11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4*42d4b839SMathieu Desnoyers select HAVE_OPROFILE 51da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 61da177e4SLinus Torvalds select EMBEDDED 790b02340SRalf Baechle select RTC_LIB 81da177e4SLinus Torvalds 91da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmenu "Machine selection" 121da177e4SLinus Torvalds 135ac6da66SChristoph Lameterconfig ZONE_DMA 145ac6da66SChristoph Lameter bool 155ac6da66SChristoph Lameter 165e83d430SRalf Baechlechoice 175e83d430SRalf Baechle prompt "System type" 185e83d430SRalf Baechle default SGI_IP22 191da177e4SLinus Torvalds 20c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 21c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 221da177e4SLinus Torvalds 2335189fadSRalf Baechleconfig BASLER_EXCITE 24be91589eSThomas Koeller bool "Basler eXcite smart camera" 2542f77542SRalf Baechle select CEVT_R4K 26940f6b48SRalf Baechle select CSRC_R4K 2735189fadSRalf Baechle select DMA_COHERENT 2835189fadSRalf Baechle select HW_HAS_PCI 2935189fadSRalf Baechle select IRQ_CPU 3035189fadSRalf Baechle select IRQ_CPU_RM7K 3135189fadSRalf Baechle select IRQ_CPU_RM9K 32663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3335189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3435189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3535189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 36cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3735189fadSRalf Baechle help 3835189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 39be91589eSThomas Koeller Basler Vision Technologies AG. 4035189fadSRalf Baechle 411c0c13ebSAurelien Jarnoconfig BCM47XX 421c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4342f77542SRalf Baechle select CEVT_R4K 44940f6b48SRalf Baechle select CSRC_R4K 451c0c13ebSAurelien Jarno select DMA_NONCOHERENT 461c0c13ebSAurelien Jarno select HW_HAS_PCI 471c0c13ebSAurelien Jarno select IRQ_CPU 481c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 491c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 501c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 511c0c13ebSAurelien Jarno select SSB 521c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 532f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 542f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 551c0c13ebSAurelien Jarno select GENERIC_GPIO 5625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5725e5fb97SAurelien Jarno select CFE 581c0c13ebSAurelien Jarno help 591c0c13ebSAurelien Jarno Support for BCM47XX based boards 601c0c13ebSAurelien Jarno 611da177e4SLinus Torvaldsconfig MIPS_COBALT 623fa986faSMartin Michlmayr bool "Cobalt Server" 6342f77542SRalf Baechle select CEVT_R4K 64940f6b48SRalf Baechle select CSRC_R4K 651097c6acSYoichi Yuasa select CEVT_GT641XX 661da177e4SLinus Torvalds select DMA_NONCOHERENT 671da177e4SLinus Torvalds select HW_HAS_PCI 68d865bea4SRalf Baechle select I8253 691da177e4SLinus Torvalds select I8259 701da177e4SLinus Torvalds select IRQ_CPU 71d5ab1a69SYoichi Yuasa select IRQ_GT641XX 72252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 737cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 740a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 75ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 760e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 789fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 791da177e4SLinus Torvalds 801da177e4SLinus Torvaldsconfig MACH_DECSTATION 813fa986faSMartin Michlmayr bool "DECstations" 821da177e4SLinus Torvalds select BOOT_ELF32 8342f77542SRalf Baechle select CEVT_R4K 84940f6b48SRalf Baechle select CSRC_R4K 8520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 8620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 8720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 881da177e4SLinus Torvalds select DMA_NONCOHERENT 89d388d685SMaciej W. Rozycki select NO_IOPORT 901da177e4SLinus Torvalds select IRQ_CPU 917cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 927cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 93ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 94ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 981723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 995e83d430SRalf Baechle help 1001da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1011da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1021da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1051da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds DECstation 5000/50 1081da177e4SLinus Torvalds DECstation 5000/150 1091da177e4SLinus Torvalds DECstation 5000/260 1101da177e4SLinus Torvalds DECsystem 5900/260 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds otherwise choose R3000. 1131da177e4SLinus Torvalds 1145e83d430SRalf Baechleconfig MACH_JAZZ 1153fa986faSMartin Michlmayr bool "Jazz family of machines" 1165e83d430SRalf Baechle select ARC 1175e83d430SRalf Baechle select ARC32 1185e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 11942f77542SRalf Baechle select CEVT_R4K 120940f6b48SRalf Baechle select CSRC_R4K 121e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1225e83d430SRalf Baechle select GENERIC_ISA_DMA 123ea202c63SThomas Bogendoerfer select IRQ_CPU 124d865bea4SRalf Baechle select I8253 1255e83d430SRalf Baechle select I8259 1265e83d430SRalf Baechle select ISA 1277cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1285e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1295e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1301723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1319fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1321da177e4SLinus Torvalds help 1335e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1345e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1355e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1365e83d430SRalf Baechle Olivetti M700-10 workstations. 1375e83d430SRalf Baechle 1381f21d2bdSBrian Murphyconfig LASAT 1391f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14042f77542SRalf Baechle select CEVT_R4K 141940f6b48SRalf Baechle select CSRC_R4K 1421f21d2bdSBrian Murphy select DMA_NONCOHERENT 1431f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1441f21d2bdSBrian Murphy select HW_HAS_PCI 145a5ccfe5cSRalf Baechle select IRQ_CPU 1461f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1471f21d2bdSBrian Murphy select MIPS_NILE4 1481f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1491f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1501f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1511f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1521f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1531f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1541f21d2bdSBrian Murphy 155ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 156ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 157ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15842f77542SRalf Baechle select CEVT_R4K 159940f6b48SRalf Baechle select CSRC_R4K 160ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 161ade299d8SYoichi Yuasa select DMA_NONCOHERENT 162ade299d8SYoichi Yuasa select BOOT_ELF32 163ade299d8SYoichi Yuasa select BOARD_SCACHE 164ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 165ade299d8SYoichi Yuasa select HW_HAS_PCI 166ade299d8SYoichi Yuasa select I8259 167ade299d8SYoichi Yuasa select ISA 168ade299d8SYoichi Yuasa select IRQ_CPU 169ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 170ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 173ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 174ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17523dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 176ade299d8SYoichi Yuasa select CPU_HAS_WB 177ade299d8SYoichi Yuasa help 178ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 179ade299d8SYoichi Yuasa an FPGA northbridge 180ade299d8SYoichi Yuasa 1811da177e4SLinus Torvaldsconfig MIPS_ATLAS 1823fa986faSMartin Michlmayr bool "MIPS Atlas board" 1831da177e4SLinus Torvalds select BOOT_ELF32 184fa71c960SRalf Baechle select BOOT_RAW 18542f77542SRalf Baechle select CEVT_R4K 186940f6b48SRalf Baechle select CSRC_R4K 1871da177e4SLinus Torvalds select DMA_NONCOHERENT 18836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1895e83d430SRalf Baechle select IRQ_CPU 1901da177e4SLinus Torvalds select HW_HAS_PCI 1915e83d430SRalf Baechle select MIPS_BOARDS_GEN 1925e83d430SRalf Baechle select MIPS_BONITO64 193252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1945e83d430SRalf Baechle select MIPS_MSC 195f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1961da177e4SLinus Torvalds select SWAP_IO_SPACE 1977cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1987cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1997cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2007cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2017cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 202ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 203ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2045e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2055e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 206f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2079693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 208e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2091da177e4SLinus Torvalds help 210f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2111da177e4SLinus Torvalds board. 2121da177e4SLinus Torvalds 2131da177e4SLinus Torvaldsconfig MIPS_MALTA 2143fa986faSMartin Michlmayr bool "MIPS Malta board" 21561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2161da177e4SLinus Torvalds select BOOT_ELF32 217fa71c960SRalf Baechle select BOOT_RAW 21842f77542SRalf Baechle select CEVT_R4K 219940f6b48SRalf Baechle select CSRC_R4K 2201da177e4SLinus Torvalds select DMA_NONCOHERENT 2211da177e4SLinus Torvalds select GENERIC_ISA_DMA 222aa414dffSRalf Baechle select IRQ_CPU 2231da177e4SLinus Torvalds select HW_HAS_PCI 224d865bea4SRalf Baechle select I8253 2251da177e4SLinus Torvalds select I8259 2265e83d430SRalf Baechle select MIPS_BOARDS_GEN 2275e83d430SRalf Baechle select MIPS_BONITO64 2289318c51aSChris Dearman select MIPS_CPU_SCACHE 229252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2305e83d430SRalf Baechle select MIPS_MSC 2311da177e4SLinus Torvalds select SWAP_IO_SPACE 2327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2357cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2367cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 23736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 238ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 239ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 242f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2439693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2441da177e4SLinus Torvalds help 245f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2461da177e4SLinus Torvalds board. 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvaldsconfig MIPS_SEAD 249d98cc84dSRalf Baechle bool "MIPS SEAD board" 25042f77542SRalf Baechle select CEVT_R4K 251940f6b48SRalf Baechle select CSRC_R4K 2521da177e4SLinus Torvalds select IRQ_CPU 2531da177e4SLinus Torvalds select DMA_NONCOHERENT 25436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2555e83d430SRalf Baechle select MIPS_BOARDS_GEN 2567cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 259ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2605e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2615e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2625e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2639693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 264f638d197SMaciej W. Rozycki help 265f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 266f638d197SMaciej W. Rozycki board. 2671da177e4SLinus Torvalds 268c78cbf49SRalf Baechleconfig MIPS_SIM 2693fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 27042f77542SRalf Baechle select CEVT_R4K 271940f6b48SRalf Baechle select CSRC_R4K 272c78cbf49SRalf Baechle select DMA_NONCOHERENT 27336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 274c78cbf49SRalf Baechle select IRQ_CPU 2759267a30dSMarc St-Jean select BOOT_RAW 2767cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 27836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 279c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 280c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 281f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 282c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 283c78cbf49SRalf Baechle help 284c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 285c78cbf49SRalf Baechle emulator. 286c78cbf49SRalf Baechle 287ade299d8SYoichi Yuasaconfig MARKEINS 288ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 28942f77542SRalf Baechle select CEVT_R4K 290940f6b48SRalf Baechle select CSRC_R4K 291ade299d8SYoichi Yuasa select DMA_NONCOHERENT 292ade299d8SYoichi Yuasa select HW_HAS_PCI 293ade299d8SYoichi Yuasa select IRQ_CPU 294ade299d8SYoichi Yuasa select SWAP_IO_SPACE 295ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 296ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 297ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 298ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 299ade299d8SYoichi Yuasa help 300ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 301ade299d8SYoichi Yuasa boards with R5500 CPU. 302ade299d8SYoichi Yuasa 3035e83d430SRalf Baechleconfig MACH_VR41XX 30474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 30542f77542SRalf Baechle select CEVT_R4K 306940f6b48SRalf Baechle select CSRC_R4K 3077cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3089fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3095e83d430SRalf Baechle 310ade299d8SYoichi Yuasaconfig PNX8550_JBS 311ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 312ade299d8SYoichi Yuasa select PNX8550 313ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 314ade299d8SYoichi Yuasa 315ade299d8SYoichi Yuasaconfig PNX8550_STB810 316ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 317ade299d8SYoichi Yuasa select PNX8550 318ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 319ade299d8SYoichi Yuasa 3209267a30dSMarc St-Jeanconfig PMC_MSP 3219267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3229267a30dSMarc St-Jean depends on EXPERIMENTAL 3239267a30dSMarc St-Jean select DMA_NONCOHERENT 3249267a30dSMarc St-Jean select SWAP_IO_SPACE 3259267a30dSMarc St-Jean select NO_EXCEPT_FILL 3269267a30dSMarc St-Jean select BOOT_RAW 3279267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3289267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3299267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3309267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3319267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3329267a30dSMarc St-Jean select IRQ_CPU 3339267a30dSMarc St-Jean select SERIAL_8250 3349267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3359267a30dSMarc St-Jean help 3369267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3379267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3389267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3399267a30dSMarc St-Jean a variety of MIPS cores. 3409267a30dSMarc St-Jean 3415e83d430SRalf Baechleconfig PMC_YOSEMITE 3423fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 34342f77542SRalf Baechle select CEVT_R4K 344940f6b48SRalf Baechle select CSRC_R4K 3455e83d430SRalf Baechle select DMA_COHERENT 3465e83d430SRalf Baechle select HW_HAS_PCI 3475e83d430SRalf Baechle select IRQ_CPU 3485e83d430SRalf Baechle select IRQ_CPU_RM7K 3495e83d430SRalf Baechle select IRQ_CPU_RM9K 3505e83d430SRalf Baechle select SWAP_IO_SPACE 3517cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 35236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3535e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3545e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3555e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3565e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 357cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 358e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3595e83d430SRalf Baechle help 3605e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3615e83d430SRalf Baechle manufactured by PMC-Sierra. 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvaldsconfig SGI_IP22 3643fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3651da177e4SLinus Torvalds select ARC 3661da177e4SLinus Torvalds select ARC32 3671da177e4SLinus Torvalds select BOOT_ELF32 36842f77542SRalf Baechle select CEVT_R4K 369940f6b48SRalf Baechle select CSRC_R4K 370e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3711da177e4SLinus Torvalds select DMA_NONCOHERENT 3725e83d430SRalf Baechle select HW_HAS_EISA 373d865bea4SRalf Baechle select I8253 37468de4803SThomas Bogendoerfer select I8259 3751da177e4SLinus Torvalds select IP22_CPU_SCACHE 3761da177e4SLinus Torvalds select IRQ_CPU 377aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 378e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 379e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 380e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 381e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 382e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 383e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3841da177e4SLinus Torvalds select SWAP_IO_SPACE 3857cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3867cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 38736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 388ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 389ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3905e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3911da177e4SLinus Torvalds help 3921da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3931da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3941da177e4SLinus Torvalds that runs on these, say Y here. 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvaldsconfig SGI_IP27 3973fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3981da177e4SLinus Torvalds select ARC 3991da177e4SLinus Torvalds select ARC64 4005e83d430SRalf Baechle select BOOT_ELF64 401e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4021da177e4SLinus Torvalds select DMA_IP27 40336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4041da177e4SLinus Torvalds select HW_HAS_PCI 405130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4067cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 407ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 409cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 410d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4111a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 412e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4131da177e4SLinus Torvalds help 4141da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4151da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4161da177e4SLinus Torvalds here. 4171da177e4SLinus Torvalds 418e2defae5SThomas Bogendoerferconfig SGI_IP28 419e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 420e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 421e2defae5SThomas Bogendoerfer select ARC 422e2defae5SThomas Bogendoerfer select ARC64 423e2defae5SThomas Bogendoerfer select BOOT_ELF64 424e2defae5SThomas Bogendoerfer select CEVT_R4K 425e2defae5SThomas Bogendoerfer select CSRC_R4K 426e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 427e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 428e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 429e2defae5SThomas Bogendoerfer select IRQ_CPU 430e2defae5SThomas Bogendoerfer select HW_HAS_EISA 431e2defae5SThomas Bogendoerfer select I8253 432e2defae5SThomas Bogendoerfer select I8259 433e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 434e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 435e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 436e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 437e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 438e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 439e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 440e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 441e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 442e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 443e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 444e2defae5SThomas Bogendoerfer help 445e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 446e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 447e2defae5SThomas Bogendoerfer 4481da177e4SLinus Torvaldsconfig SGI_IP32 449cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4501da177e4SLinus Torvalds select ARC 4511da177e4SLinus Torvalds select ARC32 4521da177e4SLinus Torvalds select BOOT_ELF32 45342f77542SRalf Baechle select CEVT_R4K 454940f6b48SRalf Baechle select CSRC_R4K 4551da177e4SLinus Torvalds select DMA_NONCOHERENT 4561da177e4SLinus Torvalds select HW_HAS_PCI 457dd67b155SRalf Baechle select IRQ_CPU 4581da177e4SLinus Torvalds select R5000_CPU_SCACHE 4591da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4607cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4617cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4627cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 463dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 464ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4661da177e4SLinus Torvalds help 4671da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4681da177e4SLinus Torvalds 469ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 470ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4715e83d430SRalf Baechle depends on EXPERIMENTAL 4725e83d430SRalf Baechle select BOOT_ELF32 4735e83d430SRalf Baechle select DMA_COHERENT 4745e83d430SRalf Baechle select SIBYTE_BCM1120 4755e83d430SRalf Baechle select SWAP_IO_SPACE 4767cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4775e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4785e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4795e83d430SRalf Baechle 480ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 481ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4825e83d430SRalf Baechle depends on EXPERIMENTAL 4835e83d430SRalf Baechle select BOOT_ELF32 4845e83d430SRalf Baechle select DMA_COHERENT 4855e83d430SRalf Baechle select SIBYTE_BCM1120 4865e83d430SRalf Baechle select SWAP_IO_SPACE 4877cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4885e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4895e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4905e83d430SRalf Baechle 4915e83d430SRalf Baechleconfig SIBYTE_CRHONE 4923fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4935e83d430SRalf Baechle depends on EXPERIMENTAL 4945e83d430SRalf Baechle select BOOT_ELF32 4955e83d430SRalf Baechle select DMA_COHERENT 4965e83d430SRalf Baechle select SIBYTE_BCM1125 4975e83d430SRalf Baechle select SWAP_IO_SPACE 4987cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5005e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5015e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5025e83d430SRalf Baechle 503ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 504ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 505ade299d8SYoichi Yuasa depends on EXPERIMENTAL 506ade299d8SYoichi Yuasa select BOOT_ELF32 507ade299d8SYoichi Yuasa select DMA_COHERENT 508ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 509ade299d8SYoichi Yuasa select SWAP_IO_SPACE 510ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 513ade299d8SYoichi Yuasa 514ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 515ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 516ade299d8SYoichi Yuasa select BOOT_ELF32 517ade299d8SYoichi Yuasa select DMA_COHERENT 518ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 519ade299d8SYoichi Yuasa select SIBYTE_SB1250 520ade299d8SYoichi Yuasa select SWAP_IO_SPACE 521ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 522ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 523ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 524ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 525ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 526cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 527ade299d8SYoichi Yuasa 528ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 529ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 530ade299d8SYoichi Yuasa depends on EXPERIMENTAL 531ade299d8SYoichi Yuasa select BOOT_ELF32 532ade299d8SYoichi Yuasa select DMA_COHERENT 533ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 534ade299d8SYoichi Yuasa select SIBYTE_SB1250 535ade299d8SYoichi Yuasa select SWAP_IO_SPACE 536ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 537ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 538ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 539ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 540ade299d8SYoichi Yuasa 541ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 542ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 543ade299d8SYoichi Yuasa depends on EXPERIMENTAL 544ade299d8SYoichi Yuasa select BOOT_ELF32 545ade299d8SYoichi Yuasa select DMA_COHERENT 546ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 547ade299d8SYoichi Yuasa select SIBYTE_SB1250 548ade299d8SYoichi Yuasa select SWAP_IO_SPACE 549ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 550ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 551ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 552ade299d8SYoichi Yuasa 553ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 554ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 555ade299d8SYoichi Yuasa select BOOT_ELF32 556ade299d8SYoichi Yuasa select DMA_COHERENT 557ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 558ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 559ade299d8SYoichi Yuasa select SWAP_IO_SPACE 560ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 561ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 562651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 563ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 564cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 565ade299d8SYoichi Yuasa 56614b36af4SThomas Bogendoerferconfig SNI_RM 56714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5684a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5694a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 570231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5715e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5725e83d430SRalf Baechle select BOOT_ELF32 57342f77542SRalf Baechle select CEVT_R4K 574940f6b48SRalf Baechle select CSRC_R4K 575e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5765e83d430SRalf Baechle select DMA_NONCOHERENT 5775e83d430SRalf Baechle select GENERIC_ISA_DMA 5785e83d430SRalf Baechle select HW_HAS_EISA 5795e83d430SRalf Baechle select HW_HAS_PCI 580c066a32aSThomas Bogendoerfer select IRQ_CPU 581d865bea4SRalf Baechle select I8253 5825e83d430SRalf Baechle select I8259 5835e83d430SRalf Baechle select ISA 5844a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5857cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5864a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 587c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5884a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 58936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 590ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5915e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5924a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5935e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5945e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5951da177e4SLinus Torvalds help 59614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 59714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5985e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5995e83d430SRalf Baechle support this machine type. 6001da177e4SLinus Torvalds 6015e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6023fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 603229f773eSAtsushi Nemoto select CEVT_TXX9 6045e83d430SRalf Baechle select DMA_NONCOHERENT 6055e83d430SRalf Baechle select HW_HAS_PCI 6065e83d430SRalf Baechle select MIPS_TX3927 607c87abd75SAtsushi Nemoto select IRQ_TXX9 6085e83d430SRalf Baechle select SWAP_IO_SPACE 6097cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6105e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6116a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6132127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6145e83d430SRalf Baechle 6155e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 61608a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 61742f77542SRalf Baechle select CEVT_R4K 618940f6b48SRalf Baechle select CSRC_R4K 619229f773eSAtsushi Nemoto select CEVT_TXX9 6205e83d430SRalf Baechle select DMA_NONCOHERENT 6215e83d430SRalf Baechle select HAS_TXX9_SERIAL 6225e83d430SRalf Baechle select HW_HAS_PCI 623c87abd75SAtsushi Nemoto select IRQ_CPU 624c87abd75SAtsushi Nemoto select IRQ_TXX9 625c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6265e83d430SRalf Baechle select SWAP_IO_SPACE 6277cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6285e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6295e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6306a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 632cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6339fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6345e83d430SRalf Baechle help 6355e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6365e83d430SRalf Baechle support this machine type 6371da177e4SLinus Torvalds 63823fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6393fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 64042f77542SRalf Baechle select CEVT_R4K 641940f6b48SRalf Baechle select CSRC_R4K 642229f773eSAtsushi Nemoto select CEVT_TXX9 64323fbee9dSRalf Baechle select DMA_NONCOHERENT 64423fbee9dSRalf Baechle select HAS_TXX9_SERIAL 64523fbee9dSRalf Baechle select HW_HAS_PCI 646c87abd75SAtsushi Nemoto select IRQ_CPU 647c87abd75SAtsushi Nemoto select IRQ_TXX9 64823fbee9dSRalf Baechle select SWAP_IO_SPACE 6497cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 65023fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 65123fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 65223fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 653cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6549fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6553896b054SAtsushi Nemoto select GENERIC_GPIO 65623fbee9dSRalf Baechle help 65723fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 65823fbee9dSRalf Baechle support this machine type 65923fbee9dSRalf Baechle 660ade299d8SYoichi Yuasaconfig WR_PPMC 661ade299d8SYoichi Yuasa bool "Wind River PPMC board" 66242f77542SRalf Baechle select CEVT_R4K 663940f6b48SRalf Baechle select CSRC_R4K 664ade299d8SYoichi Yuasa select IRQ_CPU 665ade299d8SYoichi Yuasa select BOOT_ELF32 666ade299d8SYoichi Yuasa select DMA_NONCOHERENT 667ade299d8SYoichi Yuasa select HW_HAS_PCI 668ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 669ade299d8SYoichi Yuasa select SWAP_IO_SPACE 670ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 671ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 672ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 673ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 674ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 675ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 676ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 677ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 678ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 679ade299d8SYoichi Yuasa help 680ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 681ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 682ade299d8SYoichi Yuasa 6831da177e4SLinus Torvaldsendchoice 6841da177e4SLinus Torvalds 685c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6869c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6875e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6881f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6895e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 69029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 69138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6925e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 69323fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6945e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 69538b18f72SRalf Baechle 6965e83d430SRalf Baechleendmenu 6975e83d430SRalf Baechle 69895c354feSNick Pigginconfig GENERIC_LOCKBREAK 69995c354feSNick Piggin bool 70095c354feSNick Piggin default y 70195c354feSNick Piggin depends on SMP && PREEMPT 70295c354feSNick Piggin 7031da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7041da177e4SLinus Torvalds bool 7051da177e4SLinus Torvalds default y 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7081da177e4SLinus Torvalds bool 7091da177e4SLinus Torvalds 710f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 711f0d1b0b3SDavid Howells bool 712f0d1b0b3SDavid Howells default n 713f0d1b0b3SDavid Howells 714f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 715f0d1b0b3SDavid Howells bool 716f0d1b0b3SDavid Howells default n 717f0d1b0b3SDavid Howells 71800a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 71900a58253SRalf Baechle bool 72000a58253SRalf Baechle default y if !MIPS_MT_SMTC 72100a58253SRalf Baechle 7223c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7233c9ee7efSAkinobu Mita bool 7243c9ee7efSAkinobu Mita default y 7253c9ee7efSAkinobu Mita 7263c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7273c9ee7efSAkinobu Mita bool 7283c9ee7efSAkinobu Mita default y 7293c9ee7efSAkinobu Mita 7301da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7311da177e4SLinus Torvalds bool 7321da177e4SLinus Torvalds default y 7331da177e4SLinus Torvalds 7347bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7357bcf7717SRalf Baechle bool 7367bcf7717SRalf Baechle default y 7377bcf7717SRalf Baechle 7388db02010SRalf Baechleconfig GENERIC_TIME 7398db02010SRalf Baechle bool 7408db02010SRalf Baechle default y 7418db02010SRalf Baechle 742f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 743f5ff0a28SRalf Baechle bool 744f5ff0a28SRalf Baechle default y 745f5ff0a28SRalf Baechle 7461cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7471cc89038SAtsushi Nemoto bool 7481cc89038SAtsushi Nemoto default y 7491cc89038SAtsushi Nemoto 750e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 751e77c232cSFranck Bui-Huu bool 752e77c232cSFranck Bui-Huu default n 753e77c232cSFranck Bui-Huu 7541da177e4SLinus Torvalds# 7551da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7561da177e4SLinus Torvalds# 7571da177e4SLinus Torvaldsconfig ARC 7581da177e4SLinus Torvalds bool 7591da177e4SLinus Torvalds 76061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 76161ed242dSRalf Baechle bool 76261ed242dSRalf Baechle 7639267a30dSMarc St-Jeanconfig BOOT_RAW 7649267a30dSMarc St-Jean bool 7659267a30dSMarc St-Jean 766217dd11eSRalf Baechleconfig CEVT_BCM1480 767217dd11eSRalf Baechle bool 768217dd11eSRalf Baechle 7691097c6acSYoichi Yuasaconfig CEVT_GT641XX 7701097c6acSYoichi Yuasa bool 7711097c6acSYoichi Yuasa 77242f77542SRalf Baechleconfig CEVT_R4K 77342f77542SRalf Baechle bool 77442f77542SRalf Baechle 775217dd11eSRalf Baechleconfig CEVT_SB1250 776217dd11eSRalf Baechle bool 777217dd11eSRalf Baechle 778229f773eSAtsushi Nemotoconfig CEVT_TXX9 779229f773eSAtsushi Nemoto bool 780229f773eSAtsushi Nemoto 781217dd11eSRalf Baechleconfig CSRC_BCM1480 782217dd11eSRalf Baechle bool 783217dd11eSRalf Baechle 784940f6b48SRalf Baechleconfig CSRC_R4K 785940f6b48SRalf Baechle bool 786940f6b48SRalf Baechle 787217dd11eSRalf Baechleconfig CSRC_SB1250 788217dd11eSRalf Baechle bool 789217dd11eSRalf Baechle 790df78b5c8SAurelien Jarnoconfig CFE 791df78b5c8SAurelien Jarno bool 792df78b5c8SAurelien Jarno 7931da177e4SLinus Torvaldsconfig DMA_COHERENT 7941da177e4SLinus Torvalds bool 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvaldsconfig DMA_IP27 7971da177e4SLinus Torvalds bool 7981da177e4SLinus Torvalds 7991da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8001da177e4SLinus Torvalds bool 8014ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8024ce588cdSRalf Baechle 8034ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8044ce588cdSRalf Baechle bool 8051da177e4SLinus Torvalds 8061da177e4SLinus Torvaldsconfig EARLY_PRINTK 80736a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 80836a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 80936a88530SRalf Baechle default y 81036a88530SRalf Baechle help 81136a88530SRalf Baechle This option enables special console drivers which allow the kernel 81236a88530SRalf Baechle to print messages very early in the bootup process. 81336a88530SRalf Baechle 81436a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 815490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 816490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 817490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 81836a88530SRalf Baechle unless you want to debug such a crash. 81936a88530SRalf Baechle 82036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8211da177e4SLinus Torvalds bool 8221da177e4SLinus Torvalds 823dbb74540SRalf Baechleconfig HOTPLUG_CPU 824dbb74540SRalf Baechle bool 825dbb74540SRalf Baechle default n 826dbb74540SRalf Baechle 8271da177e4SLinus Torvaldsconfig I8259 8281da177e4SLinus Torvalds bool 8291da177e4SLinus Torvalds 8301da177e4SLinus Torvaldsconfig MIPS_BONITO64 8311da177e4SLinus Torvalds bool 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvaldsconfig MIPS_MSC 8341da177e4SLinus Torvalds bool 8351da177e4SLinus Torvalds 8361f21d2bdSBrian Murphyconfig MIPS_NILE4 8371f21d2bdSBrian Murphy bool 8381f21d2bdSBrian Murphy 8391da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8401da177e4SLinus Torvalds bool 8411da177e4SLinus Torvalds 842d388d685SMaciej W. Rozyckiconfig NO_IOPORT 843d388d685SMaciej W. Rozycki def_bool n 844d388d685SMaciej W. Rozycki 8458313da30SRalf Baechleconfig GENERIC_ISA_DMA 8468313da30SRalf Baechle bool 8478313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8488313da30SRalf Baechle 849aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 850aa414dffSRalf Baechle bool 8518313da30SRalf Baechle select GENERIC_ISA_DMA 852aa414dffSRalf Baechle 85309663335SYoichi Yuasaconfig GENERIC_GPIO 85409663335SYoichi Yuasa bool 85509663335SYoichi Yuasa 8565e83d430SRalf Baechle# 8573cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8585e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8595e83d430SRalf Baechle# choice statement should be more obvious to the user. 8605e83d430SRalf Baechle# 8615e83d430SRalf Baechlechoice 8625e83d430SRalf Baechle prompt "Endianess selection" 8631da177e4SLinus Torvalds help 8641da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8655e83d430SRalf Baechle byte order. These modes require different kernels and a different 8663cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8675e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8683dde6ad8SDavid Sterba one or the other endianness. 8695e83d430SRalf Baechle 8705e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8715e83d430SRalf Baechle bool "Big endian" 8725e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8735e83d430SRalf Baechle 8745e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8755e83d430SRalf Baechle bool "Little endian" 8765e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8775e83d430SRalf Baechle help 8785e83d430SRalf Baechle 8795e83d430SRalf Baechleendchoice 8805e83d430SRalf Baechle 8812116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8822116245eSRalf Baechle bool 8832116245eSRalf Baechle 8845e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8855e83d430SRalf Baechle bool 8865e83d430SRalf Baechle 8875e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8885e83d430SRalf Baechle bool 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvaldsconfig IRQ_CPU 8911da177e4SLinus Torvalds bool 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8941da177e4SLinus Torvalds bool 8951da177e4SLinus Torvalds 8965e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8975e83d430SRalf Baechle bool 8985e83d430SRalf Baechle 8999267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9009267a30dSMarc St-Jean bool 9019267a30dSMarc St-Jean 9029267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9039267a30dSMarc St-Jean bool 9049267a30dSMarc St-Jean 9058420fd00SAtsushi Nemotoconfig IRQ_TXX9 9068420fd00SAtsushi Nemoto bool 9078420fd00SAtsushi Nemoto 908d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 909d5ab1a69SYoichi Yuasa bool 910d5ab1a69SYoichi Yuasa 9111da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9121da177e4SLinus Torvalds bool 9131da177e4SLinus Torvalds 914252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9151da177e4SLinus Torvalds bool 9161da177e4SLinus Torvalds 9179267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9189267a30dSMarc St-Jean bool 9199267a30dSMarc St-Jean 9201da177e4SLinus Torvaldsconfig MIPS_TX3927 9211da177e4SLinus Torvalds bool 9221da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9231da177e4SLinus Torvalds 924663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 925663c3d90Sthomas@koeller.dyndns.org bool 926663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 927663c3d90Sthomas@koeller.dyndns.org 928bdf21b18SPete Popovconfig PNX8550 929bdf21b18SPete Popov bool 930bdf21b18SPete Popov select SOC_PNX8550 931bdf21b18SPete Popov 932bdf21b18SPete Popovconfig SOC_PNX8550 933bdf21b18SPete Popov bool 934bdf21b18SPete Popov select DMA_NONCOHERENT 935bdf21b18SPete Popov select HW_HAS_PCI 936b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9387cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 939e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 940cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9414ead1681SFlorian Fainelli select GENERIC_GPIO 942bdf21b18SPete Popov 9431da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9441da177e4SLinus Torvalds bool 9451da177e4SLinus Torvalds 946355c471fSdmitry pervushinconfig EMMA2RH 947355c471fSdmitry pervushin bool 948355c471fSdmitry pervushin depends on MARKEINS 949355c471fSdmitry pervushin default y 950355c471fSdmitry pervushin 951663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 952663c3d90Sthomas@koeller.dyndns.org bool 953663c3d90Sthomas@koeller.dyndns.org 954e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 955e2defae5SThomas Bogendoerfer bool 956e2defae5SThomas Bogendoerfer 957e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 958e2defae5SThomas Bogendoerfer bool 959e2defae5SThomas Bogendoerfer 960e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 961e2defae5SThomas Bogendoerfer bool 962e2defae5SThomas Bogendoerfer 963e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 964e2defae5SThomas Bogendoerfer bool 965e2defae5SThomas Bogendoerfer 966e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 967e2defae5SThomas Bogendoerfer bool 968e2defae5SThomas Bogendoerfer 969e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 970e2defae5SThomas Bogendoerfer bool 971e2defae5SThomas Bogendoerfer 972e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 973e2defae5SThomas Bogendoerfer bool 974e2defae5SThomas Bogendoerfer 9755e83d430SRalf Baechleconfig ARC32 9765e83d430SRalf Baechle bool 9775e83d430SRalf Baechle 978231a35d3SThomas Bogendoerferconfig SNIPROM 979231a35d3SThomas Bogendoerfer bool 980231a35d3SThomas Bogendoerfer 9811da177e4SLinus Torvaldsconfig BOOT_ELF32 9821da177e4SLinus Torvalds bool 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9851da177e4SLinus Torvalds int 98606cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 987e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 9889267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9891da177e4SLinus Torvalds default "5" 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9921da177e4SLinus Torvalds bool 9931da177e4SLinus Torvalds 9941da177e4SLinus Torvaldsconfig ARC_CONSOLE 9951da177e4SLinus Torvalds bool "ARC console support" 996e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig ARC_MEMORY 9991da177e4SLinus Torvalds bool 100014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10011da177e4SLinus Torvalds default y 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvaldsconfig ARC_PROMLIB 10041da177e4SLinus Torvalds bool 1005e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10061da177e4SLinus Torvalds default y 10071da177e4SLinus Torvalds 10081da177e4SLinus Torvaldsconfig ARC64 10091da177e4SLinus Torvalds bool 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsconfig BOOT_ELF64 10121da177e4SLinus Torvalds bool 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsmenu "CPU selection" 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldschoice 10171da177e4SLinus Torvalds prompt "CPU type" 10181da177e4SLinus Torvalds default CPU_R4X00 10191da177e4SLinus Torvalds 10202a21c730SFuxin Zhangconfig CPU_LOONGSON2 10212a21c730SFuxin Zhang bool "Loongson 2" 10222a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10232a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10242a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10252a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10262a21c730SFuxin Zhang help 10272a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10282a21c730SFuxin Zhang with many extensions. 10292a21c730SFuxin Zhang 10306e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10316e760c8dSRalf Baechle bool "MIPS32 Release 1" 10327cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1033f7062ddbSRalf Baechle select CPU_HAS_LLSC 10346e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1035797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1036ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10376e760c8dSRalf Baechle help 10385e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10391e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10401e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10411e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10421e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10431e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10441e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10451e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10461e5f1caaSRalf Baechle performance. 10471e5f1caaSRalf Baechle 10481e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10491e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10507cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1051f7062ddbSRalf Baechle select CPU_HAS_LLSC 10521e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1053797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1054ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10551e5f1caaSRalf Baechle help 10565e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10576e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10586e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10596e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10606e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10611da177e4SLinus Torvalds 10626e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10636e760c8dSRalf Baechle bool "MIPS64 Release 1" 10647cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1065f7062ddbSRalf Baechle select CPU_HAS_LLSC 1066797798c1SRalf Baechle select CPU_HAS_PREFETCH 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1068ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1069ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10706e760c8dSRalf Baechle help 10716e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10726e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10736e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10746e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10756e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10761e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10771e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10781e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10791e5f1caaSRalf Baechle performance. 10801e5f1caaSRalf Baechle 10811e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10821e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10837cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1084f7062ddbSRalf Baechle select CPU_HAS_LLSC 1085797798c1SRalf Baechle select CPU_HAS_PREFETCH 10861e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10871e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1088ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10891e5f1caaSRalf Baechle help 10901e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10911e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10921e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10931e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10941e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvaldsconfig CPU_R3000 10971da177e4SLinus Torvalds bool "R3000" 10987cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1099f7062ddbSRalf Baechle select CPU_HAS_WB 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1101797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11021da177e4SLinus Torvalds help 11031da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11041da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11051da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11061da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11071da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11081da177e4SLinus Torvalds try to recompile with R3000. 11091da177e4SLinus Torvalds 11101da177e4SLinus Torvaldsconfig CPU_TX39XX 11111da177e4SLinus Torvalds bool "R39XX" 11127cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1113ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11141da177e4SLinus Torvalds 11151da177e4SLinus Torvaldsconfig CPU_VR41XX 11161da177e4SLinus Torvalds bool "R41xx" 11177cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1118ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1119ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11201da177e4SLinus Torvalds help 11215e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11221da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11231da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11241da177e4SLinus Torvalds processor or vice versa. 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsconfig CPU_R4300 11271da177e4SLinus Torvalds bool "R4300" 11287cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1129f7062ddbSRalf Baechle select CPU_HAS_LLSC 1130ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11321da177e4SLinus Torvalds help 11331da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig CPU_R4X00 11361da177e4SLinus Torvalds bool "R4x00" 11377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1138f7062ddbSRalf Baechle select CPU_HAS_LLSC 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1140ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11411da177e4SLinus Torvalds help 11421da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11431da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11441da177e4SLinus Torvalds 11451da177e4SLinus Torvaldsconfig CPU_TX49XX 11461da177e4SLinus Torvalds bool "R49XX" 11477cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1148f7062ddbSRalf Baechle select CPU_HAS_LLSC 1149de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1150ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1151ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11521da177e4SLinus Torvalds 11531da177e4SLinus Torvaldsconfig CPU_R5000 11541da177e4SLinus Torvalds bool "R5000" 11557cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1156f7062ddbSRalf Baechle select CPU_HAS_LLSC 1157ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1158ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11591da177e4SLinus Torvalds help 11601da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11611da177e4SLinus Torvalds 11621da177e4SLinus Torvaldsconfig CPU_R5432 11631da177e4SLinus Torvalds bool "R5432" 11647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1165f7062ddbSRalf Baechle select CPU_HAS_LLSC 11665e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11675e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11681da177e4SLinus Torvalds 11691da177e4SLinus Torvaldsconfig CPU_R6000 11701da177e4SLinus Torvalds bool "R6000" 1171ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1172f7062ddbSRalf Baechle select CPU_HAS_LLSC 11737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1174ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11751da177e4SLinus Torvalds help 11761da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1177c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvaldsconfig CPU_NEVADA 11801da177e4SLinus Torvalds bool "RM52xx" 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1182f7062ddbSRalf Baechle select CPU_HAS_LLSC 1183ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1184ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11851da177e4SLinus Torvalds help 11861da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvaldsconfig CPU_R8000 11891da177e4SLinus Torvalds bool "R8000" 1190ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1192f7062ddbSRalf Baechle select CPU_HAS_LLSC 11935e83d430SRalf Baechle select CPU_HAS_PREFETCH 1194ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11951da177e4SLinus Torvalds help 11961da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11971da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11981da177e4SLinus Torvalds 11991da177e4SLinus Torvaldsconfig CPU_R10000 12001da177e4SLinus Torvalds bool "R10000" 12017cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1202f7062ddbSRalf Baechle select CPU_HAS_LLSC 12035e83d430SRalf Baechle select CPU_HAS_PREFETCH 1204ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1205ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1206797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12071da177e4SLinus Torvalds help 12081da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig CPU_RM7000 12111da177e4SLinus Torvalds bool "RM7000" 12127cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1213f7062ddbSRalf Baechle select CPU_HAS_LLSC 12145e83d430SRalf Baechle select CPU_HAS_PREFETCH 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1216ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1217797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvaldsconfig CPU_RM9000 12201da177e4SLinus Torvalds bool "RM9000" 12217cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1222f7062ddbSRalf Baechle select CPU_HAS_LLSC 12235e83d430SRalf Baechle select CPU_HAS_PREFETCH 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1226797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12270004a9dfSRalf Baechle select WEAK_ORDERING 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvaldsconfig CPU_SB1 12301da177e4SLinus Torvalds bool "SB1" 12317cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1232f7062ddbSRalf Baechle select CPU_HAS_LLSC 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1235797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12360004a9dfSRalf Baechle select WEAK_ORDERING 12371da177e4SLinus Torvalds 12381da177e4SLinus Torvaldsendchoice 12391da177e4SLinus Torvalds 12402a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12412a21c730SFuxin Zhang bool 12422a21c730SFuxin Zhang 12437cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12447cf8053bSRalf Baechle bool 12457cf8053bSRalf Baechle 12467cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12477cf8053bSRalf Baechle bool 12487cf8053bSRalf Baechle 12497cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12507cf8053bSRalf Baechle bool 12517cf8053bSRalf Baechle 12527cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12537cf8053bSRalf Baechle bool 12547cf8053bSRalf Baechle 12557cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12567cf8053bSRalf Baechle bool 12577cf8053bSRalf Baechle 12587cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12597cf8053bSRalf Baechle bool 12607cf8053bSRalf Baechle 12617cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12627cf8053bSRalf Baechle bool 12637cf8053bSRalf Baechle 12647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12657cf8053bSRalf Baechle bool 12667cf8053bSRalf Baechle 12677cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12687cf8053bSRalf Baechle bool 12697cf8053bSRalf Baechle 12707cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12717cf8053bSRalf Baechle bool 12727cf8053bSRalf Baechle 12737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12747cf8053bSRalf Baechle bool 12757cf8053bSRalf Baechle 12767cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12777cf8053bSRalf Baechle bool 12787cf8053bSRalf Baechle 12797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12807cf8053bSRalf Baechle bool 12817cf8053bSRalf Baechle 12827cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 12837cf8053bSRalf Baechle bool 12847cf8053bSRalf Baechle 12857cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 12867cf8053bSRalf Baechle bool 12877cf8053bSRalf Baechle 12887cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 12897cf8053bSRalf Baechle bool 12907cf8053bSRalf Baechle 12917cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 12927cf8053bSRalf Baechle bool 12937cf8053bSRalf Baechle 12947cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 12957cf8053bSRalf Baechle bool 12967cf8053bSRalf Baechle 12977cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 12987cf8053bSRalf Baechle bool 12997cf8053bSRalf Baechle 130017099b11SRalf Baechle# 130117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 130217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 130317099b11SRalf Baechle# 13040004a9dfSRalf Baechleconfig WEAK_ORDERING 13050004a9dfSRalf Baechle bool 130617099b11SRalf Baechle 130717099b11SRalf Baechle# 130817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 130917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 131017099b11SRalf Baechle# 131117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 131217099b11SRalf Baechle bool 13135e83d430SRalf Baechleendmenu 13145e83d430SRalf Baechle 13155e83d430SRalf Baechle# 13165e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13175e83d430SRalf Baechle# 13185e83d430SRalf Baechleconfig CPU_MIPS32 13195e83d430SRalf Baechle bool 13205e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13215e83d430SRalf Baechle 13225e83d430SRalf Baechleconfig CPU_MIPS64 13235e83d430SRalf Baechle bool 13245e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13255e83d430SRalf Baechle 13265e83d430SRalf Baechle# 1327c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13285e83d430SRalf Baechle# 13295e83d430SRalf Baechleconfig CPU_MIPSR1 13305e83d430SRalf Baechle bool 13315e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13325e83d430SRalf Baechle 13335e83d430SRalf Baechleconfig CPU_MIPSR2 13345e83d430SRalf Baechle bool 13355e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13365e83d430SRalf Baechle 13375e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13385e83d430SRalf Baechle bool 13395e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13405e83d430SRalf Baechle bool 13415e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13425e83d430SRalf Baechle bool 13435e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13445e83d430SRalf Baechle bool 13455e83d430SRalf Baechle 13465e83d430SRalf Baechlemenu "Kernel type" 13475e83d430SRalf Baechle 13485e83d430SRalf Baechlechoice 13495e83d430SRalf Baechle 13505e83d430SRalf Baechle prompt "Kernel code model" 13515e83d430SRalf Baechle help 13525e83d430SRalf Baechle You should only select this option if you have a workload that 13535e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13545e83d430SRalf Baechle large memory. You will only be presented a single option in this 13555e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13565e83d430SRalf Baechle 13575e83d430SRalf Baechleconfig 32BIT 13585e83d430SRalf Baechle bool "32-bit kernel" 13595e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13605e83d430SRalf Baechle select TRAD_SIGNALS 13615e83d430SRalf Baechle help 13625e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13635e83d430SRalf Baechleconfig 64BIT 13645e83d430SRalf Baechle bool "64-bit kernel" 13655e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13665e83d430SRalf Baechle help 13675e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13685e83d430SRalf Baechle 13695e83d430SRalf Baechleendchoice 13705e83d430SRalf Baechle 13711da177e4SLinus Torvaldschoice 13721da177e4SLinus Torvalds prompt "Kernel page size" 13731da177e4SLinus Torvalds default PAGE_SIZE_4KB 13741da177e4SLinus Torvalds 13751da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13761da177e4SLinus Torvalds bool "4kB" 13771da177e4SLinus Torvalds help 13781da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13791da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13801da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13811da177e4SLinus Torvalds recommended for low memory systems. 13821da177e4SLinus Torvalds 13831da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13841da177e4SLinus Torvalds bool "8kB" 13851da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13861da177e4SLinus Torvalds help 13871da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13881da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13891da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13901da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13911da177e4SLinus Torvalds compatibility of user applications. 13921da177e4SLinus Torvalds 13931da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13941da177e4SLinus Torvalds bool "16kB" 1395714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 13961da177e4SLinus Torvalds help 13971da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13981da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1399714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1400714bfad6SRalf Baechle Linux distribution to support this. 14011da177e4SLinus Torvalds 14021da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14031da177e4SLinus Torvalds bool "64kB" 14041da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14051da177e4SLinus Torvalds help 14061da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14071da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14081da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1409714bfad6SRalf Baechle writing this option is still high experimental. 14101da177e4SLinus Torvalds 14111da177e4SLinus Torvaldsendchoice 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvaldsconfig BOARD_SCACHE 14141da177e4SLinus Torvalds bool 14151da177e4SLinus Torvalds 14161da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14171da177e4SLinus Torvalds bool 14181da177e4SLinus Torvalds select BOARD_SCACHE 14191da177e4SLinus Torvalds 14209318c51aSChris Dearman# 14219318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14229318c51aSChris Dearman# 14239318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14249318c51aSChris Dearman bool 14259318c51aSChris Dearman select BOARD_SCACHE 14269318c51aSChris Dearman 14271da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14281da177e4SLinus Torvalds bool 14291da177e4SLinus Torvalds select BOARD_SCACHE 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14321da177e4SLinus Torvalds bool 14331da177e4SLinus Torvalds select BOARD_SCACHE 14341da177e4SLinus Torvalds 14351da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14361da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14371da177e4SLinus Torvalds depends on CPU_SB1 14381da177e4SLinus Torvalds help 14391da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14401da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14411da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14421da177e4SLinus Torvalds 14431da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1444c8094b53SRalf Baechle bool 14451da177e4SLinus Torvalds 1446340ee4b9SRalf Baechlechoice 1447340ee4b9SRalf Baechle prompt "MIPS MT options" 1448f41ae0b2SRalf Baechle 1449f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1450f41ae0b2SRalf Baechle bool "Disable multithreading support." 1451f41ae0b2SRalf Baechle help 1452f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1453f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1454f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1455f41ae0b2SRalf Baechle option in this menu. 1456340ee4b9SRalf Baechle 145759d6ab86SRalf Baechleconfig MIPS_MT_SMP 145859d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 145959d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 146059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1461d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 146259d6ab86SRalf Baechle select MIPS_MT 1463f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 146459d6ab86SRalf Baechle select SMP 14650ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 146659d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 146787353d8aSRalf Baechle select SMP_UP 146859d6ab86SRalf Baechle help 146959d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 147059d6ab86SRalf Baechle has been marketesed into SMVP. 147159d6ab86SRalf Baechle 147241c594abSRalf Baechleconfig MIPS_MT_SMTC 147341c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1474f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1475f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1476f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1477ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1478f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1479d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1480f41ae0b2SRalf Baechle select MIPS_MT 1481130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 148241c594abSRalf Baechle select SMP 148373b76c78SRalf Baechle select SYS_SUPPORTS_SMP 148487353d8aSRalf Baechle select SMP_UP 1485f41ae0b2SRalf Baechle help 1486f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1487f41ae0b2SRalf Baechle marketesed into SMVP. 148841c594abSRalf Baechle 1489340ee4b9SRalf Baechleendchoice 1490340ee4b9SRalf Baechle 1491f41ae0b2SRalf Baechleconfig MIPS_MT 1492f41ae0b2SRalf Baechle bool 1493f41ae0b2SRalf Baechle 14940ab7aefcSRalf Baechleconfig SCHED_SMT 14950ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 14960ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 14970ab7aefcSRalf Baechle default n 14980ab7aefcSRalf Baechle help 14990ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15000ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15010ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15020ab7aefcSRalf Baechle 15030ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15040ab7aefcSRalf Baechle bool 15050ab7aefcSRalf Baechle 15060ab7aefcSRalf Baechle 1507f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1508f41ae0b2SRalf Baechle bool 1509f41ae0b2SRalf Baechle 1510f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1511f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1512f088fc84SRalf Baechle default y 151307cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 151407cc0c9eSRalf Baechle 151507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 151607cc0c9eSRalf Baechle bool "VPE loader support." 151707cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 151807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 151907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 152007cc0c9eSRalf Baechle select MIPS_MT 152107cc0c9eSRalf Baechle help 152207cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 152307cc0c9eSRalf Baechle onto another VPE and running it. 1524f088fc84SRalf Baechle 1525ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1526ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1527619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1528ac8be955SRalf Baechle default y 1529ac8be955SRalf Baechle help 1530ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1531ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1532ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1533ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1534ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1535ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1536ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1537ac8be955SRalf Baechle heavy I/O interrupt load. 1538ac8be955SRalf Baechle 15390db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15400db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15410db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15420db34215SKevin D. Kissell default y 15430db34215SKevin D. Kissell help 15440db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15450db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15460db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15470db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15480db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15490db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15500db34215SKevin D. Kissell what you are doing. 15510db34215SKevin D. Kissell 1552f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1553f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1554f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1555f571eff0SKevin D. Kissell default n 1556f571eff0SKevin D. Kissell help 1557f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1558f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1559f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1560f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1561f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1562f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1563f571eff0SKevin D. Kissell you are doing. 1564f571eff0SKevin D. Kissell 1565e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1566e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1567e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1568e01402b1SRalf Baechle default y 1569e01402b1SRalf Baechle help 1570e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1571e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1572e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1573e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1574e01402b1SRalf Baechle 1575e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1576e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1577e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1578e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15795e83d430SRalf Baechle help 1580e01402b1SRalf Baechle 15812600990eSRalf Baechleconfig MIPS_APSP_KSPD 15822600990eSRalf Baechle bool "Enable KSPD" 15832600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15842600990eSRalf Baechle default y 15852600990eSRalf Baechle help 15862600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15872600990eSRalf Baechle side, actions them and returns the results. It also handles the 15882600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15892600990eSRalf Baechle exiting. You probably want to say yes here. 15902600990eSRalf Baechle 15911da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 15921da177e4SLinus Torvalds bool 15931da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 15941da177e4SLinus Torvalds default y 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 15971da177e4SLinus Torvalds bool 15981da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 15991da177e4SLinus Torvalds default y 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16021da177e4SLinus Torvalds bool 16031da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16041da177e4SLinus Torvalds default y 16051da177e4SLinus Torvalds 16061da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1607d806cb2bSRalf Baechle bool 16081da177e4SLinus Torvalds 16091da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1610f7062ddbSRalf Baechle bool 16111da177e4SLinus Torvalds 16129693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16139693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16149693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16159693a853SFranck Bui-Huu help 16169693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16179693a853SFranck Bui-Huu increased security at both hardware and software level for 16189693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16199693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16209693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16219693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16229693a853SFranck Bui-Huu here. 16239693a853SFranck Bui-Huu 16241da177e4SLinus Torvaldsconfig CPU_HAS_WB 1625f7062ddbSRalf Baechle bool 1626e01402b1SRalf Baechle 1627f41ae0b2SRalf Baechle# 1628f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1629f41ae0b2SRalf Baechle# 1630e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1631f41ae0b2SRalf Baechle bool 1632e01402b1SRalf Baechle 1633f41ae0b2SRalf Baechle# 1634f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1635f41ae0b2SRalf Baechle# 1636e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1637f41ae0b2SRalf Baechle bool 1638e01402b1SRalf Baechle 16391da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16401da177e4SLinus Torvalds bool 16411da177e4SLinus Torvalds depends on !CPU_R3000 16421da177e4SLinus Torvalds default y 16431da177e4SLinus Torvalds 1644ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1645ea580401SRalf Baechle bool 1646ea580401SRalf Baechle 16471da177e4SLinus Torvalds# 164820d60d99SMaciej W. Rozycki# CPU non-features 164920d60d99SMaciej W. Rozycki# 165020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 165120d60d99SMaciej W. Rozycki bool 165220d60d99SMaciej W. Rozycki 165320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 165420d60d99SMaciej W. Rozycki bool 165520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 165620d60d99SMaciej W. Rozycki 165720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 165820d60d99SMaciej W. Rozycki bool 165920d60d99SMaciej W. Rozycki 166020d60d99SMaciej W. Rozycki# 1661797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1662797798c1SRalf Baechle# 1663797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1664797798c1SRalf Baechle bool 1665797798c1SRalf Baechle default y 1666797798c1SRalf Baechle 1667797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1668797798c1SRalf Baechle bool 1669797798c1SRalf Baechle default y 1670797798c1SRalf Baechle 16710d7012a9SIngo Molnarconfig IRQ_PER_CPU 16720d7012a9SIngo Molnar bool 16730d7012a9SIngo Molnar 1674797798c1SRalf Baechle# 16751da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16761da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16771da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16781da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 16791da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 16801da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 16811da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 16821da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1683797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1684797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1685797798c1SRalf Baechle# support. 16861da177e4SLinus Torvalds# 16871da177e4SLinus Torvaldsconfig HIGHMEM 16881da177e4SLinus Torvalds bool "High Memory Support" 1689797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1690797798c1SRalf Baechle 1691797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1692797798c1SRalf Baechle bool 1693797798c1SRalf Baechle 1694797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1695797798c1SRalf Baechle bool 16961da177e4SLinus Torvalds 16979693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 16989693a853SFranck Bui-Huu bool 16999693a853SFranck Bui-Huu 1700b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1701b4819b59SYoichi Yuasa def_bool y 1702b4819b59SYoichi Yuasa depends on !NUMA 1703b4819b59SYoichi Yuasa 1704d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1705d8cb4e11SRalf Baechle bool 1706d8cb4e11SRalf Baechle default y if SGI_IP27 1707d8cb4e11SRalf Baechle help 17083dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1709d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1710d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1711d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1712d8cb4e11SRalf Baechle 1713cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1714cce335aeSRalf Baechle def_bool y 1715cce335aeSRalf Baechle 1716b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1717b1c6cd42SAtsushi Nemoto bool 17187de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 171931473747SAtsushi Nemoto 1720d8cb4e11SRalf Baechleconfig NUMA 1721d8cb4e11SRalf Baechle bool "NUMA Support" 1722d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1723d8cb4e11SRalf Baechle help 1724d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1725d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1726d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1727d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1728d8cb4e11SRalf Baechle disabled. 1729d8cb4e11SRalf Baechle 1730d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1731d8cb4e11SRalf Baechle bool 1732d8cb4e11SRalf Baechle 1733c80d79d7SYasunori Gotoconfig NODES_SHIFT 1734c80d79d7SYasunori Goto int 1735c80d79d7SYasunori Goto default "6" 1736c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1737c80d79d7SYasunori Goto 1738b4819b59SYoichi Yuasasource "mm/Kconfig" 1739b4819b59SYoichi Yuasa 17401da177e4SLinus Torvaldsconfig SMP 17411da177e4SLinus Torvalds bool "Multi-Processing support" 1742e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1743b4b30a5aSRalf Baechle select IRQ_PER_CPU 1744e73ea273SRalf Baechle help 17451da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17461da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17471da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17501da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17511da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17521da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17531da177e4SLinus Torvalds will run faster if you say N here. 17541da177e4SLinus Torvalds 17551da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17561da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17571da177e4SLinus Torvalds 17581da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 17591da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 17601da177e4SLinus Torvalds 17611da177e4SLinus Torvalds If you don't know what to do here, say N. 17621da177e4SLinus Torvalds 176387353d8aSRalf Baechleconfig SMP_UP 176487353d8aSRalf Baechle bool 176587353d8aSRalf Baechle 1766e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1767e73ea273SRalf Baechle bool 1768e73ea273SRalf Baechle 176972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 177072ede9b1SAtsushi Nemoto bool 177172ede9b1SAtsushi Nemoto 1772130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1773130e2fb7SRalf Baechle bool 1774130e2fb7SRalf Baechle 1775130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1776130e2fb7SRalf Baechle bool 1777130e2fb7SRalf Baechle 1778130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1779130e2fb7SRalf Baechle bool 1780130e2fb7SRalf Baechle 1781130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1782130e2fb7SRalf Baechle bool 1783130e2fb7SRalf Baechle 1784130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1785130e2fb7SRalf Baechle bool 1786130e2fb7SRalf Baechle 1787130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1788130e2fb7SRalf Baechle bool 1789130e2fb7SRalf Baechle 17901da177e4SLinus Torvaldsconfig NR_CPUS 17911da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 179272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 17931da177e4SLinus Torvalds depends on SMP 179472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1795130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1796130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1797130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1798130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1799130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1800130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18011da177e4SLinus Torvalds help 18021da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18031da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18041da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 180572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 180672ede9b1SAtsushi Nemoto and 2 for all others. 18071da177e4SLinus Torvalds 18081da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 180972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 181072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 181172ede9b1SAtsushi Nemoto power of two. 18121da177e4SLinus Torvalds 1813c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1814c4eee283SAtsushi Nemoto 18151723b4a3SAtsushi Nemoto# 18161723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18171723b4a3SAtsushi Nemoto# 18181723b4a3SAtsushi Nemoto 18191723b4a3SAtsushi Nemotochoice 18201723b4a3SAtsushi Nemoto prompt "Timer frequency" 18211723b4a3SAtsushi Nemoto default HZ_250 18221723b4a3SAtsushi Nemoto help 18231723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18241723b4a3SAtsushi Nemoto 18251723b4a3SAtsushi Nemoto config HZ_48 18261723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18271723b4a3SAtsushi Nemoto 18281723b4a3SAtsushi Nemoto config HZ_100 18291723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18301723b4a3SAtsushi Nemoto 18311723b4a3SAtsushi Nemoto config HZ_128 18321723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18331723b4a3SAtsushi Nemoto 18341723b4a3SAtsushi Nemoto config HZ_250 18351723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18361723b4a3SAtsushi Nemoto 18371723b4a3SAtsushi Nemoto config HZ_256 18381723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18391723b4a3SAtsushi Nemoto 18401723b4a3SAtsushi Nemoto config HZ_1000 18411723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18421723b4a3SAtsushi Nemoto 18431723b4a3SAtsushi Nemoto config HZ_1024 18441723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18451723b4a3SAtsushi Nemoto 18461723b4a3SAtsushi Nemotoendchoice 18471723b4a3SAtsushi Nemoto 18481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18491723b4a3SAtsushi Nemoto bool 18501723b4a3SAtsushi Nemoto 18511723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18521723b4a3SAtsushi Nemoto bool 18531723b4a3SAtsushi Nemoto 18541723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18551723b4a3SAtsushi Nemoto bool 18561723b4a3SAtsushi Nemoto 18571723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18581723b4a3SAtsushi Nemoto bool 18591723b4a3SAtsushi Nemoto 18601723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18611723b4a3SAtsushi Nemoto bool 18621723b4a3SAtsushi Nemoto 18631723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18641723b4a3SAtsushi Nemoto bool 18651723b4a3SAtsushi Nemoto 18661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18671723b4a3SAtsushi Nemoto bool 18681723b4a3SAtsushi Nemoto 18691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18701723b4a3SAtsushi Nemoto bool 18711723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18721723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18731723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18741723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 18751723b4a3SAtsushi Nemoto 18761723b4a3SAtsushi Nemotoconfig HZ 18771723b4a3SAtsushi Nemoto int 18781723b4a3SAtsushi Nemoto default 48 if HZ_48 18791723b4a3SAtsushi Nemoto default 100 if HZ_100 18801723b4a3SAtsushi Nemoto default 128 if HZ_128 18811723b4a3SAtsushi Nemoto default 250 if HZ_250 18821723b4a3SAtsushi Nemoto default 256 if HZ_256 18831723b4a3SAtsushi Nemoto default 1000 if HZ_1000 18841723b4a3SAtsushi Nemoto default 1024 if HZ_1024 18851723b4a3SAtsushi Nemoto 1886e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 18891da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1890875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 18911da177e4SLinus Torvalds help 18921da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 18931da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 18941da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 18951da177e4SLinus Torvalds This will result in additional memory usage, so it is not 18961da177e4SLinus Torvalds recommended for normal users. 18971da177e4SLinus Torvalds 1898ea6e942bSAtsushi Nemotoconfig KEXEC 1899ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1900ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1901ea6e942bSAtsushi Nemoto help 1902ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1903ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19043dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1905ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1906ea6e942bSAtsushi Nemoto 190701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1908ea6e942bSAtsushi Nemoto 1909ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1910ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1911ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1912ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1913ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1914ea6e942bSAtsushi Nemoto 1915ea6e942bSAtsushi Nemotoconfig SECCOMP 1916ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1917293c5bd1SRalf Baechle depends on PROC_FS 1918ea6e942bSAtsushi Nemoto default y 1919ea6e942bSAtsushi Nemoto help 1920ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1921ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1922ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1923ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1924ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1925ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1926ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1927ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1928ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1929ea6e942bSAtsushi Nemoto 1930ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1931ea6e942bSAtsushi Nemoto 19325e83d430SRalf Baechleendmenu 19335e83d430SRalf Baechle 19341da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19351da177e4SLinus Torvalds bool 19361da177e4SLinus Torvalds default y 19371da177e4SLinus Torvalds 19381df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19391df0f0ffSAtsushi Nemoto bool 19401df0f0ffSAtsushi Nemoto default y 19411df0f0ffSAtsushi Nemoto 19421df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19431df0f0ffSAtsushi Nemoto bool 19441df0f0ffSAtsushi Nemoto default y 19451df0f0ffSAtsushi Nemoto 1946b6c3539bSRalf Baechlesource "init/Kconfig" 1947b6c3539bSRalf Baechle 19481da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19491da177e4SLinus Torvalds 19505e83d430SRalf Baechleconfig HW_HAS_EISA 19515e83d430SRalf Baechle bool 19521da177e4SLinus Torvaldsconfig HW_HAS_PCI 19531da177e4SLinus Torvalds bool 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvaldsconfig PCI 19561da177e4SLinus Torvalds bool "Support for PCI controller" 19571da177e4SLinus Torvalds depends on HW_HAS_PCI 1958abb4ae46SRalf Baechle select PCI_DOMAINS 19591da177e4SLinus Torvalds help 19601da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19611da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19621da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19631da177e4SLinus Torvalds say Y, otherwise N. 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvaldsconfig PCI_DOMAINS 19661da177e4SLinus Torvalds bool 19671da177e4SLinus Torvalds 19681da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19691da177e4SLinus Torvalds 19701da177e4SLinus Torvalds# 19711da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 19721da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 19731da177e4SLinus Torvalds# users to choose the right thing ... 19741da177e4SLinus Torvalds# 19751da177e4SLinus Torvaldsconfig ISA 19761da177e4SLinus Torvalds bool 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvaldsconfig EISA 19791da177e4SLinus Torvalds bool "EISA support" 19805e83d430SRalf Baechle depends on HW_HAS_EISA 19811da177e4SLinus Torvalds select ISA 1982aa414dffSRalf Baechle select GENERIC_ISA_DMA 19831da177e4SLinus Torvalds ---help--- 19841da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 19851da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 19881da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 19891da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 19901da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 19911da177e4SLinus Torvalds 19921da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 19931da177e4SLinus Torvalds 19941da177e4SLinus Torvalds Otherwise, say N. 19951da177e4SLinus Torvalds 19961da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 19971da177e4SLinus Torvalds 19981da177e4SLinus Torvaldsconfig TC 19991da177e4SLinus Torvalds bool "TURBOchannel support" 20001da177e4SLinus Torvalds depends on MACH_DECSTATION 20011da177e4SLinus Torvalds help 20021da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20031da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20041da177e4SLinus Torvalds is available at: 20051da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20061da177e4SLinus Torvalds 20071da177e4SLinus Torvalds#config ACCESSBUS 20081da177e4SLinus Torvalds# bool "Access.Bus support" 20091da177e4SLinus Torvalds# depends on TC 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvaldsconfig MMU 20121da177e4SLinus Torvalds bool 20131da177e4SLinus Torvalds default y 20141da177e4SLinus Torvalds 2015d865bea4SRalf Baechleconfig I8253 2016d865bea4SRalf Baechle bool 2017d865bea4SRalf Baechle 2018cce335aeSRalf Baechleconfig ZONE_DMA32 2019cce335aeSRalf Baechle bool 2020cce335aeSRalf Baechle 20211da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvaldsendmenu 20261da177e4SLinus Torvalds 20271da177e4SLinus Torvaldsmenu "Executable file formats" 20281da177e4SLinus Torvalds 20291da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20301da177e4SLinus Torvalds 20311da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20321da177e4SLinus Torvalds bool 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvaldsconfig BINFMT_IRIX 20351da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20365e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20391da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2040875d43e7SRalf Baechle depends on 64BIT 20411da177e4SLinus Torvalds help 20421da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20431da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20441da177e4SLinus Torvalds currently 32-bit you should say Y here. 20451da177e4SLinus Torvalds 20461da177e4SLinus Torvaldsconfig COMPAT 20471da177e4SLinus Torvalds bool 20481da177e4SLinus Torvalds depends on MIPS32_COMPAT 20491da177e4SLinus Torvalds default y 20501da177e4SLinus Torvalds 205105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 205205e43966SAtsushi Nemoto bool 205305e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 205405e43966SAtsushi Nemoto default y 205505e43966SAtsushi Nemoto 20561da177e4SLinus Torvaldsconfig MIPS32_O32 20571da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20581da177e4SLinus Torvalds depends on MIPS32_COMPAT 20591da177e4SLinus Torvalds help 20601da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20611da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20621da177e4SLinus Torvalds existing binaries are in this format. 20631da177e4SLinus Torvalds 20641da177e4SLinus Torvalds If unsure, say Y. 20651da177e4SLinus Torvalds 20661da177e4SLinus Torvaldsconfig MIPS32_N32 20671da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20681da177e4SLinus Torvalds depends on MIPS32_COMPAT 20691da177e4SLinus Torvalds help 20701da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 20711da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 20721da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 20731da177e4SLinus Torvalds cases. 20741da177e4SLinus Torvalds 20751da177e4SLinus Torvalds If unsure, say N. 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvaldsconfig BINFMT_ELF32 20781da177e4SLinus Torvalds bool 20791da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 20801da177e4SLinus Torvalds 20812116245eSRalf Baechleendmenu 20821da177e4SLinus Torvalds 20832116245eSRalf Baechlemenu "Power management options" 2084952fa954SRodolfo Giometti 2085f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2086f4cb5700SJohannes Berg def_bool y 2087f4cb5700SJohannes Berg depends on !SMP 2088f4cb5700SJohannes Berg 20892116245eSRalf Baechlesource "kernel/power/Kconfig" 2090952fa954SRodolfo Giometti 20911da177e4SLinus Torvaldsendmenu 20921da177e4SLinus Torvalds 2093d5950b43SSam Ravnborgsource "net/Kconfig" 2094d5950b43SSam Ravnborg 20951da177e4SLinus Torvaldssource "drivers/Kconfig" 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvaldssource "fs/Kconfig" 20981da177e4SLinus Torvalds 209909cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 21005e83d430SRalf Baechle 21011da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21021da177e4SLinus Torvalds 21031da177e4SLinus Torvaldssource "security/Kconfig" 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvaldssource "crypto/Kconfig" 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvaldssource "lib/Kconfig" 2108