xref: /openbmc/linux/arch/mips/Kconfig (revision a8da474e)
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_ATTRS
35	select HAVE_DMA_CONTIGUOUS
36	select HAVE_DMA_API_DEBUG
37	select GENERIC_IRQ_PROBE
38	select GENERIC_IRQ_SHOW
39	select GENERIC_PCI_IOMAP
40	select HAVE_ARCH_JUMP_LABEL
41	select ARCH_WANT_IPC_PARSE_VERSION
42	select IRQ_FORCED_THREADING
43	select HAVE_MEMBLOCK
44	select HAVE_MEMBLOCK_NODE_MAP
45	select ARCH_DISCARD_MEMBLOCK
46	select GENERIC_SMP_IDLE_THREAD
47	select BUILDTIME_EXTABLE_SORT
48	select GENERIC_CLOCKEVENTS
49	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
50	select GENERIC_CMOS_UPDATE
51	select HAVE_MOD_ARCH_SPECIFIC
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
67menu "Machine selection"
68
69choice
70	prompt "System type"
71	default SGI_IP22
72
73config MIPS_ALCHEMY
74	bool "Alchemy processor based machines"
75	select ARCH_PHYS_ADDR_T_64BIT
76	select CEVT_R4K
77	select CSRC_R4K
78	select IRQ_MIPS_CPU
79	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
80	select SYS_HAS_CPU_MIPS32_R1
81	select SYS_SUPPORTS_32BIT_KERNEL
82	select SYS_SUPPORTS_APM_EMULATION
83	select ARCH_REQUIRE_GPIOLIB
84	select SYS_SUPPORTS_ZBOOT
85	select COMMON_CLK
86
87config AR7
88	bool "Texas Instruments AR7"
89	select BOOT_ELF32
90	select DMA_NONCOHERENT
91	select CEVT_R4K
92	select CSRC_R4K
93	select IRQ_MIPS_CPU
94	select NO_EXCEPT_FILL
95	select SWAP_IO_SPACE
96	select SYS_HAS_CPU_MIPS32_R1
97	select SYS_HAS_EARLY_PRINTK
98	select SYS_SUPPORTS_32BIT_KERNEL
99	select SYS_SUPPORTS_LITTLE_ENDIAN
100	select SYS_SUPPORTS_MIPS16
101	select SYS_SUPPORTS_ZBOOT_UART16550
102	select ARCH_REQUIRE_GPIOLIB
103	select VLYNQ
104	select HAVE_CLK
105	help
106	  Support for the Texas Instruments AR7 System-on-a-Chip
107	  family: TNETD7100, 7200 and 7300.
108
109config ATH25
110	bool "Atheros AR231x/AR531x SoC support"
111	select CEVT_R4K
112	select CSRC_R4K
113	select DMA_NONCOHERENT
114	select IRQ_MIPS_CPU
115	select IRQ_DOMAIN
116	select SYS_HAS_CPU_MIPS32_R1
117	select SYS_SUPPORTS_BIG_ENDIAN
118	select SYS_SUPPORTS_32BIT_KERNEL
119	select SYS_HAS_EARLY_PRINTK
120	help
121	  Support for Atheros AR231x and Atheros AR531x based boards
122
123config ATH79
124	bool "Atheros AR71XX/AR724X/AR913X based boards"
125	select ARCH_HAS_RESET_CONTROLLER
126	select ARCH_REQUIRE_GPIOLIB
127	select BOOT_RAW
128	select CEVT_R4K
129	select CSRC_R4K
130	select DMA_NONCOHERENT
131	select HAVE_CLK
132	select COMMON_CLK
133	select CLKDEV_LOOKUP
134	select IRQ_MIPS_CPU
135	select MIPS_MACHINE
136	select SYS_HAS_CPU_MIPS32_R2
137	select SYS_HAS_EARLY_PRINTK
138	select SYS_SUPPORTS_32BIT_KERNEL
139	select SYS_SUPPORTS_BIG_ENDIAN
140	select SYS_SUPPORTS_MIPS16
141	select SYS_SUPPORTS_ZBOOT
142	select USE_OF
143	help
144	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
145
146config BMIPS_GENERIC
147	bool "Broadcom Generic BMIPS kernel"
148	select BOOT_RAW
149	select NO_EXCEPT_FILL
150	select USE_OF
151	select CEVT_R4K
152	select CSRC_R4K
153	select SYNC_R4K
154	select COMMON_CLK
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	help
174	  Build a generic DT-based kernel image that boots on select
175	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
176	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
177	  must be set appropriately for your board.
178
179config BCM47XX
180	bool "Broadcom BCM47XX based boards"
181	select ARCH_WANT_OPTIONAL_GPIOLIB
182	select BOOT_RAW
183	select CEVT_R4K
184	select CSRC_R4K
185	select DMA_NONCOHERENT
186	select HW_HAS_PCI
187	select IRQ_MIPS_CPU
188	select SYS_HAS_CPU_MIPS32_R1
189	select NO_EXCEPT_FILL
190	select SYS_SUPPORTS_32BIT_KERNEL
191	select SYS_SUPPORTS_LITTLE_ENDIAN
192	select SYS_SUPPORTS_MIPS16
193	select SYS_HAS_EARLY_PRINTK
194	select USE_GENERIC_EARLY_PRINTK_8250
195	select GPIOLIB
196	select LEDS_GPIO_REGISTER
197	select BCM47XX_NVRAM
198	help
199	 Support for BCM47XX based boards
200
201config BCM63XX
202	bool "Broadcom BCM63XX based boards"
203	select BOOT_RAW
204	select CEVT_R4K
205	select CSRC_R4K
206	select SYNC_R4K
207	select DMA_NONCOHERENT
208	select IRQ_MIPS_CPU
209	select SYS_SUPPORTS_32BIT_KERNEL
210	select SYS_SUPPORTS_BIG_ENDIAN
211	select SYS_HAS_EARLY_PRINTK
212	select SWAP_IO_SPACE
213	select ARCH_REQUIRE_GPIOLIB
214	select HAVE_CLK
215	select MIPS_L1_CACHE_SHIFT_4
216	help
217	 Support for BCM63XX based boards
218
219config MIPS_COBALT
220	bool "Cobalt Server"
221	select CEVT_R4K
222	select CSRC_R4K
223	select CEVT_GT641XX
224	select DMA_NONCOHERENT
225	select HW_HAS_PCI
226	select I8253
227	select I8259
228	select IRQ_MIPS_CPU
229	select IRQ_GT641XX
230	select PCI_GT64XXX_PCI0
231	select PCI
232	select SYS_HAS_CPU_NEVADA
233	select SYS_HAS_EARLY_PRINTK
234	select SYS_SUPPORTS_32BIT_KERNEL
235	select SYS_SUPPORTS_64BIT_KERNEL
236	select SYS_SUPPORTS_LITTLE_ENDIAN
237	select USE_GENERIC_EARLY_PRINTK_8250
238
239config MACH_DECSTATION
240	bool "DECstations"
241	select BOOT_ELF32
242	select CEVT_DS1287
243	select CEVT_R4K if CPU_R4X00
244	select CSRC_IOASIC
245	select CSRC_R4K if CPU_R4X00
246	select CPU_DADDI_WORKAROUNDS if 64BIT
247	select CPU_R4000_WORKAROUNDS if 64BIT
248	select CPU_R4400_WORKAROUNDS if 64BIT
249	select DMA_NONCOHERENT
250	select NO_IOPORT_MAP
251	select IRQ_MIPS_CPU
252	select SYS_HAS_CPU_R3000
253	select SYS_HAS_CPU_R4X00
254	select SYS_SUPPORTS_32BIT_KERNEL
255	select SYS_SUPPORTS_64BIT_KERNEL
256	select SYS_SUPPORTS_LITTLE_ENDIAN
257	select SYS_SUPPORTS_128HZ
258	select SYS_SUPPORTS_256HZ
259	select SYS_SUPPORTS_1024HZ
260	select MIPS_L1_CACHE_SHIFT_4
261	help
262	  This enables support for DEC's MIPS based workstations.  For details
263	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
264	  DECstation porting pages on <http://decstation.unix-ag.org/>.
265
266	  If you have one of the following DECstation Models you definitely
267	  want to choose R4xx0 for the CPU Type:
268
269		DECstation 5000/50
270		DECstation 5000/150
271		DECstation 5000/260
272		DECsystem 5900/260
273
274	  otherwise choose R3000.
275
276config MACH_JAZZ
277	bool "Jazz family of machines"
278	select FW_ARC
279	select FW_ARC32
280	select ARCH_MAY_HAVE_PC_FDC
281	select CEVT_R4K
282	select CSRC_R4K
283	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
284	select GENERIC_ISA_DMA
285	select HAVE_PCSPKR_PLATFORM
286	select IRQ_MIPS_CPU
287	select I8253
288	select I8259
289	select ISA
290	select SYS_HAS_CPU_R4X00
291	select SYS_SUPPORTS_32BIT_KERNEL
292	select SYS_SUPPORTS_64BIT_KERNEL
293	select SYS_SUPPORTS_100HZ
294	help
295	 This a family of machines based on the MIPS R4030 chipset which was
296	 used by several vendors to build RISC/os and Windows NT workstations.
297	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
298	 Olivetti M700-10 workstations.
299
300config MACH_INGENIC
301	bool "Ingenic SoC based machines"
302	select SYS_SUPPORTS_32BIT_KERNEL
303	select SYS_SUPPORTS_LITTLE_ENDIAN
304	select SYS_SUPPORTS_ZBOOT_UART16550
305	select DMA_NONCOHERENT
306	select IRQ_MIPS_CPU
307	select ARCH_REQUIRE_GPIOLIB
308	select COMMON_CLK
309	select GENERIC_IRQ_CHIP
310	select BUILTIN_DTB
311	select USE_OF
312	select LIBFDT
313
314config LANTIQ
315	bool "Lantiq based platforms"
316	select DMA_NONCOHERENT
317	select IRQ_MIPS_CPU
318	select CEVT_R4K
319	select CSRC_R4K
320	select SYS_HAS_CPU_MIPS32_R1
321	select SYS_HAS_CPU_MIPS32_R2
322	select SYS_SUPPORTS_BIG_ENDIAN
323	select SYS_SUPPORTS_32BIT_KERNEL
324	select SYS_SUPPORTS_MIPS16
325	select SYS_SUPPORTS_MULTITHREADING
326	select SYS_HAS_EARLY_PRINTK
327	select ARCH_REQUIRE_GPIOLIB
328	select SWAP_IO_SPACE
329	select BOOT_RAW
330	select HAVE_MACH_CLKDEV
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 MIPS_SEAD3
485	bool "MIPS SEAD3 board"
486	select BOOT_ELF32
487	select BOOT_RAW
488	select BUILTIN_DTB
489	select CEVT_R4K
490	select CSRC_R4K
491	select CLKSRC_MIPS_GIC
492	select COMMON_CLK
493	select CPU_MIPSR2_IRQ_VI
494	select CPU_MIPSR2_IRQ_EI
495	select DMA_NONCOHERENT
496	select IRQ_MIPS_CPU
497	select MIPS_GIC
498	select LIBFDT
499	select MIPS_MSC
500	select SYS_HAS_CPU_MIPS32_R1
501	select SYS_HAS_CPU_MIPS32_R2
502	select SYS_HAS_CPU_MIPS64_R1
503	select SYS_HAS_EARLY_PRINTK
504	select SYS_SUPPORTS_32BIT_KERNEL
505	select SYS_SUPPORTS_64BIT_KERNEL
506	select SYS_SUPPORTS_BIG_ENDIAN
507	select SYS_SUPPORTS_LITTLE_ENDIAN
508	select SYS_SUPPORTS_SMARTMIPS
509	select SYS_SUPPORTS_MICROMIPS
510	select SYS_SUPPORTS_MIPS16
511	select USB_EHCI_BIG_ENDIAN_DESC
512	select USB_EHCI_BIG_ENDIAN_MMIO
513	select USE_OF
514	help
515	  This enables support for the MIPS Technologies SEAD3 evaluation
516	  board.
517
518config NEC_MARKEINS
519	bool "NEC EMMA2RH Mark-eins board"
520	select SOC_EMMA2RH
521	select HW_HAS_PCI
522	help
523	  This enables support for the NEC Electronics Mark-eins boards.
524
525config MACH_VR41XX
526	bool "NEC VR4100 series based machines"
527	select CEVT_R4K
528	select CSRC_R4K
529	select SYS_HAS_CPU_VR41XX
530	select SYS_SUPPORTS_MIPS16
531	select ARCH_REQUIRE_GPIOLIB
532
533config NXP_STB220
534	bool "NXP STB220 board"
535	select SOC_PNX833X
536	help
537	 Support for NXP Semiconductors STB220 Development Board.
538
539config NXP_STB225
540	bool "NXP 225 board"
541	select SOC_PNX833X
542	select SOC_PNX8335
543	help
544	 Support for NXP Semiconductors STB225 Development Board.
545
546config PMC_MSP
547	bool "PMC-Sierra MSP chipsets"
548	select CEVT_R4K
549	select CSRC_R4K
550	select DMA_NONCOHERENT
551	select SWAP_IO_SPACE
552	select NO_EXCEPT_FILL
553	select BOOT_RAW
554	select SYS_HAS_CPU_MIPS32_R1
555	select SYS_HAS_CPU_MIPS32_R2
556	select SYS_SUPPORTS_32BIT_KERNEL
557	select SYS_SUPPORTS_BIG_ENDIAN
558	select SYS_SUPPORTS_MIPS16
559	select IRQ_MIPS_CPU
560	select SERIAL_8250
561	select SERIAL_8250_CONSOLE
562	select USB_EHCI_BIG_ENDIAN_MMIO
563	select USB_EHCI_BIG_ENDIAN_DESC
564	help
565	  This adds support for the PMC-Sierra family of Multi-Service
566	  Processor System-On-A-Chips.  These parts include a number
567	  of integrated peripherals, interfaces and DSPs in addition to
568	  a variety of MIPS cores.
569
570config RALINK
571	bool "Ralink based machines"
572	select CEVT_R4K
573	select CSRC_R4K
574	select BOOT_RAW
575	select DMA_NONCOHERENT
576	select IRQ_MIPS_CPU
577	select USE_OF
578	select SYS_HAS_CPU_MIPS32_R1
579	select SYS_HAS_CPU_MIPS32_R2
580	select SYS_SUPPORTS_32BIT_KERNEL
581	select SYS_SUPPORTS_LITTLE_ENDIAN
582	select SYS_SUPPORTS_MIPS16
583	select SYS_HAS_EARLY_PRINTK
584	select HAVE_MACH_CLKDEV
585	select CLKDEV_LOOKUP
586	select ARCH_HAS_RESET_CONTROLLER
587	select RESET_CONTROLLER
588
589config SGI_IP22
590	bool "SGI IP22 (Indy/Indigo2)"
591	select FW_ARC
592	select FW_ARC32
593	select BOOT_ELF32
594	select CEVT_R4K
595	select CSRC_R4K
596	select DEFAULT_SGI_PARTITION
597	select DMA_NONCOHERENT
598	select HW_HAS_EISA
599	select I8253
600	select I8259
601	select IP22_CPU_SCACHE
602	select IRQ_MIPS_CPU
603	select GENERIC_ISA_DMA_SUPPORT_BROKEN
604	select SGI_HAS_I8042
605	select SGI_HAS_INDYDOG
606	select SGI_HAS_HAL2
607	select SGI_HAS_SEEQ
608	select SGI_HAS_WD93
609	select SGI_HAS_ZILOG
610	select SWAP_IO_SPACE
611	select SYS_HAS_CPU_R4X00
612	select SYS_HAS_CPU_R5000
613	#
614	# Disable EARLY_PRINTK for now since it leads to overwritten prom
615	# memory during early boot on some machines.
616	#
617	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
618	# for a more details discussion
619	#
620	# select SYS_HAS_EARLY_PRINTK
621	select SYS_SUPPORTS_32BIT_KERNEL
622	select SYS_SUPPORTS_64BIT_KERNEL
623	select SYS_SUPPORTS_BIG_ENDIAN
624	select MIPS_L1_CACHE_SHIFT_7
625	help
626	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
627	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
628	  that runs on these, say Y here.
629
630config SGI_IP27
631	bool "SGI IP27 (Origin200/2000)"
632	select FW_ARC
633	select FW_ARC64
634	select BOOT_ELF64
635	select DEFAULT_SGI_PARTITION
636	select DMA_COHERENT
637	select SYS_HAS_EARLY_PRINTK
638	select HW_HAS_PCI
639	select NR_CPUS_DEFAULT_64
640	select SYS_HAS_CPU_R10000
641	select SYS_SUPPORTS_64BIT_KERNEL
642	select SYS_SUPPORTS_BIG_ENDIAN
643	select SYS_SUPPORTS_NUMA
644	select SYS_SUPPORTS_SMP
645	select MIPS_L1_CACHE_SHIFT_7
646	help
647	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
648	  workstations.  To compile a Linux kernel that runs on these, say Y
649	  here.
650
651config SGI_IP28
652	bool "SGI IP28 (Indigo2 R10k)"
653	select FW_ARC
654	select FW_ARC64
655	select BOOT_ELF64
656	select CEVT_R4K
657	select CSRC_R4K
658	select DEFAULT_SGI_PARTITION
659	select DMA_NONCOHERENT
660	select GENERIC_ISA_DMA_SUPPORT_BROKEN
661	select IRQ_MIPS_CPU
662	select HW_HAS_EISA
663	select I8253
664	select I8259
665	select SGI_HAS_I8042
666	select SGI_HAS_INDYDOG
667	select SGI_HAS_HAL2
668	select SGI_HAS_SEEQ
669	select SGI_HAS_WD93
670	select SGI_HAS_ZILOG
671	select SWAP_IO_SPACE
672	select SYS_HAS_CPU_R10000
673	#
674	# Disable EARLY_PRINTK for now since it leads to overwritten prom
675	# memory during early boot on some machines.
676	#
677	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
678	# for a more details discussion
679	#
680	# select SYS_HAS_EARLY_PRINTK
681	select SYS_SUPPORTS_64BIT_KERNEL
682	select SYS_SUPPORTS_BIG_ENDIAN
683	select MIPS_L1_CACHE_SHIFT_7
684      help
685        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
686        kernel that runs on these, say Y here.
687
688config SGI_IP32
689	bool "SGI IP32 (O2)"
690	select FW_ARC
691	select FW_ARC32
692	select BOOT_ELF32
693	select CEVT_R4K
694	select CSRC_R4K
695	select DMA_NONCOHERENT
696	select HW_HAS_PCI
697	select IRQ_MIPS_CPU
698	select R5000_CPU_SCACHE
699	select RM7000_CPU_SCACHE
700	select SYS_HAS_CPU_R5000
701	select SYS_HAS_CPU_R10000 if BROKEN
702	select SYS_HAS_CPU_RM7000
703	select SYS_HAS_CPU_NEVADA
704	select SYS_SUPPORTS_64BIT_KERNEL
705	select SYS_SUPPORTS_BIG_ENDIAN
706	help
707	  If you want this kernel to run on SGI O2 workstation, say Y here.
708
709config SIBYTE_CRHINE
710	bool "Sibyte BCM91120C-CRhine"
711	select BOOT_ELF32
712	select DMA_COHERENT
713	select SIBYTE_BCM1120
714	select SWAP_IO_SPACE
715	select SYS_HAS_CPU_SB1
716	select SYS_SUPPORTS_BIG_ENDIAN
717	select SYS_SUPPORTS_LITTLE_ENDIAN
718
719config SIBYTE_CARMEL
720	bool "Sibyte BCM91120x-Carmel"
721	select BOOT_ELF32
722	select DMA_COHERENT
723	select SIBYTE_BCM1120
724	select SWAP_IO_SPACE
725	select SYS_HAS_CPU_SB1
726	select SYS_SUPPORTS_BIG_ENDIAN
727	select SYS_SUPPORTS_LITTLE_ENDIAN
728
729config SIBYTE_CRHONE
730	bool "Sibyte BCM91125C-CRhone"
731	select BOOT_ELF32
732	select DMA_COHERENT
733	select SIBYTE_BCM1125
734	select SWAP_IO_SPACE
735	select SYS_HAS_CPU_SB1
736	select SYS_SUPPORTS_BIG_ENDIAN
737	select SYS_SUPPORTS_HIGHMEM
738	select SYS_SUPPORTS_LITTLE_ENDIAN
739
740config SIBYTE_RHONE
741	bool "Sibyte BCM91125E-Rhone"
742	select BOOT_ELF32
743	select DMA_COHERENT
744	select SIBYTE_BCM1125H
745	select SWAP_IO_SPACE
746	select SYS_HAS_CPU_SB1
747	select SYS_SUPPORTS_BIG_ENDIAN
748	select SYS_SUPPORTS_LITTLE_ENDIAN
749
750config SIBYTE_SWARM
751	bool "Sibyte BCM91250A-SWARM"
752	select BOOT_ELF32
753	select DMA_COHERENT
754	select HAVE_PATA_PLATFORM
755	select SIBYTE_SB1250
756	select SWAP_IO_SPACE
757	select SYS_HAS_CPU_SB1
758	select SYS_SUPPORTS_BIG_ENDIAN
759	select SYS_SUPPORTS_HIGHMEM
760	select SYS_SUPPORTS_LITTLE_ENDIAN
761	select ZONE_DMA32 if 64BIT
762
763config SIBYTE_LITTLESUR
764	bool "Sibyte BCM91250C2-LittleSur"
765	select BOOT_ELF32
766	select DMA_COHERENT
767	select HAVE_PATA_PLATFORM
768	select SIBYTE_SB1250
769	select SWAP_IO_SPACE
770	select SYS_HAS_CPU_SB1
771	select SYS_SUPPORTS_BIG_ENDIAN
772	select SYS_SUPPORTS_HIGHMEM
773	select SYS_SUPPORTS_LITTLE_ENDIAN
774
775config SIBYTE_SENTOSA
776	bool "Sibyte BCM91250E-Sentosa"
777	select BOOT_ELF32
778	select DMA_COHERENT
779	select SIBYTE_SB1250
780	select SWAP_IO_SPACE
781	select SYS_HAS_CPU_SB1
782	select SYS_SUPPORTS_BIG_ENDIAN
783	select SYS_SUPPORTS_LITTLE_ENDIAN
784
785config SIBYTE_BIGSUR
786	bool "Sibyte BCM91480B-BigSur"
787	select BOOT_ELF32
788	select DMA_COHERENT
789	select NR_CPUS_DEFAULT_4
790	select SIBYTE_BCM1x80
791	select SWAP_IO_SPACE
792	select SYS_HAS_CPU_SB1
793	select SYS_SUPPORTS_BIG_ENDIAN
794	select SYS_SUPPORTS_HIGHMEM
795	select SYS_SUPPORTS_LITTLE_ENDIAN
796	select ZONE_DMA32 if 64BIT
797
798config SNI_RM
799	bool "SNI RM200/300/400"
800	select FW_ARC if CPU_LITTLE_ENDIAN
801	select FW_ARC32 if CPU_LITTLE_ENDIAN
802	select FW_SNIPROM if CPU_BIG_ENDIAN
803	select ARCH_MAY_HAVE_PC_FDC
804	select BOOT_ELF32
805	select CEVT_R4K
806	select CSRC_R4K
807	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
808	select DMA_NONCOHERENT
809	select GENERIC_ISA_DMA
810	select HAVE_PCSPKR_PLATFORM
811	select HW_HAS_EISA
812	select HW_HAS_PCI
813	select IRQ_MIPS_CPU
814	select I8253
815	select I8259
816	select ISA
817	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
818	select SYS_HAS_CPU_R4X00
819	select SYS_HAS_CPU_R5000
820	select SYS_HAS_CPU_R10000
821	select R5000_CPU_SCACHE
822	select SYS_HAS_EARLY_PRINTK
823	select SYS_SUPPORTS_32BIT_KERNEL
824	select SYS_SUPPORTS_64BIT_KERNEL
825	select SYS_SUPPORTS_BIG_ENDIAN
826	select SYS_SUPPORTS_HIGHMEM
827	select SYS_SUPPORTS_LITTLE_ENDIAN
828	help
829	  The SNI RM200/300/400 are MIPS-based machines manufactured by
830	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
831	  Technology and now in turn merged with Fujitsu.  Say Y here to
832	  support this machine type.
833
834config MACH_TX39XX
835	bool "Toshiba TX39 series based machines"
836
837config MACH_TX49XX
838	bool "Toshiba TX49 series based machines"
839
840config MIKROTIK_RB532
841	bool "Mikrotik RB532 boards"
842	select CEVT_R4K
843	select CSRC_R4K
844	select DMA_NONCOHERENT
845	select HW_HAS_PCI
846	select IRQ_MIPS_CPU
847	select SYS_HAS_CPU_MIPS32_R1
848	select SYS_SUPPORTS_32BIT_KERNEL
849	select SYS_SUPPORTS_LITTLE_ENDIAN
850	select SWAP_IO_SPACE
851	select BOOT_RAW
852	select ARCH_REQUIRE_GPIOLIB
853	select MIPS_L1_CACHE_SHIFT_4
854	help
855	  Support the Mikrotik(tm) RouterBoard 532 series,
856	  based on the IDT RC32434 SoC.
857
858config CAVIUM_OCTEON_SOC
859	bool "Cavium Networks Octeon SoC based boards"
860	select CEVT_R4K
861	select ARCH_PHYS_ADDR_T_64BIT
862	select DMA_COHERENT
863	select SYS_SUPPORTS_64BIT_KERNEL
864	select SYS_SUPPORTS_BIG_ENDIAN
865	select EDAC_SUPPORT
866	select EDAC_ATOMIC_SCRUB
867	select SYS_SUPPORTS_LITTLE_ENDIAN
868	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
869	select SYS_HAS_EARLY_PRINTK
870	select SYS_HAS_CPU_CAVIUM_OCTEON
871	select SWAP_IO_SPACE
872	select HW_HAS_PCI
873	select ZONE_DMA32
874	select HOLES_IN_ZONE
875	select ARCH_REQUIRE_GPIOLIB
876	select LIBFDT
877	select USE_OF
878	select ARCH_SPARSEMEM_ENABLE
879	select SYS_SUPPORTS_SMP
880	select NR_CPUS_DEFAULT_16
881	select BUILTIN_DTB
882	select MTD_COMPLEX_MAPPINGS
883	help
884	  This option supports all of the Octeon reference boards from Cavium
885	  Networks. It builds a kernel that dynamically determines the Octeon
886	  CPU type and supports all known board reference implementations.
887	  Some of the supported boards are:
888		EBT3000
889		EBH3000
890		EBH3100
891		Thunder
892		Kodama
893		Hikari
894	  Say Y here for most Octeon reference boards.
895
896config NLM_XLR_BOARD
897	bool "Netlogic XLR/XLS based systems"
898	select BOOT_ELF32
899	select NLM_COMMON
900	select SYS_HAS_CPU_XLR
901	select SYS_SUPPORTS_SMP
902	select HW_HAS_PCI
903	select SWAP_IO_SPACE
904	select SYS_SUPPORTS_32BIT_KERNEL
905	select SYS_SUPPORTS_64BIT_KERNEL
906	select ARCH_PHYS_ADDR_T_64BIT
907	select SYS_SUPPORTS_BIG_ENDIAN
908	select SYS_SUPPORTS_HIGHMEM
909	select DMA_COHERENT
910	select NR_CPUS_DEFAULT_32
911	select CEVT_R4K
912	select CSRC_R4K
913	select IRQ_MIPS_CPU
914	select ZONE_DMA32 if 64BIT
915	select SYNC_R4K
916	select SYS_HAS_EARLY_PRINTK
917	select SYS_SUPPORTS_ZBOOT
918	select SYS_SUPPORTS_ZBOOT_UART16550
919	help
920	  Support for systems based on Netlogic XLR and XLS processors.
921	  Say Y here if you have a XLR or XLS based board.
922
923config NLM_XLP_BOARD
924	bool "Netlogic XLP based systems"
925	select BOOT_ELF32
926	select NLM_COMMON
927	select SYS_HAS_CPU_XLP
928	select SYS_SUPPORTS_SMP
929	select HW_HAS_PCI
930	select SYS_SUPPORTS_32BIT_KERNEL
931	select SYS_SUPPORTS_64BIT_KERNEL
932	select ARCH_PHYS_ADDR_T_64BIT
933	select ARCH_REQUIRE_GPIOLIB
934	select SYS_SUPPORTS_BIG_ENDIAN
935	select SYS_SUPPORTS_LITTLE_ENDIAN
936	select SYS_SUPPORTS_HIGHMEM
937	select DMA_COHERENT
938	select NR_CPUS_DEFAULT_32
939	select CEVT_R4K
940	select CSRC_R4K
941	select IRQ_MIPS_CPU
942	select ZONE_DMA32 if 64BIT
943	select SYNC_R4K
944	select SYS_HAS_EARLY_PRINTK
945	select USE_OF
946	select SYS_SUPPORTS_ZBOOT
947	select SYS_SUPPORTS_ZBOOT_UART16550
948	help
949	  This board is based on Netlogic XLP Processor.
950	  Say Y here if you have a XLP based board.
951
952config MIPS_PARAVIRT
953	bool "Para-Virtualized guest system"
954	select CEVT_R4K
955	select CSRC_R4K
956	select DMA_COHERENT
957	select SYS_SUPPORTS_64BIT_KERNEL
958	select SYS_SUPPORTS_32BIT_KERNEL
959	select SYS_SUPPORTS_BIG_ENDIAN
960	select SYS_SUPPORTS_SMP
961	select NR_CPUS_DEFAULT_4
962	select SYS_HAS_EARLY_PRINTK
963	select SYS_HAS_CPU_MIPS32_R2
964	select SYS_HAS_CPU_MIPS64_R2
965	select SYS_HAS_CPU_CAVIUM_OCTEON
966	select HW_HAS_PCI
967	select SWAP_IO_SPACE
968	help
969	  This option supports guest running under ????
970
971endchoice
972
973source "arch/mips/alchemy/Kconfig"
974source "arch/mips/ath25/Kconfig"
975source "arch/mips/ath79/Kconfig"
976source "arch/mips/bcm47xx/Kconfig"
977source "arch/mips/bcm63xx/Kconfig"
978source "arch/mips/bmips/Kconfig"
979source "arch/mips/jazz/Kconfig"
980source "arch/mips/jz4740/Kconfig"
981source "arch/mips/lantiq/Kconfig"
982source "arch/mips/lasat/Kconfig"
983source "arch/mips/pistachio/Kconfig"
984source "arch/mips/pmcs-msp71xx/Kconfig"
985source "arch/mips/ralink/Kconfig"
986source "arch/mips/sgi-ip27/Kconfig"
987source "arch/mips/sibyte/Kconfig"
988source "arch/mips/txx9/Kconfig"
989source "arch/mips/vr41xx/Kconfig"
990source "arch/mips/cavium-octeon/Kconfig"
991source "arch/mips/loongson32/Kconfig"
992source "arch/mips/loongson64/Kconfig"
993source "arch/mips/netlogic/Kconfig"
994source "arch/mips/paravirt/Kconfig"
995source "arch/mips/xilfpga/Kconfig"
996
997endmenu
998
999config RWSEM_GENERIC_SPINLOCK
1000	bool
1001	default y
1002
1003config RWSEM_XCHGADD_ALGORITHM
1004	bool
1005
1006config ARCH_HAS_ILOG2_U32
1007	bool
1008	default n
1009
1010config ARCH_HAS_ILOG2_U64
1011	bool
1012	default n
1013
1014config GENERIC_HWEIGHT
1015	bool
1016	default y
1017
1018config GENERIC_CALIBRATE_DELAY
1019	bool
1020	default y
1021
1022config SCHED_OMIT_FRAME_POINTER
1023	bool
1024	default y
1025
1026#
1027# Select some configuration options automatically based on user selections.
1028#
1029config FW_ARC
1030	bool
1031
1032config ARCH_MAY_HAVE_PC_FDC
1033	bool
1034
1035config BOOT_RAW
1036	bool
1037
1038config CEVT_BCM1480
1039	bool
1040
1041config CEVT_DS1287
1042	bool
1043
1044config CEVT_GT641XX
1045	bool
1046
1047config CEVT_R4K
1048	bool
1049
1050config CEVT_SB1250
1051	bool
1052
1053config CEVT_TXX9
1054	bool
1055
1056config CSRC_BCM1480
1057	bool
1058
1059config CSRC_IOASIC
1060	bool
1061
1062config CSRC_R4K
1063	bool
1064
1065config CSRC_SB1250
1066	bool
1067
1068config MIPS_CLOCK_VSYSCALL
1069	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1070
1071config GPIO_TXX9
1072	select ARCH_REQUIRE_GPIOLIB
1073	bool
1074
1075config FW_CFE
1076	bool
1077
1078config ARCH_DMA_ADDR_T_64BIT
1079	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1080
1081config ARCH_SUPPORTS_UPROBES
1082	bool
1083
1084config DMA_MAYBE_COHERENT
1085	select DMA_NONCOHERENT
1086	bool
1087
1088config DMA_COHERENT
1089	bool
1090
1091config DMA_NONCOHERENT
1092	bool
1093	select NEED_DMA_MAP_STATE
1094
1095config NEED_DMA_MAP_STATE
1096	bool
1097
1098config SYS_HAS_EARLY_PRINTK
1099	bool
1100
1101config HOTPLUG_CPU
1102	bool "Support for hot-pluggable CPUs"
1103	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1104	help
1105	  Say Y here to allow turning CPUs off and on. CPUs can be
1106	  controlled through /sys/devices/system/cpu.
1107	  (Note: power management support will enable this option
1108	    automatically on SMP systems. )
1109	  Say N if you want to disable CPU hotplug.
1110
1111config SYS_SUPPORTS_HOTPLUG_CPU
1112	bool
1113
1114config MIPS_BONITO64
1115	bool
1116
1117config MIPS_MSC
1118	bool
1119
1120config MIPS_NILE4
1121	bool
1122
1123config SYNC_R4K
1124	bool
1125
1126config MIPS_MACHINE
1127	def_bool n
1128
1129config NO_IOPORT_MAP
1130	def_bool n
1131
1132config GENERIC_CSUM
1133	bool
1134
1135config GENERIC_ISA_DMA
1136	bool
1137	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1138	select ISA_DMA_API
1139
1140config GENERIC_ISA_DMA_SUPPORT_BROKEN
1141	bool
1142	select GENERIC_ISA_DMA
1143
1144config ISA_DMA_API
1145	bool
1146
1147config HOLES_IN_ZONE
1148	bool
1149
1150#
1151# Endianness selection.  Sufficiently obscure so many users don't know what to
1152# answer,so we try hard to limit the available choices.  Also the use of a
1153# choice statement should be more obvious to the user.
1154#
1155choice
1156	prompt "Endianness selection"
1157	help
1158	  Some MIPS machines can be configured for either little or big endian
1159	  byte order. These modes require different kernels and a different
1160	  Linux distribution.  In general there is one preferred byteorder for a
1161	  particular system but some systems are just as commonly used in the
1162	  one or the other endianness.
1163
1164config CPU_BIG_ENDIAN
1165	bool "Big endian"
1166	depends on SYS_SUPPORTS_BIG_ENDIAN
1167
1168config CPU_LITTLE_ENDIAN
1169	bool "Little endian"
1170	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1171
1172endchoice
1173
1174config EXPORT_UASM
1175	bool
1176
1177config SYS_SUPPORTS_APM_EMULATION
1178	bool
1179
1180config SYS_SUPPORTS_BIG_ENDIAN
1181	bool
1182
1183config SYS_SUPPORTS_LITTLE_ENDIAN
1184	bool
1185
1186config SYS_SUPPORTS_HUGETLBFS
1187	bool
1188	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1189	default y
1190
1191config MIPS_HUGE_TLB_SUPPORT
1192	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1193
1194config IRQ_CPU_RM7K
1195	bool
1196
1197config IRQ_MSP_SLP
1198	bool
1199
1200config IRQ_MSP_CIC
1201	bool
1202
1203config IRQ_TXX9
1204	bool
1205
1206config IRQ_GT641XX
1207	bool
1208
1209config PCI_GT64XXX_PCI0
1210	bool
1211
1212config NO_EXCEPT_FILL
1213	bool
1214
1215config SOC_EMMA2RH
1216	bool
1217	select CEVT_R4K
1218	select CSRC_R4K
1219	select DMA_NONCOHERENT
1220	select IRQ_MIPS_CPU
1221	select SWAP_IO_SPACE
1222	select SYS_HAS_CPU_R5500
1223	select SYS_SUPPORTS_32BIT_KERNEL
1224	select SYS_SUPPORTS_64BIT_KERNEL
1225	select SYS_SUPPORTS_BIG_ENDIAN
1226
1227config SOC_PNX833X
1228	bool
1229	select CEVT_R4K
1230	select CSRC_R4K
1231	select IRQ_MIPS_CPU
1232	select DMA_NONCOHERENT
1233	select SYS_HAS_CPU_MIPS32_R2
1234	select SYS_SUPPORTS_32BIT_KERNEL
1235	select SYS_SUPPORTS_LITTLE_ENDIAN
1236	select SYS_SUPPORTS_BIG_ENDIAN
1237	select SYS_SUPPORTS_MIPS16
1238	select CPU_MIPSR2_IRQ_VI
1239
1240config SOC_PNX8335
1241	bool
1242	select SOC_PNX833X
1243
1244config MIPS_SPRAM
1245	bool
1246
1247config SWAP_IO_SPACE
1248	bool
1249
1250config SGI_HAS_INDYDOG
1251	bool
1252
1253config SGI_HAS_HAL2
1254	bool
1255
1256config SGI_HAS_SEEQ
1257	bool
1258
1259config SGI_HAS_WD93
1260	bool
1261
1262config SGI_HAS_ZILOG
1263	bool
1264
1265config SGI_HAS_I8042
1266	bool
1267
1268config DEFAULT_SGI_PARTITION
1269	bool
1270
1271config FW_ARC32
1272	bool
1273
1274config FW_SNIPROM
1275	bool
1276
1277config BOOT_ELF32
1278	bool
1279
1280config MIPS_L1_CACHE_SHIFT_4
1281	bool
1282
1283config MIPS_L1_CACHE_SHIFT_5
1284	bool
1285
1286config MIPS_L1_CACHE_SHIFT_6
1287	bool
1288
1289config MIPS_L1_CACHE_SHIFT_7
1290	bool
1291
1292config MIPS_L1_CACHE_SHIFT
1293	int
1294	default "7" if MIPS_L1_CACHE_SHIFT_7
1295	default "6" if MIPS_L1_CACHE_SHIFT_6
1296	default "5" if MIPS_L1_CACHE_SHIFT_5
1297	default "4" if MIPS_L1_CACHE_SHIFT_4
1298	default "5"
1299
1300config HAVE_STD_PC_SERIAL_PORT
1301	bool
1302
1303config ARC_CONSOLE
1304	bool "ARC console support"
1305	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1306
1307config ARC_MEMORY
1308	bool
1309	depends on MACH_JAZZ || SNI_RM || SGI_IP32
1310	default y
1311
1312config ARC_PROMLIB
1313	bool
1314	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1315	default y
1316
1317config FW_ARC64
1318	bool
1319
1320config BOOT_ELF64
1321	bool
1322
1323menu "CPU selection"
1324
1325choice
1326	prompt "CPU type"
1327	default CPU_R4X00
1328
1329config CPU_LOONGSON3
1330	bool "Loongson 3 CPU"
1331	depends on SYS_HAS_CPU_LOONGSON3
1332	select CPU_SUPPORTS_64BIT_KERNEL
1333	select CPU_SUPPORTS_HIGHMEM
1334	select CPU_SUPPORTS_HUGEPAGES
1335	select WEAK_ORDERING
1336	select WEAK_REORDERING_BEYOND_LLSC
1337	select ARCH_REQUIRE_GPIOLIB
1338	help
1339		The Loongson 3 processor implements the MIPS64R2 instruction
1340		set with many extensions.
1341
1342config CPU_LOONGSON2E
1343	bool "Loongson 2E"
1344	depends on SYS_HAS_CPU_LOONGSON2E
1345	select CPU_LOONGSON2
1346	help
1347	  The Loongson 2E processor implements the MIPS III instruction set
1348	  with many extensions.
1349
1350	  It has an internal FPGA northbridge, which is compatible to
1351	  bonito64.
1352
1353config CPU_LOONGSON2F
1354	bool "Loongson 2F"
1355	depends on SYS_HAS_CPU_LOONGSON2F
1356	select CPU_LOONGSON2
1357	select ARCH_REQUIRE_GPIOLIB
1358	help
1359	  The Loongson 2F processor implements the MIPS III instruction set
1360	  with many extensions.
1361
1362	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1363	  have a similar programming interface with FPGA northbridge used in
1364	  Loongson2E.
1365
1366config CPU_LOONGSON1B
1367	bool "Loongson 1B"
1368	depends on SYS_HAS_CPU_LOONGSON1B
1369	select CPU_LOONGSON1
1370	help
1371	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1372	  release 2 instruction set.
1373
1374config CPU_MIPS32_R1
1375	bool "MIPS32 Release 1"
1376	depends on SYS_HAS_CPU_MIPS32_R1
1377	select CPU_HAS_PREFETCH
1378	select CPU_SUPPORTS_32BIT_KERNEL
1379	select CPU_SUPPORTS_HIGHMEM
1380	help
1381	  Choose this option to build a kernel for release 1 or later of the
1382	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1383	  MIPS processor are based on a MIPS32 processor.  If you know the
1384	  specific type of processor in your system, choose those that one
1385	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1386	  Release 2 of the MIPS32 architecture is available since several
1387	  years so chances are you even have a MIPS32 Release 2 processor
1388	  in which case you should choose CPU_MIPS32_R2 instead for better
1389	  performance.
1390
1391config CPU_MIPS32_R2
1392	bool "MIPS32 Release 2"
1393	depends on SYS_HAS_CPU_MIPS32_R2
1394	select CPU_HAS_PREFETCH
1395	select CPU_SUPPORTS_32BIT_KERNEL
1396	select CPU_SUPPORTS_HIGHMEM
1397	select CPU_SUPPORTS_MSA
1398	select HAVE_KVM
1399	help
1400	  Choose this option to build a kernel for release 2 or later of the
1401	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1402	  MIPS processor are based on a MIPS32 processor.  If you know the
1403	  specific type of processor in your system, choose those that one
1404	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1405
1406config CPU_MIPS32_R6
1407	bool "MIPS32 Release 6"
1408	depends on SYS_HAS_CPU_MIPS32_R6
1409	select CPU_HAS_PREFETCH
1410	select CPU_SUPPORTS_32BIT_KERNEL
1411	select CPU_SUPPORTS_HIGHMEM
1412	select CPU_SUPPORTS_MSA
1413	select GENERIC_CSUM
1414	select HAVE_KVM
1415	select MIPS_O32_FP64_SUPPORT
1416	help
1417	  Choose this option to build a kernel for release 6 or later of the
1418	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1419	  family, are based on a MIPS32r6 processor. If you own an older
1420	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1421
1422config CPU_MIPS64_R1
1423	bool "MIPS64 Release 1"
1424	depends on SYS_HAS_CPU_MIPS64_R1
1425	select CPU_HAS_PREFETCH
1426	select CPU_SUPPORTS_32BIT_KERNEL
1427	select CPU_SUPPORTS_64BIT_KERNEL
1428	select CPU_SUPPORTS_HIGHMEM
1429	select CPU_SUPPORTS_HUGEPAGES
1430	help
1431	  Choose this option to build a kernel for release 1 or later of the
1432	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1433	  MIPS processor are based on a MIPS64 processor.  If you know the
1434	  specific type of processor in your system, choose those that one
1435	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1436	  Release 2 of the MIPS64 architecture is available since several
1437	  years so chances are you even have a MIPS64 Release 2 processor
1438	  in which case you should choose CPU_MIPS64_R2 instead for better
1439	  performance.
1440
1441config CPU_MIPS64_R2
1442	bool "MIPS64 Release 2"
1443	depends on SYS_HAS_CPU_MIPS64_R2
1444	select CPU_HAS_PREFETCH
1445	select CPU_SUPPORTS_32BIT_KERNEL
1446	select CPU_SUPPORTS_64BIT_KERNEL
1447	select CPU_SUPPORTS_HIGHMEM
1448	select CPU_SUPPORTS_HUGEPAGES
1449	select CPU_SUPPORTS_MSA
1450	help
1451	  Choose this option to build a kernel for release 2 or later of the
1452	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453	  MIPS processor are based on a MIPS64 processor.  If you know the
1454	  specific type of processor in your system, choose those that one
1455	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456
1457config CPU_MIPS64_R6
1458	bool "MIPS64 Release 6"
1459	depends on SYS_HAS_CPU_MIPS64_R6
1460	select CPU_HAS_PREFETCH
1461	select CPU_SUPPORTS_32BIT_KERNEL
1462	select CPU_SUPPORTS_64BIT_KERNEL
1463	select CPU_SUPPORTS_HIGHMEM
1464	select CPU_SUPPORTS_MSA
1465	select GENERIC_CSUM
1466	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1467	help
1468	  Choose this option to build a kernel for release 6 or later of the
1469	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1470	  family, are based on a MIPS64r6 processor. If you own an older
1471	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1472
1473config CPU_R3000
1474	bool "R3000"
1475	depends on SYS_HAS_CPU_R3000
1476	select CPU_HAS_WB
1477	select CPU_SUPPORTS_32BIT_KERNEL
1478	select CPU_SUPPORTS_HIGHMEM
1479	help
1480	  Please make sure to pick the right CPU type. Linux/MIPS is not
1481	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1482	  *not* work on R4000 machines and vice versa.  However, since most
1483	  of the supported machines have an R4000 (or similar) CPU, R4x00
1484	  might be a safe bet.  If the resulting kernel does not work,
1485	  try to recompile with R3000.
1486
1487config CPU_TX39XX
1488	bool "R39XX"
1489	depends on SYS_HAS_CPU_TX39XX
1490	select CPU_SUPPORTS_32BIT_KERNEL
1491
1492config CPU_VR41XX
1493	bool "R41xx"
1494	depends on SYS_HAS_CPU_VR41XX
1495	select CPU_SUPPORTS_32BIT_KERNEL
1496	select CPU_SUPPORTS_64BIT_KERNEL
1497	help
1498	  The options selects support for the NEC VR4100 series of processors.
1499	  Only choose this option if you have one of these processors as a
1500	  kernel built with this option will not run on any other type of
1501	  processor or vice versa.
1502
1503config CPU_R4300
1504	bool "R4300"
1505	depends on SYS_HAS_CPU_R4300
1506	select CPU_SUPPORTS_32BIT_KERNEL
1507	select CPU_SUPPORTS_64BIT_KERNEL
1508	help
1509	  MIPS Technologies R4300-series processors.
1510
1511config CPU_R4X00
1512	bool "R4x00"
1513	depends on SYS_HAS_CPU_R4X00
1514	select CPU_SUPPORTS_32BIT_KERNEL
1515	select CPU_SUPPORTS_64BIT_KERNEL
1516	select CPU_SUPPORTS_HUGEPAGES
1517	help
1518	  MIPS Technologies R4000-series processors other than 4300, including
1519	  the R4000, R4400, R4600, and 4700.
1520
1521config CPU_TX49XX
1522	bool "R49XX"
1523	depends on SYS_HAS_CPU_TX49XX
1524	select CPU_HAS_PREFETCH
1525	select CPU_SUPPORTS_32BIT_KERNEL
1526	select CPU_SUPPORTS_64BIT_KERNEL
1527	select CPU_SUPPORTS_HUGEPAGES
1528
1529config CPU_R5000
1530	bool "R5000"
1531	depends on SYS_HAS_CPU_R5000
1532	select CPU_SUPPORTS_32BIT_KERNEL
1533	select CPU_SUPPORTS_64BIT_KERNEL
1534	select CPU_SUPPORTS_HUGEPAGES
1535	help
1536	  MIPS Technologies R5000-series processors other than the Nevada.
1537
1538config CPU_R5432
1539	bool "R5432"
1540	depends on SYS_HAS_CPU_R5432
1541	select CPU_SUPPORTS_32BIT_KERNEL
1542	select CPU_SUPPORTS_64BIT_KERNEL
1543	select CPU_SUPPORTS_HUGEPAGES
1544
1545config CPU_R5500
1546	bool "R5500"
1547	depends on SYS_HAS_CPU_R5500
1548	select CPU_SUPPORTS_32BIT_KERNEL
1549	select CPU_SUPPORTS_64BIT_KERNEL
1550	select CPU_SUPPORTS_HUGEPAGES
1551	help
1552	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1553	  instruction set.
1554
1555config CPU_R6000
1556	bool "R6000"
1557	depends on SYS_HAS_CPU_R6000
1558	select CPU_SUPPORTS_32BIT_KERNEL
1559	help
1560	  MIPS Technologies R6000 and R6000A series processors.  Note these
1561	  processors are extremely rare and the support for them is incomplete.
1562
1563config CPU_NEVADA
1564	bool "RM52xx"
1565	depends on SYS_HAS_CPU_NEVADA
1566	select CPU_SUPPORTS_32BIT_KERNEL
1567	select CPU_SUPPORTS_64BIT_KERNEL
1568	select CPU_SUPPORTS_HUGEPAGES
1569	help
1570	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1571
1572config CPU_R8000
1573	bool "R8000"
1574	depends on SYS_HAS_CPU_R8000
1575	select CPU_HAS_PREFETCH
1576	select CPU_SUPPORTS_64BIT_KERNEL
1577	help
1578	  MIPS Technologies R8000 processors.  Note these processors are
1579	  uncommon and the support for them is incomplete.
1580
1581config CPU_R10000
1582	bool "R10000"
1583	depends on SYS_HAS_CPU_R10000
1584	select CPU_HAS_PREFETCH
1585	select CPU_SUPPORTS_32BIT_KERNEL
1586	select CPU_SUPPORTS_64BIT_KERNEL
1587	select CPU_SUPPORTS_HIGHMEM
1588	select CPU_SUPPORTS_HUGEPAGES
1589	help
1590	  MIPS Technologies R10000-series processors.
1591
1592config CPU_RM7000
1593	bool "RM7000"
1594	depends on SYS_HAS_CPU_RM7000
1595	select CPU_HAS_PREFETCH
1596	select CPU_SUPPORTS_32BIT_KERNEL
1597	select CPU_SUPPORTS_64BIT_KERNEL
1598	select CPU_SUPPORTS_HIGHMEM
1599	select CPU_SUPPORTS_HUGEPAGES
1600
1601config CPU_SB1
1602	bool "SB1"
1603	depends on SYS_HAS_CPU_SB1
1604	select CPU_SUPPORTS_32BIT_KERNEL
1605	select CPU_SUPPORTS_64BIT_KERNEL
1606	select CPU_SUPPORTS_HIGHMEM
1607	select CPU_SUPPORTS_HUGEPAGES
1608	select WEAK_ORDERING
1609
1610config CPU_CAVIUM_OCTEON
1611	bool "Cavium Octeon processor"
1612	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1613	select CPU_HAS_PREFETCH
1614	select CPU_SUPPORTS_64BIT_KERNEL
1615	select WEAK_ORDERING
1616	select CPU_SUPPORTS_HIGHMEM
1617	select CPU_SUPPORTS_HUGEPAGES
1618	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1619	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1620	select MIPS_L1_CACHE_SHIFT_7
1621	help
1622	  The Cavium Octeon processor is a highly integrated chip containing
1623	  many ethernet hardware widgets for networking tasks. The processor
1624	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1625	  Full details can be found at http://www.caviumnetworks.com.
1626
1627config CPU_BMIPS
1628	bool "Broadcom BMIPS"
1629	depends on SYS_HAS_CPU_BMIPS
1630	select CPU_MIPS32
1631	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1632	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1633	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1634	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1635	select CPU_SUPPORTS_32BIT_KERNEL
1636	select DMA_NONCOHERENT
1637	select IRQ_MIPS_CPU
1638	select SWAP_IO_SPACE
1639	select WEAK_ORDERING
1640	select CPU_SUPPORTS_HIGHMEM
1641	select CPU_HAS_PREFETCH
1642	help
1643	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1644
1645config CPU_XLR
1646	bool "Netlogic XLR SoC"
1647	depends on SYS_HAS_CPU_XLR
1648	select CPU_SUPPORTS_32BIT_KERNEL
1649	select CPU_SUPPORTS_64BIT_KERNEL
1650	select CPU_SUPPORTS_HIGHMEM
1651	select CPU_SUPPORTS_HUGEPAGES
1652	select WEAK_ORDERING
1653	select WEAK_REORDERING_BEYOND_LLSC
1654	help
1655	  Netlogic Microsystems XLR/XLS processors.
1656
1657config CPU_XLP
1658	bool "Netlogic XLP SoC"
1659	depends on SYS_HAS_CPU_XLP
1660	select CPU_SUPPORTS_32BIT_KERNEL
1661	select CPU_SUPPORTS_64BIT_KERNEL
1662	select CPU_SUPPORTS_HIGHMEM
1663	select WEAK_ORDERING
1664	select WEAK_REORDERING_BEYOND_LLSC
1665	select CPU_HAS_PREFETCH
1666	select CPU_MIPSR2
1667	select CPU_SUPPORTS_HUGEPAGES
1668	help
1669	  Netlogic Microsystems XLP processors.
1670endchoice
1671
1672config CPU_MIPS32_3_5_FEATURES
1673	bool "MIPS32 Release 3.5 Features"
1674	depends on SYS_HAS_CPU_MIPS32_R3_5
1675	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1676	help
1677	  Choose this option to build a kernel for release 2 or later of the
1678	  MIPS32 architecture including features from the 3.5 release such as
1679	  support for Enhanced Virtual Addressing (EVA).
1680
1681config CPU_MIPS32_3_5_EVA
1682	bool "Enhanced Virtual Addressing (EVA)"
1683	depends on CPU_MIPS32_3_5_FEATURES
1684	select EVA
1685	default y
1686	help
1687	  Choose this option if you want to enable the Enhanced Virtual
1688	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1689	  One of its primary benefits is an increase in the maximum size
1690	  of lowmem (up to 3GB). If unsure, say 'N' here.
1691
1692config CPU_MIPS32_R5_FEATURES
1693	bool "MIPS32 Release 5 Features"
1694	depends on SYS_HAS_CPU_MIPS32_R5
1695	depends on CPU_MIPS32_R2
1696	help
1697	  Choose this option to build a kernel for release 2 or later of the
1698	  MIPS32 architecture including features from release 5 such as
1699	  support for Extended Physical Addressing (XPA).
1700
1701config CPU_MIPS32_R5_XPA
1702	bool "Extended Physical Addressing (XPA)"
1703	depends on CPU_MIPS32_R5_FEATURES
1704	depends on !EVA
1705	depends on !PAGE_SIZE_4KB
1706	depends on SYS_SUPPORTS_HIGHMEM
1707	select XPA
1708	select HIGHMEM
1709	select ARCH_PHYS_ADDR_T_64BIT
1710	default n
1711	help
1712	  Choose this option if you want to enable the Extended Physical
1713	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1714	  benefit is to increase physical addressing equal to or greater
1715	  than 40 bits. Note that this has the side effect of turning on
1716	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1717	  If unsure, say 'N' here.
1718
1719if CPU_LOONGSON2F
1720config CPU_NOP_WORKAROUNDS
1721	bool
1722
1723config CPU_JUMP_WORKAROUNDS
1724	bool
1725
1726config CPU_LOONGSON2F_WORKAROUNDS
1727	bool "Loongson 2F Workarounds"
1728	default y
1729	select CPU_NOP_WORKAROUNDS
1730	select CPU_JUMP_WORKAROUNDS
1731	help
1732	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1733	  require workarounds.  Without workarounds the system may hang
1734	  unexpectedly.  For more information please refer to the gas
1735	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1736
1737	  Loongson 2F03 and later have fixed these issues and no workarounds
1738	  are needed.  The workarounds have no significant side effect on them
1739	  but may decrease the performance of the system so this option should
1740	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1741	  systems.
1742
1743	  If unsure, please say Y.
1744endif # CPU_LOONGSON2F
1745
1746config SYS_SUPPORTS_ZBOOT
1747	bool
1748	select HAVE_KERNEL_GZIP
1749	select HAVE_KERNEL_BZIP2
1750	select HAVE_KERNEL_LZ4
1751	select HAVE_KERNEL_LZMA
1752	select HAVE_KERNEL_LZO
1753	select HAVE_KERNEL_XZ
1754
1755config SYS_SUPPORTS_ZBOOT_UART16550
1756	bool
1757	select SYS_SUPPORTS_ZBOOT
1758
1759config CPU_LOONGSON2
1760	bool
1761	select CPU_SUPPORTS_32BIT_KERNEL
1762	select CPU_SUPPORTS_64BIT_KERNEL
1763	select CPU_SUPPORTS_HIGHMEM
1764	select CPU_SUPPORTS_HUGEPAGES
1765
1766config CPU_LOONGSON1
1767	bool
1768	select CPU_MIPS32
1769	select CPU_MIPSR2
1770	select CPU_HAS_PREFETCH
1771	select CPU_SUPPORTS_32BIT_KERNEL
1772	select CPU_SUPPORTS_HIGHMEM
1773	select CPU_SUPPORTS_CPUFREQ
1774
1775config CPU_BMIPS32_3300
1776	select SMP_UP if SMP
1777	bool
1778
1779config CPU_BMIPS4350
1780	bool
1781	select SYS_SUPPORTS_SMP
1782	select SYS_SUPPORTS_HOTPLUG_CPU
1783
1784config CPU_BMIPS4380
1785	bool
1786	select MIPS_L1_CACHE_SHIFT_6
1787	select SYS_SUPPORTS_SMP
1788	select SYS_SUPPORTS_HOTPLUG_CPU
1789
1790config CPU_BMIPS5000
1791	bool
1792	select MIPS_CPU_SCACHE
1793	select MIPS_L1_CACHE_SHIFT_7
1794	select SYS_SUPPORTS_SMP
1795	select SYS_SUPPORTS_HOTPLUG_CPU
1796
1797config SYS_HAS_CPU_LOONGSON3
1798	bool
1799	select CPU_SUPPORTS_CPUFREQ
1800
1801config SYS_HAS_CPU_LOONGSON2E
1802	bool
1803
1804config SYS_HAS_CPU_LOONGSON2F
1805	bool
1806	select CPU_SUPPORTS_CPUFREQ
1807	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1808	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1809
1810config SYS_HAS_CPU_LOONGSON1B
1811	bool
1812
1813config SYS_HAS_CPU_MIPS32_R1
1814	bool
1815
1816config SYS_HAS_CPU_MIPS32_R2
1817	bool
1818
1819config SYS_HAS_CPU_MIPS32_R3_5
1820	bool
1821
1822config SYS_HAS_CPU_MIPS32_R5
1823	bool
1824
1825config SYS_HAS_CPU_MIPS32_R6
1826	bool
1827
1828config SYS_HAS_CPU_MIPS64_R1
1829	bool
1830
1831config SYS_HAS_CPU_MIPS64_R2
1832	bool
1833
1834config SYS_HAS_CPU_MIPS64_R6
1835	bool
1836
1837config SYS_HAS_CPU_R3000
1838	bool
1839
1840config SYS_HAS_CPU_TX39XX
1841	bool
1842
1843config SYS_HAS_CPU_VR41XX
1844	bool
1845
1846config SYS_HAS_CPU_R4300
1847	bool
1848
1849config SYS_HAS_CPU_R4X00
1850	bool
1851
1852config SYS_HAS_CPU_TX49XX
1853	bool
1854
1855config SYS_HAS_CPU_R5000
1856	bool
1857
1858config SYS_HAS_CPU_R5432
1859	bool
1860
1861config SYS_HAS_CPU_R5500
1862	bool
1863
1864config SYS_HAS_CPU_R6000
1865	bool
1866
1867config SYS_HAS_CPU_NEVADA
1868	bool
1869
1870config SYS_HAS_CPU_R8000
1871	bool
1872
1873config SYS_HAS_CPU_R10000
1874	bool
1875
1876config SYS_HAS_CPU_RM7000
1877	bool
1878
1879config SYS_HAS_CPU_SB1
1880	bool
1881
1882config SYS_HAS_CPU_CAVIUM_OCTEON
1883	bool
1884
1885config SYS_HAS_CPU_BMIPS
1886	bool
1887
1888config SYS_HAS_CPU_BMIPS32_3300
1889	bool
1890	select SYS_HAS_CPU_BMIPS
1891
1892config SYS_HAS_CPU_BMIPS4350
1893	bool
1894	select SYS_HAS_CPU_BMIPS
1895
1896config SYS_HAS_CPU_BMIPS4380
1897	bool
1898	select SYS_HAS_CPU_BMIPS
1899
1900config SYS_HAS_CPU_BMIPS5000
1901	bool
1902	select SYS_HAS_CPU_BMIPS
1903
1904config SYS_HAS_CPU_XLR
1905	bool
1906
1907config SYS_HAS_CPU_XLP
1908	bool
1909
1910config MIPS_MALTA_PM
1911	depends on MIPS_MALTA
1912	depends on PCI
1913	bool
1914	default y
1915
1916#
1917# CPU may reorder R->R, R->W, W->R, W->W
1918# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1919#
1920config WEAK_ORDERING
1921	bool
1922
1923#
1924# CPU may reorder reads and writes beyond LL/SC
1925# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1926#
1927config WEAK_REORDERING_BEYOND_LLSC
1928	bool
1929endmenu
1930
1931#
1932# These two indicate any level of the MIPS32 and MIPS64 architecture
1933#
1934config CPU_MIPS32
1935	bool
1936	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1937
1938config CPU_MIPS64
1939	bool
1940	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1941
1942#
1943# These two indicate the revision of the architecture, either Release 1 or Release 2
1944#
1945config CPU_MIPSR1
1946	bool
1947	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1948
1949config CPU_MIPSR2
1950	bool
1951	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1952	select MIPS_SPRAM
1953
1954config CPU_MIPSR6
1955	bool
1956	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1957	select MIPS_SPRAM
1958
1959config EVA
1960	bool
1961
1962config XPA
1963	bool
1964
1965config SYS_SUPPORTS_32BIT_KERNEL
1966	bool
1967config SYS_SUPPORTS_64BIT_KERNEL
1968	bool
1969config CPU_SUPPORTS_32BIT_KERNEL
1970	bool
1971config CPU_SUPPORTS_64BIT_KERNEL
1972	bool
1973config CPU_SUPPORTS_CPUFREQ
1974	bool
1975config CPU_SUPPORTS_ADDRWINCFG
1976	bool
1977config CPU_SUPPORTS_HUGEPAGES
1978	bool
1979config CPU_SUPPORTS_UNCACHED_ACCELERATED
1980	bool
1981config MIPS_PGD_C0_CONTEXT
1982	bool
1983	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1984
1985#
1986# Set to y for ptrace access to watch registers.
1987#
1988config HARDWARE_WATCHPOINTS
1989       bool
1990       default y if CPU_MIPSR1 || CPU_MIPSR2
1991
1992menu "Kernel type"
1993
1994choice
1995	prompt "Kernel code model"
1996	help
1997	  You should only select this option if you have a workload that
1998	  actually benefits from 64-bit processing or if your machine has
1999	  large memory.  You will only be presented a single option in this
2000	  menu if your system does not support both 32-bit and 64-bit kernels.
2001
2002config 32BIT
2003	bool "32-bit kernel"
2004	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2005	select TRAD_SIGNALS
2006	help
2007	  Select this option if you want to build a 32-bit kernel.
2008
2009config 64BIT
2010	bool "64-bit kernel"
2011	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2012	help
2013	  Select this option if you want to build a 64-bit kernel.
2014
2015endchoice
2016
2017config KVM_GUEST
2018	bool "KVM Guest Kernel"
2019	depends on BROKEN_ON_SMP
2020	help
2021	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
2022
2023config KVM_GUEST_TIMER_FREQ
2024	int "Count/Compare Timer Frequency (MHz)"
2025	depends on KVM_GUEST
2026	default 100
2027	help
2028	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2029	  emulation when determining guest CPU Frequency. Instead, the guest's
2030	  timer frequency is specified directly.
2031
2032choice
2033	prompt "Kernel page size"
2034	default PAGE_SIZE_4KB
2035
2036config PAGE_SIZE_4KB
2037	bool "4kB"
2038	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2039	help
2040	 This option select the standard 4kB Linux page size.  On some
2041	 R3000-family processors this is the only available page size.  Using
2042	 4kB page size will minimize memory consumption and is therefore
2043	 recommended for low memory systems.
2044
2045config PAGE_SIZE_8KB
2046	bool "8kB"
2047	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2048	help
2049	  Using 8kB page size will result in higher performance kernel at
2050	  the price of higher memory consumption.  This option is available
2051	  only on R8000 and cnMIPS processors.  Note that you will need a
2052	  suitable Linux distribution to support this.
2053
2054config PAGE_SIZE_16KB
2055	bool "16kB"
2056	depends on !CPU_R3000 && !CPU_TX39XX
2057	help
2058	  Using 16kB page size will result in higher performance kernel at
2059	  the price of higher memory consumption.  This option is available on
2060	  all non-R3000 family processors.  Note that you will need a suitable
2061	  Linux distribution to support this.
2062
2063config PAGE_SIZE_32KB
2064	bool "32kB"
2065	depends on CPU_CAVIUM_OCTEON
2066	help
2067	  Using 32kB page size will result in higher performance kernel at
2068	  the price of higher memory consumption.  This option is available
2069	  only on cnMIPS cores.  Note that you will need a suitable Linux
2070	  distribution to support this.
2071
2072config PAGE_SIZE_64KB
2073	bool "64kB"
2074	depends on !CPU_R3000 && !CPU_TX39XX
2075	help
2076	  Using 64kB page size will result in higher performance kernel at
2077	  the price of higher memory consumption.  This option is available on
2078	  all non-R3000 family processor.  Not that at the time of this
2079	  writing this option is still high experimental.
2080
2081endchoice
2082
2083config FORCE_MAX_ZONEORDER
2084	int "Maximum zone order"
2085	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2086	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2087	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2088	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2089	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2090	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2091	range 11 64
2092	default "11"
2093	help
2094	  The kernel memory allocator divides physically contiguous memory
2095	  blocks into "zones", where each zone is a power of two number of
2096	  pages.  This option selects the largest power of two that the kernel
2097	  keeps in the memory allocator.  If you need to allocate very large
2098	  blocks of physically contiguous memory, then you may need to
2099	  increase this value.
2100
2101	  This config option is actually maximum order plus one. For example,
2102	  a value of 11 means that the largest free memory block is 2^10 pages.
2103
2104	  The page size is not necessarily 4KB.  Keep this in mind
2105	  when choosing a value for this option.
2106
2107config BOARD_SCACHE
2108	bool
2109
2110config IP22_CPU_SCACHE
2111	bool
2112	select BOARD_SCACHE
2113
2114#
2115# Support for a MIPS32 / MIPS64 style S-caches
2116#
2117config MIPS_CPU_SCACHE
2118	bool
2119	select BOARD_SCACHE
2120
2121config R5000_CPU_SCACHE
2122	bool
2123	select BOARD_SCACHE
2124
2125config RM7000_CPU_SCACHE
2126	bool
2127	select BOARD_SCACHE
2128
2129config SIBYTE_DMA_PAGEOPS
2130	bool "Use DMA to clear/copy pages"
2131	depends on CPU_SB1
2132	help
2133	  Instead of using the CPU to zero and copy pages, use a Data Mover
2134	  channel.  These DMA channels are otherwise unused by the standard
2135	  SiByte Linux port.  Seems to give a small performance benefit.
2136
2137config CPU_HAS_PREFETCH
2138	bool
2139
2140config CPU_GENERIC_DUMP_TLB
2141	bool
2142	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2143
2144config CPU_R4K_FPU
2145	bool
2146	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2147
2148config CPU_R4K_CACHE_TLB
2149	bool
2150	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2151
2152config MIPS_MT_SMP
2153	bool "MIPS MT SMP support (1 TC on each available VPE)"
2154	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2155	select CPU_MIPSR2_IRQ_VI
2156	select CPU_MIPSR2_IRQ_EI
2157	select SYNC_R4K
2158	select MIPS_GIC_IPI
2159	select MIPS_MT
2160	select SMP
2161	select SMP_UP
2162	select SYS_SUPPORTS_SMP
2163	select SYS_SUPPORTS_SCHED_SMT
2164	select MIPS_PERF_SHARED_TC_COUNTERS
2165	help
2166	  This is a kernel model which is known as SMVP. This is supported
2167	  on cores with the MT ASE and uses the available VPEs to implement
2168	  virtual processors which supports SMP. This is equivalent to the
2169	  Intel Hyperthreading feature. For further information go to
2170	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2171
2172config MIPS_MT
2173	bool
2174
2175config SCHED_SMT
2176	bool "SMT (multithreading) scheduler support"
2177	depends on SYS_SUPPORTS_SCHED_SMT
2178	default n
2179	help
2180	  SMT scheduler support improves the CPU scheduler's decision making
2181	  when dealing with MIPS MT enabled cores at a cost of slightly
2182	  increased overhead in some places. If unsure say N here.
2183
2184config SYS_SUPPORTS_SCHED_SMT
2185	bool
2186
2187config SYS_SUPPORTS_MULTITHREADING
2188	bool
2189
2190config MIPS_MT_FPAFF
2191	bool "Dynamic FPU affinity for FP-intensive threads"
2192	default y
2193	depends on MIPS_MT_SMP
2194
2195config MIPSR2_TO_R6_EMULATOR
2196	bool "MIPS R2-to-R6 emulator"
2197	depends on CPU_MIPSR6 && !SMP
2198	default y
2199	help
2200	  Choose this option if you want to run non-R6 MIPS userland code.
2201	  Even if you say 'Y' here, the emulator will still be disabled by
2202	  default. You can enable it using the 'mipsr2emu' kernel option.
2203	  The only reason this is a build-time option is to save ~14K from the
2204	  final kernel image.
2205comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2206	depends on SMP && CPU_MIPSR6
2207
2208config MIPS_VPE_LOADER
2209	bool "VPE loader support."
2210	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2211	select CPU_MIPSR2_IRQ_VI
2212	select CPU_MIPSR2_IRQ_EI
2213	select MIPS_MT
2214	help
2215	  Includes a loader for loading an elf relocatable object
2216	  onto another VPE and running it.
2217
2218config MIPS_VPE_LOADER_CMP
2219	bool
2220	default "y"
2221	depends on MIPS_VPE_LOADER && MIPS_CMP
2222
2223config MIPS_VPE_LOADER_MT
2224	bool
2225	default "y"
2226	depends on MIPS_VPE_LOADER && !MIPS_CMP
2227
2228config MIPS_VPE_LOADER_TOM
2229	bool "Load VPE program into memory hidden from linux"
2230	depends on MIPS_VPE_LOADER
2231	default y
2232	help
2233	  The loader can use memory that is present but has been hidden from
2234	  Linux using the kernel command line option "mem=xxMB". It's up to
2235	  you to ensure the amount you put in the option and the space your
2236	  program requires is less or equal to the amount physically present.
2237
2238config MIPS_VPE_APSP_API
2239	bool "Enable support for AP/SP API (RTLX)"
2240	depends on MIPS_VPE_LOADER
2241	help
2242
2243config MIPS_VPE_APSP_API_CMP
2244	bool
2245	default "y"
2246	depends on MIPS_VPE_APSP_API && MIPS_CMP
2247
2248config MIPS_VPE_APSP_API_MT
2249	bool
2250	default "y"
2251	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2252
2253config MIPS_CMP
2254	bool "MIPS CMP framework support (DEPRECATED)"
2255	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2256	select MIPS_GIC_IPI
2257	select SMP
2258	select SYNC_R4K
2259	select SYS_SUPPORTS_SMP
2260	select WEAK_ORDERING
2261	default n
2262	help
2263	  Select this if you are using a bootloader which implements the "CMP
2264	  framework" protocol (ie. YAMON) and want your kernel to make use of
2265	  its ability to start secondary CPUs.
2266
2267	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2268	  instead of this.
2269
2270config MIPS_CPS
2271	bool "MIPS Coherent Processing System support"
2272	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2273	select MIPS_CM
2274	select MIPS_CPC
2275	select MIPS_CPS_PM if HOTPLUG_CPU
2276	select MIPS_GIC_IPI
2277	select SMP
2278	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2279	select SYS_SUPPORTS_HOTPLUG_CPU
2280	select SYS_SUPPORTS_SMP
2281	select WEAK_ORDERING
2282	help
2283	  Select this if you wish to run an SMP kernel across multiple cores
2284	  within a MIPS Coherent Processing System. When this option is
2285	  enabled the kernel will probe for other cores and boot them with
2286	  no external assistance. It is safe to enable this when hardware
2287	  support is unavailable.
2288
2289config MIPS_CPS_PM
2290	depends on MIPS_CPS
2291	select MIPS_CPC
2292	bool
2293
2294config MIPS_GIC_IPI
2295	bool
2296
2297config MIPS_CM
2298	bool
2299
2300config MIPS_CPC
2301	bool
2302
2303config SB1_PASS_2_WORKAROUNDS
2304	bool
2305	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2306	default y
2307
2308config SB1_PASS_2_1_WORKAROUNDS
2309	bool
2310	depends on CPU_SB1 && CPU_SB1_PASS_2
2311	default y
2312
2313
2314config ARCH_PHYS_ADDR_T_64BIT
2315       bool
2316
2317choice
2318	prompt "SmartMIPS or microMIPS ASE support"
2319
2320config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2321	bool "None"
2322	help
2323	  Select this if you want neither microMIPS nor SmartMIPS support
2324
2325config CPU_HAS_SMARTMIPS
2326	depends on SYS_SUPPORTS_SMARTMIPS
2327	bool "SmartMIPS"
2328	help
2329	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2330	  increased security at both hardware and software level for
2331	  smartcards.  Enabling this option will allow proper use of the
2332	  SmartMIPS instructions by Linux applications.  However a kernel with
2333	  this option will not work on a MIPS core without SmartMIPS core.  If
2334	  you don't know you probably don't have SmartMIPS and should say N
2335	  here.
2336
2337config CPU_MICROMIPS
2338	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2339	bool "microMIPS"
2340	help
2341	  When this option is enabled the kernel will be built using the
2342	  microMIPS ISA
2343
2344endchoice
2345
2346config CPU_HAS_MSA
2347	bool "Support for the MIPS SIMD Architecture"
2348	depends on CPU_SUPPORTS_MSA
2349	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2350	help
2351	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2352	  and a set of SIMD instructions to operate on them. When this option
2353	  is enabled the kernel will support allocating & switching MSA
2354	  vector register contexts. If you know that your kernel will only be
2355	  running on CPUs which do not support MSA or that your userland will
2356	  not be making use of it then you may wish to say N here to reduce
2357	  the size & complexity of your kernel.
2358
2359	  If unsure, say Y.
2360
2361config CPU_HAS_WB
2362	bool
2363
2364config XKS01
2365	bool
2366
2367#
2368# Vectored interrupt mode is an R2 feature
2369#
2370config CPU_MIPSR2_IRQ_VI
2371	bool
2372
2373#
2374# Extended interrupt mode is an R2 feature
2375#
2376config CPU_MIPSR2_IRQ_EI
2377	bool
2378
2379config CPU_HAS_SYNC
2380	bool
2381	depends on !CPU_R3000
2382	default y
2383
2384#
2385# CPU non-features
2386#
2387config CPU_DADDI_WORKAROUNDS
2388	bool
2389
2390config CPU_R4000_WORKAROUNDS
2391	bool
2392	select CPU_R4400_WORKAROUNDS
2393
2394config CPU_R4400_WORKAROUNDS
2395	bool
2396
2397#
2398# - Highmem only makes sense for the 32-bit kernel.
2399# - The current highmem code will only work properly on physically indexed
2400#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2401#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2402#   moment we protect the user and offer the highmem option only on machines
2403#   where it's known to be safe.  This will not offer highmem on a few systems
2404#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2405#   indexed CPUs but we're playing safe.
2406# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2407#   know they might have memory configurations that could make use of highmem
2408#   support.
2409#
2410config HIGHMEM
2411	bool "High Memory Support"
2412	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2413
2414config CPU_SUPPORTS_HIGHMEM
2415	bool
2416
2417config SYS_SUPPORTS_HIGHMEM
2418	bool
2419
2420config SYS_SUPPORTS_SMARTMIPS
2421	bool
2422
2423config SYS_SUPPORTS_MICROMIPS
2424	bool
2425
2426config SYS_SUPPORTS_MIPS16
2427	bool
2428	help
2429	  This option must be set if a kernel might be executed on a MIPS16-
2430	  enabled CPU even if MIPS16 is not actually being used.  In other
2431	  words, it makes the kernel MIPS16-tolerant.
2432
2433config CPU_SUPPORTS_MSA
2434	bool
2435
2436config ARCH_FLATMEM_ENABLE
2437	def_bool y
2438	depends on !NUMA && !CPU_LOONGSON2
2439
2440config ARCH_DISCONTIGMEM_ENABLE
2441	bool
2442	default y if SGI_IP27
2443	help
2444	  Say Y to support efficient handling of discontiguous physical memory,
2445	  for architectures which are either NUMA (Non-Uniform Memory Access)
2446	  or have huge holes in the physical address space for other reasons.
2447	  See <file:Documentation/vm/numa> for more.
2448
2449config ARCH_SPARSEMEM_ENABLE
2450	bool
2451	select SPARSEMEM_STATIC
2452
2453config NUMA
2454	bool "NUMA Support"
2455	depends on SYS_SUPPORTS_NUMA
2456	help
2457	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2458	  Access).  This option improves performance on systems with more
2459	  than two nodes; on two node systems it is generally better to
2460	  leave it disabled; on single node systems disable this option
2461	  disabled.
2462
2463config SYS_SUPPORTS_NUMA
2464	bool
2465
2466config NODES_SHIFT
2467	int
2468	default "6"
2469	depends on NEED_MULTIPLE_NODES
2470
2471config HW_PERF_EVENTS
2472	bool "Enable hardware performance counter support for perf events"
2473	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2474	default y
2475	help
2476	  Enable hardware performance counter support for perf events. If
2477	  disabled, perf events will use software events only.
2478
2479source "mm/Kconfig"
2480
2481config SMP
2482	bool "Multi-Processing support"
2483	depends on SYS_SUPPORTS_SMP
2484	help
2485	  This enables support for systems with more than one CPU. If you have
2486	  a system with only one CPU, say N. If you have a system with more
2487	  than one CPU, say Y.
2488
2489	  If you say N here, the kernel will run on uni- and multiprocessor
2490	  machines, but will use only one CPU of a multiprocessor machine. If
2491	  you say Y here, the kernel will run on many, but not all,
2492	  uniprocessor machines. On a uniprocessor machine, the kernel
2493	  will run faster if you say N here.
2494
2495	  People using multiprocessor machines who say Y here should also say
2496	  Y to "Enhanced Real Time Clock Support", below.
2497
2498	  See also the SMP-HOWTO available at
2499	  <http://www.tldp.org/docs.html#howto>.
2500
2501	  If you don't know what to do here, say N.
2502
2503config SMP_UP
2504	bool
2505
2506config SYS_SUPPORTS_MIPS_CMP
2507	bool
2508
2509config SYS_SUPPORTS_MIPS_CPS
2510	bool
2511
2512config SYS_SUPPORTS_SMP
2513	bool
2514
2515config NR_CPUS_DEFAULT_4
2516	bool
2517
2518config NR_CPUS_DEFAULT_8
2519	bool
2520
2521config NR_CPUS_DEFAULT_16
2522	bool
2523
2524config NR_CPUS_DEFAULT_32
2525	bool
2526
2527config NR_CPUS_DEFAULT_64
2528	bool
2529
2530config NR_CPUS
2531	int "Maximum number of CPUs (2-256)"
2532	range 2 256
2533	depends on SMP
2534	default "4" if NR_CPUS_DEFAULT_4
2535	default "8" if NR_CPUS_DEFAULT_8
2536	default "16" if NR_CPUS_DEFAULT_16
2537	default "32" if NR_CPUS_DEFAULT_32
2538	default "64" if NR_CPUS_DEFAULT_64
2539	help
2540	  This allows you to specify the maximum number of CPUs which this
2541	  kernel will support.  The maximum supported value is 32 for 32-bit
2542	  kernel and 64 for 64-bit kernels; the minimum value which makes
2543	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2544	  and 2 for all others.
2545
2546	  This is purely to save memory - each supported CPU adds
2547	  approximately eight kilobytes to the kernel image.  For best
2548	  performance should round up your number of processors to the next
2549	  power of two.
2550
2551config MIPS_PERF_SHARED_TC_COUNTERS
2552	bool
2553
2554#
2555# Timer Interrupt Frequency Configuration
2556#
2557
2558choice
2559	prompt "Timer frequency"
2560	default HZ_250
2561	help
2562	 Allows the configuration of the timer frequency.
2563
2564	config HZ_24
2565		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2566
2567	config HZ_48
2568		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2569
2570	config HZ_100
2571		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2572
2573	config HZ_128
2574		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2575
2576	config HZ_250
2577		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2578
2579	config HZ_256
2580		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2581
2582	config HZ_1000
2583		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2584
2585	config HZ_1024
2586		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2587
2588endchoice
2589
2590config SYS_SUPPORTS_24HZ
2591	bool
2592
2593config SYS_SUPPORTS_48HZ
2594	bool
2595
2596config SYS_SUPPORTS_100HZ
2597	bool
2598
2599config SYS_SUPPORTS_128HZ
2600	bool
2601
2602config SYS_SUPPORTS_250HZ
2603	bool
2604
2605config SYS_SUPPORTS_256HZ
2606	bool
2607
2608config SYS_SUPPORTS_1000HZ
2609	bool
2610
2611config SYS_SUPPORTS_1024HZ
2612	bool
2613
2614config SYS_SUPPORTS_ARBIT_HZ
2615	bool
2616	default y if !SYS_SUPPORTS_24HZ && \
2617		     !SYS_SUPPORTS_48HZ && \
2618		     !SYS_SUPPORTS_100HZ && \
2619		     !SYS_SUPPORTS_128HZ && \
2620		     !SYS_SUPPORTS_250HZ && \
2621		     !SYS_SUPPORTS_256HZ && \
2622		     !SYS_SUPPORTS_1000HZ && \
2623		     !SYS_SUPPORTS_1024HZ
2624
2625config HZ
2626	int
2627	default 24 if HZ_24
2628	default 48 if HZ_48
2629	default 100 if HZ_100
2630	default 128 if HZ_128
2631	default 250 if HZ_250
2632	default 256 if HZ_256
2633	default 1000 if HZ_1000
2634	default 1024 if HZ_1024
2635
2636config SCHED_HRTICK
2637	def_bool HIGH_RES_TIMERS
2638
2639source "kernel/Kconfig.preempt"
2640
2641config KEXEC
2642	bool "Kexec system call"
2643	select KEXEC_CORE
2644	help
2645	  kexec is a system call that implements the ability to shutdown your
2646	  current kernel, and to start another kernel.  It is like a reboot
2647	  but it is independent of the system firmware.   And like a reboot
2648	  you can start any kernel with it, not just Linux.
2649
2650	  The name comes from the similarity to the exec system call.
2651
2652	  It is an ongoing process to be certain the hardware in a machine
2653	  is properly shutdown, so do not be surprised if this code does not
2654	  initially work for you.  As of this writing the exact hardware
2655	  interface is strongly in flux, so no good recommendation can be
2656	  made.
2657
2658config CRASH_DUMP
2659	  bool "Kernel crash dumps"
2660	  help
2661	  Generate crash dump after being started by kexec.
2662	  This should be normally only set in special crash dump kernels
2663	  which are loaded in the main kernel with kexec-tools into
2664	  a specially reserved region and then later executed after
2665	  a crash by kdump/kexec. The crash dump kernel must be compiled
2666	  to a memory address not used by the main kernel or firmware using
2667	  PHYSICAL_START.
2668
2669config PHYSICAL_START
2670	  hex "Physical address where the kernel is loaded"
2671	  default "0xffffffff84000000" if 64BIT
2672	  default "0x84000000" if 32BIT
2673	  depends on CRASH_DUMP
2674	  help
2675	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2676	  If you plan to use kernel for capturing the crash dump change
2677	  this value to start of the reserved region (the "X" value as
2678	  specified in the "crashkernel=YM@XM" command line boot parameter
2679	  passed to the panic-ed kernel).
2680
2681config SECCOMP
2682	bool "Enable seccomp to safely compute untrusted bytecode"
2683	depends on PROC_FS
2684	default y
2685	help
2686	  This kernel feature is useful for number crunching applications
2687	  that may need to compute untrusted bytecode during their
2688	  execution. By using pipes or other transports made available to
2689	  the process as file descriptors supporting the read/write
2690	  syscalls, it's possible to isolate those applications in
2691	  their own address space using seccomp. Once seccomp is
2692	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2693	  and the task is only allowed to execute a few safe syscalls
2694	  defined by each seccomp mode.
2695
2696	  If unsure, say Y. Only embedded should say N here.
2697
2698config MIPS_O32_FP64_SUPPORT
2699	bool "Support for O32 binaries using 64-bit FP"
2700	depends on 32BIT || MIPS32_O32
2701	help
2702	  When this is enabled, the kernel will support use of 64-bit floating
2703	  point registers with binaries using the O32 ABI along with the
2704	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2705	  32-bit MIPS systems this support is at the cost of increasing the
2706	  size and complexity of the compiled FPU emulator. Thus if you are
2707	  running a MIPS32 system and know that none of your userland binaries
2708	  will require 64-bit floating point, you may wish to reduce the size
2709	  of your kernel & potentially improve FP emulation performance by
2710	  saying N here.
2711
2712	  Although binutils currently supports use of this flag the details
2713	  concerning its effect upon the O32 ABI in userland are still being
2714	  worked on. In order to avoid userland becoming dependant upon current
2715	  behaviour before the details have been finalised, this option should
2716	  be considered experimental and only enabled by those working upon
2717	  said details.
2718
2719	  If unsure, say N.
2720
2721config USE_OF
2722	bool
2723	select OF
2724	select OF_EARLY_FLATTREE
2725	select IRQ_DOMAIN
2726
2727config BUILTIN_DTB
2728	bool
2729
2730choice
2731	prompt "Kernel appended dtb support" if USE_OF
2732	default MIPS_NO_APPENDED_DTB
2733
2734	config MIPS_NO_APPENDED_DTB
2735		bool "None"
2736		help
2737		  Do not enable appended dtb support.
2738
2739	config MIPS_ELF_APPENDED_DTB
2740		bool "vmlinux"
2741		help
2742		  With this option, the boot code will look for a device tree binary
2743		  DTB) included in the vmlinux ELF section .appended_dtb. By default
2744		  it is empty and the DTB can be appended using binutils command
2745		  objcopy:
2746
2747		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2748
2749		  This is meant as a backward compatiblity convenience for those
2750		  systems with a bootloader that can't be upgraded to accommodate
2751		  the documented boot protocol using a device tree.
2752
2753	config MIPS_RAW_APPENDED_DTB
2754		bool "vmlinux.bin"
2755		help
2756		  With this option, the boot code will look for a device tree binary
2757		  DTB) appended to raw vmlinux.bin (without decompressor).
2758		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2759
2760		  This is meant as a backward compatibility convenience for those
2761		  systems with a bootloader that can't be upgraded to accommodate
2762		  the documented boot protocol using a device tree.
2763
2764		  Beware that there is very little in terms of protection against
2765		  this option being confused by leftover garbage in memory that might
2766		  look like a DTB header after a reboot if no actual DTB is appended
2767		  to vmlinux.bin.  Do not leave this option active in a production kernel
2768		  if you don't intend to always append a DTB.
2769
2770	config MIPS_ZBOOT_APPENDED_DTB
2771		bool "vmlinuz.bin"
2772		depends on SYS_SUPPORTS_ZBOOT
2773		help
2774		  With this option, the boot code will look for a device tree binary
2775		  DTB) appended to raw vmlinuz.bin (with decompressor).
2776		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2777
2778		  This is meant as a backward compatibility convenience for those
2779		  systems with a bootloader that can't be upgraded to accommodate
2780		  the documented boot protocol using a device tree.
2781
2782		  Beware that there is very little in terms of protection against
2783		  this option being confused by leftover garbage in memory that might
2784		  look like a DTB header after a reboot if no actual DTB is appended
2785		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2786		  if you don't intend to always append a DTB.
2787endchoice
2788
2789choice
2790	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2791	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2792					 !MIPS_MALTA && !MIPS_SEAD3 && \
2793					 !CAVIUM_OCTEON_SOC
2794	default MIPS_CMDLINE_FROM_BOOTLOADER
2795
2796	config MIPS_CMDLINE_FROM_DTB
2797		depends on USE_OF
2798		bool "Dtb kernel arguments if available"
2799
2800	config MIPS_CMDLINE_DTB_EXTEND
2801		depends on USE_OF
2802		bool "Extend dtb kernel arguments with bootloader arguments"
2803
2804	config MIPS_CMDLINE_FROM_BOOTLOADER
2805		bool "Bootloader kernel arguments if available"
2806endchoice
2807
2808endmenu
2809
2810config LOCKDEP_SUPPORT
2811	bool
2812	default y
2813
2814config STACKTRACE_SUPPORT
2815	bool
2816	default y
2817
2818config HAVE_LATENCYTOP_SUPPORT
2819	bool
2820	default y
2821
2822config PGTABLE_LEVELS
2823	int
2824	default 3 if 64BIT && !PAGE_SIZE_64KB
2825	default 2
2826
2827source "init/Kconfig"
2828
2829source "kernel/Kconfig.freezer"
2830
2831menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2832
2833config HW_HAS_EISA
2834	bool
2835config HW_HAS_PCI
2836	bool
2837
2838config PCI
2839	bool "Support for PCI controller"
2840	depends on HW_HAS_PCI
2841	select PCI_DOMAINS
2842	select NO_GENERIC_PCI_IOPORT_MAP
2843	help
2844	  Find out whether you have a PCI motherboard. PCI is the name of a
2845	  bus system, i.e. the way the CPU talks to the other stuff inside
2846	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2847	  say Y, otherwise N.
2848
2849config HT_PCI
2850	bool "Support for HT-linked PCI"
2851	default y
2852	depends on CPU_LOONGSON3
2853	select PCI
2854	select PCI_DOMAINS
2855	help
2856	  Loongson family machines use Hyper-Transport bus for inter-core
2857	  connection and device connection. The PCI bus is a subordinate
2858	  linked at HT. Choose Y for Loongson-3 based machines.
2859
2860config PCI_DOMAINS
2861	bool
2862
2863source "drivers/pci/Kconfig"
2864
2865source "drivers/pci/pcie/Kconfig"
2866
2867#
2868# ISA support is now enabled via select.  Too many systems still have the one
2869# or other ISA chip on the board that users don't know about so don't expect
2870# users to choose the right thing ...
2871#
2872config ISA
2873	bool
2874
2875config EISA
2876	bool "EISA support"
2877	depends on HW_HAS_EISA
2878	select ISA
2879	select GENERIC_ISA_DMA
2880	---help---
2881	  The Extended Industry Standard Architecture (EISA) bus was
2882	  developed as an open alternative to the IBM MicroChannel bus.
2883
2884	  The EISA bus provided some of the features of the IBM MicroChannel
2885	  bus while maintaining backward compatibility with cards made for
2886	  the older ISA bus.  The EISA bus saw limited use between 1988 and
2887	  1995 when it was made obsolete by the PCI bus.
2888
2889	  Say Y here if you are building a kernel for an EISA-based machine.
2890
2891	  Otherwise, say N.
2892
2893source "drivers/eisa/Kconfig"
2894
2895config TC
2896	bool "TURBOchannel support"
2897	depends on MACH_DECSTATION
2898	help
2899	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2900	  processors.  TURBOchannel programming specifications are available
2901	  at:
2902	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2903	  and:
2904	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2905	  Linux driver support status is documented at:
2906	  <http://www.linux-mips.org/wiki/DECstation>
2907
2908config MMU
2909	bool
2910	default y
2911
2912config I8253
2913	bool
2914	select CLKSRC_I8253
2915	select CLKEVT_I8253
2916	select MIPS_EXTERNAL_TIMER
2917
2918config ZONE_DMA
2919	bool
2920
2921config ZONE_DMA32
2922	bool
2923
2924source "drivers/pcmcia/Kconfig"
2925
2926source "drivers/pci/hotplug/Kconfig"
2927
2928config RAPIDIO
2929	tristate "RapidIO support"
2930	depends on PCI
2931	default n
2932	help
2933	  If you say Y here, the kernel will include drivers and
2934	  infrastructure code to support RapidIO interconnect devices.
2935
2936source "drivers/rapidio/Kconfig"
2937
2938endmenu
2939
2940menu "Executable file formats"
2941
2942source "fs/Kconfig.binfmt"
2943
2944config TRAD_SIGNALS
2945	bool
2946
2947config MIPS32_COMPAT
2948	bool
2949
2950config COMPAT
2951	bool
2952
2953config SYSVIPC_COMPAT
2954	bool
2955
2956config MIPS32_O32
2957	bool "Kernel support for o32 binaries"
2958	depends on 64BIT
2959	select ARCH_WANT_OLD_COMPAT_IPC
2960	select COMPAT
2961	select MIPS32_COMPAT
2962	select SYSVIPC_COMPAT if SYSVIPC
2963	help
2964	  Select this option if you want to run o32 binaries.  These are pure
2965	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
2966	  existing binaries are in this format.
2967
2968	  If unsure, say Y.
2969
2970config MIPS32_N32
2971	bool "Kernel support for n32 binaries"
2972	depends on 64BIT
2973	select COMPAT
2974	select MIPS32_COMPAT
2975	select SYSVIPC_COMPAT if SYSVIPC
2976	help
2977	  Select this option if you want to run n32 binaries.  These are
2978	  64-bit binaries using 32-bit quantities for addressing and certain
2979	  data that would normally be 64-bit.  They are used in special
2980	  cases.
2981
2982	  If unsure, say N.
2983
2984config BINFMT_ELF32
2985	bool
2986	default y if MIPS32_O32 || MIPS32_N32
2987
2988endmenu
2989
2990menu "Power management options"
2991
2992config ARCH_HIBERNATION_POSSIBLE
2993	def_bool y
2994	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2995
2996config ARCH_SUSPEND_POSSIBLE
2997	def_bool y
2998	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2999
3000source "kernel/power/Kconfig"
3001
3002endmenu
3003
3004config MIPS_EXTERNAL_TIMER
3005	bool
3006
3007menu "CPU Power Management"
3008
3009if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3010source "drivers/cpufreq/Kconfig"
3011endif
3012
3013source "drivers/cpuidle/Kconfig"
3014
3015endmenu
3016
3017source "net/Kconfig"
3018
3019source "drivers/Kconfig"
3020
3021source "drivers/firmware/Kconfig"
3022
3023source "fs/Kconfig"
3024
3025source "arch/mips/Kconfig.debug"
3026
3027source "security/Kconfig"
3028
3029source "crypto/Kconfig"
3030
3031source "lib/Kconfig"
3032
3033source "arch/mips/kvm/Kconfig"
3034