11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 6*90b02340SRalf 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 33807119621SRalf Baechle select ISA 339de61b542SRalf Baechle select PCSPEAKER 34007119621SRalf Baechle select SWAP_IO_SPACE 3417cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 34207119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 34307119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 344c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 345b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3469fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 34772ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 34872ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 34907119621SRalf Baechle help 35007119621SRalf Baechle Qemu is a software emulator which among other architectures also 35107119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 35207119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 35307119621SRalf Baechle will eventually be removed again when Qemu has the capability to 35407119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 35507119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 35607119621SRalf Baechle 3571da177e4SLinus Torvaldsconfig SGI_IP22 3583fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3591da177e4SLinus Torvalds select ARC 3601da177e4SLinus Torvalds select ARC32 3611da177e4SLinus Torvalds select BOOT_ELF32 3621da177e4SLinus Torvalds select DMA_NONCOHERENT 3635e83d430SRalf Baechle select HW_HAS_EISA 3641da177e4SLinus Torvalds select IP22_CPU_SCACHE 3651da177e4SLinus Torvalds select IRQ_CPU 366aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3671da177e4SLinus Torvalds select SWAP_IO_SPACE 3687cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3697cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 37036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 371ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 372ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3741da177e4SLinus Torvalds help 3751da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3761da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3771da177e4SLinus Torvalds that runs on these, say Y here. 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvaldsconfig SGI_IP27 3803fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3811da177e4SLinus Torvalds select ARC 3821da177e4SLinus Torvalds select ARC64 3835e83d430SRalf Baechle select BOOT_ELF64 3841da177e4SLinus Torvalds select DMA_IP27 38536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3861da177e4SLinus Torvalds select HW_HAS_PCI 387130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3887cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 389ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3905e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 391cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 392d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3931a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 394e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3951da177e4SLinus Torvalds help 3961da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3971da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3981da177e4SLinus Torvalds here. 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvaldsconfig SGI_IP32 401cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4021da177e4SLinus Torvalds select ARC 4031da177e4SLinus Torvalds select ARC32 4041da177e4SLinus Torvalds select BOOT_ELF32 4051da177e4SLinus Torvalds select DMA_NONCOHERENT 4061da177e4SLinus Torvalds select HW_HAS_PCI 4071da177e4SLinus Torvalds select R5000_CPU_SCACHE 4081da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4097cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4107cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4117cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 412dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 413ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4151da177e4SLinus Torvalds help 4161da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4171da177e4SLinus Torvalds 418ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 419ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4205e83d430SRalf Baechle depends on EXPERIMENTAL 4215e83d430SRalf Baechle select BOOT_ELF32 4225e83d430SRalf Baechle select DMA_COHERENT 4235e83d430SRalf Baechle select SIBYTE_BCM1120 4245e83d430SRalf Baechle select SWAP_IO_SPACE 4257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4285e83d430SRalf Baechle 429ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 430ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4315e83d430SRalf Baechle depends on EXPERIMENTAL 4325e83d430SRalf Baechle select BOOT_ELF32 4335e83d430SRalf Baechle select DMA_COHERENT 4345e83d430SRalf Baechle select SIBYTE_BCM1120 4355e83d430SRalf Baechle select SWAP_IO_SPACE 4367cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4395e83d430SRalf Baechle 4405e83d430SRalf Baechleconfig SIBYTE_CRHONE 4413fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4425e83d430SRalf Baechle depends on EXPERIMENTAL 4435e83d430SRalf Baechle select BOOT_ELF32 4445e83d430SRalf Baechle select DMA_COHERENT 4455e83d430SRalf Baechle select SIBYTE_BCM1125 4465e83d430SRalf Baechle select SWAP_IO_SPACE 4477cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4485e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4495e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4515e83d430SRalf Baechle 452ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 453ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 454ade299d8SYoichi Yuasa depends on EXPERIMENTAL 455ade299d8SYoichi Yuasa select BOOT_ELF32 456ade299d8SYoichi Yuasa select DMA_COHERENT 457ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 458ade299d8SYoichi Yuasa select SWAP_IO_SPACE 459ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 460ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 461ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 462ade299d8SYoichi Yuasa 463ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 464ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 465ade299d8SYoichi Yuasa select BOOT_ELF32 466ade299d8SYoichi Yuasa select DMA_COHERENT 467ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 468ade299d8SYoichi Yuasa select SIBYTE_SB1250 469ade299d8SYoichi Yuasa select SWAP_IO_SPACE 470ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 471ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 475ade299d8SYoichi Yuasa 476ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 477ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 478ade299d8SYoichi Yuasa depends on EXPERIMENTAL 479ade299d8SYoichi Yuasa select BOOT_ELF32 480ade299d8SYoichi Yuasa select DMA_COHERENT 481ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 482ade299d8SYoichi Yuasa select SIBYTE_SB1250 483ade299d8SYoichi Yuasa select SWAP_IO_SPACE 484ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 485ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 488ade299d8SYoichi Yuasa 489ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 490ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 491ade299d8SYoichi Yuasa depends on EXPERIMENTAL 492ade299d8SYoichi Yuasa select BOOT_ELF32 493ade299d8SYoichi Yuasa select DMA_COHERENT 494ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 495ade299d8SYoichi Yuasa select SIBYTE_SB1250 496ade299d8SYoichi Yuasa select SWAP_IO_SPACE 497ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 498ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 500ade299d8SYoichi Yuasa 501ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 502ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 503ade299d8SYoichi Yuasa depends on EXPERIMENTAL 504ade299d8SYoichi Yuasa select BOOT_ELF32 505ade299d8SYoichi Yuasa select DMA_COHERENT 506ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 507ade299d8SYoichi Yuasa select SIBYTE_SB1250 508ade299d8SYoichi Yuasa select SWAP_IO_SPACE 509ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 513ade299d8SYoichi Yuasa 514ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 515ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 516ade299d8SYoichi Yuasa select BOOT_ELF32 517ade299d8SYoichi Yuasa select DMA_COHERENT 518ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 519ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 520ade299d8SYoichi Yuasa select SWAP_IO_SPACE 521ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 522ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 524ade299d8SYoichi Yuasa 52514b36af4SThomas Bogendoerferconfig SNI_RM 52614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5274a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5284a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5295e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5305e83d430SRalf Baechle select BOOT_ELF32 5315e83d430SRalf Baechle select DMA_NONCOHERENT 5325e83d430SRalf Baechle select GENERIC_ISA_DMA 5335e83d430SRalf Baechle select HW_HAS_EISA 5345e83d430SRalf Baechle select HW_HAS_PCI 535c066a32aSThomas Bogendoerfer select IRQ_CPU 5365e83d430SRalf Baechle select I8259 5375e83d430SRalf Baechle select ISA 538de61b542SRalf Baechle select PCSPEAKER 5394a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5407cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5414a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 542c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5434a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 545ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5465e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5474a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5485e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5495e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5501da177e4SLinus Torvalds help 55114b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55214b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5535e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5545e83d430SRalf Baechle support this machine type. 5551da177e4SLinus Torvalds 5565e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5573fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5585e83d430SRalf Baechle select DMA_NONCOHERENT 5595e83d430SRalf Baechle select HW_HAS_PCI 5605e83d430SRalf Baechle select MIPS_TX3927 561c87abd75SAtsushi Nemoto select IRQ_TXX9 5625e83d430SRalf Baechle select SWAP_IO_SPACE 5637cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5645e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5656a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5672127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5685e83d430SRalf Baechle 5695e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 57008a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5715e83d430SRalf Baechle select DMA_NONCOHERENT 5725e83d430SRalf Baechle select HAS_TXX9_SERIAL 5735e83d430SRalf Baechle select HW_HAS_PCI 574c87abd75SAtsushi Nemoto select IRQ_CPU 575c87abd75SAtsushi Nemoto select IRQ_TXX9 576c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5775e83d430SRalf Baechle select SWAP_IO_SPACE 5787cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5795e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5805e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5816a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5825e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 583cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5849fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5855e83d430SRalf Baechle help 5865e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5875e83d430SRalf Baechle support this machine type 5881da177e4SLinus Torvalds 58923fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5903fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59123fbee9dSRalf Baechle select DMA_NONCOHERENT 59223fbee9dSRalf Baechle select HAS_TXX9_SERIAL 59323fbee9dSRalf Baechle select HW_HAS_PCI 594c87abd75SAtsushi Nemoto select IRQ_CPU 595c87abd75SAtsushi Nemoto select IRQ_TXX9 59623fbee9dSRalf Baechle select SWAP_IO_SPACE 5977cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 59823fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 59923fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 60023fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 601cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6029fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6033896b054SAtsushi Nemoto select GENERIC_GPIO 60423fbee9dSRalf Baechle help 60523fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 60623fbee9dSRalf Baechle support this machine type 60723fbee9dSRalf Baechle 608ade299d8SYoichi Yuasaconfig WR_PPMC 609ade299d8SYoichi Yuasa bool "Wind River PPMC board" 610ade299d8SYoichi Yuasa select IRQ_CPU 611ade299d8SYoichi Yuasa select BOOT_ELF32 612ade299d8SYoichi Yuasa select DMA_NONCOHERENT 613ade299d8SYoichi Yuasa select HW_HAS_PCI 614ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 615ade299d8SYoichi Yuasa select SWAP_IO_SPACE 616ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 617ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 618ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 619ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 620ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 621ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 622ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 623ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 624ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 625ade299d8SYoichi Yuasa help 626ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 627ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 628ade299d8SYoichi Yuasa 6291da177e4SLinus Torvaldsendchoice 6301da177e4SLinus Torvalds 631c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6325e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6331f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6345e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 63529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 63638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6375e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 63823fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6395e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 64038b18f72SRalf Baechle 6415e83d430SRalf Baechleendmenu 6425e83d430SRalf Baechle 6431da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6441da177e4SLinus Torvalds bool 6451da177e4SLinus Torvalds default y 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6481da177e4SLinus Torvalds bool 6491da177e4SLinus Torvalds 650f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 651f0d1b0b3SDavid Howells bool 652f0d1b0b3SDavid Howells default n 653f0d1b0b3SDavid Howells 654f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 655f0d1b0b3SDavid Howells bool 656f0d1b0b3SDavid Howells default n 657f0d1b0b3SDavid Howells 6583c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6593c9ee7efSAkinobu Mita bool 6603c9ee7efSAkinobu Mita default y 6613c9ee7efSAkinobu Mita 6623c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6633c9ee7efSAkinobu Mita bool 6643c9ee7efSAkinobu Mita default y 6653c9ee7efSAkinobu Mita 6661da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6671da177e4SLinus Torvalds bool 6681da177e4SLinus Torvalds default y 6691da177e4SLinus Torvalds 6708db02010SRalf Baechleconfig GENERIC_TIME 6718db02010SRalf Baechle bool 6728db02010SRalf Baechle default y 6738db02010SRalf Baechle 674f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 675f5ff0a28SRalf Baechle bool 676f5ff0a28SRalf Baechle default y 677f5ff0a28SRalf Baechle 6781cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6791cc89038SAtsushi Nemoto bool 6801cc89038SAtsushi Nemoto default y 6811cc89038SAtsushi Nemoto 682e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 683e77c232cSFranck Bui-Huu bool 684e77c232cSFranck Bui-Huu default n 685e77c232cSFranck Bui-Huu 6861da177e4SLinus Torvalds# 6871da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6881da177e4SLinus Torvalds# 6891da177e4SLinus Torvaldsconfig ARC 6901da177e4SLinus Torvalds bool 6911da177e4SLinus Torvalds 69261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 69361ed242dSRalf Baechle bool 69461ed242dSRalf Baechle 6959267a30dSMarc St-Jeanconfig BOOT_RAW 6969267a30dSMarc St-Jean bool 6979267a30dSMarc St-Jean 698df78b5c8SAurelien Jarnoconfig CFE 699df78b5c8SAurelien Jarno bool 700df78b5c8SAurelien Jarno 7011da177e4SLinus Torvaldsconfig DMA_COHERENT 7021da177e4SLinus Torvalds bool 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvaldsconfig DMA_IP27 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds 7074ce588cdSRalf Baechleconfig DMA_IP32 7084ce588cdSRalf Baechle bool 7094ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7104ce588cdSRalf Baechle 7111da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7121da177e4SLinus Torvalds bool 7134ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7144ce588cdSRalf Baechle 7154ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7164ce588cdSRalf Baechle bool 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvaldsconfig EARLY_PRINTK 71936a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 72036a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 72136a88530SRalf Baechle default y 72236a88530SRalf Baechle help 72336a88530SRalf Baechle This option enables special console drivers which allow the kernel 72436a88530SRalf Baechle to print messages very early in the bootup process. 72536a88530SRalf Baechle 72636a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 727490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 728490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 729490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 73036a88530SRalf Baechle unless you want to debug such a crash. 73136a88530SRalf Baechle 73236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7331da177e4SLinus Torvalds bool 7341da177e4SLinus Torvalds 735dbb74540SRalf Baechleconfig HOTPLUG_CPU 736dbb74540SRalf Baechle bool 737dbb74540SRalf Baechle default n 738dbb74540SRalf Baechle 7391da177e4SLinus Torvaldsconfig I8259 7401da177e4SLinus Torvalds bool 7411da177e4SLinus Torvalds 7421da177e4SLinus Torvaldsconfig MIPS_BONITO64 7431da177e4SLinus Torvalds bool 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvaldsconfig MIPS_MSC 7461da177e4SLinus Torvalds bool 7471da177e4SLinus Torvalds 7481f21d2bdSBrian Murphyconfig MIPS_NILE4 7491f21d2bdSBrian Murphy bool 7501f21d2bdSBrian Murphy 7511da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7521da177e4SLinus Torvalds bool 7531da177e4SLinus Torvalds 754d388d685SMaciej W. Rozyckiconfig NO_IOPORT 755d388d685SMaciej W. Rozycki def_bool n 756d388d685SMaciej W. Rozycki 7578313da30SRalf Baechleconfig GENERIC_ISA_DMA 7588313da30SRalf Baechle bool 7598313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7608313da30SRalf Baechle 761aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 762aa414dffSRalf Baechle bool 7638313da30SRalf Baechle select GENERIC_ISA_DMA 764aa414dffSRalf Baechle 76509663335SYoichi Yuasaconfig GENERIC_GPIO 76609663335SYoichi Yuasa bool 76709663335SYoichi Yuasa 7685e83d430SRalf Baechle# 7693cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7705e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7715e83d430SRalf Baechle# choice statement should be more obvious to the user. 7725e83d430SRalf Baechle# 7735e83d430SRalf Baechlechoice 7745e83d430SRalf Baechle prompt "Endianess selection" 7751da177e4SLinus Torvalds help 7761da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7775e83d430SRalf Baechle byte order. These modes require different kernels and a different 7783cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7795e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7803dde6ad8SDavid Sterba one or the other endianness. 7815e83d430SRalf Baechle 7825e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7835e83d430SRalf Baechle bool "Big endian" 7845e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7855e83d430SRalf Baechle 7865e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7875e83d430SRalf Baechle bool "Little endian" 7885e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7895e83d430SRalf Baechle help 7905e83d430SRalf Baechle 7915e83d430SRalf Baechleendchoice 7925e83d430SRalf Baechle 7932116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7942116245eSRalf Baechle bool 7952116245eSRalf Baechle 7965e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 7975e83d430SRalf Baechle bool 7985e83d430SRalf Baechle 7995e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8005e83d430SRalf Baechle bool 8011da177e4SLinus Torvalds 8021da177e4SLinus Torvaldsconfig IRQ_CPU 8031da177e4SLinus Torvalds bool 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8061da177e4SLinus Torvalds bool 8071da177e4SLinus Torvalds 8085e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8095e83d430SRalf Baechle bool 8105e83d430SRalf Baechle 8119267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8129267a30dSMarc St-Jean bool 8139267a30dSMarc St-Jean 8149267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8159267a30dSMarc St-Jean bool 8169267a30dSMarc St-Jean 8178420fd00SAtsushi Nemotoconfig IRQ_TXX9 8188420fd00SAtsushi Nemoto bool 8198420fd00SAtsushi Nemoto 820d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 821d5ab1a69SYoichi Yuasa bool 822d5ab1a69SYoichi Yuasa 8231da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8241da177e4SLinus Torvalds bool 8251da177e4SLinus Torvalds 826252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8271da177e4SLinus Torvalds bool 8281da177e4SLinus Torvalds 8299267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8309267a30dSMarc St-Jean bool 8319267a30dSMarc St-Jean 8321da177e4SLinus Torvaldsconfig MIPS_TX3927 8331da177e4SLinus Torvalds bool 8341da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8351da177e4SLinus Torvalds 836663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 837663c3d90Sthomas@koeller.dyndns.org bool 838663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 839663c3d90Sthomas@koeller.dyndns.org 840bdf21b18SPete Popovconfig PNX8550 841bdf21b18SPete Popov bool 842bdf21b18SPete Popov select SOC_PNX8550 843bdf21b18SPete Popov 844bdf21b18SPete Popovconfig SOC_PNX8550 845bdf21b18SPete Popov bool 846bdf21b18SPete Popov select DMA_NONCOHERENT 847bdf21b18SPete Popov select HW_HAS_PCI 848b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 84936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8507cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 851e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 852cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8534ead1681SFlorian Fainelli select GENERIC_GPIO 854bdf21b18SPete Popov 8551da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8561da177e4SLinus Torvalds bool 8571da177e4SLinus Torvalds 858355c471fSdmitry pervushinconfig EMMA2RH 859355c471fSdmitry pervushin bool 860355c471fSdmitry pervushin depends on MARKEINS 861355c471fSdmitry pervushin default y 862355c471fSdmitry pervushin 863663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 864663c3d90Sthomas@koeller.dyndns.org bool 865663c3d90Sthomas@koeller.dyndns.org 8665e83d430SRalf Baechleconfig ARC32 8675e83d430SRalf Baechle bool 8685e83d430SRalf Baechle 8691da177e4SLinus Torvaldsconfig BOOT_ELF32 8701da177e4SLinus Torvalds bool 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 8731da177e4SLinus Torvalds int 87406cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 87506cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 8769267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 8771da177e4SLinus Torvalds default "5" 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 8801da177e4SLinus Torvalds bool 8811da177e4SLinus Torvalds 8821da177e4SLinus Torvaldsconfig ARC_CONSOLE 8831da177e4SLinus Torvalds bool "ARC console support" 88436a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvaldsconfig ARC_MEMORY 8871da177e4SLinus Torvalds bool 88814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 8891da177e4SLinus Torvalds default y 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvaldsconfig ARC_PROMLIB 8921da177e4SLinus Torvalds bool 89314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 8941da177e4SLinus Torvalds default y 8951da177e4SLinus Torvalds 8961da177e4SLinus Torvaldsconfig ARC64 8971da177e4SLinus Torvalds bool 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvaldsconfig BOOT_ELF64 9001da177e4SLinus Torvalds bool 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvaldsmenu "CPU selection" 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvaldschoice 9051da177e4SLinus Torvalds prompt "CPU type" 9061da177e4SLinus Torvalds default CPU_R4X00 9071da177e4SLinus Torvalds 9082a21c730SFuxin Zhangconfig CPU_LOONGSON2 9092a21c730SFuxin Zhang bool "Loongson 2" 9102a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9112a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9122a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9132a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9142a21c730SFuxin Zhang help 9152a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9162a21c730SFuxin Zhang with many extensions. 9172a21c730SFuxin Zhang 9186e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9196e760c8dSRalf Baechle bool "MIPS32 Release 1" 9207cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 921f7062ddbSRalf Baechle select CPU_HAS_LLSC 9226e760c8dSRalf Baechle select CPU_HAS_PREFETCH 923797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 924ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9256e760c8dSRalf Baechle help 9265e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9271e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9281e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9291e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9301e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9311e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9321e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9331e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9341e5f1caaSRalf Baechle performance. 9351e5f1caaSRalf Baechle 9361e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9371e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 939f7062ddbSRalf Baechle select CPU_HAS_LLSC 9401e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 941797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 942ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9431e5f1caaSRalf Baechle help 9445e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9456e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9466e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9476e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9486e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9491da177e4SLinus Torvalds 9506e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9516e760c8dSRalf Baechle bool "MIPS64 Release 1" 9527cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 953f7062ddbSRalf Baechle select CPU_HAS_LLSC 954797798c1SRalf Baechle select CPU_HAS_PREFETCH 955ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 956ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 957ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9586e760c8dSRalf Baechle help 9596e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9606e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9616e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9626e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9636e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9641e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9651e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9661e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9671e5f1caaSRalf Baechle performance. 9681e5f1caaSRalf Baechle 9691e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9701e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9717cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 972f7062ddbSRalf Baechle select CPU_HAS_LLSC 973797798c1SRalf Baechle select CPU_HAS_PREFETCH 9741e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9751e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 976ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9771e5f1caaSRalf Baechle help 9781e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9791e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9801e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9811e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9821e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvaldsconfig CPU_R3000 9851da177e4SLinus Torvalds bool "R3000" 9867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 987f7062ddbSRalf Baechle select CPU_HAS_WB 988ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 989797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9901da177e4SLinus Torvalds help 9911da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 9921da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 9931da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 9941da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 9951da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 9961da177e4SLinus Torvalds try to recompile with R3000. 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig CPU_TX39XX 9991da177e4SLinus Torvalds bool "R39XX" 10007cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1001ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvaldsconfig CPU_VR41XX 10041da177e4SLinus Torvalds bool "R41xx" 10057cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1006ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1007ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10081da177e4SLinus Torvalds help 10095e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10101da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10111da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10121da177e4SLinus Torvalds processor or vice versa. 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig CPU_R4300 10151da177e4SLinus Torvalds bool "R4300" 10167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1017f7062ddbSRalf Baechle select CPU_HAS_LLSC 1018ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1019ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10201da177e4SLinus Torvalds help 10211da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig CPU_R4X00 10241da177e4SLinus Torvalds bool "R4x00" 10257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1026f7062ddbSRalf Baechle select CPU_HAS_LLSC 1027ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1028ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10291da177e4SLinus Torvalds help 10301da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10311da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvaldsconfig CPU_TX49XX 10341da177e4SLinus Torvalds bool "R49XX" 10357cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1036f7062ddbSRalf Baechle select CPU_HAS_LLSC 1037de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1038ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1039ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvaldsconfig CPU_R5000 10421da177e4SLinus Torvalds bool "R5000" 10437cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1044f7062ddbSRalf Baechle select CPU_HAS_LLSC 1045ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1046ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10471da177e4SLinus Torvalds help 10481da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10491da177e4SLinus Torvalds 10501da177e4SLinus Torvaldsconfig CPU_R5432 10511da177e4SLinus Torvalds bool "R5432" 10527cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1053f7062ddbSRalf Baechle select CPU_HAS_LLSC 10545e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10555e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10561da177e4SLinus Torvalds 10571da177e4SLinus Torvaldsconfig CPU_R6000 10581da177e4SLinus Torvalds bool "R6000" 1059ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1060f7062ddbSRalf Baechle select CPU_HAS_LLSC 10617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1062ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10631da177e4SLinus Torvalds help 10641da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1065c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10661da177e4SLinus Torvalds 10671da177e4SLinus Torvaldsconfig CPU_NEVADA 10681da177e4SLinus Torvalds bool "RM52xx" 10697cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1070f7062ddbSRalf Baechle select CPU_HAS_LLSC 1071ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1072ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10731da177e4SLinus Torvalds help 10741da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10751da177e4SLinus Torvalds 10761da177e4SLinus Torvaldsconfig CPU_R8000 10771da177e4SLinus Torvalds bool "R8000" 1078ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10797cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1080f7062ddbSRalf Baechle select CPU_HAS_LLSC 10815e83d430SRalf Baechle select CPU_HAS_PREFETCH 1082ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10831da177e4SLinus Torvalds help 10841da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10851da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10861da177e4SLinus Torvalds 10871da177e4SLinus Torvaldsconfig CPU_R10000 10881da177e4SLinus Torvalds bool "R10000" 10897cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1090f7062ddbSRalf Baechle select CPU_HAS_LLSC 10915e83d430SRalf Baechle select CPU_HAS_PREFETCH 1092ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1093ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1094797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10951da177e4SLinus Torvalds help 10961da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 10971da177e4SLinus Torvalds 10981da177e4SLinus Torvaldsconfig CPU_RM7000 10991da177e4SLinus Torvalds bool "RM7000" 11007cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1101f7062ddbSRalf Baechle select CPU_HAS_LLSC 11025e83d430SRalf Baechle select CPU_HAS_PREFETCH 1103ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1104ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1105797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvaldsconfig CPU_RM9000 11081da177e4SLinus Torvalds bool "RM9000" 11097cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1110f7062ddbSRalf Baechle select CPU_HAS_LLSC 11115e83d430SRalf Baechle select CPU_HAS_PREFETCH 1112ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1113ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1114797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11150004a9dfSRalf Baechle select WEAK_ORDERING 11161da177e4SLinus Torvalds 11171da177e4SLinus Torvaldsconfig CPU_SB1 11181da177e4SLinus Torvalds bool "SB1" 11197cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1120f7062ddbSRalf Baechle select CPU_HAS_LLSC 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1122ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1123797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11240004a9dfSRalf Baechle select WEAK_ORDERING 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsendchoice 11271da177e4SLinus Torvalds 11282a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11292a21c730SFuxin Zhang bool 11302a21c730SFuxin Zhang 11317cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11327cf8053bSRalf Baechle bool 11337cf8053bSRalf Baechle 11347cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11357cf8053bSRalf Baechle bool 11367cf8053bSRalf Baechle 11377cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11387cf8053bSRalf Baechle bool 11397cf8053bSRalf Baechle 11407cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11417cf8053bSRalf Baechle bool 11427cf8053bSRalf Baechle 11437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11447cf8053bSRalf Baechle bool 11457cf8053bSRalf Baechle 11467cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11477cf8053bSRalf Baechle bool 11487cf8053bSRalf Baechle 11497cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11507cf8053bSRalf Baechle bool 11517cf8053bSRalf Baechle 11527cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11537cf8053bSRalf Baechle bool 11547cf8053bSRalf Baechle 11557cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11567cf8053bSRalf Baechle bool 11577cf8053bSRalf Baechle 11587cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11597cf8053bSRalf Baechle bool 11607cf8053bSRalf Baechle 11617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11627cf8053bSRalf Baechle bool 11637cf8053bSRalf Baechle 11647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11657cf8053bSRalf Baechle bool 11667cf8053bSRalf Baechle 11677cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11687cf8053bSRalf Baechle bool 11697cf8053bSRalf Baechle 11707cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11717cf8053bSRalf Baechle bool 11727cf8053bSRalf Baechle 11737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11747cf8053bSRalf Baechle bool 11757cf8053bSRalf Baechle 11767cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11777cf8053bSRalf Baechle bool 11787cf8053bSRalf Baechle 11797cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11807cf8053bSRalf Baechle bool 11817cf8053bSRalf Baechle 11827cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11837cf8053bSRalf Baechle bool 11847cf8053bSRalf Baechle 11857cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11867cf8053bSRalf Baechle bool 11877cf8053bSRalf Baechle 118817099b11SRalf Baechle# 118917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 119017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 119117099b11SRalf Baechle# 11920004a9dfSRalf Baechleconfig WEAK_ORDERING 11930004a9dfSRalf Baechle bool 119417099b11SRalf Baechle 119517099b11SRalf Baechle# 119617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 119717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 119817099b11SRalf Baechle# 119917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 120017099b11SRalf Baechle bool 12015e83d430SRalf Baechleendmenu 12025e83d430SRalf Baechle 12035e83d430SRalf Baechle# 12045e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12055e83d430SRalf Baechle# 12065e83d430SRalf Baechleconfig CPU_MIPS32 12075e83d430SRalf Baechle bool 12085e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12095e83d430SRalf Baechle 12105e83d430SRalf Baechleconfig CPU_MIPS64 12115e83d430SRalf Baechle bool 12125e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12135e83d430SRalf Baechle 12145e83d430SRalf Baechle# 1215c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12165e83d430SRalf Baechle# 12175e83d430SRalf Baechleconfig CPU_MIPSR1 12185e83d430SRalf Baechle bool 12195e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12205e83d430SRalf Baechle 12215e83d430SRalf Baechleconfig CPU_MIPSR2 12225e83d430SRalf Baechle bool 12235e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12245e83d430SRalf Baechle 12255e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12265e83d430SRalf Baechle bool 12275e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12285e83d430SRalf Baechle bool 12295e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12305e83d430SRalf Baechle bool 12315e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12325e83d430SRalf Baechle bool 12335e83d430SRalf Baechle 12345e83d430SRalf Baechlemenu "Kernel type" 12355e83d430SRalf Baechle 12365e83d430SRalf Baechlechoice 12375e83d430SRalf Baechle 12385e83d430SRalf Baechle prompt "Kernel code model" 12395e83d430SRalf Baechle help 12405e83d430SRalf Baechle You should only select this option if you have a workload that 12415e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12425e83d430SRalf Baechle large memory. You will only be presented a single option in this 12435e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12445e83d430SRalf Baechle 12455e83d430SRalf Baechleconfig 32BIT 12465e83d430SRalf Baechle bool "32-bit kernel" 12475e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12485e83d430SRalf Baechle select TRAD_SIGNALS 12495e83d430SRalf Baechle help 12505e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12515e83d430SRalf Baechleconfig 64BIT 12525e83d430SRalf Baechle bool "64-bit kernel" 12535e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12545e83d430SRalf Baechle help 12555e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12565e83d430SRalf Baechle 12575e83d430SRalf Baechleendchoice 12585e83d430SRalf Baechle 12591da177e4SLinus Torvaldschoice 12601da177e4SLinus Torvalds prompt "Kernel page size" 12611da177e4SLinus Torvalds default PAGE_SIZE_4KB 12621da177e4SLinus Torvalds 12631da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12641da177e4SLinus Torvalds bool "4kB" 12651da177e4SLinus Torvalds help 12661da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12671da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12681da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12691da177e4SLinus Torvalds recommended for low memory systems. 12701da177e4SLinus Torvalds 12711da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12721da177e4SLinus Torvalds bool "8kB" 12731da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12741da177e4SLinus Torvalds help 12751da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12761da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12771da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12781da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12791da177e4SLinus Torvalds compatibility of user applications. 12801da177e4SLinus Torvalds 12811da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12821da177e4SLinus Torvalds bool "16kB" 1283714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12841da177e4SLinus Torvalds help 12851da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12861da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1287714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1288714bfad6SRalf Baechle Linux distribution to support this. 12891da177e4SLinus Torvalds 12901da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 12911da177e4SLinus Torvalds bool "64kB" 12921da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 12931da177e4SLinus Torvalds help 12941da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 12951da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 12961da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1297714bfad6SRalf Baechle writing this option is still high experimental. 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvaldsendchoice 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvaldsconfig BOARD_SCACHE 13021da177e4SLinus Torvalds bool 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13051da177e4SLinus Torvalds bool 13061da177e4SLinus Torvalds select BOARD_SCACHE 13071da177e4SLinus Torvalds 13089318c51aSChris Dearman# 13099318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13109318c51aSChris Dearman# 13119318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13129318c51aSChris Dearman bool 13139318c51aSChris Dearman select BOARD_SCACHE 13149318c51aSChris Dearman 13151da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13161da177e4SLinus Torvalds bool 13171da177e4SLinus Torvalds select BOARD_SCACHE 13181da177e4SLinus Torvalds 13191da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13201da177e4SLinus Torvalds bool 13211da177e4SLinus Torvalds select BOARD_SCACHE 13221da177e4SLinus Torvalds 13231da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13241da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13251da177e4SLinus Torvalds depends on CPU_SB1 13261da177e4SLinus Torvalds help 13271da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13281da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13291da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1332c8094b53SRalf Baechle bool 13331da177e4SLinus Torvalds 1334340ee4b9SRalf Baechlechoice 1335340ee4b9SRalf Baechle prompt "MIPS MT options" 1336f41ae0b2SRalf Baechle 1337f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1338f41ae0b2SRalf Baechle bool "Disable multithreading support." 1339f41ae0b2SRalf Baechle help 1340f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1341f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1342f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1343f41ae0b2SRalf Baechle option in this menu. 1344340ee4b9SRalf Baechle 134559d6ab86SRalf Baechleconfig MIPS_MT_SMP 134659d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 134759d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 134859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1349d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 135059d6ab86SRalf Baechle select CPU_MIPSR2_SRS 135159d6ab86SRalf Baechle select MIPS_MT 1352f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 135359d6ab86SRalf Baechle select SMP 135459d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 135559d6ab86SRalf Baechle help 135659d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 135759d6ab86SRalf Baechle has been marketesed into SMVP. 135859d6ab86SRalf Baechle 135941c594abSRalf Baechleconfig MIPS_MT_SMTC 136041c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1361f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1362f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1363f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1364f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1365d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1366f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1367f41ae0b2SRalf Baechle select MIPS_MT 1368130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 136941c594abSRalf Baechle select SMP 137073b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1371f41ae0b2SRalf Baechle help 1372f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1373f41ae0b2SRalf Baechle marketesed into SMVP. 137441c594abSRalf Baechle 1375340ee4b9SRalf Baechleendchoice 1376340ee4b9SRalf Baechle 1377f41ae0b2SRalf Baechleconfig MIPS_MT 1378f41ae0b2SRalf Baechle bool 1379f41ae0b2SRalf Baechle 1380f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1381f41ae0b2SRalf Baechle bool 1382f41ae0b2SRalf Baechle 1383f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1384f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1385f088fc84SRalf Baechle default y 138607cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 138707cc0c9eSRalf Baechle 138807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 138907cc0c9eSRalf Baechle bool "VPE loader support." 139007cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 139107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 139207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 139307cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 139407cc0c9eSRalf Baechle select MIPS_MT 139507cc0c9eSRalf Baechle help 139607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 139707cc0c9eSRalf Baechle onto another VPE and running it. 1398f088fc84SRalf Baechle 1399ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1400ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1401619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1402ac8be955SRalf Baechle default y 1403ac8be955SRalf Baechle help 1404ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1405ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1406ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1407ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1408ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1409ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1410ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1411ac8be955SRalf Baechle heavy I/O interrupt load. 1412ac8be955SRalf Baechle 14130db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14140db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14150db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14160db34215SKevin D. Kissell default y 14170db34215SKevin D. Kissell help 14180db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14190db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14200db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14210db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14220db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14230db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14240db34215SKevin D. Kissell what you are doing. 14250db34215SKevin D. Kissell 1426f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1427f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1428f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1429f571eff0SKevin D. Kissell default n 1430f571eff0SKevin D. Kissell help 1431f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1432f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1433f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1434f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1435f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1436f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1437f571eff0SKevin D. Kissell you are doing. 1438f571eff0SKevin D. Kissell 1439e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1440e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1441e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1442e01402b1SRalf Baechle default y 1443e01402b1SRalf Baechle help 1444e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1445e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1446e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1447e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1448e01402b1SRalf Baechle 1449e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1450e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1451e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1452e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14535e83d430SRalf Baechle help 1454e01402b1SRalf Baechle 14552600990eSRalf Baechleconfig MIPS_APSP_KSPD 14562600990eSRalf Baechle bool "Enable KSPD" 14572600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14582600990eSRalf Baechle default y 14592600990eSRalf Baechle help 14602600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14612600990eSRalf Baechle side, actions them and returns the results. It also handles the 14622600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14632600990eSRalf Baechle exiting. You probably want to say yes here. 14642600990eSRalf Baechle 14651da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14661da177e4SLinus Torvalds bool 14671da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14681da177e4SLinus Torvalds default y 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14711da177e4SLinus Torvalds bool 14721da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14731da177e4SLinus Torvalds default y 14741da177e4SLinus Torvalds 14751da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14761da177e4SLinus Torvalds bool 14771da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14781da177e4SLinus Torvalds default y 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1481d806cb2bSRalf Baechle bool 14821da177e4SLinus Torvalds 14831da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1484f7062ddbSRalf Baechle bool 14851da177e4SLinus Torvalds 14869693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 14879693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 14889693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 14899693a853SFranck Bui-Huu help 14909693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 14919693a853SFranck Bui-Huu increased security at both hardware and software level for 14929693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 14939693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 14949693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 14959693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 14969693a853SFranck Bui-Huu here. 14979693a853SFranck Bui-Huu 14981da177e4SLinus Torvaldsconfig CPU_HAS_WB 1499f7062ddbSRalf Baechle bool 1500e01402b1SRalf Baechle 15012a21c730SFuxin Zhangconfig 64BIT_CONTEXT 15022a21c730SFuxin Zhang bool "Save 64bit integer registers" 15032a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 15042a21c730SFuxin Zhang help 15052a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15062a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15072a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15082a21c730SFuxin Zhang those instructions to get correct result. 15092a21c730SFuxin Zhang 1510f41ae0b2SRalf Baechle# 1511f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1512f41ae0b2SRalf Baechle# 1513e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1514f41ae0b2SRalf Baechle bool 1515e01402b1SRalf Baechle 1516f41ae0b2SRalf Baechle# 1517f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1518f41ae0b2SRalf Baechle# 1519e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1520f41ae0b2SRalf Baechle bool 1521e01402b1SRalf Baechle 1522f41ae0b2SRalf Baechle# 1523f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1524f41ae0b2SRalf Baechle# 1525e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1526f41ae0b2SRalf Baechle bool 1527e01402b1SRalf Baechle 15281da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15291da177e4SLinus Torvalds bool 15301da177e4SLinus Torvalds depends on !CPU_R3000 15311da177e4SLinus Torvalds default y 15321da177e4SLinus Torvalds 15331da177e4SLinus Torvalds# 1534797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1535797798c1SRalf Baechle# 1536797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1537797798c1SRalf Baechle bool 1538797798c1SRalf Baechle default y 1539797798c1SRalf Baechle 1540797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1541797798c1SRalf Baechle bool 1542797798c1SRalf Baechle default y 1543797798c1SRalf Baechle 15440d7012a9SIngo Molnarconfig IRQ_PER_CPU 15450d7012a9SIngo Molnar bool 15460d7012a9SIngo Molnar 1547797798c1SRalf Baechle# 15481da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15491da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15501da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15511da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15521da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15531da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15541da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15551da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1556797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1557797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1558797798c1SRalf Baechle# support. 15591da177e4SLinus Torvalds# 15601da177e4SLinus Torvaldsconfig HIGHMEM 15611da177e4SLinus Torvalds bool "High Memory Support" 1562797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1563797798c1SRalf Baechle 1564797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1565797798c1SRalf Baechle bool 1566797798c1SRalf Baechle 1567797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1568797798c1SRalf Baechle bool 15691da177e4SLinus Torvalds 15709693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15719693a853SFranck Bui-Huu bool 15729693a853SFranck Bui-Huu 1573b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1574b4819b59SYoichi Yuasa def_bool y 1575b4819b59SYoichi Yuasa depends on !NUMA 1576b4819b59SYoichi Yuasa 1577d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1578d8cb4e11SRalf Baechle bool 1579d8cb4e11SRalf Baechle default y if SGI_IP27 1580d8cb4e11SRalf Baechle help 15813dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1582d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1583d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1584d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1585d8cb4e11SRalf Baechle 1586b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1587b1c6cd42SAtsushi Nemoto bool 15887de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 158931473747SAtsushi Nemoto 1590d8cb4e11SRalf Baechleconfig NUMA 1591d8cb4e11SRalf Baechle bool "NUMA Support" 1592d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1593d8cb4e11SRalf Baechle help 1594d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1595d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1596d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1597d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1598d8cb4e11SRalf Baechle disabled. 1599d8cb4e11SRalf Baechle 1600d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1601d8cb4e11SRalf Baechle bool 1602d8cb4e11SRalf Baechle 1603c80d79d7SYasunori Gotoconfig NODES_SHIFT 1604c80d79d7SYasunori Goto int 1605c80d79d7SYasunori Goto default "6" 1606c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1607c80d79d7SYasunori Goto 1608b4819b59SYoichi Yuasasource "mm/Kconfig" 1609b4819b59SYoichi Yuasa 16101da177e4SLinus Torvaldsconfig SMP 16111da177e4SLinus Torvalds bool "Multi-Processing support" 1612e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1613b4b30a5aSRalf Baechle select IRQ_PER_CPU 1614e73ea273SRalf Baechle help 16151da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16161da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16171da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16181da177e4SLinus Torvalds 16191da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16201da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16211da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16221da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16231da177e4SLinus Torvalds will run faster if you say N here. 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16261da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16291da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvalds If you don't know what to do here, say N. 16321da177e4SLinus Torvalds 1633e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1634e73ea273SRalf Baechle bool 1635e73ea273SRalf Baechle 163672ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 163772ede9b1SAtsushi Nemoto bool 163872ede9b1SAtsushi Nemoto 1639130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1640130e2fb7SRalf Baechle bool 1641130e2fb7SRalf Baechle 1642130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1643130e2fb7SRalf Baechle bool 1644130e2fb7SRalf Baechle 1645130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1646130e2fb7SRalf Baechle bool 1647130e2fb7SRalf Baechle 1648130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1649130e2fb7SRalf Baechle bool 1650130e2fb7SRalf Baechle 1651130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1652130e2fb7SRalf Baechle bool 1653130e2fb7SRalf Baechle 1654130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1655130e2fb7SRalf Baechle bool 1656130e2fb7SRalf Baechle 16571da177e4SLinus Torvaldsconfig NR_CPUS 16581da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 165972ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16601da177e4SLinus Torvalds depends on SMP 166172ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1662130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1663130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1664130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1665130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1666130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1667130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16681da177e4SLinus Torvalds help 16691da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16701da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16711da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 167272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 167372ede9b1SAtsushi Nemoto and 2 for all others. 16741da177e4SLinus Torvalds 16751da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 167672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 167772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 167872ede9b1SAtsushi Nemoto power of two. 16791da177e4SLinus Torvalds 16801723b4a3SAtsushi Nemoto# 16811723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16821723b4a3SAtsushi Nemoto# 16831723b4a3SAtsushi Nemoto 16841723b4a3SAtsushi Nemotochoice 16851723b4a3SAtsushi Nemoto prompt "Timer frequency" 16861723b4a3SAtsushi Nemoto default HZ_250 16871723b4a3SAtsushi Nemoto help 16881723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 16891723b4a3SAtsushi Nemoto 16901723b4a3SAtsushi Nemoto config HZ_48 16911723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 16921723b4a3SAtsushi Nemoto 16931723b4a3SAtsushi Nemoto config HZ_100 16941723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 16951723b4a3SAtsushi Nemoto 16961723b4a3SAtsushi Nemoto config HZ_128 16971723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 16981723b4a3SAtsushi Nemoto 16991723b4a3SAtsushi Nemoto config HZ_250 17001723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17011723b4a3SAtsushi Nemoto 17021723b4a3SAtsushi Nemoto config HZ_256 17031723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17041723b4a3SAtsushi Nemoto 17051723b4a3SAtsushi Nemoto config HZ_1000 17061723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17071723b4a3SAtsushi Nemoto 17081723b4a3SAtsushi Nemoto config HZ_1024 17091723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17101723b4a3SAtsushi Nemoto 17111723b4a3SAtsushi Nemotoendchoice 17121723b4a3SAtsushi Nemoto 17131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17141723b4a3SAtsushi Nemoto bool 17151723b4a3SAtsushi Nemoto 17161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17171723b4a3SAtsushi Nemoto bool 17181723b4a3SAtsushi Nemoto 17191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17201723b4a3SAtsushi Nemoto bool 17211723b4a3SAtsushi Nemoto 17221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17231723b4a3SAtsushi Nemoto bool 17241723b4a3SAtsushi Nemoto 17251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17261723b4a3SAtsushi Nemoto bool 17271723b4a3SAtsushi Nemoto 17281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17291723b4a3SAtsushi Nemoto bool 17301723b4a3SAtsushi Nemoto 17311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17321723b4a3SAtsushi Nemoto bool 17331723b4a3SAtsushi Nemoto 17341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17351723b4a3SAtsushi Nemoto bool 17361723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17371723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17381723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17391723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17401723b4a3SAtsushi Nemoto 17411723b4a3SAtsushi Nemotoconfig HZ 17421723b4a3SAtsushi Nemoto int 17431723b4a3SAtsushi Nemoto default 48 if HZ_48 17441723b4a3SAtsushi Nemoto default 100 if HZ_100 17451723b4a3SAtsushi Nemoto default 128 if HZ_128 17461723b4a3SAtsushi Nemoto default 250 if HZ_250 17471723b4a3SAtsushi Nemoto default 256 if HZ_256 17481723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17491723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17501723b4a3SAtsushi Nemoto 1751e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17521da177e4SLinus Torvalds 17531da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17541da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1755875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17561da177e4SLinus Torvalds help 17571da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17581da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17591da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17601da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17611da177e4SLinus Torvalds recommended for normal users. 17621da177e4SLinus Torvalds 1763ea6e942bSAtsushi Nemotoconfig KEXEC 1764ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1765ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1766ea6e942bSAtsushi Nemoto help 1767ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1768ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17693dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1770ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1771ea6e942bSAtsushi Nemoto 1772ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1773ea6e942bSAtsushi Nemoto 1774ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1775ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1776ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1777ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1778ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1779ea6e942bSAtsushi Nemoto 1780ea6e942bSAtsushi Nemotoconfig SECCOMP 1781ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1782293c5bd1SRalf Baechle depends on PROC_FS 1783ea6e942bSAtsushi Nemoto default y 1784ea6e942bSAtsushi Nemoto help 1785ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1786ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1787ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1788ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1789ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1790ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1791ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1792ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1793ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1794ea6e942bSAtsushi Nemoto 1795ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1796ea6e942bSAtsushi Nemoto 17975e83d430SRalf Baechleendmenu 17985e83d430SRalf Baechle 17991da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18001da177e4SLinus Torvalds bool 18011da177e4SLinus Torvalds default y 18021da177e4SLinus Torvalds 18031df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18041df0f0ffSAtsushi Nemoto bool 18051df0f0ffSAtsushi Nemoto default y 18061df0f0ffSAtsushi Nemoto 18071df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18081df0f0ffSAtsushi Nemoto bool 18091df0f0ffSAtsushi Nemoto default y 18101df0f0ffSAtsushi Nemoto 1811b6c3539bSRalf Baechlesource "init/Kconfig" 1812b6c3539bSRalf Baechle 18131da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18141da177e4SLinus Torvalds 18155e83d430SRalf Baechleconfig HW_HAS_EISA 18165e83d430SRalf Baechle bool 18171da177e4SLinus Torvaldsconfig HW_HAS_PCI 18181da177e4SLinus Torvalds bool 18191da177e4SLinus Torvalds 18201da177e4SLinus Torvaldsconfig PCI 18211da177e4SLinus Torvalds bool "Support for PCI controller" 18221da177e4SLinus Torvalds depends on HW_HAS_PCI 1823abb4ae46SRalf Baechle select PCI_DOMAINS 18241da177e4SLinus Torvalds help 18251da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18261da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18271da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18281da177e4SLinus Torvalds say Y, otherwise N. 18291da177e4SLinus Torvalds 18301da177e4SLinus Torvalds The PCI-HOWTO, available from 18311da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18321da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18331da177e4SLinus Torvalds doesn't. 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvaldsconfig PCI_DOMAINS 18361da177e4SLinus Torvalds bool 18371da177e4SLinus Torvalds 18381da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18391da177e4SLinus Torvalds 18401da177e4SLinus Torvalds# 18411da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18421da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18431da177e4SLinus Torvalds# users to choose the right thing ... 18441da177e4SLinus Torvalds# 18451da177e4SLinus Torvaldsconfig ISA 18461da177e4SLinus Torvalds bool 18471da177e4SLinus Torvalds 18481da177e4SLinus Torvaldsconfig EISA 18491da177e4SLinus Torvalds bool "EISA support" 18505e83d430SRalf Baechle depends on HW_HAS_EISA 18511da177e4SLinus Torvalds select ISA 1852aa414dffSRalf Baechle select GENERIC_ISA_DMA 18531da177e4SLinus Torvalds ---help--- 18541da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18551da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18581da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18591da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18601da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18611da177e4SLinus Torvalds 18621da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds Otherwise, say N. 18651da177e4SLinus Torvalds 18661da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18671da177e4SLinus Torvalds 18681da177e4SLinus Torvaldsconfig TC 18691da177e4SLinus Torvalds bool "TURBOchannel support" 18701da177e4SLinus Torvalds depends on MACH_DECSTATION 18711da177e4SLinus Torvalds help 18721da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18731da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18741da177e4SLinus Torvalds is available at: 18751da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18761da177e4SLinus Torvalds 18771da177e4SLinus Torvalds#config ACCESSBUS 18781da177e4SLinus Torvalds# bool "Access.Bus support" 18791da177e4SLinus Torvalds# depends on TC 18801da177e4SLinus Torvalds 18811da177e4SLinus Torvaldsconfig MMU 18821da177e4SLinus Torvalds bool 18831da177e4SLinus Torvalds default y 18841da177e4SLinus Torvalds 1885de61b542SRalf Baechleconfig PCSPEAKER 1886e5c6c8e4SMichael Neuling bool 1887e5c6c8e4SMichael Neuling 18881da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 18891da177e4SLinus Torvalds 18901da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 18911da177e4SLinus Torvalds 18921da177e4SLinus Torvaldsendmenu 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvaldsmenu "Executable file formats" 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 18971da177e4SLinus Torvalds 18981da177e4SLinus Torvaldsconfig TRAD_SIGNALS 18991da177e4SLinus Torvalds bool 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvaldsconfig BINFMT_IRIX 19021da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19035e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19061da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1907875d43e7SRalf Baechle depends on 64BIT 19081da177e4SLinus Torvalds help 19091da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19101da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19111da177e4SLinus Torvalds currently 32-bit you should say Y here. 19121da177e4SLinus Torvalds 19131da177e4SLinus Torvaldsconfig COMPAT 19141da177e4SLinus Torvalds bool 19151da177e4SLinus Torvalds depends on MIPS32_COMPAT 19161da177e4SLinus Torvalds default y 19171da177e4SLinus Torvalds 191805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 191905e43966SAtsushi Nemoto bool 192005e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 192105e43966SAtsushi Nemoto default y 192205e43966SAtsushi Nemoto 19231da177e4SLinus Torvaldsconfig MIPS32_O32 19241da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19251da177e4SLinus Torvalds depends on MIPS32_COMPAT 19261da177e4SLinus Torvalds help 19271da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19281da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19291da177e4SLinus Torvalds existing binaries are in this format. 19301da177e4SLinus Torvalds 19311da177e4SLinus Torvalds If unsure, say Y. 19321da177e4SLinus Torvalds 19331da177e4SLinus Torvaldsconfig MIPS32_N32 19341da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19351da177e4SLinus Torvalds depends on MIPS32_COMPAT 19361da177e4SLinus Torvalds help 19371da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19381da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19391da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19401da177e4SLinus Torvalds cases. 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvalds If unsure, say N. 19431da177e4SLinus Torvalds 19441da177e4SLinus Torvaldsconfig BINFMT_ELF32 19451da177e4SLinus Torvalds bool 19461da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19471da177e4SLinus Torvalds 19482116245eSRalf Baechleendmenu 19491da177e4SLinus Torvalds 19502116245eSRalf Baechlemenu "Power management options" 1951952fa954SRodolfo Giometti 19522116245eSRalf Baechlesource "kernel/power/Kconfig" 1953952fa954SRodolfo Giometti 19541da177e4SLinus Torvaldsendmenu 19551da177e4SLinus Torvalds 1956d5950b43SSam Ravnborgsource "net/Kconfig" 1957d5950b43SSam Ravnborg 19581da177e4SLinus Torvaldssource "drivers/Kconfig" 19591da177e4SLinus Torvalds 19601da177e4SLinus Torvaldssource "fs/Kconfig" 19611da177e4SLinus Torvalds 19625e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19635e83d430SRalf Baechle 19641da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19651da177e4SLinus Torvalds 19661da177e4SLinus Torvaldssource "security/Kconfig" 19671da177e4SLinus Torvalds 19681da177e4SLinus Torvaldssource "crypto/Kconfig" 19691da177e4SLinus Torvalds 19701da177e4SLinus Torvaldssource "lib/Kconfig" 1971