11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2442f77542SRalf Baechle select CEVT_R4K 2535189fadSRalf Baechle select DMA_COHERENT 2635189fadSRalf Baechle select HW_HAS_PCI 2735189fadSRalf Baechle select IRQ_CPU 2835189fadSRalf Baechle select IRQ_CPU_RM7K 2935189fadSRalf Baechle select IRQ_CPU_RM9K 30663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3135189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3235189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3335189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 34cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3535189fadSRalf Baechle help 3635189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 37be91589eSThomas Koeller Basler Vision Technologies AG. 3835189fadSRalf Baechle 3935189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 4035189fadSRalf Baechle bool "Support for pre-release units" 4135189fadSRalf Baechle depends on BASLER_EXCITE 4235189fadSRalf Baechle default n 4335189fadSRalf Baechle help 4435189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4535189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4635189fadSRalf Baechle note that a kernel built with this option selected will not be 4735189fadSRalf Baechle able to run on normal units. 4835189fadSRalf Baechle 491c0c13ebSAurelien Jarnoconfig BCM47XX 501c0c13ebSAurelien Jarno bool "BCM47XX based boards" 5142f77542SRalf Baechle select CEVT_R4K 521c0c13ebSAurelien Jarno select DMA_NONCOHERENT 531c0c13ebSAurelien Jarno select HW_HAS_PCI 541c0c13ebSAurelien Jarno select IRQ_CPU 551c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 561c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 571c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 581c0c13ebSAurelien Jarno select SSB 591c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 601c0c13ebSAurelien Jarno select GENERIC_GPIO 6125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 6225e5fb97SAurelien Jarno select CFE 631c0c13ebSAurelien Jarno help 641c0c13ebSAurelien Jarno Support for BCM47XX based boards 651c0c13ebSAurelien Jarno 661da177e4SLinus Torvaldsconfig MIPS_COBALT 673fa986faSMartin Michlmayr bool "Cobalt Server" 6842f77542SRalf Baechle select CEVT_R4K 691097c6acSYoichi Yuasa select CEVT_GT641XX 701da177e4SLinus Torvalds select DMA_NONCOHERENT 711da177e4SLinus Torvalds select HW_HAS_PCI 72d865bea4SRalf Baechle select I8253 731da177e4SLinus Torvalds select I8259 741da177e4SLinus Torvalds select IRQ_CPU 75d5ab1a69SYoichi Yuasa select IRQ_GT641XX 76252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 777cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 780a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 79ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 80ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 815e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 829fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 831da177e4SLinus Torvalds 841da177e4SLinus Torvaldsconfig MACH_DECSTATION 853fa986faSMartin Michlmayr bool "DECstations" 861da177e4SLinus Torvalds select BOOT_ELF32 8742f77542SRalf Baechle select CEVT_R4K 881da177e4SLinus Torvalds select DMA_NONCOHERENT 89d388d685SMaciej W. Rozycki select NO_IOPORT 901da177e4SLinus Torvalds select IRQ_CPU 917cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 927cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 93ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 94ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 981723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 995e83d430SRalf Baechle help 1001da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1011da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1021da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1051da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds DECstation 5000/50 1081da177e4SLinus Torvalds DECstation 5000/150 1091da177e4SLinus Torvalds DECstation 5000/260 1101da177e4SLinus Torvalds DECsystem 5900/260 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds otherwise choose R3000. 1131da177e4SLinus Torvalds 1145e83d430SRalf Baechleconfig MACH_JAZZ 1153fa986faSMartin Michlmayr bool "Jazz family of machines" 1165e83d430SRalf Baechle select ARC 1175e83d430SRalf Baechle select ARC32 1185e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 11942f77542SRalf Baechle select CEVT_R4K 1205e83d430SRalf Baechle select GENERIC_ISA_DMA 121ea202c63SThomas Bogendoerfer select IRQ_CPU 122d865bea4SRalf Baechle select I8253 1235e83d430SRalf Baechle select I8259 1245e83d430SRalf Baechle select ISA 125de61b542SRalf Baechle select PCSPEAKER 1267cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1275e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1285e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1291723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1309fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1311da177e4SLinus Torvalds help 1325e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1335e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1345e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1355e83d430SRalf Baechle Olivetti M700-10 workstations. 1365e83d430SRalf Baechle 1371f21d2bdSBrian Murphyconfig LASAT 1381f21d2bdSBrian Murphy bool "LASAT Networks platforms" 13942f77542SRalf Baechle select CEVT_R4K 1401f21d2bdSBrian Murphy select DMA_NONCOHERENT 1411f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1421f21d2bdSBrian Murphy select HW_HAS_PCI 143a5ccfe5cSRalf Baechle select IRQ_CPU 1441f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1451f21d2bdSBrian Murphy select MIPS_NILE4 1461f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1471f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1481f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1491f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1501f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1511f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1521f21d2bdSBrian Murphy 153ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 154ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 155ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15642f77542SRalf Baechle select CEVT_R4K 157ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 158ade299d8SYoichi Yuasa select DMA_NONCOHERENT 159ade299d8SYoichi Yuasa select BOOT_ELF32 160ade299d8SYoichi Yuasa select BOARD_SCACHE 161ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 162ade299d8SYoichi Yuasa select HW_HAS_PCI 163ade299d8SYoichi Yuasa select I8259 164ade299d8SYoichi Yuasa select ISA 165ade299d8SYoichi Yuasa select IRQ_CPU 166ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 167ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 168ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 169ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 170ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 171ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17223dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 173ade299d8SYoichi Yuasa select CPU_HAS_WB 174ade299d8SYoichi Yuasa help 175ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 176ade299d8SYoichi Yuasa an FPGA northbridge 177ade299d8SYoichi Yuasa 1781da177e4SLinus Torvaldsconfig MIPS_ATLAS 1793fa986faSMartin Michlmayr bool "MIPS Atlas board" 1801da177e4SLinus Torvalds select BOOT_ELF32 18142f77542SRalf Baechle select CEVT_R4K 1821da177e4SLinus Torvalds select DMA_NONCOHERENT 18336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1845e83d430SRalf Baechle select IRQ_CPU 1851da177e4SLinus Torvalds select HW_HAS_PCI 1865e83d430SRalf Baechle select MIPS_BOARDS_GEN 1875e83d430SRalf Baechle select MIPS_BONITO64 188252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1895e83d430SRalf Baechle select MIPS_MSC 190f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1911da177e4SLinus Torvalds select SWAP_IO_SPACE 1927cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1937cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1947cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1957cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1967cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 197ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 198ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2005e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 201f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2029693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 203e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2041da177e4SLinus Torvalds help 205f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2061da177e4SLinus Torvalds board. 2071da177e4SLinus Torvalds 2081da177e4SLinus Torvaldsconfig MIPS_MALTA 2093fa986faSMartin Michlmayr bool "MIPS Malta board" 21061ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2111da177e4SLinus Torvalds select BOOT_ELF32 21242f77542SRalf Baechle select CEVT_R4K 2131da177e4SLinus Torvalds select DMA_NONCOHERENT 2141da177e4SLinus Torvalds select GENERIC_ISA_DMA 215aa414dffSRalf Baechle select IRQ_CPU 2161da177e4SLinus Torvalds select HW_HAS_PCI 217d865bea4SRalf Baechle select I8253 2181da177e4SLinus Torvalds select I8259 2195e83d430SRalf Baechle select MIPS_BOARDS_GEN 2205e83d430SRalf Baechle select MIPS_BONITO64 2219318c51aSChris Dearman select MIPS_CPU_SCACHE 222252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2235e83d430SRalf Baechle select MIPS_MSC 2241da177e4SLinus Torvalds select SWAP_IO_SPACE 2257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2287cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2297cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 23036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 231ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 232ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 235f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2369693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2371da177e4SLinus Torvalds help 238f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2391da177e4SLinus Torvalds board. 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvaldsconfig MIPS_SEAD 242d98cc84dSRalf Baechle bool "MIPS SEAD board" 24342f77542SRalf Baechle select CEVT_R4K 2441da177e4SLinus Torvalds select IRQ_CPU 2451da177e4SLinus Torvalds select DMA_NONCOHERENT 24636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2475e83d430SRalf Baechle select MIPS_BOARDS_GEN 2487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2497cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2507cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 251ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2525e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2535e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2559693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 256f638d197SMaciej W. Rozycki help 257f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 258f638d197SMaciej W. Rozycki board. 2591da177e4SLinus Torvalds 260c78cbf49SRalf Baechleconfig MIPS_SIM 2613fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 26242f77542SRalf Baechle select CEVT_R4K 263c78cbf49SRalf Baechle select DMA_NONCOHERENT 26436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 265c78cbf49SRalf Baechle select IRQ_CPU 2669267a30dSMarc St-Jean select BOOT_RAW 2677cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2687cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 26936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 270c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 271c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 272f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 273c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 274c78cbf49SRalf Baechle help 275c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 276c78cbf49SRalf Baechle emulator. 277c78cbf49SRalf Baechle 278ade299d8SYoichi Yuasaconfig MARKEINS 279ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 28042f77542SRalf Baechle select CEVT_R4K 281ade299d8SYoichi Yuasa select DMA_NONCOHERENT 282ade299d8SYoichi Yuasa select HW_HAS_PCI 283ade299d8SYoichi Yuasa select IRQ_CPU 284ade299d8SYoichi Yuasa select SWAP_IO_SPACE 285ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 286ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 287ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 288ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 289ade299d8SYoichi Yuasa help 290ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 291ade299d8SYoichi Yuasa boards with R5500 CPU. 292ade299d8SYoichi Yuasa 2935e83d430SRalf Baechleconfig MACH_VR41XX 29474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 29542f77542SRalf Baechle select CEVT_R4K 2967cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2979fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2985e83d430SRalf Baechle 299ade299d8SYoichi Yuasaconfig PNX8550_JBS 300ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 301ade299d8SYoichi Yuasa select PNX8550 302ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 303ade299d8SYoichi Yuasa 304ade299d8SYoichi Yuasaconfig PNX8550_STB810 305ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 306ade299d8SYoichi Yuasa select PNX8550 307ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 308ade299d8SYoichi Yuasa 3099267a30dSMarc St-Jeanconfig PMC_MSP 3109267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3119267a30dSMarc St-Jean depends on EXPERIMENTAL 3129267a30dSMarc St-Jean select DMA_NONCOHERENT 3139267a30dSMarc St-Jean select SWAP_IO_SPACE 3149267a30dSMarc St-Jean select NO_EXCEPT_FILL 3159267a30dSMarc St-Jean select BOOT_RAW 3169267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3179267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3189267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3199267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3209267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3219267a30dSMarc St-Jean select IRQ_CPU 3229267a30dSMarc St-Jean select SERIAL_8250 3239267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3249267a30dSMarc St-Jean help 3259267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3269267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3279267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3289267a30dSMarc St-Jean a variety of MIPS cores. 3299267a30dSMarc St-Jean 3305e83d430SRalf Baechleconfig PMC_YOSEMITE 3313fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 33242f77542SRalf Baechle select CEVT_R4K 3335e83d430SRalf Baechle select DMA_COHERENT 3345e83d430SRalf Baechle select HW_HAS_PCI 3355e83d430SRalf Baechle select IRQ_CPU 3365e83d430SRalf Baechle select IRQ_CPU_RM7K 3375e83d430SRalf Baechle select IRQ_CPU_RM9K 3385e83d430SRalf Baechle select SWAP_IO_SPACE 3397cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 34036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3415e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3425e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3445e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 345cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 346e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3475e83d430SRalf Baechle help 3485e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3495e83d430SRalf Baechle manufactured by PMC-Sierra. 3501da177e4SLinus Torvalds 35107119621SRalf Baechleconfig QEMU 3523fa986faSMartin Michlmayr bool "Qemu" 35342f77542SRalf Baechle select CEVT_R4K 35407119621SRalf Baechle select DMA_COHERENT 35507119621SRalf Baechle select GENERIC_ISA_DMA 35607119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 357d865bea4SRalf Baechle select I8253 35807119621SRalf Baechle select I8259 3597bcf7717SRalf Baechle select IRQ_CPU 36007119621SRalf Baechle select ISA 361de61b542SRalf Baechle select PCSPEAKER 36207119621SRalf Baechle select SWAP_IO_SPACE 3637cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 36407119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 36507119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 366c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 367b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3689fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 36972ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 37072ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 37107119621SRalf Baechle help 37207119621SRalf Baechle Qemu is a software emulator which among other architectures also 37307119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 37407119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 37507119621SRalf Baechle will eventually be removed again when Qemu has the capability to 37607119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 37707119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 37807119621SRalf Baechle 3791da177e4SLinus Torvaldsconfig SGI_IP22 3803fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3811da177e4SLinus Torvalds select ARC 3821da177e4SLinus Torvalds select ARC32 3831da177e4SLinus Torvalds select BOOT_ELF32 38442f77542SRalf Baechle select CEVT_R4K 3851da177e4SLinus Torvalds select DMA_NONCOHERENT 3865e83d430SRalf Baechle select HW_HAS_EISA 387d865bea4SRalf Baechle select I8253 3881da177e4SLinus Torvalds select IP22_CPU_SCACHE 3891da177e4SLinus Torvalds select IRQ_CPU 390aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3911da177e4SLinus Torvalds select SWAP_IO_SPACE 3927cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3937cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 39436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 395ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 396ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3981da177e4SLinus Torvalds help 3991da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4001da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4011da177e4SLinus Torvalds that runs on these, say Y here. 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvaldsconfig SGI_IP27 4043fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4051da177e4SLinus Torvalds select ARC 4061da177e4SLinus Torvalds select ARC64 4075e83d430SRalf Baechle select BOOT_ELF64 4081da177e4SLinus Torvalds select DMA_IP27 40936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4101da177e4SLinus Torvalds select HW_HAS_PCI 411130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 413ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 415cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 416d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4171a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 418e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4191da177e4SLinus Torvalds help 4201da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4211da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4221da177e4SLinus Torvalds here. 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvaldsconfig SGI_IP32 425cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4261da177e4SLinus Torvalds select ARC 4271da177e4SLinus Torvalds select ARC32 4281da177e4SLinus Torvalds select BOOT_ELF32 42942f77542SRalf Baechle select CEVT_R4K 4301da177e4SLinus Torvalds select DMA_NONCOHERENT 4311da177e4SLinus Torvalds select HW_HAS_PCI 432dd67b155SRalf Baechle select IRQ_CPU 4331da177e4SLinus Torvalds select R5000_CPU_SCACHE 4341da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4357cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4367cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4377cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 438dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 439ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4411da177e4SLinus Torvalds help 4421da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4431da177e4SLinus Torvalds 444ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 445ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4465e83d430SRalf Baechle depends on EXPERIMENTAL 4475e83d430SRalf Baechle select BOOT_ELF32 4485e83d430SRalf Baechle select DMA_COHERENT 4495e83d430SRalf Baechle select SIBYTE_BCM1120 4505e83d430SRalf Baechle select SWAP_IO_SPACE 4517cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4545e83d430SRalf Baechle 455ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 456ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4575e83d430SRalf Baechle depends on EXPERIMENTAL 4585e83d430SRalf Baechle select BOOT_ELF32 4595e83d430SRalf Baechle select DMA_COHERENT 4605e83d430SRalf Baechle select SIBYTE_BCM1120 4615e83d430SRalf Baechle select SWAP_IO_SPACE 4627cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4635e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4645e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4655e83d430SRalf Baechle 4665e83d430SRalf Baechleconfig SIBYTE_CRHONE 4673fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4685e83d430SRalf Baechle depends on EXPERIMENTAL 4695e83d430SRalf Baechle select BOOT_ELF32 4705e83d430SRalf Baechle select DMA_COHERENT 4715e83d430SRalf Baechle select SIBYTE_BCM1125 4725e83d430SRalf Baechle select SWAP_IO_SPACE 4737cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4745e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4755e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4775e83d430SRalf Baechle 478ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 479ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 480ade299d8SYoichi Yuasa depends on EXPERIMENTAL 481ade299d8SYoichi Yuasa select BOOT_ELF32 482ade299d8SYoichi Yuasa select DMA_COHERENT 483ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 484ade299d8SYoichi Yuasa select SWAP_IO_SPACE 485ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 488ade299d8SYoichi Yuasa 489ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 490ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 491ade299d8SYoichi Yuasa select BOOT_ELF32 492ade299d8SYoichi Yuasa select DMA_COHERENT 493ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 494ade299d8SYoichi Yuasa select SIBYTE_SB1250 495ade299d8SYoichi Yuasa select SWAP_IO_SPACE 496ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 497ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 498ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 501ade299d8SYoichi Yuasa 502ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 503ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 504ade299d8SYoichi Yuasa depends on EXPERIMENTAL 505ade299d8SYoichi Yuasa select BOOT_ELF32 506ade299d8SYoichi Yuasa select DMA_COHERENT 507ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 508ade299d8SYoichi Yuasa select SIBYTE_SB1250 509ade299d8SYoichi Yuasa select SWAP_IO_SPACE 510ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 514ade299d8SYoichi Yuasa 515ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 516ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 517ade299d8SYoichi Yuasa depends on EXPERIMENTAL 518ade299d8SYoichi Yuasa select BOOT_ELF32 519ade299d8SYoichi Yuasa select DMA_COHERENT 520ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 521ade299d8SYoichi Yuasa select SIBYTE_SB1250 522ade299d8SYoichi Yuasa select SWAP_IO_SPACE 523ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 525ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 526ade299d8SYoichi Yuasa 527ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 528ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 529ade299d8SYoichi Yuasa depends on EXPERIMENTAL 530ade299d8SYoichi Yuasa select BOOT_ELF32 531ade299d8SYoichi Yuasa select DMA_COHERENT 532ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 533ade299d8SYoichi Yuasa select SIBYTE_SB1250 534ade299d8SYoichi Yuasa select SWAP_IO_SPACE 535ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 536ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 537ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 538ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 539ade299d8SYoichi Yuasa 540ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 541ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 542ade299d8SYoichi Yuasa select BOOT_ELF32 543ade299d8SYoichi Yuasa select DMA_COHERENT 544ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 545ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 546ade299d8SYoichi Yuasa select SWAP_IO_SPACE 547ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 548ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 549*651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 550ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 551ade299d8SYoichi Yuasa 55214b36af4SThomas Bogendoerferconfig SNI_RM 55314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5544a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5554a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5565e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5575e83d430SRalf Baechle select BOOT_ELF32 55842f77542SRalf Baechle select CEVT_R4K 5595e83d430SRalf Baechle select DMA_NONCOHERENT 5605e83d430SRalf Baechle select GENERIC_ISA_DMA 5615e83d430SRalf Baechle select HW_HAS_EISA 5625e83d430SRalf Baechle select HW_HAS_PCI 563c066a32aSThomas Bogendoerfer select IRQ_CPU 564d865bea4SRalf Baechle select I8253 5655e83d430SRalf Baechle select I8259 5665e83d430SRalf Baechle select ISA 567de61b542SRalf Baechle select PCSPEAKER 5684a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5697cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5704a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 571c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5724a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 57336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 574ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5755e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5764a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5775e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5785e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5791da177e4SLinus Torvalds help 58014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 58114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5825e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5835e83d430SRalf Baechle support this machine type. 5841da177e4SLinus Torvalds 5855e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5863fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 587229f773eSAtsushi Nemoto select CEVT_TXX9 5885e83d430SRalf Baechle select DMA_NONCOHERENT 5895e83d430SRalf Baechle select HW_HAS_PCI 5905e83d430SRalf Baechle select MIPS_TX3927 591c87abd75SAtsushi Nemoto select IRQ_TXX9 5925e83d430SRalf Baechle select SWAP_IO_SPACE 5937cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5945e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5956a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5965e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5972127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5985e83d430SRalf Baechle 5995e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 60008a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 60142f77542SRalf Baechle select CEVT_R4K 602229f773eSAtsushi Nemoto select CEVT_TXX9 6035e83d430SRalf Baechle select DMA_NONCOHERENT 6045e83d430SRalf Baechle select HAS_TXX9_SERIAL 6055e83d430SRalf Baechle select HW_HAS_PCI 606c87abd75SAtsushi Nemoto select IRQ_CPU 607c87abd75SAtsushi Nemoto select IRQ_TXX9 608c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6095e83d430SRalf Baechle select SWAP_IO_SPACE 6107cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6115e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6125e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6136a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 615cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6169fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6175e83d430SRalf Baechle help 6185e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6195e83d430SRalf Baechle support this machine type 6201da177e4SLinus Torvalds 62123fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6223fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 62342f77542SRalf Baechle select CEVT_R4K 624229f773eSAtsushi Nemoto select CEVT_TXX9 62523fbee9dSRalf Baechle select DMA_NONCOHERENT 62623fbee9dSRalf Baechle select HAS_TXX9_SERIAL 62723fbee9dSRalf Baechle select HW_HAS_PCI 628c87abd75SAtsushi Nemoto select IRQ_CPU 629c87abd75SAtsushi Nemoto select IRQ_TXX9 63023fbee9dSRalf Baechle select SWAP_IO_SPACE 6317cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 63223fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 63323fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 63423fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 635cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6369fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6373896b054SAtsushi Nemoto select GENERIC_GPIO 63823fbee9dSRalf Baechle help 63923fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 64023fbee9dSRalf Baechle support this machine type 64123fbee9dSRalf Baechle 642ade299d8SYoichi Yuasaconfig WR_PPMC 643ade299d8SYoichi Yuasa bool "Wind River PPMC board" 64442f77542SRalf Baechle select CEVT_R4K 645ade299d8SYoichi Yuasa select IRQ_CPU 646ade299d8SYoichi Yuasa select BOOT_ELF32 647ade299d8SYoichi Yuasa select DMA_NONCOHERENT 648ade299d8SYoichi Yuasa select HW_HAS_PCI 649ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 650ade299d8SYoichi Yuasa select SWAP_IO_SPACE 651ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 652ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 653ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 654ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 655ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 656ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 657ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 658ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 659ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 660ade299d8SYoichi Yuasa help 661ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 662ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 663ade299d8SYoichi Yuasa 6641da177e4SLinus Torvaldsendchoice 6651da177e4SLinus Torvalds 666c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6675e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6681f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6695e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 67029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 67138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6725e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 67323fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6745e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 67538b18f72SRalf Baechle 6765e83d430SRalf Baechleendmenu 6775e83d430SRalf Baechle 6781da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6791da177e4SLinus Torvalds bool 6801da177e4SLinus Torvalds default y 6811da177e4SLinus Torvalds 6821da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6831da177e4SLinus Torvalds bool 6841da177e4SLinus Torvalds 685f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 686f0d1b0b3SDavid Howells bool 687f0d1b0b3SDavid Howells default n 688f0d1b0b3SDavid Howells 689f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 690f0d1b0b3SDavid Howells bool 691f0d1b0b3SDavid Howells default n 692f0d1b0b3SDavid Howells 6933c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6943c9ee7efSAkinobu Mita bool 6953c9ee7efSAkinobu Mita default y 6963c9ee7efSAkinobu Mita 6973c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6983c9ee7efSAkinobu Mita bool 6993c9ee7efSAkinobu Mita default y 7003c9ee7efSAkinobu Mita 7011da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7021da177e4SLinus Torvalds bool 7031da177e4SLinus Torvalds default y 7041da177e4SLinus Torvalds 7057bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7067bcf7717SRalf Baechle bool 7077bcf7717SRalf Baechle default y 7087bcf7717SRalf Baechle 7098db02010SRalf Baechleconfig GENERIC_TIME 7108db02010SRalf Baechle bool 7118db02010SRalf Baechle default y 7128db02010SRalf Baechle 713f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 714f5ff0a28SRalf Baechle bool 715f5ff0a28SRalf Baechle default y 716f5ff0a28SRalf Baechle 7171cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7181cc89038SAtsushi Nemoto bool 7191cc89038SAtsushi Nemoto default y 7201cc89038SAtsushi Nemoto 721e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 722e77c232cSFranck Bui-Huu bool 723e77c232cSFranck Bui-Huu default n 724e77c232cSFranck Bui-Huu 7251da177e4SLinus Torvalds# 7261da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7271da177e4SLinus Torvalds# 7281da177e4SLinus Torvaldsconfig ARC 7291da177e4SLinus Torvalds bool 7301da177e4SLinus Torvalds 73161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 73261ed242dSRalf Baechle bool 73361ed242dSRalf Baechle 7349267a30dSMarc St-Jeanconfig BOOT_RAW 7359267a30dSMarc St-Jean bool 7369267a30dSMarc St-Jean 737217dd11eSRalf Baechleconfig CEVT_BCM1480 738217dd11eSRalf Baechle bool 739217dd11eSRalf Baechle 7401097c6acSYoichi Yuasaconfig CEVT_GT641XX 7411097c6acSYoichi Yuasa bool 7421097c6acSYoichi Yuasa 74342f77542SRalf Baechleconfig CEVT_R4K 74442f77542SRalf Baechle bool 74542f77542SRalf Baechle 746217dd11eSRalf Baechleconfig CEVT_SB1250 747217dd11eSRalf Baechle bool 748217dd11eSRalf Baechle 749229f773eSAtsushi Nemotoconfig CEVT_TXX9 750229f773eSAtsushi Nemoto bool 751229f773eSAtsushi Nemoto 752217dd11eSRalf Baechleconfig CSRC_BCM1480 753217dd11eSRalf Baechle bool 754217dd11eSRalf Baechle 755217dd11eSRalf Baechleconfig CSRC_SB1250 756217dd11eSRalf Baechle bool 757217dd11eSRalf Baechle 758df78b5c8SAurelien Jarnoconfig CFE 759df78b5c8SAurelien Jarno bool 760df78b5c8SAurelien Jarno 7611da177e4SLinus Torvaldsconfig DMA_COHERENT 7621da177e4SLinus Torvalds bool 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvaldsconfig DMA_IP27 7651da177e4SLinus Torvalds bool 7661da177e4SLinus Torvalds 7674ce588cdSRalf Baechleconfig DMA_IP32 7684ce588cdSRalf Baechle bool 7694ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7704ce588cdSRalf Baechle 7711da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7721da177e4SLinus Torvalds bool 7734ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7744ce588cdSRalf Baechle 7754ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7764ce588cdSRalf Baechle bool 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvaldsconfig EARLY_PRINTK 77936a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 78036a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 78136a88530SRalf Baechle default y 78236a88530SRalf Baechle help 78336a88530SRalf Baechle This option enables special console drivers which allow the kernel 78436a88530SRalf Baechle to print messages very early in the bootup process. 78536a88530SRalf Baechle 78636a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 787490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 788490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 789490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 79036a88530SRalf Baechle unless you want to debug such a crash. 79136a88530SRalf Baechle 79236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7931da177e4SLinus Torvalds bool 7941da177e4SLinus Torvalds 795dbb74540SRalf Baechleconfig HOTPLUG_CPU 796dbb74540SRalf Baechle bool 797dbb74540SRalf Baechle default n 798dbb74540SRalf Baechle 7991da177e4SLinus Torvaldsconfig I8259 8001da177e4SLinus Torvalds bool 8011da177e4SLinus Torvalds 8021da177e4SLinus Torvaldsconfig MIPS_BONITO64 8031da177e4SLinus Torvalds bool 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvaldsconfig MIPS_MSC 8061da177e4SLinus Torvalds bool 8071da177e4SLinus Torvalds 8081f21d2bdSBrian Murphyconfig MIPS_NILE4 8091f21d2bdSBrian Murphy bool 8101f21d2bdSBrian Murphy 8111da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8121da177e4SLinus Torvalds bool 8131da177e4SLinus Torvalds 814d388d685SMaciej W. Rozyckiconfig NO_IOPORT 815d388d685SMaciej W. Rozycki def_bool n 816d388d685SMaciej W. Rozycki 8178313da30SRalf Baechleconfig GENERIC_ISA_DMA 8188313da30SRalf Baechle bool 8198313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8208313da30SRalf Baechle 821aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 822aa414dffSRalf Baechle bool 8238313da30SRalf Baechle select GENERIC_ISA_DMA 824aa414dffSRalf Baechle 82509663335SYoichi Yuasaconfig GENERIC_GPIO 82609663335SYoichi Yuasa bool 82709663335SYoichi Yuasa 8285e83d430SRalf Baechle# 8293cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8305e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8315e83d430SRalf Baechle# choice statement should be more obvious to the user. 8325e83d430SRalf Baechle# 8335e83d430SRalf Baechlechoice 8345e83d430SRalf Baechle prompt "Endianess selection" 8351da177e4SLinus Torvalds help 8361da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8375e83d430SRalf Baechle byte order. These modes require different kernels and a different 8383cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8395e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8403dde6ad8SDavid Sterba one or the other endianness. 8415e83d430SRalf Baechle 8425e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8435e83d430SRalf Baechle bool "Big endian" 8445e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8455e83d430SRalf Baechle 8465e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8475e83d430SRalf Baechle bool "Little endian" 8485e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8495e83d430SRalf Baechle help 8505e83d430SRalf Baechle 8515e83d430SRalf Baechleendchoice 8525e83d430SRalf Baechle 8532116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8542116245eSRalf Baechle bool 8552116245eSRalf Baechle 8565e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8575e83d430SRalf Baechle bool 8585e83d430SRalf Baechle 8595e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8605e83d430SRalf Baechle bool 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvaldsconfig IRQ_CPU 8631da177e4SLinus Torvalds bool 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8661da177e4SLinus Torvalds bool 8671da177e4SLinus Torvalds 8685e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8695e83d430SRalf Baechle bool 8705e83d430SRalf Baechle 8719267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8729267a30dSMarc St-Jean bool 8739267a30dSMarc St-Jean 8749267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8759267a30dSMarc St-Jean bool 8769267a30dSMarc St-Jean 8778420fd00SAtsushi Nemotoconfig IRQ_TXX9 8788420fd00SAtsushi Nemoto bool 8798420fd00SAtsushi Nemoto 880d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 881d5ab1a69SYoichi Yuasa bool 882d5ab1a69SYoichi Yuasa 8831da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8841da177e4SLinus Torvalds bool 8851da177e4SLinus Torvalds 886252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8871da177e4SLinus Torvalds bool 8881da177e4SLinus Torvalds 8899267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8909267a30dSMarc St-Jean bool 8919267a30dSMarc St-Jean 8921da177e4SLinus Torvaldsconfig MIPS_TX3927 8931da177e4SLinus Torvalds bool 8941da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8951da177e4SLinus Torvalds 896663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 897663c3d90Sthomas@koeller.dyndns.org bool 898663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 899663c3d90Sthomas@koeller.dyndns.org 900bdf21b18SPete Popovconfig PNX8550 901bdf21b18SPete Popov bool 902bdf21b18SPete Popov select SOC_PNX8550 903bdf21b18SPete Popov 904bdf21b18SPete Popovconfig SOC_PNX8550 905bdf21b18SPete Popov bool 906bdf21b18SPete Popov select DMA_NONCOHERENT 907bdf21b18SPete Popov select HW_HAS_PCI 908b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 90936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9107cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 911e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 912cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9134ead1681SFlorian Fainelli select GENERIC_GPIO 914bdf21b18SPete Popov 9151da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9161da177e4SLinus Torvalds bool 9171da177e4SLinus Torvalds 918355c471fSdmitry pervushinconfig EMMA2RH 919355c471fSdmitry pervushin bool 920355c471fSdmitry pervushin depends on MARKEINS 921355c471fSdmitry pervushin default y 922355c471fSdmitry pervushin 923663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 924663c3d90Sthomas@koeller.dyndns.org bool 925663c3d90Sthomas@koeller.dyndns.org 9265e83d430SRalf Baechleconfig ARC32 9275e83d430SRalf Baechle bool 9285e83d430SRalf Baechle 9291da177e4SLinus Torvaldsconfig BOOT_ELF32 9301da177e4SLinus Torvalds bool 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9331da177e4SLinus Torvalds int 93406cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 93506cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 9369267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9371da177e4SLinus Torvalds default "5" 9381da177e4SLinus Torvalds 9391da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9401da177e4SLinus Torvalds bool 9411da177e4SLinus Torvalds 9421da177e4SLinus Torvaldsconfig ARC_CONSOLE 9431da177e4SLinus Torvalds bool "ARC console support" 94436a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 9451da177e4SLinus Torvalds 9461da177e4SLinus Torvaldsconfig ARC_MEMORY 9471da177e4SLinus Torvalds bool 94814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9491da177e4SLinus Torvalds default y 9501da177e4SLinus Torvalds 9511da177e4SLinus Torvaldsconfig ARC_PROMLIB 9521da177e4SLinus Torvalds bool 95314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 9541da177e4SLinus Torvalds default y 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvaldsconfig ARC64 9571da177e4SLinus Torvalds bool 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvaldsconfig BOOT_ELF64 9601da177e4SLinus Torvalds bool 9611da177e4SLinus Torvalds 9621da177e4SLinus Torvaldsmenu "CPU selection" 9631da177e4SLinus Torvalds 9647bcf7717SRalf Baechlesource "kernel/time/Kconfig" 9657bcf7717SRalf Baechle 9661da177e4SLinus Torvaldschoice 9671da177e4SLinus Torvalds prompt "CPU type" 9681da177e4SLinus Torvalds default CPU_R4X00 9691da177e4SLinus Torvalds 9702a21c730SFuxin Zhangconfig CPU_LOONGSON2 9712a21c730SFuxin Zhang bool "Loongson 2" 9722a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9732a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9742a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9752a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9762a21c730SFuxin Zhang help 9772a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9782a21c730SFuxin Zhang with many extensions. 9792a21c730SFuxin Zhang 9806e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9816e760c8dSRalf Baechle bool "MIPS32 Release 1" 9827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 983f7062ddbSRalf Baechle select CPU_HAS_LLSC 9846e760c8dSRalf Baechle select CPU_HAS_PREFETCH 985797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 986ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9876e760c8dSRalf Baechle help 9885e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9891e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9901e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9911e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9921e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9931e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9941e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9951e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9961e5f1caaSRalf Baechle performance. 9971e5f1caaSRalf Baechle 9981e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9991e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10007cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1001f7062ddbSRalf Baechle select CPU_HAS_LLSC 10021e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1003797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1004ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10051e5f1caaSRalf Baechle help 10065e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10076e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10086e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10096e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10106e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10111da177e4SLinus Torvalds 10126e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10136e760c8dSRalf Baechle bool "MIPS64 Release 1" 10147cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1015f7062ddbSRalf Baechle select CPU_HAS_LLSC 1016797798c1SRalf Baechle select CPU_HAS_PREFETCH 1017ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1018ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1019ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10206e760c8dSRalf Baechle help 10216e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10226e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10236e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10246e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10256e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10261e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10271e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10281e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10291e5f1caaSRalf Baechle performance. 10301e5f1caaSRalf Baechle 10311e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10321e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1034f7062ddbSRalf Baechle select CPU_HAS_LLSC 1035797798c1SRalf Baechle select CPU_HAS_PREFETCH 10361e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10371e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1038ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10391e5f1caaSRalf Baechle help 10401e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10411e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10421e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10431e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10441e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvaldsconfig CPU_R3000 10471da177e4SLinus Torvalds bool "R3000" 10487cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1049f7062ddbSRalf Baechle select CPU_HAS_WB 1050ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1051797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10521da177e4SLinus Torvalds help 10531da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10541da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10551da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10561da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10571da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10581da177e4SLinus Torvalds try to recompile with R3000. 10591da177e4SLinus Torvalds 10601da177e4SLinus Torvaldsconfig CPU_TX39XX 10611da177e4SLinus Torvalds bool "R39XX" 10627cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1063ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10641da177e4SLinus Torvalds 10651da177e4SLinus Torvaldsconfig CPU_VR41XX 10661da177e4SLinus Torvalds bool "R41xx" 10677cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1068ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1069ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10701da177e4SLinus Torvalds help 10715e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10721da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10731da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10741da177e4SLinus Torvalds processor or vice versa. 10751da177e4SLinus Torvalds 10761da177e4SLinus Torvaldsconfig CPU_R4300 10771da177e4SLinus Torvalds bool "R4300" 10787cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1079f7062ddbSRalf Baechle select CPU_HAS_LLSC 1080ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1081ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10821da177e4SLinus Torvalds help 10831da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10841da177e4SLinus Torvalds 10851da177e4SLinus Torvaldsconfig CPU_R4X00 10861da177e4SLinus Torvalds bool "R4x00" 10877cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1088f7062ddbSRalf Baechle select CPU_HAS_LLSC 1089ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1090ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10911da177e4SLinus Torvalds help 10921da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10931da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig CPU_TX49XX 10961da177e4SLinus Torvalds bool "R49XX" 10977cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1098f7062ddbSRalf Baechle select CPU_HAS_LLSC 1099de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1101ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11021da177e4SLinus Torvalds 11031da177e4SLinus Torvaldsconfig CPU_R5000 11041da177e4SLinus Torvalds bool "R5000" 11057cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1106f7062ddbSRalf Baechle select CPU_HAS_LLSC 1107ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11091da177e4SLinus Torvalds help 11101da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvaldsconfig CPU_R5432 11131da177e4SLinus Torvalds bool "R5432" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1115f7062ddbSRalf Baechle select CPU_HAS_LLSC 11165e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11175e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11181da177e4SLinus Torvalds 11191da177e4SLinus Torvaldsconfig CPU_R6000 11201da177e4SLinus Torvalds bool "R6000" 1121ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1122f7062ddbSRalf Baechle select CPU_HAS_LLSC 11237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1124ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11251da177e4SLinus Torvalds help 11261da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1127c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11281da177e4SLinus Torvalds 11291da177e4SLinus Torvaldsconfig CPU_NEVADA 11301da177e4SLinus Torvalds bool "RM52xx" 11317cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1132f7062ddbSRalf Baechle select CPU_HAS_LLSC 1133ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1134ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11351da177e4SLinus Torvalds help 11361da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11371da177e4SLinus Torvalds 11381da177e4SLinus Torvaldsconfig CPU_R8000 11391da177e4SLinus Torvalds bool "R8000" 1140ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11417cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1142f7062ddbSRalf Baechle select CPU_HAS_LLSC 11435e83d430SRalf Baechle select CPU_HAS_PREFETCH 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11451da177e4SLinus Torvalds help 11461da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11471da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvaldsconfig CPU_R10000 11501da177e4SLinus Torvalds bool "R10000" 11517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1152f7062ddbSRalf Baechle select CPU_HAS_LLSC 11535e83d430SRalf Baechle select CPU_HAS_PREFETCH 1154ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1155ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1156797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11571da177e4SLinus Torvalds help 11581da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvaldsconfig CPU_RM7000 11611da177e4SLinus Torvalds bool "RM7000" 11627cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1163f7062ddbSRalf Baechle select CPU_HAS_LLSC 11645e83d430SRalf Baechle select CPU_HAS_PREFETCH 1165ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1166ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1167797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11681da177e4SLinus Torvalds 11691da177e4SLinus Torvaldsconfig CPU_RM9000 11701da177e4SLinus Torvalds bool "RM9000" 11717cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1172f7062ddbSRalf Baechle select CPU_HAS_LLSC 11735e83d430SRalf Baechle select CPU_HAS_PREFETCH 1174ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1175ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1176797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11770004a9dfSRalf Baechle select WEAK_ORDERING 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvaldsconfig CPU_SB1 11801da177e4SLinus Torvalds bool "SB1" 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1182f7062ddbSRalf Baechle select CPU_HAS_LLSC 1183ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1184ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1185797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11860004a9dfSRalf Baechle select WEAK_ORDERING 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvaldsendchoice 11891da177e4SLinus Torvalds 11902a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11912a21c730SFuxin Zhang bool 11922a21c730SFuxin Zhang 11937cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11947cf8053bSRalf Baechle bool 11957cf8053bSRalf Baechle 11967cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11977cf8053bSRalf Baechle bool 11987cf8053bSRalf Baechle 11997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12007cf8053bSRalf Baechle bool 12017cf8053bSRalf Baechle 12027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12037cf8053bSRalf Baechle bool 12047cf8053bSRalf Baechle 12057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12067cf8053bSRalf Baechle bool 12077cf8053bSRalf Baechle 12087cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12097cf8053bSRalf Baechle bool 12107cf8053bSRalf Baechle 12117cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12127cf8053bSRalf Baechle bool 12137cf8053bSRalf Baechle 12147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12157cf8053bSRalf Baechle bool 12167cf8053bSRalf Baechle 12177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12187cf8053bSRalf Baechle bool 12197cf8053bSRalf Baechle 12207cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12217cf8053bSRalf Baechle bool 12227cf8053bSRalf Baechle 12237cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12247cf8053bSRalf Baechle bool 12257cf8053bSRalf Baechle 12267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12277cf8053bSRalf Baechle bool 12287cf8053bSRalf Baechle 12297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12307cf8053bSRalf Baechle bool 12317cf8053bSRalf Baechle 12327cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12337cf8053bSRalf Baechle bool 12347cf8053bSRalf Baechle 12357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12367cf8053bSRalf Baechle bool 12377cf8053bSRalf Baechle 12387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12397cf8053bSRalf Baechle bool 12407cf8053bSRalf Baechle 12417cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12427cf8053bSRalf Baechle bool 12437cf8053bSRalf Baechle 12447cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12457cf8053bSRalf Baechle bool 12467cf8053bSRalf Baechle 12477cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12487cf8053bSRalf Baechle bool 12497cf8053bSRalf Baechle 125017099b11SRalf Baechle# 125117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 125217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 125317099b11SRalf Baechle# 12540004a9dfSRalf Baechleconfig WEAK_ORDERING 12550004a9dfSRalf Baechle bool 125617099b11SRalf Baechle 125717099b11SRalf Baechle# 125817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 125917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 126017099b11SRalf Baechle# 126117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 126217099b11SRalf Baechle bool 12635e83d430SRalf Baechleendmenu 12645e83d430SRalf Baechle 12655e83d430SRalf Baechle# 12665e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12675e83d430SRalf Baechle# 12685e83d430SRalf Baechleconfig CPU_MIPS32 12695e83d430SRalf Baechle bool 12705e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12715e83d430SRalf Baechle 12725e83d430SRalf Baechleconfig CPU_MIPS64 12735e83d430SRalf Baechle bool 12745e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12755e83d430SRalf Baechle 12765e83d430SRalf Baechle# 1277c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12785e83d430SRalf Baechle# 12795e83d430SRalf Baechleconfig CPU_MIPSR1 12805e83d430SRalf Baechle bool 12815e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12825e83d430SRalf Baechle 12835e83d430SRalf Baechleconfig CPU_MIPSR2 12845e83d430SRalf Baechle bool 12855e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12865e83d430SRalf Baechle 12875e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12885e83d430SRalf Baechle bool 12895e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12905e83d430SRalf Baechle bool 12915e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12925e83d430SRalf Baechle bool 12935e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12945e83d430SRalf Baechle bool 12955e83d430SRalf Baechle 12965e83d430SRalf Baechlemenu "Kernel type" 12975e83d430SRalf Baechle 12985e83d430SRalf Baechlechoice 12995e83d430SRalf Baechle 13005e83d430SRalf Baechle prompt "Kernel code model" 13015e83d430SRalf Baechle help 13025e83d430SRalf Baechle You should only select this option if you have a workload that 13035e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13045e83d430SRalf Baechle large memory. You will only be presented a single option in this 13055e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13065e83d430SRalf Baechle 13075e83d430SRalf Baechleconfig 32BIT 13085e83d430SRalf Baechle bool "32-bit kernel" 13095e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13105e83d430SRalf Baechle select TRAD_SIGNALS 13115e83d430SRalf Baechle help 13125e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13135e83d430SRalf Baechleconfig 64BIT 13145e83d430SRalf Baechle bool "64-bit kernel" 13155e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13165e83d430SRalf Baechle help 13175e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13185e83d430SRalf Baechle 13195e83d430SRalf Baechleendchoice 13205e83d430SRalf Baechle 13211da177e4SLinus Torvaldschoice 13221da177e4SLinus Torvalds prompt "Kernel page size" 13231da177e4SLinus Torvalds default PAGE_SIZE_4KB 13241da177e4SLinus Torvalds 13251da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13261da177e4SLinus Torvalds bool "4kB" 13271da177e4SLinus Torvalds help 13281da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13291da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13301da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13311da177e4SLinus Torvalds recommended for low memory systems. 13321da177e4SLinus Torvalds 13331da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13341da177e4SLinus Torvalds bool "8kB" 13351da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13361da177e4SLinus Torvalds help 13371da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13381da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13391da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13401da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13411da177e4SLinus Torvalds compatibility of user applications. 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13441da177e4SLinus Torvalds bool "16kB" 1345714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13461da177e4SLinus Torvalds help 13471da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1349714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1350714bfad6SRalf Baechle Linux distribution to support this. 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13531da177e4SLinus Torvalds bool "64kB" 13541da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13551da177e4SLinus Torvalds help 13561da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13571da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13581da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1359714bfad6SRalf Baechle writing this option is still high experimental. 13601da177e4SLinus Torvalds 13611da177e4SLinus Torvaldsendchoice 13621da177e4SLinus Torvalds 13631da177e4SLinus Torvaldsconfig BOARD_SCACHE 13641da177e4SLinus Torvalds bool 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13671da177e4SLinus Torvalds bool 13681da177e4SLinus Torvalds select BOARD_SCACHE 13691da177e4SLinus Torvalds 13709318c51aSChris Dearman# 13719318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13729318c51aSChris Dearman# 13739318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13749318c51aSChris Dearman bool 13759318c51aSChris Dearman select BOARD_SCACHE 13769318c51aSChris Dearman 13771da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13781da177e4SLinus Torvalds bool 13791da177e4SLinus Torvalds select BOARD_SCACHE 13801da177e4SLinus Torvalds 13811da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13821da177e4SLinus Torvalds bool 13831da177e4SLinus Torvalds select BOARD_SCACHE 13841da177e4SLinus Torvalds 13851da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13861da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13871da177e4SLinus Torvalds depends on CPU_SB1 13881da177e4SLinus Torvalds help 13891da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13901da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13911da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13921da177e4SLinus Torvalds 13931da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1394c8094b53SRalf Baechle bool 13951da177e4SLinus Torvalds 1396340ee4b9SRalf Baechlechoice 1397340ee4b9SRalf Baechle prompt "MIPS MT options" 1398f41ae0b2SRalf Baechle 1399f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1400f41ae0b2SRalf Baechle bool "Disable multithreading support." 1401f41ae0b2SRalf Baechle help 1402f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1403f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1404f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1405f41ae0b2SRalf Baechle option in this menu. 1406340ee4b9SRalf Baechle 140759d6ab86SRalf Baechleconfig MIPS_MT_SMP 140859d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 140959d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 141059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1411d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 141259d6ab86SRalf Baechle select CPU_MIPSR2_SRS 141359d6ab86SRalf Baechle select MIPS_MT 1414f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 141559d6ab86SRalf Baechle select SMP 141659d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 141759d6ab86SRalf Baechle help 141859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 141959d6ab86SRalf Baechle has been marketesed into SMVP. 142059d6ab86SRalf Baechle 142141c594abSRalf Baechleconfig MIPS_MT_SMTC 142241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1423f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1424f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1425f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1426ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1427f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1428d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1429f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1430f41ae0b2SRalf Baechle select MIPS_MT 1431130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 143241c594abSRalf Baechle select SMP 143373b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1434f41ae0b2SRalf Baechle help 1435f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1436f41ae0b2SRalf Baechle marketesed into SMVP. 143741c594abSRalf Baechle 1438340ee4b9SRalf Baechleendchoice 1439340ee4b9SRalf Baechle 1440f41ae0b2SRalf Baechleconfig MIPS_MT 1441f41ae0b2SRalf Baechle bool 1442f41ae0b2SRalf Baechle 1443f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1444f41ae0b2SRalf Baechle bool 1445f41ae0b2SRalf Baechle 1446f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1447f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1448f088fc84SRalf Baechle default y 144907cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 145007cc0c9eSRalf Baechle 145107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 145207cc0c9eSRalf Baechle bool "VPE loader support." 145307cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 145407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 145507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 145607cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 145707cc0c9eSRalf Baechle select MIPS_MT 145807cc0c9eSRalf Baechle help 145907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 146007cc0c9eSRalf Baechle onto another VPE and running it. 1461f088fc84SRalf Baechle 1462ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1463ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1464619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1465ac8be955SRalf Baechle default y 1466ac8be955SRalf Baechle help 1467ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1468ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1469ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1470ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1471ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1472ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1473ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1474ac8be955SRalf Baechle heavy I/O interrupt load. 1475ac8be955SRalf Baechle 14760db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14770db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14780db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14790db34215SKevin D. Kissell default y 14800db34215SKevin D. Kissell help 14810db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14820db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14830db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14840db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14850db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14860db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14870db34215SKevin D. Kissell what you are doing. 14880db34215SKevin D. Kissell 1489f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1490f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1491f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1492f571eff0SKevin D. Kissell default n 1493f571eff0SKevin D. Kissell help 1494f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1495f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1496f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1497f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1498f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1499f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1500f571eff0SKevin D. Kissell you are doing. 1501f571eff0SKevin D. Kissell 1502e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1503e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1504e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1505e01402b1SRalf Baechle default y 1506e01402b1SRalf Baechle help 1507e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1508e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1509e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1510e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1511e01402b1SRalf Baechle 1512e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1513e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1514e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1515e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15165e83d430SRalf Baechle help 1517e01402b1SRalf Baechle 15182600990eSRalf Baechleconfig MIPS_APSP_KSPD 15192600990eSRalf Baechle bool "Enable KSPD" 15202600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15212600990eSRalf Baechle default y 15222600990eSRalf Baechle help 15232600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15242600990eSRalf Baechle side, actions them and returns the results. It also handles the 15252600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15262600990eSRalf Baechle exiting. You probably want to say yes here. 15272600990eSRalf Baechle 15281da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15291da177e4SLinus Torvalds bool 15301da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15311da177e4SLinus Torvalds default y 15321da177e4SLinus Torvalds 15331da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15341da177e4SLinus Torvalds bool 15351da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15361da177e4SLinus Torvalds default y 15371da177e4SLinus Torvalds 15381da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 15391da177e4SLinus Torvalds bool 15401da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 15411da177e4SLinus Torvalds default y 15421da177e4SLinus Torvalds 15431da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1544d806cb2bSRalf Baechle bool 15451da177e4SLinus Torvalds 15461da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1547f7062ddbSRalf Baechle bool 15481da177e4SLinus Torvalds 15499693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15509693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15519693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15529693a853SFranck Bui-Huu help 15539693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15549693a853SFranck Bui-Huu increased security at both hardware and software level for 15559693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15569693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15579693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15589693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15599693a853SFranck Bui-Huu here. 15609693a853SFranck Bui-Huu 15611da177e4SLinus Torvaldsconfig CPU_HAS_WB 1562f7062ddbSRalf Baechle bool 1563e01402b1SRalf Baechle 15642a21c730SFuxin Zhangconfig 64BIT_CONTEXT 15652a21c730SFuxin Zhang bool "Save 64bit integer registers" 15662a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 15672a21c730SFuxin Zhang help 15682a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15692a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15702a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15712a21c730SFuxin Zhang those instructions to get correct result. 15722a21c730SFuxin Zhang 1573f41ae0b2SRalf Baechle# 1574f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1575f41ae0b2SRalf Baechle# 1576e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1577f41ae0b2SRalf Baechle bool 1578e01402b1SRalf Baechle 1579f41ae0b2SRalf Baechle# 1580f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1581f41ae0b2SRalf Baechle# 1582e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1583f41ae0b2SRalf Baechle bool 1584e01402b1SRalf Baechle 1585f41ae0b2SRalf Baechle# 1586f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1587f41ae0b2SRalf Baechle# 1588e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1589f41ae0b2SRalf Baechle bool 1590e01402b1SRalf Baechle 15911da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15921da177e4SLinus Torvalds bool 15931da177e4SLinus Torvalds depends on !CPU_R3000 15941da177e4SLinus Torvalds default y 15951da177e4SLinus Torvalds 1596ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1597ea580401SRalf Baechle bool 1598ea580401SRalf Baechle 15991da177e4SLinus Torvalds# 1600797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1601797798c1SRalf Baechle# 1602797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1603797798c1SRalf Baechle bool 1604797798c1SRalf Baechle default y 1605797798c1SRalf Baechle 1606797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1607797798c1SRalf Baechle bool 1608797798c1SRalf Baechle default y 1609797798c1SRalf Baechle 16100d7012a9SIngo Molnarconfig IRQ_PER_CPU 16110d7012a9SIngo Molnar bool 16120d7012a9SIngo Molnar 1613797798c1SRalf Baechle# 16141da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16151da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16161da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16171da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16181da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16191da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16201da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16211da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1622797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1623797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1624797798c1SRalf Baechle# support. 16251da177e4SLinus Torvalds# 16261da177e4SLinus Torvaldsconfig HIGHMEM 16271da177e4SLinus Torvalds bool "High Memory Support" 1628797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1629797798c1SRalf Baechle 1630797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1631797798c1SRalf Baechle bool 1632797798c1SRalf Baechle 1633797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1634797798c1SRalf Baechle bool 16351da177e4SLinus Torvalds 16369693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16379693a853SFranck Bui-Huu bool 16389693a853SFranck Bui-Huu 1639b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1640b4819b59SYoichi Yuasa def_bool y 1641b4819b59SYoichi Yuasa depends on !NUMA 1642b4819b59SYoichi Yuasa 1643d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1644d8cb4e11SRalf Baechle bool 1645d8cb4e11SRalf Baechle default y if SGI_IP27 1646d8cb4e11SRalf Baechle help 16473dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1648d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1649d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1650d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1651d8cb4e11SRalf Baechle 1652b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1653b1c6cd42SAtsushi Nemoto bool 16547de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 165531473747SAtsushi Nemoto 1656d8cb4e11SRalf Baechleconfig NUMA 1657d8cb4e11SRalf Baechle bool "NUMA Support" 1658d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1659d8cb4e11SRalf Baechle help 1660d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1661d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1662d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1663d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1664d8cb4e11SRalf Baechle disabled. 1665d8cb4e11SRalf Baechle 1666d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1667d8cb4e11SRalf Baechle bool 1668d8cb4e11SRalf Baechle 1669c80d79d7SYasunori Gotoconfig NODES_SHIFT 1670c80d79d7SYasunori Goto int 1671c80d79d7SYasunori Goto default "6" 1672c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1673c80d79d7SYasunori Goto 1674b4819b59SYoichi Yuasasource "mm/Kconfig" 1675b4819b59SYoichi Yuasa 16761da177e4SLinus Torvaldsconfig SMP 16771da177e4SLinus Torvalds bool "Multi-Processing support" 1678e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1679b4b30a5aSRalf Baechle select IRQ_PER_CPU 1680e73ea273SRalf Baechle help 16811da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16821da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16831da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16841da177e4SLinus Torvalds 16851da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16861da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16871da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16881da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16891da177e4SLinus Torvalds will run faster if you say N here. 16901da177e4SLinus Torvalds 16911da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16921da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16931da177e4SLinus Torvalds 16941da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16951da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16961da177e4SLinus Torvalds 16971da177e4SLinus Torvalds If you don't know what to do here, say N. 16981da177e4SLinus Torvalds 1699e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1700e73ea273SRalf Baechle bool 1701e73ea273SRalf Baechle 170272ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 170372ede9b1SAtsushi Nemoto bool 170472ede9b1SAtsushi Nemoto 1705130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1706130e2fb7SRalf Baechle bool 1707130e2fb7SRalf Baechle 1708130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1709130e2fb7SRalf Baechle bool 1710130e2fb7SRalf Baechle 1711130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1712130e2fb7SRalf Baechle bool 1713130e2fb7SRalf Baechle 1714130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1715130e2fb7SRalf Baechle bool 1716130e2fb7SRalf Baechle 1717130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1718130e2fb7SRalf Baechle bool 1719130e2fb7SRalf Baechle 1720130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1721130e2fb7SRalf Baechle bool 1722130e2fb7SRalf Baechle 17231da177e4SLinus Torvaldsconfig NR_CPUS 17241da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 172572ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17261da177e4SLinus Torvalds depends on SMP 172772ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1728130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1729130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1730130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1731130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1732130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1733130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 17341da177e4SLinus Torvalds help 17351da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 17361da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 17371da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 173872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 173972ede9b1SAtsushi Nemoto and 2 for all others. 17401da177e4SLinus Torvalds 17411da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 174272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 174372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 174472ede9b1SAtsushi Nemoto power of two. 17451da177e4SLinus Torvalds 17461723b4a3SAtsushi Nemoto# 17471723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 17481723b4a3SAtsushi Nemoto# 17491723b4a3SAtsushi Nemoto 17501723b4a3SAtsushi Nemotochoice 17511723b4a3SAtsushi Nemoto prompt "Timer frequency" 17521723b4a3SAtsushi Nemoto default HZ_250 17531723b4a3SAtsushi Nemoto help 17541723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 17551723b4a3SAtsushi Nemoto 17561723b4a3SAtsushi Nemoto config HZ_48 17571723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 17581723b4a3SAtsushi Nemoto 17591723b4a3SAtsushi Nemoto config HZ_100 17601723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17611723b4a3SAtsushi Nemoto 17621723b4a3SAtsushi Nemoto config HZ_128 17631723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17641723b4a3SAtsushi Nemoto 17651723b4a3SAtsushi Nemoto config HZ_250 17661723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17671723b4a3SAtsushi Nemoto 17681723b4a3SAtsushi Nemoto config HZ_256 17691723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17701723b4a3SAtsushi Nemoto 17711723b4a3SAtsushi Nemoto config HZ_1000 17721723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17731723b4a3SAtsushi Nemoto 17741723b4a3SAtsushi Nemoto config HZ_1024 17751723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17761723b4a3SAtsushi Nemoto 17771723b4a3SAtsushi Nemotoendchoice 17781723b4a3SAtsushi Nemoto 17791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17801723b4a3SAtsushi Nemoto bool 17811723b4a3SAtsushi Nemoto 17821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17831723b4a3SAtsushi Nemoto bool 17841723b4a3SAtsushi Nemoto 17851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17861723b4a3SAtsushi Nemoto bool 17871723b4a3SAtsushi Nemoto 17881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17891723b4a3SAtsushi Nemoto bool 17901723b4a3SAtsushi Nemoto 17911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17921723b4a3SAtsushi Nemoto bool 17931723b4a3SAtsushi Nemoto 17941723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17951723b4a3SAtsushi Nemoto bool 17961723b4a3SAtsushi Nemoto 17971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17981723b4a3SAtsushi Nemoto bool 17991723b4a3SAtsushi Nemoto 18001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18011723b4a3SAtsushi Nemoto bool 18021723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18031723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18041723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18051723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18061723b4a3SAtsushi Nemoto 18071723b4a3SAtsushi Nemotoconfig HZ 18081723b4a3SAtsushi Nemoto int 18091723b4a3SAtsushi Nemoto default 48 if HZ_48 18101723b4a3SAtsushi Nemoto default 100 if HZ_100 18111723b4a3SAtsushi Nemoto default 128 if HZ_128 18121723b4a3SAtsushi Nemoto default 250 if HZ_250 18131723b4a3SAtsushi Nemoto default 256 if HZ_256 18141723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18151723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18161723b4a3SAtsushi Nemoto 1817e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18201da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1821875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18221da177e4SLinus Torvalds help 18231da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18241da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18251da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18261da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18271da177e4SLinus Torvalds recommended for normal users. 18281da177e4SLinus Torvalds 1829ea6e942bSAtsushi Nemotoconfig KEXEC 1830ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1831ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1832ea6e942bSAtsushi Nemoto help 1833ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1834ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 18353dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1836ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1837ea6e942bSAtsushi Nemoto 183801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1839ea6e942bSAtsushi Nemoto 1840ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1841ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1842ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1843ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1844ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1845ea6e942bSAtsushi Nemoto 1846ea6e942bSAtsushi Nemotoconfig SECCOMP 1847ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1848293c5bd1SRalf Baechle depends on PROC_FS 1849ea6e942bSAtsushi Nemoto default y 1850ea6e942bSAtsushi Nemoto help 1851ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1852ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1853ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1854ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1855ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1856ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1857ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1858ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1859ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1860ea6e942bSAtsushi Nemoto 1861ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1862ea6e942bSAtsushi Nemoto 18635e83d430SRalf Baechleendmenu 18645e83d430SRalf Baechle 18651da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18661da177e4SLinus Torvalds bool 18671da177e4SLinus Torvalds default y 18681da177e4SLinus Torvalds 18691df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18701df0f0ffSAtsushi Nemoto bool 18711df0f0ffSAtsushi Nemoto default y 18721df0f0ffSAtsushi Nemoto 18731df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18741df0f0ffSAtsushi Nemoto bool 18751df0f0ffSAtsushi Nemoto default y 18761df0f0ffSAtsushi Nemoto 1877b6c3539bSRalf Baechlesource "init/Kconfig" 1878b6c3539bSRalf Baechle 18791da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18801da177e4SLinus Torvalds 18815e83d430SRalf Baechleconfig HW_HAS_EISA 18825e83d430SRalf Baechle bool 18831da177e4SLinus Torvaldsconfig HW_HAS_PCI 18841da177e4SLinus Torvalds bool 18851da177e4SLinus Torvalds 18861da177e4SLinus Torvaldsconfig PCI 18871da177e4SLinus Torvalds bool "Support for PCI controller" 18881da177e4SLinus Torvalds depends on HW_HAS_PCI 1889abb4ae46SRalf Baechle select PCI_DOMAINS 18901da177e4SLinus Torvalds help 18911da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18921da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18931da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18941da177e4SLinus Torvalds say Y, otherwise N. 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds The PCI-HOWTO, available from 18971da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18981da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18991da177e4SLinus Torvalds doesn't. 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvaldsconfig PCI_DOMAINS 19021da177e4SLinus Torvalds bool 19031da177e4SLinus Torvalds 19041da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19051da177e4SLinus Torvalds 19061da177e4SLinus Torvalds# 19071da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19081da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19091da177e4SLinus Torvalds# users to choose the right thing ... 19101da177e4SLinus Torvalds# 19111da177e4SLinus Torvaldsconfig ISA 19121da177e4SLinus Torvalds bool 19131da177e4SLinus Torvalds 19141da177e4SLinus Torvaldsconfig EISA 19151da177e4SLinus Torvalds bool "EISA support" 19165e83d430SRalf Baechle depends on HW_HAS_EISA 19171da177e4SLinus Torvalds select ISA 1918aa414dffSRalf Baechle select GENERIC_ISA_DMA 19191da177e4SLinus Torvalds ---help--- 19201da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19211da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19241da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19251da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19261da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19271da177e4SLinus Torvalds 19281da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19291da177e4SLinus Torvalds 19301da177e4SLinus Torvalds Otherwise, say N. 19311da177e4SLinus Torvalds 19321da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19331da177e4SLinus Torvalds 19341da177e4SLinus Torvaldsconfig TC 19351da177e4SLinus Torvalds bool "TURBOchannel support" 19361da177e4SLinus Torvalds depends on MACH_DECSTATION 19371da177e4SLinus Torvalds help 19381da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 19391da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 19401da177e4SLinus Torvalds is available at: 19411da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 19421da177e4SLinus Torvalds 19431da177e4SLinus Torvalds#config ACCESSBUS 19441da177e4SLinus Torvalds# bool "Access.Bus support" 19451da177e4SLinus Torvalds# depends on TC 19461da177e4SLinus Torvalds 19471da177e4SLinus Torvaldsconfig MMU 19481da177e4SLinus Torvalds bool 19491da177e4SLinus Torvalds default y 19501da177e4SLinus Torvalds 1951d865bea4SRalf Baechleconfig I8253 1952d865bea4SRalf Baechle bool 1953d865bea4SRalf Baechle 1954de61b542SRalf Baechleconfig PCSPEAKER 1955e5c6c8e4SMichael Neuling bool 1956e5c6c8e4SMichael Neuling 19571da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 19601da177e4SLinus Torvalds 19611da177e4SLinus Torvaldsendmenu 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvaldsmenu "Executable file formats" 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19681da177e4SLinus Torvalds bool 19691da177e4SLinus Torvalds 19701da177e4SLinus Torvaldsconfig BINFMT_IRIX 19711da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 19725e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 19731da177e4SLinus Torvalds 19741da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19751da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1976875d43e7SRalf Baechle depends on 64BIT 19771da177e4SLinus Torvalds help 19781da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19791da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19801da177e4SLinus Torvalds currently 32-bit you should say Y here. 19811da177e4SLinus Torvalds 19821da177e4SLinus Torvaldsconfig COMPAT 19831da177e4SLinus Torvalds bool 19841da177e4SLinus Torvalds depends on MIPS32_COMPAT 19851da177e4SLinus Torvalds default y 19861da177e4SLinus Torvalds 198705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 198805e43966SAtsushi Nemoto bool 198905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 199005e43966SAtsushi Nemoto default y 199105e43966SAtsushi Nemoto 19921da177e4SLinus Torvaldsconfig MIPS32_O32 19931da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19941da177e4SLinus Torvalds depends on MIPS32_COMPAT 19951da177e4SLinus Torvalds help 19961da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19971da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19981da177e4SLinus Torvalds existing binaries are in this format. 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvalds If unsure, say Y. 20011da177e4SLinus Torvalds 20021da177e4SLinus Torvaldsconfig MIPS32_N32 20031da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20041da177e4SLinus Torvalds depends on MIPS32_COMPAT 20051da177e4SLinus Torvalds help 20061da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20071da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20081da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20091da177e4SLinus Torvalds cases. 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvalds If unsure, say N. 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvaldsconfig BINFMT_ELF32 20141da177e4SLinus Torvalds bool 20151da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20161da177e4SLinus Torvalds 20172116245eSRalf Baechleendmenu 20181da177e4SLinus Torvalds 20192116245eSRalf Baechlemenu "Power management options" 2020952fa954SRodolfo Giometti 20212116245eSRalf Baechlesource "kernel/power/Kconfig" 2022952fa954SRodolfo Giometti 20231da177e4SLinus Torvaldsendmenu 20241da177e4SLinus Torvalds 2025d5950b43SSam Ravnborgsource "net/Kconfig" 2026d5950b43SSam Ravnborg 20271da177e4SLinus Torvaldssource "drivers/Kconfig" 20281da177e4SLinus Torvalds 20291da177e4SLinus Torvaldssource "fs/Kconfig" 20301da177e4SLinus Torvalds 203109cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 20325e83d430SRalf Baechle 20331da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvaldssource "security/Kconfig" 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvaldssource "crypto/Kconfig" 20381da177e4SLinus Torvalds 20391da177e4SLinus Torvaldssource "lib/Kconfig" 2040