11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4*ec7748b5SSam 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 2241da177e4SLinus Torvalds select HW_HAS_PCI 225d865bea4SRalf Baechle select I8253 2261da177e4SLinus Torvalds select I8259 2275e83d430SRalf Baechle select MIPS_BOARDS_GEN 2285e83d430SRalf Baechle select MIPS_BONITO64 2299318c51aSChris Dearman select MIPS_CPU_SCACHE 230252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2315e83d430SRalf Baechle select MIPS_MSC 2321da177e4SLinus Torvalds select SWAP_IO_SPACE 2337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2367cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2377cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 23836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 239ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 240ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 243f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2449693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2451da177e4SLinus Torvalds help 246f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2471da177e4SLinus Torvalds board. 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvaldsconfig MIPS_SEAD 250d98cc84dSRalf Baechle bool "MIPS SEAD board" 25142f77542SRalf Baechle select CEVT_R4K 252940f6b48SRalf Baechle select CSRC_R4K 2531da177e4SLinus Torvalds select IRQ_CPU 2541da177e4SLinus Torvalds select DMA_NONCOHERENT 25536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2565e83d430SRalf Baechle select MIPS_BOARDS_GEN 2577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2597cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 260ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2615e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2649693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 265f638d197SMaciej W. Rozycki help 266f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 267f638d197SMaciej W. Rozycki board. 2681da177e4SLinus Torvalds 269c78cbf49SRalf Baechleconfig MIPS_SIM 2703fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 27142f77542SRalf Baechle select CEVT_R4K 272940f6b48SRalf Baechle select CSRC_R4K 273c78cbf49SRalf Baechle select DMA_NONCOHERENT 27436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 275c78cbf49SRalf Baechle select IRQ_CPU 2769267a30dSMarc St-Jean select BOOT_RAW 2777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 27936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 280c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 281c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 282f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 283c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 284c78cbf49SRalf Baechle help 285c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 286c78cbf49SRalf Baechle emulator. 287c78cbf49SRalf Baechle 288ade299d8SYoichi Yuasaconfig MARKEINS 289ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 29042f77542SRalf Baechle select CEVT_R4K 291940f6b48SRalf Baechle select CSRC_R4K 292ade299d8SYoichi Yuasa select DMA_NONCOHERENT 293ade299d8SYoichi Yuasa select HW_HAS_PCI 294ade299d8SYoichi Yuasa select IRQ_CPU 295ade299d8SYoichi Yuasa select SWAP_IO_SPACE 296ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 297ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 298ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 299ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 300ade299d8SYoichi Yuasa help 301ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 302ade299d8SYoichi Yuasa boards with R5500 CPU. 303ade299d8SYoichi Yuasa 3045e83d430SRalf Baechleconfig MACH_VR41XX 30574142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 30642f77542SRalf Baechle select CEVT_R4K 307940f6b48SRalf Baechle select CSRC_R4K 3087cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3099fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3105e83d430SRalf Baechle 311ade299d8SYoichi Yuasaconfig PNX8550_JBS 312ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 313ade299d8SYoichi Yuasa select PNX8550 314ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 315ade299d8SYoichi Yuasa 316ade299d8SYoichi Yuasaconfig PNX8550_STB810 317ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 318ade299d8SYoichi Yuasa select PNX8550 319ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 320ade299d8SYoichi Yuasa 3219267a30dSMarc St-Jeanconfig PMC_MSP 3229267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3239267a30dSMarc St-Jean depends on EXPERIMENTAL 3249267a30dSMarc St-Jean select DMA_NONCOHERENT 3259267a30dSMarc St-Jean select SWAP_IO_SPACE 3269267a30dSMarc St-Jean select NO_EXCEPT_FILL 3279267a30dSMarc St-Jean select BOOT_RAW 3289267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3299267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3309267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3319267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3329267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3339267a30dSMarc St-Jean select IRQ_CPU 3349267a30dSMarc St-Jean select SERIAL_8250 3359267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3369267a30dSMarc St-Jean help 3379267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3389267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3399267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3409267a30dSMarc St-Jean a variety of MIPS cores. 3419267a30dSMarc St-Jean 3425e83d430SRalf Baechleconfig PMC_YOSEMITE 3433fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 34442f77542SRalf Baechle select CEVT_R4K 345940f6b48SRalf Baechle select CSRC_R4K 3465e83d430SRalf Baechle select DMA_COHERENT 3475e83d430SRalf Baechle select HW_HAS_PCI 3485e83d430SRalf Baechle select IRQ_CPU 3495e83d430SRalf Baechle select IRQ_CPU_RM7K 3505e83d430SRalf Baechle select IRQ_CPU_RM9K 3515e83d430SRalf Baechle select SWAP_IO_SPACE 3527cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 35336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3545e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3555e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3565e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3575e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 358cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 359e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3605e83d430SRalf Baechle help 3615e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3625e83d430SRalf Baechle manufactured by PMC-Sierra. 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvaldsconfig SGI_IP22 3653fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3661da177e4SLinus Torvalds select ARC 3671da177e4SLinus Torvalds select ARC32 3681da177e4SLinus Torvalds select BOOT_ELF32 36942f77542SRalf Baechle select CEVT_R4K 370940f6b48SRalf Baechle select CSRC_R4K 371e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3721da177e4SLinus Torvalds select DMA_NONCOHERENT 3735e83d430SRalf Baechle select HW_HAS_EISA 374d865bea4SRalf Baechle select I8253 37568de4803SThomas Bogendoerfer select I8259 3761da177e4SLinus Torvalds select IP22_CPU_SCACHE 3771da177e4SLinus Torvalds select IRQ_CPU 378aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 379e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 380e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 381e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 382e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 383e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 384e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3851da177e4SLinus Torvalds select SWAP_IO_SPACE 3867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3877cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 38836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 389ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 390ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3921da177e4SLinus Torvalds help 3931da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3941da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3951da177e4SLinus Torvalds that runs on these, say Y here. 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvaldsconfig SGI_IP27 3983fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3991da177e4SLinus Torvalds select ARC 4001da177e4SLinus Torvalds select ARC64 4015e83d430SRalf Baechle select BOOT_ELF64 402e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4031da177e4SLinus Torvalds select DMA_IP27 40436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4051da177e4SLinus Torvalds select HW_HAS_PCI 406130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4077cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 408ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 410cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 411d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4121a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 413e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4141da177e4SLinus Torvalds help 4151da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4161da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4171da177e4SLinus Torvalds here. 4181da177e4SLinus Torvalds 419e2defae5SThomas Bogendoerferconfig SGI_IP28 420e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 421e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 422e2defae5SThomas Bogendoerfer select ARC 423e2defae5SThomas Bogendoerfer select ARC64 424e2defae5SThomas Bogendoerfer select BOOT_ELF64 425e2defae5SThomas Bogendoerfer select CEVT_R4K 426e2defae5SThomas Bogendoerfer select CSRC_R4K 427e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 428e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 429e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 430e2defae5SThomas Bogendoerfer select IRQ_CPU 431e2defae5SThomas Bogendoerfer select HW_HAS_EISA 432e2defae5SThomas Bogendoerfer select I8253 433e2defae5SThomas Bogendoerfer select I8259 434e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 435e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 436e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 437e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 438e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 439e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 440e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 441e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 442e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 443e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 444e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 445e2defae5SThomas Bogendoerfer help 446e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 447e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 448e2defae5SThomas Bogendoerfer 4491da177e4SLinus Torvaldsconfig SGI_IP32 450cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4511da177e4SLinus Torvalds select ARC 4521da177e4SLinus Torvalds select ARC32 4531da177e4SLinus Torvalds select BOOT_ELF32 45442f77542SRalf Baechle select CEVT_R4K 455940f6b48SRalf Baechle select CSRC_R4K 4561da177e4SLinus Torvalds select DMA_NONCOHERENT 4571da177e4SLinus Torvalds select HW_HAS_PCI 458dd67b155SRalf Baechle select IRQ_CPU 4591da177e4SLinus Torvalds select R5000_CPU_SCACHE 4601da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4617cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4627cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4637cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 464dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 465ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4671da177e4SLinus Torvalds help 4681da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4691da177e4SLinus Torvalds 470ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 471ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4725e83d430SRalf Baechle depends on EXPERIMENTAL 4735e83d430SRalf Baechle select BOOT_ELF32 4745e83d430SRalf Baechle select DMA_COHERENT 4755e83d430SRalf Baechle select SIBYTE_BCM1120 4765e83d430SRalf Baechle select SWAP_IO_SPACE 4777cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4785e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4795e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4805e83d430SRalf Baechle 481ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 482ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4835e83d430SRalf Baechle depends on EXPERIMENTAL 4845e83d430SRalf Baechle select BOOT_ELF32 4855e83d430SRalf Baechle select DMA_COHERENT 4865e83d430SRalf Baechle select SIBYTE_BCM1120 4875e83d430SRalf Baechle select SWAP_IO_SPACE 4887cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4905e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4915e83d430SRalf Baechle 4925e83d430SRalf Baechleconfig SIBYTE_CRHONE 4933fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4945e83d430SRalf Baechle depends on EXPERIMENTAL 4955e83d430SRalf Baechle select BOOT_ELF32 4965e83d430SRalf Baechle select DMA_COHERENT 4975e83d430SRalf Baechle select SIBYTE_BCM1125 4985e83d430SRalf Baechle select SWAP_IO_SPACE 4997cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5005e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5015e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5025e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5035e83d430SRalf Baechle 504ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 505ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 506ade299d8SYoichi Yuasa depends on EXPERIMENTAL 507ade299d8SYoichi Yuasa select BOOT_ELF32 508ade299d8SYoichi Yuasa select DMA_COHERENT 509ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 510ade299d8SYoichi Yuasa select SWAP_IO_SPACE 511ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 514ade299d8SYoichi Yuasa 515ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 516ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 517ade299d8SYoichi Yuasa select BOOT_ELF32 518ade299d8SYoichi Yuasa select DMA_COHERENT 519ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 520ade299d8SYoichi Yuasa select SIBYTE_SB1250 521ade299d8SYoichi Yuasa select SWAP_IO_SPACE 522ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 525ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 526ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 527cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 528ade299d8SYoichi Yuasa 529ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 530ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 531ade299d8SYoichi Yuasa depends on EXPERIMENTAL 532ade299d8SYoichi Yuasa select BOOT_ELF32 533ade299d8SYoichi Yuasa select DMA_COHERENT 534ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 535ade299d8SYoichi Yuasa select SIBYTE_SB1250 536ade299d8SYoichi Yuasa select SWAP_IO_SPACE 537ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 538ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 539ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 540ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 541ade299d8SYoichi Yuasa 542ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 543ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 544ade299d8SYoichi Yuasa depends on EXPERIMENTAL 545ade299d8SYoichi Yuasa select BOOT_ELF32 546ade299d8SYoichi Yuasa select DMA_COHERENT 547ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 548ade299d8SYoichi Yuasa select SIBYTE_SB1250 549ade299d8SYoichi Yuasa select SWAP_IO_SPACE 550ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 551ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 552ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 553ade299d8SYoichi Yuasa 554ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 555ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 556ade299d8SYoichi Yuasa select BOOT_ELF32 557ade299d8SYoichi Yuasa select DMA_COHERENT 558ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 559ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 560ade299d8SYoichi Yuasa select SWAP_IO_SPACE 561ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 562ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 563651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 564ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 565cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 566ade299d8SYoichi Yuasa 56714b36af4SThomas Bogendoerferconfig SNI_RM 56814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5694a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5704a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 571231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5725e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5735e83d430SRalf Baechle select BOOT_ELF32 57442f77542SRalf Baechle select CEVT_R4K 575940f6b48SRalf Baechle select CSRC_R4K 576e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5775e83d430SRalf Baechle select DMA_NONCOHERENT 5785e83d430SRalf Baechle select GENERIC_ISA_DMA 5795e83d430SRalf Baechle select HW_HAS_EISA 5805e83d430SRalf Baechle select HW_HAS_PCI 581c066a32aSThomas Bogendoerfer select IRQ_CPU 582d865bea4SRalf Baechle select I8253 5835e83d430SRalf Baechle select I8259 5845e83d430SRalf Baechle select ISA 5854a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5874a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 588c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5894a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 59036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 591ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5925e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5934a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5945e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5961da177e4SLinus Torvalds help 59714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 59814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5995e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6005e83d430SRalf Baechle support this machine type. 6011da177e4SLinus Torvalds 6025e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6033fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 604229f773eSAtsushi Nemoto select CEVT_TXX9 6055e83d430SRalf Baechle select DMA_NONCOHERENT 6065e83d430SRalf Baechle select HW_HAS_PCI 6075e83d430SRalf Baechle select MIPS_TX3927 608c87abd75SAtsushi Nemoto select IRQ_TXX9 6095e83d430SRalf Baechle select SWAP_IO_SPACE 6107cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6115e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6126a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6142127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6155e83d430SRalf Baechle 6165e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 61708a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 61842f77542SRalf Baechle select CEVT_R4K 619940f6b48SRalf Baechle select CSRC_R4K 620229f773eSAtsushi Nemoto select CEVT_TXX9 6215e83d430SRalf Baechle select DMA_NONCOHERENT 6225e83d430SRalf Baechle select HAS_TXX9_SERIAL 6235e83d430SRalf Baechle select HW_HAS_PCI 624c87abd75SAtsushi Nemoto select IRQ_CPU 625c87abd75SAtsushi Nemoto select IRQ_TXX9 626c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6275e83d430SRalf Baechle select SWAP_IO_SPACE 6287cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6295e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6305e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6316a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 633cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6349fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6355e83d430SRalf Baechle help 6365e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6375e83d430SRalf Baechle support this machine type 6381da177e4SLinus Torvalds 63923fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6403fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 64142f77542SRalf Baechle select CEVT_R4K 642940f6b48SRalf Baechle select CSRC_R4K 643229f773eSAtsushi Nemoto select CEVT_TXX9 64423fbee9dSRalf Baechle select DMA_NONCOHERENT 64523fbee9dSRalf Baechle select HAS_TXX9_SERIAL 64623fbee9dSRalf Baechle select HW_HAS_PCI 647c87abd75SAtsushi Nemoto select IRQ_CPU 648c87abd75SAtsushi Nemoto select IRQ_TXX9 64923fbee9dSRalf Baechle select SWAP_IO_SPACE 6507cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 65123fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 65223fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 65323fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 654cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6559fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6563896b054SAtsushi Nemoto select GENERIC_GPIO 65723fbee9dSRalf Baechle help 65823fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 65923fbee9dSRalf Baechle support this machine type 66023fbee9dSRalf Baechle 661ade299d8SYoichi Yuasaconfig WR_PPMC 662ade299d8SYoichi Yuasa bool "Wind River PPMC board" 66342f77542SRalf Baechle select CEVT_R4K 664940f6b48SRalf Baechle select CSRC_R4K 665ade299d8SYoichi Yuasa select IRQ_CPU 666ade299d8SYoichi Yuasa select BOOT_ELF32 667ade299d8SYoichi Yuasa select DMA_NONCOHERENT 668ade299d8SYoichi Yuasa select HW_HAS_PCI 669ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 670ade299d8SYoichi Yuasa select SWAP_IO_SPACE 671ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 672ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 673ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 674ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 675ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 676ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 677ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 678ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 679ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 680ade299d8SYoichi Yuasa help 681ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 682ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 683ade299d8SYoichi Yuasa 6841da177e4SLinus Torvaldsendchoice 6851da177e4SLinus Torvalds 686c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6879c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6891f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6905e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 69129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 69238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6935e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 69423fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 69638b18f72SRalf Baechle 6975e83d430SRalf Baechleendmenu 6985e83d430SRalf Baechle 69995c354feSNick Pigginconfig GENERIC_LOCKBREAK 70095c354feSNick Piggin bool 70195c354feSNick Piggin default y 70295c354feSNick Piggin depends on SMP && PREEMPT 70395c354feSNick Piggin 7041da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds default y 7071da177e4SLinus Torvalds 7081da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7091da177e4SLinus Torvalds bool 7101da177e4SLinus Torvalds 711f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 712f0d1b0b3SDavid Howells bool 713f0d1b0b3SDavid Howells default n 714f0d1b0b3SDavid Howells 715f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 716f0d1b0b3SDavid Howells bool 717f0d1b0b3SDavid Howells default n 718f0d1b0b3SDavid Howells 71900a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 72000a58253SRalf Baechle bool 72100a58253SRalf Baechle default y if !MIPS_MT_SMTC 72200a58253SRalf Baechle 7233c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7243c9ee7efSAkinobu Mita bool 7253c9ee7efSAkinobu Mita default y 7263c9ee7efSAkinobu Mita 7273c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7283c9ee7efSAkinobu Mita bool 7293c9ee7efSAkinobu Mita default y 7303c9ee7efSAkinobu Mita 7311da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7321da177e4SLinus Torvalds bool 7331da177e4SLinus Torvalds default y 7341da177e4SLinus Torvalds 7357bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7367bcf7717SRalf Baechle bool 7377bcf7717SRalf Baechle default y 7387bcf7717SRalf Baechle 7398db02010SRalf Baechleconfig GENERIC_TIME 7408db02010SRalf Baechle bool 7418db02010SRalf Baechle default y 7428db02010SRalf Baechle 743f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 744f5ff0a28SRalf Baechle bool 745f5ff0a28SRalf Baechle default y 746f5ff0a28SRalf Baechle 7471cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7481cc89038SAtsushi Nemoto bool 7491cc89038SAtsushi Nemoto default y 7501cc89038SAtsushi Nemoto 751e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 752e77c232cSFranck Bui-Huu bool 753e77c232cSFranck Bui-Huu default n 754e77c232cSFranck Bui-Huu 7551da177e4SLinus Torvalds# 7561da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7571da177e4SLinus Torvalds# 7581da177e4SLinus Torvaldsconfig ARC 7591da177e4SLinus Torvalds bool 7601da177e4SLinus Torvalds 76161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 76261ed242dSRalf Baechle bool 76361ed242dSRalf Baechle 7649267a30dSMarc St-Jeanconfig BOOT_RAW 7659267a30dSMarc St-Jean bool 7669267a30dSMarc St-Jean 767217dd11eSRalf Baechleconfig CEVT_BCM1480 768217dd11eSRalf Baechle bool 769217dd11eSRalf Baechle 7701097c6acSYoichi Yuasaconfig CEVT_GT641XX 7711097c6acSYoichi Yuasa bool 7721097c6acSYoichi Yuasa 77342f77542SRalf Baechleconfig CEVT_R4K 77442f77542SRalf Baechle bool 77542f77542SRalf Baechle 776217dd11eSRalf Baechleconfig CEVT_SB1250 777217dd11eSRalf Baechle bool 778217dd11eSRalf Baechle 779229f773eSAtsushi Nemotoconfig CEVT_TXX9 780229f773eSAtsushi Nemoto bool 781229f773eSAtsushi Nemoto 782217dd11eSRalf Baechleconfig CSRC_BCM1480 783217dd11eSRalf Baechle bool 784217dd11eSRalf Baechle 785940f6b48SRalf Baechleconfig CSRC_R4K 786940f6b48SRalf Baechle bool 787940f6b48SRalf Baechle 788217dd11eSRalf Baechleconfig CSRC_SB1250 789217dd11eSRalf Baechle bool 790217dd11eSRalf Baechle 791df78b5c8SAurelien Jarnoconfig CFE 792df78b5c8SAurelien Jarno bool 793df78b5c8SAurelien Jarno 7941da177e4SLinus Torvaldsconfig DMA_COHERENT 7951da177e4SLinus Torvalds bool 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvaldsconfig DMA_IP27 7981da177e4SLinus Torvalds bool 7991da177e4SLinus Torvalds 8001da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8011da177e4SLinus Torvalds bool 8024ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8034ce588cdSRalf Baechle 8044ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8054ce588cdSRalf Baechle bool 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldsconfig EARLY_PRINTK 80836a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 80936a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 81036a88530SRalf Baechle default y 81136a88530SRalf Baechle help 81236a88530SRalf Baechle This option enables special console drivers which allow the kernel 81336a88530SRalf Baechle to print messages very early in the bootup process. 81436a88530SRalf Baechle 81536a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 816490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 817490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 818490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 81936a88530SRalf Baechle unless you want to debug such a crash. 82036a88530SRalf Baechle 82136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8221da177e4SLinus Torvalds bool 8231da177e4SLinus Torvalds 824dbb74540SRalf Baechleconfig HOTPLUG_CPU 825dbb74540SRalf Baechle bool 826dbb74540SRalf Baechle default n 827dbb74540SRalf Baechle 8281da177e4SLinus Torvaldsconfig I8259 8291da177e4SLinus Torvalds bool 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvaldsconfig MIPS_BONITO64 8321da177e4SLinus Torvalds bool 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvaldsconfig MIPS_MSC 8351da177e4SLinus Torvalds bool 8361da177e4SLinus Torvalds 8371f21d2bdSBrian Murphyconfig MIPS_NILE4 8381f21d2bdSBrian Murphy bool 8391f21d2bdSBrian Murphy 8401da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8411da177e4SLinus Torvalds bool 8421da177e4SLinus Torvalds 843d388d685SMaciej W. Rozyckiconfig NO_IOPORT 844d388d685SMaciej W. Rozycki def_bool n 845d388d685SMaciej W. Rozycki 8468313da30SRalf Baechleconfig GENERIC_ISA_DMA 8478313da30SRalf Baechle bool 8488313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8498313da30SRalf Baechle 850aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 851aa414dffSRalf Baechle bool 8528313da30SRalf Baechle select GENERIC_ISA_DMA 853aa414dffSRalf Baechle 85409663335SYoichi Yuasaconfig GENERIC_GPIO 85509663335SYoichi Yuasa bool 85609663335SYoichi Yuasa 8575e83d430SRalf Baechle# 8583cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8595e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8605e83d430SRalf Baechle# choice statement should be more obvious to the user. 8615e83d430SRalf Baechle# 8625e83d430SRalf Baechlechoice 8635e83d430SRalf Baechle prompt "Endianess selection" 8641da177e4SLinus Torvalds help 8651da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8665e83d430SRalf Baechle byte order. These modes require different kernels and a different 8673cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8685e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8693dde6ad8SDavid Sterba one or the other endianness. 8705e83d430SRalf Baechle 8715e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8725e83d430SRalf Baechle bool "Big endian" 8735e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8745e83d430SRalf Baechle 8755e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8765e83d430SRalf Baechle bool "Little endian" 8775e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8785e83d430SRalf Baechle help 8795e83d430SRalf Baechle 8805e83d430SRalf Baechleendchoice 8815e83d430SRalf Baechle 8822116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8832116245eSRalf Baechle bool 8842116245eSRalf Baechle 8855e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8865e83d430SRalf Baechle bool 8875e83d430SRalf Baechle 8885e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8895e83d430SRalf Baechle bool 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvaldsconfig IRQ_CPU 8921da177e4SLinus Torvalds bool 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8951da177e4SLinus Torvalds bool 8961da177e4SLinus Torvalds 8975e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8985e83d430SRalf Baechle bool 8995e83d430SRalf Baechle 9009267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9019267a30dSMarc St-Jean bool 9029267a30dSMarc St-Jean 9039267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9049267a30dSMarc St-Jean bool 9059267a30dSMarc St-Jean 9068420fd00SAtsushi Nemotoconfig IRQ_TXX9 9078420fd00SAtsushi Nemoto bool 9088420fd00SAtsushi Nemoto 909d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 910d5ab1a69SYoichi Yuasa bool 911d5ab1a69SYoichi Yuasa 9121da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9131da177e4SLinus Torvalds bool 9141da177e4SLinus Torvalds 915252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9161da177e4SLinus Torvalds bool 9171da177e4SLinus Torvalds 9189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9199267a30dSMarc St-Jean bool 9209267a30dSMarc St-Jean 9211da177e4SLinus Torvaldsconfig MIPS_TX3927 9221da177e4SLinus Torvalds bool 9231da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9241da177e4SLinus Torvalds 925663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 926663c3d90Sthomas@koeller.dyndns.org bool 927663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 928663c3d90Sthomas@koeller.dyndns.org 929bdf21b18SPete Popovconfig PNX8550 930bdf21b18SPete Popov bool 931bdf21b18SPete Popov select SOC_PNX8550 932bdf21b18SPete Popov 933bdf21b18SPete Popovconfig SOC_PNX8550 934bdf21b18SPete Popov bool 935bdf21b18SPete Popov select DMA_NONCOHERENT 936bdf21b18SPete Popov select HW_HAS_PCI 937b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9397cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 940e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 941cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9424ead1681SFlorian Fainelli select GENERIC_GPIO 943bdf21b18SPete Popov 9441da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9451da177e4SLinus Torvalds bool 9461da177e4SLinus Torvalds 947355c471fSdmitry pervushinconfig EMMA2RH 948355c471fSdmitry pervushin bool 949355c471fSdmitry pervushin depends on MARKEINS 950355c471fSdmitry pervushin default y 951355c471fSdmitry pervushin 952663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 953663c3d90Sthomas@koeller.dyndns.org bool 954663c3d90Sthomas@koeller.dyndns.org 955e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 956e2defae5SThomas Bogendoerfer bool 957e2defae5SThomas Bogendoerfer 958e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 959e2defae5SThomas Bogendoerfer bool 960e2defae5SThomas Bogendoerfer 961e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 962e2defae5SThomas Bogendoerfer bool 963e2defae5SThomas Bogendoerfer 964e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 965e2defae5SThomas Bogendoerfer bool 966e2defae5SThomas Bogendoerfer 967e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 968e2defae5SThomas Bogendoerfer bool 969e2defae5SThomas Bogendoerfer 970e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 971e2defae5SThomas Bogendoerfer bool 972e2defae5SThomas Bogendoerfer 973e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 974e2defae5SThomas Bogendoerfer bool 975e2defae5SThomas Bogendoerfer 9765e83d430SRalf Baechleconfig ARC32 9775e83d430SRalf Baechle bool 9785e83d430SRalf Baechle 979231a35d3SThomas Bogendoerferconfig SNIPROM 980231a35d3SThomas Bogendoerfer bool 981231a35d3SThomas Bogendoerfer 9821da177e4SLinus Torvaldsconfig BOOT_ELF32 9831da177e4SLinus Torvalds bool 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9861da177e4SLinus Torvalds int 98706cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 988e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 9899267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9901da177e4SLinus Torvalds default "5" 9911da177e4SLinus Torvalds 9921da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9931da177e4SLinus Torvalds bool 9941da177e4SLinus Torvalds 9951da177e4SLinus Torvaldsconfig ARC_CONSOLE 9961da177e4SLinus Torvalds bool "ARC console support" 997e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvaldsconfig ARC_MEMORY 10001da177e4SLinus Torvalds bool 100114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10021da177e4SLinus Torvalds default y 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvaldsconfig ARC_PROMLIB 10051da177e4SLinus Torvalds bool 1006e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10071da177e4SLinus Torvalds default y 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsconfig ARC64 10101da177e4SLinus Torvalds bool 10111da177e4SLinus Torvalds 10121da177e4SLinus Torvaldsconfig BOOT_ELF64 10131da177e4SLinus Torvalds bool 10141da177e4SLinus Torvalds 10151da177e4SLinus Torvaldsmenu "CPU selection" 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvaldschoice 10181da177e4SLinus Torvalds prompt "CPU type" 10191da177e4SLinus Torvalds default CPU_R4X00 10201da177e4SLinus Torvalds 10212a21c730SFuxin Zhangconfig CPU_LOONGSON2 10222a21c730SFuxin Zhang bool "Loongson 2" 10232a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10242a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10252a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10262a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10272a21c730SFuxin Zhang help 10282a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10292a21c730SFuxin Zhang with many extensions. 10302a21c730SFuxin Zhang 10316e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10326e760c8dSRalf Baechle bool "MIPS32 Release 1" 10337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1034f7062ddbSRalf Baechle select CPU_HAS_LLSC 10356e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1036797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1037ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10386e760c8dSRalf Baechle help 10395e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10401e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10411e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10421e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10431e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10441e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10451e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10461e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10471e5f1caaSRalf Baechle performance. 10481e5f1caaSRalf Baechle 10491e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10501e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1052f7062ddbSRalf Baechle select CPU_HAS_LLSC 10531e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1054797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1055ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10561e5f1caaSRalf Baechle help 10575e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10586e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10596e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10606e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10616e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10621da177e4SLinus Torvalds 10636e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10646e760c8dSRalf Baechle bool "MIPS64 Release 1" 10657cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1066f7062ddbSRalf Baechle select CPU_HAS_LLSC 1067797798c1SRalf Baechle select CPU_HAS_PREFETCH 1068ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1069ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1070ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10716e760c8dSRalf Baechle help 10726e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10736e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10746e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10756e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10766e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10771e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10781e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10791e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10801e5f1caaSRalf Baechle performance. 10811e5f1caaSRalf Baechle 10821e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10831e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10847cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1085f7062ddbSRalf Baechle select CPU_HAS_LLSC 1086797798c1SRalf Baechle select CPU_HAS_PREFETCH 10871e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10881e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1089ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10901e5f1caaSRalf Baechle help 10911e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10921e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10931e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10941e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10951e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvaldsconfig CPU_R3000 10981da177e4SLinus Torvalds bool "R3000" 10997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1100f7062ddbSRalf Baechle select CPU_HAS_WB 1101ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1102797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11031da177e4SLinus Torvalds help 11041da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11051da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11061da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11071da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11081da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11091da177e4SLinus Torvalds try to recompile with R3000. 11101da177e4SLinus Torvalds 11111da177e4SLinus Torvaldsconfig CPU_TX39XX 11121da177e4SLinus Torvalds bool "R39XX" 11137cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1114ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11151da177e4SLinus Torvalds 11161da177e4SLinus Torvaldsconfig CPU_VR41XX 11171da177e4SLinus Torvalds bool "R41xx" 11187cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1119ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1120ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11211da177e4SLinus Torvalds help 11225e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11231da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11241da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11251da177e4SLinus Torvalds processor or vice versa. 11261da177e4SLinus Torvalds 11271da177e4SLinus Torvaldsconfig CPU_R4300 11281da177e4SLinus Torvalds bool "R4300" 11297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1130f7062ddbSRalf Baechle select CPU_HAS_LLSC 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1132ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11331da177e4SLinus Torvalds help 11341da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11351da177e4SLinus Torvalds 11361da177e4SLinus Torvaldsconfig CPU_R4X00 11371da177e4SLinus Torvalds bool "R4x00" 11387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1139f7062ddbSRalf Baechle select CPU_HAS_LLSC 1140ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1141ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11421da177e4SLinus Torvalds help 11431da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11441da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11451da177e4SLinus Torvalds 11461da177e4SLinus Torvaldsconfig CPU_TX49XX 11471da177e4SLinus Torvalds bool "R49XX" 11487cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1149f7062ddbSRalf Baechle select CPU_HAS_LLSC 1150de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1151ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1152ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11531da177e4SLinus Torvalds 11541da177e4SLinus Torvaldsconfig CPU_R5000 11551da177e4SLinus Torvalds bool "R5000" 11567cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1157f7062ddbSRalf Baechle select CPU_HAS_LLSC 1158ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11601da177e4SLinus Torvalds help 11611da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11621da177e4SLinus Torvalds 11631da177e4SLinus Torvaldsconfig CPU_R5432 11641da177e4SLinus Torvalds bool "R5432" 11657cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1166f7062ddbSRalf Baechle select CPU_HAS_LLSC 11675e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11685e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig CPU_R6000 11711da177e4SLinus Torvalds bool "R6000" 1172ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1173f7062ddbSRalf Baechle select CPU_HAS_LLSC 11747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1175ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11761da177e4SLinus Torvalds help 11771da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1178c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11791da177e4SLinus Torvalds 11801da177e4SLinus Torvaldsconfig CPU_NEVADA 11811da177e4SLinus Torvalds bool "RM52xx" 11827cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1183f7062ddbSRalf Baechle select CPU_HAS_LLSC 1184ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1185ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11861da177e4SLinus Torvalds help 11871da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvaldsconfig CPU_R8000 11901da177e4SLinus Torvalds bool "R8000" 1191ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11927cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1193f7062ddbSRalf Baechle select CPU_HAS_LLSC 11945e83d430SRalf Baechle select CPU_HAS_PREFETCH 1195ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11961da177e4SLinus Torvalds help 11971da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11981da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11991da177e4SLinus Torvalds 12001da177e4SLinus Torvaldsconfig CPU_R10000 12011da177e4SLinus Torvalds bool "R10000" 12027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1203f7062ddbSRalf Baechle select CPU_HAS_LLSC 12045e83d430SRalf Baechle select CPU_HAS_PREFETCH 1205ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1206ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1207797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12081da177e4SLinus Torvalds help 12091da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvaldsconfig CPU_RM7000 12121da177e4SLinus Torvalds bool "RM7000" 12137cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1214f7062ddbSRalf Baechle select CPU_HAS_LLSC 12155e83d430SRalf Baechle select CPU_HAS_PREFETCH 1216ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1217ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1218797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12191da177e4SLinus Torvalds 12201da177e4SLinus Torvaldsconfig CPU_RM9000 12211da177e4SLinus Torvalds bool "RM9000" 12227cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1223f7062ddbSRalf Baechle select CPU_HAS_LLSC 12245e83d430SRalf Baechle select CPU_HAS_PREFETCH 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1226ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1227797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12280004a9dfSRalf Baechle select WEAK_ORDERING 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvaldsconfig CPU_SB1 12311da177e4SLinus Torvalds bool "SB1" 12327cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1233f7062ddbSRalf Baechle select CPU_HAS_LLSC 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1235ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1236797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12370004a9dfSRalf Baechle select WEAK_ORDERING 12381da177e4SLinus Torvalds 12391da177e4SLinus Torvaldsendchoice 12401da177e4SLinus Torvalds 12412a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12422a21c730SFuxin Zhang bool 12432a21c730SFuxin Zhang 12447cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12457cf8053bSRalf Baechle bool 12467cf8053bSRalf Baechle 12477cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12487cf8053bSRalf Baechle bool 12497cf8053bSRalf Baechle 12507cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12517cf8053bSRalf Baechle bool 12527cf8053bSRalf Baechle 12537cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12547cf8053bSRalf Baechle bool 12557cf8053bSRalf Baechle 12567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12577cf8053bSRalf Baechle bool 12587cf8053bSRalf Baechle 12597cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12607cf8053bSRalf Baechle bool 12617cf8053bSRalf Baechle 12627cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12637cf8053bSRalf Baechle bool 12647cf8053bSRalf Baechle 12657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12667cf8053bSRalf Baechle bool 12677cf8053bSRalf Baechle 12687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12697cf8053bSRalf Baechle bool 12707cf8053bSRalf Baechle 12717cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12727cf8053bSRalf Baechle bool 12737cf8053bSRalf Baechle 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 130117099b11SRalf Baechle# 130217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 130317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 130417099b11SRalf Baechle# 13050004a9dfSRalf Baechleconfig WEAK_ORDERING 13060004a9dfSRalf Baechle bool 130717099b11SRalf Baechle 130817099b11SRalf Baechle# 130917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 131017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 131117099b11SRalf Baechle# 131217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 131317099b11SRalf Baechle bool 13145e83d430SRalf Baechleendmenu 13155e83d430SRalf Baechle 13165e83d430SRalf Baechle# 13175e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13185e83d430SRalf Baechle# 13195e83d430SRalf Baechleconfig CPU_MIPS32 13205e83d430SRalf Baechle bool 13215e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13225e83d430SRalf Baechle 13235e83d430SRalf Baechleconfig CPU_MIPS64 13245e83d430SRalf Baechle bool 13255e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13265e83d430SRalf Baechle 13275e83d430SRalf Baechle# 1328c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13295e83d430SRalf Baechle# 13305e83d430SRalf Baechleconfig CPU_MIPSR1 13315e83d430SRalf Baechle bool 13325e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13335e83d430SRalf Baechle 13345e83d430SRalf Baechleconfig CPU_MIPSR2 13355e83d430SRalf Baechle bool 13365e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13375e83d430SRalf Baechle 13385e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13395e83d430SRalf Baechle bool 13405e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13415e83d430SRalf Baechle bool 13425e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13435e83d430SRalf Baechle bool 13445e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13455e83d430SRalf Baechle bool 13465e83d430SRalf Baechle 13475e83d430SRalf Baechlemenu "Kernel type" 13485e83d430SRalf Baechle 13495e83d430SRalf Baechlechoice 13505e83d430SRalf Baechle 13515e83d430SRalf Baechle prompt "Kernel code model" 13525e83d430SRalf Baechle help 13535e83d430SRalf Baechle You should only select this option if you have a workload that 13545e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13555e83d430SRalf Baechle large memory. You will only be presented a single option in this 13565e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13575e83d430SRalf Baechle 13585e83d430SRalf Baechleconfig 32BIT 13595e83d430SRalf Baechle bool "32-bit kernel" 13605e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13615e83d430SRalf Baechle select TRAD_SIGNALS 13625e83d430SRalf Baechle help 13635e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13645e83d430SRalf Baechleconfig 64BIT 13655e83d430SRalf Baechle bool "64-bit kernel" 13665e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13675e83d430SRalf Baechle help 13685e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13695e83d430SRalf Baechle 13705e83d430SRalf Baechleendchoice 13715e83d430SRalf Baechle 13721da177e4SLinus Torvaldschoice 13731da177e4SLinus Torvalds prompt "Kernel page size" 13741da177e4SLinus Torvalds default PAGE_SIZE_4KB 13751da177e4SLinus Torvalds 13761da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13771da177e4SLinus Torvalds bool "4kB" 13781da177e4SLinus Torvalds help 13791da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13801da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13811da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13821da177e4SLinus Torvalds recommended for low memory systems. 13831da177e4SLinus Torvalds 13841da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13851da177e4SLinus Torvalds bool "8kB" 13861da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13871da177e4SLinus Torvalds help 13881da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13891da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13901da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13911da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13921da177e4SLinus Torvalds compatibility of user applications. 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13951da177e4SLinus Torvalds bool "16kB" 1396714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13971da177e4SLinus Torvalds help 13981da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13991da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1400714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1401714bfad6SRalf Baechle Linux distribution to support this. 14021da177e4SLinus Torvalds 14031da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14041da177e4SLinus Torvalds bool "64kB" 14051da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14061da177e4SLinus Torvalds help 14071da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14081da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14091da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1410714bfad6SRalf Baechle writing this option is still high experimental. 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsendchoice 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvaldsconfig BOARD_SCACHE 14151da177e4SLinus Torvalds bool 14161da177e4SLinus Torvalds 14171da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14181da177e4SLinus Torvalds bool 14191da177e4SLinus Torvalds select BOARD_SCACHE 14201da177e4SLinus Torvalds 14219318c51aSChris Dearman# 14229318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14239318c51aSChris Dearman# 14249318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14259318c51aSChris Dearman bool 14269318c51aSChris Dearman select BOARD_SCACHE 14279318c51aSChris Dearman 14281da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14291da177e4SLinus Torvalds bool 14301da177e4SLinus Torvalds select BOARD_SCACHE 14311da177e4SLinus Torvalds 14321da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14331da177e4SLinus Torvalds bool 14341da177e4SLinus Torvalds select BOARD_SCACHE 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14371da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14381da177e4SLinus Torvalds depends on CPU_SB1 14391da177e4SLinus Torvalds help 14401da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14411da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14421da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14431da177e4SLinus Torvalds 14441da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1445c8094b53SRalf Baechle bool 14461da177e4SLinus Torvalds 1447340ee4b9SRalf Baechlechoice 1448340ee4b9SRalf Baechle prompt "MIPS MT options" 1449f41ae0b2SRalf Baechle 1450f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1451f41ae0b2SRalf Baechle bool "Disable multithreading support." 1452f41ae0b2SRalf Baechle help 1453f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1454f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1455f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1456f41ae0b2SRalf Baechle option in this menu. 1457340ee4b9SRalf Baechle 145859d6ab86SRalf Baechleconfig MIPS_MT_SMP 145959d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 146059d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 146159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1462d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 146359d6ab86SRalf Baechle select MIPS_MT 1464f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 146559d6ab86SRalf Baechle select SMP 14660ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 146759d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 146887353d8aSRalf Baechle select SMP_UP 146959d6ab86SRalf Baechle help 147059d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 147159d6ab86SRalf Baechle has been marketesed into SMVP. 147259d6ab86SRalf Baechle 147341c594abSRalf Baechleconfig MIPS_MT_SMTC 147441c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1475f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1476f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1477f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1478ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1479f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1480d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1481f41ae0b2SRalf Baechle select MIPS_MT 1482130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 148341c594abSRalf Baechle select SMP 148473b76c78SRalf Baechle select SYS_SUPPORTS_SMP 148587353d8aSRalf Baechle select SMP_UP 1486f41ae0b2SRalf Baechle help 1487f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1488f41ae0b2SRalf Baechle marketesed into SMVP. 148941c594abSRalf Baechle 1490340ee4b9SRalf Baechleendchoice 1491340ee4b9SRalf Baechle 1492f41ae0b2SRalf Baechleconfig MIPS_MT 1493f41ae0b2SRalf Baechle bool 1494f41ae0b2SRalf Baechle 14950ab7aefcSRalf Baechleconfig SCHED_SMT 14960ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14970ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14980ab7aefcSRalf Baechle default n 14990ab7aefcSRalf Baechle help 15000ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15010ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15020ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15030ab7aefcSRalf Baechle 15040ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15050ab7aefcSRalf Baechle bool 15060ab7aefcSRalf Baechle 15070ab7aefcSRalf Baechle 1508f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1509f41ae0b2SRalf Baechle bool 1510f41ae0b2SRalf Baechle 1511f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1512f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1513f088fc84SRalf Baechle default y 151407cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 151507cc0c9eSRalf Baechle 151607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 151707cc0c9eSRalf Baechle bool "VPE loader support." 151807cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 151907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 152007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 152107cc0c9eSRalf Baechle select MIPS_MT 152207cc0c9eSRalf Baechle help 152307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 152407cc0c9eSRalf Baechle onto another VPE and running it. 1525f088fc84SRalf Baechle 1526ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1527ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1528619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1529ac8be955SRalf Baechle default y 1530ac8be955SRalf Baechle help 1531ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1532ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1533ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1534ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1535ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1536ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1537ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1538ac8be955SRalf Baechle heavy I/O interrupt load. 1539ac8be955SRalf Baechle 15400db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15410db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15420db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15430db34215SKevin D. Kissell default y 15440db34215SKevin D. Kissell help 15450db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15460db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15470db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15480db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15490db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15500db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15510db34215SKevin D. Kissell what you are doing. 15520db34215SKevin D. Kissell 1553f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1554f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1555f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1556f571eff0SKevin D. Kissell default n 1557f571eff0SKevin D. Kissell help 1558f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1559f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1560f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1561f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1562f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1563f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1564f571eff0SKevin D. Kissell you are doing. 1565f571eff0SKevin D. Kissell 1566e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1567e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1568e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1569e01402b1SRalf Baechle default y 1570e01402b1SRalf Baechle help 1571e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1572e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1573e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1574e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1575e01402b1SRalf Baechle 1576e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1577e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1578e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1579e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15805e83d430SRalf Baechle help 1581e01402b1SRalf Baechle 15822600990eSRalf Baechleconfig MIPS_APSP_KSPD 15832600990eSRalf Baechle bool "Enable KSPD" 15842600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15852600990eSRalf Baechle default y 15862600990eSRalf Baechle help 15872600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15882600990eSRalf Baechle side, actions them and returns the results. It also handles the 15892600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15902600990eSRalf Baechle exiting. You probably want to say yes here. 15912600990eSRalf Baechle 15921da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15931da177e4SLinus Torvalds bool 15941da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15951da177e4SLinus Torvalds default y 15961da177e4SLinus Torvalds 15971da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15981da177e4SLinus Torvalds bool 15991da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16001da177e4SLinus Torvalds default y 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16031da177e4SLinus Torvalds bool 16041da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16051da177e4SLinus Torvalds default y 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1608d806cb2bSRalf Baechle bool 16091da177e4SLinus Torvalds 16101da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1611f7062ddbSRalf Baechle bool 16121da177e4SLinus Torvalds 16139693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16149693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16159693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16169693a853SFranck Bui-Huu help 16179693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16189693a853SFranck Bui-Huu increased security at both hardware and software level for 16199693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16209693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16219693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16229693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16239693a853SFranck Bui-Huu here. 16249693a853SFranck Bui-Huu 16251da177e4SLinus Torvaldsconfig CPU_HAS_WB 1626f7062ddbSRalf Baechle bool 1627e01402b1SRalf Baechle 1628f41ae0b2SRalf Baechle# 1629f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1630f41ae0b2SRalf Baechle# 1631e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1632f41ae0b2SRalf Baechle bool 1633e01402b1SRalf Baechle 1634f41ae0b2SRalf Baechle# 1635f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1636f41ae0b2SRalf Baechle# 1637e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1638f41ae0b2SRalf Baechle bool 1639e01402b1SRalf Baechle 16401da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16411da177e4SLinus Torvalds bool 16421da177e4SLinus Torvalds depends on !CPU_R3000 16431da177e4SLinus Torvalds default y 16441da177e4SLinus Torvalds 1645ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1646ea580401SRalf Baechle bool 1647ea580401SRalf Baechle 16481da177e4SLinus Torvalds# 164920d60d99SMaciej W. Rozycki# CPU non-features 165020d60d99SMaciej W. Rozycki# 165120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 165220d60d99SMaciej W. Rozycki bool 165320d60d99SMaciej W. Rozycki 165420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 165520d60d99SMaciej W. Rozycki bool 165620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 165720d60d99SMaciej W. Rozycki 165820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 165920d60d99SMaciej W. Rozycki bool 166020d60d99SMaciej W. Rozycki 166120d60d99SMaciej W. Rozycki# 1662797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1663797798c1SRalf Baechle# 1664797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1665797798c1SRalf Baechle bool 1666797798c1SRalf Baechle default y 1667797798c1SRalf Baechle 1668797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1669797798c1SRalf Baechle bool 1670797798c1SRalf Baechle default y 1671797798c1SRalf Baechle 16720d7012a9SIngo Molnarconfig IRQ_PER_CPU 16730d7012a9SIngo Molnar bool 16740d7012a9SIngo Molnar 1675797798c1SRalf Baechle# 16761da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16771da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16781da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16791da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16801da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16811da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16821da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16831da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1684797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1685797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1686797798c1SRalf Baechle# support. 16871da177e4SLinus Torvalds# 16881da177e4SLinus Torvaldsconfig HIGHMEM 16891da177e4SLinus Torvalds bool "High Memory Support" 1690797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1691797798c1SRalf Baechle 1692797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1693797798c1SRalf Baechle bool 1694797798c1SRalf Baechle 1695797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1696797798c1SRalf Baechle bool 16971da177e4SLinus Torvalds 16989693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16999693a853SFranck Bui-Huu bool 17009693a853SFranck Bui-Huu 1701b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1702b4819b59SYoichi Yuasa def_bool y 1703b4819b59SYoichi Yuasa depends on !NUMA 1704b4819b59SYoichi Yuasa 1705d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1706d8cb4e11SRalf Baechle bool 1707d8cb4e11SRalf Baechle default y if SGI_IP27 1708d8cb4e11SRalf Baechle help 17093dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1710d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1711d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1712d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1713d8cb4e11SRalf Baechle 1714cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1715cce335aeSRalf Baechle def_bool y 1716cce335aeSRalf Baechle 1717b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1718b1c6cd42SAtsushi Nemoto bool 17197de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 172031473747SAtsushi Nemoto 1721d8cb4e11SRalf Baechleconfig NUMA 1722d8cb4e11SRalf Baechle bool "NUMA Support" 1723d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1724d8cb4e11SRalf Baechle help 1725d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1726d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1727d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1728d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1729d8cb4e11SRalf Baechle disabled. 1730d8cb4e11SRalf Baechle 1731d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1732d8cb4e11SRalf Baechle bool 1733d8cb4e11SRalf Baechle 1734c80d79d7SYasunori Gotoconfig NODES_SHIFT 1735c80d79d7SYasunori Goto int 1736c80d79d7SYasunori Goto default "6" 1737c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1738c80d79d7SYasunori Goto 1739b4819b59SYoichi Yuasasource "mm/Kconfig" 1740b4819b59SYoichi Yuasa 17411da177e4SLinus Torvaldsconfig SMP 17421da177e4SLinus Torvalds bool "Multi-Processing support" 1743e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1744b4b30a5aSRalf Baechle select IRQ_PER_CPU 1745e73ea273SRalf Baechle help 17461da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17471da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17481da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17491da177e4SLinus Torvalds 17501da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17511da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17521da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17531da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17541da177e4SLinus Torvalds will run faster if you say N here. 17551da177e4SLinus Torvalds 17561da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17571da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17581da177e4SLinus Torvalds 175903502faaSAdrian Bunk See also the SMP-HOWTO available at 176003502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17611da177e4SLinus Torvalds 17621da177e4SLinus Torvalds If you don't know what to do here, say N. 17631da177e4SLinus Torvalds 176487353d8aSRalf Baechleconfig SMP_UP 176587353d8aSRalf Baechle bool 176687353d8aSRalf Baechle 1767e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1768e73ea273SRalf Baechle bool 1769e73ea273SRalf Baechle 177072ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 177172ede9b1SAtsushi Nemoto bool 177272ede9b1SAtsushi Nemoto 1773130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1774130e2fb7SRalf Baechle bool 1775130e2fb7SRalf Baechle 1776130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1777130e2fb7SRalf Baechle bool 1778130e2fb7SRalf Baechle 1779130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1780130e2fb7SRalf Baechle bool 1781130e2fb7SRalf Baechle 1782130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1783130e2fb7SRalf Baechle bool 1784130e2fb7SRalf Baechle 1785130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1786130e2fb7SRalf Baechle bool 1787130e2fb7SRalf Baechle 1788130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1789130e2fb7SRalf Baechle bool 1790130e2fb7SRalf Baechle 17911da177e4SLinus Torvaldsconfig NR_CPUS 17921da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 179372ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17941da177e4SLinus Torvalds depends on SMP 179572ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1796130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1797130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1798130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1799130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1800130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1801130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18021da177e4SLinus Torvalds help 18031da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18041da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18051da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 180672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 180772ede9b1SAtsushi Nemoto and 2 for all others. 18081da177e4SLinus Torvalds 18091da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 181072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 181172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 181272ede9b1SAtsushi Nemoto power of two. 18131da177e4SLinus Torvalds 1814c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1815c4eee283SAtsushi Nemoto 18161723b4a3SAtsushi Nemoto# 18171723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18181723b4a3SAtsushi Nemoto# 18191723b4a3SAtsushi Nemoto 18201723b4a3SAtsushi Nemotochoice 18211723b4a3SAtsushi Nemoto prompt "Timer frequency" 18221723b4a3SAtsushi Nemoto default HZ_250 18231723b4a3SAtsushi Nemoto help 18241723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18251723b4a3SAtsushi Nemoto 18261723b4a3SAtsushi Nemoto config HZ_48 18271723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18281723b4a3SAtsushi Nemoto 18291723b4a3SAtsushi Nemoto config HZ_100 18301723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18311723b4a3SAtsushi Nemoto 18321723b4a3SAtsushi Nemoto config HZ_128 18331723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18341723b4a3SAtsushi Nemoto 18351723b4a3SAtsushi Nemoto config HZ_250 18361723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18371723b4a3SAtsushi Nemoto 18381723b4a3SAtsushi Nemoto config HZ_256 18391723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18401723b4a3SAtsushi Nemoto 18411723b4a3SAtsushi Nemoto config HZ_1000 18421723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18431723b4a3SAtsushi Nemoto 18441723b4a3SAtsushi Nemoto config HZ_1024 18451723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18461723b4a3SAtsushi Nemoto 18471723b4a3SAtsushi Nemotoendchoice 18481723b4a3SAtsushi Nemoto 18491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18501723b4a3SAtsushi Nemoto bool 18511723b4a3SAtsushi Nemoto 18521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18531723b4a3SAtsushi Nemoto bool 18541723b4a3SAtsushi Nemoto 18551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18561723b4a3SAtsushi Nemoto bool 18571723b4a3SAtsushi Nemoto 18581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18591723b4a3SAtsushi Nemoto bool 18601723b4a3SAtsushi Nemoto 18611723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18621723b4a3SAtsushi Nemoto bool 18631723b4a3SAtsushi Nemoto 18641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18651723b4a3SAtsushi Nemoto bool 18661723b4a3SAtsushi Nemoto 18671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18681723b4a3SAtsushi Nemoto bool 18691723b4a3SAtsushi Nemoto 18701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18711723b4a3SAtsushi Nemoto bool 18721723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18731723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18741723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18751723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18761723b4a3SAtsushi Nemoto 18771723b4a3SAtsushi Nemotoconfig HZ 18781723b4a3SAtsushi Nemoto int 18791723b4a3SAtsushi Nemoto default 48 if HZ_48 18801723b4a3SAtsushi Nemoto default 100 if HZ_100 18811723b4a3SAtsushi Nemoto default 128 if HZ_128 18821723b4a3SAtsushi Nemoto default 250 if HZ_250 18831723b4a3SAtsushi Nemoto default 256 if HZ_256 18841723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18851723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18861723b4a3SAtsushi Nemoto 1887e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18901da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1891875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18921da177e4SLinus Torvalds help 18931da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18941da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18951da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18961da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18971da177e4SLinus Torvalds recommended for normal users. 18981da177e4SLinus Torvalds 1899ea6e942bSAtsushi Nemotoconfig KEXEC 1900ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1901ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1902ea6e942bSAtsushi Nemoto help 1903ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1904ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19053dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1906ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1907ea6e942bSAtsushi Nemoto 190801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1909ea6e942bSAtsushi Nemoto 1910ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1911ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1912ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1913ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1914ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1915ea6e942bSAtsushi Nemoto 1916ea6e942bSAtsushi Nemotoconfig SECCOMP 1917ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1918293c5bd1SRalf Baechle depends on PROC_FS 1919ea6e942bSAtsushi Nemoto default y 1920ea6e942bSAtsushi Nemoto help 1921ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1922ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1923ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1924ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1925ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1926ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1927ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1928ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1929ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1930ea6e942bSAtsushi Nemoto 1931ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1932ea6e942bSAtsushi Nemoto 19335e83d430SRalf Baechleendmenu 19345e83d430SRalf Baechle 19351da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19361da177e4SLinus Torvalds bool 19371da177e4SLinus Torvalds default y 19381da177e4SLinus Torvalds 19391df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19401df0f0ffSAtsushi Nemoto bool 19411df0f0ffSAtsushi Nemoto default y 19421df0f0ffSAtsushi Nemoto 19431df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19441df0f0ffSAtsushi Nemoto bool 19451df0f0ffSAtsushi Nemoto default y 19461df0f0ffSAtsushi Nemoto 1947b6c3539bSRalf Baechlesource "init/Kconfig" 1948b6c3539bSRalf Baechle 19491da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19501da177e4SLinus Torvalds 19515e83d430SRalf Baechleconfig HW_HAS_EISA 19525e83d430SRalf Baechle bool 19531da177e4SLinus Torvaldsconfig HW_HAS_PCI 19541da177e4SLinus Torvalds bool 19551da177e4SLinus Torvalds 19561da177e4SLinus Torvaldsconfig PCI 19571da177e4SLinus Torvalds bool "Support for PCI controller" 19581da177e4SLinus Torvalds depends on HW_HAS_PCI 1959abb4ae46SRalf Baechle select PCI_DOMAINS 19601da177e4SLinus Torvalds help 19611da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19621da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19631da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19641da177e4SLinus Torvalds say Y, otherwise N. 19651da177e4SLinus Torvalds 19661da177e4SLinus Torvaldsconfig PCI_DOMAINS 19671da177e4SLinus Torvalds bool 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19701da177e4SLinus Torvalds 19711da177e4SLinus Torvalds# 19721da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19731da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19741da177e4SLinus Torvalds# users to choose the right thing ... 19751da177e4SLinus Torvalds# 19761da177e4SLinus Torvaldsconfig ISA 19771da177e4SLinus Torvalds bool 19781da177e4SLinus Torvalds 19791da177e4SLinus Torvaldsconfig EISA 19801da177e4SLinus Torvalds bool "EISA support" 19815e83d430SRalf Baechle depends on HW_HAS_EISA 19821da177e4SLinus Torvalds select ISA 1983aa414dffSRalf Baechle select GENERIC_ISA_DMA 19841da177e4SLinus Torvalds ---help--- 19851da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19861da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19871da177e4SLinus Torvalds 19881da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19891da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19901da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19911da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19921da177e4SLinus Torvalds 19931da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvalds Otherwise, say N. 19961da177e4SLinus Torvalds 19971da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvaldsconfig TC 20001da177e4SLinus Torvalds bool "TURBOchannel support" 20011da177e4SLinus Torvalds depends on MACH_DECSTATION 20021da177e4SLinus Torvalds help 20031da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20041da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20051da177e4SLinus Torvalds is available at: 20061da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvalds#config ACCESSBUS 20091da177e4SLinus Torvalds# bool "Access.Bus support" 20101da177e4SLinus Torvalds# depends on TC 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvaldsconfig MMU 20131da177e4SLinus Torvalds bool 20141da177e4SLinus Torvalds default y 20151da177e4SLinus Torvalds 2016d865bea4SRalf Baechleconfig I8253 2017d865bea4SRalf Baechle bool 2018d865bea4SRalf Baechle 2019cce335aeSRalf Baechleconfig ZONE_DMA32 2020cce335aeSRalf Baechle bool 2021cce335aeSRalf Baechle 20221da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldsendmenu 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvaldsmenu "Executable file formats" 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20331da177e4SLinus Torvalds bool 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvaldsconfig BINFMT_IRIX 20361da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20375e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20381da177e4SLinus Torvalds 20391da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20401da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2041875d43e7SRalf Baechle depends on 64BIT 20421da177e4SLinus Torvalds help 20431da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20441da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20451da177e4SLinus Torvalds currently 32-bit you should say Y here. 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvaldsconfig COMPAT 20481da177e4SLinus Torvalds bool 20491da177e4SLinus Torvalds depends on MIPS32_COMPAT 20501da177e4SLinus Torvalds default y 20511da177e4SLinus Torvalds 205205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 205305e43966SAtsushi Nemoto bool 205405e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 205505e43966SAtsushi Nemoto default y 205605e43966SAtsushi Nemoto 20571da177e4SLinus Torvaldsconfig MIPS32_O32 20581da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20591da177e4SLinus Torvalds depends on MIPS32_COMPAT 20601da177e4SLinus Torvalds help 20611da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20621da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20631da177e4SLinus Torvalds existing binaries are in this format. 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvalds If unsure, say Y. 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvaldsconfig MIPS32_N32 20681da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20691da177e4SLinus Torvalds depends on MIPS32_COMPAT 20701da177e4SLinus Torvalds help 20711da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20721da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20731da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20741da177e4SLinus Torvalds cases. 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvalds If unsure, say N. 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvaldsconfig BINFMT_ELF32 20791da177e4SLinus Torvalds bool 20801da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20811da177e4SLinus Torvalds 20822116245eSRalf Baechleendmenu 20831da177e4SLinus Torvalds 20842116245eSRalf Baechlemenu "Power management options" 2085952fa954SRodolfo Giometti 2086f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2087f4cb5700SJohannes Berg def_bool y 2088f4cb5700SJohannes Berg depends on !SMP 2089f4cb5700SJohannes Berg 20902116245eSRalf Baechlesource "kernel/power/Kconfig" 2091952fa954SRodolfo Giometti 20921da177e4SLinus Torvaldsendmenu 20931da177e4SLinus Torvalds 2094d5950b43SSam Ravnborgsource "net/Kconfig" 2095d5950b43SSam Ravnborg 20961da177e4SLinus Torvaldssource "drivers/Kconfig" 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvaldssource "fs/Kconfig" 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvaldssource "security/Kconfig" 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvaldssource "crypto/Kconfig" 21051da177e4SLinus Torvalds 21061da177e4SLinus Torvaldssource "lib/Kconfig" 2107