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 75ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 779fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 781da177e4SLinus Torvalds 791da177e4SLinus Torvaldsconfig MACH_DECSTATION 803fa986faSMartin Michlmayr bool "DECstations" 811da177e4SLinus Torvalds select BOOT_ELF32 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 36207119621SRalf Baechleconfig QEMU 3633fa986faSMartin Michlmayr bool "Qemu" 36442f77542SRalf Baechle select CEVT_R4K 365940f6b48SRalf Baechle select CSRC_R4K 36607119621SRalf Baechle select DMA_COHERENT 36707119621SRalf Baechle select GENERIC_ISA_DMA 36807119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 369d865bea4SRalf Baechle select I8253 37007119621SRalf Baechle select I8259 3717bcf7717SRalf Baechle select IRQ_CPU 37207119621SRalf Baechle select ISA 37307119621SRalf Baechle select SWAP_IO_SPACE 3747cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 375a57c2289SRalf Baechle select SYS_HAS_EARLY_PRINTK 37607119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 37707119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 378c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 3799fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 38072ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 38172ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 38207119621SRalf Baechle help 38307119621SRalf Baechle Qemu is a software emulator which among other architectures also 38407119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 38507119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 38607119621SRalf Baechle will eventually be removed again when Qemu has the capability to 38707119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 38807119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 38907119621SRalf Baechle 3901da177e4SLinus Torvaldsconfig SGI_IP22 3913fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3921da177e4SLinus Torvalds select ARC 3931da177e4SLinus Torvalds select ARC32 3941da177e4SLinus Torvalds select BOOT_ELF32 39542f77542SRalf Baechle select CEVT_R4K 396940f6b48SRalf Baechle select CSRC_R4K 397e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3981da177e4SLinus Torvalds select DMA_NONCOHERENT 3995e83d430SRalf Baechle select HW_HAS_EISA 400d865bea4SRalf Baechle select I8253 40168de4803SThomas Bogendoerfer select I8259 4021da177e4SLinus Torvalds select IP22_CPU_SCACHE 4031da177e4SLinus Torvalds select IRQ_CPU 404aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 405e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 406e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 407e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 408e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 409e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 410e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 4111da177e4SLinus Torvalds select SWAP_IO_SPACE 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4137cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 41436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 415ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 416ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4181da177e4SLinus Torvalds help 4191da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4201da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4211da177e4SLinus Torvalds that runs on these, say Y here. 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvaldsconfig SGI_IP27 4243fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4251da177e4SLinus Torvalds select ARC 4261da177e4SLinus Torvalds select ARC64 4275e83d430SRalf Baechle select BOOT_ELF64 428e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4291da177e4SLinus Torvalds select DMA_IP27 43036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4311da177e4SLinus Torvalds select HW_HAS_PCI 432130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4337cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 434ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 436cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 437d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4381a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 439e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4401da177e4SLinus Torvalds help 4411da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4421da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4431da177e4SLinus Torvalds here. 4441da177e4SLinus Torvalds 445e2defae5SThomas Bogendoerferconfig SGI_IP28 446e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 447e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 448e2defae5SThomas Bogendoerfer select ARC 449e2defae5SThomas Bogendoerfer select ARC64 450e2defae5SThomas Bogendoerfer select BOOT_ELF64 451e2defae5SThomas Bogendoerfer select CEVT_R4K 452e2defae5SThomas Bogendoerfer select CSRC_R4K 453e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 454e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 455e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 456e2defae5SThomas Bogendoerfer select IRQ_CPU 457e2defae5SThomas Bogendoerfer select HW_HAS_EISA 458e2defae5SThomas Bogendoerfer select I8253 459e2defae5SThomas Bogendoerfer select I8259 460e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 461e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 462e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 463e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 464e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 465e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 466e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 467e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 468e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 469e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 470e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 471e2defae5SThomas Bogendoerfer help 472e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 473e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 474e2defae5SThomas Bogendoerfer 4751da177e4SLinus Torvaldsconfig SGI_IP32 476cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4771da177e4SLinus Torvalds select ARC 4781da177e4SLinus Torvalds select ARC32 4791da177e4SLinus Torvalds select BOOT_ELF32 48042f77542SRalf Baechle select CEVT_R4K 481940f6b48SRalf Baechle select CSRC_R4K 4821da177e4SLinus Torvalds select DMA_NONCOHERENT 4831da177e4SLinus Torvalds select HW_HAS_PCI 484dd67b155SRalf Baechle select IRQ_CPU 4851da177e4SLinus Torvalds select R5000_CPU_SCACHE 4861da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4877cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4887cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4897cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 490dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 491ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4931da177e4SLinus Torvalds help 4941da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4951da177e4SLinus Torvalds 496ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 497ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4985e83d430SRalf Baechle depends on EXPERIMENTAL 4995e83d430SRalf Baechle select BOOT_ELF32 5005e83d430SRalf Baechle select DMA_COHERENT 5015e83d430SRalf Baechle select SIBYTE_BCM1120 5025e83d430SRalf Baechle select SWAP_IO_SPACE 5037cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5045e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5055e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5065e83d430SRalf Baechle 507ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 508ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5095e83d430SRalf Baechle depends on EXPERIMENTAL 5105e83d430SRalf Baechle select BOOT_ELF32 5115e83d430SRalf Baechle select DMA_COHERENT 5125e83d430SRalf Baechle select SIBYTE_BCM1120 5135e83d430SRalf Baechle select SWAP_IO_SPACE 5147cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5175e83d430SRalf Baechle 5185e83d430SRalf Baechleconfig SIBYTE_CRHONE 5193fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5205e83d430SRalf Baechle depends on EXPERIMENTAL 5215e83d430SRalf Baechle select BOOT_ELF32 5225e83d430SRalf Baechle select DMA_COHERENT 5235e83d430SRalf Baechle select SIBYTE_BCM1125 5245e83d430SRalf Baechle select SWAP_IO_SPACE 5257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5275e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5295e83d430SRalf Baechle 530ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 531ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 532ade299d8SYoichi Yuasa depends on EXPERIMENTAL 533ade299d8SYoichi Yuasa select BOOT_ELF32 534ade299d8SYoichi Yuasa select DMA_COHERENT 535ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 536ade299d8SYoichi Yuasa select SWAP_IO_SPACE 537ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 538ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 539ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 540ade299d8SYoichi Yuasa 541ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 542ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 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_HIGHMEM 551ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 552ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 553cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 554ade299d8SYoichi Yuasa 555ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 556ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 557ade299d8SYoichi Yuasa depends on EXPERIMENTAL 558ade299d8SYoichi Yuasa select BOOT_ELF32 559ade299d8SYoichi Yuasa select DMA_COHERENT 560ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 561ade299d8SYoichi Yuasa select SIBYTE_SB1250 562ade299d8SYoichi Yuasa select SWAP_IO_SPACE 563ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 564ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 565ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 566ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 567ade299d8SYoichi Yuasa 568ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 569ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 570ade299d8SYoichi Yuasa depends on EXPERIMENTAL 571ade299d8SYoichi Yuasa select BOOT_ELF32 572ade299d8SYoichi Yuasa select DMA_COHERENT 573ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 574ade299d8SYoichi Yuasa select SIBYTE_SB1250 575ade299d8SYoichi Yuasa select SWAP_IO_SPACE 576ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 577ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 578ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 579ade299d8SYoichi Yuasa 580ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 581ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 582ade299d8SYoichi Yuasa select BOOT_ELF32 583ade299d8SYoichi Yuasa select DMA_COHERENT 584ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 585ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 586ade299d8SYoichi Yuasa select SWAP_IO_SPACE 587ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 589651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 591cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 592ade299d8SYoichi Yuasa 59314b36af4SThomas Bogendoerferconfig SNI_RM 59414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5954a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5964a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 597231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5985e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5995e83d430SRalf Baechle select BOOT_ELF32 60042f77542SRalf Baechle select CEVT_R4K 601940f6b48SRalf Baechle select CSRC_R4K 602e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6035e83d430SRalf Baechle select DMA_NONCOHERENT 6045e83d430SRalf Baechle select GENERIC_ISA_DMA 6055e83d430SRalf Baechle select HW_HAS_EISA 6065e83d430SRalf Baechle select HW_HAS_PCI 607c066a32aSThomas Bogendoerfer select IRQ_CPU 608d865bea4SRalf Baechle select I8253 6095e83d430SRalf Baechle select I8259 6105e83d430SRalf Baechle select ISA 6114a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6127cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6134a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 614c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6154a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 61636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 617ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6185e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6194a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6205e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6221da177e4SLinus Torvalds help 62314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 62414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6255e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6265e83d430SRalf Baechle support this machine type. 6271da177e4SLinus Torvalds 6285e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6293fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 630229f773eSAtsushi Nemoto select CEVT_TXX9 6315e83d430SRalf Baechle select DMA_NONCOHERENT 6325e83d430SRalf Baechle select HW_HAS_PCI 6335e83d430SRalf Baechle select MIPS_TX3927 634c87abd75SAtsushi Nemoto select IRQ_TXX9 6355e83d430SRalf Baechle select SWAP_IO_SPACE 6367cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6375e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6386a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6402127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6415e83d430SRalf Baechle 6425e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 64308a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 64442f77542SRalf Baechle select CEVT_R4K 645940f6b48SRalf Baechle select CSRC_R4K 646229f773eSAtsushi Nemoto select CEVT_TXX9 6475e83d430SRalf Baechle select DMA_NONCOHERENT 6485e83d430SRalf Baechle select HAS_TXX9_SERIAL 6495e83d430SRalf Baechle select HW_HAS_PCI 650c87abd75SAtsushi Nemoto select IRQ_CPU 651c87abd75SAtsushi Nemoto select IRQ_TXX9 652c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6535e83d430SRalf Baechle select SWAP_IO_SPACE 6547cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6555e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6565e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6576a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6585e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 659cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6609fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6615e83d430SRalf Baechle help 6625e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6635e83d430SRalf Baechle support this machine type 6641da177e4SLinus Torvalds 66523fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6663fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 66742f77542SRalf Baechle select CEVT_R4K 668940f6b48SRalf Baechle select CSRC_R4K 669229f773eSAtsushi Nemoto select CEVT_TXX9 67023fbee9dSRalf Baechle select DMA_NONCOHERENT 67123fbee9dSRalf Baechle select HAS_TXX9_SERIAL 67223fbee9dSRalf Baechle select HW_HAS_PCI 673c87abd75SAtsushi Nemoto select IRQ_CPU 674c87abd75SAtsushi Nemoto select IRQ_TXX9 67523fbee9dSRalf Baechle select SWAP_IO_SPACE 6767cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 67723fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 67823fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 67923fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 680cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6819fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6823896b054SAtsushi Nemoto select GENERIC_GPIO 68323fbee9dSRalf Baechle help 68423fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 68523fbee9dSRalf Baechle support this machine type 68623fbee9dSRalf Baechle 687ade299d8SYoichi Yuasaconfig WR_PPMC 688ade299d8SYoichi Yuasa bool "Wind River PPMC board" 68942f77542SRalf Baechle select CEVT_R4K 690940f6b48SRalf Baechle select CSRC_R4K 691ade299d8SYoichi Yuasa select IRQ_CPU 692ade299d8SYoichi Yuasa select BOOT_ELF32 693ade299d8SYoichi Yuasa select DMA_NONCOHERENT 694ade299d8SYoichi Yuasa select HW_HAS_PCI 695ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 696ade299d8SYoichi Yuasa select SWAP_IO_SPACE 697ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 698ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 699ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 700ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 701ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 702ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 703ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 704ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 705ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 706ade299d8SYoichi Yuasa help 707ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 708ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 709ade299d8SYoichi Yuasa 7101da177e4SLinus Torvaldsendchoice 7111da177e4SLinus Torvalds 712c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 713*9c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 7145e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7151f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7165e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 71729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 71838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 7195e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 72023fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 7215e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 72238b18f72SRalf Baechle 7235e83d430SRalf Baechleendmenu 7245e83d430SRalf Baechle 7251da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7261da177e4SLinus Torvalds bool 7271da177e4SLinus Torvalds default y 7281da177e4SLinus Torvalds 7291da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7301da177e4SLinus Torvalds bool 7311da177e4SLinus Torvalds 732f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 733f0d1b0b3SDavid Howells bool 734f0d1b0b3SDavid Howells default n 735f0d1b0b3SDavid Howells 736f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 737f0d1b0b3SDavid Howells bool 738f0d1b0b3SDavid Howells default n 739f0d1b0b3SDavid Howells 74000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 74100a58253SRalf Baechle bool 74200a58253SRalf Baechle default y if !MIPS_MT_SMTC 74300a58253SRalf Baechle 7443c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7453c9ee7efSAkinobu Mita bool 7463c9ee7efSAkinobu Mita default y 7473c9ee7efSAkinobu Mita 7483c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7493c9ee7efSAkinobu Mita bool 7503c9ee7efSAkinobu Mita default y 7513c9ee7efSAkinobu Mita 7521da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7531da177e4SLinus Torvalds bool 7541da177e4SLinus Torvalds default y 7551da177e4SLinus Torvalds 7567bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7577bcf7717SRalf Baechle bool 7587bcf7717SRalf Baechle default y 7597bcf7717SRalf Baechle 7608db02010SRalf Baechleconfig GENERIC_TIME 7618db02010SRalf Baechle bool 7628db02010SRalf Baechle default y 7638db02010SRalf Baechle 764f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 765f5ff0a28SRalf Baechle bool 766f5ff0a28SRalf Baechle default y 767f5ff0a28SRalf Baechle 7681cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7691cc89038SAtsushi Nemoto bool 7701cc89038SAtsushi Nemoto default y 7711cc89038SAtsushi Nemoto 772e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 773e77c232cSFranck Bui-Huu bool 774e77c232cSFranck Bui-Huu default n 775e77c232cSFranck Bui-Huu 7761da177e4SLinus Torvalds# 7771da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7781da177e4SLinus Torvalds# 7791da177e4SLinus Torvaldsconfig ARC 7801da177e4SLinus Torvalds bool 7811da177e4SLinus Torvalds 78261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 78361ed242dSRalf Baechle bool 78461ed242dSRalf Baechle 7859267a30dSMarc St-Jeanconfig BOOT_RAW 7869267a30dSMarc St-Jean bool 7879267a30dSMarc St-Jean 788217dd11eSRalf Baechleconfig CEVT_BCM1480 789217dd11eSRalf Baechle bool 790217dd11eSRalf Baechle 7911097c6acSYoichi Yuasaconfig CEVT_GT641XX 7921097c6acSYoichi Yuasa bool 7931097c6acSYoichi Yuasa 79442f77542SRalf Baechleconfig CEVT_R4K 79542f77542SRalf Baechle bool 79642f77542SRalf Baechle 797217dd11eSRalf Baechleconfig CEVT_SB1250 798217dd11eSRalf Baechle bool 799217dd11eSRalf Baechle 800229f773eSAtsushi Nemotoconfig CEVT_TXX9 801229f773eSAtsushi Nemoto bool 802229f773eSAtsushi Nemoto 803217dd11eSRalf Baechleconfig CSRC_BCM1480 804217dd11eSRalf Baechle bool 805217dd11eSRalf Baechle 806940f6b48SRalf Baechleconfig CSRC_R4K 807940f6b48SRalf Baechle bool 808940f6b48SRalf Baechle 809217dd11eSRalf Baechleconfig CSRC_SB1250 810217dd11eSRalf Baechle bool 811217dd11eSRalf Baechle 812df78b5c8SAurelien Jarnoconfig CFE 813df78b5c8SAurelien Jarno bool 814df78b5c8SAurelien Jarno 8151da177e4SLinus Torvaldsconfig DMA_COHERENT 8161da177e4SLinus Torvalds bool 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvaldsconfig DMA_IP27 8191da177e4SLinus Torvalds bool 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8221da177e4SLinus Torvalds bool 8234ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8244ce588cdSRalf Baechle 8254ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8264ce588cdSRalf Baechle bool 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvaldsconfig EARLY_PRINTK 82936a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 83036a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 83136a88530SRalf Baechle default y 83236a88530SRalf Baechle help 83336a88530SRalf Baechle This option enables special console drivers which allow the kernel 83436a88530SRalf Baechle to print messages very early in the bootup process. 83536a88530SRalf Baechle 83636a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 837490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 838490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 839490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 84036a88530SRalf Baechle unless you want to debug such a crash. 84136a88530SRalf Baechle 84236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8431da177e4SLinus Torvalds bool 8441da177e4SLinus Torvalds 845dbb74540SRalf Baechleconfig HOTPLUG_CPU 846dbb74540SRalf Baechle bool 847dbb74540SRalf Baechle default n 848dbb74540SRalf Baechle 8491da177e4SLinus Torvaldsconfig I8259 8501da177e4SLinus Torvalds bool 8511da177e4SLinus Torvalds 8521da177e4SLinus Torvaldsconfig MIPS_BONITO64 8531da177e4SLinus Torvalds bool 8541da177e4SLinus Torvalds 8551da177e4SLinus Torvaldsconfig MIPS_MSC 8561da177e4SLinus Torvalds bool 8571da177e4SLinus Torvalds 8581f21d2bdSBrian Murphyconfig MIPS_NILE4 8591f21d2bdSBrian Murphy bool 8601f21d2bdSBrian Murphy 8611da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds 864d388d685SMaciej W. Rozyckiconfig NO_IOPORT 865d388d685SMaciej W. Rozycki def_bool n 866d388d685SMaciej W. Rozycki 8678313da30SRalf Baechleconfig GENERIC_ISA_DMA 8688313da30SRalf Baechle bool 8698313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8708313da30SRalf Baechle 871aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 872aa414dffSRalf Baechle bool 8738313da30SRalf Baechle select GENERIC_ISA_DMA 874aa414dffSRalf Baechle 87509663335SYoichi Yuasaconfig GENERIC_GPIO 87609663335SYoichi Yuasa bool 87709663335SYoichi Yuasa 8785e83d430SRalf Baechle# 8793cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8805e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8815e83d430SRalf Baechle# choice statement should be more obvious to the user. 8825e83d430SRalf Baechle# 8835e83d430SRalf Baechlechoice 8845e83d430SRalf Baechle prompt "Endianess selection" 8851da177e4SLinus Torvalds help 8861da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8875e83d430SRalf Baechle byte order. These modes require different kernels and a different 8883cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8895e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8903dde6ad8SDavid Sterba one or the other endianness. 8915e83d430SRalf Baechle 8925e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8935e83d430SRalf Baechle bool "Big endian" 8945e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8955e83d430SRalf Baechle 8965e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8975e83d430SRalf Baechle bool "Little endian" 8985e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8995e83d430SRalf Baechle help 9005e83d430SRalf Baechle 9015e83d430SRalf Baechleendchoice 9025e83d430SRalf Baechle 9032116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9042116245eSRalf Baechle bool 9052116245eSRalf Baechle 9065e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9075e83d430SRalf Baechle bool 9085e83d430SRalf Baechle 9095e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9105e83d430SRalf Baechle bool 9111da177e4SLinus Torvalds 9121da177e4SLinus Torvaldsconfig IRQ_CPU 9131da177e4SLinus Torvalds bool 9141da177e4SLinus Torvalds 9151da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9161da177e4SLinus Torvalds bool 9171da177e4SLinus Torvalds 9185e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9195e83d430SRalf Baechle bool 9205e83d430SRalf Baechle 9219267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9229267a30dSMarc St-Jean bool 9239267a30dSMarc St-Jean 9249267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9259267a30dSMarc St-Jean bool 9269267a30dSMarc St-Jean 9278420fd00SAtsushi Nemotoconfig IRQ_TXX9 9288420fd00SAtsushi Nemoto bool 9298420fd00SAtsushi Nemoto 930d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 931d5ab1a69SYoichi Yuasa bool 932d5ab1a69SYoichi Yuasa 9331da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9341da177e4SLinus Torvalds bool 9351da177e4SLinus Torvalds 936252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9371da177e4SLinus Torvalds bool 9381da177e4SLinus Torvalds 9399267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9409267a30dSMarc St-Jean bool 9419267a30dSMarc St-Jean 9421da177e4SLinus Torvaldsconfig MIPS_TX3927 9431da177e4SLinus Torvalds bool 9441da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9451da177e4SLinus Torvalds 946663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 947663c3d90Sthomas@koeller.dyndns.org bool 948663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 949663c3d90Sthomas@koeller.dyndns.org 950bdf21b18SPete Popovconfig PNX8550 951bdf21b18SPete Popov bool 952bdf21b18SPete Popov select SOC_PNX8550 953bdf21b18SPete Popov 954bdf21b18SPete Popovconfig SOC_PNX8550 955bdf21b18SPete Popov bool 956bdf21b18SPete Popov select DMA_NONCOHERENT 957bdf21b18SPete Popov select HW_HAS_PCI 958b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9607cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 961e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 962cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9634ead1681SFlorian Fainelli select GENERIC_GPIO 964bdf21b18SPete Popov 9651da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9661da177e4SLinus Torvalds bool 9671da177e4SLinus Torvalds 968355c471fSdmitry pervushinconfig EMMA2RH 969355c471fSdmitry pervushin bool 970355c471fSdmitry pervushin depends on MARKEINS 971355c471fSdmitry pervushin default y 972355c471fSdmitry pervushin 973663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 974663c3d90Sthomas@koeller.dyndns.org bool 975663c3d90Sthomas@koeller.dyndns.org 976e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 977e2defae5SThomas Bogendoerfer bool 978e2defae5SThomas Bogendoerfer 979e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 980e2defae5SThomas Bogendoerfer bool 981e2defae5SThomas Bogendoerfer 982e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 983e2defae5SThomas Bogendoerfer bool 984e2defae5SThomas Bogendoerfer 985e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 986e2defae5SThomas Bogendoerfer bool 987e2defae5SThomas Bogendoerfer 988e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 989e2defae5SThomas Bogendoerfer bool 990e2defae5SThomas Bogendoerfer 991e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 992e2defae5SThomas Bogendoerfer bool 993e2defae5SThomas Bogendoerfer 994e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 995e2defae5SThomas Bogendoerfer bool 996e2defae5SThomas Bogendoerfer 9975e83d430SRalf Baechleconfig ARC32 9985e83d430SRalf Baechle bool 9995e83d430SRalf Baechle 1000231a35d3SThomas Bogendoerferconfig SNIPROM 1001231a35d3SThomas Bogendoerfer bool 1002231a35d3SThomas Bogendoerfer 10031da177e4SLinus Torvaldsconfig BOOT_ELF32 10041da177e4SLinus Torvalds bool 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10071da177e4SLinus Torvalds int 100806cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 1009e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 10109267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 10111da177e4SLinus Torvalds default "5" 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10141da177e4SLinus Torvalds bool 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldsconfig ARC_CONSOLE 10171da177e4SLinus Torvalds bool "ARC console support" 1018e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvaldsconfig ARC_MEMORY 10211da177e4SLinus Torvalds bool 102214b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10231da177e4SLinus Torvalds default y 10241da177e4SLinus Torvalds 10251da177e4SLinus Torvaldsconfig ARC_PROMLIB 10261da177e4SLinus Torvalds bool 1027e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10281da177e4SLinus Torvalds default y 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvaldsconfig ARC64 10311da177e4SLinus Torvalds bool 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvaldsconfig BOOT_ELF64 10341da177e4SLinus Torvalds bool 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvaldsmenu "CPU selection" 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvaldschoice 10391da177e4SLinus Torvalds prompt "CPU type" 10401da177e4SLinus Torvalds default CPU_R4X00 10411da177e4SLinus Torvalds 10422a21c730SFuxin Zhangconfig CPU_LOONGSON2 10432a21c730SFuxin Zhang bool "Loongson 2" 10442a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10452a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10462a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10472a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10482a21c730SFuxin Zhang help 10492a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10502a21c730SFuxin Zhang with many extensions. 10512a21c730SFuxin Zhang 10526e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10536e760c8dSRalf Baechle bool "MIPS32 Release 1" 10547cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1055f7062ddbSRalf Baechle select CPU_HAS_LLSC 10566e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1057797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1058ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10596e760c8dSRalf Baechle help 10605e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10611e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10621e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10631e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10641e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10651e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10661e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10671e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10681e5f1caaSRalf Baechle performance. 10691e5f1caaSRalf Baechle 10701e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10711e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10727cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1073f7062ddbSRalf Baechle select CPU_HAS_LLSC 10741e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1075797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1076ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10771e5f1caaSRalf Baechle help 10785e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10796e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10806e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10816e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10826e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10831da177e4SLinus Torvalds 10846e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10856e760c8dSRalf Baechle bool "MIPS64 Release 1" 10867cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1087f7062ddbSRalf Baechle select CPU_HAS_LLSC 1088797798c1SRalf Baechle select CPU_HAS_PREFETCH 1089ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1090ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1091ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10926e760c8dSRalf Baechle help 10936e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10946e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10956e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10966e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10976e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10981e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10991e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11001e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11011e5f1caaSRalf Baechle performance. 11021e5f1caaSRalf Baechle 11031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11041e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1106f7062ddbSRalf Baechle select CPU_HAS_LLSC 1107797798c1SRalf Baechle select CPU_HAS_PREFETCH 11081e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11091e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1110ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11111e5f1caaSRalf Baechle help 11121e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11131e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11141e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11151e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11161e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11171da177e4SLinus Torvalds 11181da177e4SLinus Torvaldsconfig CPU_R3000 11191da177e4SLinus Torvalds bool "R3000" 11207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1121f7062ddbSRalf Baechle select CPU_HAS_WB 1122ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1123797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11241da177e4SLinus Torvalds help 11251da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11261da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11271da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11281da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11291da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11301da177e4SLinus Torvalds try to recompile with R3000. 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvaldsconfig CPU_TX39XX 11331da177e4SLinus Torvalds bool "R39XX" 11347cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1135ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11361da177e4SLinus Torvalds 11371da177e4SLinus Torvaldsconfig CPU_VR41XX 11381da177e4SLinus Torvalds bool "R41xx" 11397cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1140ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1141ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11421da177e4SLinus Torvalds help 11435e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11441da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11451da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11461da177e4SLinus Torvalds processor or vice versa. 11471da177e4SLinus Torvalds 11481da177e4SLinus Torvaldsconfig CPU_R4300 11491da177e4SLinus Torvalds bool "R4300" 11507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1151f7062ddbSRalf Baechle select CPU_HAS_LLSC 1152ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1153ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11541da177e4SLinus Torvalds help 11551da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvaldsconfig CPU_R4X00 11581da177e4SLinus Torvalds bool "R4x00" 11597cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1160f7062ddbSRalf Baechle select CPU_HAS_LLSC 1161ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1162ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11631da177e4SLinus Torvalds help 11641da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11651da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvaldsconfig CPU_TX49XX 11681da177e4SLinus Torvalds bool "R49XX" 11697cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1170f7062ddbSRalf Baechle select CPU_HAS_LLSC 1171de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1172ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1173ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11741da177e4SLinus Torvalds 11751da177e4SLinus Torvaldsconfig CPU_R5000 11761da177e4SLinus Torvalds bool "R5000" 11777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1178f7062ddbSRalf Baechle select CPU_HAS_LLSC 1179ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1180ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11811da177e4SLinus Torvalds help 11821da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvaldsconfig CPU_R5432 11851da177e4SLinus Torvalds bool "R5432" 11867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1187f7062ddbSRalf Baechle select CPU_HAS_LLSC 11885e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11895e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11901da177e4SLinus Torvalds 11911da177e4SLinus Torvaldsconfig CPU_R6000 11921da177e4SLinus Torvalds bool "R6000" 1193ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1194f7062ddbSRalf Baechle select CPU_HAS_LLSC 11957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1196ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11971da177e4SLinus Torvalds help 11981da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1199c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12001da177e4SLinus Torvalds 12011da177e4SLinus Torvaldsconfig CPU_NEVADA 12021da177e4SLinus Torvalds bool "RM52xx" 12037cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1204f7062ddbSRalf Baechle select CPU_HAS_LLSC 1205ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1206ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12071da177e4SLinus Torvalds help 12081da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig CPU_R8000 12111da177e4SLinus Torvalds bool "R8000" 1212ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12137cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1214f7062ddbSRalf Baechle select CPU_HAS_LLSC 12155e83d430SRalf Baechle select CPU_HAS_PREFETCH 1216ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12171da177e4SLinus Torvalds help 12181da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12191da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12201da177e4SLinus Torvalds 12211da177e4SLinus Torvaldsconfig CPU_R10000 12221da177e4SLinus Torvalds bool "R10000" 12237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1224f7062ddbSRalf Baechle select CPU_HAS_LLSC 12255e83d430SRalf Baechle select CPU_HAS_PREFETCH 1226ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1227ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1228797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12291da177e4SLinus Torvalds help 12301da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12311da177e4SLinus Torvalds 12321da177e4SLinus Torvaldsconfig CPU_RM7000 12331da177e4SLinus Torvalds bool "RM7000" 12347cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1235f7062ddbSRalf Baechle select CPU_HAS_LLSC 12365e83d430SRalf Baechle select CPU_HAS_PREFETCH 1237ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1238ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1239797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12401da177e4SLinus Torvalds 12411da177e4SLinus Torvaldsconfig CPU_RM9000 12421da177e4SLinus Torvalds bool "RM9000" 12437cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1244f7062ddbSRalf Baechle select CPU_HAS_LLSC 12455e83d430SRalf Baechle select CPU_HAS_PREFETCH 1246ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1247ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1248797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12490004a9dfSRalf Baechle select WEAK_ORDERING 12501da177e4SLinus Torvalds 12511da177e4SLinus Torvaldsconfig CPU_SB1 12521da177e4SLinus Torvalds bool "SB1" 12537cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1254f7062ddbSRalf Baechle select CPU_HAS_LLSC 1255ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1256ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1257797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12580004a9dfSRalf Baechle select WEAK_ORDERING 12591da177e4SLinus Torvalds 12601da177e4SLinus Torvaldsendchoice 12611da177e4SLinus Torvalds 12622a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12632a21c730SFuxin Zhang bool 12642a21c730SFuxin Zhang 12657cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12667cf8053bSRalf Baechle bool 12677cf8053bSRalf Baechle 12687cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12697cf8053bSRalf Baechle bool 12707cf8053bSRalf Baechle 12717cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12727cf8053bSRalf Baechle bool 12737cf8053bSRalf Baechle 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 13047cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13057cf8053bSRalf Baechle bool 13067cf8053bSRalf Baechle 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13197cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13207cf8053bSRalf Baechle bool 13217cf8053bSRalf Baechle 132217099b11SRalf Baechle# 132317099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 132417099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 132517099b11SRalf Baechle# 13260004a9dfSRalf Baechleconfig WEAK_ORDERING 13270004a9dfSRalf Baechle bool 132817099b11SRalf Baechle 132917099b11SRalf Baechle# 133017099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 133117099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133217099b11SRalf Baechle# 133317099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 133417099b11SRalf Baechle bool 13355e83d430SRalf Baechleendmenu 13365e83d430SRalf Baechle 13375e83d430SRalf Baechle# 13385e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13395e83d430SRalf Baechle# 13405e83d430SRalf Baechleconfig CPU_MIPS32 13415e83d430SRalf Baechle bool 13425e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13435e83d430SRalf Baechle 13445e83d430SRalf Baechleconfig CPU_MIPS64 13455e83d430SRalf Baechle bool 13465e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13475e83d430SRalf Baechle 13485e83d430SRalf Baechle# 1349c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13505e83d430SRalf Baechle# 13515e83d430SRalf Baechleconfig CPU_MIPSR1 13525e83d430SRalf Baechle bool 13535e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13545e83d430SRalf Baechle 13555e83d430SRalf Baechleconfig CPU_MIPSR2 13565e83d430SRalf Baechle bool 13575e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13585e83d430SRalf Baechle 13595e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13605e83d430SRalf Baechle bool 13615e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13625e83d430SRalf Baechle bool 13635e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13645e83d430SRalf Baechle bool 13655e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13665e83d430SRalf Baechle bool 13675e83d430SRalf Baechle 13685e83d430SRalf Baechlemenu "Kernel type" 13695e83d430SRalf Baechle 13705e83d430SRalf Baechlechoice 13715e83d430SRalf Baechle 13725e83d430SRalf Baechle prompt "Kernel code model" 13735e83d430SRalf Baechle help 13745e83d430SRalf Baechle You should only select this option if you have a workload that 13755e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13765e83d430SRalf Baechle large memory. You will only be presented a single option in this 13775e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13785e83d430SRalf Baechle 13795e83d430SRalf Baechleconfig 32BIT 13805e83d430SRalf Baechle bool "32-bit kernel" 13815e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13825e83d430SRalf Baechle select TRAD_SIGNALS 13835e83d430SRalf Baechle help 13845e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13855e83d430SRalf Baechleconfig 64BIT 13865e83d430SRalf Baechle bool "64-bit kernel" 13875e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13885e83d430SRalf Baechle help 13895e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13905e83d430SRalf Baechle 13915e83d430SRalf Baechleendchoice 13925e83d430SRalf Baechle 13931da177e4SLinus Torvaldschoice 13941da177e4SLinus Torvalds prompt "Kernel page size" 13951da177e4SLinus Torvalds default PAGE_SIZE_4KB 13961da177e4SLinus Torvalds 13971da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13981da177e4SLinus Torvalds bool "4kB" 13991da177e4SLinus Torvalds help 14001da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14011da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14021da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14031da177e4SLinus Torvalds recommended for low memory systems. 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14061da177e4SLinus Torvalds bool "8kB" 14071da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14081da177e4SLinus Torvalds help 14091da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14101da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14111da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14121da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14131da177e4SLinus Torvalds compatibility of user applications. 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14161da177e4SLinus Torvalds bool "16kB" 1417714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14181da177e4SLinus Torvalds help 14191da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14201da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1421714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1422714bfad6SRalf Baechle Linux distribution to support this. 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14251da177e4SLinus Torvalds bool "64kB" 14261da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14271da177e4SLinus Torvalds help 14281da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14291da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14301da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1431714bfad6SRalf Baechle writing this option is still high experimental. 14321da177e4SLinus Torvalds 14331da177e4SLinus Torvaldsendchoice 14341da177e4SLinus Torvalds 14351da177e4SLinus Torvaldsconfig BOARD_SCACHE 14361da177e4SLinus Torvalds bool 14371da177e4SLinus Torvalds 14381da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14391da177e4SLinus Torvalds bool 14401da177e4SLinus Torvalds select BOARD_SCACHE 14411da177e4SLinus Torvalds 14429318c51aSChris Dearman# 14439318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14449318c51aSChris Dearman# 14459318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14469318c51aSChris Dearman bool 14479318c51aSChris Dearman select BOARD_SCACHE 14489318c51aSChris Dearman 14491da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14501da177e4SLinus Torvalds bool 14511da177e4SLinus Torvalds select BOARD_SCACHE 14521da177e4SLinus Torvalds 14531da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14541da177e4SLinus Torvalds bool 14551da177e4SLinus Torvalds select BOARD_SCACHE 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14581da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14591da177e4SLinus Torvalds depends on CPU_SB1 14601da177e4SLinus Torvalds help 14611da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14621da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14631da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1466c8094b53SRalf Baechle bool 14671da177e4SLinus Torvalds 1468340ee4b9SRalf Baechlechoice 1469340ee4b9SRalf Baechle prompt "MIPS MT options" 1470f41ae0b2SRalf Baechle 1471f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1472f41ae0b2SRalf Baechle bool "Disable multithreading support." 1473f41ae0b2SRalf Baechle help 1474f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1475f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1476f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1477f41ae0b2SRalf Baechle option in this menu. 1478340ee4b9SRalf Baechle 147959d6ab86SRalf Baechleconfig MIPS_MT_SMP 148059d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 148159d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 148259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1483d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 148459d6ab86SRalf Baechle select MIPS_MT 1485f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 148659d6ab86SRalf Baechle select SMP 14870ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 148859d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 148987353d8aSRalf Baechle select SMP_UP 149059d6ab86SRalf Baechle help 149159d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 149259d6ab86SRalf Baechle has been marketesed into SMVP. 149359d6ab86SRalf Baechle 149441c594abSRalf Baechleconfig MIPS_MT_SMTC 149541c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1496f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1497f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1498f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1499ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1500f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1501d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1502f41ae0b2SRalf Baechle select MIPS_MT 1503130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 150441c594abSRalf Baechle select SMP 150573b76c78SRalf Baechle select SYS_SUPPORTS_SMP 150687353d8aSRalf Baechle select SMP_UP 1507f41ae0b2SRalf Baechle help 1508f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1509f41ae0b2SRalf Baechle marketesed into SMVP. 151041c594abSRalf Baechle 1511340ee4b9SRalf Baechleendchoice 1512340ee4b9SRalf Baechle 1513f41ae0b2SRalf Baechleconfig MIPS_MT 1514f41ae0b2SRalf Baechle bool 1515f41ae0b2SRalf Baechle 15160ab7aefcSRalf Baechleconfig SCHED_SMT 15170ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15180ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15190ab7aefcSRalf Baechle default n 15200ab7aefcSRalf Baechle help 15210ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15220ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15230ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15240ab7aefcSRalf Baechle 15250ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15260ab7aefcSRalf Baechle bool 15270ab7aefcSRalf Baechle 15280ab7aefcSRalf Baechle 1529f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1530f41ae0b2SRalf Baechle bool 1531f41ae0b2SRalf Baechle 1532f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1533f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1534f088fc84SRalf Baechle default y 153507cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 153607cc0c9eSRalf Baechle 153707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 153807cc0c9eSRalf Baechle bool "VPE loader support." 153907cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 154007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 154107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 154207cc0c9eSRalf Baechle select MIPS_MT 154307cc0c9eSRalf Baechle help 154407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 154507cc0c9eSRalf Baechle onto another VPE and running it. 1546f088fc84SRalf Baechle 1547ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1548ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1549619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1550ac8be955SRalf Baechle default y 1551ac8be955SRalf Baechle help 1552ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1553ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1554ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1555ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1556ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1557ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1558ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1559ac8be955SRalf Baechle heavy I/O interrupt load. 1560ac8be955SRalf Baechle 15610db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15620db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15630db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15640db34215SKevin D. Kissell default y 15650db34215SKevin D. Kissell help 15660db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15670db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15680db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15690db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15700db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15710db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15720db34215SKevin D. Kissell what you are doing. 15730db34215SKevin D. Kissell 1574f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1575f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1576f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1577f571eff0SKevin D. Kissell default n 1578f571eff0SKevin D. Kissell help 1579f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1580f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1581f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1582f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1583f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1584f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1585f571eff0SKevin D. Kissell you are doing. 1586f571eff0SKevin D. Kissell 1587e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1588e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1589e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1590e01402b1SRalf Baechle default y 1591e01402b1SRalf Baechle help 1592e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1593e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1594e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1595e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1596e01402b1SRalf Baechle 1597e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1598e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1599e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1600e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16015e83d430SRalf Baechle help 1602e01402b1SRalf Baechle 16032600990eSRalf Baechleconfig MIPS_APSP_KSPD 16042600990eSRalf Baechle bool "Enable KSPD" 16052600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16062600990eSRalf Baechle default y 16072600990eSRalf Baechle help 16082600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16092600990eSRalf Baechle side, actions them and returns the results. It also handles the 16102600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16112600990eSRalf Baechle exiting. You probably want to say yes here. 16122600990eSRalf Baechle 16131da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16141da177e4SLinus Torvalds bool 16151da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16161da177e4SLinus Torvalds default y 16171da177e4SLinus Torvalds 16181da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16191da177e4SLinus Torvalds bool 16201da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16211da177e4SLinus Torvalds default y 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16241da177e4SLinus Torvalds bool 16251da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16261da177e4SLinus Torvalds default y 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1629d806cb2bSRalf Baechle bool 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1632f7062ddbSRalf Baechle bool 16331da177e4SLinus Torvalds 16349693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16359693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16369693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16379693a853SFranck Bui-Huu help 16389693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16399693a853SFranck Bui-Huu increased security at both hardware and software level for 16409693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16419693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16429693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16439693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16449693a853SFranck Bui-Huu here. 16459693a853SFranck Bui-Huu 16461da177e4SLinus Torvaldsconfig CPU_HAS_WB 1647f7062ddbSRalf Baechle bool 1648e01402b1SRalf Baechle 1649f41ae0b2SRalf Baechle# 1650f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1651f41ae0b2SRalf Baechle# 1652e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1653f41ae0b2SRalf Baechle bool 1654e01402b1SRalf Baechle 1655f41ae0b2SRalf Baechle# 1656f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1657f41ae0b2SRalf Baechle# 1658e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1659f41ae0b2SRalf Baechle bool 1660e01402b1SRalf Baechle 16611da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16621da177e4SLinus Torvalds bool 16631da177e4SLinus Torvalds depends on !CPU_R3000 16641da177e4SLinus Torvalds default y 16651da177e4SLinus Torvalds 1666ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1667ea580401SRalf Baechle bool 1668ea580401SRalf Baechle 16691da177e4SLinus Torvalds# 167020d60d99SMaciej W. Rozycki# CPU non-features 167120d60d99SMaciej W. Rozycki# 167220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 167320d60d99SMaciej W. Rozycki bool 167420d60d99SMaciej W. Rozycki 167520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 167620d60d99SMaciej W. Rozycki bool 167720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 167820d60d99SMaciej W. Rozycki 167920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 168020d60d99SMaciej W. Rozycki bool 168120d60d99SMaciej W. Rozycki 168220d60d99SMaciej W. Rozycki# 1683797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1684797798c1SRalf Baechle# 1685797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1686797798c1SRalf Baechle bool 1687797798c1SRalf Baechle default y 1688797798c1SRalf Baechle 1689797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1690797798c1SRalf Baechle bool 1691797798c1SRalf Baechle default y 1692797798c1SRalf Baechle 16930d7012a9SIngo Molnarconfig IRQ_PER_CPU 16940d7012a9SIngo Molnar bool 16950d7012a9SIngo Molnar 1696797798c1SRalf Baechle# 16971da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16981da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16991da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17001da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17011da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17021da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17031da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17041da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1705797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1706797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1707797798c1SRalf Baechle# support. 17081da177e4SLinus Torvalds# 17091da177e4SLinus Torvaldsconfig HIGHMEM 17101da177e4SLinus Torvalds bool "High Memory Support" 1711797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1712797798c1SRalf Baechle 1713797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1714797798c1SRalf Baechle bool 1715797798c1SRalf Baechle 1716797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1717797798c1SRalf Baechle bool 17181da177e4SLinus Torvalds 17199693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17209693a853SFranck Bui-Huu bool 17219693a853SFranck Bui-Huu 1722b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1723b4819b59SYoichi Yuasa def_bool y 1724b4819b59SYoichi Yuasa depends on !NUMA 1725b4819b59SYoichi Yuasa 1726d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1727d8cb4e11SRalf Baechle bool 1728d8cb4e11SRalf Baechle default y if SGI_IP27 1729d8cb4e11SRalf Baechle help 17303dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1731d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1732d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1733d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1734d8cb4e11SRalf Baechle 1735cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1736cce335aeSRalf Baechle def_bool y 1737cce335aeSRalf Baechle 1738b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1739b1c6cd42SAtsushi Nemoto bool 17407de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 174131473747SAtsushi Nemoto 1742d8cb4e11SRalf Baechleconfig NUMA 1743d8cb4e11SRalf Baechle bool "NUMA Support" 1744d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1745d8cb4e11SRalf Baechle help 1746d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1747d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1748d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1749d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1750d8cb4e11SRalf Baechle disabled. 1751d8cb4e11SRalf Baechle 1752d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1753d8cb4e11SRalf Baechle bool 1754d8cb4e11SRalf Baechle 1755c80d79d7SYasunori Gotoconfig NODES_SHIFT 1756c80d79d7SYasunori Goto int 1757c80d79d7SYasunori Goto default "6" 1758c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1759c80d79d7SYasunori Goto 1760b4819b59SYoichi Yuasasource "mm/Kconfig" 1761b4819b59SYoichi Yuasa 17621da177e4SLinus Torvaldsconfig SMP 17631da177e4SLinus Torvalds bool "Multi-Processing support" 1764e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1765b4b30a5aSRalf Baechle select IRQ_PER_CPU 1766e73ea273SRalf Baechle help 17671da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17681da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17691da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17701da177e4SLinus Torvalds 17711da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17721da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17731da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17741da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17751da177e4SLinus Torvalds will run faster if you say N here. 17761da177e4SLinus Torvalds 17771da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17781da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17791da177e4SLinus Torvalds 17801da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 17811da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds If you don't know what to do here, say N. 17841da177e4SLinus Torvalds 178587353d8aSRalf Baechleconfig SMP_UP 178687353d8aSRalf Baechle bool 178787353d8aSRalf Baechle 1788e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1789e73ea273SRalf Baechle bool 1790e73ea273SRalf Baechle 179172ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 179272ede9b1SAtsushi Nemoto bool 179372ede9b1SAtsushi Nemoto 1794130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1795130e2fb7SRalf Baechle bool 1796130e2fb7SRalf Baechle 1797130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1798130e2fb7SRalf Baechle bool 1799130e2fb7SRalf Baechle 1800130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1801130e2fb7SRalf Baechle bool 1802130e2fb7SRalf Baechle 1803130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1804130e2fb7SRalf Baechle bool 1805130e2fb7SRalf Baechle 1806130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1807130e2fb7SRalf Baechle bool 1808130e2fb7SRalf Baechle 1809130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1810130e2fb7SRalf Baechle bool 1811130e2fb7SRalf Baechle 18121da177e4SLinus Torvaldsconfig NR_CPUS 18131da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 181472ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18151da177e4SLinus Torvalds depends on SMP 181672ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1817130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1818130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1819130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1820130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1821130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1822130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18231da177e4SLinus Torvalds help 18241da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18251da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18261da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 182772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 182872ede9b1SAtsushi Nemoto and 2 for all others. 18291da177e4SLinus Torvalds 18301da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 183172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 183272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 183372ede9b1SAtsushi Nemoto power of two. 18341da177e4SLinus Torvalds 1835c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1836c4eee283SAtsushi Nemoto 18371723b4a3SAtsushi Nemoto# 18381723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18391723b4a3SAtsushi Nemoto# 18401723b4a3SAtsushi Nemoto 18411723b4a3SAtsushi Nemotochoice 18421723b4a3SAtsushi Nemoto prompt "Timer frequency" 18431723b4a3SAtsushi Nemoto default HZ_250 18441723b4a3SAtsushi Nemoto help 18451723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18461723b4a3SAtsushi Nemoto 18471723b4a3SAtsushi Nemoto config HZ_48 18481723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18491723b4a3SAtsushi Nemoto 18501723b4a3SAtsushi Nemoto config HZ_100 18511723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18521723b4a3SAtsushi Nemoto 18531723b4a3SAtsushi Nemoto config HZ_128 18541723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemoto config HZ_250 18571723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18581723b4a3SAtsushi Nemoto 18591723b4a3SAtsushi Nemoto config HZ_256 18601723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemoto config HZ_1000 18631723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemoto config HZ_1024 18661723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemotoendchoice 18691723b4a3SAtsushi Nemoto 18701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18711723b4a3SAtsushi Nemoto bool 18721723b4a3SAtsushi Nemoto 18731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18741723b4a3SAtsushi Nemoto bool 18751723b4a3SAtsushi Nemoto 18761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18771723b4a3SAtsushi Nemoto bool 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18801723b4a3SAtsushi Nemoto bool 18811723b4a3SAtsushi Nemoto 18821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18831723b4a3SAtsushi Nemoto bool 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18861723b4a3SAtsushi Nemoto bool 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18891723b4a3SAtsushi Nemoto bool 18901723b4a3SAtsushi Nemoto 18911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18921723b4a3SAtsushi Nemoto bool 18931723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18941723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18951723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18961723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18971723b4a3SAtsushi Nemoto 18981723b4a3SAtsushi Nemotoconfig HZ 18991723b4a3SAtsushi Nemoto int 19001723b4a3SAtsushi Nemoto default 48 if HZ_48 19011723b4a3SAtsushi Nemoto default 100 if HZ_100 19021723b4a3SAtsushi Nemoto default 128 if HZ_128 19031723b4a3SAtsushi Nemoto default 250 if HZ_250 19041723b4a3SAtsushi Nemoto default 256 if HZ_256 19051723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19061723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19071723b4a3SAtsushi Nemoto 1908e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19091da177e4SLinus Torvalds 19101da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19111da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1912875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19131da177e4SLinus Torvalds help 19141da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19151da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19161da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19171da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19181da177e4SLinus Torvalds recommended for normal users. 19191da177e4SLinus Torvalds 1920ea6e942bSAtsushi Nemotoconfig KEXEC 1921ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1922ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1923ea6e942bSAtsushi Nemoto help 1924ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1925ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19263dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1927ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1928ea6e942bSAtsushi Nemoto 192901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1930ea6e942bSAtsushi Nemoto 1931ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1932ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1933ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1934ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1935ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1936ea6e942bSAtsushi Nemoto 1937ea6e942bSAtsushi Nemotoconfig SECCOMP 1938ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1939293c5bd1SRalf Baechle depends on PROC_FS 1940ea6e942bSAtsushi Nemoto default y 1941ea6e942bSAtsushi Nemoto help 1942ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1943ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1944ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1945ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1946ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1947ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1948ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1949ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1950ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1951ea6e942bSAtsushi Nemoto 1952ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1953ea6e942bSAtsushi Nemoto 19545e83d430SRalf Baechleendmenu 19555e83d430SRalf Baechle 19561da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19571da177e4SLinus Torvalds bool 19581da177e4SLinus Torvalds default y 19591da177e4SLinus Torvalds 19601df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19611df0f0ffSAtsushi Nemoto bool 19621df0f0ffSAtsushi Nemoto default y 19631df0f0ffSAtsushi Nemoto 19641df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19651df0f0ffSAtsushi Nemoto bool 19661df0f0ffSAtsushi Nemoto default y 19671df0f0ffSAtsushi Nemoto 1968b6c3539bSRalf Baechlesource "init/Kconfig" 1969b6c3539bSRalf Baechle 19701da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19711da177e4SLinus Torvalds 19725e83d430SRalf Baechleconfig HW_HAS_EISA 19735e83d430SRalf Baechle bool 19741da177e4SLinus Torvaldsconfig HW_HAS_PCI 19751da177e4SLinus Torvalds bool 19761da177e4SLinus Torvalds 19771da177e4SLinus Torvaldsconfig PCI 19781da177e4SLinus Torvalds bool "Support for PCI controller" 19791da177e4SLinus Torvalds depends on HW_HAS_PCI 1980abb4ae46SRalf Baechle select PCI_DOMAINS 19811da177e4SLinus Torvalds help 19821da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19831da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19841da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19851da177e4SLinus Torvalds say Y, otherwise N. 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvalds The PCI-HOWTO, available from 19881da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 19891da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 19901da177e4SLinus Torvalds doesn't. 19911da177e4SLinus Torvalds 19921da177e4SLinus Torvaldsconfig PCI_DOMAINS 19931da177e4SLinus Torvalds bool 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19961da177e4SLinus Torvalds 19971da177e4SLinus Torvalds# 19981da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19991da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20001da177e4SLinus Torvalds# users to choose the right thing ... 20011da177e4SLinus Torvalds# 20021da177e4SLinus Torvaldsconfig ISA 20031da177e4SLinus Torvalds bool 20041da177e4SLinus Torvalds 20051da177e4SLinus Torvaldsconfig EISA 20061da177e4SLinus Torvalds bool "EISA support" 20075e83d430SRalf Baechle depends on HW_HAS_EISA 20081da177e4SLinus Torvalds select ISA 2009aa414dffSRalf Baechle select GENERIC_ISA_DMA 20101da177e4SLinus Torvalds ---help--- 20111da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20121da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20151da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20161da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20171da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20181da177e4SLinus Torvalds 20191da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvalds Otherwise, say N. 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvaldsconfig TC 20261da177e4SLinus Torvalds bool "TURBOchannel support" 20271da177e4SLinus Torvalds depends on MACH_DECSTATION 20281da177e4SLinus Torvalds help 20291da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20301da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20311da177e4SLinus Torvalds is available at: 20321da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvalds#config ACCESSBUS 20351da177e4SLinus Torvalds# bool "Access.Bus support" 20361da177e4SLinus Torvalds# depends on TC 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvaldsconfig MMU 20391da177e4SLinus Torvalds bool 20401da177e4SLinus Torvalds default y 20411da177e4SLinus Torvalds 2042d865bea4SRalf Baechleconfig I8253 2043d865bea4SRalf Baechle bool 2044d865bea4SRalf Baechle 2045cce335aeSRalf Baechleconfig ZONE_DMA32 2046cce335aeSRalf Baechle bool 2047cce335aeSRalf Baechle 20481da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20511da177e4SLinus Torvalds 20521da177e4SLinus Torvaldsendmenu 20531da177e4SLinus Torvalds 20541da177e4SLinus Torvaldsmenu "Executable file formats" 20551da177e4SLinus Torvalds 20561da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20571da177e4SLinus Torvalds 20581da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20591da177e4SLinus Torvalds bool 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsconfig BINFMT_IRIX 20621da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20635e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20661da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2067875d43e7SRalf Baechle depends on 64BIT 20681da177e4SLinus Torvalds help 20691da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20701da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20711da177e4SLinus Torvalds currently 32-bit you should say Y here. 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldsconfig COMPAT 20741da177e4SLinus Torvalds bool 20751da177e4SLinus Torvalds depends on MIPS32_COMPAT 20761da177e4SLinus Torvalds default y 20771da177e4SLinus Torvalds 207805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 207905e43966SAtsushi Nemoto bool 208005e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 208105e43966SAtsushi Nemoto default y 208205e43966SAtsushi Nemoto 20831da177e4SLinus Torvaldsconfig MIPS32_O32 20841da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20851da177e4SLinus Torvalds depends on MIPS32_COMPAT 20861da177e4SLinus Torvalds help 20871da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20881da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20891da177e4SLinus Torvalds existing binaries are in this format. 20901da177e4SLinus Torvalds 20911da177e4SLinus Torvalds If unsure, say Y. 20921da177e4SLinus Torvalds 20931da177e4SLinus Torvaldsconfig MIPS32_N32 20941da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20951da177e4SLinus Torvalds depends on MIPS32_COMPAT 20961da177e4SLinus Torvalds help 20971da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20981da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20991da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21001da177e4SLinus Torvalds cases. 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvalds If unsure, say N. 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvaldsconfig BINFMT_ELF32 21051da177e4SLinus Torvalds bool 21061da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21071da177e4SLinus Torvalds 21082116245eSRalf Baechleendmenu 21091da177e4SLinus Torvalds 21102116245eSRalf Baechlemenu "Power management options" 2111952fa954SRodolfo Giometti 21122116245eSRalf Baechlesource "kernel/power/Kconfig" 2113952fa954SRodolfo Giometti 21141da177e4SLinus Torvaldsendmenu 21151da177e4SLinus Torvalds 2116d5950b43SSam Ravnborgsource "net/Kconfig" 2117d5950b43SSam Ravnborg 21181da177e4SLinus Torvaldssource "drivers/Kconfig" 21191da177e4SLinus Torvalds 21201da177e4SLinus Torvaldssource "fs/Kconfig" 21211da177e4SLinus Torvalds 212209cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 21235e83d430SRalf Baechle 21241da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvaldssource "security/Kconfig" 21271da177e4SLinus Torvalds 21281da177e4SLinus Torvaldssource "crypto/Kconfig" 21291da177e4SLinus Torvalds 21301da177e4SLinus Torvaldssource "lib/Kconfig" 2131