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 8442f77542SRalf Baechle select CEVT_R4K 85940f6b48SRalf Baechle select CSRC_R4K 8620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 8720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 8820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 891da177e4SLinus Torvalds select DMA_NONCOHERENT 90d388d685SMaciej W. Rozycki select NO_IOPORT 911da177e4SLinus Torvalds select IRQ_CPU 927cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 937cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 94ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 95ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 965e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 981723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 991723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1005e83d430SRalf Baechle help 1011da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1021da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1031da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1041da177e4SLinus Torvalds 1051da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1061da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds DECstation 5000/50 1091da177e4SLinus Torvalds DECstation 5000/150 1101da177e4SLinus Torvalds DECstation 5000/260 1111da177e4SLinus Torvalds DECsystem 5900/260 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds otherwise choose R3000. 1141da177e4SLinus Torvalds 1155e83d430SRalf Baechleconfig MACH_JAZZ 1163fa986faSMartin Michlmayr bool "Jazz family of machines" 1175e83d430SRalf Baechle select ARC 1185e83d430SRalf Baechle select ARC32 1195e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12042f77542SRalf Baechle select CEVT_R4K 121940f6b48SRalf Baechle select CSRC_R4K 122e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1235e83d430SRalf Baechle select GENERIC_ISA_DMA 124ea202c63SThomas Bogendoerfer select IRQ_CPU 125d865bea4SRalf Baechle select I8253 1265e83d430SRalf Baechle select I8259 1275e83d430SRalf Baechle select ISA 1287cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1295e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1305e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1311723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1329fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1331da177e4SLinus Torvalds help 1345e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1355e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1365e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1375e83d430SRalf Baechle Olivetti M700-10 workstations. 1385e83d430SRalf Baechle 1391f21d2bdSBrian Murphyconfig LASAT 1401f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14142f77542SRalf Baechle select CEVT_R4K 142940f6b48SRalf Baechle select CSRC_R4K 1431f21d2bdSBrian Murphy select DMA_NONCOHERENT 1441f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1451f21d2bdSBrian Murphy select HW_HAS_PCI 146a5ccfe5cSRalf Baechle select IRQ_CPU 1471f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1481f21d2bdSBrian Murphy select MIPS_NILE4 1491f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1501f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1511f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1521f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1531f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1541f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1551f21d2bdSBrian Murphy 156ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 157ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 158ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15942f77542SRalf Baechle select CEVT_R4K 160940f6b48SRalf Baechle select CSRC_R4K 161ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 162ade299d8SYoichi Yuasa select DMA_NONCOHERENT 163ade299d8SYoichi Yuasa select BOOT_ELF32 164ade299d8SYoichi Yuasa select BOARD_SCACHE 165ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 166ade299d8SYoichi Yuasa select HW_HAS_PCI 167ade299d8SYoichi Yuasa select I8259 168ade299d8SYoichi Yuasa select ISA 169ade299d8SYoichi Yuasa select IRQ_CPU 170ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 174ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 175ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17623dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 177ade299d8SYoichi Yuasa select CPU_HAS_WB 178ade299d8SYoichi Yuasa help 179ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 180ade299d8SYoichi Yuasa an FPGA northbridge 181ade299d8SYoichi Yuasa 1821da177e4SLinus Torvaldsconfig MIPS_ATLAS 1833fa986faSMartin Michlmayr bool "MIPS Atlas board" 1841da177e4SLinus Torvalds select BOOT_ELF32 185fa71c960SRalf Baechle select BOOT_RAW 18642f77542SRalf Baechle select CEVT_R4K 187940f6b48SRalf Baechle select CSRC_R4K 1881da177e4SLinus Torvalds select DMA_NONCOHERENT 18936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1905e83d430SRalf Baechle select IRQ_CPU 1911da177e4SLinus Torvalds select HW_HAS_PCI 1925e83d430SRalf Baechle select MIPS_BOARDS_GEN 1935e83d430SRalf Baechle select MIPS_BONITO64 194252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1955e83d430SRalf Baechle select MIPS_MSC 196f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1971da177e4SLinus Torvalds select SWAP_IO_SPACE 1987cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1997cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2007cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2017cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2027cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 203ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 204ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2055e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2065e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 207f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2089693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 209e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2101da177e4SLinus Torvalds help 211f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2121da177e4SLinus Torvalds board. 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvaldsconfig MIPS_MALTA 2153fa986faSMartin Michlmayr bool "MIPS Malta board" 21661ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2171da177e4SLinus Torvalds select BOOT_ELF32 218fa71c960SRalf Baechle select BOOT_RAW 21942f77542SRalf Baechle select CEVT_R4K 220940f6b48SRalf Baechle select CSRC_R4K 2211da177e4SLinus Torvalds select DMA_NONCOHERENT 2221da177e4SLinus Torvalds select GENERIC_ISA_DMA 223aa414dffSRalf Baechle select IRQ_CPU 22439b8d525SRalf Baechle select IRQ_GIC 2251da177e4SLinus Torvalds select HW_HAS_PCI 226d865bea4SRalf Baechle select I8253 2271da177e4SLinus Torvalds select I8259 2285e83d430SRalf Baechle select MIPS_BOARDS_GEN 2295e83d430SRalf Baechle select MIPS_BONITO64 2309318c51aSChris Dearman select MIPS_CPU_SCACHE 231252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2325e83d430SRalf Baechle select MIPS_MSC 2331da177e4SLinus Torvalds select SWAP_IO_SPACE 2347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2367cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2377cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2387cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 23936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 240ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 241ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 244f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2459693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2461da177e4SLinus Torvalds help 247f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2481da177e4SLinus Torvalds board. 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvaldsconfig MIPS_SEAD 251d98cc84dSRalf Baechle bool "MIPS SEAD board" 25242f77542SRalf Baechle select CEVT_R4K 253940f6b48SRalf Baechle select CSRC_R4K 2541da177e4SLinus Torvalds select IRQ_CPU 2551da177e4SLinus Torvalds select DMA_NONCOHERENT 25636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2575e83d430SRalf Baechle select MIPS_BOARDS_GEN 2587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2597cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2607cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 261ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2625e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2635e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2645e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2659693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 266f638d197SMaciej W. Rozycki help 267f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 268f638d197SMaciej W. Rozycki board. 2691da177e4SLinus Torvalds 270c78cbf49SRalf Baechleconfig MIPS_SIM 2713fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 27242f77542SRalf Baechle select CEVT_R4K 273940f6b48SRalf Baechle select CSRC_R4K 274c78cbf49SRalf Baechle select DMA_NONCOHERENT 27536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 276c78cbf49SRalf Baechle select IRQ_CPU 2779267a30dSMarc St-Jean select BOOT_RAW 2787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2797cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 28036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 281c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 282c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 283f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 284c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 285c78cbf49SRalf Baechle help 286c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 287c78cbf49SRalf Baechle emulator. 288c78cbf49SRalf Baechle 289ade299d8SYoichi Yuasaconfig MARKEINS 290ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 29142f77542SRalf Baechle select CEVT_R4K 292940f6b48SRalf Baechle select CSRC_R4K 293ade299d8SYoichi Yuasa select DMA_NONCOHERENT 294ade299d8SYoichi Yuasa select HW_HAS_PCI 295ade299d8SYoichi Yuasa select IRQ_CPU 296ade299d8SYoichi Yuasa select SWAP_IO_SPACE 297ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 298ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 299ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 300ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 301ade299d8SYoichi Yuasa help 302ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 303ade299d8SYoichi Yuasa boards with R5500 CPU. 304ade299d8SYoichi Yuasa 3055e83d430SRalf Baechleconfig MACH_VR41XX 30674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 30742f77542SRalf Baechle select CEVT_R4K 308940f6b48SRalf Baechle select CSRC_R4K 3097cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3109fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3115e83d430SRalf Baechle 312ade299d8SYoichi Yuasaconfig PNX8550_JBS 313*a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 314ade299d8SYoichi Yuasa select PNX8550 315ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 316ade299d8SYoichi Yuasa 317ade299d8SYoichi Yuasaconfig PNX8550_STB810 318*a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 319ade299d8SYoichi Yuasa select PNX8550 320ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 321ade299d8SYoichi Yuasa 3229267a30dSMarc St-Jeanconfig PMC_MSP 3239267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3249267a30dSMarc St-Jean depends on EXPERIMENTAL 3259267a30dSMarc St-Jean select DMA_NONCOHERENT 3269267a30dSMarc St-Jean select SWAP_IO_SPACE 3279267a30dSMarc St-Jean select NO_EXCEPT_FILL 3289267a30dSMarc St-Jean select BOOT_RAW 3299267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3309267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3319267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3329267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3339267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3349267a30dSMarc St-Jean select IRQ_CPU 3359267a30dSMarc St-Jean select SERIAL_8250 3369267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3379267a30dSMarc St-Jean help 3389267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3399267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3409267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3419267a30dSMarc St-Jean a variety of MIPS cores. 3429267a30dSMarc St-Jean 3435e83d430SRalf Baechleconfig PMC_YOSEMITE 3443fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 34542f77542SRalf Baechle select CEVT_R4K 346940f6b48SRalf Baechle select CSRC_R4K 3475e83d430SRalf Baechle select DMA_COHERENT 3485e83d430SRalf Baechle select HW_HAS_PCI 3495e83d430SRalf Baechle select IRQ_CPU 3505e83d430SRalf Baechle select IRQ_CPU_RM7K 3515e83d430SRalf Baechle select IRQ_CPU_RM9K 3525e83d430SRalf Baechle select SWAP_IO_SPACE 3537cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 35436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3555e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3565e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3575e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3585e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 359cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 360e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3615e83d430SRalf Baechle help 3625e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3635e83d430SRalf Baechle manufactured by PMC-Sierra. 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvaldsconfig SGI_IP22 3663fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3671da177e4SLinus Torvalds select ARC 3681da177e4SLinus Torvalds select ARC32 3691da177e4SLinus Torvalds select BOOT_ELF32 37042f77542SRalf Baechle select CEVT_R4K 371940f6b48SRalf Baechle select CSRC_R4K 372e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3731da177e4SLinus Torvalds select DMA_NONCOHERENT 3745e83d430SRalf Baechle select HW_HAS_EISA 375d865bea4SRalf Baechle select I8253 37668de4803SThomas Bogendoerfer select I8259 3771da177e4SLinus Torvalds select IP22_CPU_SCACHE 3781da177e4SLinus Torvalds select IRQ_CPU 379aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 380e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 381e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 382e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 383e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 384e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 385e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3861da177e4SLinus Torvalds select SWAP_IO_SPACE 3877cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3887cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 38936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 390ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 391ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3931da177e4SLinus Torvalds help 3941da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3951da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3961da177e4SLinus Torvalds that runs on these, say Y here. 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvaldsconfig SGI_IP27 3993fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4001da177e4SLinus Torvalds select ARC 4011da177e4SLinus Torvalds select ARC64 4025e83d430SRalf Baechle select BOOT_ELF64 403e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4041da177e4SLinus Torvalds select DMA_IP27 40536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4061da177e4SLinus Torvalds select HW_HAS_PCI 407130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4087cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 409ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 411cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 412d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4131a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 414e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4151da177e4SLinus Torvalds help 4161da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4171da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4181da177e4SLinus Torvalds here. 4191da177e4SLinus Torvalds 420e2defae5SThomas Bogendoerferconfig SGI_IP28 421e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 422e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 423e2defae5SThomas Bogendoerfer select ARC 424e2defae5SThomas Bogendoerfer select ARC64 425e2defae5SThomas Bogendoerfer select BOOT_ELF64 426e2defae5SThomas Bogendoerfer select CEVT_R4K 427e2defae5SThomas Bogendoerfer select CSRC_R4K 428e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 429e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 430e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 431e2defae5SThomas Bogendoerfer select IRQ_CPU 432e2defae5SThomas Bogendoerfer select HW_HAS_EISA 433e2defae5SThomas Bogendoerfer select I8253 434e2defae5SThomas Bogendoerfer select I8259 435e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 436e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 437e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 438e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 439e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 440e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 441e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 442e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 443e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 444e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 445e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 446e2defae5SThomas Bogendoerfer help 447e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 448e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 449e2defae5SThomas Bogendoerfer 4501da177e4SLinus Torvaldsconfig SGI_IP32 451cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4521da177e4SLinus Torvalds select ARC 4531da177e4SLinus Torvalds select ARC32 4541da177e4SLinus Torvalds select BOOT_ELF32 45542f77542SRalf Baechle select CEVT_R4K 456940f6b48SRalf Baechle select CSRC_R4K 4571da177e4SLinus Torvalds select DMA_NONCOHERENT 4581da177e4SLinus Torvalds select HW_HAS_PCI 459dd67b155SRalf Baechle select IRQ_CPU 4601da177e4SLinus Torvalds select R5000_CPU_SCACHE 4611da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4627cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4637cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4647cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 465dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 466ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4675e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4681da177e4SLinus Torvalds help 4691da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4701da177e4SLinus Torvalds 471ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 472ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4735e83d430SRalf Baechle depends on EXPERIMENTAL 4745e83d430SRalf Baechle select BOOT_ELF32 4755e83d430SRalf Baechle select DMA_COHERENT 4765e83d430SRalf Baechle select SIBYTE_BCM1120 4775e83d430SRalf Baechle select SWAP_IO_SPACE 4787cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4815e83d430SRalf Baechle 482ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 483ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4845e83d430SRalf Baechle depends on EXPERIMENTAL 4855e83d430SRalf Baechle select BOOT_ELF32 4865e83d430SRalf Baechle select DMA_COHERENT 4875e83d430SRalf Baechle select SIBYTE_BCM1120 4885e83d430SRalf Baechle select SWAP_IO_SPACE 4897cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4905e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4915e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4925e83d430SRalf Baechle 4935e83d430SRalf Baechleconfig SIBYTE_CRHONE 4943fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4955e83d430SRalf Baechle depends on EXPERIMENTAL 4965e83d430SRalf Baechle select BOOT_ELF32 4975e83d430SRalf Baechle select DMA_COHERENT 4985e83d430SRalf Baechle select SIBYTE_BCM1125 4995e83d430SRalf Baechle select SWAP_IO_SPACE 5007cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5015e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5025e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5035e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5045e83d430SRalf Baechle 505ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 506ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 507ade299d8SYoichi Yuasa depends on EXPERIMENTAL 508ade299d8SYoichi Yuasa select BOOT_ELF32 509ade299d8SYoichi Yuasa select DMA_COHERENT 510ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 511ade299d8SYoichi Yuasa select SWAP_IO_SPACE 512ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 514ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 515ade299d8SYoichi Yuasa 516ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 517ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 518ade299d8SYoichi Yuasa select BOOT_ELF32 519ade299d8SYoichi Yuasa select DMA_COHERENT 520ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 521ade299d8SYoichi Yuasa select SIBYTE_SB1250 522ade299d8SYoichi Yuasa select SWAP_IO_SPACE 523ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 525ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 526ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 527ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 528cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 529ade299d8SYoichi Yuasa 530ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 531ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 532ade299d8SYoichi Yuasa depends on EXPERIMENTAL 533ade299d8SYoichi Yuasa select BOOT_ELF32 534ade299d8SYoichi Yuasa select DMA_COHERENT 535ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 536ade299d8SYoichi Yuasa select SIBYTE_SB1250 537ade299d8SYoichi Yuasa select SWAP_IO_SPACE 538ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 539ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 540ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 541ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 542ade299d8SYoichi Yuasa 543ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 544ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 545ade299d8SYoichi Yuasa depends on EXPERIMENTAL 546ade299d8SYoichi Yuasa select BOOT_ELF32 547ade299d8SYoichi Yuasa select DMA_COHERENT 548ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 549ade299d8SYoichi Yuasa select SIBYTE_SB1250 550ade299d8SYoichi Yuasa select SWAP_IO_SPACE 551ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 552ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 553ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 554ade299d8SYoichi Yuasa 555ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 556ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 557ade299d8SYoichi Yuasa select BOOT_ELF32 558ade299d8SYoichi Yuasa select DMA_COHERENT 559ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 560ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 561ade299d8SYoichi Yuasa select SWAP_IO_SPACE 562ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 563ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 564651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 565ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 566cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 567ade299d8SYoichi Yuasa 56814b36af4SThomas Bogendoerferconfig SNI_RM 56914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5704a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5714a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 572231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5735e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5745e83d430SRalf Baechle select BOOT_ELF32 57542f77542SRalf Baechle select CEVT_R4K 576940f6b48SRalf Baechle select CSRC_R4K 577e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5785e83d430SRalf Baechle select DMA_NONCOHERENT 5795e83d430SRalf Baechle select GENERIC_ISA_DMA 5805e83d430SRalf Baechle select HW_HAS_EISA 5815e83d430SRalf Baechle select HW_HAS_PCI 582c066a32aSThomas Bogendoerfer select IRQ_CPU 583d865bea4SRalf Baechle select I8253 5845e83d430SRalf Baechle select I8259 5855e83d430SRalf Baechle select ISA 5864a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5877cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5884a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 589c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5904a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 59136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 592ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5935e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5944a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5955e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5965e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5971da177e4SLinus Torvalds help 59814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 59914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6005e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6015e83d430SRalf Baechle support this machine type. 6021da177e4SLinus Torvalds 6035e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6043fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 605229f773eSAtsushi Nemoto select CEVT_TXX9 6065e83d430SRalf Baechle select DMA_NONCOHERENT 6075e83d430SRalf Baechle select HW_HAS_PCI 6085e83d430SRalf Baechle select MIPS_TX3927 609c87abd75SAtsushi Nemoto select IRQ_TXX9 6105e83d430SRalf Baechle select SWAP_IO_SPACE 6117cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6125e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6136a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6152127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6165e83d430SRalf Baechle 6175e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 61808a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 61942f77542SRalf Baechle select CEVT_R4K 620940f6b48SRalf Baechle select CSRC_R4K 621229f773eSAtsushi Nemoto select CEVT_TXX9 6225e83d430SRalf Baechle select DMA_NONCOHERENT 6235e83d430SRalf Baechle select HAS_TXX9_SERIAL 6245e83d430SRalf Baechle select HW_HAS_PCI 625c87abd75SAtsushi Nemoto select IRQ_CPU 626c87abd75SAtsushi Nemoto select IRQ_TXX9 627c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6285e83d430SRalf Baechle select SWAP_IO_SPACE 6297cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6305e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6315e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6326a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 634cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6359fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6365e83d430SRalf Baechle help 6375e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6385e83d430SRalf Baechle support this machine type 6391da177e4SLinus Torvalds 64023fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6413fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 64242f77542SRalf Baechle select CEVT_R4K 643940f6b48SRalf Baechle select CSRC_R4K 644229f773eSAtsushi Nemoto select CEVT_TXX9 64523fbee9dSRalf Baechle select DMA_NONCOHERENT 64623fbee9dSRalf Baechle select HAS_TXX9_SERIAL 64723fbee9dSRalf Baechle select HW_HAS_PCI 648c87abd75SAtsushi Nemoto select IRQ_CPU 649c87abd75SAtsushi Nemoto select IRQ_TXX9 65023fbee9dSRalf Baechle select SWAP_IO_SPACE 6517cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 65223fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 65323fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 65423fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 655cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6569fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6573896b054SAtsushi Nemoto select GENERIC_GPIO 65823fbee9dSRalf Baechle help 65923fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 66023fbee9dSRalf Baechle support this machine type 66123fbee9dSRalf Baechle 662ade299d8SYoichi Yuasaconfig WR_PPMC 663ade299d8SYoichi Yuasa bool "Wind River PPMC board" 66442f77542SRalf Baechle select CEVT_R4K 665940f6b48SRalf Baechle select CSRC_R4K 666ade299d8SYoichi Yuasa select IRQ_CPU 667ade299d8SYoichi Yuasa select BOOT_ELF32 668ade299d8SYoichi Yuasa select DMA_NONCOHERENT 669ade299d8SYoichi Yuasa select HW_HAS_PCI 670ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 671ade299d8SYoichi Yuasa select SWAP_IO_SPACE 672ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 673ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 674ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 675ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 676ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 677ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 678ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 679ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 680ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 681ade299d8SYoichi Yuasa help 682ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 683ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 684ade299d8SYoichi Yuasa 6851da177e4SLinus Torvaldsendchoice 6861da177e4SLinus Torvalds 687c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6889c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6895e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6901f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6915e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 69229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 69338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6945e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 69523fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6965e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 69738b18f72SRalf Baechle 6985e83d430SRalf Baechleendmenu 6995e83d430SRalf Baechle 70095c354feSNick Pigginconfig GENERIC_LOCKBREAK 70195c354feSNick Piggin bool 70295c354feSNick Piggin default y 70395c354feSNick Piggin depends on SMP && PREEMPT 70495c354feSNick Piggin 7051da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7061da177e4SLinus Torvalds bool 7071da177e4SLinus Torvalds default y 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7101da177e4SLinus Torvalds bool 7111da177e4SLinus Torvalds 712f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 713f0d1b0b3SDavid Howells bool 714f0d1b0b3SDavid Howells default n 715f0d1b0b3SDavid Howells 716f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 717f0d1b0b3SDavid Howells bool 718f0d1b0b3SDavid Howells default n 719f0d1b0b3SDavid Howells 72000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 72100a58253SRalf Baechle bool 72200a58253SRalf Baechle default y if !MIPS_MT_SMTC 72300a58253SRalf Baechle 7243c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7253c9ee7efSAkinobu Mita bool 7263c9ee7efSAkinobu Mita default y 7273c9ee7efSAkinobu Mita 7283c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7293c9ee7efSAkinobu Mita bool 7303c9ee7efSAkinobu Mita default y 7313c9ee7efSAkinobu Mita 7321da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7331da177e4SLinus Torvalds bool 7341da177e4SLinus Torvalds default y 7351da177e4SLinus Torvalds 7367bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7377bcf7717SRalf Baechle bool 7387bcf7717SRalf Baechle default y 7397bcf7717SRalf Baechle 7408db02010SRalf Baechleconfig GENERIC_TIME 7418db02010SRalf Baechle bool 7428db02010SRalf Baechle default y 7438db02010SRalf Baechle 744f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 745f5ff0a28SRalf Baechle bool 746f5ff0a28SRalf Baechle default y 747f5ff0a28SRalf Baechle 7481cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7491cc89038SAtsushi Nemoto bool 7501cc89038SAtsushi Nemoto default y 7511cc89038SAtsushi Nemoto 752e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 753e77c232cSFranck Bui-Huu bool 754e77c232cSFranck Bui-Huu default n 755e77c232cSFranck Bui-Huu 7561da177e4SLinus Torvalds# 7571da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7581da177e4SLinus Torvalds# 7591da177e4SLinus Torvaldsconfig ARC 7601da177e4SLinus Torvalds bool 7611da177e4SLinus Torvalds 76261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 76361ed242dSRalf Baechle bool 76461ed242dSRalf Baechle 7659267a30dSMarc St-Jeanconfig BOOT_RAW 7669267a30dSMarc St-Jean bool 7679267a30dSMarc St-Jean 768217dd11eSRalf Baechleconfig CEVT_BCM1480 769217dd11eSRalf Baechle bool 770217dd11eSRalf Baechle 7711097c6acSYoichi Yuasaconfig CEVT_GT641XX 7721097c6acSYoichi Yuasa bool 7731097c6acSYoichi Yuasa 77442f77542SRalf Baechleconfig CEVT_R4K 77542f77542SRalf Baechle bool 77642f77542SRalf Baechle 777217dd11eSRalf Baechleconfig CEVT_SB1250 778217dd11eSRalf Baechle bool 779217dd11eSRalf Baechle 780229f773eSAtsushi Nemotoconfig CEVT_TXX9 781229f773eSAtsushi Nemoto bool 782229f773eSAtsushi Nemoto 783217dd11eSRalf Baechleconfig CSRC_BCM1480 784217dd11eSRalf Baechle bool 785217dd11eSRalf Baechle 786940f6b48SRalf Baechleconfig CSRC_R4K 787940f6b48SRalf Baechle bool 788940f6b48SRalf Baechle 789217dd11eSRalf Baechleconfig CSRC_SB1250 790217dd11eSRalf Baechle bool 791217dd11eSRalf Baechle 792df78b5c8SAurelien Jarnoconfig CFE 793df78b5c8SAurelien Jarno bool 794df78b5c8SAurelien Jarno 7951da177e4SLinus Torvaldsconfig DMA_COHERENT 7961da177e4SLinus Torvalds bool 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvaldsconfig DMA_IP27 7991da177e4SLinus Torvalds bool 8001da177e4SLinus Torvalds 8011da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8021da177e4SLinus Torvalds bool 8034ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8044ce588cdSRalf Baechle 8054ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8064ce588cdSRalf Baechle bool 8071da177e4SLinus Torvalds 8081da177e4SLinus Torvaldsconfig EARLY_PRINTK 80936a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 81036a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 81136a88530SRalf Baechle default y 81236a88530SRalf Baechle help 81336a88530SRalf Baechle This option enables special console drivers which allow the kernel 81436a88530SRalf Baechle to print messages very early in the bootup process. 81536a88530SRalf Baechle 81636a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 817490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 818490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 819490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 82036a88530SRalf Baechle unless you want to debug such a crash. 82136a88530SRalf Baechle 82236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8231da177e4SLinus Torvalds bool 8241da177e4SLinus Torvalds 825dbb74540SRalf Baechleconfig HOTPLUG_CPU 826dbb74540SRalf Baechle bool 827dbb74540SRalf Baechle default n 828dbb74540SRalf Baechle 8291da177e4SLinus Torvaldsconfig I8259 8301da177e4SLinus Torvalds bool 8311da177e4SLinus Torvalds 8321da177e4SLinus Torvaldsconfig MIPS_BONITO64 8331da177e4SLinus Torvalds bool 8341da177e4SLinus Torvalds 8351da177e4SLinus Torvaldsconfig MIPS_MSC 8361da177e4SLinus Torvalds bool 8371da177e4SLinus Torvalds 8381f21d2bdSBrian Murphyconfig MIPS_NILE4 8391f21d2bdSBrian Murphy bool 8401f21d2bdSBrian Murphy 8411da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8421da177e4SLinus Torvalds bool 8431da177e4SLinus Torvalds 84439b8d525SRalf Baechleconfig SYNC_R4K 84539b8d525SRalf Baechle bool 84639b8d525SRalf Baechle 847d388d685SMaciej W. Rozyckiconfig NO_IOPORT 848d388d685SMaciej W. Rozycki def_bool n 849d388d685SMaciej W. Rozycki 8508313da30SRalf Baechleconfig GENERIC_ISA_DMA 8518313da30SRalf Baechle bool 8528313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8538313da30SRalf Baechle 854aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 855aa414dffSRalf Baechle bool 8568313da30SRalf Baechle select GENERIC_ISA_DMA 857aa414dffSRalf Baechle 85809663335SYoichi Yuasaconfig GENERIC_GPIO 85909663335SYoichi Yuasa bool 86009663335SYoichi Yuasa 8615e83d430SRalf Baechle# 8623cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8635e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8645e83d430SRalf Baechle# choice statement should be more obvious to the user. 8655e83d430SRalf Baechle# 8665e83d430SRalf Baechlechoice 8675e83d430SRalf Baechle prompt "Endianess selection" 8681da177e4SLinus Torvalds help 8691da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8705e83d430SRalf Baechle byte order. These modes require different kernels and a different 8713cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8725e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8733dde6ad8SDavid Sterba one or the other endianness. 8745e83d430SRalf Baechle 8755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8765e83d430SRalf Baechle bool "Big endian" 8775e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8785e83d430SRalf Baechle 8795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8805e83d430SRalf Baechle bool "Little endian" 8815e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8825e83d430SRalf Baechle help 8835e83d430SRalf Baechle 8845e83d430SRalf Baechleendchoice 8855e83d430SRalf Baechle 8862116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8872116245eSRalf Baechle bool 8882116245eSRalf Baechle 8895e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8905e83d430SRalf Baechle bool 8915e83d430SRalf Baechle 8925e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8935e83d430SRalf Baechle bool 8941da177e4SLinus Torvalds 8951da177e4SLinus Torvaldsconfig IRQ_CPU 8961da177e4SLinus Torvalds bool 8971da177e4SLinus Torvalds 8981da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8991da177e4SLinus Torvalds bool 9001da177e4SLinus Torvalds 9015e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9025e83d430SRalf Baechle bool 9035e83d430SRalf Baechle 9049267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9059267a30dSMarc St-Jean bool 9069267a30dSMarc St-Jean 9079267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9089267a30dSMarc St-Jean bool 9099267a30dSMarc St-Jean 9108420fd00SAtsushi Nemotoconfig IRQ_TXX9 9118420fd00SAtsushi Nemoto bool 9128420fd00SAtsushi Nemoto 913d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 914d5ab1a69SYoichi Yuasa bool 915d5ab1a69SYoichi Yuasa 91639b8d525SRalf Baechleconfig IRQ_GIC 91739b8d525SRalf Baechle bool 91839b8d525SRalf Baechle 9191da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9201da177e4SLinus Torvalds bool 9211da177e4SLinus Torvalds 922252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9231da177e4SLinus Torvalds bool 9241da177e4SLinus Torvalds 9259267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9269267a30dSMarc St-Jean bool 9279267a30dSMarc St-Jean 9281da177e4SLinus Torvaldsconfig MIPS_TX3927 9291da177e4SLinus Torvalds bool 9301da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9311da177e4SLinus Torvalds 932663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 933663c3d90Sthomas@koeller.dyndns.org bool 934663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 935663c3d90Sthomas@koeller.dyndns.org 936bdf21b18SPete Popovconfig PNX8550 937bdf21b18SPete Popov bool 938bdf21b18SPete Popov select SOC_PNX8550 939bdf21b18SPete Popov 940bdf21b18SPete Popovconfig SOC_PNX8550 941bdf21b18SPete Popov bool 942bdf21b18SPete Popov select DMA_NONCOHERENT 943bdf21b18SPete Popov select HW_HAS_PCI 944b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9467cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 947e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 948cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9494ead1681SFlorian Fainelli select GENERIC_GPIO 950bdf21b18SPete Popov 9511da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9521da177e4SLinus Torvalds bool 9531da177e4SLinus Torvalds 954355c471fSdmitry pervushinconfig EMMA2RH 955355c471fSdmitry pervushin bool 956355c471fSdmitry pervushin depends on MARKEINS 957355c471fSdmitry pervushin default y 958355c471fSdmitry pervushin 959663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 960663c3d90Sthomas@koeller.dyndns.org bool 961663c3d90Sthomas@koeller.dyndns.org 962e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 963e2defae5SThomas Bogendoerfer bool 964e2defae5SThomas Bogendoerfer 965e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 966e2defae5SThomas Bogendoerfer bool 967e2defae5SThomas Bogendoerfer 968e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 969e2defae5SThomas Bogendoerfer bool 970e2defae5SThomas Bogendoerfer 971e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 972e2defae5SThomas Bogendoerfer bool 973e2defae5SThomas Bogendoerfer 974e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 975e2defae5SThomas Bogendoerfer bool 976e2defae5SThomas Bogendoerfer 977e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 978e2defae5SThomas Bogendoerfer bool 979e2defae5SThomas Bogendoerfer 980e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 981e2defae5SThomas Bogendoerfer bool 982e2defae5SThomas Bogendoerfer 9835e83d430SRalf Baechleconfig ARC32 9845e83d430SRalf Baechle bool 9855e83d430SRalf Baechle 986231a35d3SThomas Bogendoerferconfig SNIPROM 987231a35d3SThomas Bogendoerfer bool 988231a35d3SThomas Bogendoerfer 9891da177e4SLinus Torvaldsconfig BOOT_ELF32 9901da177e4SLinus Torvalds bool 9911da177e4SLinus Torvalds 9921da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9931da177e4SLinus Torvalds int 99406cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 995e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 9969267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9971da177e4SLinus Torvalds default "5" 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10001da177e4SLinus Torvalds bool 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvaldsconfig ARC_CONSOLE 10031da177e4SLinus Torvalds bool "ARC console support" 1004e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvaldsconfig ARC_MEMORY 10071da177e4SLinus Torvalds bool 100814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10091da177e4SLinus Torvalds default y 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsconfig ARC_PROMLIB 10121da177e4SLinus Torvalds bool 1013e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10141da177e4SLinus Torvalds default y 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldsconfig ARC64 10171da177e4SLinus Torvalds bool 10181da177e4SLinus Torvalds 10191da177e4SLinus Torvaldsconfig BOOT_ELF64 10201da177e4SLinus Torvalds bool 10211da177e4SLinus Torvalds 10221da177e4SLinus Torvaldsmenu "CPU selection" 10231da177e4SLinus Torvalds 10241da177e4SLinus Torvaldschoice 10251da177e4SLinus Torvalds prompt "CPU type" 10261da177e4SLinus Torvalds default CPU_R4X00 10271da177e4SLinus Torvalds 10282a21c730SFuxin Zhangconfig CPU_LOONGSON2 10292a21c730SFuxin Zhang bool "Loongson 2" 10302a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10312a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10322a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10332a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10342a21c730SFuxin Zhang help 10352a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10362a21c730SFuxin Zhang with many extensions. 10372a21c730SFuxin Zhang 10386e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10396e760c8dSRalf Baechle bool "MIPS32 Release 1" 10407cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1041f7062ddbSRalf Baechle select CPU_HAS_LLSC 10426e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1043797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1044ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10456e760c8dSRalf Baechle help 10465e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10471e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10481e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10491e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10501e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10511e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10521e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10531e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10541e5f1caaSRalf Baechle performance. 10551e5f1caaSRalf Baechle 10561e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10571e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10587cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1059f7062ddbSRalf Baechle select CPU_HAS_LLSC 10601e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1061797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1062ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10631e5f1caaSRalf Baechle help 10645e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10656e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10666e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10676e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10686e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10691da177e4SLinus Torvalds 10706e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10716e760c8dSRalf Baechle bool "MIPS64 Release 1" 10727cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1073f7062ddbSRalf Baechle select CPU_HAS_LLSC 1074797798c1SRalf Baechle select CPU_HAS_PREFETCH 1075ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1076ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1077ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10786e760c8dSRalf Baechle help 10796e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10806e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10816e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10826e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10836e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10841e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10851e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10861e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10871e5f1caaSRalf Baechle performance. 10881e5f1caaSRalf Baechle 10891e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10901e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10917cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1092f7062ddbSRalf Baechle select CPU_HAS_LLSC 1093797798c1SRalf Baechle select CPU_HAS_PREFETCH 10941e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10951e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1096ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10971e5f1caaSRalf Baechle help 10981e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10991e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11001e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11011e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11021e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvaldsconfig CPU_R3000 11051da177e4SLinus Torvalds bool "R3000" 11067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1107f7062ddbSRalf Baechle select CPU_HAS_WB 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1109797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11101da177e4SLinus Torvalds help 11111da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11121da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11131da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11141da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11151da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11161da177e4SLinus Torvalds try to recompile with R3000. 11171da177e4SLinus Torvalds 11181da177e4SLinus Torvaldsconfig CPU_TX39XX 11191da177e4SLinus Torvalds bool "R39XX" 11207cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_VR41XX 11241da177e4SLinus Torvalds bool "R41xx" 11257cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11281da177e4SLinus Torvalds help 11295e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11301da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11311da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11321da177e4SLinus Torvalds processor or vice versa. 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvaldsconfig CPU_R4300 11351da177e4SLinus Torvalds bool "R4300" 11367cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1137f7062ddbSRalf Baechle select CPU_HAS_LLSC 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11401da177e4SLinus Torvalds help 11411da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvaldsconfig CPU_R4X00 11441da177e4SLinus Torvalds bool "R4x00" 11457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1146f7062ddbSRalf Baechle select CPU_HAS_LLSC 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds help 11501da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11511da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11521da177e4SLinus Torvalds 11531da177e4SLinus Torvaldsconfig CPU_TX49XX 11541da177e4SLinus Torvalds bool "R49XX" 11557cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1156f7062ddbSRalf Baechle select CPU_HAS_LLSC 1157de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1158ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvaldsconfig CPU_R5000 11621da177e4SLinus Torvalds bool "R5000" 11637cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1164f7062ddbSRalf Baechle select CPU_HAS_LLSC 1165ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1166ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11671da177e4SLinus Torvalds help 11681da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig CPU_R5432 11711da177e4SLinus Torvalds bool "R5432" 11727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1173f7062ddbSRalf Baechle select CPU_HAS_LLSC 11745e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11755e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11761da177e4SLinus Torvalds 11771da177e4SLinus Torvaldsconfig CPU_R6000 11781da177e4SLinus Torvalds bool "R6000" 1179ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1180f7062ddbSRalf Baechle select CPU_HAS_LLSC 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11831da177e4SLinus Torvalds help 11841da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1185c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvaldsconfig CPU_NEVADA 11881da177e4SLinus Torvalds bool "RM52xx" 11897cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1190f7062ddbSRalf Baechle select CPU_HAS_LLSC 1191ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1192ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11931da177e4SLinus Torvalds help 11941da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvaldsconfig CPU_R8000 11971da177e4SLinus Torvalds bool "R8000" 1198ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1200f7062ddbSRalf Baechle select CPU_HAS_LLSC 12015e83d430SRalf Baechle select CPU_HAS_PREFETCH 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12031da177e4SLinus Torvalds help 12041da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12051da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig CPU_R10000 12081da177e4SLinus Torvalds bool "R10000" 12097cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1210f7062ddbSRalf Baechle select CPU_HAS_LLSC 12115e83d430SRalf Baechle select CPU_HAS_PREFETCH 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1214797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12151da177e4SLinus Torvalds help 12161da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig CPU_RM7000 12191da177e4SLinus Torvalds bool "RM7000" 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1221f7062ddbSRalf Baechle select CPU_HAS_LLSC 12225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1225797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12261da177e4SLinus Torvalds 12271da177e4SLinus Torvaldsconfig CPU_RM9000 12281da177e4SLinus Torvalds bool "RM9000" 12297cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1230f7062ddbSRalf Baechle select CPU_HAS_LLSC 12315e83d430SRalf Baechle select CPU_HAS_PREFETCH 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1234797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12350004a9dfSRalf Baechle select WEAK_ORDERING 12361da177e4SLinus Torvalds 12371da177e4SLinus Torvaldsconfig CPU_SB1 12381da177e4SLinus Torvalds bool "SB1" 12397cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1240f7062ddbSRalf Baechle select CPU_HAS_LLSC 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1242ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1243797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12440004a9dfSRalf Baechle select WEAK_ORDERING 12451da177e4SLinus Torvalds 12461da177e4SLinus Torvaldsendchoice 12471da177e4SLinus Torvalds 12482a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12492a21c730SFuxin Zhang bool 12502a21c730SFuxin Zhang 12517cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12527cf8053bSRalf Baechle bool 12537cf8053bSRalf Baechle 12547cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12557cf8053bSRalf Baechle bool 12567cf8053bSRalf Baechle 12577cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12587cf8053bSRalf Baechle bool 12597cf8053bSRalf Baechle 12607cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12617cf8053bSRalf Baechle bool 12627cf8053bSRalf Baechle 12637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12647cf8053bSRalf Baechle bool 12657cf8053bSRalf Baechle 12667cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12677cf8053bSRalf Baechle bool 12687cf8053bSRalf Baechle 12697cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12707cf8053bSRalf Baechle bool 12717cf8053bSRalf Baechle 12727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12737cf8053bSRalf Baechle bool 12747cf8053bSRalf Baechle 12757cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12767cf8053bSRalf Baechle bool 12777cf8053bSRalf Baechle 12787cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12797cf8053bSRalf Baechle bool 12807cf8053bSRalf Baechle 12817cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12827cf8053bSRalf Baechle bool 12837cf8053bSRalf Baechle 12847cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12857cf8053bSRalf Baechle bool 12867cf8053bSRalf Baechle 12877cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12887cf8053bSRalf Baechle bool 12897cf8053bSRalf Baechle 12907cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12917cf8053bSRalf Baechle bool 12927cf8053bSRalf Baechle 12937cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12947cf8053bSRalf Baechle bool 12957cf8053bSRalf Baechle 12967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12977cf8053bSRalf Baechle bool 12987cf8053bSRalf Baechle 12997cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13007cf8053bSRalf Baechle bool 13017cf8053bSRalf Baechle 13027cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13037cf8053bSRalf Baechle bool 13047cf8053bSRalf Baechle 13057cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13067cf8053bSRalf Baechle bool 13077cf8053bSRalf Baechle 130817099b11SRalf Baechle# 130917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 131017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 131117099b11SRalf Baechle# 13120004a9dfSRalf Baechleconfig WEAK_ORDERING 13130004a9dfSRalf Baechle bool 131417099b11SRalf Baechle 131517099b11SRalf Baechle# 131617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 131717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 131817099b11SRalf Baechle# 131917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 132017099b11SRalf Baechle bool 13215e83d430SRalf Baechleendmenu 13225e83d430SRalf Baechle 13235e83d430SRalf Baechle# 13245e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13255e83d430SRalf Baechle# 13265e83d430SRalf Baechleconfig CPU_MIPS32 13275e83d430SRalf Baechle bool 13285e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13295e83d430SRalf Baechle 13305e83d430SRalf Baechleconfig CPU_MIPS64 13315e83d430SRalf Baechle bool 13325e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13335e83d430SRalf Baechle 13345e83d430SRalf Baechle# 1335c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13365e83d430SRalf Baechle# 13375e83d430SRalf Baechleconfig CPU_MIPSR1 13385e83d430SRalf Baechle bool 13395e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13405e83d430SRalf Baechle 13415e83d430SRalf Baechleconfig CPU_MIPSR2 13425e83d430SRalf Baechle bool 13435e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13445e83d430SRalf Baechle 13455e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13465e83d430SRalf Baechle bool 13475e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13485e83d430SRalf Baechle bool 13495e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13505e83d430SRalf Baechle bool 13515e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13525e83d430SRalf Baechle bool 13535e83d430SRalf Baechle 13545e83d430SRalf Baechlemenu "Kernel type" 13555e83d430SRalf Baechle 13565e83d430SRalf Baechlechoice 13575e83d430SRalf Baechle 13585e83d430SRalf Baechle prompt "Kernel code model" 13595e83d430SRalf Baechle help 13605e83d430SRalf Baechle You should only select this option if you have a workload that 13615e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13625e83d430SRalf Baechle large memory. You will only be presented a single option in this 13635e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13645e83d430SRalf Baechle 13655e83d430SRalf Baechleconfig 32BIT 13665e83d430SRalf Baechle bool "32-bit kernel" 13675e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13685e83d430SRalf Baechle select TRAD_SIGNALS 13695e83d430SRalf Baechle help 13705e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13715e83d430SRalf Baechleconfig 64BIT 13725e83d430SRalf Baechle bool "64-bit kernel" 13735e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13745e83d430SRalf Baechle help 13755e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13765e83d430SRalf Baechle 13775e83d430SRalf Baechleendchoice 13785e83d430SRalf Baechle 13791da177e4SLinus Torvaldschoice 13801da177e4SLinus Torvalds prompt "Kernel page size" 13811da177e4SLinus Torvalds default PAGE_SIZE_4KB 13821da177e4SLinus Torvalds 13831da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13841da177e4SLinus Torvalds bool "4kB" 13851da177e4SLinus Torvalds help 13861da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13871da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13881da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13891da177e4SLinus Torvalds recommended for low memory systems. 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13921da177e4SLinus Torvalds bool "8kB" 13931da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13941da177e4SLinus Torvalds help 13951da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13961da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13971da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13981da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13991da177e4SLinus Torvalds compatibility of user applications. 14001da177e4SLinus Torvalds 14011da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14021da177e4SLinus Torvalds bool "16kB" 1403714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14041da177e4SLinus Torvalds help 14051da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14061da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1407714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1408714bfad6SRalf Baechle Linux distribution to support this. 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14111da177e4SLinus Torvalds bool "64kB" 14121da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14131da177e4SLinus Torvalds help 14141da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14151da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14161da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1417714bfad6SRalf Baechle writing this option is still high experimental. 14181da177e4SLinus Torvalds 14191da177e4SLinus Torvaldsendchoice 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvaldsconfig BOARD_SCACHE 14221da177e4SLinus Torvalds bool 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14251da177e4SLinus Torvalds bool 14261da177e4SLinus Torvalds select BOARD_SCACHE 14271da177e4SLinus Torvalds 14289318c51aSChris Dearman# 14299318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14309318c51aSChris Dearman# 14319318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14329318c51aSChris Dearman bool 14339318c51aSChris Dearman select BOARD_SCACHE 14349318c51aSChris Dearman 14351da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14361da177e4SLinus Torvalds bool 14371da177e4SLinus Torvalds select BOARD_SCACHE 14381da177e4SLinus Torvalds 14391da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14401da177e4SLinus Torvalds bool 14411da177e4SLinus Torvalds select BOARD_SCACHE 14421da177e4SLinus Torvalds 14431da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14441da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14451da177e4SLinus Torvalds depends on CPU_SB1 14461da177e4SLinus Torvalds help 14471da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14481da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14491da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1452c8094b53SRalf Baechle bool 14531da177e4SLinus Torvalds 1454340ee4b9SRalf Baechlechoice 1455340ee4b9SRalf Baechle prompt "MIPS MT options" 1456f41ae0b2SRalf Baechle 1457f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1458f41ae0b2SRalf Baechle bool "Disable multithreading support." 1459f41ae0b2SRalf Baechle help 1460f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1461f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1462f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1463f41ae0b2SRalf Baechle option in this menu. 1464340ee4b9SRalf Baechle 146559d6ab86SRalf Baechleconfig MIPS_MT_SMP 146659d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 146759d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 146859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1469d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 147059d6ab86SRalf Baechle select MIPS_MT 1471f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 147259d6ab86SRalf Baechle select SMP 14730ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 147459d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 147587353d8aSRalf Baechle select SMP_UP 147659d6ab86SRalf Baechle help 147759d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 147859d6ab86SRalf Baechle has been marketesed into SMVP. 147959d6ab86SRalf Baechle 148041c594abSRalf Baechleconfig MIPS_MT_SMTC 148141c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1482f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1483f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1484f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1485ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1486f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1487d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1488f41ae0b2SRalf Baechle select MIPS_MT 1489130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 149041c594abSRalf Baechle select SMP 149173b76c78SRalf Baechle select SYS_SUPPORTS_SMP 149287353d8aSRalf Baechle select SMP_UP 1493f41ae0b2SRalf Baechle help 1494f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1495f41ae0b2SRalf Baechle marketesed into SMVP. 149641c594abSRalf Baechle 1497340ee4b9SRalf Baechleendchoice 1498340ee4b9SRalf Baechle 1499f41ae0b2SRalf Baechleconfig MIPS_MT 1500f41ae0b2SRalf Baechle bool 1501f41ae0b2SRalf Baechle 15020ab7aefcSRalf Baechleconfig SCHED_SMT 15030ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15040ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15050ab7aefcSRalf Baechle default n 15060ab7aefcSRalf Baechle help 15070ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15080ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15090ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15100ab7aefcSRalf Baechle 15110ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15120ab7aefcSRalf Baechle bool 15130ab7aefcSRalf Baechle 15140ab7aefcSRalf Baechle 1515f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1516f41ae0b2SRalf Baechle bool 1517f41ae0b2SRalf Baechle 1518f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1519f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1520f088fc84SRalf Baechle default y 152107cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 152207cc0c9eSRalf Baechle 152307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 152407cc0c9eSRalf Baechle bool "VPE loader support." 152507cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 152607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 152707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 152807cc0c9eSRalf Baechle select MIPS_MT 152907cc0c9eSRalf Baechle help 153007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 153107cc0c9eSRalf Baechle onto another VPE and running it. 1532f088fc84SRalf Baechle 1533ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1534ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1535619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1536ac8be955SRalf Baechle default y 1537ac8be955SRalf Baechle help 1538ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1539ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1540ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1541ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1542ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1543ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1544ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1545ac8be955SRalf Baechle heavy I/O interrupt load. 1546ac8be955SRalf Baechle 15470db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15480db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15490db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15500db34215SKevin D. Kissell default y 15510db34215SKevin D. Kissell help 15520db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15530db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15540db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15550db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15560db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15570db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15580db34215SKevin D. Kissell what you are doing. 15590db34215SKevin D. Kissell 1560f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1561f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1562f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1563f571eff0SKevin D. Kissell default n 1564f571eff0SKevin D. Kissell help 1565f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1566f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1567f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1568f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1569f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1570f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1571f571eff0SKevin D. Kissell you are doing. 1572f571eff0SKevin D. Kissell 1573e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1574e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1575e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1576e01402b1SRalf Baechle default y 1577e01402b1SRalf Baechle help 1578e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1579e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1580e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1581e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1582e01402b1SRalf Baechle 1583e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1584e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1585e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1586e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15875e83d430SRalf Baechle help 1588e01402b1SRalf Baechle 15892600990eSRalf Baechleconfig MIPS_APSP_KSPD 15902600990eSRalf Baechle bool "Enable KSPD" 15912600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15922600990eSRalf Baechle default y 15932600990eSRalf Baechle help 15942600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15952600990eSRalf Baechle side, actions them and returns the results. It also handles the 15962600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15972600990eSRalf Baechle exiting. You probably want to say yes here. 15982600990eSRalf Baechle 15991da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16001da177e4SLinus Torvalds bool 16011da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16021da177e4SLinus Torvalds default y 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16051da177e4SLinus Torvalds bool 16061da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16071da177e4SLinus Torvalds default y 16081da177e4SLinus Torvalds 16091da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16101da177e4SLinus Torvalds bool 16111da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16121da177e4SLinus Torvalds default y 16131da177e4SLinus Torvalds 16141da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1615d806cb2bSRalf Baechle bool 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1618f7062ddbSRalf Baechle bool 16191da177e4SLinus Torvalds 16209693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16219693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16229693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16239693a853SFranck Bui-Huu help 16249693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16259693a853SFranck Bui-Huu increased security at both hardware and software level for 16269693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16279693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16289693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16299693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16309693a853SFranck Bui-Huu here. 16319693a853SFranck Bui-Huu 16321da177e4SLinus Torvaldsconfig CPU_HAS_WB 1633f7062ddbSRalf Baechle bool 1634e01402b1SRalf Baechle 1635f41ae0b2SRalf Baechle# 1636f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1637f41ae0b2SRalf Baechle# 1638e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1639f41ae0b2SRalf Baechle bool 1640e01402b1SRalf Baechle 1641f41ae0b2SRalf Baechle# 1642f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1643f41ae0b2SRalf Baechle# 1644e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1645f41ae0b2SRalf Baechle bool 1646e01402b1SRalf Baechle 16471da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16481da177e4SLinus Torvalds bool 16491da177e4SLinus Torvalds depends on !CPU_R3000 16501da177e4SLinus Torvalds default y 16511da177e4SLinus Torvalds 1652ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1653ea580401SRalf Baechle bool 1654ea580401SRalf Baechle 16551da177e4SLinus Torvalds# 165620d60d99SMaciej W. Rozycki# CPU non-features 165720d60d99SMaciej W. Rozycki# 165820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 165920d60d99SMaciej W. Rozycki bool 166020d60d99SMaciej W. Rozycki 166120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 166220d60d99SMaciej W. Rozycki bool 166320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 166420d60d99SMaciej W. Rozycki 166520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 166620d60d99SMaciej W. Rozycki bool 166720d60d99SMaciej W. Rozycki 166820d60d99SMaciej W. Rozycki# 1669797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1670797798c1SRalf Baechle# 1671797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1672797798c1SRalf Baechle bool 1673797798c1SRalf Baechle default y 1674797798c1SRalf Baechle 1675797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1676797798c1SRalf Baechle bool 1677797798c1SRalf Baechle default y 1678797798c1SRalf Baechle 16790d7012a9SIngo Molnarconfig IRQ_PER_CPU 16800d7012a9SIngo Molnar bool 16810d7012a9SIngo Molnar 1682797798c1SRalf Baechle# 16831da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16841da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16851da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16861da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16871da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16881da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16891da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16901da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1691797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1692797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1693797798c1SRalf Baechle# support. 16941da177e4SLinus Torvalds# 16951da177e4SLinus Torvaldsconfig HIGHMEM 16961da177e4SLinus Torvalds bool "High Memory Support" 1697797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1698797798c1SRalf Baechle 1699797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1700797798c1SRalf Baechle bool 1701797798c1SRalf Baechle 1702797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1703797798c1SRalf Baechle bool 17041da177e4SLinus Torvalds 17059693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17069693a853SFranck Bui-Huu bool 17079693a853SFranck Bui-Huu 1708b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1709b4819b59SYoichi Yuasa def_bool y 1710b4819b59SYoichi Yuasa depends on !NUMA 1711b4819b59SYoichi Yuasa 1712d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1713d8cb4e11SRalf Baechle bool 1714d8cb4e11SRalf Baechle default y if SGI_IP27 1715d8cb4e11SRalf Baechle help 17163dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1717d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1718d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1719d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1720d8cb4e11SRalf Baechle 1721cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1722cce335aeSRalf Baechle def_bool y 1723cce335aeSRalf Baechle 1724b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1725b1c6cd42SAtsushi Nemoto bool 17267de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 172731473747SAtsushi Nemoto 1728d8cb4e11SRalf Baechleconfig NUMA 1729d8cb4e11SRalf Baechle bool "NUMA Support" 1730d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1731d8cb4e11SRalf Baechle help 1732d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1733d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1734d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1735d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1736d8cb4e11SRalf Baechle disabled. 1737d8cb4e11SRalf Baechle 1738d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1739d8cb4e11SRalf Baechle bool 1740d8cb4e11SRalf Baechle 1741c80d79d7SYasunori Gotoconfig NODES_SHIFT 1742c80d79d7SYasunori Goto int 1743c80d79d7SYasunori Goto default "6" 1744c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1745c80d79d7SYasunori Goto 1746b4819b59SYoichi Yuasasource "mm/Kconfig" 1747b4819b59SYoichi Yuasa 17481da177e4SLinus Torvaldsconfig SMP 17491da177e4SLinus Torvalds bool "Multi-Processing support" 1750e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1751b4b30a5aSRalf Baechle select IRQ_PER_CPU 1752e73ea273SRalf Baechle help 17531da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17541da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17551da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17561da177e4SLinus Torvalds 17571da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17581da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17591da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17601da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17611da177e4SLinus Torvalds will run faster if you say N here. 17621da177e4SLinus Torvalds 17631da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17641da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17651da177e4SLinus Torvalds 176603502faaSAdrian Bunk See also the SMP-HOWTO available at 176703502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17681da177e4SLinus Torvalds 17691da177e4SLinus Torvalds If you don't know what to do here, say N. 17701da177e4SLinus Torvalds 177187353d8aSRalf Baechleconfig SMP_UP 177287353d8aSRalf Baechle bool 177387353d8aSRalf Baechle 1774e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1775e73ea273SRalf Baechle bool 1776e73ea273SRalf Baechle 177772ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 177872ede9b1SAtsushi Nemoto bool 177972ede9b1SAtsushi Nemoto 1780130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1781130e2fb7SRalf Baechle bool 1782130e2fb7SRalf Baechle 1783130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1784130e2fb7SRalf Baechle bool 1785130e2fb7SRalf Baechle 1786130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1787130e2fb7SRalf Baechle bool 1788130e2fb7SRalf Baechle 1789130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1790130e2fb7SRalf Baechle bool 1791130e2fb7SRalf Baechle 1792130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1793130e2fb7SRalf Baechle bool 1794130e2fb7SRalf Baechle 1795130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1796130e2fb7SRalf Baechle bool 1797130e2fb7SRalf Baechle 17981da177e4SLinus Torvaldsconfig NR_CPUS 17991da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 180072ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18011da177e4SLinus Torvalds depends on SMP 180272ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1803130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1804130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1805130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1806130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1807130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1808130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18091da177e4SLinus Torvalds help 18101da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18111da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18121da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 181372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 181472ede9b1SAtsushi Nemoto and 2 for all others. 18151da177e4SLinus Torvalds 18161da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 181772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 181872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 181972ede9b1SAtsushi Nemoto power of two. 18201da177e4SLinus Torvalds 182139b8d525SRalf Baechleconfig MIPS_CMP 182239b8d525SRalf Baechle bool "MIPS CMP framework support" 182339b8d525SRalf Baechle depends on SMP 182439b8d525SRalf Baechle select SYNC_R4K 182539b8d525SRalf Baechle select SYS_SUPPORTS_SCHED_SMT 182639b8d525SRalf Baechle select WEAK_ORDERING 182739b8d525SRalf Baechle default n 182839b8d525SRalf Baechle help 182939b8d525SRalf Baechle This is a placeholder option for the GCMP work. It will need to 183039b8d525SRalf Baechle be handled differently... 183139b8d525SRalf Baechle 1832c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1833c4eee283SAtsushi Nemoto 18341723b4a3SAtsushi Nemoto# 18351723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18361723b4a3SAtsushi Nemoto# 18371723b4a3SAtsushi Nemoto 18381723b4a3SAtsushi Nemotochoice 18391723b4a3SAtsushi Nemoto prompt "Timer frequency" 18401723b4a3SAtsushi Nemoto default HZ_250 18411723b4a3SAtsushi Nemoto help 18421723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18431723b4a3SAtsushi Nemoto 18441723b4a3SAtsushi Nemoto config HZ_48 18450f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18461723b4a3SAtsushi Nemoto 18471723b4a3SAtsushi Nemoto config HZ_100 18481723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18491723b4a3SAtsushi Nemoto 18501723b4a3SAtsushi Nemoto config HZ_128 18511723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18521723b4a3SAtsushi Nemoto 18531723b4a3SAtsushi Nemoto config HZ_250 18541723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemoto config HZ_256 18571723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18581723b4a3SAtsushi Nemoto 18591723b4a3SAtsushi Nemoto config HZ_1000 18601723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemoto config HZ_1024 18631723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemotoendchoice 18661723b4a3SAtsushi Nemoto 18671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18681723b4a3SAtsushi Nemoto bool 18691723b4a3SAtsushi Nemoto 18701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18711723b4a3SAtsushi Nemoto bool 18721723b4a3SAtsushi Nemoto 18731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18741723b4a3SAtsushi Nemoto bool 18751723b4a3SAtsushi Nemoto 18761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18771723b4a3SAtsushi Nemoto bool 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18801723b4a3SAtsushi Nemoto bool 18811723b4a3SAtsushi Nemoto 18821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18831723b4a3SAtsushi Nemoto bool 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18861723b4a3SAtsushi Nemoto bool 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18891723b4a3SAtsushi Nemoto bool 18901723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18911723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18921723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18931723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18941723b4a3SAtsushi Nemoto 18951723b4a3SAtsushi Nemotoconfig HZ 18961723b4a3SAtsushi Nemoto int 18971723b4a3SAtsushi Nemoto default 48 if HZ_48 18981723b4a3SAtsushi Nemoto default 100 if HZ_100 18991723b4a3SAtsushi Nemoto default 128 if HZ_128 19001723b4a3SAtsushi Nemoto default 250 if HZ_250 19011723b4a3SAtsushi Nemoto default 256 if HZ_256 19021723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19031723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19041723b4a3SAtsushi Nemoto 1905e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19061da177e4SLinus Torvalds 19071da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19081da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1909875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19101da177e4SLinus Torvalds help 19111da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19121da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19131da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19141da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19151da177e4SLinus Torvalds recommended for normal users. 19161da177e4SLinus Torvalds 1917ea6e942bSAtsushi Nemotoconfig KEXEC 1918ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1919ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1920ea6e942bSAtsushi Nemoto help 1921ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1922ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19233dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1924ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1925ea6e942bSAtsushi Nemoto 192601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1927ea6e942bSAtsushi Nemoto 1928ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1929ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1930ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1931ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1932ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1933ea6e942bSAtsushi Nemoto 1934ea6e942bSAtsushi Nemotoconfig SECCOMP 1935ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1936293c5bd1SRalf Baechle depends on PROC_FS 1937ea6e942bSAtsushi Nemoto default y 1938ea6e942bSAtsushi Nemoto help 1939ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1940ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1941ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1942ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1943ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1944ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1945ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1946ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1947ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1948ea6e942bSAtsushi Nemoto 1949ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1950ea6e942bSAtsushi Nemoto 19515e83d430SRalf Baechleendmenu 19525e83d430SRalf Baechle 19531da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19541da177e4SLinus Torvalds bool 19551da177e4SLinus Torvalds default y 19561da177e4SLinus Torvalds 19571df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19581df0f0ffSAtsushi Nemoto bool 19591df0f0ffSAtsushi Nemoto default y 19601df0f0ffSAtsushi Nemoto 19611df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19621df0f0ffSAtsushi Nemoto bool 19631df0f0ffSAtsushi Nemoto default y 19641df0f0ffSAtsushi Nemoto 1965b6c3539bSRalf Baechlesource "init/Kconfig" 1966b6c3539bSRalf Baechle 19671da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19681da177e4SLinus Torvalds 19695e83d430SRalf Baechleconfig HW_HAS_EISA 19705e83d430SRalf Baechle bool 19711da177e4SLinus Torvaldsconfig HW_HAS_PCI 19721da177e4SLinus Torvalds bool 19731da177e4SLinus Torvalds 19741da177e4SLinus Torvaldsconfig PCI 19751da177e4SLinus Torvalds bool "Support for PCI controller" 19761da177e4SLinus Torvalds depends on HW_HAS_PCI 1977abb4ae46SRalf Baechle select PCI_DOMAINS 19781da177e4SLinus Torvalds help 19791da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19801da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19811da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19821da177e4SLinus Torvalds say Y, otherwise N. 19831da177e4SLinus Torvalds 19841da177e4SLinus Torvaldsconfig PCI_DOMAINS 19851da177e4SLinus Torvalds bool 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19881da177e4SLinus Torvalds 19891da177e4SLinus Torvalds# 19901da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19911da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19921da177e4SLinus Torvalds# users to choose the right thing ... 19931da177e4SLinus Torvalds# 19941da177e4SLinus Torvaldsconfig ISA 19951da177e4SLinus Torvalds bool 19961da177e4SLinus Torvalds 19971da177e4SLinus Torvaldsconfig EISA 19981da177e4SLinus Torvalds bool "EISA support" 19995e83d430SRalf Baechle depends on HW_HAS_EISA 20001da177e4SLinus Torvalds select ISA 2001aa414dffSRalf Baechle select GENERIC_ISA_DMA 20021da177e4SLinus Torvalds ---help--- 20031da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20041da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20051da177e4SLinus Torvalds 20061da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20071da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20081da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20091da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvalds Otherwise, say N. 20141da177e4SLinus Torvalds 20151da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvaldsconfig TC 20181da177e4SLinus Torvalds bool "TURBOchannel support" 20191da177e4SLinus Torvalds depends on MACH_DECSTATION 20201da177e4SLinus Torvalds help 20211da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20221da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20231da177e4SLinus Torvalds is available at: 20241da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvalds#config ACCESSBUS 20271da177e4SLinus Torvalds# bool "Access.Bus support" 20281da177e4SLinus Torvalds# depends on TC 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvaldsconfig MMU 20311da177e4SLinus Torvalds bool 20321da177e4SLinus Torvalds default y 20331da177e4SLinus Torvalds 2034d865bea4SRalf Baechleconfig I8253 2035d865bea4SRalf Baechle bool 2036d865bea4SRalf Baechle 2037cce335aeSRalf Baechleconfig ZONE_DMA32 2038cce335aeSRalf Baechle bool 2039cce335aeSRalf Baechle 20401da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvaldsendmenu 20451da177e4SLinus Torvalds 20461da177e4SLinus Torvaldsmenu "Executable file formats" 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20511da177e4SLinus Torvalds bool 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldsconfig BINFMT_IRIX 20541da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20555e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20561da177e4SLinus Torvalds 20571da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20581da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2059875d43e7SRalf Baechle depends on 64BIT 20601da177e4SLinus Torvalds help 20611da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20621da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20631da177e4SLinus Torvalds currently 32-bit you should say Y here. 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig COMPAT 20661da177e4SLinus Torvalds bool 20671da177e4SLinus Torvalds depends on MIPS32_COMPAT 20681da177e4SLinus Torvalds default y 20691da177e4SLinus Torvalds 207005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 207105e43966SAtsushi Nemoto bool 207205e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 207305e43966SAtsushi Nemoto default y 207405e43966SAtsushi Nemoto 20751da177e4SLinus Torvaldsconfig MIPS32_O32 20761da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20771da177e4SLinus Torvalds depends on MIPS32_COMPAT 20781da177e4SLinus Torvalds help 20791da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20801da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20811da177e4SLinus Torvalds existing binaries are in this format. 20821da177e4SLinus Torvalds 20831da177e4SLinus Torvalds If unsure, say Y. 20841da177e4SLinus Torvalds 20851da177e4SLinus Torvaldsconfig MIPS32_N32 20861da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20871da177e4SLinus Torvalds depends on MIPS32_COMPAT 20881da177e4SLinus Torvalds help 20891da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20901da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20911da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20921da177e4SLinus Torvalds cases. 20931da177e4SLinus Torvalds 20941da177e4SLinus Torvalds If unsure, say N. 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldsconfig BINFMT_ELF32 20971da177e4SLinus Torvalds bool 20981da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20991da177e4SLinus Torvalds 21002116245eSRalf Baechleendmenu 21011da177e4SLinus Torvalds 21022116245eSRalf Baechlemenu "Power management options" 2103952fa954SRodolfo Giometti 2104f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2105f4cb5700SJohannes Berg def_bool y 2106f4cb5700SJohannes Berg depends on !SMP 2107f4cb5700SJohannes Berg 21082116245eSRalf Baechlesource "kernel/power/Kconfig" 2109952fa954SRodolfo Giometti 21101da177e4SLinus Torvaldsendmenu 21111da177e4SLinus Torvalds 2112d5950b43SSam Ravnborgsource "net/Kconfig" 2113d5950b43SSam Ravnborg 21141da177e4SLinus Torvaldssource "drivers/Kconfig" 21151da177e4SLinus Torvalds 21161da177e4SLinus Torvaldssource "fs/Kconfig" 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21191da177e4SLinus Torvalds 21201da177e4SLinus Torvaldssource "security/Kconfig" 21211da177e4SLinus Torvalds 21221da177e4SLinus Torvaldssource "crypto/Kconfig" 21231da177e4SLinus Torvalds 21241da177e4SLinus Torvaldssource "lib/Kconfig" 2125