xref: /openbmc/linux/arch/mips/Kconfig (revision 1804569d)
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_DISCARD_MEMBLOCK
9	select ARCH_HAS_ELF_RANDOMIZE
10	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
11	select ARCH_HAS_UBSAN_SANITIZE_ALL
12	select ARCH_SUPPORTS_UPROBES
13	select ARCH_USE_BUILTIN_BSWAP
14	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
15	select ARCH_USE_QUEUED_RWLOCKS
16	select ARCH_USE_QUEUED_SPINLOCKS
17	select ARCH_WANT_IPC_PARSE_VERSION
18	select BUILDTIME_EXTABLE_SORT
19	select CLONE_BACKWARDS
20	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
21	select CPU_PM if CPU_IDLE
22	select GENERIC_ATOMIC64 if !64BIT
23	select GENERIC_CLOCKEVENTS
24	select GENERIC_CMOS_UPDATE
25	select GENERIC_CPU_AUTOPROBE
26	select GENERIC_IOMAP
27	select GENERIC_IRQ_PROBE
28	select GENERIC_IRQ_SHOW
29	select GENERIC_ISA_DMA if EISA
30	select GENERIC_LIB_ASHLDI3
31	select GENERIC_LIB_ASHRDI3
32	select GENERIC_LIB_CMPDI2
33	select GENERIC_LIB_LSHRDI3
34	select GENERIC_LIB_UCMPDI2
35	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
36	select GENERIC_SMP_IDLE_THREAD
37	select GENERIC_TIME_VSYSCALL
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_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
48	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
49	select HAVE_CONTEXT_TRACKING
50	select HAVE_COPY_THREAD_TLS
51	select HAVE_C_RECORDMCOUNT
52	select HAVE_DEBUG_KMEMLEAK
53	select HAVE_DEBUG_STACKOVERFLOW
54	select HAVE_DMA_CONTIGUOUS
55	select HAVE_DYNAMIC_FTRACE
56	select HAVE_EXIT_THREAD
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 NR_CPUS_DEFAULT_64
680	select SYS_HAS_CPU_R10000
681	select SYS_SUPPORTS_64BIT_KERNEL
682	select SYS_SUPPORTS_BIG_ENDIAN
683	select SYS_SUPPORTS_NUMA
684	select SYS_SUPPORTS_SMP
685	select MIPS_L1_CACHE_SHIFT_7
686	help
687	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
688	  workstations.  To compile a Linux kernel that runs on these, say Y
689	  here.
690
691config SGI_IP28
692	bool "SGI IP28 (Indigo2 R10k)"
693	select FW_ARC
694	select FW_ARC64
695	select ARCH_MIGHT_HAVE_PC_SERIO
696	select BOOT_ELF64
697	select CEVT_R4K
698	select CSRC_R4K
699	select DEFAULT_SGI_PARTITION
700	select DMA_NONCOHERENT
701	select GENERIC_ISA_DMA_SUPPORT_BROKEN
702	select IRQ_MIPS_CPU
703	select HAVE_EISA
704	select I8253
705	select I8259
706	select SGI_HAS_I8042
707	select SGI_HAS_INDYDOG
708	select SGI_HAS_HAL2
709	select SGI_HAS_SEEQ
710	select SGI_HAS_WD93
711	select SGI_HAS_ZILOG
712	select SWAP_IO_SPACE
713	select SYS_HAS_CPU_R10000
714	#
715	# Disable EARLY_PRINTK for now since it leads to overwritten prom
716	# memory during early boot on some machines.
717	#
718	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
719	# for a more details discussion
720	#
721	# select SYS_HAS_EARLY_PRINTK
722	select SYS_SUPPORTS_64BIT_KERNEL
723	select SYS_SUPPORTS_BIG_ENDIAN
724	select MIPS_L1_CACHE_SHIFT_7
725      help
726        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
727        kernel that runs on these, say Y here.
728
729config SGI_IP32
730	bool "SGI IP32 (O2)"
731	select ARCH_HAS_PHYS_TO_DMA
732	select FW_ARC
733	select FW_ARC32
734	select BOOT_ELF32
735	select CEVT_R4K
736	select CSRC_R4K
737	select DMA_NONCOHERENT
738	select HAVE_PCI
739	select IRQ_MIPS_CPU
740	select R5000_CPU_SCACHE
741	select RM7000_CPU_SCACHE
742	select SYS_HAS_CPU_R5000
743	select SYS_HAS_CPU_R10000 if BROKEN
744	select SYS_HAS_CPU_RM7000
745	select SYS_HAS_CPU_NEVADA
746	select SYS_SUPPORTS_64BIT_KERNEL
747	select SYS_SUPPORTS_BIG_ENDIAN
748	help
749	  If you want this kernel to run on SGI O2 workstation, say Y here.
750
751config SIBYTE_CRHINE
752	bool "Sibyte BCM91120C-CRhine"
753	select BOOT_ELF32
754	select SIBYTE_BCM1120
755	select SWAP_IO_SPACE
756	select SYS_HAS_CPU_SB1
757	select SYS_SUPPORTS_BIG_ENDIAN
758	select SYS_SUPPORTS_LITTLE_ENDIAN
759
760config SIBYTE_CARMEL
761	bool "Sibyte BCM91120x-Carmel"
762	select BOOT_ELF32
763	select SIBYTE_BCM1120
764	select SWAP_IO_SPACE
765	select SYS_HAS_CPU_SB1
766	select SYS_SUPPORTS_BIG_ENDIAN
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768
769config SIBYTE_CRHONE
770	bool "Sibyte BCM91125C-CRhone"
771	select BOOT_ELF32
772	select SIBYTE_BCM1125
773	select SWAP_IO_SPACE
774	select SYS_HAS_CPU_SB1
775	select SYS_SUPPORTS_BIG_ENDIAN
776	select SYS_SUPPORTS_HIGHMEM
777	select SYS_SUPPORTS_LITTLE_ENDIAN
778
779config SIBYTE_RHONE
780	bool "Sibyte BCM91125E-Rhone"
781	select BOOT_ELF32
782	select SIBYTE_BCM1125H
783	select SWAP_IO_SPACE
784	select SYS_HAS_CPU_SB1
785	select SYS_SUPPORTS_BIG_ENDIAN
786	select SYS_SUPPORTS_LITTLE_ENDIAN
787
788config SIBYTE_SWARM
789	bool "Sibyte BCM91250A-SWARM"
790	select BOOT_ELF32
791	select HAVE_PATA_PLATFORM
792	select SIBYTE_SB1250
793	select SWAP_IO_SPACE
794	select SYS_HAS_CPU_SB1
795	select SYS_SUPPORTS_BIG_ENDIAN
796	select SYS_SUPPORTS_HIGHMEM
797	select SYS_SUPPORTS_LITTLE_ENDIAN
798	select ZONE_DMA32 if 64BIT
799	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
800
801config SIBYTE_LITTLESUR
802	bool "Sibyte BCM91250C2-LittleSur"
803	select BOOT_ELF32
804	select HAVE_PATA_PLATFORM
805	select SIBYTE_SB1250
806	select SWAP_IO_SPACE
807	select SYS_HAS_CPU_SB1
808	select SYS_SUPPORTS_BIG_ENDIAN
809	select SYS_SUPPORTS_HIGHMEM
810	select SYS_SUPPORTS_LITTLE_ENDIAN
811	select ZONE_DMA32 if 64BIT
812
813config SIBYTE_SENTOSA
814	bool "Sibyte BCM91250E-Sentosa"
815	select BOOT_ELF32
816	select SIBYTE_SB1250
817	select SWAP_IO_SPACE
818	select SYS_HAS_CPU_SB1
819	select SYS_SUPPORTS_BIG_ENDIAN
820	select SYS_SUPPORTS_LITTLE_ENDIAN
821	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
822
823config SIBYTE_BIGSUR
824	bool "Sibyte BCM91480B-BigSur"
825	select BOOT_ELF32
826	select NR_CPUS_DEFAULT_4
827	select SIBYTE_BCM1x80
828	select SWAP_IO_SPACE
829	select SYS_HAS_CPU_SB1
830	select SYS_SUPPORTS_BIG_ENDIAN
831	select SYS_SUPPORTS_HIGHMEM
832	select SYS_SUPPORTS_LITTLE_ENDIAN
833	select ZONE_DMA32 if 64BIT
834	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
835
836config SNI_RM
837	bool "SNI RM200/300/400"
838	select FW_ARC if CPU_LITTLE_ENDIAN
839	select FW_ARC32 if CPU_LITTLE_ENDIAN
840	select FW_SNIPROM if CPU_BIG_ENDIAN
841	select ARCH_MAY_HAVE_PC_FDC
842	select ARCH_MIGHT_HAVE_PC_PARPORT
843	select ARCH_MIGHT_HAVE_PC_SERIO
844	select BOOT_ELF32
845	select CEVT_R4K
846	select CSRC_R4K
847	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
848	select DMA_NONCOHERENT
849	select GENERIC_ISA_DMA
850	select HAVE_EISA
851	select HAVE_PCSPKR_PLATFORM
852	select HAVE_PCI
853	select IRQ_MIPS_CPU
854	select I8253
855	select I8259
856	select ISA
857	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
858	select SYS_HAS_CPU_R4X00
859	select SYS_HAS_CPU_R5000
860	select SYS_HAS_CPU_R10000
861	select R5000_CPU_SCACHE
862	select SYS_HAS_EARLY_PRINTK
863	select SYS_SUPPORTS_32BIT_KERNEL
864	select SYS_SUPPORTS_64BIT_KERNEL
865	select SYS_SUPPORTS_BIG_ENDIAN
866	select SYS_SUPPORTS_HIGHMEM
867	select SYS_SUPPORTS_LITTLE_ENDIAN
868	help
869	  The SNI RM200/300/400 are MIPS-based machines manufactured by
870	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
871	  Technology and now in turn merged with Fujitsu.  Say Y here to
872	  support this machine type.
873
874config MACH_TX39XX
875	bool "Toshiba TX39 series based machines"
876
877config MACH_TX49XX
878	bool "Toshiba TX49 series based machines"
879
880config MIKROTIK_RB532
881	bool "Mikrotik RB532 boards"
882	select CEVT_R4K
883	select CSRC_R4K
884	select DMA_NONCOHERENT
885	select HAVE_PCI
886	select IRQ_MIPS_CPU
887	select SYS_HAS_CPU_MIPS32_R1
888	select SYS_SUPPORTS_32BIT_KERNEL
889	select SYS_SUPPORTS_LITTLE_ENDIAN
890	select SWAP_IO_SPACE
891	select BOOT_RAW
892	select GPIOLIB
893	select MIPS_L1_CACHE_SHIFT_4
894	help
895	  Support the Mikrotik(tm) RouterBoard 532 series,
896	  based on the IDT RC32434 SoC.
897
898config CAVIUM_OCTEON_SOC
899	bool "Cavium Networks Octeon SoC based boards"
900	select CEVT_R4K
901	select ARCH_HAS_PHYS_TO_DMA
902	select HAVE_RAPIDIO
903	select PHYS_ADDR_T_64BIT
904	select SYS_SUPPORTS_64BIT_KERNEL
905	select SYS_SUPPORTS_BIG_ENDIAN
906	select EDAC_SUPPORT
907	select EDAC_ATOMIC_SCRUB
908	select SYS_SUPPORTS_LITTLE_ENDIAN
909	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
910	select SYS_HAS_EARLY_PRINTK
911	select SYS_HAS_CPU_CAVIUM_OCTEON
912	select HAVE_PCI
913	select ZONE_DMA32
914	select HOLES_IN_ZONE
915	select GPIOLIB
916	select LIBFDT
917	select USE_OF
918	select ARCH_SPARSEMEM_ENABLE
919	select SYS_SUPPORTS_SMP
920	select NR_CPUS_DEFAULT_64
921	select MIPS_NR_CPU_NR_MAP_1024
922	select BUILTIN_DTB
923	select MTD_COMPLEX_MAPPINGS
924	select SWIOTLB
925	select SYS_SUPPORTS_RELOCATABLE
926	help
927	  This option supports all of the Octeon reference boards from Cavium
928	  Networks. It builds a kernel that dynamically determines the Octeon
929	  CPU type and supports all known board reference implementations.
930	  Some of the supported boards are:
931		EBT3000
932		EBH3000
933		EBH3100
934		Thunder
935		Kodama
936		Hikari
937	  Say Y here for most Octeon reference boards.
938
939config NLM_XLR_BOARD
940	bool "Netlogic XLR/XLS based systems"
941	select BOOT_ELF32
942	select NLM_COMMON
943	select SYS_HAS_CPU_XLR
944	select SYS_SUPPORTS_SMP
945	select HAVE_PCI
946	select SWAP_IO_SPACE
947	select SYS_SUPPORTS_32BIT_KERNEL
948	select SYS_SUPPORTS_64BIT_KERNEL
949	select PHYS_ADDR_T_64BIT
950	select SYS_SUPPORTS_BIG_ENDIAN
951	select SYS_SUPPORTS_HIGHMEM
952	select NR_CPUS_DEFAULT_32
953	select CEVT_R4K
954	select CSRC_R4K
955	select IRQ_MIPS_CPU
956	select ZONE_DMA32 if 64BIT
957	select SYNC_R4K
958	select SYS_HAS_EARLY_PRINTK
959	select SYS_SUPPORTS_ZBOOT
960	select SYS_SUPPORTS_ZBOOT_UART16550
961	help
962	  Support for systems based on Netlogic XLR and XLS processors.
963	  Say Y here if you have a XLR or XLS based board.
964
965config NLM_XLP_BOARD
966	bool "Netlogic XLP based systems"
967	select BOOT_ELF32
968	select NLM_COMMON
969	select SYS_HAS_CPU_XLP
970	select SYS_SUPPORTS_SMP
971	select HAVE_PCI
972	select SYS_SUPPORTS_32BIT_KERNEL
973	select SYS_SUPPORTS_64BIT_KERNEL
974	select PHYS_ADDR_T_64BIT
975	select GPIOLIB
976	select SYS_SUPPORTS_BIG_ENDIAN
977	select SYS_SUPPORTS_LITTLE_ENDIAN
978	select SYS_SUPPORTS_HIGHMEM
979	select NR_CPUS_DEFAULT_32
980	select CEVT_R4K
981	select CSRC_R4K
982	select IRQ_MIPS_CPU
983	select ZONE_DMA32 if 64BIT
984	select SYNC_R4K
985	select SYS_HAS_EARLY_PRINTK
986	select USE_OF
987	select SYS_SUPPORTS_ZBOOT
988	select SYS_SUPPORTS_ZBOOT_UART16550
989	help
990	  This board is based on Netlogic XLP Processor.
991	  Say Y here if you have a XLP based board.
992
993config MIPS_PARAVIRT
994	bool "Para-Virtualized guest system"
995	select CEVT_R4K
996	select CSRC_R4K
997	select SYS_SUPPORTS_64BIT_KERNEL
998	select SYS_SUPPORTS_32BIT_KERNEL
999	select SYS_SUPPORTS_BIG_ENDIAN
1000	select SYS_SUPPORTS_SMP
1001	select NR_CPUS_DEFAULT_4
1002	select SYS_HAS_EARLY_PRINTK
1003	select SYS_HAS_CPU_MIPS32_R2
1004	select SYS_HAS_CPU_MIPS64_R2
1005	select SYS_HAS_CPU_CAVIUM_OCTEON
1006	select HAVE_PCI
1007	select SWAP_IO_SPACE
1008	help
1009	  This option supports guest running under ????
1010
1011endchoice
1012
1013source "arch/mips/alchemy/Kconfig"
1014source "arch/mips/ath25/Kconfig"
1015source "arch/mips/ath79/Kconfig"
1016source "arch/mips/bcm47xx/Kconfig"
1017source "arch/mips/bcm63xx/Kconfig"
1018source "arch/mips/bmips/Kconfig"
1019source "arch/mips/generic/Kconfig"
1020source "arch/mips/jazz/Kconfig"
1021source "arch/mips/jz4740/Kconfig"
1022source "arch/mips/lantiq/Kconfig"
1023source "arch/mips/lasat/Kconfig"
1024source "arch/mips/pic32/Kconfig"
1025source "arch/mips/pistachio/Kconfig"
1026source "arch/mips/pmcs-msp71xx/Kconfig"
1027source "arch/mips/ralink/Kconfig"
1028source "arch/mips/sgi-ip27/Kconfig"
1029source "arch/mips/sibyte/Kconfig"
1030source "arch/mips/txx9/Kconfig"
1031source "arch/mips/vr41xx/Kconfig"
1032source "arch/mips/cavium-octeon/Kconfig"
1033source "arch/mips/loongson32/Kconfig"
1034source "arch/mips/loongson64/Kconfig"
1035source "arch/mips/netlogic/Kconfig"
1036source "arch/mips/paravirt/Kconfig"
1037
1038endmenu
1039
1040config RWSEM_GENERIC_SPINLOCK
1041	bool
1042	default y
1043
1044config RWSEM_XCHGADD_ALGORITHM
1045	bool
1046
1047config GENERIC_HWEIGHT
1048	bool
1049	default y
1050
1051config GENERIC_CALIBRATE_DELAY
1052	bool
1053	default y
1054
1055config SCHED_OMIT_FRAME_POINTER
1056	bool
1057	default y
1058
1059#
1060# Select some configuration options automatically based on user selections.
1061#
1062config FW_ARC
1063	bool
1064
1065config ARCH_MAY_HAVE_PC_FDC
1066	bool
1067
1068config BOOT_RAW
1069	bool
1070
1071config CEVT_BCM1480
1072	bool
1073
1074config CEVT_DS1287
1075	bool
1076
1077config CEVT_GT641XX
1078	bool
1079
1080config CEVT_R4K
1081	bool
1082
1083config CEVT_SB1250
1084	bool
1085
1086config CEVT_TXX9
1087	bool
1088
1089config CSRC_BCM1480
1090	bool
1091
1092config CSRC_IOASIC
1093	bool
1094
1095config CSRC_R4K
1096	bool
1097
1098config CSRC_SB1250
1099	bool
1100
1101config MIPS_CLOCK_VSYSCALL
1102	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1103
1104config GPIO_TXX9
1105	select GPIOLIB
1106	bool
1107
1108config FW_CFE
1109	bool
1110
1111config ARCH_SUPPORTS_UPROBES
1112	bool
1113
1114config DMA_MAYBE_COHERENT
1115	select ARCH_HAS_DMA_COHERENCE_H
1116	select DMA_NONCOHERENT
1117	bool
1118
1119config DMA_PERDEV_COHERENT
1120	bool
1121	select ARCH_HAS_SETUP_DMA_OPS
1122	select DMA_NONCOHERENT
1123
1124config DMA_NONCOHERENT
1125	bool
1126	select ARCH_HAS_DMA_MMAP_PGPROT
1127	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1128	select NEED_DMA_MAP_STATE
1129	select ARCH_HAS_DMA_COHERENT_TO_PFN
1130	select DMA_NONCOHERENT_CACHE_SYNC
1131
1132config SYS_HAS_EARLY_PRINTK
1133	bool
1134
1135config SYS_SUPPORTS_HOTPLUG_CPU
1136	bool
1137
1138config MIPS_BONITO64
1139	bool
1140
1141config MIPS_MSC
1142	bool
1143
1144config MIPS_NILE4
1145	bool
1146
1147config SYNC_R4K
1148	bool
1149
1150config MIPS_MACHINE
1151	def_bool n
1152
1153config NO_IOPORT_MAP
1154	def_bool n
1155
1156config GENERIC_CSUM
1157	bool
1158	default y if !CPU_HAS_LOAD_STORE_LR
1159
1160config GENERIC_ISA_DMA
1161	bool
1162	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1163	select ISA_DMA_API
1164
1165config GENERIC_ISA_DMA_SUPPORT_BROKEN
1166	bool
1167	select GENERIC_ISA_DMA
1168
1169config ISA_DMA_API
1170	bool
1171
1172config HOLES_IN_ZONE
1173	bool
1174
1175config SYS_SUPPORTS_RELOCATABLE
1176	bool
1177	help
1178	 Selected if the platform supports relocating the kernel.
1179	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1180	 to allow access to command line and entropy sources.
1181
1182config MIPS_CBPF_JIT
1183	def_bool y
1184	depends on BPF_JIT && HAVE_CBPF_JIT
1185
1186config MIPS_EBPF_JIT
1187	def_bool y
1188	depends on BPF_JIT && HAVE_EBPF_JIT
1189
1190
1191#
1192# Endianness selection.  Sufficiently obscure so many users don't know what to
1193# answer,so we try hard to limit the available choices.  Also the use of a
1194# choice statement should be more obvious to the user.
1195#
1196choice
1197	prompt "Endianness selection"
1198	help
1199	  Some MIPS machines can be configured for either little or big endian
1200	  byte order. These modes require different kernels and a different
1201	  Linux distribution.  In general there is one preferred byteorder for a
1202	  particular system but some systems are just as commonly used in the
1203	  one or the other endianness.
1204
1205config CPU_BIG_ENDIAN
1206	bool "Big endian"
1207	depends on SYS_SUPPORTS_BIG_ENDIAN
1208
1209config CPU_LITTLE_ENDIAN
1210	bool "Little endian"
1211	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1212
1213endchoice
1214
1215config EXPORT_UASM
1216	bool
1217
1218config SYS_SUPPORTS_APM_EMULATION
1219	bool
1220
1221config SYS_SUPPORTS_BIG_ENDIAN
1222	bool
1223
1224config SYS_SUPPORTS_LITTLE_ENDIAN
1225	bool
1226
1227config SYS_SUPPORTS_HUGETLBFS
1228	bool
1229	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1230	default y
1231
1232config MIPS_HUGE_TLB_SUPPORT
1233	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1234
1235config IRQ_CPU_RM7K
1236	bool
1237
1238config IRQ_MSP_SLP
1239	bool
1240
1241config IRQ_MSP_CIC
1242	bool
1243
1244config IRQ_TXX9
1245	bool
1246
1247config IRQ_GT641XX
1248	bool
1249
1250config PCI_GT64XXX_PCI0
1251	bool
1252
1253config NO_EXCEPT_FILL
1254	bool
1255
1256config SOC_EMMA2RH
1257	bool
1258	select CEVT_R4K
1259	select CSRC_R4K
1260	select DMA_NONCOHERENT
1261	select IRQ_MIPS_CPU
1262	select SWAP_IO_SPACE
1263	select SYS_HAS_CPU_R5500
1264	select SYS_SUPPORTS_32BIT_KERNEL
1265	select SYS_SUPPORTS_64BIT_KERNEL
1266	select SYS_SUPPORTS_BIG_ENDIAN
1267
1268config SOC_PNX833X
1269	bool
1270	select CEVT_R4K
1271	select CSRC_R4K
1272	select IRQ_MIPS_CPU
1273	select DMA_NONCOHERENT
1274	select SYS_HAS_CPU_MIPS32_R2
1275	select SYS_SUPPORTS_32BIT_KERNEL
1276	select SYS_SUPPORTS_LITTLE_ENDIAN
1277	select SYS_SUPPORTS_BIG_ENDIAN
1278	select SYS_SUPPORTS_MIPS16
1279	select CPU_MIPSR2_IRQ_VI
1280
1281config SOC_PNX8335
1282	bool
1283	select SOC_PNX833X
1284
1285config MIPS_SPRAM
1286	bool
1287
1288config SWAP_IO_SPACE
1289	bool
1290
1291config SGI_HAS_INDYDOG
1292	bool
1293
1294config SGI_HAS_HAL2
1295	bool
1296
1297config SGI_HAS_SEEQ
1298	bool
1299
1300config SGI_HAS_WD93
1301	bool
1302
1303config SGI_HAS_ZILOG
1304	bool
1305
1306config SGI_HAS_I8042
1307	bool
1308
1309config DEFAULT_SGI_PARTITION
1310	bool
1311
1312config FW_ARC32
1313	bool
1314
1315config FW_SNIPROM
1316	bool
1317
1318config BOOT_ELF32
1319	bool
1320
1321config MIPS_L1_CACHE_SHIFT_4
1322	bool
1323
1324config MIPS_L1_CACHE_SHIFT_5
1325	bool
1326
1327config MIPS_L1_CACHE_SHIFT_6
1328	bool
1329
1330config MIPS_L1_CACHE_SHIFT_7
1331	bool
1332
1333config MIPS_L1_CACHE_SHIFT
1334	int
1335	default "7" if MIPS_L1_CACHE_SHIFT_7
1336	default "6" if MIPS_L1_CACHE_SHIFT_6
1337	default "5" if MIPS_L1_CACHE_SHIFT_5
1338	default "4" if MIPS_L1_CACHE_SHIFT_4
1339	default "5"
1340
1341config HAVE_STD_PC_SERIAL_PORT
1342	bool
1343
1344config ARC_CONSOLE
1345	bool "ARC console support"
1346	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1347
1348config ARC_MEMORY
1349	bool
1350	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1351	default y
1352
1353config ARC_PROMLIB
1354	bool
1355	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1356	default y
1357
1358config FW_ARC64
1359	bool
1360
1361config BOOT_ELF64
1362	bool
1363
1364menu "CPU selection"
1365
1366choice
1367	prompt "CPU type"
1368	default CPU_R4X00
1369
1370config CPU_LOONGSON3
1371	bool "Loongson 3 CPU"
1372	depends on SYS_HAS_CPU_LOONGSON3
1373	select ARCH_HAS_PHYS_TO_DMA
1374	select CPU_SUPPORTS_64BIT_KERNEL
1375	select CPU_SUPPORTS_HIGHMEM
1376	select CPU_SUPPORTS_HUGEPAGES
1377	select CPU_HAS_LOAD_STORE_LR
1378	select WEAK_ORDERING
1379	select WEAK_REORDERING_BEYOND_LLSC
1380	select MIPS_PGD_C0_CONTEXT
1381	select MIPS_L1_CACHE_SHIFT_6
1382	select GPIOLIB
1383	select SWIOTLB
1384	help
1385		The Loongson 3 processor implements the MIPS64R2 instruction
1386		set with many extensions.
1387
1388config LOONGSON3_ENHANCEMENT
1389	bool "New Loongson 3 CPU Enhancements"
1390	default n
1391	select CPU_MIPSR2
1392	select CPU_HAS_PREFETCH
1393	depends on CPU_LOONGSON3
1394	help
1395	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1396	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1397	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1398	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1399	  Fast TLB refill support, etc.
1400
1401	  This option enable those enhancements which are not probed at run
1402	  time. If you want a generic kernel to run on all Loongson 3 machines,
1403	  please say 'N' here. If you want a high-performance kernel to run on
1404	  new Loongson 3 machines only, please say 'Y' here.
1405
1406config CPU_LOONGSON3_WORKAROUNDS
1407	bool "Old Loongson 3 LLSC Workarounds"
1408	default y if SMP
1409	depends on CPU_LOONGSON3
1410	help
1411	  Loongson 3 processors have the llsc issues which require workarounds.
1412	  Without workarounds the system may hang unexpectedly.
1413
1414	  Newer Loongson 3 will fix these issues and no workarounds are needed.
1415	  The workarounds have no significant side effect on them but may
1416	  decrease the performance of the system so this option should be
1417	  disabled unless the kernel is intended to be run on old systems.
1418
1419	  If unsure, please say Y.
1420
1421config CPU_LOONGSON2E
1422	bool "Loongson 2E"
1423	depends on SYS_HAS_CPU_LOONGSON2E
1424	select CPU_LOONGSON2
1425	help
1426	  The Loongson 2E processor implements the MIPS III instruction set
1427	  with many extensions.
1428
1429	  It has an internal FPGA northbridge, which is compatible to
1430	  bonito64.
1431
1432config CPU_LOONGSON2F
1433	bool "Loongson 2F"
1434	depends on SYS_HAS_CPU_LOONGSON2F
1435	select CPU_LOONGSON2
1436	select GPIOLIB
1437	help
1438	  The Loongson 2F processor implements the MIPS III instruction set
1439	  with many extensions.
1440
1441	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1442	  have a similar programming interface with FPGA northbridge used in
1443	  Loongson2E.
1444
1445config CPU_LOONGSON1B
1446	bool "Loongson 1B"
1447	depends on SYS_HAS_CPU_LOONGSON1B
1448	select CPU_LOONGSON1
1449	select LEDS_GPIO_REGISTER
1450	help
1451	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1452	  Release 1 instruction set and part of the MIPS32 Release 2
1453	  instruction set.
1454
1455config CPU_LOONGSON1C
1456	bool "Loongson 1C"
1457	depends on SYS_HAS_CPU_LOONGSON1C
1458	select CPU_LOONGSON1
1459	select LEDS_GPIO_REGISTER
1460	help
1461	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1462	  Release 1 instruction set and part of the MIPS32 Release 2
1463	  instruction set.
1464
1465config CPU_MIPS32_R1
1466	bool "MIPS32 Release 1"
1467	depends on SYS_HAS_CPU_MIPS32_R1
1468	select CPU_HAS_PREFETCH
1469	select CPU_HAS_LOAD_STORE_LR
1470	select CPU_SUPPORTS_32BIT_KERNEL
1471	select CPU_SUPPORTS_HIGHMEM
1472	help
1473	  Choose this option to build a kernel for release 1 or later of the
1474	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1475	  MIPS processor are based on a MIPS32 processor.  If you know the
1476	  specific type of processor in your system, choose those that one
1477	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1478	  Release 2 of the MIPS32 architecture is available since several
1479	  years so chances are you even have a MIPS32 Release 2 processor
1480	  in which case you should choose CPU_MIPS32_R2 instead for better
1481	  performance.
1482
1483config CPU_MIPS32_R2
1484	bool "MIPS32 Release 2"
1485	depends on SYS_HAS_CPU_MIPS32_R2
1486	select CPU_HAS_PREFETCH
1487	select CPU_HAS_LOAD_STORE_LR
1488	select CPU_SUPPORTS_32BIT_KERNEL
1489	select CPU_SUPPORTS_HIGHMEM
1490	select CPU_SUPPORTS_MSA
1491	select HAVE_KVM
1492	help
1493	  Choose this option to build a kernel for release 2 or later of the
1494	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1495	  MIPS processor are based on a MIPS32 processor.  If you know the
1496	  specific type of processor in your system, choose those that one
1497	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1498
1499config CPU_MIPS32_R6
1500	bool "MIPS32 Release 6"
1501	depends on SYS_HAS_CPU_MIPS32_R6
1502	select CPU_HAS_PREFETCH
1503	select CPU_SUPPORTS_32BIT_KERNEL
1504	select CPU_SUPPORTS_HIGHMEM
1505	select CPU_SUPPORTS_MSA
1506	select HAVE_KVM
1507	select MIPS_O32_FP64_SUPPORT
1508	help
1509	  Choose this option to build a kernel for release 6 or later of the
1510	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1511	  family, are based on a MIPS32r6 processor. If you own an older
1512	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1513
1514config CPU_MIPS64_R1
1515	bool "MIPS64 Release 1"
1516	depends on SYS_HAS_CPU_MIPS64_R1
1517	select CPU_HAS_PREFETCH
1518	select CPU_HAS_LOAD_STORE_LR
1519	select CPU_SUPPORTS_32BIT_KERNEL
1520	select CPU_SUPPORTS_64BIT_KERNEL
1521	select CPU_SUPPORTS_HIGHMEM
1522	select CPU_SUPPORTS_HUGEPAGES
1523	help
1524	  Choose this option to build a kernel for release 1 or later of the
1525	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1526	  MIPS processor are based on a MIPS64 processor.  If you know the
1527	  specific type of processor in your system, choose those that one
1528	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1529	  Release 2 of the MIPS64 architecture is available since several
1530	  years so chances are you even have a MIPS64 Release 2 processor
1531	  in which case you should choose CPU_MIPS64_R2 instead for better
1532	  performance.
1533
1534config CPU_MIPS64_R2
1535	bool "MIPS64 Release 2"
1536	depends on SYS_HAS_CPU_MIPS64_R2
1537	select CPU_HAS_PREFETCH
1538	select CPU_HAS_LOAD_STORE_LR
1539	select CPU_SUPPORTS_32BIT_KERNEL
1540	select CPU_SUPPORTS_64BIT_KERNEL
1541	select CPU_SUPPORTS_HIGHMEM
1542	select CPU_SUPPORTS_HUGEPAGES
1543	select CPU_SUPPORTS_MSA
1544	select HAVE_KVM
1545	help
1546	  Choose this option to build a kernel for release 2 or later of the
1547	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1548	  MIPS processor are based on a MIPS64 processor.  If you know the
1549	  specific type of processor in your system, choose those that one
1550	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1551
1552config CPU_MIPS64_R6
1553	bool "MIPS64 Release 6"
1554	depends on SYS_HAS_CPU_MIPS64_R6
1555	select CPU_HAS_PREFETCH
1556	select CPU_SUPPORTS_32BIT_KERNEL
1557	select CPU_SUPPORTS_64BIT_KERNEL
1558	select CPU_SUPPORTS_HIGHMEM
1559	select CPU_SUPPORTS_HUGEPAGES
1560	select CPU_SUPPORTS_MSA
1561	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1562	select HAVE_KVM
1563	help
1564	  Choose this option to build a kernel for release 6 or later of the
1565	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1566	  family, are based on a MIPS64r6 processor. If you own an older
1567	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1568
1569config CPU_R3000
1570	bool "R3000"
1571	depends on SYS_HAS_CPU_R3000
1572	select CPU_HAS_WB
1573	select CPU_HAS_LOAD_STORE_LR
1574	select CPU_SUPPORTS_32BIT_KERNEL
1575	select CPU_SUPPORTS_HIGHMEM
1576	help
1577	  Please make sure to pick the right CPU type. Linux/MIPS is not
1578	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1579	  *not* work on R4000 machines and vice versa.  However, since most
1580	  of the supported machines have an R4000 (or similar) CPU, R4x00
1581	  might be a safe bet.  If the resulting kernel does not work,
1582	  try to recompile with R3000.
1583
1584config CPU_TX39XX
1585	bool "R39XX"
1586	depends on SYS_HAS_CPU_TX39XX
1587	select CPU_SUPPORTS_32BIT_KERNEL
1588	select CPU_HAS_LOAD_STORE_LR
1589
1590config CPU_VR41XX
1591	bool "R41xx"
1592	depends on SYS_HAS_CPU_VR41XX
1593	select CPU_SUPPORTS_32BIT_KERNEL
1594	select CPU_SUPPORTS_64BIT_KERNEL
1595	select CPU_HAS_LOAD_STORE_LR
1596	help
1597	  The options selects support for the NEC VR4100 series of processors.
1598	  Only choose this option if you have one of these processors as a
1599	  kernel built with this option will not run on any other type of
1600	  processor or vice versa.
1601
1602config CPU_R4300
1603	bool "R4300"
1604	depends on SYS_HAS_CPU_R4300
1605	select CPU_SUPPORTS_32BIT_KERNEL
1606	select CPU_SUPPORTS_64BIT_KERNEL
1607	select CPU_HAS_LOAD_STORE_LR
1608	help
1609	  MIPS Technologies R4300-series processors.
1610
1611config CPU_R4X00
1612	bool "R4x00"
1613	depends on SYS_HAS_CPU_R4X00
1614	select CPU_SUPPORTS_32BIT_KERNEL
1615	select CPU_SUPPORTS_64BIT_KERNEL
1616	select CPU_SUPPORTS_HUGEPAGES
1617	select CPU_HAS_LOAD_STORE_LR
1618	help
1619	  MIPS Technologies R4000-series processors other than 4300, including
1620	  the R4000, R4400, R4600, and 4700.
1621
1622config CPU_TX49XX
1623	bool "R49XX"
1624	depends on SYS_HAS_CPU_TX49XX
1625	select CPU_HAS_PREFETCH
1626	select CPU_HAS_LOAD_STORE_LR
1627	select CPU_SUPPORTS_32BIT_KERNEL
1628	select CPU_SUPPORTS_64BIT_KERNEL
1629	select CPU_SUPPORTS_HUGEPAGES
1630
1631config CPU_R5000
1632	bool "R5000"
1633	depends on SYS_HAS_CPU_R5000
1634	select CPU_SUPPORTS_32BIT_KERNEL
1635	select CPU_SUPPORTS_64BIT_KERNEL
1636	select CPU_SUPPORTS_HUGEPAGES
1637	select CPU_HAS_LOAD_STORE_LR
1638	help
1639	  MIPS Technologies R5000-series processors other than the Nevada.
1640
1641config CPU_R5432
1642	bool "R5432"
1643	depends on SYS_HAS_CPU_R5432
1644	select CPU_SUPPORTS_32BIT_KERNEL
1645	select CPU_SUPPORTS_64BIT_KERNEL
1646	select CPU_SUPPORTS_HUGEPAGES
1647	select CPU_HAS_LOAD_STORE_LR
1648
1649config CPU_R5500
1650	bool "R5500"
1651	depends on SYS_HAS_CPU_R5500
1652	select CPU_SUPPORTS_32BIT_KERNEL
1653	select CPU_SUPPORTS_64BIT_KERNEL
1654	select CPU_SUPPORTS_HUGEPAGES
1655	select CPU_HAS_LOAD_STORE_LR
1656	help
1657	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1658	  instruction set.
1659
1660config CPU_NEVADA
1661	bool "RM52xx"
1662	depends on SYS_HAS_CPU_NEVADA
1663	select CPU_SUPPORTS_32BIT_KERNEL
1664	select CPU_SUPPORTS_64BIT_KERNEL
1665	select CPU_SUPPORTS_HUGEPAGES
1666	select CPU_HAS_LOAD_STORE_LR
1667	help
1668	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1669
1670config CPU_R8000
1671	bool "R8000"
1672	depends on SYS_HAS_CPU_R8000
1673	select CPU_HAS_PREFETCH
1674	select CPU_HAS_LOAD_STORE_LR
1675	select CPU_SUPPORTS_64BIT_KERNEL
1676	help
1677	  MIPS Technologies R8000 processors.  Note these processors are
1678	  uncommon and the support for them is incomplete.
1679
1680config CPU_R10000
1681	bool "R10000"
1682	depends on SYS_HAS_CPU_R10000
1683	select CPU_HAS_PREFETCH
1684	select CPU_HAS_LOAD_STORE_LR
1685	select CPU_SUPPORTS_32BIT_KERNEL
1686	select CPU_SUPPORTS_64BIT_KERNEL
1687	select CPU_SUPPORTS_HIGHMEM
1688	select CPU_SUPPORTS_HUGEPAGES
1689	help
1690	  MIPS Technologies R10000-series processors.
1691
1692config CPU_RM7000
1693	bool "RM7000"
1694	depends on SYS_HAS_CPU_RM7000
1695	select CPU_HAS_PREFETCH
1696	select CPU_HAS_LOAD_STORE_LR
1697	select CPU_SUPPORTS_32BIT_KERNEL
1698	select CPU_SUPPORTS_64BIT_KERNEL
1699	select CPU_SUPPORTS_HIGHMEM
1700	select CPU_SUPPORTS_HUGEPAGES
1701
1702config CPU_SB1
1703	bool "SB1"
1704	depends on SYS_HAS_CPU_SB1
1705	select CPU_HAS_LOAD_STORE_LR
1706	select CPU_SUPPORTS_32BIT_KERNEL
1707	select CPU_SUPPORTS_64BIT_KERNEL
1708	select CPU_SUPPORTS_HIGHMEM
1709	select CPU_SUPPORTS_HUGEPAGES
1710	select WEAK_ORDERING
1711
1712config CPU_CAVIUM_OCTEON
1713	bool "Cavium Octeon processor"
1714	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1715	select CPU_HAS_PREFETCH
1716	select CPU_HAS_LOAD_STORE_LR
1717	select CPU_SUPPORTS_64BIT_KERNEL
1718	select WEAK_ORDERING
1719	select CPU_SUPPORTS_HIGHMEM
1720	select CPU_SUPPORTS_HUGEPAGES
1721	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1722	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1723	select MIPS_L1_CACHE_SHIFT_7
1724	select HAVE_KVM
1725	help
1726	  The Cavium Octeon processor is a highly integrated chip containing
1727	  many ethernet hardware widgets for networking tasks. The processor
1728	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1729	  Full details can be found at http://www.caviumnetworks.com.
1730
1731config CPU_BMIPS
1732	bool "Broadcom BMIPS"
1733	depends on SYS_HAS_CPU_BMIPS
1734	select CPU_MIPS32
1735	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1736	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1737	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1738	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1739	select CPU_SUPPORTS_32BIT_KERNEL
1740	select DMA_NONCOHERENT
1741	select IRQ_MIPS_CPU
1742	select SWAP_IO_SPACE
1743	select WEAK_ORDERING
1744	select CPU_SUPPORTS_HIGHMEM
1745	select CPU_HAS_PREFETCH
1746	select CPU_HAS_LOAD_STORE_LR
1747	select CPU_SUPPORTS_CPUFREQ
1748	select MIPS_EXTERNAL_TIMER
1749	help
1750	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1751
1752config CPU_XLR
1753	bool "Netlogic XLR SoC"
1754	depends on SYS_HAS_CPU_XLR
1755	select CPU_HAS_LOAD_STORE_LR
1756	select CPU_SUPPORTS_32BIT_KERNEL
1757	select CPU_SUPPORTS_64BIT_KERNEL
1758	select CPU_SUPPORTS_HIGHMEM
1759	select CPU_SUPPORTS_HUGEPAGES
1760	select WEAK_ORDERING
1761	select WEAK_REORDERING_BEYOND_LLSC
1762	help
1763	  Netlogic Microsystems XLR/XLS processors.
1764
1765config CPU_XLP
1766	bool "Netlogic XLP SoC"
1767	depends on SYS_HAS_CPU_XLP
1768	select CPU_SUPPORTS_32BIT_KERNEL
1769	select CPU_SUPPORTS_64BIT_KERNEL
1770	select CPU_SUPPORTS_HIGHMEM
1771	select WEAK_ORDERING
1772	select WEAK_REORDERING_BEYOND_LLSC
1773	select CPU_HAS_PREFETCH
1774	select CPU_HAS_LOAD_STORE_LR
1775	select CPU_MIPSR2
1776	select CPU_SUPPORTS_HUGEPAGES
1777	select MIPS_ASID_BITS_VARIABLE
1778	help
1779	  Netlogic Microsystems XLP processors.
1780endchoice
1781
1782config CPU_MIPS32_3_5_FEATURES
1783	bool "MIPS32 Release 3.5 Features"
1784	depends on SYS_HAS_CPU_MIPS32_R3_5
1785	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1786	help
1787	  Choose this option to build a kernel for release 2 or later of the
1788	  MIPS32 architecture including features from the 3.5 release such as
1789	  support for Enhanced Virtual Addressing (EVA).
1790
1791config CPU_MIPS32_3_5_EVA
1792	bool "Enhanced Virtual Addressing (EVA)"
1793	depends on CPU_MIPS32_3_5_FEATURES
1794	select EVA
1795	default y
1796	help
1797	  Choose this option if you want to enable the Enhanced Virtual
1798	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1799	  One of its primary benefits is an increase in the maximum size
1800	  of lowmem (up to 3GB). If unsure, say 'N' here.
1801
1802config CPU_MIPS32_R5_FEATURES
1803	bool "MIPS32 Release 5 Features"
1804	depends on SYS_HAS_CPU_MIPS32_R5
1805	depends on CPU_MIPS32_R2
1806	help
1807	  Choose this option to build a kernel for release 2 or later of the
1808	  MIPS32 architecture including features from release 5 such as
1809	  support for Extended Physical Addressing (XPA).
1810
1811config CPU_MIPS32_R5_XPA
1812	bool "Extended Physical Addressing (XPA)"
1813	depends on CPU_MIPS32_R5_FEATURES
1814	depends on !EVA
1815	depends on !PAGE_SIZE_4KB
1816	depends on SYS_SUPPORTS_HIGHMEM
1817	select XPA
1818	select HIGHMEM
1819	select PHYS_ADDR_T_64BIT
1820	default n
1821	help
1822	  Choose this option if you want to enable the Extended Physical
1823	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1824	  benefit is to increase physical addressing equal to or greater
1825	  than 40 bits. Note that this has the side effect of turning on
1826	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1827	  If unsure, say 'N' here.
1828
1829if CPU_LOONGSON2F
1830config CPU_NOP_WORKAROUNDS
1831	bool
1832
1833config CPU_JUMP_WORKAROUNDS
1834	bool
1835
1836config CPU_LOONGSON2F_WORKAROUNDS
1837	bool "Loongson 2F Workarounds"
1838	default y
1839	select CPU_NOP_WORKAROUNDS
1840	select CPU_JUMP_WORKAROUNDS
1841	help
1842	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1843	  require workarounds.  Without workarounds the system may hang
1844	  unexpectedly.  For more information please refer to the gas
1845	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1846
1847	  Loongson 2F03 and later have fixed these issues and no workarounds
1848	  are needed.  The workarounds have no significant side effect on them
1849	  but may decrease the performance of the system so this option should
1850	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1851	  systems.
1852
1853	  If unsure, please say Y.
1854endif # CPU_LOONGSON2F
1855
1856config SYS_SUPPORTS_ZBOOT
1857	bool
1858	select HAVE_KERNEL_GZIP
1859	select HAVE_KERNEL_BZIP2
1860	select HAVE_KERNEL_LZ4
1861	select HAVE_KERNEL_LZMA
1862	select HAVE_KERNEL_LZO
1863	select HAVE_KERNEL_XZ
1864
1865config SYS_SUPPORTS_ZBOOT_UART16550
1866	bool
1867	select SYS_SUPPORTS_ZBOOT
1868
1869config SYS_SUPPORTS_ZBOOT_UART_PROM
1870	bool
1871	select SYS_SUPPORTS_ZBOOT
1872
1873config CPU_LOONGSON2
1874	bool
1875	select CPU_SUPPORTS_32BIT_KERNEL
1876	select CPU_SUPPORTS_64BIT_KERNEL
1877	select CPU_SUPPORTS_HIGHMEM
1878	select CPU_SUPPORTS_HUGEPAGES
1879	select ARCH_HAS_PHYS_TO_DMA
1880	select CPU_HAS_LOAD_STORE_LR
1881
1882config CPU_LOONGSON1
1883	bool
1884	select CPU_MIPS32
1885	select CPU_MIPSR2
1886	select CPU_HAS_PREFETCH
1887	select CPU_HAS_LOAD_STORE_LR
1888	select CPU_SUPPORTS_32BIT_KERNEL
1889	select CPU_SUPPORTS_HIGHMEM
1890	select CPU_SUPPORTS_CPUFREQ
1891
1892config CPU_BMIPS32_3300
1893	select SMP_UP if SMP
1894	bool
1895
1896config CPU_BMIPS4350
1897	bool
1898	select SYS_SUPPORTS_SMP
1899	select SYS_SUPPORTS_HOTPLUG_CPU
1900
1901config CPU_BMIPS4380
1902	bool
1903	select MIPS_L1_CACHE_SHIFT_6
1904	select SYS_SUPPORTS_SMP
1905	select SYS_SUPPORTS_HOTPLUG_CPU
1906	select CPU_HAS_RIXI
1907
1908config CPU_BMIPS5000
1909	bool
1910	select MIPS_CPU_SCACHE
1911	select MIPS_L1_CACHE_SHIFT_7
1912	select SYS_SUPPORTS_SMP
1913	select SYS_SUPPORTS_HOTPLUG_CPU
1914	select CPU_HAS_RIXI
1915
1916config SYS_HAS_CPU_LOONGSON3
1917	bool
1918	select CPU_SUPPORTS_CPUFREQ
1919	select CPU_HAS_RIXI
1920
1921config SYS_HAS_CPU_LOONGSON2E
1922	bool
1923
1924config SYS_HAS_CPU_LOONGSON2F
1925	bool
1926	select CPU_SUPPORTS_CPUFREQ
1927	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1928	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1929
1930config SYS_HAS_CPU_LOONGSON1B
1931	bool
1932
1933config SYS_HAS_CPU_LOONGSON1C
1934	bool
1935
1936config SYS_HAS_CPU_MIPS32_R1
1937	bool
1938
1939config SYS_HAS_CPU_MIPS32_R2
1940	bool
1941
1942config SYS_HAS_CPU_MIPS32_R3_5
1943	bool
1944
1945config SYS_HAS_CPU_MIPS32_R5
1946	bool
1947	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1948
1949config SYS_HAS_CPU_MIPS32_R6
1950	bool
1951	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1952
1953config SYS_HAS_CPU_MIPS64_R1
1954	bool
1955
1956config SYS_HAS_CPU_MIPS64_R2
1957	bool
1958
1959config SYS_HAS_CPU_MIPS64_R6
1960	bool
1961	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1962
1963config SYS_HAS_CPU_R3000
1964	bool
1965
1966config SYS_HAS_CPU_TX39XX
1967	bool
1968
1969config SYS_HAS_CPU_VR41XX
1970	bool
1971
1972config SYS_HAS_CPU_R4300
1973	bool
1974
1975config SYS_HAS_CPU_R4X00
1976	bool
1977
1978config SYS_HAS_CPU_TX49XX
1979	bool
1980
1981config SYS_HAS_CPU_R5000
1982	bool
1983
1984config SYS_HAS_CPU_R5432
1985	bool
1986
1987config SYS_HAS_CPU_R5500
1988	bool
1989
1990config SYS_HAS_CPU_NEVADA
1991	bool
1992
1993config SYS_HAS_CPU_R8000
1994	bool
1995
1996config SYS_HAS_CPU_R10000
1997	bool
1998	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1999
2000config SYS_HAS_CPU_RM7000
2001	bool
2002
2003config SYS_HAS_CPU_SB1
2004	bool
2005
2006config SYS_HAS_CPU_CAVIUM_OCTEON
2007	bool
2008
2009config SYS_HAS_CPU_BMIPS
2010	bool
2011
2012config SYS_HAS_CPU_BMIPS32_3300
2013	bool
2014	select SYS_HAS_CPU_BMIPS
2015
2016config SYS_HAS_CPU_BMIPS4350
2017	bool
2018	select SYS_HAS_CPU_BMIPS
2019
2020config SYS_HAS_CPU_BMIPS4380
2021	bool
2022	select SYS_HAS_CPU_BMIPS
2023
2024config SYS_HAS_CPU_BMIPS5000
2025	bool
2026	select SYS_HAS_CPU_BMIPS
2027	select ARCH_HAS_SYNC_DMA_FOR_CPU
2028
2029config SYS_HAS_CPU_XLR
2030	bool
2031
2032config SYS_HAS_CPU_XLP
2033	bool
2034
2035#
2036# CPU may reorder R->R, R->W, W->R, W->W
2037# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2038#
2039config WEAK_ORDERING
2040	bool
2041
2042#
2043# CPU may reorder reads and writes beyond LL/SC
2044# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2045#
2046config WEAK_REORDERING_BEYOND_LLSC
2047	bool
2048endmenu
2049
2050#
2051# These two indicate any level of the MIPS32 and MIPS64 architecture
2052#
2053config CPU_MIPS32
2054	bool
2055	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2056
2057config CPU_MIPS64
2058	bool
2059	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2060
2061#
2062# These indicate the revision of the architecture
2063#
2064config CPU_MIPSR1
2065	bool
2066	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2067
2068config CPU_MIPSR2
2069	bool
2070	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2071	select CPU_HAS_RIXI
2072	select MIPS_SPRAM
2073
2074config CPU_MIPSR6
2075	bool
2076	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2077	select CPU_HAS_RIXI
2078	select HAVE_ARCH_BITREVERSE
2079	select MIPS_ASID_BITS_VARIABLE
2080	select MIPS_CRC_SUPPORT
2081	select MIPS_SPRAM
2082
2083config TARGET_ISA_REV
2084	int
2085	default 1 if CPU_MIPSR1
2086	default 2 if CPU_MIPSR2
2087	default 6 if CPU_MIPSR6
2088	default 0
2089	help
2090	  Reflects the ISA revision being targeted by the kernel build. This
2091	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2092
2093config EVA
2094	bool
2095
2096config XPA
2097	bool
2098
2099config SYS_SUPPORTS_32BIT_KERNEL
2100	bool
2101config SYS_SUPPORTS_64BIT_KERNEL
2102	bool
2103config CPU_SUPPORTS_32BIT_KERNEL
2104	bool
2105config CPU_SUPPORTS_64BIT_KERNEL
2106	bool
2107config CPU_SUPPORTS_CPUFREQ
2108	bool
2109config CPU_SUPPORTS_ADDRWINCFG
2110	bool
2111config CPU_SUPPORTS_HUGEPAGES
2112	bool
2113config CPU_SUPPORTS_UNCACHED_ACCELERATED
2114	bool
2115config MIPS_PGD_C0_CONTEXT
2116	bool
2117	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2118
2119#
2120# Set to y for ptrace access to watch registers.
2121#
2122config HARDWARE_WATCHPOINTS
2123       bool
2124       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2125
2126menu "Kernel type"
2127
2128choice
2129	prompt "Kernel code model"
2130	help
2131	  You should only select this option if you have a workload that
2132	  actually benefits from 64-bit processing or if your machine has
2133	  large memory.  You will only be presented a single option in this
2134	  menu if your system does not support both 32-bit and 64-bit kernels.
2135
2136config 32BIT
2137	bool "32-bit kernel"
2138	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2139	select TRAD_SIGNALS
2140	help
2141	  Select this option if you want to build a 32-bit kernel.
2142
2143config 64BIT
2144	bool "64-bit kernel"
2145	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2146	help
2147	  Select this option if you want to build a 64-bit kernel.
2148
2149endchoice
2150
2151config KVM_GUEST
2152	bool "KVM Guest Kernel"
2153	depends on BROKEN_ON_SMP
2154	help
2155	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2156	  mode.
2157
2158config KVM_GUEST_TIMER_FREQ
2159	int "Count/Compare Timer Frequency (MHz)"
2160	depends on KVM_GUEST
2161	default 100
2162	help
2163	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2164	  emulation when determining guest CPU Frequency. Instead, the guest's
2165	  timer frequency is specified directly.
2166
2167config MIPS_VA_BITS_48
2168	bool "48 bits virtual memory"
2169	depends on 64BIT
2170	help
2171	  Support a maximum at least 48 bits of application virtual
2172	  memory.  Default is 40 bits or less, depending on the CPU.
2173	  For page sizes 16k and above, this option results in a small
2174	  memory overhead for page tables.  For 4k page size, a fourth
2175	  level of page tables is added which imposes both a memory
2176	  overhead as well as slower TLB fault handling.
2177
2178	  If unsure, say N.
2179
2180choice
2181	prompt "Kernel page size"
2182	default PAGE_SIZE_4KB
2183
2184config PAGE_SIZE_4KB
2185	bool "4kB"
2186	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2187	help
2188	 This option select the standard 4kB Linux page size.  On some
2189	 R3000-family processors this is the only available page size.  Using
2190	 4kB page size will minimize memory consumption and is therefore
2191	 recommended for low memory systems.
2192
2193config PAGE_SIZE_8KB
2194	bool "8kB"
2195	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2196	depends on !MIPS_VA_BITS_48
2197	help
2198	  Using 8kB page size will result in higher performance kernel at
2199	  the price of higher memory consumption.  This option is available
2200	  only on R8000 and cnMIPS processors.  Note that you will need a
2201	  suitable Linux distribution to support this.
2202
2203config PAGE_SIZE_16KB
2204	bool "16kB"
2205	depends on !CPU_R3000 && !CPU_TX39XX
2206	help
2207	  Using 16kB page size will result in higher performance kernel at
2208	  the price of higher memory consumption.  This option is available on
2209	  all non-R3000 family processors.  Note that you will need a suitable
2210	  Linux distribution to support this.
2211
2212config PAGE_SIZE_32KB
2213	bool "32kB"
2214	depends on CPU_CAVIUM_OCTEON
2215	depends on !MIPS_VA_BITS_48
2216	help
2217	  Using 32kB page size will result in higher performance kernel at
2218	  the price of higher memory consumption.  This option is available
2219	  only on cnMIPS cores.  Note that you will need a suitable Linux
2220	  distribution to support this.
2221
2222config PAGE_SIZE_64KB
2223	bool "64kB"
2224	depends on !CPU_R3000 && !CPU_TX39XX
2225	help
2226	  Using 64kB page size will result in higher performance kernel at
2227	  the price of higher memory consumption.  This option is available on
2228	  all non-R3000 family processor.  Not that at the time of this
2229	  writing this option is still high experimental.
2230
2231endchoice
2232
2233config FORCE_MAX_ZONEORDER
2234	int "Maximum zone order"
2235	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2236	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2237	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2238	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2239	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2240	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2241	range 11 64
2242	default "11"
2243	help
2244	  The kernel memory allocator divides physically contiguous memory
2245	  blocks into "zones", where each zone is a power of two number of
2246	  pages.  This option selects the largest power of two that the kernel
2247	  keeps in the memory allocator.  If you need to allocate very large
2248	  blocks of physically contiguous memory, then you may need to
2249	  increase this value.
2250
2251	  This config option is actually maximum order plus one. For example,
2252	  a value of 11 means that the largest free memory block is 2^10 pages.
2253
2254	  The page size is not necessarily 4KB.  Keep this in mind
2255	  when choosing a value for this option.
2256
2257config BOARD_SCACHE
2258	bool
2259
2260config IP22_CPU_SCACHE
2261	bool
2262	select BOARD_SCACHE
2263
2264#
2265# Support for a MIPS32 / MIPS64 style S-caches
2266#
2267config MIPS_CPU_SCACHE
2268	bool
2269	select BOARD_SCACHE
2270
2271config R5000_CPU_SCACHE
2272	bool
2273	select BOARD_SCACHE
2274
2275config RM7000_CPU_SCACHE
2276	bool
2277	select BOARD_SCACHE
2278
2279config SIBYTE_DMA_PAGEOPS
2280	bool "Use DMA to clear/copy pages"
2281	depends on CPU_SB1
2282	help
2283	  Instead of using the CPU to zero and copy pages, use a Data Mover
2284	  channel.  These DMA channels are otherwise unused by the standard
2285	  SiByte Linux port.  Seems to give a small performance benefit.
2286
2287config CPU_HAS_PREFETCH
2288	bool
2289
2290config CPU_GENERIC_DUMP_TLB
2291	bool
2292	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2293
2294config MIPS_FP_SUPPORT
2295	bool "Floating Point support" if EXPERT
2296	default y
2297	help
2298	  Select y to include support for floating point in the kernel
2299	  including initialization of FPU hardware, FP context save & restore
2300	  and emulation of an FPU where necessary. Without this support any
2301	  userland program attempting to use floating point instructions will
2302	  receive a SIGILL.
2303
2304	  If you know that your userland will not attempt to use floating point
2305	  instructions then you can say n here to shrink the kernel a little.
2306
2307	  If unsure, say y.
2308
2309config CPU_R2300_FPU
2310	bool
2311	depends on MIPS_FP_SUPPORT
2312	default y if CPU_R3000 || CPU_TX39XX
2313
2314config CPU_R4K_FPU
2315	bool
2316	depends on MIPS_FP_SUPPORT
2317	default y if !CPU_R2300_FPU
2318
2319config CPU_R4K_CACHE_TLB
2320	bool
2321	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2322
2323config MIPS_MT_SMP
2324	bool "MIPS MT SMP support (1 TC on each available VPE)"
2325	default y
2326	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2327	select CPU_MIPSR2_IRQ_VI
2328	select CPU_MIPSR2_IRQ_EI
2329	select SYNC_R4K
2330	select MIPS_MT
2331	select SMP
2332	select SMP_UP
2333	select SYS_SUPPORTS_SMP
2334	select SYS_SUPPORTS_SCHED_SMT
2335	select MIPS_PERF_SHARED_TC_COUNTERS
2336	help
2337	  This is a kernel model which is known as SMVP. This is supported
2338	  on cores with the MT ASE and uses the available VPEs to implement
2339	  virtual processors which supports SMP. This is equivalent to the
2340	  Intel Hyperthreading feature. For further information go to
2341	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2342
2343config MIPS_MT
2344	bool
2345
2346config SCHED_SMT
2347	bool "SMT (multithreading) scheduler support"
2348	depends on SYS_SUPPORTS_SCHED_SMT
2349	default n
2350	help
2351	  SMT scheduler support improves the CPU scheduler's decision making
2352	  when dealing with MIPS MT enabled cores at a cost of slightly
2353	  increased overhead in some places. If unsure say N here.
2354
2355config SYS_SUPPORTS_SCHED_SMT
2356	bool
2357
2358config SYS_SUPPORTS_MULTITHREADING
2359	bool
2360
2361config MIPS_MT_FPAFF
2362	bool "Dynamic FPU affinity for FP-intensive threads"
2363	default y
2364	depends on MIPS_MT_SMP
2365
2366config MIPSR2_TO_R6_EMULATOR
2367	bool "MIPS R2-to-R6 emulator"
2368	depends on CPU_MIPSR6
2369	depends on MIPS_FP_SUPPORT
2370	default y
2371	help
2372	  Choose this option if you want to run non-R6 MIPS userland code.
2373	  Even if you say 'Y' here, the emulator will still be disabled by
2374	  default. You can enable it using the 'mipsr2emu' kernel option.
2375	  The only reason this is a build-time option is to save ~14K from the
2376	  final kernel image.
2377
2378config SYS_SUPPORTS_VPE_LOADER
2379	bool
2380	depends on SYS_SUPPORTS_MULTITHREADING
2381	help
2382	  Indicates that the platform supports the VPE loader, and provides
2383	  physical_memsize.
2384
2385config MIPS_VPE_LOADER
2386	bool "VPE loader support."
2387	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2388	select CPU_MIPSR2_IRQ_VI
2389	select CPU_MIPSR2_IRQ_EI
2390	select MIPS_MT
2391	help
2392	  Includes a loader for loading an elf relocatable object
2393	  onto another VPE and running it.
2394
2395config MIPS_VPE_LOADER_CMP
2396	bool
2397	default "y"
2398	depends on MIPS_VPE_LOADER && MIPS_CMP
2399
2400config MIPS_VPE_LOADER_MT
2401	bool
2402	default "y"
2403	depends on MIPS_VPE_LOADER && !MIPS_CMP
2404
2405config MIPS_VPE_LOADER_TOM
2406	bool "Load VPE program into memory hidden from linux"
2407	depends on MIPS_VPE_LOADER
2408	default y
2409	help
2410	  The loader can use memory that is present but has been hidden from
2411	  Linux using the kernel command line option "mem=xxMB". It's up to
2412	  you to ensure the amount you put in the option and the space your
2413	  program requires is less or equal to the amount physically present.
2414
2415config MIPS_VPE_APSP_API
2416	bool "Enable support for AP/SP API (RTLX)"
2417	depends on MIPS_VPE_LOADER
2418
2419config MIPS_VPE_APSP_API_CMP
2420	bool
2421	default "y"
2422	depends on MIPS_VPE_APSP_API && MIPS_CMP
2423
2424config MIPS_VPE_APSP_API_MT
2425	bool
2426	default "y"
2427	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2428
2429config MIPS_CMP
2430	bool "MIPS CMP framework support (DEPRECATED)"
2431	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2432	select SMP
2433	select SYNC_R4K
2434	select SYS_SUPPORTS_SMP
2435	select WEAK_ORDERING
2436	default n
2437	help
2438	  Select this if you are using a bootloader which implements the "CMP
2439	  framework" protocol (ie. YAMON) and want your kernel to make use of
2440	  its ability to start secondary CPUs.
2441
2442	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2443	  instead of this.
2444
2445config MIPS_CPS
2446	bool "MIPS Coherent Processing System support"
2447	depends on SYS_SUPPORTS_MIPS_CPS
2448	select MIPS_CM
2449	select MIPS_CPS_PM if HOTPLUG_CPU
2450	select SMP
2451	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2452	select SYS_SUPPORTS_HOTPLUG_CPU
2453	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2454	select SYS_SUPPORTS_SMP
2455	select WEAK_ORDERING
2456	help
2457	  Select this if you wish to run an SMP kernel across multiple cores
2458	  within a MIPS Coherent Processing System. When this option is
2459	  enabled the kernel will probe for other cores and boot them with
2460	  no external assistance. It is safe to enable this when hardware
2461	  support is unavailable.
2462
2463config MIPS_CPS_PM
2464	depends on MIPS_CPS
2465	bool
2466
2467config MIPS_CM
2468	bool
2469	select MIPS_CPC
2470
2471config MIPS_CPC
2472	bool
2473
2474config SB1_PASS_2_WORKAROUNDS
2475	bool
2476	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2477	default y
2478
2479config SB1_PASS_2_1_WORKAROUNDS
2480	bool
2481	depends on CPU_SB1 && CPU_SB1_PASS_2
2482	default y
2483
2484
2485choice
2486	prompt "SmartMIPS or microMIPS ASE support"
2487
2488config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2489	bool "None"
2490	help
2491	  Select this if you want neither microMIPS nor SmartMIPS support
2492
2493config CPU_HAS_SMARTMIPS
2494	depends on SYS_SUPPORTS_SMARTMIPS
2495	bool "SmartMIPS"
2496	help
2497	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2498	  increased security at both hardware and software level for
2499	  smartcards.  Enabling this option will allow proper use of the
2500	  SmartMIPS instructions by Linux applications.  However a kernel with
2501	  this option will not work on a MIPS core without SmartMIPS core.  If
2502	  you don't know you probably don't have SmartMIPS and should say N
2503	  here.
2504
2505config CPU_MICROMIPS
2506	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2507	bool "microMIPS"
2508	help
2509	  When this option is enabled the kernel will be built using the
2510	  microMIPS ISA
2511
2512endchoice
2513
2514config CPU_HAS_MSA
2515	bool "Support for the MIPS SIMD Architecture"
2516	depends on CPU_SUPPORTS_MSA
2517	depends on MIPS_FP_SUPPORT
2518	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2519	help
2520	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2521	  and a set of SIMD instructions to operate on them. When this option
2522	  is enabled the kernel will support allocating & switching MSA
2523	  vector register contexts. If you know that your kernel will only be
2524	  running on CPUs which do not support MSA or that your userland will
2525	  not be making use of it then you may wish to say N here to reduce
2526	  the size & complexity of your kernel.
2527
2528	  If unsure, say Y.
2529
2530config CPU_HAS_WB
2531	bool
2532
2533config XKS01
2534	bool
2535
2536config CPU_HAS_RIXI
2537	bool
2538
2539config CPU_HAS_LOAD_STORE_LR
2540	bool
2541	help
2542	  CPU has support for unaligned load and store instructions:
2543	  LWL, LWR, SWL, SWR (Load/store word left/right).
2544	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2545
2546#
2547# Vectored interrupt mode is an R2 feature
2548#
2549config CPU_MIPSR2_IRQ_VI
2550	bool
2551
2552#
2553# Extended interrupt mode is an R2 feature
2554#
2555config CPU_MIPSR2_IRQ_EI
2556	bool
2557
2558config CPU_HAS_SYNC
2559	bool
2560	depends on !CPU_R3000
2561	default y
2562
2563#
2564# CPU non-features
2565#
2566config CPU_DADDI_WORKAROUNDS
2567	bool
2568
2569config CPU_R4000_WORKAROUNDS
2570	bool
2571	select CPU_R4400_WORKAROUNDS
2572
2573config CPU_R4400_WORKAROUNDS
2574	bool
2575
2576config MIPS_ASID_SHIFT
2577	int
2578	default 6 if CPU_R3000 || CPU_TX39XX
2579	default 4 if CPU_R8000
2580	default 0
2581
2582config MIPS_ASID_BITS
2583	int
2584	default 0 if MIPS_ASID_BITS_VARIABLE
2585	default 6 if CPU_R3000 || CPU_TX39XX
2586	default 8
2587
2588config MIPS_ASID_BITS_VARIABLE
2589	bool
2590
2591config MIPS_CRC_SUPPORT
2592	bool
2593
2594#
2595# - Highmem only makes sense for the 32-bit kernel.
2596# - The current highmem code will only work properly on physically indexed
2597#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2598#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2599#   moment we protect the user and offer the highmem option only on machines
2600#   where it's known to be safe.  This will not offer highmem on a few systems
2601#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2602#   indexed CPUs but we're playing safe.
2603# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2604#   know they might have memory configurations that could make use of highmem
2605#   support.
2606#
2607config HIGHMEM
2608	bool "High Memory Support"
2609	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2610
2611config CPU_SUPPORTS_HIGHMEM
2612	bool
2613
2614config SYS_SUPPORTS_HIGHMEM
2615	bool
2616
2617config SYS_SUPPORTS_SMARTMIPS
2618	bool
2619
2620config SYS_SUPPORTS_MICROMIPS
2621	bool
2622
2623config SYS_SUPPORTS_MIPS16
2624	bool
2625	help
2626	  This option must be set if a kernel might be executed on a MIPS16-
2627	  enabled CPU even if MIPS16 is not actually being used.  In other
2628	  words, it makes the kernel MIPS16-tolerant.
2629
2630config CPU_SUPPORTS_MSA
2631	bool
2632
2633config ARCH_FLATMEM_ENABLE
2634	def_bool y
2635	depends on !NUMA && !CPU_LOONGSON2
2636
2637config ARCH_DISCONTIGMEM_ENABLE
2638	bool
2639	default y if SGI_IP27
2640	help
2641	  Say Y to support efficient handling of discontiguous physical memory,
2642	  for architectures which are either NUMA (Non-Uniform Memory Access)
2643	  or have huge holes in the physical address space for other reasons.
2644	  See <file:Documentation/vm/numa.rst> for more.
2645
2646config ARCH_SPARSEMEM_ENABLE
2647	bool
2648	select SPARSEMEM_STATIC
2649
2650config NUMA
2651	bool "NUMA Support"
2652	depends on SYS_SUPPORTS_NUMA
2653	help
2654	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2655	  Access).  This option improves performance on systems with more
2656	  than two nodes; on two node systems it is generally better to
2657	  leave it disabled; on single node systems disable this option
2658	  disabled.
2659
2660config SYS_SUPPORTS_NUMA
2661	bool
2662
2663config RELOCATABLE
2664	bool "Relocatable kernel"
2665	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2666	help
2667	  This builds a kernel image that retains relocation information
2668	  so it can be loaded someplace besides the default 1MB.
2669	  The relocations make the kernel binary about 15% larger,
2670	  but are discarded at runtime
2671
2672config RELOCATION_TABLE_SIZE
2673	hex "Relocation table size"
2674	depends on RELOCATABLE
2675	range 0x0 0x01000000
2676	default "0x00100000"
2677	---help---
2678	  A table of relocation data will be appended to the kernel binary
2679	  and parsed at boot to fix up the relocated kernel.
2680
2681	  This option allows the amount of space reserved for the table to be
2682	  adjusted, although the default of 1Mb should be ok in most cases.
2683
2684	  The build will fail and a valid size suggested if this is too small.
2685
2686	  If unsure, leave at the default value.
2687
2688config RANDOMIZE_BASE
2689	bool "Randomize the address of the kernel image"
2690	depends on RELOCATABLE
2691	---help---
2692	   Randomizes the physical and virtual address at which the
2693	   kernel image is loaded, as a security feature that
2694	   deters exploit attempts relying on knowledge of the location
2695	   of kernel internals.
2696
2697	   Entropy is generated using any coprocessor 0 registers available.
2698
2699	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2700
2701	   If unsure, say N.
2702
2703config RANDOMIZE_BASE_MAX_OFFSET
2704	hex "Maximum kASLR offset" if EXPERT
2705	depends on RANDOMIZE_BASE
2706	range 0x0 0x40000000 if EVA || 64BIT
2707	range 0x0 0x08000000
2708	default "0x01000000"
2709	---help---
2710	  When kASLR is active, this provides the maximum offset that will
2711	  be applied to the kernel image. It should be set according to the
2712	  amount of physical RAM available in the target system minus
2713	  PHYSICAL_START and must be a power of 2.
2714
2715	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2716	  EVA or 64-bit. The default is 16Mb.
2717
2718config NODES_SHIFT
2719	int
2720	default "6"
2721	depends on NEED_MULTIPLE_NODES
2722
2723config HW_PERF_EVENTS
2724	bool "Enable hardware performance counter support for perf events"
2725	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2726	default y
2727	help
2728	  Enable hardware performance counter support for perf events. If
2729	  disabled, perf events will use software events only.
2730
2731config SMP
2732	bool "Multi-Processing support"
2733	depends on SYS_SUPPORTS_SMP
2734	help
2735	  This enables support for systems with more than one CPU. If you have
2736	  a system with only one CPU, say N. If you have a system with more
2737	  than one CPU, say Y.
2738
2739	  If you say N here, the kernel will run on uni- and multiprocessor
2740	  machines, but will use only one CPU of a multiprocessor machine. If
2741	  you say Y here, the kernel will run on many, but not all,
2742	  uniprocessor machines. On a uniprocessor machine, the kernel
2743	  will run faster if you say N here.
2744
2745	  People using multiprocessor machines who say Y here should also say
2746	  Y to "Enhanced Real Time Clock Support", below.
2747
2748	  See also the SMP-HOWTO available at
2749	  <http://www.tldp.org/docs.html#howto>.
2750
2751	  If you don't know what to do here, say N.
2752
2753config HOTPLUG_CPU
2754	bool "Support for hot-pluggable CPUs"
2755	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2756	help
2757	  Say Y here to allow turning CPUs off and on. CPUs can be
2758	  controlled through /sys/devices/system/cpu.
2759	  (Note: power management support will enable this option
2760	    automatically on SMP systems. )
2761	  Say N if you want to disable CPU hotplug.
2762
2763config SMP_UP
2764	bool
2765
2766config SYS_SUPPORTS_MIPS_CMP
2767	bool
2768
2769config SYS_SUPPORTS_MIPS_CPS
2770	bool
2771
2772config SYS_SUPPORTS_SMP
2773	bool
2774
2775config NR_CPUS_DEFAULT_4
2776	bool
2777
2778config NR_CPUS_DEFAULT_8
2779	bool
2780
2781config NR_CPUS_DEFAULT_16
2782	bool
2783
2784config NR_CPUS_DEFAULT_32
2785	bool
2786
2787config NR_CPUS_DEFAULT_64
2788	bool
2789
2790config NR_CPUS
2791	int "Maximum number of CPUs (2-256)"
2792	range 2 256
2793	depends on SMP
2794	default "4" if NR_CPUS_DEFAULT_4
2795	default "8" if NR_CPUS_DEFAULT_8
2796	default "16" if NR_CPUS_DEFAULT_16
2797	default "32" if NR_CPUS_DEFAULT_32
2798	default "64" if NR_CPUS_DEFAULT_64
2799	help
2800	  This allows you to specify the maximum number of CPUs which this
2801	  kernel will support.  The maximum supported value is 32 for 32-bit
2802	  kernel and 64 for 64-bit kernels; the minimum value which makes
2803	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2804	  and 2 for all others.
2805
2806	  This is purely to save memory - each supported CPU adds
2807	  approximately eight kilobytes to the kernel image.  For best
2808	  performance should round up your number of processors to the next
2809	  power of two.
2810
2811config MIPS_PERF_SHARED_TC_COUNTERS
2812	bool
2813
2814config MIPS_NR_CPU_NR_MAP_1024
2815	bool
2816
2817config MIPS_NR_CPU_NR_MAP
2818	int
2819	depends on SMP
2820	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2821	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2822
2823#
2824# Timer Interrupt Frequency Configuration
2825#
2826
2827choice
2828	prompt "Timer frequency"
2829	default HZ_250
2830	help
2831	 Allows the configuration of the timer frequency.
2832
2833	config HZ_24
2834		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2835
2836	config HZ_48
2837		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2838
2839	config HZ_100
2840		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2841
2842	config HZ_128
2843		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2844
2845	config HZ_250
2846		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2847
2848	config HZ_256
2849		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2850
2851	config HZ_1000
2852		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2853
2854	config HZ_1024
2855		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2856
2857endchoice
2858
2859config SYS_SUPPORTS_24HZ
2860	bool
2861
2862config SYS_SUPPORTS_48HZ
2863	bool
2864
2865config SYS_SUPPORTS_100HZ
2866	bool
2867
2868config SYS_SUPPORTS_128HZ
2869	bool
2870
2871config SYS_SUPPORTS_250HZ
2872	bool
2873
2874config SYS_SUPPORTS_256HZ
2875	bool
2876
2877config SYS_SUPPORTS_1000HZ
2878	bool
2879
2880config SYS_SUPPORTS_1024HZ
2881	bool
2882
2883config SYS_SUPPORTS_ARBIT_HZ
2884	bool
2885	default y if !SYS_SUPPORTS_24HZ && \
2886		     !SYS_SUPPORTS_48HZ && \
2887		     !SYS_SUPPORTS_100HZ && \
2888		     !SYS_SUPPORTS_128HZ && \
2889		     !SYS_SUPPORTS_250HZ && \
2890		     !SYS_SUPPORTS_256HZ && \
2891		     !SYS_SUPPORTS_1000HZ && \
2892		     !SYS_SUPPORTS_1024HZ
2893
2894config HZ
2895	int
2896	default 24 if HZ_24
2897	default 48 if HZ_48
2898	default 100 if HZ_100
2899	default 128 if HZ_128
2900	default 250 if HZ_250
2901	default 256 if HZ_256
2902	default 1000 if HZ_1000
2903	default 1024 if HZ_1024
2904
2905config SCHED_HRTICK
2906	def_bool HIGH_RES_TIMERS
2907
2908config KEXEC
2909	bool "Kexec system call"
2910	select KEXEC_CORE
2911	help
2912	  kexec is a system call that implements the ability to shutdown your
2913	  current kernel, and to start another kernel.  It is like a reboot
2914	  but it is independent of the system firmware.   And like a reboot
2915	  you can start any kernel with it, not just Linux.
2916
2917	  The name comes from the similarity to the exec system call.
2918
2919	  It is an ongoing process to be certain the hardware in a machine
2920	  is properly shutdown, so do not be surprised if this code does not
2921	  initially work for you.  As of this writing the exact hardware
2922	  interface is strongly in flux, so no good recommendation can be
2923	  made.
2924
2925config CRASH_DUMP
2926	bool "Kernel crash dumps"
2927	help
2928	  Generate crash dump after being started by kexec.
2929	  This should be normally only set in special crash dump kernels
2930	  which are loaded in the main kernel with kexec-tools into
2931	  a specially reserved region and then later executed after
2932	  a crash by kdump/kexec. The crash dump kernel must be compiled
2933	  to a memory address not used by the main kernel or firmware using
2934	  PHYSICAL_START.
2935
2936config PHYSICAL_START
2937	hex "Physical address where the kernel is loaded"
2938	default "0xffffffff84000000"
2939	depends on CRASH_DUMP
2940	help
2941	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2942	  If you plan to use kernel for capturing the crash dump change
2943	  this value to start of the reserved region (the "X" value as
2944	  specified in the "crashkernel=YM@XM" command line boot parameter
2945	  passed to the panic-ed kernel).
2946
2947config SECCOMP
2948	bool "Enable seccomp to safely compute untrusted bytecode"
2949	depends on PROC_FS
2950	default y
2951	help
2952	  This kernel feature is useful for number crunching applications
2953	  that may need to compute untrusted bytecode during their
2954	  execution. By using pipes or other transports made available to
2955	  the process as file descriptors supporting the read/write
2956	  syscalls, it's possible to isolate those applications in
2957	  their own address space using seccomp. Once seccomp is
2958	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2959	  and the task is only allowed to execute a few safe syscalls
2960	  defined by each seccomp mode.
2961
2962	  If unsure, say Y. Only embedded should say N here.
2963
2964config MIPS_O32_FP64_SUPPORT
2965	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2966	depends on 32BIT || MIPS32_O32
2967	help
2968	  When this is enabled, the kernel will support use of 64-bit floating
2969	  point registers with binaries using the O32 ABI along with the
2970	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2971	  32-bit MIPS systems this support is at the cost of increasing the
2972	  size and complexity of the compiled FPU emulator. Thus if you are
2973	  running a MIPS32 system and know that none of your userland binaries
2974	  will require 64-bit floating point, you may wish to reduce the size
2975	  of your kernel & potentially improve FP emulation performance by
2976	  saying N here.
2977
2978	  Although binutils currently supports use of this flag the details
2979	  concerning its effect upon the O32 ABI in userland are still being
2980	  worked on. In order to avoid userland becoming dependant upon current
2981	  behaviour before the details have been finalised, this option should
2982	  be considered experimental and only enabled by those working upon
2983	  said details.
2984
2985	  If unsure, say N.
2986
2987config USE_OF
2988	bool
2989	select OF
2990	select OF_EARLY_FLATTREE
2991	select IRQ_DOMAIN
2992
2993config UHI_BOOT
2994	bool
2995
2996config BUILTIN_DTB
2997	bool
2998
2999choice
3000	prompt "Kernel appended dtb support" if USE_OF
3001	default MIPS_NO_APPENDED_DTB
3002
3003	config MIPS_NO_APPENDED_DTB
3004		bool "None"
3005		help
3006		  Do not enable appended dtb support.
3007
3008	config MIPS_ELF_APPENDED_DTB
3009		bool "vmlinux"
3010		help
3011		  With this option, the boot code will look for a device tree binary
3012		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3013		  it is empty and the DTB can be appended using binutils command
3014		  objcopy:
3015
3016		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3017
3018		  This is meant as a backward compatiblity convenience for those
3019		  systems with a bootloader that can't be upgraded to accommodate
3020		  the documented boot protocol using a device tree.
3021
3022	config MIPS_RAW_APPENDED_DTB
3023		bool "vmlinux.bin or vmlinuz.bin"
3024		help
3025		  With this option, the boot code will look for a device tree binary
3026		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3027		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3028
3029		  This is meant as a backward compatibility convenience for those
3030		  systems with a bootloader that can't be upgraded to accommodate
3031		  the documented boot protocol using a device tree.
3032
3033		  Beware that there is very little in terms of protection against
3034		  this option being confused by leftover garbage in memory that might
3035		  look like a DTB header after a reboot if no actual DTB is appended
3036		  to vmlinux.bin.  Do not leave this option active in a production kernel
3037		  if you don't intend to always append a DTB.
3038endchoice
3039
3040choice
3041	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3042	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3043					 !MIPS_MALTA && \
3044					 !CAVIUM_OCTEON_SOC
3045	default MIPS_CMDLINE_FROM_BOOTLOADER
3046
3047	config MIPS_CMDLINE_FROM_DTB
3048		depends on USE_OF
3049		bool "Dtb kernel arguments if available"
3050
3051	config MIPS_CMDLINE_DTB_EXTEND
3052		depends on USE_OF
3053		bool "Extend dtb kernel arguments with bootloader arguments"
3054
3055	config MIPS_CMDLINE_FROM_BOOTLOADER
3056		bool "Bootloader kernel arguments if available"
3057
3058	config MIPS_CMDLINE_BUILTIN_EXTEND
3059		depends on CMDLINE_BOOL
3060		bool "Extend builtin kernel arguments with bootloader arguments"
3061endchoice
3062
3063endmenu
3064
3065config LOCKDEP_SUPPORT
3066	bool
3067	default y
3068
3069config STACKTRACE_SUPPORT
3070	bool
3071	default y
3072
3073config HAVE_LATENCYTOP_SUPPORT
3074	bool
3075	default y
3076
3077config PGTABLE_LEVELS
3078	int
3079	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3080	default 3 if 64BIT && !PAGE_SIZE_64KB
3081	default 2
3082
3083config MIPS_AUTO_PFN_OFFSET
3084	bool
3085
3086menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3087
3088config PCI_DRIVERS_GENERIC
3089	select PCI_DOMAINS_GENERIC if PCI
3090	bool
3091
3092config PCI_DRIVERS_LEGACY
3093	def_bool !PCI_DRIVERS_GENERIC
3094	select NO_GENERIC_PCI_IOPORT_MAP
3095	select PCI_DOMAINS if PCI
3096
3097#
3098# ISA support is now enabled via select.  Too many systems still have the one
3099# or other ISA chip on the board that users don't know about so don't expect
3100# users to choose the right thing ...
3101#
3102config ISA
3103	bool
3104
3105config TC
3106	bool "TURBOchannel support"
3107	depends on MACH_DECSTATION
3108	help
3109	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3110	  processors.  TURBOchannel programming specifications are available
3111	  at:
3112	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3113	  and:
3114	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3115	  Linux driver support status is documented at:
3116	  <http://www.linux-mips.org/wiki/DECstation>
3117
3118config MMU
3119	bool
3120	default y
3121
3122config ARCH_MMAP_RND_BITS_MIN
3123	default 12 if 64BIT
3124	default 8
3125
3126config ARCH_MMAP_RND_BITS_MAX
3127	default 18 if 64BIT
3128	default 15
3129
3130config ARCH_MMAP_RND_COMPAT_BITS_MIN
3131       default 8
3132
3133config ARCH_MMAP_RND_COMPAT_BITS_MAX
3134       default 15
3135
3136config I8253
3137	bool
3138	select CLKSRC_I8253
3139	select CLKEVT_I8253
3140	select MIPS_EXTERNAL_TIMER
3141
3142config ZONE_DMA
3143	bool
3144
3145config ZONE_DMA32
3146	bool
3147
3148endmenu
3149
3150config TRAD_SIGNALS
3151	bool
3152
3153config MIPS32_COMPAT
3154	bool
3155
3156config COMPAT
3157	bool
3158
3159config SYSVIPC_COMPAT
3160	bool
3161
3162config MIPS32_O32
3163	bool "Kernel support for o32 binaries"
3164	depends on 64BIT
3165	select ARCH_WANT_OLD_COMPAT_IPC
3166	select COMPAT
3167	select MIPS32_COMPAT
3168	select SYSVIPC_COMPAT if SYSVIPC
3169	help
3170	  Select this option if you want to run o32 binaries.  These are pure
3171	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3172	  existing binaries are in this format.
3173
3174	  If unsure, say Y.
3175
3176config MIPS32_N32
3177	bool "Kernel support for n32 binaries"
3178	depends on 64BIT
3179	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3180	select COMPAT
3181	select MIPS32_COMPAT
3182	select SYSVIPC_COMPAT if SYSVIPC
3183	help
3184	  Select this option if you want to run n32 binaries.  These are
3185	  64-bit binaries using 32-bit quantities for addressing and certain
3186	  data that would normally be 64-bit.  They are used in special
3187	  cases.
3188
3189	  If unsure, say N.
3190
3191config BINFMT_ELF32
3192	bool
3193	default y if MIPS32_O32 || MIPS32_N32
3194	select ELFCORE
3195
3196menu "Power management options"
3197
3198config ARCH_HIBERNATION_POSSIBLE
3199	def_bool y
3200	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3201
3202config ARCH_SUSPEND_POSSIBLE
3203	def_bool y
3204	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3205
3206source "kernel/power/Kconfig"
3207
3208endmenu
3209
3210config MIPS_EXTERNAL_TIMER
3211	bool
3212
3213menu "CPU Power Management"
3214
3215if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3216source "drivers/cpufreq/Kconfig"
3217endif
3218
3219source "drivers/cpuidle/Kconfig"
3220
3221endmenu
3222
3223source "drivers/firmware/Kconfig"
3224
3225source "arch/mips/kvm/Kconfig"
3226