2403	  support is unavailable.
2404
2405config MIPS_CPS_PM
2406	depends on MIPS_CPS
2407	bool
2408
2409config MIPS_CM
2410	bool
2411	select MIPS_CPC
2412
2413config MIPS_CPC
2414	bool
2415
2416config SB1_PASS_2_WORKAROUNDS
2417	bool
2418	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2419	default y
2420
2421config SB1_PASS_2_1_WORKAROUNDS
2422	bool
2423	depends on CPU_SB1 && CPU_SB1_PASS_2
2424	default y
2425
2426
2427choice
2428	prompt "SmartMIPS or microMIPS ASE support"
2429
2430config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2431	bool "None"
2432	help
2433	  Select this if you want neither microMIPS nor SmartMIPS support
2434
2435config CPU_HAS_SMARTMIPS
2436	depends on SYS_SUPPORTS_SMARTMIPS
2437	bool "SmartMIPS"
2438	help
2439	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2440	  increased security at both hardware and software level for
2441	  smartcards.  Enabling this option will allow proper use of the
2442	  SmartMIPS instructions by Linux applications.  However a kernel with
2443	  this option will not work on a MIPS core without SmartMIPS core.  If
2444	  you don't know you probably don't have SmartMIPS and should say N
2445	  here.
2446
2447config CPU_MICROMIPS
2448	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2449	bool "microMIPS"
2450	help
2451	  When this option is enabled the kernel will be built using the
2452	  microMIPS ISA
2453
2454endchoice
2455
2456config CPU_HAS_MSA
2457	bool "Support for the MIPS SIMD Architecture"
2458	depends on CPU_SUPPORTS_MSA
2459	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2460	help
2461	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2462	  and a set of SIMD instructions to operate on them. When this option
2463	  is enabled the kernel will support allocating & switching MSA
2464	  vector register contexts. If you know that your kernel will only be
2465	  running on CPUs which do not support MSA or that your userland will
2466	  not be making use of it then you may wish to say N here to reduce
2467	  the size & complexity of your kernel.
2468
2469	  If unsure, say Y.
2470
2471config CPU_HAS_WB
2472	bool
2473
2474config XKS01
2475	bool
2476
2477config CPU_HAS_RIXI
2478	bool
2479
2480config CPU_HAS_LOAD_STORE_LR
2481	bool
2482	help
2483	  CPU has support for unaligned load and store instructions:
2484	  LWL, LWR, SWL, SWR (Load/store word left/right).
2485	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2486
2487#
2488# Vectored interrupt mode is an R2 feature
2489#
2490config CPU_MIPSR2_IRQ_VI
2491	bool
2492
2493#
2494# Extended interrupt mode is an R2 feature
2495#
2496config CPU_MIPSR2_IRQ_EI
2497	bool
2498
2499config CPU_HAS_SYNC
2500	bool
2501	depends on !CPU_R3000
2502	default y
2503
2504#
2505# CPU non-features
2506#
2507config CPU_DADDI_WORKAROUNDS
2508	bool
2509
2510config CPU_R4000_WORKAROUNDS
2511	bool
2512	select CPU_R4400_WORKAROUNDS
2513
2514config CPU_R4400_WORKAROUNDS
2515	bool
2516
2517config MIPS_ASID_SHIFT
2518	int
2519	default 6 if CPU_R3000 || CPU_TX39XX
2520	default 4 if CPU_R8000
2521	default 0
2522
2523config MIPS_ASID_BITS
2524	int
2525	default 0 if MIPS_ASID_BITS_VARIABLE
2526	default 6 if CPU_R3000 || CPU_TX39XX
2527	default 8
2528
2529config MIPS_ASID_BITS_VARIABLE
2530	bool
2531
2532config MIPS_CRC_SUPPORT
2533	bool
2534
2535#
2536# - Highmem only makes sense for the 32-bit kernel.
2537# - The current highmem code will only work properly on physically indexed
2538#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2539#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2540#   moment we protect the user and offer the highmem option only on machines
2541#   where it's known to be safe.  This will not offer highmem on a few systems
2542#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2543#   indexed CPUs but we're playing safe.
2544# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2545#   know they might have memory configurations that could make use of highmem
2546#   support.
2547#
2548config HIGHMEM
2549	bool "High Memory Support"
2550	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2551
2552config CPU_SUPPORTS_HIGHMEM
2553	bool
2554
2555config SYS_SUPPORTS_HIGHMEM
2556	bool
2557
2558config SYS_SUPPORTS_SMARTMIPS
2559	bool
2560
2561config SYS_SUPPORTS_MICROMIPS
2562	bool
2563
2564config SYS_SUPPORTS_MIPS16
2565	bool
2566	help
2567	  This option must be set if a kernel might be executed on a MIPS16-
2568	  enabled CPU even if MIPS16 is not actually being used.  In other
2569	  words, it makes the kernel MIPS16-tolerant.
2570
2571config CPU_SUPPORTS_MSA
2572	bool
2573
2574config ARCH_FLATMEM_ENABLE
2575	def_bool y
2576	depends on !NUMA && !CPU_LOONGSON2
2577
2578config ARCH_DISCONTIGMEM_ENABLE
2579	bool
2580	default y if SGI_IP27
2581	help
2582	  Say Y to support efficient handling of discontiguous physical memory,
2583	  for architectures which are either NUMA (Non-Uniform Memory Access)
2584	  or have huge holes in the physical address space for other reasons.
2585	  See <file:Documentation/vm/numa.rst> for more.
2586
2587config ARCH_SPARSEMEM_ENABLE
2588	bool
2589	select SPARSEMEM_STATIC
2590
2591config NUMA
2592	bool "NUMA Support"
2593	depends on SYS_SUPPORTS_NUMA
2594	help
2595	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2596	  Access).  This option improves performance on systems with more
2597	  than two nodes; on two node systems it is generally better to
2598	  leave it disabled; on single node systems disable this option
2599	  disabled.
2600
2601config SYS_SUPPORTS_NUMA
2602	bool
2603
2604config RELOCATABLE
2605	bool "Relocatable kernel"
2606	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2607	help
2608	  This builds a kernel image that retains relocation information
2609	  so it can be loaded someplace besides the default 1MB.
2610	  The relocations make the kernel binary about 15% larger,
2611	  but are discarded at runtime
2612
2613config RELOCATION_TABLE_SIZE
2614	hex "Relocation table size"
2615	depends on RELOCATABLE
2616	range 0x0 0x01000000
2617	default "0x00100000"
2618	---help---
2619	  A table of relocation data will be appended to the kernel binary
2620	  and parsed at boot to fix up the relocated kernel.
2621
2622	  This option allows the amount of space reserved for the table to be
2623	  adjusted, although the default of 1Mb should be ok in most cases.
2624
2625	  The build will fail and a valid size suggested if this is too small.
2626
2627	  If unsure, leave at the default value.
2628
2629config RANDOMIZE_BASE
2630	bool "Randomize the address of the kernel image"
2631	depends on RELOCATABLE
2632	---help---
2633	   Randomizes the physical and virtual address at which the
2634	   kernel image is loaded, as a security feature that
2635	   deters exploit attempts relying on knowledge of the location
2636	   of kernel internals.
2637
2638	   Entropy is generated using any coprocessor 0 registers available.
2639
2640	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2641
2642	   If unsure, say N.
2643
2644config RANDOMIZE_BASE_MAX_OFFSET
2645	hex "Maximum kASLR offset" if EXPERT
2646	depends on RANDOMIZE_BASE
2647	range 0x0 0x40000000 if EVA || 64BIT
2648	range 0x0 0x08000000
2649	default "0x01000000"
2650	---help---
2651	  When kASLR is active, this provides the maximum offset that will
2652	  be applied to the kernel image. It should be set according to the
2653	  amount of physical RAM available in the target system minus
2654	  PHYSICAL_START and must be a power of 2.
2655
2656	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2657	  EVA or 64-bit. The default is 16Mb.
2658
2659config NODES_SHIFT
2660	int
2661	default "6"
2662	depends on NEED_MULTIPLE_NODES
2663
2664config HW_PERF_EVENTS
2665	bool "Enable hardware performance counter support for perf events"
2666	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2667	default y
2668	help
2669	  Enable hardware performance counter support for perf events. If
2670	  disabled, perf events will use software events only.
2671
2672config SMP
2673	bool "Multi-Processing support"
2674	depends on SYS_SUPPORTS_SMP
2675	help
2676	  This enables support for systems with more than one CPU. If you have
2677	  a system with only one CPU, say N. If you have a system with more
2678	  than one CPU, say Y.
2679
2680	  If you say N here, the kernel will run on uni- and multiprocessor
2681	  machines, but will use only one CPU of a multiprocessor machine. If
2682	  you say Y here, the kernel will run on many, but not all,
2683	  uniprocessor machines. On a uniprocessor machine, the kernel
2684	  will run faster if you say N here.
2685
2686	  People using multiprocessor machines who say Y here should also say
2687	  Y to "Enhanced Real Time Clock Support", below.
2688
2689	  See also the SMP-HOWTO available at
2690	  <http://www.tldp.org/docs.html#howto>.
2691
2692	  If you don't know what to do here, say N.
2693
2694config HOTPLUG_CPU
2695	bool "Support for hot-pluggable CPUs"
2696	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2697	help
2698	  Say Y here to allow turning CPUs off and on. CPUs can be
2699	  controlled through /sys/devices/system/cpu.
2700	  (Note: power management support will enable this option
2701	    automatically on SMP systems. )
2702	  Say N if you want to disable CPU hotplug.
2703
2704config SMP_UP
2705	bool
2706
2707config SYS_SUPPORTS_MIPS_CMP
2708	bool
2709
2710config SYS_SUPPORTS_MIPS_CPS
2711	bool
2712
2713config SYS_SUPPORTS_SMP
2714	bool
2715
2716config NR_CPUS_DEFAULT_4
2717	bool
2718
2719config NR_CPUS_DEFAULT_8
2720	bool
2721
2722config NR_CPUS_DEFAULT_16
2723	bool
2724
2725config NR_CPUS_DEFAULT_32
2726	bool
2727
2728config NR_CPUS_DEFAULT_64
2729	bool
2730
2731config NR_CPUS
2732	int "Maximum number of CPUs (2-256)"
2733	range 2 256
2734	depends on SMP
2735	default "4" if NR_CPUS_DEFAULT_4
2736	default "8" if NR_CPUS_DEFAULT_8
2737	default "16" if NR_CPUS_DEFAULT_16
2738	default "32" if NR_CPUS_DEFAULT_32
2739	default "64" if NR_CPUS_DEFAULT_64
2740	help
2741	  This allows you to specify the maximum number of CPUs which this
2742	  kernel will support.  The maximum supported value is 32 for 32-bit
2743	  kernel and 64 for 64-bit kernels; the minimum value which makes
2744	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2745	  and 2 for all others.
2746
2747	  This is purely to save memory - each supported CPU adds
2748	  approximately eight kilobytes to the kernel image.  For best
2749	  performance should round up your number of processors to the next
2750	  power of two.
2751
2752config MIPS_PERF_SHARED_TC_COUNTERS
2753	bool
2754
2755config MIPS_NR_CPU_NR_MAP_1024
2756	bool
2757
2758config MIPS_NR_CPU_NR_MAP
2759	int
2760	depends on SMP
2761	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2762	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2763
2764#
2765# Timer Interrupt Frequency Configuration
2766#
2767
2768choice
2769	prompt "Timer frequency"
2770	default HZ_250
2771	help
2772	 Allows the configuration of the timer frequency.
2773
2774	config HZ_24
2775		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2776
2777	config HZ_48
2778		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2779
2780	config HZ_100
2781		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2782
2783	config HZ_128
2784		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2785
2786	config HZ_250
2787		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2788
2789	config HZ_256
2790		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2791
2792	config HZ_1000
2793		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2794
2795	config HZ_1024
2796		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2797
2798endchoice
2799
2800config SYS_SUPPORTS_24HZ
2801	bool
2802
2803config SYS_SUPPORTS_48HZ
2804	bool
2805
2806config SYS_SUPPORTS_100HZ
2807	bool
2808
2809config SYS_SUPPORTS_128HZ
2810	bool
2811
2812config SYS_SUPPORTS_250HZ
2813	bool
2814
2815config SYS_SUPPORTS_256HZ
2816	bool
2817
2818config SYS_SUPPORTS_1000HZ
2819	bool
2820
2821config SYS_SUPPORTS_1024HZ
2822	bool
2823
2824config SYS_SUPPORTS_ARBIT_HZ
2825	bool
2826	default y if !SYS_SUPPORTS_24HZ && \
2827		     !SYS_SUPPORTS_48HZ && \
2828		     !SYS_SUPPORTS_100HZ && \
2829		     !SYS_SUPPORTS_128HZ && \
2830		     !SYS_SUPPORTS_250HZ && \
2831		     !SYS_SUPPORTS_256HZ && \
2832		     !SYS_SUPPORTS_1000HZ && \
2833		     !SYS_SUPPORTS_1024HZ
2834
2835config HZ
2836	int
2837	default 24 if HZ_24
2838	default 48 if HZ_48
2839	default 100 if HZ_100
2840	default 128 if HZ_128
2841	default 250 if HZ_250
2842	default 256 if HZ_256
2843	default 1000 if HZ_1000
2844	default 1024 if HZ_1024
2845
2846config SCHED_HRTICK
2847	def_bool HIGH_RES_TIMERS
2848
2849config KEXEC
2850	bool "Kexec system call"
2851	select KEXEC_CORE
2852	help
2853	  kexec is a system call that implements the ability to shutdown your
2854	  current kernel, and to start another kernel.  It is like a reboot
2855	  but it is independent of the system firmware.   And like a reboot
2856	  you can start any kernel with it, not just Linux.
2857
2858	  The name comes from the similarity to the exec system call.
2859
2860	  It is an ongoing process to be certain the hardware in a machine
2861	  is properly shutdown, so do not be surprised if this code does not
2862	  initially work for you.  As of this writing the exact hardware
2863	  interface is strongly in flux, so no good recommendation can be
2864	  made.
2865
2866config CRASH_DUMP
2867	bool "Kernel crash dumps"
2868	help
2869	  Generate crash dump after being started by kexec.
2870	  This should be normally only set in special crash dump kernels
2871	  which are loaded in the main kernel with kexec-tools into
2872	  a specially reserved region and then later executed after
2873	  a crash by kdump/kexec. The crash dump kernel must be compiled
2874	  to a memory address not used by the main kernel or firmware using
2875	  PHYSICAL_START.
2876
2877config PHYSICAL_START
2878	hex "Physical address where the kernel is loaded"
2879	default "0xffffffff84000000"
2880	depends on CRASH_DUMP
2881	help
2882	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2883	  If you plan to use kernel for capturing the crash dump change
2884	  this value to start of the reserved region (the "X" value as
2885	  specified in the "crashkernel=YM@XM" command line boot parameter
2886	  passed to the panic-ed kernel).
2887
2888config SECCOMP
2889	bool "Enable seccomp to safely compute untrusted bytecode"
2890	depends on PROC_FS
2891	default y
2892	help
2893	  This kernel feature is useful for number crunching applications
2894	  that may need to compute untrusted bytecode during their
2895	  execution. By using pipes or other transports made available to
2896	  the process as file descriptors supporting the read/write
2897	  syscalls, it's possible to isolate those applications in
2898	  their own address space using seccomp. Once seccomp is
2899	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2900	  and the task is only allowed to execute a few safe syscalls
2901	  defined by each seccomp mode.
2902
2903	  If unsure, say Y. Only embedded should say N here.
2904
2905config MIPS_O32_FP64_SUPPORT
2906	bool "Support for O32 binaries using 64-bit FP"
2907	depends on 32BIT || MIPS32_O32
2908	help
2909	  When this is enabled, the kernel will support use of 64-bit floating
2910	  point registers with binaries using the O32 ABI along with the
2911	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2912	  32-bit MIPS systems this support is at the cost of increasing the
2913	  size and complexity of the compiled FPU emulator. Thus if you are
2914	  running a MIPS32 system and know that none of your userland binaries
2915	  will require 64-bit floating point, you may wish to reduce the size
2916	  of your kernel & potentially improve FP emulation performance by
2917	  saying N here.
2918
2919	  Although binutils currently supports use of this flag the details
2920	  concerning its effect upon the O32 ABI in userland are still being
2921	  worked on. In order to avoid userland becoming dependant upon current
2922	  behaviour before the details have been finalised, this option should
2923	  be considered experimental and only enabled by those working upon
2924	  said details.
2925
2926	  If unsure, say N.
2927
2928config USE_OF
2929	bool
2930	select OF
2931	select OF_EARLY_FLATTREE
2932	select IRQ_DOMAIN
2933
2934config UHI_BOOT
2935	bool
2936
2937config BUILTIN_DTB
2938	bool
2939
2940choice
2941	prompt "Kernel appended dtb support" if USE_OF
2942	default MIPS_NO_APPENDED_DTB
2943
2944	config MIPS_NO_APPENDED_DTB
2945		bool "None"
2946		help
2947		  Do not enable appended dtb support.
2948
2949	config MIPS_ELF_APPENDED_DTB
2950		bool "vmlinux"
2951		help
2952		  With this option, the boot code will look for a device tree binary
2953		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2954		  it is empty and the DTB can be appended using binutils command
2955		  objcopy:
2956
2957		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2958
2959		  This is meant as a backward compatiblity convenience for those
2960		  systems with a bootloader that can't be upgraded to accommodate
2961		  the documented boot protocol using a device tree.
2962
2963	config MIPS_RAW_APPENDED_DTB
2964		bool "vmlinux.bin or vmlinuz.bin"
2965		help
2966		  With this option, the boot code will look for a device tree binary
2967		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2968		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2969
2970		  This is meant as a backward compatibility convenience for those
2971		  systems with a bootloader that can't be upgraded to accommodate
2972		  the documented boot protocol using a device tree.
2973
2974		  Beware that there is very little in terms of protection against
2975		  this option being confused by leftover garbage in memory that might
2976		  look like a DTB header after a reboot if no actual DTB is appended
2977		  to vmlinux.bin.  Do not leave this option active in a production kernel
2978		  if you don't intend to always append a DTB.
2979endchoice
2980
2981choice
2982	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2983	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2984					 !MIPS_MALTA && \
2985					 !CAVIUM_OCTEON_SOC
2986	default MIPS_CMDLINE_FROM_BOOTLOADER
2987
2988	config MIPS_CMDLINE_FROM_DTB
2989		depends on USE_OF
2990		bool "Dtb kernel arguments if available"
2991
2992	config MIPS_CMDLINE_DTB_EXTEND
2993		depends on USE_OF
2994		bool "Extend dtb kernel arguments with bootloader arguments"
2995
2996	config MIPS_CMDLINE_FROM_BOOTLOADER
2997		bool "Bootloader kernel arguments if available"
2998
2999	config MIPS_CMDLINE_BUILTIN_EXTEND
3000		depends on CMDLINE_BOOL
3001		bool "Extend builtin kernel arguments with bootloader arguments"
3002endchoice
3003
3004endmenu
3005
3006config LOCKDEP_SUPPORT
3007	bool
3008	default y
3009
3010config STACKTRACE_SUPPORT
3011	bool
3012	default y
3013
3014config HAVE_LATENCYTOP_SUPPORT
3015	bool
3016	default y
3017
3018config PGTABLE_LEVELS
3019	int
3020	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3021	default 3 if 64BIT && !PAGE_SIZE_64KB
3022	default 2
3023
3024config MIPS_AUTO_PFN_OFFSET
3025	bool
3026
3027menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3028
3029config HW_HAS_EISA
3030	bool
3031config HW_HAS_PCI
3032	bool
3033
3034config PCI
3035	bool "Support for PCI controller"
3036	depends on HW_HAS_PCI
3037	select PCI_DOMAINS
3038	help
3039	  Find out whether you have a PCI motherboard. PCI is the name of a
3040	  bus system, i.e. the way the CPU talks to the other stuff inside
3041	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3042	  say Y, otherwise N.
3043
3044config HT_PCI
3045	bool "Support for HT-linked PCI"
3046	default y
3047	depends on CPU_LOONGSON3
3048	select PCI
3049	select PCI_DOMAINS
3050	help
3051	  Loongson family machines use Hyper-Transport bus for inter-core
3052	  connection and device connection. The PCI bus is a subordinate
3053	  linked at HT. Choose Y for Loongson-3 based machines.
3054
3055config PCI_DOMAINS
3056	bool
3057
3058config PCI_DOMAINS_GENERIC
3059	bool
3060
3061config PCI_DRIVERS_GENERIC
3062	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3063	bool
3064
3065config PCI_DRIVERS_LEGACY
3066	def_bool !PCI_DRIVERS_GENERIC
3067	select NO_GENERIC_PCI_IOPORT_MAP
3068
3069source "drivers/pci/Kconfig"
3070
3071#
3072# ISA support is now enabled via select.  Too many systems still have the one
3073# or other ISA chip on the board that users don't know about so don't expect
3074# users to choose the right thing ...
3075#
3076config ISA
3077	bool
3078
3079config EISA
3080	bool "EISA support"
3081	depends on HW_HAS_EISA
3082	select ISA
3083	select GENERIC_ISA_DMA
3084	---help---
3085	  The Extended Industry Standard Architecture (EISA) bus was
3086	  developed as an open alternative to the IBM MicroChannel bus.
3087
3088	  The EISA bus provided some of the features of the IBM MicroChannel
3089	  bus while maintaining backward compatibility with cards made for
3090	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3091	  1995 when it was made obsolete by the PCI bus.
3092
3093	  Say Y here if you are building a kernel for an EISA-based machine.
3094
3095	  Otherwise, say N.
3096
3097source "drivers/eisa/Kconfig"
3098
3099config TC
3100	bool "TURBOchannel support"
3101	depends on MACH_DECSTATION
3102	help
3103	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3104	  processors.  TURBOchannel programming specifications are available
3105	  at:
3106	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3107	  and:
3108	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3109	  Linux driver support status is documented at:
3110	  <http://www.linux-mips.org/wiki/DECstation>
3111
3112config MMU
3113	bool
3114	default y
3115
3116config ARCH_MMAP_RND_BITS_MIN
3117	default 12 if 64BIT
3118	default 8
3119
3120config ARCH_MMAP_RND_BITS_MAX
3121	default 18 if 64BIT
3122	default 15
3123
3124config ARCH_MMAP_RND_COMPAT_BITS_MIN
3125       default 8
3126
3127config ARCH_MMAP_RND_COMPAT_BITS_MAX
3128       default 15
3129
3130config I8253
3131	bool
3132	select CLKSRC_I8253
3133	select CLKEVT_I8253
3134	select MIPS_EXTERNAL_TIMER
3135
3136config ZONE_DMA
3137	bool
3138
3139config ZONE_DMA32
3140	bool
3141
3142source "drivers/pcmcia/Kconfig"
3143
3144config HAS_RAPIDIO
3145	bool
3146	default n
3147
3148config RAPIDIO
3149	tristate "RapidIO support"
3150	depends on HAS_RAPIDIO || PCI
3151	help
3152	  If you say Y here, the kernel will include drivers and
3153	  infrastructure code to support RapidIO interconnect devices.
3154
3155source "drivers/rapidio/Kconfig"
3156
3157endmenu
3158
3159config TRAD_SIGNALS
3160	bool
3161
3162config MIPS32_COMPAT
3163	bool
3164
3165config COMPAT
3166	bool
3167
3168config SYSVIPC_COMPAT
3169	bool
3170
3171config MIPS32_O32
3172	bool "Kernel support for o32 binaries"
3173	depends on 64BIT
3174	select ARCH_WANT_OLD_COMPAT_IPC
3175	select COMPAT
3176	select MIPS32_COMPAT
3177	select SYSVIPC_COMPAT if SYSVIPC
3178	help
3179	  Select this option if you want to run o32 binaries.  These are pure
3180	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3181	  existing binaries are in this format.
3182
3183	  If unsure, say Y.
3184
3185config MIPS32_N32
3186	bool "Kernel support for n32 binaries"
3187	depends on 64BIT
3188	select COMPAT
3189	select MIPS32_COMPAT
3190	select SYSVIPC_COMPAT if SYSVIPC
3191	help
3192	  Select this option if you want to run n32 binaries.  These are
3193	  64-bit binaries using 32-bit quantities for addressing and certain
3194	  data that would normally be 64-bit.  They are used in special
3195	  cases.
3196
3197	  If unsure, say N.
3198
3199config BINFMT_ELF32
3200	bool
3201	default y if MIPS32_O32 || MIPS32_N32
3202	select ELFCORE
3203
3204menu "Power management options"
3205
3206config ARCH_HIBERNATION_POSSIBLE
3207	def_bool y
3208	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3209
3210config ARCH_SUSPEND_POSSIBLE
3211	def_bool y
3212	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3213
3214source "kernel/power/Kconfig"
3215
3216endmenu
3217
3218config MIPS_EXTERNAL_TIMER
3219	bool
3220
3221menu "CPU Power Management"
3222
3223if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3224source "drivers/cpufreq/Kconfig"
3225endif
3226
3227source "drivers/cpuidle/Kconfig"
3228
3229endmenu
3230
3231source "drivers/firmware/Kconfig"
3232
3233source "arch/mips/kvm/Kconfig"
3234