xref: /linux/arch/mips/Kconfig (revision 22b1d707ffc99faebd86257ad19d5bb9fc624734)
11da177e4SLinus Torvaldsconfig MIPS
21da177e4SLinus Torvalds	bool
31da177e4SLinus Torvalds	default y
4ec7748b5SSam Ravnborg	select HAVE_IDE
542d4b839SMathieu Desnoyers	select HAVE_OPROFILE
61da177e4SLinus Torvalds	# Horrible source of confusion.  Die, die, die ...
71da177e4SLinus Torvalds	select EMBEDDED
890b02340SRalf Baechle	select RTC_LIB
91da177e4SLinus Torvalds
101da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration"
111da177e4SLinus Torvalds
121da177e4SLinus Torvaldsmenu "Machine selection"
131da177e4SLinus Torvalds
145ac6da66SChristoph Lameterconfig ZONE_DMA
155ac6da66SChristoph Lameter	bool
165ac6da66SChristoph Lameter
175e83d430SRalf Baechlechoice
185e83d430SRalf Baechle	prompt "System type"
195e83d430SRalf Baechle	default SGI_IP22
201da177e4SLinus Torvalds
21c3543e25SYoichi Yuasaconfig MACH_ALCHEMY
22c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
231da177e4SLinus Torvalds
2435189fadSRalf Baechleconfig BASLER_EXCITE
25be91589eSThomas Koeller	bool "Basler eXcite smart camera"
2642f77542SRalf Baechle	select CEVT_R4K
27940f6b48SRalf Baechle	select CSRC_R4K
2835189fadSRalf Baechle	select DMA_COHERENT
2935189fadSRalf Baechle	select HW_HAS_PCI
3035189fadSRalf Baechle	select IRQ_CPU
3135189fadSRalf Baechle	select IRQ_CPU_RM7K
3235189fadSRalf Baechle	select IRQ_CPU_RM9K
33663c3d90Sthomas@koeller.dyndns.org	select MIPS_RM9122
3435189fadSRalf Baechle	select SYS_HAS_CPU_RM9000
3535189fadSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3635189fadSRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
37cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
3835189fadSRalf Baechle	help
3935189fadSRalf Baechle	  The eXcite is a smart camera platform manufactured by
40be91589eSThomas Koeller	  Basler Vision Technologies AG.
4135189fadSRalf Baechle
421c0c13ebSAurelien Jarnoconfig BCM47XX
431c0c13ebSAurelien Jarno	bool "BCM47XX based boards"
4442f77542SRalf Baechle	select CEVT_R4K
45940f6b48SRalf Baechle	select CSRC_R4K
461c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
471c0c13ebSAurelien Jarno	select HW_HAS_PCI
481c0c13ebSAurelien Jarno	select IRQ_CPU
491c0c13ebSAurelien Jarno	select SYS_HAS_CPU_MIPS32_R1
501c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
511c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
521c0c13ebSAurelien Jarno	select SSB
531c0c13ebSAurelien Jarno	select SSB_DRIVER_MIPS
542f02c15aSAurelien Jarno	select SSB_DRIVER_EXTIF
552f02c15aSAurelien Jarno	select SSB_PCICORE_HOSTMODE if PCI
561c0c13ebSAurelien Jarno	select GENERIC_GPIO
5725e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
5825e5fb97SAurelien Jarno	select CFE
591c0c13ebSAurelien Jarno	help
601c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
611c0c13ebSAurelien Jarno
621da177e4SLinus Torvaldsconfig MIPS_COBALT
633fa986faSMartin Michlmayr	bool "Cobalt Server"
6442f77542SRalf Baechle	select CEVT_R4K
65940f6b48SRalf Baechle	select CSRC_R4K
661097c6acSYoichi Yuasa	select CEVT_GT641XX
671da177e4SLinus Torvalds	select DMA_NONCOHERENT
681da177e4SLinus Torvalds	select HW_HAS_PCI
69d865bea4SRalf Baechle	select I8253
701da177e4SLinus Torvalds	select I8259
711da177e4SLinus Torvalds	select IRQ_CPU
72d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
73252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
747cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
750a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
76ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
770e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
785e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
799fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
801da177e4SLinus Torvalds
811da177e4SLinus Torvaldsconfig MACH_DECSTATION
823fa986faSMartin Michlmayr	bool "DECstations"
831da177e4SLinus Torvalds	select BOOT_ELF32
846457d9fcSYoichi Yuasa	select CEVT_DS1287
8542f77542SRalf Baechle	select CEVT_R4K
864247417dSYoichi Yuasa	select CSRC_IOASIC
87940f6b48SRalf Baechle	select CSRC_R4K
8820d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
8920d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
9020d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
911da177e4SLinus Torvalds	select DMA_NONCOHERENT
92d388d685SMaciej W. Rozycki	select NO_IOPORT
931da177e4SLinus Torvalds	select IRQ_CPU
947cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
957cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
96ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
97ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
985e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
991723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
1001723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
1011723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
1025e83d430SRalf Baechle	help
1031da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
1041da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
1051da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
1061da177e4SLinus Torvalds
1071da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
1081da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
1091da177e4SLinus Torvalds
1101da177e4SLinus Torvalds		DECstation 5000/50
1111da177e4SLinus Torvalds		DECstation 5000/150
1121da177e4SLinus Torvalds		DECstation 5000/260
1131da177e4SLinus Torvalds		DECsystem 5900/260
1141da177e4SLinus Torvalds
1151da177e4SLinus Torvalds	  otherwise choose R3000.
1161da177e4SLinus Torvalds
1175e83d430SRalf Baechleconfig MACH_JAZZ
1183fa986faSMartin Michlmayr	bool "Jazz family of machines"
1195e83d430SRalf Baechle	select ARC
1205e83d430SRalf Baechle	select ARC32
1215e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
12242f77542SRalf Baechle	select CEVT_R4K
123940f6b48SRalf Baechle	select CSRC_R4K
124e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1255e83d430SRalf Baechle	select GENERIC_ISA_DMA
126ea202c63SThomas Bogendoerfer	select IRQ_CPU
127d865bea4SRalf Baechle	select I8253
1285e83d430SRalf Baechle	select I8259
1295e83d430SRalf Baechle	select ISA
1307cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
1315e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1325e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1331723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
1349fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
1351da177e4SLinus Torvalds	help
1365e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
1375e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
1385e83d430SRalf Baechle	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
1395e83d430SRalf Baechle	 Olivetti M700-10 workstations.
1405e83d430SRalf Baechle
1411f21d2bdSBrian Murphyconfig LASAT
1421f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
14342f77542SRalf Baechle	select CEVT_R4K
144940f6b48SRalf Baechle	select CSRC_R4K
1451f21d2bdSBrian Murphy	select DMA_NONCOHERENT
1461f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
1471f21d2bdSBrian Murphy	select HW_HAS_PCI
148a5ccfe5cSRalf Baechle	select IRQ_CPU
1491f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
1501f21d2bdSBrian Murphy	select MIPS_NILE4
1511f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
1521f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
1531f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
1541f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
1551f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
1561f21d2bdSBrian Murphy	select GENERIC_HARDIRQS_NO__DO_IRQ
1571f21d2bdSBrian Murphy
158ade299d8SYoichi Yuasaconfig LEMOTE_FULONG
159ade299d8SYoichi Yuasa	bool "Lemote Fulong mini-PC"
160ade299d8SYoichi Yuasa	select ARCH_SPARSEMEM_ENABLE
16142f77542SRalf Baechle	select CEVT_R4K
162940f6b48SRalf Baechle	select CSRC_R4K
163ade299d8SYoichi Yuasa	select SYS_HAS_CPU_LOONGSON2
164ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
165ade299d8SYoichi Yuasa	select BOOT_ELF32
166ade299d8SYoichi Yuasa	select BOARD_SCACHE
167ade299d8SYoichi Yuasa	select HAVE_STD_PC_SERIAL_PORT
168ade299d8SYoichi Yuasa	select HW_HAS_PCI
169ade299d8SYoichi Yuasa	select I8259
170ade299d8SYoichi Yuasa	select ISA
171ade299d8SYoichi Yuasa	select IRQ_CPU
172ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
173ade299d8SYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
174ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
175ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
176ade299d8SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
177ade299d8SYoichi Yuasa	select GENERIC_HARDIRQS_NO__DO_IRQ
17823dd6d35SRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
179ade299d8SYoichi Yuasa	select CPU_HAS_WB
180ade299d8SYoichi Yuasa	help
181ade299d8SYoichi Yuasa	  Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
182ade299d8SYoichi Yuasa	  an FPGA northbridge
183ade299d8SYoichi Yuasa
1841da177e4SLinus Torvaldsconfig MIPS_MALTA
1853fa986faSMartin Michlmayr	bool "MIPS Malta board"
18661ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
1871da177e4SLinus Torvalds	select BOOT_ELF32
188fa71c960SRalf Baechle	select BOOT_RAW
18942f77542SRalf Baechle	select CEVT_R4K
190940f6b48SRalf Baechle	select CSRC_R4K
1911da177e4SLinus Torvalds	select DMA_NONCOHERENT
1921da177e4SLinus Torvalds	select GENERIC_ISA_DMA
193aa414dffSRalf Baechle	select IRQ_CPU
19439b8d525SRalf Baechle	select IRQ_GIC
1951da177e4SLinus Torvalds	select HW_HAS_PCI
196d865bea4SRalf Baechle	select I8253
1971da177e4SLinus Torvalds	select I8259
1985e83d430SRalf Baechle	select MIPS_BOARDS_GEN
1995e83d430SRalf Baechle	select MIPS_BONITO64
2009318c51aSChris Dearman	select MIPS_CPU_SCACHE
201252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
2025e83d430SRalf Baechle	select MIPS_MSC
2031da177e4SLinus Torvalds	select SWAP_IO_SPACE
2047cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
2057cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
2067cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
2077cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
2087cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
20936a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
210ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
211ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
2125e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
2135e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
214f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
2159693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
2161da177e4SLinus Torvalds	help
217f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
2181da177e4SLinus Torvalds	  board.
2191da177e4SLinus Torvalds
220c78cbf49SRalf Baechleconfig MIPS_SIM
2213fa986faSMartin Michlmayr	bool 'MIPS simulator (MIPSsim)'
22242f77542SRalf Baechle	select CEVT_R4K
223940f6b48SRalf Baechle	select CSRC_R4K
224c78cbf49SRalf Baechle	select DMA_NONCOHERENT
22536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
226c78cbf49SRalf Baechle	select IRQ_CPU
2279267a30dSMarc St-Jean	select BOOT_RAW
2287cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
2297cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
23036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
231c78cbf49SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
232c78cbf49SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
233f6e2373aSRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
234c78cbf49SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
235c78cbf49SRalf Baechle	help
236c78cbf49SRalf Baechle	  This option enables support for MIPS Technologies MIPSsim software
237c78cbf49SRalf Baechle	  emulator.
238c78cbf49SRalf Baechle
239ade299d8SYoichi Yuasaconfig MARKEINS
240ade299d8SYoichi Yuasa	bool "NEC EMMA2RH Mark-eins"
24142f77542SRalf Baechle	select CEVT_R4K
242940f6b48SRalf Baechle	select CSRC_R4K
243ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
244ade299d8SYoichi Yuasa	select HW_HAS_PCI
245ade299d8SYoichi Yuasa	select IRQ_CPU
246ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
247ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
248ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
249ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
250ade299d8SYoichi Yuasa	select SYS_HAS_CPU_R5000
251ade299d8SYoichi Yuasa	help
252ade299d8SYoichi Yuasa	  This enables support for the R5432-based NEC Mark-eins
253ade299d8SYoichi Yuasa	  boards with R5500 CPU.
254ade299d8SYoichi Yuasa
2555e83d430SRalf Baechleconfig MACH_VR41XX
25674142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
25742f77542SRalf Baechle	select CEVT_R4K
258940f6b48SRalf Baechle	select CSRC_R4K
2597cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
2609fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
2615e83d430SRalf Baechle
262ade299d8SYoichi Yuasaconfig PNX8550_JBS
263a92b0588SDaniel Laird	bool "NXP PNX8550 based JBS board"
264ade299d8SYoichi Yuasa	select PNX8550
265ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
266ade299d8SYoichi Yuasa
267ade299d8SYoichi Yuasaconfig PNX8550_STB810
268a92b0588SDaniel Laird	bool "NXP PNX8550 based STB810 board"
269ade299d8SYoichi Yuasa	select PNX8550
270ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
271ade299d8SYoichi Yuasa
2729267a30dSMarc St-Jeanconfig PMC_MSP
2739267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
2749267a30dSMarc St-Jean	depends on EXPERIMENTAL
2759267a30dSMarc St-Jean	select DMA_NONCOHERENT
2769267a30dSMarc St-Jean	select SWAP_IO_SPACE
2779267a30dSMarc St-Jean	select NO_EXCEPT_FILL
2789267a30dSMarc St-Jean	select BOOT_RAW
2799267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
2809267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
2819267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
2829267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
2839267a30dSMarc St-Jean	select SYS_SUPPORTS_KGDB
2849267a30dSMarc St-Jean	select IRQ_CPU
2859267a30dSMarc St-Jean	select SERIAL_8250
2869267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
2879267a30dSMarc St-Jean	help
2889267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
2899267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
2909267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
2919267a30dSMarc St-Jean	  a variety of MIPS cores.
2929267a30dSMarc St-Jean
2935e83d430SRalf Baechleconfig PMC_YOSEMITE
2943fa986faSMartin Michlmayr	bool "PMC-Sierra Yosemite eval board"
29542f77542SRalf Baechle	select CEVT_R4K
296940f6b48SRalf Baechle	select CSRC_R4K
2975e83d430SRalf Baechle	select DMA_COHERENT
2985e83d430SRalf Baechle	select HW_HAS_PCI
2995e83d430SRalf Baechle	select IRQ_CPU
3005e83d430SRalf Baechle	select IRQ_CPU_RM7K
3015e83d430SRalf Baechle	select IRQ_CPU_RM9K
3025e83d430SRalf Baechle	select SWAP_IO_SPACE
3037cf8053bSRalf Baechle	select SYS_HAS_CPU_RM9000
30436a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
3055e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3065e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
3075e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
3085e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
309cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
310e73ea273SRalf Baechle	select SYS_SUPPORTS_SMP
3115e83d430SRalf Baechle	help
3125e83d430SRalf Baechle	  Yosemite is an evaluation board for the RM9000x2 processor
3135e83d430SRalf Baechle	  manufactured by PMC-Sierra.
3141da177e4SLinus Torvalds
3151da177e4SLinus Torvaldsconfig SGI_IP22
3163fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
3171da177e4SLinus Torvalds	select ARC
3181da177e4SLinus Torvalds	select ARC32
3191da177e4SLinus Torvalds	select BOOT_ELF32
32042f77542SRalf Baechle	select CEVT_R4K
321940f6b48SRalf Baechle	select CSRC_R4K
322e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
3231da177e4SLinus Torvalds	select DMA_NONCOHERENT
3245e83d430SRalf Baechle	select HW_HAS_EISA
325d865bea4SRalf Baechle	select I8253
32668de4803SThomas Bogendoerfer	select I8259
3271da177e4SLinus Torvalds	select IP22_CPU_SCACHE
3281da177e4SLinus Torvalds	select IRQ_CPU
329aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
330e2defae5SThomas Bogendoerfer	select SGI_HAS_DS1286
331e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
332e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
333e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
334e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
335e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
3361da177e4SLinus Torvalds	select SWAP_IO_SPACE
3377cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3387cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
33936a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
340ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
341ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
3425e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
3431da177e4SLinus Torvalds	help
3441da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
3451da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
3461da177e4SLinus Torvalds	  that runs on these, say Y here.
3471da177e4SLinus Torvalds
3481da177e4SLinus Torvaldsconfig SGI_IP27
3493fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
3501da177e4SLinus Torvalds	select ARC
3511da177e4SLinus Torvalds	select ARC64
3525e83d430SRalf Baechle	select BOOT_ELF64
353e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
3541da177e4SLinus Torvalds	select DMA_IP27
35536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
3561da177e4SLinus Torvalds	select HW_HAS_PCI
357130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
3587cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
359ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
3605e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
361cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
362d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
3631a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
364e77c232cSFranck Bui-Huu	select GENERIC_HARDIRQS_NO__DO_IRQ
3651da177e4SLinus Torvalds	help
3661da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
3671da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
3681da177e4SLinus Torvalds	  here.
3691da177e4SLinus Torvalds
370e2defae5SThomas Bogendoerferconfig SGI_IP28
371e2defae5SThomas Bogendoerfer	bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
372e2defae5SThomas Bogendoerfer	depends on EXPERIMENTAL
373e2defae5SThomas Bogendoerfer	select ARC
374e2defae5SThomas Bogendoerfer	select ARC64
375e2defae5SThomas Bogendoerfer	select BOOT_ELF64
376e2defae5SThomas Bogendoerfer	select CEVT_R4K
377e2defae5SThomas Bogendoerfer	select CSRC_R4K
378e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
379e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
380e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
381e2defae5SThomas Bogendoerfer	select IRQ_CPU
382e2defae5SThomas Bogendoerfer	select HW_HAS_EISA
383e2defae5SThomas Bogendoerfer	select I8253
384e2defae5SThomas Bogendoerfer	select I8259
385e2defae5SThomas Bogendoerfer	select SGI_HAS_DS1286
386e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
387e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
388e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
389e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
390e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
391e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
392e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
393e2defae5SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
394e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
395e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
396e2defae5SThomas Bogendoerfer      help
397e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
398e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
399e2defae5SThomas Bogendoerfer
4001da177e4SLinus Torvaldsconfig SGI_IP32
401cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
4021da177e4SLinus Torvalds	select ARC
4031da177e4SLinus Torvalds	select ARC32
4041da177e4SLinus Torvalds	select BOOT_ELF32
40542f77542SRalf Baechle	select CEVT_R4K
406940f6b48SRalf Baechle	select CSRC_R4K
4071da177e4SLinus Torvalds	select DMA_NONCOHERENT
4081da177e4SLinus Torvalds	select HW_HAS_PCI
409dd67b155SRalf Baechle	select IRQ_CPU
4101da177e4SLinus Torvalds	select R5000_CPU_SCACHE
4111da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
4127cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
4137cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
4147cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
415dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
416ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
4175e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4181da177e4SLinus Torvalds	help
4191da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
4201da177e4SLinus Torvalds
421ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
422ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
4235e83d430SRalf Baechle	depends on EXPERIMENTAL
4245e83d430SRalf Baechle	select BOOT_ELF32
4255e83d430SRalf Baechle	select DMA_COHERENT
4265e83d430SRalf Baechle	select SIBYTE_BCM1120
4275e83d430SRalf Baechle	select SWAP_IO_SPACE
4287cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4295e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4305e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4315e83d430SRalf Baechle
432ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
433ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
4345e83d430SRalf Baechle	depends on EXPERIMENTAL
4355e83d430SRalf Baechle	select BOOT_ELF32
4365e83d430SRalf Baechle	select DMA_COHERENT
4375e83d430SRalf Baechle	select SIBYTE_BCM1120
4385e83d430SRalf Baechle	select SWAP_IO_SPACE
4397cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4405e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4415e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4425e83d430SRalf Baechle
4435e83d430SRalf Baechleconfig SIBYTE_CRHONE
4443fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
4455e83d430SRalf Baechle	depends on EXPERIMENTAL
4465e83d430SRalf Baechle	select BOOT_ELF32
4475e83d430SRalf Baechle	select DMA_COHERENT
4485e83d430SRalf Baechle	select SIBYTE_BCM1125
4495e83d430SRalf Baechle	select SWAP_IO_SPACE
4507cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
4515e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
4525e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
4535e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
4545e83d430SRalf Baechle
455ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
456ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
457ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
458ade299d8SYoichi Yuasa	select BOOT_ELF32
459ade299d8SYoichi Yuasa	select DMA_COHERENT
460ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
461ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
462ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
463ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
464ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
465ade299d8SYoichi Yuasa
466ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
467ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
468ade299d8SYoichi Yuasa	select BOOT_ELF32
469ade299d8SYoichi Yuasa	select DMA_COHERENT
470ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
471ade299d8SYoichi Yuasa	select SIBYTE_SB1250
472ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
473ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
474ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
475ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
476ade299d8SYoichi Yuasa	select SYS_SUPPORTS_KGDB
477ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
478cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
479ade299d8SYoichi Yuasa
480ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
481ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
482ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
483ade299d8SYoichi Yuasa	select BOOT_ELF32
484ade299d8SYoichi Yuasa	select DMA_COHERENT
485ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
486ade299d8SYoichi Yuasa	select SIBYTE_SB1250
487ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
488ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
489ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
490ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
491ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
492ade299d8SYoichi Yuasa
493ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
494ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
495ade299d8SYoichi Yuasa	depends on EXPERIMENTAL
496ade299d8SYoichi Yuasa	select BOOT_ELF32
497ade299d8SYoichi Yuasa	select DMA_COHERENT
498ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_2
499ade299d8SYoichi Yuasa	select SIBYTE_SB1250
500ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
501ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
502ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
503ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
504ade299d8SYoichi Yuasa
505ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
506ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
507ade299d8SYoichi Yuasa	select BOOT_ELF32
508ade299d8SYoichi Yuasa	select DMA_COHERENT
509ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
510ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
511ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
512ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
513ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
514651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
515ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
516cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
517ade299d8SYoichi Yuasa
51814b36af4SThomas Bogendoerferconfig SNI_RM
51914b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
5204a0312fcSThomas Bogendoerfer	select ARC if CPU_LITTLE_ENDIAN
5214a0312fcSThomas Bogendoerfer	select ARC32 if CPU_LITTLE_ENDIAN
522231a35d3SThomas Bogendoerfer	select SNIPROM if CPU_BIG_ENDIAN
5235e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
5245e83d430SRalf Baechle	select BOOT_ELF32
52542f77542SRalf Baechle	select CEVT_R4K
526940f6b48SRalf Baechle	select CSRC_R4K
527e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5285e83d430SRalf Baechle	select DMA_NONCOHERENT
5295e83d430SRalf Baechle	select GENERIC_ISA_DMA
5305e83d430SRalf Baechle	select HW_HAS_EISA
5315e83d430SRalf Baechle	select HW_HAS_PCI
532c066a32aSThomas Bogendoerfer	select IRQ_CPU
533d865bea4SRalf Baechle	select I8253
5345e83d430SRalf Baechle	select I8259
5355e83d430SRalf Baechle	select ISA
5364a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
5377cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
5384a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
539c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
5404a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
54136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
542ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
5435e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5444a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
5455e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
5465e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
5471da177e4SLinus Torvalds	help
54814b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
54914b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
5505e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
5515e83d430SRalf Baechle	  support this machine type.
5521da177e4SLinus Torvalds
5535e83d430SRalf Baechleconfig TOSHIBA_JMR3927
5543fa986faSMartin Michlmayr	bool "Toshiba JMR-TX3927 board"
555229f773eSAtsushi Nemoto	select CEVT_TXX9
5565e83d430SRalf Baechle	select DMA_NONCOHERENT
5575e83d430SRalf Baechle	select HW_HAS_PCI
5585e83d430SRalf Baechle	select MIPS_TX3927
559c87abd75SAtsushi Nemoto	select IRQ_TXX9
5605e83d430SRalf Baechle	select SWAP_IO_SPACE
5617cf8053bSRalf Baechle	select SYS_HAS_CPU_TX39XX
5625e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
5636a2603a2SSergei Shtylyov	select SYS_SUPPORTS_LITTLE_ENDIAN
5645e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
5652127435eSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
5661bd0962eSAtsushi Nemoto	select GPIO_TXX9
5675e83d430SRalf Baechle
5685e83d430SRalf Baechleconfig TOSHIBA_RBTX4927
56908a91283SYoichi Yuasa	bool "Toshiba RBTX49[23]7 board"
57042f77542SRalf Baechle	select CEVT_R4K
571940f6b48SRalf Baechle	select CSRC_R4K
572229f773eSAtsushi Nemoto	select CEVT_TXX9
5735e83d430SRalf Baechle	select DMA_NONCOHERENT
5745e83d430SRalf Baechle	select HAS_TXX9_SERIAL
5755e83d430SRalf Baechle	select HW_HAS_PCI
576c87abd75SAtsushi Nemoto	select IRQ_CPU
577c87abd75SAtsushi Nemoto	select IRQ_TXX9
578c87abd75SAtsushi Nemoto	select I8259 if TOSHIBA_FPCIB0
5795e83d430SRalf Baechle	select SWAP_IO_SPACE
5807cf8053bSRalf Baechle	select SYS_HAS_CPU_TX49XX
5815e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
5825e83d430SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
5836a2603a2SSergei Shtylyov	select SYS_SUPPORTS_LITTLE_ENDIAN
5845e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
585cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
5869fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
5875e83d430SRalf Baechle	help
5885e83d430SRalf Baechle	  This Toshiba board is based on the TX4927 processor. Say Y here to
5895e83d430SRalf Baechle	  support this machine type
5901da177e4SLinus Torvalds
59123fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938
5923fa986faSMartin Michlmayr	bool "Toshiba RBTX4938 board"
59342f77542SRalf Baechle	select CEVT_R4K
594940f6b48SRalf Baechle	select CSRC_R4K
595229f773eSAtsushi Nemoto	select CEVT_TXX9
59623fbee9dSRalf Baechle	select DMA_NONCOHERENT
59723fbee9dSRalf Baechle	select HAS_TXX9_SERIAL
59823fbee9dSRalf Baechle	select HW_HAS_PCI
599c87abd75SAtsushi Nemoto	select IRQ_CPU
600c87abd75SAtsushi Nemoto	select IRQ_TXX9
60123fbee9dSRalf Baechle	select SWAP_IO_SPACE
6027cf8053bSRalf Baechle	select SYS_HAS_CPU_TX49XX
60323fbee9dSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
60423fbee9dSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
60523fbee9dSRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
606cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
6079fd32cfbSAtsushi Nemoto	select GENERIC_HARDIRQS_NO__DO_IRQ
6084cad154bSAtsushi Nemoto	select GPIO_TXX9
60923fbee9dSRalf Baechle	help
61023fbee9dSRalf Baechle	  This Toshiba board is based on the TX4938 processor. Say Y here to
61123fbee9dSRalf Baechle	  support this machine type
61223fbee9dSRalf Baechle
613ade299d8SYoichi Yuasaconfig WR_PPMC
614ade299d8SYoichi Yuasa	bool "Wind River PPMC board"
61542f77542SRalf Baechle	select CEVT_R4K
616940f6b48SRalf Baechle	select CSRC_R4K
617ade299d8SYoichi Yuasa	select IRQ_CPU
618ade299d8SYoichi Yuasa	select BOOT_ELF32
619ade299d8SYoichi Yuasa	select DMA_NONCOHERENT
620ade299d8SYoichi Yuasa	select HW_HAS_PCI
621ade299d8SYoichi Yuasa	select PCI_GT64XXX_PCI0
622ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
623ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS32_R1
624ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS32_R2
625ade299d8SYoichi Yuasa	select SYS_HAS_CPU_MIPS64_R1
626ade299d8SYoichi Yuasa	select SYS_HAS_CPU_NEVADA
627ade299d8SYoichi Yuasa	select SYS_HAS_CPU_RM7000
628ade299d8SYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
629ade299d8SYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
630ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
631ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
632ade299d8SYoichi Yuasa	help
633ade299d8SYoichi Yuasa	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
634ade299d8SYoichi Yuasa	  board, which is based on GT64120 bridge chip.
635ade299d8SYoichi Yuasa
6361da177e4SLinus Torvaldsendchoice
6371da177e4SLinus Torvalds
638c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig"
6399c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig"
6405e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
6411f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
6425e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig"
64329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
64438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
645*22b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
6465e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
64738b18f72SRalf Baechle
6485e83d430SRalf Baechleendmenu
6495e83d430SRalf Baechle
65095c354feSNick Pigginconfig GENERIC_LOCKBREAK
65195c354feSNick Piggin	bool
65295c354feSNick Piggin	default y
65395c354feSNick Piggin	depends on SMP && PREEMPT
65495c354feSNick Piggin
6551da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
6561da177e4SLinus Torvalds	bool
6571da177e4SLinus Torvalds	default y
6581da177e4SLinus Torvalds
6591da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
6601da177e4SLinus Torvalds	bool
6611da177e4SLinus Torvalds
662f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32
663f0d1b0b3SDavid Howells	bool
664f0d1b0b3SDavid Howells	default n
665f0d1b0b3SDavid Howells
666f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64
667f0d1b0b3SDavid Howells	bool
668f0d1b0b3SDavid Howells	default n
669f0d1b0b3SDavid Howells
67000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE
67100a58253SRalf Baechle	bool
67200a58253SRalf Baechle	default y if !MIPS_MT_SMTC
67300a58253SRalf Baechle
6743c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT
6753c9ee7efSAkinobu Mita	bool
6763c9ee7efSAkinobu Mita	default y
6773c9ee7efSAkinobu Mita
6783c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
6793c9ee7efSAkinobu Mita	bool
6803c9ee7efSAkinobu Mita	default y
6813c9ee7efSAkinobu Mita
6821da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
6831da177e4SLinus Torvalds	bool
6841da177e4SLinus Torvalds	default y
6851da177e4SLinus Torvalds
6867bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS
6877bcf7717SRalf Baechle	bool
6887bcf7717SRalf Baechle	default y
6897bcf7717SRalf Baechle
6908db02010SRalf Baechleconfig GENERIC_TIME
6918db02010SRalf Baechle	bool
6928db02010SRalf Baechle	default y
6938db02010SRalf Baechle
694f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE
695f5ff0a28SRalf Baechle	bool
696f5ff0a28SRalf Baechle	default y
697f5ff0a28SRalf Baechle
6981cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER
6991cc89038SAtsushi Nemoto	bool
7001cc89038SAtsushi Nemoto	default y
7011cc89038SAtsushi Nemoto
702e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ
703e77c232cSFranck Bui-Huu	bool
704e77c232cSFranck Bui-Huu	default n
705e77c232cSFranck Bui-Huu
7061da177e4SLinus Torvalds#
7071da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
7081da177e4SLinus Torvalds#
7091da177e4SLinus Torvaldsconfig ARC
7101da177e4SLinus Torvalds	bool
7111da177e4SLinus Torvalds
71261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
71361ed242dSRalf Baechle	bool
71461ed242dSRalf Baechle
7159267a30dSMarc St-Jeanconfig BOOT_RAW
7169267a30dSMarc St-Jean	bool
7179267a30dSMarc St-Jean
718217dd11eSRalf Baechleconfig CEVT_BCM1480
719217dd11eSRalf Baechle	bool
720217dd11eSRalf Baechle
7216457d9fcSYoichi Yuasaconfig CEVT_DS1287
7226457d9fcSYoichi Yuasa	bool
7236457d9fcSYoichi Yuasa
7241097c6acSYoichi Yuasaconfig CEVT_GT641XX
7251097c6acSYoichi Yuasa	bool
7261097c6acSYoichi Yuasa
72742f77542SRalf Baechleconfig CEVT_R4K
72842f77542SRalf Baechle	bool
72942f77542SRalf Baechle
730217dd11eSRalf Baechleconfig CEVT_SB1250
731217dd11eSRalf Baechle	bool
732217dd11eSRalf Baechle
733229f773eSAtsushi Nemotoconfig CEVT_TXX9
734229f773eSAtsushi Nemoto	bool
735229f773eSAtsushi Nemoto
736217dd11eSRalf Baechleconfig CSRC_BCM1480
737217dd11eSRalf Baechle	bool
738217dd11eSRalf Baechle
7394247417dSYoichi Yuasaconfig CSRC_IOASIC
7404247417dSYoichi Yuasa	bool
7414247417dSYoichi Yuasa
742940f6b48SRalf Baechleconfig CSRC_R4K
743940f6b48SRalf Baechle	bool
744940f6b48SRalf Baechle
745217dd11eSRalf Baechleconfig CSRC_SB1250
746217dd11eSRalf Baechle	bool
747217dd11eSRalf Baechle
748a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
749a9aec7feSAtsushi Nemoto	select GENERIC_GPIO
750a9aec7feSAtsushi Nemoto	select HAVE_GPIO_LIB
751a9aec7feSAtsushi Nemoto	bool
752a9aec7feSAtsushi Nemoto
753df78b5c8SAurelien Jarnoconfig CFE
754df78b5c8SAurelien Jarno	bool
755df78b5c8SAurelien Jarno
7561da177e4SLinus Torvaldsconfig DMA_COHERENT
7571da177e4SLinus Torvalds	bool
7581da177e4SLinus Torvalds
7591da177e4SLinus Torvaldsconfig DMA_IP27
7601da177e4SLinus Torvalds	bool
7611da177e4SLinus Torvalds
7621da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
7631da177e4SLinus Torvalds	bool
7644ce588cdSRalf Baechle	select DMA_NEED_PCI_MAP_STATE
7654ce588cdSRalf Baechle
7664ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE
7674ce588cdSRalf Baechle	bool
7681da177e4SLinus Torvalds
7691da177e4SLinus Torvaldsconfig EARLY_PRINTK
77036a88530SRalf Baechle	bool "Early printk" if EMBEDDED && DEBUG_KERNEL
77136a88530SRalf Baechle	depends on SYS_HAS_EARLY_PRINTK
77236a88530SRalf Baechle	default y
77336a88530SRalf Baechle	help
77436a88530SRalf Baechle	  This option enables special console drivers which allow the kernel
77536a88530SRalf Baechle	  to print messages very early in the bootup process.
77636a88530SRalf Baechle
77736a88530SRalf Baechle	  This is useful for kernel debugging when your machine crashes very
778490dcc4dSRobert P. J. Day	  early before the console code is initialized. For normal operation,
779490dcc4dSRobert P. J. Day	  it is not recommended because it looks ugly on some machines and
780490dcc4dSRobert P. J. Day	  doesn't cooperate with an X server. You should normally say N here,
78136a88530SRalf Baechle	  unless you want to debug such a crash.
78236a88530SRalf Baechle
78336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
7841da177e4SLinus Torvalds	bool
7851da177e4SLinus Torvalds
786dbb74540SRalf Baechleconfig HOTPLUG_CPU
787dbb74540SRalf Baechle	bool
788dbb74540SRalf Baechle	default n
789dbb74540SRalf Baechle
7901da177e4SLinus Torvaldsconfig I8259
7911da177e4SLinus Torvalds	bool
7921da177e4SLinus Torvalds
7931da177e4SLinus Torvaldsconfig MIPS_BONITO64
7941da177e4SLinus Torvalds	bool
7951da177e4SLinus Torvalds
7961da177e4SLinus Torvaldsconfig MIPS_MSC
7971da177e4SLinus Torvalds	bool
7981da177e4SLinus Torvalds
7991f21d2bdSBrian Murphyconfig MIPS_NILE4
8001f21d2bdSBrian Murphy	bool
8011f21d2bdSBrian Murphy
8021da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE
8031da177e4SLinus Torvalds	bool
8041da177e4SLinus Torvalds
80539b8d525SRalf Baechleconfig SYNC_R4K
80639b8d525SRalf Baechle	bool
80739b8d525SRalf Baechle
808d388d685SMaciej W. Rozyckiconfig NO_IOPORT
809d388d685SMaciej W. Rozycki	def_bool n
810d388d685SMaciej W. Rozycki
8118313da30SRalf Baechleconfig GENERIC_ISA_DMA
8128313da30SRalf Baechle	bool
8138313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
8148313da30SRalf Baechle
815aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
816aa414dffSRalf Baechle	bool
8178313da30SRalf Baechle	select GENERIC_ISA_DMA
818aa414dffSRalf Baechle
81909663335SYoichi Yuasaconfig GENERIC_GPIO
82009663335SYoichi Yuasa	bool
82109663335SYoichi Yuasa
8225e83d430SRalf Baechle#
8233cb2fcccSMatt LaPlante# Endianess selection.  Sufficiently obscure so many users don't know what to
8245e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
8255e83d430SRalf Baechle# choice statement should be more obvious to the user.
8265e83d430SRalf Baechle#
8275e83d430SRalf Baechlechoice
8285e83d430SRalf Baechle	prompt "Endianess selection"
8291da177e4SLinus Torvalds	help
8301da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
8315e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
8323cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
8335e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
8343dde6ad8SDavid Sterba	  one or the other endianness.
8355e83d430SRalf Baechle
8365e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
8375e83d430SRalf Baechle	bool "Big endian"
8385e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
8395e83d430SRalf Baechle
8405e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
8415e83d430SRalf Baechle	bool "Little endian"
8425e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
8435e83d430SRalf Baechle	help
8445e83d430SRalf Baechle
8455e83d430SRalf Baechleendchoice
8465e83d430SRalf Baechle
8472116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
8482116245eSRalf Baechle	bool
8492116245eSRalf Baechle
8505e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
8515e83d430SRalf Baechle	bool
8525e83d430SRalf Baechle
8535e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
8545e83d430SRalf Baechle	bool
8551da177e4SLinus Torvalds
8561da177e4SLinus Torvaldsconfig IRQ_CPU
8571da177e4SLinus Torvalds	bool
8581da177e4SLinus Torvalds
8591da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
8601da177e4SLinus Torvalds	bool
8611da177e4SLinus Torvalds
8625e83d430SRalf Baechleconfig IRQ_CPU_RM9K
8635e83d430SRalf Baechle	bool
8645e83d430SRalf Baechle
8659267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
8669267a30dSMarc St-Jean	bool
8679267a30dSMarc St-Jean
8689267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
8699267a30dSMarc St-Jean	bool
8709267a30dSMarc St-Jean
8718420fd00SAtsushi Nemotoconfig IRQ_TXX9
8728420fd00SAtsushi Nemoto	bool
8738420fd00SAtsushi Nemoto
874d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
875d5ab1a69SYoichi Yuasa	bool
876d5ab1a69SYoichi Yuasa
87739b8d525SRalf Baechleconfig IRQ_GIC
87839b8d525SRalf Baechle	bool
87939b8d525SRalf Baechle
8801da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN
8811da177e4SLinus Torvalds	bool
8821da177e4SLinus Torvalds
883252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
8841da177e4SLinus Torvalds	bool
8851da177e4SLinus Torvalds
8869267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
8879267a30dSMarc St-Jean	bool
8889267a30dSMarc St-Jean
8891da177e4SLinus Torvaldsconfig MIPS_TX3927
8901da177e4SLinus Torvalds	bool
8911da177e4SLinus Torvalds	select HAS_TXX9_SERIAL
8921da177e4SLinus Torvalds
893663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122
894663c3d90Sthomas@koeller.dyndns.org	bool
895663c3d90Sthomas@koeller.dyndns.org	select SERIAL_RM9000
896663c3d90Sthomas@koeller.dyndns.org
897bdf21b18SPete Popovconfig PNX8550
898bdf21b18SPete Popov	bool
899bdf21b18SPete Popov	select SOC_PNX8550
900bdf21b18SPete Popov
901bdf21b18SPete Popovconfig SOC_PNX8550
902bdf21b18SPete Popov	bool
903bdf21b18SPete Popov	select DMA_NONCOHERENT
904bdf21b18SPete Popov	select HW_HAS_PCI
905b8c2a77cSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
90636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
9077cf8053bSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
908e77c232cSFranck Bui-Huu	select GENERIC_HARDIRQS_NO__DO_IRQ
909cc801077SRalf Baechle	select SYS_SUPPORTS_KGDB
9104ead1681SFlorian Fainelli	select GENERIC_GPIO
911bdf21b18SPete Popov
9121da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
9131da177e4SLinus Torvalds	bool
9141da177e4SLinus Torvalds
915355c471fSdmitry pervushinconfig EMMA2RH
916355c471fSdmitry pervushin	bool
917355c471fSdmitry pervushin	depends on MARKEINS
918355c471fSdmitry pervushin	default y
919355c471fSdmitry pervushin
920663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000
921663c3d90Sthomas@koeller.dyndns.org	bool
922663c3d90Sthomas@koeller.dyndns.org
923e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286
924e2defae5SThomas Bogendoerfer	bool
925e2defae5SThomas Bogendoerfer
926e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
927e2defae5SThomas Bogendoerfer	bool
928e2defae5SThomas Bogendoerfer
929e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
930e2defae5SThomas Bogendoerfer	bool
931e2defae5SThomas Bogendoerfer
932e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
933e2defae5SThomas Bogendoerfer	bool
934e2defae5SThomas Bogendoerfer
935e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
936e2defae5SThomas Bogendoerfer	bool
937e2defae5SThomas Bogendoerfer
938e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
939e2defae5SThomas Bogendoerfer	bool
940e2defae5SThomas Bogendoerfer
941e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
942e2defae5SThomas Bogendoerfer	bool
943e2defae5SThomas Bogendoerfer
9445e83d430SRalf Baechleconfig ARC32
9455e83d430SRalf Baechle	bool
9465e83d430SRalf Baechle
947231a35d3SThomas Bogendoerferconfig SNIPROM
948231a35d3SThomas Bogendoerfer	bool
949231a35d3SThomas Bogendoerfer
9501da177e4SLinus Torvaldsconfig BOOT_ELF32
9511da177e4SLinus Torvalds	bool
9521da177e4SLinus Torvalds
9531da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
9541da177e4SLinus Torvalds	int
95506cf5583SThomas Bogendoerfer	default "4" if MACH_DECSTATION
9567e3297dcSThomas Bogendoerfer	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
9579267a30dSMarc St-Jean	default "4" if PMC_MSP4200_EVAL
9581da177e4SLinus Torvalds	default "5"
9591da177e4SLinus Torvalds
9601da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
9611da177e4SLinus Torvalds	bool
9621da177e4SLinus Torvalds
9631da177e4SLinus Torvaldsconfig ARC_CONSOLE
9641da177e4SLinus Torvalds	bool "ARC console support"
965e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
9661da177e4SLinus Torvalds
9671da177e4SLinus Torvaldsconfig ARC_MEMORY
9681da177e4SLinus Torvalds	bool
96914b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
9701da177e4SLinus Torvalds	default y
9711da177e4SLinus Torvalds
9721da177e4SLinus Torvaldsconfig ARC_PROMLIB
9731da177e4SLinus Torvalds	bool
974e2defae5SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
9751da177e4SLinus Torvalds	default y
9761da177e4SLinus Torvalds
9771da177e4SLinus Torvaldsconfig ARC64
9781da177e4SLinus Torvalds	bool
9791da177e4SLinus Torvalds
9801da177e4SLinus Torvaldsconfig BOOT_ELF64
9811da177e4SLinus Torvalds	bool
9821da177e4SLinus Torvalds
9831da177e4SLinus Torvaldsmenu "CPU selection"
9841da177e4SLinus Torvalds
9851da177e4SLinus Torvaldschoice
9861da177e4SLinus Torvalds	prompt "CPU type"
9871da177e4SLinus Torvalds	default CPU_R4X00
9881da177e4SLinus Torvalds
9892a21c730SFuxin Zhangconfig CPU_LOONGSON2
9902a21c730SFuxin Zhang	bool "Loongson 2"
9912a21c730SFuxin Zhang	depends on SYS_HAS_CPU_LOONGSON2
9922a21c730SFuxin Zhang	select CPU_SUPPORTS_32BIT_KERNEL
9932a21c730SFuxin Zhang	select CPU_SUPPORTS_64BIT_KERNEL
9942a21c730SFuxin Zhang	select CPU_SUPPORTS_HIGHMEM
9952a21c730SFuxin Zhang	help
9962a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
9972a21c730SFuxin Zhang	  with many extensions.
9982a21c730SFuxin Zhang
9996e760c8dSRalf Baechleconfig CPU_MIPS32_R1
10006e760c8dSRalf Baechle	bool "MIPS32 Release 1"
10017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
1002f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10036e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1004797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1005ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
10066e760c8dSRalf Baechle	help
10075e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
10081e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
10091e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
10101e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
10111e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
10121e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
10131e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
10141e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
10151e5f1caaSRalf Baechle	  performance.
10161e5f1caaSRalf Baechle
10171e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
10181e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
10197cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
1020f7062ddbSRalf Baechle	select CPU_HAS_LLSC
10211e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1022797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1023ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
10241e5f1caaSRalf Baechle	help
10255e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
10266e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
10276e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
10286e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
10296e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
10301da177e4SLinus Torvalds
10316e760c8dSRalf Baechleconfig CPU_MIPS64_R1
10326e760c8dSRalf Baechle	bool "MIPS64 Release 1"
10337cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1034f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1035797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1036ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1037ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1038ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
10396e760c8dSRalf Baechle	help
10406e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
10416e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
10426e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
10436e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
10446e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
10451e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
10461e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
10471e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
10481e5f1caaSRalf Baechle	  performance.
10491e5f1caaSRalf Baechle
10501e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
10511e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
10527cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1053f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1054797798c1SRalf Baechle	select CPU_HAS_PREFETCH
10551e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
10561e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1057ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
10581e5f1caaSRalf Baechle	help
10591e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
10601e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
10611e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
10621e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
10631e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
10641da177e4SLinus Torvalds
10651da177e4SLinus Torvaldsconfig CPU_R3000
10661da177e4SLinus Torvalds	bool "R3000"
10677cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1068f7062ddbSRalf Baechle	select CPU_HAS_WB
1069ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1070797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
10711da177e4SLinus Torvalds	help
10721da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
10731da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
10741da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
10751da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
10761da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
10771da177e4SLinus Torvalds	  try to recompile with R3000.
10781da177e4SLinus Torvalds
10791da177e4SLinus Torvaldsconfig CPU_TX39XX
10801da177e4SLinus Torvalds	bool "R39XX"
10817cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1082ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
10831da177e4SLinus Torvalds
10841da177e4SLinus Torvaldsconfig CPU_VR41XX
10851da177e4SLinus Torvalds	bool "R41xx"
10867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1087ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1088ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
10891da177e4SLinus Torvalds	help
10905e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
10911da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
10921da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
10931da177e4SLinus Torvalds	  processor or vice versa.
10941da177e4SLinus Torvalds
10951da177e4SLinus Torvaldsconfig CPU_R4300
10961da177e4SLinus Torvalds	bool "R4300"
10977cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1098f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1099ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1100ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11011da177e4SLinus Torvalds	help
11021da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
11031da177e4SLinus Torvalds
11041da177e4SLinus Torvaldsconfig CPU_R4X00
11051da177e4SLinus Torvalds	bool "R4x00"
11067cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1107f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1108ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1109ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11101da177e4SLinus Torvalds	help
11111da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
11121da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
11131da177e4SLinus Torvalds
11141da177e4SLinus Torvaldsconfig CPU_TX49XX
11151da177e4SLinus Torvalds	bool "R49XX"
11167cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1117f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1118de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1119ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1120ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11211da177e4SLinus Torvalds
11221da177e4SLinus Torvaldsconfig CPU_R5000
11231da177e4SLinus Torvalds	bool "R5000"
11247cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1125f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1126ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1127ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11281da177e4SLinus Torvalds	help
11291da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
11301da177e4SLinus Torvalds
11311da177e4SLinus Torvaldsconfig CPU_R5432
11321da177e4SLinus Torvalds	bool "R5432"
11337cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
1134f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11355e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
11365e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
11371da177e4SLinus Torvalds
11381da177e4SLinus Torvaldsconfig CPU_R6000
11391da177e4SLinus Torvalds	bool "R6000"
1140ed5ba2fbSYoichi Yuasa	depends on EXPERIMENTAL
1141f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11427cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R6000
1143ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
11441da177e4SLinus Torvalds	help
11451da177e4SLinus Torvalds	  MIPS Technologies R6000 and R6000A series processors.  Note these
1146c09b47d8SChris Dearman	  processors are extremely rare and the support for them is incomplete.
11471da177e4SLinus Torvalds
11481da177e4SLinus Torvaldsconfig CPU_NEVADA
11491da177e4SLinus Torvalds	bool "RM52xx"
11507cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1151f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1152ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1153ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11541da177e4SLinus Torvalds	help
11551da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
11561da177e4SLinus Torvalds
11571da177e4SLinus Torvaldsconfig CPU_R8000
11581da177e4SLinus Torvalds	bool "R8000"
1159ed5ba2fbSYoichi Yuasa	depends on EXPERIMENTAL
11607cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
1161f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11625e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1163ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
11641da177e4SLinus Torvalds	help
11651da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
11661da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
11671da177e4SLinus Torvalds
11681da177e4SLinus Torvaldsconfig CPU_R10000
11691da177e4SLinus Torvalds	bool "R10000"
11707cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
1171f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11725e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1173ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1174ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1175797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11761da177e4SLinus Torvalds	help
11771da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
11781da177e4SLinus Torvalds
11791da177e4SLinus Torvaldsconfig CPU_RM7000
11801da177e4SLinus Torvalds	bool "RM7000"
11817cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
1182f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11835e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1184ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1185ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1186797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11871da177e4SLinus Torvalds
11881da177e4SLinus Torvaldsconfig CPU_RM9000
11891da177e4SLinus Torvalds	bool "RM9000"
11907cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM9000
1191f7062ddbSRalf Baechle	select CPU_HAS_LLSC
11925e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1193ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1194ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1195797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
11960004a9dfSRalf Baechle	select WEAK_ORDERING
11971da177e4SLinus Torvalds
11981da177e4SLinus Torvaldsconfig CPU_SB1
11991da177e4SLinus Torvalds	bool "SB1"
12007cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1201f7062ddbSRalf Baechle	select CPU_HAS_LLSC
1202ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1203ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1204797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
12050004a9dfSRalf Baechle	select WEAK_ORDERING
12061da177e4SLinus Torvalds
12071da177e4SLinus Torvaldsendchoice
12081da177e4SLinus Torvalds
12092a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2
12102a21c730SFuxin Zhang	bool
12112a21c730SFuxin Zhang
12127cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
12137cf8053bSRalf Baechle	bool
12147cf8053bSRalf Baechle
12157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
12167cf8053bSRalf Baechle	bool
12177cf8053bSRalf Baechle
12187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
12197cf8053bSRalf Baechle	bool
12207cf8053bSRalf Baechle
12217cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
12227cf8053bSRalf Baechle	bool
12237cf8053bSRalf Baechle
12247cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
12257cf8053bSRalf Baechle	bool
12267cf8053bSRalf Baechle
12277cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
12287cf8053bSRalf Baechle	bool
12297cf8053bSRalf Baechle
12307cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
12317cf8053bSRalf Baechle	bool
12327cf8053bSRalf Baechle
12337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
12347cf8053bSRalf Baechle	bool
12357cf8053bSRalf Baechle
12367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
12377cf8053bSRalf Baechle	bool
12387cf8053bSRalf Baechle
12397cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
12407cf8053bSRalf Baechle	bool
12417cf8053bSRalf Baechle
12427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
12437cf8053bSRalf Baechle	bool
12447cf8053bSRalf Baechle
12457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
12467cf8053bSRalf Baechle	bool
12477cf8053bSRalf Baechle
12487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000
12497cf8053bSRalf Baechle	bool
12507cf8053bSRalf Baechle
12517cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
12527cf8053bSRalf Baechle	bool
12537cf8053bSRalf Baechle
12547cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
12557cf8053bSRalf Baechle	bool
12567cf8053bSRalf Baechle
12577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
12587cf8053bSRalf Baechle	bool
12597cf8053bSRalf Baechle
12607cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
12617cf8053bSRalf Baechle	bool
12627cf8053bSRalf Baechle
12637cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000
12647cf8053bSRalf Baechle	bool
12657cf8053bSRalf Baechle
12667cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
12677cf8053bSRalf Baechle	bool
12687cf8053bSRalf Baechle
126917099b11SRalf Baechle#
127017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
127117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
127217099b11SRalf Baechle#
12730004a9dfSRalf Baechleconfig WEAK_ORDERING
12740004a9dfSRalf Baechle	bool
127517099b11SRalf Baechle
127617099b11SRalf Baechle#
127717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
127817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
127917099b11SRalf Baechle#
128017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
128117099b11SRalf Baechle	bool
12825e83d430SRalf Baechleendmenu
12835e83d430SRalf Baechle
12845e83d430SRalf Baechle#
12855e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
12865e83d430SRalf Baechle#
12875e83d430SRalf Baechleconfig CPU_MIPS32
12885e83d430SRalf Baechle	bool
12895e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
12905e83d430SRalf Baechle
12915e83d430SRalf Baechleconfig CPU_MIPS64
12925e83d430SRalf Baechle	bool
12935e83d430SRalf Baechle	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
12945e83d430SRalf Baechle
12955e83d430SRalf Baechle#
1296c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2
12975e83d430SRalf Baechle#
12985e83d430SRalf Baechleconfig CPU_MIPSR1
12995e83d430SRalf Baechle	bool
13005e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
13015e83d430SRalf Baechle
13025e83d430SRalf Baechleconfig CPU_MIPSR2
13035e83d430SRalf Baechle	bool
13045e83d430SRalf Baechle	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
13055e83d430SRalf Baechle
13065e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
13075e83d430SRalf Baechle	bool
13085e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
13095e83d430SRalf Baechle	bool
13105e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
13115e83d430SRalf Baechle	bool
13125e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
13135e83d430SRalf Baechle	bool
13145e83d430SRalf Baechle
13155e83d430SRalf Baechlemenu "Kernel type"
13165e83d430SRalf Baechle
13175e83d430SRalf Baechlechoice
13185e83d430SRalf Baechle
13195e83d430SRalf Baechle	prompt "Kernel code model"
13205e83d430SRalf Baechle	help
13215e83d430SRalf Baechle	  You should only select this option if you have a workload that
13225e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
13235e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
13245e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
13255e83d430SRalf Baechle
13265e83d430SRalf Baechleconfig 32BIT
13275e83d430SRalf Baechle	bool "32-bit kernel"
13285e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
13295e83d430SRalf Baechle	select TRAD_SIGNALS
13305e83d430SRalf Baechle	help
13315e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
13325e83d430SRalf Baechleconfig 64BIT
13335e83d430SRalf Baechle	bool "64-bit kernel"
13345e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
13355e83d430SRalf Baechle	help
13365e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
13375e83d430SRalf Baechle
13385e83d430SRalf Baechleendchoice
13395e83d430SRalf Baechle
13401da177e4SLinus Torvaldschoice
13411da177e4SLinus Torvalds	prompt "Kernel page size"
13421da177e4SLinus Torvalds	default PAGE_SIZE_4KB
13431da177e4SLinus Torvalds
13441da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
13451da177e4SLinus Torvalds	bool "4kB"
13461da177e4SLinus Torvalds	help
13471da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
13481da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
13491da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
13501da177e4SLinus Torvalds	 recommended for low memory systems.
13511da177e4SLinus Torvalds
13521da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
13531da177e4SLinus Torvalds	bool "8kB"
13541da177e4SLinus Torvalds	depends on EXPERIMENTAL && CPU_R8000
13551da177e4SLinus Torvalds	help
13561da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
13571da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
13581da177e4SLinus Torvalds	  only on the R8000 processor.  Not that at the time of this writing
13591da177e4SLinus Torvalds	  this option is still high experimental; there are also issues with
13601da177e4SLinus Torvalds	  compatibility of user applications.
13611da177e4SLinus Torvalds
13621da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
13631da177e4SLinus Torvalds	bool "16kB"
1364714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
13651da177e4SLinus Torvalds	help
13661da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
13671da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
1368714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
1369714bfad6SRalf Baechle	  Linux distribution to support this.
13701da177e4SLinus Torvalds
13711da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
13721da177e4SLinus Torvalds	bool "64kB"
13731da177e4SLinus Torvalds	depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
13741da177e4SLinus Torvalds	help
13751da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
13761da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
13771da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
1378714bfad6SRalf Baechle	  writing this option is still high experimental.
13791da177e4SLinus Torvalds
13801da177e4SLinus Torvaldsendchoice
13811da177e4SLinus Torvalds
13821da177e4SLinus Torvaldsconfig BOARD_SCACHE
13831da177e4SLinus Torvalds	bool
13841da177e4SLinus Torvalds
13851da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
13861da177e4SLinus Torvalds	bool
13871da177e4SLinus Torvalds	select BOARD_SCACHE
13881da177e4SLinus Torvalds
13899318c51aSChris Dearman#
13909318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
13919318c51aSChris Dearman#
13929318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
13939318c51aSChris Dearman	bool
13949318c51aSChris Dearman	select BOARD_SCACHE
13959318c51aSChris Dearman
13961da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
13971da177e4SLinus Torvalds	bool
13981da177e4SLinus Torvalds	select BOARD_SCACHE
13991da177e4SLinus Torvalds
14001da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
14011da177e4SLinus Torvalds	bool
14021da177e4SLinus Torvalds	select BOARD_SCACHE
14031da177e4SLinus Torvalds
14041da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
14051da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
14061da177e4SLinus Torvalds	depends on CPU_SB1
14071da177e4SLinus Torvalds	help
14081da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
14091da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
14101da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
14111da177e4SLinus Torvalds
14121da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
1413c8094b53SRalf Baechle	bool
14141da177e4SLinus Torvalds
1415340ee4b9SRalf Baechlechoice
1416340ee4b9SRalf Baechle	prompt "MIPS MT options"
1417f41ae0b2SRalf Baechle
1418f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED
1419f41ae0b2SRalf Baechle	bool "Disable multithreading support."
1420f41ae0b2SRalf Baechle	help
1421f41ae0b2SRalf Baechle	  Use this option if your workload can't take advantage of
1422f41ae0b2SRalf Baechle	  MIPS hardware multithreading support.  On systems that don't have
1423f41ae0b2SRalf Baechle	  the option of an MT-enabled processor this option will be the only
1424f41ae0b2SRalf Baechle	  option in this menu.
1425340ee4b9SRalf Baechle
142659d6ab86SRalf Baechleconfig MIPS_MT_SMP
142759d6ab86SRalf Baechle	bool "Use 1 TC on each available VPE for SMP"
142859d6ab86SRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
142959d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
1430d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
143159d6ab86SRalf Baechle	select MIPS_MT
1432f510aa3bSRalf Baechle	select NR_CPUS_DEFAULT_2
143359d6ab86SRalf Baechle	select SMP
14340ab7aefcSRalf Baechle	select SYS_SUPPORTS_SCHED_SMT if SMP
143559d6ab86SRalf Baechle	select SYS_SUPPORTS_SMP
143687353d8aSRalf Baechle	select SMP_UP
143759d6ab86SRalf Baechle	help
143859d6ab86SRalf Baechle	  This is a kernel model which is also known a VSMP or lately
143959d6ab86SRalf Baechle	  has been marketesed into SMVP.
144059d6ab86SRalf Baechle
144141c594abSRalf Baechleconfig MIPS_MT_SMTC
144241c594abSRalf Baechle	bool "SMTC: Use all TCs on all VPEs for SMP"
1443f41ae0b2SRalf Baechle	depends on CPU_MIPS32_R2
1444f41ae0b2SRalf Baechle	#depends on CPU_MIPS64_R2		# once there is hardware ...
1445f41ae0b2SRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
1446ea580401SRalf Baechle	select GENERIC_CLOCKEVENTS_BROADCAST
1447f7062ddbSRalf Baechle	select CPU_MIPSR2_IRQ_VI
1448d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
1449f41ae0b2SRalf Baechle	select MIPS_MT
1450130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_8
145141c594abSRalf Baechle	select SMP
145273b76c78SRalf Baechle	select SYS_SUPPORTS_SMP
145387353d8aSRalf Baechle	select SMP_UP
1454f41ae0b2SRalf Baechle	help
1455f41ae0b2SRalf Baechle	  This is a kernel model which is known a SMTC or lately has been
1456f41ae0b2SRalf Baechle	  marketesed into SMVP.
145741c594abSRalf Baechle
1458340ee4b9SRalf Baechleendchoice
1459340ee4b9SRalf Baechle
1460f41ae0b2SRalf Baechleconfig MIPS_MT
1461f41ae0b2SRalf Baechle	bool
1462f41ae0b2SRalf Baechle
14630ab7aefcSRalf Baechleconfig SCHED_SMT
14640ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
14650ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
14660ab7aefcSRalf Baechle	default n
14670ab7aefcSRalf Baechle	help
14680ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
14690ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
14700ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
14710ab7aefcSRalf Baechle
14720ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
14730ab7aefcSRalf Baechle	bool
14740ab7aefcSRalf Baechle
14750ab7aefcSRalf Baechle
1476f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
1477f41ae0b2SRalf Baechle	bool
1478f41ae0b2SRalf Baechle
1479f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
1480f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
1481f088fc84SRalf Baechle	default y
148207cc0c9eSRalf Baechle	depends on MIPS_MT_SMP || MIPS_MT_SMTC
148307cc0c9eSRalf Baechle
148407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
148507cc0c9eSRalf Baechle	bool "VPE loader support."
148607cc0c9eSRalf Baechle	depends on SYS_SUPPORTS_MULTITHREADING
148707cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
148807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
148907cc0c9eSRalf Baechle	select MIPS_MT
149007cc0c9eSRalf Baechle	help
149107cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
149207cc0c9eSRalf Baechle	  onto another VPE and running it.
1493f088fc84SRalf Baechle
1494ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY
1495ac8be955SRalf Baechle	bool "Low-latency Dispatch of Deferred SMTC IPIs"
1496619af723SRalf Baechle	depends on MIPS_MT_SMTC && !PREEMPT
1497ac8be955SRalf Baechle	default y
1498ac8be955SRalf Baechle	help
1499ac8be955SRalf Baechle	  SMTC pseudo-interrupts between TCs are deferred and queued
1500ac8be955SRalf Baechle	  if the target TC is interrupt-inhibited (IXMT). In the first
1501ac8be955SRalf Baechle	  SMTC prototypes, these queued IPIs were serviced on return
1502ac8be955SRalf Baechle	  to user mode, or on entry into the kernel idle loop. The
1503ac8be955SRalf Baechle	  INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1504ac8be955SRalf Baechle	  processing, which adds runtime overhead (hence the option to turn
1505ac8be955SRalf Baechle	  it off), but ensures that IPIs are handled promptly even under
1506ac8be955SRalf Baechle	  heavy I/O interrupt load.
1507ac8be955SRalf Baechle
15080db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP
15090db34215SKevin D. Kissell	bool "Use per-TC register bits as backstop for inhibited IM bits"
15100db34215SKevin D. Kissell	depends on MIPS_MT_SMTC
15110db34215SKevin D. Kissell	default y
15120db34215SKevin D. Kissell	help
15130db34215SKevin D. Kissell	  To support multiple TC microthreads acting as "CPUs" within
15140db34215SKevin D. Kissell	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
15150db34215SKevin D. Kissell	  during interrupt handling. To support legacy drivers and interrupt
15160db34215SKevin D. Kissell	  controller management code, SMTC has a "backstop" to track and
15170db34215SKevin D. Kissell	  if necessary restore the interrupt mask. This has some performance
15180db34215SKevin D. Kissell	  impact on interrupt service overhead. Disable it only if you know
15190db34215SKevin D. Kissell	  what you are doing.
15200db34215SKevin D. Kissell
1521f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF
1522f571eff0SKevin D. Kissell	bool "Support IRQ affinity API"
1523f571eff0SKevin D. Kissell	depends on MIPS_MT_SMTC
1524f571eff0SKevin D. Kissell	default n
1525f571eff0SKevin D. Kissell	help
1526f571eff0SKevin D. Kissell	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1527f571eff0SKevin D. Kissell	  for SMTC Linux kernel. Requires platform support, of which
1528f571eff0SKevin D. Kissell	  an example can be found in the MIPS kernel i8259 and Malta
1529f571eff0SKevin D. Kissell	  platform code.  It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1530f571eff0SKevin D. Kissell	  be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1531f571eff0SKevin D. Kissell	  interrupt dispatch, and should be used only if you know what
1532f571eff0SKevin D. Kissell	  you are doing.
1533f571eff0SKevin D. Kissell
1534e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
1535e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
1536e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
1537e01402b1SRalf Baechle	default y
1538e01402b1SRalf Baechle	help
1539e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
1540e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
1541e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
1542e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
1543e01402b1SRalf Baechle
1544e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1545e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
1546e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
1547e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
15485e83d430SRalf Baechle	help
1549e01402b1SRalf Baechle
15502600990eSRalf Baechleconfig MIPS_APSP_KSPD
15512600990eSRalf Baechle	bool "Enable KSPD"
15522600990eSRalf Baechle	depends on MIPS_VPE_APSP_API
15532600990eSRalf Baechle	default y
15542600990eSRalf Baechle	help
15552600990eSRalf Baechle	  KSPD is a kernel daemon that accepts syscall requests from the SP
15562600990eSRalf Baechle	  side, actions them and returns the results. It also handles the
15572600990eSRalf Baechle	  "exit" syscall notifying other kernel modules the SP program is
15582600990eSRalf Baechle	  exiting.  You probably want to say yes here.
15592600990eSRalf Baechle
15601da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS
15611da177e4SLinus Torvalds	bool
15621da177e4SLinus Torvalds	depends on CPU_SB1_PASS_1
15631da177e4SLinus Torvalds	default y
15641da177e4SLinus Torvalds
15651da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
15661da177e4SLinus Torvalds	bool
15671da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
15681da177e4SLinus Torvalds	default y
15691da177e4SLinus Torvalds
15701da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
15711da177e4SLinus Torvalds	bool
15721da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
15731da177e4SLinus Torvalds	default y
15741da177e4SLinus Torvalds
15751da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR
1576d806cb2bSRalf Baechle	bool
15771da177e4SLinus Torvalds
15781da177e4SLinus Torvaldsconfig CPU_HAS_LLSC
1579f7062ddbSRalf Baechle	bool
15801da177e4SLinus Torvalds
15819693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
15829693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
15839693a853SFranck Bui-Huu	bool "Support for the SmartMIPS ASE"
15849693a853SFranck Bui-Huu	help
15859693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
15869693a853SFranck Bui-Huu	  increased security at both hardware and software level for
15879693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
15889693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
15899693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
15909693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
15919693a853SFranck Bui-Huu	  here.
15929693a853SFranck Bui-Huu
15931da177e4SLinus Torvaldsconfig CPU_HAS_WB
1594f7062ddbSRalf Baechle	bool
1595e01402b1SRalf Baechle
1596f41ae0b2SRalf Baechle#
1597f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
1598f41ae0b2SRalf Baechle#
1599e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
1600f41ae0b2SRalf Baechle	bool
1601e01402b1SRalf Baechle
1602f41ae0b2SRalf Baechle#
1603f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
1604f41ae0b2SRalf Baechle#
1605e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
1606f41ae0b2SRalf Baechle	bool
1607e01402b1SRalf Baechle
16081da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
16091da177e4SLinus Torvalds	bool
16101da177e4SLinus Torvalds	depends on !CPU_R3000
16111da177e4SLinus Torvalds	default y
16121da177e4SLinus Torvalds
1613ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST
1614ea580401SRalf Baechle	bool
1615ea580401SRalf Baechle
16161da177e4SLinus Torvalds#
161720d60d99SMaciej W. Rozycki# CPU non-features
161820d60d99SMaciej W. Rozycki#
161920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
162020d60d99SMaciej W. Rozycki	bool
162120d60d99SMaciej W. Rozycki
162220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
162320d60d99SMaciej W. Rozycki	bool
162420d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
162520d60d99SMaciej W. Rozycki
162620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
162720d60d99SMaciej W. Rozycki	bool
162820d60d99SMaciej W. Rozycki
162920d60d99SMaciej W. Rozycki#
1630797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/:
1631797798c1SRalf Baechle#
1632797798c1SRalf Baechleconfig GENERIC_HARDIRQS
1633797798c1SRalf Baechle	bool
1634797798c1SRalf Baechle	default y
1635797798c1SRalf Baechle
1636797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE
1637797798c1SRalf Baechle	bool
1638797798c1SRalf Baechle	default y
1639797798c1SRalf Baechle
16400d7012a9SIngo Molnarconfig IRQ_PER_CPU
16410d7012a9SIngo Molnar	bool
16420d7012a9SIngo Molnar
1643797798c1SRalf Baechle#
16441da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
16451da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
16461da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
16471da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
16481da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
16491da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
16501da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
16511da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
1652797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1653797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
1654797798c1SRalf Baechle#   support.
16551da177e4SLinus Torvalds#
16561da177e4SLinus Torvaldsconfig HIGHMEM
16571da177e4SLinus Torvalds	bool "High Memory Support"
1658797798c1SRalf Baechle	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1659797798c1SRalf Baechle
1660797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
1661797798c1SRalf Baechle	bool
1662797798c1SRalf Baechle
1663797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
1664797798c1SRalf Baechle	bool
16651da177e4SLinus Torvalds
16669693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
16679693a853SFranck Bui-Huu	bool
16689693a853SFranck Bui-Huu
1669b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
1670b4819b59SYoichi Yuasa	def_bool y
1671b4819b59SYoichi Yuasa	depends on !NUMA
1672b4819b59SYoichi Yuasa
1673d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
1674d8cb4e11SRalf Baechle	bool
1675d8cb4e11SRalf Baechle	default y if SGI_IP27
1676d8cb4e11SRalf Baechle	help
16773dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
1678d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
1679d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
1680d8cb4e11SRalf Baechle	  See <file:Documentation/vm/numa> for more.
1681d8cb4e11SRalf Baechle
1682cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP
1683cce335aeSRalf Baechle	def_bool y
1684cce335aeSRalf Baechle
1685b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
1686b1c6cd42SAtsushi Nemoto	bool
16877de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
168831473747SAtsushi Nemoto
1689d8cb4e11SRalf Baechleconfig NUMA
1690d8cb4e11SRalf Baechle	bool "NUMA Support"
1691d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
1692d8cb4e11SRalf Baechle	help
1693d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1694d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
1695d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
1696d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
1697d8cb4e11SRalf Baechle	  disabled.
1698d8cb4e11SRalf Baechle
1699d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
1700d8cb4e11SRalf Baechle	bool
1701d8cb4e11SRalf Baechle
1702c80d79d7SYasunori Gotoconfig NODES_SHIFT
1703c80d79d7SYasunori Goto	int
1704c80d79d7SYasunori Goto	default "6"
1705c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
1706c80d79d7SYasunori Goto
1707b4819b59SYoichi Yuasasource "mm/Kconfig"
1708b4819b59SYoichi Yuasa
17091da177e4SLinus Torvaldsconfig SMP
17101da177e4SLinus Torvalds	bool "Multi-Processing support"
1711e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
1712b4b30a5aSRalf Baechle	select IRQ_PER_CPU
1713e73ea273SRalf Baechle	help
17141da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
17151da177e4SLinus Torvalds	  a system with only one CPU, like most personal computers, say N. If
17161da177e4SLinus Torvalds	  you have a system with more than one CPU, say Y.
17171da177e4SLinus Torvalds
17181da177e4SLinus Torvalds	  If you say N here, the kernel will run on single and multiprocessor
17191da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
17201da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
17211da177e4SLinus Torvalds	  singleprocessor machines. On a singleprocessor machine, the kernel
17221da177e4SLinus Torvalds	  will run faster if you say N here.
17231da177e4SLinus Torvalds
17241da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
17251da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
17261da177e4SLinus Torvalds
172703502faaSAdrian Bunk	  See also the SMP-HOWTO available at
172803502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
17291da177e4SLinus Torvalds
17301da177e4SLinus Torvalds	  If you don't know what to do here, say N.
17311da177e4SLinus Torvalds
173287353d8aSRalf Baechleconfig SMP_UP
173387353d8aSRalf Baechle	bool
173487353d8aSRalf Baechle
1735e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
1736e73ea273SRalf Baechle	bool
1737e73ea273SRalf Baechle
173872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1
173972ede9b1SAtsushi Nemoto	bool
174072ede9b1SAtsushi Nemoto
1741130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2
1742130e2fb7SRalf Baechle	bool
1743130e2fb7SRalf Baechle
1744130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
1745130e2fb7SRalf Baechle	bool
1746130e2fb7SRalf Baechle
1747130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
1748130e2fb7SRalf Baechle	bool
1749130e2fb7SRalf Baechle
1750130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
1751130e2fb7SRalf Baechle	bool
1752130e2fb7SRalf Baechle
1753130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
1754130e2fb7SRalf Baechle	bool
1755130e2fb7SRalf Baechle
1756130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
1757130e2fb7SRalf Baechle	bool
1758130e2fb7SRalf Baechle
17591da177e4SLinus Torvaldsconfig NR_CPUS
17601da177e4SLinus Torvalds	int "Maximum number of CPUs (2-64)"
176172ede9b1SAtsushi Nemoto	range 1 64 if NR_CPUS_DEFAULT_1
17621da177e4SLinus Torvalds	depends on SMP
176372ede9b1SAtsushi Nemoto	default "1" if NR_CPUS_DEFAULT_1
1764130e2fb7SRalf Baechle	default "2" if NR_CPUS_DEFAULT_2
1765130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
1766130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
1767130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
1768130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
1769130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
17701da177e4SLinus Torvalds	help
17711da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
17721da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
17731da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
177472ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
177572ede9b1SAtsushi Nemoto	  and 2 for all others.
17761da177e4SLinus Torvalds
17771da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
177872ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
177972ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
178072ede9b1SAtsushi Nemoto	  power of two.
17811da177e4SLinus Torvalds
178239b8d525SRalf Baechleconfig MIPS_CMP
178339b8d525SRalf Baechle	bool "MIPS CMP framework support"
178439b8d525SRalf Baechle	depends on SMP
178539b8d525SRalf Baechle	select SYNC_R4K
178639b8d525SRalf Baechle	select SYS_SUPPORTS_SCHED_SMT
178739b8d525SRalf Baechle	select WEAK_ORDERING
178839b8d525SRalf Baechle	default n
178939b8d525SRalf Baechle	help
179039b8d525SRalf Baechle	  This is a placeholder option for the GCMP work. It will need to
179139b8d525SRalf Baechle	  be handled differently...
179239b8d525SRalf Baechle
1793c4eee283SAtsushi Nemotosource "kernel/time/Kconfig"
1794c4eee283SAtsushi Nemoto
17951723b4a3SAtsushi Nemoto#
17961723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
17971723b4a3SAtsushi Nemoto#
17981723b4a3SAtsushi Nemoto
17991723b4a3SAtsushi Nemotochoice
18001723b4a3SAtsushi Nemoto	prompt "Timer frequency"
18011723b4a3SAtsushi Nemoto	default HZ_250
18021723b4a3SAtsushi Nemoto	help
18031723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
18041723b4a3SAtsushi Nemoto
18051723b4a3SAtsushi Nemoto	config HZ_48
18060f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
18071723b4a3SAtsushi Nemoto
18081723b4a3SAtsushi Nemoto	config HZ_100
18091723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
18101723b4a3SAtsushi Nemoto
18111723b4a3SAtsushi Nemoto	config HZ_128
18121723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
18131723b4a3SAtsushi Nemoto
18141723b4a3SAtsushi Nemoto	config HZ_250
18151723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
18161723b4a3SAtsushi Nemoto
18171723b4a3SAtsushi Nemoto	config HZ_256
18181723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
18191723b4a3SAtsushi Nemoto
18201723b4a3SAtsushi Nemoto	config HZ_1000
18211723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
18221723b4a3SAtsushi Nemoto
18231723b4a3SAtsushi Nemoto	config HZ_1024
18241723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
18251723b4a3SAtsushi Nemoto
18261723b4a3SAtsushi Nemotoendchoice
18271723b4a3SAtsushi Nemoto
18281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
18291723b4a3SAtsushi Nemoto	bool
18301723b4a3SAtsushi Nemoto
18311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
18321723b4a3SAtsushi Nemoto	bool
18331723b4a3SAtsushi Nemoto
18341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
18351723b4a3SAtsushi Nemoto	bool
18361723b4a3SAtsushi Nemoto
18371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
18381723b4a3SAtsushi Nemoto	bool
18391723b4a3SAtsushi Nemoto
18401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
18411723b4a3SAtsushi Nemoto	bool
18421723b4a3SAtsushi Nemoto
18431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
18441723b4a3SAtsushi Nemoto	bool
18451723b4a3SAtsushi Nemoto
18461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
18471723b4a3SAtsushi Nemoto	bool
18481723b4a3SAtsushi Nemoto
18491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
18501723b4a3SAtsushi Nemoto	bool
18511723b4a3SAtsushi Nemoto	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
18521723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
18531723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
18541723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
18551723b4a3SAtsushi Nemoto
18561723b4a3SAtsushi Nemotoconfig HZ
18571723b4a3SAtsushi Nemoto	int
18581723b4a3SAtsushi Nemoto	default 48 if HZ_48
18591723b4a3SAtsushi Nemoto	default 100 if HZ_100
18601723b4a3SAtsushi Nemoto	default 128 if HZ_128
18611723b4a3SAtsushi Nemoto	default 250 if HZ_250
18621723b4a3SAtsushi Nemoto	default 256 if HZ_256
18631723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
18641723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
18651723b4a3SAtsushi Nemoto
1866e80de850SRalf Baechlesource "kernel/Kconfig.preempt"
18671da177e4SLinus Torvalds
18681da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE
18691da177e4SLinus Torvalds	bool "Support for large 64-bit configurations"
1870875d43e7SRalf Baechle	depends on CPU_R10000 && 64BIT
18711da177e4SLinus Torvalds	help
18721da177e4SLinus Torvalds	  MIPS R10000 does support a 44 bit / 16TB address space as opposed to
18731da177e4SLinus Torvalds	  previous 64-bit processors which only supported 40 bit / 1TB. If you
18741da177e4SLinus Torvalds	  need processes of more than 1TB virtual address space, say Y here.
18751da177e4SLinus Torvalds	  This will result in additional memory usage, so it is not
18761da177e4SLinus Torvalds	  recommended for normal users.
18771da177e4SLinus Torvalds
1878ea6e942bSAtsushi Nemotoconfig KEXEC
1879ea6e942bSAtsushi Nemoto	bool "Kexec system call (EXPERIMENTAL)"
1880ea6e942bSAtsushi Nemoto	depends on EXPERIMENTAL
1881ea6e942bSAtsushi Nemoto	help
1882ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
1883ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
18843dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
1885ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
1886ea6e942bSAtsushi Nemoto
188701dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
1888ea6e942bSAtsushi Nemoto
1889ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
1890ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
1891ea6e942bSAtsushi Nemoto	  initially work for you.  It may help to enable device hotplugging
1892ea6e942bSAtsushi Nemoto	  support.  As of this writing the exact hardware interface is
1893ea6e942bSAtsushi Nemoto	  strongly in flux, so no good recommendation can be made.
1894ea6e942bSAtsushi Nemoto
1895ea6e942bSAtsushi Nemotoconfig SECCOMP
1896ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
1897293c5bd1SRalf Baechle	depends on PROC_FS
1898ea6e942bSAtsushi Nemoto	default y
1899ea6e942bSAtsushi Nemoto	help
1900ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
1901ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
1902ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
1903ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
1904ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
1905ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
1906ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
1907ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
1908ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
1909ea6e942bSAtsushi Nemoto
1910ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
1911ea6e942bSAtsushi Nemoto
19125e83d430SRalf Baechleendmenu
19135e83d430SRalf Baechle
19141da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
19151da177e4SLinus Torvalds	bool
19161da177e4SLinus Torvalds	default y
19171da177e4SLinus Torvalds
19181df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
19191df0f0ffSAtsushi Nemoto	bool
19201df0f0ffSAtsushi Nemoto	default y
19211df0f0ffSAtsushi Nemoto
19221df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
19231df0f0ffSAtsushi Nemoto	bool
19241df0f0ffSAtsushi Nemoto	default y
19251df0f0ffSAtsushi Nemoto
1926b6c3539bSRalf Baechlesource "init/Kconfig"
1927b6c3539bSRalf Baechle
19281da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
19291da177e4SLinus Torvalds
19305e83d430SRalf Baechleconfig HW_HAS_EISA
19315e83d430SRalf Baechle	bool
19321da177e4SLinus Torvaldsconfig HW_HAS_PCI
19331da177e4SLinus Torvalds	bool
19341da177e4SLinus Torvalds
19351da177e4SLinus Torvaldsconfig PCI
19361da177e4SLinus Torvalds	bool "Support for PCI controller"
19371da177e4SLinus Torvalds	depends on HW_HAS_PCI
1938abb4ae46SRalf Baechle	select PCI_DOMAINS
19391da177e4SLinus Torvalds	help
19401da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
19411da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
19421da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
19431da177e4SLinus Torvalds	  say Y, otherwise N.
19441da177e4SLinus Torvalds
19451da177e4SLinus Torvaldsconfig PCI_DOMAINS
19461da177e4SLinus Torvalds	bool
19471da177e4SLinus Torvalds
19481da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
19491da177e4SLinus Torvalds
19501da177e4SLinus Torvalds#
19511da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
19521da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
19531da177e4SLinus Torvalds# users to choose the right thing ...
19541da177e4SLinus Torvalds#
19551da177e4SLinus Torvaldsconfig ISA
19561da177e4SLinus Torvalds	bool
19571da177e4SLinus Torvalds
19581da177e4SLinus Torvaldsconfig EISA
19591da177e4SLinus Torvalds	bool "EISA support"
19605e83d430SRalf Baechle	depends on HW_HAS_EISA
19611da177e4SLinus Torvalds	select ISA
1962aa414dffSRalf Baechle	select GENERIC_ISA_DMA
19631da177e4SLinus Torvalds	---help---
19641da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
19651da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
19661da177e4SLinus Torvalds
19671da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
19681da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
19691da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
19701da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
19711da177e4SLinus Torvalds
19721da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
19731da177e4SLinus Torvalds
19741da177e4SLinus Torvalds	  Otherwise, say N.
19751da177e4SLinus Torvalds
19761da177e4SLinus Torvaldssource "drivers/eisa/Kconfig"
19771da177e4SLinus Torvalds
19781da177e4SLinus Torvaldsconfig TC
19791da177e4SLinus Torvalds	bool "TURBOchannel support"
19801da177e4SLinus Torvalds	depends on MACH_DECSTATION
19811da177e4SLinus Torvalds	help
19821da177e4SLinus Torvalds	  TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
19831da177e4SLinus Torvalds	  processors.  Documentation on writing device drivers for TurboChannel
19841da177e4SLinus Torvalds	  is available at:
19851da177e4SLinus Torvalds	  <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
19861da177e4SLinus Torvalds
19871da177e4SLinus Torvalds#config ACCESSBUS
19881da177e4SLinus Torvalds#	bool "Access.Bus support"
19891da177e4SLinus Torvalds#	depends on TC
19901da177e4SLinus Torvalds
19911da177e4SLinus Torvaldsconfig MMU
19921da177e4SLinus Torvalds	bool
19931da177e4SLinus Torvalds	default y
19941da177e4SLinus Torvalds
1995d865bea4SRalf Baechleconfig I8253
1996d865bea4SRalf Baechle	bool
1997d865bea4SRalf Baechle
1998cce335aeSRalf Baechleconfig ZONE_DMA32
1999cce335aeSRalf Baechle	bool
2000cce335aeSRalf Baechle
20011da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
20021da177e4SLinus Torvalds
20031da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig"
20041da177e4SLinus Torvalds
20051da177e4SLinus Torvaldsendmenu
20061da177e4SLinus Torvalds
20071da177e4SLinus Torvaldsmenu "Executable file formats"
20081da177e4SLinus Torvalds
20091da177e4SLinus Torvaldssource "fs/Kconfig.binfmt"
20101da177e4SLinus Torvalds
20111da177e4SLinus Torvaldsconfig TRAD_SIGNALS
20121da177e4SLinus Torvalds	bool
20131da177e4SLinus Torvalds
20141da177e4SLinus Torvaldsconfig MIPS32_COMPAT
20151da177e4SLinus Torvalds	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2016875d43e7SRalf Baechle	depends on 64BIT
20171da177e4SLinus Torvalds	help
20181da177e4SLinus Torvalds	  Select this option if you want Linux/MIPS 32-bit binary
20191da177e4SLinus Torvalds	  compatibility. Since all software available for Linux/MIPS is
20201da177e4SLinus Torvalds	  currently 32-bit you should say Y here.
20211da177e4SLinus Torvalds
20221da177e4SLinus Torvaldsconfig COMPAT
20231da177e4SLinus Torvalds	bool
20241da177e4SLinus Torvalds	depends on MIPS32_COMPAT
20251da177e4SLinus Torvalds	default y
20261da177e4SLinus Torvalds
202705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
202805e43966SAtsushi Nemoto	bool
202905e43966SAtsushi Nemoto	depends on COMPAT && SYSVIPC
203005e43966SAtsushi Nemoto	default y
203105e43966SAtsushi Nemoto
20321da177e4SLinus Torvaldsconfig MIPS32_O32
20331da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
20341da177e4SLinus Torvalds	depends on MIPS32_COMPAT
20351da177e4SLinus Torvalds	help
20361da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
20371da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
20381da177e4SLinus Torvalds	  existing binaries are in this format.
20391da177e4SLinus Torvalds
20401da177e4SLinus Torvalds	  If unsure, say Y.
20411da177e4SLinus Torvalds
20421da177e4SLinus Torvaldsconfig MIPS32_N32
20431da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
20441da177e4SLinus Torvalds	depends on MIPS32_COMPAT
20451da177e4SLinus Torvalds	help
20461da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
20471da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
20481da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
20491da177e4SLinus Torvalds	  cases.
20501da177e4SLinus Torvalds
20511da177e4SLinus Torvalds	  If unsure, say N.
20521da177e4SLinus Torvalds
20531da177e4SLinus Torvaldsconfig BINFMT_ELF32
20541da177e4SLinus Torvalds	bool
20551da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
20561da177e4SLinus Torvalds
20572116245eSRalf Baechleendmenu
20581da177e4SLinus Torvalds
20592116245eSRalf Baechlemenu "Power management options"
2060952fa954SRodolfo Giometti
2061f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
2062f4cb5700SJohannes Berg	def_bool y
2063f4cb5700SJohannes Berg	depends on !SMP
2064f4cb5700SJohannes Berg
20652116245eSRalf Baechlesource "kernel/power/Kconfig"
2066952fa954SRodolfo Giometti
20671da177e4SLinus Torvaldsendmenu
20681da177e4SLinus Torvalds
2069d5950b43SSam Ravnborgsource "net/Kconfig"
2070d5950b43SSam Ravnborg
20711da177e4SLinus Torvaldssource "drivers/Kconfig"
20721da177e4SLinus Torvalds
20731da177e4SLinus Torvaldssource "fs/Kconfig"
20741da177e4SLinus Torvalds
20751da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug"
20761da177e4SLinus Torvalds
20771da177e4SLinus Torvaldssource "security/Kconfig"
20781da177e4SLinus Torvalds
20791da177e4SLinus Torvaldssource "crypto/Kconfig"
20801da177e4SLinus Torvalds
20811da177e4SLinus Torvaldssource "lib/Kconfig"
2082