xref: /linux/arch/mips/Kconfig (revision e8823d26b4f18faeecf8f46adaecc52a7154c41f)
11da177e4SLinus Torvaldsconfig MIPS
21da177e4SLinus Torvalds	bool
31da177e4SLinus Torvalds	default y
4a862a426SMark Salter	select ARCH_MIGHT_HAVE_PC_PARPORT
5393c1262SMark Salter	select ARCH_MIGHT_HAVE_PC_SERIO
6c3fc5cd5SRalf Baechle	select HAVE_CONTEXT_TRACKING
7f8ac0425SYoichi Yuasa	select HAVE_GENERIC_DMA_COHERENT
8ec7748b5SSam Ravnborg	select HAVE_IDE
942d4b839SMathieu Desnoyers	select HAVE_OPROFILE
107f788d2dSDeng-Cheng Zhu	select HAVE_PERF_EVENTS
117f788d2dSDeng-Cheng Zhu	select PERF_USE_VMALLOC
1288547001SJason Wessel	select HAVE_ARCH_KGDB
13490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
14c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
153f5fdb4bSMarkos Chandras	select HAVE_BPF_JIT if !CPU_MICROMIPS
167563bbf8SMark Brown	select ARCH_HAVE_CUSTOM_GPIO_H
17d2bb0762SWu Zhangjin	select HAVE_FUNCTION_TRACER
18538f1952SWu Zhangjin	select HAVE_DYNAMIC_FTRACE
19538f1952SWu Zhangjin	select HAVE_FTRACE_MCOUNT_RECORD
2064575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
2129c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
22c1bf207dSDavid Daney	select HAVE_KPROBES
23c1bf207dSDavid Daney	select HAVE_KRETPROBES
24fb59e394SRalf Baechle	select HAVE_SYSCALL_TRACEPOINTS
25b69ec42bSCatalin Marinas	select HAVE_DEBUG_KMEMLEAK
261d7bf993SRalf Baechle	select HAVE_SYSCALL_TRACEPOINTS
272b68f6caSKees Cook	select ARCH_HAS_ELF_RANDOMIZE
28383c97b4SBen Hutchings	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
2930ad29bbSHuacai Chen	select RTC_LIB if !MACH_LOONGSON64
302b78920dSDeng-Cheng Zhu	select GENERIC_ATOMIC64 if !64BIT
317463449bSCatalin Marinas	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
3248e1fd5aSDavid Daney	select HAVE_DMA_ATTRS
33f4649382SZubair Lutfullah Kakakhel	select HAVE_DMA_CONTIGUOUS
3448e1fd5aSDavid Daney	select HAVE_DMA_API_DEBUG
353bd27e32SDavid Daney	select GENERIC_IRQ_PROBE
36f8396c17SThomas Gleixner	select GENERIC_IRQ_SHOW
3778857614SMarkos Chandras	select GENERIC_PCI_IOMAP
3894bb0c1aSDavid Daney	select HAVE_ARCH_JUMP_LABEL
39c1d7e01dSWill Deacon	select ARCH_WANT_IPC_PARSE_VERSION
400f462e3cSThomas Gleixner	select IRQ_FORCED_THREADING
419d15ffc8STejun Heo	select HAVE_MEMBLOCK
429d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
439d15ffc8STejun Heo	select ARCH_DISCARD_MEMBLOCK
44360014a3SThomas Gleixner	select GENERIC_SMP_IDLE_THREAD
454b054495SDavid Daney	select BUILDTIME_EXTABLE_SORT
46cde1794bSAnna-Maria Gleixner	select GENERIC_CLOCKEVENTS
47929de4ccSDeng-Cheng Zhu	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
48cde1794bSAnna-Maria Gleixner	select GENERIC_CMOS_UPDATE
49786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
504febd95aSStephen Rothwell	select VIRT_TO_BUS
512f12fb20SJoshua Kinard	select MODULES_USE_ELF_REL if MODULES
522f12fb20SJoshua Kinard	select MODULES_USE_ELF_RELA if MODULES && 64BIT
5350150d2bSAl Viro	select CLONE_BACKWARDS
54d1a1dc0bSDave Hansen	select HAVE_DEBUG_STACKOVERFLOW
5519952a92SKees Cook	select HAVE_CC_STACKPROTECTOR
56b1d4c6caSJames Hogan	select CPU_PM if CPU_IDLE
57cc7964afSPaul Burton	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
5890cee759SPaul Burton	select ARCH_BINFMT_ELF_STATE
59d79d853dSMarkos Chandras	select SYSCTL_EXCEPTION_TRACE
60bb877e96SDeng-Cheng Zhu	select HAVE_VIRT_CPU_ACCOUNTING_GEN
61ec9ddad3SDeng-Cheng Zhu	select HAVE_IRQ_TIME_ACCOUNTING
621da177e4SLinus Torvalds
631da177e4SLinus Torvaldsmenu "Machine selection"
641da177e4SLinus Torvalds
655e83d430SRalf Baechlechoice
665e83d430SRalf Baechle	prompt "System type"
675e83d430SRalf Baechle	default SGI_IP22
681da177e4SLinus Torvalds
6942a4f17dSManuel Laussconfig MIPS_ALCHEMY
70c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
7134adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
72f772cdb2SRalf Baechle	select CEVT_R4K
73d7ea335cSSteven J. Hill	select CSRC_R4K
7467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7588e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
7642a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
7742a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
7842a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
79efb12436SAlexandre Courbot	select ARCH_REQUIRE_GPIOLIB
801b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
8147440229SManuel Lauss	select COMMON_CLK
821da177e4SLinus Torvalds
837ca5dc14SFlorian Fainelliconfig AR7
847ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
857ca5dc14SFlorian Fainelli	select BOOT_ELF32
867ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
877ca5dc14SFlorian Fainelli	select CEVT_R4K
887ca5dc14SFlorian Fainelli	select CSRC_R4K
8967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
907ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
917ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
927ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
937ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
947ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
957ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
96377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
971b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
985f3c9098SFlorian Fainelli	select ARCH_REQUIRE_GPIOLIB
997ca5dc14SFlorian Fainelli	select VLYNQ
1008551fb64SYoichi Yuasa	select HAVE_CLK
1017ca5dc14SFlorian Fainelli	help
1027ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1037ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1047ca5dc14SFlorian Fainelli
10543cc739fSSergey Ryazanovconfig ATH25
10643cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
10743cc739fSSergey Ryazanov	select CEVT_R4K
10843cc739fSSergey Ryazanov	select CSRC_R4K
10943cc739fSSergey Ryazanov	select DMA_NONCOHERENT
11067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1111753e74eSSergey Ryazanov	select IRQ_DOMAIN
11243cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
11343cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
11443cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1158aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
11643cc739fSSergey Ryazanov	help
11743cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
11843cc739fSSergey Ryazanov
119d4a67d9dSGabor Juhosconfig ATH79
120d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
1216eae43c5SGabor Juhos	select ARCH_REQUIRE_GPIOLIB
122d4a67d9dSGabor Juhos	select BOOT_RAW
123d4a67d9dSGabor Juhos	select CEVT_R4K
124d4a67d9dSGabor Juhos	select CSRC_R4K
125d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
12694638067SGabor Juhos	select HAVE_CLK
127411520afSAlban Bedel	select COMMON_CLK
1282c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
12967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1300aabf1a4SGabor Juhos	select MIPS_MACHINE
131d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
132d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
133d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
134d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
135377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
136da628e8bSAlban Bedel	select SYS_SUPPORTS_ZBOOT
13703c8c407SAlban Bedel	select USE_OF
138d4a67d9dSGabor Juhos	help
139d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
140d4a67d9dSGabor Juhos
1415f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
1425f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
143d666cd02SKevin Cernekee	select BOOT_RAW
144d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
145d666cd02SKevin Cernekee	select USE_OF
146d666cd02SKevin Cernekee	select CEVT_R4K
147d666cd02SKevin Cernekee	select CSRC_R4K
148d666cd02SKevin Cernekee	select SYNC_R4K
149d666cd02SKevin Cernekee	select COMMON_CLK
15060b858f2SKevin Cernekee	select BCM7038_L1_IRQ
15160b858f2SKevin Cernekee	select BCM7120_L2_IRQ
15260b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
15367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
15460b858f2SKevin Cernekee	select RAW_IRQ_ACCESSORS
15560b858f2SKevin Cernekee	select DMA_NONCOHERENT
156d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
15760b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
158d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
159d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
16060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
16160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
16260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
163d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
164d666cd02SKevin Cernekee	select SWAP_IO_SPACE
16560b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
16660b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
16760b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
16860b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
169d666cd02SKevin Cernekee	help
1705f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
1715f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
1725f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
1735f2d4459SKevin Cernekee	  must be set appropriately for your board.
174d666cd02SKevin Cernekee
1751c0c13ebSAurelien Jarnoconfig BCM47XX
176c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
1772da4c74dSHauke Mehrtens	select ARCH_WANT_OPTIONAL_GPIOLIB
178fe08f8c2SHauke Mehrtens	select BOOT_RAW
17942f77542SRalf Baechle	select CEVT_R4K
180940f6b48SRalf Baechle	select CSRC_R4K
1811c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
1821c0c13ebSAurelien Jarno	select HW_HAS_PCI
18367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
184314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
185dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
1861c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
1871c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
188377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
18925e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
190e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
191c949c0bcSRafał Miłecki	select GPIOLIB
192c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
1931c0c13ebSAurelien Jarno	help
1941c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
1951c0c13ebSAurelien Jarno
196e7300d04SMaxime Bizonconfig BCM63XX
197e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
198ae8de61cSFlorian Fainelli	select BOOT_RAW
199e7300d04SMaxime Bizon	select CEVT_R4K
200e7300d04SMaxime Bizon	select CSRC_R4K
201fc264022SJonas Gorski	select SYNC_R4K
202e7300d04SMaxime Bizon	select DMA_NONCOHERENT
20367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
204e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
205e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
206e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
207e7300d04SMaxime Bizon	select SWAP_IO_SPACE
208e7300d04SMaxime Bizon	select ARCH_REQUIRE_GPIOLIB
2093e82eeebSYoichi Yuasa	select HAVE_CLK
210af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
211e7300d04SMaxime Bizon	help
212e7300d04SMaxime Bizon	 Support for BCM63XX based boards
213e7300d04SMaxime Bizon
2141da177e4SLinus Torvaldsconfig MIPS_COBALT
2153fa986faSMartin Michlmayr	bool "Cobalt Server"
21642f77542SRalf Baechle	select CEVT_R4K
217940f6b48SRalf Baechle	select CSRC_R4K
2181097c6acSYoichi Yuasa	select CEVT_GT641XX
2191da177e4SLinus Torvalds	select DMA_NONCOHERENT
2201da177e4SLinus Torvalds	select HW_HAS_PCI
221d865bea4SRalf Baechle	select I8253
2221da177e4SLinus Torvalds	select I8259
22367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
224d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
225252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
226e25bfc92SYoichi Yuasa	select PCI
2277cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
2280a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
229ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
2300e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
2315e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
232e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
2331da177e4SLinus Torvalds
2341da177e4SLinus Torvaldsconfig MACH_DECSTATION
2353fa986faSMartin Michlmayr	bool "DECstations"
2361da177e4SLinus Torvalds	select BOOT_ELF32
2376457d9fcSYoichi Yuasa	select CEVT_DS1287
23881d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
2394247417dSYoichi Yuasa	select CSRC_IOASIC
24081d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
24120d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
24220d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
24320d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
2441da177e4SLinus Torvalds	select DMA_NONCOHERENT
245ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
24667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2477cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
2487cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
249ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
2507d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
2515e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
2521723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
2531723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
2541723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
255930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
2565e83d430SRalf Baechle	help
2571da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
2581da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
2591da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
2601da177e4SLinus Torvalds
2611da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
2621da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
2631da177e4SLinus Torvalds
2641da177e4SLinus Torvalds		DECstation 5000/50
2651da177e4SLinus Torvalds		DECstation 5000/150
2661da177e4SLinus Torvalds		DECstation 5000/260
2671da177e4SLinus Torvalds		DECsystem 5900/260
2681da177e4SLinus Torvalds
2691da177e4SLinus Torvalds	  otherwise choose R3000.
2701da177e4SLinus Torvalds
2715e83d430SRalf Baechleconfig MACH_JAZZ
2723fa986faSMartin Michlmayr	bool "Jazz family of machines"
2730e2794b0SRalf Baechle	select FW_ARC
2740e2794b0SRalf Baechle	select FW_ARC32
2755e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
27642f77542SRalf Baechle	select CEVT_R4K
277940f6b48SRalf Baechle	select CSRC_R4K
278e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
2795e83d430SRalf Baechle	select GENERIC_ISA_DMA
2808a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
28167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
282d865bea4SRalf Baechle	select I8253
2835e83d430SRalf Baechle	select I8259
2845e83d430SRalf Baechle	select ISA
2857cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
2865e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
2877d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
2881723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
2891da177e4SLinus Torvalds	help
2905e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
2915e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
292692105b8SMatt LaPlante	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
2935e83d430SRalf Baechle	 Olivetti M700-10 workstations.
2945e83d430SRalf Baechle
295de361e8bSPaul Burtonconfig MACH_INGENIC
296de361e8bSPaul Burton	bool "Ingenic SoC based machines"
2975ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
2985ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
299f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
3005ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
30167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3025ebabe59SLars-Peter Clausen	select ARCH_REQUIRE_GPIOLIB
303ff1930c6SPaul Burton	select COMMON_CLK
30483bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
305ffb1843dSPaul Burton	select BUILTIN_DTB
306ffb1843dSPaul Burton	select USE_OF
3076ec127fbSPaul Burton	select LIBFDT
3085ebabe59SLars-Peter Clausen
309171bb2f1SJohn Crispinconfig LANTIQ
310171bb2f1SJohn Crispin	bool "Lantiq based platforms"
311171bb2f1SJohn Crispin	select DMA_NONCOHERENT
31267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
313171bb2f1SJohn Crispin	select CEVT_R4K
314171bb2f1SJohn Crispin	select CSRC_R4K
315171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
316171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
317171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
318171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
319377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
320171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
321171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
322171bb2f1SJohn Crispin	select ARCH_REQUIRE_GPIOLIB
323171bb2f1SJohn Crispin	select SWAP_IO_SPACE
324171bb2f1SJohn Crispin	select BOOT_RAW
325287e3f3fSJohn Crispin	select HAVE_MACH_CLKDEV
326287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
327a0392222SJohn Crispin	select USE_OF
3283f8c50c9SJohn Crispin	select PINCTRL
3293f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
330c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
331c530781cSJohn Crispin	select RESET_CONTROLLER
332171bb2f1SJohn Crispin
3331f21d2bdSBrian Murphyconfig LASAT
3341f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
33542f77542SRalf Baechle	select CEVT_R4K
33616f0bbbcSRalf Baechle	select CRC32
337940f6b48SRalf Baechle	select CSRC_R4K
3381f21d2bdSBrian Murphy	select DMA_NONCOHERENT
3391f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
3401f21d2bdSBrian Murphy	select HW_HAS_PCI
34167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3421f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
3431f21d2bdSBrian Murphy	select MIPS_NILE4
3441f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
3451f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
3461f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
3471f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
3481f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
3491f21d2bdSBrian Murphy
35030ad29bbSHuacai Chenconfig MACH_LOONGSON32
35130ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
352c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
353ade299d8SYoichi Yuasa	help
35430ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
35585749d24SWu Zhangjin
35630ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
35730ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
35830ad29bbSHuacai Chen	  Sciences (CAS).
359ade299d8SYoichi Yuasa
36030ad29bbSHuacai Chenconfig MACH_LOONGSON64
36130ad29bbSHuacai Chen	bool "Loongson-2/3 family of machines"
362ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
363ca585cf9SKelvin Cheung	help
36430ad29bbSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
365ca585cf9SKelvin Cheung
36630ad29bbSHuacai Chen	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
36730ad29bbSHuacai Chen	  family of multi-core CPUs. They are both 64-bit general-purpose
36830ad29bbSHuacai Chen	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
36930ad29bbSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
37030ad29bbSHuacai Chen	  in the People's Republic of China. The chief architect is Professor
37130ad29bbSHuacai Chen	  Weiwu Hu.
372ca585cf9SKelvin Cheung
3736a438309SAndrew Brestickerconfig MACH_PISTACHIO
3746a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
3756a438309SAndrew Bresticker	select ARCH_REQUIRE_GPIOLIB
3766a438309SAndrew Bresticker	select BOOT_ELF32
3776a438309SAndrew Bresticker	select BOOT_RAW
3786a438309SAndrew Bresticker	select CEVT_R4K
3796a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
3806a438309SAndrew Bresticker	select COMMON_CLK
3816a438309SAndrew Bresticker	select CSRC_R4K
3826a438309SAndrew Bresticker	select DMA_MAYBE_COHERENT
38367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3846a438309SAndrew Bresticker	select LIBFDT
3856a438309SAndrew Bresticker	select MFD_SYSCON
3866a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
3876a438309SAndrew Bresticker	select MIPS_GIC
3886a438309SAndrew Bresticker	select PINCTRL
3896a438309SAndrew Bresticker	select REGULATOR
3906a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
3916a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
3926a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
3936a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
3946a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
3956a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
396018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
397018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
3986a438309SAndrew Bresticker	select USE_OF
3996a438309SAndrew Bresticker	help
4006a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
4016a438309SAndrew Bresticker
4021da177e4SLinus Torvaldsconfig MIPS_MALTA
4033fa986faSMartin Michlmayr	bool "MIPS Malta board"
40461ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
4051da177e4SLinus Torvalds	select BOOT_ELF32
406fa71c960SRalf Baechle	select BOOT_RAW
407*e8823d26SPaul Burton	select BUILTIN_DTB
40842f77542SRalf Baechle	select CEVT_R4K
409940f6b48SRalf Baechle	select CSRC_R4K
410fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
411885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
4121da177e4SLinus Torvalds	select GENERIC_ISA_DMA
4138a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4158a19b8f1SAndrew Bresticker	select MIPS_GIC
4161da177e4SLinus Torvalds	select HW_HAS_PCI
417d865bea4SRalf Baechle	select I8253
4181da177e4SLinus Torvalds	select I8259
4195e83d430SRalf Baechle	select MIPS_BONITO64
4209318c51aSChris Dearman	select MIPS_CPU_SCACHE
421a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
422252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
4235e83d430SRalf Baechle	select MIPS_MSC
4241da177e4SLinus Torvalds	select SWAP_IO_SPACE
4257cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
4267cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
427bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
428c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
429575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
4307cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
4315d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
432575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
4337cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
4347cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
435ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
436ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
4375e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
438c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
4395e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
440424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
4410365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
442e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
443377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
444f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
4459693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
4461b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
447*e8823d26SPaul Burton	select USE_OF
448abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
4491da177e4SLinus Torvalds	help
450f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
4511da177e4SLinus Torvalds	  board.
4521da177e4SLinus Torvalds
453ec47b274SSteven J. Hillconfig MIPS_SEAD3
454ec47b274SSteven J. Hill	bool "MIPS SEAD3 board"
455ec47b274SSteven J. Hill	select BOOT_ELF32
456ec47b274SSteven J. Hill	select BOOT_RAW
457f262b5f2SAndrew Bresticker	select BUILTIN_DTB
458ec47b274SSteven J. Hill	select CEVT_R4K
459ec47b274SSteven J. Hill	select CSRC_R4K
460fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
461ec47b274SSteven J. Hill	select CPU_MIPSR2_IRQ_VI
462ec47b274SSteven J. Hill	select CPU_MIPSR2_IRQ_EI
463ec47b274SSteven J. Hill	select DMA_NONCOHERENT
46467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4658a19b8f1SAndrew Bresticker	select MIPS_GIC
46644327236SQais Yousef	select LIBFDT
467ec47b274SSteven J. Hill	select MIPS_MSC
468ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R1
469ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R2
470ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS64_R1
471ec47b274SSteven J. Hill	select SYS_HAS_EARLY_PRINTK
472ec47b274SSteven J. Hill	select SYS_SUPPORTS_32BIT_KERNEL
473ec47b274SSteven J. Hill	select SYS_SUPPORTS_64BIT_KERNEL
474ec47b274SSteven J. Hill	select SYS_SUPPORTS_BIG_ENDIAN
475ec47b274SSteven J. Hill	select SYS_SUPPORTS_LITTLE_ENDIAN
476ec47b274SSteven J. Hill	select SYS_SUPPORTS_SMARTMIPS
477a6a4834cSSteven J. Hill	select SYS_SUPPORTS_MICROMIPS
478377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
479ec47b274SSteven J. Hill	select USB_EHCI_BIG_ENDIAN_DESC
480ec47b274SSteven J. Hill	select USB_EHCI_BIG_ENDIAN_MMIO
4819b731009SSteven J. Hill	select USE_OF
482ec47b274SSteven J. Hill	help
483ec47b274SSteven J. Hill	  This enables support for the MIPS Technologies SEAD3 evaluation
484ec47b274SSteven J. Hill	  board.
485ec47b274SSteven J. Hill
486a83860c2SRalf Baechleconfig NEC_MARKEINS
487a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
488a83860c2SRalf Baechle	select SOC_EMMA2RH
489a83860c2SRalf Baechle	select HW_HAS_PCI
490a83860c2SRalf Baechle	help
491a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
492ade299d8SYoichi Yuasa
4935e83d430SRalf Baechleconfig MACH_VR41XX
49474142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
49542f77542SRalf Baechle	select CEVT_R4K
496940f6b48SRalf Baechle	select CSRC_R4K
4977cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
498377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
49927fdd325SYoichi Yuasa	select ARCH_REQUIRE_GPIOLIB
5005e83d430SRalf Baechle
501edb6310aSDaniel Lairdconfig NXP_STB220
502edb6310aSDaniel Laird	bool "NXP STB220 board"
503edb6310aSDaniel Laird	select SOC_PNX833X
504edb6310aSDaniel Laird	help
505edb6310aSDaniel Laird	 Support for NXP Semiconductors STB220 Development Board.
506edb6310aSDaniel Laird
507edb6310aSDaniel Lairdconfig NXP_STB225
508edb6310aSDaniel Laird	bool "NXP 225 board"
509edb6310aSDaniel Laird	select SOC_PNX833X
510edb6310aSDaniel Laird	select SOC_PNX8335
511edb6310aSDaniel Laird	help
512edb6310aSDaniel Laird	 Support for NXP Semiconductors STB225 Development Board.
513edb6310aSDaniel Laird
5149267a30dSMarc St-Jeanconfig PMC_MSP
5159267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
51639d30c13SAnoop P A	select CEVT_R4K
51739d30c13SAnoop P A	select CSRC_R4K
5189267a30dSMarc St-Jean	select DMA_NONCOHERENT
5199267a30dSMarc St-Jean	select SWAP_IO_SPACE
5209267a30dSMarc St-Jean	select NO_EXCEPT_FILL
5219267a30dSMarc St-Jean	select BOOT_RAW
5229267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
5239267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
5249267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
5259267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
526377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
52767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5289267a30dSMarc St-Jean	select SERIAL_8250
5299267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
5309296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
5319296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
5329267a30dSMarc St-Jean	help
5339267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
5349267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
5359267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
5369267a30dSMarc St-Jean	  a variety of MIPS cores.
5379267a30dSMarc St-Jean
538ae2b5bb6SJohn Crispinconfig RALINK
539ae2b5bb6SJohn Crispin	bool "Ralink based machines"
540ae2b5bb6SJohn Crispin	select CEVT_R4K
541ae2b5bb6SJohn Crispin	select CSRC_R4K
542ae2b5bb6SJohn Crispin	select BOOT_RAW
543ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
54467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
545ae2b5bb6SJohn Crispin	select USE_OF
546ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
547ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
548ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
549ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
550377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
551ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
552ae2b5bb6SJohn Crispin	select HAVE_MACH_CLKDEV
553ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
5542a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
5552a153f1cSJohn Crispin	select RESET_CONTROLLER
556ae2b5bb6SJohn Crispin
5571da177e4SLinus Torvaldsconfig SGI_IP22
5583fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
5590e2794b0SRalf Baechle	select FW_ARC
5600e2794b0SRalf Baechle	select FW_ARC32
5611da177e4SLinus Torvalds	select BOOT_ELF32
56242f77542SRalf Baechle	select CEVT_R4K
563940f6b48SRalf Baechle	select CSRC_R4K
564e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
5651da177e4SLinus Torvalds	select DMA_NONCOHERENT
5665e83d430SRalf Baechle	select HW_HAS_EISA
567d865bea4SRalf Baechle	select I8253
56868de4803SThomas Bogendoerfer	select I8259
5691da177e4SLinus Torvalds	select IP22_CPU_SCACHE
57067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
571aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
572e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
573e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
57436e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
575e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
576e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
577e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
5781da177e4SLinus Torvalds	select SWAP_IO_SPACE
5797cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
5807cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
5812b5e63f6SMartin Michlmayr	#
5822b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
5832b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
5842b5e63f6SMartin Michlmayr	#
5852b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
5862b5e63f6SMartin Michlmayr	# for a more details discussion
5872b5e63f6SMartin Michlmayr	#
5882b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
589ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
590ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5915e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
592930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
5931da177e4SLinus Torvalds	help
5941da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
5951da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
5961da177e4SLinus Torvalds	  that runs on these, say Y here.
5971da177e4SLinus Torvalds
5981da177e4SLinus Torvaldsconfig SGI_IP27
5993fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
6000e2794b0SRalf Baechle	select FW_ARC
6010e2794b0SRalf Baechle	select FW_ARC64
6025e83d430SRalf Baechle	select BOOT_ELF64
603e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
604634286f1SRalf Baechle	select DMA_COHERENT
60536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
6061da177e4SLinus Torvalds	select HW_HAS_PCI
607130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
6087cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
609ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6105e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
611d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6121a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
613930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6141da177e4SLinus Torvalds	help
6151da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6161da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6171da177e4SLinus Torvalds	  here.
6181da177e4SLinus Torvalds
619e2defae5SThomas Bogendoerferconfig SGI_IP28
6207d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
6210e2794b0SRalf Baechle	select FW_ARC
6220e2794b0SRalf Baechle	select FW_ARC64
623e2defae5SThomas Bogendoerfer	select BOOT_ELF64
624e2defae5SThomas Bogendoerfer	select CEVT_R4K
625e2defae5SThomas Bogendoerfer	select CSRC_R4K
626e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
627e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
628e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
62967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
630e2defae5SThomas Bogendoerfer	select HW_HAS_EISA
631e2defae5SThomas Bogendoerfer	select I8253
632e2defae5SThomas Bogendoerfer	select I8259
633e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
634e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
6355b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
636e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
637e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
638e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
639e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
640e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
6412b5e63f6SMartin Michlmayr	#
6422b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
6432b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
6442b5e63f6SMartin Michlmayr	#
6452b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
6462b5e63f6SMartin Michlmayr	# for a more details discussion
6472b5e63f6SMartin Michlmayr	#
6482b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
649e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
650e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
651dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
652e2defae5SThomas Bogendoerfer      help
653e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
654e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
655e2defae5SThomas Bogendoerfer
6561da177e4SLinus Torvaldsconfig SGI_IP32
657cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
6580e2794b0SRalf Baechle	select FW_ARC
6590e2794b0SRalf Baechle	select FW_ARC32
6601da177e4SLinus Torvalds	select BOOT_ELF32
66142f77542SRalf Baechle	select CEVT_R4K
662940f6b48SRalf Baechle	select CSRC_R4K
6631da177e4SLinus Torvalds	select DMA_NONCOHERENT
6641da177e4SLinus Torvalds	select HW_HAS_PCI
66567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
6661da177e4SLinus Torvalds	select R5000_CPU_SCACHE
6671da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
6687cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
6697cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
6707cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
671dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
672ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6735e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6741da177e4SLinus Torvalds	help
6751da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
6761da177e4SLinus Torvalds
677ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
678ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
6795e83d430SRalf Baechle	select BOOT_ELF32
6805e83d430SRalf Baechle	select DMA_COHERENT
6815e83d430SRalf Baechle	select SIBYTE_BCM1120
6825e83d430SRalf Baechle	select SWAP_IO_SPACE
6837cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
6845e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6855e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
6865e83d430SRalf Baechle
687ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
688ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
6895e83d430SRalf Baechle	select BOOT_ELF32
6905e83d430SRalf Baechle	select DMA_COHERENT
6915e83d430SRalf Baechle	select SIBYTE_BCM1120
6925e83d430SRalf Baechle	select SWAP_IO_SPACE
6937cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
6945e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6955e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
6965e83d430SRalf Baechle
6975e83d430SRalf Baechleconfig SIBYTE_CRHONE
6983fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
6995e83d430SRalf Baechle	select BOOT_ELF32
7005e83d430SRalf Baechle	select DMA_COHERENT
7015e83d430SRalf Baechle	select SIBYTE_BCM1125
7025e83d430SRalf Baechle	select SWAP_IO_SPACE
7037cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7045e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7055e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7065e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7075e83d430SRalf Baechle
708ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
709ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
710ade299d8SYoichi Yuasa	select BOOT_ELF32
711ade299d8SYoichi Yuasa	select DMA_COHERENT
712ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
713ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
714ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
715ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
716ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
717ade299d8SYoichi Yuasa
718ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
719ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
720ade299d8SYoichi Yuasa	select BOOT_ELF32
721ade299d8SYoichi Yuasa	select DMA_COHERENT
722fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
723ade299d8SYoichi Yuasa	select SIBYTE_SB1250
724ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
725ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
726ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
727ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
728ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
729cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
730ade299d8SYoichi Yuasa
731ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
732ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
733ade299d8SYoichi Yuasa	select BOOT_ELF32
734ade299d8SYoichi Yuasa	select DMA_COHERENT
735fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
736ade299d8SYoichi Yuasa	select SIBYTE_SB1250
737ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
738ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
739ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
740ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
741ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
742ade299d8SYoichi Yuasa
743ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
744ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
745ade299d8SYoichi Yuasa	select BOOT_ELF32
746ade299d8SYoichi Yuasa	select DMA_COHERENT
747ade299d8SYoichi Yuasa	select SIBYTE_SB1250
748ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
749ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
750ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
751ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
752ade299d8SYoichi Yuasa
753ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
754ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
755ade299d8SYoichi Yuasa	select BOOT_ELF32
756ade299d8SYoichi Yuasa	select DMA_COHERENT
757ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
758ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
759ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
760ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
761ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
762651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
763ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
764cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
765ade299d8SYoichi Yuasa
76614b36af4SThomas Bogendoerferconfig SNI_RM
76714b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
7680e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
7690e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
770aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
7715e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
7725e83d430SRalf Baechle	select BOOT_ELF32
77342f77542SRalf Baechle	select CEVT_R4K
774940f6b48SRalf Baechle	select CSRC_R4K
775e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
7765e83d430SRalf Baechle	select DMA_NONCOHERENT
7775e83d430SRalf Baechle	select GENERIC_ISA_DMA
7788a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
7795e83d430SRalf Baechle	select HW_HAS_EISA
7805e83d430SRalf Baechle	select HW_HAS_PCI
78167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
782d865bea4SRalf Baechle	select I8253
7835e83d430SRalf Baechle	select I8259
7845e83d430SRalf Baechle	select ISA
7854a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7867cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
7874a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
788c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7894a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
79036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
791ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
7927d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
7934a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7945e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7955e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7961da177e4SLinus Torvalds	help
79714b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
79814b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
7995e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8005e83d430SRalf Baechle	  support this machine type.
8011da177e4SLinus Torvalds
802edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
803edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8045e83d430SRalf Baechle
805edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
806edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
80723fbee9dSRalf Baechle
80873b4390fSRalf Baechleconfig MIKROTIK_RB532
80973b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
81073b4390fSRalf Baechle	select CEVT_R4K
81173b4390fSRalf Baechle	select CSRC_R4K
81273b4390fSRalf Baechle	select DMA_NONCOHERENT
81373b4390fSRalf Baechle	select HW_HAS_PCI
81467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
81573b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
81673b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
81773b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
81873b4390fSRalf Baechle	select SWAP_IO_SPACE
81973b4390fSRalf Baechle	select BOOT_RAW
820d888e25bSFlorian Fainelli	select ARCH_REQUIRE_GPIOLIB
821930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
82273b4390fSRalf Baechle	help
82373b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
82473b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
82573b4390fSRalf Baechle
8269ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
8279ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
828a86c7f72SDavid Daney	select CEVT_R4K
82934adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
830a86c7f72SDavid Daney	select DMA_COHERENT
831a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
832a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
833f65aad41SRalf Baechle	select EDAC_SUPPORT
83473569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
83573569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
836a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
8375e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
838a86c7f72SDavid Daney	select SWAP_IO_SPACE
839e8635b48SDavid Daney	select HW_HAS_PCI
840f00e001eSDavid Daney	select ZONE_DMA32
841465aaed0SDavid Daney	select HOLES_IN_ZONE
84299cab4bbSDavid Daney	select ARCH_REQUIRE_GPIOLIB
8436e511163SDavid Daney	select LIBFDT
8446e511163SDavid Daney	select USE_OF
8456e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
8466e511163SDavid Daney	select SYS_SUPPORTS_SMP
8476e511163SDavid Daney	select NR_CPUS_DEFAULT_16
848e326479fSAndrew Bresticker	select BUILTIN_DTB
8498c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
850a86c7f72SDavid Daney	help
851a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
852a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
853a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
854a86c7f72SDavid Daney	  Some of the supported boards are:
855a86c7f72SDavid Daney		EBT3000
856a86c7f72SDavid Daney		EBH3000
857a86c7f72SDavid Daney		EBH3100
858a86c7f72SDavid Daney		Thunder
859a86c7f72SDavid Daney		Kodama
860a86c7f72SDavid Daney		Hikari
861a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
862a86c7f72SDavid Daney
8637f058e85SJayachandran Cconfig NLM_XLR_BOARD
8647f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
8657f058e85SJayachandran C	select BOOT_ELF32
8667f058e85SJayachandran C	select NLM_COMMON
8677f058e85SJayachandran C	select SYS_HAS_CPU_XLR
8687f058e85SJayachandran C	select SYS_SUPPORTS_SMP
8697f058e85SJayachandran C	select HW_HAS_PCI
8707f058e85SJayachandran C	select SWAP_IO_SPACE
8717f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
8727f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
87334adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
8747f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
8757f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
8767f058e85SJayachandran C	select DMA_COHERENT
8777f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
8787f058e85SJayachandran C	select CEVT_R4K
8797f058e85SJayachandran C	select CSRC_R4K
88067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
881b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
8827f058e85SJayachandran C	select SYNC_R4K
8837f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
8848f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
8858f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
8867f058e85SJayachandran C	help
8877f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
8887f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
8897f058e85SJayachandran C
8901c773ea4SJayachandran Cconfig NLM_XLP_BOARD
8911c773ea4SJayachandran C	bool "Netlogic XLP based systems"
8921c773ea4SJayachandran C	select BOOT_ELF32
8931c773ea4SJayachandran C	select NLM_COMMON
8941c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
8951c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
8961c773ea4SJayachandran C	select HW_HAS_PCI
8971c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
8981c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
89934adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
9001c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9011c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
9021c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9031c773ea4SJayachandran C	select DMA_COHERENT
9041c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
9051c773ea4SJayachandran C	select CEVT_R4K
9061c773ea4SJayachandran C	select CSRC_R4K
90767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
908b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9091c773ea4SJayachandran C	select SYNC_R4K
9101c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
9112f6528e1SJayachandran C	select USE_OF
9128f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9138f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9141c773ea4SJayachandran C	help
9151c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
9161c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
9171c773ea4SJayachandran C
9189bc463beSDavid Daneyconfig MIPS_PARAVIRT
9199bc463beSDavid Daney	bool "Para-Virtualized guest system"
9209bc463beSDavid Daney	select CEVT_R4K
9219bc463beSDavid Daney	select CSRC_R4K
9229bc463beSDavid Daney	select DMA_COHERENT
9239bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
9249bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
9259bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
9269bc463beSDavid Daney	select SYS_SUPPORTS_SMP
9279bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
9289bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
9299bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
9309bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
9319bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
9329bc463beSDavid Daney	select HW_HAS_PCI
9339bc463beSDavid Daney	select SWAP_IO_SPACE
9349bc463beSDavid Daney	help
9359bc463beSDavid Daney	  This option supports guest running under ????
9369bc463beSDavid Daney
9371da177e4SLinus Torvaldsendchoice
9381da177e4SLinus Torvalds
939e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
9403b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
941d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
942a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
943e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
9448945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
9455e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
9465ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
9478ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
9481f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
9490f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
950ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
95129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
95238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
95322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
9545e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
955a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
95630ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
95730ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
9587f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
959ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
96038b18f72SRalf Baechle
9615e83d430SRalf Baechleendmenu
9625e83d430SRalf Baechle
9631da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
9641da177e4SLinus Torvalds	bool
9651da177e4SLinus Torvalds	default y
9661da177e4SLinus Torvalds
9671da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
9681da177e4SLinus Torvalds	bool
9691da177e4SLinus Torvalds
970f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32
971f0d1b0b3SDavid Howells	bool
972f0d1b0b3SDavid Howells	default n
973f0d1b0b3SDavid Howells
974f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64
975f0d1b0b3SDavid Howells	bool
976f0d1b0b3SDavid Howells	default n
977f0d1b0b3SDavid Howells
9783c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
9793c9ee7efSAkinobu Mita	bool
9803c9ee7efSAkinobu Mita	default y
9813c9ee7efSAkinobu Mita
9821da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
9831da177e4SLinus Torvalds	bool
9841da177e4SLinus Torvalds	default y
9851da177e4SLinus Torvalds
986ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
9871cc89038SAtsushi Nemoto	bool
9881cc89038SAtsushi Nemoto	default y
9891cc89038SAtsushi Nemoto
9901da177e4SLinus Torvalds#
9911da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
9921da177e4SLinus Torvalds#
9930e2794b0SRalf Baechleconfig FW_ARC
9941da177e4SLinus Torvalds	bool
9951da177e4SLinus Torvalds
99661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
99761ed242dSRalf Baechle	bool
99861ed242dSRalf Baechle
9999267a30dSMarc St-Jeanconfig BOOT_RAW
10009267a30dSMarc St-Jean	bool
10019267a30dSMarc St-Jean
1002217dd11eSRalf Baechleconfig CEVT_BCM1480
1003217dd11eSRalf Baechle	bool
1004217dd11eSRalf Baechle
10056457d9fcSYoichi Yuasaconfig CEVT_DS1287
10066457d9fcSYoichi Yuasa	bool
10076457d9fcSYoichi Yuasa
10081097c6acSYoichi Yuasaconfig CEVT_GT641XX
10091097c6acSYoichi Yuasa	bool
10101097c6acSYoichi Yuasa
101142f77542SRalf Baechleconfig CEVT_R4K
101242f77542SRalf Baechle	bool
101342f77542SRalf Baechle
1014217dd11eSRalf Baechleconfig CEVT_SB1250
1015217dd11eSRalf Baechle	bool
1016217dd11eSRalf Baechle
1017229f773eSAtsushi Nemotoconfig CEVT_TXX9
1018229f773eSAtsushi Nemoto	bool
1019229f773eSAtsushi Nemoto
1020217dd11eSRalf Baechleconfig CSRC_BCM1480
1021217dd11eSRalf Baechle	bool
1022217dd11eSRalf Baechle
10234247417dSYoichi Yuasaconfig CSRC_IOASIC
10244247417dSYoichi Yuasa	bool
10254247417dSYoichi Yuasa
1026940f6b48SRalf Baechleconfig CSRC_R4K
1027940f6b48SRalf Baechle	bool
1028940f6b48SRalf Baechle
1029217dd11eSRalf Baechleconfig CSRC_SB1250
1030217dd11eSRalf Baechle	bool
1031217dd11eSRalf Baechle
1032a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
10337444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
1034a9aec7feSAtsushi Nemoto	bool
1035a9aec7feSAtsushi Nemoto
10360e2794b0SRalf Baechleconfig FW_CFE
1037df78b5c8SAurelien Jarno	bool
1038df78b5c8SAurelien Jarno
10394bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT
104034adb28dSRalf Baechle	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
10414bafad92SFUJITA Tomonori
1042885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1043885014bcSFelix Fietkau	select DMA_NONCOHERENT
1044885014bcSFelix Fietkau	bool
1045885014bcSFelix Fietkau
10461da177e4SLinus Torvaldsconfig DMA_COHERENT
10471da177e4SLinus Torvalds	bool
10481da177e4SLinus Torvalds
10491da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
10501da177e4SLinus Torvalds	bool
1051e1e02b32SFUJITA Tomonori	select NEED_DMA_MAP_STATE
10524ce588cdSRalf Baechle
1053e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE
10544ce588cdSRalf Baechle	bool
10551da177e4SLinus Torvalds
105636a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
10571da177e4SLinus Torvalds	bool
10581da177e4SLinus Torvalds
1059dbb74540SRalf Baechleconfig HOTPLUG_CPU
10601b2bc75cSRalf Baechle	bool "Support for hot-pluggable CPUs"
106140b31360SStephen Rothwell	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
10621b2bc75cSRalf Baechle	help
10631b2bc75cSRalf Baechle	  Say Y here to allow turning CPUs off and on. CPUs can be
10641b2bc75cSRalf Baechle	  controlled through /sys/devices/system/cpu.
10651b2bc75cSRalf Baechle	  (Note: power management support will enable this option
10661b2bc75cSRalf Baechle	    automatically on SMP systems. )
10671b2bc75cSRalf Baechle	  Say N if you want to disable CPU hotplug.
10681b2bc75cSRalf Baechle
10691b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1070dbb74540SRalf Baechle	bool
1071dbb74540SRalf Baechle
10721da177e4SLinus Torvaldsconfig I8259
10731da177e4SLinus Torvalds	bool
1074079a4601SAndrew Bresticker	select IRQ_DOMAIN
10751da177e4SLinus Torvalds
10761da177e4SLinus Torvaldsconfig MIPS_BONITO64
10771da177e4SLinus Torvalds	bool
10781da177e4SLinus Torvalds
10791da177e4SLinus Torvaldsconfig MIPS_MSC
10801da177e4SLinus Torvalds	bool
10811da177e4SLinus Torvalds
10821f21d2bdSBrian Murphyconfig MIPS_NILE4
10831f21d2bdSBrian Murphy	bool
10841f21d2bdSBrian Murphy
108539b8d525SRalf Baechleconfig SYNC_R4K
108639b8d525SRalf Baechle	bool
108739b8d525SRalf Baechle
1088487d70d0SGabor Juhosconfig MIPS_MACHINE
1089487d70d0SGabor Juhos	def_bool n
1090487d70d0SGabor Juhos
1091ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1092d388d685SMaciej W. Rozycki	def_bool n
1093d388d685SMaciej W. Rozycki
10944e0748f5SMarkos Chandrasconfig GENERIC_CSUM
10954e0748f5SMarkos Chandras	bool
10964e0748f5SMarkos Chandras
10978313da30SRalf Baechleconfig GENERIC_ISA_DMA
10988313da30SRalf Baechle	bool
10998313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1100a35bee8aSNamhyung Kim	select ISA_DMA_API
11018313da30SRalf Baechle
1102aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1103aa414dffSRalf Baechle	bool
11048313da30SRalf Baechle	select GENERIC_ISA_DMA
1105aa414dffSRalf Baechle
1106a35bee8aSNamhyung Kimconfig ISA_DMA_API
1107a35bee8aSNamhyung Kim	bool
1108a35bee8aSNamhyung Kim
1109465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1110465aaed0SDavid Daney	bool
1111465aaed0SDavid Daney
11125e83d430SRalf Baechle#
11136b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11145e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11155e83d430SRalf Baechle# choice statement should be more obvious to the user.
11165e83d430SRalf Baechle#
11175e83d430SRalf Baechlechoice
11186b2aac42SMasanari Iida	prompt "Endianness selection"
11191da177e4SLinus Torvalds	help
11201da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11215e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11223cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11235e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11243dde6ad8SDavid Sterba	  one or the other endianness.
11255e83d430SRalf Baechle
11265e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11275e83d430SRalf Baechle	bool "Big endian"
11285e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11295e83d430SRalf Baechle
11305e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11315e83d430SRalf Baechle	bool "Little endian"
11325e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11335e83d430SRalf Baechle
11345e83d430SRalf Baechleendchoice
11355e83d430SRalf Baechle
113622b0763aSDavid Daneyconfig EXPORT_UASM
113722b0763aSDavid Daney	bool
113822b0763aSDavid Daney
11392116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11402116245eSRalf Baechle	bool
11412116245eSRalf Baechle
11425e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11435e83d430SRalf Baechle	bool
11445e83d430SRalf Baechle
11455e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
11465e83d430SRalf Baechle	bool
11471da177e4SLinus Torvalds
11489cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
11499cffd154SDavid Daney	bool
11509cffd154SDavid Daney	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
11519cffd154SDavid Daney	default y
11529cffd154SDavid Daney
1153aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1154aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1155aa1762f4SDavid Daney
11561da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
11571da177e4SLinus Torvalds	bool
11581da177e4SLinus Torvalds
11599267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
11609267a30dSMarc St-Jean	bool
11619267a30dSMarc St-Jean
11629267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
11639267a30dSMarc St-Jean	bool
11649267a30dSMarc St-Jean
11658420fd00SAtsushi Nemotoconfig IRQ_TXX9
11668420fd00SAtsushi Nemoto	bool
11678420fd00SAtsushi Nemoto
1168d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1169d5ab1a69SYoichi Yuasa	bool
1170d5ab1a69SYoichi Yuasa
1171252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
11721da177e4SLinus Torvalds	bool
11731da177e4SLinus Torvalds
11749267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
11759267a30dSMarc St-Jean	bool
11769267a30dSMarc St-Jean
1177a83860c2SRalf Baechleconfig SOC_EMMA2RH
1178a83860c2SRalf Baechle	bool
1179a83860c2SRalf Baechle	select CEVT_R4K
1180a83860c2SRalf Baechle	select CSRC_R4K
1181a83860c2SRalf Baechle	select DMA_NONCOHERENT
118267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1183a83860c2SRalf Baechle	select SWAP_IO_SPACE
1184a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1185a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1186a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1187a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1188a83860c2SRalf Baechle
1189edb6310aSDaniel Lairdconfig SOC_PNX833X
1190edb6310aSDaniel Laird	bool
1191edb6310aSDaniel Laird	select CEVT_R4K
1192edb6310aSDaniel Laird	select CSRC_R4K
119367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1194edb6310aSDaniel Laird	select DMA_NONCOHERENT
1195edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1196edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1197edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1198edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1199377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1200edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1201edb6310aSDaniel Laird
1202edb6310aSDaniel Lairdconfig SOC_PNX8335
1203edb6310aSDaniel Laird	bool
1204edb6310aSDaniel Laird	select SOC_PNX833X
1205edb6310aSDaniel Laird
1206a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1207a7e07b1aSMarkos Chandras	bool
1208a7e07b1aSMarkos Chandras
12091da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12101da177e4SLinus Torvalds	bool
12111da177e4SLinus Torvalds
1212e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1213e2defae5SThomas Bogendoerfer	bool
1214e2defae5SThomas Bogendoerfer
12155b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12165b438c44SThomas Bogendoerfer	bool
12175b438c44SThomas Bogendoerfer
1218e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1219e2defae5SThomas Bogendoerfer	bool
1220e2defae5SThomas Bogendoerfer
1221e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1222e2defae5SThomas Bogendoerfer	bool
1223e2defae5SThomas Bogendoerfer
1224e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1225e2defae5SThomas Bogendoerfer	bool
1226e2defae5SThomas Bogendoerfer
1227e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1228e2defae5SThomas Bogendoerfer	bool
1229e2defae5SThomas Bogendoerfer
1230e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1231e2defae5SThomas Bogendoerfer	bool
1232e2defae5SThomas Bogendoerfer
12330e2794b0SRalf Baechleconfig FW_ARC32
12345e83d430SRalf Baechle	bool
12355e83d430SRalf Baechle
1236aaa9fad3SPaul Bolleconfig FW_SNIPROM
1237231a35d3SThomas Bogendoerfer	bool
1238231a35d3SThomas Bogendoerfer
12391da177e4SLinus Torvaldsconfig BOOT_ELF32
12401da177e4SLinus Torvalds	bool
12411da177e4SLinus Torvalds
1242930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1243930beb5aSFlorian Fainelli	bool
1244930beb5aSFlorian Fainelli
1245930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1246930beb5aSFlorian Fainelli	bool
1247930beb5aSFlorian Fainelli
1248930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1249930beb5aSFlorian Fainelli	bool
1250930beb5aSFlorian Fainelli
1251930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1252930beb5aSFlorian Fainelli	bool
1253930beb5aSFlorian Fainelli
12541da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12551da177e4SLinus Torvalds	int
1256a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12575432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12585432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12595432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12601da177e4SLinus Torvalds	default "5"
12611da177e4SLinus Torvalds
12621da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
12631da177e4SLinus Torvalds	bool
12641da177e4SLinus Torvalds
12651da177e4SLinus Torvaldsconfig ARC_CONSOLE
12661da177e4SLinus Torvalds	bool "ARC console support"
1267e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12681da177e4SLinus Torvalds
12691da177e4SLinus Torvaldsconfig ARC_MEMORY
12701da177e4SLinus Torvalds	bool
127114b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
12721da177e4SLinus Torvalds	default y
12731da177e4SLinus Torvalds
12741da177e4SLinus Torvaldsconfig ARC_PROMLIB
12751da177e4SLinus Torvalds	bool
1276e2defae5SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
12771da177e4SLinus Torvalds	default y
12781da177e4SLinus Torvalds
12790e2794b0SRalf Baechleconfig FW_ARC64
12801da177e4SLinus Torvalds	bool
12811da177e4SLinus Torvalds
12821da177e4SLinus Torvaldsconfig BOOT_ELF64
12831da177e4SLinus Torvalds	bool
12841da177e4SLinus Torvalds
12851da177e4SLinus Torvaldsmenu "CPU selection"
12861da177e4SLinus Torvalds
12871da177e4SLinus Torvaldschoice
12881da177e4SLinus Torvalds	prompt "CPU type"
12891da177e4SLinus Torvalds	default CPU_R4X00
12901da177e4SLinus Torvalds
12910e476d91SHuacai Chenconfig CPU_LOONGSON3
12920e476d91SHuacai Chen	bool "Loongson 3 CPU"
12930e476d91SHuacai Chen	depends on SYS_HAS_CPU_LOONGSON3
12940e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
12950e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
12960e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
12970e476d91SHuacai Chen	select WEAK_ORDERING
12980e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
1299cbfb3ea7SHuacai Chen	select ARCH_REQUIRE_GPIOLIB
13000e476d91SHuacai Chen	help
13010e476d91SHuacai Chen		The Loongson 3 processor implements the MIPS64R2 instruction
13020e476d91SHuacai Chen		set with many extensions.
13030e476d91SHuacai Chen
13043702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13053702bba5SWu Zhangjin	bool "Loongson 2E"
13063702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
13073702bba5SWu Zhangjin	select CPU_LOONGSON2
13082a21c730SFuxin Zhang	help
13092a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13102a21c730SFuxin Zhang	  with many extensions.
13112a21c730SFuxin Zhang
131225985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13136f7a251aSWu Zhangjin	  bonito64.
13146f7a251aSWu Zhangjin
13156f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13166f7a251aSWu Zhangjin	bool "Loongson 2F"
13176f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
13186f7a251aSWu Zhangjin	select CPU_LOONGSON2
1319c197da91SArnaud Patard	select ARCH_REQUIRE_GPIOLIB
13206f7a251aSWu Zhangjin	help
13216f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13226f7a251aSWu Zhangjin	  with many extensions.
13236f7a251aSWu Zhangjin
13246f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13256f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
13266f7a251aSWu Zhangjin	  Loongson2E.
13276f7a251aSWu Zhangjin
1328ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1329ca585cf9SKelvin Cheung	bool "Loongson 1B"
1330ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1331ca585cf9SKelvin Cheung	select CPU_LOONGSON1
1332ca585cf9SKelvin Cheung	help
1333ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1334ca585cf9SKelvin Cheung	  release 2 instruction set.
1335ca585cf9SKelvin Cheung
13366e760c8dSRalf Baechleconfig CPU_MIPS32_R1
13376e760c8dSRalf Baechle	bool "MIPS32 Release 1"
13387cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
13396e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1340797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1341ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
13426e760c8dSRalf Baechle	help
13435e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
13441e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
13451e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
13461e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
13471e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
13481e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
13491e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
13501e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
13511e5f1caaSRalf Baechle	  performance.
13521e5f1caaSRalf Baechle
13531e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
13541e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
13557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
13561e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1357797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1358ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1359a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
13602235a54dSSanjay Lal	select HAVE_KVM
13611e5f1caaSRalf Baechle	help
13625e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
13636e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
13646e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
13656e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
13666e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
13671da177e4SLinus Torvalds
13687fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
13697fd08ca5SLeonid Yegoshin	bool "MIPS32 Release 6 (EXPERIMENTAL)"
13707fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
13717fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
13727fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
13737fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
13747fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
13754e0748f5SMarkos Chandras	select GENERIC_CSUM
13767fd08ca5SLeonid Yegoshin	select HAVE_KVM
13777fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
13787fd08ca5SLeonid Yegoshin	help
13797fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
13807fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
13817fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
13827fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
13837fd08ca5SLeonid Yegoshin
13846e760c8dSRalf Baechleconfig CPU_MIPS64_R1
13856e760c8dSRalf Baechle	bool "MIPS64 Release 1"
13867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1387797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1388ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1389ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1390ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
13919cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
13926e760c8dSRalf Baechle	help
13936e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
13946e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
13956e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
13966e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
13976e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
13981e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
13991e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
14001e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
14011e5f1caaSRalf Baechle	  performance.
14021e5f1caaSRalf Baechle
14031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
14041e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
14057cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1406797798c1SRalf Baechle	select CPU_HAS_PREFETCH
14071e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
14081e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1409ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14109cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1411a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14121e5f1caaSRalf Baechle	help
14131e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14141e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14151e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14161e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14171e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14181da177e4SLinus Torvalds
14197fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
14207fd08ca5SLeonid Yegoshin	bool "MIPS64 Release 6 (EXPERIMENTAL)"
14217fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
14227fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
14237fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14247fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
14257fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14267fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14274e0748f5SMarkos Chandras	select GENERIC_CSUM
14287fd08ca5SLeonid Yegoshin	help
14297fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14307fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
14317fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
14327fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
14337fd08ca5SLeonid Yegoshin
14341da177e4SLinus Torvaldsconfig CPU_R3000
14351da177e4SLinus Torvalds	bool "R3000"
14367cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1437f7062ddbSRalf Baechle	select CPU_HAS_WB
1438ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1439797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14401da177e4SLinus Torvalds	help
14411da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
14421da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
14431da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
14441da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
14451da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
14461da177e4SLinus Torvalds	  try to recompile with R3000.
14471da177e4SLinus Torvalds
14481da177e4SLinus Torvaldsconfig CPU_TX39XX
14491da177e4SLinus Torvalds	bool "R39XX"
14507cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1451ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
14521da177e4SLinus Torvalds
14531da177e4SLinus Torvaldsconfig CPU_VR41XX
14541da177e4SLinus Torvalds	bool "R41xx"
14557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1456ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1457ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
14581da177e4SLinus Torvalds	help
14595e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
14601da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
14611da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
14621da177e4SLinus Torvalds	  processor or vice versa.
14631da177e4SLinus Torvalds
14641da177e4SLinus Torvaldsconfig CPU_R4300
14651da177e4SLinus Torvalds	bool "R4300"
14667cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1467ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1468ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
14691da177e4SLinus Torvalds	help
14701da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
14711da177e4SLinus Torvalds
14721da177e4SLinus Torvaldsconfig CPU_R4X00
14731da177e4SLinus Torvalds	bool "R4x00"
14747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1475ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1476ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1477970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
14781da177e4SLinus Torvalds	help
14791da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
14801da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
14811da177e4SLinus Torvalds
14821da177e4SLinus Torvaldsconfig CPU_TX49XX
14831da177e4SLinus Torvalds	bool "R49XX"
14847cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1485de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1486ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1487ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1488970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
14891da177e4SLinus Torvalds
14901da177e4SLinus Torvaldsconfig CPU_R5000
14911da177e4SLinus Torvalds	bool "R5000"
14927cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1493ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1494ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1495970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
14961da177e4SLinus Torvalds	help
14971da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
14981da177e4SLinus Torvalds
14991da177e4SLinus Torvaldsconfig CPU_R5432
15001da177e4SLinus Torvalds	bool "R5432"
15017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
15025e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15035e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1504970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15051da177e4SLinus Torvalds
1506542c1020SShinya Kuribayashiconfig CPU_R5500
1507542c1020SShinya Kuribayashi	bool "R5500"
1508542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1509542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1510542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
15119cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1512542c1020SShinya Kuribayashi	help
1513542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1514542c1020SShinya Kuribayashi	  instruction set.
1515542c1020SShinya Kuribayashi
15161da177e4SLinus Torvaldsconfig CPU_R6000
15171da177e4SLinus Torvalds	bool "R6000"
15187cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R6000
1519ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
15201da177e4SLinus Torvalds	help
15211da177e4SLinus Torvalds	  MIPS Technologies R6000 and R6000A series processors.  Note these
1522c09b47d8SChris Dearman	  processors are extremely rare and the support for them is incomplete.
15231da177e4SLinus Torvalds
15241da177e4SLinus Torvaldsconfig CPU_NEVADA
15251da177e4SLinus Torvalds	bool "RM52xx"
15267cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1527ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1528ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1529970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15301da177e4SLinus Torvalds	help
15311da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
15321da177e4SLinus Torvalds
15331da177e4SLinus Torvaldsconfig CPU_R8000
15341da177e4SLinus Torvalds	bool "R8000"
15357cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
15365e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1537ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
15381da177e4SLinus Torvalds	help
15391da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
15401da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
15411da177e4SLinus Torvalds
15421da177e4SLinus Torvaldsconfig CPU_R10000
15431da177e4SLinus Torvalds	bool "R10000"
15447cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
15455e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1546ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1547ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1548797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1549970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15501da177e4SLinus Torvalds	help
15511da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
15521da177e4SLinus Torvalds
15531da177e4SLinus Torvaldsconfig CPU_RM7000
15541da177e4SLinus Torvalds	bool "RM7000"
15557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
15565e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1557ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1558ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1559797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1560970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15611da177e4SLinus Torvalds
15621da177e4SLinus Torvaldsconfig CPU_SB1
15631da177e4SLinus Torvalds	bool "SB1"
15647cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1565ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1566ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1567797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1568970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15690004a9dfSRalf Baechle	select WEAK_ORDERING
15701da177e4SLinus Torvalds
1571a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1572a86c7f72SDavid Daney	bool "Cavium Octeon processor"
15735e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1574a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1575a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1576a86c7f72SDavid Daney	select WEAK_ORDERING
1577a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
15789cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1579df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1580df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1581930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
1582a86c7f72SDavid Daney	help
1583a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1584a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1585a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1586a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1587a86c7f72SDavid Daney
1588cd746249SJonas Gorskiconfig CPU_BMIPS
1589cd746249SJonas Gorski	bool "Broadcom BMIPS"
1590cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1591cd746249SJonas Gorski	select CPU_MIPS32
1592fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1593cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1594cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1595cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1596cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1597cd746249SJonas Gorski	select DMA_NONCOHERENT
159867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1599cd746249SJonas Gorski	select SWAP_IO_SPACE
1600cd746249SJonas Gorski	select WEAK_ORDERING
1601c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
160269aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1603c1c0c461SKevin Cernekee	help
1604fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1605c1c0c461SKevin Cernekee
16067f058e85SJayachandran Cconfig CPU_XLR
16077f058e85SJayachandran C	bool "Netlogic XLR SoC"
16087f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
16097f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
16107f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
16117f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1612970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16137f058e85SJayachandran C	select WEAK_ORDERING
16147f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
16157f058e85SJayachandran C	help
16167f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
16171c773ea4SJayachandran C
16181c773ea4SJayachandran Cconfig CPU_XLP
16191c773ea4SJayachandran C	bool "Netlogic XLP SoC"
16201c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
16211c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
16221c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
16231c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
16241c773ea4SJayachandran C	select WEAK_ORDERING
16251c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
16261c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1627d6504846SJayachandran C	select CPU_MIPSR2
1628ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
16291c773ea4SJayachandran C	help
16301c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
16311da177e4SLinus Torvaldsendchoice
16321da177e4SLinus Torvalds
1633a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1634a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1635a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
16367fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1637a6e18781SLeonid Yegoshin	help
1638a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1639a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1640a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1641a6e18781SLeonid Yegoshin
1642a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1643a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1644a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1645a6e18781SLeonid Yegoshin	select EVA
1646a6e18781SLeonid Yegoshin	default y
1647a6e18781SLeonid Yegoshin	help
1648a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1649a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1650a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1651a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1652a6e18781SLeonid Yegoshin
1653c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1654c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1655c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1656c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1657c5b36783SSteven J. Hill	help
1658c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1659c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1660c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1661c5b36783SSteven J. Hill
1662c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1663c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1664c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1665c5b36783SSteven J. Hill	depends on !EVA
1666c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1667c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1668c5b36783SSteven J. Hill	select XPA
1669c5b36783SSteven J. Hill	select HIGHMEM
1670c5b36783SSteven J. Hill	select ARCH_PHYS_ADDR_T_64BIT
1671c5b36783SSteven J. Hill	default n
1672c5b36783SSteven J. Hill	help
1673c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1674c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1675c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1676c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1677c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1678c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1679c5b36783SSteven J. Hill
1680622844bfSWu Zhangjinif CPU_LOONGSON2F
1681622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1682622844bfSWu Zhangjin	bool
1683622844bfSWu Zhangjin
1684622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1685622844bfSWu Zhangjin	bool
1686622844bfSWu Zhangjin
1687622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1688622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1689622844bfSWu Zhangjin	default y
1690622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1691622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1692622844bfSWu Zhangjin	help
1693622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1694622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1695622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1696622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1697622844bfSWu Zhangjin
1698622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1699622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1700622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1701622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1702622844bfSWu Zhangjin	  systems.
1703622844bfSWu Zhangjin
1704622844bfSWu Zhangjin	  If unsure, please say Y.
1705622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1706622844bfSWu Zhangjin
17071b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
17081b93b3c3SWu Zhangjin	bool
17091b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
17101b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
171131c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
17121b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1713fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
17144e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
17151b93b3c3SWu Zhangjin
17161b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
17171b93b3c3SWu Zhangjin	bool
17181b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
17191b93b3c3SWu Zhangjin
17203702bba5SWu Zhangjinconfig CPU_LOONGSON2
17213702bba5SWu Zhangjin	bool
17223702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
17233702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
17243702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1725970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17263702bba5SWu Zhangjin
1727ca585cf9SKelvin Cheungconfig CPU_LOONGSON1
1728ca585cf9SKelvin Cheung	bool
1729ca585cf9SKelvin Cheung	select CPU_MIPS32
1730ca585cf9SKelvin Cheung	select CPU_MIPSR2
1731ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1732ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1733ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1734f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1735ca585cf9SKelvin Cheung
1736fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
173704fa8bf7SJonas Gorski	select SMP_UP if SMP
17381bbb6c1bSKevin Cernekee	bool
1739cd746249SJonas Gorski
1740cd746249SJonas Gorskiconfig CPU_BMIPS4350
1741cd746249SJonas Gorski	bool
1742cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1743cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1744cd746249SJonas Gorski
1745cd746249SJonas Gorskiconfig CPU_BMIPS4380
1746cd746249SJonas Gorski	bool
1747bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1748cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1749cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1750cd746249SJonas Gorski
1751cd746249SJonas Gorskiconfig CPU_BMIPS5000
1752cd746249SJonas Gorski	bool
1753cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1754bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1755cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1756cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
17571bbb6c1bSKevin Cernekee
17580e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3
17590e476d91SHuacai Chen	bool
17600e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
17610e476d91SHuacai Chen
17623702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
17632a21c730SFuxin Zhang	bool
17642a21c730SFuxin Zhang
17656f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
17666f7a251aSWu Zhangjin	bool
176755045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
176855045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
176922f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
17706f7a251aSWu Zhangjin
1771ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1772ca585cf9SKelvin Cheung	bool
1773ca585cf9SKelvin Cheung
17747cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
17757cf8053bSRalf Baechle	bool
17767cf8053bSRalf Baechle
17777cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
17787cf8053bSRalf Baechle	bool
17797cf8053bSRalf Baechle
1780a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1781a6e18781SLeonid Yegoshin	bool
1782a6e18781SLeonid Yegoshin
1783c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1784c5b36783SSteven J. Hill	bool
1785c5b36783SSteven J. Hill
17867fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
17877fd08ca5SLeonid Yegoshin	bool
17887fd08ca5SLeonid Yegoshin
17897cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
17907cf8053bSRalf Baechle	bool
17917cf8053bSRalf Baechle
17927cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
17937cf8053bSRalf Baechle	bool
17947cf8053bSRalf Baechle
17957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
17967fd08ca5SLeonid Yegoshin	bool
17977fd08ca5SLeonid Yegoshin
17987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
17997cf8053bSRalf Baechle	bool
18007cf8053bSRalf Baechle
18017cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
18027cf8053bSRalf Baechle	bool
18037cf8053bSRalf Baechle
18047cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
18057cf8053bSRalf Baechle	bool
18067cf8053bSRalf Baechle
18077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
18087cf8053bSRalf Baechle	bool
18097cf8053bSRalf Baechle
18107cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
18117cf8053bSRalf Baechle	bool
18127cf8053bSRalf Baechle
18137cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
18147cf8053bSRalf Baechle	bool
18157cf8053bSRalf Baechle
18167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
18177cf8053bSRalf Baechle	bool
18187cf8053bSRalf Baechle
18197cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
18207cf8053bSRalf Baechle	bool
18217cf8053bSRalf Baechle
1822542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1823542c1020SShinya Kuribayashi	bool
1824542c1020SShinya Kuribayashi
18257cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000
18267cf8053bSRalf Baechle	bool
18277cf8053bSRalf Baechle
18287cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
18297cf8053bSRalf Baechle	bool
18307cf8053bSRalf Baechle
18317cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
18327cf8053bSRalf Baechle	bool
18337cf8053bSRalf Baechle
18347cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
18357cf8053bSRalf Baechle	bool
18367cf8053bSRalf Baechle
18377cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
18387cf8053bSRalf Baechle	bool
18397cf8053bSRalf Baechle
18407cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
18417cf8053bSRalf Baechle	bool
18427cf8053bSRalf Baechle
18435e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
18445e683389SDavid Daney	bool
18455e683389SDavid Daney
1846cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1847c1c0c461SKevin Cernekee	bool
1848c1c0c461SKevin Cernekee
1849fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1850c1c0c461SKevin Cernekee	bool
1851cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1852c1c0c461SKevin Cernekee
1853c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1854c1c0c461SKevin Cernekee	bool
1855cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1856c1c0c461SKevin Cernekee
1857c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1858c1c0c461SKevin Cernekee	bool
1859cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1860c1c0c461SKevin Cernekee
1861c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1862c1c0c461SKevin Cernekee	bool
1863cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1864c1c0c461SKevin Cernekee
18657f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
18667f058e85SJayachandran C	bool
18677f058e85SJayachandran C
18681c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
18691c773ea4SJayachandran C	bool
18701c773ea4SJayachandran C
1871b6911bbaSPaul Burtonconfig MIPS_MALTA_PM
1872b6911bbaSPaul Burton	depends on MIPS_MALTA
1873b6911bbaSPaul Burton	depends on PCI
1874b6911bbaSPaul Burton	bool
1875b6911bbaSPaul Burton	default y
1876b6911bbaSPaul Burton
187717099b11SRalf Baechle#
187817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
187917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
188017099b11SRalf Baechle#
18810004a9dfSRalf Baechleconfig WEAK_ORDERING
18820004a9dfSRalf Baechle	bool
188317099b11SRalf Baechle
188417099b11SRalf Baechle#
188517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
188617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
188717099b11SRalf Baechle#
188817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
188917099b11SRalf Baechle	bool
18905e83d430SRalf Baechleendmenu
18915e83d430SRalf Baechle
18925e83d430SRalf Baechle#
18935e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
18945e83d430SRalf Baechle#
18955e83d430SRalf Baechleconfig CPU_MIPS32
18965e83d430SRalf Baechle	bool
18977fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
18985e83d430SRalf Baechle
18995e83d430SRalf Baechleconfig CPU_MIPS64
19005e83d430SRalf Baechle	bool
19017fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
19025e83d430SRalf Baechle
19035e83d430SRalf Baechle#
1904c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2
19055e83d430SRalf Baechle#
19065e83d430SRalf Baechleconfig CPU_MIPSR1
19075e83d430SRalf Baechle	bool
19085e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
19095e83d430SRalf Baechle
19105e83d430SRalf Baechleconfig CPU_MIPSR2
19115e83d430SRalf Baechle	bool
1912a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1913a7e07b1aSMarkos Chandras	select MIPS_SPRAM
19145e83d430SRalf Baechle
19157fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
19167fd08ca5SLeonid Yegoshin	bool
19177fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1918a7e07b1aSMarkos Chandras	select MIPS_SPRAM
19195e83d430SRalf Baechle
1920a6e18781SLeonid Yegoshinconfig EVA
1921a6e18781SLeonid Yegoshin	bool
1922a6e18781SLeonid Yegoshin
1923c5b36783SSteven J. Hillconfig XPA
1924c5b36783SSteven J. Hill	bool
1925c5b36783SSteven J. Hill
19265e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
19275e83d430SRalf Baechle	bool
19285e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
19295e83d430SRalf Baechle	bool
19305e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
19315e83d430SRalf Baechle	bool
19325e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
19335e83d430SRalf Baechle	bool
193455045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
193555045ff5SWu Zhangjin	bool
193655045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
193755045ff5SWu Zhangjin	bool
19389cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
19399cffd154SDavid Daney	bool
194022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
194122f1fdfdSWu Zhangjin	bool
194282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
194382622284SDavid Daney	bool
1944d6504846SJayachandran C	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
19455e83d430SRalf Baechle
19468192c9eaSDavid Daney#
19478192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
19488192c9eaSDavid Daney#
19498192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
19508192c9eaSDavid Daney       bool
1951f839490aSDavid Daney       default y if CPU_MIPSR1 || CPU_MIPSR2
19528192c9eaSDavid Daney
19535e83d430SRalf Baechlemenu "Kernel type"
19545e83d430SRalf Baechle
19555e83d430SRalf Baechlechoice
19565e83d430SRalf Baechle	prompt "Kernel code model"
19575e83d430SRalf Baechle	help
19585e83d430SRalf Baechle	  You should only select this option if you have a workload that
19595e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
19605e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
19615e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
19625e83d430SRalf Baechle
19635e83d430SRalf Baechleconfig 32BIT
19645e83d430SRalf Baechle	bool "32-bit kernel"
19655e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
19665e83d430SRalf Baechle	select TRAD_SIGNALS
19675e83d430SRalf Baechle	help
19685e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
19695e83d430SRalf Baechleconfig 64BIT
19705e83d430SRalf Baechle	bool "64-bit kernel"
19715e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
19725e83d430SRalf Baechle	help
19735e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
19745e83d430SRalf Baechle
19755e83d430SRalf Baechleendchoice
19765e83d430SRalf Baechle
19772235a54dSSanjay Lalconfig KVM_GUEST
19782235a54dSSanjay Lal	bool "KVM Guest Kernel"
1979f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
19802235a54dSSanjay Lal	help
19812235a54dSSanjay Lal	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
19822235a54dSSanjay Lal
1983eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
1984eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
19852235a54dSSanjay Lal	depends on KVM_GUEST
1986eda3d33cSJames Hogan	default 100
19872235a54dSSanjay Lal	help
1988eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
1989eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
1990eda3d33cSJames Hogan	  timer frequency is specified directly.
19912235a54dSSanjay Lal
19921da177e4SLinus Torvaldschoice
19931da177e4SLinus Torvalds	prompt "Kernel page size"
19941da177e4SLinus Torvalds	default PAGE_SIZE_4KB
19951da177e4SLinus Torvalds
19961da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
19971da177e4SLinus Torvalds	bool "4kB"
19980e476d91SHuacai Chen	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
19991da177e4SLinus Torvalds	help
20001da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
20011da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
20021da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
20031da177e4SLinus Torvalds	 recommended for low memory systems.
20041da177e4SLinus Torvalds
20051da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
20061da177e4SLinus Torvalds	bool "8kB"
20077d60717eSKees Cook	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
20081da177e4SLinus Torvalds	help
20091da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
20101da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2011c52399beSRalf Baechle	  only on R8000 and cnMIPS processors.  Note that you will need a
2012c52399beSRalf Baechle	  suitable Linux distribution to support this.
20131da177e4SLinus Torvalds
20141da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
20151da177e4SLinus Torvalds	bool "16kB"
2016714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
20171da177e4SLinus Torvalds	help
20181da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
20191da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2020714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2021714bfad6SRalf Baechle	  Linux distribution to support this.
20221da177e4SLinus Torvalds
2023c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2024c52399beSRalf Baechle	bool "32kB"
2025c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
2026c52399beSRalf Baechle	help
2027c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2028c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2029c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2030c52399beSRalf Baechle	  distribution to support this.
2031c52399beSRalf Baechle
20321da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
20331da177e4SLinus Torvalds	bool "64kB"
20347d60717eSKees Cook	depends on !CPU_R3000 && !CPU_TX39XX
20351da177e4SLinus Torvalds	help
20361da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
20371da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
20381da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2039714bfad6SRalf Baechle	  writing this option is still high experimental.
20401da177e4SLinus Torvalds
20411da177e4SLinus Torvaldsendchoice
20421da177e4SLinus Torvalds
2043c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2044c9bace7cSDavid Daney	int "Maximum zone order"
2045e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2046e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2047e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2048e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2049e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2050e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2051c9bace7cSDavid Daney	range 11 64
2052c9bace7cSDavid Daney	default "11"
2053c9bace7cSDavid Daney	help
2054c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2055c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2056c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2057c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2058c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2059c9bace7cSDavid Daney	  increase this value.
2060c9bace7cSDavid Daney
2061c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2062c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2063c9bace7cSDavid Daney
2064c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2065c9bace7cSDavid Daney	  when choosing a value for this option.
2066c9bace7cSDavid Daney
20671da177e4SLinus Torvaldsconfig BOARD_SCACHE
20681da177e4SLinus Torvalds	bool
20691da177e4SLinus Torvalds
20701da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
20711da177e4SLinus Torvalds	bool
20721da177e4SLinus Torvalds	select BOARD_SCACHE
20731da177e4SLinus Torvalds
20749318c51aSChris Dearman#
20759318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
20769318c51aSChris Dearman#
20779318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
20789318c51aSChris Dearman	bool
20799318c51aSChris Dearman	select BOARD_SCACHE
20809318c51aSChris Dearman
20811da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
20821da177e4SLinus Torvalds	bool
20831da177e4SLinus Torvalds	select BOARD_SCACHE
20841da177e4SLinus Torvalds
20851da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
20861da177e4SLinus Torvalds	bool
20871da177e4SLinus Torvalds	select BOARD_SCACHE
20881da177e4SLinus Torvalds
20891da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
20901da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
20911da177e4SLinus Torvalds	depends on CPU_SB1
20921da177e4SLinus Torvalds	help
20931da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
20941da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
20951da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
20961da177e4SLinus Torvalds
20971da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2098c8094b53SRalf Baechle	bool
20991da177e4SLinus Torvalds
21003165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
21013165c846SFlorian Fainelli	bool
21023165c846SFlorian Fainelli	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
21033165c846SFlorian Fainelli
210491405eb6SFlorian Fainelliconfig CPU_R4K_FPU
210591405eb6SFlorian Fainelli	bool
210691405eb6SFlorian Fainelli	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
210791405eb6SFlorian Fainelli
210862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
210962cedc4fSFlorian Fainelli	bool
211062cedc4fSFlorian Fainelli	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
211162cedc4fSFlorian Fainelli
211259d6ab86SRalf Baechleconfig MIPS_MT_SMP
2113a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
211459d6ab86SRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
211559d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2116d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2117c080faa5SSteven J. Hill	select SYNC_R4K
21180c2cb004SPaul Burton	select MIPS_GIC_IPI
211959d6ab86SRalf Baechle	select MIPS_MT
212059d6ab86SRalf Baechle	select SMP
212187353d8aSRalf Baechle	select SMP_UP
2122c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2123c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2124399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
212559d6ab86SRalf Baechle	help
2126c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2127c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2128c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2129c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2130c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
213159d6ab86SRalf Baechle
2132f41ae0b2SRalf Baechleconfig MIPS_MT
2133f41ae0b2SRalf Baechle	bool
2134f41ae0b2SRalf Baechle
21350ab7aefcSRalf Baechleconfig SCHED_SMT
21360ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
21370ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
21380ab7aefcSRalf Baechle	default n
21390ab7aefcSRalf Baechle	help
21400ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
21410ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
21420ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
21430ab7aefcSRalf Baechle
21440ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
21450ab7aefcSRalf Baechle	bool
21460ab7aefcSRalf Baechle
2147f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2148f41ae0b2SRalf Baechle	bool
2149f41ae0b2SRalf Baechle
2150f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2151f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2152f088fc84SRalf Baechle	default y
2153b633648cSRalf Baechle	depends on MIPS_MT_SMP
215407cc0c9eSRalf Baechle
2155b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2156b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
2157b0a668fbSLeonid Yegoshin	depends on CPU_MIPSR6 && !SMP
2158b0a668fbSLeonid Yegoshin	default y
2159b0a668fbSLeonid Yegoshin	help
2160b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2161b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
216207edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2163b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2164b0a668fbSLeonid Yegoshin	  final kernel image.
2165b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels"
2166b0a668fbSLeonid Yegoshin	depends on SMP && CPU_MIPSR6
2167b0a668fbSLeonid Yegoshin
216807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
216907cc0c9eSRalf Baechle	bool "VPE loader support."
2170704e6460SMarkos Chandras	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
217107cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
217207cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
217307cc0c9eSRalf Baechle	select MIPS_MT
217407cc0c9eSRalf Baechle	help
217507cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
217607cc0c9eSRalf Baechle	  onto another VPE and running it.
2177f088fc84SRalf Baechle
217817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
217917a1d523SDeng-Cheng Zhu	bool
218017a1d523SDeng-Cheng Zhu	default "y"
218117a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
218217a1d523SDeng-Cheng Zhu
21831a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
21841a2a6d7eSDeng-Cheng Zhu	bool
21851a2a6d7eSDeng-Cheng Zhu	default "y"
21861a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
21871a2a6d7eSDeng-Cheng Zhu
2188e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2189e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2190e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2191e01402b1SRalf Baechle	default y
2192e01402b1SRalf Baechle	help
2193e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2194e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2195e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2196e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2197e01402b1SRalf Baechle
2198e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2199e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2200e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
22015e83d430SRalf Baechle	help
2202e01402b1SRalf Baechle
2203da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2204da615cf6SDeng-Cheng Zhu	bool
2205da615cf6SDeng-Cheng Zhu	default "y"
2206da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2207da615cf6SDeng-Cheng Zhu
22082c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
22092c973ef0SDeng-Cheng Zhu	bool
22102c973ef0SDeng-Cheng Zhu	default "y"
22112c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
22122c973ef0SDeng-Cheng Zhu
22134a16ff4cSRalf Baechleconfig MIPS_CMP
22145cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
2215b633648cSRalf Baechle	depends on SYS_SUPPORTS_MIPS_CMP
221672e20142SPaul Burton	select MIPS_GIC_IPI
2217b10b43baSMarkos Chandras	select SMP
2218eb9b5141STim Anderson	select SYNC_R4K
2219b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
22204a16ff4cSRalf Baechle	select WEAK_ORDERING
22214a16ff4cSRalf Baechle	default n
22224a16ff4cSRalf Baechle	help
2223044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2224044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2225044505c7SPaul Burton	  its ability to start secondary CPUs.
22264a16ff4cSRalf Baechle
22275cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
22285cac93b3SPaul Burton	  instead of this.
22295cac93b3SPaul Burton
22300ee958e1SPaul Burtonconfig MIPS_CPS
22310ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
22326ca716f2SMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CPS && !64BIT
22330ee958e1SPaul Burton	select MIPS_CM
22340ee958e1SPaul Burton	select MIPS_CPC
22351d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
22360ee958e1SPaul Burton	select MIPS_GIC_IPI
22370ee958e1SPaul Burton	select SMP
22380ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
22391d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
22400ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
22410ee958e1SPaul Burton	select WEAK_ORDERING
22420ee958e1SPaul Burton	help
22430ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
22440ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
22450ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
22460ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
22470ee958e1SPaul Burton	  support is unavailable.
22480ee958e1SPaul Burton
22493179d37eSPaul Burtonconfig MIPS_CPS_PM
225039a59593SMarkos Chandras	depends on MIPS_CPS
2251a8b84677SPaul Burton	select MIPS_CPC
22523179d37eSPaul Burton	bool
22533179d37eSPaul Burton
225472e20142SPaul Burtonconfig MIPS_GIC_IPI
225572e20142SPaul Burton	bool
225672e20142SPaul Burton
22579f98f3ddSPaul Burtonconfig MIPS_CM
22589f98f3ddSPaul Burton	bool
22599f98f3ddSPaul Burton
22609c38cf44SPaul Burtonconfig MIPS_CPC
22619c38cf44SPaul Burton	bool
22622600990eSRalf Baechle
22631da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS
22641da177e4SLinus Torvalds	bool
22651da177e4SLinus Torvalds	depends on CPU_SB1_PASS_1
22661da177e4SLinus Torvalds	default y
22671da177e4SLinus Torvalds
22681da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
22691da177e4SLinus Torvalds	bool
22701da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
22711da177e4SLinus Torvalds	default y
22721da177e4SLinus Torvalds
22731da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
22741da177e4SLinus Torvalds	bool
22751da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
22761da177e4SLinus Torvalds	default y
22771da177e4SLinus Torvalds
22782235a54dSSanjay Lal
227960ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT
228034adb28dSRalf Baechle       bool
228160ec6571Spascal@pabr.org
22829e2b5372SMarkos Chandraschoice
22839e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
22849e2b5372SMarkos Chandras
22859e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
22869e2b5372SMarkos Chandras	bool "None"
22879e2b5372SMarkos Chandras	help
22889e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
22899e2b5372SMarkos Chandras
22909693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
22919693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
22929e2b5372SMarkos Chandras	bool "SmartMIPS"
22939693a853SFranck Bui-Huu	help
22949693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
22959693a853SFranck Bui-Huu	  increased security at both hardware and software level for
22969693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
22979693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
22989693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
22999693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
23009693a853SFranck Bui-Huu	  here.
23019693a853SFranck Bui-Huu
2302bce86083SSteven J. Hillconfig CPU_MICROMIPS
23037fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
23049e2b5372SMarkos Chandras	bool "microMIPS"
2305bce86083SSteven J. Hill	help
2306bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2307bce86083SSteven J. Hill	  microMIPS ISA
2308bce86083SSteven J. Hill
23099e2b5372SMarkos Chandrasendchoice
23109e2b5372SMarkos Chandras
2311a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
23124af94d5dSPaul Burton	bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
2313a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
23142a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2315a5e9a69eSPaul Burton	help
2316a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2317a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
23181db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
23191db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
23201db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
23211db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
23221db1af84SPaul Burton	  the size & complexity of your kernel.
2323a5e9a69eSPaul Burton
2324a5e9a69eSPaul Burton	  If unsure, say Y.
2325a5e9a69eSPaul Burton
23261da177e4SLinus Torvaldsconfig CPU_HAS_WB
2327f7062ddbSRalf Baechle	bool
2328e01402b1SRalf Baechle
2329df0ac8a4SKevin Cernekeeconfig XKS01
2330df0ac8a4SKevin Cernekee	bool
2331df0ac8a4SKevin Cernekee
2332f41ae0b2SRalf Baechle#
2333f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2334f41ae0b2SRalf Baechle#
2335e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2336f41ae0b2SRalf Baechle	bool
2337e01402b1SRalf Baechle
2338f41ae0b2SRalf Baechle#
2339f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2340f41ae0b2SRalf Baechle#
2341e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2342f41ae0b2SRalf Baechle	bool
2343e01402b1SRalf Baechle
23441da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
23451da177e4SLinus Torvalds	bool
23461da177e4SLinus Torvalds	depends on !CPU_R3000
23471da177e4SLinus Torvalds	default y
23481da177e4SLinus Torvalds
23491da177e4SLinus Torvalds#
235020d60d99SMaciej W. Rozycki# CPU non-features
235120d60d99SMaciej W. Rozycki#
235220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
235320d60d99SMaciej W. Rozycki	bool
235420d60d99SMaciej W. Rozycki
235520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
235620d60d99SMaciej W. Rozycki	bool
235720d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
235820d60d99SMaciej W. Rozycki
235920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
236020d60d99SMaciej W. Rozycki	bool
236120d60d99SMaciej W. Rozycki
236220d60d99SMaciej W. Rozycki#
23631da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
23641da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
23651da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
23661da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
23671da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
23681da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
23691da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
23701da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2371797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2372797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2373797798c1SRalf Baechle#   support.
23741da177e4SLinus Torvalds#
23751da177e4SLinus Torvaldsconfig HIGHMEM
23761da177e4SLinus Torvalds	bool "High Memory Support"
2377a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2378797798c1SRalf Baechle
2379797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2380797798c1SRalf Baechle	bool
2381797798c1SRalf Baechle
2382797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2383797798c1SRalf Baechle	bool
23841da177e4SLinus Torvalds
23859693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
23869693a853SFranck Bui-Huu	bool
23879693a853SFranck Bui-Huu
2388a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2389a6a4834cSSteven J. Hill	bool
2390a6a4834cSSteven J. Hill
2391377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2392377cb1b6SRalf Baechle	bool
2393377cb1b6SRalf Baechle	help
2394377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2395377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2396377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2397377cb1b6SRalf Baechle
2398a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2399a5e9a69eSPaul Burton	bool
2400a5e9a69eSPaul Burton
2401b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2402b4819b59SYoichi Yuasa	def_bool y
2403f133f22dSWu Zhangjin	depends on !NUMA && !CPU_LOONGSON2
2404b4819b59SYoichi Yuasa
2405d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
2406d8cb4e11SRalf Baechle	bool
2407d8cb4e11SRalf Baechle	default y if SGI_IP27
2408d8cb4e11SRalf Baechle	help
24093dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
2410d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
2411d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
2412d8cb4e11SRalf Baechle	  See <file:Documentation/vm/numa> for more.
2413d8cb4e11SRalf Baechle
2414b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2415b1c6cd42SAtsushi Nemoto	bool
24167de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
241731473747SAtsushi Nemoto
2418d8cb4e11SRalf Baechleconfig NUMA
2419d8cb4e11SRalf Baechle	bool "NUMA Support"
2420d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2421d8cb4e11SRalf Baechle	help
2422d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2423d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2424d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2425d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2426d8cb4e11SRalf Baechle	  disabled.
2427d8cb4e11SRalf Baechle
2428d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2429d8cb4e11SRalf Baechle	bool
2430d8cb4e11SRalf Baechle
2431c80d79d7SYasunori Gotoconfig NODES_SHIFT
2432c80d79d7SYasunori Goto	int
2433c80d79d7SYasunori Goto	default "6"
2434c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2435c80d79d7SYasunori Goto
243614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
243714f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2438f14ceff7SHuacai Chen	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
243914f70012SDeng-Cheng Zhu	default y
244014f70012SDeng-Cheng Zhu	help
244114f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
244214f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
244314f70012SDeng-Cheng Zhu
2444b4819b59SYoichi Yuasasource "mm/Kconfig"
2445b4819b59SYoichi Yuasa
24461da177e4SLinus Torvaldsconfig SMP
24471da177e4SLinus Torvalds	bool "Multi-Processing support"
2448e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2449e73ea273SRalf Baechle	help
24501da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
24514a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
24524a474157SRobert Graffham	  than one CPU, say Y.
24531da177e4SLinus Torvalds
24544a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
24551da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
24561da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
24574a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
24581da177e4SLinus Torvalds	  will run faster if you say N here.
24591da177e4SLinus Torvalds
24601da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
24611da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
24621da177e4SLinus Torvalds
246303502faaSAdrian Bunk	  See also the SMP-HOWTO available at
246403502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
24651da177e4SLinus Torvalds
24661da177e4SLinus Torvalds	  If you don't know what to do here, say N.
24671da177e4SLinus Torvalds
246887353d8aSRalf Baechleconfig SMP_UP
246987353d8aSRalf Baechle	bool
247087353d8aSRalf Baechle
24714a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
24724a16ff4cSRalf Baechle	bool
24734a16ff4cSRalf Baechle
24740ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
24750ee958e1SPaul Burton	bool
24760ee958e1SPaul Burton
2477e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2478e73ea273SRalf Baechle	bool
2479e73ea273SRalf Baechle
2480130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2481130e2fb7SRalf Baechle	bool
2482130e2fb7SRalf Baechle
2483130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2484130e2fb7SRalf Baechle	bool
2485130e2fb7SRalf Baechle
2486130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2487130e2fb7SRalf Baechle	bool
2488130e2fb7SRalf Baechle
2489130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2490130e2fb7SRalf Baechle	bool
2491130e2fb7SRalf Baechle
2492130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2493130e2fb7SRalf Baechle	bool
2494130e2fb7SRalf Baechle
24951da177e4SLinus Torvaldsconfig NR_CPUS
2496a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2497a91796a9SJayachandran C	range 2 256
24981da177e4SLinus Torvalds	depends on SMP
2499130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2500130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2501130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2502130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2503130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
25041da177e4SLinus Torvalds	help
25051da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
25061da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
25071da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
250872ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
250972ede9b1SAtsushi Nemoto	  and 2 for all others.
25101da177e4SLinus Torvalds
25111da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
251272ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
251372ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
251472ede9b1SAtsushi Nemoto	  power of two.
25151da177e4SLinus Torvalds
2516399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2517399aaa25SAl Cooper	bool
2518399aaa25SAl Cooper
25191723b4a3SAtsushi Nemoto#
25201723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
25211723b4a3SAtsushi Nemoto#
25221723b4a3SAtsushi Nemoto
25231723b4a3SAtsushi Nemotochoice
25241723b4a3SAtsushi Nemoto	prompt "Timer frequency"
25251723b4a3SAtsushi Nemoto	default HZ_250
25261723b4a3SAtsushi Nemoto	help
25271723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
25281723b4a3SAtsushi Nemoto
25291723b4a3SAtsushi Nemoto	config HZ_48
25300f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
25311723b4a3SAtsushi Nemoto
25321723b4a3SAtsushi Nemoto	config HZ_100
25331723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
25341723b4a3SAtsushi Nemoto
25351723b4a3SAtsushi Nemoto	config HZ_128
25361723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
25371723b4a3SAtsushi Nemoto
25381723b4a3SAtsushi Nemoto	config HZ_250
25391723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
25401723b4a3SAtsushi Nemoto
25411723b4a3SAtsushi Nemoto	config HZ_256
25421723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
25431723b4a3SAtsushi Nemoto
25441723b4a3SAtsushi Nemoto	config HZ_1000
25451723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
25461723b4a3SAtsushi Nemoto
25471723b4a3SAtsushi Nemoto	config HZ_1024
25481723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
25491723b4a3SAtsushi Nemoto
25501723b4a3SAtsushi Nemotoendchoice
25511723b4a3SAtsushi Nemoto
25521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
25531723b4a3SAtsushi Nemoto	bool
25541723b4a3SAtsushi Nemoto
25551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
25561723b4a3SAtsushi Nemoto	bool
25571723b4a3SAtsushi Nemoto
25581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
25591723b4a3SAtsushi Nemoto	bool
25601723b4a3SAtsushi Nemoto
25611723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
25621723b4a3SAtsushi Nemoto	bool
25631723b4a3SAtsushi Nemoto
25641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
25651723b4a3SAtsushi Nemoto	bool
25661723b4a3SAtsushi Nemoto
25671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
25681723b4a3SAtsushi Nemoto	bool
25691723b4a3SAtsushi Nemoto
25701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
25711723b4a3SAtsushi Nemoto	bool
25721723b4a3SAtsushi Nemoto
25731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
25741723b4a3SAtsushi Nemoto	bool
25751723b4a3SAtsushi Nemoto	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
25761723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
25771723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
25781723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
25791723b4a3SAtsushi Nemoto
25801723b4a3SAtsushi Nemotoconfig HZ
25811723b4a3SAtsushi Nemoto	int
25821723b4a3SAtsushi Nemoto	default 48 if HZ_48
25831723b4a3SAtsushi Nemoto	default 100 if HZ_100
25841723b4a3SAtsushi Nemoto	default 128 if HZ_128
25851723b4a3SAtsushi Nemoto	default 250 if HZ_250
25861723b4a3SAtsushi Nemoto	default 256 if HZ_256
25871723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
25881723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
25891723b4a3SAtsushi Nemoto
259096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
259196685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
259296685b17SDeng-Cheng Zhu
2593e80de850SRalf Baechlesource "kernel/Kconfig.preempt"
25941da177e4SLinus Torvalds
2595ea6e942bSAtsushi Nemotoconfig KEXEC
25967d60717eSKees Cook	bool "Kexec system call"
2597ea6e942bSAtsushi Nemoto	help
2598ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2599ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
26003dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2601ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2602ea6e942bSAtsushi Nemoto
260301dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2604ea6e942bSAtsushi Nemoto
2605ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2606ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2607bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2608bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2609bf220695SGeert Uytterhoeven	  made.
2610ea6e942bSAtsushi Nemoto
26117aa1c8f4SRalf Baechleconfig CRASH_DUMP
26127aa1c8f4SRalf Baechle	  bool "Kernel crash dumps"
26137aa1c8f4SRalf Baechle	  help
26147aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
26157aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
26167aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
26177aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
26187aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
26197aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
26207aa1c8f4SRalf Baechle	  PHYSICAL_START.
26217aa1c8f4SRalf Baechle
26227aa1c8f4SRalf Baechleconfig PHYSICAL_START
26237aa1c8f4SRalf Baechle	  hex "Physical address where the kernel is loaded"
26247aa1c8f4SRalf Baechle	  default "0xffffffff84000000" if 64BIT
26257aa1c8f4SRalf Baechle	  default "0x84000000" if 32BIT
26267aa1c8f4SRalf Baechle	  depends on CRASH_DUMP
26277aa1c8f4SRalf Baechle	  help
26287aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
26297aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
26307aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
26317aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
26327aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
26337aa1c8f4SRalf Baechle
2634ea6e942bSAtsushi Nemotoconfig SECCOMP
2635ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2636293c5bd1SRalf Baechle	depends on PROC_FS
2637ea6e942bSAtsushi Nemoto	default y
2638ea6e942bSAtsushi Nemoto	help
2639ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2640ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2641ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2642ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2643ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2644ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2645ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2646ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2647ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2648ea6e942bSAtsushi Nemoto
2649ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2650ea6e942bSAtsushi Nemoto
2651597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
265206e2e882SPaul Burton	bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2653597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2654597ce172SPaul Burton	help
2655597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2656597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2657597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2658597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2659597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2660597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2661597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2662597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2663597ce172SPaul Burton	  saying N here.
2664597ce172SPaul Burton
266506e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
266606e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
266706e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
266806e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
266906e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
267006e2e882SPaul Burton	  said details.
267106e2e882SPaul Burton
267206e2e882SPaul Burton	  If unsure, say N.
2673597ce172SPaul Burton
2674f2ffa5abSDezhong Diaoconfig USE_OF
26750b3e06fdSJonas Gorski	bool
2676f2ffa5abSDezhong Diao	select OF
2677e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2678abd2363fSGrant Likely	select IRQ_DOMAIN
2679f2ffa5abSDezhong Diao
26807fafb068SAndrew Brestickerconfig BUILTIN_DTB
26817fafb068SAndrew Bresticker	bool
26827fafb068SAndrew Bresticker
26831da8f179SJonas Gorskichoice
26841da8f179SJonas Gorski	prompt "Kernel appended dtb support" if OF
26851da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
26861da8f179SJonas Gorski
26871da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
26881da8f179SJonas Gorski		bool "None"
26891da8f179SJonas Gorski		help
26901da8f179SJonas Gorski		  Do not enable appended dtb support.
26911da8f179SJonas Gorski
26921da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
26931da8f179SJonas Gorski		bool "vmlinux.bin"
26941da8f179SJonas Gorski		help
26951da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
26961da8f179SJonas Gorski		  DTB) appended to raw vmlinux.bin (without decompressor).
26971da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
26981da8f179SJonas Gorski
26991da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
27001da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
27011da8f179SJonas Gorski		  the documented boot protocol using a device tree.
27021da8f179SJonas Gorski
27031da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
27041da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
27051da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
27061da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
27071da8f179SJonas Gorski		  if you don't intend to always append a DTB.
2708c0b4e101SJonas Gorski
2709c0b4e101SJonas Gorski	config MIPS_ZBOOT_APPENDED_DTB
2710c0b4e101SJonas Gorski		bool "vmlinuz.bin"
2711c0b4e101SJonas Gorski		depends on SYS_SUPPORTS_ZBOOT
2712c0b4e101SJonas Gorski		help
2713c0b4e101SJonas Gorski		  With this option, the boot code will look for a device tree binary
2714c0b4e101SJonas Gorski		  DTB) appended to raw vmlinuz.bin (with decompressor).
2715c0b4e101SJonas Gorski		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2716c0b4e101SJonas Gorski
2717c0b4e101SJonas Gorski		  This is meant as a backward compatibility convenience for those
2718c0b4e101SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
2719c0b4e101SJonas Gorski		  the documented boot protocol using a device tree.
2720c0b4e101SJonas Gorski
2721c0b4e101SJonas Gorski		  Beware that there is very little in terms of protection against
2722c0b4e101SJonas Gorski		  this option being confused by leftover garbage in memory that might
2723c0b4e101SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
2724c0b4e101SJonas Gorski		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2725c0b4e101SJonas Gorski		  if you don't intend to always append a DTB.
27261da8f179SJonas Gorskiendchoice
27271da8f179SJonas Gorski
27285e83d430SRalf Baechleendmenu
27295e83d430SRalf Baechle
27301df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
27311df0f0ffSAtsushi Nemoto	bool
27321df0f0ffSAtsushi Nemoto	default y
27331df0f0ffSAtsushi Nemoto
27341df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
27351df0f0ffSAtsushi Nemoto	bool
27361df0f0ffSAtsushi Nemoto	default y
27371df0f0ffSAtsushi Nemoto
2738a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
2739a728ab52SKirill A. Shutemov	int
2740a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
2741a728ab52SKirill A. Shutemov	default 2
2742a728ab52SKirill A. Shutemov
2743b6c3539bSRalf Baechlesource "init/Kconfig"
2744b6c3539bSRalf Baechle
2745dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer"
2746dc52ddc0SMatt Helsley
27471da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
27481da177e4SLinus Torvalds
27495e83d430SRalf Baechleconfig HW_HAS_EISA
27505e83d430SRalf Baechle	bool
27511da177e4SLinus Torvaldsconfig HW_HAS_PCI
27521da177e4SLinus Torvalds	bool
27531da177e4SLinus Torvalds
27541da177e4SLinus Torvaldsconfig PCI
27551da177e4SLinus Torvalds	bool "Support for PCI controller"
27561da177e4SLinus Torvalds	depends on HW_HAS_PCI
2757abb4ae46SRalf Baechle	select PCI_DOMAINS
27580f3b3956SMichael S. Tsirkin	select NO_GENERIC_PCI_IOPORT_MAP
27591da177e4SLinus Torvalds	help
27601da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
27611da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
27621da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
27631da177e4SLinus Torvalds	  say Y, otherwise N.
27641da177e4SLinus Torvalds
27650e476d91SHuacai Chenconfig HT_PCI
27660e476d91SHuacai Chen	bool "Support for HT-linked PCI"
27670e476d91SHuacai Chen	default y
27680e476d91SHuacai Chen	depends on CPU_LOONGSON3
27690e476d91SHuacai Chen	select PCI
27700e476d91SHuacai Chen	select PCI_DOMAINS
27710e476d91SHuacai Chen	help
27720e476d91SHuacai Chen	  Loongson family machines use Hyper-Transport bus for inter-core
27730e476d91SHuacai Chen	  connection and device connection. The PCI bus is a subordinate
27740e476d91SHuacai Chen	  linked at HT. Choose Y for Loongson-3 based machines.
27750e476d91SHuacai Chen
27761da177e4SLinus Torvaldsconfig PCI_DOMAINS
27771da177e4SLinus Torvalds	bool
27781da177e4SLinus Torvalds
27791da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
27801da177e4SLinus Torvalds
27813f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig"
27823f787ca4SJonas Gorski
27831da177e4SLinus Torvalds#
27841da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
27851da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
27861da177e4SLinus Torvalds# users to choose the right thing ...
27871da177e4SLinus Torvalds#
27881da177e4SLinus Torvaldsconfig ISA
27891da177e4SLinus Torvalds	bool
27901da177e4SLinus Torvalds
27911da177e4SLinus Torvaldsconfig EISA
27921da177e4SLinus Torvalds	bool "EISA support"
27935e83d430SRalf Baechle	depends on HW_HAS_EISA
27941da177e4SLinus Torvalds	select ISA
2795aa414dffSRalf Baechle	select GENERIC_ISA_DMA
27961da177e4SLinus Torvalds	---help---
27971da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
27981da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
27991da177e4SLinus Torvalds
28001da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
28011da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
28021da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
28031da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
28041da177e4SLinus Torvalds
28051da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
28061da177e4SLinus Torvalds
28071da177e4SLinus Torvalds	  Otherwise, say N.
28081da177e4SLinus Torvalds
28091da177e4SLinus Torvaldssource "drivers/eisa/Kconfig"
28101da177e4SLinus Torvalds
28111da177e4SLinus Torvaldsconfig TC
28121da177e4SLinus Torvalds	bool "TURBOchannel support"
28131da177e4SLinus Torvalds	depends on MACH_DECSTATION
28141da177e4SLinus Torvalds	help
281550a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
281650a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
281750a23e6eSJustin P. Mattock	  at:
281850a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
281950a23e6eSJustin P. Mattock	  and:
282050a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
282150a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
282250a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
28231da177e4SLinus Torvalds
28241da177e4SLinus Torvaldsconfig MMU
28251da177e4SLinus Torvalds	bool
28261da177e4SLinus Torvalds	default y
28271da177e4SLinus Torvalds
2828d865bea4SRalf Baechleconfig I8253
2829d865bea4SRalf Baechle	bool
2830798778b8SRussell King	select CLKSRC_I8253
28312d02612fSThomas Gleixner	select CLKEVT_I8253
28329726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
2833d865bea4SRalf Baechle
2834e05eb3f8SRalf Baechleconfig ZONE_DMA
2835e05eb3f8SRalf Baechle	bool
2836e05eb3f8SRalf Baechle
2837cce335aeSRalf Baechleconfig ZONE_DMA32
2838cce335aeSRalf Baechle	bool
2839cce335aeSRalf Baechle
28401da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
28411da177e4SLinus Torvalds
28421da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig"
28431da177e4SLinus Torvalds
2844388b78adSAlexandre Bounineconfig RAPIDIO
284556abde72SAlexandre Bounine	tristate "RapidIO support"
2846388b78adSAlexandre Bounine	depends on PCI
2847388b78adSAlexandre Bounine	default n
2848388b78adSAlexandre Bounine	help
2849388b78adSAlexandre Bounine	  If you say Y here, the kernel will include drivers and
2850388b78adSAlexandre Bounine	  infrastructure code to support RapidIO interconnect devices.
2851388b78adSAlexandre Bounine
2852388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig"
2853388b78adSAlexandre Bounine
28541da177e4SLinus Torvaldsendmenu
28551da177e4SLinus Torvalds
28561da177e4SLinus Torvaldsmenu "Executable file formats"
28571da177e4SLinus Torvalds
28581da177e4SLinus Torvaldssource "fs/Kconfig.binfmt"
28591da177e4SLinus Torvalds
28601da177e4SLinus Torvaldsconfig TRAD_SIGNALS
28611da177e4SLinus Torvalds	bool
28621da177e4SLinus Torvalds
28631da177e4SLinus Torvaldsconfig MIPS32_COMPAT
286478aaf956SRalf Baechle	bool
28651da177e4SLinus Torvalds
28661da177e4SLinus Torvaldsconfig COMPAT
28671da177e4SLinus Torvalds	bool
28681da177e4SLinus Torvalds
286905e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
287005e43966SAtsushi Nemoto	bool
287105e43966SAtsushi Nemoto
28721da177e4SLinus Torvaldsconfig MIPS32_O32
28731da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
287478aaf956SRalf Baechle	depends on 64BIT
287578aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
287678aaf956SRalf Baechle	select COMPAT
287778aaf956SRalf Baechle	select MIPS32_COMPAT
287878aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
28791da177e4SLinus Torvalds	help
28801da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
28811da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
28821da177e4SLinus Torvalds	  existing binaries are in this format.
28831da177e4SLinus Torvalds
28841da177e4SLinus Torvalds	  If unsure, say Y.
28851da177e4SLinus Torvalds
28861da177e4SLinus Torvaldsconfig MIPS32_N32
28871da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
2888c22eacfeSRalf Baechle	depends on 64BIT
288978aaf956SRalf Baechle	select COMPAT
289078aaf956SRalf Baechle	select MIPS32_COMPAT
289178aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
28921da177e4SLinus Torvalds	help
28931da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
28941da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
28951da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
28961da177e4SLinus Torvalds	  cases.
28971da177e4SLinus Torvalds
28981da177e4SLinus Torvalds	  If unsure, say N.
28991da177e4SLinus Torvalds
29001da177e4SLinus Torvaldsconfig BINFMT_ELF32
29011da177e4SLinus Torvalds	bool
29021da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
29031da177e4SLinus Torvalds
29042116245eSRalf Baechleendmenu
29051da177e4SLinus Torvalds
29062116245eSRalf Baechlemenu "Power management options"
2907952fa954SRodolfo Giometti
2908363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
2909363c55caSWu Zhangjin	def_bool y
29103f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2911363c55caSWu Zhangjin
2912f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
2913f4cb5700SJohannes Berg	def_bool y
29143f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2915f4cb5700SJohannes Berg
29162116245eSRalf Baechlesource "kernel/power/Kconfig"
2917952fa954SRodolfo Giometti
29181da177e4SLinus Torvaldsendmenu
29191da177e4SLinus Torvalds
29207a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
29217a998935SViresh Kumar	bool
29227a998935SViresh Kumar
29237a998935SViresh Kumarmenu "CPU Power Management"
2924c095ebafSPaul Burton
2925c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
29267a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
29277a998935SViresh Kumarendif
29289726b43aSWu Zhangjin
2929c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
2930c095ebafSPaul Burton
2931c095ebafSPaul Burtonendmenu
2932c095ebafSPaul Burton
2933d5950b43SSam Ravnborgsource "net/Kconfig"
2934d5950b43SSam Ravnborg
29351da177e4SLinus Torvaldssource "drivers/Kconfig"
29361da177e4SLinus Torvalds
293798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
293898cdee0eSRalf Baechle
29391da177e4SLinus Torvaldssource "fs/Kconfig"
29401da177e4SLinus Torvalds
29411da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug"
29421da177e4SLinus Torvalds
29431da177e4SLinus Torvaldssource "security/Kconfig"
29441da177e4SLinus Torvalds
29451da177e4SLinus Torvaldssource "crypto/Kconfig"
29461da177e4SLinus Torvalds
29471da177e4SLinus Torvaldssource "lib/Kconfig"
29482235a54dSSanjay Lal
29492235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
2950