11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2435189fadSRalf Baechle select DMA_COHERENT 2535189fadSRalf Baechle select HW_HAS_PCI 2635189fadSRalf Baechle select IRQ_CPU 2735189fadSRalf Baechle select IRQ_CPU_RM7K 2835189fadSRalf Baechle select IRQ_CPU_RM9K 29663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3035189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3135189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3235189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 33cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3435189fadSRalf Baechle help 3535189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 36be91589eSThomas Koeller Basler Vision Technologies AG. 3735189fadSRalf Baechle 3835189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 3935189fadSRalf Baechle bool "Support for pre-release units" 4035189fadSRalf Baechle depends on BASLER_EXCITE 4135189fadSRalf Baechle default n 4235189fadSRalf Baechle help 4335189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4435189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4535189fadSRalf Baechle note that a kernel built with this option selected will not be 4635189fadSRalf Baechle able to run on normal units. 4735189fadSRalf Baechle 481c0c13ebSAurelien Jarnoconfig BCM47XX 491c0c13ebSAurelien Jarno bool "BCM47XX based boards" 501c0c13ebSAurelien Jarno select DMA_NONCOHERENT 511c0c13ebSAurelien Jarno select HW_HAS_PCI 521c0c13ebSAurelien Jarno select IRQ_CPU 531c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 541c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 551c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 561c0c13ebSAurelien Jarno select SSB 571c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 581c0c13ebSAurelien Jarno select GENERIC_GPIO 5925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 6025e5fb97SAurelien Jarno select CFE 611c0c13ebSAurelien Jarno help 621c0c13ebSAurelien Jarno Support for BCM47XX based boards 631c0c13ebSAurelien Jarno 641da177e4SLinus Torvaldsconfig MIPS_COBALT 653fa986faSMartin Michlmayr bool "Cobalt Server" 661da177e4SLinus Torvalds select DMA_NONCOHERENT 671da177e4SLinus Torvalds select HW_HAS_PCI 68*d865bea4SRalf Baechle select I8253 691da177e4SLinus Torvalds select I8259 701da177e4SLinus Torvalds select IRQ_CPU 71d5ab1a69SYoichi Yuasa select IRQ_GT641XX 72252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 737cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 740a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 75ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 76ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 789fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 791da177e4SLinus Torvalds 801da177e4SLinus Torvaldsconfig MACH_DECSTATION 813fa986faSMartin Michlmayr bool "DECstations" 821da177e4SLinus Torvalds select BOOT_ELF32 831da177e4SLinus Torvalds select DMA_NONCOHERENT 84d388d685SMaciej W. Rozycki select NO_IOPORT 851da177e4SLinus Torvalds select IRQ_CPU 867cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 877cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 88ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 89ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 905e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 911723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 921723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 931723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 945e83d430SRalf Baechle help 951da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 961da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 971da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1001da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds DECstation 5000/50 1031da177e4SLinus Torvalds DECstation 5000/150 1041da177e4SLinus Torvalds DECstation 5000/260 1051da177e4SLinus Torvalds DECsystem 5900/260 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds otherwise choose R3000. 1081da177e4SLinus Torvalds 1095e83d430SRalf Baechleconfig MACH_JAZZ 1103fa986faSMartin Michlmayr bool "Jazz family of machines" 1115e83d430SRalf Baechle select ARC 1125e83d430SRalf Baechle select ARC32 1135e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1145e83d430SRalf Baechle select GENERIC_ISA_DMA 115ea202c63SThomas Bogendoerfer select IRQ_CPU 116*d865bea4SRalf Baechle select I8253 1175e83d430SRalf Baechle select I8259 1185e83d430SRalf Baechle select ISA 119de61b542SRalf Baechle select PCSPEAKER 1207cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1215e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1225e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1231723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1249fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1251da177e4SLinus Torvalds help 1265e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1275e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1285e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1295e83d430SRalf Baechle Olivetti M700-10 workstations. 1305e83d430SRalf Baechle 1311f21d2bdSBrian Murphyconfig LASAT 1321f21d2bdSBrian Murphy bool "LASAT Networks platforms" 1331f21d2bdSBrian Murphy select DMA_NONCOHERENT 1341f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1351f21d2bdSBrian Murphy select HW_HAS_PCI 1361f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1371f21d2bdSBrian Murphy select MIPS_NILE4 1381f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1391f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1401f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1411f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1421f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1431f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1441f21d2bdSBrian Murphy 145ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 146ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 147ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 148ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 149ade299d8SYoichi Yuasa select DMA_NONCOHERENT 150ade299d8SYoichi Yuasa select BOOT_ELF32 151ade299d8SYoichi Yuasa select BOARD_SCACHE 152ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 153ade299d8SYoichi Yuasa select HW_HAS_PCI 154ade299d8SYoichi Yuasa select I8259 155ade299d8SYoichi Yuasa select ISA 156ade299d8SYoichi Yuasa select IRQ_CPU 157ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 158ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 159ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 160ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 161ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 162ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 16323dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 164ade299d8SYoichi Yuasa select CPU_HAS_WB 165ade299d8SYoichi Yuasa help 166ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 167ade299d8SYoichi Yuasa an FPGA northbridge 168ade299d8SYoichi Yuasa 1691da177e4SLinus Torvaldsconfig MIPS_ATLAS 1703fa986faSMartin Michlmayr bool "MIPS Atlas board" 1711da177e4SLinus Torvalds select BOOT_ELF32 1721da177e4SLinus Torvalds select DMA_NONCOHERENT 17336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1745e83d430SRalf Baechle select IRQ_CPU 1751da177e4SLinus Torvalds select HW_HAS_PCI 1765e83d430SRalf Baechle select MIPS_BOARDS_GEN 1775e83d430SRalf Baechle select MIPS_BONITO64 178252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1795e83d430SRalf Baechle select MIPS_MSC 180f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1811da177e4SLinus Torvalds select SWAP_IO_SPACE 1827cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1837cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1847cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1857cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1867cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 187ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 188ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1905e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 191f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 1929693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 193e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 1941da177e4SLinus Torvalds help 195f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 1961da177e4SLinus Torvalds board. 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvaldsconfig MIPS_MALTA 1993fa986faSMartin Michlmayr bool "MIPS Malta board" 20061ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2011da177e4SLinus Torvalds select BOOT_ELF32 2021da177e4SLinus Torvalds select DMA_NONCOHERENT 2031da177e4SLinus Torvalds select GENERIC_ISA_DMA 204aa414dffSRalf Baechle select IRQ_CPU 2051da177e4SLinus Torvalds select HW_HAS_PCI 206*d865bea4SRalf Baechle select I8253 2071da177e4SLinus Torvalds select I8259 2085e83d430SRalf Baechle select MIPS_BOARDS_GEN 2095e83d430SRalf Baechle select MIPS_BONITO64 2109318c51aSChris Dearman select MIPS_CPU_SCACHE 211252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2125e83d430SRalf Baechle select MIPS_MSC 2131da177e4SLinus Torvalds select SWAP_IO_SPACE 2147cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2157cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2167cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2177cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2187cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 21936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 220ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 221ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2225e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 224f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2259693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2261da177e4SLinus Torvalds help 227f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2281da177e4SLinus Torvalds board. 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvaldsconfig MIPS_SEAD 231d98cc84dSRalf Baechle bool "MIPS SEAD board" 2321da177e4SLinus Torvalds select IRQ_CPU 2331da177e4SLinus Torvalds select DMA_NONCOHERENT 23436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2355e83d430SRalf Baechle select MIPS_BOARDS_GEN 2367cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2377cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2387cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 239ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2405e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2439693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 244f638d197SMaciej W. Rozycki help 245f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 246f638d197SMaciej W. Rozycki board. 2471da177e4SLinus Torvalds 248c78cbf49SRalf Baechleconfig MIPS_SIM 2493fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 250c78cbf49SRalf Baechle select DMA_NONCOHERENT 25136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 252c78cbf49SRalf Baechle select IRQ_CPU 2539267a30dSMarc St-Jean select BOOT_RAW 2547cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2557cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 25636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 257c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 258c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 259f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 260c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 261c78cbf49SRalf Baechle help 262c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 263c78cbf49SRalf Baechle emulator. 264c78cbf49SRalf Baechle 265ade299d8SYoichi Yuasaconfig MARKEINS 266ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 267ade299d8SYoichi Yuasa select DMA_NONCOHERENT 268ade299d8SYoichi Yuasa select HW_HAS_PCI 269ade299d8SYoichi Yuasa select IRQ_CPU 270ade299d8SYoichi Yuasa select SWAP_IO_SPACE 271ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 272ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 273ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 274ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 275ade299d8SYoichi Yuasa help 276ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 277ade299d8SYoichi Yuasa boards with R5500 CPU. 278ade299d8SYoichi Yuasa 2795e83d430SRalf Baechleconfig MACH_VR41XX 28074142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 2817cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2829fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2835e83d430SRalf Baechle 284ade299d8SYoichi Yuasaconfig PNX8550_JBS 285ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 286ade299d8SYoichi Yuasa select PNX8550 287ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 288ade299d8SYoichi Yuasa 289ade299d8SYoichi Yuasaconfig PNX8550_STB810 290ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 291ade299d8SYoichi Yuasa select PNX8550 292ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 293ade299d8SYoichi Yuasa 2949267a30dSMarc St-Jeanconfig PMC_MSP 2959267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2969267a30dSMarc St-Jean depends on EXPERIMENTAL 2979267a30dSMarc St-Jean select DMA_NONCOHERENT 2989267a30dSMarc St-Jean select SWAP_IO_SPACE 2999267a30dSMarc St-Jean select NO_EXCEPT_FILL 3009267a30dSMarc St-Jean select BOOT_RAW 3019267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3029267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3039267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3049267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3059267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3069267a30dSMarc St-Jean select IRQ_CPU 3079267a30dSMarc St-Jean select SERIAL_8250 3089267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3099267a30dSMarc St-Jean help 3109267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3119267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3129267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3139267a30dSMarc St-Jean a variety of MIPS cores. 3149267a30dSMarc St-Jean 3155e83d430SRalf Baechleconfig PMC_YOSEMITE 3163fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 3175e83d430SRalf Baechle select DMA_COHERENT 3185e83d430SRalf Baechle select HW_HAS_PCI 3195e83d430SRalf Baechle select IRQ_CPU 3205e83d430SRalf Baechle select IRQ_CPU_RM7K 3215e83d430SRalf Baechle select IRQ_CPU_RM9K 3225e83d430SRalf Baechle select SWAP_IO_SPACE 3237cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 32436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3255e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3265e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3285e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 329cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 330e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3315e83d430SRalf Baechle help 3325e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3335e83d430SRalf Baechle manufactured by PMC-Sierra. 3341da177e4SLinus Torvalds 33507119621SRalf Baechleconfig QEMU 3363fa986faSMartin Michlmayr bool "Qemu" 33707119621SRalf Baechle select DMA_COHERENT 33807119621SRalf Baechle select GENERIC_ISA_DMA 33907119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 340*d865bea4SRalf Baechle select I8253 34107119621SRalf Baechle select I8259 3427bcf7717SRalf Baechle select IRQ_CPU 34307119621SRalf Baechle select ISA 344de61b542SRalf Baechle select PCSPEAKER 34507119621SRalf Baechle select SWAP_IO_SPACE 3467cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 34707119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 34807119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 349c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 350b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3519fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 35272ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 35372ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 35407119621SRalf Baechle help 35507119621SRalf Baechle Qemu is a software emulator which among other architectures also 35607119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 35707119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 35807119621SRalf Baechle will eventually be removed again when Qemu has the capability to 35907119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 36007119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 36107119621SRalf Baechle 3621da177e4SLinus Torvaldsconfig SGI_IP22 3633fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3641da177e4SLinus Torvalds select ARC 3651da177e4SLinus Torvalds select ARC32 3661da177e4SLinus Torvalds select BOOT_ELF32 3671da177e4SLinus Torvalds select DMA_NONCOHERENT 3685e83d430SRalf Baechle select HW_HAS_EISA 369*d865bea4SRalf Baechle select I8253 3701da177e4SLinus Torvalds select IP22_CPU_SCACHE 3711da177e4SLinus Torvalds select IRQ_CPU 372aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3731da177e4SLinus Torvalds select SWAP_IO_SPACE 3747cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3757cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 37636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 377ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 378ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3801da177e4SLinus Torvalds help 3811da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3821da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3831da177e4SLinus Torvalds that runs on these, say Y here. 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvaldsconfig SGI_IP27 3863fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3871da177e4SLinus Torvalds select ARC 3881da177e4SLinus Torvalds select ARC64 3895e83d430SRalf Baechle select BOOT_ELF64 3901da177e4SLinus Torvalds select DMA_IP27 39136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3921da177e4SLinus Torvalds select HW_HAS_PCI 393130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3947cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 395ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3965e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 397cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 398d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3991a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 400e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4011da177e4SLinus Torvalds help 4021da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4031da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4041da177e4SLinus Torvalds here. 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvaldsconfig SGI_IP32 407cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4081da177e4SLinus Torvalds select ARC 4091da177e4SLinus Torvalds select ARC32 4101da177e4SLinus Torvalds select BOOT_ELF32 4111da177e4SLinus Torvalds select DMA_NONCOHERENT 4121da177e4SLinus Torvalds select HW_HAS_PCI 4131da177e4SLinus Torvalds select R5000_CPU_SCACHE 4141da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4157cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4167cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4177cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 418dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 419ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4205e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4211da177e4SLinus Torvalds help 4221da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4231da177e4SLinus Torvalds 424ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 425ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4265e83d430SRalf Baechle depends on EXPERIMENTAL 4275e83d430SRalf Baechle select BOOT_ELF32 4285e83d430SRalf Baechle select DMA_COHERENT 4295e83d430SRalf Baechle select SIBYTE_BCM1120 4305e83d430SRalf Baechle select SWAP_IO_SPACE 4317cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4345e83d430SRalf Baechle 435ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 436ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4375e83d430SRalf Baechle depends on EXPERIMENTAL 4385e83d430SRalf Baechle select BOOT_ELF32 4395e83d430SRalf Baechle select DMA_COHERENT 4405e83d430SRalf Baechle select SIBYTE_BCM1120 4415e83d430SRalf Baechle select SWAP_IO_SPACE 4427cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4455e83d430SRalf Baechle 4465e83d430SRalf Baechleconfig SIBYTE_CRHONE 4473fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4485e83d430SRalf Baechle depends on EXPERIMENTAL 4495e83d430SRalf Baechle select BOOT_ELF32 4505e83d430SRalf Baechle select DMA_COHERENT 4515e83d430SRalf Baechle select SIBYTE_BCM1125 4525e83d430SRalf Baechle select SWAP_IO_SPACE 4537cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4555e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4575e83d430SRalf Baechle 458ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 459ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 460ade299d8SYoichi Yuasa depends on EXPERIMENTAL 461ade299d8SYoichi Yuasa select BOOT_ELF32 462ade299d8SYoichi Yuasa select DMA_COHERENT 463ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 464ade299d8SYoichi Yuasa select SWAP_IO_SPACE 465ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 466ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 467ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 468ade299d8SYoichi Yuasa 469ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 470ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 471ade299d8SYoichi Yuasa select BOOT_ELF32 472ade299d8SYoichi Yuasa select DMA_COHERENT 473ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 474ade299d8SYoichi Yuasa select SIBYTE_SB1250 475ade299d8SYoichi Yuasa select SWAP_IO_SPACE 476ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 477ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 478ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 479ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 480ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 481ade299d8SYoichi Yuasa 482ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 483ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 484ade299d8SYoichi Yuasa depends on EXPERIMENTAL 485ade299d8SYoichi Yuasa select BOOT_ELF32 486ade299d8SYoichi Yuasa select DMA_COHERENT 487ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 488ade299d8SYoichi Yuasa select SIBYTE_SB1250 489ade299d8SYoichi Yuasa select SWAP_IO_SPACE 490ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 491ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 492ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 493ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 494ade299d8SYoichi Yuasa 495ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 496ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 497ade299d8SYoichi Yuasa depends on EXPERIMENTAL 498ade299d8SYoichi Yuasa select BOOT_ELF32 499ade299d8SYoichi Yuasa select DMA_COHERENT 500ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 501ade299d8SYoichi Yuasa select SIBYTE_SB1250 502ade299d8SYoichi Yuasa select SWAP_IO_SPACE 503ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 504ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 505ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 506ade299d8SYoichi Yuasa 507ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 508ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 509ade299d8SYoichi Yuasa depends on EXPERIMENTAL 510ade299d8SYoichi Yuasa select BOOT_ELF32 511ade299d8SYoichi Yuasa select DMA_COHERENT 512ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 513ade299d8SYoichi Yuasa select SIBYTE_SB1250 514ade299d8SYoichi Yuasa select SWAP_IO_SPACE 515ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 516ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 517ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 518ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 519ade299d8SYoichi Yuasa 520ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 521ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 522ade299d8SYoichi Yuasa select BOOT_ELF32 523ade299d8SYoichi Yuasa select DMA_COHERENT 524ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 525ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 526ade299d8SYoichi Yuasa select SWAP_IO_SPACE 527ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 528ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 529ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 530ade299d8SYoichi Yuasa 53114b36af4SThomas Bogendoerferconfig SNI_RM 53214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5334a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5344a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5355e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5365e83d430SRalf Baechle select BOOT_ELF32 5375e83d430SRalf Baechle select DMA_NONCOHERENT 5385e83d430SRalf Baechle select GENERIC_ISA_DMA 5395e83d430SRalf Baechle select HW_HAS_EISA 5405e83d430SRalf Baechle select HW_HAS_PCI 541c066a32aSThomas Bogendoerfer select IRQ_CPU 542*d865bea4SRalf Baechle select I8253 5435e83d430SRalf Baechle select I8259 5445e83d430SRalf Baechle select ISA 545de61b542SRalf Baechle select PCSPEAKER 5464a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5477cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5484a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 549c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5504a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 55136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 552ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5535e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5544a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5555e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5571da177e4SLinus Torvalds help 55814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5605e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5615e83d430SRalf Baechle support this machine type. 5621da177e4SLinus Torvalds 5635e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5643fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5655e83d430SRalf Baechle select DMA_NONCOHERENT 5665e83d430SRalf Baechle select HW_HAS_PCI 5675e83d430SRalf Baechle select MIPS_TX3927 568c87abd75SAtsushi Nemoto select IRQ_TXX9 5695e83d430SRalf Baechle select SWAP_IO_SPACE 5707cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5715e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5726a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5742127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5755e83d430SRalf Baechle 5765e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 57708a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5785e83d430SRalf Baechle select DMA_NONCOHERENT 5795e83d430SRalf Baechle select HAS_TXX9_SERIAL 5805e83d430SRalf Baechle select HW_HAS_PCI 581c87abd75SAtsushi Nemoto select IRQ_CPU 582c87abd75SAtsushi Nemoto select IRQ_TXX9 583c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5845e83d430SRalf Baechle select SWAP_IO_SPACE 5857cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5865e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5875e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5886a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 590cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5919fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5925e83d430SRalf Baechle help 5935e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5945e83d430SRalf Baechle support this machine type 5951da177e4SLinus Torvalds 59623fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5973fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59823fbee9dSRalf Baechle select DMA_NONCOHERENT 59923fbee9dSRalf Baechle select HAS_TXX9_SERIAL 60023fbee9dSRalf Baechle select HW_HAS_PCI 601c87abd75SAtsushi Nemoto select IRQ_CPU 602c87abd75SAtsushi Nemoto select IRQ_TXX9 60323fbee9dSRalf Baechle select SWAP_IO_SPACE 6047cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 60523fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 60623fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 60723fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 608cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6099fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6103896b054SAtsushi Nemoto select GENERIC_GPIO 61123fbee9dSRalf Baechle help 61223fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 61323fbee9dSRalf Baechle support this machine type 61423fbee9dSRalf Baechle 615ade299d8SYoichi Yuasaconfig WR_PPMC 616ade299d8SYoichi Yuasa bool "Wind River PPMC board" 617ade299d8SYoichi Yuasa select IRQ_CPU 618ade299d8SYoichi Yuasa select BOOT_ELF32 619ade299d8SYoichi Yuasa select DMA_NONCOHERENT 620ade299d8SYoichi Yuasa select HW_HAS_PCI 621ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 622ade299d8SYoichi Yuasa select SWAP_IO_SPACE 623ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 624ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 625ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 626ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 627ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 628ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 629ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 630ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 631ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 632ade299d8SYoichi Yuasa help 633ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 634ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 635ade299d8SYoichi Yuasa 6361da177e4SLinus Torvaldsendchoice 6371da177e4SLinus Torvalds 638c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6395e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6401f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6415e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6445e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 64523fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6465e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 64738b18f72SRalf Baechle 6485e83d430SRalf Baechleendmenu 6495e83d430SRalf Baechle 6501da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6511da177e4SLinus Torvalds bool 6521da177e4SLinus Torvalds default y 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6551da177e4SLinus Torvalds bool 6561da177e4SLinus Torvalds 657f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 658f0d1b0b3SDavid Howells bool 659f0d1b0b3SDavid Howells default n 660f0d1b0b3SDavid Howells 661f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 662f0d1b0b3SDavid Howells bool 663f0d1b0b3SDavid Howells default n 664f0d1b0b3SDavid Howells 6653c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6663c9ee7efSAkinobu Mita bool 6673c9ee7efSAkinobu Mita default y 6683c9ee7efSAkinobu Mita 6693c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6703c9ee7efSAkinobu Mita bool 6713c9ee7efSAkinobu Mita default y 6723c9ee7efSAkinobu Mita 6731da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6741da177e4SLinus Torvalds bool 6751da177e4SLinus Torvalds default y 6761da177e4SLinus Torvalds 6777bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6787bcf7717SRalf Baechle bool 6797bcf7717SRalf Baechle default y 6807bcf7717SRalf Baechle 6818db02010SRalf Baechleconfig GENERIC_TIME 6828db02010SRalf Baechle bool 6838db02010SRalf Baechle default y 6848db02010SRalf Baechle 685f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 686f5ff0a28SRalf Baechle bool 687f5ff0a28SRalf Baechle default y 688f5ff0a28SRalf Baechle 6891cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6901cc89038SAtsushi Nemoto bool 6911cc89038SAtsushi Nemoto default y 6921cc89038SAtsushi Nemoto 693e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 694e77c232cSFranck Bui-Huu bool 695e77c232cSFranck Bui-Huu default n 696e77c232cSFranck Bui-Huu 6971da177e4SLinus Torvalds# 6981da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6991da177e4SLinus Torvalds# 7001da177e4SLinus Torvaldsconfig ARC 7011da177e4SLinus Torvalds bool 7021da177e4SLinus Torvalds 70361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 70461ed242dSRalf Baechle bool 70561ed242dSRalf Baechle 7069267a30dSMarc St-Jeanconfig BOOT_RAW 7079267a30dSMarc St-Jean bool 7089267a30dSMarc St-Jean 709df78b5c8SAurelien Jarnoconfig CFE 710df78b5c8SAurelien Jarno bool 711df78b5c8SAurelien Jarno 7121da177e4SLinus Torvaldsconfig DMA_COHERENT 7131da177e4SLinus Torvalds bool 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvaldsconfig DMA_IP27 7161da177e4SLinus Torvalds bool 7171da177e4SLinus Torvalds 7184ce588cdSRalf Baechleconfig DMA_IP32 7194ce588cdSRalf Baechle bool 7204ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7214ce588cdSRalf Baechle 7221da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7231da177e4SLinus Torvalds bool 7244ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7254ce588cdSRalf Baechle 7264ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7274ce588cdSRalf Baechle bool 7281da177e4SLinus Torvalds 7291da177e4SLinus Torvaldsconfig EARLY_PRINTK 73036a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 73136a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 73236a88530SRalf Baechle default y 73336a88530SRalf Baechle help 73436a88530SRalf Baechle This option enables special console drivers which allow the kernel 73536a88530SRalf Baechle to print messages very early in the bootup process. 73636a88530SRalf Baechle 73736a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 738490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 739490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 740490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 74136a88530SRalf Baechle unless you want to debug such a crash. 74236a88530SRalf Baechle 74336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7441da177e4SLinus Torvalds bool 7451da177e4SLinus Torvalds 746dbb74540SRalf Baechleconfig HOTPLUG_CPU 747dbb74540SRalf Baechle bool 748dbb74540SRalf Baechle default n 749dbb74540SRalf Baechle 7501da177e4SLinus Torvaldsconfig I8259 7511da177e4SLinus Torvalds bool 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvaldsconfig MIPS_BONITO64 7541da177e4SLinus Torvalds bool 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvaldsconfig MIPS_MSC 7571da177e4SLinus Torvalds bool 7581da177e4SLinus Torvalds 7591f21d2bdSBrian Murphyconfig MIPS_NILE4 7601f21d2bdSBrian Murphy bool 7611f21d2bdSBrian Murphy 7621da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7631da177e4SLinus Torvalds bool 7641da177e4SLinus Torvalds 765d388d685SMaciej W. Rozyckiconfig NO_IOPORT 766d388d685SMaciej W. Rozycki def_bool n 767d388d685SMaciej W. Rozycki 7688313da30SRalf Baechleconfig GENERIC_ISA_DMA 7698313da30SRalf Baechle bool 7708313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7718313da30SRalf Baechle 772aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 773aa414dffSRalf Baechle bool 7748313da30SRalf Baechle select GENERIC_ISA_DMA 775aa414dffSRalf Baechle 77609663335SYoichi Yuasaconfig GENERIC_GPIO 77709663335SYoichi Yuasa bool 77809663335SYoichi Yuasa 7795e83d430SRalf Baechle# 7803cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7815e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7825e83d430SRalf Baechle# choice statement should be more obvious to the user. 7835e83d430SRalf Baechle# 7845e83d430SRalf Baechlechoice 7855e83d430SRalf Baechle prompt "Endianess selection" 7861da177e4SLinus Torvalds help 7871da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7885e83d430SRalf Baechle byte order. These modes require different kernels and a different 7893cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7905e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7913dde6ad8SDavid Sterba one or the other endianness. 7925e83d430SRalf Baechle 7935e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7945e83d430SRalf Baechle bool "Big endian" 7955e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7965e83d430SRalf Baechle 7975e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7985e83d430SRalf Baechle bool "Little endian" 7995e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8005e83d430SRalf Baechle help 8015e83d430SRalf Baechle 8025e83d430SRalf Baechleendchoice 8035e83d430SRalf Baechle 8042116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8052116245eSRalf Baechle bool 8062116245eSRalf Baechle 8075e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8085e83d430SRalf Baechle bool 8095e83d430SRalf Baechle 8105e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8115e83d430SRalf Baechle bool 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvaldsconfig IRQ_CPU 8141da177e4SLinus Torvalds bool 8151da177e4SLinus Torvalds 8161da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8171da177e4SLinus Torvalds bool 8181da177e4SLinus Torvalds 8195e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8205e83d430SRalf Baechle bool 8215e83d430SRalf Baechle 8229267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8239267a30dSMarc St-Jean bool 8249267a30dSMarc St-Jean 8259267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8269267a30dSMarc St-Jean bool 8279267a30dSMarc St-Jean 8288420fd00SAtsushi Nemotoconfig IRQ_TXX9 8298420fd00SAtsushi Nemoto bool 8308420fd00SAtsushi Nemoto 831d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 832d5ab1a69SYoichi Yuasa bool 833d5ab1a69SYoichi Yuasa 8341da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8351da177e4SLinus Torvalds bool 8361da177e4SLinus Torvalds 837252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8381da177e4SLinus Torvalds bool 8391da177e4SLinus Torvalds 8409267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8419267a30dSMarc St-Jean bool 8429267a30dSMarc St-Jean 8431da177e4SLinus Torvaldsconfig MIPS_TX3927 8441da177e4SLinus Torvalds bool 8451da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8461da177e4SLinus Torvalds 847663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 848663c3d90Sthomas@koeller.dyndns.org bool 849663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 850663c3d90Sthomas@koeller.dyndns.org 851bdf21b18SPete Popovconfig PNX8550 852bdf21b18SPete Popov bool 853bdf21b18SPete Popov select SOC_PNX8550 854bdf21b18SPete Popov 855bdf21b18SPete Popovconfig SOC_PNX8550 856bdf21b18SPete Popov bool 857bdf21b18SPete Popov select DMA_NONCOHERENT 858bdf21b18SPete Popov select HW_HAS_PCI 859b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 86036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8617cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 862e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 863cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8644ead1681SFlorian Fainelli select GENERIC_GPIO 865bdf21b18SPete Popov 8661da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8671da177e4SLinus Torvalds bool 8681da177e4SLinus Torvalds 869355c471fSdmitry pervushinconfig EMMA2RH 870355c471fSdmitry pervushin bool 871355c471fSdmitry pervushin depends on MARKEINS 872355c471fSdmitry pervushin default y 873355c471fSdmitry pervushin 874663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 875663c3d90Sthomas@koeller.dyndns.org bool 876663c3d90Sthomas@koeller.dyndns.org 8775e83d430SRalf Baechleconfig ARC32 8785e83d430SRalf Baechle bool 8795e83d430SRalf Baechle 8801da177e4SLinus Torvaldsconfig BOOT_ELF32 8811da177e4SLinus Torvalds bool 8821da177e4SLinus Torvalds 8831da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 8841da177e4SLinus Torvalds int 88506cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 88606cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 8879267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 8881da177e4SLinus Torvalds default "5" 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 8911da177e4SLinus Torvalds bool 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvaldsconfig ARC_CONSOLE 8941da177e4SLinus Torvalds bool "ARC console support" 89536a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvaldsconfig ARC_MEMORY 8981da177e4SLinus Torvalds bool 89914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9001da177e4SLinus Torvalds default y 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvaldsconfig ARC_PROMLIB 9031da177e4SLinus Torvalds bool 90414b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 9051da177e4SLinus Torvalds default y 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvaldsconfig ARC64 9081da177e4SLinus Torvalds bool 9091da177e4SLinus Torvalds 9101da177e4SLinus Torvaldsconfig BOOT_ELF64 9111da177e4SLinus Torvalds bool 9121da177e4SLinus Torvalds 9131da177e4SLinus Torvaldsmenu "CPU selection" 9141da177e4SLinus Torvalds 9157bcf7717SRalf Baechlesource "kernel/time/Kconfig" 9167bcf7717SRalf Baechle 9171da177e4SLinus Torvaldschoice 9181da177e4SLinus Torvalds prompt "CPU type" 9191da177e4SLinus Torvalds default CPU_R4X00 9201da177e4SLinus Torvalds 9212a21c730SFuxin Zhangconfig CPU_LOONGSON2 9222a21c730SFuxin Zhang bool "Loongson 2" 9232a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9242a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9252a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9262a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9272a21c730SFuxin Zhang help 9282a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9292a21c730SFuxin Zhang with many extensions. 9302a21c730SFuxin Zhang 9316e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9326e760c8dSRalf Baechle bool "MIPS32 Release 1" 9337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 934f7062ddbSRalf Baechle select CPU_HAS_LLSC 9356e760c8dSRalf Baechle select CPU_HAS_PREFETCH 936797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 937ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9386e760c8dSRalf Baechle help 9395e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9401e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9411e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9421e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9431e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9441e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9451e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9461e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9471e5f1caaSRalf Baechle performance. 9481e5f1caaSRalf Baechle 9491e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9501e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 952f7062ddbSRalf Baechle select CPU_HAS_LLSC 9531e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 954797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 955ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9561e5f1caaSRalf Baechle help 9575e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9586e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9596e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9606e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9616e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9621da177e4SLinus Torvalds 9636e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9646e760c8dSRalf Baechle bool "MIPS64 Release 1" 9657cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 966f7062ddbSRalf Baechle select CPU_HAS_LLSC 967797798c1SRalf Baechle select CPU_HAS_PREFETCH 968ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 969ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 970ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9716e760c8dSRalf Baechle help 9726e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9736e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9746e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9756e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9766e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9771e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9781e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9791e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9801e5f1caaSRalf Baechle performance. 9811e5f1caaSRalf Baechle 9821e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9831e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9847cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 985f7062ddbSRalf Baechle select CPU_HAS_LLSC 986797798c1SRalf Baechle select CPU_HAS_PREFETCH 9871e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9881e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 989ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9901e5f1caaSRalf Baechle help 9911e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9921e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9931e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9941e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9951e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvaldsconfig CPU_R3000 9981da177e4SLinus Torvalds bool "R3000" 9997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1000f7062ddbSRalf Baechle select CPU_HAS_WB 1001ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1002797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10031da177e4SLinus Torvalds help 10041da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10051da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10061da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10071da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10081da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10091da177e4SLinus Torvalds try to recompile with R3000. 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsconfig CPU_TX39XX 10121da177e4SLinus Torvalds bool "R39XX" 10137cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1014ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldsconfig CPU_VR41XX 10171da177e4SLinus Torvalds bool "R41xx" 10187cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1019ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1020ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10211da177e4SLinus Torvalds help 10225e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10231da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10241da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10251da177e4SLinus Torvalds processor or vice versa. 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvaldsconfig CPU_R4300 10281da177e4SLinus Torvalds bool "R4300" 10297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1030f7062ddbSRalf Baechle select CPU_HAS_LLSC 1031ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1032ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10331da177e4SLinus Torvalds help 10341da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvaldsconfig CPU_R4X00 10371da177e4SLinus Torvalds bool "R4x00" 10387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1039f7062ddbSRalf Baechle select CPU_HAS_LLSC 1040ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1041ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10421da177e4SLinus Torvalds help 10431da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10441da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvaldsconfig CPU_TX49XX 10471da177e4SLinus Torvalds bool "R49XX" 10487cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1049f7062ddbSRalf Baechle select CPU_HAS_LLSC 1050de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1051ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1052ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10531da177e4SLinus Torvalds 10541da177e4SLinus Torvaldsconfig CPU_R5000 10551da177e4SLinus Torvalds bool "R5000" 10567cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1057f7062ddbSRalf Baechle select CPU_HAS_LLSC 1058ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1059ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10601da177e4SLinus Torvalds help 10611da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10621da177e4SLinus Torvalds 10631da177e4SLinus Torvaldsconfig CPU_R5432 10641da177e4SLinus Torvalds bool "R5432" 10657cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1066f7062ddbSRalf Baechle select CPU_HAS_LLSC 10675e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10685e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvaldsconfig CPU_R6000 10711da177e4SLinus Torvalds bool "R6000" 1072ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1073f7062ddbSRalf Baechle select CPU_HAS_LLSC 10747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1075ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10761da177e4SLinus Torvalds help 10771da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1078c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvaldsconfig CPU_NEVADA 10811da177e4SLinus Torvalds bool "RM52xx" 10827cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 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 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10881da177e4SLinus Torvalds 10891da177e4SLinus Torvaldsconfig CPU_R8000 10901da177e4SLinus Torvalds bool "R8000" 1091ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10927cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1093f7062ddbSRalf Baechle select CPU_HAS_LLSC 10945e83d430SRalf Baechle select CPU_HAS_PREFETCH 1095ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10961da177e4SLinus Torvalds help 10971da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10981da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvaldsconfig CPU_R10000 11011da177e4SLinus Torvalds bool "R10000" 11027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1103f7062ddbSRalf Baechle select CPU_HAS_LLSC 11045e83d430SRalf Baechle select CPU_HAS_PREFETCH 1105ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1106ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1107797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11081da177e4SLinus Torvalds help 11091da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11101da177e4SLinus Torvalds 11111da177e4SLinus Torvaldsconfig CPU_RM7000 11121da177e4SLinus Torvalds bool "RM7000" 11137cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1114f7062ddbSRalf Baechle select CPU_HAS_LLSC 11155e83d430SRalf Baechle select CPU_HAS_PREFETCH 1116ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1117ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1118797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11191da177e4SLinus Torvalds 11201da177e4SLinus Torvaldsconfig CPU_RM9000 11211da177e4SLinus Torvalds bool "RM9000" 11227cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1123f7062ddbSRalf Baechle select CPU_HAS_LLSC 11245e83d430SRalf Baechle select CPU_HAS_PREFETCH 1125ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1127797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11280004a9dfSRalf Baechle select WEAK_ORDERING 11291da177e4SLinus Torvalds 11301da177e4SLinus Torvaldsconfig CPU_SB1 11311da177e4SLinus Torvalds bool "SB1" 11327cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1133f7062ddbSRalf Baechle select CPU_HAS_LLSC 1134ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1135ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1136797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11370004a9dfSRalf Baechle select WEAK_ORDERING 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvaldsendchoice 11401da177e4SLinus Torvalds 11412a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11422a21c730SFuxin Zhang bool 11432a21c730SFuxin Zhang 11447cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11457cf8053bSRalf Baechle bool 11467cf8053bSRalf Baechle 11477cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11487cf8053bSRalf Baechle bool 11497cf8053bSRalf Baechle 11507cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11517cf8053bSRalf Baechle bool 11527cf8053bSRalf Baechle 11537cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11547cf8053bSRalf Baechle bool 11557cf8053bSRalf Baechle 11567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11577cf8053bSRalf Baechle bool 11587cf8053bSRalf Baechle 11597cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11607cf8053bSRalf Baechle bool 11617cf8053bSRalf Baechle 11627cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11637cf8053bSRalf Baechle bool 11647cf8053bSRalf Baechle 11657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11667cf8053bSRalf Baechle bool 11677cf8053bSRalf Baechle 11687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11697cf8053bSRalf Baechle bool 11707cf8053bSRalf Baechle 11717cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11727cf8053bSRalf Baechle bool 11737cf8053bSRalf Baechle 11747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11757cf8053bSRalf Baechle bool 11767cf8053bSRalf Baechle 11777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11787cf8053bSRalf Baechle bool 11797cf8053bSRalf Baechle 11807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11817cf8053bSRalf Baechle bool 11827cf8053bSRalf Baechle 11837cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11847cf8053bSRalf Baechle bool 11857cf8053bSRalf Baechle 11867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11877cf8053bSRalf Baechle bool 11887cf8053bSRalf Baechle 11897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11907cf8053bSRalf Baechle bool 11917cf8053bSRalf Baechle 11927cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11937cf8053bSRalf Baechle bool 11947cf8053bSRalf Baechle 11957cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11967cf8053bSRalf Baechle bool 11977cf8053bSRalf Baechle 11987cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11997cf8053bSRalf Baechle bool 12007cf8053bSRalf Baechle 120117099b11SRalf Baechle# 120217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 120317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 120417099b11SRalf Baechle# 12050004a9dfSRalf Baechleconfig WEAK_ORDERING 12060004a9dfSRalf Baechle bool 120717099b11SRalf Baechle 120817099b11SRalf Baechle# 120917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 121017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 121117099b11SRalf Baechle# 121217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 121317099b11SRalf Baechle bool 12145e83d430SRalf Baechleendmenu 12155e83d430SRalf Baechle 12165e83d430SRalf Baechle# 12175e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12185e83d430SRalf Baechle# 12195e83d430SRalf Baechleconfig CPU_MIPS32 12205e83d430SRalf Baechle bool 12215e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12225e83d430SRalf Baechle 12235e83d430SRalf Baechleconfig CPU_MIPS64 12245e83d430SRalf Baechle bool 12255e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12265e83d430SRalf Baechle 12275e83d430SRalf Baechle# 1228c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12295e83d430SRalf Baechle# 12305e83d430SRalf Baechleconfig CPU_MIPSR1 12315e83d430SRalf Baechle bool 12325e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12335e83d430SRalf Baechle 12345e83d430SRalf Baechleconfig CPU_MIPSR2 12355e83d430SRalf Baechle bool 12365e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12375e83d430SRalf Baechle 12385e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12395e83d430SRalf Baechle bool 12405e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12415e83d430SRalf Baechle bool 12425e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12435e83d430SRalf Baechle bool 12445e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12455e83d430SRalf Baechle bool 12465e83d430SRalf Baechle 12475e83d430SRalf Baechlemenu "Kernel type" 12485e83d430SRalf Baechle 12495e83d430SRalf Baechlechoice 12505e83d430SRalf Baechle 12515e83d430SRalf Baechle prompt "Kernel code model" 12525e83d430SRalf Baechle help 12535e83d430SRalf Baechle You should only select this option if you have a workload that 12545e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12555e83d430SRalf Baechle large memory. You will only be presented a single option in this 12565e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12575e83d430SRalf Baechle 12585e83d430SRalf Baechleconfig 32BIT 12595e83d430SRalf Baechle bool "32-bit kernel" 12605e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12615e83d430SRalf Baechle select TRAD_SIGNALS 12625e83d430SRalf Baechle help 12635e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12645e83d430SRalf Baechleconfig 64BIT 12655e83d430SRalf Baechle bool "64-bit kernel" 12665e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12675e83d430SRalf Baechle help 12685e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12695e83d430SRalf Baechle 12705e83d430SRalf Baechleendchoice 12715e83d430SRalf Baechle 12721da177e4SLinus Torvaldschoice 12731da177e4SLinus Torvalds prompt "Kernel page size" 12741da177e4SLinus Torvalds default PAGE_SIZE_4KB 12751da177e4SLinus Torvalds 12761da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12771da177e4SLinus Torvalds bool "4kB" 12781da177e4SLinus Torvalds help 12791da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12801da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12811da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12821da177e4SLinus Torvalds recommended for low memory systems. 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12851da177e4SLinus Torvalds bool "8kB" 12861da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12871da177e4SLinus Torvalds help 12881da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12891da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12901da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12911da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12921da177e4SLinus Torvalds compatibility of user applications. 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12951da177e4SLinus Torvalds bool "16kB" 1296714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12971da177e4SLinus Torvalds help 12981da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12991da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1300714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1301714bfad6SRalf Baechle Linux distribution to support this. 13021da177e4SLinus Torvalds 13031da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13041da177e4SLinus Torvalds bool "64kB" 13051da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13061da177e4SLinus Torvalds help 13071da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13081da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13091da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1310714bfad6SRalf Baechle writing this option is still high experimental. 13111da177e4SLinus Torvalds 13121da177e4SLinus Torvaldsendchoice 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvaldsconfig BOARD_SCACHE 13151da177e4SLinus Torvalds bool 13161da177e4SLinus Torvalds 13171da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13181da177e4SLinus Torvalds bool 13191da177e4SLinus Torvalds select BOARD_SCACHE 13201da177e4SLinus Torvalds 13219318c51aSChris Dearman# 13229318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13239318c51aSChris Dearman# 13249318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13259318c51aSChris Dearman bool 13269318c51aSChris Dearman select BOARD_SCACHE 13279318c51aSChris Dearman 13281da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13291da177e4SLinus Torvalds bool 13301da177e4SLinus Torvalds select BOARD_SCACHE 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13331da177e4SLinus Torvalds bool 13341da177e4SLinus Torvalds select BOARD_SCACHE 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13371da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13381da177e4SLinus Torvalds depends on CPU_SB1 13391da177e4SLinus Torvalds help 13401da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13411da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13421da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1345c8094b53SRalf Baechle bool 13461da177e4SLinus Torvalds 1347340ee4b9SRalf Baechlechoice 1348340ee4b9SRalf Baechle prompt "MIPS MT options" 1349f41ae0b2SRalf Baechle 1350f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1351f41ae0b2SRalf Baechle bool "Disable multithreading support." 1352f41ae0b2SRalf Baechle help 1353f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1354f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1355f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1356f41ae0b2SRalf Baechle option in this menu. 1357340ee4b9SRalf Baechle 135859d6ab86SRalf Baechleconfig MIPS_MT_SMP 135959d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 136059d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 136159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1362d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 136359d6ab86SRalf Baechle select CPU_MIPSR2_SRS 136459d6ab86SRalf Baechle select MIPS_MT 1365f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 136659d6ab86SRalf Baechle select SMP 136759d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 136859d6ab86SRalf Baechle help 136959d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 137059d6ab86SRalf Baechle has been marketesed into SMVP. 137159d6ab86SRalf Baechle 137241c594abSRalf Baechleconfig MIPS_MT_SMTC 137341c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1374f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1375f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1376f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1377ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1378f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1379d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1380f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1381f41ae0b2SRalf Baechle select MIPS_MT 1382130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 138341c594abSRalf Baechle select SMP 138473b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1385f41ae0b2SRalf Baechle help 1386f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1387f41ae0b2SRalf Baechle marketesed into SMVP. 138841c594abSRalf Baechle 1389340ee4b9SRalf Baechleendchoice 1390340ee4b9SRalf Baechle 1391f41ae0b2SRalf Baechleconfig MIPS_MT 1392f41ae0b2SRalf Baechle bool 1393f41ae0b2SRalf Baechle 1394f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1395f41ae0b2SRalf Baechle bool 1396f41ae0b2SRalf Baechle 1397f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1398f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1399f088fc84SRalf Baechle default y 140007cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 140107cc0c9eSRalf Baechle 140207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 140307cc0c9eSRalf Baechle bool "VPE loader support." 140407cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 140507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 140607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 140707cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 140807cc0c9eSRalf Baechle select MIPS_MT 140907cc0c9eSRalf Baechle help 141007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 141107cc0c9eSRalf Baechle onto another VPE and running it. 1412f088fc84SRalf Baechle 1413ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1414ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1415619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1416ac8be955SRalf Baechle default y 1417ac8be955SRalf Baechle help 1418ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1419ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1420ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1421ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1422ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1423ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1424ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1425ac8be955SRalf Baechle heavy I/O interrupt load. 1426ac8be955SRalf Baechle 14270db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14280db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14290db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14300db34215SKevin D. Kissell default y 14310db34215SKevin D. Kissell help 14320db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14330db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14340db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14350db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14360db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14370db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14380db34215SKevin D. Kissell what you are doing. 14390db34215SKevin D. Kissell 1440f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1441f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1442f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1443f571eff0SKevin D. Kissell default n 1444f571eff0SKevin D. Kissell help 1445f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1446f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1447f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1448f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1449f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1450f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1451f571eff0SKevin D. Kissell you are doing. 1452f571eff0SKevin D. Kissell 1453e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1454e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1455e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1456e01402b1SRalf Baechle default y 1457e01402b1SRalf Baechle help 1458e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1459e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1460e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1461e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1462e01402b1SRalf Baechle 1463e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1464e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1465e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1466e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14675e83d430SRalf Baechle help 1468e01402b1SRalf Baechle 14692600990eSRalf Baechleconfig MIPS_APSP_KSPD 14702600990eSRalf Baechle bool "Enable KSPD" 14712600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14722600990eSRalf Baechle default y 14732600990eSRalf Baechle help 14742600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14752600990eSRalf Baechle side, actions them and returns the results. It also handles the 14762600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14772600990eSRalf Baechle exiting. You probably want to say yes here. 14782600990eSRalf Baechle 14791da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14801da177e4SLinus Torvalds bool 14811da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14821da177e4SLinus Torvalds default y 14831da177e4SLinus Torvalds 14841da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14851da177e4SLinus Torvalds bool 14861da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14871da177e4SLinus Torvalds default y 14881da177e4SLinus Torvalds 14891da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14901da177e4SLinus Torvalds bool 14911da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14921da177e4SLinus Torvalds default y 14931da177e4SLinus Torvalds 14941da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1495d806cb2bSRalf Baechle bool 14961da177e4SLinus Torvalds 14971da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1498f7062ddbSRalf Baechle bool 14991da177e4SLinus Torvalds 15009693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15019693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15029693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15039693a853SFranck Bui-Huu help 15049693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15059693a853SFranck Bui-Huu increased security at both hardware and software level for 15069693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15079693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15089693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15099693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15109693a853SFranck Bui-Huu here. 15119693a853SFranck Bui-Huu 15121da177e4SLinus Torvaldsconfig CPU_HAS_WB 1513f7062ddbSRalf Baechle bool 1514e01402b1SRalf Baechle 15152a21c730SFuxin Zhangconfig 64BIT_CONTEXT 15162a21c730SFuxin Zhang bool "Save 64bit integer registers" 15172a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 15182a21c730SFuxin Zhang help 15192a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15202a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15212a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15222a21c730SFuxin Zhang those instructions to get correct result. 15232a21c730SFuxin Zhang 1524f41ae0b2SRalf Baechle# 1525f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1526f41ae0b2SRalf Baechle# 1527e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1528f41ae0b2SRalf Baechle bool 1529e01402b1SRalf Baechle 1530f41ae0b2SRalf Baechle# 1531f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1532f41ae0b2SRalf Baechle# 1533e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1534f41ae0b2SRalf Baechle bool 1535e01402b1SRalf Baechle 1536f41ae0b2SRalf Baechle# 1537f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1538f41ae0b2SRalf Baechle# 1539e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1540f41ae0b2SRalf Baechle bool 1541e01402b1SRalf Baechle 15421da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15431da177e4SLinus Torvalds bool 15441da177e4SLinus Torvalds depends on !CPU_R3000 15451da177e4SLinus Torvalds default y 15461da177e4SLinus Torvalds 1547ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1548ea580401SRalf Baechle bool 1549ea580401SRalf Baechle 15501da177e4SLinus Torvalds# 1551797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1552797798c1SRalf Baechle# 1553797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1554797798c1SRalf Baechle bool 1555797798c1SRalf Baechle default y 1556797798c1SRalf Baechle 1557797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1558797798c1SRalf Baechle bool 1559797798c1SRalf Baechle default y 1560797798c1SRalf Baechle 15610d7012a9SIngo Molnarconfig IRQ_PER_CPU 15620d7012a9SIngo Molnar bool 15630d7012a9SIngo Molnar 1564797798c1SRalf Baechle# 15651da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15661da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15671da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15681da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15691da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15701da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15711da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15721da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1573797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1574797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1575797798c1SRalf Baechle# support. 15761da177e4SLinus Torvalds# 15771da177e4SLinus Torvaldsconfig HIGHMEM 15781da177e4SLinus Torvalds bool "High Memory Support" 1579797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1580797798c1SRalf Baechle 1581797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1582797798c1SRalf Baechle bool 1583797798c1SRalf Baechle 1584797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1585797798c1SRalf Baechle bool 15861da177e4SLinus Torvalds 15879693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15889693a853SFranck Bui-Huu bool 15899693a853SFranck Bui-Huu 1590b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1591b4819b59SYoichi Yuasa def_bool y 1592b4819b59SYoichi Yuasa depends on !NUMA 1593b4819b59SYoichi Yuasa 1594d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1595d8cb4e11SRalf Baechle bool 1596d8cb4e11SRalf Baechle default y if SGI_IP27 1597d8cb4e11SRalf Baechle help 15983dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1599d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1600d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1601d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1602d8cb4e11SRalf Baechle 1603b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1604b1c6cd42SAtsushi Nemoto bool 16057de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 160631473747SAtsushi Nemoto 1607d8cb4e11SRalf Baechleconfig NUMA 1608d8cb4e11SRalf Baechle bool "NUMA Support" 1609d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1610d8cb4e11SRalf Baechle help 1611d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1612d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1613d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1614d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1615d8cb4e11SRalf Baechle disabled. 1616d8cb4e11SRalf Baechle 1617d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1618d8cb4e11SRalf Baechle bool 1619d8cb4e11SRalf Baechle 1620c80d79d7SYasunori Gotoconfig NODES_SHIFT 1621c80d79d7SYasunori Goto int 1622c80d79d7SYasunori Goto default "6" 1623c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1624c80d79d7SYasunori Goto 1625b4819b59SYoichi Yuasasource "mm/Kconfig" 1626b4819b59SYoichi Yuasa 16271da177e4SLinus Torvaldsconfig SMP 16281da177e4SLinus Torvalds bool "Multi-Processing support" 1629e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1630b4b30a5aSRalf Baechle select IRQ_PER_CPU 1631e73ea273SRalf Baechle help 16321da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16331da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16341da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16371da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16381da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16391da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16401da177e4SLinus Torvalds will run faster if you say N here. 16411da177e4SLinus Torvalds 16421da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16431da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16441da177e4SLinus Torvalds 16451da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16461da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16471da177e4SLinus Torvalds 16481da177e4SLinus Torvalds If you don't know what to do here, say N. 16491da177e4SLinus Torvalds 1650e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1651e73ea273SRalf Baechle bool 1652e73ea273SRalf Baechle 165372ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 165472ede9b1SAtsushi Nemoto bool 165572ede9b1SAtsushi Nemoto 1656130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1657130e2fb7SRalf Baechle bool 1658130e2fb7SRalf Baechle 1659130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1660130e2fb7SRalf Baechle bool 1661130e2fb7SRalf Baechle 1662130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1663130e2fb7SRalf Baechle bool 1664130e2fb7SRalf Baechle 1665130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1666130e2fb7SRalf Baechle bool 1667130e2fb7SRalf Baechle 1668130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1669130e2fb7SRalf Baechle bool 1670130e2fb7SRalf Baechle 1671130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1672130e2fb7SRalf Baechle bool 1673130e2fb7SRalf Baechle 16741da177e4SLinus Torvaldsconfig NR_CPUS 16751da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 167672ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16771da177e4SLinus Torvalds depends on SMP 167872ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1679130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1680130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1681130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1682130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1683130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1684130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16851da177e4SLinus Torvalds help 16861da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16871da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16881da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 168972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 169072ede9b1SAtsushi Nemoto and 2 for all others. 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 169372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 169472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 169572ede9b1SAtsushi Nemoto power of two. 16961da177e4SLinus Torvalds 16971723b4a3SAtsushi Nemoto# 16981723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16991723b4a3SAtsushi Nemoto# 17001723b4a3SAtsushi Nemoto 17011723b4a3SAtsushi Nemotochoice 17021723b4a3SAtsushi Nemoto prompt "Timer frequency" 17031723b4a3SAtsushi Nemoto default HZ_250 17041723b4a3SAtsushi Nemoto help 17051723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 17061723b4a3SAtsushi Nemoto 17071723b4a3SAtsushi Nemoto config HZ_48 17081723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 17091723b4a3SAtsushi Nemoto 17101723b4a3SAtsushi Nemoto config HZ_100 17111723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17121723b4a3SAtsushi Nemoto 17131723b4a3SAtsushi Nemoto config HZ_128 17141723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17151723b4a3SAtsushi Nemoto 17161723b4a3SAtsushi Nemoto config HZ_250 17171723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17181723b4a3SAtsushi Nemoto 17191723b4a3SAtsushi Nemoto config HZ_256 17201723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17211723b4a3SAtsushi Nemoto 17221723b4a3SAtsushi Nemoto config HZ_1000 17231723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17241723b4a3SAtsushi Nemoto 17251723b4a3SAtsushi Nemoto config HZ_1024 17261723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17271723b4a3SAtsushi Nemoto 17281723b4a3SAtsushi Nemotoendchoice 17291723b4a3SAtsushi Nemoto 17301723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17311723b4a3SAtsushi Nemoto bool 17321723b4a3SAtsushi Nemoto 17331723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17341723b4a3SAtsushi Nemoto bool 17351723b4a3SAtsushi Nemoto 17361723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17371723b4a3SAtsushi Nemoto bool 17381723b4a3SAtsushi Nemoto 17391723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17401723b4a3SAtsushi Nemoto bool 17411723b4a3SAtsushi Nemoto 17421723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17431723b4a3SAtsushi Nemoto bool 17441723b4a3SAtsushi Nemoto 17451723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17461723b4a3SAtsushi Nemoto bool 17471723b4a3SAtsushi Nemoto 17481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17491723b4a3SAtsushi Nemoto bool 17501723b4a3SAtsushi Nemoto 17511723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17521723b4a3SAtsushi Nemoto bool 17531723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17541723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17551723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17561723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17571723b4a3SAtsushi Nemoto 17581723b4a3SAtsushi Nemotoconfig HZ 17591723b4a3SAtsushi Nemoto int 17601723b4a3SAtsushi Nemoto default 48 if HZ_48 17611723b4a3SAtsushi Nemoto default 100 if HZ_100 17621723b4a3SAtsushi Nemoto default 128 if HZ_128 17631723b4a3SAtsushi Nemoto default 250 if HZ_250 17641723b4a3SAtsushi Nemoto default 256 if HZ_256 17651723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17661723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17671723b4a3SAtsushi Nemoto 1768e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17691da177e4SLinus Torvalds 17701da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17711da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1772875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17731da177e4SLinus Torvalds help 17741da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17751da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17761da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17771da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17781da177e4SLinus Torvalds recommended for normal users. 17791da177e4SLinus Torvalds 1780ea6e942bSAtsushi Nemotoconfig KEXEC 1781ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1782ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1783ea6e942bSAtsushi Nemoto help 1784ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1785ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17863dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1787ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1788ea6e942bSAtsushi Nemoto 1789ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1790ea6e942bSAtsushi Nemoto 1791ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1792ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1793ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1794ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1795ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1796ea6e942bSAtsushi Nemoto 1797ea6e942bSAtsushi Nemotoconfig SECCOMP 1798ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1799293c5bd1SRalf Baechle depends on PROC_FS 1800ea6e942bSAtsushi Nemoto default y 1801ea6e942bSAtsushi Nemoto help 1802ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1803ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1804ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1805ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1806ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1807ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1808ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1809ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1810ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1811ea6e942bSAtsushi Nemoto 1812ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1813ea6e942bSAtsushi Nemoto 18145e83d430SRalf Baechleendmenu 18155e83d430SRalf Baechle 18161da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18171da177e4SLinus Torvalds bool 18181da177e4SLinus Torvalds default y 18191da177e4SLinus Torvalds 18201df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18211df0f0ffSAtsushi Nemoto bool 18221df0f0ffSAtsushi Nemoto default y 18231df0f0ffSAtsushi Nemoto 18241df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18251df0f0ffSAtsushi Nemoto bool 18261df0f0ffSAtsushi Nemoto default y 18271df0f0ffSAtsushi Nemoto 1828b6c3539bSRalf Baechlesource "init/Kconfig" 1829b6c3539bSRalf Baechle 18301da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18311da177e4SLinus Torvalds 18325e83d430SRalf Baechleconfig HW_HAS_EISA 18335e83d430SRalf Baechle bool 18341da177e4SLinus Torvaldsconfig HW_HAS_PCI 18351da177e4SLinus Torvalds bool 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvaldsconfig PCI 18381da177e4SLinus Torvalds bool "Support for PCI controller" 18391da177e4SLinus Torvalds depends on HW_HAS_PCI 1840abb4ae46SRalf Baechle select PCI_DOMAINS 18411da177e4SLinus Torvalds help 18421da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18431da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18441da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18451da177e4SLinus Torvalds say Y, otherwise N. 18461da177e4SLinus Torvalds 18471da177e4SLinus Torvalds The PCI-HOWTO, available from 18481da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18491da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18501da177e4SLinus Torvalds doesn't. 18511da177e4SLinus Torvalds 18521da177e4SLinus Torvaldsconfig PCI_DOMAINS 18531da177e4SLinus Torvalds bool 18541da177e4SLinus Torvalds 18551da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds# 18581da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18591da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18601da177e4SLinus Torvalds# users to choose the right thing ... 18611da177e4SLinus Torvalds# 18621da177e4SLinus Torvaldsconfig ISA 18631da177e4SLinus Torvalds bool 18641da177e4SLinus Torvalds 18651da177e4SLinus Torvaldsconfig EISA 18661da177e4SLinus Torvalds bool "EISA support" 18675e83d430SRalf Baechle depends on HW_HAS_EISA 18681da177e4SLinus Torvalds select ISA 1869aa414dffSRalf Baechle select GENERIC_ISA_DMA 18701da177e4SLinus Torvalds ---help--- 18711da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18721da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18731da177e4SLinus Torvalds 18741da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18751da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18761da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18771da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18781da177e4SLinus Torvalds 18791da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18801da177e4SLinus Torvalds 18811da177e4SLinus Torvalds Otherwise, say N. 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18841da177e4SLinus Torvalds 18851da177e4SLinus Torvaldsconfig TC 18861da177e4SLinus Torvalds bool "TURBOchannel support" 18871da177e4SLinus Torvalds depends on MACH_DECSTATION 18881da177e4SLinus Torvalds help 18891da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18901da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18911da177e4SLinus Torvalds is available at: 18921da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvalds#config ACCESSBUS 18951da177e4SLinus Torvalds# bool "Access.Bus support" 18961da177e4SLinus Torvalds# depends on TC 18971da177e4SLinus Torvalds 18981da177e4SLinus Torvaldsconfig MMU 18991da177e4SLinus Torvalds bool 19001da177e4SLinus Torvalds default y 19011da177e4SLinus Torvalds 1902*d865bea4SRalf Baechleconfig I8253 1903*d865bea4SRalf Baechle bool 1904*d865bea4SRalf Baechle 1905de61b542SRalf Baechleconfig PCSPEAKER 1906e5c6c8e4SMichael Neuling bool 1907e5c6c8e4SMichael Neuling 19081da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 19091da177e4SLinus Torvalds 19101da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 19111da177e4SLinus Torvalds 19121da177e4SLinus Torvaldsendmenu 19131da177e4SLinus Torvalds 19141da177e4SLinus Torvaldsmenu "Executable file formats" 19151da177e4SLinus Torvalds 19161da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19171da177e4SLinus Torvalds 19181da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19191da177e4SLinus Torvalds bool 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvaldsconfig BINFMT_IRIX 19221da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19235e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19241da177e4SLinus Torvalds 19251da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19261da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1927875d43e7SRalf Baechle depends on 64BIT 19281da177e4SLinus Torvalds help 19291da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19301da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19311da177e4SLinus Torvalds currently 32-bit you should say Y here. 19321da177e4SLinus Torvalds 19331da177e4SLinus Torvaldsconfig COMPAT 19341da177e4SLinus Torvalds bool 19351da177e4SLinus Torvalds depends on MIPS32_COMPAT 19361da177e4SLinus Torvalds default y 19371da177e4SLinus Torvalds 193805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 193905e43966SAtsushi Nemoto bool 194005e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 194105e43966SAtsushi Nemoto default y 194205e43966SAtsushi Nemoto 19431da177e4SLinus Torvaldsconfig MIPS32_O32 19441da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19451da177e4SLinus Torvalds depends on MIPS32_COMPAT 19461da177e4SLinus Torvalds help 19471da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19481da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19491da177e4SLinus Torvalds existing binaries are in this format. 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvalds If unsure, say Y. 19521da177e4SLinus Torvalds 19531da177e4SLinus Torvaldsconfig MIPS32_N32 19541da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19551da177e4SLinus Torvalds depends on MIPS32_COMPAT 19561da177e4SLinus Torvalds help 19571da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19581da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19591da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19601da177e4SLinus Torvalds cases. 19611da177e4SLinus Torvalds 19621da177e4SLinus Torvalds If unsure, say N. 19631da177e4SLinus Torvalds 19641da177e4SLinus Torvaldsconfig BINFMT_ELF32 19651da177e4SLinus Torvalds bool 19661da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19671da177e4SLinus Torvalds 19682116245eSRalf Baechleendmenu 19691da177e4SLinus Torvalds 19702116245eSRalf Baechlemenu "Power management options" 1971952fa954SRodolfo Giometti 19722116245eSRalf Baechlesource "kernel/power/Kconfig" 1973952fa954SRodolfo Giometti 19741da177e4SLinus Torvaldsendmenu 19751da177e4SLinus Torvalds 1976d5950b43SSam Ravnborgsource "net/Kconfig" 1977d5950b43SSam Ravnborg 19781da177e4SLinus Torvaldssource "drivers/Kconfig" 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvaldssource "fs/Kconfig" 19811da177e4SLinus Torvalds 19825e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19835e83d430SRalf Baechle 19841da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19851da177e4SLinus Torvalds 19861da177e4SLinus Torvaldssource "security/Kconfig" 19871da177e4SLinus Torvalds 19881da177e4SLinus Torvaldssource "crypto/Kconfig" 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvaldssource "lib/Kconfig" 1991