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 130*e2defae5SThomas 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 405*e2defae5SThomas 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 413*e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 414*e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 415*e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 416*e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 417*e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 418*e2defae5SThomas 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 436*e2defae5SThomas 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 453*e2defae5SThomas Bogendoerferconfig SGI_IP28 454*e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 455*e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 456*e2defae5SThomas Bogendoerfer select ARC 457*e2defae5SThomas Bogendoerfer select ARC64 458*e2defae5SThomas Bogendoerfer select BOOT_ELF64 459*e2defae5SThomas Bogendoerfer select CEVT_R4K 460*e2defae5SThomas Bogendoerfer select CSRC_R4K 461*e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 462*e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 463*e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 464*e2defae5SThomas Bogendoerfer select IRQ_CPU 465*e2defae5SThomas Bogendoerfer select HW_HAS_EISA 466*e2defae5SThomas Bogendoerfer select I8253 467*e2defae5SThomas Bogendoerfer select I8259 468*e2defae5SThomas Bogendoerfer select SGI_HAS_DS1286 469*e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 470*e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 471*e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 472*e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 473*e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 474*e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 475*e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 476*e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 477*e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 478*e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 479*e2defae5SThomas Bogendoerfer help 480*e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 481*e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 482*e2defae5SThomas 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 6055e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 6065e83d430SRalf Baechle select BOOT_ELF32 60742f77542SRalf Baechle select CEVT_R4K 608940f6b48SRalf Baechle select CSRC_R4K 609*e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6105e83d430SRalf Baechle select DMA_NONCOHERENT 6115e83d430SRalf Baechle select GENERIC_ISA_DMA 6125e83d430SRalf Baechle select HW_HAS_EISA 6135e83d430SRalf Baechle select HW_HAS_PCI 614c066a32aSThomas Bogendoerfer select IRQ_CPU 615d865bea4SRalf Baechle select I8253 6165e83d430SRalf Baechle select I8259 6175e83d430SRalf Baechle select ISA 6184a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6197cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6204a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 621c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6224a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 62336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 624ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6255e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6264a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6275e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6291da177e4SLinus Torvalds help 63014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 63114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6325e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6335e83d430SRalf Baechle support this machine type. 6341da177e4SLinus Torvalds 6355e83d430SRalf Baechleconfig TOSHIBA_JMR3927 6363fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 637229f773eSAtsushi Nemoto select CEVT_TXX9 6385e83d430SRalf Baechle select DMA_NONCOHERENT 6395e83d430SRalf Baechle select HW_HAS_PCI 6405e83d430SRalf Baechle select MIPS_TX3927 641c87abd75SAtsushi Nemoto select IRQ_TXX9 6425e83d430SRalf Baechle select SWAP_IO_SPACE 6437cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 6445e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6456a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6472127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6485e83d430SRalf Baechle 6495e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 65008a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 65142f77542SRalf Baechle select CEVT_R4K 652940f6b48SRalf Baechle select CSRC_R4K 653229f773eSAtsushi Nemoto select CEVT_TXX9 6545e83d430SRalf Baechle select DMA_NONCOHERENT 6555e83d430SRalf Baechle select HAS_TXX9_SERIAL 6565e83d430SRalf Baechle select HW_HAS_PCI 657c87abd75SAtsushi Nemoto select IRQ_CPU 658c87abd75SAtsushi Nemoto select IRQ_TXX9 659c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 6605e83d430SRalf Baechle select SWAP_IO_SPACE 6617cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 6625e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 6635e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 6646a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 6655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 666cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6679fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6685e83d430SRalf Baechle help 6695e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 6705e83d430SRalf Baechle support this machine type 6711da177e4SLinus Torvalds 67223fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 6733fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 67442f77542SRalf Baechle select CEVT_R4K 675940f6b48SRalf Baechle select CSRC_R4K 676229f773eSAtsushi Nemoto select CEVT_TXX9 67723fbee9dSRalf Baechle select DMA_NONCOHERENT 67823fbee9dSRalf Baechle select HAS_TXX9_SERIAL 67923fbee9dSRalf Baechle select HW_HAS_PCI 680c87abd75SAtsushi Nemoto select IRQ_CPU 681c87abd75SAtsushi Nemoto select IRQ_TXX9 68223fbee9dSRalf Baechle select SWAP_IO_SPACE 6837cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 68423fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 68523fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 68623fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 687cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6889fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6893896b054SAtsushi Nemoto select GENERIC_GPIO 69023fbee9dSRalf Baechle help 69123fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 69223fbee9dSRalf Baechle support this machine type 69323fbee9dSRalf Baechle 694ade299d8SYoichi Yuasaconfig WR_PPMC 695ade299d8SYoichi Yuasa bool "Wind River PPMC board" 69642f77542SRalf Baechle select CEVT_R4K 697940f6b48SRalf Baechle select CSRC_R4K 698ade299d8SYoichi Yuasa select IRQ_CPU 699ade299d8SYoichi Yuasa select BOOT_ELF32 700ade299d8SYoichi Yuasa select DMA_NONCOHERENT 701ade299d8SYoichi Yuasa select HW_HAS_PCI 702ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 703ade299d8SYoichi Yuasa select SWAP_IO_SPACE 704ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 705ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 706ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 707ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 708ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 709ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 710ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 711ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 712ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 713ade299d8SYoichi Yuasa help 714ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 715ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 716ade299d8SYoichi Yuasa 7171da177e4SLinus Torvaldsendchoice 7181da177e4SLinus Torvalds 719c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 7205e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7211f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7225e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 72329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 72438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 7255e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 72623fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 7275e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 72838b18f72SRalf Baechle 7295e83d430SRalf Baechleendmenu 7305e83d430SRalf Baechle 7311da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7321da177e4SLinus Torvalds bool 7331da177e4SLinus Torvalds default y 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7361da177e4SLinus Torvalds bool 7371da177e4SLinus Torvalds 738f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 739f0d1b0b3SDavid Howells bool 740f0d1b0b3SDavid Howells default n 741f0d1b0b3SDavid Howells 742f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 743f0d1b0b3SDavid Howells bool 744f0d1b0b3SDavid Howells default n 745f0d1b0b3SDavid Howells 74600a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 74700a58253SRalf Baechle bool 74800a58253SRalf Baechle default y if !MIPS_MT_SMTC 74900a58253SRalf Baechle 7503c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7513c9ee7efSAkinobu Mita bool 7523c9ee7efSAkinobu Mita default y 7533c9ee7efSAkinobu Mita 7543c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7553c9ee7efSAkinobu Mita bool 7563c9ee7efSAkinobu Mita default y 7573c9ee7efSAkinobu Mita 7581da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7591da177e4SLinus Torvalds bool 7601da177e4SLinus Torvalds default y 7611da177e4SLinus Torvalds 7627bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7637bcf7717SRalf Baechle bool 7647bcf7717SRalf Baechle default y 7657bcf7717SRalf Baechle 7668db02010SRalf Baechleconfig GENERIC_TIME 7678db02010SRalf Baechle bool 7688db02010SRalf Baechle default y 7698db02010SRalf Baechle 770f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 771f5ff0a28SRalf Baechle bool 772f5ff0a28SRalf Baechle default y 773f5ff0a28SRalf Baechle 7741cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 7751cc89038SAtsushi Nemoto bool 7761cc89038SAtsushi Nemoto default y 7771cc89038SAtsushi Nemoto 778e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 779e77c232cSFranck Bui-Huu bool 780e77c232cSFranck Bui-Huu default n 781e77c232cSFranck Bui-Huu 7821da177e4SLinus Torvalds# 7831da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7841da177e4SLinus Torvalds# 7851da177e4SLinus Torvaldsconfig ARC 7861da177e4SLinus Torvalds bool 7871da177e4SLinus Torvalds 78861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 78961ed242dSRalf Baechle bool 79061ed242dSRalf Baechle 7919267a30dSMarc St-Jeanconfig BOOT_RAW 7929267a30dSMarc St-Jean bool 7939267a30dSMarc St-Jean 794217dd11eSRalf Baechleconfig CEVT_BCM1480 795217dd11eSRalf Baechle bool 796217dd11eSRalf Baechle 7971097c6acSYoichi Yuasaconfig CEVT_GT641XX 7981097c6acSYoichi Yuasa bool 7991097c6acSYoichi Yuasa 80042f77542SRalf Baechleconfig CEVT_R4K 80142f77542SRalf Baechle bool 80242f77542SRalf Baechle 803217dd11eSRalf Baechleconfig CEVT_SB1250 804217dd11eSRalf Baechle bool 805217dd11eSRalf Baechle 806229f773eSAtsushi Nemotoconfig CEVT_TXX9 807229f773eSAtsushi Nemoto bool 808229f773eSAtsushi Nemoto 809217dd11eSRalf Baechleconfig CSRC_BCM1480 810217dd11eSRalf Baechle bool 811217dd11eSRalf Baechle 812940f6b48SRalf Baechleconfig CSRC_R4K 813940f6b48SRalf Baechle bool 814940f6b48SRalf Baechle 815217dd11eSRalf Baechleconfig CSRC_SB1250 816217dd11eSRalf Baechle bool 817217dd11eSRalf Baechle 818df78b5c8SAurelien Jarnoconfig CFE 819df78b5c8SAurelien Jarno bool 820df78b5c8SAurelien Jarno 8211da177e4SLinus Torvaldsconfig DMA_COHERENT 8221da177e4SLinus Torvalds bool 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvaldsconfig DMA_IP27 8251da177e4SLinus Torvalds bool 8261da177e4SLinus Torvalds 8271da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8281da177e4SLinus Torvalds bool 8294ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8304ce588cdSRalf Baechle 8314ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8324ce588cdSRalf Baechle bool 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvaldsconfig EARLY_PRINTK 83536a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 83636a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 83736a88530SRalf Baechle default y 83836a88530SRalf Baechle help 83936a88530SRalf Baechle This option enables special console drivers which allow the kernel 84036a88530SRalf Baechle to print messages very early in the bootup process. 84136a88530SRalf Baechle 84236a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 843490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 844490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 845490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 84636a88530SRalf Baechle unless you want to debug such a crash. 84736a88530SRalf Baechle 84836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8491da177e4SLinus Torvalds bool 8501da177e4SLinus Torvalds 851dbb74540SRalf Baechleconfig HOTPLUG_CPU 852dbb74540SRalf Baechle bool 853dbb74540SRalf Baechle default n 854dbb74540SRalf Baechle 8551da177e4SLinus Torvaldsconfig I8259 8561da177e4SLinus Torvalds bool 8571da177e4SLinus Torvalds 8581da177e4SLinus Torvaldsconfig MIPS_BONITO64 8591da177e4SLinus Torvalds bool 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvaldsconfig MIPS_MSC 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds 8641f21d2bdSBrian Murphyconfig MIPS_NILE4 8651f21d2bdSBrian Murphy bool 8661f21d2bdSBrian Murphy 8671da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8681da177e4SLinus Torvalds bool 8691da177e4SLinus Torvalds 870d388d685SMaciej W. Rozyckiconfig NO_IOPORT 871d388d685SMaciej W. Rozycki def_bool n 872d388d685SMaciej W. Rozycki 8738313da30SRalf Baechleconfig GENERIC_ISA_DMA 8748313da30SRalf Baechle bool 8758313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8768313da30SRalf Baechle 877aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 878aa414dffSRalf Baechle bool 8798313da30SRalf Baechle select GENERIC_ISA_DMA 880aa414dffSRalf Baechle 88109663335SYoichi Yuasaconfig GENERIC_GPIO 88209663335SYoichi Yuasa bool 88309663335SYoichi Yuasa 8845e83d430SRalf Baechle# 8853cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8865e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8875e83d430SRalf Baechle# choice statement should be more obvious to the user. 8885e83d430SRalf Baechle# 8895e83d430SRalf Baechlechoice 8905e83d430SRalf Baechle prompt "Endianess selection" 8911da177e4SLinus Torvalds help 8921da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8935e83d430SRalf Baechle byte order. These modes require different kernels and a different 8943cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8955e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8963dde6ad8SDavid Sterba one or the other endianness. 8975e83d430SRalf Baechle 8985e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8995e83d430SRalf Baechle bool "Big endian" 9005e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9015e83d430SRalf Baechle 9025e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9035e83d430SRalf Baechle bool "Little endian" 9045e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9055e83d430SRalf Baechle help 9065e83d430SRalf Baechle 9075e83d430SRalf Baechleendchoice 9085e83d430SRalf Baechle 9092116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9102116245eSRalf Baechle bool 9112116245eSRalf Baechle 9125e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9135e83d430SRalf Baechle bool 9145e83d430SRalf Baechle 9155e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9165e83d430SRalf Baechle bool 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvaldsconfig IRQ_CPU 9191da177e4SLinus Torvalds bool 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9221da177e4SLinus Torvalds bool 9231da177e4SLinus Torvalds 9245e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9255e83d430SRalf Baechle bool 9265e83d430SRalf Baechle 9279267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9289267a30dSMarc St-Jean bool 9299267a30dSMarc St-Jean 9309267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9319267a30dSMarc St-Jean bool 9329267a30dSMarc St-Jean 9338420fd00SAtsushi Nemotoconfig IRQ_TXX9 9348420fd00SAtsushi Nemoto bool 9358420fd00SAtsushi Nemoto 936d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 937d5ab1a69SYoichi Yuasa bool 938d5ab1a69SYoichi Yuasa 9391da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9401da177e4SLinus Torvalds bool 9411da177e4SLinus Torvalds 942252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9431da177e4SLinus Torvalds bool 9441da177e4SLinus Torvalds 9459267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9469267a30dSMarc St-Jean bool 9479267a30dSMarc St-Jean 9481da177e4SLinus Torvaldsconfig MIPS_TX3927 9491da177e4SLinus Torvalds bool 9501da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9511da177e4SLinus Torvalds 952663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 953663c3d90Sthomas@koeller.dyndns.org bool 954663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 955663c3d90Sthomas@koeller.dyndns.org 956bdf21b18SPete Popovconfig PNX8550 957bdf21b18SPete Popov bool 958bdf21b18SPete Popov select SOC_PNX8550 959bdf21b18SPete Popov 960bdf21b18SPete Popovconfig SOC_PNX8550 961bdf21b18SPete Popov bool 962bdf21b18SPete Popov select DMA_NONCOHERENT 963bdf21b18SPete Popov select HW_HAS_PCI 964b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 96536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9667cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 967e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 968cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 9694ead1681SFlorian Fainelli select GENERIC_GPIO 970bdf21b18SPete Popov 9711da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9721da177e4SLinus Torvalds bool 9731da177e4SLinus Torvalds 974355c471fSdmitry pervushinconfig EMMA2RH 975355c471fSdmitry pervushin bool 976355c471fSdmitry pervushin depends on MARKEINS 977355c471fSdmitry pervushin default y 978355c471fSdmitry pervushin 979663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 980663c3d90Sthomas@koeller.dyndns.org bool 981663c3d90Sthomas@koeller.dyndns.org 982*e2defae5SThomas Bogendoerferconfig SGI_HAS_DS1286 983*e2defae5SThomas Bogendoerfer bool 984*e2defae5SThomas Bogendoerfer 985*e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 986*e2defae5SThomas Bogendoerfer bool 987*e2defae5SThomas Bogendoerfer 988*e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 989*e2defae5SThomas Bogendoerfer bool 990*e2defae5SThomas Bogendoerfer 991*e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 992*e2defae5SThomas Bogendoerfer bool 993*e2defae5SThomas Bogendoerfer 994*e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 995*e2defae5SThomas Bogendoerfer bool 996*e2defae5SThomas Bogendoerfer 997*e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 998*e2defae5SThomas Bogendoerfer bool 999*e2defae5SThomas Bogendoerfer 1000*e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1001*e2defae5SThomas Bogendoerfer bool 1002*e2defae5SThomas Bogendoerfer 10035e83d430SRalf Baechleconfig ARC32 10045e83d430SRalf Baechle bool 10055e83d430SRalf Baechle 10061da177e4SLinus Torvaldsconfig BOOT_ELF32 10071da177e4SLinus Torvalds bool 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10101da177e4SLinus Torvalds int 101106cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 1012*e2defae5SThomas Bogendoerfer default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 10139267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 10141da177e4SLinus Torvalds default "5" 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10171da177e4SLinus Torvalds bool 10181da177e4SLinus Torvalds 10191da177e4SLinus Torvaldsconfig ARC_CONSOLE 10201da177e4SLinus Torvalds bool "ARC console support" 1021*e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig ARC_MEMORY 10241da177e4SLinus Torvalds bool 102514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10261da177e4SLinus Torvalds default y 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvaldsconfig ARC_PROMLIB 10291da177e4SLinus Torvalds bool 1030*e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10311da177e4SLinus Torvalds default y 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvaldsconfig ARC64 10341da177e4SLinus Torvalds bool 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvaldsconfig BOOT_ELF64 10371da177e4SLinus Torvalds bool 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvaldsmenu "CPU selection" 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvaldschoice 10421da177e4SLinus Torvalds prompt "CPU type" 10431da177e4SLinus Torvalds default CPU_R4X00 10441da177e4SLinus Torvalds 10452a21c730SFuxin Zhangconfig CPU_LOONGSON2 10462a21c730SFuxin Zhang bool "Loongson 2" 10472a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10482a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10492a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10502a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10512a21c730SFuxin Zhang help 10522a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10532a21c730SFuxin Zhang with many extensions. 10542a21c730SFuxin Zhang 10556e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10566e760c8dSRalf Baechle bool "MIPS32 Release 1" 10577cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1058f7062ddbSRalf Baechle select CPU_HAS_LLSC 10596e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1060797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1061ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10626e760c8dSRalf Baechle help 10635e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10641e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10651e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10661e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10671e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10681e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10691e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10701e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10711e5f1caaSRalf Baechle performance. 10721e5f1caaSRalf Baechle 10731e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10741e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10757cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1076f7062ddbSRalf Baechle select CPU_HAS_LLSC 10771e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1078797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1079ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10801e5f1caaSRalf Baechle help 10815e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10826e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10836e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10846e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10856e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10861da177e4SLinus Torvalds 10876e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10886e760c8dSRalf Baechle bool "MIPS64 Release 1" 10897cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1090f7062ddbSRalf Baechle select CPU_HAS_LLSC 1091797798c1SRalf Baechle select CPU_HAS_PREFETCH 1092ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1093ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1094ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10956e760c8dSRalf Baechle help 10966e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10976e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10986e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10996e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11006e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11011e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11021e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11031e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11041e5f1caaSRalf Baechle performance. 11051e5f1caaSRalf Baechle 11061e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11071e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11087cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1109f7062ddbSRalf Baechle select CPU_HAS_LLSC 1110797798c1SRalf Baechle select CPU_HAS_PREFETCH 11111e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11121e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1113ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11141e5f1caaSRalf Baechle help 11151e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11161e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11171e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11181e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11191e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11201da177e4SLinus Torvalds 11211da177e4SLinus Torvaldsconfig CPU_R3000 11221da177e4SLinus Torvalds bool "R3000" 11237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1124f7062ddbSRalf Baechle select CPU_HAS_WB 1125ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1126797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11271da177e4SLinus Torvalds help 11281da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11291da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11301da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11311da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11321da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11331da177e4SLinus Torvalds try to recompile with R3000. 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig CPU_TX39XX 11361da177e4SLinus Torvalds bool "R39XX" 11377cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11391da177e4SLinus Torvalds 11401da177e4SLinus Torvaldsconfig CPU_VR41XX 11411da177e4SLinus Torvalds bool "R41xx" 11427cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1143ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11451da177e4SLinus Torvalds help 11465e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11471da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11481da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11491da177e4SLinus Torvalds processor or vice versa. 11501da177e4SLinus Torvalds 11511da177e4SLinus Torvaldsconfig CPU_R4300 11521da177e4SLinus Torvalds bool "R4300" 11537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1154f7062ddbSRalf Baechle select CPU_HAS_LLSC 1155ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1156ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11571da177e4SLinus Torvalds help 11581da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvaldsconfig CPU_R4X00 11611da177e4SLinus Torvalds bool "R4x00" 11627cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1163f7062ddbSRalf Baechle select CPU_HAS_LLSC 1164ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1165ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11661da177e4SLinus Torvalds help 11671da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11681da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig CPU_TX49XX 11711da177e4SLinus Torvalds bool "R49XX" 11727cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1173f7062ddbSRalf Baechle select CPU_HAS_LLSC 1174de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1175ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1176ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvaldsconfig CPU_R5000 11791da177e4SLinus Torvalds bool "R5000" 11807cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1181f7062ddbSRalf Baechle select CPU_HAS_LLSC 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1183ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11841da177e4SLinus Torvalds help 11851da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvaldsconfig CPU_R5432 11881da177e4SLinus Torvalds bool "R5432" 11897cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1190f7062ddbSRalf Baechle select CPU_HAS_LLSC 11915e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11925e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11931da177e4SLinus Torvalds 11941da177e4SLinus Torvaldsconfig CPU_R6000 11951da177e4SLinus Torvalds bool "R6000" 1196ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1197f7062ddbSRalf Baechle select CPU_HAS_LLSC 11987cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1199ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12001da177e4SLinus Torvalds help 12011da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1202c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12031da177e4SLinus Torvalds 12041da177e4SLinus Torvaldsconfig CPU_NEVADA 12051da177e4SLinus Torvalds bool "RM52xx" 12067cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1207f7062ddbSRalf Baechle select CPU_HAS_LLSC 1208ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1209ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12101da177e4SLinus Torvalds help 12111da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12121da177e4SLinus Torvalds 12131da177e4SLinus Torvaldsconfig CPU_R8000 12141da177e4SLinus Torvalds bool "R8000" 1215ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1217f7062ddbSRalf Baechle select CPU_HAS_LLSC 12185e83d430SRalf Baechle select CPU_HAS_PREFETCH 1219ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12201da177e4SLinus Torvalds help 12211da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12221da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12231da177e4SLinus Torvalds 12241da177e4SLinus Torvaldsconfig CPU_R10000 12251da177e4SLinus Torvalds bool "R10000" 12267cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1227f7062ddbSRalf Baechle select CPU_HAS_LLSC 12285e83d430SRalf Baechle select CPU_HAS_PREFETCH 1229ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1230ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1231797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12321da177e4SLinus Torvalds help 12331da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12341da177e4SLinus Torvalds 12351da177e4SLinus Torvaldsconfig CPU_RM7000 12361da177e4SLinus Torvalds bool "RM7000" 12377cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1238f7062ddbSRalf Baechle select CPU_HAS_LLSC 12395e83d430SRalf Baechle select CPU_HAS_PREFETCH 1240ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1242797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12431da177e4SLinus Torvalds 12441da177e4SLinus Torvaldsconfig CPU_RM9000 12451da177e4SLinus Torvalds bool "RM9000" 12467cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1247f7062ddbSRalf Baechle select CPU_HAS_LLSC 12485e83d430SRalf Baechle select CPU_HAS_PREFETCH 1249ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1250ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1251797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12520004a9dfSRalf Baechle select WEAK_ORDERING 12531da177e4SLinus Torvalds 12541da177e4SLinus Torvaldsconfig CPU_SB1 12551da177e4SLinus Torvalds bool "SB1" 12567cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1257f7062ddbSRalf Baechle select CPU_HAS_LLSC 1258ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1259ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1260797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12610004a9dfSRalf Baechle select WEAK_ORDERING 12621da177e4SLinus Torvalds 12631da177e4SLinus Torvaldsendchoice 12641da177e4SLinus Torvalds 12652a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12662a21c730SFuxin Zhang bool 12672a21c730SFuxin Zhang 12687cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12697cf8053bSRalf Baechle bool 12707cf8053bSRalf Baechle 12717cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12727cf8053bSRalf Baechle bool 12737cf8053bSRalf Baechle 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 13047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13057cf8053bSRalf Baechle bool 13067cf8053bSRalf Baechle 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13197cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13207cf8053bSRalf Baechle bool 13217cf8053bSRalf Baechle 13227cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13237cf8053bSRalf Baechle bool 13247cf8053bSRalf Baechle 132517099b11SRalf Baechle# 132617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 132717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 132817099b11SRalf Baechle# 13290004a9dfSRalf Baechleconfig WEAK_ORDERING 13300004a9dfSRalf Baechle bool 133117099b11SRalf Baechle 133217099b11SRalf Baechle# 133317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 133417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133517099b11SRalf Baechle# 133617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 133717099b11SRalf Baechle bool 13385e83d430SRalf Baechleendmenu 13395e83d430SRalf Baechle 13405e83d430SRalf Baechle# 13415e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13425e83d430SRalf Baechle# 13435e83d430SRalf Baechleconfig CPU_MIPS32 13445e83d430SRalf Baechle bool 13455e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13465e83d430SRalf Baechle 13475e83d430SRalf Baechleconfig CPU_MIPS64 13485e83d430SRalf Baechle bool 13495e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13505e83d430SRalf Baechle 13515e83d430SRalf Baechle# 1352c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13535e83d430SRalf Baechle# 13545e83d430SRalf Baechleconfig CPU_MIPSR1 13555e83d430SRalf Baechle bool 13565e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13575e83d430SRalf Baechle 13585e83d430SRalf Baechleconfig CPU_MIPSR2 13595e83d430SRalf Baechle bool 13605e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13615e83d430SRalf Baechle 13625e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13635e83d430SRalf Baechle bool 13645e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13655e83d430SRalf Baechle bool 13665e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13675e83d430SRalf Baechle bool 13685e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13695e83d430SRalf Baechle bool 13705e83d430SRalf Baechle 13715e83d430SRalf Baechlemenu "Kernel type" 13725e83d430SRalf Baechle 13735e83d430SRalf Baechlechoice 13745e83d430SRalf Baechle 13755e83d430SRalf Baechle prompt "Kernel code model" 13765e83d430SRalf Baechle help 13775e83d430SRalf Baechle You should only select this option if you have a workload that 13785e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13795e83d430SRalf Baechle large memory. You will only be presented a single option in this 13805e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13815e83d430SRalf Baechle 13825e83d430SRalf Baechleconfig 32BIT 13835e83d430SRalf Baechle bool "32-bit kernel" 13845e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13855e83d430SRalf Baechle select TRAD_SIGNALS 13865e83d430SRalf Baechle help 13875e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13885e83d430SRalf Baechleconfig 64BIT 13895e83d430SRalf Baechle bool "64-bit kernel" 13905e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13915e83d430SRalf Baechle help 13925e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13935e83d430SRalf Baechle 13945e83d430SRalf Baechleendchoice 13955e83d430SRalf Baechle 13961da177e4SLinus Torvaldschoice 13971da177e4SLinus Torvalds prompt "Kernel page size" 13981da177e4SLinus Torvalds default PAGE_SIZE_4KB 13991da177e4SLinus Torvalds 14001da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14011da177e4SLinus Torvalds bool "4kB" 14021da177e4SLinus Torvalds help 14031da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14041da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14051da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14061da177e4SLinus Torvalds recommended for low memory systems. 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14091da177e4SLinus Torvalds bool "8kB" 14101da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14111da177e4SLinus Torvalds help 14121da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14131da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14141da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14151da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14161da177e4SLinus Torvalds compatibility of user applications. 14171da177e4SLinus Torvalds 14181da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14191da177e4SLinus Torvalds bool "16kB" 1420714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14211da177e4SLinus Torvalds help 14221da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14231da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1424714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1425714bfad6SRalf Baechle Linux distribution to support this. 14261da177e4SLinus Torvalds 14271da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14281da177e4SLinus Torvalds bool "64kB" 14291da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14301da177e4SLinus Torvalds help 14311da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14321da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14331da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1434714bfad6SRalf Baechle writing this option is still high experimental. 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvaldsendchoice 14371da177e4SLinus Torvalds 14381da177e4SLinus Torvaldsconfig BOARD_SCACHE 14391da177e4SLinus Torvalds bool 14401da177e4SLinus Torvalds 14411da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14421da177e4SLinus Torvalds bool 14431da177e4SLinus Torvalds select BOARD_SCACHE 14441da177e4SLinus Torvalds 14459318c51aSChris Dearman# 14469318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14479318c51aSChris Dearman# 14489318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14499318c51aSChris Dearman bool 14509318c51aSChris Dearman select BOARD_SCACHE 14519318c51aSChris Dearman 14521da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14531da177e4SLinus Torvalds bool 14541da177e4SLinus Torvalds select BOARD_SCACHE 14551da177e4SLinus Torvalds 14561da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14571da177e4SLinus Torvalds bool 14581da177e4SLinus Torvalds select BOARD_SCACHE 14591da177e4SLinus Torvalds 14601da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14611da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14621da177e4SLinus Torvalds depends on CPU_SB1 14631da177e4SLinus Torvalds help 14641da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14651da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14661da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1469c8094b53SRalf Baechle bool 14701da177e4SLinus Torvalds 1471340ee4b9SRalf Baechlechoice 1472340ee4b9SRalf Baechle prompt "MIPS MT options" 1473f41ae0b2SRalf Baechle 1474f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1475f41ae0b2SRalf Baechle bool "Disable multithreading support." 1476f41ae0b2SRalf Baechle help 1477f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1478f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1479f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1480f41ae0b2SRalf Baechle option in this menu. 1481340ee4b9SRalf Baechle 148259d6ab86SRalf Baechleconfig MIPS_MT_SMP 148359d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 148459d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 148559d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1486d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 148759d6ab86SRalf Baechle select MIPS_MT 1488f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 148959d6ab86SRalf Baechle select SMP 14900ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 149159d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 149287353d8aSRalf Baechle select SMP_UP 149359d6ab86SRalf Baechle help 149459d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 149559d6ab86SRalf Baechle has been marketesed into SMVP. 149659d6ab86SRalf Baechle 149741c594abSRalf Baechleconfig MIPS_MT_SMTC 149841c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1499f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1500f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1501f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1502ea580401SRalf Baechle select GENERIC_CLOCKEVENTS_BROADCAST 1503f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1504d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1505f41ae0b2SRalf Baechle select MIPS_MT 1506130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 150741c594abSRalf Baechle select SMP 150873b76c78SRalf Baechle select SYS_SUPPORTS_SMP 150987353d8aSRalf Baechle select SMP_UP 1510f41ae0b2SRalf Baechle help 1511f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1512f41ae0b2SRalf Baechle marketesed into SMVP. 151341c594abSRalf Baechle 1514340ee4b9SRalf Baechleendchoice 1515340ee4b9SRalf Baechle 1516f41ae0b2SRalf Baechleconfig MIPS_MT 1517f41ae0b2SRalf Baechle bool 1518f41ae0b2SRalf Baechle 15190ab7aefcSRalf Baechleconfig SCHED_SMT 15200ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15210ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15220ab7aefcSRalf Baechle default n 15230ab7aefcSRalf Baechle help 15240ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15250ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15260ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15270ab7aefcSRalf Baechle 15280ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15290ab7aefcSRalf Baechle bool 15300ab7aefcSRalf Baechle 15310ab7aefcSRalf Baechle 1532f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1533f41ae0b2SRalf Baechle bool 1534f41ae0b2SRalf Baechle 1535f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1536f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1537f088fc84SRalf Baechle default y 153807cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 153907cc0c9eSRalf Baechle 154007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 154107cc0c9eSRalf Baechle bool "VPE loader support." 154207cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 154307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 154407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 154507cc0c9eSRalf Baechle select MIPS_MT 154607cc0c9eSRalf Baechle help 154707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 154807cc0c9eSRalf Baechle onto another VPE and running it. 1549f088fc84SRalf Baechle 1550ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1551ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1552619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1553ac8be955SRalf Baechle default y 1554ac8be955SRalf Baechle help 1555ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1556ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1557ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1558ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1559ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1560ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1561ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1562ac8be955SRalf Baechle heavy I/O interrupt load. 1563ac8be955SRalf Baechle 15640db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15650db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15660db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15670db34215SKevin D. Kissell default y 15680db34215SKevin D. Kissell help 15690db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15700db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15710db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15720db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15730db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15740db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 15750db34215SKevin D. Kissell what you are doing. 15760db34215SKevin D. Kissell 1577f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1578f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1579f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1580f571eff0SKevin D. Kissell default n 1581f571eff0SKevin D. Kissell help 1582f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1583f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1584f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1585f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1586f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1587f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1588f571eff0SKevin D. Kissell you are doing. 1589f571eff0SKevin D. Kissell 1590e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1591e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1592e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1593e01402b1SRalf Baechle default y 1594e01402b1SRalf Baechle help 1595e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1596e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1597e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1598e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1599e01402b1SRalf Baechle 1600e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1601e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1602e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1603e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16045e83d430SRalf Baechle help 1605e01402b1SRalf Baechle 16062600990eSRalf Baechleconfig MIPS_APSP_KSPD 16072600990eSRalf Baechle bool "Enable KSPD" 16082600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16092600990eSRalf Baechle default y 16102600990eSRalf Baechle help 16112600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16122600990eSRalf Baechle side, actions them and returns the results. It also handles the 16132600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16142600990eSRalf Baechle exiting. You probably want to say yes here. 16152600990eSRalf Baechle 16161da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16171da177e4SLinus Torvalds bool 16181da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16191da177e4SLinus Torvalds default y 16201da177e4SLinus Torvalds 16211da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16221da177e4SLinus Torvalds bool 16231da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16241da177e4SLinus Torvalds default y 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16271da177e4SLinus Torvalds bool 16281da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16291da177e4SLinus Torvalds default y 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1632d806cb2bSRalf Baechle bool 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1635f7062ddbSRalf Baechle bool 16361da177e4SLinus Torvalds 16379693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16389693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16399693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16409693a853SFranck Bui-Huu help 16419693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16429693a853SFranck Bui-Huu increased security at both hardware and software level for 16439693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16449693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16459693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16469693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16479693a853SFranck Bui-Huu here. 16489693a853SFranck Bui-Huu 16491da177e4SLinus Torvaldsconfig CPU_HAS_WB 1650f7062ddbSRalf Baechle bool 1651e01402b1SRalf Baechle 1652f41ae0b2SRalf Baechle# 1653f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1654f41ae0b2SRalf Baechle# 1655e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1656f41ae0b2SRalf Baechle bool 1657e01402b1SRalf Baechle 1658f41ae0b2SRalf Baechle# 1659f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1660f41ae0b2SRalf Baechle# 1661e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1662f41ae0b2SRalf Baechle bool 1663e01402b1SRalf Baechle 16641da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16651da177e4SLinus Torvalds bool 16661da177e4SLinus Torvalds depends on !CPU_R3000 16671da177e4SLinus Torvalds default y 16681da177e4SLinus Torvalds 1669ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1670ea580401SRalf Baechle bool 1671ea580401SRalf Baechle 16721da177e4SLinus Torvalds# 167320d60d99SMaciej W. Rozycki# CPU non-features 167420d60d99SMaciej W. Rozycki# 167520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 167620d60d99SMaciej W. Rozycki bool 167720d60d99SMaciej W. Rozycki 167820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 167920d60d99SMaciej W. Rozycki bool 168020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168120d60d99SMaciej W. Rozycki 168220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 168320d60d99SMaciej W. Rozycki bool 168420d60d99SMaciej W. Rozycki 168520d60d99SMaciej W. Rozycki# 1686797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1687797798c1SRalf Baechle# 1688797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1689797798c1SRalf Baechle bool 1690797798c1SRalf Baechle default y 1691797798c1SRalf Baechle 1692797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1693797798c1SRalf Baechle bool 1694797798c1SRalf Baechle default y 1695797798c1SRalf Baechle 16960d7012a9SIngo Molnarconfig IRQ_PER_CPU 16970d7012a9SIngo Molnar bool 16980d7012a9SIngo Molnar 1699797798c1SRalf Baechle# 17001da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17011da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17021da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17031da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17041da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17051da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17061da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17071da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1708797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1709797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1710797798c1SRalf Baechle# support. 17111da177e4SLinus Torvalds# 17121da177e4SLinus Torvaldsconfig HIGHMEM 17131da177e4SLinus Torvalds bool "High Memory Support" 1714797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1715797798c1SRalf Baechle 1716797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1717797798c1SRalf Baechle bool 1718797798c1SRalf Baechle 1719797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1720797798c1SRalf Baechle bool 17211da177e4SLinus Torvalds 17229693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17239693a853SFranck Bui-Huu bool 17249693a853SFranck Bui-Huu 1725b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1726b4819b59SYoichi Yuasa def_bool y 1727b4819b59SYoichi Yuasa depends on !NUMA 1728b4819b59SYoichi Yuasa 1729d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1730d8cb4e11SRalf Baechle bool 1731d8cb4e11SRalf Baechle default y if SGI_IP27 1732d8cb4e11SRalf Baechle help 17333dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1734d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1735d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1736d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1737d8cb4e11SRalf Baechle 1738cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1739cce335aeSRalf Baechle def_bool y 1740cce335aeSRalf Baechle 1741b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1742b1c6cd42SAtsushi Nemoto bool 17437de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 174431473747SAtsushi Nemoto 1745d8cb4e11SRalf Baechleconfig NUMA 1746d8cb4e11SRalf Baechle bool "NUMA Support" 1747d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1748d8cb4e11SRalf Baechle help 1749d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1750d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1751d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1752d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1753d8cb4e11SRalf Baechle disabled. 1754d8cb4e11SRalf Baechle 1755d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1756d8cb4e11SRalf Baechle bool 1757d8cb4e11SRalf Baechle 1758c80d79d7SYasunori Gotoconfig NODES_SHIFT 1759c80d79d7SYasunori Goto int 1760c80d79d7SYasunori Goto default "6" 1761c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1762c80d79d7SYasunori Goto 1763b4819b59SYoichi Yuasasource "mm/Kconfig" 1764b4819b59SYoichi Yuasa 17651da177e4SLinus Torvaldsconfig SMP 17661da177e4SLinus Torvalds bool "Multi-Processing support" 1767e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1768b4b30a5aSRalf Baechle select IRQ_PER_CPU 1769e73ea273SRalf Baechle help 17701da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17711da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17721da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17731da177e4SLinus Torvalds 17741da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17751da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17761da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17771da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17781da177e4SLinus Torvalds will run faster if you say N here. 17791da177e4SLinus Torvalds 17801da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17811da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 17841da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 17851da177e4SLinus Torvalds 17861da177e4SLinus Torvalds If you don't know what to do here, say N. 17871da177e4SLinus Torvalds 178887353d8aSRalf Baechleconfig SMP_UP 178987353d8aSRalf Baechle bool 179087353d8aSRalf Baechle 1791e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1792e73ea273SRalf Baechle bool 1793e73ea273SRalf Baechle 179472ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 179572ede9b1SAtsushi Nemoto bool 179672ede9b1SAtsushi Nemoto 1797130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1798130e2fb7SRalf Baechle bool 1799130e2fb7SRalf Baechle 1800130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1801130e2fb7SRalf Baechle bool 1802130e2fb7SRalf Baechle 1803130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1804130e2fb7SRalf Baechle bool 1805130e2fb7SRalf Baechle 1806130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1807130e2fb7SRalf Baechle bool 1808130e2fb7SRalf Baechle 1809130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1810130e2fb7SRalf Baechle bool 1811130e2fb7SRalf Baechle 1812130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1813130e2fb7SRalf Baechle bool 1814130e2fb7SRalf Baechle 18151da177e4SLinus Torvaldsconfig NR_CPUS 18161da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 181772ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18181da177e4SLinus Torvalds depends on SMP 181972ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1820130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1821130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1822130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1823130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1824130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1825130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18261da177e4SLinus Torvalds help 18271da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18281da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18291da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 183072ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 183172ede9b1SAtsushi Nemoto and 2 for all others. 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 183472ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 183572ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 183672ede9b1SAtsushi Nemoto power of two. 18371da177e4SLinus Torvalds 1838c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1839c4eee283SAtsushi Nemoto 18401723b4a3SAtsushi Nemoto# 18411723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18421723b4a3SAtsushi Nemoto# 18431723b4a3SAtsushi Nemoto 18441723b4a3SAtsushi Nemotochoice 18451723b4a3SAtsushi Nemoto prompt "Timer frequency" 18461723b4a3SAtsushi Nemoto default HZ_250 18471723b4a3SAtsushi Nemoto help 18481723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18491723b4a3SAtsushi Nemoto 18501723b4a3SAtsushi Nemoto config HZ_48 18511723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 18521723b4a3SAtsushi Nemoto 18531723b4a3SAtsushi Nemoto config HZ_100 18541723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18551723b4a3SAtsushi Nemoto 18561723b4a3SAtsushi Nemoto config HZ_128 18571723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18581723b4a3SAtsushi Nemoto 18591723b4a3SAtsushi Nemoto config HZ_250 18601723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18611723b4a3SAtsushi Nemoto 18621723b4a3SAtsushi Nemoto config HZ_256 18631723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18641723b4a3SAtsushi Nemoto 18651723b4a3SAtsushi Nemoto config HZ_1000 18661723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemoto config HZ_1024 18691723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18701723b4a3SAtsushi Nemoto 18711723b4a3SAtsushi Nemotoendchoice 18721723b4a3SAtsushi Nemoto 18731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18741723b4a3SAtsushi Nemoto bool 18751723b4a3SAtsushi Nemoto 18761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18771723b4a3SAtsushi Nemoto bool 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18801723b4a3SAtsushi Nemoto bool 18811723b4a3SAtsushi Nemoto 18821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18831723b4a3SAtsushi Nemoto bool 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18861723b4a3SAtsushi Nemoto bool 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18891723b4a3SAtsushi Nemoto bool 18901723b4a3SAtsushi Nemoto 18911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 18921723b4a3SAtsushi Nemoto bool 18931723b4a3SAtsushi Nemoto 18941723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 18951723b4a3SAtsushi Nemoto bool 18961723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 18971723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 18981723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 18991723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19001723b4a3SAtsushi Nemoto 19011723b4a3SAtsushi Nemotoconfig HZ 19021723b4a3SAtsushi Nemoto int 19031723b4a3SAtsushi Nemoto default 48 if HZ_48 19041723b4a3SAtsushi Nemoto default 100 if HZ_100 19051723b4a3SAtsushi Nemoto default 128 if HZ_128 19061723b4a3SAtsushi Nemoto default 250 if HZ_250 19071723b4a3SAtsushi Nemoto default 256 if HZ_256 19081723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19091723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19101723b4a3SAtsushi Nemoto 1911e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19121da177e4SLinus Torvalds 19131da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19141da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1915875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19161da177e4SLinus Torvalds help 19171da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19181da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19191da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19201da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19211da177e4SLinus Torvalds recommended for normal users. 19221da177e4SLinus Torvalds 1923ea6e942bSAtsushi Nemotoconfig KEXEC 1924ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1925ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1926ea6e942bSAtsushi Nemoto help 1927ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1928ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19293dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1930ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1931ea6e942bSAtsushi Nemoto 193201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1933ea6e942bSAtsushi Nemoto 1934ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1935ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1936ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1937ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1938ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1939ea6e942bSAtsushi Nemoto 1940ea6e942bSAtsushi Nemotoconfig SECCOMP 1941ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1942293c5bd1SRalf Baechle depends on PROC_FS 1943ea6e942bSAtsushi Nemoto default y 1944ea6e942bSAtsushi Nemoto help 1945ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1946ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1947ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1948ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1949ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1950ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1951ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1952ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1953ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1954ea6e942bSAtsushi Nemoto 1955ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1956ea6e942bSAtsushi Nemoto 19575e83d430SRalf Baechleendmenu 19585e83d430SRalf Baechle 19591da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 19601da177e4SLinus Torvalds bool 19611da177e4SLinus Torvalds default y 19621da177e4SLinus Torvalds 19631df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19641df0f0ffSAtsushi Nemoto bool 19651df0f0ffSAtsushi Nemoto default y 19661df0f0ffSAtsushi Nemoto 19671df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19681df0f0ffSAtsushi Nemoto bool 19691df0f0ffSAtsushi Nemoto default y 19701df0f0ffSAtsushi Nemoto 1971b6c3539bSRalf Baechlesource "init/Kconfig" 1972b6c3539bSRalf Baechle 19731da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19741da177e4SLinus Torvalds 19755e83d430SRalf Baechleconfig HW_HAS_EISA 19765e83d430SRalf Baechle bool 19771da177e4SLinus Torvaldsconfig HW_HAS_PCI 19781da177e4SLinus Torvalds bool 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvaldsconfig PCI 19811da177e4SLinus Torvalds bool "Support for PCI controller" 19821da177e4SLinus Torvalds depends on HW_HAS_PCI 1983abb4ae46SRalf Baechle select PCI_DOMAINS 19841da177e4SLinus Torvalds help 19851da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19861da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19871da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19881da177e4SLinus Torvalds say Y, otherwise N. 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvalds The PCI-HOWTO, available from 19911da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 19921da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 19931da177e4SLinus Torvalds doesn't. 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvaldsconfig PCI_DOMAINS 19961da177e4SLinus Torvalds bool 19971da177e4SLinus Torvalds 19981da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvalds# 20011da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20021da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20031da177e4SLinus Torvalds# users to choose the right thing ... 20041da177e4SLinus Torvalds# 20051da177e4SLinus Torvaldsconfig ISA 20061da177e4SLinus Torvalds bool 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvaldsconfig EISA 20091da177e4SLinus Torvalds bool "EISA support" 20105e83d430SRalf Baechle depends on HW_HAS_EISA 20111da177e4SLinus Torvalds select ISA 2012aa414dffSRalf Baechle select GENERIC_ISA_DMA 20131da177e4SLinus Torvalds ---help--- 20141da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20151da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20181da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20191da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20201da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20211da177e4SLinus Torvalds 20221da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvalds Otherwise, say N. 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvaldsconfig TC 20291da177e4SLinus Torvalds bool "TURBOchannel support" 20301da177e4SLinus Torvalds depends on MACH_DECSTATION 20311da177e4SLinus Torvalds help 20321da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20331da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20341da177e4SLinus Torvalds is available at: 20351da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds#config ACCESSBUS 20381da177e4SLinus Torvalds# bool "Access.Bus support" 20391da177e4SLinus Torvalds# depends on TC 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvaldsconfig MMU 20421da177e4SLinus Torvalds bool 20431da177e4SLinus Torvalds default y 20441da177e4SLinus Torvalds 2045d865bea4SRalf Baechleconfig I8253 2046d865bea4SRalf Baechle bool 2047d865bea4SRalf Baechle 2048cce335aeSRalf Baechleconfig ZONE_DMA32 2049cce335aeSRalf Baechle bool 2050cce335aeSRalf Baechle 20511da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20541da177e4SLinus Torvalds 20551da177e4SLinus Torvaldsendmenu 20561da177e4SLinus Torvalds 20571da177e4SLinus Torvaldsmenu "Executable file formats" 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20621da177e4SLinus Torvalds bool 20631da177e4SLinus Torvalds 20641da177e4SLinus Torvaldsconfig BINFMT_IRIX 20651da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 20665e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 20671da177e4SLinus Torvalds 20681da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20691da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2070875d43e7SRalf Baechle depends on 64BIT 20711da177e4SLinus Torvalds help 20721da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20731da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20741da177e4SLinus Torvalds currently 32-bit you should say Y here. 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvaldsconfig COMPAT 20771da177e4SLinus Torvalds bool 20781da177e4SLinus Torvalds depends on MIPS32_COMPAT 20791da177e4SLinus Torvalds default y 20801da177e4SLinus Torvalds 208105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 208205e43966SAtsushi Nemoto bool 208305e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 208405e43966SAtsushi Nemoto default y 208505e43966SAtsushi Nemoto 20861da177e4SLinus Torvaldsconfig MIPS32_O32 20871da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20881da177e4SLinus Torvalds depends on MIPS32_COMPAT 20891da177e4SLinus Torvalds help 20901da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20911da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20921da177e4SLinus Torvalds existing binaries are in this format. 20931da177e4SLinus Torvalds 20941da177e4SLinus Torvalds If unsure, say Y. 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldsconfig MIPS32_N32 20971da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 20981da177e4SLinus Torvalds depends on MIPS32_COMPAT 20991da177e4SLinus Torvalds help 21001da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21011da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21021da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21031da177e4SLinus Torvalds cases. 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvalds If unsure, say N. 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvaldsconfig BINFMT_ELF32 21081da177e4SLinus Torvalds bool 21091da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21101da177e4SLinus Torvalds 21112116245eSRalf Baechleendmenu 21121da177e4SLinus Torvalds 21132116245eSRalf Baechlemenu "Power management options" 2114952fa954SRodolfo Giometti 21152116245eSRalf Baechlesource "kernel/power/Kconfig" 2116952fa954SRodolfo Giometti 21171da177e4SLinus Torvaldsendmenu 21181da177e4SLinus Torvalds 2119d5950b43SSam Ravnborgsource "net/Kconfig" 2120d5950b43SSam Ravnborg 21211da177e4SLinus Torvaldssource "drivers/Kconfig" 21221da177e4SLinus Torvalds 21231da177e4SLinus Torvaldssource "fs/Kconfig" 21241da177e4SLinus Torvalds 212509cadedbSMathieu Desnoyerssource "kernel/Kconfig.instrumentation" 21265e83d430SRalf Baechle 21271da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21281da177e4SLinus Torvalds 21291da177e4SLinus Torvaldssource "security/Kconfig" 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvaldssource "crypto/Kconfig" 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvaldssource "lib/Kconfig" 2134