11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2442f77542SRalf Baechle select CEVT_R4K 2535189fadSRalf Baechle select DMA_COHERENT 2635189fadSRalf Baechle select HW_HAS_PCI 2735189fadSRalf Baechle select IRQ_CPU 2835189fadSRalf Baechle select IRQ_CPU_RM7K 2935189fadSRalf Baechle select IRQ_CPU_RM9K 30663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3135189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3235189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3335189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 34cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3535189fadSRalf Baechle help 3635189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 37be91589eSThomas Koeller Basler Vision Technologies AG. 3835189fadSRalf Baechle 3935189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 4035189fadSRalf Baechle bool "Support for pre-release units" 4135189fadSRalf Baechle depends on BASLER_EXCITE 4235189fadSRalf Baechle default n 4335189fadSRalf Baechle help 4435189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4535189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4635189fadSRalf Baechle note that a kernel built with this option selected will not be 4735189fadSRalf Baechle able to run on normal units. 4835189fadSRalf Baechle 491c0c13ebSAurelien Jarnoconfig BCM47XX 501c0c13ebSAurelien Jarno bool "BCM47XX based boards" 5142f77542SRalf Baechle select CEVT_R4K 521c0c13ebSAurelien Jarno select DMA_NONCOHERENT 531c0c13ebSAurelien Jarno select HW_HAS_PCI 541c0c13ebSAurelien Jarno select IRQ_CPU 551c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 561c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 571c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 581c0c13ebSAurelien Jarno select SSB 591c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 601c0c13ebSAurelien Jarno select GENERIC_GPIO 6125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 6225e5fb97SAurelien Jarno select CFE 631c0c13ebSAurelien Jarno help 641c0c13ebSAurelien Jarno Support for BCM47XX based boards 651c0c13ebSAurelien Jarno 661da177e4SLinus Torvaldsconfig MIPS_COBALT 673fa986faSMartin Michlmayr bool "Cobalt Server" 6842f77542SRalf Baechle select CEVT_R4K 691da177e4SLinus Torvalds select DMA_NONCOHERENT 701da177e4SLinus Torvalds select HW_HAS_PCI 71d865bea4SRalf Baechle select I8253 721da177e4SLinus Torvalds select I8259 731da177e4SLinus Torvalds select IRQ_CPU 74d5ab1a69SYoichi Yuasa select IRQ_GT641XX 75252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 767cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 770a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 78ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 79ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 819fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 821da177e4SLinus Torvalds 831da177e4SLinus Torvaldsconfig MACH_DECSTATION 843fa986faSMartin Michlmayr bool "DECstations" 851da177e4SLinus Torvalds select BOOT_ELF32 8642f77542SRalf Baechle select CEVT_R4K 871da177e4SLinus Torvalds select DMA_NONCOHERENT 88d388d685SMaciej W. Rozycki select NO_IOPORT 891da177e4SLinus Torvalds select IRQ_CPU 907cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 917cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 92ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 93ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 945e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 951723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 985e83d430SRalf Baechle help 991da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1001da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1011da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1041da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds DECstation 5000/50 1071da177e4SLinus Torvalds DECstation 5000/150 1081da177e4SLinus Torvalds DECstation 5000/260 1091da177e4SLinus Torvalds DECsystem 5900/260 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds otherwise choose R3000. 1121da177e4SLinus Torvalds 1135e83d430SRalf Baechleconfig MACH_JAZZ 1143fa986faSMartin Michlmayr bool "Jazz family of machines" 1155e83d430SRalf Baechle select ARC 1165e83d430SRalf Baechle select ARC32 1175e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 11842f77542SRalf Baechle select CEVT_R4K 1195e83d430SRalf Baechle select GENERIC_ISA_DMA 120ea202c63SThomas Bogendoerfer select IRQ_CPU 121d865bea4SRalf Baechle select I8253 1225e83d430SRalf Baechle select I8259 1235e83d430SRalf Baechle select ISA 124de61b542SRalf Baechle select PCSPEAKER 1257cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1265e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1275e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1281723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1299fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1301da177e4SLinus Torvalds help 1315e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1325e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1335e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1345e83d430SRalf Baechle Olivetti M700-10 workstations. 1355e83d430SRalf Baechle 1361f21d2bdSBrian Murphyconfig LASAT 1371f21d2bdSBrian Murphy bool "LASAT Networks platforms" 13842f77542SRalf Baechle select CEVT_R4K 1391f21d2bdSBrian Murphy select DMA_NONCOHERENT 1401f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1411f21d2bdSBrian Murphy select HW_HAS_PCI 142a5ccfe5cSRalf Baechle select IRQ_CPU 1431f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1441f21d2bdSBrian Murphy select MIPS_NILE4 1451f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1461f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1471f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1481f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1491f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1501f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1511f21d2bdSBrian Murphy 152ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 153ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 154ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15542f77542SRalf Baechle select CEVT_R4K 156ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 157ade299d8SYoichi Yuasa select DMA_NONCOHERENT 158ade299d8SYoichi Yuasa select BOOT_ELF32 159ade299d8SYoichi Yuasa select BOARD_SCACHE 160ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 161ade299d8SYoichi Yuasa select HW_HAS_PCI 162ade299d8SYoichi Yuasa select I8259 163ade299d8SYoichi Yuasa select ISA 164ade299d8SYoichi Yuasa select IRQ_CPU 165ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 166ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 167ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 168ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 169ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 170ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17123dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 172ade299d8SYoichi Yuasa select CPU_HAS_WB 173ade299d8SYoichi Yuasa help 174ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 175ade299d8SYoichi Yuasa an FPGA northbridge 176ade299d8SYoichi Yuasa 1771da177e4SLinus Torvaldsconfig MIPS_ATLAS 1783fa986faSMartin Michlmayr bool "MIPS Atlas board" 1791da177e4SLinus Torvalds select BOOT_ELF32 18042f77542SRalf Baechle select CEVT_R4K 1811da177e4SLinus Torvalds select DMA_NONCOHERENT 18236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1835e83d430SRalf Baechle select IRQ_CPU 1841da177e4SLinus Torvalds select HW_HAS_PCI 1855e83d430SRalf Baechle select MIPS_BOARDS_GEN 1865e83d430SRalf Baechle select MIPS_BONITO64 187252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1885e83d430SRalf Baechle select MIPS_MSC 189f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1901da177e4SLinus Torvalds select SWAP_IO_SPACE 1917cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1927cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1937cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1947cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1957cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 196ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 197ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1985e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 200f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2019693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 202e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2031da177e4SLinus Torvalds help 204f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2051da177e4SLinus Torvalds board. 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvaldsconfig MIPS_MALTA 2083fa986faSMartin Michlmayr bool "MIPS Malta board" 20961ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2101da177e4SLinus Torvalds select BOOT_ELF32 21142f77542SRalf Baechle select CEVT_R4K 2121da177e4SLinus Torvalds select DMA_NONCOHERENT 2131da177e4SLinus Torvalds select GENERIC_ISA_DMA 214aa414dffSRalf Baechle select IRQ_CPU 2151da177e4SLinus Torvalds select HW_HAS_PCI 216d865bea4SRalf Baechle select I8253 2171da177e4SLinus Torvalds select I8259 2185e83d430SRalf Baechle select MIPS_BOARDS_GEN 2195e83d430SRalf Baechle select MIPS_BONITO64 2209318c51aSChris Dearman select MIPS_CPU_SCACHE 221252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2225e83d430SRalf Baechle select MIPS_MSC 2231da177e4SLinus Torvalds select SWAP_IO_SPACE 2247cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2277cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2287cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 22936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 230ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 231ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 234f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2359693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2361da177e4SLinus Torvalds help 237f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2381da177e4SLinus Torvalds board. 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvaldsconfig MIPS_SEAD 241d98cc84dSRalf Baechle bool "MIPS SEAD board" 24242f77542SRalf Baechle select CEVT_R4K 2431da177e4SLinus Torvalds select IRQ_CPU 2441da177e4SLinus Torvalds select DMA_NONCOHERENT 24536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2465e83d430SRalf Baechle select MIPS_BOARDS_GEN 2477cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2497cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 250ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2515e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2549693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 255f638d197SMaciej W. Rozycki help 256f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 257f638d197SMaciej W. Rozycki board. 2581da177e4SLinus Torvalds 259c78cbf49SRalf Baechleconfig MIPS_SIM 2603fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 26142f77542SRalf Baechle select CEVT_R4K 262c78cbf49SRalf Baechle select DMA_NONCOHERENT 26336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 264c78cbf49SRalf Baechle select IRQ_CPU 2659267a30dSMarc St-Jean select BOOT_RAW 2667cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2677cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 26836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 269c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 270c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 271f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 272c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 273c78cbf49SRalf Baechle help 274c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 275c78cbf49SRalf Baechle emulator. 276c78cbf49SRalf Baechle 277ade299d8SYoichi Yuasaconfig MARKEINS 278ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 27942f77542SRalf Baechle select CEVT_R4K 280ade299d8SYoichi Yuasa select DMA_NONCOHERENT 281ade299d8SYoichi Yuasa select HW_HAS_PCI 282ade299d8SYoichi Yuasa select IRQ_CPU 283ade299d8SYoichi Yuasa select SWAP_IO_SPACE 284ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 285ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 286ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 287ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 288ade299d8SYoichi Yuasa help 289ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 290ade299d8SYoichi Yuasa boards with R5500 CPU. 291ade299d8SYoichi Yuasa 2925e83d430SRalf Baechleconfig MACH_VR41XX 29374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 29442f77542SRalf Baechle select CEVT_R4K 2957cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2969fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2975e83d430SRalf Baechle 298ade299d8SYoichi Yuasaconfig PNX8550_JBS 299ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 300ade299d8SYoichi Yuasa select PNX8550 301ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 302ade299d8SYoichi Yuasa 303ade299d8SYoichi Yuasaconfig PNX8550_STB810 304ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 305ade299d8SYoichi Yuasa select PNX8550 306ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 307ade299d8SYoichi Yuasa 3089267a30dSMarc St-Jeanconfig PMC_MSP 3099267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3109267a30dSMarc St-Jean depends on EXPERIMENTAL 3119267a30dSMarc St-Jean select DMA_NONCOHERENT 3129267a30dSMarc St-Jean select SWAP_IO_SPACE 3139267a30dSMarc St-Jean select NO_EXCEPT_FILL 3149267a30dSMarc St-Jean select BOOT_RAW 3159267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3169267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3179267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3189267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3199267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3209267a30dSMarc St-Jean select IRQ_CPU 3219267a30dSMarc St-Jean select SERIAL_8250 3229267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3239267a30dSMarc St-Jean help 3249267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3259267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3269267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3279267a30dSMarc St-Jean a variety of MIPS cores. 3289267a30dSMarc St-Jean 3295e83d430SRalf Baechleconfig PMC_YOSEMITE 3303fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 33142f77542SRalf Baechle select CEVT_R4K 3325e83d430SRalf Baechle select DMA_COHERENT 3335e83d430SRalf Baechle select HW_HAS_PCI 3345e83d430SRalf Baechle select IRQ_CPU 3355e83d430SRalf Baechle select IRQ_CPU_RM7K 3365e83d430SRalf Baechle select IRQ_CPU_RM9K 3375e83d430SRalf Baechle select SWAP_IO_SPACE 3387cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 33936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3405e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3435e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 344cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 345e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3465e83d430SRalf Baechle help 3475e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3485e83d430SRalf Baechle manufactured by PMC-Sierra. 3491da177e4SLinus Torvalds 35007119621SRalf Baechleconfig QEMU 3513fa986faSMartin Michlmayr bool "Qemu" 35242f77542SRalf Baechle select CEVT_R4K 35307119621SRalf Baechle select DMA_COHERENT 35407119621SRalf Baechle select GENERIC_ISA_DMA 35507119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 356d865bea4SRalf Baechle select I8253 35707119621SRalf Baechle select I8259 3587bcf7717SRalf Baechle select IRQ_CPU 35907119621SRalf Baechle select ISA 360de61b542SRalf Baechle select PCSPEAKER 36107119621SRalf Baechle select SWAP_IO_SPACE 3627cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 36307119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 36407119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 365c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 366b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3679fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 36872ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 36972ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 37007119621SRalf Baechle help 37107119621SRalf Baechle Qemu is a software emulator which among other architectures also 37207119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 37307119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 37407119621SRalf Baechle will eventually be removed again when Qemu has the capability to 37507119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 37607119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 37707119621SRalf Baechle 3781da177e4SLinus Torvaldsconfig SGI_IP22 3793fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3801da177e4SLinus Torvalds select ARC 3811da177e4SLinus Torvalds select ARC32 3821da177e4SLinus Torvalds select BOOT_ELF32 38342f77542SRalf Baechle select CEVT_R4K 3841da177e4SLinus Torvalds select DMA_NONCOHERENT 3855e83d430SRalf Baechle select HW_HAS_EISA 386d865bea4SRalf Baechle select I8253 3871da177e4SLinus Torvalds select IP22_CPU_SCACHE 3881da177e4SLinus Torvalds select IRQ_CPU 389aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3901da177e4SLinus Torvalds select SWAP_IO_SPACE 3917cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3927cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 39336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 394ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 395ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3965e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3971da177e4SLinus Torvalds help 3981da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3991da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4001da177e4SLinus Torvalds that runs on these, say Y here. 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvaldsconfig SGI_IP27 4033fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4041da177e4SLinus Torvalds select ARC 4051da177e4SLinus Torvalds select ARC64 4065e83d430SRalf Baechle select BOOT_ELF64 4071da177e4SLinus Torvalds select DMA_IP27 40836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4091da177e4SLinus Torvalds select HW_HAS_PCI 410130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 412ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 414cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 415d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4161a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 417e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4181da177e4SLinus Torvalds help 4191da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4201da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4211da177e4SLinus Torvalds here. 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvaldsconfig SGI_IP32 424cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4251da177e4SLinus Torvalds select ARC 4261da177e4SLinus Torvalds select ARC32 4271da177e4SLinus Torvalds select BOOT_ELF32 42842f77542SRalf Baechle select CEVT_R4K 4291da177e4SLinus Torvalds select DMA_NONCOHERENT 4301da177e4SLinus Torvalds select HW_HAS_PCI 431dd67b155SRalf Baechle select IRQ_CPU 4321da177e4SLinus Torvalds select R5000_CPU_SCACHE 4331da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4347cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4357cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4367cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 437dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 438ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4401da177e4SLinus Torvalds help 4411da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4421da177e4SLinus Torvalds 443ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 444ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4455e83d430SRalf Baechle depends on EXPERIMENTAL 4465e83d430SRalf Baechle select BOOT_ELF32 4475e83d430SRalf Baechle select DMA_COHERENT 4485e83d430SRalf Baechle select SIBYTE_BCM1120 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_LITTLE_ENDIAN 4535e83d430SRalf Baechle 454ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 455ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4565e83d430SRalf Baechle depends on EXPERIMENTAL 4575e83d430SRalf Baechle select BOOT_ELF32 4585e83d430SRalf Baechle select DMA_COHERENT 4595e83d430SRalf Baechle select SIBYTE_BCM1120 4605e83d430SRalf Baechle select SWAP_IO_SPACE 4617cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4645e83d430SRalf Baechle 4655e83d430SRalf Baechleconfig SIBYTE_CRHONE 4663fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4675e83d430SRalf Baechle depends on EXPERIMENTAL 4685e83d430SRalf Baechle select BOOT_ELF32 4695e83d430SRalf Baechle select DMA_COHERENT 4705e83d430SRalf Baechle select SIBYTE_BCM1125 4715e83d430SRalf Baechle select SWAP_IO_SPACE 4727cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4745e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4765e83d430SRalf Baechle 477ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 478ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 479ade299d8SYoichi Yuasa depends on EXPERIMENTAL 480ade299d8SYoichi Yuasa select BOOT_ELF32 481ade299d8SYoichi Yuasa select DMA_COHERENT 482ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 483ade299d8SYoichi Yuasa select SWAP_IO_SPACE 484ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 485ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 487ade299d8SYoichi Yuasa 488ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 489ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 490ade299d8SYoichi Yuasa select BOOT_ELF32 491ade299d8SYoichi Yuasa select DMA_COHERENT 492ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 493ade299d8SYoichi Yuasa select SIBYTE_SB1250 494ade299d8SYoichi Yuasa select SWAP_IO_SPACE 495ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 496ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 497ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 498ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 500ade299d8SYoichi Yuasa 501ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 502ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 503ade299d8SYoichi Yuasa depends on EXPERIMENTAL 504ade299d8SYoichi Yuasa select BOOT_ELF32 505ade299d8SYoichi Yuasa select DMA_COHERENT 506ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 507ade299d8SYoichi Yuasa select SIBYTE_SB1250 508ade299d8SYoichi Yuasa select SWAP_IO_SPACE 509ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 513ade299d8SYoichi Yuasa 514ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 515ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 516ade299d8SYoichi Yuasa depends on EXPERIMENTAL 517ade299d8SYoichi Yuasa select BOOT_ELF32 518ade299d8SYoichi Yuasa select DMA_COHERENT 519ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 520ade299d8SYoichi Yuasa select SIBYTE_SB1250 521ade299d8SYoichi Yuasa select SWAP_IO_SPACE 522ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 525ade299d8SYoichi Yuasa 526ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 527ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 528ade299d8SYoichi Yuasa depends on EXPERIMENTAL 529ade299d8SYoichi Yuasa select BOOT_ELF32 530ade299d8SYoichi Yuasa select DMA_COHERENT 531ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 532ade299d8SYoichi Yuasa select SIBYTE_SB1250 533ade299d8SYoichi Yuasa select SWAP_IO_SPACE 534ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 535ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 536ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 537ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 538ade299d8SYoichi Yuasa 539ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 540ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 541ade299d8SYoichi Yuasa select BOOT_ELF32 542ade299d8SYoichi Yuasa select DMA_COHERENT 543ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 544ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 545ade299d8SYoichi Yuasa select SWAP_IO_SPACE 546ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 547ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 548ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 549ade299d8SYoichi Yuasa 55014b36af4SThomas Bogendoerferconfig SNI_RM 55114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5524a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5534a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5545e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5555e83d430SRalf Baechle select BOOT_ELF32 55642f77542SRalf Baechle select CEVT_R4K 5575e83d430SRalf Baechle select DMA_NONCOHERENT 5585e83d430SRalf Baechle select GENERIC_ISA_DMA 5595e83d430SRalf Baechle select HW_HAS_EISA 5605e83d430SRalf Baechle select HW_HAS_PCI 561c066a32aSThomas Bogendoerfer select IRQ_CPU 562d865bea4SRalf Baechle select I8253 5635e83d430SRalf Baechle select I8259 5645e83d430SRalf Baechle select ISA 565de61b542SRalf Baechle select PCSPEAKER 5664a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5677cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5684a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 569c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5704a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 57136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 572ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5735e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5744a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5755e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5771da177e4SLinus Torvalds help 57814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 57914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5805e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5815e83d430SRalf Baechle support this machine type. 5821da177e4SLinus Torvalds 5835e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5843fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5855e83d430SRalf Baechle select DMA_NONCOHERENT 5865e83d430SRalf Baechle select HW_HAS_PCI 5875e83d430SRalf Baechle select MIPS_TX3927 588c87abd75SAtsushi Nemoto select IRQ_TXX9 5895e83d430SRalf Baechle select SWAP_IO_SPACE 5907cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5915e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5926a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5935e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5942127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5955e83d430SRalf Baechle 5965e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 59708a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 59842f77542SRalf Baechle select CEVT_R4K 5995e83d430SRalf Baechle select DMA_NONCOHERENT 6005e83d430SRalf Baechle select HAS_TXX9_SERIAL 6015e83d430SRalf Baechle select HW_HAS_PCI 602c87abd75SAtsushi Nemoto select IRQ_CPU 603c87abd75SAtsushi Nemoto select IRQ_TXX9 604c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6055e83d430SRalf Baechle select SWAP_IO_SPACE 6067cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6075e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6085e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6096a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 611cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6129fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6135e83d430SRalf Baechle help 6145e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6155e83d430SRalf Baechle support this machine type 6161da177e4SLinus Torvalds 61723fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6183fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 61942f77542SRalf Baechle select CEVT_R4K 62023fbee9dSRalf Baechle select DMA_NONCOHERENT 62123fbee9dSRalf Baechle select HAS_TXX9_SERIAL 62223fbee9dSRalf Baechle select HW_HAS_PCI 623c87abd75SAtsushi Nemoto select IRQ_CPU 624c87abd75SAtsushi Nemoto select IRQ_TXX9 62523fbee9dSRalf Baechle select SWAP_IO_SPACE 6267cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 62723fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 62823fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 62923fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 630cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6319fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6323896b054SAtsushi Nemoto select GENERIC_GPIO 63323fbee9dSRalf Baechle help 63423fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 63523fbee9dSRalf Baechle support this machine type 63623fbee9dSRalf Baechle 637ade299d8SYoichi Yuasaconfig WR_PPMC 638ade299d8SYoichi Yuasa bool "Wind River PPMC board" 63942f77542SRalf Baechle select CEVT_R4K 640ade299d8SYoichi Yuasa select IRQ_CPU 641ade299d8SYoichi Yuasa select BOOT_ELF32 642ade299d8SYoichi Yuasa select DMA_NONCOHERENT 643ade299d8SYoichi Yuasa select HW_HAS_PCI 644ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 645ade299d8SYoichi Yuasa select SWAP_IO_SPACE 646ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 647ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 648ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 649ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 650ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 651ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 652ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 653ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 654ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 655ade299d8SYoichi Yuasa help 656ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 657ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 658ade299d8SYoichi Yuasa 6591da177e4SLinus Torvaldsendchoice 6601da177e4SLinus Torvalds 661c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6625e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6631f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6645e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 66529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 66638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6675e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 66823fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6695e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 67038b18f72SRalf Baechle 6715e83d430SRalf Baechleendmenu 6725e83d430SRalf Baechle 6731da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6741da177e4SLinus Torvalds bool 6751da177e4SLinus Torvalds default y 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6781da177e4SLinus Torvalds bool 6791da177e4SLinus Torvalds 680f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 681f0d1b0b3SDavid Howells bool 682f0d1b0b3SDavid Howells default n 683f0d1b0b3SDavid Howells 684f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 685f0d1b0b3SDavid Howells bool 686f0d1b0b3SDavid Howells default n 687f0d1b0b3SDavid Howells 6883c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6893c9ee7efSAkinobu Mita bool 6903c9ee7efSAkinobu Mita default y 6913c9ee7efSAkinobu Mita 6923c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6933c9ee7efSAkinobu Mita bool 6943c9ee7efSAkinobu Mita default y 6953c9ee7efSAkinobu Mita 6961da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6971da177e4SLinus Torvalds bool 6981da177e4SLinus Torvalds default y 6991da177e4SLinus Torvalds 7007bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7017bcf7717SRalf Baechle bool 7027bcf7717SRalf Baechle default y 7037bcf7717SRalf Baechle 7048db02010SRalf Baechleconfig GENERIC_TIME 7058db02010SRalf Baechle bool 7068db02010SRalf Baechle default y 7078db02010SRalf Baechle 708f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 709f5ff0a28SRalf Baechle bool 710f5ff0a28SRalf Baechle default y 711f5ff0a28SRalf Baechle 7121cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7131cc89038SAtsushi Nemoto bool 7141cc89038SAtsushi Nemoto default y 7151cc89038SAtsushi Nemoto 716e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 717e77c232cSFranck Bui-Huu bool 718e77c232cSFranck Bui-Huu default n 719e77c232cSFranck Bui-Huu 7201da177e4SLinus Torvalds# 7211da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7221da177e4SLinus Torvalds# 7231da177e4SLinus Torvaldsconfig ARC 7241da177e4SLinus Torvalds bool 7251da177e4SLinus Torvalds 72661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 72761ed242dSRalf Baechle bool 72861ed242dSRalf Baechle 7299267a30dSMarc St-Jeanconfig BOOT_RAW 7309267a30dSMarc St-Jean bool 7319267a30dSMarc St-Jean 73242f77542SRalf Baechleconfig CEVT_R4K 73342f77542SRalf Baechle bool 73442f77542SRalf Baechle 735df78b5c8SAurelien Jarnoconfig CFE 736df78b5c8SAurelien Jarno bool 737df78b5c8SAurelien Jarno 7381da177e4SLinus Torvaldsconfig DMA_COHERENT 7391da177e4SLinus Torvalds bool 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvaldsconfig DMA_IP27 7421da177e4SLinus Torvalds bool 7431da177e4SLinus Torvalds 7444ce588cdSRalf Baechleconfig DMA_IP32 7454ce588cdSRalf Baechle bool 7464ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7474ce588cdSRalf Baechle 7481da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7491da177e4SLinus Torvalds bool 7504ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7514ce588cdSRalf Baechle 7524ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7534ce588cdSRalf Baechle bool 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvaldsconfig EARLY_PRINTK 75636a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 75736a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 75836a88530SRalf Baechle default y 75936a88530SRalf Baechle help 76036a88530SRalf Baechle This option enables special console drivers which allow the kernel 76136a88530SRalf Baechle to print messages very early in the bootup process. 76236a88530SRalf Baechle 76336a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 764490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 765490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 766490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 76736a88530SRalf Baechle unless you want to debug such a crash. 76836a88530SRalf Baechle 76936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7701da177e4SLinus Torvalds bool 7711da177e4SLinus Torvalds 772dbb74540SRalf Baechleconfig HOTPLUG_CPU 773dbb74540SRalf Baechle bool 774dbb74540SRalf Baechle default n 775dbb74540SRalf Baechle 7761da177e4SLinus Torvaldsconfig I8259 7771da177e4SLinus Torvalds bool 7781da177e4SLinus Torvalds 7791da177e4SLinus Torvaldsconfig MIPS_BONITO64 7801da177e4SLinus Torvalds bool 7811da177e4SLinus Torvalds 7821da177e4SLinus Torvaldsconfig MIPS_MSC 7831da177e4SLinus Torvalds bool 7841da177e4SLinus Torvalds 7851f21d2bdSBrian Murphyconfig MIPS_NILE4 7861f21d2bdSBrian Murphy bool 7871f21d2bdSBrian Murphy 7881da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7891da177e4SLinus Torvalds bool 7901da177e4SLinus Torvalds 791d388d685SMaciej W. Rozyckiconfig NO_IOPORT 792d388d685SMaciej W. Rozycki def_bool n 793d388d685SMaciej W. Rozycki 7948313da30SRalf Baechleconfig GENERIC_ISA_DMA 7958313da30SRalf Baechle bool 7968313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7978313da30SRalf Baechle 798aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 799aa414dffSRalf Baechle bool 8008313da30SRalf Baechle select GENERIC_ISA_DMA 801aa414dffSRalf Baechle 80209663335SYoichi Yuasaconfig GENERIC_GPIO 80309663335SYoichi Yuasa bool 80409663335SYoichi Yuasa 8055e83d430SRalf Baechle# 8063cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8075e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8085e83d430SRalf Baechle# choice statement should be more obvious to the user. 8095e83d430SRalf Baechle# 8105e83d430SRalf Baechlechoice 8115e83d430SRalf Baechle prompt "Endianess selection" 8121da177e4SLinus Torvalds help 8131da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8145e83d430SRalf Baechle byte order. These modes require different kernels and a different 8153cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8165e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8173dde6ad8SDavid Sterba one or the other endianness. 8185e83d430SRalf Baechle 8195e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8205e83d430SRalf Baechle bool "Big endian" 8215e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8225e83d430SRalf Baechle 8235e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8245e83d430SRalf Baechle bool "Little endian" 8255e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8265e83d430SRalf Baechle help 8275e83d430SRalf Baechle 8285e83d430SRalf Baechleendchoice 8295e83d430SRalf Baechle 8302116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8312116245eSRalf Baechle bool 8322116245eSRalf Baechle 8335e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8345e83d430SRalf Baechle bool 8355e83d430SRalf Baechle 8365e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8375e83d430SRalf Baechle bool 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvaldsconfig IRQ_CPU 8401da177e4SLinus Torvalds bool 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8431da177e4SLinus Torvalds bool 8441da177e4SLinus Torvalds 8455e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8465e83d430SRalf Baechle bool 8475e83d430SRalf Baechle 8489267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8499267a30dSMarc St-Jean bool 8509267a30dSMarc St-Jean 8519267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8529267a30dSMarc St-Jean bool 8539267a30dSMarc St-Jean 8548420fd00SAtsushi Nemotoconfig IRQ_TXX9 8558420fd00SAtsushi Nemoto bool 8568420fd00SAtsushi Nemoto 857d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 858d5ab1a69SYoichi Yuasa bool 859d5ab1a69SYoichi Yuasa 8601da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8611da177e4SLinus Torvalds bool 8621da177e4SLinus Torvalds 863252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8641da177e4SLinus Torvalds bool 8651da177e4SLinus Torvalds 8669267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8679267a30dSMarc St-Jean bool 8689267a30dSMarc St-Jean 8691da177e4SLinus Torvaldsconfig MIPS_TX3927 8701da177e4SLinus Torvalds bool 8711da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8721da177e4SLinus Torvalds 873663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 874663c3d90Sthomas@koeller.dyndns.org bool 875663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 876663c3d90Sthomas@koeller.dyndns.org 877bdf21b18SPete Popovconfig PNX8550 878bdf21b18SPete Popov bool 879bdf21b18SPete Popov select SOC_PNX8550 880bdf21b18SPete Popov 881bdf21b18SPete Popovconfig SOC_PNX8550 882bdf21b18SPete Popov bool 883bdf21b18SPete Popov select DMA_NONCOHERENT 884bdf21b18SPete Popov select HW_HAS_PCI 885b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8877cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 888e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 889cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8904ead1681SFlorian Fainelli select GENERIC_GPIO 891bdf21b18SPete Popov 8921da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8931da177e4SLinus Torvalds bool 8941da177e4SLinus Torvalds 895355c471fSdmitry pervushinconfig EMMA2RH 896355c471fSdmitry pervushin bool 897355c471fSdmitry pervushin depends on MARKEINS 898355c471fSdmitry pervushin default y 899355c471fSdmitry pervushin 900663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 901663c3d90Sthomas@koeller.dyndns.org bool 902663c3d90Sthomas@koeller.dyndns.org 9035e83d430SRalf Baechleconfig ARC32 9045e83d430SRalf Baechle bool 9055e83d430SRalf Baechle 9061da177e4SLinus Torvaldsconfig BOOT_ELF32 9071da177e4SLinus Torvalds bool 9081da177e4SLinus Torvalds 9091da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9101da177e4SLinus Torvalds int 91106cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 91206cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 9139267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9141da177e4SLinus Torvalds default "5" 9151da177e4SLinus Torvalds 9161da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9171da177e4SLinus Torvalds bool 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvaldsconfig ARC_CONSOLE 9201da177e4SLinus Torvalds bool "ARC console support" 92136a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvaldsconfig ARC_MEMORY 9241da177e4SLinus Torvalds bool 92514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9261da177e4SLinus Torvalds default y 9271da177e4SLinus Torvalds 9281da177e4SLinus Torvaldsconfig ARC_PROMLIB 9291da177e4SLinus Torvalds bool 93014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 9311da177e4SLinus Torvalds default y 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvaldsconfig ARC64 9341da177e4SLinus Torvalds bool 9351da177e4SLinus Torvalds 9361da177e4SLinus Torvaldsconfig BOOT_ELF64 9371da177e4SLinus Torvalds bool 9381da177e4SLinus Torvalds 9391da177e4SLinus Torvaldsmenu "CPU selection" 9401da177e4SLinus Torvalds 9417bcf7717SRalf Baechlesource "kernel/time/Kconfig" 9427bcf7717SRalf Baechle 9431da177e4SLinus Torvaldschoice 9441da177e4SLinus Torvalds prompt "CPU type" 9451da177e4SLinus Torvalds default CPU_R4X00 9461da177e4SLinus Torvalds 9472a21c730SFuxin Zhangconfig CPU_LOONGSON2 9482a21c730SFuxin Zhang bool "Loongson 2" 9492a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9502a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9512a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9522a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9532a21c730SFuxin Zhang help 9542a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9552a21c730SFuxin Zhang with many extensions. 9562a21c730SFuxin Zhang 9576e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9586e760c8dSRalf Baechle bool "MIPS32 Release 1" 9597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 960f7062ddbSRalf Baechle select CPU_HAS_LLSC 9616e760c8dSRalf Baechle select CPU_HAS_PREFETCH 962797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 963ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9646e760c8dSRalf Baechle help 9655e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9661e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9671e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9681e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9691e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9701e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9711e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9721e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9731e5f1caaSRalf Baechle performance. 9741e5f1caaSRalf Baechle 9751e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9761e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9777cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 978f7062ddbSRalf Baechle select CPU_HAS_LLSC 9791e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 980797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 981ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9821e5f1caaSRalf Baechle help 9835e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9846e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9856e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9866e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9876e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9881da177e4SLinus Torvalds 9896e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9906e760c8dSRalf Baechle bool "MIPS64 Release 1" 9917cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 992f7062ddbSRalf Baechle select CPU_HAS_LLSC 993797798c1SRalf Baechle select CPU_HAS_PREFETCH 994ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 995ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 996ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9976e760c8dSRalf Baechle help 9986e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9996e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10006e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10016e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10026e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10031e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10041e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10051e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10061e5f1caaSRalf Baechle performance. 10071e5f1caaSRalf Baechle 10081e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10091e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10107cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1011f7062ddbSRalf Baechle select CPU_HAS_LLSC 1012797798c1SRalf Baechle select CPU_HAS_PREFETCH 10131e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10141e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1015ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10161e5f1caaSRalf Baechle help 10171e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10181e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10191e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10201e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10211e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig CPU_R3000 10241da177e4SLinus Torvalds bool "R3000" 10257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1026f7062ddbSRalf Baechle select CPU_HAS_WB 1027ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1028797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10291da177e4SLinus Torvalds help 10301da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10311da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10321da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10331da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10341da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10351da177e4SLinus Torvalds try to recompile with R3000. 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvaldsconfig CPU_TX39XX 10381da177e4SLinus Torvalds bool "R39XX" 10397cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1040ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvaldsconfig CPU_VR41XX 10431da177e4SLinus Torvalds bool "R41xx" 10447cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1045ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1046ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10471da177e4SLinus Torvalds help 10485e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10491da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10501da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10511da177e4SLinus Torvalds processor or vice versa. 10521da177e4SLinus Torvalds 10531da177e4SLinus Torvaldsconfig CPU_R4300 10541da177e4SLinus Torvalds bool "R4300" 10557cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1056f7062ddbSRalf Baechle select CPU_HAS_LLSC 1057ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1058ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10591da177e4SLinus Torvalds help 10601da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvaldsconfig CPU_R4X00 10631da177e4SLinus Torvalds bool "R4x00" 10647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1065f7062ddbSRalf Baechle select CPU_HAS_LLSC 1066ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10681da177e4SLinus Torvalds help 10691da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10701da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvaldsconfig CPU_TX49XX 10731da177e4SLinus Torvalds bool "R49XX" 10747cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1075f7062ddbSRalf Baechle select CPU_HAS_LLSC 1076de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1077ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1078ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvaldsconfig CPU_R5000 10811da177e4SLinus Torvalds bool "R5000" 10827cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1083f7062ddbSRalf Baechle select CPU_HAS_LLSC 1084ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1085ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10861da177e4SLinus Torvalds help 10871da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10881da177e4SLinus Torvalds 10891da177e4SLinus Torvaldsconfig CPU_R5432 10901da177e4SLinus Torvalds bool "R5432" 10917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1092f7062ddbSRalf Baechle select CPU_HAS_LLSC 10935e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10945e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvaldsconfig CPU_R6000 10971da177e4SLinus Torvalds bool "R6000" 1098ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1099f7062ddbSRalf Baechle select CPU_HAS_LLSC 11007cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1101ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11021da177e4SLinus Torvalds help 11031da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1104c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11051da177e4SLinus Torvalds 11061da177e4SLinus Torvaldsconfig CPU_NEVADA 11071da177e4SLinus Torvalds bool "RM52xx" 11087cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1109f7062ddbSRalf Baechle select CPU_HAS_LLSC 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1111ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11121da177e4SLinus Torvalds help 11131da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11141da177e4SLinus Torvalds 11151da177e4SLinus Torvaldsconfig CPU_R8000 11161da177e4SLinus Torvalds bool "R8000" 1117ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11187cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1119f7062ddbSRalf Baechle select CPU_HAS_LLSC 11205e83d430SRalf Baechle select CPU_HAS_PREFETCH 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11221da177e4SLinus Torvalds help 11231da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11241da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsconfig CPU_R10000 11271da177e4SLinus Torvalds bool "R10000" 11287cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1129f7062ddbSRalf Baechle select CPU_HAS_LLSC 11305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1132ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1133797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11341da177e4SLinus Torvalds help 11351da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11361da177e4SLinus Torvalds 11371da177e4SLinus Torvaldsconfig CPU_RM7000 11381da177e4SLinus Torvalds bool "RM7000" 11397cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1140f7062ddbSRalf Baechle select CPU_HAS_LLSC 11415e83d430SRalf Baechle select CPU_HAS_PREFETCH 1142ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1143ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1144797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11451da177e4SLinus Torvalds 11461da177e4SLinus Torvaldsconfig CPU_RM9000 11471da177e4SLinus Torvalds bool "RM9000" 11487cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1149f7062ddbSRalf Baechle select CPU_HAS_LLSC 11505e83d430SRalf Baechle select CPU_HAS_PREFETCH 1151ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1152ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1153797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11540004a9dfSRalf Baechle select WEAK_ORDERING 11551da177e4SLinus Torvalds 11561da177e4SLinus Torvaldsconfig CPU_SB1 11571da177e4SLinus Torvalds bool "SB1" 11587cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1159f7062ddbSRalf Baechle select CPU_HAS_LLSC 1160ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1161ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1162797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11630004a9dfSRalf Baechle select WEAK_ORDERING 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvaldsendchoice 11661da177e4SLinus Torvalds 11672a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11682a21c730SFuxin Zhang bool 11692a21c730SFuxin Zhang 11707cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11717cf8053bSRalf Baechle bool 11727cf8053bSRalf Baechle 11737cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11747cf8053bSRalf Baechle bool 11757cf8053bSRalf Baechle 11767cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11777cf8053bSRalf Baechle bool 11787cf8053bSRalf Baechle 11797cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11807cf8053bSRalf Baechle bool 11817cf8053bSRalf Baechle 11827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11837cf8053bSRalf Baechle bool 11847cf8053bSRalf Baechle 11857cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11867cf8053bSRalf Baechle bool 11877cf8053bSRalf Baechle 11887cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11897cf8053bSRalf Baechle bool 11907cf8053bSRalf Baechle 11917cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11927cf8053bSRalf Baechle bool 11937cf8053bSRalf Baechle 11947cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11957cf8053bSRalf Baechle bool 11967cf8053bSRalf Baechle 11977cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11987cf8053bSRalf Baechle bool 11997cf8053bSRalf Baechle 12007cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12017cf8053bSRalf Baechle bool 12027cf8053bSRalf Baechle 12037cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12047cf8053bSRalf Baechle bool 12057cf8053bSRalf Baechle 12067cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12077cf8053bSRalf Baechle bool 12087cf8053bSRalf Baechle 12097cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12107cf8053bSRalf Baechle bool 12117cf8053bSRalf Baechle 12127cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12137cf8053bSRalf Baechle bool 12147cf8053bSRalf Baechle 12157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12167cf8053bSRalf Baechle bool 12177cf8053bSRalf Baechle 12187cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12197cf8053bSRalf Baechle bool 12207cf8053bSRalf Baechle 12217cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12227cf8053bSRalf Baechle bool 12237cf8053bSRalf Baechle 12247cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12257cf8053bSRalf Baechle bool 12267cf8053bSRalf Baechle 122717099b11SRalf Baechle# 122817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 122917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 123017099b11SRalf Baechle# 12310004a9dfSRalf Baechleconfig WEAK_ORDERING 12320004a9dfSRalf Baechle bool 123317099b11SRalf Baechle 123417099b11SRalf Baechle# 123517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 123617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 123717099b11SRalf Baechle# 123817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 123917099b11SRalf Baechle bool 12405e83d430SRalf Baechleendmenu 12415e83d430SRalf Baechle 12425e83d430SRalf Baechle# 12435e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12445e83d430SRalf Baechle# 12455e83d430SRalf Baechleconfig CPU_MIPS32 12465e83d430SRalf Baechle bool 12475e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12485e83d430SRalf Baechle 12495e83d430SRalf Baechleconfig CPU_MIPS64 12505e83d430SRalf Baechle bool 12515e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12525e83d430SRalf Baechle 12535e83d430SRalf Baechle# 1254c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12555e83d430SRalf Baechle# 12565e83d430SRalf Baechleconfig CPU_MIPSR1 12575e83d430SRalf Baechle bool 12585e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12595e83d430SRalf Baechle 12605e83d430SRalf Baechleconfig CPU_MIPSR2 12615e83d430SRalf Baechle bool 12625e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12635e83d430SRalf Baechle 12645e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12655e83d430SRalf Baechle bool 12665e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12675e83d430SRalf Baechle bool 12685e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12695e83d430SRalf Baechle bool 12705e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12715e83d430SRalf Baechle bool 12725e83d430SRalf Baechle 12735e83d430SRalf Baechlemenu "Kernel type" 12745e83d430SRalf Baechle 12755e83d430SRalf Baechlechoice 12765e83d430SRalf Baechle 12775e83d430SRalf Baechle prompt "Kernel code model" 12785e83d430SRalf Baechle help 12795e83d430SRalf Baechle You should only select this option if you have a workload that 12805e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12815e83d430SRalf Baechle large memory. You will only be presented a single option in this 12825e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12835e83d430SRalf Baechle 12845e83d430SRalf Baechleconfig 32BIT 12855e83d430SRalf Baechle bool "32-bit kernel" 12865e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12875e83d430SRalf Baechle select TRAD_SIGNALS 12885e83d430SRalf Baechle help 12895e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12905e83d430SRalf Baechleconfig 64BIT 12915e83d430SRalf Baechle bool "64-bit kernel" 12925e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12935e83d430SRalf Baechle help 12945e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12955e83d430SRalf Baechle 12965e83d430SRalf Baechleendchoice 12975e83d430SRalf Baechle 12981da177e4SLinus Torvaldschoice 12991da177e4SLinus Torvalds prompt "Kernel page size" 13001da177e4SLinus Torvalds default PAGE_SIZE_4KB 13011da177e4SLinus Torvalds 13021da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13031da177e4SLinus Torvalds bool "4kB" 13041da177e4SLinus Torvalds help 13051da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13061da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13071da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13081da177e4SLinus Torvalds recommended for low memory systems. 13091da177e4SLinus Torvalds 13101da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13111da177e4SLinus Torvalds bool "8kB" 13121da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13131da177e4SLinus Torvalds help 13141da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13151da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13161da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13171da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13181da177e4SLinus Torvalds compatibility of user applications. 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13211da177e4SLinus Torvalds bool "16kB" 1322714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13231da177e4SLinus Torvalds help 13241da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13251da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1326714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1327714bfad6SRalf Baechle Linux distribution to support this. 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13301da177e4SLinus Torvalds bool "64kB" 13311da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13321da177e4SLinus Torvalds help 13331da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13341da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13351da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1336714bfad6SRalf Baechle writing this option is still high experimental. 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvaldsendchoice 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvaldsconfig BOARD_SCACHE 13411da177e4SLinus Torvalds bool 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13441da177e4SLinus Torvalds bool 13451da177e4SLinus Torvalds select BOARD_SCACHE 13461da177e4SLinus Torvalds 13479318c51aSChris Dearman# 13489318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13499318c51aSChris Dearman# 13509318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13519318c51aSChris Dearman bool 13529318c51aSChris Dearman select BOARD_SCACHE 13539318c51aSChris Dearman 13541da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13551da177e4SLinus Torvalds bool 13561da177e4SLinus Torvalds select BOARD_SCACHE 13571da177e4SLinus Torvalds 13581da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13591da177e4SLinus Torvalds bool 13601da177e4SLinus Torvalds select BOARD_SCACHE 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13631da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13641da177e4SLinus Torvalds depends on CPU_SB1 13651da177e4SLinus Torvalds help 13661da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13671da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13681da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13691da177e4SLinus Torvalds 13701da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1371c8094b53SRalf Baechle bool 13721da177e4SLinus Torvalds 1373340ee4b9SRalf Baechlechoice 1374340ee4b9SRalf Baechle prompt "MIPS MT options" 1375f41ae0b2SRalf Baechle 1376f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1377f41ae0b2SRalf Baechle bool "Disable multithreading support." 1378f41ae0b2SRalf Baechle help 1379f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1380f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1381f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1382f41ae0b2SRalf Baechle option in this menu. 1383340ee4b9SRalf Baechle 138459d6ab86SRalf Baechleconfig MIPS_MT_SMP 138559d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 138659d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 138759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1388d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 138959d6ab86SRalf Baechle select CPU_MIPSR2_SRS 139059d6ab86SRalf Baechle select MIPS_MT 1391f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 139259d6ab86SRalf Baechle select SMP 139359d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 139459d6ab86SRalf Baechle help 139559d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 139659d6ab86SRalf Baechle has been marketesed into SMVP. 139759d6ab86SRalf Baechle 139841c594abSRalf Baechleconfig MIPS_MT_SMTC 139941c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1400f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1401f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1402f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1403ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1404f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1405d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1406f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1407f41ae0b2SRalf Baechle select MIPS_MT 1408130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 140941c594abSRalf Baechle select SMP 141073b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1411f41ae0b2SRalf Baechle help 1412f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1413f41ae0b2SRalf Baechle marketesed into SMVP. 141441c594abSRalf Baechle 1415340ee4b9SRalf Baechleendchoice 1416340ee4b9SRalf Baechle 1417f41ae0b2SRalf Baechleconfig MIPS_MT 1418f41ae0b2SRalf Baechle bool 1419f41ae0b2SRalf Baechle 1420f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1421f41ae0b2SRalf Baechle bool 1422f41ae0b2SRalf Baechle 1423f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1424f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1425f088fc84SRalf Baechle default y 142607cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 142707cc0c9eSRalf Baechle 142807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 142907cc0c9eSRalf Baechle bool "VPE loader support." 143007cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 143107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 143207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 143307cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 143407cc0c9eSRalf Baechle select MIPS_MT 143507cc0c9eSRalf Baechle help 143607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 143707cc0c9eSRalf Baechle onto another VPE and running it. 1438f088fc84SRalf Baechle 1439ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1440ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1441619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1442ac8be955SRalf Baechle default y 1443ac8be955SRalf Baechle help 1444ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1445ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1446ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1447ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1448ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1449ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1450ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1451ac8be955SRalf Baechle heavy I/O interrupt load. 1452ac8be955SRalf Baechle 14530db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14540db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14550db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14560db34215SKevin D. Kissell default y 14570db34215SKevin D. Kissell help 14580db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14590db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14600db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14610db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14620db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14630db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14640db34215SKevin D. Kissell what you are doing. 14650db34215SKevin D. Kissell 1466f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1467f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1468f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1469f571eff0SKevin D. Kissell default n 1470f571eff0SKevin D. Kissell help 1471f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1472f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1473f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1474f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1475f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1476f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1477f571eff0SKevin D. Kissell you are doing. 1478f571eff0SKevin D. Kissell 1479e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1480e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1481e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1482e01402b1SRalf Baechle default y 1483e01402b1SRalf Baechle help 1484e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1485e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1486e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1487e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1488e01402b1SRalf Baechle 1489e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1490e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1491e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1492e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14935e83d430SRalf Baechle help 1494e01402b1SRalf Baechle 14952600990eSRalf Baechleconfig MIPS_APSP_KSPD 14962600990eSRalf Baechle bool "Enable KSPD" 14972600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14982600990eSRalf Baechle default y 14992600990eSRalf Baechle help 15002600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15012600990eSRalf Baechle side, actions them and returns the results. It also handles the 15022600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15032600990eSRalf Baechle exiting. You probably want to say yes here. 15042600990eSRalf Baechle 15051da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15061da177e4SLinus Torvalds bool 15071da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15081da177e4SLinus Torvalds default y 15091da177e4SLinus Torvalds 15101da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15111da177e4SLinus Torvalds bool 15121da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15131da177e4SLinus Torvalds default y 15141da177e4SLinus Torvalds 15151da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 15161da177e4SLinus Torvalds bool 15171da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 15181da177e4SLinus Torvalds default y 15191da177e4SLinus Torvalds 15201da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1521d806cb2bSRalf Baechle bool 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1524f7062ddbSRalf Baechle bool 15251da177e4SLinus Torvalds 15269693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15279693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15289693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15299693a853SFranck Bui-Huu help 15309693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15319693a853SFranck Bui-Huu increased security at both hardware and software level for 15329693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15339693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15349693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15359693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15369693a853SFranck Bui-Huu here. 15379693a853SFranck Bui-Huu 15381da177e4SLinus Torvaldsconfig CPU_HAS_WB 1539f7062ddbSRalf Baechle bool 1540e01402b1SRalf Baechle 15412a21c730SFuxin Zhangconfig 64BIT_CONTEXT 15422a21c730SFuxin Zhang bool "Save 64bit integer registers" 15432a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 15442a21c730SFuxin Zhang help 15452a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15462a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15472a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15482a21c730SFuxin Zhang those instructions to get correct result. 15492a21c730SFuxin Zhang 1550f41ae0b2SRalf Baechle# 1551f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1552f41ae0b2SRalf Baechle# 1553e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1554f41ae0b2SRalf Baechle bool 1555e01402b1SRalf Baechle 1556f41ae0b2SRalf Baechle# 1557f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1558f41ae0b2SRalf Baechle# 1559e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1560f41ae0b2SRalf Baechle bool 1561e01402b1SRalf Baechle 1562f41ae0b2SRalf Baechle# 1563f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1564f41ae0b2SRalf Baechle# 1565e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1566f41ae0b2SRalf Baechle bool 1567e01402b1SRalf Baechle 15681da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15691da177e4SLinus Torvalds bool 15701da177e4SLinus Torvalds depends on !CPU_R3000 15711da177e4SLinus Torvalds default y 15721da177e4SLinus Torvalds 1573ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1574ea580401SRalf Baechle bool 1575ea580401SRalf Baechle 15761da177e4SLinus Torvalds# 1577797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1578797798c1SRalf Baechle# 1579797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1580797798c1SRalf Baechle bool 1581797798c1SRalf Baechle default y 1582797798c1SRalf Baechle 1583797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1584797798c1SRalf Baechle bool 1585797798c1SRalf Baechle default y 1586797798c1SRalf Baechle 15870d7012a9SIngo Molnarconfig IRQ_PER_CPU 15880d7012a9SIngo Molnar bool 15890d7012a9SIngo Molnar 1590797798c1SRalf Baechle# 15911da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15921da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15931da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15941da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15951da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15961da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15971da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15981da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1599797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1600797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1601797798c1SRalf Baechle# support. 16021da177e4SLinus Torvalds# 16031da177e4SLinus Torvaldsconfig HIGHMEM 16041da177e4SLinus Torvalds bool "High Memory Support" 1605797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1606797798c1SRalf Baechle 1607797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1608797798c1SRalf Baechle bool 1609797798c1SRalf Baechle 1610797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1611797798c1SRalf Baechle bool 16121da177e4SLinus Torvalds 16139693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16149693a853SFranck Bui-Huu bool 16159693a853SFranck Bui-Huu 1616b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1617b4819b59SYoichi Yuasa def_bool y 1618b4819b59SYoichi Yuasa depends on !NUMA 1619b4819b59SYoichi Yuasa 1620d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1621d8cb4e11SRalf Baechle bool 1622d8cb4e11SRalf Baechle default y if SGI_IP27 1623d8cb4e11SRalf Baechle help 16243dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1625d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1626d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1627d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1628d8cb4e11SRalf Baechle 1629b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1630b1c6cd42SAtsushi Nemoto bool 16317de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 163231473747SAtsushi Nemoto 1633d8cb4e11SRalf Baechleconfig NUMA 1634d8cb4e11SRalf Baechle bool "NUMA Support" 1635d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1636d8cb4e11SRalf Baechle help 1637d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1638d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1639d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1640d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1641d8cb4e11SRalf Baechle disabled. 1642d8cb4e11SRalf Baechle 1643d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1644d8cb4e11SRalf Baechle bool 1645d8cb4e11SRalf Baechle 1646c80d79d7SYasunori Gotoconfig NODES_SHIFT 1647c80d79d7SYasunori Goto int 1648c80d79d7SYasunori Goto default "6" 1649c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1650c80d79d7SYasunori Goto 1651b4819b59SYoichi Yuasasource "mm/Kconfig" 1652b4819b59SYoichi Yuasa 16531da177e4SLinus Torvaldsconfig SMP 16541da177e4SLinus Torvalds bool "Multi-Processing support" 1655e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1656b4b30a5aSRalf Baechle select IRQ_PER_CPU 1657e73ea273SRalf Baechle help 16581da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16591da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16601da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16631da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16641da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16651da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16661da177e4SLinus Torvalds will run faster if you say N here. 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16691da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16721da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16731da177e4SLinus Torvalds 16741da177e4SLinus Torvalds If you don't know what to do here, say N. 16751da177e4SLinus Torvalds 1676e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1677e73ea273SRalf Baechle bool 1678e73ea273SRalf Baechle 167972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 168072ede9b1SAtsushi Nemoto bool 168172ede9b1SAtsushi Nemoto 1682130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1683130e2fb7SRalf Baechle bool 1684130e2fb7SRalf Baechle 1685130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1686130e2fb7SRalf Baechle bool 1687130e2fb7SRalf Baechle 1688130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1689130e2fb7SRalf Baechle bool 1690130e2fb7SRalf Baechle 1691130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1692130e2fb7SRalf Baechle bool 1693130e2fb7SRalf Baechle 1694130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1695130e2fb7SRalf Baechle bool 1696130e2fb7SRalf Baechle 1697130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1698130e2fb7SRalf Baechle bool 1699130e2fb7SRalf Baechle 17001da177e4SLinus Torvaldsconfig NR_CPUS 17011da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 170272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17031da177e4SLinus Torvalds depends on SMP 170472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1705130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1706130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1707130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1708130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1709130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1710130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 17111da177e4SLinus Torvalds help 17121da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 17131da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 17141da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 171572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 171672ede9b1SAtsushi Nemoto and 2 for all others. 17171da177e4SLinus Torvalds 17181da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 171972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 172072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 172172ede9b1SAtsushi Nemoto power of two. 17221da177e4SLinus Torvalds 17231723b4a3SAtsushi Nemoto# 17241723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 17251723b4a3SAtsushi Nemoto# 17261723b4a3SAtsushi Nemoto 17271723b4a3SAtsushi Nemotochoice 17281723b4a3SAtsushi Nemoto prompt "Timer frequency" 17291723b4a3SAtsushi Nemoto default HZ_250 17301723b4a3SAtsushi Nemoto help 17311723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 17321723b4a3SAtsushi Nemoto 17331723b4a3SAtsushi Nemoto config HZ_48 17341723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 17351723b4a3SAtsushi Nemoto 17361723b4a3SAtsushi Nemoto config HZ_100 17371723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17381723b4a3SAtsushi Nemoto 17391723b4a3SAtsushi Nemoto config HZ_128 17401723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17411723b4a3SAtsushi Nemoto 17421723b4a3SAtsushi Nemoto config HZ_250 17431723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17441723b4a3SAtsushi Nemoto 17451723b4a3SAtsushi Nemoto config HZ_256 17461723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17471723b4a3SAtsushi Nemoto 17481723b4a3SAtsushi Nemoto config HZ_1000 17491723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17501723b4a3SAtsushi Nemoto 17511723b4a3SAtsushi Nemoto config HZ_1024 17521723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17531723b4a3SAtsushi Nemoto 17541723b4a3SAtsushi Nemotoendchoice 17551723b4a3SAtsushi Nemoto 17561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17571723b4a3SAtsushi Nemoto bool 17581723b4a3SAtsushi Nemoto 17591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17601723b4a3SAtsushi Nemoto bool 17611723b4a3SAtsushi Nemoto 17621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17631723b4a3SAtsushi Nemoto bool 17641723b4a3SAtsushi Nemoto 17651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17661723b4a3SAtsushi Nemoto bool 17671723b4a3SAtsushi Nemoto 17681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17691723b4a3SAtsushi Nemoto bool 17701723b4a3SAtsushi Nemoto 17711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17721723b4a3SAtsushi Nemoto bool 17731723b4a3SAtsushi Nemoto 17741723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17751723b4a3SAtsushi Nemoto bool 17761723b4a3SAtsushi Nemoto 17771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17781723b4a3SAtsushi Nemoto bool 17791723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17801723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17811723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17821723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17831723b4a3SAtsushi Nemoto 17841723b4a3SAtsushi Nemotoconfig HZ 17851723b4a3SAtsushi Nemoto int 17861723b4a3SAtsushi Nemoto default 48 if HZ_48 17871723b4a3SAtsushi Nemoto default 100 if HZ_100 17881723b4a3SAtsushi Nemoto default 128 if HZ_128 17891723b4a3SAtsushi Nemoto default 250 if HZ_250 17901723b4a3SAtsushi Nemoto default 256 if HZ_256 17911723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17921723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17931723b4a3SAtsushi Nemoto 1794e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17951da177e4SLinus Torvalds 17961da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17971da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1798875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17991da177e4SLinus Torvalds help 18001da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18011da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18021da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18031da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18041da177e4SLinus Torvalds recommended for normal users. 18051da177e4SLinus Torvalds 1806ea6e942bSAtsushi Nemotoconfig KEXEC 1807ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1808ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1809ea6e942bSAtsushi Nemoto help 1810ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1811ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 18123dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1813ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1814ea6e942bSAtsushi Nemoto 1815ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1816ea6e942bSAtsushi Nemoto 1817ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1818ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1819ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1820ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1821ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1822ea6e942bSAtsushi Nemoto 1823ea6e942bSAtsushi Nemotoconfig SECCOMP 1824ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1825293c5bd1SRalf Baechle depends on PROC_FS 1826ea6e942bSAtsushi Nemoto default y 1827ea6e942bSAtsushi Nemoto help 1828ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1829ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1830ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1831ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1832ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1833ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1834ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1835ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1836ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1837ea6e942bSAtsushi Nemoto 1838ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1839ea6e942bSAtsushi Nemoto 18405e83d430SRalf Baechleendmenu 18415e83d430SRalf Baechle 18421da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18431da177e4SLinus Torvalds bool 18441da177e4SLinus Torvalds default y 18451da177e4SLinus Torvalds 18461df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18471df0f0ffSAtsushi Nemoto bool 18481df0f0ffSAtsushi Nemoto default y 18491df0f0ffSAtsushi Nemoto 18501df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18511df0f0ffSAtsushi Nemoto bool 18521df0f0ffSAtsushi Nemoto default y 18531df0f0ffSAtsushi Nemoto 1854b6c3539bSRalf Baechlesource "init/Kconfig" 1855b6c3539bSRalf Baechle 18561da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18571da177e4SLinus Torvalds 18585e83d430SRalf Baechleconfig HW_HAS_EISA 18595e83d430SRalf Baechle bool 18601da177e4SLinus Torvaldsconfig HW_HAS_PCI 18611da177e4SLinus Torvalds bool 18621da177e4SLinus Torvalds 18631da177e4SLinus Torvaldsconfig PCI 18641da177e4SLinus Torvalds bool "Support for PCI controller" 18651da177e4SLinus Torvalds depends on HW_HAS_PCI 1866abb4ae46SRalf Baechle select PCI_DOMAINS 18671da177e4SLinus Torvalds help 18681da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18691da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18701da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18711da177e4SLinus Torvalds say Y, otherwise N. 18721da177e4SLinus Torvalds 18731da177e4SLinus Torvalds The PCI-HOWTO, available from 18741da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18751da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18761da177e4SLinus Torvalds doesn't. 18771da177e4SLinus Torvalds 18781da177e4SLinus Torvaldsconfig PCI_DOMAINS 18791da177e4SLinus Torvalds bool 18801da177e4SLinus Torvalds 18811da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvalds# 18841da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18851da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18861da177e4SLinus Torvalds# users to choose the right thing ... 18871da177e4SLinus Torvalds# 18881da177e4SLinus Torvaldsconfig ISA 18891da177e4SLinus Torvalds bool 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvaldsconfig EISA 18921da177e4SLinus Torvalds bool "EISA support" 18935e83d430SRalf Baechle depends on HW_HAS_EISA 18941da177e4SLinus Torvalds select ISA 1895aa414dffSRalf Baechle select GENERIC_ISA_DMA 18961da177e4SLinus Torvalds ---help--- 18971da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18981da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18991da177e4SLinus Torvalds 19001da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19011da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19021da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19031da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19061da177e4SLinus Torvalds 19071da177e4SLinus Torvalds Otherwise, say N. 19081da177e4SLinus Torvalds 19091da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19101da177e4SLinus Torvalds 19111da177e4SLinus Torvaldsconfig TC 19121da177e4SLinus Torvalds bool "TURBOchannel support" 19131da177e4SLinus Torvalds depends on MACH_DECSTATION 19141da177e4SLinus Torvalds help 19151da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 19161da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 19171da177e4SLinus Torvalds is available at: 19181da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvalds#config ACCESSBUS 19211da177e4SLinus Torvalds# bool "Access.Bus support" 19221da177e4SLinus Torvalds# depends on TC 19231da177e4SLinus Torvalds 19241da177e4SLinus Torvaldsconfig MMU 19251da177e4SLinus Torvalds bool 19261da177e4SLinus Torvalds default y 19271da177e4SLinus Torvalds 1928d865bea4SRalf Baechleconfig I8253 1929d865bea4SRalf Baechle bool 1930d865bea4SRalf Baechle 1931de61b542SRalf Baechleconfig PCSPEAKER 1932e5c6c8e4SMichael Neuling bool 1933e5c6c8e4SMichael Neuling 19341da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 19351da177e4SLinus Torvalds 19361da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvaldsendmenu 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvaldsmenu "Executable file formats" 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19431da177e4SLinus Torvalds 19441da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19451da177e4SLinus Torvalds bool 19461da177e4SLinus Torvalds 19471da177e4SLinus Torvaldsconfig BINFMT_IRIX 19481da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19495e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19521da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1953875d43e7SRalf Baechle depends on 64BIT 19541da177e4SLinus Torvalds help 19551da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19561da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19571da177e4SLinus Torvalds currently 32-bit you should say Y here. 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvaldsconfig COMPAT 19601da177e4SLinus Torvalds bool 19611da177e4SLinus Torvalds depends on MIPS32_COMPAT 19621da177e4SLinus Torvalds default y 19631da177e4SLinus Torvalds 196405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 196505e43966SAtsushi Nemoto bool 196605e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 196705e43966SAtsushi Nemoto default y 196805e43966SAtsushi Nemoto 19691da177e4SLinus Torvaldsconfig MIPS32_O32 19701da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19711da177e4SLinus Torvalds depends on MIPS32_COMPAT 19721da177e4SLinus Torvalds help 19731da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19741da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19751da177e4SLinus Torvalds existing binaries are in this format. 19761da177e4SLinus Torvalds 19771da177e4SLinus Torvalds If unsure, say Y. 19781da177e4SLinus Torvalds 19791da177e4SLinus Torvaldsconfig MIPS32_N32 19801da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19811da177e4SLinus Torvalds depends on MIPS32_COMPAT 19821da177e4SLinus Torvalds help 19831da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19841da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19851da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19861da177e4SLinus Torvalds cases. 19871da177e4SLinus Torvalds 19881da177e4SLinus Torvalds If unsure, say N. 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvaldsconfig BINFMT_ELF32 19911da177e4SLinus Torvalds bool 19921da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19931da177e4SLinus Torvalds 19942116245eSRalf Baechleendmenu 19951da177e4SLinus Torvalds 19962116245eSRalf Baechlemenu "Power management options" 1997952fa954SRodolfo Giometti 19982116245eSRalf Baechlesource "kernel/power/Kconfig" 1999952fa954SRodolfo Giometti 20001da177e4SLinus Torvaldsendmenu 20011da177e4SLinus Torvalds 2002d5950b43SSam Ravnborgsource "net/Kconfig" 2003d5950b43SSam Ravnborg 20041da177e4SLinus Torvaldssource "drivers/Kconfig" 20051da177e4SLinus Torvalds 20061da177e4SLinus Torvaldssource "fs/Kconfig" 20071da177e4SLinus Torvalds 2008*09cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 20095e83d430SRalf Baechle 20101da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvaldssource "security/Kconfig" 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvaldssource "crypto/Kconfig" 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvaldssource "lib/Kconfig" 2017