xref: /linux/arch/mips/Kconfig (revision f86fd32d)
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_HAS_FORTIFY_SOURCE
8	select ARCH_HAS_KCOV
9	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
10	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
11	select ARCH_HAS_UBSAN_SANITIZE_ALL
12	select ARCH_SUPPORTS_UPROBES
13	select ARCH_USE_BUILTIN_BSWAP
14	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
15	select ARCH_USE_QUEUED_RWLOCKS
16	select ARCH_USE_QUEUED_SPINLOCKS
17	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
18	select ARCH_WANT_IPC_PARSE_VERSION
19	select BUILDTIME_TABLE_SORT
20	select CLONE_BACKWARDS
21	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
22	select CPU_PM if CPU_IDLE
23	select GENERIC_ATOMIC64 if !64BIT
24	select GENERIC_CLOCKEVENTS
25	select GENERIC_CMOS_UPDATE
26	select GENERIC_CPU_AUTOPROBE
27	select GENERIC_GETTIMEOFDAY
28	select GENERIC_IOMAP
29	select GENERIC_IRQ_PROBE
30	select GENERIC_IRQ_SHOW
31	select GENERIC_ISA_DMA if EISA
32	select GENERIC_LIB_ASHLDI3
33	select GENERIC_LIB_ASHRDI3
34	select GENERIC_LIB_CMPDI2
35	select GENERIC_LIB_LSHRDI3
36	select GENERIC_LIB_UCMPDI2
37	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
38	select GENERIC_SMP_IDLE_THREAD
39	select GENERIC_TIME_VSYSCALL
40	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
41	select HANDLE_DOMAIN_IRQ
42	select HAVE_ARCH_COMPILER_H
43	select HAVE_ARCH_JUMP_LABEL
44	select HAVE_ARCH_KGDB
45	select HAVE_ARCH_MMAP_RND_BITS if MMU
46	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
47	select HAVE_ARCH_SECCOMP_FILTER
48	select HAVE_ARCH_TRACEHOOK
49	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
50	select HAVE_ASM_MODVERSIONS
51	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
52	select HAVE_CONTEXT_TRACKING
53	select HAVE_COPY_THREAD_TLS
54	select HAVE_C_RECORDMCOUNT
55	select HAVE_DEBUG_KMEMLEAK
56	select HAVE_DEBUG_STACKOVERFLOW
57	select HAVE_DMA_CONTIGUOUS
58	select HAVE_DYNAMIC_FTRACE
59	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
60	select HAVE_EXIT_THREAD
61	select HAVE_FAST_GUP
62	select HAVE_FTRACE_MCOUNT_RECORD
63	select HAVE_FUNCTION_GRAPH_TRACER
64	select HAVE_FUNCTION_TRACER
65	select HAVE_GCC_PLUGINS
66	select HAVE_GENERIC_VDSO
67	select HAVE_IDE
68	select HAVE_IOREMAP_PROT
69	select HAVE_IRQ_EXIT_ON_IRQ_STACK
70	select HAVE_IRQ_TIME_ACCOUNTING
71	select HAVE_KPROBES
72	select HAVE_KRETPROBES
73	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
74	select HAVE_MEMBLOCK_NODE_MAP
75	select HAVE_MOD_ARCH_SPECIFIC
76	select HAVE_NMI
77	select HAVE_OPROFILE
78	select HAVE_PERF_EVENTS
79	select HAVE_REGS_AND_STACK_ACCESS_API
80	select HAVE_RSEQ
81	select HAVE_SPARSE_SYSCALL_NR
82	select HAVE_STACKPROTECTOR
83	select HAVE_SYSCALL_TRACEPOINTS
84	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
85	select IRQ_FORCED_THREADING
86	select ISA if EISA
87	select MODULES_USE_ELF_REL if MODULES
88	select MODULES_USE_ELF_RELA if MODULES && 64BIT
89	select PERF_USE_VMALLOC
90	select RTC_LIB
91	select SYSCTL_EXCEPTION_TRACE
92	select VIRT_TO_BUS
93
94menu "Machine selection"
95
96choice
97	prompt "System type"
98	default MIPS_GENERIC
99
100config MIPS_GENERIC
101	bool "Generic board-agnostic MIPS kernel"
102	select BOOT_RAW
103	select BUILTIN_DTB
104	select CEVT_R4K
105	select CLKSRC_MIPS_GIC
106	select COMMON_CLK
107	select CPU_MIPSR2_IRQ_EI
108	select CPU_MIPSR2_IRQ_VI
109	select CSRC_R4K
110	select DMA_PERDEV_COHERENT
111	select HAVE_PCI
112	select IRQ_MIPS_CPU
113	select MIPS_AUTO_PFN_OFFSET
114	select MIPS_CPU_SCACHE
115	select MIPS_GIC
116	select MIPS_L1_CACHE_SHIFT_7
117	select NO_EXCEPT_FILL
118	select PCI_DRIVERS_GENERIC
119	select SMP_UP if SMP
120	select SWAP_IO_SPACE
121	select SYS_HAS_CPU_MIPS32_R1
122	select SYS_HAS_CPU_MIPS32_R2
123	select SYS_HAS_CPU_MIPS32_R6
124	select SYS_HAS_CPU_MIPS64_R1
125	select SYS_HAS_CPU_MIPS64_R2
126	select SYS_HAS_CPU_MIPS64_R6
127	select SYS_SUPPORTS_32BIT_KERNEL
128	select SYS_SUPPORTS_64BIT_KERNEL
129	select SYS_SUPPORTS_BIG_ENDIAN
130	select SYS_SUPPORTS_HIGHMEM
131	select SYS_SUPPORTS_LITTLE_ENDIAN
132	select SYS_SUPPORTS_MICROMIPS
133	select SYS_SUPPORTS_MIPS16
134	select SYS_SUPPORTS_MIPS_CPS
135	select SYS_SUPPORTS_MULTITHREADING
136	select SYS_SUPPORTS_RELOCATABLE
137	select SYS_SUPPORTS_SMARTMIPS
138	select UHI_BOOT
139	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
140	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
141	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
142	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
143	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
144	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
145	select USE_OF
146	help
147	  Select this to build a kernel which aims to support multiple boards,
148	  generally using a flattened device tree passed from the bootloader
149	  using the boot protocol defined in the UHI (Unified Hosting
150	  Interface) specification.
151
152config MIPS_ALCHEMY
153	bool "Alchemy processor based machines"
154	select PHYS_ADDR_T_64BIT
155	select CEVT_R4K
156	select CSRC_R4K
157	select IRQ_MIPS_CPU
158	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
159	select SYS_HAS_CPU_MIPS32_R1
160	select SYS_SUPPORTS_32BIT_KERNEL
161	select SYS_SUPPORTS_APM_EMULATION
162	select GPIOLIB
163	select SYS_SUPPORTS_ZBOOT
164	select COMMON_CLK
165
166config AR7
167	bool "Texas Instruments AR7"
168	select BOOT_ELF32
169	select DMA_NONCOHERENT
170	select CEVT_R4K
171	select CSRC_R4K
172	select IRQ_MIPS_CPU
173	select NO_EXCEPT_FILL
174	select SWAP_IO_SPACE
175	select SYS_HAS_CPU_MIPS32_R1
176	select SYS_HAS_EARLY_PRINTK
177	select SYS_SUPPORTS_32BIT_KERNEL
178	select SYS_SUPPORTS_LITTLE_ENDIAN
179	select SYS_SUPPORTS_MIPS16
180	select SYS_SUPPORTS_ZBOOT_UART16550
181	select GPIOLIB
182	select VLYNQ
183	select HAVE_CLK
184	help
185	  Support for the Texas Instruments AR7 System-on-a-Chip
186	  family: TNETD7100, 7200 and 7300.
187
188config ATH25
189	bool "Atheros AR231x/AR531x SoC support"
190	select CEVT_R4K
191	select CSRC_R4K
192	select DMA_NONCOHERENT
193	select IRQ_MIPS_CPU
194	select IRQ_DOMAIN
195	select SYS_HAS_CPU_MIPS32_R1
196	select SYS_SUPPORTS_BIG_ENDIAN
197	select SYS_SUPPORTS_32BIT_KERNEL
198	select SYS_HAS_EARLY_PRINTK
199	help
200	  Support for Atheros AR231x and Atheros AR531x based boards
201
202config ATH79
203	bool "Atheros AR71XX/AR724X/AR913X based boards"
204	select ARCH_HAS_RESET_CONTROLLER
205	select BOOT_RAW
206	select CEVT_R4K
207	select CSRC_R4K
208	select DMA_NONCOHERENT
209	select GPIOLIB
210	select PINCTRL
211	select HAVE_CLK
212	select COMMON_CLK
213	select CLKDEV_LOOKUP
214	select IRQ_MIPS_CPU
215	select SYS_HAS_CPU_MIPS32_R2
216	select SYS_HAS_EARLY_PRINTK
217	select SYS_SUPPORTS_32BIT_KERNEL
218	select SYS_SUPPORTS_BIG_ENDIAN
219	select SYS_SUPPORTS_MIPS16
220	select SYS_SUPPORTS_ZBOOT_UART_PROM
221	select USE_OF
222	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
223	help
224	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
225
226config BMIPS_GENERIC
227	bool "Broadcom Generic BMIPS kernel"
228	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
229	select ARCH_HAS_PHYS_TO_DMA
230	select BOOT_RAW
231	select NO_EXCEPT_FILL
232	select USE_OF
233	select CEVT_R4K
234	select CSRC_R4K
235	select SYNC_R4K
236	select COMMON_CLK
237	select BCM6345_L1_IRQ
238	select BCM7038_L1_IRQ
239	select BCM7120_L2_IRQ
240	select BRCMSTB_L2_IRQ
241	select IRQ_MIPS_CPU
242	select DMA_NONCOHERENT
243	select SYS_SUPPORTS_32BIT_KERNEL
244	select SYS_SUPPORTS_LITTLE_ENDIAN
245	select SYS_SUPPORTS_BIG_ENDIAN
246	select SYS_SUPPORTS_HIGHMEM
247	select SYS_HAS_CPU_BMIPS32_3300
248	select SYS_HAS_CPU_BMIPS4350
249	select SYS_HAS_CPU_BMIPS4380
250	select SYS_HAS_CPU_BMIPS5000
251	select SWAP_IO_SPACE
252	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
253	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
254	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
255	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
256	select HARDIRQS_SW_RESEND
257	help
258	  Build a generic DT-based kernel image that boots on select
259	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
260	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
261	  must be set appropriately for your board.
262
263config BCM47XX
264	bool "Broadcom BCM47XX based boards"
265	select BOOT_RAW
266	select CEVT_R4K
267	select CSRC_R4K
268	select DMA_NONCOHERENT
269	select HAVE_PCI
270	select IRQ_MIPS_CPU
271	select SYS_HAS_CPU_MIPS32_R1
272	select NO_EXCEPT_FILL
273	select SYS_SUPPORTS_32BIT_KERNEL
274	select SYS_SUPPORTS_LITTLE_ENDIAN
275	select SYS_SUPPORTS_MIPS16
276	select SYS_SUPPORTS_ZBOOT
277	select SYS_HAS_EARLY_PRINTK
278	select USE_GENERIC_EARLY_PRINTK_8250
279	select GPIOLIB
280	select LEDS_GPIO_REGISTER
281	select BCM47XX_NVRAM
282	select BCM47XX_SPROM
283	select BCM47XX_SSB if !BCM47XX_BCMA
284	help
285	  Support for BCM47XX based boards
286
287config BCM63XX
288	bool "Broadcom BCM63XX based boards"
289	select BOOT_RAW
290	select CEVT_R4K
291	select CSRC_R4K
292	select SYNC_R4K
293	select DMA_NONCOHERENT
294	select IRQ_MIPS_CPU
295	select SYS_SUPPORTS_32BIT_KERNEL
296	select SYS_SUPPORTS_BIG_ENDIAN
297	select SYS_HAS_EARLY_PRINTK
298	select SWAP_IO_SPACE
299	select GPIOLIB
300	select HAVE_CLK
301	select MIPS_L1_CACHE_SHIFT_4
302	select CLKDEV_LOOKUP
303	help
304	  Support for BCM63XX based boards
305
306config MIPS_COBALT
307	bool "Cobalt Server"
308	select CEVT_R4K
309	select CSRC_R4K
310	select CEVT_GT641XX
311	select DMA_NONCOHERENT
312	select FORCE_PCI
313	select I8253
314	select I8259
315	select IRQ_MIPS_CPU
316	select IRQ_GT641XX
317	select PCI_GT64XXX_PCI0
318	select SYS_HAS_CPU_NEVADA
319	select SYS_HAS_EARLY_PRINTK
320	select SYS_SUPPORTS_32BIT_KERNEL
321	select SYS_SUPPORTS_64BIT_KERNEL
322	select SYS_SUPPORTS_LITTLE_ENDIAN
323	select USE_GENERIC_EARLY_PRINTK_8250
324
325config MACH_DECSTATION
326	bool "DECstations"
327	select BOOT_ELF32
328	select CEVT_DS1287
329	select CEVT_R4K if CPU_R4X00
330	select CSRC_IOASIC
331	select CSRC_R4K if CPU_R4X00
332	select CPU_DADDI_WORKAROUNDS if 64BIT
333	select CPU_R4000_WORKAROUNDS if 64BIT
334	select CPU_R4400_WORKAROUNDS if 64BIT
335	select DMA_NONCOHERENT
336	select NO_IOPORT_MAP
337	select IRQ_MIPS_CPU
338	select SYS_HAS_CPU_R3000
339	select SYS_HAS_CPU_R4X00
340	select SYS_SUPPORTS_32BIT_KERNEL
341	select SYS_SUPPORTS_64BIT_KERNEL
342	select SYS_SUPPORTS_LITTLE_ENDIAN
343	select SYS_SUPPORTS_128HZ
344	select SYS_SUPPORTS_256HZ
345	select SYS_SUPPORTS_1024HZ
346	select MIPS_L1_CACHE_SHIFT_4
347	help
348	  This enables support for DEC's MIPS based workstations.  For details
349	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
350	  DECstation porting pages on <http://decstation.unix-ag.org/>.
351
352	  If you have one of the following DECstation Models you definitely
353	  want to choose R4xx0 for the CPU Type:
354
355		DECstation 5000/50
356		DECstation 5000/150
357		DECstation 5000/260
358		DECsystem 5900/260
359
360	  otherwise choose R3000.
361
362config MACH_JAZZ
363	bool "Jazz family of machines"
364	select ARC_MEMORY
365	select ARC_PROMLIB
366	select ARCH_MIGHT_HAVE_PC_PARPORT
367	select ARCH_MIGHT_HAVE_PC_SERIO
368	select FW_ARC
369	select FW_ARC32
370	select ARCH_MAY_HAVE_PC_FDC
371	select CEVT_R4K
372	select CSRC_R4K
373	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
374	select GENERIC_ISA_DMA
375	select HAVE_PCSPKR_PLATFORM
376	select IRQ_MIPS_CPU
377	select I8253
378	select I8259
379	select ISA
380	select SYS_HAS_CPU_R4X00
381	select SYS_SUPPORTS_32BIT_KERNEL
382	select SYS_SUPPORTS_64BIT_KERNEL
383	select SYS_SUPPORTS_100HZ
384	help
385	  This a family of machines based on the MIPS R4030 chipset which was
386	  used by several vendors to build RISC/os and Windows NT workstations.
387	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
388	  Olivetti M700-10 workstations.
389
390config MACH_INGENIC
391	bool "Ingenic SoC based machines"
392	select SYS_SUPPORTS_32BIT_KERNEL
393	select SYS_SUPPORTS_LITTLE_ENDIAN
394	select SYS_SUPPORTS_ZBOOT_UART16550
395	select CPU_SUPPORTS_HUGEPAGES
396	select DMA_NONCOHERENT
397	select IRQ_MIPS_CPU
398	select PINCTRL
399	select GPIOLIB
400	select COMMON_CLK
401	select GENERIC_IRQ_CHIP
402	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
403	select USE_OF
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 32-bit 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 64-bit 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 machines.
493
494	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
495	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
496	  and Loongson-2F which will be removed), developed by the Institute
497	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
498
499config MACH_PISTACHIO
500	bool "IMG Pistachio SoC based boards"
501	select BOOT_ELF32
502	select BOOT_RAW
503	select CEVT_R4K
504	select CLKSRC_MIPS_GIC
505	select COMMON_CLK
506	select CSRC_R4K
507	select DMA_NONCOHERENT
508	select GPIOLIB
509	select IRQ_MIPS_CPU
510	select MFD_SYSCON
511	select MIPS_CPU_SCACHE
512	select MIPS_GIC
513	select PINCTRL
514	select REGULATOR
515	select SYS_HAS_CPU_MIPS32_R2
516	select SYS_SUPPORTS_32BIT_KERNEL
517	select SYS_SUPPORTS_LITTLE_ENDIAN
518	select SYS_SUPPORTS_MIPS_CPS
519	select SYS_SUPPORTS_MULTITHREADING
520	select SYS_SUPPORTS_RELOCATABLE
521	select SYS_SUPPORTS_ZBOOT
522	select SYS_HAS_EARLY_PRINTK
523	select USE_GENERIC_EARLY_PRINTK_8250
524	select USE_OF
525	help
526	  This enables support for the IMG Pistachio SoC platform.
527
528config MIPS_MALTA
529	bool "MIPS Malta board"
530	select ARCH_MAY_HAVE_PC_FDC
531	select ARCH_MIGHT_HAVE_PC_PARPORT
532	select ARCH_MIGHT_HAVE_PC_SERIO
533	select BOOT_ELF32
534	select BOOT_RAW
535	select BUILTIN_DTB
536	select CEVT_R4K
537	select CLKSRC_MIPS_GIC
538	select COMMON_CLK
539	select CSRC_R4K
540	select DMA_MAYBE_COHERENT
541	select GENERIC_ISA_DMA
542	select HAVE_PCSPKR_PLATFORM
543	select HAVE_PCI
544	select I8253
545	select I8259
546	select IRQ_MIPS_CPU
547	select MIPS_BONITO64
548	select MIPS_CPU_SCACHE
549	select MIPS_GIC
550	select MIPS_L1_CACHE_SHIFT_6
551	select MIPS_MSC
552	select PCI_GT64XXX_PCI0
553	select SMP_UP if SMP
554	select SWAP_IO_SPACE
555	select SYS_HAS_CPU_MIPS32_R1
556	select SYS_HAS_CPU_MIPS32_R2
557	select SYS_HAS_CPU_MIPS32_R3_5
558	select SYS_HAS_CPU_MIPS32_R5
559	select SYS_HAS_CPU_MIPS32_R6
560	select SYS_HAS_CPU_MIPS64_R1
561	select SYS_HAS_CPU_MIPS64_R2
562	select SYS_HAS_CPU_MIPS64_R6
563	select SYS_HAS_CPU_NEVADA
564	select SYS_HAS_CPU_RM7000
565	select SYS_SUPPORTS_32BIT_KERNEL
566	select SYS_SUPPORTS_64BIT_KERNEL
567	select SYS_SUPPORTS_BIG_ENDIAN
568	select SYS_SUPPORTS_HIGHMEM
569	select SYS_SUPPORTS_LITTLE_ENDIAN
570	select SYS_SUPPORTS_MICROMIPS
571	select SYS_SUPPORTS_MIPS16
572	select SYS_SUPPORTS_MIPS_CMP
573	select SYS_SUPPORTS_MIPS_CPS
574	select SYS_SUPPORTS_MULTITHREADING
575	select SYS_SUPPORTS_RELOCATABLE
576	select SYS_SUPPORTS_SMARTMIPS
577	select SYS_SUPPORTS_VPE_LOADER
578	select SYS_SUPPORTS_ZBOOT
579	select USE_OF
580	select ZONE_DMA32 if 64BIT
581	help
582	  This enables support for the MIPS Technologies Malta evaluation
583	  board.
584
585config MACH_PIC32
586	bool "Microchip PIC32 Family"
587	help
588	  This enables support for the Microchip PIC32 family of platforms.
589
590	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
591	  microcontrollers.
592
593config NEC_MARKEINS
594	bool "NEC EMMA2RH Mark-eins board"
595	select SOC_EMMA2RH
596	select HAVE_PCI
597	help
598	  This enables support for the NEC Electronics Mark-eins boards.
599
600config MACH_VR41XX
601	bool "NEC VR4100 series based machines"
602	select CEVT_R4K
603	select CSRC_R4K
604	select SYS_HAS_CPU_VR41XX
605	select SYS_SUPPORTS_MIPS16
606	select GPIOLIB
607
608config NXP_STB220
609	bool "NXP STB220 board"
610	select SOC_PNX833X
611	help
612	  Support for NXP Semiconductors STB220 Development Board.
613
614config NXP_STB225
615	bool "NXP 225 board"
616	select SOC_PNX833X
617	select SOC_PNX8335
618	help
619	  Support for NXP Semiconductors STB225 Development Board.
620
621config PMC_MSP
622	bool "PMC-Sierra MSP chipsets"
623	select CEVT_R4K
624	select CSRC_R4K
625	select DMA_NONCOHERENT
626	select SWAP_IO_SPACE
627	select NO_EXCEPT_FILL
628	select BOOT_RAW
629	select SYS_HAS_CPU_MIPS32_R1
630	select SYS_HAS_CPU_MIPS32_R2
631	select SYS_SUPPORTS_32BIT_KERNEL
632	select SYS_SUPPORTS_BIG_ENDIAN
633	select SYS_SUPPORTS_MIPS16
634	select IRQ_MIPS_CPU
635	select SERIAL_8250
636	select SERIAL_8250_CONSOLE
637	select USB_EHCI_BIG_ENDIAN_MMIO
638	select USB_EHCI_BIG_ENDIAN_DESC
639	help
640	  This adds support for the PMC-Sierra family of Multi-Service
641	  Processor System-On-A-Chips.  These parts include a number
642	  of integrated peripherals, interfaces and DSPs in addition to
643	  a variety of MIPS cores.
644
645config RALINK
646	bool "Ralink based machines"
647	select CEVT_R4K
648	select CSRC_R4K
649	select BOOT_RAW
650	select DMA_NONCOHERENT
651	select IRQ_MIPS_CPU
652	select USE_OF
653	select SYS_HAS_CPU_MIPS32_R1
654	select SYS_HAS_CPU_MIPS32_R2
655	select SYS_SUPPORTS_32BIT_KERNEL
656	select SYS_SUPPORTS_LITTLE_ENDIAN
657	select SYS_SUPPORTS_MIPS16
658	select SYS_HAS_EARLY_PRINTK
659	select CLKDEV_LOOKUP
660	select ARCH_HAS_RESET_CONTROLLER
661	select RESET_CONTROLLER
662
663config SGI_IP22
664	bool "SGI IP22 (Indy/Indigo2)"
665	select ARC_MEMORY
666	select ARC_PROMLIB
667	select FW_ARC
668	select FW_ARC32
669	select ARCH_MIGHT_HAVE_PC_SERIO
670	select BOOT_ELF32
671	select CEVT_R4K
672	select CSRC_R4K
673	select DEFAULT_SGI_PARTITION
674	select DMA_NONCOHERENT
675	select HAVE_EISA
676	select I8253
677	select I8259
678	select IP22_CPU_SCACHE
679	select IRQ_MIPS_CPU
680	select GENERIC_ISA_DMA_SUPPORT_BROKEN
681	select SGI_HAS_I8042
682	select SGI_HAS_INDYDOG
683	select SGI_HAS_HAL2
684	select SGI_HAS_SEEQ
685	select SGI_HAS_WD93
686	select SGI_HAS_ZILOG
687	select SWAP_IO_SPACE
688	select SYS_HAS_CPU_R4X00
689	select SYS_HAS_CPU_R5000
690	select SYS_HAS_EARLY_PRINTK
691	select SYS_SUPPORTS_32BIT_KERNEL
692	select SYS_SUPPORTS_64BIT_KERNEL
693	select SYS_SUPPORTS_BIG_ENDIAN
694	select MIPS_L1_CACHE_SHIFT_7
695	help
696	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
697	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
698	  that runs on these, say Y here.
699
700config SGI_IP27
701	bool "SGI IP27 (Origin200/2000)"
702	select ARCH_HAS_PHYS_TO_DMA
703	select ARCH_SPARSEMEM_ENABLE
704	select FW_ARC
705	select FW_ARC64
706	select ARC_CMDLINE_ONLY
707	select BOOT_ELF64
708	select DEFAULT_SGI_PARTITION
709	select SYS_HAS_EARLY_PRINTK
710	select HAVE_PCI
711	select IRQ_MIPS_CPU
712	select IRQ_DOMAIN_HIERARCHY
713	select NR_CPUS_DEFAULT_64
714	select PCI_DRIVERS_GENERIC
715	select PCI_XTALK_BRIDGE
716	select SYS_HAS_CPU_R10000
717	select SYS_SUPPORTS_64BIT_KERNEL
718	select SYS_SUPPORTS_BIG_ENDIAN
719	select SYS_SUPPORTS_NUMA
720	select SYS_SUPPORTS_SMP
721	select MIPS_L1_CACHE_SHIFT_7
722	help
723	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
724	  workstations.  To compile a Linux kernel that runs on these, say Y
725	  here.
726
727config SGI_IP28
728	bool "SGI IP28 (Indigo2 R10k)"
729	select ARC_MEMORY
730	select ARC_PROMLIB
731	select FW_ARC
732	select FW_ARC64
733	select ARCH_MIGHT_HAVE_PC_SERIO
734	select BOOT_ELF64
735	select CEVT_R4K
736	select CSRC_R4K
737	select DEFAULT_SGI_PARTITION
738	select DMA_NONCOHERENT
739	select GENERIC_ISA_DMA_SUPPORT_BROKEN
740	select IRQ_MIPS_CPU
741	select HAVE_EISA
742	select I8253
743	select I8259
744	select SGI_HAS_I8042
745	select SGI_HAS_INDYDOG
746	select SGI_HAS_HAL2
747	select SGI_HAS_SEEQ
748	select SGI_HAS_WD93
749	select SGI_HAS_ZILOG
750	select SWAP_IO_SPACE
751	select SYS_HAS_CPU_R10000
752	select SYS_HAS_EARLY_PRINTK
753	select SYS_SUPPORTS_64BIT_KERNEL
754	select SYS_SUPPORTS_BIG_ENDIAN
755	select MIPS_L1_CACHE_SHIFT_7
756	help
757	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
758	  kernel that runs on these, say Y here.
759
760config SGI_IP30
761	bool "SGI IP30 (Octane/Octane2)"
762	select ARCH_HAS_PHYS_TO_DMA
763	select FW_ARC
764	select FW_ARC64
765	select BOOT_ELF64
766	select CEVT_R4K
767	select CSRC_R4K
768	select SYNC_R4K if SMP
769	select ZONE_DMA32
770	select HAVE_PCI
771	select IRQ_MIPS_CPU
772	select IRQ_DOMAIN_HIERARCHY
773	select NR_CPUS_DEFAULT_2
774	select PCI_DRIVERS_GENERIC
775	select PCI_XTALK_BRIDGE
776	select SYS_HAS_EARLY_PRINTK
777	select SYS_HAS_CPU_R10000
778	select SYS_SUPPORTS_64BIT_KERNEL
779	select SYS_SUPPORTS_BIG_ENDIAN
780	select SYS_SUPPORTS_SMP
781	select MIPS_L1_CACHE_SHIFT_7
782	select ARC_MEMORY
783	help
784	  These are the SGI Octane and Octane2 graphics workstations.  To
785	  compile a Linux kernel that runs on these, say Y here.
786
787config SGI_IP32
788	bool "SGI IP32 (O2)"
789	select ARC_MEMORY
790	select ARC_PROMLIB
791	select ARCH_HAS_PHYS_TO_DMA
792	select FW_ARC
793	select FW_ARC32
794	select BOOT_ELF32
795	select CEVT_R4K
796	select CSRC_R4K
797	select DMA_NONCOHERENT
798	select HAVE_PCI
799	select IRQ_MIPS_CPU
800	select R5000_CPU_SCACHE
801	select RM7000_CPU_SCACHE
802	select SYS_HAS_CPU_R5000
803	select SYS_HAS_CPU_R10000 if BROKEN
804	select SYS_HAS_CPU_RM7000
805	select SYS_HAS_CPU_NEVADA
806	select SYS_SUPPORTS_64BIT_KERNEL
807	select SYS_SUPPORTS_BIG_ENDIAN
808	help
809	  If you want this kernel to run on SGI O2 workstation, say Y here.
810
811config SIBYTE_CRHINE
812	bool "Sibyte BCM91120C-CRhine"
813	select BOOT_ELF32
814	select SIBYTE_BCM1120
815	select SWAP_IO_SPACE
816	select SYS_HAS_CPU_SB1
817	select SYS_SUPPORTS_BIG_ENDIAN
818	select SYS_SUPPORTS_LITTLE_ENDIAN
819
820config SIBYTE_CARMEL
821	bool "Sibyte BCM91120x-Carmel"
822	select BOOT_ELF32
823	select SIBYTE_BCM1120
824	select SWAP_IO_SPACE
825	select SYS_HAS_CPU_SB1
826	select SYS_SUPPORTS_BIG_ENDIAN
827	select SYS_SUPPORTS_LITTLE_ENDIAN
828
829config SIBYTE_CRHONE
830	bool "Sibyte BCM91125C-CRhone"
831	select BOOT_ELF32
832	select SIBYTE_BCM1125
833	select SWAP_IO_SPACE
834	select SYS_HAS_CPU_SB1
835	select SYS_SUPPORTS_BIG_ENDIAN
836	select SYS_SUPPORTS_HIGHMEM
837	select SYS_SUPPORTS_LITTLE_ENDIAN
838
839config SIBYTE_RHONE
840	bool "Sibyte BCM91125E-Rhone"
841	select BOOT_ELF32
842	select SIBYTE_BCM1125H
843	select SWAP_IO_SPACE
844	select SYS_HAS_CPU_SB1
845	select SYS_SUPPORTS_BIG_ENDIAN
846	select SYS_SUPPORTS_LITTLE_ENDIAN
847
848config SIBYTE_SWARM
849	bool "Sibyte BCM91250A-SWARM"
850	select BOOT_ELF32
851	select HAVE_PATA_PLATFORM
852	select SIBYTE_SB1250
853	select SWAP_IO_SPACE
854	select SYS_HAS_CPU_SB1
855	select SYS_SUPPORTS_BIG_ENDIAN
856	select SYS_SUPPORTS_HIGHMEM
857	select SYS_SUPPORTS_LITTLE_ENDIAN
858	select ZONE_DMA32 if 64BIT
859	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860
861config SIBYTE_LITTLESUR
862	bool "Sibyte BCM91250C2-LittleSur"
863	select BOOT_ELF32
864	select HAVE_PATA_PLATFORM
865	select SIBYTE_SB1250
866	select SWAP_IO_SPACE
867	select SYS_HAS_CPU_SB1
868	select SYS_SUPPORTS_BIG_ENDIAN
869	select SYS_SUPPORTS_HIGHMEM
870	select SYS_SUPPORTS_LITTLE_ENDIAN
871	select ZONE_DMA32 if 64BIT
872
873config SIBYTE_SENTOSA
874	bool "Sibyte BCM91250E-Sentosa"
875	select BOOT_ELF32
876	select SIBYTE_SB1250
877	select SWAP_IO_SPACE
878	select SYS_HAS_CPU_SB1
879	select SYS_SUPPORTS_BIG_ENDIAN
880	select SYS_SUPPORTS_LITTLE_ENDIAN
881	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882
883config SIBYTE_BIGSUR
884	bool "Sibyte BCM91480B-BigSur"
885	select BOOT_ELF32
886	select NR_CPUS_DEFAULT_4
887	select SIBYTE_BCM1x80
888	select SWAP_IO_SPACE
889	select SYS_HAS_CPU_SB1
890	select SYS_SUPPORTS_BIG_ENDIAN
891	select SYS_SUPPORTS_HIGHMEM
892	select SYS_SUPPORTS_LITTLE_ENDIAN
893	select ZONE_DMA32 if 64BIT
894	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895
896config SNI_RM
897	bool "SNI RM200/300/400"
898	select ARC_MEMORY
899	select ARC_PROMLIB
900	select FW_ARC if CPU_LITTLE_ENDIAN
901	select FW_ARC32 if CPU_LITTLE_ENDIAN
902	select FW_SNIPROM if CPU_BIG_ENDIAN
903	select ARCH_MAY_HAVE_PC_FDC
904	select ARCH_MIGHT_HAVE_PC_PARPORT
905	select ARCH_MIGHT_HAVE_PC_SERIO
906	select BOOT_ELF32
907	select CEVT_R4K
908	select CSRC_R4K
909	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910	select DMA_NONCOHERENT
911	select GENERIC_ISA_DMA
912	select HAVE_EISA
913	select HAVE_PCSPKR_PLATFORM
914	select HAVE_PCI
915	select IRQ_MIPS_CPU
916	select I8253
917	select I8259
918	select ISA
919	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
920	select SYS_HAS_CPU_R4X00
921	select SYS_HAS_CPU_R5000
922	select SYS_HAS_CPU_R10000
923	select R5000_CPU_SCACHE
924	select SYS_HAS_EARLY_PRINTK
925	select SYS_SUPPORTS_32BIT_KERNEL
926	select SYS_SUPPORTS_64BIT_KERNEL
927	select SYS_SUPPORTS_BIG_ENDIAN
928	select SYS_SUPPORTS_HIGHMEM
929	select SYS_SUPPORTS_LITTLE_ENDIAN
930	help
931	  The SNI RM200/300/400 are MIPS-based machines manufactured by
932	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
933	  Technology and now in turn merged with Fujitsu.  Say Y here to
934	  support this machine type.
935
936config MACH_TX39XX
937	bool "Toshiba TX39 series based machines"
938
939config MACH_TX49XX
940	bool "Toshiba TX49 series based machines"
941
942config MIKROTIK_RB532
943	bool "Mikrotik RB532 boards"
944	select CEVT_R4K
945	select CSRC_R4K
946	select DMA_NONCOHERENT
947	select HAVE_PCI
948	select IRQ_MIPS_CPU
949	select SYS_HAS_CPU_MIPS32_R1
950	select SYS_SUPPORTS_32BIT_KERNEL
951	select SYS_SUPPORTS_LITTLE_ENDIAN
952	select SWAP_IO_SPACE
953	select BOOT_RAW
954	select GPIOLIB
955	select MIPS_L1_CACHE_SHIFT_4
956	help
957	  Support the Mikrotik(tm) RouterBoard 532 series,
958	  based on the IDT RC32434 SoC.
959
960config CAVIUM_OCTEON_SOC
961	bool "Cavium Networks Octeon SoC based boards"
962	select CEVT_R4K
963	select ARCH_HAS_PHYS_TO_DMA
964	select HAVE_RAPIDIO
965	select PHYS_ADDR_T_64BIT
966	select SYS_SUPPORTS_64BIT_KERNEL
967	select SYS_SUPPORTS_BIG_ENDIAN
968	select EDAC_SUPPORT
969	select EDAC_ATOMIC_SCRUB
970	select SYS_SUPPORTS_LITTLE_ENDIAN
971	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972	select SYS_HAS_EARLY_PRINTK
973	select SYS_HAS_CPU_CAVIUM_OCTEON
974	select HAVE_PCI
975	select ZONE_DMA32
976	select HOLES_IN_ZONE
977	select GPIOLIB
978	select USE_OF
979	select ARCH_SPARSEMEM_ENABLE
980	select SYS_SUPPORTS_SMP
981	select NR_CPUS_DEFAULT_64
982	select MIPS_NR_CPU_NR_MAP_1024
983	select BUILTIN_DTB
984	select MTD_COMPLEX_MAPPINGS
985	select SWIOTLB
986	select SYS_SUPPORTS_RELOCATABLE
987	help
988	  This option supports all of the Octeon reference boards from Cavium
989	  Networks. It builds a kernel that dynamically determines the Octeon
990	  CPU type and supports all known board reference implementations.
991	  Some of the supported boards are:
992		EBT3000
993		EBH3000
994		EBH3100
995		Thunder
996		Kodama
997		Hikari
998	  Say Y here for most Octeon reference boards.
999
1000config NLM_XLR_BOARD
1001	bool "Netlogic XLR/XLS based systems"
1002	select BOOT_ELF32
1003	select NLM_COMMON
1004	select SYS_HAS_CPU_XLR
1005	select SYS_SUPPORTS_SMP
1006	select HAVE_PCI
1007	select SWAP_IO_SPACE
1008	select SYS_SUPPORTS_32BIT_KERNEL
1009	select SYS_SUPPORTS_64BIT_KERNEL
1010	select PHYS_ADDR_T_64BIT
1011	select SYS_SUPPORTS_BIG_ENDIAN
1012	select SYS_SUPPORTS_HIGHMEM
1013	select NR_CPUS_DEFAULT_32
1014	select CEVT_R4K
1015	select CSRC_R4K
1016	select IRQ_MIPS_CPU
1017	select ZONE_DMA32 if 64BIT
1018	select SYNC_R4K
1019	select SYS_HAS_EARLY_PRINTK
1020	select SYS_SUPPORTS_ZBOOT
1021	select SYS_SUPPORTS_ZBOOT_UART16550
1022	help
1023	  Support for systems based on Netlogic XLR and XLS processors.
1024	  Say Y here if you have a XLR or XLS based board.
1025
1026config NLM_XLP_BOARD
1027	bool "Netlogic XLP based systems"
1028	select BOOT_ELF32
1029	select NLM_COMMON
1030	select SYS_HAS_CPU_XLP
1031	select SYS_SUPPORTS_SMP
1032	select HAVE_PCI
1033	select SYS_SUPPORTS_32BIT_KERNEL
1034	select SYS_SUPPORTS_64BIT_KERNEL
1035	select PHYS_ADDR_T_64BIT
1036	select GPIOLIB
1037	select SYS_SUPPORTS_BIG_ENDIAN
1038	select SYS_SUPPORTS_LITTLE_ENDIAN
1039	select SYS_SUPPORTS_HIGHMEM
1040	select NR_CPUS_DEFAULT_32
1041	select CEVT_R4K
1042	select CSRC_R4K
1043	select IRQ_MIPS_CPU
1044	select ZONE_DMA32 if 64BIT
1045	select SYNC_R4K
1046	select SYS_HAS_EARLY_PRINTK
1047	select USE_OF
1048	select SYS_SUPPORTS_ZBOOT
1049	select SYS_SUPPORTS_ZBOOT_UART16550
1050	help
1051	  This board is based on Netlogic XLP Processor.
1052	  Say Y here if you have a XLP based board.
1053
1054config MIPS_PARAVIRT
1055	bool "Para-Virtualized guest system"
1056	select CEVT_R4K
1057	select CSRC_R4K
1058	select SYS_SUPPORTS_64BIT_KERNEL
1059	select SYS_SUPPORTS_32BIT_KERNEL
1060	select SYS_SUPPORTS_BIG_ENDIAN
1061	select SYS_SUPPORTS_SMP
1062	select NR_CPUS_DEFAULT_4
1063	select SYS_HAS_EARLY_PRINTK
1064	select SYS_HAS_CPU_MIPS32_R2
1065	select SYS_HAS_CPU_MIPS64_R2
1066	select SYS_HAS_CPU_CAVIUM_OCTEON
1067	select HAVE_PCI
1068	select SWAP_IO_SPACE
1069	help
1070	  This option supports guest running under ????
1071
1072endchoice
1073
1074source "arch/mips/alchemy/Kconfig"
1075source "arch/mips/ath25/Kconfig"
1076source "arch/mips/ath79/Kconfig"
1077source "arch/mips/bcm47xx/Kconfig"
1078source "arch/mips/bcm63xx/Kconfig"
1079source "arch/mips/bmips/Kconfig"
1080source "arch/mips/generic/Kconfig"
1081source "arch/mips/jazz/Kconfig"
1082source "arch/mips/jz4740/Kconfig"
1083source "arch/mips/lantiq/Kconfig"
1084source "arch/mips/lasat/Kconfig"
1085source "arch/mips/pic32/Kconfig"
1086source "arch/mips/pistachio/Kconfig"
1087source "arch/mips/pmcs-msp71xx/Kconfig"
1088source "arch/mips/ralink/Kconfig"
1089source "arch/mips/sgi-ip27/Kconfig"
1090source "arch/mips/sibyte/Kconfig"
1091source "arch/mips/txx9/Kconfig"
1092source "arch/mips/vr41xx/Kconfig"
1093source "arch/mips/cavium-octeon/Kconfig"
1094source "arch/mips/loongson2ef/Kconfig"
1095source "arch/mips/loongson32/Kconfig"
1096source "arch/mips/loongson64/Kconfig"
1097source "arch/mips/netlogic/Kconfig"
1098source "arch/mips/paravirt/Kconfig"
1099
1100endmenu
1101
1102config GENERIC_HWEIGHT
1103	bool
1104	default y
1105
1106config GENERIC_CALIBRATE_DELAY
1107	bool
1108	default y
1109
1110config SCHED_OMIT_FRAME_POINTER
1111	bool
1112	default y
1113
1114#
1115# Select some configuration options automatically based on user selections.
1116#
1117config FW_ARC
1118	bool
1119
1120config ARCH_MAY_HAVE_PC_FDC
1121	bool
1122
1123config BOOT_RAW
1124	bool
1125
1126config CEVT_BCM1480
1127	bool
1128
1129config CEVT_DS1287
1130	bool
1131
1132config CEVT_GT641XX
1133	bool
1134
1135config CEVT_R4K
1136	bool
1137
1138config CEVT_SB1250
1139	bool
1140
1141config CEVT_TXX9
1142	bool
1143
1144config CSRC_BCM1480
1145	bool
1146
1147config CSRC_IOASIC
1148	bool
1149
1150config CSRC_R4K
1151	bool
1152
1153config CSRC_SB1250
1154	bool
1155
1156config MIPS_CLOCK_VSYSCALL
1157	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1158
1159config GPIO_TXX9
1160	select GPIOLIB
1161	bool
1162
1163config FW_CFE
1164	bool
1165
1166config ARCH_SUPPORTS_UPROBES
1167	bool
1168
1169config DMA_MAYBE_COHERENT
1170	select ARCH_HAS_DMA_COHERENCE_H
1171	select DMA_NONCOHERENT
1172	bool
1173
1174config DMA_PERDEV_COHERENT
1175	bool
1176	select ARCH_HAS_SETUP_DMA_OPS
1177	select DMA_NONCOHERENT
1178
1179config DMA_NONCOHERENT
1180	bool
1181	#
1182	# MIPS allows mixing "slightly different" Cacheability and Coherency
1183	# Attribute bits.  It is believed that the uncached access through
1184	# KSEG1 and the implementation specific "uncached accelerated" used
1185	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1186	# significant advantages.
1187	#
1188	select ARCH_HAS_DMA_WRITE_COMBINE
1189	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1190	select ARCH_HAS_UNCACHED_SEGMENT
1191	select DMA_NONCOHERENT_MMAP
1192	select DMA_NONCOHERENT_CACHE_SYNC
1193	select NEED_DMA_MAP_STATE
1194
1195config SYS_HAS_EARLY_PRINTK
1196	bool
1197
1198config SYS_SUPPORTS_HOTPLUG_CPU
1199	bool
1200
1201config MIPS_BONITO64
1202	bool
1203
1204config MIPS_MSC
1205	bool
1206
1207config MIPS_NILE4
1208	bool
1209
1210config SYNC_R4K
1211	bool
1212
1213config MIPS_MACHINE
1214	def_bool n
1215
1216config NO_IOPORT_MAP
1217	def_bool n
1218
1219config GENERIC_CSUM
1220	def_bool CPU_NO_LOAD_STORE_LR
1221
1222config GENERIC_ISA_DMA
1223	bool
1224	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1225	select ISA_DMA_API
1226
1227config GENERIC_ISA_DMA_SUPPORT_BROKEN
1228	bool
1229	select GENERIC_ISA_DMA
1230
1231config ISA_DMA_API
1232	bool
1233
1234config HOLES_IN_ZONE
1235	bool
1236
1237config SYS_SUPPORTS_RELOCATABLE
1238	bool
1239	help
1240	  Selected if the platform supports relocating the kernel.
1241	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1242	  to allow access to command line and entropy sources.
1243
1244config MIPS_CBPF_JIT
1245	def_bool y
1246	depends on BPF_JIT && HAVE_CBPF_JIT
1247
1248config MIPS_EBPF_JIT
1249	def_bool y
1250	depends on BPF_JIT && HAVE_EBPF_JIT
1251
1252
1253#
1254# Endianness selection.  Sufficiently obscure so many users don't know what to
1255# answer,so we try hard to limit the available choices.  Also the use of a
1256# choice statement should be more obvious to the user.
1257#
1258choice
1259	prompt "Endianness selection"
1260	help
1261	  Some MIPS machines can be configured for either little or big endian
1262	  byte order. These modes require different kernels and a different
1263	  Linux distribution.  In general there is one preferred byteorder for a
1264	  particular system but some systems are just as commonly used in the
1265	  one or the other endianness.
1266
1267config CPU_BIG_ENDIAN
1268	bool "Big endian"
1269	depends on SYS_SUPPORTS_BIG_ENDIAN
1270
1271config CPU_LITTLE_ENDIAN
1272	bool "Little endian"
1273	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1274
1275endchoice
1276
1277config EXPORT_UASM
1278	bool
1279
1280config SYS_SUPPORTS_APM_EMULATION
1281	bool
1282
1283config SYS_SUPPORTS_BIG_ENDIAN
1284	bool
1285
1286config SYS_SUPPORTS_LITTLE_ENDIAN
1287	bool
1288
1289config SYS_SUPPORTS_HUGETLBFS
1290	bool
1291	depends on CPU_SUPPORTS_HUGEPAGES
1292	default y
1293
1294config MIPS_HUGE_TLB_SUPPORT
1295	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1296
1297config IRQ_CPU_RM7K
1298	bool
1299
1300config IRQ_MSP_SLP
1301	bool
1302
1303config IRQ_MSP_CIC
1304	bool
1305
1306config IRQ_TXX9
1307	bool
1308
1309config IRQ_GT641XX
1310	bool
1311
1312config PCI_GT64XXX_PCI0
1313	bool
1314
1315config PCI_XTALK_BRIDGE
1316	bool
1317
1318config NO_EXCEPT_FILL
1319	bool
1320
1321config SOC_EMMA2RH
1322	bool
1323	select CEVT_R4K
1324	select CSRC_R4K
1325	select DMA_NONCOHERENT
1326	select IRQ_MIPS_CPU
1327	select SWAP_IO_SPACE
1328	select SYS_HAS_CPU_R5500
1329	select SYS_SUPPORTS_32BIT_KERNEL
1330	select SYS_SUPPORTS_64BIT_KERNEL
1331	select SYS_SUPPORTS_BIG_ENDIAN
1332
1333config SOC_PNX833X
1334	bool
1335	select CEVT_R4K
1336	select CSRC_R4K
1337	select IRQ_MIPS_CPU
1338	select DMA_NONCOHERENT
1339	select SYS_HAS_CPU_MIPS32_R2
1340	select SYS_SUPPORTS_32BIT_KERNEL
1341	select SYS_SUPPORTS_LITTLE_ENDIAN
1342	select SYS_SUPPORTS_BIG_ENDIAN
1343	select SYS_SUPPORTS_MIPS16
1344	select CPU_MIPSR2_IRQ_VI
1345
1346config SOC_PNX8335
1347	bool
1348	select SOC_PNX833X
1349
1350config MIPS_SPRAM
1351	bool
1352
1353config SWAP_IO_SPACE
1354	bool
1355
1356config SGI_HAS_INDYDOG
1357	bool
1358
1359config SGI_HAS_HAL2
1360	bool
1361
1362config SGI_HAS_SEEQ
1363	bool
1364
1365config SGI_HAS_WD93
1366	bool
1367
1368config SGI_HAS_ZILOG
1369	bool
1370
1371config SGI_HAS_I8042
1372	bool
1373
1374config DEFAULT_SGI_PARTITION
1375	bool
1376
1377config FW_ARC32
1378	bool
1379
1380config FW_SNIPROM
1381	bool
1382
1383config BOOT_ELF32
1384	bool
1385
1386config MIPS_L1_CACHE_SHIFT_4
1387	bool
1388
1389config MIPS_L1_CACHE_SHIFT_5
1390	bool
1391
1392config MIPS_L1_CACHE_SHIFT_6
1393	bool
1394
1395config MIPS_L1_CACHE_SHIFT_7
1396	bool
1397
1398config MIPS_L1_CACHE_SHIFT
1399	int
1400	default "7" if MIPS_L1_CACHE_SHIFT_7
1401	default "6" if MIPS_L1_CACHE_SHIFT_6
1402	default "5" if MIPS_L1_CACHE_SHIFT_5
1403	default "4" if MIPS_L1_CACHE_SHIFT_4
1404	default "5"
1405
1406config HAVE_STD_PC_SERIAL_PORT
1407	bool
1408
1409config ARC_CMDLINE_ONLY
1410	bool
1411
1412config ARC_CONSOLE
1413	bool "ARC console support"
1414	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1415
1416config ARC_MEMORY
1417	bool
1418
1419config ARC_PROMLIB
1420	bool
1421
1422config FW_ARC64
1423	bool
1424
1425config BOOT_ELF64
1426	bool
1427
1428menu "CPU selection"
1429
1430choice
1431	prompt "CPU type"
1432	default CPU_R4X00
1433
1434config CPU_LOONGSON64
1435	bool "Loongson 64-bit CPU"
1436	depends on SYS_HAS_CPU_LOONGSON64
1437	select ARCH_HAS_PHYS_TO_DMA
1438	select CPU_MIPSR2
1439	select CPU_HAS_PREFETCH
1440	select CPU_SUPPORTS_64BIT_KERNEL
1441	select CPU_SUPPORTS_HIGHMEM
1442	select CPU_SUPPORTS_HUGEPAGES
1443	select CPU_SUPPORTS_MSA
1444	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1445	select CPU_MIPSR2_IRQ_VI
1446	select WEAK_ORDERING
1447	select WEAK_REORDERING_BEYOND_LLSC
1448	select MIPS_ASID_BITS_VARIABLE
1449	select MIPS_PGD_C0_CONTEXT
1450	select MIPS_L1_CACHE_SHIFT_6
1451	select GPIOLIB
1452	select SWIOTLB
1453	help
1454		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1455		cores implements the MIPS64R2 instruction set with many extensions,
1456		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1457		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1458		Loongson-2E/2F is not covered here and will be removed in future.
1459
1460config LOONGSON3_ENHANCEMENT
1461	bool "New Loongson-3 CPU Enhancements"
1462	default n
1463	depends on CPU_LOONGSON64
1464	help
1465	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1466	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1467	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1468	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1469	  Fast TLB refill support, etc.
1470
1471	  This option enable those enhancements which are not probed at run
1472	  time. If you want a generic kernel to run on all Loongson 3 machines,
1473	  please say 'N' here. If you want a high-performance kernel to run on
1474	  new Loongson-3 machines only, please say 'Y' here.
1475
1476config CPU_LOONGSON3_WORKAROUNDS
1477	bool "Old Loongson-3 LLSC Workarounds"
1478	default y if SMP
1479	depends on CPU_LOONGSON64
1480	help
1481	  Loongson-3 processors have the llsc issues which require workarounds.
1482	  Without workarounds the system may hang unexpectedly.
1483
1484	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1485	  The workarounds have no significant side effect on them but may
1486	  decrease the performance of the system so this option should be
1487	  disabled unless the kernel is intended to be run on old systems.
1488
1489	  If unsure, please say Y.
1490
1491config CPU_LOONGSON2E
1492	bool "Loongson 2E"
1493	depends on SYS_HAS_CPU_LOONGSON2E
1494	select CPU_LOONGSON2EF
1495	help
1496	  The Loongson 2E processor implements the MIPS III instruction set
1497	  with many extensions.
1498
1499	  It has an internal FPGA northbridge, which is compatible to
1500	  bonito64.
1501
1502config CPU_LOONGSON2F
1503	bool "Loongson 2F"
1504	depends on SYS_HAS_CPU_LOONGSON2F
1505	select CPU_LOONGSON2EF
1506	select GPIOLIB
1507	help
1508	  The Loongson 2F processor implements the MIPS III instruction set
1509	  with many extensions.
1510
1511	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1512	  have a similar programming interface with FPGA northbridge used in
1513	  Loongson2E.
1514
1515config CPU_LOONGSON1B
1516	bool "Loongson 1B"
1517	depends on SYS_HAS_CPU_LOONGSON1B
1518	select CPU_LOONGSON32
1519	select LEDS_GPIO_REGISTER
1520	help
1521	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1522	  Release 1 instruction set and part of the MIPS32 Release 2
1523	  instruction set.
1524
1525config CPU_LOONGSON1C
1526	bool "Loongson 1C"
1527	depends on SYS_HAS_CPU_LOONGSON1C
1528	select CPU_LOONGSON32
1529	select LEDS_GPIO_REGISTER
1530	help
1531	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1532	  Release 1 instruction set and part of the MIPS32 Release 2
1533	  instruction set.
1534
1535config CPU_MIPS32_R1
1536	bool "MIPS32 Release 1"
1537	depends on SYS_HAS_CPU_MIPS32_R1
1538	select CPU_HAS_PREFETCH
1539	select CPU_SUPPORTS_32BIT_KERNEL
1540	select CPU_SUPPORTS_HIGHMEM
1541	help
1542	  Choose this option to build a kernel for release 1 or later of the
1543	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1544	  MIPS processor are based on a MIPS32 processor.  If you know the
1545	  specific type of processor in your system, choose those that one
1546	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1547	  Release 2 of the MIPS32 architecture is available since several
1548	  years so chances are you even have a MIPS32 Release 2 processor
1549	  in which case you should choose CPU_MIPS32_R2 instead for better
1550	  performance.
1551
1552config CPU_MIPS32_R2
1553	bool "MIPS32 Release 2"
1554	depends on SYS_HAS_CPU_MIPS32_R2
1555	select CPU_HAS_PREFETCH
1556	select CPU_SUPPORTS_32BIT_KERNEL
1557	select CPU_SUPPORTS_HIGHMEM
1558	select CPU_SUPPORTS_MSA
1559	select HAVE_KVM
1560	help
1561	  Choose this option to build a kernel for release 2 or later of the
1562	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1563	  MIPS processor are based on a MIPS32 processor.  If you know the
1564	  specific type of processor in your system, choose those that one
1565	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1566
1567config CPU_MIPS32_R6
1568	bool "MIPS32 Release 6"
1569	depends on SYS_HAS_CPU_MIPS32_R6
1570	select CPU_HAS_PREFETCH
1571	select CPU_NO_LOAD_STORE_LR
1572	select CPU_SUPPORTS_32BIT_KERNEL
1573	select CPU_SUPPORTS_HIGHMEM
1574	select CPU_SUPPORTS_MSA
1575	select HAVE_KVM
1576	select MIPS_O32_FP64_SUPPORT
1577	help
1578	  Choose this option to build a kernel for release 6 or later of the
1579	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1580	  family, are based on a MIPS32r6 processor. If you own an older
1581	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1582
1583config CPU_MIPS64_R1
1584	bool "MIPS64 Release 1"
1585	depends on SYS_HAS_CPU_MIPS64_R1
1586	select CPU_HAS_PREFETCH
1587	select CPU_SUPPORTS_32BIT_KERNEL
1588	select CPU_SUPPORTS_64BIT_KERNEL
1589	select CPU_SUPPORTS_HIGHMEM
1590	select CPU_SUPPORTS_HUGEPAGES
1591	help
1592	  Choose this option to build a kernel for release 1 or later of the
1593	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1594	  MIPS processor are based on a MIPS64 processor.  If you know the
1595	  specific type of processor in your system, choose those that one
1596	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1597	  Release 2 of the MIPS64 architecture is available since several
1598	  years so chances are you even have a MIPS64 Release 2 processor
1599	  in which case you should choose CPU_MIPS64_R2 instead for better
1600	  performance.
1601
1602config CPU_MIPS64_R2
1603	bool "MIPS64 Release 2"
1604	depends on SYS_HAS_CPU_MIPS64_R2
1605	select CPU_HAS_PREFETCH
1606	select CPU_SUPPORTS_32BIT_KERNEL
1607	select CPU_SUPPORTS_64BIT_KERNEL
1608	select CPU_SUPPORTS_HIGHMEM
1609	select CPU_SUPPORTS_HUGEPAGES
1610	select CPU_SUPPORTS_MSA
1611	select HAVE_KVM
1612	help
1613	  Choose this option to build a kernel for release 2 or later of the
1614	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1615	  MIPS processor are based on a MIPS64 processor.  If you know the
1616	  specific type of processor in your system, choose those that one
1617	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1618
1619config CPU_MIPS64_R6
1620	bool "MIPS64 Release 6"
1621	depends on SYS_HAS_CPU_MIPS64_R6
1622	select CPU_HAS_PREFETCH
1623	select CPU_NO_LOAD_STORE_LR
1624	select CPU_SUPPORTS_32BIT_KERNEL
1625	select CPU_SUPPORTS_64BIT_KERNEL
1626	select CPU_SUPPORTS_HIGHMEM
1627	select CPU_SUPPORTS_HUGEPAGES
1628	select CPU_SUPPORTS_MSA
1629	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1630	select HAVE_KVM
1631	help
1632	  Choose this option to build a kernel for release 6 or later of the
1633	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1634	  family, are based on a MIPS64r6 processor. If you own an older
1635	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1636
1637config CPU_R3000
1638	bool "R3000"
1639	depends on SYS_HAS_CPU_R3000
1640	select CPU_HAS_WB
1641	select CPU_R3K_TLB
1642	select CPU_SUPPORTS_32BIT_KERNEL
1643	select CPU_SUPPORTS_HIGHMEM
1644	help
1645	  Please make sure to pick the right CPU type. Linux/MIPS is not
1646	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1647	  *not* work on R4000 machines and vice versa.  However, since most
1648	  of the supported machines have an R4000 (or similar) CPU, R4x00
1649	  might be a safe bet.  If the resulting kernel does not work,
1650	  try to recompile with R3000.
1651
1652config CPU_TX39XX
1653	bool "R39XX"
1654	depends on SYS_HAS_CPU_TX39XX
1655	select CPU_SUPPORTS_32BIT_KERNEL
1656	select CPU_R3K_TLB
1657
1658config CPU_VR41XX
1659	bool "R41xx"
1660	depends on SYS_HAS_CPU_VR41XX
1661	select CPU_SUPPORTS_32BIT_KERNEL
1662	select CPU_SUPPORTS_64BIT_KERNEL
1663	help
1664	  The options selects support for the NEC VR4100 series of processors.
1665	  Only choose this option if you have one of these processors as a
1666	  kernel built with this option will not run on any other type of
1667	  processor or vice versa.
1668
1669config CPU_R4X00
1670	bool "R4x00"
1671	depends on SYS_HAS_CPU_R4X00
1672	select CPU_SUPPORTS_32BIT_KERNEL
1673	select CPU_SUPPORTS_64BIT_KERNEL
1674	select CPU_SUPPORTS_HUGEPAGES
1675	help
1676	  MIPS Technologies R4000-series processors other than 4300, including
1677	  the R4000, R4400, R4600, and 4700.
1678
1679config CPU_TX49XX
1680	bool "R49XX"
1681	depends on SYS_HAS_CPU_TX49XX
1682	select CPU_HAS_PREFETCH
1683	select CPU_SUPPORTS_32BIT_KERNEL
1684	select CPU_SUPPORTS_64BIT_KERNEL
1685	select CPU_SUPPORTS_HUGEPAGES
1686
1687config CPU_R5000
1688	bool "R5000"
1689	depends on SYS_HAS_CPU_R5000
1690	select CPU_SUPPORTS_32BIT_KERNEL
1691	select CPU_SUPPORTS_64BIT_KERNEL
1692	select CPU_SUPPORTS_HUGEPAGES
1693	help
1694	  MIPS Technologies R5000-series processors other than the Nevada.
1695
1696config CPU_R5500
1697	bool "R5500"
1698	depends on SYS_HAS_CPU_R5500
1699	select CPU_SUPPORTS_32BIT_KERNEL
1700	select CPU_SUPPORTS_64BIT_KERNEL
1701	select CPU_SUPPORTS_HUGEPAGES
1702	help
1703	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1704	  instruction set.
1705
1706config CPU_NEVADA
1707	bool "RM52xx"
1708	depends on SYS_HAS_CPU_NEVADA
1709	select CPU_SUPPORTS_32BIT_KERNEL
1710	select CPU_SUPPORTS_64BIT_KERNEL
1711	select CPU_SUPPORTS_HUGEPAGES
1712	help
1713	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1714
1715config CPU_R10000
1716	bool "R10000"
1717	depends on SYS_HAS_CPU_R10000
1718	select CPU_HAS_PREFETCH
1719	select CPU_SUPPORTS_32BIT_KERNEL
1720	select CPU_SUPPORTS_64BIT_KERNEL
1721	select CPU_SUPPORTS_HIGHMEM
1722	select CPU_SUPPORTS_HUGEPAGES
1723	help
1724	  MIPS Technologies R10000-series processors.
1725
1726config CPU_RM7000
1727	bool "RM7000"
1728	depends on SYS_HAS_CPU_RM7000
1729	select CPU_HAS_PREFETCH
1730	select CPU_SUPPORTS_32BIT_KERNEL
1731	select CPU_SUPPORTS_64BIT_KERNEL
1732	select CPU_SUPPORTS_HIGHMEM
1733	select CPU_SUPPORTS_HUGEPAGES
1734
1735config CPU_SB1
1736	bool "SB1"
1737	depends on SYS_HAS_CPU_SB1
1738	select CPU_SUPPORTS_32BIT_KERNEL
1739	select CPU_SUPPORTS_64BIT_KERNEL
1740	select CPU_SUPPORTS_HIGHMEM
1741	select CPU_SUPPORTS_HUGEPAGES
1742	select WEAK_ORDERING
1743
1744config CPU_CAVIUM_OCTEON
1745	bool "Cavium Octeon processor"
1746	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1747	select CPU_HAS_PREFETCH
1748	select CPU_SUPPORTS_64BIT_KERNEL
1749	select WEAK_ORDERING
1750	select CPU_SUPPORTS_HIGHMEM
1751	select CPU_SUPPORTS_HUGEPAGES
1752	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1753	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1754	select MIPS_L1_CACHE_SHIFT_7
1755	select HAVE_KVM
1756	help
1757	  The Cavium Octeon processor is a highly integrated chip containing
1758	  many ethernet hardware widgets for networking tasks. The processor
1759	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1760	  Full details can be found at http://www.caviumnetworks.com.
1761
1762config CPU_BMIPS
1763	bool "Broadcom BMIPS"
1764	depends on SYS_HAS_CPU_BMIPS
1765	select CPU_MIPS32
1766	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1767	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1768	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1769	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1770	select CPU_SUPPORTS_32BIT_KERNEL
1771	select DMA_NONCOHERENT
1772	select IRQ_MIPS_CPU
1773	select SWAP_IO_SPACE
1774	select WEAK_ORDERING
1775	select CPU_SUPPORTS_HIGHMEM
1776	select CPU_HAS_PREFETCH
1777	select CPU_SUPPORTS_CPUFREQ
1778	select MIPS_EXTERNAL_TIMER
1779	help
1780	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1781
1782config CPU_XLR
1783	bool "Netlogic XLR SoC"
1784	depends on SYS_HAS_CPU_XLR
1785	select CPU_SUPPORTS_32BIT_KERNEL
1786	select CPU_SUPPORTS_64BIT_KERNEL
1787	select CPU_SUPPORTS_HIGHMEM
1788	select CPU_SUPPORTS_HUGEPAGES
1789	select WEAK_ORDERING
1790	select WEAK_REORDERING_BEYOND_LLSC
1791	help
1792	  Netlogic Microsystems XLR/XLS processors.
1793
1794config CPU_XLP
1795	bool "Netlogic XLP SoC"
1796	depends on SYS_HAS_CPU_XLP
1797	select CPU_SUPPORTS_32BIT_KERNEL
1798	select CPU_SUPPORTS_64BIT_KERNEL
1799	select CPU_SUPPORTS_HIGHMEM
1800	select WEAK_ORDERING
1801	select WEAK_REORDERING_BEYOND_LLSC
1802	select CPU_HAS_PREFETCH
1803	select CPU_MIPSR2
1804	select CPU_SUPPORTS_HUGEPAGES
1805	select MIPS_ASID_BITS_VARIABLE
1806	help
1807	  Netlogic Microsystems XLP processors.
1808endchoice
1809
1810config CPU_MIPS32_3_5_FEATURES
1811	bool "MIPS32 Release 3.5 Features"
1812	depends on SYS_HAS_CPU_MIPS32_R3_5
1813	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1814	help
1815	  Choose this option to build a kernel for release 2 or later of the
1816	  MIPS32 architecture including features from the 3.5 release such as
1817	  support for Enhanced Virtual Addressing (EVA).
1818
1819config CPU_MIPS32_3_5_EVA
1820	bool "Enhanced Virtual Addressing (EVA)"
1821	depends on CPU_MIPS32_3_5_FEATURES
1822	select EVA
1823	default y
1824	help
1825	  Choose this option if you want to enable the Enhanced Virtual
1826	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1827	  One of its primary benefits is an increase in the maximum size
1828	  of lowmem (up to 3GB). If unsure, say 'N' here.
1829
1830config CPU_MIPS32_R5_FEATURES
1831	bool "MIPS32 Release 5 Features"
1832	depends on SYS_HAS_CPU_MIPS32_R5
1833	depends on CPU_MIPS32_R2
1834	help
1835	  Choose this option to build a kernel for release 2 or later of the
1836	  MIPS32 architecture including features from release 5 such as
1837	  support for Extended Physical Addressing (XPA).
1838
1839config CPU_MIPS32_R5_XPA
1840	bool "Extended Physical Addressing (XPA)"
1841	depends on CPU_MIPS32_R5_FEATURES
1842	depends on !EVA
1843	depends on !PAGE_SIZE_4KB
1844	depends on SYS_SUPPORTS_HIGHMEM
1845	select XPA
1846	select HIGHMEM
1847	select PHYS_ADDR_T_64BIT
1848	default n
1849	help
1850	  Choose this option if you want to enable the Extended Physical
1851	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1852	  benefit is to increase physical addressing equal to or greater
1853	  than 40 bits. Note that this has the side effect of turning on
1854	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1855	  If unsure, say 'N' here.
1856
1857if CPU_LOONGSON2F
1858config CPU_NOP_WORKAROUNDS
1859	bool
1860
1861config CPU_JUMP_WORKAROUNDS
1862	bool
1863
1864config CPU_LOONGSON2F_WORKAROUNDS
1865	bool "Loongson 2F Workarounds"
1866	default y
1867	select CPU_NOP_WORKAROUNDS
1868	select CPU_JUMP_WORKAROUNDS
1869	help
1870	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1871	  require workarounds.  Without workarounds the system may hang
1872	  unexpectedly.  For more information please refer to the gas
1873	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1874
1875	  Loongson 2F03 and later have fixed these issues and no workarounds
1876	  are needed.  The workarounds have no significant side effect on them
1877	  but may decrease the performance of the system so this option should
1878	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1879	  systems.
1880
1881	  If unsure, please say Y.
1882endif # CPU_LOONGSON2F
1883
1884config SYS_SUPPORTS_ZBOOT
1885	bool
1886	select HAVE_KERNEL_GZIP
1887	select HAVE_KERNEL_BZIP2
1888	select HAVE_KERNEL_LZ4
1889	select HAVE_KERNEL_LZMA
1890	select HAVE_KERNEL_LZO
1891	select HAVE_KERNEL_XZ
1892
1893config SYS_SUPPORTS_ZBOOT_UART16550
1894	bool
1895	select SYS_SUPPORTS_ZBOOT
1896
1897config SYS_SUPPORTS_ZBOOT_UART_PROM
1898	bool
1899	select SYS_SUPPORTS_ZBOOT
1900
1901config CPU_LOONGSON2EF
1902	bool
1903	select CPU_SUPPORTS_32BIT_KERNEL
1904	select CPU_SUPPORTS_64BIT_KERNEL
1905	select CPU_SUPPORTS_HIGHMEM
1906	select CPU_SUPPORTS_HUGEPAGES
1907	select ARCH_HAS_PHYS_TO_DMA
1908
1909config CPU_LOONGSON32
1910	bool
1911	select CPU_MIPS32
1912	select CPU_MIPSR2
1913	select CPU_HAS_PREFETCH
1914	select CPU_SUPPORTS_32BIT_KERNEL
1915	select CPU_SUPPORTS_HIGHMEM
1916	select CPU_SUPPORTS_CPUFREQ
1917
1918config CPU_BMIPS32_3300
1919	select SMP_UP if SMP
1920	bool
1921
1922config CPU_BMIPS4350
1923	bool
1924	select SYS_SUPPORTS_SMP
1925	select SYS_SUPPORTS_HOTPLUG_CPU
1926
1927config CPU_BMIPS4380
1928	bool
1929	select MIPS_L1_CACHE_SHIFT_6
1930	select SYS_SUPPORTS_SMP
1931	select SYS_SUPPORTS_HOTPLUG_CPU
1932	select CPU_HAS_RIXI
1933
1934config CPU_BMIPS5000
1935	bool
1936	select MIPS_CPU_SCACHE
1937	select MIPS_L1_CACHE_SHIFT_7
1938	select SYS_SUPPORTS_SMP
1939	select SYS_SUPPORTS_HOTPLUG_CPU
1940	select CPU_HAS_RIXI
1941
1942config SYS_HAS_CPU_LOONGSON64
1943	bool
1944	select CPU_SUPPORTS_CPUFREQ
1945	select CPU_HAS_RIXI
1946
1947config SYS_HAS_CPU_LOONGSON2E
1948	bool
1949
1950config SYS_HAS_CPU_LOONGSON2F
1951	bool
1952	select CPU_SUPPORTS_CPUFREQ
1953	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1954
1955config SYS_HAS_CPU_LOONGSON1B
1956	bool
1957
1958config SYS_HAS_CPU_LOONGSON1C
1959	bool
1960
1961config SYS_HAS_CPU_MIPS32_R1
1962	bool
1963
1964config SYS_HAS_CPU_MIPS32_R2
1965	bool
1966
1967config SYS_HAS_CPU_MIPS32_R3_5
1968	bool
1969
1970config SYS_HAS_CPU_MIPS32_R5
1971	bool
1972	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1973
1974config SYS_HAS_CPU_MIPS32_R6
1975	bool
1976	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1977
1978config SYS_HAS_CPU_MIPS64_R1
1979	bool
1980
1981config SYS_HAS_CPU_MIPS64_R2
1982	bool
1983
1984config SYS_HAS_CPU_MIPS64_R6
1985	bool
1986	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1987
1988config SYS_HAS_CPU_R3000
1989	bool
1990
1991config SYS_HAS_CPU_TX39XX
1992	bool
1993
1994config SYS_HAS_CPU_VR41XX
1995	bool
1996
1997config SYS_HAS_CPU_R4X00
1998	bool
1999
2000config SYS_HAS_CPU_TX49XX
2001	bool
2002
2003config SYS_HAS_CPU_R5000
2004	bool
2005
2006config SYS_HAS_CPU_R5500
2007	bool
2008
2009config SYS_HAS_CPU_NEVADA
2010	bool
2011
2012config SYS_HAS_CPU_R10000
2013	bool
2014	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2015
2016config SYS_HAS_CPU_RM7000
2017	bool
2018
2019config SYS_HAS_CPU_SB1
2020	bool
2021
2022config SYS_HAS_CPU_CAVIUM_OCTEON
2023	bool
2024
2025config SYS_HAS_CPU_BMIPS
2026	bool
2027
2028config SYS_HAS_CPU_BMIPS32_3300
2029	bool
2030	select SYS_HAS_CPU_BMIPS
2031
2032config SYS_HAS_CPU_BMIPS4350
2033	bool
2034	select SYS_HAS_CPU_BMIPS
2035
2036config SYS_HAS_CPU_BMIPS4380
2037	bool
2038	select SYS_HAS_CPU_BMIPS
2039
2040config SYS_HAS_CPU_BMIPS5000
2041	bool
2042	select SYS_HAS_CPU_BMIPS
2043	select ARCH_HAS_SYNC_DMA_FOR_CPU
2044
2045config SYS_HAS_CPU_XLR
2046	bool
2047
2048config SYS_HAS_CPU_XLP
2049	bool
2050
2051#
2052# CPU may reorder R->R, R->W, W->R, W->W
2053# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2054#
2055config WEAK_ORDERING
2056	bool
2057
2058#
2059# CPU may reorder reads and writes beyond LL/SC
2060# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2061#
2062config WEAK_REORDERING_BEYOND_LLSC
2063	bool
2064endmenu
2065
2066#
2067# These two indicate any level of the MIPS32 and MIPS64 architecture
2068#
2069config CPU_MIPS32
2070	bool
2071	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2072
2073config CPU_MIPS64
2074	bool
2075	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2076
2077#
2078# These indicate the revision of the architecture
2079#
2080config CPU_MIPSR1
2081	bool
2082	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2083
2084config CPU_MIPSR2
2085	bool
2086	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2087	select CPU_HAS_RIXI
2088	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2089	select MIPS_SPRAM
2090
2091config CPU_MIPSR6
2092	bool
2093	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2094	select CPU_HAS_RIXI
2095	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2096	select HAVE_ARCH_BITREVERSE
2097	select MIPS_ASID_BITS_VARIABLE
2098	select MIPS_CRC_SUPPORT
2099	select MIPS_SPRAM
2100
2101config TARGET_ISA_REV
2102	int
2103	default 1 if CPU_MIPSR1
2104	default 2 if CPU_MIPSR2
2105	default 6 if CPU_MIPSR6
2106	default 0
2107	help
2108	  Reflects the ISA revision being targeted by the kernel build. This
2109	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2110
2111config EVA
2112	bool
2113
2114config XPA
2115	bool
2116
2117config SYS_SUPPORTS_32BIT_KERNEL
2118	bool
2119config SYS_SUPPORTS_64BIT_KERNEL
2120	bool
2121config CPU_SUPPORTS_32BIT_KERNEL
2122	bool
2123config CPU_SUPPORTS_64BIT_KERNEL
2124	bool
2125config CPU_SUPPORTS_CPUFREQ
2126	bool
2127config CPU_SUPPORTS_ADDRWINCFG
2128	bool
2129config CPU_SUPPORTS_HUGEPAGES
2130	bool
2131	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2132config MIPS_PGD_C0_CONTEXT
2133	bool
2134	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2135
2136#
2137# Set to y for ptrace access to watch registers.
2138#
2139config HARDWARE_WATCHPOINTS
2140	bool
2141	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2142
2143menu "Kernel type"
2144
2145choice
2146	prompt "Kernel code model"
2147	help
2148	  You should only select this option if you have a workload that
2149	  actually benefits from 64-bit processing or if your machine has
2150	  large memory.  You will only be presented a single option in this
2151	  menu if your system does not support both 32-bit and 64-bit kernels.
2152
2153config 32BIT
2154	bool "32-bit kernel"
2155	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2156	select TRAD_SIGNALS
2157	help
2158	  Select this option if you want to build a 32-bit kernel.
2159
2160config 64BIT
2161	bool "64-bit kernel"
2162	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2163	help
2164	  Select this option if you want to build a 64-bit kernel.
2165
2166endchoice
2167
2168config KVM_GUEST
2169	bool "KVM Guest Kernel"
2170	depends on BROKEN_ON_SMP
2171	help
2172	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2173	  mode.
2174
2175config KVM_GUEST_TIMER_FREQ
2176	int "Count/Compare Timer Frequency (MHz)"
2177	depends on KVM_GUEST
2178	default 100
2179	help
2180	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2181	  emulation when determining guest CPU Frequency. Instead, the guest's
2182	  timer frequency is specified directly.
2183
2184config MIPS_VA_BITS_48
2185	bool "48 bits virtual memory"
2186	depends on 64BIT
2187	help
2188	  Support a maximum at least 48 bits of application virtual
2189	  memory.  Default is 40 bits or less, depending on the CPU.
2190	  For page sizes 16k and above, this option results in a small
2191	  memory overhead for page tables.  For 4k page size, a fourth
2192	  level of page tables is added which imposes both a memory
2193	  overhead as well as slower TLB fault handling.
2194
2195	  If unsure, say N.
2196
2197choice
2198	prompt "Kernel page size"
2199	default PAGE_SIZE_4KB
2200
2201config PAGE_SIZE_4KB
2202	bool "4kB"
2203	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
2204	help
2205	  This option select the standard 4kB Linux page size.  On some
2206	  R3000-family processors this is the only available page size.  Using
2207	  4kB page size will minimize memory consumption and is therefore
2208	  recommended for low memory systems.
2209
2210config PAGE_SIZE_8KB
2211	bool "8kB"
2212	depends on CPU_CAVIUM_OCTEON
2213	depends on !MIPS_VA_BITS_48
2214	help
2215	  Using 8kB page size will result in higher performance kernel at
2216	  the price of higher memory consumption.  This option is available
2217	  only on cnMIPS processors.  Note that you will need a suitable Linux
2218	  distribution to support this.
2219
2220config PAGE_SIZE_16KB
2221	bool "16kB"
2222	depends on !CPU_R3000 && !CPU_TX39XX
2223	help
2224	  Using 16kB page size will result in higher performance kernel at
2225	  the price of higher memory consumption.  This option is available on
2226	  all non-R3000 family processors.  Note that you will need a suitable
2227	  Linux distribution to support this.
2228
2229config PAGE_SIZE_32KB
2230	bool "32kB"
2231	depends on CPU_CAVIUM_OCTEON
2232	depends on !MIPS_VA_BITS_48
2233	help
2234	  Using 32kB page size will result in higher performance kernel at
2235	  the price of higher memory consumption.  This option is available
2236	  only on cnMIPS cores.  Note that you will need a suitable Linux
2237	  distribution to support this.
2238
2239config PAGE_SIZE_64KB
2240	bool "64kB"
2241	depends on !CPU_R3000 && !CPU_TX39XX
2242	help
2243	  Using 64kB page size will result in higher performance kernel at
2244	  the price of higher memory consumption.  This option is available on
2245	  all non-R3000 family processor.  Not that at the time of this
2246	  writing this option is still high experimental.
2247
2248endchoice
2249
2250config FORCE_MAX_ZONEORDER
2251	int "Maximum zone order"
2252	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2253	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2254	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2255	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2256	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2257	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2258	range 11 64
2259	default "11"
2260	help
2261	  The kernel memory allocator divides physically contiguous memory
2262	  blocks into "zones", where each zone is a power of two number of
2263	  pages.  This option selects the largest power of two that the kernel
2264	  keeps in the memory allocator.  If you need to allocate very large
2265	  blocks of physically contiguous memory, then you may need to
2266	  increase this value.
2267
2268	  This config option is actually maximum order plus one. For example,
2269	  a value of 11 means that the largest free memory block is 2^10 pages.
2270
2271	  The page size is not necessarily 4KB.  Keep this in mind
2272	  when choosing a value for this option.
2273
2274config BOARD_SCACHE
2275	bool
2276
2277config IP22_CPU_SCACHE
2278	bool
2279	select BOARD_SCACHE
2280
2281#
2282# Support for a MIPS32 / MIPS64 style S-caches
2283#
2284config MIPS_CPU_SCACHE
2285	bool
2286	select BOARD_SCACHE
2287
2288config R5000_CPU_SCACHE
2289	bool
2290	select BOARD_SCACHE
2291
2292config RM7000_CPU_SCACHE
2293	bool
2294	select BOARD_SCACHE
2295
2296config SIBYTE_DMA_PAGEOPS
2297	bool "Use DMA to clear/copy pages"
2298	depends on CPU_SB1
2299	help
2300	  Instead of using the CPU to zero and copy pages, use a Data Mover
2301	  channel.  These DMA channels are otherwise unused by the standard
2302	  SiByte Linux port.  Seems to give a small performance benefit.
2303
2304config CPU_HAS_PREFETCH
2305	bool
2306
2307config CPU_GENERIC_DUMP_TLB
2308	bool
2309	default y if !(CPU_R3000 || CPU_TX39XX)
2310
2311config MIPS_FP_SUPPORT
2312	bool "Floating Point support" if EXPERT
2313	default y
2314	help
2315	  Select y to include support for floating point in the kernel
2316	  including initialization of FPU hardware, FP context save & restore
2317	  and emulation of an FPU where necessary. Without this support any
2318	  userland program attempting to use floating point instructions will
2319	  receive a SIGILL.
2320
2321	  If you know that your userland will not attempt to use floating point
2322	  instructions then you can say n here to shrink the kernel a little.
2323
2324	  If unsure, say y.
2325
2326config CPU_R2300_FPU
2327	bool
2328	depends on MIPS_FP_SUPPORT
2329	default y if CPU_R3000 || CPU_TX39XX
2330
2331config CPU_R3K_TLB
2332	bool
2333
2334config CPU_R4K_FPU
2335	bool
2336	depends on MIPS_FP_SUPPORT
2337	default y if !CPU_R2300_FPU
2338
2339config CPU_R4K_CACHE_TLB
2340	bool
2341	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2342
2343config MIPS_MT_SMP
2344	bool "MIPS MT SMP support (1 TC on each available VPE)"
2345	default y
2346	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2347	select CPU_MIPSR2_IRQ_VI
2348	select CPU_MIPSR2_IRQ_EI
2349	select SYNC_R4K
2350	select MIPS_MT
2351	select SMP
2352	select SMP_UP
2353	select SYS_SUPPORTS_SMP
2354	select SYS_SUPPORTS_SCHED_SMT
2355	select MIPS_PERF_SHARED_TC_COUNTERS
2356	help
2357	  This is a kernel model which is known as SMVP. This is supported
2358	  on cores with the MT ASE and uses the available VPEs to implement
2359	  virtual processors which supports SMP. This is equivalent to the
2360	  Intel Hyperthreading feature. For further information go to
2361	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2362
2363config MIPS_MT
2364	bool
2365
2366config SCHED_SMT
2367	bool "SMT (multithreading) scheduler support"
2368	depends on SYS_SUPPORTS_SCHED_SMT
2369	default n
2370	help
2371	  SMT scheduler support improves the CPU scheduler's decision making
2372	  when dealing with MIPS MT enabled cores at a cost of slightly
2373	  increased overhead in some places. If unsure say N here.
2374
2375config SYS_SUPPORTS_SCHED_SMT
2376	bool
2377
2378config SYS_SUPPORTS_MULTITHREADING
2379	bool
2380
2381config MIPS_MT_FPAFF
2382	bool "Dynamic FPU affinity for FP-intensive threads"
2383	default y
2384	depends on MIPS_MT_SMP
2385
2386config MIPSR2_TO_R6_EMULATOR
2387	bool "MIPS R2-to-R6 emulator"
2388	depends on CPU_MIPSR6
2389	depends on MIPS_FP_SUPPORT
2390	default y
2391	help
2392	  Choose this option if you want to run non-R6 MIPS userland code.
2393	  Even if you say 'Y' here, the emulator will still be disabled by
2394	  default. You can enable it using the 'mipsr2emu' kernel option.
2395	  The only reason this is a build-time option is to save ~14K from the
2396	  final kernel image.
2397
2398config SYS_SUPPORTS_VPE_LOADER
2399	bool
2400	depends on SYS_SUPPORTS_MULTITHREADING
2401	help
2402	  Indicates that the platform supports the VPE loader, and provides
2403	  physical_memsize.
2404
2405config MIPS_VPE_LOADER
2406	bool "VPE loader support."
2407	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2408	select CPU_MIPSR2_IRQ_VI
2409	select CPU_MIPSR2_IRQ_EI
2410	select MIPS_MT
2411	help
2412	  Includes a loader for loading an elf relocatable object
2413	  onto another VPE and running it.
2414
2415config MIPS_VPE_LOADER_CMP
2416	bool
2417	default "y"
2418	depends on MIPS_VPE_LOADER && MIPS_CMP
2419
2420config MIPS_VPE_LOADER_MT
2421	bool
2422	default "y"
2423	depends on MIPS_VPE_LOADER && !MIPS_CMP
2424
2425config MIPS_VPE_LOADER_TOM
2426	bool "Load VPE program into memory hidden from linux"
2427	depends on MIPS_VPE_LOADER
2428	default y
2429	help
2430	  The loader can use memory that is present but has been hidden from
2431	  Linux using the kernel command line option "mem=xxMB". It's up to
2432	  you to ensure the amount you put in the option and the space your
2433	  program requires is less or equal to the amount physically present.
2434
2435config MIPS_VPE_APSP_API
2436	bool "Enable support for AP/SP API (RTLX)"
2437	depends on MIPS_VPE_LOADER
2438
2439config MIPS_VPE_APSP_API_CMP
2440	bool
2441	default "y"
2442	depends on MIPS_VPE_APSP_API && MIPS_CMP
2443
2444config MIPS_VPE_APSP_API_MT
2445	bool
2446	default "y"
2447	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2448
2449config MIPS_CMP
2450	bool "MIPS CMP framework support (DEPRECATED)"
2451	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2452	select SMP
2453	select SYNC_R4K
2454	select SYS_SUPPORTS_SMP
2455	select WEAK_ORDERING
2456	default n
2457	help
2458	  Select this if you are using a bootloader which implements the "CMP
2459	  framework" protocol (ie. YAMON) and want your kernel to make use of
2460	  its ability to start secondary CPUs.
2461
2462	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2463	  instead of this.
2464
2465config MIPS_CPS
2466	bool "MIPS Coherent Processing System support"
2467	depends on SYS_SUPPORTS_MIPS_CPS
2468	select MIPS_CM
2469	select MIPS_CPS_PM if HOTPLUG_CPU
2470	select SMP
2471	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2472	select SYS_SUPPORTS_HOTPLUG_CPU
2473	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2474	select SYS_SUPPORTS_SMP
2475	select WEAK_ORDERING
2476	help
2477	  Select this if you wish to run an SMP kernel across multiple cores
2478	  within a MIPS Coherent Processing System. When this option is
2479	  enabled the kernel will probe for other cores and boot them with
2480	  no external assistance. It is safe to enable this when hardware
2481	  support is unavailable.
2482
2483config MIPS_CPS_PM
2484	depends on MIPS_CPS
2485	bool
2486
2487config MIPS_CM
2488	bool
2489	select MIPS_CPC
2490
2491config MIPS_CPC
2492	bool
2493
2494config SB1_PASS_2_WORKAROUNDS
2495	bool
2496	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2497	default y
2498
2499config SB1_PASS_2_1_WORKAROUNDS
2500	bool
2501	depends on CPU_SB1 && CPU_SB1_PASS_2
2502	default y
2503
2504choice
2505	prompt "SmartMIPS or microMIPS ASE support"
2506
2507config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2508	bool "None"
2509	help
2510	  Select this if you want neither microMIPS nor SmartMIPS support
2511
2512config CPU_HAS_SMARTMIPS
2513	depends on SYS_SUPPORTS_SMARTMIPS
2514	bool "SmartMIPS"
2515	help
2516	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2517	  increased security at both hardware and software level for
2518	  smartcards.  Enabling this option will allow proper use of the
2519	  SmartMIPS instructions by Linux applications.  However a kernel with
2520	  this option will not work on a MIPS core without SmartMIPS core.  If
2521	  you don't know you probably don't have SmartMIPS and should say N
2522	  here.
2523
2524config CPU_MICROMIPS
2525	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2526	bool "microMIPS"
2527	help
2528	  When this option is enabled the kernel will be built using the
2529	  microMIPS ISA
2530
2531endchoice
2532
2533config CPU_HAS_MSA
2534	bool "Support for the MIPS SIMD Architecture"
2535	depends on CPU_SUPPORTS_MSA
2536	depends on MIPS_FP_SUPPORT
2537	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2538	help
2539	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2540	  and a set of SIMD instructions to operate on them. When this option
2541	  is enabled the kernel will support allocating & switching MSA
2542	  vector register contexts. If you know that your kernel will only be
2543	  running on CPUs which do not support MSA or that your userland will
2544	  not be making use of it then you may wish to say N here to reduce
2545	  the size & complexity of your kernel.
2546
2547	  If unsure, say Y.
2548
2549config CPU_HAS_WB
2550	bool
2551
2552config XKS01
2553	bool
2554
2555config CPU_HAS_DIEI
2556	depends on !CPU_DIEI_BROKEN
2557	bool
2558
2559config CPU_DIEI_BROKEN
2560	bool
2561
2562config CPU_HAS_RIXI
2563	bool
2564
2565config CPU_NO_LOAD_STORE_LR
2566	bool
2567	help
2568	  CPU lacks support for unaligned load and store instructions:
2569	  LWL, LWR, SWL, SWR (Load/store word left/right).
2570	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2571	  systems).
2572
2573#
2574# Vectored interrupt mode is an R2 feature
2575#
2576config CPU_MIPSR2_IRQ_VI
2577	bool
2578
2579#
2580# Extended interrupt mode is an R2 feature
2581#
2582config CPU_MIPSR2_IRQ_EI
2583	bool
2584
2585config CPU_HAS_SYNC
2586	bool
2587	depends on !CPU_R3000
2588	default y
2589
2590#
2591# CPU non-features
2592#
2593config CPU_DADDI_WORKAROUNDS
2594	bool
2595
2596config CPU_R4000_WORKAROUNDS
2597	bool
2598	select CPU_R4400_WORKAROUNDS
2599
2600config CPU_R4400_WORKAROUNDS
2601	bool
2602
2603config CPU_R4X00_BUGS64
2604	bool
2605	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2606
2607config MIPS_ASID_SHIFT
2608	int
2609	default 6 if CPU_R3000 || CPU_TX39XX
2610	default 0
2611
2612config MIPS_ASID_BITS
2613	int
2614	default 0 if MIPS_ASID_BITS_VARIABLE
2615	default 6 if CPU_R3000 || CPU_TX39XX
2616	default 8
2617
2618config MIPS_ASID_BITS_VARIABLE
2619	bool
2620
2621config MIPS_CRC_SUPPORT
2622	bool
2623
2624#
2625# - Highmem only makes sense for the 32-bit kernel.
2626# - The current highmem code will only work properly on physically indexed
2627#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2628#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2629#   moment we protect the user and offer the highmem option only on machines
2630#   where it's known to be safe.  This will not offer highmem on a few systems
2631#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2632#   indexed CPUs but we're playing safe.
2633# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2634#   know they might have memory configurations that could make use of highmem
2635#   support.
2636#
2637config HIGHMEM
2638	bool "High Memory Support"
2639	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2640
2641config CPU_SUPPORTS_HIGHMEM
2642	bool
2643
2644config SYS_SUPPORTS_HIGHMEM
2645	bool
2646
2647config SYS_SUPPORTS_SMARTMIPS
2648	bool
2649
2650config SYS_SUPPORTS_MICROMIPS
2651	bool
2652
2653config SYS_SUPPORTS_MIPS16
2654	bool
2655	help
2656	  This option must be set if a kernel might be executed on a MIPS16-
2657	  enabled CPU even if MIPS16 is not actually being used.  In other
2658	  words, it makes the kernel MIPS16-tolerant.
2659
2660config CPU_SUPPORTS_MSA
2661	bool
2662
2663config ARCH_FLATMEM_ENABLE
2664	def_bool y
2665	depends on !NUMA && !CPU_LOONGSON2EF
2666
2667config ARCH_SPARSEMEM_ENABLE
2668	bool
2669	select SPARSEMEM_STATIC if !SGI_IP27
2670
2671config NUMA
2672	bool "NUMA Support"
2673	depends on SYS_SUPPORTS_NUMA
2674	help
2675	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2676	  Access).  This option improves performance on systems with more
2677	  than two nodes; on two node systems it is generally better to
2678	  leave it disabled; on single node systems disable this option
2679	  disabled.
2680
2681config SYS_SUPPORTS_NUMA
2682	bool
2683
2684config HAVE_SETUP_PER_CPU_AREA
2685	def_bool y
2686	depends on NUMA
2687
2688config NEED_PER_CPU_EMBED_FIRST_CHUNK
2689	def_bool y
2690	depends on NUMA
2691
2692config RELOCATABLE
2693	bool "Relocatable kernel"
2694	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2695	help
2696	  This builds a kernel image that retains relocation information
2697	  so it can be loaded someplace besides the default 1MB.
2698	  The relocations make the kernel binary about 15% larger,
2699	  but are discarded at runtime
2700
2701config RELOCATION_TABLE_SIZE
2702	hex "Relocation table size"
2703	depends on RELOCATABLE
2704	range 0x0 0x01000000
2705	default "0x00100000"
2706	---help---
2707	  A table of relocation data will be appended to the kernel binary
2708	  and parsed at boot to fix up the relocated kernel.
2709
2710	  This option allows the amount of space reserved for the table to be
2711	  adjusted, although the default of 1Mb should be ok in most cases.
2712
2713	  The build will fail and a valid size suggested if this is too small.
2714
2715	  If unsure, leave at the default value.
2716
2717config RANDOMIZE_BASE
2718	bool "Randomize the address of the kernel image"
2719	depends on RELOCATABLE
2720	---help---
2721	  Randomizes the physical and virtual address at which the
2722	  kernel image is loaded, as a security feature that
2723	  deters exploit attempts relying on knowledge of the location
2724	  of kernel internals.
2725
2726	  Entropy is generated using any coprocessor 0 registers available.
2727
2728	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2729
2730	  If unsure, say N.
2731
2732config RANDOMIZE_BASE_MAX_OFFSET
2733	hex "Maximum kASLR offset" if EXPERT
2734	depends on RANDOMIZE_BASE
2735	range 0x0 0x40000000 if EVA || 64BIT
2736	range 0x0 0x08000000
2737	default "0x01000000"
2738	---help---
2739	  When kASLR is active, this provides the maximum offset that will
2740	  be applied to the kernel image. It should be set according to the
2741	  amount of physical RAM available in the target system minus
2742	  PHYSICAL_START and must be a power of 2.
2743
2744	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2745	  EVA or 64-bit. The default is 16Mb.
2746
2747config NODES_SHIFT
2748	int
2749	default "6"
2750	depends on NEED_MULTIPLE_NODES
2751
2752config HW_PERF_EVENTS
2753	bool "Enable hardware performance counter support for perf events"
2754	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2755	default y
2756	help
2757	  Enable hardware performance counter support for perf events. If
2758	  disabled, perf events will use software events only.
2759
2760config SMP
2761	bool "Multi-Processing support"
2762	depends on SYS_SUPPORTS_SMP
2763	help
2764	  This enables support for systems with more than one CPU. If you have
2765	  a system with only one CPU, say N. If you have a system with more
2766	  than one CPU, say Y.
2767
2768	  If you say N here, the kernel will run on uni- and multiprocessor
2769	  machines, but will use only one CPU of a multiprocessor machine. If
2770	  you say Y here, the kernel will run on many, but not all,
2771	  uniprocessor machines. On a uniprocessor machine, the kernel
2772	  will run faster if you say N here.
2773
2774	  People using multiprocessor machines who say Y here should also say
2775	  Y to "Enhanced Real Time Clock Support", below.
2776
2777	  See also the SMP-HOWTO available at
2778	  <http://www.tldp.org/docs.html#howto>.
2779
2780	  If you don't know what to do here, say N.
2781
2782config HOTPLUG_CPU
2783	bool "Support for hot-pluggable CPUs"
2784	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2785	help
2786	  Say Y here to allow turning CPUs off and on. CPUs can be
2787	  controlled through /sys/devices/system/cpu.
2788	  (Note: power management support will enable this option
2789	    automatically on SMP systems. )
2790	  Say N if you want to disable CPU hotplug.
2791
2792config SMP_UP
2793	bool
2794
2795config SYS_SUPPORTS_MIPS_CMP
2796	bool
2797
2798config SYS_SUPPORTS_MIPS_CPS
2799	bool
2800
2801config SYS_SUPPORTS_SMP
2802	bool
2803
2804config NR_CPUS_DEFAULT_4
2805	bool
2806
2807config NR_CPUS_DEFAULT_8
2808	bool
2809
2810config NR_CPUS_DEFAULT_16
2811	bool
2812
2813config NR_CPUS_DEFAULT_32
2814	bool
2815
2816config NR_CPUS_DEFAULT_64
2817	bool
2818
2819config NR_CPUS
2820	int "Maximum number of CPUs (2-256)"
2821	range 2 256
2822	depends on SMP
2823	default "4" if NR_CPUS_DEFAULT_4
2824	default "8" if NR_CPUS_DEFAULT_8
2825	default "16" if NR_CPUS_DEFAULT_16
2826	default "32" if NR_CPUS_DEFAULT_32
2827	default "64" if NR_CPUS_DEFAULT_64
2828	help
2829	  This allows you to specify the maximum number of CPUs which this
2830	  kernel will support.  The maximum supported value is 32 for 32-bit
2831	  kernel and 64 for 64-bit kernels; the minimum value which makes
2832	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2833	  and 2 for all others.
2834
2835	  This is purely to save memory - each supported CPU adds
2836	  approximately eight kilobytes to the kernel image.  For best
2837	  performance should round up your number of processors to the next
2838	  power of two.
2839
2840config MIPS_PERF_SHARED_TC_COUNTERS
2841	bool
2842
2843config MIPS_NR_CPU_NR_MAP_1024
2844	bool
2845
2846config MIPS_NR_CPU_NR_MAP
2847	int
2848	depends on SMP
2849	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2850	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2851
2852#
2853# Timer Interrupt Frequency Configuration
2854#
2855
2856choice
2857	prompt "Timer frequency"
2858	default HZ_250
2859	help
2860	  Allows the configuration of the timer frequency.
2861
2862	config HZ_24
2863		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2864
2865	config HZ_48
2866		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2867
2868	config HZ_100
2869		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2870
2871	config HZ_128
2872		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2873
2874	config HZ_250
2875		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2876
2877	config HZ_256
2878		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2879
2880	config HZ_1000
2881		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2882
2883	config HZ_1024
2884		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2885
2886endchoice
2887
2888config SYS_SUPPORTS_24HZ
2889	bool
2890
2891config SYS_SUPPORTS_48HZ
2892	bool
2893
2894config SYS_SUPPORTS_100HZ
2895	bool
2896
2897config SYS_SUPPORTS_128HZ
2898	bool
2899
2900config SYS_SUPPORTS_250HZ
2901	bool
2902
2903config SYS_SUPPORTS_256HZ
2904	bool
2905
2906config SYS_SUPPORTS_1000HZ
2907	bool
2908
2909config SYS_SUPPORTS_1024HZ
2910	bool
2911
2912config SYS_SUPPORTS_ARBIT_HZ
2913	bool
2914	default y if !SYS_SUPPORTS_24HZ && \
2915		     !SYS_SUPPORTS_48HZ && \
2916		     !SYS_SUPPORTS_100HZ && \
2917		     !SYS_SUPPORTS_128HZ && \
2918		     !SYS_SUPPORTS_250HZ && \
2919		     !SYS_SUPPORTS_256HZ && \
2920		     !SYS_SUPPORTS_1000HZ && \
2921		     !SYS_SUPPORTS_1024HZ
2922
2923config HZ
2924	int
2925	default 24 if HZ_24
2926	default 48 if HZ_48
2927	default 100 if HZ_100
2928	default 128 if HZ_128
2929	default 250 if HZ_250
2930	default 256 if HZ_256
2931	default 1000 if HZ_1000
2932	default 1024 if HZ_1024
2933
2934config SCHED_HRTICK
2935	def_bool HIGH_RES_TIMERS
2936
2937config KEXEC
2938	bool "Kexec system call"
2939	select KEXEC_CORE
2940	help
2941	  kexec is a system call that implements the ability to shutdown your
2942	  current kernel, and to start another kernel.  It is like a reboot
2943	  but it is independent of the system firmware.   And like a reboot
2944	  you can start any kernel with it, not just Linux.
2945
2946	  The name comes from the similarity to the exec system call.
2947
2948	  It is an ongoing process to be certain the hardware in a machine
2949	  is properly shutdown, so do not be surprised if this code does not
2950	  initially work for you.  As of this writing the exact hardware
2951	  interface is strongly in flux, so no good recommendation can be
2952	  made.
2953
2954config CRASH_DUMP
2955	bool "Kernel crash dumps"
2956	help
2957	  Generate crash dump after being started by kexec.
2958	  This should be normally only set in special crash dump kernels
2959	  which are loaded in the main kernel with kexec-tools into
2960	  a specially reserved region and then later executed after
2961	  a crash by kdump/kexec. The crash dump kernel must be compiled
2962	  to a memory address not used by the main kernel or firmware using
2963	  PHYSICAL_START.
2964
2965config PHYSICAL_START
2966	hex "Physical address where the kernel is loaded"
2967	default "0xffffffff84000000"
2968	depends on CRASH_DUMP
2969	help
2970	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2971	  If you plan to use kernel for capturing the crash dump change
2972	  this value to start of the reserved region (the "X" value as
2973	  specified in the "crashkernel=YM@XM" command line boot parameter
2974	  passed to the panic-ed kernel).
2975
2976config SECCOMP
2977	bool "Enable seccomp to safely compute untrusted bytecode"
2978	depends on PROC_FS
2979	default y
2980	help
2981	  This kernel feature is useful for number crunching applications
2982	  that may need to compute untrusted bytecode during their
2983	  execution. By using pipes or other transports made available to
2984	  the process as file descriptors supporting the read/write
2985	  syscalls, it's possible to isolate those applications in
2986	  their own address space using seccomp. Once seccomp is
2987	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2988	  and the task is only allowed to execute a few safe syscalls
2989	  defined by each seccomp mode.
2990
2991	  If unsure, say Y. Only embedded should say N here.
2992
2993config MIPS_O32_FP64_SUPPORT
2994	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2995	depends on 32BIT || MIPS32_O32
2996	help
2997	  When this is enabled, the kernel will support use of 64-bit floating
2998	  point registers with binaries using the O32 ABI along with the
2999	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3000	  32-bit MIPS systems this support is at the cost of increasing the
3001	  size and complexity of the compiled FPU emulator. Thus if you are
3002	  running a MIPS32 system and know that none of your userland binaries
3003	  will require 64-bit floating point, you may wish to reduce the size
3004	  of your kernel & potentially improve FP emulation performance by
3005	  saying N here.
3006
3007	  Although binutils currently supports use of this flag the details
3008	  concerning its effect upon the O32 ABI in userland are still being
3009	  worked on. In order to avoid userland becoming dependant upon current
3010	  behaviour before the details have been finalised, this option should
3011	  be considered experimental and only enabled by those working upon
3012	  said details.
3013
3014	  If unsure, say N.
3015
3016config USE_OF
3017	bool
3018	select OF
3019	select OF_EARLY_FLATTREE
3020	select IRQ_DOMAIN
3021
3022config UHI_BOOT
3023	bool
3024
3025config BUILTIN_DTB
3026	bool
3027
3028choice
3029	prompt "Kernel appended dtb support" if USE_OF
3030	default MIPS_NO_APPENDED_DTB
3031
3032	config MIPS_NO_APPENDED_DTB
3033		bool "None"
3034		help
3035		  Do not enable appended dtb support.
3036
3037	config MIPS_ELF_APPENDED_DTB
3038		bool "vmlinux"
3039		help
3040		  With this option, the boot code will look for a device tree binary
3041		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3042		  it is empty and the DTB can be appended using binutils command
3043		  objcopy:
3044
3045		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3046
3047		  This is meant as a backward compatiblity convenience for those
3048		  systems with a bootloader that can't be upgraded to accommodate
3049		  the documented boot protocol using a device tree.
3050
3051	config MIPS_RAW_APPENDED_DTB
3052		bool "vmlinux.bin or vmlinuz.bin"
3053		help
3054		  With this option, the boot code will look for a device tree binary
3055		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3056		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3057
3058		  This is meant as a backward compatibility convenience for those
3059		  systems with a bootloader that can't be upgraded to accommodate
3060		  the documented boot protocol using a device tree.
3061
3062		  Beware that there is very little in terms of protection against
3063		  this option being confused by leftover garbage in memory that might
3064		  look like a DTB header after a reboot if no actual DTB is appended
3065		  to vmlinux.bin.  Do not leave this option active in a production kernel
3066		  if you don't intend to always append a DTB.
3067endchoice
3068
3069choice
3070	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3071	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3072					 !MIPS_MALTA && \
3073					 !CAVIUM_OCTEON_SOC
3074	default MIPS_CMDLINE_FROM_BOOTLOADER
3075
3076	config MIPS_CMDLINE_FROM_DTB
3077		depends on USE_OF
3078		bool "Dtb kernel arguments if available"
3079
3080	config MIPS_CMDLINE_DTB_EXTEND
3081		depends on USE_OF
3082		bool "Extend dtb kernel arguments with bootloader arguments"
3083
3084	config MIPS_CMDLINE_FROM_BOOTLOADER
3085		bool "Bootloader kernel arguments if available"
3086
3087	config MIPS_CMDLINE_BUILTIN_EXTEND
3088		depends on CMDLINE_BOOL
3089		bool "Extend builtin kernel arguments with bootloader arguments"
3090endchoice
3091
3092endmenu
3093
3094config LOCKDEP_SUPPORT
3095	bool
3096	default y
3097
3098config STACKTRACE_SUPPORT
3099	bool
3100	default y
3101
3102config PGTABLE_LEVELS
3103	int
3104	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3105	default 3 if 64BIT && !PAGE_SIZE_64KB
3106	default 2
3107
3108config MIPS_AUTO_PFN_OFFSET
3109	bool
3110
3111menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3112
3113config PCI_DRIVERS_GENERIC
3114	select PCI_DOMAINS_GENERIC if PCI
3115	bool
3116
3117config PCI_DRIVERS_LEGACY
3118	def_bool !PCI_DRIVERS_GENERIC
3119	select NO_GENERIC_PCI_IOPORT_MAP
3120	select PCI_DOMAINS if PCI
3121
3122#
3123# ISA support is now enabled via select.  Too many systems still have the one
3124# or other ISA chip on the board that users don't know about so don't expect
3125# users to choose the right thing ...
3126#
3127config ISA
3128	bool
3129
3130config TC
3131	bool "TURBOchannel support"
3132	depends on MACH_DECSTATION
3133	help
3134	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3135	  processors.  TURBOchannel programming specifications are available
3136	  at:
3137	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3138	  and:
3139	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3140	  Linux driver support status is documented at:
3141	  <http://www.linux-mips.org/wiki/DECstation>
3142
3143config MMU
3144	bool
3145	default y
3146
3147config ARCH_MMAP_RND_BITS_MIN
3148	default 12 if 64BIT
3149	default 8
3150
3151config ARCH_MMAP_RND_BITS_MAX
3152	default 18 if 64BIT
3153	default 15
3154
3155config ARCH_MMAP_RND_COMPAT_BITS_MIN
3156	default 8
3157
3158config ARCH_MMAP_RND_COMPAT_BITS_MAX
3159	default 15
3160
3161config I8253
3162	bool
3163	select CLKSRC_I8253
3164	select CLKEVT_I8253
3165	select MIPS_EXTERNAL_TIMER
3166
3167config ZONE_DMA
3168	bool
3169
3170config ZONE_DMA32
3171	bool
3172
3173endmenu
3174
3175config TRAD_SIGNALS
3176	bool
3177
3178config MIPS32_COMPAT
3179	bool
3180
3181config COMPAT
3182	bool
3183
3184config SYSVIPC_COMPAT
3185	bool
3186
3187config MIPS32_O32
3188	bool "Kernel support for o32 binaries"
3189	depends on 64BIT
3190	select ARCH_WANT_OLD_COMPAT_IPC
3191	select COMPAT
3192	select MIPS32_COMPAT
3193	select SYSVIPC_COMPAT if SYSVIPC
3194	help
3195	  Select this option if you want to run o32 binaries.  These are pure
3196	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3197	  existing binaries are in this format.
3198
3199	  If unsure, say Y.
3200
3201config MIPS32_N32
3202	bool "Kernel support for n32 binaries"
3203	depends on 64BIT
3204	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3205	select COMPAT
3206	select MIPS32_COMPAT
3207	select SYSVIPC_COMPAT if SYSVIPC
3208	help
3209	  Select this option if you want to run n32 binaries.  These are
3210	  64-bit binaries using 32-bit quantities for addressing and certain
3211	  data that would normally be 64-bit.  They are used in special
3212	  cases.
3213
3214	  If unsure, say N.
3215
3216config BINFMT_ELF32
3217	bool
3218	default y if MIPS32_O32 || MIPS32_N32
3219	select ELFCORE
3220
3221menu "Power management options"
3222
3223config ARCH_HIBERNATION_POSSIBLE
3224	def_bool y
3225	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3226
3227config ARCH_SUSPEND_POSSIBLE
3228	def_bool y
3229	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3230
3231source "kernel/power/Kconfig"
3232
3233endmenu
3234
3235config MIPS_EXTERNAL_TIMER
3236	bool
3237
3238menu "CPU Power Management"
3239
3240if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3241source "drivers/cpufreq/Kconfig"
3242endif
3243
3244source "drivers/cpuidle/Kconfig"
3245
3246endmenu
3247
3248source "drivers/firmware/Kconfig"
3249
3250source "arch/mips/kvm/Kconfig"
3251