11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4ec7748b5SSam Ravnborg select HAVE_IDE 542d4b839SMathieu Desnoyers select HAVE_OPROFILE 61da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 71da177e4SLinus Torvalds select EMBEDDED 890b02340SRalf Baechle select RTC_LIB 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 111da177e4SLinus Torvalds 121da177e4SLinus Torvaldsmenu "Machine selection" 131da177e4SLinus Torvalds 145ac6da66SChristoph Lameterconfig ZONE_DMA 155ac6da66SChristoph Lameter bool 165ac6da66SChristoph Lameter 175e83d430SRalf Baechlechoice 185e83d430SRalf Baechle prompt "System type" 195e83d430SRalf Baechle default SGI_IP22 201da177e4SLinus Torvalds 21c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 22c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 231da177e4SLinus Torvalds 2435189fadSRalf Baechleconfig BASLER_EXCITE 25be91589eSThomas Koeller bool "Basler eXcite smart camera" 2642f77542SRalf Baechle select CEVT_R4K 27940f6b48SRalf Baechle select CSRC_R4K 2835189fadSRalf Baechle select DMA_COHERENT 2935189fadSRalf Baechle select HW_HAS_PCI 3035189fadSRalf Baechle select IRQ_CPU 3135189fadSRalf Baechle select IRQ_CPU_RM7K 3235189fadSRalf Baechle select IRQ_CPU_RM9K 33663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3435189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3535189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3635189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 37cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 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 SYS_SUPPORTS_KGDB 2849267a30dSMarc St-Jean select IRQ_CPU 2859267a30dSMarc St-Jean select SERIAL_8250 2869267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2879267a30dSMarc St-Jean help 2889267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2899267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2909267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2919267a30dSMarc St-Jean a variety of MIPS cores. 2929267a30dSMarc St-Jean 2935e83d430SRalf Baechleconfig PMC_YOSEMITE 2943fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 29542f77542SRalf Baechle select CEVT_R4K 296940f6b48SRalf Baechle select CSRC_R4K 2975e83d430SRalf Baechle select DMA_COHERENT 2985e83d430SRalf Baechle select HW_HAS_PCI 2995e83d430SRalf Baechle select IRQ_CPU 3005e83d430SRalf Baechle select IRQ_CPU_RM7K 3015e83d430SRalf Baechle select IRQ_CPU_RM9K 3025e83d430SRalf Baechle select SWAP_IO_SPACE 3037cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3055e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3065e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3075e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3085e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 309cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 310e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3115e83d430SRalf Baechle help 3125e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3135e83d430SRalf Baechle manufactured by PMC-Sierra. 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvaldsconfig SGI_IP22 3163fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3171da177e4SLinus Torvalds select ARC 3181da177e4SLinus Torvalds select ARC32 3191da177e4SLinus Torvalds select BOOT_ELF32 32042f77542SRalf Baechle select CEVT_R4K 321940f6b48SRalf Baechle select CSRC_R4K 322e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3231da177e4SLinus Torvalds select DMA_NONCOHERENT 3245e83d430SRalf Baechle select HW_HAS_EISA 325d865bea4SRalf Baechle select I8253 32668de4803SThomas Bogendoerfer select I8259 3271da177e4SLinus Torvalds select IP22_CPU_SCACHE 3281da177e4SLinus Torvalds select IRQ_CPU 329aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 330e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 331e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 332e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 333e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 334e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 335e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3361da177e4SLinus Torvalds select SWAP_IO_SPACE 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3387cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 33936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3431da177e4SLinus Torvalds help 3441da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3451da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3461da177e4SLinus Torvalds that runs on these, say Y here. 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvaldsconfig SGI_IP27 3493fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3501da177e4SLinus Torvalds select ARC 3511da177e4SLinus Torvalds select ARC64 3525e83d430SRalf Baechle select BOOT_ELF64 353e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3541da177e4SLinus Torvalds select DMA_IP27 35536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3561da177e4SLinus Torvalds select HW_HAS_PCI 357130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3587cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 359ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3605e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 361cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 362d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3631a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 364e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3651da177e4SLinus Torvalds help 3661da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3671da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3681da177e4SLinus Torvalds here. 3691da177e4SLinus Torvalds 370e2defae5SThomas Bogendoerferconfig SGI_IP28 371e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 372e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 373e2defae5SThomas Bogendoerfer select ARC 374e2defae5SThomas Bogendoerfer select ARC64 375e2defae5SThomas Bogendoerfer select BOOT_ELF64 376e2defae5SThomas Bogendoerfer select CEVT_R4K 377e2defae5SThomas Bogendoerfer select CSRC_R4K 378e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 379e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 380e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 381e2defae5SThomas Bogendoerfer select IRQ_CPU 382e2defae5SThomas Bogendoerfer select HW_HAS_EISA 383e2defae5SThomas Bogendoerfer select I8253 384e2defae5SThomas Bogendoerfer select I8259 385e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 386e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 387e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 388e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 389e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 390e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 391e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 392e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 393e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 394e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 395e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 396e2defae5SThomas Bogendoerfer help 397e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 398e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 399e2defae5SThomas Bogendoerfer 4001da177e4SLinus Torvaldsconfig SGI_IP32 401cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4021da177e4SLinus Torvalds select ARC 4031da177e4SLinus Torvalds select ARC32 4041da177e4SLinus Torvalds select BOOT_ELF32 40542f77542SRalf Baechle select CEVT_R4K 406940f6b48SRalf Baechle select CSRC_R4K 4071da177e4SLinus Torvalds select DMA_NONCOHERENT 4081da177e4SLinus Torvalds select HW_HAS_PCI 409dd67b155SRalf Baechle select IRQ_CPU 4101da177e4SLinus Torvalds select R5000_CPU_SCACHE 4111da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4137cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4147cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 415dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 416ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4181da177e4SLinus Torvalds help 4191da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4201da177e4SLinus Torvalds 421ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 422ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4235e83d430SRalf Baechle depends on EXPERIMENTAL 4245e83d430SRalf Baechle select BOOT_ELF32 4255e83d430SRalf Baechle select DMA_COHERENT 4265e83d430SRalf Baechle select SIBYTE_BCM1120 4275e83d430SRalf Baechle select SWAP_IO_SPACE 4287cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4295e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4315e83d430SRalf Baechle 432ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 433ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4345e83d430SRalf Baechle depends on EXPERIMENTAL 4355e83d430SRalf Baechle select BOOT_ELF32 4365e83d430SRalf Baechle select DMA_COHERENT 4375e83d430SRalf Baechle select SIBYTE_BCM1120 4385e83d430SRalf Baechle select SWAP_IO_SPACE 4397cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4425e83d430SRalf Baechle 4435e83d430SRalf Baechleconfig SIBYTE_CRHONE 4443fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4455e83d430SRalf Baechle depends on EXPERIMENTAL 4465e83d430SRalf Baechle select BOOT_ELF32 4475e83d430SRalf Baechle select DMA_COHERENT 4485e83d430SRalf Baechle select SIBYTE_BCM1125 4495e83d430SRalf Baechle select SWAP_IO_SPACE 4507cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4515e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4525e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4545e83d430SRalf Baechle 455ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 456ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 457ade299d8SYoichi Yuasa depends on EXPERIMENTAL 458ade299d8SYoichi Yuasa select BOOT_ELF32 459ade299d8SYoichi Yuasa select DMA_COHERENT 460ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 461ade299d8SYoichi Yuasa select SWAP_IO_SPACE 462ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 463ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 464ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 465ade299d8SYoichi Yuasa 466ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 467ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 468ade299d8SYoichi Yuasa select BOOT_ELF32 469ade299d8SYoichi Yuasa select DMA_COHERENT 470ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 471ade299d8SYoichi Yuasa select SIBYTE_SB1250 472ade299d8SYoichi Yuasa select SWAP_IO_SPACE 473ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 475ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 476ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 477ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 478cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 479ade299d8SYoichi Yuasa 480ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 481ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 482ade299d8SYoichi Yuasa depends on EXPERIMENTAL 483ade299d8SYoichi Yuasa select BOOT_ELF32 484ade299d8SYoichi Yuasa select DMA_COHERENT 485ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 486ade299d8SYoichi Yuasa select SIBYTE_SB1250 487ade299d8SYoichi Yuasa select SWAP_IO_SPACE 488ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 489ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 490ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 491ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 492ade299d8SYoichi Yuasa 493ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 494ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 495ade299d8SYoichi Yuasa depends on EXPERIMENTAL 496ade299d8SYoichi Yuasa select BOOT_ELF32 497ade299d8SYoichi Yuasa select DMA_COHERENT 498ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 499ade299d8SYoichi Yuasa select SIBYTE_SB1250 500ade299d8SYoichi Yuasa select SWAP_IO_SPACE 501ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 502ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 503ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 504ade299d8SYoichi Yuasa 505ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 506ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 507ade299d8SYoichi Yuasa select BOOT_ELF32 508ade299d8SYoichi Yuasa select DMA_COHERENT 509ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 510ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 511ade299d8SYoichi Yuasa select SWAP_IO_SPACE 512ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 514651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 515ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 516cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 517ade299d8SYoichi Yuasa 51814b36af4SThomas Bogendoerferconfig SNI_RM 51914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5204a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5214a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 522231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5235e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5245e83d430SRalf Baechle select BOOT_ELF32 52542f77542SRalf Baechle select CEVT_R4K 526940f6b48SRalf Baechle select CSRC_R4K 527e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5285e83d430SRalf Baechle select DMA_NONCOHERENT 5295e83d430SRalf Baechle select GENERIC_ISA_DMA 5305e83d430SRalf Baechle select HW_HAS_EISA 5315e83d430SRalf Baechle select HW_HAS_PCI 532c066a32aSThomas Bogendoerfer select IRQ_CPU 533d865bea4SRalf Baechle select I8253 5345e83d430SRalf Baechle select I8259 5355e83d430SRalf Baechle select ISA 5364a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5384a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 539c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5404a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 542ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5435e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5444a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5455e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5465e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5471da177e4SLinus Torvalds help 54814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5505e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5515e83d430SRalf Baechle support this machine type. 5521da177e4SLinus Torvalds 5535e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5543fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 555229f773eSAtsushi Nemoto select CEVT_TXX9 5565e83d430SRalf Baechle select DMA_NONCOHERENT 5575e83d430SRalf Baechle select HW_HAS_PCI 5585e83d430SRalf Baechle select MIPS_TX3927 559c87abd75SAtsushi Nemoto select IRQ_TXX9 5605e83d430SRalf Baechle select SWAP_IO_SPACE 5617cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5625e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5636a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5652127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5661bd0962eSAtsushi Nemoto select GPIO_TXX9 5675e83d430SRalf Baechle 5685e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 56908a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 57042f77542SRalf Baechle select CEVT_R4K 571940f6b48SRalf Baechle select CSRC_R4K 572229f773eSAtsushi Nemoto select CEVT_TXX9 5735e83d430SRalf Baechle select DMA_NONCOHERENT 5745e83d430SRalf Baechle select HAS_TXX9_SERIAL 5755e83d430SRalf Baechle select HW_HAS_PCI 576c87abd75SAtsushi Nemoto select IRQ_CPU 577c87abd75SAtsushi Nemoto select IRQ_TXX9 578c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5795e83d430SRalf Baechle select SWAP_IO_SPACE 5807cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5815e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5825e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5836a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5845e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 585cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5869fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5875e83d430SRalf Baechle help 5885e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5895e83d430SRalf Baechle support this machine type 5901da177e4SLinus Torvalds 59123fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5923fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59342f77542SRalf Baechle select CEVT_R4K 594940f6b48SRalf Baechle select CSRC_R4K 595229f773eSAtsushi Nemoto select CEVT_TXX9 59623fbee9dSRalf Baechle select DMA_NONCOHERENT 59723fbee9dSRalf Baechle select HAS_TXX9_SERIAL 59823fbee9dSRalf Baechle select HW_HAS_PCI 599c87abd75SAtsushi Nemoto select IRQ_CPU 600c87abd75SAtsushi Nemoto select IRQ_TXX9 60123fbee9dSRalf Baechle select SWAP_IO_SPACE 6027cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 60323fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 60423fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 60523fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 606cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6079fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6084cad154bSAtsushi Nemoto select GPIO_TXX9 60923fbee9dSRalf Baechle help 61023fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 61123fbee9dSRalf Baechle support this machine type 61223fbee9dSRalf Baechle 613ade299d8SYoichi Yuasaconfig WR_PPMC 614ade299d8SYoichi Yuasa bool "Wind River PPMC board" 61542f77542SRalf Baechle select CEVT_R4K 616940f6b48SRalf Baechle select CSRC_R4K 617ade299d8SYoichi Yuasa select IRQ_CPU 618ade299d8SYoichi Yuasa select BOOT_ELF32 619ade299d8SYoichi Yuasa select DMA_NONCOHERENT 620ade299d8SYoichi Yuasa select HW_HAS_PCI 621ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 622ade299d8SYoichi Yuasa select SWAP_IO_SPACE 623ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 624ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 625ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 626ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 627ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 628ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 629ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 630ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 631ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 632ade299d8SYoichi Yuasa help 633ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 634ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 635ade299d8SYoichi Yuasa 6361da177e4SLinus Torvaldsendchoice 6371da177e4SLinus Torvalds 638c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6399c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6405e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6411f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6425e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 645*22b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6465e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 64738b18f72SRalf Baechle 6485e83d430SRalf Baechleendmenu 6495e83d430SRalf Baechle 65095c354feSNick Pigginconfig GENERIC_LOCKBREAK 65195c354feSNick Piggin bool 65295c354feSNick Piggin default y 65395c354feSNick Piggin depends on SMP && PREEMPT 65495c354feSNick Piggin 6551da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6561da177e4SLinus Torvalds bool 6571da177e4SLinus Torvalds default y 6581da177e4SLinus Torvalds 6591da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6601da177e4SLinus Torvalds bool 6611da177e4SLinus Torvalds 662f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 663f0d1b0b3SDavid Howells bool 664f0d1b0b3SDavid Howells default n 665f0d1b0b3SDavid Howells 666f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 667f0d1b0b3SDavid Howells bool 668f0d1b0b3SDavid Howells default n 669f0d1b0b3SDavid Howells 67000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 67100a58253SRalf Baechle bool 67200a58253SRalf Baechle default y if !MIPS_MT_SMTC 67300a58253SRalf Baechle 6743c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6753c9ee7efSAkinobu Mita bool 6763c9ee7efSAkinobu Mita default y 6773c9ee7efSAkinobu Mita 6783c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6793c9ee7efSAkinobu Mita bool 6803c9ee7efSAkinobu Mita default y 6813c9ee7efSAkinobu Mita 6821da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6831da177e4SLinus Torvalds bool 6841da177e4SLinus Torvalds default y 6851da177e4SLinus Torvalds 6867bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6877bcf7717SRalf Baechle bool 6887bcf7717SRalf Baechle default y 6897bcf7717SRalf Baechle 6908db02010SRalf Baechleconfig GENERIC_TIME 6918db02010SRalf Baechle bool 6928db02010SRalf Baechle default y 6938db02010SRalf Baechle 694f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 695f5ff0a28SRalf Baechle bool 696f5ff0a28SRalf Baechle default y 697f5ff0a28SRalf Baechle 6981cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6991cc89038SAtsushi Nemoto bool 7001cc89038SAtsushi Nemoto default y 7011cc89038SAtsushi Nemoto 702e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 703e77c232cSFranck Bui-Huu bool 704e77c232cSFranck Bui-Huu default n 705e77c232cSFranck Bui-Huu 7061da177e4SLinus Torvalds# 7071da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7081da177e4SLinus Torvalds# 7091da177e4SLinus Torvaldsconfig ARC 7101da177e4SLinus Torvalds bool 7111da177e4SLinus Torvalds 71261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 71361ed242dSRalf Baechle bool 71461ed242dSRalf Baechle 7159267a30dSMarc St-Jeanconfig BOOT_RAW 7169267a30dSMarc St-Jean bool 7179267a30dSMarc St-Jean 718217dd11eSRalf Baechleconfig CEVT_BCM1480 719217dd11eSRalf Baechle bool 720217dd11eSRalf Baechle 7216457d9fcSYoichi Yuasaconfig CEVT_DS1287 7226457d9fcSYoichi Yuasa bool 7236457d9fcSYoichi Yuasa 7241097c6acSYoichi Yuasaconfig CEVT_GT641XX 7251097c6acSYoichi Yuasa bool 7261097c6acSYoichi Yuasa 72742f77542SRalf Baechleconfig CEVT_R4K 72842f77542SRalf Baechle bool 72942f77542SRalf Baechle 730217dd11eSRalf Baechleconfig CEVT_SB1250 731217dd11eSRalf Baechle bool 732217dd11eSRalf Baechle 733229f773eSAtsushi Nemotoconfig CEVT_TXX9 734229f773eSAtsushi Nemoto bool 735229f773eSAtsushi Nemoto 736217dd11eSRalf Baechleconfig CSRC_BCM1480 737217dd11eSRalf Baechle bool 738217dd11eSRalf Baechle 7394247417dSYoichi Yuasaconfig CSRC_IOASIC 7404247417dSYoichi Yuasa bool 7414247417dSYoichi Yuasa 742940f6b48SRalf Baechleconfig CSRC_R4K 743940f6b48SRalf Baechle bool 744940f6b48SRalf Baechle 745217dd11eSRalf Baechleconfig CSRC_SB1250 746217dd11eSRalf Baechle bool 747217dd11eSRalf Baechle 748a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 749a9aec7feSAtsushi Nemoto select GENERIC_GPIO 750a9aec7feSAtsushi Nemoto select HAVE_GPIO_LIB 751a9aec7feSAtsushi Nemoto bool 752a9aec7feSAtsushi Nemoto 753df78b5c8SAurelien Jarnoconfig CFE 754df78b5c8SAurelien Jarno bool 755df78b5c8SAurelien Jarno 7561da177e4SLinus Torvaldsconfig DMA_COHERENT 7571da177e4SLinus Torvalds bool 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvaldsconfig DMA_IP27 7601da177e4SLinus Torvalds bool 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7631da177e4SLinus Torvalds bool 7644ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7654ce588cdSRalf Baechle 7664ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7674ce588cdSRalf Baechle bool 7681da177e4SLinus Torvalds 7691da177e4SLinus Torvaldsconfig EARLY_PRINTK 77036a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 77136a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77236a88530SRalf Baechle default y 77336a88530SRalf Baechle help 77436a88530SRalf Baechle This option enables special console drivers which allow the kernel 77536a88530SRalf Baechle to print messages very early in the bootup process. 77636a88530SRalf Baechle 77736a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 778490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 779490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 780490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 78136a88530SRalf Baechle unless you want to debug such a crash. 78236a88530SRalf Baechle 78336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7841da177e4SLinus Torvalds bool 7851da177e4SLinus Torvalds 786dbb74540SRalf Baechleconfig HOTPLUG_CPU 787dbb74540SRalf Baechle bool 788dbb74540SRalf Baechle default n 789dbb74540SRalf Baechle 7901da177e4SLinus Torvaldsconfig I8259 7911da177e4SLinus Torvalds bool 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvaldsconfig MIPS_BONITO64 7941da177e4SLinus Torvalds bool 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvaldsconfig MIPS_MSC 7971da177e4SLinus Torvalds bool 7981da177e4SLinus Torvalds 7991f21d2bdSBrian Murphyconfig MIPS_NILE4 8001f21d2bdSBrian Murphy bool 8011f21d2bdSBrian Murphy 8021da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8031da177e4SLinus Torvalds bool 8041da177e4SLinus Torvalds 80539b8d525SRalf Baechleconfig SYNC_R4K 80639b8d525SRalf Baechle bool 80739b8d525SRalf Baechle 808d388d685SMaciej W. Rozyckiconfig NO_IOPORT 809d388d685SMaciej W. Rozycki def_bool n 810d388d685SMaciej W. Rozycki 8118313da30SRalf Baechleconfig GENERIC_ISA_DMA 8128313da30SRalf Baechle bool 8138313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8148313da30SRalf Baechle 815aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 816aa414dffSRalf Baechle bool 8178313da30SRalf Baechle select GENERIC_ISA_DMA 818aa414dffSRalf Baechle 81909663335SYoichi Yuasaconfig GENERIC_GPIO 82009663335SYoichi Yuasa bool 82109663335SYoichi Yuasa 8225e83d430SRalf Baechle# 8233cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8245e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8255e83d430SRalf Baechle# choice statement should be more obvious to the user. 8265e83d430SRalf Baechle# 8275e83d430SRalf Baechlechoice 8285e83d430SRalf Baechle prompt "Endianess selection" 8291da177e4SLinus Torvalds help 8301da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8315e83d430SRalf Baechle byte order. These modes require different kernels and a different 8323cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8335e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8343dde6ad8SDavid Sterba one or the other endianness. 8355e83d430SRalf Baechle 8365e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8375e83d430SRalf Baechle bool "Big endian" 8385e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8395e83d430SRalf Baechle 8405e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8415e83d430SRalf Baechle bool "Little endian" 8425e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8435e83d430SRalf Baechle help 8445e83d430SRalf Baechle 8455e83d430SRalf Baechleendchoice 8465e83d430SRalf Baechle 8472116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8482116245eSRalf Baechle bool 8492116245eSRalf Baechle 8505e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8515e83d430SRalf Baechle bool 8525e83d430SRalf Baechle 8535e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8545e83d430SRalf Baechle bool 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvaldsconfig IRQ_CPU 8571da177e4SLinus Torvalds bool 8581da177e4SLinus Torvalds 8591da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8601da177e4SLinus Torvalds bool 8611da177e4SLinus Torvalds 8625e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8635e83d430SRalf Baechle bool 8645e83d430SRalf Baechle 8659267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8669267a30dSMarc St-Jean bool 8679267a30dSMarc St-Jean 8689267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8699267a30dSMarc St-Jean bool 8709267a30dSMarc St-Jean 8718420fd00SAtsushi Nemotoconfig IRQ_TXX9 8728420fd00SAtsushi Nemoto bool 8738420fd00SAtsushi Nemoto 874d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 875d5ab1a69SYoichi Yuasa bool 876d5ab1a69SYoichi Yuasa 87739b8d525SRalf Baechleconfig IRQ_GIC 87839b8d525SRalf Baechle bool 87939b8d525SRalf Baechle 8801da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8811da177e4SLinus Torvalds bool 8821da177e4SLinus Torvalds 883252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8841da177e4SLinus Torvalds bool 8851da177e4SLinus Torvalds 8869267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8879267a30dSMarc St-Jean bool 8889267a30dSMarc St-Jean 8891da177e4SLinus Torvaldsconfig MIPS_TX3927 8901da177e4SLinus Torvalds bool 8911da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8921da177e4SLinus Torvalds 893663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 894663c3d90Sthomas@koeller.dyndns.org bool 895663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 896663c3d90Sthomas@koeller.dyndns.org 897bdf21b18SPete Popovconfig PNX8550 898bdf21b18SPete Popov bool 899bdf21b18SPete Popov select SOC_PNX8550 900bdf21b18SPete Popov 901bdf21b18SPete Popovconfig SOC_PNX8550 902bdf21b18SPete Popov bool 903bdf21b18SPete Popov select DMA_NONCOHERENT 904bdf21b18SPete Popov select HW_HAS_PCI 905b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 90636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9077cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 908e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 909cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9104ead1681SFlorian Fainelli select GENERIC_GPIO 911bdf21b18SPete Popov 9121da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9131da177e4SLinus Torvalds bool 9141da177e4SLinus Torvalds 915355c471fSdmitry pervushinconfig EMMA2RH 916355c471fSdmitry pervushin bool 917355c471fSdmitry pervushin depends on MARKEINS 918355c471fSdmitry pervushin default y 919355c471fSdmitry pervushin 920663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 921663c3d90Sthomas@koeller.dyndns.org bool 922663c3d90Sthomas@koeller.dyndns.org 923e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 924e2defae5SThomas Bogendoerfer bool 925e2defae5SThomas Bogendoerfer 926e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 927e2defae5SThomas Bogendoerfer bool 928e2defae5SThomas Bogendoerfer 929e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 930e2defae5SThomas Bogendoerfer bool 931e2defae5SThomas Bogendoerfer 932e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 933e2defae5SThomas Bogendoerfer bool 934e2defae5SThomas Bogendoerfer 935e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 936e2defae5SThomas Bogendoerfer bool 937e2defae5SThomas Bogendoerfer 938e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 939e2defae5SThomas Bogendoerfer bool 940e2defae5SThomas Bogendoerfer 941e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 942e2defae5SThomas Bogendoerfer bool 943e2defae5SThomas Bogendoerfer 9445e83d430SRalf Baechleconfig ARC32 9455e83d430SRalf Baechle bool 9465e83d430SRalf Baechle 947231a35d3SThomas Bogendoerferconfig SNIPROM 948231a35d3SThomas Bogendoerfer bool 949231a35d3SThomas Bogendoerfer 9501da177e4SLinus Torvaldsconfig BOOT_ELF32 9511da177e4SLinus Torvalds bool 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9541da177e4SLinus Torvalds int 95506cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 9567e3297dcSThomas Bogendoerfer default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM 9579267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9581da177e4SLinus Torvalds default "5" 9591da177e4SLinus Torvalds 9601da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9611da177e4SLinus Torvalds bool 9621da177e4SLinus Torvalds 9631da177e4SLinus Torvaldsconfig ARC_CONSOLE 9641da177e4SLinus Torvalds bool "ARC console support" 965e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvaldsconfig ARC_MEMORY 9681da177e4SLinus Torvalds bool 96914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9701da177e4SLinus Torvalds default y 9711da177e4SLinus Torvalds 9721da177e4SLinus Torvaldsconfig ARC_PROMLIB 9731da177e4SLinus Torvalds bool 974e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9751da177e4SLinus Torvalds default y 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvaldsconfig ARC64 9781da177e4SLinus Torvalds bool 9791da177e4SLinus Torvalds 9801da177e4SLinus Torvaldsconfig BOOT_ELF64 9811da177e4SLinus Torvalds bool 9821da177e4SLinus Torvalds 9831da177e4SLinus Torvaldsmenu "CPU selection" 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvaldschoice 9861da177e4SLinus Torvalds prompt "CPU type" 9871da177e4SLinus Torvalds default CPU_R4X00 9881da177e4SLinus Torvalds 9892a21c730SFuxin Zhangconfig CPU_LOONGSON2 9902a21c730SFuxin Zhang bool "Loongson 2" 9912a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9922a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9932a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9942a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9952a21c730SFuxin Zhang help 9962a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9972a21c730SFuxin Zhang with many extensions. 9982a21c730SFuxin Zhang 9996e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10006e760c8dSRalf Baechle bool "MIPS32 Release 1" 10017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1002f7062ddbSRalf Baechle select CPU_HAS_LLSC 10036e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1004797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1005ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10066e760c8dSRalf Baechle help 10075e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10081e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10091e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10101e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10111e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10121e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10131e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10141e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10151e5f1caaSRalf Baechle performance. 10161e5f1caaSRalf Baechle 10171e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10181e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10197cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1020f7062ddbSRalf Baechle select CPU_HAS_LLSC 10211e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1022797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1023ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10241e5f1caaSRalf Baechle help 10255e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10266e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10276e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10286e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10296e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10301da177e4SLinus Torvalds 10316e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10326e760c8dSRalf Baechle bool "MIPS64 Release 1" 10337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1034f7062ddbSRalf Baechle select CPU_HAS_LLSC 1035797798c1SRalf Baechle select CPU_HAS_PREFETCH 1036ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1037ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1038ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10396e760c8dSRalf Baechle help 10406e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10416e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10426e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10436e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10446e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10451e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10461e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10471e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10481e5f1caaSRalf Baechle performance. 10491e5f1caaSRalf Baechle 10501e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10511e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10527cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1053f7062ddbSRalf Baechle select CPU_HAS_LLSC 1054797798c1SRalf Baechle select CPU_HAS_PREFETCH 10551e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10561e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1057ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10581e5f1caaSRalf Baechle help 10591e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10601e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10611e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10621e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10631e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10641da177e4SLinus Torvalds 10651da177e4SLinus Torvaldsconfig CPU_R3000 10661da177e4SLinus Torvalds bool "R3000" 10677cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1068f7062ddbSRalf Baechle select CPU_HAS_WB 1069ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1070797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10711da177e4SLinus Torvalds help 10721da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10731da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10741da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10751da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10761da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10771da177e4SLinus Torvalds try to recompile with R3000. 10781da177e4SLinus Torvalds 10791da177e4SLinus Torvaldsconfig CPU_TX39XX 10801da177e4SLinus Torvalds bool "R39XX" 10817cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1082ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10831da177e4SLinus Torvalds 10841da177e4SLinus Torvaldsconfig CPU_VR41XX 10851da177e4SLinus Torvalds bool "R41xx" 10867cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1087ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1088ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10891da177e4SLinus Torvalds help 10905e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10911da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10921da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10931da177e4SLinus Torvalds processor or vice versa. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig CPU_R4300 10961da177e4SLinus Torvalds bool "R4300" 10977cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1098f7062ddbSRalf Baechle select CPU_HAS_LLSC 1099ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11011da177e4SLinus Torvalds help 11021da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvaldsconfig CPU_R4X00 11051da177e4SLinus Torvalds bool "R4x00" 11067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1107f7062ddbSRalf Baechle select CPU_HAS_LLSC 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1109ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11101da177e4SLinus Torvalds help 11111da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11121da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvaldsconfig CPU_TX49XX 11151da177e4SLinus Torvalds bool "R49XX" 11167cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1117f7062ddbSRalf Baechle select CPU_HAS_LLSC 1118de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1119ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1120ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvaldsconfig CPU_R5000 11231da177e4SLinus Torvalds bool "R5000" 11247cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1125f7062ddbSRalf Baechle select CPU_HAS_LLSC 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11301da177e4SLinus Torvalds 11311da177e4SLinus Torvaldsconfig CPU_R5432 11321da177e4SLinus Torvalds bool "R5432" 11337cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1134f7062ddbSRalf Baechle select CPU_HAS_LLSC 11355e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11365e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11371da177e4SLinus Torvalds 11381da177e4SLinus Torvaldsconfig CPU_R6000 11391da177e4SLinus Torvalds bool "R6000" 1140ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1141f7062ddbSRalf Baechle select CPU_HAS_LLSC 11427cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1143ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11441da177e4SLinus Torvalds help 11451da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1146c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11471da177e4SLinus Torvalds 11481da177e4SLinus Torvaldsconfig CPU_NEVADA 11491da177e4SLinus Torvalds bool "RM52xx" 11507cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1151f7062ddbSRalf Baechle select CPU_HAS_LLSC 1152ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1153ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11541da177e4SLinus Torvalds help 11551da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvaldsconfig CPU_R8000 11581da177e4SLinus Torvalds bool "R8000" 1159ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11607cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1161f7062ddbSRalf Baechle select CPU_HAS_LLSC 11625e83d430SRalf Baechle select CPU_HAS_PREFETCH 1163ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11641da177e4SLinus Torvalds help 11651da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11661da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11671da177e4SLinus Torvalds 11681da177e4SLinus Torvaldsconfig CPU_R10000 11691da177e4SLinus Torvalds bool "R10000" 11707cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1171f7062ddbSRalf Baechle select CPU_HAS_LLSC 11725e83d430SRalf Baechle select CPU_HAS_PREFETCH 1173ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1174ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1175797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11761da177e4SLinus Torvalds help 11771da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvaldsconfig CPU_RM7000 11801da177e4SLinus Torvalds bool "RM7000" 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1182f7062ddbSRalf Baechle select CPU_HAS_LLSC 11835e83d430SRalf Baechle select CPU_HAS_PREFETCH 1184ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1185ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1186797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvaldsconfig CPU_RM9000 11891da177e4SLinus Torvalds bool "RM9000" 11907cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1191f7062ddbSRalf Baechle select CPU_HAS_LLSC 11925e83d430SRalf Baechle select CPU_HAS_PREFETCH 1193ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1194ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1195797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11960004a9dfSRalf Baechle select WEAK_ORDERING 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig CPU_SB1 11991da177e4SLinus Torvalds bool "SB1" 12007cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1201f7062ddbSRalf Baechle select CPU_HAS_LLSC 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1203ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1204797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12050004a9dfSRalf Baechle select WEAK_ORDERING 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsendchoice 12081da177e4SLinus Torvalds 12092a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12102a21c730SFuxin Zhang bool 12112a21c730SFuxin Zhang 12127cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12137cf8053bSRalf Baechle bool 12147cf8053bSRalf Baechle 12157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12167cf8053bSRalf Baechle bool 12177cf8053bSRalf Baechle 12187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12197cf8053bSRalf Baechle bool 12207cf8053bSRalf Baechle 12217cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12227cf8053bSRalf Baechle bool 12237cf8053bSRalf Baechle 12247cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12257cf8053bSRalf Baechle bool 12267cf8053bSRalf Baechle 12277cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12287cf8053bSRalf Baechle bool 12297cf8053bSRalf Baechle 12307cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12317cf8053bSRalf Baechle bool 12327cf8053bSRalf Baechle 12337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12347cf8053bSRalf Baechle bool 12357cf8053bSRalf Baechle 12367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12377cf8053bSRalf Baechle bool 12387cf8053bSRalf Baechle 12397cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12407cf8053bSRalf Baechle bool 12417cf8053bSRalf Baechle 12427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12437cf8053bSRalf Baechle bool 12447cf8053bSRalf Baechle 12457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12467cf8053bSRalf Baechle bool 12477cf8053bSRalf Baechle 12487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12497cf8053bSRalf Baechle bool 12507cf8053bSRalf Baechle 12517cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12527cf8053bSRalf Baechle bool 12537cf8053bSRalf Baechle 12547cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12557cf8053bSRalf Baechle bool 12567cf8053bSRalf Baechle 12577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12587cf8053bSRalf Baechle bool 12597cf8053bSRalf Baechle 12607cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12617cf8053bSRalf Baechle bool 12627cf8053bSRalf Baechle 12637cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12647cf8053bSRalf Baechle bool 12657cf8053bSRalf Baechle 12667cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12677cf8053bSRalf Baechle bool 12687cf8053bSRalf Baechle 126917099b11SRalf Baechle# 127017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 127117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 127217099b11SRalf Baechle# 12730004a9dfSRalf Baechleconfig WEAK_ORDERING 12740004a9dfSRalf Baechle bool 127517099b11SRalf Baechle 127617099b11SRalf Baechle# 127717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 127817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 127917099b11SRalf Baechle# 128017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 128117099b11SRalf Baechle bool 12825e83d430SRalf Baechleendmenu 12835e83d430SRalf Baechle 12845e83d430SRalf Baechle# 12855e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12865e83d430SRalf Baechle# 12875e83d430SRalf Baechleconfig CPU_MIPS32 12885e83d430SRalf Baechle bool 12895e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12905e83d430SRalf Baechle 12915e83d430SRalf Baechleconfig CPU_MIPS64 12925e83d430SRalf Baechle bool 12935e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12945e83d430SRalf Baechle 12955e83d430SRalf Baechle# 1296c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12975e83d430SRalf Baechle# 12985e83d430SRalf Baechleconfig CPU_MIPSR1 12995e83d430SRalf Baechle bool 13005e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13015e83d430SRalf Baechle 13025e83d430SRalf Baechleconfig CPU_MIPSR2 13035e83d430SRalf Baechle bool 13045e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13055e83d430SRalf Baechle 13065e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13075e83d430SRalf Baechle bool 13085e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13095e83d430SRalf Baechle bool 13105e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13115e83d430SRalf Baechle bool 13125e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13135e83d430SRalf Baechle bool 13145e83d430SRalf Baechle 13155e83d430SRalf Baechlemenu "Kernel type" 13165e83d430SRalf Baechle 13175e83d430SRalf Baechlechoice 13185e83d430SRalf Baechle 13195e83d430SRalf Baechle prompt "Kernel code model" 13205e83d430SRalf Baechle help 13215e83d430SRalf Baechle You should only select this option if you have a workload that 13225e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13235e83d430SRalf Baechle large memory. You will only be presented a single option in this 13245e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13255e83d430SRalf Baechle 13265e83d430SRalf Baechleconfig 32BIT 13275e83d430SRalf Baechle bool "32-bit kernel" 13285e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13295e83d430SRalf Baechle select TRAD_SIGNALS 13305e83d430SRalf Baechle help 13315e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13325e83d430SRalf Baechleconfig 64BIT 13335e83d430SRalf Baechle bool "64-bit kernel" 13345e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13355e83d430SRalf Baechle help 13365e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13375e83d430SRalf Baechle 13385e83d430SRalf Baechleendchoice 13395e83d430SRalf Baechle 13401da177e4SLinus Torvaldschoice 13411da177e4SLinus Torvalds prompt "Kernel page size" 13421da177e4SLinus Torvalds default PAGE_SIZE_4KB 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13451da177e4SLinus Torvalds bool "4kB" 13461da177e4SLinus Torvalds help 13471da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13481da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13491da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13501da177e4SLinus Torvalds recommended for low memory systems. 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13531da177e4SLinus Torvalds bool "8kB" 13541da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13551da177e4SLinus Torvalds help 13561da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13571da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13581da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13591da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13601da177e4SLinus Torvalds compatibility of user applications. 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13631da177e4SLinus Torvalds bool "16kB" 1364714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13651da177e4SLinus Torvalds help 13661da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13671da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1368714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1369714bfad6SRalf Baechle Linux distribution to support this. 13701da177e4SLinus Torvalds 13711da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13721da177e4SLinus Torvalds bool "64kB" 13731da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13741da177e4SLinus Torvalds help 13751da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13761da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13771da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1378714bfad6SRalf Baechle writing this option is still high experimental. 13791da177e4SLinus Torvalds 13801da177e4SLinus Torvaldsendchoice 13811da177e4SLinus Torvalds 13821da177e4SLinus Torvaldsconfig BOARD_SCACHE 13831da177e4SLinus Torvalds bool 13841da177e4SLinus Torvalds 13851da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13861da177e4SLinus Torvalds bool 13871da177e4SLinus Torvalds select BOARD_SCACHE 13881da177e4SLinus Torvalds 13899318c51aSChris Dearman# 13909318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13919318c51aSChris Dearman# 13929318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13939318c51aSChris Dearman bool 13949318c51aSChris Dearman select BOARD_SCACHE 13959318c51aSChris Dearman 13961da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13971da177e4SLinus Torvalds bool 13981da177e4SLinus Torvalds select BOARD_SCACHE 13991da177e4SLinus Torvalds 14001da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14011da177e4SLinus Torvalds bool 14021da177e4SLinus Torvalds select BOARD_SCACHE 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14051da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14061da177e4SLinus Torvalds depends on CPU_SB1 14071da177e4SLinus Torvalds help 14081da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14091da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14101da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1413c8094b53SRalf Baechle bool 14141da177e4SLinus Torvalds 1415340ee4b9SRalf Baechlechoice 1416340ee4b9SRalf Baechle prompt "MIPS MT options" 1417f41ae0b2SRalf Baechle 1418f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1419f41ae0b2SRalf Baechle bool "Disable multithreading support." 1420f41ae0b2SRalf Baechle help 1421f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1422f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1423f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1424f41ae0b2SRalf Baechle option in this menu. 1425340ee4b9SRalf Baechle 142659d6ab86SRalf Baechleconfig MIPS_MT_SMP 142759d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 142859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 142959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1430d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 143159d6ab86SRalf Baechle select MIPS_MT 1432f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 143359d6ab86SRalf Baechle select SMP 14340ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 143559d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 143687353d8aSRalf Baechle select SMP_UP 143759d6ab86SRalf Baechle help 143859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 143959d6ab86SRalf Baechle has been marketesed into SMVP. 144059d6ab86SRalf Baechle 144141c594abSRalf Baechleconfig MIPS_MT_SMTC 144241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1443f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1444f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1445f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1446ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1447f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1448d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1449f41ae0b2SRalf Baechle select MIPS_MT 1450130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 145141c594abSRalf Baechle select SMP 145273b76c78SRalf Baechle select SYS_SUPPORTS_SMP 145387353d8aSRalf Baechle select SMP_UP 1454f41ae0b2SRalf Baechle help 1455f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1456f41ae0b2SRalf Baechle marketesed into SMVP. 145741c594abSRalf Baechle 1458340ee4b9SRalf Baechleendchoice 1459340ee4b9SRalf Baechle 1460f41ae0b2SRalf Baechleconfig MIPS_MT 1461f41ae0b2SRalf Baechle bool 1462f41ae0b2SRalf Baechle 14630ab7aefcSRalf Baechleconfig SCHED_SMT 14640ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14650ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14660ab7aefcSRalf Baechle default n 14670ab7aefcSRalf Baechle help 14680ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 14690ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 14700ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 14710ab7aefcSRalf Baechle 14720ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 14730ab7aefcSRalf Baechle bool 14740ab7aefcSRalf Baechle 14750ab7aefcSRalf Baechle 1476f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1477f41ae0b2SRalf Baechle bool 1478f41ae0b2SRalf Baechle 1479f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1480f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1481f088fc84SRalf Baechle default y 148207cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 148307cc0c9eSRalf Baechle 148407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 148507cc0c9eSRalf Baechle bool "VPE loader support." 148607cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 148707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 148807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 148907cc0c9eSRalf Baechle select MIPS_MT 149007cc0c9eSRalf Baechle help 149107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 149207cc0c9eSRalf Baechle onto another VPE and running it. 1493f088fc84SRalf Baechle 1494ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1495ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1496619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1497ac8be955SRalf Baechle default y 1498ac8be955SRalf Baechle help 1499ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1500ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1501ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1502ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1503ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1504ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1505ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1506ac8be955SRalf Baechle heavy I/O interrupt load. 1507ac8be955SRalf Baechle 15080db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15090db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15100db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15110db34215SKevin D. Kissell default y 15120db34215SKevin D. Kissell help 15130db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15140db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15150db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15160db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15170db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15180db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15190db34215SKevin D. Kissell what you are doing. 15200db34215SKevin D. Kissell 1521f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1522f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1523f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1524f571eff0SKevin D. Kissell default n 1525f571eff0SKevin D. Kissell help 1526f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1527f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1528f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1529f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1530f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1531f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1532f571eff0SKevin D. Kissell you are doing. 1533f571eff0SKevin D. Kissell 1534e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1535e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1536e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1537e01402b1SRalf Baechle default y 1538e01402b1SRalf Baechle help 1539e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1540e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1541e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1542e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1543e01402b1SRalf Baechle 1544e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1545e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1546e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1547e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15485e83d430SRalf Baechle help 1549e01402b1SRalf Baechle 15502600990eSRalf Baechleconfig MIPS_APSP_KSPD 15512600990eSRalf Baechle bool "Enable KSPD" 15522600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15532600990eSRalf Baechle default y 15542600990eSRalf Baechle help 15552600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15562600990eSRalf Baechle side, actions them and returns the results. It also handles the 15572600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15582600990eSRalf Baechle exiting. You probably want to say yes here. 15592600990eSRalf Baechle 15601da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15611da177e4SLinus Torvalds bool 15621da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15631da177e4SLinus Torvalds default y 15641da177e4SLinus Torvalds 15651da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15661da177e4SLinus Torvalds bool 15671da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15681da177e4SLinus Torvalds default y 15691da177e4SLinus Torvalds 15701da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 15711da177e4SLinus Torvalds bool 15721da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 15731da177e4SLinus Torvalds default y 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1576d806cb2bSRalf Baechle bool 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1579f7062ddbSRalf Baechle bool 15801da177e4SLinus Torvalds 15819693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15829693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15839693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15849693a853SFranck Bui-Huu help 15859693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15869693a853SFranck Bui-Huu increased security at both hardware and software level for 15879693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15889693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15899693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15909693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15919693a853SFranck Bui-Huu here. 15929693a853SFranck Bui-Huu 15931da177e4SLinus Torvaldsconfig CPU_HAS_WB 1594f7062ddbSRalf Baechle bool 1595e01402b1SRalf Baechle 1596f41ae0b2SRalf Baechle# 1597f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1598f41ae0b2SRalf Baechle# 1599e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1600f41ae0b2SRalf Baechle bool 1601e01402b1SRalf Baechle 1602f41ae0b2SRalf Baechle# 1603f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1604f41ae0b2SRalf Baechle# 1605e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1606f41ae0b2SRalf Baechle bool 1607e01402b1SRalf Baechle 16081da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16091da177e4SLinus Torvalds bool 16101da177e4SLinus Torvalds depends on !CPU_R3000 16111da177e4SLinus Torvalds default y 16121da177e4SLinus Torvalds 1613ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1614ea580401SRalf Baechle bool 1615ea580401SRalf Baechle 16161da177e4SLinus Torvalds# 161720d60d99SMaciej W. Rozycki# CPU non-features 161820d60d99SMaciej W. Rozycki# 161920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 162020d60d99SMaciej W. Rozycki bool 162120d60d99SMaciej W. Rozycki 162220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 162320d60d99SMaciej W. Rozycki bool 162420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 162520d60d99SMaciej W. Rozycki 162620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 162720d60d99SMaciej W. Rozycki bool 162820d60d99SMaciej W. Rozycki 162920d60d99SMaciej W. Rozycki# 1630797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1631797798c1SRalf Baechle# 1632797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1633797798c1SRalf Baechle bool 1634797798c1SRalf Baechle default y 1635797798c1SRalf Baechle 1636797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1637797798c1SRalf Baechle bool 1638797798c1SRalf Baechle default y 1639797798c1SRalf Baechle 16400d7012a9SIngo Molnarconfig IRQ_PER_CPU 16410d7012a9SIngo Molnar bool 16420d7012a9SIngo Molnar 1643797798c1SRalf Baechle# 16441da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16451da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16461da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16471da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16481da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16491da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16501da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16511da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1652797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1653797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1654797798c1SRalf Baechle# support. 16551da177e4SLinus Torvalds# 16561da177e4SLinus Torvaldsconfig HIGHMEM 16571da177e4SLinus Torvalds bool "High Memory Support" 1658797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1659797798c1SRalf Baechle 1660797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1661797798c1SRalf Baechle bool 1662797798c1SRalf Baechle 1663797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1664797798c1SRalf Baechle bool 16651da177e4SLinus Torvalds 16669693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16679693a853SFranck Bui-Huu bool 16689693a853SFranck Bui-Huu 1669b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1670b4819b59SYoichi Yuasa def_bool y 1671b4819b59SYoichi Yuasa depends on !NUMA 1672b4819b59SYoichi Yuasa 1673d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1674d8cb4e11SRalf Baechle bool 1675d8cb4e11SRalf Baechle default y if SGI_IP27 1676d8cb4e11SRalf Baechle help 16773dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1678d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1679d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1680d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1681d8cb4e11SRalf Baechle 1682cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1683cce335aeSRalf Baechle def_bool y 1684cce335aeSRalf Baechle 1685b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1686b1c6cd42SAtsushi Nemoto bool 16877de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 168831473747SAtsushi Nemoto 1689d8cb4e11SRalf Baechleconfig NUMA 1690d8cb4e11SRalf Baechle bool "NUMA Support" 1691d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1692d8cb4e11SRalf Baechle help 1693d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1694d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1695d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1696d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1697d8cb4e11SRalf Baechle disabled. 1698d8cb4e11SRalf Baechle 1699d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1700d8cb4e11SRalf Baechle bool 1701d8cb4e11SRalf Baechle 1702c80d79d7SYasunori Gotoconfig NODES_SHIFT 1703c80d79d7SYasunori Goto int 1704c80d79d7SYasunori Goto default "6" 1705c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1706c80d79d7SYasunori Goto 1707b4819b59SYoichi Yuasasource "mm/Kconfig" 1708b4819b59SYoichi Yuasa 17091da177e4SLinus Torvaldsconfig SMP 17101da177e4SLinus Torvalds bool "Multi-Processing support" 1711e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1712b4b30a5aSRalf Baechle select IRQ_PER_CPU 1713e73ea273SRalf Baechle help 17141da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17151da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17161da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17171da177e4SLinus Torvalds 17181da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17191da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17201da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17211da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17221da177e4SLinus Torvalds will run faster if you say N here. 17231da177e4SLinus Torvalds 17241da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17251da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17261da177e4SLinus Torvalds 172703502faaSAdrian Bunk See also the SMP-HOWTO available at 172803502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17291da177e4SLinus Torvalds 17301da177e4SLinus Torvalds If you don't know what to do here, say N. 17311da177e4SLinus Torvalds 173287353d8aSRalf Baechleconfig SMP_UP 173387353d8aSRalf Baechle bool 173487353d8aSRalf Baechle 1735e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1736e73ea273SRalf Baechle bool 1737e73ea273SRalf Baechle 173872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 173972ede9b1SAtsushi Nemoto bool 174072ede9b1SAtsushi Nemoto 1741130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1742130e2fb7SRalf Baechle bool 1743130e2fb7SRalf Baechle 1744130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1745130e2fb7SRalf Baechle bool 1746130e2fb7SRalf Baechle 1747130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1748130e2fb7SRalf Baechle bool 1749130e2fb7SRalf Baechle 1750130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1751130e2fb7SRalf Baechle bool 1752130e2fb7SRalf Baechle 1753130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1754130e2fb7SRalf Baechle bool 1755130e2fb7SRalf Baechle 1756130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1757130e2fb7SRalf Baechle bool 1758130e2fb7SRalf Baechle 17591da177e4SLinus Torvaldsconfig NR_CPUS 17601da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 176172ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17621da177e4SLinus Torvalds depends on SMP 176372ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1764130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1765130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1766130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1767130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1768130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1769130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 17701da177e4SLinus Torvalds help 17711da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 17721da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 17731da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 177472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 177572ede9b1SAtsushi Nemoto and 2 for all others. 17761da177e4SLinus Torvalds 17771da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 177872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 177972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 178072ede9b1SAtsushi Nemoto power of two. 17811da177e4SLinus Torvalds 178239b8d525SRalf Baechleconfig MIPS_CMP 178339b8d525SRalf Baechle bool "MIPS CMP framework support" 178439b8d525SRalf Baechle depends on SMP 178539b8d525SRalf Baechle select SYNC_R4K 178639b8d525SRalf Baechle select SYS_SUPPORTS_SCHED_SMT 178739b8d525SRalf Baechle select WEAK_ORDERING 178839b8d525SRalf Baechle default n 178939b8d525SRalf Baechle help 179039b8d525SRalf Baechle This is a placeholder option for the GCMP work. It will need to 179139b8d525SRalf Baechle be handled differently... 179239b8d525SRalf Baechle 1793c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1794c4eee283SAtsushi Nemoto 17951723b4a3SAtsushi Nemoto# 17961723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 17971723b4a3SAtsushi Nemoto# 17981723b4a3SAtsushi Nemoto 17991723b4a3SAtsushi Nemotochoice 18001723b4a3SAtsushi Nemoto prompt "Timer frequency" 18011723b4a3SAtsushi Nemoto default HZ_250 18021723b4a3SAtsushi Nemoto help 18031723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18041723b4a3SAtsushi Nemoto 18051723b4a3SAtsushi Nemoto config HZ_48 18060f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18071723b4a3SAtsushi Nemoto 18081723b4a3SAtsushi Nemoto config HZ_100 18091723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18101723b4a3SAtsushi Nemoto 18111723b4a3SAtsushi Nemoto config HZ_128 18121723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18131723b4a3SAtsushi Nemoto 18141723b4a3SAtsushi Nemoto config HZ_250 18151723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18161723b4a3SAtsushi Nemoto 18171723b4a3SAtsushi Nemoto config HZ_256 18181723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18191723b4a3SAtsushi Nemoto 18201723b4a3SAtsushi Nemoto config HZ_1000 18211723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18221723b4a3SAtsushi Nemoto 18231723b4a3SAtsushi Nemoto config HZ_1024 18241723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18251723b4a3SAtsushi Nemoto 18261723b4a3SAtsushi Nemotoendchoice 18271723b4a3SAtsushi Nemoto 18281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18291723b4a3SAtsushi Nemoto bool 18301723b4a3SAtsushi Nemoto 18311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18321723b4a3SAtsushi Nemoto bool 18331723b4a3SAtsushi Nemoto 18341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18351723b4a3SAtsushi Nemoto bool 18361723b4a3SAtsushi Nemoto 18371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18381723b4a3SAtsushi Nemoto bool 18391723b4a3SAtsushi Nemoto 18401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18411723b4a3SAtsushi Nemoto bool 18421723b4a3SAtsushi Nemoto 18431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18441723b4a3SAtsushi Nemoto bool 18451723b4a3SAtsushi Nemoto 18461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18471723b4a3SAtsushi Nemoto bool 18481723b4a3SAtsushi Nemoto 18491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18501723b4a3SAtsushi Nemoto bool 18511723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18521723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18531723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18541723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemotoconfig HZ 18571723b4a3SAtsushi Nemoto int 18581723b4a3SAtsushi Nemoto default 48 if HZ_48 18591723b4a3SAtsushi Nemoto default 100 if HZ_100 18601723b4a3SAtsushi Nemoto default 128 if HZ_128 18611723b4a3SAtsushi Nemoto default 250 if HZ_250 18621723b4a3SAtsushi Nemoto default 256 if HZ_256 18631723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18641723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18651723b4a3SAtsushi Nemoto 1866e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18671da177e4SLinus Torvalds 18681da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18691da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1870875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18711da177e4SLinus Torvalds help 18721da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18731da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18741da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18751da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18761da177e4SLinus Torvalds recommended for normal users. 18771da177e4SLinus Torvalds 1878ea6e942bSAtsushi Nemotoconfig KEXEC 1879ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1880ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1881ea6e942bSAtsushi Nemoto help 1882ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1883ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 18843dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1885ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1886ea6e942bSAtsushi Nemoto 188701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1888ea6e942bSAtsushi Nemoto 1889ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1890ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1891ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1892ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1893ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1894ea6e942bSAtsushi Nemoto 1895ea6e942bSAtsushi Nemotoconfig SECCOMP 1896ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1897293c5bd1SRalf Baechle depends on PROC_FS 1898ea6e942bSAtsushi Nemoto default y 1899ea6e942bSAtsushi Nemoto help 1900ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1901ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1902ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1903ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1904ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1905ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1906ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1907ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1908ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1909ea6e942bSAtsushi Nemoto 1910ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1911ea6e942bSAtsushi Nemoto 19125e83d430SRalf Baechleendmenu 19135e83d430SRalf Baechle 19141da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19151da177e4SLinus Torvalds bool 19161da177e4SLinus Torvalds default y 19171da177e4SLinus Torvalds 19181df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19191df0f0ffSAtsushi Nemoto bool 19201df0f0ffSAtsushi Nemoto default y 19211df0f0ffSAtsushi Nemoto 19221df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19231df0f0ffSAtsushi Nemoto bool 19241df0f0ffSAtsushi Nemoto default y 19251df0f0ffSAtsushi Nemoto 1926b6c3539bSRalf Baechlesource "init/Kconfig" 1927b6c3539bSRalf Baechle 19281da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19291da177e4SLinus Torvalds 19305e83d430SRalf Baechleconfig HW_HAS_EISA 19315e83d430SRalf Baechle bool 19321da177e4SLinus Torvaldsconfig HW_HAS_PCI 19331da177e4SLinus Torvalds bool 19341da177e4SLinus Torvalds 19351da177e4SLinus Torvaldsconfig PCI 19361da177e4SLinus Torvalds bool "Support for PCI controller" 19371da177e4SLinus Torvalds depends on HW_HAS_PCI 1938abb4ae46SRalf Baechle select PCI_DOMAINS 19391da177e4SLinus Torvalds help 19401da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19411da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19421da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19431da177e4SLinus Torvalds say Y, otherwise N. 19441da177e4SLinus Torvalds 19451da177e4SLinus Torvaldsconfig PCI_DOMAINS 19461da177e4SLinus Torvalds bool 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19491da177e4SLinus Torvalds 19501da177e4SLinus Torvalds# 19511da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19521da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19531da177e4SLinus Torvalds# users to choose the right thing ... 19541da177e4SLinus Torvalds# 19551da177e4SLinus Torvaldsconfig ISA 19561da177e4SLinus Torvalds bool 19571da177e4SLinus Torvalds 19581da177e4SLinus Torvaldsconfig EISA 19591da177e4SLinus Torvalds bool "EISA support" 19605e83d430SRalf Baechle depends on HW_HAS_EISA 19611da177e4SLinus Torvalds select ISA 1962aa414dffSRalf Baechle select GENERIC_ISA_DMA 19631da177e4SLinus Torvalds ---help--- 19641da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19651da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19681da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19691da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19701da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19711da177e4SLinus Torvalds 19721da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19731da177e4SLinus Torvalds 19741da177e4SLinus Torvalds Otherwise, say N. 19751da177e4SLinus Torvalds 19761da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvaldsconfig TC 19791da177e4SLinus Torvalds bool "TURBOchannel support" 19801da177e4SLinus Torvalds depends on MACH_DECSTATION 19811da177e4SLinus Torvalds help 19821da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 19831da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 19841da177e4SLinus Torvalds is available at: 19851da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvalds#config ACCESSBUS 19881da177e4SLinus Torvalds# bool "Access.Bus support" 19891da177e4SLinus Torvalds# depends on TC 19901da177e4SLinus Torvalds 19911da177e4SLinus Torvaldsconfig MMU 19921da177e4SLinus Torvalds bool 19931da177e4SLinus Torvalds default y 19941da177e4SLinus Torvalds 1995d865bea4SRalf Baechleconfig I8253 1996d865bea4SRalf Baechle bool 1997d865bea4SRalf Baechle 1998cce335aeSRalf Baechleconfig ZONE_DMA32 1999cce335aeSRalf Baechle bool 2000cce335aeSRalf Baechle 20011da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20021da177e4SLinus Torvalds 20031da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20041da177e4SLinus Torvalds 20051da177e4SLinus Torvaldsendmenu 20061da177e4SLinus Torvalds 20071da177e4SLinus Torvaldsmenu "Executable file formats" 20081da177e4SLinus Torvalds 20091da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20121da177e4SLinus Torvalds bool 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20151da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2016875d43e7SRalf Baechle depends on 64BIT 20171da177e4SLinus Torvalds help 20181da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20191da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20201da177e4SLinus Torvalds currently 32-bit you should say Y here. 20211da177e4SLinus Torvalds 20221da177e4SLinus Torvaldsconfig COMPAT 20231da177e4SLinus Torvalds bool 20241da177e4SLinus Torvalds depends on MIPS32_COMPAT 20251da177e4SLinus Torvalds default y 20261da177e4SLinus Torvalds 202705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 202805e43966SAtsushi Nemoto bool 202905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 203005e43966SAtsushi Nemoto default y 203105e43966SAtsushi Nemoto 20321da177e4SLinus Torvaldsconfig MIPS32_O32 20331da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20341da177e4SLinus Torvalds depends on MIPS32_COMPAT 20351da177e4SLinus Torvalds help 20361da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20371da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20381da177e4SLinus Torvalds existing binaries are in this format. 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvalds If unsure, say Y. 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvaldsconfig MIPS32_N32 20431da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20441da177e4SLinus Torvalds depends on MIPS32_COMPAT 20451da177e4SLinus Torvalds help 20461da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20471da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20481da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20491da177e4SLinus Torvalds cases. 20501da177e4SLinus Torvalds 20511da177e4SLinus Torvalds If unsure, say N. 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldsconfig BINFMT_ELF32 20541da177e4SLinus Torvalds bool 20551da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20561da177e4SLinus Torvalds 20572116245eSRalf Baechleendmenu 20581da177e4SLinus Torvalds 20592116245eSRalf Baechlemenu "Power management options" 2060952fa954SRodolfo Giometti 2061f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2062f4cb5700SJohannes Berg def_bool y 2063f4cb5700SJohannes Berg depends on !SMP 2064f4cb5700SJohannes Berg 20652116245eSRalf Baechlesource "kernel/power/Kconfig" 2066952fa954SRodolfo Giometti 20671da177e4SLinus Torvaldsendmenu 20681da177e4SLinus Torvalds 2069d5950b43SSam Ravnborgsource "net/Kconfig" 2070d5950b43SSam Ravnborg 20711da177e4SLinus Torvaldssource "drivers/Kconfig" 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldssource "fs/Kconfig" 20741da177e4SLinus Torvalds 20751da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvaldssource "security/Kconfig" 20781da177e4SLinus Torvalds 20791da177e4SLinus Torvaldssource "crypto/Kconfig" 20801da177e4SLinus Torvalds 20811da177e4SLinus Torvaldssource "lib/Kconfig" 2082