xref: /linux/arch/mips/Kconfig (revision 7bcf7717b6a047c272410d0cd00213185fe6b99d)
11da177e4SLinus Torvaldsconfig MIPS
21da177e4SLinus Torvalds	bool
31da177e4SLinus Torvalds	default y
41da177e4SLinus Torvalds	# Horrible source of confusion.  Die, die, die ...
51da177e4SLinus Torvalds	select EMBEDDED
690b02340SRalf Baechle	select RTC_LIB
71da177e4SLinus Torvalds
81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration"
91da177e4SLinus Torvalds
101da177e4SLinus Torvaldsmenu "Machine selection"
111da177e4SLinus Torvalds
125ac6da66SChristoph Lameterconfig ZONE_DMA
135ac6da66SChristoph Lameter	bool
145ac6da66SChristoph Lameter
155e83d430SRalf Baechlechoice
165e83d430SRalf Baechle	prompt "System type"
175e83d430SRalf Baechle	default SGI_IP22
181da177e4SLinus Torvalds
19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY
20c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
211da177e4SLinus Torvalds
2235189fadSRalf Baechleconfig BASLER_EXCITE
23be91589eSThomas Koeller	bool "Basler eXcite smart camera"
2435189fadSRalf Baechle	select DMA_COHERENT
2535189fadSRalf Baechle	select HW_HAS_PCI
2635189fadSRalf Baechle	select IRQ_CPU
2735189fadSRalf Baechle	select IRQ_CPU_RM7K
2835189fadSRalf Baechle	select IRQ_CPU_RM9K
29663c3d90Sthomas@koeller.dyndns.org	select MIPS_RM9122
3035189fadSRalf Baechle	select SYS_HAS_CPU_RM9000
3135189fadSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3235189fadSRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
33cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
3435189fadSRalf Baechle	help
3535189fadSRalf Baechle	  The eXcite is a smart camera platform manufactured by
36be91589eSThomas Koeller	  Basler Vision Technologies AG.
3735189fadSRalf Baechle
3835189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE
3935189fadSRalf Baechle	bool "Support for pre-release units"
4035189fadSRalf Baechle	depends on BASLER_EXCITE
4135189fadSRalf Baechle	default n
4235189fadSRalf Baechle	help
4335189fadSRalf Baechle	  Pre-series (prototype) units are different from later ones in
4435189fadSRalf Baechle	  some ways. Select this option if you have one of these. Please
4535189fadSRalf Baechle	  note that a kernel built with this option selected will not be
4635189fadSRalf Baechle	  able to run on normal units.
4735189fadSRalf Baechle
481c0c13ebSAurelien Jarnoconfig BCM47XX
491c0c13ebSAurelien Jarno	bool "BCM47XX based boards"
501c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
511c0c13ebSAurelien Jarno	select HW_HAS_PCI
521c0c13ebSAurelien Jarno	select IRQ_CPU
531c0c13ebSAurelien Jarno	select SYS_HAS_CPU_MIPS32_R1
541c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
551c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
561c0c13ebSAurelien Jarno	select SSB
571c0c13ebSAurelien Jarno	select SSB_DRIVER_MIPS
581c0c13ebSAurelien Jarno	select GENERIC_GPIO
5925e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
6025e5fb97SAurelien Jarno	select CFE
611c0c13ebSAurelien Jarno	help
621c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
631c0c13ebSAurelien Jarno
641da177e4SLinus Torvaldsconfig MIPS_COBALT
653fa986faSMartin Michlmayr	bool "Cobalt Server"
661da177e4SLinus Torvalds	select DMA_NONCOHERENT
671da177e4SLinus Torvalds	select HW_HAS_PCI
681da177e4SLinus Torvalds	select I8259
691da177e4SLinus Torvalds	select IRQ_CPU
70d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
71252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
727cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
730a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
74ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
75ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
765e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
779fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
781da177e4SLinus Torvalds
791da177e4SLinus Torvaldsconfig MACH_DECSTATION
803fa986faSMartin Michlmayr	bool "DECstations"
811da177e4SLinus Torvalds	select BOOT_ELF32
821da177e4SLinus Torvalds	select DMA_NONCOHERENT
83d388d685SMaciej W. Rozycki	select NO_IOPORT
841da177e4SLinus Torvalds	select IRQ_CPU
857cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
867cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
87ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
88ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
895e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
901723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
911723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
921723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
935e83d430SRalf Baechle	help
941da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
951da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
961da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
971da177e4SLinus Torvalds
981da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
991da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
1001da177e4SLinus Torvalds
1011da177e4SLinus Torvalds		DECstation 5000/50
1021da177e4SLinus Torvalds		DECstation 5000/150
1031da177e4SLinus Torvalds		DECstation 5000/260
1041da177e4SLinus Torvalds		DECsystem 5900/260
1051da177e4SLinus Torvalds
1061da177e4SLinus Torvalds	  otherwise choose R3000.
1071da177e4SLinus Torvalds
1085e83d430SRalf Baechleconfig MACH_JAZZ
1093fa986faSMartin Michlmayr	bool "Jazz family of machines"
1105e83d430SRalf Baechle	select ARC
1115e83d430SRalf Baechle	select ARC32
1125e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
1135e83d430SRalf Baechle	select GENERIC_ISA_DMA
114ea202c63SThomas Bogendoerfer	select IRQ_CPU
1155e83d430SRalf Baechle	select I8259
1165e83d430SRalf Baechle	select ISA
117de61b542SRalf Baechle	select PCSPEAKER
1187cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
1195e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1205e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1211723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
1229fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
1231da177e4SLinus Torvalds	help
1245e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
1255e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
1265e83d430SRalf Baechle	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
1275e83d430SRalf Baechle	 Olivetti M700-10 workstations.
1285e83d430SRalf Baechle
1291f21d2bdSBrian Murphyconfig LASAT
1301f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
1311f21d2bdSBrian Murphy	select DMA_NONCOHERENT
1321f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
1331f21d2bdSBrian Murphy	select HW_HAS_PCI
1341f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
1351f21d2bdSBrian Murphy	select MIPS_NILE4
1361f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
1371f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
1381f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
1391f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
1401f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
1411f21d2bdSBrian Murphy	select GENERIC_HARDIRQS_NO__DO_IRQ
1421f21d2bdSBrian Murphy
143ade299d8SYoichi Yuasaconfig LEMOTE_FULONG
144ade299d8SYoichi Yuasa	bool "Lemote Fulong mini-PC"
145ade299d8SYoichi Yuasa	select ARCH_SPARSEMEM_ENABLE
146ade299d8SYoichi Yuasa	select SYS_HAS_CPU_LOONGSON2
147ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
148ade299d8SYoichi Yuasa	select BOOT_ELF32
149ade299d8SYoichi Yuasa	select BOARD_SCACHE
150ade299d8SYoichi Yuasa	select HAVE_STD_PC_SERIAL_PORT
151ade299d8SYoichi Yuasa	select HW_HAS_PCI
152ade299d8SYoichi Yuasa	select I8259
153ade299d8SYoichi Yuasa	select ISA
154ade299d8SYoichi Yuasa	select IRQ_CPU
155ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
156ade299d8SYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
157ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
158ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
159ade299d8SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
160ade299d8SYoichi Yuasa	select GENERIC_HARDIRQS_NO__DO_IRQ
16123dd6d35SRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
162ade299d8SYoichi Yuasa	select CPU_HAS_WB
163ade299d8SYoichi Yuasa	help
164ade299d8SYoichi Yuasa	  Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
165ade299d8SYoichi Yuasa	  an FPGA northbridge
166ade299d8SYoichi Yuasa
1671da177e4SLinus Torvaldsconfig MIPS_ATLAS
1683fa986faSMartin Michlmayr	bool "MIPS Atlas board"
1691da177e4SLinus Torvalds	select BOOT_ELF32
1701da177e4SLinus Torvalds	select DMA_NONCOHERENT
17136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
1725e83d430SRalf Baechle	select IRQ_CPU
1731da177e4SLinus Torvalds	select HW_HAS_PCI
1745e83d430SRalf Baechle	select MIPS_BOARDS_GEN
1755e83d430SRalf Baechle	select MIPS_BONITO64
176252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
1775e83d430SRalf Baechle	select MIPS_MSC
178f4b7cdb4SMaciej W. Rozycki	select RM7000_CPU_SCACHE
1791da177e4SLinus Torvalds	select SWAP_IO_SPACE
1807cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
1817cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
1827cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
1837cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
1847cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
185ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
186ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
1875e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1885e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
189f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
1909693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
191e77c232cSFranck Bui-Huu	select GENERIC_HARDIRQS_NO__DO_IRQ
1921da177e4SLinus Torvalds	help
193f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Atlas evaluation
1941da177e4SLinus Torvalds	  board.
1951da177e4SLinus Torvalds
1961da177e4SLinus Torvaldsconfig MIPS_MALTA
1973fa986faSMartin Michlmayr	bool "MIPS Malta board"
19861ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
1991da177e4SLinus Torvalds	select BOOT_ELF32
2001da177e4SLinus Torvalds	select DMA_NONCOHERENT
2011da177e4SLinus Torvalds	select GENERIC_ISA_DMA
202aa414dffSRalf Baechle	select IRQ_CPU
2031da177e4SLinus Torvalds	select HW_HAS_PCI
2041da177e4SLinus Torvalds	select I8259
2055e83d430SRalf Baechle	select MIPS_BOARDS_GEN
2065e83d430SRalf Baechle	select MIPS_BONITO64
2079318c51aSChris Dearman	select MIPS_CPU_SCACHE
208252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
2095e83d430SRalf Baechle	select MIPS_MSC
2101da177e4SLinus Torvalds	select SWAP_IO_SPACE
2117cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
2127cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
2137cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
2147cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
2157cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
21636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
217ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
218ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
2195e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
2205e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
221f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
2229693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
2231da177e4SLinus Torvalds	help
224f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
2251da177e4SLinus Torvalds	  board.
2261da177e4SLinus Torvalds
2271da177e4SLinus Torvaldsconfig MIPS_SEAD
228d98cc84dSRalf Baechle	bool "MIPS SEAD board"
2291da177e4SLinus Torvalds	select IRQ_CPU
2301da177e4SLinus Torvalds	select DMA_NONCOHERENT
23136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
2325e83d430SRalf Baechle	select MIPS_BOARDS_GEN
2337cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
2347cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
2357cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
236ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
2375e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
2385e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
2395e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
2409693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
241f638d197SMaciej W. Rozycki	help
242f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies SEAD evaluation
243f638d197SMaciej W. Rozycki	  board.
2441da177e4SLinus Torvalds
245c78cbf49SRalf Baechleconfig MIPS_SIM
2463fa986faSMartin Michlmayr	bool 'MIPS simulator (MIPSsim)'
247c78cbf49SRalf Baechle	select DMA_NONCOHERENT
24836a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
249c78cbf49SRalf Baechle	select IRQ_CPU
2509267a30dSMarc St-Jean	select BOOT_RAW
2517cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
2527cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
25336a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
254c78cbf49SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
255c78cbf49SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
256f6e2373aSRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
257c78cbf49SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
258c78cbf49SRalf Baechle	help
259c78cbf49SRalf Baechle	  This option enables support for MIPS Technologies MIPSsim software
260c78cbf49SRalf Baechle	  emulator.
261c78cbf49SRalf Baechle
262ade299d8SYoichi Yuasaconfig MARKEINS
263ade299d8SYoichi Yuasa	bool "NEC EMMA2RH Mark-eins"
264ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
265ade299d8SYoichi Yuasa	select HW_HAS_PCI
266ade299d8SYoichi Yuasa	select IRQ_CPU
267ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
268ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
269ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
270ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
271ade299d8SYoichi Yuasa	select SYS_HAS_CPU_R5000
272ade299d8SYoichi Yuasa	help
273ade299d8SYoichi Yuasa	  This enables support for the R5432-based NEC Mark-eins
274ade299d8SYoichi Yuasa	  boards with R5500 CPU.
275ade299d8SYoichi Yuasa
2765e83d430SRalf Baechleconfig MACH_VR41XX
27774142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
2787cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
2799fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
2805e83d430SRalf Baechle
281ade299d8SYoichi Yuasaconfig PNX8550_JBS
282ade299d8SYoichi Yuasa	bool "Philips PNX8550 based JBS board"
283ade299d8SYoichi Yuasa	select PNX8550
284ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
285ade299d8SYoichi Yuasa
286ade299d8SYoichi Yuasaconfig PNX8550_STB810
287ade299d8SYoichi Yuasa	bool "Philips PNX8550 based STB810 board"
288ade299d8SYoichi Yuasa	select PNX8550
289ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
290ade299d8SYoichi Yuasa
2919267a30dSMarc St-Jeanconfig PMC_MSP
2929267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
2939267a30dSMarc St-Jean	depends on EXPERIMENTAL
2949267a30dSMarc St-Jean	select DMA_NONCOHERENT
2959267a30dSMarc St-Jean	select SWAP_IO_SPACE
2969267a30dSMarc St-Jean	select NO_EXCEPT_FILL
2979267a30dSMarc St-Jean	select BOOT_RAW
2989267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
2999267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
3009267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
3019267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
3029267a30dSMarc St-Jean	select SYS_SUPPORTS_KGDB
3039267a30dSMarc St-Jean	select IRQ_CPU
3049267a30dSMarc St-Jean	select SERIAL_8250
3059267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
3069267a30dSMarc St-Jean	help
3079267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
3089267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
3099267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
3109267a30dSMarc St-Jean	  a variety of MIPS cores.
3119267a30dSMarc St-Jean
3125e83d430SRalf Baechleconfig PMC_YOSEMITE
3133fa986faSMartin Michlmayr	bool "PMC-Sierra Yosemite eval board"
3145e83d430SRalf Baechle	select DMA_COHERENT
3155e83d430SRalf Baechle	select HW_HAS_PCI
3165e83d430SRalf Baechle	select IRQ_CPU
3175e83d430SRalf Baechle	select IRQ_CPU_RM7K
3185e83d430SRalf Baechle	select IRQ_CPU_RM9K
3195e83d430SRalf Baechle	select SWAP_IO_SPACE
3207cf8053bSRalf Baechle	select SYS_HAS_CPU_RM9000
32136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
3225e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3235e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
3245e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
3255e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
326cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
327e73ea273SRalf Baechle	select SYS_SUPPORTS_SMP
3285e83d430SRalf Baechle	help
3295e83d430SRalf Baechle	  Yosemite is an evaluation board for the RM9000x2 processor
3305e83d430SRalf Baechle	  manufactured by PMC-Sierra.
3311da177e4SLinus Torvalds
33207119621SRalf Baechleconfig QEMU
3333fa986faSMartin Michlmayr	bool "Qemu"
33407119621SRalf Baechle	select DMA_COHERENT
33507119621SRalf Baechle	select GENERIC_ISA_DMA
33607119621SRalf Baechle	select HAVE_STD_PC_SERIAL_PORT
33707119621SRalf Baechle	select I8259
338*7bcf7717SRalf Baechle	select IRQ_CPU
33907119621SRalf Baechle	select ISA
340de61b542SRalf Baechle	select PCSPEAKER
34107119621SRalf Baechle	select SWAP_IO_SPACE
3427cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
34307119621SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
34407119621SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
345c8cc9618SAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
346b1c6cd42SAtsushi Nemoto	select ARCH_SPARSEMEM_ENABLE
3479fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
34872ede9b1SAtsushi Nemoto	select NR_CPUS_DEFAULT_1
34972ede9b1SAtsushi Nemoto	select SYS_SUPPORTS_SMP
35007119621SRalf Baechle	help
35107119621SRalf Baechle	  Qemu is a software emulator which among other architectures also
35207119621SRalf Baechle	  can simulate a MIPS32 4Kc system.  This patch adds support for the
35307119621SRalf Baechle	  system architecture that currently is being simulated by Qemu.  It
35407119621SRalf Baechle	  will eventually be removed again when Qemu has the capability to
35507119621SRalf Baechle	  simulate actual MIPS hardware platforms.  More information on Qemu
35607119621SRalf Baechle	  can be found at http://www.linux-mips.org/wiki/Qemu.
35707119621SRalf Baechle
3581da177e4SLinus Torvaldsconfig SGI_IP22
3593fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
3601da177e4SLinus Torvalds	select ARC
3611da177e4SLinus Torvalds	select ARC32
3621da177e4SLinus Torvalds	select BOOT_ELF32
3631da177e4SLinus Torvalds	select DMA_NONCOHERENT
3645e83d430SRalf Baechle	select HW_HAS_EISA
3651da177e4SLinus Torvalds	select IP22_CPU_SCACHE
3661da177e4SLinus Torvalds	select IRQ_CPU
367aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
3681da177e4SLinus Torvalds	select SWAP_IO_SPACE
3697cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3707cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
37136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
372ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
373ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
3745e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
3751da177e4SLinus Torvalds	help
3761da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
3771da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
3781da177e4SLinus Torvalds	  that runs on these, say Y here.
3791da177e4SLinus Torvalds
3801da177e4SLinus Torvaldsconfig SGI_IP27
3813fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
3821da177e4SLinus Torvalds	select ARC
3831da177e4SLinus Torvalds	select ARC64
3845e83d430SRalf Baechle	select BOOT_ELF64
3851da177e4SLinus Torvalds	select DMA_IP27
38636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
3871da177e4SLinus Torvalds	select HW_HAS_PCI
388130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
3897cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
390ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
3915e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
392cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
393d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
3941a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
395e77c232cSFranck Bui-Huu	select GENERIC_HARDIRQS_NO__DO_IRQ
3961da177e4SLinus Torvalds	help
3971da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
3981da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
3991da177e4SLinus Torvalds	  here.
4001da177e4SLinus Torvalds
4011da177e4SLinus Torvaldsconfig SGI_IP32
402cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
4031da177e4SLinus Torvalds	select ARC
4041da177e4SLinus Torvalds	select ARC32
4051da177e4SLinus Torvalds	select BOOT_ELF32
4061da177e4SLinus Torvalds	select DMA_NONCOHERENT
4071da177e4SLinus Torvalds	select HW_HAS_PCI
4081da177e4SLinus Torvalds	select R5000_CPU_SCACHE
4091da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
4107cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
4117cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
4127cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
413dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
414ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
4155e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4161da177e4SLinus Torvalds	help
4171da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
4181da177e4SLinus Torvalds
419ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
420ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
4215e83d430SRalf Baechle	depends on EXPERIMENTAL
4225e83d430SRalf Baechle	select BOOT_ELF32
4235e83d430SRalf Baechle	select DMA_COHERENT
4245e83d430SRalf Baechle	select SIBYTE_BCM1120
4255e83d430SRalf Baechle	select SWAP_IO_SPACE
4267cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4275e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4285e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4295e83d430SRalf Baechle
430ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
431ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
4325e83d430SRalf Baechle	depends on EXPERIMENTAL
4335e83d430SRalf Baechle	select BOOT_ELF32
4345e83d430SRalf Baechle	select DMA_COHERENT
4355e83d430SRalf Baechle	select SIBYTE_BCM1120
4365e83d430SRalf Baechle	select SWAP_IO_SPACE
4377cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4385e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4395e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4405e83d430SRalf Baechle
4415e83d430SRalf Baechleconfig SIBYTE_CRHONE
4423fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
4435e83d430SRalf Baechle	depends on EXPERIMENTAL
4445e83d430SRalf Baechle	select BOOT_ELF32
4455e83d430SRalf Baechle	select DMA_COHERENT
4465e83d430SRalf Baechle	select SIBYTE_BCM1125
4475e83d430SRalf Baechle	select SWAP_IO_SPACE
4487cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4495e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4505e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
4515e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4525e83d430SRalf Baechle
453ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
454ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
455ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
456ade299d8SYoichi Yuasa	select BOOT_ELF32
457ade299d8SYoichi Yuasa	select DMA_COHERENT
458ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
459ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
460ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
461ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
462ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
463ade299d8SYoichi Yuasa
464ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
465ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
466ade299d8SYoichi Yuasa	select BOOT_ELF32
467ade299d8SYoichi Yuasa	select DMA_COHERENT
468ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
469ade299d8SYoichi Yuasa	select SIBYTE_SB1250
470ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
471ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
472ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
473ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
474ade299d8SYoichi Yuasa	select SYS_SUPPORTS_KGDB
475ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
476ade299d8SYoichi Yuasa
477ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
478ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
479ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
480ade299d8SYoichi Yuasa	select BOOT_ELF32
481ade299d8SYoichi Yuasa	select DMA_COHERENT
482ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
483ade299d8SYoichi Yuasa	select SIBYTE_SB1250
484ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
485ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
486ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
487ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
488ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
489ade299d8SYoichi Yuasa
490ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
491ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
492ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
493ade299d8SYoichi Yuasa	select BOOT_ELF32
494ade299d8SYoichi Yuasa	select DMA_COHERENT
495ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
496ade299d8SYoichi Yuasa	select SIBYTE_SB1250
497ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
498ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
499ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
500ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
501ade299d8SYoichi Yuasa
502ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM
503ade299d8SYoichi Yuasa	bool "Sibyte BCM91250PT-PTSWARM"
504ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
505ade299d8SYoichi Yuasa	select BOOT_ELF32
506ade299d8SYoichi Yuasa	select DMA_COHERENT
507ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
508ade299d8SYoichi Yuasa	select SIBYTE_SB1250
509ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
510ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
511ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
512ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
513ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
514ade299d8SYoichi Yuasa
515ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
516ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
517ade299d8SYoichi Yuasa	select BOOT_ELF32
518ade299d8SYoichi Yuasa	select DMA_COHERENT
519ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
520ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
521ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
522ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
523ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
524ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
525ade299d8SYoichi Yuasa
52614b36af4SThomas Bogendoerferconfig SNI_RM
52714b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
5284a0312fcSThomas Bogendoerfer	select ARC if CPU_LITTLE_ENDIAN
5294a0312fcSThomas Bogendoerfer	select ARC32 if CPU_LITTLE_ENDIAN
5305e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
5315e83d430SRalf Baechle	select BOOT_ELF32
5325e83d430SRalf Baechle	select DMA_NONCOHERENT
5335e83d430SRalf Baechle	select GENERIC_ISA_DMA
5345e83d430SRalf Baechle	select HW_HAS_EISA
5355e83d430SRalf Baechle	select HW_HAS_PCI
536c066a32aSThomas Bogendoerfer	select IRQ_CPU
5375e83d430SRalf Baechle	select I8259
5385e83d430SRalf Baechle	select ISA
539de61b542SRalf Baechle	select PCSPEAKER
5404a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
5417cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
5424a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
543c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
5444a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
54536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
546ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
5475e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5484a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
5495e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
5505e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
5511da177e4SLinus Torvalds	help
55214b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
55314b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
5545e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
5555e83d430SRalf Baechle	  support this machine type.
5561da177e4SLinus Torvalds
5575e83d430SRalf Baechleconfig TOSHIBA_JMR3927
5583fa986faSMartin Michlmayr	bool "Toshiba JMR-TX3927 board"
5595e83d430SRalf Baechle	select DMA_NONCOHERENT
5605e83d430SRalf Baechle	select HW_HAS_PCI
5615e83d430SRalf Baechle	select MIPS_TX3927
562c87abd75SAtsushi Nemoto	select IRQ_TXX9
5635e83d430SRalf Baechle	select SWAP_IO_SPACE
5647cf8053bSRalf Baechle	select SYS_HAS_CPU_TX39XX
5655e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
5666a2603a2SSergei Shtylyov	select SYS_SUPPORTS_LITTLE_ENDIAN
5675e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
5682127435eSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
5695e83d430SRalf Baechle
5705e83d430SRalf Baechleconfig TOSHIBA_RBTX4927
57108a91283SYoichi Yuasa	bool "Toshiba RBTX49[23]7 board"
5725e83d430SRalf Baechle	select DMA_NONCOHERENT
5735e83d430SRalf Baechle	select HAS_TXX9_SERIAL
5745e83d430SRalf Baechle	select HW_HAS_PCI
575c87abd75SAtsushi Nemoto	select IRQ_CPU
576c87abd75SAtsushi Nemoto	select IRQ_TXX9
577c87abd75SAtsushi Nemoto	select I8259 if TOSHIBA_FPCIB0
5785e83d430SRalf Baechle	select SWAP_IO_SPACE
5797cf8053bSRalf Baechle	select SYS_HAS_CPU_TX49XX
5805e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
5815e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
5826a2603a2SSergei Shtylyov	select SYS_SUPPORTS_LITTLE_ENDIAN
5835e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
584cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
5859fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
5865e83d430SRalf Baechle	help
5875e83d430SRalf Baechle	  This Toshiba board is based on the TX4927 processor. Say Y here to
5885e83d430SRalf Baechle	  support this machine type
5891da177e4SLinus Torvalds
59023fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938
5913fa986faSMartin Michlmayr	bool "Toshiba RBTX4938 board"
59223fbee9dSRalf Baechle	select DMA_NONCOHERENT
59323fbee9dSRalf Baechle	select HAS_TXX9_SERIAL
59423fbee9dSRalf Baechle	select HW_HAS_PCI
595c87abd75SAtsushi Nemoto	select IRQ_CPU
596c87abd75SAtsushi Nemoto	select IRQ_TXX9
59723fbee9dSRalf Baechle	select SWAP_IO_SPACE
5987cf8053bSRalf Baechle	select SYS_HAS_CPU_TX49XX
59923fbee9dSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
60023fbee9dSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
60123fbee9dSRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
602cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
6039fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
6043896b054SAtsushi Nemoto	select GENERIC_GPIO
60523fbee9dSRalf Baechle	help
60623fbee9dSRalf Baechle	  This Toshiba board is based on the TX4938 processor. Say Y here to
60723fbee9dSRalf Baechle	  support this machine type
60823fbee9dSRalf Baechle
609ade299d8SYoichi Yuasaconfig WR_PPMC
610ade299d8SYoichi Yuasa	bool "Wind River PPMC board"
611ade299d8SYoichi Yuasa	select IRQ_CPU
612ade299d8SYoichi Yuasa	select BOOT_ELF32
613ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
614ade299d8SYoichi Yuasa	select HW_HAS_PCI
615ade299d8SYoichi Yuasa	select PCI_GT64XXX_PCI0
616ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
617ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS32_R1
618ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS32_R2
619ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS64_R1
620ade299d8SYoichi Yuasa	select SYS_HAS_CPU_NEVADA
621ade299d8SYoichi Yuasa	select SYS_HAS_CPU_RM7000
622ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
623ade299d8SYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
624ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
625ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
626ade299d8SYoichi Yuasa	help
627ade299d8SYoichi Yuasa	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
628ade299d8SYoichi Yuasa	  board, which is based on GT64120 bridge chip.
629ade299d8SYoichi Yuasa
6301da177e4SLinus Torvaldsendchoice
6311da177e4SLinus Torvalds
632c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig"
6335e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
6341f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
6355e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig"
63629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
63738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
6385e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig"
63923fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig"
6405e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
64138b18f72SRalf Baechle
6425e83d430SRalf Baechleendmenu
6435e83d430SRalf Baechle
6441da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
6451da177e4SLinus Torvalds	bool
6461da177e4SLinus Torvalds	default y
6471da177e4SLinus Torvalds
6481da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
6491da177e4SLinus Torvalds	bool
6501da177e4SLinus Torvalds
651f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32
652f0d1b0b3SDavid Howells	bool
653f0d1b0b3SDavid Howells	default n
654f0d1b0b3SDavid Howells
655f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64
656f0d1b0b3SDavid Howells	bool
657f0d1b0b3SDavid Howells	default n
658f0d1b0b3SDavid Howells
6593c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT
6603c9ee7efSAkinobu Mita	bool
6613c9ee7efSAkinobu Mita	default y
6623c9ee7efSAkinobu Mita
6633c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
6643c9ee7efSAkinobu Mita	bool
6653c9ee7efSAkinobu Mita	default y
6663c9ee7efSAkinobu Mita
6671da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
6681da177e4SLinus Torvalds	bool
6691da177e4SLinus Torvalds	default y
6701da177e4SLinus Torvalds
671*7bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS
672*7bcf7717SRalf Baechle	bool
673*7bcf7717SRalf Baechle	default y
674*7bcf7717SRalf Baechle
6758db02010SRalf Baechleconfig GENERIC_TIME
6768db02010SRalf Baechle	bool
6778db02010SRalf Baechle	default y
6788db02010SRalf Baechle
679f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE
680f5ff0a28SRalf Baechle	bool
681f5ff0a28SRalf Baechle	default y
682f5ff0a28SRalf Baechle
6831cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER
6841cc89038SAtsushi Nemoto	bool
6851cc89038SAtsushi Nemoto	default y
6861cc89038SAtsushi Nemoto
687e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ
688e77c232cSFranck Bui-Huu	bool
689e77c232cSFranck Bui-Huu	default n
690e77c232cSFranck Bui-Huu
6911da177e4SLinus Torvalds#
6921da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
6931da177e4SLinus Torvalds#
6941da177e4SLinus Torvaldsconfig ARC
6951da177e4SLinus Torvalds	bool
6961da177e4SLinus Torvalds
69761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
69861ed242dSRalf Baechle	bool
69961ed242dSRalf Baechle
7009267a30dSMarc St-Jeanconfig BOOT_RAW
7019267a30dSMarc St-Jean	bool
7029267a30dSMarc St-Jean
703df78b5c8SAurelien Jarnoconfig CFE
704df78b5c8SAurelien Jarno	bool
705df78b5c8SAurelien Jarno
7061da177e4SLinus Torvaldsconfig DMA_COHERENT
7071da177e4SLinus Torvalds	bool
7081da177e4SLinus Torvalds
7091da177e4SLinus Torvaldsconfig DMA_IP27
7101da177e4SLinus Torvalds	bool
7111da177e4SLinus Torvalds
7124ce588cdSRalf Baechleconfig DMA_IP32
7134ce588cdSRalf Baechle	bool
7144ce588cdSRalf Baechle	select DMA_NEED_PCI_MAP_STATE
7154ce588cdSRalf Baechle
7161da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
7171da177e4SLinus Torvalds	bool
7184ce588cdSRalf Baechle	select DMA_NEED_PCI_MAP_STATE
7194ce588cdSRalf Baechle
7204ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE
7214ce588cdSRalf Baechle	bool
7221da177e4SLinus Torvalds
7231da177e4SLinus Torvaldsconfig EARLY_PRINTK
72436a88530SRalf Baechle	bool "Early printk" if EMBEDDED && DEBUG_KERNEL
72536a88530SRalf Baechle	depends on SYS_HAS_EARLY_PRINTK
72636a88530SRalf Baechle	default y
72736a88530SRalf Baechle	help
72836a88530SRalf Baechle	  This option enables special console drivers which allow the kernel
72936a88530SRalf Baechle	  to print messages very early in the bootup process.
73036a88530SRalf Baechle
73136a88530SRalf Baechle	  This is useful for kernel debugging when your machine crashes very
732490dcc4dSRobert P. J. Day	  early before the console code is initialized. For normal operation,
733490dcc4dSRobert P. J. Day	  it is not recommended because it looks ugly on some machines and
734490dcc4dSRobert P. J. Day	  doesn't cooperate with an X server. You should normally say N here,
73536a88530SRalf Baechle	  unless you want to debug such a crash.
73636a88530SRalf Baechle
73736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
7381da177e4SLinus Torvalds	bool
7391da177e4SLinus Torvalds
740dbb74540SRalf Baechleconfig HOTPLUG_CPU
741dbb74540SRalf Baechle	bool
742dbb74540SRalf Baechle	default n
743dbb74540SRalf Baechle
7441da177e4SLinus Torvaldsconfig I8259
7451da177e4SLinus Torvalds	bool
7461da177e4SLinus Torvalds
7471da177e4SLinus Torvaldsconfig MIPS_BONITO64
7481da177e4SLinus Torvalds	bool
7491da177e4SLinus Torvalds
7501da177e4SLinus Torvaldsconfig MIPS_MSC
7511da177e4SLinus Torvalds	bool
7521da177e4SLinus Torvalds
7531f21d2bdSBrian Murphyconfig MIPS_NILE4
7541f21d2bdSBrian Murphy	bool
7551f21d2bdSBrian Murphy
7561da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE
7571da177e4SLinus Torvalds	bool
7581da177e4SLinus Torvalds
759d388d685SMaciej W. Rozyckiconfig NO_IOPORT
760d388d685SMaciej W. Rozycki	def_bool n
761d388d685SMaciej W. Rozycki
7628313da30SRalf Baechleconfig GENERIC_ISA_DMA
7638313da30SRalf Baechle	bool
7648313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
7658313da30SRalf Baechle
766aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
767aa414dffSRalf Baechle	bool
7688313da30SRalf Baechle	select GENERIC_ISA_DMA
769aa414dffSRalf Baechle
77009663335SYoichi Yuasaconfig GENERIC_GPIO
77109663335SYoichi Yuasa	bool
77209663335SYoichi Yuasa
7735e83d430SRalf Baechle#
7743cb2fcccSMatt LaPlante# Endianess selection.  Sufficiently obscure so many users don't know what to
7755e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
7765e83d430SRalf Baechle# choice statement should be more obvious to the user.
7775e83d430SRalf Baechle#
7785e83d430SRalf Baechlechoice
7795e83d430SRalf Baechle	prompt "Endianess selection"
7801da177e4SLinus Torvalds	help
7811da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
7825e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
7833cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
7845e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
7853dde6ad8SDavid Sterba	  one or the other endianness.
7865e83d430SRalf Baechle
7875e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
7885e83d430SRalf Baechle	bool "Big endian"
7895e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
7905e83d430SRalf Baechle
7915e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
7925e83d430SRalf Baechle	bool "Little endian"
7935e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
7945e83d430SRalf Baechle	help
7955e83d430SRalf Baechle
7965e83d430SRalf Baechleendchoice
7975e83d430SRalf Baechle
7982116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
7992116245eSRalf Baechle	bool
8002116245eSRalf Baechle
8015e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
8025e83d430SRalf Baechle	bool
8035e83d430SRalf Baechle
8045e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
8055e83d430SRalf Baechle	bool
8061da177e4SLinus Torvalds
8071da177e4SLinus Torvaldsconfig IRQ_CPU
8081da177e4SLinus Torvalds	bool
8091da177e4SLinus Torvalds
8101da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
8111da177e4SLinus Torvalds	bool
8121da177e4SLinus Torvalds
8135e83d430SRalf Baechleconfig IRQ_CPU_RM9K
8145e83d430SRalf Baechle	bool
8155e83d430SRalf Baechle
8169267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
8179267a30dSMarc St-Jean	bool
8189267a30dSMarc St-Jean
8199267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
8209267a30dSMarc St-Jean	bool
8219267a30dSMarc St-Jean
8228420fd00SAtsushi Nemotoconfig IRQ_TXX9
8238420fd00SAtsushi Nemoto	bool
8248420fd00SAtsushi Nemoto
825d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
826d5ab1a69SYoichi Yuasa	bool
827d5ab1a69SYoichi Yuasa
8281da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN
8291da177e4SLinus Torvalds	bool
8301da177e4SLinus Torvalds
831252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
8321da177e4SLinus Torvalds	bool
8331da177e4SLinus Torvalds
8349267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
8359267a30dSMarc St-Jean	bool
8369267a30dSMarc St-Jean
8371da177e4SLinus Torvaldsconfig MIPS_TX3927
8381da177e4SLinus Torvalds	bool
8391da177e4SLinus Torvalds	select HAS_TXX9_SERIAL
8401da177e4SLinus Torvalds
841663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122
842663c3d90Sthomas@koeller.dyndns.org	bool
843663c3d90Sthomas@koeller.dyndns.org	select SERIAL_RM9000
844663c3d90Sthomas@koeller.dyndns.org
845bdf21b18SPete Popovconfig PNX8550
846bdf21b18SPete Popov	bool
847bdf21b18SPete Popov	select SOC_PNX8550
848bdf21b18SPete Popov
849bdf21b18SPete Popovconfig SOC_PNX8550
850bdf21b18SPete Popov	bool
851bdf21b18SPete Popov	select DMA_NONCOHERENT
852bdf21b18SPete Popov	select HW_HAS_PCI
853b8c2a77cSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
85436a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
8557cf8053bSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
856e77c232cSFranck Bui-Huu	select GENERIC_HARDIRQS_NO__DO_IRQ
857cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
8584ead1681SFlorian Fainelli	select GENERIC_GPIO
859bdf21b18SPete Popov
8601da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
8611da177e4SLinus Torvalds	bool
8621da177e4SLinus Torvalds
863355c471fSdmitry pervushinconfig EMMA2RH
864355c471fSdmitry pervushin	bool
865355c471fSdmitry pervushin	depends on MARKEINS
866355c471fSdmitry pervushin	default y
867355c471fSdmitry pervushin
868663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000
869663c3d90Sthomas@koeller.dyndns.org	bool
870663c3d90Sthomas@koeller.dyndns.org
8715e83d430SRalf Baechleconfig ARC32
8725e83d430SRalf Baechle	bool
8735e83d430SRalf Baechle
8741da177e4SLinus Torvaldsconfig BOOT_ELF32
8751da177e4SLinus Torvalds	bool
8761da177e4SLinus Torvalds
8771da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
8781da177e4SLinus Torvalds	int
87906cf5583SThomas Bogendoerfer	default "4" if MACH_DECSTATION
88006cf5583SThomas Bogendoerfer	default "7" if SGI_IP27 || SNI_RM
8819267a30dSMarc St-Jean	default "4" if PMC_MSP4200_EVAL
8821da177e4SLinus Torvalds	default "5"
8831da177e4SLinus Torvalds
8841da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
8851da177e4SLinus Torvalds	bool
8861da177e4SLinus Torvalds
8871da177e4SLinus Torvaldsconfig ARC_CONSOLE
8881da177e4SLinus Torvalds	bool "ARC console support"
88936a88530SRalf Baechle	depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
8901da177e4SLinus Torvalds
8911da177e4SLinus Torvaldsconfig ARC_MEMORY
8921da177e4SLinus Torvalds	bool
89314b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
8941da177e4SLinus Torvalds	default y
8951da177e4SLinus Torvalds
8961da177e4SLinus Torvaldsconfig ARC_PROMLIB
8971da177e4SLinus Torvalds	bool
89814b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
8991da177e4SLinus Torvalds	default y
9001da177e4SLinus Torvalds
9011da177e4SLinus Torvaldsconfig ARC64
9021da177e4SLinus Torvalds	bool
9031da177e4SLinus Torvalds
9041da177e4SLinus Torvaldsconfig BOOT_ELF64
9051da177e4SLinus Torvalds	bool
9061da177e4SLinus Torvalds
9071da177e4SLinus Torvaldsmenu "CPU selection"
9081da177e4SLinus Torvalds
909*7bcf7717SRalf Baechlesource "kernel/time/Kconfig"
910*7bcf7717SRalf Baechle
9111da177e4SLinus Torvaldschoice
9121da177e4SLinus Torvalds	prompt "CPU type"
9131da177e4SLinus Torvalds	default CPU_R4X00
9141da177e4SLinus Torvalds
9152a21c730SFuxin Zhangconfig CPU_LOONGSON2
9162a21c730SFuxin Zhang	bool "Loongson 2"
9172a21c730SFuxin Zhang	depends on SYS_HAS_CPU_LOONGSON2
9182a21c730SFuxin Zhang	select CPU_SUPPORTS_32BIT_KERNEL
9192a21c730SFuxin Zhang	select CPU_SUPPORTS_64BIT_KERNEL
9202a21c730SFuxin Zhang	select CPU_SUPPORTS_HIGHMEM
9212a21c730SFuxin Zhang	help
9222a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
9232a21c730SFuxin Zhang	  with many extensions.
9242a21c730SFuxin Zhang
9256e760c8dSRalf Baechleconfig CPU_MIPS32_R1
9266e760c8dSRalf Baechle	bool "MIPS32 Release 1"
9277cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
928f7062ddbSRalf Baechle	select CPU_HAS_LLSC
9296e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
930797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
931ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
9326e760c8dSRalf Baechle	help
9335e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
9341e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
9351e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
9361e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
9371e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
9381e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
9391e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
9401e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
9411e5f1caaSRalf Baechle	  performance.
9421e5f1caaSRalf Baechle
9431e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
9441e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
9457cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
946f7062ddbSRalf Baechle	select CPU_HAS_LLSC
9471e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
948797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
949ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
9501e5f1caaSRalf Baechle	help
9515e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
9526e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
9536e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
9546e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
9556e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
9561da177e4SLinus Torvalds
9576e760c8dSRalf Baechleconfig CPU_MIPS64_R1
9586e760c8dSRalf Baechle	bool "MIPS64 Release 1"
9597cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
960f7062ddbSRalf Baechle	select CPU_HAS_LLSC
961797798c1SRalf Baechle	select CPU_HAS_PREFETCH
962ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
963ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
964ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
9656e760c8dSRalf Baechle	help
9666e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
9676e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
9686e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
9696e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
9706e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
9711e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
9721e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
9731e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
9741e5f1caaSRalf Baechle	  performance.
9751e5f1caaSRalf Baechle
9761e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
9771e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
9787cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
979f7062ddbSRalf Baechle	select CPU_HAS_LLSC
980797798c1SRalf Baechle	select CPU_HAS_PREFETCH
9811e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
9821e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
983ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
9841e5f1caaSRalf Baechle	help
9851e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
9861e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
9871e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
9881e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
9891e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
9901da177e4SLinus Torvalds
9911da177e4SLinus Torvaldsconfig CPU_R3000
9921da177e4SLinus Torvalds	bool "R3000"
9937cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
994f7062ddbSRalf Baechle	select CPU_HAS_WB
995ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
996797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
9971da177e4SLinus Torvalds	help
9981da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
9991da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
10001da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
10011da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
10021da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
10031da177e4SLinus Torvalds	  try to recompile with R3000.
10041da177e4SLinus Torvalds
10051da177e4SLinus Torvaldsconfig CPU_TX39XX
10061da177e4SLinus Torvalds	bool "R39XX"
10077cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1008ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
10091da177e4SLinus Torvalds
10101da177e4SLinus Torvaldsconfig CPU_VR41XX
10111da177e4SLinus Torvalds	bool "R41xx"
10127cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1013ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1014ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10151da177e4SLinus Torvalds	help
10165e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
10171da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
10181da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
10191da177e4SLinus Torvalds	  processor or vice versa.
10201da177e4SLinus Torvalds
10211da177e4SLinus Torvaldsconfig CPU_R4300
10221da177e4SLinus Torvalds	bool "R4300"
10237cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1024f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1025ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1026ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10271da177e4SLinus Torvalds	help
10281da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
10291da177e4SLinus Torvalds
10301da177e4SLinus Torvaldsconfig CPU_R4X00
10311da177e4SLinus Torvalds	bool "R4x00"
10327cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1033f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1034ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1035ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10361da177e4SLinus Torvalds	help
10371da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
10381da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
10391da177e4SLinus Torvalds
10401da177e4SLinus Torvaldsconfig CPU_TX49XX
10411da177e4SLinus Torvalds	bool "R49XX"
10427cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1043f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1044de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1045ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1046ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10471da177e4SLinus Torvalds
10481da177e4SLinus Torvaldsconfig CPU_R5000
10491da177e4SLinus Torvalds	bool "R5000"
10507cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1051f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1052ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1053ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10541da177e4SLinus Torvalds	help
10551da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
10561da177e4SLinus Torvalds
10571da177e4SLinus Torvaldsconfig CPU_R5432
10581da177e4SLinus Torvalds	bool "R5432"
10597cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
1060f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10615e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
10625e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
10631da177e4SLinus Torvalds
10641da177e4SLinus Torvaldsconfig CPU_R6000
10651da177e4SLinus Torvalds	bool "R6000"
1066ed5ba2fbSYoichi Yuasa	depends on EXPERIMENTAL
1067f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10687cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R6000
1069ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
10701da177e4SLinus Torvalds	help
10711da177e4SLinus Torvalds	  MIPS Technologies R6000 and R6000A series processors.  Note these
1072c09b47d8SChris Dearman	  processors are extremely rare and the support for them is incomplete.
10731da177e4SLinus Torvalds
10741da177e4SLinus Torvaldsconfig CPU_NEVADA
10751da177e4SLinus Torvalds	bool "RM52xx"
10767cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1077f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1078ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1079ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10801da177e4SLinus Torvalds	help
10811da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
10821da177e4SLinus Torvalds
10831da177e4SLinus Torvaldsconfig CPU_R8000
10841da177e4SLinus Torvalds	bool "R8000"
1085ed5ba2fbSYoichi Yuasa	depends on EXPERIMENTAL
10867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
1087f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10885e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1089ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10901da177e4SLinus Torvalds	help
10911da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
10921da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
10931da177e4SLinus Torvalds
10941da177e4SLinus Torvaldsconfig CPU_R10000
10951da177e4SLinus Torvalds	bool "R10000"
10967cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
1097f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10985e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1099ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1100ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1101797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11021da177e4SLinus Torvalds	help
11031da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
11041da177e4SLinus Torvalds
11051da177e4SLinus Torvaldsconfig CPU_RM7000
11061da177e4SLinus Torvalds	bool "RM7000"
11077cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
1108f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11095e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1110ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1111ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1112797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11131da177e4SLinus Torvalds
11141da177e4SLinus Torvaldsconfig CPU_RM9000
11151da177e4SLinus Torvalds	bool "RM9000"
11167cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM9000
1117f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11185e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1119ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1120ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1121797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11220004a9dfSRalf Baechle	select WEAK_ORDERING
11231da177e4SLinus Torvalds
11241da177e4SLinus Torvaldsconfig CPU_SB1
11251da177e4SLinus Torvalds	bool "SB1"
11267cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1127f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1128ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1129ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1130797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11310004a9dfSRalf Baechle	select WEAK_ORDERING
11321da177e4SLinus Torvalds
11331da177e4SLinus Torvaldsendchoice
11341da177e4SLinus Torvalds
11352a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2
11362a21c730SFuxin Zhang	bool
11372a21c730SFuxin Zhang
11387cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
11397cf8053bSRalf Baechle	bool
11407cf8053bSRalf Baechle
11417cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
11427cf8053bSRalf Baechle	bool
11437cf8053bSRalf Baechle
11447cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
11457cf8053bSRalf Baechle	bool
11467cf8053bSRalf Baechle
11477cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
11487cf8053bSRalf Baechle	bool
11497cf8053bSRalf Baechle
11507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
11517cf8053bSRalf Baechle	bool
11527cf8053bSRalf Baechle
11537cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
11547cf8053bSRalf Baechle	bool
11557cf8053bSRalf Baechle
11567cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
11577cf8053bSRalf Baechle	bool
11587cf8053bSRalf Baechle
11597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
11607cf8053bSRalf Baechle	bool
11617cf8053bSRalf Baechle
11627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
11637cf8053bSRalf Baechle	bool
11647cf8053bSRalf Baechle
11657cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
11667cf8053bSRalf Baechle	bool
11677cf8053bSRalf Baechle
11687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
11697cf8053bSRalf Baechle	bool
11707cf8053bSRalf Baechle
11717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
11727cf8053bSRalf Baechle	bool
11737cf8053bSRalf Baechle
11747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000
11757cf8053bSRalf Baechle	bool
11767cf8053bSRalf Baechle
11777cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
11787cf8053bSRalf Baechle	bool
11797cf8053bSRalf Baechle
11807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
11817cf8053bSRalf Baechle	bool
11827cf8053bSRalf Baechle
11837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
11847cf8053bSRalf Baechle	bool
11857cf8053bSRalf Baechle
11867cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
11877cf8053bSRalf Baechle	bool
11887cf8053bSRalf Baechle
11897cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000
11907cf8053bSRalf Baechle	bool
11917cf8053bSRalf Baechle
11927cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
11937cf8053bSRalf Baechle	bool
11947cf8053bSRalf Baechle
119517099b11SRalf Baechle#
119617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
119717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
119817099b11SRalf Baechle#
11990004a9dfSRalf Baechleconfig WEAK_ORDERING
12000004a9dfSRalf Baechle	bool
120117099b11SRalf Baechle
120217099b11SRalf Baechle#
120317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
120417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
120517099b11SRalf Baechle#
120617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
120717099b11SRalf Baechle	bool
12085e83d430SRalf Baechleendmenu
12095e83d430SRalf Baechle
12105e83d430SRalf Baechle#
12115e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
12125e83d430SRalf Baechle#
12135e83d430SRalf Baechleconfig CPU_MIPS32
12145e83d430SRalf Baechle	bool
12155e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
12165e83d430SRalf Baechle
12175e83d430SRalf Baechleconfig CPU_MIPS64
12185e83d430SRalf Baechle	bool
12195e83d430SRalf Baechle	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
12205e83d430SRalf Baechle
12215e83d430SRalf Baechle#
1222c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2
12235e83d430SRalf Baechle#
12245e83d430SRalf Baechleconfig CPU_MIPSR1
12255e83d430SRalf Baechle	bool
12265e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
12275e83d430SRalf Baechle
12285e83d430SRalf Baechleconfig CPU_MIPSR2
12295e83d430SRalf Baechle	bool
12305e83d430SRalf Baechle	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
12315e83d430SRalf Baechle
12325e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
12335e83d430SRalf Baechle	bool
12345e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
12355e83d430SRalf Baechle	bool
12365e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
12375e83d430SRalf Baechle	bool
12385e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
12395e83d430SRalf Baechle	bool
12405e83d430SRalf Baechle
12415e83d430SRalf Baechlemenu "Kernel type"
12425e83d430SRalf Baechle
12435e83d430SRalf Baechlechoice
12445e83d430SRalf Baechle
12455e83d430SRalf Baechle	prompt "Kernel code model"
12465e83d430SRalf Baechle	help
12475e83d430SRalf Baechle	  You should only select this option if you have a workload that
12485e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
12495e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
12505e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
12515e83d430SRalf Baechle
12525e83d430SRalf Baechleconfig 32BIT
12535e83d430SRalf Baechle	bool "32-bit kernel"
12545e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
12555e83d430SRalf Baechle	select TRAD_SIGNALS
12565e83d430SRalf Baechle	help
12575e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
12585e83d430SRalf Baechleconfig 64BIT
12595e83d430SRalf Baechle	bool "64-bit kernel"
12605e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
12615e83d430SRalf Baechle	help
12625e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
12635e83d430SRalf Baechle
12645e83d430SRalf Baechleendchoice
12655e83d430SRalf Baechle
12661da177e4SLinus Torvaldschoice
12671da177e4SLinus Torvalds	prompt "Kernel page size"
12681da177e4SLinus Torvalds	default PAGE_SIZE_4KB
12691da177e4SLinus Torvalds
12701da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
12711da177e4SLinus Torvalds	bool "4kB"
12721da177e4SLinus Torvalds	help
12731da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
12741da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
12751da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
12761da177e4SLinus Torvalds	 recommended for low memory systems.
12771da177e4SLinus Torvalds
12781da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
12791da177e4SLinus Torvalds	bool "8kB"
12801da177e4SLinus Torvalds	depends on EXPERIMENTAL && CPU_R8000
12811da177e4SLinus Torvalds	help
12821da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
12831da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
12841da177e4SLinus Torvalds	  only on the R8000 processor.  Not that at the time of this writing
12851da177e4SLinus Torvalds	  this option is still high experimental; there are also issues with
12861da177e4SLinus Torvalds	  compatibility of user applications.
12871da177e4SLinus Torvalds
12881da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
12891da177e4SLinus Torvalds	bool "16kB"
1290714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
12911da177e4SLinus Torvalds	help
12921da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
12931da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
1294714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
1295714bfad6SRalf Baechle	  Linux distribution to support this.
12961da177e4SLinus Torvalds
12971da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
12981da177e4SLinus Torvalds	bool "64kB"
12991da177e4SLinus Torvalds	depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
13001da177e4SLinus Torvalds	help
13011da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
13021da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
13031da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
1304714bfad6SRalf Baechle	  writing this option is still high experimental.
13051da177e4SLinus Torvalds
13061da177e4SLinus Torvaldsendchoice
13071da177e4SLinus Torvalds
13081da177e4SLinus Torvaldsconfig BOARD_SCACHE
13091da177e4SLinus Torvalds	bool
13101da177e4SLinus Torvalds
13111da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
13121da177e4SLinus Torvalds	bool
13131da177e4SLinus Torvalds	select BOARD_SCACHE
13141da177e4SLinus Torvalds
13159318c51aSChris Dearman#
13169318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
13179318c51aSChris Dearman#
13189318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
13199318c51aSChris Dearman	bool
13209318c51aSChris Dearman	select BOARD_SCACHE
13219318c51aSChris Dearman
13221da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
13231da177e4SLinus Torvalds	bool
13241da177e4SLinus Torvalds	select BOARD_SCACHE
13251da177e4SLinus Torvalds
13261da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
13271da177e4SLinus Torvalds	bool
13281da177e4SLinus Torvalds	select BOARD_SCACHE
13291da177e4SLinus Torvalds
13301da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
13311da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
13321da177e4SLinus Torvalds	depends on CPU_SB1
13331da177e4SLinus Torvalds	help
13341da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
13351da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
13361da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
13371da177e4SLinus Torvalds
13381da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
1339c8094b53SRalf Baechle	bool
13401da177e4SLinus Torvalds
1341340ee4b9SRalf Baechlechoice
1342340ee4b9SRalf Baechle	prompt "MIPS MT options"
1343f41ae0b2SRalf Baechle
1344f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED
1345f41ae0b2SRalf Baechle	bool "Disable multithreading support."
1346f41ae0b2SRalf Baechle	help
1347f41ae0b2SRalf Baechle	  Use this option if your workload can't take advantage of
1348f41ae0b2SRalf Baechle	  MIPS hardware multithreading support.  On systems that don't have
1349f41ae0b2SRalf Baechle	  the option of an MT-enabled processor this option will be the only
1350f41ae0b2SRalf Baechle	  option in this menu.
1351340ee4b9SRalf Baechle
135259d6ab86SRalf Baechleconfig MIPS_MT_SMP
135359d6ab86SRalf Baechle	bool "Use 1 TC on each available VPE for SMP"
135459d6ab86SRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
135559d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
1356d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
135759d6ab86SRalf Baechle	select CPU_MIPSR2_SRS
135859d6ab86SRalf Baechle	select MIPS_MT
1359f510aa3bSRalf Baechle	select NR_CPUS_DEFAULT_2
136059d6ab86SRalf Baechle	select SMP
136159d6ab86SRalf Baechle	select SYS_SUPPORTS_SMP
136259d6ab86SRalf Baechle	help
136359d6ab86SRalf Baechle	  This is a kernel model which is also known a VSMP or lately
136459d6ab86SRalf Baechle	  has been marketesed into SMVP.
136559d6ab86SRalf Baechle
136641c594abSRalf Baechleconfig MIPS_MT_SMTC
136741c594abSRalf Baechle	bool "SMTC: Use all TCs on all VPEs for SMP"
1368f41ae0b2SRalf Baechle	depends on CPU_MIPS32_R2
1369f41ae0b2SRalf Baechle	#depends on CPU_MIPS64_R2		# once there is hardware ...
1370f41ae0b2SRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
1371f7062ddbSRalf Baechle	select CPU_MIPSR2_IRQ_VI
1372d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
1373f7062ddbSRalf Baechle	select CPU_MIPSR2_SRS
1374f41ae0b2SRalf Baechle	select MIPS_MT
1375130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_8
137641c594abSRalf Baechle	select SMP
137773b76c78SRalf Baechle	select SYS_SUPPORTS_SMP
1378f41ae0b2SRalf Baechle	help
1379f41ae0b2SRalf Baechle	  This is a kernel model which is known a SMTC or lately has been
1380f41ae0b2SRalf Baechle	  marketesed into SMVP.
138141c594abSRalf Baechle
1382340ee4b9SRalf Baechleendchoice
1383340ee4b9SRalf Baechle
1384f41ae0b2SRalf Baechleconfig MIPS_MT
1385f41ae0b2SRalf Baechle	bool
1386f41ae0b2SRalf Baechle
1387f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
1388f41ae0b2SRalf Baechle	bool
1389f41ae0b2SRalf Baechle
1390f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
1391f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
1392f088fc84SRalf Baechle	default y
139307cc0c9eSRalf Baechle	depends on MIPS_MT_SMP || MIPS_MT_SMTC
139407cc0c9eSRalf Baechle
139507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
139607cc0c9eSRalf Baechle	bool "VPE loader support."
139707cc0c9eSRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
139807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
139907cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
140007cc0c9eSRalf Baechle	select CPU_MIPSR2_SRS
140107cc0c9eSRalf Baechle	select MIPS_MT
140207cc0c9eSRalf Baechle	help
140307cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
140407cc0c9eSRalf Baechle	  onto another VPE and running it.
1405f088fc84SRalf Baechle
1406ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY
1407ac8be955SRalf Baechle	bool "Low-latency Dispatch of Deferred SMTC IPIs"
1408619af723SRalf Baechle	depends on MIPS_MT_SMTC && !PREEMPT
1409ac8be955SRalf Baechle	default y
1410ac8be955SRalf Baechle	help
1411ac8be955SRalf Baechle	  SMTC pseudo-interrupts between TCs are deferred and queued
1412ac8be955SRalf Baechle	  if the target TC is interrupt-inhibited (IXMT). In the first
1413ac8be955SRalf Baechle	  SMTC prototypes, these queued IPIs were serviced on return
1414ac8be955SRalf Baechle	  to user mode, or on entry into the kernel idle loop. The
1415ac8be955SRalf Baechle	  INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1416ac8be955SRalf Baechle	  processing, which adds runtime overhead (hence the option to turn
1417ac8be955SRalf Baechle	  it off), but ensures that IPIs are handled promptly even under
1418ac8be955SRalf Baechle	  heavy I/O interrupt load.
1419ac8be955SRalf Baechle
14200db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP
14210db34215SKevin D. Kissell	bool "Use per-TC register bits as backstop for inhibited IM bits"
14220db34215SKevin D. Kissell	depends on MIPS_MT_SMTC
14230db34215SKevin D. Kissell	default y
14240db34215SKevin D. Kissell	help
14250db34215SKevin D. Kissell	  To support multiple TC microthreads acting as "CPUs" within
14260db34215SKevin D. Kissell	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
14270db34215SKevin D. Kissell	  during interrupt handling. To support legacy drivers and interrupt
14280db34215SKevin D. Kissell	  controller management code, SMTC has a "backstop" to track and
14290db34215SKevin D. Kissell	  if necessary restore the interrupt mask. This has some performance
14300db34215SKevin D. Kissell	  impact on interrupt service overhead. Disable it only if you know
14310db34215SKevin D. Kissell	  what you are doing.
14320db34215SKevin D. Kissell
1433f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF
1434f571eff0SKevin D. Kissell	bool "Support IRQ affinity API"
1435f571eff0SKevin D. Kissell	depends on MIPS_MT_SMTC
1436f571eff0SKevin D. Kissell	default n
1437f571eff0SKevin D. Kissell	help
1438f571eff0SKevin D. Kissell	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1439f571eff0SKevin D. Kissell	  for SMTC Linux kernel. Requires platform support, of which
1440f571eff0SKevin D. Kissell	  an example can be found in the MIPS kernel i8259 and Malta
1441f571eff0SKevin D. Kissell	  platform code.  It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1442f571eff0SKevin D. Kissell	  be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1443f571eff0SKevin D. Kissell	  interrupt dispatch, and should be used only if you know what
1444f571eff0SKevin D. Kissell	  you are doing.
1445f571eff0SKevin D. Kissell
1446e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
1447e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
1448e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
1449e01402b1SRalf Baechle	default y
1450e01402b1SRalf Baechle	help
1451e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
1452e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
1453e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
1454e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
1455e01402b1SRalf Baechle
1456e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1457e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
1458e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
1459e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
14605e83d430SRalf Baechle	help
1461e01402b1SRalf Baechle
14622600990eSRalf Baechleconfig MIPS_APSP_KSPD
14632600990eSRalf Baechle	bool "Enable KSPD"
14642600990eSRalf Baechle	depends on MIPS_VPE_APSP_API
14652600990eSRalf Baechle	default y
14662600990eSRalf Baechle	help
14672600990eSRalf Baechle	  KSPD is a kernel daemon that accepts syscall requests from the SP
14682600990eSRalf Baechle	  side, actions them and returns the results. It also handles the
14692600990eSRalf Baechle	  "exit" syscall notifying other kernel modules the SP program is
14702600990eSRalf Baechle	  exiting.  You probably want to say yes here.
14712600990eSRalf Baechle
14721da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS
14731da177e4SLinus Torvalds	bool
14741da177e4SLinus Torvalds	depends on CPU_SB1_PASS_1
14751da177e4SLinus Torvalds	default y
14761da177e4SLinus Torvalds
14771da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
14781da177e4SLinus Torvalds	bool
14791da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
14801da177e4SLinus Torvalds	default y
14811da177e4SLinus Torvalds
14821da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
14831da177e4SLinus Torvalds	bool
14841da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
14851da177e4SLinus Torvalds	default y
14861da177e4SLinus Torvalds
14871da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR
1488d806cb2bSRalf Baechle	bool
14891da177e4SLinus Torvalds
14901da177e4SLinus Torvaldsconfig CPU_HAS_LLSC
1491f7062ddbSRalf Baechle	bool
14921da177e4SLinus Torvalds
14939693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
14949693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
14959693a853SFranck Bui-Huu	bool "Support for the SmartMIPS ASE"
14969693a853SFranck Bui-Huu	help
14979693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
14989693a853SFranck Bui-Huu	  increased security at both hardware and software level for
14999693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
15009693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
15019693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
15029693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
15039693a853SFranck Bui-Huu	  here.
15049693a853SFranck Bui-Huu
15051da177e4SLinus Torvaldsconfig CPU_HAS_WB
1506f7062ddbSRalf Baechle	bool
1507e01402b1SRalf Baechle
15082a21c730SFuxin Zhangconfig 64BIT_CONTEXT
15092a21c730SFuxin Zhang	bool "Save 64bit integer registers"
15102a21c730SFuxin Zhang	depends on 32BIT && CPU_LOONGSON2
15112a21c730SFuxin Zhang	help
15122a21c730SFuxin Zhang	  Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
15132a21c730SFuxin Zhang	  registers can still be accessed as 64bit, mainly for multimedia
15142a21c730SFuxin Zhang	  instructions. We must have all 64bit save/restored to make sure
15152a21c730SFuxin Zhang	  those instructions to get correct result.
15162a21c730SFuxin Zhang
1517f41ae0b2SRalf Baechle#
1518f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
1519f41ae0b2SRalf Baechle#
1520e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
1521f41ae0b2SRalf Baechle	bool
1522e01402b1SRalf Baechle
1523f41ae0b2SRalf Baechle#
1524f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
1525f41ae0b2SRalf Baechle#
1526e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
1527f41ae0b2SRalf Baechle	bool
1528e01402b1SRalf Baechle
1529f41ae0b2SRalf Baechle#
1530f41ae0b2SRalf Baechle# Shadow registers are an R2 feature
1531f41ae0b2SRalf Baechle#
1532e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS
1533f41ae0b2SRalf Baechle	bool
1534e01402b1SRalf Baechle
15351da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
15361da177e4SLinus Torvalds	bool
15371da177e4SLinus Torvalds	depends on !CPU_R3000
15381da177e4SLinus Torvalds	default y
15391da177e4SLinus Torvalds
15401da177e4SLinus Torvalds#
1541797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/:
1542797798c1SRalf Baechle#
1543797798c1SRalf Baechleconfig GENERIC_HARDIRQS
1544797798c1SRalf Baechle	bool
1545797798c1SRalf Baechle	default y
1546797798c1SRalf Baechle
1547797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE
1548797798c1SRalf Baechle	bool
1549797798c1SRalf Baechle	default y
1550797798c1SRalf Baechle
15510d7012a9SIngo Molnarconfig IRQ_PER_CPU
15520d7012a9SIngo Molnar	bool
15530d7012a9SIngo Molnar
1554797798c1SRalf Baechle#
15551da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
15561da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
15571da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
15581da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
15591da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
15601da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
15611da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
15621da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
1563797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1564797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
1565797798c1SRalf Baechle#   support.
15661da177e4SLinus Torvalds#
15671da177e4SLinus Torvaldsconfig HIGHMEM
15681da177e4SLinus Torvalds	bool "High Memory Support"
1569797798c1SRalf Baechle	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1570797798c1SRalf Baechle
1571797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
1572797798c1SRalf Baechle	bool
1573797798c1SRalf Baechle
1574797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
1575797798c1SRalf Baechle	bool
15761da177e4SLinus Torvalds
15779693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
15789693a853SFranck Bui-Huu	bool
15799693a853SFranck Bui-Huu
1580b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
1581b4819b59SYoichi Yuasa	def_bool y
1582b4819b59SYoichi Yuasa	depends on !NUMA
1583b4819b59SYoichi Yuasa
1584d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
1585d8cb4e11SRalf Baechle	bool
1586d8cb4e11SRalf Baechle	default y if SGI_IP27
1587d8cb4e11SRalf Baechle	help
15883dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
1589d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
1590d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
1591d8cb4e11SRalf Baechle	  See <file:Documentation/vm/numa> for more.
1592d8cb4e11SRalf Baechle
1593b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
1594b1c6cd42SAtsushi Nemoto	bool
15957de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
159631473747SAtsushi Nemoto
1597d8cb4e11SRalf Baechleconfig NUMA
1598d8cb4e11SRalf Baechle	bool "NUMA Support"
1599d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
1600d8cb4e11SRalf Baechle	help
1601d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1602d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
1603d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
1604d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
1605d8cb4e11SRalf Baechle	  disabled.
1606d8cb4e11SRalf Baechle
1607d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
1608d8cb4e11SRalf Baechle	bool
1609d8cb4e11SRalf Baechle
1610c80d79d7SYasunori Gotoconfig NODES_SHIFT
1611c80d79d7SYasunori Goto	int
1612c80d79d7SYasunori Goto	default "6"
1613c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
1614c80d79d7SYasunori Goto
1615b4819b59SYoichi Yuasasource "mm/Kconfig"
1616b4819b59SYoichi Yuasa
16171da177e4SLinus Torvaldsconfig SMP
16181da177e4SLinus Torvalds	bool "Multi-Processing support"
1619e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
1620b4b30a5aSRalf Baechle	select IRQ_PER_CPU
1621e73ea273SRalf Baechle	help
16221da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
16231da177e4SLinus Torvalds	  a system with only one CPU, like most personal computers, say N. If
16241da177e4SLinus Torvalds	  you have a system with more than one CPU, say Y.
16251da177e4SLinus Torvalds
16261da177e4SLinus Torvalds	  If you say N here, the kernel will run on single and multiprocessor
16271da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
16281da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
16291da177e4SLinus Torvalds	  singleprocessor machines. On a singleprocessor machine, the kernel
16301da177e4SLinus Torvalds	  will run faster if you say N here.
16311da177e4SLinus Torvalds
16321da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
16331da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
16341da177e4SLinus Torvalds
16351da177e4SLinus Torvalds	  See also the <file:Documentation/smp.txt> and the SMP-HOWTO
16361da177e4SLinus Torvalds	  available at <http://www.tldp.org/docs.html#howto>.
16371da177e4SLinus Torvalds
16381da177e4SLinus Torvalds	  If you don't know what to do here, say N.
16391da177e4SLinus Torvalds
1640e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
1641e73ea273SRalf Baechle	bool
1642e73ea273SRalf Baechle
164372ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1
164472ede9b1SAtsushi Nemoto	bool
164572ede9b1SAtsushi Nemoto
1646130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2
1647130e2fb7SRalf Baechle	bool
1648130e2fb7SRalf Baechle
1649130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
1650130e2fb7SRalf Baechle	bool
1651130e2fb7SRalf Baechle
1652130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
1653130e2fb7SRalf Baechle	bool
1654130e2fb7SRalf Baechle
1655130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
1656130e2fb7SRalf Baechle	bool
1657130e2fb7SRalf Baechle
1658130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
1659130e2fb7SRalf Baechle	bool
1660130e2fb7SRalf Baechle
1661130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
1662130e2fb7SRalf Baechle	bool
1663130e2fb7SRalf Baechle
16641da177e4SLinus Torvaldsconfig NR_CPUS
16651da177e4SLinus Torvalds	int "Maximum number of CPUs (2-64)"
166672ede9b1SAtsushi Nemoto	range 1 64 if NR_CPUS_DEFAULT_1
16671da177e4SLinus Torvalds	depends on SMP
166872ede9b1SAtsushi Nemoto	default "1" if NR_CPUS_DEFAULT_1
1669130e2fb7SRalf Baechle	default "2" if NR_CPUS_DEFAULT_2
1670130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
1671130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
1672130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
1673130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
1674130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
16751da177e4SLinus Torvalds	help
16761da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
16771da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
16781da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
167972ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
168072ede9b1SAtsushi Nemoto	  and 2 for all others.
16811da177e4SLinus Torvalds
16821da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
168372ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
168472ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
168572ede9b1SAtsushi Nemoto	  power of two.
16861da177e4SLinus Torvalds
16871723b4a3SAtsushi Nemoto#
16881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
16891723b4a3SAtsushi Nemoto#
16901723b4a3SAtsushi Nemoto
16911723b4a3SAtsushi Nemotochoice
16921723b4a3SAtsushi Nemoto	prompt "Timer frequency"
16931723b4a3SAtsushi Nemoto	default HZ_250
16941723b4a3SAtsushi Nemoto	help
16951723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
16961723b4a3SAtsushi Nemoto
16971723b4a3SAtsushi Nemoto	config HZ_48
16981723b4a3SAtsushi Nemoto		bool "48 HZ" if SYS_SUPPORTS_48HZ
16991723b4a3SAtsushi Nemoto
17001723b4a3SAtsushi Nemoto	config HZ_100
17011723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
17021723b4a3SAtsushi Nemoto
17031723b4a3SAtsushi Nemoto	config HZ_128
17041723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
17051723b4a3SAtsushi Nemoto
17061723b4a3SAtsushi Nemoto	config HZ_250
17071723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
17081723b4a3SAtsushi Nemoto
17091723b4a3SAtsushi Nemoto	config HZ_256
17101723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
17111723b4a3SAtsushi Nemoto
17121723b4a3SAtsushi Nemoto	config HZ_1000
17131723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
17141723b4a3SAtsushi Nemoto
17151723b4a3SAtsushi Nemoto	config HZ_1024
17161723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
17171723b4a3SAtsushi Nemoto
17181723b4a3SAtsushi Nemotoendchoice
17191723b4a3SAtsushi Nemoto
17201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
17211723b4a3SAtsushi Nemoto	bool
17221723b4a3SAtsushi Nemoto
17231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
17241723b4a3SAtsushi Nemoto	bool
17251723b4a3SAtsushi Nemoto
17261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
17271723b4a3SAtsushi Nemoto	bool
17281723b4a3SAtsushi Nemoto
17291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
17301723b4a3SAtsushi Nemoto	bool
17311723b4a3SAtsushi Nemoto
17321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
17331723b4a3SAtsushi Nemoto	bool
17341723b4a3SAtsushi Nemoto
17351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
17361723b4a3SAtsushi Nemoto	bool
17371723b4a3SAtsushi Nemoto
17381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
17391723b4a3SAtsushi Nemoto	bool
17401723b4a3SAtsushi Nemoto
17411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
17421723b4a3SAtsushi Nemoto	bool
17431723b4a3SAtsushi Nemoto	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
17441723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
17451723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
17461723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
17471723b4a3SAtsushi Nemoto
17481723b4a3SAtsushi Nemotoconfig HZ
17491723b4a3SAtsushi Nemoto	int
17501723b4a3SAtsushi Nemoto	default 48 if HZ_48
17511723b4a3SAtsushi Nemoto	default 100 if HZ_100
17521723b4a3SAtsushi Nemoto	default 128 if HZ_128
17531723b4a3SAtsushi Nemoto	default 250 if HZ_250
17541723b4a3SAtsushi Nemoto	default 256 if HZ_256
17551723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
17561723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
17571723b4a3SAtsushi Nemoto
1758e80de850SRalf Baechlesource "kernel/Kconfig.preempt"
17591da177e4SLinus Torvalds
17601da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE
17611da177e4SLinus Torvalds	bool "Support for large 64-bit configurations"
1762875d43e7SRalf Baechle	depends on CPU_R10000 && 64BIT
17631da177e4SLinus Torvalds	help
17641da177e4SLinus Torvalds	  MIPS R10000 does support a 44 bit / 16TB address space as opposed to
17651da177e4SLinus Torvalds	  previous 64-bit processors which only supported 40 bit / 1TB. If you
17661da177e4SLinus Torvalds	  need processes of more than 1TB virtual address space, say Y here.
17671da177e4SLinus Torvalds	  This will result in additional memory usage, so it is not
17681da177e4SLinus Torvalds	  recommended for normal users.
17691da177e4SLinus Torvalds
1770ea6e942bSAtsushi Nemotoconfig KEXEC
1771ea6e942bSAtsushi Nemoto	bool "Kexec system call (EXPERIMENTAL)"
1772ea6e942bSAtsushi Nemoto	depends on EXPERIMENTAL
1773ea6e942bSAtsushi Nemoto	help
1774ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
1775ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
17763dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
1777ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
1778ea6e942bSAtsushi Nemoto
1779ea6e942bSAtsushi Nemoto	  The name comes from the similiarity to the exec system call.
1780ea6e942bSAtsushi Nemoto
1781ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
1782ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
1783ea6e942bSAtsushi Nemoto	  initially work for you.  It may help to enable device hotplugging
1784ea6e942bSAtsushi Nemoto	  support.  As of this writing the exact hardware interface is
1785ea6e942bSAtsushi Nemoto	  strongly in flux, so no good recommendation can be made.
1786ea6e942bSAtsushi Nemoto
1787ea6e942bSAtsushi Nemotoconfig SECCOMP
1788ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
1789293c5bd1SRalf Baechle	depends on PROC_FS
1790ea6e942bSAtsushi Nemoto	default y
1791ea6e942bSAtsushi Nemoto	help
1792ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
1793ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
1794ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
1795ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
1796ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
1797ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
1798ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
1799ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
1800ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
1801ea6e942bSAtsushi Nemoto
1802ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
1803ea6e942bSAtsushi Nemoto
18045e83d430SRalf Baechleendmenu
18055e83d430SRalf Baechle
18061da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
18071da177e4SLinus Torvalds	bool
18081da177e4SLinus Torvalds	default y
18091da177e4SLinus Torvalds
18101df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
18111df0f0ffSAtsushi Nemoto	bool
18121df0f0ffSAtsushi Nemoto	default y
18131df0f0ffSAtsushi Nemoto
18141df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
18151df0f0ffSAtsushi Nemoto	bool
18161df0f0ffSAtsushi Nemoto	default y
18171df0f0ffSAtsushi Nemoto
1818b6c3539bSRalf Baechlesource "init/Kconfig"
1819b6c3539bSRalf Baechle
18201da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
18211da177e4SLinus Torvalds
18225e83d430SRalf Baechleconfig HW_HAS_EISA
18235e83d430SRalf Baechle	bool
18241da177e4SLinus Torvaldsconfig HW_HAS_PCI
18251da177e4SLinus Torvalds	bool
18261da177e4SLinus Torvalds
18271da177e4SLinus Torvaldsconfig PCI
18281da177e4SLinus Torvalds	bool "Support for PCI controller"
18291da177e4SLinus Torvalds	depends on HW_HAS_PCI
1830abb4ae46SRalf Baechle	select PCI_DOMAINS
18311da177e4SLinus Torvalds	help
18321da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
18331da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
18341da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
18351da177e4SLinus Torvalds	  say Y, otherwise N.
18361da177e4SLinus Torvalds
18371da177e4SLinus Torvalds	  The PCI-HOWTO, available from
18381da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, contains valuable
18391da177e4SLinus Torvalds	  information about which PCI hardware does work under Linux and which
18401da177e4SLinus Torvalds	  doesn't.
18411da177e4SLinus Torvalds
18421da177e4SLinus Torvaldsconfig PCI_DOMAINS
18431da177e4SLinus Torvalds	bool
18441da177e4SLinus Torvalds
18451da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
18461da177e4SLinus Torvalds
18471da177e4SLinus Torvalds#
18481da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
18491da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
18501da177e4SLinus Torvalds# users to choose the right thing ...
18511da177e4SLinus Torvalds#
18521da177e4SLinus Torvaldsconfig ISA
18531da177e4SLinus Torvalds	bool
18541da177e4SLinus Torvalds
18551da177e4SLinus Torvaldsconfig EISA
18561da177e4SLinus Torvalds	bool "EISA support"
18575e83d430SRalf Baechle	depends on HW_HAS_EISA
18581da177e4SLinus Torvalds	select ISA
1859aa414dffSRalf Baechle	select GENERIC_ISA_DMA
18601da177e4SLinus Torvalds	---help---
18611da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
18621da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
18631da177e4SLinus Torvalds
18641da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
18651da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
18661da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
18671da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
18681da177e4SLinus Torvalds
18691da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
18701da177e4SLinus Torvalds
18711da177e4SLinus Torvalds	  Otherwise, say N.
18721da177e4SLinus Torvalds
18731da177e4SLinus Torvaldssource "drivers/eisa/Kconfig"
18741da177e4SLinus Torvalds
18751da177e4SLinus Torvaldsconfig TC
18761da177e4SLinus Torvalds	bool "TURBOchannel support"
18771da177e4SLinus Torvalds	depends on MACH_DECSTATION
18781da177e4SLinus Torvalds	help
18791da177e4SLinus Torvalds	  TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
18801da177e4SLinus Torvalds	  processors.  Documentation on writing device drivers for TurboChannel
18811da177e4SLinus Torvalds	  is available at:
18821da177e4SLinus Torvalds	  <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
18831da177e4SLinus Torvalds
18841da177e4SLinus Torvalds#config ACCESSBUS
18851da177e4SLinus Torvalds#	bool "Access.Bus support"
18861da177e4SLinus Torvalds#	depends on TC
18871da177e4SLinus Torvalds
18881da177e4SLinus Torvaldsconfig MMU
18891da177e4SLinus Torvalds	bool
18901da177e4SLinus Torvalds	default y
18911da177e4SLinus Torvalds
1892de61b542SRalf Baechleconfig PCSPEAKER
1893e5c6c8e4SMichael Neuling	bool
1894e5c6c8e4SMichael Neuling
18951da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
18961da177e4SLinus Torvalds
18971da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig"
18981da177e4SLinus Torvalds
18991da177e4SLinus Torvaldsendmenu
19001da177e4SLinus Torvalds
19011da177e4SLinus Torvaldsmenu "Executable file formats"
19021da177e4SLinus Torvalds
19031da177e4SLinus Torvaldssource "fs/Kconfig.binfmt"
19041da177e4SLinus Torvalds
19051da177e4SLinus Torvaldsconfig TRAD_SIGNALS
19061da177e4SLinus Torvalds	bool
19071da177e4SLinus Torvalds
19081da177e4SLinus Torvaldsconfig BINFMT_IRIX
19091da177e4SLinus Torvalds	bool "Include IRIX binary compatibility"
19105e83d430SRalf Baechle	depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
19111da177e4SLinus Torvalds
19121da177e4SLinus Torvaldsconfig MIPS32_COMPAT
19131da177e4SLinus Torvalds	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1914875d43e7SRalf Baechle	depends on 64BIT
19151da177e4SLinus Torvalds	help
19161da177e4SLinus Torvalds	  Select this option if you want Linux/MIPS 32-bit binary
19171da177e4SLinus Torvalds	  compatibility. Since all software available for Linux/MIPS is
19181da177e4SLinus Torvalds	  currently 32-bit you should say Y here.
19191da177e4SLinus Torvalds
19201da177e4SLinus Torvaldsconfig COMPAT
19211da177e4SLinus Torvalds	bool
19221da177e4SLinus Torvalds	depends on MIPS32_COMPAT
19231da177e4SLinus Torvalds	default y
19241da177e4SLinus Torvalds
192505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
192605e43966SAtsushi Nemoto	bool
192705e43966SAtsushi Nemoto	depends on COMPAT && SYSVIPC
192805e43966SAtsushi Nemoto	default y
192905e43966SAtsushi Nemoto
19301da177e4SLinus Torvaldsconfig MIPS32_O32
19311da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
19321da177e4SLinus Torvalds	depends on MIPS32_COMPAT
19331da177e4SLinus Torvalds	help
19341da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
19351da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
19361da177e4SLinus Torvalds	  existing binaries are in this format.
19371da177e4SLinus Torvalds
19381da177e4SLinus Torvalds	  If unsure, say Y.
19391da177e4SLinus Torvalds
19401da177e4SLinus Torvaldsconfig MIPS32_N32
19411da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
19421da177e4SLinus Torvalds	depends on MIPS32_COMPAT
19431da177e4SLinus Torvalds	help
19441da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
19451da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
19461da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
19471da177e4SLinus Torvalds	  cases.
19481da177e4SLinus Torvalds
19491da177e4SLinus Torvalds	  If unsure, say N.
19501da177e4SLinus Torvalds
19511da177e4SLinus Torvaldsconfig BINFMT_ELF32
19521da177e4SLinus Torvalds	bool
19531da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
19541da177e4SLinus Torvalds
19552116245eSRalf Baechleendmenu
19561da177e4SLinus Torvalds
19572116245eSRalf Baechlemenu "Power management options"
1958952fa954SRodolfo Giometti
19592116245eSRalf Baechlesource "kernel/power/Kconfig"
1960952fa954SRodolfo Giometti
19611da177e4SLinus Torvaldsendmenu
19621da177e4SLinus Torvalds
1963d5950b43SSam Ravnborgsource "net/Kconfig"
1964d5950b43SSam Ravnborg
19651da177e4SLinus Torvaldssource "drivers/Kconfig"
19661da177e4SLinus Torvalds
19671da177e4SLinus Torvaldssource "fs/Kconfig"
19681da177e4SLinus Torvalds
19695e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig"
19705e83d430SRalf Baechle
19711da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug"
19721da177e4SLinus Torvalds
19731da177e4SLinus Torvaldssource "security/Kconfig"
19741da177e4SLinus Torvalds
19751da177e4SLinus Torvaldssource "crypto/Kconfig"
19761da177e4SLinus Torvalds
19771da177e4SLinus Torvaldssource "lib/Kconfig"
1978