11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2435189fadSRalf Baechle select DMA_COHERENT 2535189fadSRalf Baechle select HW_HAS_PCI 2635189fadSRalf Baechle select IRQ_CPU 2735189fadSRalf Baechle select IRQ_CPU_RM7K 2835189fadSRalf Baechle select IRQ_CPU_RM9K 29663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3035189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3135189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3235189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 33cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3435189fadSRalf Baechle help 3535189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 36be91589eSThomas Koeller Basler Vision Technologies AG. 3735189fadSRalf Baechle 3835189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 3935189fadSRalf Baechle bool "Support for pre-release units" 4035189fadSRalf Baechle depends on BASLER_EXCITE 4135189fadSRalf Baechle default n 4235189fadSRalf Baechle help 4335189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4435189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4535189fadSRalf Baechle note that a kernel built with this option selected will not be 4635189fadSRalf Baechle able to run on normal units. 4735189fadSRalf Baechle 481c0c13ebSAurelien Jarnoconfig BCM47XX 491c0c13ebSAurelien Jarno bool "BCM47XX based boards" 501c0c13ebSAurelien Jarno select DMA_NONCOHERENT 511c0c13ebSAurelien Jarno select HW_HAS_PCI 521c0c13ebSAurelien Jarno select IRQ_CPU 531c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 541c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 551c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 561c0c13ebSAurelien Jarno select SSB 571c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 581c0c13ebSAurelien Jarno select GENERIC_GPIO 5925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 6025e5fb97SAurelien Jarno select CFE 611c0c13ebSAurelien Jarno help 621c0c13ebSAurelien Jarno Support for BCM47XX based boards 631c0c13ebSAurelien Jarno 641da177e4SLinus Torvaldsconfig MIPS_COBALT 653fa986faSMartin Michlmayr bool "Cobalt Server" 661da177e4SLinus Torvalds select DMA_NONCOHERENT 671da177e4SLinus Torvalds select HW_HAS_PCI 681da177e4SLinus Torvalds select I8259 691da177e4SLinus Torvalds select IRQ_CPU 70d5ab1a69SYoichi Yuasa select IRQ_GT641XX 71252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 727cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 730a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 74ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 75ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 779fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 781da177e4SLinus Torvalds 791da177e4SLinus Torvaldsconfig MACH_DECSTATION 803fa986faSMartin Michlmayr bool "DECstations" 811da177e4SLinus Torvalds select BOOT_ELF32 821da177e4SLinus Torvalds select DMA_NONCOHERENT 83d388d685SMaciej W. Rozycki select NO_IOPORT 841da177e4SLinus Torvalds select IRQ_CPU 857cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 87ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 88ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 895e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 901723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 911723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 921723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 935e83d430SRalf Baechle help 941da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 951da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 961da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 971da177e4SLinus Torvalds 981da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 991da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1001da177e4SLinus Torvalds 1011da177e4SLinus Torvalds DECstation 5000/50 1021da177e4SLinus Torvalds DECstation 5000/150 1031da177e4SLinus Torvalds DECstation 5000/260 1041da177e4SLinus Torvalds DECsystem 5900/260 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds otherwise choose R3000. 1071da177e4SLinus Torvalds 1085e83d430SRalf Baechleconfig MACH_JAZZ 1093fa986faSMartin Michlmayr bool "Jazz family of machines" 1105e83d430SRalf Baechle select ARC 1115e83d430SRalf Baechle select ARC32 1125e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1135e83d430SRalf Baechle select GENERIC_ISA_DMA 114ea202c63SThomas Bogendoerfer select IRQ_CPU 1155e83d430SRalf Baechle select I8259 1165e83d430SRalf Baechle select ISA 117de61b542SRalf Baechle select PCSPEAKER 1187cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1195e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1205e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1211723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1229fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1231da177e4SLinus Torvalds help 1245e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1255e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1265e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1275e83d430SRalf Baechle Olivetti M700-10 workstations. 1285e83d430SRalf Baechle 1291f21d2bdSBrian Murphyconfig LASAT 1301f21d2bdSBrian Murphy bool "LASAT Networks platforms" 1311f21d2bdSBrian Murphy select DMA_NONCOHERENT 1321f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1331f21d2bdSBrian Murphy select HW_HAS_PCI 1341f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1351f21d2bdSBrian Murphy select MIPS_NILE4 1361f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1371f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1381f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1391f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1401f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1411f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1421f21d2bdSBrian Murphy 143ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 144ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 145ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 146ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 147ade299d8SYoichi Yuasa select DMA_NONCOHERENT 148ade299d8SYoichi Yuasa select BOOT_ELF32 149ade299d8SYoichi Yuasa select BOARD_SCACHE 150ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 151ade299d8SYoichi Yuasa select HW_HAS_PCI 152ade299d8SYoichi Yuasa select I8259 153ade299d8SYoichi Yuasa select ISA 154ade299d8SYoichi Yuasa select IRQ_CPU 155ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 156ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 157ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 158ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 159ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 160ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 16123dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 162ade299d8SYoichi Yuasa select CPU_HAS_WB 163ade299d8SYoichi Yuasa help 164ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 165ade299d8SYoichi Yuasa an FPGA northbridge 166ade299d8SYoichi Yuasa 1671da177e4SLinus Torvaldsconfig MIPS_ATLAS 1683fa986faSMartin Michlmayr bool "MIPS Atlas board" 1691da177e4SLinus Torvalds select BOOT_ELF32 1701da177e4SLinus Torvalds select DMA_NONCOHERENT 17136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1725e83d430SRalf Baechle select IRQ_CPU 1731da177e4SLinus Torvalds select HW_HAS_PCI 1745e83d430SRalf Baechle select MIPS_BOARDS_GEN 1755e83d430SRalf Baechle select MIPS_BONITO64 176252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1775e83d430SRalf Baechle select MIPS_MSC 178f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1791da177e4SLinus Torvalds select SWAP_IO_SPACE 1807cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1817cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1827cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1837cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1847cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 185ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 186ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 189f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 1909693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 191e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 1921da177e4SLinus Torvalds help 193f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 1941da177e4SLinus Torvalds board. 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvaldsconfig MIPS_MALTA 1973fa986faSMartin Michlmayr bool "MIPS Malta board" 19861ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1991da177e4SLinus Torvalds select BOOT_ELF32 2001da177e4SLinus Torvalds select DMA_NONCOHERENT 2011da177e4SLinus Torvalds select GENERIC_ISA_DMA 202aa414dffSRalf Baechle select IRQ_CPU 2031da177e4SLinus Torvalds select HW_HAS_PCI 2041da177e4SLinus Torvalds select I8259 2055e83d430SRalf Baechle select MIPS_BOARDS_GEN 2065e83d430SRalf Baechle select MIPS_BONITO64 2079318c51aSChris Dearman select MIPS_CPU_SCACHE 208252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2095e83d430SRalf Baechle select MIPS_MSC 2101da177e4SLinus Torvalds select SWAP_IO_SPACE 2117cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2127cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2137cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2147cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2157cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 21636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 217ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 218ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2205e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 221f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2229693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2231da177e4SLinus Torvalds help 224f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2251da177e4SLinus Torvalds board. 2261da177e4SLinus Torvalds 2271da177e4SLinus Torvaldsconfig MIPS_SEAD 228d98cc84dSRalf Baechle bool "MIPS SEAD board" 2291da177e4SLinus Torvalds select IRQ_CPU 2301da177e4SLinus Torvalds select DMA_NONCOHERENT 23136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2325e83d430SRalf Baechle select MIPS_BOARDS_GEN 2337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 236ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2375e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2409693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 241f638d197SMaciej W. Rozycki help 242f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 243f638d197SMaciej W. Rozycki board. 2441da177e4SLinus Torvalds 245c78cbf49SRalf Baechleconfig MIPS_SIM 2463fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 247c78cbf49SRalf Baechle select DMA_NONCOHERENT 24836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 249c78cbf49SRalf Baechle select IRQ_CPU 2509267a30dSMarc St-Jean select BOOT_RAW 2517cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2527cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 25336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 254c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 255c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 256f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 257c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 258c78cbf49SRalf Baechle help 259c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 260c78cbf49SRalf Baechle emulator. 261c78cbf49SRalf Baechle 262ade299d8SYoichi Yuasaconfig MARKEINS 263ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 264ade299d8SYoichi Yuasa select DMA_NONCOHERENT 265ade299d8SYoichi Yuasa select HW_HAS_PCI 266ade299d8SYoichi Yuasa select IRQ_CPU 267ade299d8SYoichi Yuasa select SWAP_IO_SPACE 268ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 269ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 270ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 271ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 272ade299d8SYoichi Yuasa help 273ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 274ade299d8SYoichi Yuasa boards with R5500 CPU. 275ade299d8SYoichi Yuasa 2765e83d430SRalf Baechleconfig MACH_VR41XX 27774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 2787cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2799fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2805e83d430SRalf Baechle 281ade299d8SYoichi Yuasaconfig PNX8550_JBS 282ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 283ade299d8SYoichi Yuasa select PNX8550 284ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 285ade299d8SYoichi Yuasa 286ade299d8SYoichi Yuasaconfig PNX8550_STB810 287ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 288ade299d8SYoichi Yuasa select PNX8550 289ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 290ade299d8SYoichi Yuasa 2919267a30dSMarc St-Jeanconfig PMC_MSP 2929267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2939267a30dSMarc St-Jean depends on EXPERIMENTAL 2949267a30dSMarc St-Jean select DMA_NONCOHERENT 2959267a30dSMarc St-Jean select SWAP_IO_SPACE 2969267a30dSMarc St-Jean select NO_EXCEPT_FILL 2979267a30dSMarc St-Jean select BOOT_RAW 2989267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2999267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3009267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3019267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3029267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3039267a30dSMarc St-Jean select IRQ_CPU 3049267a30dSMarc St-Jean select SERIAL_8250 3059267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3069267a30dSMarc St-Jean help 3079267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3089267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3099267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3109267a30dSMarc St-Jean a variety of MIPS cores. 3119267a30dSMarc St-Jean 3125e83d430SRalf Baechleconfig PMC_YOSEMITE 3133fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 3145e83d430SRalf Baechle select DMA_COHERENT 3155e83d430SRalf Baechle select HW_HAS_PCI 3165e83d430SRalf Baechle select IRQ_CPU 3175e83d430SRalf Baechle select IRQ_CPU_RM7K 3185e83d430SRalf Baechle select IRQ_CPU_RM9K 3195e83d430SRalf Baechle select SWAP_IO_SPACE 3207cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 32136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3225e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3235e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3255e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 326cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 327e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3285e83d430SRalf Baechle help 3295e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3305e83d430SRalf Baechle manufactured by PMC-Sierra. 3311da177e4SLinus Torvalds 33207119621SRalf Baechleconfig QEMU 3333fa986faSMartin Michlmayr bool "Qemu" 33407119621SRalf Baechle select DMA_COHERENT 33507119621SRalf Baechle select GENERIC_ISA_DMA 33607119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 33707119621SRalf Baechle select I8259 338*7bcf7717SRalf Baechle select IRQ_CPU 33907119621SRalf Baechle select ISA 340de61b542SRalf Baechle select PCSPEAKER 34107119621SRalf Baechle select SWAP_IO_SPACE 3427cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 34307119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 34407119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 345c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 346b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3479fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 34872ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 34972ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 35007119621SRalf Baechle help 35107119621SRalf Baechle Qemu is a software emulator which among other architectures also 35207119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 35307119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 35407119621SRalf Baechle will eventually be removed again when Qemu has the capability to 35507119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 35607119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 35707119621SRalf Baechle 3581da177e4SLinus Torvaldsconfig SGI_IP22 3593fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3601da177e4SLinus Torvalds select ARC 3611da177e4SLinus Torvalds select ARC32 3621da177e4SLinus Torvalds select BOOT_ELF32 3631da177e4SLinus Torvalds select DMA_NONCOHERENT 3645e83d430SRalf Baechle select HW_HAS_EISA 3651da177e4SLinus Torvalds select IP22_CPU_SCACHE 3661da177e4SLinus Torvalds select IRQ_CPU 367aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3681da177e4SLinus Torvalds select SWAP_IO_SPACE 3697cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3707cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 37136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 372ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 373ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3745e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3751da177e4SLinus Torvalds help 3761da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3771da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3781da177e4SLinus Torvalds that runs on these, say Y here. 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvaldsconfig SGI_IP27 3813fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3821da177e4SLinus Torvalds select ARC 3831da177e4SLinus Torvalds select ARC64 3845e83d430SRalf Baechle select BOOT_ELF64 3851da177e4SLinus Torvalds select DMA_IP27 38636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3871da177e4SLinus Torvalds select HW_HAS_PCI 388130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3897cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 390ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 392cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 393d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3941a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 395e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3961da177e4SLinus Torvalds help 3971da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3981da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3991da177e4SLinus Torvalds here. 4001da177e4SLinus Torvalds 4011da177e4SLinus Torvaldsconfig SGI_IP32 402cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4031da177e4SLinus Torvalds select ARC 4041da177e4SLinus Torvalds select ARC32 4051da177e4SLinus Torvalds select BOOT_ELF32 4061da177e4SLinus Torvalds select DMA_NONCOHERENT 4071da177e4SLinus Torvalds select HW_HAS_PCI 4081da177e4SLinus Torvalds select R5000_CPU_SCACHE 4091da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4127cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 413dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 414ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4161da177e4SLinus Torvalds help 4171da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4181da177e4SLinus Torvalds 419ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 420ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4215e83d430SRalf Baechle depends on EXPERIMENTAL 4225e83d430SRalf Baechle select BOOT_ELF32 4235e83d430SRalf Baechle select DMA_COHERENT 4245e83d430SRalf Baechle select SIBYTE_BCM1120 4255e83d430SRalf Baechle select SWAP_IO_SPACE 4267cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4295e83d430SRalf Baechle 430ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 431ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4325e83d430SRalf Baechle depends on EXPERIMENTAL 4335e83d430SRalf Baechle select BOOT_ELF32 4345e83d430SRalf Baechle select DMA_COHERENT 4355e83d430SRalf Baechle select SIBYTE_BCM1120 4365e83d430SRalf Baechle select SWAP_IO_SPACE 4377cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4405e83d430SRalf Baechle 4415e83d430SRalf Baechleconfig SIBYTE_CRHONE 4423fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4435e83d430SRalf Baechle depends on EXPERIMENTAL 4445e83d430SRalf Baechle select BOOT_ELF32 4455e83d430SRalf Baechle select DMA_COHERENT 4465e83d430SRalf Baechle select SIBYTE_BCM1125 4475e83d430SRalf Baechle select SWAP_IO_SPACE 4487cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4505e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4515e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4525e83d430SRalf Baechle 453ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 454ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 455ade299d8SYoichi Yuasa depends on EXPERIMENTAL 456ade299d8SYoichi Yuasa select BOOT_ELF32 457ade299d8SYoichi Yuasa select DMA_COHERENT 458ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 459ade299d8SYoichi Yuasa select SWAP_IO_SPACE 460ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 461ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 462ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 463ade299d8SYoichi Yuasa 464ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 465ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 466ade299d8SYoichi Yuasa select BOOT_ELF32 467ade299d8SYoichi Yuasa select DMA_COHERENT 468ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 469ade299d8SYoichi Yuasa select SIBYTE_SB1250 470ade299d8SYoichi Yuasa select SWAP_IO_SPACE 471ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 475ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 476ade299d8SYoichi Yuasa 477ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 478ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 479ade299d8SYoichi Yuasa depends on EXPERIMENTAL 480ade299d8SYoichi Yuasa select BOOT_ELF32 481ade299d8SYoichi Yuasa select DMA_COHERENT 482ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 483ade299d8SYoichi Yuasa select SIBYTE_SB1250 484ade299d8SYoichi Yuasa select SWAP_IO_SPACE 485ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 488ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 489ade299d8SYoichi Yuasa 490ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 491ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 492ade299d8SYoichi Yuasa depends on EXPERIMENTAL 493ade299d8SYoichi Yuasa select BOOT_ELF32 494ade299d8SYoichi Yuasa select DMA_COHERENT 495ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 496ade299d8SYoichi Yuasa select SIBYTE_SB1250 497ade299d8SYoichi Yuasa select SWAP_IO_SPACE 498ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 501ade299d8SYoichi Yuasa 502ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 503ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 504ade299d8SYoichi Yuasa depends on EXPERIMENTAL 505ade299d8SYoichi Yuasa select BOOT_ELF32 506ade299d8SYoichi Yuasa select DMA_COHERENT 507ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 508ade299d8SYoichi Yuasa select SIBYTE_SB1250 509ade299d8SYoichi Yuasa select SWAP_IO_SPACE 510ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 514ade299d8SYoichi Yuasa 515ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 516ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 517ade299d8SYoichi Yuasa select BOOT_ELF32 518ade299d8SYoichi Yuasa select DMA_COHERENT 519ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 520ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 521ade299d8SYoichi Yuasa select SWAP_IO_SPACE 522ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 525ade299d8SYoichi Yuasa 52614b36af4SThomas Bogendoerferconfig SNI_RM 52714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5284a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5294a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5305e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5315e83d430SRalf Baechle select BOOT_ELF32 5325e83d430SRalf Baechle select DMA_NONCOHERENT 5335e83d430SRalf Baechle select GENERIC_ISA_DMA 5345e83d430SRalf Baechle select HW_HAS_EISA 5355e83d430SRalf Baechle select HW_HAS_PCI 536c066a32aSThomas Bogendoerfer select IRQ_CPU 5375e83d430SRalf Baechle select I8259 5385e83d430SRalf Baechle select ISA 539de61b542SRalf Baechle select PCSPEAKER 5404a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5417cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5424a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 543c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5444a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 546ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5475e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5484a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5495e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5511da177e4SLinus Torvalds help 55214b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55314b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5545e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5555e83d430SRalf Baechle support this machine type. 5561da177e4SLinus Torvalds 5575e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5583fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5595e83d430SRalf Baechle select DMA_NONCOHERENT 5605e83d430SRalf Baechle select HW_HAS_PCI 5615e83d430SRalf Baechle select MIPS_TX3927 562c87abd75SAtsushi Nemoto select IRQ_TXX9 5635e83d430SRalf Baechle select SWAP_IO_SPACE 5647cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5655e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5666a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5675e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5682127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5695e83d430SRalf Baechle 5705e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 57108a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5725e83d430SRalf Baechle select DMA_NONCOHERENT 5735e83d430SRalf Baechle select HAS_TXX9_SERIAL 5745e83d430SRalf Baechle select HW_HAS_PCI 575c87abd75SAtsushi Nemoto select IRQ_CPU 576c87abd75SAtsushi Nemoto select IRQ_TXX9 577c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5785e83d430SRalf Baechle select SWAP_IO_SPACE 5797cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5805e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5815e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5826a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5835e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 584cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5859fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5865e83d430SRalf Baechle help 5875e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5885e83d430SRalf Baechle support this machine type 5891da177e4SLinus Torvalds 59023fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5913fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59223fbee9dSRalf Baechle select DMA_NONCOHERENT 59323fbee9dSRalf Baechle select HAS_TXX9_SERIAL 59423fbee9dSRalf Baechle select HW_HAS_PCI 595c87abd75SAtsushi Nemoto select IRQ_CPU 596c87abd75SAtsushi Nemoto select IRQ_TXX9 59723fbee9dSRalf Baechle select SWAP_IO_SPACE 5987cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 59923fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 60023fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 60123fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 602cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6039fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6043896b054SAtsushi Nemoto select GENERIC_GPIO 60523fbee9dSRalf Baechle help 60623fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 60723fbee9dSRalf Baechle support this machine type 60823fbee9dSRalf Baechle 609ade299d8SYoichi Yuasaconfig WR_PPMC 610ade299d8SYoichi Yuasa bool "Wind River PPMC board" 611ade299d8SYoichi Yuasa select IRQ_CPU 612ade299d8SYoichi Yuasa select BOOT_ELF32 613ade299d8SYoichi Yuasa select DMA_NONCOHERENT 614ade299d8SYoichi Yuasa select HW_HAS_PCI 615ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 616ade299d8SYoichi Yuasa select SWAP_IO_SPACE 617ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 618ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 619ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 620ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 621ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 622ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 623ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 624ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 625ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 626ade299d8SYoichi Yuasa help 627ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 628ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 629ade299d8SYoichi Yuasa 6301da177e4SLinus Torvaldsendchoice 6311da177e4SLinus Torvalds 632c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6335e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6341f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6355e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 63629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 63738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6385e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 63923fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6405e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 64138b18f72SRalf Baechle 6425e83d430SRalf Baechleendmenu 6435e83d430SRalf Baechle 6441da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6451da177e4SLinus Torvalds bool 6461da177e4SLinus Torvalds default y 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6491da177e4SLinus Torvalds bool 6501da177e4SLinus Torvalds 651f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 652f0d1b0b3SDavid Howells bool 653f0d1b0b3SDavid Howells default n 654f0d1b0b3SDavid Howells 655f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 656f0d1b0b3SDavid Howells bool 657f0d1b0b3SDavid Howells default n 658f0d1b0b3SDavid Howells 6593c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6603c9ee7efSAkinobu Mita bool 6613c9ee7efSAkinobu Mita default y 6623c9ee7efSAkinobu Mita 6633c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6643c9ee7efSAkinobu Mita bool 6653c9ee7efSAkinobu Mita default y 6663c9ee7efSAkinobu Mita 6671da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6681da177e4SLinus Torvalds bool 6691da177e4SLinus Torvalds default y 6701da177e4SLinus Torvalds 671*7bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 672*7bcf7717SRalf Baechle bool 673*7bcf7717SRalf Baechle default y 674*7bcf7717SRalf Baechle 6758db02010SRalf Baechleconfig GENERIC_TIME 6768db02010SRalf Baechle bool 6778db02010SRalf Baechle default y 6788db02010SRalf Baechle 679f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 680f5ff0a28SRalf Baechle bool 681f5ff0a28SRalf Baechle default y 682f5ff0a28SRalf Baechle 6831cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6841cc89038SAtsushi Nemoto bool 6851cc89038SAtsushi Nemoto default y 6861cc89038SAtsushi Nemoto 687e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 688e77c232cSFranck Bui-Huu bool 689e77c232cSFranck Bui-Huu default n 690e77c232cSFranck Bui-Huu 6911da177e4SLinus Torvalds# 6921da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6931da177e4SLinus Torvalds# 6941da177e4SLinus Torvaldsconfig ARC 6951da177e4SLinus Torvalds bool 6961da177e4SLinus Torvalds 69761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 69861ed242dSRalf Baechle bool 69961ed242dSRalf Baechle 7009267a30dSMarc St-Jeanconfig BOOT_RAW 7019267a30dSMarc St-Jean bool 7029267a30dSMarc St-Jean 703df78b5c8SAurelien Jarnoconfig CFE 704df78b5c8SAurelien Jarno bool 705df78b5c8SAurelien Jarno 7061da177e4SLinus Torvaldsconfig DMA_COHERENT 7071da177e4SLinus Torvalds bool 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvaldsconfig DMA_IP27 7101da177e4SLinus Torvalds bool 7111da177e4SLinus Torvalds 7124ce588cdSRalf Baechleconfig DMA_IP32 7134ce588cdSRalf Baechle bool 7144ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7154ce588cdSRalf Baechle 7161da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7171da177e4SLinus Torvalds bool 7184ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7194ce588cdSRalf Baechle 7204ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7214ce588cdSRalf Baechle bool 7221da177e4SLinus Torvalds 7231da177e4SLinus Torvaldsconfig EARLY_PRINTK 72436a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 72536a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 72636a88530SRalf Baechle default y 72736a88530SRalf Baechle help 72836a88530SRalf Baechle This option enables special console drivers which allow the kernel 72936a88530SRalf Baechle to print messages very early in the bootup process. 73036a88530SRalf Baechle 73136a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 732490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 733490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 734490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 73536a88530SRalf Baechle unless you want to debug such a crash. 73636a88530SRalf Baechle 73736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7381da177e4SLinus Torvalds bool 7391da177e4SLinus Torvalds 740dbb74540SRalf Baechleconfig HOTPLUG_CPU 741dbb74540SRalf Baechle bool 742dbb74540SRalf Baechle default n 743dbb74540SRalf Baechle 7441da177e4SLinus Torvaldsconfig I8259 7451da177e4SLinus Torvalds bool 7461da177e4SLinus Torvalds 7471da177e4SLinus Torvaldsconfig MIPS_BONITO64 7481da177e4SLinus Torvalds bool 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvaldsconfig MIPS_MSC 7511da177e4SLinus Torvalds bool 7521da177e4SLinus Torvalds 7531f21d2bdSBrian Murphyconfig MIPS_NILE4 7541f21d2bdSBrian Murphy bool 7551f21d2bdSBrian Murphy 7561da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7571da177e4SLinus Torvalds bool 7581da177e4SLinus Torvalds 759d388d685SMaciej W. Rozyckiconfig NO_IOPORT 760d388d685SMaciej W. Rozycki def_bool n 761d388d685SMaciej W. Rozycki 7628313da30SRalf Baechleconfig GENERIC_ISA_DMA 7638313da30SRalf Baechle bool 7648313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7658313da30SRalf Baechle 766aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 767aa414dffSRalf Baechle bool 7688313da30SRalf Baechle select GENERIC_ISA_DMA 769aa414dffSRalf Baechle 77009663335SYoichi Yuasaconfig GENERIC_GPIO 77109663335SYoichi Yuasa bool 77209663335SYoichi Yuasa 7735e83d430SRalf Baechle# 7743cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7755e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7765e83d430SRalf Baechle# choice statement should be more obvious to the user. 7775e83d430SRalf Baechle# 7785e83d430SRalf Baechlechoice 7795e83d430SRalf Baechle prompt "Endianess selection" 7801da177e4SLinus Torvalds help 7811da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7825e83d430SRalf Baechle byte order. These modes require different kernels and a different 7833cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7845e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7853dde6ad8SDavid Sterba one or the other endianness. 7865e83d430SRalf Baechle 7875e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7885e83d430SRalf Baechle bool "Big endian" 7895e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7905e83d430SRalf Baechle 7915e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7925e83d430SRalf Baechle bool "Little endian" 7935e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7945e83d430SRalf Baechle help 7955e83d430SRalf Baechle 7965e83d430SRalf Baechleendchoice 7975e83d430SRalf Baechle 7982116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7992116245eSRalf Baechle bool 8002116245eSRalf Baechle 8015e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8025e83d430SRalf Baechle bool 8035e83d430SRalf Baechle 8045e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8055e83d430SRalf Baechle bool 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldsconfig IRQ_CPU 8081da177e4SLinus Torvalds bool 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8111da177e4SLinus Torvalds bool 8121da177e4SLinus Torvalds 8135e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8145e83d430SRalf Baechle bool 8155e83d430SRalf Baechle 8169267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8179267a30dSMarc St-Jean bool 8189267a30dSMarc St-Jean 8199267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8209267a30dSMarc St-Jean bool 8219267a30dSMarc St-Jean 8228420fd00SAtsushi Nemotoconfig IRQ_TXX9 8238420fd00SAtsushi Nemoto bool 8248420fd00SAtsushi Nemoto 825d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 826d5ab1a69SYoichi Yuasa bool 827d5ab1a69SYoichi Yuasa 8281da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8291da177e4SLinus Torvalds bool 8301da177e4SLinus Torvalds 831252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8321da177e4SLinus Torvalds bool 8331da177e4SLinus Torvalds 8349267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8359267a30dSMarc St-Jean bool 8369267a30dSMarc St-Jean 8371da177e4SLinus Torvaldsconfig MIPS_TX3927 8381da177e4SLinus Torvalds bool 8391da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8401da177e4SLinus Torvalds 841663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 842663c3d90Sthomas@koeller.dyndns.org bool 843663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 844663c3d90Sthomas@koeller.dyndns.org 845bdf21b18SPete Popovconfig PNX8550 846bdf21b18SPete Popov bool 847bdf21b18SPete Popov select SOC_PNX8550 848bdf21b18SPete Popov 849bdf21b18SPete Popovconfig SOC_PNX8550 850bdf21b18SPete Popov bool 851bdf21b18SPete Popov select DMA_NONCOHERENT 852bdf21b18SPete Popov select HW_HAS_PCI 853b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 85436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8557cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 856e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 857cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8584ead1681SFlorian Fainelli select GENERIC_GPIO 859bdf21b18SPete Popov 8601da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8611da177e4SLinus Torvalds bool 8621da177e4SLinus Torvalds 863355c471fSdmitry pervushinconfig EMMA2RH 864355c471fSdmitry pervushin bool 865355c471fSdmitry pervushin depends on MARKEINS 866355c471fSdmitry pervushin default y 867355c471fSdmitry pervushin 868663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 869663c3d90Sthomas@koeller.dyndns.org bool 870663c3d90Sthomas@koeller.dyndns.org 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 909*7bcf7717SRalf Baechlesource "kernel/time/Kconfig" 910*7bcf7717SRalf Baechle 9111da177e4SLinus Torvaldschoice 9121da177e4SLinus Torvalds prompt "CPU type" 9131da177e4SLinus Torvalds default CPU_R4X00 9141da177e4SLinus Torvalds 9152a21c730SFuxin Zhangconfig CPU_LOONGSON2 9162a21c730SFuxin Zhang bool "Loongson 2" 9172a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9182a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9192a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9202a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9212a21c730SFuxin Zhang help 9222a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9232a21c730SFuxin Zhang with many extensions. 9242a21c730SFuxin Zhang 9256e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9266e760c8dSRalf Baechle bool "MIPS32 Release 1" 9277cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 928f7062ddbSRalf Baechle select CPU_HAS_LLSC 9296e760c8dSRalf Baechle select CPU_HAS_PREFETCH 930797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 931ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9326e760c8dSRalf Baechle help 9335e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9341e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9351e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9361e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9371e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9381e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9391e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9401e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9411e5f1caaSRalf Baechle performance. 9421e5f1caaSRalf Baechle 9431e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9441e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9457cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 946f7062ddbSRalf Baechle select CPU_HAS_LLSC 9471e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 948797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 949ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9501e5f1caaSRalf Baechle help 9515e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9526e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9536e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9546e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9556e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9561da177e4SLinus Torvalds 9576e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9586e760c8dSRalf Baechle bool "MIPS64 Release 1" 9597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 960f7062ddbSRalf Baechle select CPU_HAS_LLSC 961797798c1SRalf Baechle select CPU_HAS_PREFETCH 962ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 963ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 964ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9656e760c8dSRalf Baechle help 9666e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9676e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9686e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9696e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9706e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9711e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9721e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9731e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9741e5f1caaSRalf Baechle performance. 9751e5f1caaSRalf Baechle 9761e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9771e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9787cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 979f7062ddbSRalf Baechle select CPU_HAS_LLSC 980797798c1SRalf Baechle select CPU_HAS_PREFETCH 9811e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9821e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 983ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9841e5f1caaSRalf Baechle help 9851e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9861e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9871e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9881e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9891e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvaldsconfig CPU_R3000 9921da177e4SLinus Torvalds bool "R3000" 9937cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 994f7062ddbSRalf Baechle select CPU_HAS_WB 995ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 996797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9971da177e4SLinus Torvalds help 9981da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 9991da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10001da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10011da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10021da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10031da177e4SLinus Torvalds try to recompile with R3000. 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvaldsconfig CPU_TX39XX 10061da177e4SLinus Torvalds bool "R39XX" 10077cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1008ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10091da177e4SLinus Torvalds 10101da177e4SLinus Torvaldsconfig CPU_VR41XX 10111da177e4SLinus Torvalds bool "R41xx" 10127cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1013ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1014ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10151da177e4SLinus Torvalds help 10165e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10171da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10181da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10191da177e4SLinus Torvalds processor or vice versa. 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvaldsconfig CPU_R4300 10221da177e4SLinus Torvalds bool "R4300" 10237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1024f7062ddbSRalf Baechle select CPU_HAS_LLSC 1025ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1026ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10271da177e4SLinus Torvalds help 10281da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvaldsconfig CPU_R4X00 10311da177e4SLinus Torvalds bool "R4x00" 10327cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1033f7062ddbSRalf Baechle select CPU_HAS_LLSC 1034ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1035ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10361da177e4SLinus Torvalds help 10371da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10381da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvaldsconfig CPU_TX49XX 10411da177e4SLinus Torvalds bool "R49XX" 10427cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1043f7062ddbSRalf Baechle select CPU_HAS_LLSC 1044de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1045ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1046ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10471da177e4SLinus Torvalds 10481da177e4SLinus Torvaldsconfig CPU_R5000 10491da177e4SLinus Torvalds bool "R5000" 10507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1051f7062ddbSRalf Baechle select CPU_HAS_LLSC 1052ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1053ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10541da177e4SLinus Torvalds help 10551da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10561da177e4SLinus Torvalds 10571da177e4SLinus Torvaldsconfig CPU_R5432 10581da177e4SLinus Torvalds bool "R5432" 10597cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1060f7062ddbSRalf Baechle select CPU_HAS_LLSC 10615e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10625e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvaldsconfig CPU_R6000 10651da177e4SLinus Torvalds bool "R6000" 1066ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1067f7062ddbSRalf Baechle select CPU_HAS_LLSC 10687cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1069ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10701da177e4SLinus Torvalds help 10711da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1072c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvaldsconfig CPU_NEVADA 10751da177e4SLinus Torvalds bool "RM52xx" 10767cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1077f7062ddbSRalf Baechle select CPU_HAS_LLSC 1078ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1079ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10801da177e4SLinus Torvalds help 10811da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10821da177e4SLinus Torvalds 10831da177e4SLinus Torvaldsconfig CPU_R8000 10841da177e4SLinus Torvalds bool "R8000" 1085ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1087f7062ddbSRalf Baechle select CPU_HAS_LLSC 10885e83d430SRalf Baechle select CPU_HAS_PREFETCH 1089ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10901da177e4SLinus Torvalds help 10911da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10921da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10931da177e4SLinus Torvalds 10941da177e4SLinus Torvaldsconfig CPU_R10000 10951da177e4SLinus Torvalds bool "R10000" 10967cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1097f7062ddbSRalf Baechle select CPU_HAS_LLSC 10985e83d430SRalf Baechle select CPU_HAS_PREFETCH 1099ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1101797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11021da177e4SLinus Torvalds help 11031da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11041da177e4SLinus Torvalds 11051da177e4SLinus Torvaldsconfig CPU_RM7000 11061da177e4SLinus Torvalds bool "RM7000" 11077cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1108f7062ddbSRalf Baechle select CPU_HAS_LLSC 11095e83d430SRalf Baechle select CPU_HAS_PREFETCH 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1111ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1112797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvaldsconfig CPU_RM9000 11151da177e4SLinus Torvalds bool "RM9000" 11167cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1117f7062ddbSRalf Baechle select CPU_HAS_LLSC 11185e83d430SRalf Baechle select CPU_HAS_PREFETCH 1119ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1120ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1121797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11220004a9dfSRalf Baechle select WEAK_ORDERING 11231da177e4SLinus Torvalds 11241da177e4SLinus Torvaldsconfig CPU_SB1 11251da177e4SLinus Torvalds bool "SB1" 11267cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1127f7062ddbSRalf Baechle select CPU_HAS_LLSC 1128ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1129ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1130797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11310004a9dfSRalf Baechle select WEAK_ORDERING 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvaldsendchoice 11341da177e4SLinus Torvalds 11352a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11362a21c730SFuxin Zhang bool 11372a21c730SFuxin Zhang 11387cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11397cf8053bSRalf Baechle bool 11407cf8053bSRalf Baechle 11417cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11427cf8053bSRalf Baechle bool 11437cf8053bSRalf Baechle 11447cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11457cf8053bSRalf Baechle bool 11467cf8053bSRalf Baechle 11477cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11487cf8053bSRalf Baechle bool 11497cf8053bSRalf Baechle 11507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11517cf8053bSRalf Baechle bool 11527cf8053bSRalf Baechle 11537cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11547cf8053bSRalf Baechle bool 11557cf8053bSRalf Baechle 11567cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11577cf8053bSRalf Baechle bool 11587cf8053bSRalf Baechle 11597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11607cf8053bSRalf Baechle bool 11617cf8053bSRalf Baechle 11627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11637cf8053bSRalf Baechle bool 11647cf8053bSRalf Baechle 11657cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11667cf8053bSRalf Baechle bool 11677cf8053bSRalf Baechle 11687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11697cf8053bSRalf Baechle bool 11707cf8053bSRalf Baechle 11717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11727cf8053bSRalf Baechle bool 11737cf8053bSRalf Baechle 11747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11757cf8053bSRalf Baechle bool 11767cf8053bSRalf Baechle 11777cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11787cf8053bSRalf Baechle bool 11797cf8053bSRalf Baechle 11807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11817cf8053bSRalf Baechle bool 11827cf8053bSRalf Baechle 11837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11847cf8053bSRalf Baechle bool 11857cf8053bSRalf Baechle 11867cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11877cf8053bSRalf Baechle bool 11887cf8053bSRalf Baechle 11897cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11907cf8053bSRalf Baechle bool 11917cf8053bSRalf Baechle 11927cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11937cf8053bSRalf Baechle bool 11947cf8053bSRalf Baechle 119517099b11SRalf Baechle# 119617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 119717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 119817099b11SRalf Baechle# 11990004a9dfSRalf Baechleconfig WEAK_ORDERING 12000004a9dfSRalf Baechle bool 120117099b11SRalf Baechle 120217099b11SRalf Baechle# 120317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 120417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 120517099b11SRalf Baechle# 120617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 120717099b11SRalf Baechle bool 12085e83d430SRalf Baechleendmenu 12095e83d430SRalf Baechle 12105e83d430SRalf Baechle# 12115e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12125e83d430SRalf Baechle# 12135e83d430SRalf Baechleconfig CPU_MIPS32 12145e83d430SRalf Baechle bool 12155e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12165e83d430SRalf Baechle 12175e83d430SRalf Baechleconfig CPU_MIPS64 12185e83d430SRalf Baechle bool 12195e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12205e83d430SRalf Baechle 12215e83d430SRalf Baechle# 1222c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12235e83d430SRalf Baechle# 12245e83d430SRalf Baechleconfig CPU_MIPSR1 12255e83d430SRalf Baechle bool 12265e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12275e83d430SRalf Baechle 12285e83d430SRalf Baechleconfig CPU_MIPSR2 12295e83d430SRalf Baechle bool 12305e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12315e83d430SRalf Baechle 12325e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12335e83d430SRalf Baechle bool 12345e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12355e83d430SRalf Baechle bool 12365e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12375e83d430SRalf Baechle bool 12385e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12395e83d430SRalf Baechle bool 12405e83d430SRalf Baechle 12415e83d430SRalf Baechlemenu "Kernel type" 12425e83d430SRalf Baechle 12435e83d430SRalf Baechlechoice 12445e83d430SRalf Baechle 12455e83d430SRalf Baechle prompt "Kernel code model" 12465e83d430SRalf Baechle help 12475e83d430SRalf Baechle You should only select this option if you have a workload that 12485e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12495e83d430SRalf Baechle large memory. You will only be presented a single option in this 12505e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12515e83d430SRalf Baechle 12525e83d430SRalf Baechleconfig 32BIT 12535e83d430SRalf Baechle bool "32-bit kernel" 12545e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12555e83d430SRalf Baechle select TRAD_SIGNALS 12565e83d430SRalf Baechle help 12575e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12585e83d430SRalf Baechleconfig 64BIT 12595e83d430SRalf Baechle bool "64-bit kernel" 12605e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12615e83d430SRalf Baechle help 12625e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12635e83d430SRalf Baechle 12645e83d430SRalf Baechleendchoice 12655e83d430SRalf Baechle 12661da177e4SLinus Torvaldschoice 12671da177e4SLinus Torvalds prompt "Kernel page size" 12681da177e4SLinus Torvalds default PAGE_SIZE_4KB 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12711da177e4SLinus Torvalds bool "4kB" 12721da177e4SLinus Torvalds help 12731da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12741da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12751da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12761da177e4SLinus Torvalds recommended for low memory systems. 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12791da177e4SLinus Torvalds bool "8kB" 12801da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12811da177e4SLinus Torvalds help 12821da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12831da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12841da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12851da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12861da177e4SLinus Torvalds compatibility of user applications. 12871da177e4SLinus Torvalds 12881da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12891da177e4SLinus Torvalds bool "16kB" 1290714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12911da177e4SLinus Torvalds help 12921da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12931da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1294714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1295714bfad6SRalf Baechle Linux distribution to support this. 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 12981da177e4SLinus Torvalds bool "64kB" 12991da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13001da177e4SLinus Torvalds help 13011da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13021da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13031da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1304714bfad6SRalf Baechle writing this option is still high experimental. 13051da177e4SLinus Torvalds 13061da177e4SLinus Torvaldsendchoice 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvaldsconfig BOARD_SCACHE 13091da177e4SLinus Torvalds bool 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13121da177e4SLinus Torvalds bool 13131da177e4SLinus Torvalds select BOARD_SCACHE 13141da177e4SLinus Torvalds 13159318c51aSChris Dearman# 13169318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13179318c51aSChris Dearman# 13189318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13199318c51aSChris Dearman bool 13209318c51aSChris Dearman select BOARD_SCACHE 13219318c51aSChris Dearman 13221da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13231da177e4SLinus Torvalds bool 13241da177e4SLinus Torvalds select BOARD_SCACHE 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13271da177e4SLinus Torvalds bool 13281da177e4SLinus Torvalds select BOARD_SCACHE 13291da177e4SLinus Torvalds 13301da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13311da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13321da177e4SLinus Torvalds depends on CPU_SB1 13331da177e4SLinus Torvalds help 13341da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13351da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13361da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1339c8094b53SRalf Baechle bool 13401da177e4SLinus Torvalds 1341340ee4b9SRalf Baechlechoice 1342340ee4b9SRalf Baechle prompt "MIPS MT options" 1343f41ae0b2SRalf Baechle 1344f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1345f41ae0b2SRalf Baechle bool "Disable multithreading support." 1346f41ae0b2SRalf Baechle help 1347f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1348f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1349f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1350f41ae0b2SRalf Baechle option in this menu. 1351340ee4b9SRalf Baechle 135259d6ab86SRalf Baechleconfig MIPS_MT_SMP 135359d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 135459d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 135559d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1356d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 135759d6ab86SRalf Baechle select CPU_MIPSR2_SRS 135859d6ab86SRalf Baechle select MIPS_MT 1359f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 136059d6ab86SRalf Baechle select SMP 136159d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 136259d6ab86SRalf Baechle help 136359d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 136459d6ab86SRalf Baechle has been marketesed into SMVP. 136559d6ab86SRalf Baechle 136641c594abSRalf Baechleconfig MIPS_MT_SMTC 136741c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1368f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1369f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1370f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1371f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1372d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1373f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1374f41ae0b2SRalf Baechle select MIPS_MT 1375130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 137641c594abSRalf Baechle select SMP 137773b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1378f41ae0b2SRalf Baechle help 1379f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1380f41ae0b2SRalf Baechle marketesed into SMVP. 138141c594abSRalf Baechle 1382340ee4b9SRalf Baechleendchoice 1383340ee4b9SRalf Baechle 1384f41ae0b2SRalf Baechleconfig MIPS_MT 1385f41ae0b2SRalf Baechle bool 1386f41ae0b2SRalf Baechle 1387f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1388f41ae0b2SRalf Baechle bool 1389f41ae0b2SRalf Baechle 1390f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1391f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1392f088fc84SRalf Baechle default y 139307cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 139407cc0c9eSRalf Baechle 139507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 139607cc0c9eSRalf Baechle bool "VPE loader support." 139707cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 139807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 139907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 140007cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 140107cc0c9eSRalf Baechle select MIPS_MT 140207cc0c9eSRalf Baechle help 140307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 140407cc0c9eSRalf Baechle onto another VPE and running it. 1405f088fc84SRalf Baechle 1406ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1407ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1408619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1409ac8be955SRalf Baechle default y 1410ac8be955SRalf Baechle help 1411ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1412ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1413ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1414ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1415ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1416ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1417ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1418ac8be955SRalf Baechle heavy I/O interrupt load. 1419ac8be955SRalf Baechle 14200db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14210db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14220db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14230db34215SKevin D. Kissell default y 14240db34215SKevin D. Kissell help 14250db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14260db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14270db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14280db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14290db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14300db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14310db34215SKevin D. Kissell what you are doing. 14320db34215SKevin D. Kissell 1433f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1434f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1435f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1436f571eff0SKevin D. Kissell default n 1437f571eff0SKevin D. Kissell help 1438f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1439f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1440f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1441f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1442f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1443f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1444f571eff0SKevin D. Kissell you are doing. 1445f571eff0SKevin D. Kissell 1446e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1447e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1448e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1449e01402b1SRalf Baechle default y 1450e01402b1SRalf Baechle help 1451e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1452e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1453e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1454e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1455e01402b1SRalf Baechle 1456e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1457e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1458e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1459e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14605e83d430SRalf Baechle help 1461e01402b1SRalf Baechle 14622600990eSRalf Baechleconfig MIPS_APSP_KSPD 14632600990eSRalf Baechle bool "Enable KSPD" 14642600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14652600990eSRalf Baechle default y 14662600990eSRalf Baechle help 14672600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14682600990eSRalf Baechle side, actions them and returns the results. It also handles the 14692600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14702600990eSRalf Baechle exiting. You probably want to say yes here. 14712600990eSRalf Baechle 14721da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14731da177e4SLinus Torvalds bool 14741da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14751da177e4SLinus Torvalds default y 14761da177e4SLinus Torvalds 14771da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14781da177e4SLinus Torvalds bool 14791da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14801da177e4SLinus Torvalds default y 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14831da177e4SLinus Torvalds bool 14841da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14851da177e4SLinus Torvalds default y 14861da177e4SLinus Torvalds 14871da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1488d806cb2bSRalf Baechle bool 14891da177e4SLinus Torvalds 14901da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1491f7062ddbSRalf Baechle bool 14921da177e4SLinus Torvalds 14939693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 14949693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 14959693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 14969693a853SFranck Bui-Huu help 14979693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 14989693a853SFranck Bui-Huu increased security at both hardware and software level for 14999693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15009693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15019693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15029693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15039693a853SFranck Bui-Huu here. 15049693a853SFranck Bui-Huu 15051da177e4SLinus Torvaldsconfig CPU_HAS_WB 1506f7062ddbSRalf Baechle bool 1507e01402b1SRalf Baechle 15082a21c730SFuxin Zhangconfig 64BIT_CONTEXT 15092a21c730SFuxin Zhang bool "Save 64bit integer registers" 15102a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 15112a21c730SFuxin Zhang help 15122a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15132a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15142a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15152a21c730SFuxin Zhang those instructions to get correct result. 15162a21c730SFuxin Zhang 1517f41ae0b2SRalf Baechle# 1518f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1519f41ae0b2SRalf Baechle# 1520e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1521f41ae0b2SRalf Baechle bool 1522e01402b1SRalf Baechle 1523f41ae0b2SRalf Baechle# 1524f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1525f41ae0b2SRalf Baechle# 1526e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1527f41ae0b2SRalf Baechle bool 1528e01402b1SRalf Baechle 1529f41ae0b2SRalf Baechle# 1530f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1531f41ae0b2SRalf Baechle# 1532e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1533f41ae0b2SRalf Baechle bool 1534e01402b1SRalf Baechle 15351da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15361da177e4SLinus Torvalds bool 15371da177e4SLinus Torvalds depends on !CPU_R3000 15381da177e4SLinus Torvalds default y 15391da177e4SLinus Torvalds 15401da177e4SLinus Torvalds# 1541797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1542797798c1SRalf Baechle# 1543797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1544797798c1SRalf Baechle bool 1545797798c1SRalf Baechle default y 1546797798c1SRalf Baechle 1547797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1548797798c1SRalf Baechle bool 1549797798c1SRalf Baechle default y 1550797798c1SRalf Baechle 15510d7012a9SIngo Molnarconfig IRQ_PER_CPU 15520d7012a9SIngo Molnar bool 15530d7012a9SIngo Molnar 1554797798c1SRalf Baechle# 15551da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15561da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15571da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15581da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15591da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15601da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15611da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15621da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1563797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1564797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1565797798c1SRalf Baechle# support. 15661da177e4SLinus Torvalds# 15671da177e4SLinus Torvaldsconfig HIGHMEM 15681da177e4SLinus Torvalds bool "High Memory Support" 1569797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1570797798c1SRalf Baechle 1571797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1572797798c1SRalf Baechle bool 1573797798c1SRalf Baechle 1574797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1575797798c1SRalf Baechle bool 15761da177e4SLinus Torvalds 15779693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15789693a853SFranck Bui-Huu bool 15799693a853SFranck Bui-Huu 1580b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1581b4819b59SYoichi Yuasa def_bool y 1582b4819b59SYoichi Yuasa depends on !NUMA 1583b4819b59SYoichi Yuasa 1584d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1585d8cb4e11SRalf Baechle bool 1586d8cb4e11SRalf Baechle default y if SGI_IP27 1587d8cb4e11SRalf Baechle help 15883dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1589d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1590d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1591d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1592d8cb4e11SRalf Baechle 1593b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1594b1c6cd42SAtsushi Nemoto bool 15957de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 159631473747SAtsushi Nemoto 1597d8cb4e11SRalf Baechleconfig NUMA 1598d8cb4e11SRalf Baechle bool "NUMA Support" 1599d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1600d8cb4e11SRalf Baechle help 1601d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1602d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1603d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1604d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1605d8cb4e11SRalf Baechle disabled. 1606d8cb4e11SRalf Baechle 1607d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1608d8cb4e11SRalf Baechle bool 1609d8cb4e11SRalf Baechle 1610c80d79d7SYasunori Gotoconfig NODES_SHIFT 1611c80d79d7SYasunori Goto int 1612c80d79d7SYasunori Goto default "6" 1613c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1614c80d79d7SYasunori Goto 1615b4819b59SYoichi Yuasasource "mm/Kconfig" 1616b4819b59SYoichi Yuasa 16171da177e4SLinus Torvaldsconfig SMP 16181da177e4SLinus Torvalds bool "Multi-Processing support" 1619e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1620b4b30a5aSRalf Baechle select IRQ_PER_CPU 1621e73ea273SRalf Baechle help 16221da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16231da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16241da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16271da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16281da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16291da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16301da177e4SLinus Torvalds will run faster if you say N here. 16311da177e4SLinus Torvalds 16321da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16331da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16361da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds If you don't know what to do here, say N. 16391da177e4SLinus Torvalds 1640e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1641e73ea273SRalf Baechle bool 1642e73ea273SRalf Baechle 164372ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 164472ede9b1SAtsushi Nemoto bool 164572ede9b1SAtsushi Nemoto 1646130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1647130e2fb7SRalf Baechle bool 1648130e2fb7SRalf Baechle 1649130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1650130e2fb7SRalf Baechle bool 1651130e2fb7SRalf Baechle 1652130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1653130e2fb7SRalf Baechle bool 1654130e2fb7SRalf Baechle 1655130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1656130e2fb7SRalf Baechle bool 1657130e2fb7SRalf Baechle 1658130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1659130e2fb7SRalf Baechle bool 1660130e2fb7SRalf Baechle 1661130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1662130e2fb7SRalf Baechle bool 1663130e2fb7SRalf Baechle 16641da177e4SLinus Torvaldsconfig NR_CPUS 16651da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 166672ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16671da177e4SLinus Torvalds depends on SMP 166872ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1669130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1670130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1671130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1672130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1673130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1674130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16751da177e4SLinus Torvalds help 16761da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16771da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16781da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 167972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 168072ede9b1SAtsushi Nemoto and 2 for all others. 16811da177e4SLinus Torvalds 16821da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 168372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 168472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 168572ede9b1SAtsushi Nemoto power of two. 16861da177e4SLinus Torvalds 16871723b4a3SAtsushi Nemoto# 16881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16891723b4a3SAtsushi Nemoto# 16901723b4a3SAtsushi Nemoto 16911723b4a3SAtsushi Nemotochoice 16921723b4a3SAtsushi Nemoto prompt "Timer frequency" 16931723b4a3SAtsushi Nemoto default HZ_250 16941723b4a3SAtsushi Nemoto help 16951723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 16961723b4a3SAtsushi Nemoto 16971723b4a3SAtsushi Nemoto config HZ_48 16981723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 16991723b4a3SAtsushi Nemoto 17001723b4a3SAtsushi Nemoto config HZ_100 17011723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17021723b4a3SAtsushi Nemoto 17031723b4a3SAtsushi Nemoto config HZ_128 17041723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17051723b4a3SAtsushi Nemoto 17061723b4a3SAtsushi Nemoto config HZ_250 17071723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17081723b4a3SAtsushi Nemoto 17091723b4a3SAtsushi Nemoto config HZ_256 17101723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17111723b4a3SAtsushi Nemoto 17121723b4a3SAtsushi Nemoto config HZ_1000 17131723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17141723b4a3SAtsushi Nemoto 17151723b4a3SAtsushi Nemoto config HZ_1024 17161723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17171723b4a3SAtsushi Nemoto 17181723b4a3SAtsushi Nemotoendchoice 17191723b4a3SAtsushi Nemoto 17201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17211723b4a3SAtsushi Nemoto bool 17221723b4a3SAtsushi Nemoto 17231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17241723b4a3SAtsushi Nemoto bool 17251723b4a3SAtsushi Nemoto 17261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17271723b4a3SAtsushi Nemoto bool 17281723b4a3SAtsushi Nemoto 17291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17301723b4a3SAtsushi Nemoto bool 17311723b4a3SAtsushi Nemoto 17321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17331723b4a3SAtsushi Nemoto bool 17341723b4a3SAtsushi Nemoto 17351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17361723b4a3SAtsushi Nemoto bool 17371723b4a3SAtsushi Nemoto 17381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17391723b4a3SAtsushi Nemoto bool 17401723b4a3SAtsushi Nemoto 17411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17421723b4a3SAtsushi Nemoto bool 17431723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17441723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17451723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17461723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17471723b4a3SAtsushi Nemoto 17481723b4a3SAtsushi Nemotoconfig HZ 17491723b4a3SAtsushi Nemoto int 17501723b4a3SAtsushi Nemoto default 48 if HZ_48 17511723b4a3SAtsushi Nemoto default 100 if HZ_100 17521723b4a3SAtsushi Nemoto default 128 if HZ_128 17531723b4a3SAtsushi Nemoto default 250 if HZ_250 17541723b4a3SAtsushi Nemoto default 256 if HZ_256 17551723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17561723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17571723b4a3SAtsushi Nemoto 1758e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17611da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1762875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17631da177e4SLinus Torvalds help 17641da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17651da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17661da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17671da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17681da177e4SLinus Torvalds recommended for normal users. 17691da177e4SLinus Torvalds 1770ea6e942bSAtsushi Nemotoconfig KEXEC 1771ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1772ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1773ea6e942bSAtsushi Nemoto help 1774ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1775ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17763dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1777ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1778ea6e942bSAtsushi Nemoto 1779ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1780ea6e942bSAtsushi Nemoto 1781ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1782ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1783ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1784ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1785ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1786ea6e942bSAtsushi Nemoto 1787ea6e942bSAtsushi Nemotoconfig SECCOMP 1788ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1789293c5bd1SRalf Baechle depends on PROC_FS 1790ea6e942bSAtsushi Nemoto default y 1791ea6e942bSAtsushi Nemoto help 1792ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1793ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1794ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1795ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1796ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1797ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1798ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1799ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1800ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1801ea6e942bSAtsushi Nemoto 1802ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1803ea6e942bSAtsushi Nemoto 18045e83d430SRalf Baechleendmenu 18055e83d430SRalf Baechle 18061da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18071da177e4SLinus Torvalds bool 18081da177e4SLinus Torvalds default y 18091da177e4SLinus Torvalds 18101df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18111df0f0ffSAtsushi Nemoto bool 18121df0f0ffSAtsushi Nemoto default y 18131df0f0ffSAtsushi Nemoto 18141df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18151df0f0ffSAtsushi Nemoto bool 18161df0f0ffSAtsushi Nemoto default y 18171df0f0ffSAtsushi Nemoto 1818b6c3539bSRalf Baechlesource "init/Kconfig" 1819b6c3539bSRalf Baechle 18201da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18211da177e4SLinus Torvalds 18225e83d430SRalf Baechleconfig HW_HAS_EISA 18235e83d430SRalf Baechle bool 18241da177e4SLinus Torvaldsconfig HW_HAS_PCI 18251da177e4SLinus Torvalds bool 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvaldsconfig PCI 18281da177e4SLinus Torvalds bool "Support for PCI controller" 18291da177e4SLinus Torvalds depends on HW_HAS_PCI 1830abb4ae46SRalf Baechle select PCI_DOMAINS 18311da177e4SLinus Torvalds help 18321da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18331da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18341da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18351da177e4SLinus Torvalds say Y, otherwise N. 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvalds The PCI-HOWTO, available from 18381da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18391da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18401da177e4SLinus Torvalds doesn't. 18411da177e4SLinus Torvalds 18421da177e4SLinus Torvaldsconfig PCI_DOMAINS 18431da177e4SLinus Torvalds bool 18441da177e4SLinus Torvalds 18451da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18461da177e4SLinus Torvalds 18471da177e4SLinus Torvalds# 18481da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18491da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18501da177e4SLinus Torvalds# users to choose the right thing ... 18511da177e4SLinus Torvalds# 18521da177e4SLinus Torvaldsconfig ISA 18531da177e4SLinus Torvalds bool 18541da177e4SLinus Torvalds 18551da177e4SLinus Torvaldsconfig EISA 18561da177e4SLinus Torvalds bool "EISA support" 18575e83d430SRalf Baechle depends on HW_HAS_EISA 18581da177e4SLinus Torvalds select ISA 1859aa414dffSRalf Baechle select GENERIC_ISA_DMA 18601da177e4SLinus Torvalds ---help--- 18611da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18621da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18651da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18661da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18671da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18681da177e4SLinus Torvalds 18691da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18701da177e4SLinus Torvalds 18711da177e4SLinus Torvalds Otherwise, say N. 18721da177e4SLinus Torvalds 18731da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18741da177e4SLinus Torvalds 18751da177e4SLinus Torvaldsconfig TC 18761da177e4SLinus Torvalds bool "TURBOchannel support" 18771da177e4SLinus Torvalds depends on MACH_DECSTATION 18781da177e4SLinus Torvalds help 18791da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18801da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18811da177e4SLinus Torvalds is available at: 18821da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvalds#config ACCESSBUS 18851da177e4SLinus Torvalds# bool "Access.Bus support" 18861da177e4SLinus Torvalds# depends on TC 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvaldsconfig MMU 18891da177e4SLinus Torvalds bool 18901da177e4SLinus Torvalds default y 18911da177e4SLinus Torvalds 1892de61b542SRalf Baechleconfig PCSPEAKER 1893e5c6c8e4SMichael Neuling bool 1894e5c6c8e4SMichael Neuling 18951da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 18961da177e4SLinus Torvalds 18971da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 18981da177e4SLinus Torvalds 18991da177e4SLinus Torvaldsendmenu 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvaldsmenu "Executable file formats" 19021da177e4SLinus Torvalds 19031da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19061da177e4SLinus Torvalds bool 19071da177e4SLinus Torvalds 19081da177e4SLinus Torvaldsconfig BINFMT_IRIX 19091da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19105e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19111da177e4SLinus Torvalds 19121da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19131da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1914875d43e7SRalf Baechle depends on 64BIT 19151da177e4SLinus Torvalds help 19161da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19171da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19181da177e4SLinus Torvalds currently 32-bit you should say Y here. 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvaldsconfig COMPAT 19211da177e4SLinus Torvalds bool 19221da177e4SLinus Torvalds depends on MIPS32_COMPAT 19231da177e4SLinus Torvalds default y 19241da177e4SLinus Torvalds 192505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 192605e43966SAtsushi Nemoto bool 192705e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 192805e43966SAtsushi Nemoto default y 192905e43966SAtsushi Nemoto 19301da177e4SLinus Torvaldsconfig MIPS32_O32 19311da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19321da177e4SLinus Torvalds depends on MIPS32_COMPAT 19331da177e4SLinus Torvalds help 19341da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19351da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19361da177e4SLinus Torvalds existing binaries are in this format. 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvalds If unsure, say Y. 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvaldsconfig MIPS32_N32 19411da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19421da177e4SLinus Torvalds depends on MIPS32_COMPAT 19431da177e4SLinus Torvalds help 19441da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19451da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19461da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19471da177e4SLinus Torvalds cases. 19481da177e4SLinus Torvalds 19491da177e4SLinus Torvalds If unsure, say N. 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvaldsconfig BINFMT_ELF32 19521da177e4SLinus Torvalds bool 19531da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19541da177e4SLinus Torvalds 19552116245eSRalf Baechleendmenu 19561da177e4SLinus Torvalds 19572116245eSRalf Baechlemenu "Power management options" 1958952fa954SRodolfo Giometti 19592116245eSRalf Baechlesource "kernel/power/Kconfig" 1960952fa954SRodolfo Giometti 19611da177e4SLinus Torvaldsendmenu 19621da177e4SLinus Torvalds 1963d5950b43SSam Ravnborgsource "net/Kconfig" 1964d5950b43SSam Ravnborg 19651da177e4SLinus Torvaldssource "drivers/Kconfig" 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvaldssource "fs/Kconfig" 19681da177e4SLinus Torvalds 19695e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19705e83d430SRalf Baechle 19711da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19721da177e4SLinus Torvalds 19731da177e4SLinus Torvaldssource "security/Kconfig" 19741da177e4SLinus Torvalds 19751da177e4SLinus Torvaldssource "crypto/Kconfig" 19761da177e4SLinus Torvalds 19771da177e4SLinus Torvaldssource "lib/Kconfig" 1978