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 552f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 561c0c13ebSAurelien Jarno select GENERIC_GPIO 5725e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5825e5fb97SAurelien Jarno select CFE 591c0c13ebSAurelien Jarno help 601c0c13ebSAurelien Jarno Support for BCM47XX based boards 611c0c13ebSAurelien Jarno 621da177e4SLinus Torvaldsconfig MIPS_COBALT 633fa986faSMartin Michlmayr bool "Cobalt Server" 6442f77542SRalf Baechle select CEVT_R4K 65940f6b48SRalf Baechle select CSRC_R4K 661097c6acSYoichi Yuasa select CEVT_GT641XX 671da177e4SLinus Torvalds select DMA_NONCOHERENT 681da177e4SLinus Torvalds select HW_HAS_PCI 69d865bea4SRalf Baechle select I8253 701da177e4SLinus Torvalds select I8259 711da177e4SLinus Torvalds select IRQ_CPU 72d5ab1a69SYoichi Yuasa select IRQ_GT641XX 73252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 747cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 750a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 76ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 770e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 785e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 799fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 801da177e4SLinus Torvalds 811da177e4SLinus Torvaldsconfig MACH_DECSTATION 823fa986faSMartin Michlmayr bool "DECstations" 831da177e4SLinus Torvalds select BOOT_ELF32 846457d9fcSYoichi Yuasa select CEVT_DS1287 8542f77542SRalf Baechle select CEVT_R4K 864247417dSYoichi Yuasa select CSRC_IOASIC 87940f6b48SRalf Baechle select CSRC_R4K 8820d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 8920d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 911da177e4SLinus Torvalds select DMA_NONCOHERENT 92d388d685SMaciej W. Rozycki select NO_IOPORT 931da177e4SLinus Torvalds select IRQ_CPU 947cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 957cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 96ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 97ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 991723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1001723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1011723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1025e83d430SRalf Baechle help 1031da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1041da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1051da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1081da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds DECstation 5000/50 1111da177e4SLinus Torvalds DECstation 5000/150 1121da177e4SLinus Torvalds DECstation 5000/260 1131da177e4SLinus Torvalds DECsystem 5900/260 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds otherwise choose R3000. 1161da177e4SLinus Torvalds 1175e83d430SRalf Baechleconfig MACH_JAZZ 1183fa986faSMartin Michlmayr bool "Jazz family of machines" 1195e83d430SRalf Baechle select ARC 1205e83d430SRalf Baechle select ARC32 1215e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12242f77542SRalf Baechle select CEVT_R4K 123940f6b48SRalf Baechle select CSRC_R4K 124e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1255e83d430SRalf Baechle select GENERIC_ISA_DMA 126ea202c63SThomas Bogendoerfer select IRQ_CPU 127d865bea4SRalf Baechle select I8253 1285e83d430SRalf Baechle select I8259 1295e83d430SRalf Baechle select ISA 1307cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1315e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1325e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1331723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1349fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1351da177e4SLinus Torvalds help 1365e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1375e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1385e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1395e83d430SRalf Baechle Olivetti M700-10 workstations. 1405e83d430SRalf Baechle 1411f21d2bdSBrian Murphyconfig LASAT 1421f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14342f77542SRalf Baechle select CEVT_R4K 144940f6b48SRalf Baechle select CSRC_R4K 1451f21d2bdSBrian Murphy select DMA_NONCOHERENT 1461f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1471f21d2bdSBrian Murphy select HW_HAS_PCI 148a5ccfe5cSRalf Baechle select IRQ_CPU 1491f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1501f21d2bdSBrian Murphy select MIPS_NILE4 1511f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1521f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1531f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1551f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1561f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1571f21d2bdSBrian Murphy 158ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 159ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 160ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16142f77542SRalf Baechle select CEVT_R4K 162940f6b48SRalf Baechle select CSRC_R4K 163ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 164ade299d8SYoichi Yuasa select DMA_NONCOHERENT 165ade299d8SYoichi Yuasa select BOOT_ELF32 166ade299d8SYoichi Yuasa select BOARD_SCACHE 167ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 168ade299d8SYoichi Yuasa select HW_HAS_PCI 169ade299d8SYoichi Yuasa select I8259 170ade299d8SYoichi Yuasa select ISA 171ade299d8SYoichi Yuasa select IRQ_CPU 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 174ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 175ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 176ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 177ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17823dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 179ade299d8SYoichi Yuasa select CPU_HAS_WB 180ade299d8SYoichi Yuasa help 181ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 182ade299d8SYoichi Yuasa an FPGA northbridge 183ade299d8SYoichi Yuasa 1841da177e4SLinus Torvaldsconfig MIPS_MALTA 1853fa986faSMartin Michlmayr bool "MIPS Malta board" 18661ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1871da177e4SLinus Torvalds select BOOT_ELF32 188fa71c960SRalf Baechle select BOOT_RAW 18942f77542SRalf Baechle select CEVT_R4K 190940f6b48SRalf Baechle select CSRC_R4K 1911da177e4SLinus Torvalds select DMA_NONCOHERENT 1921da177e4SLinus Torvalds select GENERIC_ISA_DMA 193aa414dffSRalf Baechle select IRQ_CPU 19439b8d525SRalf Baechle select IRQ_GIC 1951da177e4SLinus Torvalds select HW_HAS_PCI 196d865bea4SRalf Baechle select I8253 1971da177e4SLinus Torvalds select I8259 1985e83d430SRalf Baechle select MIPS_BOARDS_GEN 1995e83d430SRalf Baechle select MIPS_BONITO64 2009318c51aSChris Dearman select MIPS_CPU_SCACHE 201252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2025e83d430SRalf Baechle select MIPS_MSC 2031da177e4SLinus Torvalds select SWAP_IO_SPACE 2047cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2057cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2067cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2077cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2087cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 20936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 210ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 214f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2159693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2161da177e4SLinus Torvalds help 217f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2181da177e4SLinus Torvalds board. 2191da177e4SLinus Torvalds 220c78cbf49SRalf Baechleconfig MIPS_SIM 2213fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22242f77542SRalf Baechle select CEVT_R4K 223940f6b48SRalf Baechle select CSRC_R4K 224c78cbf49SRalf Baechle select DMA_NONCOHERENT 22536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 226c78cbf49SRalf Baechle select IRQ_CPU 2279267a30dSMarc St-Jean select BOOT_RAW 2287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2297cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 23036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 231c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 232c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 233f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 234c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 235c78cbf49SRalf Baechle help 236c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 237c78cbf49SRalf Baechle emulator. 238c78cbf49SRalf Baechle 239ade299d8SYoichi Yuasaconfig MARKEINS 240ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 24142f77542SRalf Baechle select CEVT_R4K 242940f6b48SRalf Baechle select CSRC_R4K 243ade299d8SYoichi Yuasa select DMA_NONCOHERENT 244ade299d8SYoichi Yuasa select HW_HAS_PCI 245ade299d8SYoichi Yuasa select IRQ_CPU 246ade299d8SYoichi Yuasa select SWAP_IO_SPACE 247ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 248ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 249ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 250ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 251ade299d8SYoichi Yuasa help 252ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 253ade299d8SYoichi Yuasa boards with R5500 CPU. 254ade299d8SYoichi Yuasa 2555e83d430SRalf Baechleconfig MACH_VR41XX 25674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 25742f77542SRalf Baechle select CEVT_R4K 258940f6b48SRalf Baechle select CSRC_R4K 2597cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2609fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2615e83d430SRalf Baechle 262ade299d8SYoichi Yuasaconfig PNX8550_JBS 263a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 264ade299d8SYoichi Yuasa select PNX8550 265ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 266ade299d8SYoichi Yuasa 267ade299d8SYoichi Yuasaconfig PNX8550_STB810 268a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 269ade299d8SYoichi Yuasa select PNX8550 270ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 271ade299d8SYoichi Yuasa 2729267a30dSMarc St-Jeanconfig PMC_MSP 2739267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2749267a30dSMarc St-Jean depends on EXPERIMENTAL 2759267a30dSMarc St-Jean select DMA_NONCOHERENT 2769267a30dSMarc St-Jean select SWAP_IO_SPACE 2779267a30dSMarc St-Jean select NO_EXCEPT_FILL 2789267a30dSMarc St-Jean select BOOT_RAW 2799267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2809267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2819267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2829267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2839267a30dSMarc St-Jean select IRQ_CPU 2849267a30dSMarc St-Jean select SERIAL_8250 2859267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2869267a30dSMarc St-Jean help 2879267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2889267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2899267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2909267a30dSMarc St-Jean a variety of MIPS cores. 2919267a30dSMarc St-Jean 2925e83d430SRalf Baechleconfig PMC_YOSEMITE 2933fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 29442f77542SRalf Baechle select CEVT_R4K 295940f6b48SRalf Baechle select CSRC_R4K 2965e83d430SRalf Baechle select DMA_COHERENT 2975e83d430SRalf Baechle select HW_HAS_PCI 2985e83d430SRalf Baechle select IRQ_CPU 2995e83d430SRalf Baechle select IRQ_CPU_RM7K 3005e83d430SRalf Baechle select IRQ_CPU_RM9K 3015e83d430SRalf Baechle select SWAP_IO_SPACE 3027cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3045e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3055e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3065e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3075e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 308e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3095e83d430SRalf Baechle help 3105e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3115e83d430SRalf Baechle manufactured by PMC-Sierra. 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvaldsconfig SGI_IP22 3143fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3151da177e4SLinus Torvalds select ARC 3161da177e4SLinus Torvalds select ARC32 3171da177e4SLinus Torvalds select BOOT_ELF32 31842f77542SRalf Baechle select CEVT_R4K 319940f6b48SRalf Baechle select CSRC_R4K 320e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3211da177e4SLinus Torvalds select DMA_NONCOHERENT 3225e83d430SRalf Baechle select HW_HAS_EISA 323d865bea4SRalf Baechle select I8253 32468de4803SThomas Bogendoerfer select I8259 3251da177e4SLinus Torvalds select IP22_CPU_SCACHE 3261da177e4SLinus Torvalds select IRQ_CPU 327aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 328e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 329e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 330e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 33136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 332e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 333e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 334e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3351da177e4SLinus Torvalds select SWAP_IO_SPACE 3367cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 33836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 339ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3421da177e4SLinus Torvalds help 3431da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3441da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3451da177e4SLinus Torvalds that runs on these, say Y here. 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvaldsconfig SGI_IP27 3483fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3491da177e4SLinus Torvalds select ARC 3501da177e4SLinus Torvalds select ARC64 3515e83d430SRalf Baechle select BOOT_ELF64 352e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3531da177e4SLinus Torvalds select DMA_IP27 35436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3551da177e4SLinus Torvalds select HW_HAS_PCI 356130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3577cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 358ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3595e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 360d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3611a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 362e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3631da177e4SLinus Torvalds help 3641da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3651da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3661da177e4SLinus Torvalds here. 3671da177e4SLinus Torvalds 368e2defae5SThomas Bogendoerferconfig SGI_IP28 369e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 370e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 371e2defae5SThomas Bogendoerfer select ARC 372e2defae5SThomas Bogendoerfer select ARC64 373e2defae5SThomas Bogendoerfer select BOOT_ELF64 374e2defae5SThomas Bogendoerfer select CEVT_R4K 375e2defae5SThomas Bogendoerfer select CSRC_R4K 376e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 377e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 378e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 379e2defae5SThomas Bogendoerfer select IRQ_CPU 380e2defae5SThomas Bogendoerfer select HW_HAS_EISA 381e2defae5SThomas Bogendoerfer select I8253 382e2defae5SThomas Bogendoerfer select I8259 383e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 384e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 385e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3865b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 387e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 388e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 389e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 390e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 391e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 392e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 393e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 394e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 395e2defae5SThomas Bogendoerfer help 396e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 397e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 398e2defae5SThomas Bogendoerfer 3991da177e4SLinus Torvaldsconfig SGI_IP32 400cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4011da177e4SLinus Torvalds select ARC 4021da177e4SLinus Torvalds select ARC32 4031da177e4SLinus Torvalds select BOOT_ELF32 40442f77542SRalf Baechle select CEVT_R4K 405940f6b48SRalf Baechle select CSRC_R4K 4061da177e4SLinus Torvalds select DMA_NONCOHERENT 4071da177e4SLinus Torvalds select HW_HAS_PCI 408dd67b155SRalf Baechle select IRQ_CPU 4091da177e4SLinus Torvalds select R5000_CPU_SCACHE 4101da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4137cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 414dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 415ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4165e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4171da177e4SLinus Torvalds help 4181da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4191da177e4SLinus Torvalds 420ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 421ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4225e83d430SRalf Baechle depends on EXPERIMENTAL 4235e83d430SRalf Baechle select BOOT_ELF32 4245e83d430SRalf Baechle select DMA_COHERENT 4255e83d430SRalf Baechle select SIBYTE_BCM1120 4265e83d430SRalf Baechle select SWAP_IO_SPACE 4277cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4305e83d430SRalf Baechle 431ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 432ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4335e83d430SRalf Baechle depends on EXPERIMENTAL 4345e83d430SRalf Baechle select BOOT_ELF32 4355e83d430SRalf Baechle select DMA_COHERENT 4365e83d430SRalf Baechle select SIBYTE_BCM1120 4375e83d430SRalf Baechle select SWAP_IO_SPACE 4387cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4415e83d430SRalf Baechle 4425e83d430SRalf Baechleconfig SIBYTE_CRHONE 4433fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4445e83d430SRalf Baechle depends on EXPERIMENTAL 4455e83d430SRalf Baechle select BOOT_ELF32 4465e83d430SRalf Baechle select DMA_COHERENT 4475e83d430SRalf Baechle select SIBYTE_BCM1125 4485e83d430SRalf Baechle select SWAP_IO_SPACE 4497cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4515e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4535e83d430SRalf Baechle 454ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 455ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 456ade299d8SYoichi Yuasa depends on EXPERIMENTAL 457ade299d8SYoichi Yuasa select BOOT_ELF32 458ade299d8SYoichi Yuasa select DMA_COHERENT 459ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 460ade299d8SYoichi Yuasa select SWAP_IO_SPACE 461ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 462ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 463ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 464ade299d8SYoichi Yuasa 465ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 466ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 467ade299d8SYoichi Yuasa select BOOT_ELF32 468ade299d8SYoichi Yuasa select DMA_COHERENT 469ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 470ade299d8SYoichi Yuasa select SIBYTE_SB1250 471ade299d8SYoichi Yuasa select SWAP_IO_SPACE 472ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 475ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 476cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 477ade299d8SYoichi Yuasa 478ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 479ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 480ade299d8SYoichi Yuasa depends on EXPERIMENTAL 481ade299d8SYoichi Yuasa select BOOT_ELF32 482ade299d8SYoichi Yuasa select DMA_COHERENT 483ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 484ade299d8SYoichi Yuasa select SIBYTE_SB1250 485ade299d8SYoichi Yuasa select SWAP_IO_SPACE 486ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 488ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 489ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 490ade299d8SYoichi Yuasa 491ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 492ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 493ade299d8SYoichi Yuasa depends on EXPERIMENTAL 494ade299d8SYoichi Yuasa select BOOT_ELF32 495ade299d8SYoichi Yuasa select DMA_COHERENT 496ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 497ade299d8SYoichi Yuasa select SIBYTE_SB1250 498ade299d8SYoichi Yuasa select SWAP_IO_SPACE 499ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 501ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 502ade299d8SYoichi Yuasa 503ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 504ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 505ade299d8SYoichi Yuasa select BOOT_ELF32 506ade299d8SYoichi Yuasa select DMA_COHERENT 507ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 508ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 509ade299d8SYoichi Yuasa select SWAP_IO_SPACE 510ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 512651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 514cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 515ade299d8SYoichi Yuasa 51614b36af4SThomas Bogendoerferconfig SNI_RM 51714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5184a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5194a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 520231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5215e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5225e83d430SRalf Baechle select BOOT_ELF32 52342f77542SRalf Baechle select CEVT_R4K 524940f6b48SRalf Baechle select CSRC_R4K 525e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5265e83d430SRalf Baechle select DMA_NONCOHERENT 5275e83d430SRalf Baechle select GENERIC_ISA_DMA 5285e83d430SRalf Baechle select HW_HAS_EISA 5295e83d430SRalf Baechle select HW_HAS_PCI 530c066a32aSThomas Bogendoerfer select IRQ_CPU 531d865bea4SRalf Baechle select I8253 5325e83d430SRalf Baechle select I8259 5335e83d430SRalf Baechle select ISA 5344a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5357cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5364a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 537c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5384a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 53936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 540ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5415e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5424a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5435e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5451da177e4SLinus Torvalds help 54614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5485e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5495e83d430SRalf Baechle support this machine type. 5501da177e4SLinus Torvalds 551edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 552edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5535e83d430SRalf Baechle 554edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 555edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 55623fbee9dSRalf Baechle 55773b4390fSRalf Baechleconfig MIKROTIK_RB532 55873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 55973b4390fSRalf Baechle select CEVT_R4K 56073b4390fSRalf Baechle select CSRC_R4K 56173b4390fSRalf Baechle select DMA_NONCOHERENT 56273b4390fSRalf Baechle select GENERIC_HARDIRQS_NO__DO_IRQ 56373b4390fSRalf Baechle select HW_HAS_PCI 56473b4390fSRalf Baechle select IRQ_CPU 56573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 56673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 56773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 56873b4390fSRalf Baechle select SWAP_IO_SPACE 56973b4390fSRalf Baechle select BOOT_RAW 57073b4390fSRalf Baechle select GENERIC_GPIO 57173b4390fSRalf Baechle help 57273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57373b4390fSRalf Baechle based on the IDT RC32434 SoC. 57473b4390fSRalf Baechle 575ade299d8SYoichi Yuasaconfig WR_PPMC 576ade299d8SYoichi Yuasa bool "Wind River PPMC board" 57742f77542SRalf Baechle select CEVT_R4K 578940f6b48SRalf Baechle select CSRC_R4K 579ade299d8SYoichi Yuasa select IRQ_CPU 580ade299d8SYoichi Yuasa select BOOT_ELF32 581ade299d8SYoichi Yuasa select DMA_NONCOHERENT 582ade299d8SYoichi Yuasa select HW_HAS_PCI 583ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 584ade299d8SYoichi Yuasa select SWAP_IO_SPACE 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 587ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 588ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 589ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 591ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 592ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 593ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 594ade299d8SYoichi Yuasa help 595ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 596ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 597ade299d8SYoichi Yuasa 5981da177e4SLinus Torvaldsendchoice 5991da177e4SLinus Torvalds 600c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6019c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6025e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6031f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6045e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 60529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 60638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 60722b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6085e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 60938b18f72SRalf Baechle 6105e83d430SRalf Baechleendmenu 6115e83d430SRalf Baechle 61295c354feSNick Pigginconfig GENERIC_LOCKBREAK 61395c354feSNick Piggin bool 61495c354feSNick Piggin default y 61595c354feSNick Piggin depends on SMP && PREEMPT 61695c354feSNick Piggin 6171da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6181da177e4SLinus Torvalds bool 6191da177e4SLinus Torvalds default y 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6221da177e4SLinus Torvalds bool 6231da177e4SLinus Torvalds 624f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 625f0d1b0b3SDavid Howells bool 626f0d1b0b3SDavid Howells default n 627f0d1b0b3SDavid Howells 628f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 629f0d1b0b3SDavid Howells bool 630f0d1b0b3SDavid Howells default n 631f0d1b0b3SDavid Howells 63200a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 63300a58253SRalf Baechle bool 63400a58253SRalf Baechle default y if !MIPS_MT_SMTC 63500a58253SRalf Baechle 6363c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6373c9ee7efSAkinobu Mita bool 6383c9ee7efSAkinobu Mita default y 6393c9ee7efSAkinobu Mita 6403c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6413c9ee7efSAkinobu Mita bool 6423c9ee7efSAkinobu Mita default y 6433c9ee7efSAkinobu Mita 6441da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6451da177e4SLinus Torvalds bool 6461da177e4SLinus Torvalds default y 6471da177e4SLinus Torvalds 6487bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6497bcf7717SRalf Baechle bool 6507bcf7717SRalf Baechle default y 6517bcf7717SRalf Baechle 6528db02010SRalf Baechleconfig GENERIC_TIME 6538db02010SRalf Baechle bool 6548db02010SRalf Baechle default y 6558db02010SRalf Baechle 656f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 657f5ff0a28SRalf Baechle bool 658f5ff0a28SRalf Baechle default y 659f5ff0a28SRalf Baechle 6601cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6611cc89038SAtsushi Nemoto bool 6621cc89038SAtsushi Nemoto default y 6631cc89038SAtsushi Nemoto 664e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 665e77c232cSFranck Bui-Huu bool 666e77c232cSFranck Bui-Huu default n 667e77c232cSFranck Bui-Huu 6681da177e4SLinus Torvalds# 6691da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6701da177e4SLinus Torvalds# 6711da177e4SLinus Torvaldsconfig ARC 6721da177e4SLinus Torvalds bool 6731da177e4SLinus Torvalds 67461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 67561ed242dSRalf Baechle bool 67661ed242dSRalf Baechle 6779267a30dSMarc St-Jeanconfig BOOT_RAW 6789267a30dSMarc St-Jean bool 6799267a30dSMarc St-Jean 680217dd11eSRalf Baechleconfig CEVT_BCM1480 681217dd11eSRalf Baechle bool 682217dd11eSRalf Baechle 6836457d9fcSYoichi Yuasaconfig CEVT_DS1287 6846457d9fcSYoichi Yuasa bool 6856457d9fcSYoichi Yuasa 6861097c6acSYoichi Yuasaconfig CEVT_GT641XX 6871097c6acSYoichi Yuasa bool 6881097c6acSYoichi Yuasa 68942f77542SRalf Baechleconfig CEVT_R4K 69042f77542SRalf Baechle bool 69142f77542SRalf Baechle 692217dd11eSRalf Baechleconfig CEVT_SB1250 693217dd11eSRalf Baechle bool 694217dd11eSRalf Baechle 695229f773eSAtsushi Nemotoconfig CEVT_TXX9 696229f773eSAtsushi Nemoto bool 697229f773eSAtsushi Nemoto 698217dd11eSRalf Baechleconfig CSRC_BCM1480 699217dd11eSRalf Baechle bool 700217dd11eSRalf Baechle 7014247417dSYoichi Yuasaconfig CSRC_IOASIC 7024247417dSYoichi Yuasa bool 7034247417dSYoichi Yuasa 704940f6b48SRalf Baechleconfig CSRC_R4K 705940f6b48SRalf Baechle bool 706940f6b48SRalf Baechle 707217dd11eSRalf Baechleconfig CSRC_SB1250 708217dd11eSRalf Baechle bool 709217dd11eSRalf Baechle 710a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 711a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7127444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 713a9aec7feSAtsushi Nemoto bool 714a9aec7feSAtsushi Nemoto 715df78b5c8SAurelien Jarnoconfig CFE 716df78b5c8SAurelien Jarno bool 717df78b5c8SAurelien Jarno 7181da177e4SLinus Torvaldsconfig DMA_COHERENT 7191da177e4SLinus Torvalds bool 7201da177e4SLinus Torvalds 7211da177e4SLinus Torvaldsconfig DMA_IP27 7221da177e4SLinus Torvalds bool 7231da177e4SLinus Torvalds 7241da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7251da177e4SLinus Torvalds bool 7264ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7274ce588cdSRalf Baechle 7284ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7294ce588cdSRalf Baechle bool 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvaldsconfig EARLY_PRINTK 73236a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 73336a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 73436a88530SRalf Baechle default y 73536a88530SRalf Baechle help 73636a88530SRalf Baechle This option enables special console drivers which allow the kernel 73736a88530SRalf Baechle to print messages very early in the bootup process. 73836a88530SRalf Baechle 73936a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 740490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 741490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 742490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 74336a88530SRalf Baechle unless you want to debug such a crash. 74436a88530SRalf Baechle 74536a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7461da177e4SLinus Torvalds bool 7471da177e4SLinus Torvalds 748dbb74540SRalf Baechleconfig HOTPLUG_CPU 749dbb74540SRalf Baechle bool 750dbb74540SRalf Baechle default n 751dbb74540SRalf Baechle 7521da177e4SLinus Torvaldsconfig I8259 7531da177e4SLinus Torvalds bool 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvaldsconfig MIPS_BONITO64 7561da177e4SLinus Torvalds bool 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvaldsconfig MIPS_MSC 7591da177e4SLinus Torvalds bool 7601da177e4SLinus Torvalds 7611f21d2bdSBrian Murphyconfig MIPS_NILE4 7621f21d2bdSBrian Murphy bool 7631f21d2bdSBrian Murphy 7641da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7651da177e4SLinus Torvalds bool 7661da177e4SLinus Torvalds 76739b8d525SRalf Baechleconfig SYNC_R4K 76839b8d525SRalf Baechle bool 76939b8d525SRalf Baechle 770d388d685SMaciej W. Rozyckiconfig NO_IOPORT 771d388d685SMaciej W. Rozycki def_bool n 772d388d685SMaciej W. Rozycki 7738313da30SRalf Baechleconfig GENERIC_ISA_DMA 7748313da30SRalf Baechle bool 7758313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7768313da30SRalf Baechle 777aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 778aa414dffSRalf Baechle bool 7798313da30SRalf Baechle select GENERIC_ISA_DMA 780aa414dffSRalf Baechle 78109663335SYoichi Yuasaconfig GENERIC_GPIO 78209663335SYoichi Yuasa bool 78309663335SYoichi Yuasa 7845e83d430SRalf Baechle# 7853cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7865e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7875e83d430SRalf Baechle# choice statement should be more obvious to the user. 7885e83d430SRalf Baechle# 7895e83d430SRalf Baechlechoice 7905e83d430SRalf Baechle prompt "Endianess selection" 7911da177e4SLinus Torvalds help 7921da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7935e83d430SRalf Baechle byte order. These modes require different kernels and a different 7943cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7955e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7963dde6ad8SDavid Sterba one or the other endianness. 7975e83d430SRalf Baechle 7985e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7995e83d430SRalf Baechle bool "Big endian" 8005e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8015e83d430SRalf Baechle 8025e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8035e83d430SRalf Baechle bool "Little endian" 8045e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8055e83d430SRalf Baechle help 8065e83d430SRalf Baechle 8075e83d430SRalf Baechleendchoice 8085e83d430SRalf Baechle 8092116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8102116245eSRalf Baechle bool 8112116245eSRalf Baechle 8125e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8135e83d430SRalf Baechle bool 8145e83d430SRalf Baechle 8155e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8165e83d430SRalf Baechle bool 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvaldsconfig IRQ_CPU 8191da177e4SLinus Torvalds bool 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8221da177e4SLinus Torvalds bool 8231da177e4SLinus Torvalds 8245e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8255e83d430SRalf Baechle bool 8265e83d430SRalf Baechle 8279267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8289267a30dSMarc St-Jean bool 8299267a30dSMarc St-Jean 8309267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8319267a30dSMarc St-Jean bool 8329267a30dSMarc St-Jean 8338420fd00SAtsushi Nemotoconfig IRQ_TXX9 8348420fd00SAtsushi Nemoto bool 8358420fd00SAtsushi Nemoto 836d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 837d5ab1a69SYoichi Yuasa bool 838d5ab1a69SYoichi Yuasa 83939b8d525SRalf Baechleconfig IRQ_GIC 84039b8d525SRalf Baechle bool 84139b8d525SRalf Baechle 8421da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8431da177e4SLinus Torvalds bool 8441da177e4SLinus Torvalds 845252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8461da177e4SLinus Torvalds bool 8471da177e4SLinus Torvalds 8489267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8499267a30dSMarc St-Jean bool 8509267a30dSMarc St-Jean 851663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 852663c3d90Sthomas@koeller.dyndns.org bool 853663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 854663c3d90Sthomas@koeller.dyndns.org 855bdf21b18SPete Popovconfig PNX8550 856bdf21b18SPete Popov bool 857bdf21b18SPete Popov select SOC_PNX8550 858bdf21b18SPete Popov 859bdf21b18SPete Popovconfig SOC_PNX8550 860bdf21b18SPete Popov bool 861bdf21b18SPete Popov select DMA_NONCOHERENT 862bdf21b18SPete Popov select HW_HAS_PCI 863b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 86436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8657cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 866e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 8674ead1681SFlorian Fainelli select GENERIC_GPIO 868bdf21b18SPete Popov 8691da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8701da177e4SLinus Torvalds bool 8711da177e4SLinus Torvalds 872355c471fSdmitry pervushinconfig EMMA2RH 873355c471fSdmitry pervushin bool 874355c471fSdmitry pervushin depends on MARKEINS 875355c471fSdmitry pervushin default y 876355c471fSdmitry pervushin 877663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 878663c3d90Sthomas@koeller.dyndns.org bool 879663c3d90Sthomas@koeller.dyndns.org 880e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 881e2defae5SThomas Bogendoerfer bool 882e2defae5SThomas Bogendoerfer 883e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 884e2defae5SThomas Bogendoerfer bool 885e2defae5SThomas Bogendoerfer 8865b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 8875b438c44SThomas Bogendoerfer bool 8885b438c44SThomas Bogendoerfer 889e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 890e2defae5SThomas Bogendoerfer bool 891e2defae5SThomas Bogendoerfer 892e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 893e2defae5SThomas Bogendoerfer bool 894e2defae5SThomas Bogendoerfer 895e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 896e2defae5SThomas Bogendoerfer bool 897e2defae5SThomas Bogendoerfer 898e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 899e2defae5SThomas Bogendoerfer bool 900e2defae5SThomas Bogendoerfer 901e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 902e2defae5SThomas Bogendoerfer bool 903e2defae5SThomas Bogendoerfer 9045e83d430SRalf Baechleconfig ARC32 9055e83d430SRalf Baechle bool 9065e83d430SRalf Baechle 907231a35d3SThomas Bogendoerferconfig SNIPROM 908231a35d3SThomas Bogendoerfer bool 909231a35d3SThomas Bogendoerfer 9101da177e4SLinus Torvaldsconfig BOOT_ELF32 9111da177e4SLinus Torvalds bool 9121da177e4SLinus Torvalds 9131da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9141da177e4SLinus Torvalds int 91573b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 9167e3297dcSThomas Bogendoerfer default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM 9179267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9181da177e4SLinus Torvalds default "5" 9191da177e4SLinus Torvalds 9201da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9211da177e4SLinus Torvalds bool 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvaldsconfig ARC_CONSOLE 9241da177e4SLinus Torvalds bool "ARC console support" 925e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvaldsconfig ARC_MEMORY 9281da177e4SLinus Torvalds bool 92914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9301da177e4SLinus Torvalds default y 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvaldsconfig ARC_PROMLIB 9331da177e4SLinus Torvalds bool 934e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9351da177e4SLinus Torvalds default y 9361da177e4SLinus Torvalds 9371da177e4SLinus Torvaldsconfig ARC64 9381da177e4SLinus Torvalds bool 9391da177e4SLinus Torvalds 9401da177e4SLinus Torvaldsconfig BOOT_ELF64 9411da177e4SLinus Torvalds bool 9421da177e4SLinus Torvalds 9431da177e4SLinus Torvaldsmenu "CPU selection" 9441da177e4SLinus Torvalds 9451da177e4SLinus Torvaldschoice 9461da177e4SLinus Torvalds prompt "CPU type" 9471da177e4SLinus Torvalds default CPU_R4X00 9481da177e4SLinus Torvalds 9492a21c730SFuxin Zhangconfig CPU_LOONGSON2 9502a21c730SFuxin Zhang bool "Loongson 2" 9512a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9522a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9532a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9542a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9552a21c730SFuxin Zhang help 9562a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9572a21c730SFuxin Zhang with many extensions. 9582a21c730SFuxin Zhang 9596e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9606e760c8dSRalf Baechle bool "MIPS32 Release 1" 9617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 962f7062ddbSRalf Baechle select CPU_HAS_LLSC 9636e760c8dSRalf Baechle select CPU_HAS_PREFETCH 964797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 965ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9666e760c8dSRalf Baechle help 9675e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9681e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9691e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9701e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9711e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9721e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9731e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9741e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9751e5f1caaSRalf Baechle performance. 9761e5f1caaSRalf Baechle 9771e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9781e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 980f7062ddbSRalf Baechle select CPU_HAS_LLSC 9811e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 982797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 983ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9841e5f1caaSRalf Baechle help 9855e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9866e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9876e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9886e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9896e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9901da177e4SLinus Torvalds 9916e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9926e760c8dSRalf Baechle bool "MIPS64 Release 1" 9937cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 994f7062ddbSRalf Baechle select CPU_HAS_LLSC 995797798c1SRalf Baechle select CPU_HAS_PREFETCH 996ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 997ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 998ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9996e760c8dSRalf Baechle help 10006e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10016e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10026e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10036e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10046e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10051e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10061e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10071e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10081e5f1caaSRalf Baechle performance. 10091e5f1caaSRalf Baechle 10101e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10111e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10127cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1013f7062ddbSRalf Baechle select CPU_HAS_LLSC 1014797798c1SRalf Baechle select CPU_HAS_PREFETCH 10151e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10161e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1017ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10181e5f1caaSRalf Baechle help 10191e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10201e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10211e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10221e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10231e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10241da177e4SLinus Torvalds 10251da177e4SLinus Torvaldsconfig CPU_R3000 10261da177e4SLinus Torvalds bool "R3000" 10277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1028f7062ddbSRalf Baechle select CPU_HAS_WB 1029ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1030797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10311da177e4SLinus Torvalds help 10321da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10331da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10341da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10351da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10361da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10371da177e4SLinus Torvalds try to recompile with R3000. 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvaldsconfig CPU_TX39XX 10401da177e4SLinus Torvalds bool "R39XX" 10417cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1042ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvaldsconfig CPU_VR41XX 10451da177e4SLinus Torvalds bool "R41xx" 10467cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1047ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1048ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10491da177e4SLinus Torvalds help 10505e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10511da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10521da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10531da177e4SLinus Torvalds processor or vice versa. 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvaldsconfig CPU_R4300 10561da177e4SLinus Torvalds bool "R4300" 10577cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1058f7062ddbSRalf Baechle select CPU_HAS_LLSC 1059ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1060ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10611da177e4SLinus Torvalds help 10621da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvaldsconfig CPU_R4X00 10651da177e4SLinus Torvalds bool "R4x00" 10667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1067f7062ddbSRalf Baechle select CPU_HAS_LLSC 1068ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1069ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10701da177e4SLinus Torvalds help 10711da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10721da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvaldsconfig CPU_TX49XX 10751da177e4SLinus Torvalds bool "R49XX" 10767cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1077f7062ddbSRalf Baechle select CPU_HAS_LLSC 1078de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1079ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1080ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10811da177e4SLinus Torvalds 10821da177e4SLinus Torvaldsconfig CPU_R5000 10831da177e4SLinus Torvalds bool "R5000" 10847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1085f7062ddbSRalf Baechle select CPU_HAS_LLSC 1086ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1087ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10881da177e4SLinus Torvalds help 10891da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10901da177e4SLinus Torvalds 10911da177e4SLinus Torvaldsconfig CPU_R5432 10921da177e4SLinus Torvalds bool "R5432" 10937cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1094f7062ddbSRalf Baechle select CPU_HAS_LLSC 10955e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10965e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10971da177e4SLinus Torvalds 10981da177e4SLinus Torvaldsconfig CPU_R6000 10991da177e4SLinus Torvalds bool "R6000" 1100ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1101f7062ddbSRalf Baechle select CPU_HAS_LLSC 11027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1103ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11041da177e4SLinus Torvalds help 11051da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1106c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11071da177e4SLinus Torvalds 11081da177e4SLinus Torvaldsconfig CPU_NEVADA 11091da177e4SLinus Torvalds bool "RM52xx" 11107cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1111f7062ddbSRalf Baechle select CPU_HAS_LLSC 1112ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1113ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11141da177e4SLinus Torvalds help 11151da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11161da177e4SLinus Torvalds 11171da177e4SLinus Torvaldsconfig CPU_R8000 11181da177e4SLinus Torvalds bool "R8000" 1119ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1121f7062ddbSRalf Baechle select CPU_HAS_LLSC 11225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1123ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11241da177e4SLinus Torvalds help 11251da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11261da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvaldsconfig CPU_R10000 11291da177e4SLinus Torvalds bool "R10000" 11307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1131f7062ddbSRalf Baechle select CPU_HAS_LLSC 11325e83d430SRalf Baechle select CPU_HAS_PREFETCH 1133ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1134ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1135797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11361da177e4SLinus Torvalds help 11371da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvaldsconfig CPU_RM7000 11401da177e4SLinus Torvalds bool "RM7000" 11417cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1142f7062ddbSRalf Baechle select CPU_HAS_LLSC 11435e83d430SRalf Baechle select CPU_HAS_PREFETCH 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1145ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1146797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11471da177e4SLinus Torvalds 11481da177e4SLinus Torvaldsconfig CPU_RM9000 11491da177e4SLinus Torvalds bool "RM9000" 11507cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1151f7062ddbSRalf Baechle select CPU_HAS_LLSC 11525e83d430SRalf Baechle select CPU_HAS_PREFETCH 1153ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1154ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1155797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11560004a9dfSRalf Baechle select WEAK_ORDERING 11571da177e4SLinus Torvalds 11581da177e4SLinus Torvaldsconfig CPU_SB1 11591da177e4SLinus Torvalds bool "SB1" 11607cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1161f7062ddbSRalf Baechle select CPU_HAS_LLSC 1162ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1163ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1164797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11650004a9dfSRalf Baechle select WEAK_ORDERING 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvaldsendchoice 11681da177e4SLinus Torvalds 11692a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11702a21c730SFuxin Zhang bool 11712a21c730SFuxin Zhang 11727cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11737cf8053bSRalf Baechle bool 11747cf8053bSRalf Baechle 11757cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11767cf8053bSRalf Baechle bool 11777cf8053bSRalf Baechle 11787cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11797cf8053bSRalf Baechle bool 11807cf8053bSRalf Baechle 11817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11827cf8053bSRalf Baechle bool 11837cf8053bSRalf Baechle 11847cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11857cf8053bSRalf Baechle bool 11867cf8053bSRalf Baechle 11877cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11887cf8053bSRalf Baechle bool 11897cf8053bSRalf Baechle 11907cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11917cf8053bSRalf Baechle bool 11927cf8053bSRalf Baechle 11937cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11947cf8053bSRalf Baechle bool 11957cf8053bSRalf Baechle 11967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11977cf8053bSRalf Baechle bool 11987cf8053bSRalf Baechle 11997cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12007cf8053bSRalf Baechle bool 12017cf8053bSRalf Baechle 12027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12037cf8053bSRalf Baechle bool 12047cf8053bSRalf Baechle 12057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12067cf8053bSRalf Baechle bool 12077cf8053bSRalf Baechle 12087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12097cf8053bSRalf Baechle bool 12107cf8053bSRalf Baechle 12117cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12127cf8053bSRalf Baechle bool 12137cf8053bSRalf Baechle 12147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12157cf8053bSRalf Baechle bool 12167cf8053bSRalf Baechle 12177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12187cf8053bSRalf Baechle bool 12197cf8053bSRalf Baechle 12207cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12217cf8053bSRalf Baechle bool 12227cf8053bSRalf Baechle 12237cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12247cf8053bSRalf Baechle bool 12257cf8053bSRalf Baechle 12267cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12277cf8053bSRalf Baechle bool 12287cf8053bSRalf Baechle 122917099b11SRalf Baechle# 123017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 123117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 123217099b11SRalf Baechle# 12330004a9dfSRalf Baechleconfig WEAK_ORDERING 12340004a9dfSRalf Baechle bool 123517099b11SRalf Baechle 123617099b11SRalf Baechle# 123717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 123817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 123917099b11SRalf Baechle# 124017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 124117099b11SRalf Baechle bool 12425e83d430SRalf Baechleendmenu 12435e83d430SRalf Baechle 12445e83d430SRalf Baechle# 12455e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12465e83d430SRalf Baechle# 12475e83d430SRalf Baechleconfig CPU_MIPS32 12485e83d430SRalf Baechle bool 12495e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12505e83d430SRalf Baechle 12515e83d430SRalf Baechleconfig CPU_MIPS64 12525e83d430SRalf Baechle bool 12535e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12545e83d430SRalf Baechle 12555e83d430SRalf Baechle# 1256c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12575e83d430SRalf Baechle# 12585e83d430SRalf Baechleconfig CPU_MIPSR1 12595e83d430SRalf Baechle bool 12605e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12615e83d430SRalf Baechle 12625e83d430SRalf Baechleconfig CPU_MIPSR2 12635e83d430SRalf Baechle bool 12645e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12655e83d430SRalf Baechle 12665e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12675e83d430SRalf Baechle bool 12685e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12695e83d430SRalf Baechle bool 12705e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12715e83d430SRalf Baechle bool 12725e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12735e83d430SRalf Baechle bool 12745e83d430SRalf Baechle 12755e83d430SRalf Baechlemenu "Kernel type" 12765e83d430SRalf Baechle 12775e83d430SRalf Baechlechoice 12785e83d430SRalf Baechle 12795e83d430SRalf Baechle prompt "Kernel code model" 12805e83d430SRalf Baechle help 12815e83d430SRalf Baechle You should only select this option if you have a workload that 12825e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12835e83d430SRalf Baechle large memory. You will only be presented a single option in this 12845e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12855e83d430SRalf Baechle 12865e83d430SRalf Baechleconfig 32BIT 12875e83d430SRalf Baechle bool "32-bit kernel" 12885e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12895e83d430SRalf Baechle select TRAD_SIGNALS 12905e83d430SRalf Baechle help 12915e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12925e83d430SRalf Baechleconfig 64BIT 12935e83d430SRalf Baechle bool "64-bit kernel" 12945e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12955e83d430SRalf Baechle help 12965e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12975e83d430SRalf Baechle 12985e83d430SRalf Baechleendchoice 12995e83d430SRalf Baechle 13001da177e4SLinus Torvaldschoice 13011da177e4SLinus Torvalds prompt "Kernel page size" 13021da177e4SLinus Torvalds default PAGE_SIZE_4KB 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13051da177e4SLinus Torvalds bool "4kB" 13061da177e4SLinus Torvalds help 13071da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13081da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13091da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13101da177e4SLinus Torvalds recommended for low memory systems. 13111da177e4SLinus Torvalds 13121da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13131da177e4SLinus Torvalds bool "8kB" 13141da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13151da177e4SLinus Torvalds help 13161da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13171da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13181da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13191da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13201da177e4SLinus Torvalds compatibility of user applications. 13211da177e4SLinus Torvalds 13221da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13231da177e4SLinus Torvalds bool "16kB" 1324714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13251da177e4SLinus Torvalds help 13261da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13271da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1328714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1329714bfad6SRalf Baechle Linux distribution to support this. 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13321da177e4SLinus Torvalds bool "64kB" 13331da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13341da177e4SLinus Torvalds help 13351da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13361da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13371da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1338714bfad6SRalf Baechle writing this option is still high experimental. 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvaldsendchoice 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvaldsconfig BOARD_SCACHE 13431da177e4SLinus Torvalds bool 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13461da177e4SLinus Torvalds bool 13471da177e4SLinus Torvalds select BOARD_SCACHE 13481da177e4SLinus Torvalds 13499318c51aSChris Dearman# 13509318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13519318c51aSChris Dearman# 13529318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13539318c51aSChris Dearman bool 13549318c51aSChris Dearman select BOARD_SCACHE 13559318c51aSChris Dearman 13561da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds select BOARD_SCACHE 13591da177e4SLinus Torvalds 13601da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13611da177e4SLinus Torvalds bool 13621da177e4SLinus Torvalds select BOARD_SCACHE 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13651da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13661da177e4SLinus Torvalds depends on CPU_SB1 13671da177e4SLinus Torvalds help 13681da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13691da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13701da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13711da177e4SLinus Torvalds 13721da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1373c8094b53SRalf Baechle bool 13741da177e4SLinus Torvalds 1375340ee4b9SRalf Baechlechoice 1376340ee4b9SRalf Baechle prompt "MIPS MT options" 1377f41ae0b2SRalf Baechle 1378f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1379f41ae0b2SRalf Baechle bool "Disable multithreading support." 1380f41ae0b2SRalf Baechle help 1381f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1382f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1383f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1384f41ae0b2SRalf Baechle option in this menu. 1385340ee4b9SRalf Baechle 138659d6ab86SRalf Baechleconfig MIPS_MT_SMP 138759d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 138859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 138959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1390d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 139159d6ab86SRalf Baechle select MIPS_MT 1392f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 139359d6ab86SRalf Baechle select SMP 13940ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 139559d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 139687353d8aSRalf Baechle select SMP_UP 139759d6ab86SRalf Baechle help 139859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 139959d6ab86SRalf Baechle has been marketesed into SMVP. 140059d6ab86SRalf Baechle 140141c594abSRalf Baechleconfig MIPS_MT_SMTC 140241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1403f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1404f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1405f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1406ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1407f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1408d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1409f41ae0b2SRalf Baechle select MIPS_MT 1410130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 141141c594abSRalf Baechle select SMP 141273b76c78SRalf Baechle select SYS_SUPPORTS_SMP 141387353d8aSRalf Baechle select SMP_UP 1414f41ae0b2SRalf Baechle help 1415f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1416f41ae0b2SRalf Baechle marketesed into SMVP. 141741c594abSRalf Baechle 1418340ee4b9SRalf Baechleendchoice 1419340ee4b9SRalf Baechle 1420f41ae0b2SRalf Baechleconfig MIPS_MT 1421f41ae0b2SRalf Baechle bool 1422f41ae0b2SRalf Baechle 14230ab7aefcSRalf Baechleconfig SCHED_SMT 14240ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14250ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14260ab7aefcSRalf Baechle default n 14270ab7aefcSRalf Baechle help 14280ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 14290ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 14300ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 14310ab7aefcSRalf Baechle 14320ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 14330ab7aefcSRalf Baechle bool 14340ab7aefcSRalf Baechle 14350ab7aefcSRalf Baechle 1436f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1437f41ae0b2SRalf Baechle bool 1438f41ae0b2SRalf Baechle 1439f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1440f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1441f088fc84SRalf Baechle default y 144207cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 144307cc0c9eSRalf Baechle 144407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 144507cc0c9eSRalf Baechle bool "VPE loader support." 144607cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 144707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 144807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 144907cc0c9eSRalf Baechle select MIPS_MT 145007cc0c9eSRalf Baechle help 145107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 145207cc0c9eSRalf Baechle onto another VPE and running it. 1453f088fc84SRalf Baechle 1454ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1455ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1456619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1457ac8be955SRalf Baechle default y 1458ac8be955SRalf Baechle help 1459ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1460ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1461ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1462ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1463ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1464ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1465ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1466ac8be955SRalf Baechle heavy I/O interrupt load. 1467ac8be955SRalf Baechle 14680db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14690db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14700db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14710db34215SKevin D. Kissell default y 14720db34215SKevin D. Kissell help 14730db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14740db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14750db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14760db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14770db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14780db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14790db34215SKevin D. Kissell what you are doing. 14800db34215SKevin D. Kissell 1481f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1482f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1483f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1484f571eff0SKevin D. Kissell default n 1485f571eff0SKevin D. Kissell help 1486f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1487f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1488f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1489f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1490f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1491f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1492f571eff0SKevin D. Kissell you are doing. 1493f571eff0SKevin D. Kissell 1494e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1495e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1496e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1497e01402b1SRalf Baechle default y 1498e01402b1SRalf Baechle help 1499e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1500e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1501e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1502e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1503e01402b1SRalf Baechle 1504e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1505e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1506e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1507e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15085e83d430SRalf Baechle help 1509e01402b1SRalf Baechle 15102600990eSRalf Baechleconfig MIPS_APSP_KSPD 15112600990eSRalf Baechle bool "Enable KSPD" 15122600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15132600990eSRalf Baechle default y 15142600990eSRalf Baechle help 15152600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15162600990eSRalf Baechle side, actions them and returns the results. It also handles the 15172600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15182600990eSRalf Baechle exiting. You probably want to say yes here. 15192600990eSRalf Baechle 15201da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15211da177e4SLinus Torvalds bool 15221da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15231da177e4SLinus Torvalds default y 15241da177e4SLinus Torvalds 15251da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15261da177e4SLinus Torvalds bool 15271da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15281da177e4SLinus Torvalds default y 15291da177e4SLinus Torvalds 15301da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 15311da177e4SLinus Torvalds bool 15321da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 15331da177e4SLinus Torvalds default y 15341da177e4SLinus Torvalds 15351da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1536d806cb2bSRalf Baechle bool 15371da177e4SLinus Torvalds 15381da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1539f7062ddbSRalf Baechle bool 15401da177e4SLinus Torvalds 15419693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15429693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15439693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15449693a853SFranck Bui-Huu help 15459693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15469693a853SFranck Bui-Huu increased security at both hardware and software level for 15479693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15489693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15499693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15509693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15519693a853SFranck Bui-Huu here. 15529693a853SFranck Bui-Huu 15531da177e4SLinus Torvaldsconfig CPU_HAS_WB 1554f7062ddbSRalf Baechle bool 1555e01402b1SRalf Baechle 1556f41ae0b2SRalf Baechle# 1557f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1558f41ae0b2SRalf Baechle# 1559e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1560f41ae0b2SRalf Baechle bool 1561e01402b1SRalf Baechle 1562f41ae0b2SRalf Baechle# 1563f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1564f41ae0b2SRalf Baechle# 1565e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1566f41ae0b2SRalf Baechle bool 1567e01402b1SRalf Baechle 15681da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15691da177e4SLinus Torvalds bool 15701da177e4SLinus Torvalds depends on !CPU_R3000 15711da177e4SLinus Torvalds default y 15721da177e4SLinus Torvalds 1573ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1574ea580401SRalf Baechle bool 1575ea580401SRalf Baechle 15761da177e4SLinus Torvalds# 157720d60d99SMaciej W. Rozycki# CPU non-features 157820d60d99SMaciej W. Rozycki# 157920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 158020d60d99SMaciej W. Rozycki bool 158120d60d99SMaciej W. Rozycki 158220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 158320d60d99SMaciej W. Rozycki bool 158420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 158520d60d99SMaciej W. Rozycki 158620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 158720d60d99SMaciej W. Rozycki bool 158820d60d99SMaciej W. Rozycki 158920d60d99SMaciej W. Rozycki# 1590797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1591797798c1SRalf Baechle# 1592797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1593797798c1SRalf Baechle bool 1594797798c1SRalf Baechle default y 1595797798c1SRalf Baechle 1596797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1597797798c1SRalf Baechle bool 1598797798c1SRalf Baechle default y 1599797798c1SRalf Baechle 16000d7012a9SIngo Molnarconfig IRQ_PER_CPU 16010d7012a9SIngo Molnar bool 16020d7012a9SIngo Molnar 1603797798c1SRalf Baechle# 16041da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16051da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16061da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16071da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16081da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16091da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16101da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16111da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1612797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1613797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1614797798c1SRalf Baechle# support. 16151da177e4SLinus Torvalds# 16161da177e4SLinus Torvaldsconfig HIGHMEM 16171da177e4SLinus Torvalds bool "High Memory Support" 1618797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1619797798c1SRalf Baechle 1620797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1621797798c1SRalf Baechle bool 1622797798c1SRalf Baechle 1623797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1624797798c1SRalf Baechle bool 16251da177e4SLinus Torvalds 16269693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16279693a853SFranck Bui-Huu bool 16289693a853SFranck Bui-Huu 1629b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1630b4819b59SYoichi Yuasa def_bool y 1631b4819b59SYoichi Yuasa depends on !NUMA 1632b4819b59SYoichi Yuasa 1633d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1634d8cb4e11SRalf Baechle bool 1635d8cb4e11SRalf Baechle default y if SGI_IP27 1636d8cb4e11SRalf Baechle help 16373dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1638d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1639d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1640d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1641d8cb4e11SRalf Baechle 1642cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1643cce335aeSRalf Baechle def_bool y 1644cce335aeSRalf Baechle 1645b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1646b1c6cd42SAtsushi Nemoto bool 16477de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 164831473747SAtsushi Nemoto 1649d8cb4e11SRalf Baechleconfig NUMA 1650d8cb4e11SRalf Baechle bool "NUMA Support" 1651d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1652d8cb4e11SRalf Baechle help 1653d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1654d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1655d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1656d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1657d8cb4e11SRalf Baechle disabled. 1658d8cb4e11SRalf Baechle 1659d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1660d8cb4e11SRalf Baechle bool 1661d8cb4e11SRalf Baechle 1662c80d79d7SYasunori Gotoconfig NODES_SHIFT 1663c80d79d7SYasunori Goto int 1664c80d79d7SYasunori Goto default "6" 1665c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1666c80d79d7SYasunori Goto 1667b4819b59SYoichi Yuasasource "mm/Kconfig" 1668b4819b59SYoichi Yuasa 16691da177e4SLinus Torvaldsconfig SMP 16701da177e4SLinus Torvalds bool "Multi-Processing support" 1671e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1672b4b30a5aSRalf Baechle select IRQ_PER_CPU 16732f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1674e73ea273SRalf Baechle help 16751da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16761da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16771da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16781da177e4SLinus Torvalds 16791da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16801da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16811da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16821da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16831da177e4SLinus Torvalds will run faster if you say N here. 16841da177e4SLinus Torvalds 16851da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16861da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16871da177e4SLinus Torvalds 168803502faaSAdrian Bunk See also the SMP-HOWTO available at 168903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 16901da177e4SLinus Torvalds 16911da177e4SLinus Torvalds If you don't know what to do here, say N. 16921da177e4SLinus Torvalds 169387353d8aSRalf Baechleconfig SMP_UP 169487353d8aSRalf Baechle bool 169587353d8aSRalf Baechle 1696e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1697e73ea273SRalf Baechle bool 1698e73ea273SRalf Baechle 169972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 170072ede9b1SAtsushi Nemoto bool 170172ede9b1SAtsushi Nemoto 1702130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1703130e2fb7SRalf Baechle bool 1704130e2fb7SRalf Baechle 1705130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1706130e2fb7SRalf Baechle bool 1707130e2fb7SRalf Baechle 1708130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1709130e2fb7SRalf Baechle bool 1710130e2fb7SRalf Baechle 1711130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1712130e2fb7SRalf Baechle bool 1713130e2fb7SRalf Baechle 1714130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1715130e2fb7SRalf Baechle bool 1716130e2fb7SRalf Baechle 1717130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1718130e2fb7SRalf Baechle bool 1719130e2fb7SRalf Baechle 17201da177e4SLinus Torvaldsconfig NR_CPUS 17211da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 172272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17231da177e4SLinus Torvalds depends on SMP 172472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1725130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1726130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1727130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1728130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1729130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1730130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 17311da177e4SLinus Torvalds help 17321da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 17331da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 17341da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 173572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 173672ede9b1SAtsushi Nemoto and 2 for all others. 17371da177e4SLinus Torvalds 17381da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 173972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 174072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 174172ede9b1SAtsushi Nemoto power of two. 17421da177e4SLinus Torvalds 174339b8d525SRalf Baechleconfig MIPS_CMP 174439b8d525SRalf Baechle bool "MIPS CMP framework support" 174539b8d525SRalf Baechle depends on SMP 174639b8d525SRalf Baechle select SYNC_R4K 174739b8d525SRalf Baechle select SYS_SUPPORTS_SCHED_SMT 174839b8d525SRalf Baechle select WEAK_ORDERING 174939b8d525SRalf Baechle default n 175039b8d525SRalf Baechle help 175139b8d525SRalf Baechle This is a placeholder option for the GCMP work. It will need to 175239b8d525SRalf Baechle be handled differently... 175339b8d525SRalf Baechle 1754c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1755c4eee283SAtsushi Nemoto 17561723b4a3SAtsushi Nemoto# 17571723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 17581723b4a3SAtsushi Nemoto# 17591723b4a3SAtsushi Nemoto 17601723b4a3SAtsushi Nemotochoice 17611723b4a3SAtsushi Nemoto prompt "Timer frequency" 17621723b4a3SAtsushi Nemoto default HZ_250 17631723b4a3SAtsushi Nemoto help 17641723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 17651723b4a3SAtsushi Nemoto 17661723b4a3SAtsushi Nemoto config HZ_48 17670f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 17681723b4a3SAtsushi Nemoto 17691723b4a3SAtsushi Nemoto config HZ_100 17701723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17711723b4a3SAtsushi Nemoto 17721723b4a3SAtsushi Nemoto config HZ_128 17731723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17741723b4a3SAtsushi Nemoto 17751723b4a3SAtsushi Nemoto config HZ_250 17761723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17771723b4a3SAtsushi Nemoto 17781723b4a3SAtsushi Nemoto config HZ_256 17791723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17801723b4a3SAtsushi Nemoto 17811723b4a3SAtsushi Nemoto config HZ_1000 17821723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17831723b4a3SAtsushi Nemoto 17841723b4a3SAtsushi Nemoto config HZ_1024 17851723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17861723b4a3SAtsushi Nemoto 17871723b4a3SAtsushi Nemotoendchoice 17881723b4a3SAtsushi Nemoto 17891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17901723b4a3SAtsushi Nemoto bool 17911723b4a3SAtsushi Nemoto 17921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17931723b4a3SAtsushi Nemoto bool 17941723b4a3SAtsushi Nemoto 17951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17961723b4a3SAtsushi Nemoto bool 17971723b4a3SAtsushi Nemoto 17981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17991723b4a3SAtsushi Nemoto bool 18001723b4a3SAtsushi Nemoto 18011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18021723b4a3SAtsushi Nemoto bool 18031723b4a3SAtsushi Nemoto 18041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18051723b4a3SAtsushi Nemoto bool 18061723b4a3SAtsushi Nemoto 18071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18081723b4a3SAtsushi Nemoto bool 18091723b4a3SAtsushi Nemoto 18101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18111723b4a3SAtsushi Nemoto bool 18121723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18131723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18141723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18151723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18161723b4a3SAtsushi Nemoto 18171723b4a3SAtsushi Nemotoconfig HZ 18181723b4a3SAtsushi Nemoto int 18191723b4a3SAtsushi Nemoto default 48 if HZ_48 18201723b4a3SAtsushi Nemoto default 100 if HZ_100 18211723b4a3SAtsushi Nemoto default 128 if HZ_128 18221723b4a3SAtsushi Nemoto default 250 if HZ_250 18231723b4a3SAtsushi Nemoto default 256 if HZ_256 18241723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18251723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18261723b4a3SAtsushi Nemoto 1827e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18281da177e4SLinus Torvalds 18291da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18301da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1831875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18321da177e4SLinus Torvalds help 18331da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18341da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18351da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18361da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18371da177e4SLinus Torvalds recommended for normal users. 18381da177e4SLinus Torvalds 1839ea6e942bSAtsushi Nemotoconfig KEXEC 1840ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1841ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1842ea6e942bSAtsushi Nemoto help 1843ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1844ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 18453dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1846ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1847ea6e942bSAtsushi Nemoto 184801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1849ea6e942bSAtsushi Nemoto 1850ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1851ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1852ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1853ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1854ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1855ea6e942bSAtsushi Nemoto 1856ea6e942bSAtsushi Nemotoconfig SECCOMP 1857ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1858293c5bd1SRalf Baechle depends on PROC_FS 1859ea6e942bSAtsushi Nemoto default y 1860ea6e942bSAtsushi Nemoto help 1861ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1862ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1863ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1864ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1865ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1866ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1867ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1868ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1869ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1870ea6e942bSAtsushi Nemoto 1871ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1872ea6e942bSAtsushi Nemoto 18735e83d430SRalf Baechleendmenu 18745e83d430SRalf Baechle 18751da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18761da177e4SLinus Torvalds bool 18771da177e4SLinus Torvalds default y 18781da177e4SLinus Torvalds 18791df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18801df0f0ffSAtsushi Nemoto bool 18811df0f0ffSAtsushi Nemoto default y 18821df0f0ffSAtsushi Nemoto 18831df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18841df0f0ffSAtsushi Nemoto bool 18851df0f0ffSAtsushi Nemoto default y 18861df0f0ffSAtsushi Nemoto 1887b6c3539bSRalf Baechlesource "init/Kconfig" 1888b6c3539bSRalf Baechle 1889*0011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 1890*0011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 1891*0011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 1892*0011036bSAtsushi Nemoto help 1893*0011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 1894*0011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 1895*0011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 1896*0011036bSAtsushi Nemoto Otherwise, say N. 1897*0011036bSAtsushi Nemoto 18981da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18991da177e4SLinus Torvalds 19005e83d430SRalf Baechleconfig HW_HAS_EISA 19015e83d430SRalf Baechle bool 19021da177e4SLinus Torvaldsconfig HW_HAS_PCI 19031da177e4SLinus Torvalds bool 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvaldsconfig PCI 19061da177e4SLinus Torvalds bool "Support for PCI controller" 19071da177e4SLinus Torvalds depends on HW_HAS_PCI 1908abb4ae46SRalf Baechle select PCI_DOMAINS 19091da177e4SLinus Torvalds help 19101da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19111da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19121da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19131da177e4SLinus Torvalds say Y, otherwise N. 19141da177e4SLinus Torvalds 19151da177e4SLinus Torvaldsconfig PCI_DOMAINS 19161da177e4SLinus Torvalds bool 19171da177e4SLinus Torvalds 19181da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvalds# 19211da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19221da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19231da177e4SLinus Torvalds# users to choose the right thing ... 19241da177e4SLinus Torvalds# 19251da177e4SLinus Torvaldsconfig ISA 19261da177e4SLinus Torvalds bool 19271da177e4SLinus Torvalds 19281da177e4SLinus Torvaldsconfig EISA 19291da177e4SLinus Torvalds bool "EISA support" 19305e83d430SRalf Baechle depends on HW_HAS_EISA 19311da177e4SLinus Torvalds select ISA 1932aa414dffSRalf Baechle select GENERIC_ISA_DMA 19331da177e4SLinus Torvalds ---help--- 19341da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19351da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19381da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19391da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19401da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19431da177e4SLinus Torvalds 19441da177e4SLinus Torvalds Otherwise, say N. 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvaldsconfig TC 19491da177e4SLinus Torvalds bool "TURBOchannel support" 19501da177e4SLinus Torvalds depends on MACH_DECSTATION 19511da177e4SLinus Torvalds help 19521da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 19531da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 19541da177e4SLinus Torvalds is available at: 19551da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 19561da177e4SLinus Torvalds 19571da177e4SLinus Torvalds#config ACCESSBUS 19581da177e4SLinus Torvalds# bool "Access.Bus support" 19591da177e4SLinus Torvalds# depends on TC 19601da177e4SLinus Torvalds 19611da177e4SLinus Torvaldsconfig MMU 19621da177e4SLinus Torvalds bool 19631da177e4SLinus Torvalds default y 19641da177e4SLinus Torvalds 1965d865bea4SRalf Baechleconfig I8253 1966d865bea4SRalf Baechle bool 1967d865bea4SRalf Baechle 1968cce335aeSRalf Baechleconfig ZONE_DMA32 1969cce335aeSRalf Baechle bool 1970cce335aeSRalf Baechle 19711da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 19721da177e4SLinus Torvalds 19731da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 19741da177e4SLinus Torvalds 19751da177e4SLinus Torvaldsendmenu 19761da177e4SLinus Torvalds 19771da177e4SLinus Torvaldsmenu "Executable file formats" 19781da177e4SLinus Torvalds 19791da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19801da177e4SLinus Torvalds 19811da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19821da177e4SLinus Torvalds bool 19831da177e4SLinus Torvalds 19841da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19851da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1986875d43e7SRalf Baechle depends on 64BIT 19871da177e4SLinus Torvalds help 19881da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19891da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19901da177e4SLinus Torvalds currently 32-bit you should say Y here. 19911da177e4SLinus Torvalds 19921da177e4SLinus Torvaldsconfig COMPAT 19931da177e4SLinus Torvalds bool 19941da177e4SLinus Torvalds depends on MIPS32_COMPAT 19951da177e4SLinus Torvalds default y 19961da177e4SLinus Torvalds 199705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 199805e43966SAtsushi Nemoto bool 199905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 200005e43966SAtsushi Nemoto default y 200105e43966SAtsushi Nemoto 20021da177e4SLinus Torvaldsconfig MIPS32_O32 20031da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20041da177e4SLinus Torvalds depends on MIPS32_COMPAT 20051da177e4SLinus Torvalds help 20061da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20071da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20081da177e4SLinus Torvalds existing binaries are in this format. 20091da177e4SLinus Torvalds 20101da177e4SLinus Torvalds If unsure, say Y. 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvaldsconfig MIPS32_N32 20131da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20141da177e4SLinus Torvalds depends on MIPS32_COMPAT 20151da177e4SLinus Torvalds help 20161da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20171da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20181da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20191da177e4SLinus Torvalds cases. 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvalds If unsure, say N. 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvaldsconfig BINFMT_ELF32 20241da177e4SLinus Torvalds bool 20251da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20261da177e4SLinus Torvalds 20272116245eSRalf Baechleendmenu 20281da177e4SLinus Torvalds 20292116245eSRalf Baechlemenu "Power management options" 2030952fa954SRodolfo Giometti 2031f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2032f4cb5700SJohannes Berg def_bool y 2033f4cb5700SJohannes Berg depends on !SMP 2034f4cb5700SJohannes Berg 20352116245eSRalf Baechlesource "kernel/power/Kconfig" 2036952fa954SRodolfo Giometti 20371da177e4SLinus Torvaldsendmenu 20381da177e4SLinus Torvalds 2039d5950b43SSam Ravnborgsource "net/Kconfig" 2040d5950b43SSam Ravnborg 20411da177e4SLinus Torvaldssource "drivers/Kconfig" 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvaldssource "fs/Kconfig" 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvaldssource "security/Kconfig" 20481da177e4SLinus Torvalds 20491da177e4SLinus Torvaldssource "crypto/Kconfig" 20501da177e4SLinus Torvalds 20511da177e4SLinus Torvaldssource "lib/Kconfig" 2052