xref: /openbmc/linux/arch/mips/Kconfig (revision 110e6f26)
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_BPF_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 VIRT_TO_BUS
52	select MODULES_USE_ELF_REL if MODULES
53	select MODULES_USE_ELF_RELA if MODULES && 64BIT
54	select CLONE_BACKWARDS
55	select HAVE_DEBUG_STACKOVERFLOW
56	select HAVE_CC_STACKPROTECTOR
57	select CPU_PM if CPU_IDLE
58	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
59	select ARCH_BINFMT_ELF_STATE
60	select SYSCTL_EXCEPTION_TRACE
61	select HAVE_VIRT_CPU_ACCOUNTING_GEN
62	select HAVE_IRQ_TIME_ACCOUNTING
63	select GENERIC_TIME_VSYSCALL
64	select ARCH_CLOCKSOURCE_DATA
65
66menu "Machine selection"
67
68choice
69	prompt "System type"
70	default SGI_IP22
71
72config MIPS_ALCHEMY
73	bool "Alchemy processor based machines"
74	select ARCH_PHYS_ADDR_T_64BIT
75	select CEVT_R4K
76	select CSRC_R4K
77	select IRQ_MIPS_CPU
78	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
79	select SYS_HAS_CPU_MIPS32_R1
80	select SYS_SUPPORTS_32BIT_KERNEL
81	select SYS_SUPPORTS_APM_EMULATION
82	select ARCH_REQUIRE_GPIOLIB
83	select SYS_SUPPORTS_ZBOOT
84	select COMMON_CLK
85
86config AR7
87	bool "Texas Instruments AR7"
88	select BOOT_ELF32
89	select DMA_NONCOHERENT
90	select CEVT_R4K
91	select CSRC_R4K
92	select IRQ_MIPS_CPU
93	select NO_EXCEPT_FILL
94	select SWAP_IO_SPACE
95	select SYS_HAS_CPU_MIPS32_R1
96	select SYS_HAS_EARLY_PRINTK
97	select SYS_SUPPORTS_32BIT_KERNEL
98	select SYS_SUPPORTS_LITTLE_ENDIAN
99	select SYS_SUPPORTS_MIPS16
100	select SYS_SUPPORTS_ZBOOT_UART16550
101	select ARCH_REQUIRE_GPIOLIB
102	select VLYNQ
103	select HAVE_CLK
104	help
105	  Support for the Texas Instruments AR7 System-on-a-Chip
106	  family: TNETD7100, 7200 and 7300.
107
108config ATH25
109	bool "Atheros AR231x/AR531x SoC support"
110	select CEVT_R4K
111	select CSRC_R4K
112	select DMA_NONCOHERENT
113	select IRQ_MIPS_CPU
114	select IRQ_DOMAIN
115	select SYS_HAS_CPU_MIPS32_R1
116	select SYS_SUPPORTS_BIG_ENDIAN
117	select SYS_SUPPORTS_32BIT_KERNEL
118	select SYS_HAS_EARLY_PRINTK
119	help
120	  Support for Atheros AR231x and Atheros AR531x based boards
121
122config ATH79
123	bool "Atheros AR71XX/AR724X/AR913X based boards"
124	select ARCH_HAS_RESET_CONTROLLER
125	select ARCH_REQUIRE_GPIOLIB
126	select BOOT_RAW
127	select CEVT_R4K
128	select CSRC_R4K
129	select DMA_NONCOHERENT
130	select HAVE_CLK
131	select COMMON_CLK
132	select CLKDEV_LOOKUP
133	select IRQ_MIPS_CPU
134	select MIPS_MACHINE
135	select SYS_HAS_CPU_MIPS32_R2
136	select SYS_HAS_EARLY_PRINTK
137	select SYS_SUPPORTS_32BIT_KERNEL
138	select SYS_SUPPORTS_BIG_ENDIAN
139	select SYS_SUPPORTS_MIPS16
140	select SYS_SUPPORTS_ZBOOT
141	select USE_OF
142	help
143	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
144
145config BMIPS_GENERIC
146	bool "Broadcom Generic BMIPS kernel"
147	select BOOT_RAW
148	select NO_EXCEPT_FILL
149	select USE_OF
150	select CEVT_R4K
151	select CSRC_R4K
152	select SYNC_R4K
153	select COMMON_CLK
154	select BCM6345_L1_IRQ
155	select BCM7038_L1_IRQ
156	select BCM7120_L2_IRQ
157	select BRCMSTB_L2_IRQ
158	select IRQ_MIPS_CPU
159	select DMA_NONCOHERENT
160	select SYS_SUPPORTS_32BIT_KERNEL
161	select SYS_SUPPORTS_LITTLE_ENDIAN
162	select SYS_SUPPORTS_BIG_ENDIAN
163	select SYS_SUPPORTS_HIGHMEM
164	select SYS_HAS_CPU_BMIPS32_3300
165	select SYS_HAS_CPU_BMIPS4350
166	select SYS_HAS_CPU_BMIPS4380
167	select SYS_HAS_CPU_BMIPS5000
168	select SWAP_IO_SPACE
169	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
170	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
171	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
172	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
173	select ARCH_WANT_OPTIONAL_GPIOLIB
174	help
175	  Build a generic DT-based kernel image that boots on select
176	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
177	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
178	  must be set appropriately for your board.
179
180config BCM47XX
181	bool "Broadcom BCM47XX based boards"
182	select ARCH_WANT_OPTIONAL_GPIOLIB
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	help
200	 Support for BCM47XX based boards
201
202config BCM63XX
203	bool "Broadcom BCM63XX based boards"
204	select BOOT_RAW
205	select CEVT_R4K
206	select CSRC_R4K
207	select SYNC_R4K
208	select DMA_NONCOHERENT
209	select IRQ_MIPS_CPU
210	select SYS_SUPPORTS_32BIT_KERNEL
211	select SYS_SUPPORTS_BIG_ENDIAN
212	select SYS_HAS_EARLY_PRINTK
213	select SWAP_IO_SPACE
214	select ARCH_REQUIRE_GPIOLIB
215	select HAVE_CLK
216	select MIPS_L1_CACHE_SHIFT_4
217	help
218	 Support for BCM63XX based boards
219
220config MIPS_COBALT
221	bool "Cobalt Server"
222	select CEVT_R4K
223	select CSRC_R4K
224	select CEVT_GT641XX
225	select DMA_NONCOHERENT
226	select HW_HAS_PCI
227	select I8253
228	select I8259
229	select IRQ_MIPS_CPU
230	select IRQ_GT641XX
231	select PCI_GT64XXX_PCI0
232	select PCI
233	select SYS_HAS_CPU_NEVADA
234	select SYS_HAS_EARLY_PRINTK
235	select SYS_SUPPORTS_32BIT_KERNEL
236	select SYS_SUPPORTS_64BIT_KERNEL
237	select SYS_SUPPORTS_LITTLE_ENDIAN
238	select USE_GENERIC_EARLY_PRINTK_8250
239
240config MACH_DECSTATION
241	bool "DECstations"
242	select BOOT_ELF32
243	select CEVT_DS1287
244	select CEVT_R4K if CPU_R4X00
245	select CSRC_IOASIC
246	select CSRC_R4K if CPU_R4X00
247	select CPU_DADDI_WORKAROUNDS if 64BIT
248	select CPU_R4000_WORKAROUNDS if 64BIT
249	select CPU_R4400_WORKAROUNDS if 64BIT
250	select DMA_NONCOHERENT
251	select NO_IOPORT_MAP
252	select IRQ_MIPS_CPU
253	select SYS_HAS_CPU_R3000
254	select SYS_HAS_CPU_R4X00
255	select SYS_SUPPORTS_32BIT_KERNEL
256	select SYS_SUPPORTS_64BIT_KERNEL
257	select SYS_SUPPORTS_LITTLE_ENDIAN
258	select SYS_SUPPORTS_128HZ
259	select SYS_SUPPORTS_256HZ
260	select SYS_SUPPORTS_1024HZ
261	select MIPS_L1_CACHE_SHIFT_4
262	help
263	  This enables support for DEC's MIPS based workstations.  For details
264	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
265	  DECstation porting pages on <http://decstation.unix-ag.org/>.
266
267	  If you have one of the following DECstation Models you definitely
268	  want to choose R4xx0 for the CPU Type:
269
270		DECstation 5000/50
271		DECstation 5000/150
272		DECstation 5000/260
273		DECsystem 5900/260
274
275	  otherwise choose R3000.
276
277config MACH_JAZZ
278	bool "Jazz family of machines"
279	select FW_ARC
280	select FW_ARC32
281	select ARCH_MAY_HAVE_PC_FDC
282	select CEVT_R4K
283	select CSRC_R4K
284	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
285	select GENERIC_ISA_DMA
286	select HAVE_PCSPKR_PLATFORM
287	select IRQ_MIPS_CPU
288	select I8253
289	select I8259
290	select ISA
291	select SYS_HAS_CPU_R4X00
292	select SYS_SUPPORTS_32BIT_KERNEL
293	select SYS_SUPPORTS_64BIT_KERNEL
294	select SYS_SUPPORTS_100HZ
295	help
296	 This a family of machines based on the MIPS R4030 chipset which was
297	 used by several vendors to build RISC/os and Windows NT workstations.
298	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
299	 Olivetti M700-10 workstations.
300
301config MACH_INGENIC
302	bool "Ingenic SoC based machines"
303	select SYS_SUPPORTS_32BIT_KERNEL
304	select SYS_SUPPORTS_LITTLE_ENDIAN
305	select SYS_SUPPORTS_ZBOOT_UART16550
306	select DMA_NONCOHERENT
307	select IRQ_MIPS_CPU
308	select ARCH_REQUIRE_GPIOLIB
309	select COMMON_CLK
310	select GENERIC_IRQ_CHIP
311	select BUILTIN_DTB
312	select USE_OF
313	select LIBFDT
314
315config LANTIQ
316	bool "Lantiq based platforms"
317	select DMA_NONCOHERENT
318	select IRQ_MIPS_CPU
319	select CEVT_R4K
320	select CSRC_R4K
321	select SYS_HAS_CPU_MIPS32_R1
322	select SYS_HAS_CPU_MIPS32_R2
323	select SYS_SUPPORTS_BIG_ENDIAN
324	select SYS_SUPPORTS_32BIT_KERNEL
325	select SYS_SUPPORTS_MIPS16
326	select SYS_SUPPORTS_MULTITHREADING
327	select SYS_HAS_EARLY_PRINTK
328	select ARCH_REQUIRE_GPIOLIB
329	select SWAP_IO_SPACE
330	select BOOT_RAW
331	select CLKDEV_LOOKUP
332	select USE_OF
333	select PINCTRL
334	select PINCTRL_LANTIQ
335	select ARCH_HAS_RESET_CONTROLLER
336	select RESET_CONTROLLER
337
338config LASAT
339	bool "LASAT Networks platforms"
340	select CEVT_R4K
341	select CRC32
342	select CSRC_R4K
343	select DMA_NONCOHERENT
344	select SYS_HAS_EARLY_PRINTK
345	select HW_HAS_PCI
346	select IRQ_MIPS_CPU
347	select PCI_GT64XXX_PCI0
348	select MIPS_NILE4
349	select R5000_CPU_SCACHE
350	select SYS_HAS_CPU_R5000
351	select SYS_SUPPORTS_32BIT_KERNEL
352	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
353	select SYS_SUPPORTS_LITTLE_ENDIAN
354
355config MACH_LOONGSON32
356	bool "Loongson-1 family of machines"
357	select SYS_SUPPORTS_ZBOOT
358	help
359	  This enables support for the Loongson-1 family of machines.
360
361	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
362	  the Institute of Computing Technology (ICT), Chinese Academy of
363	  Sciences (CAS).
364
365config MACH_LOONGSON64
366	bool "Loongson-2/3 family of machines"
367	select SYS_SUPPORTS_ZBOOT
368	help
369	  This enables the support of Loongson-2/3 family of machines.
370
371	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
372	  family of multi-core CPUs. They are both 64-bit general-purpose
373	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
374	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
375	  in the People's Republic of China. The chief architect is Professor
376	  Weiwu Hu.
377
378config MACH_PISTACHIO
379	bool "IMG Pistachio SoC based boards"
380	select ARCH_REQUIRE_GPIOLIB
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 IRQ_MIPS_CPU
389	select LIBFDT
390	select MFD_SYSCON
391	select MIPS_CPU_SCACHE
392	select MIPS_GIC
393	select PINCTRL
394	select REGULATOR
395	select SYS_HAS_CPU_MIPS32_R2
396	select SYS_SUPPORTS_32BIT_KERNEL
397	select SYS_SUPPORTS_LITTLE_ENDIAN
398	select SYS_SUPPORTS_MIPS_CPS
399	select SYS_SUPPORTS_MULTITHREADING
400	select SYS_SUPPORTS_ZBOOT
401	select SYS_HAS_EARLY_PRINTK
402	select USE_GENERIC_EARLY_PRINTK_8250
403	select USE_OF
404	help
405	  This enables support for the IMG Pistachio SoC platform.
406
407config MACH_XILFPGA
408	bool "MIPSfpga Xilinx based boards"
409	select ARCH_REQUIRE_GPIOLIB
410	select BOOT_ELF32
411	select BOOT_RAW
412	select BUILTIN_DTB
413	select CEVT_R4K
414	select COMMON_CLK
415	select CSRC_R4K
416	select IRQ_MIPS_CPU
417	select LIBFDT
418	select MIPS_CPU_SCACHE
419	select SYS_HAS_EARLY_PRINTK
420	select SYS_HAS_CPU_MIPS32_R2
421	select SYS_SUPPORTS_32BIT_KERNEL
422	select SYS_SUPPORTS_LITTLE_ENDIAN
423	select SYS_SUPPORTS_ZBOOT_UART16550
424	select USE_OF
425	select USE_GENERIC_EARLY_PRINTK_8250
426	help
427	  This enables support for the IMG University Program MIPSfpga platform.
428
429config MIPS_MALTA
430	bool "MIPS Malta board"
431	select ARCH_MAY_HAVE_PC_FDC
432	select BOOT_ELF32
433	select BOOT_RAW
434	select BUILTIN_DTB
435	select CEVT_R4K
436	select CSRC_R4K
437	select CLKSRC_MIPS_GIC
438	select COMMON_CLK
439	select DMA_MAYBE_COHERENT
440	select GENERIC_ISA_DMA
441	select HAVE_PCSPKR_PLATFORM
442	select IRQ_MIPS_CPU
443	select MIPS_GIC
444	select HW_HAS_PCI
445	select I8253
446	select I8259
447	select MIPS_BONITO64
448	select MIPS_CPU_SCACHE
449	select MIPS_L1_CACHE_SHIFT_6
450	select PCI_GT64XXX_PCI0
451	select MIPS_MSC
452	select SMP_UP if SMP
453	select SWAP_IO_SPACE
454	select SYS_HAS_CPU_MIPS32_R1
455	select SYS_HAS_CPU_MIPS32_R2
456	select SYS_HAS_CPU_MIPS32_R3_5
457	select SYS_HAS_CPU_MIPS32_R5
458	select SYS_HAS_CPU_MIPS32_R6
459	select SYS_HAS_CPU_MIPS64_R1
460	select SYS_HAS_CPU_MIPS64_R2
461	select SYS_HAS_CPU_MIPS64_R6
462	select SYS_HAS_CPU_NEVADA
463	select SYS_HAS_CPU_RM7000
464	select SYS_SUPPORTS_32BIT_KERNEL
465	select SYS_SUPPORTS_64BIT_KERNEL
466	select SYS_SUPPORTS_BIG_ENDIAN
467	select SYS_SUPPORTS_HIGHMEM
468	select SYS_SUPPORTS_LITTLE_ENDIAN
469	select SYS_SUPPORTS_MICROMIPS
470	select SYS_SUPPORTS_MIPS_CMP
471	select SYS_SUPPORTS_MIPS_CPS
472	select SYS_SUPPORTS_MIPS16
473	select SYS_SUPPORTS_MULTITHREADING
474	select SYS_SUPPORTS_SMARTMIPS
475	select SYS_SUPPORTS_ZBOOT
476	select USE_OF
477	select ZONE_DMA32 if 64BIT
478	select BUILTIN_DTB
479	select LIBFDT
480	help
481	  This enables support for the MIPS Technologies Malta evaluation
482	  board.
483
484config MACH_PIC32
485	bool "Microchip PIC32 Family"
486	help
487	  This enables support for the Microchip PIC32 family of platforms.
488
489	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
490	  microcontrollers.
491
492config MIPS_SEAD3
493	bool "MIPS SEAD3 board"
494	select BOOT_ELF32
495	select BOOT_RAW
496	select BUILTIN_DTB
497	select CEVT_R4K
498	select CSRC_R4K
499	select CLKSRC_MIPS_GIC
500	select COMMON_CLK
501	select CPU_MIPSR2_IRQ_VI
502	select CPU_MIPSR2_IRQ_EI
503	select DMA_NONCOHERENT
504	select IRQ_MIPS_CPU
505	select MIPS_GIC
506	select LIBFDT
507	select MIPS_MSC
508	select SYS_HAS_CPU_MIPS32_R1
509	select SYS_HAS_CPU_MIPS32_R2
510	select SYS_HAS_CPU_MIPS64_R1
511	select SYS_HAS_EARLY_PRINTK
512	select SYS_SUPPORTS_32BIT_KERNEL
513	select SYS_SUPPORTS_64BIT_KERNEL
514	select SYS_SUPPORTS_BIG_ENDIAN
515	select SYS_SUPPORTS_LITTLE_ENDIAN
516	select SYS_SUPPORTS_SMARTMIPS
517	select SYS_SUPPORTS_MICROMIPS
518	select SYS_SUPPORTS_MIPS16
519	select USB_EHCI_BIG_ENDIAN_DESC
520	select USB_EHCI_BIG_ENDIAN_MMIO
521	select USE_OF
522	help
523	  This enables support for the MIPS Technologies SEAD3 evaluation
524	  board.
525
526config NEC_MARKEINS
527	bool "NEC EMMA2RH Mark-eins board"
528	select SOC_EMMA2RH
529	select HW_HAS_PCI
530	help
531	  This enables support for the NEC Electronics Mark-eins boards.
532
533config MACH_VR41XX
534	bool "NEC VR4100 series based machines"
535	select CEVT_R4K
536	select CSRC_R4K
537	select SYS_HAS_CPU_VR41XX
538	select SYS_SUPPORTS_MIPS16
539	select ARCH_REQUIRE_GPIOLIB
540
541config NXP_STB220
542	bool "NXP STB220 board"
543	select SOC_PNX833X
544	help
545	 Support for NXP Semiconductors STB220 Development Board.
546
547config NXP_STB225
548	bool "NXP 225 board"
549	select SOC_PNX833X
550	select SOC_PNX8335
551	help
552	 Support for NXP Semiconductors STB225 Development Board.
553
554config PMC_MSP
555	bool "PMC-Sierra MSP chipsets"
556	select CEVT_R4K
557	select CSRC_R4K
558	select DMA_NONCOHERENT
559	select SWAP_IO_SPACE
560	select NO_EXCEPT_FILL
561	select BOOT_RAW
562	select SYS_HAS_CPU_MIPS32_R1
563	select SYS_HAS_CPU_MIPS32_R2
564	select SYS_SUPPORTS_32BIT_KERNEL
565	select SYS_SUPPORTS_BIG_ENDIAN
566	select SYS_SUPPORTS_MIPS16
567	select IRQ_MIPS_CPU
568	select SERIAL_8250
569	select SERIAL_8250_CONSOLE
570	select USB_EHCI_BIG_ENDIAN_MMIO
571	select USB_EHCI_BIG_ENDIAN_DESC
572	help
573	  This adds support for the PMC-Sierra family of Multi-Service
574	  Processor System-On-A-Chips.  These parts include a number
575	  of integrated peripherals, interfaces and DSPs in addition to
576	  a variety of MIPS cores.
577
578config RALINK
579	bool "Ralink based machines"
580	select CEVT_R4K
581	select CSRC_R4K
582	select BOOT_RAW
583	select DMA_NONCOHERENT
584	select IRQ_MIPS_CPU
585	select USE_OF
586	select SYS_HAS_CPU_MIPS32_R1
587	select SYS_HAS_CPU_MIPS32_R2
588	select SYS_SUPPORTS_32BIT_KERNEL
589	select SYS_SUPPORTS_LITTLE_ENDIAN
590	select SYS_SUPPORTS_MIPS16
591	select SYS_HAS_EARLY_PRINTK
592	select CLKDEV_LOOKUP
593	select ARCH_HAS_RESET_CONTROLLER
594	select RESET_CONTROLLER
595
596config SGI_IP22
597	bool "SGI IP22 (Indy/Indigo2)"
598	select FW_ARC
599	select FW_ARC32
600	select BOOT_ELF32
601	select CEVT_R4K
602	select CSRC_R4K
603	select DEFAULT_SGI_PARTITION
604	select DMA_NONCOHERENT
605	select HW_HAS_EISA
606	select I8253
607	select I8259
608	select IP22_CPU_SCACHE
609	select IRQ_MIPS_CPU
610	select GENERIC_ISA_DMA_SUPPORT_BROKEN
611	select SGI_HAS_I8042
612	select SGI_HAS_INDYDOG
613	select SGI_HAS_HAL2
614	select SGI_HAS_SEEQ
615	select SGI_HAS_WD93
616	select SGI_HAS_ZILOG
617	select SWAP_IO_SPACE
618	select SYS_HAS_CPU_R4X00
619	select SYS_HAS_CPU_R5000
620	#
621	# Disable EARLY_PRINTK for now since it leads to overwritten prom
622	# memory during early boot on some machines.
623	#
624	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
625	# for a more details discussion
626	#
627	# select SYS_HAS_EARLY_PRINTK
628	select SYS_SUPPORTS_32BIT_KERNEL
629	select SYS_SUPPORTS_64BIT_KERNEL
630	select SYS_SUPPORTS_BIG_ENDIAN
631	select MIPS_L1_CACHE_SHIFT_7
632	help
633	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
634	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
635	  that runs on these, say Y here.
636
637config SGI_IP27
638	bool "SGI IP27 (Origin200/2000)"
639	select FW_ARC
640	select FW_ARC64
641	select BOOT_ELF64
642	select DEFAULT_SGI_PARTITION
643	select DMA_COHERENT
644	select SYS_HAS_EARLY_PRINTK
645	select HW_HAS_PCI
646	select NR_CPUS_DEFAULT_64
647	select SYS_HAS_CPU_R10000
648	select SYS_SUPPORTS_64BIT_KERNEL
649	select SYS_SUPPORTS_BIG_ENDIAN
650	select SYS_SUPPORTS_NUMA
651	select SYS_SUPPORTS_SMP
652	select MIPS_L1_CACHE_SHIFT_7
653	help
654	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
655	  workstations.  To compile a Linux kernel that runs on these, say Y
656	  here.
657
658config SGI_IP28
659	bool "SGI IP28 (Indigo2 R10k)"
660	select FW_ARC
661	select FW_ARC64
662	select BOOT_ELF64
663	select CEVT_R4K
664	select CSRC_R4K
665	select DEFAULT_SGI_PARTITION
666	select DMA_NONCOHERENT
667	select GENERIC_ISA_DMA_SUPPORT_BROKEN
668	select IRQ_MIPS_CPU
669	select HW_HAS_EISA
670	select I8253
671	select I8259
672	select SGI_HAS_I8042
673	select SGI_HAS_INDYDOG
674	select SGI_HAS_HAL2
675	select SGI_HAS_SEEQ
676	select SGI_HAS_WD93
677	select SGI_HAS_ZILOG
678	select SWAP_IO_SPACE
679	select SYS_HAS_CPU_R10000
680	#
681	# Disable EARLY_PRINTK for now since it leads to overwritten prom
682	# memory during early boot on some machines.
683	#
684	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
685	# for a more details discussion
686	#
687	# select SYS_HAS_EARLY_PRINTK
688	select SYS_SUPPORTS_64BIT_KERNEL
689	select SYS_SUPPORTS_BIG_ENDIAN
690	select MIPS_L1_CACHE_SHIFT_7
691      help
692        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
693        kernel that runs on these, say Y here.
694
695config SGI_IP32
696	bool "SGI IP32 (O2)"
697	select FW_ARC
698	select FW_ARC32
699	select BOOT_ELF32
700	select CEVT_R4K
701	select CSRC_R4K
702	select DMA_NONCOHERENT
703	select HW_HAS_PCI
704	select IRQ_MIPS_CPU
705	select R5000_CPU_SCACHE
706	select RM7000_CPU_SCACHE
707	select SYS_HAS_CPU_R5000
708	select SYS_HAS_CPU_R10000 if BROKEN
709	select SYS_HAS_CPU_RM7000
710	select SYS_HAS_CPU_NEVADA
711	select SYS_SUPPORTS_64BIT_KERNEL
712	select SYS_SUPPORTS_BIG_ENDIAN
713	help
714	  If you want this kernel to run on SGI O2 workstation, say Y here.
715
716config SIBYTE_CRHINE
717	bool "Sibyte BCM91120C-CRhine"
718	select BOOT_ELF32
719	select DMA_COHERENT
720	select SIBYTE_BCM1120
721	select SWAP_IO_SPACE
722	select SYS_HAS_CPU_SB1
723	select SYS_SUPPORTS_BIG_ENDIAN
724	select SYS_SUPPORTS_LITTLE_ENDIAN
725
726config SIBYTE_CARMEL
727	bool "Sibyte BCM91120x-Carmel"
728	select BOOT_ELF32
729	select DMA_COHERENT
730	select SIBYTE_BCM1120
731	select SWAP_IO_SPACE
732	select SYS_HAS_CPU_SB1
733	select SYS_SUPPORTS_BIG_ENDIAN
734	select SYS_SUPPORTS_LITTLE_ENDIAN
735
736config SIBYTE_CRHONE
737	bool "Sibyte BCM91125C-CRhone"
738	select BOOT_ELF32
739	select DMA_COHERENT
740	select SIBYTE_BCM1125
741	select SWAP_IO_SPACE
742	select SYS_HAS_CPU_SB1
743	select SYS_SUPPORTS_BIG_ENDIAN
744	select SYS_SUPPORTS_HIGHMEM
745	select SYS_SUPPORTS_LITTLE_ENDIAN
746
747config SIBYTE_RHONE
748	bool "Sibyte BCM91125E-Rhone"
749	select BOOT_ELF32
750	select DMA_COHERENT
751	select SIBYTE_BCM1125H
752	select SWAP_IO_SPACE
753	select SYS_HAS_CPU_SB1
754	select SYS_SUPPORTS_BIG_ENDIAN
755	select SYS_SUPPORTS_LITTLE_ENDIAN
756
757config SIBYTE_SWARM
758	bool "Sibyte BCM91250A-SWARM"
759	select BOOT_ELF32
760	select DMA_COHERENT
761	select HAVE_PATA_PLATFORM
762	select SIBYTE_SB1250
763	select SWAP_IO_SPACE
764	select SYS_HAS_CPU_SB1
765	select SYS_SUPPORTS_BIG_ENDIAN
766	select SYS_SUPPORTS_HIGHMEM
767	select SYS_SUPPORTS_LITTLE_ENDIAN
768	select ZONE_DMA32 if 64BIT
769
770config SIBYTE_LITTLESUR
771	bool "Sibyte BCM91250C2-LittleSur"
772	select BOOT_ELF32
773	select DMA_COHERENT
774	select HAVE_PATA_PLATFORM
775	select SIBYTE_SB1250
776	select SWAP_IO_SPACE
777	select SYS_HAS_CPU_SB1
778	select SYS_SUPPORTS_BIG_ENDIAN
779	select SYS_SUPPORTS_HIGHMEM
780	select SYS_SUPPORTS_LITTLE_ENDIAN
781
782config SIBYTE_SENTOSA
783	bool "Sibyte BCM91250E-Sentosa"
784	select BOOT_ELF32
785	select DMA_COHERENT
786	select SIBYTE_SB1250
787	select SWAP_IO_SPACE
788	select SYS_HAS_CPU_SB1
789	select SYS_SUPPORTS_BIG_ENDIAN
790	select SYS_SUPPORTS_LITTLE_ENDIAN
791
792config SIBYTE_BIGSUR
793	bool "Sibyte BCM91480B-BigSur"
794	select BOOT_ELF32
795	select DMA_COHERENT
796	select NR_CPUS_DEFAULT_4
797	select SIBYTE_BCM1x80
798	select SWAP_IO_SPACE
799	select SYS_HAS_CPU_SB1
800	select SYS_SUPPORTS_BIG_ENDIAN
801	select SYS_SUPPORTS_HIGHMEM
802	select SYS_SUPPORTS_LITTLE_ENDIAN
803	select ZONE_DMA32 if 64BIT
804
805config SNI_RM
806	bool "SNI RM200/300/400"
807	select FW_ARC if CPU_LITTLE_ENDIAN
808	select FW_ARC32 if CPU_LITTLE_ENDIAN
809	select FW_SNIPROM if CPU_BIG_ENDIAN
810	select ARCH_MAY_HAVE_PC_FDC
811	select BOOT_ELF32
812	select CEVT_R4K
813	select CSRC_R4K
814	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
815	select DMA_NONCOHERENT
816	select GENERIC_ISA_DMA
817	select HAVE_PCSPKR_PLATFORM
818	select HW_HAS_EISA
819	select HW_HAS_PCI
820	select IRQ_MIPS_CPU
821	select I8253
822	select I8259
823	select ISA
824	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
825	select SYS_HAS_CPU_R4X00
826	select SYS_HAS_CPU_R5000
827	select SYS_HAS_CPU_R10000
828	select R5000_CPU_SCACHE
829	select SYS_HAS_EARLY_PRINTK
830	select SYS_SUPPORTS_32BIT_KERNEL
831	select SYS_SUPPORTS_64BIT_KERNEL
832	select SYS_SUPPORTS_BIG_ENDIAN
833	select SYS_SUPPORTS_HIGHMEM
834	select SYS_SUPPORTS_LITTLE_ENDIAN
835	help
836	  The SNI RM200/300/400 are MIPS-based machines manufactured by
837	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
838	  Technology and now in turn merged with Fujitsu.  Say Y here to
839	  support this machine type.
840
841config MACH_TX39XX
842	bool "Toshiba TX39 series based machines"
843
844config MACH_TX49XX
845	bool "Toshiba TX49 series based machines"
846
847config MIKROTIK_RB532
848	bool "Mikrotik RB532 boards"
849	select CEVT_R4K
850	select CSRC_R4K
851	select DMA_NONCOHERENT
852	select HW_HAS_PCI
853	select IRQ_MIPS_CPU
854	select SYS_HAS_CPU_MIPS32_R1
855	select SYS_SUPPORTS_32BIT_KERNEL
856	select SYS_SUPPORTS_LITTLE_ENDIAN
857	select SWAP_IO_SPACE
858	select BOOT_RAW
859	select ARCH_REQUIRE_GPIOLIB
860	select MIPS_L1_CACHE_SHIFT_4
861	help
862	  Support the Mikrotik(tm) RouterBoard 532 series,
863	  based on the IDT RC32434 SoC.
864
865config CAVIUM_OCTEON_SOC
866	bool "Cavium Networks Octeon SoC based boards"
867	select CEVT_R4K
868	select ARCH_PHYS_ADDR_T_64BIT
869	select DMA_COHERENT
870	select SYS_SUPPORTS_64BIT_KERNEL
871	select SYS_SUPPORTS_BIG_ENDIAN
872	select EDAC_SUPPORT
873	select EDAC_ATOMIC_SCRUB
874	select SYS_SUPPORTS_LITTLE_ENDIAN
875	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
876	select SYS_HAS_EARLY_PRINTK
877	select SYS_HAS_CPU_CAVIUM_OCTEON
878	select SWAP_IO_SPACE
879	select HW_HAS_PCI
880	select ZONE_DMA32
881	select HOLES_IN_ZONE
882	select ARCH_REQUIRE_GPIOLIB
883	select LIBFDT
884	select USE_OF
885	select ARCH_SPARSEMEM_ENABLE
886	select SYS_SUPPORTS_SMP
887	select NR_CPUS_DEFAULT_16
888	select BUILTIN_DTB
889	select MTD_COMPLEX_MAPPINGS
890	help
891	  This option supports all of the Octeon reference boards from Cavium
892	  Networks. It builds a kernel that dynamically determines the Octeon
893	  CPU type and supports all known board reference implementations.
894	  Some of the supported boards are:
895		EBT3000
896		EBH3000
897		EBH3100
898		Thunder
899		Kodama
900		Hikari
901	  Say Y here for most Octeon reference boards.
902
903config NLM_XLR_BOARD
904	bool "Netlogic XLR/XLS based systems"
905	select BOOT_ELF32
906	select NLM_COMMON
907	select SYS_HAS_CPU_XLR
908	select SYS_SUPPORTS_SMP
909	select HW_HAS_PCI
910	select SWAP_IO_SPACE
911	select SYS_SUPPORTS_32BIT_KERNEL
912	select SYS_SUPPORTS_64BIT_KERNEL
913	select ARCH_PHYS_ADDR_T_64BIT
914	select SYS_SUPPORTS_BIG_ENDIAN
915	select SYS_SUPPORTS_HIGHMEM
916	select DMA_COHERENT
917	select NR_CPUS_DEFAULT_32
918	select CEVT_R4K
919	select CSRC_R4K
920	select IRQ_MIPS_CPU
921	select ZONE_DMA32 if 64BIT
922	select SYNC_R4K
923	select SYS_HAS_EARLY_PRINTK
924	select SYS_SUPPORTS_ZBOOT
925	select SYS_SUPPORTS_ZBOOT_UART16550
926	help
927	  Support for systems based on Netlogic XLR and XLS processors.
928	  Say Y here if you have a XLR or XLS based board.
929
930config NLM_XLP_BOARD
931	bool "Netlogic XLP based systems"
932	select BOOT_ELF32
933	select NLM_COMMON
934	select SYS_HAS_CPU_XLP
935	select SYS_SUPPORTS_SMP
936	select HW_HAS_PCI
937	select SYS_SUPPORTS_32BIT_KERNEL
938	select SYS_SUPPORTS_64BIT_KERNEL
939	select ARCH_PHYS_ADDR_T_64BIT
940	select ARCH_REQUIRE_GPIOLIB
941	select SYS_SUPPORTS_BIG_ENDIAN
942	select SYS_SUPPORTS_LITTLE_ENDIAN
943	select SYS_SUPPORTS_HIGHMEM
944	select DMA_COHERENT
945	select NR_CPUS_DEFAULT_32
946	select CEVT_R4K
947	select CSRC_R4K
948	select IRQ_MIPS_CPU
949	select ZONE_DMA32 if 64BIT
950	select SYNC_R4K
951	select SYS_HAS_EARLY_PRINTK
952	select USE_OF
953	select SYS_SUPPORTS_ZBOOT
954	select SYS_SUPPORTS_ZBOOT_UART16550
955	help
956	  This board is based on Netlogic XLP Processor.
957	  Say Y here if you have a XLP based board.
958
959config MIPS_PARAVIRT
960	bool "Para-Virtualized guest system"
961	select CEVT_R4K
962	select CSRC_R4K
963	select DMA_COHERENT
964	select SYS_SUPPORTS_64BIT_KERNEL
965	select SYS_SUPPORTS_32BIT_KERNEL
966	select SYS_SUPPORTS_BIG_ENDIAN
967	select SYS_SUPPORTS_SMP
968	select NR_CPUS_DEFAULT_4
969	select SYS_HAS_EARLY_PRINTK
970	select SYS_HAS_CPU_MIPS32_R2
971	select SYS_HAS_CPU_MIPS64_R2
972	select SYS_HAS_CPU_CAVIUM_OCTEON
973	select HW_HAS_PCI
974	select SWAP_IO_SPACE
975	help
976	  This option supports guest running under ????
977
978endchoice
979
980source "arch/mips/alchemy/Kconfig"
981source "arch/mips/ath25/Kconfig"
982source "arch/mips/ath79/Kconfig"
983source "arch/mips/bcm47xx/Kconfig"
984source "arch/mips/bcm63xx/Kconfig"
985source "arch/mips/bmips/Kconfig"
986source "arch/mips/jazz/Kconfig"
987source "arch/mips/jz4740/Kconfig"
988source "arch/mips/lantiq/Kconfig"
989source "arch/mips/lasat/Kconfig"
990source "arch/mips/pic32/Kconfig"
991source "arch/mips/pistachio/Kconfig"
992source "arch/mips/pmcs-msp71xx/Kconfig"
993source "arch/mips/ralink/Kconfig"
994source "arch/mips/sgi-ip27/Kconfig"
995source "arch/mips/sibyte/Kconfig"
996source "arch/mips/txx9/Kconfig"
997source "arch/mips/vr41xx/Kconfig"
998source "arch/mips/cavium-octeon/Kconfig"
999source "arch/mips/loongson32/Kconfig"
1000source "arch/mips/loongson64/Kconfig"
1001source "arch/mips/netlogic/Kconfig"
1002source "arch/mips/paravirt/Kconfig"
1003source "arch/mips/xilfpga/Kconfig"
1004
1005endmenu
1006
1007config RWSEM_GENERIC_SPINLOCK
1008	bool
1009	default y
1010
1011config RWSEM_XCHGADD_ALGORITHM
1012	bool
1013
1014config ARCH_HAS_ILOG2_U32
1015	bool
1016	default n
1017
1018config ARCH_HAS_ILOG2_U64
1019	bool
1020	default n
1021
1022config GENERIC_HWEIGHT
1023	bool
1024	default y
1025
1026config GENERIC_CALIBRATE_DELAY
1027	bool
1028	default y
1029
1030config SCHED_OMIT_FRAME_POINTER
1031	bool
1032	default y
1033
1034#
1035# Select some configuration options automatically based on user selections.
1036#
1037config FW_ARC
1038	bool
1039
1040config ARCH_MAY_HAVE_PC_FDC
1041	bool
1042
1043config BOOT_RAW
1044	bool
1045
1046config CEVT_BCM1480
1047	bool
1048
1049config CEVT_DS1287
1050	bool
1051
1052config CEVT_GT641XX
1053	bool
1054
1055config CEVT_R4K
1056	bool
1057
1058config CEVT_SB1250
1059	bool
1060
1061config CEVT_TXX9
1062	bool
1063
1064config CSRC_BCM1480
1065	bool
1066
1067config CSRC_IOASIC
1068	bool
1069
1070config CSRC_R4K
1071	bool
1072
1073config CSRC_SB1250
1074	bool
1075
1076config MIPS_CLOCK_VSYSCALL
1077	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1078
1079config GPIO_TXX9
1080	select ARCH_REQUIRE_GPIOLIB
1081	bool
1082
1083config FW_CFE
1084	bool
1085
1086config ARCH_DMA_ADDR_T_64BIT
1087	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1088
1089config ARCH_SUPPORTS_UPROBES
1090	bool
1091
1092config DMA_MAYBE_COHERENT
1093	select DMA_NONCOHERENT
1094	bool
1095
1096config DMA_COHERENT
1097	bool
1098
1099config DMA_NONCOHERENT
1100	bool
1101	select NEED_DMA_MAP_STATE
1102
1103config NEED_DMA_MAP_STATE
1104	bool
1105
1106config SYS_HAS_EARLY_PRINTK
1107	bool
1108
1109config HOTPLUG_CPU
1110	bool "Support for hot-pluggable CPUs"
1111	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1112	help
1113	  Say Y here to allow turning CPUs off and on. CPUs can be
1114	  controlled through /sys/devices/system/cpu.
1115	  (Note: power management support will enable this option
1116	    automatically on SMP systems. )
1117	  Say N if you want to disable CPU hotplug.
1118
1119config SYS_SUPPORTS_HOTPLUG_CPU
1120	bool
1121
1122config MIPS_BONITO64
1123	bool
1124
1125config MIPS_MSC
1126	bool
1127
1128config MIPS_NILE4
1129	bool
1130
1131config SYNC_R4K
1132	bool
1133
1134config MIPS_MACHINE
1135	def_bool n
1136
1137config NO_IOPORT_MAP
1138	def_bool n
1139
1140config GENERIC_CSUM
1141	bool
1142
1143config GENERIC_ISA_DMA
1144	bool
1145	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1146	select ISA_DMA_API
1147
1148config GENERIC_ISA_DMA_SUPPORT_BROKEN
1149	bool
1150	select GENERIC_ISA_DMA
1151
1152config ISA_DMA_API
1153	bool
1154
1155config HOLES_IN_ZONE
1156	bool
1157
1158#
1159# Endianness selection.  Sufficiently obscure so many users don't know what to
1160# answer,so we try hard to limit the available choices.  Also the use of a
1161# choice statement should be more obvious to the user.
1162#
1163choice
1164	prompt "Endianness selection"
1165	help
1166	  Some MIPS machines can be configured for either little or big endian
1167	  byte order. These modes require different kernels and a different
1168	  Linux distribution.  In general there is one preferred byteorder for a
1169	  particular system but some systems are just as commonly used in the
1170	  one or the other endianness.
1171
1172config CPU_BIG_ENDIAN
1173	bool "Big endian"
1174	depends on SYS_SUPPORTS_BIG_ENDIAN
1175
1176config CPU_LITTLE_ENDIAN
1177	bool "Little endian"
1178	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1179
1180endchoice
1181
1182config EXPORT_UASM
1183	bool
1184
1185config SYS_SUPPORTS_APM_EMULATION
1186	bool
1187
1188config SYS_SUPPORTS_BIG_ENDIAN
1189	bool
1190
1191config SYS_SUPPORTS_LITTLE_ENDIAN
1192	bool
1193
1194config SYS_SUPPORTS_HUGETLBFS
1195	bool
1196	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1197	default y
1198
1199config MIPS_HUGE_TLB_SUPPORT
1200	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1201
1202config IRQ_CPU_RM7K
1203	bool
1204
1205config IRQ_MSP_SLP
1206	bool
1207
1208config IRQ_MSP_CIC
1209	bool
1210
1211config IRQ_TXX9
1212	bool
1213
1214config IRQ_GT641XX
1215	bool
1216
1217config PCI_GT64XXX_PCI0
1218	bool
1219
1220config NO_EXCEPT_FILL
1221	bool
1222
1223config SOC_EMMA2RH
1224	bool
1225	select CEVT_R4K
1226	select CSRC_R4K
1227	select DMA_NONCOHERENT
1228	select IRQ_MIPS_CPU
1229	select SWAP_IO_SPACE
1230	select SYS_HAS_CPU_R5500
1231	select SYS_SUPPORTS_32BIT_KERNEL
1232	select SYS_SUPPORTS_64BIT_KERNEL
1233	select SYS_SUPPORTS_BIG_ENDIAN
1234
1235config SOC_PNX833X
1236	bool
1237	select CEVT_R4K
1238	select CSRC_R4K
1239	select IRQ_MIPS_CPU
1240	select DMA_NONCOHERENT
1241	select SYS_HAS_CPU_MIPS32_R2
1242	select SYS_SUPPORTS_32BIT_KERNEL
1243	select SYS_SUPPORTS_LITTLE_ENDIAN
1244	select SYS_SUPPORTS_BIG_ENDIAN
1245	select SYS_SUPPORTS_MIPS16
1246	select CPU_MIPSR2_IRQ_VI
1247
1248config SOC_PNX8335
1249	bool
1250	select SOC_PNX833X
1251
1252config MIPS_SPRAM
1253	bool
1254
1255config SWAP_IO_SPACE
1256	bool
1257
1258config SGI_HAS_INDYDOG
1259	bool
1260
1261config SGI_HAS_HAL2
1262	bool
1263
1264config SGI_HAS_SEEQ
1265	bool
1266
1267config SGI_HAS_WD93
1268	bool
1269
1270config SGI_HAS_ZILOG
1271	bool
1272
1273config SGI_HAS_I8042
1274	bool
1275
1276config DEFAULT_SGI_PARTITION
1277	bool
1278
1279config FW_ARC32
1280	bool
1281
1282config FW_SNIPROM
1283	bool
1284
1285config BOOT_ELF32
1286	bool
1287
1288config MIPS_L1_CACHE_SHIFT_4
1289	bool
1290
1291config MIPS_L1_CACHE_SHIFT_5
1292	bool
1293
1294config MIPS_L1_CACHE_SHIFT_6
1295	bool
1296
1297config MIPS_L1_CACHE_SHIFT_7
1298	bool
1299
1300config MIPS_L1_CACHE_SHIFT
1301	int
1302	default "7" if MIPS_L1_CACHE_SHIFT_7
1303	default "6" if MIPS_L1_CACHE_SHIFT_6
1304	default "5" if MIPS_L1_CACHE_SHIFT_5
1305	default "4" if MIPS_L1_CACHE_SHIFT_4
1306	default "5"
1307
1308config HAVE_STD_PC_SERIAL_PORT
1309	bool
1310
1311config ARC_CONSOLE
1312	bool "ARC console support"
1313	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1314
1315config ARC_MEMORY
1316	bool
1317	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1318	default y
1319
1320config ARC_PROMLIB
1321	bool
1322	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1323	default y
1324
1325config FW_ARC64
1326	bool
1327
1328config BOOT_ELF64
1329	bool
1330
1331menu "CPU selection"
1332
1333choice
1334	prompt "CPU type"
1335	default CPU_R4X00
1336
1337config CPU_LOONGSON3
1338	bool "Loongson 3 CPU"
1339	depends on SYS_HAS_CPU_LOONGSON3
1340	select CPU_SUPPORTS_64BIT_KERNEL
1341	select CPU_SUPPORTS_HIGHMEM
1342	select CPU_SUPPORTS_HUGEPAGES
1343	select WEAK_ORDERING
1344	select WEAK_REORDERING_BEYOND_LLSC
1345	select ARCH_REQUIRE_GPIOLIB
1346	help
1347		The Loongson 3 processor implements the MIPS64R2 instruction
1348		set with many extensions.
1349
1350config CPU_LOONGSON2E
1351	bool "Loongson 2E"
1352	depends on SYS_HAS_CPU_LOONGSON2E
1353	select CPU_LOONGSON2
1354	help
1355	  The Loongson 2E processor implements the MIPS III instruction set
1356	  with many extensions.
1357
1358	  It has an internal FPGA northbridge, which is compatible to
1359	  bonito64.
1360
1361config CPU_LOONGSON2F
1362	bool "Loongson 2F"
1363	depends on SYS_HAS_CPU_LOONGSON2F
1364	select CPU_LOONGSON2
1365	select ARCH_REQUIRE_GPIOLIB
1366	help
1367	  The Loongson 2F processor implements the MIPS III instruction set
1368	  with many extensions.
1369
1370	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1371	  have a similar programming interface with FPGA northbridge used in
1372	  Loongson2E.
1373
1374config CPU_LOONGSON1B
1375	bool "Loongson 1B"
1376	depends on SYS_HAS_CPU_LOONGSON1B
1377	select CPU_LOONGSON1
1378	help
1379	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1380	  release 2 instruction set.
1381
1382config CPU_MIPS32_R1
1383	bool "MIPS32 Release 1"
1384	depends on SYS_HAS_CPU_MIPS32_R1
1385	select CPU_HAS_PREFETCH
1386	select CPU_SUPPORTS_32BIT_KERNEL
1387	select CPU_SUPPORTS_HIGHMEM
1388	help
1389	  Choose this option to build a kernel for release 1 or later of the
1390	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1391	  MIPS processor are based on a MIPS32 processor.  If you know the
1392	  specific type of processor in your system, choose those that one
1393	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1394	  Release 2 of the MIPS32 architecture is available since several
1395	  years so chances are you even have a MIPS32 Release 2 processor
1396	  in which case you should choose CPU_MIPS32_R2 instead for better
1397	  performance.
1398
1399config CPU_MIPS32_R2
1400	bool "MIPS32 Release 2"
1401	depends on SYS_HAS_CPU_MIPS32_R2
1402	select CPU_HAS_PREFETCH
1403	select CPU_SUPPORTS_32BIT_KERNEL
1404	select CPU_SUPPORTS_HIGHMEM
1405	select CPU_SUPPORTS_MSA
1406	select HAVE_KVM
1407	help
1408	  Choose this option to build a kernel for release 2 or later of the
1409	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1410	  MIPS processor are based on a MIPS32 processor.  If you know the
1411	  specific type of processor in your system, choose those that one
1412	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1413
1414config CPU_MIPS32_R6
1415	bool "MIPS32 Release 6"
1416	depends on SYS_HAS_CPU_MIPS32_R6
1417	select CPU_HAS_PREFETCH
1418	select CPU_SUPPORTS_32BIT_KERNEL
1419	select CPU_SUPPORTS_HIGHMEM
1420	select CPU_SUPPORTS_MSA
1421	select GENERIC_CSUM
1422	select HAVE_KVM
1423	select MIPS_O32_FP64_SUPPORT
1424	help
1425	  Choose this option to build a kernel for release 6 or later of the
1426	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1427	  family, are based on a MIPS32r6 processor. If you own an older
1428	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1429
1430config CPU_MIPS64_R1
1431	bool "MIPS64 Release 1"
1432	depends on SYS_HAS_CPU_MIPS64_R1
1433	select CPU_HAS_PREFETCH
1434	select CPU_SUPPORTS_32BIT_KERNEL
1435	select CPU_SUPPORTS_64BIT_KERNEL
1436	select CPU_SUPPORTS_HIGHMEM
1437	select CPU_SUPPORTS_HUGEPAGES
1438	help
1439	  Choose this option to build a kernel for release 1 or later of the
1440	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1441	  MIPS processor are based on a MIPS64 processor.  If you know the
1442	  specific type of processor in your system, choose those that one
1443	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1444	  Release 2 of the MIPS64 architecture is available since several
1445	  years so chances are you even have a MIPS64 Release 2 processor
1446	  in which case you should choose CPU_MIPS64_R2 instead for better
1447	  performance.
1448
1449config CPU_MIPS64_R2
1450	bool "MIPS64 Release 2"
1451	depends on SYS_HAS_CPU_MIPS64_R2
1452	select CPU_HAS_PREFETCH
1453	select CPU_SUPPORTS_32BIT_KERNEL
1454	select CPU_SUPPORTS_64BIT_KERNEL
1455	select CPU_SUPPORTS_HIGHMEM
1456	select CPU_SUPPORTS_HUGEPAGES
1457	select CPU_SUPPORTS_MSA
1458	help
1459	  Choose this option to build a kernel for release 2 or later of the
1460	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1461	  MIPS processor are based on a MIPS64 processor.  If you know the
1462	  specific type of processor in your system, choose those that one
1463	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1464
1465config CPU_MIPS64_R6
1466	bool "MIPS64 Release 6"
1467	depends on SYS_HAS_CPU_MIPS64_R6
1468	select CPU_HAS_PREFETCH
1469	select CPU_SUPPORTS_32BIT_KERNEL
1470	select CPU_SUPPORTS_64BIT_KERNEL
1471	select CPU_SUPPORTS_HIGHMEM
1472	select CPU_SUPPORTS_MSA
1473	select GENERIC_CSUM
1474	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1475	help
1476	  Choose this option to build a kernel for release 6 or later of the
1477	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1478	  family, are based on a MIPS64r6 processor. If you own an older
1479	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1480
1481config CPU_R3000
1482	bool "R3000"
1483	depends on SYS_HAS_CPU_R3000
1484	select CPU_HAS_WB
1485	select CPU_SUPPORTS_32BIT_KERNEL
1486	select CPU_SUPPORTS_HIGHMEM
1487	help
1488	  Please make sure to pick the right CPU type. Linux/MIPS is not
1489	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1490	  *not* work on R4000 machines and vice versa.  However, since most
1491	  of the supported machines have an R4000 (or similar) CPU, R4x00
1492	  might be a safe bet.  If the resulting kernel does not work,
1493	  try to recompile with R3000.
1494
1495config CPU_TX39XX
1496	bool "R39XX"
1497	depends on SYS_HAS_CPU_TX39XX
1498	select CPU_SUPPORTS_32BIT_KERNEL
1499
1500config CPU_VR41XX
1501	bool "R41xx"
1502	depends on SYS_HAS_CPU_VR41XX
1503	select CPU_SUPPORTS_32BIT_KERNEL
1504	select CPU_SUPPORTS_64BIT_KERNEL
1505	help
1506	  The options selects support for the NEC VR4100 series of processors.
1507	  Only choose this option if you have one of these processors as a
1508	  kernel built with this option will not run on any other type of
1509	  processor or vice versa.
1510
1511config CPU_R4300
1512	bool "R4300"
1513	depends on SYS_HAS_CPU_R4300
1514	select CPU_SUPPORTS_32BIT_KERNEL
1515	select CPU_SUPPORTS_64BIT_KERNEL
1516	help
1517	  MIPS Technologies R4300-series processors.
1518
1519config CPU_R4X00
1520	bool "R4x00"
1521	depends on SYS_HAS_CPU_R4X00
1522	select CPU_SUPPORTS_32BIT_KERNEL
1523	select CPU_SUPPORTS_64BIT_KERNEL
1524	select CPU_SUPPORTS_HUGEPAGES
1525	help
1526	  MIPS Technologies R4000-series processors other than 4300, including
1527	  the R4000, R4400, R4600, and 4700.
1528
1529config CPU_TX49XX
1530	bool "R49XX"
1531	depends on SYS_HAS_CPU_TX49XX
1532	select CPU_HAS_PREFETCH
1533	select CPU_SUPPORTS_32BIT_KERNEL
1534	select CPU_SUPPORTS_64BIT_KERNEL
1535	select CPU_SUPPORTS_HUGEPAGES
1536
1537config CPU_R5000
1538	bool "R5000"
1539	depends on SYS_HAS_CPU_R5000
1540	select CPU_SUPPORTS_32BIT_KERNEL
1541	select CPU_SUPPORTS_64BIT_KERNEL
1542	select CPU_SUPPORTS_HUGEPAGES
1543	help
1544	  MIPS Technologies R5000-series processors other than the Nevada.
1545
1546config CPU_R5432
1547	bool "R5432"
1548	depends on SYS_HAS_CPU_R5432
1549	select CPU_SUPPORTS_32BIT_KERNEL
1550	select CPU_SUPPORTS_64BIT_KERNEL
1551	select CPU_SUPPORTS_HUGEPAGES
1552
1553config CPU_R5500
1554	bool "R5500"
1555	depends on SYS_HAS_CPU_R5500
1556	select CPU_SUPPORTS_32BIT_KERNEL
1557	select CPU_SUPPORTS_64BIT_KERNEL
1558	select CPU_SUPPORTS_HUGEPAGES
1559	help
1560	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1561	  instruction set.
1562
1563config CPU_R6000
1564	bool "R6000"
1565	depends on SYS_HAS_CPU_R6000
1566	select CPU_SUPPORTS_32BIT_KERNEL
1567	help
1568	  MIPS Technologies R6000 and R6000A series processors.  Note these
1569	  processors are extremely rare and the support for them is incomplete.
1570
1571config CPU_NEVADA
1572	bool "RM52xx"
1573	depends on SYS_HAS_CPU_NEVADA
1574	select CPU_SUPPORTS_32BIT_KERNEL
1575	select CPU_SUPPORTS_64BIT_KERNEL
1576	select CPU_SUPPORTS_HUGEPAGES
1577	help
1578	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1579
1580config CPU_R8000
1581	bool "R8000"
1582	depends on SYS_HAS_CPU_R8000
1583	select CPU_HAS_PREFETCH
1584	select CPU_SUPPORTS_64BIT_KERNEL
1585	help
1586	  MIPS Technologies R8000 processors.  Note these processors are
1587	  uncommon and the support for them is incomplete.
1588
1589config CPU_R10000
1590	bool "R10000"
1591	depends on SYS_HAS_CPU_R10000
1592	select CPU_HAS_PREFETCH
1593	select CPU_SUPPORTS_32BIT_KERNEL
1594	select CPU_SUPPORTS_64BIT_KERNEL
1595	select CPU_SUPPORTS_HIGHMEM
1596	select CPU_SUPPORTS_HUGEPAGES
1597	help
1598	  MIPS Technologies R10000-series processors.
1599
1600config CPU_RM7000
1601	bool "RM7000"
1602	depends on SYS_HAS_CPU_RM7000
1603	select CPU_HAS_PREFETCH
1604	select CPU_SUPPORTS_32BIT_KERNEL
1605	select CPU_SUPPORTS_64BIT_KERNEL
1606	select CPU_SUPPORTS_HIGHMEM
1607	select CPU_SUPPORTS_HUGEPAGES
1608
1609config CPU_SB1
1610	bool "SB1"
1611	depends on SYS_HAS_CPU_SB1
1612	select CPU_SUPPORTS_32BIT_KERNEL
1613	select CPU_SUPPORTS_64BIT_KERNEL
1614	select CPU_SUPPORTS_HIGHMEM
1615	select CPU_SUPPORTS_HUGEPAGES
1616	select WEAK_ORDERING
1617
1618config CPU_CAVIUM_OCTEON
1619	bool "Cavium Octeon processor"
1620	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1621	select CPU_HAS_PREFETCH
1622	select CPU_SUPPORTS_64BIT_KERNEL
1623	select WEAK_ORDERING
1624	select CPU_SUPPORTS_HIGHMEM
1625	select CPU_SUPPORTS_HUGEPAGES
1626	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1627	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1628	select MIPS_L1_CACHE_SHIFT_7
1629	help
1630	  The Cavium Octeon processor is a highly integrated chip containing
1631	  many ethernet hardware widgets for networking tasks. The processor
1632	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1633	  Full details can be found at http://www.caviumnetworks.com.
1634
1635config CPU_BMIPS
1636	bool "Broadcom BMIPS"
1637	depends on SYS_HAS_CPU_BMIPS
1638	select CPU_MIPS32
1639	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1640	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1641	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1642	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1643	select CPU_SUPPORTS_32BIT_KERNEL
1644	select DMA_NONCOHERENT
1645	select IRQ_MIPS_CPU
1646	select SWAP_IO_SPACE
1647	select WEAK_ORDERING
1648	select CPU_SUPPORTS_HIGHMEM
1649	select CPU_HAS_PREFETCH
1650	help
1651	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1652
1653config CPU_XLR
1654	bool "Netlogic XLR SoC"
1655	depends on SYS_HAS_CPU_XLR
1656	select CPU_SUPPORTS_32BIT_KERNEL
1657	select CPU_SUPPORTS_64BIT_KERNEL
1658	select CPU_SUPPORTS_HIGHMEM
1659	select CPU_SUPPORTS_HUGEPAGES
1660	select WEAK_ORDERING
1661	select WEAK_REORDERING_BEYOND_LLSC
1662	help
1663	  Netlogic Microsystems XLR/XLS processors.
1664
1665config CPU_XLP
1666	bool "Netlogic XLP SoC"
1667	depends on SYS_HAS_CPU_XLP
1668	select CPU_SUPPORTS_32BIT_KERNEL
1669	select CPU_SUPPORTS_64BIT_KERNEL
1670	select CPU_SUPPORTS_HIGHMEM
1671	select WEAK_ORDERING
1672	select WEAK_REORDERING_BEYOND_LLSC
1673	select CPU_HAS_PREFETCH
1674	select CPU_MIPSR2
1675	select CPU_SUPPORTS_HUGEPAGES
1676	help
1677	  Netlogic Microsystems XLP processors.
1678endchoice
1679
1680config CPU_MIPS32_3_5_FEATURES
1681	bool "MIPS32 Release 3.5 Features"
1682	depends on SYS_HAS_CPU_MIPS32_R3_5
1683	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1684	help
1685	  Choose this option to build a kernel for release 2 or later of the
1686	  MIPS32 architecture including features from the 3.5 release such as
1687	  support for Enhanced Virtual Addressing (EVA).
1688
1689config CPU_MIPS32_3_5_EVA
1690	bool "Enhanced Virtual Addressing (EVA)"
1691	depends on CPU_MIPS32_3_5_FEATURES
1692	select EVA
1693	default y
1694	help
1695	  Choose this option if you want to enable the Enhanced Virtual
1696	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1697	  One of its primary benefits is an increase in the maximum size
1698	  of lowmem (up to 3GB). If unsure, say 'N' here.
1699
1700config CPU_MIPS32_R5_FEATURES
1701	bool "MIPS32 Release 5 Features"
1702	depends on SYS_HAS_CPU_MIPS32_R5
1703	depends on CPU_MIPS32_R2
1704	help
1705	  Choose this option to build a kernel for release 2 or later of the
1706	  MIPS32 architecture including features from release 5 such as
1707	  support for Extended Physical Addressing (XPA).
1708
1709config CPU_MIPS32_R5_XPA
1710	bool "Extended Physical Addressing (XPA)"
1711	depends on CPU_MIPS32_R5_FEATURES
1712	depends on !EVA
1713	depends on !PAGE_SIZE_4KB
1714	depends on SYS_SUPPORTS_HIGHMEM
1715	select XPA
1716	select HIGHMEM
1717	select ARCH_PHYS_ADDR_T_64BIT
1718	default n
1719	help
1720	  Choose this option if you want to enable the Extended Physical
1721	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1722	  benefit is to increase physical addressing equal to or greater
1723	  than 40 bits. Note that this has the side effect of turning on
1724	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1725	  If unsure, say 'N' here.
1726
1727if CPU_LOONGSON2F
1728config CPU_NOP_WORKAROUNDS
1729	bool
1730
1731config CPU_JUMP_WORKAROUNDS
1732	bool
1733
1734config CPU_LOONGSON2F_WORKAROUNDS
1735	bool "Loongson 2F Workarounds"
1736	default y
1737	select CPU_NOP_WORKAROUNDS
1738	select CPU_JUMP_WORKAROUNDS
1739	help
1740	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1741	  require workarounds.  Without workarounds the system may hang
1742	  unexpectedly.  For more information please refer to the gas
1743	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1744
1745	  Loongson 2F03 and later have fixed these issues and no workarounds
1746	  are needed.  The workarounds have no significant side effect on them
1747	  but may decrease the performance of the system so this option should
1748	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1749	  systems.
1750
1751	  If unsure, please say Y.
1752endif # CPU_LOONGSON2F
1753
1754config SYS_SUPPORTS_ZBOOT
1755	bool
1756	select HAVE_KERNEL_GZIP
1757	select HAVE_KERNEL_BZIP2
1758	select HAVE_KERNEL_LZ4
1759	select HAVE_KERNEL_LZMA
1760	select HAVE_KERNEL_LZO
1761	select HAVE_KERNEL_XZ
1762
1763config SYS_SUPPORTS_ZBOOT_UART16550
1764	bool
1765	select SYS_SUPPORTS_ZBOOT
1766
1767config SYS_SUPPORTS_ZBOOT_UART_PROM
1768	bool
1769	select SYS_SUPPORTS_ZBOOT
1770
1771config CPU_LOONGSON2
1772	bool
1773	select CPU_SUPPORTS_32BIT_KERNEL
1774	select CPU_SUPPORTS_64BIT_KERNEL
1775	select CPU_SUPPORTS_HIGHMEM
1776	select CPU_SUPPORTS_HUGEPAGES
1777
1778config CPU_LOONGSON1
1779	bool
1780	select CPU_MIPS32
1781	select CPU_MIPSR2
1782	select CPU_HAS_PREFETCH
1783	select CPU_SUPPORTS_32BIT_KERNEL
1784	select CPU_SUPPORTS_HIGHMEM
1785	select CPU_SUPPORTS_CPUFREQ
1786
1787config CPU_BMIPS32_3300
1788	select SMP_UP if SMP
1789	bool
1790
1791config CPU_BMIPS4350
1792	bool
1793	select SYS_SUPPORTS_SMP
1794	select SYS_SUPPORTS_HOTPLUG_CPU
1795
1796config CPU_BMIPS4380
1797	bool
1798	select MIPS_L1_CACHE_SHIFT_6
1799	select SYS_SUPPORTS_SMP
1800	select SYS_SUPPORTS_HOTPLUG_CPU
1801
1802config CPU_BMIPS5000
1803	bool
1804	select MIPS_CPU_SCACHE
1805	select MIPS_L1_CACHE_SHIFT_7
1806	select SYS_SUPPORTS_SMP
1807	select SYS_SUPPORTS_HOTPLUG_CPU
1808
1809config SYS_HAS_CPU_LOONGSON3
1810	bool
1811	select CPU_SUPPORTS_CPUFREQ
1812
1813config SYS_HAS_CPU_LOONGSON2E
1814	bool
1815
1816config SYS_HAS_CPU_LOONGSON2F
1817	bool
1818	select CPU_SUPPORTS_CPUFREQ
1819	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1820	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1821
1822config SYS_HAS_CPU_LOONGSON1B
1823	bool
1824
1825config SYS_HAS_CPU_MIPS32_R1
1826	bool
1827
1828config SYS_HAS_CPU_MIPS32_R2
1829	bool
1830
1831config SYS_HAS_CPU_MIPS32_R3_5
1832	bool
1833
1834config SYS_HAS_CPU_MIPS32_R5
1835	bool
1836
1837config SYS_HAS_CPU_MIPS32_R6
1838	bool
1839
1840config SYS_HAS_CPU_MIPS64_R1
1841	bool
1842
1843config SYS_HAS_CPU_MIPS64_R2
1844	bool
1845
1846config SYS_HAS_CPU_MIPS64_R6
1847	bool
1848
1849config SYS_HAS_CPU_R3000
1850	bool
1851
1852config SYS_HAS_CPU_TX39XX
1853	bool
1854
1855config SYS_HAS_CPU_VR41XX
1856	bool
1857
1858config SYS_HAS_CPU_R4300
1859	bool
1860
1861config SYS_HAS_CPU_R4X00
1862	bool
1863
1864config SYS_HAS_CPU_TX49XX
1865	bool
1866
1867config SYS_HAS_CPU_R5000
1868	bool
1869
1870config SYS_HAS_CPU_R5432
1871	bool
1872
1873config SYS_HAS_CPU_R5500
1874	bool
1875
1876config SYS_HAS_CPU_R6000
1877	bool
1878
1879config SYS_HAS_CPU_NEVADA
1880	bool
1881
1882config SYS_HAS_CPU_R8000
1883	bool
1884
1885config SYS_HAS_CPU_R10000
1886	bool
1887
1888config SYS_HAS_CPU_RM7000
1889	bool
1890
1891config SYS_HAS_CPU_SB1
1892	bool
1893
1894config SYS_HAS_CPU_CAVIUM_OCTEON
1895	bool
1896
1897config SYS_HAS_CPU_BMIPS
1898	bool
1899
1900config SYS_HAS_CPU_BMIPS32_3300
1901	bool
1902	select SYS_HAS_CPU_BMIPS
1903
1904config SYS_HAS_CPU_BMIPS4350
1905	bool
1906	select SYS_HAS_CPU_BMIPS
1907
1908config SYS_HAS_CPU_BMIPS4380
1909	bool
1910	select SYS_HAS_CPU_BMIPS
1911
1912config SYS_HAS_CPU_BMIPS5000
1913	bool
1914	select SYS_HAS_CPU_BMIPS
1915
1916config SYS_HAS_CPU_XLR
1917	bool
1918
1919config SYS_HAS_CPU_XLP
1920	bool
1921
1922config MIPS_MALTA_PM
1923	depends on MIPS_MALTA
1924	depends on PCI
1925	bool
1926	default y
1927
1928#
1929# CPU may reorder R->R, R->W, W->R, W->W
1930# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1931#
1932config WEAK_ORDERING
1933	bool
1934
1935#
1936# CPU may reorder reads and writes beyond LL/SC
1937# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1938#
1939config WEAK_REORDERING_BEYOND_LLSC
1940	bool
1941endmenu
1942
1943#
1944# These two indicate any level of the MIPS32 and MIPS64 architecture
1945#
1946config CPU_MIPS32
1947	bool
1948	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1949
1950config CPU_MIPS64
1951	bool
1952	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1953
1954#
1955# These two indicate the revision of the architecture, either Release 1 or Release 2
1956#
1957config CPU_MIPSR1
1958	bool
1959	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1960
1961config CPU_MIPSR2
1962	bool
1963	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1964	select MIPS_SPRAM
1965
1966config CPU_MIPSR6
1967	bool
1968	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1969	select MIPS_SPRAM
1970
1971config EVA
1972	bool
1973
1974config XPA
1975	bool
1976
1977config SYS_SUPPORTS_32BIT_KERNEL
1978	bool
1979config SYS_SUPPORTS_64BIT_KERNEL
1980	bool
1981config CPU_SUPPORTS_32BIT_KERNEL
1982	bool
1983config CPU_SUPPORTS_64BIT_KERNEL
1984	bool
1985config CPU_SUPPORTS_CPUFREQ
1986	bool
1987config CPU_SUPPORTS_ADDRWINCFG
1988	bool
1989config CPU_SUPPORTS_HUGEPAGES
1990	bool
1991config CPU_SUPPORTS_UNCACHED_ACCELERATED
1992	bool
1993config MIPS_PGD_C0_CONTEXT
1994	bool
1995	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1996
1997#
1998# Set to y for ptrace access to watch registers.
1999#
2000config HARDWARE_WATCHPOINTS
2001       bool
2002       default y if CPU_MIPSR1 || CPU_MIPSR2
2003
2004menu "Kernel type"
2005
2006choice
2007	prompt "Kernel code model"
2008	help
2009	  You should only select this option if you have a workload that
2010	  actually benefits from 64-bit processing or if your machine has
2011	  large memory.  You will only be presented a single option in this
2012	  menu if your system does not support both 32-bit and 64-bit kernels.
2013
2014config 32BIT
2015	bool "32-bit kernel"
2016	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2017	select TRAD_SIGNALS
2018	help
2019	  Select this option if you want to build a 32-bit kernel.
2020
2021config 64BIT
2022	bool "64-bit kernel"
2023	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2024	help
2025	  Select this option if you want to build a 64-bit kernel.
2026
2027endchoice
2028
2029config KVM_GUEST
2030	bool "KVM Guest Kernel"
2031	depends on BROKEN_ON_SMP
2032	help
2033	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2034	  mode.
2035
2036config KVM_GUEST_TIMER_FREQ
2037	int "Count/Compare Timer Frequency (MHz)"
2038	depends on KVM_GUEST
2039	default 100
2040	help
2041	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2042	  emulation when determining guest CPU Frequency. Instead, the guest's
2043	  timer frequency is specified directly.
2044
2045choice
2046	prompt "Kernel page size"
2047	default PAGE_SIZE_4KB
2048
2049config PAGE_SIZE_4KB
2050	bool "4kB"
2051	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2052	help
2053	 This option select the standard 4kB Linux page size.  On some
2054	 R3000-family processors this is the only available page size.  Using
2055	 4kB page size will minimize memory consumption and is therefore
2056	 recommended for low memory systems.
2057
2058config PAGE_SIZE_8KB
2059	bool "8kB"
2060	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2061	help
2062	  Using 8kB page size will result in higher performance kernel at
2063	  the price of higher memory consumption.  This option is available
2064	  only on R8000 and cnMIPS processors.  Note that you will need a
2065	  suitable Linux distribution to support this.
2066
2067config PAGE_SIZE_16KB
2068	bool "16kB"
2069	depends on !CPU_R3000 && !CPU_TX39XX
2070	help
2071	  Using 16kB page size will result in higher performance kernel at
2072	  the price of higher memory consumption.  This option is available on
2073	  all non-R3000 family processors.  Note that you will need a suitable
2074	  Linux distribution to support this.
2075
2076config PAGE_SIZE_32KB
2077	bool "32kB"
2078	depends on CPU_CAVIUM_OCTEON
2079	help
2080	  Using 32kB page size will result in higher performance kernel at
2081	  the price of higher memory consumption.  This option is available
2082	  only on cnMIPS cores.  Note that you will need a suitable Linux
2083	  distribution to support this.
2084
2085config PAGE_SIZE_64KB
2086	bool "64kB"
2087	depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
2088	help
2089	  Using 64kB page size will result in higher performance kernel at
2090	  the price of higher memory consumption.  This option is available on
2091	  all non-R3000 family processor.  Not that at the time of this
2092	  writing this option is still high experimental.
2093
2094endchoice
2095
2096config FORCE_MAX_ZONEORDER
2097	int "Maximum zone order"
2098	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2099	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2100	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2101	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2102	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2103	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104	range 11 64
2105	default "11"
2106	help
2107	  The kernel memory allocator divides physically contiguous memory
2108	  blocks into "zones", where each zone is a power of two number of
2109	  pages.  This option selects the largest power of two that the kernel
2110	  keeps in the memory allocator.  If you need to allocate very large
2111	  blocks of physically contiguous memory, then you may need to
2112	  increase this value.
2113
2114	  This config option is actually maximum order plus one. For example,
2115	  a value of 11 means that the largest free memory block is 2^10 pages.
2116
2117	  The page size is not necessarily 4KB.  Keep this in mind
2118	  when choosing a value for this option.
2119
2120config BOARD_SCACHE
2121	bool
2122
2123config IP22_CPU_SCACHE
2124	bool
2125	select BOARD_SCACHE
2126
2127#
2128# Support for a MIPS32 / MIPS64 style S-caches
2129#
2130config MIPS_CPU_SCACHE
2131	bool
2132	select BOARD_SCACHE
2133
2134config R5000_CPU_SCACHE
2135	bool
2136	select BOARD_SCACHE
2137
2138config RM7000_CPU_SCACHE
2139	bool
2140	select BOARD_SCACHE
2141
2142config SIBYTE_DMA_PAGEOPS
2143	bool "Use DMA to clear/copy pages"
2144	depends on CPU_SB1
2145	help
2146	  Instead of using the CPU to zero and copy pages, use a Data Mover
2147	  channel.  These DMA channels are otherwise unused by the standard
2148	  SiByte Linux port.  Seems to give a small performance benefit.
2149
2150config CPU_HAS_PREFETCH
2151	bool
2152
2153config CPU_GENERIC_DUMP_TLB
2154	bool
2155	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2156
2157config CPU_R4K_FPU
2158	bool
2159	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2160
2161config CPU_R4K_CACHE_TLB
2162	bool
2163	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2164
2165config MIPS_MT_SMP
2166	bool "MIPS MT SMP support (1 TC on each available VPE)"
2167	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2168	select CPU_MIPSR2_IRQ_VI
2169	select CPU_MIPSR2_IRQ_EI
2170	select SYNC_R4K
2171	select MIPS_MT
2172	select SMP
2173	select SMP_UP
2174	select SYS_SUPPORTS_SMP
2175	select SYS_SUPPORTS_SCHED_SMT
2176	select MIPS_PERF_SHARED_TC_COUNTERS
2177	help
2178	  This is a kernel model which is known as SMVP. This is supported
2179	  on cores with the MT ASE and uses the available VPEs to implement
2180	  virtual processors which supports SMP. This is equivalent to the
2181	  Intel Hyperthreading feature. For further information go to
2182	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2183
2184config MIPS_MT
2185	bool
2186
2187config SCHED_SMT
2188	bool "SMT (multithreading) scheduler support"
2189	depends on SYS_SUPPORTS_SCHED_SMT
2190	default n
2191	help
2192	  SMT scheduler support improves the CPU scheduler's decision making
2193	  when dealing with MIPS MT enabled cores at a cost of slightly
2194	  increased overhead in some places. If unsure say N here.
2195
2196config SYS_SUPPORTS_SCHED_SMT
2197	bool
2198
2199config SYS_SUPPORTS_MULTITHREADING
2200	bool
2201
2202config MIPS_MT_FPAFF
2203	bool "Dynamic FPU affinity for FP-intensive threads"
2204	default y
2205	depends on MIPS_MT_SMP
2206
2207config MIPSR2_TO_R6_EMULATOR
2208	bool "MIPS R2-to-R6 emulator"
2209	depends on CPU_MIPSR6 && !SMP
2210	default y
2211	help
2212	  Choose this option if you want to run non-R6 MIPS userland code.
2213	  Even if you say 'Y' here, the emulator will still be disabled by
2214	  default. You can enable it using the 'mipsr2emu' kernel option.
2215	  The only reason this is a build-time option is to save ~14K from the
2216	  final kernel image.
2217comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2218	depends on SMP && CPU_MIPSR6
2219
2220config MIPS_VPE_LOADER
2221	bool "VPE loader support."
2222	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2223	select CPU_MIPSR2_IRQ_VI
2224	select CPU_MIPSR2_IRQ_EI
2225	select MIPS_MT
2226	help
2227	  Includes a loader for loading an elf relocatable object
2228	  onto another VPE and running it.
2229
2230config MIPS_VPE_LOADER_CMP
2231	bool
2232	default "y"
2233	depends on MIPS_VPE_LOADER && MIPS_CMP
2234
2235config MIPS_VPE_LOADER_MT
2236	bool
2237	default "y"
2238	depends on MIPS_VPE_LOADER && !MIPS_CMP
2239
2240config MIPS_VPE_LOADER_TOM
2241	bool "Load VPE program into memory hidden from linux"
2242	depends on MIPS_VPE_LOADER
2243	default y
2244	help
2245	  The loader can use memory that is present but has been hidden from
2246	  Linux using the kernel command line option "mem=xxMB". It's up to
2247	  you to ensure the amount you put in the option and the space your
2248	  program requires is less or equal to the amount physically present.
2249
2250config MIPS_VPE_APSP_API
2251	bool "Enable support for AP/SP API (RTLX)"
2252	depends on MIPS_VPE_LOADER
2253	help
2254
2255config MIPS_VPE_APSP_API_CMP
2256	bool
2257	default "y"
2258	depends on MIPS_VPE_APSP_API && MIPS_CMP
2259
2260config MIPS_VPE_APSP_API_MT
2261	bool
2262	default "y"
2263	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2264
2265config MIPS_CMP
2266	bool "MIPS CMP framework support (DEPRECATED)"
2267	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2268	select SMP
2269	select SYNC_R4K
2270	select SYS_SUPPORTS_SMP
2271	select WEAK_ORDERING
2272	default n
2273	help
2274	  Select this if you are using a bootloader which implements the "CMP
2275	  framework" protocol (ie. YAMON) and want your kernel to make use of
2276	  its ability to start secondary CPUs.
2277
2278	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2279	  instead of this.
2280
2281config MIPS_CPS
2282	bool "MIPS Coherent Processing System support"
2283	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2284	select MIPS_CM
2285	select MIPS_CPC
2286	select MIPS_CPS_PM if HOTPLUG_CPU
2287	select SMP
2288	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2289	select SYS_SUPPORTS_HOTPLUG_CPU
2290	select SYS_SUPPORTS_SMP
2291	select WEAK_ORDERING
2292	help
2293	  Select this if you wish to run an SMP kernel across multiple cores
2294	  within a MIPS Coherent Processing System. When this option is
2295	  enabled the kernel will probe for other cores and boot them with
2296	  no external assistance. It is safe to enable this when hardware
2297	  support is unavailable.
2298
2299config MIPS_CPS_PM
2300	depends on MIPS_CPS
2301	select MIPS_CPC
2302	bool
2303
2304config MIPS_CM
2305	bool
2306
2307config MIPS_CPC
2308	bool
2309
2310config SB1_PASS_2_WORKAROUNDS
2311	bool
2312	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2313	default y
2314
2315config SB1_PASS_2_1_WORKAROUNDS
2316	bool
2317	depends on CPU_SB1 && CPU_SB1_PASS_2
2318	default y
2319
2320
2321config ARCH_PHYS_ADDR_T_64BIT
2322       bool
2323
2324choice
2325	prompt "SmartMIPS or microMIPS ASE support"
2326
2327config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2328	bool "None"
2329	help
2330	  Select this if you want neither microMIPS nor SmartMIPS support
2331
2332config CPU_HAS_SMARTMIPS
2333	depends on SYS_SUPPORTS_SMARTMIPS
2334	bool "SmartMIPS"
2335	help
2336	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2337	  increased security at both hardware and software level for
2338	  smartcards.  Enabling this option will allow proper use of the
2339	  SmartMIPS instructions by Linux applications.  However a kernel with
2340	  this option will not work on a MIPS core without SmartMIPS core.  If
2341	  you don't know you probably don't have SmartMIPS and should say N
2342	  here.
2343
2344config CPU_MICROMIPS
2345	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2346	bool "microMIPS"
2347	help
2348	  When this option is enabled the kernel will be built using the
2349	  microMIPS ISA
2350
2351endchoice
2352
2353config CPU_HAS_MSA
2354	bool "Support for the MIPS SIMD Architecture"
2355	depends on CPU_SUPPORTS_MSA
2356	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357	help
2358	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359	  and a set of SIMD instructions to operate on them. When this option
2360	  is enabled the kernel will support allocating & switching MSA
2361	  vector register contexts. If you know that your kernel will only be
2362	  running on CPUs which do not support MSA or that your userland will
2363	  not be making use of it then you may wish to say N here to reduce
2364	  the size & complexity of your kernel.
2365
2366	  If unsure, say Y.
2367
2368config CPU_HAS_WB
2369	bool
2370
2371config XKS01
2372	bool
2373
2374#
2375# Vectored interrupt mode is an R2 feature
2376#
2377config CPU_MIPSR2_IRQ_VI
2378	bool
2379
2380#
2381# Extended interrupt mode is an R2 feature
2382#
2383config CPU_MIPSR2_IRQ_EI
2384	bool
2385
2386config CPU_HAS_SYNC
2387	bool
2388	depends on !CPU_R3000
2389	default y
2390
2391#
2392# CPU non-features
2393#
2394config CPU_DADDI_WORKAROUNDS
2395	bool
2396
2397config CPU_R4000_WORKAROUNDS
2398	bool
2399	select CPU_R4400_WORKAROUNDS
2400
2401config CPU_R4400_WORKAROUNDS
2402	bool
2403
2404#
2405# - Highmem only makes sense for the 32-bit kernel.
2406# - The current highmem code will only work properly on physically indexed
2407#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2408#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2409#   moment we protect the user and offer the highmem option only on machines
2410#   where it's known to be safe.  This will not offer highmem on a few systems
2411#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2412#   indexed CPUs but we're playing safe.
2413# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2414#   know they might have memory configurations that could make use of highmem
2415#   support.
2416#
2417config HIGHMEM
2418	bool "High Memory Support"
2419	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2420
2421config CPU_SUPPORTS_HIGHMEM
2422	bool
2423
2424config SYS_SUPPORTS_HIGHMEM
2425	bool
2426
2427config SYS_SUPPORTS_SMARTMIPS
2428	bool
2429
2430config SYS_SUPPORTS_MICROMIPS
2431	bool
2432
2433config SYS_SUPPORTS_MIPS16
2434	bool
2435	help
2436	  This option must be set if a kernel might be executed on a MIPS16-
2437	  enabled CPU even if MIPS16 is not actually being used.  In other
2438	  words, it makes the kernel MIPS16-tolerant.
2439
2440config CPU_SUPPORTS_MSA
2441	bool
2442
2443config ARCH_FLATMEM_ENABLE
2444	def_bool y
2445	depends on !NUMA && !CPU_LOONGSON2
2446
2447config ARCH_DISCONTIGMEM_ENABLE
2448	bool
2449	default y if SGI_IP27
2450	help
2451	  Say Y to support efficient handling of discontiguous physical memory,
2452	  for architectures which are either NUMA (Non-Uniform Memory Access)
2453	  or have huge holes in the physical address space for other reasons.
2454	  See <file:Documentation/vm/numa> for more.
2455
2456config ARCH_SPARSEMEM_ENABLE
2457	bool
2458	select SPARSEMEM_STATIC
2459
2460config NUMA
2461	bool "NUMA Support"
2462	depends on SYS_SUPPORTS_NUMA
2463	help
2464	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2465	  Access).  This option improves performance on systems with more
2466	  than two nodes; on two node systems it is generally better to
2467	  leave it disabled; on single node systems disable this option
2468	  disabled.
2469
2470config SYS_SUPPORTS_NUMA
2471	bool
2472
2473config NODES_SHIFT
2474	int
2475	default "6"
2476	depends on NEED_MULTIPLE_NODES
2477
2478config HW_PERF_EVENTS
2479	bool "Enable hardware performance counter support for perf events"
2480	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2481	default y
2482	help
2483	  Enable hardware performance counter support for perf events. If
2484	  disabled, perf events will use software events only.
2485
2486source "mm/Kconfig"
2487
2488config SMP
2489	bool "Multi-Processing support"
2490	depends on SYS_SUPPORTS_SMP
2491	help
2492	  This enables support for systems with more than one CPU. If you have
2493	  a system with only one CPU, say N. If you have a system with more
2494	  than one CPU, say Y.
2495
2496	  If you say N here, the kernel will run on uni- and multiprocessor
2497	  machines, but will use only one CPU of a multiprocessor machine. If
2498	  you say Y here, the kernel will run on many, but not all,
2499	  uniprocessor machines. On a uniprocessor machine, the kernel
2500	  will run faster if you say N here.
2501
2502	  People using multiprocessor machines who say Y here should also say
2503	  Y to "Enhanced Real Time Clock Support", below.
2504
2505	  See also the SMP-HOWTO available at
2506	  <http://www.tldp.org/docs.html#howto>.
2507
2508	  If you don't know what to do here, say N.
2509
2510config SMP_UP
2511	bool
2512
2513config SYS_SUPPORTS_MIPS_CMP
2514	bool
2515
2516config SYS_SUPPORTS_MIPS_CPS
2517	bool
2518
2519config SYS_SUPPORTS_SMP
2520	bool
2521
2522config NR_CPUS_DEFAULT_4
2523	bool
2524
2525config NR_CPUS_DEFAULT_8
2526	bool
2527
2528config NR_CPUS_DEFAULT_16
2529	bool
2530
2531config NR_CPUS_DEFAULT_32
2532	bool
2533
2534config NR_CPUS_DEFAULT_64
2535	bool
2536
2537config NR_CPUS
2538	int "Maximum number of CPUs (2-256)"
2539	range 2 256
2540	depends on SMP
2541	default "4" if NR_CPUS_DEFAULT_4
2542	default "8" if NR_CPUS_DEFAULT_8
2543	default "16" if NR_CPUS_DEFAULT_16
2544	default "32" if NR_CPUS_DEFAULT_32
2545	default "64" if NR_CPUS_DEFAULT_64
2546	help
2547	  This allows you to specify the maximum number of CPUs which this
2548	  kernel will support.  The maximum supported value is 32 for 32-bit
2549	  kernel and 64 for 64-bit kernels; the minimum value which makes
2550	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2551	  and 2 for all others.
2552
2553	  This is purely to save memory - each supported CPU adds
2554	  approximately eight kilobytes to the kernel image.  For best
2555	  performance should round up your number of processors to the next
2556	  power of two.
2557
2558config MIPS_PERF_SHARED_TC_COUNTERS
2559	bool
2560
2561#
2562# Timer Interrupt Frequency Configuration
2563#
2564
2565choice
2566	prompt "Timer frequency"
2567	default HZ_250
2568	help
2569	 Allows the configuration of the timer frequency.
2570
2571	config HZ_24
2572		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2573
2574	config HZ_48
2575		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2576
2577	config HZ_100
2578		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2579
2580	config HZ_128
2581		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2582
2583	config HZ_250
2584		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2585
2586	config HZ_256
2587		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2588
2589	config HZ_1000
2590		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2591
2592	config HZ_1024
2593		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2594
2595endchoice
2596
2597config SYS_SUPPORTS_24HZ
2598	bool
2599
2600config SYS_SUPPORTS_48HZ
2601	bool
2602
2603config SYS_SUPPORTS_100HZ
2604	bool
2605
2606config SYS_SUPPORTS_128HZ
2607	bool
2608
2609config SYS_SUPPORTS_250HZ
2610	bool
2611
2612config SYS_SUPPORTS_256HZ
2613	bool
2614
2615config SYS_SUPPORTS_1000HZ
2616	bool
2617
2618config SYS_SUPPORTS_1024HZ
2619	bool
2620
2621config SYS_SUPPORTS_ARBIT_HZ
2622	bool
2623	default y if !SYS_SUPPORTS_24HZ && \
2624		     !SYS_SUPPORTS_48HZ && \
2625		     !SYS_SUPPORTS_100HZ && \
2626		     !SYS_SUPPORTS_128HZ && \
2627		     !SYS_SUPPORTS_250HZ && \
2628		     !SYS_SUPPORTS_256HZ && \
2629		     !SYS_SUPPORTS_1000HZ && \
2630		     !SYS_SUPPORTS_1024HZ
2631
2632config HZ
2633	int
2634	default 24 if HZ_24
2635	default 48 if HZ_48
2636	default 100 if HZ_100
2637	default 128 if HZ_128
2638	default 250 if HZ_250
2639	default 256 if HZ_256
2640	default 1000 if HZ_1000
2641	default 1024 if HZ_1024
2642
2643config SCHED_HRTICK
2644	def_bool HIGH_RES_TIMERS
2645
2646source "kernel/Kconfig.preempt"
2647
2648config KEXEC
2649	bool "Kexec system call"
2650	select KEXEC_CORE
2651	help
2652	  kexec is a system call that implements the ability to shutdown your
2653	  current kernel, and to start another kernel.  It is like a reboot
2654	  but it is independent of the system firmware.   And like a reboot
2655	  you can start any kernel with it, not just Linux.
2656
2657	  The name comes from the similarity to the exec system call.
2658
2659	  It is an ongoing process to be certain the hardware in a machine
2660	  is properly shutdown, so do not be surprised if this code does not
2661	  initially work for you.  As of this writing the exact hardware
2662	  interface is strongly in flux, so no good recommendation can be
2663	  made.
2664
2665config CRASH_DUMP
2666	  bool "Kernel crash dumps"
2667	  help
2668	  Generate crash dump after being started by kexec.
2669	  This should be normally only set in special crash dump kernels
2670	  which are loaded in the main kernel with kexec-tools into
2671	  a specially reserved region and then later executed after
2672	  a crash by kdump/kexec. The crash dump kernel must be compiled
2673	  to a memory address not used by the main kernel or firmware using
2674	  PHYSICAL_START.
2675
2676config PHYSICAL_START
2677	  hex "Physical address where the kernel is loaded"
2678	  default "0xffffffff84000000" if 64BIT
2679	  default "0x84000000" if 32BIT
2680	  depends on CRASH_DUMP
2681	  help
2682	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2683	  If you plan to use kernel for capturing the crash dump change
2684	  this value to start of the reserved region (the "X" value as
2685	  specified in the "crashkernel=YM@XM" command line boot parameter
2686	  passed to the panic-ed kernel).
2687
2688config SECCOMP
2689	bool "Enable seccomp to safely compute untrusted bytecode"
2690	depends on PROC_FS
2691	default y
2692	help
2693	  This kernel feature is useful for number crunching applications
2694	  that may need to compute untrusted bytecode during their
2695	  execution. By using pipes or other transports made available to
2696	  the process as file descriptors supporting the read/write
2697	  syscalls, it's possible to isolate those applications in
2698	  their own address space using seccomp. Once seccomp is
2699	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2700	  and the task is only allowed to execute a few safe syscalls
2701	  defined by each seccomp mode.
2702
2703	  If unsure, say Y. Only embedded should say N here.
2704
2705config MIPS_O32_FP64_SUPPORT
2706	bool "Support for O32 binaries using 64-bit FP"
2707	depends on 32BIT || MIPS32_O32
2708	help
2709	  When this is enabled, the kernel will support use of 64-bit floating
2710	  point registers with binaries using the O32 ABI along with the
2711	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2712	  32-bit MIPS systems this support is at the cost of increasing the
2713	  size and complexity of the compiled FPU emulator. Thus if you are
2714	  running a MIPS32 system and know that none of your userland binaries
2715	  will require 64-bit floating point, you may wish to reduce the size
2716	  of your kernel & potentially improve FP emulation performance by
2717	  saying N here.
2718
2719	  Although binutils currently supports use of this flag the details
2720	  concerning its effect upon the O32 ABI in userland are still being
2721	  worked on. In order to avoid userland becoming dependant upon current
2722	  behaviour before the details have been finalised, this option should
2723	  be considered experimental and only enabled by those working upon
2724	  said details.
2725
2726	  If unsure, say N.
2727
2728config USE_OF
2729	bool
2730	select OF
2731	select OF_EARLY_FLATTREE
2732	select IRQ_DOMAIN
2733
2734config BUILTIN_DTB
2735	bool
2736
2737choice
2738	prompt "Kernel appended dtb support" if USE_OF
2739	default MIPS_NO_APPENDED_DTB
2740
2741	config MIPS_NO_APPENDED_DTB
2742		bool "None"
2743		help
2744		  Do not enable appended dtb support.
2745
2746	config MIPS_ELF_APPENDED_DTB
2747		bool "vmlinux"
2748		help
2749		  With this option, the boot code will look for a device tree binary
2750		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2751		  it is empty and the DTB can be appended using binutils command
2752		  objcopy:
2753
2754		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2755
2756		  This is meant as a backward compatiblity convenience for those
2757		  systems with a bootloader that can't be upgraded to accommodate
2758		  the documented boot protocol using a device tree.
2759
2760	config MIPS_RAW_APPENDED_DTB
2761		bool "vmlinux.bin"
2762		help
2763		  With this option, the boot code will look for a device tree binary
2764		  DTB) appended to raw vmlinux.bin (without decompressor).
2765		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2766
2767		  This is meant as a backward compatibility convenience for those
2768		  systems with a bootloader that can't be upgraded to accommodate
2769		  the documented boot protocol using a device tree.
2770
2771		  Beware that there is very little in terms of protection against
2772		  this option being confused by leftover garbage in memory that might
2773		  look like a DTB header after a reboot if no actual DTB is appended
2774		  to vmlinux.bin.  Do not leave this option active in a production kernel
2775		  if you don't intend to always append a DTB.
2776
2777	config MIPS_ZBOOT_APPENDED_DTB
2778		bool "vmlinuz.bin"
2779		depends on SYS_SUPPORTS_ZBOOT
2780		help
2781		  With this option, the boot code will look for a device tree binary
2782		  DTB) appended to raw vmlinuz.bin (with decompressor).
2783		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2784
2785		  This is meant as a backward compatibility convenience for those
2786		  systems with a bootloader that can't be upgraded to accommodate
2787		  the documented boot protocol using a device tree.
2788
2789		  Beware that there is very little in terms of protection against
2790		  this option being confused by leftover garbage in memory that might
2791		  look like a DTB header after a reboot if no actual DTB is appended
2792		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2793		  if you don't intend to always append a DTB.
2794endchoice
2795
2796choice
2797	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2798	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2799					 !MIPS_MALTA && !MIPS_SEAD3 && \
2800					 !CAVIUM_OCTEON_SOC
2801	default MIPS_CMDLINE_FROM_BOOTLOADER
2802
2803	config MIPS_CMDLINE_FROM_DTB
2804		depends on USE_OF
2805		bool "Dtb kernel arguments if available"
2806
2807	config MIPS_CMDLINE_DTB_EXTEND
2808		depends on USE_OF
2809		bool "Extend dtb kernel arguments with bootloader arguments"
2810
2811	config MIPS_CMDLINE_FROM_BOOTLOADER
2812		bool "Bootloader kernel arguments if available"
2813endchoice
2814
2815endmenu
2816
2817config LOCKDEP_SUPPORT
2818	bool
2819	default y
2820
2821config STACKTRACE_SUPPORT
2822	bool
2823	default y
2824
2825config HAVE_LATENCYTOP_SUPPORT
2826	bool
2827	default y
2828
2829config PGTABLE_LEVELS
2830	int
2831	default 3 if 64BIT && !PAGE_SIZE_64KB
2832	default 2
2833
2834source "init/Kconfig"
2835
2836source "kernel/Kconfig.freezer"
2837
2838menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2839
2840config HW_HAS_EISA
2841	bool
2842config HW_HAS_PCI
2843	bool
2844
2845config PCI
2846	bool "Support for PCI controller"
2847	depends on HW_HAS_PCI
2848	select PCI_DOMAINS
2849	select NO_GENERIC_PCI_IOPORT_MAP
2850	help
2851	  Find out whether you have a PCI motherboard. PCI is the name of a
2852	  bus system, i.e. the way the CPU talks to the other stuff inside
2853	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2854	  say Y, otherwise N.
2855
2856config HT_PCI
2857	bool "Support for HT-linked PCI"
2858	default y
2859	depends on CPU_LOONGSON3
2860	select PCI
2861	select PCI_DOMAINS
2862	help
2863	  Loongson family machines use Hyper-Transport bus for inter-core
2864	  connection and device connection. The PCI bus is a subordinate
2865	  linked at HT. Choose Y for Loongson-3 based machines.
2866
2867config PCI_DOMAINS
2868	bool
2869
2870source "drivers/pci/Kconfig"
2871
2872#
2873# ISA support is now enabled via select.  Too many systems still have the one
2874# or other ISA chip on the board that users don't know about so don't expect
2875# users to choose the right thing ...
2876#
2877config ISA
2878	bool
2879
2880config EISA
2881	bool "EISA support"
2882	depends on HW_HAS_EISA
2883	select ISA
2884	select GENERIC_ISA_DMA
2885	---help---
2886	  The Extended Industry Standard Architecture (EISA) bus was
2887	  developed as an open alternative to the IBM MicroChannel bus.
2888
2889	  The EISA bus provided some of the features of the IBM MicroChannel
2890	  bus while maintaining backward compatibility with cards made for
2891	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2892	  1995 when it was made obsolete by the PCI bus.
2893
2894	  Say Y here if you are building a kernel for an EISA-based machine.
2895
2896	  Otherwise, say N.
2897
2898source "drivers/eisa/Kconfig"
2899
2900config TC
2901	bool "TURBOchannel support"
2902	depends on MACH_DECSTATION
2903	help
2904	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2905	  processors.  TURBOchannel programming specifications are available
2906	  at:
2907	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2908	  and:
2909	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2910	  Linux driver support status is documented at:
2911	  <http://www.linux-mips.org/wiki/DECstation>
2912
2913config MMU
2914	bool
2915	default y
2916
2917config I8253
2918	bool
2919	select CLKSRC_I8253
2920	select CLKEVT_I8253
2921	select MIPS_EXTERNAL_TIMER
2922
2923config ZONE_DMA
2924	bool
2925
2926config ZONE_DMA32
2927	bool
2928
2929source "drivers/pcmcia/Kconfig"
2930
2931config RAPIDIO
2932	tristate "RapidIO support"
2933	depends on PCI
2934	default n
2935	help
2936	  If you say Y here, the kernel will include drivers and
2937	  infrastructure code to support RapidIO interconnect devices.
2938
2939source "drivers/rapidio/Kconfig"
2940
2941endmenu
2942
2943menu "Executable file formats"
2944
2945source "fs/Kconfig.binfmt"
2946
2947config TRAD_SIGNALS
2948	bool
2949
2950config MIPS32_COMPAT
2951	bool
2952
2953config COMPAT
2954	bool
2955
2956config SYSVIPC_COMPAT
2957	bool
2958
2959config MIPS32_O32
2960	bool "Kernel support for o32 binaries"
2961	depends on 64BIT
2962	select ARCH_WANT_OLD_COMPAT_IPC
2963	select COMPAT
2964	select MIPS32_COMPAT
2965	select SYSVIPC_COMPAT if SYSVIPC
2966	help
2967	  Select this option if you want to run o32 binaries.  These are pure
2968	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2969	  existing binaries are in this format.
2970
2971	  If unsure, say Y.
2972
2973config MIPS32_N32
2974	bool "Kernel support for n32 binaries"
2975	depends on 64BIT
2976	select COMPAT
2977	select MIPS32_COMPAT
2978	select SYSVIPC_COMPAT if SYSVIPC
2979	help
2980	  Select this option if you want to run n32 binaries.  These are
2981	  64-bit binaries using 32-bit quantities for addressing and certain
2982	  data that would normally be 64-bit.  They are used in special
2983	  cases.
2984
2985	  If unsure, say N.
2986
2987config BINFMT_ELF32
2988	bool
2989	default y if MIPS32_O32 || MIPS32_N32
2990
2991endmenu
2992
2993menu "Power management options"
2994
2995config ARCH_HIBERNATION_POSSIBLE
2996	def_bool y
2997	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2998
2999config ARCH_SUSPEND_POSSIBLE
3000	def_bool y
3001	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3002
3003source "kernel/power/Kconfig"
3004
3005endmenu
3006
3007config MIPS_EXTERNAL_TIMER
3008	bool
3009
3010menu "CPU Power Management"
3011
3012if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3013source "drivers/cpufreq/Kconfig"
3014endif
3015
3016source "drivers/cpuidle/Kconfig"
3017
3018endmenu
3019
3020source "net/Kconfig"
3021
3022source "drivers/Kconfig"
3023
3024source "drivers/firmware/Kconfig"
3025
3026source "fs/Kconfig"
3027
3028source "arch/mips/Kconfig.debug"
3029
3030source "security/Kconfig"
3031
3032source "crypto/Kconfig"
3033
3034source "lib/Kconfig"
3035
3036source "arch/mips/kvm/Kconfig"
3037