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 19342f77542SRalf Baechle select CEVT_R4K 194940f6b48SRalf Baechle select CSRC_R4K 1951da177e4SLinus Torvalds select DMA_NONCOHERENT 19636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1975e83d430SRalf Baechle select IRQ_CPU 1981da177e4SLinus Torvalds select HW_HAS_PCI 1995e83d430SRalf Baechle select MIPS_BOARDS_GEN 2005e83d430SRalf Baechle select MIPS_BONITO64 201252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2025e83d430SRalf Baechle select MIPS_MSC 203f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 2041da177e4SLinus Torvalds select SWAP_IO_SPACE 2057cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2067cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2077cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2087cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2097cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 210ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 214f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 2159693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 216e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 2171da177e4SLinus Torvalds help 218f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2191da177e4SLinus Torvalds board. 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvaldsconfig MIPS_MALTA 2223fa986faSMartin Michlmayr bool "MIPS Malta board" 22361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2241da177e4SLinus Torvalds select BOOT_ELF32 22542f77542SRalf Baechle select CEVT_R4K 226940f6b48SRalf Baechle select CSRC_R4K 2271da177e4SLinus Torvalds select DMA_NONCOHERENT 2281da177e4SLinus Torvalds select GENERIC_ISA_DMA 229aa414dffSRalf Baechle select IRQ_CPU 2301da177e4SLinus Torvalds select HW_HAS_PCI 231d865bea4SRalf Baechle select I8253 2321da177e4SLinus Torvalds select I8259 2335e83d430SRalf Baechle select MIPS_BOARDS_GEN 2345e83d430SRalf Baechle select MIPS_BONITO64 2359318c51aSChris Dearman select MIPS_CPU_SCACHE 236252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2375e83d430SRalf Baechle select MIPS_MSC 2381da177e4SLinus Torvalds select SWAP_IO_SPACE 2397cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2407cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2417cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2427cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2437cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 24436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 245ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 246ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2475e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 249f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2509693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2511da177e4SLinus Torvalds help 252f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2531da177e4SLinus Torvalds board. 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvaldsconfig MIPS_SEAD 256d98cc84dSRalf Baechle bool "MIPS SEAD board" 25742f77542SRalf Baechle select CEVT_R4K 258940f6b48SRalf Baechle select CSRC_R4K 2591da177e4SLinus Torvalds select IRQ_CPU 2601da177e4SLinus Torvalds select DMA_NONCOHERENT 26136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2625e83d430SRalf Baechle select MIPS_BOARDS_GEN 2637cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2647cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2657cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 266ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2675e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2695e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2709693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 271f638d197SMaciej W. Rozycki help 272f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 273f638d197SMaciej W. Rozycki board. 2741da177e4SLinus Torvalds 275c78cbf49SRalf Baechleconfig MIPS_SIM 2763fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 27742f77542SRalf Baechle select CEVT_R4K 278940f6b48SRalf Baechle select CSRC_R4K 279c78cbf49SRalf Baechle select DMA_NONCOHERENT 28036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 281c78cbf49SRalf Baechle select IRQ_CPU 2829267a30dSMarc St-Jean select BOOT_RAW 2837cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2847cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 28536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 286c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 287c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 288f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 289c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 290c78cbf49SRalf Baechle help 291c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 292c78cbf49SRalf Baechle emulator. 293c78cbf49SRalf Baechle 294ade299d8SYoichi Yuasaconfig MARKEINS 295ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 29642f77542SRalf Baechle select CEVT_R4K 297940f6b48SRalf Baechle select CSRC_R4K 298ade299d8SYoichi Yuasa select DMA_NONCOHERENT 299ade299d8SYoichi Yuasa select HW_HAS_PCI 300ade299d8SYoichi Yuasa select IRQ_CPU 301ade299d8SYoichi Yuasa select SWAP_IO_SPACE 302ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 303ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 304ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 305ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 306ade299d8SYoichi Yuasa help 307ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 308ade299d8SYoichi Yuasa boards with R5500 CPU. 309ade299d8SYoichi Yuasa 3105e83d430SRalf Baechleconfig MACH_VR41XX 31174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 31242f77542SRalf Baechle select CEVT_R4K 313940f6b48SRalf Baechle select CSRC_R4K 3147cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 3159fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 3165e83d430SRalf Baechle 317ade299d8SYoichi Yuasaconfig PNX8550_JBS 318ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 319ade299d8SYoichi Yuasa select PNX8550 320ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 321ade299d8SYoichi Yuasa 322ade299d8SYoichi Yuasaconfig PNX8550_STB810 323ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 324ade299d8SYoichi Yuasa select PNX8550 325ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 326ade299d8SYoichi Yuasa 3279267a30dSMarc St-Jeanconfig PMC_MSP 3289267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3299267a30dSMarc St-Jean depends on EXPERIMENTAL 3309267a30dSMarc St-Jean select DMA_NONCOHERENT 3319267a30dSMarc St-Jean select SWAP_IO_SPACE 3329267a30dSMarc St-Jean select NO_EXCEPT_FILL 3339267a30dSMarc St-Jean select BOOT_RAW 3349267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3359267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3369267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3379267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3389267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3399267a30dSMarc St-Jean select IRQ_CPU 3409267a30dSMarc St-Jean select SERIAL_8250 3419267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3429267a30dSMarc St-Jean help 3439267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3449267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3459267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3469267a30dSMarc St-Jean a variety of MIPS cores. 3479267a30dSMarc St-Jean 3485e83d430SRalf Baechleconfig PMC_YOSEMITE 3493fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 35042f77542SRalf Baechle select CEVT_R4K 351940f6b48SRalf Baechle select CSRC_R4K 3525e83d430SRalf Baechle select DMA_COHERENT 3535e83d430SRalf Baechle select HW_HAS_PCI 3545e83d430SRalf Baechle select IRQ_CPU 3555e83d430SRalf Baechle select IRQ_CPU_RM7K 3565e83d430SRalf Baechle select IRQ_CPU_RM9K 3575e83d430SRalf Baechle select SWAP_IO_SPACE 3587cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 35936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3605e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3615e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3635e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 364cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 365e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3665e83d430SRalf Baechle help 3675e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3685e83d430SRalf Baechle manufactured by PMC-Sierra. 3691da177e4SLinus Torvalds 37007119621SRalf Baechleconfig QEMU 3713fa986faSMartin Michlmayr bool "Qemu" 37242f77542SRalf Baechle select CEVT_R4K 373940f6b48SRalf Baechle select CSRC_R4K 37407119621SRalf Baechle select DMA_COHERENT 37507119621SRalf Baechle select GENERIC_ISA_DMA 37607119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 377d865bea4SRalf Baechle select I8253 37807119621SRalf Baechle select I8259 3797bcf7717SRalf Baechle select IRQ_CPU 38007119621SRalf Baechle select ISA 38107119621SRalf Baechle select SWAP_IO_SPACE 3827cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 383a57c2289SRalf Baechle select SYS_HAS_EARLY_PRINTK 38407119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 38507119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 386c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 3879fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 38872ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 38972ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 39007119621SRalf Baechle help 39107119621SRalf Baechle Qemu is a software emulator which among other architectures also 39207119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 39307119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 39407119621SRalf Baechle will eventually be removed again when Qemu has the capability to 39507119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 39607119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 39707119621SRalf Baechle 3981da177e4SLinus Torvaldsconfig SGI_IP22 3993fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 4001da177e4SLinus Torvalds select ARC 4011da177e4SLinus Torvalds select ARC32 4021da177e4SLinus Torvalds select BOOT_ELF32 40342f77542SRalf Baechle select CEVT_R4K 404940f6b48SRalf Baechle select CSRC_R4K 405e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4061da177e4SLinus Torvalds select DMA_NONCOHERENT 4075e83d430SRalf Baechle select HW_HAS_EISA 408d865bea4SRalf Baechle select I8253 40968de4803SThomas Bogendoerfer select I8259 4101da177e4SLinus Torvalds select IP22_CPU_SCACHE 4111da177e4SLinus Torvalds select IRQ_CPU 412aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 413e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 414e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 415e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 416e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 417e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 418e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 4191da177e4SLinus Torvalds select SWAP_IO_SPACE 4207cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4217cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 42236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 423ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 424ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4255e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4261da177e4SLinus Torvalds help 4271da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4281da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4291da177e4SLinus Torvalds that runs on these, say Y here. 4301da177e4SLinus Torvalds 4311da177e4SLinus Torvaldsconfig SGI_IP27 4323fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4331da177e4SLinus Torvalds select ARC 4341da177e4SLinus Torvalds select ARC64 4355e83d430SRalf Baechle select BOOT_ELF64 436e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4371da177e4SLinus Torvalds select DMA_IP27 43836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4391da177e4SLinus Torvalds select HW_HAS_PCI 440130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4417cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 442ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 444cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 445d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4461a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 447e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 4481da177e4SLinus Torvalds help 4491da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4501da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4511da177e4SLinus Torvalds here. 4521da177e4SLinus Torvalds 453e2defae5SThomas Bogendoerferconfig SGI_IP28 454e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 455e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 456e2defae5SThomas Bogendoerfer select ARC 457e2defae5SThomas Bogendoerfer select ARC64 458e2defae5SThomas Bogendoerfer select BOOT_ELF64 459e2defae5SThomas Bogendoerfer select CEVT_R4K 460e2defae5SThomas Bogendoerfer select CSRC_R4K 461e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 462e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 463e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 464e2defae5SThomas Bogendoerfer select IRQ_CPU 465e2defae5SThomas Bogendoerfer select HW_HAS_EISA 466e2defae5SThomas Bogendoerfer select I8253 467e2defae5SThomas Bogendoerfer select I8259 468e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 469e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 470e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 471e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 472e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 473e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 474e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 475e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 476e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 477e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 478e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 479e2defae5SThomas Bogendoerfer help 480e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 481e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 482e2defae5SThomas Bogendoerfer 4831da177e4SLinus Torvaldsconfig SGI_IP32 484cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4851da177e4SLinus Torvalds select ARC 4861da177e4SLinus Torvalds select ARC32 4871da177e4SLinus Torvalds select BOOT_ELF32 48842f77542SRalf Baechle select CEVT_R4K 489940f6b48SRalf Baechle select CSRC_R4K 4901da177e4SLinus Torvalds select DMA_NONCOHERENT 4911da177e4SLinus Torvalds select HW_HAS_PCI 492dd67b155SRalf Baechle select IRQ_CPU 4931da177e4SLinus Torvalds select R5000_CPU_SCACHE 4941da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4957cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4967cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4977cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 498dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 499ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5005e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5011da177e4SLinus Torvalds help 5021da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 5031da177e4SLinus Torvalds 504ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 505ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 5065e83d430SRalf Baechle depends on EXPERIMENTAL 5075e83d430SRalf Baechle select BOOT_ELF32 5085e83d430SRalf Baechle select DMA_COHERENT 5095e83d430SRalf Baechle select SIBYTE_BCM1120 5105e83d430SRalf Baechle select SWAP_IO_SPACE 5117cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5145e83d430SRalf Baechle 515ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 516ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5175e83d430SRalf Baechle depends on EXPERIMENTAL 5185e83d430SRalf Baechle select BOOT_ELF32 5195e83d430SRalf Baechle select DMA_COHERENT 5205e83d430SRalf Baechle select SIBYTE_BCM1120 5215e83d430SRalf Baechle select SWAP_IO_SPACE 5227cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5255e83d430SRalf Baechle 5265e83d430SRalf Baechleconfig SIBYTE_CRHONE 5273fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5285e83d430SRalf Baechle depends on EXPERIMENTAL 5295e83d430SRalf Baechle select BOOT_ELF32 5305e83d430SRalf Baechle select DMA_COHERENT 5315e83d430SRalf Baechle select SIBYTE_BCM1125 5325e83d430SRalf Baechle select SWAP_IO_SPACE 5337cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5355e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5375e83d430SRalf Baechle 538ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 539ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 540ade299d8SYoichi Yuasa depends on EXPERIMENTAL 541ade299d8SYoichi Yuasa select BOOT_ELF32 542ade299d8SYoichi Yuasa select DMA_COHERENT 543ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 544ade299d8SYoichi Yuasa select SWAP_IO_SPACE 545ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 546ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 547ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 548ade299d8SYoichi Yuasa 549ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 550ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 551ade299d8SYoichi Yuasa select BOOT_ELF32 552ade299d8SYoichi Yuasa select DMA_COHERENT 553ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 554ade299d8SYoichi Yuasa select SIBYTE_SB1250 555ade299d8SYoichi Yuasa select SWAP_IO_SPACE 556ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 557ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 558ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 559ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 560ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 561cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 562ade299d8SYoichi Yuasa 563ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 564ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 565ade299d8SYoichi Yuasa depends on EXPERIMENTAL 566ade299d8SYoichi Yuasa select BOOT_ELF32 567ade299d8SYoichi Yuasa select DMA_COHERENT 568ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 569ade299d8SYoichi Yuasa select SIBYTE_SB1250 570ade299d8SYoichi Yuasa select SWAP_IO_SPACE 571ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 572ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 573ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 574ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 575ade299d8SYoichi Yuasa 576ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 577ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 578ade299d8SYoichi Yuasa depends on EXPERIMENTAL 579ade299d8SYoichi Yuasa select BOOT_ELF32 580ade299d8SYoichi Yuasa select DMA_COHERENT 581ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 582ade299d8SYoichi Yuasa select SIBYTE_SB1250 583ade299d8SYoichi Yuasa select SWAP_IO_SPACE 584ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 585ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 586ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 587ade299d8SYoichi Yuasa 588ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 589ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 590ade299d8SYoichi Yuasa select BOOT_ELF32 591ade299d8SYoichi Yuasa select DMA_COHERENT 592ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 593ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 594ade299d8SYoichi Yuasa select SWAP_IO_SPACE 595ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 596ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 597651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 598ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 599cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 600ade299d8SYoichi Yuasa 60114b36af4SThomas Bogendoerferconfig SNI_RM 60214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 6034a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 6044a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 605*231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 6065e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 6075e83d430SRalf Baechle select BOOT_ELF32 60842f77542SRalf Baechle select CEVT_R4K 609940f6b48SRalf Baechle select CSRC_R4K 610e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6115e83d430SRalf Baechle select DMA_NONCOHERENT 6125e83d430SRalf Baechle select GENERIC_ISA_DMA 6135e83d430SRalf Baechle select HW_HAS_EISA 6145e83d430SRalf Baechle select HW_HAS_PCI 615c066a32aSThomas Bogendoerfer select IRQ_CPU 616d865bea4SRalf Baechle select I8253 6175e83d430SRalf Baechle select I8259 6185e83d430SRalf Baechle select ISA 6194a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6207cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6214a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 622c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6234a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 62436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 625ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6265e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6274a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6285e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6301da177e4SLinus Torvalds help 63114b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 63214b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6335e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6345e83d430SRalf Baechle support this machine type. 6351da177e4SLinus Torvalds 6365e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6373fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 638229f773eSAtsushi Nemoto select CEVT_TXX9 6395e83d430SRalf Baechle select DMA_NONCOHERENT 6405e83d430SRalf Baechle select HW_HAS_PCI 6415e83d430SRalf Baechle select MIPS_TX3927 642c87abd75SAtsushi Nemoto select IRQ_TXX9 6435e83d430SRalf Baechle select SWAP_IO_SPACE 6447cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6455e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6466a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6475e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6482127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6495e83d430SRalf Baechle 6505e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 65108a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 65242f77542SRalf Baechle select CEVT_R4K 653940f6b48SRalf Baechle select CSRC_R4K 654229f773eSAtsushi Nemoto select CEVT_TXX9 6555e83d430SRalf Baechle select DMA_NONCOHERENT 6565e83d430SRalf Baechle select HAS_TXX9_SERIAL 6575e83d430SRalf Baechle select HW_HAS_PCI 658c87abd75SAtsushi Nemoto select IRQ_CPU 659c87abd75SAtsushi Nemoto select IRQ_TXX9 660c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6615e83d430SRalf Baechle select SWAP_IO_SPACE 6627cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6635e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6645e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6656a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 667cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6689fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6695e83d430SRalf Baechle help 6705e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6715e83d430SRalf Baechle support this machine type 6721da177e4SLinus Torvalds 67323fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6743fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 67542f77542SRalf Baechle select CEVT_R4K 676940f6b48SRalf Baechle select CSRC_R4K 677229f773eSAtsushi Nemoto select CEVT_TXX9 67823fbee9dSRalf Baechle select DMA_NONCOHERENT 67923fbee9dSRalf Baechle select HAS_TXX9_SERIAL 68023fbee9dSRalf Baechle select HW_HAS_PCI 681c87abd75SAtsushi Nemoto select IRQ_CPU 682c87abd75SAtsushi Nemoto select IRQ_TXX9 68323fbee9dSRalf Baechle select SWAP_IO_SPACE 6847cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 68523fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 68623fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 68723fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 688cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6899fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6903896b054SAtsushi Nemoto select GENERIC_GPIO 69123fbee9dSRalf Baechle help 69223fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 69323fbee9dSRalf Baechle support this machine type 69423fbee9dSRalf Baechle 695ade299d8SYoichi Yuasaconfig WR_PPMC 696ade299d8SYoichi Yuasa bool "Wind River PPMC board" 69742f77542SRalf Baechle select CEVT_R4K 698940f6b48SRalf Baechle select CSRC_R4K 699ade299d8SYoichi Yuasa select IRQ_CPU 700ade299d8SYoichi Yuasa select BOOT_ELF32 701ade299d8SYoichi Yuasa select DMA_NONCOHERENT 702ade299d8SYoichi Yuasa select HW_HAS_PCI 703ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 704ade299d8SYoichi Yuasa select SWAP_IO_SPACE 705ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 706ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 707ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 708ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 709ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 710ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 711ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 712ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 713ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 714ade299d8SYoichi Yuasa help 715ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 716ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 717ade299d8SYoichi Yuasa 7181da177e4SLinus Torvaldsendchoice 7191da177e4SLinus Torvalds 720c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 7215e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7221f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7235e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 72429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 72538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 7265e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 72723fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 7285e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 72938b18f72SRalf Baechle 7305e83d430SRalf Baechleendmenu 7315e83d430SRalf Baechle 7321da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7331da177e4SLinus Torvalds bool 7341da177e4SLinus Torvalds default y 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7371da177e4SLinus Torvalds bool 7381da177e4SLinus Torvalds 739f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 740f0d1b0b3SDavid Howells bool 741f0d1b0b3SDavid Howells default n 742f0d1b0b3SDavid Howells 743f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 744f0d1b0b3SDavid Howells bool 745f0d1b0b3SDavid Howells default n 746f0d1b0b3SDavid Howells 74700a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 74800a58253SRalf Baechle bool 74900a58253SRalf Baechle default y if !MIPS_MT_SMTC 75000a58253SRalf Baechle 7513c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7523c9ee7efSAkinobu Mita bool 7533c9ee7efSAkinobu Mita default y 7543c9ee7efSAkinobu Mita 7553c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7563c9ee7efSAkinobu Mita bool 7573c9ee7efSAkinobu Mita default y 7583c9ee7efSAkinobu Mita 7591da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7601da177e4SLinus Torvalds bool 7611da177e4SLinus Torvalds default y 7621da177e4SLinus Torvalds 7637bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7647bcf7717SRalf Baechle bool 7657bcf7717SRalf Baechle default y 7667bcf7717SRalf Baechle 7678db02010SRalf Baechleconfig GENERIC_TIME 7688db02010SRalf Baechle bool 7698db02010SRalf Baechle default y 7708db02010SRalf Baechle 771f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 772f5ff0a28SRalf Baechle bool 773f5ff0a28SRalf Baechle default y 774f5ff0a28SRalf Baechle 7751cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7761cc89038SAtsushi Nemoto bool 7771cc89038SAtsushi Nemoto default y 7781cc89038SAtsushi Nemoto 779e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 780e77c232cSFranck Bui-Huu bool 781e77c232cSFranck Bui-Huu default n 782e77c232cSFranck Bui-Huu 7831da177e4SLinus Torvalds# 7841da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7851da177e4SLinus Torvalds# 7861da177e4SLinus Torvaldsconfig ARC 7871da177e4SLinus Torvalds bool 7881da177e4SLinus Torvalds 78961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 79061ed242dSRalf Baechle bool 79161ed242dSRalf Baechle 7929267a30dSMarc St-Jeanconfig BOOT_RAW 7939267a30dSMarc St-Jean bool 7949267a30dSMarc St-Jean 795217dd11eSRalf Baechleconfig CEVT_BCM1480 796217dd11eSRalf Baechle bool 797217dd11eSRalf Baechle 7981097c6acSYoichi Yuasaconfig CEVT_GT641XX 7991097c6acSYoichi Yuasa bool 8001097c6acSYoichi Yuasa 80142f77542SRalf Baechleconfig CEVT_R4K 80242f77542SRalf Baechle bool 80342f77542SRalf Baechle 804217dd11eSRalf Baechleconfig CEVT_SB1250 805217dd11eSRalf Baechle bool 806217dd11eSRalf Baechle 807229f773eSAtsushi Nemotoconfig CEVT_TXX9 808229f773eSAtsushi Nemoto bool 809229f773eSAtsushi Nemoto 810217dd11eSRalf Baechleconfig CSRC_BCM1480 811217dd11eSRalf Baechle bool 812217dd11eSRalf Baechle 813940f6b48SRalf Baechleconfig CSRC_R4K 814940f6b48SRalf Baechle bool 815940f6b48SRalf Baechle 816217dd11eSRalf Baechleconfig CSRC_SB1250 817217dd11eSRalf Baechle bool 818217dd11eSRalf Baechle 819df78b5c8SAurelien Jarnoconfig CFE 820df78b5c8SAurelien Jarno bool 821df78b5c8SAurelien Jarno 8221da177e4SLinus Torvaldsconfig DMA_COHERENT 8231da177e4SLinus Torvalds bool 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvaldsconfig DMA_IP27 8261da177e4SLinus Torvalds bool 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8291da177e4SLinus Torvalds bool 8304ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8314ce588cdSRalf Baechle 8324ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8334ce588cdSRalf Baechle bool 8341da177e4SLinus Torvalds 8351da177e4SLinus Torvaldsconfig EARLY_PRINTK 83636a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 83736a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 83836a88530SRalf Baechle default y 83936a88530SRalf Baechle help 84036a88530SRalf Baechle This option enables special console drivers which allow the kernel 84136a88530SRalf Baechle to print messages very early in the bootup process. 84236a88530SRalf Baechle 84336a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 844490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 845490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 846490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 84736a88530SRalf Baechle unless you want to debug such a crash. 84836a88530SRalf Baechle 84936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8501da177e4SLinus Torvalds bool 8511da177e4SLinus Torvalds 852dbb74540SRalf Baechleconfig HOTPLUG_CPU 853dbb74540SRalf Baechle bool 854dbb74540SRalf Baechle default n 855dbb74540SRalf Baechle 8561da177e4SLinus Torvaldsconfig I8259 8571da177e4SLinus Torvalds bool 8581da177e4SLinus Torvalds 8591da177e4SLinus Torvaldsconfig MIPS_BONITO64 8601da177e4SLinus Torvalds bool 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvaldsconfig MIPS_MSC 8631da177e4SLinus Torvalds bool 8641da177e4SLinus Torvalds 8651f21d2bdSBrian Murphyconfig MIPS_NILE4 8661f21d2bdSBrian Murphy bool 8671f21d2bdSBrian Murphy 8681da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8691da177e4SLinus Torvalds bool 8701da177e4SLinus Torvalds 871d388d685SMaciej W. Rozyckiconfig NO_IOPORT 872d388d685SMaciej W. Rozycki def_bool n 873d388d685SMaciej W. Rozycki 8748313da30SRalf Baechleconfig GENERIC_ISA_DMA 8758313da30SRalf Baechle bool 8768313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8778313da30SRalf Baechle 878aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 879aa414dffSRalf Baechle bool 8808313da30SRalf Baechle select GENERIC_ISA_DMA 881aa414dffSRalf Baechle 88209663335SYoichi Yuasaconfig GENERIC_GPIO 88309663335SYoichi Yuasa bool 88409663335SYoichi Yuasa 8855e83d430SRalf Baechle# 8863cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8875e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8885e83d430SRalf Baechle# choice statement should be more obvious to the user. 8895e83d430SRalf Baechle# 8905e83d430SRalf Baechlechoice 8915e83d430SRalf Baechle prompt "Endianess selection" 8921da177e4SLinus Torvalds help 8931da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8945e83d430SRalf Baechle byte order. These modes require different kernels and a different 8953cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8965e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8973dde6ad8SDavid Sterba one or the other endianness. 8985e83d430SRalf Baechle 8995e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 9005e83d430SRalf Baechle bool "Big endian" 9015e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9025e83d430SRalf Baechle 9035e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9045e83d430SRalf Baechle bool "Little endian" 9055e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9065e83d430SRalf Baechle help 9075e83d430SRalf Baechle 9085e83d430SRalf Baechleendchoice 9095e83d430SRalf Baechle 9102116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9112116245eSRalf Baechle bool 9122116245eSRalf Baechle 9135e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9145e83d430SRalf Baechle bool 9155e83d430SRalf Baechle 9165e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9175e83d430SRalf Baechle bool 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvaldsconfig IRQ_CPU 9201da177e4SLinus Torvalds bool 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9231da177e4SLinus Torvalds bool 9241da177e4SLinus Torvalds 9255e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9265e83d430SRalf Baechle bool 9275e83d430SRalf Baechle 9289267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9299267a30dSMarc St-Jean bool 9309267a30dSMarc St-Jean 9319267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9329267a30dSMarc St-Jean bool 9339267a30dSMarc St-Jean 9348420fd00SAtsushi Nemotoconfig IRQ_TXX9 9358420fd00SAtsushi Nemoto bool 9368420fd00SAtsushi Nemoto 937d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 938d5ab1a69SYoichi Yuasa bool 939d5ab1a69SYoichi Yuasa 9401da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9411da177e4SLinus Torvalds bool 9421da177e4SLinus Torvalds 943252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9441da177e4SLinus Torvalds bool 9451da177e4SLinus Torvalds 9469267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9479267a30dSMarc St-Jean bool 9489267a30dSMarc St-Jean 9491da177e4SLinus Torvaldsconfig MIPS_TX3927 9501da177e4SLinus Torvalds bool 9511da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9521da177e4SLinus Torvalds 953663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 954663c3d90Sthomas@koeller.dyndns.org bool 955663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 956663c3d90Sthomas@koeller.dyndns.org 957bdf21b18SPete Popovconfig PNX8550 958bdf21b18SPete Popov bool 959bdf21b18SPete Popov select SOC_PNX8550 960bdf21b18SPete Popov 961bdf21b18SPete Popovconfig SOC_PNX8550 962bdf21b18SPete Popov bool 963bdf21b18SPete Popov select DMA_NONCOHERENT 964bdf21b18SPete Popov select HW_HAS_PCI 965b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 96636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9677cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 968e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 969cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9704ead1681SFlorian Fainelli select GENERIC_GPIO 971bdf21b18SPete Popov 9721da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9731da177e4SLinus Torvalds bool 9741da177e4SLinus Torvalds 975355c471fSdmitry pervushinconfig EMMA2RH 976355c471fSdmitry pervushin bool 977355c471fSdmitry pervushin depends on MARKEINS 978355c471fSdmitry pervushin default y 979355c471fSdmitry pervushin 980663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 981663c3d90Sthomas@koeller.dyndns.org bool 982663c3d90Sthomas@koeller.dyndns.org 983e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 984e2defae5SThomas Bogendoerfer bool 985e2defae5SThomas Bogendoerfer 986e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 987e2defae5SThomas Bogendoerfer bool 988e2defae5SThomas Bogendoerfer 989e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 990e2defae5SThomas Bogendoerfer bool 991e2defae5SThomas Bogendoerfer 992e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 993e2defae5SThomas Bogendoerfer bool 994e2defae5SThomas Bogendoerfer 995e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 996e2defae5SThomas Bogendoerfer bool 997e2defae5SThomas Bogendoerfer 998e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 999e2defae5SThomas Bogendoerfer bool 1000e2defae5SThomas Bogendoerfer 1001e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1002e2defae5SThomas Bogendoerfer bool 1003e2defae5SThomas Bogendoerfer 10045e83d430SRalf Baechleconfig ARC32 10055e83d430SRalf Baechle bool 10065e83d430SRalf Baechle 1007*231a35d3SThomas Bogendoerferconfig SNIPROM 1008*231a35d3SThomas Bogendoerfer bool 1009*231a35d3SThomas Bogendoerfer 10101da177e4SLinus Torvaldsconfig BOOT_ELF32 10111da177e4SLinus Torvalds bool 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10141da177e4SLinus Torvalds int 101506cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 1016e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 10179267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 10181da177e4SLinus Torvalds default "5" 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10211da177e4SLinus Torvalds bool 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig ARC_CONSOLE 10241da177e4SLinus Torvalds bool "ARC console support" 1025e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvaldsconfig ARC_MEMORY 10281da177e4SLinus Torvalds bool 102914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10301da177e4SLinus Torvalds default y 10311da177e4SLinus Torvalds 10321da177e4SLinus Torvaldsconfig ARC_PROMLIB 10331da177e4SLinus Torvalds bool 1034e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10351da177e4SLinus Torvalds default y 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvaldsconfig ARC64 10381da177e4SLinus Torvalds bool 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvaldsconfig BOOT_ELF64 10411da177e4SLinus Torvalds bool 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvaldsmenu "CPU selection" 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvaldschoice 10461da177e4SLinus Torvalds prompt "CPU type" 10471da177e4SLinus Torvalds default CPU_R4X00 10481da177e4SLinus Torvalds 10492a21c730SFuxin Zhangconfig CPU_LOONGSON2 10502a21c730SFuxin Zhang bool "Loongson 2" 10512a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10522a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10532a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10542a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10552a21c730SFuxin Zhang help 10562a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10572a21c730SFuxin Zhang with many extensions. 10582a21c730SFuxin Zhang 10596e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10606e760c8dSRalf Baechle bool "MIPS32 Release 1" 10617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1062f7062ddbSRalf Baechle select CPU_HAS_LLSC 10636e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1064797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1065ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10666e760c8dSRalf Baechle help 10675e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10681e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10691e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10701e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10711e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10721e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10731e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10741e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10751e5f1caaSRalf Baechle performance. 10761e5f1caaSRalf Baechle 10771e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10781e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1080f7062ddbSRalf Baechle select CPU_HAS_LLSC 10811e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1082797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1083ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10841e5f1caaSRalf Baechle help 10855e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10866e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10876e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10886e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10896e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10901da177e4SLinus Torvalds 10916e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10926e760c8dSRalf Baechle bool "MIPS64 Release 1" 10937cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1094f7062ddbSRalf Baechle select CPU_HAS_LLSC 1095797798c1SRalf Baechle select CPU_HAS_PREFETCH 1096ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1097ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1098ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10996e760c8dSRalf Baechle help 11006e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 11016e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11026e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11036e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11046e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11051e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11061e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11071e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11081e5f1caaSRalf Baechle performance. 11091e5f1caaSRalf Baechle 11101e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11111e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11127cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1113f7062ddbSRalf Baechle select CPU_HAS_LLSC 1114797798c1SRalf Baechle select CPU_HAS_PREFETCH 11151e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11161e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1117ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11181e5f1caaSRalf Baechle help 11191e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11201e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11211e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11221e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11231e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11241da177e4SLinus Torvalds 11251da177e4SLinus Torvaldsconfig CPU_R3000 11261da177e4SLinus Torvalds bool "R3000" 11277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1128f7062ddbSRalf Baechle select CPU_HAS_WB 1129ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1130797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11311da177e4SLinus Torvalds help 11321da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11331da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11341da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11351da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11361da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11371da177e4SLinus Torvalds try to recompile with R3000. 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvaldsconfig CPU_TX39XX 11401da177e4SLinus Torvalds bool "R39XX" 11417cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1142ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11431da177e4SLinus Torvalds 11441da177e4SLinus Torvaldsconfig CPU_VR41XX 11451da177e4SLinus Torvalds bool "R41xx" 11467cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds help 11505e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11511da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11521da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11531da177e4SLinus Torvalds processor or vice versa. 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvaldsconfig CPU_R4300 11561da177e4SLinus Torvalds bool "R4300" 11577cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1158f7062ddbSRalf Baechle select CPU_HAS_LLSC 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1160ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11611da177e4SLinus Torvalds help 11621da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11631da177e4SLinus Torvalds 11641da177e4SLinus Torvaldsconfig CPU_R4X00 11651da177e4SLinus Torvalds bool "R4x00" 11667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1167f7062ddbSRalf Baechle select CPU_HAS_LLSC 1168ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1169ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11701da177e4SLinus Torvalds help 11711da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11721da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11731da177e4SLinus Torvalds 11741da177e4SLinus Torvaldsconfig CPU_TX49XX 11751da177e4SLinus Torvalds bool "R49XX" 11767cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1177f7062ddbSRalf Baechle select CPU_HAS_LLSC 1178de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1179ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1180ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11811da177e4SLinus Torvalds 11821da177e4SLinus Torvaldsconfig CPU_R5000 11831da177e4SLinus Torvalds bool "R5000" 11847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1185f7062ddbSRalf Baechle select CPU_HAS_LLSC 1186ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1187ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11881da177e4SLinus Torvalds help 11891da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11901da177e4SLinus Torvalds 11911da177e4SLinus Torvaldsconfig CPU_R5432 11921da177e4SLinus Torvalds bool "R5432" 11937cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1194f7062ddbSRalf Baechle select CPU_HAS_LLSC 11955e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11965e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig CPU_R6000 11991da177e4SLinus Torvalds bool "R6000" 1200ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1201f7062ddbSRalf Baechle select CPU_HAS_LLSC 12027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1203ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12041da177e4SLinus Torvalds help 12051da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1206c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12071da177e4SLinus Torvalds 12081da177e4SLinus Torvaldsconfig CPU_NEVADA 12091da177e4SLinus Torvalds bool "RM52xx" 12107cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1211f7062ddbSRalf Baechle select CPU_HAS_LLSC 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12141da177e4SLinus Torvalds help 12151da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvaldsconfig CPU_R8000 12181da177e4SLinus Torvalds bool "R8000" 1219ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1221f7062ddbSRalf Baechle select CPU_HAS_LLSC 12225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12241da177e4SLinus Torvalds help 12251da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12261da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvaldsconfig CPU_R10000 12291da177e4SLinus Torvalds bool "R10000" 12307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1231f7062ddbSRalf Baechle select CPU_HAS_LLSC 12325e83d430SRalf Baechle select CPU_HAS_PREFETCH 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1235797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12361da177e4SLinus Torvalds help 12371da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12381da177e4SLinus Torvalds 12391da177e4SLinus Torvaldsconfig CPU_RM7000 12401da177e4SLinus Torvalds bool "RM7000" 12417cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1242f7062ddbSRalf Baechle select CPU_HAS_LLSC 12435e83d430SRalf Baechle select CPU_HAS_PREFETCH 1244ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1245ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1246797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12471da177e4SLinus Torvalds 12481da177e4SLinus Torvaldsconfig CPU_RM9000 12491da177e4SLinus Torvalds bool "RM9000" 12507cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1251f7062ddbSRalf Baechle select CPU_HAS_LLSC 12525e83d430SRalf Baechle select CPU_HAS_PREFETCH 1253ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1254ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1255797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12560004a9dfSRalf Baechle select WEAK_ORDERING 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvaldsconfig CPU_SB1 12591da177e4SLinus Torvalds bool "SB1" 12607cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1261f7062ddbSRalf Baechle select CPU_HAS_LLSC 1262ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1263ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1264797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12650004a9dfSRalf Baechle select WEAK_ORDERING 12661da177e4SLinus Torvalds 12671da177e4SLinus Torvaldsendchoice 12681da177e4SLinus Torvalds 12692a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12702a21c730SFuxin Zhang bool 12712a21c730SFuxin Zhang 12727cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12737cf8053bSRalf Baechle bool 12747cf8053bSRalf Baechle 12757cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12767cf8053bSRalf Baechle bool 12777cf8053bSRalf Baechle 12787cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12797cf8053bSRalf Baechle bool 12807cf8053bSRalf Baechle 12817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12827cf8053bSRalf Baechle bool 12837cf8053bSRalf Baechle 12847cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12857cf8053bSRalf Baechle bool 12867cf8053bSRalf Baechle 12877cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12887cf8053bSRalf Baechle bool 12897cf8053bSRalf Baechle 12907cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12917cf8053bSRalf Baechle bool 12927cf8053bSRalf Baechle 12937cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12947cf8053bSRalf Baechle bool 12957cf8053bSRalf Baechle 12967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12977cf8053bSRalf Baechle bool 12987cf8053bSRalf Baechle 12997cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 13007cf8053bSRalf Baechle bool 13017cf8053bSRalf Baechle 13027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 13037cf8053bSRalf Baechle bool 13047cf8053bSRalf Baechle 13057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13067cf8053bSRalf Baechle bool 13077cf8053bSRalf Baechle 13087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13097cf8053bSRalf Baechle bool 13107cf8053bSRalf Baechle 13117cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13127cf8053bSRalf Baechle bool 13137cf8053bSRalf Baechle 13147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13157cf8053bSRalf Baechle bool 13167cf8053bSRalf Baechle 13177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13187cf8053bSRalf Baechle bool 13197cf8053bSRalf Baechle 13207cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13217cf8053bSRalf Baechle bool 13227cf8053bSRalf Baechle 13237cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13247cf8053bSRalf Baechle bool 13257cf8053bSRalf Baechle 13267cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13277cf8053bSRalf Baechle bool 13287cf8053bSRalf Baechle 132917099b11SRalf Baechle# 133017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 133117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 133217099b11SRalf Baechle# 13330004a9dfSRalf Baechleconfig WEAK_ORDERING 13340004a9dfSRalf Baechle bool 133517099b11SRalf Baechle 133617099b11SRalf Baechle# 133717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 133817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133917099b11SRalf Baechle# 134017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 134117099b11SRalf Baechle bool 13425e83d430SRalf Baechleendmenu 13435e83d430SRalf Baechle 13445e83d430SRalf Baechle# 13455e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13465e83d430SRalf Baechle# 13475e83d430SRalf Baechleconfig CPU_MIPS32 13485e83d430SRalf Baechle bool 13495e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13505e83d430SRalf Baechle 13515e83d430SRalf Baechleconfig CPU_MIPS64 13525e83d430SRalf Baechle bool 13535e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13545e83d430SRalf Baechle 13555e83d430SRalf Baechle# 1356c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13575e83d430SRalf Baechle# 13585e83d430SRalf Baechleconfig CPU_MIPSR1 13595e83d430SRalf Baechle bool 13605e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13615e83d430SRalf Baechle 13625e83d430SRalf Baechleconfig CPU_MIPSR2 13635e83d430SRalf Baechle bool 13645e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13655e83d430SRalf Baechle 13665e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13675e83d430SRalf Baechle bool 13685e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13695e83d430SRalf Baechle bool 13705e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13715e83d430SRalf Baechle bool 13725e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13735e83d430SRalf Baechle bool 13745e83d430SRalf Baechle 13755e83d430SRalf Baechlemenu "Kernel type" 13765e83d430SRalf Baechle 13775e83d430SRalf Baechlechoice 13785e83d430SRalf Baechle 13795e83d430SRalf Baechle prompt "Kernel code model" 13805e83d430SRalf Baechle help 13815e83d430SRalf Baechle You should only select this option if you have a workload that 13825e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13835e83d430SRalf Baechle large memory. You will only be presented a single option in this 13845e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13855e83d430SRalf Baechle 13865e83d430SRalf Baechleconfig 32BIT 13875e83d430SRalf Baechle bool "32-bit kernel" 13885e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13895e83d430SRalf Baechle select TRAD_SIGNALS 13905e83d430SRalf Baechle help 13915e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13925e83d430SRalf Baechleconfig 64BIT 13935e83d430SRalf Baechle bool "64-bit kernel" 13945e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13955e83d430SRalf Baechle help 13965e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13975e83d430SRalf Baechle 13985e83d430SRalf Baechleendchoice 13995e83d430SRalf Baechle 14001da177e4SLinus Torvaldschoice 14011da177e4SLinus Torvalds prompt "Kernel page size" 14021da177e4SLinus Torvalds default PAGE_SIZE_4KB 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14051da177e4SLinus Torvalds bool "4kB" 14061da177e4SLinus Torvalds help 14071da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14081da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14091da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14101da177e4SLinus Torvalds recommended for low memory systems. 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14131da177e4SLinus Torvalds bool "8kB" 14141da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14151da177e4SLinus Torvalds help 14161da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14171da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14181da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14191da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14201da177e4SLinus Torvalds compatibility of user applications. 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14231da177e4SLinus Torvalds bool "16kB" 1424714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14251da177e4SLinus Torvalds help 14261da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14271da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1428714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1429714bfad6SRalf Baechle Linux distribution to support this. 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14321da177e4SLinus Torvalds bool "64kB" 14331da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14341da177e4SLinus Torvalds help 14351da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14361da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14371da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1438714bfad6SRalf Baechle writing this option is still high experimental. 14391da177e4SLinus Torvalds 14401da177e4SLinus Torvaldsendchoice 14411da177e4SLinus Torvalds 14421da177e4SLinus Torvaldsconfig BOARD_SCACHE 14431da177e4SLinus Torvalds bool 14441da177e4SLinus Torvalds 14451da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14461da177e4SLinus Torvalds bool 14471da177e4SLinus Torvalds select BOARD_SCACHE 14481da177e4SLinus Torvalds 14499318c51aSChris Dearman# 14509318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14519318c51aSChris Dearman# 14529318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14539318c51aSChris Dearman bool 14549318c51aSChris Dearman select BOARD_SCACHE 14559318c51aSChris Dearman 14561da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14571da177e4SLinus Torvalds bool 14581da177e4SLinus Torvalds select BOARD_SCACHE 14591da177e4SLinus Torvalds 14601da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14611da177e4SLinus Torvalds bool 14621da177e4SLinus Torvalds select BOARD_SCACHE 14631da177e4SLinus Torvalds 14641da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14651da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14661da177e4SLinus Torvalds depends on CPU_SB1 14671da177e4SLinus Torvalds help 14681da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14691da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14701da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14711da177e4SLinus Torvalds 14721da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1473c8094b53SRalf Baechle bool 14741da177e4SLinus Torvalds 1475340ee4b9SRalf Baechlechoice 1476340ee4b9SRalf Baechle prompt "MIPS MT options" 1477f41ae0b2SRalf Baechle 1478f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1479f41ae0b2SRalf Baechle bool "Disable multithreading support." 1480f41ae0b2SRalf Baechle help 1481f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1482f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1483f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1484f41ae0b2SRalf Baechle option in this menu. 1485340ee4b9SRalf Baechle 148659d6ab86SRalf Baechleconfig MIPS_MT_SMP 148759d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 148859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 148959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1490d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 149159d6ab86SRalf Baechle select MIPS_MT 1492f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 149359d6ab86SRalf Baechle select SMP 14940ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 149559d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 149687353d8aSRalf Baechle select SMP_UP 149759d6ab86SRalf Baechle help 149859d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 149959d6ab86SRalf Baechle has been marketesed into SMVP. 150059d6ab86SRalf Baechle 150141c594abSRalf Baechleconfig MIPS_MT_SMTC 150241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1503f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1504f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1505f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1506ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1507f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1508d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1509f41ae0b2SRalf Baechle select MIPS_MT 1510130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 151141c594abSRalf Baechle select SMP 151273b76c78SRalf Baechle select SYS_SUPPORTS_SMP 151387353d8aSRalf Baechle select SMP_UP 1514f41ae0b2SRalf Baechle help 1515f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1516f41ae0b2SRalf Baechle marketesed into SMVP. 151741c594abSRalf Baechle 1518340ee4b9SRalf Baechleendchoice 1519340ee4b9SRalf Baechle 1520f41ae0b2SRalf Baechleconfig MIPS_MT 1521f41ae0b2SRalf Baechle bool 1522f41ae0b2SRalf Baechle 15230ab7aefcSRalf Baechleconfig SCHED_SMT 15240ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15250ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15260ab7aefcSRalf Baechle default n 15270ab7aefcSRalf Baechle help 15280ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15290ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15300ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15310ab7aefcSRalf Baechle 15320ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15330ab7aefcSRalf Baechle bool 15340ab7aefcSRalf Baechle 15350ab7aefcSRalf Baechle 1536f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1537f41ae0b2SRalf Baechle bool 1538f41ae0b2SRalf Baechle 1539f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1540f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1541f088fc84SRalf Baechle default y 154207cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 154307cc0c9eSRalf Baechle 154407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 154507cc0c9eSRalf Baechle bool "VPE loader support." 154607cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 154707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 154807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 154907cc0c9eSRalf Baechle select MIPS_MT 155007cc0c9eSRalf Baechle help 155107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 155207cc0c9eSRalf Baechle onto another VPE and running it. 1553f088fc84SRalf Baechle 1554ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1555ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1556619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1557ac8be955SRalf Baechle default y 1558ac8be955SRalf Baechle help 1559ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1560ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1561ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1562ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1563ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1564ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1565ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1566ac8be955SRalf Baechle heavy I/O interrupt load. 1567ac8be955SRalf Baechle 15680db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15690db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15700db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15710db34215SKevin D. Kissell default y 15720db34215SKevin D. Kissell help 15730db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15740db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15750db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15760db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15770db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15780db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15790db34215SKevin D. Kissell what you are doing. 15800db34215SKevin D. Kissell 1581f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1582f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1583f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1584f571eff0SKevin D. Kissell default n 1585f571eff0SKevin D. Kissell help 1586f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1587f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1588f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1589f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1590f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1591f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1592f571eff0SKevin D. Kissell you are doing. 1593f571eff0SKevin D. Kissell 1594e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1595e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1596e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1597e01402b1SRalf Baechle default y 1598e01402b1SRalf Baechle help 1599e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1600e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1601e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1602e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1603e01402b1SRalf Baechle 1604e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1605e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1606e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1607e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16085e83d430SRalf Baechle help 1609e01402b1SRalf Baechle 16102600990eSRalf Baechleconfig MIPS_APSP_KSPD 16112600990eSRalf Baechle bool "Enable KSPD" 16122600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16132600990eSRalf Baechle default y 16142600990eSRalf Baechle help 16152600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16162600990eSRalf Baechle side, actions them and returns the results. It also handles the 16172600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16182600990eSRalf Baechle exiting. You probably want to say yes here. 16192600990eSRalf Baechle 16201da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16211da177e4SLinus Torvalds bool 16221da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16231da177e4SLinus Torvalds default y 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16261da177e4SLinus Torvalds bool 16271da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16281da177e4SLinus Torvalds default y 16291da177e4SLinus Torvalds 16301da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16311da177e4SLinus Torvalds bool 16321da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16331da177e4SLinus Torvalds default y 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1636d806cb2bSRalf Baechle bool 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1639f7062ddbSRalf Baechle bool 16401da177e4SLinus Torvalds 16419693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16429693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16439693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16449693a853SFranck Bui-Huu help 16459693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16469693a853SFranck Bui-Huu increased security at both hardware and software level for 16479693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16489693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16499693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16509693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16519693a853SFranck Bui-Huu here. 16529693a853SFranck Bui-Huu 16531da177e4SLinus Torvaldsconfig CPU_HAS_WB 1654f7062ddbSRalf Baechle bool 1655e01402b1SRalf Baechle 1656f41ae0b2SRalf Baechle# 1657f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1658f41ae0b2SRalf Baechle# 1659e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1660f41ae0b2SRalf Baechle bool 1661e01402b1SRalf Baechle 1662f41ae0b2SRalf Baechle# 1663f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1664f41ae0b2SRalf Baechle# 1665e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1666f41ae0b2SRalf Baechle bool 1667e01402b1SRalf Baechle 16681da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16691da177e4SLinus Torvalds bool 16701da177e4SLinus Torvalds depends on !CPU_R3000 16711da177e4SLinus Torvalds default y 16721da177e4SLinus Torvalds 1673ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1674ea580401SRalf Baechle bool 1675ea580401SRalf Baechle 16761da177e4SLinus Torvalds# 167720d60d99SMaciej W. Rozycki# CPU non-features 167820d60d99SMaciej W. Rozycki# 167920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 168020d60d99SMaciej W. Rozycki bool 168120d60d99SMaciej W. Rozycki 168220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 168320d60d99SMaciej W. Rozycki bool 168420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168520d60d99SMaciej W. Rozycki 168620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 168720d60d99SMaciej W. Rozycki bool 168820d60d99SMaciej W. Rozycki 168920d60d99SMaciej W. Rozycki# 1690797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1691797798c1SRalf Baechle# 1692797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1693797798c1SRalf Baechle bool 1694797798c1SRalf Baechle default y 1695797798c1SRalf Baechle 1696797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1697797798c1SRalf Baechle bool 1698797798c1SRalf Baechle default y 1699797798c1SRalf Baechle 17000d7012a9SIngo Molnarconfig IRQ_PER_CPU 17010d7012a9SIngo Molnar bool 17020d7012a9SIngo Molnar 1703797798c1SRalf Baechle# 17041da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17051da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17061da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17071da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17081da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17091da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17101da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17111da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1712797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1713797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1714797798c1SRalf Baechle# support. 17151da177e4SLinus Torvalds# 17161da177e4SLinus Torvaldsconfig HIGHMEM 17171da177e4SLinus Torvalds bool "High Memory Support" 1718797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1719797798c1SRalf Baechle 1720797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1721797798c1SRalf Baechle bool 1722797798c1SRalf Baechle 1723797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1724797798c1SRalf Baechle bool 17251da177e4SLinus Torvalds 17269693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17279693a853SFranck Bui-Huu bool 17289693a853SFranck Bui-Huu 1729b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1730b4819b59SYoichi Yuasa def_bool y 1731b4819b59SYoichi Yuasa depends on !NUMA 1732b4819b59SYoichi Yuasa 1733d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1734d8cb4e11SRalf Baechle bool 1735d8cb4e11SRalf Baechle default y if SGI_IP27 1736d8cb4e11SRalf Baechle help 17373dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1738d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1739d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1740d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1741d8cb4e11SRalf Baechle 1742cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1743cce335aeSRalf Baechle def_bool y 1744cce335aeSRalf Baechle 1745b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1746b1c6cd42SAtsushi Nemoto bool 17477de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 174831473747SAtsushi Nemoto 1749d8cb4e11SRalf Baechleconfig NUMA 1750d8cb4e11SRalf Baechle bool "NUMA Support" 1751d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1752d8cb4e11SRalf Baechle help 1753d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1754d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1755d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1756d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1757d8cb4e11SRalf Baechle disabled. 1758d8cb4e11SRalf Baechle 1759d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1760d8cb4e11SRalf Baechle bool 1761d8cb4e11SRalf Baechle 1762c80d79d7SYasunori Gotoconfig NODES_SHIFT 1763c80d79d7SYasunori Goto int 1764c80d79d7SYasunori Goto default "6" 1765c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1766c80d79d7SYasunori Goto 1767b4819b59SYoichi Yuasasource "mm/Kconfig" 1768b4819b59SYoichi Yuasa 17691da177e4SLinus Torvaldsconfig SMP 17701da177e4SLinus Torvalds bool "Multi-Processing support" 1771e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1772b4b30a5aSRalf Baechle select IRQ_PER_CPU 1773e73ea273SRalf Baechle help 17741da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17751da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17761da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17771da177e4SLinus Torvalds 17781da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17791da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17801da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17811da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17821da177e4SLinus Torvalds will run faster if you say N here. 17831da177e4SLinus Torvalds 17841da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17851da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17861da177e4SLinus Torvalds 17871da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 17881da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 17891da177e4SLinus Torvalds 17901da177e4SLinus Torvalds If you don't know what to do here, say N. 17911da177e4SLinus Torvalds 179287353d8aSRalf Baechleconfig SMP_UP 179387353d8aSRalf Baechle bool 179487353d8aSRalf Baechle 1795e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1796e73ea273SRalf Baechle bool 1797e73ea273SRalf Baechle 179872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 179972ede9b1SAtsushi Nemoto bool 180072ede9b1SAtsushi Nemoto 1801130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1802130e2fb7SRalf Baechle bool 1803130e2fb7SRalf Baechle 1804130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1805130e2fb7SRalf Baechle bool 1806130e2fb7SRalf Baechle 1807130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1808130e2fb7SRalf Baechle bool 1809130e2fb7SRalf Baechle 1810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1811130e2fb7SRalf Baechle bool 1812130e2fb7SRalf Baechle 1813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1814130e2fb7SRalf Baechle bool 1815130e2fb7SRalf Baechle 1816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1817130e2fb7SRalf Baechle bool 1818130e2fb7SRalf Baechle 18191da177e4SLinus Torvaldsconfig NR_CPUS 18201da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 182172ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18221da177e4SLinus Torvalds depends on SMP 182372ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1824130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1825130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1826130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1827130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1828130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1829130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18301da177e4SLinus Torvalds help 18311da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18321da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18331da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 183472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 183572ede9b1SAtsushi Nemoto and 2 for all others. 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 183872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 183972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 184072ede9b1SAtsushi Nemoto power of two. 18411da177e4SLinus Torvalds 1842c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1843c4eee283SAtsushi Nemoto 18441723b4a3SAtsushi Nemoto# 18451723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18461723b4a3SAtsushi Nemoto# 18471723b4a3SAtsushi Nemoto 18481723b4a3SAtsushi Nemotochoice 18491723b4a3SAtsushi Nemoto prompt "Timer frequency" 18501723b4a3SAtsushi Nemoto default HZ_250 18511723b4a3SAtsushi Nemoto help 18521723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18531723b4a3SAtsushi Nemoto 18541723b4a3SAtsushi Nemoto config HZ_48 18551723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18561723b4a3SAtsushi Nemoto 18571723b4a3SAtsushi Nemoto config HZ_100 18581723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18591723b4a3SAtsushi Nemoto 18601723b4a3SAtsushi Nemoto config HZ_128 18611723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18621723b4a3SAtsushi Nemoto 18631723b4a3SAtsushi Nemoto config HZ_250 18641723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18651723b4a3SAtsushi Nemoto 18661723b4a3SAtsushi Nemoto config HZ_256 18671723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18681723b4a3SAtsushi Nemoto 18691723b4a3SAtsushi Nemoto config HZ_1000 18701723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18711723b4a3SAtsushi Nemoto 18721723b4a3SAtsushi Nemoto config HZ_1024 18731723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18741723b4a3SAtsushi Nemoto 18751723b4a3SAtsushi Nemotoendchoice 18761723b4a3SAtsushi Nemoto 18771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18781723b4a3SAtsushi Nemoto bool 18791723b4a3SAtsushi Nemoto 18801723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18811723b4a3SAtsushi Nemoto bool 18821723b4a3SAtsushi Nemoto 18831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18841723b4a3SAtsushi Nemoto bool 18851723b4a3SAtsushi Nemoto 18861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18871723b4a3SAtsushi Nemoto bool 18881723b4a3SAtsushi Nemoto 18891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18901723b4a3SAtsushi Nemoto bool 18911723b4a3SAtsushi Nemoto 18921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18931723b4a3SAtsushi Nemoto bool 18941723b4a3SAtsushi Nemoto 18951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18961723b4a3SAtsushi Nemoto bool 18971723b4a3SAtsushi Nemoto 18981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18991723b4a3SAtsushi Nemoto bool 19001723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19011723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19021723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19031723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19041723b4a3SAtsushi Nemoto 19051723b4a3SAtsushi Nemotoconfig HZ 19061723b4a3SAtsushi Nemoto int 19071723b4a3SAtsushi Nemoto default 48 if HZ_48 19081723b4a3SAtsushi Nemoto default 100 if HZ_100 19091723b4a3SAtsushi Nemoto default 128 if HZ_128 19101723b4a3SAtsushi Nemoto default 250 if HZ_250 19111723b4a3SAtsushi Nemoto default 256 if HZ_256 19121723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19131723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19141723b4a3SAtsushi Nemoto 1915e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19181da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1919875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19201da177e4SLinus Torvalds help 19211da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19221da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19231da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19241da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19251da177e4SLinus Torvalds recommended for normal users. 19261da177e4SLinus Torvalds 1927ea6e942bSAtsushi Nemotoconfig KEXEC 1928ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1929ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1930ea6e942bSAtsushi Nemoto help 1931ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1932ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19333dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1934ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1935ea6e942bSAtsushi Nemoto 193601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1937ea6e942bSAtsushi Nemoto 1938ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1939ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1940ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1941ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1942ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1943ea6e942bSAtsushi Nemoto 1944ea6e942bSAtsushi Nemotoconfig SECCOMP 1945ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1946293c5bd1SRalf Baechle depends on PROC_FS 1947ea6e942bSAtsushi Nemoto default y 1948ea6e942bSAtsushi Nemoto help 1949ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1950ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1951ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1952ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1953ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1954ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1955ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1956ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1957ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1958ea6e942bSAtsushi Nemoto 1959ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1960ea6e942bSAtsushi Nemoto 19615e83d430SRalf Baechleendmenu 19625e83d430SRalf Baechle 19631da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19641da177e4SLinus Torvalds bool 19651da177e4SLinus Torvalds default y 19661da177e4SLinus Torvalds 19671df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19681df0f0ffSAtsushi Nemoto bool 19691df0f0ffSAtsushi Nemoto default y 19701df0f0ffSAtsushi Nemoto 19711df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19721df0f0ffSAtsushi Nemoto bool 19731df0f0ffSAtsushi Nemoto default y 19741df0f0ffSAtsushi Nemoto 1975b6c3539bSRalf Baechlesource "init/Kconfig" 1976b6c3539bSRalf Baechle 19771da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19781da177e4SLinus Torvalds 19795e83d430SRalf Baechleconfig HW_HAS_EISA 19805e83d430SRalf Baechle bool 19811da177e4SLinus Torvaldsconfig HW_HAS_PCI 19821da177e4SLinus Torvalds bool 19831da177e4SLinus Torvalds 19841da177e4SLinus Torvaldsconfig PCI 19851da177e4SLinus Torvalds bool "Support for PCI controller" 19861da177e4SLinus Torvalds depends on HW_HAS_PCI 1987abb4ae46SRalf Baechle select PCI_DOMAINS 19881da177e4SLinus Torvalds help 19891da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19901da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19911da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19921da177e4SLinus Torvalds say Y, otherwise N. 19931da177e4SLinus Torvalds 19941da177e4SLinus Torvalds The PCI-HOWTO, available from 19951da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 19961da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 19971da177e4SLinus Torvalds doesn't. 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvaldsconfig PCI_DOMAINS 20001da177e4SLinus Torvalds bool 20011da177e4SLinus Torvalds 20021da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20031da177e4SLinus Torvalds 20041da177e4SLinus Torvalds# 20051da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20061da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20071da177e4SLinus Torvalds# users to choose the right thing ... 20081da177e4SLinus Torvalds# 20091da177e4SLinus Torvaldsconfig ISA 20101da177e4SLinus Torvalds bool 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvaldsconfig EISA 20131da177e4SLinus Torvalds bool "EISA support" 20145e83d430SRalf Baechle depends on HW_HAS_EISA 20151da177e4SLinus Torvalds select ISA 2016aa414dffSRalf Baechle select GENERIC_ISA_DMA 20171da177e4SLinus Torvalds ---help--- 20181da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20191da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20221da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20231da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20241da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvalds Otherwise, say N. 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvaldsconfig TC 20331da177e4SLinus Torvalds bool "TURBOchannel support" 20341da177e4SLinus Torvalds depends on MACH_DECSTATION 20351da177e4SLinus Torvalds help 20361da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20371da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20381da177e4SLinus Torvalds is available at: 20391da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvalds#config ACCESSBUS 20421da177e4SLinus Torvalds# bool "Access.Bus support" 20431da177e4SLinus Torvalds# depends on TC 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvaldsconfig MMU 20461da177e4SLinus Torvalds bool 20471da177e4SLinus Torvalds default y 20481da177e4SLinus Torvalds 2049d865bea4SRalf Baechleconfig I8253 2050d865bea4SRalf Baechle bool 2051d865bea4SRalf Baechle 2052cce335aeSRalf Baechleconfig ZONE_DMA32 2053cce335aeSRalf Baechle bool 2054cce335aeSRalf Baechle 20551da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20561da177e4SLinus Torvalds 20571da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvaldsendmenu 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsmenu "Executable file formats" 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20661da177e4SLinus Torvalds bool 20671da177e4SLinus Torvalds 20681da177e4SLinus Torvaldsconfig BINFMT_IRIX 20691da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20705e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20711da177e4SLinus Torvalds 20721da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20731da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2074875d43e7SRalf Baechle depends on 64BIT 20751da177e4SLinus Torvalds help 20761da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20771da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20781da177e4SLinus Torvalds currently 32-bit you should say Y here. 20791da177e4SLinus Torvalds 20801da177e4SLinus Torvaldsconfig COMPAT 20811da177e4SLinus Torvalds bool 20821da177e4SLinus Torvalds depends on MIPS32_COMPAT 20831da177e4SLinus Torvalds default y 20841da177e4SLinus Torvalds 208505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 208605e43966SAtsushi Nemoto bool 208705e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 208805e43966SAtsushi Nemoto default y 208905e43966SAtsushi Nemoto 20901da177e4SLinus Torvaldsconfig MIPS32_O32 20911da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20921da177e4SLinus Torvalds depends on MIPS32_COMPAT 20931da177e4SLinus Torvalds help 20941da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20951da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20961da177e4SLinus Torvalds existing binaries are in this format. 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvalds If unsure, say Y. 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsconfig MIPS32_N32 21011da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21021da177e4SLinus Torvalds depends on MIPS32_COMPAT 21031da177e4SLinus Torvalds help 21041da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21051da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21061da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21071da177e4SLinus Torvalds cases. 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvalds If unsure, say N. 21101da177e4SLinus Torvalds 21111da177e4SLinus Torvaldsconfig BINFMT_ELF32 21121da177e4SLinus Torvalds bool 21131da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21141da177e4SLinus Torvalds 21152116245eSRalf Baechleendmenu 21161da177e4SLinus Torvalds 21172116245eSRalf Baechlemenu "Power management options" 2118952fa954SRodolfo Giometti 21192116245eSRalf Baechlesource "kernel/power/Kconfig" 2120952fa954SRodolfo Giometti 21211da177e4SLinus Torvaldsendmenu 21221da177e4SLinus Torvalds 2123d5950b43SSam Ravnborgsource "net/Kconfig" 2124d5950b43SSam Ravnborg 21251da177e4SLinus Torvaldssource "drivers/Kconfig" 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvaldssource "fs/Kconfig" 21281da177e4SLinus Torvalds 212909cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 21305e83d430SRalf Baechle 21311da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvaldssource "security/Kconfig" 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvaldssource "crypto/Kconfig" 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldssource "lib/Kconfig" 2138