xref: /openbmc/linux/arch/mips/Kconfig (revision b24413180f5600bcb3bb70fbed5cf186b60864bd)
1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_BINFMT_ELF_STATE
6	select ARCH_CLOCKSOURCE_DATA
7	select ARCH_DISCARD_MEMBLOCK
8	select ARCH_HAS_ELF_RANDOMIZE
9	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
10	select ARCH_MIGHT_HAVE_PC_PARPORT
11	select ARCH_MIGHT_HAVE_PC_SERIO
12	select ARCH_SUPPORTS_UPROBES
13	select ARCH_USE_BUILTIN_BSWAP
14	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
15	select ARCH_USE_QUEUED_RWLOCKS
16	select ARCH_USE_QUEUED_SPINLOCKS
17	select ARCH_WANT_IPC_PARSE_VERSION
18	select BUILDTIME_EXTABLE_SORT
19	select CLONE_BACKWARDS
20	select CPU_PM if CPU_IDLE
21	select GENERIC_ATOMIC64 if !64BIT
22	select GENERIC_CLOCKEVENTS
23	select GENERIC_CMOS_UPDATE
24	select GENERIC_CPU_AUTOPROBE
25	select GENERIC_IRQ_PROBE
26	select GENERIC_IRQ_SHOW
27	select GENERIC_PCI_IOMAP
28	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
29	select GENERIC_SMP_IDLE_THREAD
30	select GENERIC_TIME_VSYSCALL
31	select HANDLE_DOMAIN_IRQ
32	select HAVE_ARCH_JUMP_LABEL
33	select HAVE_ARCH_KGDB
34	select HAVE_ARCH_MMAP_RND_BITS if MMU
35	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
36	select HAVE_ARCH_SECCOMP_FILTER
37	select HAVE_ARCH_TRACEHOOK
38	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
39	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
40	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
41	select HAVE_CC_STACKPROTECTOR
42	select HAVE_CONTEXT_TRACKING
43	select HAVE_COPY_THREAD_TLS
44	select HAVE_C_RECORDMCOUNT
45	select HAVE_DEBUG_KMEMLEAK
46	select HAVE_DEBUG_STACKOVERFLOW
47	select HAVE_DMA_API_DEBUG
48	select HAVE_DMA_CONTIGUOUS
49	select HAVE_DYNAMIC_FTRACE
50	select HAVE_EXIT_THREAD
51	select HAVE_FTRACE_MCOUNT_RECORD
52	select HAVE_FUNCTION_GRAPH_TRACER
53	select HAVE_FUNCTION_TRACER
54	select HAVE_GENERIC_DMA_COHERENT
55	select HAVE_IDE
56	select HAVE_IRQ_EXIT_ON_IRQ_STACK
57	select HAVE_IRQ_TIME_ACCOUNTING
58	select HAVE_KPROBES
59	select HAVE_KRETPROBES
60	select HAVE_MEMBLOCK
61	select HAVE_MEMBLOCK_NODE_MAP
62	select HAVE_MOD_ARCH_SPECIFIC
63	select HAVE_NMI
64	select HAVE_OPROFILE
65	select HAVE_PERF_EVENTS
66	select HAVE_REGS_AND_STACK_ACCESS_API
67	select HAVE_SYSCALL_TRACEPOINTS
68	select HAVE_VIRT_CPU_ACCOUNTING_GEN
69	select IRQ_FORCED_THREADING
70	select MODULES_USE_ELF_RELA if MODULES && 64BIT
71	select MODULES_USE_ELF_REL if MODULES
72	select PERF_USE_VMALLOC
73	select RTC_LIB if !MACH_LOONGSON64
74	select SYSCTL_EXCEPTION_TRACE
75	select VIRT_TO_BUS
76
77menu "Machine selection"
78
79choice
80	prompt "System type"
81	default SGI_IP22
82
83config MIPS_GENERIC
84	bool "Generic board-agnostic MIPS kernel"
85	select BOOT_RAW
86	select BUILTIN_DTB
87	select CEVT_R4K
88	select CLKSRC_MIPS_GIC
89	select COMMON_CLK
90	select CPU_MIPSR2_IRQ_VI
91	select CPU_MIPSR2_IRQ_EI
92	select CSRC_R4K
93	select DMA_PERDEV_COHERENT
94	select HW_HAS_PCI
95	select IRQ_MIPS_CPU
96	select LIBFDT
97	select MIPS_CPU_SCACHE
98	select MIPS_GIC
99	select MIPS_L1_CACHE_SHIFT_7
100	select NO_EXCEPT_FILL
101	select PCI_DRIVERS_GENERIC
102	select PINCTRL
103	select SMP_UP if SMP
104	select SWAP_IO_SPACE
105	select SYS_HAS_CPU_MIPS32_R1
106	select SYS_HAS_CPU_MIPS32_R2
107	select SYS_HAS_CPU_MIPS32_R6
108	select SYS_HAS_CPU_MIPS64_R1
109	select SYS_HAS_CPU_MIPS64_R2
110	select SYS_HAS_CPU_MIPS64_R6
111	select SYS_SUPPORTS_32BIT_KERNEL
112	select SYS_SUPPORTS_64BIT_KERNEL
113	select SYS_SUPPORTS_BIG_ENDIAN
114	select SYS_SUPPORTS_HIGHMEM
115	select SYS_SUPPORTS_LITTLE_ENDIAN
116	select SYS_SUPPORTS_MICROMIPS
117	select SYS_SUPPORTS_MIPS_CPS
118	select SYS_SUPPORTS_MIPS16
119	select SYS_SUPPORTS_MULTITHREADING
120	select SYS_SUPPORTS_RELOCATABLE
121	select SYS_SUPPORTS_SMARTMIPS
122	select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
123	select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
124	select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
125	select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
126	select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
127	select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
128	select USE_OF
129	help
130	  Select this to build a kernel which aims to support multiple boards,
131	  generally using a flattened device tree passed from the bootloader
132	  using the boot protocol defined in the UHI (Unified Hosting
133	  Interface) specification.
134
135config MIPS_ALCHEMY
136	bool "Alchemy processor based machines"
137	select ARCH_PHYS_ADDR_T_64BIT
138	select CEVT_R4K
139	select CSRC_R4K
140	select IRQ_MIPS_CPU
141	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
142	select SYS_HAS_CPU_MIPS32_R1
143	select SYS_SUPPORTS_32BIT_KERNEL
144	select SYS_SUPPORTS_APM_EMULATION
145	select GPIOLIB
146	select SYS_SUPPORTS_ZBOOT
147	select COMMON_CLK
148
149config AR7
150	bool "Texas Instruments AR7"
151	select BOOT_ELF32
152	select DMA_NONCOHERENT
153	select CEVT_R4K
154	select CSRC_R4K
155	select IRQ_MIPS_CPU
156	select NO_EXCEPT_FILL
157	select SWAP_IO_SPACE
158	select SYS_HAS_CPU_MIPS32_R1
159	select SYS_HAS_EARLY_PRINTK
160	select SYS_SUPPORTS_32BIT_KERNEL
161	select SYS_SUPPORTS_LITTLE_ENDIAN
162	select SYS_SUPPORTS_MIPS16
163	select SYS_SUPPORTS_ZBOOT_UART16550
164	select GPIOLIB
165	select VLYNQ
166	select HAVE_CLK
167	help
168	  Support for the Texas Instruments AR7 System-on-a-Chip
169	  family: TNETD7100, 7200 and 7300.
170
171config ATH25
172	bool "Atheros AR231x/AR531x SoC support"
173	select CEVT_R4K
174	select CSRC_R4K
175	select DMA_NONCOHERENT
176	select IRQ_MIPS_CPU
177	select IRQ_DOMAIN
178	select SYS_HAS_CPU_MIPS32_R1
179	select SYS_SUPPORTS_BIG_ENDIAN
180	select SYS_SUPPORTS_32BIT_KERNEL
181	select SYS_HAS_EARLY_PRINTK
182	help
183	  Support for Atheros AR231x and Atheros AR531x based boards
184
185config ATH79
186	bool "Atheros AR71XX/AR724X/AR913X based boards"
187	select ARCH_HAS_RESET_CONTROLLER
188	select BOOT_RAW
189	select CEVT_R4K
190	select CSRC_R4K
191	select DMA_NONCOHERENT
192	select GPIOLIB
193	select HAVE_CLK
194	select COMMON_CLK
195	select CLKDEV_LOOKUP
196	select IRQ_MIPS_CPU
197	select MIPS_MACHINE
198	select SYS_HAS_CPU_MIPS32_R2
199	select SYS_HAS_EARLY_PRINTK
200	select SYS_SUPPORTS_32BIT_KERNEL
201	select SYS_SUPPORTS_BIG_ENDIAN
202	select SYS_SUPPORTS_MIPS16
203	select SYS_SUPPORTS_ZBOOT_UART_PROM
204	select USE_OF
205	help
206	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
207
208config BMIPS_GENERIC
209	bool "Broadcom Generic BMIPS kernel"
210	select BOOT_RAW
211	select NO_EXCEPT_FILL
212	select USE_OF
213	select CEVT_R4K
214	select CSRC_R4K
215	select SYNC_R4K
216	select COMMON_CLK
217	select BCM6345_L1_IRQ
218	select BCM7038_L1_IRQ
219	select BCM7120_L2_IRQ
220	select BRCMSTB_L2_IRQ
221	select IRQ_MIPS_CPU
222	select DMA_NONCOHERENT
223	select SYS_SUPPORTS_32BIT_KERNEL
224	select SYS_SUPPORTS_LITTLE_ENDIAN
225	select SYS_SUPPORTS_BIG_ENDIAN
226	select SYS_SUPPORTS_HIGHMEM
227	select SYS_HAS_CPU_BMIPS32_3300
228	select SYS_HAS_CPU_BMIPS4350
229	select SYS_HAS_CPU_BMIPS4380
230	select SYS_HAS_CPU_BMIPS5000
231	select SWAP_IO_SPACE
232	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
233	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
234	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
235	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
236	help
237	  Build a generic DT-based kernel image that boots on select
238	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
239	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
240	  must be set appropriately for your board.
241
242config BCM47XX
243	bool "Broadcom BCM47XX based boards"
244	select BOOT_RAW
245	select CEVT_R4K
246	select CSRC_R4K
247	select DMA_NONCOHERENT
248	select HW_HAS_PCI
249	select IRQ_MIPS_CPU
250	select SYS_HAS_CPU_MIPS32_R1
251	select NO_EXCEPT_FILL
252	select SYS_SUPPORTS_32BIT_KERNEL
253	select SYS_SUPPORTS_LITTLE_ENDIAN
254	select SYS_SUPPORTS_MIPS16
255	select SYS_HAS_EARLY_PRINTK
256	select USE_GENERIC_EARLY_PRINTK_8250
257	select GPIOLIB
258	select LEDS_GPIO_REGISTER
259	select BCM47XX_NVRAM
260	select BCM47XX_SPROM
261	help
262	 Support for BCM47XX based boards
263
264config BCM63XX
265	bool "Broadcom BCM63XX based boards"
266	select BOOT_RAW
267	select CEVT_R4K
268	select CSRC_R4K
269	select SYNC_R4K
270	select DMA_NONCOHERENT
271	select IRQ_MIPS_CPU
272	select SYS_SUPPORTS_32BIT_KERNEL
273	select SYS_SUPPORTS_BIG_ENDIAN
274	select SYS_HAS_EARLY_PRINTK
275	select SWAP_IO_SPACE
276	select GPIOLIB
277	select HAVE_CLK
278	select MIPS_L1_CACHE_SHIFT_4
279	help
280	 Support for BCM63XX based boards
281
282config MIPS_COBALT
283	bool "Cobalt Server"
284	select CEVT_R4K
285	select CSRC_R4K
286	select CEVT_GT641XX
287	select DMA_NONCOHERENT
288	select HW_HAS_PCI
289	select I8253
290	select I8259
291	select IRQ_MIPS_CPU
292	select IRQ_GT641XX
293	select PCI_GT64XXX_PCI0
294	select PCI
295	select SYS_HAS_CPU_NEVADA
296	select SYS_HAS_EARLY_PRINTK
297	select SYS_SUPPORTS_32BIT_KERNEL
298	select SYS_SUPPORTS_64BIT_KERNEL
299	select SYS_SUPPORTS_LITTLE_ENDIAN
300	select USE_GENERIC_EARLY_PRINTK_8250
301
302config MACH_DECSTATION
303	bool "DECstations"
304	select BOOT_ELF32
305	select CEVT_DS1287
306	select CEVT_R4K if CPU_R4X00
307	select CSRC_IOASIC
308	select CSRC_R4K if CPU_R4X00
309	select CPU_DADDI_WORKAROUNDS if 64BIT
310	select CPU_R4000_WORKAROUNDS if 64BIT
311	select CPU_R4400_WORKAROUNDS if 64BIT
312	select DMA_NONCOHERENT
313	select NO_IOPORT_MAP
314	select IRQ_MIPS_CPU
315	select SYS_HAS_CPU_R3000
316	select SYS_HAS_CPU_R4X00
317	select SYS_SUPPORTS_32BIT_KERNEL
318	select SYS_SUPPORTS_64BIT_KERNEL
319	select SYS_SUPPORTS_LITTLE_ENDIAN
320	select SYS_SUPPORTS_128HZ
321	select SYS_SUPPORTS_256HZ
322	select SYS_SUPPORTS_1024HZ
323	select MIPS_L1_CACHE_SHIFT_4
324	help
325	  This enables support for DEC's MIPS based workstations.  For details
326	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
327	  DECstation porting pages on <http://decstation.unix-ag.org/>.
328
329	  If you have one of the following DECstation Models you definitely
330	  want to choose R4xx0 for the CPU Type:
331
332		DECstation 5000/50
333		DECstation 5000/150
334		DECstation 5000/260
335		DECsystem 5900/260
336
337	  otherwise choose R3000.
338
339config MACH_JAZZ
340	bool "Jazz family of machines"
341	select FW_ARC
342	select FW_ARC32
343	select ARCH_MAY_HAVE_PC_FDC
344	select CEVT_R4K
345	select CSRC_R4K
346	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
347	select GENERIC_ISA_DMA
348	select HAVE_PCSPKR_PLATFORM
349	select IRQ_MIPS_CPU
350	select I8253
351	select I8259
352	select ISA
353	select SYS_HAS_CPU_R4X00
354	select SYS_SUPPORTS_32BIT_KERNEL
355	select SYS_SUPPORTS_64BIT_KERNEL
356	select SYS_SUPPORTS_100HZ
357	help
358	 This a family of machines based on the MIPS R4030 chipset which was
359	 used by several vendors to build RISC/os and Windows NT workstations.
360	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
361	 Olivetti M700-10 workstations.
362
363config MACH_INGENIC
364	bool "Ingenic SoC based machines"
365	select SYS_SUPPORTS_32BIT_KERNEL
366	select SYS_SUPPORTS_LITTLE_ENDIAN
367	select SYS_SUPPORTS_ZBOOT_UART16550
368	select DMA_NONCOHERENT
369	select IRQ_MIPS_CPU
370	select PINCTRL
371	select GPIOLIB
372	select COMMON_CLK
373	select GENERIC_IRQ_CHIP
374	select BUILTIN_DTB
375	select USE_OF
376	select LIBFDT
377
378config LANTIQ
379	bool "Lantiq based platforms"
380	select DMA_NONCOHERENT
381	select IRQ_MIPS_CPU
382	select CEVT_R4K
383	select CSRC_R4K
384	select SYS_HAS_CPU_MIPS32_R1
385	select SYS_HAS_CPU_MIPS32_R2
386	select SYS_SUPPORTS_BIG_ENDIAN
387	select SYS_SUPPORTS_32BIT_KERNEL
388	select SYS_SUPPORTS_MIPS16
389	select SYS_SUPPORTS_MULTITHREADING
390	select SYS_HAS_EARLY_PRINTK
391	select GPIOLIB
392	select SWAP_IO_SPACE
393	select BOOT_RAW
394	select CLKDEV_LOOKUP
395	select USE_OF
396	select PINCTRL
397	select PINCTRL_LANTIQ
398	select ARCH_HAS_RESET_CONTROLLER
399	select RESET_CONTROLLER
400
401config LASAT
402	bool "LASAT Networks platforms"
403	select CEVT_R4K
404	select CRC32
405	select CSRC_R4K
406	select DMA_NONCOHERENT
407	select SYS_HAS_EARLY_PRINTK
408	select HW_HAS_PCI
409	select IRQ_MIPS_CPU
410	select PCI_GT64XXX_PCI0
411	select MIPS_NILE4
412	select R5000_CPU_SCACHE
413	select SYS_HAS_CPU_R5000
414	select SYS_SUPPORTS_32BIT_KERNEL
415	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
416	select SYS_SUPPORTS_LITTLE_ENDIAN
417
418config MACH_LOONGSON32
419	bool "Loongson-1 family of machines"
420	select SYS_SUPPORTS_ZBOOT
421	help
422	  This enables support for the Loongson-1 family of machines.
423
424	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
425	  the Institute of Computing Technology (ICT), Chinese Academy of
426	  Sciences (CAS).
427
428config MACH_LOONGSON64
429	bool "Loongson-2/3 family of machines"
430	select SYS_SUPPORTS_ZBOOT
431	help
432	  This enables the support of Loongson-2/3 family of machines.
433
434	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
435	  family of multi-core CPUs. They are both 64-bit general-purpose
436	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
437	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
438	  in the People's Republic of China. The chief architect is Professor
439	  Weiwu Hu.
440
441config MACH_PISTACHIO
442	bool "IMG Pistachio SoC based boards"
443	select BOOT_ELF32
444	select BOOT_RAW
445	select CEVT_R4K
446	select CLKSRC_MIPS_GIC
447	select COMMON_CLK
448	select CSRC_R4K
449	select DMA_NONCOHERENT
450	select GPIOLIB
451	select IRQ_MIPS_CPU
452	select LIBFDT
453	select MFD_SYSCON
454	select MIPS_CPU_SCACHE
455	select MIPS_GIC
456	select PINCTRL
457	select REGULATOR
458	select SYS_HAS_CPU_MIPS32_R2
459	select SYS_SUPPORTS_32BIT_KERNEL
460	select SYS_SUPPORTS_LITTLE_ENDIAN
461	select SYS_SUPPORTS_MIPS_CPS
462	select SYS_SUPPORTS_MULTITHREADING
463	select SYS_SUPPORTS_RELOCATABLE
464	select SYS_SUPPORTS_ZBOOT
465	select SYS_HAS_EARLY_PRINTK
466	select USE_GENERIC_EARLY_PRINTK_8250
467	select USE_OF
468	help
469	  This enables support for the IMG Pistachio SoC platform.
470
471config MACH_XILFPGA
472	bool "MIPSfpga Xilinx based boards"
473	select BOOT_ELF32
474	select BOOT_RAW
475	select BUILTIN_DTB
476	select CEVT_R4K
477	select COMMON_CLK
478	select CSRC_R4K
479	select GPIOLIB
480	select IRQ_MIPS_CPU
481	select LIBFDT
482	select MIPS_CPU_SCACHE
483	select SYS_HAS_EARLY_PRINTK
484	select SYS_HAS_CPU_MIPS32_R2
485	select SYS_SUPPORTS_32BIT_KERNEL
486	select SYS_SUPPORTS_LITTLE_ENDIAN
487	select SYS_SUPPORTS_ZBOOT_UART16550
488	select USE_OF
489	select USE_GENERIC_EARLY_PRINTK_8250
490	select XILINX_INTC
491	help
492	  This enables support for the IMG University Program MIPSfpga platform.
493
494config MIPS_MALTA
495	bool "MIPS Malta board"
496	select ARCH_MAY_HAVE_PC_FDC
497	select BOOT_ELF32
498	select BOOT_RAW
499	select BUILTIN_DTB
500	select CEVT_R4K
501	select CSRC_R4K
502	select CLKSRC_MIPS_GIC
503	select COMMON_CLK
504	select DMA_MAYBE_COHERENT
505	select GENERIC_ISA_DMA
506	select HAVE_PCSPKR_PLATFORM
507	select IRQ_MIPS_CPU
508	select MIPS_GIC
509	select HW_HAS_PCI
510	select I8253
511	select I8259
512	select MIPS_BONITO64
513	select MIPS_CPU_SCACHE
514	select MIPS_L1_CACHE_SHIFT_6
515	select PCI_GT64XXX_PCI0
516	select MIPS_MSC
517	select SMP_UP if SMP
518	select SWAP_IO_SPACE
519	select SYS_HAS_CPU_MIPS32_R1
520	select SYS_HAS_CPU_MIPS32_R2
521	select SYS_HAS_CPU_MIPS32_R3_5
522	select SYS_HAS_CPU_MIPS32_R5
523	select SYS_HAS_CPU_MIPS32_R6
524	select SYS_HAS_CPU_MIPS64_R1
525	select SYS_HAS_CPU_MIPS64_R2
526	select SYS_HAS_CPU_MIPS64_R6
527	select SYS_HAS_CPU_NEVADA
528	select SYS_HAS_CPU_RM7000
529	select SYS_SUPPORTS_32BIT_KERNEL
530	select SYS_SUPPORTS_64BIT_KERNEL
531	select SYS_SUPPORTS_BIG_ENDIAN
532	select SYS_SUPPORTS_HIGHMEM
533	select SYS_SUPPORTS_LITTLE_ENDIAN
534	select SYS_SUPPORTS_MICROMIPS
535	select SYS_SUPPORTS_MIPS_CMP
536	select SYS_SUPPORTS_MIPS_CPS
537	select SYS_SUPPORTS_MIPS16
538	select SYS_SUPPORTS_MULTITHREADING
539	select SYS_SUPPORTS_SMARTMIPS
540	select SYS_SUPPORTS_ZBOOT
541	select SYS_SUPPORTS_RELOCATABLE
542	select USE_OF
543	select LIBFDT
544	select ZONE_DMA32 if 64BIT
545	select BUILTIN_DTB
546	select LIBFDT
547	help
548	  This enables support for the MIPS Technologies Malta evaluation
549	  board.
550
551config MACH_PIC32
552	bool "Microchip PIC32 Family"
553	help
554	  This enables support for the Microchip PIC32 family of platforms.
555
556	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
557	  microcontrollers.
558
559config NEC_MARKEINS
560	bool "NEC EMMA2RH Mark-eins board"
561	select SOC_EMMA2RH
562	select HW_HAS_PCI
563	help
564	  This enables support for the NEC Electronics Mark-eins boards.
565
566config MACH_VR41XX
567	bool "NEC VR4100 series based machines"
568	select CEVT_R4K
569	select CSRC_R4K
570	select SYS_HAS_CPU_VR41XX
571	select SYS_SUPPORTS_MIPS16
572	select GPIOLIB
573
574config NXP_STB220
575	bool "NXP STB220 board"
576	select SOC_PNX833X
577	help
578	 Support for NXP Semiconductors STB220 Development Board.
579
580config NXP_STB225
581	bool "NXP 225 board"
582	select SOC_PNX833X
583	select SOC_PNX8335
584	help
585	 Support for NXP Semiconductors STB225 Development Board.
586
587config PMC_MSP
588	bool "PMC-Sierra MSP chipsets"
589	select CEVT_R4K
590	select CSRC_R4K
591	select DMA_NONCOHERENT
592	select SWAP_IO_SPACE
593	select NO_EXCEPT_FILL
594	select BOOT_RAW
595	select SYS_HAS_CPU_MIPS32_R1
596	select SYS_HAS_CPU_MIPS32_R2
597	select SYS_SUPPORTS_32BIT_KERNEL
598	select SYS_SUPPORTS_BIG_ENDIAN
599	select SYS_SUPPORTS_MIPS16
600	select IRQ_MIPS_CPU
601	select SERIAL_8250
602	select SERIAL_8250_CONSOLE
603	select USB_EHCI_BIG_ENDIAN_MMIO
604	select USB_EHCI_BIG_ENDIAN_DESC
605	help
606	  This adds support for the PMC-Sierra family of Multi-Service
607	  Processor System-On-A-Chips.  These parts include a number
608	  of integrated peripherals, interfaces and DSPs in addition to
609	  a variety of MIPS cores.
610
611config RALINK
612	bool "Ralink based machines"
613	select CEVT_R4K
614	select CSRC_R4K
615	select BOOT_RAW
616	select DMA_NONCOHERENT
617	select IRQ_MIPS_CPU
618	select USE_OF
619	select SYS_HAS_CPU_MIPS32_R1
620	select SYS_HAS_CPU_MIPS32_R2
621	select SYS_SUPPORTS_32BIT_KERNEL
622	select SYS_SUPPORTS_LITTLE_ENDIAN
623	select SYS_SUPPORTS_MIPS16
624	select SYS_HAS_EARLY_PRINTK
625	select CLKDEV_LOOKUP
626	select ARCH_HAS_RESET_CONTROLLER
627	select RESET_CONTROLLER
628
629config SGI_IP22
630	bool "SGI IP22 (Indy/Indigo2)"
631	select FW_ARC
632	select FW_ARC32
633	select BOOT_ELF32
634	select CEVT_R4K
635	select CSRC_R4K
636	select DEFAULT_SGI_PARTITION
637	select DMA_NONCOHERENT
638	select HW_HAS_EISA
639	select I8253
640	select I8259
641	select IP22_CPU_SCACHE
642	select IRQ_MIPS_CPU
643	select GENERIC_ISA_DMA_SUPPORT_BROKEN
644	select SGI_HAS_I8042
645	select SGI_HAS_INDYDOG
646	select SGI_HAS_HAL2
647	select SGI_HAS_SEEQ
648	select SGI_HAS_WD93
649	select SGI_HAS_ZILOG
650	select SWAP_IO_SPACE
651	select SYS_HAS_CPU_R4X00
652	select SYS_HAS_CPU_R5000
653	#
654	# Disable EARLY_PRINTK for now since it leads to overwritten prom
655	# memory during early boot on some machines.
656	#
657	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
658	# for a more details discussion
659	#
660	# select SYS_HAS_EARLY_PRINTK
661	select SYS_SUPPORTS_32BIT_KERNEL
662	select SYS_SUPPORTS_64BIT_KERNEL
663	select SYS_SUPPORTS_BIG_ENDIAN
664	select MIPS_L1_CACHE_SHIFT_7
665	help
666	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
667	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
668	  that runs on these, say Y here.
669
670config SGI_IP27
671	bool "SGI IP27 (Origin200/2000)"
672	select FW_ARC
673	select FW_ARC64
674	select BOOT_ELF64
675	select DEFAULT_SGI_PARTITION
676	select DMA_COHERENT
677	select SYS_HAS_EARLY_PRINTK
678	select HW_HAS_PCI
679	select NR_CPUS_DEFAULT_64
680	select SYS_HAS_CPU_R10000
681	select SYS_SUPPORTS_64BIT_KERNEL
682	select SYS_SUPPORTS_BIG_ENDIAN
683	select SYS_SUPPORTS_NUMA
684	select SYS_SUPPORTS_SMP
685	select MIPS_L1_CACHE_SHIFT_7
686	help
687	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
688	  workstations.  To compile a Linux kernel that runs on these, say Y
689	  here.
690
691config SGI_IP28
692	bool "SGI IP28 (Indigo2 R10k)"
693	select FW_ARC
694	select FW_ARC64
695	select BOOT_ELF64
696	select CEVT_R4K
697	select CSRC_R4K
698	select DEFAULT_SGI_PARTITION
699	select DMA_NONCOHERENT
700	select GENERIC_ISA_DMA_SUPPORT_BROKEN
701	select IRQ_MIPS_CPU
702	select HW_HAS_EISA
703	select I8253
704	select I8259
705	select SGI_HAS_I8042
706	select SGI_HAS_INDYDOG
707	select SGI_HAS_HAL2
708	select SGI_HAS_SEEQ
709	select SGI_HAS_WD93
710	select SGI_HAS_ZILOG
711	select SWAP_IO_SPACE
712	select SYS_HAS_CPU_R10000
713	#
714	# Disable EARLY_PRINTK for now since it leads to overwritten prom
715	# memory during early boot on some machines.
716	#
717	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
718	# for a more details discussion
719	#
720	# select SYS_HAS_EARLY_PRINTK
721	select SYS_SUPPORTS_64BIT_KERNEL
722	select SYS_SUPPORTS_BIG_ENDIAN
723	select MIPS_L1_CACHE_SHIFT_7
724      help
725        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
726        kernel that runs on these, say Y here.
727
728config SGI_IP32
729	bool "SGI IP32 (O2)"
730	select FW_ARC
731	select FW_ARC32
732	select BOOT_ELF32
733	select CEVT_R4K
734	select CSRC_R4K
735	select DMA_NONCOHERENT
736	select HW_HAS_PCI
737	select IRQ_MIPS_CPU
738	select R5000_CPU_SCACHE
739	select RM7000_CPU_SCACHE
740	select SYS_HAS_CPU_R5000
741	select SYS_HAS_CPU_R10000 if BROKEN
742	select SYS_HAS_CPU_RM7000
743	select SYS_HAS_CPU_NEVADA
744	select SYS_SUPPORTS_64BIT_KERNEL
745	select SYS_SUPPORTS_BIG_ENDIAN
746	help
747	  If you want this kernel to run on SGI O2 workstation, say Y here.
748
749config SIBYTE_CRHINE
750	bool "Sibyte BCM91120C-CRhine"
751	select BOOT_ELF32
752	select DMA_COHERENT
753	select SIBYTE_BCM1120
754	select SWAP_IO_SPACE
755	select SYS_HAS_CPU_SB1
756	select SYS_SUPPORTS_BIG_ENDIAN
757	select SYS_SUPPORTS_LITTLE_ENDIAN
758
759config SIBYTE_CARMEL
760	bool "Sibyte BCM91120x-Carmel"
761	select BOOT_ELF32
762	select DMA_COHERENT
763	select SIBYTE_BCM1120
764	select SWAP_IO_SPACE
765	select SYS_HAS_CPU_SB1
766	select SYS_SUPPORTS_BIG_ENDIAN
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768
769config SIBYTE_CRHONE
770	bool "Sibyte BCM91125C-CRhone"
771	select BOOT_ELF32
772	select DMA_COHERENT
773	select SIBYTE_BCM1125
774	select SWAP_IO_SPACE
775	select SYS_HAS_CPU_SB1
776	select SYS_SUPPORTS_BIG_ENDIAN
777	select SYS_SUPPORTS_HIGHMEM
778	select SYS_SUPPORTS_LITTLE_ENDIAN
779
780config SIBYTE_RHONE
781	bool "Sibyte BCM91125E-Rhone"
782	select BOOT_ELF32
783	select DMA_COHERENT
784	select SIBYTE_BCM1125H
785	select SWAP_IO_SPACE
786	select SYS_HAS_CPU_SB1
787	select SYS_SUPPORTS_BIG_ENDIAN
788	select SYS_SUPPORTS_LITTLE_ENDIAN
789
790config SIBYTE_SWARM
791	bool "Sibyte BCM91250A-SWARM"
792	select BOOT_ELF32
793	select DMA_COHERENT
794	select HAVE_PATA_PLATFORM
795	select SIBYTE_SB1250
796	select SWAP_IO_SPACE
797	select SYS_HAS_CPU_SB1
798	select SYS_SUPPORTS_BIG_ENDIAN
799	select SYS_SUPPORTS_HIGHMEM
800	select SYS_SUPPORTS_LITTLE_ENDIAN
801	select ZONE_DMA32 if 64BIT
802
803config SIBYTE_LITTLESUR
804	bool "Sibyte BCM91250C2-LittleSur"
805	select BOOT_ELF32
806	select DMA_COHERENT
807	select HAVE_PATA_PLATFORM
808	select SIBYTE_SB1250
809	select SWAP_IO_SPACE
810	select SYS_HAS_CPU_SB1
811	select SYS_SUPPORTS_BIG_ENDIAN
812	select SYS_SUPPORTS_HIGHMEM
813	select SYS_SUPPORTS_LITTLE_ENDIAN
814
815config SIBYTE_SENTOSA
816	bool "Sibyte BCM91250E-Sentosa"
817	select BOOT_ELF32
818	select DMA_COHERENT
819	select SIBYTE_SB1250
820	select SWAP_IO_SPACE
821	select SYS_HAS_CPU_SB1
822	select SYS_SUPPORTS_BIG_ENDIAN
823	select SYS_SUPPORTS_LITTLE_ENDIAN
824
825config SIBYTE_BIGSUR
826	bool "Sibyte BCM91480B-BigSur"
827	select BOOT_ELF32
828	select DMA_COHERENT
829	select NR_CPUS_DEFAULT_4
830	select SIBYTE_BCM1x80
831	select SWAP_IO_SPACE
832	select SYS_HAS_CPU_SB1
833	select SYS_SUPPORTS_BIG_ENDIAN
834	select SYS_SUPPORTS_HIGHMEM
835	select SYS_SUPPORTS_LITTLE_ENDIAN
836	select ZONE_DMA32 if 64BIT
837
838config SNI_RM
839	bool "SNI RM200/300/400"
840	select FW_ARC if CPU_LITTLE_ENDIAN
841	select FW_ARC32 if CPU_LITTLE_ENDIAN
842	select FW_SNIPROM if CPU_BIG_ENDIAN
843	select ARCH_MAY_HAVE_PC_FDC
844	select BOOT_ELF32
845	select CEVT_R4K
846	select CSRC_R4K
847	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
848	select DMA_NONCOHERENT
849	select GENERIC_ISA_DMA
850	select HAVE_PCSPKR_PLATFORM
851	select HW_HAS_EISA
852	select HW_HAS_PCI
853	select IRQ_MIPS_CPU
854	select I8253
855	select I8259
856	select ISA
857	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
858	select SYS_HAS_CPU_R4X00
859	select SYS_HAS_CPU_R5000
860	select SYS_HAS_CPU_R10000
861	select R5000_CPU_SCACHE
862	select SYS_HAS_EARLY_PRINTK
863	select SYS_SUPPORTS_32BIT_KERNEL
864	select SYS_SUPPORTS_64BIT_KERNEL
865	select SYS_SUPPORTS_BIG_ENDIAN
866	select SYS_SUPPORTS_HIGHMEM
867	select SYS_SUPPORTS_LITTLE_ENDIAN
868	help
869	  The SNI RM200/300/400 are MIPS-based machines manufactured by
870	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
871	  Technology and now in turn merged with Fujitsu.  Say Y here to
872	  support this machine type.
873
874config MACH_TX39XX
875	bool "Toshiba TX39 series based machines"
876
877config MACH_TX49XX
878	bool "Toshiba TX49 series based machines"
879
880config MIKROTIK_RB532
881	bool "Mikrotik RB532 boards"
882	select CEVT_R4K
883	select CSRC_R4K
884	select DMA_NONCOHERENT
885	select HW_HAS_PCI
886	select IRQ_MIPS_CPU
887	select SYS_HAS_CPU_MIPS32_R1
888	select SYS_SUPPORTS_32BIT_KERNEL
889	select SYS_SUPPORTS_LITTLE_ENDIAN
890	select SWAP_IO_SPACE
891	select BOOT_RAW
892	select GPIOLIB
893	select MIPS_L1_CACHE_SHIFT_4
894	help
895	  Support the Mikrotik(tm) RouterBoard 532 series,
896	  based on the IDT RC32434 SoC.
897
898config CAVIUM_OCTEON_SOC
899	bool "Cavium Networks Octeon SoC based boards"
900	select CEVT_R4K
901	select ARCH_PHYS_ADDR_T_64BIT
902	select DMA_COHERENT
903	select SYS_SUPPORTS_64BIT_KERNEL
904	select SYS_SUPPORTS_BIG_ENDIAN
905	select EDAC_SUPPORT
906	select EDAC_ATOMIC_SCRUB
907	select SYS_SUPPORTS_LITTLE_ENDIAN
908	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
909	select SYS_HAS_EARLY_PRINTK
910	select SYS_HAS_CPU_CAVIUM_OCTEON
911	select HW_HAS_PCI
912	select ZONE_DMA32
913	select HOLES_IN_ZONE
914	select GPIOLIB
915	select LIBFDT
916	select USE_OF
917	select ARCH_SPARSEMEM_ENABLE
918	select SYS_SUPPORTS_SMP
919	select NR_CPUS_DEFAULT_16
920	select BUILTIN_DTB
921	select MTD_COMPLEX_MAPPINGS
922	select SYS_SUPPORTS_RELOCATABLE
923	help
924	  This option supports all of the Octeon reference boards from Cavium
925	  Networks. It builds a kernel that dynamically determines the Octeon
926	  CPU type and supports all known board reference implementations.
927	  Some of the supported boards are:
928		EBT3000
929		EBH3000
930		EBH3100
931		Thunder
932		Kodama
933		Hikari
934	  Say Y here for most Octeon reference boards.
935
936config NLM_XLR_BOARD
937	bool "Netlogic XLR/XLS based systems"
938	select BOOT_ELF32
939	select NLM_COMMON
940	select SYS_HAS_CPU_XLR
941	select SYS_SUPPORTS_SMP
942	select HW_HAS_PCI
943	select SWAP_IO_SPACE
944	select SYS_SUPPORTS_32BIT_KERNEL
945	select SYS_SUPPORTS_64BIT_KERNEL
946	select ARCH_PHYS_ADDR_T_64BIT
947	select SYS_SUPPORTS_BIG_ENDIAN
948	select SYS_SUPPORTS_HIGHMEM
949	select DMA_COHERENT
950	select NR_CPUS_DEFAULT_32
951	select CEVT_R4K
952	select CSRC_R4K
953	select IRQ_MIPS_CPU
954	select ZONE_DMA32 if 64BIT
955	select SYNC_R4K
956	select SYS_HAS_EARLY_PRINTK
957	select SYS_SUPPORTS_ZBOOT
958	select SYS_SUPPORTS_ZBOOT_UART16550
959	help
960	  Support for systems based on Netlogic XLR and XLS processors.
961	  Say Y here if you have a XLR or XLS based board.
962
963config NLM_XLP_BOARD
964	bool "Netlogic XLP based systems"
965	select BOOT_ELF32
966	select NLM_COMMON
967	select SYS_HAS_CPU_XLP
968	select SYS_SUPPORTS_SMP
969	select HW_HAS_PCI
970	select SYS_SUPPORTS_32BIT_KERNEL
971	select SYS_SUPPORTS_64BIT_KERNEL
972	select ARCH_PHYS_ADDR_T_64BIT
973	select GPIOLIB
974	select SYS_SUPPORTS_BIG_ENDIAN
975	select SYS_SUPPORTS_LITTLE_ENDIAN
976	select SYS_SUPPORTS_HIGHMEM
977	select DMA_COHERENT
978	select NR_CPUS_DEFAULT_32
979	select CEVT_R4K
980	select CSRC_R4K
981	select IRQ_MIPS_CPU
982	select ZONE_DMA32 if 64BIT
983	select SYNC_R4K
984	select SYS_HAS_EARLY_PRINTK
985	select USE_OF
986	select SYS_SUPPORTS_ZBOOT
987	select SYS_SUPPORTS_ZBOOT_UART16550
988	help
989	  This board is based on Netlogic XLP Processor.
990	  Say Y here if you have a XLP based board.
991
992config MIPS_PARAVIRT
993	bool "Para-Virtualized guest system"
994	select CEVT_R4K
995	select CSRC_R4K
996	select DMA_COHERENT
997	select SYS_SUPPORTS_64BIT_KERNEL
998	select SYS_SUPPORTS_32BIT_KERNEL
999	select SYS_SUPPORTS_BIG_ENDIAN
1000	select SYS_SUPPORTS_SMP
1001	select NR_CPUS_DEFAULT_4
1002	select SYS_HAS_EARLY_PRINTK
1003	select SYS_HAS_CPU_MIPS32_R2
1004	select SYS_HAS_CPU_MIPS64_R2
1005	select SYS_HAS_CPU_CAVIUM_OCTEON
1006	select HW_HAS_PCI
1007	select SWAP_IO_SPACE
1008	help
1009	  This option supports guest running under ????
1010
1011endchoice
1012
1013source "arch/mips/alchemy/Kconfig"
1014source "arch/mips/ath25/Kconfig"
1015source "arch/mips/ath79/Kconfig"
1016source "arch/mips/bcm47xx/Kconfig"
1017source "arch/mips/bcm63xx/Kconfig"
1018source "arch/mips/bmips/Kconfig"
1019source "arch/mips/generic/Kconfig"
1020source "arch/mips/jazz/Kconfig"
1021source "arch/mips/jz4740/Kconfig"
1022source "arch/mips/lantiq/Kconfig"
1023source "arch/mips/lasat/Kconfig"
1024source "arch/mips/pic32/Kconfig"
1025source "arch/mips/pistachio/Kconfig"
1026source "arch/mips/pmcs-msp71xx/Kconfig"
1027source "arch/mips/ralink/Kconfig"
1028source "arch/mips/sgi-ip27/Kconfig"
1029source "arch/mips/sibyte/Kconfig"
1030source "arch/mips/txx9/Kconfig"
1031source "arch/mips/vr41xx/Kconfig"
1032source "arch/mips/cavium-octeon/Kconfig"
1033source "arch/mips/loongson32/Kconfig"
1034source "arch/mips/loongson64/Kconfig"
1035source "arch/mips/netlogic/Kconfig"
1036source "arch/mips/paravirt/Kconfig"
1037source "arch/mips/xilfpga/Kconfig"
1038
1039endmenu
1040
1041config RWSEM_GENERIC_SPINLOCK
1042	bool
1043	default y
1044
1045config RWSEM_XCHGADD_ALGORITHM
1046	bool
1047
1048config GENERIC_HWEIGHT
1049	bool
1050	default y
1051
1052config GENERIC_CALIBRATE_DELAY
1053	bool
1054	default y
1055
1056config SCHED_OMIT_FRAME_POINTER
1057	bool
1058	default y
1059
1060#
1061# Select some configuration options automatically based on user selections.
1062#
1063config FW_ARC
1064	bool
1065
1066config ARCH_MAY_HAVE_PC_FDC
1067	bool
1068
1069config BOOT_RAW
1070	bool
1071
1072config CEVT_BCM1480
1073	bool
1074
1075config CEVT_DS1287
1076	bool
1077
1078config CEVT_GT641XX
1079	bool
1080
1081config CEVT_R4K
1082	bool
1083
1084config CEVT_SB1250
1085	bool
1086
1087config CEVT_TXX9
1088	bool
1089
1090config CSRC_BCM1480
1091	bool
1092
1093config CSRC_IOASIC
1094	bool
1095
1096config CSRC_R4K
1097	bool
1098
1099config CSRC_SB1250
1100	bool
1101
1102config MIPS_CLOCK_VSYSCALL
1103	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1104
1105config GPIO_TXX9
1106	select GPIOLIB
1107	bool
1108
1109config FW_CFE
1110	bool
1111
1112config ARCH_DMA_ADDR_T_64BIT
1113	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1114
1115config ARCH_SUPPORTS_UPROBES
1116	bool
1117
1118config DMA_MAYBE_COHERENT
1119	select DMA_NONCOHERENT
1120	bool
1121
1122config DMA_PERDEV_COHERENT
1123	bool
1124	select DMA_MAYBE_COHERENT
1125
1126config DMA_COHERENT
1127	bool
1128
1129config DMA_NONCOHERENT
1130	bool
1131	select NEED_DMA_MAP_STATE
1132
1133config NEED_DMA_MAP_STATE
1134	bool
1135
1136config SYS_HAS_EARLY_PRINTK
1137	bool
1138
1139config SYS_SUPPORTS_HOTPLUG_CPU
1140	bool
1141
1142config MIPS_BONITO64
1143	bool
1144
1145config MIPS_MSC
1146	bool
1147
1148config MIPS_NILE4
1149	bool
1150
1151config SYNC_R4K
1152	bool
1153
1154config MIPS_MACHINE
1155	def_bool n
1156
1157config NO_IOPORT_MAP
1158	def_bool n
1159
1160config GENERIC_CSUM
1161	bool
1162
1163config GENERIC_ISA_DMA
1164	bool
1165	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1166	select ISA_DMA_API
1167
1168config GENERIC_ISA_DMA_SUPPORT_BROKEN
1169	bool
1170	select GENERIC_ISA_DMA
1171
1172config ISA_DMA_API
1173	bool
1174
1175config HOLES_IN_ZONE
1176	bool
1177
1178config SYS_SUPPORTS_RELOCATABLE
1179	bool
1180	help
1181	 Selected if the platform supports relocating the kernel.
1182	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1183	 to allow access to command line and entropy sources.
1184
1185config MIPS_CBPF_JIT
1186	def_bool y
1187	depends on BPF_JIT && HAVE_CBPF_JIT
1188
1189config MIPS_EBPF_JIT
1190	def_bool y
1191	depends on BPF_JIT && HAVE_EBPF_JIT
1192
1193
1194#
1195# Endianness selection.  Sufficiently obscure so many users don't know what to
1196# answer,so we try hard to limit the available choices.  Also the use of a
1197# choice statement should be more obvious to the user.
1198#
1199choice
1200	prompt "Endianness selection"
1201	help
1202	  Some MIPS machines can be configured for either little or big endian
1203	  byte order. These modes require different kernels and a different
1204	  Linux distribution.  In general there is one preferred byteorder for a
1205	  particular system but some systems are just as commonly used in the
1206	  one or the other endianness.
1207
1208config CPU_BIG_ENDIAN
1209	bool "Big endian"
1210	depends on SYS_SUPPORTS_BIG_ENDIAN
1211
1212config CPU_LITTLE_ENDIAN
1213	bool "Little endian"
1214	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1215
1216endchoice
1217
1218config EXPORT_UASM
1219	bool
1220
1221config SYS_SUPPORTS_APM_EMULATION
1222	bool
1223
1224config SYS_SUPPORTS_BIG_ENDIAN
1225	bool
1226
1227config SYS_SUPPORTS_LITTLE_ENDIAN
1228	bool
1229
1230config SYS_SUPPORTS_HUGETLBFS
1231	bool
1232	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1233	default y
1234
1235config MIPS_HUGE_TLB_SUPPORT
1236	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1237
1238config IRQ_CPU_RM7K
1239	bool
1240
1241config IRQ_MSP_SLP
1242	bool
1243
1244config IRQ_MSP_CIC
1245	bool
1246
1247config IRQ_TXX9
1248	bool
1249
1250config IRQ_GT641XX
1251	bool
1252
1253config PCI_GT64XXX_PCI0
1254	bool
1255
1256config NO_EXCEPT_FILL
1257	bool
1258
1259config SOC_EMMA2RH
1260	bool
1261	select CEVT_R4K
1262	select CSRC_R4K
1263	select DMA_NONCOHERENT
1264	select IRQ_MIPS_CPU
1265	select SWAP_IO_SPACE
1266	select SYS_HAS_CPU_R5500
1267	select SYS_SUPPORTS_32BIT_KERNEL
1268	select SYS_SUPPORTS_64BIT_KERNEL
1269	select SYS_SUPPORTS_BIG_ENDIAN
1270
1271config SOC_PNX833X
1272	bool
1273	select CEVT_R4K
1274	select CSRC_R4K
1275	select IRQ_MIPS_CPU
1276	select DMA_NONCOHERENT
1277	select SYS_HAS_CPU_MIPS32_R2
1278	select SYS_SUPPORTS_32BIT_KERNEL
1279	select SYS_SUPPORTS_LITTLE_ENDIAN
1280	select SYS_SUPPORTS_BIG_ENDIAN
1281	select SYS_SUPPORTS_MIPS16
1282	select CPU_MIPSR2_IRQ_VI
1283
1284config SOC_PNX8335
1285	bool
1286	select SOC_PNX833X
1287
1288config MIPS_SPRAM
1289	bool
1290
1291config SWAP_IO_SPACE
1292	bool
1293
1294config SGI_HAS_INDYDOG
1295	bool
1296
1297config SGI_HAS_HAL2
1298	bool
1299
1300config SGI_HAS_SEEQ
1301	bool
1302
1303config SGI_HAS_WD93
1304	bool
1305
1306config SGI_HAS_ZILOG
1307	bool
1308
1309config SGI_HAS_I8042
1310	bool
1311
1312config DEFAULT_SGI_PARTITION
1313	bool
1314
1315config FW_ARC32
1316	bool
1317
1318config FW_SNIPROM
1319	bool
1320
1321config BOOT_ELF32
1322	bool
1323
1324config MIPS_L1_CACHE_SHIFT_4
1325	bool
1326
1327config MIPS_L1_CACHE_SHIFT_5
1328	bool
1329
1330config MIPS_L1_CACHE_SHIFT_6
1331	bool
1332
1333config MIPS_L1_CACHE_SHIFT_7
1334	bool
1335
1336config MIPS_L1_CACHE_SHIFT
1337	int
1338	default "7" if MIPS_L1_CACHE_SHIFT_7
1339	default "6" if MIPS_L1_CACHE_SHIFT_6
1340	default "5" if MIPS_L1_CACHE_SHIFT_5
1341	default "4" if MIPS_L1_CACHE_SHIFT_4
1342	default "5"
1343
1344config HAVE_STD_PC_SERIAL_PORT
1345	bool
1346
1347config ARC_CONSOLE
1348	bool "ARC console support"
1349	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1350
1351config ARC_MEMORY
1352	bool
1353	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1354	default y
1355
1356config ARC_PROMLIB
1357	bool
1358	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1359	default y
1360
1361config FW_ARC64
1362	bool
1363
1364config BOOT_ELF64
1365	bool
1366
1367menu "CPU selection"
1368
1369choice
1370	prompt "CPU type"
1371	default CPU_R4X00
1372
1373config CPU_LOONGSON3
1374	bool "Loongson 3 CPU"
1375	depends on SYS_HAS_CPU_LOONGSON3
1376	select CPU_SUPPORTS_64BIT_KERNEL
1377	select CPU_SUPPORTS_HIGHMEM
1378	select CPU_SUPPORTS_HUGEPAGES
1379	select WEAK_ORDERING
1380	select WEAK_REORDERING_BEYOND_LLSC
1381	select MIPS_PGD_C0_CONTEXT
1382	select MIPS_L1_CACHE_SHIFT_6
1383	select GPIOLIB
1384	help
1385		The Loongson 3 processor implements the MIPS64R2 instruction
1386		set with many extensions.
1387
1388config LOONGSON3_ENHANCEMENT
1389	bool "New Loongson 3 CPU Enhancements"
1390	default n
1391	select CPU_MIPSR2
1392	select CPU_HAS_PREFETCH
1393	depends on CPU_LOONGSON3
1394	help
1395	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1396	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1397	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1398	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1399	  Fast TLB refill support, etc.
1400
1401	  This option enable those enhancements which are not probed at run
1402	  time. If you want a generic kernel to run on all Loongson 3 machines,
1403	  please say 'N' here. If you want a high-performance kernel to run on
1404	  new Loongson 3 machines only, please say 'Y' here.
1405
1406config CPU_LOONGSON2E
1407	bool "Loongson 2E"
1408	depends on SYS_HAS_CPU_LOONGSON2E
1409	select CPU_LOONGSON2
1410	help
1411	  The Loongson 2E processor implements the MIPS III instruction set
1412	  with many extensions.
1413
1414	  It has an internal FPGA northbridge, which is compatible to
1415	  bonito64.
1416
1417config CPU_LOONGSON2F
1418	bool "Loongson 2F"
1419	depends on SYS_HAS_CPU_LOONGSON2F
1420	select CPU_LOONGSON2
1421	select GPIOLIB
1422	help
1423	  The Loongson 2F processor implements the MIPS III instruction set
1424	  with many extensions.
1425
1426	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1427	  have a similar programming interface with FPGA northbridge used in
1428	  Loongson2E.
1429
1430config CPU_LOONGSON1B
1431	bool "Loongson 1B"
1432	depends on SYS_HAS_CPU_LOONGSON1B
1433	select CPU_LOONGSON1
1434	select LEDS_GPIO_REGISTER
1435	help
1436	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1437	  release 2 instruction set.
1438
1439config CPU_LOONGSON1C
1440	bool "Loongson 1C"
1441	depends on SYS_HAS_CPU_LOONGSON1C
1442	select CPU_LOONGSON1
1443	select LEDS_GPIO_REGISTER
1444	help
1445	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1446	  release 2 instruction set.
1447
1448config CPU_MIPS32_R1
1449	bool "MIPS32 Release 1"
1450	depends on SYS_HAS_CPU_MIPS32_R1
1451	select CPU_HAS_PREFETCH
1452	select CPU_SUPPORTS_32BIT_KERNEL
1453	select CPU_SUPPORTS_HIGHMEM
1454	help
1455	  Choose this option to build a kernel for release 1 or later of the
1456	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1457	  MIPS processor are based on a MIPS32 processor.  If you know the
1458	  specific type of processor in your system, choose those that one
1459	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1460	  Release 2 of the MIPS32 architecture is available since several
1461	  years so chances are you even have a MIPS32 Release 2 processor
1462	  in which case you should choose CPU_MIPS32_R2 instead for better
1463	  performance.
1464
1465config CPU_MIPS32_R2
1466	bool "MIPS32 Release 2"
1467	depends on SYS_HAS_CPU_MIPS32_R2
1468	select CPU_HAS_PREFETCH
1469	select CPU_SUPPORTS_32BIT_KERNEL
1470	select CPU_SUPPORTS_HIGHMEM
1471	select CPU_SUPPORTS_MSA
1472	select HAVE_KVM
1473	help
1474	  Choose this option to build a kernel for release 2 or later of the
1475	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1476	  MIPS processor are based on a MIPS32 processor.  If you know the
1477	  specific type of processor in your system, choose those that one
1478	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1479
1480config CPU_MIPS32_R6
1481	bool "MIPS32 Release 6"
1482	depends on SYS_HAS_CPU_MIPS32_R6
1483	select CPU_HAS_PREFETCH
1484	select CPU_SUPPORTS_32BIT_KERNEL
1485	select CPU_SUPPORTS_HIGHMEM
1486	select CPU_SUPPORTS_MSA
1487	select GENERIC_CSUM
1488	select HAVE_KVM
1489	select MIPS_O32_FP64_SUPPORT
1490	help
1491	  Choose this option to build a kernel for release 6 or later of the
1492	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1493	  family, are based on a MIPS32r6 processor. If you own an older
1494	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1495
1496config CPU_MIPS64_R1
1497	bool "MIPS64 Release 1"
1498	depends on SYS_HAS_CPU_MIPS64_R1
1499	select CPU_HAS_PREFETCH
1500	select CPU_SUPPORTS_32BIT_KERNEL
1501	select CPU_SUPPORTS_64BIT_KERNEL
1502	select CPU_SUPPORTS_HIGHMEM
1503	select CPU_SUPPORTS_HUGEPAGES
1504	help
1505	  Choose this option to build a kernel for release 1 or later of the
1506	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1507	  MIPS processor are based on a MIPS64 processor.  If you know the
1508	  specific type of processor in your system, choose those that one
1509	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1510	  Release 2 of the MIPS64 architecture is available since several
1511	  years so chances are you even have a MIPS64 Release 2 processor
1512	  in which case you should choose CPU_MIPS64_R2 instead for better
1513	  performance.
1514
1515config CPU_MIPS64_R2
1516	bool "MIPS64 Release 2"
1517	depends on SYS_HAS_CPU_MIPS64_R2
1518	select CPU_HAS_PREFETCH
1519	select CPU_SUPPORTS_32BIT_KERNEL
1520	select CPU_SUPPORTS_64BIT_KERNEL
1521	select CPU_SUPPORTS_HIGHMEM
1522	select CPU_SUPPORTS_HUGEPAGES
1523	select CPU_SUPPORTS_MSA
1524	select HAVE_KVM
1525	help
1526	  Choose this option to build a kernel for release 2 or later of the
1527	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1528	  MIPS processor are based on a MIPS64 processor.  If you know the
1529	  specific type of processor in your system, choose those that one
1530	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1531
1532config CPU_MIPS64_R6
1533	bool "MIPS64 Release 6"
1534	depends on SYS_HAS_CPU_MIPS64_R6
1535	select CPU_HAS_PREFETCH
1536	select CPU_SUPPORTS_32BIT_KERNEL
1537	select CPU_SUPPORTS_64BIT_KERNEL
1538	select CPU_SUPPORTS_HIGHMEM
1539	select CPU_SUPPORTS_MSA
1540	select GENERIC_CSUM
1541	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1542	select HAVE_KVM
1543	help
1544	  Choose this option to build a kernel for release 6 or later of the
1545	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1546	  family, are based on a MIPS64r6 processor. If you own an older
1547	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1548
1549config CPU_R3000
1550	bool "R3000"
1551	depends on SYS_HAS_CPU_R3000
1552	select CPU_HAS_WB
1553	select CPU_SUPPORTS_32BIT_KERNEL
1554	select CPU_SUPPORTS_HIGHMEM
1555	help
1556	  Please make sure to pick the right CPU type. Linux/MIPS is not
1557	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1558	  *not* work on R4000 machines and vice versa.  However, since most
1559	  of the supported machines have an R4000 (or similar) CPU, R4x00
1560	  might be a safe bet.  If the resulting kernel does not work,
1561	  try to recompile with R3000.
1562
1563config CPU_TX39XX
1564	bool "R39XX"
1565	depends on SYS_HAS_CPU_TX39XX
1566	select CPU_SUPPORTS_32BIT_KERNEL
1567
1568config CPU_VR41XX
1569	bool "R41xx"
1570	depends on SYS_HAS_CPU_VR41XX
1571	select CPU_SUPPORTS_32BIT_KERNEL
1572	select CPU_SUPPORTS_64BIT_KERNEL
1573	help
1574	  The options selects support for the NEC VR4100 series of processors.
1575	  Only choose this option if you have one of these processors as a
1576	  kernel built with this option will not run on any other type of
1577	  processor or vice versa.
1578
1579config CPU_R4300
1580	bool "R4300"
1581	depends on SYS_HAS_CPU_R4300
1582	select CPU_SUPPORTS_32BIT_KERNEL
1583	select CPU_SUPPORTS_64BIT_KERNEL
1584	help
1585	  MIPS Technologies R4300-series processors.
1586
1587config CPU_R4X00
1588	bool "R4x00"
1589	depends on SYS_HAS_CPU_R4X00
1590	select CPU_SUPPORTS_32BIT_KERNEL
1591	select CPU_SUPPORTS_64BIT_KERNEL
1592	select CPU_SUPPORTS_HUGEPAGES
1593	help
1594	  MIPS Technologies R4000-series processors other than 4300, including
1595	  the R4000, R4400, R4600, and 4700.
1596
1597config CPU_TX49XX
1598	bool "R49XX"
1599	depends on SYS_HAS_CPU_TX49XX
1600	select CPU_HAS_PREFETCH
1601	select CPU_SUPPORTS_32BIT_KERNEL
1602	select CPU_SUPPORTS_64BIT_KERNEL
1603	select CPU_SUPPORTS_HUGEPAGES
1604
1605config CPU_R5000
1606	bool "R5000"
1607	depends on SYS_HAS_CPU_R5000
1608	select CPU_SUPPORTS_32BIT_KERNEL
1609	select CPU_SUPPORTS_64BIT_KERNEL
1610	select CPU_SUPPORTS_HUGEPAGES
1611	help
1612	  MIPS Technologies R5000-series processors other than the Nevada.
1613
1614config CPU_R5432
1615	bool "R5432"
1616	depends on SYS_HAS_CPU_R5432
1617	select CPU_SUPPORTS_32BIT_KERNEL
1618	select CPU_SUPPORTS_64BIT_KERNEL
1619	select CPU_SUPPORTS_HUGEPAGES
1620
1621config CPU_R5500
1622	bool "R5500"
1623	depends on SYS_HAS_CPU_R5500
1624	select CPU_SUPPORTS_32BIT_KERNEL
1625	select CPU_SUPPORTS_64BIT_KERNEL
1626	select CPU_SUPPORTS_HUGEPAGES
1627	help
1628	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1629	  instruction set.
1630
1631config CPU_NEVADA
1632	bool "RM52xx"
1633	depends on SYS_HAS_CPU_NEVADA
1634	select CPU_SUPPORTS_32BIT_KERNEL
1635	select CPU_SUPPORTS_64BIT_KERNEL
1636	select CPU_SUPPORTS_HUGEPAGES
1637	help
1638	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1639
1640config CPU_R8000
1641	bool "R8000"
1642	depends on SYS_HAS_CPU_R8000
1643	select CPU_HAS_PREFETCH
1644	select CPU_SUPPORTS_64BIT_KERNEL
1645	help
1646	  MIPS Technologies R8000 processors.  Note these processors are
1647	  uncommon and the support for them is incomplete.
1648
1649config CPU_R10000
1650	bool "R10000"
1651	depends on SYS_HAS_CPU_R10000
1652	select CPU_HAS_PREFETCH
1653	select CPU_SUPPORTS_32BIT_KERNEL
1654	select CPU_SUPPORTS_64BIT_KERNEL
1655	select CPU_SUPPORTS_HIGHMEM
1656	select CPU_SUPPORTS_HUGEPAGES
1657	help
1658	  MIPS Technologies R10000-series processors.
1659
1660config CPU_RM7000
1661	bool "RM7000"
1662	depends on SYS_HAS_CPU_RM7000
1663	select CPU_HAS_PREFETCH
1664	select CPU_SUPPORTS_32BIT_KERNEL
1665	select CPU_SUPPORTS_64BIT_KERNEL
1666	select CPU_SUPPORTS_HIGHMEM
1667	select CPU_SUPPORTS_HUGEPAGES
1668
1669config CPU_SB1
1670	bool "SB1"
1671	depends on SYS_HAS_CPU_SB1
1672	select CPU_SUPPORTS_32BIT_KERNEL
1673	select CPU_SUPPORTS_64BIT_KERNEL
1674	select CPU_SUPPORTS_HIGHMEM
1675	select CPU_SUPPORTS_HUGEPAGES
1676	select WEAK_ORDERING
1677
1678config CPU_CAVIUM_OCTEON
1679	bool "Cavium Octeon processor"
1680	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1681	select CPU_HAS_PREFETCH
1682	select CPU_SUPPORTS_64BIT_KERNEL
1683	select WEAK_ORDERING
1684	select CPU_SUPPORTS_HIGHMEM
1685	select CPU_SUPPORTS_HUGEPAGES
1686	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1687	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1688	select MIPS_L1_CACHE_SHIFT_7
1689	select HAVE_KVM
1690	help
1691	  The Cavium Octeon processor is a highly integrated chip containing
1692	  many ethernet hardware widgets for networking tasks. The processor
1693	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1694	  Full details can be found at http://www.caviumnetworks.com.
1695
1696config CPU_BMIPS
1697	bool "Broadcom BMIPS"
1698	depends on SYS_HAS_CPU_BMIPS
1699	select CPU_MIPS32
1700	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1701	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1702	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1703	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1704	select CPU_SUPPORTS_32BIT_KERNEL
1705	select DMA_NONCOHERENT
1706	select IRQ_MIPS_CPU
1707	select SWAP_IO_SPACE
1708	select WEAK_ORDERING
1709	select CPU_SUPPORTS_HIGHMEM
1710	select CPU_HAS_PREFETCH
1711	select CPU_SUPPORTS_CPUFREQ
1712	select MIPS_EXTERNAL_TIMER
1713	help
1714	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1715
1716config CPU_XLR
1717	bool "Netlogic XLR SoC"
1718	depends on SYS_HAS_CPU_XLR
1719	select CPU_SUPPORTS_32BIT_KERNEL
1720	select CPU_SUPPORTS_64BIT_KERNEL
1721	select CPU_SUPPORTS_HIGHMEM
1722	select CPU_SUPPORTS_HUGEPAGES
1723	select WEAK_ORDERING
1724	select WEAK_REORDERING_BEYOND_LLSC
1725	help
1726	  Netlogic Microsystems XLR/XLS processors.
1727
1728config CPU_XLP
1729	bool "Netlogic XLP SoC"
1730	depends on SYS_HAS_CPU_XLP
1731	select CPU_SUPPORTS_32BIT_KERNEL
1732	select CPU_SUPPORTS_64BIT_KERNEL
1733	select CPU_SUPPORTS_HIGHMEM
1734	select WEAK_ORDERING
1735	select WEAK_REORDERING_BEYOND_LLSC
1736	select CPU_HAS_PREFETCH
1737	select CPU_MIPSR2
1738	select CPU_SUPPORTS_HUGEPAGES
1739	select MIPS_ASID_BITS_VARIABLE
1740	help
1741	  Netlogic Microsystems XLP processors.
1742endchoice
1743
1744config CPU_MIPS32_3_5_FEATURES
1745	bool "MIPS32 Release 3.5 Features"
1746	depends on SYS_HAS_CPU_MIPS32_R3_5
1747	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1748	help
1749	  Choose this option to build a kernel for release 2 or later of the
1750	  MIPS32 architecture including features from the 3.5 release such as
1751	  support for Enhanced Virtual Addressing (EVA).
1752
1753config CPU_MIPS32_3_5_EVA
1754	bool "Enhanced Virtual Addressing (EVA)"
1755	depends on CPU_MIPS32_3_5_FEATURES
1756	select EVA
1757	default y
1758	help
1759	  Choose this option if you want to enable the Enhanced Virtual
1760	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1761	  One of its primary benefits is an increase in the maximum size
1762	  of lowmem (up to 3GB). If unsure, say 'N' here.
1763
1764config CPU_MIPS32_R5_FEATURES
1765	bool "MIPS32 Release 5 Features"
1766	depends on SYS_HAS_CPU_MIPS32_R5
1767	depends on CPU_MIPS32_R2
1768	help
1769	  Choose this option to build a kernel for release 2 or later of the
1770	  MIPS32 architecture including features from release 5 such as
1771	  support for Extended Physical Addressing (XPA).
1772
1773config CPU_MIPS32_R5_XPA
1774	bool "Extended Physical Addressing (XPA)"
1775	depends on CPU_MIPS32_R5_FEATURES
1776	depends on !EVA
1777	depends on !PAGE_SIZE_4KB
1778	depends on SYS_SUPPORTS_HIGHMEM
1779	select XPA
1780	select HIGHMEM
1781	select ARCH_PHYS_ADDR_T_64BIT
1782	default n
1783	help
1784	  Choose this option if you want to enable the Extended Physical
1785	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1786	  benefit is to increase physical addressing equal to or greater
1787	  than 40 bits. Note that this has the side effect of turning on
1788	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1789	  If unsure, say 'N' here.
1790
1791if CPU_LOONGSON2F
1792config CPU_NOP_WORKAROUNDS
1793	bool
1794
1795config CPU_JUMP_WORKAROUNDS
1796	bool
1797
1798config CPU_LOONGSON2F_WORKAROUNDS
1799	bool "Loongson 2F Workarounds"
1800	default y
1801	select CPU_NOP_WORKAROUNDS
1802	select CPU_JUMP_WORKAROUNDS
1803	help
1804	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1805	  require workarounds.  Without workarounds the system may hang
1806	  unexpectedly.  For more information please refer to the gas
1807	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1808
1809	  Loongson 2F03 and later have fixed these issues and no workarounds
1810	  are needed.  The workarounds have no significant side effect on them
1811	  but may decrease the performance of the system so this option should
1812	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1813	  systems.
1814
1815	  If unsure, please say Y.
1816endif # CPU_LOONGSON2F
1817
1818config SYS_SUPPORTS_ZBOOT
1819	bool
1820	select HAVE_KERNEL_GZIP
1821	select HAVE_KERNEL_BZIP2
1822	select HAVE_KERNEL_LZ4
1823	select HAVE_KERNEL_LZMA
1824	select HAVE_KERNEL_LZO
1825	select HAVE_KERNEL_XZ
1826
1827config SYS_SUPPORTS_ZBOOT_UART16550
1828	bool
1829	select SYS_SUPPORTS_ZBOOT
1830
1831config SYS_SUPPORTS_ZBOOT_UART_PROM
1832	bool
1833	select SYS_SUPPORTS_ZBOOT
1834
1835config CPU_LOONGSON2
1836	bool
1837	select CPU_SUPPORTS_32BIT_KERNEL
1838	select CPU_SUPPORTS_64BIT_KERNEL
1839	select CPU_SUPPORTS_HIGHMEM
1840	select CPU_SUPPORTS_HUGEPAGES
1841
1842config CPU_LOONGSON1
1843	bool
1844	select CPU_MIPS32
1845	select CPU_MIPSR2
1846	select CPU_HAS_PREFETCH
1847	select CPU_SUPPORTS_32BIT_KERNEL
1848	select CPU_SUPPORTS_HIGHMEM
1849	select CPU_SUPPORTS_CPUFREQ
1850
1851config CPU_BMIPS32_3300
1852	select SMP_UP if SMP
1853	bool
1854
1855config CPU_BMIPS4350
1856	bool
1857	select SYS_SUPPORTS_SMP
1858	select SYS_SUPPORTS_HOTPLUG_CPU
1859
1860config CPU_BMIPS4380
1861	bool
1862	select MIPS_L1_CACHE_SHIFT_6
1863	select SYS_SUPPORTS_SMP
1864	select SYS_SUPPORTS_HOTPLUG_CPU
1865	select CPU_HAS_RIXI
1866
1867config CPU_BMIPS5000
1868	bool
1869	select MIPS_CPU_SCACHE
1870	select MIPS_L1_CACHE_SHIFT_7
1871	select SYS_SUPPORTS_SMP
1872	select SYS_SUPPORTS_HOTPLUG_CPU
1873	select CPU_HAS_RIXI
1874
1875config SYS_HAS_CPU_LOONGSON3
1876	bool
1877	select CPU_SUPPORTS_CPUFREQ
1878	select CPU_HAS_RIXI
1879
1880config SYS_HAS_CPU_LOONGSON2E
1881	bool
1882
1883config SYS_HAS_CPU_LOONGSON2F
1884	bool
1885	select CPU_SUPPORTS_CPUFREQ
1886	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1887	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1888
1889config SYS_HAS_CPU_LOONGSON1B
1890	bool
1891
1892config SYS_HAS_CPU_LOONGSON1C
1893	bool
1894
1895config SYS_HAS_CPU_MIPS32_R1
1896	bool
1897
1898config SYS_HAS_CPU_MIPS32_R2
1899	bool
1900
1901config SYS_HAS_CPU_MIPS32_R3_5
1902	bool
1903
1904config SYS_HAS_CPU_MIPS32_R5
1905	bool
1906
1907config SYS_HAS_CPU_MIPS32_R6
1908	bool
1909
1910config SYS_HAS_CPU_MIPS64_R1
1911	bool
1912
1913config SYS_HAS_CPU_MIPS64_R2
1914	bool
1915
1916config SYS_HAS_CPU_MIPS64_R6
1917	bool
1918
1919config SYS_HAS_CPU_R3000
1920	bool
1921
1922config SYS_HAS_CPU_TX39XX
1923	bool
1924
1925config SYS_HAS_CPU_VR41XX
1926	bool
1927
1928config SYS_HAS_CPU_R4300
1929	bool
1930
1931config SYS_HAS_CPU_R4X00
1932	bool
1933
1934config SYS_HAS_CPU_TX49XX
1935	bool
1936
1937config SYS_HAS_CPU_R5000
1938	bool
1939
1940config SYS_HAS_CPU_R5432
1941	bool
1942
1943config SYS_HAS_CPU_R5500
1944	bool
1945
1946config SYS_HAS_CPU_NEVADA
1947	bool
1948
1949config SYS_HAS_CPU_R8000
1950	bool
1951
1952config SYS_HAS_CPU_R10000
1953	bool
1954
1955config SYS_HAS_CPU_RM7000
1956	bool
1957
1958config SYS_HAS_CPU_SB1
1959	bool
1960
1961config SYS_HAS_CPU_CAVIUM_OCTEON
1962	bool
1963
1964config SYS_HAS_CPU_BMIPS
1965	bool
1966
1967config SYS_HAS_CPU_BMIPS32_3300
1968	bool
1969	select SYS_HAS_CPU_BMIPS
1970
1971config SYS_HAS_CPU_BMIPS4350
1972	bool
1973	select SYS_HAS_CPU_BMIPS
1974
1975config SYS_HAS_CPU_BMIPS4380
1976	bool
1977	select SYS_HAS_CPU_BMIPS
1978
1979config SYS_HAS_CPU_BMIPS5000
1980	bool
1981	select SYS_HAS_CPU_BMIPS
1982
1983config SYS_HAS_CPU_XLR
1984	bool
1985
1986config SYS_HAS_CPU_XLP
1987	bool
1988
1989config MIPS_MALTA_PM
1990	depends on MIPS_MALTA
1991	depends on PCI
1992	bool
1993	default y
1994
1995#
1996# CPU may reorder R->R, R->W, W->R, W->W
1997# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1998#
1999config WEAK_ORDERING
2000	bool
2001
2002#
2003# CPU may reorder reads and writes beyond LL/SC
2004# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2005#
2006config WEAK_REORDERING_BEYOND_LLSC
2007	bool
2008endmenu
2009
2010#
2011# These two indicate any level of the MIPS32 and MIPS64 architecture
2012#
2013config CPU_MIPS32
2014	bool
2015	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2016
2017config CPU_MIPS64
2018	bool
2019	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2020
2021#
2022# These two indicate the revision of the architecture, either Release 1 or Release 2
2023#
2024config CPU_MIPSR1
2025	bool
2026	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2027
2028config CPU_MIPSR2
2029	bool
2030	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2031	select CPU_HAS_RIXI
2032	select MIPS_SPRAM
2033
2034config CPU_MIPSR6
2035	bool
2036	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2037	select CPU_HAS_RIXI
2038	select HAVE_ARCH_BITREVERSE
2039	select MIPS_ASID_BITS_VARIABLE
2040	select MIPS_SPRAM
2041
2042config EVA
2043	bool
2044
2045config XPA
2046	bool
2047
2048config SYS_SUPPORTS_32BIT_KERNEL
2049	bool
2050config SYS_SUPPORTS_64BIT_KERNEL
2051	bool
2052config CPU_SUPPORTS_32BIT_KERNEL
2053	bool
2054config CPU_SUPPORTS_64BIT_KERNEL
2055	bool
2056config CPU_SUPPORTS_CPUFREQ
2057	bool
2058config CPU_SUPPORTS_ADDRWINCFG
2059	bool
2060config CPU_SUPPORTS_HUGEPAGES
2061	bool
2062config CPU_SUPPORTS_UNCACHED_ACCELERATED
2063	bool
2064config MIPS_PGD_C0_CONTEXT
2065	bool
2066	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2067
2068#
2069# Set to y for ptrace access to watch registers.
2070#
2071config HARDWARE_WATCHPOINTS
2072       bool
2073       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2074
2075menu "Kernel type"
2076
2077choice
2078	prompt "Kernel code model"
2079	help
2080	  You should only select this option if you have a workload that
2081	  actually benefits from 64-bit processing or if your machine has
2082	  large memory.  You will only be presented a single option in this
2083	  menu if your system does not support both 32-bit and 64-bit kernels.
2084
2085config 32BIT
2086	bool "32-bit kernel"
2087	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2088	select TRAD_SIGNALS
2089	help
2090	  Select this option if you want to build a 32-bit kernel.
2091
2092config 64BIT
2093	bool "64-bit kernel"
2094	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2095	help
2096	  Select this option if you want to build a 64-bit kernel.
2097
2098endchoice
2099
2100config KVM_GUEST
2101	bool "KVM Guest Kernel"
2102	depends on BROKEN_ON_SMP
2103	help
2104	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2105	  mode.
2106
2107config KVM_GUEST_TIMER_FREQ
2108	int "Count/Compare Timer Frequency (MHz)"
2109	depends on KVM_GUEST
2110	default 100
2111	help
2112	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2113	  emulation when determining guest CPU Frequency. Instead, the guest's
2114	  timer frequency is specified directly.
2115
2116config MIPS_VA_BITS_48
2117	bool "48 bits virtual memory"
2118	depends on 64BIT
2119	help
2120	  Support a maximum at least 48 bits of application virtual
2121	  memory.  Default is 40 bits or less, depending on the CPU.
2122	  For page sizes 16k and above, this option results in a small
2123	  memory overhead for page tables.  For 4k page size, a fourth
2124	  level of page tables is added which imposes both a memory
2125	  overhead as well as slower TLB fault handling.
2126
2127	  If unsure, say N.
2128
2129choice
2130	prompt "Kernel page size"
2131	default PAGE_SIZE_4KB
2132
2133config PAGE_SIZE_4KB
2134	bool "4kB"
2135	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2136	help
2137	 This option select the standard 4kB Linux page size.  On some
2138	 R3000-family processors this is the only available page size.  Using
2139	 4kB page size will minimize memory consumption and is therefore
2140	 recommended for low memory systems.
2141
2142config PAGE_SIZE_8KB
2143	bool "8kB"
2144	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2145	depends on !MIPS_VA_BITS_48
2146	help
2147	  Using 8kB page size will result in higher performance kernel at
2148	  the price of higher memory consumption.  This option is available
2149	  only on R8000 and cnMIPS processors.  Note that you will need a
2150	  suitable Linux distribution to support this.
2151
2152config PAGE_SIZE_16KB
2153	bool "16kB"
2154	depends on !CPU_R3000 && !CPU_TX39XX
2155	help
2156	  Using 16kB page size will result in higher performance kernel at
2157	  the price of higher memory consumption.  This option is available on
2158	  all non-R3000 family processors.  Note that you will need a suitable
2159	  Linux distribution to support this.
2160
2161config PAGE_SIZE_32KB
2162	bool "32kB"
2163	depends on CPU_CAVIUM_OCTEON
2164	depends on !MIPS_VA_BITS_48
2165	help
2166	  Using 32kB page size will result in higher performance kernel at
2167	  the price of higher memory consumption.  This option is available
2168	  only on cnMIPS cores.  Note that you will need a suitable Linux
2169	  distribution to support this.
2170
2171config PAGE_SIZE_64KB
2172	bool "64kB"
2173	depends on !CPU_R3000 && !CPU_TX39XX
2174	help
2175	  Using 64kB page size will result in higher performance kernel at
2176	  the price of higher memory consumption.  This option is available on
2177	  all non-R3000 family processor.  Not that at the time of this
2178	  writing this option is still high experimental.
2179
2180endchoice
2181
2182config FORCE_MAX_ZONEORDER
2183	int "Maximum zone order"
2184	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2185	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2186	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2187	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2188	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2189	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2190	range 11 64
2191	default "11"
2192	help
2193	  The kernel memory allocator divides physically contiguous memory
2194	  blocks into "zones", where each zone is a power of two number of
2195	  pages.  This option selects the largest power of two that the kernel
2196	  keeps in the memory allocator.  If you need to allocate very large
2197	  blocks of physically contiguous memory, then you may need to
2198	  increase this value.
2199
2200	  This config option is actually maximum order plus one. For example,
2201	  a value of 11 means that the largest free memory block is 2^10 pages.
2202
2203	  The page size is not necessarily 4KB.  Keep this in mind
2204	  when choosing a value for this option.
2205
2206config BOARD_SCACHE
2207	bool
2208
2209config IP22_CPU_SCACHE
2210	bool
2211	select BOARD_SCACHE
2212
2213#
2214# Support for a MIPS32 / MIPS64 style S-caches
2215#
2216config MIPS_CPU_SCACHE
2217	bool
2218	select BOARD_SCACHE
2219
2220config R5000_CPU_SCACHE
2221	bool
2222	select BOARD_SCACHE
2223
2224config RM7000_CPU_SCACHE
2225	bool
2226	select BOARD_SCACHE
2227
2228config SIBYTE_DMA_PAGEOPS
2229	bool "Use DMA to clear/copy pages"
2230	depends on CPU_SB1
2231	help
2232	  Instead of using the CPU to zero and copy pages, use a Data Mover
2233	  channel.  These DMA channels are otherwise unused by the standard
2234	  SiByte Linux port.  Seems to give a small performance benefit.
2235
2236config CPU_HAS_PREFETCH
2237	bool
2238
2239config CPU_GENERIC_DUMP_TLB
2240	bool
2241	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2242
2243config CPU_R4K_FPU
2244	bool
2245	default y if !(CPU_R3000 || CPU_TX39XX)
2246
2247config CPU_R4K_CACHE_TLB
2248	bool
2249	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2250
2251config MIPS_MT_SMP
2252	bool "MIPS MT SMP support (1 TC on each available VPE)"
2253	default y
2254	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2255	select CPU_MIPSR2_IRQ_VI
2256	select CPU_MIPSR2_IRQ_EI
2257	select SYNC_R4K
2258	select MIPS_MT
2259	select SMP
2260	select SMP_UP
2261	select SYS_SUPPORTS_SMP
2262	select SYS_SUPPORTS_SCHED_SMT
2263	select MIPS_PERF_SHARED_TC_COUNTERS
2264	help
2265	  This is a kernel model which is known as SMVP. This is supported
2266	  on cores with the MT ASE and uses the available VPEs to implement
2267	  virtual processors which supports SMP. This is equivalent to the
2268	  Intel Hyperthreading feature. For further information go to
2269	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2270
2271config MIPS_MT
2272	bool
2273
2274config SCHED_SMT
2275	bool "SMT (multithreading) scheduler support"
2276	depends on SYS_SUPPORTS_SCHED_SMT
2277	default n
2278	help
2279	  SMT scheduler support improves the CPU scheduler's decision making
2280	  when dealing with MIPS MT enabled cores at a cost of slightly
2281	  increased overhead in some places. If unsure say N here.
2282
2283config SYS_SUPPORTS_SCHED_SMT
2284	bool
2285
2286config SYS_SUPPORTS_MULTITHREADING
2287	bool
2288
2289config MIPS_MT_FPAFF
2290	bool "Dynamic FPU affinity for FP-intensive threads"
2291	default y
2292	depends on MIPS_MT_SMP
2293
2294config MIPSR2_TO_R6_EMULATOR
2295	bool "MIPS R2-to-R6 emulator"
2296	depends on CPU_MIPSR6
2297	default y
2298	help
2299	  Choose this option if you want to run non-R6 MIPS userland code.
2300	  Even if you say 'Y' here, the emulator will still be disabled by
2301	  default. You can enable it using the 'mipsr2emu' kernel option.
2302	  The only reason this is a build-time option is to save ~14K from the
2303	  final kernel image.
2304
2305config MIPS_VPE_LOADER
2306	bool "VPE loader support."
2307	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2308	select CPU_MIPSR2_IRQ_VI
2309	select CPU_MIPSR2_IRQ_EI
2310	select MIPS_MT
2311	help
2312	  Includes a loader for loading an elf relocatable object
2313	  onto another VPE and running it.
2314
2315config MIPS_VPE_LOADER_CMP
2316	bool
2317	default "y"
2318	depends on MIPS_VPE_LOADER && MIPS_CMP
2319
2320config MIPS_VPE_LOADER_MT
2321	bool
2322	default "y"
2323	depends on MIPS_VPE_LOADER && !MIPS_CMP
2324
2325config MIPS_VPE_LOADER_TOM
2326	bool "Load VPE program into memory hidden from linux"
2327	depends on MIPS_VPE_LOADER
2328	default y
2329	help
2330	  The loader can use memory that is present but has been hidden from
2331	  Linux using the kernel command line option "mem=xxMB". It's up to
2332	  you to ensure the amount you put in the option and the space your
2333	  program requires is less or equal to the amount physically present.
2334
2335config MIPS_VPE_APSP_API
2336	bool "Enable support for AP/SP API (RTLX)"
2337	depends on MIPS_VPE_LOADER
2338	help
2339
2340config MIPS_VPE_APSP_API_CMP
2341	bool
2342	default "y"
2343	depends on MIPS_VPE_APSP_API && MIPS_CMP
2344
2345config MIPS_VPE_APSP_API_MT
2346	bool
2347	default "y"
2348	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2349
2350config MIPS_CMP
2351	bool "MIPS CMP framework support (DEPRECATED)"
2352	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2353	select SMP
2354	select SYNC_R4K
2355	select SYS_SUPPORTS_SMP
2356	select WEAK_ORDERING
2357	default n
2358	help
2359	  Select this if you are using a bootloader which implements the "CMP
2360	  framework" protocol (ie. YAMON) and want your kernel to make use of
2361	  its ability to start secondary CPUs.
2362
2363	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2364	  instead of this.
2365
2366config MIPS_CPS
2367	bool "MIPS Coherent Processing System support"
2368	depends on SYS_SUPPORTS_MIPS_CPS
2369	select MIPS_CM
2370	select MIPS_CPS_PM if HOTPLUG_CPU
2371	select SMP
2372	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2373	select SYS_SUPPORTS_HOTPLUG_CPU
2374	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2375	select SYS_SUPPORTS_SMP
2376	select WEAK_ORDERING
2377	help
2378	  Select this if you wish to run an SMP kernel across multiple cores
2379	  within a MIPS Coherent Processing System. When this option is
2380	  enabled the kernel will probe for other cores and boot them with
2381	  no external assistance. It is safe to enable this when hardware
2382	  support is unavailable.
2383
2384config MIPS_CPS_PM
2385	depends on MIPS_CPS
2386	bool
2387
2388config MIPS_CM
2389	bool
2390	select MIPS_CPC
2391
2392config MIPS_CPC
2393	bool
2394
2395config SB1_PASS_2_WORKAROUNDS
2396	bool
2397	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2398	default y
2399
2400config SB1_PASS_2_1_WORKAROUNDS
2401	bool
2402	depends on CPU_SB1 && CPU_SB1_PASS_2
2403	default y
2404
2405
2406config ARCH_PHYS_ADDR_T_64BIT
2407       bool
2408
2409choice
2410	prompt "SmartMIPS or microMIPS ASE support"
2411
2412config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2413	bool "None"
2414	help
2415	  Select this if you want neither microMIPS nor SmartMIPS support
2416
2417config CPU_HAS_SMARTMIPS
2418	depends on SYS_SUPPORTS_SMARTMIPS
2419	bool "SmartMIPS"
2420	help
2421	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2422	  increased security at both hardware and software level for
2423	  smartcards.  Enabling this option will allow proper use of the
2424	  SmartMIPS instructions by Linux applications.  However a kernel with
2425	  this option will not work on a MIPS core without SmartMIPS core.  If
2426	  you don't know you probably don't have SmartMIPS and should say N
2427	  here.
2428
2429config CPU_MICROMIPS
2430	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2431	bool "microMIPS"
2432	help
2433	  When this option is enabled the kernel will be built using the
2434	  microMIPS ISA
2435
2436endchoice
2437
2438config CPU_HAS_MSA
2439	bool "Support for the MIPS SIMD Architecture"
2440	depends on CPU_SUPPORTS_MSA
2441	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2442	help
2443	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2444	  and a set of SIMD instructions to operate on them. When this option
2445	  is enabled the kernel will support allocating & switching MSA
2446	  vector register contexts. If you know that your kernel will only be
2447	  running on CPUs which do not support MSA or that your userland will
2448	  not be making use of it then you may wish to say N here to reduce
2449	  the size & complexity of your kernel.
2450
2451	  If unsure, say Y.
2452
2453config CPU_HAS_WB
2454	bool
2455
2456config XKS01
2457	bool
2458
2459config CPU_HAS_RIXI
2460	bool
2461
2462#
2463# Vectored interrupt mode is an R2 feature
2464#
2465config CPU_MIPSR2_IRQ_VI
2466	bool
2467
2468#
2469# Extended interrupt mode is an R2 feature
2470#
2471config CPU_MIPSR2_IRQ_EI
2472	bool
2473
2474config CPU_HAS_SYNC
2475	bool
2476	depends on !CPU_R3000
2477	default y
2478
2479#
2480# CPU non-features
2481#
2482config CPU_DADDI_WORKAROUNDS
2483	bool
2484
2485config CPU_R4000_WORKAROUNDS
2486	bool
2487	select CPU_R4400_WORKAROUNDS
2488
2489config CPU_R4400_WORKAROUNDS
2490	bool
2491
2492config MIPS_ASID_SHIFT
2493	int
2494	default 6 if CPU_R3000 || CPU_TX39XX
2495	default 4 if CPU_R8000
2496	default 0
2497
2498config MIPS_ASID_BITS
2499	int
2500	default 0 if MIPS_ASID_BITS_VARIABLE
2501	default 6 if CPU_R3000 || CPU_TX39XX
2502	default 8
2503
2504config MIPS_ASID_BITS_VARIABLE
2505	bool
2506
2507#
2508# - Highmem only makes sense for the 32-bit kernel.
2509# - The current highmem code will only work properly on physically indexed
2510#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2511#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2512#   moment we protect the user and offer the highmem option only on machines
2513#   where it's known to be safe.  This will not offer highmem on a few systems
2514#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2515#   indexed CPUs but we're playing safe.
2516# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2517#   know they might have memory configurations that could make use of highmem
2518#   support.
2519#
2520config HIGHMEM
2521	bool "High Memory Support"
2522	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2523
2524config CPU_SUPPORTS_HIGHMEM
2525	bool
2526
2527config SYS_SUPPORTS_HIGHMEM
2528	bool
2529
2530config SYS_SUPPORTS_SMARTMIPS
2531	bool
2532
2533config SYS_SUPPORTS_MICROMIPS
2534	bool
2535
2536config SYS_SUPPORTS_MIPS16
2537	bool
2538	help
2539	  This option must be set if a kernel might be executed on a MIPS16-
2540	  enabled CPU even if MIPS16 is not actually being used.  In other
2541	  words, it makes the kernel MIPS16-tolerant.
2542
2543config CPU_SUPPORTS_MSA
2544	bool
2545
2546config ARCH_FLATMEM_ENABLE
2547	def_bool y
2548	depends on !NUMA && !CPU_LOONGSON2
2549
2550config ARCH_DISCONTIGMEM_ENABLE
2551	bool
2552	default y if SGI_IP27
2553	help
2554	  Say Y to support efficient handling of discontiguous physical memory,
2555	  for architectures which are either NUMA (Non-Uniform Memory Access)
2556	  or have huge holes in the physical address space for other reasons.
2557	  See <file:Documentation/vm/numa> for more.
2558
2559config ARCH_SPARSEMEM_ENABLE
2560	bool
2561	select SPARSEMEM_STATIC
2562
2563config NUMA
2564	bool "NUMA Support"
2565	depends on SYS_SUPPORTS_NUMA
2566	help
2567	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2568	  Access).  This option improves performance on systems with more
2569	  than two nodes; on two node systems it is generally better to
2570	  leave it disabled; on single node systems disable this option
2571	  disabled.
2572
2573config SYS_SUPPORTS_NUMA
2574	bool
2575
2576config RELOCATABLE
2577	bool "Relocatable kernel"
2578	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2579	help
2580	  This builds a kernel image that retains relocation information
2581	  so it can be loaded someplace besides the default 1MB.
2582	  The relocations make the kernel binary about 15% larger,
2583	  but are discarded at runtime
2584
2585config RELOCATION_TABLE_SIZE
2586	hex "Relocation table size"
2587	depends on RELOCATABLE
2588	range 0x0 0x01000000
2589	default "0x00100000"
2590	---help---
2591	  A table of relocation data will be appended to the kernel binary
2592	  and parsed at boot to fix up the relocated kernel.
2593
2594	  This option allows the amount of space reserved for the table to be
2595	  adjusted, although the default of 1Mb should be ok in most cases.
2596
2597	  The build will fail and a valid size suggested if this is too small.
2598
2599	  If unsure, leave at the default value.
2600
2601config RANDOMIZE_BASE
2602	bool "Randomize the address of the kernel image"
2603	depends on RELOCATABLE
2604	---help---
2605	   Randomizes the physical and virtual address at which the
2606	   kernel image is loaded, as a security feature that
2607	   deters exploit attempts relying on knowledge of the location
2608	   of kernel internals.
2609
2610	   Entropy is generated using any coprocessor 0 registers available.
2611
2612	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2613
2614	   If unsure, say N.
2615
2616config RANDOMIZE_BASE_MAX_OFFSET
2617	hex "Maximum kASLR offset" if EXPERT
2618	depends on RANDOMIZE_BASE
2619	range 0x0 0x40000000 if EVA || 64BIT
2620	range 0x0 0x08000000
2621	default "0x01000000"
2622	---help---
2623	  When kASLR is active, this provides the maximum offset that will
2624	  be applied to the kernel image. It should be set according to the
2625	  amount of physical RAM available in the target system minus
2626	  PHYSICAL_START and must be a power of 2.
2627
2628	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2629	  EVA or 64-bit. The default is 16Mb.
2630
2631config NODES_SHIFT
2632	int
2633	default "6"
2634	depends on NEED_MULTIPLE_NODES
2635
2636config HW_PERF_EVENTS
2637	bool "Enable hardware performance counter support for perf events"
2638	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2639	default y
2640	help
2641	  Enable hardware performance counter support for perf events. If
2642	  disabled, perf events will use software events only.
2643
2644source "mm/Kconfig"
2645
2646config SMP
2647	bool "Multi-Processing support"
2648	depends on SYS_SUPPORTS_SMP
2649	help
2650	  This enables support for systems with more than one CPU. If you have
2651	  a system with only one CPU, say N. If you have a system with more
2652	  than one CPU, say Y.
2653
2654	  If you say N here, the kernel will run on uni- and multiprocessor
2655	  machines, but will use only one CPU of a multiprocessor machine. If
2656	  you say Y here, the kernel will run on many, but not all,
2657	  uniprocessor machines. On a uniprocessor machine, the kernel
2658	  will run faster if you say N here.
2659
2660	  People using multiprocessor machines who say Y here should also say
2661	  Y to "Enhanced Real Time Clock Support", below.
2662
2663	  See also the SMP-HOWTO available at
2664	  <http://www.tldp.org/docs.html#howto>.
2665
2666	  If you don't know what to do here, say N.
2667
2668config HOTPLUG_CPU
2669	bool "Support for hot-pluggable CPUs"
2670	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2671	help
2672	  Say Y here to allow turning CPUs off and on. CPUs can be
2673	  controlled through /sys/devices/system/cpu.
2674	  (Note: power management support will enable this option
2675	    automatically on SMP systems. )
2676	  Say N if you want to disable CPU hotplug.
2677
2678config SMP_UP
2679	bool
2680
2681config SYS_SUPPORTS_MIPS_CMP
2682	bool
2683
2684config SYS_SUPPORTS_MIPS_CPS
2685	bool
2686
2687config SYS_SUPPORTS_SMP
2688	bool
2689
2690config NR_CPUS_DEFAULT_4
2691	bool
2692
2693config NR_CPUS_DEFAULT_8
2694	bool
2695
2696config NR_CPUS_DEFAULT_16
2697	bool
2698
2699config NR_CPUS_DEFAULT_32
2700	bool
2701
2702config NR_CPUS_DEFAULT_64
2703	bool
2704
2705config NR_CPUS
2706	int "Maximum number of CPUs (2-256)"
2707	range 2 256
2708	depends on SMP
2709	default "4" if NR_CPUS_DEFAULT_4
2710	default "8" if NR_CPUS_DEFAULT_8
2711	default "16" if NR_CPUS_DEFAULT_16
2712	default "32" if NR_CPUS_DEFAULT_32
2713	default "64" if NR_CPUS_DEFAULT_64
2714	help
2715	  This allows you to specify the maximum number of CPUs which this
2716	  kernel will support.  The maximum supported value is 32 for 32-bit
2717	  kernel and 64 for 64-bit kernels; the minimum value which makes
2718	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2719	  and 2 for all others.
2720
2721	  This is purely to save memory - each supported CPU adds
2722	  approximately eight kilobytes to the kernel image.  For best
2723	  performance should round up your number of processors to the next
2724	  power of two.
2725
2726config MIPS_PERF_SHARED_TC_COUNTERS
2727	bool
2728
2729#
2730# Timer Interrupt Frequency Configuration
2731#
2732
2733choice
2734	prompt "Timer frequency"
2735	default HZ_250
2736	help
2737	 Allows the configuration of the timer frequency.
2738
2739	config HZ_24
2740		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2741
2742	config HZ_48
2743		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2744
2745	config HZ_100
2746		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2747
2748	config HZ_128
2749		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2750
2751	config HZ_250
2752		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2753
2754	config HZ_256
2755		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2756
2757	config HZ_1000
2758		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2759
2760	config HZ_1024
2761		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2762
2763endchoice
2764
2765config SYS_SUPPORTS_24HZ
2766	bool
2767
2768config SYS_SUPPORTS_48HZ
2769	bool
2770
2771config SYS_SUPPORTS_100HZ
2772	bool
2773
2774config SYS_SUPPORTS_128HZ
2775	bool
2776
2777config SYS_SUPPORTS_250HZ
2778	bool
2779
2780config SYS_SUPPORTS_256HZ
2781	bool
2782
2783config SYS_SUPPORTS_1000HZ
2784	bool
2785
2786config SYS_SUPPORTS_1024HZ
2787	bool
2788
2789config SYS_SUPPORTS_ARBIT_HZ
2790	bool
2791	default y if !SYS_SUPPORTS_24HZ && \
2792		     !SYS_SUPPORTS_48HZ && \
2793		     !SYS_SUPPORTS_100HZ && \
2794		     !SYS_SUPPORTS_128HZ && \
2795		     !SYS_SUPPORTS_250HZ && \
2796		     !SYS_SUPPORTS_256HZ && \
2797		     !SYS_SUPPORTS_1000HZ && \
2798		     !SYS_SUPPORTS_1024HZ
2799
2800config HZ
2801	int
2802	default 24 if HZ_24
2803	default 48 if HZ_48
2804	default 100 if HZ_100
2805	default 128 if HZ_128
2806	default 250 if HZ_250
2807	default 256 if HZ_256
2808	default 1000 if HZ_1000
2809	default 1024 if HZ_1024
2810
2811config SCHED_HRTICK
2812	def_bool HIGH_RES_TIMERS
2813
2814source "kernel/Kconfig.preempt"
2815
2816config KEXEC
2817	bool "Kexec system call"
2818	select KEXEC_CORE
2819	help
2820	  kexec is a system call that implements the ability to shutdown your
2821	  current kernel, and to start another kernel.  It is like a reboot
2822	  but it is independent of the system firmware.   And like a reboot
2823	  you can start any kernel with it, not just Linux.
2824
2825	  The name comes from the similarity to the exec system call.
2826
2827	  It is an ongoing process to be certain the hardware in a machine
2828	  is properly shutdown, so do not be surprised if this code does not
2829	  initially work for you.  As of this writing the exact hardware
2830	  interface is strongly in flux, so no good recommendation can be
2831	  made.
2832
2833config CRASH_DUMP
2834	bool "Kernel crash dumps"
2835	help
2836	  Generate crash dump after being started by kexec.
2837	  This should be normally only set in special crash dump kernels
2838	  which are loaded in the main kernel with kexec-tools into
2839	  a specially reserved region and then later executed after
2840	  a crash by kdump/kexec. The crash dump kernel must be compiled
2841	  to a memory address not used by the main kernel or firmware using
2842	  PHYSICAL_START.
2843
2844config PHYSICAL_START
2845	hex "Physical address where the kernel is loaded"
2846	default "0xffffffff84000000" if 64BIT
2847	default "0x84000000" if 32BIT
2848	depends on CRASH_DUMP
2849	help
2850	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2851	  If you plan to use kernel for capturing the crash dump change
2852	  this value to start of the reserved region (the "X" value as
2853	  specified in the "crashkernel=YM@XM" command line boot parameter
2854	  passed to the panic-ed kernel).
2855
2856config SECCOMP
2857	bool "Enable seccomp to safely compute untrusted bytecode"
2858	depends on PROC_FS
2859	default y
2860	help
2861	  This kernel feature is useful for number crunching applications
2862	  that may need to compute untrusted bytecode during their
2863	  execution. By using pipes or other transports made available to
2864	  the process as file descriptors supporting the read/write
2865	  syscalls, it's possible to isolate those applications in
2866	  their own address space using seccomp. Once seccomp is
2867	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2868	  and the task is only allowed to execute a few safe syscalls
2869	  defined by each seccomp mode.
2870
2871	  If unsure, say Y. Only embedded should say N here.
2872
2873config MIPS_O32_FP64_SUPPORT
2874	bool "Support for O32 binaries using 64-bit FP"
2875	depends on 32BIT || MIPS32_O32
2876	help
2877	  When this is enabled, the kernel will support use of 64-bit floating
2878	  point registers with binaries using the O32 ABI along with the
2879	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2880	  32-bit MIPS systems this support is at the cost of increasing the
2881	  size and complexity of the compiled FPU emulator. Thus if you are
2882	  running a MIPS32 system and know that none of your userland binaries
2883	  will require 64-bit floating point, you may wish to reduce the size
2884	  of your kernel & potentially improve FP emulation performance by
2885	  saying N here.
2886
2887	  Although binutils currently supports use of this flag the details
2888	  concerning its effect upon the O32 ABI in userland are still being
2889	  worked on. In order to avoid userland becoming dependant upon current
2890	  behaviour before the details have been finalised, this option should
2891	  be considered experimental and only enabled by those working upon
2892	  said details.
2893
2894	  If unsure, say N.
2895
2896config USE_OF
2897	bool
2898	select OF
2899	select OF_EARLY_FLATTREE
2900	select IRQ_DOMAIN
2901
2902config BUILTIN_DTB
2903	bool
2904
2905choice
2906	prompt "Kernel appended dtb support" if USE_OF
2907	default MIPS_NO_APPENDED_DTB
2908
2909	config MIPS_NO_APPENDED_DTB
2910		bool "None"
2911		help
2912		  Do not enable appended dtb support.
2913
2914	config MIPS_ELF_APPENDED_DTB
2915		bool "vmlinux"
2916		help
2917		  With this option, the boot code will look for a device tree binary
2918		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2919		  it is empty and the DTB can be appended using binutils command
2920		  objcopy:
2921
2922		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2923
2924		  This is meant as a backward compatiblity convenience for those
2925		  systems with a bootloader that can't be upgraded to accommodate
2926		  the documented boot protocol using a device tree.
2927
2928	config MIPS_RAW_APPENDED_DTB
2929		bool "vmlinux.bin or vmlinuz.bin"
2930		help
2931		  With this option, the boot code will look for a device tree binary
2932		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2933		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2934
2935		  This is meant as a backward compatibility convenience for those
2936		  systems with a bootloader that can't be upgraded to accommodate
2937		  the documented boot protocol using a device tree.
2938
2939		  Beware that there is very little in terms of protection against
2940		  this option being confused by leftover garbage in memory that might
2941		  look like a DTB header after a reboot if no actual DTB is appended
2942		  to vmlinux.bin.  Do not leave this option active in a production kernel
2943		  if you don't intend to always append a DTB.
2944endchoice
2945
2946choice
2947	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2948	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2949					 !MIPS_MALTA && \
2950					 !CAVIUM_OCTEON_SOC
2951	default MIPS_CMDLINE_FROM_BOOTLOADER
2952
2953	config MIPS_CMDLINE_FROM_DTB
2954		depends on USE_OF
2955		bool "Dtb kernel arguments if available"
2956
2957	config MIPS_CMDLINE_DTB_EXTEND
2958		depends on USE_OF
2959		bool "Extend dtb kernel arguments with bootloader arguments"
2960
2961	config MIPS_CMDLINE_FROM_BOOTLOADER
2962		bool "Bootloader kernel arguments if available"
2963
2964	config MIPS_CMDLINE_BUILTIN_EXTEND
2965		depends on CMDLINE_BOOL
2966		bool "Extend builtin kernel arguments with bootloader arguments"
2967endchoice
2968
2969endmenu
2970
2971config LOCKDEP_SUPPORT
2972	bool
2973	default y
2974
2975config STACKTRACE_SUPPORT
2976	bool
2977	default y
2978
2979config HAVE_LATENCYTOP_SUPPORT
2980	bool
2981	default y
2982
2983config PGTABLE_LEVELS
2984	int
2985	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
2986	default 3 if 64BIT && !PAGE_SIZE_64KB
2987	default 2
2988
2989source "init/Kconfig"
2990
2991source "kernel/Kconfig.freezer"
2992
2993menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2994
2995config HW_HAS_EISA
2996	bool
2997config HW_HAS_PCI
2998	bool
2999
3000config PCI
3001	bool "Support for PCI controller"
3002	depends on HW_HAS_PCI
3003	select PCI_DOMAINS
3004	help
3005	  Find out whether you have a PCI motherboard. PCI is the name of a
3006	  bus system, i.e. the way the CPU talks to the other stuff inside
3007	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3008	  say Y, otherwise N.
3009
3010config HT_PCI
3011	bool "Support for HT-linked PCI"
3012	default y
3013	depends on CPU_LOONGSON3
3014	select PCI
3015	select PCI_DOMAINS
3016	help
3017	  Loongson family machines use Hyper-Transport bus for inter-core
3018	  connection and device connection. The PCI bus is a subordinate
3019	  linked at HT. Choose Y for Loongson-3 based machines.
3020
3021config PCI_DOMAINS
3022	bool
3023
3024config PCI_DOMAINS_GENERIC
3025	bool
3026
3027config PCI_DRIVERS_GENERIC
3028	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3029	bool
3030
3031config PCI_DRIVERS_LEGACY
3032	def_bool !PCI_DRIVERS_GENERIC
3033	select NO_GENERIC_PCI_IOPORT_MAP
3034
3035source "drivers/pci/Kconfig"
3036
3037#
3038# ISA support is now enabled via select.  Too many systems still have the one
3039# or other ISA chip on the board that users don't know about so don't expect
3040# users to choose the right thing ...
3041#
3042config ISA
3043	bool
3044
3045config EISA
3046	bool "EISA support"
3047	depends on HW_HAS_EISA
3048	select ISA
3049	select GENERIC_ISA_DMA
3050	---help---
3051	  The Extended Industry Standard Architecture (EISA) bus was
3052	  developed as an open alternative to the IBM MicroChannel bus.
3053
3054	  The EISA bus provided some of the features of the IBM MicroChannel
3055	  bus while maintaining backward compatibility with cards made for
3056	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3057	  1995 when it was made obsolete by the PCI bus.
3058
3059	  Say Y here if you are building a kernel for an EISA-based machine.
3060
3061	  Otherwise, say N.
3062
3063source "drivers/eisa/Kconfig"
3064
3065config TC
3066	bool "TURBOchannel support"
3067	depends on MACH_DECSTATION
3068	help
3069	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3070	  processors.  TURBOchannel programming specifications are available
3071	  at:
3072	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3073	  and:
3074	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3075	  Linux driver support status is documented at:
3076	  <http://www.linux-mips.org/wiki/DECstation>
3077
3078config MMU
3079	bool
3080	default y
3081
3082config ARCH_MMAP_RND_BITS_MIN
3083	default 12 if 64BIT
3084	default 8
3085
3086config ARCH_MMAP_RND_BITS_MAX
3087	default 18 if 64BIT
3088	default 15
3089
3090config ARCH_MMAP_RND_COMPAT_BITS_MIN
3091       default 8
3092
3093config ARCH_MMAP_RND_COMPAT_BITS_MAX
3094       default 15
3095
3096config I8253
3097	bool
3098	select CLKSRC_I8253
3099	select CLKEVT_I8253
3100	select MIPS_EXTERNAL_TIMER
3101
3102config ZONE_DMA
3103	bool
3104
3105config ZONE_DMA32
3106	bool
3107
3108source "drivers/pcmcia/Kconfig"
3109
3110config RAPIDIO
3111	tristate "RapidIO support"
3112	depends on PCI
3113	default n
3114	help
3115	  If you say Y here, the kernel will include drivers and
3116	  infrastructure code to support RapidIO interconnect devices.
3117
3118source "drivers/rapidio/Kconfig"
3119
3120endmenu
3121
3122menu "Executable file formats"
3123
3124source "fs/Kconfig.binfmt"
3125
3126config TRAD_SIGNALS
3127	bool
3128
3129config MIPS32_COMPAT
3130	bool
3131
3132config COMPAT
3133	bool
3134
3135config SYSVIPC_COMPAT
3136	bool
3137
3138config MIPS32_O32
3139	bool "Kernel support for o32 binaries"
3140	depends on 64BIT
3141	select ARCH_WANT_OLD_COMPAT_IPC
3142	select COMPAT
3143	select MIPS32_COMPAT
3144	select SYSVIPC_COMPAT if SYSVIPC
3145	help
3146	  Select this option if you want to run o32 binaries.  These are pure
3147	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3148	  existing binaries are in this format.
3149
3150	  If unsure, say Y.
3151
3152config MIPS32_N32
3153	bool "Kernel support for n32 binaries"
3154	depends on 64BIT
3155	select COMPAT
3156	select MIPS32_COMPAT
3157	select SYSVIPC_COMPAT if SYSVIPC
3158	help
3159	  Select this option if you want to run n32 binaries.  These are
3160	  64-bit binaries using 32-bit quantities for addressing and certain
3161	  data that would normally be 64-bit.  They are used in special
3162	  cases.
3163
3164	  If unsure, say N.
3165
3166config BINFMT_ELF32
3167	bool
3168	default y if MIPS32_O32 || MIPS32_N32
3169	select ELFCORE
3170
3171endmenu
3172
3173menu "Power management options"
3174
3175config ARCH_HIBERNATION_POSSIBLE
3176	def_bool y
3177	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3178
3179config ARCH_SUSPEND_POSSIBLE
3180	def_bool y
3181	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3182
3183source "kernel/power/Kconfig"
3184
3185endmenu
3186
3187config MIPS_EXTERNAL_TIMER
3188	bool
3189
3190menu "CPU Power Management"
3191
3192if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3193source "drivers/cpufreq/Kconfig"
3194endif
3195
3196source "drivers/cpuidle/Kconfig"
3197
3198endmenu
3199
3200source "net/Kconfig"
3201
3202source "drivers/Kconfig"
3203
3204source "drivers/firmware/Kconfig"
3205
3206source "fs/Kconfig"
3207
3208source "arch/mips/Kconfig.debug"
3209
3210source "security/Kconfig"
3211
3212source "crypto/Kconfig"
3213
3214source "lib/Kconfig"
3215
3216source "arch/mips/kvm/Kconfig"
3217