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 388*5b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 389*5b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 390e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 391e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 392e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 393e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 394e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 395e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 396e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 397e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 398e2defae5SThomas Bogendoerfer help 399e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 400e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 401e2defae5SThomas Bogendoerfer 4021da177e4SLinus Torvaldsconfig SGI_IP32 403cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4041da177e4SLinus Torvalds select ARC 4051da177e4SLinus Torvalds select ARC32 4061da177e4SLinus Torvalds select BOOT_ELF32 40742f77542SRalf Baechle select CEVT_R4K 408940f6b48SRalf Baechle select CSRC_R4K 4091da177e4SLinus Torvalds select DMA_NONCOHERENT 4101da177e4SLinus Torvalds select HW_HAS_PCI 411dd67b155SRalf Baechle select IRQ_CPU 4121da177e4SLinus Torvalds select R5000_CPU_SCACHE 4131da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4147cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4157cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4167cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 417dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 418ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4201da177e4SLinus Torvalds help 4211da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4221da177e4SLinus Torvalds 423ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 424ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4255e83d430SRalf Baechle depends on EXPERIMENTAL 4265e83d430SRalf Baechle select BOOT_ELF32 4275e83d430SRalf Baechle select DMA_COHERENT 4285e83d430SRalf Baechle select SIBYTE_BCM1120 4295e83d430SRalf Baechle select SWAP_IO_SPACE 4307cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4335e83d430SRalf Baechle 434ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 435ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4365e83d430SRalf Baechle depends on EXPERIMENTAL 4375e83d430SRalf Baechle select BOOT_ELF32 4385e83d430SRalf Baechle select DMA_COHERENT 4395e83d430SRalf Baechle select SIBYTE_BCM1120 4405e83d430SRalf Baechle select SWAP_IO_SPACE 4417cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4445e83d430SRalf Baechle 4455e83d430SRalf Baechleconfig SIBYTE_CRHONE 4463fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4475e83d430SRalf Baechle depends on EXPERIMENTAL 4485e83d430SRalf Baechle select BOOT_ELF32 4495e83d430SRalf Baechle select DMA_COHERENT 4505e83d430SRalf Baechle select SIBYTE_BCM1125 4515e83d430SRalf Baechle select SWAP_IO_SPACE 4527cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4535e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4545e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4565e83d430SRalf Baechle 457ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 458ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 459ade299d8SYoichi Yuasa depends on EXPERIMENTAL 460ade299d8SYoichi Yuasa select BOOT_ELF32 461ade299d8SYoichi Yuasa select DMA_COHERENT 462ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 463ade299d8SYoichi Yuasa select SWAP_IO_SPACE 464ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 465ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 466ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 467ade299d8SYoichi Yuasa 468ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 469ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 470ade299d8SYoichi Yuasa select BOOT_ELF32 471ade299d8SYoichi Yuasa select DMA_COHERENT 472ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 473ade299d8SYoichi Yuasa select SIBYTE_SB1250 474ade299d8SYoichi Yuasa select SWAP_IO_SPACE 475ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 476ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 477ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 478ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 479ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 480cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 481ade299d8SYoichi Yuasa 482ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 483ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 484ade299d8SYoichi Yuasa depends on EXPERIMENTAL 485ade299d8SYoichi Yuasa select BOOT_ELF32 486ade299d8SYoichi Yuasa select DMA_COHERENT 487ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 488ade299d8SYoichi Yuasa select SIBYTE_SB1250 489ade299d8SYoichi Yuasa select SWAP_IO_SPACE 490ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 491ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 492ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 493ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 494ade299d8SYoichi Yuasa 495ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 496ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 497ade299d8SYoichi Yuasa depends on EXPERIMENTAL 498ade299d8SYoichi Yuasa select BOOT_ELF32 499ade299d8SYoichi Yuasa select DMA_COHERENT 500ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 501ade299d8SYoichi Yuasa select SIBYTE_SB1250 502ade299d8SYoichi Yuasa select SWAP_IO_SPACE 503ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 504ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 505ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 506ade299d8SYoichi Yuasa 507ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 508ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 509ade299d8SYoichi Yuasa select BOOT_ELF32 510ade299d8SYoichi Yuasa select DMA_COHERENT 511ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 512ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 513ade299d8SYoichi Yuasa select SWAP_IO_SPACE 514ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 515ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 516651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 517ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 518cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 519ade299d8SYoichi Yuasa 52014b36af4SThomas Bogendoerferconfig SNI_RM 52114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5224a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5234a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 524231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5255e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5265e83d430SRalf Baechle select BOOT_ELF32 52742f77542SRalf Baechle select CEVT_R4K 528940f6b48SRalf Baechle select CSRC_R4K 529e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5305e83d430SRalf Baechle select DMA_NONCOHERENT 5315e83d430SRalf Baechle select GENERIC_ISA_DMA 5325e83d430SRalf Baechle select HW_HAS_EISA 5335e83d430SRalf Baechle select HW_HAS_PCI 534c066a32aSThomas Bogendoerfer select IRQ_CPU 535d865bea4SRalf Baechle select I8253 5365e83d430SRalf Baechle select I8259 5375e83d430SRalf Baechle select ISA 5384a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5404a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 541c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5424a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 544ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5455e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5464a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5491da177e4SLinus Torvalds help 55014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5525e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5535e83d430SRalf Baechle support this machine type. 5541da177e4SLinus Torvalds 555edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 556edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5575e83d430SRalf Baechle 558edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 559edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 56023fbee9dSRalf Baechle 561ade299d8SYoichi Yuasaconfig WR_PPMC 562ade299d8SYoichi Yuasa bool "Wind River PPMC board" 56342f77542SRalf Baechle select CEVT_R4K 564940f6b48SRalf Baechle select CSRC_R4K 565ade299d8SYoichi Yuasa select IRQ_CPU 566ade299d8SYoichi Yuasa select BOOT_ELF32 567ade299d8SYoichi Yuasa select DMA_NONCOHERENT 568ade299d8SYoichi Yuasa select HW_HAS_PCI 569ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 570ade299d8SYoichi Yuasa select SWAP_IO_SPACE 571ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 572ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 573ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 574ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 575ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 576ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 577ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 578ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 579ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 580ade299d8SYoichi Yuasa help 581ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 582ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 583ade299d8SYoichi Yuasa 5841da177e4SLinus Torvaldsendchoice 5851da177e4SLinus Torvalds 586c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 5879c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 5885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 5891f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 5905e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 59129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 59238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 59322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 5945e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 59538b18f72SRalf Baechle 5965e83d430SRalf Baechleendmenu 5975e83d430SRalf Baechle 59895c354feSNick Pigginconfig GENERIC_LOCKBREAK 59995c354feSNick Piggin bool 60095c354feSNick Piggin default y 60195c354feSNick Piggin depends on SMP && PREEMPT 60295c354feSNick Piggin 6031da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6041da177e4SLinus Torvalds bool 6051da177e4SLinus Torvalds default y 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6081da177e4SLinus Torvalds bool 6091da177e4SLinus Torvalds 610f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 611f0d1b0b3SDavid Howells bool 612f0d1b0b3SDavid Howells default n 613f0d1b0b3SDavid Howells 614f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 615f0d1b0b3SDavid Howells bool 616f0d1b0b3SDavid Howells default n 617f0d1b0b3SDavid Howells 61800a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 61900a58253SRalf Baechle bool 62000a58253SRalf Baechle default y if !MIPS_MT_SMTC 62100a58253SRalf Baechle 6223c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6233c9ee7efSAkinobu Mita bool 6243c9ee7efSAkinobu Mita default y 6253c9ee7efSAkinobu Mita 6263c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6273c9ee7efSAkinobu Mita bool 6283c9ee7efSAkinobu Mita default y 6293c9ee7efSAkinobu Mita 6301da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6311da177e4SLinus Torvalds bool 6321da177e4SLinus Torvalds default y 6331da177e4SLinus Torvalds 6347bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6357bcf7717SRalf Baechle bool 6367bcf7717SRalf Baechle default y 6377bcf7717SRalf Baechle 6388db02010SRalf Baechleconfig GENERIC_TIME 6398db02010SRalf Baechle bool 6408db02010SRalf Baechle default y 6418db02010SRalf Baechle 642f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 643f5ff0a28SRalf Baechle bool 644f5ff0a28SRalf Baechle default y 645f5ff0a28SRalf Baechle 6461cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6471cc89038SAtsushi Nemoto bool 6481cc89038SAtsushi Nemoto default y 6491cc89038SAtsushi Nemoto 650e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 651e77c232cSFranck Bui-Huu bool 652e77c232cSFranck Bui-Huu default n 653e77c232cSFranck Bui-Huu 6541da177e4SLinus Torvalds# 6551da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6561da177e4SLinus Torvalds# 6571da177e4SLinus Torvaldsconfig ARC 6581da177e4SLinus Torvalds bool 6591da177e4SLinus Torvalds 66061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 66161ed242dSRalf Baechle bool 66261ed242dSRalf Baechle 6639267a30dSMarc St-Jeanconfig BOOT_RAW 6649267a30dSMarc St-Jean bool 6659267a30dSMarc St-Jean 666217dd11eSRalf Baechleconfig CEVT_BCM1480 667217dd11eSRalf Baechle bool 668217dd11eSRalf Baechle 6696457d9fcSYoichi Yuasaconfig CEVT_DS1287 6706457d9fcSYoichi Yuasa bool 6716457d9fcSYoichi Yuasa 6721097c6acSYoichi Yuasaconfig CEVT_GT641XX 6731097c6acSYoichi Yuasa bool 6741097c6acSYoichi Yuasa 67542f77542SRalf Baechleconfig CEVT_R4K 67642f77542SRalf Baechle bool 67742f77542SRalf Baechle 678217dd11eSRalf Baechleconfig CEVT_SB1250 679217dd11eSRalf Baechle bool 680217dd11eSRalf Baechle 681229f773eSAtsushi Nemotoconfig CEVT_TXX9 682229f773eSAtsushi Nemoto bool 683229f773eSAtsushi Nemoto 684217dd11eSRalf Baechleconfig CSRC_BCM1480 685217dd11eSRalf Baechle bool 686217dd11eSRalf Baechle 6874247417dSYoichi Yuasaconfig CSRC_IOASIC 6884247417dSYoichi Yuasa bool 6894247417dSYoichi Yuasa 690940f6b48SRalf Baechleconfig CSRC_R4K 691940f6b48SRalf Baechle bool 692940f6b48SRalf Baechle 693217dd11eSRalf Baechleconfig CSRC_SB1250 694217dd11eSRalf Baechle bool 695217dd11eSRalf Baechle 696a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 697a9aec7feSAtsushi Nemoto select GENERIC_GPIO 698a9aec7feSAtsushi Nemoto select HAVE_GPIO_LIB 699a9aec7feSAtsushi Nemoto bool 700a9aec7feSAtsushi Nemoto 701df78b5c8SAurelien Jarnoconfig CFE 702df78b5c8SAurelien Jarno bool 703df78b5c8SAurelien Jarno 7041da177e4SLinus Torvaldsconfig DMA_COHERENT 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvaldsconfig DMA_IP27 7081da177e4SLinus Torvalds bool 7091da177e4SLinus Torvalds 7101da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7111da177e4SLinus Torvalds bool 7124ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7134ce588cdSRalf Baechle 7144ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7154ce588cdSRalf Baechle bool 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvaldsconfig EARLY_PRINTK 71836a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 71936a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 72036a88530SRalf Baechle default y 72136a88530SRalf Baechle help 72236a88530SRalf Baechle This option enables special console drivers which allow the kernel 72336a88530SRalf Baechle to print messages very early in the bootup process. 72436a88530SRalf Baechle 72536a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 726490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 727490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 728490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 72936a88530SRalf Baechle unless you want to debug such a crash. 73036a88530SRalf Baechle 73136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7321da177e4SLinus Torvalds bool 7331da177e4SLinus Torvalds 734dbb74540SRalf Baechleconfig HOTPLUG_CPU 735dbb74540SRalf Baechle bool 736dbb74540SRalf Baechle default n 737dbb74540SRalf Baechle 7381da177e4SLinus Torvaldsconfig I8259 7391da177e4SLinus Torvalds bool 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvaldsconfig MIPS_BONITO64 7421da177e4SLinus Torvalds bool 7431da177e4SLinus Torvalds 7441da177e4SLinus Torvaldsconfig MIPS_MSC 7451da177e4SLinus Torvalds bool 7461da177e4SLinus Torvalds 7471f21d2bdSBrian Murphyconfig MIPS_NILE4 7481f21d2bdSBrian Murphy bool 7491f21d2bdSBrian Murphy 7501da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7511da177e4SLinus Torvalds bool 7521da177e4SLinus Torvalds 75339b8d525SRalf Baechleconfig SYNC_R4K 75439b8d525SRalf Baechle bool 75539b8d525SRalf Baechle 756d388d685SMaciej W. Rozyckiconfig NO_IOPORT 757d388d685SMaciej W. Rozycki def_bool n 758d388d685SMaciej W. Rozycki 7598313da30SRalf Baechleconfig GENERIC_ISA_DMA 7608313da30SRalf Baechle bool 7618313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7628313da30SRalf Baechle 763aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 764aa414dffSRalf Baechle bool 7658313da30SRalf Baechle select GENERIC_ISA_DMA 766aa414dffSRalf Baechle 76709663335SYoichi Yuasaconfig GENERIC_GPIO 76809663335SYoichi Yuasa bool 76909663335SYoichi Yuasa 7705e83d430SRalf Baechle# 7713cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7725e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7735e83d430SRalf Baechle# choice statement should be more obvious to the user. 7745e83d430SRalf Baechle# 7755e83d430SRalf Baechlechoice 7765e83d430SRalf Baechle prompt "Endianess selection" 7771da177e4SLinus Torvalds help 7781da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7795e83d430SRalf Baechle byte order. These modes require different kernels and a different 7803cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7815e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7823dde6ad8SDavid Sterba one or the other endianness. 7835e83d430SRalf Baechle 7845e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7855e83d430SRalf Baechle bool "Big endian" 7865e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7875e83d430SRalf Baechle 7885e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7895e83d430SRalf Baechle bool "Little endian" 7905e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7915e83d430SRalf Baechle help 7925e83d430SRalf Baechle 7935e83d430SRalf Baechleendchoice 7945e83d430SRalf Baechle 7952116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7962116245eSRalf Baechle bool 7972116245eSRalf Baechle 7985e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 7995e83d430SRalf Baechle bool 8005e83d430SRalf Baechle 8015e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8025e83d430SRalf Baechle bool 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvaldsconfig IRQ_CPU 8051da177e4SLinus Torvalds bool 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8081da177e4SLinus Torvalds bool 8091da177e4SLinus Torvalds 8105e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8115e83d430SRalf Baechle bool 8125e83d430SRalf Baechle 8139267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8149267a30dSMarc St-Jean bool 8159267a30dSMarc St-Jean 8169267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8179267a30dSMarc St-Jean bool 8189267a30dSMarc St-Jean 8198420fd00SAtsushi Nemotoconfig IRQ_TXX9 8208420fd00SAtsushi Nemoto bool 8218420fd00SAtsushi Nemoto 822d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 823d5ab1a69SYoichi Yuasa bool 824d5ab1a69SYoichi Yuasa 82539b8d525SRalf Baechleconfig IRQ_GIC 82639b8d525SRalf Baechle bool 82739b8d525SRalf Baechle 8281da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8291da177e4SLinus Torvalds bool 8301da177e4SLinus Torvalds 831252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8321da177e4SLinus Torvalds bool 8331da177e4SLinus Torvalds 8349267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8359267a30dSMarc St-Jean bool 8369267a30dSMarc St-Jean 837663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 838663c3d90Sthomas@koeller.dyndns.org bool 839663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 840663c3d90Sthomas@koeller.dyndns.org 841bdf21b18SPete Popovconfig PNX8550 842bdf21b18SPete Popov bool 843bdf21b18SPete Popov select SOC_PNX8550 844bdf21b18SPete Popov 845bdf21b18SPete Popovconfig SOC_PNX8550 846bdf21b18SPete Popov bool 847bdf21b18SPete Popov select DMA_NONCOHERENT 848bdf21b18SPete Popov select HW_HAS_PCI 849b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 85036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8517cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 852e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 853cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8544ead1681SFlorian Fainelli select GENERIC_GPIO 855bdf21b18SPete Popov 8561da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8571da177e4SLinus Torvalds bool 8581da177e4SLinus Torvalds 859355c471fSdmitry pervushinconfig EMMA2RH 860355c471fSdmitry pervushin bool 861355c471fSdmitry pervushin depends on MARKEINS 862355c471fSdmitry pervushin default y 863355c471fSdmitry pervushin 864663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 865663c3d90Sthomas@koeller.dyndns.org bool 866663c3d90Sthomas@koeller.dyndns.org 867e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 868e2defae5SThomas Bogendoerfer bool 869e2defae5SThomas Bogendoerfer 870e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 871e2defae5SThomas Bogendoerfer bool 872e2defae5SThomas Bogendoerfer 873*5b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 874*5b438c44SThomas Bogendoerfer bool 875*5b438c44SThomas Bogendoerfer 876e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 877e2defae5SThomas Bogendoerfer bool 878e2defae5SThomas Bogendoerfer 879e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 880e2defae5SThomas Bogendoerfer bool 881e2defae5SThomas Bogendoerfer 882e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 883e2defae5SThomas Bogendoerfer bool 884e2defae5SThomas Bogendoerfer 885e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 886e2defae5SThomas Bogendoerfer bool 887e2defae5SThomas Bogendoerfer 888e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 889e2defae5SThomas Bogendoerfer bool 890e2defae5SThomas Bogendoerfer 8915e83d430SRalf Baechleconfig ARC32 8925e83d430SRalf Baechle bool 8935e83d430SRalf Baechle 894231a35d3SThomas Bogendoerferconfig SNIPROM 895231a35d3SThomas Bogendoerfer bool 896231a35d3SThomas Bogendoerfer 8971da177e4SLinus Torvaldsconfig BOOT_ELF32 8981da177e4SLinus Torvalds bool 8991da177e4SLinus Torvalds 9001da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9011da177e4SLinus Torvalds int 90206cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 9037e3297dcSThomas Bogendoerfer default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM 9049267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9051da177e4SLinus Torvalds default "5" 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9081da177e4SLinus Torvalds bool 9091da177e4SLinus Torvalds 9101da177e4SLinus Torvaldsconfig ARC_CONSOLE 9111da177e4SLinus Torvalds bool "ARC console support" 912e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9131da177e4SLinus Torvalds 9141da177e4SLinus Torvaldsconfig ARC_MEMORY 9151da177e4SLinus Torvalds bool 91614b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9171da177e4SLinus Torvalds default y 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvaldsconfig ARC_PROMLIB 9201da177e4SLinus Torvalds bool 921e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9221da177e4SLinus Torvalds default y 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvaldsconfig ARC64 9251da177e4SLinus Torvalds bool 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvaldsconfig BOOT_ELF64 9281da177e4SLinus Torvalds bool 9291da177e4SLinus Torvalds 9301da177e4SLinus Torvaldsmenu "CPU selection" 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvaldschoice 9331da177e4SLinus Torvalds prompt "CPU type" 9341da177e4SLinus Torvalds default CPU_R4X00 9351da177e4SLinus Torvalds 9362a21c730SFuxin Zhangconfig CPU_LOONGSON2 9372a21c730SFuxin Zhang bool "Loongson 2" 9382a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9392a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9402a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9412a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9422a21c730SFuxin Zhang help 9432a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9442a21c730SFuxin Zhang with many extensions. 9452a21c730SFuxin Zhang 9466e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9476e760c8dSRalf Baechle bool "MIPS32 Release 1" 9487cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 949f7062ddbSRalf Baechle select CPU_HAS_LLSC 9506e760c8dSRalf Baechle select CPU_HAS_PREFETCH 951797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 952ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9536e760c8dSRalf Baechle help 9545e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9551e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9561e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9571e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9581e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9591e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9601e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9611e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9621e5f1caaSRalf Baechle performance. 9631e5f1caaSRalf Baechle 9641e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9651e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9667cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 967f7062ddbSRalf Baechle select CPU_HAS_LLSC 9681e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 969797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 970ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9711e5f1caaSRalf Baechle help 9725e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9736e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9746e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9756e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9766e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9771da177e4SLinus Torvalds 9786e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9796e760c8dSRalf Baechle bool "MIPS64 Release 1" 9807cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 981f7062ddbSRalf Baechle select CPU_HAS_LLSC 982797798c1SRalf Baechle select CPU_HAS_PREFETCH 983ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 984ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 985ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9866e760c8dSRalf Baechle help 9876e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9886e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9896e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9906e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9916e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9921e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9931e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9941e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9951e5f1caaSRalf Baechle performance. 9961e5f1caaSRalf Baechle 9971e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9981e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9997cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1000f7062ddbSRalf Baechle select CPU_HAS_LLSC 1001797798c1SRalf Baechle select CPU_HAS_PREFETCH 10021e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10031e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1004ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10051e5f1caaSRalf Baechle help 10061e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10071e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10081e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10091e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10101e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10111da177e4SLinus Torvalds 10121da177e4SLinus Torvaldsconfig CPU_R3000 10131da177e4SLinus Torvalds bool "R3000" 10147cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1015f7062ddbSRalf Baechle select CPU_HAS_WB 1016ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1017797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10181da177e4SLinus Torvalds help 10191da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10201da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10211da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10221da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10231da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10241da177e4SLinus Torvalds try to recompile with R3000. 10251da177e4SLinus Torvalds 10261da177e4SLinus Torvaldsconfig CPU_TX39XX 10271da177e4SLinus Torvalds bool "R39XX" 10287cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1029ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10301da177e4SLinus Torvalds 10311da177e4SLinus Torvaldsconfig CPU_VR41XX 10321da177e4SLinus Torvalds bool "R41xx" 10337cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1034ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1035ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10361da177e4SLinus Torvalds help 10375e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10381da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10391da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10401da177e4SLinus Torvalds processor or vice versa. 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvaldsconfig CPU_R4300 10431da177e4SLinus Torvalds bool "R4300" 10447cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1045f7062ddbSRalf Baechle select CPU_HAS_LLSC 1046ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1047ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10481da177e4SLinus Torvalds help 10491da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10501da177e4SLinus Torvalds 10511da177e4SLinus Torvaldsconfig CPU_R4X00 10521da177e4SLinus Torvalds bool "R4x00" 10537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1054f7062ddbSRalf Baechle select CPU_HAS_LLSC 1055ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1056ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10571da177e4SLinus Torvalds help 10581da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10591da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10601da177e4SLinus Torvalds 10611da177e4SLinus Torvaldsconfig CPU_TX49XX 10621da177e4SLinus Torvalds bool "R49XX" 10637cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1064f7062ddbSRalf Baechle select CPU_HAS_LLSC 1065de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1066ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvaldsconfig CPU_R5000 10701da177e4SLinus Torvalds bool "R5000" 10717cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1072f7062ddbSRalf Baechle select CPU_HAS_LLSC 1073ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1074ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10751da177e4SLinus Torvalds help 10761da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10771da177e4SLinus Torvalds 10781da177e4SLinus Torvaldsconfig CPU_R5432 10791da177e4SLinus Torvalds bool "R5432" 10807cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1081f7062ddbSRalf Baechle select CPU_HAS_LLSC 10825e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10835e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10841da177e4SLinus Torvalds 10851da177e4SLinus Torvaldsconfig CPU_R6000 10861da177e4SLinus Torvalds bool "R6000" 1087ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1088f7062ddbSRalf Baechle select CPU_HAS_LLSC 10897cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1090ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10911da177e4SLinus Torvalds help 10921da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1093c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig CPU_NEVADA 10961da177e4SLinus Torvalds bool "RM52xx" 10977cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 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 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvaldsconfig CPU_R8000 11051da177e4SLinus Torvalds bool "R8000" 1106ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11077cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1108f7062ddbSRalf Baechle select CPU_HAS_LLSC 11095e83d430SRalf Baechle select CPU_HAS_PREFETCH 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11111da177e4SLinus Torvalds help 11121da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11131da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11141da177e4SLinus Torvalds 11151da177e4SLinus Torvaldsconfig CPU_R10000 11161da177e4SLinus Torvalds bool "R10000" 11177cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1118f7062ddbSRalf Baechle select CPU_HAS_LLSC 11195e83d430SRalf Baechle select CPU_HAS_PREFETCH 1120ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1122797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11231da177e4SLinus Torvalds help 11241da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsconfig CPU_RM7000 11271da177e4SLinus Torvalds bool "RM7000" 11287cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1129f7062ddbSRalf Baechle select CPU_HAS_LLSC 11305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1132ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1133797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig CPU_RM9000 11361da177e4SLinus Torvalds bool "RM9000" 11377cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1138f7062ddbSRalf Baechle select CPU_HAS_LLSC 11395e83d430SRalf Baechle select CPU_HAS_PREFETCH 1140ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1141ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1142797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11430004a9dfSRalf Baechle select WEAK_ORDERING 11441da177e4SLinus Torvalds 11451da177e4SLinus Torvaldsconfig CPU_SB1 11461da177e4SLinus Torvalds bool "SB1" 11477cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1148f7062ddbSRalf Baechle select CPU_HAS_LLSC 1149ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1150ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1151797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11520004a9dfSRalf Baechle select WEAK_ORDERING 11531da177e4SLinus Torvalds 11541da177e4SLinus Torvaldsendchoice 11551da177e4SLinus Torvalds 11562a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11572a21c730SFuxin Zhang bool 11582a21c730SFuxin Zhang 11597cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11607cf8053bSRalf Baechle bool 11617cf8053bSRalf Baechle 11627cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11637cf8053bSRalf Baechle bool 11647cf8053bSRalf Baechle 11657cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11667cf8053bSRalf Baechle bool 11677cf8053bSRalf Baechle 11687cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11697cf8053bSRalf Baechle bool 11707cf8053bSRalf Baechle 11717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11727cf8053bSRalf Baechle bool 11737cf8053bSRalf Baechle 11747cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11757cf8053bSRalf Baechle bool 11767cf8053bSRalf Baechle 11777cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11787cf8053bSRalf Baechle bool 11797cf8053bSRalf Baechle 11807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11817cf8053bSRalf Baechle bool 11827cf8053bSRalf Baechle 11837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11847cf8053bSRalf Baechle bool 11857cf8053bSRalf Baechle 11867cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11877cf8053bSRalf Baechle bool 11887cf8053bSRalf Baechle 11897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11907cf8053bSRalf Baechle bool 11917cf8053bSRalf Baechle 11927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11937cf8053bSRalf Baechle bool 11947cf8053bSRalf Baechle 11957cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11967cf8053bSRalf Baechle bool 11977cf8053bSRalf Baechle 11987cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11997cf8053bSRalf Baechle bool 12007cf8053bSRalf Baechle 12017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12027cf8053bSRalf Baechle bool 12037cf8053bSRalf Baechle 12047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12057cf8053bSRalf Baechle bool 12067cf8053bSRalf Baechle 12077cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12087cf8053bSRalf Baechle bool 12097cf8053bSRalf Baechle 12107cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12117cf8053bSRalf Baechle bool 12127cf8053bSRalf Baechle 12137cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12147cf8053bSRalf Baechle bool 12157cf8053bSRalf Baechle 121617099b11SRalf Baechle# 121717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 121817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 121917099b11SRalf Baechle# 12200004a9dfSRalf Baechleconfig WEAK_ORDERING 12210004a9dfSRalf Baechle bool 122217099b11SRalf Baechle 122317099b11SRalf Baechle# 122417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 122517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 122617099b11SRalf Baechle# 122717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 122817099b11SRalf Baechle bool 12295e83d430SRalf Baechleendmenu 12305e83d430SRalf Baechle 12315e83d430SRalf Baechle# 12325e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12335e83d430SRalf Baechle# 12345e83d430SRalf Baechleconfig CPU_MIPS32 12355e83d430SRalf Baechle bool 12365e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12375e83d430SRalf Baechle 12385e83d430SRalf Baechleconfig CPU_MIPS64 12395e83d430SRalf Baechle bool 12405e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12415e83d430SRalf Baechle 12425e83d430SRalf Baechle# 1243c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12445e83d430SRalf Baechle# 12455e83d430SRalf Baechleconfig CPU_MIPSR1 12465e83d430SRalf Baechle bool 12475e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12485e83d430SRalf Baechle 12495e83d430SRalf Baechleconfig CPU_MIPSR2 12505e83d430SRalf Baechle bool 12515e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12525e83d430SRalf Baechle 12535e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12545e83d430SRalf Baechle bool 12555e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12565e83d430SRalf Baechle bool 12575e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12585e83d430SRalf Baechle bool 12595e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12605e83d430SRalf Baechle bool 12615e83d430SRalf Baechle 12625e83d430SRalf Baechlemenu "Kernel type" 12635e83d430SRalf Baechle 12645e83d430SRalf Baechlechoice 12655e83d430SRalf Baechle 12665e83d430SRalf Baechle prompt "Kernel code model" 12675e83d430SRalf Baechle help 12685e83d430SRalf Baechle You should only select this option if you have a workload that 12695e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12705e83d430SRalf Baechle large memory. You will only be presented a single option in this 12715e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12725e83d430SRalf Baechle 12735e83d430SRalf Baechleconfig 32BIT 12745e83d430SRalf Baechle bool "32-bit kernel" 12755e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12765e83d430SRalf Baechle select TRAD_SIGNALS 12775e83d430SRalf Baechle help 12785e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12795e83d430SRalf Baechleconfig 64BIT 12805e83d430SRalf Baechle bool "64-bit kernel" 12815e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12825e83d430SRalf Baechle help 12835e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12845e83d430SRalf Baechle 12855e83d430SRalf Baechleendchoice 12865e83d430SRalf Baechle 12871da177e4SLinus Torvaldschoice 12881da177e4SLinus Torvalds prompt "Kernel page size" 12891da177e4SLinus Torvalds default PAGE_SIZE_4KB 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12921da177e4SLinus Torvalds bool "4kB" 12931da177e4SLinus Torvalds help 12941da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12951da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12961da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12971da177e4SLinus Torvalds recommended for low memory systems. 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13001da177e4SLinus Torvalds bool "8kB" 13011da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13021da177e4SLinus Torvalds help 13031da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13041da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13051da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13061da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13071da177e4SLinus Torvalds compatibility of user applications. 13081da177e4SLinus Torvalds 13091da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13101da177e4SLinus Torvalds bool "16kB" 1311714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13121da177e4SLinus Torvalds help 13131da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13141da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1315714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1316714bfad6SRalf Baechle Linux distribution to support this. 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13191da177e4SLinus Torvalds bool "64kB" 13201da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13211da177e4SLinus Torvalds help 13221da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13231da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13241da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1325714bfad6SRalf Baechle writing this option is still high experimental. 13261da177e4SLinus Torvalds 13271da177e4SLinus Torvaldsendchoice 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvaldsconfig BOARD_SCACHE 13301da177e4SLinus Torvalds bool 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13331da177e4SLinus Torvalds bool 13341da177e4SLinus Torvalds select BOARD_SCACHE 13351da177e4SLinus Torvalds 13369318c51aSChris Dearman# 13379318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13389318c51aSChris Dearman# 13399318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13409318c51aSChris Dearman bool 13419318c51aSChris Dearman select BOARD_SCACHE 13429318c51aSChris Dearman 13431da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13441da177e4SLinus Torvalds bool 13451da177e4SLinus Torvalds select BOARD_SCACHE 13461da177e4SLinus Torvalds 13471da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13481da177e4SLinus Torvalds bool 13491da177e4SLinus Torvalds select BOARD_SCACHE 13501da177e4SLinus Torvalds 13511da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13521da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13531da177e4SLinus Torvalds depends on CPU_SB1 13541da177e4SLinus Torvalds help 13551da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13561da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13571da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1360c8094b53SRalf Baechle bool 13611da177e4SLinus Torvalds 1362340ee4b9SRalf Baechlechoice 1363340ee4b9SRalf Baechle prompt "MIPS MT options" 1364f41ae0b2SRalf Baechle 1365f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1366f41ae0b2SRalf Baechle bool "Disable multithreading support." 1367f41ae0b2SRalf Baechle help 1368f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1369f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1370f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1371f41ae0b2SRalf Baechle option in this menu. 1372340ee4b9SRalf Baechle 137359d6ab86SRalf Baechleconfig MIPS_MT_SMP 137459d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 137559d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 137659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1377d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 137859d6ab86SRalf Baechle select MIPS_MT 1379f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 138059d6ab86SRalf Baechle select SMP 13810ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 138259d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 138387353d8aSRalf Baechle select SMP_UP 138459d6ab86SRalf Baechle help 138559d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 138659d6ab86SRalf Baechle has been marketesed into SMVP. 138759d6ab86SRalf Baechle 138841c594abSRalf Baechleconfig MIPS_MT_SMTC 138941c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1390f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1391f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1392f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1393ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1394f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1395d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1396f41ae0b2SRalf Baechle select MIPS_MT 1397130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 139841c594abSRalf Baechle select SMP 139973b76c78SRalf Baechle select SYS_SUPPORTS_SMP 140087353d8aSRalf Baechle select SMP_UP 1401f41ae0b2SRalf Baechle help 1402f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1403f41ae0b2SRalf Baechle marketesed into SMVP. 140441c594abSRalf Baechle 1405340ee4b9SRalf Baechleendchoice 1406340ee4b9SRalf Baechle 1407f41ae0b2SRalf Baechleconfig MIPS_MT 1408f41ae0b2SRalf Baechle bool 1409f41ae0b2SRalf Baechle 14100ab7aefcSRalf Baechleconfig SCHED_SMT 14110ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14120ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14130ab7aefcSRalf Baechle default n 14140ab7aefcSRalf Baechle help 14150ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 14160ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 14170ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 14180ab7aefcSRalf Baechle 14190ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 14200ab7aefcSRalf Baechle bool 14210ab7aefcSRalf Baechle 14220ab7aefcSRalf Baechle 1423f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1424f41ae0b2SRalf Baechle bool 1425f41ae0b2SRalf Baechle 1426f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1427f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1428f088fc84SRalf Baechle default y 142907cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 143007cc0c9eSRalf Baechle 143107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 143207cc0c9eSRalf Baechle bool "VPE loader support." 143307cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 143407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 143507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 143607cc0c9eSRalf Baechle select MIPS_MT 143707cc0c9eSRalf Baechle help 143807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 143907cc0c9eSRalf Baechle onto another VPE and running it. 1440f088fc84SRalf Baechle 1441ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1442ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1443619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1444ac8be955SRalf Baechle default y 1445ac8be955SRalf Baechle help 1446ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1447ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1448ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1449ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1450ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1451ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1452ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1453ac8be955SRalf Baechle heavy I/O interrupt load. 1454ac8be955SRalf Baechle 14550db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14560db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14570db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14580db34215SKevin D. Kissell default y 14590db34215SKevin D. Kissell help 14600db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14610db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14620db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14630db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14640db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14650db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14660db34215SKevin D. Kissell what you are doing. 14670db34215SKevin D. Kissell 1468f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1469f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1470f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1471f571eff0SKevin D. Kissell default n 1472f571eff0SKevin D. Kissell help 1473f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1474f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1475f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1476f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1477f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1478f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1479f571eff0SKevin D. Kissell you are doing. 1480f571eff0SKevin D. Kissell 1481e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1482e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1483e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1484e01402b1SRalf Baechle default y 1485e01402b1SRalf Baechle help 1486e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1487e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1488e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1489e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1490e01402b1SRalf Baechle 1491e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1492e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1493e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1494e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14955e83d430SRalf Baechle help 1496e01402b1SRalf Baechle 14972600990eSRalf Baechleconfig MIPS_APSP_KSPD 14982600990eSRalf Baechle bool "Enable KSPD" 14992600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15002600990eSRalf Baechle default y 15012600990eSRalf Baechle help 15022600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15032600990eSRalf Baechle side, actions them and returns the results. It also handles the 15042600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15052600990eSRalf Baechle exiting. You probably want to say yes here. 15062600990eSRalf Baechle 15071da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15081da177e4SLinus Torvalds bool 15091da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15101da177e4SLinus Torvalds default y 15111da177e4SLinus Torvalds 15121da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15131da177e4SLinus Torvalds bool 15141da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15151da177e4SLinus Torvalds default y 15161da177e4SLinus Torvalds 15171da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 15181da177e4SLinus Torvalds bool 15191da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 15201da177e4SLinus Torvalds default y 15211da177e4SLinus Torvalds 15221da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1523d806cb2bSRalf Baechle bool 15241da177e4SLinus Torvalds 15251da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1526f7062ddbSRalf Baechle bool 15271da177e4SLinus Torvalds 15289693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 15299693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 15309693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 15319693a853SFranck Bui-Huu help 15329693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 15339693a853SFranck Bui-Huu increased security at both hardware and software level for 15349693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 15359693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 15369693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 15379693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 15389693a853SFranck Bui-Huu here. 15399693a853SFranck Bui-Huu 15401da177e4SLinus Torvaldsconfig CPU_HAS_WB 1541f7062ddbSRalf Baechle bool 1542e01402b1SRalf Baechle 1543f41ae0b2SRalf Baechle# 1544f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1545f41ae0b2SRalf Baechle# 1546e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1547f41ae0b2SRalf Baechle bool 1548e01402b1SRalf Baechle 1549f41ae0b2SRalf Baechle# 1550f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1551f41ae0b2SRalf Baechle# 1552e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1553f41ae0b2SRalf Baechle bool 1554e01402b1SRalf Baechle 15551da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15561da177e4SLinus Torvalds bool 15571da177e4SLinus Torvalds depends on !CPU_R3000 15581da177e4SLinus Torvalds default y 15591da177e4SLinus Torvalds 1560ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1561ea580401SRalf Baechle bool 1562ea580401SRalf Baechle 15631da177e4SLinus Torvalds# 156420d60d99SMaciej W. Rozycki# CPU non-features 156520d60d99SMaciej W. Rozycki# 156620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 156720d60d99SMaciej W. Rozycki bool 156820d60d99SMaciej W. Rozycki 156920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 157020d60d99SMaciej W. Rozycki bool 157120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 157220d60d99SMaciej W. Rozycki 157320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 157420d60d99SMaciej W. Rozycki bool 157520d60d99SMaciej W. Rozycki 157620d60d99SMaciej W. Rozycki# 1577797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1578797798c1SRalf Baechle# 1579797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1580797798c1SRalf Baechle bool 1581797798c1SRalf Baechle default y 1582797798c1SRalf Baechle 1583797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1584797798c1SRalf Baechle bool 1585797798c1SRalf Baechle default y 1586797798c1SRalf Baechle 15870d7012a9SIngo Molnarconfig IRQ_PER_CPU 15880d7012a9SIngo Molnar bool 15890d7012a9SIngo Molnar 1590797798c1SRalf Baechle# 15911da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15921da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15931da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15941da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15951da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15961da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15971da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15981da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1599797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1600797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1601797798c1SRalf Baechle# support. 16021da177e4SLinus Torvalds# 16031da177e4SLinus Torvaldsconfig HIGHMEM 16041da177e4SLinus Torvalds bool "High Memory Support" 1605797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1606797798c1SRalf Baechle 1607797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1608797798c1SRalf Baechle bool 1609797798c1SRalf Baechle 1610797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1611797798c1SRalf Baechle bool 16121da177e4SLinus Torvalds 16139693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16149693a853SFranck Bui-Huu bool 16159693a853SFranck Bui-Huu 1616b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1617b4819b59SYoichi Yuasa def_bool y 1618b4819b59SYoichi Yuasa depends on !NUMA 1619b4819b59SYoichi Yuasa 1620d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1621d8cb4e11SRalf Baechle bool 1622d8cb4e11SRalf Baechle default y if SGI_IP27 1623d8cb4e11SRalf Baechle help 16243dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1625d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1626d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1627d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1628d8cb4e11SRalf Baechle 1629cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1630cce335aeSRalf Baechle def_bool y 1631cce335aeSRalf Baechle 1632b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1633b1c6cd42SAtsushi Nemoto bool 16347de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 163531473747SAtsushi Nemoto 1636d8cb4e11SRalf Baechleconfig NUMA 1637d8cb4e11SRalf Baechle bool "NUMA Support" 1638d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1639d8cb4e11SRalf Baechle help 1640d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1641d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1642d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1643d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1644d8cb4e11SRalf Baechle disabled. 1645d8cb4e11SRalf Baechle 1646d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1647d8cb4e11SRalf Baechle bool 1648d8cb4e11SRalf Baechle 1649c80d79d7SYasunori Gotoconfig NODES_SHIFT 1650c80d79d7SYasunori Goto int 1651c80d79d7SYasunori Goto default "6" 1652c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1653c80d79d7SYasunori Goto 1654b4819b59SYoichi Yuasasource "mm/Kconfig" 1655b4819b59SYoichi Yuasa 16561da177e4SLinus Torvaldsconfig SMP 16571da177e4SLinus Torvalds bool "Multi-Processing support" 1658e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1659b4b30a5aSRalf Baechle select IRQ_PER_CPU 1660e73ea273SRalf Baechle help 16611da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16621da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16631da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16661da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16671da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16681da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16691da177e4SLinus Torvalds will run faster if you say N here. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16721da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16731da177e4SLinus Torvalds 167403502faaSAdrian Bunk See also the SMP-HOWTO available at 167503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 16761da177e4SLinus Torvalds 16771da177e4SLinus Torvalds If you don't know what to do here, say N. 16781da177e4SLinus Torvalds 167987353d8aSRalf Baechleconfig SMP_UP 168087353d8aSRalf Baechle bool 168187353d8aSRalf Baechle 1682e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1683e73ea273SRalf Baechle bool 1684e73ea273SRalf Baechle 168572ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 168672ede9b1SAtsushi Nemoto bool 168772ede9b1SAtsushi Nemoto 1688130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1689130e2fb7SRalf Baechle bool 1690130e2fb7SRalf Baechle 1691130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1692130e2fb7SRalf Baechle bool 1693130e2fb7SRalf Baechle 1694130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1695130e2fb7SRalf Baechle bool 1696130e2fb7SRalf Baechle 1697130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1698130e2fb7SRalf Baechle bool 1699130e2fb7SRalf Baechle 1700130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1701130e2fb7SRalf Baechle bool 1702130e2fb7SRalf Baechle 1703130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1704130e2fb7SRalf Baechle bool 1705130e2fb7SRalf Baechle 17061da177e4SLinus Torvaldsconfig NR_CPUS 17071da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 170872ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17091da177e4SLinus Torvalds depends on SMP 171072ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1711130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1712130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1713130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1714130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1715130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1716130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 17171da177e4SLinus Torvalds help 17181da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 17191da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 17201da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 172172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 172272ede9b1SAtsushi Nemoto and 2 for all others. 17231da177e4SLinus Torvalds 17241da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 172572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 172672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 172772ede9b1SAtsushi Nemoto power of two. 17281da177e4SLinus Torvalds 172939b8d525SRalf Baechleconfig MIPS_CMP 173039b8d525SRalf Baechle bool "MIPS CMP framework support" 173139b8d525SRalf Baechle depends on SMP 173239b8d525SRalf Baechle select SYNC_R4K 173339b8d525SRalf Baechle select SYS_SUPPORTS_SCHED_SMT 173439b8d525SRalf Baechle select WEAK_ORDERING 173539b8d525SRalf Baechle default n 173639b8d525SRalf Baechle help 173739b8d525SRalf Baechle This is a placeholder option for the GCMP work. It will need to 173839b8d525SRalf Baechle be handled differently... 173939b8d525SRalf Baechle 1740c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1741c4eee283SAtsushi Nemoto 17421723b4a3SAtsushi Nemoto# 17431723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 17441723b4a3SAtsushi Nemoto# 17451723b4a3SAtsushi Nemoto 17461723b4a3SAtsushi Nemotochoice 17471723b4a3SAtsushi Nemoto prompt "Timer frequency" 17481723b4a3SAtsushi Nemoto default HZ_250 17491723b4a3SAtsushi Nemoto help 17501723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 17511723b4a3SAtsushi Nemoto 17521723b4a3SAtsushi Nemoto config HZ_48 17530f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 17541723b4a3SAtsushi Nemoto 17551723b4a3SAtsushi Nemoto config HZ_100 17561723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 17571723b4a3SAtsushi Nemoto 17581723b4a3SAtsushi Nemoto config HZ_128 17591723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 17601723b4a3SAtsushi Nemoto 17611723b4a3SAtsushi Nemoto config HZ_250 17621723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 17631723b4a3SAtsushi Nemoto 17641723b4a3SAtsushi Nemoto config HZ_256 17651723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 17661723b4a3SAtsushi Nemoto 17671723b4a3SAtsushi Nemoto config HZ_1000 17681723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17691723b4a3SAtsushi Nemoto 17701723b4a3SAtsushi Nemoto config HZ_1024 17711723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17721723b4a3SAtsushi Nemoto 17731723b4a3SAtsushi Nemotoendchoice 17741723b4a3SAtsushi Nemoto 17751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17761723b4a3SAtsushi Nemoto bool 17771723b4a3SAtsushi Nemoto 17781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17791723b4a3SAtsushi Nemoto bool 17801723b4a3SAtsushi Nemoto 17811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17821723b4a3SAtsushi Nemoto bool 17831723b4a3SAtsushi Nemoto 17841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17851723b4a3SAtsushi Nemoto bool 17861723b4a3SAtsushi Nemoto 17871723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17881723b4a3SAtsushi Nemoto bool 17891723b4a3SAtsushi Nemoto 17901723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17911723b4a3SAtsushi Nemoto bool 17921723b4a3SAtsushi Nemoto 17931723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17941723b4a3SAtsushi Nemoto bool 17951723b4a3SAtsushi Nemoto 17961723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17971723b4a3SAtsushi Nemoto bool 17981723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17991723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18001723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18011723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18021723b4a3SAtsushi Nemoto 18031723b4a3SAtsushi Nemotoconfig HZ 18041723b4a3SAtsushi Nemoto int 18051723b4a3SAtsushi Nemoto default 48 if HZ_48 18061723b4a3SAtsushi Nemoto default 100 if HZ_100 18071723b4a3SAtsushi Nemoto default 128 if HZ_128 18081723b4a3SAtsushi Nemoto default 250 if HZ_250 18091723b4a3SAtsushi Nemoto default 256 if HZ_256 18101723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18111723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18121723b4a3SAtsushi Nemoto 1813e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18141da177e4SLinus Torvalds 18151da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18161da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1817875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18181da177e4SLinus Torvalds help 18191da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18201da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18211da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18221da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18231da177e4SLinus Torvalds recommended for normal users. 18241da177e4SLinus Torvalds 1825ea6e942bSAtsushi Nemotoconfig KEXEC 1826ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1827ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1828ea6e942bSAtsushi Nemoto help 1829ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1830ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 18313dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1832ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1833ea6e942bSAtsushi Nemoto 183401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1835ea6e942bSAtsushi Nemoto 1836ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1837ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1838ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1839ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1840ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1841ea6e942bSAtsushi Nemoto 1842ea6e942bSAtsushi Nemotoconfig SECCOMP 1843ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1844293c5bd1SRalf Baechle depends on PROC_FS 1845ea6e942bSAtsushi Nemoto default y 1846ea6e942bSAtsushi Nemoto help 1847ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1848ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1849ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1850ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1851ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1852ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1853ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1854ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1855ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1856ea6e942bSAtsushi Nemoto 1857ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1858ea6e942bSAtsushi Nemoto 18595e83d430SRalf Baechleendmenu 18605e83d430SRalf Baechle 18611da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 18621da177e4SLinus Torvalds bool 18631da177e4SLinus Torvalds default y 18641da177e4SLinus Torvalds 18651df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 18661df0f0ffSAtsushi Nemoto bool 18671df0f0ffSAtsushi Nemoto default y 18681df0f0ffSAtsushi Nemoto 18691df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18701df0f0ffSAtsushi Nemoto bool 18711df0f0ffSAtsushi Nemoto default y 18721df0f0ffSAtsushi Nemoto 1873b6c3539bSRalf Baechlesource "init/Kconfig" 1874b6c3539bSRalf Baechle 18751da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18761da177e4SLinus Torvalds 18775e83d430SRalf Baechleconfig HW_HAS_EISA 18785e83d430SRalf Baechle bool 18791da177e4SLinus Torvaldsconfig HW_HAS_PCI 18801da177e4SLinus Torvalds bool 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvaldsconfig PCI 18831da177e4SLinus Torvalds bool "Support for PCI controller" 18841da177e4SLinus Torvalds depends on HW_HAS_PCI 1885abb4ae46SRalf Baechle select PCI_DOMAINS 18861da177e4SLinus Torvalds help 18871da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18881da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18891da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18901da177e4SLinus Torvalds say Y, otherwise N. 18911da177e4SLinus Torvalds 18921da177e4SLinus Torvaldsconfig PCI_DOMAINS 18931da177e4SLinus Torvalds bool 18941da177e4SLinus Torvalds 18951da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18961da177e4SLinus Torvalds 18971da177e4SLinus Torvalds# 18981da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18991da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19001da177e4SLinus Torvalds# users to choose the right thing ... 19011da177e4SLinus Torvalds# 19021da177e4SLinus Torvaldsconfig ISA 19031da177e4SLinus Torvalds bool 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvaldsconfig EISA 19061da177e4SLinus Torvalds bool "EISA support" 19075e83d430SRalf Baechle depends on HW_HAS_EISA 19081da177e4SLinus Torvalds select ISA 1909aa414dffSRalf Baechle select GENERIC_ISA_DMA 19101da177e4SLinus Torvalds ---help--- 19111da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19121da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19131da177e4SLinus Torvalds 19141da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19151da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19161da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19171da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19181da177e4SLinus Torvalds 19191da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds Otherwise, say N. 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19241da177e4SLinus Torvalds 19251da177e4SLinus Torvaldsconfig TC 19261da177e4SLinus Torvalds bool "TURBOchannel support" 19271da177e4SLinus Torvalds depends on MACH_DECSTATION 19281da177e4SLinus Torvalds help 19291da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 19301da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 19311da177e4SLinus Torvalds is available at: 19321da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 19331da177e4SLinus Torvalds 19341da177e4SLinus Torvalds#config ACCESSBUS 19351da177e4SLinus Torvalds# bool "Access.Bus support" 19361da177e4SLinus Torvalds# depends on TC 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvaldsconfig MMU 19391da177e4SLinus Torvalds bool 19401da177e4SLinus Torvalds default y 19411da177e4SLinus Torvalds 1942d865bea4SRalf Baechleconfig I8253 1943d865bea4SRalf Baechle bool 1944d865bea4SRalf Baechle 1945cce335aeSRalf Baechleconfig ZONE_DMA32 1946cce335aeSRalf Baechle bool 1947cce335aeSRalf Baechle 19481da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 19491da177e4SLinus Torvalds 19501da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 19511da177e4SLinus Torvalds 19521da177e4SLinus Torvaldsendmenu 19531da177e4SLinus Torvalds 19541da177e4SLinus Torvaldsmenu "Executable file formats" 19551da177e4SLinus Torvalds 19561da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 19571da177e4SLinus Torvalds 19581da177e4SLinus Torvaldsconfig TRAD_SIGNALS 19591da177e4SLinus Torvalds bool 19601da177e4SLinus Torvalds 19611da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19621da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1963875d43e7SRalf Baechle depends on 64BIT 19641da177e4SLinus Torvalds help 19651da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19661da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19671da177e4SLinus Torvalds currently 32-bit you should say Y here. 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvaldsconfig COMPAT 19701da177e4SLinus Torvalds bool 19711da177e4SLinus Torvalds depends on MIPS32_COMPAT 19721da177e4SLinus Torvalds default y 19731da177e4SLinus Torvalds 197405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 197505e43966SAtsushi Nemoto bool 197605e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 197705e43966SAtsushi Nemoto default y 197805e43966SAtsushi Nemoto 19791da177e4SLinus Torvaldsconfig MIPS32_O32 19801da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19811da177e4SLinus Torvalds depends on MIPS32_COMPAT 19821da177e4SLinus Torvalds help 19831da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19841da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19851da177e4SLinus Torvalds existing binaries are in this format. 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvalds If unsure, say Y. 19881da177e4SLinus Torvalds 19891da177e4SLinus Torvaldsconfig MIPS32_N32 19901da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19911da177e4SLinus Torvalds depends on MIPS32_COMPAT 19921da177e4SLinus Torvalds help 19931da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19941da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19951da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19961da177e4SLinus Torvalds cases. 19971da177e4SLinus Torvalds 19981da177e4SLinus Torvalds If unsure, say N. 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvaldsconfig BINFMT_ELF32 20011da177e4SLinus Torvalds bool 20021da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20031da177e4SLinus Torvalds 20042116245eSRalf Baechleendmenu 20051da177e4SLinus Torvalds 20062116245eSRalf Baechlemenu "Power management options" 2007952fa954SRodolfo Giometti 2008f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2009f4cb5700SJohannes Berg def_bool y 2010f4cb5700SJohannes Berg depends on !SMP 2011f4cb5700SJohannes Berg 20122116245eSRalf Baechlesource "kernel/power/Kconfig" 2013952fa954SRodolfo Giometti 20141da177e4SLinus Torvaldsendmenu 20151da177e4SLinus Torvalds 2016d5950b43SSam Ravnborgsource "net/Kconfig" 2017d5950b43SSam Ravnborg 20181da177e4SLinus Torvaldssource "drivers/Kconfig" 20191da177e4SLinus Torvalds 20201da177e4SLinus Torvaldssource "fs/Kconfig" 20211da177e4SLinus Torvalds 20221da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvaldssource "security/Kconfig" 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldssource "crypto/Kconfig" 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvaldssource "lib/Kconfig" 2029