xref: /linux/arch/mips/Kconfig (revision bef4d2037d2143a4df6430bbe1e970fc7e616f6c)
1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_32BIT_OFF_T if !64BIT
6	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7	select ARCH_CLOCKSOURCE_DATA
8	select ARCH_HAS_ELF_RANDOMIZE
9	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
10	select ARCH_HAS_UBSAN_SANITIZE_ALL
11	select ARCH_SUPPORTS_UPROBES
12	select ARCH_USE_BUILTIN_BSWAP
13	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
14	select ARCH_USE_QUEUED_RWLOCKS
15	select ARCH_USE_QUEUED_SPINLOCKS
16	select ARCH_WANT_IPC_PARSE_VERSION
17	select BUILDTIME_EXTABLE_SORT
18	select CLONE_BACKWARDS
19	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
20	select CPU_PM if CPU_IDLE
21	select GENERIC_ATOMIC64 if !64BIT
22	select GENERIC_CLOCKEVENTS
23	select GENERIC_CMOS_UPDATE
24	select GENERIC_CPU_AUTOPROBE
25	select GENERIC_IOMAP
26	select GENERIC_IRQ_PROBE
27	select GENERIC_IRQ_SHOW
28	select GENERIC_ISA_DMA if EISA
29	select GENERIC_LIB_ASHLDI3
30	select GENERIC_LIB_ASHRDI3
31	select GENERIC_LIB_CMPDI2
32	select GENERIC_LIB_LSHRDI3
33	select GENERIC_LIB_UCMPDI2
34	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
35	select GENERIC_SMP_IDLE_THREAD
36	select GENERIC_TIME_VSYSCALL
37	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
38	select HANDLE_DOMAIN_IRQ
39	select HAVE_ARCH_COMPILER_H
40	select HAVE_ARCH_JUMP_LABEL
41	select HAVE_ARCH_KGDB
42	select HAVE_ARCH_MMAP_RND_BITS if MMU
43	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
44	select HAVE_ARCH_SECCOMP_FILTER
45	select HAVE_ARCH_TRACEHOOK
46	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
47	select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
48	select HAVE_CONTEXT_TRACKING
49	select HAVE_COPY_THREAD_TLS
50	select HAVE_C_RECORDMCOUNT
51	select HAVE_DEBUG_KMEMLEAK
52	select HAVE_DEBUG_STACKOVERFLOW
53	select HAVE_DMA_CONTIGUOUS
54	select HAVE_DYNAMIC_FTRACE
55	select HAVE_EXIT_THREAD
56	select HAVE_FAST_GUP
57	select HAVE_FTRACE_MCOUNT_RECORD
58	select HAVE_FUNCTION_GRAPH_TRACER
59	select HAVE_FUNCTION_TRACER
60	select HAVE_IDE
61	select HAVE_IOREMAP_PROT
62	select HAVE_IRQ_EXIT_ON_IRQ_STACK
63	select HAVE_IRQ_TIME_ACCOUNTING
64	select HAVE_KPROBES
65	select HAVE_KRETPROBES
66	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
67	select HAVE_MEMBLOCK_NODE_MAP
68	select HAVE_MOD_ARCH_SPECIFIC
69	select HAVE_NMI
70	select HAVE_OPROFILE
71	select HAVE_PERF_EVENTS
72	select HAVE_REGS_AND_STACK_ACCESS_API
73	select HAVE_RSEQ
74	select HAVE_STACKPROTECTOR
75	select HAVE_SYSCALL_TRACEPOINTS
76	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
77	select IRQ_FORCED_THREADING
78	select ISA if EISA
79	select MODULES_USE_ELF_RELA if MODULES && 64BIT
80	select MODULES_USE_ELF_REL if MODULES
81	select PERF_USE_VMALLOC
82	select RTC_LIB
83	select SYSCTL_EXCEPTION_TRACE
84	select VIRT_TO_BUS
85
86menu "Machine selection"
87
88choice
89	prompt "System type"
90	default MIPS_GENERIC
91
92config MIPS_GENERIC
93	bool "Generic board-agnostic MIPS kernel"
94	select BOOT_RAW
95	select BUILTIN_DTB
96	select CEVT_R4K
97	select CLKSRC_MIPS_GIC
98	select COMMON_CLK
99	select CPU_MIPSR2_IRQ_VI
100	select CPU_MIPSR2_IRQ_EI
101	select CSRC_R4K
102	select DMA_PERDEV_COHERENT
103	select HAVE_PCI
104	select IRQ_MIPS_CPU
105	select LIBFDT
106	select MIPS_AUTO_PFN_OFFSET
107	select MIPS_CPU_SCACHE
108	select MIPS_GIC
109	select MIPS_L1_CACHE_SHIFT_7
110	select NO_EXCEPT_FILL
111	select PCI_DRIVERS_GENERIC
112	select PINCTRL
113	select SMP_UP if SMP
114	select SWAP_IO_SPACE
115	select SYS_HAS_CPU_MIPS32_R1
116	select SYS_HAS_CPU_MIPS32_R2
117	select SYS_HAS_CPU_MIPS32_R6
118	select SYS_HAS_CPU_MIPS64_R1
119	select SYS_HAS_CPU_MIPS64_R2
120	select SYS_HAS_CPU_MIPS64_R6
121	select SYS_SUPPORTS_32BIT_KERNEL
122	select SYS_SUPPORTS_64BIT_KERNEL
123	select SYS_SUPPORTS_BIG_ENDIAN
124	select SYS_SUPPORTS_HIGHMEM
125	select SYS_SUPPORTS_LITTLE_ENDIAN
126	select SYS_SUPPORTS_MICROMIPS
127	select SYS_SUPPORTS_MIPS_CPS
128	select SYS_SUPPORTS_MIPS16
129	select SYS_SUPPORTS_MULTITHREADING
130	select SYS_SUPPORTS_RELOCATABLE
131	select SYS_SUPPORTS_SMARTMIPS
132	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
133	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
134	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
135	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
136	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
137	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
138	select USE_OF
139	select UHI_BOOT
140	help
141	  Select this to build a kernel which aims to support multiple boards,
142	  generally using a flattened device tree passed from the bootloader
143	  using the boot protocol defined in the UHI (Unified Hosting
144	  Interface) specification.
145
146config MIPS_ALCHEMY
147	bool "Alchemy processor based machines"
148	select PHYS_ADDR_T_64BIT
149	select CEVT_R4K
150	select CSRC_R4K
151	select IRQ_MIPS_CPU
152	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
153	select SYS_HAS_CPU_MIPS32_R1
154	select SYS_SUPPORTS_32BIT_KERNEL
155	select SYS_SUPPORTS_APM_EMULATION
156	select GPIOLIB
157	select SYS_SUPPORTS_ZBOOT
158	select COMMON_CLK
159
160config AR7
161	bool "Texas Instruments AR7"
162	select BOOT_ELF32
163	select DMA_NONCOHERENT
164	select CEVT_R4K
165	select CSRC_R4K
166	select IRQ_MIPS_CPU
167	select NO_EXCEPT_FILL
168	select SWAP_IO_SPACE
169	select SYS_HAS_CPU_MIPS32_R1
170	select SYS_HAS_EARLY_PRINTK
171	select SYS_SUPPORTS_32BIT_KERNEL
172	select SYS_SUPPORTS_LITTLE_ENDIAN
173	select SYS_SUPPORTS_MIPS16
174	select SYS_SUPPORTS_ZBOOT_UART16550
175	select GPIOLIB
176	select VLYNQ
177	select HAVE_CLK
178	help
179	  Support for the Texas Instruments AR7 System-on-a-Chip
180	  family: TNETD7100, 7200 and 7300.
181
182config ATH25
183	bool "Atheros AR231x/AR531x SoC support"
184	select CEVT_R4K
185	select CSRC_R4K
186	select DMA_NONCOHERENT
187	select IRQ_MIPS_CPU
188	select IRQ_DOMAIN
189	select SYS_HAS_CPU_MIPS32_R1
190	select SYS_SUPPORTS_BIG_ENDIAN
191	select SYS_SUPPORTS_32BIT_KERNEL
192	select SYS_HAS_EARLY_PRINTK
193	help
194	  Support for Atheros AR231x and Atheros AR531x based boards
195
196config ATH79
197	bool "Atheros AR71XX/AR724X/AR913X based boards"
198	select ARCH_HAS_RESET_CONTROLLER
199	select BOOT_RAW
200	select CEVT_R4K
201	select CSRC_R4K
202	select DMA_NONCOHERENT
203	select GPIOLIB
204	select PINCTRL
205	select HAVE_CLK
206	select COMMON_CLK
207	select CLKDEV_LOOKUP
208	select IRQ_MIPS_CPU
209	select SYS_HAS_CPU_MIPS32_R2
210	select SYS_HAS_EARLY_PRINTK
211	select SYS_SUPPORTS_32BIT_KERNEL
212	select SYS_SUPPORTS_BIG_ENDIAN
213	select SYS_SUPPORTS_MIPS16
214	select SYS_SUPPORTS_ZBOOT_UART_PROM
215	select USE_OF
216	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
217	help
218	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
219
220config BMIPS_GENERIC
221	bool "Broadcom Generic BMIPS kernel"
222	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
223	select ARCH_HAS_PHYS_TO_DMA
224	select BOOT_RAW
225	select NO_EXCEPT_FILL
226	select USE_OF
227	select CEVT_R4K
228	select CSRC_R4K
229	select SYNC_R4K
230	select COMMON_CLK
231	select BCM6345_L1_IRQ
232	select BCM7038_L1_IRQ
233	select BCM7120_L2_IRQ
234	select BRCMSTB_L2_IRQ
235	select IRQ_MIPS_CPU
236	select DMA_NONCOHERENT
237	select SYS_SUPPORTS_32BIT_KERNEL
238	select SYS_SUPPORTS_LITTLE_ENDIAN
239	select SYS_SUPPORTS_BIG_ENDIAN
240	select SYS_SUPPORTS_HIGHMEM
241	select SYS_HAS_CPU_BMIPS32_3300
242	select SYS_HAS_CPU_BMIPS4350
243	select SYS_HAS_CPU_BMIPS4380
244	select SYS_HAS_CPU_BMIPS5000
245	select SWAP_IO_SPACE
246	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
247	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
248	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
249	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
250	select HARDIRQS_SW_RESEND
251	help
252	  Build a generic DT-based kernel image that boots on select
253	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
254	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
255	  must be set appropriately for your board.
256
257config BCM47XX
258	bool "Broadcom BCM47XX based boards"
259	select BOOT_RAW
260	select CEVT_R4K
261	select CSRC_R4K
262	select DMA_NONCOHERENT
263	select HAVE_PCI
264	select IRQ_MIPS_CPU
265	select SYS_HAS_CPU_MIPS32_R1
266	select NO_EXCEPT_FILL
267	select SYS_SUPPORTS_32BIT_KERNEL
268	select SYS_SUPPORTS_LITTLE_ENDIAN
269	select SYS_SUPPORTS_MIPS16
270	select SYS_SUPPORTS_ZBOOT
271	select SYS_HAS_EARLY_PRINTK
272	select USE_GENERIC_EARLY_PRINTK_8250
273	select GPIOLIB
274	select LEDS_GPIO_REGISTER
275	select BCM47XX_NVRAM
276	select BCM47XX_SPROM
277	select BCM47XX_SSB if !BCM47XX_BCMA
278	help
279	  Support for BCM47XX based boards
280
281config BCM63XX
282	bool "Broadcom BCM63XX based boards"
283	select BOOT_RAW
284	select CEVT_R4K
285	select CSRC_R4K
286	select SYNC_R4K
287	select DMA_NONCOHERENT
288	select IRQ_MIPS_CPU
289	select SYS_SUPPORTS_32BIT_KERNEL
290	select SYS_SUPPORTS_BIG_ENDIAN
291	select SYS_HAS_EARLY_PRINTK
292	select SWAP_IO_SPACE
293	select GPIOLIB
294	select HAVE_CLK
295	select MIPS_L1_CACHE_SHIFT_4
296	select CLKDEV_LOOKUP
297	help
298	  Support for BCM63XX based boards
299
300config MIPS_COBALT
301	bool "Cobalt Server"
302	select CEVT_R4K
303	select CSRC_R4K
304	select CEVT_GT641XX
305	select DMA_NONCOHERENT
306	select FORCE_PCI
307	select I8253
308	select I8259
309	select IRQ_MIPS_CPU
310	select IRQ_GT641XX
311	select PCI_GT64XXX_PCI0
312	select SYS_HAS_CPU_NEVADA
313	select SYS_HAS_EARLY_PRINTK
314	select SYS_SUPPORTS_32BIT_KERNEL
315	select SYS_SUPPORTS_64BIT_KERNEL
316	select SYS_SUPPORTS_LITTLE_ENDIAN
317	select USE_GENERIC_EARLY_PRINTK_8250
318
319config MACH_DECSTATION
320	bool "DECstations"
321	select BOOT_ELF32
322	select CEVT_DS1287
323	select CEVT_R4K if CPU_R4X00
324	select CSRC_IOASIC
325	select CSRC_R4K if CPU_R4X00
326	select CPU_DADDI_WORKAROUNDS if 64BIT
327	select CPU_R4000_WORKAROUNDS if 64BIT
328	select CPU_R4400_WORKAROUNDS if 64BIT
329	select DMA_NONCOHERENT
330	select NO_IOPORT_MAP
331	select IRQ_MIPS_CPU
332	select SYS_HAS_CPU_R3000
333	select SYS_HAS_CPU_R4X00
334	select SYS_SUPPORTS_32BIT_KERNEL
335	select SYS_SUPPORTS_64BIT_KERNEL
336	select SYS_SUPPORTS_LITTLE_ENDIAN
337	select SYS_SUPPORTS_128HZ
338	select SYS_SUPPORTS_256HZ
339	select SYS_SUPPORTS_1024HZ
340	select MIPS_L1_CACHE_SHIFT_4
341	help
342	  This enables support for DEC's MIPS based workstations.  For details
343	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
344	  DECstation porting pages on <http://decstation.unix-ag.org/>.
345
346	  If you have one of the following DECstation Models you definitely
347	  want to choose R4xx0 for the CPU Type:
348
349		DECstation 5000/50
350		DECstation 5000/150
351		DECstation 5000/260
352		DECsystem 5900/260
353
354	  otherwise choose R3000.
355
356config MACH_JAZZ
357	bool "Jazz family of machines"
358	select ARCH_MIGHT_HAVE_PC_PARPORT
359	select ARCH_MIGHT_HAVE_PC_SERIO
360	select FW_ARC
361	select FW_ARC32
362	select ARCH_MAY_HAVE_PC_FDC
363	select CEVT_R4K
364	select CSRC_R4K
365	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
366	select GENERIC_ISA_DMA
367	select HAVE_PCSPKR_PLATFORM
368	select IRQ_MIPS_CPU
369	select I8253
370	select I8259
371	select ISA
372	select SYS_HAS_CPU_R4X00
373	select SYS_SUPPORTS_32BIT_KERNEL
374	select SYS_SUPPORTS_64BIT_KERNEL
375	select SYS_SUPPORTS_100HZ
376	help
377	  This a family of machines based on the MIPS R4030 chipset which was
378	  used by several vendors to build RISC/os and Windows NT workstations.
379	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
380	  Olivetti M700-10 workstations.
381
382config MACH_INGENIC
383	bool "Ingenic SoC based machines"
384	select SYS_SUPPORTS_32BIT_KERNEL
385	select SYS_SUPPORTS_LITTLE_ENDIAN
386	select SYS_SUPPORTS_ZBOOT_UART16550
387	select DMA_NONCOHERENT
388	select IRQ_MIPS_CPU
389	select PINCTRL
390	select GPIOLIB
391	select COMMON_CLK
392	select GENERIC_IRQ_CHIP
393	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
394	select USE_OF
395	select LIBFDT
396
397config LANTIQ
398	bool "Lantiq based platforms"
399	select DMA_NONCOHERENT
400	select IRQ_MIPS_CPU
401	select CEVT_R4K
402	select CSRC_R4K
403	select SYS_HAS_CPU_MIPS32_R1
404	select SYS_HAS_CPU_MIPS32_R2
405	select SYS_SUPPORTS_BIG_ENDIAN
406	select SYS_SUPPORTS_32BIT_KERNEL
407	select SYS_SUPPORTS_MIPS16
408	select SYS_SUPPORTS_MULTITHREADING
409	select SYS_SUPPORTS_VPE_LOADER
410	select SYS_HAS_EARLY_PRINTK
411	select GPIOLIB
412	select SWAP_IO_SPACE
413	select BOOT_RAW
414	select CLKDEV_LOOKUP
415	select USE_OF
416	select PINCTRL
417	select PINCTRL_LANTIQ
418	select ARCH_HAS_RESET_CONTROLLER
419	select RESET_CONTROLLER
420
421config LASAT
422	bool "LASAT Networks platforms"
423	select CEVT_R4K
424	select CRC32
425	select CSRC_R4K
426	select DMA_NONCOHERENT
427	select SYS_HAS_EARLY_PRINTK
428	select HAVE_PCI
429	select IRQ_MIPS_CPU
430	select PCI_GT64XXX_PCI0
431	select MIPS_NILE4
432	select R5000_CPU_SCACHE
433	select SYS_HAS_CPU_R5000
434	select SYS_SUPPORTS_32BIT_KERNEL
435	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
436	select SYS_SUPPORTS_LITTLE_ENDIAN
437
438config MACH_LOONGSON32
439	bool "Loongson-1 family of machines"
440	select SYS_SUPPORTS_ZBOOT
441	help
442	  This enables support for the Loongson-1 family of machines.
443
444	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
445	  the Institute of Computing Technology (ICT), Chinese Academy of
446	  Sciences (CAS).
447
448config MACH_LOONGSON64
449	bool "Loongson-2/3 family of machines"
450	select SYS_SUPPORTS_ZBOOT
451	help
452	  This enables the support of Loongson-2/3 family of machines.
453
454	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
455	  family of multi-core CPUs. They are both 64-bit general-purpose
456	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
457	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
458	  in the People's Republic of China. The chief architect is Professor
459	  Weiwu Hu.
460
461config MACH_PISTACHIO
462	bool "IMG Pistachio SoC based boards"
463	select BOOT_ELF32
464	select BOOT_RAW
465	select CEVT_R4K
466	select CLKSRC_MIPS_GIC
467	select COMMON_CLK
468	select CSRC_R4K
469	select DMA_NONCOHERENT
470	select GPIOLIB
471	select IRQ_MIPS_CPU
472	select LIBFDT
473	select MFD_SYSCON
474	select MIPS_CPU_SCACHE
475	select MIPS_GIC
476	select PINCTRL
477	select REGULATOR
478	select SYS_HAS_CPU_MIPS32_R2
479	select SYS_SUPPORTS_32BIT_KERNEL
480	select SYS_SUPPORTS_LITTLE_ENDIAN
481	select SYS_SUPPORTS_MIPS_CPS
482	select SYS_SUPPORTS_MULTITHREADING
483	select SYS_SUPPORTS_RELOCATABLE
484	select SYS_SUPPORTS_ZBOOT
485	select SYS_HAS_EARLY_PRINTK
486	select USE_GENERIC_EARLY_PRINTK_8250
487	select USE_OF
488	help
489	  This enables support for the IMG Pistachio SoC platform.
490
491config MIPS_MALTA
492	bool "MIPS Malta board"
493	select ARCH_MAY_HAVE_PC_FDC
494	select ARCH_MIGHT_HAVE_PC_PARPORT
495	select ARCH_MIGHT_HAVE_PC_SERIO
496	select BOOT_ELF32
497	select BOOT_RAW
498	select BUILTIN_DTB
499	select CEVT_R4K
500	select CLKSRC_MIPS_GIC
501	select COMMON_CLK
502	select CSRC_R4K
503	select DMA_MAYBE_COHERENT
504	select GENERIC_ISA_DMA
505	select HAVE_PCSPKR_PLATFORM
506	select HAVE_PCI
507	select I8253
508	select I8259
509	select IRQ_MIPS_CPU
510	select LIBFDT
511	select MIPS_BONITO64
512	select MIPS_CPU_SCACHE
513	select MIPS_GIC
514	select MIPS_L1_CACHE_SHIFT_6
515	select MIPS_MSC
516	select PCI_GT64XXX_PCI0
517	select SMP_UP if SMP
518	select SWAP_IO_SPACE
519	select SYS_HAS_CPU_MIPS32_R1
520	select SYS_HAS_CPU_MIPS32_R2
521	select SYS_HAS_CPU_MIPS32_R3_5
522	select SYS_HAS_CPU_MIPS32_R5
523	select SYS_HAS_CPU_MIPS32_R6
524	select SYS_HAS_CPU_MIPS64_R1
525	select SYS_HAS_CPU_MIPS64_R2
526	select SYS_HAS_CPU_MIPS64_R6
527	select SYS_HAS_CPU_NEVADA
528	select SYS_HAS_CPU_RM7000
529	select SYS_SUPPORTS_32BIT_KERNEL
530	select SYS_SUPPORTS_64BIT_KERNEL
531	select SYS_SUPPORTS_BIG_ENDIAN
532	select SYS_SUPPORTS_HIGHMEM
533	select SYS_SUPPORTS_LITTLE_ENDIAN
534	select SYS_SUPPORTS_MICROMIPS
535	select SYS_SUPPORTS_MIPS16
536	select SYS_SUPPORTS_MIPS_CMP
537	select SYS_SUPPORTS_MIPS_CPS
538	select SYS_SUPPORTS_MULTITHREADING
539	select SYS_SUPPORTS_RELOCATABLE
540	select SYS_SUPPORTS_SMARTMIPS
541	select SYS_SUPPORTS_VPE_LOADER
542	select SYS_SUPPORTS_ZBOOT
543	select USE_OF
544	select ZONE_DMA32 if 64BIT
545	help
546	  This enables support for the MIPS Technologies Malta evaluation
547	  board.
548
549config MACH_PIC32
550	bool "Microchip PIC32 Family"
551	help
552	  This enables support for the Microchip PIC32 family of platforms.
553
554	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
555	  microcontrollers.
556
557config NEC_MARKEINS
558	bool "NEC EMMA2RH Mark-eins board"
559	select SOC_EMMA2RH
560	select HAVE_PCI
561	help
562	  This enables support for the NEC Electronics Mark-eins boards.
563
564config MACH_VR41XX
565	bool "NEC VR4100 series based machines"
566	select CEVT_R4K
567	select CSRC_R4K
568	select SYS_HAS_CPU_VR41XX
569	select SYS_SUPPORTS_MIPS16
570	select GPIOLIB
571
572config NXP_STB220
573	bool "NXP STB220 board"
574	select SOC_PNX833X
575	help
576	  Support for NXP Semiconductors STB220 Development Board.
577
578config NXP_STB225
579	bool "NXP 225 board"
580	select SOC_PNX833X
581	select SOC_PNX8335
582	help
583	  Support for NXP Semiconductors STB225 Development Board.
584
585config PMC_MSP
586	bool "PMC-Sierra MSP chipsets"
587	select CEVT_R4K
588	select CSRC_R4K
589	select DMA_NONCOHERENT
590	select SWAP_IO_SPACE
591	select NO_EXCEPT_FILL
592	select BOOT_RAW
593	select SYS_HAS_CPU_MIPS32_R1
594	select SYS_HAS_CPU_MIPS32_R2
595	select SYS_SUPPORTS_32BIT_KERNEL
596	select SYS_SUPPORTS_BIG_ENDIAN
597	select SYS_SUPPORTS_MIPS16
598	select IRQ_MIPS_CPU
599	select SERIAL_8250
600	select SERIAL_8250_CONSOLE
601	select USB_EHCI_BIG_ENDIAN_MMIO
602	select USB_EHCI_BIG_ENDIAN_DESC
603	help
604	  This adds support for the PMC-Sierra family of Multi-Service
605	  Processor System-On-A-Chips.  These parts include a number
606	  of integrated peripherals, interfaces and DSPs in addition to
607	  a variety of MIPS cores.
608
609config RALINK
610	bool "Ralink based machines"
611	select CEVT_R4K
612	select CSRC_R4K
613	select BOOT_RAW
614	select DMA_NONCOHERENT
615	select IRQ_MIPS_CPU
616	select USE_OF
617	select SYS_HAS_CPU_MIPS32_R1
618	select SYS_HAS_CPU_MIPS32_R2
619	select SYS_SUPPORTS_32BIT_KERNEL
620	select SYS_SUPPORTS_LITTLE_ENDIAN
621	select SYS_SUPPORTS_MIPS16
622	select SYS_HAS_EARLY_PRINTK
623	select CLKDEV_LOOKUP
624	select ARCH_HAS_RESET_CONTROLLER
625	select RESET_CONTROLLER
626
627config SGI_IP22
628	bool "SGI IP22 (Indy/Indigo2)"
629	select FW_ARC
630	select FW_ARC32
631	select ARCH_MIGHT_HAVE_PC_SERIO
632	select BOOT_ELF32
633	select CEVT_R4K
634	select CSRC_R4K
635	select DEFAULT_SGI_PARTITION
636	select DMA_NONCOHERENT
637	select HAVE_EISA
638	select I8253
639	select I8259
640	select IP22_CPU_SCACHE
641	select IRQ_MIPS_CPU
642	select GENERIC_ISA_DMA_SUPPORT_BROKEN
643	select SGI_HAS_I8042
644	select SGI_HAS_INDYDOG
645	select SGI_HAS_HAL2
646	select SGI_HAS_SEEQ
647	select SGI_HAS_WD93
648	select SGI_HAS_ZILOG
649	select SWAP_IO_SPACE
650	select SYS_HAS_CPU_R4X00
651	select SYS_HAS_CPU_R5000
652	#
653	# Disable EARLY_PRINTK for now since it leads to overwritten prom
654	# memory during early boot on some machines.
655	#
656	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
657	# for a more details discussion
658	#
659	# select SYS_HAS_EARLY_PRINTK
660	select SYS_SUPPORTS_32BIT_KERNEL
661	select SYS_SUPPORTS_64BIT_KERNEL
662	select SYS_SUPPORTS_BIG_ENDIAN
663	select MIPS_L1_CACHE_SHIFT_7
664	help
665	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
666	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
667	  that runs on these, say Y here.
668
669config SGI_IP27
670	bool "SGI IP27 (Origin200/2000)"
671	select ARCH_HAS_PHYS_TO_DMA
672	select FW_ARC
673	select FW_ARC64
674	select BOOT_ELF64
675	select DEFAULT_SGI_PARTITION
676	select SYS_HAS_EARLY_PRINTK
677	select HAVE_PCI
678	select IRQ_MIPS_CPU
679	select IRQ_DOMAIN_HIERARCHY
680	select NR_CPUS_DEFAULT_64
681	select PCI_DRIVERS_GENERIC
682	select PCI_XTALK_BRIDGE
683	select SYS_HAS_CPU_R10000
684	select SYS_SUPPORTS_64BIT_KERNEL
685	select SYS_SUPPORTS_BIG_ENDIAN
686	select SYS_SUPPORTS_NUMA
687	select SYS_SUPPORTS_SMP
688	select MIPS_L1_CACHE_SHIFT_7
689	help
690	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
691	  workstations.  To compile a Linux kernel that runs on these, say Y
692	  here.
693
694config SGI_IP28
695	bool "SGI IP28 (Indigo2 R10k)"
696	select FW_ARC
697	select FW_ARC64
698	select ARCH_MIGHT_HAVE_PC_SERIO
699	select BOOT_ELF64
700	select CEVT_R4K
701	select CSRC_R4K
702	select DEFAULT_SGI_PARTITION
703	select DMA_NONCOHERENT
704	select GENERIC_ISA_DMA_SUPPORT_BROKEN
705	select IRQ_MIPS_CPU
706	select HAVE_EISA
707	select I8253
708	select I8259
709	select SGI_HAS_I8042
710	select SGI_HAS_INDYDOG
711	select SGI_HAS_HAL2
712	select SGI_HAS_SEEQ
713	select SGI_HAS_WD93
714	select SGI_HAS_ZILOG
715	select SWAP_IO_SPACE
716	select SYS_HAS_CPU_R10000
717	#
718	# Disable EARLY_PRINTK for now since it leads to overwritten prom
719	# memory during early boot on some machines.
720	#
721	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
722	# for a more details discussion
723	#
724	# select SYS_HAS_EARLY_PRINTK
725	select SYS_SUPPORTS_64BIT_KERNEL
726	select SYS_SUPPORTS_BIG_ENDIAN
727	select MIPS_L1_CACHE_SHIFT_7
728	help
729	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
730	  kernel that runs on these, say Y here.
731
732config SGI_IP32
733	bool "SGI IP32 (O2)"
734	select ARCH_HAS_PHYS_TO_DMA
735	select FW_ARC
736	select FW_ARC32
737	select BOOT_ELF32
738	select CEVT_R4K
739	select CSRC_R4K
740	select DMA_NONCOHERENT
741	select HAVE_PCI
742	select IRQ_MIPS_CPU
743	select R5000_CPU_SCACHE
744	select RM7000_CPU_SCACHE
745	select SYS_HAS_CPU_R5000
746	select SYS_HAS_CPU_R10000 if BROKEN
747	select SYS_HAS_CPU_RM7000
748	select SYS_HAS_CPU_NEVADA
749	select SYS_SUPPORTS_64BIT_KERNEL
750	select SYS_SUPPORTS_BIG_ENDIAN
751	help
752	  If you want this kernel to run on SGI O2 workstation, say Y here.
753
754config SIBYTE_CRHINE
755	bool "Sibyte BCM91120C-CRhine"
756	select BOOT_ELF32
757	select SIBYTE_BCM1120
758	select SWAP_IO_SPACE
759	select SYS_HAS_CPU_SB1
760	select SYS_SUPPORTS_BIG_ENDIAN
761	select SYS_SUPPORTS_LITTLE_ENDIAN
762
763config SIBYTE_CARMEL
764	bool "Sibyte BCM91120x-Carmel"
765	select BOOT_ELF32
766	select SIBYTE_BCM1120
767	select SWAP_IO_SPACE
768	select SYS_HAS_CPU_SB1
769	select SYS_SUPPORTS_BIG_ENDIAN
770	select SYS_SUPPORTS_LITTLE_ENDIAN
771
772config SIBYTE_CRHONE
773	bool "Sibyte BCM91125C-CRhone"
774	select BOOT_ELF32
775	select SIBYTE_BCM1125
776	select SWAP_IO_SPACE
777	select SYS_HAS_CPU_SB1
778	select SYS_SUPPORTS_BIG_ENDIAN
779	select SYS_SUPPORTS_HIGHMEM
780	select SYS_SUPPORTS_LITTLE_ENDIAN
781
782config SIBYTE_RHONE
783	bool "Sibyte BCM91125E-Rhone"
784	select BOOT_ELF32
785	select SIBYTE_BCM1125H
786	select SWAP_IO_SPACE
787	select SYS_HAS_CPU_SB1
788	select SYS_SUPPORTS_BIG_ENDIAN
789	select SYS_SUPPORTS_LITTLE_ENDIAN
790
791config SIBYTE_SWARM
792	bool "Sibyte BCM91250A-SWARM"
793	select BOOT_ELF32
794	select HAVE_PATA_PLATFORM
795	select SIBYTE_SB1250
796	select SWAP_IO_SPACE
797	select SYS_HAS_CPU_SB1
798	select SYS_SUPPORTS_BIG_ENDIAN
799	select SYS_SUPPORTS_HIGHMEM
800	select SYS_SUPPORTS_LITTLE_ENDIAN
801	select ZONE_DMA32 if 64BIT
802	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
803
804config SIBYTE_LITTLESUR
805	bool "Sibyte BCM91250C2-LittleSur"
806	select BOOT_ELF32
807	select HAVE_PATA_PLATFORM
808	select SIBYTE_SB1250
809	select SWAP_IO_SPACE
810	select SYS_HAS_CPU_SB1
811	select SYS_SUPPORTS_BIG_ENDIAN
812	select SYS_SUPPORTS_HIGHMEM
813	select SYS_SUPPORTS_LITTLE_ENDIAN
814	select ZONE_DMA32 if 64BIT
815
816config SIBYTE_SENTOSA
817	bool "Sibyte BCM91250E-Sentosa"
818	select BOOT_ELF32
819	select SIBYTE_SB1250
820	select SWAP_IO_SPACE
821	select SYS_HAS_CPU_SB1
822	select SYS_SUPPORTS_BIG_ENDIAN
823	select SYS_SUPPORTS_LITTLE_ENDIAN
824	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
825
826config SIBYTE_BIGSUR
827	bool "Sibyte BCM91480B-BigSur"
828	select BOOT_ELF32
829	select NR_CPUS_DEFAULT_4
830	select SIBYTE_BCM1x80
831	select SWAP_IO_SPACE
832	select SYS_HAS_CPU_SB1
833	select SYS_SUPPORTS_BIG_ENDIAN
834	select SYS_SUPPORTS_HIGHMEM
835	select SYS_SUPPORTS_LITTLE_ENDIAN
836	select ZONE_DMA32 if 64BIT
837	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
838
839config SNI_RM
840	bool "SNI RM200/300/400"
841	select FW_ARC if CPU_LITTLE_ENDIAN
842	select FW_ARC32 if CPU_LITTLE_ENDIAN
843	select FW_SNIPROM if CPU_BIG_ENDIAN
844	select ARCH_MAY_HAVE_PC_FDC
845	select ARCH_MIGHT_HAVE_PC_PARPORT
846	select ARCH_MIGHT_HAVE_PC_SERIO
847	select BOOT_ELF32
848	select CEVT_R4K
849	select CSRC_R4K
850	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
851	select DMA_NONCOHERENT
852	select GENERIC_ISA_DMA
853	select HAVE_EISA
854	select HAVE_PCSPKR_PLATFORM
855	select HAVE_PCI
856	select IRQ_MIPS_CPU
857	select I8253
858	select I8259
859	select ISA
860	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
861	select SYS_HAS_CPU_R4X00
862	select SYS_HAS_CPU_R5000
863	select SYS_HAS_CPU_R10000
864	select R5000_CPU_SCACHE
865	select SYS_HAS_EARLY_PRINTK
866	select SYS_SUPPORTS_32BIT_KERNEL
867	select SYS_SUPPORTS_64BIT_KERNEL
868	select SYS_SUPPORTS_BIG_ENDIAN
869	select SYS_SUPPORTS_HIGHMEM
870	select SYS_SUPPORTS_LITTLE_ENDIAN
871	help
872	  The SNI RM200/300/400 are MIPS-based machines manufactured by
873	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
874	  Technology and now in turn merged with Fujitsu.  Say Y here to
875	  support this machine type.
876
877config MACH_TX39XX
878	bool "Toshiba TX39 series based machines"
879
880config MACH_TX49XX
881	bool "Toshiba TX49 series based machines"
882
883config MIKROTIK_RB532
884	bool "Mikrotik RB532 boards"
885	select CEVT_R4K
886	select CSRC_R4K
887	select DMA_NONCOHERENT
888	select HAVE_PCI
889	select IRQ_MIPS_CPU
890	select SYS_HAS_CPU_MIPS32_R1
891	select SYS_SUPPORTS_32BIT_KERNEL
892	select SYS_SUPPORTS_LITTLE_ENDIAN
893	select SWAP_IO_SPACE
894	select BOOT_RAW
895	select GPIOLIB
896	select MIPS_L1_CACHE_SHIFT_4
897	help
898	  Support the Mikrotik(tm) RouterBoard 532 series,
899	  based on the IDT RC32434 SoC.
900
901config CAVIUM_OCTEON_SOC
902	bool "Cavium Networks Octeon SoC based boards"
903	select CEVT_R4K
904	select ARCH_HAS_PHYS_TO_DMA
905	select HAVE_RAPIDIO
906	select PHYS_ADDR_T_64BIT
907	select SYS_SUPPORTS_64BIT_KERNEL
908	select SYS_SUPPORTS_BIG_ENDIAN
909	select EDAC_SUPPORT
910	select EDAC_ATOMIC_SCRUB
911	select SYS_SUPPORTS_LITTLE_ENDIAN
912	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
913	select SYS_HAS_EARLY_PRINTK
914	select SYS_HAS_CPU_CAVIUM_OCTEON
915	select HAVE_PCI
916	select ZONE_DMA32
917	select HOLES_IN_ZONE
918	select GPIOLIB
919	select LIBFDT
920	select USE_OF
921	select ARCH_SPARSEMEM_ENABLE
922	select SYS_SUPPORTS_SMP
923	select NR_CPUS_DEFAULT_64
924	select MIPS_NR_CPU_NR_MAP_1024
925	select BUILTIN_DTB
926	select MTD_COMPLEX_MAPPINGS
927	select SWIOTLB
928	select SYS_SUPPORTS_RELOCATABLE
929	help
930	  This option supports all of the Octeon reference boards from Cavium
931	  Networks. It builds a kernel that dynamically determines the Octeon
932	  CPU type and supports all known board reference implementations.
933	  Some of the supported boards are:
934		EBT3000
935		EBH3000
936		EBH3100
937		Thunder
938		Kodama
939		Hikari
940	  Say Y here for most Octeon reference boards.
941
942config NLM_XLR_BOARD
943	bool "Netlogic XLR/XLS based systems"
944	select BOOT_ELF32
945	select NLM_COMMON
946	select SYS_HAS_CPU_XLR
947	select SYS_SUPPORTS_SMP
948	select HAVE_PCI
949	select SWAP_IO_SPACE
950	select SYS_SUPPORTS_32BIT_KERNEL
951	select SYS_SUPPORTS_64BIT_KERNEL
952	select PHYS_ADDR_T_64BIT
953	select SYS_SUPPORTS_BIG_ENDIAN
954	select SYS_SUPPORTS_HIGHMEM
955	select NR_CPUS_DEFAULT_32
956	select CEVT_R4K
957	select CSRC_R4K
958	select IRQ_MIPS_CPU
959	select ZONE_DMA32 if 64BIT
960	select SYNC_R4K
961	select SYS_HAS_EARLY_PRINTK
962	select SYS_SUPPORTS_ZBOOT
963	select SYS_SUPPORTS_ZBOOT_UART16550
964	help
965	  Support for systems based on Netlogic XLR and XLS processors.
966	  Say Y here if you have a XLR or XLS based board.
967
968config NLM_XLP_BOARD
969	bool "Netlogic XLP based systems"
970	select BOOT_ELF32
971	select NLM_COMMON
972	select SYS_HAS_CPU_XLP
973	select SYS_SUPPORTS_SMP
974	select HAVE_PCI
975	select SYS_SUPPORTS_32BIT_KERNEL
976	select SYS_SUPPORTS_64BIT_KERNEL
977	select PHYS_ADDR_T_64BIT
978	select GPIOLIB
979	select SYS_SUPPORTS_BIG_ENDIAN
980	select SYS_SUPPORTS_LITTLE_ENDIAN
981	select SYS_SUPPORTS_HIGHMEM
982	select NR_CPUS_DEFAULT_32
983	select CEVT_R4K
984	select CSRC_R4K
985	select IRQ_MIPS_CPU
986	select ZONE_DMA32 if 64BIT
987	select SYNC_R4K
988	select SYS_HAS_EARLY_PRINTK
989	select USE_OF
990	select SYS_SUPPORTS_ZBOOT
991	select SYS_SUPPORTS_ZBOOT_UART16550
992	help
993	  This board is based on Netlogic XLP Processor.
994	  Say Y here if you have a XLP based board.
995
996config MIPS_PARAVIRT
997	bool "Para-Virtualized guest system"
998	select CEVT_R4K
999	select CSRC_R4K
1000	select SYS_SUPPORTS_64BIT_KERNEL
1001	select SYS_SUPPORTS_32BIT_KERNEL
1002	select SYS_SUPPORTS_BIG_ENDIAN
1003	select SYS_SUPPORTS_SMP
1004	select NR_CPUS_DEFAULT_4
1005	select SYS_HAS_EARLY_PRINTK
1006	select SYS_HAS_CPU_MIPS32_R2
1007	select SYS_HAS_CPU_MIPS64_R2
1008	select SYS_HAS_CPU_CAVIUM_OCTEON
1009	select HAVE_PCI
1010	select SWAP_IO_SPACE
1011	help
1012	  This option supports guest running under ????
1013
1014endchoice
1015
1016source "arch/mips/alchemy/Kconfig"
1017source "arch/mips/ath25/Kconfig"
1018source "arch/mips/ath79/Kconfig"
1019source "arch/mips/bcm47xx/Kconfig"
1020source "arch/mips/bcm63xx/Kconfig"
1021source "arch/mips/bmips/Kconfig"
1022source "arch/mips/generic/Kconfig"
1023source "arch/mips/jazz/Kconfig"
1024source "arch/mips/jz4740/Kconfig"
1025source "arch/mips/lantiq/Kconfig"
1026source "arch/mips/lasat/Kconfig"
1027source "arch/mips/pic32/Kconfig"
1028source "arch/mips/pistachio/Kconfig"
1029source "arch/mips/pmcs-msp71xx/Kconfig"
1030source "arch/mips/ralink/Kconfig"
1031source "arch/mips/sgi-ip27/Kconfig"
1032source "arch/mips/sibyte/Kconfig"
1033source "arch/mips/txx9/Kconfig"
1034source "arch/mips/vr41xx/Kconfig"
1035source "arch/mips/cavium-octeon/Kconfig"
1036source "arch/mips/loongson32/Kconfig"
1037source "arch/mips/loongson64/Kconfig"
1038source "arch/mips/netlogic/Kconfig"
1039source "arch/mips/paravirt/Kconfig"
1040
1041endmenu
1042
1043config GENERIC_HWEIGHT
1044	bool
1045	default y
1046
1047config GENERIC_CALIBRATE_DELAY
1048	bool
1049	default y
1050
1051config SCHED_OMIT_FRAME_POINTER
1052	bool
1053	default y
1054
1055#
1056# Select some configuration options automatically based on user selections.
1057#
1058config FW_ARC
1059	bool
1060
1061config ARCH_MAY_HAVE_PC_FDC
1062	bool
1063
1064config BOOT_RAW
1065	bool
1066
1067config CEVT_BCM1480
1068	bool
1069
1070config CEVT_DS1287
1071	bool
1072
1073config CEVT_GT641XX
1074	bool
1075
1076config CEVT_R4K
1077	bool
1078
1079config CEVT_SB1250
1080	bool
1081
1082config CEVT_TXX9
1083	bool
1084
1085config CSRC_BCM1480
1086	bool
1087
1088config CSRC_IOASIC
1089	bool
1090
1091config CSRC_R4K
1092	bool
1093
1094config CSRC_SB1250
1095	bool
1096
1097config MIPS_CLOCK_VSYSCALL
1098	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1099
1100config GPIO_TXX9
1101	select GPIOLIB
1102	bool
1103
1104config FW_CFE
1105	bool
1106
1107config ARCH_SUPPORTS_UPROBES
1108	bool
1109
1110config DMA_MAYBE_COHERENT
1111	select ARCH_HAS_DMA_COHERENCE_H
1112	select DMA_NONCOHERENT
1113	bool
1114
1115config DMA_PERDEV_COHERENT
1116	bool
1117	select ARCH_HAS_SETUP_DMA_OPS
1118	select DMA_NONCOHERENT
1119
1120config DMA_NONCOHERENT
1121	bool
1122	#
1123	# MIPS allows mixing "slightly different" Cacheability and Coherency
1124	# Attribute bits.  It is believed that the uncached access through
1125	# KSEG1 and the implementation specific "uncached accelerated" used
1126	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1127	# significant advantages.
1128	#
1129	select ARCH_HAS_DMA_WRITE_COMBINE
1130	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1131	select ARCH_HAS_UNCACHED_SEGMENT
1132	select NEED_DMA_MAP_STATE
1133	select ARCH_HAS_DMA_COHERENT_TO_PFN
1134	select DMA_NONCOHERENT_CACHE_SYNC
1135
1136config SYS_HAS_EARLY_PRINTK
1137	bool
1138
1139config SYS_SUPPORTS_HOTPLUG_CPU
1140	bool
1141
1142config MIPS_BONITO64
1143	bool
1144
1145config MIPS_MSC
1146	bool
1147
1148config MIPS_NILE4
1149	bool
1150
1151config SYNC_R4K
1152	bool
1153
1154config MIPS_MACHINE
1155	def_bool n
1156
1157config NO_IOPORT_MAP
1158	def_bool n
1159
1160config GENERIC_CSUM
1161	bool
1162	default y if !CPU_HAS_LOAD_STORE_LR
1163
1164config GENERIC_ISA_DMA
1165	bool
1166	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1167	select ISA_DMA_API
1168
1169config GENERIC_ISA_DMA_SUPPORT_BROKEN
1170	bool
1171	select GENERIC_ISA_DMA
1172
1173config ISA_DMA_API
1174	bool
1175
1176config HOLES_IN_ZONE
1177	bool
1178
1179config SYS_SUPPORTS_RELOCATABLE
1180	bool
1181	help
1182	  Selected if the platform supports relocating the kernel.
1183	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1184	  to allow access to command line and entropy sources.
1185
1186config MIPS_CBPF_JIT
1187	def_bool y
1188	depends on BPF_JIT && HAVE_CBPF_JIT
1189
1190config MIPS_EBPF_JIT
1191	def_bool y
1192	depends on BPF_JIT && HAVE_EBPF_JIT
1193
1194
1195#
1196# Endianness selection.  Sufficiently obscure so many users don't know what to
1197# answer,so we try hard to limit the available choices.  Also the use of a
1198# choice statement should be more obvious to the user.
1199#
1200choice
1201	prompt "Endianness selection"
1202	help
1203	  Some MIPS machines can be configured for either little or big endian
1204	  byte order. These modes require different kernels and a different
1205	  Linux distribution.  In general there is one preferred byteorder for a
1206	  particular system but some systems are just as commonly used in the
1207	  one or the other endianness.
1208
1209config CPU_BIG_ENDIAN
1210	bool "Big endian"
1211	depends on SYS_SUPPORTS_BIG_ENDIAN
1212
1213config CPU_LITTLE_ENDIAN
1214	bool "Little endian"
1215	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1216
1217endchoice
1218
1219config EXPORT_UASM
1220	bool
1221
1222config SYS_SUPPORTS_APM_EMULATION
1223	bool
1224
1225config SYS_SUPPORTS_BIG_ENDIAN
1226	bool
1227
1228config SYS_SUPPORTS_LITTLE_ENDIAN
1229	bool
1230
1231config SYS_SUPPORTS_HUGETLBFS
1232	bool
1233	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1234	default y
1235
1236config MIPS_HUGE_TLB_SUPPORT
1237	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1238
1239config IRQ_CPU_RM7K
1240	bool
1241
1242config IRQ_MSP_SLP
1243	bool
1244
1245config IRQ_MSP_CIC
1246	bool
1247
1248config IRQ_TXX9
1249	bool
1250
1251config IRQ_GT641XX
1252	bool
1253
1254config PCI_GT64XXX_PCI0
1255	bool
1256
1257config PCI_XTALK_BRIDGE
1258	bool
1259
1260config NO_EXCEPT_FILL
1261	bool
1262
1263config SOC_EMMA2RH
1264	bool
1265	select CEVT_R4K
1266	select CSRC_R4K
1267	select DMA_NONCOHERENT
1268	select IRQ_MIPS_CPU
1269	select SWAP_IO_SPACE
1270	select SYS_HAS_CPU_R5500
1271	select SYS_SUPPORTS_32BIT_KERNEL
1272	select SYS_SUPPORTS_64BIT_KERNEL
1273	select SYS_SUPPORTS_BIG_ENDIAN
1274
1275config SOC_PNX833X
1276	bool
1277	select CEVT_R4K
1278	select CSRC_R4K
1279	select IRQ_MIPS_CPU
1280	select DMA_NONCOHERENT
1281	select SYS_HAS_CPU_MIPS32_R2
1282	select SYS_SUPPORTS_32BIT_KERNEL
1283	select SYS_SUPPORTS_LITTLE_ENDIAN
1284	select SYS_SUPPORTS_BIG_ENDIAN
1285	select SYS_SUPPORTS_MIPS16
1286	select CPU_MIPSR2_IRQ_VI
1287
1288config SOC_PNX8335
1289	bool
1290	select SOC_PNX833X
1291
1292config MIPS_SPRAM
1293	bool
1294
1295config SWAP_IO_SPACE
1296	bool
1297
1298config SGI_HAS_INDYDOG
1299	bool
1300
1301config SGI_HAS_HAL2
1302	bool
1303
1304config SGI_HAS_SEEQ
1305	bool
1306
1307config SGI_HAS_WD93
1308	bool
1309
1310config SGI_HAS_ZILOG
1311	bool
1312
1313config SGI_HAS_I8042
1314	bool
1315
1316config DEFAULT_SGI_PARTITION
1317	bool
1318
1319config FW_ARC32
1320	bool
1321
1322config FW_SNIPROM
1323	bool
1324
1325config BOOT_ELF32
1326	bool
1327
1328config MIPS_L1_CACHE_SHIFT_4
1329	bool
1330
1331config MIPS_L1_CACHE_SHIFT_5
1332	bool
1333
1334config MIPS_L1_CACHE_SHIFT_6
1335	bool
1336
1337config MIPS_L1_CACHE_SHIFT_7
1338	bool
1339
1340config MIPS_L1_CACHE_SHIFT
1341	int
1342	default "7" if MIPS_L1_CACHE_SHIFT_7
1343	default "6" if MIPS_L1_CACHE_SHIFT_6
1344	default "5" if MIPS_L1_CACHE_SHIFT_5
1345	default "4" if MIPS_L1_CACHE_SHIFT_4
1346	default "5"
1347
1348config HAVE_STD_PC_SERIAL_PORT
1349	bool
1350
1351config ARC_CONSOLE
1352	bool "ARC console support"
1353	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1354
1355config ARC_MEMORY
1356	bool
1357	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1358	default y
1359
1360config ARC_PROMLIB
1361	bool
1362	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1363	default y
1364
1365config FW_ARC64
1366	bool
1367
1368config BOOT_ELF64
1369	bool
1370
1371menu "CPU selection"
1372
1373choice
1374	prompt "CPU type"
1375	default CPU_R4X00
1376
1377config CPU_LOONGSON3
1378	bool "Loongson 3 CPU"
1379	depends on SYS_HAS_CPU_LOONGSON3
1380	select ARCH_HAS_PHYS_TO_DMA
1381	select CPU_SUPPORTS_64BIT_KERNEL
1382	select CPU_SUPPORTS_HIGHMEM
1383	select CPU_SUPPORTS_HUGEPAGES
1384	select CPU_HAS_LOAD_STORE_LR
1385	select WEAK_ORDERING
1386	select WEAK_REORDERING_BEYOND_LLSC
1387	select MIPS_PGD_C0_CONTEXT
1388	select MIPS_L1_CACHE_SHIFT_6
1389	select GPIOLIB
1390	select SWIOTLB
1391	help
1392		The Loongson 3 processor implements the MIPS64R2 instruction
1393		set with many extensions.
1394
1395config LOONGSON3_ENHANCEMENT
1396	bool "New Loongson 3 CPU Enhancements"
1397	default n
1398	select CPU_MIPSR2
1399	select CPU_HAS_PREFETCH
1400	depends on CPU_LOONGSON3
1401	help
1402	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1403	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1404	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1405	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1406	  Fast TLB refill support, etc.
1407
1408	  This option enable those enhancements which are not probed at run
1409	  time. If you want a generic kernel to run on all Loongson 3 machines,
1410	  please say 'N' here. If you want a high-performance kernel to run on
1411	  new Loongson 3 machines only, please say 'Y' here.
1412
1413config CPU_LOONGSON3_WORKAROUNDS
1414	bool "Old Loongson 3 LLSC Workarounds"
1415	default y if SMP
1416	depends on CPU_LOONGSON3
1417	help
1418	  Loongson 3 processors have the llsc issues which require workarounds.
1419	  Without workarounds the system may hang unexpectedly.
1420
1421	  Newer Loongson 3 will fix these issues and no workarounds are needed.
1422	  The workarounds have no significant side effect on them but may
1423	  decrease the performance of the system so this option should be
1424	  disabled unless the kernel is intended to be run on old systems.
1425
1426	  If unsure, please say Y.
1427
1428config CPU_LOONGSON2E
1429	bool "Loongson 2E"
1430	depends on SYS_HAS_CPU_LOONGSON2E
1431	select CPU_LOONGSON2
1432	help
1433	  The Loongson 2E processor implements the MIPS III instruction set
1434	  with many extensions.
1435
1436	  It has an internal FPGA northbridge, which is compatible to
1437	  bonito64.
1438
1439config CPU_LOONGSON2F
1440	bool "Loongson 2F"
1441	depends on SYS_HAS_CPU_LOONGSON2F
1442	select CPU_LOONGSON2
1443	select GPIOLIB
1444	help
1445	  The Loongson 2F processor implements the MIPS III instruction set
1446	  with many extensions.
1447
1448	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1449	  have a similar programming interface with FPGA northbridge used in
1450	  Loongson2E.
1451
1452config CPU_LOONGSON1B
1453	bool "Loongson 1B"
1454	depends on SYS_HAS_CPU_LOONGSON1B
1455	select CPU_LOONGSON1
1456	select LEDS_GPIO_REGISTER
1457	help
1458	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1459	  Release 1 instruction set and part of the MIPS32 Release 2
1460	  instruction set.
1461
1462config CPU_LOONGSON1C
1463	bool "Loongson 1C"
1464	depends on SYS_HAS_CPU_LOONGSON1C
1465	select CPU_LOONGSON1
1466	select LEDS_GPIO_REGISTER
1467	help
1468	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1469	  Release 1 instruction set and part of the MIPS32 Release 2
1470	  instruction set.
1471
1472config CPU_MIPS32_R1
1473	bool "MIPS32 Release 1"
1474	depends on SYS_HAS_CPU_MIPS32_R1
1475	select CPU_HAS_PREFETCH
1476	select CPU_HAS_LOAD_STORE_LR
1477	select CPU_SUPPORTS_32BIT_KERNEL
1478	select CPU_SUPPORTS_HIGHMEM
1479	help
1480	  Choose this option to build a kernel for release 1 or later of the
1481	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1482	  MIPS processor are based on a MIPS32 processor.  If you know the
1483	  specific type of processor in your system, choose those that one
1484	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1485	  Release 2 of the MIPS32 architecture is available since several
1486	  years so chances are you even have a MIPS32 Release 2 processor
1487	  in which case you should choose CPU_MIPS32_R2 instead for better
1488	  performance.
1489
1490config CPU_MIPS32_R2
1491	bool "MIPS32 Release 2"
1492	depends on SYS_HAS_CPU_MIPS32_R2
1493	select CPU_HAS_PREFETCH
1494	select CPU_HAS_LOAD_STORE_LR
1495	select CPU_SUPPORTS_32BIT_KERNEL
1496	select CPU_SUPPORTS_HIGHMEM
1497	select CPU_SUPPORTS_MSA
1498	select HAVE_KVM
1499	help
1500	  Choose this option to build a kernel for release 2 or later of the
1501	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1502	  MIPS processor are based on a MIPS32 processor.  If you know the
1503	  specific type of processor in your system, choose those that one
1504	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1505
1506config CPU_MIPS32_R6
1507	bool "MIPS32 Release 6"
1508	depends on SYS_HAS_CPU_MIPS32_R6
1509	select CPU_HAS_PREFETCH
1510	select CPU_SUPPORTS_32BIT_KERNEL
1511	select CPU_SUPPORTS_HIGHMEM
1512	select CPU_SUPPORTS_MSA
1513	select HAVE_KVM
1514	select MIPS_O32_FP64_SUPPORT
1515	help
1516	  Choose this option to build a kernel for release 6 or later of the
1517	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1518	  family, are based on a MIPS32r6 processor. If you own an older
1519	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1520
1521config CPU_MIPS64_R1
1522	bool "MIPS64 Release 1"
1523	depends on SYS_HAS_CPU_MIPS64_R1
1524	select CPU_HAS_PREFETCH
1525	select CPU_HAS_LOAD_STORE_LR
1526	select CPU_SUPPORTS_32BIT_KERNEL
1527	select CPU_SUPPORTS_64BIT_KERNEL
1528	select CPU_SUPPORTS_HIGHMEM
1529	select CPU_SUPPORTS_HUGEPAGES
1530	help
1531	  Choose this option to build a kernel for release 1 or later of the
1532	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1533	  MIPS processor are based on a MIPS64 processor.  If you know the
1534	  specific type of processor in your system, choose those that one
1535	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1536	  Release 2 of the MIPS64 architecture is available since several
1537	  years so chances are you even have a MIPS64 Release 2 processor
1538	  in which case you should choose CPU_MIPS64_R2 instead for better
1539	  performance.
1540
1541config CPU_MIPS64_R2
1542	bool "MIPS64 Release 2"
1543	depends on SYS_HAS_CPU_MIPS64_R2
1544	select CPU_HAS_PREFETCH
1545	select CPU_HAS_LOAD_STORE_LR
1546	select CPU_SUPPORTS_32BIT_KERNEL
1547	select CPU_SUPPORTS_64BIT_KERNEL
1548	select CPU_SUPPORTS_HIGHMEM
1549	select CPU_SUPPORTS_HUGEPAGES
1550	select CPU_SUPPORTS_MSA
1551	select HAVE_KVM
1552	help
1553	  Choose this option to build a kernel for release 2 or later of the
1554	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1555	  MIPS processor are based on a MIPS64 processor.  If you know the
1556	  specific type of processor in your system, choose those that one
1557	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1558
1559config CPU_MIPS64_R6
1560	bool "MIPS64 Release 6"
1561	depends on SYS_HAS_CPU_MIPS64_R6
1562	select CPU_HAS_PREFETCH
1563	select CPU_SUPPORTS_32BIT_KERNEL
1564	select CPU_SUPPORTS_64BIT_KERNEL
1565	select CPU_SUPPORTS_HIGHMEM
1566	select CPU_SUPPORTS_HUGEPAGES
1567	select CPU_SUPPORTS_MSA
1568	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1569	select HAVE_KVM
1570	help
1571	  Choose this option to build a kernel for release 6 or later of the
1572	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1573	  family, are based on a MIPS64r6 processor. If you own an older
1574	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1575
1576config CPU_R3000
1577	bool "R3000"
1578	depends on SYS_HAS_CPU_R3000
1579	select CPU_HAS_WB
1580	select CPU_HAS_LOAD_STORE_LR
1581	select CPU_SUPPORTS_32BIT_KERNEL
1582	select CPU_SUPPORTS_HIGHMEM
1583	help
1584	  Please make sure to pick the right CPU type. Linux/MIPS is not
1585	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1586	  *not* work on R4000 machines and vice versa.  However, since most
1587	  of the supported machines have an R4000 (or similar) CPU, R4x00
1588	  might be a safe bet.  If the resulting kernel does not work,
1589	  try to recompile with R3000.
1590
1591config CPU_TX39XX
1592	bool "R39XX"
1593	depends on SYS_HAS_CPU_TX39XX
1594	select CPU_SUPPORTS_32BIT_KERNEL
1595	select CPU_HAS_LOAD_STORE_LR
1596
1597config CPU_VR41XX
1598	bool "R41xx"
1599	depends on SYS_HAS_CPU_VR41XX
1600	select CPU_SUPPORTS_32BIT_KERNEL
1601	select CPU_SUPPORTS_64BIT_KERNEL
1602	select CPU_HAS_LOAD_STORE_LR
1603	help
1604	  The options selects support for the NEC VR4100 series of processors.
1605	  Only choose this option if you have one of these processors as a
1606	  kernel built with this option will not run on any other type of
1607	  processor or vice versa.
1608
1609config CPU_R4300
1610	bool "R4300"
1611	depends on SYS_HAS_CPU_R4300
1612	select CPU_SUPPORTS_32BIT_KERNEL
1613	select CPU_SUPPORTS_64BIT_KERNEL
1614	select CPU_HAS_LOAD_STORE_LR
1615	help
1616	  MIPS Technologies R4300-series processors.
1617
1618config CPU_R4X00
1619	bool "R4x00"
1620	depends on SYS_HAS_CPU_R4X00
1621	select CPU_SUPPORTS_32BIT_KERNEL
1622	select CPU_SUPPORTS_64BIT_KERNEL
1623	select CPU_SUPPORTS_HUGEPAGES
1624	select CPU_HAS_LOAD_STORE_LR
1625	help
1626	  MIPS Technologies R4000-series processors other than 4300, including
1627	  the R4000, R4400, R4600, and 4700.
1628
1629config CPU_TX49XX
1630	bool "R49XX"
1631	depends on SYS_HAS_CPU_TX49XX
1632	select CPU_HAS_PREFETCH
1633	select CPU_HAS_LOAD_STORE_LR
1634	select CPU_SUPPORTS_32BIT_KERNEL
1635	select CPU_SUPPORTS_64BIT_KERNEL
1636	select CPU_SUPPORTS_HUGEPAGES
1637
1638config CPU_R5000
1639	bool "R5000"
1640	depends on SYS_HAS_CPU_R5000
1641	select CPU_SUPPORTS_32BIT_KERNEL
1642	select CPU_SUPPORTS_64BIT_KERNEL
1643	select CPU_SUPPORTS_HUGEPAGES
1644	select CPU_HAS_LOAD_STORE_LR
1645	help
1646	  MIPS Technologies R5000-series processors other than the Nevada.
1647
1648config CPU_R5432
1649	bool "R5432"
1650	depends on SYS_HAS_CPU_R5432
1651	select CPU_SUPPORTS_32BIT_KERNEL
1652	select CPU_SUPPORTS_64BIT_KERNEL
1653	select CPU_SUPPORTS_HUGEPAGES
1654	select CPU_HAS_LOAD_STORE_LR
1655
1656config CPU_R5500
1657	bool "R5500"
1658	depends on SYS_HAS_CPU_R5500
1659	select CPU_SUPPORTS_32BIT_KERNEL
1660	select CPU_SUPPORTS_64BIT_KERNEL
1661	select CPU_SUPPORTS_HUGEPAGES
1662	select CPU_HAS_LOAD_STORE_LR
1663	help
1664	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1665	  instruction set.
1666
1667config CPU_NEVADA
1668	bool "RM52xx"
1669	depends on SYS_HAS_CPU_NEVADA
1670	select CPU_SUPPORTS_32BIT_KERNEL
1671	select CPU_SUPPORTS_64BIT_KERNEL
1672	select CPU_SUPPORTS_HUGEPAGES
1673	select CPU_HAS_LOAD_STORE_LR
1674	help
1675	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1676
1677config CPU_R8000
1678	bool "R8000"
1679	depends on SYS_HAS_CPU_R8000
1680	select CPU_HAS_PREFETCH
1681	select CPU_HAS_LOAD_STORE_LR
1682	select CPU_SUPPORTS_64BIT_KERNEL
1683	help
1684	  MIPS Technologies R8000 processors.  Note these processors are
1685	  uncommon and the support for them is incomplete.
1686
1687config CPU_R10000
1688	bool "R10000"
1689	depends on SYS_HAS_CPU_R10000
1690	select CPU_HAS_PREFETCH
1691	select CPU_HAS_LOAD_STORE_LR
1692	select CPU_SUPPORTS_32BIT_KERNEL
1693	select CPU_SUPPORTS_64BIT_KERNEL
1694	select CPU_SUPPORTS_HIGHMEM
1695	select CPU_SUPPORTS_HUGEPAGES
1696	help
1697	  MIPS Technologies R10000-series processors.
1698
1699config CPU_RM7000
1700	bool "RM7000"
1701	depends on SYS_HAS_CPU_RM7000
1702	select CPU_HAS_PREFETCH
1703	select CPU_HAS_LOAD_STORE_LR
1704	select CPU_SUPPORTS_32BIT_KERNEL
1705	select CPU_SUPPORTS_64BIT_KERNEL
1706	select CPU_SUPPORTS_HIGHMEM
1707	select CPU_SUPPORTS_HUGEPAGES
1708
1709config CPU_SB1
1710	bool "SB1"
1711	depends on SYS_HAS_CPU_SB1
1712	select CPU_HAS_LOAD_STORE_LR
1713	select CPU_SUPPORTS_32BIT_KERNEL
1714	select CPU_SUPPORTS_64BIT_KERNEL
1715	select CPU_SUPPORTS_HIGHMEM
1716	select CPU_SUPPORTS_HUGEPAGES
1717	select WEAK_ORDERING
1718
1719config CPU_CAVIUM_OCTEON
1720	bool "Cavium Octeon processor"
1721	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1722	select CPU_HAS_PREFETCH
1723	select CPU_HAS_LOAD_STORE_LR
1724	select CPU_SUPPORTS_64BIT_KERNEL
1725	select WEAK_ORDERING
1726	select CPU_SUPPORTS_HIGHMEM
1727	select CPU_SUPPORTS_HUGEPAGES
1728	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1729	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1730	select MIPS_L1_CACHE_SHIFT_7
1731	select HAVE_KVM
1732	help
1733	  The Cavium Octeon processor is a highly integrated chip containing
1734	  many ethernet hardware widgets for networking tasks. The processor
1735	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1736	  Full details can be found at http://www.caviumnetworks.com.
1737
1738config CPU_BMIPS
1739	bool "Broadcom BMIPS"
1740	depends on SYS_HAS_CPU_BMIPS
1741	select CPU_MIPS32
1742	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1743	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1744	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1745	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1746	select CPU_SUPPORTS_32BIT_KERNEL
1747	select DMA_NONCOHERENT
1748	select IRQ_MIPS_CPU
1749	select SWAP_IO_SPACE
1750	select WEAK_ORDERING
1751	select CPU_SUPPORTS_HIGHMEM
1752	select CPU_HAS_PREFETCH
1753	select CPU_HAS_LOAD_STORE_LR
1754	select CPU_SUPPORTS_CPUFREQ
1755	select MIPS_EXTERNAL_TIMER
1756	help
1757	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1758
1759config CPU_XLR
1760	bool "Netlogic XLR SoC"
1761	depends on SYS_HAS_CPU_XLR
1762	select CPU_HAS_LOAD_STORE_LR
1763	select CPU_SUPPORTS_32BIT_KERNEL
1764	select CPU_SUPPORTS_64BIT_KERNEL
1765	select CPU_SUPPORTS_HIGHMEM
1766	select CPU_SUPPORTS_HUGEPAGES
1767	select WEAK_ORDERING
1768	select WEAK_REORDERING_BEYOND_LLSC
1769	help
1770	  Netlogic Microsystems XLR/XLS processors.
1771
1772config CPU_XLP
1773	bool "Netlogic XLP SoC"
1774	depends on SYS_HAS_CPU_XLP
1775	select CPU_SUPPORTS_32BIT_KERNEL
1776	select CPU_SUPPORTS_64BIT_KERNEL
1777	select CPU_SUPPORTS_HIGHMEM
1778	select WEAK_ORDERING
1779	select WEAK_REORDERING_BEYOND_LLSC
1780	select CPU_HAS_PREFETCH
1781	select CPU_HAS_LOAD_STORE_LR
1782	select CPU_MIPSR2
1783	select CPU_SUPPORTS_HUGEPAGES
1784	select MIPS_ASID_BITS_VARIABLE
1785	help
1786	  Netlogic Microsystems XLP processors.
1787endchoice
1788
1789config CPU_MIPS32_3_5_FEATURES
1790	bool "MIPS32 Release 3.5 Features"
1791	depends on SYS_HAS_CPU_MIPS32_R3_5
1792	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1793	help
1794	  Choose this option to build a kernel for release 2 or later of the
1795	  MIPS32 architecture including features from the 3.5 release such as
1796	  support for Enhanced Virtual Addressing (EVA).
1797
1798config CPU_MIPS32_3_5_EVA
1799	bool "Enhanced Virtual Addressing (EVA)"
1800	depends on CPU_MIPS32_3_5_FEATURES
1801	select EVA
1802	default y
1803	help
1804	  Choose this option if you want to enable the Enhanced Virtual
1805	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1806	  One of its primary benefits is an increase in the maximum size
1807	  of lowmem (up to 3GB). If unsure, say 'N' here.
1808
1809config CPU_MIPS32_R5_FEATURES
1810	bool "MIPS32 Release 5 Features"
1811	depends on SYS_HAS_CPU_MIPS32_R5
1812	depends on CPU_MIPS32_R2
1813	help
1814	  Choose this option to build a kernel for release 2 or later of the
1815	  MIPS32 architecture including features from release 5 such as
1816	  support for Extended Physical Addressing (XPA).
1817
1818config CPU_MIPS32_R5_XPA
1819	bool "Extended Physical Addressing (XPA)"
1820	depends on CPU_MIPS32_R5_FEATURES
1821	depends on !EVA
1822	depends on !PAGE_SIZE_4KB
1823	depends on SYS_SUPPORTS_HIGHMEM
1824	select XPA
1825	select HIGHMEM
1826	select PHYS_ADDR_T_64BIT
1827	default n
1828	help
1829	  Choose this option if you want to enable the Extended Physical
1830	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1831	  benefit is to increase physical addressing equal to or greater
1832	  than 40 bits. Note that this has the side effect of turning on
1833	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1834	  If unsure, say 'N' here.
1835
1836if CPU_LOONGSON2F
1837config CPU_NOP_WORKAROUNDS
1838	bool
1839
1840config CPU_JUMP_WORKAROUNDS
1841	bool
1842
1843config CPU_LOONGSON2F_WORKAROUNDS
1844	bool "Loongson 2F Workarounds"
1845	default y
1846	select CPU_NOP_WORKAROUNDS
1847	select CPU_JUMP_WORKAROUNDS
1848	help
1849	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1850	  require workarounds.  Without workarounds the system may hang
1851	  unexpectedly.  For more information please refer to the gas
1852	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1853
1854	  Loongson 2F03 and later have fixed these issues and no workarounds
1855	  are needed.  The workarounds have no significant side effect on them
1856	  but may decrease the performance of the system so this option should
1857	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1858	  systems.
1859
1860	  If unsure, please say Y.
1861endif # CPU_LOONGSON2F
1862
1863config SYS_SUPPORTS_ZBOOT
1864	bool
1865	select HAVE_KERNEL_GZIP
1866	select HAVE_KERNEL_BZIP2
1867	select HAVE_KERNEL_LZ4
1868	select HAVE_KERNEL_LZMA
1869	select HAVE_KERNEL_LZO
1870	select HAVE_KERNEL_XZ
1871
1872config SYS_SUPPORTS_ZBOOT_UART16550
1873	bool
1874	select SYS_SUPPORTS_ZBOOT
1875
1876config SYS_SUPPORTS_ZBOOT_UART_PROM
1877	bool
1878	select SYS_SUPPORTS_ZBOOT
1879
1880config CPU_LOONGSON2
1881	bool
1882	select CPU_SUPPORTS_32BIT_KERNEL
1883	select CPU_SUPPORTS_64BIT_KERNEL
1884	select CPU_SUPPORTS_HIGHMEM
1885	select CPU_SUPPORTS_HUGEPAGES
1886	select ARCH_HAS_PHYS_TO_DMA
1887	select CPU_HAS_LOAD_STORE_LR
1888
1889config CPU_LOONGSON1
1890	bool
1891	select CPU_MIPS32
1892	select CPU_MIPSR2
1893	select CPU_HAS_PREFETCH
1894	select CPU_HAS_LOAD_STORE_LR
1895	select CPU_SUPPORTS_32BIT_KERNEL
1896	select CPU_SUPPORTS_HIGHMEM
1897	select CPU_SUPPORTS_CPUFREQ
1898
1899config CPU_BMIPS32_3300
1900	select SMP_UP if SMP
1901	bool
1902
1903config CPU_BMIPS4350
1904	bool
1905	select SYS_SUPPORTS_SMP
1906	select SYS_SUPPORTS_HOTPLUG_CPU
1907
1908config CPU_BMIPS4380
1909	bool
1910	select MIPS_L1_CACHE_SHIFT_6
1911	select SYS_SUPPORTS_SMP
1912	select SYS_SUPPORTS_HOTPLUG_CPU
1913	select CPU_HAS_RIXI
1914
1915config CPU_BMIPS5000
1916	bool
1917	select MIPS_CPU_SCACHE
1918	select MIPS_L1_CACHE_SHIFT_7
1919	select SYS_SUPPORTS_SMP
1920	select SYS_SUPPORTS_HOTPLUG_CPU
1921	select CPU_HAS_RIXI
1922
1923config SYS_HAS_CPU_LOONGSON3
1924	bool
1925	select CPU_SUPPORTS_CPUFREQ
1926	select CPU_HAS_RIXI
1927
1928config SYS_HAS_CPU_LOONGSON2E
1929	bool
1930
1931config SYS_HAS_CPU_LOONGSON2F
1932	bool
1933	select CPU_SUPPORTS_CPUFREQ
1934	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1935	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1936
1937config SYS_HAS_CPU_LOONGSON1B
1938	bool
1939
1940config SYS_HAS_CPU_LOONGSON1C
1941	bool
1942
1943config SYS_HAS_CPU_MIPS32_R1
1944	bool
1945
1946config SYS_HAS_CPU_MIPS32_R2
1947	bool
1948
1949config SYS_HAS_CPU_MIPS32_R3_5
1950	bool
1951
1952config SYS_HAS_CPU_MIPS32_R5
1953	bool
1954	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1955
1956config SYS_HAS_CPU_MIPS32_R6
1957	bool
1958	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1959
1960config SYS_HAS_CPU_MIPS64_R1
1961	bool
1962
1963config SYS_HAS_CPU_MIPS64_R2
1964	bool
1965
1966config SYS_HAS_CPU_MIPS64_R6
1967	bool
1968	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1969
1970config SYS_HAS_CPU_R3000
1971	bool
1972
1973config SYS_HAS_CPU_TX39XX
1974	bool
1975
1976config SYS_HAS_CPU_VR41XX
1977	bool
1978
1979config SYS_HAS_CPU_R4300
1980	bool
1981
1982config SYS_HAS_CPU_R4X00
1983	bool
1984
1985config SYS_HAS_CPU_TX49XX
1986	bool
1987
1988config SYS_HAS_CPU_R5000
1989	bool
1990
1991config SYS_HAS_CPU_R5432
1992	bool
1993
1994config SYS_HAS_CPU_R5500
1995	bool
1996
1997config SYS_HAS_CPU_NEVADA
1998	bool
1999
2000config SYS_HAS_CPU_R8000
2001	bool
2002
2003config SYS_HAS_CPU_R10000
2004	bool
2005	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2006
2007config SYS_HAS_CPU_RM7000
2008	bool
2009
2010config SYS_HAS_CPU_SB1
2011	bool
2012
2013config SYS_HAS_CPU_CAVIUM_OCTEON
2014	bool
2015
2016config SYS_HAS_CPU_BMIPS
2017	bool
2018
2019config SYS_HAS_CPU_BMIPS32_3300
2020	bool
2021	select SYS_HAS_CPU_BMIPS
2022
2023config SYS_HAS_CPU_BMIPS4350
2024	bool
2025	select SYS_HAS_CPU_BMIPS
2026
2027config SYS_HAS_CPU_BMIPS4380
2028	bool
2029	select SYS_HAS_CPU_BMIPS
2030
2031config SYS_HAS_CPU_BMIPS5000
2032	bool
2033	select SYS_HAS_CPU_BMIPS
2034	select ARCH_HAS_SYNC_DMA_FOR_CPU
2035
2036config SYS_HAS_CPU_XLR
2037	bool
2038
2039config SYS_HAS_CPU_XLP
2040	bool
2041
2042#
2043# CPU may reorder R->R, R->W, W->R, W->W
2044# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2045#
2046config WEAK_ORDERING
2047	bool
2048
2049#
2050# CPU may reorder reads and writes beyond LL/SC
2051# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2052#
2053config WEAK_REORDERING_BEYOND_LLSC
2054	bool
2055endmenu
2056
2057#
2058# These two indicate any level of the MIPS32 and MIPS64 architecture
2059#
2060config CPU_MIPS32
2061	bool
2062	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2063
2064config CPU_MIPS64
2065	bool
2066	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2067
2068#
2069# These indicate the revision of the architecture
2070#
2071config CPU_MIPSR1
2072	bool
2073	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2074
2075config CPU_MIPSR2
2076	bool
2077	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2078	select CPU_HAS_RIXI
2079	select MIPS_SPRAM
2080
2081config CPU_MIPSR6
2082	bool
2083	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2084	select CPU_HAS_RIXI
2085	select HAVE_ARCH_BITREVERSE
2086	select MIPS_ASID_BITS_VARIABLE
2087	select MIPS_CRC_SUPPORT
2088	select MIPS_SPRAM
2089
2090config TARGET_ISA_REV
2091	int
2092	default 1 if CPU_MIPSR1
2093	default 2 if CPU_MIPSR2
2094	default 6 if CPU_MIPSR6
2095	default 0
2096	help
2097	  Reflects the ISA revision being targeted by the kernel build. This
2098	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2099
2100config EVA
2101	bool
2102
2103config XPA
2104	bool
2105
2106config SYS_SUPPORTS_32BIT_KERNEL
2107	bool
2108config SYS_SUPPORTS_64BIT_KERNEL
2109	bool
2110config CPU_SUPPORTS_32BIT_KERNEL
2111	bool
2112config CPU_SUPPORTS_64BIT_KERNEL
2113	bool
2114config CPU_SUPPORTS_CPUFREQ
2115	bool
2116config CPU_SUPPORTS_ADDRWINCFG
2117	bool
2118config CPU_SUPPORTS_HUGEPAGES
2119	bool
2120config CPU_SUPPORTS_UNCACHED_ACCELERATED
2121	bool
2122config MIPS_PGD_C0_CONTEXT
2123	bool
2124	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2125
2126#
2127# Set to y for ptrace access to watch registers.
2128#
2129config HARDWARE_WATCHPOINTS
2130	bool
2131	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2132
2133menu "Kernel type"
2134
2135choice
2136	prompt "Kernel code model"
2137	help
2138	  You should only select this option if you have a workload that
2139	  actually benefits from 64-bit processing or if your machine has
2140	  large memory.  You will only be presented a single option in this
2141	  menu if your system does not support both 32-bit and 64-bit kernels.
2142
2143config 32BIT
2144	bool "32-bit kernel"
2145	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2146	select TRAD_SIGNALS
2147	help
2148	  Select this option if you want to build a 32-bit kernel.
2149
2150config 64BIT
2151	bool "64-bit kernel"
2152	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2153	help
2154	  Select this option if you want to build a 64-bit kernel.
2155
2156endchoice
2157
2158config KVM_GUEST
2159	bool "KVM Guest Kernel"
2160	depends on BROKEN_ON_SMP
2161	help
2162	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2163	  mode.
2164
2165config KVM_GUEST_TIMER_FREQ
2166	int "Count/Compare Timer Frequency (MHz)"
2167	depends on KVM_GUEST
2168	default 100
2169	help
2170	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2171	  emulation when determining guest CPU Frequency. Instead, the guest's
2172	  timer frequency is specified directly.
2173
2174config MIPS_VA_BITS_48
2175	bool "48 bits virtual memory"
2176	depends on 64BIT
2177	help
2178	  Support a maximum at least 48 bits of application virtual
2179	  memory.  Default is 40 bits or less, depending on the CPU.
2180	  For page sizes 16k and above, this option results in a small
2181	  memory overhead for page tables.  For 4k page size, a fourth
2182	  level of page tables is added which imposes both a memory
2183	  overhead as well as slower TLB fault handling.
2184
2185	  If unsure, say N.
2186
2187choice
2188	prompt "Kernel page size"
2189	default PAGE_SIZE_4KB
2190
2191config PAGE_SIZE_4KB
2192	bool "4kB"
2193	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2194	help
2195	  This option select the standard 4kB Linux page size.  On some
2196	  R3000-family processors this is the only available page size.  Using
2197	  4kB page size will minimize memory consumption and is therefore
2198	  recommended for low memory systems.
2199
2200config PAGE_SIZE_8KB
2201	bool "8kB"
2202	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2203	depends on !MIPS_VA_BITS_48
2204	help
2205	  Using 8kB page size will result in higher performance kernel at
2206	  the price of higher memory consumption.  This option is available
2207	  only on R8000 and cnMIPS processors.  Note that you will need a
2208	  suitable Linux distribution to support this.
2209
2210config PAGE_SIZE_16KB
2211	bool "16kB"
2212	depends on !CPU_R3000 && !CPU_TX39XX
2213	help
2214	  Using 16kB page size will result in higher performance kernel at
2215	  the price of higher memory consumption.  This option is available on
2216	  all non-R3000 family processors.  Note that you will need a suitable
2217	  Linux distribution to support this.
2218
2219config PAGE_SIZE_32KB
2220	bool "32kB"
2221	depends on CPU_CAVIUM_OCTEON
2222	depends on !MIPS_VA_BITS_48
2223	help
2224	  Using 32kB page size will result in higher performance kernel at
2225	  the price of higher memory consumption.  This option is available
2226	  only on cnMIPS cores.  Note that you will need a suitable Linux
2227	  distribution to support this.
2228
2229config PAGE_SIZE_64KB
2230	bool "64kB"
2231	depends on !CPU_R3000 && !CPU_TX39XX
2232	help
2233	  Using 64kB page size will result in higher performance kernel at
2234	  the price of higher memory consumption.  This option is available on
2235	  all non-R3000 family processor.  Not that at the time of this
2236	  writing this option is still high experimental.
2237
2238endchoice
2239
2240config FORCE_MAX_ZONEORDER
2241	int "Maximum zone order"
2242	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2243	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2244	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2245	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2246	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2247	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2248	range 11 64
2249	default "11"
2250	help
2251	  The kernel memory allocator divides physically contiguous memory
2252	  blocks into "zones", where each zone is a power of two number of
2253	  pages.  This option selects the largest power of two that the kernel
2254	  keeps in the memory allocator.  If you need to allocate very large
2255	  blocks of physically contiguous memory, then you may need to
2256	  increase this value.
2257
2258	  This config option is actually maximum order plus one. For example,
2259	  a value of 11 means that the largest free memory block is 2^10 pages.
2260
2261	  The page size is not necessarily 4KB.  Keep this in mind
2262	  when choosing a value for this option.
2263
2264config BOARD_SCACHE
2265	bool
2266
2267config IP22_CPU_SCACHE
2268	bool
2269	select BOARD_SCACHE
2270
2271#
2272# Support for a MIPS32 / MIPS64 style S-caches
2273#
2274config MIPS_CPU_SCACHE
2275	bool
2276	select BOARD_SCACHE
2277
2278config R5000_CPU_SCACHE
2279	bool
2280	select BOARD_SCACHE
2281
2282config RM7000_CPU_SCACHE
2283	bool
2284	select BOARD_SCACHE
2285
2286config SIBYTE_DMA_PAGEOPS
2287	bool "Use DMA to clear/copy pages"
2288	depends on CPU_SB1
2289	help
2290	  Instead of using the CPU to zero and copy pages, use a Data Mover
2291	  channel.  These DMA channels are otherwise unused by the standard
2292	  SiByte Linux port.  Seems to give a small performance benefit.
2293
2294config CPU_HAS_PREFETCH
2295	bool
2296
2297config CPU_GENERIC_DUMP_TLB
2298	bool
2299	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2300
2301config MIPS_FP_SUPPORT
2302	bool "Floating Point support" if EXPERT
2303	default y
2304	help
2305	  Select y to include support for floating point in the kernel
2306	  including initialization of FPU hardware, FP context save & restore
2307	  and emulation of an FPU where necessary. Without this support any
2308	  userland program attempting to use floating point instructions will
2309	  receive a SIGILL.
2310
2311	  If you know that your userland will not attempt to use floating point
2312	  instructions then you can say n here to shrink the kernel a little.
2313
2314	  If unsure, say y.
2315
2316config CPU_R2300_FPU
2317	bool
2318	depends on MIPS_FP_SUPPORT
2319	default y if CPU_R3000 || CPU_TX39XX
2320
2321config CPU_R4K_FPU
2322	bool
2323	depends on MIPS_FP_SUPPORT
2324	default y if !CPU_R2300_FPU
2325
2326config CPU_R4K_CACHE_TLB
2327	bool
2328	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2329
2330config MIPS_MT_SMP
2331	bool "MIPS MT SMP support (1 TC on each available VPE)"
2332	default y
2333	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2334	select CPU_MIPSR2_IRQ_VI
2335	select CPU_MIPSR2_IRQ_EI
2336	select SYNC_R4K
2337	select MIPS_MT
2338	select SMP
2339	select SMP_UP
2340	select SYS_SUPPORTS_SMP
2341	select SYS_SUPPORTS_SCHED_SMT
2342	select MIPS_PERF_SHARED_TC_COUNTERS
2343	help
2344	  This is a kernel model which is known as SMVP. This is supported
2345	  on cores with the MT ASE and uses the available VPEs to implement
2346	  virtual processors which supports SMP. This is equivalent to the
2347	  Intel Hyperthreading feature. For further information go to
2348	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2349
2350config MIPS_MT
2351	bool
2352
2353config SCHED_SMT
2354	bool "SMT (multithreading) scheduler support"
2355	depends on SYS_SUPPORTS_SCHED_SMT
2356	default n
2357	help
2358	  SMT scheduler support improves the CPU scheduler's decision making
2359	  when dealing with MIPS MT enabled cores at a cost of slightly
2360	  increased overhead in some places. If unsure say N here.
2361
2362config SYS_SUPPORTS_SCHED_SMT
2363	bool
2364
2365config SYS_SUPPORTS_MULTITHREADING
2366	bool
2367
2368config MIPS_MT_FPAFF
2369	bool "Dynamic FPU affinity for FP-intensive threads"
2370	default y
2371	depends on MIPS_MT_SMP
2372
2373config MIPSR2_TO_R6_EMULATOR
2374	bool "MIPS R2-to-R6 emulator"
2375	depends on CPU_MIPSR6
2376	depends on MIPS_FP_SUPPORT
2377	default y
2378	help
2379	  Choose this option if you want to run non-R6 MIPS userland code.
2380	  Even if you say 'Y' here, the emulator will still be disabled by
2381	  default. You can enable it using the 'mipsr2emu' kernel option.
2382	  The only reason this is a build-time option is to save ~14K from the
2383	  final kernel image.
2384
2385config SYS_SUPPORTS_VPE_LOADER
2386	bool
2387	depends on SYS_SUPPORTS_MULTITHREADING
2388	help
2389	  Indicates that the platform supports the VPE loader, and provides
2390	  physical_memsize.
2391
2392config MIPS_VPE_LOADER
2393	bool "VPE loader support."
2394	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2395	select CPU_MIPSR2_IRQ_VI
2396	select CPU_MIPSR2_IRQ_EI
2397	select MIPS_MT
2398	help
2399	  Includes a loader for loading an elf relocatable object
2400	  onto another VPE and running it.
2401
2402config MIPS_VPE_LOADER_CMP
2403	bool
2404	default "y"
2405	depends on MIPS_VPE_LOADER && MIPS_CMP
2406
2407config MIPS_VPE_LOADER_MT
2408	bool
2409	default "y"
2410	depends on MIPS_VPE_LOADER && !MIPS_CMP
2411
2412config MIPS_VPE_LOADER_TOM
2413	bool "Load VPE program into memory hidden from linux"
2414	depends on MIPS_VPE_LOADER
2415	default y
2416	help
2417	  The loader can use memory that is present but has been hidden from
2418	  Linux using the kernel command line option "mem=xxMB". It's up to
2419	  you to ensure the amount you put in the option and the space your
2420	  program requires is less or equal to the amount physically present.
2421
2422config MIPS_VPE_APSP_API
2423	bool "Enable support for AP/SP API (RTLX)"
2424	depends on MIPS_VPE_LOADER
2425
2426config MIPS_VPE_APSP_API_CMP
2427	bool
2428	default "y"
2429	depends on MIPS_VPE_APSP_API && MIPS_CMP
2430
2431config MIPS_VPE_APSP_API_MT
2432	bool
2433	default "y"
2434	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2435
2436config MIPS_CMP
2437	bool "MIPS CMP framework support (DEPRECATED)"
2438	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2439	select SMP
2440	select SYNC_R4K
2441	select SYS_SUPPORTS_SMP
2442	select WEAK_ORDERING
2443	default n
2444	help
2445	  Select this if you are using a bootloader which implements the "CMP
2446	  framework" protocol (ie. YAMON) and want your kernel to make use of
2447	  its ability to start secondary CPUs.
2448
2449	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2450	  instead of this.
2451
2452config MIPS_CPS
2453	bool "MIPS Coherent Processing System support"
2454	depends on SYS_SUPPORTS_MIPS_CPS
2455	select MIPS_CM
2456	select MIPS_CPS_PM if HOTPLUG_CPU
2457	select SMP
2458	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2459	select SYS_SUPPORTS_HOTPLUG_CPU
2460	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2461	select SYS_SUPPORTS_SMP
2462	select WEAK_ORDERING
2463	help
2464	  Select this if you wish to run an SMP kernel across multiple cores
2465	  within a MIPS Coherent Processing System. When this option is
2466	  enabled the kernel will probe for other cores and boot them with
2467	  no external assistance. It is safe to enable this when hardware
2468	  support is unavailable.
2469
2470config MIPS_CPS_PM
2471	depends on MIPS_CPS
2472	bool
2473
2474config MIPS_CM
2475	bool
2476	select MIPS_CPC
2477
2478config MIPS_CPC
2479	bool
2480
2481config SB1_PASS_2_WORKAROUNDS
2482	bool
2483	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2484	default y
2485
2486config SB1_PASS_2_1_WORKAROUNDS
2487	bool
2488	depends on CPU_SB1 && CPU_SB1_PASS_2
2489	default y
2490
2491choice
2492	prompt "SmartMIPS or microMIPS ASE support"
2493
2494config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2495	bool "None"
2496	help
2497	  Select this if you want neither microMIPS nor SmartMIPS support
2498
2499config CPU_HAS_SMARTMIPS
2500	depends on SYS_SUPPORTS_SMARTMIPS
2501	bool "SmartMIPS"
2502	help
2503	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2504	  increased security at both hardware and software level for
2505	  smartcards.  Enabling this option will allow proper use of the
2506	  SmartMIPS instructions by Linux applications.  However a kernel with
2507	  this option will not work on a MIPS core without SmartMIPS core.  If
2508	  you don't know you probably don't have SmartMIPS and should say N
2509	  here.
2510
2511config CPU_MICROMIPS
2512	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2513	bool "microMIPS"
2514	help
2515	  When this option is enabled the kernel will be built using the
2516	  microMIPS ISA
2517
2518endchoice
2519
2520config CPU_HAS_MSA
2521	bool "Support for the MIPS SIMD Architecture"
2522	depends on CPU_SUPPORTS_MSA
2523	depends on MIPS_FP_SUPPORT
2524	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2525	help
2526	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2527	  and a set of SIMD instructions to operate on them. When this option
2528	  is enabled the kernel will support allocating & switching MSA
2529	  vector register contexts. If you know that your kernel will only be
2530	  running on CPUs which do not support MSA or that your userland will
2531	  not be making use of it then you may wish to say N here to reduce
2532	  the size & complexity of your kernel.
2533
2534	  If unsure, say Y.
2535
2536config CPU_HAS_WB
2537	bool
2538
2539config XKS01
2540	bool
2541
2542config CPU_HAS_RIXI
2543	bool
2544
2545config CPU_HAS_LOAD_STORE_LR
2546	bool
2547	help
2548	  CPU has support for unaligned load and store instructions:
2549	  LWL, LWR, SWL, SWR (Load/store word left/right).
2550	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2551
2552#
2553# Vectored interrupt mode is an R2 feature
2554#
2555config CPU_MIPSR2_IRQ_VI
2556	bool
2557
2558#
2559# Extended interrupt mode is an R2 feature
2560#
2561config CPU_MIPSR2_IRQ_EI
2562	bool
2563
2564config CPU_HAS_SYNC
2565	bool
2566	depends on !CPU_R3000
2567	default y
2568
2569#
2570# CPU non-features
2571#
2572config CPU_DADDI_WORKAROUNDS
2573	bool
2574
2575config CPU_R4000_WORKAROUNDS
2576	bool
2577	select CPU_R4400_WORKAROUNDS
2578
2579config CPU_R4400_WORKAROUNDS
2580	bool
2581
2582config MIPS_ASID_SHIFT
2583	int
2584	default 6 if CPU_R3000 || CPU_TX39XX
2585	default 4 if CPU_R8000
2586	default 0
2587
2588config MIPS_ASID_BITS
2589	int
2590	default 0 if MIPS_ASID_BITS_VARIABLE
2591	default 6 if CPU_R3000 || CPU_TX39XX
2592	default 8
2593
2594config MIPS_ASID_BITS_VARIABLE
2595	bool
2596
2597config MIPS_CRC_SUPPORT
2598	bool
2599
2600#
2601# - Highmem only makes sense for the 32-bit kernel.
2602# - The current highmem code will only work properly on physically indexed
2603#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2604#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2605#   moment we protect the user and offer the highmem option only on machines
2606#   where it's known to be safe.  This will not offer highmem on a few systems
2607#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2608#   indexed CPUs but we're playing safe.
2609# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2610#   know they might have memory configurations that could make use of highmem
2611#   support.
2612#
2613config HIGHMEM
2614	bool "High Memory Support"
2615	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2616
2617config CPU_SUPPORTS_HIGHMEM
2618	bool
2619
2620config SYS_SUPPORTS_HIGHMEM
2621	bool
2622
2623config SYS_SUPPORTS_SMARTMIPS
2624	bool
2625
2626config SYS_SUPPORTS_MICROMIPS
2627	bool
2628
2629config SYS_SUPPORTS_MIPS16
2630	bool
2631	help
2632	  This option must be set if a kernel might be executed on a MIPS16-
2633	  enabled CPU even if MIPS16 is not actually being used.  In other
2634	  words, it makes the kernel MIPS16-tolerant.
2635
2636config CPU_SUPPORTS_MSA
2637	bool
2638
2639config ARCH_FLATMEM_ENABLE
2640	def_bool y
2641	depends on !NUMA && !CPU_LOONGSON2
2642
2643config ARCH_DISCONTIGMEM_ENABLE
2644	bool
2645	default y if SGI_IP27
2646	help
2647	  Say Y to support efficient handling of discontiguous physical memory,
2648	  for architectures which are either NUMA (Non-Uniform Memory Access)
2649	  or have huge holes in the physical address space for other reasons.
2650	  See <file:Documentation/vm/numa.rst> for more.
2651
2652config ARCH_SPARSEMEM_ENABLE
2653	bool
2654	select SPARSEMEM_STATIC
2655
2656config NUMA
2657	bool "NUMA Support"
2658	depends on SYS_SUPPORTS_NUMA
2659	help
2660	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2661	  Access).  This option improves performance on systems with more
2662	  than two nodes; on two node systems it is generally better to
2663	  leave it disabled; on single node systems disable this option
2664	  disabled.
2665
2666config SYS_SUPPORTS_NUMA
2667	bool
2668
2669config RELOCATABLE
2670	bool "Relocatable kernel"
2671	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2672	help
2673	  This builds a kernel image that retains relocation information
2674	  so it can be loaded someplace besides the default 1MB.
2675	  The relocations make the kernel binary about 15% larger,
2676	  but are discarded at runtime
2677
2678config RELOCATION_TABLE_SIZE
2679	hex "Relocation table size"
2680	depends on RELOCATABLE
2681	range 0x0 0x01000000
2682	default "0x00100000"
2683	---help---
2684	  A table of relocation data will be appended to the kernel binary
2685	  and parsed at boot to fix up the relocated kernel.
2686
2687	  This option allows the amount of space reserved for the table to be
2688	  adjusted, although the default of 1Mb should be ok in most cases.
2689
2690	  The build will fail and a valid size suggested if this is too small.
2691
2692	  If unsure, leave at the default value.
2693
2694config RANDOMIZE_BASE
2695	bool "Randomize the address of the kernel image"
2696	depends on RELOCATABLE
2697	---help---
2698	  Randomizes the physical and virtual address at which the
2699	  kernel image is loaded, as a security feature that
2700	  deters exploit attempts relying on knowledge of the location
2701	  of kernel internals.
2702
2703	  Entropy is generated using any coprocessor 0 registers available.
2704
2705	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2706
2707	  If unsure, say N.
2708
2709config RANDOMIZE_BASE_MAX_OFFSET
2710	hex "Maximum kASLR offset" if EXPERT
2711	depends on RANDOMIZE_BASE
2712	range 0x0 0x40000000 if EVA || 64BIT
2713	range 0x0 0x08000000
2714	default "0x01000000"
2715	---help---
2716	  When kASLR is active, this provides the maximum offset that will
2717	  be applied to the kernel image. It should be set according to the
2718	  amount of physical RAM available in the target system minus
2719	  PHYSICAL_START and must be a power of 2.
2720
2721	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2722	  EVA or 64-bit. The default is 16Mb.
2723
2724config NODES_SHIFT
2725	int
2726	default "6"
2727	depends on NEED_MULTIPLE_NODES
2728
2729config HW_PERF_EVENTS
2730	bool "Enable hardware performance counter support for perf events"
2731	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2732	default y
2733	help
2734	  Enable hardware performance counter support for perf events. If
2735	  disabled, perf events will use software events only.
2736
2737config SMP
2738	bool "Multi-Processing support"
2739	depends on SYS_SUPPORTS_SMP
2740	help
2741	  This enables support for systems with more than one CPU. If you have
2742	  a system with only one CPU, say N. If you have a system with more
2743	  than one CPU, say Y.
2744
2745	  If you say N here, the kernel will run on uni- and multiprocessor
2746	  machines, but will use only one CPU of a multiprocessor machine. If
2747	  you say Y here, the kernel will run on many, but not all,
2748	  uniprocessor machines. On a uniprocessor machine, the kernel
2749	  will run faster if you say N here.
2750
2751	  People using multiprocessor machines who say Y here should also say
2752	  Y to "Enhanced Real Time Clock Support", below.
2753
2754	  See also the SMP-HOWTO available at
2755	  <http://www.tldp.org/docs.html#howto>.
2756
2757	  If you don't know what to do here, say N.
2758
2759config HOTPLUG_CPU
2760	bool "Support for hot-pluggable CPUs"
2761	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2762	help
2763	  Say Y here to allow turning CPUs off and on. CPUs can be
2764	  controlled through /sys/devices/system/cpu.
2765	  (Note: power management support will enable this option
2766	    automatically on SMP systems. )
2767	  Say N if you want to disable CPU hotplug.
2768
2769config SMP_UP
2770	bool
2771
2772config SYS_SUPPORTS_MIPS_CMP
2773	bool
2774
2775config SYS_SUPPORTS_MIPS_CPS
2776	bool
2777
2778config SYS_SUPPORTS_SMP
2779	bool
2780
2781config NR_CPUS_DEFAULT_4
2782	bool
2783
2784config NR_CPUS_DEFAULT_8
2785	bool
2786
2787config NR_CPUS_DEFAULT_16
2788	bool
2789
2790config NR_CPUS_DEFAULT_32
2791	bool
2792
2793config NR_CPUS_DEFAULT_64
2794	bool
2795
2796config NR_CPUS
2797	int "Maximum number of CPUs (2-256)"
2798	range 2 256
2799	depends on SMP
2800	default "4" if NR_CPUS_DEFAULT_4
2801	default "8" if NR_CPUS_DEFAULT_8
2802	default "16" if NR_CPUS_DEFAULT_16
2803	default "32" if NR_CPUS_DEFAULT_32
2804	default "64" if NR_CPUS_DEFAULT_64
2805	help
2806	  This allows you to specify the maximum number of CPUs which this
2807	  kernel will support.  The maximum supported value is 32 for 32-bit
2808	  kernel and 64 for 64-bit kernels; the minimum value which makes
2809	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2810	  and 2 for all others.
2811
2812	  This is purely to save memory - each supported CPU adds
2813	  approximately eight kilobytes to the kernel image.  For best
2814	  performance should round up your number of processors to the next
2815	  power of two.
2816
2817config MIPS_PERF_SHARED_TC_COUNTERS
2818	bool
2819
2820config MIPS_NR_CPU_NR_MAP_1024
2821	bool
2822
2823config MIPS_NR_CPU_NR_MAP
2824	int
2825	depends on SMP
2826	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2827	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2828
2829#
2830# Timer Interrupt Frequency Configuration
2831#
2832
2833choice
2834	prompt "Timer frequency"
2835	default HZ_250
2836	help
2837	  Allows the configuration of the timer frequency.
2838
2839	config HZ_24
2840		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2841
2842	config HZ_48
2843		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2844
2845	config HZ_100
2846		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2847
2848	config HZ_128
2849		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2850
2851	config HZ_250
2852		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2853
2854	config HZ_256
2855		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2856
2857	config HZ_1000
2858		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2859
2860	config HZ_1024
2861		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2862
2863endchoice
2864
2865config SYS_SUPPORTS_24HZ
2866	bool
2867
2868config SYS_SUPPORTS_48HZ
2869	bool
2870
2871config SYS_SUPPORTS_100HZ
2872	bool
2873
2874config SYS_SUPPORTS_128HZ
2875	bool
2876
2877config SYS_SUPPORTS_250HZ
2878	bool
2879
2880config SYS_SUPPORTS_256HZ
2881	bool
2882
2883config SYS_SUPPORTS_1000HZ
2884	bool
2885
2886config SYS_SUPPORTS_1024HZ
2887	bool
2888
2889config SYS_SUPPORTS_ARBIT_HZ
2890	bool
2891	default y if !SYS_SUPPORTS_24HZ && \
2892		     !SYS_SUPPORTS_48HZ && \
2893		     !SYS_SUPPORTS_100HZ && \
2894		     !SYS_SUPPORTS_128HZ && \
2895		     !SYS_SUPPORTS_250HZ && \
2896		     !SYS_SUPPORTS_256HZ && \
2897		     !SYS_SUPPORTS_1000HZ && \
2898		     !SYS_SUPPORTS_1024HZ
2899
2900config HZ
2901	int
2902	default 24 if HZ_24
2903	default 48 if HZ_48
2904	default 100 if HZ_100
2905	default 128 if HZ_128
2906	default 250 if HZ_250
2907	default 256 if HZ_256
2908	default 1000 if HZ_1000
2909	default 1024 if HZ_1024
2910
2911config SCHED_HRTICK
2912	def_bool HIGH_RES_TIMERS
2913
2914config KEXEC
2915	bool "Kexec system call"
2916	select KEXEC_CORE
2917	help
2918	  kexec is a system call that implements the ability to shutdown your
2919	  current kernel, and to start another kernel.  It is like a reboot
2920	  but it is independent of the system firmware.   And like a reboot
2921	  you can start any kernel with it, not just Linux.
2922
2923	  The name comes from the similarity to the exec system call.
2924
2925	  It is an ongoing process to be certain the hardware in a machine
2926	  is properly shutdown, so do not be surprised if this code does not
2927	  initially work for you.  As of this writing the exact hardware
2928	  interface is strongly in flux, so no good recommendation can be
2929	  made.
2930
2931config CRASH_DUMP
2932	bool "Kernel crash dumps"
2933	help
2934	  Generate crash dump after being started by kexec.
2935	  This should be normally only set in special crash dump kernels
2936	  which are loaded in the main kernel with kexec-tools into
2937	  a specially reserved region and then later executed after
2938	  a crash by kdump/kexec. The crash dump kernel must be compiled
2939	  to a memory address not used by the main kernel or firmware using
2940	  PHYSICAL_START.
2941
2942config PHYSICAL_START
2943	hex "Physical address where the kernel is loaded"
2944	default "0xffffffff84000000"
2945	depends on CRASH_DUMP
2946	help
2947	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2948	  If you plan to use kernel for capturing the crash dump change
2949	  this value to start of the reserved region (the "X" value as
2950	  specified in the "crashkernel=YM@XM" command line boot parameter
2951	  passed to the panic-ed kernel).
2952
2953config SECCOMP
2954	bool "Enable seccomp to safely compute untrusted bytecode"
2955	depends on PROC_FS
2956	default y
2957	help
2958	  This kernel feature is useful for number crunching applications
2959	  that may need to compute untrusted bytecode during their
2960	  execution. By using pipes or other transports made available to
2961	  the process as file descriptors supporting the read/write
2962	  syscalls, it's possible to isolate those applications in
2963	  their own address space using seccomp. Once seccomp is
2964	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2965	  and the task is only allowed to execute a few safe syscalls
2966	  defined by each seccomp mode.
2967
2968	  If unsure, say Y. Only embedded should say N here.
2969
2970config MIPS_O32_FP64_SUPPORT
2971	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2972	depends on 32BIT || MIPS32_O32
2973	help
2974	  When this is enabled, the kernel will support use of 64-bit floating
2975	  point registers with binaries using the O32 ABI along with the
2976	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2977	  32-bit MIPS systems this support is at the cost of increasing the
2978	  size and complexity of the compiled FPU emulator. Thus if you are
2979	  running a MIPS32 system and know that none of your userland binaries
2980	  will require 64-bit floating point, you may wish to reduce the size
2981	  of your kernel & potentially improve FP emulation performance by
2982	  saying N here.
2983
2984	  Although binutils currently supports use of this flag the details
2985	  concerning its effect upon the O32 ABI in userland are still being
2986	  worked on. In order to avoid userland becoming dependant upon current
2987	  behaviour before the details have been finalised, this option should
2988	  be considered experimental and only enabled by those working upon
2989	  said details.
2990
2991	  If unsure, say N.
2992
2993config USE_OF
2994	bool
2995	select OF
2996	select OF_EARLY_FLATTREE
2997	select IRQ_DOMAIN
2998
2999config UHI_BOOT
3000	bool
3001
3002config BUILTIN_DTB
3003	bool
3004
3005choice
3006	prompt "Kernel appended dtb support" if USE_OF
3007	default MIPS_NO_APPENDED_DTB
3008
3009	config MIPS_NO_APPENDED_DTB
3010		bool "None"
3011		help
3012		  Do not enable appended dtb support.
3013
3014	config MIPS_ELF_APPENDED_DTB
3015		bool "vmlinux"
3016		help
3017		  With this option, the boot code will look for a device tree binary
3018		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3019		  it is empty and the DTB can be appended using binutils command
3020		  objcopy:
3021
3022		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3023
3024		  This is meant as a backward compatiblity convenience for those
3025		  systems with a bootloader that can't be upgraded to accommodate
3026		  the documented boot protocol using a device tree.
3027
3028	config MIPS_RAW_APPENDED_DTB
3029		bool "vmlinux.bin or vmlinuz.bin"
3030		help
3031		  With this option, the boot code will look for a device tree binary
3032		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3033		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3034
3035		  This is meant as a backward compatibility convenience for those
3036		  systems with a bootloader that can't be upgraded to accommodate
3037		  the documented boot protocol using a device tree.
3038
3039		  Beware that there is very little in terms of protection against
3040		  this option being confused by leftover garbage in memory that might
3041		  look like a DTB header after a reboot if no actual DTB is appended
3042		  to vmlinux.bin.  Do not leave this option active in a production kernel
3043		  if you don't intend to always append a DTB.
3044endchoice
3045
3046choice
3047	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3048	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3049					 !MIPS_MALTA && \
3050					 !CAVIUM_OCTEON_SOC
3051	default MIPS_CMDLINE_FROM_BOOTLOADER
3052
3053	config MIPS_CMDLINE_FROM_DTB
3054		depends on USE_OF
3055		bool "Dtb kernel arguments if available"
3056
3057	config MIPS_CMDLINE_DTB_EXTEND
3058		depends on USE_OF
3059		bool "Extend dtb kernel arguments with bootloader arguments"
3060
3061	config MIPS_CMDLINE_FROM_BOOTLOADER
3062		bool "Bootloader kernel arguments if available"
3063
3064	config MIPS_CMDLINE_BUILTIN_EXTEND
3065		depends on CMDLINE_BOOL
3066		bool "Extend builtin kernel arguments with bootloader arguments"
3067endchoice
3068
3069endmenu
3070
3071config LOCKDEP_SUPPORT
3072	bool
3073	default y
3074
3075config STACKTRACE_SUPPORT
3076	bool
3077	default y
3078
3079config HAVE_LATENCYTOP_SUPPORT
3080	bool
3081	default y
3082
3083config PGTABLE_LEVELS
3084	int
3085	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3086	default 3 if 64BIT && !PAGE_SIZE_64KB
3087	default 2
3088
3089config MIPS_AUTO_PFN_OFFSET
3090	bool
3091
3092menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3093
3094config PCI_DRIVERS_GENERIC
3095	select PCI_DOMAINS_GENERIC if PCI
3096	bool
3097
3098config PCI_DRIVERS_LEGACY
3099	def_bool !PCI_DRIVERS_GENERIC
3100	select NO_GENERIC_PCI_IOPORT_MAP
3101	select PCI_DOMAINS if PCI
3102
3103#
3104# ISA support is now enabled via select.  Too many systems still have the one
3105# or other ISA chip on the board that users don't know about so don't expect
3106# users to choose the right thing ...
3107#
3108config ISA
3109	bool
3110
3111config TC
3112	bool "TURBOchannel support"
3113	depends on MACH_DECSTATION
3114	help
3115	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3116	  processors.  TURBOchannel programming specifications are available
3117	  at:
3118	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3119	  and:
3120	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3121	  Linux driver support status is documented at:
3122	  <http://www.linux-mips.org/wiki/DECstation>
3123
3124config MMU
3125	bool
3126	default y
3127
3128config ARCH_MMAP_RND_BITS_MIN
3129	default 12 if 64BIT
3130	default 8
3131
3132config ARCH_MMAP_RND_BITS_MAX
3133	default 18 if 64BIT
3134	default 15
3135
3136config ARCH_MMAP_RND_COMPAT_BITS_MIN
3137	default 8
3138
3139config ARCH_MMAP_RND_COMPAT_BITS_MAX
3140	default 15
3141
3142config I8253
3143	bool
3144	select CLKSRC_I8253
3145	select CLKEVT_I8253
3146	select MIPS_EXTERNAL_TIMER
3147
3148config ZONE_DMA
3149	bool
3150
3151config ZONE_DMA32
3152	bool
3153
3154endmenu
3155
3156config TRAD_SIGNALS
3157	bool
3158
3159config MIPS32_COMPAT
3160	bool
3161
3162config COMPAT
3163	bool
3164
3165config SYSVIPC_COMPAT
3166	bool
3167
3168config MIPS32_O32
3169	bool "Kernel support for o32 binaries"
3170	depends on 64BIT
3171	select ARCH_WANT_OLD_COMPAT_IPC
3172	select COMPAT
3173	select MIPS32_COMPAT
3174	select SYSVIPC_COMPAT if SYSVIPC
3175	help
3176	  Select this option if you want to run o32 binaries.  These are pure
3177	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3178	  existing binaries are in this format.
3179
3180	  If unsure, say Y.
3181
3182config MIPS32_N32
3183	bool "Kernel support for n32 binaries"
3184	depends on 64BIT
3185	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3186	select COMPAT
3187	select MIPS32_COMPAT
3188	select SYSVIPC_COMPAT if SYSVIPC
3189	help
3190	  Select this option if you want to run n32 binaries.  These are
3191	  64-bit binaries using 32-bit quantities for addressing and certain
3192	  data that would normally be 64-bit.  They are used in special
3193	  cases.
3194
3195	  If unsure, say N.
3196
3197config BINFMT_ELF32
3198	bool
3199	default y if MIPS32_O32 || MIPS32_N32
3200	select ELFCORE
3201
3202menu "Power management options"
3203
3204config ARCH_HIBERNATION_POSSIBLE
3205	def_bool y
3206	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3207
3208config ARCH_SUSPEND_POSSIBLE
3209	def_bool y
3210	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3211
3212source "kernel/power/Kconfig"
3213
3214endmenu
3215
3216config MIPS_EXTERNAL_TIMER
3217	bool
3218
3219menu "CPU Power Management"
3220
3221if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3222source "drivers/cpufreq/Kconfig"
3223endif
3224
3225source "drivers/cpuidle/Kconfig"
3226
3227endmenu
3228
3229source "drivers/firmware/Kconfig"
3230
3231source "arch/mips/kvm/Kconfig"
3232