xref: /openbmc/linux/arch/mips/Kconfig (revision 8e694cd2)
1config MIPS
2	bool
3	default y
4	select ARCH_SUPPORTS_UPROBES
5	select ARCH_MIGHT_HAVE_PC_PARPORT
6	select ARCH_MIGHT_HAVE_PC_SERIO
7	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
8	select ARCH_USE_BUILTIN_BSWAP
9	select HAVE_CONTEXT_TRACKING
10	select HAVE_GENERIC_DMA_COHERENT
11	select HAVE_IDE
12	select HAVE_OPROFILE
13	select HAVE_PERF_EVENTS
14	select PERF_USE_VMALLOC
15	select HAVE_ARCH_KGDB
16	select HAVE_ARCH_SECCOMP_FILTER
17	select HAVE_ARCH_TRACEHOOK
18	select HAVE_CBPF_JIT if !CPU_MICROMIPS
19	select HAVE_FUNCTION_TRACER
20	select HAVE_DYNAMIC_FTRACE
21	select HAVE_FTRACE_MCOUNT_RECORD
22	select HAVE_C_RECORDMCOUNT
23	select HAVE_FUNCTION_GRAPH_TRACER
24	select HAVE_KPROBES
25	select HAVE_KRETPROBES
26	select HAVE_SYSCALL_TRACEPOINTS
27	select HAVE_DEBUG_KMEMLEAK
28	select HAVE_SYSCALL_TRACEPOINTS
29	select ARCH_HAS_ELF_RANDOMIZE
30	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
31	select RTC_LIB if !MACH_LOONGSON64
32	select GENERIC_ATOMIC64 if !64BIT
33	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
34	select HAVE_DMA_CONTIGUOUS
35	select HAVE_DMA_API_DEBUG
36	select GENERIC_IRQ_PROBE
37	select GENERIC_IRQ_SHOW
38	select GENERIC_PCI_IOMAP
39	select HAVE_ARCH_JUMP_LABEL
40	select ARCH_WANT_IPC_PARSE_VERSION
41	select IRQ_FORCED_THREADING
42	select HAVE_MEMBLOCK
43	select HAVE_MEMBLOCK_NODE_MAP
44	select ARCH_DISCARD_MEMBLOCK
45	select GENERIC_SMP_IDLE_THREAD
46	select BUILDTIME_EXTABLE_SORT
47	select GENERIC_CLOCKEVENTS
48	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49	select GENERIC_CMOS_UPDATE
50	select HAVE_MOD_ARCH_SPECIFIC
51	select HAVE_NMI
52	select VIRT_TO_BUS
53	select MODULES_USE_ELF_REL if MODULES
54	select MODULES_USE_ELF_RELA if MODULES && 64BIT
55	select CLONE_BACKWARDS
56	select HAVE_DEBUG_STACKOVERFLOW
57	select HAVE_CC_STACKPROTECTOR
58	select CPU_PM if CPU_IDLE
59	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
60	select ARCH_BINFMT_ELF_STATE
61	select SYSCTL_EXCEPTION_TRACE
62	select HAVE_VIRT_CPU_ACCOUNTING_GEN
63	select HAVE_IRQ_TIME_ACCOUNTING
64	select GENERIC_TIME_VSYSCALL
65	select ARCH_CLOCKSOURCE_DATA
66	select HANDLE_DOMAIN_IRQ
67
68menu "Machine selection"
69
70choice
71	prompt "System type"
72	default SGI_IP22
73
74config MIPS_ALCHEMY
75	bool "Alchemy processor based machines"
76	select ARCH_PHYS_ADDR_T_64BIT
77	select CEVT_R4K
78	select CSRC_R4K
79	select IRQ_MIPS_CPU
80	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
81	select SYS_HAS_CPU_MIPS32_R1
82	select SYS_SUPPORTS_32BIT_KERNEL
83	select SYS_SUPPORTS_APM_EMULATION
84	select GPIOLIB
85	select SYS_SUPPORTS_ZBOOT
86	select COMMON_CLK
87
88config AR7
89	bool "Texas Instruments AR7"
90	select BOOT_ELF32
91	select DMA_NONCOHERENT
92	select CEVT_R4K
93	select CSRC_R4K
94	select IRQ_MIPS_CPU
95	select NO_EXCEPT_FILL
96	select SWAP_IO_SPACE
97	select SYS_HAS_CPU_MIPS32_R1
98	select SYS_HAS_EARLY_PRINTK
99	select SYS_SUPPORTS_32BIT_KERNEL
100	select SYS_SUPPORTS_LITTLE_ENDIAN
101	select SYS_SUPPORTS_MIPS16
102	select SYS_SUPPORTS_ZBOOT_UART16550
103	select GPIOLIB
104	select VLYNQ
105	select HAVE_CLK
106	help
107	  Support for the Texas Instruments AR7 System-on-a-Chip
108	  family: TNETD7100, 7200 and 7300.
109
110config ATH25
111	bool "Atheros AR231x/AR531x SoC support"
112	select CEVT_R4K
113	select CSRC_R4K
114	select DMA_NONCOHERENT
115	select IRQ_MIPS_CPU
116	select IRQ_DOMAIN
117	select SYS_HAS_CPU_MIPS32_R1
118	select SYS_SUPPORTS_BIG_ENDIAN
119	select SYS_SUPPORTS_32BIT_KERNEL
120	select SYS_HAS_EARLY_PRINTK
121	help
122	  Support for Atheros AR231x and Atheros AR531x based boards
123
124config ATH79
125	bool "Atheros AR71XX/AR724X/AR913X based boards"
126	select ARCH_HAS_RESET_CONTROLLER
127	select BOOT_RAW
128	select CEVT_R4K
129	select CSRC_R4K
130	select DMA_NONCOHERENT
131	select GPIOLIB
132	select HAVE_CLK
133	select COMMON_CLK
134	select CLKDEV_LOOKUP
135	select IRQ_MIPS_CPU
136	select MIPS_MACHINE
137	select SYS_HAS_CPU_MIPS32_R2
138	select SYS_HAS_EARLY_PRINTK
139	select SYS_SUPPORTS_32BIT_KERNEL
140	select SYS_SUPPORTS_BIG_ENDIAN
141	select SYS_SUPPORTS_MIPS16
142	select SYS_SUPPORTS_ZBOOT_UART_PROM
143	select USE_OF
144	help
145	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
146
147config BMIPS_GENERIC
148	bool "Broadcom Generic BMIPS kernel"
149	select BOOT_RAW
150	select NO_EXCEPT_FILL
151	select USE_OF
152	select CEVT_R4K
153	select CSRC_R4K
154	select SYNC_R4K
155	select COMMON_CLK
156	select BCM6345_L1_IRQ
157	select BCM7038_L1_IRQ
158	select BCM7120_L2_IRQ
159	select BRCMSTB_L2_IRQ
160	select IRQ_MIPS_CPU
161	select DMA_NONCOHERENT
162	select SYS_SUPPORTS_32BIT_KERNEL
163	select SYS_SUPPORTS_LITTLE_ENDIAN
164	select SYS_SUPPORTS_BIG_ENDIAN
165	select SYS_SUPPORTS_HIGHMEM
166	select SYS_HAS_CPU_BMIPS32_3300
167	select SYS_HAS_CPU_BMIPS4350
168	select SYS_HAS_CPU_BMIPS4380
169	select SYS_HAS_CPU_BMIPS5000
170	select SWAP_IO_SPACE
171	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
172	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
173	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
174	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
175	help
176	  Build a generic DT-based kernel image that boots on select
177	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
178	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
179	  must be set appropriately for your board.
180
181config BCM47XX
182	bool "Broadcom BCM47XX based boards"
183	select BOOT_RAW
184	select CEVT_R4K
185	select CSRC_R4K
186	select DMA_NONCOHERENT
187	select HW_HAS_PCI
188	select IRQ_MIPS_CPU
189	select SYS_HAS_CPU_MIPS32_R1
190	select NO_EXCEPT_FILL
191	select SYS_SUPPORTS_32BIT_KERNEL
192	select SYS_SUPPORTS_LITTLE_ENDIAN
193	select SYS_SUPPORTS_MIPS16
194	select SYS_HAS_EARLY_PRINTK
195	select USE_GENERIC_EARLY_PRINTK_8250
196	select GPIOLIB
197	select LEDS_GPIO_REGISTER
198	select BCM47XX_NVRAM
199	select BCM47XX_SPROM
200	help
201	 Support for BCM47XX based boards
202
203config BCM63XX
204	bool "Broadcom BCM63XX based boards"
205	select BOOT_RAW
206	select CEVT_R4K
207	select CSRC_R4K
208	select SYNC_R4K
209	select DMA_NONCOHERENT
210	select IRQ_MIPS_CPU
211	select SYS_SUPPORTS_32BIT_KERNEL
212	select SYS_SUPPORTS_BIG_ENDIAN
213	select SYS_HAS_EARLY_PRINTK
214	select SWAP_IO_SPACE
215	select GPIOLIB
216	select HAVE_CLK
217	select MIPS_L1_CACHE_SHIFT_4
218	help
219	 Support for BCM63XX based boards
220
221config MIPS_COBALT
222	bool "Cobalt Server"
223	select CEVT_R4K
224	select CSRC_R4K
225	select CEVT_GT641XX
226	select DMA_NONCOHERENT
227	select HW_HAS_PCI
228	select I8253
229	select I8259
230	select IRQ_MIPS_CPU
231	select IRQ_GT641XX
232	select PCI_GT64XXX_PCI0
233	select PCI
234	select SYS_HAS_CPU_NEVADA
235	select SYS_HAS_EARLY_PRINTK
236	select SYS_SUPPORTS_32BIT_KERNEL
237	select SYS_SUPPORTS_64BIT_KERNEL
238	select SYS_SUPPORTS_LITTLE_ENDIAN
239	select USE_GENERIC_EARLY_PRINTK_8250
240
241config MACH_DECSTATION
242	bool "DECstations"
243	select BOOT_ELF32
244	select CEVT_DS1287
245	select CEVT_R4K if CPU_R4X00
246	select CSRC_IOASIC
247	select CSRC_R4K if CPU_R4X00
248	select CPU_DADDI_WORKAROUNDS if 64BIT
249	select CPU_R4000_WORKAROUNDS if 64BIT
250	select CPU_R4400_WORKAROUNDS if 64BIT
251	select DMA_NONCOHERENT
252	select NO_IOPORT_MAP
253	select IRQ_MIPS_CPU
254	select SYS_HAS_CPU_R3000
255	select SYS_HAS_CPU_R4X00
256	select SYS_SUPPORTS_32BIT_KERNEL
257	select SYS_SUPPORTS_64BIT_KERNEL
258	select SYS_SUPPORTS_LITTLE_ENDIAN
259	select SYS_SUPPORTS_128HZ
260	select SYS_SUPPORTS_256HZ
261	select SYS_SUPPORTS_1024HZ
262	select MIPS_L1_CACHE_SHIFT_4
263	help
264	  This enables support for DEC's MIPS based workstations.  For details
265	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
266	  DECstation porting pages on <http://decstation.unix-ag.org/>.
267
268	  If you have one of the following DECstation Models you definitely
269	  want to choose R4xx0 for the CPU Type:
270
271		DECstation 5000/50
272		DECstation 5000/150
273		DECstation 5000/260
274		DECsystem 5900/260
275
276	  otherwise choose R3000.
277
278config MACH_JAZZ
279	bool "Jazz family of machines"
280	select FW_ARC
281	select FW_ARC32
282	select ARCH_MAY_HAVE_PC_FDC
283	select CEVT_R4K
284	select CSRC_R4K
285	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
286	select GENERIC_ISA_DMA
287	select HAVE_PCSPKR_PLATFORM
288	select IRQ_MIPS_CPU
289	select I8253
290	select I8259
291	select ISA
292	select SYS_HAS_CPU_R4X00
293	select SYS_SUPPORTS_32BIT_KERNEL
294	select SYS_SUPPORTS_64BIT_KERNEL
295	select SYS_SUPPORTS_100HZ
296	help
297	 This a family of machines based on the MIPS R4030 chipset which was
298	 used by several vendors to build RISC/os and Windows NT workstations.
299	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
300	 Olivetti M700-10 workstations.
301
302config MACH_INGENIC
303	bool "Ingenic SoC based machines"
304	select SYS_SUPPORTS_32BIT_KERNEL
305	select SYS_SUPPORTS_LITTLE_ENDIAN
306	select SYS_SUPPORTS_ZBOOT_UART16550
307	select DMA_NONCOHERENT
308	select IRQ_MIPS_CPU
309	select GPIOLIB
310	select COMMON_CLK
311	select GENERIC_IRQ_CHIP
312	select BUILTIN_DTB
313	select USE_OF
314	select LIBFDT
315
316config LANTIQ
317	bool "Lantiq based platforms"
318	select DMA_NONCOHERENT
319	select IRQ_MIPS_CPU
320	select CEVT_R4K
321	select CSRC_R4K
322	select SYS_HAS_CPU_MIPS32_R1
323	select SYS_HAS_CPU_MIPS32_R2
324	select SYS_SUPPORTS_BIG_ENDIAN
325	select SYS_SUPPORTS_32BIT_KERNEL
326	select SYS_SUPPORTS_MIPS16
327	select SYS_SUPPORTS_MULTITHREADING
328	select SYS_HAS_EARLY_PRINTK
329	select GPIOLIB
330	select SWAP_IO_SPACE
331	select BOOT_RAW
332	select CLKDEV_LOOKUP
333	select USE_OF
334	select PINCTRL
335	select PINCTRL_LANTIQ
336	select ARCH_HAS_RESET_CONTROLLER
337	select RESET_CONTROLLER
338
339config LASAT
340	bool "LASAT Networks platforms"
341	select CEVT_R4K
342	select CRC32
343	select CSRC_R4K
344	select DMA_NONCOHERENT
345	select SYS_HAS_EARLY_PRINTK
346	select HW_HAS_PCI
347	select IRQ_MIPS_CPU
348	select PCI_GT64XXX_PCI0
349	select MIPS_NILE4
350	select R5000_CPU_SCACHE
351	select SYS_HAS_CPU_R5000
352	select SYS_SUPPORTS_32BIT_KERNEL
353	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
354	select SYS_SUPPORTS_LITTLE_ENDIAN
355
356config MACH_LOONGSON32
357	bool "Loongson-1 family of machines"
358	select SYS_SUPPORTS_ZBOOT
359	help
360	  This enables support for the Loongson-1 family of machines.
361
362	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
363	  the Institute of Computing Technology (ICT), Chinese Academy of
364	  Sciences (CAS).
365
366config MACH_LOONGSON64
367	bool "Loongson-2/3 family of machines"
368	select SYS_SUPPORTS_ZBOOT
369	help
370	  This enables the support of Loongson-2/3 family of machines.
371
372	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
373	  family of multi-core CPUs. They are both 64-bit general-purpose
374	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
375	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
376	  in the People's Republic of China. The chief architect is Professor
377	  Weiwu Hu.
378
379config MACH_PISTACHIO
380	bool "IMG Pistachio SoC based boards"
381	select BOOT_ELF32
382	select BOOT_RAW
383	select CEVT_R4K
384	select CLKSRC_MIPS_GIC
385	select COMMON_CLK
386	select CSRC_R4K
387	select DMA_MAYBE_COHERENT
388	select GPIOLIB
389	select IRQ_MIPS_CPU
390	select LIBFDT
391	select MFD_SYSCON
392	select MIPS_CPU_SCACHE
393	select MIPS_GIC
394	select PINCTRL
395	select REGULATOR
396	select SYS_HAS_CPU_MIPS32_R2
397	select SYS_SUPPORTS_32BIT_KERNEL
398	select SYS_SUPPORTS_LITTLE_ENDIAN
399	select SYS_SUPPORTS_MIPS_CPS
400	select SYS_SUPPORTS_MULTITHREADING
401	select SYS_SUPPORTS_RELOCATABLE
402	select SYS_SUPPORTS_ZBOOT
403	select SYS_HAS_EARLY_PRINTK
404	select USE_GENERIC_EARLY_PRINTK_8250
405	select USE_OF
406	help
407	  This enables support for the IMG Pistachio SoC platform.
408
409config MACH_XILFPGA
410	bool "MIPSfpga Xilinx based boards"
411	select BOOT_ELF32
412	select BOOT_RAW
413	select BUILTIN_DTB
414	select CEVT_R4K
415	select COMMON_CLK
416	select CSRC_R4K
417	select GPIOLIB
418	select IRQ_MIPS_CPU
419	select LIBFDT
420	select MIPS_CPU_SCACHE
421	select SYS_HAS_EARLY_PRINTK
422	select SYS_HAS_CPU_MIPS32_R2
423	select SYS_SUPPORTS_32BIT_KERNEL
424	select SYS_SUPPORTS_LITTLE_ENDIAN
425	select SYS_SUPPORTS_ZBOOT_UART16550
426	select USE_OF
427	select USE_GENERIC_EARLY_PRINTK_8250
428	help
429	  This enables support for the IMG University Program MIPSfpga platform.
430
431config MIPS_MALTA
432	bool "MIPS Malta board"
433	select ARCH_MAY_HAVE_PC_FDC
434	select BOOT_ELF32
435	select BOOT_RAW
436	select BUILTIN_DTB
437	select CEVT_R4K
438	select CSRC_R4K
439	select CLKSRC_MIPS_GIC
440	select COMMON_CLK
441	select DMA_MAYBE_COHERENT
442	select GENERIC_ISA_DMA
443	select HAVE_PCSPKR_PLATFORM
444	select IRQ_MIPS_CPU
445	select MIPS_GIC
446	select HW_HAS_PCI
447	select I8253
448	select I8259
449	select MIPS_BONITO64
450	select MIPS_CPU_SCACHE
451	select MIPS_L1_CACHE_SHIFT_6
452	select PCI_GT64XXX_PCI0
453	select MIPS_MSC
454	select SMP_UP if SMP
455	select SWAP_IO_SPACE
456	select SYS_HAS_CPU_MIPS32_R1
457	select SYS_HAS_CPU_MIPS32_R2
458	select SYS_HAS_CPU_MIPS32_R3_5
459	select SYS_HAS_CPU_MIPS32_R5
460	select SYS_HAS_CPU_MIPS32_R6
461	select SYS_HAS_CPU_MIPS64_R1
462	select SYS_HAS_CPU_MIPS64_R2
463	select SYS_HAS_CPU_MIPS64_R6
464	select SYS_HAS_CPU_NEVADA
465	select SYS_HAS_CPU_RM7000
466	select SYS_SUPPORTS_32BIT_KERNEL
467	select SYS_SUPPORTS_64BIT_KERNEL
468	select SYS_SUPPORTS_BIG_ENDIAN
469	select SYS_SUPPORTS_HIGHMEM
470	select SYS_SUPPORTS_LITTLE_ENDIAN
471	select SYS_SUPPORTS_MICROMIPS
472	select SYS_SUPPORTS_MIPS_CMP
473	select SYS_SUPPORTS_MIPS_CPS
474	select SYS_SUPPORTS_MIPS16
475	select SYS_SUPPORTS_MULTITHREADING
476	select SYS_SUPPORTS_SMARTMIPS
477	select SYS_SUPPORTS_ZBOOT
478	select SYS_SUPPORTS_RELOCATABLE
479	select USE_OF
480	select ZONE_DMA32 if 64BIT
481	select BUILTIN_DTB
482	select LIBFDT
483	help
484	  This enables support for the MIPS Technologies Malta evaluation
485	  board.
486
487config MACH_PIC32
488	bool "Microchip PIC32 Family"
489	help
490	  This enables support for the Microchip PIC32 family of platforms.
491
492	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
493	  microcontrollers.
494
495config MIPS_SEAD3
496	bool "MIPS SEAD3 board"
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 CPU_MIPSR2_IRQ_VI
505	select CPU_MIPSR2_IRQ_EI
506	select DMA_NONCOHERENT
507	select IRQ_MIPS_CPU
508	select MIPS_GIC
509	select LIBFDT
510	select MIPS_MSC
511	select SYS_HAS_CPU_MIPS32_R1
512	select SYS_HAS_CPU_MIPS32_R2
513	select SYS_HAS_CPU_MIPS32_R6
514	select SYS_HAS_CPU_MIPS64_R1
515	select SYS_HAS_EARLY_PRINTK
516	select SYS_SUPPORTS_32BIT_KERNEL
517	select SYS_SUPPORTS_64BIT_KERNEL
518	select SYS_SUPPORTS_BIG_ENDIAN
519	select SYS_SUPPORTS_LITTLE_ENDIAN
520	select SYS_SUPPORTS_SMARTMIPS
521	select SYS_SUPPORTS_MICROMIPS
522	select SYS_SUPPORTS_MIPS16
523	select SYS_SUPPORTS_RELOCATABLE
524	select USB_EHCI_BIG_ENDIAN_DESC
525	select USB_EHCI_BIG_ENDIAN_MMIO
526	select USE_OF
527	help
528	  This enables support for the MIPS Technologies SEAD3 evaluation
529	  board.
530
531config NEC_MARKEINS
532	bool "NEC EMMA2RH Mark-eins board"
533	select SOC_EMMA2RH
534	select HW_HAS_PCI
535	help
536	  This enables support for the NEC Electronics Mark-eins boards.
537
538config MACH_VR41XX
539	bool "NEC VR4100 series based machines"
540	select CEVT_R4K
541	select CSRC_R4K
542	select SYS_HAS_CPU_VR41XX
543	select SYS_SUPPORTS_MIPS16
544	select GPIOLIB
545
546config NXP_STB220
547	bool "NXP STB220 board"
548	select SOC_PNX833X
549	help
550	 Support for NXP Semiconductors STB220 Development Board.
551
552config NXP_STB225
553	bool "NXP 225 board"
554	select SOC_PNX833X
555	select SOC_PNX8335
556	help
557	 Support for NXP Semiconductors STB225 Development Board.
558
559config PMC_MSP
560	bool "PMC-Sierra MSP chipsets"
561	select CEVT_R4K
562	select CSRC_R4K
563	select DMA_NONCOHERENT
564	select SWAP_IO_SPACE
565	select NO_EXCEPT_FILL
566	select BOOT_RAW
567	select SYS_HAS_CPU_MIPS32_R1
568	select SYS_HAS_CPU_MIPS32_R2
569	select SYS_SUPPORTS_32BIT_KERNEL
570	select SYS_SUPPORTS_BIG_ENDIAN
571	select SYS_SUPPORTS_MIPS16
572	select IRQ_MIPS_CPU
573	select SERIAL_8250
574	select SERIAL_8250_CONSOLE
575	select USB_EHCI_BIG_ENDIAN_MMIO
576	select USB_EHCI_BIG_ENDIAN_DESC
577	help
578	  This adds support for the PMC-Sierra family of Multi-Service
579	  Processor System-On-A-Chips.  These parts include a number
580	  of integrated peripherals, interfaces and DSPs in addition to
581	  a variety of MIPS cores.
582
583config RALINK
584	bool "Ralink based machines"
585	select CEVT_R4K
586	select CSRC_R4K
587	select BOOT_RAW
588	select DMA_NONCOHERENT
589	select IRQ_MIPS_CPU
590	select USE_OF
591	select SYS_HAS_CPU_MIPS32_R1
592	select SYS_HAS_CPU_MIPS32_R2
593	select SYS_SUPPORTS_32BIT_KERNEL
594	select SYS_SUPPORTS_LITTLE_ENDIAN
595	select SYS_SUPPORTS_MIPS16
596	select SYS_HAS_EARLY_PRINTK
597	select CLKDEV_LOOKUP
598	select ARCH_HAS_RESET_CONTROLLER
599	select RESET_CONTROLLER
600
601config SGI_IP22
602	bool "SGI IP22 (Indy/Indigo2)"
603	select FW_ARC
604	select FW_ARC32
605	select BOOT_ELF32
606	select CEVT_R4K
607	select CSRC_R4K
608	select DEFAULT_SGI_PARTITION
609	select DMA_NONCOHERENT
610	select HW_HAS_EISA
611	select I8253
612	select I8259
613	select IP22_CPU_SCACHE
614	select IRQ_MIPS_CPU
615	select GENERIC_ISA_DMA_SUPPORT_BROKEN
616	select SGI_HAS_I8042
617	select SGI_HAS_INDYDOG
618	select SGI_HAS_HAL2
619	select SGI_HAS_SEEQ
620	select SGI_HAS_WD93
621	select SGI_HAS_ZILOG
622	select SWAP_IO_SPACE
623	select SYS_HAS_CPU_R4X00
624	select SYS_HAS_CPU_R5000
625	#
626	# Disable EARLY_PRINTK for now since it leads to overwritten prom
627	# memory during early boot on some machines.
628	#
629	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
630	# for a more details discussion
631	#
632	# select SYS_HAS_EARLY_PRINTK
633	select SYS_SUPPORTS_32BIT_KERNEL
634	select SYS_SUPPORTS_64BIT_KERNEL
635	select SYS_SUPPORTS_BIG_ENDIAN
636	select MIPS_L1_CACHE_SHIFT_7
637	help
638	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
639	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
640	  that runs on these, say Y here.
641
642config SGI_IP27
643	bool "SGI IP27 (Origin200/2000)"
644	select FW_ARC
645	select FW_ARC64
646	select BOOT_ELF64
647	select DEFAULT_SGI_PARTITION
648	select DMA_COHERENT
649	select SYS_HAS_EARLY_PRINTK
650	select HW_HAS_PCI
651	select NR_CPUS_DEFAULT_64
652	select SYS_HAS_CPU_R10000
653	select SYS_SUPPORTS_64BIT_KERNEL
654	select SYS_SUPPORTS_BIG_ENDIAN
655	select SYS_SUPPORTS_NUMA
656	select SYS_SUPPORTS_SMP
657	select MIPS_L1_CACHE_SHIFT_7
658	help
659	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
660	  workstations.  To compile a Linux kernel that runs on these, say Y
661	  here.
662
663config SGI_IP28
664	bool "SGI IP28 (Indigo2 R10k)"
665	select FW_ARC
666	select FW_ARC64
667	select BOOT_ELF64
668	select CEVT_R4K
669	select CSRC_R4K
670	select DEFAULT_SGI_PARTITION
671	select DMA_NONCOHERENT
672	select GENERIC_ISA_DMA_SUPPORT_BROKEN
673	select IRQ_MIPS_CPU
674	select HW_HAS_EISA
675	select I8253
676	select I8259
677	select SGI_HAS_I8042
678	select SGI_HAS_INDYDOG
679	select SGI_HAS_HAL2
680	select SGI_HAS_SEEQ
681	select SGI_HAS_WD93
682	select SGI_HAS_ZILOG
683	select SWAP_IO_SPACE
684	select SYS_HAS_CPU_R10000
685	#
686	# Disable EARLY_PRINTK for now since it leads to overwritten prom
687	# memory during early boot on some machines.
688	#
689	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
690	# for a more details discussion
691	#
692	# select SYS_HAS_EARLY_PRINTK
693	select SYS_SUPPORTS_64BIT_KERNEL
694	select SYS_SUPPORTS_BIG_ENDIAN
695	select MIPS_L1_CACHE_SHIFT_7
696      help
697        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
698        kernel that runs on these, say Y here.
699
700config SGI_IP32
701	bool "SGI IP32 (O2)"
702	select FW_ARC
703	select FW_ARC32
704	select BOOT_ELF32
705	select CEVT_R4K
706	select CSRC_R4K
707	select DMA_NONCOHERENT
708	select HW_HAS_PCI
709	select IRQ_MIPS_CPU
710	select R5000_CPU_SCACHE
711	select RM7000_CPU_SCACHE
712	select SYS_HAS_CPU_R5000
713	select SYS_HAS_CPU_R10000 if BROKEN
714	select SYS_HAS_CPU_RM7000
715	select SYS_HAS_CPU_NEVADA
716	select SYS_SUPPORTS_64BIT_KERNEL
717	select SYS_SUPPORTS_BIG_ENDIAN
718	help
719	  If you want this kernel to run on SGI O2 workstation, say Y here.
720
721config SIBYTE_CRHINE
722	bool "Sibyte BCM91120C-CRhine"
723	select BOOT_ELF32
724	select DMA_COHERENT
725	select SIBYTE_BCM1120
726	select SWAP_IO_SPACE
727	select SYS_HAS_CPU_SB1
728	select SYS_SUPPORTS_BIG_ENDIAN
729	select SYS_SUPPORTS_LITTLE_ENDIAN
730
731config SIBYTE_CARMEL
732	bool "Sibyte BCM91120x-Carmel"
733	select BOOT_ELF32
734	select DMA_COHERENT
735	select SIBYTE_BCM1120
736	select SWAP_IO_SPACE
737	select SYS_HAS_CPU_SB1
738	select SYS_SUPPORTS_BIG_ENDIAN
739	select SYS_SUPPORTS_LITTLE_ENDIAN
740
741config SIBYTE_CRHONE
742	bool "Sibyte BCM91125C-CRhone"
743	select BOOT_ELF32
744	select DMA_COHERENT
745	select SIBYTE_BCM1125
746	select SWAP_IO_SPACE
747	select SYS_HAS_CPU_SB1
748	select SYS_SUPPORTS_BIG_ENDIAN
749	select SYS_SUPPORTS_HIGHMEM
750	select SYS_SUPPORTS_LITTLE_ENDIAN
751
752config SIBYTE_RHONE
753	bool "Sibyte BCM91125E-Rhone"
754	select BOOT_ELF32
755	select DMA_COHERENT
756	select SIBYTE_BCM1125H
757	select SWAP_IO_SPACE
758	select SYS_HAS_CPU_SB1
759	select SYS_SUPPORTS_BIG_ENDIAN
760	select SYS_SUPPORTS_LITTLE_ENDIAN
761
762config SIBYTE_SWARM
763	bool "Sibyte BCM91250A-SWARM"
764	select BOOT_ELF32
765	select DMA_COHERENT
766	select HAVE_PATA_PLATFORM
767	select SIBYTE_SB1250
768	select SWAP_IO_SPACE
769	select SYS_HAS_CPU_SB1
770	select SYS_SUPPORTS_BIG_ENDIAN
771	select SYS_SUPPORTS_HIGHMEM
772	select SYS_SUPPORTS_LITTLE_ENDIAN
773	select ZONE_DMA32 if 64BIT
774
775config SIBYTE_LITTLESUR
776	bool "Sibyte BCM91250C2-LittleSur"
777	select BOOT_ELF32
778	select DMA_COHERENT
779	select HAVE_PATA_PLATFORM
780	select SIBYTE_SB1250
781	select SWAP_IO_SPACE
782	select SYS_HAS_CPU_SB1
783	select SYS_SUPPORTS_BIG_ENDIAN
784	select SYS_SUPPORTS_HIGHMEM
785	select SYS_SUPPORTS_LITTLE_ENDIAN
786
787config SIBYTE_SENTOSA
788	bool "Sibyte BCM91250E-Sentosa"
789	select BOOT_ELF32
790	select DMA_COHERENT
791	select SIBYTE_SB1250
792	select SWAP_IO_SPACE
793	select SYS_HAS_CPU_SB1
794	select SYS_SUPPORTS_BIG_ENDIAN
795	select SYS_SUPPORTS_LITTLE_ENDIAN
796
797config SIBYTE_BIGSUR
798	bool "Sibyte BCM91480B-BigSur"
799	select BOOT_ELF32
800	select DMA_COHERENT
801	select NR_CPUS_DEFAULT_4
802	select SIBYTE_BCM1x80
803	select SWAP_IO_SPACE
804	select SYS_HAS_CPU_SB1
805	select SYS_SUPPORTS_BIG_ENDIAN
806	select SYS_SUPPORTS_HIGHMEM
807	select SYS_SUPPORTS_LITTLE_ENDIAN
808	select ZONE_DMA32 if 64BIT
809
810config SNI_RM
811	bool "SNI RM200/300/400"
812	select FW_ARC if CPU_LITTLE_ENDIAN
813	select FW_ARC32 if CPU_LITTLE_ENDIAN
814	select FW_SNIPROM if CPU_BIG_ENDIAN
815	select ARCH_MAY_HAVE_PC_FDC
816	select BOOT_ELF32
817	select CEVT_R4K
818	select CSRC_R4K
819	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
820	select DMA_NONCOHERENT
821	select GENERIC_ISA_DMA
822	select HAVE_PCSPKR_PLATFORM
823	select HW_HAS_EISA
824	select HW_HAS_PCI
825	select IRQ_MIPS_CPU
826	select I8253
827	select I8259
828	select ISA
829	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
830	select SYS_HAS_CPU_R4X00
831	select SYS_HAS_CPU_R5000
832	select SYS_HAS_CPU_R10000
833	select R5000_CPU_SCACHE
834	select SYS_HAS_EARLY_PRINTK
835	select SYS_SUPPORTS_32BIT_KERNEL
836	select SYS_SUPPORTS_64BIT_KERNEL
837	select SYS_SUPPORTS_BIG_ENDIAN
838	select SYS_SUPPORTS_HIGHMEM
839	select SYS_SUPPORTS_LITTLE_ENDIAN
840	help
841	  The SNI RM200/300/400 are MIPS-based machines manufactured by
842	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
843	  Technology and now in turn merged with Fujitsu.  Say Y here to
844	  support this machine type.
845
846config MACH_TX39XX
847	bool "Toshiba TX39 series based machines"
848
849config MACH_TX49XX
850	bool "Toshiba TX49 series based machines"
851
852config MIKROTIK_RB532
853	bool "Mikrotik RB532 boards"
854	select CEVT_R4K
855	select CSRC_R4K
856	select DMA_NONCOHERENT
857	select HW_HAS_PCI
858	select IRQ_MIPS_CPU
859	select SYS_HAS_CPU_MIPS32_R1
860	select SYS_SUPPORTS_32BIT_KERNEL
861	select SYS_SUPPORTS_LITTLE_ENDIAN
862	select SWAP_IO_SPACE
863	select BOOT_RAW
864	select GPIOLIB
865	select MIPS_L1_CACHE_SHIFT_4
866	help
867	  Support the Mikrotik(tm) RouterBoard 532 series,
868	  based on the IDT RC32434 SoC.
869
870config CAVIUM_OCTEON_SOC
871	bool "Cavium Networks Octeon SoC based boards"
872	select CEVT_R4K
873	select ARCH_PHYS_ADDR_T_64BIT
874	select DMA_COHERENT
875	select SYS_SUPPORTS_64BIT_KERNEL
876	select SYS_SUPPORTS_BIG_ENDIAN
877	select EDAC_SUPPORT
878	select EDAC_ATOMIC_SCRUB
879	select SYS_SUPPORTS_LITTLE_ENDIAN
880	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
881	select SYS_HAS_EARLY_PRINTK
882	select SYS_HAS_CPU_CAVIUM_OCTEON
883	select SWAP_IO_SPACE
884	select HW_HAS_PCI
885	select ZONE_DMA32
886	select HOLES_IN_ZONE
887	select GPIOLIB
888	select LIBFDT
889	select USE_OF
890	select ARCH_SPARSEMEM_ENABLE
891	select SYS_SUPPORTS_SMP
892	select NR_CPUS_DEFAULT_16
893	select BUILTIN_DTB
894	select MTD_COMPLEX_MAPPINGS
895	help
896	  This option supports all of the Octeon reference boards from Cavium
897	  Networks. It builds a kernel that dynamically determines the Octeon
898	  CPU type and supports all known board reference implementations.
899	  Some of the supported boards are:
900		EBT3000
901		EBH3000
902		EBH3100
903		Thunder
904		Kodama
905		Hikari
906	  Say Y here for most Octeon reference boards.
907
908config NLM_XLR_BOARD
909	bool "Netlogic XLR/XLS based systems"
910	select BOOT_ELF32
911	select NLM_COMMON
912	select SYS_HAS_CPU_XLR
913	select SYS_SUPPORTS_SMP
914	select HW_HAS_PCI
915	select SWAP_IO_SPACE
916	select SYS_SUPPORTS_32BIT_KERNEL
917	select SYS_SUPPORTS_64BIT_KERNEL
918	select ARCH_PHYS_ADDR_T_64BIT
919	select SYS_SUPPORTS_BIG_ENDIAN
920	select SYS_SUPPORTS_HIGHMEM
921	select DMA_COHERENT
922	select NR_CPUS_DEFAULT_32
923	select CEVT_R4K
924	select CSRC_R4K
925	select IRQ_MIPS_CPU
926	select ZONE_DMA32 if 64BIT
927	select SYNC_R4K
928	select SYS_HAS_EARLY_PRINTK
929	select SYS_SUPPORTS_ZBOOT
930	select SYS_SUPPORTS_ZBOOT_UART16550
931	help
932	  Support for systems based on Netlogic XLR and XLS processors.
933	  Say Y here if you have a XLR or XLS based board.
934
935config NLM_XLP_BOARD
936	bool "Netlogic XLP based systems"
937	select BOOT_ELF32
938	select NLM_COMMON
939	select SYS_HAS_CPU_XLP
940	select SYS_SUPPORTS_SMP
941	select HW_HAS_PCI
942	select SYS_SUPPORTS_32BIT_KERNEL
943	select SYS_SUPPORTS_64BIT_KERNEL
944	select ARCH_PHYS_ADDR_T_64BIT
945	select GPIOLIB
946	select SYS_SUPPORTS_BIG_ENDIAN
947	select SYS_SUPPORTS_LITTLE_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 USE_OF
958	select SYS_SUPPORTS_ZBOOT
959	select SYS_SUPPORTS_ZBOOT_UART16550
960	help
961	  This board is based on Netlogic XLP Processor.
962	  Say Y here if you have a XLP based board.
963
964config MIPS_PARAVIRT
965	bool "Para-Virtualized guest system"
966	select CEVT_R4K
967	select CSRC_R4K
968	select DMA_COHERENT
969	select SYS_SUPPORTS_64BIT_KERNEL
970	select SYS_SUPPORTS_32BIT_KERNEL
971	select SYS_SUPPORTS_BIG_ENDIAN
972	select SYS_SUPPORTS_SMP
973	select NR_CPUS_DEFAULT_4
974	select SYS_HAS_EARLY_PRINTK
975	select SYS_HAS_CPU_MIPS32_R2
976	select SYS_HAS_CPU_MIPS64_R2
977	select SYS_HAS_CPU_CAVIUM_OCTEON
978	select HW_HAS_PCI
979	select SWAP_IO_SPACE
980	help
981	  This option supports guest running under ????
982
983endchoice
984
985source "arch/mips/alchemy/Kconfig"
986source "arch/mips/ath25/Kconfig"
987source "arch/mips/ath79/Kconfig"
988source "arch/mips/bcm47xx/Kconfig"
989source "arch/mips/bcm63xx/Kconfig"
990source "arch/mips/bmips/Kconfig"
991source "arch/mips/jazz/Kconfig"
992source "arch/mips/jz4740/Kconfig"
993source "arch/mips/lantiq/Kconfig"
994source "arch/mips/lasat/Kconfig"
995source "arch/mips/pic32/Kconfig"
996source "arch/mips/pistachio/Kconfig"
997source "arch/mips/pmcs-msp71xx/Kconfig"
998source "arch/mips/ralink/Kconfig"
999source "arch/mips/sgi-ip27/Kconfig"
1000source "arch/mips/sibyte/Kconfig"
1001source "arch/mips/txx9/Kconfig"
1002source "arch/mips/vr41xx/Kconfig"
1003source "arch/mips/cavium-octeon/Kconfig"
1004source "arch/mips/loongson32/Kconfig"
1005source "arch/mips/loongson64/Kconfig"
1006source "arch/mips/netlogic/Kconfig"
1007source "arch/mips/paravirt/Kconfig"
1008source "arch/mips/xilfpga/Kconfig"
1009
1010endmenu
1011
1012config RWSEM_GENERIC_SPINLOCK
1013	bool
1014	default y
1015
1016config RWSEM_XCHGADD_ALGORITHM
1017	bool
1018
1019config ARCH_HAS_ILOG2_U32
1020	bool
1021	default n
1022
1023config ARCH_HAS_ILOG2_U64
1024	bool
1025	default n
1026
1027config GENERIC_HWEIGHT
1028	bool
1029	default y
1030
1031config GENERIC_CALIBRATE_DELAY
1032	bool
1033	default y
1034
1035config SCHED_OMIT_FRAME_POINTER
1036	bool
1037	default y
1038
1039#
1040# Select some configuration options automatically based on user selections.
1041#
1042config FW_ARC
1043	bool
1044
1045config ARCH_MAY_HAVE_PC_FDC
1046	bool
1047
1048config BOOT_RAW
1049	bool
1050
1051config CEVT_BCM1480
1052	bool
1053
1054config CEVT_DS1287
1055	bool
1056
1057config CEVT_GT641XX
1058	bool
1059
1060config CEVT_R4K
1061	bool
1062
1063config CEVT_SB1250
1064	bool
1065
1066config CEVT_TXX9
1067	bool
1068
1069config CSRC_BCM1480
1070	bool
1071
1072config CSRC_IOASIC
1073	bool
1074
1075config CSRC_R4K
1076	bool
1077
1078config CSRC_SB1250
1079	bool
1080
1081config MIPS_CLOCK_VSYSCALL
1082	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1083
1084config GPIO_TXX9
1085	select GPIOLIB
1086	bool
1087
1088config FW_CFE
1089	bool
1090
1091config ARCH_DMA_ADDR_T_64BIT
1092	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1093
1094config ARCH_SUPPORTS_UPROBES
1095	bool
1096
1097config DMA_MAYBE_COHERENT
1098	select DMA_NONCOHERENT
1099	bool
1100
1101config DMA_COHERENT
1102	bool
1103
1104config DMA_NONCOHERENT
1105	bool
1106	select NEED_DMA_MAP_STATE
1107
1108config NEED_DMA_MAP_STATE
1109	bool
1110
1111config SYS_HAS_EARLY_PRINTK
1112	bool
1113
1114config HOTPLUG_CPU
1115	bool "Support for hot-pluggable CPUs"
1116	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1117	help
1118	  Say Y here to allow turning CPUs off and on. CPUs can be
1119	  controlled through /sys/devices/system/cpu.
1120	  (Note: power management support will enable this option
1121	    automatically on SMP systems. )
1122	  Say N if you want to disable CPU hotplug.
1123
1124config SYS_SUPPORTS_HOTPLUG_CPU
1125	bool
1126
1127config MIPS_BONITO64
1128	bool
1129
1130config MIPS_MSC
1131	bool
1132
1133config MIPS_NILE4
1134	bool
1135
1136config SYNC_R4K
1137	bool
1138
1139config MIPS_MACHINE
1140	def_bool n
1141
1142config NO_IOPORT_MAP
1143	def_bool n
1144
1145config GENERIC_CSUM
1146	bool
1147
1148config GENERIC_ISA_DMA
1149	bool
1150	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1151	select ISA_DMA_API
1152
1153config GENERIC_ISA_DMA_SUPPORT_BROKEN
1154	bool
1155	select GENERIC_ISA_DMA
1156
1157config ISA_DMA_API
1158	bool
1159
1160config HOLES_IN_ZONE
1161	bool
1162
1163config SYS_SUPPORTS_RELOCATABLE
1164	bool
1165	help
1166	 Selected if the platform supports relocating the kernel.
1167	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1168	 to allow access to command line and entropy sources.
1169
1170#
1171# Endianness selection.  Sufficiently obscure so many users don't know what to
1172# answer,so we try hard to limit the available choices.  Also the use of a
1173# choice statement should be more obvious to the user.
1174#
1175choice
1176	prompt "Endianness selection"
1177	help
1178	  Some MIPS machines can be configured for either little or big endian
1179	  byte order. These modes require different kernels and a different
1180	  Linux distribution.  In general there is one preferred byteorder for a
1181	  particular system but some systems are just as commonly used in the
1182	  one or the other endianness.
1183
1184config CPU_BIG_ENDIAN
1185	bool "Big endian"
1186	depends on SYS_SUPPORTS_BIG_ENDIAN
1187
1188config CPU_LITTLE_ENDIAN
1189	bool "Little endian"
1190	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1191
1192endchoice
1193
1194config EXPORT_UASM
1195	bool
1196
1197config SYS_SUPPORTS_APM_EMULATION
1198	bool
1199
1200config SYS_SUPPORTS_BIG_ENDIAN
1201	bool
1202
1203config SYS_SUPPORTS_LITTLE_ENDIAN
1204	bool
1205
1206config SYS_SUPPORTS_HUGETLBFS
1207	bool
1208	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1209	default y
1210
1211config MIPS_HUGE_TLB_SUPPORT
1212	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1213
1214config IRQ_CPU_RM7K
1215	bool
1216
1217config IRQ_MSP_SLP
1218	bool
1219
1220config IRQ_MSP_CIC
1221	bool
1222
1223config IRQ_TXX9
1224	bool
1225
1226config IRQ_GT641XX
1227	bool
1228
1229config PCI_GT64XXX_PCI0
1230	bool
1231
1232config NO_EXCEPT_FILL
1233	bool
1234
1235config SOC_EMMA2RH
1236	bool
1237	select CEVT_R4K
1238	select CSRC_R4K
1239	select DMA_NONCOHERENT
1240	select IRQ_MIPS_CPU
1241	select SWAP_IO_SPACE
1242	select SYS_HAS_CPU_R5500
1243	select SYS_SUPPORTS_32BIT_KERNEL
1244	select SYS_SUPPORTS_64BIT_KERNEL
1245	select SYS_SUPPORTS_BIG_ENDIAN
1246
1247config SOC_PNX833X
1248	bool
1249	select CEVT_R4K
1250	select CSRC_R4K
1251	select IRQ_MIPS_CPU
1252	select DMA_NONCOHERENT
1253	select SYS_HAS_CPU_MIPS32_R2
1254	select SYS_SUPPORTS_32BIT_KERNEL
1255	select SYS_SUPPORTS_LITTLE_ENDIAN
1256	select SYS_SUPPORTS_BIG_ENDIAN
1257	select SYS_SUPPORTS_MIPS16
1258	select CPU_MIPSR2_IRQ_VI
1259
1260config SOC_PNX8335
1261	bool
1262	select SOC_PNX833X
1263
1264config MIPS_SPRAM
1265	bool
1266
1267config SWAP_IO_SPACE
1268	bool
1269
1270config SGI_HAS_INDYDOG
1271	bool
1272
1273config SGI_HAS_HAL2
1274	bool
1275
1276config SGI_HAS_SEEQ
1277	bool
1278
1279config SGI_HAS_WD93
1280	bool
1281
1282config SGI_HAS_ZILOG
1283	bool
1284
1285config SGI_HAS_I8042
1286	bool
1287
1288config DEFAULT_SGI_PARTITION
1289	bool
1290
1291config FW_ARC32
1292	bool
1293
1294config FW_SNIPROM
1295	bool
1296
1297config BOOT_ELF32
1298	bool
1299
1300config MIPS_L1_CACHE_SHIFT_4
1301	bool
1302
1303config MIPS_L1_CACHE_SHIFT_5
1304	bool
1305
1306config MIPS_L1_CACHE_SHIFT_6
1307	bool
1308
1309config MIPS_L1_CACHE_SHIFT_7
1310	bool
1311
1312config MIPS_L1_CACHE_SHIFT
1313	int
1314	default "7" if MIPS_L1_CACHE_SHIFT_7
1315	default "6" if MIPS_L1_CACHE_SHIFT_6
1316	default "5" if MIPS_L1_CACHE_SHIFT_5
1317	default "4" if MIPS_L1_CACHE_SHIFT_4
1318	default "5"
1319
1320config HAVE_STD_PC_SERIAL_PORT
1321	bool
1322
1323config ARC_CONSOLE
1324	bool "ARC console support"
1325	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1326
1327config ARC_MEMORY
1328	bool
1329	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1330	default y
1331
1332config ARC_PROMLIB
1333	bool
1334	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1335	default y
1336
1337config FW_ARC64
1338	bool
1339
1340config BOOT_ELF64
1341	bool
1342
1343menu "CPU selection"
1344
1345choice
1346	prompt "CPU type"
1347	default CPU_R4X00
1348
1349config CPU_LOONGSON3
1350	bool "Loongson 3 CPU"
1351	depends on SYS_HAS_CPU_LOONGSON3
1352	select CPU_SUPPORTS_64BIT_KERNEL
1353	select CPU_SUPPORTS_HIGHMEM
1354	select CPU_SUPPORTS_HUGEPAGES
1355	select WEAK_ORDERING
1356	select WEAK_REORDERING_BEYOND_LLSC
1357	select MIPS_PGD_C0_CONTEXT
1358	select GPIOLIB
1359	help
1360		The Loongson 3 processor implements the MIPS64R2 instruction
1361		set with many extensions.
1362
1363config LOONGSON3_ENHANCEMENT
1364	bool "New Loongson 3 CPU Enhancements"
1365	default n
1366	select CPU_MIPSR2
1367	select CPU_HAS_PREFETCH
1368	depends on CPU_LOONGSON3
1369	help
1370	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1371	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1372	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1373	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1374	  Fast TLB refill support, etc.
1375
1376	  This option enable those enhancements which are not probed at run
1377	  time. If you want a generic kernel to run on all Loongson 3 machines,
1378	  please say 'N' here. If you want a high-performance kernel to run on
1379	  new Loongson 3 machines only, please say 'Y' here.
1380
1381config CPU_LOONGSON2E
1382	bool "Loongson 2E"
1383	depends on SYS_HAS_CPU_LOONGSON2E
1384	select CPU_LOONGSON2
1385	help
1386	  The Loongson 2E processor implements the MIPS III instruction set
1387	  with many extensions.
1388
1389	  It has an internal FPGA northbridge, which is compatible to
1390	  bonito64.
1391
1392config CPU_LOONGSON2F
1393	bool "Loongson 2F"
1394	depends on SYS_HAS_CPU_LOONGSON2F
1395	select CPU_LOONGSON2
1396	select GPIOLIB
1397	help
1398	  The Loongson 2F processor implements the MIPS III instruction set
1399	  with many extensions.
1400
1401	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1402	  have a similar programming interface with FPGA northbridge used in
1403	  Loongson2E.
1404
1405config CPU_LOONGSON1B
1406	bool "Loongson 1B"
1407	depends on SYS_HAS_CPU_LOONGSON1B
1408	select CPU_LOONGSON1
1409	select ARCH_WANT_OPTIONAL_GPIOLIB
1410	select LEDS_GPIO_REGISTER
1411	help
1412	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1413	  release 2 instruction set.
1414
1415config CPU_MIPS32_R1
1416	bool "MIPS32 Release 1"
1417	depends on SYS_HAS_CPU_MIPS32_R1
1418	select CPU_HAS_PREFETCH
1419	select CPU_SUPPORTS_32BIT_KERNEL
1420	select CPU_SUPPORTS_HIGHMEM
1421	help
1422	  Choose this option to build a kernel for release 1 or later of the
1423	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1424	  MIPS processor are based on a MIPS32 processor.  If you know the
1425	  specific type of processor in your system, choose those that one
1426	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1427	  Release 2 of the MIPS32 architecture is available since several
1428	  years so chances are you even have a MIPS32 Release 2 processor
1429	  in which case you should choose CPU_MIPS32_R2 instead for better
1430	  performance.
1431
1432config CPU_MIPS32_R2
1433	bool "MIPS32 Release 2"
1434	depends on SYS_HAS_CPU_MIPS32_R2
1435	select CPU_HAS_PREFETCH
1436	select CPU_SUPPORTS_32BIT_KERNEL
1437	select CPU_SUPPORTS_HIGHMEM
1438	select CPU_SUPPORTS_MSA
1439	select HAVE_KVM
1440	help
1441	  Choose this option to build a kernel for release 2 or later of the
1442	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1443	  MIPS processor are based on a MIPS32 processor.  If you know the
1444	  specific type of processor in your system, choose those that one
1445	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1446
1447config CPU_MIPS32_R6
1448	bool "MIPS32 Release 6"
1449	depends on SYS_HAS_CPU_MIPS32_R6
1450	select CPU_HAS_PREFETCH
1451	select CPU_SUPPORTS_32BIT_KERNEL
1452	select CPU_SUPPORTS_HIGHMEM
1453	select CPU_SUPPORTS_MSA
1454	select GENERIC_CSUM
1455	select HAVE_KVM
1456	select MIPS_O32_FP64_SUPPORT
1457	help
1458	  Choose this option to build a kernel for release 6 or later of the
1459	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1460	  family, are based on a MIPS32r6 processor. If you own an older
1461	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1462
1463config CPU_MIPS64_R1
1464	bool "MIPS64 Release 1"
1465	depends on SYS_HAS_CPU_MIPS64_R1
1466	select CPU_HAS_PREFETCH
1467	select CPU_SUPPORTS_32BIT_KERNEL
1468	select CPU_SUPPORTS_64BIT_KERNEL
1469	select CPU_SUPPORTS_HIGHMEM
1470	select CPU_SUPPORTS_HUGEPAGES
1471	help
1472	  Choose this option to build a kernel for release 1 or later of the
1473	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1474	  MIPS processor are based on a MIPS64 processor.  If you know the
1475	  specific type of processor in your system, choose those that one
1476	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1477	  Release 2 of the MIPS64 architecture is available since several
1478	  years so chances are you even have a MIPS64 Release 2 processor
1479	  in which case you should choose CPU_MIPS64_R2 instead for better
1480	  performance.
1481
1482config CPU_MIPS64_R2
1483	bool "MIPS64 Release 2"
1484	depends on SYS_HAS_CPU_MIPS64_R2
1485	select CPU_HAS_PREFETCH
1486	select CPU_SUPPORTS_32BIT_KERNEL
1487	select CPU_SUPPORTS_64BIT_KERNEL
1488	select CPU_SUPPORTS_HIGHMEM
1489	select CPU_SUPPORTS_HUGEPAGES
1490	select CPU_SUPPORTS_MSA
1491	help
1492	  Choose this option to build a kernel for release 2 or later of the
1493	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1494	  MIPS processor are based on a MIPS64 processor.  If you know the
1495	  specific type of processor in your system, choose those that one
1496	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1497
1498config CPU_MIPS64_R6
1499	bool "MIPS64 Release 6"
1500	depends on SYS_HAS_CPU_MIPS64_R6
1501	select CPU_HAS_PREFETCH
1502	select CPU_SUPPORTS_32BIT_KERNEL
1503	select CPU_SUPPORTS_64BIT_KERNEL
1504	select CPU_SUPPORTS_HIGHMEM
1505	select CPU_SUPPORTS_MSA
1506	select GENERIC_CSUM
1507	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1508	help
1509	  Choose this option to build a kernel for release 6 or later of the
1510	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1511	  family, are based on a MIPS64r6 processor. If you own an older
1512	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1513
1514config CPU_R3000
1515	bool "R3000"
1516	depends on SYS_HAS_CPU_R3000
1517	select CPU_HAS_WB
1518	select CPU_SUPPORTS_32BIT_KERNEL
1519	select CPU_SUPPORTS_HIGHMEM
1520	help
1521	  Please make sure to pick the right CPU type. Linux/MIPS is not
1522	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1523	  *not* work on R4000 machines and vice versa.  However, since most
1524	  of the supported machines have an R4000 (or similar) CPU, R4x00
1525	  might be a safe bet.  If the resulting kernel does not work,
1526	  try to recompile with R3000.
1527
1528config CPU_TX39XX
1529	bool "R39XX"
1530	depends on SYS_HAS_CPU_TX39XX
1531	select CPU_SUPPORTS_32BIT_KERNEL
1532
1533config CPU_VR41XX
1534	bool "R41xx"
1535	depends on SYS_HAS_CPU_VR41XX
1536	select CPU_SUPPORTS_32BIT_KERNEL
1537	select CPU_SUPPORTS_64BIT_KERNEL
1538	help
1539	  The options selects support for the NEC VR4100 series of processors.
1540	  Only choose this option if you have one of these processors as a
1541	  kernel built with this option will not run on any other type of
1542	  processor or vice versa.
1543
1544config CPU_R4300
1545	bool "R4300"
1546	depends on SYS_HAS_CPU_R4300
1547	select CPU_SUPPORTS_32BIT_KERNEL
1548	select CPU_SUPPORTS_64BIT_KERNEL
1549	help
1550	  MIPS Technologies R4300-series processors.
1551
1552config CPU_R4X00
1553	bool "R4x00"
1554	depends on SYS_HAS_CPU_R4X00
1555	select CPU_SUPPORTS_32BIT_KERNEL
1556	select CPU_SUPPORTS_64BIT_KERNEL
1557	select CPU_SUPPORTS_HUGEPAGES
1558	help
1559	  MIPS Technologies R4000-series processors other than 4300, including
1560	  the R4000, R4400, R4600, and 4700.
1561
1562config CPU_TX49XX
1563	bool "R49XX"
1564	depends on SYS_HAS_CPU_TX49XX
1565	select CPU_HAS_PREFETCH
1566	select CPU_SUPPORTS_32BIT_KERNEL
1567	select CPU_SUPPORTS_64BIT_KERNEL
1568	select CPU_SUPPORTS_HUGEPAGES
1569
1570config CPU_R5000
1571	bool "R5000"
1572	depends on SYS_HAS_CPU_R5000
1573	select CPU_SUPPORTS_32BIT_KERNEL
1574	select CPU_SUPPORTS_64BIT_KERNEL
1575	select CPU_SUPPORTS_HUGEPAGES
1576	help
1577	  MIPS Technologies R5000-series processors other than the Nevada.
1578
1579config CPU_R5432
1580	bool "R5432"
1581	depends on SYS_HAS_CPU_R5432
1582	select CPU_SUPPORTS_32BIT_KERNEL
1583	select CPU_SUPPORTS_64BIT_KERNEL
1584	select CPU_SUPPORTS_HUGEPAGES
1585
1586config CPU_R5500
1587	bool "R5500"
1588	depends on SYS_HAS_CPU_R5500
1589	select CPU_SUPPORTS_32BIT_KERNEL
1590	select CPU_SUPPORTS_64BIT_KERNEL
1591	select CPU_SUPPORTS_HUGEPAGES
1592	help
1593	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1594	  instruction set.
1595
1596config CPU_R6000
1597	bool "R6000"
1598	depends on SYS_HAS_CPU_R6000
1599	select CPU_SUPPORTS_32BIT_KERNEL
1600	help
1601	  MIPS Technologies R6000 and R6000A series processors.  Note these
1602	  processors are extremely rare and the support for them is incomplete.
1603
1604config CPU_NEVADA
1605	bool "RM52xx"
1606	depends on SYS_HAS_CPU_NEVADA
1607	select CPU_SUPPORTS_32BIT_KERNEL
1608	select CPU_SUPPORTS_64BIT_KERNEL
1609	select CPU_SUPPORTS_HUGEPAGES
1610	help
1611	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1612
1613config CPU_R8000
1614	bool "R8000"
1615	depends on SYS_HAS_CPU_R8000
1616	select CPU_HAS_PREFETCH
1617	select CPU_SUPPORTS_64BIT_KERNEL
1618	help
1619	  MIPS Technologies R8000 processors.  Note these processors are
1620	  uncommon and the support for them is incomplete.
1621
1622config CPU_R10000
1623	bool "R10000"
1624	depends on SYS_HAS_CPU_R10000
1625	select CPU_HAS_PREFETCH
1626	select CPU_SUPPORTS_32BIT_KERNEL
1627	select CPU_SUPPORTS_64BIT_KERNEL
1628	select CPU_SUPPORTS_HIGHMEM
1629	select CPU_SUPPORTS_HUGEPAGES
1630	help
1631	  MIPS Technologies R10000-series processors.
1632
1633config CPU_RM7000
1634	bool "RM7000"
1635	depends on SYS_HAS_CPU_RM7000
1636	select CPU_HAS_PREFETCH
1637	select CPU_SUPPORTS_32BIT_KERNEL
1638	select CPU_SUPPORTS_64BIT_KERNEL
1639	select CPU_SUPPORTS_HIGHMEM
1640	select CPU_SUPPORTS_HUGEPAGES
1641
1642config CPU_SB1
1643	bool "SB1"
1644	depends on SYS_HAS_CPU_SB1
1645	select CPU_SUPPORTS_32BIT_KERNEL
1646	select CPU_SUPPORTS_64BIT_KERNEL
1647	select CPU_SUPPORTS_HIGHMEM
1648	select CPU_SUPPORTS_HUGEPAGES
1649	select WEAK_ORDERING
1650
1651config CPU_CAVIUM_OCTEON
1652	bool "Cavium Octeon processor"
1653	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1654	select CPU_HAS_PREFETCH
1655	select CPU_SUPPORTS_64BIT_KERNEL
1656	select WEAK_ORDERING
1657	select CPU_SUPPORTS_HIGHMEM
1658	select CPU_SUPPORTS_HUGEPAGES
1659	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1660	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1661	select MIPS_L1_CACHE_SHIFT_7
1662	help
1663	  The Cavium Octeon processor is a highly integrated chip containing
1664	  many ethernet hardware widgets for networking tasks. The processor
1665	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1666	  Full details can be found at http://www.caviumnetworks.com.
1667
1668config CPU_BMIPS
1669	bool "Broadcom BMIPS"
1670	depends on SYS_HAS_CPU_BMIPS
1671	select CPU_MIPS32
1672	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1673	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1674	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1675	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1676	select CPU_SUPPORTS_32BIT_KERNEL
1677	select DMA_NONCOHERENT
1678	select IRQ_MIPS_CPU
1679	select SWAP_IO_SPACE
1680	select WEAK_ORDERING
1681	select CPU_SUPPORTS_HIGHMEM
1682	select CPU_HAS_PREFETCH
1683	help
1684	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1685
1686config CPU_XLR
1687	bool "Netlogic XLR SoC"
1688	depends on SYS_HAS_CPU_XLR
1689	select CPU_SUPPORTS_32BIT_KERNEL
1690	select CPU_SUPPORTS_64BIT_KERNEL
1691	select CPU_SUPPORTS_HIGHMEM
1692	select CPU_SUPPORTS_HUGEPAGES
1693	select WEAK_ORDERING
1694	select WEAK_REORDERING_BEYOND_LLSC
1695	help
1696	  Netlogic Microsystems XLR/XLS processors.
1697
1698config CPU_XLP
1699	bool "Netlogic XLP SoC"
1700	depends on SYS_HAS_CPU_XLP
1701	select CPU_SUPPORTS_32BIT_KERNEL
1702	select CPU_SUPPORTS_64BIT_KERNEL
1703	select CPU_SUPPORTS_HIGHMEM
1704	select WEAK_ORDERING
1705	select WEAK_REORDERING_BEYOND_LLSC
1706	select CPU_HAS_PREFETCH
1707	select CPU_MIPSR2
1708	select CPU_SUPPORTS_HUGEPAGES
1709	select MIPS_ASID_BITS_VARIABLE
1710	help
1711	  Netlogic Microsystems XLP processors.
1712endchoice
1713
1714config CPU_MIPS32_3_5_FEATURES
1715	bool "MIPS32 Release 3.5 Features"
1716	depends on SYS_HAS_CPU_MIPS32_R3_5
1717	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1718	help
1719	  Choose this option to build a kernel for release 2 or later of the
1720	  MIPS32 architecture including features from the 3.5 release such as
1721	  support for Enhanced Virtual Addressing (EVA).
1722
1723config CPU_MIPS32_3_5_EVA
1724	bool "Enhanced Virtual Addressing (EVA)"
1725	depends on CPU_MIPS32_3_5_FEATURES
1726	select EVA
1727	default y
1728	help
1729	  Choose this option if you want to enable the Enhanced Virtual
1730	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1731	  One of its primary benefits is an increase in the maximum size
1732	  of lowmem (up to 3GB). If unsure, say 'N' here.
1733
1734config CPU_MIPS32_R5_FEATURES
1735	bool "MIPS32 Release 5 Features"
1736	depends on SYS_HAS_CPU_MIPS32_R5
1737	depends on CPU_MIPS32_R2
1738	help
1739	  Choose this option to build a kernel for release 2 or later of the
1740	  MIPS32 architecture including features from release 5 such as
1741	  support for Extended Physical Addressing (XPA).
1742
1743config CPU_MIPS32_R5_XPA
1744	bool "Extended Physical Addressing (XPA)"
1745	depends on CPU_MIPS32_R5_FEATURES
1746	depends on !EVA
1747	depends on !PAGE_SIZE_4KB
1748	depends on SYS_SUPPORTS_HIGHMEM
1749	select XPA
1750	select HIGHMEM
1751	select ARCH_PHYS_ADDR_T_64BIT
1752	default n
1753	help
1754	  Choose this option if you want to enable the Extended Physical
1755	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1756	  benefit is to increase physical addressing equal to or greater
1757	  than 40 bits. Note that this has the side effect of turning on
1758	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1759	  If unsure, say 'N' here.
1760
1761if CPU_LOONGSON2F
1762config CPU_NOP_WORKAROUNDS
1763	bool
1764
1765config CPU_JUMP_WORKAROUNDS
1766	bool
1767
1768config CPU_LOONGSON2F_WORKAROUNDS
1769	bool "Loongson 2F Workarounds"
1770	default y
1771	select CPU_NOP_WORKAROUNDS
1772	select CPU_JUMP_WORKAROUNDS
1773	help
1774	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1775	  require workarounds.  Without workarounds the system may hang
1776	  unexpectedly.  For more information please refer to the gas
1777	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1778
1779	  Loongson 2F03 and later have fixed these issues and no workarounds
1780	  are needed.  The workarounds have no significant side effect on them
1781	  but may decrease the performance of the system so this option should
1782	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1783	  systems.
1784
1785	  If unsure, please say Y.
1786endif # CPU_LOONGSON2F
1787
1788config SYS_SUPPORTS_ZBOOT
1789	bool
1790	select HAVE_KERNEL_GZIP
1791	select HAVE_KERNEL_BZIP2
1792	select HAVE_KERNEL_LZ4
1793	select HAVE_KERNEL_LZMA
1794	select HAVE_KERNEL_LZO
1795	select HAVE_KERNEL_XZ
1796
1797config SYS_SUPPORTS_ZBOOT_UART16550
1798	bool
1799	select SYS_SUPPORTS_ZBOOT
1800
1801config SYS_SUPPORTS_ZBOOT_UART_PROM
1802	bool
1803	select SYS_SUPPORTS_ZBOOT
1804
1805config CPU_LOONGSON2
1806	bool
1807	select CPU_SUPPORTS_32BIT_KERNEL
1808	select CPU_SUPPORTS_64BIT_KERNEL
1809	select CPU_SUPPORTS_HIGHMEM
1810	select CPU_SUPPORTS_HUGEPAGES
1811
1812config CPU_LOONGSON1
1813	bool
1814	select CPU_MIPS32
1815	select CPU_MIPSR2
1816	select CPU_HAS_PREFETCH
1817	select CPU_SUPPORTS_32BIT_KERNEL
1818	select CPU_SUPPORTS_HIGHMEM
1819	select CPU_SUPPORTS_CPUFREQ
1820
1821config CPU_BMIPS32_3300
1822	select SMP_UP if SMP
1823	bool
1824
1825config CPU_BMIPS4350
1826	bool
1827	select SYS_SUPPORTS_SMP
1828	select SYS_SUPPORTS_HOTPLUG_CPU
1829
1830config CPU_BMIPS4380
1831	bool
1832	select MIPS_L1_CACHE_SHIFT_6
1833	select SYS_SUPPORTS_SMP
1834	select SYS_SUPPORTS_HOTPLUG_CPU
1835	select CPU_HAS_RIXI
1836
1837config CPU_BMIPS5000
1838	bool
1839	select MIPS_CPU_SCACHE
1840	select MIPS_L1_CACHE_SHIFT_7
1841	select SYS_SUPPORTS_SMP
1842	select SYS_SUPPORTS_HOTPLUG_CPU
1843	select CPU_HAS_RIXI
1844
1845config SYS_HAS_CPU_LOONGSON3
1846	bool
1847	select CPU_SUPPORTS_CPUFREQ
1848	select CPU_HAS_RIXI
1849
1850config SYS_HAS_CPU_LOONGSON2E
1851	bool
1852
1853config SYS_HAS_CPU_LOONGSON2F
1854	bool
1855	select CPU_SUPPORTS_CPUFREQ
1856	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1858
1859config SYS_HAS_CPU_LOONGSON1B
1860	bool
1861
1862config SYS_HAS_CPU_MIPS32_R1
1863	bool
1864
1865config SYS_HAS_CPU_MIPS32_R2
1866	bool
1867
1868config SYS_HAS_CPU_MIPS32_R3_5
1869	bool
1870
1871config SYS_HAS_CPU_MIPS32_R5
1872	bool
1873
1874config SYS_HAS_CPU_MIPS32_R6
1875	bool
1876
1877config SYS_HAS_CPU_MIPS64_R1
1878	bool
1879
1880config SYS_HAS_CPU_MIPS64_R2
1881	bool
1882
1883config SYS_HAS_CPU_MIPS64_R6
1884	bool
1885
1886config SYS_HAS_CPU_R3000
1887	bool
1888
1889config SYS_HAS_CPU_TX39XX
1890	bool
1891
1892config SYS_HAS_CPU_VR41XX
1893	bool
1894
1895config SYS_HAS_CPU_R4300
1896	bool
1897
1898config SYS_HAS_CPU_R4X00
1899	bool
1900
1901config SYS_HAS_CPU_TX49XX
1902	bool
1903
1904config SYS_HAS_CPU_R5000
1905	bool
1906
1907config SYS_HAS_CPU_R5432
1908	bool
1909
1910config SYS_HAS_CPU_R5500
1911	bool
1912
1913config SYS_HAS_CPU_R6000
1914	bool
1915
1916config SYS_HAS_CPU_NEVADA
1917	bool
1918
1919config SYS_HAS_CPU_R8000
1920	bool
1921
1922config SYS_HAS_CPU_R10000
1923	bool
1924
1925config SYS_HAS_CPU_RM7000
1926	bool
1927
1928config SYS_HAS_CPU_SB1
1929	bool
1930
1931config SYS_HAS_CPU_CAVIUM_OCTEON
1932	bool
1933
1934config SYS_HAS_CPU_BMIPS
1935	bool
1936
1937config SYS_HAS_CPU_BMIPS32_3300
1938	bool
1939	select SYS_HAS_CPU_BMIPS
1940
1941config SYS_HAS_CPU_BMIPS4350
1942	bool
1943	select SYS_HAS_CPU_BMIPS
1944
1945config SYS_HAS_CPU_BMIPS4380
1946	bool
1947	select SYS_HAS_CPU_BMIPS
1948
1949config SYS_HAS_CPU_BMIPS5000
1950	bool
1951	select SYS_HAS_CPU_BMIPS
1952
1953config SYS_HAS_CPU_XLR
1954	bool
1955
1956config SYS_HAS_CPU_XLP
1957	bool
1958
1959config MIPS_MALTA_PM
1960	depends on MIPS_MALTA
1961	depends on PCI
1962	bool
1963	default y
1964
1965#
1966# CPU may reorder R->R, R->W, W->R, W->W
1967# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1968#
1969config WEAK_ORDERING
1970	bool
1971
1972#
1973# CPU may reorder reads and writes beyond LL/SC
1974# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1975#
1976config WEAK_REORDERING_BEYOND_LLSC
1977	bool
1978endmenu
1979
1980#
1981# These two indicate any level of the MIPS32 and MIPS64 architecture
1982#
1983config CPU_MIPS32
1984	bool
1985	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1986
1987config CPU_MIPS64
1988	bool
1989	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1990
1991#
1992# These two indicate the revision of the architecture, either Release 1 or Release 2
1993#
1994config CPU_MIPSR1
1995	bool
1996	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1997
1998config CPU_MIPSR2
1999	bool
2000	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2001	select CPU_HAS_RIXI
2002	select MIPS_SPRAM
2003
2004config CPU_MIPSR6
2005	bool
2006	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2007	select CPU_HAS_RIXI
2008	select HAVE_ARCH_BITREVERSE
2009	select MIPS_ASID_BITS_VARIABLE
2010	select MIPS_SPRAM
2011
2012config EVA
2013	bool
2014
2015config XPA
2016	bool
2017
2018config SYS_SUPPORTS_32BIT_KERNEL
2019	bool
2020config SYS_SUPPORTS_64BIT_KERNEL
2021	bool
2022config CPU_SUPPORTS_32BIT_KERNEL
2023	bool
2024config CPU_SUPPORTS_64BIT_KERNEL
2025	bool
2026config CPU_SUPPORTS_CPUFREQ
2027	bool
2028config CPU_SUPPORTS_ADDRWINCFG
2029	bool
2030config CPU_SUPPORTS_HUGEPAGES
2031	bool
2032config CPU_SUPPORTS_UNCACHED_ACCELERATED
2033	bool
2034config MIPS_PGD_C0_CONTEXT
2035	bool
2036	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
2037
2038#
2039# Set to y for ptrace access to watch registers.
2040#
2041config HARDWARE_WATCHPOINTS
2042       bool
2043       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2044
2045menu "Kernel type"
2046
2047choice
2048	prompt "Kernel code model"
2049	help
2050	  You should only select this option if you have a workload that
2051	  actually benefits from 64-bit processing or if your machine has
2052	  large memory.  You will only be presented a single option in this
2053	  menu if your system does not support both 32-bit and 64-bit kernels.
2054
2055config 32BIT
2056	bool "32-bit kernel"
2057	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2058	select TRAD_SIGNALS
2059	help
2060	  Select this option if you want to build a 32-bit kernel.
2061
2062config 64BIT
2063	bool "64-bit kernel"
2064	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2065	help
2066	  Select this option if you want to build a 64-bit kernel.
2067
2068endchoice
2069
2070config KVM_GUEST
2071	bool "KVM Guest Kernel"
2072	depends on BROKEN_ON_SMP
2073	help
2074	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2075	  mode.
2076
2077config KVM_GUEST_TIMER_FREQ
2078	int "Count/Compare Timer Frequency (MHz)"
2079	depends on KVM_GUEST
2080	default 100
2081	help
2082	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2083	  emulation when determining guest CPU Frequency. Instead, the guest's
2084	  timer frequency is specified directly.
2085
2086config MIPS_VA_BITS_48
2087	bool "48 bits virtual memory"
2088	depends on 64BIT
2089	help
2090	  Support a maximum at least 48 bits of application virtual memory.
2091	  Default is 40 bits or less, depending on the CPU.
2092	  This option result in a small memory overhead for page tables.
2093	  This option is only supported with 16k and 64k page sizes.
2094	  If unsure, say N.
2095
2096choice
2097	prompt "Kernel page size"
2098	default PAGE_SIZE_4KB
2099
2100config PAGE_SIZE_4KB
2101	bool "4kB"
2102	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2103	depends on !MIPS_VA_BITS_48
2104	help
2105	 This option select the standard 4kB Linux page size.  On some
2106	 R3000-family processors this is the only available page size.  Using
2107	 4kB page size will minimize memory consumption and is therefore
2108	 recommended for low memory systems.
2109
2110config PAGE_SIZE_8KB
2111	bool "8kB"
2112	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2113	depends on !MIPS_VA_BITS_48
2114	help
2115	  Using 8kB page size will result in higher performance kernel at
2116	  the price of higher memory consumption.  This option is available
2117	  only on R8000 and cnMIPS processors.  Note that you will need a
2118	  suitable Linux distribution to support this.
2119
2120config PAGE_SIZE_16KB
2121	bool "16kB"
2122	depends on !CPU_R3000 && !CPU_TX39XX
2123	help
2124	  Using 16kB page size will result in higher performance kernel at
2125	  the price of higher memory consumption.  This option is available on
2126	  all non-R3000 family processors.  Note that you will need a suitable
2127	  Linux distribution to support this.
2128
2129config PAGE_SIZE_32KB
2130	bool "32kB"
2131	depends on CPU_CAVIUM_OCTEON
2132	depends on !MIPS_VA_BITS_48
2133	help
2134	  Using 32kB page size will result in higher performance kernel at
2135	  the price of higher memory consumption.  This option is available
2136	  only on cnMIPS cores.  Note that you will need a suitable Linux
2137	  distribution to support this.
2138
2139config PAGE_SIZE_64KB
2140	bool "64kB"
2141	depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2142	help
2143	  Using 64kB page size will result in higher performance kernel at
2144	  the price of higher memory consumption.  This option is available on
2145	  all non-R3000 family processor.  Not that at the time of this
2146	  writing this option is still high experimental.
2147
2148endchoice
2149
2150config FORCE_MAX_ZONEORDER
2151	int "Maximum zone order"
2152	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2153	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2154	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2155	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2156	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2157	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2158	range 11 64
2159	default "11"
2160	help
2161	  The kernel memory allocator divides physically contiguous memory
2162	  blocks into "zones", where each zone is a power of two number of
2163	  pages.  This option selects the largest power of two that the kernel
2164	  keeps in the memory allocator.  If you need to allocate very large
2165	  blocks of physically contiguous memory, then you may need to
2166	  increase this value.
2167
2168	  This config option is actually maximum order plus one. For example,
2169	  a value of 11 means that the largest free memory block is 2^10 pages.
2170
2171	  The page size is not necessarily 4KB.  Keep this in mind
2172	  when choosing a value for this option.
2173
2174config BOARD_SCACHE
2175	bool
2176
2177config IP22_CPU_SCACHE
2178	bool
2179	select BOARD_SCACHE
2180
2181#
2182# Support for a MIPS32 / MIPS64 style S-caches
2183#
2184config MIPS_CPU_SCACHE
2185	bool
2186	select BOARD_SCACHE
2187
2188config R5000_CPU_SCACHE
2189	bool
2190	select BOARD_SCACHE
2191
2192config RM7000_CPU_SCACHE
2193	bool
2194	select BOARD_SCACHE
2195
2196config SIBYTE_DMA_PAGEOPS
2197	bool "Use DMA to clear/copy pages"
2198	depends on CPU_SB1
2199	help
2200	  Instead of using the CPU to zero and copy pages, use a Data Mover
2201	  channel.  These DMA channels are otherwise unused by the standard
2202	  SiByte Linux port.  Seems to give a small performance benefit.
2203
2204config CPU_HAS_PREFETCH
2205	bool
2206
2207config CPU_GENERIC_DUMP_TLB
2208	bool
2209	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2210
2211config CPU_R4K_FPU
2212	bool
2213	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2214
2215config CPU_R4K_CACHE_TLB
2216	bool
2217	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2218
2219config MIPS_MT_SMP
2220	bool "MIPS MT SMP support (1 TC on each available VPE)"
2221	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2222	select CPU_MIPSR2_IRQ_VI
2223	select CPU_MIPSR2_IRQ_EI
2224	select SYNC_R4K
2225	select MIPS_MT
2226	select SMP
2227	select SMP_UP
2228	select SYS_SUPPORTS_SMP
2229	select SYS_SUPPORTS_SCHED_SMT
2230	select MIPS_PERF_SHARED_TC_COUNTERS
2231	help
2232	  This is a kernel model which is known as SMVP. This is supported
2233	  on cores with the MT ASE and uses the available VPEs to implement
2234	  virtual processors which supports SMP. This is equivalent to the
2235	  Intel Hyperthreading feature. For further information go to
2236	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2237
2238config MIPS_MT
2239	bool
2240
2241config SCHED_SMT
2242	bool "SMT (multithreading) scheduler support"
2243	depends on SYS_SUPPORTS_SCHED_SMT
2244	default n
2245	help
2246	  SMT scheduler support improves the CPU scheduler's decision making
2247	  when dealing with MIPS MT enabled cores at a cost of slightly
2248	  increased overhead in some places. If unsure say N here.
2249
2250config SYS_SUPPORTS_SCHED_SMT
2251	bool
2252
2253config SYS_SUPPORTS_MULTITHREADING
2254	bool
2255
2256config MIPS_MT_FPAFF
2257	bool "Dynamic FPU affinity for FP-intensive threads"
2258	default y
2259	depends on MIPS_MT_SMP
2260
2261config MIPSR2_TO_R6_EMULATOR
2262	bool "MIPS R2-to-R6 emulator"
2263	depends on CPU_MIPSR6 && !SMP
2264	default y
2265	help
2266	  Choose this option if you want to run non-R6 MIPS userland code.
2267	  Even if you say 'Y' here, the emulator will still be disabled by
2268	  default. You can enable it using the 'mipsr2emu' kernel option.
2269	  The only reason this is a build-time option is to save ~14K from the
2270	  final kernel image.
2271comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2272	depends on SMP && CPU_MIPSR6
2273
2274config MIPS_VPE_LOADER
2275	bool "VPE loader support."
2276	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2277	select CPU_MIPSR2_IRQ_VI
2278	select CPU_MIPSR2_IRQ_EI
2279	select MIPS_MT
2280	help
2281	  Includes a loader for loading an elf relocatable object
2282	  onto another VPE and running it.
2283
2284config MIPS_VPE_LOADER_CMP
2285	bool
2286	default "y"
2287	depends on MIPS_VPE_LOADER && MIPS_CMP
2288
2289config MIPS_VPE_LOADER_MT
2290	bool
2291	default "y"
2292	depends on MIPS_VPE_LOADER && !MIPS_CMP
2293
2294config MIPS_VPE_LOADER_TOM
2295	bool "Load VPE program into memory hidden from linux"
2296	depends on MIPS_VPE_LOADER
2297	default y
2298	help
2299	  The loader can use memory that is present but has been hidden from
2300	  Linux using the kernel command line option "mem=xxMB". It's up to
2301	  you to ensure the amount you put in the option and the space your
2302	  program requires is less or equal to the amount physically present.
2303
2304config MIPS_VPE_APSP_API
2305	bool "Enable support for AP/SP API (RTLX)"
2306	depends on MIPS_VPE_LOADER
2307	help
2308
2309config MIPS_VPE_APSP_API_CMP
2310	bool
2311	default "y"
2312	depends on MIPS_VPE_APSP_API && MIPS_CMP
2313
2314config MIPS_VPE_APSP_API_MT
2315	bool
2316	default "y"
2317	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2318
2319config MIPS_CMP
2320	bool "MIPS CMP framework support (DEPRECATED)"
2321	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2322	select SMP
2323	select SYNC_R4K
2324	select SYS_SUPPORTS_SMP
2325	select WEAK_ORDERING
2326	default n
2327	help
2328	  Select this if you are using a bootloader which implements the "CMP
2329	  framework" protocol (ie. YAMON) and want your kernel to make use of
2330	  its ability to start secondary CPUs.
2331
2332	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2333	  instead of this.
2334
2335config MIPS_CPS
2336	bool "MIPS Coherent Processing System support"
2337	depends on SYS_SUPPORTS_MIPS_CPS
2338	select MIPS_CM
2339	select MIPS_CPC
2340	select MIPS_CPS_PM if HOTPLUG_CPU
2341	select SMP
2342	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2343	select SYS_SUPPORTS_HOTPLUG_CPU
2344	select SYS_SUPPORTS_SMP
2345	select WEAK_ORDERING
2346	help
2347	  Select this if you wish to run an SMP kernel across multiple cores
2348	  within a MIPS Coherent Processing System. When this option is
2349	  enabled the kernel will probe for other cores and boot them with
2350	  no external assistance. It is safe to enable this when hardware
2351	  support is unavailable.
2352
2353config MIPS_CPS_PM
2354	depends on MIPS_CPS
2355	select MIPS_CPC
2356	bool
2357
2358config MIPS_CM
2359	bool
2360
2361config MIPS_CPC
2362	bool
2363
2364config SB1_PASS_2_WORKAROUNDS
2365	bool
2366	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2367	default y
2368
2369config SB1_PASS_2_1_WORKAROUNDS
2370	bool
2371	depends on CPU_SB1 && CPU_SB1_PASS_2
2372	default y
2373
2374
2375config ARCH_PHYS_ADDR_T_64BIT
2376       bool
2377
2378choice
2379	prompt "SmartMIPS or microMIPS ASE support"
2380
2381config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2382	bool "None"
2383	help
2384	  Select this if you want neither microMIPS nor SmartMIPS support
2385
2386config CPU_HAS_SMARTMIPS
2387	depends on SYS_SUPPORTS_SMARTMIPS
2388	bool "SmartMIPS"
2389	help
2390	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2391	  increased security at both hardware and software level for
2392	  smartcards.  Enabling this option will allow proper use of the
2393	  SmartMIPS instructions by Linux applications.  However a kernel with
2394	  this option will not work on a MIPS core without SmartMIPS core.  If
2395	  you don't know you probably don't have SmartMIPS and should say N
2396	  here.
2397
2398config CPU_MICROMIPS
2399	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2400	bool "microMIPS"
2401	help
2402	  When this option is enabled the kernel will be built using the
2403	  microMIPS ISA
2404
2405endchoice
2406
2407config CPU_HAS_MSA
2408	bool "Support for the MIPS SIMD Architecture"
2409	depends on CPU_SUPPORTS_MSA
2410	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2411	help
2412	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2413	  and a set of SIMD instructions to operate on them. When this option
2414	  is enabled the kernel will support allocating & switching MSA
2415	  vector register contexts. If you know that your kernel will only be
2416	  running on CPUs which do not support MSA or that your userland will
2417	  not be making use of it then you may wish to say N here to reduce
2418	  the size & complexity of your kernel.
2419
2420	  If unsure, say Y.
2421
2422config CPU_HAS_WB
2423	bool
2424
2425config XKS01
2426	bool
2427
2428config CPU_HAS_RIXI
2429	bool
2430
2431#
2432# Vectored interrupt mode is an R2 feature
2433#
2434config CPU_MIPSR2_IRQ_VI
2435	bool
2436
2437#
2438# Extended interrupt mode is an R2 feature
2439#
2440config CPU_MIPSR2_IRQ_EI
2441	bool
2442
2443config CPU_HAS_SYNC
2444	bool
2445	depends on !CPU_R3000
2446	default y
2447
2448#
2449# CPU non-features
2450#
2451config CPU_DADDI_WORKAROUNDS
2452	bool
2453
2454config CPU_R4000_WORKAROUNDS
2455	bool
2456	select CPU_R4400_WORKAROUNDS
2457
2458config CPU_R4400_WORKAROUNDS
2459	bool
2460
2461config MIPS_ASID_SHIFT
2462	int
2463	default 6 if CPU_R3000 || CPU_TX39XX
2464	default 4 if CPU_R8000
2465	default 0
2466
2467config MIPS_ASID_BITS
2468	int
2469	default 0 if MIPS_ASID_BITS_VARIABLE
2470	default 6 if CPU_R3000 || CPU_TX39XX
2471	default 8
2472
2473config MIPS_ASID_BITS_VARIABLE
2474	bool
2475
2476#
2477# - Highmem only makes sense for the 32-bit kernel.
2478# - The current highmem code will only work properly on physically indexed
2479#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2480#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2481#   moment we protect the user and offer the highmem option only on machines
2482#   where it's known to be safe.  This will not offer highmem on a few systems
2483#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2484#   indexed CPUs but we're playing safe.
2485# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2486#   know they might have memory configurations that could make use of highmem
2487#   support.
2488#
2489config HIGHMEM
2490	bool "High Memory Support"
2491	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2492
2493config CPU_SUPPORTS_HIGHMEM
2494	bool
2495
2496config SYS_SUPPORTS_HIGHMEM
2497	bool
2498
2499config SYS_SUPPORTS_SMARTMIPS
2500	bool
2501
2502config SYS_SUPPORTS_MICROMIPS
2503	bool
2504
2505config SYS_SUPPORTS_MIPS16
2506	bool
2507	help
2508	  This option must be set if a kernel might be executed on a MIPS16-
2509	  enabled CPU even if MIPS16 is not actually being used.  In other
2510	  words, it makes the kernel MIPS16-tolerant.
2511
2512config CPU_SUPPORTS_MSA
2513	bool
2514
2515config ARCH_FLATMEM_ENABLE
2516	def_bool y
2517	depends on !NUMA && !CPU_LOONGSON2
2518
2519config ARCH_DISCONTIGMEM_ENABLE
2520	bool
2521	default y if SGI_IP27
2522	help
2523	  Say Y to support efficient handling of discontiguous physical memory,
2524	  for architectures which are either NUMA (Non-Uniform Memory Access)
2525	  or have huge holes in the physical address space for other reasons.
2526	  See <file:Documentation/vm/numa> for more.
2527
2528config ARCH_SPARSEMEM_ENABLE
2529	bool
2530	select SPARSEMEM_STATIC
2531
2532config NUMA
2533	bool "NUMA Support"
2534	depends on SYS_SUPPORTS_NUMA
2535	help
2536	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2537	  Access).  This option improves performance on systems with more
2538	  than two nodes; on two node systems it is generally better to
2539	  leave it disabled; on single node systems disable this option
2540	  disabled.
2541
2542config SYS_SUPPORTS_NUMA
2543	bool
2544
2545config RELOCATABLE
2546	bool "Relocatable kernel"
2547	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6)
2548	help
2549	  This builds a kernel image that retains relocation information
2550	  so it can be loaded someplace besides the default 1MB.
2551	  The relocations make the kernel binary about 15% larger,
2552	  but are discarded at runtime
2553
2554config RELOCATION_TABLE_SIZE
2555	hex "Relocation table size"
2556	depends on RELOCATABLE
2557	range 0x0 0x01000000
2558	default "0x00100000"
2559	---help---
2560	  A table of relocation data will be appended to the kernel binary
2561	  and parsed at boot to fix up the relocated kernel.
2562
2563	  This option allows the amount of space reserved for the table to be
2564	  adjusted, although the default of 1Mb should be ok in most cases.
2565
2566	  The build will fail and a valid size suggested if this is too small.
2567
2568	  If unsure, leave at the default value.
2569
2570config RANDOMIZE_BASE
2571	bool "Randomize the address of the kernel image"
2572	depends on RELOCATABLE
2573	---help---
2574	   Randomizes the physical and virtual address at which the
2575	   kernel image is loaded, as a security feature that
2576	   deters exploit attempts relying on knowledge of the location
2577	   of kernel internals.
2578
2579	   Entropy is generated using any coprocessor 0 registers available.
2580
2581	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2582
2583	   If unsure, say N.
2584
2585config RANDOMIZE_BASE_MAX_OFFSET
2586	hex "Maximum kASLR offset" if EXPERT
2587	depends on RANDOMIZE_BASE
2588	range 0x0 0x40000000 if EVA || 64BIT
2589	range 0x0 0x08000000
2590	default "0x01000000"
2591	---help---
2592	  When kASLR is active, this provides the maximum offset that will
2593	  be applied to the kernel image. It should be set according to the
2594	  amount of physical RAM available in the target system minus
2595	  PHYSICAL_START and must be a power of 2.
2596
2597	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2598	  EVA or 64-bit. The default is 16Mb.
2599
2600config NODES_SHIFT
2601	int
2602	default "6"
2603	depends on NEED_MULTIPLE_NODES
2604
2605config HW_PERF_EVENTS
2606	bool "Enable hardware performance counter support for perf events"
2607	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2608	default y
2609	help
2610	  Enable hardware performance counter support for perf events. If
2611	  disabled, perf events will use software events only.
2612
2613source "mm/Kconfig"
2614
2615config SMP
2616	bool "Multi-Processing support"
2617	depends on SYS_SUPPORTS_SMP
2618	help
2619	  This enables support for systems with more than one CPU. If you have
2620	  a system with only one CPU, say N. If you have a system with more
2621	  than one CPU, say Y.
2622
2623	  If you say N here, the kernel will run on uni- and multiprocessor
2624	  machines, but will use only one CPU of a multiprocessor machine. If
2625	  you say Y here, the kernel will run on many, but not all,
2626	  uniprocessor machines. On a uniprocessor machine, the kernel
2627	  will run faster if you say N here.
2628
2629	  People using multiprocessor machines who say Y here should also say
2630	  Y to "Enhanced Real Time Clock Support", below.
2631
2632	  See also the SMP-HOWTO available at
2633	  <http://www.tldp.org/docs.html#howto>.
2634
2635	  If you don't know what to do here, say N.
2636
2637config SMP_UP
2638	bool
2639
2640config SYS_SUPPORTS_MIPS_CMP
2641	bool
2642
2643config SYS_SUPPORTS_MIPS_CPS
2644	bool
2645
2646config SYS_SUPPORTS_SMP
2647	bool
2648
2649config NR_CPUS_DEFAULT_4
2650	bool
2651
2652config NR_CPUS_DEFAULT_8
2653	bool
2654
2655config NR_CPUS_DEFAULT_16
2656	bool
2657
2658config NR_CPUS_DEFAULT_32
2659	bool
2660
2661config NR_CPUS_DEFAULT_64
2662	bool
2663
2664config NR_CPUS
2665	int "Maximum number of CPUs (2-256)"
2666	range 2 256
2667	depends on SMP
2668	default "4" if NR_CPUS_DEFAULT_4
2669	default "8" if NR_CPUS_DEFAULT_8
2670	default "16" if NR_CPUS_DEFAULT_16
2671	default "32" if NR_CPUS_DEFAULT_32
2672	default "64" if NR_CPUS_DEFAULT_64
2673	help
2674	  This allows you to specify the maximum number of CPUs which this
2675	  kernel will support.  The maximum supported value is 32 for 32-bit
2676	  kernel and 64 for 64-bit kernels; the minimum value which makes
2677	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2678	  and 2 for all others.
2679
2680	  This is purely to save memory - each supported CPU adds
2681	  approximately eight kilobytes to the kernel image.  For best
2682	  performance should round up your number of processors to the next
2683	  power of two.
2684
2685config MIPS_PERF_SHARED_TC_COUNTERS
2686	bool
2687
2688#
2689# Timer Interrupt Frequency Configuration
2690#
2691
2692choice
2693	prompt "Timer frequency"
2694	default HZ_250
2695	help
2696	 Allows the configuration of the timer frequency.
2697
2698	config HZ_24
2699		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2700
2701	config HZ_48
2702		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2703
2704	config HZ_100
2705		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2706
2707	config HZ_128
2708		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2709
2710	config HZ_250
2711		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2712
2713	config HZ_256
2714		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2715
2716	config HZ_1000
2717		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2718
2719	config HZ_1024
2720		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2721
2722endchoice
2723
2724config SYS_SUPPORTS_24HZ
2725	bool
2726
2727config SYS_SUPPORTS_48HZ
2728	bool
2729
2730config SYS_SUPPORTS_100HZ
2731	bool
2732
2733config SYS_SUPPORTS_128HZ
2734	bool
2735
2736config SYS_SUPPORTS_250HZ
2737	bool
2738
2739config SYS_SUPPORTS_256HZ
2740	bool
2741
2742config SYS_SUPPORTS_1000HZ
2743	bool
2744
2745config SYS_SUPPORTS_1024HZ
2746	bool
2747
2748config SYS_SUPPORTS_ARBIT_HZ
2749	bool
2750	default y if !SYS_SUPPORTS_24HZ && \
2751		     !SYS_SUPPORTS_48HZ && \
2752		     !SYS_SUPPORTS_100HZ && \
2753		     !SYS_SUPPORTS_128HZ && \
2754		     !SYS_SUPPORTS_250HZ && \
2755		     !SYS_SUPPORTS_256HZ && \
2756		     !SYS_SUPPORTS_1000HZ && \
2757		     !SYS_SUPPORTS_1024HZ
2758
2759config HZ
2760	int
2761	default 24 if HZ_24
2762	default 48 if HZ_48
2763	default 100 if HZ_100
2764	default 128 if HZ_128
2765	default 250 if HZ_250
2766	default 256 if HZ_256
2767	default 1000 if HZ_1000
2768	default 1024 if HZ_1024
2769
2770config SCHED_HRTICK
2771	def_bool HIGH_RES_TIMERS
2772
2773source "kernel/Kconfig.preempt"
2774
2775config KEXEC
2776	bool "Kexec system call"
2777	select KEXEC_CORE
2778	help
2779	  kexec is a system call that implements the ability to shutdown your
2780	  current kernel, and to start another kernel.  It is like a reboot
2781	  but it is independent of the system firmware.   And like a reboot
2782	  you can start any kernel with it, not just Linux.
2783
2784	  The name comes from the similarity to the exec system call.
2785
2786	  It is an ongoing process to be certain the hardware in a machine
2787	  is properly shutdown, so do not be surprised if this code does not
2788	  initially work for you.  As of this writing the exact hardware
2789	  interface is strongly in flux, so no good recommendation can be
2790	  made.
2791
2792config CRASH_DUMP
2793	  bool "Kernel crash dumps"
2794	  help
2795	  Generate crash dump after being started by kexec.
2796	  This should be normally only set in special crash dump kernels
2797	  which are loaded in the main kernel with kexec-tools into
2798	  a specially reserved region and then later executed after
2799	  a crash by kdump/kexec. The crash dump kernel must be compiled
2800	  to a memory address not used by the main kernel or firmware using
2801	  PHYSICAL_START.
2802
2803config PHYSICAL_START
2804	  hex "Physical address where the kernel is loaded"
2805	  default "0xffffffff84000000" if 64BIT
2806	  default "0x84000000" if 32BIT
2807	  depends on CRASH_DUMP
2808	  help
2809	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2810	  If you plan to use kernel for capturing the crash dump change
2811	  this value to start of the reserved region (the "X" value as
2812	  specified in the "crashkernel=YM@XM" command line boot parameter
2813	  passed to the panic-ed kernel).
2814
2815config SECCOMP
2816	bool "Enable seccomp to safely compute untrusted bytecode"
2817	depends on PROC_FS
2818	default y
2819	help
2820	  This kernel feature is useful for number crunching applications
2821	  that may need to compute untrusted bytecode during their
2822	  execution. By using pipes or other transports made available to
2823	  the process as file descriptors supporting the read/write
2824	  syscalls, it's possible to isolate those applications in
2825	  their own address space using seccomp. Once seccomp is
2826	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2827	  and the task is only allowed to execute a few safe syscalls
2828	  defined by each seccomp mode.
2829
2830	  If unsure, say Y. Only embedded should say N here.
2831
2832config MIPS_O32_FP64_SUPPORT
2833	bool "Support for O32 binaries using 64-bit FP"
2834	depends on 32BIT || MIPS32_O32
2835	help
2836	  When this is enabled, the kernel will support use of 64-bit floating
2837	  point registers with binaries using the O32 ABI along with the
2838	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2839	  32-bit MIPS systems this support is at the cost of increasing the
2840	  size and complexity of the compiled FPU emulator. Thus if you are
2841	  running a MIPS32 system and know that none of your userland binaries
2842	  will require 64-bit floating point, you may wish to reduce the size
2843	  of your kernel & potentially improve FP emulation performance by
2844	  saying N here.
2845
2846	  Although binutils currently supports use of this flag the details
2847	  concerning its effect upon the O32 ABI in userland are still being
2848	  worked on. In order to avoid userland becoming dependant upon current
2849	  behaviour before the details have been finalised, this option should
2850	  be considered experimental and only enabled by those working upon
2851	  said details.
2852
2853	  If unsure, say N.
2854
2855config USE_OF
2856	bool
2857	select OF
2858	select OF_EARLY_FLATTREE
2859	select IRQ_DOMAIN
2860
2861config BUILTIN_DTB
2862	bool
2863
2864choice
2865	prompt "Kernel appended dtb support" if USE_OF
2866	default MIPS_NO_APPENDED_DTB
2867
2868	config MIPS_NO_APPENDED_DTB
2869		bool "None"
2870		help
2871		  Do not enable appended dtb support.
2872
2873	config MIPS_ELF_APPENDED_DTB
2874		bool "vmlinux"
2875		help
2876		  With this option, the boot code will look for a device tree binary
2877		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2878		  it is empty and the DTB can be appended using binutils command
2879		  objcopy:
2880
2881		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2882
2883		  This is meant as a backward compatiblity convenience for those
2884		  systems with a bootloader that can't be upgraded to accommodate
2885		  the documented boot protocol using a device tree.
2886
2887	config MIPS_RAW_APPENDED_DTB
2888		bool "vmlinux.bin"
2889		help
2890		  With this option, the boot code will look for a device tree binary
2891		  DTB) appended to raw vmlinux.bin (without decompressor).
2892		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2893
2894		  This is meant as a backward compatibility convenience for those
2895		  systems with a bootloader that can't be upgraded to accommodate
2896		  the documented boot protocol using a device tree.
2897
2898		  Beware that there is very little in terms of protection against
2899		  this option being confused by leftover garbage in memory that might
2900		  look like a DTB header after a reboot if no actual DTB is appended
2901		  to vmlinux.bin.  Do not leave this option active in a production kernel
2902		  if you don't intend to always append a DTB.
2903
2904	config MIPS_ZBOOT_APPENDED_DTB
2905		bool "vmlinuz.bin"
2906		depends on SYS_SUPPORTS_ZBOOT
2907		help
2908		  With this option, the boot code will look for a device tree binary
2909		  DTB) appended to raw vmlinuz.bin (with decompressor).
2910		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2911
2912		  This is meant as a backward compatibility convenience for those
2913		  systems with a bootloader that can't be upgraded to accommodate
2914		  the documented boot protocol using a device tree.
2915
2916		  Beware that there is very little in terms of protection against
2917		  this option being confused by leftover garbage in memory that might
2918		  look like a DTB header after a reboot if no actual DTB is appended
2919		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2920		  if you don't intend to always append a DTB.
2921endchoice
2922
2923choice
2924	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2925	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2926					 !MIPS_MALTA && !MIPS_SEAD3 && \
2927					 !CAVIUM_OCTEON_SOC
2928	default MIPS_CMDLINE_FROM_BOOTLOADER
2929
2930	config MIPS_CMDLINE_FROM_DTB
2931		depends on USE_OF
2932		bool "Dtb kernel arguments if available"
2933
2934	config MIPS_CMDLINE_DTB_EXTEND
2935		depends on USE_OF
2936		bool "Extend dtb kernel arguments with bootloader arguments"
2937
2938	config MIPS_CMDLINE_FROM_BOOTLOADER
2939		bool "Bootloader kernel arguments if available"
2940
2941	config MIPS_CMDLINE_BUILTIN_EXTEND
2942		depends on CMDLINE_BOOL
2943		bool "Extend builtin kernel arguments with bootloader arguments"
2944endchoice
2945
2946endmenu
2947
2948config LOCKDEP_SUPPORT
2949	bool
2950	default y
2951
2952config STACKTRACE_SUPPORT
2953	bool
2954	default y
2955
2956config HAVE_LATENCYTOP_SUPPORT
2957	bool
2958	default y
2959
2960config PGTABLE_LEVELS
2961	int
2962	default 3 if 64BIT && !PAGE_SIZE_64KB
2963	default 2
2964
2965source "init/Kconfig"
2966
2967source "kernel/Kconfig.freezer"
2968
2969menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2970
2971config HW_HAS_EISA
2972	bool
2973config HW_HAS_PCI
2974	bool
2975
2976config PCI
2977	bool "Support for PCI controller"
2978	depends on HW_HAS_PCI
2979	select PCI_DOMAINS
2980	select NO_GENERIC_PCI_IOPORT_MAP
2981	help
2982	  Find out whether you have a PCI motherboard. PCI is the name of a
2983	  bus system, i.e. the way the CPU talks to the other stuff inside
2984	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2985	  say Y, otherwise N.
2986
2987config HT_PCI
2988	bool "Support for HT-linked PCI"
2989	default y
2990	depends on CPU_LOONGSON3
2991	select PCI
2992	select PCI_DOMAINS
2993	help
2994	  Loongson family machines use Hyper-Transport bus for inter-core
2995	  connection and device connection. The PCI bus is a subordinate
2996	  linked at HT. Choose Y for Loongson-3 based machines.
2997
2998config PCI_DOMAINS
2999	bool
3000
3001source "drivers/pci/Kconfig"
3002
3003#
3004# ISA support is now enabled via select.  Too many systems still have the one
3005# or other ISA chip on the board that users don't know about so don't expect
3006# users to choose the right thing ...
3007#
3008config ISA
3009	bool
3010
3011config EISA
3012	bool "EISA support"
3013	depends on HW_HAS_EISA
3014	select ISA
3015	select GENERIC_ISA_DMA
3016	---help---
3017	  The Extended Industry Standard Architecture (EISA) bus was
3018	  developed as an open alternative to the IBM MicroChannel bus.
3019
3020	  The EISA bus provided some of the features of the IBM MicroChannel
3021	  bus while maintaining backward compatibility with cards made for
3022	  the older ISA bus.  The EISA bus saw limited use between 1988 and
3023	  1995 when it was made obsolete by the PCI bus.
3024
3025	  Say Y here if you are building a kernel for an EISA-based machine.
3026
3027	  Otherwise, say N.
3028
3029source "drivers/eisa/Kconfig"
3030
3031config TC
3032	bool "TURBOchannel support"
3033	depends on MACH_DECSTATION
3034	help
3035	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3036	  processors.  TURBOchannel programming specifications are available
3037	  at:
3038	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3039	  and:
3040	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3041	  Linux driver support status is documented at:
3042	  <http://www.linux-mips.org/wiki/DECstation>
3043
3044config MMU
3045	bool
3046	default y
3047
3048config I8253
3049	bool
3050	select CLKSRC_I8253
3051	select CLKEVT_I8253
3052	select MIPS_EXTERNAL_TIMER
3053
3054config ZONE_DMA
3055	bool
3056
3057config ZONE_DMA32
3058	bool
3059
3060source "drivers/pcmcia/Kconfig"
3061
3062config RAPIDIO
3063	tristate "RapidIO support"
3064	depends on PCI
3065	default n
3066	help
3067	  If you say Y here, the kernel will include drivers and
3068	  infrastructure code to support RapidIO interconnect devices.
3069
3070source "drivers/rapidio/Kconfig"
3071
3072endmenu
3073
3074menu "Executable file formats"
3075
3076source "fs/Kconfig.binfmt"
3077
3078config TRAD_SIGNALS
3079	bool
3080
3081config MIPS32_COMPAT
3082	bool
3083
3084config COMPAT
3085	bool
3086
3087config SYSVIPC_COMPAT
3088	bool
3089
3090config MIPS32_O32
3091	bool "Kernel support for o32 binaries"
3092	depends on 64BIT
3093	select ARCH_WANT_OLD_COMPAT_IPC
3094	select COMPAT
3095	select MIPS32_COMPAT
3096	select SYSVIPC_COMPAT if SYSVIPC
3097	help
3098	  Select this option if you want to run o32 binaries.  These are pure
3099	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3100	  existing binaries are in this format.
3101
3102	  If unsure, say Y.
3103
3104config MIPS32_N32
3105	bool "Kernel support for n32 binaries"
3106	depends on 64BIT
3107	select COMPAT
3108	select MIPS32_COMPAT
3109	select SYSVIPC_COMPAT if SYSVIPC
3110	help
3111	  Select this option if you want to run n32 binaries.  These are
3112	  64-bit binaries using 32-bit quantities for addressing and certain
3113	  data that would normally be 64-bit.  They are used in special
3114	  cases.
3115
3116	  If unsure, say N.
3117
3118config BINFMT_ELF32
3119	bool
3120	default y if MIPS32_O32 || MIPS32_N32
3121	select ELFCORE
3122
3123endmenu
3124
3125menu "Power management options"
3126
3127config ARCH_HIBERNATION_POSSIBLE
3128	def_bool y
3129	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3130
3131config ARCH_SUSPEND_POSSIBLE
3132	def_bool y
3133	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3134
3135source "kernel/power/Kconfig"
3136
3137endmenu
3138
3139config MIPS_EXTERNAL_TIMER
3140	bool
3141
3142menu "CPU Power Management"
3143
3144if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3145source "drivers/cpufreq/Kconfig"
3146endif
3147
3148source "drivers/cpuidle/Kconfig"
3149
3150endmenu
3151
3152source "net/Kconfig"
3153
3154source "drivers/Kconfig"
3155
3156source "drivers/firmware/Kconfig"
3157
3158source "fs/Kconfig"
3159
3160source "arch/mips/Kconfig.debug"
3161
3162source "security/Kconfig"
3163
3164source "crypto/Kconfig"
3165
3166source "lib/Kconfig"
3167
3168source "arch/mips/kvm/Kconfig"
3169