11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4ec7748b5SSam Ravnborg select HAVE_IDE 542d4b839SMathieu Desnoyers select HAVE_OPROFILE 688547001SJason Wessel select HAVE_ARCH_KGDB 71da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 81da177e4SLinus Torvalds select EMBEDDED 990b02340SRalf Baechle select RTC_LIB 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsmenu "Machine selection" 141da177e4SLinus Torvalds 155ac6da66SChristoph Lameterconfig ZONE_DMA 165ac6da66SChristoph Lameter bool 175ac6da66SChristoph Lameter 185e83d430SRalf Baechlechoice 195e83d430SRalf Baechle prompt "System type" 205e83d430SRalf Baechle default SGI_IP22 211da177e4SLinus Torvalds 22c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 23c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 241da177e4SLinus Torvalds 2535189fadSRalf Baechleconfig BASLER_EXCITE 26be91589eSThomas Koeller bool "Basler eXcite smart camera" 2742f77542SRalf Baechle select CEVT_R4K 28940f6b48SRalf Baechle select CSRC_R4K 2935189fadSRalf Baechle select DMA_COHERENT 3035189fadSRalf Baechle select HW_HAS_PCI 3135189fadSRalf Baechle select IRQ_CPU 3235189fadSRalf Baechle select IRQ_CPU_RM7K 3335189fadSRalf Baechle select IRQ_CPU_RM9K 34663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3535189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3635189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3735189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3835189fadSRalf Baechle help 3935189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 40be91589eSThomas Koeller Basler Vision Technologies AG. 4135189fadSRalf Baechle 421c0c13ebSAurelien Jarnoconfig BCM47XX 431c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4442f77542SRalf Baechle select CEVT_R4K 45940f6b48SRalf Baechle select CSRC_R4K 461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 471c0c13ebSAurelien Jarno select HW_HAS_PCI 481c0c13ebSAurelien Jarno select IRQ_CPU 491c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 501c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 511c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 521c0c13ebSAurelien Jarno select SSB 531c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 542f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 55b06f3e19SAurelien Jarno select SSB_EMBEDDED 562f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 571c0c13ebSAurelien Jarno select GENERIC_GPIO 5825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5925e5fb97SAurelien Jarno select CFE 601c0c13ebSAurelien Jarno help 611c0c13ebSAurelien Jarno Support for BCM47XX based boards 621c0c13ebSAurelien Jarno 631da177e4SLinus Torvaldsconfig MIPS_COBALT 643fa986faSMartin Michlmayr bool "Cobalt Server" 6542f77542SRalf Baechle select CEVT_R4K 66940f6b48SRalf Baechle select CSRC_R4K 671097c6acSYoichi Yuasa select CEVT_GT641XX 681da177e4SLinus Torvalds select DMA_NONCOHERENT 691da177e4SLinus Torvalds select HW_HAS_PCI 70d865bea4SRalf Baechle select I8253 711da177e4SLinus Torvalds select I8259 721da177e4SLinus Torvalds select IRQ_CPU 73d5ab1a69SYoichi Yuasa select IRQ_GT641XX 74252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 757cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 760a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 77ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 780e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 795e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 809fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 811da177e4SLinus Torvalds 821da177e4SLinus Torvaldsconfig MACH_DECSTATION 833fa986faSMartin Michlmayr bool "DECstations" 841da177e4SLinus Torvalds select BOOT_ELF32 856457d9fcSYoichi Yuasa select CEVT_DS1287 8642f77542SRalf Baechle select CEVT_R4K 874247417dSYoichi Yuasa select CSRC_IOASIC 88940f6b48SRalf Baechle select CSRC_R4K 8920d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 9020d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 921da177e4SLinus Torvalds select DMA_NONCOHERENT 93d388d685SMaciej W. Rozycki select NO_IOPORT 941da177e4SLinus Torvalds select IRQ_CPU 957cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 967cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 97ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 98ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1001723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1011723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1021723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1035e83d430SRalf Baechle help 1041da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1051da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1061da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1091da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds DECstation 5000/50 1121da177e4SLinus Torvalds DECstation 5000/150 1131da177e4SLinus Torvalds DECstation 5000/260 1141da177e4SLinus Torvalds DECsystem 5900/260 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds otherwise choose R3000. 1171da177e4SLinus Torvalds 1185e83d430SRalf Baechleconfig MACH_JAZZ 1193fa986faSMartin Michlmayr bool "Jazz family of machines" 1205e83d430SRalf Baechle select ARC 1215e83d430SRalf Baechle select ARC32 1225e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12342f77542SRalf Baechle select CEVT_R4K 124940f6b48SRalf Baechle select CSRC_R4K 125e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1265e83d430SRalf Baechle select GENERIC_ISA_DMA 127ea202c63SThomas Bogendoerfer select IRQ_CPU 128d865bea4SRalf Baechle select I8253 1295e83d430SRalf Baechle select I8259 1305e83d430SRalf Baechle select ISA 1317cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1325e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1335e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1341723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1359fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1361da177e4SLinus Torvalds help 1375e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1385e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1395e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1405e83d430SRalf Baechle Olivetti M700-10 workstations. 1415e83d430SRalf Baechle 1421f21d2bdSBrian Murphyconfig LASAT 1431f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14442f77542SRalf Baechle select CEVT_R4K 145940f6b48SRalf Baechle select CSRC_R4K 1461f21d2bdSBrian Murphy select DMA_NONCOHERENT 1471f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1481f21d2bdSBrian Murphy select HW_HAS_PCI 149a5ccfe5cSRalf Baechle select IRQ_CPU 1501f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1511f21d2bdSBrian Murphy select MIPS_NILE4 1521f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1531f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1551f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1561f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1571f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1581f21d2bdSBrian Murphy 159ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 160ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 161ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16242f77542SRalf Baechle select CEVT_R4K 163940f6b48SRalf Baechle select CSRC_R4K 164ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 165ade299d8SYoichi Yuasa select DMA_NONCOHERENT 166ade299d8SYoichi Yuasa select BOOT_ELF32 167ade299d8SYoichi Yuasa select BOARD_SCACHE 168ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 169ade299d8SYoichi Yuasa select HW_HAS_PCI 170ade299d8SYoichi Yuasa select I8259 171ade299d8SYoichi Yuasa select ISA 172ade299d8SYoichi Yuasa select IRQ_CPU 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 174ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 175ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 176ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 177ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 178ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17923dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 180ade299d8SYoichi Yuasa select CPU_HAS_WB 181ade299d8SYoichi Yuasa help 182ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 183ade299d8SYoichi Yuasa an FPGA northbridge 184ade299d8SYoichi Yuasa 1851da177e4SLinus Torvaldsconfig MIPS_MALTA 1863fa986faSMartin Michlmayr bool "MIPS Malta board" 18761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1881da177e4SLinus Torvalds select BOOT_ELF32 189fa71c960SRalf Baechle select BOOT_RAW 19042f77542SRalf Baechle select CEVT_R4K 191940f6b48SRalf Baechle select CSRC_R4K 1921da177e4SLinus Torvalds select DMA_NONCOHERENT 1931da177e4SLinus Torvalds select GENERIC_ISA_DMA 194aa414dffSRalf Baechle select IRQ_CPU 19539b8d525SRalf Baechle select IRQ_GIC 1961da177e4SLinus Torvalds select HW_HAS_PCI 197d865bea4SRalf Baechle select I8253 1981da177e4SLinus Torvalds select I8259 1995e83d430SRalf Baechle select MIPS_BOARDS_GEN 2005e83d430SRalf Baechle select MIPS_BONITO64 2019318c51aSChris Dearman select MIPS_CPU_SCACHE 202252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2035e83d430SRalf Baechle select MIPS_MSC 2041da177e4SLinus Torvalds select SWAP_IO_SPACE 2057cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2067cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2077cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2087cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2097cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 21036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 212ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2154a16ff4cSRalf Baechle select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken 216f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2179693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2181da177e4SLinus Torvalds help 219f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2201da177e4SLinus Torvalds board. 2211da177e4SLinus Torvalds 222c78cbf49SRalf Baechleconfig MIPS_SIM 2233fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22442f77542SRalf Baechle select CEVT_R4K 225940f6b48SRalf Baechle select CSRC_R4K 226c78cbf49SRalf Baechle select DMA_NONCOHERENT 22736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 228c78cbf49SRalf Baechle select IRQ_CPU 2299267a30dSMarc St-Jean select BOOT_RAW 2307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2317cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 23236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 233c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 234c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 235f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 236c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 237c78cbf49SRalf Baechle help 238c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 239c78cbf49SRalf Baechle emulator. 240c78cbf49SRalf Baechle 241*a83860c2SRalf Baechleconfig NEC_MARKEINS 242*a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 243*a83860c2SRalf Baechle select SOC_EMMA2RH 244*a83860c2SRalf Baechle select HW_HAS_PCI 245*a83860c2SRalf Baechle help 246*a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 247ade299d8SYoichi Yuasa 2485e83d430SRalf Baechleconfig MACH_VR41XX 24974142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 25042f77542SRalf Baechle select CEVT_R4K 251940f6b48SRalf Baechle select CSRC_R4K 2527cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2539fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2545e83d430SRalf Baechle 255edb6310aSDaniel Lairdconfig NXP_STB220 256edb6310aSDaniel Laird bool "NXP STB220 board" 257edb6310aSDaniel Laird select SOC_PNX833X 258edb6310aSDaniel Laird help 259edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 260edb6310aSDaniel Laird 261edb6310aSDaniel Lairdconfig NXP_STB225 262edb6310aSDaniel Laird bool "NXP 225 board" 263edb6310aSDaniel Laird select SOC_PNX833X 264edb6310aSDaniel Laird select SOC_PNX8335 265edb6310aSDaniel Laird help 266edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 267edb6310aSDaniel Laird 268ade299d8SYoichi Yuasaconfig PNX8550_JBS 269a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 270ade299d8SYoichi Yuasa select PNX8550 271ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 272ade299d8SYoichi Yuasa 273ade299d8SYoichi Yuasaconfig PNX8550_STB810 274a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 275ade299d8SYoichi Yuasa select PNX8550 276ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 277ade299d8SYoichi Yuasa 2789267a30dSMarc St-Jeanconfig PMC_MSP 2799267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2809267a30dSMarc St-Jean depends on EXPERIMENTAL 2819267a30dSMarc St-Jean select DMA_NONCOHERENT 2829267a30dSMarc St-Jean select SWAP_IO_SPACE 2839267a30dSMarc St-Jean select NO_EXCEPT_FILL 2849267a30dSMarc St-Jean select BOOT_RAW 2859267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2869267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2879267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2889267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2899267a30dSMarc St-Jean select IRQ_CPU 2909267a30dSMarc St-Jean select SERIAL_8250 2919267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2929267a30dSMarc St-Jean help 2939267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2949267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2959267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2969267a30dSMarc St-Jean a variety of MIPS cores. 2979267a30dSMarc St-Jean 2985e83d430SRalf Baechleconfig PMC_YOSEMITE 2993fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 30042f77542SRalf Baechle select CEVT_R4K 301940f6b48SRalf Baechle select CSRC_R4K 3025e83d430SRalf Baechle select DMA_COHERENT 3035e83d430SRalf Baechle select HW_HAS_PCI 3045e83d430SRalf Baechle select IRQ_CPU 3055e83d430SRalf Baechle select IRQ_CPU_RM7K 3065e83d430SRalf Baechle select IRQ_CPU_RM9K 3075e83d430SRalf Baechle select SWAP_IO_SPACE 3087cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3105e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3115e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3135e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 314e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3155e83d430SRalf Baechle help 3165e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3175e83d430SRalf Baechle manufactured by PMC-Sierra. 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvaldsconfig SGI_IP22 3203fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3211da177e4SLinus Torvalds select ARC 3221da177e4SLinus Torvalds select ARC32 3231da177e4SLinus Torvalds select BOOT_ELF32 32442f77542SRalf Baechle select CEVT_R4K 325940f6b48SRalf Baechle select CSRC_R4K 326e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3271da177e4SLinus Torvalds select DMA_NONCOHERENT 3285e83d430SRalf Baechle select HW_HAS_EISA 329d865bea4SRalf Baechle select I8253 33068de4803SThomas Bogendoerfer select I8259 3311da177e4SLinus Torvalds select IP22_CPU_SCACHE 3321da177e4SLinus Torvalds select IRQ_CPU 333aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 334e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 335e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 33636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 337e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 338e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 339e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3401da177e4SLinus Torvalds select SWAP_IO_SPACE 3417cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3427cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 34336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 344ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 345ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3471da177e4SLinus Torvalds help 3481da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3491da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3501da177e4SLinus Torvalds that runs on these, say Y here. 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvaldsconfig SGI_IP27 3533fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3541da177e4SLinus Torvalds select ARC 3551da177e4SLinus Torvalds select ARC64 3565e83d430SRalf Baechle select BOOT_ELF64 357e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 358634286f1SRalf Baechle select DMA_COHERENT 35936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3601da177e4SLinus Torvalds select HW_HAS_PCI 361130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3627cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 363ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 365d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3661a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 367e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3681da177e4SLinus Torvalds help 3691da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3701da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3711da177e4SLinus Torvalds here. 3721da177e4SLinus Torvalds 373e2defae5SThomas Bogendoerferconfig SGI_IP28 374e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 375e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 376e2defae5SThomas Bogendoerfer select ARC 377e2defae5SThomas Bogendoerfer select ARC64 378e2defae5SThomas Bogendoerfer select BOOT_ELF64 379e2defae5SThomas Bogendoerfer select CEVT_R4K 380e2defae5SThomas Bogendoerfer select CSRC_R4K 381e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 382e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 383e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 384e2defae5SThomas Bogendoerfer select IRQ_CPU 385e2defae5SThomas Bogendoerfer select HW_HAS_EISA 386e2defae5SThomas Bogendoerfer select I8253 387e2defae5SThomas Bogendoerfer select I8259 388e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 389e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3905b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 391e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 392e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 393e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 394e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 395e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 396e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 397e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 398e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 399e2defae5SThomas Bogendoerfer help 400e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 401e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 402e2defae5SThomas Bogendoerfer 4031da177e4SLinus Torvaldsconfig SGI_IP32 404cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4051da177e4SLinus Torvalds select ARC 4061da177e4SLinus Torvalds select ARC32 4071da177e4SLinus Torvalds select BOOT_ELF32 40842f77542SRalf Baechle select CEVT_R4K 409940f6b48SRalf Baechle select CSRC_R4K 4101da177e4SLinus Torvalds select DMA_NONCOHERENT 4111da177e4SLinus Torvalds select HW_HAS_PCI 412dd67b155SRalf Baechle select IRQ_CPU 4131da177e4SLinus Torvalds select R5000_CPU_SCACHE 4141da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4157cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4167cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4177cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 418dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 419ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4205e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4211da177e4SLinus Torvalds help 4221da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4231da177e4SLinus Torvalds 424ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 425ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4265e83d430SRalf Baechle depends on EXPERIMENTAL 4275e83d430SRalf Baechle select BOOT_ELF32 4285e83d430SRalf Baechle select DMA_COHERENT 4295e83d430SRalf Baechle select SIBYTE_BCM1120 4305e83d430SRalf Baechle select SWAP_IO_SPACE 4317cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4345e83d430SRalf Baechle 435ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 436ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4375e83d430SRalf Baechle depends on EXPERIMENTAL 4385e83d430SRalf Baechle select BOOT_ELF32 4395e83d430SRalf Baechle select DMA_COHERENT 4405e83d430SRalf Baechle select SIBYTE_BCM1120 4415e83d430SRalf Baechle select SWAP_IO_SPACE 4427cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4455e83d430SRalf Baechle 4465e83d430SRalf Baechleconfig SIBYTE_CRHONE 4473fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4485e83d430SRalf Baechle depends on EXPERIMENTAL 4495e83d430SRalf Baechle select BOOT_ELF32 4505e83d430SRalf Baechle select DMA_COHERENT 4515e83d430SRalf Baechle select SIBYTE_BCM1125 4525e83d430SRalf Baechle select SWAP_IO_SPACE 4537cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4555e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4575e83d430SRalf Baechle 458ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 459ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 460ade299d8SYoichi Yuasa depends on EXPERIMENTAL 461ade299d8SYoichi Yuasa select BOOT_ELF32 462ade299d8SYoichi Yuasa select DMA_COHERENT 463ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 464ade299d8SYoichi Yuasa select SWAP_IO_SPACE 465ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 466ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 467ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 468ade299d8SYoichi Yuasa 469ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 470ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 471ade299d8SYoichi Yuasa select BOOT_ELF32 472ade299d8SYoichi Yuasa select DMA_COHERENT 473ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 474ade299d8SYoichi Yuasa select SIBYTE_SB1250 475ade299d8SYoichi Yuasa select SWAP_IO_SPACE 476ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 477ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 478ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 479ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 480cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 481ade299d8SYoichi Yuasa 482ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 483ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 484ade299d8SYoichi Yuasa depends on EXPERIMENTAL 485ade299d8SYoichi Yuasa select BOOT_ELF32 486ade299d8SYoichi Yuasa select DMA_COHERENT 487ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 488ade299d8SYoichi Yuasa select SIBYTE_SB1250 489ade299d8SYoichi Yuasa select SWAP_IO_SPACE 490ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 491ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 492ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 493ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 494ade299d8SYoichi Yuasa 495ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 496ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 497ade299d8SYoichi Yuasa depends on EXPERIMENTAL 498ade299d8SYoichi Yuasa select BOOT_ELF32 499ade299d8SYoichi Yuasa select DMA_COHERENT 500ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 501ade299d8SYoichi Yuasa select SIBYTE_SB1250 502ade299d8SYoichi Yuasa select SWAP_IO_SPACE 503ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 504ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 505ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 506ade299d8SYoichi Yuasa 507ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 508ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 509ade299d8SYoichi Yuasa select BOOT_ELF32 510ade299d8SYoichi Yuasa select DMA_COHERENT 511ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 512ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 513ade299d8SYoichi Yuasa select SWAP_IO_SPACE 514ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 515ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 516651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 517ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 518cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 519ade299d8SYoichi Yuasa 52014b36af4SThomas Bogendoerferconfig SNI_RM 52114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5224a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5234a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 524231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5255e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5265e83d430SRalf Baechle select BOOT_ELF32 52742f77542SRalf Baechle select CEVT_R4K 528940f6b48SRalf Baechle select CSRC_R4K 529e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5305e83d430SRalf Baechle select DMA_NONCOHERENT 5315e83d430SRalf Baechle select GENERIC_ISA_DMA 5325e83d430SRalf Baechle select HW_HAS_EISA 5335e83d430SRalf Baechle select HW_HAS_PCI 534c066a32aSThomas Bogendoerfer select IRQ_CPU 535d865bea4SRalf Baechle select I8253 5365e83d430SRalf Baechle select I8259 5375e83d430SRalf Baechle select ISA 5384a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5404a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 541c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5424a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 544ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5455e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5464a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5491da177e4SLinus Torvalds help 55014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5525e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5535e83d430SRalf Baechle support this machine type. 5541da177e4SLinus Torvalds 555edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 556edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5575e83d430SRalf Baechle 558edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 559edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 56023fbee9dSRalf Baechle 56173b4390fSRalf Baechleconfig MIKROTIK_RB532 56273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 56373b4390fSRalf Baechle select CEVT_R4K 56473b4390fSRalf Baechle select CSRC_R4K 56573b4390fSRalf Baechle select DMA_NONCOHERENT 56673b4390fSRalf Baechle select GENERIC_HARDIRQS_NO__DO_IRQ 56773b4390fSRalf Baechle select HW_HAS_PCI 56873b4390fSRalf Baechle select IRQ_CPU 56973b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 57073b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 57173b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 57273b4390fSRalf Baechle select SWAP_IO_SPACE 57373b4390fSRalf Baechle select BOOT_RAW 574d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 57573b4390fSRalf Baechle help 57673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57773b4390fSRalf Baechle based on the IDT RC32434 SoC. 57873b4390fSRalf Baechle 579ade299d8SYoichi Yuasaconfig WR_PPMC 580ade299d8SYoichi Yuasa bool "Wind River PPMC board" 58142f77542SRalf Baechle select CEVT_R4K 582940f6b48SRalf Baechle select CSRC_R4K 583ade299d8SYoichi Yuasa select IRQ_CPU 584ade299d8SYoichi Yuasa select BOOT_ELF32 585ade299d8SYoichi Yuasa select DMA_NONCOHERENT 586ade299d8SYoichi Yuasa select HW_HAS_PCI 587ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 588ade299d8SYoichi Yuasa select SWAP_IO_SPACE 589ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 590ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 591ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 592ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 593ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 594ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 595ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 596ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 597ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 598ade299d8SYoichi Yuasa help 599ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 600ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 601ade299d8SYoichi Yuasa 602a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 603a86c7f72SDavid Daney bool "Support for the Cavium Networks Octeon Simulator" 604a86c7f72SDavid Daney select CEVT_R4K 605a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 606a86c7f72SDavid Daney select DMA_COHERENT 607a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 608a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 609a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 6105e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 611a86c7f72SDavid Daney help 612a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 613a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 614a86c7f72SDavid Daney hardware. 615a86c7f72SDavid Daney 616a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 617a86c7f72SDavid Daney bool "Support for the Cavium Networks Octeon reference board" 618a86c7f72SDavid Daney select CEVT_R4K 619a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 620a86c7f72SDavid Daney select DMA_COHERENT 621a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 622a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 623a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 624a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6255e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 626a86c7f72SDavid Daney select SWAP_IO_SPACE 627a86c7f72SDavid Daney help 628a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 629a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 630a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 631a86c7f72SDavid Daney Some of the supported boards are: 632a86c7f72SDavid Daney EBT3000 633a86c7f72SDavid Daney EBH3000 634a86c7f72SDavid Daney EBH3100 635a86c7f72SDavid Daney Thunder 636a86c7f72SDavid Daney Kodama 637a86c7f72SDavid Daney Hikari 638a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 639a86c7f72SDavid Daney 6401da177e4SLinus Torvaldsendchoice 6411da177e4SLinus Torvalds 642e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6439c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6445e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6451f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6465e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6505e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 651a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 65238b18f72SRalf Baechle 6535e83d430SRalf Baechleendmenu 6545e83d430SRalf Baechle 6551da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6561da177e4SLinus Torvalds bool 6571da177e4SLinus Torvalds default y 6581da177e4SLinus Torvalds 6591da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6601da177e4SLinus Torvalds bool 6611da177e4SLinus Torvalds 662f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 663f0d1b0b3SDavid Howells bool 664f0d1b0b3SDavid Howells default n 665f0d1b0b3SDavid Howells 666f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 667f0d1b0b3SDavid Howells bool 668f0d1b0b3SDavid Howells default n 669f0d1b0b3SDavid Howells 67000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 67100a58253SRalf Baechle bool 67200a58253SRalf Baechle default y if !MIPS_MT_SMTC 67300a58253SRalf Baechle 6743c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6753c9ee7efSAkinobu Mita bool 6763c9ee7efSAkinobu Mita default y 6773c9ee7efSAkinobu Mita 6783c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6793c9ee7efSAkinobu Mita bool 6803c9ee7efSAkinobu Mita default y 6813c9ee7efSAkinobu Mita 6821da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6831da177e4SLinus Torvalds bool 6841da177e4SLinus Torvalds default y 6851da177e4SLinus Torvalds 6867bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6877bcf7717SRalf Baechle bool 6887bcf7717SRalf Baechle default y 6897bcf7717SRalf Baechle 6908db02010SRalf Baechleconfig GENERIC_TIME 6918db02010SRalf Baechle bool 6928db02010SRalf Baechle default y 6938db02010SRalf Baechle 694f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 695f5ff0a28SRalf Baechle bool 696f5ff0a28SRalf Baechle default y 697f5ff0a28SRalf Baechle 698ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6991cc89038SAtsushi Nemoto bool 7001cc89038SAtsushi Nemoto default y 7011cc89038SAtsushi Nemoto 702e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 703e77c232cSFranck Bui-Huu bool 704e77c232cSFranck Bui-Huu default n 705e77c232cSFranck Bui-Huu 7061da177e4SLinus Torvalds# 7071da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7081da177e4SLinus Torvalds# 7091da177e4SLinus Torvaldsconfig ARC 7101da177e4SLinus Torvalds bool 7111da177e4SLinus Torvalds 71261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 71361ed242dSRalf Baechle bool 71461ed242dSRalf Baechle 7159267a30dSMarc St-Jeanconfig BOOT_RAW 7169267a30dSMarc St-Jean bool 7179267a30dSMarc St-Jean 718217dd11eSRalf Baechleconfig CEVT_BCM1480 719217dd11eSRalf Baechle bool 720217dd11eSRalf Baechle 7216457d9fcSYoichi Yuasaconfig CEVT_DS1287 7226457d9fcSYoichi Yuasa bool 7236457d9fcSYoichi Yuasa 7241097c6acSYoichi Yuasaconfig CEVT_GT641XX 7251097c6acSYoichi Yuasa bool 7261097c6acSYoichi Yuasa 727779e7d41SManuel Laussconfig CEVT_R4K_LIB 728779e7d41SManuel Lauss bool 729779e7d41SManuel Lauss 73042f77542SRalf Baechleconfig CEVT_R4K 731779e7d41SManuel Lauss select CEVT_R4K_LIB 73242f77542SRalf Baechle bool 73342f77542SRalf Baechle 734217dd11eSRalf Baechleconfig CEVT_SB1250 735217dd11eSRalf Baechle bool 736217dd11eSRalf Baechle 737229f773eSAtsushi Nemotoconfig CEVT_TXX9 738229f773eSAtsushi Nemoto bool 739229f773eSAtsushi Nemoto 740217dd11eSRalf Baechleconfig CSRC_BCM1480 741217dd11eSRalf Baechle bool 742217dd11eSRalf Baechle 7434247417dSYoichi Yuasaconfig CSRC_IOASIC 7444247417dSYoichi Yuasa bool 7454247417dSYoichi Yuasa 746779e7d41SManuel Laussconfig CSRC_R4K_LIB 747779e7d41SManuel Lauss bool 748779e7d41SManuel Lauss 749940f6b48SRalf Baechleconfig CSRC_R4K 750779e7d41SManuel Lauss select CSRC_R4K_LIB 751940f6b48SRalf Baechle bool 752940f6b48SRalf Baechle 753217dd11eSRalf Baechleconfig CSRC_SB1250 754217dd11eSRalf Baechle bool 755217dd11eSRalf Baechle 756a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 757a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7587444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 759a9aec7feSAtsushi Nemoto bool 760a9aec7feSAtsushi Nemoto 761df78b5c8SAurelien Jarnoconfig CFE 762df78b5c8SAurelien Jarno bool 763df78b5c8SAurelien Jarno 7641da177e4SLinus Torvaldsconfig DMA_COHERENT 7651da177e4SLinus Torvalds bool 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7681da177e4SLinus Torvalds bool 7694ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7704ce588cdSRalf Baechle 7714ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7724ce588cdSRalf Baechle bool 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvaldsconfig EARLY_PRINTK 77536a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 77636a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77736a88530SRalf Baechle default y 77836a88530SRalf Baechle help 77936a88530SRalf Baechle This option enables special console drivers which allow the kernel 78036a88530SRalf Baechle to print messages very early in the bootup process. 78136a88530SRalf Baechle 78236a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 783490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 784490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 785490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 78636a88530SRalf Baechle unless you want to debug such a crash. 78736a88530SRalf Baechle 78836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7891da177e4SLinus Torvalds bool 7901da177e4SLinus Torvalds 791dbb74540SRalf Baechleconfig HOTPLUG_CPU 792dbb74540SRalf Baechle bool 793dbb74540SRalf Baechle default n 794dbb74540SRalf Baechle 7951da177e4SLinus Torvaldsconfig I8259 7961da177e4SLinus Torvalds bool 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvaldsconfig MIPS_BONITO64 7991da177e4SLinus Torvalds bool 8001da177e4SLinus Torvalds 8011da177e4SLinus Torvaldsconfig MIPS_MSC 8021da177e4SLinus Torvalds bool 8031da177e4SLinus Torvalds 8041f21d2bdSBrian Murphyconfig MIPS_NILE4 8051f21d2bdSBrian Murphy bool 8061f21d2bdSBrian Murphy 8071da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8081da177e4SLinus Torvalds bool 8091da177e4SLinus Torvalds 81039b8d525SRalf Baechleconfig SYNC_R4K 81139b8d525SRalf Baechle bool 81239b8d525SRalf Baechle 813d388d685SMaciej W. Rozyckiconfig NO_IOPORT 814d388d685SMaciej W. Rozycki def_bool n 815d388d685SMaciej W. Rozycki 8168313da30SRalf Baechleconfig GENERIC_ISA_DMA 8178313da30SRalf Baechle bool 8188313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8198313da30SRalf Baechle 820aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 821aa414dffSRalf Baechle bool 8228313da30SRalf Baechle select GENERIC_ISA_DMA 823aa414dffSRalf Baechle 82409663335SYoichi Yuasaconfig GENERIC_GPIO 82509663335SYoichi Yuasa bool 82609663335SYoichi Yuasa 8275e83d430SRalf Baechle# 8283cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8295e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8305e83d430SRalf Baechle# choice statement should be more obvious to the user. 8315e83d430SRalf Baechle# 8325e83d430SRalf Baechlechoice 8335e83d430SRalf Baechle prompt "Endianess selection" 8341da177e4SLinus Torvalds help 8351da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8365e83d430SRalf Baechle byte order. These modes require different kernels and a different 8373cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8385e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8393dde6ad8SDavid Sterba one or the other endianness. 8405e83d430SRalf Baechle 8415e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8425e83d430SRalf Baechle bool "Big endian" 8435e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8445e83d430SRalf Baechle 8455e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8465e83d430SRalf Baechle bool "Little endian" 8475e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8485e83d430SRalf Baechle help 8495e83d430SRalf Baechle 8505e83d430SRalf Baechleendchoice 8515e83d430SRalf Baechle 8522116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8532116245eSRalf Baechle bool 8542116245eSRalf Baechle 8555e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8565e83d430SRalf Baechle bool 8575e83d430SRalf Baechle 8585e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8595e83d430SRalf Baechle bool 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvaldsconfig IRQ_CPU 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8651da177e4SLinus Torvalds bool 8661da177e4SLinus Torvalds 8675e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8685e83d430SRalf Baechle bool 8695e83d430SRalf Baechle 8709267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8719267a30dSMarc St-Jean bool 8729267a30dSMarc St-Jean 8739267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8749267a30dSMarc St-Jean bool 8759267a30dSMarc St-Jean 8768420fd00SAtsushi Nemotoconfig IRQ_TXX9 8778420fd00SAtsushi Nemoto bool 8788420fd00SAtsushi Nemoto 879d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 880d5ab1a69SYoichi Yuasa bool 881d5ab1a69SYoichi Yuasa 88239b8d525SRalf Baechleconfig IRQ_GIC 88339b8d525SRalf Baechle bool 88439b8d525SRalf Baechle 885a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 886a86c7f72SDavid Daney bool 887a86c7f72SDavid Daney 8881da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8891da177e4SLinus Torvalds bool 8901da177e4SLinus Torvalds 891252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8921da177e4SLinus Torvalds bool 8931da177e4SLinus Torvalds 8949267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8959267a30dSMarc St-Jean bool 8969267a30dSMarc St-Jean 897663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 898663c3d90Sthomas@koeller.dyndns.org bool 899663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 900663c3d90Sthomas@koeller.dyndns.org 901*a83860c2SRalf Baechleconfig SOC_EMMA2RH 902*a83860c2SRalf Baechle bool 903*a83860c2SRalf Baechle select CEVT_R4K 904*a83860c2SRalf Baechle select CSRC_R4K 905*a83860c2SRalf Baechle select DMA_NONCOHERENT 906*a83860c2SRalf Baechle select IRQ_CPU 907*a83860c2SRalf Baechle select SWAP_IO_SPACE 908*a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 909*a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 910*a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 911*a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 912*a83860c2SRalf Baechle 913edb6310aSDaniel Lairdconfig SOC_PNX833X 914edb6310aSDaniel Laird bool 915edb6310aSDaniel Laird select CEVT_R4K 916edb6310aSDaniel Laird select CSRC_R4K 917edb6310aSDaniel Laird select IRQ_CPU 918edb6310aSDaniel Laird select DMA_NONCOHERENT 919edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 920edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 921edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 922edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 923edb6310aSDaniel Laird select GENERIC_HARDIRQS_NO__DO_IRQ 924edb6310aSDaniel Laird select GENERIC_GPIO 925edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 926edb6310aSDaniel Laird 927edb6310aSDaniel Lairdconfig SOC_PNX8335 928edb6310aSDaniel Laird bool 929edb6310aSDaniel Laird select SOC_PNX833X 930edb6310aSDaniel Laird 931bdf21b18SPete Popovconfig PNX8550 932bdf21b18SPete Popov bool 933bdf21b18SPete Popov select SOC_PNX8550 934bdf21b18SPete Popov 935bdf21b18SPete Popovconfig SOC_PNX8550 936bdf21b18SPete Popov bool 937bdf21b18SPete Popov select DMA_NONCOHERENT 938bdf21b18SPete Popov select HW_HAS_PCI 939b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9417cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 942e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 9434ead1681SFlorian Fainelli select GENERIC_GPIO 944bdf21b18SPete Popov 9451da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9461da177e4SLinus Torvalds bool 9471da177e4SLinus Torvalds 948663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 949663c3d90Sthomas@koeller.dyndns.org bool 950663c3d90Sthomas@koeller.dyndns.org 951e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 952e2defae5SThomas Bogendoerfer bool 953e2defae5SThomas Bogendoerfer 9545b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9555b438c44SThomas Bogendoerfer bool 9565b438c44SThomas Bogendoerfer 957e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 958e2defae5SThomas Bogendoerfer bool 959e2defae5SThomas Bogendoerfer 960e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 961e2defae5SThomas Bogendoerfer bool 962e2defae5SThomas Bogendoerfer 963e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 964e2defae5SThomas Bogendoerfer bool 965e2defae5SThomas Bogendoerfer 966e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 967e2defae5SThomas Bogendoerfer bool 968e2defae5SThomas Bogendoerfer 969e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 970e2defae5SThomas Bogendoerfer bool 971e2defae5SThomas Bogendoerfer 9725e83d430SRalf Baechleconfig ARC32 9735e83d430SRalf Baechle bool 9745e83d430SRalf Baechle 975231a35d3SThomas Bogendoerferconfig SNIPROM 976231a35d3SThomas Bogendoerfer bool 977231a35d3SThomas Bogendoerfer 9781da177e4SLinus Torvaldsconfig BOOT_ELF32 9791da177e4SLinus Torvalds bool 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9821da177e4SLinus Torvalds int 98373b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 984a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9859267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9861da177e4SLinus Torvalds default "5" 9871da177e4SLinus Torvalds 9881da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9891da177e4SLinus Torvalds bool 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvaldsconfig ARC_CONSOLE 9921da177e4SLinus Torvalds bool "ARC console support" 993e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9941da177e4SLinus Torvalds 9951da177e4SLinus Torvaldsconfig ARC_MEMORY 9961da177e4SLinus Torvalds bool 99714b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9981da177e4SLinus Torvalds default y 9991da177e4SLinus Torvalds 10001da177e4SLinus Torvaldsconfig ARC_PROMLIB 10011da177e4SLinus Torvalds bool 1002e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10031da177e4SLinus Torvalds default y 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvaldsconfig ARC64 10061da177e4SLinus Torvalds bool 10071da177e4SLinus Torvalds 10081da177e4SLinus Torvaldsconfig BOOT_ELF64 10091da177e4SLinus Torvalds bool 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsmenu "CPU selection" 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvaldschoice 10141da177e4SLinus Torvalds prompt "CPU type" 10151da177e4SLinus Torvalds default CPU_R4X00 10161da177e4SLinus Torvalds 10172a21c730SFuxin Zhangconfig CPU_LOONGSON2 10182a21c730SFuxin Zhang bool "Loongson 2" 10192a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10202a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10212a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10222a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10232a21c730SFuxin Zhang help 10242a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10252a21c730SFuxin Zhang with many extensions. 10262a21c730SFuxin Zhang 10276e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10286e760c8dSRalf Baechle bool "MIPS32 Release 1" 10297cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1030f7062ddbSRalf Baechle select CPU_HAS_LLSC 10316e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1032797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1033ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10346e760c8dSRalf Baechle help 10355e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10361e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10371e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10381e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10391e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10401e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10411e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10421e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10431e5f1caaSRalf Baechle performance. 10441e5f1caaSRalf Baechle 10451e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10461e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1048f7062ddbSRalf Baechle select CPU_HAS_LLSC 10491e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1050797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1051ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10521e5f1caaSRalf Baechle help 10535e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10546e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10556e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10566e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10576e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10581da177e4SLinus Torvalds 10596e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10606e760c8dSRalf Baechle bool "MIPS64 Release 1" 10617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1062f7062ddbSRalf Baechle select CPU_HAS_LLSC 1063797798c1SRalf Baechle select CPU_HAS_PREFETCH 1064ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1065ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1066ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10676e760c8dSRalf Baechle help 10686e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10696e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10706e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10716e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10726e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10731e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10741e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10751e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10761e5f1caaSRalf Baechle performance. 10771e5f1caaSRalf Baechle 10781e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10791e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10807cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1081f7062ddbSRalf Baechle select CPU_HAS_LLSC 1082797798c1SRalf Baechle select CPU_HAS_PREFETCH 10831e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10841e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1085ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10861e5f1caaSRalf Baechle help 10871e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10881e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10891e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10901e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10911e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10921da177e4SLinus Torvalds 10931da177e4SLinus Torvaldsconfig CPU_R3000 10941da177e4SLinus Torvalds bool "R3000" 10957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1096f7062ddbSRalf Baechle select CPU_HAS_WB 1097ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1098797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10991da177e4SLinus Torvalds help 11001da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11011da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11021da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11031da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11041da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11051da177e4SLinus Torvalds try to recompile with R3000. 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvaldsconfig CPU_TX39XX 11081da177e4SLinus Torvalds bool "R39XX" 11097cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvaldsconfig CPU_VR41XX 11131da177e4SLinus Torvalds bool "R41xx" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1115ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1116ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11171da177e4SLinus Torvalds help 11185e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11191da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11201da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11211da177e4SLinus Torvalds processor or vice versa. 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_R4300 11241da177e4SLinus Torvalds bool "R4300" 11257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1126f7062ddbSRalf Baechle select CPU_HAS_LLSC 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1128ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11291da177e4SLinus Torvalds help 11301da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvaldsconfig CPU_R4X00 11331da177e4SLinus Torvalds bool "R4x00" 11347cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1135f7062ddbSRalf Baechle select CPU_HAS_LLSC 1136ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1137ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11381da177e4SLinus Torvalds help 11391da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11401da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvaldsconfig CPU_TX49XX 11431da177e4SLinus Torvalds bool "R49XX" 11447cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1145f7062ddbSRalf Baechle select CPU_HAS_LLSC 1146de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvaldsconfig CPU_R5000 11511da177e4SLinus Torvalds bool "R5000" 11527cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1153f7062ddbSRalf Baechle select CPU_HAS_LLSC 1154ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1155ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11561da177e4SLinus Torvalds help 11571da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11581da177e4SLinus Torvalds 11591da177e4SLinus Torvaldsconfig CPU_R5432 11601da177e4SLinus Torvalds bool "R5432" 11617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1162f7062ddbSRalf Baechle select CPU_HAS_LLSC 11635e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11645e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11651da177e4SLinus Torvalds 1166542c1020SShinya Kuribayashiconfig CPU_R5500 1167542c1020SShinya Kuribayashi bool "R5500" 1168542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1169542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1170542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1171542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 1172542c1020SShinya Kuribayashi help 1173542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1174542c1020SShinya Kuribayashi instruction set. 1175542c1020SShinya Kuribayashi 11761da177e4SLinus Torvaldsconfig CPU_R6000 11771da177e4SLinus Torvalds bool "R6000" 1178ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1179f7062ddbSRalf Baechle select CPU_HAS_LLSC 11807cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1181ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11821da177e4SLinus Torvalds help 11831da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1184c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvaldsconfig CPU_NEVADA 11871da177e4SLinus Torvalds bool "RM52xx" 11887cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1189f7062ddbSRalf Baechle select CPU_HAS_LLSC 1190ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1191ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11921da177e4SLinus Torvalds help 11931da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11941da177e4SLinus Torvalds 11951da177e4SLinus Torvaldsconfig CPU_R8000 11961da177e4SLinus Torvalds bool "R8000" 1197ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11987cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1199f7062ddbSRalf Baechle select CPU_HAS_LLSC 12005e83d430SRalf Baechle select CPU_HAS_PREFETCH 1201ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12021da177e4SLinus Torvalds help 12031da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12041da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvaldsconfig CPU_R10000 12071da177e4SLinus Torvalds bool "R10000" 12087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1209f7062ddbSRalf Baechle select CPU_HAS_LLSC 12105e83d430SRalf Baechle select CPU_HAS_PREFETCH 1211ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1213797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12141da177e4SLinus Torvalds help 12151da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvaldsconfig CPU_RM7000 12181da177e4SLinus Torvalds bool "RM7000" 12197cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1220f7062ddbSRalf Baechle select CPU_HAS_LLSC 12215e83d430SRalf Baechle select CPU_HAS_PREFETCH 1222ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1224797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12251da177e4SLinus Torvalds 12261da177e4SLinus Torvaldsconfig CPU_RM9000 12271da177e4SLinus Torvalds bool "RM9000" 12287cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1229f7062ddbSRalf Baechle select CPU_HAS_LLSC 12305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1231ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1233797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12340004a9dfSRalf Baechle select WEAK_ORDERING 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvaldsconfig CPU_SB1 12371da177e4SLinus Torvalds bool "SB1" 12387cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1239f7062ddbSRalf Baechle select CPU_HAS_LLSC 1240ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1242797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12430004a9dfSRalf Baechle select WEAK_ORDERING 12441da177e4SLinus Torvalds 1245a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1246a86c7f72SDavid Daney bool "Cavium Octeon processor" 12475e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1248a86c7f72SDavid Daney select IRQ_CPU 1249a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1250a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1251a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1252a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1253a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1254a86c7f72SDavid Daney select WEAK_ORDERING 1255a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1256a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 1257a86c7f72SDavid Daney help 1258a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1259a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1260a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1261a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1262a86c7f72SDavid Daney 12631da177e4SLinus Torvaldsendchoice 12641da177e4SLinus Torvalds 12652a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12662a21c730SFuxin Zhang bool 12672a21c730SFuxin Zhang 12687cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12697cf8053bSRalf Baechle bool 12707cf8053bSRalf Baechle 12717cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12727cf8053bSRalf Baechle bool 12737cf8053bSRalf Baechle 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 1304542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1305542c1020SShinya Kuribayashi bool 1306542c1020SShinya Kuribayashi 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13197cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13207cf8053bSRalf Baechle bool 13217cf8053bSRalf Baechle 13227cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13237cf8053bSRalf Baechle bool 13247cf8053bSRalf Baechle 13257cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13267cf8053bSRalf Baechle bool 13277cf8053bSRalf Baechle 13285e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13295e683389SDavid Daney bool 13305e683389SDavid Daney 133117099b11SRalf Baechle# 133217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 133317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 133417099b11SRalf Baechle# 13350004a9dfSRalf Baechleconfig WEAK_ORDERING 13360004a9dfSRalf Baechle bool 133717099b11SRalf Baechle 133817099b11SRalf Baechle# 133917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 134017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 134117099b11SRalf Baechle# 134217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 134317099b11SRalf Baechle bool 13445e83d430SRalf Baechleendmenu 13455e83d430SRalf Baechle 13465e83d430SRalf Baechle# 13475e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13485e83d430SRalf Baechle# 13495e83d430SRalf Baechleconfig CPU_MIPS32 13505e83d430SRalf Baechle bool 13515e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13525e83d430SRalf Baechle 13535e83d430SRalf Baechleconfig CPU_MIPS64 13545e83d430SRalf Baechle bool 13555e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13565e83d430SRalf Baechle 13575e83d430SRalf Baechle# 1358c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13595e83d430SRalf Baechle# 13605e83d430SRalf Baechleconfig CPU_MIPSR1 13615e83d430SRalf Baechle bool 13625e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13635e83d430SRalf Baechle 13645e83d430SRalf Baechleconfig CPU_MIPSR2 13655e83d430SRalf Baechle bool 1366a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13675e83d430SRalf Baechle 13685e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13695e83d430SRalf Baechle bool 13705e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13715e83d430SRalf Baechle bool 13725e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13735e83d430SRalf Baechle bool 13745e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13755e83d430SRalf Baechle bool 13765e83d430SRalf Baechle 13778192c9eaSDavid Daney# 13788192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13798192c9eaSDavid Daney# 13808192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13818192c9eaSDavid Daney bool 1382f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 13838192c9eaSDavid Daney 13845e83d430SRalf Baechlemenu "Kernel type" 13855e83d430SRalf Baechle 13865e83d430SRalf Baechlechoice 13875e83d430SRalf Baechle 13885e83d430SRalf Baechle prompt "Kernel code model" 13895e83d430SRalf Baechle help 13905e83d430SRalf Baechle You should only select this option if you have a workload that 13915e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13925e83d430SRalf Baechle large memory. You will only be presented a single option in this 13935e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13945e83d430SRalf Baechle 13955e83d430SRalf Baechleconfig 32BIT 13965e83d430SRalf Baechle bool "32-bit kernel" 13975e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13985e83d430SRalf Baechle select TRAD_SIGNALS 13995e83d430SRalf Baechle help 14005e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 14015e83d430SRalf Baechleconfig 64BIT 14025e83d430SRalf Baechle bool "64-bit kernel" 14035e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1404dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 14055e83d430SRalf Baechle help 14065e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 14075e83d430SRalf Baechle 14085e83d430SRalf Baechleendchoice 14095e83d430SRalf Baechle 14101da177e4SLinus Torvaldschoice 14111da177e4SLinus Torvalds prompt "Kernel page size" 14121da177e4SLinus Torvalds default PAGE_SIZE_4KB 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14151da177e4SLinus Torvalds bool "4kB" 14161da177e4SLinus Torvalds help 14171da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14181da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14191da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14201da177e4SLinus Torvalds recommended for low memory systems. 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14231da177e4SLinus Torvalds bool "8kB" 14241da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14251da177e4SLinus Torvalds help 14261da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14271da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14281da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14291da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14301da177e4SLinus Torvalds compatibility of user applications. 14311da177e4SLinus Torvalds 14321da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14331da177e4SLinus Torvalds bool "16kB" 1434714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14351da177e4SLinus Torvalds help 14361da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14371da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1438714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1439714bfad6SRalf Baechle Linux distribution to support this. 14401da177e4SLinus Torvalds 14411da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14421da177e4SLinus Torvalds bool "64kB" 14431da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14441da177e4SLinus Torvalds help 14451da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14461da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14471da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1448714bfad6SRalf Baechle writing this option is still high experimental. 14491da177e4SLinus Torvalds 14501da177e4SLinus Torvaldsendchoice 14511da177e4SLinus Torvalds 14521da177e4SLinus Torvaldsconfig BOARD_SCACHE 14531da177e4SLinus Torvalds bool 14541da177e4SLinus Torvalds 14551da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14561da177e4SLinus Torvalds bool 14571da177e4SLinus Torvalds select BOARD_SCACHE 14581da177e4SLinus Torvalds 14599318c51aSChris Dearman# 14609318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14619318c51aSChris Dearman# 14629318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14639318c51aSChris Dearman bool 14649318c51aSChris Dearman select BOARD_SCACHE 14659318c51aSChris Dearman 14661da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14671da177e4SLinus Torvalds bool 14681da177e4SLinus Torvalds select BOARD_SCACHE 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14711da177e4SLinus Torvalds bool 14721da177e4SLinus Torvalds select BOARD_SCACHE 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14751da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14761da177e4SLinus Torvalds depends on CPU_SB1 14771da177e4SLinus Torvalds help 14781da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14791da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14801da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1483c8094b53SRalf Baechle bool 14841da177e4SLinus Torvalds 1485340ee4b9SRalf Baechlechoice 1486340ee4b9SRalf Baechle prompt "MIPS MT options" 1487f41ae0b2SRalf Baechle 1488f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1489f41ae0b2SRalf Baechle bool "Disable multithreading support." 1490f41ae0b2SRalf Baechle help 1491f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1492f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1493f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1494f41ae0b2SRalf Baechle option in this menu. 1495340ee4b9SRalf Baechle 149659d6ab86SRalf Baechleconfig MIPS_MT_SMP 149759d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 149859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 149959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1500d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 150159d6ab86SRalf Baechle select MIPS_MT 1502f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 150359d6ab86SRalf Baechle select SMP 15040ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 150559d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 150687353d8aSRalf Baechle select SMP_UP 150759d6ab86SRalf Baechle help 150859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 150959d6ab86SRalf Baechle has been marketesed into SMVP. 151059d6ab86SRalf Baechle 151141c594abSRalf Baechleconfig MIPS_MT_SMTC 151241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1513f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1514f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1515f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1516f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1517d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1518f41ae0b2SRalf Baechle select MIPS_MT 1519130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 152041c594abSRalf Baechle select SMP 152173b76c78SRalf Baechle select SYS_SUPPORTS_SMP 152287353d8aSRalf Baechle select SMP_UP 1523f41ae0b2SRalf Baechle help 1524f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1525f41ae0b2SRalf Baechle marketesed into SMVP. 152641c594abSRalf Baechle 1527340ee4b9SRalf Baechleendchoice 1528340ee4b9SRalf Baechle 1529f41ae0b2SRalf Baechleconfig MIPS_MT 1530f41ae0b2SRalf Baechle bool 1531f41ae0b2SRalf Baechle 15320ab7aefcSRalf Baechleconfig SCHED_SMT 15330ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15340ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15350ab7aefcSRalf Baechle default n 15360ab7aefcSRalf Baechle help 15370ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15380ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15390ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15400ab7aefcSRalf Baechle 15410ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15420ab7aefcSRalf Baechle bool 15430ab7aefcSRalf Baechle 15440ab7aefcSRalf Baechle 1545f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1546f41ae0b2SRalf Baechle bool 1547f41ae0b2SRalf Baechle 1548f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1549f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1550f088fc84SRalf Baechle default y 155107cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 155207cc0c9eSRalf Baechle 155307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 155407cc0c9eSRalf Baechle bool "VPE loader support." 155507cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 155607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 155707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 155807cc0c9eSRalf Baechle select MIPS_MT 155907cc0c9eSRalf Baechle help 156007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 156107cc0c9eSRalf Baechle onto another VPE and running it. 1562f088fc84SRalf Baechle 15630db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15640db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15650db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15668531a35eSKevin D. Kissell default n 15670db34215SKevin D. Kissell help 15680db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15690db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15700db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15710db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15720db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15738531a35eSKevin D. Kissell impact on interrupt service overhead. 15740db34215SKevin D. Kissell 1575f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1576f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1577f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1578f571eff0SKevin D. Kissell default n 1579f571eff0SKevin D. Kissell help 1580f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1581f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1582f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 15838531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 15848531a35eSKevin D. Kissell should be used only if you know what you are doing. 1585f571eff0SKevin D. Kissell 1586e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1587e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1588e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1589e01402b1SRalf Baechle default y 1590e01402b1SRalf Baechle help 1591e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1592e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1593e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1594e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1595e01402b1SRalf Baechle 1596e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1597e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1598e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1599e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16005e83d430SRalf Baechle help 1601e01402b1SRalf Baechle 16022600990eSRalf Baechleconfig MIPS_APSP_KSPD 16032600990eSRalf Baechle bool "Enable KSPD" 16042600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16052600990eSRalf Baechle default y 16062600990eSRalf Baechle help 16072600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16082600990eSRalf Baechle side, actions them and returns the results. It also handles the 16092600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16102600990eSRalf Baechle exiting. You probably want to say yes here. 16112600990eSRalf Baechle 16124a16ff4cSRalf Baechleconfig MIPS_CMP 16134a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16144a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16154a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16164a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16174a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16184a16ff4cSRalf Baechle select WEAK_ORDERING 16194a16ff4cSRalf Baechle default n 16204a16ff4cSRalf Baechle help 16214a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16224a16ff4cSRalf Baechle be handled differently... 16234a16ff4cSRalf Baechle 16241da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16251da177e4SLinus Torvalds bool 16261da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16271da177e4SLinus Torvalds default y 16281da177e4SLinus Torvalds 16291da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16301da177e4SLinus Torvalds bool 16311da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16321da177e4SLinus Torvalds default y 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16351da177e4SLinus Torvalds bool 16361da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16371da177e4SLinus Torvalds default y 16381da177e4SLinus Torvalds 16391da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1640d806cb2bSRalf Baechle bool 16411da177e4SLinus Torvalds 16421da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1643f7062ddbSRalf Baechle bool 16441da177e4SLinus Torvalds 16459693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16469693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16479693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16489693a853SFranck Bui-Huu help 16499693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16509693a853SFranck Bui-Huu increased security at both hardware and software level for 16519693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16529693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16539693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16549693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16559693a853SFranck Bui-Huu here. 16569693a853SFranck Bui-Huu 16571da177e4SLinus Torvaldsconfig CPU_HAS_WB 1658f7062ddbSRalf Baechle bool 1659e01402b1SRalf Baechle 1660f41ae0b2SRalf Baechle# 1661f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1662f41ae0b2SRalf Baechle# 1663e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1664f41ae0b2SRalf Baechle bool 1665e01402b1SRalf Baechle 1666f41ae0b2SRalf Baechle# 1667f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1668f41ae0b2SRalf Baechle# 1669e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1670f41ae0b2SRalf Baechle bool 1671e01402b1SRalf Baechle 16721da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16731da177e4SLinus Torvalds bool 16741da177e4SLinus Torvalds depends on !CPU_R3000 16751da177e4SLinus Torvalds default y 16761da177e4SLinus Torvalds 1677ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1678ea580401SRalf Baechle bool 1679ea580401SRalf Baechle 16801da177e4SLinus Torvalds# 168120d60d99SMaciej W. Rozycki# CPU non-features 168220d60d99SMaciej W. Rozycki# 168320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 168420d60d99SMaciej W. Rozycki bool 168520d60d99SMaciej W. Rozycki 168620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 168720d60d99SMaciej W. Rozycki bool 168820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168920d60d99SMaciej W. Rozycki 169020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 169120d60d99SMaciej W. Rozycki bool 169220d60d99SMaciej W. Rozycki 169320d60d99SMaciej W. Rozycki# 1694797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1695797798c1SRalf Baechle# 1696797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1697797798c1SRalf Baechle bool 1698797798c1SRalf Baechle default y 1699797798c1SRalf Baechle 1700797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1701797798c1SRalf Baechle bool 1702797798c1SRalf Baechle default y 1703797798c1SRalf Baechle 17040d7012a9SIngo Molnarconfig IRQ_PER_CPU 17050d7012a9SIngo Molnar bool 17060d7012a9SIngo Molnar 1707797798c1SRalf Baechle# 17081da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17091da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17101da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17111da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17121da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17131da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17141da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17151da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1716797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1717797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1718797798c1SRalf Baechle# support. 17191da177e4SLinus Torvalds# 17201da177e4SLinus Torvaldsconfig HIGHMEM 17211da177e4SLinus Torvalds bool "High Memory Support" 1722797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1723797798c1SRalf Baechle 1724797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1725797798c1SRalf Baechle bool 1726797798c1SRalf Baechle 1727797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1728797798c1SRalf Baechle bool 17291da177e4SLinus Torvalds 17309693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17319693a853SFranck Bui-Huu bool 17329693a853SFranck Bui-Huu 1733b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1734b4819b59SYoichi Yuasa def_bool y 1735b4819b59SYoichi Yuasa depends on !NUMA 1736b4819b59SYoichi Yuasa 1737d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1738d8cb4e11SRalf Baechle bool 1739d8cb4e11SRalf Baechle default y if SGI_IP27 1740d8cb4e11SRalf Baechle help 17413dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1742d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1743d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1744d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1745d8cb4e11SRalf Baechle 1746cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1747cce335aeSRalf Baechle def_bool y 1748cce335aeSRalf Baechle 1749b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1750b1c6cd42SAtsushi Nemoto bool 17517de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 175231473747SAtsushi Nemoto 1753d8cb4e11SRalf Baechleconfig NUMA 1754d8cb4e11SRalf Baechle bool "NUMA Support" 1755d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1756d8cb4e11SRalf Baechle help 1757d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1758d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1759d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1760d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1761d8cb4e11SRalf Baechle disabled. 1762d8cb4e11SRalf Baechle 1763d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1764d8cb4e11SRalf Baechle bool 1765d8cb4e11SRalf Baechle 1766c80d79d7SYasunori Gotoconfig NODES_SHIFT 1767c80d79d7SYasunori Goto int 1768c80d79d7SYasunori Goto default "6" 1769c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1770c80d79d7SYasunori Goto 1771b4819b59SYoichi Yuasasource "mm/Kconfig" 1772b4819b59SYoichi Yuasa 17731da177e4SLinus Torvaldsconfig SMP 17741da177e4SLinus Torvalds bool "Multi-Processing support" 1775e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1776b4b30a5aSRalf Baechle select IRQ_PER_CPU 17772f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1778e73ea273SRalf Baechle help 17791da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17801da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17811da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17841da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17851da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17861da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17871da177e4SLinus Torvalds will run faster if you say N here. 17881da177e4SLinus Torvalds 17891da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17901da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17911da177e4SLinus Torvalds 179203502faaSAdrian Bunk See also the SMP-HOWTO available at 179303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17941da177e4SLinus Torvalds 17951da177e4SLinus Torvalds If you don't know what to do here, say N. 17961da177e4SLinus Torvalds 179787353d8aSRalf Baechleconfig SMP_UP 179887353d8aSRalf Baechle bool 179987353d8aSRalf Baechle 18004a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 18014a16ff4cSRalf Baechle bool 18024a16ff4cSRalf Baechle 1803e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1804e73ea273SRalf Baechle bool 1805e73ea273SRalf Baechle 180672ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 180772ede9b1SAtsushi Nemoto bool 180872ede9b1SAtsushi Nemoto 1809130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1810130e2fb7SRalf Baechle bool 1811130e2fb7SRalf Baechle 1812130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1813130e2fb7SRalf Baechle bool 1814130e2fb7SRalf Baechle 1815130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1816130e2fb7SRalf Baechle bool 1817130e2fb7SRalf Baechle 1818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1819130e2fb7SRalf Baechle bool 1820130e2fb7SRalf Baechle 1821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1822130e2fb7SRalf Baechle bool 1823130e2fb7SRalf Baechle 1824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1825130e2fb7SRalf Baechle bool 1826130e2fb7SRalf Baechle 18271da177e4SLinus Torvaldsconfig NR_CPUS 18281da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 182972ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18301da177e4SLinus Torvalds depends on SMP 183172ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1832130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1833130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1834130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1835130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1836130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1837130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18381da177e4SLinus Torvalds help 18391da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18401da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18411da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 184272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 184372ede9b1SAtsushi Nemoto and 2 for all others. 18441da177e4SLinus Torvalds 18451da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 184672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 184772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 184872ede9b1SAtsushi Nemoto power of two. 18491da177e4SLinus Torvalds 1850c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1851c4eee283SAtsushi Nemoto 18521723b4a3SAtsushi Nemoto# 18531723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18541723b4a3SAtsushi Nemoto# 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemotochoice 18571723b4a3SAtsushi Nemoto prompt "Timer frequency" 18581723b4a3SAtsushi Nemoto default HZ_250 18591723b4a3SAtsushi Nemoto help 18601723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemoto config HZ_48 18630f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemoto config HZ_100 18661723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemoto config HZ_128 18691723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18701723b4a3SAtsushi Nemoto 18711723b4a3SAtsushi Nemoto config HZ_250 18721723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18731723b4a3SAtsushi Nemoto 18741723b4a3SAtsushi Nemoto config HZ_256 18751723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18761723b4a3SAtsushi Nemoto 18771723b4a3SAtsushi Nemoto config HZ_1000 18781723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18791723b4a3SAtsushi Nemoto 18801723b4a3SAtsushi Nemoto config HZ_1024 18811723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18821723b4a3SAtsushi Nemoto 18831723b4a3SAtsushi Nemotoendchoice 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18861723b4a3SAtsushi Nemoto bool 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18891723b4a3SAtsushi Nemoto bool 18901723b4a3SAtsushi Nemoto 18911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18921723b4a3SAtsushi Nemoto bool 18931723b4a3SAtsushi Nemoto 18941723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18951723b4a3SAtsushi Nemoto bool 18961723b4a3SAtsushi Nemoto 18971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18981723b4a3SAtsushi Nemoto bool 18991723b4a3SAtsushi Nemoto 19001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 19011723b4a3SAtsushi Nemoto bool 19021723b4a3SAtsushi Nemoto 19031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19041723b4a3SAtsushi Nemoto bool 19051723b4a3SAtsushi Nemoto 19061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19071723b4a3SAtsushi Nemoto bool 19081723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19091723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19101723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19111723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19121723b4a3SAtsushi Nemoto 19131723b4a3SAtsushi Nemotoconfig HZ 19141723b4a3SAtsushi Nemoto int 19151723b4a3SAtsushi Nemoto default 48 if HZ_48 19161723b4a3SAtsushi Nemoto default 100 if HZ_100 19171723b4a3SAtsushi Nemoto default 128 if HZ_128 19181723b4a3SAtsushi Nemoto default 250 if HZ_250 19191723b4a3SAtsushi Nemoto default 256 if HZ_256 19201723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19211723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19221723b4a3SAtsushi Nemoto 1923e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19241da177e4SLinus Torvalds 19251da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19261da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1927875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19281da177e4SLinus Torvalds help 19291da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19301da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19311da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19321da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19331da177e4SLinus Torvalds recommended for normal users. 19341da177e4SLinus Torvalds 1935ea6e942bSAtsushi Nemotoconfig KEXEC 1936ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1937ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1938ea6e942bSAtsushi Nemoto help 1939ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1940ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19413dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1942ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1943ea6e942bSAtsushi Nemoto 194401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1945ea6e942bSAtsushi Nemoto 1946ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1947ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1948ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1949ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1950ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1951ea6e942bSAtsushi Nemoto 1952ea6e942bSAtsushi Nemotoconfig SECCOMP 1953ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1954293c5bd1SRalf Baechle depends on PROC_FS 1955ea6e942bSAtsushi Nemoto default y 1956ea6e942bSAtsushi Nemoto help 1957ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1958ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1959ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1960ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1961ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1962ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1963ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1964ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1965ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1966ea6e942bSAtsushi Nemoto 1967ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1968ea6e942bSAtsushi Nemoto 19695e83d430SRalf Baechleendmenu 19705e83d430SRalf Baechle 19711da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19721da177e4SLinus Torvalds bool 19731da177e4SLinus Torvalds default y 19741da177e4SLinus Torvalds 19751df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19761df0f0ffSAtsushi Nemoto bool 19771df0f0ffSAtsushi Nemoto default y 19781df0f0ffSAtsushi Nemoto 19791df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19801df0f0ffSAtsushi Nemoto bool 19811df0f0ffSAtsushi Nemoto default y 19821df0f0ffSAtsushi Nemoto 1983b6c3539bSRalf Baechlesource "init/Kconfig" 1984b6c3539bSRalf Baechle 19850011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 19860011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 19870011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 19880011036bSAtsushi Nemoto help 19890011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 19900011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 19910011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 19920011036bSAtsushi Nemoto Otherwise, say N. 19930011036bSAtsushi Nemoto 1994dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 1995dc52ddc0SMatt Helsley 19961da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19971da177e4SLinus Torvalds 19985e83d430SRalf Baechleconfig HW_HAS_EISA 19995e83d430SRalf Baechle bool 20001da177e4SLinus Torvaldsconfig HW_HAS_PCI 20011da177e4SLinus Torvalds bool 20021da177e4SLinus Torvalds 20031da177e4SLinus Torvaldsconfig PCI 20041da177e4SLinus Torvalds bool "Support for PCI controller" 20051da177e4SLinus Torvalds depends on HW_HAS_PCI 2006abb4ae46SRalf Baechle select PCI_DOMAINS 20071da177e4SLinus Torvalds help 20081da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20091da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20101da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20111da177e4SLinus Torvalds say Y, otherwise N. 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvaldsconfig PCI_DOMAINS 20141da177e4SLinus Torvalds bool 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20171da177e4SLinus Torvalds 20181da177e4SLinus Torvalds# 20191da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20201da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20211da177e4SLinus Torvalds# users to choose the right thing ... 20221da177e4SLinus Torvalds# 20231da177e4SLinus Torvaldsconfig ISA 20241da177e4SLinus Torvalds bool 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldsconfig EISA 20271da177e4SLinus Torvalds bool "EISA support" 20285e83d430SRalf Baechle depends on HW_HAS_EISA 20291da177e4SLinus Torvalds select ISA 2030aa414dffSRalf Baechle select GENERIC_ISA_DMA 20311da177e4SLinus Torvalds ---help--- 20321da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20331da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20361da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20371da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20381da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvalds Otherwise, say N. 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20451da177e4SLinus Torvalds 20461da177e4SLinus Torvaldsconfig TC 20471da177e4SLinus Torvalds bool "TURBOchannel support" 20481da177e4SLinus Torvalds depends on MACH_DECSTATION 20491da177e4SLinus Torvalds help 20501da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20511da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20521da177e4SLinus Torvalds is available at: 20531da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20541da177e4SLinus Torvalds 20551da177e4SLinus Torvalds#config ACCESSBUS 20561da177e4SLinus Torvalds# bool "Access.Bus support" 20571da177e4SLinus Torvalds# depends on TC 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvaldsconfig MMU 20601da177e4SLinus Torvalds bool 20611da177e4SLinus Torvalds default y 20621da177e4SLinus Torvalds 2063d865bea4SRalf Baechleconfig I8253 2064d865bea4SRalf Baechle bool 2065d865bea4SRalf Baechle 2066cce335aeSRalf Baechleconfig ZONE_DMA32 2067cce335aeSRalf Baechle bool 2068cce335aeSRalf Baechle 20691da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20701da177e4SLinus Torvalds 20711da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldsendmenu 20741da177e4SLinus Torvalds 20751da177e4SLinus Torvaldsmenu "Executable file formats" 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20781da177e4SLinus Torvalds 20791da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20801da177e4SLinus Torvalds bool 20811da177e4SLinus Torvalds 20821da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20831da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2084875d43e7SRalf Baechle depends on 64BIT 20851da177e4SLinus Torvalds help 20861da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20871da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20881da177e4SLinus Torvalds currently 32-bit you should say Y here. 20891da177e4SLinus Torvalds 20901da177e4SLinus Torvaldsconfig COMPAT 20911da177e4SLinus Torvalds bool 20921da177e4SLinus Torvalds depends on MIPS32_COMPAT 20931da177e4SLinus Torvalds default y 20941da177e4SLinus Torvalds 209505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 209605e43966SAtsushi Nemoto bool 209705e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 209805e43966SAtsushi Nemoto default y 209905e43966SAtsushi Nemoto 21001da177e4SLinus Torvaldsconfig MIPS32_O32 21011da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 21021da177e4SLinus Torvalds depends on MIPS32_COMPAT 21031da177e4SLinus Torvalds help 21041da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 21051da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21061da177e4SLinus Torvalds existing binaries are in this format. 21071da177e4SLinus Torvalds 21081da177e4SLinus Torvalds If unsure, say Y. 21091da177e4SLinus Torvalds 21101da177e4SLinus Torvaldsconfig MIPS32_N32 21111da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21121da177e4SLinus Torvalds depends on MIPS32_COMPAT 21131da177e4SLinus Torvalds help 21141da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21151da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21161da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21171da177e4SLinus Torvalds cases. 21181da177e4SLinus Torvalds 21191da177e4SLinus Torvalds If unsure, say N. 21201da177e4SLinus Torvalds 21211da177e4SLinus Torvaldsconfig BINFMT_ELF32 21221da177e4SLinus Torvalds bool 21231da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21241da177e4SLinus Torvalds 21252116245eSRalf Baechleendmenu 21261da177e4SLinus Torvalds 21272116245eSRalf Baechlemenu "Power management options" 2128952fa954SRodolfo Giometti 2129f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2130f4cb5700SJohannes Berg def_bool y 2131f4cb5700SJohannes Berg depends on !SMP 2132f4cb5700SJohannes Berg 21332116245eSRalf Baechlesource "kernel/power/Kconfig" 2134952fa954SRodolfo Giometti 21351da177e4SLinus Torvaldsendmenu 21361da177e4SLinus Torvalds 2137d5950b43SSam Ravnborgsource "net/Kconfig" 2138d5950b43SSam Ravnborg 21391da177e4SLinus Torvaldssource "drivers/Kconfig" 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldssource "fs/Kconfig" 21421da177e4SLinus Torvalds 21431da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21441da177e4SLinus Torvalds 21451da177e4SLinus Torvaldssource "security/Kconfig" 21461da177e4SLinus Torvalds 21471da177e4SLinus Torvaldssource "crypto/Kconfig" 21481da177e4SLinus Torvalds 21491da177e4SLinus Torvaldssource "lib/Kconfig" 2150