11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 61da177e4SLinus Torvalds 71da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 81da177e4SLinus Torvalds 91da177e4SLinus Torvaldsmenu "Machine selection" 101da177e4SLinus Torvalds 115ac6da66SChristoph Lameterconfig ZONE_DMA 125ac6da66SChristoph Lameter bool 135ac6da66SChristoph Lameter 145e83d430SRalf Baechlechoice 155e83d430SRalf Baechle prompt "System type" 165e83d430SRalf Baechle default SGI_IP22 171da177e4SLinus Torvalds 18c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 19c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 201da177e4SLinus Torvalds 2135189fadSRalf Baechleconfig BASLER_EXCITE 22be91589eSThomas Koeller bool "Basler eXcite smart camera" 2335189fadSRalf Baechle select DMA_COHERENT 2435189fadSRalf Baechle select HW_HAS_PCI 2535189fadSRalf Baechle select IRQ_CPU 2635189fadSRalf Baechle select IRQ_CPU_RM7K 2735189fadSRalf Baechle select IRQ_CPU_RM9K 28663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 2935189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3035189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3135189fadSRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3235189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 33cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3435189fadSRalf Baechle help 3535189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 36be91589eSThomas Koeller Basler Vision Technologies AG. 3735189fadSRalf Baechle 3835189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 3935189fadSRalf Baechle bool "Support for pre-release units" 4035189fadSRalf Baechle depends on BASLER_EXCITE 4135189fadSRalf Baechle default n 4235189fadSRalf Baechle help 4335189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4435189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4535189fadSRalf Baechle note that a kernel built with this option selected will not be 4635189fadSRalf Baechle able to run on normal units. 4735189fadSRalf Baechle 481da177e4SLinus Torvaldsconfig MIPS_COBALT 493fa986faSMartin Michlmayr bool "Cobalt Server" 501da177e4SLinus Torvalds select DMA_NONCOHERENT 511da177e4SLinus Torvalds select HW_HAS_PCI 521da177e4SLinus Torvalds select I8259 531da177e4SLinus Torvalds select IRQ_CPU 54252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 557cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 560a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 57ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 58ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 595e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 609fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 611da177e4SLinus Torvalds 621da177e4SLinus Torvaldsconfig MACH_DECSTATION 633fa986faSMartin Michlmayr bool "DECstations" 641da177e4SLinus Torvalds select BOOT_ELF32 651da177e4SLinus Torvalds select DMA_NONCOHERENT 66d388d685SMaciej W. Rozycki select NO_IOPORT 671da177e4SLinus Torvalds select IRQ_CPU 687cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 697cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 70ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 71ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 731723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 741723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 751723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 765e83d430SRalf Baechle help 771da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 781da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 791da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 801da177e4SLinus Torvalds 811da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 821da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds DECstation 5000/50 851da177e4SLinus Torvalds DECstation 5000/150 861da177e4SLinus Torvalds DECstation 5000/260 871da177e4SLinus Torvalds DECsystem 5900/260 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds otherwise choose R3000. 901da177e4SLinus Torvalds 915e83d430SRalf Baechleconfig MACH_JAZZ 923fa986faSMartin Michlmayr bool "Jazz family of machines" 935e83d430SRalf Baechle select ARC 945e83d430SRalf Baechle select ARC32 955e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 965e83d430SRalf Baechle select GENERIC_ISA_DMA 975e83d430SRalf Baechle select I8259 985e83d430SRalf Baechle select ISA 99de61b542SRalf Baechle select PCSPEAKER 1007cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1015e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1025e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1031723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1049fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1051da177e4SLinus Torvalds help 1065e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1075e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1085e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1095e83d430SRalf Baechle Olivetti M700-10 workstations. 1105e83d430SRalf Baechle 111*ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 112*ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 113*ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 114*ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 115*ade299d8SYoichi Yuasa select DMA_NONCOHERENT 116*ade299d8SYoichi Yuasa select BOOT_ELF32 117*ade299d8SYoichi Yuasa select BOARD_SCACHE 118*ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 119*ade299d8SYoichi Yuasa select HW_HAS_PCI 120*ade299d8SYoichi Yuasa select I8259 121*ade299d8SYoichi Yuasa select ISA 122*ade299d8SYoichi Yuasa select IRQ_CPU 123*ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 124*ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 125*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 126*ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 127*ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 128*ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 129*ade299d8SYoichi Yuasa select CPU_HAS_WB 130*ade299d8SYoichi Yuasa help 131*ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 132*ade299d8SYoichi Yuasa an FPGA northbridge 133*ade299d8SYoichi Yuasa 1341da177e4SLinus Torvaldsconfig MIPS_ATLAS 1353fa986faSMartin Michlmayr bool "MIPS Atlas board" 1361da177e4SLinus Torvalds select BOOT_ELF32 1371da177e4SLinus Torvalds select DMA_NONCOHERENT 13836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1395e83d430SRalf Baechle select IRQ_CPU 1401da177e4SLinus Torvalds select HW_HAS_PCI 1415e83d430SRalf Baechle select MIPS_BOARDS_GEN 1425e83d430SRalf Baechle select MIPS_BONITO64 143252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1445e83d430SRalf Baechle select MIPS_MSC 145f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1461da177e4SLinus Torvalds select SWAP_IO_SPACE 1477cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1497cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1507cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1517cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 152ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 153ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 156f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 1579693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 158e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 1591da177e4SLinus Torvalds help 160f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 1611da177e4SLinus Torvalds board. 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvaldsconfig MIPS_MALTA 1643fa986faSMartin Michlmayr bool "MIPS Malta board" 16561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1661da177e4SLinus Torvalds select BOOT_ELF32 1671da177e4SLinus Torvalds select DMA_NONCOHERENT 1681da177e4SLinus Torvalds select GENERIC_ISA_DMA 169aa414dffSRalf Baechle select IRQ_CPU 1701da177e4SLinus Torvalds select HW_HAS_PCI 1711da177e4SLinus Torvalds select I8259 1725e83d430SRalf Baechle select MIPS_BOARDS_GEN 1735e83d430SRalf Baechle select MIPS_BONITO64 1749318c51aSChris Dearman select MIPS_CPU_SCACHE 175252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1765e83d430SRalf Baechle select MIPS_MSC 1771da177e4SLinus Torvalds select SWAP_IO_SPACE 1787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1797cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1807cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1817cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1827cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 18336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 184ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 185ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1865e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1875e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 188f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 1899693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 1901da177e4SLinus Torvalds help 191f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 1921da177e4SLinus Torvalds board. 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvaldsconfig MIPS_SEAD 1953fa986faSMartin Michlmayr bool "MIPS SEAD board (EXPERIMENTAL)" 1961da177e4SLinus Torvalds depends on EXPERIMENTAL 1971da177e4SLinus Torvalds select IRQ_CPU 1981da177e4SLinus Torvalds select DMA_NONCOHERENT 19936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2005e83d430SRalf Baechle select MIPS_BOARDS_GEN 2017cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2027cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2037cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 204ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2055e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2065e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2075e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2089693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 209f638d197SMaciej W. Rozycki help 210f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 211f638d197SMaciej W. Rozycki board. 2121da177e4SLinus Torvalds 213c78cbf49SRalf Baechleconfig MIPS_SIM 2143fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 215c78cbf49SRalf Baechle select DMA_NONCOHERENT 21636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 217c78cbf49SRalf Baechle select IRQ_CPU 2189267a30dSMarc St-Jean select BOOT_RAW 2197cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2207cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 22136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 222c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 223c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 224f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 225c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 226c78cbf49SRalf Baechle help 227c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 228c78cbf49SRalf Baechle emulator. 229c78cbf49SRalf Baechle 2305e83d430SRalf Baechleconfig MOMENCO_OCELOT 2313fa986faSMartin Michlmayr bool "Momentum Ocelot board" 2325e83d430SRalf Baechle select DMA_NONCOHERENT 2331da177e4SLinus Torvalds select HW_HAS_PCI 2341da177e4SLinus Torvalds select IRQ_CPU 2351da177e4SLinus Torvalds select IRQ_CPU_RM7K 236252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2375e83d430SRalf Baechle select RM7000_CPU_SCACHE 2381da177e4SLinus Torvalds select SWAP_IO_SPACE 2397cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 240ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 241ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 243cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 2441da177e4SLinus Torvalds help 2455e83d430SRalf Baechle The Ocelot is a MIPS-based Single Board Computer (SBC) made by 2465e83d430SRalf Baechle Momentum Computer <http://www.momenco.com/>. 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvaldsconfig DDB5477 2493fa986faSMartin Michlmayr bool "NEC DDB Vrc-5477" 2505e83d430SRalf Baechle select DDB5XXX_COMMON 2511da177e4SLinus Torvalds select DMA_NONCOHERENT 2521da177e4SLinus Torvalds select HW_HAS_PCI 2531da177e4SLinus Torvalds select I8259 2541da177e4SLinus Torvalds select IRQ_CPU 2557cf8053bSRalf Baechle select SYS_HAS_CPU_R5432 256ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 257ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 258cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 259cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 2605e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2611da177e4SLinus Torvalds help 2621da177e4SLinus Torvalds This enables support for the R5432-based NEC DDB Vrc-5477, 2631da177e4SLinus Torvalds or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds Features : kernel debugging, serial terminal, NFS root fs, on-board 2661da177e4SLinus Torvalds ether port USB, AC97, PCI, etc. 2671da177e4SLinus Torvalds 268*ade299d8SYoichi Yuasaconfig MARKEINS 269*ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 270*ade299d8SYoichi Yuasa select DMA_NONCOHERENT 271*ade299d8SYoichi Yuasa select HW_HAS_PCI 272*ade299d8SYoichi Yuasa select IRQ_CPU 273*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 274*ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 275*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 276*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 277*ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 278*ade299d8SYoichi Yuasa help 279*ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 280*ade299d8SYoichi Yuasa boards with R5500 CPU. 281*ade299d8SYoichi Yuasa 2825e83d430SRalf Baechleconfig MACH_VR41XX 28374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 2847cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2859fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2865e83d430SRalf Baechle 287*ade299d8SYoichi Yuasaconfig PNX8550_JBS 288*ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 289*ade299d8SYoichi Yuasa select PNX8550 290*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 291*ade299d8SYoichi Yuasa 292*ade299d8SYoichi Yuasaconfig PNX8550_STB810 293*ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 294*ade299d8SYoichi Yuasa select PNX8550 295*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 296*ade299d8SYoichi Yuasa 2979267a30dSMarc St-Jeanconfig PMC_MSP 2989267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2999267a30dSMarc St-Jean depends on EXPERIMENTAL 3009267a30dSMarc St-Jean select DMA_NONCOHERENT 3019267a30dSMarc St-Jean select SWAP_IO_SPACE 3029267a30dSMarc St-Jean select NO_EXCEPT_FILL 3039267a30dSMarc St-Jean select BOOT_RAW 3049267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3059267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3069267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3079267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3089267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3099267a30dSMarc St-Jean select IRQ_CPU 3109267a30dSMarc St-Jean select SERIAL_8250 3119267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3129267a30dSMarc St-Jean help 3139267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3149267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3159267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3169267a30dSMarc St-Jean a variety of MIPS cores. 3179267a30dSMarc St-Jean 3185e83d430SRalf Baechleconfig PMC_YOSEMITE 3193fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 3205e83d430SRalf Baechle select DMA_COHERENT 3215e83d430SRalf Baechle select HW_HAS_PCI 3225e83d430SRalf Baechle select IRQ_CPU 3235e83d430SRalf Baechle select IRQ_CPU_RM7K 3245e83d430SRalf Baechle select IRQ_CPU_RM9K 3255e83d430SRalf Baechle select SWAP_IO_SPACE 3267cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 32736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3285e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3295e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3315e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 332cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 333e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3345e83d430SRalf Baechle help 3355e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3365e83d430SRalf Baechle manufactured by PMC-Sierra. 3371da177e4SLinus Torvalds 33807119621SRalf Baechleconfig QEMU 3393fa986faSMartin Michlmayr bool "Qemu" 34007119621SRalf Baechle select DMA_COHERENT 34107119621SRalf Baechle select GENERIC_ISA_DMA 34207119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 34307119621SRalf Baechle select I8259 34407119621SRalf Baechle select ISA 345de61b542SRalf Baechle select PCSPEAKER 34607119621SRalf Baechle select SWAP_IO_SPACE 3477cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 34807119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 34907119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 350c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 351b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3529fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 35372ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 35472ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 35507119621SRalf Baechle help 35607119621SRalf Baechle Qemu is a software emulator which among other architectures also 35707119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 35807119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 35907119621SRalf Baechle will eventually be removed again when Qemu has the capability to 36007119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 36107119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 36207119621SRalf Baechle 3631da177e4SLinus Torvaldsconfig SGI_IP22 3643fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3651da177e4SLinus Torvalds select ARC 3661da177e4SLinus Torvalds select ARC32 3671da177e4SLinus Torvalds select BOOT_ELF32 3681da177e4SLinus Torvalds select DMA_NONCOHERENT 3695e83d430SRalf Baechle select HW_HAS_EISA 3701da177e4SLinus Torvalds select IP22_CPU_SCACHE 3711da177e4SLinus Torvalds select IRQ_CPU 372aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3731da177e4SLinus Torvalds select SWAP_IO_SPACE 3747cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3757cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 37636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 377ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 378ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3801da177e4SLinus Torvalds help 3811da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3821da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3831da177e4SLinus Torvalds that runs on these, say Y here. 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvaldsconfig SGI_IP27 3863fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3871da177e4SLinus Torvalds select ARC 3881da177e4SLinus Torvalds select ARC64 3895e83d430SRalf Baechle select BOOT_ELF64 3901da177e4SLinus Torvalds select DMA_IP27 39136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3921da177e4SLinus Torvalds select HW_HAS_PCI 393130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3941da177e4SLinus Torvalds select PCI_DOMAINS 3957cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 396ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 398cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 399d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4001a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 401e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4021da177e4SLinus Torvalds help 4031da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4041da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4051da177e4SLinus Torvalds here. 4061da177e4SLinus Torvalds 4071da177e4SLinus Torvaldsconfig SGI_IP32 408cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4091da177e4SLinus Torvalds select ARC 4101da177e4SLinus Torvalds select ARC32 4111da177e4SLinus Torvalds select BOOT_ELF32 4121da177e4SLinus Torvalds select DMA_NONCOHERENT 4131da177e4SLinus Torvalds select HW_HAS_PCI 4141da177e4SLinus Torvalds select R5000_CPU_SCACHE 4151da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4167cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4177cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4187cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 419dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 420ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4221da177e4SLinus Torvalds help 4231da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4241da177e4SLinus Torvalds 425*ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 426*ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4275e83d430SRalf Baechle depends on EXPERIMENTAL 4285e83d430SRalf Baechle select BOOT_ELF32 4295e83d430SRalf Baechle select DMA_COHERENT 4305e83d430SRalf Baechle select SIBYTE_BCM1120 4315e83d430SRalf Baechle select SWAP_IO_SPACE 4327cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4355e83d430SRalf Baechle 436*ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 437*ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4385e83d430SRalf Baechle depends on EXPERIMENTAL 4395e83d430SRalf Baechle select BOOT_ELF32 4405e83d430SRalf Baechle select DMA_COHERENT 4415e83d430SRalf Baechle select SIBYTE_BCM1120 4425e83d430SRalf Baechle select SWAP_IO_SPACE 4437cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4445e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4455e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4465e83d430SRalf Baechle 4475e83d430SRalf Baechleconfig SIBYTE_CRHONE 4483fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4495e83d430SRalf Baechle depends on EXPERIMENTAL 4505e83d430SRalf Baechle select BOOT_ELF32 4515e83d430SRalf Baechle select DMA_COHERENT 4525e83d430SRalf Baechle select SIBYTE_BCM1125 4535e83d430SRalf Baechle select SWAP_IO_SPACE 4547cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4555e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4565e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4585e83d430SRalf Baechle 459*ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 460*ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 461*ade299d8SYoichi Yuasa depends on EXPERIMENTAL 462*ade299d8SYoichi Yuasa select BOOT_ELF32 463*ade299d8SYoichi Yuasa select DMA_COHERENT 464*ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 465*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 466*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 467*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 468*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 469*ade299d8SYoichi Yuasa 470*ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 471*ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 472*ade299d8SYoichi Yuasa select BOOT_ELF32 473*ade299d8SYoichi Yuasa select DMA_COHERENT 474*ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 475*ade299d8SYoichi Yuasa select SIBYTE_SB1250 476*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 477*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 478*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 479*ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 480*ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 481*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 482*ade299d8SYoichi Yuasa 483*ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 484*ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 485*ade299d8SYoichi Yuasa depends on EXPERIMENTAL 486*ade299d8SYoichi Yuasa select BOOT_ELF32 487*ade299d8SYoichi Yuasa select DMA_COHERENT 488*ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 489*ade299d8SYoichi Yuasa select SIBYTE_SB1250 490*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 491*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 492*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 493*ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 494*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 495*ade299d8SYoichi Yuasa 496*ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 497*ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 498*ade299d8SYoichi Yuasa depends on EXPERIMENTAL 499*ade299d8SYoichi Yuasa select BOOT_ELF32 500*ade299d8SYoichi Yuasa select DMA_COHERENT 501*ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 502*ade299d8SYoichi Yuasa select SIBYTE_SB1250 503*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 504*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 505*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 506*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 507*ade299d8SYoichi Yuasa 508*ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 509*ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 510*ade299d8SYoichi Yuasa depends on EXPERIMENTAL 511*ade299d8SYoichi Yuasa select BOOT_ELF32 512*ade299d8SYoichi Yuasa select DMA_COHERENT 513*ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 514*ade299d8SYoichi Yuasa select SIBYTE_SB1250 515*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 516*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 517*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 518*ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 519*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 520*ade299d8SYoichi Yuasa 521*ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 522*ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 523*ade299d8SYoichi Yuasa select BOOT_ELF32 524*ade299d8SYoichi Yuasa select DMA_COHERENT 525*ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 526*ade299d8SYoichi Yuasa select PCI_DOMAINS 527*ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 528*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 529*ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 530*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 531*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 532*ade299d8SYoichi Yuasa 53314b36af4SThomas Bogendoerferconfig SNI_RM 53414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5354a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5364a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5375e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5385e83d430SRalf Baechle select BOOT_ELF32 5395e83d430SRalf Baechle select DMA_NONCOHERENT 5405e83d430SRalf Baechle select GENERIC_ISA_DMA 5415e83d430SRalf Baechle select HW_HAS_EISA 5425e83d430SRalf Baechle select HW_HAS_PCI 543c066a32aSThomas Bogendoerfer select IRQ_CPU 5445e83d430SRalf Baechle select I8259 5455e83d430SRalf Baechle select ISA 546de61b542SRalf Baechle select PCSPEAKER 5474a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5487cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5494a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 550c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5514a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 55236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 553ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5545e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5554a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5565e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5581da177e4SLinus Torvalds help 55914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 56014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5615e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5625e83d430SRalf Baechle support this machine type. 5631da177e4SLinus Torvalds 5645e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5653fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5665e83d430SRalf Baechle select DMA_NONCOHERENT 5675e83d430SRalf Baechle select HW_HAS_PCI 5685e83d430SRalf Baechle select MIPS_TX3927 5695e83d430SRalf Baechle select SWAP_IO_SPACE 5707cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5715e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5726a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5742127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5755e83d430SRalf Baechle 5765e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 57708a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5785e83d430SRalf Baechle select DMA_NONCOHERENT 5795e83d430SRalf Baechle select HAS_TXX9_SERIAL 5805e83d430SRalf Baechle select HW_HAS_PCI 5815e83d430SRalf Baechle select I8259 5825e83d430SRalf Baechle select SWAP_IO_SPACE 5837cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5845e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5855e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5866a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 588cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5899fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5905e83d430SRalf Baechle help 5915e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5925e83d430SRalf Baechle support this machine type 5931da177e4SLinus Torvalds 59423fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5953fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59623fbee9dSRalf Baechle select HAVE_STD_PC_SERIAL_PORT 59723fbee9dSRalf Baechle select DMA_NONCOHERENT 59823fbee9dSRalf Baechle select GENERIC_ISA_DMA 59923fbee9dSRalf Baechle select HAS_TXX9_SERIAL 60023fbee9dSRalf Baechle select HW_HAS_PCI 60123fbee9dSRalf Baechle select I8259 60223fbee9dSRalf Baechle select SWAP_IO_SPACE 6037cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 60423fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 60523fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 60623fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 607cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6089fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6093896b054SAtsushi Nemoto select GENERIC_GPIO 61023fbee9dSRalf Baechle help 61123fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 61223fbee9dSRalf Baechle support this machine type 61323fbee9dSRalf Baechle 614*ade299d8SYoichi Yuasaconfig WR_PPMC 615*ade299d8SYoichi Yuasa bool "Wind River PPMC board" 616*ade299d8SYoichi Yuasa select IRQ_CPU 617*ade299d8SYoichi Yuasa select BOOT_ELF32 618*ade299d8SYoichi Yuasa select DMA_NONCOHERENT 619*ade299d8SYoichi Yuasa select HW_HAS_PCI 620*ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 621*ade299d8SYoichi Yuasa select SWAP_IO_SPACE 622*ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 623*ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 624*ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 625*ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 626*ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 627*ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 628*ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 629*ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 630*ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 631*ade299d8SYoichi Yuasa help 632*ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 633*ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 634*ade299d8SYoichi Yuasa 6351da177e4SLinus Torvaldsendchoice 6361da177e4SLinus Torvalds 637c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6385e83d430SRalf Baechlesource "arch/mips/ddb5xxx/Kconfig" 6395e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6405e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6435e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 64423fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6455e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 646bdf21b18SPete Popovsource "arch/mips/philips/pnx8550/common/Kconfig" 64738b18f72SRalf Baechle 6485e83d430SRalf Baechleendmenu 6495e83d430SRalf Baechle 6501da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6511da177e4SLinus Torvalds bool 6521da177e4SLinus Torvalds default y 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6551da177e4SLinus Torvalds bool 6561da177e4SLinus Torvalds 657f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 658f0d1b0b3SDavid Howells bool 659f0d1b0b3SDavid Howells default n 660f0d1b0b3SDavid Howells 661f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 662f0d1b0b3SDavid Howells bool 663f0d1b0b3SDavid Howells default n 664f0d1b0b3SDavid Howells 6653c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6663c9ee7efSAkinobu Mita bool 6673c9ee7efSAkinobu Mita default y 6683c9ee7efSAkinobu Mita 6693c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6703c9ee7efSAkinobu Mita bool 6713c9ee7efSAkinobu Mita default y 6723c9ee7efSAkinobu Mita 6731da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6741da177e4SLinus Torvalds bool 6751da177e4SLinus Torvalds default y 6761da177e4SLinus Torvalds 6778db02010SRalf Baechleconfig GENERIC_TIME 6788db02010SRalf Baechle bool 6798db02010SRalf Baechle default y 6808db02010SRalf Baechle 6811cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6821cc89038SAtsushi Nemoto bool 6831cc89038SAtsushi Nemoto default y 6841cc89038SAtsushi Nemoto 685e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 686e77c232cSFranck Bui-Huu bool 687e77c232cSFranck Bui-Huu default n 688e77c232cSFranck Bui-Huu 6891da177e4SLinus Torvalds# 6901da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6911da177e4SLinus Torvalds# 6921da177e4SLinus Torvaldsconfig ARC 6931da177e4SLinus Torvalds bool 6941da177e4SLinus Torvalds 69561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 69661ed242dSRalf Baechle bool 69761ed242dSRalf Baechle 6989267a30dSMarc St-Jeanconfig BOOT_RAW 6999267a30dSMarc St-Jean bool 7009267a30dSMarc St-Jean 7011da177e4SLinus Torvaldsconfig DMA_COHERENT 7021da177e4SLinus Torvalds bool 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvaldsconfig DMA_IP27 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds 7074ce588cdSRalf Baechleconfig DMA_IP32 7084ce588cdSRalf Baechle bool 7094ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7104ce588cdSRalf Baechle 7111da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7121da177e4SLinus Torvalds bool 7134ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7144ce588cdSRalf Baechle 7154ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7164ce588cdSRalf Baechle bool 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvaldsconfig EARLY_PRINTK 71936a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 72036a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 72136a88530SRalf Baechle default y 72236a88530SRalf Baechle help 72336a88530SRalf Baechle This option enables special console drivers which allow the kernel 72436a88530SRalf Baechle to print messages very early in the bootup process. 72536a88530SRalf Baechle 72636a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 727490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 728490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 729490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 73036a88530SRalf Baechle unless you want to debug such a crash. 73136a88530SRalf Baechle 73236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7331da177e4SLinus Torvalds bool 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvaldsconfig GENERIC_ISA_DMA 7361da177e4SLinus Torvalds bool 73705502339SAtsushi Nemoto select ZONE_DMA 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvaldsconfig I8259 7401da177e4SLinus Torvalds bool 7411da177e4SLinus Torvalds 7421da177e4SLinus Torvaldsconfig MIPS_BONITO64 7431da177e4SLinus Torvalds bool 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvaldsconfig MIPS_MSC 7461da177e4SLinus Torvalds bool 7471da177e4SLinus Torvalds 7481da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7491da177e4SLinus Torvalds bool 7501da177e4SLinus Torvalds 751d388d685SMaciej W. Rozyckiconfig NO_IOPORT 752d388d685SMaciej W. Rozycki def_bool n 753d388d685SMaciej W. Rozycki 754aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 755aa414dffSRalf Baechle bool 75605502339SAtsushi Nemoto select ZONE_DMA 757aa414dffSRalf Baechle 75809663335SYoichi Yuasaconfig GENERIC_GPIO 75909663335SYoichi Yuasa bool 76009663335SYoichi Yuasa 7615e83d430SRalf Baechle# 7623cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7635e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7645e83d430SRalf Baechle# choice statement should be more obvious to the user. 7655e83d430SRalf Baechle# 7665e83d430SRalf Baechlechoice 7675e83d430SRalf Baechle prompt "Endianess selection" 7681da177e4SLinus Torvalds help 7691da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7705e83d430SRalf Baechle byte order. These modes require different kernels and a different 7713cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7725e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7733dde6ad8SDavid Sterba one or the other endianness. 7745e83d430SRalf Baechle 7755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7765e83d430SRalf Baechle bool "Big endian" 7775e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7785e83d430SRalf Baechle 7795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7805e83d430SRalf Baechle bool "Little endian" 7815e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7825e83d430SRalf Baechle help 7835e83d430SRalf Baechle 7845e83d430SRalf Baechleendchoice 7855e83d430SRalf Baechle 7862116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7872116245eSRalf Baechle bool 7882116245eSRalf Baechle 7895e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 7905e83d430SRalf Baechle bool 7915e83d430SRalf Baechle 7925e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 7935e83d430SRalf Baechle bool 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvaldsconfig IRQ_CPU 7961da177e4SLinus Torvalds bool 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 7991da177e4SLinus Torvalds bool 8001da177e4SLinus Torvalds 8015e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8025e83d430SRalf Baechle bool 8035e83d430SRalf Baechle 8049267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8059267a30dSMarc St-Jean bool 8069267a30dSMarc St-Jean 8079267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8089267a30dSMarc St-Jean bool 8099267a30dSMarc St-Jean 8101da177e4SLinus Torvaldsconfig DDB5XXX_COMMON 8111da177e4SLinus Torvalds bool 812cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8151da177e4SLinus Torvalds bool 8161da177e4SLinus Torvalds 817252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8181da177e4SLinus Torvalds bool 8191da177e4SLinus Torvalds 8209267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8219267a30dSMarc St-Jean bool 8229267a30dSMarc St-Jean 8231da177e4SLinus Torvaldsconfig MIPS_TX3927 8241da177e4SLinus Torvalds bool 8251da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8261da177e4SLinus Torvalds 827663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 828663c3d90Sthomas@koeller.dyndns.org bool 829663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 830663c3d90Sthomas@koeller.dyndns.org 831bdf21b18SPete Popovconfig PNX8550 832bdf21b18SPete Popov bool 833bdf21b18SPete Popov select SOC_PNX8550 834bdf21b18SPete Popov 835bdf21b18SPete Popovconfig SOC_PNX8550 836bdf21b18SPete Popov bool 837bdf21b18SPete Popov select DMA_NONCOHERENT 838bdf21b18SPete Popov select HW_HAS_PCI 839b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 84036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8417cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 842e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 843cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8444ead1681SFlorian Fainelli select GENERIC_GPIO 845bdf21b18SPete Popov 8461da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8471da177e4SLinus Torvalds bool 8481da177e4SLinus Torvalds 849355c471fSdmitry pervushinconfig EMMA2RH 850355c471fSdmitry pervushin bool 851355c471fSdmitry pervushin depends on MARKEINS 852355c471fSdmitry pervushin default y 853355c471fSdmitry pervushin 854663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 855663c3d90Sthomas@koeller.dyndns.org bool 856663c3d90Sthomas@koeller.dyndns.org 8571da177e4SLinus Torvalds# 8581da177e4SLinus Torvalds# Unfortunately not all GT64120 systems run the chip at the same clock. 8591da177e4SLinus Torvalds# As the user for the clock rate and try to minimize the available options. 8601da177e4SLinus Torvalds# 8611da177e4SLinus Torvaldschoice 8621da177e4SLinus Torvalds prompt "Galileo Chip Clock" 8636b5bf509SYoichi Yuasa depends on MOMENCO_OCELOT 8641e54f778SFranck Bui-Huu default SYSCLK_100 if MOMENCO_OCELOT 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvaldsconfig SYSCLK_100 8676b5bf509SYoichi Yuasa bool "100" if MOMENCO_OCELOT 8681da177e4SLinus Torvalds 8691da177e4SLinus Torvaldsendchoice 8701da177e4SLinus Torvalds 8715e83d430SRalf Baechleconfig ARC32 8725e83d430SRalf Baechle bool 8735e83d430SRalf Baechle 8741da177e4SLinus Torvaldsconfig BOOT_ELF32 8751da177e4SLinus Torvalds bool 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 8781da177e4SLinus Torvalds int 87906cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 88006cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 8819267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 8821da177e4SLinus Torvalds default "5" 8831da177e4SLinus Torvalds 8841da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 8851da177e4SLinus Torvalds bool 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvaldsconfig ARC_CONSOLE 8881da177e4SLinus Torvalds bool "ARC console support" 88936a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvaldsconfig ARC_MEMORY 8921da177e4SLinus Torvalds bool 89314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 8941da177e4SLinus Torvalds default y 8951da177e4SLinus Torvalds 8961da177e4SLinus Torvaldsconfig ARC_PROMLIB 8971da177e4SLinus Torvalds bool 89814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 8991da177e4SLinus Torvalds default y 9001da177e4SLinus Torvalds 9011da177e4SLinus Torvaldsconfig ARC64 9021da177e4SLinus Torvalds bool 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvaldsconfig BOOT_ELF64 9051da177e4SLinus Torvalds bool 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvaldsmenu "CPU selection" 9081da177e4SLinus Torvalds 9091da177e4SLinus Torvaldschoice 9101da177e4SLinus Torvalds prompt "CPU type" 9111da177e4SLinus Torvalds default CPU_R4X00 9121da177e4SLinus Torvalds 9132a21c730SFuxin Zhangconfig CPU_LOONGSON2 9142a21c730SFuxin Zhang bool "Loongson 2" 9152a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9162a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9172a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9182a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9192a21c730SFuxin Zhang help 9202a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9212a21c730SFuxin Zhang with many extensions. 9222a21c730SFuxin Zhang 9236e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9246e760c8dSRalf Baechle bool "MIPS32 Release 1" 9257cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 926f7062ddbSRalf Baechle select CPU_HAS_LLSC 9276e760c8dSRalf Baechle select CPU_HAS_PREFETCH 928797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 929ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9306e760c8dSRalf Baechle help 9315e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9321e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9331e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9341e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9351e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9361e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9371e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9381e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9391e5f1caaSRalf Baechle performance. 9401e5f1caaSRalf Baechle 9411e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9421e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9437cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 944f7062ddbSRalf Baechle select CPU_HAS_LLSC 9451e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 946797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 947ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9481e5f1caaSRalf Baechle help 9495e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9506e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9516e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9526e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9536e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9541da177e4SLinus Torvalds 9556e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9566e760c8dSRalf Baechle bool "MIPS64 Release 1" 9577cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 958f7062ddbSRalf Baechle select CPU_HAS_LLSC 959797798c1SRalf Baechle select CPU_HAS_PREFETCH 960ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 961ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 962ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9636e760c8dSRalf Baechle help 9646e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9656e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9666e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9676e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9686e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9691e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9701e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9711e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9721e5f1caaSRalf Baechle performance. 9731e5f1caaSRalf Baechle 9741e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9751e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9767cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 977f7062ddbSRalf Baechle select CPU_HAS_LLSC 978797798c1SRalf Baechle select CPU_HAS_PREFETCH 9791e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9801e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 981ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9821e5f1caaSRalf Baechle help 9831e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9841e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9851e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9861e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9871e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9881da177e4SLinus Torvalds 9891da177e4SLinus Torvaldsconfig CPU_R3000 9901da177e4SLinus Torvalds bool "R3000" 9917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 992f7062ddbSRalf Baechle select CPU_HAS_WB 993ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 994797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9951da177e4SLinus Torvalds help 9961da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 9971da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 9981da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 9991da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10001da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10011da177e4SLinus Torvalds try to recompile with R3000. 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvaldsconfig CPU_TX39XX 10041da177e4SLinus Torvalds bool "R39XX" 10057cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1006ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10071da177e4SLinus Torvalds 10081da177e4SLinus Torvaldsconfig CPU_VR41XX 10091da177e4SLinus Torvalds bool "R41xx" 10107cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1011ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1012ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10131da177e4SLinus Torvalds help 10145e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10151da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10161da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10171da177e4SLinus Torvalds processor or vice versa. 10181da177e4SLinus Torvalds 10191da177e4SLinus Torvaldsconfig CPU_R4300 10201da177e4SLinus Torvalds bool "R4300" 10217cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1022f7062ddbSRalf Baechle select CPU_HAS_LLSC 1023ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1024ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10251da177e4SLinus Torvalds help 10261da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvaldsconfig CPU_R4X00 10291da177e4SLinus Torvalds bool "R4x00" 10307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1031f7062ddbSRalf Baechle select CPU_HAS_LLSC 1032ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1033ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10341da177e4SLinus Torvalds help 10351da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10361da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvaldsconfig CPU_TX49XX 10391da177e4SLinus Torvalds bool "R49XX" 10407cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1041f7062ddbSRalf Baechle select CPU_HAS_LLSC 1042de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1043ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1044ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvaldsconfig CPU_R5000 10471da177e4SLinus Torvalds bool "R5000" 10487cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1049f7062ddbSRalf Baechle select CPU_HAS_LLSC 1050ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1051ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10521da177e4SLinus Torvalds help 10531da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvaldsconfig CPU_R5432 10561da177e4SLinus Torvalds bool "R5432" 10577cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1058f7062ddbSRalf Baechle select CPU_HAS_LLSC 10595e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10605e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvaldsconfig CPU_R6000 10631da177e4SLinus Torvalds bool "R6000" 1064ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1065f7062ddbSRalf Baechle select CPU_HAS_LLSC 10667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10681da177e4SLinus Torvalds help 10691da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1070c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvaldsconfig CPU_NEVADA 10731da177e4SLinus Torvalds bool "RM52xx" 10747cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1075f7062ddbSRalf Baechle select CPU_HAS_LLSC 1076ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1077ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10781da177e4SLinus Torvalds help 10791da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10801da177e4SLinus Torvalds 10811da177e4SLinus Torvaldsconfig CPU_R8000 10821da177e4SLinus Torvalds bool "R8000" 1083ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1085f7062ddbSRalf Baechle select CPU_HAS_LLSC 10865e83d430SRalf Baechle select CPU_HAS_PREFETCH 1087ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10881da177e4SLinus Torvalds help 10891da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10901da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10911da177e4SLinus Torvalds 10921da177e4SLinus Torvaldsconfig CPU_R10000 10931da177e4SLinus Torvalds bool "R10000" 10947cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1095f7062ddbSRalf Baechle select CPU_HAS_LLSC 10965e83d430SRalf Baechle select CPU_HAS_PREFETCH 1097ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1098ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1099797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11001da177e4SLinus Torvalds help 11011da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11021da177e4SLinus Torvalds 11031da177e4SLinus Torvaldsconfig CPU_RM7000 11041da177e4SLinus Torvalds bool "RM7000" 11057cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1106f7062ddbSRalf Baechle select CPU_HAS_LLSC 11075e83d430SRalf Baechle select CPU_HAS_PREFETCH 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1109ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1110797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvaldsconfig CPU_RM9000 11131da177e4SLinus Torvalds bool "RM9000" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1115f7062ddbSRalf Baechle select CPU_HAS_LLSC 11165e83d430SRalf Baechle select CPU_HAS_PREFETCH 1117ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1118ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1119797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11200004a9dfSRalf Baechle select WEAK_ORDERING 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvaldsconfig CPU_SB1 11231da177e4SLinus Torvalds bool "SB1" 11247cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1125f7062ddbSRalf Baechle select CPU_HAS_LLSC 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1128797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11290004a9dfSRalf Baechle select WEAK_ORDERING 11301da177e4SLinus Torvalds 11311da177e4SLinus Torvaldsendchoice 11321da177e4SLinus Torvalds 11332a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11342a21c730SFuxin Zhang bool 11352a21c730SFuxin Zhang 11367cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11377cf8053bSRalf Baechle bool 11387cf8053bSRalf Baechle 11397cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11407cf8053bSRalf Baechle bool 11417cf8053bSRalf Baechle 11427cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11437cf8053bSRalf Baechle bool 11447cf8053bSRalf Baechle 11457cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11467cf8053bSRalf Baechle bool 11477cf8053bSRalf Baechle 11487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11497cf8053bSRalf Baechle bool 11507cf8053bSRalf Baechle 11517cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11527cf8053bSRalf Baechle bool 11537cf8053bSRalf Baechle 11547cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11557cf8053bSRalf Baechle bool 11567cf8053bSRalf Baechle 11577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11587cf8053bSRalf Baechle bool 11597cf8053bSRalf Baechle 11607cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11617cf8053bSRalf Baechle bool 11627cf8053bSRalf Baechle 11637cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11647cf8053bSRalf Baechle bool 11657cf8053bSRalf Baechle 11667cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11677cf8053bSRalf Baechle bool 11687cf8053bSRalf Baechle 11697cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11707cf8053bSRalf Baechle bool 11717cf8053bSRalf Baechle 11727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11737cf8053bSRalf Baechle bool 11747cf8053bSRalf Baechle 11757cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11767cf8053bSRalf Baechle bool 11777cf8053bSRalf Baechle 11787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11797cf8053bSRalf Baechle bool 11807cf8053bSRalf Baechle 11817cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11827cf8053bSRalf Baechle bool 11837cf8053bSRalf Baechle 11847cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11857cf8053bSRalf Baechle bool 11867cf8053bSRalf Baechle 11877cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11887cf8053bSRalf Baechle bool 11897cf8053bSRalf Baechle 11907cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11917cf8053bSRalf Baechle bool 11927cf8053bSRalf Baechle 119317099b11SRalf Baechle# 119417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 119517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 119617099b11SRalf Baechle# 11970004a9dfSRalf Baechleconfig WEAK_ORDERING 11980004a9dfSRalf Baechle bool 119917099b11SRalf Baechle 120017099b11SRalf Baechle# 120117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 120217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 120317099b11SRalf Baechle# 120417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 120517099b11SRalf Baechle bool 12065e83d430SRalf Baechleendmenu 12075e83d430SRalf Baechle 12085e83d430SRalf Baechle# 12095e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12105e83d430SRalf Baechle# 12115e83d430SRalf Baechleconfig CPU_MIPS32 12125e83d430SRalf Baechle bool 12135e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12145e83d430SRalf Baechle 12155e83d430SRalf Baechleconfig CPU_MIPS64 12165e83d430SRalf Baechle bool 12175e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12185e83d430SRalf Baechle 12195e83d430SRalf Baechle# 1220c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12215e83d430SRalf Baechle# 12225e83d430SRalf Baechleconfig CPU_MIPSR1 12235e83d430SRalf Baechle bool 12245e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12255e83d430SRalf Baechle 12265e83d430SRalf Baechleconfig CPU_MIPSR2 12275e83d430SRalf Baechle bool 12285e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12295e83d430SRalf Baechle 12305e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12315e83d430SRalf Baechle bool 12325e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12335e83d430SRalf Baechle bool 12345e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12355e83d430SRalf Baechle bool 12365e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12375e83d430SRalf Baechle bool 12385e83d430SRalf Baechle 12395e83d430SRalf Baechlemenu "Kernel type" 12405e83d430SRalf Baechle 12415e83d430SRalf Baechlechoice 12425e83d430SRalf Baechle 12435e83d430SRalf Baechle prompt "Kernel code model" 12445e83d430SRalf Baechle help 12455e83d430SRalf Baechle You should only select this option if you have a workload that 12465e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12475e83d430SRalf Baechle large memory. You will only be presented a single option in this 12485e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12495e83d430SRalf Baechle 12505e83d430SRalf Baechleconfig 32BIT 12515e83d430SRalf Baechle bool "32-bit kernel" 12525e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12535e83d430SRalf Baechle select TRAD_SIGNALS 12545e83d430SRalf Baechle help 12555e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12565e83d430SRalf Baechleconfig 64BIT 12575e83d430SRalf Baechle bool "64-bit kernel" 12585e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12595e83d430SRalf Baechle help 12605e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12615e83d430SRalf Baechle 12625e83d430SRalf Baechleendchoice 12635e83d430SRalf Baechle 12641da177e4SLinus Torvaldschoice 12651da177e4SLinus Torvalds prompt "Kernel page size" 12661da177e4SLinus Torvalds default PAGE_SIZE_4KB 12671da177e4SLinus Torvalds 12681da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12691da177e4SLinus Torvalds bool "4kB" 12701da177e4SLinus Torvalds help 12711da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12721da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12731da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12741da177e4SLinus Torvalds recommended for low memory systems. 12751da177e4SLinus Torvalds 12761da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12771da177e4SLinus Torvalds bool "8kB" 12781da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12791da177e4SLinus Torvalds help 12801da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12811da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12821da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12831da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12841da177e4SLinus Torvalds compatibility of user applications. 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12871da177e4SLinus Torvalds bool "16kB" 1288714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12891da177e4SLinus Torvalds help 12901da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12911da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1292714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1293714bfad6SRalf Baechle Linux distribution to support this. 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 12961da177e4SLinus Torvalds bool "64kB" 12971da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 12981da177e4SLinus Torvalds help 12991da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13001da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13011da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1302714bfad6SRalf Baechle writing this option is still high experimental. 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvaldsendchoice 13051da177e4SLinus Torvalds 13061da177e4SLinus Torvaldsconfig BOARD_SCACHE 13071da177e4SLinus Torvalds bool 13081da177e4SLinus Torvalds 13091da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13101da177e4SLinus Torvalds bool 13111da177e4SLinus Torvalds select BOARD_SCACHE 13121da177e4SLinus Torvalds 13139318c51aSChris Dearman# 13149318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13159318c51aSChris Dearman# 13169318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13179318c51aSChris Dearman bool 13189318c51aSChris Dearman select BOARD_SCACHE 13199318c51aSChris Dearman 13201da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds select BOARD_SCACHE 13231da177e4SLinus Torvalds 13241da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13251da177e4SLinus Torvalds bool 13261da177e4SLinus Torvalds select BOARD_SCACHE 13271da177e4SLinus Torvalds 13281da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13291da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13301da177e4SLinus Torvalds depends on CPU_SB1 13311da177e4SLinus Torvalds help 13321da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13331da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13341da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1337c8094b53SRalf Baechle bool 13381da177e4SLinus Torvalds 1339340ee4b9SRalf Baechlechoice 1340340ee4b9SRalf Baechle prompt "MIPS MT options" 1341f41ae0b2SRalf Baechle 1342f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1343f41ae0b2SRalf Baechle bool "Disable multithreading support." 1344f41ae0b2SRalf Baechle help 1345f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1346f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1347f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1348f41ae0b2SRalf Baechle option in this menu. 1349340ee4b9SRalf Baechle 135059d6ab86SRalf Baechleconfig MIPS_MT_SMP 135159d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 135259d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 135359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1354d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 135559d6ab86SRalf Baechle select CPU_MIPSR2_SRS 135659d6ab86SRalf Baechle select MIPS_MT 1357f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 135859d6ab86SRalf Baechle select SMP 135959d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 136059d6ab86SRalf Baechle help 136159d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 136259d6ab86SRalf Baechle has been marketesed into SMVP. 136359d6ab86SRalf Baechle 136441c594abSRalf Baechleconfig MIPS_MT_SMTC 136541c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1366f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1367f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1368f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1369f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1370d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1371f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1372f41ae0b2SRalf Baechle select MIPS_MT 1373130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 137441c594abSRalf Baechle select SMP 137573b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1376f41ae0b2SRalf Baechle help 1377f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1378f41ae0b2SRalf Baechle marketesed into SMVP. 137941c594abSRalf Baechle 1380e01402b1SRalf Baechleconfig MIPS_VPE_LOADER 1381e01402b1SRalf Baechle bool "VPE loader support." 1382f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1383d725cf38SChris Dearman select CPU_MIPSR2_IRQ_VI 1384d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1385b0c10b9fSRalf Baechle select CPU_MIPSR2_SRS 1386f41ae0b2SRalf Baechle select MIPS_MT 1387e01402b1SRalf Baechle help 1388e01402b1SRalf Baechle Includes a loader for loading an elf relocatable object 1389e01402b1SRalf Baechle onto another VPE and running it. 1390e01402b1SRalf Baechle 1391340ee4b9SRalf Baechleendchoice 1392340ee4b9SRalf Baechle 1393f41ae0b2SRalf Baechleconfig MIPS_MT 1394f41ae0b2SRalf Baechle bool 1395f41ae0b2SRalf Baechle 1396f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1397f41ae0b2SRalf Baechle bool 1398f41ae0b2SRalf Baechle 1399f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1400f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1401f088fc84SRalf Baechle depends on MIPS_MT 1402f088fc84SRalf Baechle default y 1403f088fc84SRalf Baechle 1404ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1405ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1406619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1407ac8be955SRalf Baechle default y 1408ac8be955SRalf Baechle help 1409ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1410ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1411ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1412ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1413ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1414ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1415ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1416ac8be955SRalf Baechle heavy I/O interrupt load. 1417ac8be955SRalf Baechle 14180db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14190db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14200db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14210db34215SKevin D. Kissell default y 14220db34215SKevin D. Kissell help 14230db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14240db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14250db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14260db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14270db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14280db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14290db34215SKevin D. Kissell what you are doing. 14300db34215SKevin D. Kissell 1431e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1432e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1433e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1434e01402b1SRalf Baechle default y 1435e01402b1SRalf Baechle help 1436e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1437e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1438e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1439e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1440e01402b1SRalf Baechle 1441e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1442e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1443e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1444e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14455e83d430SRalf Baechle help 1446e01402b1SRalf Baechle 14472600990eSRalf Baechleconfig MIPS_APSP_KSPD 14482600990eSRalf Baechle bool "Enable KSPD" 14492600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14502600990eSRalf Baechle default y 14512600990eSRalf Baechle help 14522600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14532600990eSRalf Baechle side, actions them and returns the results. It also handles the 14542600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14552600990eSRalf Baechle exiting. You probably want to say yes here. 14562600990eSRalf Baechle 14571da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14581da177e4SLinus Torvalds bool 14591da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14601da177e4SLinus Torvalds default y 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14631da177e4SLinus Torvalds bool 14641da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14651da177e4SLinus Torvalds default y 14661da177e4SLinus Torvalds 14671da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14681da177e4SLinus Torvalds bool 14691da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14701da177e4SLinus Torvalds default y 14711da177e4SLinus Torvalds 14721da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 14731da177e4SLinus Torvalds bool "Support for 64-bit physical address space" 1474948928adSRalf Baechle depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 14751da177e4SLinus Torvalds 14761da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1477f7062ddbSRalf Baechle bool 14781da177e4SLinus Torvalds 14799693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 14809693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 14819693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 14829693a853SFranck Bui-Huu help 14839693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 14849693a853SFranck Bui-Huu increased security at both hardware and software level for 14859693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 14869693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 14879693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 14889693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 14899693a853SFranck Bui-Huu here. 14909693a853SFranck Bui-Huu 14911da177e4SLinus Torvaldsconfig CPU_HAS_WB 1492f7062ddbSRalf Baechle bool 1493e01402b1SRalf Baechle 14942a21c730SFuxin Zhangconfig 64BIT_CONTEXT 14952a21c730SFuxin Zhang bool "Save 64bit integer registers" 14962a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 14972a21c730SFuxin Zhang help 14982a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 14992a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15002a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15012a21c730SFuxin Zhang those instructions to get correct result. 15022a21c730SFuxin Zhang 1503f41ae0b2SRalf Baechle# 1504f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1505f41ae0b2SRalf Baechle# 1506e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1507f41ae0b2SRalf Baechle bool 1508e01402b1SRalf Baechle 1509f41ae0b2SRalf Baechle# 1510f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1511f41ae0b2SRalf Baechle# 1512e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1513f41ae0b2SRalf Baechle bool 1514e01402b1SRalf Baechle 1515f41ae0b2SRalf Baechle# 1516f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1517f41ae0b2SRalf Baechle# 1518e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1519f41ae0b2SRalf Baechle bool 1520e01402b1SRalf Baechle 15211da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15221da177e4SLinus Torvalds bool 15231da177e4SLinus Torvalds depends on !CPU_R3000 15241da177e4SLinus Torvalds default y 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds# 1527797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1528797798c1SRalf Baechle# 1529797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1530797798c1SRalf Baechle bool 1531797798c1SRalf Baechle default y 1532797798c1SRalf Baechle 1533797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1534797798c1SRalf Baechle bool 1535797798c1SRalf Baechle default y 1536797798c1SRalf Baechle 15370d7012a9SIngo Molnarconfig IRQ_PER_CPU 15380d7012a9SIngo Molnar bool 15390d7012a9SIngo Molnar 1540797798c1SRalf Baechle# 15411da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15421da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15431da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15441da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15451da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15461da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15471da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15481da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1549797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1550797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1551797798c1SRalf Baechle# support. 15521da177e4SLinus Torvalds# 15531da177e4SLinus Torvaldsconfig HIGHMEM 15541da177e4SLinus Torvalds bool "High Memory Support" 1555797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1556797798c1SRalf Baechle 1557797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1558797798c1SRalf Baechle bool 1559797798c1SRalf Baechle 1560797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1561797798c1SRalf Baechle bool 15621da177e4SLinus Torvalds 15639693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15649693a853SFranck Bui-Huu bool 15659693a853SFranck Bui-Huu 1566b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1567b4819b59SYoichi Yuasa def_bool y 1568b4819b59SYoichi Yuasa depends on !NUMA 1569b4819b59SYoichi Yuasa 1570d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1571d8cb4e11SRalf Baechle bool 1572d8cb4e11SRalf Baechle default y if SGI_IP27 1573d8cb4e11SRalf Baechle help 15743dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1575d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1576d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1577d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1578d8cb4e11SRalf Baechle 1579b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1580b1c6cd42SAtsushi Nemoto bool 15817de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 158231473747SAtsushi Nemoto 1583d8cb4e11SRalf Baechleconfig NUMA 1584d8cb4e11SRalf Baechle bool "NUMA Support" 1585d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1586d8cb4e11SRalf Baechle help 1587d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1588d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1589d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1590d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1591d8cb4e11SRalf Baechle disabled. 1592d8cb4e11SRalf Baechle 1593d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1594d8cb4e11SRalf Baechle bool 1595d8cb4e11SRalf Baechle 1596c80d79d7SYasunori Gotoconfig NODES_SHIFT 1597c80d79d7SYasunori Goto int 1598c80d79d7SYasunori Goto default "6" 1599c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1600c80d79d7SYasunori Goto 1601b4819b59SYoichi Yuasasource "mm/Kconfig" 1602b4819b59SYoichi Yuasa 16031da177e4SLinus Torvaldsconfig SMP 16041da177e4SLinus Torvalds bool "Multi-Processing support" 1605e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1606b4b30a5aSRalf Baechle select IRQ_PER_CPU 1607e73ea273SRalf Baechle help 16081da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16091da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16101da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16131da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16141da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16151da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16161da177e4SLinus Torvalds will run faster if you say N here. 16171da177e4SLinus Torvalds 16181da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16191da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16201da177e4SLinus Torvalds 16211da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16221da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16231da177e4SLinus Torvalds 16241da177e4SLinus Torvalds If you don't know what to do here, say N. 16251da177e4SLinus Torvalds 1626e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1627e73ea273SRalf Baechle bool 1628e73ea273SRalf Baechle 162972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 163072ede9b1SAtsushi Nemoto bool 163172ede9b1SAtsushi Nemoto 1632130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1633130e2fb7SRalf Baechle bool 1634130e2fb7SRalf Baechle 1635130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1636130e2fb7SRalf Baechle bool 1637130e2fb7SRalf Baechle 1638130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1639130e2fb7SRalf Baechle bool 1640130e2fb7SRalf Baechle 1641130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1642130e2fb7SRalf Baechle bool 1643130e2fb7SRalf Baechle 1644130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1645130e2fb7SRalf Baechle bool 1646130e2fb7SRalf Baechle 1647130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1648130e2fb7SRalf Baechle bool 1649130e2fb7SRalf Baechle 16501da177e4SLinus Torvaldsconfig NR_CPUS 16511da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 165272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16531da177e4SLinus Torvalds depends on SMP 165472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1655130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1656130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1657130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1658130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1659130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1660130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16611da177e4SLinus Torvalds help 16621da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16631da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16641da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 166572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 166672ede9b1SAtsushi Nemoto and 2 for all others. 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 166972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 167072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 167172ede9b1SAtsushi Nemoto power of two. 16721da177e4SLinus Torvalds 16731723b4a3SAtsushi Nemoto# 16741723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16751723b4a3SAtsushi Nemoto# 16761723b4a3SAtsushi Nemoto 16771723b4a3SAtsushi Nemotochoice 16781723b4a3SAtsushi Nemoto prompt "Timer frequency" 16791723b4a3SAtsushi Nemoto default HZ_250 16801723b4a3SAtsushi Nemoto help 16811723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 16821723b4a3SAtsushi Nemoto 16831723b4a3SAtsushi Nemoto config HZ_48 16841723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 16851723b4a3SAtsushi Nemoto 16861723b4a3SAtsushi Nemoto config HZ_100 16871723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 16881723b4a3SAtsushi Nemoto 16891723b4a3SAtsushi Nemoto config HZ_128 16901723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 16911723b4a3SAtsushi Nemoto 16921723b4a3SAtsushi Nemoto config HZ_250 16931723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 16941723b4a3SAtsushi Nemoto 16951723b4a3SAtsushi Nemoto config HZ_256 16961723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 16971723b4a3SAtsushi Nemoto 16981723b4a3SAtsushi Nemoto config HZ_1000 16991723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17001723b4a3SAtsushi Nemoto 17011723b4a3SAtsushi Nemoto config HZ_1024 17021723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17031723b4a3SAtsushi Nemoto 17041723b4a3SAtsushi Nemotoendchoice 17051723b4a3SAtsushi Nemoto 17061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17071723b4a3SAtsushi Nemoto bool 17081723b4a3SAtsushi Nemoto 17091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17101723b4a3SAtsushi Nemoto bool 17111723b4a3SAtsushi Nemoto 17121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17131723b4a3SAtsushi Nemoto bool 17141723b4a3SAtsushi Nemoto 17151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17161723b4a3SAtsushi Nemoto bool 17171723b4a3SAtsushi Nemoto 17181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17191723b4a3SAtsushi Nemoto bool 17201723b4a3SAtsushi Nemoto 17211723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17221723b4a3SAtsushi Nemoto bool 17231723b4a3SAtsushi Nemoto 17241723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17251723b4a3SAtsushi Nemoto bool 17261723b4a3SAtsushi Nemoto 17271723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17281723b4a3SAtsushi Nemoto bool 17291723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17301723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17311723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17321723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17331723b4a3SAtsushi Nemoto 17341723b4a3SAtsushi Nemotoconfig HZ 17351723b4a3SAtsushi Nemoto int 17361723b4a3SAtsushi Nemoto default 48 if HZ_48 17371723b4a3SAtsushi Nemoto default 100 if HZ_100 17381723b4a3SAtsushi Nemoto default 128 if HZ_128 17391723b4a3SAtsushi Nemoto default 250 if HZ_250 17401723b4a3SAtsushi Nemoto default 256 if HZ_256 17411723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17421723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17431723b4a3SAtsushi Nemoto 1744e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17451da177e4SLinus Torvalds 17461da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17471da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1748875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17491da177e4SLinus Torvalds help 17501da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17511da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17521da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17531da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17541da177e4SLinus Torvalds recommended for normal users. 17551da177e4SLinus Torvalds 1756ea6e942bSAtsushi Nemotoconfig KEXEC 1757ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1758ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1759ea6e942bSAtsushi Nemoto help 1760ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1761ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17623dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1763ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1764ea6e942bSAtsushi Nemoto 1765ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1766ea6e942bSAtsushi Nemoto 1767ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1768ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1769ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1770ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1771ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1772ea6e942bSAtsushi Nemoto 1773ea6e942bSAtsushi Nemotoconfig SECCOMP 1774ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1775293c5bd1SRalf Baechle depends on PROC_FS 1776ea6e942bSAtsushi Nemoto default y 1777ea6e942bSAtsushi Nemoto help 1778ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1779ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1780ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1781ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1782ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1783ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1784ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1785ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1786ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1787ea6e942bSAtsushi Nemoto 1788ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1789ea6e942bSAtsushi Nemoto 17905e83d430SRalf Baechleendmenu 17915e83d430SRalf Baechle 17921da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 17931da177e4SLinus Torvalds bool 17941da177e4SLinus Torvalds default y 17951da177e4SLinus Torvalds 17961df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 17971df0f0ffSAtsushi Nemoto bool 17981df0f0ffSAtsushi Nemoto default y 17991df0f0ffSAtsushi Nemoto 18001df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18011df0f0ffSAtsushi Nemoto bool 18021df0f0ffSAtsushi Nemoto default y 18031df0f0ffSAtsushi Nemoto 1804b6c3539bSRalf Baechlesource "init/Kconfig" 1805b6c3539bSRalf Baechle 18061da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18071da177e4SLinus Torvalds 18085e83d430SRalf Baechleconfig HW_HAS_EISA 18095e83d430SRalf Baechle bool 18101da177e4SLinus Torvaldsconfig HW_HAS_PCI 18111da177e4SLinus Torvalds bool 18121da177e4SLinus Torvalds 18131da177e4SLinus Torvaldsconfig PCI 18141da177e4SLinus Torvalds bool "Support for PCI controller" 18151da177e4SLinus Torvalds depends on HW_HAS_PCI 18161da177e4SLinus Torvalds help 18171da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18181da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18191da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18201da177e4SLinus Torvalds say Y, otherwise N. 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvalds The PCI-HOWTO, available from 18231da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18241da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18251da177e4SLinus Torvalds doesn't. 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvaldsconfig PCI_DOMAINS 18281da177e4SLinus Torvalds bool 18291da177e4SLinus Torvalds depends on PCI 18301da177e4SLinus Torvalds 18311da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds# 18341da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18351da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18361da177e4SLinus Torvalds# users to choose the right thing ... 18371da177e4SLinus Torvalds# 18381da177e4SLinus Torvaldsconfig ISA 18391da177e4SLinus Torvalds bool 18401da177e4SLinus Torvalds 18411da177e4SLinus Torvaldsconfig EISA 18421da177e4SLinus Torvalds bool "EISA support" 18435e83d430SRalf Baechle depends on HW_HAS_EISA 18441da177e4SLinus Torvalds select ISA 1845aa414dffSRalf Baechle select GENERIC_ISA_DMA 18461da177e4SLinus Torvalds ---help--- 18471da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18481da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18491da177e4SLinus Torvalds 18501da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18511da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18521da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18531da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18541da177e4SLinus Torvalds 18551da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds Otherwise, say N. 18581da177e4SLinus Torvalds 18591da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18601da177e4SLinus Torvalds 18611da177e4SLinus Torvaldsconfig TC 18621da177e4SLinus Torvalds bool "TURBOchannel support" 18631da177e4SLinus Torvalds depends on MACH_DECSTATION 18641da177e4SLinus Torvalds help 18651da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18661da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18671da177e4SLinus Torvalds is available at: 18681da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18691da177e4SLinus Torvalds 18701da177e4SLinus Torvalds#config ACCESSBUS 18711da177e4SLinus Torvalds# bool "Access.Bus support" 18721da177e4SLinus Torvalds# depends on TC 18731da177e4SLinus Torvalds 18741da177e4SLinus Torvaldsconfig MMU 18751da177e4SLinus Torvalds bool 18761da177e4SLinus Torvalds default y 18771da177e4SLinus Torvalds 1878de61b542SRalf Baechleconfig PCSPEAKER 1879e5c6c8e4SMichael Neuling bool 1880e5c6c8e4SMichael Neuling 18811da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 18841da177e4SLinus Torvalds 18851da177e4SLinus Torvaldsendmenu 18861da177e4SLinus Torvalds 18871da177e4SLinus Torvaldsmenu "Executable file formats" 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvaldsconfig TRAD_SIGNALS 18921da177e4SLinus Torvalds bool 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvaldsconfig BUILD_ELF64 18951da177e4SLinus Torvalds bool "Use 64-bit ELF format for building" 1896875d43e7SRalf Baechle depends on 64BIT 18971da177e4SLinus Torvalds help 18981da177e4SLinus Torvalds A 64-bit kernel is usually built using the 64-bit ELF binary object 18991da177e4SLinus Torvalds format as it's one that allows arbitrary 64-bit constructs. For 19001da177e4SLinus Torvalds kernels that are loaded within the KSEG compatibility segments the 19011da177e4SLinus Torvalds 32-bit ELF format can optionally be used resulting in a somewhat 19021da177e4SLinus Torvalds smaller binary, but this option is not explicitly supported by the 19031da177e4SLinus Torvalds toolchain and since binutils 2.14 it does not even work at all. 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds Say Y to use the 64-bit format or N to use the 32-bit one. 19061da177e4SLinus Torvalds 19071da177e4SLinus Torvalds If unsure say Y. 19081da177e4SLinus Torvalds 19091da177e4SLinus Torvaldsconfig BINFMT_IRIX 19101da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19115e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19121da177e4SLinus Torvalds 19131da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19141da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1915875d43e7SRalf Baechle depends on 64BIT 19161da177e4SLinus Torvalds help 19171da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19181da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19191da177e4SLinus Torvalds currently 32-bit you should say Y here. 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvaldsconfig COMPAT 19221da177e4SLinus Torvalds bool 19231da177e4SLinus Torvalds depends on MIPS32_COMPAT 19241da177e4SLinus Torvalds default y 19251da177e4SLinus Torvalds 192605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 192705e43966SAtsushi Nemoto bool 192805e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 192905e43966SAtsushi Nemoto default y 193005e43966SAtsushi Nemoto 19311da177e4SLinus Torvaldsconfig MIPS32_O32 19321da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19331da177e4SLinus Torvalds depends on MIPS32_COMPAT 19341da177e4SLinus Torvalds help 19351da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19361da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19371da177e4SLinus Torvalds existing binaries are in this format. 19381da177e4SLinus Torvalds 19391da177e4SLinus Torvalds If unsure, say Y. 19401da177e4SLinus Torvalds 19411da177e4SLinus Torvaldsconfig MIPS32_N32 19421da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19431da177e4SLinus Torvalds depends on MIPS32_COMPAT 19441da177e4SLinus Torvalds help 19451da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19461da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19471da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19481da177e4SLinus Torvalds cases. 19491da177e4SLinus Torvalds 19501da177e4SLinus Torvalds If unsure, say N. 19511da177e4SLinus Torvalds 19521da177e4SLinus Torvaldsconfig BINFMT_ELF32 19531da177e4SLinus Torvalds bool 19541da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19551da177e4SLinus Torvalds 19562116245eSRalf Baechleendmenu 19571da177e4SLinus Torvalds 19582116245eSRalf Baechlemenu "Power management options" 1959952fa954SRodolfo Giometti 19602116245eSRalf Baechlesource "kernel/power/Kconfig" 1961952fa954SRodolfo Giometti 19621da177e4SLinus Torvaldsendmenu 19631da177e4SLinus Torvalds 1964d5950b43SSam Ravnborgsource "net/Kconfig" 1965d5950b43SSam Ravnborg 19661da177e4SLinus Torvaldssource "drivers/Kconfig" 19671da177e4SLinus Torvalds 19681da177e4SLinus Torvaldssource "fs/Kconfig" 19691da177e4SLinus Torvalds 19705e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19715e83d430SRalf Baechle 19721da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19731da177e4SLinus Torvalds 19741da177e4SLinus Torvaldssource "security/Kconfig" 19751da177e4SLinus Torvalds 19761da177e4SLinus Torvaldssource "crypto/Kconfig" 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvaldssource "lib/Kconfig" 1979