xref: /openbmc/linux/arch/mips/Kconfig (revision 4ec575b7)
1# SPDX-License-Identifier: GPL-2.0
2config MIPS
3	bool
4	default y
5	select ARCH_32BIT_OFF_T if !64BIT
6	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7	select ARCH_CLOCKSOURCE_DATA
8	select ARCH_HAS_FORTIFY_SOURCE
9	select ARCH_HAS_KCOV
10	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
11	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
12	select ARCH_HAS_UBSAN_SANITIZE_ALL
13	select ARCH_SUPPORTS_UPROBES
14	select ARCH_USE_BUILTIN_BSWAP
15	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
16	select ARCH_USE_QUEUED_RWLOCKS
17	select ARCH_USE_QUEUED_SPINLOCKS
18	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
19	select ARCH_WANT_IPC_PARSE_VERSION
20	select BUILDTIME_TABLE_SORT
21	select CLONE_BACKWARDS
22	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
23	select CPU_PM if CPU_IDLE
24	select GENERIC_ATOMIC64 if !64BIT
25	select GENERIC_CLOCKEVENTS
26	select GENERIC_CMOS_UPDATE
27	select GENERIC_CPU_AUTOPROBE
28	select GENERIC_GETTIMEOFDAY
29	select GENERIC_IOMAP
30	select GENERIC_IRQ_PROBE
31	select GENERIC_IRQ_SHOW
32	select GENERIC_ISA_DMA if EISA
33	select GENERIC_LIB_ASHLDI3
34	select GENERIC_LIB_ASHRDI3
35	select GENERIC_LIB_CMPDI2
36	select GENERIC_LIB_LSHRDI3
37	select GENERIC_LIB_UCMPDI2
38	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
39	select GENERIC_SMP_IDLE_THREAD
40	select GENERIC_TIME_VSYSCALL
41	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
42	select HANDLE_DOMAIN_IRQ
43	select HAVE_ARCH_COMPILER_H
44	select HAVE_ARCH_JUMP_LABEL
45	select HAVE_ARCH_KGDB
46	select HAVE_ARCH_MMAP_RND_BITS if MMU
47	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
48	select HAVE_ARCH_SECCOMP_FILTER
49	select HAVE_ARCH_TRACEHOOK
50	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
51	select HAVE_ASM_MODVERSIONS
52	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
53	select HAVE_CONTEXT_TRACKING
54	select HAVE_COPY_THREAD_TLS
55	select HAVE_C_RECORDMCOUNT
56	select HAVE_DEBUG_KMEMLEAK
57	select HAVE_DEBUG_STACKOVERFLOW
58	select HAVE_DMA_CONTIGUOUS
59	select HAVE_DYNAMIC_FTRACE
60	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
61	select HAVE_EXIT_THREAD
62	select HAVE_FAST_GUP
63	select HAVE_FTRACE_MCOUNT_RECORD
64	select HAVE_FUNCTION_GRAPH_TRACER
65	select HAVE_FUNCTION_TRACER
66	select HAVE_GCC_PLUGINS
67	select HAVE_GENERIC_VDSO
68	select HAVE_IDE
69	select HAVE_IOREMAP_PROT
70	select HAVE_IRQ_EXIT_ON_IRQ_STACK
71	select HAVE_IRQ_TIME_ACCOUNTING
72	select HAVE_KPROBES
73	select HAVE_KRETPROBES
74	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
75	select HAVE_MEMBLOCK_NODE_MAP
76	select HAVE_MOD_ARCH_SPECIFIC
77	select HAVE_NMI
78	select HAVE_OPROFILE
79	select HAVE_PERF_EVENTS
80	select HAVE_REGS_AND_STACK_ACCESS_API
81	select HAVE_RSEQ
82	select HAVE_SPARSE_SYSCALL_NR
83	select HAVE_STACKPROTECTOR
84	select HAVE_SYSCALL_TRACEPOINTS
85	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
86	select IRQ_FORCED_THREADING
87	select ISA if EISA
88	select MODULES_USE_ELF_REL if MODULES
89	select MODULES_USE_ELF_RELA if MODULES && 64BIT
90	select PERF_USE_VMALLOC
91	select RTC_LIB
92	select SYSCTL_EXCEPTION_TRACE
93	select VIRT_TO_BUS
94
95menu "Machine selection"
96
97choice
98	prompt "System type"
99	default MIPS_GENERIC
100
101config MIPS_GENERIC
102	bool "Generic board-agnostic MIPS kernel"
103	select BOOT_RAW
104	select BUILTIN_DTB
105	select CEVT_R4K
106	select CLKSRC_MIPS_GIC
107	select COMMON_CLK
108	select CPU_MIPSR2_IRQ_EI
109	select CPU_MIPSR2_IRQ_VI
110	select CSRC_R4K
111	select DMA_PERDEV_COHERENT
112	select HAVE_PCI
113	select IRQ_MIPS_CPU
114	select MIPS_AUTO_PFN_OFFSET
115	select MIPS_CPU_SCACHE
116	select MIPS_GIC
117	select MIPS_L1_CACHE_SHIFT_7
118	select NO_EXCEPT_FILL
119	select PCI_DRIVERS_GENERIC
120	select SMP_UP if SMP
121	select SWAP_IO_SPACE
122	select SYS_HAS_CPU_MIPS32_R1
123	select SYS_HAS_CPU_MIPS32_R2
124	select SYS_HAS_CPU_MIPS32_R6
125	select SYS_HAS_CPU_MIPS64_R1
126	select SYS_HAS_CPU_MIPS64_R2
127	select SYS_HAS_CPU_MIPS64_R6
128	select SYS_SUPPORTS_32BIT_KERNEL
129	select SYS_SUPPORTS_64BIT_KERNEL
130	select SYS_SUPPORTS_BIG_ENDIAN
131	select SYS_SUPPORTS_HIGHMEM
132	select SYS_SUPPORTS_LITTLE_ENDIAN
133	select SYS_SUPPORTS_MICROMIPS
134	select SYS_SUPPORTS_MIPS16
135	select SYS_SUPPORTS_MIPS_CPS
136	select SYS_SUPPORTS_MULTITHREADING
137	select SYS_SUPPORTS_RELOCATABLE
138	select SYS_SUPPORTS_SMARTMIPS
139	select UHI_BOOT
140	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
141	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
142	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
143	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
144	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
145	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
146	select USE_OF
147	help
148	  Select this to build a kernel which aims to support multiple boards,
149	  generally using a flattened device tree passed from the bootloader
150	  using the boot protocol defined in the UHI (Unified Hosting
151	  Interface) specification.
152
153config MIPS_ALCHEMY
154	bool "Alchemy processor based machines"
155	select PHYS_ADDR_T_64BIT
156	select CEVT_R4K
157	select CSRC_R4K
158	select IRQ_MIPS_CPU
159	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
160	select SYS_HAS_CPU_MIPS32_R1
161	select SYS_SUPPORTS_32BIT_KERNEL
162	select SYS_SUPPORTS_APM_EMULATION
163	select GPIOLIB
164	select SYS_SUPPORTS_ZBOOT
165	select COMMON_CLK
166
167config AR7
168	bool "Texas Instruments AR7"
169	select BOOT_ELF32
170	select DMA_NONCOHERENT
171	select CEVT_R4K
172	select CSRC_R4K
173	select IRQ_MIPS_CPU
174	select NO_EXCEPT_FILL
175	select SWAP_IO_SPACE
176	select SYS_HAS_CPU_MIPS32_R1
177	select SYS_HAS_EARLY_PRINTK
178	select SYS_SUPPORTS_32BIT_KERNEL
179	select SYS_SUPPORTS_LITTLE_ENDIAN
180	select SYS_SUPPORTS_MIPS16
181	select SYS_SUPPORTS_ZBOOT_UART16550
182	select GPIOLIB
183	select VLYNQ
184	select HAVE_CLK
185	help
186	  Support for the Texas Instruments AR7 System-on-a-Chip
187	  family: TNETD7100, 7200 and 7300.
188
189config ATH25
190	bool "Atheros AR231x/AR531x SoC support"
191	select CEVT_R4K
192	select CSRC_R4K
193	select DMA_NONCOHERENT
194	select IRQ_MIPS_CPU
195	select IRQ_DOMAIN
196	select SYS_HAS_CPU_MIPS32_R1
197	select SYS_SUPPORTS_BIG_ENDIAN
198	select SYS_SUPPORTS_32BIT_KERNEL
199	select SYS_HAS_EARLY_PRINTK
200	help
201	  Support for Atheros AR231x and Atheros AR531x based boards
202
203config ATH79
204	bool "Atheros AR71XX/AR724X/AR913X based boards"
205	select ARCH_HAS_RESET_CONTROLLER
206	select BOOT_RAW
207	select CEVT_R4K
208	select CSRC_R4K
209	select DMA_NONCOHERENT
210	select GPIOLIB
211	select PINCTRL
212	select HAVE_CLK
213	select COMMON_CLK
214	select CLKDEV_LOOKUP
215	select IRQ_MIPS_CPU
216	select SYS_HAS_CPU_MIPS32_R2
217	select SYS_HAS_EARLY_PRINTK
218	select SYS_SUPPORTS_32BIT_KERNEL
219	select SYS_SUPPORTS_BIG_ENDIAN
220	select SYS_SUPPORTS_MIPS16
221	select SYS_SUPPORTS_ZBOOT_UART_PROM
222	select USE_OF
223	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
224	help
225	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
226
227config BMIPS_GENERIC
228	bool "Broadcom Generic BMIPS kernel"
229	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
230	select ARCH_HAS_PHYS_TO_DMA
231	select BOOT_RAW
232	select NO_EXCEPT_FILL
233	select USE_OF
234	select CEVT_R4K
235	select CSRC_R4K
236	select SYNC_R4K
237	select COMMON_CLK
238	select BCM6345_L1_IRQ
239	select BCM7038_L1_IRQ
240	select BCM7120_L2_IRQ
241	select BRCMSTB_L2_IRQ
242	select IRQ_MIPS_CPU
243	select DMA_NONCOHERENT
244	select SYS_SUPPORTS_32BIT_KERNEL
245	select SYS_SUPPORTS_LITTLE_ENDIAN
246	select SYS_SUPPORTS_BIG_ENDIAN
247	select SYS_SUPPORTS_HIGHMEM
248	select SYS_HAS_CPU_BMIPS32_3300
249	select SYS_HAS_CPU_BMIPS4350
250	select SYS_HAS_CPU_BMIPS4380
251	select SYS_HAS_CPU_BMIPS5000
252	select SWAP_IO_SPACE
253	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
254	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
255	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
256	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
257	select HARDIRQS_SW_RESEND
258	help
259	  Build a generic DT-based kernel image that boots on select
260	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
261	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
262	  must be set appropriately for your board.
263
264config BCM47XX
265	bool "Broadcom BCM47XX based boards"
266	select BOOT_RAW
267	select CEVT_R4K
268	select CSRC_R4K
269	select DMA_NONCOHERENT
270	select HAVE_PCI
271	select IRQ_MIPS_CPU
272	select SYS_HAS_CPU_MIPS32_R1
273	select NO_EXCEPT_FILL
274	select SYS_SUPPORTS_32BIT_KERNEL
275	select SYS_SUPPORTS_LITTLE_ENDIAN
276	select SYS_SUPPORTS_MIPS16
277	select SYS_SUPPORTS_ZBOOT
278	select SYS_HAS_EARLY_PRINTK
279	select USE_GENERIC_EARLY_PRINTK_8250
280	select GPIOLIB
281	select LEDS_GPIO_REGISTER
282	select BCM47XX_NVRAM
283	select BCM47XX_SPROM
284	select BCM47XX_SSB if !BCM47XX_BCMA
285	help
286	  Support for BCM47XX based boards
287
288config BCM63XX
289	bool "Broadcom BCM63XX based boards"
290	select BOOT_RAW
291	select CEVT_R4K
292	select CSRC_R4K
293	select SYNC_R4K
294	select DMA_NONCOHERENT
295	select IRQ_MIPS_CPU
296	select SYS_SUPPORTS_32BIT_KERNEL
297	select SYS_SUPPORTS_BIG_ENDIAN
298	select SYS_HAS_EARLY_PRINTK
299	select SWAP_IO_SPACE
300	select GPIOLIB
301	select HAVE_CLK
302	select MIPS_L1_CACHE_SHIFT_4
303	select CLKDEV_LOOKUP
304	help
305	  Support for BCM63XX based boards
306
307config MIPS_COBALT
308	bool "Cobalt Server"
309	select CEVT_R4K
310	select CSRC_R4K
311	select CEVT_GT641XX
312	select DMA_NONCOHERENT
313	select FORCE_PCI
314	select I8253
315	select I8259
316	select IRQ_MIPS_CPU
317	select IRQ_GT641XX
318	select PCI_GT64XXX_PCI0
319	select SYS_HAS_CPU_NEVADA
320	select SYS_HAS_EARLY_PRINTK
321	select SYS_SUPPORTS_32BIT_KERNEL
322	select SYS_SUPPORTS_64BIT_KERNEL
323	select SYS_SUPPORTS_LITTLE_ENDIAN
324	select USE_GENERIC_EARLY_PRINTK_8250
325
326config MACH_DECSTATION
327	bool "DECstations"
328	select BOOT_ELF32
329	select CEVT_DS1287
330	select CEVT_R4K if CPU_R4X00
331	select CSRC_IOASIC
332	select CSRC_R4K if CPU_R4X00
333	select CPU_DADDI_WORKAROUNDS if 64BIT
334	select CPU_R4000_WORKAROUNDS if 64BIT
335	select CPU_R4400_WORKAROUNDS if 64BIT
336	select DMA_NONCOHERENT
337	select NO_IOPORT_MAP
338	select IRQ_MIPS_CPU
339	select SYS_HAS_CPU_R3000
340	select SYS_HAS_CPU_R4X00
341	select SYS_SUPPORTS_32BIT_KERNEL
342	select SYS_SUPPORTS_64BIT_KERNEL
343	select SYS_SUPPORTS_LITTLE_ENDIAN
344	select SYS_SUPPORTS_128HZ
345	select SYS_SUPPORTS_256HZ
346	select SYS_SUPPORTS_1024HZ
347	select MIPS_L1_CACHE_SHIFT_4
348	help
349	  This enables support for DEC's MIPS based workstations.  For details
350	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
351	  DECstation porting pages on <http://decstation.unix-ag.org/>.
352
353	  If you have one of the following DECstation Models you definitely
354	  want to choose R4xx0 for the CPU Type:
355
356		DECstation 5000/50
357		DECstation 5000/150
358		DECstation 5000/260
359		DECsystem 5900/260
360
361	  otherwise choose R3000.
362
363config MACH_JAZZ
364	bool "Jazz family of machines"
365	select ARC_MEMORY
366	select ARC_PROMLIB
367	select ARCH_MIGHT_HAVE_PC_PARPORT
368	select ARCH_MIGHT_HAVE_PC_SERIO
369	select FW_ARC
370	select FW_ARC32
371	select ARCH_MAY_HAVE_PC_FDC
372	select CEVT_R4K
373	select CSRC_R4K
374	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
375	select GENERIC_ISA_DMA
376	select HAVE_PCSPKR_PLATFORM
377	select IRQ_MIPS_CPU
378	select I8253
379	select I8259
380	select ISA
381	select SYS_HAS_CPU_R4X00
382	select SYS_SUPPORTS_32BIT_KERNEL
383	select SYS_SUPPORTS_64BIT_KERNEL
384	select SYS_SUPPORTS_100HZ
385	help
386	  This a family of machines based on the MIPS R4030 chipset which was
387	  used by several vendors to build RISC/os and Windows NT workstations.
388	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
389	  Olivetti M700-10 workstations.
390
391config MACH_INGENIC
392	bool "Ingenic SoC based machines"
393	select SYS_SUPPORTS_32BIT_KERNEL
394	select SYS_SUPPORTS_LITTLE_ENDIAN
395	select SYS_SUPPORTS_ZBOOT_UART16550
396	select CPU_SUPPORTS_HUGEPAGES
397	select DMA_NONCOHERENT
398	select IRQ_MIPS_CPU
399	select PINCTRL
400	select GPIOLIB
401	select COMMON_CLK
402	select GENERIC_IRQ_CHIP
403	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
404	select USE_OF
405
406config LANTIQ
407	bool "Lantiq based platforms"
408	select DMA_NONCOHERENT
409	select IRQ_MIPS_CPU
410	select CEVT_R4K
411	select CSRC_R4K
412	select SYS_HAS_CPU_MIPS32_R1
413	select SYS_HAS_CPU_MIPS32_R2
414	select SYS_SUPPORTS_BIG_ENDIAN
415	select SYS_SUPPORTS_32BIT_KERNEL
416	select SYS_SUPPORTS_MIPS16
417	select SYS_SUPPORTS_MULTITHREADING
418	select SYS_SUPPORTS_VPE_LOADER
419	select SYS_HAS_EARLY_PRINTK
420	select GPIOLIB
421	select SWAP_IO_SPACE
422	select BOOT_RAW
423	select CLKDEV_LOOKUP
424	select USE_OF
425	select PINCTRL
426	select PINCTRL_LANTIQ
427	select ARCH_HAS_RESET_CONTROLLER
428	select RESET_CONTROLLER
429
430config LASAT
431	bool "LASAT Networks platforms"
432	select CEVT_R4K
433	select CRC32
434	select CSRC_R4K
435	select DMA_NONCOHERENT
436	select SYS_HAS_EARLY_PRINTK
437	select HAVE_PCI
438	select IRQ_MIPS_CPU
439	select PCI_GT64XXX_PCI0
440	select MIPS_NILE4
441	select R5000_CPU_SCACHE
442	select SYS_HAS_CPU_R5000
443	select SYS_SUPPORTS_32BIT_KERNEL
444	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
445	select SYS_SUPPORTS_LITTLE_ENDIAN
446
447config MACH_LOONGSON32
448	bool "Loongson 32-bit family of machines"
449	select SYS_SUPPORTS_ZBOOT
450	help
451	  This enables support for the Loongson-1 family of machines.
452
453	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
454	  the Institute of Computing Technology (ICT), Chinese Academy of
455	  Sciences (CAS).
456
457config MACH_LOONGSON2EF
458	bool "Loongson-2E/F family of machines"
459	select SYS_SUPPORTS_ZBOOT
460	help
461	  This enables the support of early Loongson-2E/F family of machines.
462
463config MACH_LOONGSON64
464	bool "Loongson 64-bit family of machines"
465	select ARCH_SPARSEMEM_ENABLE
466	select ARCH_MIGHT_HAVE_PC_PARPORT
467	select ARCH_MIGHT_HAVE_PC_SERIO
468	select GENERIC_ISA_DMA_SUPPORT_BROKEN
469	select BOOT_ELF32
470	select BOARD_SCACHE
471	select CSRC_R4K
472	select CEVT_R4K
473	select CPU_HAS_WB
474	select FORCE_PCI
475	select ISA
476	select I8259
477	select IRQ_MIPS_CPU
478	select NR_CPUS_DEFAULT_4
479	select USE_GENERIC_EARLY_PRINTK_8250
480	select SYS_HAS_CPU_LOONGSON64
481	select SYS_HAS_EARLY_PRINTK
482	select SYS_SUPPORTS_SMP
483	select SYS_SUPPORTS_HOTPLUG_CPU
484	select SYS_SUPPORTS_NUMA
485	select SYS_SUPPORTS_64BIT_KERNEL
486	select SYS_SUPPORTS_HIGHMEM
487	select SYS_SUPPORTS_LITTLE_ENDIAN
488	select SYS_SUPPORTS_ZBOOT
489	select LOONGSON_MC146818
490	select ZONE_DMA32
491	select NUMA
492	help
493	  This enables the support of Loongson-2/3 family of machines.
494
495	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
496	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
497	  and Loongson-2F which will be removed), developed by the Institute
498	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
499
500config MACH_PISTACHIO
501	bool "IMG Pistachio SoC based boards"
502	select BOOT_ELF32
503	select BOOT_RAW
504	select CEVT_R4K
505	select CLKSRC_MIPS_GIC
506	select COMMON_CLK
507	select CSRC_R4K
508	select DMA_NONCOHERENT
509	select GPIOLIB
510	select IRQ_MIPS_CPU
511	select MFD_SYSCON
512	select MIPS_CPU_SCACHE
513	select MIPS_GIC
514	select PINCTRL
515	select REGULATOR
516	select SYS_HAS_CPU_MIPS32_R2
517	select SYS_SUPPORTS_32BIT_KERNEL
518	select SYS_SUPPORTS_LITTLE_ENDIAN
519	select SYS_SUPPORTS_MIPS_CPS
520	select SYS_SUPPORTS_MULTITHREADING
521	select SYS_SUPPORTS_RELOCATABLE
522	select SYS_SUPPORTS_ZBOOT
523	select SYS_HAS_EARLY_PRINTK
524	select USE_GENERIC_EARLY_PRINTK_8250
525	select USE_OF
526	help
527	  This enables support for the IMG Pistachio SoC platform.
528
529config MIPS_MALTA
530	bool "MIPS Malta board"
531	select ARCH_MAY_HAVE_PC_FDC
532	select ARCH_MIGHT_HAVE_PC_PARPORT
533	select ARCH_MIGHT_HAVE_PC_SERIO
534	select BOOT_ELF32
535	select BOOT_RAW
536	select BUILTIN_DTB
537	select CEVT_R4K
538	select CLKSRC_MIPS_GIC
539	select COMMON_CLK
540	select CSRC_R4K
541	select DMA_MAYBE_COHERENT
542	select GENERIC_ISA_DMA
543	select HAVE_PCSPKR_PLATFORM
544	select HAVE_PCI
545	select I8253
546	select I8259
547	select IRQ_MIPS_CPU
548	select MIPS_BONITO64
549	select MIPS_CPU_SCACHE
550	select MIPS_GIC
551	select MIPS_L1_CACHE_SHIFT_6
552	select MIPS_MSC
553	select PCI_GT64XXX_PCI0
554	select SMP_UP if SMP
555	select SWAP_IO_SPACE
556	select SYS_HAS_CPU_MIPS32_R1
557	select SYS_HAS_CPU_MIPS32_R2
558	select SYS_HAS_CPU_MIPS32_R3_5
559	select SYS_HAS_CPU_MIPS32_R5
560	select SYS_HAS_CPU_MIPS32_R6
561	select SYS_HAS_CPU_MIPS64_R1
562	select SYS_HAS_CPU_MIPS64_R2
563	select SYS_HAS_CPU_MIPS64_R6
564	select SYS_HAS_CPU_NEVADA
565	select SYS_HAS_CPU_RM7000
566	select SYS_SUPPORTS_32BIT_KERNEL
567	select SYS_SUPPORTS_64BIT_KERNEL
568	select SYS_SUPPORTS_BIG_ENDIAN
569	select SYS_SUPPORTS_HIGHMEM
570	select SYS_SUPPORTS_LITTLE_ENDIAN
571	select SYS_SUPPORTS_MICROMIPS
572	select SYS_SUPPORTS_MIPS16
573	select SYS_SUPPORTS_MIPS_CMP
574	select SYS_SUPPORTS_MIPS_CPS
575	select SYS_SUPPORTS_MULTITHREADING
576	select SYS_SUPPORTS_RELOCATABLE
577	select SYS_SUPPORTS_SMARTMIPS
578	select SYS_SUPPORTS_VPE_LOADER
579	select SYS_SUPPORTS_ZBOOT
580	select USE_OF
581	select ZONE_DMA32 if 64BIT
582	help
583	  This enables support for the MIPS Technologies Malta evaluation
584	  board.
585
586config MACH_PIC32
587	bool "Microchip PIC32 Family"
588	help
589	  This enables support for the Microchip PIC32 family of platforms.
590
591	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
592	  microcontrollers.
593
594config NEC_MARKEINS
595	bool "NEC EMMA2RH Mark-eins board"
596	select SOC_EMMA2RH
597	select HAVE_PCI
598	help
599	  This enables support for the NEC Electronics Mark-eins boards.
600
601config MACH_VR41XX
602	bool "NEC VR4100 series based machines"
603	select CEVT_R4K
604	select CSRC_R4K
605	select SYS_HAS_CPU_VR41XX
606	select SYS_SUPPORTS_MIPS16
607	select GPIOLIB
608
609config NXP_STB220
610	bool "NXP STB220 board"
611	select SOC_PNX833X
612	help
613	  Support for NXP Semiconductors STB220 Development Board.
614
615config NXP_STB225
616	bool "NXP 225 board"
617	select SOC_PNX833X
618	select SOC_PNX8335
619	help
620	  Support for NXP Semiconductors STB225 Development Board.
621
622config PMC_MSP
623	bool "PMC-Sierra MSP chipsets"
624	select CEVT_R4K
625	select CSRC_R4K
626	select DMA_NONCOHERENT
627	select SWAP_IO_SPACE
628	select NO_EXCEPT_FILL
629	select BOOT_RAW
630	select SYS_HAS_CPU_MIPS32_R1
631	select SYS_HAS_CPU_MIPS32_R2
632	select SYS_SUPPORTS_32BIT_KERNEL
633	select SYS_SUPPORTS_BIG_ENDIAN
634	select SYS_SUPPORTS_MIPS16
635	select IRQ_MIPS_CPU
636	select SERIAL_8250
637	select SERIAL_8250_CONSOLE
638	select USB_EHCI_BIG_ENDIAN_MMIO
639	select USB_EHCI_BIG_ENDIAN_DESC
640	help
641	  This adds support for the PMC-Sierra family of Multi-Service
642	  Processor System-On-A-Chips.  These parts include a number
643	  of integrated peripherals, interfaces and DSPs in addition to
644	  a variety of MIPS cores.
645
646config RALINK
647	bool "Ralink based machines"
648	select CEVT_R4K
649	select CSRC_R4K
650	select BOOT_RAW
651	select DMA_NONCOHERENT
652	select IRQ_MIPS_CPU
653	select USE_OF
654	select SYS_HAS_CPU_MIPS32_R1
655	select SYS_HAS_CPU_MIPS32_R2
656	select SYS_SUPPORTS_32BIT_KERNEL
657	select SYS_SUPPORTS_LITTLE_ENDIAN
658	select SYS_SUPPORTS_MIPS16
659	select SYS_HAS_EARLY_PRINTK
660	select CLKDEV_LOOKUP
661	select ARCH_HAS_RESET_CONTROLLER
662	select RESET_CONTROLLER
663
664config SGI_IP22
665	bool "SGI IP22 (Indy/Indigo2)"
666	select ARC_MEMORY
667	select ARC_PROMLIB
668	select FW_ARC
669	select FW_ARC32
670	select ARCH_MIGHT_HAVE_PC_SERIO
671	select BOOT_ELF32
672	select CEVT_R4K
673	select CSRC_R4K
674	select DEFAULT_SGI_PARTITION
675	select DMA_NONCOHERENT
676	select HAVE_EISA
677	select I8253
678	select I8259
679	select IP22_CPU_SCACHE
680	select IRQ_MIPS_CPU
681	select GENERIC_ISA_DMA_SUPPORT_BROKEN
682	select SGI_HAS_I8042
683	select SGI_HAS_INDYDOG
684	select SGI_HAS_HAL2
685	select SGI_HAS_SEEQ
686	select SGI_HAS_WD93
687	select SGI_HAS_ZILOG
688	select SWAP_IO_SPACE
689	select SYS_HAS_CPU_R4X00
690	select SYS_HAS_CPU_R5000
691	select SYS_HAS_EARLY_PRINTK
692	select SYS_SUPPORTS_32BIT_KERNEL
693	select SYS_SUPPORTS_64BIT_KERNEL
694	select SYS_SUPPORTS_BIG_ENDIAN
695	select MIPS_L1_CACHE_SHIFT_7
696	help
697	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
698	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
699	  that runs on these, say Y here.
700
701config SGI_IP27
702	bool "SGI IP27 (Origin200/2000)"
703	select ARCH_HAS_PHYS_TO_DMA
704	select ARCH_SPARSEMEM_ENABLE
705	select FW_ARC
706	select FW_ARC64
707	select ARC_CMDLINE_ONLY
708	select BOOT_ELF64
709	select DEFAULT_SGI_PARTITION
710	select SYS_HAS_EARLY_PRINTK
711	select HAVE_PCI
712	select IRQ_MIPS_CPU
713	select IRQ_DOMAIN_HIERARCHY
714	select NR_CPUS_DEFAULT_64
715	select PCI_DRIVERS_GENERIC
716	select PCI_XTALK_BRIDGE
717	select SYS_HAS_CPU_R10000
718	select SYS_SUPPORTS_64BIT_KERNEL
719	select SYS_SUPPORTS_BIG_ENDIAN
720	select SYS_SUPPORTS_NUMA
721	select SYS_SUPPORTS_SMP
722	select MIPS_L1_CACHE_SHIFT_7
723	help
724	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
725	  workstations.  To compile a Linux kernel that runs on these, say Y
726	  here.
727
728config SGI_IP28
729	bool "SGI IP28 (Indigo2 R10k)"
730	select ARC_MEMORY
731	select ARC_PROMLIB
732	select FW_ARC
733	select FW_ARC64
734	select ARCH_MIGHT_HAVE_PC_SERIO
735	select BOOT_ELF64
736	select CEVT_R4K
737	select CSRC_R4K
738	select DEFAULT_SGI_PARTITION
739	select DMA_NONCOHERENT
740	select GENERIC_ISA_DMA_SUPPORT_BROKEN
741	select IRQ_MIPS_CPU
742	select HAVE_EISA
743	select I8253
744	select I8259
745	select SGI_HAS_I8042
746	select SGI_HAS_INDYDOG
747	select SGI_HAS_HAL2
748	select SGI_HAS_SEEQ
749	select SGI_HAS_WD93
750	select SGI_HAS_ZILOG
751	select SWAP_IO_SPACE
752	select SYS_HAS_CPU_R10000
753	select SYS_HAS_EARLY_PRINTK
754	select SYS_SUPPORTS_64BIT_KERNEL
755	select SYS_SUPPORTS_BIG_ENDIAN
756	select MIPS_L1_CACHE_SHIFT_7
757	help
758	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
759	  kernel that runs on these, say Y here.
760
761config SGI_IP30
762	bool "SGI IP30 (Octane/Octane2)"
763	select ARCH_HAS_PHYS_TO_DMA
764	select FW_ARC
765	select FW_ARC64
766	select BOOT_ELF64
767	select CEVT_R4K
768	select CSRC_R4K
769	select SYNC_R4K if SMP
770	select ZONE_DMA32
771	select HAVE_PCI
772	select IRQ_MIPS_CPU
773	select IRQ_DOMAIN_HIERARCHY
774	select NR_CPUS_DEFAULT_2
775	select PCI_DRIVERS_GENERIC
776	select PCI_XTALK_BRIDGE
777	select SYS_HAS_EARLY_PRINTK
778	select SYS_HAS_CPU_R10000
779	select SYS_SUPPORTS_64BIT_KERNEL
780	select SYS_SUPPORTS_BIG_ENDIAN
781	select SYS_SUPPORTS_SMP
782	select MIPS_L1_CACHE_SHIFT_7
783	select ARC_MEMORY
784	help
785	  These are the SGI Octane and Octane2 graphics workstations.  To
786	  compile a Linux kernel that runs on these, say Y here.
787
788config SGI_IP32
789	bool "SGI IP32 (O2)"
790	select ARC_MEMORY
791	select ARC_PROMLIB
792	select ARCH_HAS_PHYS_TO_DMA
793	select FW_ARC
794	select FW_ARC32
795	select BOOT_ELF32
796	select CEVT_R4K
797	select CSRC_R4K
798	select DMA_NONCOHERENT
799	select HAVE_PCI
800	select IRQ_MIPS_CPU
801	select R5000_CPU_SCACHE
802	select RM7000_CPU_SCACHE
803	select SYS_HAS_CPU_R5000
804	select SYS_HAS_CPU_R10000 if BROKEN
805	select SYS_HAS_CPU_RM7000
806	select SYS_HAS_CPU_NEVADA
807	select SYS_SUPPORTS_64BIT_KERNEL
808	select SYS_SUPPORTS_BIG_ENDIAN
809	help
810	  If you want this kernel to run on SGI O2 workstation, say Y here.
811
812config SIBYTE_CRHINE
813	bool "Sibyte BCM91120C-CRhine"
814	select BOOT_ELF32
815	select SIBYTE_BCM1120
816	select SWAP_IO_SPACE
817	select SYS_HAS_CPU_SB1
818	select SYS_SUPPORTS_BIG_ENDIAN
819	select SYS_SUPPORTS_LITTLE_ENDIAN
820
821config SIBYTE_CARMEL
822	bool "Sibyte BCM91120x-Carmel"
823	select BOOT_ELF32
824	select SIBYTE_BCM1120
825	select SWAP_IO_SPACE
826	select SYS_HAS_CPU_SB1
827	select SYS_SUPPORTS_BIG_ENDIAN
828	select SYS_SUPPORTS_LITTLE_ENDIAN
829
830config SIBYTE_CRHONE
831	bool "Sibyte BCM91125C-CRhone"
832	select BOOT_ELF32
833	select SIBYTE_BCM1125
834	select SWAP_IO_SPACE
835	select SYS_HAS_CPU_SB1
836	select SYS_SUPPORTS_BIG_ENDIAN
837	select SYS_SUPPORTS_HIGHMEM
838	select SYS_SUPPORTS_LITTLE_ENDIAN
839
840config SIBYTE_RHONE
841	bool "Sibyte BCM91125E-Rhone"
842	select BOOT_ELF32
843	select SIBYTE_BCM1125H
844	select SWAP_IO_SPACE
845	select SYS_HAS_CPU_SB1
846	select SYS_SUPPORTS_BIG_ENDIAN
847	select SYS_SUPPORTS_LITTLE_ENDIAN
848
849config SIBYTE_SWARM
850	bool "Sibyte BCM91250A-SWARM"
851	select BOOT_ELF32
852	select HAVE_PATA_PLATFORM
853	select SIBYTE_SB1250
854	select SWAP_IO_SPACE
855	select SYS_HAS_CPU_SB1
856	select SYS_SUPPORTS_BIG_ENDIAN
857	select SYS_SUPPORTS_HIGHMEM
858	select SYS_SUPPORTS_LITTLE_ENDIAN
859	select ZONE_DMA32 if 64BIT
860	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
861
862config SIBYTE_LITTLESUR
863	bool "Sibyte BCM91250C2-LittleSur"
864	select BOOT_ELF32
865	select HAVE_PATA_PLATFORM
866	select SIBYTE_SB1250
867	select SWAP_IO_SPACE
868	select SYS_HAS_CPU_SB1
869	select SYS_SUPPORTS_BIG_ENDIAN
870	select SYS_SUPPORTS_HIGHMEM
871	select SYS_SUPPORTS_LITTLE_ENDIAN
872	select ZONE_DMA32 if 64BIT
873
874config SIBYTE_SENTOSA
875	bool "Sibyte BCM91250E-Sentosa"
876	select BOOT_ELF32
877	select SIBYTE_SB1250
878	select SWAP_IO_SPACE
879	select SYS_HAS_CPU_SB1
880	select SYS_SUPPORTS_BIG_ENDIAN
881	select SYS_SUPPORTS_LITTLE_ENDIAN
882	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
883
884config SIBYTE_BIGSUR
885	bool "Sibyte BCM91480B-BigSur"
886	select BOOT_ELF32
887	select NR_CPUS_DEFAULT_4
888	select SIBYTE_BCM1x80
889	select SWAP_IO_SPACE
890	select SYS_HAS_CPU_SB1
891	select SYS_SUPPORTS_BIG_ENDIAN
892	select SYS_SUPPORTS_HIGHMEM
893	select SYS_SUPPORTS_LITTLE_ENDIAN
894	select ZONE_DMA32 if 64BIT
895	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
896
897config SNI_RM
898	bool "SNI RM200/300/400"
899	select ARC_MEMORY
900	select ARC_PROMLIB
901	select FW_ARC if CPU_LITTLE_ENDIAN
902	select FW_ARC32 if CPU_LITTLE_ENDIAN
903	select FW_SNIPROM if CPU_BIG_ENDIAN
904	select ARCH_MAY_HAVE_PC_FDC
905	select ARCH_MIGHT_HAVE_PC_PARPORT
906	select ARCH_MIGHT_HAVE_PC_SERIO
907	select BOOT_ELF32
908	select CEVT_R4K
909	select CSRC_R4K
910	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
911	select DMA_NONCOHERENT
912	select GENERIC_ISA_DMA
913	select HAVE_EISA
914	select HAVE_PCSPKR_PLATFORM
915	select HAVE_PCI
916	select IRQ_MIPS_CPU
917	select I8253
918	select I8259
919	select ISA
920	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921	select SYS_HAS_CPU_R4X00
922	select SYS_HAS_CPU_R5000
923	select SYS_HAS_CPU_R10000
924	select R5000_CPU_SCACHE
925	select SYS_HAS_EARLY_PRINTK
926	select SYS_SUPPORTS_32BIT_KERNEL
927	select SYS_SUPPORTS_64BIT_KERNEL
928	select SYS_SUPPORTS_BIG_ENDIAN
929	select SYS_SUPPORTS_HIGHMEM
930	select SYS_SUPPORTS_LITTLE_ENDIAN
931	help
932	  The SNI RM200/300/400 are MIPS-based machines manufactured by
933	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
934	  Technology and now in turn merged with Fujitsu.  Say Y here to
935	  support this machine type.
936
937config MACH_TX39XX
938	bool "Toshiba TX39 series based machines"
939
940config MACH_TX49XX
941	bool "Toshiba TX49 series based machines"
942
943config MIKROTIK_RB532
944	bool "Mikrotik RB532 boards"
945	select CEVT_R4K
946	select CSRC_R4K
947	select DMA_NONCOHERENT
948	select HAVE_PCI
949	select IRQ_MIPS_CPU
950	select SYS_HAS_CPU_MIPS32_R1
951	select SYS_SUPPORTS_32BIT_KERNEL
952	select SYS_SUPPORTS_LITTLE_ENDIAN
953	select SWAP_IO_SPACE
954	select BOOT_RAW
955	select GPIOLIB
956	select MIPS_L1_CACHE_SHIFT_4
957	help
958	  Support the Mikrotik(tm) RouterBoard 532 series,
959	  based on the IDT RC32434 SoC.
960
961config CAVIUM_OCTEON_SOC
962	bool "Cavium Networks Octeon SoC based boards"
963	select CEVT_R4K
964	select ARCH_HAS_PHYS_TO_DMA
965	select HAVE_RAPIDIO
966	select PHYS_ADDR_T_64BIT
967	select SYS_SUPPORTS_64BIT_KERNEL
968	select SYS_SUPPORTS_BIG_ENDIAN
969	select EDAC_SUPPORT
970	select EDAC_ATOMIC_SCRUB
971	select SYS_SUPPORTS_LITTLE_ENDIAN
972	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
973	select SYS_HAS_EARLY_PRINTK
974	select SYS_HAS_CPU_CAVIUM_OCTEON
975	select HAVE_PCI
976	select ZONE_DMA32
977	select HOLES_IN_ZONE
978	select GPIOLIB
979	select USE_OF
980	select ARCH_SPARSEMEM_ENABLE
981	select SYS_SUPPORTS_SMP
982	select NR_CPUS_DEFAULT_64
983	select MIPS_NR_CPU_NR_MAP_1024
984	select BUILTIN_DTB
985	select MTD_COMPLEX_MAPPINGS
986	select SWIOTLB
987	select SYS_SUPPORTS_RELOCATABLE
988	help
989	  This option supports all of the Octeon reference boards from Cavium
990	  Networks. It builds a kernel that dynamically determines the Octeon
991	  CPU type and supports all known board reference implementations.
992	  Some of the supported boards are:
993		EBT3000
994		EBH3000
995		EBH3100
996		Thunder
997		Kodama
998		Hikari
999	  Say Y here for most Octeon reference boards.
1000
1001config NLM_XLR_BOARD
1002	bool "Netlogic XLR/XLS based systems"
1003	select BOOT_ELF32
1004	select NLM_COMMON
1005	select SYS_HAS_CPU_XLR
1006	select SYS_SUPPORTS_SMP
1007	select HAVE_PCI
1008	select SWAP_IO_SPACE
1009	select SYS_SUPPORTS_32BIT_KERNEL
1010	select SYS_SUPPORTS_64BIT_KERNEL
1011	select PHYS_ADDR_T_64BIT
1012	select SYS_SUPPORTS_BIG_ENDIAN
1013	select SYS_SUPPORTS_HIGHMEM
1014	select NR_CPUS_DEFAULT_32
1015	select CEVT_R4K
1016	select CSRC_R4K
1017	select IRQ_MIPS_CPU
1018	select ZONE_DMA32 if 64BIT
1019	select SYNC_R4K
1020	select SYS_HAS_EARLY_PRINTK
1021	select SYS_SUPPORTS_ZBOOT
1022	select SYS_SUPPORTS_ZBOOT_UART16550
1023	help
1024	  Support for systems based on Netlogic XLR and XLS processors.
1025	  Say Y here if you have a XLR or XLS based board.
1026
1027config NLM_XLP_BOARD
1028	bool "Netlogic XLP based systems"
1029	select BOOT_ELF32
1030	select NLM_COMMON
1031	select SYS_HAS_CPU_XLP
1032	select SYS_SUPPORTS_SMP
1033	select HAVE_PCI
1034	select SYS_SUPPORTS_32BIT_KERNEL
1035	select SYS_SUPPORTS_64BIT_KERNEL
1036	select PHYS_ADDR_T_64BIT
1037	select GPIOLIB
1038	select SYS_SUPPORTS_BIG_ENDIAN
1039	select SYS_SUPPORTS_LITTLE_ENDIAN
1040	select SYS_SUPPORTS_HIGHMEM
1041	select NR_CPUS_DEFAULT_32
1042	select CEVT_R4K
1043	select CSRC_R4K
1044	select IRQ_MIPS_CPU
1045	select ZONE_DMA32 if 64BIT
1046	select SYNC_R4K
1047	select SYS_HAS_EARLY_PRINTK
1048	select USE_OF
1049	select SYS_SUPPORTS_ZBOOT
1050	select SYS_SUPPORTS_ZBOOT_UART16550
1051	help
1052	  This board is based on Netlogic XLP Processor.
1053	  Say Y here if you have a XLP based board.
1054
1055config MIPS_PARAVIRT
1056	bool "Para-Virtualized guest system"
1057	select CEVT_R4K
1058	select CSRC_R4K
1059	select SYS_SUPPORTS_64BIT_KERNEL
1060	select SYS_SUPPORTS_32BIT_KERNEL
1061	select SYS_SUPPORTS_BIG_ENDIAN
1062	select SYS_SUPPORTS_SMP
1063	select NR_CPUS_DEFAULT_4
1064	select SYS_HAS_EARLY_PRINTK
1065	select SYS_HAS_CPU_MIPS32_R2
1066	select SYS_HAS_CPU_MIPS64_R2
1067	select SYS_HAS_CPU_CAVIUM_OCTEON
1068	select HAVE_PCI
1069	select SWAP_IO_SPACE
1070	help
1071	  This option supports guest running under ????
1072
1073endchoice
1074
1075source "arch/mips/alchemy/Kconfig"
1076source "arch/mips/ath25/Kconfig"
1077source "arch/mips/ath79/Kconfig"
1078source "arch/mips/bcm47xx/Kconfig"
1079source "arch/mips/bcm63xx/Kconfig"
1080source "arch/mips/bmips/Kconfig"
1081source "arch/mips/generic/Kconfig"
1082source "arch/mips/jazz/Kconfig"
1083source "arch/mips/jz4740/Kconfig"
1084source "arch/mips/lantiq/Kconfig"
1085source "arch/mips/lasat/Kconfig"
1086source "arch/mips/pic32/Kconfig"
1087source "arch/mips/pistachio/Kconfig"
1088source "arch/mips/pmcs-msp71xx/Kconfig"
1089source "arch/mips/ralink/Kconfig"
1090source "arch/mips/sgi-ip27/Kconfig"
1091source "arch/mips/sibyte/Kconfig"
1092source "arch/mips/txx9/Kconfig"
1093source "arch/mips/vr41xx/Kconfig"
1094source "arch/mips/cavium-octeon/Kconfig"
1095source "arch/mips/loongson2ef/Kconfig"
1096source "arch/mips/loongson32/Kconfig"
1097source "arch/mips/loongson64/Kconfig"
1098source "arch/mips/netlogic/Kconfig"
1099source "arch/mips/paravirt/Kconfig"
1100
1101endmenu
1102
1103config GENERIC_HWEIGHT
1104	bool
1105	default y
1106
1107config GENERIC_CALIBRATE_DELAY
1108	bool
1109	default y
1110
1111config SCHED_OMIT_FRAME_POINTER
1112	bool
1113	default y
1114
1115#
1116# Select some configuration options automatically based on user selections.
1117#
1118config FW_ARC
1119	bool
1120
1121config ARCH_MAY_HAVE_PC_FDC
1122	bool
1123
1124config BOOT_RAW
1125	bool
1126
1127config CEVT_BCM1480
1128	bool
1129
1130config CEVT_DS1287
1131	bool
1132
1133config CEVT_GT641XX
1134	bool
1135
1136config CEVT_R4K
1137	bool
1138
1139config CEVT_SB1250
1140	bool
1141
1142config CEVT_TXX9
1143	bool
1144
1145config CSRC_BCM1480
1146	bool
1147
1148config CSRC_IOASIC
1149	bool
1150
1151config CSRC_R4K
1152	bool
1153
1154config CSRC_SB1250
1155	bool
1156
1157config MIPS_CLOCK_VSYSCALL
1158	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1159
1160config GPIO_TXX9
1161	select GPIOLIB
1162	bool
1163
1164config FW_CFE
1165	bool
1166
1167config ARCH_SUPPORTS_UPROBES
1168	bool
1169
1170config DMA_MAYBE_COHERENT
1171	select ARCH_HAS_DMA_COHERENCE_H
1172	select DMA_NONCOHERENT
1173	bool
1174
1175config DMA_PERDEV_COHERENT
1176	bool
1177	select ARCH_HAS_SETUP_DMA_OPS
1178	select DMA_NONCOHERENT
1179
1180config DMA_NONCOHERENT
1181	bool
1182	#
1183	# MIPS allows mixing "slightly different" Cacheability and Coherency
1184	# Attribute bits.  It is believed that the uncached access through
1185	# KSEG1 and the implementation specific "uncached accelerated" used
1186	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1187	# significant advantages.
1188	#
1189	select ARCH_HAS_DMA_WRITE_COMBINE
1190	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1191	select ARCH_HAS_UNCACHED_SEGMENT
1192	select DMA_NONCOHERENT_MMAP
1193	select DMA_NONCOHERENT_CACHE_SYNC
1194	select NEED_DMA_MAP_STATE
1195
1196config SYS_HAS_EARLY_PRINTK
1197	bool
1198
1199config SYS_SUPPORTS_HOTPLUG_CPU
1200	bool
1201
1202config MIPS_BONITO64
1203	bool
1204
1205config MIPS_MSC
1206	bool
1207
1208config MIPS_NILE4
1209	bool
1210
1211config SYNC_R4K
1212	bool
1213
1214config MIPS_MACHINE
1215	def_bool n
1216
1217config NO_IOPORT_MAP
1218	def_bool n
1219
1220config GENERIC_CSUM
1221	def_bool CPU_NO_LOAD_STORE_LR
1222
1223config GENERIC_ISA_DMA
1224	bool
1225	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1226	select ISA_DMA_API
1227
1228config GENERIC_ISA_DMA_SUPPORT_BROKEN
1229	bool
1230	select GENERIC_ISA_DMA
1231
1232config ISA_DMA_API
1233	bool
1234
1235config HOLES_IN_ZONE
1236	bool
1237
1238config SYS_SUPPORTS_RELOCATABLE
1239	bool
1240	help
1241	  Selected if the platform supports relocating the kernel.
1242	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1243	  to allow access to command line and entropy sources.
1244
1245config MIPS_CBPF_JIT
1246	def_bool y
1247	depends on BPF_JIT && HAVE_CBPF_JIT
1248
1249config MIPS_EBPF_JIT
1250	def_bool y
1251	depends on BPF_JIT && HAVE_EBPF_JIT
1252
1253
1254#
1255# Endianness selection.  Sufficiently obscure so many users don't know what to
1256# answer,so we try hard to limit the available choices.  Also the use of a
1257# choice statement should be more obvious to the user.
1258#
1259choice
1260	prompt "Endianness selection"
1261	help
1262	  Some MIPS machines can be configured for either little or big endian
1263	  byte order. These modes require different kernels and a different
1264	  Linux distribution.  In general there is one preferred byteorder for a
1265	  particular system but some systems are just as commonly used in the
1266	  one or the other endianness.
1267
1268config CPU_BIG_ENDIAN
1269	bool "Big endian"
1270	depends on SYS_SUPPORTS_BIG_ENDIAN
1271
1272config CPU_LITTLE_ENDIAN
1273	bool "Little endian"
1274	depends on SYS_SUPPORTS_LITTLE_ENDIAN
1275
1276endchoice
1277
1278config EXPORT_UASM
1279	bool
1280
1281config SYS_SUPPORTS_APM_EMULATION
1282	bool
1283
1284config SYS_SUPPORTS_BIG_ENDIAN
1285	bool
1286
1287config SYS_SUPPORTS_LITTLE_ENDIAN
1288	bool
1289
1290config SYS_SUPPORTS_HUGETLBFS
1291	bool
1292	depends on CPU_SUPPORTS_HUGEPAGES
1293	default y
1294
1295config MIPS_HUGE_TLB_SUPPORT
1296	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1297
1298config IRQ_CPU_RM7K
1299	bool
1300
1301config IRQ_MSP_SLP
1302	bool
1303
1304config IRQ_MSP_CIC
1305	bool
1306
1307config IRQ_TXX9
1308	bool
1309
1310config IRQ_GT641XX
1311	bool
1312
1313config PCI_GT64XXX_PCI0
1314	bool
1315
1316config PCI_XTALK_BRIDGE
1317	bool
1318
1319config NO_EXCEPT_FILL
1320	bool
1321
1322config SOC_EMMA2RH
1323	bool
1324	select CEVT_R4K
1325	select CSRC_R4K
1326	select DMA_NONCOHERENT
1327	select IRQ_MIPS_CPU
1328	select SWAP_IO_SPACE
1329	select SYS_HAS_CPU_R5500
1330	select SYS_SUPPORTS_32BIT_KERNEL
1331	select SYS_SUPPORTS_64BIT_KERNEL
1332	select SYS_SUPPORTS_BIG_ENDIAN
1333
1334config SOC_PNX833X
1335	bool
1336	select CEVT_R4K
1337	select CSRC_R4K
1338	select IRQ_MIPS_CPU
1339	select DMA_NONCOHERENT
1340	select SYS_HAS_CPU_MIPS32_R2
1341	select SYS_SUPPORTS_32BIT_KERNEL
1342	select SYS_SUPPORTS_LITTLE_ENDIAN
1343	select SYS_SUPPORTS_BIG_ENDIAN
1344	select SYS_SUPPORTS_MIPS16
1345	select CPU_MIPSR2_IRQ_VI
1346
1347config SOC_PNX8335
1348	bool
1349	select SOC_PNX833X
1350
1351config MIPS_SPRAM
1352	bool
1353
1354config SWAP_IO_SPACE
1355	bool
1356
1357config SGI_HAS_INDYDOG
1358	bool
1359
1360config SGI_HAS_HAL2
1361	bool
1362
1363config SGI_HAS_SEEQ
1364	bool
1365
1366config SGI_HAS_WD93
1367	bool
1368
1369config SGI_HAS_ZILOG
1370	bool
1371
1372config SGI_HAS_I8042
1373	bool
1374
1375config DEFAULT_SGI_PARTITION
1376	bool
1377
1378config FW_ARC32
1379	bool
1380
1381config FW_SNIPROM
1382	bool
1383
1384config BOOT_ELF32
1385	bool
1386
1387config MIPS_L1_CACHE_SHIFT_4
1388	bool
1389
1390config MIPS_L1_CACHE_SHIFT_5
1391	bool
1392
1393config MIPS_L1_CACHE_SHIFT_6
1394	bool
1395
1396config MIPS_L1_CACHE_SHIFT_7
1397	bool
1398
1399config MIPS_L1_CACHE_SHIFT
1400	int
1401	default "7" if MIPS_L1_CACHE_SHIFT_7
1402	default "6" if MIPS_L1_CACHE_SHIFT_6
1403	default "5" if MIPS_L1_CACHE_SHIFT_5
1404	default "4" if MIPS_L1_CACHE_SHIFT_4
1405	default "5"
1406
1407config HAVE_STD_PC_SERIAL_PORT
1408	bool
1409
1410config ARC_CMDLINE_ONLY
1411	bool
1412
1413config ARC_CONSOLE
1414	bool "ARC console support"
1415	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1416
1417config ARC_MEMORY
1418	bool
1419
1420config ARC_PROMLIB
1421	bool
1422
1423config FW_ARC64
1424	bool
1425
1426config BOOT_ELF64
1427	bool
1428
1429menu "CPU selection"
1430
1431choice
1432	prompt "CPU type"
1433	default CPU_R4X00
1434
1435config CPU_LOONGSON64
1436	bool "Loongson 64-bit CPU"
1437	depends on SYS_HAS_CPU_LOONGSON64
1438	select ARCH_HAS_PHYS_TO_DMA
1439	select CPU_MIPSR2
1440	select CPU_HAS_PREFETCH
1441	select CPU_SUPPORTS_64BIT_KERNEL
1442	select CPU_SUPPORTS_HIGHMEM
1443	select CPU_SUPPORTS_HUGEPAGES
1444	select CPU_SUPPORTS_MSA
1445	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1446	select CPU_MIPSR2_IRQ_VI
1447	select WEAK_ORDERING
1448	select WEAK_REORDERING_BEYOND_LLSC
1449	select MIPS_ASID_BITS_VARIABLE
1450	select MIPS_PGD_C0_CONTEXT
1451	select MIPS_L1_CACHE_SHIFT_6
1452	select GPIOLIB
1453	select SWIOTLB
1454	help
1455		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1456		cores implements the MIPS64R2 instruction set with many extensions,
1457		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1458		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1459		Loongson-2E/2F is not covered here and will be removed in future.
1460
1461config LOONGSON3_ENHANCEMENT
1462	bool "New Loongson-3 CPU Enhancements"
1463	default n
1464	depends on CPU_LOONGSON64
1465	help
1466	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1467	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1468	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1469	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1470	  Fast TLB refill support, etc.
1471
1472	  This option enable those enhancements which are not probed at run
1473	  time. If you want a generic kernel to run on all Loongson 3 machines,
1474	  please say 'N' here. If you want a high-performance kernel to run on
1475	  new Loongson-3 machines only, please say 'Y' here.
1476
1477config CPU_LOONGSON3_WORKAROUNDS
1478	bool "Old Loongson-3 LLSC Workarounds"
1479	default y if SMP
1480	depends on CPU_LOONGSON64
1481	help
1482	  Loongson-3 processors have the llsc issues which require workarounds.
1483	  Without workarounds the system may hang unexpectedly.
1484
1485	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1486	  The workarounds have no significant side effect on them but may
1487	  decrease the performance of the system so this option should be
1488	  disabled unless the kernel is intended to be run on old systems.
1489
1490	  If unsure, please say Y.
1491
1492config CPU_LOONGSON2E
1493	bool "Loongson 2E"
1494	depends on SYS_HAS_CPU_LOONGSON2E
1495	select CPU_LOONGSON2EF
1496	help
1497	  The Loongson 2E processor implements the MIPS III instruction set
1498	  with many extensions.
1499
1500	  It has an internal FPGA northbridge, which is compatible to
1501	  bonito64.
1502
1503config CPU_LOONGSON2F
1504	bool "Loongson 2F"
1505	depends on SYS_HAS_CPU_LOONGSON2F
1506	select CPU_LOONGSON2EF
1507	select GPIOLIB
1508	help
1509	  The Loongson 2F processor implements the MIPS III instruction set
1510	  with many extensions.
1511
1512	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1513	  have a similar programming interface with FPGA northbridge used in
1514	  Loongson2E.
1515
1516config CPU_LOONGSON1B
1517	bool "Loongson 1B"
1518	depends on SYS_HAS_CPU_LOONGSON1B
1519	select CPU_LOONGSON32
1520	select LEDS_GPIO_REGISTER
1521	help
1522	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1523	  Release 1 instruction set and part of the MIPS32 Release 2
1524	  instruction set.
1525
1526config CPU_LOONGSON1C
1527	bool "Loongson 1C"
1528	depends on SYS_HAS_CPU_LOONGSON1C
1529	select CPU_LOONGSON32
1530	select LEDS_GPIO_REGISTER
1531	help
1532	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1533	  Release 1 instruction set and part of the MIPS32 Release 2
1534	  instruction set.
1535
1536config CPU_MIPS32_R1
1537	bool "MIPS32 Release 1"
1538	depends on SYS_HAS_CPU_MIPS32_R1
1539	select CPU_HAS_PREFETCH
1540	select CPU_SUPPORTS_32BIT_KERNEL
1541	select CPU_SUPPORTS_HIGHMEM
1542	help
1543	  Choose this option to build a kernel for release 1 or later of the
1544	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1545	  MIPS processor are based on a MIPS32 processor.  If you know the
1546	  specific type of processor in your system, choose those that one
1547	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1548	  Release 2 of the MIPS32 architecture is available since several
1549	  years so chances are you even have a MIPS32 Release 2 processor
1550	  in which case you should choose CPU_MIPS32_R2 instead for better
1551	  performance.
1552
1553config CPU_MIPS32_R2
1554	bool "MIPS32 Release 2"
1555	depends on SYS_HAS_CPU_MIPS32_R2
1556	select CPU_HAS_PREFETCH
1557	select CPU_SUPPORTS_32BIT_KERNEL
1558	select CPU_SUPPORTS_HIGHMEM
1559	select CPU_SUPPORTS_MSA
1560	select HAVE_KVM
1561	help
1562	  Choose this option to build a kernel for release 2 or later of the
1563	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
1564	  MIPS processor are based on a MIPS32 processor.  If you know the
1565	  specific type of processor in your system, choose those that one
1566	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1567
1568config CPU_MIPS32_R6
1569	bool "MIPS32 Release 6"
1570	depends on SYS_HAS_CPU_MIPS32_R6
1571	select CPU_HAS_PREFETCH
1572	select CPU_NO_LOAD_STORE_LR
1573	select CPU_SUPPORTS_32BIT_KERNEL
1574	select CPU_SUPPORTS_HIGHMEM
1575	select CPU_SUPPORTS_MSA
1576	select HAVE_KVM
1577	select MIPS_O32_FP64_SUPPORT
1578	help
1579	  Choose this option to build a kernel for release 6 or later of the
1580	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1581	  family, are based on a MIPS32r6 processor. If you own an older
1582	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1583
1584config CPU_MIPS64_R1
1585	bool "MIPS64 Release 1"
1586	depends on SYS_HAS_CPU_MIPS64_R1
1587	select CPU_HAS_PREFETCH
1588	select CPU_SUPPORTS_32BIT_KERNEL
1589	select CPU_SUPPORTS_64BIT_KERNEL
1590	select CPU_SUPPORTS_HIGHMEM
1591	select CPU_SUPPORTS_HUGEPAGES
1592	help
1593	  Choose this option to build a kernel for release 1 or later of the
1594	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1595	  MIPS processor are based on a MIPS64 processor.  If you know the
1596	  specific type of processor in your system, choose those that one
1597	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1598	  Release 2 of the MIPS64 architecture is available since several
1599	  years so chances are you even have a MIPS64 Release 2 processor
1600	  in which case you should choose CPU_MIPS64_R2 instead for better
1601	  performance.
1602
1603config CPU_MIPS64_R2
1604	bool "MIPS64 Release 2"
1605	depends on SYS_HAS_CPU_MIPS64_R2
1606	select CPU_HAS_PREFETCH
1607	select CPU_SUPPORTS_32BIT_KERNEL
1608	select CPU_SUPPORTS_64BIT_KERNEL
1609	select CPU_SUPPORTS_HIGHMEM
1610	select CPU_SUPPORTS_HUGEPAGES
1611	select CPU_SUPPORTS_MSA
1612	select HAVE_KVM
1613	help
1614	  Choose this option to build a kernel for release 2 or later of the
1615	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
1616	  MIPS processor are based on a MIPS64 processor.  If you know the
1617	  specific type of processor in your system, choose those that one
1618	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1619
1620config CPU_MIPS64_R6
1621	bool "MIPS64 Release 6"
1622	depends on SYS_HAS_CPU_MIPS64_R6
1623	select CPU_HAS_PREFETCH
1624	select CPU_NO_LOAD_STORE_LR
1625	select CPU_SUPPORTS_32BIT_KERNEL
1626	select CPU_SUPPORTS_64BIT_KERNEL
1627	select CPU_SUPPORTS_HIGHMEM
1628	select CPU_SUPPORTS_HUGEPAGES
1629	select CPU_SUPPORTS_MSA
1630	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1631	select HAVE_KVM
1632	help
1633	  Choose this option to build a kernel for release 6 or later of the
1634	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
1635	  family, are based on a MIPS64r6 processor. If you own an older
1636	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1637
1638config CPU_R3000
1639	bool "R3000"
1640	depends on SYS_HAS_CPU_R3000
1641	select CPU_HAS_WB
1642	select CPU_R3K_TLB
1643	select CPU_SUPPORTS_32BIT_KERNEL
1644	select CPU_SUPPORTS_HIGHMEM
1645	help
1646	  Please make sure to pick the right CPU type. Linux/MIPS is not
1647	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1648	  *not* work on R4000 machines and vice versa.  However, since most
1649	  of the supported machines have an R4000 (or similar) CPU, R4x00
1650	  might be a safe bet.  If the resulting kernel does not work,
1651	  try to recompile with R3000.
1652
1653config CPU_TX39XX
1654	bool "R39XX"
1655	depends on SYS_HAS_CPU_TX39XX
1656	select CPU_SUPPORTS_32BIT_KERNEL
1657	select CPU_R3K_TLB
1658
1659config CPU_VR41XX
1660	bool "R41xx"
1661	depends on SYS_HAS_CPU_VR41XX
1662	select CPU_SUPPORTS_32BIT_KERNEL
1663	select CPU_SUPPORTS_64BIT_KERNEL
1664	help
1665	  The options selects support for the NEC VR4100 series of processors.
1666	  Only choose this option if you have one of these processors as a
1667	  kernel built with this option will not run on any other type of
1668	  processor or vice versa.
1669
1670config CPU_R4X00
1671	bool "R4x00"
1672	depends on SYS_HAS_CPU_R4X00
1673	select CPU_SUPPORTS_32BIT_KERNEL
1674	select CPU_SUPPORTS_64BIT_KERNEL
1675	select CPU_SUPPORTS_HUGEPAGES
1676	help
1677	  MIPS Technologies R4000-series processors other than 4300, including
1678	  the R4000, R4400, R4600, and 4700.
1679
1680config CPU_TX49XX
1681	bool "R49XX"
1682	depends on SYS_HAS_CPU_TX49XX
1683	select CPU_HAS_PREFETCH
1684	select CPU_SUPPORTS_32BIT_KERNEL
1685	select CPU_SUPPORTS_64BIT_KERNEL
1686	select CPU_SUPPORTS_HUGEPAGES
1687
1688config CPU_R5000
1689	bool "R5000"
1690	depends on SYS_HAS_CPU_R5000
1691	select CPU_SUPPORTS_32BIT_KERNEL
1692	select CPU_SUPPORTS_64BIT_KERNEL
1693	select CPU_SUPPORTS_HUGEPAGES
1694	help
1695	  MIPS Technologies R5000-series processors other than the Nevada.
1696
1697config CPU_R5500
1698	bool "R5500"
1699	depends on SYS_HAS_CPU_R5500
1700	select CPU_SUPPORTS_32BIT_KERNEL
1701	select CPU_SUPPORTS_64BIT_KERNEL
1702	select CPU_SUPPORTS_HUGEPAGES
1703	help
1704	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1705	  instruction set.
1706
1707config CPU_NEVADA
1708	bool "RM52xx"
1709	depends on SYS_HAS_CPU_NEVADA
1710	select CPU_SUPPORTS_32BIT_KERNEL
1711	select CPU_SUPPORTS_64BIT_KERNEL
1712	select CPU_SUPPORTS_HUGEPAGES
1713	help
1714	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1715
1716config CPU_R10000
1717	bool "R10000"
1718	depends on SYS_HAS_CPU_R10000
1719	select CPU_HAS_PREFETCH
1720	select CPU_SUPPORTS_32BIT_KERNEL
1721	select CPU_SUPPORTS_64BIT_KERNEL
1722	select CPU_SUPPORTS_HIGHMEM
1723	select CPU_SUPPORTS_HUGEPAGES
1724	help
1725	  MIPS Technologies R10000-series processors.
1726
1727config CPU_RM7000
1728	bool "RM7000"
1729	depends on SYS_HAS_CPU_RM7000
1730	select CPU_HAS_PREFETCH
1731	select CPU_SUPPORTS_32BIT_KERNEL
1732	select CPU_SUPPORTS_64BIT_KERNEL
1733	select CPU_SUPPORTS_HIGHMEM
1734	select CPU_SUPPORTS_HUGEPAGES
1735
1736config CPU_SB1
1737	bool "SB1"
1738	depends on SYS_HAS_CPU_SB1
1739	select CPU_SUPPORTS_32BIT_KERNEL
1740	select CPU_SUPPORTS_64BIT_KERNEL
1741	select CPU_SUPPORTS_HIGHMEM
1742	select CPU_SUPPORTS_HUGEPAGES
1743	select WEAK_ORDERING
1744
1745config CPU_CAVIUM_OCTEON
1746	bool "Cavium Octeon processor"
1747	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1748	select CPU_HAS_PREFETCH
1749	select CPU_SUPPORTS_64BIT_KERNEL
1750	select WEAK_ORDERING
1751	select CPU_SUPPORTS_HIGHMEM
1752	select CPU_SUPPORTS_HUGEPAGES
1753	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1754	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1755	select MIPS_L1_CACHE_SHIFT_7
1756	select HAVE_KVM
1757	help
1758	  The Cavium Octeon processor is a highly integrated chip containing
1759	  many ethernet hardware widgets for networking tasks. The processor
1760	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1761	  Full details can be found at http://www.caviumnetworks.com.
1762
1763config CPU_BMIPS
1764	bool "Broadcom BMIPS"
1765	depends on SYS_HAS_CPU_BMIPS
1766	select CPU_MIPS32
1767	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1768	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1769	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1770	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1771	select CPU_SUPPORTS_32BIT_KERNEL
1772	select DMA_NONCOHERENT
1773	select IRQ_MIPS_CPU
1774	select SWAP_IO_SPACE
1775	select WEAK_ORDERING
1776	select CPU_SUPPORTS_HIGHMEM
1777	select CPU_HAS_PREFETCH
1778	select CPU_SUPPORTS_CPUFREQ
1779	select MIPS_EXTERNAL_TIMER
1780	help
1781	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1782
1783config CPU_XLR
1784	bool "Netlogic XLR SoC"
1785	depends on SYS_HAS_CPU_XLR
1786	select CPU_SUPPORTS_32BIT_KERNEL
1787	select CPU_SUPPORTS_64BIT_KERNEL
1788	select CPU_SUPPORTS_HIGHMEM
1789	select CPU_SUPPORTS_HUGEPAGES
1790	select WEAK_ORDERING
1791	select WEAK_REORDERING_BEYOND_LLSC
1792	help
1793	  Netlogic Microsystems XLR/XLS processors.
1794
1795config CPU_XLP
1796	bool "Netlogic XLP SoC"
1797	depends on SYS_HAS_CPU_XLP
1798	select CPU_SUPPORTS_32BIT_KERNEL
1799	select CPU_SUPPORTS_64BIT_KERNEL
1800	select CPU_SUPPORTS_HIGHMEM
1801	select WEAK_ORDERING
1802	select WEAK_REORDERING_BEYOND_LLSC
1803	select CPU_HAS_PREFETCH
1804	select CPU_MIPSR2
1805	select CPU_SUPPORTS_HUGEPAGES
1806	select MIPS_ASID_BITS_VARIABLE
1807	help
1808	  Netlogic Microsystems XLP processors.
1809endchoice
1810
1811config CPU_MIPS32_3_5_FEATURES
1812	bool "MIPS32 Release 3.5 Features"
1813	depends on SYS_HAS_CPU_MIPS32_R3_5
1814	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1815	help
1816	  Choose this option to build a kernel for release 2 or later of the
1817	  MIPS32 architecture including features from the 3.5 release such as
1818	  support for Enhanced Virtual Addressing (EVA).
1819
1820config CPU_MIPS32_3_5_EVA
1821	bool "Enhanced Virtual Addressing (EVA)"
1822	depends on CPU_MIPS32_3_5_FEATURES
1823	select EVA
1824	default y
1825	help
1826	  Choose this option if you want to enable the Enhanced Virtual
1827	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1828	  One of its primary benefits is an increase in the maximum size
1829	  of lowmem (up to 3GB). If unsure, say 'N' here.
1830
1831config CPU_MIPS32_R5_FEATURES
1832	bool "MIPS32 Release 5 Features"
1833	depends on SYS_HAS_CPU_MIPS32_R5
1834	depends on CPU_MIPS32_R2
1835	help
1836	  Choose this option to build a kernel for release 2 or later of the
1837	  MIPS32 architecture including features from release 5 such as
1838	  support for Extended Physical Addressing (XPA).
1839
1840config CPU_MIPS32_R5_XPA
1841	bool "Extended Physical Addressing (XPA)"
1842	depends on CPU_MIPS32_R5_FEATURES
1843	depends on !EVA
1844	depends on !PAGE_SIZE_4KB
1845	depends on SYS_SUPPORTS_HIGHMEM
1846	select XPA
1847	select HIGHMEM
1848	select PHYS_ADDR_T_64BIT
1849	default n
1850	help
1851	  Choose this option if you want to enable the Extended Physical
1852	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1853	  benefit is to increase physical addressing equal to or greater
1854	  than 40 bits. Note that this has the side effect of turning on
1855	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1856	  If unsure, say 'N' here.
1857
1858if CPU_LOONGSON2F
1859config CPU_NOP_WORKAROUNDS
1860	bool
1861
1862config CPU_JUMP_WORKAROUNDS
1863	bool
1864
1865config CPU_LOONGSON2F_WORKAROUNDS
1866	bool "Loongson 2F Workarounds"
1867	default y
1868	select CPU_NOP_WORKAROUNDS
1869	select CPU_JUMP_WORKAROUNDS
1870	help
1871	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1872	  require workarounds.  Without workarounds the system may hang
1873	  unexpectedly.  For more information please refer to the gas
1874	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1875
1876	  Loongson 2F03 and later have fixed these issues and no workarounds
1877	  are needed.  The workarounds have no significant side effect on them
1878	  but may decrease the performance of the system so this option should
1879	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1880	  systems.
1881
1882	  If unsure, please say Y.
1883endif # CPU_LOONGSON2F
1884
1885config SYS_SUPPORTS_ZBOOT
1886	bool
1887	select HAVE_KERNEL_GZIP
1888	select HAVE_KERNEL_BZIP2
1889	select HAVE_KERNEL_LZ4
1890	select HAVE_KERNEL_LZMA
1891	select HAVE_KERNEL_LZO
1892	select HAVE_KERNEL_XZ
1893
1894config SYS_SUPPORTS_ZBOOT_UART16550
1895	bool
1896	select SYS_SUPPORTS_ZBOOT
1897
1898config SYS_SUPPORTS_ZBOOT_UART_PROM
1899	bool
1900	select SYS_SUPPORTS_ZBOOT
1901
1902config CPU_LOONGSON2EF
1903	bool
1904	select CPU_SUPPORTS_32BIT_KERNEL
1905	select CPU_SUPPORTS_64BIT_KERNEL
1906	select CPU_SUPPORTS_HIGHMEM
1907	select CPU_SUPPORTS_HUGEPAGES
1908	select ARCH_HAS_PHYS_TO_DMA
1909
1910config CPU_LOONGSON32
1911	bool
1912	select CPU_MIPS32
1913	select CPU_MIPSR2
1914	select CPU_HAS_PREFETCH
1915	select CPU_SUPPORTS_32BIT_KERNEL
1916	select CPU_SUPPORTS_HIGHMEM
1917	select CPU_SUPPORTS_CPUFREQ
1918
1919config CPU_BMIPS32_3300
1920	select SMP_UP if SMP
1921	bool
1922
1923config CPU_BMIPS4350
1924	bool
1925	select SYS_SUPPORTS_SMP
1926	select SYS_SUPPORTS_HOTPLUG_CPU
1927
1928config CPU_BMIPS4380
1929	bool
1930	select MIPS_L1_CACHE_SHIFT_6
1931	select SYS_SUPPORTS_SMP
1932	select SYS_SUPPORTS_HOTPLUG_CPU
1933	select CPU_HAS_RIXI
1934
1935config CPU_BMIPS5000
1936	bool
1937	select MIPS_CPU_SCACHE
1938	select MIPS_L1_CACHE_SHIFT_7
1939	select SYS_SUPPORTS_SMP
1940	select SYS_SUPPORTS_HOTPLUG_CPU
1941	select CPU_HAS_RIXI
1942
1943config SYS_HAS_CPU_LOONGSON64
1944	bool
1945	select CPU_SUPPORTS_CPUFREQ
1946	select CPU_HAS_RIXI
1947
1948config SYS_HAS_CPU_LOONGSON2E
1949	bool
1950
1951config SYS_HAS_CPU_LOONGSON2F
1952	bool
1953	select CPU_SUPPORTS_CPUFREQ
1954	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1955
1956config SYS_HAS_CPU_LOONGSON1B
1957	bool
1958
1959config SYS_HAS_CPU_LOONGSON1C
1960	bool
1961
1962config SYS_HAS_CPU_MIPS32_R1
1963	bool
1964
1965config SYS_HAS_CPU_MIPS32_R2
1966	bool
1967
1968config SYS_HAS_CPU_MIPS32_R3_5
1969	bool
1970
1971config SYS_HAS_CPU_MIPS32_R5
1972	bool
1973	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1974
1975config SYS_HAS_CPU_MIPS32_R6
1976	bool
1977	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1978
1979config SYS_HAS_CPU_MIPS64_R1
1980	bool
1981
1982config SYS_HAS_CPU_MIPS64_R2
1983	bool
1984
1985config SYS_HAS_CPU_MIPS64_R6
1986	bool
1987	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1988
1989config SYS_HAS_CPU_R3000
1990	bool
1991
1992config SYS_HAS_CPU_TX39XX
1993	bool
1994
1995config SYS_HAS_CPU_VR41XX
1996	bool
1997
1998config SYS_HAS_CPU_R4X00
1999	bool
2000
2001config SYS_HAS_CPU_TX49XX
2002	bool
2003
2004config SYS_HAS_CPU_R5000
2005	bool
2006
2007config SYS_HAS_CPU_R5500
2008	bool
2009
2010config SYS_HAS_CPU_NEVADA
2011	bool
2012
2013config SYS_HAS_CPU_R10000
2014	bool
2015	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2016
2017config SYS_HAS_CPU_RM7000
2018	bool
2019
2020config SYS_HAS_CPU_SB1
2021	bool
2022
2023config SYS_HAS_CPU_CAVIUM_OCTEON
2024	bool
2025
2026config SYS_HAS_CPU_BMIPS
2027	bool
2028
2029config SYS_HAS_CPU_BMIPS32_3300
2030	bool
2031	select SYS_HAS_CPU_BMIPS
2032
2033config SYS_HAS_CPU_BMIPS4350
2034	bool
2035	select SYS_HAS_CPU_BMIPS
2036
2037config SYS_HAS_CPU_BMIPS4380
2038	bool
2039	select SYS_HAS_CPU_BMIPS
2040
2041config SYS_HAS_CPU_BMIPS5000
2042	bool
2043	select SYS_HAS_CPU_BMIPS
2044	select ARCH_HAS_SYNC_DMA_FOR_CPU
2045
2046config SYS_HAS_CPU_XLR
2047	bool
2048
2049config SYS_HAS_CPU_XLP
2050	bool
2051
2052#
2053# CPU may reorder R->R, R->W, W->R, W->W
2054# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2055#
2056config WEAK_ORDERING
2057	bool
2058
2059#
2060# CPU may reorder reads and writes beyond LL/SC
2061# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2062#
2063config WEAK_REORDERING_BEYOND_LLSC
2064	bool
2065endmenu
2066
2067#
2068# These two indicate any level of the MIPS32 and MIPS64 architecture
2069#
2070config CPU_MIPS32
2071	bool
2072	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2073
2074config CPU_MIPS64
2075	bool
2076	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2077
2078#
2079# These indicate the revision of the architecture
2080#
2081config CPU_MIPSR1
2082	bool
2083	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2084
2085config CPU_MIPSR2
2086	bool
2087	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2088	select CPU_HAS_RIXI
2089	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2090	select MIPS_SPRAM
2091
2092config CPU_MIPSR6
2093	bool
2094	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2095	select CPU_HAS_RIXI
2096	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2097	select HAVE_ARCH_BITREVERSE
2098	select MIPS_ASID_BITS_VARIABLE
2099	select MIPS_CRC_SUPPORT
2100	select MIPS_SPRAM
2101
2102config TARGET_ISA_REV
2103	int
2104	default 1 if CPU_MIPSR1
2105	default 2 if CPU_MIPSR2
2106	default 6 if CPU_MIPSR6
2107	default 0
2108	help
2109	  Reflects the ISA revision being targeted by the kernel build. This
2110	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
2111
2112config EVA
2113	bool
2114
2115config XPA
2116	bool
2117
2118config SYS_SUPPORTS_32BIT_KERNEL
2119	bool
2120config SYS_SUPPORTS_64BIT_KERNEL
2121	bool
2122config CPU_SUPPORTS_32BIT_KERNEL
2123	bool
2124config CPU_SUPPORTS_64BIT_KERNEL
2125	bool
2126config CPU_SUPPORTS_CPUFREQ
2127	bool
2128config CPU_SUPPORTS_ADDRWINCFG
2129	bool
2130config CPU_SUPPORTS_HUGEPAGES
2131	bool
2132	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2133config MIPS_PGD_C0_CONTEXT
2134	bool
2135	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2136
2137#
2138# Set to y for ptrace access to watch registers.
2139#
2140config HARDWARE_WATCHPOINTS
2141	bool
2142	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2143
2144menu "Kernel type"
2145
2146choice
2147	prompt "Kernel code model"
2148	help
2149	  You should only select this option if you have a workload that
2150	  actually benefits from 64-bit processing or if your machine has
2151	  large memory.  You will only be presented a single option in this
2152	  menu if your system does not support both 32-bit and 64-bit kernels.
2153
2154config 32BIT
2155	bool "32-bit kernel"
2156	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2157	select TRAD_SIGNALS
2158	help
2159	  Select this option if you want to build a 32-bit kernel.
2160
2161config 64BIT
2162	bool "64-bit kernel"
2163	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2164	help
2165	  Select this option if you want to build a 64-bit kernel.
2166
2167endchoice
2168
2169config KVM_GUEST
2170	bool "KVM Guest Kernel"
2171	depends on BROKEN_ON_SMP
2172	help
2173	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2174	  mode.
2175
2176config KVM_GUEST_TIMER_FREQ
2177	int "Count/Compare Timer Frequency (MHz)"
2178	depends on KVM_GUEST
2179	default 100
2180	help
2181	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2182	  emulation when determining guest CPU Frequency. Instead, the guest's
2183	  timer frequency is specified directly.
2184
2185config MIPS_VA_BITS_48
2186	bool "48 bits virtual memory"
2187	depends on 64BIT
2188	help
2189	  Support a maximum at least 48 bits of application virtual
2190	  memory.  Default is 40 bits or less, depending on the CPU.
2191	  For page sizes 16k and above, this option results in a small
2192	  memory overhead for page tables.  For 4k page size, a fourth
2193	  level of page tables is added which imposes both a memory
2194	  overhead as well as slower TLB fault handling.
2195
2196	  If unsure, say N.
2197
2198choice
2199	prompt "Kernel page size"
2200	default PAGE_SIZE_4KB
2201
2202config PAGE_SIZE_4KB
2203	bool "4kB"
2204	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
2205	help
2206	  This option select the standard 4kB Linux page size.  On some
2207	  R3000-family processors this is the only available page size.  Using
2208	  4kB page size will minimize memory consumption and is therefore
2209	  recommended for low memory systems.
2210
2211config PAGE_SIZE_8KB
2212	bool "8kB"
2213	depends on CPU_CAVIUM_OCTEON
2214	depends on !MIPS_VA_BITS_48
2215	help
2216	  Using 8kB page size will result in higher performance kernel at
2217	  the price of higher memory consumption.  This option is available
2218	  only on cnMIPS processors.  Note that you will need a suitable Linux
2219	  distribution to support this.
2220
2221config PAGE_SIZE_16KB
2222	bool "16kB"
2223	depends on !CPU_R3000 && !CPU_TX39XX
2224	help
2225	  Using 16kB page size will result in higher performance kernel at
2226	  the price of higher memory consumption.  This option is available on
2227	  all non-R3000 family processors.  Note that you will need a suitable
2228	  Linux distribution to support this.
2229
2230config PAGE_SIZE_32KB
2231	bool "32kB"
2232	depends on CPU_CAVIUM_OCTEON
2233	depends on !MIPS_VA_BITS_48
2234	help
2235	  Using 32kB page size will result in higher performance kernel at
2236	  the price of higher memory consumption.  This option is available
2237	  only on cnMIPS cores.  Note that you will need a suitable Linux
2238	  distribution to support this.
2239
2240config PAGE_SIZE_64KB
2241	bool "64kB"
2242	depends on !CPU_R3000 && !CPU_TX39XX
2243	help
2244	  Using 64kB page size will result in higher performance kernel at
2245	  the price of higher memory consumption.  This option is available on
2246	  all non-R3000 family processor.  Not that at the time of this
2247	  writing this option is still high experimental.
2248
2249endchoice
2250
2251config FORCE_MAX_ZONEORDER
2252	int "Maximum zone order"
2253	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2254	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2255	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2256	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2257	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2258	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2259	range 11 64
2260	default "11"
2261	help
2262	  The kernel memory allocator divides physically contiguous memory
2263	  blocks into "zones", where each zone is a power of two number of
2264	  pages.  This option selects the largest power of two that the kernel
2265	  keeps in the memory allocator.  If you need to allocate very large
2266	  blocks of physically contiguous memory, then you may need to
2267	  increase this value.
2268
2269	  This config option is actually maximum order plus one. For example,
2270	  a value of 11 means that the largest free memory block is 2^10 pages.
2271
2272	  The page size is not necessarily 4KB.  Keep this in mind
2273	  when choosing a value for this option.
2274
2275config BOARD_SCACHE
2276	bool
2277
2278config IP22_CPU_SCACHE
2279	bool
2280	select BOARD_SCACHE
2281
2282#
2283# Support for a MIPS32 / MIPS64 style S-caches
2284#
2285config MIPS_CPU_SCACHE
2286	bool
2287	select BOARD_SCACHE
2288
2289config R5000_CPU_SCACHE
2290	bool
2291	select BOARD_SCACHE
2292
2293config RM7000_CPU_SCACHE
2294	bool
2295	select BOARD_SCACHE
2296
2297config SIBYTE_DMA_PAGEOPS
2298	bool "Use DMA to clear/copy pages"
2299	depends on CPU_SB1
2300	help
2301	  Instead of using the CPU to zero and copy pages, use a Data Mover
2302	  channel.  These DMA channels are otherwise unused by the standard
2303	  SiByte Linux port.  Seems to give a small performance benefit.
2304
2305config CPU_HAS_PREFETCH
2306	bool
2307
2308config CPU_GENERIC_DUMP_TLB
2309	bool
2310	default y if !(CPU_R3000 || CPU_TX39XX)
2311
2312config MIPS_FP_SUPPORT
2313	bool "Floating Point support" if EXPERT
2314	default y
2315	help
2316	  Select y to include support for floating point in the kernel
2317	  including initialization of FPU hardware, FP context save & restore
2318	  and emulation of an FPU where necessary. Without this support any
2319	  userland program attempting to use floating point instructions will
2320	  receive a SIGILL.
2321
2322	  If you know that your userland will not attempt to use floating point
2323	  instructions then you can say n here to shrink the kernel a little.
2324
2325	  If unsure, say y.
2326
2327config CPU_R2300_FPU
2328	bool
2329	depends on MIPS_FP_SUPPORT
2330	default y if CPU_R3000 || CPU_TX39XX
2331
2332config CPU_R3K_TLB
2333	bool
2334
2335config CPU_R4K_FPU
2336	bool
2337	depends on MIPS_FP_SUPPORT
2338	default y if !CPU_R2300_FPU
2339
2340config CPU_R4K_CACHE_TLB
2341	bool
2342	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2343
2344config MIPS_MT_SMP
2345	bool "MIPS MT SMP support (1 TC on each available VPE)"
2346	default y
2347	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2348	select CPU_MIPSR2_IRQ_VI
2349	select CPU_MIPSR2_IRQ_EI
2350	select SYNC_R4K
2351	select MIPS_MT
2352	select SMP
2353	select SMP_UP
2354	select SYS_SUPPORTS_SMP
2355	select SYS_SUPPORTS_SCHED_SMT
2356	select MIPS_PERF_SHARED_TC_COUNTERS
2357	help
2358	  This is a kernel model which is known as SMVP. This is supported
2359	  on cores with the MT ASE and uses the available VPEs to implement
2360	  virtual processors which supports SMP. This is equivalent to the
2361	  Intel Hyperthreading feature. For further information go to
2362	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2363
2364config MIPS_MT
2365	bool
2366
2367config SCHED_SMT
2368	bool "SMT (multithreading) scheduler support"
2369	depends on SYS_SUPPORTS_SCHED_SMT
2370	default n
2371	help
2372	  SMT scheduler support improves the CPU scheduler's decision making
2373	  when dealing with MIPS MT enabled cores at a cost of slightly
2374	  increased overhead in some places. If unsure say N here.
2375
2376config SYS_SUPPORTS_SCHED_SMT
2377	bool
2378
2379config SYS_SUPPORTS_MULTITHREADING
2380	bool
2381
2382config MIPS_MT_FPAFF
2383	bool "Dynamic FPU affinity for FP-intensive threads"
2384	default y
2385	depends on MIPS_MT_SMP
2386
2387config MIPSR2_TO_R6_EMULATOR
2388	bool "MIPS R2-to-R6 emulator"
2389	depends on CPU_MIPSR6
2390	depends on MIPS_FP_SUPPORT
2391	default y
2392	help
2393	  Choose this option if you want to run non-R6 MIPS userland code.
2394	  Even if you say 'Y' here, the emulator will still be disabled by
2395	  default. You can enable it using the 'mipsr2emu' kernel option.
2396	  The only reason this is a build-time option is to save ~14K from the
2397	  final kernel image.
2398
2399config SYS_SUPPORTS_VPE_LOADER
2400	bool
2401	depends on SYS_SUPPORTS_MULTITHREADING
2402	help
2403	  Indicates that the platform supports the VPE loader, and provides
2404	  physical_memsize.
2405
2406config MIPS_VPE_LOADER
2407	bool "VPE loader support."
2408	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2409	select CPU_MIPSR2_IRQ_VI
2410	select CPU_MIPSR2_IRQ_EI
2411	select MIPS_MT
2412	help
2413	  Includes a loader for loading an elf relocatable object
2414	  onto another VPE and running it.
2415
2416config MIPS_VPE_LOADER_CMP
2417	bool
2418	default "y"
2419	depends on MIPS_VPE_LOADER && MIPS_CMP
2420
2421config MIPS_VPE_LOADER_MT
2422	bool
2423	default "y"
2424	depends on MIPS_VPE_LOADER && !MIPS_CMP
2425
2426config MIPS_VPE_LOADER_TOM
2427	bool "Load VPE program into memory hidden from linux"
2428	depends on MIPS_VPE_LOADER
2429	default y
2430	help
2431	  The loader can use memory that is present but has been hidden from
2432	  Linux using the kernel command line option "mem=xxMB". It's up to
2433	  you to ensure the amount you put in the option and the space your
2434	  program requires is less or equal to the amount physically present.
2435
2436config MIPS_VPE_APSP_API
2437	bool "Enable support for AP/SP API (RTLX)"
2438	depends on MIPS_VPE_LOADER
2439
2440config MIPS_VPE_APSP_API_CMP
2441	bool
2442	default "y"
2443	depends on MIPS_VPE_APSP_API && MIPS_CMP
2444
2445config MIPS_VPE_APSP_API_MT
2446	bool
2447	default "y"
2448	depends on MIPS_VPE_APSP_API && !MIPS_CMP
2449
2450config MIPS_CMP
2451	bool "MIPS CMP framework support (DEPRECATED)"
2452	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2453	select SMP
2454	select SYNC_R4K
2455	select SYS_SUPPORTS_SMP
2456	select WEAK_ORDERING
2457	default n
2458	help
2459	  Select this if you are using a bootloader which implements the "CMP
2460	  framework" protocol (ie. YAMON) and want your kernel to make use of
2461	  its ability to start secondary CPUs.
2462
2463	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
2464	  instead of this.
2465
2466config MIPS_CPS
2467	bool "MIPS Coherent Processing System support"
2468	depends on SYS_SUPPORTS_MIPS_CPS
2469	select MIPS_CM
2470	select MIPS_CPS_PM if HOTPLUG_CPU
2471	select SMP
2472	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2473	select SYS_SUPPORTS_HOTPLUG_CPU
2474	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2475	select SYS_SUPPORTS_SMP
2476	select WEAK_ORDERING
2477	help
2478	  Select this if you wish to run an SMP kernel across multiple cores
2479	  within a MIPS Coherent Processing System. When this option is
2480	  enabled the kernel will probe for other cores and boot them with
2481	  no external assistance. It is safe to enable this when hardware
2482	  support is unavailable.
2483
2484config MIPS_CPS_PM
2485	depends on MIPS_CPS
2486	bool
2487
2488config MIPS_CM
2489	bool
2490	select MIPS_CPC
2491
2492config MIPS_CPC
2493	bool
2494
2495config SB1_PASS_2_WORKAROUNDS
2496	bool
2497	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2498	default y
2499
2500config SB1_PASS_2_1_WORKAROUNDS
2501	bool
2502	depends on CPU_SB1 && CPU_SB1_PASS_2
2503	default y
2504
2505choice
2506	prompt "SmartMIPS or microMIPS ASE support"
2507
2508config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2509	bool "None"
2510	help
2511	  Select this if you want neither microMIPS nor SmartMIPS support
2512
2513config CPU_HAS_SMARTMIPS
2514	depends on SYS_SUPPORTS_SMARTMIPS
2515	bool "SmartMIPS"
2516	help
2517	  SmartMIPS is a extension of the MIPS32 architecture aimed at
2518	  increased security at both hardware and software level for
2519	  smartcards.  Enabling this option will allow proper use of the
2520	  SmartMIPS instructions by Linux applications.  However a kernel with
2521	  this option will not work on a MIPS core without SmartMIPS core.  If
2522	  you don't know you probably don't have SmartMIPS and should say N
2523	  here.
2524
2525config CPU_MICROMIPS
2526	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2527	bool "microMIPS"
2528	help
2529	  When this option is enabled the kernel will be built using the
2530	  microMIPS ISA
2531
2532endchoice
2533
2534config CPU_HAS_MSA
2535	bool "Support for the MIPS SIMD Architecture"
2536	depends on CPU_SUPPORTS_MSA
2537	depends on MIPS_FP_SUPPORT
2538	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2539	help
2540	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2541	  and a set of SIMD instructions to operate on them. When this option
2542	  is enabled the kernel will support allocating & switching MSA
2543	  vector register contexts. If you know that your kernel will only be
2544	  running on CPUs which do not support MSA or that your userland will
2545	  not be making use of it then you may wish to say N here to reduce
2546	  the size & complexity of your kernel.
2547
2548	  If unsure, say Y.
2549
2550config CPU_HAS_WB
2551	bool
2552
2553config XKS01
2554	bool
2555
2556config CPU_HAS_DIEI
2557	depends on !CPU_DIEI_BROKEN
2558	bool
2559
2560config CPU_DIEI_BROKEN
2561	bool
2562
2563config CPU_HAS_RIXI
2564	bool
2565
2566config CPU_NO_LOAD_STORE_LR
2567	bool
2568	help
2569	  CPU lacks support for unaligned load and store instructions:
2570	  LWL, LWR, SWL, SWR (Load/store word left/right).
2571	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2572	  systems).
2573
2574#
2575# Vectored interrupt mode is an R2 feature
2576#
2577config CPU_MIPSR2_IRQ_VI
2578	bool
2579
2580#
2581# Extended interrupt mode is an R2 feature
2582#
2583config CPU_MIPSR2_IRQ_EI
2584	bool
2585
2586config CPU_HAS_SYNC
2587	bool
2588	depends on !CPU_R3000
2589	default y
2590
2591#
2592# CPU non-features
2593#
2594config CPU_DADDI_WORKAROUNDS
2595	bool
2596
2597config CPU_R4000_WORKAROUNDS
2598	bool
2599	select CPU_R4400_WORKAROUNDS
2600
2601config CPU_R4400_WORKAROUNDS
2602	bool
2603
2604config CPU_R4X00_BUGS64
2605	bool
2606	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2607
2608config MIPS_ASID_SHIFT
2609	int
2610	default 6 if CPU_R3000 || CPU_TX39XX
2611	default 0
2612
2613config MIPS_ASID_BITS
2614	int
2615	default 0 if MIPS_ASID_BITS_VARIABLE
2616	default 6 if CPU_R3000 || CPU_TX39XX
2617	default 8
2618
2619config MIPS_ASID_BITS_VARIABLE
2620	bool
2621
2622config MIPS_CRC_SUPPORT
2623	bool
2624
2625#
2626# - Highmem only makes sense for the 32-bit kernel.
2627# - The current highmem code will only work properly on physically indexed
2628#   caches such as R3000, SB1, R7000 or those that look like they're virtually
2629#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2630#   moment we protect the user and offer the highmem option only on machines
2631#   where it's known to be safe.  This will not offer highmem on a few systems
2632#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2633#   indexed CPUs but we're playing safe.
2634# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2635#   know they might have memory configurations that could make use of highmem
2636#   support.
2637#
2638config HIGHMEM
2639	bool "High Memory Support"
2640	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2641
2642config CPU_SUPPORTS_HIGHMEM
2643	bool
2644
2645config SYS_SUPPORTS_HIGHMEM
2646	bool
2647
2648config SYS_SUPPORTS_SMARTMIPS
2649	bool
2650
2651config SYS_SUPPORTS_MICROMIPS
2652	bool
2653
2654config SYS_SUPPORTS_MIPS16
2655	bool
2656	help
2657	  This option must be set if a kernel might be executed on a MIPS16-
2658	  enabled CPU even if MIPS16 is not actually being used.  In other
2659	  words, it makes the kernel MIPS16-tolerant.
2660
2661config CPU_SUPPORTS_MSA
2662	bool
2663
2664config ARCH_FLATMEM_ENABLE
2665	def_bool y
2666	depends on !NUMA && !CPU_LOONGSON2EF
2667
2668config ARCH_SPARSEMEM_ENABLE
2669	bool
2670	select SPARSEMEM_STATIC if !SGI_IP27
2671
2672config NUMA
2673	bool "NUMA Support"
2674	depends on SYS_SUPPORTS_NUMA
2675	help
2676	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2677	  Access).  This option improves performance on systems with more
2678	  than two nodes; on two node systems it is generally better to
2679	  leave it disabled; on single node systems disable this option
2680	  disabled.
2681
2682config SYS_SUPPORTS_NUMA
2683	bool
2684
2685config HAVE_SETUP_PER_CPU_AREA
2686	def_bool y
2687	depends on NUMA
2688
2689config NEED_PER_CPU_EMBED_FIRST_CHUNK
2690	def_bool y
2691	depends on NUMA
2692
2693config RELOCATABLE
2694	bool "Relocatable kernel"
2695	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2696	help
2697	  This builds a kernel image that retains relocation information
2698	  so it can be loaded someplace besides the default 1MB.
2699	  The relocations make the kernel binary about 15% larger,
2700	  but are discarded at runtime
2701
2702config RELOCATION_TABLE_SIZE
2703	hex "Relocation table size"
2704	depends on RELOCATABLE
2705	range 0x0 0x01000000
2706	default "0x00100000"
2707	---help---
2708	  A table of relocation data will be appended to the kernel binary
2709	  and parsed at boot to fix up the relocated kernel.
2710
2711	  This option allows the amount of space reserved for the table to be
2712	  adjusted, although the default of 1Mb should be ok in most cases.
2713
2714	  The build will fail and a valid size suggested if this is too small.
2715
2716	  If unsure, leave at the default value.
2717
2718config RANDOMIZE_BASE
2719	bool "Randomize the address of the kernel image"
2720	depends on RELOCATABLE
2721	---help---
2722	  Randomizes the physical and virtual address at which the
2723	  kernel image is loaded, as a security feature that
2724	  deters exploit attempts relying on knowledge of the location
2725	  of kernel internals.
2726
2727	  Entropy is generated using any coprocessor 0 registers available.
2728
2729	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2730
2731	  If unsure, say N.
2732
2733config RANDOMIZE_BASE_MAX_OFFSET
2734	hex "Maximum kASLR offset" if EXPERT
2735	depends on RANDOMIZE_BASE
2736	range 0x0 0x40000000 if EVA || 64BIT
2737	range 0x0 0x08000000
2738	default "0x01000000"
2739	---help---
2740	  When kASLR is active, this provides the maximum offset that will
2741	  be applied to the kernel image. It should be set according to the
2742	  amount of physical RAM available in the target system minus
2743	  PHYSICAL_START and must be a power of 2.
2744
2745	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2746	  EVA or 64-bit. The default is 16Mb.
2747
2748config NODES_SHIFT
2749	int
2750	default "6"
2751	depends on NEED_MULTIPLE_NODES
2752
2753config HW_PERF_EVENTS
2754	bool "Enable hardware performance counter support for perf events"
2755	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2756	default y
2757	help
2758	  Enable hardware performance counter support for perf events. If
2759	  disabled, perf events will use software events only.
2760
2761config SMP
2762	bool "Multi-Processing support"
2763	depends on SYS_SUPPORTS_SMP
2764	help
2765	  This enables support for systems with more than one CPU. If you have
2766	  a system with only one CPU, say N. If you have a system with more
2767	  than one CPU, say Y.
2768
2769	  If you say N here, the kernel will run on uni- and multiprocessor
2770	  machines, but will use only one CPU of a multiprocessor machine. If
2771	  you say Y here, the kernel will run on many, but not all,
2772	  uniprocessor machines. On a uniprocessor machine, the kernel
2773	  will run faster if you say N here.
2774
2775	  People using multiprocessor machines who say Y here should also say
2776	  Y to "Enhanced Real Time Clock Support", below.
2777
2778	  See also the SMP-HOWTO available at
2779	  <http://www.tldp.org/docs.html#howto>.
2780
2781	  If you don't know what to do here, say N.
2782
2783config HOTPLUG_CPU
2784	bool "Support for hot-pluggable CPUs"
2785	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2786	help
2787	  Say Y here to allow turning CPUs off and on. CPUs can be
2788	  controlled through /sys/devices/system/cpu.
2789	  (Note: power management support will enable this option
2790	    automatically on SMP systems. )
2791	  Say N if you want to disable CPU hotplug.
2792
2793config SMP_UP
2794	bool
2795
2796config SYS_SUPPORTS_MIPS_CMP
2797	bool
2798
2799config SYS_SUPPORTS_MIPS_CPS
2800	bool
2801
2802config SYS_SUPPORTS_SMP
2803	bool
2804
2805config NR_CPUS_DEFAULT_4
2806	bool
2807
2808config NR_CPUS_DEFAULT_8
2809	bool
2810
2811config NR_CPUS_DEFAULT_16
2812	bool
2813
2814config NR_CPUS_DEFAULT_32
2815	bool
2816
2817config NR_CPUS_DEFAULT_64
2818	bool
2819
2820config NR_CPUS
2821	int "Maximum number of CPUs (2-256)"
2822	range 2 256
2823	depends on SMP
2824	default "4" if NR_CPUS_DEFAULT_4
2825	default "8" if NR_CPUS_DEFAULT_8
2826	default "16" if NR_CPUS_DEFAULT_16
2827	default "32" if NR_CPUS_DEFAULT_32
2828	default "64" if NR_CPUS_DEFAULT_64
2829	help
2830	  This allows you to specify the maximum number of CPUs which this
2831	  kernel will support.  The maximum supported value is 32 for 32-bit
2832	  kernel and 64 for 64-bit kernels; the minimum value which makes
2833	  sense is 1 for Qemu (useful only for kernel debugging purposes)
2834	  and 2 for all others.
2835
2836	  This is purely to save memory - each supported CPU adds
2837	  approximately eight kilobytes to the kernel image.  For best
2838	  performance should round up your number of processors to the next
2839	  power of two.
2840
2841config MIPS_PERF_SHARED_TC_COUNTERS
2842	bool
2843
2844config MIPS_NR_CPU_NR_MAP_1024
2845	bool
2846
2847config MIPS_NR_CPU_NR_MAP
2848	int
2849	depends on SMP
2850	default 1024 if MIPS_NR_CPU_NR_MAP_1024
2851	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2852
2853#
2854# Timer Interrupt Frequency Configuration
2855#
2856
2857choice
2858	prompt "Timer frequency"
2859	default HZ_250
2860	help
2861	  Allows the configuration of the timer frequency.
2862
2863	config HZ_24
2864		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2865
2866	config HZ_48
2867		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2868
2869	config HZ_100
2870		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2871
2872	config HZ_128
2873		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2874
2875	config HZ_250
2876		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2877
2878	config HZ_256
2879		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2880
2881	config HZ_1000
2882		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2883
2884	config HZ_1024
2885		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2886
2887endchoice
2888
2889config SYS_SUPPORTS_24HZ
2890	bool
2891
2892config SYS_SUPPORTS_48HZ
2893	bool
2894
2895config SYS_SUPPORTS_100HZ
2896	bool
2897
2898config SYS_SUPPORTS_128HZ
2899	bool
2900
2901config SYS_SUPPORTS_250HZ
2902	bool
2903
2904config SYS_SUPPORTS_256HZ
2905	bool
2906
2907config SYS_SUPPORTS_1000HZ
2908	bool
2909
2910config SYS_SUPPORTS_1024HZ
2911	bool
2912
2913config SYS_SUPPORTS_ARBIT_HZ
2914	bool
2915	default y if !SYS_SUPPORTS_24HZ && \
2916		     !SYS_SUPPORTS_48HZ && \
2917		     !SYS_SUPPORTS_100HZ && \
2918		     !SYS_SUPPORTS_128HZ && \
2919		     !SYS_SUPPORTS_250HZ && \
2920		     !SYS_SUPPORTS_256HZ && \
2921		     !SYS_SUPPORTS_1000HZ && \
2922		     !SYS_SUPPORTS_1024HZ
2923
2924config HZ
2925	int
2926	default 24 if HZ_24
2927	default 48 if HZ_48
2928	default 100 if HZ_100
2929	default 128 if HZ_128
2930	default 250 if HZ_250
2931	default 256 if HZ_256
2932	default 1000 if HZ_1000
2933	default 1024 if HZ_1024
2934
2935config SCHED_HRTICK
2936	def_bool HIGH_RES_TIMERS
2937
2938config KEXEC
2939	bool "Kexec system call"
2940	select KEXEC_CORE
2941	help
2942	  kexec is a system call that implements the ability to shutdown your
2943	  current kernel, and to start another kernel.  It is like a reboot
2944	  but it is independent of the system firmware.   And like a reboot
2945	  you can start any kernel with it, not just Linux.
2946
2947	  The name comes from the similarity to the exec system call.
2948
2949	  It is an ongoing process to be certain the hardware in a machine
2950	  is properly shutdown, so do not be surprised if this code does not
2951	  initially work for you.  As of this writing the exact hardware
2952	  interface is strongly in flux, so no good recommendation can be
2953	  made.
2954
2955config CRASH_DUMP
2956	bool "Kernel crash dumps"
2957	help
2958	  Generate crash dump after being started by kexec.
2959	  This should be normally only set in special crash dump kernels
2960	  which are loaded in the main kernel with kexec-tools into
2961	  a specially reserved region and then later executed after
2962	  a crash by kdump/kexec. The crash dump kernel must be compiled
2963	  to a memory address not used by the main kernel or firmware using
2964	  PHYSICAL_START.
2965
2966config PHYSICAL_START
2967	hex "Physical address where the kernel is loaded"
2968	default "0xffffffff84000000"
2969	depends on CRASH_DUMP
2970	help
2971	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2972	  If you plan to use kernel for capturing the crash dump change
2973	  this value to start of the reserved region (the "X" value as
2974	  specified in the "crashkernel=YM@XM" command line boot parameter
2975	  passed to the panic-ed kernel).
2976
2977config SECCOMP
2978	bool "Enable seccomp to safely compute untrusted bytecode"
2979	depends on PROC_FS
2980	default y
2981	help
2982	  This kernel feature is useful for number crunching applications
2983	  that may need to compute untrusted bytecode during their
2984	  execution. By using pipes or other transports made available to
2985	  the process as file descriptors supporting the read/write
2986	  syscalls, it's possible to isolate those applications in
2987	  their own address space using seccomp. Once seccomp is
2988	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2989	  and the task is only allowed to execute a few safe syscalls
2990	  defined by each seccomp mode.
2991
2992	  If unsure, say Y. Only embedded should say N here.
2993
2994config MIPS_O32_FP64_SUPPORT
2995	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2996	depends on 32BIT || MIPS32_O32
2997	help
2998	  When this is enabled, the kernel will support use of 64-bit floating
2999	  point registers with binaries using the O32 ABI along with the
3000	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3001	  32-bit MIPS systems this support is at the cost of increasing the
3002	  size and complexity of the compiled FPU emulator. Thus if you are
3003	  running a MIPS32 system and know that none of your userland binaries
3004	  will require 64-bit floating point, you may wish to reduce the size
3005	  of your kernel & potentially improve FP emulation performance by
3006	  saying N here.
3007
3008	  Although binutils currently supports use of this flag the details
3009	  concerning its effect upon the O32 ABI in userland are still being
3010	  worked on. In order to avoid userland becoming dependant upon current
3011	  behaviour before the details have been finalised, this option should
3012	  be considered experimental and only enabled by those working upon
3013	  said details.
3014
3015	  If unsure, say N.
3016
3017config USE_OF
3018	bool
3019	select OF
3020	select OF_EARLY_FLATTREE
3021	select IRQ_DOMAIN
3022
3023config UHI_BOOT
3024	bool
3025
3026config BUILTIN_DTB
3027	bool
3028
3029choice
3030	prompt "Kernel appended dtb support" if USE_OF
3031	default MIPS_NO_APPENDED_DTB
3032
3033	config MIPS_NO_APPENDED_DTB
3034		bool "None"
3035		help
3036		  Do not enable appended dtb support.
3037
3038	config MIPS_ELF_APPENDED_DTB
3039		bool "vmlinux"
3040		help
3041		  With this option, the boot code will look for a device tree binary
3042		  DTB) included in the vmlinux ELF section .appended_dtb. By default
3043		  it is empty and the DTB can be appended using binutils command
3044		  objcopy:
3045
3046		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3047
3048		  This is meant as a backward compatiblity convenience for those
3049		  systems with a bootloader that can't be upgraded to accommodate
3050		  the documented boot protocol using a device tree.
3051
3052	config MIPS_RAW_APPENDED_DTB
3053		bool "vmlinux.bin or vmlinuz.bin"
3054		help
3055		  With this option, the boot code will look for a device tree binary
3056		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3057		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3058
3059		  This is meant as a backward compatibility convenience for those
3060		  systems with a bootloader that can't be upgraded to accommodate
3061		  the documented boot protocol using a device tree.
3062
3063		  Beware that there is very little in terms of protection against
3064		  this option being confused by leftover garbage in memory that might
3065		  look like a DTB header after a reboot if no actual DTB is appended
3066		  to vmlinux.bin.  Do not leave this option active in a production kernel
3067		  if you don't intend to always append a DTB.
3068endchoice
3069
3070choice
3071	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
3072	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3073					 !MIPS_MALTA && \
3074					 !CAVIUM_OCTEON_SOC
3075	default MIPS_CMDLINE_FROM_BOOTLOADER
3076
3077	config MIPS_CMDLINE_FROM_DTB
3078		depends on USE_OF
3079		bool "Dtb kernel arguments if available"
3080
3081	config MIPS_CMDLINE_DTB_EXTEND
3082		depends on USE_OF
3083		bool "Extend dtb kernel arguments with bootloader arguments"
3084
3085	config MIPS_CMDLINE_FROM_BOOTLOADER
3086		bool "Bootloader kernel arguments if available"
3087
3088	config MIPS_CMDLINE_BUILTIN_EXTEND
3089		depends on CMDLINE_BOOL
3090		bool "Extend builtin kernel arguments with bootloader arguments"
3091endchoice
3092
3093endmenu
3094
3095config LOCKDEP_SUPPORT
3096	bool
3097	default y
3098
3099config STACKTRACE_SUPPORT
3100	bool
3101	default y
3102
3103config PGTABLE_LEVELS
3104	int
3105	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3106	default 3 if 64BIT && !PAGE_SIZE_64KB
3107	default 2
3108
3109config MIPS_AUTO_PFN_OFFSET
3110	bool
3111
3112menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3113
3114config PCI_DRIVERS_GENERIC
3115	select PCI_DOMAINS_GENERIC if PCI
3116	bool
3117
3118config PCI_DRIVERS_LEGACY
3119	def_bool !PCI_DRIVERS_GENERIC
3120	select NO_GENERIC_PCI_IOPORT_MAP
3121	select PCI_DOMAINS if PCI
3122
3123#
3124# ISA support is now enabled via select.  Too many systems still have the one
3125# or other ISA chip on the board that users don't know about so don't expect
3126# users to choose the right thing ...
3127#
3128config ISA
3129	bool
3130
3131config TC
3132	bool "TURBOchannel support"
3133	depends on MACH_DECSTATION
3134	help
3135	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3136	  processors.  TURBOchannel programming specifications are available
3137	  at:
3138	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3139	  and:
3140	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3141	  Linux driver support status is documented at:
3142	  <http://www.linux-mips.org/wiki/DECstation>
3143
3144config MMU
3145	bool
3146	default y
3147
3148config ARCH_MMAP_RND_BITS_MIN
3149	default 12 if 64BIT
3150	default 8
3151
3152config ARCH_MMAP_RND_BITS_MAX
3153	default 18 if 64BIT
3154	default 15
3155
3156config ARCH_MMAP_RND_COMPAT_BITS_MIN
3157	default 8
3158
3159config ARCH_MMAP_RND_COMPAT_BITS_MAX
3160	default 15
3161
3162config I8253
3163	bool
3164	select CLKSRC_I8253
3165	select CLKEVT_I8253
3166	select MIPS_EXTERNAL_TIMER
3167
3168config ZONE_DMA
3169	bool
3170
3171config ZONE_DMA32
3172	bool
3173
3174endmenu
3175
3176config TRAD_SIGNALS
3177	bool
3178
3179config MIPS32_COMPAT
3180	bool
3181
3182config COMPAT
3183	bool
3184
3185config SYSVIPC_COMPAT
3186	bool
3187
3188config MIPS32_O32
3189	bool "Kernel support for o32 binaries"
3190	depends on 64BIT
3191	select ARCH_WANT_OLD_COMPAT_IPC
3192	select COMPAT
3193	select MIPS32_COMPAT
3194	select SYSVIPC_COMPAT if SYSVIPC
3195	help
3196	  Select this option if you want to run o32 binaries.  These are pure
3197	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3198	  existing binaries are in this format.
3199
3200	  If unsure, say Y.
3201
3202config MIPS32_N32
3203	bool "Kernel support for n32 binaries"
3204	depends on 64BIT
3205	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3206	select COMPAT
3207	select MIPS32_COMPAT
3208	select SYSVIPC_COMPAT if SYSVIPC
3209	help
3210	  Select this option if you want to run n32 binaries.  These are
3211	  64-bit binaries using 32-bit quantities for addressing and certain
3212	  data that would normally be 64-bit.  They are used in special
3213	  cases.
3214
3215	  If unsure, say N.
3216
3217config BINFMT_ELF32
3218	bool
3219	default y if MIPS32_O32 || MIPS32_N32
3220	select ELFCORE
3221
3222menu "Power management options"
3223
3224config ARCH_HIBERNATION_POSSIBLE
3225	def_bool y
3226	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3227
3228config ARCH_SUSPEND_POSSIBLE
3229	def_bool y
3230	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3231
3232source "kernel/power/Kconfig"
3233
3234endmenu
3235
3236config MIPS_EXTERNAL_TIMER
3237	bool
3238
3239menu "CPU Power Management"
3240
3241if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3242source "drivers/cpufreq/Kconfig"
3243endif
3244
3245source "drivers/cpuidle/Kconfig"
3246
3247endmenu
3248
3249source "drivers/firmware/Kconfig"
3250
3251source "arch/mips/kvm/Kconfig"
3252