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1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_32BIT_OFF_T if !64BIT
6	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7	select ARCH_CLOCKSOURCE_DATA
8	select ARCH_HAS_CPU_FINALIZE_INIT
9	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
10	select ARCH_HAS_UBSAN_SANITIZE_ALL
11	select ARCH_SUPPORTS_UPROBES
12	select ARCH_USE_BUILTIN_BSWAP
13	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
14	select ARCH_USE_QUEUED_RWLOCKS
15	select ARCH_USE_QUEUED_SPINLOCKS
16	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
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_GETTIMEOFDAY
27	select GENERIC_IOMAP
28	select GENERIC_IRQ_PROBE
29	select GENERIC_IRQ_SHOW
30	select GENERIC_ISA_DMA if EISA
31	select GENERIC_LIB_ASHLDI3
32	select GENERIC_LIB_ASHRDI3
33	select GENERIC_LIB_CMPDI2
34	select GENERIC_LIB_LSHRDI3
35	select GENERIC_LIB_UCMPDI2
36	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
37	select GENERIC_SMP_IDLE_THREAD
38	select GENERIC_TIME_VSYSCALL
39	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
40	select HANDLE_DOMAIN_IRQ
41	select HAVE_ARCH_COMPILER_H
42	select HAVE_ARCH_JUMP_LABEL
43	select HAVE_ARCH_KGDB
44	select HAVE_ARCH_MMAP_RND_BITS if MMU
45	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
46	select HAVE_ARCH_SECCOMP_FILTER
47	select HAVE_ARCH_TRACEHOOK
48	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
49	select HAVE_ASM_MODVERSIONS
50	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
51	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
52	select HAVE_CONTEXT_TRACKING
53	select HAVE_COPY_THREAD_TLS
54	select HAVE_C_RECORDMCOUNT
55	select HAVE_DEBUG_KMEMLEAK
56	select HAVE_DEBUG_STACKOVERFLOW
57	select HAVE_DMA_CONTIGUOUS
58	select HAVE_DYNAMIC_FTRACE
59	select HAVE_EXIT_THREAD
60	select HAVE_FAST_GUP
61	select HAVE_FTRACE_MCOUNT_RECORD
62	select HAVE_FUNCTION_GRAPH_TRACER
63	select HAVE_FUNCTION_TRACER
64	select HAVE_IDE
65	select HAVE_IOREMAP_PROT
66	select HAVE_IRQ_EXIT_ON_IRQ_STACK
67	select HAVE_IRQ_TIME_ACCOUNTING
68	select HAVE_KPROBES
69	select HAVE_KRETPROBES
70	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
71	select HAVE_MEMBLOCK_NODE_MAP
72	select HAVE_MOD_ARCH_SPECIFIC
73	select HAVE_NMI
74	select HAVE_OPROFILE
75	select HAVE_PERF_EVENTS
76	select HAVE_REGS_AND_STACK_ACCESS_API
77	select HAVE_RSEQ
78	select HAVE_STACKPROTECTOR
79	select HAVE_SYSCALL_TRACEPOINTS
80	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
81	select HAVE_GENERIC_VDSO
82	select IRQ_FORCED_THREADING
83	select ISA if EISA
84	select MODULES_USE_ELF_RELA if MODULES && 64BIT
85	select MODULES_USE_ELF_REL if MODULES
86	select PERF_USE_VMALLOC
87	select RTC_LIB
88	select SYSCTL_EXCEPTION_TRACE
89	select VIRT_TO_BUS
90	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
91
92menu "Machine selection"
93
94choice
95	prompt "System type"
96	default MIPS_GENERIC
97
98config MIPS_GENERIC
99	bool "Generic board-agnostic MIPS kernel"
100	select BOOT_RAW
101	select BUILTIN_DTB
102	select CEVT_R4K
103	select CLKSRC_MIPS_GIC
104	select COMMON_CLK
105	select CPU_MIPSR2_IRQ_VI
106	select CPU_MIPSR2_IRQ_EI
107	select CSRC_R4K
108	select DMA_PERDEV_COHERENT
109	select HAVE_PCI
110	select IRQ_MIPS_CPU
111	select LIBFDT
112	select MIPS_AUTO_PFN_OFFSET
113	select MIPS_CPU_SCACHE
114	select MIPS_GIC
115	select MIPS_L1_CACHE_SHIFT_7
116	select NO_EXCEPT_FILL
117	select PCI_DRIVERS_GENERIC
118	select PINCTRL
119	select SMP_UP if SMP
120	select SWAP_IO_SPACE
121	select SYS_HAS_CPU_MIPS32_R1
122	select SYS_HAS_CPU_MIPS32_R2
123	select SYS_HAS_CPU_MIPS32_R6
124	select SYS_HAS_CPU_MIPS64_R1
125	select SYS_HAS_CPU_MIPS64_R2
126	select SYS_HAS_CPU_MIPS64_R6
127	select SYS_SUPPORTS_32BIT_KERNEL
128	select SYS_SUPPORTS_64BIT_KERNEL
129	select SYS_SUPPORTS_BIG_ENDIAN
130	select SYS_SUPPORTS_HIGHMEM
131	select SYS_SUPPORTS_LITTLE_ENDIAN
132	select SYS_SUPPORTS_MICROMIPS
133	select SYS_SUPPORTS_MIPS_CPS
134	select SYS_SUPPORTS_MIPS16
135	select SYS_SUPPORTS_MULTITHREADING
136	select SYS_SUPPORTS_RELOCATABLE
137	select SYS_SUPPORTS_SMARTMIPS
138	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
139	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
140	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
141	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
142	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
143	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
144	select USE_OF
145	select UHI_BOOT
146	help
147	  Select this to build a kernel which aims to support multiple boards,
148	  generally using a flattened device tree passed from the bootloader
149	  using the boot protocol defined in the UHI (Unified Hosting
150	  Interface) specification.
151
152config MIPS_ALCHEMY
153	bool "Alchemy processor based machines"
154	select PHYS_ADDR_T_64BIT
155	select CEVT_R4K
156	select CSRC_R4K
157	select IRQ_MIPS_CPU
158	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
159	select SYS_HAS_CPU_MIPS32_R1
160	select SYS_SUPPORTS_32BIT_KERNEL
161	select SYS_SUPPORTS_APM_EMULATION
162	select GPIOLIB
163	select SYS_SUPPORTS_ZBOOT
164	select COMMON_CLK
165
166config AR7
167	bool "Texas Instruments AR7"
168	select BOOT_ELF32
169	select DMA_NONCOHERENT
170	select CEVT_R4K
171	select CSRC_R4K
172	select IRQ_MIPS_CPU
173	select NO_EXCEPT_FILL
174	select SWAP_IO_SPACE
175	select SYS_HAS_CPU_MIPS32_R1
176	select SYS_HAS_EARLY_PRINTK
177	select SYS_SUPPORTS_32BIT_KERNEL
178	select SYS_SUPPORTS_LITTLE_ENDIAN
179	select SYS_SUPPORTS_MIPS16
180	select SYS_SUPPORTS_ZBOOT_UART16550
181	select GPIOLIB
182	select VLYNQ
183	select HAVE_CLK
184	help
185	  Support for the Texas Instruments AR7 System-on-a-Chip
186	  family: TNETD7100, 7200 and 7300.
187
188config ATH25
189	bool "Atheros AR231x/AR531x SoC support"
190	select CEVT_R4K
191	select CSRC_R4K
192	select DMA_NONCOHERENT
193	select IRQ_MIPS_CPU
194	select IRQ_DOMAIN
195	select SYS_HAS_CPU_MIPS32_R1
196	select SYS_SUPPORTS_BIG_ENDIAN
197	select SYS_SUPPORTS_32BIT_KERNEL
198	select SYS_HAS_EARLY_PRINTK
199	help
200	  Support for Atheros AR231x and Atheros AR531x based boards
201
202config ATH79
203	bool "Atheros AR71XX/AR724X/AR913X based boards"
204	select ARCH_HAS_RESET_CONTROLLER
205	select BOOT_RAW
206	select CEVT_R4K
207	select CSRC_R4K
208	select DMA_NONCOHERENT
209	select GPIOLIB
210	select PINCTRL
211	select HAVE_CLK
212	select COMMON_CLK
213	select CLKDEV_LOOKUP
214	select IRQ_MIPS_CPU
215	select SYS_HAS_CPU_MIPS32_R2
216	select SYS_HAS_EARLY_PRINTK
217	select SYS_SUPPORTS_32BIT_KERNEL
218	select SYS_SUPPORTS_BIG_ENDIAN
219	select SYS_SUPPORTS_MIPS16
220	select SYS_SUPPORTS_ZBOOT_UART_PROM
221	select USE_OF
222	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
223	help
224	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
225
226config BMIPS_GENERIC
227	bool "Broadcom Generic BMIPS kernel"
228	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
229	select ARCH_HAS_PHYS_TO_DMA
230	select BOOT_RAW
231	select NO_EXCEPT_FILL
232	select USE_OF
233	select CEVT_R4K
234	select CSRC_R4K
235	select SYNC_R4K
236	select COMMON_CLK
237	select BCM6345_L1_IRQ
238	select BCM7038_L1_IRQ
239	select BCM7120_L2_IRQ
240	select BRCMSTB_L2_IRQ
241	select IRQ_MIPS_CPU
242	select DMA_NONCOHERENT
243	select SYS_SUPPORTS_32BIT_KERNEL
244	select SYS_SUPPORTS_LITTLE_ENDIAN
245	select SYS_SUPPORTS_BIG_ENDIAN
246	select SYS_SUPPORTS_HIGHMEM
247	select SYS_HAS_CPU_BMIPS32_3300
248	select SYS_HAS_CPU_BMIPS4350
249	select SYS_HAS_CPU_BMIPS4380
250	select SYS_HAS_CPU_BMIPS5000
251	select SWAP_IO_SPACE
252	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
253	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
254	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
255	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
256	select HARDIRQS_SW_RESEND
257	help
258	  Build a generic DT-based kernel image that boots on select
259	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
260	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
261	  must be set appropriately for your board.
262
263config BCM47XX
264	bool "Broadcom BCM47XX based boards"
265	select BOOT_RAW
266	select CEVT_R4K
267	select CSRC_R4K
268	select DMA_NONCOHERENT
269	select HAVE_PCI
270	select IRQ_MIPS_CPU
271	select SYS_HAS_CPU_MIPS32_R1
272	select NO_EXCEPT_FILL
273	select SYS_SUPPORTS_32BIT_KERNEL
274	select SYS_SUPPORTS_LITTLE_ENDIAN
275	select SYS_SUPPORTS_MIPS16
276	select SYS_SUPPORTS_ZBOOT
277	select SYS_HAS_EARLY_PRINTK
278	select USE_GENERIC_EARLY_PRINTK_8250
279	select GPIOLIB
280	select LEDS_GPIO_REGISTER
281	select BCM47XX_NVRAM
282	select BCM47XX_SPROM
283	select BCM47XX_SSB if !BCM47XX_BCMA
284	help
285	  Support for BCM47XX based boards
286
287config BCM63XX
288	bool "Broadcom BCM63XX based boards"
289	select BOOT_RAW
290	select CEVT_R4K
291	select CSRC_R4K
292	select SYNC_R4K
293	select DMA_NONCOHERENT
294	select IRQ_MIPS_CPU
295	select SYS_SUPPORTS_32BIT_KERNEL
296	select SYS_SUPPORTS_BIG_ENDIAN
297	select SYS_HAS_EARLY_PRINTK
298	select SYS_HAS_CPU_BMIPS32_3300
299	select SYS_HAS_CPU_BMIPS4350
300	select SYS_HAS_CPU_BMIPS4380
301	select SWAP_IO_SPACE
302	select GPIOLIB
303	select HAVE_CLK
304	select MIPS_L1_CACHE_SHIFT_4
305	select CLKDEV_LOOKUP
306	help
307	  Support for BCM63XX based boards
308
309config MIPS_COBALT
310	bool "Cobalt Server"
311	select CEVT_R4K
312	select CSRC_R4K
313	select CEVT_GT641XX
314	select DMA_NONCOHERENT
315	select FORCE_PCI
316	select I8253
317	select I8259
318	select IRQ_MIPS_CPU
319	select IRQ_GT641XX
320	select PCI_GT64XXX_PCI0
321	select SYS_HAS_CPU_NEVADA
322	select SYS_HAS_EARLY_PRINTK
323	select SYS_SUPPORTS_32BIT_KERNEL
324	select SYS_SUPPORTS_64BIT_KERNEL
325	select SYS_SUPPORTS_LITTLE_ENDIAN
326	select USE_GENERIC_EARLY_PRINTK_8250
327
328config MACH_DECSTATION
329	bool "DECstations"
330	select BOOT_ELF32
331	select CEVT_DS1287
332	select CEVT_R4K if CPU_R4X00
333	select CSRC_IOASIC
334	select CSRC_R4K if CPU_R4X00
335	select CPU_DADDI_WORKAROUNDS if 64BIT
336	select CPU_R4000_WORKAROUNDS if 64BIT
337	select CPU_R4400_WORKAROUNDS if 64BIT
338	select DMA_NONCOHERENT
339	select NO_IOPORT_MAP
340	select IRQ_MIPS_CPU
341	select SYS_HAS_CPU_R3000
342	select SYS_HAS_CPU_R4X00
343	select SYS_SUPPORTS_32BIT_KERNEL
344	select SYS_SUPPORTS_64BIT_KERNEL
345	select SYS_SUPPORTS_LITTLE_ENDIAN
346	select SYS_SUPPORTS_128HZ
347	select SYS_SUPPORTS_256HZ
348	select SYS_SUPPORTS_1024HZ
349	select MIPS_L1_CACHE_SHIFT_4
350	help
351	  This enables support for DEC's MIPS based workstations.  For details
352	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
353	  DECstation porting pages on <http://decstation.unix-ag.org/>.
354
355	  If you have one of the following DECstation Models you definitely
356	  want to choose R4xx0 for the CPU Type:
357
358		DECstation 5000/50
359		DECstation 5000/150
360		DECstation 5000/260
361		DECsystem 5900/260
362
363	  otherwise choose R3000.
364
365config MACH_JAZZ
366	bool "Jazz family of machines"
367	select ARCH_MIGHT_HAVE_PC_PARPORT
368	select ARCH_MIGHT_HAVE_PC_SERIO
369	select FW_ARC
370	select FW_ARC32
371	select ARCH_MAY_HAVE_PC_FDC
372	select CEVT_R4K
373	select CSRC_R4K
374	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
375	select GENERIC_ISA_DMA
376	select HAVE_PCSPKR_PLATFORM
377	select IRQ_MIPS_CPU
378	select I8253
379	select I8259
380	select ISA
381	select SYS_HAS_CPU_R4X00
382	select SYS_SUPPORTS_32BIT_KERNEL
383	select SYS_SUPPORTS_64BIT_KERNEL
384	select SYS_SUPPORTS_100HZ
385	help
386	  This a family of machines based on the MIPS R4030 chipset which was
387	  used by several vendors to build RISC/os and Windows NT workstations.
388	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
389	  Olivetti M700-10 workstations.
390
391config MACH_INGENIC
392	bool "Ingenic SoC based machines"
393	select SYS_SUPPORTS_32BIT_KERNEL
394	select SYS_SUPPORTS_LITTLE_ENDIAN
395	select SYS_SUPPORTS_ZBOOT_UART16550
396	select CPU_SUPPORTS_HUGEPAGES
397	select DMA_NONCOHERENT
398	select IRQ_MIPS_CPU
399	select PINCTRL
400	select GPIOLIB
401	select COMMON_CLK
402	select GENERIC_IRQ_CHIP
403	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
404	select USE_OF
405	select LIBFDT
406
407config LANTIQ
408	bool "Lantiq based platforms"
409	select DMA_NONCOHERENT
410	select IRQ_MIPS_CPU
411	select CEVT_R4K
412	select CSRC_R4K
413	select SYS_HAS_CPU_MIPS32_R1
414	select SYS_HAS_CPU_MIPS32_R2
415	select SYS_SUPPORTS_BIG_ENDIAN
416	select SYS_SUPPORTS_32BIT_KERNEL
417	select SYS_SUPPORTS_MIPS16
418	select SYS_SUPPORTS_MULTITHREADING
419	select SYS_SUPPORTS_VPE_LOADER
420	select SYS_HAS_EARLY_PRINTK
421	select GPIOLIB
422	select SWAP_IO_SPACE
423	select BOOT_RAW
424	select CLKDEV_LOOKUP
425	select USE_OF
426	select PINCTRL
427	select PINCTRL_LANTIQ
428	select ARCH_HAS_RESET_CONTROLLER
429	select RESET_CONTROLLER
430
431config LASAT
432	bool "LASAT Networks platforms"
433	select CEVT_R4K
434	select CRC32
435	select CSRC_R4K
436	select DMA_NONCOHERENT
437	select SYS_HAS_EARLY_PRINTK
438	select HAVE_PCI
439	select IRQ_MIPS_CPU
440	select PCI_GT64XXX_PCI0
441	select MIPS_NILE4
442	select R5000_CPU_SCACHE
443	select SYS_HAS_CPU_R5000
444	select SYS_SUPPORTS_32BIT_KERNEL
445	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
446	select SYS_SUPPORTS_LITTLE_ENDIAN
447
448config MACH_LOONGSON32
449	bool "Loongson-1 family of machines"
450	select SYS_SUPPORTS_ZBOOT
451	help
452	  This enables support for the Loongson-1 family of machines.
453
454	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
455	  the Institute of Computing Technology (ICT), Chinese Academy of
456	  Sciences (CAS).
457
458config MACH_LOONGSON64
459	bool "Loongson-2/3 family of machines"
460	select SYS_SUPPORTS_ZBOOT
461	help
462	  This enables the support of Loongson-2/3 family of machines.
463
464	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
465	  family of multi-core CPUs. They are both 64-bit general-purpose
466	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
467	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
468	  in the People's Republic of China. The chief architect is Professor
469	  Weiwu Hu.
470
471config MACH_PISTACHIO
472	bool "IMG Pistachio SoC based boards"
473	select BOOT_ELF32
474	select BOOT_RAW
475	select CEVT_R4K
476	select CLKSRC_MIPS_GIC
477	select COMMON_CLK
478	select CSRC_R4K
479	select DMA_NONCOHERENT
480	select GPIOLIB
481	select IRQ_MIPS_CPU
482	select LIBFDT
483	select MFD_SYSCON
484	select MIPS_CPU_SCACHE
485	select MIPS_GIC
486	select PINCTRL
487	select REGULATOR
488	select SYS_HAS_CPU_MIPS32_R2
489	select SYS_SUPPORTS_32BIT_KERNEL
490	select SYS_SUPPORTS_LITTLE_ENDIAN
491	select SYS_SUPPORTS_MIPS_CPS
492	select SYS_SUPPORTS_MULTITHREADING
493	select SYS_SUPPORTS_RELOCATABLE
494	select SYS_SUPPORTS_ZBOOT
495	select SYS_HAS_EARLY_PRINTK
496	select USE_GENERIC_EARLY_PRINTK_8250
497	select USE_OF
498	help
499	  This enables support for the IMG Pistachio SoC platform.
500
501config MIPS_MALTA
502	bool "MIPS Malta board"
503	select ARCH_MAY_HAVE_PC_FDC
504	select ARCH_MIGHT_HAVE_PC_PARPORT
505	select ARCH_MIGHT_HAVE_PC_SERIO
506	select BOOT_ELF32
507	select BOOT_RAW
508	select BUILTIN_DTB
509	select CEVT_R4K
510	select CLKSRC_MIPS_GIC
511	select COMMON_CLK
512	select CSRC_R4K
513	select DMA_MAYBE_COHERENT
514	select GENERIC_ISA_DMA
515	select HAVE_PCSPKR_PLATFORM
516	select HAVE_PCI
517	select I8253
518	select I8259
519	select IRQ_MIPS_CPU
520	select LIBFDT
521	select MIPS_BONITO64
522	select MIPS_CPU_SCACHE
523	select MIPS_GIC
524	select MIPS_L1_CACHE_SHIFT_6
525	select MIPS_MSC
526	select PCI_GT64XXX_PCI0
527	select SMP_UP if SMP
528	select SWAP_IO_SPACE
529	select SYS_HAS_CPU_MIPS32_R1
530	select SYS_HAS_CPU_MIPS32_R2
531	select SYS_HAS_CPU_MIPS32_R3_5
532	select SYS_HAS_CPU_MIPS32_R5
533	select SYS_HAS_CPU_MIPS32_R6
534	select SYS_HAS_CPU_MIPS64_R1
535	select SYS_HAS_CPU_MIPS64_R2
536	select SYS_HAS_CPU_MIPS64_R6
537	select SYS_HAS_CPU_NEVADA
538	select SYS_HAS_CPU_RM7000
539	select SYS_SUPPORTS_32BIT_KERNEL
540	select SYS_SUPPORTS_64BIT_KERNEL
541	select SYS_SUPPORTS_BIG_ENDIAN
542	select SYS_SUPPORTS_HIGHMEM
543	select SYS_SUPPORTS_LITTLE_ENDIAN
544	select SYS_SUPPORTS_MICROMIPS
545	select SYS_SUPPORTS_MIPS16
546	select SYS_SUPPORTS_MIPS_CMP
547	select SYS_SUPPORTS_MIPS_CPS
548	select SYS_SUPPORTS_MULTITHREADING
549	select SYS_SUPPORTS_RELOCATABLE
550	select SYS_SUPPORTS_SMARTMIPS
551	select SYS_SUPPORTS_VPE_LOADER
552	select SYS_SUPPORTS_ZBOOT
553	select USE_OF
554	select ZONE_DMA32 if 64BIT
555	help
556	  This enables support for the MIPS Technologies Malta evaluation
557	  board.
558
559config MACH_PIC32
560	bool "Microchip PIC32 Family"
561	help
562	  This enables support for the Microchip PIC32 family of platforms.
563
564	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
565	  microcontrollers.
566
567config NEC_MARKEINS
568	bool "NEC EMMA2RH Mark-eins board"
569	select SOC_EMMA2RH
570	select HAVE_PCI
571	help
572	  This enables support for the NEC Electronics Mark-eins boards.
573
574config MACH_VR41XX
575	bool "NEC VR4100 series based machines"
576	select CEVT_R4K
577	select CSRC_R4K
578	select SYS_HAS_CPU_VR41XX
579	select SYS_SUPPORTS_MIPS16
580	select GPIOLIB
581
582config NXP_STB220
583	bool "NXP STB220 board"
584	select SOC_PNX833X
585	help
586	  Support for NXP Semiconductors STB220 Development Board.
587
588config NXP_STB225
589	bool "NXP 225 board"
590	select SOC_PNX833X
591	select SOC_PNX8335
592	help
593	  Support for NXP Semiconductors STB225 Development Board.
594
595config PMC_MSP
596	bool "PMC-Sierra MSP chipsets"
597	select CEVT_R4K
598	select CSRC_R4K
599	select DMA_NONCOHERENT
600	select SWAP_IO_SPACE
601	select NO_EXCEPT_FILL
602	select BOOT_RAW
603	select SYS_HAS_CPU_MIPS32_R1
604	select SYS_HAS_CPU_MIPS32_R2
605	select SYS_SUPPORTS_32BIT_KERNEL
606	select SYS_SUPPORTS_BIG_ENDIAN
607	select SYS_SUPPORTS_MIPS16
608	select IRQ_MIPS_CPU
609	select SERIAL_8250
610	select SERIAL_8250_CONSOLE
611	select USB_EHCI_BIG_ENDIAN_MMIO
612	select USB_EHCI_BIG_ENDIAN_DESC
613	help
614	  This adds support for the PMC-Sierra family of Multi-Service
615	  Processor System-On-A-Chips.  These parts include a number
616	  of integrated peripherals, interfaces and DSPs in addition to
617	  a variety of MIPS cores.
618
619config RALINK
620	bool "Ralink based machines"
621	select CEVT_R4K
622	select CSRC_R4K
623	select BOOT_RAW
624	select DMA_NONCOHERENT
625	select IRQ_MIPS_CPU
626	select USE_OF
627	select SYS_HAS_CPU_MIPS32_R1
628	select SYS_HAS_CPU_MIPS32_R2
629	select SYS_SUPPORTS_32BIT_KERNEL
630	select SYS_SUPPORTS_LITTLE_ENDIAN
631	select SYS_SUPPORTS_MIPS16
632	select SYS_HAS_EARLY_PRINTK
633	select CLKDEV_LOOKUP
634	select ARCH_HAS_RESET_CONTROLLER
635	select RESET_CONTROLLER
636
637config SGI_IP22
638	bool "SGI IP22 (Indy/Indigo2)"
639	select FW_ARC
640	select FW_ARC32
641	select ARCH_MIGHT_HAVE_PC_SERIO
642	select BOOT_ELF32
643	select CEVT_R4K
644	select CSRC_R4K
645	select DEFAULT_SGI_PARTITION
646	select DMA_NONCOHERENT
647	select HAVE_EISA
648	select I8253
649	select I8259
650	select IP22_CPU_SCACHE
651	select IRQ_MIPS_CPU
652	select GENERIC_ISA_DMA_SUPPORT_BROKEN
653	select SGI_HAS_I8042
654	select SGI_HAS_INDYDOG
655	select SGI_HAS_HAL2
656	select SGI_HAS_SEEQ
657	select SGI_HAS_WD93
658	select SGI_HAS_ZILOG
659	select SWAP_IO_SPACE
660	select SYS_HAS_CPU_R4X00
661	select SYS_HAS_CPU_R5000
662	#
663	# Disable EARLY_PRINTK for now since it leads to overwritten prom
664	# memory during early boot on some machines.
665	#
666	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
667	# for a more details discussion
668	#
669	# select SYS_HAS_EARLY_PRINTK
670	select SYS_SUPPORTS_32BIT_KERNEL
671	select SYS_SUPPORTS_64BIT_KERNEL
672	select SYS_SUPPORTS_BIG_ENDIAN
673	select MIPS_L1_CACHE_SHIFT_7
674	help
675	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
676	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
677	  that runs on these, say Y here.
678
679config SGI_IP27
680	bool "SGI IP27 (Origin200/2000)"
681	select ARCH_HAS_PHYS_TO_DMA
682	select FW_ARC
683	select FW_ARC64
684	select BOOT_ELF64
685	select DEFAULT_SGI_PARTITION
686	select SYS_HAS_EARLY_PRINTK
687	select HAVE_PCI
688	select IRQ_MIPS_CPU
689	select IRQ_DOMAIN_HIERARCHY
690	select NR_CPUS_DEFAULT_64
691	select PCI_DRIVERS_GENERIC
692	select PCI_XTALK_BRIDGE
693	select SYS_HAS_CPU_R10000
694	select SYS_SUPPORTS_64BIT_KERNEL
695	select SYS_SUPPORTS_BIG_ENDIAN
696	select SYS_SUPPORTS_NUMA
697	select SYS_SUPPORTS_SMP
698	select MIPS_L1_CACHE_SHIFT_7
699	help
700	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
701	  workstations.  To compile a Linux kernel that runs on these, say Y
702	  here.
703
704config SGI_IP28
705	bool "SGI IP28 (Indigo2 R10k)"
706	select FW_ARC
707	select FW_ARC64
708	select ARCH_MIGHT_HAVE_PC_SERIO
709	select BOOT_ELF64
710	select CEVT_R4K
711	select CSRC_R4K
712	select DEFAULT_SGI_PARTITION
713	select DMA_NONCOHERENT
714	select GENERIC_ISA_DMA_SUPPORT_BROKEN
715	select IRQ_MIPS_CPU
716	select HAVE_EISA
717	select I8253
718	select I8259
719	select SGI_HAS_I8042
720	select SGI_HAS_INDYDOG
721	select SGI_HAS_HAL2
722	select SGI_HAS_SEEQ
723	select SGI_HAS_WD93
724	select SGI_HAS_ZILOG
725	select SWAP_IO_SPACE
726	select SYS_HAS_CPU_R10000
727	#
728	# Disable EARLY_PRINTK for now since it leads to overwritten prom
729	# memory during early boot on some machines.
730	#
731	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
732	# for a more details discussion
733	#
734	# select SYS_HAS_EARLY_PRINTK
735	select SYS_SUPPORTS_64BIT_KERNEL
736	select SYS_SUPPORTS_BIG_ENDIAN
737	select MIPS_L1_CACHE_SHIFT_7
738	help
739	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
740	  kernel that runs on these, say Y here.
741
742config SGI_IP32
743	bool "SGI IP32 (O2)"
744	select ARCH_HAS_PHYS_TO_DMA
745	select FW_ARC
746	select FW_ARC32
747	select BOOT_ELF32
748	select CEVT_R4K
749	select CSRC_R4K
750	select DMA_NONCOHERENT
751	select HAVE_PCI
752	select IRQ_MIPS_CPU
753	select R5000_CPU_SCACHE
754	select RM7000_CPU_SCACHE
755	select SYS_HAS_CPU_R5000
756	select SYS_HAS_CPU_R10000 if BROKEN
757	select SYS_HAS_CPU_RM7000
758	select SYS_HAS_CPU_NEVADA
759	select SYS_SUPPORTS_64BIT_KERNEL
760	select SYS_SUPPORTS_BIG_ENDIAN
761	help
762	  If you want this kernel to run on SGI O2 workstation, say Y here.
763
764config SIBYTE_CRHINE
765	bool "Sibyte BCM91120C-CRhine"
766	select BOOT_ELF32
767	select SIBYTE_BCM1120
768	select SWAP_IO_SPACE
769	select SYS_HAS_CPU_SB1
770	select SYS_SUPPORTS_BIG_ENDIAN
771	select SYS_SUPPORTS_LITTLE_ENDIAN
772
773config SIBYTE_CARMEL
774	bool "Sibyte BCM91120x-Carmel"
775	select BOOT_ELF32
776	select SIBYTE_BCM1120
777	select SWAP_IO_SPACE
778	select SYS_HAS_CPU_SB1
779	select SYS_SUPPORTS_BIG_ENDIAN
780	select SYS_SUPPORTS_LITTLE_ENDIAN
781
782config SIBYTE_CRHONE
783	bool "Sibyte BCM91125C-CRhone"
784	select BOOT_ELF32
785	select SIBYTE_BCM1125
786	select SWAP_IO_SPACE
787	select SYS_HAS_CPU_SB1
788	select SYS_SUPPORTS_BIG_ENDIAN
789	select SYS_SUPPORTS_HIGHMEM
790	select SYS_SUPPORTS_LITTLE_ENDIAN
791
792config SIBYTE_RHONE
793	bool "Sibyte BCM91125E-Rhone"
794	select BOOT_ELF32
795	select SIBYTE_BCM1125H
796	select SWAP_IO_SPACE
797	select SYS_HAS_CPU_SB1
798	select SYS_SUPPORTS_BIG_ENDIAN
799	select SYS_SUPPORTS_LITTLE_ENDIAN
800
801config SIBYTE_SWARM
802	bool "Sibyte BCM91250A-SWARM"
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	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
813
814config SIBYTE_LITTLESUR
815	bool "Sibyte BCM91250C2-LittleSur"
816	select BOOT_ELF32
817	select HAVE_PATA_PLATFORM
818	select SIBYTE_SB1250
819	select SWAP_IO_SPACE
820	select SYS_HAS_CPU_SB1
821	select SYS_SUPPORTS_BIG_ENDIAN
822	select SYS_SUPPORTS_HIGHMEM
823	select SYS_SUPPORTS_LITTLE_ENDIAN
824	select ZONE_DMA32 if 64BIT
825
826config SIBYTE_SENTOSA
827	bool "Sibyte BCM91250E-Sentosa"
828	select BOOT_ELF32
829	select SIBYTE_SB1250
830	select SWAP_IO_SPACE
831	select SYS_HAS_CPU_SB1
832	select SYS_SUPPORTS_BIG_ENDIAN
833	select SYS_SUPPORTS_LITTLE_ENDIAN
834	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
835
836config SIBYTE_BIGSUR
837	bool "Sibyte BCM91480B-BigSur"
838	select BOOT_ELF32
839	select NR_CPUS_DEFAULT_4
840	select SIBYTE_BCM1x80
841	select SWAP_IO_SPACE
842	select SYS_HAS_CPU_SB1
843	select SYS_SUPPORTS_BIG_ENDIAN
844	select SYS_SUPPORTS_HIGHMEM
845	select SYS_SUPPORTS_LITTLE_ENDIAN
846	select ZONE_DMA32 if 64BIT
847	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
848
849config SNI_RM
850	bool "SNI RM200/300/400"
851	select FW_ARC if CPU_LITTLE_ENDIAN
852	select FW_ARC32 if CPU_LITTLE_ENDIAN
853	select FW_SNIPROM if CPU_BIG_ENDIAN
854	select ARCH_MAY_HAVE_PC_FDC
855	select ARCH_MIGHT_HAVE_PC_PARPORT
856	select ARCH_MIGHT_HAVE_PC_SERIO
857	select BOOT_ELF32
858	select CEVT_R4K
859	select CSRC_R4K
860	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
861	select DMA_NONCOHERENT
862	select GENERIC_ISA_DMA
863	select HAVE_EISA
864	select HAVE_PCSPKR_PLATFORM
865	select HAVE_PCI
866	select IRQ_MIPS_CPU
867	select I8253
868	select I8259
869	select ISA
870	select MIPS_L1_CACHE_SHIFT_6
871	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
872	select SYS_HAS_CPU_R4X00
873	select SYS_HAS_CPU_R5000
874	select SYS_HAS_CPU_R10000
875	select R5000_CPU_SCACHE
876	select SYS_HAS_EARLY_PRINTK
877	select SYS_SUPPORTS_32BIT_KERNEL
878	select SYS_SUPPORTS_64BIT_KERNEL
879	select SYS_SUPPORTS_BIG_ENDIAN
880	select SYS_SUPPORTS_HIGHMEM
881	select SYS_SUPPORTS_LITTLE_ENDIAN
882	help
883	  The SNI RM200/300/400 are MIPS-based machines manufactured by
884	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
885	  Technology and now in turn merged with Fujitsu.  Say Y here to
886	  support this machine type.
887
888config MACH_TX39XX
889	bool "Toshiba TX39 series based machines"
890
891config MACH_TX49XX
892	bool "Toshiba TX49 series based machines"
893
894config MIKROTIK_RB532
895	bool "Mikrotik RB532 boards"
896	select CEVT_R4K
897	select CSRC_R4K
898	select DMA_NONCOHERENT
899	select HAVE_PCI
900	select IRQ_MIPS_CPU
901	select SYS_HAS_CPU_MIPS32_R1
902	select SYS_SUPPORTS_32BIT_KERNEL
903	select SYS_SUPPORTS_LITTLE_ENDIAN
904	select SWAP_IO_SPACE
905	select BOOT_RAW
906	select GPIOLIB
907	select MIPS_L1_CACHE_SHIFT_4
908	help
909	  Support the Mikrotik(tm) RouterBoard 532 series,
910	  based on the IDT RC32434 SoC.
911
912config CAVIUM_OCTEON_SOC
913	bool "Cavium Networks Octeon SoC based boards"
914	select CEVT_R4K
915	select ARCH_HAS_PHYS_TO_DMA
916	select HAVE_RAPIDIO
917	select PHYS_ADDR_T_64BIT
918	select SYS_SUPPORTS_64BIT_KERNEL
919	select SYS_SUPPORTS_BIG_ENDIAN
920	select EDAC_SUPPORT
921	select EDAC_ATOMIC_SCRUB
922	select SYS_SUPPORTS_LITTLE_ENDIAN
923	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
924	select SYS_HAS_EARLY_PRINTK
925	select SYS_HAS_CPU_CAVIUM_OCTEON
926	select HAVE_PCI
927	select ZONE_DMA32
928	select HOLES_IN_ZONE
929	select GPIOLIB
930	select LIBFDT
931	select USE_OF
932	select ARCH_SPARSEMEM_ENABLE
933	select SYS_SUPPORTS_SMP
934	select NR_CPUS_DEFAULT_64
935	select MIPS_NR_CPU_NR_MAP_1024
936	select BUILTIN_DTB
937	select MTD_COMPLEX_MAPPINGS
938	select SWIOTLB
939	select SYS_SUPPORTS_RELOCATABLE
940	help
941	  This option supports all of the Octeon reference boards from Cavium
942	  Networks. It builds a kernel that dynamically determines the Octeon
943	  CPU type and supports all known board reference implementations.
944	  Some of the supported boards are:
945		EBT3000
946		EBH3000
947		EBH3100
948		Thunder
949		Kodama
950		Hikari
951	  Say Y here for most Octeon reference boards.
952
953config NLM_XLR_BOARD
954	bool "Netlogic XLR/XLS based systems"
955	select BOOT_ELF32
956	select NLM_COMMON
957	select SYS_HAS_CPU_XLR
958	select SYS_SUPPORTS_SMP
959	select HAVE_PCI
960	select SWAP_IO_SPACE
961	select SYS_SUPPORTS_32BIT_KERNEL
962	select SYS_SUPPORTS_64BIT_KERNEL
963	select PHYS_ADDR_T_64BIT
964	select SYS_SUPPORTS_BIG_ENDIAN
965	select SYS_SUPPORTS_HIGHMEM
966	select NR_CPUS_DEFAULT_32
967	select CEVT_R4K
968	select CSRC_R4K
969	select IRQ_MIPS_CPU
970	select ZONE_DMA32 if 64BIT
971	select SYNC_R4K
972	select SYS_HAS_EARLY_PRINTK
973	select SYS_SUPPORTS_ZBOOT
974	select SYS_SUPPORTS_ZBOOT_UART16550
975	help
976	  Support for systems based on Netlogic XLR and XLS processors.
977	  Say Y here if you have a XLR or XLS based board.
978
979config NLM_XLP_BOARD
980	bool "Netlogic XLP based systems"
981	select BOOT_ELF32
982	select NLM_COMMON
983	select SYS_HAS_CPU_XLP
984	select SYS_SUPPORTS_SMP
985	select HAVE_PCI
986	select SYS_SUPPORTS_32BIT_KERNEL
987	select SYS_SUPPORTS_64BIT_KERNEL
988	select PHYS_ADDR_T_64BIT
989	select GPIOLIB
990	select SYS_SUPPORTS_BIG_ENDIAN
991	select SYS_SUPPORTS_LITTLE_ENDIAN
992	select SYS_SUPPORTS_HIGHMEM
993	select NR_CPUS_DEFAULT_32
994	select CEVT_R4K
995	select CSRC_R4K
996	select IRQ_MIPS_CPU
997	select ZONE_DMA32 if 64BIT
998	select SYNC_R4K
999	select SYS_HAS_EARLY_PRINTK
1000	select USE_OF
1001	select SYS_SUPPORTS_ZBOOT
1002	select SYS_SUPPORTS_ZBOOT_UART16550
1003	help
1004	  This board is based on Netlogic XLP Processor.
1005	  Say Y here if you have a XLP based board.
1006
1007config MIPS_PARAVIRT
1008	bool "Para-Virtualized guest system"
1009	select CEVT_R4K
1010	select CSRC_R4K
1011	select SYS_SUPPORTS_64BIT_KERNEL
1012	select SYS_SUPPORTS_32BIT_KERNEL
1013	select SYS_SUPPORTS_BIG_ENDIAN
1014	select SYS_SUPPORTS_SMP
1015	select NR_CPUS_DEFAULT_4
1016	select SYS_HAS_EARLY_PRINTK
1017	select SYS_HAS_CPU_MIPS32_R2
1018	select SYS_HAS_CPU_MIPS64_R2
1019	select SYS_HAS_CPU_CAVIUM_OCTEON
1020	select HAVE_PCI
1021	select SWAP_IO_SPACE
1022	help
1023	  This option supports guest running under ????
1024
1025endchoice
1026
1027source "arch/mips/alchemy/Kconfig"
1028source "arch/mips/ath25/Kconfig"
1029source "arch/mips/ath79/Kconfig"
1030source "arch/mips/bcm47xx/Kconfig"
1031source "arch/mips/bcm63xx/Kconfig"
1032source "arch/mips/bmips/Kconfig"
1033source "arch/mips/generic/Kconfig"
1034source "arch/mips/jazz/Kconfig"
1035source "arch/mips/jz4740/Kconfig"
1036source "arch/mips/lantiq/Kconfig"
1037source "arch/mips/lasat/Kconfig"
1038source "arch/mips/pic32/Kconfig"
1039source "arch/mips/pistachio/Kconfig"
1040source "arch/mips/pmcs-msp71xx/Kconfig"
1041source "arch/mips/ralink/Kconfig"
1042source "arch/mips/sgi-ip27/Kconfig"
1043source "arch/mips/sibyte/Kconfig"
1044source "arch/mips/txx9/Kconfig"
1045source "arch/mips/vr41xx/Kconfig"
1046source "arch/mips/cavium-octeon/Kconfig"
1047source "arch/mips/loongson32/Kconfig"
1048source "arch/mips/loongson64/Kconfig"
1049source "arch/mips/netlogic/Kconfig"
1050source "arch/mips/paravirt/Kconfig"
1051
1052endmenu
1053
1054config GENERIC_HWEIGHT
1055	bool
1056	default y
1057
1058config GENERIC_CALIBRATE_DELAY
1059	bool
1060	default y
1061
1062config SCHED_OMIT_FRAME_POINTER
1063	bool
1064	default y
1065
1066#
1067# Select some configuration options automatically based on user selections.
1068#
1069config FW_ARC
1070	bool
1071
1072config ARCH_MAY_HAVE_PC_FDC
1073	bool
1074
1075config BOOT_RAW
1076	bool
1077
1078config CEVT_BCM1480
1079	bool
1080
1081config CEVT_DS1287
1082	bool
1083
1084config CEVT_GT641XX
1085	bool
1086
1087config CEVT_R4K
1088	bool
1089
1090config CEVT_SB1250
1091	bool
1092
1093config CEVT_TXX9
1094	bool
1095
1096config CSRC_BCM1480
1097	bool
1098
1099config CSRC_IOASIC
1100	bool
1101
1102config CSRC_R4K
1103	bool
1104
1105config CSRC_SB1250
1106	bool
1107
1108config MIPS_CLOCK_VSYSCALL
1109	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1110
1111config GPIO_TXX9
1112	select GPIOLIB
1113	bool
1114
1115config FW_CFE
1116	bool
1117
1118config ARCH_SUPPORTS_UPROBES
1119	bool
1120
1121config DMA_MAYBE_COHERENT
1122	select ARCH_HAS_DMA_COHERENCE_H
1123	select DMA_NONCOHERENT
1124	bool
1125
1126config DMA_PERDEV_COHERENT
1127	bool
1128	select ARCH_HAS_SETUP_DMA_OPS
1129	select DMA_NONCOHERENT
1130
1131config DMA_NONCOHERENT
1132	bool
1133	#
1134	# MIPS allows mixing "slightly different" Cacheability and Coherency
1135	# Attribute bits.  It is believed that the uncached access through
1136	# KSEG1 and the implementation specific "uncached accelerated" used
1137	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1138	# significant advantages.
1139	#
1140	select ARCH_HAS_DMA_WRITE_COMBINE
1141	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1142	select ARCH_HAS_UNCACHED_SEGMENT
1143	select NEED_DMA_MAP_STATE
1144	select ARCH_HAS_DMA_COHERENT_TO_PFN
1145	select DMA_NONCOHERENT_CACHE_SYNC
1146
1147config SYS_HAS_EARLY_PRINTK
1148	bool
1149
1150config SYS_SUPPORTS_HOTPLUG_CPU
1151	bool
1152
1153config MIPS_BONITO64
1154	bool
1155
1156config MIPS_MSC
1157	bool
1158
1159config MIPS_NILE4
1160	bool
1161
1162config SYNC_R4K
1163	bool
1164
1165config MIPS_MACHINE
1166	def_bool n
1167
1168config NO_IOPORT_MAP
1169	def_bool n
1170
1171config GENERIC_CSUM
1172	bool
1173	default y if !CPU_HAS_LOAD_STORE_LR
1174
1175config GENERIC_ISA_DMA
1176	bool
1177	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1178	select ISA_DMA_API
1179
1180config GENERIC_ISA_DMA_SUPPORT_BROKEN
1181	bool
1182	select GENERIC_ISA_DMA
1183
1184config ISA_DMA_API
1185	bool
1186
1187config HOLES_IN_ZONE
1188	bool
1189
1190config SYS_SUPPORTS_RELOCATABLE
1191	bool
1192	help
1193	  Selected if the platform supports relocating the kernel.
1194	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1195	  to allow access to command line and entropy sources.
1196
1197config MIPS_CBPF_JIT
1198	def_bool y
1199	depends on BPF_JIT && HAVE_CBPF_JIT
1200
1201config MIPS_EBPF_JIT
1202	def_bool y
1203	depends on BPF_JIT && HAVE_EBPF_JIT
1204
1205
1206#
1207# Endianness selection.  Sufficiently obscure so many users don't know what to
1208# answer,so we try hard to limit the available choices.  Also the use of a
1209# choice statement should be more obvious to the user.
1210#
1211choice
1212	prompt "Endianness selection"
1213	help
1214	  Some MIPS machines can be configured for either little or big endian
1215	  byte order. These modes require different kernels and a different
1216	  Linux distribution.  In general there is one preferred byteorder for a
1217	  particular system but some systems are just as commonly used in the
1218	  one or the other endianness.
1219
1220config CPU_BIG_ENDIAN
1221	bool "Big endian"
1222	depends on SYS_SUPPORTS_BIG_ENDIAN
1223
1224config CPU_LITTLE_ENDIAN
1225	bool "Little endian"
1226	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1227
1228endchoice
1229
1230config EXPORT_UASM
1231	bool
1232
1233config SYS_SUPPORTS_APM_EMULATION
1234	bool
1235
1236config SYS_SUPPORTS_BIG_ENDIAN
1237	bool
1238
1239config SYS_SUPPORTS_LITTLE_ENDIAN
1240	bool
1241
1242config SYS_SUPPORTS_HUGETLBFS
1243	bool
1244	depends on CPU_SUPPORTS_HUGEPAGES
1245	default y
1246
1247config MIPS_HUGE_TLB_SUPPORT
1248	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1249
1250config IRQ_CPU_RM7K
1251	bool
1252
1253config IRQ_MSP_SLP
1254	bool
1255
1256config IRQ_MSP_CIC
1257	bool
1258
1259config IRQ_TXX9
1260	bool
1261
1262config IRQ_GT641XX
1263	bool
1264
1265config PCI_GT64XXX_PCI0
1266	bool
1267
1268config PCI_XTALK_BRIDGE
1269	bool
1270
1271config NO_EXCEPT_FILL
1272	bool
1273
1274config SOC_EMMA2RH
1275	bool
1276	select CEVT_R4K
1277	select CSRC_R4K
1278	select DMA_NONCOHERENT
1279	select IRQ_MIPS_CPU
1280	select SWAP_IO_SPACE
1281	select SYS_HAS_CPU_R5500
1282	select SYS_SUPPORTS_32BIT_KERNEL
1283	select SYS_SUPPORTS_64BIT_KERNEL
1284	select SYS_SUPPORTS_BIG_ENDIAN
1285
1286config SOC_PNX833X
1287	bool
1288	select CEVT_R4K
1289	select CSRC_R4K
1290	select IRQ_MIPS_CPU
1291	select DMA_NONCOHERENT
1292	select SYS_HAS_CPU_MIPS32_R2
1293	select SYS_SUPPORTS_32BIT_KERNEL
1294	select SYS_SUPPORTS_LITTLE_ENDIAN
1295	select SYS_SUPPORTS_BIG_ENDIAN
1296	select SYS_SUPPORTS_MIPS16
1297	select CPU_MIPSR2_IRQ_VI
1298
1299config SOC_PNX8335
1300	bool
1301	select SOC_PNX833X
1302
1303config MIPS_SPRAM
1304	bool
1305
1306config SWAP_IO_SPACE
1307	bool
1308
1309config SGI_HAS_INDYDOG
1310	bool
1311
1312config SGI_HAS_HAL2
1313	bool
1314
1315config SGI_HAS_SEEQ
1316	bool
1317
1318config SGI_HAS_WD93
1319	bool
1320
1321config SGI_HAS_ZILOG
1322	bool
1323
1324config SGI_HAS_I8042
1325	bool
1326
1327config DEFAULT_SGI_PARTITION
1328	bool
1329
1330config FW_ARC32
1331	bool
1332
1333config FW_SNIPROM
1334	bool
1335
1336config BOOT_ELF32
1337	bool
1338
1339config MIPS_L1_CACHE_SHIFT_4
1340	bool
1341
1342config MIPS_L1_CACHE_SHIFT_5
1343	bool
1344
1345config MIPS_L1_CACHE_SHIFT_6
1346	bool
1347
1348config MIPS_L1_CACHE_SHIFT_7
1349	bool
1350
1351config MIPS_L1_CACHE_SHIFT
1352	int
1353	default "7" if MIPS_L1_CACHE_SHIFT_7
1354	default "6" if MIPS_L1_CACHE_SHIFT_6
1355	default "5" if MIPS_L1_CACHE_SHIFT_5
1356	default "4" if MIPS_L1_CACHE_SHIFT_4
1357	default "5"
1358
1359config HAVE_STD_PC_SERIAL_PORT
1360	bool
1361
1362config ARC_CONSOLE
1363	bool "ARC console support"
1364	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1365
1366config ARC_MEMORY
1367	bool
1368	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1369	default y
1370
1371config ARC_PROMLIB
1372	bool
1373	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1374	default y
1375
1376config FW_ARC64
1377	bool
1378
1379config BOOT_ELF64
1380	bool
1381
1382menu "CPU selection"
1383
1384choice
1385	prompt "CPU type"
1386	default CPU_R4X00
1387
1388config CPU_LOONGSON3
1389	bool "Loongson 3 CPU"
1390	depends on SYS_HAS_CPU_LOONGSON3
1391	select ARCH_HAS_PHYS_TO_DMA
1392	select CPU_SUPPORTS_64BIT_KERNEL
1393	select CPU_SUPPORTS_HIGHMEM
1394	select CPU_SUPPORTS_HUGEPAGES
1395	select CPU_HAS_LOAD_STORE_LR
1396	select WEAK_ORDERING
1397	select WEAK_REORDERING_BEYOND_LLSC
1398	select MIPS_PGD_C0_CONTEXT
1399	select MIPS_L1_CACHE_SHIFT_6
1400	select MIPS_FP_SUPPORT
1401	select GPIOLIB
1402	select SWIOTLB
1403	help
1404		The Loongson 3 processor implements the MIPS64R2 instruction
1405		set with many extensions.
1406
1407config LOONGSON3_ENHANCEMENT
1408	bool "New Loongson 3 CPU Enhancements"
1409	default n
1410	select CPU_MIPSR2
1411	select CPU_HAS_PREFETCH
1412	depends on CPU_LOONGSON3
1413	help
1414	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1415	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1416	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1417	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1418	  Fast TLB refill support, etc.
1419
1420	  This option enable those enhancements which are not probed at run
1421	  time. If you want a generic kernel to run on all Loongson 3 machines,
1422	  please say 'N' here. If you want a high-performance kernel to run on
1423	  new Loongson 3 machines only, please say 'Y' here.
1424
1425config CPU_LOONGSON3_WORKAROUNDS
1426	bool "Old Loongson 3 LLSC Workarounds"
1427	default y if SMP
1428	depends on CPU_LOONGSON3
1429	help
1430	  Loongson 3 processors have the llsc issues which require workarounds.
1431	  Without workarounds the system may hang unexpectedly.
1432
1433	  Newer Loongson 3 will fix these issues and no workarounds are needed.
1434	  The workarounds have no significant side effect on them but may
1435	  decrease the performance of the system so this option should be
1436	  disabled unless the kernel is intended to be run on old systems.
1437
1438	  If unsure, please say Y.
1439
1440config CPU_LOONGSON2E
1441	bool "Loongson 2E"
1442	depends on SYS_HAS_CPU_LOONGSON2E
1443	select CPU_LOONGSON2
1444	help
1445	  The Loongson 2E processor implements the MIPS III instruction set
1446	  with many extensions.
1447
1448	  It has an internal FPGA northbridge, which is compatible to
1449	  bonito64.
1450
1451config CPU_LOONGSON2F
1452	bool "Loongson 2F"
1453	depends on SYS_HAS_CPU_LOONGSON2F
1454	select CPU_LOONGSON2
1455	select GPIOLIB
1456	help
1457	  The Loongson 2F processor implements the MIPS III instruction set
1458	  with many extensions.
1459
1460	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1461	  have a similar programming interface with FPGA northbridge used in
1462	  Loongson2E.
1463
1464config CPU_LOONGSON1B
1465	bool "Loongson 1B"
1466	depends on SYS_HAS_CPU_LOONGSON1B
1467	select CPU_LOONGSON1
1468	select LEDS_GPIO_REGISTER
1469	help
1470	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1471	  Release 1 instruction set and part of the MIPS32 Release 2
1472	  instruction set.
1473
1474config CPU_LOONGSON1C
1475	bool "Loongson 1C"
1476	depends on SYS_HAS_CPU_LOONGSON1C
1477	select CPU_LOONGSON1
1478	select LEDS_GPIO_REGISTER
1479	help
1480	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1481	  Release 1 instruction set and part of the MIPS32 Release 2
1482	  instruction set.
1483
1484config CPU_MIPS32_R1
1485	bool "MIPS32 Release 1"
1486	depends on SYS_HAS_CPU_MIPS32_R1
1487	select CPU_HAS_PREFETCH
1488	select CPU_HAS_LOAD_STORE_LR
1489	select CPU_SUPPORTS_32BIT_KERNEL
1490	select CPU_SUPPORTS_HIGHMEM
1491	help
1492	  Choose this option to build a kernel for release 1 or later of the
1493	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1494	  MIPS processor are based on a MIPS32 processor.  If you know the
1495	  specific type of processor in your system, choose those that one
1496	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1497	  Release 2 of the MIPS32 architecture is available since several
1498	  years so chances are you even have a MIPS32 Release 2 processor
1499	  in which case you should choose CPU_MIPS32_R2 instead for better
1500	  performance.
1501
1502config CPU_MIPS32_R2
1503	bool "MIPS32 Release 2"
1504	depends on SYS_HAS_CPU_MIPS32_R2
1505	select CPU_HAS_PREFETCH
1506	select CPU_HAS_LOAD_STORE_LR
1507	select CPU_SUPPORTS_32BIT_KERNEL
1508	select CPU_SUPPORTS_HIGHMEM
1509	select CPU_SUPPORTS_MSA
1510	select HAVE_KVM
1511	help
1512	  Choose this option to build a kernel for release 2 or later of the
1513	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1514	  MIPS processor are based on a MIPS32 processor.  If you know the
1515	  specific type of processor in your system, choose those that one
1516	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1517
1518config CPU_MIPS32_R6
1519	bool "MIPS32 Release 6"
1520	depends on SYS_HAS_CPU_MIPS32_R6
1521	select CPU_HAS_PREFETCH
1522	select CPU_SUPPORTS_32BIT_KERNEL
1523	select CPU_SUPPORTS_HIGHMEM
1524	select CPU_SUPPORTS_MSA
1525	select HAVE_KVM
1526	select MIPS_O32_FP64_SUPPORT
1527	help
1528	  Choose this option to build a kernel for release 6 or later of the
1529	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1530	  family, are based on a MIPS32r6 processor. If you own an older
1531	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1532
1533config CPU_MIPS64_R1
1534	bool "MIPS64 Release 1"
1535	depends on SYS_HAS_CPU_MIPS64_R1
1536	select CPU_HAS_PREFETCH
1537	select CPU_HAS_LOAD_STORE_LR
1538	select CPU_SUPPORTS_32BIT_KERNEL
1539	select CPU_SUPPORTS_64BIT_KERNEL
1540	select CPU_SUPPORTS_HIGHMEM
1541	select CPU_SUPPORTS_HUGEPAGES
1542	help
1543	  Choose this option to build a kernel for release 1 or later of the
1544	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1545	  MIPS processor are based on a MIPS64 processor.  If you know the
1546	  specific type of processor in your system, choose those that one
1547	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1548	  Release 2 of the MIPS64 architecture is available since several
1549	  years so chances are you even have a MIPS64 Release 2 processor
1550	  in which case you should choose CPU_MIPS64_R2 instead for better
1551	  performance.
1552
1553config CPU_MIPS64_R2
1554	bool "MIPS64 Release 2"
1555	depends on SYS_HAS_CPU_MIPS64_R2
1556	select CPU_HAS_PREFETCH
1557	select CPU_HAS_LOAD_STORE_LR
1558	select CPU_SUPPORTS_32BIT_KERNEL
1559	select CPU_SUPPORTS_64BIT_KERNEL
1560	select CPU_SUPPORTS_HIGHMEM
1561	select CPU_SUPPORTS_HUGEPAGES
1562	select CPU_SUPPORTS_MSA
1563	select HAVE_KVM
1564	help
1565	  Choose this option to build a kernel for release 2 or later of the
1566	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1567	  MIPS processor are based on a MIPS64 processor.  If you know the
1568	  specific type of processor in your system, choose those that one
1569	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1570
1571config CPU_MIPS64_R6
1572	bool "MIPS64 Release 6"
1573	depends on SYS_HAS_CPU_MIPS64_R6
1574	select CPU_HAS_PREFETCH
1575	select CPU_SUPPORTS_32BIT_KERNEL
1576	select CPU_SUPPORTS_64BIT_KERNEL
1577	select CPU_SUPPORTS_HIGHMEM
1578	select CPU_SUPPORTS_HUGEPAGES
1579	select CPU_SUPPORTS_MSA
1580	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1581	select HAVE_KVM
1582	help
1583	  Choose this option to build a kernel for release 6 or later of the
1584	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1585	  family, are based on a MIPS64r6 processor. If you own an older
1586	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1587
1588config CPU_R3000
1589	bool "R3000"
1590	depends on SYS_HAS_CPU_R3000
1591	select CPU_HAS_WB
1592	select CPU_HAS_LOAD_STORE_LR
1593	select CPU_R3K_TLB
1594	select CPU_SUPPORTS_32BIT_KERNEL
1595	select CPU_SUPPORTS_HIGHMEM
1596	help
1597	  Please make sure to pick the right CPU type. Linux/MIPS is not
1598	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1599	  *not* work on R4000 machines and vice versa.  However, since most
1600	  of the supported machines have an R4000 (or similar) CPU, R4x00
1601	  might be a safe bet.  If the resulting kernel does not work,
1602	  try to recompile with R3000.
1603
1604config CPU_TX39XX
1605	bool "R39XX"
1606	depends on SYS_HAS_CPU_TX39XX
1607	select CPU_SUPPORTS_32BIT_KERNEL
1608	select CPU_HAS_LOAD_STORE_LR
1609	select CPU_R3K_TLB
1610
1611config CPU_VR41XX
1612	bool "R41xx"
1613	depends on SYS_HAS_CPU_VR41XX
1614	select CPU_SUPPORTS_32BIT_KERNEL
1615	select CPU_SUPPORTS_64BIT_KERNEL
1616	select CPU_HAS_LOAD_STORE_LR
1617	help
1618	  The options selects support for the NEC VR4100 series of processors.
1619	  Only choose this option if you have one of these processors as a
1620	  kernel built with this option will not run on any other type of
1621	  processor or vice versa.
1622
1623config CPU_R4X00
1624	bool "R4x00"
1625	depends on SYS_HAS_CPU_R4X00
1626	select CPU_SUPPORTS_32BIT_KERNEL
1627	select CPU_SUPPORTS_64BIT_KERNEL
1628	select CPU_SUPPORTS_HUGEPAGES
1629	select CPU_HAS_LOAD_STORE_LR
1630	help
1631	  MIPS Technologies R4000-series processors other than 4300, including
1632	  the R4000, R4400, R4600, and 4700.
1633
1634config CPU_TX49XX
1635	bool "R49XX"
1636	depends on SYS_HAS_CPU_TX49XX
1637	select CPU_HAS_PREFETCH
1638	select CPU_HAS_LOAD_STORE_LR
1639	select CPU_SUPPORTS_32BIT_KERNEL
1640	select CPU_SUPPORTS_64BIT_KERNEL
1641	select CPU_SUPPORTS_HUGEPAGES
1642
1643config CPU_R5000
1644	bool "R5000"
1645	depends on SYS_HAS_CPU_R5000
1646	select CPU_SUPPORTS_32BIT_KERNEL
1647	select CPU_SUPPORTS_64BIT_KERNEL
1648	select CPU_SUPPORTS_HUGEPAGES
1649	select CPU_HAS_LOAD_STORE_LR
1650	help
1651	  MIPS Technologies R5000-series processors other than the Nevada.
1652
1653config CPU_R5500
1654	bool "R5500"
1655	depends on SYS_HAS_CPU_R5500
1656	select CPU_SUPPORTS_32BIT_KERNEL
1657	select CPU_SUPPORTS_64BIT_KERNEL
1658	select CPU_SUPPORTS_HUGEPAGES
1659	select CPU_HAS_LOAD_STORE_LR
1660	help
1661	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1662	  instruction set.
1663
1664config CPU_NEVADA
1665	bool "RM52xx"
1666	depends on SYS_HAS_CPU_NEVADA
1667	select CPU_SUPPORTS_32BIT_KERNEL
1668	select CPU_SUPPORTS_64BIT_KERNEL
1669	select CPU_SUPPORTS_HUGEPAGES
1670	select CPU_HAS_LOAD_STORE_LR
1671	help
1672	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1673
1674config CPU_R10000
1675	bool "R10000"
1676	depends on SYS_HAS_CPU_R10000
1677	select CPU_HAS_PREFETCH
1678	select CPU_HAS_LOAD_STORE_LR
1679	select CPU_SUPPORTS_32BIT_KERNEL
1680	select CPU_SUPPORTS_64BIT_KERNEL
1681	select CPU_SUPPORTS_HIGHMEM
1682	select CPU_SUPPORTS_HUGEPAGES
1683	help
1684	  MIPS Technologies R10000-series processors.
1685
1686config CPU_RM7000
1687	bool "RM7000"
1688	depends on SYS_HAS_CPU_RM7000
1689	select CPU_HAS_PREFETCH
1690	select CPU_HAS_LOAD_STORE_LR
1691	select CPU_SUPPORTS_32BIT_KERNEL
1692	select CPU_SUPPORTS_64BIT_KERNEL
1693	select CPU_SUPPORTS_HIGHMEM
1694	select CPU_SUPPORTS_HUGEPAGES
1695
1696config CPU_SB1
1697	bool "SB1"
1698	depends on SYS_HAS_CPU_SB1
1699	select CPU_HAS_LOAD_STORE_LR
1700	select CPU_SUPPORTS_32BIT_KERNEL
1701	select CPU_SUPPORTS_64BIT_KERNEL
1702	select CPU_SUPPORTS_HIGHMEM
1703	select CPU_SUPPORTS_HUGEPAGES
1704	select WEAK_ORDERING
1705
1706config CPU_CAVIUM_OCTEON
1707	bool "Cavium Octeon processor"
1708	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1709	select CPU_HAS_PREFETCH
1710	select CPU_HAS_LOAD_STORE_LR
1711	select CPU_SUPPORTS_64BIT_KERNEL
1712	select WEAK_ORDERING
1713	select CPU_SUPPORTS_HIGHMEM
1714	select CPU_SUPPORTS_HUGEPAGES
1715	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1716	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1717	select MIPS_L1_CACHE_SHIFT_7
1718	select HAVE_KVM
1719	help
1720	  The Cavium Octeon processor is a highly integrated chip containing
1721	  many ethernet hardware widgets for networking tasks. The processor
1722	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1723	  Full details can be found at http://www.caviumnetworks.com.
1724
1725config CPU_BMIPS
1726	bool "Broadcom BMIPS"
1727	depends on SYS_HAS_CPU_BMIPS
1728	select CPU_MIPS32
1729	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1730	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1731	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1732	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1733	select CPU_SUPPORTS_32BIT_KERNEL
1734	select DMA_NONCOHERENT
1735	select IRQ_MIPS_CPU
1736	select SWAP_IO_SPACE
1737	select WEAK_ORDERING
1738	select CPU_SUPPORTS_HIGHMEM
1739	select CPU_HAS_PREFETCH
1740	select CPU_HAS_LOAD_STORE_LR
1741	select CPU_SUPPORTS_CPUFREQ
1742	select MIPS_EXTERNAL_TIMER
1743	help
1744	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1745
1746config CPU_XLR
1747	bool "Netlogic XLR SoC"
1748	depends on SYS_HAS_CPU_XLR
1749	select CPU_HAS_LOAD_STORE_LR
1750	select CPU_SUPPORTS_32BIT_KERNEL
1751	select CPU_SUPPORTS_64BIT_KERNEL
1752	select CPU_SUPPORTS_HIGHMEM
1753	select CPU_SUPPORTS_HUGEPAGES
1754	select WEAK_ORDERING
1755	select WEAK_REORDERING_BEYOND_LLSC
1756	help
1757	  Netlogic Microsystems XLR/XLS processors.
1758
1759config CPU_XLP
1760	bool "Netlogic XLP SoC"
1761	depends on SYS_HAS_CPU_XLP
1762	select CPU_SUPPORTS_32BIT_KERNEL
1763	select CPU_SUPPORTS_64BIT_KERNEL
1764	select CPU_SUPPORTS_HIGHMEM
1765	select WEAK_ORDERING
1766	select WEAK_REORDERING_BEYOND_LLSC
1767	select CPU_HAS_PREFETCH
1768	select CPU_HAS_LOAD_STORE_LR
1769	select CPU_MIPSR2
1770	select CPU_SUPPORTS_HUGEPAGES
1771	select MIPS_ASID_BITS_VARIABLE
1772	help
1773	  Netlogic Microsystems XLP processors.
1774endchoice
1775
1776config CPU_MIPS32_3_5_FEATURES
1777	bool "MIPS32 Release 3.5 Features"
1778	depends on SYS_HAS_CPU_MIPS32_R3_5
1779	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1780	help
1781	  Choose this option to build a kernel for release 2 or later of the
1782	  MIPS32 architecture including features from the 3.5 release such as
1783	  support for Enhanced Virtual Addressing (EVA).
1784
1785config CPU_MIPS32_3_5_EVA
1786	bool "Enhanced Virtual Addressing (EVA)"
1787	depends on CPU_MIPS32_3_5_FEATURES
1788	select EVA
1789	default y
1790	help
1791	  Choose this option if you want to enable the Enhanced Virtual
1792	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1793	  One of its primary benefits is an increase in the maximum size
1794	  of lowmem (up to 3GB). If unsure, say 'N' here.
1795
1796config CPU_MIPS32_R5_FEATURES
1797	bool "MIPS32 Release 5 Features"
1798	depends on SYS_HAS_CPU_MIPS32_R5
1799	depends on CPU_MIPS32_R2
1800	help
1801	  Choose this option to build a kernel for release 2 or later of the
1802	  MIPS32 architecture including features from release 5 such as
1803	  support for Extended Physical Addressing (XPA).
1804
1805config CPU_MIPS32_R5_XPA
1806	bool "Extended Physical Addressing (XPA)"
1807	depends on CPU_MIPS32_R5_FEATURES
1808	depends on !EVA
1809	depends on !PAGE_SIZE_4KB
1810	depends on SYS_SUPPORTS_HIGHMEM
1811	select XPA
1812	select HIGHMEM
1813	select PHYS_ADDR_T_64BIT
1814	default n
1815	help
1816	  Choose this option if you want to enable the Extended Physical
1817	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1818	  benefit is to increase physical addressing equal to or greater
1819	  than 40 bits. Note that this has the side effect of turning on
1820	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1821	  If unsure, say 'N' here.
1822
1823if CPU_LOONGSON2F
1824config CPU_NOP_WORKAROUNDS
1825	bool
1826
1827config CPU_JUMP_WORKAROUNDS
1828	bool
1829
1830config CPU_LOONGSON2F_WORKAROUNDS
1831	bool "Loongson 2F Workarounds"
1832	default y
1833	select CPU_NOP_WORKAROUNDS
1834	select CPU_JUMP_WORKAROUNDS
1835	help
1836	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1837	  require workarounds.  Without workarounds the system may hang
1838	  unexpectedly.  For more information please refer to the gas
1839	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1840
1841	  Loongson 2F03 and later have fixed these issues and no workarounds
1842	  are needed.  The workarounds have no significant side effect on them
1843	  but may decrease the performance of the system so this option should
1844	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1845	  systems.
1846
1847	  If unsure, please say Y.
1848endif # CPU_LOONGSON2F
1849
1850config SYS_SUPPORTS_ZBOOT
1851	bool
1852	select HAVE_KERNEL_GZIP
1853	select HAVE_KERNEL_BZIP2
1854	select HAVE_KERNEL_LZ4
1855	select HAVE_KERNEL_LZMA
1856	select HAVE_KERNEL_LZO
1857	select HAVE_KERNEL_XZ
1858
1859config SYS_SUPPORTS_ZBOOT_UART16550
1860	bool
1861	select SYS_SUPPORTS_ZBOOT
1862
1863config SYS_SUPPORTS_ZBOOT_UART_PROM
1864	bool
1865	select SYS_SUPPORTS_ZBOOT
1866
1867config CPU_LOONGSON2
1868	bool
1869	select CPU_SUPPORTS_32BIT_KERNEL
1870	select CPU_SUPPORTS_64BIT_KERNEL
1871	select CPU_SUPPORTS_HIGHMEM
1872	select CPU_SUPPORTS_HUGEPAGES
1873	select ARCH_HAS_PHYS_TO_DMA
1874	select CPU_HAS_LOAD_STORE_LR
1875
1876config CPU_LOONGSON1
1877	bool
1878	select CPU_MIPS32
1879	select CPU_MIPSR2
1880	select CPU_HAS_PREFETCH
1881	select CPU_HAS_LOAD_STORE_LR
1882	select CPU_SUPPORTS_32BIT_KERNEL
1883	select CPU_SUPPORTS_HIGHMEM
1884	select CPU_SUPPORTS_CPUFREQ
1885
1886config CPU_BMIPS32_3300
1887	select SMP_UP if SMP
1888	bool
1889
1890config CPU_BMIPS4350
1891	bool
1892	select SYS_SUPPORTS_SMP
1893	select SYS_SUPPORTS_HOTPLUG_CPU
1894
1895config CPU_BMIPS4380
1896	bool
1897	select MIPS_L1_CACHE_SHIFT_6
1898	select SYS_SUPPORTS_SMP
1899	select SYS_SUPPORTS_HOTPLUG_CPU
1900	select CPU_HAS_RIXI
1901
1902config CPU_BMIPS5000
1903	bool
1904	select MIPS_CPU_SCACHE
1905	select MIPS_L1_CACHE_SHIFT_7
1906	select SYS_SUPPORTS_SMP
1907	select SYS_SUPPORTS_HOTPLUG_CPU
1908	select CPU_HAS_RIXI
1909
1910config SYS_HAS_CPU_LOONGSON3
1911	bool
1912	select CPU_SUPPORTS_CPUFREQ
1913	select CPU_HAS_RIXI
1914
1915config SYS_HAS_CPU_LOONGSON2E
1916	bool
1917
1918config SYS_HAS_CPU_LOONGSON2F
1919	bool
1920	select CPU_SUPPORTS_CPUFREQ
1921	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1922	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1923
1924config SYS_HAS_CPU_LOONGSON1B
1925	bool
1926
1927config SYS_HAS_CPU_LOONGSON1C
1928	bool
1929
1930config SYS_HAS_CPU_MIPS32_R1
1931	bool
1932
1933config SYS_HAS_CPU_MIPS32_R2
1934	bool
1935
1936config SYS_HAS_CPU_MIPS32_R3_5
1937	bool
1938
1939config SYS_HAS_CPU_MIPS32_R5
1940	bool
1941	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1942
1943config SYS_HAS_CPU_MIPS32_R6
1944	bool
1945	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1946
1947config SYS_HAS_CPU_MIPS64_R1
1948	bool
1949
1950config SYS_HAS_CPU_MIPS64_R2
1951	bool
1952
1953config SYS_HAS_CPU_MIPS64_R6
1954	bool
1955	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1956
1957config SYS_HAS_CPU_R3000
1958	bool
1959
1960config SYS_HAS_CPU_TX39XX
1961	bool
1962
1963config SYS_HAS_CPU_VR41XX
1964	bool
1965
1966config SYS_HAS_CPU_R4X00
1967	bool
1968
1969config SYS_HAS_CPU_TX49XX
1970	bool
1971
1972config SYS_HAS_CPU_R5000
1973	bool
1974
1975config SYS_HAS_CPU_R5500
1976	bool
1977
1978config SYS_HAS_CPU_NEVADA
1979	bool
1980
1981config SYS_HAS_CPU_R10000
1982	bool
1983	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1984
1985config SYS_HAS_CPU_RM7000
1986	bool
1987
1988config SYS_HAS_CPU_SB1
1989	bool
1990
1991config SYS_HAS_CPU_CAVIUM_OCTEON
1992	bool
1993
1994config SYS_HAS_CPU_BMIPS
1995	bool
1996
1997config SYS_HAS_CPU_BMIPS32_3300
1998	bool
1999	select SYS_HAS_CPU_BMIPS
2000
2001config SYS_HAS_CPU_BMIPS4350
2002	bool
2003	select SYS_HAS_CPU_BMIPS
2004
2005config SYS_HAS_CPU_BMIPS4380
2006	bool
2007	select SYS_HAS_CPU_BMIPS
2008
2009config SYS_HAS_CPU_BMIPS5000
2010	bool
2011	select SYS_HAS_CPU_BMIPS
2012	select ARCH_HAS_SYNC_DMA_FOR_CPU
2013
2014config SYS_HAS_CPU_XLR
2015	bool
2016
2017config SYS_HAS_CPU_XLP
2018	bool
2019
2020#
2021# CPU may reorder R->R, R->W, W->R, W->W
2022# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2023#
2024config WEAK_ORDERING
2025	bool
2026
2027#
2028# CPU may reorder reads and writes beyond LL/SC
2029# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2030#
2031config WEAK_REORDERING_BEYOND_LLSC
2032	bool
2033endmenu
2034
2035#
2036# These two indicate any level of the MIPS32 and MIPS64 architecture
2037#
2038config CPU_MIPS32
2039	bool
2040	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2041
2042config CPU_MIPS64
2043	bool
2044	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2045
2046#
2047# These indicate the revision of the architecture
2048#
2049config CPU_MIPSR1
2050	bool
2051	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2052
2053config CPU_MIPSR2
2054	bool
2055	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2056	select CPU_HAS_RIXI
2057	select MIPS_SPRAM
2058
2059config CPU_MIPSR6
2060	bool
2061	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2062	select CPU_HAS_RIXI
2063	select HAVE_ARCH_BITREVERSE
2064	select MIPS_ASID_BITS_VARIABLE
2065	select MIPS_CRC_SUPPORT
2066	select MIPS_SPRAM
2067
2068config TARGET_ISA_REV
2069	int
2070	default 1 if CPU_MIPSR1
2071	default 2 if CPU_MIPSR2
2072	default 6 if CPU_MIPSR6
2073	default 0
2074	help
2075	  Reflects the ISA revision being targeted by the kernel build. This
2076	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2077
2078config EVA
2079	bool
2080
2081config XPA
2082	bool
2083
2084config SYS_SUPPORTS_32BIT_KERNEL
2085	bool
2086config SYS_SUPPORTS_64BIT_KERNEL
2087	bool
2088config CPU_SUPPORTS_32BIT_KERNEL
2089	bool
2090config CPU_SUPPORTS_64BIT_KERNEL
2091	bool
2092config CPU_SUPPORTS_CPUFREQ
2093	bool
2094config CPU_SUPPORTS_ADDRWINCFG
2095	bool
2096config CPU_SUPPORTS_HUGEPAGES
2097	bool
2098	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2099config CPU_SUPPORTS_UNCACHED_ACCELERATED
2100	bool
2101config MIPS_PGD_C0_CONTEXT
2102	bool
2103	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2104
2105#
2106# Set to y for ptrace access to watch registers.
2107#
2108config HARDWARE_WATCHPOINTS
2109	bool
2110	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2111
2112menu "Kernel type"
2113
2114choice
2115	prompt "Kernel code model"
2116	help
2117	  You should only select this option if you have a workload that
2118	  actually benefits from 64-bit processing or if your machine has
2119	  large memory.  You will only be presented a single option in this
2120	  menu if your system does not support both 32-bit and 64-bit kernels.
2121
2122config 32BIT
2123	bool "32-bit kernel"
2124	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2125	select TRAD_SIGNALS
2126	help
2127	  Select this option if you want to build a 32-bit kernel.
2128
2129config 64BIT
2130	bool "64-bit kernel"
2131	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2132	help
2133	  Select this option if you want to build a 64-bit kernel.
2134
2135endchoice
2136
2137config KVM_GUEST
2138	bool "KVM Guest Kernel"
2139	depends on BROKEN_ON_SMP
2140	help
2141	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2142	  mode.
2143
2144config KVM_GUEST_TIMER_FREQ
2145	int "Count/Compare Timer Frequency (MHz)"
2146	depends on KVM_GUEST
2147	default 100
2148	help
2149	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2150	  emulation when determining guest CPU Frequency. Instead, the guest's
2151	  timer frequency is specified directly.
2152
2153config MIPS_VA_BITS_48
2154	bool "48 bits virtual memory"
2155	depends on 64BIT
2156	help
2157	  Support a maximum at least 48 bits of application virtual
2158	  memory.  Default is 40 bits or less, depending on the CPU.
2159	  For page sizes 16k and above, this option results in a small
2160	  memory overhead for page tables.  For 4k page size, a fourth
2161	  level of page tables is added which imposes both a memory
2162	  overhead as well as slower TLB fault handling.
2163
2164	  If unsure, say N.
2165
2166choice
2167	prompt "Kernel page size"
2168	default PAGE_SIZE_4KB
2169
2170config PAGE_SIZE_4KB
2171	bool "4kB"
2172	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2173	help
2174	  This option select the standard 4kB Linux page size.  On some
2175	  R3000-family processors this is the only available page size.  Using
2176	  4kB page size will minimize memory consumption and is therefore
2177	  recommended for low memory systems.
2178
2179config PAGE_SIZE_8KB
2180	bool "8kB"
2181	depends on CPU_CAVIUM_OCTEON
2182	depends on !MIPS_VA_BITS_48
2183	help
2184	  Using 8kB page size will result in higher performance kernel at
2185	  the price of higher memory consumption.  This option is available
2186	  only on cnMIPS processors.  Note that you will need a suitable Linux
2187	  distribution to support this.
2188
2189config PAGE_SIZE_16KB
2190	bool "16kB"
2191	depends on !CPU_R3000 && !CPU_TX39XX
2192	help
2193	  Using 16kB page size will result in higher performance kernel at
2194	  the price of higher memory consumption.  This option is available on
2195	  all non-R3000 family processors.  Note that you will need a suitable
2196	  Linux distribution to support this.
2197
2198config PAGE_SIZE_32KB
2199	bool "32kB"
2200	depends on CPU_CAVIUM_OCTEON
2201	depends on !MIPS_VA_BITS_48
2202	help
2203	  Using 32kB page size will result in higher performance kernel at
2204	  the price of higher memory consumption.  This option is available
2205	  only on cnMIPS cores.  Note that you will need a suitable Linux
2206	  distribution to support this.
2207
2208config PAGE_SIZE_64KB
2209	bool "64kB"
2210	depends on !CPU_R3000 && !CPU_TX39XX
2211	help
2212	  Using 64kB page size will result in higher performance kernel at
2213	  the price of higher memory consumption.  This option is available on
2214	  all non-R3000 family processor.  Not that at the time of this
2215	  writing this option is still high experimental.
2216
2217endchoice
2218
2219config FORCE_MAX_ZONEORDER
2220	int "Maximum zone order"
2221	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2222	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2223	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2224	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2225	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2226	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2227	range 11 64
2228	default "11"
2229	help
2230	  The kernel memory allocator divides physically contiguous memory
2231	  blocks into "zones", where each zone is a power of two number of
2232	  pages.  This option selects the largest power of two that the kernel
2233	  keeps in the memory allocator.  If you need to allocate very large
2234	  blocks of physically contiguous memory, then you may need to
2235	  increase this value.
2236
2237	  This config option is actually maximum order plus one. For example,
2238	  a value of 11 means that the largest free memory block is 2^10 pages.
2239
2240	  The page size is not necessarily 4KB.  Keep this in mind
2241	  when choosing a value for this option.
2242
2243config BOARD_SCACHE
2244	bool
2245
2246config IP22_CPU_SCACHE
2247	bool
2248	select BOARD_SCACHE
2249
2250#
2251# Support for a MIPS32 / MIPS64 style S-caches
2252#
2253config MIPS_CPU_SCACHE
2254	bool
2255	select BOARD_SCACHE
2256
2257config R5000_CPU_SCACHE
2258	bool
2259	select BOARD_SCACHE
2260
2261config RM7000_CPU_SCACHE
2262	bool
2263	select BOARD_SCACHE
2264
2265config SIBYTE_DMA_PAGEOPS
2266	bool "Use DMA to clear/copy pages"
2267	depends on CPU_SB1
2268	help
2269	  Instead of using the CPU to zero and copy pages, use a Data Mover
2270	  channel.  These DMA channels are otherwise unused by the standard
2271	  SiByte Linux port.  Seems to give a small performance benefit.
2272
2273config CPU_HAS_PREFETCH
2274	bool
2275
2276config CPU_GENERIC_DUMP_TLB
2277	bool
2278	default y if !(CPU_R3000 || CPU_TX39XX)
2279
2280config MIPS_FP_SUPPORT
2281	bool "Floating Point support" if EXPERT
2282	default y
2283	help
2284	  Select y to include support for floating point in the kernel
2285	  including initialization of FPU hardware, FP context save & restore
2286	  and emulation of an FPU where necessary. Without this support any
2287	  userland program attempting to use floating point instructions will
2288	  receive a SIGILL.
2289
2290	  If you know that your userland will not attempt to use floating point
2291	  instructions then you can say n here to shrink the kernel a little.
2292
2293	  If unsure, say y.
2294
2295config CPU_R2300_FPU
2296	bool
2297	depends on MIPS_FP_SUPPORT
2298	default y if CPU_R3000 || CPU_TX39XX
2299
2300config CPU_R3K_TLB
2301	bool
2302
2303config CPU_R4K_FPU
2304	bool
2305	depends on MIPS_FP_SUPPORT
2306	default y if !CPU_R2300_FPU
2307
2308config CPU_R4K_CACHE_TLB
2309	bool
2310	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2311
2312config MIPS_MT_SMP
2313	bool "MIPS MT SMP support (1 TC on each available VPE)"
2314	default y
2315	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2316	select CPU_MIPSR2_IRQ_VI
2317	select CPU_MIPSR2_IRQ_EI
2318	select SYNC_R4K
2319	select MIPS_MT
2320	select SMP
2321	select SMP_UP
2322	select SYS_SUPPORTS_SMP
2323	select SYS_SUPPORTS_SCHED_SMT
2324	select MIPS_PERF_SHARED_TC_COUNTERS
2325	help
2326	  This is a kernel model which is known as SMVP. This is supported
2327	  on cores with the MT ASE and uses the available VPEs to implement
2328	  virtual processors which supports SMP. This is equivalent to the
2329	  Intel Hyperthreading feature. For further information go to
2330	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2331
2332config MIPS_MT
2333	bool
2334
2335config SCHED_SMT
2336	bool "SMT (multithreading) scheduler support"
2337	depends on SYS_SUPPORTS_SCHED_SMT
2338	default n
2339	help
2340	  SMT scheduler support improves the CPU scheduler's decision making
2341	  when dealing with MIPS MT enabled cores at a cost of slightly
2342	  increased overhead in some places. If unsure say N here.
2343
2344config SYS_SUPPORTS_SCHED_SMT
2345	bool
2346
2347config SYS_SUPPORTS_MULTITHREADING
2348	bool
2349
2350config MIPS_MT_FPAFF
2351	bool "Dynamic FPU affinity for FP-intensive threads"
2352	default y
2353	depends on MIPS_MT_SMP
2354
2355config MIPSR2_TO_R6_EMULATOR
2356	bool "MIPS R2-to-R6 emulator"
2357	depends on CPU_MIPSR6
2358	depends on MIPS_FP_SUPPORT
2359	default y
2360	help
2361	  Choose this option if you want to run non-R6 MIPS userland code.
2362	  Even if you say 'Y' here, the emulator will still be disabled by
2363	  default. You can enable it using the 'mipsr2emu' kernel option.
2364	  The only reason this is a build-time option is to save ~14K from the
2365	  final kernel image.
2366
2367config SYS_SUPPORTS_VPE_LOADER
2368	bool
2369	depends on SYS_SUPPORTS_MULTITHREADING
2370	help
2371	  Indicates that the platform supports the VPE loader, and provides
2372	  physical_memsize.
2373
2374config MIPS_VPE_LOADER
2375	bool "VPE loader support."
2376	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2377	select CPU_MIPSR2_IRQ_VI
2378	select CPU_MIPSR2_IRQ_EI
2379	select MIPS_MT
2380	help
2381	  Includes a loader for loading an elf relocatable object
2382	  onto another VPE and running it.
2383
2384config MIPS_VPE_LOADER_CMP
2385	bool
2386	default "y"
2387	depends on MIPS_VPE_LOADER && MIPS_CMP
2388
2389config MIPS_VPE_LOADER_MT
2390	bool
2391	default "y"
2392	depends on MIPS_VPE_LOADER && !MIPS_CMP
2393
2394config MIPS_VPE_LOADER_TOM
2395	bool "Load VPE program into memory hidden from linux"
2396	depends on MIPS_VPE_LOADER
2397	default y
2398	help
2399	  The loader can use memory that is present but has been hidden from
2400	  Linux using the kernel command line option "mem=xxMB". It's up to
2401	  you to ensure the amount you put in the option and the space your
2402	  program requires is less or equal to the amount physically present.
2403
2404config MIPS_VPE_APSP_API
2405	bool "Enable support for AP/SP API (RTLX)"
2406	depends on MIPS_VPE_LOADER
2407
2408config MIPS_VPE_APSP_API_CMP
2409	bool
2410	default "y"
2411	depends on MIPS_VPE_APSP_API && MIPS_CMP
2412
2413config MIPS_VPE_APSP_API_MT
2414	bool
2415	default "y"
2416	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2417
2418config MIPS_CMP
2419	bool "MIPS CMP framework support (DEPRECATED)"
2420	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2421	select SMP
2422	select SYNC_R4K
2423	select SYS_SUPPORTS_SMP
2424	select WEAK_ORDERING
2425	default n
2426	help
2427	  Select this if you are using a bootloader which implements the "CMP
2428	  framework" protocol (ie. YAMON) and want your kernel to make use of
2429	  its ability to start secondary CPUs.
2430
2431	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2432	  instead of this.
2433
2434config MIPS_CPS
2435	bool "MIPS Coherent Processing System support"
2436	depends on SYS_SUPPORTS_MIPS_CPS
2437	select MIPS_CM
2438	select MIPS_CPS_PM if HOTPLUG_CPU
2439	select SMP
2440	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2441	select SYS_SUPPORTS_HOTPLUG_CPU
2442	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2443	select SYS_SUPPORTS_SMP
2444	select WEAK_ORDERING
2445	help
2446	  Select this if you wish to run an SMP kernel across multiple cores
2447	  within a MIPS Coherent Processing System. When this option is
2448	  enabled the kernel will probe for other cores and boot them with
2449	  no external assistance. It is safe to enable this when hardware
2450	  support is unavailable.
2451
2452config MIPS_CPS_PM
2453	depends on MIPS_CPS
2454	bool
2455
2456config MIPS_CM
2457	bool
2458	select MIPS_CPC
2459
2460config MIPS_CPC
2461	bool
2462
2463config SB1_PASS_2_WORKAROUNDS
2464	bool
2465	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2466	default y
2467
2468config SB1_PASS_2_1_WORKAROUNDS
2469	bool
2470	depends on CPU_SB1 && CPU_SB1_PASS_2
2471	default y
2472
2473choice
2474	prompt "SmartMIPS or microMIPS ASE support"
2475
2476config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2477	bool "None"
2478	help
2479	  Select this if you want neither microMIPS nor SmartMIPS support
2480
2481config CPU_HAS_SMARTMIPS
2482	depends on SYS_SUPPORTS_SMARTMIPS
2483	bool "SmartMIPS"
2484	help
2485	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2486	  increased security at both hardware and software level for
2487	  smartcards.  Enabling this option will allow proper use of the
2488	  SmartMIPS instructions by Linux applications.  However a kernel with
2489	  this option will not work on a MIPS core without SmartMIPS core.  If
2490	  you don't know you probably don't have SmartMIPS and should say N
2491	  here.
2492
2493config CPU_MICROMIPS
2494	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2495	bool "microMIPS"
2496	help
2497	  When this option is enabled the kernel will be built using the
2498	  microMIPS ISA
2499
2500endchoice
2501
2502config CPU_HAS_MSA
2503	bool "Support for the MIPS SIMD Architecture"
2504	depends on CPU_SUPPORTS_MSA
2505	depends on MIPS_FP_SUPPORT
2506	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2507	help
2508	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2509	  and a set of SIMD instructions to operate on them. When this option
2510	  is enabled the kernel will support allocating & switching MSA
2511	  vector register contexts. If you know that your kernel will only be
2512	  running on CPUs which do not support MSA or that your userland will
2513	  not be making use of it then you may wish to say N here to reduce
2514	  the size & complexity of your kernel.
2515
2516	  If unsure, say Y.
2517
2518config CPU_HAS_WB
2519	bool
2520
2521config XKS01
2522	bool
2523
2524config CPU_HAS_RIXI
2525	bool
2526
2527config CPU_HAS_LOAD_STORE_LR
2528	bool
2529	help
2530	  CPU has support for unaligned load and store instructions:
2531	  LWL, LWR, SWL, SWR (Load/store word left/right).
2532	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2533
2534#
2535# Vectored interrupt mode is an R2 feature
2536#
2537config CPU_MIPSR2_IRQ_VI
2538	bool
2539
2540#
2541# Extended interrupt mode is an R2 feature
2542#
2543config CPU_MIPSR2_IRQ_EI
2544	bool
2545
2546config CPU_HAS_SYNC
2547	bool
2548	depends on !CPU_R3000
2549	default y
2550
2551#
2552# CPU non-features
2553#
2554config CPU_DADDI_WORKAROUNDS
2555	bool
2556
2557config CPU_R4000_WORKAROUNDS
2558	bool
2559	select CPU_R4400_WORKAROUNDS
2560
2561config CPU_R4400_WORKAROUNDS
2562	bool
2563
2564config MIPS_ASID_SHIFT
2565	int
2566	default 6 if CPU_R3000 || CPU_TX39XX
2567	default 0
2568
2569config MIPS_ASID_BITS
2570	int
2571	default 0 if MIPS_ASID_BITS_VARIABLE
2572	default 6 if CPU_R3000 || CPU_TX39XX
2573	default 8
2574
2575config MIPS_ASID_BITS_VARIABLE
2576	bool
2577
2578config MIPS_CRC_SUPPORT
2579	bool
2580
2581#
2582# - Highmem only makes sense for the 32-bit kernel.
2583# - The current highmem code will only work properly on physically indexed
2584#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2585#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2586#   moment we protect the user and offer the highmem option only on machines
2587#   where it's known to be safe.  This will not offer highmem on a few systems
2588#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2589#   indexed CPUs but we're playing safe.
2590# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2591#   know they might have memory configurations that could make use of highmem
2592#   support.
2593#
2594config HIGHMEM
2595	bool "High Memory Support"
2596	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2597
2598config CPU_SUPPORTS_HIGHMEM
2599	bool
2600
2601config SYS_SUPPORTS_HIGHMEM
2602	bool
2603
2604config SYS_SUPPORTS_SMARTMIPS
2605	bool
2606
2607config SYS_SUPPORTS_MICROMIPS
2608	bool
2609
2610config SYS_SUPPORTS_MIPS16
2611	bool
2612	help
2613	  This option must be set if a kernel might be executed on a MIPS16-
2614	  enabled CPU even if MIPS16 is not actually being used.  In other
2615	  words, it makes the kernel MIPS16-tolerant.
2616
2617config CPU_SUPPORTS_MSA
2618	bool
2619
2620config ARCH_FLATMEM_ENABLE
2621	def_bool y
2622	depends on !NUMA && !CPU_LOONGSON2
2623
2624config ARCH_DISCONTIGMEM_ENABLE
2625	bool
2626	default y if SGI_IP27
2627	help
2628	  Say Y to support efficient handling of discontiguous physical memory,
2629	  for architectures which are either NUMA (Non-Uniform Memory Access)
2630	  or have huge holes in the physical address space for other reasons.
2631	  See <file:Documentation/vm/numa.rst> for more.
2632
2633config ARCH_SPARSEMEM_ENABLE
2634	bool
2635	select SPARSEMEM_STATIC
2636
2637config NUMA
2638	bool "NUMA Support"
2639	depends on SYS_SUPPORTS_NUMA
2640	help
2641	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2642	  Access).  This option improves performance on systems with more
2643	  than two nodes; on two node systems it is generally better to
2644	  leave it disabled; on single node systems disable this option
2645	  disabled.
2646
2647config SYS_SUPPORTS_NUMA
2648	bool
2649
2650config RELOCATABLE
2651	bool "Relocatable kernel"
2652	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2653	help
2654	  This builds a kernel image that retains relocation information
2655	  so it can be loaded someplace besides the default 1MB.
2656	  The relocations make the kernel binary about 15% larger,
2657	  but are discarded at runtime
2658
2659config RELOCATION_TABLE_SIZE
2660	hex "Relocation table size"
2661	depends on RELOCATABLE
2662	range 0x0 0x01000000
2663	default "0x00100000"
2664	---help---
2665	  A table of relocation data will be appended to the kernel binary
2666	  and parsed at boot to fix up the relocated kernel.
2667
2668	  This option allows the amount of space reserved for the table to be
2669	  adjusted, although the default of 1Mb should be ok in most cases.
2670
2671	  The build will fail and a valid size suggested if this is too small.
2672
2673	  If unsure, leave at the default value.
2674
2675config RANDOMIZE_BASE
2676	bool "Randomize the address of the kernel image"
2677	depends on RELOCATABLE
2678	---help---
2679	  Randomizes the physical and virtual address at which the
2680	  kernel image is loaded, as a security feature that
2681	  deters exploit attempts relying on knowledge of the location
2682	  of kernel internals.
2683
2684	  Entropy is generated using any coprocessor 0 registers available.
2685
2686	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2687
2688	  If unsure, say N.
2689
2690config RANDOMIZE_BASE_MAX_OFFSET
2691	hex "Maximum kASLR offset" if EXPERT
2692	depends on RANDOMIZE_BASE
2693	range 0x0 0x40000000 if EVA || 64BIT
2694	range 0x0 0x08000000
2695	default "0x01000000"
2696	---help---
2697	  When kASLR is active, this provides the maximum offset that will
2698	  be applied to the kernel image. It should be set according to the
2699	  amount of physical RAM available in the target system minus
2700	  PHYSICAL_START and must be a power of 2.
2701
2702	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2703	  EVA or 64-bit. The default is 16Mb.
2704
2705config NODES_SHIFT
2706	int
2707	default "6"
2708	depends on NEED_MULTIPLE_NODES
2709
2710config HW_PERF_EVENTS
2711	bool "Enable hardware performance counter support for perf events"
2712	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2713	default y
2714	help
2715	  Enable hardware performance counter support for perf events. If
2716	  disabled, perf events will use software events only.
2717
2718config SMP
2719	bool "Multi-Processing support"
2720	depends on SYS_SUPPORTS_SMP
2721	help
2722	  This enables support for systems with more than one CPU. If you have
2723	  a system with only one CPU, say N. If you have a system with more
2724	  than one CPU, say Y.
2725
2726	  If you say N here, the kernel will run on uni- and multiprocessor
2727	  machines, but will use only one CPU of a multiprocessor machine. If
2728	  you say Y here, the kernel will run on many, but not all,
2729	  uniprocessor machines. On a uniprocessor machine, the kernel
2730	  will run faster if you say N here.
2731
2732	  People using multiprocessor machines who say Y here should also say
2733	  Y to "Enhanced Real Time Clock Support", below.
2734
2735	  See also the SMP-HOWTO available at
2736	  <http://www.tldp.org/docs.html#howto>.
2737
2738	  If you don't know what to do here, say N.
2739
2740config HOTPLUG_CPU
2741	bool "Support for hot-pluggable CPUs"
2742	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2743	help
2744	  Say Y here to allow turning CPUs off and on. CPUs can be
2745	  controlled through /sys/devices/system/cpu.
2746	  (Note: power management support will enable this option
2747	    automatically on SMP systems. )
2748	  Say N if you want to disable CPU hotplug.
2749
2750config SMP_UP
2751	bool
2752
2753config SYS_SUPPORTS_MIPS_CMP
2754	bool
2755
2756config SYS_SUPPORTS_MIPS_CPS
2757	bool
2758
2759config SYS_SUPPORTS_SMP
2760	bool
2761
2762config NR_CPUS_DEFAULT_4
2763	bool
2764
2765config NR_CPUS_DEFAULT_8
2766	bool
2767
2768config NR_CPUS_DEFAULT_16
2769	bool
2770
2771config NR_CPUS_DEFAULT_32
2772	bool
2773
2774config NR_CPUS_DEFAULT_64
2775	bool
2776
2777config NR_CPUS
2778	int "Maximum number of CPUs (2-256)"
2779	range 2 256
2780	depends on SMP
2781	default "4" if NR_CPUS_DEFAULT_4
2782	default "8" if NR_CPUS_DEFAULT_8
2783	default "16" if NR_CPUS_DEFAULT_16
2784	default "32" if NR_CPUS_DEFAULT_32
2785	default "64" if NR_CPUS_DEFAULT_64
2786	help
2787	  This allows you to specify the maximum number of CPUs which this
2788	  kernel will support.  The maximum supported value is 32 for 32-bit
2789	  kernel and 64 for 64-bit kernels; the minimum value which makes
2790	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2791	  and 2 for all others.
2792
2793	  This is purely to save memory - each supported CPU adds
2794	  approximately eight kilobytes to the kernel image.  For best
2795	  performance should round up your number of processors to the next
2796	  power of two.
2797
2798config MIPS_PERF_SHARED_TC_COUNTERS
2799	bool
2800
2801config MIPS_NR_CPU_NR_MAP_1024
2802	bool
2803
2804config MIPS_NR_CPU_NR_MAP
2805	int
2806	depends on SMP
2807	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2808	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2809
2810#
2811# Timer Interrupt Frequency Configuration
2812#
2813
2814choice
2815	prompt "Timer frequency"
2816	default HZ_250
2817	help
2818	  Allows the configuration of the timer frequency.
2819
2820	config HZ_24
2821		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2822
2823	config HZ_48
2824		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2825
2826	config HZ_100
2827		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2828
2829	config HZ_128
2830		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2831
2832	config HZ_250
2833		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2834
2835	config HZ_256
2836		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2837
2838	config HZ_1000
2839		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2840
2841	config HZ_1024
2842		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2843
2844endchoice
2845
2846config SYS_SUPPORTS_24HZ
2847	bool
2848
2849config SYS_SUPPORTS_48HZ
2850	bool
2851
2852config SYS_SUPPORTS_100HZ
2853	bool
2854
2855config SYS_SUPPORTS_128HZ
2856	bool
2857
2858config SYS_SUPPORTS_250HZ
2859	bool
2860
2861config SYS_SUPPORTS_256HZ
2862	bool
2863
2864config SYS_SUPPORTS_1000HZ
2865	bool
2866
2867config SYS_SUPPORTS_1024HZ
2868	bool
2869
2870config SYS_SUPPORTS_ARBIT_HZ
2871	bool
2872	default y if !SYS_SUPPORTS_24HZ && \
2873		     !SYS_SUPPORTS_48HZ && \
2874		     !SYS_SUPPORTS_100HZ && \
2875		     !SYS_SUPPORTS_128HZ && \
2876		     !SYS_SUPPORTS_250HZ && \
2877		     !SYS_SUPPORTS_256HZ && \
2878		     !SYS_SUPPORTS_1000HZ && \
2879		     !SYS_SUPPORTS_1024HZ
2880
2881config HZ
2882	int
2883	default 24 if HZ_24
2884	default 48 if HZ_48
2885	default 100 if HZ_100
2886	default 128 if HZ_128
2887	default 250 if HZ_250
2888	default 256 if HZ_256
2889	default 1000 if HZ_1000
2890	default 1024 if HZ_1024
2891
2892config SCHED_HRTICK
2893	def_bool HIGH_RES_TIMERS
2894
2895config KEXEC
2896	bool "Kexec system call"
2897	select KEXEC_CORE
2898	help
2899	  kexec is a system call that implements the ability to shutdown your
2900	  current kernel, and to start another kernel.  It is like a reboot
2901	  but it is independent of the system firmware.   And like a reboot
2902	  you can start any kernel with it, not just Linux.
2903
2904	  The name comes from the similarity to the exec system call.
2905
2906	  It is an ongoing process to be certain the hardware in a machine
2907	  is properly shutdown, so do not be surprised if this code does not
2908	  initially work for you.  As of this writing the exact hardware
2909	  interface is strongly in flux, so no good recommendation can be
2910	  made.
2911
2912config CRASH_DUMP
2913	bool "Kernel crash dumps"
2914	help
2915	  Generate crash dump after being started by kexec.
2916	  This should be normally only set in special crash dump kernels
2917	  which are loaded in the main kernel with kexec-tools into
2918	  a specially reserved region and then later executed after
2919	  a crash by kdump/kexec. The crash dump kernel must be compiled
2920	  to a memory address not used by the main kernel or firmware using
2921	  PHYSICAL_START.
2922
2923config PHYSICAL_START
2924	hex "Physical address where the kernel is loaded"
2925	default "0xffffffff84000000"
2926	depends on CRASH_DUMP
2927	help
2928	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2929	  If you plan to use kernel for capturing the crash dump change
2930	  this value to start of the reserved region (the "X" value as
2931	  specified in the "crashkernel=YM@XM" command line boot parameter
2932	  passed to the panic-ed kernel).
2933
2934config SECCOMP
2935	bool "Enable seccomp to safely compute untrusted bytecode"
2936	depends on PROC_FS
2937	default y
2938	help
2939	  This kernel feature is useful for number crunching applications
2940	  that may need to compute untrusted bytecode during their
2941	  execution. By using pipes or other transports made available to
2942	  the process as file descriptors supporting the read/write
2943	  syscalls, it's possible to isolate those applications in
2944	  their own address space using seccomp. Once seccomp is
2945	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2946	  and the task is only allowed to execute a few safe syscalls
2947	  defined by each seccomp mode.
2948
2949	  If unsure, say Y. Only embedded should say N here.
2950
2951config MIPS_O32_FP64_SUPPORT
2952	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2953	depends on 32BIT || MIPS32_O32
2954	help
2955	  When this is enabled, the kernel will support use of 64-bit floating
2956	  point registers with binaries using the O32 ABI along with the
2957	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2958	  32-bit MIPS systems this support is at the cost of increasing the
2959	  size and complexity of the compiled FPU emulator. Thus if you are
2960	  running a MIPS32 system and know that none of your userland binaries
2961	  will require 64-bit floating point, you may wish to reduce the size
2962	  of your kernel & potentially improve FP emulation performance by
2963	  saying N here.
2964
2965	  Although binutils currently supports use of this flag the details
2966	  concerning its effect upon the O32 ABI in userland are still being
2967	  worked on. In order to avoid userland becoming dependant upon current
2968	  behaviour before the details have been finalised, this option should
2969	  be considered experimental and only enabled by those working upon
2970	  said details.
2971
2972	  If unsure, say N.
2973
2974config USE_OF
2975	bool
2976	select OF
2977	select OF_EARLY_FLATTREE
2978	select IRQ_DOMAIN
2979
2980config UHI_BOOT
2981	bool
2982
2983config BUILTIN_DTB
2984	bool
2985
2986choice
2987	prompt "Kernel appended dtb support" if USE_OF
2988	default MIPS_NO_APPENDED_DTB
2989
2990	config MIPS_NO_APPENDED_DTB
2991		bool "None"
2992		help
2993		  Do not enable appended dtb support.
2994
2995	config MIPS_ELF_APPENDED_DTB
2996		bool "vmlinux"
2997		help
2998		  With this option, the boot code will look for a device tree binary
2999		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3000		  it is empty and the DTB can be appended using binutils command
3001		  objcopy:
3002
3003		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3004
3005		  This is meant as a backward compatiblity convenience for those
3006		  systems with a bootloader that can't be upgraded to accommodate
3007		  the documented boot protocol using a device tree.
3008
3009	config MIPS_RAW_APPENDED_DTB
3010		bool "vmlinux.bin or vmlinuz.bin"
3011		help
3012		  With this option, the boot code will look for a device tree binary
3013		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3014		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3015
3016		  This is meant as a backward compatibility convenience for those
3017		  systems with a bootloader that can't be upgraded to accommodate
3018		  the documented boot protocol using a device tree.
3019
3020		  Beware that there is very little in terms of protection against
3021		  this option being confused by leftover garbage in memory that might
3022		  look like a DTB header after a reboot if no actual DTB is appended
3023		  to vmlinux.bin.  Do not leave this option active in a production kernel
3024		  if you don't intend to always append a DTB.
3025endchoice
3026
3027choice
3028	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3029	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3030					 !MIPS_MALTA && \
3031					 !CAVIUM_OCTEON_SOC
3032	default MIPS_CMDLINE_FROM_BOOTLOADER
3033
3034	config MIPS_CMDLINE_FROM_DTB
3035		depends on USE_OF
3036		bool "Dtb kernel arguments if available"
3037
3038	config MIPS_CMDLINE_DTB_EXTEND
3039		depends on USE_OF
3040		bool "Extend dtb kernel arguments with bootloader arguments"
3041
3042	config MIPS_CMDLINE_FROM_BOOTLOADER
3043		bool "Bootloader kernel arguments if available"
3044
3045	config MIPS_CMDLINE_BUILTIN_EXTEND
3046		depends on CMDLINE_BOOL
3047		bool "Extend builtin kernel arguments with bootloader arguments"
3048endchoice
3049
3050endmenu
3051
3052config LOCKDEP_SUPPORT
3053	bool
3054	default y
3055
3056config STACKTRACE_SUPPORT
3057	bool
3058	default y
3059
3060config PGTABLE_LEVELS
3061	int
3062	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3063	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3064	default 2
3065
3066config MIPS_AUTO_PFN_OFFSET
3067	bool
3068
3069menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3070
3071config PCI_DRIVERS_GENERIC
3072	select PCI_DOMAINS_GENERIC if PCI
3073	bool
3074
3075config PCI_DRIVERS_LEGACY
3076	def_bool !PCI_DRIVERS_GENERIC
3077	select NO_GENERIC_PCI_IOPORT_MAP
3078	select PCI_DOMAINS if PCI
3079
3080#
3081# ISA support is now enabled via select.  Too many systems still have the one
3082# or other ISA chip on the board that users don't know about so don't expect
3083# users to choose the right thing ...
3084#
3085config ISA
3086	bool
3087
3088config TC
3089	bool "TURBOchannel support"
3090	depends on MACH_DECSTATION
3091	help
3092	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3093	  processors.  TURBOchannel programming specifications are available
3094	  at:
3095	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3096	  and:
3097	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3098	  Linux driver support status is documented at:
3099	  <http://www.linux-mips.org/wiki/DECstation>
3100
3101config MMU
3102	bool
3103	default y
3104
3105config ARCH_MMAP_RND_BITS_MIN
3106	default 12 if 64BIT
3107	default 8
3108
3109config ARCH_MMAP_RND_BITS_MAX
3110	default 18 if 64BIT
3111	default 15
3112
3113config ARCH_MMAP_RND_COMPAT_BITS_MIN
3114	default 8
3115
3116config ARCH_MMAP_RND_COMPAT_BITS_MAX
3117	default 15
3118
3119config I8253
3120	bool
3121	select CLKSRC_I8253
3122	select CLKEVT_I8253
3123	select MIPS_EXTERNAL_TIMER
3124
3125config ZONE_DMA
3126	bool
3127
3128config ZONE_DMA32
3129	bool
3130
3131endmenu
3132
3133config TRAD_SIGNALS
3134	bool
3135
3136config MIPS32_COMPAT
3137	bool
3138
3139config COMPAT
3140	bool
3141
3142config SYSVIPC_COMPAT
3143	bool
3144
3145config MIPS32_O32
3146	bool "Kernel support for o32 binaries"
3147	depends on 64BIT
3148	select ARCH_WANT_OLD_COMPAT_IPC
3149	select COMPAT
3150	select MIPS32_COMPAT
3151	select SYSVIPC_COMPAT if SYSVIPC
3152	help
3153	  Select this option if you want to run o32 binaries.  These are pure
3154	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3155	  existing binaries are in this format.
3156
3157	  If unsure, say Y.
3158
3159config MIPS32_N32
3160	bool "Kernel support for n32 binaries"
3161	depends on 64BIT
3162	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3163	select COMPAT
3164	select MIPS32_COMPAT
3165	select SYSVIPC_COMPAT if SYSVIPC
3166	help
3167	  Select this option if you want to run n32 binaries.  These are
3168	  64-bit binaries using 32-bit quantities for addressing and certain
3169	  data that would normally be 64-bit.  They are used in special
3170	  cases.
3171
3172	  If unsure, say N.
3173
3174config BINFMT_ELF32
3175	bool
3176	default y if MIPS32_O32 || MIPS32_N32
3177	select ELFCORE
3178
3179menu "Power management options"
3180
3181config ARCH_HIBERNATION_POSSIBLE
3182	def_bool y
3183	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3184
3185config ARCH_SUSPEND_POSSIBLE
3186	def_bool y
3187	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3188
3189source "kernel/power/Kconfig"
3190
3191endmenu
3192
3193config MIPS_EXTERNAL_TIMER
3194	bool
3195
3196menu "CPU Power Management"
3197
3198if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3199source "drivers/cpufreq/Kconfig"
3200endif
3201
3202source "drivers/cpuidle/Kconfig"
3203
3204endmenu
3205
3206source "drivers/firmware/Kconfig"
3207
3208source "arch/mips/kvm/Kconfig"
3209