xref: /openbmc/linux/arch/mips/Kconfig (revision 612a462a)
1config MIPS
2	bool
3	default y
4	select ARCH_BINFMT_ELF_STATE
5	select ARCH_CLOCKSOURCE_DATA
6	select ARCH_DISCARD_MEMBLOCK
7	select ARCH_HAS_ELF_RANDOMIZE
8	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
9	select ARCH_MIGHT_HAVE_PC_PARPORT
10	select ARCH_MIGHT_HAVE_PC_SERIO
11	select ARCH_SUPPORTS_UPROBES
12	select ARCH_USE_BUILTIN_BSWAP
13	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
14	select ARCH_USE_QUEUED_RWLOCKS
15	select ARCH_USE_QUEUED_SPINLOCKS
16	select ARCH_WANT_IPC_PARSE_VERSION
17	select BUILDTIME_EXTABLE_SORT
18	select CLONE_BACKWARDS
19	select CPU_PM if CPU_IDLE
20	select GENERIC_ATOMIC64 if !64BIT
21	select GENERIC_CLOCKEVENTS
22	select GENERIC_CMOS_UPDATE
23	select GENERIC_CPU_AUTOPROBE
24	select GENERIC_IRQ_PROBE
25	select GENERIC_IRQ_SHOW
26	select GENERIC_PCI_IOMAP
27	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
28	select GENERIC_SMP_IDLE_THREAD
29	select GENERIC_TIME_VSYSCALL
30	select HANDLE_DOMAIN_IRQ
31	select HAVE_ARCH_JUMP_LABEL
32	select HAVE_ARCH_KGDB
33	select HAVE_ARCH_MMAP_RND_BITS if MMU
34	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
35	select HAVE_ARCH_SECCOMP_FILTER
36	select HAVE_ARCH_TRACEHOOK
37	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
38	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
39	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
40	select HAVE_CC_STACKPROTECTOR
41	select HAVE_CONTEXT_TRACKING
42	select HAVE_COPY_THREAD_TLS
43	select HAVE_C_RECORDMCOUNT
44	select HAVE_DEBUG_KMEMLEAK
45	select HAVE_DEBUG_STACKOVERFLOW
46	select HAVE_DMA_API_DEBUG
47	select HAVE_DMA_CONTIGUOUS
48	select HAVE_DYNAMIC_FTRACE
49	select HAVE_EXIT_THREAD
50	select HAVE_FTRACE_MCOUNT_RECORD
51	select HAVE_FUNCTION_GRAPH_TRACER
52	select HAVE_FUNCTION_TRACER
53	select HAVE_GENERIC_DMA_COHERENT
54	select HAVE_IDE
55	select HAVE_IRQ_EXIT_ON_IRQ_STACK
56	select HAVE_IRQ_TIME_ACCOUNTING
57	select HAVE_KPROBES
58	select HAVE_KRETPROBES
59	select HAVE_MEMBLOCK
60	select HAVE_MEMBLOCK_NODE_MAP
61	select HAVE_MOD_ARCH_SPECIFIC
62	select HAVE_NMI
63	select HAVE_OPROFILE
64	select HAVE_PERF_EVENTS
65	select HAVE_REGS_AND_STACK_ACCESS_API
66	select HAVE_SYSCALL_TRACEPOINTS
67	select HAVE_VIRT_CPU_ACCOUNTING_GEN
68	select IRQ_FORCED_THREADING
69	select MODULES_USE_ELF_RELA if MODULES && 64BIT
70	select MODULES_USE_ELF_REL if MODULES
71	select PERF_USE_VMALLOC
72	select RTC_LIB if !MACH_LOONGSON64
73	select SYSCTL_EXCEPTION_TRACE
74	select VIRT_TO_BUS
75
76menu "Machine selection"
77
78choice
79	prompt "System type"
80	default SGI_IP22
81
82config MIPS_GENERIC
83	bool "Generic board-agnostic MIPS kernel"
84	select BOOT_RAW
85	select BUILTIN_DTB
86	select CEVT_R4K
87	select CLKSRC_MIPS_GIC
88	select COMMON_CLK
89	select CPU_MIPSR2_IRQ_VI
90	select CPU_MIPSR2_IRQ_EI
91	select CSRC_R4K
92	select DMA_PERDEV_COHERENT
93	select HW_HAS_PCI
94	select IRQ_MIPS_CPU
95	select LIBFDT
96	select MIPS_CPU_SCACHE
97	select MIPS_GIC
98	select MIPS_L1_CACHE_SHIFT_7
99	select NO_EXCEPT_FILL
100	select PCI_DRIVERS_GENERIC
101	select PINCTRL
102	select SMP_UP if SMP
103	select SWAP_IO_SPACE
104	select SYS_HAS_CPU_MIPS32_R1
105	select SYS_HAS_CPU_MIPS32_R2
106	select SYS_HAS_CPU_MIPS32_R6
107	select SYS_HAS_CPU_MIPS64_R1
108	select SYS_HAS_CPU_MIPS64_R2
109	select SYS_HAS_CPU_MIPS64_R6
110	select SYS_SUPPORTS_32BIT_KERNEL
111	select SYS_SUPPORTS_64BIT_KERNEL
112	select SYS_SUPPORTS_BIG_ENDIAN
113	select SYS_SUPPORTS_HIGHMEM
114	select SYS_SUPPORTS_LITTLE_ENDIAN
115	select SYS_SUPPORTS_MICROMIPS
116	select SYS_SUPPORTS_MIPS_CPS
117	select SYS_SUPPORTS_MIPS16
118	select SYS_SUPPORTS_MULTITHREADING
119	select SYS_SUPPORTS_RELOCATABLE
120	select SYS_SUPPORTS_SMARTMIPS
121	select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
122	select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
123	select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
124	select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
125	select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
126	select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
127	select USE_OF
128	help
129	  Select this to build a kernel which aims to support multiple boards,
130	  generally using a flattened device tree passed from the bootloader
131	  using the boot protocol defined in the UHI (Unified Hosting
132	  Interface) specification.
133
134config MIPS_ALCHEMY
135	bool "Alchemy processor based machines"
136	select ARCH_PHYS_ADDR_T_64BIT
137	select CEVT_R4K
138	select CSRC_R4K
139	select IRQ_MIPS_CPU
140	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
141	select SYS_HAS_CPU_MIPS32_R1
142	select SYS_SUPPORTS_32BIT_KERNEL
143	select SYS_SUPPORTS_APM_EMULATION
144	select GPIOLIB
145	select SYS_SUPPORTS_ZBOOT
146	select COMMON_CLK
147
148config AR7
149	bool "Texas Instruments AR7"
150	select BOOT_ELF32
151	select DMA_NONCOHERENT
152	select CEVT_R4K
153	select CSRC_R4K
154	select IRQ_MIPS_CPU
155	select NO_EXCEPT_FILL
156	select SWAP_IO_SPACE
157	select SYS_HAS_CPU_MIPS32_R1
158	select SYS_HAS_EARLY_PRINTK
159	select SYS_SUPPORTS_32BIT_KERNEL
160	select SYS_SUPPORTS_LITTLE_ENDIAN
161	select SYS_SUPPORTS_MIPS16
162	select SYS_SUPPORTS_ZBOOT_UART16550
163	select GPIOLIB
164	select VLYNQ
165	select HAVE_CLK
166	help
167	  Support for the Texas Instruments AR7 System-on-a-Chip
168	  family: TNETD7100, 7200 and 7300.
169
170config ATH25
171	bool "Atheros AR231x/AR531x SoC support"
172	select CEVT_R4K
173	select CSRC_R4K
174	select DMA_NONCOHERENT
175	select IRQ_MIPS_CPU
176	select IRQ_DOMAIN
177	select SYS_HAS_CPU_MIPS32_R1
178	select SYS_SUPPORTS_BIG_ENDIAN
179	select SYS_SUPPORTS_32BIT_KERNEL
180	select SYS_HAS_EARLY_PRINTK
181	help
182	  Support for Atheros AR231x and Atheros AR531x based boards
183
184config ATH79
185	bool "Atheros AR71XX/AR724X/AR913X based boards"
186	select ARCH_HAS_RESET_CONTROLLER
187	select BOOT_RAW
188	select CEVT_R4K
189	select CSRC_R4K
190	select DMA_NONCOHERENT
191	select GPIOLIB
192	select HAVE_CLK
193	select COMMON_CLK
194	select CLKDEV_LOOKUP
195	select IRQ_MIPS_CPU
196	select MIPS_MACHINE
197	select SYS_HAS_CPU_MIPS32_R2
198	select SYS_HAS_EARLY_PRINTK
199	select SYS_SUPPORTS_32BIT_KERNEL
200	select SYS_SUPPORTS_BIG_ENDIAN
201	select SYS_SUPPORTS_MIPS16
202	select SYS_SUPPORTS_ZBOOT_UART_PROM
203	select USE_OF
204	help
205	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
206
207config BMIPS_GENERIC
208	bool "Broadcom Generic BMIPS kernel"
209	select BOOT_RAW
210	select NO_EXCEPT_FILL
211	select USE_OF
212	select CEVT_R4K
213	select CSRC_R4K
214	select SYNC_R4K
215	select COMMON_CLK
216	select BCM6345_L1_IRQ
217	select BCM7038_L1_IRQ
218	select BCM7120_L2_IRQ
219	select BRCMSTB_L2_IRQ
220	select IRQ_MIPS_CPU
221	select DMA_NONCOHERENT
222	select SYS_SUPPORTS_32BIT_KERNEL
223	select SYS_SUPPORTS_LITTLE_ENDIAN
224	select SYS_SUPPORTS_BIG_ENDIAN
225	select SYS_SUPPORTS_HIGHMEM
226	select SYS_HAS_CPU_BMIPS32_3300
227	select SYS_HAS_CPU_BMIPS4350
228	select SYS_HAS_CPU_BMIPS4380
229	select SYS_HAS_CPU_BMIPS5000
230	select SWAP_IO_SPACE
231	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
232	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
233	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
234	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
235	help
236	  Build a generic DT-based kernel image that boots on select
237	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
238	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
239	  must be set appropriately for your board.
240
241config BCM47XX
242	bool "Broadcom BCM47XX based boards"
243	select BOOT_RAW
244	select CEVT_R4K
245	select CSRC_R4K
246	select DMA_NONCOHERENT
247	select HW_HAS_PCI
248	select IRQ_MIPS_CPU
249	select SYS_HAS_CPU_MIPS32_R1
250	select NO_EXCEPT_FILL
251	select SYS_SUPPORTS_32BIT_KERNEL
252	select SYS_SUPPORTS_LITTLE_ENDIAN
253	select SYS_SUPPORTS_MIPS16
254	select SYS_HAS_EARLY_PRINTK
255	select USE_GENERIC_EARLY_PRINTK_8250
256	select GPIOLIB
257	select LEDS_GPIO_REGISTER
258	select BCM47XX_NVRAM
259	select BCM47XX_SPROM
260	help
261	 Support for BCM47XX based boards
262
263config BCM63XX
264	bool "Broadcom BCM63XX based boards"
265	select BOOT_RAW
266	select CEVT_R4K
267	select CSRC_R4K
268	select SYNC_R4K
269	select DMA_NONCOHERENT
270	select IRQ_MIPS_CPU
271	select SYS_SUPPORTS_32BIT_KERNEL
272	select SYS_SUPPORTS_BIG_ENDIAN
273	select SYS_HAS_EARLY_PRINTK
274	select SWAP_IO_SPACE
275	select GPIOLIB
276	select HAVE_CLK
277	select MIPS_L1_CACHE_SHIFT_4
278	help
279	 Support for BCM63XX based boards
280
281config MIPS_COBALT
282	bool "Cobalt Server"
283	select CEVT_R4K
284	select CSRC_R4K
285	select CEVT_GT641XX
286	select DMA_NONCOHERENT
287	select HW_HAS_PCI
288	select I8253
289	select I8259
290	select IRQ_MIPS_CPU
291	select IRQ_GT641XX
292	select PCI_GT64XXX_PCI0
293	select PCI
294	select SYS_HAS_CPU_NEVADA
295	select SYS_HAS_EARLY_PRINTK
296	select SYS_SUPPORTS_32BIT_KERNEL
297	select SYS_SUPPORTS_64BIT_KERNEL
298	select SYS_SUPPORTS_LITTLE_ENDIAN
299	select USE_GENERIC_EARLY_PRINTK_8250
300
301config MACH_DECSTATION
302	bool "DECstations"
303	select BOOT_ELF32
304	select CEVT_DS1287
305	select CEVT_R4K if CPU_R4X00
306	select CSRC_IOASIC
307	select CSRC_R4K if CPU_R4X00
308	select CPU_DADDI_WORKAROUNDS if 64BIT
309	select CPU_R4000_WORKAROUNDS if 64BIT
310	select CPU_R4400_WORKAROUNDS if 64BIT
311	select DMA_NONCOHERENT
312	select NO_IOPORT_MAP
313	select IRQ_MIPS_CPU
314	select SYS_HAS_CPU_R3000
315	select SYS_HAS_CPU_R4X00
316	select SYS_SUPPORTS_32BIT_KERNEL
317	select SYS_SUPPORTS_64BIT_KERNEL
318	select SYS_SUPPORTS_LITTLE_ENDIAN
319	select SYS_SUPPORTS_128HZ
320	select SYS_SUPPORTS_256HZ
321	select SYS_SUPPORTS_1024HZ
322	select MIPS_L1_CACHE_SHIFT_4
323	help
324	  This enables support for DEC's MIPS based workstations.  For details
325	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
326	  DECstation porting pages on <http://decstation.unix-ag.org/>.
327
328	  If you have one of the following DECstation Models you definitely
329	  want to choose R4xx0 for the CPU Type:
330
331		DECstation 5000/50
332		DECstation 5000/150
333		DECstation 5000/260
334		DECsystem 5900/260
335
336	  otherwise choose R3000.
337
338config MACH_JAZZ
339	bool "Jazz family of machines"
340	select FW_ARC
341	select FW_ARC32
342	select ARCH_MAY_HAVE_PC_FDC
343	select CEVT_R4K
344	select CSRC_R4K
345	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
346	select GENERIC_ISA_DMA
347	select HAVE_PCSPKR_PLATFORM
348	select IRQ_MIPS_CPU
349	select I8253
350	select I8259
351	select ISA
352	select SYS_HAS_CPU_R4X00
353	select SYS_SUPPORTS_32BIT_KERNEL
354	select SYS_SUPPORTS_64BIT_KERNEL
355	select SYS_SUPPORTS_100HZ
356	help
357	 This a family of machines based on the MIPS R4030 chipset which was
358	 used by several vendors to build RISC/os and Windows NT workstations.
359	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
360	 Olivetti M700-10 workstations.
361
362config MACH_INGENIC
363	bool "Ingenic SoC based machines"
364	select SYS_SUPPORTS_32BIT_KERNEL
365	select SYS_SUPPORTS_LITTLE_ENDIAN
366	select SYS_SUPPORTS_ZBOOT_UART16550
367	select DMA_NONCOHERENT
368	select IRQ_MIPS_CPU
369	select PINCTRL
370	select GPIOLIB
371	select COMMON_CLK
372	select GENERIC_IRQ_CHIP
373	select BUILTIN_DTB
374	select USE_OF
375	select LIBFDT
376
377config LANTIQ
378	bool "Lantiq based platforms"
379	select DMA_NONCOHERENT
380	select IRQ_MIPS_CPU
381	select CEVT_R4K
382	select CSRC_R4K
383	select SYS_HAS_CPU_MIPS32_R1
384	select SYS_HAS_CPU_MIPS32_R2
385	select SYS_SUPPORTS_BIG_ENDIAN
386	select SYS_SUPPORTS_32BIT_KERNEL
387	select SYS_SUPPORTS_MIPS16
388	select SYS_SUPPORTS_MULTITHREADING
389	select SYS_HAS_EARLY_PRINTK
390	select GPIOLIB
391	select SWAP_IO_SPACE
392	select BOOT_RAW
393	select CLKDEV_LOOKUP
394	select USE_OF
395	select PINCTRL
396	select PINCTRL_LANTIQ
397	select ARCH_HAS_RESET_CONTROLLER
398	select RESET_CONTROLLER
399
400config LASAT
401	bool "LASAT Networks platforms"
402	select CEVT_R4K
403	select CRC32
404	select CSRC_R4K
405	select DMA_NONCOHERENT
406	select SYS_HAS_EARLY_PRINTK
407	select HW_HAS_PCI
408	select IRQ_MIPS_CPU
409	select PCI_GT64XXX_PCI0
410	select MIPS_NILE4
411	select R5000_CPU_SCACHE
412	select SYS_HAS_CPU_R5000
413	select SYS_SUPPORTS_32BIT_KERNEL
414	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
415	select SYS_SUPPORTS_LITTLE_ENDIAN
416
417config MACH_LOONGSON32
418	bool "Loongson-1 family of machines"
419	select SYS_SUPPORTS_ZBOOT
420	help
421	  This enables support for the Loongson-1 family of machines.
422
423	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
424	  the Institute of Computing Technology (ICT), Chinese Academy of
425	  Sciences (CAS).
426
427config MACH_LOONGSON64
428	bool "Loongson-2/3 family of machines"
429	select SYS_SUPPORTS_ZBOOT
430	help
431	  This enables the support of Loongson-2/3 family of machines.
432
433	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
434	  family of multi-core CPUs. They are both 64-bit general-purpose
435	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
436	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
437	  in the People's Republic of China. The chief architect is Professor
438	  Weiwu Hu.
439
440config MACH_PISTACHIO
441	bool "IMG Pistachio SoC based boards"
442	select BOOT_ELF32
443	select BOOT_RAW
444	select CEVT_R4K
445	select CLKSRC_MIPS_GIC
446	select COMMON_CLK
447	select CSRC_R4K
448	select DMA_NONCOHERENT
449	select GPIOLIB
450	select IRQ_MIPS_CPU
451	select LIBFDT
452	select MFD_SYSCON
453	select MIPS_CPU_SCACHE
454	select MIPS_GIC
455	select PINCTRL
456	select REGULATOR
457	select SYS_HAS_CPU_MIPS32_R2
458	select SYS_SUPPORTS_32BIT_KERNEL
459	select SYS_SUPPORTS_LITTLE_ENDIAN
460	select SYS_SUPPORTS_MIPS_CPS
461	select SYS_SUPPORTS_MULTITHREADING
462	select SYS_SUPPORTS_RELOCATABLE
463	select SYS_SUPPORTS_ZBOOT
464	select SYS_HAS_EARLY_PRINTK
465	select USE_GENERIC_EARLY_PRINTK_8250
466	select USE_OF
467	help
468	  This enables support for the IMG Pistachio SoC platform.
469
470config MACH_XILFPGA
471	bool "MIPSfpga Xilinx based boards"
472	select BOOT_ELF32
473	select BOOT_RAW
474	select BUILTIN_DTB
475	select CEVT_R4K
476	select COMMON_CLK
477	select CSRC_R4K
478	select GPIOLIB
479	select IRQ_MIPS_CPU
480	select LIBFDT
481	select MIPS_CPU_SCACHE
482	select SYS_HAS_EARLY_PRINTK
483	select SYS_HAS_CPU_MIPS32_R2
484	select SYS_SUPPORTS_32BIT_KERNEL
485	select SYS_SUPPORTS_LITTLE_ENDIAN
486	select SYS_SUPPORTS_ZBOOT_UART16550
487	select USE_OF
488	select USE_GENERIC_EARLY_PRINTK_8250
489	select XILINX_INTC
490	help
491	  This enables support for the IMG University Program MIPSfpga platform.
492
493config MIPS_MALTA
494	bool "MIPS Malta board"
495	select ARCH_MAY_HAVE_PC_FDC
496	select BOOT_ELF32
497	select BOOT_RAW
498	select BUILTIN_DTB
499	select CEVT_R4K
500	select CSRC_R4K
501	select CLKSRC_MIPS_GIC
502	select COMMON_CLK
503	select DMA_MAYBE_COHERENT
504	select GENERIC_ISA_DMA
505	select HAVE_PCSPKR_PLATFORM
506	select IRQ_MIPS_CPU
507	select MIPS_GIC
508	select HW_HAS_PCI
509	select I8253
510	select I8259
511	select MIPS_BONITO64
512	select MIPS_CPU_SCACHE
513	select MIPS_L1_CACHE_SHIFT_6
514	select PCI_GT64XXX_PCI0
515	select MIPS_MSC
516	select SMP_UP if SMP
517	select SWAP_IO_SPACE
518	select SYS_HAS_CPU_MIPS32_R1
519	select SYS_HAS_CPU_MIPS32_R2
520	select SYS_HAS_CPU_MIPS32_R3_5
521	select SYS_HAS_CPU_MIPS32_R5
522	select SYS_HAS_CPU_MIPS32_R6
523	select SYS_HAS_CPU_MIPS64_R1
524	select SYS_HAS_CPU_MIPS64_R2
525	select SYS_HAS_CPU_MIPS64_R6
526	select SYS_HAS_CPU_NEVADA
527	select SYS_HAS_CPU_RM7000
528	select SYS_SUPPORTS_32BIT_KERNEL
529	select SYS_SUPPORTS_64BIT_KERNEL
530	select SYS_SUPPORTS_BIG_ENDIAN
531	select SYS_SUPPORTS_HIGHMEM
532	select SYS_SUPPORTS_LITTLE_ENDIAN
533	select SYS_SUPPORTS_MICROMIPS
534	select SYS_SUPPORTS_MIPS_CMP
535	select SYS_SUPPORTS_MIPS_CPS
536	select SYS_SUPPORTS_MIPS16
537	select SYS_SUPPORTS_MULTITHREADING
538	select SYS_SUPPORTS_SMARTMIPS
539	select SYS_SUPPORTS_ZBOOT
540	select SYS_SUPPORTS_RELOCATABLE
541	select USE_OF
542	select LIBFDT
543	select ZONE_DMA32 if 64BIT
544	select BUILTIN_DTB
545	select LIBFDT
546	help
547	  This enables support for the MIPS Technologies Malta evaluation
548	  board.
549
550config MACH_PIC32
551	bool "Microchip PIC32 Family"
552	help
553	  This enables support for the Microchip PIC32 family of platforms.
554
555	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
556	  microcontrollers.
557
558config NEC_MARKEINS
559	bool "NEC EMMA2RH Mark-eins board"
560	select SOC_EMMA2RH
561	select HW_HAS_PCI
562	help
563	  This enables support for the NEC Electronics Mark-eins boards.
564
565config MACH_VR41XX
566	bool "NEC VR4100 series based machines"
567	select CEVT_R4K
568	select CSRC_R4K
569	select SYS_HAS_CPU_VR41XX
570	select SYS_SUPPORTS_MIPS16
571	select GPIOLIB
572
573config NXP_STB220
574	bool "NXP STB220 board"
575	select SOC_PNX833X
576	help
577	 Support for NXP Semiconductors STB220 Development Board.
578
579config NXP_STB225
580	bool "NXP 225 board"
581	select SOC_PNX833X
582	select SOC_PNX8335
583	help
584	 Support for NXP Semiconductors STB225 Development Board.
585
586config PMC_MSP
587	bool "PMC-Sierra MSP chipsets"
588	select CEVT_R4K
589	select CSRC_R4K
590	select DMA_NONCOHERENT
591	select SWAP_IO_SPACE
592	select NO_EXCEPT_FILL
593	select BOOT_RAW
594	select SYS_HAS_CPU_MIPS32_R1
595	select SYS_HAS_CPU_MIPS32_R2
596	select SYS_SUPPORTS_32BIT_KERNEL
597	select SYS_SUPPORTS_BIG_ENDIAN
598	select SYS_SUPPORTS_MIPS16
599	select IRQ_MIPS_CPU
600	select SERIAL_8250
601	select SERIAL_8250_CONSOLE
602	select USB_EHCI_BIG_ENDIAN_MMIO
603	select USB_EHCI_BIG_ENDIAN_DESC
604	help
605	  This adds support for the PMC-Sierra family of Multi-Service
606	  Processor System-On-A-Chips.  These parts include a number
607	  of integrated peripherals, interfaces and DSPs in addition to
608	  a variety of MIPS cores.
609
610config RALINK
611	bool "Ralink based machines"
612	select CEVT_R4K
613	select CSRC_R4K
614	select BOOT_RAW
615	select DMA_NONCOHERENT
616	select IRQ_MIPS_CPU
617	select USE_OF
618	select SYS_HAS_CPU_MIPS32_R1
619	select SYS_HAS_CPU_MIPS32_R2
620	select SYS_SUPPORTS_32BIT_KERNEL
621	select SYS_SUPPORTS_LITTLE_ENDIAN
622	select SYS_SUPPORTS_MIPS16
623	select SYS_HAS_EARLY_PRINTK
624	select CLKDEV_LOOKUP
625	select ARCH_HAS_RESET_CONTROLLER
626	select RESET_CONTROLLER
627
628config SGI_IP22
629	bool "SGI IP22 (Indy/Indigo2)"
630	select FW_ARC
631	select FW_ARC32
632	select BOOT_ELF32
633	select CEVT_R4K
634	select CSRC_R4K
635	select DEFAULT_SGI_PARTITION
636	select DMA_NONCOHERENT
637	select HW_HAS_EISA
638	select I8253
639	select I8259
640	select IP22_CPU_SCACHE
641	select IRQ_MIPS_CPU
642	select GENERIC_ISA_DMA_SUPPORT_BROKEN
643	select SGI_HAS_I8042
644	select SGI_HAS_INDYDOG
645	select SGI_HAS_HAL2
646	select SGI_HAS_SEEQ
647	select SGI_HAS_WD93
648	select SGI_HAS_ZILOG
649	select SWAP_IO_SPACE
650	select SYS_HAS_CPU_R4X00
651	select SYS_HAS_CPU_R5000
652	#
653	# Disable EARLY_PRINTK for now since it leads to overwritten prom
654	# memory during early boot on some machines.
655	#
656	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
657	# for a more details discussion
658	#
659	# select SYS_HAS_EARLY_PRINTK
660	select SYS_SUPPORTS_32BIT_KERNEL
661	select SYS_SUPPORTS_64BIT_KERNEL
662	select SYS_SUPPORTS_BIG_ENDIAN
663	select MIPS_L1_CACHE_SHIFT_7
664	help
665	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
666	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
667	  that runs on these, say Y here.
668
669config SGI_IP27
670	bool "SGI IP27 (Origin200/2000)"
671	select FW_ARC
672	select FW_ARC64
673	select BOOT_ELF64
674	select DEFAULT_SGI_PARTITION
675	select DMA_COHERENT
676	select SYS_HAS_EARLY_PRINTK
677	select HW_HAS_PCI
678	select NR_CPUS_DEFAULT_64
679	select SYS_HAS_CPU_R10000
680	select SYS_SUPPORTS_64BIT_KERNEL
681	select SYS_SUPPORTS_BIG_ENDIAN
682	select SYS_SUPPORTS_NUMA
683	select SYS_SUPPORTS_SMP
684	select MIPS_L1_CACHE_SHIFT_7
685	help
686	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
687	  workstations.  To compile a Linux kernel that runs on these, say Y
688	  here.
689
690config SGI_IP28
691	bool "SGI IP28 (Indigo2 R10k)"
692	select FW_ARC
693	select FW_ARC64
694	select BOOT_ELF64
695	select CEVT_R4K
696	select CSRC_R4K
697	select DEFAULT_SGI_PARTITION
698	select DMA_NONCOHERENT
699	select GENERIC_ISA_DMA_SUPPORT_BROKEN
700	select IRQ_MIPS_CPU
701	select HW_HAS_EISA
702	select I8253
703	select I8259
704	select SGI_HAS_I8042
705	select SGI_HAS_INDYDOG
706	select SGI_HAS_HAL2
707	select SGI_HAS_SEEQ
708	select SGI_HAS_WD93
709	select SGI_HAS_ZILOG
710	select SWAP_IO_SPACE
711	select SYS_HAS_CPU_R10000
712	#
713	# Disable EARLY_PRINTK for now since it leads to overwritten prom
714	# memory during early boot on some machines.
715	#
716	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
717	# for a more details discussion
718	#
719	# select SYS_HAS_EARLY_PRINTK
720	select SYS_SUPPORTS_64BIT_KERNEL
721	select SYS_SUPPORTS_BIG_ENDIAN
722	select MIPS_L1_CACHE_SHIFT_7
723      help
724        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
725        kernel that runs on these, say Y here.
726
727config SGI_IP32
728	bool "SGI IP32 (O2)"
729	select FW_ARC
730	select FW_ARC32
731	select BOOT_ELF32
732	select CEVT_R4K
733	select CSRC_R4K
734	select DMA_NONCOHERENT
735	select HW_HAS_PCI
736	select IRQ_MIPS_CPU
737	select R5000_CPU_SCACHE
738	select RM7000_CPU_SCACHE
739	select SYS_HAS_CPU_R5000
740	select SYS_HAS_CPU_R10000 if BROKEN
741	select SYS_HAS_CPU_RM7000
742	select SYS_HAS_CPU_NEVADA
743	select SYS_SUPPORTS_64BIT_KERNEL
744	select SYS_SUPPORTS_BIG_ENDIAN
745	help
746	  If you want this kernel to run on SGI O2 workstation, say Y here.
747
748config SIBYTE_CRHINE
749	bool "Sibyte BCM91120C-CRhine"
750	select BOOT_ELF32
751	select DMA_COHERENT
752	select SIBYTE_BCM1120
753	select SWAP_IO_SPACE
754	select SYS_HAS_CPU_SB1
755	select SYS_SUPPORTS_BIG_ENDIAN
756	select SYS_SUPPORTS_LITTLE_ENDIAN
757
758config SIBYTE_CARMEL
759	bool "Sibyte BCM91120x-Carmel"
760	select BOOT_ELF32
761	select DMA_COHERENT
762	select SIBYTE_BCM1120
763	select SWAP_IO_SPACE
764	select SYS_HAS_CPU_SB1
765	select SYS_SUPPORTS_BIG_ENDIAN
766	select SYS_SUPPORTS_LITTLE_ENDIAN
767
768config SIBYTE_CRHONE
769	bool "Sibyte BCM91125C-CRhone"
770	select BOOT_ELF32
771	select DMA_COHERENT
772	select SIBYTE_BCM1125
773	select SWAP_IO_SPACE
774	select SYS_HAS_CPU_SB1
775	select SYS_SUPPORTS_BIG_ENDIAN
776	select SYS_SUPPORTS_HIGHMEM
777	select SYS_SUPPORTS_LITTLE_ENDIAN
778
779config SIBYTE_RHONE
780	bool "Sibyte BCM91125E-Rhone"
781	select BOOT_ELF32
782	select DMA_COHERENT
783	select SIBYTE_BCM1125H
784	select SWAP_IO_SPACE
785	select SYS_HAS_CPU_SB1
786	select SYS_SUPPORTS_BIG_ENDIAN
787	select SYS_SUPPORTS_LITTLE_ENDIAN
788
789config SIBYTE_SWARM
790	bool "Sibyte BCM91250A-SWARM"
791	select BOOT_ELF32
792	select DMA_COHERENT
793	select HAVE_PATA_PLATFORM
794	select SIBYTE_SB1250
795	select SWAP_IO_SPACE
796	select SYS_HAS_CPU_SB1
797	select SYS_SUPPORTS_BIG_ENDIAN
798	select SYS_SUPPORTS_HIGHMEM
799	select SYS_SUPPORTS_LITTLE_ENDIAN
800	select ZONE_DMA32 if 64BIT
801
802config SIBYTE_LITTLESUR
803	bool "Sibyte BCM91250C2-LittleSur"
804	select BOOT_ELF32
805	select DMA_COHERENT
806	select HAVE_PATA_PLATFORM
807	select SIBYTE_SB1250
808	select SWAP_IO_SPACE
809	select SYS_HAS_CPU_SB1
810	select SYS_SUPPORTS_BIG_ENDIAN
811	select SYS_SUPPORTS_HIGHMEM
812	select SYS_SUPPORTS_LITTLE_ENDIAN
813
814config SIBYTE_SENTOSA
815	bool "Sibyte BCM91250E-Sentosa"
816	select BOOT_ELF32
817	select DMA_COHERENT
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_LITTLE_ENDIAN
823
824config SIBYTE_BIGSUR
825	bool "Sibyte BCM91480B-BigSur"
826	select BOOT_ELF32
827	select DMA_COHERENT
828	select NR_CPUS_DEFAULT_4
829	select SIBYTE_BCM1x80
830	select SWAP_IO_SPACE
831	select SYS_HAS_CPU_SB1
832	select SYS_SUPPORTS_BIG_ENDIAN
833	select SYS_SUPPORTS_HIGHMEM
834	select SYS_SUPPORTS_LITTLE_ENDIAN
835	select ZONE_DMA32 if 64BIT
836
837config SNI_RM
838	bool "SNI RM200/300/400"
839	select FW_ARC if CPU_LITTLE_ENDIAN
840	select FW_ARC32 if CPU_LITTLE_ENDIAN
841	select FW_SNIPROM if CPU_BIG_ENDIAN
842	select ARCH_MAY_HAVE_PC_FDC
843	select BOOT_ELF32
844	select CEVT_R4K
845	select CSRC_R4K
846	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
847	select DMA_NONCOHERENT
848	select GENERIC_ISA_DMA
849	select HAVE_PCSPKR_PLATFORM
850	select HW_HAS_EISA
851	select HW_HAS_PCI
852	select IRQ_MIPS_CPU
853	select I8253
854	select I8259
855	select ISA
856	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
857	select SYS_HAS_CPU_R4X00
858	select SYS_HAS_CPU_R5000
859	select SYS_HAS_CPU_R10000
860	select R5000_CPU_SCACHE
861	select SYS_HAS_EARLY_PRINTK
862	select SYS_SUPPORTS_32BIT_KERNEL
863	select SYS_SUPPORTS_64BIT_KERNEL
864	select SYS_SUPPORTS_BIG_ENDIAN
865	select SYS_SUPPORTS_HIGHMEM
866	select SYS_SUPPORTS_LITTLE_ENDIAN
867	help
868	  The SNI RM200/300/400 are MIPS-based machines manufactured by
869	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
870	  Technology and now in turn merged with Fujitsu.  Say Y here to
871	  support this machine type.
872
873config MACH_TX39XX
874	bool "Toshiba TX39 series based machines"
875
876config MACH_TX49XX
877	bool "Toshiba TX49 series based machines"
878
879config MIKROTIK_RB532
880	bool "Mikrotik RB532 boards"
881	select CEVT_R4K
882	select CSRC_R4K
883	select DMA_NONCOHERENT
884	select HW_HAS_PCI
885	select IRQ_MIPS_CPU
886	select SYS_HAS_CPU_MIPS32_R1
887	select SYS_SUPPORTS_32BIT_KERNEL
888	select SYS_SUPPORTS_LITTLE_ENDIAN
889	select SWAP_IO_SPACE
890	select BOOT_RAW
891	select GPIOLIB
892	select MIPS_L1_CACHE_SHIFT_4
893	help
894	  Support the Mikrotik(tm) RouterBoard 532 series,
895	  based on the IDT RC32434 SoC.
896
897config CAVIUM_OCTEON_SOC
898	bool "Cavium Networks Octeon SoC based boards"
899	select CEVT_R4K
900	select ARCH_PHYS_ADDR_T_64BIT
901	select DMA_COHERENT
902	select SYS_SUPPORTS_64BIT_KERNEL
903	select SYS_SUPPORTS_BIG_ENDIAN
904	select EDAC_SUPPORT
905	select EDAC_ATOMIC_SCRUB
906	select SYS_SUPPORTS_LITTLE_ENDIAN
907	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
908	select SYS_HAS_EARLY_PRINTK
909	select SYS_HAS_CPU_CAVIUM_OCTEON
910	select HW_HAS_PCI
911	select ZONE_DMA32
912	select HOLES_IN_ZONE
913	select GPIOLIB
914	select LIBFDT
915	select USE_OF
916	select ARCH_SPARSEMEM_ENABLE
917	select SYS_SUPPORTS_SMP
918	select NR_CPUS_DEFAULT_16
919	select BUILTIN_DTB
920	select MTD_COMPLEX_MAPPINGS
921	select SYS_SUPPORTS_RELOCATABLE
922	help
923	  This option supports all of the Octeon reference boards from Cavium
924	  Networks. It builds a kernel that dynamically determines the Octeon
925	  CPU type and supports all known board reference implementations.
926	  Some of the supported boards are:
927		EBT3000
928		EBH3000
929		EBH3100
930		Thunder
931		Kodama
932		Hikari
933	  Say Y here for most Octeon reference boards.
934
935config NLM_XLR_BOARD
936	bool "Netlogic XLR/XLS based systems"
937	select BOOT_ELF32
938	select NLM_COMMON
939	select SYS_HAS_CPU_XLR
940	select SYS_SUPPORTS_SMP
941	select HW_HAS_PCI
942	select SWAP_IO_SPACE
943	select SYS_SUPPORTS_32BIT_KERNEL
944	select SYS_SUPPORTS_64BIT_KERNEL
945	select ARCH_PHYS_ADDR_T_64BIT
946	select SYS_SUPPORTS_BIG_ENDIAN
947	select SYS_SUPPORTS_HIGHMEM
948	select DMA_COHERENT
949	select NR_CPUS_DEFAULT_32
950	select CEVT_R4K
951	select CSRC_R4K
952	select IRQ_MIPS_CPU
953	select ZONE_DMA32 if 64BIT
954	select SYNC_R4K
955	select SYS_HAS_EARLY_PRINTK
956	select SYS_SUPPORTS_ZBOOT
957	select SYS_SUPPORTS_ZBOOT_UART16550
958	help
959	  Support for systems based on Netlogic XLR and XLS processors.
960	  Say Y here if you have a XLR or XLS based board.
961
962config NLM_XLP_BOARD
963	bool "Netlogic XLP based systems"
964	select BOOT_ELF32
965	select NLM_COMMON
966	select SYS_HAS_CPU_XLP
967	select SYS_SUPPORTS_SMP
968	select HW_HAS_PCI
969	select SYS_SUPPORTS_32BIT_KERNEL
970	select SYS_SUPPORTS_64BIT_KERNEL
971	select ARCH_PHYS_ADDR_T_64BIT
972	select GPIOLIB
973	select SYS_SUPPORTS_BIG_ENDIAN
974	select SYS_SUPPORTS_LITTLE_ENDIAN
975	select SYS_SUPPORTS_HIGHMEM
976	select DMA_COHERENT
977	select NR_CPUS_DEFAULT_32
978	select CEVT_R4K
979	select CSRC_R4K
980	select IRQ_MIPS_CPU
981	select ZONE_DMA32 if 64BIT
982	select SYNC_R4K
983	select SYS_HAS_EARLY_PRINTK
984	select USE_OF
985	select SYS_SUPPORTS_ZBOOT
986	select SYS_SUPPORTS_ZBOOT_UART16550
987	help
988	  This board is based on Netlogic XLP Processor.
989	  Say Y here if you have a XLP based board.
990
991config MIPS_PARAVIRT
992	bool "Para-Virtualized guest system"
993	select CEVT_R4K
994	select CSRC_R4K
995	select DMA_COHERENT
996	select SYS_SUPPORTS_64BIT_KERNEL
997	select SYS_SUPPORTS_32BIT_KERNEL
998	select SYS_SUPPORTS_BIG_ENDIAN
999	select SYS_SUPPORTS_SMP
1000	select NR_CPUS_DEFAULT_4
1001	select SYS_HAS_EARLY_PRINTK
1002	select SYS_HAS_CPU_MIPS32_R2
1003	select SYS_HAS_CPU_MIPS64_R2
1004	select SYS_HAS_CPU_CAVIUM_OCTEON
1005	select HW_HAS_PCI
1006	select SWAP_IO_SPACE
1007	help
1008	  This option supports guest running under ????
1009
1010endchoice
1011
1012source "arch/mips/alchemy/Kconfig"
1013source "arch/mips/ath25/Kconfig"
1014source "arch/mips/ath79/Kconfig"
1015source "arch/mips/bcm47xx/Kconfig"
1016source "arch/mips/bcm63xx/Kconfig"
1017source "arch/mips/bmips/Kconfig"
1018source "arch/mips/generic/Kconfig"
1019source "arch/mips/jazz/Kconfig"
1020source "arch/mips/jz4740/Kconfig"
1021source "arch/mips/lantiq/Kconfig"
1022source "arch/mips/lasat/Kconfig"
1023source "arch/mips/pic32/Kconfig"
1024source "arch/mips/pistachio/Kconfig"
1025source "arch/mips/pmcs-msp71xx/Kconfig"
1026source "arch/mips/ralink/Kconfig"
1027source "arch/mips/sgi-ip27/Kconfig"
1028source "arch/mips/sibyte/Kconfig"
1029source "arch/mips/txx9/Kconfig"
1030source "arch/mips/vr41xx/Kconfig"
1031source "arch/mips/cavium-octeon/Kconfig"
1032source "arch/mips/loongson32/Kconfig"
1033source "arch/mips/loongson64/Kconfig"
1034source "arch/mips/netlogic/Kconfig"
1035source "arch/mips/paravirt/Kconfig"
1036source "arch/mips/xilfpga/Kconfig"
1037
1038endmenu
1039
1040config RWSEM_GENERIC_SPINLOCK
1041	bool
1042	default y
1043
1044config RWSEM_XCHGADD_ALGORITHM
1045	bool
1046
1047config GENERIC_HWEIGHT
1048	bool
1049	default y
1050
1051config GENERIC_CALIBRATE_DELAY
1052	bool
1053	default y
1054
1055config SCHED_OMIT_FRAME_POINTER
1056	bool
1057	default y
1058
1059#
1060# Select some configuration options automatically based on user selections.
1061#
1062config FW_ARC
1063	bool
1064
1065config ARCH_MAY_HAVE_PC_FDC
1066	bool
1067
1068config BOOT_RAW
1069	bool
1070
1071config CEVT_BCM1480
1072	bool
1073
1074config CEVT_DS1287
1075	bool
1076
1077config CEVT_GT641XX
1078	bool
1079
1080config CEVT_R4K
1081	bool
1082
1083config CEVT_SB1250
1084	bool
1085
1086config CEVT_TXX9
1087	bool
1088
1089config CSRC_BCM1480
1090	bool
1091
1092config CSRC_IOASIC
1093	bool
1094
1095config CSRC_R4K
1096	bool
1097
1098config CSRC_SB1250
1099	bool
1100
1101config MIPS_CLOCK_VSYSCALL
1102	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1103
1104config GPIO_TXX9
1105	select GPIOLIB
1106	bool
1107
1108config FW_CFE
1109	bool
1110
1111config ARCH_DMA_ADDR_T_64BIT
1112	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1113
1114config ARCH_SUPPORTS_UPROBES
1115	bool
1116
1117config DMA_MAYBE_COHERENT
1118	select DMA_NONCOHERENT
1119	bool
1120
1121config DMA_PERDEV_COHERENT
1122	bool
1123	select DMA_MAYBE_COHERENT
1124
1125config DMA_COHERENT
1126	bool
1127
1128config DMA_NONCOHERENT
1129	bool
1130	select NEED_DMA_MAP_STATE
1131
1132config NEED_DMA_MAP_STATE
1133	bool
1134
1135config SYS_HAS_EARLY_PRINTK
1136	bool
1137
1138config SYS_SUPPORTS_HOTPLUG_CPU
1139	bool
1140
1141config MIPS_BONITO64
1142	bool
1143
1144config MIPS_MSC
1145	bool
1146
1147config MIPS_NILE4
1148	bool
1149
1150config SYNC_R4K
1151	bool
1152
1153config MIPS_MACHINE
1154	def_bool n
1155
1156config NO_IOPORT_MAP
1157	def_bool n
1158
1159config GENERIC_CSUM
1160	bool
1161
1162config GENERIC_ISA_DMA
1163	bool
1164	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1165	select ISA_DMA_API
1166
1167config GENERIC_ISA_DMA_SUPPORT_BROKEN
1168	bool
1169	select GENERIC_ISA_DMA
1170
1171config ISA_DMA_API
1172	bool
1173
1174config HOLES_IN_ZONE
1175	bool
1176
1177config SYS_SUPPORTS_RELOCATABLE
1178	bool
1179	help
1180	 Selected if the platform supports relocating the kernel.
1181	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1182	 to allow access to command line and entropy sources.
1183
1184config MIPS_CBPF_JIT
1185	def_bool y
1186	depends on BPF_JIT && HAVE_CBPF_JIT
1187
1188config MIPS_EBPF_JIT
1189	def_bool y
1190	depends on BPF_JIT && HAVE_EBPF_JIT
1191
1192
1193#
1194# Endianness selection.  Sufficiently obscure so many users don't know what to
1195# answer,so we try hard to limit the available choices.  Also the use of a
1196# choice statement should be more obvious to the user.
1197#
1198choice
1199	prompt "Endianness selection"
1200	help
1201	  Some MIPS machines can be configured for either little or big endian
1202	  byte order. These modes require different kernels and a different
1203	  Linux distribution.  In general there is one preferred byteorder for a
1204	  particular system but some systems are just as commonly used in the
1205	  one or the other endianness.
1206
1207config CPU_BIG_ENDIAN
1208	bool "Big endian"
1209	depends on SYS_SUPPORTS_BIG_ENDIAN
1210
1211config CPU_LITTLE_ENDIAN
1212	bool "Little endian"
1213	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1214
1215endchoice
1216
1217config EXPORT_UASM
1218	bool
1219
1220config SYS_SUPPORTS_APM_EMULATION
1221	bool
1222
1223config SYS_SUPPORTS_BIG_ENDIAN
1224	bool
1225
1226config SYS_SUPPORTS_LITTLE_ENDIAN
1227	bool
1228
1229config SYS_SUPPORTS_HUGETLBFS
1230	bool
1231	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1232	default y
1233
1234config MIPS_HUGE_TLB_SUPPORT
1235	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1236
1237config IRQ_CPU_RM7K
1238	bool
1239
1240config IRQ_MSP_SLP
1241	bool
1242
1243config IRQ_MSP_CIC
1244	bool
1245
1246config IRQ_TXX9
1247	bool
1248
1249config IRQ_GT641XX
1250	bool
1251
1252config PCI_GT64XXX_PCI0
1253	bool
1254
1255config NO_EXCEPT_FILL
1256	bool
1257
1258config SOC_EMMA2RH
1259	bool
1260	select CEVT_R4K
1261	select CSRC_R4K
1262	select DMA_NONCOHERENT
1263	select IRQ_MIPS_CPU
1264	select SWAP_IO_SPACE
1265	select SYS_HAS_CPU_R5500
1266	select SYS_SUPPORTS_32BIT_KERNEL
1267	select SYS_SUPPORTS_64BIT_KERNEL
1268	select SYS_SUPPORTS_BIG_ENDIAN
1269
1270config SOC_PNX833X
1271	bool
1272	select CEVT_R4K
1273	select CSRC_R4K
1274	select IRQ_MIPS_CPU
1275	select DMA_NONCOHERENT
1276	select SYS_HAS_CPU_MIPS32_R2
1277	select SYS_SUPPORTS_32BIT_KERNEL
1278	select SYS_SUPPORTS_LITTLE_ENDIAN
1279	select SYS_SUPPORTS_BIG_ENDIAN
1280	select SYS_SUPPORTS_MIPS16
1281	select CPU_MIPSR2_IRQ_VI
1282
1283config SOC_PNX8335
1284	bool
1285	select SOC_PNX833X
1286
1287config MIPS_SPRAM
1288	bool
1289
1290config SWAP_IO_SPACE
1291	bool
1292
1293config SGI_HAS_INDYDOG
1294	bool
1295
1296config SGI_HAS_HAL2
1297	bool
1298
1299config SGI_HAS_SEEQ
1300	bool
1301
1302config SGI_HAS_WD93
1303	bool
1304
1305config SGI_HAS_ZILOG
1306	bool
1307
1308config SGI_HAS_I8042
1309	bool
1310
1311config DEFAULT_SGI_PARTITION
1312	bool
1313
1314config FW_ARC32
1315	bool
1316
1317config FW_SNIPROM
1318	bool
1319
1320config BOOT_ELF32
1321	bool
1322
1323config MIPS_L1_CACHE_SHIFT_4
1324	bool
1325
1326config MIPS_L1_CACHE_SHIFT_5
1327	bool
1328
1329config MIPS_L1_CACHE_SHIFT_6
1330	bool
1331
1332config MIPS_L1_CACHE_SHIFT_7
1333	bool
1334
1335config MIPS_L1_CACHE_SHIFT
1336	int
1337	default "7" if MIPS_L1_CACHE_SHIFT_7
1338	default "6" if MIPS_L1_CACHE_SHIFT_6
1339	default "5" if MIPS_L1_CACHE_SHIFT_5
1340	default "4" if MIPS_L1_CACHE_SHIFT_4
1341	default "5"
1342
1343config HAVE_STD_PC_SERIAL_PORT
1344	bool
1345
1346config ARC_CONSOLE
1347	bool "ARC console support"
1348	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1349
1350config ARC_MEMORY
1351	bool
1352	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1353	default y
1354
1355config ARC_PROMLIB
1356	bool
1357	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1358	default y
1359
1360config FW_ARC64
1361	bool
1362
1363config BOOT_ELF64
1364	bool
1365
1366menu "CPU selection"
1367
1368choice
1369	prompt "CPU type"
1370	default CPU_R4X00
1371
1372config CPU_LOONGSON3
1373	bool "Loongson 3 CPU"
1374	depends on SYS_HAS_CPU_LOONGSON3
1375	select CPU_SUPPORTS_64BIT_KERNEL
1376	select CPU_SUPPORTS_HIGHMEM
1377	select CPU_SUPPORTS_HUGEPAGES
1378	select WEAK_ORDERING
1379	select WEAK_REORDERING_BEYOND_LLSC
1380	select MIPS_PGD_C0_CONTEXT
1381	select MIPS_L1_CACHE_SHIFT_6
1382	select GPIOLIB
1383	help
1384		The Loongson 3 processor implements the MIPS64R2 instruction
1385		set with many extensions.
1386
1387config LOONGSON3_ENHANCEMENT
1388	bool "New Loongson 3 CPU Enhancements"
1389	default n
1390	select CPU_MIPSR2
1391	select CPU_HAS_PREFETCH
1392	depends on CPU_LOONGSON3
1393	help
1394	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1395	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1396	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1397	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1398	  Fast TLB refill support, etc.
1399
1400	  This option enable those enhancements which are not probed at run
1401	  time. If you want a generic kernel to run on all Loongson 3 machines,
1402	  please say 'N' here. If you want a high-performance kernel to run on
1403	  new Loongson 3 machines only, please say 'Y' here.
1404
1405config CPU_LOONGSON2E
1406	bool "Loongson 2E"
1407	depends on SYS_HAS_CPU_LOONGSON2E
1408	select CPU_LOONGSON2
1409	help
1410	  The Loongson 2E processor implements the MIPS III instruction set
1411	  with many extensions.
1412
1413	  It has an internal FPGA northbridge, which is compatible to
1414	  bonito64.
1415
1416config CPU_LOONGSON2F
1417	bool "Loongson 2F"
1418	depends on SYS_HAS_CPU_LOONGSON2F
1419	select CPU_LOONGSON2
1420	select GPIOLIB
1421	help
1422	  The Loongson 2F processor implements the MIPS III instruction set
1423	  with many extensions.
1424
1425	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1426	  have a similar programming interface with FPGA northbridge used in
1427	  Loongson2E.
1428
1429config CPU_LOONGSON1B
1430	bool "Loongson 1B"
1431	depends on SYS_HAS_CPU_LOONGSON1B
1432	select CPU_LOONGSON1
1433	select LEDS_GPIO_REGISTER
1434	help
1435	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1436	  release 2 instruction set.
1437
1438config CPU_LOONGSON1C
1439	bool "Loongson 1C"
1440	depends on SYS_HAS_CPU_LOONGSON1C
1441	select CPU_LOONGSON1
1442	select LEDS_GPIO_REGISTER
1443	help
1444	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1445	  release 2 instruction set.
1446
1447config CPU_MIPS32_R1
1448	bool "MIPS32 Release 1"
1449	depends on SYS_HAS_CPU_MIPS32_R1
1450	select CPU_HAS_PREFETCH
1451	select CPU_SUPPORTS_32BIT_KERNEL
1452	select CPU_SUPPORTS_HIGHMEM
1453	help
1454	  Choose this option to build a kernel for release 1 or later of the
1455	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1456	  MIPS processor are based on a MIPS32 processor.  If you know the
1457	  specific type of processor in your system, choose those that one
1458	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1459	  Release 2 of the MIPS32 architecture is available since several
1460	  years so chances are you even have a MIPS32 Release 2 processor
1461	  in which case you should choose CPU_MIPS32_R2 instead for better
1462	  performance.
1463
1464config CPU_MIPS32_R2
1465	bool "MIPS32 Release 2"
1466	depends on SYS_HAS_CPU_MIPS32_R2
1467	select CPU_HAS_PREFETCH
1468	select CPU_SUPPORTS_32BIT_KERNEL
1469	select CPU_SUPPORTS_HIGHMEM
1470	select CPU_SUPPORTS_MSA
1471	select HAVE_KVM
1472	help
1473	  Choose this option to build a kernel for release 2 or later of the
1474	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1475	  MIPS processor are based on a MIPS32 processor.  If you know the
1476	  specific type of processor in your system, choose those that one
1477	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1478
1479config CPU_MIPS32_R6
1480	bool "MIPS32 Release 6"
1481	depends on SYS_HAS_CPU_MIPS32_R6
1482	select CPU_HAS_PREFETCH
1483	select CPU_SUPPORTS_32BIT_KERNEL
1484	select CPU_SUPPORTS_HIGHMEM
1485	select CPU_SUPPORTS_MSA
1486	select GENERIC_CSUM
1487	select HAVE_KVM
1488	select MIPS_O32_FP64_SUPPORT
1489	help
1490	  Choose this option to build a kernel for release 6 or later of the
1491	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1492	  family, are based on a MIPS32r6 processor. If you own an older
1493	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1494
1495config CPU_MIPS64_R1
1496	bool "MIPS64 Release 1"
1497	depends on SYS_HAS_CPU_MIPS64_R1
1498	select CPU_HAS_PREFETCH
1499	select CPU_SUPPORTS_32BIT_KERNEL
1500	select CPU_SUPPORTS_64BIT_KERNEL
1501	select CPU_SUPPORTS_HIGHMEM
1502	select CPU_SUPPORTS_HUGEPAGES
1503	help
1504	  Choose this option to build a kernel for release 1 or later of the
1505	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1506	  MIPS processor are based on a MIPS64 processor.  If you know the
1507	  specific type of processor in your system, choose those that one
1508	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1509	  Release 2 of the MIPS64 architecture is available since several
1510	  years so chances are you even have a MIPS64 Release 2 processor
1511	  in which case you should choose CPU_MIPS64_R2 instead for better
1512	  performance.
1513
1514config CPU_MIPS64_R2
1515	bool "MIPS64 Release 2"
1516	depends on SYS_HAS_CPU_MIPS64_R2
1517	select CPU_HAS_PREFETCH
1518	select CPU_SUPPORTS_32BIT_KERNEL
1519	select CPU_SUPPORTS_64BIT_KERNEL
1520	select CPU_SUPPORTS_HIGHMEM
1521	select CPU_SUPPORTS_HUGEPAGES
1522	select CPU_SUPPORTS_MSA
1523	select HAVE_KVM
1524	help
1525	  Choose this option to build a kernel for release 2 or later of the
1526	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1527	  MIPS processor are based on a MIPS64 processor.  If you know the
1528	  specific type of processor in your system, choose those that one
1529	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1530
1531config CPU_MIPS64_R6
1532	bool "MIPS64 Release 6"
1533	depends on SYS_HAS_CPU_MIPS64_R6
1534	select CPU_HAS_PREFETCH
1535	select CPU_SUPPORTS_32BIT_KERNEL
1536	select CPU_SUPPORTS_64BIT_KERNEL
1537	select CPU_SUPPORTS_HIGHMEM
1538	select CPU_SUPPORTS_MSA
1539	select GENERIC_CSUM
1540	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1541	select HAVE_KVM
1542	help
1543	  Choose this option to build a kernel for release 6 or later of the
1544	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1545	  family, are based on a MIPS64r6 processor. If you own an older
1546	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1547
1548config CPU_R3000
1549	bool "R3000"
1550	depends on SYS_HAS_CPU_R3000
1551	select CPU_HAS_WB
1552	select CPU_SUPPORTS_32BIT_KERNEL
1553	select CPU_SUPPORTS_HIGHMEM
1554	help
1555	  Please make sure to pick the right CPU type. Linux/MIPS is not
1556	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1557	  *not* work on R4000 machines and vice versa.  However, since most
1558	  of the supported machines have an R4000 (or similar) CPU, R4x00
1559	  might be a safe bet.  If the resulting kernel does not work,
1560	  try to recompile with R3000.
1561
1562config CPU_TX39XX
1563	bool "R39XX"
1564	depends on SYS_HAS_CPU_TX39XX
1565	select CPU_SUPPORTS_32BIT_KERNEL
1566
1567config CPU_VR41XX
1568	bool "R41xx"
1569	depends on SYS_HAS_CPU_VR41XX
1570	select CPU_SUPPORTS_32BIT_KERNEL
1571	select CPU_SUPPORTS_64BIT_KERNEL
1572	help
1573	  The options selects support for the NEC VR4100 series of processors.
1574	  Only choose this option if you have one of these processors as a
1575	  kernel built with this option will not run on any other type of
1576	  processor or vice versa.
1577
1578config CPU_R4300
1579	bool "R4300"
1580	depends on SYS_HAS_CPU_R4300
1581	select CPU_SUPPORTS_32BIT_KERNEL
1582	select CPU_SUPPORTS_64BIT_KERNEL
1583	help
1584	  MIPS Technologies R4300-series processors.
1585
1586config CPU_R4X00
1587	bool "R4x00"
1588	depends on SYS_HAS_CPU_R4X00
1589	select CPU_SUPPORTS_32BIT_KERNEL
1590	select CPU_SUPPORTS_64BIT_KERNEL
1591	select CPU_SUPPORTS_HUGEPAGES
1592	help
1593	  MIPS Technologies R4000-series processors other than 4300, including
1594	  the R4000, R4400, R4600, and 4700.
1595
1596config CPU_TX49XX
1597	bool "R49XX"
1598	depends on SYS_HAS_CPU_TX49XX
1599	select CPU_HAS_PREFETCH
1600	select CPU_SUPPORTS_32BIT_KERNEL
1601	select CPU_SUPPORTS_64BIT_KERNEL
1602	select CPU_SUPPORTS_HUGEPAGES
1603
1604config CPU_R5000
1605	bool "R5000"
1606	depends on SYS_HAS_CPU_R5000
1607	select CPU_SUPPORTS_32BIT_KERNEL
1608	select CPU_SUPPORTS_64BIT_KERNEL
1609	select CPU_SUPPORTS_HUGEPAGES
1610	help
1611	  MIPS Technologies R5000-series processors other than the Nevada.
1612
1613config CPU_R5432
1614	bool "R5432"
1615	depends on SYS_HAS_CPU_R5432
1616	select CPU_SUPPORTS_32BIT_KERNEL
1617	select CPU_SUPPORTS_64BIT_KERNEL
1618	select CPU_SUPPORTS_HUGEPAGES
1619
1620config CPU_R5500
1621	bool "R5500"
1622	depends on SYS_HAS_CPU_R5500
1623	select CPU_SUPPORTS_32BIT_KERNEL
1624	select CPU_SUPPORTS_64BIT_KERNEL
1625	select CPU_SUPPORTS_HUGEPAGES
1626	help
1627	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1628	  instruction set.
1629
1630config CPU_NEVADA
1631	bool "RM52xx"
1632	depends on SYS_HAS_CPU_NEVADA
1633	select CPU_SUPPORTS_32BIT_KERNEL
1634	select CPU_SUPPORTS_64BIT_KERNEL
1635	select CPU_SUPPORTS_HUGEPAGES
1636	help
1637	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1638
1639config CPU_R8000
1640	bool "R8000"
1641	depends on SYS_HAS_CPU_R8000
1642	select CPU_HAS_PREFETCH
1643	select CPU_SUPPORTS_64BIT_KERNEL
1644	help
1645	  MIPS Technologies R8000 processors.  Note these processors are
1646	  uncommon and the support for them is incomplete.
1647
1648config CPU_R10000
1649	bool "R10000"
1650	depends on SYS_HAS_CPU_R10000
1651	select CPU_HAS_PREFETCH
1652	select CPU_SUPPORTS_32BIT_KERNEL
1653	select CPU_SUPPORTS_64BIT_KERNEL
1654	select CPU_SUPPORTS_HIGHMEM
1655	select CPU_SUPPORTS_HUGEPAGES
1656	help
1657	  MIPS Technologies R10000-series processors.
1658
1659config CPU_RM7000
1660	bool "RM7000"
1661	depends on SYS_HAS_CPU_RM7000
1662	select CPU_HAS_PREFETCH
1663	select CPU_SUPPORTS_32BIT_KERNEL
1664	select CPU_SUPPORTS_64BIT_KERNEL
1665	select CPU_SUPPORTS_HIGHMEM
1666	select CPU_SUPPORTS_HUGEPAGES
1667
1668config CPU_SB1
1669	bool "SB1"
1670	depends on SYS_HAS_CPU_SB1
1671	select CPU_SUPPORTS_32BIT_KERNEL
1672	select CPU_SUPPORTS_64BIT_KERNEL
1673	select CPU_SUPPORTS_HIGHMEM
1674	select CPU_SUPPORTS_HUGEPAGES
1675	select WEAK_ORDERING
1676
1677config CPU_CAVIUM_OCTEON
1678	bool "Cavium Octeon processor"
1679	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1680	select CPU_HAS_PREFETCH
1681	select CPU_SUPPORTS_64BIT_KERNEL
1682	select WEAK_ORDERING
1683	select CPU_SUPPORTS_HIGHMEM
1684	select CPU_SUPPORTS_HUGEPAGES
1685	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1686	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1687	select MIPS_L1_CACHE_SHIFT_7
1688	select HAVE_KVM
1689	help
1690	  The Cavium Octeon processor is a highly integrated chip containing
1691	  many ethernet hardware widgets for networking tasks. The processor
1692	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1693	  Full details can be found at http://www.caviumnetworks.com.
1694
1695config CPU_BMIPS
1696	bool "Broadcom BMIPS"
1697	depends on SYS_HAS_CPU_BMIPS
1698	select CPU_MIPS32
1699	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1700	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1701	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1702	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1703	select CPU_SUPPORTS_32BIT_KERNEL
1704	select DMA_NONCOHERENT
1705	select IRQ_MIPS_CPU
1706	select SWAP_IO_SPACE
1707	select WEAK_ORDERING
1708	select CPU_SUPPORTS_HIGHMEM
1709	select CPU_HAS_PREFETCH
1710	select CPU_SUPPORTS_CPUFREQ
1711	select MIPS_EXTERNAL_TIMER
1712	help
1713	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1714
1715config CPU_XLR
1716	bool "Netlogic XLR SoC"
1717	depends on SYS_HAS_CPU_XLR
1718	select CPU_SUPPORTS_32BIT_KERNEL
1719	select CPU_SUPPORTS_64BIT_KERNEL
1720	select CPU_SUPPORTS_HIGHMEM
1721	select CPU_SUPPORTS_HUGEPAGES
1722	select WEAK_ORDERING
1723	select WEAK_REORDERING_BEYOND_LLSC
1724	help
1725	  Netlogic Microsystems XLR/XLS processors.
1726
1727config CPU_XLP
1728	bool "Netlogic XLP SoC"
1729	depends on SYS_HAS_CPU_XLP
1730	select CPU_SUPPORTS_32BIT_KERNEL
1731	select CPU_SUPPORTS_64BIT_KERNEL
1732	select CPU_SUPPORTS_HIGHMEM
1733	select WEAK_ORDERING
1734	select WEAK_REORDERING_BEYOND_LLSC
1735	select CPU_HAS_PREFETCH
1736	select CPU_MIPSR2
1737	select CPU_SUPPORTS_HUGEPAGES
1738	select MIPS_ASID_BITS_VARIABLE
1739	help
1740	  Netlogic Microsystems XLP processors.
1741endchoice
1742
1743config CPU_MIPS32_3_5_FEATURES
1744	bool "MIPS32 Release 3.5 Features"
1745	depends on SYS_HAS_CPU_MIPS32_R3_5
1746	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1747	help
1748	  Choose this option to build a kernel for release 2 or later of the
1749	  MIPS32 architecture including features from the 3.5 release such as
1750	  support for Enhanced Virtual Addressing (EVA).
1751
1752config CPU_MIPS32_3_5_EVA
1753	bool "Enhanced Virtual Addressing (EVA)"
1754	depends on CPU_MIPS32_3_5_FEATURES
1755	select EVA
1756	default y
1757	help
1758	  Choose this option if you want to enable the Enhanced Virtual
1759	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1760	  One of its primary benefits is an increase in the maximum size
1761	  of lowmem (up to 3GB). If unsure, say 'N' here.
1762
1763config CPU_MIPS32_R5_FEATURES
1764	bool "MIPS32 Release 5 Features"
1765	depends on SYS_HAS_CPU_MIPS32_R5
1766	depends on CPU_MIPS32_R2
1767	help
1768	  Choose this option to build a kernel for release 2 or later of the
1769	  MIPS32 architecture including features from release 5 such as
1770	  support for Extended Physical Addressing (XPA).
1771
1772config CPU_MIPS32_R5_XPA
1773	bool "Extended Physical Addressing (XPA)"
1774	depends on CPU_MIPS32_R5_FEATURES
1775	depends on !EVA
1776	depends on !PAGE_SIZE_4KB
1777	depends on SYS_SUPPORTS_HIGHMEM
1778	select XPA
1779	select HIGHMEM
1780	select ARCH_PHYS_ADDR_T_64BIT
1781	default n
1782	help
1783	  Choose this option if you want to enable the Extended Physical
1784	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1785	  benefit is to increase physical addressing equal to or greater
1786	  than 40 bits. Note that this has the side effect of turning on
1787	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1788	  If unsure, say 'N' here.
1789
1790if CPU_LOONGSON2F
1791config CPU_NOP_WORKAROUNDS
1792	bool
1793
1794config CPU_JUMP_WORKAROUNDS
1795	bool
1796
1797config CPU_LOONGSON2F_WORKAROUNDS
1798	bool "Loongson 2F Workarounds"
1799	default y
1800	select CPU_NOP_WORKAROUNDS
1801	select CPU_JUMP_WORKAROUNDS
1802	help
1803	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1804	  require workarounds.  Without workarounds the system may hang
1805	  unexpectedly.  For more information please refer to the gas
1806	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1807
1808	  Loongson 2F03 and later have fixed these issues and no workarounds
1809	  are needed.  The workarounds have no significant side effect on them
1810	  but may decrease the performance of the system so this option should
1811	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1812	  systems.
1813
1814	  If unsure, please say Y.
1815endif # CPU_LOONGSON2F
1816
1817config SYS_SUPPORTS_ZBOOT
1818	bool
1819	select HAVE_KERNEL_GZIP
1820	select HAVE_KERNEL_BZIP2
1821	select HAVE_KERNEL_LZ4
1822	select HAVE_KERNEL_LZMA
1823	select HAVE_KERNEL_LZO
1824	select HAVE_KERNEL_XZ
1825
1826config SYS_SUPPORTS_ZBOOT_UART16550
1827	bool
1828	select SYS_SUPPORTS_ZBOOT
1829
1830config SYS_SUPPORTS_ZBOOT_UART_PROM
1831	bool
1832	select SYS_SUPPORTS_ZBOOT
1833
1834config CPU_LOONGSON2
1835	bool
1836	select CPU_SUPPORTS_32BIT_KERNEL
1837	select CPU_SUPPORTS_64BIT_KERNEL
1838	select CPU_SUPPORTS_HIGHMEM
1839	select CPU_SUPPORTS_HUGEPAGES
1840
1841config CPU_LOONGSON1
1842	bool
1843	select CPU_MIPS32
1844	select CPU_MIPSR2
1845	select CPU_HAS_PREFETCH
1846	select CPU_SUPPORTS_32BIT_KERNEL
1847	select CPU_SUPPORTS_HIGHMEM
1848	select CPU_SUPPORTS_CPUFREQ
1849
1850config CPU_BMIPS32_3300
1851	select SMP_UP if SMP
1852	bool
1853
1854config CPU_BMIPS4350
1855	bool
1856	select SYS_SUPPORTS_SMP
1857	select SYS_SUPPORTS_HOTPLUG_CPU
1858
1859config CPU_BMIPS4380
1860	bool
1861	select MIPS_L1_CACHE_SHIFT_6
1862	select SYS_SUPPORTS_SMP
1863	select SYS_SUPPORTS_HOTPLUG_CPU
1864	select CPU_HAS_RIXI
1865
1866config CPU_BMIPS5000
1867	bool
1868	select MIPS_CPU_SCACHE
1869	select MIPS_L1_CACHE_SHIFT_7
1870	select SYS_SUPPORTS_SMP
1871	select SYS_SUPPORTS_HOTPLUG_CPU
1872	select CPU_HAS_RIXI
1873
1874config SYS_HAS_CPU_LOONGSON3
1875	bool
1876	select CPU_SUPPORTS_CPUFREQ
1877	select CPU_HAS_RIXI
1878
1879config SYS_HAS_CPU_LOONGSON2E
1880	bool
1881
1882config SYS_HAS_CPU_LOONGSON2F
1883	bool
1884	select CPU_SUPPORTS_CPUFREQ
1885	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1886	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1887
1888config SYS_HAS_CPU_LOONGSON1B
1889	bool
1890
1891config SYS_HAS_CPU_LOONGSON1C
1892	bool
1893
1894config SYS_HAS_CPU_MIPS32_R1
1895	bool
1896
1897config SYS_HAS_CPU_MIPS32_R2
1898	bool
1899
1900config SYS_HAS_CPU_MIPS32_R3_5
1901	bool
1902
1903config SYS_HAS_CPU_MIPS32_R5
1904	bool
1905
1906config SYS_HAS_CPU_MIPS32_R6
1907	bool
1908
1909config SYS_HAS_CPU_MIPS64_R1
1910	bool
1911
1912config SYS_HAS_CPU_MIPS64_R2
1913	bool
1914
1915config SYS_HAS_CPU_MIPS64_R6
1916	bool
1917
1918config SYS_HAS_CPU_R3000
1919	bool
1920
1921config SYS_HAS_CPU_TX39XX
1922	bool
1923
1924config SYS_HAS_CPU_VR41XX
1925	bool
1926
1927config SYS_HAS_CPU_R4300
1928	bool
1929
1930config SYS_HAS_CPU_R4X00
1931	bool
1932
1933config SYS_HAS_CPU_TX49XX
1934	bool
1935
1936config SYS_HAS_CPU_R5000
1937	bool
1938
1939config SYS_HAS_CPU_R5432
1940	bool
1941
1942config SYS_HAS_CPU_R5500
1943	bool
1944
1945config SYS_HAS_CPU_NEVADA
1946	bool
1947
1948config SYS_HAS_CPU_R8000
1949	bool
1950
1951config SYS_HAS_CPU_R10000
1952	bool
1953
1954config SYS_HAS_CPU_RM7000
1955	bool
1956
1957config SYS_HAS_CPU_SB1
1958	bool
1959
1960config SYS_HAS_CPU_CAVIUM_OCTEON
1961	bool
1962
1963config SYS_HAS_CPU_BMIPS
1964	bool
1965
1966config SYS_HAS_CPU_BMIPS32_3300
1967	bool
1968	select SYS_HAS_CPU_BMIPS
1969
1970config SYS_HAS_CPU_BMIPS4350
1971	bool
1972	select SYS_HAS_CPU_BMIPS
1973
1974config SYS_HAS_CPU_BMIPS4380
1975	bool
1976	select SYS_HAS_CPU_BMIPS
1977
1978config SYS_HAS_CPU_BMIPS5000
1979	bool
1980	select SYS_HAS_CPU_BMIPS
1981
1982config SYS_HAS_CPU_XLR
1983	bool
1984
1985config SYS_HAS_CPU_XLP
1986	bool
1987
1988config MIPS_MALTA_PM
1989	depends on MIPS_MALTA
1990	depends on PCI
1991	bool
1992	default y
1993
1994#
1995# CPU may reorder R->R, R->W, W->R, W->W
1996# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1997#
1998config WEAK_ORDERING
1999	bool
2000
2001#
2002# CPU may reorder reads and writes beyond LL/SC
2003# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2004#
2005config WEAK_REORDERING_BEYOND_LLSC
2006	bool
2007endmenu
2008
2009#
2010# These two indicate any level of the MIPS32 and MIPS64 architecture
2011#
2012config CPU_MIPS32
2013	bool
2014	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2015
2016config CPU_MIPS64
2017	bool
2018	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2019
2020#
2021# These two indicate the revision of the architecture, either Release 1 or Release 2
2022#
2023config CPU_MIPSR1
2024	bool
2025	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2026
2027config CPU_MIPSR2
2028	bool
2029	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2030	select CPU_HAS_RIXI
2031	select MIPS_SPRAM
2032
2033config CPU_MIPSR6
2034	bool
2035	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2036	select CPU_HAS_RIXI
2037	select HAVE_ARCH_BITREVERSE
2038	select MIPS_ASID_BITS_VARIABLE
2039	select MIPS_SPRAM
2040
2041config EVA
2042	bool
2043
2044config XPA
2045	bool
2046
2047config SYS_SUPPORTS_32BIT_KERNEL
2048	bool
2049config SYS_SUPPORTS_64BIT_KERNEL
2050	bool
2051config CPU_SUPPORTS_32BIT_KERNEL
2052	bool
2053config CPU_SUPPORTS_64BIT_KERNEL
2054	bool
2055config CPU_SUPPORTS_CPUFREQ
2056	bool
2057config CPU_SUPPORTS_ADDRWINCFG
2058	bool
2059config CPU_SUPPORTS_HUGEPAGES
2060	bool
2061config CPU_SUPPORTS_UNCACHED_ACCELERATED
2062	bool
2063config MIPS_PGD_C0_CONTEXT
2064	bool
2065	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2066
2067#
2068# Set to y for ptrace access to watch registers.
2069#
2070config HARDWARE_WATCHPOINTS
2071       bool
2072       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2073
2074menu "Kernel type"
2075
2076choice
2077	prompt "Kernel code model"
2078	help
2079	  You should only select this option if you have a workload that
2080	  actually benefits from 64-bit processing or if your machine has
2081	  large memory.  You will only be presented a single option in this
2082	  menu if your system does not support both 32-bit and 64-bit kernels.
2083
2084config 32BIT
2085	bool "32-bit kernel"
2086	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2087	select TRAD_SIGNALS
2088	help
2089	  Select this option if you want to build a 32-bit kernel.
2090
2091config 64BIT
2092	bool "64-bit kernel"
2093	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2094	help
2095	  Select this option if you want to build a 64-bit kernel.
2096
2097endchoice
2098
2099config KVM_GUEST
2100	bool "KVM Guest Kernel"
2101	depends on BROKEN_ON_SMP
2102	help
2103	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2104	  mode.
2105
2106config KVM_GUEST_TIMER_FREQ
2107	int "Count/Compare Timer Frequency (MHz)"
2108	depends on KVM_GUEST
2109	default 100
2110	help
2111	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2112	  emulation when determining guest CPU Frequency. Instead, the guest's
2113	  timer frequency is specified directly.
2114
2115config MIPS_VA_BITS_48
2116	bool "48 bits virtual memory"
2117	depends on 64BIT
2118	help
2119	  Support a maximum at least 48 bits of application virtual
2120	  memory.  Default is 40 bits or less, depending on the CPU.
2121	  For page sizes 16k and above, this option results in a small
2122	  memory overhead for page tables.  For 4k page size, a fourth
2123	  level of page tables is added which imposes both a memory
2124	  overhead as well as slower TLB fault handling.
2125
2126	  If unsure, say N.
2127
2128choice
2129	prompt "Kernel page size"
2130	default PAGE_SIZE_4KB
2131
2132config PAGE_SIZE_4KB
2133	bool "4kB"
2134	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2135	help
2136	 This option select the standard 4kB Linux page size.  On some
2137	 R3000-family processors this is the only available page size.  Using
2138	 4kB page size will minimize memory consumption and is therefore
2139	 recommended for low memory systems.
2140
2141config PAGE_SIZE_8KB
2142	bool "8kB"
2143	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2144	depends on !MIPS_VA_BITS_48
2145	help
2146	  Using 8kB page size will result in higher performance kernel at
2147	  the price of higher memory consumption.  This option is available
2148	  only on R8000 and cnMIPS processors.  Note that you will need a
2149	  suitable Linux distribution to support this.
2150
2151config PAGE_SIZE_16KB
2152	bool "16kB"
2153	depends on !CPU_R3000 && !CPU_TX39XX
2154	help
2155	  Using 16kB page size will result in higher performance kernel at
2156	  the price of higher memory consumption.  This option is available on
2157	  all non-R3000 family processors.  Note that you will need a suitable
2158	  Linux distribution to support this.
2159
2160config PAGE_SIZE_32KB
2161	bool "32kB"
2162	depends on CPU_CAVIUM_OCTEON
2163	depends on !MIPS_VA_BITS_48
2164	help
2165	  Using 32kB page size will result in higher performance kernel at
2166	  the price of higher memory consumption.  This option is available
2167	  only on cnMIPS cores.  Note that you will need a suitable Linux
2168	  distribution to support this.
2169
2170config PAGE_SIZE_64KB
2171	bool "64kB"
2172	depends on !CPU_R3000 && !CPU_TX39XX
2173	help
2174	  Using 64kB page size will result in higher performance kernel at
2175	  the price of higher memory consumption.  This option is available on
2176	  all non-R3000 family processor.  Not that at the time of this
2177	  writing this option is still high experimental.
2178
2179endchoice
2180
2181config FORCE_MAX_ZONEORDER
2182	int "Maximum zone order"
2183	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2184	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2185	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2186	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2187	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2188	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2189	range 11 64
2190	default "11"
2191	help
2192	  The kernel memory allocator divides physically contiguous memory
2193	  blocks into "zones", where each zone is a power of two number of
2194	  pages.  This option selects the largest power of two that the kernel
2195	  keeps in the memory allocator.  If you need to allocate very large
2196	  blocks of physically contiguous memory, then you may need to
2197	  increase this value.
2198
2199	  This config option is actually maximum order plus one. For example,
2200	  a value of 11 means that the largest free memory block is 2^10 pages.
2201
2202	  The page size is not necessarily 4KB.  Keep this in mind
2203	  when choosing a value for this option.
2204
2205config BOARD_SCACHE
2206	bool
2207
2208config IP22_CPU_SCACHE
2209	bool
2210	select BOARD_SCACHE
2211
2212#
2213# Support for a MIPS32 / MIPS64 style S-caches
2214#
2215config MIPS_CPU_SCACHE
2216	bool
2217	select BOARD_SCACHE
2218
2219config R5000_CPU_SCACHE
2220	bool
2221	select BOARD_SCACHE
2222
2223config RM7000_CPU_SCACHE
2224	bool
2225	select BOARD_SCACHE
2226
2227config SIBYTE_DMA_PAGEOPS
2228	bool "Use DMA to clear/copy pages"
2229	depends on CPU_SB1
2230	help
2231	  Instead of using the CPU to zero and copy pages, use a Data Mover
2232	  channel.  These DMA channels are otherwise unused by the standard
2233	  SiByte Linux port.  Seems to give a small performance benefit.
2234
2235config CPU_HAS_PREFETCH
2236	bool
2237
2238config CPU_GENERIC_DUMP_TLB
2239	bool
2240	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2241
2242config CPU_R4K_FPU
2243	bool
2244	default y if !(CPU_R3000 || CPU_TX39XX)
2245
2246config CPU_R4K_CACHE_TLB
2247	bool
2248	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2249
2250config MIPS_MT_SMP
2251	bool "MIPS MT SMP support (1 TC on each available VPE)"
2252	default y
2253	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2254	select CPU_MIPSR2_IRQ_VI
2255	select CPU_MIPSR2_IRQ_EI
2256	select SYNC_R4K
2257	select MIPS_MT
2258	select SMP
2259	select SMP_UP
2260	select SYS_SUPPORTS_SMP
2261	select SYS_SUPPORTS_SCHED_SMT
2262	select MIPS_PERF_SHARED_TC_COUNTERS
2263	help
2264	  This is a kernel model which is known as SMVP. This is supported
2265	  on cores with the MT ASE and uses the available VPEs to implement
2266	  virtual processors which supports SMP. This is equivalent to the
2267	  Intel Hyperthreading feature. For further information go to
2268	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2269
2270config MIPS_MT
2271	bool
2272
2273config SCHED_SMT
2274	bool "SMT (multithreading) scheduler support"
2275	depends on SYS_SUPPORTS_SCHED_SMT
2276	default n
2277	help
2278	  SMT scheduler support improves the CPU scheduler's decision making
2279	  when dealing with MIPS MT enabled cores at a cost of slightly
2280	  increased overhead in some places. If unsure say N here.
2281
2282config SYS_SUPPORTS_SCHED_SMT
2283	bool
2284
2285config SYS_SUPPORTS_MULTITHREADING
2286	bool
2287
2288config MIPS_MT_FPAFF
2289	bool "Dynamic FPU affinity for FP-intensive threads"
2290	default y
2291	depends on MIPS_MT_SMP
2292
2293config MIPSR2_TO_R6_EMULATOR
2294	bool "MIPS R2-to-R6 emulator"
2295	depends on CPU_MIPSR6
2296	default y
2297	help
2298	  Choose this option if you want to run non-R6 MIPS userland code.
2299	  Even if you say 'Y' here, the emulator will still be disabled by
2300	  default. You can enable it using the 'mipsr2emu' kernel option.
2301	  The only reason this is a build-time option is to save ~14K from the
2302	  final kernel image.
2303
2304config MIPS_VPE_LOADER
2305	bool "VPE loader support."
2306	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2307	select CPU_MIPSR2_IRQ_VI
2308	select CPU_MIPSR2_IRQ_EI
2309	select MIPS_MT
2310	help
2311	  Includes a loader for loading an elf relocatable object
2312	  onto another VPE and running it.
2313
2314config MIPS_VPE_LOADER_CMP
2315	bool
2316	default "y"
2317	depends on MIPS_VPE_LOADER && MIPS_CMP
2318
2319config MIPS_VPE_LOADER_MT
2320	bool
2321	default "y"
2322	depends on MIPS_VPE_LOADER && !MIPS_CMP
2323
2324config MIPS_VPE_LOADER_TOM
2325	bool "Load VPE program into memory hidden from linux"
2326	depends on MIPS_VPE_LOADER
2327	default y
2328	help
2329	  The loader can use memory that is present but has been hidden from
2330	  Linux using the kernel command line option "mem=xxMB". It's up to
2331	  you to ensure the amount you put in the option and the space your
2332	  program requires is less or equal to the amount physically present.
2333
2334config MIPS_VPE_APSP_API
2335	bool "Enable support for AP/SP API (RTLX)"
2336	depends on MIPS_VPE_LOADER
2337	help
2338
2339config MIPS_VPE_APSP_API_CMP
2340	bool
2341	default "y"
2342	depends on MIPS_VPE_APSP_API && MIPS_CMP
2343
2344config MIPS_VPE_APSP_API_MT
2345	bool
2346	default "y"
2347	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2348
2349config MIPS_CMP
2350	bool "MIPS CMP framework support (DEPRECATED)"
2351	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2352	select SMP
2353	select SYNC_R4K
2354	select SYS_SUPPORTS_SMP
2355	select WEAK_ORDERING
2356	default n
2357	help
2358	  Select this if you are using a bootloader which implements the "CMP
2359	  framework" protocol (ie. YAMON) and want your kernel to make use of
2360	  its ability to start secondary CPUs.
2361
2362	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2363	  instead of this.
2364
2365config MIPS_CPS
2366	bool "MIPS Coherent Processing System support"
2367	depends on SYS_SUPPORTS_MIPS_CPS
2368	select MIPS_CM
2369	select MIPS_CPS_PM if HOTPLUG_CPU
2370	select SMP
2371	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2372	select SYS_SUPPORTS_HOTPLUG_CPU
2373	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2374	select SYS_SUPPORTS_SMP
2375	select WEAK_ORDERING
2376	help
2377	  Select this if you wish to run an SMP kernel across multiple cores
2378	  within a MIPS Coherent Processing System. When this option is
2379	  enabled the kernel will probe for other cores and boot them with
2380	  no external assistance. It is safe to enable this when hardware
2381	  support is unavailable.
2382
2383config MIPS_CPS_PM
2384	depends on MIPS_CPS
2385	bool
2386
2387config MIPS_CM
2388	bool
2389	select MIPS_CPC
2390
2391config MIPS_CPC
2392	bool
2393
2394config SB1_PASS_2_WORKAROUNDS
2395	bool
2396	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2397	default y
2398
2399config SB1_PASS_2_1_WORKAROUNDS
2400	bool
2401	depends on CPU_SB1 && CPU_SB1_PASS_2
2402	default y
2403
2404
2405config ARCH_PHYS_ADDR_T_64BIT
2406       bool
2407
2408choice
2409	prompt "SmartMIPS or microMIPS ASE support"
2410
2411config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2412	bool "None"
2413	help
2414	  Select this if you want neither microMIPS nor SmartMIPS support
2415
2416config CPU_HAS_SMARTMIPS
2417	depends on SYS_SUPPORTS_SMARTMIPS
2418	bool "SmartMIPS"
2419	help
2420	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2421	  increased security at both hardware and software level for
2422	  smartcards.  Enabling this option will allow proper use of the
2423	  SmartMIPS instructions by Linux applications.  However a kernel with
2424	  this option will not work on a MIPS core without SmartMIPS core.  If
2425	  you don't know you probably don't have SmartMIPS and should say N
2426	  here.
2427
2428config CPU_MICROMIPS
2429	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2430	bool "microMIPS"
2431	help
2432	  When this option is enabled the kernel will be built using the
2433	  microMIPS ISA
2434
2435endchoice
2436
2437config CPU_HAS_MSA
2438	bool "Support for the MIPS SIMD Architecture"
2439	depends on CPU_SUPPORTS_MSA
2440	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2441	help
2442	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2443	  and a set of SIMD instructions to operate on them. When this option
2444	  is enabled the kernel will support allocating & switching MSA
2445	  vector register contexts. If you know that your kernel will only be
2446	  running on CPUs which do not support MSA or that your userland will
2447	  not be making use of it then you may wish to say N here to reduce
2448	  the size & complexity of your kernel.
2449
2450	  If unsure, say Y.
2451
2452config CPU_HAS_WB
2453	bool
2454
2455config XKS01
2456	bool
2457
2458config CPU_HAS_RIXI
2459	bool
2460
2461#
2462# Vectored interrupt mode is an R2 feature
2463#
2464config CPU_MIPSR2_IRQ_VI
2465	bool
2466
2467#
2468# Extended interrupt mode is an R2 feature
2469#
2470config CPU_MIPSR2_IRQ_EI
2471	bool
2472
2473config CPU_HAS_SYNC
2474	bool
2475	depends on !CPU_R3000
2476	default y
2477
2478#
2479# CPU non-features
2480#
2481config CPU_DADDI_WORKAROUNDS
2482	bool
2483
2484config CPU_R4000_WORKAROUNDS
2485	bool
2486	select CPU_R4400_WORKAROUNDS
2487
2488config CPU_R4400_WORKAROUNDS
2489	bool
2490
2491config MIPS_ASID_SHIFT
2492	int
2493	default 6 if CPU_R3000 || CPU_TX39XX
2494	default 4 if CPU_R8000
2495	default 0
2496
2497config MIPS_ASID_BITS
2498	int
2499	default 0 if MIPS_ASID_BITS_VARIABLE
2500	default 6 if CPU_R3000 || CPU_TX39XX
2501	default 8
2502
2503config MIPS_ASID_BITS_VARIABLE
2504	bool
2505
2506#
2507# - Highmem only makes sense for the 32-bit kernel.
2508# - The current highmem code will only work properly on physically indexed
2509#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2510#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2511#   moment we protect the user and offer the highmem option only on machines
2512#   where it's known to be safe.  This will not offer highmem on a few systems
2513#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2514#   indexed CPUs but we're playing safe.
2515# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2516#   know they might have memory configurations that could make use of highmem
2517#   support.
2518#
2519config HIGHMEM
2520	bool "High Memory Support"
2521	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2522
2523config CPU_SUPPORTS_HIGHMEM
2524	bool
2525
2526config SYS_SUPPORTS_HIGHMEM
2527	bool
2528
2529config SYS_SUPPORTS_SMARTMIPS
2530	bool
2531
2532config SYS_SUPPORTS_MICROMIPS
2533	bool
2534
2535config SYS_SUPPORTS_MIPS16
2536	bool
2537	help
2538	  This option must be set if a kernel might be executed on a MIPS16-
2539	  enabled CPU even if MIPS16 is not actually being used.  In other
2540	  words, it makes the kernel MIPS16-tolerant.
2541
2542config CPU_SUPPORTS_MSA
2543	bool
2544
2545config ARCH_FLATMEM_ENABLE
2546	def_bool y
2547	depends on !NUMA && !CPU_LOONGSON2
2548
2549config ARCH_DISCONTIGMEM_ENABLE
2550	bool
2551	default y if SGI_IP27
2552	help
2553	  Say Y to support efficient handling of discontiguous physical memory,
2554	  for architectures which are either NUMA (Non-Uniform Memory Access)
2555	  or have huge holes in the physical address space for other reasons.
2556	  See <file:Documentation/vm/numa> for more.
2557
2558config ARCH_SPARSEMEM_ENABLE
2559	bool
2560	select SPARSEMEM_STATIC
2561
2562config NUMA
2563	bool "NUMA Support"
2564	depends on SYS_SUPPORTS_NUMA
2565	help
2566	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2567	  Access).  This option improves performance on systems with more
2568	  than two nodes; on two node systems it is generally better to
2569	  leave it disabled; on single node systems disable this option
2570	  disabled.
2571
2572config SYS_SUPPORTS_NUMA
2573	bool
2574
2575config RELOCATABLE
2576	bool "Relocatable kernel"
2577	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2578	help
2579	  This builds a kernel image that retains relocation information
2580	  so it can be loaded someplace besides the default 1MB.
2581	  The relocations make the kernel binary about 15% larger,
2582	  but are discarded at runtime
2583
2584config RELOCATION_TABLE_SIZE
2585	hex "Relocation table size"
2586	depends on RELOCATABLE
2587	range 0x0 0x01000000
2588	default "0x00100000"
2589	---help---
2590	  A table of relocation data will be appended to the kernel binary
2591	  and parsed at boot to fix up the relocated kernel.
2592
2593	  This option allows the amount of space reserved for the table to be
2594	  adjusted, although the default of 1Mb should be ok in most cases.
2595
2596	  The build will fail and a valid size suggested if this is too small.
2597
2598	  If unsure, leave at the default value.
2599
2600config RANDOMIZE_BASE
2601	bool "Randomize the address of the kernel image"
2602	depends on RELOCATABLE
2603	---help---
2604	   Randomizes the physical and virtual address at which the
2605	   kernel image is loaded, as a security feature that
2606	   deters exploit attempts relying on knowledge of the location
2607	   of kernel internals.
2608
2609	   Entropy is generated using any coprocessor 0 registers available.
2610
2611	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2612
2613	   If unsure, say N.
2614
2615config RANDOMIZE_BASE_MAX_OFFSET
2616	hex "Maximum kASLR offset" if EXPERT
2617	depends on RANDOMIZE_BASE
2618	range 0x0 0x40000000 if EVA || 64BIT
2619	range 0x0 0x08000000
2620	default "0x01000000"
2621	---help---
2622	  When kASLR is active, this provides the maximum offset that will
2623	  be applied to the kernel image. It should be set according to the
2624	  amount of physical RAM available in the target system minus
2625	  PHYSICAL_START and must be a power of 2.
2626
2627	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2628	  EVA or 64-bit. The default is 16Mb.
2629
2630config NODES_SHIFT
2631	int
2632	default "6"
2633	depends on NEED_MULTIPLE_NODES
2634
2635config HW_PERF_EVENTS
2636	bool "Enable hardware performance counter support for perf events"
2637	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2638	default y
2639	help
2640	  Enable hardware performance counter support for perf events. If
2641	  disabled, perf events will use software events only.
2642
2643source "mm/Kconfig"
2644
2645config SMP
2646	bool "Multi-Processing support"
2647	depends on SYS_SUPPORTS_SMP
2648	help
2649	  This enables support for systems with more than one CPU. If you have
2650	  a system with only one CPU, say N. If you have a system with more
2651	  than one CPU, say Y.
2652
2653	  If you say N here, the kernel will run on uni- and multiprocessor
2654	  machines, but will use only one CPU of a multiprocessor machine. If
2655	  you say Y here, the kernel will run on many, but not all,
2656	  uniprocessor machines. On a uniprocessor machine, the kernel
2657	  will run faster if you say N here.
2658
2659	  People using multiprocessor machines who say Y here should also say
2660	  Y to "Enhanced Real Time Clock Support", below.
2661
2662	  See also the SMP-HOWTO available at
2663	  <http://www.tldp.org/docs.html#howto>.
2664
2665	  If you don't know what to do here, say N.
2666
2667config HOTPLUG_CPU
2668	bool "Support for hot-pluggable CPUs"
2669	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2670	help
2671	  Say Y here to allow turning CPUs off and on. CPUs can be
2672	  controlled through /sys/devices/system/cpu.
2673	  (Note: power management support will enable this option
2674	    automatically on SMP systems. )
2675	  Say N if you want to disable CPU hotplug.
2676
2677config SMP_UP
2678	bool
2679
2680config SYS_SUPPORTS_MIPS_CMP
2681	bool
2682
2683config SYS_SUPPORTS_MIPS_CPS
2684	bool
2685
2686config SYS_SUPPORTS_SMP
2687	bool
2688
2689config NR_CPUS_DEFAULT_4
2690	bool
2691
2692config NR_CPUS_DEFAULT_8
2693	bool
2694
2695config NR_CPUS_DEFAULT_16
2696	bool
2697
2698config NR_CPUS_DEFAULT_32
2699	bool
2700
2701config NR_CPUS_DEFAULT_64
2702	bool
2703
2704config NR_CPUS
2705	int "Maximum number of CPUs (2-256)"
2706	range 2 256
2707	depends on SMP
2708	default "4" if NR_CPUS_DEFAULT_4
2709	default "8" if NR_CPUS_DEFAULT_8
2710	default "16" if NR_CPUS_DEFAULT_16
2711	default "32" if NR_CPUS_DEFAULT_32
2712	default "64" if NR_CPUS_DEFAULT_64
2713	help
2714	  This allows you to specify the maximum number of CPUs which this
2715	  kernel will support.  The maximum supported value is 32 for 32-bit
2716	  kernel and 64 for 64-bit kernels; the minimum value which makes
2717	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2718	  and 2 for all others.
2719
2720	  This is purely to save memory - each supported CPU adds
2721	  approximately eight kilobytes to the kernel image.  For best
2722	  performance should round up your number of processors to the next
2723	  power of two.
2724
2725config MIPS_PERF_SHARED_TC_COUNTERS
2726	bool
2727
2728#
2729# Timer Interrupt Frequency Configuration
2730#
2731
2732choice
2733	prompt "Timer frequency"
2734	default HZ_250
2735	help
2736	 Allows the configuration of the timer frequency.
2737
2738	config HZ_24
2739		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2740
2741	config HZ_48
2742		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2743
2744	config HZ_100
2745		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2746
2747	config HZ_128
2748		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2749
2750	config HZ_250
2751		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2752
2753	config HZ_256
2754		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2755
2756	config HZ_1000
2757		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2758
2759	config HZ_1024
2760		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2761
2762endchoice
2763
2764config SYS_SUPPORTS_24HZ
2765	bool
2766
2767config SYS_SUPPORTS_48HZ
2768	bool
2769
2770config SYS_SUPPORTS_100HZ
2771	bool
2772
2773config SYS_SUPPORTS_128HZ
2774	bool
2775
2776config SYS_SUPPORTS_250HZ
2777	bool
2778
2779config SYS_SUPPORTS_256HZ
2780	bool
2781
2782config SYS_SUPPORTS_1000HZ
2783	bool
2784
2785config SYS_SUPPORTS_1024HZ
2786	bool
2787
2788config SYS_SUPPORTS_ARBIT_HZ
2789	bool
2790	default y if !SYS_SUPPORTS_24HZ && \
2791		     !SYS_SUPPORTS_48HZ && \
2792		     !SYS_SUPPORTS_100HZ && \
2793		     !SYS_SUPPORTS_128HZ && \
2794		     !SYS_SUPPORTS_250HZ && \
2795		     !SYS_SUPPORTS_256HZ && \
2796		     !SYS_SUPPORTS_1000HZ && \
2797		     !SYS_SUPPORTS_1024HZ
2798
2799config HZ
2800	int
2801	default 24 if HZ_24
2802	default 48 if HZ_48
2803	default 100 if HZ_100
2804	default 128 if HZ_128
2805	default 250 if HZ_250
2806	default 256 if HZ_256
2807	default 1000 if HZ_1000
2808	default 1024 if HZ_1024
2809
2810config SCHED_HRTICK
2811	def_bool HIGH_RES_TIMERS
2812
2813source "kernel/Kconfig.preempt"
2814
2815config KEXEC
2816	bool "Kexec system call"
2817	select KEXEC_CORE
2818	help
2819	  kexec is a system call that implements the ability to shutdown your
2820	  current kernel, and to start another kernel.  It is like a reboot
2821	  but it is independent of the system firmware.   And like a reboot
2822	  you can start any kernel with it, not just Linux.
2823
2824	  The name comes from the similarity to the exec system call.
2825
2826	  It is an ongoing process to be certain the hardware in a machine
2827	  is properly shutdown, so do not be surprised if this code does not
2828	  initially work for you.  As of this writing the exact hardware
2829	  interface is strongly in flux, so no good recommendation can be
2830	  made.
2831
2832config CRASH_DUMP
2833	bool "Kernel crash dumps"
2834	help
2835	  Generate crash dump after being started by kexec.
2836	  This should be normally only set in special crash dump kernels
2837	  which are loaded in the main kernel with kexec-tools into
2838	  a specially reserved region and then later executed after
2839	  a crash by kdump/kexec. The crash dump kernel must be compiled
2840	  to a memory address not used by the main kernel or firmware using
2841	  PHYSICAL_START.
2842
2843config PHYSICAL_START
2844	hex "Physical address where the kernel is loaded"
2845	default "0xffffffff84000000" if 64BIT
2846	default "0x84000000" if 32BIT
2847	depends on CRASH_DUMP
2848	help
2849	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2850	  If you plan to use kernel for capturing the crash dump change
2851	  this value to start of the reserved region (the "X" value as
2852	  specified in the "crashkernel=YM@XM" command line boot parameter
2853	  passed to the panic-ed kernel).
2854
2855config SECCOMP
2856	bool "Enable seccomp to safely compute untrusted bytecode"
2857	depends on PROC_FS
2858	default y
2859	help
2860	  This kernel feature is useful for number crunching applications
2861	  that may need to compute untrusted bytecode during their
2862	  execution. By using pipes or other transports made available to
2863	  the process as file descriptors supporting the read/write
2864	  syscalls, it's possible to isolate those applications in
2865	  their own address space using seccomp. Once seccomp is
2866	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2867	  and the task is only allowed to execute a few safe syscalls
2868	  defined by each seccomp mode.
2869
2870	  If unsure, say Y. Only embedded should say N here.
2871
2872config MIPS_O32_FP64_SUPPORT
2873	bool "Support for O32 binaries using 64-bit FP"
2874	depends on 32BIT || MIPS32_O32
2875	help
2876	  When this is enabled, the kernel will support use of 64-bit floating
2877	  point registers with binaries using the O32 ABI along with the
2878	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2879	  32-bit MIPS systems this support is at the cost of increasing the
2880	  size and complexity of the compiled FPU emulator. Thus if you are
2881	  running a MIPS32 system and know that none of your userland binaries
2882	  will require 64-bit floating point, you may wish to reduce the size
2883	  of your kernel & potentially improve FP emulation performance by
2884	  saying N here.
2885
2886	  Although binutils currently supports use of this flag the details
2887	  concerning its effect upon the O32 ABI in userland are still being
2888	  worked on. In order to avoid userland becoming dependant upon current
2889	  behaviour before the details have been finalised, this option should
2890	  be considered experimental and only enabled by those working upon
2891	  said details.
2892
2893	  If unsure, say N.
2894
2895config USE_OF
2896	bool
2897	select OF
2898	select OF_EARLY_FLATTREE
2899	select IRQ_DOMAIN
2900
2901config BUILTIN_DTB
2902	bool
2903
2904choice
2905	prompt "Kernel appended dtb support" if USE_OF
2906	default MIPS_NO_APPENDED_DTB
2907
2908	config MIPS_NO_APPENDED_DTB
2909		bool "None"
2910		help
2911		  Do not enable appended dtb support.
2912
2913	config MIPS_ELF_APPENDED_DTB
2914		bool "vmlinux"
2915		help
2916		  With this option, the boot code will look for a device tree binary
2917		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2918		  it is empty and the DTB can be appended using binutils command
2919		  objcopy:
2920
2921		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2922
2923		  This is meant as a backward compatiblity convenience for those
2924		  systems with a bootloader that can't be upgraded to accommodate
2925		  the documented boot protocol using a device tree.
2926
2927	config MIPS_RAW_APPENDED_DTB
2928		bool "vmlinux.bin or vmlinuz.bin"
2929		help
2930		  With this option, the boot code will look for a device tree binary
2931		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2932		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2933
2934		  This is meant as a backward compatibility convenience for those
2935		  systems with a bootloader that can't be upgraded to accommodate
2936		  the documented boot protocol using a device tree.
2937
2938		  Beware that there is very little in terms of protection against
2939		  this option being confused by leftover garbage in memory that might
2940		  look like a DTB header after a reboot if no actual DTB is appended
2941		  to vmlinux.bin.  Do not leave this option active in a production kernel
2942		  if you don't intend to always append a DTB.
2943endchoice
2944
2945choice
2946	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2947	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2948					 !MIPS_MALTA && \
2949					 !CAVIUM_OCTEON_SOC
2950	default MIPS_CMDLINE_FROM_BOOTLOADER
2951
2952	config MIPS_CMDLINE_FROM_DTB
2953		depends on USE_OF
2954		bool "Dtb kernel arguments if available"
2955
2956	config MIPS_CMDLINE_DTB_EXTEND
2957		depends on USE_OF
2958		bool "Extend dtb kernel arguments with bootloader arguments"
2959
2960	config MIPS_CMDLINE_FROM_BOOTLOADER
2961		bool "Bootloader kernel arguments if available"
2962
2963	config MIPS_CMDLINE_BUILTIN_EXTEND
2964		depends on CMDLINE_BOOL
2965		bool "Extend builtin kernel arguments with bootloader arguments"
2966endchoice
2967
2968endmenu
2969
2970config LOCKDEP_SUPPORT
2971	bool
2972	default y
2973
2974config STACKTRACE_SUPPORT
2975	bool
2976	default y
2977
2978config HAVE_LATENCYTOP_SUPPORT
2979	bool
2980	default y
2981
2982config PGTABLE_LEVELS
2983	int
2984	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
2985	default 3 if 64BIT && !PAGE_SIZE_64KB
2986	default 2
2987
2988source "init/Kconfig"
2989
2990source "kernel/Kconfig.freezer"
2991
2992menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2993
2994config HW_HAS_EISA
2995	bool
2996config HW_HAS_PCI
2997	bool
2998
2999config PCI
3000	bool "Support for PCI controller"
3001	depends on HW_HAS_PCI
3002	select PCI_DOMAINS
3003	help
3004	  Find out whether you have a PCI motherboard. PCI is the name of a
3005	  bus system, i.e. the way the CPU talks to the other stuff inside
3006	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3007	  say Y, otherwise N.
3008
3009config HT_PCI
3010	bool "Support for HT-linked PCI"
3011	default y
3012	depends on CPU_LOONGSON3
3013	select PCI
3014	select PCI_DOMAINS
3015	help
3016	  Loongson family machines use Hyper-Transport bus for inter-core
3017	  connection and device connection. The PCI bus is a subordinate
3018	  linked at HT. Choose Y for Loongson-3 based machines.
3019
3020config PCI_DOMAINS
3021	bool
3022
3023config PCI_DOMAINS_GENERIC
3024	bool
3025
3026config PCI_DRIVERS_GENERIC
3027	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3028	bool
3029
3030config PCI_DRIVERS_LEGACY
3031	def_bool !PCI_DRIVERS_GENERIC
3032	select NO_GENERIC_PCI_IOPORT_MAP
3033
3034source "drivers/pci/Kconfig"
3035
3036#
3037# ISA support is now enabled via select.  Too many systems still have the one
3038# or other ISA chip on the board that users don't know about so don't expect
3039# users to choose the right thing ...
3040#
3041config ISA
3042	bool
3043
3044config EISA
3045	bool "EISA support"
3046	depends on HW_HAS_EISA
3047	select ISA
3048	select GENERIC_ISA_DMA
3049	---help---
3050	  The Extended Industry Standard Architecture (EISA) bus was
3051	  developed as an open alternative to the IBM MicroChannel bus.
3052
3053	  The EISA bus provided some of the features of the IBM MicroChannel
3054	  bus while maintaining backward compatibility with cards made for
3055	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3056	  1995 when it was made obsolete by the PCI bus.
3057
3058	  Say Y here if you are building a kernel for an EISA-based machine.
3059
3060	  Otherwise, say N.
3061
3062source "drivers/eisa/Kconfig"
3063
3064config TC
3065	bool "TURBOchannel support"
3066	depends on MACH_DECSTATION
3067	help
3068	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3069	  processors.  TURBOchannel programming specifications are available
3070	  at:
3071	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3072	  and:
3073	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3074	  Linux driver support status is documented at:
3075	  <http://www.linux-mips.org/wiki/DECstation>
3076
3077config MMU
3078	bool
3079	default y
3080
3081config ARCH_MMAP_RND_BITS_MIN
3082	default 12 if 64BIT
3083	default 8
3084
3085config ARCH_MMAP_RND_BITS_MAX
3086	default 18 if 64BIT
3087	default 15
3088
3089config ARCH_MMAP_RND_COMPAT_BITS_MIN
3090       default 8
3091
3092config ARCH_MMAP_RND_COMPAT_BITS_MAX
3093       default 15
3094
3095config I8253
3096	bool
3097	select CLKSRC_I8253
3098	select CLKEVT_I8253
3099	select MIPS_EXTERNAL_TIMER
3100
3101config ZONE_DMA
3102	bool
3103
3104config ZONE_DMA32
3105	bool
3106
3107source "drivers/pcmcia/Kconfig"
3108
3109config RAPIDIO
3110	tristate "RapidIO support"
3111	depends on PCI
3112	default n
3113	help
3114	  If you say Y here, the kernel will include drivers and
3115	  infrastructure code to support RapidIO interconnect devices.
3116
3117source "drivers/rapidio/Kconfig"
3118
3119endmenu
3120
3121menu "Executable file formats"
3122
3123source "fs/Kconfig.binfmt"
3124
3125config TRAD_SIGNALS
3126	bool
3127
3128config MIPS32_COMPAT
3129	bool
3130
3131config COMPAT
3132	bool
3133
3134config SYSVIPC_COMPAT
3135	bool
3136
3137config MIPS32_O32
3138	bool "Kernel support for o32 binaries"
3139	depends on 64BIT
3140	select ARCH_WANT_OLD_COMPAT_IPC
3141	select COMPAT
3142	select MIPS32_COMPAT
3143	select SYSVIPC_COMPAT if SYSVIPC
3144	help
3145	  Select this option if you want to run o32 binaries.  These are pure
3146	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3147	  existing binaries are in this format.
3148
3149	  If unsure, say Y.
3150
3151config MIPS32_N32
3152	bool "Kernel support for n32 binaries"
3153	depends on 64BIT
3154	select COMPAT
3155	select MIPS32_COMPAT
3156	select SYSVIPC_COMPAT if SYSVIPC
3157	help
3158	  Select this option if you want to run n32 binaries.  These are
3159	  64-bit binaries using 32-bit quantities for addressing and certain
3160	  data that would normally be 64-bit.  They are used in special
3161	  cases.
3162
3163	  If unsure, say N.
3164
3165config BINFMT_ELF32
3166	bool
3167	default y if MIPS32_O32 || MIPS32_N32
3168	select ELFCORE
3169
3170endmenu
3171
3172menu "Power management options"
3173
3174config ARCH_HIBERNATION_POSSIBLE
3175	def_bool y
3176	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3177
3178config ARCH_SUSPEND_POSSIBLE
3179	def_bool y
3180	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3181
3182source "kernel/power/Kconfig"
3183
3184endmenu
3185
3186config MIPS_EXTERNAL_TIMER
3187	bool
3188
3189menu "CPU Power Management"
3190
3191if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3192source "drivers/cpufreq/Kconfig"
3193endif
3194
3195source "drivers/cpuidle/Kconfig"
3196
3197endmenu
3198
3199source "net/Kconfig"
3200
3201source "drivers/Kconfig"
3202
3203source "drivers/firmware/Kconfig"
3204
3205source "fs/Kconfig"
3206
3207source "arch/mips/Kconfig.debug"
3208
3209source "security/Kconfig"
3210
3211source "crypto/Kconfig"
3212
3213source "lib/Kconfig"
3214
3215source "arch/mips/kvm/Kconfig"
3216