11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2442f77542SRalf Baechle select CEVT_R4K 25940f6b48SRalf Baechle select CSRC_R4K 2635189fadSRalf Baechle select DMA_COHERENT 2735189fadSRalf Baechle select HW_HAS_PCI 2835189fadSRalf Baechle select IRQ_CPU 2935189fadSRalf Baechle select IRQ_CPU_RM7K 3035189fadSRalf Baechle select IRQ_CPU_RM9K 31663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3235189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3335189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3435189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 35cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3635189fadSRalf Baechle help 3735189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 38be91589eSThomas Koeller Basler Vision Technologies AG. 3935189fadSRalf Baechle 401c0c13ebSAurelien Jarnoconfig BCM47XX 411c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4242f77542SRalf Baechle select CEVT_R4K 43940f6b48SRalf Baechle select CSRC_R4K 441c0c13ebSAurelien Jarno select DMA_NONCOHERENT 451c0c13ebSAurelien Jarno select HW_HAS_PCI 461c0c13ebSAurelien Jarno select IRQ_CPU 471c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 481c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 491c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 501c0c13ebSAurelien Jarno select SSB 511c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 522f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 532f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 541c0c13ebSAurelien Jarno select GENERIC_GPIO 5525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5625e5fb97SAurelien Jarno select CFE 571c0c13ebSAurelien Jarno help 581c0c13ebSAurelien Jarno Support for BCM47XX based boards 591c0c13ebSAurelien Jarno 601da177e4SLinus Torvaldsconfig MIPS_COBALT 613fa986faSMartin Michlmayr bool "Cobalt Server" 6242f77542SRalf Baechle select CEVT_R4K 63940f6b48SRalf Baechle select CSRC_R4K 641097c6acSYoichi Yuasa select CEVT_GT641XX 651da177e4SLinus Torvalds select DMA_NONCOHERENT 661da177e4SLinus Torvalds select HW_HAS_PCI 67d865bea4SRalf Baechle select I8253 681da177e4SLinus Torvalds select I8259 691da177e4SLinus Torvalds select IRQ_CPU 70d5ab1a69SYoichi Yuasa select IRQ_GT641XX 71252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 727cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 730a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 74ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 750e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 779fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 781da177e4SLinus Torvalds 791da177e4SLinus Torvaldsconfig MACH_DECSTATION 803fa986faSMartin Michlmayr bool "DECstations" 811da177e4SLinus Torvalds select BOOT_ELF32 8242f77542SRalf Baechle select CEVT_R4K 83940f6b48SRalf Baechle select CSRC_R4K 8420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 8520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 8620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 871da177e4SLinus Torvalds select DMA_NONCOHERENT 88d388d685SMaciej W. Rozycki select NO_IOPORT 891da177e4SLinus Torvalds select IRQ_CPU 907cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 917cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 92ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 93ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 945e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 951723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 985e83d430SRalf Baechle help 991da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1001da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1011da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1041da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds DECstation 5000/50 1071da177e4SLinus Torvalds DECstation 5000/150 1081da177e4SLinus Torvalds DECstation 5000/260 1091da177e4SLinus Torvalds DECsystem 5900/260 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds otherwise choose R3000. 1121da177e4SLinus Torvalds 1135e83d430SRalf Baechleconfig MACH_JAZZ 1143fa986faSMartin Michlmayr bool "Jazz family of machines" 1155e83d430SRalf Baechle select ARC 1165e83d430SRalf Baechle select ARC32 1175e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 11842f77542SRalf Baechle select CEVT_R4K 119940f6b48SRalf Baechle select CSRC_R4K 120e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1215e83d430SRalf Baechle select GENERIC_ISA_DMA 122ea202c63SThomas Bogendoerfer select IRQ_CPU 123d865bea4SRalf Baechle select I8253 1245e83d430SRalf Baechle select I8259 1255e83d430SRalf Baechle select ISA 1267cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1275e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1285e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1291723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1309fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1311da177e4SLinus Torvalds help 1325e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1335e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1345e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1355e83d430SRalf Baechle Olivetti M700-10 workstations. 1365e83d430SRalf Baechle 1371f21d2bdSBrian Murphyconfig LASAT 1381f21d2bdSBrian Murphy bool "LASAT Networks platforms" 13942f77542SRalf Baechle select CEVT_R4K 140940f6b48SRalf Baechle select CSRC_R4K 1411f21d2bdSBrian Murphy select DMA_NONCOHERENT 1421f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1431f21d2bdSBrian Murphy select HW_HAS_PCI 144a5ccfe5cSRalf Baechle select IRQ_CPU 1451f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1461f21d2bdSBrian Murphy select MIPS_NILE4 1471f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1481f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1491f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1501f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1511f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1521f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1531f21d2bdSBrian Murphy 154ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 155ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 156ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15742f77542SRalf Baechle select CEVT_R4K 158940f6b48SRalf Baechle select CSRC_R4K 159ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 160ade299d8SYoichi Yuasa select DMA_NONCOHERENT 161ade299d8SYoichi Yuasa select BOOT_ELF32 162ade299d8SYoichi Yuasa select BOARD_SCACHE 163ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 164ade299d8SYoichi Yuasa select HW_HAS_PCI 165ade299d8SYoichi Yuasa select I8259 166ade299d8SYoichi Yuasa select ISA 167ade299d8SYoichi Yuasa select IRQ_CPU 168ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 169ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 170ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 172ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 173ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17423dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 175ade299d8SYoichi Yuasa select CPU_HAS_WB 176ade299d8SYoichi Yuasa help 177ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 178ade299d8SYoichi Yuasa an FPGA northbridge 179ade299d8SYoichi Yuasa 1801da177e4SLinus Torvaldsconfig MIPS_ATLAS 1813fa986faSMartin Michlmayr bool "MIPS Atlas board" 1821da177e4SLinus Torvalds select BOOT_ELF32 183fa71c960SRalf Baechle select BOOT_RAW 18442f77542SRalf Baechle select CEVT_R4K 185940f6b48SRalf Baechle select CSRC_R4K 1861da177e4SLinus Torvalds select DMA_NONCOHERENT 18736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1885e83d430SRalf Baechle select IRQ_CPU 1891da177e4SLinus Torvalds select HW_HAS_PCI 1905e83d430SRalf Baechle select MIPS_BOARDS_GEN 1915e83d430SRalf Baechle select MIPS_BONITO64 192252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1935e83d430SRalf Baechle select MIPS_MSC 194f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1951da177e4SLinus Torvalds select SWAP_IO_SPACE 1967cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1977cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1987cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1997cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2007cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 201ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 202ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2035e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2045e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 205f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2069693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 207e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2081da177e4SLinus Torvalds help 209f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2101da177e4SLinus Torvalds board. 2111da177e4SLinus Torvalds 2121da177e4SLinus Torvaldsconfig MIPS_MALTA 2133fa986faSMartin Michlmayr bool "MIPS Malta board" 21461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2151da177e4SLinus Torvalds select BOOT_ELF32 216fa71c960SRalf Baechle select BOOT_RAW 21742f77542SRalf Baechle select CEVT_R4K 218940f6b48SRalf Baechle select CSRC_R4K 2191da177e4SLinus Torvalds select DMA_NONCOHERENT 2201da177e4SLinus Torvalds select GENERIC_ISA_DMA 221aa414dffSRalf Baechle select IRQ_CPU 2221da177e4SLinus Torvalds select HW_HAS_PCI 223d865bea4SRalf Baechle select I8253 2241da177e4SLinus Torvalds select I8259 2255e83d430SRalf Baechle select MIPS_BOARDS_GEN 2265e83d430SRalf Baechle select MIPS_BONITO64 2279318c51aSChris Dearman select MIPS_CPU_SCACHE 228252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2295e83d430SRalf Baechle select MIPS_MSC 2301da177e4SLinus Torvalds select SWAP_IO_SPACE 2317cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2347cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2357cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 23636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 237ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 238ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 241f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2429693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2431da177e4SLinus Torvalds help 244f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2451da177e4SLinus Torvalds board. 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvaldsconfig MIPS_SEAD 248d98cc84dSRalf Baechle bool "MIPS SEAD board" 24942f77542SRalf Baechle select CEVT_R4K 250940f6b48SRalf Baechle select CSRC_R4K 2511da177e4SLinus Torvalds select IRQ_CPU 2521da177e4SLinus Torvalds select DMA_NONCOHERENT 25336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2545e83d430SRalf Baechle select MIPS_BOARDS_GEN 2557cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2567cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 258ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2595e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2605e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2615e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2629693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 263f638d197SMaciej W. Rozycki help 264f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 265f638d197SMaciej W. Rozycki board. 2661da177e4SLinus Torvalds 267c78cbf49SRalf Baechleconfig MIPS_SIM 2683fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 26942f77542SRalf Baechle select CEVT_R4K 270940f6b48SRalf Baechle select CSRC_R4K 271c78cbf49SRalf Baechle select DMA_NONCOHERENT 27236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 273c78cbf49SRalf Baechle select IRQ_CPU 2749267a30dSMarc St-Jean select BOOT_RAW 2757cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2767cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 27736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 278c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 279c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 280f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 281c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 282c78cbf49SRalf Baechle help 283c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 284c78cbf49SRalf Baechle emulator. 285c78cbf49SRalf Baechle 286ade299d8SYoichi Yuasaconfig MARKEINS 287ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 28842f77542SRalf Baechle select CEVT_R4K 289940f6b48SRalf Baechle select CSRC_R4K 290ade299d8SYoichi Yuasa select DMA_NONCOHERENT 291ade299d8SYoichi Yuasa select HW_HAS_PCI 292ade299d8SYoichi Yuasa select IRQ_CPU 293ade299d8SYoichi Yuasa select SWAP_IO_SPACE 294ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 295ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 296ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 297ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 298ade299d8SYoichi Yuasa help 299ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 300ade299d8SYoichi Yuasa boards with R5500 CPU. 301ade299d8SYoichi Yuasa 3025e83d430SRalf Baechleconfig MACH_VR41XX 30374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 30442f77542SRalf Baechle select CEVT_R4K 305940f6b48SRalf Baechle select CSRC_R4K 3067cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3079fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3085e83d430SRalf Baechle 309ade299d8SYoichi Yuasaconfig PNX8550_JBS 310ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 311ade299d8SYoichi Yuasa select PNX8550 312ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 313ade299d8SYoichi Yuasa 314ade299d8SYoichi Yuasaconfig PNX8550_STB810 315ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 316ade299d8SYoichi Yuasa select PNX8550 317ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 318ade299d8SYoichi Yuasa 3199267a30dSMarc St-Jeanconfig PMC_MSP 3209267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3219267a30dSMarc St-Jean depends on EXPERIMENTAL 3229267a30dSMarc St-Jean select DMA_NONCOHERENT 3239267a30dSMarc St-Jean select SWAP_IO_SPACE 3249267a30dSMarc St-Jean select NO_EXCEPT_FILL 3259267a30dSMarc St-Jean select BOOT_RAW 3269267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3279267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3289267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3299267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3309267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3319267a30dSMarc St-Jean select IRQ_CPU 3329267a30dSMarc St-Jean select SERIAL_8250 3339267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3349267a30dSMarc St-Jean help 3359267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3369267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3379267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3389267a30dSMarc St-Jean a variety of MIPS cores. 3399267a30dSMarc St-Jean 3405e83d430SRalf Baechleconfig PMC_YOSEMITE 3413fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 34242f77542SRalf Baechle select CEVT_R4K 343940f6b48SRalf Baechle select CSRC_R4K 3445e83d430SRalf Baechle select DMA_COHERENT 3455e83d430SRalf Baechle select HW_HAS_PCI 3465e83d430SRalf Baechle select IRQ_CPU 3475e83d430SRalf Baechle select IRQ_CPU_RM7K 3485e83d430SRalf Baechle select IRQ_CPU_RM9K 3495e83d430SRalf Baechle select SWAP_IO_SPACE 3507cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 35136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3525e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3535e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3555e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 356cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 357e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3585e83d430SRalf Baechle help 3595e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3605e83d430SRalf Baechle manufactured by PMC-Sierra. 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvaldsconfig SGI_IP22 3633fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3641da177e4SLinus Torvalds select ARC 3651da177e4SLinus Torvalds select ARC32 3661da177e4SLinus Torvalds select BOOT_ELF32 36742f77542SRalf Baechle select CEVT_R4K 368940f6b48SRalf Baechle select CSRC_R4K 369e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3701da177e4SLinus Torvalds select DMA_NONCOHERENT 3715e83d430SRalf Baechle select HW_HAS_EISA 372d865bea4SRalf Baechle select I8253 37368de4803SThomas Bogendoerfer select I8259 3741da177e4SLinus Torvalds select IP22_CPU_SCACHE 3751da177e4SLinus Torvalds select IRQ_CPU 376aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 377e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 378e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 379e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 380e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 381e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 382e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3831da177e4SLinus Torvalds select SWAP_IO_SPACE 3847cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3857cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 38636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 387ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 388ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3901da177e4SLinus Torvalds help 3911da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3921da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3931da177e4SLinus Torvalds that runs on these, say Y here. 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvaldsconfig SGI_IP27 3963fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3971da177e4SLinus Torvalds select ARC 3981da177e4SLinus Torvalds select ARC64 3995e83d430SRalf Baechle select BOOT_ELF64 400e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4011da177e4SLinus Torvalds select DMA_IP27 40236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4031da177e4SLinus Torvalds select HW_HAS_PCI 404130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4057cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 406ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4075e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 408cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 409d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4101a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 411e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4121da177e4SLinus Torvalds help 4131da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4141da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4151da177e4SLinus Torvalds here. 4161da177e4SLinus Torvalds 417e2defae5SThomas Bogendoerferconfig SGI_IP28 418e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 419e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 420e2defae5SThomas Bogendoerfer select ARC 421e2defae5SThomas Bogendoerfer select ARC64 422e2defae5SThomas Bogendoerfer select BOOT_ELF64 423e2defae5SThomas Bogendoerfer select CEVT_R4K 424e2defae5SThomas Bogendoerfer select CSRC_R4K 425e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 426e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 427e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 428e2defae5SThomas Bogendoerfer select IRQ_CPU 429e2defae5SThomas Bogendoerfer select HW_HAS_EISA 430e2defae5SThomas Bogendoerfer select I8253 431e2defae5SThomas Bogendoerfer select I8259 432e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 433e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 434e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 435e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 436e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 437e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 438e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 439e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 440e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 441e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 442e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 443e2defae5SThomas Bogendoerfer help 444e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 445e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 446e2defae5SThomas Bogendoerfer 4471da177e4SLinus Torvaldsconfig SGI_IP32 448cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4491da177e4SLinus Torvalds select ARC 4501da177e4SLinus Torvalds select ARC32 4511da177e4SLinus Torvalds select BOOT_ELF32 45242f77542SRalf Baechle select CEVT_R4K 453940f6b48SRalf Baechle select CSRC_R4K 4541da177e4SLinus Torvalds select DMA_NONCOHERENT 4551da177e4SLinus Torvalds select HW_HAS_PCI 456dd67b155SRalf Baechle select IRQ_CPU 4571da177e4SLinus Torvalds select R5000_CPU_SCACHE 4581da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4597cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4607cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4617cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 462dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 463ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4651da177e4SLinus Torvalds help 4661da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4671da177e4SLinus Torvalds 468ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 469ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4705e83d430SRalf Baechle depends on EXPERIMENTAL 4715e83d430SRalf Baechle select BOOT_ELF32 4725e83d430SRalf Baechle select DMA_COHERENT 4735e83d430SRalf Baechle select SIBYTE_BCM1120 4745e83d430SRalf Baechle select SWAP_IO_SPACE 4757cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4785e83d430SRalf Baechle 479ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 480ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4815e83d430SRalf Baechle depends on EXPERIMENTAL 4825e83d430SRalf Baechle select BOOT_ELF32 4835e83d430SRalf Baechle select DMA_COHERENT 4845e83d430SRalf Baechle select SIBYTE_BCM1120 4855e83d430SRalf Baechle select SWAP_IO_SPACE 4867cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4895e83d430SRalf Baechle 4905e83d430SRalf Baechleconfig SIBYTE_CRHONE 4913fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4925e83d430SRalf Baechle depends on EXPERIMENTAL 4935e83d430SRalf Baechle select BOOT_ELF32 4945e83d430SRalf Baechle select DMA_COHERENT 4955e83d430SRalf Baechle select SIBYTE_BCM1125 4965e83d430SRalf Baechle select SWAP_IO_SPACE 4977cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4985e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4995e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5005e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5015e83d430SRalf Baechle 502ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 503ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 504ade299d8SYoichi Yuasa depends on EXPERIMENTAL 505ade299d8SYoichi Yuasa select BOOT_ELF32 506ade299d8SYoichi Yuasa select DMA_COHERENT 507ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 508ade299d8SYoichi Yuasa select SWAP_IO_SPACE 509ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 512ade299d8SYoichi Yuasa 513ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 514ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 515ade299d8SYoichi Yuasa select BOOT_ELF32 516ade299d8SYoichi Yuasa select DMA_COHERENT 517ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 518ade299d8SYoichi Yuasa select SIBYTE_SB1250 519ade299d8SYoichi Yuasa select SWAP_IO_SPACE 520ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 521ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 522ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 525cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 526ade299d8SYoichi Yuasa 527ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 528ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 529ade299d8SYoichi Yuasa depends on EXPERIMENTAL 530ade299d8SYoichi Yuasa select BOOT_ELF32 531ade299d8SYoichi Yuasa select DMA_COHERENT 532ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 533ade299d8SYoichi Yuasa select SIBYTE_SB1250 534ade299d8SYoichi Yuasa select SWAP_IO_SPACE 535ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 536ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 537ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 538ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 539ade299d8SYoichi Yuasa 540ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 541ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 542ade299d8SYoichi Yuasa depends on EXPERIMENTAL 543ade299d8SYoichi Yuasa select BOOT_ELF32 544ade299d8SYoichi Yuasa select DMA_COHERENT 545ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 546ade299d8SYoichi Yuasa select SIBYTE_SB1250 547ade299d8SYoichi Yuasa select SWAP_IO_SPACE 548ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 549ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 550ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 551ade299d8SYoichi Yuasa 552ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 553ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 554ade299d8SYoichi Yuasa select BOOT_ELF32 555ade299d8SYoichi Yuasa select DMA_COHERENT 556ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 557ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 558ade299d8SYoichi Yuasa select SWAP_IO_SPACE 559ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 560ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 561651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 562ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 563cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 564ade299d8SYoichi Yuasa 56514b36af4SThomas Bogendoerferconfig SNI_RM 56614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5674a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5684a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 569231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5705e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5715e83d430SRalf Baechle select BOOT_ELF32 57242f77542SRalf Baechle select CEVT_R4K 573940f6b48SRalf Baechle select CSRC_R4K 574e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5755e83d430SRalf Baechle select DMA_NONCOHERENT 5765e83d430SRalf Baechle select GENERIC_ISA_DMA 5775e83d430SRalf Baechle select HW_HAS_EISA 5785e83d430SRalf Baechle select HW_HAS_PCI 579c066a32aSThomas Bogendoerfer select IRQ_CPU 580d865bea4SRalf Baechle select I8253 5815e83d430SRalf Baechle select I8259 5825e83d430SRalf Baechle select ISA 5834a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5847cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5854a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 586c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5874a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 58836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 589ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5905e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5914a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5925e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5935e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5941da177e4SLinus Torvalds help 59514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 59614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5975e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5985e83d430SRalf Baechle support this machine type. 5991da177e4SLinus Torvalds 6005e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6013fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 602229f773eSAtsushi Nemoto select CEVT_TXX9 6035e83d430SRalf Baechle select DMA_NONCOHERENT 6045e83d430SRalf Baechle select HW_HAS_PCI 6055e83d430SRalf Baechle select MIPS_TX3927 606c87abd75SAtsushi Nemoto select IRQ_TXX9 6075e83d430SRalf Baechle select SWAP_IO_SPACE 6087cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6095e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6106a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6115e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6122127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6135e83d430SRalf Baechle 6145e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 61508a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 61642f77542SRalf Baechle select CEVT_R4K 617940f6b48SRalf Baechle select CSRC_R4K 618229f773eSAtsushi Nemoto select CEVT_TXX9 6195e83d430SRalf Baechle select DMA_NONCOHERENT 6205e83d430SRalf Baechle select HAS_TXX9_SERIAL 6215e83d430SRalf Baechle select HW_HAS_PCI 622c87abd75SAtsushi Nemoto select IRQ_CPU 623c87abd75SAtsushi Nemoto select IRQ_TXX9 624c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6255e83d430SRalf Baechle select SWAP_IO_SPACE 6267cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6275e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6285e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6296a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 631cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6329fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6335e83d430SRalf Baechle help 6345e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6355e83d430SRalf Baechle support this machine type 6361da177e4SLinus Torvalds 63723fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6383fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 63942f77542SRalf Baechle select CEVT_R4K 640940f6b48SRalf Baechle select CSRC_R4K 641229f773eSAtsushi Nemoto select CEVT_TXX9 64223fbee9dSRalf Baechle select DMA_NONCOHERENT 64323fbee9dSRalf Baechle select HAS_TXX9_SERIAL 64423fbee9dSRalf Baechle select HW_HAS_PCI 645c87abd75SAtsushi Nemoto select IRQ_CPU 646c87abd75SAtsushi Nemoto select IRQ_TXX9 64723fbee9dSRalf Baechle select SWAP_IO_SPACE 6487cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 64923fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 65023fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 65123fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 652cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6539fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6543896b054SAtsushi Nemoto select GENERIC_GPIO 65523fbee9dSRalf Baechle help 65623fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 65723fbee9dSRalf Baechle support this machine type 65823fbee9dSRalf Baechle 659ade299d8SYoichi Yuasaconfig WR_PPMC 660ade299d8SYoichi Yuasa bool "Wind River PPMC board" 66142f77542SRalf Baechle select CEVT_R4K 662940f6b48SRalf Baechle select CSRC_R4K 663ade299d8SYoichi Yuasa select IRQ_CPU 664ade299d8SYoichi Yuasa select BOOT_ELF32 665ade299d8SYoichi Yuasa select DMA_NONCOHERENT 666ade299d8SYoichi Yuasa select HW_HAS_PCI 667ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 668ade299d8SYoichi Yuasa select SWAP_IO_SPACE 669ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 670ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 671ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 672ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 673ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 674ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 675ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 676ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 677ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 678ade299d8SYoichi Yuasa help 679ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 680ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 681ade299d8SYoichi Yuasa 6821da177e4SLinus Torvaldsendchoice 6831da177e4SLinus Torvalds 684c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6859c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6865e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6871f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6885e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 68929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 69038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6915e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 69223fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6935e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 69438b18f72SRalf Baechle 6955e83d430SRalf Baechleendmenu 6965e83d430SRalf Baechle 69795c354feSNick Pigginconfig GENERIC_LOCKBREAK 69895c354feSNick Piggin bool 69995c354feSNick Piggin default y 70095c354feSNick Piggin depends on SMP && PREEMPT 70195c354feSNick Piggin 7021da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7031da177e4SLinus Torvalds bool 7041da177e4SLinus Torvalds default y 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7071da177e4SLinus Torvalds bool 7081da177e4SLinus Torvalds 709f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 710f0d1b0b3SDavid Howells bool 711f0d1b0b3SDavid Howells default n 712f0d1b0b3SDavid Howells 713f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 714f0d1b0b3SDavid Howells bool 715f0d1b0b3SDavid Howells default n 716f0d1b0b3SDavid Howells 71700a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 71800a58253SRalf Baechle bool 71900a58253SRalf Baechle default y if !MIPS_MT_SMTC 72000a58253SRalf Baechle 7213c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7223c9ee7efSAkinobu Mita bool 7233c9ee7efSAkinobu Mita default y 7243c9ee7efSAkinobu Mita 7253c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7263c9ee7efSAkinobu Mita bool 7273c9ee7efSAkinobu Mita default y 7283c9ee7efSAkinobu Mita 7291da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7301da177e4SLinus Torvalds bool 7311da177e4SLinus Torvalds default y 7321da177e4SLinus Torvalds 7337bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7347bcf7717SRalf Baechle bool 7357bcf7717SRalf Baechle default y 7367bcf7717SRalf Baechle 7378db02010SRalf Baechleconfig GENERIC_TIME 7388db02010SRalf Baechle bool 7398db02010SRalf Baechle default y 7408db02010SRalf Baechle 741f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 742f5ff0a28SRalf Baechle bool 743f5ff0a28SRalf Baechle default y 744f5ff0a28SRalf Baechle 7451cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7461cc89038SAtsushi Nemoto bool 7471cc89038SAtsushi Nemoto default y 7481cc89038SAtsushi Nemoto 749e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 750e77c232cSFranck Bui-Huu bool 751e77c232cSFranck Bui-Huu default n 752e77c232cSFranck Bui-Huu 7531da177e4SLinus Torvalds# 7541da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7551da177e4SLinus Torvalds# 7561da177e4SLinus Torvaldsconfig ARC 7571da177e4SLinus Torvalds bool 7581da177e4SLinus Torvalds 75961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 76061ed242dSRalf Baechle bool 76161ed242dSRalf Baechle 7629267a30dSMarc St-Jeanconfig BOOT_RAW 7639267a30dSMarc St-Jean bool 7649267a30dSMarc St-Jean 765217dd11eSRalf Baechleconfig CEVT_BCM1480 766217dd11eSRalf Baechle bool 767217dd11eSRalf Baechle 7681097c6acSYoichi Yuasaconfig CEVT_GT641XX 7691097c6acSYoichi Yuasa bool 7701097c6acSYoichi Yuasa 77142f77542SRalf Baechleconfig CEVT_R4K 77242f77542SRalf Baechle bool 77342f77542SRalf Baechle 774217dd11eSRalf Baechleconfig CEVT_SB1250 775217dd11eSRalf Baechle bool 776217dd11eSRalf Baechle 777229f773eSAtsushi Nemotoconfig CEVT_TXX9 778229f773eSAtsushi Nemoto bool 779229f773eSAtsushi Nemoto 780217dd11eSRalf Baechleconfig CSRC_BCM1480 781217dd11eSRalf Baechle bool 782217dd11eSRalf Baechle 783940f6b48SRalf Baechleconfig CSRC_R4K 784940f6b48SRalf Baechle bool 785940f6b48SRalf Baechle 786217dd11eSRalf Baechleconfig CSRC_SB1250 787217dd11eSRalf Baechle bool 788217dd11eSRalf Baechle 789df78b5c8SAurelien Jarnoconfig CFE 790df78b5c8SAurelien Jarno bool 791df78b5c8SAurelien Jarno 7921da177e4SLinus Torvaldsconfig DMA_COHERENT 7931da177e4SLinus Torvalds bool 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvaldsconfig DMA_IP27 7961da177e4SLinus Torvalds bool 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7991da177e4SLinus Torvalds bool 8004ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8014ce588cdSRalf Baechle 8024ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8034ce588cdSRalf Baechle bool 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvaldsconfig EARLY_PRINTK 80636a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 80736a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 80836a88530SRalf Baechle default y 80936a88530SRalf Baechle help 81036a88530SRalf Baechle This option enables special console drivers which allow the kernel 81136a88530SRalf Baechle to print messages very early in the bootup process. 81236a88530SRalf Baechle 81336a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 814490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 815490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 816490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 81736a88530SRalf Baechle unless you want to debug such a crash. 81836a88530SRalf Baechle 81936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8201da177e4SLinus Torvalds bool 8211da177e4SLinus Torvalds 822dbb74540SRalf Baechleconfig HOTPLUG_CPU 823dbb74540SRalf Baechle bool 824dbb74540SRalf Baechle default n 825dbb74540SRalf Baechle 8261da177e4SLinus Torvaldsconfig I8259 8271da177e4SLinus Torvalds bool 8281da177e4SLinus Torvalds 8291da177e4SLinus Torvaldsconfig MIPS_BONITO64 8301da177e4SLinus Torvalds bool 8311da177e4SLinus Torvalds 8321da177e4SLinus Torvaldsconfig MIPS_MSC 8331da177e4SLinus Torvalds bool 8341da177e4SLinus Torvalds 8351f21d2bdSBrian Murphyconfig MIPS_NILE4 8361f21d2bdSBrian Murphy bool 8371f21d2bdSBrian Murphy 8381da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8391da177e4SLinus Torvalds bool 8401da177e4SLinus Torvalds 841d388d685SMaciej W. Rozyckiconfig NO_IOPORT 842d388d685SMaciej W. Rozycki def_bool n 843d388d685SMaciej W. Rozycki 8448313da30SRalf Baechleconfig GENERIC_ISA_DMA 8458313da30SRalf Baechle bool 8468313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8478313da30SRalf Baechle 848aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 849aa414dffSRalf Baechle bool 8508313da30SRalf Baechle select GENERIC_ISA_DMA 851aa414dffSRalf Baechle 85209663335SYoichi Yuasaconfig GENERIC_GPIO 85309663335SYoichi Yuasa bool 85409663335SYoichi Yuasa 8555e83d430SRalf Baechle# 8563cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8575e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8585e83d430SRalf Baechle# choice statement should be more obvious to the user. 8595e83d430SRalf Baechle# 8605e83d430SRalf Baechlechoice 8615e83d430SRalf Baechle prompt "Endianess selection" 8621da177e4SLinus Torvalds help 8631da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8645e83d430SRalf Baechle byte order. These modes require different kernels and a different 8653cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8665e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8673dde6ad8SDavid Sterba one or the other endianness. 8685e83d430SRalf Baechle 8695e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8705e83d430SRalf Baechle bool "Big endian" 8715e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8725e83d430SRalf Baechle 8735e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8745e83d430SRalf Baechle bool "Little endian" 8755e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8765e83d430SRalf Baechle help 8775e83d430SRalf Baechle 8785e83d430SRalf Baechleendchoice 8795e83d430SRalf Baechle 8802116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8812116245eSRalf Baechle bool 8822116245eSRalf Baechle 8835e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8845e83d430SRalf Baechle bool 8855e83d430SRalf Baechle 8865e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8875e83d430SRalf Baechle bool 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvaldsconfig IRQ_CPU 8901da177e4SLinus Torvalds bool 8911da177e4SLinus Torvalds 8921da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8931da177e4SLinus Torvalds bool 8941da177e4SLinus Torvalds 8955e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8965e83d430SRalf Baechle bool 8975e83d430SRalf Baechle 8989267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8999267a30dSMarc St-Jean bool 9009267a30dSMarc St-Jean 9019267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9029267a30dSMarc St-Jean bool 9039267a30dSMarc St-Jean 9048420fd00SAtsushi Nemotoconfig IRQ_TXX9 9058420fd00SAtsushi Nemoto bool 9068420fd00SAtsushi Nemoto 907d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 908d5ab1a69SYoichi Yuasa bool 909d5ab1a69SYoichi Yuasa 9101da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9111da177e4SLinus Torvalds bool 9121da177e4SLinus Torvalds 913252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9141da177e4SLinus Torvalds bool 9151da177e4SLinus Torvalds 9169267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9179267a30dSMarc St-Jean bool 9189267a30dSMarc St-Jean 9191da177e4SLinus Torvaldsconfig MIPS_TX3927 9201da177e4SLinus Torvalds bool 9211da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9221da177e4SLinus Torvalds 923663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 924663c3d90Sthomas@koeller.dyndns.org bool 925663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 926663c3d90Sthomas@koeller.dyndns.org 927bdf21b18SPete Popovconfig PNX8550 928bdf21b18SPete Popov bool 929bdf21b18SPete Popov select SOC_PNX8550 930bdf21b18SPete Popov 931bdf21b18SPete Popovconfig SOC_PNX8550 932bdf21b18SPete Popov bool 933bdf21b18SPete Popov select DMA_NONCOHERENT 934bdf21b18SPete Popov select HW_HAS_PCI 935b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9377cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 938e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 939cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9404ead1681SFlorian Fainelli select GENERIC_GPIO 941bdf21b18SPete Popov 9421da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9431da177e4SLinus Torvalds bool 9441da177e4SLinus Torvalds 945355c471fSdmitry pervushinconfig EMMA2RH 946355c471fSdmitry pervushin bool 947355c471fSdmitry pervushin depends on MARKEINS 948355c471fSdmitry pervushin default y 949355c471fSdmitry pervushin 950663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 951663c3d90Sthomas@koeller.dyndns.org bool 952663c3d90Sthomas@koeller.dyndns.org 953e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 954e2defae5SThomas Bogendoerfer bool 955e2defae5SThomas Bogendoerfer 956e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 957e2defae5SThomas Bogendoerfer bool 958e2defae5SThomas Bogendoerfer 959e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 960e2defae5SThomas Bogendoerfer bool 961e2defae5SThomas Bogendoerfer 962e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 963e2defae5SThomas Bogendoerfer bool 964e2defae5SThomas Bogendoerfer 965e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 966e2defae5SThomas Bogendoerfer bool 967e2defae5SThomas Bogendoerfer 968e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 969e2defae5SThomas Bogendoerfer bool 970e2defae5SThomas Bogendoerfer 971e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 972e2defae5SThomas Bogendoerfer bool 973e2defae5SThomas Bogendoerfer 9745e83d430SRalf Baechleconfig ARC32 9755e83d430SRalf Baechle bool 9765e83d430SRalf Baechle 977231a35d3SThomas Bogendoerferconfig SNIPROM 978231a35d3SThomas Bogendoerfer bool 979231a35d3SThomas Bogendoerfer 9801da177e4SLinus Torvaldsconfig BOOT_ELF32 9811da177e4SLinus Torvalds bool 9821da177e4SLinus Torvalds 9831da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9841da177e4SLinus Torvalds int 98506cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 986e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 9879267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9881da177e4SLinus Torvalds default "5" 9891da177e4SLinus Torvalds 9901da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9911da177e4SLinus Torvalds bool 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvaldsconfig ARC_CONSOLE 9941da177e4SLinus Torvalds bool "ARC console support" 995e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvaldsconfig ARC_MEMORY 9981da177e4SLinus Torvalds bool 99914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10001da177e4SLinus Torvalds default y 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvaldsconfig ARC_PROMLIB 10031da177e4SLinus Torvalds bool 1004e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10051da177e4SLinus Torvalds default y 10061da177e4SLinus Torvalds 10071da177e4SLinus Torvaldsconfig ARC64 10081da177e4SLinus Torvalds bool 10091da177e4SLinus Torvalds 10101da177e4SLinus Torvaldsconfig BOOT_ELF64 10111da177e4SLinus Torvalds bool 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvaldsmenu "CPU selection" 10141da177e4SLinus Torvalds 10151da177e4SLinus Torvaldschoice 10161da177e4SLinus Torvalds prompt "CPU type" 10171da177e4SLinus Torvalds default CPU_R4X00 10181da177e4SLinus Torvalds 10192a21c730SFuxin Zhangconfig CPU_LOONGSON2 10202a21c730SFuxin Zhang bool "Loongson 2" 10212a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10222a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10232a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10242a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10252a21c730SFuxin Zhang help 10262a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10272a21c730SFuxin Zhang with many extensions. 10282a21c730SFuxin Zhang 10296e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10306e760c8dSRalf Baechle bool "MIPS32 Release 1" 10317cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1032f7062ddbSRalf Baechle select CPU_HAS_LLSC 10336e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1034797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1035ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10366e760c8dSRalf Baechle help 10375e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10381e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10391e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10401e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10411e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10421e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10431e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10441e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10451e5f1caaSRalf Baechle performance. 10461e5f1caaSRalf Baechle 10471e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10481e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10497cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1050f7062ddbSRalf Baechle select CPU_HAS_LLSC 10511e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1052797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1053ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10541e5f1caaSRalf Baechle help 10555e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10566e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10576e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10586e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10596e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10601da177e4SLinus Torvalds 10616e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10626e760c8dSRalf Baechle bool "MIPS64 Release 1" 10637cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1064f7062ddbSRalf Baechle select CPU_HAS_LLSC 1065797798c1SRalf Baechle select CPU_HAS_PREFETCH 1066ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1068ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10696e760c8dSRalf Baechle help 10706e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10716e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10726e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10736e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10746e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10751e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10761e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10771e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10781e5f1caaSRalf Baechle performance. 10791e5f1caaSRalf Baechle 10801e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10811e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1083f7062ddbSRalf Baechle select CPU_HAS_LLSC 1084797798c1SRalf Baechle select CPU_HAS_PREFETCH 10851e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10861e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1087ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10881e5f1caaSRalf Baechle help 10891e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10901e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10911e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10921e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10931e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig CPU_R3000 10961da177e4SLinus Torvalds bool "R3000" 10977cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1098f7062ddbSRalf Baechle select CPU_HAS_WB 1099ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1100797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11011da177e4SLinus Torvalds help 11021da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11031da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11041da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11051da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11061da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11071da177e4SLinus Torvalds try to recompile with R3000. 11081da177e4SLinus Torvalds 11091da177e4SLinus Torvaldsconfig CPU_TX39XX 11101da177e4SLinus Torvalds bool "R39XX" 11117cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1112ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvaldsconfig CPU_VR41XX 11151da177e4SLinus Torvalds bool "R41xx" 11167cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1117ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1118ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11191da177e4SLinus Torvalds help 11205e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11211da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11221da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11231da177e4SLinus Torvalds processor or vice versa. 11241da177e4SLinus Torvalds 11251da177e4SLinus Torvaldsconfig CPU_R4300 11261da177e4SLinus Torvalds bool "R4300" 11277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1128f7062ddbSRalf Baechle select CPU_HAS_LLSC 1129ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1130ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11311da177e4SLinus Torvalds help 11321da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvaldsconfig CPU_R4X00 11351da177e4SLinus Torvalds bool "R4x00" 11367cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1137f7062ddbSRalf Baechle select CPU_HAS_LLSC 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11401da177e4SLinus Torvalds help 11411da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11421da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11431da177e4SLinus Torvalds 11441da177e4SLinus Torvaldsconfig CPU_TX49XX 11451da177e4SLinus Torvalds bool "R49XX" 11467cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1147f7062ddbSRalf Baechle select CPU_HAS_LLSC 1148de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1149ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1150ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvaldsconfig CPU_R5000 11531da177e4SLinus Torvalds bool "R5000" 11547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1155f7062ddbSRalf Baechle select CPU_HAS_LLSC 1156ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1157ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11581da177e4SLinus Torvalds help 11591da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvaldsconfig CPU_R5432 11621da177e4SLinus Torvalds bool "R5432" 11637cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1164f7062ddbSRalf Baechle select CPU_HAS_LLSC 11655e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11665e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11671da177e4SLinus Torvalds 11681da177e4SLinus Torvaldsconfig CPU_R6000 11691da177e4SLinus Torvalds bool "R6000" 1170ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1171f7062ddbSRalf Baechle select CPU_HAS_LLSC 11727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1173ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11741da177e4SLinus Torvalds help 11751da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1176c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvaldsconfig CPU_NEVADA 11791da177e4SLinus Torvalds bool "RM52xx" 11807cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1181f7062ddbSRalf Baechle select CPU_HAS_LLSC 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1183ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11841da177e4SLinus Torvalds help 11851da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvaldsconfig CPU_R8000 11881da177e4SLinus Torvalds bool "R8000" 1189ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1191f7062ddbSRalf Baechle select CPU_HAS_LLSC 11925e83d430SRalf Baechle select CPU_HAS_PREFETCH 1193ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11941da177e4SLinus Torvalds help 11951da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11961da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig CPU_R10000 11991da177e4SLinus Torvalds bool "R10000" 12007cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1201f7062ddbSRalf Baechle select CPU_HAS_LLSC 12025e83d430SRalf Baechle select CPU_HAS_PREFETCH 1203ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1204ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1205797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12061da177e4SLinus Torvalds help 12071da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12081da177e4SLinus Torvalds 12091da177e4SLinus Torvaldsconfig CPU_RM7000 12101da177e4SLinus Torvalds bool "RM7000" 12117cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1212f7062ddbSRalf Baechle select CPU_HAS_LLSC 12135e83d430SRalf Baechle select CPU_HAS_PREFETCH 1214ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1216797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig CPU_RM9000 12191da177e4SLinus Torvalds bool "RM9000" 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1221f7062ddbSRalf Baechle select CPU_HAS_LLSC 12225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1225797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12260004a9dfSRalf Baechle select WEAK_ORDERING 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvaldsconfig CPU_SB1 12291da177e4SLinus Torvalds bool "SB1" 12307cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1231f7062ddbSRalf Baechle select CPU_HAS_LLSC 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1234797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12350004a9dfSRalf Baechle select WEAK_ORDERING 12361da177e4SLinus Torvalds 12371da177e4SLinus Torvaldsendchoice 12381da177e4SLinus Torvalds 12392a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12402a21c730SFuxin Zhang bool 12412a21c730SFuxin Zhang 12427cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12437cf8053bSRalf Baechle bool 12447cf8053bSRalf Baechle 12457cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12467cf8053bSRalf Baechle bool 12477cf8053bSRalf Baechle 12487cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12497cf8053bSRalf Baechle bool 12507cf8053bSRalf Baechle 12517cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12527cf8053bSRalf Baechle bool 12537cf8053bSRalf Baechle 12547cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12557cf8053bSRalf Baechle bool 12567cf8053bSRalf Baechle 12577cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12587cf8053bSRalf Baechle bool 12597cf8053bSRalf Baechle 12607cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12617cf8053bSRalf Baechle bool 12627cf8053bSRalf Baechle 12637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12647cf8053bSRalf Baechle bool 12657cf8053bSRalf Baechle 12667cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12677cf8053bSRalf Baechle bool 12687cf8053bSRalf Baechle 12697cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12707cf8053bSRalf Baechle bool 12717cf8053bSRalf Baechle 12727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12737cf8053bSRalf Baechle bool 12747cf8053bSRalf Baechle 12757cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12767cf8053bSRalf Baechle bool 12777cf8053bSRalf Baechle 12787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12797cf8053bSRalf Baechle bool 12807cf8053bSRalf Baechle 12817cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12827cf8053bSRalf Baechle bool 12837cf8053bSRalf Baechle 12847cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12857cf8053bSRalf Baechle bool 12867cf8053bSRalf Baechle 12877cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12887cf8053bSRalf Baechle bool 12897cf8053bSRalf Baechle 12907cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12917cf8053bSRalf Baechle bool 12927cf8053bSRalf Baechle 12937cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12947cf8053bSRalf Baechle bool 12957cf8053bSRalf Baechle 12967cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12977cf8053bSRalf Baechle bool 12987cf8053bSRalf Baechle 129917099b11SRalf Baechle# 130017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 130117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 130217099b11SRalf Baechle# 13030004a9dfSRalf Baechleconfig WEAK_ORDERING 13040004a9dfSRalf Baechle bool 130517099b11SRalf Baechle 130617099b11SRalf Baechle# 130717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 130817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 130917099b11SRalf Baechle# 131017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 131117099b11SRalf Baechle bool 13125e83d430SRalf Baechleendmenu 13135e83d430SRalf Baechle 13145e83d430SRalf Baechle# 13155e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13165e83d430SRalf Baechle# 13175e83d430SRalf Baechleconfig CPU_MIPS32 13185e83d430SRalf Baechle bool 13195e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13205e83d430SRalf Baechle 13215e83d430SRalf Baechleconfig CPU_MIPS64 13225e83d430SRalf Baechle bool 13235e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13245e83d430SRalf Baechle 13255e83d430SRalf Baechle# 1326c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13275e83d430SRalf Baechle# 13285e83d430SRalf Baechleconfig CPU_MIPSR1 13295e83d430SRalf Baechle bool 13305e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13315e83d430SRalf Baechle 13325e83d430SRalf Baechleconfig CPU_MIPSR2 13335e83d430SRalf Baechle bool 13345e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13355e83d430SRalf Baechle 13365e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13375e83d430SRalf Baechle bool 13385e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13395e83d430SRalf Baechle bool 13405e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13415e83d430SRalf Baechle bool 13425e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13435e83d430SRalf Baechle bool 13445e83d430SRalf Baechle 13455e83d430SRalf Baechlemenu "Kernel type" 13465e83d430SRalf Baechle 13475e83d430SRalf Baechlechoice 13485e83d430SRalf Baechle 13495e83d430SRalf Baechle prompt "Kernel code model" 13505e83d430SRalf Baechle help 13515e83d430SRalf Baechle You should only select this option if you have a workload that 13525e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13535e83d430SRalf Baechle large memory. You will only be presented a single option in this 13545e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13555e83d430SRalf Baechle 13565e83d430SRalf Baechleconfig 32BIT 13575e83d430SRalf Baechle bool "32-bit kernel" 13585e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13595e83d430SRalf Baechle select TRAD_SIGNALS 13605e83d430SRalf Baechle help 13615e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13625e83d430SRalf Baechleconfig 64BIT 13635e83d430SRalf Baechle bool "64-bit kernel" 13645e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13655e83d430SRalf Baechle help 13665e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13675e83d430SRalf Baechle 13685e83d430SRalf Baechleendchoice 13695e83d430SRalf Baechle 13701da177e4SLinus Torvaldschoice 13711da177e4SLinus Torvalds prompt "Kernel page size" 13721da177e4SLinus Torvalds default PAGE_SIZE_4KB 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13751da177e4SLinus Torvalds bool "4kB" 13761da177e4SLinus Torvalds help 13771da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13781da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13791da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13801da177e4SLinus Torvalds recommended for low memory systems. 13811da177e4SLinus Torvalds 13821da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13831da177e4SLinus Torvalds bool "8kB" 13841da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13851da177e4SLinus Torvalds help 13861da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13871da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13881da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13891da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13901da177e4SLinus Torvalds compatibility of user applications. 13911da177e4SLinus Torvalds 13921da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13931da177e4SLinus Torvalds bool "16kB" 1394714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13951da177e4SLinus Torvalds help 13961da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13971da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1398714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1399714bfad6SRalf Baechle Linux distribution to support this. 14001da177e4SLinus Torvalds 14011da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14021da177e4SLinus Torvalds bool "64kB" 14031da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14041da177e4SLinus Torvalds help 14051da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14061da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14071da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1408714bfad6SRalf Baechle writing this option is still high experimental. 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsendchoice 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig BOARD_SCACHE 14131da177e4SLinus Torvalds bool 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14161da177e4SLinus Torvalds bool 14171da177e4SLinus Torvalds select BOARD_SCACHE 14181da177e4SLinus Torvalds 14199318c51aSChris Dearman# 14209318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14219318c51aSChris Dearman# 14229318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14239318c51aSChris Dearman bool 14249318c51aSChris Dearman select BOARD_SCACHE 14259318c51aSChris Dearman 14261da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14271da177e4SLinus Torvalds bool 14281da177e4SLinus Torvalds select BOARD_SCACHE 14291da177e4SLinus Torvalds 14301da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14311da177e4SLinus Torvalds bool 14321da177e4SLinus Torvalds select BOARD_SCACHE 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14351da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14361da177e4SLinus Torvalds depends on CPU_SB1 14371da177e4SLinus Torvalds help 14381da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14391da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14401da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14411da177e4SLinus Torvalds 14421da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1443c8094b53SRalf Baechle bool 14441da177e4SLinus Torvalds 1445340ee4b9SRalf Baechlechoice 1446340ee4b9SRalf Baechle prompt "MIPS MT options" 1447f41ae0b2SRalf Baechle 1448f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1449f41ae0b2SRalf Baechle bool "Disable multithreading support." 1450f41ae0b2SRalf Baechle help 1451f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1452f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1453f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1454f41ae0b2SRalf Baechle option in this menu. 1455340ee4b9SRalf Baechle 145659d6ab86SRalf Baechleconfig MIPS_MT_SMP 145759d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 145859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 145959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1460d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 146159d6ab86SRalf Baechle select MIPS_MT 1462f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 146359d6ab86SRalf Baechle select SMP 14640ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 146559d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 146687353d8aSRalf Baechle select SMP_UP 146759d6ab86SRalf Baechle help 146859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 146959d6ab86SRalf Baechle has been marketesed into SMVP. 147059d6ab86SRalf Baechle 147141c594abSRalf Baechleconfig MIPS_MT_SMTC 147241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1473f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1474f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1475f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1476ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1477f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1478d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1479f41ae0b2SRalf Baechle select MIPS_MT 1480130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 148141c594abSRalf Baechle select SMP 148273b76c78SRalf Baechle select SYS_SUPPORTS_SMP 148387353d8aSRalf Baechle select SMP_UP 1484f41ae0b2SRalf Baechle help 1485f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1486f41ae0b2SRalf Baechle marketesed into SMVP. 148741c594abSRalf Baechle 1488340ee4b9SRalf Baechleendchoice 1489340ee4b9SRalf Baechle 1490f41ae0b2SRalf Baechleconfig MIPS_MT 1491f41ae0b2SRalf Baechle bool 1492f41ae0b2SRalf Baechle 14930ab7aefcSRalf Baechleconfig SCHED_SMT 14940ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14950ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14960ab7aefcSRalf Baechle default n 14970ab7aefcSRalf Baechle help 14980ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 14990ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15000ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15010ab7aefcSRalf Baechle 15020ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15030ab7aefcSRalf Baechle bool 15040ab7aefcSRalf Baechle 15050ab7aefcSRalf Baechle 1506f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1507f41ae0b2SRalf Baechle bool 1508f41ae0b2SRalf Baechle 1509f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1510f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1511f088fc84SRalf Baechle default y 151207cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 151307cc0c9eSRalf Baechle 151407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 151507cc0c9eSRalf Baechle bool "VPE loader support." 151607cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 151707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 151807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 151907cc0c9eSRalf Baechle select MIPS_MT 152007cc0c9eSRalf Baechle help 152107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 152207cc0c9eSRalf Baechle onto another VPE and running it. 1523f088fc84SRalf Baechle 1524ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1525ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1526619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1527ac8be955SRalf Baechle default y 1528ac8be955SRalf Baechle help 1529ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1530ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1531ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1532ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1533ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1534ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1535ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1536ac8be955SRalf Baechle heavy I/O interrupt load. 1537ac8be955SRalf Baechle 15380db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15390db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15400db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15410db34215SKevin D. Kissell default y 15420db34215SKevin D. Kissell help 15430db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15440db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15450db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15460db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15470db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15480db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15490db34215SKevin D. Kissell what you are doing. 15500db34215SKevin D. Kissell 1551f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1552f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1553f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1554f571eff0SKevin D. Kissell default n 1555f571eff0SKevin D. Kissell help 1556f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1557f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1558f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1559f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1560f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1561f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1562f571eff0SKevin D. Kissell you are doing. 1563f571eff0SKevin D. Kissell 1564e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1565e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1566e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1567e01402b1SRalf Baechle default y 1568e01402b1SRalf Baechle help 1569e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1570e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1571e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1572e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1573e01402b1SRalf Baechle 1574e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1575e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1576e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1577e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15785e83d430SRalf Baechle help 1579e01402b1SRalf Baechle 15802600990eSRalf Baechleconfig MIPS_APSP_KSPD 15812600990eSRalf Baechle bool "Enable KSPD" 15822600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15832600990eSRalf Baechle default y 15842600990eSRalf Baechle help 15852600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15862600990eSRalf Baechle side, actions them and returns the results. It also handles the 15872600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15882600990eSRalf Baechle exiting. You probably want to say yes here. 15892600990eSRalf Baechle 15901da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15911da177e4SLinus Torvalds bool 15921da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15931da177e4SLinus Torvalds default y 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15961da177e4SLinus Torvalds bool 15971da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15981da177e4SLinus Torvalds default y 15991da177e4SLinus Torvalds 16001da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16011da177e4SLinus Torvalds bool 16021da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16031da177e4SLinus Torvalds default y 16041da177e4SLinus Torvalds 16051da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1606d806cb2bSRalf Baechle bool 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1609f7062ddbSRalf Baechle bool 16101da177e4SLinus Torvalds 16119693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16129693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16139693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16149693a853SFranck Bui-Huu help 16159693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16169693a853SFranck Bui-Huu increased security at both hardware and software level for 16179693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16189693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16199693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16209693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16219693a853SFranck Bui-Huu here. 16229693a853SFranck Bui-Huu 16231da177e4SLinus Torvaldsconfig CPU_HAS_WB 1624f7062ddbSRalf Baechle bool 1625e01402b1SRalf Baechle 1626f41ae0b2SRalf Baechle# 1627f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1628f41ae0b2SRalf Baechle# 1629e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1630f41ae0b2SRalf Baechle bool 1631e01402b1SRalf Baechle 1632f41ae0b2SRalf Baechle# 1633f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1634f41ae0b2SRalf Baechle# 1635e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1636f41ae0b2SRalf Baechle bool 1637e01402b1SRalf Baechle 16381da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16391da177e4SLinus Torvalds bool 16401da177e4SLinus Torvalds depends on !CPU_R3000 16411da177e4SLinus Torvalds default y 16421da177e4SLinus Torvalds 1643ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1644ea580401SRalf Baechle bool 1645ea580401SRalf Baechle 16461da177e4SLinus Torvalds# 164720d60d99SMaciej W. Rozycki# CPU non-features 164820d60d99SMaciej W. Rozycki# 164920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 165020d60d99SMaciej W. Rozycki bool 165120d60d99SMaciej W. Rozycki 165220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 165320d60d99SMaciej W. Rozycki bool 165420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 165520d60d99SMaciej W. Rozycki 165620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 165720d60d99SMaciej W. Rozycki bool 165820d60d99SMaciej W. Rozycki 165920d60d99SMaciej W. Rozycki# 1660797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1661797798c1SRalf Baechle# 1662797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1663797798c1SRalf Baechle bool 1664797798c1SRalf Baechle default y 1665797798c1SRalf Baechle 1666797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1667797798c1SRalf Baechle bool 1668797798c1SRalf Baechle default y 1669797798c1SRalf Baechle 16700d7012a9SIngo Molnarconfig IRQ_PER_CPU 16710d7012a9SIngo Molnar bool 16720d7012a9SIngo Molnar 1673797798c1SRalf Baechle# 16741da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16751da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16761da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16771da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16781da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16791da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16801da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16811da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1682797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1683797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1684797798c1SRalf Baechle# support. 16851da177e4SLinus Torvalds# 16861da177e4SLinus Torvaldsconfig HIGHMEM 16871da177e4SLinus Torvalds bool "High Memory Support" 1688797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1689797798c1SRalf Baechle 1690797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1691797798c1SRalf Baechle bool 1692797798c1SRalf Baechle 1693797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1694797798c1SRalf Baechle bool 16951da177e4SLinus Torvalds 16969693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16979693a853SFranck Bui-Huu bool 16989693a853SFranck Bui-Huu 1699b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1700b4819b59SYoichi Yuasa def_bool y 1701b4819b59SYoichi Yuasa depends on !NUMA 1702b4819b59SYoichi Yuasa 1703d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1704d8cb4e11SRalf Baechle bool 1705d8cb4e11SRalf Baechle default y if SGI_IP27 1706d8cb4e11SRalf Baechle help 17073dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1708d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1709d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1710d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1711d8cb4e11SRalf Baechle 1712cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1713cce335aeSRalf Baechle def_bool y 1714cce335aeSRalf Baechle 1715b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1716b1c6cd42SAtsushi Nemoto bool 17177de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 171831473747SAtsushi Nemoto 1719d8cb4e11SRalf Baechleconfig NUMA 1720d8cb4e11SRalf Baechle bool "NUMA Support" 1721d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1722d8cb4e11SRalf Baechle help 1723d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1724d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1725d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1726d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1727d8cb4e11SRalf Baechle disabled. 1728d8cb4e11SRalf Baechle 1729d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1730d8cb4e11SRalf Baechle bool 1731d8cb4e11SRalf Baechle 1732c80d79d7SYasunori Gotoconfig NODES_SHIFT 1733c80d79d7SYasunori Goto int 1734c80d79d7SYasunori Goto default "6" 1735c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1736c80d79d7SYasunori Goto 1737b4819b59SYoichi Yuasasource "mm/Kconfig" 1738b4819b59SYoichi Yuasa 17391da177e4SLinus Torvaldsconfig SMP 17401da177e4SLinus Torvalds bool "Multi-Processing support" 1741e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1742b4b30a5aSRalf Baechle select IRQ_PER_CPU 1743e73ea273SRalf Baechle help 17441da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17451da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17461da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17471da177e4SLinus Torvalds 17481da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17491da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17501da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17511da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17521da177e4SLinus Torvalds will run faster if you say N here. 17531da177e4SLinus Torvalds 17541da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17551da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17561da177e4SLinus Torvalds 1757*03502faaSAdrian Bunk See also the SMP-HOWTO available at 1758*03502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvalds If you don't know what to do here, say N. 17611da177e4SLinus Torvalds 176287353d8aSRalf Baechleconfig SMP_UP 176387353d8aSRalf Baechle bool 176487353d8aSRalf Baechle 1765e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1766e73ea273SRalf Baechle bool 1767e73ea273SRalf Baechle 176872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 176972ede9b1SAtsushi Nemoto bool 177072ede9b1SAtsushi Nemoto 1771130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1772130e2fb7SRalf Baechle bool 1773130e2fb7SRalf Baechle 1774130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1775130e2fb7SRalf Baechle bool 1776130e2fb7SRalf Baechle 1777130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1778130e2fb7SRalf Baechle bool 1779130e2fb7SRalf Baechle 1780130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1781130e2fb7SRalf Baechle bool 1782130e2fb7SRalf Baechle 1783130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1784130e2fb7SRalf Baechle bool 1785130e2fb7SRalf Baechle 1786130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1787130e2fb7SRalf Baechle bool 1788130e2fb7SRalf Baechle 17891da177e4SLinus Torvaldsconfig NR_CPUS 17901da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 179172ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17921da177e4SLinus Torvalds depends on SMP 179372ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1794130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1795130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1796130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1797130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1798130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1799130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18001da177e4SLinus Torvalds help 18011da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18021da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18031da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 180472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 180572ede9b1SAtsushi Nemoto and 2 for all others. 18061da177e4SLinus Torvalds 18071da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 180872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 180972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 181072ede9b1SAtsushi Nemoto power of two. 18111da177e4SLinus Torvalds 1812c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1813c4eee283SAtsushi Nemoto 18141723b4a3SAtsushi Nemoto# 18151723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18161723b4a3SAtsushi Nemoto# 18171723b4a3SAtsushi Nemoto 18181723b4a3SAtsushi Nemotochoice 18191723b4a3SAtsushi Nemoto prompt "Timer frequency" 18201723b4a3SAtsushi Nemoto default HZ_250 18211723b4a3SAtsushi Nemoto help 18221723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18231723b4a3SAtsushi Nemoto 18241723b4a3SAtsushi Nemoto config HZ_48 18251723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18261723b4a3SAtsushi Nemoto 18271723b4a3SAtsushi Nemoto config HZ_100 18281723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18291723b4a3SAtsushi Nemoto 18301723b4a3SAtsushi Nemoto config HZ_128 18311723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18321723b4a3SAtsushi Nemoto 18331723b4a3SAtsushi Nemoto config HZ_250 18341723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18351723b4a3SAtsushi Nemoto 18361723b4a3SAtsushi Nemoto config HZ_256 18371723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18381723b4a3SAtsushi Nemoto 18391723b4a3SAtsushi Nemoto config HZ_1000 18401723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18411723b4a3SAtsushi Nemoto 18421723b4a3SAtsushi Nemoto config HZ_1024 18431723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18441723b4a3SAtsushi Nemoto 18451723b4a3SAtsushi Nemotoendchoice 18461723b4a3SAtsushi Nemoto 18471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18481723b4a3SAtsushi Nemoto bool 18491723b4a3SAtsushi Nemoto 18501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18511723b4a3SAtsushi Nemoto bool 18521723b4a3SAtsushi Nemoto 18531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18541723b4a3SAtsushi Nemoto bool 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18571723b4a3SAtsushi Nemoto bool 18581723b4a3SAtsushi Nemoto 18591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18601723b4a3SAtsushi Nemoto bool 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18631723b4a3SAtsushi Nemoto bool 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18661723b4a3SAtsushi Nemoto bool 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18691723b4a3SAtsushi Nemoto bool 18701723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18711723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18721723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18731723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18741723b4a3SAtsushi Nemoto 18751723b4a3SAtsushi Nemotoconfig HZ 18761723b4a3SAtsushi Nemoto int 18771723b4a3SAtsushi Nemoto default 48 if HZ_48 18781723b4a3SAtsushi Nemoto default 100 if HZ_100 18791723b4a3SAtsushi Nemoto default 128 if HZ_128 18801723b4a3SAtsushi Nemoto default 250 if HZ_250 18811723b4a3SAtsushi Nemoto default 256 if HZ_256 18821723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18831723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18841723b4a3SAtsushi Nemoto 1885e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18861da177e4SLinus Torvalds 18871da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18881da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1889875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18901da177e4SLinus Torvalds help 18911da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18921da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18931da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18941da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18951da177e4SLinus Torvalds recommended for normal users. 18961da177e4SLinus Torvalds 1897ea6e942bSAtsushi Nemotoconfig KEXEC 1898ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1899ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1900ea6e942bSAtsushi Nemoto help 1901ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1902ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19033dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1904ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1905ea6e942bSAtsushi Nemoto 190601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1907ea6e942bSAtsushi Nemoto 1908ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1909ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1910ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1911ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1912ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1913ea6e942bSAtsushi Nemoto 1914ea6e942bSAtsushi Nemotoconfig SECCOMP 1915ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1916293c5bd1SRalf Baechle depends on PROC_FS 1917ea6e942bSAtsushi Nemoto default y 1918ea6e942bSAtsushi Nemoto help 1919ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1920ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1921ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1922ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1923ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1924ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1925ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1926ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1927ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1928ea6e942bSAtsushi Nemoto 1929ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1930ea6e942bSAtsushi Nemoto 19315e83d430SRalf Baechleendmenu 19325e83d430SRalf Baechle 19331da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19341da177e4SLinus Torvalds bool 19351da177e4SLinus Torvalds default y 19361da177e4SLinus Torvalds 19371df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19381df0f0ffSAtsushi Nemoto bool 19391df0f0ffSAtsushi Nemoto default y 19401df0f0ffSAtsushi Nemoto 19411df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19421df0f0ffSAtsushi Nemoto bool 19431df0f0ffSAtsushi Nemoto default y 19441df0f0ffSAtsushi Nemoto 1945b6c3539bSRalf Baechlesource "init/Kconfig" 1946b6c3539bSRalf Baechle 19471da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19481da177e4SLinus Torvalds 19495e83d430SRalf Baechleconfig HW_HAS_EISA 19505e83d430SRalf Baechle bool 19511da177e4SLinus Torvaldsconfig HW_HAS_PCI 19521da177e4SLinus Torvalds bool 19531da177e4SLinus Torvalds 19541da177e4SLinus Torvaldsconfig PCI 19551da177e4SLinus Torvalds bool "Support for PCI controller" 19561da177e4SLinus Torvalds depends on HW_HAS_PCI 1957abb4ae46SRalf Baechle select PCI_DOMAINS 19581da177e4SLinus Torvalds help 19591da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19601da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19611da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19621da177e4SLinus Torvalds say Y, otherwise N. 19631da177e4SLinus Torvalds 19641da177e4SLinus Torvaldsconfig PCI_DOMAINS 19651da177e4SLinus Torvalds bool 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvalds# 19701da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19711da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19721da177e4SLinus Torvalds# users to choose the right thing ... 19731da177e4SLinus Torvalds# 19741da177e4SLinus Torvaldsconfig ISA 19751da177e4SLinus Torvalds bool 19761da177e4SLinus Torvalds 19771da177e4SLinus Torvaldsconfig EISA 19781da177e4SLinus Torvalds bool "EISA support" 19795e83d430SRalf Baechle depends on HW_HAS_EISA 19801da177e4SLinus Torvalds select ISA 1981aa414dffSRalf Baechle select GENERIC_ISA_DMA 19821da177e4SLinus Torvalds ---help--- 19831da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19841da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19851da177e4SLinus Torvalds 19861da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19871da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19881da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19891da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19901da177e4SLinus Torvalds 19911da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19921da177e4SLinus Torvalds 19931da177e4SLinus Torvalds Otherwise, say N. 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19961da177e4SLinus Torvalds 19971da177e4SLinus Torvaldsconfig TC 19981da177e4SLinus Torvalds bool "TURBOchannel support" 19991da177e4SLinus Torvalds depends on MACH_DECSTATION 20001da177e4SLinus Torvalds help 20011da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20021da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20031da177e4SLinus Torvalds is available at: 20041da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20051da177e4SLinus Torvalds 20061da177e4SLinus Torvalds#config ACCESSBUS 20071da177e4SLinus Torvalds# bool "Access.Bus support" 20081da177e4SLinus Torvalds# depends on TC 20091da177e4SLinus Torvalds 20101da177e4SLinus Torvaldsconfig MMU 20111da177e4SLinus Torvalds bool 20121da177e4SLinus Torvalds default y 20131da177e4SLinus Torvalds 2014d865bea4SRalf Baechleconfig I8253 2015d865bea4SRalf Baechle bool 2016d865bea4SRalf Baechle 2017cce335aeSRalf Baechleconfig ZONE_DMA32 2018cce335aeSRalf Baechle bool 2019cce335aeSRalf Baechle 20201da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20211da177e4SLinus Torvalds 20221da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvaldsendmenu 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldsmenu "Executable file formats" 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20311da177e4SLinus Torvalds bool 20321da177e4SLinus Torvalds 20331da177e4SLinus Torvaldsconfig BINFMT_IRIX 20341da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20355e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20381da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2039875d43e7SRalf Baechle depends on 64BIT 20401da177e4SLinus Torvalds help 20411da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20421da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20431da177e4SLinus Torvalds currently 32-bit you should say Y here. 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvaldsconfig COMPAT 20461da177e4SLinus Torvalds bool 20471da177e4SLinus Torvalds depends on MIPS32_COMPAT 20481da177e4SLinus Torvalds default y 20491da177e4SLinus Torvalds 205005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 205105e43966SAtsushi Nemoto bool 205205e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 205305e43966SAtsushi Nemoto default y 205405e43966SAtsushi Nemoto 20551da177e4SLinus Torvaldsconfig MIPS32_O32 20561da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20571da177e4SLinus Torvalds depends on MIPS32_COMPAT 20581da177e4SLinus Torvalds help 20591da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20601da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20611da177e4SLinus Torvalds existing binaries are in this format. 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvalds If unsure, say Y. 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig MIPS32_N32 20661da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20671da177e4SLinus Torvalds depends on MIPS32_COMPAT 20681da177e4SLinus Torvalds help 20691da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20701da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20711da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20721da177e4SLinus Torvalds cases. 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvalds If unsure, say N. 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvaldsconfig BINFMT_ELF32 20771da177e4SLinus Torvalds bool 20781da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20791da177e4SLinus Torvalds 20802116245eSRalf Baechleendmenu 20811da177e4SLinus Torvalds 20822116245eSRalf Baechlemenu "Power management options" 2083952fa954SRodolfo Giometti 2084f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2085f4cb5700SJohannes Berg def_bool y 2086f4cb5700SJohannes Berg depends on !SMP 2087f4cb5700SJohannes Berg 20882116245eSRalf Baechlesource "kernel/power/Kconfig" 2089952fa954SRodolfo Giometti 20901da177e4SLinus Torvaldsendmenu 20911da177e4SLinus Torvalds 2092d5950b43SSam Ravnborgsource "net/Kconfig" 2093d5950b43SSam Ravnborg 20941da177e4SLinus Torvaldssource "drivers/Kconfig" 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldssource "fs/Kconfig" 20971da177e4SLinus Torvalds 209809cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 20995e83d430SRalf Baechle 21001da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvaldssource "security/Kconfig" 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvaldssource "crypto/Kconfig" 21051da177e4SLinus Torvalds 21061da177e4SLinus Torvaldssource "lib/Kconfig" 2107