11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 690b02340SRalf Baechle select RTC_LIB 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 91da177e4SLinus Torvalds 101da177e4SLinus Torvaldsmenu "Machine selection" 111da177e4SLinus Torvalds 125ac6da66SChristoph Lameterconfig ZONE_DMA 135ac6da66SChristoph Lameter bool 145ac6da66SChristoph Lameter 155e83d430SRalf Baechlechoice 165e83d430SRalf Baechle prompt "System type" 175e83d430SRalf Baechle default SGI_IP22 181da177e4SLinus Torvalds 19c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 20c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 211da177e4SLinus Torvalds 2235189fadSRalf Baechleconfig BASLER_EXCITE 23be91589eSThomas Koeller bool "Basler eXcite smart camera" 2442f77542SRalf Baechle select CEVT_R4K 25940f6b48SRalf Baechle select CSRC_R4K 2635189fadSRalf Baechle select DMA_COHERENT 2735189fadSRalf Baechle select HW_HAS_PCI 2835189fadSRalf Baechle select IRQ_CPU 2935189fadSRalf Baechle select IRQ_CPU_RM7K 3035189fadSRalf Baechle select IRQ_CPU_RM9K 31663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3235189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3335189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3435189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 35cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3635189fadSRalf Baechle help 3735189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 38be91589eSThomas Koeller Basler Vision Technologies AG. 3935189fadSRalf Baechle 4035189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 4135189fadSRalf Baechle bool "Support for pre-release units" 4235189fadSRalf Baechle depends on BASLER_EXCITE 4335189fadSRalf Baechle default n 4435189fadSRalf Baechle help 4535189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4635189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4735189fadSRalf Baechle note that a kernel built with this option selected will not be 4835189fadSRalf Baechle able to run on normal units. 4935189fadSRalf Baechle 501c0c13ebSAurelien Jarnoconfig BCM47XX 511c0c13ebSAurelien Jarno bool "BCM47XX based boards" 5242f77542SRalf Baechle select CEVT_R4K 53940f6b48SRalf Baechle select CSRC_R4K 541c0c13ebSAurelien Jarno select DMA_NONCOHERENT 551c0c13ebSAurelien Jarno select HW_HAS_PCI 561c0c13ebSAurelien Jarno select IRQ_CPU 571c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 581c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 591c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 601c0c13ebSAurelien Jarno select SSB 611c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 622f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 632f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 641c0c13ebSAurelien Jarno select GENERIC_GPIO 6525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 6625e5fb97SAurelien Jarno select CFE 671c0c13ebSAurelien Jarno help 681c0c13ebSAurelien Jarno Support for BCM47XX based boards 691c0c13ebSAurelien Jarno 701da177e4SLinus Torvaldsconfig MIPS_COBALT 713fa986faSMartin Michlmayr bool "Cobalt Server" 7242f77542SRalf Baechle select CEVT_R4K 73940f6b48SRalf Baechle select CSRC_R4K 741097c6acSYoichi Yuasa select CEVT_GT641XX 751da177e4SLinus Torvalds select DMA_NONCOHERENT 761da177e4SLinus Torvalds select HW_HAS_PCI 77d865bea4SRalf Baechle select I8253 781da177e4SLinus Torvalds select I8259 791da177e4SLinus Torvalds select IRQ_CPU 80d5ab1a69SYoichi Yuasa select IRQ_GT641XX 81252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 827cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 830a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 84ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 85ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 865e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 879fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 881da177e4SLinus Torvalds 891da177e4SLinus Torvaldsconfig MACH_DECSTATION 903fa986faSMartin Michlmayr bool "DECstations" 911da177e4SLinus Torvalds select BOOT_ELF32 9242f77542SRalf Baechle select CEVT_R4K 93940f6b48SRalf Baechle select CSRC_R4K 9420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 9520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 971da177e4SLinus Torvalds select DMA_NONCOHERENT 98d388d685SMaciej W. Rozycki select NO_IOPORT 991da177e4SLinus Torvalds select IRQ_CPU 1007cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1017cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 102ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 103ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1045e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1051723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1061723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1071723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1085e83d430SRalf Baechle help 1091da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1101da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1111da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1141da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds DECstation 5000/50 1171da177e4SLinus Torvalds DECstation 5000/150 1181da177e4SLinus Torvalds DECstation 5000/260 1191da177e4SLinus Torvalds DECsystem 5900/260 1201da177e4SLinus Torvalds 1211da177e4SLinus Torvalds otherwise choose R3000. 1221da177e4SLinus Torvalds 1235e83d430SRalf Baechleconfig MACH_JAZZ 1243fa986faSMartin Michlmayr bool "Jazz family of machines" 1255e83d430SRalf Baechle select ARC 1265e83d430SRalf Baechle select ARC32 1275e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12842f77542SRalf Baechle select CEVT_R4K 129940f6b48SRalf Baechle select CSRC_R4K 130e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1315e83d430SRalf Baechle select GENERIC_ISA_DMA 132ea202c63SThomas Bogendoerfer select IRQ_CPU 133d865bea4SRalf Baechle select I8253 1345e83d430SRalf Baechle select I8259 1355e83d430SRalf Baechle select ISA 1367cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1375e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1385e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1391723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1409fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1411da177e4SLinus Torvalds help 1425e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1435e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1445e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1455e83d430SRalf Baechle Olivetti M700-10 workstations. 1465e83d430SRalf Baechle 1471f21d2bdSBrian Murphyconfig LASAT 1481f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14942f77542SRalf Baechle select CEVT_R4K 150940f6b48SRalf Baechle select CSRC_R4K 1511f21d2bdSBrian Murphy select DMA_NONCOHERENT 1521f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1531f21d2bdSBrian Murphy select HW_HAS_PCI 154a5ccfe5cSRalf Baechle select IRQ_CPU 1551f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1561f21d2bdSBrian Murphy select MIPS_NILE4 1571f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1581f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1591f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1601f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1611f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1621f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1631f21d2bdSBrian Murphy 164ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 165ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 166ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16742f77542SRalf Baechle select CEVT_R4K 168940f6b48SRalf Baechle select CSRC_R4K 169ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 170ade299d8SYoichi Yuasa select DMA_NONCOHERENT 171ade299d8SYoichi Yuasa select BOOT_ELF32 172ade299d8SYoichi Yuasa select BOARD_SCACHE 173ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 174ade299d8SYoichi Yuasa select HW_HAS_PCI 175ade299d8SYoichi Yuasa select I8259 176ade299d8SYoichi Yuasa select ISA 177ade299d8SYoichi Yuasa select IRQ_CPU 178ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 179ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 180ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 181ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 182ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 183ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 18423dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 185ade299d8SYoichi Yuasa select CPU_HAS_WB 186ade299d8SYoichi Yuasa help 187ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 188ade299d8SYoichi Yuasa an FPGA northbridge 189ade299d8SYoichi Yuasa 1901da177e4SLinus Torvaldsconfig MIPS_ATLAS 1913fa986faSMartin Michlmayr bool "MIPS Atlas board" 1921da177e4SLinus Torvalds select BOOT_ELF32 193*fa71c960SRalf Baechle select BOOT_RAW 19442f77542SRalf Baechle select CEVT_R4K 195940f6b48SRalf Baechle select CSRC_R4K 1961da177e4SLinus Torvalds select DMA_NONCOHERENT 19736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1985e83d430SRalf Baechle select IRQ_CPU 1991da177e4SLinus Torvalds select HW_HAS_PCI 2005e83d430SRalf Baechle select MIPS_BOARDS_GEN 2015e83d430SRalf Baechle select MIPS_BONITO64 202252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2035e83d430SRalf Baechle select MIPS_MSC 204f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 2051da177e4SLinus Torvalds select SWAP_IO_SPACE 2067cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2077cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2087cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2097cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2107cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 212ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 215f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2169693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 217e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2181da177e4SLinus Torvalds help 219f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2201da177e4SLinus Torvalds board. 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvaldsconfig MIPS_MALTA 2233fa986faSMartin Michlmayr bool "MIPS Malta board" 22461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2251da177e4SLinus Torvalds select BOOT_ELF32 226*fa71c960SRalf Baechle select BOOT_RAW 22742f77542SRalf Baechle select CEVT_R4K 228940f6b48SRalf Baechle select CSRC_R4K 2291da177e4SLinus Torvalds select DMA_NONCOHERENT 2301da177e4SLinus Torvalds select GENERIC_ISA_DMA 231aa414dffSRalf Baechle select IRQ_CPU 2321da177e4SLinus Torvalds select HW_HAS_PCI 233d865bea4SRalf Baechle select I8253 2341da177e4SLinus Torvalds select I8259 2355e83d430SRalf Baechle select MIPS_BOARDS_GEN 2365e83d430SRalf Baechle select MIPS_BONITO64 2379318c51aSChris Dearman select MIPS_CPU_SCACHE 238252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2395e83d430SRalf Baechle select MIPS_MSC 2401da177e4SLinus Torvalds select SWAP_IO_SPACE 2417cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2427cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2437cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2447cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2457cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 24636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 247ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 248ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 251f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2529693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2531da177e4SLinus Torvalds help 254f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2551da177e4SLinus Torvalds board. 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvaldsconfig MIPS_SEAD 258d98cc84dSRalf Baechle bool "MIPS SEAD board" 25942f77542SRalf Baechle select CEVT_R4K 260940f6b48SRalf Baechle select CSRC_R4K 2611da177e4SLinus Torvalds select IRQ_CPU 2621da177e4SLinus Torvalds select DMA_NONCOHERENT 26336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2645e83d430SRalf Baechle select MIPS_BOARDS_GEN 2657cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2667cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2677cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 268ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2695e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2705e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2715e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2729693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 273f638d197SMaciej W. Rozycki help 274f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 275f638d197SMaciej W. Rozycki board. 2761da177e4SLinus Torvalds 277c78cbf49SRalf Baechleconfig MIPS_SIM 2783fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 27942f77542SRalf Baechle select CEVT_R4K 280940f6b48SRalf Baechle select CSRC_R4K 281c78cbf49SRalf Baechle select DMA_NONCOHERENT 28236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 283c78cbf49SRalf Baechle select IRQ_CPU 2849267a30dSMarc St-Jean select BOOT_RAW 2857cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2867cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 28736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 288c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 289c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 290f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 291c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 292c78cbf49SRalf Baechle help 293c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 294c78cbf49SRalf Baechle emulator. 295c78cbf49SRalf Baechle 296ade299d8SYoichi Yuasaconfig MARKEINS 297ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 29842f77542SRalf Baechle select CEVT_R4K 299940f6b48SRalf Baechle select CSRC_R4K 300ade299d8SYoichi Yuasa select DMA_NONCOHERENT 301ade299d8SYoichi Yuasa select HW_HAS_PCI 302ade299d8SYoichi Yuasa select IRQ_CPU 303ade299d8SYoichi Yuasa select SWAP_IO_SPACE 304ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 305ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 306ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 307ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 308ade299d8SYoichi Yuasa help 309ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 310ade299d8SYoichi Yuasa boards with R5500 CPU. 311ade299d8SYoichi Yuasa 3125e83d430SRalf Baechleconfig MACH_VR41XX 31374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 31442f77542SRalf Baechle select CEVT_R4K 315940f6b48SRalf Baechle select CSRC_R4K 3167cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3179fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3185e83d430SRalf Baechle 319ade299d8SYoichi Yuasaconfig PNX8550_JBS 320ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 321ade299d8SYoichi Yuasa select PNX8550 322ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 323ade299d8SYoichi Yuasa 324ade299d8SYoichi Yuasaconfig PNX8550_STB810 325ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 326ade299d8SYoichi Yuasa select PNX8550 327ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 328ade299d8SYoichi Yuasa 3299267a30dSMarc St-Jeanconfig PMC_MSP 3309267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3319267a30dSMarc St-Jean depends on EXPERIMENTAL 3329267a30dSMarc St-Jean select DMA_NONCOHERENT 3339267a30dSMarc St-Jean select SWAP_IO_SPACE 3349267a30dSMarc St-Jean select NO_EXCEPT_FILL 3359267a30dSMarc St-Jean select BOOT_RAW 3369267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3379267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3389267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3399267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3409267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3419267a30dSMarc St-Jean select IRQ_CPU 3429267a30dSMarc St-Jean select SERIAL_8250 3439267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3449267a30dSMarc St-Jean help 3459267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3469267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3479267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3489267a30dSMarc St-Jean a variety of MIPS cores. 3499267a30dSMarc St-Jean 3505e83d430SRalf Baechleconfig PMC_YOSEMITE 3513fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 35242f77542SRalf Baechle select CEVT_R4K 353940f6b48SRalf Baechle select CSRC_R4K 3545e83d430SRalf Baechle select DMA_COHERENT 3555e83d430SRalf Baechle select HW_HAS_PCI 3565e83d430SRalf Baechle select IRQ_CPU 3575e83d430SRalf Baechle select IRQ_CPU_RM7K 3585e83d430SRalf Baechle select IRQ_CPU_RM9K 3595e83d430SRalf Baechle select SWAP_IO_SPACE 3607cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 36136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3625e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3635e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3655e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 366cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 367e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3685e83d430SRalf Baechle help 3695e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3705e83d430SRalf Baechle manufactured by PMC-Sierra. 3711da177e4SLinus Torvalds 37207119621SRalf Baechleconfig QEMU 3733fa986faSMartin Michlmayr bool "Qemu" 37442f77542SRalf Baechle select CEVT_R4K 375940f6b48SRalf Baechle select CSRC_R4K 37607119621SRalf Baechle select DMA_COHERENT 37707119621SRalf Baechle select GENERIC_ISA_DMA 37807119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 379d865bea4SRalf Baechle select I8253 38007119621SRalf Baechle select I8259 3817bcf7717SRalf Baechle select IRQ_CPU 38207119621SRalf Baechle select ISA 38307119621SRalf Baechle select SWAP_IO_SPACE 3847cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 385a57c2289SRalf Baechle select SYS_HAS_EARLY_PRINTK 38607119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 38707119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 388c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 3899fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 39072ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 39172ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 39207119621SRalf Baechle help 39307119621SRalf Baechle Qemu is a software emulator which among other architectures also 39407119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 39507119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 39607119621SRalf Baechle will eventually be removed again when Qemu has the capability to 39707119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 39807119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 39907119621SRalf Baechle 4001da177e4SLinus Torvaldsconfig SGI_IP22 4013fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 4021da177e4SLinus Torvalds select ARC 4031da177e4SLinus Torvalds select ARC32 4041da177e4SLinus Torvalds select BOOT_ELF32 40542f77542SRalf Baechle select CEVT_R4K 406940f6b48SRalf Baechle select CSRC_R4K 407e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4081da177e4SLinus Torvalds select DMA_NONCOHERENT 4095e83d430SRalf Baechle select HW_HAS_EISA 410d865bea4SRalf Baechle select I8253 41168de4803SThomas Bogendoerfer select I8259 4121da177e4SLinus Torvalds select IP22_CPU_SCACHE 4131da177e4SLinus Torvalds select IRQ_CPU 414aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 415e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 416e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 417e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 418e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 419e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 420e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 4211da177e4SLinus Torvalds select SWAP_IO_SPACE 4227cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4237cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 42436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 425ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 426ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4281da177e4SLinus Torvalds help 4291da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4301da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4311da177e4SLinus Torvalds that runs on these, say Y here. 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvaldsconfig SGI_IP27 4343fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4351da177e4SLinus Torvalds select ARC 4361da177e4SLinus Torvalds select ARC64 4375e83d430SRalf Baechle select BOOT_ELF64 438e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4391da177e4SLinus Torvalds select DMA_IP27 44036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4411da177e4SLinus Torvalds select HW_HAS_PCI 442130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4437cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 444ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4455e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 446cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 447d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4481a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 449e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4501da177e4SLinus Torvalds help 4511da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4521da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4531da177e4SLinus Torvalds here. 4541da177e4SLinus Torvalds 455e2defae5SThomas Bogendoerferconfig SGI_IP28 456e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 457e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 458e2defae5SThomas Bogendoerfer select ARC 459e2defae5SThomas Bogendoerfer select ARC64 460e2defae5SThomas Bogendoerfer select BOOT_ELF64 461e2defae5SThomas Bogendoerfer select CEVT_R4K 462e2defae5SThomas Bogendoerfer select CSRC_R4K 463e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 464e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 465e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 466e2defae5SThomas Bogendoerfer select IRQ_CPU 467e2defae5SThomas Bogendoerfer select HW_HAS_EISA 468e2defae5SThomas Bogendoerfer select I8253 469e2defae5SThomas Bogendoerfer select I8259 470e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 471e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 472e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 473e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 474e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 475e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 476e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 477e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 478e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 479e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 480e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 481e2defae5SThomas Bogendoerfer help 482e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 483e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 484e2defae5SThomas Bogendoerfer 4851da177e4SLinus Torvaldsconfig SGI_IP32 486cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4871da177e4SLinus Torvalds select ARC 4881da177e4SLinus Torvalds select ARC32 4891da177e4SLinus Torvalds select BOOT_ELF32 49042f77542SRalf Baechle select CEVT_R4K 491940f6b48SRalf Baechle select CSRC_R4K 4921da177e4SLinus Torvalds select DMA_NONCOHERENT 4931da177e4SLinus Torvalds select HW_HAS_PCI 494dd67b155SRalf Baechle select IRQ_CPU 4951da177e4SLinus Torvalds select R5000_CPU_SCACHE 4961da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4977cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4987cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4997cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 500dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 501ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5025e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5031da177e4SLinus Torvalds help 5041da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 5051da177e4SLinus Torvalds 506ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 507ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 5085e83d430SRalf Baechle depends on EXPERIMENTAL 5095e83d430SRalf Baechle select BOOT_ELF32 5105e83d430SRalf Baechle select DMA_COHERENT 5115e83d430SRalf Baechle select SIBYTE_BCM1120 5125e83d430SRalf Baechle select SWAP_IO_SPACE 5137cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5155e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5165e83d430SRalf Baechle 517ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 518ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5195e83d430SRalf Baechle depends on EXPERIMENTAL 5205e83d430SRalf Baechle select BOOT_ELF32 5215e83d430SRalf Baechle select DMA_COHERENT 5225e83d430SRalf Baechle select SIBYTE_BCM1120 5235e83d430SRalf Baechle select SWAP_IO_SPACE 5247cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5255e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5265e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5275e83d430SRalf Baechle 5285e83d430SRalf Baechleconfig SIBYTE_CRHONE 5293fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5305e83d430SRalf Baechle depends on EXPERIMENTAL 5315e83d430SRalf Baechle select BOOT_ELF32 5325e83d430SRalf Baechle select DMA_COHERENT 5335e83d430SRalf Baechle select SIBYTE_BCM1125 5345e83d430SRalf Baechle select SWAP_IO_SPACE 5357cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5375e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5395e83d430SRalf Baechle 540ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 541ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 542ade299d8SYoichi Yuasa depends on EXPERIMENTAL 543ade299d8SYoichi Yuasa select BOOT_ELF32 544ade299d8SYoichi Yuasa select DMA_COHERENT 545ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 546ade299d8SYoichi Yuasa select SWAP_IO_SPACE 547ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 548ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 549ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 550ade299d8SYoichi Yuasa 551ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 552ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 553ade299d8SYoichi Yuasa select BOOT_ELF32 554ade299d8SYoichi Yuasa select DMA_COHERENT 555ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 556ade299d8SYoichi Yuasa select SIBYTE_SB1250 557ade299d8SYoichi Yuasa select SWAP_IO_SPACE 558ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 559ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 560ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 561ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 562ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 563cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 564ade299d8SYoichi Yuasa 565ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 566ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 567ade299d8SYoichi Yuasa depends on EXPERIMENTAL 568ade299d8SYoichi Yuasa select BOOT_ELF32 569ade299d8SYoichi Yuasa select DMA_COHERENT 570ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 571ade299d8SYoichi Yuasa select SIBYTE_SB1250 572ade299d8SYoichi Yuasa select SWAP_IO_SPACE 573ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 574ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 575ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 576ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 577ade299d8SYoichi Yuasa 578ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 579ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 580ade299d8SYoichi Yuasa depends on EXPERIMENTAL 581ade299d8SYoichi Yuasa select BOOT_ELF32 582ade299d8SYoichi Yuasa select DMA_COHERENT 583ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 584ade299d8SYoichi Yuasa select SIBYTE_SB1250 585ade299d8SYoichi Yuasa select SWAP_IO_SPACE 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 587ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 589ade299d8SYoichi Yuasa 590ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 591ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 592ade299d8SYoichi Yuasa select BOOT_ELF32 593ade299d8SYoichi Yuasa select DMA_COHERENT 594ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 595ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 596ade299d8SYoichi Yuasa select SWAP_IO_SPACE 597ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 598ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 599651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 600ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 601cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 602ade299d8SYoichi Yuasa 60314b36af4SThomas Bogendoerferconfig SNI_RM 60414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 6054a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 6064a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 607231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 6085e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 6095e83d430SRalf Baechle select BOOT_ELF32 61042f77542SRalf Baechle select CEVT_R4K 611940f6b48SRalf Baechle select CSRC_R4K 612e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6135e83d430SRalf Baechle select DMA_NONCOHERENT 6145e83d430SRalf Baechle select GENERIC_ISA_DMA 6155e83d430SRalf Baechle select HW_HAS_EISA 6165e83d430SRalf Baechle select HW_HAS_PCI 617c066a32aSThomas Bogendoerfer select IRQ_CPU 618d865bea4SRalf Baechle select I8253 6195e83d430SRalf Baechle select I8259 6205e83d430SRalf Baechle select ISA 6214a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6227cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6234a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 624c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6254a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 62636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 627ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6285e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6294a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6305e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6321da177e4SLinus Torvalds help 63314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 63414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6355e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6365e83d430SRalf Baechle support this machine type. 6371da177e4SLinus Torvalds 6385e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6393fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 640229f773eSAtsushi Nemoto select CEVT_TXX9 6415e83d430SRalf Baechle select DMA_NONCOHERENT 6425e83d430SRalf Baechle select HW_HAS_PCI 6435e83d430SRalf Baechle select MIPS_TX3927 644c87abd75SAtsushi Nemoto select IRQ_TXX9 6455e83d430SRalf Baechle select SWAP_IO_SPACE 6467cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6475e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6486a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6502127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6515e83d430SRalf Baechle 6525e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 65308a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 65442f77542SRalf Baechle select CEVT_R4K 655940f6b48SRalf Baechle select CSRC_R4K 656229f773eSAtsushi Nemoto select CEVT_TXX9 6575e83d430SRalf Baechle select DMA_NONCOHERENT 6585e83d430SRalf Baechle select HAS_TXX9_SERIAL 6595e83d430SRalf Baechle select HW_HAS_PCI 660c87abd75SAtsushi Nemoto select IRQ_CPU 661c87abd75SAtsushi Nemoto select IRQ_TXX9 662c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6635e83d430SRalf Baechle select SWAP_IO_SPACE 6647cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6655e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6665e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6676a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 669cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6709fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6715e83d430SRalf Baechle help 6725e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6735e83d430SRalf Baechle support this machine type 6741da177e4SLinus Torvalds 67523fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6763fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 67742f77542SRalf Baechle select CEVT_R4K 678940f6b48SRalf Baechle select CSRC_R4K 679229f773eSAtsushi Nemoto select CEVT_TXX9 68023fbee9dSRalf Baechle select DMA_NONCOHERENT 68123fbee9dSRalf Baechle select HAS_TXX9_SERIAL 68223fbee9dSRalf Baechle select HW_HAS_PCI 683c87abd75SAtsushi Nemoto select IRQ_CPU 684c87abd75SAtsushi Nemoto select IRQ_TXX9 68523fbee9dSRalf Baechle select SWAP_IO_SPACE 6867cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 68723fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 68823fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 68923fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 690cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6919fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6923896b054SAtsushi Nemoto select GENERIC_GPIO 69323fbee9dSRalf Baechle help 69423fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 69523fbee9dSRalf Baechle support this machine type 69623fbee9dSRalf Baechle 697ade299d8SYoichi Yuasaconfig WR_PPMC 698ade299d8SYoichi Yuasa bool "Wind River PPMC board" 69942f77542SRalf Baechle select CEVT_R4K 700940f6b48SRalf Baechle select CSRC_R4K 701ade299d8SYoichi Yuasa select IRQ_CPU 702ade299d8SYoichi Yuasa select BOOT_ELF32 703ade299d8SYoichi Yuasa select DMA_NONCOHERENT 704ade299d8SYoichi Yuasa select HW_HAS_PCI 705ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 706ade299d8SYoichi Yuasa select SWAP_IO_SPACE 707ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 708ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 709ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 710ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 711ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 712ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 713ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 714ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 715ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 716ade299d8SYoichi Yuasa help 717ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 718ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 719ade299d8SYoichi Yuasa 7201da177e4SLinus Torvaldsendchoice 7211da177e4SLinus Torvalds 722c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 7235e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7241f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7255e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 72629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 72738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 7285e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 72923fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 7305e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 73138b18f72SRalf Baechle 7325e83d430SRalf Baechleendmenu 7335e83d430SRalf Baechle 7341da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7351da177e4SLinus Torvalds bool 7361da177e4SLinus Torvalds default y 7371da177e4SLinus Torvalds 7381da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7391da177e4SLinus Torvalds bool 7401da177e4SLinus Torvalds 741f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 742f0d1b0b3SDavid Howells bool 743f0d1b0b3SDavid Howells default n 744f0d1b0b3SDavid Howells 745f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 746f0d1b0b3SDavid Howells bool 747f0d1b0b3SDavid Howells default n 748f0d1b0b3SDavid Howells 74900a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 75000a58253SRalf Baechle bool 75100a58253SRalf Baechle default y if !MIPS_MT_SMTC 75200a58253SRalf Baechle 7533c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7543c9ee7efSAkinobu Mita bool 7553c9ee7efSAkinobu Mita default y 7563c9ee7efSAkinobu Mita 7573c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7583c9ee7efSAkinobu Mita bool 7593c9ee7efSAkinobu Mita default y 7603c9ee7efSAkinobu Mita 7611da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7621da177e4SLinus Torvalds bool 7631da177e4SLinus Torvalds default y 7641da177e4SLinus Torvalds 7657bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7667bcf7717SRalf Baechle bool 7677bcf7717SRalf Baechle default y 7687bcf7717SRalf Baechle 7698db02010SRalf Baechleconfig GENERIC_TIME 7708db02010SRalf Baechle bool 7718db02010SRalf Baechle default y 7728db02010SRalf Baechle 773f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 774f5ff0a28SRalf Baechle bool 775f5ff0a28SRalf Baechle default y 776f5ff0a28SRalf Baechle 7771cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7781cc89038SAtsushi Nemoto bool 7791cc89038SAtsushi Nemoto default y 7801cc89038SAtsushi Nemoto 781e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 782e77c232cSFranck Bui-Huu bool 783e77c232cSFranck Bui-Huu default n 784e77c232cSFranck Bui-Huu 7851da177e4SLinus Torvalds# 7861da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7871da177e4SLinus Torvalds# 7881da177e4SLinus Torvaldsconfig ARC 7891da177e4SLinus Torvalds bool 7901da177e4SLinus Torvalds 79161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 79261ed242dSRalf Baechle bool 79361ed242dSRalf Baechle 7949267a30dSMarc St-Jeanconfig BOOT_RAW 7959267a30dSMarc St-Jean bool 7969267a30dSMarc St-Jean 797217dd11eSRalf Baechleconfig CEVT_BCM1480 798217dd11eSRalf Baechle bool 799217dd11eSRalf Baechle 8001097c6acSYoichi Yuasaconfig CEVT_GT641XX 8011097c6acSYoichi Yuasa bool 8021097c6acSYoichi Yuasa 80342f77542SRalf Baechleconfig CEVT_R4K 80442f77542SRalf Baechle bool 80542f77542SRalf Baechle 806217dd11eSRalf Baechleconfig CEVT_SB1250 807217dd11eSRalf Baechle bool 808217dd11eSRalf Baechle 809229f773eSAtsushi Nemotoconfig CEVT_TXX9 810229f773eSAtsushi Nemoto bool 811229f773eSAtsushi Nemoto 812217dd11eSRalf Baechleconfig CSRC_BCM1480 813217dd11eSRalf Baechle bool 814217dd11eSRalf Baechle 815940f6b48SRalf Baechleconfig CSRC_R4K 816940f6b48SRalf Baechle bool 817940f6b48SRalf Baechle 818217dd11eSRalf Baechleconfig CSRC_SB1250 819217dd11eSRalf Baechle bool 820217dd11eSRalf Baechle 821df78b5c8SAurelien Jarnoconfig CFE 822df78b5c8SAurelien Jarno bool 823df78b5c8SAurelien Jarno 8241da177e4SLinus Torvaldsconfig DMA_COHERENT 8251da177e4SLinus Torvalds bool 8261da177e4SLinus Torvalds 8271da177e4SLinus Torvaldsconfig DMA_IP27 8281da177e4SLinus Torvalds bool 8291da177e4SLinus Torvalds 8301da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8311da177e4SLinus Torvalds bool 8324ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8334ce588cdSRalf Baechle 8344ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8354ce588cdSRalf Baechle bool 8361da177e4SLinus Torvalds 8371da177e4SLinus Torvaldsconfig EARLY_PRINTK 83836a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 83936a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 84036a88530SRalf Baechle default y 84136a88530SRalf Baechle help 84236a88530SRalf Baechle This option enables special console drivers which allow the kernel 84336a88530SRalf Baechle to print messages very early in the bootup process. 84436a88530SRalf Baechle 84536a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 846490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 847490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 848490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 84936a88530SRalf Baechle unless you want to debug such a crash. 85036a88530SRalf Baechle 85136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8521da177e4SLinus Torvalds bool 8531da177e4SLinus Torvalds 854dbb74540SRalf Baechleconfig HOTPLUG_CPU 855dbb74540SRalf Baechle bool 856dbb74540SRalf Baechle default n 857dbb74540SRalf Baechle 8581da177e4SLinus Torvaldsconfig I8259 8591da177e4SLinus Torvalds bool 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvaldsconfig MIPS_BONITO64 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvaldsconfig MIPS_MSC 8651da177e4SLinus Torvalds bool 8661da177e4SLinus Torvalds 8671f21d2bdSBrian Murphyconfig MIPS_NILE4 8681f21d2bdSBrian Murphy bool 8691f21d2bdSBrian Murphy 8701da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8711da177e4SLinus Torvalds bool 8721da177e4SLinus Torvalds 873d388d685SMaciej W. Rozyckiconfig NO_IOPORT 874d388d685SMaciej W. Rozycki def_bool n 875d388d685SMaciej W. Rozycki 8768313da30SRalf Baechleconfig GENERIC_ISA_DMA 8778313da30SRalf Baechle bool 8788313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8798313da30SRalf Baechle 880aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 881aa414dffSRalf Baechle bool 8828313da30SRalf Baechle select GENERIC_ISA_DMA 883aa414dffSRalf Baechle 88409663335SYoichi Yuasaconfig GENERIC_GPIO 88509663335SYoichi Yuasa bool 88609663335SYoichi Yuasa 8875e83d430SRalf Baechle# 8883cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8895e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8905e83d430SRalf Baechle# choice statement should be more obvious to the user. 8915e83d430SRalf Baechle# 8925e83d430SRalf Baechlechoice 8935e83d430SRalf Baechle prompt "Endianess selection" 8941da177e4SLinus Torvalds help 8951da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8965e83d430SRalf Baechle byte order. These modes require different kernels and a different 8973cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8985e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8993dde6ad8SDavid Sterba one or the other endianness. 9005e83d430SRalf Baechle 9015e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 9025e83d430SRalf Baechle bool "Big endian" 9035e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9045e83d430SRalf Baechle 9055e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9065e83d430SRalf Baechle bool "Little endian" 9075e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9085e83d430SRalf Baechle help 9095e83d430SRalf Baechle 9105e83d430SRalf Baechleendchoice 9115e83d430SRalf Baechle 9122116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9132116245eSRalf Baechle bool 9142116245eSRalf Baechle 9155e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9165e83d430SRalf Baechle bool 9175e83d430SRalf Baechle 9185e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9195e83d430SRalf Baechle bool 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvaldsconfig IRQ_CPU 9221da177e4SLinus Torvalds bool 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9251da177e4SLinus Torvalds bool 9261da177e4SLinus Torvalds 9275e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9285e83d430SRalf Baechle bool 9295e83d430SRalf Baechle 9309267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9319267a30dSMarc St-Jean bool 9329267a30dSMarc St-Jean 9339267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9349267a30dSMarc St-Jean bool 9359267a30dSMarc St-Jean 9368420fd00SAtsushi Nemotoconfig IRQ_TXX9 9378420fd00SAtsushi Nemoto bool 9388420fd00SAtsushi Nemoto 939d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 940d5ab1a69SYoichi Yuasa bool 941d5ab1a69SYoichi Yuasa 9421da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9431da177e4SLinus Torvalds bool 9441da177e4SLinus Torvalds 945252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9461da177e4SLinus Torvalds bool 9471da177e4SLinus Torvalds 9489267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9499267a30dSMarc St-Jean bool 9509267a30dSMarc St-Jean 9511da177e4SLinus Torvaldsconfig MIPS_TX3927 9521da177e4SLinus Torvalds bool 9531da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9541da177e4SLinus Torvalds 955663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 956663c3d90Sthomas@koeller.dyndns.org bool 957663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 958663c3d90Sthomas@koeller.dyndns.org 959bdf21b18SPete Popovconfig PNX8550 960bdf21b18SPete Popov bool 961bdf21b18SPete Popov select SOC_PNX8550 962bdf21b18SPete Popov 963bdf21b18SPete Popovconfig SOC_PNX8550 964bdf21b18SPete Popov bool 965bdf21b18SPete Popov select DMA_NONCOHERENT 966bdf21b18SPete Popov select HW_HAS_PCI 967b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 96836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9697cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 970e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 971cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9724ead1681SFlorian Fainelli select GENERIC_GPIO 973bdf21b18SPete Popov 9741da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9751da177e4SLinus Torvalds bool 9761da177e4SLinus Torvalds 977355c471fSdmitry pervushinconfig EMMA2RH 978355c471fSdmitry pervushin bool 979355c471fSdmitry pervushin depends on MARKEINS 980355c471fSdmitry pervushin default y 981355c471fSdmitry pervushin 982663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 983663c3d90Sthomas@koeller.dyndns.org bool 984663c3d90Sthomas@koeller.dyndns.org 985e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 986e2defae5SThomas Bogendoerfer bool 987e2defae5SThomas Bogendoerfer 988e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 989e2defae5SThomas Bogendoerfer bool 990e2defae5SThomas Bogendoerfer 991e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 992e2defae5SThomas Bogendoerfer bool 993e2defae5SThomas Bogendoerfer 994e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 995e2defae5SThomas Bogendoerfer bool 996e2defae5SThomas Bogendoerfer 997e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 998e2defae5SThomas Bogendoerfer bool 999e2defae5SThomas Bogendoerfer 1000e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1001e2defae5SThomas Bogendoerfer bool 1002e2defae5SThomas Bogendoerfer 1003e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1004e2defae5SThomas Bogendoerfer bool 1005e2defae5SThomas Bogendoerfer 10065e83d430SRalf Baechleconfig ARC32 10075e83d430SRalf Baechle bool 10085e83d430SRalf Baechle 1009231a35d3SThomas Bogendoerferconfig SNIPROM 1010231a35d3SThomas Bogendoerfer bool 1011231a35d3SThomas Bogendoerfer 10121da177e4SLinus Torvaldsconfig BOOT_ELF32 10131da177e4SLinus Torvalds bool 10141da177e4SLinus Torvalds 10151da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10161da177e4SLinus Torvalds int 101706cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 1018e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 10199267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 10201da177e4SLinus Torvalds default "5" 10211da177e4SLinus Torvalds 10221da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10231da177e4SLinus Torvalds bool 10241da177e4SLinus Torvalds 10251da177e4SLinus Torvaldsconfig ARC_CONSOLE 10261da177e4SLinus Torvalds bool "ARC console support" 1027e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10281da177e4SLinus Torvalds 10291da177e4SLinus Torvaldsconfig ARC_MEMORY 10301da177e4SLinus Torvalds bool 103114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10321da177e4SLinus Torvalds default y 10331da177e4SLinus Torvalds 10341da177e4SLinus Torvaldsconfig ARC_PROMLIB 10351da177e4SLinus Torvalds bool 1036e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10371da177e4SLinus Torvalds default y 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvaldsconfig ARC64 10401da177e4SLinus Torvalds bool 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvaldsconfig BOOT_ELF64 10431da177e4SLinus Torvalds bool 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvaldsmenu "CPU selection" 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvaldschoice 10481da177e4SLinus Torvalds prompt "CPU type" 10491da177e4SLinus Torvalds default CPU_R4X00 10501da177e4SLinus Torvalds 10512a21c730SFuxin Zhangconfig CPU_LOONGSON2 10522a21c730SFuxin Zhang bool "Loongson 2" 10532a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10542a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10552a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10562a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10572a21c730SFuxin Zhang help 10582a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10592a21c730SFuxin Zhang with many extensions. 10602a21c730SFuxin Zhang 10616e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10626e760c8dSRalf Baechle bool "MIPS32 Release 1" 10637cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1064f7062ddbSRalf Baechle select CPU_HAS_LLSC 10656e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1066797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1067ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10686e760c8dSRalf Baechle help 10695e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10701e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10711e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10721e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10731e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10741e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10751e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10761e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10771e5f1caaSRalf Baechle performance. 10781e5f1caaSRalf Baechle 10791e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10801e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10817cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1082f7062ddbSRalf Baechle select CPU_HAS_LLSC 10831e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1084797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1085ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10861e5f1caaSRalf Baechle help 10875e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10886e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10896e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10906e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10916e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10921da177e4SLinus Torvalds 10936e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10946e760c8dSRalf Baechle bool "MIPS64 Release 1" 10957cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1096f7062ddbSRalf Baechle select CPU_HAS_LLSC 1097797798c1SRalf Baechle select CPU_HAS_PREFETCH 1098ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1099ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1100ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11016e760c8dSRalf Baechle help 11026e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 11036e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11046e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11056e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11066e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11071e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11081e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11091e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11101e5f1caaSRalf Baechle performance. 11111e5f1caaSRalf Baechle 11121e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11131e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1115f7062ddbSRalf Baechle select CPU_HAS_LLSC 1116797798c1SRalf Baechle select CPU_HAS_PREFETCH 11171e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11181e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1119ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11201e5f1caaSRalf Baechle help 11211e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11221e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11231e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11241e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11251e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11261da177e4SLinus Torvalds 11271da177e4SLinus Torvaldsconfig CPU_R3000 11281da177e4SLinus Torvalds bool "R3000" 11297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1130f7062ddbSRalf Baechle select CPU_HAS_WB 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1132797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11331da177e4SLinus Torvalds help 11341da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11351da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11361da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11371da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11381da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11391da177e4SLinus Torvalds try to recompile with R3000. 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvaldsconfig CPU_TX39XX 11421da177e4SLinus Torvalds bool "R39XX" 11437cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11451da177e4SLinus Torvalds 11461da177e4SLinus Torvaldsconfig CPU_VR41XX 11471da177e4SLinus Torvalds bool "R41xx" 11487cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1149ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1150ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11511da177e4SLinus Torvalds help 11525e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11531da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11541da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11551da177e4SLinus Torvalds processor or vice versa. 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvaldsconfig CPU_R4300 11581da177e4SLinus Torvalds bool "R4300" 11597cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1160f7062ddbSRalf Baechle select CPU_HAS_LLSC 1161ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1162ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11631da177e4SLinus Torvalds help 11641da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvaldsconfig CPU_R4X00 11671da177e4SLinus Torvalds bool "R4x00" 11687cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1169f7062ddbSRalf Baechle select CPU_HAS_LLSC 1170ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1171ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11721da177e4SLinus Torvalds help 11731da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11741da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvaldsconfig CPU_TX49XX 11771da177e4SLinus Torvalds bool "R49XX" 11787cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1179f7062ddbSRalf Baechle select CPU_HAS_LLSC 1180de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1181ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvaldsconfig CPU_R5000 11851da177e4SLinus Torvalds bool "R5000" 11867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1187f7062ddbSRalf Baechle select CPU_HAS_LLSC 1188ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1189ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11901da177e4SLinus Torvalds help 11911da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvaldsconfig CPU_R5432 11941da177e4SLinus Torvalds bool "R5432" 11957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1196f7062ddbSRalf Baechle select CPU_HAS_LLSC 11975e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11985e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11991da177e4SLinus Torvalds 12001da177e4SLinus Torvaldsconfig CPU_R6000 12011da177e4SLinus Torvalds bool "R6000" 1202ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1203f7062ddbSRalf Baechle select CPU_HAS_LLSC 12047cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1205ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12061da177e4SLinus Torvalds help 12071da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1208c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig CPU_NEVADA 12111da177e4SLinus Torvalds bool "RM52xx" 12127cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1213f7062ddbSRalf Baechle select CPU_HAS_LLSC 1214ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12161da177e4SLinus Torvalds help 12171da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvaldsconfig CPU_R8000 12201da177e4SLinus Torvalds bool "R8000" 1221ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12227cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1223f7062ddbSRalf Baechle select CPU_HAS_LLSC 12245e83d430SRalf Baechle select CPU_HAS_PREFETCH 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12261da177e4SLinus Torvalds help 12271da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12281da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvaldsconfig CPU_R10000 12311da177e4SLinus Torvalds bool "R10000" 12327cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1233f7062ddbSRalf Baechle select CPU_HAS_LLSC 12345e83d430SRalf Baechle select CPU_HAS_PREFETCH 1235ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1236ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1237797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12381da177e4SLinus Torvalds help 12391da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12401da177e4SLinus Torvalds 12411da177e4SLinus Torvaldsconfig CPU_RM7000 12421da177e4SLinus Torvalds bool "RM7000" 12437cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1244f7062ddbSRalf Baechle select CPU_HAS_LLSC 12455e83d430SRalf Baechle select CPU_HAS_PREFETCH 1246ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1247ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1248797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12491da177e4SLinus Torvalds 12501da177e4SLinus Torvaldsconfig CPU_RM9000 12511da177e4SLinus Torvalds bool "RM9000" 12527cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1253f7062ddbSRalf Baechle select CPU_HAS_LLSC 12545e83d430SRalf Baechle select CPU_HAS_PREFETCH 1255ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1256ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1257797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12580004a9dfSRalf Baechle select WEAK_ORDERING 12591da177e4SLinus Torvalds 12601da177e4SLinus Torvaldsconfig CPU_SB1 12611da177e4SLinus Torvalds bool "SB1" 12627cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1263f7062ddbSRalf Baechle select CPU_HAS_LLSC 1264ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1265ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1266797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12670004a9dfSRalf Baechle select WEAK_ORDERING 12681da177e4SLinus Torvalds 12691da177e4SLinus Torvaldsendchoice 12701da177e4SLinus Torvalds 12712a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12722a21c730SFuxin Zhang bool 12732a21c730SFuxin Zhang 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 13047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 13057cf8053bSRalf Baechle bool 13067cf8053bSRalf Baechle 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13197cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13207cf8053bSRalf Baechle bool 13217cf8053bSRalf Baechle 13227cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13237cf8053bSRalf Baechle bool 13247cf8053bSRalf Baechle 13257cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13267cf8053bSRalf Baechle bool 13277cf8053bSRalf Baechle 13287cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13297cf8053bSRalf Baechle bool 13307cf8053bSRalf Baechle 133117099b11SRalf Baechle# 133217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 133317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 133417099b11SRalf Baechle# 13350004a9dfSRalf Baechleconfig WEAK_ORDERING 13360004a9dfSRalf Baechle bool 133717099b11SRalf Baechle 133817099b11SRalf Baechle# 133917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 134017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 134117099b11SRalf Baechle# 134217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 134317099b11SRalf Baechle bool 13445e83d430SRalf Baechleendmenu 13455e83d430SRalf Baechle 13465e83d430SRalf Baechle# 13475e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13485e83d430SRalf Baechle# 13495e83d430SRalf Baechleconfig CPU_MIPS32 13505e83d430SRalf Baechle bool 13515e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13525e83d430SRalf Baechle 13535e83d430SRalf Baechleconfig CPU_MIPS64 13545e83d430SRalf Baechle bool 13555e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13565e83d430SRalf Baechle 13575e83d430SRalf Baechle# 1358c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13595e83d430SRalf Baechle# 13605e83d430SRalf Baechleconfig CPU_MIPSR1 13615e83d430SRalf Baechle bool 13625e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13635e83d430SRalf Baechle 13645e83d430SRalf Baechleconfig CPU_MIPSR2 13655e83d430SRalf Baechle bool 13665e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13675e83d430SRalf Baechle 13685e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13695e83d430SRalf Baechle bool 13705e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13715e83d430SRalf Baechle bool 13725e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13735e83d430SRalf Baechle bool 13745e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13755e83d430SRalf Baechle bool 13765e83d430SRalf Baechle 13775e83d430SRalf Baechlemenu "Kernel type" 13785e83d430SRalf Baechle 13795e83d430SRalf Baechlechoice 13805e83d430SRalf Baechle 13815e83d430SRalf Baechle prompt "Kernel code model" 13825e83d430SRalf Baechle help 13835e83d430SRalf Baechle You should only select this option if you have a workload that 13845e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13855e83d430SRalf Baechle large memory. You will only be presented a single option in this 13865e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13875e83d430SRalf Baechle 13885e83d430SRalf Baechleconfig 32BIT 13895e83d430SRalf Baechle bool "32-bit kernel" 13905e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13915e83d430SRalf Baechle select TRAD_SIGNALS 13925e83d430SRalf Baechle help 13935e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13945e83d430SRalf Baechleconfig 64BIT 13955e83d430SRalf Baechle bool "64-bit kernel" 13965e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13975e83d430SRalf Baechle help 13985e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13995e83d430SRalf Baechle 14005e83d430SRalf Baechleendchoice 14015e83d430SRalf Baechle 14021da177e4SLinus Torvaldschoice 14031da177e4SLinus Torvalds prompt "Kernel page size" 14041da177e4SLinus Torvalds default PAGE_SIZE_4KB 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14071da177e4SLinus Torvalds bool "4kB" 14081da177e4SLinus Torvalds help 14091da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14101da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14111da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14121da177e4SLinus Torvalds recommended for low memory systems. 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14151da177e4SLinus Torvalds bool "8kB" 14161da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14171da177e4SLinus Torvalds help 14181da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14191da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14201da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14211da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14221da177e4SLinus Torvalds compatibility of user applications. 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14251da177e4SLinus Torvalds bool "16kB" 1426714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14271da177e4SLinus Torvalds help 14281da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14291da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1430714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1431714bfad6SRalf Baechle Linux distribution to support this. 14321da177e4SLinus Torvalds 14331da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14341da177e4SLinus Torvalds bool "64kB" 14351da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14361da177e4SLinus Torvalds help 14371da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14381da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14391da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1440714bfad6SRalf Baechle writing this option is still high experimental. 14411da177e4SLinus Torvalds 14421da177e4SLinus Torvaldsendchoice 14431da177e4SLinus Torvalds 14441da177e4SLinus Torvaldsconfig BOARD_SCACHE 14451da177e4SLinus Torvalds bool 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14481da177e4SLinus Torvalds bool 14491da177e4SLinus Torvalds select BOARD_SCACHE 14501da177e4SLinus Torvalds 14519318c51aSChris Dearman# 14529318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14539318c51aSChris Dearman# 14549318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14559318c51aSChris Dearman bool 14569318c51aSChris Dearman select BOARD_SCACHE 14579318c51aSChris Dearman 14581da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14591da177e4SLinus Torvalds bool 14601da177e4SLinus Torvalds select BOARD_SCACHE 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14631da177e4SLinus Torvalds bool 14641da177e4SLinus Torvalds select BOARD_SCACHE 14651da177e4SLinus Torvalds 14661da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14671da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14681da177e4SLinus Torvalds depends on CPU_SB1 14691da177e4SLinus Torvalds help 14701da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14711da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14721da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1475c8094b53SRalf Baechle bool 14761da177e4SLinus Torvalds 1477340ee4b9SRalf Baechlechoice 1478340ee4b9SRalf Baechle prompt "MIPS MT options" 1479f41ae0b2SRalf Baechle 1480f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1481f41ae0b2SRalf Baechle bool "Disable multithreading support." 1482f41ae0b2SRalf Baechle help 1483f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1484f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1485f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1486f41ae0b2SRalf Baechle option in this menu. 1487340ee4b9SRalf Baechle 148859d6ab86SRalf Baechleconfig MIPS_MT_SMP 148959d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 149059d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 149159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1492d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 149359d6ab86SRalf Baechle select MIPS_MT 1494f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 149559d6ab86SRalf Baechle select SMP 14960ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 149759d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 149887353d8aSRalf Baechle select SMP_UP 149959d6ab86SRalf Baechle help 150059d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 150159d6ab86SRalf Baechle has been marketesed into SMVP. 150259d6ab86SRalf Baechle 150341c594abSRalf Baechleconfig MIPS_MT_SMTC 150441c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1505f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1506f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1507f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1508ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1509f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1510d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1511f41ae0b2SRalf Baechle select MIPS_MT 1512130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 151341c594abSRalf Baechle select SMP 151473b76c78SRalf Baechle select SYS_SUPPORTS_SMP 151587353d8aSRalf Baechle select SMP_UP 1516f41ae0b2SRalf Baechle help 1517f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1518f41ae0b2SRalf Baechle marketesed into SMVP. 151941c594abSRalf Baechle 1520340ee4b9SRalf Baechleendchoice 1521340ee4b9SRalf Baechle 1522f41ae0b2SRalf Baechleconfig MIPS_MT 1523f41ae0b2SRalf Baechle bool 1524f41ae0b2SRalf Baechle 15250ab7aefcSRalf Baechleconfig SCHED_SMT 15260ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15270ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15280ab7aefcSRalf Baechle default n 15290ab7aefcSRalf Baechle help 15300ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15310ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15320ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15330ab7aefcSRalf Baechle 15340ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15350ab7aefcSRalf Baechle bool 15360ab7aefcSRalf Baechle 15370ab7aefcSRalf Baechle 1538f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1539f41ae0b2SRalf Baechle bool 1540f41ae0b2SRalf Baechle 1541f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1542f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1543f088fc84SRalf Baechle default y 154407cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 154507cc0c9eSRalf Baechle 154607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 154707cc0c9eSRalf Baechle bool "VPE loader support." 154807cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 154907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 155007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 155107cc0c9eSRalf Baechle select MIPS_MT 155207cc0c9eSRalf Baechle help 155307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 155407cc0c9eSRalf Baechle onto another VPE and running it. 1555f088fc84SRalf Baechle 1556ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1557ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1558619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1559ac8be955SRalf Baechle default y 1560ac8be955SRalf Baechle help 1561ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1562ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1563ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1564ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1565ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1566ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1567ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1568ac8be955SRalf Baechle heavy I/O interrupt load. 1569ac8be955SRalf Baechle 15700db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15710db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15720db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15730db34215SKevin D. Kissell default y 15740db34215SKevin D. Kissell help 15750db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15760db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15770db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15780db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15790db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15800db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15810db34215SKevin D. Kissell what you are doing. 15820db34215SKevin D. Kissell 1583f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1584f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1585f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1586f571eff0SKevin D. Kissell default n 1587f571eff0SKevin D. Kissell help 1588f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1589f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1590f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1591f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1592f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1593f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1594f571eff0SKevin D. Kissell you are doing. 1595f571eff0SKevin D. Kissell 1596e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1597e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1598e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1599e01402b1SRalf Baechle default y 1600e01402b1SRalf Baechle help 1601e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1602e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1603e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1604e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1605e01402b1SRalf Baechle 1606e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1607e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1608e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1609e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16105e83d430SRalf Baechle help 1611e01402b1SRalf Baechle 16122600990eSRalf Baechleconfig MIPS_APSP_KSPD 16132600990eSRalf Baechle bool "Enable KSPD" 16142600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16152600990eSRalf Baechle default y 16162600990eSRalf Baechle help 16172600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16182600990eSRalf Baechle side, actions them and returns the results. It also handles the 16192600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16202600990eSRalf Baechle exiting. You probably want to say yes here. 16212600990eSRalf Baechle 16221da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16231da177e4SLinus Torvalds bool 16241da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16251da177e4SLinus Torvalds default y 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16281da177e4SLinus Torvalds bool 16291da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16301da177e4SLinus Torvalds default y 16311da177e4SLinus Torvalds 16321da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16331da177e4SLinus Torvalds bool 16341da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16351da177e4SLinus Torvalds default y 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1638d806cb2bSRalf Baechle bool 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1641f7062ddbSRalf Baechle bool 16421da177e4SLinus Torvalds 16439693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16449693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16459693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16469693a853SFranck Bui-Huu help 16479693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16489693a853SFranck Bui-Huu increased security at both hardware and software level for 16499693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16509693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16519693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16529693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16539693a853SFranck Bui-Huu here. 16549693a853SFranck Bui-Huu 16551da177e4SLinus Torvaldsconfig CPU_HAS_WB 1656f7062ddbSRalf Baechle bool 1657e01402b1SRalf Baechle 1658f41ae0b2SRalf Baechle# 1659f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1660f41ae0b2SRalf Baechle# 1661e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1662f41ae0b2SRalf Baechle bool 1663e01402b1SRalf Baechle 1664f41ae0b2SRalf Baechle# 1665f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1666f41ae0b2SRalf Baechle# 1667e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1668f41ae0b2SRalf Baechle bool 1669e01402b1SRalf Baechle 16701da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16711da177e4SLinus Torvalds bool 16721da177e4SLinus Torvalds depends on !CPU_R3000 16731da177e4SLinus Torvalds default y 16741da177e4SLinus Torvalds 1675ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1676ea580401SRalf Baechle bool 1677ea580401SRalf Baechle 16781da177e4SLinus Torvalds# 167920d60d99SMaciej W. Rozycki# CPU non-features 168020d60d99SMaciej W. Rozycki# 168120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 168220d60d99SMaciej W. Rozycki bool 168320d60d99SMaciej W. Rozycki 168420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 168520d60d99SMaciej W. Rozycki bool 168620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168720d60d99SMaciej W. Rozycki 168820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 168920d60d99SMaciej W. Rozycki bool 169020d60d99SMaciej W. Rozycki 169120d60d99SMaciej W. Rozycki# 1692797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1693797798c1SRalf Baechle# 1694797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1695797798c1SRalf Baechle bool 1696797798c1SRalf Baechle default y 1697797798c1SRalf Baechle 1698797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1699797798c1SRalf Baechle bool 1700797798c1SRalf Baechle default y 1701797798c1SRalf Baechle 17020d7012a9SIngo Molnarconfig IRQ_PER_CPU 17030d7012a9SIngo Molnar bool 17040d7012a9SIngo Molnar 1705797798c1SRalf Baechle# 17061da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17071da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17081da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17091da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17101da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17111da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17121da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17131da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1714797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1715797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1716797798c1SRalf Baechle# support. 17171da177e4SLinus Torvalds# 17181da177e4SLinus Torvaldsconfig HIGHMEM 17191da177e4SLinus Torvalds bool "High Memory Support" 1720797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1721797798c1SRalf Baechle 1722797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1723797798c1SRalf Baechle bool 1724797798c1SRalf Baechle 1725797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1726797798c1SRalf Baechle bool 17271da177e4SLinus Torvalds 17289693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17299693a853SFranck Bui-Huu bool 17309693a853SFranck Bui-Huu 1731b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1732b4819b59SYoichi Yuasa def_bool y 1733b4819b59SYoichi Yuasa depends on !NUMA 1734b4819b59SYoichi Yuasa 1735d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1736d8cb4e11SRalf Baechle bool 1737d8cb4e11SRalf Baechle default y if SGI_IP27 1738d8cb4e11SRalf Baechle help 17393dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1740d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1741d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1742d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1743d8cb4e11SRalf Baechle 1744cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1745cce335aeSRalf Baechle def_bool y 1746cce335aeSRalf Baechle 1747b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1748b1c6cd42SAtsushi Nemoto bool 17497de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 175031473747SAtsushi Nemoto 1751d8cb4e11SRalf Baechleconfig NUMA 1752d8cb4e11SRalf Baechle bool "NUMA Support" 1753d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1754d8cb4e11SRalf Baechle help 1755d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1756d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1757d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1758d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1759d8cb4e11SRalf Baechle disabled. 1760d8cb4e11SRalf Baechle 1761d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1762d8cb4e11SRalf Baechle bool 1763d8cb4e11SRalf Baechle 1764c80d79d7SYasunori Gotoconfig NODES_SHIFT 1765c80d79d7SYasunori Goto int 1766c80d79d7SYasunori Goto default "6" 1767c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1768c80d79d7SYasunori Goto 1769b4819b59SYoichi Yuasasource "mm/Kconfig" 1770b4819b59SYoichi Yuasa 17711da177e4SLinus Torvaldsconfig SMP 17721da177e4SLinus Torvalds bool "Multi-Processing support" 1773e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1774b4b30a5aSRalf Baechle select IRQ_PER_CPU 1775e73ea273SRalf Baechle help 17761da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17771da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17781da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17791da177e4SLinus Torvalds 17801da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17811da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17821da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17831da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17841da177e4SLinus Torvalds will run faster if you say N here. 17851da177e4SLinus Torvalds 17861da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17871da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17881da177e4SLinus Torvalds 17891da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 17901da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 17911da177e4SLinus Torvalds 17921da177e4SLinus Torvalds If you don't know what to do here, say N. 17931da177e4SLinus Torvalds 179487353d8aSRalf Baechleconfig SMP_UP 179587353d8aSRalf Baechle bool 179687353d8aSRalf Baechle 1797e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1798e73ea273SRalf Baechle bool 1799e73ea273SRalf Baechle 180072ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 180172ede9b1SAtsushi Nemoto bool 180272ede9b1SAtsushi Nemoto 1803130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1804130e2fb7SRalf Baechle bool 1805130e2fb7SRalf Baechle 1806130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1807130e2fb7SRalf Baechle bool 1808130e2fb7SRalf Baechle 1809130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1810130e2fb7SRalf Baechle bool 1811130e2fb7SRalf Baechle 1812130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1813130e2fb7SRalf Baechle bool 1814130e2fb7SRalf Baechle 1815130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1816130e2fb7SRalf Baechle bool 1817130e2fb7SRalf Baechle 1818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1819130e2fb7SRalf Baechle bool 1820130e2fb7SRalf Baechle 18211da177e4SLinus Torvaldsconfig NR_CPUS 18221da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 182372ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18241da177e4SLinus Torvalds depends on SMP 182572ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1826130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1827130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1828130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1829130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1830130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1831130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18321da177e4SLinus Torvalds help 18331da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18341da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18351da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 183672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 183772ede9b1SAtsushi Nemoto and 2 for all others. 18381da177e4SLinus Torvalds 18391da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 184072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 184172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 184272ede9b1SAtsushi Nemoto power of two. 18431da177e4SLinus Torvalds 1844c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1845c4eee283SAtsushi Nemoto 18461723b4a3SAtsushi Nemoto# 18471723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18481723b4a3SAtsushi Nemoto# 18491723b4a3SAtsushi Nemoto 18501723b4a3SAtsushi Nemotochoice 18511723b4a3SAtsushi Nemoto prompt "Timer frequency" 18521723b4a3SAtsushi Nemoto default HZ_250 18531723b4a3SAtsushi Nemoto help 18541723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemoto config HZ_48 18571723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18581723b4a3SAtsushi Nemoto 18591723b4a3SAtsushi Nemoto config HZ_100 18601723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemoto config HZ_128 18631723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemoto config HZ_250 18661723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemoto config HZ_256 18691723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18701723b4a3SAtsushi Nemoto 18711723b4a3SAtsushi Nemoto config HZ_1000 18721723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18731723b4a3SAtsushi Nemoto 18741723b4a3SAtsushi Nemoto config HZ_1024 18751723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18761723b4a3SAtsushi Nemoto 18771723b4a3SAtsushi Nemotoendchoice 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18801723b4a3SAtsushi Nemoto bool 18811723b4a3SAtsushi Nemoto 18821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18831723b4a3SAtsushi Nemoto bool 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18861723b4a3SAtsushi Nemoto bool 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18891723b4a3SAtsushi Nemoto bool 18901723b4a3SAtsushi Nemoto 18911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18921723b4a3SAtsushi Nemoto bool 18931723b4a3SAtsushi Nemoto 18941723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18951723b4a3SAtsushi Nemoto bool 18961723b4a3SAtsushi Nemoto 18971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18981723b4a3SAtsushi Nemoto bool 18991723b4a3SAtsushi Nemoto 19001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19011723b4a3SAtsushi Nemoto bool 19021723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19031723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19041723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19051723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19061723b4a3SAtsushi Nemoto 19071723b4a3SAtsushi Nemotoconfig HZ 19081723b4a3SAtsushi Nemoto int 19091723b4a3SAtsushi Nemoto default 48 if HZ_48 19101723b4a3SAtsushi Nemoto default 100 if HZ_100 19111723b4a3SAtsushi Nemoto default 128 if HZ_128 19121723b4a3SAtsushi Nemoto default 250 if HZ_250 19131723b4a3SAtsushi Nemoto default 256 if HZ_256 19141723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19151723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19161723b4a3SAtsushi Nemoto 1917e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19181da177e4SLinus Torvalds 19191da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19201da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1921875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19221da177e4SLinus Torvalds help 19231da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19241da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19251da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19261da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19271da177e4SLinus Torvalds recommended for normal users. 19281da177e4SLinus Torvalds 1929ea6e942bSAtsushi Nemotoconfig KEXEC 1930ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1931ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1932ea6e942bSAtsushi Nemoto help 1933ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1934ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19353dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1936ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1937ea6e942bSAtsushi Nemoto 193801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1939ea6e942bSAtsushi Nemoto 1940ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1941ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1942ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1943ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1944ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1945ea6e942bSAtsushi Nemoto 1946ea6e942bSAtsushi Nemotoconfig SECCOMP 1947ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1948293c5bd1SRalf Baechle depends on PROC_FS 1949ea6e942bSAtsushi Nemoto default y 1950ea6e942bSAtsushi Nemoto help 1951ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1952ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1953ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1954ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1955ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1956ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1957ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1958ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1959ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1960ea6e942bSAtsushi Nemoto 1961ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1962ea6e942bSAtsushi Nemoto 19635e83d430SRalf Baechleendmenu 19645e83d430SRalf Baechle 19651da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19661da177e4SLinus Torvalds bool 19671da177e4SLinus Torvalds default y 19681da177e4SLinus Torvalds 19691df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19701df0f0ffSAtsushi Nemoto bool 19711df0f0ffSAtsushi Nemoto default y 19721df0f0ffSAtsushi Nemoto 19731df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19741df0f0ffSAtsushi Nemoto bool 19751df0f0ffSAtsushi Nemoto default y 19761df0f0ffSAtsushi Nemoto 1977b6c3539bSRalf Baechlesource "init/Kconfig" 1978b6c3539bSRalf Baechle 19791da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19801da177e4SLinus Torvalds 19815e83d430SRalf Baechleconfig HW_HAS_EISA 19825e83d430SRalf Baechle bool 19831da177e4SLinus Torvaldsconfig HW_HAS_PCI 19841da177e4SLinus Torvalds bool 19851da177e4SLinus Torvalds 19861da177e4SLinus Torvaldsconfig PCI 19871da177e4SLinus Torvalds bool "Support for PCI controller" 19881da177e4SLinus Torvalds depends on HW_HAS_PCI 1989abb4ae46SRalf Baechle select PCI_DOMAINS 19901da177e4SLinus Torvalds help 19911da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19921da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19931da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19941da177e4SLinus Torvalds say Y, otherwise N. 19951da177e4SLinus Torvalds 19961da177e4SLinus Torvalds The PCI-HOWTO, available from 19971da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 19981da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 19991da177e4SLinus Torvalds doesn't. 20001da177e4SLinus Torvalds 20011da177e4SLinus Torvaldsconfig PCI_DOMAINS 20021da177e4SLinus Torvalds bool 20031da177e4SLinus Torvalds 20041da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20051da177e4SLinus Torvalds 20061da177e4SLinus Torvalds# 20071da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20081da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20091da177e4SLinus Torvalds# users to choose the right thing ... 20101da177e4SLinus Torvalds# 20111da177e4SLinus Torvaldsconfig ISA 20121da177e4SLinus Torvalds bool 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvaldsconfig EISA 20151da177e4SLinus Torvalds bool "EISA support" 20165e83d430SRalf Baechle depends on HW_HAS_EISA 20171da177e4SLinus Torvalds select ISA 2018aa414dffSRalf Baechle select GENERIC_ISA_DMA 20191da177e4SLinus Torvalds ---help--- 20201da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20211da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20241da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20251da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20261da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvalds Otherwise, say N. 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvaldsconfig TC 20351da177e4SLinus Torvalds bool "TURBOchannel support" 20361da177e4SLinus Torvalds depends on MACH_DECSTATION 20371da177e4SLinus Torvalds help 20381da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20391da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20401da177e4SLinus Torvalds is available at: 20411da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvalds#config ACCESSBUS 20441da177e4SLinus Torvalds# bool "Access.Bus support" 20451da177e4SLinus Torvalds# depends on TC 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvaldsconfig MMU 20481da177e4SLinus Torvalds bool 20491da177e4SLinus Torvalds default y 20501da177e4SLinus Torvalds 2051d865bea4SRalf Baechleconfig I8253 2052d865bea4SRalf Baechle bool 2053d865bea4SRalf Baechle 2054cce335aeSRalf Baechleconfig ZONE_DMA32 2055cce335aeSRalf Baechle bool 2056cce335aeSRalf Baechle 20571da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsendmenu 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvaldsmenu "Executable file formats" 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20681da177e4SLinus Torvalds bool 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvaldsconfig BINFMT_IRIX 20711da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20725e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20751da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2076875d43e7SRalf Baechle depends on 64BIT 20771da177e4SLinus Torvalds help 20781da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20791da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20801da177e4SLinus Torvalds currently 32-bit you should say Y here. 20811da177e4SLinus Torvalds 20821da177e4SLinus Torvaldsconfig COMPAT 20831da177e4SLinus Torvalds bool 20841da177e4SLinus Torvalds depends on MIPS32_COMPAT 20851da177e4SLinus Torvalds default y 20861da177e4SLinus Torvalds 208705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 208805e43966SAtsushi Nemoto bool 208905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 209005e43966SAtsushi Nemoto default y 209105e43966SAtsushi Nemoto 20921da177e4SLinus Torvaldsconfig MIPS32_O32 20931da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20941da177e4SLinus Torvalds depends on MIPS32_COMPAT 20951da177e4SLinus Torvalds help 20961da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20971da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20981da177e4SLinus Torvalds existing binaries are in this format. 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvalds If unsure, say Y. 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvaldsconfig MIPS32_N32 21031da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21041da177e4SLinus Torvalds depends on MIPS32_COMPAT 21051da177e4SLinus Torvalds help 21061da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21071da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21081da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21091da177e4SLinus Torvalds cases. 21101da177e4SLinus Torvalds 21111da177e4SLinus Torvalds If unsure, say N. 21121da177e4SLinus Torvalds 21131da177e4SLinus Torvaldsconfig BINFMT_ELF32 21141da177e4SLinus Torvalds bool 21151da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21161da177e4SLinus Torvalds 21172116245eSRalf Baechleendmenu 21181da177e4SLinus Torvalds 21192116245eSRalf Baechlemenu "Power management options" 2120952fa954SRodolfo Giometti 21212116245eSRalf Baechlesource "kernel/power/Kconfig" 2122952fa954SRodolfo Giometti 21231da177e4SLinus Torvaldsendmenu 21241da177e4SLinus Torvalds 2125d5950b43SSam Ravnborgsource "net/Kconfig" 2126d5950b43SSam Ravnborg 21271da177e4SLinus Torvaldssource "drivers/Kconfig" 21281da177e4SLinus Torvalds 21291da177e4SLinus Torvaldssource "fs/Kconfig" 21301da177e4SLinus Torvalds 213109cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 21325e83d430SRalf Baechle 21331da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvaldssource "security/Kconfig" 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldssource "crypto/Kconfig" 21381da177e4SLinus Torvalds 21391da177e4SLinus Torvaldssource "lib/Kconfig" 2140