xref: /linux/arch/mips/Kconfig (revision 6fbde6b492dfc761ad60a68fb2cb32b1eb05b786)
1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_32BIT_OFF_T if !64BIT
6	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7	select ARCH_CLOCKSOURCE_DATA
8	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
9	select ARCH_HAS_UBSAN_SANITIZE_ALL
10	select ARCH_HAS_FORTIFY_SOURCE
11	select ARCH_SUPPORTS_UPROBES
12	select ARCH_USE_BUILTIN_BSWAP
13	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
14	select ARCH_USE_QUEUED_RWLOCKS
15	select ARCH_USE_QUEUED_SPINLOCKS
16	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
17	select ARCH_WANT_IPC_PARSE_VERSION
18	select BUILDTIME_EXTABLE_SORT
19	select CLONE_BACKWARDS
20	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
21	select CPU_PM if CPU_IDLE
22	select GENERIC_ATOMIC64 if !64BIT
23	select GENERIC_CLOCKEVENTS
24	select GENERIC_CMOS_UPDATE
25	select GENERIC_CPU_AUTOPROBE
26	select GENERIC_GETTIMEOFDAY
27	select GENERIC_IOMAP
28	select GENERIC_IRQ_PROBE
29	select GENERIC_IRQ_SHOW
30	select GENERIC_ISA_DMA if EISA
31	select GENERIC_LIB_ASHLDI3
32	select GENERIC_LIB_ASHRDI3
33	select GENERIC_LIB_CMPDI2
34	select GENERIC_LIB_LSHRDI3
35	select GENERIC_LIB_UCMPDI2
36	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
37	select GENERIC_SMP_IDLE_THREAD
38	select GENERIC_TIME_VSYSCALL
39	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
40	select HANDLE_DOMAIN_IRQ
41	select HAVE_ARCH_COMPILER_H
42	select HAVE_ARCH_JUMP_LABEL
43	select HAVE_ARCH_KGDB
44	select HAVE_ARCH_MMAP_RND_BITS if MMU
45	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
46	select HAVE_ARCH_SECCOMP_FILTER
47	select HAVE_ARCH_TRACEHOOK
48	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
49	select HAVE_ASM_MODVERSIONS
50	select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
51	select HAVE_CONTEXT_TRACKING
52	select HAVE_COPY_THREAD_TLS
53	select HAVE_C_RECORDMCOUNT
54	select HAVE_DEBUG_KMEMLEAK
55	select HAVE_DEBUG_STACKOVERFLOW
56	select HAVE_DMA_CONTIGUOUS
57	select HAVE_DYNAMIC_FTRACE
58	select HAVE_EXIT_THREAD
59	select HAVE_FAST_GUP
60	select HAVE_FTRACE_MCOUNT_RECORD
61	select HAVE_FUNCTION_GRAPH_TRACER
62	select HAVE_FUNCTION_TRACER
63	select HAVE_IDE
64	select HAVE_IOREMAP_PROT
65	select HAVE_IRQ_EXIT_ON_IRQ_STACK
66	select HAVE_IRQ_TIME_ACCOUNTING
67	select HAVE_KPROBES
68	select HAVE_KRETPROBES
69	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
70	select HAVE_MEMBLOCK_NODE_MAP
71	select HAVE_MOD_ARCH_SPECIFIC
72	select HAVE_NMI
73	select HAVE_OPROFILE
74	select HAVE_PERF_EVENTS
75	select HAVE_REGS_AND_STACK_ACCESS_API
76	select HAVE_RSEQ
77	select HAVE_STACKPROTECTOR
78	select HAVE_SYSCALL_TRACEPOINTS
79	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
80	select HAVE_GENERIC_VDSO
81	select IRQ_FORCED_THREADING
82	select ISA if EISA
83	select MODULES_USE_ELF_RELA if MODULES && 64BIT
84	select MODULES_USE_ELF_REL if MODULES
85	select PERF_USE_VMALLOC
86	select RTC_LIB
87	select SYSCTL_EXCEPTION_TRACE
88	select VIRT_TO_BUS
89	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
90
91menu "Machine selection"
92
93choice
94	prompt "System type"
95	default MIPS_GENERIC
96
97config MIPS_GENERIC
98	bool "Generic board-agnostic MIPS kernel"
99	select BOOT_RAW
100	select BUILTIN_DTB
101	select CEVT_R4K
102	select CLKSRC_MIPS_GIC
103	select COMMON_CLK
104	select CPU_MIPSR2_IRQ_VI
105	select CPU_MIPSR2_IRQ_EI
106	select CSRC_R4K
107	select DMA_PERDEV_COHERENT
108	select HAVE_PCI
109	select IRQ_MIPS_CPU
110	select LIBFDT
111	select MIPS_AUTO_PFN_OFFSET
112	select MIPS_CPU_SCACHE
113	select MIPS_GIC
114	select MIPS_L1_CACHE_SHIFT_7
115	select NO_EXCEPT_FILL
116	select PCI_DRIVERS_GENERIC
117	select PINCTRL
118	select SMP_UP if SMP
119	select SWAP_IO_SPACE
120	select SYS_HAS_CPU_MIPS32_R1
121	select SYS_HAS_CPU_MIPS32_R2
122	select SYS_HAS_CPU_MIPS32_R6
123	select SYS_HAS_CPU_MIPS64_R1
124	select SYS_HAS_CPU_MIPS64_R2
125	select SYS_HAS_CPU_MIPS64_R6
126	select SYS_SUPPORTS_32BIT_KERNEL
127	select SYS_SUPPORTS_64BIT_KERNEL
128	select SYS_SUPPORTS_BIG_ENDIAN
129	select SYS_SUPPORTS_HIGHMEM
130	select SYS_SUPPORTS_LITTLE_ENDIAN
131	select SYS_SUPPORTS_MICROMIPS
132	select SYS_SUPPORTS_MIPS_CPS
133	select SYS_SUPPORTS_MIPS16
134	select SYS_SUPPORTS_MULTITHREADING
135	select SYS_SUPPORTS_RELOCATABLE
136	select SYS_SUPPORTS_SMARTMIPS
137	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
138	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
139	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
140	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
141	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
142	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
143	select USE_OF
144	select UHI_BOOT
145	help
146	  Select this to build a kernel which aims to support multiple boards,
147	  generally using a flattened device tree passed from the bootloader
148	  using the boot protocol defined in the UHI (Unified Hosting
149	  Interface) specification.
150
151config MIPS_ALCHEMY
152	bool "Alchemy processor based machines"
153	select PHYS_ADDR_T_64BIT
154	select CEVT_R4K
155	select CSRC_R4K
156	select IRQ_MIPS_CPU
157	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
158	select SYS_HAS_CPU_MIPS32_R1
159	select SYS_SUPPORTS_32BIT_KERNEL
160	select SYS_SUPPORTS_APM_EMULATION
161	select GPIOLIB
162	select SYS_SUPPORTS_ZBOOT
163	select COMMON_CLK
164
165config AR7
166	bool "Texas Instruments AR7"
167	select BOOT_ELF32
168	select DMA_NONCOHERENT
169	select CEVT_R4K
170	select CSRC_R4K
171	select IRQ_MIPS_CPU
172	select NO_EXCEPT_FILL
173	select SWAP_IO_SPACE
174	select SYS_HAS_CPU_MIPS32_R1
175	select SYS_HAS_EARLY_PRINTK
176	select SYS_SUPPORTS_32BIT_KERNEL
177	select SYS_SUPPORTS_LITTLE_ENDIAN
178	select SYS_SUPPORTS_MIPS16
179	select SYS_SUPPORTS_ZBOOT_UART16550
180	select GPIOLIB
181	select VLYNQ
182	select HAVE_CLK
183	help
184	  Support for the Texas Instruments AR7 System-on-a-Chip
185	  family: TNETD7100, 7200 and 7300.
186
187config ATH25
188	bool "Atheros AR231x/AR531x SoC support"
189	select CEVT_R4K
190	select CSRC_R4K
191	select DMA_NONCOHERENT
192	select IRQ_MIPS_CPU
193	select IRQ_DOMAIN
194	select SYS_HAS_CPU_MIPS32_R1
195	select SYS_SUPPORTS_BIG_ENDIAN
196	select SYS_SUPPORTS_32BIT_KERNEL
197	select SYS_HAS_EARLY_PRINTK
198	help
199	  Support for Atheros AR231x and Atheros AR531x based boards
200
201config ATH79
202	bool "Atheros AR71XX/AR724X/AR913X based boards"
203	select ARCH_HAS_RESET_CONTROLLER
204	select BOOT_RAW
205	select CEVT_R4K
206	select CSRC_R4K
207	select DMA_NONCOHERENT
208	select GPIOLIB
209	select PINCTRL
210	select HAVE_CLK
211	select COMMON_CLK
212	select CLKDEV_LOOKUP
213	select IRQ_MIPS_CPU
214	select SYS_HAS_CPU_MIPS32_R2
215	select SYS_HAS_EARLY_PRINTK
216	select SYS_SUPPORTS_32BIT_KERNEL
217	select SYS_SUPPORTS_BIG_ENDIAN
218	select SYS_SUPPORTS_MIPS16
219	select SYS_SUPPORTS_ZBOOT_UART_PROM
220	select USE_OF
221	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
222	help
223	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
224
225config BMIPS_GENERIC
226	bool "Broadcom Generic BMIPS kernel"
227	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
228	select ARCH_HAS_PHYS_TO_DMA
229	select BOOT_RAW
230	select NO_EXCEPT_FILL
231	select USE_OF
232	select CEVT_R4K
233	select CSRC_R4K
234	select SYNC_R4K
235	select COMMON_CLK
236	select BCM6345_L1_IRQ
237	select BCM7038_L1_IRQ
238	select BCM7120_L2_IRQ
239	select BRCMSTB_L2_IRQ
240	select IRQ_MIPS_CPU
241	select DMA_NONCOHERENT
242	select SYS_SUPPORTS_32BIT_KERNEL
243	select SYS_SUPPORTS_LITTLE_ENDIAN
244	select SYS_SUPPORTS_BIG_ENDIAN
245	select SYS_SUPPORTS_HIGHMEM
246	select SYS_HAS_CPU_BMIPS32_3300
247	select SYS_HAS_CPU_BMIPS4350
248	select SYS_HAS_CPU_BMIPS4380
249	select SYS_HAS_CPU_BMIPS5000
250	select SWAP_IO_SPACE
251	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
252	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
253	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
254	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
255	select HARDIRQS_SW_RESEND
256	help
257	  Build a generic DT-based kernel image that boots on select
258	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
259	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
260	  must be set appropriately for your board.
261
262config BCM47XX
263	bool "Broadcom BCM47XX based boards"
264	select BOOT_RAW
265	select CEVT_R4K
266	select CSRC_R4K
267	select DMA_NONCOHERENT
268	select HAVE_PCI
269	select IRQ_MIPS_CPU
270	select SYS_HAS_CPU_MIPS32_R1
271	select NO_EXCEPT_FILL
272	select SYS_SUPPORTS_32BIT_KERNEL
273	select SYS_SUPPORTS_LITTLE_ENDIAN
274	select SYS_SUPPORTS_MIPS16
275	select SYS_SUPPORTS_ZBOOT
276	select SYS_HAS_EARLY_PRINTK
277	select USE_GENERIC_EARLY_PRINTK_8250
278	select GPIOLIB
279	select LEDS_GPIO_REGISTER
280	select BCM47XX_NVRAM
281	select BCM47XX_SPROM
282	select BCM47XX_SSB if !BCM47XX_BCMA
283	help
284	  Support for BCM47XX based boards
285
286config BCM63XX
287	bool "Broadcom BCM63XX based boards"
288	select BOOT_RAW
289	select CEVT_R4K
290	select CSRC_R4K
291	select SYNC_R4K
292	select DMA_NONCOHERENT
293	select IRQ_MIPS_CPU
294	select SYS_SUPPORTS_32BIT_KERNEL
295	select SYS_SUPPORTS_BIG_ENDIAN
296	select SYS_HAS_EARLY_PRINTK
297	select SWAP_IO_SPACE
298	select GPIOLIB
299	select HAVE_CLK
300	select MIPS_L1_CACHE_SHIFT_4
301	select CLKDEV_LOOKUP
302	help
303	  Support for BCM63XX based boards
304
305config MIPS_COBALT
306	bool "Cobalt Server"
307	select CEVT_R4K
308	select CSRC_R4K
309	select CEVT_GT641XX
310	select DMA_NONCOHERENT
311	select FORCE_PCI
312	select I8253
313	select I8259
314	select IRQ_MIPS_CPU
315	select IRQ_GT641XX
316	select PCI_GT64XXX_PCI0
317	select SYS_HAS_CPU_NEVADA
318	select SYS_HAS_EARLY_PRINTK
319	select SYS_SUPPORTS_32BIT_KERNEL
320	select SYS_SUPPORTS_64BIT_KERNEL
321	select SYS_SUPPORTS_LITTLE_ENDIAN
322	select USE_GENERIC_EARLY_PRINTK_8250
323
324config MACH_DECSTATION
325	bool "DECstations"
326	select BOOT_ELF32
327	select CEVT_DS1287
328	select CEVT_R4K if CPU_R4X00
329	select CSRC_IOASIC
330	select CSRC_R4K if CPU_R4X00
331	select CPU_DADDI_WORKAROUNDS if 64BIT
332	select CPU_R4000_WORKAROUNDS if 64BIT
333	select CPU_R4400_WORKAROUNDS if 64BIT
334	select DMA_NONCOHERENT
335	select NO_IOPORT_MAP
336	select IRQ_MIPS_CPU
337	select SYS_HAS_CPU_R3000
338	select SYS_HAS_CPU_R4X00
339	select SYS_SUPPORTS_32BIT_KERNEL
340	select SYS_SUPPORTS_64BIT_KERNEL
341	select SYS_SUPPORTS_LITTLE_ENDIAN
342	select SYS_SUPPORTS_128HZ
343	select SYS_SUPPORTS_256HZ
344	select SYS_SUPPORTS_1024HZ
345	select MIPS_L1_CACHE_SHIFT_4
346	help
347	  This enables support for DEC's MIPS based workstations.  For details
348	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
349	  DECstation porting pages on <http://decstation.unix-ag.org/>.
350
351	  If you have one of the following DECstation Models you definitely
352	  want to choose R4xx0 for the CPU Type:
353
354		DECstation 5000/50
355		DECstation 5000/150
356		DECstation 5000/260
357		DECsystem 5900/260
358
359	  otherwise choose R3000.
360
361config MACH_JAZZ
362	bool "Jazz family of machines"
363	select ARC_MEMORY
364	select ARC_PROMLIB
365	select ARCH_MIGHT_HAVE_PC_PARPORT
366	select ARCH_MIGHT_HAVE_PC_SERIO
367	select FW_ARC
368	select FW_ARC32
369	select ARCH_MAY_HAVE_PC_FDC
370	select CEVT_R4K
371	select CSRC_R4K
372	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
373	select GENERIC_ISA_DMA
374	select HAVE_PCSPKR_PLATFORM
375	select IRQ_MIPS_CPU
376	select I8253
377	select I8259
378	select ISA
379	select SYS_HAS_CPU_R4X00
380	select SYS_SUPPORTS_32BIT_KERNEL
381	select SYS_SUPPORTS_64BIT_KERNEL
382	select SYS_SUPPORTS_100HZ
383	help
384	  This a family of machines based on the MIPS R4030 chipset which was
385	  used by several vendors to build RISC/os and Windows NT workstations.
386	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
387	  Olivetti M700-10 workstations.
388
389config MACH_INGENIC
390	bool "Ingenic SoC based machines"
391	select SYS_SUPPORTS_32BIT_KERNEL
392	select SYS_SUPPORTS_LITTLE_ENDIAN
393	select SYS_SUPPORTS_ZBOOT_UART16550
394	select CPU_SUPPORTS_HUGEPAGES
395	select DMA_NONCOHERENT
396	select IRQ_MIPS_CPU
397	select PINCTRL
398	select GPIOLIB
399	select COMMON_CLK
400	select GENERIC_IRQ_CHIP
401	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
402	select USE_OF
403	select LIBFDT
404
405config LANTIQ
406	bool "Lantiq based platforms"
407	select DMA_NONCOHERENT
408	select IRQ_MIPS_CPU
409	select CEVT_R4K
410	select CSRC_R4K
411	select SYS_HAS_CPU_MIPS32_R1
412	select SYS_HAS_CPU_MIPS32_R2
413	select SYS_SUPPORTS_BIG_ENDIAN
414	select SYS_SUPPORTS_32BIT_KERNEL
415	select SYS_SUPPORTS_MIPS16
416	select SYS_SUPPORTS_MULTITHREADING
417	select SYS_SUPPORTS_VPE_LOADER
418	select SYS_HAS_EARLY_PRINTK
419	select GPIOLIB
420	select SWAP_IO_SPACE
421	select BOOT_RAW
422	select CLKDEV_LOOKUP
423	select USE_OF
424	select PINCTRL
425	select PINCTRL_LANTIQ
426	select ARCH_HAS_RESET_CONTROLLER
427	select RESET_CONTROLLER
428
429config LASAT
430	bool "LASAT Networks platforms"
431	select CEVT_R4K
432	select CRC32
433	select CSRC_R4K
434	select DMA_NONCOHERENT
435	select SYS_HAS_EARLY_PRINTK
436	select HAVE_PCI
437	select IRQ_MIPS_CPU
438	select PCI_GT64XXX_PCI0
439	select MIPS_NILE4
440	select R5000_CPU_SCACHE
441	select SYS_HAS_CPU_R5000
442	select SYS_SUPPORTS_32BIT_KERNEL
443	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
444	select SYS_SUPPORTS_LITTLE_ENDIAN
445
446config MACH_LOONGSON32
447	bool "Loongson-1 family of machines"
448	select SYS_SUPPORTS_ZBOOT
449	help
450	  This enables support for the Loongson-1 family of machines.
451
452	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
453	  the Institute of Computing Technology (ICT), Chinese Academy of
454	  Sciences (CAS).
455
456config MACH_LOONGSON2EF
457	bool "Loongson-2E/F family of machines"
458	select SYS_SUPPORTS_ZBOOT
459	help
460	  This enables the support of early Loongson-2E/F family of machines.
461
462config MACH_LOONGSON64
463	bool "Loongson-2/3 GSx64 family of machines"
464	select ARCH_SPARSEMEM_ENABLE
465	select ARCH_MIGHT_HAVE_PC_PARPORT
466	select ARCH_MIGHT_HAVE_PC_SERIO
467	select GENERIC_ISA_DMA_SUPPORT_BROKEN
468	select BOOT_ELF32
469	select BOARD_SCACHE
470	select CSRC_R4K
471	select CEVT_R4K
472	select CPU_HAS_WB
473	select FORCE_PCI
474	select ISA
475	select I8259
476	select IRQ_MIPS_CPU
477	select NR_CPUS_DEFAULT_4
478	select USE_GENERIC_EARLY_PRINTK_8250
479	select SYS_HAS_CPU_LOONGSON64
480	select SYS_HAS_EARLY_PRINTK
481	select SYS_SUPPORTS_SMP
482	select SYS_SUPPORTS_HOTPLUG_CPU
483	select SYS_SUPPORTS_NUMA
484	select SYS_SUPPORTS_64BIT_KERNEL
485	select SYS_SUPPORTS_HIGHMEM
486	select SYS_SUPPORTS_LITTLE_ENDIAN
487	select SYS_SUPPORTS_ZBOOT
488	select LOONGSON_MC146818
489	select ZONE_DMA32
490	select NUMA
491	help
492	  This enables the support of Loongson-2/3 family of processors with
493	  GSx64 microarchitecture.
494
495config MACH_PISTACHIO
496	bool "IMG Pistachio SoC based boards"
497	select BOOT_ELF32
498	select BOOT_RAW
499	select CEVT_R4K
500	select CLKSRC_MIPS_GIC
501	select COMMON_CLK
502	select CSRC_R4K
503	select DMA_NONCOHERENT
504	select GPIOLIB
505	select IRQ_MIPS_CPU
506	select LIBFDT
507	select MFD_SYSCON
508	select MIPS_CPU_SCACHE
509	select MIPS_GIC
510	select PINCTRL
511	select REGULATOR
512	select SYS_HAS_CPU_MIPS32_R2
513	select SYS_SUPPORTS_32BIT_KERNEL
514	select SYS_SUPPORTS_LITTLE_ENDIAN
515	select SYS_SUPPORTS_MIPS_CPS
516	select SYS_SUPPORTS_MULTITHREADING
517	select SYS_SUPPORTS_RELOCATABLE
518	select SYS_SUPPORTS_ZBOOT
519	select SYS_HAS_EARLY_PRINTK
520	select USE_GENERIC_EARLY_PRINTK_8250
521	select USE_OF
522	help
523	  This enables support for the IMG Pistachio SoC platform.
524
525config MIPS_MALTA
526	bool "MIPS Malta board"
527	select ARCH_MAY_HAVE_PC_FDC
528	select ARCH_MIGHT_HAVE_PC_PARPORT
529	select ARCH_MIGHT_HAVE_PC_SERIO
530	select BOOT_ELF32
531	select BOOT_RAW
532	select BUILTIN_DTB
533	select CEVT_R4K
534	select CLKSRC_MIPS_GIC
535	select COMMON_CLK
536	select CSRC_R4K
537	select DMA_MAYBE_COHERENT
538	select GENERIC_ISA_DMA
539	select HAVE_PCSPKR_PLATFORM
540	select HAVE_PCI
541	select I8253
542	select I8259
543	select IRQ_MIPS_CPU
544	select LIBFDT
545	select MIPS_BONITO64
546	select MIPS_CPU_SCACHE
547	select MIPS_GIC
548	select MIPS_L1_CACHE_SHIFT_6
549	select MIPS_MSC
550	select PCI_GT64XXX_PCI0
551	select SMP_UP if SMP
552	select SWAP_IO_SPACE
553	select SYS_HAS_CPU_MIPS32_R1
554	select SYS_HAS_CPU_MIPS32_R2
555	select SYS_HAS_CPU_MIPS32_R3_5
556	select SYS_HAS_CPU_MIPS32_R5
557	select SYS_HAS_CPU_MIPS32_R6
558	select SYS_HAS_CPU_MIPS64_R1
559	select SYS_HAS_CPU_MIPS64_R2
560	select SYS_HAS_CPU_MIPS64_R6
561	select SYS_HAS_CPU_NEVADA
562	select SYS_HAS_CPU_RM7000
563	select SYS_SUPPORTS_32BIT_KERNEL
564	select SYS_SUPPORTS_64BIT_KERNEL
565	select SYS_SUPPORTS_BIG_ENDIAN
566	select SYS_SUPPORTS_HIGHMEM
567	select SYS_SUPPORTS_LITTLE_ENDIAN
568	select SYS_SUPPORTS_MICROMIPS
569	select SYS_SUPPORTS_MIPS16
570	select SYS_SUPPORTS_MIPS_CMP
571	select SYS_SUPPORTS_MIPS_CPS
572	select SYS_SUPPORTS_MULTITHREADING
573	select SYS_SUPPORTS_RELOCATABLE
574	select SYS_SUPPORTS_SMARTMIPS
575	select SYS_SUPPORTS_VPE_LOADER
576	select SYS_SUPPORTS_ZBOOT
577	select USE_OF
578	select ZONE_DMA32 if 64BIT
579	help
580	  This enables support for the MIPS Technologies Malta evaluation
581	  board.
582
583config MACH_PIC32
584	bool "Microchip PIC32 Family"
585	help
586	  This enables support for the Microchip PIC32 family of platforms.
587
588	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
589	  microcontrollers.
590
591config NEC_MARKEINS
592	bool "NEC EMMA2RH Mark-eins board"
593	select SOC_EMMA2RH
594	select HAVE_PCI
595	help
596	  This enables support for the NEC Electronics Mark-eins boards.
597
598config MACH_VR41XX
599	bool "NEC VR4100 series based machines"
600	select CEVT_R4K
601	select CSRC_R4K
602	select SYS_HAS_CPU_VR41XX
603	select SYS_SUPPORTS_MIPS16
604	select GPIOLIB
605
606config NXP_STB220
607	bool "NXP STB220 board"
608	select SOC_PNX833X
609	help
610	  Support for NXP Semiconductors STB220 Development Board.
611
612config NXP_STB225
613	bool "NXP 225 board"
614	select SOC_PNX833X
615	select SOC_PNX8335
616	help
617	  Support for NXP Semiconductors STB225 Development Board.
618
619config PMC_MSP
620	bool "PMC-Sierra MSP chipsets"
621	select CEVT_R4K
622	select CSRC_R4K
623	select DMA_NONCOHERENT
624	select SWAP_IO_SPACE
625	select NO_EXCEPT_FILL
626	select BOOT_RAW
627	select SYS_HAS_CPU_MIPS32_R1
628	select SYS_HAS_CPU_MIPS32_R2
629	select SYS_SUPPORTS_32BIT_KERNEL
630	select SYS_SUPPORTS_BIG_ENDIAN
631	select SYS_SUPPORTS_MIPS16
632	select IRQ_MIPS_CPU
633	select SERIAL_8250
634	select SERIAL_8250_CONSOLE
635	select USB_EHCI_BIG_ENDIAN_MMIO
636	select USB_EHCI_BIG_ENDIAN_DESC
637	help
638	  This adds support for the PMC-Sierra family of Multi-Service
639	  Processor System-On-A-Chips.  These parts include a number
640	  of integrated peripherals, interfaces and DSPs in addition to
641	  a variety of MIPS cores.
642
643config RALINK
644	bool "Ralink based machines"
645	select CEVT_R4K
646	select CSRC_R4K
647	select BOOT_RAW
648	select DMA_NONCOHERENT
649	select IRQ_MIPS_CPU
650	select USE_OF
651	select SYS_HAS_CPU_MIPS32_R1
652	select SYS_HAS_CPU_MIPS32_R2
653	select SYS_SUPPORTS_32BIT_KERNEL
654	select SYS_SUPPORTS_LITTLE_ENDIAN
655	select SYS_SUPPORTS_MIPS16
656	select SYS_HAS_EARLY_PRINTK
657	select CLKDEV_LOOKUP
658	select ARCH_HAS_RESET_CONTROLLER
659	select RESET_CONTROLLER
660
661config SGI_IP22
662	bool "SGI IP22 (Indy/Indigo2)"
663	select ARC_MEMORY
664	select ARC_PROMLIB
665	select FW_ARC
666	select FW_ARC32
667	select ARCH_MIGHT_HAVE_PC_SERIO
668	select BOOT_ELF32
669	select CEVT_R4K
670	select CSRC_R4K
671	select DEFAULT_SGI_PARTITION
672	select DMA_NONCOHERENT
673	select HAVE_EISA
674	select I8253
675	select I8259
676	select IP22_CPU_SCACHE
677	select IRQ_MIPS_CPU
678	select GENERIC_ISA_DMA_SUPPORT_BROKEN
679	select SGI_HAS_I8042
680	select SGI_HAS_INDYDOG
681	select SGI_HAS_HAL2
682	select SGI_HAS_SEEQ
683	select SGI_HAS_WD93
684	select SGI_HAS_ZILOG
685	select SWAP_IO_SPACE
686	select SYS_HAS_CPU_R4X00
687	select SYS_HAS_CPU_R5000
688	select SYS_HAS_EARLY_PRINTK
689	select SYS_SUPPORTS_32BIT_KERNEL
690	select SYS_SUPPORTS_64BIT_KERNEL
691	select SYS_SUPPORTS_BIG_ENDIAN
692	select MIPS_L1_CACHE_SHIFT_7
693	help
694	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
695	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
696	  that runs on these, say Y here.
697
698config SGI_IP27
699	bool "SGI IP27 (Origin200/2000)"
700	select ARCH_HAS_PHYS_TO_DMA
701	select ARCH_SPARSEMEM_ENABLE
702	select FW_ARC
703	select FW_ARC64
704	select ARC_CMDLINE_ONLY
705	select BOOT_ELF64
706	select DEFAULT_SGI_PARTITION
707	select SYS_HAS_EARLY_PRINTK
708	select HAVE_PCI
709	select IRQ_MIPS_CPU
710	select IRQ_DOMAIN_HIERARCHY
711	select NR_CPUS_DEFAULT_64
712	select PCI_DRIVERS_GENERIC
713	select PCI_XTALK_BRIDGE
714	select SYS_HAS_CPU_R10000
715	select SYS_SUPPORTS_64BIT_KERNEL
716	select SYS_SUPPORTS_BIG_ENDIAN
717	select SYS_SUPPORTS_NUMA
718	select SYS_SUPPORTS_SMP
719	select MIPS_L1_CACHE_SHIFT_7
720	help
721	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
722	  workstations.  To compile a Linux kernel that runs on these, say Y
723	  here.
724
725config SGI_IP28
726	bool "SGI IP28 (Indigo2 R10k)"
727	select ARC_MEMORY
728	select ARC_PROMLIB
729	select FW_ARC
730	select FW_ARC64
731	select ARCH_MIGHT_HAVE_PC_SERIO
732	select BOOT_ELF64
733	select CEVT_R4K
734	select CSRC_R4K
735	select DEFAULT_SGI_PARTITION
736	select DMA_NONCOHERENT
737	select GENERIC_ISA_DMA_SUPPORT_BROKEN
738	select IRQ_MIPS_CPU
739	select HAVE_EISA
740	select I8253
741	select I8259
742	select SGI_HAS_I8042
743	select SGI_HAS_INDYDOG
744	select SGI_HAS_HAL2
745	select SGI_HAS_SEEQ
746	select SGI_HAS_WD93
747	select SGI_HAS_ZILOG
748	select SWAP_IO_SPACE
749	select SYS_HAS_CPU_R10000
750	select SYS_HAS_EARLY_PRINTK
751	select SYS_SUPPORTS_64BIT_KERNEL
752	select SYS_SUPPORTS_BIG_ENDIAN
753	select MIPS_L1_CACHE_SHIFT_7
754	help
755	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
756	  kernel that runs on these, say Y here.
757
758config SGI_IP32
759	bool "SGI IP32 (O2)"
760	select ARC_MEMORY
761	select ARC_PROMLIB
762	select ARCH_HAS_PHYS_TO_DMA
763	select FW_ARC
764	select FW_ARC32
765	select BOOT_ELF32
766	select CEVT_R4K
767	select CSRC_R4K
768	select DMA_NONCOHERENT
769	select HAVE_PCI
770	select IRQ_MIPS_CPU
771	select R5000_CPU_SCACHE
772	select RM7000_CPU_SCACHE
773	select SYS_HAS_CPU_R5000
774	select SYS_HAS_CPU_R10000 if BROKEN
775	select SYS_HAS_CPU_RM7000
776	select SYS_HAS_CPU_NEVADA
777	select SYS_SUPPORTS_64BIT_KERNEL
778	select SYS_SUPPORTS_BIG_ENDIAN
779	help
780	  If you want this kernel to run on SGI O2 workstation, say Y here.
781
782config SIBYTE_CRHINE
783	bool "Sibyte BCM91120C-CRhine"
784	select BOOT_ELF32
785	select SIBYTE_BCM1120
786	select SWAP_IO_SPACE
787	select SYS_HAS_CPU_SB1
788	select SYS_SUPPORTS_BIG_ENDIAN
789	select SYS_SUPPORTS_LITTLE_ENDIAN
790
791config SIBYTE_CARMEL
792	bool "Sibyte BCM91120x-Carmel"
793	select BOOT_ELF32
794	select SIBYTE_BCM1120
795	select SWAP_IO_SPACE
796	select SYS_HAS_CPU_SB1
797	select SYS_SUPPORTS_BIG_ENDIAN
798	select SYS_SUPPORTS_LITTLE_ENDIAN
799
800config SIBYTE_CRHONE
801	bool "Sibyte BCM91125C-CRhone"
802	select BOOT_ELF32
803	select SIBYTE_BCM1125
804	select SWAP_IO_SPACE
805	select SYS_HAS_CPU_SB1
806	select SYS_SUPPORTS_BIG_ENDIAN
807	select SYS_SUPPORTS_HIGHMEM
808	select SYS_SUPPORTS_LITTLE_ENDIAN
809
810config SIBYTE_RHONE
811	bool "Sibyte BCM91125E-Rhone"
812	select BOOT_ELF32
813	select SIBYTE_BCM1125H
814	select SWAP_IO_SPACE
815	select SYS_HAS_CPU_SB1
816	select SYS_SUPPORTS_BIG_ENDIAN
817	select SYS_SUPPORTS_LITTLE_ENDIAN
818
819config SIBYTE_SWARM
820	bool "Sibyte BCM91250A-SWARM"
821	select BOOT_ELF32
822	select HAVE_PATA_PLATFORM
823	select SIBYTE_SB1250
824	select SWAP_IO_SPACE
825	select SYS_HAS_CPU_SB1
826	select SYS_SUPPORTS_BIG_ENDIAN
827	select SYS_SUPPORTS_HIGHMEM
828	select SYS_SUPPORTS_LITTLE_ENDIAN
829	select ZONE_DMA32 if 64BIT
830	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
831
832config SIBYTE_LITTLESUR
833	bool "Sibyte BCM91250C2-LittleSur"
834	select BOOT_ELF32
835	select HAVE_PATA_PLATFORM
836	select SIBYTE_SB1250
837	select SWAP_IO_SPACE
838	select SYS_HAS_CPU_SB1
839	select SYS_SUPPORTS_BIG_ENDIAN
840	select SYS_SUPPORTS_HIGHMEM
841	select SYS_SUPPORTS_LITTLE_ENDIAN
842	select ZONE_DMA32 if 64BIT
843
844config SIBYTE_SENTOSA
845	bool "Sibyte BCM91250E-Sentosa"
846	select BOOT_ELF32
847	select SIBYTE_SB1250
848	select SWAP_IO_SPACE
849	select SYS_HAS_CPU_SB1
850	select SYS_SUPPORTS_BIG_ENDIAN
851	select SYS_SUPPORTS_LITTLE_ENDIAN
852	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
853
854config SIBYTE_BIGSUR
855	bool "Sibyte BCM91480B-BigSur"
856	select BOOT_ELF32
857	select NR_CPUS_DEFAULT_4
858	select SIBYTE_BCM1x80
859	select SWAP_IO_SPACE
860	select SYS_HAS_CPU_SB1
861	select SYS_SUPPORTS_BIG_ENDIAN
862	select SYS_SUPPORTS_HIGHMEM
863	select SYS_SUPPORTS_LITTLE_ENDIAN
864	select ZONE_DMA32 if 64BIT
865	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
866
867config SNI_RM
868	bool "SNI RM200/300/400"
869	select ARC_MEMORY
870	select ARC_PROMLIB
871	select FW_ARC if CPU_LITTLE_ENDIAN
872	select FW_ARC32 if CPU_LITTLE_ENDIAN
873	select FW_SNIPROM if CPU_BIG_ENDIAN
874	select ARCH_MAY_HAVE_PC_FDC
875	select ARCH_MIGHT_HAVE_PC_PARPORT
876	select ARCH_MIGHT_HAVE_PC_SERIO
877	select BOOT_ELF32
878	select CEVT_R4K
879	select CSRC_R4K
880	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
881	select DMA_NONCOHERENT
882	select GENERIC_ISA_DMA
883	select HAVE_EISA
884	select HAVE_PCSPKR_PLATFORM
885	select HAVE_PCI
886	select IRQ_MIPS_CPU
887	select I8253
888	select I8259
889	select ISA
890	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
891	select SYS_HAS_CPU_R4X00
892	select SYS_HAS_CPU_R5000
893	select SYS_HAS_CPU_R10000
894	select R5000_CPU_SCACHE
895	select SYS_HAS_EARLY_PRINTK
896	select SYS_SUPPORTS_32BIT_KERNEL
897	select SYS_SUPPORTS_64BIT_KERNEL
898	select SYS_SUPPORTS_BIG_ENDIAN
899	select SYS_SUPPORTS_HIGHMEM
900	select SYS_SUPPORTS_LITTLE_ENDIAN
901	help
902	  The SNI RM200/300/400 are MIPS-based machines manufactured by
903	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
904	  Technology and now in turn merged with Fujitsu.  Say Y here to
905	  support this machine type.
906
907config MACH_TX39XX
908	bool "Toshiba TX39 series based machines"
909
910config MACH_TX49XX
911	bool "Toshiba TX49 series based machines"
912
913config MIKROTIK_RB532
914	bool "Mikrotik RB532 boards"
915	select CEVT_R4K
916	select CSRC_R4K
917	select DMA_NONCOHERENT
918	select HAVE_PCI
919	select IRQ_MIPS_CPU
920	select SYS_HAS_CPU_MIPS32_R1
921	select SYS_SUPPORTS_32BIT_KERNEL
922	select SYS_SUPPORTS_LITTLE_ENDIAN
923	select SWAP_IO_SPACE
924	select BOOT_RAW
925	select GPIOLIB
926	select MIPS_L1_CACHE_SHIFT_4
927	help
928	  Support the Mikrotik(tm) RouterBoard 532 series,
929	  based on the IDT RC32434 SoC.
930
931config CAVIUM_OCTEON_SOC
932	bool "Cavium Networks Octeon SoC based boards"
933	select CEVT_R4K
934	select ARCH_HAS_PHYS_TO_DMA
935	select HAVE_RAPIDIO
936	select PHYS_ADDR_T_64BIT
937	select SYS_SUPPORTS_64BIT_KERNEL
938	select SYS_SUPPORTS_BIG_ENDIAN
939	select EDAC_SUPPORT
940	select EDAC_ATOMIC_SCRUB
941	select SYS_SUPPORTS_LITTLE_ENDIAN
942	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
943	select SYS_HAS_EARLY_PRINTK
944	select SYS_HAS_CPU_CAVIUM_OCTEON
945	select HAVE_PCI
946	select ZONE_DMA32
947	select HOLES_IN_ZONE
948	select GPIOLIB
949	select LIBFDT
950	select USE_OF
951	select ARCH_SPARSEMEM_ENABLE
952	select SYS_SUPPORTS_SMP
953	select NR_CPUS_DEFAULT_64
954	select MIPS_NR_CPU_NR_MAP_1024
955	select BUILTIN_DTB
956	select MTD_COMPLEX_MAPPINGS
957	select SWIOTLB
958	select SYS_SUPPORTS_RELOCATABLE
959	help
960	  This option supports all of the Octeon reference boards from Cavium
961	  Networks. It builds a kernel that dynamically determines the Octeon
962	  CPU type and supports all known board reference implementations.
963	  Some of the supported boards are:
964		EBT3000
965		EBH3000
966		EBH3100
967		Thunder
968		Kodama
969		Hikari
970	  Say Y here for most Octeon reference boards.
971
972config NLM_XLR_BOARD
973	bool "Netlogic XLR/XLS based systems"
974	select BOOT_ELF32
975	select NLM_COMMON
976	select SYS_HAS_CPU_XLR
977	select SYS_SUPPORTS_SMP
978	select HAVE_PCI
979	select SWAP_IO_SPACE
980	select SYS_SUPPORTS_32BIT_KERNEL
981	select SYS_SUPPORTS_64BIT_KERNEL
982	select PHYS_ADDR_T_64BIT
983	select SYS_SUPPORTS_BIG_ENDIAN
984	select SYS_SUPPORTS_HIGHMEM
985	select NR_CPUS_DEFAULT_32
986	select CEVT_R4K
987	select CSRC_R4K
988	select IRQ_MIPS_CPU
989	select ZONE_DMA32 if 64BIT
990	select SYNC_R4K
991	select SYS_HAS_EARLY_PRINTK
992	select SYS_SUPPORTS_ZBOOT
993	select SYS_SUPPORTS_ZBOOT_UART16550
994	help
995	  Support for systems based on Netlogic XLR and XLS processors.
996	  Say Y here if you have a XLR or XLS based board.
997
998config NLM_XLP_BOARD
999	bool "Netlogic XLP based systems"
1000	select BOOT_ELF32
1001	select NLM_COMMON
1002	select SYS_HAS_CPU_XLP
1003	select SYS_SUPPORTS_SMP
1004	select HAVE_PCI
1005	select SYS_SUPPORTS_32BIT_KERNEL
1006	select SYS_SUPPORTS_64BIT_KERNEL
1007	select PHYS_ADDR_T_64BIT
1008	select GPIOLIB
1009	select SYS_SUPPORTS_BIG_ENDIAN
1010	select SYS_SUPPORTS_LITTLE_ENDIAN
1011	select SYS_SUPPORTS_HIGHMEM
1012	select NR_CPUS_DEFAULT_32
1013	select CEVT_R4K
1014	select CSRC_R4K
1015	select IRQ_MIPS_CPU
1016	select ZONE_DMA32 if 64BIT
1017	select SYNC_R4K
1018	select SYS_HAS_EARLY_PRINTK
1019	select USE_OF
1020	select SYS_SUPPORTS_ZBOOT
1021	select SYS_SUPPORTS_ZBOOT_UART16550
1022	help
1023	  This board is based on Netlogic XLP Processor.
1024	  Say Y here if you have a XLP based board.
1025
1026config MIPS_PARAVIRT
1027	bool "Para-Virtualized guest system"
1028	select CEVT_R4K
1029	select CSRC_R4K
1030	select SYS_SUPPORTS_64BIT_KERNEL
1031	select SYS_SUPPORTS_32BIT_KERNEL
1032	select SYS_SUPPORTS_BIG_ENDIAN
1033	select SYS_SUPPORTS_SMP
1034	select NR_CPUS_DEFAULT_4
1035	select SYS_HAS_EARLY_PRINTK
1036	select SYS_HAS_CPU_MIPS32_R2
1037	select SYS_HAS_CPU_MIPS64_R2
1038	select SYS_HAS_CPU_CAVIUM_OCTEON
1039	select HAVE_PCI
1040	select SWAP_IO_SPACE
1041	help
1042	  This option supports guest running under ????
1043
1044endchoice
1045
1046source "arch/mips/alchemy/Kconfig"
1047source "arch/mips/ath25/Kconfig"
1048source "arch/mips/ath79/Kconfig"
1049source "arch/mips/bcm47xx/Kconfig"
1050source "arch/mips/bcm63xx/Kconfig"
1051source "arch/mips/bmips/Kconfig"
1052source "arch/mips/generic/Kconfig"
1053source "arch/mips/jazz/Kconfig"
1054source "arch/mips/jz4740/Kconfig"
1055source "arch/mips/lantiq/Kconfig"
1056source "arch/mips/lasat/Kconfig"
1057source "arch/mips/pic32/Kconfig"
1058source "arch/mips/pistachio/Kconfig"
1059source "arch/mips/pmcs-msp71xx/Kconfig"
1060source "arch/mips/ralink/Kconfig"
1061source "arch/mips/sgi-ip27/Kconfig"
1062source "arch/mips/sibyte/Kconfig"
1063source "arch/mips/txx9/Kconfig"
1064source "arch/mips/vr41xx/Kconfig"
1065source "arch/mips/cavium-octeon/Kconfig"
1066source "arch/mips/loongson2ef/Kconfig"
1067source "arch/mips/loongson32/Kconfig"
1068source "arch/mips/loongson64/Kconfig"
1069source "arch/mips/netlogic/Kconfig"
1070source "arch/mips/paravirt/Kconfig"
1071
1072endmenu
1073
1074config GENERIC_HWEIGHT
1075	bool
1076	default y
1077
1078config GENERIC_CALIBRATE_DELAY
1079	bool
1080	default y
1081
1082config SCHED_OMIT_FRAME_POINTER
1083	bool
1084	default y
1085
1086#
1087# Select some configuration options automatically based on user selections.
1088#
1089config FW_ARC
1090	bool
1091
1092config ARCH_MAY_HAVE_PC_FDC
1093	bool
1094
1095config BOOT_RAW
1096	bool
1097
1098config CEVT_BCM1480
1099	bool
1100
1101config CEVT_DS1287
1102	bool
1103
1104config CEVT_GT641XX
1105	bool
1106
1107config CEVT_R4K
1108	bool
1109
1110config CEVT_SB1250
1111	bool
1112
1113config CEVT_TXX9
1114	bool
1115
1116config CSRC_BCM1480
1117	bool
1118
1119config CSRC_IOASIC
1120	bool
1121
1122config CSRC_R4K
1123	bool
1124
1125config CSRC_SB1250
1126	bool
1127
1128config MIPS_CLOCK_VSYSCALL
1129	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1130
1131config GPIO_TXX9
1132	select GPIOLIB
1133	bool
1134
1135config FW_CFE
1136	bool
1137
1138config ARCH_SUPPORTS_UPROBES
1139	bool
1140
1141config DMA_MAYBE_COHERENT
1142	select ARCH_HAS_DMA_COHERENCE_H
1143	select DMA_NONCOHERENT
1144	bool
1145
1146config DMA_PERDEV_COHERENT
1147	bool
1148	select ARCH_HAS_SETUP_DMA_OPS
1149	select DMA_NONCOHERENT
1150
1151config DMA_NONCOHERENT
1152	bool
1153	#
1154	# MIPS allows mixing "slightly different" Cacheability and Coherency
1155	# Attribute bits.  It is believed that the uncached access through
1156	# KSEG1 and the implementation specific "uncached accelerated" used
1157	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1158	# significant advantages.
1159	#
1160	select ARCH_HAS_DMA_WRITE_COMBINE
1161	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1162	select ARCH_HAS_UNCACHED_SEGMENT
1163	select NEED_DMA_MAP_STATE
1164	select ARCH_HAS_DMA_COHERENT_TO_PFN
1165	select DMA_NONCOHERENT_CACHE_SYNC
1166
1167config SYS_HAS_EARLY_PRINTK
1168	bool
1169
1170config SYS_SUPPORTS_HOTPLUG_CPU
1171	bool
1172
1173config MIPS_BONITO64
1174	bool
1175
1176config MIPS_MSC
1177	bool
1178
1179config MIPS_NILE4
1180	bool
1181
1182config SYNC_R4K
1183	bool
1184
1185config MIPS_MACHINE
1186	def_bool n
1187
1188config NO_IOPORT_MAP
1189	def_bool n
1190
1191config GENERIC_CSUM
1192	bool
1193	default y if !CPU_HAS_LOAD_STORE_LR
1194
1195config GENERIC_ISA_DMA
1196	bool
1197	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1198	select ISA_DMA_API
1199
1200config GENERIC_ISA_DMA_SUPPORT_BROKEN
1201	bool
1202	select GENERIC_ISA_DMA
1203
1204config ISA_DMA_API
1205	bool
1206
1207config HOLES_IN_ZONE
1208	bool
1209
1210config SYS_SUPPORTS_RELOCATABLE
1211	bool
1212	help
1213	  Selected if the platform supports relocating the kernel.
1214	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1215	  to allow access to command line and entropy sources.
1216
1217config MIPS_CBPF_JIT
1218	def_bool y
1219	depends on BPF_JIT && HAVE_CBPF_JIT
1220
1221config MIPS_EBPF_JIT
1222	def_bool y
1223	depends on BPF_JIT && HAVE_EBPF_JIT
1224
1225
1226#
1227# Endianness selection.  Sufficiently obscure so many users don't know what to
1228# answer,so we try hard to limit the available choices.  Also the use of a
1229# choice statement should be more obvious to the user.
1230#
1231choice
1232	prompt "Endianness selection"
1233	help
1234	  Some MIPS machines can be configured for either little or big endian
1235	  byte order. These modes require different kernels and a different
1236	  Linux distribution.  In general there is one preferred byteorder for a
1237	  particular system but some systems are just as commonly used in the
1238	  one or the other endianness.
1239
1240config CPU_BIG_ENDIAN
1241	bool "Big endian"
1242	depends on SYS_SUPPORTS_BIG_ENDIAN
1243
1244config CPU_LITTLE_ENDIAN
1245	bool "Little endian"
1246	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1247
1248endchoice
1249
1250config EXPORT_UASM
1251	bool
1252
1253config SYS_SUPPORTS_APM_EMULATION
1254	bool
1255
1256config SYS_SUPPORTS_BIG_ENDIAN
1257	bool
1258
1259config SYS_SUPPORTS_LITTLE_ENDIAN
1260	bool
1261
1262config SYS_SUPPORTS_HUGETLBFS
1263	bool
1264	depends on CPU_SUPPORTS_HUGEPAGES
1265	default y
1266
1267config MIPS_HUGE_TLB_SUPPORT
1268	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1269
1270config IRQ_CPU_RM7K
1271	bool
1272
1273config IRQ_MSP_SLP
1274	bool
1275
1276config IRQ_MSP_CIC
1277	bool
1278
1279config IRQ_TXX9
1280	bool
1281
1282config IRQ_GT641XX
1283	bool
1284
1285config PCI_GT64XXX_PCI0
1286	bool
1287
1288config PCI_XTALK_BRIDGE
1289	bool
1290
1291config NO_EXCEPT_FILL
1292	bool
1293
1294config SOC_EMMA2RH
1295	bool
1296	select CEVT_R4K
1297	select CSRC_R4K
1298	select DMA_NONCOHERENT
1299	select IRQ_MIPS_CPU
1300	select SWAP_IO_SPACE
1301	select SYS_HAS_CPU_R5500
1302	select SYS_SUPPORTS_32BIT_KERNEL
1303	select SYS_SUPPORTS_64BIT_KERNEL
1304	select SYS_SUPPORTS_BIG_ENDIAN
1305
1306config SOC_PNX833X
1307	bool
1308	select CEVT_R4K
1309	select CSRC_R4K
1310	select IRQ_MIPS_CPU
1311	select DMA_NONCOHERENT
1312	select SYS_HAS_CPU_MIPS32_R2
1313	select SYS_SUPPORTS_32BIT_KERNEL
1314	select SYS_SUPPORTS_LITTLE_ENDIAN
1315	select SYS_SUPPORTS_BIG_ENDIAN
1316	select SYS_SUPPORTS_MIPS16
1317	select CPU_MIPSR2_IRQ_VI
1318
1319config SOC_PNX8335
1320	bool
1321	select SOC_PNX833X
1322
1323config MIPS_SPRAM
1324	bool
1325
1326config SWAP_IO_SPACE
1327	bool
1328
1329config SGI_HAS_INDYDOG
1330	bool
1331
1332config SGI_HAS_HAL2
1333	bool
1334
1335config SGI_HAS_SEEQ
1336	bool
1337
1338config SGI_HAS_WD93
1339	bool
1340
1341config SGI_HAS_ZILOG
1342	bool
1343
1344config SGI_HAS_I8042
1345	bool
1346
1347config DEFAULT_SGI_PARTITION
1348	bool
1349
1350config FW_ARC32
1351	bool
1352
1353config FW_SNIPROM
1354	bool
1355
1356config BOOT_ELF32
1357	bool
1358
1359config MIPS_L1_CACHE_SHIFT_4
1360	bool
1361
1362config MIPS_L1_CACHE_SHIFT_5
1363	bool
1364
1365config MIPS_L1_CACHE_SHIFT_6
1366	bool
1367
1368config MIPS_L1_CACHE_SHIFT_7
1369	bool
1370
1371config MIPS_L1_CACHE_SHIFT
1372	int
1373	default "7" if MIPS_L1_CACHE_SHIFT_7
1374	default "6" if MIPS_L1_CACHE_SHIFT_6
1375	default "5" if MIPS_L1_CACHE_SHIFT_5
1376	default "4" if MIPS_L1_CACHE_SHIFT_4
1377	default "5"
1378
1379config HAVE_STD_PC_SERIAL_PORT
1380	bool
1381
1382config ARC_CMDLINE_ONLY
1383	bool
1384
1385config ARC_CONSOLE
1386	bool "ARC console support"
1387	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1388
1389config ARC_MEMORY
1390	bool
1391
1392config ARC_PROMLIB
1393	bool
1394
1395config FW_ARC64
1396	bool
1397
1398config BOOT_ELF64
1399	bool
1400
1401menu "CPU selection"
1402
1403choice
1404	prompt "CPU type"
1405	default CPU_R4X00
1406
1407config CPU_LOONGSON64
1408	bool "Loongson GSx64 CPU"
1409	depends on SYS_HAS_CPU_LOONGSON64
1410	select ARCH_HAS_PHYS_TO_DMA
1411	select CPU_SUPPORTS_64BIT_KERNEL
1412	select CPU_SUPPORTS_HIGHMEM
1413	select CPU_SUPPORTS_HUGEPAGES
1414	select CPU_SUPPORTS_MSA
1415	select CPU_HAS_LOAD_STORE_LR
1416	select WEAK_ORDERING
1417	select WEAK_REORDERING_BEYOND_LLSC
1418	select MIPS_ASID_BITS_VARIABLE
1419	select MIPS_PGD_C0_CONTEXT
1420	select MIPS_L1_CACHE_SHIFT_6
1421	select GPIOLIB
1422	select SWIOTLB
1423	help
1424		The Loongson GSx64 series of processor cores implements the
1425		MIPS64R2 instruction set with many extensions.
1426
1427config LOONGSON64_ENHANCEMENT
1428	bool "New Loongson GSx64E CPU Enhancements"
1429	default n
1430	select CPU_MIPSR2
1431	select CPU_HAS_PREFETCH
1432	depends on CPU_LOONGSON64
1433	help
1434	  New Loongson GSx64E cores (since Loongson-3A R2, as opposed to Loongson-3A
1435	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1436	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1437	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1438	  Fast TLB refill support, etc.
1439
1440	  This option enable those enhancements which are not probed at run
1441	  time. If you want a generic kernel to run on all Loongson 3 machines,
1442	  please say 'N' here. If you want a high-performance kernel to run on
1443	  new Loongson 3 machines only, please say 'Y' here.
1444
1445config CPU_LOONGSON3_WORKAROUNDS
1446	bool "Old Loongson 3 LLSC Workarounds"
1447	default y if SMP
1448	depends on CPU_LOONGSON64
1449	help
1450	  Loongson 3 processors have the llsc issues which require workarounds.
1451	  Without workarounds the system may hang unexpectedly.
1452
1453	  Newer Loongson 3 will fix these issues and no workarounds are needed.
1454	  The workarounds have no significant side effect on them but may
1455	  decrease the performance of the system so this option should be
1456	  disabled unless the kernel is intended to be run on old systems.
1457
1458	  If unsure, please say Y.
1459
1460config CPU_LOONGSON2E
1461	bool "Loongson 2E"
1462	depends on SYS_HAS_CPU_LOONGSON2E
1463	select CPU_LOONGSON2EF
1464	help
1465	  The Loongson 2E processor implements the MIPS III instruction set
1466	  with many extensions.
1467
1468	  It has an internal FPGA northbridge, which is compatible to
1469	  bonito64.
1470
1471config CPU_LOONGSON2F
1472	bool "Loongson 2F"
1473	depends on SYS_HAS_CPU_LOONGSON2F
1474	select CPU_LOONGSON2EF
1475	select GPIOLIB
1476	help
1477	  The Loongson 2F processor implements the MIPS III instruction set
1478	  with many extensions.
1479
1480	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1481	  have a similar programming interface with FPGA northbridge used in
1482	  Loongson2E.
1483
1484config CPU_LOONGSON1B
1485	bool "Loongson 1B"
1486	depends on SYS_HAS_CPU_LOONGSON1B
1487	select CPU_LOONGSON1
1488	select LEDS_GPIO_REGISTER
1489	help
1490	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1491	  Release 1 instruction set and part of the MIPS32 Release 2
1492	  instruction set.
1493
1494config CPU_LOONGSON1C
1495	bool "Loongson 1C"
1496	depends on SYS_HAS_CPU_LOONGSON1C
1497	select CPU_LOONGSON1
1498	select LEDS_GPIO_REGISTER
1499	help
1500	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1501	  Release 1 instruction set and part of the MIPS32 Release 2
1502	  instruction set.
1503
1504config CPU_MIPS32_R1
1505	bool "MIPS32 Release 1"
1506	depends on SYS_HAS_CPU_MIPS32_R1
1507	select CPU_HAS_PREFETCH
1508	select CPU_HAS_LOAD_STORE_LR
1509	select CPU_SUPPORTS_32BIT_KERNEL
1510	select CPU_SUPPORTS_HIGHMEM
1511	help
1512	  Choose this option to build a kernel for release 1 or later of the
1513	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1514	  MIPS processor are based on a MIPS32 processor.  If you know the
1515	  specific type of processor in your system, choose those that one
1516	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1517	  Release 2 of the MIPS32 architecture is available since several
1518	  years so chances are you even have a MIPS32 Release 2 processor
1519	  in which case you should choose CPU_MIPS32_R2 instead for better
1520	  performance.
1521
1522config CPU_MIPS32_R2
1523	bool "MIPS32 Release 2"
1524	depends on SYS_HAS_CPU_MIPS32_R2
1525	select CPU_HAS_PREFETCH
1526	select CPU_HAS_LOAD_STORE_LR
1527	select CPU_SUPPORTS_32BIT_KERNEL
1528	select CPU_SUPPORTS_HIGHMEM
1529	select CPU_SUPPORTS_MSA
1530	select HAVE_KVM
1531	help
1532	  Choose this option to build a kernel for release 2 or later of the
1533	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1534	  MIPS processor are based on a MIPS32 processor.  If you know the
1535	  specific type of processor in your system, choose those that one
1536	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1537
1538config CPU_MIPS32_R6
1539	bool "MIPS32 Release 6"
1540	depends on SYS_HAS_CPU_MIPS32_R6
1541	select CPU_HAS_PREFETCH
1542	select CPU_SUPPORTS_32BIT_KERNEL
1543	select CPU_SUPPORTS_HIGHMEM
1544	select CPU_SUPPORTS_MSA
1545	select HAVE_KVM
1546	select MIPS_O32_FP64_SUPPORT
1547	help
1548	  Choose this option to build a kernel for release 6 or later of the
1549	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1550	  family, are based on a MIPS32r6 processor. If you own an older
1551	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1552
1553config CPU_MIPS64_R1
1554	bool "MIPS64 Release 1"
1555	depends on SYS_HAS_CPU_MIPS64_R1
1556	select CPU_HAS_PREFETCH
1557	select CPU_HAS_LOAD_STORE_LR
1558	select CPU_SUPPORTS_32BIT_KERNEL
1559	select CPU_SUPPORTS_64BIT_KERNEL
1560	select CPU_SUPPORTS_HIGHMEM
1561	select CPU_SUPPORTS_HUGEPAGES
1562	help
1563	  Choose this option to build a kernel for release 1 or later of the
1564	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1565	  MIPS processor are based on a MIPS64 processor.  If you know the
1566	  specific type of processor in your system, choose those that one
1567	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1568	  Release 2 of the MIPS64 architecture is available since several
1569	  years so chances are you even have a MIPS64 Release 2 processor
1570	  in which case you should choose CPU_MIPS64_R2 instead for better
1571	  performance.
1572
1573config CPU_MIPS64_R2
1574	bool "MIPS64 Release 2"
1575	depends on SYS_HAS_CPU_MIPS64_R2
1576	select CPU_HAS_PREFETCH
1577	select CPU_HAS_LOAD_STORE_LR
1578	select CPU_SUPPORTS_32BIT_KERNEL
1579	select CPU_SUPPORTS_64BIT_KERNEL
1580	select CPU_SUPPORTS_HIGHMEM
1581	select CPU_SUPPORTS_HUGEPAGES
1582	select CPU_SUPPORTS_MSA
1583	select HAVE_KVM
1584	help
1585	  Choose this option to build a kernel for release 2 or later of the
1586	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1587	  MIPS processor are based on a MIPS64 processor.  If you know the
1588	  specific type of processor in your system, choose those that one
1589	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1590
1591config CPU_MIPS64_R6
1592	bool "MIPS64 Release 6"
1593	depends on SYS_HAS_CPU_MIPS64_R6
1594	select CPU_HAS_PREFETCH
1595	select CPU_SUPPORTS_32BIT_KERNEL
1596	select CPU_SUPPORTS_64BIT_KERNEL
1597	select CPU_SUPPORTS_HIGHMEM
1598	select CPU_SUPPORTS_HUGEPAGES
1599	select CPU_SUPPORTS_MSA
1600	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1601	select HAVE_KVM
1602	help
1603	  Choose this option to build a kernel for release 6 or later of the
1604	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1605	  family, are based on a MIPS64r6 processor. If you own an older
1606	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1607
1608config CPU_R3000
1609	bool "R3000"
1610	depends on SYS_HAS_CPU_R3000
1611	select CPU_HAS_WB
1612	select CPU_HAS_LOAD_STORE_LR
1613	select CPU_R3K_TLB
1614	select CPU_SUPPORTS_32BIT_KERNEL
1615	select CPU_SUPPORTS_HIGHMEM
1616	help
1617	  Please make sure to pick the right CPU type. Linux/MIPS is not
1618	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1619	  *not* work on R4000 machines and vice versa.  However, since most
1620	  of the supported machines have an R4000 (or similar) CPU, R4x00
1621	  might be a safe bet.  If the resulting kernel does not work,
1622	  try to recompile with R3000.
1623
1624config CPU_TX39XX
1625	bool "R39XX"
1626	depends on SYS_HAS_CPU_TX39XX
1627	select CPU_SUPPORTS_32BIT_KERNEL
1628	select CPU_HAS_LOAD_STORE_LR
1629	select CPU_R3K_TLB
1630
1631config CPU_VR41XX
1632	bool "R41xx"
1633	depends on SYS_HAS_CPU_VR41XX
1634	select CPU_SUPPORTS_32BIT_KERNEL
1635	select CPU_SUPPORTS_64BIT_KERNEL
1636	select CPU_HAS_LOAD_STORE_LR
1637	help
1638	  The options selects support for the NEC VR4100 series of processors.
1639	  Only choose this option if you have one of these processors as a
1640	  kernel built with this option will not run on any other type of
1641	  processor or vice versa.
1642
1643config CPU_R4X00
1644	bool "R4x00"
1645	depends on SYS_HAS_CPU_R4X00
1646	select CPU_SUPPORTS_32BIT_KERNEL
1647	select CPU_SUPPORTS_64BIT_KERNEL
1648	select CPU_SUPPORTS_HUGEPAGES
1649	select CPU_HAS_LOAD_STORE_LR
1650	help
1651	  MIPS Technologies R4000-series processors other than 4300, including
1652	  the R4000, R4400, R4600, and 4700.
1653
1654config CPU_TX49XX
1655	bool "R49XX"
1656	depends on SYS_HAS_CPU_TX49XX
1657	select CPU_HAS_PREFETCH
1658	select CPU_HAS_LOAD_STORE_LR
1659	select CPU_SUPPORTS_32BIT_KERNEL
1660	select CPU_SUPPORTS_64BIT_KERNEL
1661	select CPU_SUPPORTS_HUGEPAGES
1662
1663config CPU_R5000
1664	bool "R5000"
1665	depends on SYS_HAS_CPU_R5000
1666	select CPU_SUPPORTS_32BIT_KERNEL
1667	select CPU_SUPPORTS_64BIT_KERNEL
1668	select CPU_SUPPORTS_HUGEPAGES
1669	select CPU_HAS_LOAD_STORE_LR
1670	help
1671	  MIPS Technologies R5000-series processors other than the Nevada.
1672
1673config CPU_R5500
1674	bool "R5500"
1675	depends on SYS_HAS_CPU_R5500
1676	select CPU_SUPPORTS_32BIT_KERNEL
1677	select CPU_SUPPORTS_64BIT_KERNEL
1678	select CPU_SUPPORTS_HUGEPAGES
1679	select CPU_HAS_LOAD_STORE_LR
1680	help
1681	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1682	  instruction set.
1683
1684config CPU_NEVADA
1685	bool "RM52xx"
1686	depends on SYS_HAS_CPU_NEVADA
1687	select CPU_SUPPORTS_32BIT_KERNEL
1688	select CPU_SUPPORTS_64BIT_KERNEL
1689	select CPU_SUPPORTS_HUGEPAGES
1690	select CPU_HAS_LOAD_STORE_LR
1691	help
1692	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1693
1694config CPU_R10000
1695	bool "R10000"
1696	depends on SYS_HAS_CPU_R10000
1697	select CPU_HAS_PREFETCH
1698	select CPU_HAS_LOAD_STORE_LR
1699	select CPU_SUPPORTS_32BIT_KERNEL
1700	select CPU_SUPPORTS_64BIT_KERNEL
1701	select CPU_SUPPORTS_HIGHMEM
1702	select CPU_SUPPORTS_HUGEPAGES
1703	help
1704	  MIPS Technologies R10000-series processors.
1705
1706config CPU_RM7000
1707	bool "RM7000"
1708	depends on SYS_HAS_CPU_RM7000
1709	select CPU_HAS_PREFETCH
1710	select CPU_HAS_LOAD_STORE_LR
1711	select CPU_SUPPORTS_32BIT_KERNEL
1712	select CPU_SUPPORTS_64BIT_KERNEL
1713	select CPU_SUPPORTS_HIGHMEM
1714	select CPU_SUPPORTS_HUGEPAGES
1715
1716config CPU_SB1
1717	bool "SB1"
1718	depends on SYS_HAS_CPU_SB1
1719	select CPU_HAS_LOAD_STORE_LR
1720	select CPU_SUPPORTS_32BIT_KERNEL
1721	select CPU_SUPPORTS_64BIT_KERNEL
1722	select CPU_SUPPORTS_HIGHMEM
1723	select CPU_SUPPORTS_HUGEPAGES
1724	select WEAK_ORDERING
1725
1726config CPU_CAVIUM_OCTEON
1727	bool "Cavium Octeon processor"
1728	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1729	select CPU_HAS_PREFETCH
1730	select CPU_HAS_LOAD_STORE_LR
1731	select CPU_SUPPORTS_64BIT_KERNEL
1732	select WEAK_ORDERING
1733	select CPU_SUPPORTS_HIGHMEM
1734	select CPU_SUPPORTS_HUGEPAGES
1735	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1736	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1737	select MIPS_L1_CACHE_SHIFT_7
1738	select HAVE_KVM
1739	help
1740	  The Cavium Octeon processor is a highly integrated chip containing
1741	  many ethernet hardware widgets for networking tasks. The processor
1742	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1743	  Full details can be found at http://www.caviumnetworks.com.
1744
1745config CPU_BMIPS
1746	bool "Broadcom BMIPS"
1747	depends on SYS_HAS_CPU_BMIPS
1748	select CPU_MIPS32
1749	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1750	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1751	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1752	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1753	select CPU_SUPPORTS_32BIT_KERNEL
1754	select DMA_NONCOHERENT
1755	select IRQ_MIPS_CPU
1756	select SWAP_IO_SPACE
1757	select WEAK_ORDERING
1758	select CPU_SUPPORTS_HIGHMEM
1759	select CPU_HAS_PREFETCH
1760	select CPU_HAS_LOAD_STORE_LR
1761	select CPU_SUPPORTS_CPUFREQ
1762	select MIPS_EXTERNAL_TIMER
1763	help
1764	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1765
1766config CPU_XLR
1767	bool "Netlogic XLR SoC"
1768	depends on SYS_HAS_CPU_XLR
1769	select CPU_HAS_LOAD_STORE_LR
1770	select CPU_SUPPORTS_32BIT_KERNEL
1771	select CPU_SUPPORTS_64BIT_KERNEL
1772	select CPU_SUPPORTS_HIGHMEM
1773	select CPU_SUPPORTS_HUGEPAGES
1774	select WEAK_ORDERING
1775	select WEAK_REORDERING_BEYOND_LLSC
1776	help
1777	  Netlogic Microsystems XLR/XLS processors.
1778
1779config CPU_XLP
1780	bool "Netlogic XLP SoC"
1781	depends on SYS_HAS_CPU_XLP
1782	select CPU_SUPPORTS_32BIT_KERNEL
1783	select CPU_SUPPORTS_64BIT_KERNEL
1784	select CPU_SUPPORTS_HIGHMEM
1785	select WEAK_ORDERING
1786	select WEAK_REORDERING_BEYOND_LLSC
1787	select CPU_HAS_PREFETCH
1788	select CPU_HAS_LOAD_STORE_LR
1789	select CPU_MIPSR2
1790	select CPU_SUPPORTS_HUGEPAGES
1791	select MIPS_ASID_BITS_VARIABLE
1792	help
1793	  Netlogic Microsystems XLP processors.
1794endchoice
1795
1796config CPU_MIPS32_3_5_FEATURES
1797	bool "MIPS32 Release 3.5 Features"
1798	depends on SYS_HAS_CPU_MIPS32_R3_5
1799	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1800	help
1801	  Choose this option to build a kernel for release 2 or later of the
1802	  MIPS32 architecture including features from the 3.5 release such as
1803	  support for Enhanced Virtual Addressing (EVA).
1804
1805config CPU_MIPS32_3_5_EVA
1806	bool "Enhanced Virtual Addressing (EVA)"
1807	depends on CPU_MIPS32_3_5_FEATURES
1808	select EVA
1809	default y
1810	help
1811	  Choose this option if you want to enable the Enhanced Virtual
1812	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1813	  One of its primary benefits is an increase in the maximum size
1814	  of lowmem (up to 3GB). If unsure, say 'N' here.
1815
1816config CPU_MIPS32_R5_FEATURES
1817	bool "MIPS32 Release 5 Features"
1818	depends on SYS_HAS_CPU_MIPS32_R5
1819	depends on CPU_MIPS32_R2
1820	help
1821	  Choose this option to build a kernel for release 2 or later of the
1822	  MIPS32 architecture including features from release 5 such as
1823	  support for Extended Physical Addressing (XPA).
1824
1825config CPU_MIPS32_R5_XPA
1826	bool "Extended Physical Addressing (XPA)"
1827	depends on CPU_MIPS32_R5_FEATURES
1828	depends on !EVA
1829	depends on !PAGE_SIZE_4KB
1830	depends on SYS_SUPPORTS_HIGHMEM
1831	select XPA
1832	select HIGHMEM
1833	select PHYS_ADDR_T_64BIT
1834	default n
1835	help
1836	  Choose this option if you want to enable the Extended Physical
1837	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1838	  benefit is to increase physical addressing equal to or greater
1839	  than 40 bits. Note that this has the side effect of turning on
1840	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1841	  If unsure, say 'N' here.
1842
1843if CPU_LOONGSON2F
1844config CPU_NOP_WORKAROUNDS
1845	bool
1846
1847config CPU_JUMP_WORKAROUNDS
1848	bool
1849
1850config CPU_LOONGSON2F_WORKAROUNDS
1851	bool "Loongson 2F Workarounds"
1852	default y
1853	select CPU_NOP_WORKAROUNDS
1854	select CPU_JUMP_WORKAROUNDS
1855	help
1856	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1857	  require workarounds.  Without workarounds the system may hang
1858	  unexpectedly.  For more information please refer to the gas
1859	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1860
1861	  Loongson 2F03 and later have fixed these issues and no workarounds
1862	  are needed.  The workarounds have no significant side effect on them
1863	  but may decrease the performance of the system so this option should
1864	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1865	  systems.
1866
1867	  If unsure, please say Y.
1868endif # CPU_LOONGSON2F
1869
1870config SYS_SUPPORTS_ZBOOT
1871	bool
1872	select HAVE_KERNEL_GZIP
1873	select HAVE_KERNEL_BZIP2
1874	select HAVE_KERNEL_LZ4
1875	select HAVE_KERNEL_LZMA
1876	select HAVE_KERNEL_LZO
1877	select HAVE_KERNEL_XZ
1878
1879config SYS_SUPPORTS_ZBOOT_UART16550
1880	bool
1881	select SYS_SUPPORTS_ZBOOT
1882
1883config SYS_SUPPORTS_ZBOOT_UART_PROM
1884	bool
1885	select SYS_SUPPORTS_ZBOOT
1886
1887config CPU_LOONGSON2EF
1888	bool
1889	select CPU_SUPPORTS_32BIT_KERNEL
1890	select CPU_SUPPORTS_64BIT_KERNEL
1891	select CPU_SUPPORTS_HIGHMEM
1892	select CPU_SUPPORTS_HUGEPAGES
1893	select ARCH_HAS_PHYS_TO_DMA
1894	select CPU_HAS_LOAD_STORE_LR
1895
1896config CPU_LOONGSON1
1897	bool
1898	select CPU_MIPS32
1899	select CPU_MIPSR2
1900	select CPU_HAS_PREFETCH
1901	select CPU_HAS_LOAD_STORE_LR
1902	select CPU_SUPPORTS_32BIT_KERNEL
1903	select CPU_SUPPORTS_HIGHMEM
1904	select CPU_SUPPORTS_CPUFREQ
1905
1906config CPU_BMIPS32_3300
1907	select SMP_UP if SMP
1908	bool
1909
1910config CPU_BMIPS4350
1911	bool
1912	select SYS_SUPPORTS_SMP
1913	select SYS_SUPPORTS_HOTPLUG_CPU
1914
1915config CPU_BMIPS4380
1916	bool
1917	select MIPS_L1_CACHE_SHIFT_6
1918	select SYS_SUPPORTS_SMP
1919	select SYS_SUPPORTS_HOTPLUG_CPU
1920	select CPU_HAS_RIXI
1921
1922config CPU_BMIPS5000
1923	bool
1924	select MIPS_CPU_SCACHE
1925	select MIPS_L1_CACHE_SHIFT_7
1926	select SYS_SUPPORTS_SMP
1927	select SYS_SUPPORTS_HOTPLUG_CPU
1928	select CPU_HAS_RIXI
1929
1930config SYS_HAS_CPU_LOONGSON64
1931	bool
1932	select CPU_SUPPORTS_CPUFREQ
1933	select CPU_HAS_RIXI
1934
1935config SYS_HAS_CPU_LOONGSON2E
1936	bool
1937
1938config SYS_HAS_CPU_LOONGSON2F
1939	bool
1940	select CPU_SUPPORTS_CPUFREQ
1941	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1942	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1943
1944config SYS_HAS_CPU_LOONGSON1B
1945	bool
1946
1947config SYS_HAS_CPU_LOONGSON1C
1948	bool
1949
1950config SYS_HAS_CPU_MIPS32_R1
1951	bool
1952
1953config SYS_HAS_CPU_MIPS32_R2
1954	bool
1955
1956config SYS_HAS_CPU_MIPS32_R3_5
1957	bool
1958
1959config SYS_HAS_CPU_MIPS32_R5
1960	bool
1961	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1962
1963config SYS_HAS_CPU_MIPS32_R6
1964	bool
1965	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1966
1967config SYS_HAS_CPU_MIPS64_R1
1968	bool
1969
1970config SYS_HAS_CPU_MIPS64_R2
1971	bool
1972
1973config SYS_HAS_CPU_MIPS64_R6
1974	bool
1975	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1976
1977config SYS_HAS_CPU_R3000
1978	bool
1979
1980config SYS_HAS_CPU_TX39XX
1981	bool
1982
1983config SYS_HAS_CPU_VR41XX
1984	bool
1985
1986config SYS_HAS_CPU_R4X00
1987	bool
1988
1989config SYS_HAS_CPU_TX49XX
1990	bool
1991
1992config SYS_HAS_CPU_R5000
1993	bool
1994
1995config SYS_HAS_CPU_R5500
1996	bool
1997
1998config SYS_HAS_CPU_NEVADA
1999	bool
2000
2001config SYS_HAS_CPU_R10000
2002	bool
2003	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2004
2005config SYS_HAS_CPU_RM7000
2006	bool
2007
2008config SYS_HAS_CPU_SB1
2009	bool
2010
2011config SYS_HAS_CPU_CAVIUM_OCTEON
2012	bool
2013
2014config SYS_HAS_CPU_BMIPS
2015	bool
2016
2017config SYS_HAS_CPU_BMIPS32_3300
2018	bool
2019	select SYS_HAS_CPU_BMIPS
2020
2021config SYS_HAS_CPU_BMIPS4350
2022	bool
2023	select SYS_HAS_CPU_BMIPS
2024
2025config SYS_HAS_CPU_BMIPS4380
2026	bool
2027	select SYS_HAS_CPU_BMIPS
2028
2029config SYS_HAS_CPU_BMIPS5000
2030	bool
2031	select SYS_HAS_CPU_BMIPS
2032	select ARCH_HAS_SYNC_DMA_FOR_CPU
2033
2034config SYS_HAS_CPU_XLR
2035	bool
2036
2037config SYS_HAS_CPU_XLP
2038	bool
2039
2040#
2041# CPU may reorder R->R, R->W, W->R, W->W
2042# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2043#
2044config WEAK_ORDERING
2045	bool
2046
2047#
2048# CPU may reorder reads and writes beyond LL/SC
2049# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2050#
2051config WEAK_REORDERING_BEYOND_LLSC
2052	bool
2053endmenu
2054
2055#
2056# These two indicate any level of the MIPS32 and MIPS64 architecture
2057#
2058config CPU_MIPS32
2059	bool
2060	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2061
2062config CPU_MIPS64
2063	bool
2064	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2065
2066#
2067# These indicate the revision of the architecture
2068#
2069config CPU_MIPSR1
2070	bool
2071	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2072
2073config CPU_MIPSR2
2074	bool
2075	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2076	select CPU_HAS_RIXI
2077	select MIPS_SPRAM
2078
2079config CPU_MIPSR6
2080	bool
2081	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2082	select CPU_HAS_RIXI
2083	select HAVE_ARCH_BITREVERSE
2084	select MIPS_ASID_BITS_VARIABLE
2085	select MIPS_CRC_SUPPORT
2086	select MIPS_SPRAM
2087
2088config TARGET_ISA_REV
2089	int
2090	default 1 if CPU_MIPSR1
2091	default 2 if CPU_MIPSR2
2092	default 6 if CPU_MIPSR6
2093	default 0
2094	help
2095	  Reflects the ISA revision being targeted by the kernel build. This
2096	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2097
2098config EVA
2099	bool
2100
2101config XPA
2102	bool
2103
2104config SYS_SUPPORTS_32BIT_KERNEL
2105	bool
2106config SYS_SUPPORTS_64BIT_KERNEL
2107	bool
2108config CPU_SUPPORTS_32BIT_KERNEL
2109	bool
2110config CPU_SUPPORTS_64BIT_KERNEL
2111	bool
2112config CPU_SUPPORTS_CPUFREQ
2113	bool
2114config CPU_SUPPORTS_ADDRWINCFG
2115	bool
2116config CPU_SUPPORTS_HUGEPAGES
2117	bool
2118	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2119config CPU_SUPPORTS_UNCACHED_ACCELERATED
2120	bool
2121config MIPS_PGD_C0_CONTEXT
2122	bool
2123	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2124
2125#
2126# Set to y for ptrace access to watch registers.
2127#
2128config HARDWARE_WATCHPOINTS
2129	bool
2130	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2131
2132menu "Kernel type"
2133
2134choice
2135	prompt "Kernel code model"
2136	help
2137	  You should only select this option if you have a workload that
2138	  actually benefits from 64-bit processing or if your machine has
2139	  large memory.  You will only be presented a single option in this
2140	  menu if your system does not support both 32-bit and 64-bit kernels.
2141
2142config 32BIT
2143	bool "32-bit kernel"
2144	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2145	select TRAD_SIGNALS
2146	help
2147	  Select this option if you want to build a 32-bit kernel.
2148
2149config 64BIT
2150	bool "64-bit kernel"
2151	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2152	help
2153	  Select this option if you want to build a 64-bit kernel.
2154
2155endchoice
2156
2157config KVM_GUEST
2158	bool "KVM Guest Kernel"
2159	depends on BROKEN_ON_SMP
2160	help
2161	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2162	  mode.
2163
2164config KVM_GUEST_TIMER_FREQ
2165	int "Count/Compare Timer Frequency (MHz)"
2166	depends on KVM_GUEST
2167	default 100
2168	help
2169	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2170	  emulation when determining guest CPU Frequency. Instead, the guest's
2171	  timer frequency is specified directly.
2172
2173config MIPS_VA_BITS_48
2174	bool "48 bits virtual memory"
2175	depends on 64BIT
2176	help
2177	  Support a maximum at least 48 bits of application virtual
2178	  memory.  Default is 40 bits or less, depending on the CPU.
2179	  For page sizes 16k and above, this option results in a small
2180	  memory overhead for page tables.  For 4k page size, a fourth
2181	  level of page tables is added which imposes both a memory
2182	  overhead as well as slower TLB fault handling.
2183
2184	  If unsure, say N.
2185
2186choice
2187	prompt "Kernel page size"
2188	default PAGE_SIZE_4KB
2189
2190config PAGE_SIZE_4KB
2191	bool "4kB"
2192	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
2193	help
2194	  This option select the standard 4kB Linux page size.  On some
2195	  R3000-family processors this is the only available page size.  Using
2196	  4kB page size will minimize memory consumption and is therefore
2197	  recommended for low memory systems.
2198
2199config PAGE_SIZE_8KB
2200	bool "8kB"
2201	depends on CPU_CAVIUM_OCTEON
2202	depends on !MIPS_VA_BITS_48
2203	help
2204	  Using 8kB page size will result in higher performance kernel at
2205	  the price of higher memory consumption.  This option is available
2206	  only on cnMIPS processors.  Note that you will need a suitable Linux
2207	  distribution to support this.
2208
2209config PAGE_SIZE_16KB
2210	bool "16kB"
2211	depends on !CPU_R3000 && !CPU_TX39XX
2212	help
2213	  Using 16kB page size will result in higher performance kernel at
2214	  the price of higher memory consumption.  This option is available on
2215	  all non-R3000 family processors.  Note that you will need a suitable
2216	  Linux distribution to support this.
2217
2218config PAGE_SIZE_32KB
2219	bool "32kB"
2220	depends on CPU_CAVIUM_OCTEON
2221	depends on !MIPS_VA_BITS_48
2222	help
2223	  Using 32kB page size will result in higher performance kernel at
2224	  the price of higher memory consumption.  This option is available
2225	  only on cnMIPS cores.  Note that you will need a suitable Linux
2226	  distribution to support this.
2227
2228config PAGE_SIZE_64KB
2229	bool "64kB"
2230	depends on !CPU_R3000 && !CPU_TX39XX
2231	help
2232	  Using 64kB page size will result in higher performance kernel at
2233	  the price of higher memory consumption.  This option is available on
2234	  all non-R3000 family processor.  Not that at the time of this
2235	  writing this option is still high experimental.
2236
2237endchoice
2238
2239config FORCE_MAX_ZONEORDER
2240	int "Maximum zone order"
2241	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2242	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2243	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2244	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2245	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2246	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2247	range 11 64
2248	default "11"
2249	help
2250	  The kernel memory allocator divides physically contiguous memory
2251	  blocks into "zones", where each zone is a power of two number of
2252	  pages.  This option selects the largest power of two that the kernel
2253	  keeps in the memory allocator.  If you need to allocate very large
2254	  blocks of physically contiguous memory, then you may need to
2255	  increase this value.
2256
2257	  This config option is actually maximum order plus one. For example,
2258	  a value of 11 means that the largest free memory block is 2^10 pages.
2259
2260	  The page size is not necessarily 4KB.  Keep this in mind
2261	  when choosing a value for this option.
2262
2263config BOARD_SCACHE
2264	bool
2265
2266config IP22_CPU_SCACHE
2267	bool
2268	select BOARD_SCACHE
2269
2270#
2271# Support for a MIPS32 / MIPS64 style S-caches
2272#
2273config MIPS_CPU_SCACHE
2274	bool
2275	select BOARD_SCACHE
2276
2277config R5000_CPU_SCACHE
2278	bool
2279	select BOARD_SCACHE
2280
2281config RM7000_CPU_SCACHE
2282	bool
2283	select BOARD_SCACHE
2284
2285config SIBYTE_DMA_PAGEOPS
2286	bool "Use DMA to clear/copy pages"
2287	depends on CPU_SB1
2288	help
2289	  Instead of using the CPU to zero and copy pages, use a Data Mover
2290	  channel.  These DMA channels are otherwise unused by the standard
2291	  SiByte Linux port.  Seems to give a small performance benefit.
2292
2293config CPU_HAS_PREFETCH
2294	bool
2295
2296config CPU_GENERIC_DUMP_TLB
2297	bool
2298	default y if !(CPU_R3000 || CPU_TX39XX)
2299
2300config MIPS_FP_SUPPORT
2301	bool "Floating Point support" if EXPERT
2302	default y
2303	help
2304	  Select y to include support for floating point in the kernel
2305	  including initialization of FPU hardware, FP context save & restore
2306	  and emulation of an FPU where necessary. Without this support any
2307	  userland program attempting to use floating point instructions will
2308	  receive a SIGILL.
2309
2310	  If you know that your userland will not attempt to use floating point
2311	  instructions then you can say n here to shrink the kernel a little.
2312
2313	  If unsure, say y.
2314
2315config CPU_R2300_FPU
2316	bool
2317	depends on MIPS_FP_SUPPORT
2318	default y if CPU_R3000 || CPU_TX39XX
2319
2320config CPU_R3K_TLB
2321	bool
2322
2323config CPU_R4K_FPU
2324	bool
2325	depends on MIPS_FP_SUPPORT
2326	default y if !CPU_R2300_FPU
2327
2328config CPU_R4K_CACHE_TLB
2329	bool
2330	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2331
2332config MIPS_MT_SMP
2333	bool "MIPS MT SMP support (1 TC on each available VPE)"
2334	default y
2335	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2336	select CPU_MIPSR2_IRQ_VI
2337	select CPU_MIPSR2_IRQ_EI
2338	select SYNC_R4K
2339	select MIPS_MT
2340	select SMP
2341	select SMP_UP
2342	select SYS_SUPPORTS_SMP
2343	select SYS_SUPPORTS_SCHED_SMT
2344	select MIPS_PERF_SHARED_TC_COUNTERS
2345	help
2346	  This is a kernel model which is known as SMVP. This is supported
2347	  on cores with the MT ASE and uses the available VPEs to implement
2348	  virtual processors which supports SMP. This is equivalent to the
2349	  Intel Hyperthreading feature. For further information go to
2350	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2351
2352config MIPS_MT
2353	bool
2354
2355config SCHED_SMT
2356	bool "SMT (multithreading) scheduler support"
2357	depends on SYS_SUPPORTS_SCHED_SMT
2358	default n
2359	help
2360	  SMT scheduler support improves the CPU scheduler's decision making
2361	  when dealing with MIPS MT enabled cores at a cost of slightly
2362	  increased overhead in some places. If unsure say N here.
2363
2364config SYS_SUPPORTS_SCHED_SMT
2365	bool
2366
2367config SYS_SUPPORTS_MULTITHREADING
2368	bool
2369
2370config MIPS_MT_FPAFF
2371	bool "Dynamic FPU affinity for FP-intensive threads"
2372	default y
2373	depends on MIPS_MT_SMP
2374
2375config MIPSR2_TO_R6_EMULATOR
2376	bool "MIPS R2-to-R6 emulator"
2377	depends on CPU_MIPSR6
2378	depends on MIPS_FP_SUPPORT
2379	default y
2380	help
2381	  Choose this option if you want to run non-R6 MIPS userland code.
2382	  Even if you say 'Y' here, the emulator will still be disabled by
2383	  default. You can enable it using the 'mipsr2emu' kernel option.
2384	  The only reason this is a build-time option is to save ~14K from the
2385	  final kernel image.
2386
2387config SYS_SUPPORTS_VPE_LOADER
2388	bool
2389	depends on SYS_SUPPORTS_MULTITHREADING
2390	help
2391	  Indicates that the platform supports the VPE loader, and provides
2392	  physical_memsize.
2393
2394config MIPS_VPE_LOADER
2395	bool "VPE loader support."
2396	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2397	select CPU_MIPSR2_IRQ_VI
2398	select CPU_MIPSR2_IRQ_EI
2399	select MIPS_MT
2400	help
2401	  Includes a loader for loading an elf relocatable object
2402	  onto another VPE and running it.
2403
2404config MIPS_VPE_LOADER_CMP
2405	bool
2406	default "y"
2407	depends on MIPS_VPE_LOADER && MIPS_CMP
2408
2409config MIPS_VPE_LOADER_MT
2410	bool
2411	default "y"
2412	depends on MIPS_VPE_LOADER && !MIPS_CMP
2413
2414config MIPS_VPE_LOADER_TOM
2415	bool "Load VPE program into memory hidden from linux"
2416	depends on MIPS_VPE_LOADER
2417	default y
2418	help
2419	  The loader can use memory that is present but has been hidden from
2420	  Linux using the kernel command line option "mem=xxMB". It's up to
2421	  you to ensure the amount you put in the option and the space your
2422	  program requires is less or equal to the amount physically present.
2423
2424config MIPS_VPE_APSP_API
2425	bool "Enable support for AP/SP API (RTLX)"
2426	depends on MIPS_VPE_LOADER
2427
2428config MIPS_VPE_APSP_API_CMP
2429	bool
2430	default "y"
2431	depends on MIPS_VPE_APSP_API && MIPS_CMP
2432
2433config MIPS_VPE_APSP_API_MT
2434	bool
2435	default "y"
2436	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2437
2438config MIPS_CMP
2439	bool "MIPS CMP framework support (DEPRECATED)"
2440	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2441	select SMP
2442	select SYNC_R4K
2443	select SYS_SUPPORTS_SMP
2444	select WEAK_ORDERING
2445	default n
2446	help
2447	  Select this if you are using a bootloader which implements the "CMP
2448	  framework" protocol (ie. YAMON) and want your kernel to make use of
2449	  its ability to start secondary CPUs.
2450
2451	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2452	  instead of this.
2453
2454config MIPS_CPS
2455	bool "MIPS Coherent Processing System support"
2456	depends on SYS_SUPPORTS_MIPS_CPS
2457	select MIPS_CM
2458	select MIPS_CPS_PM if HOTPLUG_CPU
2459	select SMP
2460	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2461	select SYS_SUPPORTS_HOTPLUG_CPU
2462	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2463	select SYS_SUPPORTS_SMP
2464	select WEAK_ORDERING
2465	help
2466	  Select this if you wish to run an SMP kernel across multiple cores
2467	  within a MIPS Coherent Processing System. When this option is
2468	  enabled the kernel will probe for other cores and boot them with
2469	  no external assistance. It is safe to enable this when hardware
2470	  support is unavailable.
2471
2472config MIPS_CPS_PM
2473	depends on MIPS_CPS
2474	bool
2475
2476config MIPS_CM
2477	bool
2478	select MIPS_CPC
2479
2480config MIPS_CPC
2481	bool
2482
2483config SB1_PASS_2_WORKAROUNDS
2484	bool
2485	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2486	default y
2487
2488config SB1_PASS_2_1_WORKAROUNDS
2489	bool
2490	depends on CPU_SB1 && CPU_SB1_PASS_2
2491	default y
2492
2493choice
2494	prompt "SmartMIPS or microMIPS ASE support"
2495
2496config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2497	bool "None"
2498	help
2499	  Select this if you want neither microMIPS nor SmartMIPS support
2500
2501config CPU_HAS_SMARTMIPS
2502	depends on SYS_SUPPORTS_SMARTMIPS
2503	bool "SmartMIPS"
2504	help
2505	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2506	  increased security at both hardware and software level for
2507	  smartcards.  Enabling this option will allow proper use of the
2508	  SmartMIPS instructions by Linux applications.  However a kernel with
2509	  this option will not work on a MIPS core without SmartMIPS core.  If
2510	  you don't know you probably don't have SmartMIPS and should say N
2511	  here.
2512
2513config CPU_MICROMIPS
2514	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2515	bool "microMIPS"
2516	help
2517	  When this option is enabled the kernel will be built using the
2518	  microMIPS ISA
2519
2520endchoice
2521
2522config CPU_HAS_MSA
2523	bool "Support for the MIPS SIMD Architecture"
2524	depends on CPU_SUPPORTS_MSA
2525	depends on MIPS_FP_SUPPORT
2526	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2527	help
2528	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2529	  and a set of SIMD instructions to operate on them. When this option
2530	  is enabled the kernel will support allocating & switching MSA
2531	  vector register contexts. If you know that your kernel will only be
2532	  running on CPUs which do not support MSA or that your userland will
2533	  not be making use of it then you may wish to say N here to reduce
2534	  the size & complexity of your kernel.
2535
2536	  If unsure, say Y.
2537
2538config CPU_HAS_WB
2539	bool
2540
2541config XKS01
2542	bool
2543
2544config CPU_HAS_RIXI
2545	bool
2546
2547config CPU_HAS_LOAD_STORE_LR
2548	bool
2549	help
2550	  CPU has support for unaligned load and store instructions:
2551	  LWL, LWR, SWL, SWR (Load/store word left/right).
2552	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2553
2554#
2555# Vectored interrupt mode is an R2 feature
2556#
2557config CPU_MIPSR2_IRQ_VI
2558	bool
2559
2560#
2561# Extended interrupt mode is an R2 feature
2562#
2563config CPU_MIPSR2_IRQ_EI
2564	bool
2565
2566config CPU_HAS_SYNC
2567	bool
2568	depends on !CPU_R3000
2569	default y
2570
2571#
2572# CPU non-features
2573#
2574config CPU_DADDI_WORKAROUNDS
2575	bool
2576
2577config CPU_R4000_WORKAROUNDS
2578	bool
2579	select CPU_R4400_WORKAROUNDS
2580
2581config CPU_R4400_WORKAROUNDS
2582	bool
2583
2584config CPU_R4X00_BUGS64
2585	bool
2586	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2587
2588config MIPS_ASID_SHIFT
2589	int
2590	default 6 if CPU_R3000 || CPU_TX39XX
2591	default 0
2592
2593config MIPS_ASID_BITS
2594	int
2595	default 0 if MIPS_ASID_BITS_VARIABLE
2596	default 6 if CPU_R3000 || CPU_TX39XX
2597	default 8
2598
2599config MIPS_ASID_BITS_VARIABLE
2600	bool
2601
2602config MIPS_CRC_SUPPORT
2603	bool
2604
2605#
2606# - Highmem only makes sense for the 32-bit kernel.
2607# - The current highmem code will only work properly on physically indexed
2608#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2609#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2610#   moment we protect the user and offer the highmem option only on machines
2611#   where it's known to be safe.  This will not offer highmem on a few systems
2612#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2613#   indexed CPUs but we're playing safe.
2614# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2615#   know they might have memory configurations that could make use of highmem
2616#   support.
2617#
2618config HIGHMEM
2619	bool "High Memory Support"
2620	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2621
2622config CPU_SUPPORTS_HIGHMEM
2623	bool
2624
2625config SYS_SUPPORTS_HIGHMEM
2626	bool
2627
2628config SYS_SUPPORTS_SMARTMIPS
2629	bool
2630
2631config SYS_SUPPORTS_MICROMIPS
2632	bool
2633
2634config SYS_SUPPORTS_MIPS16
2635	bool
2636	help
2637	  This option must be set if a kernel might be executed on a MIPS16-
2638	  enabled CPU even if MIPS16 is not actually being used.  In other
2639	  words, it makes the kernel MIPS16-tolerant.
2640
2641config CPU_SUPPORTS_MSA
2642	bool
2643
2644config ARCH_FLATMEM_ENABLE
2645	def_bool y
2646	depends on !NUMA && !CPU_LOONGSON2EF
2647
2648config ARCH_SPARSEMEM_ENABLE
2649	bool
2650	select SPARSEMEM_STATIC if !SGI_IP27
2651
2652config NUMA
2653	bool "NUMA Support"
2654	depends on SYS_SUPPORTS_NUMA
2655	help
2656	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2657	  Access).  This option improves performance on systems with more
2658	  than two nodes; on two node systems it is generally better to
2659	  leave it disabled; on single node systems disable this option
2660	  disabled.
2661
2662config SYS_SUPPORTS_NUMA
2663	bool
2664
2665config RELOCATABLE
2666	bool "Relocatable kernel"
2667	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2668	help
2669	  This builds a kernel image that retains relocation information
2670	  so it can be loaded someplace besides the default 1MB.
2671	  The relocations make the kernel binary about 15% larger,
2672	  but are discarded at runtime
2673
2674config RELOCATION_TABLE_SIZE
2675	hex "Relocation table size"
2676	depends on RELOCATABLE
2677	range 0x0 0x01000000
2678	default "0x00100000"
2679	---help---
2680	  A table of relocation data will be appended to the kernel binary
2681	  and parsed at boot to fix up the relocated kernel.
2682
2683	  This option allows the amount of space reserved for the table to be
2684	  adjusted, although the default of 1Mb should be ok in most cases.
2685
2686	  The build will fail and a valid size suggested if this is too small.
2687
2688	  If unsure, leave at the default value.
2689
2690config RANDOMIZE_BASE
2691	bool "Randomize the address of the kernel image"
2692	depends on RELOCATABLE
2693	---help---
2694	  Randomizes the physical and virtual address at which the
2695	  kernel image is loaded, as a security feature that
2696	  deters exploit attempts relying on knowledge of the location
2697	  of kernel internals.
2698
2699	  Entropy is generated using any coprocessor 0 registers available.
2700
2701	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2702
2703	  If unsure, say N.
2704
2705config RANDOMIZE_BASE_MAX_OFFSET
2706	hex "Maximum kASLR offset" if EXPERT
2707	depends on RANDOMIZE_BASE
2708	range 0x0 0x40000000 if EVA || 64BIT
2709	range 0x0 0x08000000
2710	default "0x01000000"
2711	---help---
2712	  When kASLR is active, this provides the maximum offset that will
2713	  be applied to the kernel image. It should be set according to the
2714	  amount of physical RAM available in the target system minus
2715	  PHYSICAL_START and must be a power of 2.
2716
2717	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2718	  EVA or 64-bit. The default is 16Mb.
2719
2720config NODES_SHIFT
2721	int
2722	default "6"
2723	depends on NEED_MULTIPLE_NODES
2724
2725config HW_PERF_EVENTS
2726	bool "Enable hardware performance counter support for perf events"
2727	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2728	default y
2729	help
2730	  Enable hardware performance counter support for perf events. If
2731	  disabled, perf events will use software events only.
2732
2733config SMP
2734	bool "Multi-Processing support"
2735	depends on SYS_SUPPORTS_SMP
2736	help
2737	  This enables support for systems with more than one CPU. If you have
2738	  a system with only one CPU, say N. If you have a system with more
2739	  than one CPU, say Y.
2740
2741	  If you say N here, the kernel will run on uni- and multiprocessor
2742	  machines, but will use only one CPU of a multiprocessor machine. If
2743	  you say Y here, the kernel will run on many, but not all,
2744	  uniprocessor machines. On a uniprocessor machine, the kernel
2745	  will run faster if you say N here.
2746
2747	  People using multiprocessor machines who say Y here should also say
2748	  Y to "Enhanced Real Time Clock Support", below.
2749
2750	  See also the SMP-HOWTO available at
2751	  <http://www.tldp.org/docs.html#howto>.
2752
2753	  If you don't know what to do here, say N.
2754
2755config HOTPLUG_CPU
2756	bool "Support for hot-pluggable CPUs"
2757	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2758	help
2759	  Say Y here to allow turning CPUs off and on. CPUs can be
2760	  controlled through /sys/devices/system/cpu.
2761	  (Note: power management support will enable this option
2762	    automatically on SMP systems. )
2763	  Say N if you want to disable CPU hotplug.
2764
2765config SMP_UP
2766	bool
2767
2768config SYS_SUPPORTS_MIPS_CMP
2769	bool
2770
2771config SYS_SUPPORTS_MIPS_CPS
2772	bool
2773
2774config SYS_SUPPORTS_SMP
2775	bool
2776
2777config NR_CPUS_DEFAULT_4
2778	bool
2779
2780config NR_CPUS_DEFAULT_8
2781	bool
2782
2783config NR_CPUS_DEFAULT_16
2784	bool
2785
2786config NR_CPUS_DEFAULT_32
2787	bool
2788
2789config NR_CPUS_DEFAULT_64
2790	bool
2791
2792config NR_CPUS
2793	int "Maximum number of CPUs (2-256)"
2794	range 2 256
2795	depends on SMP
2796	default "4" if NR_CPUS_DEFAULT_4
2797	default "8" if NR_CPUS_DEFAULT_8
2798	default "16" if NR_CPUS_DEFAULT_16
2799	default "32" if NR_CPUS_DEFAULT_32
2800	default "64" if NR_CPUS_DEFAULT_64
2801	help
2802	  This allows you to specify the maximum number of CPUs which this
2803	  kernel will support.  The maximum supported value is 32 for 32-bit
2804	  kernel and 64 for 64-bit kernels; the minimum value which makes
2805	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2806	  and 2 for all others.
2807
2808	  This is purely to save memory - each supported CPU adds
2809	  approximately eight kilobytes to the kernel image.  For best
2810	  performance should round up your number of processors to the next
2811	  power of two.
2812
2813config MIPS_PERF_SHARED_TC_COUNTERS
2814	bool
2815
2816config MIPS_NR_CPU_NR_MAP_1024
2817	bool
2818
2819config MIPS_NR_CPU_NR_MAP
2820	int
2821	depends on SMP
2822	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2823	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2824
2825#
2826# Timer Interrupt Frequency Configuration
2827#
2828
2829choice
2830	prompt "Timer frequency"
2831	default HZ_250
2832	help
2833	  Allows the configuration of the timer frequency.
2834
2835	config HZ_24
2836		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2837
2838	config HZ_48
2839		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2840
2841	config HZ_100
2842		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2843
2844	config HZ_128
2845		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2846
2847	config HZ_250
2848		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2849
2850	config HZ_256
2851		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2852
2853	config HZ_1000
2854		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2855
2856	config HZ_1024
2857		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2858
2859endchoice
2860
2861config SYS_SUPPORTS_24HZ
2862	bool
2863
2864config SYS_SUPPORTS_48HZ
2865	bool
2866
2867config SYS_SUPPORTS_100HZ
2868	bool
2869
2870config SYS_SUPPORTS_128HZ
2871	bool
2872
2873config SYS_SUPPORTS_250HZ
2874	bool
2875
2876config SYS_SUPPORTS_256HZ
2877	bool
2878
2879config SYS_SUPPORTS_1000HZ
2880	bool
2881
2882config SYS_SUPPORTS_1024HZ
2883	bool
2884
2885config SYS_SUPPORTS_ARBIT_HZ
2886	bool
2887	default y if !SYS_SUPPORTS_24HZ && \
2888		     !SYS_SUPPORTS_48HZ && \
2889		     !SYS_SUPPORTS_100HZ && \
2890		     !SYS_SUPPORTS_128HZ && \
2891		     !SYS_SUPPORTS_250HZ && \
2892		     !SYS_SUPPORTS_256HZ && \
2893		     !SYS_SUPPORTS_1000HZ && \
2894		     !SYS_SUPPORTS_1024HZ
2895
2896config HZ
2897	int
2898	default 24 if HZ_24
2899	default 48 if HZ_48
2900	default 100 if HZ_100
2901	default 128 if HZ_128
2902	default 250 if HZ_250
2903	default 256 if HZ_256
2904	default 1000 if HZ_1000
2905	default 1024 if HZ_1024
2906
2907config SCHED_HRTICK
2908	def_bool HIGH_RES_TIMERS
2909
2910config KEXEC
2911	bool "Kexec system call"
2912	select KEXEC_CORE
2913	help
2914	  kexec is a system call that implements the ability to shutdown your
2915	  current kernel, and to start another kernel.  It is like a reboot
2916	  but it is independent of the system firmware.   And like a reboot
2917	  you can start any kernel with it, not just Linux.
2918
2919	  The name comes from the similarity to the exec system call.
2920
2921	  It is an ongoing process to be certain the hardware in a machine
2922	  is properly shutdown, so do not be surprised if this code does not
2923	  initially work for you.  As of this writing the exact hardware
2924	  interface is strongly in flux, so no good recommendation can be
2925	  made.
2926
2927config CRASH_DUMP
2928	bool "Kernel crash dumps"
2929	help
2930	  Generate crash dump after being started by kexec.
2931	  This should be normally only set in special crash dump kernels
2932	  which are loaded in the main kernel with kexec-tools into
2933	  a specially reserved region and then later executed after
2934	  a crash by kdump/kexec. The crash dump kernel must be compiled
2935	  to a memory address not used by the main kernel or firmware using
2936	  PHYSICAL_START.
2937
2938config PHYSICAL_START
2939	hex "Physical address where the kernel is loaded"
2940	default "0xffffffff84000000"
2941	depends on CRASH_DUMP
2942	help
2943	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2944	  If you plan to use kernel for capturing the crash dump change
2945	  this value to start of the reserved region (the "X" value as
2946	  specified in the "crashkernel=YM@XM" command line boot parameter
2947	  passed to the panic-ed kernel).
2948
2949config SECCOMP
2950	bool "Enable seccomp to safely compute untrusted bytecode"
2951	depends on PROC_FS
2952	default y
2953	help
2954	  This kernel feature is useful for number crunching applications
2955	  that may need to compute untrusted bytecode during their
2956	  execution. By using pipes or other transports made available to
2957	  the process as file descriptors supporting the read/write
2958	  syscalls, it's possible to isolate those applications in
2959	  their own address space using seccomp. Once seccomp is
2960	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2961	  and the task is only allowed to execute a few safe syscalls
2962	  defined by each seccomp mode.
2963
2964	  If unsure, say Y. Only embedded should say N here.
2965
2966config MIPS_O32_FP64_SUPPORT
2967	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2968	depends on 32BIT || MIPS32_O32
2969	help
2970	  When this is enabled, the kernel will support use of 64-bit floating
2971	  point registers with binaries using the O32 ABI along with the
2972	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2973	  32-bit MIPS systems this support is at the cost of increasing the
2974	  size and complexity of the compiled FPU emulator. Thus if you are
2975	  running a MIPS32 system and know that none of your userland binaries
2976	  will require 64-bit floating point, you may wish to reduce the size
2977	  of your kernel & potentially improve FP emulation performance by
2978	  saying N here.
2979
2980	  Although binutils currently supports use of this flag the details
2981	  concerning its effect upon the O32 ABI in userland are still being
2982	  worked on. In order to avoid userland becoming dependant upon current
2983	  behaviour before the details have been finalised, this option should
2984	  be considered experimental and only enabled by those working upon
2985	  said details.
2986
2987	  If unsure, say N.
2988
2989config USE_OF
2990	bool
2991	select OF
2992	select OF_EARLY_FLATTREE
2993	select IRQ_DOMAIN
2994
2995config UHI_BOOT
2996	bool
2997
2998config BUILTIN_DTB
2999	bool
3000
3001choice
3002	prompt "Kernel appended dtb support" if USE_OF
3003	default MIPS_NO_APPENDED_DTB
3004
3005	config MIPS_NO_APPENDED_DTB
3006		bool "None"
3007		help
3008		  Do not enable appended dtb support.
3009
3010	config MIPS_ELF_APPENDED_DTB
3011		bool "vmlinux"
3012		help
3013		  With this option, the boot code will look for a device tree binary
3014		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3015		  it is empty and the DTB can be appended using binutils command
3016		  objcopy:
3017
3018		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3019
3020		  This is meant as a backward compatiblity convenience for those
3021		  systems with a bootloader that can't be upgraded to accommodate
3022		  the documented boot protocol using a device tree.
3023
3024	config MIPS_RAW_APPENDED_DTB
3025		bool "vmlinux.bin or vmlinuz.bin"
3026		help
3027		  With this option, the boot code will look for a device tree binary
3028		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3029		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3030
3031		  This is meant as a backward compatibility convenience for those
3032		  systems with a bootloader that can't be upgraded to accommodate
3033		  the documented boot protocol using a device tree.
3034
3035		  Beware that there is very little in terms of protection against
3036		  this option being confused by leftover garbage in memory that might
3037		  look like a DTB header after a reboot if no actual DTB is appended
3038		  to vmlinux.bin.  Do not leave this option active in a production kernel
3039		  if you don't intend to always append a DTB.
3040endchoice
3041
3042choice
3043	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3044	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3045					 !MIPS_MALTA && \
3046					 !CAVIUM_OCTEON_SOC
3047	default MIPS_CMDLINE_FROM_BOOTLOADER
3048
3049	config MIPS_CMDLINE_FROM_DTB
3050		depends on USE_OF
3051		bool "Dtb kernel arguments if available"
3052
3053	config MIPS_CMDLINE_DTB_EXTEND
3054		depends on USE_OF
3055		bool "Extend dtb kernel arguments with bootloader arguments"
3056
3057	config MIPS_CMDLINE_FROM_BOOTLOADER
3058		bool "Bootloader kernel arguments if available"
3059
3060	config MIPS_CMDLINE_BUILTIN_EXTEND
3061		depends on CMDLINE_BOOL
3062		bool "Extend builtin kernel arguments with bootloader arguments"
3063endchoice
3064
3065endmenu
3066
3067config LOCKDEP_SUPPORT
3068	bool
3069	default y
3070
3071config STACKTRACE_SUPPORT
3072	bool
3073	default y
3074
3075config PGTABLE_LEVELS
3076	int
3077	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3078	default 3 if 64BIT && !PAGE_SIZE_64KB
3079	default 2
3080
3081config MIPS_AUTO_PFN_OFFSET
3082	bool
3083
3084menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3085
3086config PCI_DRIVERS_GENERIC
3087	select PCI_DOMAINS_GENERIC if PCI
3088	bool
3089
3090config PCI_DRIVERS_LEGACY
3091	def_bool !PCI_DRIVERS_GENERIC
3092	select NO_GENERIC_PCI_IOPORT_MAP
3093	select PCI_DOMAINS if PCI
3094
3095#
3096# ISA support is now enabled via select.  Too many systems still have the one
3097# or other ISA chip on the board that users don't know about so don't expect
3098# users to choose the right thing ...
3099#
3100config ISA
3101	bool
3102
3103config TC
3104	bool "TURBOchannel support"
3105	depends on MACH_DECSTATION
3106	help
3107	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3108	  processors.  TURBOchannel programming specifications are available
3109	  at:
3110	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3111	  and:
3112	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3113	  Linux driver support status is documented at:
3114	  <http://www.linux-mips.org/wiki/DECstation>
3115
3116config MMU
3117	bool
3118	default y
3119
3120config ARCH_MMAP_RND_BITS_MIN
3121	default 12 if 64BIT
3122	default 8
3123
3124config ARCH_MMAP_RND_BITS_MAX
3125	default 18 if 64BIT
3126	default 15
3127
3128config ARCH_MMAP_RND_COMPAT_BITS_MIN
3129	default 8
3130
3131config ARCH_MMAP_RND_COMPAT_BITS_MAX
3132	default 15
3133
3134config I8253
3135	bool
3136	select CLKSRC_I8253
3137	select CLKEVT_I8253
3138	select MIPS_EXTERNAL_TIMER
3139
3140config ZONE_DMA
3141	bool
3142
3143config ZONE_DMA32
3144	bool
3145
3146endmenu
3147
3148config TRAD_SIGNALS
3149	bool
3150
3151config MIPS32_COMPAT
3152	bool
3153
3154config COMPAT
3155	bool
3156
3157config SYSVIPC_COMPAT
3158	bool
3159
3160config MIPS32_O32
3161	bool "Kernel support for o32 binaries"
3162	depends on 64BIT
3163	select ARCH_WANT_OLD_COMPAT_IPC
3164	select COMPAT
3165	select MIPS32_COMPAT
3166	select SYSVIPC_COMPAT if SYSVIPC
3167	help
3168	  Select this option if you want to run o32 binaries.  These are pure
3169	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3170	  existing binaries are in this format.
3171
3172	  If unsure, say Y.
3173
3174config MIPS32_N32
3175	bool "Kernel support for n32 binaries"
3176	depends on 64BIT
3177	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3178	select COMPAT
3179	select MIPS32_COMPAT
3180	select SYSVIPC_COMPAT if SYSVIPC
3181	help
3182	  Select this option if you want to run n32 binaries.  These are
3183	  64-bit binaries using 32-bit quantities for addressing and certain
3184	  data that would normally be 64-bit.  They are used in special
3185	  cases.
3186
3187	  If unsure, say N.
3188
3189config BINFMT_ELF32
3190	bool
3191	default y if MIPS32_O32 || MIPS32_N32
3192	select ELFCORE
3193
3194menu "Power management options"
3195
3196config ARCH_HIBERNATION_POSSIBLE
3197	def_bool y
3198	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3199
3200config ARCH_SUSPEND_POSSIBLE
3201	def_bool y
3202	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3203
3204source "kernel/power/Kconfig"
3205
3206endmenu
3207
3208config MIPS_EXTERNAL_TIMER
3209	bool
3210
3211menu "CPU Power Management"
3212
3213if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3214source "drivers/cpufreq/Kconfig"
3215endif
3216
3217source "drivers/cpuidle/Kconfig"
3218
3219endmenu
3220
3221source "drivers/firmware/Kconfig"
3222
3223source "arch/mips/kvm/Kconfig"
3224